src/files.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  https://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // files.c
  10 // ============================================================================
  11
  12 #include <ctype.h>
  13 #include <sys/stat.h>
  14 #include <dirent.h>
  15 #include <math.h>
  16
  17 #include "libgame/libgame.h"
  18
  19 #include "files.h"
  20 #include "init.h"
  21 #include "screens.h"
  22 #include "tools.h"
  23 #include "tape.h"
  24 #include "config.h"
  25
  26 #define ENABLE_UNUSED_CODE      0       // currently unused functions
  27 #define ENABLE_HISTORIC_CHUNKS  0       // only for historic reference
  28 #define ENABLE_RESERVED_CODE    0       // reserved for later use
  29
  30 #define CHUNK_ID_LEN            4       // IFF style chunk id length
  31 #define CHUNK_SIZE_UNDEFINED    0       // undefined chunk size == 0
  32 #define CHUNK_SIZE_NONE         -1      // do not write chunk size
  33
  34 #define LEVEL_CHUNK_NAME_SIZE   MAX_LEVEL_NAME_LEN
  35 #define LEVEL_CHUNK_AUTH_SIZE   MAX_LEVEL_AUTHOR_LEN
  36
  37 #define LEVEL_CHUNK_VERS_SIZE   8       // size of file version chunk
  38 #define LEVEL_CHUNK_DATE_SIZE   4       // size of file date chunk
  39 #define LEVEL_CHUNK_HEAD_SIZE   80      // size of level file header
  40 #define LEVEL_CHUNK_HEAD_UNUSED 0       // unused level header bytes
  41 #define LEVEL_CHUNK_CNT2_SIZE   160     // size of level CNT2 chunk
  42 #define LEVEL_CHUNK_CNT2_UNUSED 11      // unused CNT2 chunk bytes
  43 #define LEVEL_CHUNK_CNT3_HEADER 16      // size of level CNT3 header
  44 #define LEVEL_CHUNK_CNT3_UNUSED 10      // unused CNT3 chunk bytes
  45 #define LEVEL_CPART_CUS3_SIZE   134     // size of CUS3 chunk part
  46 #define LEVEL_CPART_CUS3_UNUSED 15      // unused CUS3 bytes / part
  47 #define LEVEL_CHUNK_GRP1_SIZE   74      // size of level GRP1 chunk
  48
  49 // (element number, number of change pages, change page number)
  50 #define LEVEL_CHUNK_CUSX_UNCHANGED      (2 + (1 + 1) + (1 + 1))
  51
  52 // (element number only)
  53 #define LEVEL_CHUNK_GRPX_UNCHANGED      2
  54 #define LEVEL_CHUNK_NOTE_UNCHANGED      2
  55
  56 // (nothing at all if unchanged)
  57 #define LEVEL_CHUNK_ELEM_UNCHANGED      0
  58
  59 #define TAPE_CHUNK_VERS_SIZE    8       // size of file version chunk
  60 #define TAPE_CHUNK_HEAD_SIZE    20      // size of tape file header
  61 #define TAPE_CHUNK_HEAD_UNUSED  1       // unused tape header bytes
  62 #define TAPE_CHUNK_SCRN_SIZE    2       // size of screen size chunk
  63
  64 #define SCORE_CHUNK_VERS_SIZE   8       // size of file version chunk
  65
  66 #define LEVEL_CHUNK_CNT3_SIZE(x)         (LEVEL_CHUNK_CNT3_HEADER + (x))
  67 #define LEVEL_CHUNK_CUS3_SIZE(x)         (2 + (x) * LEVEL_CPART_CUS3_SIZE)
  68 #define LEVEL_CHUNK_CUS4_SIZE(x)         (96 + (x) * 48)
  69
  70 // file identifier strings
  71 #define LEVEL_COOKIE_TMPL               "ROCKSNDIAMONDS_LEVEL_FILE_VERSION_x.x"
  72 #define TAPE_COOKIE_TMPL                "ROCKSNDIAMONDS_TAPE_FILE_VERSION_x.x"
  73 #define SCORE_COOKIE_TMPL               "ROCKSNDIAMONDS_SCORE_FILE_VERSION_x.x"
  74
  75 // values for deciding when (not) to save configuration data
  76 #define SAVE_CONF_NEVER                 0
  77 #define SAVE_CONF_ALWAYS                1
  78 #define SAVE_CONF_WHEN_CHANGED          -1
  79
  80 // values for chunks using micro chunks
  81 #define CONF_MASK_1_BYTE                0x00
  82 #define CONF_MASK_2_BYTE                0x40
  83 #define CONF_MASK_4_BYTE                0x80
  84 #define CONF_MASK_MULTI_BYTES           0xc0
  85
  86 #define CONF_MASK_BYTES                 0xc0
  87 #define CONF_MASK_TOKEN                 0x3f
  88
  89 #define CONF_VALUE_1_BYTE(x)            (CONF_MASK_1_BYTE       | (x))
  90 #define CONF_VALUE_2_BYTE(x)            (CONF_MASK_2_BYTE       | (x))
  91 #define CONF_VALUE_4_BYTE(x)            (CONF_MASK_4_BYTE       | (x))
  92 #define CONF_VALUE_MULTI_BYTES(x)       (CONF_MASK_MULTI_BYTES  | (x))
  93
  94 // these definitions are just for convenience of use and readability
  95 #define CONF_VALUE_8_BIT(x)             CONF_VALUE_1_BYTE(x)
  96 #define CONF_VALUE_16_BIT(x)            CONF_VALUE_2_BYTE(x)
  97 #define CONF_VALUE_32_BIT(x)            CONF_VALUE_4_BYTE(x)
  98 #define CONF_VALUE_BYTES(x)             CONF_VALUE_MULTI_BYTES(x)
  99
 100 #define CONF_VALUE_NUM_BYTES(x)         ((x) == CONF_MASK_1_BYTE ? 1 :  \
 101                                          (x) == CONF_MASK_2_BYTE ? 2 :  \
 102                                          (x) == CONF_MASK_4_BYTE ? 4 : 0)
 103
 104 #define CONF_CONTENT_NUM_ELEMENTS       (3 * 3)
 105 #define CONF_CONTENT_NUM_BYTES          (CONF_CONTENT_NUM_ELEMENTS * 2)
 106 #define CONF_ELEMENT_NUM_BYTES          (2)
 107
 108 #define CONF_ENTITY_NUM_BYTES(t)        ((t) == TYPE_ELEMENT ||         \
 109                                          (t) == TYPE_ELEMENT_LIST ?     \
 110                                          CONF_ELEMENT_NUM_BYTES :       \
 111                                          (t) == TYPE_CONTENT ||         \
 112                                          (t) == TYPE_CONTENT_LIST ?     \
 113                                          CONF_CONTENT_NUM_BYTES : 1)
 114
 115 #define CONF_ELEMENT_BYTE_POS(i)        ((i) * CONF_ELEMENT_NUM_BYTES)
 116 #define CONF_ELEMENTS_ELEMENT(b,i)     ((b[CONF_ELEMENT_BYTE_POS(i)] << 8) |  \
 117                                         (b[CONF_ELEMENT_BYTE_POS(i) + 1]))
 118
 119 #define CONF_CONTENT_ELEMENT_POS(c,x,y) ((c) * CONF_CONTENT_NUM_ELEMENTS +    \
 120                                          (y) * 3 + (x))
 121 #define CONF_CONTENT_BYTE_POS(c,x,y)    (CONF_CONTENT_ELEMENT_POS(c,x,y) *    \
 122                                          CONF_ELEMENT_NUM_BYTES)
 123 #define CONF_CONTENTS_ELEMENT(b,c,x,y) ((b[CONF_CONTENT_BYTE_POS(c,x,y)]<< 8)|\
 124                                         (b[CONF_CONTENT_BYTE_POS(c,x,y) + 1]))
 125
 126 // temporary variables used to store pointers to structure members
 127 static struct LevelInfo li;
 128 static struct ElementInfo xx_ei, yy_ei;
 129 static struct ElementChangeInfo xx_change;
 130 static struct ElementGroupInfo xx_group;
 131 static struct EnvelopeInfo xx_envelope;
 132 static unsigned int xx_event_bits[NUM_CE_BITFIELDS];
 133 static char xx_default_description[MAX_ELEMENT_NAME_LEN + 1];
 134 static int xx_num_contents;
 135 static int xx_current_change_page;
 136 static char xx_default_string_empty[1] = "";
 137 static int xx_string_length_unused;
 138
 139 struct LevelFileConfigInfo
 140 {
 141   int element;                  // element for which data is to be stored
 142   int save_type;                // save data always, never or when changed
 143   int data_type;                // data type (used internally, not stored)
 144   int conf_type;                // micro chunk identifier (stored in file)
 145
 146   // (mandatory)
 147   void *value;                  // variable that holds the data to be stored
 148   int default_value;            // initial default value for this variable
 149
 150   // (optional)
 151   void *value_copy;             // variable that holds the data to be copied
 152   void *num_entities;           // number of entities for multi-byte data
 153   int default_num_entities;     // default number of entities for this data
 154   int max_num_entities;         // maximal number of entities for this data
 155   char *default_string;         // optional default string for string data
 156 };
 157
 158 static struct LevelFileConfigInfo chunk_config_INFO[] =
 159 {
 160   // ---------- values not related to single elements -------------------------
 161
 162   {
 163     -1,                                 SAVE_CONF_ALWAYS,
 164     TYPE_INTEGER,                       CONF_VALUE_8_BIT(1),
 165     &li.game_engine_type,               GAME_ENGINE_TYPE_RND
 166   },
 167
 168   {
 169     -1,                                 SAVE_CONF_ALWAYS,
 170     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 171     &li.fieldx,                         STD_LEV_FIELDX
 172   },
 173   {
 174     -1,                                 SAVE_CONF_ALWAYS,
 175     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 176     &li.fieldy,                         STD_LEV_FIELDY
 177   },
 178
 179   {
 180     -1,                                 SAVE_CONF_ALWAYS,
 181     TYPE_INTEGER,                       CONF_VALUE_16_BIT(3),
 182     &li.time,                           100
 183   },
 184
 185   {
 186     -1,                                 SAVE_CONF_ALWAYS,
 187     TYPE_INTEGER,                       CONF_VALUE_16_BIT(4),
 188     &li.gems_needed,                    0
 189   },
 190
 191   {
 192     -1,                                 -1,
 193     TYPE_INTEGER,                       CONF_VALUE_32_BIT(2),
 194     &li.random_seed,                    0
 195   },
 196
 197   {
 198     -1,                                 -1,
 199     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(2),
 200     &li.use_step_counter,               FALSE
 201   },
 202
 203   {
 204     -1,                                 -1,
 205     TYPE_BITFIELD,                      CONF_VALUE_8_BIT(4),
 206     &li.wind_direction_initial,         MV_NONE
 207   },
 208
 209   {
 210     -1,                                 -1,
 211     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(5),
 212     &li.em_slippery_gems,               FALSE
 213   },
 214
 215   {
 216     -1,                                 -1,
 217     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(6),
 218     &li.use_custom_template,            FALSE
 219   },
 220
 221   {
 222     -1,                                 -1,
 223     TYPE_BITFIELD,                      CONF_VALUE_32_BIT(1),
 224     &li.can_move_into_acid_bits,        ~0      // default: everything can
 225   },
 226
 227   {
 228     -1,                                 -1,
 229     TYPE_BITFIELD,                      CONF_VALUE_8_BIT(7),
 230     &li.dont_collide_with_bits,         ~0      // default: always deadly
 231   },
 232
 233   {
 234     -1,                                 -1,
 235     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(8),
 236     &li.em_explodes_by_fire,            FALSE
 237   },
 238
 239   {
 240     -1,                                 -1,
 241     TYPE_INTEGER,                       CONF_VALUE_16_BIT(5),
 242     &li.score[SC_TIME_BONUS],           1
 243   },
 244
 245   {
 246     -1,                                 -1,
 247     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(9),
 248     &li.auto_exit_sokoban,              FALSE
 249   },
 250
 251   {
 252     -1,                                 -1,
 253     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(10),
 254     &li.auto_count_gems,                FALSE
 255   },
 256
 257   {
 258     -1,                                 -1,
 259     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(11),
 260     &li.solved_by_one_player,           FALSE
 261   },
 262
 263   {
 264     -1,                                 -1,
 265     TYPE_INTEGER,                       CONF_VALUE_8_BIT(12),
 266     &li.time_score_base,                1
 267   },
 268
 269   {
 270     -1,                                 -1,
 271     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(13),
 272     &li.rate_time_over_score,           FALSE
 273   },
 274
 275   {
 276     -1,                                 -1,
 277     -1,                                 -1,
 278     NULL,                               -1
 279   }
 280 };
 281
 282 static struct LevelFileConfigInfo chunk_config_ELEM[] =
 283 {
 284   // (these values are the same for each player)
 285   {
 286     EL_PLAYER_1,                        -1,
 287     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 288     &li.block_last_field,               FALSE   // default case for EM levels
 289   },
 290   {
 291     EL_PLAYER_1,                        -1,
 292     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(2),
 293     &li.sp_block_last_field,            TRUE    // default case for SP levels
 294   },
 295   {
 296     EL_PLAYER_1,                        -1,
 297     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(3),
 298     &li.instant_relocation,             FALSE
 299   },
 300   {
 301     EL_PLAYER_1,                        -1,
 302     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(4),
 303     &li.can_pass_to_walkable,           FALSE
 304   },
 305   {
 306     EL_PLAYER_1,                        -1,
 307     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(5),
 308     &li.block_snap_field,               TRUE
 309   },
 310   {
 311     EL_PLAYER_1,                        -1,
 312     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(6),
 313     &li.continuous_snapping,            TRUE
 314   },
 315   {
 316     EL_PLAYER_1,                        -1,
 317     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(12),
 318     &li.shifted_relocation,             FALSE
 319   },
 320   {
 321     EL_PLAYER_1,                        -1,
 322     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(15),
 323     &li.lazy_relocation,                FALSE
 324   },
 325   {
 326     EL_PLAYER_1,                        -1,
 327     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(16),
 328     &li.finish_dig_collect,             TRUE
 329   },
 330   {
 331     EL_PLAYER_1,                        -1,
 332     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(17),
 333     &li.keep_walkable_ce,               FALSE
 334   },
 335
 336   // (these values are different for each player)
 337   {
 338     EL_PLAYER_1,                        -1,
 339     TYPE_INTEGER,                       CONF_VALUE_8_BIT(7),
 340     &li.initial_player_stepsize[0],     STEPSIZE_NORMAL
 341   },
 342   {
 343     EL_PLAYER_1,                        -1,
 344     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(8),
 345     &li.initial_player_gravity[0],      FALSE
 346   },
 347   {
 348     EL_PLAYER_1,                        -1,
 349     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(9),
 350     &li.use_start_element[0],           FALSE
 351   },
 352   {
 353     EL_PLAYER_1,                        -1,
 354     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
 355     &li.start_element[0],               EL_PLAYER_1
 356   },
 357   {
 358     EL_PLAYER_1,                        -1,
 359     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(10),
 360     &li.use_artwork_element[0],         FALSE
 361   },
 362   {
 363     EL_PLAYER_1,                        -1,
 364     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(2),
 365     &li.artwork_element[0],             EL_PLAYER_1
 366   },
 367   {
 368     EL_PLAYER_1,                        -1,
 369     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(11),
 370     &li.use_explosion_element[0],       FALSE
 371   },
 372   {
 373     EL_PLAYER_1,                        -1,
 374     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(3),
 375     &li.explosion_element[0],           EL_PLAYER_1
 376   },
 377   {
 378     EL_PLAYER_1,                        -1,
 379     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(13),
 380     &li.use_initial_inventory[0],       FALSE
 381   },
 382   {
 383     EL_PLAYER_1,                        -1,
 384     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(14),
 385     &li.initial_inventory_size[0],      1
 386   },
 387   {
 388     EL_PLAYER_1,                        -1,
 389     TYPE_ELEMENT_LIST,                  CONF_VALUE_BYTES(1),
 390     &li.initial_inventory_content[0][0],EL_EMPTY, NULL,
 391     &li.initial_inventory_size[0],      1, MAX_INITIAL_INVENTORY_SIZE
 392   },
 393
 394   {
 395     EL_PLAYER_2,                        -1,
 396     TYPE_INTEGER,                       CONF_VALUE_8_BIT(7),
 397     &li.initial_player_stepsize[1],     STEPSIZE_NORMAL
 398   },
 399   {
 400     EL_PLAYER_2,                        -1,
 401     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(8),
 402     &li.initial_player_gravity[1],      FALSE
 403   },
 404   {
 405     EL_PLAYER_2,                        -1,
 406     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(9),
 407     &li.use_start_element[1],           FALSE
 408   },
 409   {
 410     EL_PLAYER_2,                        -1,
 411     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
 412     &li.start_element[1],               EL_PLAYER_2
 413   },
 414   {
 415     EL_PLAYER_2,                        -1,
 416     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(10),
 417     &li.use_artwork_element[1],         FALSE
 418   },
 419   {
 420     EL_PLAYER_2,                        -1,
 421     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(2),
 422     &li.artwork_element[1],             EL_PLAYER_2
 423   },
 424   {
 425     EL_PLAYER_2,                        -1,
 426     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(11),
 427     &li.use_explosion_element[1],       FALSE
 428   },
 429   {
 430     EL_PLAYER_2,                        -1,
 431     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(3),
 432     &li.explosion_element[1],           EL_PLAYER_2
 433   },
 434   {
 435     EL_PLAYER_2,                        -1,
 436     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(13),
 437     &li.use_initial_inventory[1],       FALSE
 438   },
 439   {
 440     EL_PLAYER_2,                        -1,
 441     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(14),
 442     &li.initial_inventory_size[1],      1
 443   },
 444   {
 445     EL_PLAYER_2,                        -1,
 446     TYPE_ELEMENT_LIST,                  CONF_VALUE_BYTES(1),
 447     &li.initial_inventory_content[1][0],EL_EMPTY, NULL,
 448     &li.initial_inventory_size[1],      1, MAX_INITIAL_INVENTORY_SIZE
 449   },
 450
 451   {
 452     EL_PLAYER_3,                        -1,
 453     TYPE_INTEGER,                       CONF_VALUE_8_BIT(7),
 454     &li.initial_player_stepsize[2],     STEPSIZE_NORMAL
 455   },
 456   {
 457     EL_PLAYER_3,                        -1,
 458     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(8),
 459     &li.initial_player_gravity[2],      FALSE
 460   },
 461   {
 462     EL_PLAYER_3,                        -1,
 463     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(9),
 464     &li.use_start_element[2],           FALSE
 465   },
 466   {
 467     EL_PLAYER_3,                        -1,
 468     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
 469     &li.start_element[2],               EL_PLAYER_3
 470   },
 471   {
 472     EL_PLAYER_3,                        -1,
 473     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(10),
 474     &li.use_artwork_element[2],         FALSE
 475   },
 476   {
 477     EL_PLAYER_3,                        -1,
 478     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(2),
 479     &li.artwork_element[2],             EL_PLAYER_3
 480   },
 481   {
 482     EL_PLAYER_3,                        -1,
 483     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(11),
 484     &li.use_explosion_element[2],       FALSE
 485   },
 486   {
 487     EL_PLAYER_3,                        -1,
 488     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(3),
 489     &li.explosion_element[2],           EL_PLAYER_3
 490   },
 491   {
 492     EL_PLAYER_3,                        -1,
 493     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(13),
 494     &li.use_initial_inventory[2],       FALSE
 495   },
 496   {
 497     EL_PLAYER_3,                        -1,
 498     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(14),
 499     &li.initial_inventory_size[2],      1
 500   },
 501   {
 502     EL_PLAYER_3,                        -1,
 503     TYPE_ELEMENT_LIST,                  CONF_VALUE_BYTES(1),
 504     &li.initial_inventory_content[2][0],EL_EMPTY, NULL,
 505     &li.initial_inventory_size[2],      1, MAX_INITIAL_INVENTORY_SIZE
 506   },
 507
 508   {
 509     EL_PLAYER_4,                        -1,
 510     TYPE_INTEGER,                       CONF_VALUE_8_BIT(7),
 511     &li.initial_player_stepsize[3],     STEPSIZE_NORMAL
 512   },
 513   {
 514     EL_PLAYER_4,                        -1,
 515     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(8),
 516     &li.initial_player_gravity[3],      FALSE
 517   },
 518   {
 519     EL_PLAYER_4,                        -1,
 520     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(9),
 521     &li.use_start_element[3],           FALSE
 522   },
 523   {
 524     EL_PLAYER_4,                        -1,
 525     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
 526     &li.start_element[3],               EL_PLAYER_4
 527   },
 528   {
 529     EL_PLAYER_4,                        -1,
 530     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(10),
 531     &li.use_artwork_element[3],         FALSE
 532   },
 533   {
 534     EL_PLAYER_4,                        -1,
 535     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(2),
 536     &li.artwork_element[3],             EL_PLAYER_4
 537   },
 538   {
 539     EL_PLAYER_4,                        -1,
 540     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(11),
 541     &li.use_explosion_element[3],       FALSE
 542   },
 543   {
 544     EL_PLAYER_4,                        -1,
 545     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(3),
 546     &li.explosion_element[3],           EL_PLAYER_4
 547   },
 548   {
 549     EL_PLAYER_4,                        -1,
 550     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(13),
 551     &li.use_initial_inventory[3],       FALSE
 552   },
 553   {
 554     EL_PLAYER_4,                        -1,
 555     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(14),
 556     &li.initial_inventory_size[3],      1
 557   },
 558   {
 559     EL_PLAYER_4,                        -1,
 560     TYPE_ELEMENT_LIST,                  CONF_VALUE_BYTES(1),
 561     &li.initial_inventory_content[3][0],EL_EMPTY, NULL,
 562     &li.initial_inventory_size[3],      1, MAX_INITIAL_INVENTORY_SIZE
 563   },
 564
 565   {
 566     EL_EMERALD,                         -1,
 567     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 568     &li.score[SC_EMERALD],              10
 569   },
 570
 571   {
 572     EL_DIAMOND,                         -1,
 573     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 574     &li.score[SC_DIAMOND],              10
 575   },
 576
 577   {
 578     EL_BUG,                             -1,
 579     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 580     &li.score[SC_BUG],                  10
 581   },
 582
 583   {
 584     EL_SPACESHIP,                       -1,
 585     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 586     &li.score[SC_SPACESHIP],            10
 587   },
 588
 589   {
 590     EL_PACMAN,                          -1,
 591     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 592     &li.score[SC_PACMAN],               10
 593   },
 594
 595   {
 596     EL_NUT,                             -1,
 597     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 598     &li.score[SC_NUT],                  10
 599   },
 600
 601   {
 602     EL_DYNAMITE,                        -1,
 603     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 604     &li.score[SC_DYNAMITE],             10
 605   },
 606
 607   {
 608     EL_KEY_1,                           -1,
 609     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 610     &li.score[SC_KEY],                  10
 611   },
 612
 613   {
 614     EL_PEARL,                           -1,
 615     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 616     &li.score[SC_PEARL],                10
 617   },
 618
 619   {
 620     EL_CRYSTAL,                         -1,
 621     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 622     &li.score[SC_CRYSTAL],              10
 623   },
 624
 625   {
 626     EL_BD_AMOEBA,                       -1,
 627     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
 628     &li.amoeba_content,                 EL_DIAMOND
 629   },
 630   {
 631     EL_BD_AMOEBA,                       -1,
 632     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 633     &li.amoeba_speed,                   10
 634   },
 635   {
 636     EL_BD_AMOEBA,                       -1,
 637     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 638     &li.grow_into_diggable,             TRUE
 639   },
 640
 641   {
 642     EL_YAMYAM,                          -1,
 643     TYPE_CONTENT_LIST,                  CONF_VALUE_BYTES(1),
 644     &li.yamyam_content,                 EL_ROCK, NULL,
 645     &li.num_yamyam_contents,            4, MAX_ELEMENT_CONTENTS
 646   },
 647   {
 648     EL_YAMYAM,                          -1,
 649     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 650     &li.score[SC_YAMYAM],               10
 651   },
 652
 653   {
 654     EL_ROBOT,                           -1,
 655     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 656     &li.score[SC_ROBOT],                10
 657   },
 658   {
 659     EL_ROBOT,                           -1,
 660     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 661     &li.slurp_score,                    10
 662   },
 663
 664   {
 665     EL_ROBOT_WHEEL,                     -1,
 666     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 667     &li.time_wheel,                     10
 668   },
 669
 670   {
 671     EL_MAGIC_WALL,                      -1,
 672     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 673     &li.time_magic_wall,                10
 674   },
 675
 676   {
 677     EL_GAME_OF_LIFE,                    -1,
 678     TYPE_INTEGER,                       CONF_VALUE_8_BIT(1),
 679     &li.game_of_life[0],                2
 680   },
 681   {
 682     EL_GAME_OF_LIFE,                    -1,
 683     TYPE_INTEGER,                       CONF_VALUE_8_BIT(2),
 684     &li.game_of_life[1],                3
 685   },
 686   {
 687     EL_GAME_OF_LIFE,                    -1,
 688     TYPE_INTEGER,                       CONF_VALUE_8_BIT(3),
 689     &li.game_of_life[2],                3
 690   },
 691   {
 692     EL_GAME_OF_LIFE,                    -1,
 693     TYPE_INTEGER,                       CONF_VALUE_8_BIT(4),
 694     &li.game_of_life[3],                3
 695   },
 696   {
 697     EL_GAME_OF_LIFE,                    -1,
 698     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(5),
 699     &li.use_life_bugs,                  FALSE
 700   },
 701
 702   {
 703     EL_BIOMAZE,                         -1,
 704     TYPE_INTEGER,                       CONF_VALUE_8_BIT(1),
 705     &li.biomaze[0],                     2
 706   },
 707   {
 708     EL_BIOMAZE,                         -1,
 709     TYPE_INTEGER,                       CONF_VALUE_8_BIT(2),
 710     &li.biomaze[1],                     3
 711   },
 712   {
 713     EL_BIOMAZE,                         -1,
 714     TYPE_INTEGER,                       CONF_VALUE_8_BIT(3),
 715     &li.biomaze[2],                     3
 716   },
 717   {
 718     EL_BIOMAZE,                         -1,
 719     TYPE_INTEGER,                       CONF_VALUE_8_BIT(4),
 720     &li.biomaze[3],                     3
 721   },
 722
 723   {
 724     EL_TIMEGATE_SWITCH,                 -1,
 725     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 726     &li.time_timegate,                  10
 727   },
 728
 729   {
 730     EL_LIGHT_SWITCH_ACTIVE,             -1,
 731     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 732     &li.time_light,                     10
 733   },
 734
 735   {
 736     EL_SHIELD_NORMAL,                   -1,
 737     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 738     &li.shield_normal_time,             10
 739   },
 740   {
 741     EL_SHIELD_NORMAL,                   -1,
 742     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 743     &li.score[SC_SHIELD],               10
 744   },
 745
 746   {
 747     EL_SHIELD_DEADLY,                   -1,
 748     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 749     &li.shield_deadly_time,             10
 750   },
 751   {
 752     EL_SHIELD_DEADLY,                   -1,
 753     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 754     &li.score[SC_SHIELD],               10
 755   },
 756
 757   {
 758     EL_EXTRA_TIME,                      -1,
 759     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 760     &li.extra_time,                     10
 761   },
 762   {
 763     EL_EXTRA_TIME,                      -1,
 764     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 765     &li.extra_time_score,               10
 766   },
 767
 768   {
 769     EL_TIME_ORB_FULL,                   -1,
 770     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 771     &li.time_orb_time,                  10
 772   },
 773   {
 774     EL_TIME_ORB_FULL,                   -1,
 775     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 776     &li.use_time_orb_bug,               FALSE
 777   },
 778
 779   {
 780     EL_SPRING,                          -1,
 781     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 782     &li.use_spring_bug,                 FALSE
 783   },
 784
 785   {
 786     EL_EMC_ANDROID,                     -1,
 787     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 788     &li.android_move_time,              10
 789   },
 790   {
 791     EL_EMC_ANDROID,                     -1,
 792     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 793     &li.android_clone_time,             10
 794   },
 795   {
 796     EL_EMC_ANDROID,                     SAVE_CONF_NEVER,
 797     TYPE_ELEMENT_LIST,                  CONF_VALUE_BYTES(1),
 798     &li.android_clone_element[0],       EL_EMPTY, NULL,
 799     &li.num_android_clone_elements,     1, MAX_ANDROID_ELEMENTS_OLD
 800   },
 801   {
 802     EL_EMC_ANDROID,                     -1,
 803     TYPE_ELEMENT_LIST,                  CONF_VALUE_BYTES(2),
 804     &li.android_clone_element[0],       EL_EMPTY, NULL,
 805     &li.num_android_clone_elements,     1, MAX_ANDROID_ELEMENTS
 806   },
 807
 808   {
 809     EL_EMC_LENSES,                      -1,
 810     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 811     &li.lenses_score,                   10
 812   },
 813   {
 814     EL_EMC_LENSES,                      -1,
 815     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 816     &li.lenses_time,                    10
 817   },
 818
 819   {
 820     EL_EMC_MAGNIFIER,                   -1,
 821     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 822     &li.magnify_score,                  10
 823   },
 824   {
 825     EL_EMC_MAGNIFIER,                   -1,
 826     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 827     &li.magnify_time,                   10
 828   },
 829
 830   {
 831     EL_EMC_MAGIC_BALL,                  -1,
 832     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 833     &li.ball_time,                      10
 834   },
 835   {
 836     EL_EMC_MAGIC_BALL,                  -1,
 837     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 838     &li.ball_random,                    FALSE
 839   },
 840   {
 841     EL_EMC_MAGIC_BALL,                  -1,
 842     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(2),
 843     &li.ball_active_initial,            FALSE
 844   },
 845   {
 846     EL_EMC_MAGIC_BALL,                  -1,
 847     TYPE_CONTENT_LIST,                  CONF_VALUE_BYTES(1),
 848     &li.ball_content,                   EL_EMPTY, NULL,
 849     &li.num_ball_contents,              4, MAX_ELEMENT_CONTENTS
 850   },
 851
 852   {
 853     EL_SOKOBAN_FIELD_EMPTY,             -1,
 854     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 855     &li.sb_fields_needed,               TRUE
 856   },
 857
 858   {
 859     EL_SOKOBAN_OBJECT,                  -1,
 860     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 861     &li.sb_objects_needed,              TRUE
 862   },
 863
 864   {
 865     EL_MM_MCDUFFIN,                     -1,
 866     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 867     &li.mm_laser_red,                   FALSE
 868   },
 869   {
 870     EL_MM_MCDUFFIN,                     -1,
 871     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(2),
 872     &li.mm_laser_green,                 FALSE
 873   },
 874   {
 875     EL_MM_MCDUFFIN,                     -1,
 876     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(3),
 877     &li.mm_laser_blue,                  TRUE
 878   },
 879
 880   {
 881     EL_DF_LASER,                        -1,
 882     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 883     &li.df_laser_red,                   TRUE
 884   },
 885   {
 886     EL_DF_LASER,                        -1,
 887     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(2),
 888     &li.df_laser_green,                 TRUE
 889   },
 890   {
 891     EL_DF_LASER,                        -1,
 892     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(3),
 893     &li.df_laser_blue,                  FALSE
 894   },
 895
 896   {
 897     EL_MM_FUSE_ACTIVE,                  -1,
 898     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 899     &li.mm_time_fuse,                   25
 900   },
 901   {
 902     EL_MM_BOMB,                         -1,
 903     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 904     &li.mm_time_bomb,                   75
 905   },
 906   {
 907     EL_MM_GRAY_BALL,                    -1,
 908     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 909     &li.mm_time_ball,                   75
 910   },
 911   {
 912     EL_MM_STEEL_BLOCK,                  -1,
 913     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 914     &li.mm_time_block,                  75
 915   },
 916   {
 917     EL_MM_LIGHTBALL,                    -1,
 918     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 919     &li.score[SC_ELEM_BONUS],           10
 920   },
 921
 922   // ---------- unused values -------------------------------------------------
 923
 924   {
 925     EL_UNKNOWN,                         SAVE_CONF_NEVER,
 926     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 927     &li.score[SC_UNKNOWN_15],           10
 928   },
 929
 930   {
 931     -1,                                 -1,
 932     -1,                                 -1,
 933     NULL,                               -1
 934   }
 935 };
 936
 937 static struct LevelFileConfigInfo chunk_config_NOTE[] =
 938 {
 939   {
 940     -1,                                 -1,
 941     TYPE_INTEGER,                       CONF_VALUE_8_BIT(1),
 942     &xx_envelope.xsize,                 MAX_ENVELOPE_XSIZE,
 943   },
 944   {
 945     -1,                                 -1,
 946     TYPE_INTEGER,                       CONF_VALUE_8_BIT(2),
 947     &xx_envelope.ysize,                 MAX_ENVELOPE_YSIZE,
 948   },
 949
 950   {
 951     -1,                                 -1,
 952     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(3),
 953     &xx_envelope.autowrap,              FALSE
 954   },
 955   {
 956     -1,                                 -1,
 957     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(4),
 958     &xx_envelope.centered,              FALSE
 959   },
 960
 961   {
 962     -1,                                 -1,
 963     TYPE_STRING,                        CONF_VALUE_BYTES(1),
 964     &xx_envelope.text,                  -1, NULL,
 965     &xx_string_length_unused,           -1, MAX_ENVELOPE_TEXT_LEN,
 966     &xx_default_string_empty[0]
 967   },
 968
 969   {
 970     -1,                                 -1,
 971     -1,                                 -1,
 972     NULL,                               -1
 973   }
 974 };
 975
 976 static struct LevelFileConfigInfo chunk_config_CUSX_base[] =
 977 {
 978   {
 979     -1,                                 -1,
 980     TYPE_STRING,                        CONF_VALUE_BYTES(1),
 981     &xx_ei.description[0],              -1,
 982     &yy_ei.description[0],
 983     &xx_string_length_unused,           -1, MAX_ELEMENT_NAME_LEN,
 984     &xx_default_description[0]
 985   },
 986
 987   {
 988     -1,                                 -1,
 989     TYPE_BITFIELD,                      CONF_VALUE_32_BIT(1),
 990     &xx_ei.properties[EP_BITFIELD_BASE_NR], EP_BITMASK_BASE_DEFAULT,
 991     &yy_ei.properties[EP_BITFIELD_BASE_NR]
 992   },
 993 #if ENABLE_RESERVED_CODE
 994   // (reserved for later use)
 995   {
 996     -1,                                 -1,
 997     TYPE_BITFIELD,                      CONF_VALUE_32_BIT(2),
 998     &xx_ei.properties[EP_BITFIELD_BASE_NR + 1], EP_BITMASK_DEFAULT,
 999     &yy_ei.properties[EP_BITFIELD_BASE_NR + 1]
1000   },
1001 #endif
1002
1003   {
1004     -1,                                 -1,
1005     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
1006     &xx_ei.use_gfx_element,             FALSE,
1007     &yy_ei.use_gfx_element
1008   },
1009   {
1010     -1,                                 -1,
1011     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
1012     &xx_ei.gfx_element_initial,         EL_EMPTY_SPACE,
1013     &yy_ei.gfx_element_initial
1014   },
1015
1016   {
1017     -1,                                 -1,
1018     TYPE_BITFIELD,                      CONF_VALUE_8_BIT(2),
1019     &xx_ei.access_direction,            MV_ALL_DIRECTIONS,
1020     &yy_ei.access_direction
1021   },
1022
1023   {
1024     -1,                                 -1,
1025     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
1026     &xx_ei.collect_score_initial,       10,
1027     &yy_ei.collect_score_initial
1028   },
1029   {
1030     -1,                                 -1,
1031     TYPE_INTEGER,                       CONF_VALUE_16_BIT(3),
1032     &xx_ei.collect_count_initial,       1,
1033     &yy_ei.collect_count_initial
1034   },
1035
1036   {
1037     -1,                                 -1,
1038     TYPE_INTEGER,                       CONF_VALUE_16_BIT(4),
1039     &xx_ei.ce_value_fixed_initial,      0,
1040     &yy_ei.ce_value_fixed_initial
1041   },
1042   {
1043     -1,                                 -1,
1044     TYPE_INTEGER,                       CONF_VALUE_16_BIT(5),
1045     &xx_ei.ce_value_random_initial,     0,
1046     &yy_ei.ce_value_random_initial
1047   },
1048   {
1049     -1,                                 -1,
1050     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(3),
1051     &xx_ei.use_last_ce_value,           FALSE,
1052     &yy_ei.use_last_ce_value
1053   },
1054
1055   {
1056     -1,                                 -1,
1057     TYPE_INTEGER,                       CONF_VALUE_16_BIT(6),
1058     &xx_ei.push_delay_fixed,            8,
1059     &yy_ei.push_delay_fixed
1060   },
1061   {
1062     -1,                                 -1,
1063     TYPE_INTEGER,                       CONF_VALUE_16_BIT(7),
1064     &xx_ei.push_delay_random,           8,
1065     &yy_ei.push_delay_random
1066   },
1067   {
1068     -1,                                 -1,
1069     TYPE_INTEGER,                       CONF_VALUE_16_BIT(8),
1070     &xx_ei.drop_delay_fixed,            0,
1071     &yy_ei.drop_delay_fixed
1072   },
1073   {
1074     -1,                                 -1,
1075     TYPE_INTEGER,                       CONF_VALUE_16_BIT(9),
1076     &xx_ei.drop_delay_random,           0,
1077     &yy_ei.drop_delay_random
1078   },
1079   {
1080     -1,                                 -1,
1081     TYPE_INTEGER,                       CONF_VALUE_16_BIT(10),
1082     &xx_ei.move_delay_fixed,            0,
1083     &yy_ei.move_delay_fixed
1084   },
1085   {
1086     -1,                                 -1,
1087     TYPE_INTEGER,                       CONF_VALUE_16_BIT(11),
1088     &xx_ei.move_delay_random,           0,
1089     &yy_ei.move_delay_random
1090   },
1091   {
1092     -1,                                 -1,
1093     TYPE_INTEGER,                       CONF_VALUE_16_BIT(16),
1094     &xx_ei.step_delay_fixed,            0,
1095     &yy_ei.step_delay_fixed
1096   },
1097   {
1098     -1,                                 -1,
1099     TYPE_INTEGER,                       CONF_VALUE_16_BIT(17),
1100     &xx_ei.step_delay_random,           0,
1101     &yy_ei.step_delay_random
1102   },
1103
1104   {
1105     -1,                                 -1,
1106     TYPE_BITFIELD,                      CONF_VALUE_32_BIT(3),
1107     &xx_ei.move_pattern,                MV_ALL_DIRECTIONS,
1108     &yy_ei.move_pattern
1109   },
1110   {
1111     -1,                                 -1,
1112     TYPE_BITFIELD,                      CONF_VALUE_8_BIT(4),
1113     &xx_ei.move_direction_initial,      MV_START_AUTOMATIC,
1114     &yy_ei.move_direction_initial
1115   },
1116   {
1117     -1,                                 -1,
1118     TYPE_INTEGER,                       CONF_VALUE_8_BIT(5),
1119     &xx_ei.move_stepsize,               TILEX / 8,
1120     &yy_ei.move_stepsize
1121   },
1122
1123   {
1124     -1,                                 -1,
1125     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(12),
1126     &xx_ei.move_enter_element,          EL_EMPTY_SPACE,
1127     &yy_ei.move_enter_element
1128   },
1129   {
1130     -1,                                 -1,
1131     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(13),
1132     &xx_ei.move_leave_element,          EL_EMPTY_SPACE,
1133     &yy_ei.move_leave_element
1134   },
1135   {
1136     -1,                                 -1,
1137     TYPE_INTEGER,                       CONF_VALUE_8_BIT(6),
1138     &xx_ei.move_leave_type,             LEAVE_TYPE_UNLIMITED,
1139     &yy_ei.move_leave_type
1140   },
1141
1142   {
1143     -1,                                 -1,
1144     TYPE_INTEGER,                       CONF_VALUE_8_BIT(7),
1145     &xx_ei.slippery_type,               SLIPPERY_ANY_RANDOM,
1146     &yy_ei.slippery_type
1147   },
1148
1149   {
1150     -1,                                 -1,
1151     TYPE_INTEGER,                       CONF_VALUE_8_BIT(8),
1152     &xx_ei.explosion_type,              EXPLODES_3X3,
1153     &yy_ei.explosion_type
1154   },
1155   {
1156     -1,                                 -1,
1157     TYPE_INTEGER,                       CONF_VALUE_16_BIT(14),
1158     &xx_ei.explosion_delay,             16,
1159     &yy_ei.explosion_delay
1160   },
1161   {
1162     -1,                                 -1,
1163     TYPE_INTEGER,                       CONF_VALUE_16_BIT(15),
1164     &xx_ei.ignition_delay,              8,
1165     &yy_ei.ignition_delay
1166   },
1167
1168   {
1169     -1,                                 -1,
1170     TYPE_CONTENT_LIST,                  CONF_VALUE_BYTES(2),
1171     &xx_ei.content,                     EL_EMPTY_SPACE,
1172     &yy_ei.content,
1173     &xx_num_contents,                   1, 1
1174   },
1175
1176   // ---------- "num_change_pages" must be the last entry ---------------------
1177
1178   {
1179     -1,                                 SAVE_CONF_ALWAYS,
1180     TYPE_INTEGER,                       CONF_VALUE_8_BIT(9),
1181     &xx_ei.num_change_pages,            1,
1182     &yy_ei.num_change_pages
1183   },
1184
1185   {
1186     -1,                                 -1,
1187     -1,                                 -1,
1188     NULL,                               -1,
1189     NULL
1190   }
1191 };
1192
1193 static struct LevelFileConfigInfo chunk_config_CUSX_change[] =
1194 {
1195   // ---------- "current_change_page" must be the first entry -----------------
1196
1197   {
1198     -1,                                 SAVE_CONF_ALWAYS,
1199     TYPE_INTEGER,                       CONF_VALUE_8_BIT(1),
1200     &xx_current_change_page,            -1
1201   },
1202
1203   // ---------- (the remaining entries can be in any order) -------------------
1204
1205   {
1206     -1,                                 -1,
1207     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(2),
1208     &xx_change.can_change,              FALSE
1209   },
1210
1211   {
1212     -1,                                 -1,
1213     TYPE_BITFIELD,                      CONF_VALUE_32_BIT(1),
1214     &xx_event_bits[0],                  0
1215   },
1216   {
1217     -1,                                 -1,
1218     TYPE_BITFIELD,                      CONF_VALUE_32_BIT(2),
1219     &xx_event_bits[1],                  0
1220   },
1221
1222   {
1223     -1,                                 -1,
1224     TYPE_BITFIELD,                      CONF_VALUE_8_BIT(3),
1225     &xx_change.trigger_player,          CH_PLAYER_ANY
1226   },
1227   {
1228     -1,                                 -1,
1229     TYPE_BITFIELD,                      CONF_VALUE_8_BIT(4),
1230     &xx_change.trigger_side,            CH_SIDE_ANY
1231   },
1232   {
1233     -1,                                 -1,
1234     TYPE_BITFIELD,                      CONF_VALUE_32_BIT(3),
1235     &xx_change.trigger_page,            CH_PAGE_ANY
1236   },
1237
1238   {
1239     -1,                                 -1,
1240     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
1241     &xx_change.target_element,          EL_EMPTY_SPACE
1242   },
1243
1244   {
1245     -1,                                 -1,
1246     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
1247     &xx_change.delay_fixed,             0
1248   },
1249   {
1250     -1,                                 -1,
1251     TYPE_INTEGER,                       CONF_VALUE_16_BIT(3),
1252     &xx_change.delay_random,            0
1253   },
1254   {
1255     -1,                                 -1,
1256     TYPE_INTEGER,                       CONF_VALUE_16_BIT(4),
1257     &xx_change.delay_frames,            FRAMES_PER_SECOND
1258   },
1259
1260   {
1261     -1,                                 -1,
1262     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(5),
1263     &xx_change.initial_trigger_element, EL_EMPTY_SPACE
1264   },
1265
1266   {
1267     -1,                                 -1,
1268     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(6),
1269     &xx_change.explode,                 FALSE
1270   },
1271   {
1272     -1,                                 -1,
1273     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(7),
1274     &xx_change.use_target_content,      FALSE
1275   },
1276   {
1277     -1,                                 -1,
1278     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(8),
1279     &xx_change.only_if_complete,        FALSE
1280   },
1281   {
1282     -1,                                 -1,
1283     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(9),
1284     &xx_change.use_random_replace,      FALSE
1285   },
1286   {
1287     -1,                                 -1,
1288     TYPE_INTEGER,                       CONF_VALUE_8_BIT(10),
1289     &xx_change.random_percentage,       100
1290   },
1291   {
1292     -1,                                 -1,
1293     TYPE_INTEGER,                       CONF_VALUE_8_BIT(11),
1294     &xx_change.replace_when,            CP_WHEN_EMPTY
1295   },
1296
1297   {
1298     -1,                                 -1,
1299     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(12),
1300     &xx_change.has_action,              FALSE
1301   },
1302   {
1303     -1,                                 -1,
1304     TYPE_INTEGER,                       CONF_VALUE_8_BIT(13),
1305     &xx_change.action_type,             CA_NO_ACTION
1306   },
1307   {
1308     -1,                                 -1,
1309     TYPE_INTEGER,                       CONF_VALUE_8_BIT(14),
1310     &xx_change.action_mode,             CA_MODE_UNDEFINED
1311   },
1312   {
1313     -1,                                 -1,
1314     TYPE_INTEGER,                       CONF_VALUE_16_BIT(6),
1315     &xx_change.action_arg,              CA_ARG_UNDEFINED
1316   },
1317
1318   {
1319     -1,                                 -1,
1320     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(7),
1321     &xx_change.action_element,          EL_EMPTY_SPACE
1322   },
1323
1324   {
1325     -1,                                 -1,
1326     TYPE_CONTENT_LIST,                  CONF_VALUE_BYTES(1),
1327     &xx_change.target_content,          EL_EMPTY_SPACE, NULL,
1328     &xx_num_contents,                   1, 1
1329   },
1330
1331   {
1332     -1,                                 -1,
1333     -1,                                 -1,
1334     NULL,                               -1
1335   }
1336 };
1337
1338 static struct LevelFileConfigInfo chunk_config_GRPX[] =
1339 {
1340   {
1341     -1,                                 -1,
1342     TYPE_STRING,                        CONF_VALUE_BYTES(1),
1343     &xx_ei.description[0],              -1, NULL,
1344     &xx_string_length_unused,           -1, MAX_ELEMENT_NAME_LEN,
1345     &xx_default_description[0]
1346   },
1347
1348   {
1349     -1,                                 -1,
1350     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
1351     &xx_ei.use_gfx_element,             FALSE
1352   },
1353   {
1354     -1,                                 -1,
1355     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
1356     &xx_ei.gfx_element_initial,         EL_EMPTY_SPACE
1357   },
1358
1359   {
1360     -1,                                 -1,
1361     TYPE_INTEGER,                       CONF_VALUE_8_BIT(2),
1362     &xx_group.choice_mode,              ANIM_RANDOM
1363   },
1364
1365   {
1366     -1,                                 -1,
1367     TYPE_ELEMENT_LIST,                  CONF_VALUE_BYTES(2),
1368     &xx_group.element[0],               EL_EMPTY_SPACE, NULL,
1369     &xx_group.num_elements,             1, MAX_ELEMENTS_IN_GROUP
1370   },
1371
1372   {
1373     -1,                                 -1,
1374     -1,                                 -1,
1375     NULL,                               -1
1376   }
1377 };
1378
1379 static struct LevelFileConfigInfo chunk_config_CONF[] =         // (OBSOLETE)
1380 {
1381   {
1382     EL_PLAYER_1,                        -1,
1383     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(9),
1384     &li.block_snap_field,               TRUE
1385   },
1386   {
1387     EL_PLAYER_1,                        -1,
1388     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(13),
1389     &li.continuous_snapping,            TRUE
1390   },
1391   {
1392     EL_PLAYER_1,                        -1,
1393     TYPE_INTEGER,                       CONF_VALUE_8_BIT(1),
1394     &li.initial_player_stepsize[0],     STEPSIZE_NORMAL
1395   },
1396   {
1397     EL_PLAYER_1,                        -1,
1398     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(10),
1399     &li.use_start_element[0],           FALSE
1400   },
1401   {
1402     EL_PLAYER_1,                        -1,
1403     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
1404     &li.start_element[0],               EL_PLAYER_1
1405   },
1406   {
1407     EL_PLAYER_1,                        -1,
1408     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(11),
1409     &li.use_artwork_element[0],         FALSE
1410   },
1411   {
1412     EL_PLAYER_1,                        -1,
1413     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(2),
1414     &li.artwork_element[0],             EL_PLAYER_1
1415   },
1416   {
1417     EL_PLAYER_1,                        -1,
1418     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(12),
1419     &li.use_explosion_element[0],       FALSE
1420   },
1421   {
1422     EL_PLAYER_1,                        -1,
1423     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(3),
1424     &li.explosion_element[0],           EL_PLAYER_1
1425   },
1426
1427   {
1428     -1,                                 -1,
1429     -1,                                 -1,
1430     NULL,                               -1
1431   }
1432 };
1433
1434 static struct
1435 {
1436   int filetype;
1437   char *id;
1438 }
1439 filetype_id_list[] =
1440 {
1441   { LEVEL_FILE_TYPE_RND,        "RND"   },
1442   { LEVEL_FILE_TYPE_BD,         "BD"    },
1443   { LEVEL_FILE_TYPE_EM,         "EM"    },
1444   { LEVEL_FILE_TYPE_SP,         "SP"    },
1445   { LEVEL_FILE_TYPE_DX,         "DX"    },
1446   { LEVEL_FILE_TYPE_SB,         "SB"    },
1447   { LEVEL_FILE_TYPE_DC,         "DC"    },
1448   { LEVEL_FILE_TYPE_MM,         "MM"    },
1449   { LEVEL_FILE_TYPE_MM,         "DF"    },
1450   { -1,                         NULL    },
1451 };
1452
1453
1454 // ============================================================================
1455 // level file functions
1456 // ============================================================================
1457
1458 static boolean check_special_flags(char *flag)
1459 {
1460   if (strEqual(options.special_flags, flag) ||
1461       strEqual(leveldir_current->special_flags, flag))
1462     return TRUE;
1463
1464   return FALSE;
1465 }
1466
1467 static struct DateInfo getCurrentDate(void)
1468 {
1469   time_t epoch_seconds = time(NULL);
1470   struct tm *now = localtime(&epoch_seconds);
1471   struct DateInfo date;
1472
1473   date.year  = now->tm_year + 1900;
1474   date.month = now->tm_mon  + 1;
1475   date.day   = now->tm_mday;
1476
1477   date.src   = DATE_SRC_CLOCK;
1478
1479   return date;
1480 }
1481
1482 static void resetEventFlags(struct ElementChangeInfo *change)
1483 {
1484   int i;
1485
1486   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
1487     change->has_event[i] = FALSE;
1488 }
1489
1490 static void resetEventBits(void)
1491 {
1492   int i;
1493
1494   for (i = 0; i < NUM_CE_BITFIELDS; i++)
1495     xx_event_bits[i] = 0;
1496 }
1497
1498 static void setEventFlagsFromEventBits(struct ElementChangeInfo *change)
1499 {
1500   int i;
1501
1502   /* important: only change event flag if corresponding event bit is set
1503      (this is because all xx_event_bits[] values are loaded separately,
1504      and all xx_event_bits[] values are set back to zero before loading
1505      another value xx_event_bits[x] (each value representing 32 flags)) */
1506
1507   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
1508     if (xx_event_bits[CH_EVENT_BITFIELD_NR(i)] & CH_EVENT_BIT(i))
1509       change->has_event[i] = TRUE;
1510 }
1511
1512 static void setEventBitsFromEventFlags(struct ElementChangeInfo *change)
1513 {
1514   int i;
1515
1516   /* in contrast to the above function setEventFlagsFromEventBits(), it
1517      would also be possible to set all bits in xx_event_bits[] to 0 or 1
1518      depending on the corresponding change->has_event[i] values here, as
1519      all xx_event_bits[] values are reset in resetEventBits() before */
1520
1521   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
1522     if (change->has_event[i])
1523       xx_event_bits[CH_EVENT_BITFIELD_NR(i)] |= CH_EVENT_BIT(i);
1524 }
1525
1526 static char *getDefaultElementDescription(struct ElementInfo *ei)
1527 {
1528   static char description[MAX_ELEMENT_NAME_LEN + 1];
1529   char *default_description = (ei->custom_description != NULL ?
1530                                ei->custom_description :
1531                                ei->editor_description);
1532   int i;
1533
1534   // always start with reliable default values
1535   for (i = 0; i < MAX_ELEMENT_NAME_LEN + 1; i++)
1536     description[i] = '\0';
1537
1538   // truncate element description to MAX_ELEMENT_NAME_LEN bytes
1539   strncpy(description, default_description, MAX_ELEMENT_NAME_LEN);
1540
1541   return &description[0];
1542 }
1543
1544 static void setElementDescriptionToDefault(struct ElementInfo *ei)
1545 {
1546   char *default_description = getDefaultElementDescription(ei);
1547   int i;
1548
1549   for (i = 0; i < MAX_ELEMENT_NAME_LEN + 1; i++)
1550     ei->description[i] = default_description[i];
1551 }
1552
1553 static void setConfigToDefaultsFromConfigList(struct LevelFileConfigInfo *conf)
1554 {
1555   int i;
1556
1557   for (i = 0; conf[i].data_type != -1; i++)
1558   {
1559     int default_value = conf[i].default_value;
1560     int data_type = conf[i].data_type;
1561     int conf_type = conf[i].conf_type;
1562     int byte_mask = conf_type & CONF_MASK_BYTES;
1563
1564     if (byte_mask == CONF_MASK_MULTI_BYTES)
1565     {
1566       int default_num_entities = conf[i].default_num_entities;
1567       int max_num_entities = conf[i].max_num_entities;
1568
1569       *(int *)(conf[i].num_entities) = default_num_entities;
1570
1571       if (data_type == TYPE_STRING)
1572       {
1573         char *default_string = conf[i].default_string;
1574         char *string = (char *)(conf[i].value);
1575
1576         strncpy(string, default_string, max_num_entities);
1577       }
1578       else if (data_type == TYPE_ELEMENT_LIST)
1579       {
1580         int *element_array = (int *)(conf[i].value);
1581         int j;
1582
1583         for (j = 0; j < max_num_entities; j++)
1584           element_array[j] = default_value;
1585       }
1586       else if (data_type == TYPE_CONTENT_LIST)
1587       {
1588         struct Content *content = (struct Content *)(conf[i].value);
1589         int c, x, y;
1590
1591         for (c = 0; c < max_num_entities; c++)
1592           for (y = 0; y < 3; y++)
1593             for (x = 0; x < 3; x++)
1594               content[c].e[x][y] = default_value;
1595       }
1596     }
1597     else        // constant size configuration data (1, 2 or 4 bytes)
1598     {
1599       if (data_type == TYPE_BOOLEAN)
1600         *(boolean *)(conf[i].value) = default_value;
1601       else
1602         *(int *)    (conf[i].value) = default_value;
1603     }
1604   }
1605 }
1606
1607 static void copyConfigFromConfigList(struct LevelFileConfigInfo *conf)
1608 {
1609   int i;
1610
1611   for (i = 0; conf[i].data_type != -1; i++)
1612   {
1613     int data_type = conf[i].data_type;
1614     int conf_type = conf[i].conf_type;
1615     int byte_mask = conf_type & CONF_MASK_BYTES;
1616
1617     if (byte_mask == CONF_MASK_MULTI_BYTES)
1618     {
1619       int max_num_entities = conf[i].max_num_entities;
1620
1621       if (data_type == TYPE_STRING)
1622       {
1623         char *string      = (char *)(conf[i].value);
1624         char *string_copy = (char *)(conf[i].value_copy);
1625
1626         strncpy(string_copy, string, max_num_entities);
1627       }
1628       else if (data_type == TYPE_ELEMENT_LIST)
1629       {
1630         int *element_array      = (int *)(conf[i].value);
1631         int *element_array_copy = (int *)(conf[i].value_copy);
1632         int j;
1633
1634         for (j = 0; j < max_num_entities; j++)
1635           element_array_copy[j] = element_array[j];
1636       }
1637       else if (data_type == TYPE_CONTENT_LIST)
1638       {
1639         struct Content *content      = (struct Content *)(conf[i].value);
1640         struct Content *content_copy = (struct Content *)(conf[i].value_copy);
1641         int c, x, y;
1642
1643         for (c = 0; c < max_num_entities; c++)
1644           for (y = 0; y < 3; y++)
1645             for (x = 0; x < 3; x++)
1646               content_copy[c].e[x][y] = content[c].e[x][y];
1647       }
1648     }
1649     else        // constant size configuration data (1, 2 or 4 bytes)
1650     {
1651       if (data_type == TYPE_BOOLEAN)
1652         *(boolean *)(conf[i].value_copy) = *(boolean *)(conf[i].value);
1653       else
1654         *(int *)    (conf[i].value_copy) = *(int *)    (conf[i].value);
1655     }
1656   }
1657 }
1658
1659 void copyElementInfo(struct ElementInfo *ei_from, struct ElementInfo *ei_to)
1660 {
1661   int i;
1662
1663   xx_ei = *ei_from;     // copy element data into temporary buffer
1664   yy_ei = *ei_to;       // copy element data into temporary buffer
1665
1666   copyConfigFromConfigList(chunk_config_CUSX_base);
1667
1668   *ei_from = xx_ei;
1669   *ei_to   = yy_ei;
1670
1671   // ---------- reinitialize and copy change pages ----------
1672
1673   ei_to->num_change_pages = ei_from->num_change_pages;
1674   ei_to->current_change_page = ei_from->current_change_page;
1675
1676   setElementChangePages(ei_to, ei_to->num_change_pages);
1677
1678   for (i = 0; i < ei_to->num_change_pages; i++)
1679     ei_to->change_page[i] = ei_from->change_page[i];
1680
1681   // ---------- copy group element info ----------
1682   if (ei_from->group != NULL && ei_to->group != NULL)   // group or internal
1683     *ei_to->group = *ei_from->group;
1684
1685   // mark this custom element as modified
1686   ei_to->modified_settings = TRUE;
1687 }
1688
1689 void setElementChangePages(struct ElementInfo *ei, int change_pages)
1690 {
1691   int change_page_size = sizeof(struct ElementChangeInfo);
1692
1693   ei->num_change_pages = MAX(1, change_pages);
1694
1695   ei->change_page =
1696     checked_realloc(ei->change_page, ei->num_change_pages * change_page_size);
1697
1698   if (ei->current_change_page >= ei->num_change_pages)
1699     ei->current_change_page = ei->num_change_pages - 1;
1700
1701   ei->change = &ei->change_page[ei->current_change_page];
1702 }
1703
1704 void setElementChangeInfoToDefaults(struct ElementChangeInfo *change)
1705 {
1706   xx_change = *change;          // copy change data into temporary buffer
1707
1708   setConfigToDefaultsFromConfigList(chunk_config_CUSX_change);
1709
1710   *change = xx_change;
1711
1712   resetEventFlags(change);
1713
1714   change->direct_action = 0;
1715   change->other_action = 0;
1716
1717   change->pre_change_function = NULL;
1718   change->change_function = NULL;
1719   change->post_change_function = NULL;
1720 }
1721
1722 static void setLevelInfoToDefaults_Level(struct LevelInfo *level)
1723 {
1724   int i, x, y;
1725
1726   li = *level;          // copy level data into temporary buffer
1727   setConfigToDefaultsFromConfigList(chunk_config_INFO);
1728   *level = li;          // copy temporary buffer back to level data
1729
1730   setLevelInfoToDefaults_EM();
1731   setLevelInfoToDefaults_SP();
1732   setLevelInfoToDefaults_MM();
1733
1734   level->native_em_level = &native_em_level;
1735   level->native_sp_level = &native_sp_level;
1736   level->native_mm_level = &native_mm_level;
1737
1738   level->file_version = FILE_VERSION_ACTUAL;
1739   level->game_version = GAME_VERSION_ACTUAL;
1740
1741   level->creation_date = getCurrentDate();
1742
1743   level->encoding_16bit_field  = TRUE;
1744   level->encoding_16bit_yamyam = TRUE;
1745   level->encoding_16bit_amoeba = TRUE;
1746
1747   // clear level name and level author string buffers
1748   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
1749     level->name[i] = '\0';
1750   for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++)
1751     level->author[i] = '\0';
1752
1753   // set level name and level author to default values
1754   strcpy(level->name, NAMELESS_LEVEL_NAME);
1755   strcpy(level->author, ANONYMOUS_NAME);
1756
1757   // set level playfield to playable default level with player and exit
1758   for (x = 0; x < MAX_LEV_FIELDX; x++)
1759     for (y = 0; y < MAX_LEV_FIELDY; y++)
1760       level->field[x][y] = EL_SAND;
1761
1762   level->field[0][0] = EL_PLAYER_1;
1763   level->field[STD_LEV_FIELDX - 1][STD_LEV_FIELDY - 1] = EL_EXIT_CLOSED;
1764
1765   BorderElement = EL_STEELWALL;
1766
1767   // detect custom elements when loading them
1768   level->file_has_custom_elements = FALSE;
1769
1770   // set all bug compatibility flags to "false" => do not emulate this bug
1771   level->use_action_after_change_bug = FALSE;
1772
1773   if (leveldir_current)
1774   {
1775     // try to determine better author name than 'anonymous'
1776     if (!strEqual(leveldir_current->author, ANONYMOUS_NAME))
1777     {
1778       strncpy(level->author, leveldir_current->author, MAX_LEVEL_AUTHOR_LEN);
1779       level->author[MAX_LEVEL_AUTHOR_LEN] = '\0';
1780     }
1781     else
1782     {
1783       switch (LEVELCLASS(leveldir_current))
1784       {
1785         case LEVELCLASS_TUTORIAL:
1786           strcpy(level->author, PROGRAM_AUTHOR_STRING);
1787           break;
1788
1789         case LEVELCLASS_CONTRIB:
1790           strncpy(level->author, leveldir_current->name, MAX_LEVEL_AUTHOR_LEN);
1791           level->author[MAX_LEVEL_AUTHOR_LEN] = '\0';
1792           break;
1793
1794         case LEVELCLASS_PRIVATE:
1795           strncpy(level->author, getRealName(), MAX_LEVEL_AUTHOR_LEN);
1796           level->author[MAX_LEVEL_AUTHOR_LEN] = '\0';
1797           break;
1798
1799         default:
1800           // keep default value
1801           break;
1802       }
1803     }
1804   }
1805 }
1806
1807 static void setLevelInfoToDefaults_Elements(struct LevelInfo *level)
1808 {
1809   static boolean clipboard_elements_initialized = FALSE;
1810   int i;
1811
1812   InitElementPropertiesStatic();
1813
1814   li = *level;          // copy level data into temporary buffer
1815   setConfigToDefaultsFromConfigList(chunk_config_ELEM);
1816   *level = li;          // copy temporary buffer back to level data
1817
1818   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
1819   {
1820     int element = i;
1821     struct ElementInfo *ei = &element_info[element];
1822
1823     // never initialize clipboard elements after the very first time
1824     // (to be able to use clipboard elements between several levels)
1825     if (IS_CLIPBOARD_ELEMENT(element) && clipboard_elements_initialized)
1826       continue;
1827
1828     if (IS_ENVELOPE(element))
1829     {
1830       int envelope_nr = element - EL_ENVELOPE_1;
1831
1832       setConfigToDefaultsFromConfigList(chunk_config_NOTE);
1833
1834       level->envelope[envelope_nr] = xx_envelope;
1835     }
1836
1837     if (IS_CUSTOM_ELEMENT(element) ||
1838         IS_GROUP_ELEMENT(element) ||
1839         IS_INTERNAL_ELEMENT(element))
1840     {
1841       xx_ei = *ei;      // copy element data into temporary buffer
1842
1843       setConfigToDefaultsFromConfigList(chunk_config_CUSX_base);
1844
1845       *ei = xx_ei;
1846     }
1847
1848     setElementChangePages(ei, 1);
1849     setElementChangeInfoToDefaults(ei->change);
1850
1851     if (IS_CUSTOM_ELEMENT(element) ||
1852         IS_GROUP_ELEMENT(element) ||
1853         IS_INTERNAL_ELEMENT(element))
1854     {
1855       setElementDescriptionToDefault(ei);
1856
1857       ei->modified_settings = FALSE;
1858     }
1859
1860     if (IS_CUSTOM_ELEMENT(element) ||
1861         IS_INTERNAL_ELEMENT(element))
1862     {
1863       // internal values used in level editor
1864
1865       ei->access_type = 0;
1866       ei->access_layer = 0;
1867       ei->access_protected = 0;
1868       ei->walk_to_action = 0;
1869       ei->smash_targets = 0;
1870       ei->deadliness = 0;
1871
1872       ei->can_explode_by_fire = FALSE;
1873       ei->can_explode_smashed = FALSE;
1874       ei->can_explode_impact = FALSE;
1875
1876       ei->current_change_page = 0;
1877     }
1878
1879     if (IS_GROUP_ELEMENT(element) ||
1880         IS_INTERNAL_ELEMENT(element))
1881     {
1882       struct ElementGroupInfo *group;
1883
1884       // initialize memory for list of elements in group
1885       if (ei->group == NULL)
1886         ei->group = checked_malloc(sizeof(struct ElementGroupInfo));
1887
1888       group = ei->group;
1889
1890       xx_group = *group;        // copy group data into temporary buffer
1891
1892       setConfigToDefaultsFromConfigList(chunk_config_GRPX);
1893
1894       *group = xx_group;
1895     }
1896   }
1897
1898   clipboard_elements_initialized = TRUE;
1899 }
1900
1901 static void setLevelInfoToDefaults(struct LevelInfo *level,
1902                                    boolean level_info_only,
1903                                    boolean reset_file_status)
1904 {
1905   setLevelInfoToDefaults_Level(level);
1906
1907   if (!level_info_only)
1908     setLevelInfoToDefaults_Elements(level);
1909
1910   if (reset_file_status)
1911   {
1912     level->no_valid_file = FALSE;
1913     level->no_level_file = FALSE;
1914   }
1915
1916   level->changed = FALSE;
1917 }
1918
1919 static void setFileInfoToDefaults(struct LevelFileInfo *level_file_info)
1920 {
1921   level_file_info->nr = 0;
1922   level_file_info->type = LEVEL_FILE_TYPE_UNKNOWN;
1923   level_file_info->packed = FALSE;
1924
1925   setString(&level_file_info->basename, NULL);
1926   setString(&level_file_info->filename, NULL);
1927 }
1928
1929 int getMappedElement_SB(int, boolean);
1930
1931 static void ActivateLevelTemplate(void)
1932 {
1933   int x, y;
1934
1935   if (check_special_flags("load_xsb_to_ces"))
1936   {
1937     // fill smaller playfields with padding "beyond border wall" elements
1938     if (level.fieldx < level_template.fieldx ||
1939         level.fieldy < level_template.fieldy)
1940     {
1941       short field[level.fieldx][level.fieldy];
1942       int new_fieldx = MAX(level.fieldx, level_template.fieldx);
1943       int new_fieldy = MAX(level.fieldy, level_template.fieldy);
1944       int pos_fieldx = (new_fieldx - level.fieldx) / 2;
1945       int pos_fieldy = (new_fieldy - level.fieldy) / 2;
1946
1947       // copy old playfield (which is smaller than the visible area)
1948       for (y = 0; y < level.fieldy; y++) for (x = 0; x < level.fieldx; x++)
1949         field[x][y] = level.field[x][y];
1950
1951       // fill new, larger playfield with "beyond border wall" elements
1952       for (y = 0; y < new_fieldy; y++) for (x = 0; x < new_fieldx; x++)
1953         level.field[x][y] = getMappedElement_SB('_', TRUE);
1954
1955       // copy the old playfield to the middle of the new playfield
1956       for (y = 0; y < level.fieldy; y++) for (x = 0; x < level.fieldx; x++)
1957         level.field[pos_fieldx + x][pos_fieldy + y] = field[x][y];
1958
1959       level.fieldx = new_fieldx;
1960       level.fieldy = new_fieldy;
1961     }
1962   }
1963
1964   // Currently there is no special action needed to activate the template
1965   // data, because 'element_info' property settings overwrite the original
1966   // level data, while all other variables do not change.
1967
1968   // Exception: 'from_level_template' elements in the original level playfield
1969   // are overwritten with the corresponding elements at the same position in
1970   // playfield from the level template.
1971
1972   for (x = 0; x < level.fieldx; x++)
1973     for (y = 0; y < level.fieldy; y++)
1974       if (level.field[x][y] == EL_FROM_LEVEL_TEMPLATE)
1975         level.field[x][y] = level_template.field[x][y];
1976
1977   if (check_special_flags("load_xsb_to_ces"))
1978   {
1979     struct LevelInfo level_backup = level;
1980
1981     // overwrite all individual level settings from template level settings
1982     level = level_template;
1983
1984     // restore level file info
1985     level.file_info = level_backup.file_info;
1986
1987     // restore playfield size
1988     level.fieldx = level_backup.fieldx;
1989     level.fieldy = level_backup.fieldy;
1990
1991     // restore playfield content
1992     for (x = 0; x < level.fieldx; x++)
1993       for (y = 0; y < level.fieldy; y++)
1994         level.field[x][y] = level_backup.field[x][y];
1995
1996     // restore name and author from individual level
1997     strcpy(level.name,   level_backup.name);
1998     strcpy(level.author, level_backup.author);
1999
2000     // restore flag "use_custom_template"
2001     level.use_custom_template = level_backup.use_custom_template;
2002   }
2003 }
2004
2005 static char *getLevelFilenameFromBasename(char *basename)
2006 {
2007   static char *filename = NULL;
2008
2009   checked_free(filename);
2010
2011   filename = getPath2(getCurrentLevelDir(), basename);
2012
2013   return filename;
2014 }
2015
2016 static int getFileTypeFromBasename(char *basename)
2017 {
2018   // !!! ALSO SEE COMMENT IN checkForPackageFromBasename() !!!
2019
2020   static char *filename = NULL;
2021   struct stat file_status;
2022
2023   // ---------- try to determine file type from filename ----------
2024
2025   // check for typical filename of a Supaplex level package file
2026   if (strlen(basename) == 10 && strPrefixLower(basename, "levels.d"))
2027     return LEVEL_FILE_TYPE_SP;
2028
2029   // check for typical filename of a Diamond Caves II level package file
2030   if (strSuffixLower(basename, ".dc") ||
2031       strSuffixLower(basename, ".dc2"))
2032     return LEVEL_FILE_TYPE_DC;
2033
2034   // check for typical filename of a Sokoban level package file
2035   if (strSuffixLower(basename, ".xsb") &&
2036       strchr(basename, '%') == NULL)
2037     return LEVEL_FILE_TYPE_SB;
2038
2039   // ---------- try to determine file type from filesize ----------
2040
2041   checked_free(filename);
2042   filename = getPath2(getCurrentLevelDir(), basename);
2043
2044   if (stat(filename, &file_status) == 0)
2045   {
2046     // check for typical filesize of a Supaplex level package file
2047     if (file_status.st_size == 170496)
2048       return LEVEL_FILE_TYPE_SP;
2049   }
2050
2051   return LEVEL_FILE_TYPE_UNKNOWN;
2052 }
2053
2054 static int getFileTypeFromMagicBytes(char *filename, int type)
2055 {
2056   File *file;
2057
2058   if ((file = openFile(filename, MODE_READ)))
2059   {
2060     char chunk_name[CHUNK_ID_LEN + 1];
2061
2062     getFileChunkBE(file, chunk_name, NULL);
2063
2064     if (strEqual(chunk_name, "MMII") ||
2065         strEqual(chunk_name, "MIRR"))
2066       type = LEVEL_FILE_TYPE_MM;
2067
2068     closeFile(file);
2069   }
2070
2071   return type;
2072 }
2073
2074 static boolean checkForPackageFromBasename(char *basename)
2075 {
2076   // !!! WON'T WORK ANYMORE IF getFileTypeFromBasename() ALSO DETECTS !!!
2077   // !!! SINGLE LEVELS (CURRENTLY ONLY DETECTS LEVEL PACKAGES         !!!
2078
2079   return (getFileTypeFromBasename(basename) != LEVEL_FILE_TYPE_UNKNOWN);
2080 }
2081
2082 static char *getSingleLevelBasenameExt(int nr, char *extension)
2083 {
2084   static char basename[MAX_FILENAME_LEN];
2085
2086   if (nr < 0)
2087     sprintf(basename, "%s", LEVELTEMPLATE_FILENAME);
2088   else
2089     sprintf(basename, "%03d.%s", nr, extension);
2090
2091   return basename;
2092 }
2093
2094 static char *getSingleLevelBasename(int nr)
2095 {
2096   return getSingleLevelBasenameExt(nr, LEVELFILE_EXTENSION);
2097 }
2098
2099 static char *getPackedLevelBasename(int type)
2100 {
2101   static char basename[MAX_FILENAME_LEN];
2102   char *directory = getCurrentLevelDir();
2103   Directory *dir;
2104   DirectoryEntry *dir_entry;
2105
2106   strcpy(basename, UNDEFINED_FILENAME);         // default: undefined file
2107
2108   if ((dir = openDirectory(directory)) == NULL)
2109   {
2110     Warn("cannot read current level directory '%s'", directory);
2111
2112     return basename;
2113   }
2114
2115   while ((dir_entry = readDirectory(dir)) != NULL)      // loop all entries
2116   {
2117     char *entry_basename = dir_entry->basename;
2118     int entry_type = getFileTypeFromBasename(entry_basename);
2119
2120     if (entry_type != LEVEL_FILE_TYPE_UNKNOWN)  // found valid level package
2121     {
2122       if (type == LEVEL_FILE_TYPE_UNKNOWN ||
2123           type == entry_type)
2124       {
2125         strcpy(basename, entry_basename);
2126
2127         break;
2128       }
2129     }
2130   }
2131
2132   closeDirectory(dir);
2133
2134   return basename;
2135 }
2136
2137 static char *getSingleLevelFilename(int nr)
2138 {
2139   return getLevelFilenameFromBasename(getSingleLevelBasename(nr));
2140 }
2141
2142 #if ENABLE_UNUSED_CODE
2143 static char *getPackedLevelFilename(int type)
2144 {
2145   return getLevelFilenameFromBasename(getPackedLevelBasename(type));
2146 }
2147 #endif
2148
2149 char *getDefaultLevelFilename(int nr)
2150 {
2151   return getSingleLevelFilename(nr);
2152 }
2153
2154 #if ENABLE_UNUSED_CODE
2155 static void setLevelFileInfo_SingleLevelFilename(struct LevelFileInfo *lfi,
2156                                                  int type)
2157 {
2158   lfi->type = type;
2159   lfi->packed = FALSE;
2160
2161   setString(&lfi->basename, getSingleLevelBasename(lfi->nr, lfi->type));
2162   setString(&lfi->filename, getLevelFilenameFromBasename(lfi->basename));
2163 }
2164 #endif
2165
2166 static void setLevelFileInfo_FormatLevelFilename(struct LevelFileInfo *lfi,
2167                                                  int type, char *format, ...)
2168 {
2169   static char basename[MAX_FILENAME_LEN];
2170   va_list ap;
2171
2172   va_start(ap, format);
2173   vsprintf(basename, format, ap);
2174   va_end(ap);
2175
2176   lfi->type = type;
2177   lfi->packed = FALSE;
2178
2179   setString(&lfi->basename, basename);
2180   setString(&lfi->filename, getLevelFilenameFromBasename(lfi->basename));
2181 }
2182
2183 static void setLevelFileInfo_PackedLevelFilename(struct LevelFileInfo *lfi,
2184                                                  int type)
2185 {
2186   lfi->type = type;
2187   lfi->packed = TRUE;
2188
2189   setString(&lfi->basename, getPackedLevelBasename(lfi->type));
2190   setString(&lfi->filename, getLevelFilenameFromBasename(lfi->basename));
2191 }
2192
2193 static int getFiletypeFromID(char *filetype_id)
2194 {
2195   char *filetype_id_lower;
2196   int filetype = LEVEL_FILE_TYPE_UNKNOWN;
2197   int i;
2198
2199   if (filetype_id == NULL)
2200     return LEVEL_FILE_TYPE_UNKNOWN;
2201
2202   filetype_id_lower = getStringToLower(filetype_id);
2203
2204   for (i = 0; filetype_id_list[i].id != NULL; i++)
2205   {
2206     char *id_lower = getStringToLower(filetype_id_list[i].id);
2207
2208     if (strEqual(filetype_id_lower, id_lower))
2209       filetype = filetype_id_list[i].filetype;
2210
2211     free(id_lower);
2212
2213     if (filetype != LEVEL_FILE_TYPE_UNKNOWN)
2214       break;
2215   }
2216
2217   free(filetype_id_lower);
2218
2219   return filetype;
2220 }
2221
2222 char *getLocalLevelTemplateFilename(void)
2223 {
2224   return getDefaultLevelFilename(-1);
2225 }
2226
2227 char *getGlobalLevelTemplateFilename(void)
2228 {
2229   // global variable "leveldir_current" must be modified in the loop below
2230   LevelDirTree *leveldir_current_last = leveldir_current;
2231   char *filename = NULL;
2232
2233   // check for template level in path from current to topmost tree node
2234
2235   while (leveldir_current != NULL)
2236   {
2237     filename = getDefaultLevelFilename(-1);
2238
2239     if (fileExists(filename))
2240       break;
2241
2242     leveldir_current = leveldir_current->node_parent;
2243   }
2244
2245   // restore global variable "leveldir_current" modified in above loop
2246   leveldir_current = leveldir_current_last;
2247
2248   return filename;
2249 }
2250
2251 static void determineLevelFileInfo_Filename(struct LevelFileInfo *lfi)
2252 {
2253   int nr = lfi->nr;
2254
2255   // special case: level number is negative => check for level template file
2256   if (nr < 0)
2257   {
2258     setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_RND,
2259                                          getSingleLevelBasename(-1));
2260
2261     // replace local level template filename with global template filename
2262     setString(&lfi->filename, getGlobalLevelTemplateFilename());
2263
2264     // no fallback if template file not existing
2265     return;
2266   }
2267
2268   // special case: check for file name/pattern specified in "levelinfo.conf"
2269   if (leveldir_current->level_filename != NULL)
2270   {
2271     int filetype = getFiletypeFromID(leveldir_current->level_filetype);
2272
2273     setLevelFileInfo_FormatLevelFilename(lfi, filetype,
2274                                          leveldir_current->level_filename, nr);
2275
2276     lfi->packed = checkForPackageFromBasename(leveldir_current->level_filename);
2277
2278     if (fileExists(lfi->filename))
2279       return;
2280   }
2281   else if (leveldir_current->level_filetype != NULL)
2282   {
2283     int filetype = getFiletypeFromID(leveldir_current->level_filetype);
2284
2285     // check for specified native level file with standard file name
2286     setLevelFileInfo_FormatLevelFilename(lfi, filetype,
2287                                          "%03d.%s", nr, LEVELFILE_EXTENSION);
2288     if (fileExists(lfi->filename))
2289       return;
2290   }
2291
2292   // check for native Rocks'n'Diamonds level file
2293   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_RND,
2294                                        "%03d.%s", nr, LEVELFILE_EXTENSION);
2295   if (fileExists(lfi->filename))
2296     return;
2297
2298   // check for Emerald Mine level file (V1)
2299   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "a%c%c",
2300                                        'a' + (nr / 10) % 26, '0' + nr % 10);
2301   if (fileExists(lfi->filename))
2302     return;
2303   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "A%c%c",
2304                                        'A' + (nr / 10) % 26, '0' + nr % 10);
2305   if (fileExists(lfi->filename))
2306     return;
2307
2308   // check for Emerald Mine level file (V2 to V5)
2309   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%d", nr);
2310   if (fileExists(lfi->filename))
2311     return;
2312
2313   // check for Emerald Mine level file (V6 / single mode)
2314   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%02ds", nr);
2315   if (fileExists(lfi->filename))
2316     return;
2317   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%02dS", nr);
2318   if (fileExists(lfi->filename))
2319     return;
2320
2321   // check for Emerald Mine level file (V6 / teamwork mode)
2322   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%02dt", nr);
2323   if (fileExists(lfi->filename))
2324     return;
2325   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%02dT", nr);
2326   if (fileExists(lfi->filename))
2327     return;
2328
2329   // check for various packed level file formats
2330   setLevelFileInfo_PackedLevelFilename(lfi, LEVEL_FILE_TYPE_UNKNOWN);
2331   if (fileExists(lfi->filename))
2332     return;
2333
2334   // no known level file found -- use default values (and fail later)
2335   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_RND,
2336                                        "%03d.%s", nr, LEVELFILE_EXTENSION);
2337 }
2338
2339 static void determineLevelFileInfo_Filetype(struct LevelFileInfo *lfi)
2340 {
2341   if (lfi->type == LEVEL_FILE_TYPE_UNKNOWN)
2342     lfi->type = getFileTypeFromBasename(lfi->basename);
2343
2344   if (lfi->type == LEVEL_FILE_TYPE_RND)
2345     lfi->type = getFileTypeFromMagicBytes(lfi->filename, lfi->type);
2346 }
2347
2348 static void setLevelFileInfo(struct LevelFileInfo *level_file_info, int nr)
2349 {
2350   // always start with reliable default values
2351   setFileInfoToDefaults(level_file_info);
2352
2353   level_file_info->nr = nr;     // set requested level number
2354
2355   determineLevelFileInfo_Filename(level_file_info);
2356   determineLevelFileInfo_Filetype(level_file_info);
2357 }
2358
2359 static void copyLevelFileInfo(struct LevelFileInfo *lfi_from,
2360                               struct LevelFileInfo *lfi_to)
2361 {
2362   lfi_to->nr     = lfi_from->nr;
2363   lfi_to->type   = lfi_from->type;
2364   lfi_to->packed = lfi_from->packed;
2365
2366   setString(&lfi_to->basename, lfi_from->basename);
2367   setString(&lfi_to->filename, lfi_from->filename);
2368 }
2369
2370 // ----------------------------------------------------------------------------
2371 // functions for loading R'n'D level
2372 // ----------------------------------------------------------------------------
2373
2374 int getMappedElement(int element)
2375 {
2376   // remap some (historic, now obsolete) elements
2377
2378   switch (element)
2379   {
2380     case EL_PLAYER_OBSOLETE:
2381       element = EL_PLAYER_1;
2382       break;
2383
2384     case EL_KEY_OBSOLETE:
2385       element = EL_KEY_1;
2386       break;
2387
2388     case EL_EM_KEY_1_FILE_OBSOLETE:
2389       element = EL_EM_KEY_1;
2390       break;
2391
2392     case EL_EM_KEY_2_FILE_OBSOLETE:
2393       element = EL_EM_KEY_2;
2394       break;
2395
2396     case EL_EM_KEY_3_FILE_OBSOLETE:
2397       element = EL_EM_KEY_3;
2398       break;
2399
2400     case EL_EM_KEY_4_FILE_OBSOLETE:
2401       element = EL_EM_KEY_4;
2402       break;
2403
2404     case EL_ENVELOPE_OBSOLETE:
2405       element = EL_ENVELOPE_1;
2406       break;
2407
2408     case EL_SP_EMPTY:
2409       element = EL_EMPTY;
2410       break;
2411
2412     default:
2413       if (element >= NUM_FILE_ELEMENTS)
2414       {
2415         Warn("invalid level element %d", element);
2416
2417         element = EL_UNKNOWN;
2418       }
2419       break;
2420   }
2421
2422   return element;
2423 }
2424
2425 static int getMappedElementByVersion(int element, int game_version)
2426 {
2427   // remap some elements due to certain game version
2428
2429   if (game_version <= VERSION_IDENT(2,2,0,0))
2430   {
2431     // map game font elements
2432     element = (element == EL_CHAR('[')  ? EL_CHAR_AUMLAUT :
2433                element == EL_CHAR('\\') ? EL_CHAR_OUMLAUT :
2434                element == EL_CHAR(']')  ? EL_CHAR_UUMLAUT :
2435                element == EL_CHAR('^')  ? EL_CHAR_COPYRIGHT : element);
2436   }
2437
2438   if (game_version < VERSION_IDENT(3,0,0,0))
2439   {
2440     // map Supaplex gravity tube elements
2441     element = (element == EL_SP_GRAVITY_PORT_LEFT  ? EL_SP_PORT_LEFT  :
2442                element == EL_SP_GRAVITY_PORT_RIGHT ? EL_SP_PORT_RIGHT :
2443                element == EL_SP_GRAVITY_PORT_UP    ? EL_SP_PORT_UP    :
2444                element == EL_SP_GRAVITY_PORT_DOWN  ? EL_SP_PORT_DOWN  :
2445                element);
2446   }
2447
2448   return element;
2449 }
2450
2451 static int LoadLevel_VERS(File *file, int chunk_size, struct LevelInfo *level)
2452 {
2453   level->file_version = getFileVersion(file);
2454   level->game_version = getFileVersion(file);
2455
2456   return chunk_size;
2457 }
2458
2459 static int LoadLevel_DATE(File *file, int chunk_size, struct LevelInfo *level)
2460 {
2461   level->creation_date.year  = getFile16BitBE(file);
2462   level->creation_date.month = getFile8Bit(file);
2463   level->creation_date.day   = getFile8Bit(file);
2464
2465   level->creation_date.src   = DATE_SRC_LEVELFILE;
2466
2467   return chunk_size;
2468 }
2469
2470 static int LoadLevel_HEAD(File *file, int chunk_size, struct LevelInfo *level)
2471 {
2472   int initial_player_stepsize;
2473   int initial_player_gravity;
2474   int i, x, y;
2475
2476   level->fieldx = getFile8Bit(file);
2477   level->fieldy = getFile8Bit(file);
2478
2479   level->time           = getFile16BitBE(file);
2480   level->gems_needed    = getFile16BitBE(file);
2481
2482   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
2483     level->name[i] = getFile8Bit(file);
2484   level->name[MAX_LEVEL_NAME_LEN] = 0;
2485
2486   for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
2487     level->score[i] = getFile8Bit(file);
2488
2489   level->num_yamyam_contents = STD_ELEMENT_CONTENTS;
2490   for (i = 0; i < STD_ELEMENT_CONTENTS; i++)
2491     for (y = 0; y < 3; y++)
2492       for (x = 0; x < 3; x++)
2493         level->yamyam_content[i].e[x][y] = getMappedElement(getFile8Bit(file));
2494
2495   level->amoeba_speed           = getFile8Bit(file);
2496   level->time_magic_wall        = getFile8Bit(file);
2497   level->time_wheel             = getFile8Bit(file);
2498   level->amoeba_content         = getMappedElement(getFile8Bit(file));
2499
2500   initial_player_stepsize       = (getFile8Bit(file) == 1 ? STEPSIZE_FAST :
2501                                    STEPSIZE_NORMAL);
2502
2503   for (i = 0; i < MAX_PLAYERS; i++)
2504     level->initial_player_stepsize[i] = initial_player_stepsize;
2505
2506   initial_player_gravity        = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2507
2508   for (i = 0; i < MAX_PLAYERS; i++)
2509     level->initial_player_gravity[i] = initial_player_gravity;
2510
2511   level->encoding_16bit_field   = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2512   level->em_slippery_gems       = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2513
2514   level->use_custom_template    = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2515
2516   level->block_last_field       = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2517   level->sp_block_last_field    = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2518   level->can_move_into_acid_bits = getFile32BitBE(file);
2519   level->dont_collide_with_bits = getFile8Bit(file);
2520
2521   level->use_spring_bug         = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2522   level->use_step_counter       = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2523
2524   level->instant_relocation     = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2525   level->can_pass_to_walkable   = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2526   level->grow_into_diggable     = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2527
2528   level->game_engine_type       = getFile8Bit(file);
2529
2530   ReadUnusedBytesFromFile(file, LEVEL_CHUNK_HEAD_UNUSED);
2531
2532   return chunk_size;
2533 }
2534
2535 static int LoadLevel_NAME(File *file, int chunk_size, struct LevelInfo *level)
2536 {
2537   int i;
2538
2539   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
2540     level->name[i] = getFile8Bit(file);
2541   level->name[MAX_LEVEL_NAME_LEN] = 0;
2542
2543   return chunk_size;
2544 }
2545
2546 static int LoadLevel_AUTH(File *file, int chunk_size, struct LevelInfo *level)
2547 {
2548   int i;
2549
2550   for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++)
2551     level->author[i] = getFile8Bit(file);
2552   level->author[MAX_LEVEL_AUTHOR_LEN] = 0;
2553
2554   return chunk_size;
2555 }
2556
2557 static int LoadLevel_BODY(File *file, int chunk_size, struct LevelInfo *level)
2558 {
2559   int x, y;
2560   int chunk_size_expected = level->fieldx * level->fieldy;
2561
2562   /* Note: "chunk_size" was wrong before version 2.0 when elements are
2563      stored with 16-bit encoding (and should be twice as big then).
2564      Even worse, playfield data was stored 16-bit when only yamyam content
2565      contained 16-bit elements and vice versa. */
2566
2567   if (level->encoding_16bit_field && level->file_version >= FILE_VERSION_2_0)
2568     chunk_size_expected *= 2;
2569
2570   if (chunk_size_expected != chunk_size)
2571   {
2572     ReadUnusedBytesFromFile(file, chunk_size);
2573     return chunk_size_expected;
2574   }
2575
2576   for (y = 0; y < level->fieldy; y++)
2577     for (x = 0; x < level->fieldx; x++)
2578       level->field[x][y] =
2579         getMappedElement(level->encoding_16bit_field ? getFile16BitBE(file) :
2580                          getFile8Bit(file));
2581   return chunk_size;
2582 }
2583
2584 static int LoadLevel_CONT(File *file, int chunk_size, struct LevelInfo *level)
2585 {
2586   int i, x, y;
2587   int header_size = 4;
2588   int content_size = MAX_ELEMENT_CONTENTS * 3 * 3;
2589   int chunk_size_expected = header_size + content_size;
2590
2591   /* Note: "chunk_size" was wrong before version 2.0 when elements are
2592      stored with 16-bit encoding (and should be twice as big then).
2593      Even worse, playfield data was stored 16-bit when only yamyam content
2594      contained 16-bit elements and vice versa. */
2595
2596   if (level->encoding_16bit_field && level->file_version >= FILE_VERSION_2_0)
2597     chunk_size_expected += content_size;
2598
2599   if (chunk_size_expected != chunk_size)
2600   {
2601     ReadUnusedBytesFromFile(file, chunk_size);
2602     return chunk_size_expected;
2603   }
2604
2605   getFile8Bit(file);
2606   level->num_yamyam_contents = getFile8Bit(file);
2607   getFile8Bit(file);
2608   getFile8Bit(file);
2609
2610   // correct invalid number of content fields -- should never happen
2611   if (level->num_yamyam_contents < 1 ||
2612       level->num_yamyam_contents > MAX_ELEMENT_CONTENTS)
2613     level->num_yamyam_contents = STD_ELEMENT_CONTENTS;
2614
2615   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
2616     for (y = 0; y < 3; y++)
2617       for (x = 0; x < 3; x++)
2618         level->yamyam_content[i].e[x][y] =
2619           getMappedElement(level->encoding_16bit_field ?
2620                            getFile16BitBE(file) : getFile8Bit(file));
2621   return chunk_size;
2622 }
2623
2624 static int LoadLevel_CNT2(File *file, int chunk_size, struct LevelInfo *level)
2625 {
2626   int i, x, y;
2627   int element;
2628   int num_contents;
2629   int content_array[MAX_ELEMENT_CONTENTS][3][3];
2630
2631   element = getMappedElement(getFile16BitBE(file));
2632   num_contents = getFile8Bit(file);
2633
2634   getFile8Bit(file);    // content x size (unused)
2635   getFile8Bit(file);    // content y size (unused)
2636
2637   ReadUnusedBytesFromFile(file, LEVEL_CHUNK_CNT2_UNUSED);
2638
2639   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
2640     for (y = 0; y < 3; y++)
2641       for (x = 0; x < 3; x++)
2642         content_array[i][x][y] = getMappedElement(getFile16BitBE(file));
2643
2644   // correct invalid number of content fields -- should never happen
2645   if (num_contents < 1 || num_contents > MAX_ELEMENT_CONTENTS)
2646     num_contents = STD_ELEMENT_CONTENTS;
2647
2648   if (element == EL_YAMYAM)
2649   {
2650     level->num_yamyam_contents = num_contents;
2651
2652     for (i = 0; i < num_contents; i++)
2653       for (y = 0; y < 3; y++)
2654         for (x = 0; x < 3; x++)
2655           level->yamyam_content[i].e[x][y] = content_array[i][x][y];
2656   }
2657   else if (element == EL_BD_AMOEBA)
2658   {
2659     level->amoeba_content = content_array[0][0][0];
2660   }
2661   else
2662   {
2663     Warn("cannot load content for element '%d'", element);
2664   }
2665
2666   return chunk_size;
2667 }
2668
2669 static int LoadLevel_CNT3(File *file, int chunk_size, struct LevelInfo *level)
2670 {
2671   int i;
2672   int element;
2673   int envelope_nr;
2674   int envelope_len;
2675   int chunk_size_expected;
2676
2677   element = getMappedElement(getFile16BitBE(file));
2678   if (!IS_ENVELOPE(element))
2679     element = EL_ENVELOPE_1;
2680
2681   envelope_nr = element - EL_ENVELOPE_1;
2682
2683   envelope_len = getFile16BitBE(file);
2684
2685   level->envelope[envelope_nr].xsize = getFile8Bit(file);
2686   level->envelope[envelope_nr].ysize = getFile8Bit(file);
2687
2688   ReadUnusedBytesFromFile(file, LEVEL_CHUNK_CNT3_UNUSED);
2689
2690   chunk_size_expected = LEVEL_CHUNK_CNT3_SIZE(envelope_len);
2691   if (chunk_size_expected != chunk_size)
2692   {
2693     ReadUnusedBytesFromFile(file, chunk_size - LEVEL_CHUNK_CNT3_HEADER);
2694     return chunk_size_expected;
2695   }
2696
2697   for (i = 0; i < envelope_len; i++)
2698     level->envelope[envelope_nr].text[i] = getFile8Bit(file);
2699
2700   return chunk_size;
2701 }
2702
2703 static int LoadLevel_CUS1(File *file, int chunk_size, struct LevelInfo *level)
2704 {
2705   int num_changed_custom_elements = getFile16BitBE(file);
2706   int chunk_size_expected = 2 + num_changed_custom_elements * 6;
2707   int i;
2708
2709   if (chunk_size_expected != chunk_size)
2710   {
2711     ReadUnusedBytesFromFile(file, chunk_size - 2);
2712     return chunk_size_expected;
2713   }
2714
2715   for (i = 0; i < num_changed_custom_elements; i++)
2716   {
2717     int element = getMappedElement(getFile16BitBE(file));
2718     int properties = getFile32BitBE(file);
2719
2720     if (IS_CUSTOM_ELEMENT(element))
2721       element_info[element].properties[EP_BITFIELD_BASE_NR] = properties;
2722     else
2723       Warn("invalid custom element number %d", element);
2724
2725     // older game versions that wrote level files with CUS1 chunks used
2726     // different default push delay values (not yet stored in level file)
2727     element_info[element].push_delay_fixed = 2;
2728     element_info[element].push_delay_random = 8;
2729   }
2730
2731   level->file_has_custom_elements = TRUE;
2732
2733   return chunk_size;
2734 }
2735
2736 static int LoadLevel_CUS2(File *file, int chunk_size, struct LevelInfo *level)
2737 {
2738   int num_changed_custom_elements = getFile16BitBE(file);
2739   int chunk_size_expected = 2 + num_changed_custom_elements * 4;
2740   int i;
2741
2742   if (chunk_size_expected != chunk_size)
2743   {
2744     ReadUnusedBytesFromFile(file, chunk_size - 2);
2745     return chunk_size_expected;
2746   }
2747
2748   for (i = 0; i < num_changed_custom_elements; i++)
2749   {
2750     int element = getMappedElement(getFile16BitBE(file));
2751     int custom_target_element = getMappedElement(getFile16BitBE(file));
2752
2753     if (IS_CUSTOM_ELEMENT(element))
2754       element_info[element].change->target_element = custom_target_element;
2755     else
2756       Warn("invalid custom element number %d", element);
2757   }
2758
2759   level->file_has_custom_elements = TRUE;
2760
2761   return chunk_size;
2762 }
2763
2764 static int LoadLevel_CUS3(File *file, int chunk_size, struct LevelInfo *level)
2765 {
2766   int num_changed_custom_elements = getFile16BitBE(file);
2767   int chunk_size_expected = LEVEL_CHUNK_CUS3_SIZE(num_changed_custom_elements);
2768   int i, j, x, y;
2769
2770   if (chunk_size_expected != chunk_size)
2771   {
2772     ReadUnusedBytesFromFile(file, chunk_size - 2);
2773     return chunk_size_expected;
2774   }
2775
2776   for (i = 0; i < num_changed_custom_elements; i++)
2777   {
2778     int element = getMappedElement(getFile16BitBE(file));
2779     struct ElementInfo *ei = &element_info[element];
2780     unsigned int event_bits;
2781
2782     if (!IS_CUSTOM_ELEMENT(element))
2783     {
2784       Warn("invalid custom element number %d", element);
2785
2786       element = EL_INTERNAL_DUMMY;
2787     }
2788
2789     for (j = 0; j < MAX_ELEMENT_NAME_LEN; j++)
2790       ei->description[j] = getFile8Bit(file);
2791     ei->description[MAX_ELEMENT_NAME_LEN] = 0;
2792
2793     ei->properties[EP_BITFIELD_BASE_NR] = getFile32BitBE(file);
2794
2795     // some free bytes for future properties and padding
2796     ReadUnusedBytesFromFile(file, 7);
2797
2798     ei->use_gfx_element = getFile8Bit(file);
2799     ei->gfx_element_initial = getMappedElement(getFile16BitBE(file));
2800
2801     ei->collect_score_initial = getFile8Bit(file);
2802     ei->collect_count_initial = getFile8Bit(file);
2803
2804     ei->push_delay_fixed = getFile16BitBE(file);
2805     ei->push_delay_random = getFile16BitBE(file);
2806     ei->move_delay_fixed = getFile16BitBE(file);
2807     ei->move_delay_random = getFile16BitBE(file);
2808
2809     ei->move_pattern = getFile16BitBE(file);
2810     ei->move_direction_initial = getFile8Bit(file);
2811     ei->move_stepsize = getFile8Bit(file);
2812
2813     for (y = 0; y < 3; y++)
2814       for (x = 0; x < 3; x++)
2815         ei->content.e[x][y] = getMappedElement(getFile16BitBE(file));
2816
2817     event_bits = getFile32BitBE(file);
2818     for (j = 0; j < NUM_CHANGE_EVENTS; j++)
2819       if (event_bits & (1 << j))
2820         ei->change->has_event[j] = TRUE;
2821
2822     ei->change->target_element = getMappedElement(getFile16BitBE(file));
2823
2824     ei->change->delay_fixed = getFile16BitBE(file);
2825     ei->change->delay_random = getFile16BitBE(file);
2826     ei->change->delay_frames = getFile16BitBE(file);
2827
2828     ei->change->initial_trigger_element= getMappedElement(getFile16BitBE(file));
2829
2830     ei->change->explode = getFile8Bit(file);
2831     ei->change->use_target_content = getFile8Bit(file);
2832     ei->change->only_if_complete = getFile8Bit(file);
2833     ei->change->use_random_replace = getFile8Bit(file);
2834
2835     ei->change->random_percentage = getFile8Bit(file);
2836     ei->change->replace_when = getFile8Bit(file);
2837
2838     for (y = 0; y < 3; y++)
2839       for (x = 0; x < 3; x++)
2840         ei->change->target_content.e[x][y] =
2841           getMappedElement(getFile16BitBE(file));
2842
2843     ei->slippery_type = getFile8Bit(file);
2844
2845     // some free bytes for future properties and padding
2846     ReadUnusedBytesFromFile(file, LEVEL_CPART_CUS3_UNUSED);
2847
2848     // mark that this custom element has been modified
2849     ei->modified_settings = TRUE;
2850   }
2851
2852   level->file_has_custom_elements = TRUE;
2853
2854   return chunk_size;
2855 }
2856
2857 static int LoadLevel_CUS4(File *file, int chunk_size, struct LevelInfo *level)
2858 {
2859   struct ElementInfo *ei;
2860   int chunk_size_expected;
2861   int element;
2862   int i, j, x, y;
2863
2864   // ---------- custom element base property values (96 bytes) ----------------
2865
2866   element = getMappedElement(getFile16BitBE(file));
2867
2868   if (!IS_CUSTOM_ELEMENT(element))
2869   {
2870     Warn("invalid custom element number %d", element);
2871
2872     ReadUnusedBytesFromFile(file, chunk_size - 2);
2873
2874     return chunk_size;
2875   }
2876
2877   ei = &element_info[element];
2878
2879   for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
2880     ei->description[i] = getFile8Bit(file);
2881   ei->description[MAX_ELEMENT_NAME_LEN] = 0;
2882
2883   ei->properties[EP_BITFIELD_BASE_NR] = getFile32BitBE(file);
2884
2885   ReadUnusedBytesFromFile(file, 4);     // reserved for more base properties
2886
2887   ei->num_change_pages = getFile8Bit(file);
2888
2889   chunk_size_expected = LEVEL_CHUNK_CUS4_SIZE(ei->num_change_pages);
2890   if (chunk_size_expected != chunk_size)
2891   {
2892     ReadUnusedBytesFromFile(file, chunk_size - 43);
2893     return chunk_size_expected;
2894   }
2895
2896   ei->ce_value_fixed_initial = getFile16BitBE(file);
2897   ei->ce_value_random_initial = getFile16BitBE(file);
2898   ei->use_last_ce_value = getFile8Bit(file);
2899
2900   ei->use_gfx_element = getFile8Bit(file);
2901   ei->gfx_element_initial = getMappedElement(getFile16BitBE(file));
2902
2903   ei->collect_score_initial = getFile8Bit(file);
2904   ei->collect_count_initial = getFile8Bit(file);
2905
2906   ei->drop_delay_fixed = getFile8Bit(file);
2907   ei->push_delay_fixed = getFile8Bit(file);
2908   ei->drop_delay_random = getFile8Bit(file);
2909   ei->push_delay_random = getFile8Bit(file);
2910   ei->move_delay_fixed = getFile16BitBE(file);
2911   ei->move_delay_random = getFile16BitBE(file);
2912
2913   // bits 0 - 15 of "move_pattern" ...
2914   ei->move_pattern = getFile16BitBE(file);
2915   ei->move_direction_initial = getFile8Bit(file);
2916   ei->move_stepsize = getFile8Bit(file);
2917
2918   ei->slippery_type = getFile8Bit(file);
2919
2920   for (y = 0; y < 3; y++)
2921     for (x = 0; x < 3; x++)
2922       ei->content.e[x][y] = getMappedElement(getFile16BitBE(file));
2923
2924   ei->move_enter_element = getMappedElement(getFile16BitBE(file));
2925   ei->move_leave_element = getMappedElement(getFile16BitBE(file));
2926   ei->move_leave_type = getFile8Bit(file);
2927
2928   // ... bits 16 - 31 of "move_pattern" (not nice, but downward compatible)
2929   ei->move_pattern |= (getFile16BitBE(file) << 16);
2930
2931   ei->access_direction = getFile8Bit(file);
2932
2933   ei->explosion_delay = getFile8Bit(file);
2934   ei->ignition_delay = getFile8Bit(file);
2935   ei->explosion_type = getFile8Bit(file);
2936
2937   // some free bytes for future custom property values and padding
2938   ReadUnusedBytesFromFile(file, 1);
2939
2940   // ---------- change page property values (48 bytes) ------------------------
2941
2942   setElementChangePages(ei, ei->num_change_pages);
2943
2944   for (i = 0; i < ei->num_change_pages; i++)
2945   {
2946     struct ElementChangeInfo *change = &ei->change_page[i];
2947     unsigned int event_bits;
2948
2949     // always start with reliable default values
2950     setElementChangeInfoToDefaults(change);
2951
2952     // bits 0 - 31 of "has_event[]" ...
2953     event_bits = getFile32BitBE(file);
2954     for (j = 0; j < MIN(NUM_CHANGE_EVENTS, 32); j++)
2955       if (event_bits & (1 << j))
2956         change->has_event[j] = TRUE;
2957
2958     change->target_element = getMappedElement(getFile16BitBE(file));
2959
2960     change->delay_fixed = getFile16BitBE(file);
2961     change->delay_random = getFile16BitBE(file);
2962     change->delay_frames = getFile16BitBE(file);
2963
2964     change->initial_trigger_element = getMappedElement(getFile16BitBE(file));
2965
2966     change->explode = getFile8Bit(file);
2967     change->use_target_content = getFile8Bit(file);
2968     change->only_if_complete = getFile8Bit(file);
2969     change->use_random_replace = getFile8Bit(file);
2970
2971     change->random_percentage = getFile8Bit(file);
2972     change->replace_when = getFile8Bit(file);
2973
2974     for (y = 0; y < 3; y++)
2975       for (x = 0; x < 3; x++)
2976         change->target_content.e[x][y]= getMappedElement(getFile16BitBE(file));
2977
2978     change->can_change = getFile8Bit(file);
2979
2980     change->trigger_side = getFile8Bit(file);
2981
2982     change->trigger_player = getFile8Bit(file);
2983     change->trigger_page = getFile8Bit(file);
2984
2985     change->trigger_page = (change->trigger_page == CH_PAGE_ANY_FILE ?
2986                             CH_PAGE_ANY : (1 << change->trigger_page));
2987
2988     change->has_action = getFile8Bit(file);
2989     change->action_type = getFile8Bit(file);
2990     change->action_mode = getFile8Bit(file);
2991     change->action_arg = getFile16BitBE(file);
2992
2993     // ... bits 32 - 39 of "has_event[]" (not nice, but downward compatible)
2994     event_bits = getFile8Bit(file);
2995     for (j = 32; j < NUM_CHANGE_EVENTS; j++)
2996       if (event_bits & (1 << (j - 32)))
2997         change->has_event[j] = TRUE;
2998   }
2999
3000   // mark this custom element as modified
3001   ei->modified_settings = TRUE;
3002
3003   level->file_has_custom_elements = TRUE;
3004
3005   return chunk_size;
3006 }
3007
3008 static int LoadLevel_GRP1(File *file, int chunk_size, struct LevelInfo *level)
3009 {
3010   struct ElementInfo *ei;
3011   struct ElementGroupInfo *group;
3012   int element;
3013   int i;
3014
3015   element = getMappedElement(getFile16BitBE(file));
3016
3017   if (!IS_GROUP_ELEMENT(element))
3018   {
3019     Warn("invalid group element number %d", element);
3020
3021     ReadUnusedBytesFromFile(file, chunk_size - 2);
3022
3023     return chunk_size;
3024   }
3025
3026   ei = &element_info[element];
3027
3028   for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
3029     ei->description[i] = getFile8Bit(file);
3030   ei->description[MAX_ELEMENT_NAME_LEN] = 0;
3031
3032   group = element_info[element].group;
3033
3034   group->num_elements = getFile8Bit(file);
3035
3036   ei->use_gfx_element = getFile8Bit(file);
3037   ei->gfx_element_initial = getMappedElement(getFile16BitBE(file));
3038
3039   group->choice_mode = getFile8Bit(file);
3040
3041   // some free bytes for future values and padding
3042   ReadUnusedBytesFromFile(file, 3);
3043
3044   for (i = 0; i < MAX_ELEMENTS_IN_GROUP; i++)
3045     group->element[i] = getMappedElement(getFile16BitBE(file));
3046
3047   // mark this group element as modified
3048   element_info[element].modified_settings = TRUE;
3049
3050   level->file_has_custom_elements = TRUE;
3051
3052   return chunk_size;
3053 }
3054
3055 static int LoadLevel_MicroChunk(File *file, struct LevelFileConfigInfo *conf,
3056                                 int element, int real_element)
3057 {
3058   int micro_chunk_size = 0;
3059   int conf_type = getFile8Bit(file);
3060   int byte_mask = conf_type & CONF_MASK_BYTES;
3061   boolean element_found = FALSE;
3062   int i;
3063
3064   micro_chunk_size += 1;
3065
3066   if (byte_mask == CONF_MASK_MULTI_BYTES)
3067   {
3068     int num_bytes = getFile16BitBE(file);
3069     byte *buffer = checked_malloc(num_bytes);
3070
3071     ReadBytesFromFile(file, buffer, num_bytes);
3072
3073     for (i = 0; conf[i].data_type != -1; i++)
3074     {
3075       if (conf[i].element == element &&
3076           conf[i].conf_type == conf_type)
3077       {
3078         int data_type = conf[i].data_type;
3079         int num_entities = num_bytes / CONF_ENTITY_NUM_BYTES(data_type);
3080         int max_num_entities = conf[i].max_num_entities;
3081
3082         if (num_entities > max_num_entities)
3083         {
3084           Warn("truncating number of entities for element %d from %d to %d",
3085                element, num_entities, max_num_entities);
3086
3087           num_entities = max_num_entities;
3088         }
3089
3090         if (num_entities == 0 && (data_type == TYPE_ELEMENT_LIST ||
3091                                   data_type == TYPE_CONTENT_LIST))
3092         {
3093           // for element and content lists, zero entities are not allowed
3094           Warn("found empty list of entities for element %d", element);
3095
3096           // do not set "num_entities" here to prevent reading behind buffer
3097
3098           *(int *)(conf[i].num_entities) = 1;   // at least one is required
3099         }
3100         else
3101         {
3102           *(int *)(conf[i].num_entities) = num_entities;
3103         }
3104
3105         element_found = TRUE;
3106
3107         if (data_type == TYPE_STRING)
3108         {
3109           char *string = (char *)(conf[i].value);
3110           int j;
3111
3112           for (j = 0; j < max_num_entities; j++)
3113             string[j] = (j < num_entities ? buffer[j] : '\0');
3114         }
3115         else if (data_type == TYPE_ELEMENT_LIST)
3116         {
3117           int *element_array = (int *)(conf[i].value);
3118           int j;
3119
3120           for (j = 0; j < num_entities; j++)
3121             element_array[j] =
3122               getMappedElement(CONF_ELEMENTS_ELEMENT(buffer, j));
3123         }
3124         else if (data_type == TYPE_CONTENT_LIST)
3125         {
3126           struct Content *content= (struct Content *)(conf[i].value);
3127           int c, x, y;
3128
3129           for (c = 0; c < num_entities; c++)
3130             for (y = 0; y < 3; y++)
3131               for (x = 0; x < 3; x++)
3132                 content[c].e[x][y] =
3133                   getMappedElement(CONF_CONTENTS_ELEMENT(buffer, c, x, y));
3134         }
3135         else
3136           element_found = FALSE;
3137
3138         break;
3139       }
3140     }
3141
3142     checked_free(buffer);
3143
3144     micro_chunk_size += 2 + num_bytes;
3145   }
3146   else          // constant size configuration data (1, 2 or 4 bytes)
3147   {
3148     int value = (byte_mask == CONF_MASK_1_BYTE ? getFile8Bit   (file) :
3149                  byte_mask == CONF_MASK_2_BYTE ? getFile16BitBE(file) :
3150                  byte_mask == CONF_MASK_4_BYTE ? getFile32BitBE(file) : 0);
3151
3152     for (i = 0; conf[i].data_type != -1; i++)
3153     {
3154       if (conf[i].element == element &&
3155           conf[i].conf_type == conf_type)
3156       {
3157         int data_type = conf[i].data_type;
3158
3159         if (data_type == TYPE_ELEMENT)
3160           value = getMappedElement(value);
3161
3162         if (data_type == TYPE_BOOLEAN)
3163           *(boolean *)(conf[i].value) = value;
3164         else
3165           *(int *)    (conf[i].value) = value;
3166
3167         element_found = TRUE;
3168
3169         break;
3170       }
3171     }
3172
3173     micro_chunk_size += CONF_VALUE_NUM_BYTES(byte_mask);
3174   }
3175
3176   if (!element_found)
3177   {
3178     char *error_conf_chunk_bytes =
3179       (byte_mask == CONF_MASK_1_BYTE ? "CONF_VALUE_8_BIT" :
3180        byte_mask == CONF_MASK_2_BYTE ? "CONF_VALUE_16_BIT" :
3181        byte_mask == CONF_MASK_4_BYTE ? "CONF_VALUE_32_BIT" :"CONF_VALUE_BYTES");
3182     int error_conf_chunk_token = conf_type & CONF_MASK_TOKEN;
3183     int error_element = real_element;
3184
3185     Warn("cannot load micro chunk '%s(%d)' value for element %d ['%s']",
3186          error_conf_chunk_bytes, error_conf_chunk_token,
3187          error_element, EL_NAME(error_element));
3188   }
3189
3190   return micro_chunk_size;
3191 }
3192
3193 static int LoadLevel_INFO(File *file, int chunk_size, struct LevelInfo *level)
3194 {
3195   int real_chunk_size = 0;
3196
3197   li = *level;          // copy level data into temporary buffer
3198
3199   while (!checkEndOfFile(file))
3200   {
3201     real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_INFO, -1, -1);
3202
3203     if (real_chunk_size >= chunk_size)
3204       break;
3205   }
3206
3207   *level = li;          // copy temporary buffer back to level data
3208
3209   return real_chunk_size;
3210 }
3211
3212 static int LoadLevel_CONF(File *file, int chunk_size, struct LevelInfo *level)
3213 {
3214   int real_chunk_size = 0;
3215
3216   li = *level;          // copy level data into temporary buffer
3217
3218   while (!checkEndOfFile(file))
3219   {
3220     int element = getMappedElement(getFile16BitBE(file));
3221
3222     real_chunk_size += 2;
3223     real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CONF,
3224                                             element, element);
3225     if (real_chunk_size >= chunk_size)
3226       break;
3227   }
3228
3229   *level = li;          // copy temporary buffer back to level data
3230
3231   return real_chunk_size;
3232 }
3233
3234 static int LoadLevel_ELEM(File *file, int chunk_size, struct LevelInfo *level)
3235 {
3236   int real_chunk_size = 0;
3237
3238   li = *level;          // copy level data into temporary buffer
3239
3240   while (!checkEndOfFile(file))
3241   {
3242     int element = getMappedElement(getFile16BitBE(file));
3243
3244     real_chunk_size += 2;
3245     real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_ELEM,
3246                                             element, element);
3247     if (real_chunk_size >= chunk_size)
3248       break;
3249   }
3250
3251   *level = li;          // copy temporary buffer back to level data
3252
3253   return real_chunk_size;
3254 }
3255
3256 static int LoadLevel_NOTE(File *file, int chunk_size, struct LevelInfo *level)
3257 {
3258   int element = getMappedElement(getFile16BitBE(file));
3259   int envelope_nr = element - EL_ENVELOPE_1;
3260   int real_chunk_size = 2;
3261
3262   xx_envelope = level->envelope[envelope_nr];   // copy into temporary buffer
3263
3264   while (!checkEndOfFile(file))
3265   {
3266     real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_NOTE,
3267                                             -1, element);
3268
3269     if (real_chunk_size >= chunk_size)
3270       break;
3271   }
3272
3273   level->envelope[envelope_nr] = xx_envelope;   // copy from temporary buffer
3274
3275   return real_chunk_size;
3276 }
3277
3278 static int LoadLevel_CUSX(File *file, int chunk_size, struct LevelInfo *level)
3279 {
3280   int element = getMappedElement(getFile16BitBE(file));
3281   int real_chunk_size = 2;
3282   struct ElementInfo *ei = &element_info[element];
3283   int i;
3284
3285   xx_ei = *ei;          // copy element data into temporary buffer
3286
3287   xx_ei.num_change_pages = -1;
3288
3289   while (!checkEndOfFile(file))
3290   {
3291     real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CUSX_base,
3292                                             -1, element);
3293     if (xx_ei.num_change_pages != -1)
3294       break;
3295
3296     if (real_chunk_size >= chunk_size)
3297       break;
3298   }
3299
3300   *ei = xx_ei;
3301
3302   if (ei->num_change_pages == -1)
3303   {
3304     Warn("LoadLevel_CUSX(): missing 'num_change_pages' for '%s'",
3305          EL_NAME(element));
3306
3307     ei->num_change_pages = 1;
3308
3309     setElementChangePages(ei, 1);
3310     setElementChangeInfoToDefaults(ei->change);
3311
3312     return real_chunk_size;
3313   }
3314
3315   // initialize number of change pages stored for this custom element
3316   setElementChangePages(ei, ei->num_change_pages);
3317   for (i = 0; i < ei->num_change_pages; i++)
3318     setElementChangeInfoToDefaults(&ei->change_page[i]);
3319
3320   // start with reading properties for the first change page
3321   xx_current_change_page = 0;
3322
3323   while (!checkEndOfFile(file))
3324   {
3325     struct ElementChangeInfo *change = &ei->change_page[xx_current_change_page];
3326
3327     xx_change = *change;        // copy change data into temporary buffer
3328
3329     resetEventBits();           // reset bits; change page might have changed
3330
3331     real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CUSX_change,
3332                                             -1, element);
3333
3334     *change = xx_change;
3335
3336     setEventFlagsFromEventBits(change);
3337
3338     if (real_chunk_size >= chunk_size)
3339       break;
3340   }
3341
3342   level->file_has_custom_elements = TRUE;
3343
3344   return real_chunk_size;
3345 }
3346
3347 static int LoadLevel_GRPX(File *file, int chunk_size, struct LevelInfo *level)
3348 {
3349   int element = getMappedElement(getFile16BitBE(file));
3350   int real_chunk_size = 2;
3351   struct ElementInfo *ei = &element_info[element];
3352   struct ElementGroupInfo *group = ei->group;
3353
3354   xx_ei = *ei;          // copy element data into temporary buffer
3355   xx_group = *group;    // copy group data into temporary buffer
3356
3357   while (!checkEndOfFile(file))
3358   {
3359     real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_GRPX,
3360                                             -1, element);
3361
3362     if (real_chunk_size >= chunk_size)
3363       break;
3364   }
3365
3366   *ei = xx_ei;
3367   *group = xx_group;
3368
3369   level->file_has_custom_elements = TRUE;
3370
3371   return real_chunk_size;
3372 }
3373
3374 static void LoadLevelFromFileInfo_RND(struct LevelInfo *level,
3375                                       struct LevelFileInfo *level_file_info,
3376                                       boolean level_info_only)
3377 {
3378   char *filename = level_file_info->filename;
3379   char cookie[MAX_LINE_LEN];
3380   char chunk_name[CHUNK_ID_LEN + 1];
3381   int chunk_size;
3382   File *file;
3383
3384   if (!(file = openFile(filename, MODE_READ)))
3385   {
3386     level->no_valid_file = TRUE;
3387     level->no_level_file = TRUE;
3388
3389     if (level_info_only)
3390       return;
3391
3392     Warn("cannot read level '%s' -- using empty level", filename);
3393
3394     if (!setup.editor.use_template_for_new_levels)
3395       return;
3396
3397     // if level file not found, try to initialize level data from template
3398     filename = getGlobalLevelTemplateFilename();
3399
3400     if (!(file = openFile(filename, MODE_READ)))
3401       return;
3402
3403     // default: for empty levels, use level template for custom elements
3404     level->use_custom_template = TRUE;
3405
3406     level->no_valid_file = FALSE;
3407   }
3408
3409   getFileChunkBE(file, chunk_name, NULL);
3410   if (strEqual(chunk_name, "RND1"))
3411   {
3412     getFile32BitBE(file);               // not used
3413
3414     getFileChunkBE(file, chunk_name, NULL);
3415     if (!strEqual(chunk_name, "CAVE"))
3416     {
3417       level->no_valid_file = TRUE;
3418
3419       Warn("unknown format of level file '%s'", filename);
3420
3421       closeFile(file);
3422
3423       return;
3424     }
3425   }
3426   else  // check for pre-2.0 file format with cookie string
3427   {
3428     strcpy(cookie, chunk_name);
3429     if (getStringFromFile(file, &cookie[4], MAX_LINE_LEN - 4) == NULL)
3430       cookie[4] = '\0';
3431     if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
3432       cookie[strlen(cookie) - 1] = '\0';
3433
3434     if (!checkCookieString(cookie, LEVEL_COOKIE_TMPL))
3435     {
3436       level->no_valid_file = TRUE;
3437
3438       Warn("unknown format of level file '%s'", filename);
3439
3440       closeFile(file);
3441
3442       return;
3443     }
3444
3445     if ((level->file_version = getFileVersionFromCookieString(cookie)) == -1)
3446     {
3447       level->no_valid_file = TRUE;
3448
3449       Warn("unsupported version of level file '%s'", filename);
3450
3451       closeFile(file);
3452
3453       return;
3454     }
3455
3456     // pre-2.0 level files have no game version, so use file version here
3457     level->game_version = level->file_version;
3458   }
3459
3460   if (level->file_version < FILE_VERSION_1_2)
3461   {
3462     // level files from versions before 1.2.0 without chunk structure
3463     LoadLevel_HEAD(file, LEVEL_CHUNK_HEAD_SIZE,         level);
3464     LoadLevel_BODY(file, level->fieldx * level->fieldy, level);
3465   }
3466   else
3467   {
3468     static struct
3469     {
3470       char *name;
3471       int size;
3472       int (*loader)(File *, int, struct LevelInfo *);
3473     }
3474     chunk_info[] =
3475     {
3476       { "VERS", LEVEL_CHUNK_VERS_SIZE,  LoadLevel_VERS },
3477       { "DATE", LEVEL_CHUNK_DATE_SIZE,  LoadLevel_DATE },
3478       { "HEAD", LEVEL_CHUNK_HEAD_SIZE,  LoadLevel_HEAD },
3479       { "NAME", LEVEL_CHUNK_NAME_SIZE,  LoadLevel_NAME },
3480       { "AUTH", LEVEL_CHUNK_AUTH_SIZE,  LoadLevel_AUTH },
3481       { "INFO", -1,                     LoadLevel_INFO },
3482       { "BODY", -1,                     LoadLevel_BODY },
3483       { "CONT", -1,                     LoadLevel_CONT },
3484       { "CNT2", LEVEL_CHUNK_CNT2_SIZE,  LoadLevel_CNT2 },
3485       { "CNT3", -1,                     LoadLevel_CNT3 },
3486       { "CUS1", -1,                     LoadLevel_CUS1 },
3487       { "CUS2", -1,                     LoadLevel_CUS2 },
3488       { "CUS3", -1,                     LoadLevel_CUS3 },
3489       { "CUS4", -1,                     LoadLevel_CUS4 },
3490       { "GRP1", -1,                     LoadLevel_GRP1 },
3491       { "CONF", -1,                     LoadLevel_CONF },
3492       { "ELEM", -1,                     LoadLevel_ELEM },
3493       { "NOTE", -1,                     LoadLevel_NOTE },
3494       { "CUSX", -1,                     LoadLevel_CUSX },
3495       { "GRPX", -1,                     LoadLevel_GRPX },
3496
3497       {  NULL,  0,                      NULL }
3498     };
3499
3500     while (getFileChunkBE(file, chunk_name, &chunk_size))
3501     {
3502       int i = 0;
3503
3504       while (chunk_info[i].name != NULL &&
3505              !strEqual(chunk_name, chunk_info[i].name))
3506         i++;
3507
3508       if (chunk_info[i].name == NULL)
3509       {
3510         Warn("unknown chunk '%s' in level file '%s'",
3511              chunk_name, filename);
3512
3513         ReadUnusedBytesFromFile(file, chunk_size);
3514       }
3515       else if (chunk_info[i].size != -1 &&
3516                chunk_info[i].size != chunk_size)
3517       {
3518         Warn("wrong size (%d) of chunk '%s' in level file '%s'",
3519              chunk_size, chunk_name, filename);
3520
3521         ReadUnusedBytesFromFile(file, chunk_size);
3522       }
3523       else
3524       {
3525         // call function to load this level chunk
3526         int chunk_size_expected =
3527           (chunk_info[i].loader)(file, chunk_size, level);
3528
3529         // the size of some chunks cannot be checked before reading other
3530         // chunks first (like "HEAD" and "BODY") that contain some header
3531         // information, so check them here
3532         if (chunk_size_expected != chunk_size)
3533         {
3534           Warn("wrong size (%d) of chunk '%s' in level file '%s'",
3535                chunk_size, chunk_name, filename);
3536         }
3537       }
3538     }
3539   }
3540
3541   closeFile(file);
3542 }
3543
3544
3545 // ----------------------------------------------------------------------------
3546 // functions for loading EM level
3547 // ----------------------------------------------------------------------------
3548
3549 static void CopyNativeLevel_RND_to_EM(struct LevelInfo *level)
3550 {
3551   static int ball_xy[8][2] =
3552   {
3553     { 0, 0 },
3554     { 1, 0 },
3555     { 2, 0 },
3556     { 0, 1 },
3557     { 2, 1 },
3558     { 0, 2 },
3559     { 1, 2 },
3560     { 2, 2 },
3561   };
3562   struct LevelInfo_EM *level_em = level->native_em_level;
3563   struct CAVE *cav = level_em->cav;
3564   int i, j, x, y;
3565
3566   cav->width  = MIN(level->fieldx, MAX_PLAYFIELD_WIDTH);
3567   cav->height = MIN(level->fieldy, MAX_PLAYFIELD_HEIGHT);
3568
3569   cav->time_seconds     = level->time;
3570   cav->gems_needed      = level->gems_needed;
3571
3572   cav->emerald_score    = level->score[SC_EMERALD];
3573   cav->diamond_score    = level->score[SC_DIAMOND];
3574   cav->alien_score      = level->score[SC_ROBOT];
3575   cav->tank_score       = level->score[SC_SPACESHIP];
3576   cav->bug_score        = level->score[SC_BUG];
3577   cav->eater_score      = level->score[SC_YAMYAM];
3578   cav->nut_score        = level->score[SC_NUT];
3579   cav->dynamite_score   = level->score[SC_DYNAMITE];
3580   cav->key_score        = level->score[SC_KEY];
3581   cav->exit_score       = level->score[SC_TIME_BONUS];
3582
3583   cav->num_eater_arrays = level->num_yamyam_contents;
3584
3585   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
3586     for (y = 0; y < 3; y++)
3587       for (x = 0; x < 3; x++)
3588         cav->eater_array[i][y * 3 + x] =
3589           map_element_RND_to_EM_cave(level->yamyam_content[i].e[x][y]);
3590
3591   cav->amoeba_time              = level->amoeba_speed;
3592   cav->wonderwall_time          = level->time_magic_wall;
3593   cav->wheel_time               = level->time_wheel;
3594
3595   cav->android_move_time        = level->android_move_time;
3596   cav->android_clone_time       = level->android_clone_time;
3597   cav->ball_random              = level->ball_random;
3598   cav->ball_active              = level->ball_active_initial;
3599   cav->ball_time                = level->ball_time;
3600   cav->num_ball_arrays          = level->num_ball_contents;
3601
3602   cav->lenses_score             = level->lenses_score;
3603   cav->magnify_score            = level->magnify_score;
3604   cav->slurp_score              = level->slurp_score;
3605
3606   cav->lenses_time              = level->lenses_time;
3607   cav->magnify_time             = level->magnify_time;
3608
3609   cav->wind_direction =
3610     map_direction_RND_to_EM(level->wind_direction_initial);
3611
3612   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
3613     for (j = 0; j < 8; j++)
3614       cav->ball_array[i][j] =
3615         map_element_RND_to_EM_cave(level->ball_content[i].
3616                                    e[ball_xy[j][0]][ball_xy[j][1]]);
3617
3618   map_android_clone_elements_RND_to_EM(level);
3619
3620   // first fill the complete playfield with the empty space element
3621   for (y = 0; y < EM_MAX_CAVE_HEIGHT; y++)
3622     for (x = 0; x < EM_MAX_CAVE_WIDTH; x++)
3623       cav->cave[x][y] = Cblank;
3624
3625   // then copy the real level contents from level file into the playfield
3626   for (y = 0; y < cav->height; y++) for (x = 0; x < cav->width; x++)
3627   {
3628     int new_element = map_element_RND_to_EM_cave(level->field[x][y]);
3629
3630     if (level->field[x][y] == EL_AMOEBA_DEAD)
3631       new_element = map_element_RND_to_EM_cave(EL_AMOEBA_WET);
3632
3633     cav->cave[x][y] = new_element;
3634   }
3635
3636   for (i = 0; i < MAX_PLAYERS; i++)
3637   {
3638     cav->player_x[i] = -1;
3639     cav->player_y[i] = -1;
3640   }
3641
3642   // initialize player positions and delete players from the playfield
3643   for (y = 0; y < cav->height; y++) for (x = 0; x < cav->width; x++)
3644   {
3645     if (IS_PLAYER_ELEMENT(level->field[x][y]))
3646     {
3647       int player_nr = GET_PLAYER_NR(level->field[x][y]);
3648
3649       cav->player_x[player_nr] = x;
3650       cav->player_y[player_nr] = y;
3651
3652       cav->cave[x][y] = map_element_RND_to_EM_cave(EL_EMPTY);
3653     }
3654   }
3655 }
3656
3657 static void CopyNativeLevel_EM_to_RND(struct LevelInfo *level)
3658 {
3659   static int ball_xy[8][2] =
3660   {
3661     { 0, 0 },
3662     { 1, 0 },
3663     { 2, 0 },
3664     { 0, 1 },
3665     { 2, 1 },
3666     { 0, 2 },
3667     { 1, 2 },
3668     { 2, 2 },
3669   };
3670   struct LevelInfo_EM *level_em = level->native_em_level;
3671   struct CAVE *cav = level_em->cav;
3672   int i, j, x, y;
3673
3674   level->fieldx = MIN(cav->width,  MAX_LEV_FIELDX);
3675   level->fieldy = MIN(cav->height, MAX_LEV_FIELDY);
3676
3677   level->time        = cav->time_seconds;
3678   level->gems_needed = cav->gems_needed;
3679
3680   sprintf(level->name, "Level %d", level->file_info.nr);
3681
3682   level->score[SC_EMERALD]      = cav->emerald_score;
3683   level->score[SC_DIAMOND]      = cav->diamond_score;
3684   level->score[SC_ROBOT]        = cav->alien_score;
3685   level->score[SC_SPACESHIP]    = cav->tank_score;
3686   level->score[SC_BUG]          = cav->bug_score;
3687   level->score[SC_YAMYAM]       = cav->eater_score;
3688   level->score[SC_NUT]          = cav->nut_score;
3689   level->score[SC_DYNAMITE]     = cav->dynamite_score;
3690   level->score[SC_KEY]          = cav->key_score;
3691   level->score[SC_TIME_BONUS]   = cav->exit_score;
3692
3693   level->num_yamyam_contents    = cav->num_eater_arrays;
3694
3695   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
3696     for (y = 0; y < 3; y++)
3697       for (x = 0; x < 3; x++)
3698         level->yamyam_content[i].e[x][y] =
3699           map_element_EM_to_RND_cave(cav->eater_array[i][y * 3 + x]);
3700
3701   level->amoeba_speed           = cav->amoeba_time;
3702   level->time_magic_wall        = cav->wonderwall_time;
3703   level->time_wheel             = cav->wheel_time;
3704
3705   level->android_move_time      = cav->android_move_time;
3706   level->android_clone_time     = cav->android_clone_time;
3707   level->ball_random            = cav->ball_random;
3708   level->ball_active_initial    = cav->ball_active;
3709   level->ball_time              = cav->ball_time;
3710   level->num_ball_contents      = cav->num_ball_arrays;
3711
3712   level->lenses_score           = cav->lenses_score;
3713   level->magnify_score          = cav->magnify_score;
3714   level->slurp_score            = cav->slurp_score;
3715
3716   level->lenses_time            = cav->lenses_time;
3717   level->magnify_time           = cav->magnify_time;
3718
3719   level->wind_direction_initial =
3720     map_direction_EM_to_RND(cav->wind_direction);
3721
3722   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
3723     for (j = 0; j < 8; j++)
3724       level->ball_content[i].e[ball_xy[j][0]][ball_xy[j][1]] =
3725         map_element_EM_to_RND_cave(cav->ball_array[i][j]);
3726
3727   map_android_clone_elements_EM_to_RND(level);
3728
3729   // convert the playfield (some elements need special treatment)
3730   for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
3731   {
3732     int new_element = map_element_EM_to_RND_cave(cav->cave[x][y]);
3733
3734     if (new_element == EL_AMOEBA_WET && level->amoeba_speed == 0)
3735       new_element = EL_AMOEBA_DEAD;
3736
3737     level->field[x][y] = new_element;
3738   }
3739
3740   for (i = 0; i < MAX_PLAYERS; i++)
3741   {
3742     // in case of all players set to the same field, use the first player
3743     int nr = MAX_PLAYERS - i - 1;
3744     int jx = cav->player_x[nr];
3745     int jy = cav->player_y[nr];
3746
3747     if (jx != -1 && jy != -1)
3748       level->field[jx][jy] = EL_PLAYER_1 + nr;
3749   }
3750
3751   // time score is counted for each 10 seconds left in Emerald Mine levels
3752   level->time_score_base = 10;
3753 }
3754
3755
3756 // ----------------------------------------------------------------------------
3757 // functions for loading SP level
3758 // ----------------------------------------------------------------------------
3759
3760 static void CopyNativeLevel_RND_to_SP(struct LevelInfo *level)
3761 {
3762   struct LevelInfo_SP *level_sp = level->native_sp_level;
3763   LevelInfoType *header = &level_sp->header;
3764   int i, x, y;
3765
3766   level_sp->width  = level->fieldx;
3767   level_sp->height = level->fieldy;
3768
3769   for (x = 0; x < level->fieldx; x++)
3770     for (y = 0; y < level->fieldy; y++)
3771       level_sp->playfield[x][y] = map_element_RND_to_SP(level->field[x][y]);
3772
3773   header->InitialGravity = (level->initial_player_gravity[0] ? 1 : 0);
3774
3775   for (i = 0; i < SP_LEVEL_NAME_LEN; i++)
3776     header->LevelTitle[i] = level->name[i];
3777   // !!! NO STRING TERMINATION IN SUPAPLEX VB CODE YET -- FIX THIS !!!
3778
3779   header->InfotronsNeeded = level->gems_needed;
3780
3781   header->SpecialPortCount = 0;
3782
3783   for (x = 0; x < level->fieldx; x++) for (y = 0; y < level->fieldy; y++)
3784   {
3785     boolean gravity_port_found = FALSE;
3786     boolean gravity_port_valid = FALSE;
3787     int gravity_port_flag;
3788     int gravity_port_base_element;
3789     int element = level->field[x][y];
3790
3791     if (element >= EL_SP_GRAVITY_ON_PORT_RIGHT &&
3792         element <= EL_SP_GRAVITY_ON_PORT_UP)
3793     {
3794       gravity_port_found = TRUE;
3795       gravity_port_valid = TRUE;
3796       gravity_port_flag = 1;
3797       gravity_port_base_element = EL_SP_GRAVITY_ON_PORT_RIGHT;
3798     }
3799     else if (element >= EL_SP_GRAVITY_OFF_PORT_RIGHT &&
3800              element <= EL_SP_GRAVITY_OFF_PORT_UP)
3801     {
3802       gravity_port_found = TRUE;
3803       gravity_port_valid = TRUE;
3804       gravity_port_flag = 0;
3805       gravity_port_base_element = EL_SP_GRAVITY_OFF_PORT_RIGHT;
3806     }
3807     else if (element >= EL_SP_GRAVITY_PORT_RIGHT &&
3808              element <= EL_SP_GRAVITY_PORT_UP)
3809     {
3810       // change R'n'D style gravity inverting special port to normal port
3811       // (there are no gravity inverting ports in native Supaplex engine)
3812
3813       gravity_port_found = TRUE;
3814       gravity_port_valid = FALSE;
3815       gravity_port_base_element = EL_SP_GRAVITY_PORT_RIGHT;
3816     }
3817
3818     if (gravity_port_found)
3819     {
3820       if (gravity_port_valid &&
3821           header->SpecialPortCount < SP_MAX_SPECIAL_PORTS)
3822       {
3823         SpecialPortType *port = &header->SpecialPort[header->SpecialPortCount];
3824
3825         port->PortLocation = (y * level->fieldx + x) * 2;
3826         port->Gravity = gravity_port_flag;
3827
3828         element += EL_SP_GRAVITY_PORT_RIGHT - gravity_port_base_element;
3829
3830         header->SpecialPortCount++;
3831       }
3832       else
3833       {
3834         // change special gravity port to normal port
3835
3836         element += EL_SP_PORT_RIGHT - gravity_port_base_element;
3837       }
3838
3839       level_sp->playfield[x][y] = element - EL_SP_START;
3840     }
3841   }
3842 }
3843
3844 static void CopyNativeLevel_SP_to_RND(struct LevelInfo *level)
3845 {
3846   struct LevelInfo_SP *level_sp = level->native_sp_level;
3847   LevelInfoType *header = &level_sp->header;
3848   boolean num_invalid_elements = 0;
3849   int i, j, x, y;
3850
3851   level->fieldx = level_sp->width;
3852   level->fieldy = level_sp->height;
3853
3854   for (x = 0; x < level->fieldx; x++)
3855   {
3856     for (y = 0; y < level->fieldy; y++)
3857     {
3858       int element_old = level_sp->playfield[x][y];
3859       int element_new = getMappedElement(map_element_SP_to_RND(element_old));
3860
3861       if (element_new == EL_UNKNOWN)
3862       {
3863         num_invalid_elements++;
3864
3865         Debug("level:native:SP", "invalid element %d at position %d, %d",
3866               element_old, x, y);
3867       }
3868
3869       level->field[x][y] = element_new;
3870     }
3871   }
3872
3873   if (num_invalid_elements > 0)
3874     Warn("found %d invalid elements%s", num_invalid_elements,
3875          (!options.debug ? " (use '--debug' for more details)" : ""));
3876
3877   for (i = 0; i < MAX_PLAYERS; i++)
3878     level->initial_player_gravity[i] =
3879       (header->InitialGravity == 1 ? TRUE : FALSE);
3880
3881   // skip leading spaces
3882   for (i = 0; i < SP_LEVEL_NAME_LEN; i++)
3883     if (header->LevelTitle[i] != ' ')
3884       break;
3885
3886   // copy level title
3887   for (j = 0; i < SP_LEVEL_NAME_LEN; i++, j++)
3888     level->name[j] = header->LevelTitle[i];
3889   level->name[j] = '\0';
3890
3891   // cut trailing spaces
3892   for (; j > 0; j--)
3893     if (level->name[j - 1] == ' ' && level->name[j] == '\0')
3894       level->name[j - 1] = '\0';
3895
3896   level->gems_needed = header->InfotronsNeeded;
3897
3898   for (i = 0; i < header->SpecialPortCount; i++)
3899   {
3900     SpecialPortType *port = &header->SpecialPort[i];
3901     int port_location = port->PortLocation;
3902     int gravity = port->Gravity;
3903     int port_x, port_y, port_element;
3904
3905     port_x = (port_location / 2) % level->fieldx;
3906     port_y = (port_location / 2) / level->fieldx;
3907
3908     if (port_x < 0 || port_x >= level->fieldx ||
3909         port_y < 0 || port_y >= level->fieldy)
3910     {
3911       Warn("special port position (%d, %d) out of bounds", port_x, port_y);
3912
3913       continue;
3914     }
3915
3916     port_element = level->field[port_x][port_y];
3917
3918     if (port_element < EL_SP_GRAVITY_PORT_RIGHT ||
3919         port_element > EL_SP_GRAVITY_PORT_UP)
3920     {
3921       Warn("no special port at position (%d, %d)", port_x, port_y);
3922
3923       continue;
3924     }
3925
3926     // change previous (wrong) gravity inverting special port to either
3927     // gravity enabling special port or gravity disabling special port
3928     level->field[port_x][port_y] +=
3929       (gravity == 1 ? EL_SP_GRAVITY_ON_PORT_RIGHT :
3930        EL_SP_GRAVITY_OFF_PORT_RIGHT) - EL_SP_GRAVITY_PORT_RIGHT;
3931   }
3932
3933   // change special gravity ports without database entries to normal ports
3934   for (x = 0; x < level->fieldx; x++)
3935     for (y = 0; y < level->fieldy; y++)
3936       if (level->field[x][y] >= EL_SP_GRAVITY_PORT_RIGHT &&
3937           level->field[x][y] <= EL_SP_GRAVITY_PORT_UP)
3938         level->field[x][y] += EL_SP_PORT_RIGHT - EL_SP_GRAVITY_PORT_RIGHT;
3939
3940   level->time = 0;                      // no time limit
3941   level->amoeba_speed = 0;
3942   level->time_magic_wall = 0;
3943   level->time_wheel = 0;
3944   level->amoeba_content = EL_EMPTY;
3945
3946   // original Supaplex does not use score values -- rate by playing time
3947   for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
3948     level->score[i] = 0;
3949
3950   level->rate_time_over_score = TRUE;
3951
3952   // there are no yamyams in supaplex levels
3953   for (i = 0; i < level->num_yamyam_contents; i++)
3954     for (x = 0; x < 3; x++)
3955       for (y = 0; y < 3; y++)
3956         level->yamyam_content[i].e[x][y] = EL_EMPTY;
3957 }
3958
3959 static void CopyNativeTape_RND_to_SP(struct LevelInfo *level)
3960 {
3961   struct LevelInfo_SP *level_sp = level->native_sp_level;
3962   struct DemoInfo_SP *demo = &level_sp->demo;
3963   int i, j;
3964
3965   // always start with reliable default values
3966   demo->is_available = FALSE;
3967   demo->length = 0;
3968
3969   if (TAPE_IS_EMPTY(tape))
3970     return;
3971
3972   demo->level_nr = tape.level_nr;       // (currently not used)
3973
3974   level_sp->header.DemoRandomSeed = tape.random_seed;
3975
3976   demo->length = 0;
3977
3978   for (i = 0; i < tape.length; i++)
3979   {
3980     int demo_action = map_key_RND_to_SP(tape.pos[i].action[0]);
3981     int demo_repeat = tape.pos[i].delay;
3982     int demo_entries = (demo_repeat + 15) / 16;
3983
3984     if (demo->length + demo_entries >= SP_MAX_TAPE_LEN)
3985     {
3986       Warn("tape truncated: size exceeds maximum SP demo size %d",
3987            SP_MAX_TAPE_LEN);
3988
3989       break;
3990     }
3991
3992     for (j = 0; j < demo_repeat / 16; j++)
3993       demo->data[demo->length++] = 0xf0 | demo_action;
3994
3995     if (demo_repeat % 16)
3996       demo->data[demo->length++] = ((demo_repeat % 16 - 1) << 4) | demo_action;
3997   }
3998
3999   demo->is_available = TRUE;
4000 }
4001
4002 static void setTapeInfoToDefaults(void);
4003
4004 static void CopyNativeTape_SP_to_RND(struct LevelInfo *level)
4005 {
4006   struct LevelInfo_SP *level_sp = level->native_sp_level;
4007   struct DemoInfo_SP *demo = &level_sp->demo;
4008   char *filename = level->file_info.filename;
4009   int i;
4010
4011   // always start with reliable default values
4012   setTapeInfoToDefaults();
4013
4014   if (!demo->is_available)
4015     return;
4016
4017   tape.level_nr = demo->level_nr;       // (currently not used)
4018   tape.random_seed = level_sp->header.DemoRandomSeed;
4019
4020   TapeSetDateFromEpochSeconds(getFileTimestampEpochSeconds(filename));
4021
4022   tape.counter = 0;
4023   tape.pos[tape.counter].delay = 0;
4024
4025   for (i = 0; i < demo->length; i++)
4026   {
4027     int demo_action = demo->data[i] & 0x0f;
4028     int demo_repeat = (demo->data[i] & 0xf0) >> 4;
4029     int tape_action = map_key_SP_to_RND(demo_action);
4030     int tape_repeat = demo_repeat + 1;
4031     byte action[MAX_TAPE_ACTIONS] = { tape_action };
4032     boolean success = 0;
4033     int j;
4034
4035     for (j = 0; j < tape_repeat; j++)
4036       success = TapeAddAction(action);
4037
4038     if (!success)
4039     {
4040       Warn("SP demo truncated: size exceeds maximum tape size %d",
4041            MAX_TAPE_LEN);
4042
4043       break;
4044     }
4045   }
4046
4047   TapeHaltRecording();
4048 }
4049
4050
4051 // ----------------------------------------------------------------------------
4052 // functions for loading MM level
4053 // ----------------------------------------------------------------------------
4054
4055 static void CopyNativeLevel_RND_to_MM(struct LevelInfo *level)
4056 {
4057   struct LevelInfo_MM *level_mm = level->native_mm_level;
4058   int x, y;
4059
4060   level_mm->fieldx = MIN(level->fieldx, MM_MAX_PLAYFIELD_WIDTH);
4061   level_mm->fieldy = MIN(level->fieldy, MM_MAX_PLAYFIELD_HEIGHT);
4062
4063   level_mm->time = level->time;
4064   level_mm->kettles_needed = level->gems_needed;
4065   level_mm->auto_count_kettles = level->auto_count_gems;
4066
4067   level_mm->laser_red = level->mm_laser_red;
4068   level_mm->laser_green = level->mm_laser_green;
4069   level_mm->laser_blue = level->mm_laser_blue;
4070
4071   strcpy(level_mm->name, level->name);
4072   strcpy(level_mm->author, level->author);
4073
4074   level_mm->score[SC_EMERALD]    = level->score[SC_EMERALD];
4075   level_mm->score[SC_PACMAN]     = level->score[SC_PACMAN];
4076   level_mm->score[SC_KEY]        = level->score[SC_KEY];
4077   level_mm->score[SC_TIME_BONUS] = level->score[SC_TIME_BONUS];
4078   level_mm->score[SC_ELEM_BONUS] = level->score[SC_ELEM_BONUS];
4079
4080   level_mm->amoeba_speed = level->amoeba_speed;
4081   level_mm->time_fuse    = level->mm_time_fuse;
4082   level_mm->time_bomb    = level->mm_time_bomb;
4083   level_mm->time_ball    = level->mm_time_ball;
4084   level_mm->time_block   = level->mm_time_block;
4085
4086   for (x = 0; x < level->fieldx; x++)
4087     for (y = 0; y < level->fieldy; y++)
4088       Ur[x][y] =
4089         level_mm->field[x][y] = map_element_RND_to_MM(level->field[x][y]);
4090 }
4091
4092 static void CopyNativeLevel_MM_to_RND(struct LevelInfo *level)
4093 {
4094   struct LevelInfo_MM *level_mm = level->native_mm_level;
4095   int x, y;
4096
4097   level->fieldx = MIN(level_mm->fieldx, MAX_LEV_FIELDX);
4098   level->fieldy = MIN(level_mm->fieldy, MAX_LEV_FIELDY);
4099
4100   level->time = level_mm->time;
4101   level->gems_needed = level_mm->kettles_needed;
4102   level->auto_count_gems = level_mm->auto_count_kettles;
4103
4104   level->mm_laser_red = level_mm->laser_red;
4105   level->mm_laser_green = level_mm->laser_green;
4106   level->mm_laser_blue = level_mm->laser_blue;
4107
4108   strcpy(level->name, level_mm->name);
4109
4110   // only overwrite author from 'levelinfo.conf' if author defined in level
4111   if (!strEqual(level_mm->author, ANONYMOUS_NAME))
4112     strcpy(level->author, level_mm->author);
4113
4114   level->score[SC_EMERALD]    = level_mm->score[SC_EMERALD];
4115   level->score[SC_PACMAN]     = level_mm->score[SC_PACMAN];
4116   level->score[SC_KEY]        = level_mm->score[SC_KEY];
4117   level->score[SC_TIME_BONUS] = level_mm->score[SC_TIME_BONUS];
4118   level->score[SC_ELEM_BONUS] = level_mm->score[SC_ELEM_BONUS];
4119
4120   level->amoeba_speed  = level_mm->amoeba_speed;
4121   level->mm_time_fuse  = level_mm->time_fuse;
4122   level->mm_time_bomb  = level_mm->time_bomb;
4123   level->mm_time_ball  = level_mm->time_ball;
4124   level->mm_time_block = level_mm->time_block;
4125
4126   for (x = 0; x < level->fieldx; x++)
4127     for (y = 0; y < level->fieldy; y++)
4128       level->field[x][y] = map_element_MM_to_RND(level_mm->field[x][y]);
4129 }
4130
4131
4132 // ----------------------------------------------------------------------------
4133 // functions for loading DC level
4134 // ----------------------------------------------------------------------------
4135
4136 #define DC_LEVEL_HEADER_SIZE            344
4137
4138 static unsigned short getDecodedWord_DC(unsigned short data_encoded,
4139                                         boolean init)
4140 {
4141   static int last_data_encoded;
4142   static int offset1;
4143   static int offset2;
4144   int diff;
4145   int diff_hi, diff_lo;
4146   int data_hi, data_lo;
4147   unsigned short data_decoded;
4148
4149   if (init)
4150   {
4151     last_data_encoded = 0;
4152     offset1 = -1;
4153     offset2 = 0;
4154
4155     return 0;
4156   }
4157
4158   diff = data_encoded - last_data_encoded;
4159   diff_hi = diff & ~0xff;
4160   diff_lo = diff &  0xff;
4161
4162   offset2 += diff_lo;
4163
4164   data_hi = diff_hi - (offset1 << 8) + (offset2 & 0xff00);
4165   data_lo = (diff_lo + (data_hi >> 16)) & 0x00ff;
4166   data_hi = data_hi & 0xff00;
4167
4168   data_decoded = data_hi | data_lo;
4169
4170   last_data_encoded = data_encoded;
4171
4172   offset1 = (offset1 + 1) % 31;
4173   offset2 = offset2 & 0xff;
4174
4175   return data_decoded;
4176 }
4177
4178 static int getMappedElement_DC(int element)
4179 {
4180   switch (element)
4181   {
4182     case 0x0000:
4183       element = EL_ROCK;
4184       break;
4185
4186       // 0x0117 - 0x036e: (?)
4187       // EL_DIAMOND
4188
4189       // 0x042d - 0x0684: (?)
4190       // EL_EMERALD
4191
4192     case 0x06f1:
4193       element = EL_NUT;
4194       break;
4195
4196     case 0x074c:
4197       element = EL_BOMB;
4198       break;
4199
4200     case 0x07a4:
4201       element = EL_PEARL;
4202       break;
4203
4204     case 0x0823:
4205       element = EL_CRYSTAL;
4206       break;
4207
4208     case 0x0e77:        // quicksand (boulder)
4209       element = EL_QUICKSAND_FAST_FULL;
4210       break;
4211
4212     case 0x0e99:        // slow quicksand (boulder)
4213       element = EL_QUICKSAND_FULL;
4214       break;
4215
4216     case 0x0ed2:
4217       element = EL_EM_EXIT_OPEN;
4218       break;
4219
4220     case 0x0ee3:
4221       element = EL_EM_EXIT_CLOSED;
4222       break;
4223
4224     case 0x0eeb:
4225       element = EL_EM_STEEL_EXIT_OPEN;
4226       break;
4227
4228     case 0x0efc:
4229       element = EL_EM_STEEL_EXIT_CLOSED;
4230       break;
4231
4232     case 0x0f4f:        // dynamite (lit 1)
4233       element = EL_EM_DYNAMITE_ACTIVE;
4234       break;
4235
4236     case 0x0f57:        // dynamite (lit 2)
4237       element = EL_EM_DYNAMITE_ACTIVE;
4238       break;
4239
4240     case 0x0f5f:        // dynamite (lit 3)
4241       element = EL_EM_DYNAMITE_ACTIVE;
4242       break;
4243
4244     case 0x0f67:        // dynamite (lit 4)
4245       element = EL_EM_DYNAMITE_ACTIVE;
4246       break;
4247
4248     case 0x0f81:
4249     case 0x0f82:
4250     case 0x0f83:
4251     case 0x0f84:
4252       element = EL_AMOEBA_WET;
4253       break;
4254
4255     case 0x0f85:
4256       element = EL_AMOEBA_DROP;
4257       break;
4258
4259     case 0x0fb9:
4260       element = EL_DC_MAGIC_WALL;
4261       break;
4262
4263     case 0x0fd0:
4264       element = EL_SPACESHIP_UP;
4265       break;
4266
4267     case 0x0fd9:
4268       element = EL_SPACESHIP_DOWN;
4269       break;
4270
4271     case 0x0ff1:
4272       element = EL_SPACESHIP_LEFT;
4273       break;
4274
4275     case 0x0ff9:
4276       element = EL_SPACESHIP_RIGHT;
4277       break;
4278
4279     case 0x1057:
4280       element = EL_BUG_UP;
4281       break;
4282
4283     case 0x1060:
4284       element = EL_BUG_DOWN;
4285       break;
4286
4287     case 0x1078:
4288       element = EL_BUG_LEFT;
4289       break;
4290
4291     case 0x1080:
4292       element = EL_BUG_RIGHT;
4293       break;
4294
4295     case 0x10de:
4296       element = EL_MOLE_UP;
4297       break;
4298
4299     case 0x10e7:
4300       element = EL_MOLE_DOWN;
4301       break;
4302
4303     case 0x10ff:
4304       element = EL_MOLE_LEFT;
4305       break;
4306
4307     case 0x1107:
4308       element = EL_MOLE_RIGHT;
4309       break;
4310
4311     case 0x11c0:
4312       element = EL_ROBOT;
4313       break;
4314
4315     case 0x13f5:
4316       element = EL_YAMYAM_UP;
4317       break;
4318
4319     case 0x1425:
4320       element = EL_SWITCHGATE_OPEN;
4321       break;
4322
4323     case 0x1426:
4324       element = EL_SWITCHGATE_CLOSED;
4325       break;
4326
4327     case 0x1437:
4328       element = EL_DC_SWITCHGATE_SWITCH_UP;
4329       break;
4330
4331     case 0x143a:
4332       element = EL_TIMEGATE_CLOSED;
4333       break;
4334
4335     case 0x144c:        // conveyor belt switch (green)
4336       element = EL_CONVEYOR_BELT_3_SWITCH_MIDDLE;
4337       break;
4338
4339     case 0x144f:        // conveyor belt switch (red)
4340       element = EL_CONVEYOR_BELT_1_SWITCH_MIDDLE;
4341       break;
4342
4343     case 0x1452:        // conveyor belt switch (blue)
4344       element = EL_CONVEYOR_BELT_4_SWITCH_MIDDLE;
4345       break;
4346
4347     case 0x145b:
4348       element = EL_CONVEYOR_BELT_3_MIDDLE;
4349       break;
4350
4351     case 0x1463:
4352       element = EL_CONVEYOR_BELT_3_LEFT;
4353       break;
4354
4355     case 0x146b:
4356       element = EL_CONVEYOR_BELT_3_RIGHT;
4357       break;
4358
4359     case 0x1473:
4360       element = EL_CONVEYOR_BELT_1_MIDDLE;
4361       break;
4362
4363     case 0x147b:
4364       element = EL_CONVEYOR_BELT_1_LEFT;
4365       break;
4366
4367     case 0x1483:
4368       element = EL_CONVEYOR_BELT_1_RIGHT;
4369       break;
4370
4371     case 0x148b:
4372       element = EL_CONVEYOR_BELT_4_MIDDLE;
4373       break;
4374
4375     case 0x1493:
4376       element = EL_CONVEYOR_BELT_4_LEFT;
4377       break;
4378
4379     case 0x149b:
4380       element = EL_CONVEYOR_BELT_4_RIGHT;
4381       break;
4382
4383     case 0x14ac:
4384       element = EL_EXPANDABLE_WALL_HORIZONTAL;
4385       break;
4386
4387     case 0x14bd:
4388       element = EL_EXPANDABLE_WALL_VERTICAL;
4389       break;
4390
4391     case 0x14c6:
4392       element = EL_EXPANDABLE_WALL_ANY;
4393       break;
4394
4395     case 0x14ce:        // growing steel wall (left/right)
4396       element = EL_EXPANDABLE_STEELWALL_HORIZONTAL;
4397       break;
4398
4399     case 0x14df:        // growing steel wall (up/down)
4400       element = EL_EXPANDABLE_STEELWALL_VERTICAL;
4401       break;
4402
4403     case 0x14e8:        // growing steel wall (up/down/left/right)
4404       element = EL_EXPANDABLE_STEELWALL_ANY;
4405       break;
4406
4407     case 0x14e9:
4408       element = EL_SHIELD_DEADLY;
4409       break;
4410
4411     case 0x1501:
4412       element = EL_EXTRA_TIME;
4413       break;
4414
4415     case 0x154f:
4416       element = EL_ACID;
4417       break;
4418
4419     case 0x1577:
4420       element = EL_EMPTY_SPACE;
4421       break;
4422
4423     case 0x1578:        // quicksand (empty)
4424       element = EL_QUICKSAND_FAST_EMPTY;
4425       break;
4426
4427     case 0x1579:        // slow quicksand (empty)
4428       element = EL_QUICKSAND_EMPTY;
4429       break;
4430
4431       // 0x157c - 0x158b:
4432       // EL_SAND
4433
4434       // 0x1590 - 0x159f:
4435       // EL_DC_LANDMINE
4436
4437     case 0x15a0:
4438       element = EL_EM_DYNAMITE;
4439       break;
4440
4441     case 0x15a1:        // key (red)
4442       element = EL_EM_KEY_1;
4443       break;
4444
4445     case 0x15a2:        // key (yellow)
4446       element = EL_EM_KEY_2;
4447       break;
4448
4449     case 0x15a3:        // key (blue)
4450       element = EL_EM_KEY_4;
4451       break;
4452
4453     case 0x15a4:        // key (green)
4454       element = EL_EM_KEY_3;
4455       break;
4456
4457     case 0x15a5:        // key (white)
4458       element = EL_DC_KEY_WHITE;
4459       break;
4460
4461     case 0x15a6:
4462       element = EL_WALL_SLIPPERY;
4463       break;
4464
4465     case 0x15a7:
4466       element = EL_WALL;
4467       break;
4468
4469     case 0x15a8:        // wall (not round)
4470       element = EL_WALL;
4471       break;
4472
4473     case 0x15a9:        // (blue)
4474       element = EL_CHAR_A;
4475       break;
4476
4477     case 0x15aa:        // (blue)
4478       element = EL_CHAR_B;
4479       break;
4480
4481     case 0x15ab:        // (blue)
4482       element = EL_CHAR_C;
4483       break;
4484
4485     case 0x15ac:        // (blue)
4486       element = EL_CHAR_D;
4487       break;
4488
4489     case 0x15ad:        // (blue)
4490       element = EL_CHAR_E;
4491       break;
4492
4493     case 0x15ae:        // (blue)
4494       element = EL_CHAR_F;
4495       break;
4496
4497     case 0x15af:        // (blue)
4498       element = EL_CHAR_G;
4499       break;
4500
4501     case 0x15b0:        // (blue)
4502       element = EL_CHAR_H;
4503       break;
4504
4505     case 0x15b1:        // (blue)
4506       element = EL_CHAR_I;
4507       break;
4508
4509     case 0x15b2:        // (blue)
4510       element = EL_CHAR_J;
4511       break;
4512
4513     case 0x15b3:        // (blue)
4514       element = EL_CHAR_K;
4515       break;
4516
4517     case 0x15b4:        // (blue)
4518       element = EL_CHAR_L;
4519       break;
4520
4521     case 0x15b5:        // (blue)
4522       element = EL_CHAR_M;
4523       break;
4524
4525     case 0x15b6:        // (blue)
4526       element = EL_CHAR_N;
4527       break;
4528
4529     case 0x15b7:        // (blue)
4530       element = EL_CHAR_O;
4531       break;
4532
4533     case 0x15b8:        // (blue)
4534       element = EL_CHAR_P;
4535       break;
4536
4537     case 0x15b9:        // (blue)
4538       element = EL_CHAR_Q;
4539       break;
4540
4541     case 0x15ba:        // (blue)
4542       element = EL_CHAR_R;
4543       break;
4544
4545     case 0x15bb:        // (blue)
4546       element = EL_CHAR_S;
4547       break;
4548
4549     case 0x15bc:        // (blue)
4550       element = EL_CHAR_T;
4551       break;
4552
4553     case 0x15bd:        // (blue)
4554       element = EL_CHAR_U;
4555       break;
4556
4557     case 0x15be:        // (blue)
4558       element = EL_CHAR_V;
4559       break;
4560
4561     case 0x15bf:        // (blue)
4562       element = EL_CHAR_W;
4563       break;
4564
4565     case 0x15c0:        // (blue)
4566       element = EL_CHAR_X;
4567       break;
4568
4569     case 0x15c1:        // (blue)
4570       element = EL_CHAR_Y;
4571       break;
4572
4573     case 0x15c2:        // (blue)
4574       element = EL_CHAR_Z;
4575       break;
4576
4577     case 0x15c3:        // (blue)
4578       element = EL_CHAR_AUMLAUT;
4579       break;
4580
4581     case 0x15c4:        // (blue)
4582       element = EL_CHAR_OUMLAUT;
4583       break;
4584
4585     case 0x15c5:        // (blue)
4586       element = EL_CHAR_UUMLAUT;
4587       break;
4588
4589     case 0x15c6:        // (blue)
4590       element = EL_CHAR_0;
4591       break;
4592
4593     case 0x15c7:        // (blue)
4594       element = EL_CHAR_1;
4595       break;
4596
4597     case 0x15c8:        // (blue)
4598       element = EL_CHAR_2;
4599       break;
4600
4601     case 0x15c9:        // (blue)
4602       element = EL_CHAR_3;
4603       break;
4604
4605     case 0x15ca:        // (blue)
4606       element = EL_CHAR_4;
4607       break;
4608
4609     case 0x15cb:        // (blue)
4610       element = EL_CHAR_5;
4611       break;
4612
4613     case 0x15cc:        // (blue)
4614       element = EL_CHAR_6;
4615       break;
4616
4617     case 0x15cd:        // (blue)
4618       element = EL_CHAR_7;
4619       break;
4620
4621     case 0x15ce:        // (blue)
4622       element = EL_CHAR_8;
4623       break;
4624
4625     case 0x15cf:        // (blue)
4626       element = EL_CHAR_9;
4627       break;
4628
4629     case 0x15d0:        // (blue)
4630       element = EL_CHAR_PERIOD;
4631       break;
4632
4633     case 0x15d1:        // (blue)
4634       element = EL_CHAR_EXCLAM;
4635       break;
4636
4637     case 0x15d2:        // (blue)
4638       element = EL_CHAR_COLON;
4639       break;
4640
4641     case 0x15d3:        // (blue)
4642       element = EL_CHAR_LESS;
4643       break;
4644
4645     case 0x15d4:        // (blue)
4646       element = EL_CHAR_GREATER;
4647       break;
4648
4649     case 0x15d5:        // (blue)
4650       element = EL_CHAR_QUESTION;
4651       break;
4652
4653     case 0x15d6:        // (blue)
4654       element = EL_CHAR_COPYRIGHT;
4655       break;
4656
4657     case 0x15d7:        // (blue)
4658       element = EL_CHAR_UP;
4659       break;
4660
4661     case 0x15d8:        // (blue)
4662       element = EL_CHAR_DOWN;
4663       break;
4664
4665     case 0x15d9:        // (blue)
4666       element = EL_CHAR_BUTTON;
4667       break;
4668
4669     case 0x15da:        // (blue)
4670       element = EL_CHAR_PLUS;
4671       break;
4672
4673     case 0x15db:        // (blue)
4674       element = EL_CHAR_MINUS;
4675       break;
4676
4677     case 0x15dc:        // (blue)
4678       element = EL_CHAR_APOSTROPHE;
4679       break;
4680
4681     case 0x15dd:        // (blue)
4682       element = EL_CHAR_PARENLEFT;
4683       break;
4684
4685     case 0x15de:        // (blue)
4686       element = EL_CHAR_PARENRIGHT;
4687       break;
4688
4689     case 0x15df:        // (green)
4690       element = EL_CHAR_A;
4691       break;
4692
4693     case 0x15e0:        // (green)
4694       element = EL_CHAR_B;
4695       break;
4696
4697     case 0x15e1:        // (green)
4698       element = EL_CHAR_C;
4699       break;
4700
4701     case 0x15e2:        // (green)
4702       element = EL_CHAR_D;
4703       break;
4704
4705     case 0x15e3:        // (green)
4706       element = EL_CHAR_E;
4707       break;
4708
4709     case 0x15e4:        // (green)
4710       element = EL_CHAR_F;
4711       break;
4712
4713     case 0x15e5:        // (green)
4714       element = EL_CHAR_G;
4715       break;
4716
4717     case 0x15e6:        // (green)
4718       element = EL_CHAR_H;
4719       break;
4720
4721     case 0x15e7:        // (green)
4722       element = EL_CHAR_I;
4723       break;
4724
4725     case 0x15e8:        // (green)
4726       element = EL_CHAR_J;
4727       break;
4728
4729     case 0x15e9:        // (green)
4730       element = EL_CHAR_K;
4731       break;
4732
4733     case 0x15ea:        // (green)
4734       element = EL_CHAR_L;
4735       break;
4736
4737     case 0x15eb:        // (green)
4738       element = EL_CHAR_M;
4739       break;
4740
4741     case 0x15ec:        // (green)
4742       element = EL_CHAR_N;
4743       break;
4744
4745     case 0x15ed:        // (green)
4746       element = EL_CHAR_O;
4747       break;
4748
4749     case 0x15ee:        // (green)
4750       element = EL_CHAR_P;
4751       break;
4752
4753     case 0x15ef:        // (green)
4754       element = EL_CHAR_Q;
4755       break;
4756
4757     case 0x15f0:        // (green)
4758       element = EL_CHAR_R;
4759       break;
4760
4761     case 0x15f1:        // (green)
4762       element = EL_CHAR_S;
4763       break;
4764
4765     case 0x15f2:        // (green)
4766       element = EL_CHAR_T;
4767       break;
4768
4769     case 0x15f3:        // (green)
4770       element = EL_CHAR_U;
4771       break;
4772
4773     case 0x15f4:        // (green)
4774       element = EL_CHAR_V;
4775       break;
4776
4777     case 0x15f5:        // (green)
4778       element = EL_CHAR_W;
4779       break;
4780
4781     case 0x15f6:        // (green)
4782       element = EL_CHAR_X;
4783       break;
4784
4785     case 0x15f7:        // (green)
4786       element = EL_CHAR_Y;
4787       break;
4788
4789     case 0x15f8:        // (green)
4790       element = EL_CHAR_Z;
4791       break;
4792
4793     case 0x15f9:        // (green)
4794       element = EL_CHAR_AUMLAUT;
4795       break;
4796
4797     case 0x15fa:        // (green)
4798       element = EL_CHAR_OUMLAUT;
4799       break;
4800
4801     case 0x15fb:        // (green)
4802       element = EL_CHAR_UUMLAUT;
4803       break;
4804
4805     case 0x15fc:        // (green)
4806       element = EL_CHAR_0;
4807       break;
4808
4809     case 0x15fd:        // (green)
4810       element = EL_CHAR_1;
4811       break;
4812
4813     case 0x15fe:        // (green)
4814       element = EL_CHAR_2;
4815       break;
4816
4817     case 0x15ff:        // (green)
4818       element = EL_CHAR_3;
4819       break;
4820
4821     case 0x1600:        // (green)
4822       element = EL_CHAR_4;
4823       break;
4824
4825     case 0x1601:        // (green)
4826       element = EL_CHAR_5;
4827       break;
4828
4829     case 0x1602:        // (green)
4830       element = EL_CHAR_6;
4831       break;
4832
4833     case 0x1603:        // (green)
4834       element = EL_CHAR_7;
4835       break;
4836
4837     case 0x1604:        // (green)
4838       element = EL_CHAR_8;
4839       break;
4840
4841     case 0x1605:        // (green)
4842       element = EL_CHAR_9;
4843       break;
4844
4845     case 0x1606:        // (green)
4846       element = EL_CHAR_PERIOD;
4847       break;
4848
4849     case 0x1607:        // (green)
4850       element = EL_CHAR_EXCLAM;
4851       break;
4852
4853     case 0x1608:        // (green)
4854       element = EL_CHAR_COLON;
4855       break;
4856
4857     case 0x1609:        // (green)
4858       element = EL_CHAR_LESS;
4859       break;
4860
4861     case 0x160a:        // (green)
4862       element = EL_CHAR_GREATER;
4863       break;
4864
4865     case 0x160b:        // (green)
4866       element = EL_CHAR_QUESTION;
4867       break;
4868
4869     case 0x160c:        // (green)
4870       element = EL_CHAR_COPYRIGHT;
4871       break;
4872
4873     case 0x160d:        // (green)
4874       element = EL_CHAR_UP;
4875       break;
4876
4877     case 0x160e:        // (green)
4878       element = EL_CHAR_DOWN;
4879       break;
4880
4881     case 0x160f:        // (green)
4882       element = EL_CHAR_BUTTON;
4883       break;
4884
4885     case 0x1610:        // (green)
4886       element = EL_CHAR_PLUS;
4887       break;
4888
4889     case 0x1611:        // (green)
4890       element = EL_CHAR_MINUS;
4891       break;
4892
4893     case 0x1612:        // (green)
4894       element = EL_CHAR_APOSTROPHE;
4895       break;
4896
4897     case 0x1613:        // (green)
4898       element = EL_CHAR_PARENLEFT;
4899       break;
4900
4901     case 0x1614:        // (green)
4902       element = EL_CHAR_PARENRIGHT;
4903       break;
4904
4905     case 0x1615:        // (blue steel)
4906       element = EL_STEEL_CHAR_A;
4907       break;
4908
4909     case 0x1616:        // (blue steel)
4910       element = EL_STEEL_CHAR_B;
4911       break;
4912
4913     case 0x1617:        // (blue steel)
4914       element = EL_STEEL_CHAR_C;
4915       break;
4916
4917     case 0x1618:        // (blue steel)
4918       element = EL_STEEL_CHAR_D;
4919       break;
4920
4921     case 0x1619:        // (blue steel)
4922       element = EL_STEEL_CHAR_E;
4923       break;
4924
4925     case 0x161a:        // (blue steel)
4926       element = EL_STEEL_CHAR_F;
4927       break;
4928
4929     case 0x161b:        // (blue steel)
4930       element = EL_STEEL_CHAR_G;
4931       break;
4932
4933     case 0x161c:        // (blue steel)
4934       element = EL_STEEL_CHAR_H;
4935       break;
4936
4937     case 0x161d:        // (blue steel)
4938       element = EL_STEEL_CHAR_I;
4939       break;
4940
4941     case 0x161e:        // (blue steel)
4942       element = EL_STEEL_CHAR_J;
4943       break;
4944
4945     case 0x161f:        // (blue steel)
4946       element = EL_STEEL_CHAR_K;
4947       break;
4948
4949     case 0x1620:        // (blue steel)
4950       element = EL_STEEL_CHAR_L;
4951       break;
4952
4953     case 0x1621:        // (blue steel)
4954       element = EL_STEEL_CHAR_M;
4955       break;
4956
4957     case 0x1622:        // (blue steel)
4958       element = EL_STEEL_CHAR_N;
4959       break;
4960
4961     case 0x1623:        // (blue steel)
4962       element = EL_STEEL_CHAR_O;
4963       break;
4964
4965     case 0x1624:        // (blue steel)
4966       element = EL_STEEL_CHAR_P;
4967       break;
4968
4969     case 0x1625:        // (blue steel)
4970       element = EL_STEEL_CHAR_Q;
4971       break;
4972
4973     case 0x1626:        // (blue steel)
4974       element = EL_STEEL_CHAR_R;
4975       break;
4976
4977     case 0x1627:        // (blue steel)
4978       element = EL_STEEL_CHAR_S;
4979       break;
4980
4981     case 0x1628:        // (blue steel)
4982       element = EL_STEEL_CHAR_T;
4983       break;
4984
4985     case 0x1629:        // (blue steel)
4986       element = EL_STEEL_CHAR_U;
4987       break;
4988
4989     case 0x162a:        // (blue steel)
4990       element = EL_STEEL_CHAR_V;
4991       break;
4992
4993     case 0x162b:        // (blue steel)
4994       element = EL_STEEL_CHAR_W;
4995       break;
4996
4997     case 0x162c:        // (blue steel)
4998       element = EL_STEEL_CHAR_X;
4999       break;
5000
5001     case 0x162d:        // (blue steel)
5002       element = EL_STEEL_CHAR_Y;
5003       break;
5004
5005     case 0x162e:        // (blue steel)
5006       element = EL_STEEL_CHAR_Z;
5007       break;
5008
5009     case 0x162f:        // (blue steel)
5010       element = EL_STEEL_CHAR_AUMLAUT;
5011       break;
5012
5013     case 0x1630:        // (blue steel)
5014       element = EL_STEEL_CHAR_OUMLAUT;
5015       break;
5016
5017     case 0x1631:        // (blue steel)
5018       element = EL_STEEL_CHAR_UUMLAUT;
5019       break;
5020
5021     case 0x1632:        // (blue steel)
5022       element = EL_STEEL_CHAR_0;
5023       break;
5024
5025     case 0x1633:        // (blue steel)
5026       element = EL_STEEL_CHAR_1;
5027       break;
5028
5029     case 0x1634:        // (blue steel)
5030       element = EL_STEEL_CHAR_2;
5031       break;
5032
5033     case 0x1635:        // (blue steel)
5034       element = EL_STEEL_CHAR_3;
5035       break;
5036
5037     case 0x1636:        // (blue steel)
5038       element = EL_STEEL_CHAR_4;
5039       break;
5040
5041     case 0x1637:        // (blue steel)
5042       element = EL_STEEL_CHAR_5;
5043       break;
5044
5045     case 0x1638:        // (blue steel)
5046       element = EL_STEEL_CHAR_6;
5047       break;
5048
5049     case 0x1639:        // (blue steel)
5050       element = EL_STEEL_CHAR_7;
5051       break;
5052
5053     case 0x163a:        // (blue steel)
5054       element = EL_STEEL_CHAR_8;
5055       break;
5056
5057     case 0x163b:        // (blue steel)
5058       element = EL_STEEL_CHAR_9;
5059       break;
5060
5061     case 0x163c:        // (blue steel)
5062       element = EL_STEEL_CHAR_PERIOD;
5063       break;
5064
5065     case 0x163d:        // (blue steel)
5066       element = EL_STEEL_CHAR_EXCLAM;
5067       break;
5068
5069     case 0x163e:        // (blue steel)
5070       element = EL_STEEL_CHAR_COLON;
5071       break;
5072
5073     case 0x163f:        // (blue steel)
5074       element = EL_STEEL_CHAR_LESS;
5075       break;
5076
5077     case 0x1640:        // (blue steel)
5078       element = EL_STEEL_CHAR_GREATER;
5079       break;
5080
5081     case 0x1641:        // (blue steel)
5082       element = EL_STEEL_CHAR_QUESTION;
5083       break;
5084
5085     case 0x1642:        // (blue steel)
5086       element = EL_STEEL_CHAR_COPYRIGHT;
5087       break;
5088
5089     case 0x1643:        // (blue steel)
5090       element = EL_STEEL_CHAR_UP;
5091       break;
5092
5093     case 0x1644:        // (blue steel)
5094       element = EL_STEEL_CHAR_DOWN;
5095       break;
5096
5097     case 0x1645:        // (blue steel)
5098       element = EL_STEEL_CHAR_BUTTON;
5099       break;
5100
5101     case 0x1646:        // (blue steel)
5102       element = EL_STEEL_CHAR_PLUS;
5103       break;
5104
5105     case 0x1647:        // (blue steel)
5106       element = EL_STEEL_CHAR_MINUS;
5107       break;
5108
5109     case 0x1648:        // (blue steel)
5110       element = EL_STEEL_CHAR_APOSTROPHE;
5111       break;
5112
5113     case 0x1649:        // (blue steel)
5114       element = EL_STEEL_CHAR_PARENLEFT;
5115       break;
5116
5117     case 0x164a:        // (blue steel)
5118       element = EL_STEEL_CHAR_PARENRIGHT;
5119       break;
5120
5121     case 0x164b:        // (green steel)
5122       element = EL_STEEL_CHAR_A;
5123       break;
5124
5125     case 0x164c:        // (green steel)
5126       element = EL_STEEL_CHAR_B;
5127       break;
5128
5129     case 0x164d:        // (green steel)
5130       element = EL_STEEL_CHAR_C;
5131       break;
5132
5133     case 0x164e:        // (green steel)
5134       element = EL_STEEL_CHAR_D;
5135       break;
5136
5137     case 0x164f:        // (green steel)
5138       element = EL_STEEL_CHAR_E;
5139       break;
5140
5141     case 0x1650:        // (green steel)
5142       element = EL_STEEL_CHAR_F;
5143       break;
5144
5145     case 0x1651:        // (green steel)
5146       element = EL_STEEL_CHAR_G;
5147       break;
5148
5149     case 0x1652:        // (green steel)
5150       element = EL_STEEL_CHAR_H;
5151       break;
5152
5153     case 0x1653:        // (green steel)
5154       element = EL_STEEL_CHAR_I;
5155       break;
5156
5157     case 0x1654:        // (green steel)
5158       element = EL_STEEL_CHAR_J;
5159       break;
5160
5161     case 0x1655:        // (green steel)
5162       element = EL_STEEL_CHAR_K;
5163       break;
5164
5165     case 0x1656:        // (green steel)
5166       element = EL_STEEL_CHAR_L;
5167       break;
5168
5169     case 0x1657:        // (green steel)
5170       element = EL_STEEL_CHAR_M;
5171       break;
5172
5173     case 0x1658:        // (green steel)
5174       element = EL_STEEL_CHAR_N;
5175       break;
5176
5177     case 0x1659:        // (green steel)
5178       element = EL_STEEL_CHAR_O;
5179       break;
5180
5181     case 0x165a:        // (green steel)
5182       element = EL_STEEL_CHAR_P;
5183       break;
5184
5185     case 0x165b:        // (green steel)
5186       element = EL_STEEL_CHAR_Q;
5187       break;
5188
5189     case 0x165c:        // (green steel)
5190       element = EL_STEEL_CHAR_R;
5191       break;
5192
5193     case 0x165d:        // (green steel)
5194       element = EL_STEEL_CHAR_S;
5195       break;
5196
5197     case 0x165e:        // (green steel)
5198       element = EL_STEEL_CHAR_T;
5199       break;
5200
5201     case 0x165f:        // (green steel)
5202       element = EL_STEEL_CHAR_U;
5203       break;
5204
5205     case 0x1660:        // (green steel)
5206       element = EL_STEEL_CHAR_V;
5207       break;
5208
5209     case 0x1661:        // (green steel)
5210       element = EL_STEEL_CHAR_W;
5211       break;
5212
5213     case 0x1662:        // (green steel)
5214       element = EL_STEEL_CHAR_X;
5215       break;
5216
5217     case 0x1663:        // (green steel)
5218       element = EL_STEEL_CHAR_Y;
5219       break;
5220
5221     case 0x1664:        // (green steel)
5222       element = EL_STEEL_CHAR_Z;
5223       break;
5224
5225     case 0x1665:        // (green steel)
5226       element = EL_STEEL_CHAR_AUMLAUT;
5227       break;
5228
5229     case 0x1666:        // (green steel)
5230       element = EL_STEEL_CHAR_OUMLAUT;
5231       break;
5232
5233     case 0x1667:        // (green steel)
5234       element = EL_STEEL_CHAR_UUMLAUT;
5235       break;
5236
5237     case 0x1668:        // (green steel)
5238       element = EL_STEEL_CHAR_0;
5239       break;
5240
5241     case 0x1669:        // (green steel)
5242       element = EL_STEEL_CHAR_1;
5243       break;
5244
5245     case 0x166a:        // (green steel)
5246       element = EL_STEEL_CHAR_2;
5247       break;
5248
5249     case 0x166b:        // (green steel)
5250       element = EL_STEEL_CHAR_3;
5251       break;
5252
5253     case 0x166c:        // (green steel)
5254       element = EL_STEEL_CHAR_4;
5255       break;
5256
5257     case 0x166d:        // (green steel)
5258       element = EL_STEEL_CHAR_5;
5259       break;
5260
5261     case 0x166e:        // (green steel)
5262       element = EL_STEEL_CHAR_6;
5263       break;
5264
5265     case 0x166f:        // (green steel)
5266       element = EL_STEEL_CHAR_7;
5267       break;
5268
5269     case 0x1670:        // (green steel)
5270       element = EL_STEEL_CHAR_8;
5271       break;
5272
5273     case 0x1671:        // (green steel)
5274       element = EL_STEEL_CHAR_9;
5275       break;
5276
5277     case 0x1672:        // (green steel)
5278       element = EL_STEEL_CHAR_PERIOD;
5279       break;
5280
5281     case 0x1673:        // (green steel)
5282       element = EL_STEEL_CHAR_EXCLAM;
5283       break;
5284
5285     case 0x1674:        // (green steel)
5286       element = EL_STEEL_CHAR_COLON;
5287       break;
5288
5289     case 0x1675:        // (green steel)
5290       element = EL_STEEL_CHAR_LESS;
5291       break;
5292
5293     case 0x1676:        // (green steel)
5294       element = EL_STEEL_CHAR_GREATER;
5295       break;
5296
5297     case 0x1677:        // (green steel)
5298       element = EL_STEEL_CHAR_QUESTION;
5299       break;
5300
5301     case 0x1678:        // (green steel)
5302       element = EL_STEEL_CHAR_COPYRIGHT;
5303       break;
5304
5305     case 0x1679:        // (green steel)
5306       element = EL_STEEL_CHAR_UP;
5307       break;
5308
5309     case 0x167a:        // (green steel)
5310       element = EL_STEEL_CHAR_DOWN;
5311       break;
5312
5313     case 0x167b:        // (green steel)
5314       element = EL_STEEL_CHAR_BUTTON;
5315       break;
5316
5317     case 0x167c:        // (green steel)
5318       element = EL_STEEL_CHAR_PLUS;
5319       break;
5320
5321     case 0x167d:        // (green steel)
5322       element = EL_STEEL_CHAR_MINUS;
5323       break;
5324
5325     case 0x167e:        // (green steel)
5326       element = EL_STEEL_CHAR_APOSTROPHE;
5327       break;
5328
5329     case 0x167f:        // (green steel)
5330       element = EL_STEEL_CHAR_PARENLEFT;
5331       break;
5332
5333     case 0x1680:        // (green steel)
5334       element = EL_STEEL_CHAR_PARENRIGHT;
5335       break;
5336
5337     case 0x1681:        // gate (red)
5338       element = EL_EM_GATE_1;
5339       break;
5340
5341     case 0x1682:        // secret gate (red)
5342       element = EL_EM_GATE_1_GRAY;
5343       break;
5344
5345     case 0x1683:        // gate (yellow)
5346       element = EL_EM_GATE_2;
5347       break;
5348
5349     case 0x1684:        // secret gate (yellow)
5350       element = EL_EM_GATE_2_GRAY;
5351       break;
5352
5353     case 0x1685:        // gate (blue)
5354       element = EL_EM_GATE_4;
5355       break;
5356
5357     case 0x1686:        // secret gate (blue)
5358       element = EL_EM_GATE_4_GRAY;
5359       break;
5360
5361     case 0x1687:        // gate (green)
5362       element = EL_EM_GATE_3;
5363       break;
5364
5365     case 0x1688:        // secret gate (green)
5366       element = EL_EM_GATE_3_GRAY;
5367       break;
5368
5369     case 0x1689:        // gate (white)
5370       element = EL_DC_GATE_WHITE;
5371       break;
5372
5373     case 0x168a:        // secret gate (white)
5374       element = EL_DC_GATE_WHITE_GRAY;
5375       break;
5376
5377     case 0x168b:        // secret gate (no key)
5378       element = EL_DC_GATE_FAKE_GRAY;
5379       break;
5380
5381     case 0x168c:
5382       element = EL_ROBOT_WHEEL;
5383       break;
5384
5385     case 0x168d:
5386       element = EL_DC_TIMEGATE_SWITCH;
5387       break;
5388
5389     case 0x168e:
5390       element = EL_ACID_POOL_BOTTOM;
5391       break;
5392
5393     case 0x168f:
5394       element = EL_ACID_POOL_TOPLEFT;
5395       break;
5396
5397     case 0x1690:
5398       element = EL_ACID_POOL_TOPRIGHT;
5399       break;
5400
5401     case 0x1691:
5402       element = EL_ACID_POOL_BOTTOMLEFT;
5403       break;
5404
5405     case 0x1692:
5406       element = EL_ACID_POOL_BOTTOMRIGHT;
5407       break;
5408
5409     case 0x1693:
5410       element = EL_STEELWALL;
5411       break;
5412
5413     case 0x1694:
5414       element = EL_STEELWALL_SLIPPERY;
5415       break;
5416
5417     case 0x1695:        // steel wall (not round)
5418       element = EL_STEELWALL;
5419       break;
5420
5421     case 0x1696:        // steel wall (left)
5422       element = EL_DC_STEELWALL_1_LEFT;
5423       break;
5424
5425     case 0x1697:        // steel wall (bottom)
5426       element = EL_DC_STEELWALL_1_BOTTOM;
5427       break;
5428
5429     case 0x1698:        // steel wall (right)
5430       element = EL_DC_STEELWALL_1_RIGHT;
5431       break;
5432
5433     case 0x1699:        // steel wall (top)
5434       element = EL_DC_STEELWALL_1_TOP;
5435       break;
5436
5437     case 0x169a:        // steel wall (left/bottom)
5438       element = EL_DC_STEELWALL_1_BOTTOMLEFT;
5439       break;
5440
5441     case 0x169b:        // steel wall (right/bottom)
5442       element = EL_DC_STEELWALL_1_BOTTOMRIGHT;
5443       break;
5444
5445     case 0x169c:        // steel wall (right/top)
5446       element = EL_DC_STEELWALL_1_TOPRIGHT;
5447       break;
5448
5449     case 0x169d:        // steel wall (left/top)
5450       element = EL_DC_STEELWALL_1_TOPLEFT;
5451       break;
5452
5453     case 0x169e:        // steel wall (right/bottom small)
5454       element = EL_DC_STEELWALL_1_BOTTOMRIGHT_2;
5455       break;
5456
5457     case 0x169f:        // steel wall (left/bottom small)
5458       element = EL_DC_STEELWALL_1_BOTTOMLEFT_2;
5459       break;
5460
5461     case 0x16a0:        // steel wall (right/top small)
5462       element = EL_DC_STEELWALL_1_TOPRIGHT_2;
5463       break;
5464
5465     case 0x16a1:        // steel wall (left/top small)
5466       element = EL_DC_STEELWALL_1_TOPLEFT_2;
5467       break;
5468
5469     case 0x16a2:        // steel wall (left/right)
5470       element = EL_DC_STEELWALL_1_VERTICAL;
5471       break;
5472
5473     case 0x16a3:        // steel wall (top/bottom)
5474       element = EL_DC_STEELWALL_1_HORIZONTAL;
5475       break;
5476
5477     case 0x16a4:        // steel wall 2 (left end)
5478       element = EL_DC_STEELWALL_2_LEFT;
5479       break;
5480
5481     case 0x16a5:        // steel wall 2 (right end)
5482       element = EL_DC_STEELWALL_2_RIGHT;
5483       break;
5484
5485     case 0x16a6:        // steel wall 2 (top end)
5486       element = EL_DC_STEELWALL_2_TOP;
5487       break;
5488
5489     case 0x16a7:        // steel wall 2 (bottom end)
5490       element = EL_DC_STEELWALL_2_BOTTOM;
5491       break;
5492
5493     case 0x16a8:        // steel wall 2 (left/right)
5494       element = EL_DC_STEELWALL_2_HORIZONTAL;
5495       break;
5496
5497     case 0x16a9:        // steel wall 2 (up/down)
5498       element = EL_DC_STEELWALL_2_VERTICAL;
5499       break;
5500
5501     case 0x16aa:        // steel wall 2 (mid)
5502       element = EL_DC_STEELWALL_2_MIDDLE;
5503       break;
5504
5505     case 0x16ab:
5506       element = EL_SIGN_EXCLAMATION;
5507       break;
5508
5509     case 0x16ac:
5510       element = EL_SIGN_RADIOACTIVITY;
5511       break;
5512
5513     case 0x16ad:
5514       element = EL_SIGN_STOP;
5515       break;
5516
5517     case 0x16ae:
5518       element = EL_SIGN_WHEELCHAIR;
5519       break;
5520
5521     case 0x16af:
5522       element = EL_SIGN_PARKING;
5523       break;
5524
5525     case 0x16b0:
5526       element = EL_SIGN_NO_ENTRY;
5527       break;
5528
5529     case 0x16b1:
5530       element = EL_SIGN_HEART;
5531       break;
5532
5533     case 0x16b2:
5534       element = EL_SIGN_GIVE_WAY;
5535       break;
5536
5537     case 0x16b3:
5538       element = EL_SIGN_ENTRY_FORBIDDEN;
5539       break;
5540
5541     case 0x16b4:
5542       element = EL_SIGN_EMERGENCY_EXIT;
5543       break;
5544
5545     case 0x16b5:
5546       element = EL_SIGN_YIN_YANG;
5547       break;
5548
5549     case 0x16b6:
5550       element = EL_WALL_EMERALD;
5551       break;
5552
5553     case 0x16b7:
5554       element = EL_WALL_DIAMOND;
5555       break;
5556
5557     case 0x16b8:
5558       element = EL_WALL_PEARL;
5559       break;
5560
5561     case 0x16b9:
5562       element = EL_WALL_CRYSTAL;
5563       break;
5564
5565     case 0x16ba:
5566       element = EL_INVISIBLE_WALL;
5567       break;
5568
5569     case 0x16bb:
5570       element = EL_INVISIBLE_STEELWALL;
5571       break;
5572
5573       // 0x16bc - 0x16cb:
5574       // EL_INVISIBLE_SAND
5575
5576     case 0x16cc:
5577       element = EL_LIGHT_SWITCH;
5578       break;
5579
5580     case 0x16cd:
5581       element = EL_ENVELOPE_1;
5582       break;
5583
5584     default:
5585       if (element >= 0x0117 && element <= 0x036e)       // (?)
5586         element = EL_DIAMOND;
5587       else if (element >= 0x042d && element <= 0x0684)  // (?)
5588         element = EL_EMERALD;
5589       else if (element >= 0x157c && element <= 0x158b)
5590         element = EL_SAND;
5591       else if (element >= 0x1590 && element <= 0x159f)
5592         element = EL_DC_LANDMINE;
5593       else if (element >= 0x16bc && element <= 0x16cb)
5594         element = EL_INVISIBLE_SAND;
5595       else
5596       {
5597         Warn("unknown Diamond Caves element 0x%04x", element);
5598
5599         element = EL_UNKNOWN;
5600       }
5601       break;
5602   }
5603
5604   return getMappedElement(element);
5605 }
5606
5607 static void LoadLevelFromFileStream_DC(File *file, struct LevelInfo *level,
5608                                        int nr)
5609 {
5610   byte header[DC_LEVEL_HEADER_SIZE];
5611   int envelope_size;
5612   int envelope_header_pos = 62;
5613   int envelope_content_pos = 94;
5614   int level_name_pos = 251;
5615   int level_author_pos = 292;
5616   int envelope_header_len;
5617   int envelope_content_len;
5618   int level_name_len;
5619   int level_author_len;
5620   int fieldx, fieldy;
5621   int num_yamyam_contents;
5622   int i, x, y;
5623
5624   getDecodedWord_DC(0, TRUE);           // initialize DC2 decoding engine
5625
5626   for (i = 0; i < DC_LEVEL_HEADER_SIZE / 2; i++)
5627   {
5628     unsigned short header_word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
5629
5630     header[i * 2 + 0] = header_word >> 8;
5631     header[i * 2 + 1] = header_word & 0xff;
5632   }
5633
5634   // read some values from level header to check level decoding integrity
5635   fieldx = header[6] | (header[7] << 8);
5636   fieldy = header[8] | (header[9] << 8);
5637   num_yamyam_contents = header[60] | (header[61] << 8);
5638
5639   // do some simple sanity checks to ensure that level was correctly decoded
5640   if (fieldx < 1 || fieldx > 256 ||
5641       fieldy < 1 || fieldy > 256 ||
5642       num_yamyam_contents < 1 || num_yamyam_contents > 8)
5643   {
5644     level->no_valid_file = TRUE;
5645
5646     Warn("cannot decode level from stream -- using empty level");
5647
5648     return;
5649   }
5650
5651   // maximum envelope header size is 31 bytes
5652   envelope_header_len   = header[envelope_header_pos];
5653   // maximum envelope content size is 110 (156?) bytes
5654   envelope_content_len  = header[envelope_content_pos];
5655
5656   // maximum level title size is 40 bytes
5657   level_name_len        = MIN(header[level_name_pos],   MAX_LEVEL_NAME_LEN);
5658   // maximum level author size is 30 (51?) bytes
5659   level_author_len      = MIN(header[level_author_pos], MAX_LEVEL_AUTHOR_LEN);
5660
5661   envelope_size = 0;
5662
5663   for (i = 0; i < envelope_header_len; i++)
5664     if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
5665       level->envelope[0].text[envelope_size++] =
5666         header[envelope_header_pos + 1 + i];
5667
5668   if (envelope_header_len > 0 && envelope_content_len > 0)
5669   {
5670     if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
5671       level->envelope[0].text[envelope_size++] = '\n';
5672     if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
5673       level->envelope[0].text[envelope_size++] = '\n';
5674   }
5675
5676   for (i = 0; i < envelope_content_len; i++)
5677     if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
5678       level->envelope[0].text[envelope_size++] =
5679         header[envelope_content_pos + 1 + i];
5680
5681   level->envelope[0].text[envelope_size] = '\0';
5682
5683   level->envelope[0].xsize = MAX_ENVELOPE_XSIZE;
5684   level->envelope[0].ysize = 10;
5685   level->envelope[0].autowrap = TRUE;
5686   level->envelope[0].centered = TRUE;
5687
5688   for (i = 0; i < level_name_len; i++)
5689     level->name[i] = header[level_name_pos + 1 + i];
5690   level->name[level_name_len] = '\0';
5691
5692   for (i = 0; i < level_author_len; i++)
5693     level->author[i] = header[level_author_pos + 1 + i];
5694   level->author[level_author_len] = '\0';
5695
5696   num_yamyam_contents = header[60] | (header[61] << 8);
5697   level->num_yamyam_contents =
5698     MIN(MAX(MIN_ELEMENT_CONTENTS, num_yamyam_contents), MAX_ELEMENT_CONTENTS);
5699
5700   for (i = 0; i < num_yamyam_contents; i++)
5701   {
5702     for (y = 0; y < 3; y++) for (x = 0; x < 3; x++)
5703     {
5704       unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
5705       int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff);
5706
5707       if (i < MAX_ELEMENT_CONTENTS)
5708         level->yamyam_content[i].e[x][y] = getMappedElement_DC(element_dc);
5709     }
5710   }
5711
5712   fieldx = header[6] | (header[7] << 8);
5713   fieldy = header[8] | (header[9] << 8);
5714   level->fieldx = MIN(MAX(MIN_LEV_FIELDX, fieldx), MAX_LEV_FIELDX);
5715   level->fieldy = MIN(MAX(MIN_LEV_FIELDY, fieldy), MAX_LEV_FIELDY);
5716
5717   for (y = 0; y < fieldy; y++) for (x = 0; x < fieldx; x++)
5718   {
5719     unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
5720     int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff);
5721
5722     if (x < MAX_LEV_FIELDX && y < MAX_LEV_FIELDY)
5723       level->field[x][y] = getMappedElement_DC(element_dc);
5724   }
5725
5726   x = MIN(MAX(0, (header[10] | (header[11] << 8)) - 1), MAX_LEV_FIELDX - 1);
5727   y = MIN(MAX(0, (header[12] | (header[13] << 8)) - 1), MAX_LEV_FIELDY - 1);
5728   level->field[x][y] = EL_PLAYER_1;
5729
5730   x = MIN(MAX(0, (header[14] | (header[15] << 8)) - 1), MAX_LEV_FIELDX - 1);
5731   y = MIN(MAX(0, (header[16] | (header[17] << 8)) - 1), MAX_LEV_FIELDY - 1);
5732   level->field[x][y] = EL_PLAYER_2;
5733
5734   level->gems_needed            = header[18] | (header[19] << 8);
5735
5736   level->score[SC_EMERALD]      = header[20] | (header[21] << 8);
5737   level->score[SC_DIAMOND]      = header[22] | (header[23] << 8);
5738   level->score[SC_PEARL]        = header[24] | (header[25] << 8);
5739   level->score[SC_CRYSTAL]      = header[26] | (header[27] << 8);
5740   level->score[SC_NUT]          = header[28] | (header[29] << 8);
5741   level->score[SC_ROBOT]        = header[30] | (header[31] << 8);
5742   level->score[SC_SPACESHIP]    = header[32] | (header[33] << 8);
5743   level->score[SC_BUG]          = header[34] | (header[35] << 8);
5744   level->score[SC_YAMYAM]       = header[36] | (header[37] << 8);
5745   level->score[SC_DYNAMITE]     = header[38] | (header[39] << 8);
5746   level->score[SC_KEY]          = header[40] | (header[41] << 8);
5747   level->score[SC_TIME_BONUS]   = header[42] | (header[43] << 8);
5748
5749   level->time                   = header[44] | (header[45] << 8);
5750
5751   level->amoeba_speed           = header[46] | (header[47] << 8);
5752   level->time_light             = header[48] | (header[49] << 8);
5753   level->time_timegate          = header[50] | (header[51] << 8);
5754   level->time_wheel             = header[52] | (header[53] << 8);
5755   level->time_magic_wall        = header[54] | (header[55] << 8);
5756   level->extra_time             = header[56] | (header[57] << 8);
5757   level->shield_normal_time     = header[58] | (header[59] << 8);
5758
5759   // shield and extra time elements do not have a score
5760   level->score[SC_SHIELD]       = 0;
5761   level->extra_time_score       = 0;
5762
5763   // set time for normal and deadly shields to the same value
5764   level->shield_deadly_time     = level->shield_normal_time;
5765
5766   // Diamond Caves has the same (strange) behaviour as Emerald Mine that gems
5767   // can slip down from flat walls, like normal walls and steel walls
5768   level->em_slippery_gems = TRUE;
5769
5770   // time score is counted for each 10 seconds left in Diamond Caves levels
5771   level->time_score_base = 10;
5772 }
5773
5774 static void LoadLevelFromFileInfo_DC(struct LevelInfo *level,
5775                                      struct LevelFileInfo *level_file_info,
5776                                      boolean level_info_only)
5777 {
5778   char *filename = level_file_info->filename;
5779   File *file;
5780   int num_magic_bytes = 8;
5781   char magic_bytes[num_magic_bytes + 1];
5782   int num_levels_to_skip = level_file_info->nr - leveldir_current->first_level;
5783
5784   if (!(file = openFile(filename, MODE_READ)))
5785   {
5786     level->no_valid_file = TRUE;
5787
5788     if (!level_info_only)
5789       Warn("cannot read level '%s' -- using empty level", filename);
5790
5791     return;
5792   }
5793
5794   // fseek(file, 0x0000, SEEK_SET);
5795
5796   if (level_file_info->packed)
5797   {
5798     // read "magic bytes" from start of file
5799     if (getStringFromFile(file, magic_bytes, num_magic_bytes + 1) == NULL)
5800       magic_bytes[0] = '\0';
5801
5802     // check "magic bytes" for correct file format
5803     if (!strPrefix(magic_bytes, "DC2"))
5804     {
5805       level->no_valid_file = TRUE;
5806
5807       Warn("unknown DC level file '%s' -- using empty level", filename);
5808
5809       return;
5810     }
5811
5812     if (strPrefix(magic_bytes, "DC2Win95") ||
5813         strPrefix(magic_bytes, "DC2Win98"))
5814     {
5815       int position_first_level = 0x00fa;
5816       int extra_bytes = 4;
5817       int skip_bytes;
5818
5819       // advance file stream to first level inside the level package
5820       skip_bytes = position_first_level - num_magic_bytes - extra_bytes;
5821
5822       // each block of level data is followed by block of non-level data
5823       num_levels_to_skip *= 2;
5824
5825       // at least skip header bytes, therefore use ">= 0" instead of "> 0"
5826       while (num_levels_to_skip >= 0)
5827       {
5828         // advance file stream to next level inside the level package
5829         if (seekFile(file, skip_bytes, SEEK_CUR) != 0)
5830         {
5831           level->no_valid_file = TRUE;
5832
5833           Warn("cannot fseek in file '%s' -- using empty level", filename);
5834
5835           return;
5836         }
5837
5838         // skip apparently unused extra bytes following each level
5839         ReadUnusedBytesFromFile(file, extra_bytes);
5840
5841         // read size of next level in level package
5842         skip_bytes = getFile32BitLE(file);
5843
5844         num_levels_to_skip--;
5845       }
5846     }
5847     else
5848     {
5849       level->no_valid_file = TRUE;
5850
5851       Warn("unknown DC2 level file '%s' -- using empty level", filename);
5852
5853       return;
5854     }
5855   }
5856
5857   LoadLevelFromFileStream_DC(file, level, level_file_info->nr);
5858
5859   closeFile(file);
5860 }
5861
5862
5863 // ----------------------------------------------------------------------------
5864 // functions for loading SB level
5865 // ----------------------------------------------------------------------------
5866
5867 int getMappedElement_SB(int element_ascii, boolean use_ces)
5868 {
5869   static struct
5870   {
5871     int ascii;
5872     int sb;
5873     int ce;
5874   }
5875   sb_element_mapping[] =
5876   {
5877     { ' ', EL_EMPTY,                EL_CUSTOM_1 },  // floor (space)
5878     { '#', EL_STEELWALL,            EL_CUSTOM_2 },  // wall
5879     { '@', EL_PLAYER_1,             EL_CUSTOM_3 },  // player
5880     { '$', EL_SOKOBAN_OBJECT,       EL_CUSTOM_4 },  // box
5881     { '.', EL_SOKOBAN_FIELD_EMPTY,  EL_CUSTOM_5 },  // goal square
5882     { '*', EL_SOKOBAN_FIELD_FULL,   EL_CUSTOM_6 },  // box on goal square
5883     { '+', EL_SOKOBAN_FIELD_PLAYER, EL_CUSTOM_7 },  // player on goal square
5884     { '_', EL_INVISIBLE_STEELWALL,  EL_FROM_LEVEL_TEMPLATE },  // floor beyond border
5885
5886     { 0,   -1,                      -1          },
5887   };
5888
5889   int i;
5890
5891   for (i = 0; sb_element_mapping[i].ascii != 0; i++)
5892     if (element_ascii == sb_element_mapping[i].ascii)
5893       return (use_ces ? sb_element_mapping[i].ce : sb_element_mapping[i].sb);
5894
5895   return EL_UNDEFINED;
5896 }
5897
5898 static void LoadLevelFromFileInfo_SB(struct LevelInfo *level,
5899                                      struct LevelFileInfo *level_file_info,
5900                                      boolean level_info_only)
5901 {
5902   char *filename = level_file_info->filename;
5903   char line[MAX_LINE_LEN], line_raw[MAX_LINE_LEN], previous_line[MAX_LINE_LEN];
5904   char last_comment[MAX_LINE_LEN];
5905   char level_name[MAX_LINE_LEN];
5906   char *line_ptr;
5907   File *file;
5908   int num_levels_to_skip = level_file_info->nr - leveldir_current->first_level;
5909   boolean read_continued_line = FALSE;
5910   boolean reading_playfield = FALSE;
5911   boolean got_valid_playfield_line = FALSE;
5912   boolean invalid_playfield_char = FALSE;
5913   boolean load_xsb_to_ces = check_special_flags("load_xsb_to_ces");
5914   int file_level_nr = 0;
5915   int line_nr = 0;
5916   int x = 0, y = 0;             // initialized to make compilers happy
5917
5918   last_comment[0] = '\0';
5919   level_name[0] = '\0';
5920
5921   if (!(file = openFile(filename, MODE_READ)))
5922   {
5923     level->no_valid_file = TRUE;
5924
5925     if (!level_info_only)
5926       Warn("cannot read level '%s' -- using empty level", filename);
5927
5928     return;
5929   }
5930
5931   while (!checkEndOfFile(file))
5932   {
5933     // level successfully read, but next level may follow here
5934     if (!got_valid_playfield_line && reading_playfield)
5935     {
5936       // read playfield from single level file -- skip remaining file
5937       if (!level_file_info->packed)
5938         break;
5939
5940       if (file_level_nr >= num_levels_to_skip)
5941         break;
5942
5943       file_level_nr++;
5944
5945       last_comment[0] = '\0';
5946       level_name[0] = '\0';
5947
5948       reading_playfield = FALSE;
5949     }
5950
5951     got_valid_playfield_line = FALSE;
5952
5953     // read next line of input file
5954     if (!getStringFromFile(file, line, MAX_LINE_LEN))
5955       break;
5956
5957     // check if line was completely read and is terminated by line break
5958     if (strlen(line) > 0 && line[strlen(line) - 1] == '\n')
5959       line_nr++;
5960
5961     // cut trailing line break (this can be newline and/or carriage return)
5962     for (line_ptr = &line[strlen(line)]; line_ptr >= line; line_ptr--)
5963       if ((*line_ptr == '\n' || *line_ptr == '\r') && *(line_ptr + 1) == '\0')
5964         *line_ptr = '\0';
5965
5966     // copy raw input line for later use (mainly debugging output)
5967     strcpy(line_raw, line);
5968
5969     if (read_continued_line)
5970     {
5971       // append new line to existing line, if there is enough space
5972       if (strlen(previous_line) + strlen(line_ptr) < MAX_LINE_LEN)
5973         strcat(previous_line, line_ptr);
5974
5975       strcpy(line, previous_line);      // copy storage buffer to line
5976
5977       read_continued_line = FALSE;
5978     }
5979
5980     // if the last character is '\', continue at next line
5981     if (strlen(line) > 0 && line[strlen(line) - 1] == '\\')
5982     {
5983       line[strlen(line) - 1] = '\0';    // cut off trailing backslash
5984       strcpy(previous_line, line);      // copy line to storage buffer
5985
5986       read_continued_line = TRUE;
5987
5988       continue;
5989     }
5990
5991     // skip empty lines
5992     if (line[0] == '\0')
5993       continue;
5994
5995     // extract comment text from comment line
5996     if (line[0] == ';')
5997     {
5998       for (line_ptr = line; *line_ptr; line_ptr++)
5999         if (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != ';')
6000           break;
6001
6002       strcpy(last_comment, line_ptr);
6003
6004       continue;
6005     }
6006
6007     // extract level title text from line containing level title
6008     if (line[0] == '\'')
6009     {
6010       strcpy(level_name, &line[1]);
6011
6012       if (strlen(level_name) > 0 && level_name[strlen(level_name) - 1] == '\'')
6013         level_name[strlen(level_name) - 1] = '\0';
6014
6015       continue;
6016     }
6017
6018     // skip lines containing only spaces (or empty lines)
6019     for (line_ptr = line; *line_ptr; line_ptr++)
6020       if (*line_ptr != ' ')
6021         break;
6022     if (*line_ptr == '\0')
6023       continue;
6024
6025     // at this point, we have found a line containing part of a playfield
6026
6027     got_valid_playfield_line = TRUE;
6028
6029     if (!reading_playfield)
6030     {
6031       reading_playfield = TRUE;
6032       invalid_playfield_char = FALSE;
6033
6034       for (x = 0; x < MAX_LEV_FIELDX; x++)
6035         for (y = 0; y < MAX_LEV_FIELDY; y++)
6036           level->field[x][y] = getMappedElement_SB(' ', load_xsb_to_ces);
6037
6038       level->fieldx = 0;
6039       level->fieldy = 0;
6040
6041       // start with topmost tile row
6042       y = 0;
6043     }
6044
6045     // skip playfield line if larger row than allowed
6046     if (y >= MAX_LEV_FIELDY)
6047       continue;
6048
6049     // start with leftmost tile column
6050     x = 0;
6051
6052     // read playfield elements from line
6053     for (line_ptr = line; *line_ptr; line_ptr++)
6054     {
6055       int mapped_sb_element = getMappedElement_SB(*line_ptr, load_xsb_to_ces);
6056
6057       // stop parsing playfield line if larger column than allowed
6058       if (x >= MAX_LEV_FIELDX)
6059         break;
6060
6061       if (mapped_sb_element == EL_UNDEFINED)
6062       {
6063         invalid_playfield_char = TRUE;
6064
6065         break;
6066       }
6067
6068       level->field[x][y] = mapped_sb_element;
6069
6070       // continue with next tile column
6071       x++;
6072
6073       level->fieldx = MAX(x, level->fieldx);
6074     }
6075
6076     if (invalid_playfield_char)
6077     {
6078       // if first playfield line, treat invalid lines as comment lines
6079       if (y == 0)
6080         reading_playfield = FALSE;
6081
6082       continue;
6083     }
6084
6085     // continue with next tile row
6086     y++;
6087   }
6088
6089   closeFile(file);
6090
6091   level->fieldy = y;
6092
6093   level->fieldx = MIN(MAX(MIN_LEV_FIELDX, level->fieldx), MAX_LEV_FIELDX);
6094   level->fieldy = MIN(MAX(MIN_LEV_FIELDY, level->fieldy), MAX_LEV_FIELDY);
6095
6096   if (!reading_playfield)
6097   {
6098     level->no_valid_file = TRUE;
6099
6100     Warn("cannot read level '%s' -- using empty level", filename);
6101
6102     return;
6103   }
6104
6105   if (*level_name != '\0')
6106   {
6107     strncpy(level->name, level_name, MAX_LEVEL_NAME_LEN);
6108     level->name[MAX_LEVEL_NAME_LEN] = '\0';
6109   }
6110   else if (*last_comment != '\0')
6111   {
6112     strncpy(level->name, last_comment, MAX_LEVEL_NAME_LEN);
6113     level->name[MAX_LEVEL_NAME_LEN] = '\0';
6114   }
6115   else
6116   {
6117     sprintf(level->name, "--> Level %d <--", level_file_info->nr);
6118   }
6119
6120   // set all empty fields beyond the border walls to invisible steel wall
6121   for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
6122   {
6123     if ((x == 0 || x == level->fieldx - 1 ||
6124          y == 0 || y == level->fieldy - 1) &&
6125         level->field[x][y] == getMappedElement_SB(' ', load_xsb_to_ces))
6126       FloodFillLevel(x, y, getMappedElement_SB('_', load_xsb_to_ces),
6127                      level->field, level->fieldx, level->fieldy);
6128   }
6129
6130   // set special level settings for Sokoban levels
6131
6132   level->time = 0;
6133   level->use_step_counter = TRUE;
6134   level->auto_exit_sokoban = TRUE;
6135
6136   level->score[SC_TIME_BONUS] = 0;
6137   level->time_score_base = 1;
6138   level->rate_time_over_score = TRUE;
6139
6140   if (load_xsb_to_ces)
6141   {
6142     // special global settings can now be set in level template
6143
6144     level->use_custom_template = TRUE;
6145   }
6146 }
6147
6148
6149 // -------------------------------------------------------------------------
6150 // functions for handling native levels
6151 // -------------------------------------------------------------------------
6152
6153 static void LoadLevelFromFileInfo_EM(struct LevelInfo *level,
6154                                      struct LevelFileInfo *level_file_info,
6155                                      boolean level_info_only)
6156 {
6157   if (!LoadNativeLevel_EM(level_file_info->filename, level_info_only))
6158     level->no_valid_file = TRUE;
6159 }
6160
6161 static void LoadLevelFromFileInfo_SP(struct LevelInfo *level,
6162                                      struct LevelFileInfo *level_file_info,
6163                                      boolean level_info_only)
6164 {
6165   int pos = 0;
6166
6167   // determine position of requested level inside level package
6168   if (level_file_info->packed)
6169     pos = level_file_info->nr - leveldir_current->first_level;
6170
6171   if (!LoadNativeLevel_SP(level_file_info->filename, pos, level_info_only))
6172     level->no_valid_file = TRUE;
6173 }
6174
6175 static void LoadLevelFromFileInfo_MM(struct LevelInfo *level,
6176                                      struct LevelFileInfo *level_file_info,
6177                                      boolean level_info_only)
6178 {
6179   if (!LoadNativeLevel_MM(level_file_info->filename, level_info_only))
6180     level->no_valid_file = TRUE;
6181 }
6182
6183 void CopyNativeLevel_RND_to_Native(struct LevelInfo *level)
6184 {
6185   if (level->game_engine_type == GAME_ENGINE_TYPE_EM)
6186     CopyNativeLevel_RND_to_EM(level);
6187   else if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
6188     CopyNativeLevel_RND_to_SP(level);
6189   else if (level->game_engine_type == GAME_ENGINE_TYPE_MM)
6190     CopyNativeLevel_RND_to_MM(level);
6191 }
6192
6193 void CopyNativeLevel_Native_to_RND(struct LevelInfo *level)
6194 {
6195   if (level->game_engine_type == GAME_ENGINE_TYPE_EM)
6196     CopyNativeLevel_EM_to_RND(level);
6197   else if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
6198     CopyNativeLevel_SP_to_RND(level);
6199   else if (level->game_engine_type == GAME_ENGINE_TYPE_MM)
6200     CopyNativeLevel_MM_to_RND(level);
6201 }
6202
6203 void SaveNativeLevel(struct LevelInfo *level)
6204 {
6205   if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
6206   {
6207     char *basename = getSingleLevelBasenameExt(level->file_info.nr, "sp");
6208     char *filename = getLevelFilenameFromBasename(basename);
6209
6210     CopyNativeLevel_RND_to_SP(level);
6211     CopyNativeTape_RND_to_SP(level);
6212
6213     SaveNativeLevel_SP(filename);
6214   }
6215 }
6216
6217
6218 // ----------------------------------------------------------------------------
6219 // functions for loading generic level
6220 // ----------------------------------------------------------------------------
6221
6222 static void LoadLevelFromFileInfo(struct LevelInfo *level,
6223                                   struct LevelFileInfo *level_file_info,
6224                                   boolean level_info_only)
6225 {
6226   // always start with reliable default values
6227   setLevelInfoToDefaults(level, level_info_only, TRUE);
6228
6229   switch (level_file_info->type)
6230   {
6231     case LEVEL_FILE_TYPE_RND:
6232       LoadLevelFromFileInfo_RND(level, level_file_info, level_info_only);
6233       break;
6234
6235     case LEVEL_FILE_TYPE_EM:
6236       LoadLevelFromFileInfo_EM(level, level_file_info, level_info_only);
6237       level->game_engine_type = GAME_ENGINE_TYPE_EM;
6238       break;
6239
6240     case LEVEL_FILE_TYPE_SP:
6241       LoadLevelFromFileInfo_SP(level, level_file_info, level_info_only);
6242       level->game_engine_type = GAME_ENGINE_TYPE_SP;
6243       break;
6244
6245     case LEVEL_FILE_TYPE_MM:
6246       LoadLevelFromFileInfo_MM(level, level_file_info, level_info_only);
6247       level->game_engine_type = GAME_ENGINE_TYPE_MM;
6248       break;
6249
6250     case LEVEL_FILE_TYPE_DC:
6251       LoadLevelFromFileInfo_DC(level, level_file_info, level_info_only);
6252       break;
6253
6254     case LEVEL_FILE_TYPE_SB:
6255       LoadLevelFromFileInfo_SB(level, level_file_info, level_info_only);
6256       break;
6257
6258     default:
6259       LoadLevelFromFileInfo_RND(level, level_file_info, level_info_only);
6260       break;
6261   }
6262
6263   // if level file is invalid, restore level structure to default values
6264   if (level->no_valid_file)
6265     setLevelInfoToDefaults(level, level_info_only, FALSE);
6266
6267   if (level->game_engine_type == GAME_ENGINE_TYPE_UNKNOWN)
6268     level->game_engine_type = GAME_ENGINE_TYPE_RND;
6269
6270   if (level_file_info->type != LEVEL_FILE_TYPE_RND)
6271     CopyNativeLevel_Native_to_RND(level);
6272 }
6273
6274 void LoadLevelFromFilename(struct LevelInfo *level, char *filename)
6275 {
6276   static struct LevelFileInfo level_file_info;
6277
6278   // always start with reliable default values
6279   setFileInfoToDefaults(&level_file_info);
6280
6281   level_file_info.nr = 0;                       // unknown level number
6282   level_file_info.type = LEVEL_FILE_TYPE_RND;   // no others supported yet
6283
6284   setString(&level_file_info.filename, filename);
6285
6286   LoadLevelFromFileInfo(level, &level_file_info, FALSE);
6287 }
6288
6289 static void LoadLevel_InitVersion(struct LevelInfo *level)
6290 {
6291   int i, j;
6292
6293   if (leveldir_current == NULL)         // only when dumping level
6294     return;
6295
6296   // all engine modifications also valid for levels which use latest engine
6297   if (level->game_version < VERSION_IDENT(3,2,0,5))
6298   {
6299     // time bonus score was given for 10 s instead of 1 s before 3.2.0-5
6300     level->time_score_base = 10;
6301   }
6302
6303   if (leveldir_current->latest_engine)
6304   {
6305     // ---------- use latest game engine --------------------------------------
6306
6307     /* For all levels which are forced to use the latest game engine version
6308        (normally all but user contributed, private and undefined levels), set
6309        the game engine version to the actual version; this allows for actual
6310        corrections in the game engine to take effect for existing, converted
6311        levels (from "classic" or other existing games) to make the emulation
6312        of the corresponding game more accurate, while (hopefully) not breaking
6313        existing levels created from other players. */
6314
6315     level->game_version = GAME_VERSION_ACTUAL;
6316
6317     /* Set special EM style gems behaviour: EM style gems slip down from
6318        normal, steel and growing wall. As this is a more fundamental change,
6319        it seems better to set the default behaviour to "off" (as it is more
6320        natural) and make it configurable in the level editor (as a property
6321        of gem style elements). Already existing converted levels (neither
6322        private nor contributed levels) are changed to the new behaviour. */
6323
6324     if (level->file_version < FILE_VERSION_2_0)
6325       level->em_slippery_gems = TRUE;
6326
6327     return;
6328   }
6329
6330   // ---------- use game engine the level was created with --------------------
6331
6332   /* For all levels which are not forced to use the latest game engine
6333      version (normally user contributed, private and undefined levels),
6334      use the version of the game engine the levels were created for.
6335
6336      Since 2.0.1, the game engine version is now directly stored
6337      in the level file (chunk "VERS"), so there is no need anymore
6338      to set the game version from the file version (except for old,
6339      pre-2.0 levels, where the game version is still taken from the
6340      file format version used to store the level -- see above). */
6341
6342   // player was faster than enemies in 1.0.0 and before
6343   if (level->file_version == FILE_VERSION_1_0)
6344     for (i = 0; i < MAX_PLAYERS; i++)
6345       level->initial_player_stepsize[i] = STEPSIZE_FAST;
6346
6347   // default behaviour for EM style gems was "slippery" only in 2.0.1
6348   if (level->game_version == VERSION_IDENT(2,0,1,0))
6349     level->em_slippery_gems = TRUE;
6350
6351   // springs could be pushed over pits before (pre-release version) 2.2.0
6352   if (level->game_version < VERSION_IDENT(2,2,0,0))
6353     level->use_spring_bug = TRUE;
6354
6355   if (level->game_version < VERSION_IDENT(3,2,0,5))
6356   {
6357     // time orb caused limited time in endless time levels before 3.2.0-5
6358     level->use_time_orb_bug = TRUE;
6359
6360     // default behaviour for snapping was "no snap delay" before 3.2.0-5
6361     level->block_snap_field = FALSE;
6362
6363     // extra time score was same value as time left score before 3.2.0-5
6364     level->extra_time_score = level->score[SC_TIME_BONUS];
6365   }
6366
6367   if (level->game_version < VERSION_IDENT(3,2,0,7))
6368   {
6369     // default behaviour for snapping was "not continuous" before 3.2.0-7
6370     level->continuous_snapping = FALSE;
6371   }
6372
6373   // only few elements were able to actively move into acid before 3.1.0
6374   // trigger settings did not exist before 3.1.0; set to default "any"
6375   if (level->game_version < VERSION_IDENT(3,1,0,0))
6376   {
6377     // correct "can move into acid" settings (all zero in old levels)
6378
6379     level->can_move_into_acid_bits = 0; // nothing can move into acid
6380     level->dont_collide_with_bits = 0; // nothing is deadly when colliding
6381
6382     setMoveIntoAcidProperty(level, EL_ROBOT,     TRUE);
6383     setMoveIntoAcidProperty(level, EL_SATELLITE, TRUE);
6384     setMoveIntoAcidProperty(level, EL_PENGUIN,   TRUE);
6385     setMoveIntoAcidProperty(level, EL_BALLOON,   TRUE);
6386
6387     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6388       SET_PROPERTY(EL_CUSTOM_START + i, EP_CAN_MOVE_INTO_ACID, TRUE);
6389
6390     // correct trigger settings (stored as zero == "none" in old levels)
6391
6392     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6393     {
6394       int element = EL_CUSTOM_START + i;
6395       struct ElementInfo *ei = &element_info[element];
6396
6397       for (j = 0; j < ei->num_change_pages; j++)
6398       {
6399         struct ElementChangeInfo *change = &ei->change_page[j];
6400
6401         change->trigger_player = CH_PLAYER_ANY;
6402         change->trigger_page = CH_PAGE_ANY;
6403       }
6404     }
6405   }
6406
6407   // try to detect and fix "Snake Bite" levels, which are broken with 3.2.0
6408   {
6409     int element = EL_CUSTOM_256;
6410     struct ElementInfo *ei = &element_info[element];
6411     struct ElementChangeInfo *change = &ei->change_page[0];
6412
6413     /* This is needed to fix a problem that was caused by a bugfix in function
6414        game.c/CreateFieldExt() introduced with 3.2.0 that corrects the behaviour
6415        when a custom element changes to EL_SOKOBAN_FIELD_PLAYER (before, it did
6416        not replace walkable elements, but instead just placed the player on it,
6417        without placing the Sokoban field under the player). Unfortunately, this
6418        breaks "Snake Bite" style levels when the snake is halfway through a door
6419        that just closes (the snake head is still alive and can be moved in this
6420        case). This can be fixed by replacing the EL_SOKOBAN_FIELD_PLAYER by the
6421        player (without Sokoban element) which then gets killed as designed). */
6422
6423     if ((strncmp(leveldir_current->identifier, "snake_bite", 10) == 0 ||
6424          strncmp(ei->description, "pause b4 death", 14) == 0) &&
6425         change->target_element == EL_SOKOBAN_FIELD_PLAYER)
6426       change->target_element = EL_PLAYER_1;
6427   }
6428
6429   // try to detect and fix "Zelda" style levels, which are broken with 3.2.5
6430   if (level->game_version < VERSION_IDENT(3,2,5,0))
6431   {
6432     /* This is needed to fix a problem that was caused by a bugfix in function
6433        game.c/CheckTriggeredElementChangeExt() introduced with 3.2.5 that
6434        corrects the behaviour when a custom element changes to another custom
6435        element with a higher element number that has change actions defined.
6436        Normally, only one change per frame is allowed for custom elements.
6437        Therefore, it is checked if a custom element already changed in the
6438        current frame; if it did, subsequent changes are suppressed.
6439        Unfortunately, this is only checked for element changes, but not for
6440        change actions, which are still executed. As the function above loops
6441        through all custom elements from lower to higher, an element change
6442        resulting in a lower CE number won't be checked again, while a target
6443        element with a higher number will also be checked, and potential change
6444        actions will get executed for this CE, too (which is wrong), while
6445        further changes are ignored (which is correct). As this bugfix breaks
6446        Zelda II (and introduces graphical bugs to Zelda I, and also breaks a
6447        few other levels like Alan Bond's "FMV"), allow the previous, incorrect
6448        behaviour for existing levels and tapes that make use of this bug */
6449
6450     level->use_action_after_change_bug = TRUE;
6451   }
6452
6453   // not centering level after relocating player was default only in 3.2.3
6454   if (level->game_version == VERSION_IDENT(3,2,3,0))    // (no pre-releases)
6455     level->shifted_relocation = TRUE;
6456
6457   // EM style elements always chain-exploded in R'n'D engine before 3.2.6
6458   if (level->game_version < VERSION_IDENT(3,2,6,0))
6459     level->em_explodes_by_fire = TRUE;
6460
6461   // levels were solved by the first player entering an exit up to 4.1.0.0
6462   if (level->game_version <= VERSION_IDENT(4,1,0,0))
6463     level->solved_by_one_player = TRUE;
6464
6465   // game logic of "game of life" and "biomaze" was buggy before 4.1.1.1
6466   if (level->game_version < VERSION_IDENT(4,1,1,1))
6467     level->use_life_bugs = TRUE;
6468
6469   // only Sokoban fields (but not objects) had to be solved before 4.1.1.1
6470   if (level->game_version < VERSION_IDENT(4,1,1,1))
6471     level->sb_objects_needed = FALSE;
6472
6473   // CE actions were triggered by unfinished digging/collecting up to 4.2.2.0
6474   if (level->game_version <= VERSION_IDENT(4,2,2,0))
6475     level->finish_dig_collect = FALSE;
6476
6477   // CE changing to player was kept under the player if walkable up to 4.2.3.1
6478   if (level->game_version <= VERSION_IDENT(4,2,3,1))
6479     level->keep_walkable_ce = TRUE;
6480 }
6481
6482 static void LoadLevel_InitSettings_SB(struct LevelInfo *level)
6483 {
6484   boolean is_sokoban_level = TRUE;    // unless non-Sokoban elements found
6485   int x, y;
6486
6487   // check if this level is (not) a Sokoban level
6488   for (y = 0; y < level->fieldy; y++)
6489     for (x = 0; x < level->fieldx; x++)
6490       if (!IS_SB_ELEMENT(Tile[x][y]))
6491         is_sokoban_level = FALSE;
6492
6493   if (is_sokoban_level)
6494   {
6495     // set special level settings for Sokoban levels
6496     level->time = 0;
6497     level->use_step_counter = TRUE;
6498     level->auto_exit_sokoban = TRUE;
6499
6500     level->score[SC_TIME_BONUS] = 0;
6501     level->time_score_base = 1;
6502     level->rate_time_over_score = TRUE;
6503   }
6504 }
6505
6506 static void LoadLevel_InitSettings(struct LevelInfo *level)
6507 {
6508   // adjust level settings for (non-native) Sokoban-style levels
6509   LoadLevel_InitSettings_SB(level);
6510 }
6511
6512 static void LoadLevel_InitStandardElements(struct LevelInfo *level)
6513 {
6514   int i, x, y;
6515
6516   // map elements that have changed in newer versions
6517   level->amoeba_content = getMappedElementByVersion(level->amoeba_content,
6518                                                     level->game_version);
6519   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6520     for (x = 0; x < 3; x++)
6521       for (y = 0; y < 3; y++)
6522         level->yamyam_content[i].e[x][y] =
6523           getMappedElementByVersion(level->yamyam_content[i].e[x][y],
6524                                     level->game_version);
6525
6526 }
6527
6528 static void LoadLevel_InitCustomElements(struct LevelInfo *level)
6529 {
6530   int i, j;
6531
6532   // map custom element change events that have changed in newer versions
6533   // (these following values were accidentally changed in version 3.0.1)
6534   // (this seems to be needed only for 'ab_levelset3' and 'ab_levelset4')
6535   if (level->game_version <= VERSION_IDENT(3,0,0,0))
6536   {
6537     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6538     {
6539       int element = EL_CUSTOM_START + i;
6540
6541       // order of checking and copying events to be mapped is important
6542       // (do not change the start and end value -- they are constant)
6543       for (j = CE_BY_OTHER_ACTION; j >= CE_VALUE_GETS_ZERO; j--)
6544       {
6545         if (HAS_CHANGE_EVENT(element, j - 2))
6546         {
6547           SET_CHANGE_EVENT(element, j - 2, FALSE);
6548           SET_CHANGE_EVENT(element, j, TRUE);
6549         }
6550       }
6551
6552       // order of checking and copying events to be mapped is important
6553       // (do not change the start and end value -- they are constant)
6554       for (j = CE_PLAYER_COLLECTS_X; j >= CE_HITTING_SOMETHING; j--)
6555       {
6556         if (HAS_CHANGE_EVENT(element, j - 1))
6557         {
6558           SET_CHANGE_EVENT(element, j - 1, FALSE);
6559           SET_CHANGE_EVENT(element, j, TRUE);
6560         }
6561       }
6562     }
6563   }
6564
6565   // initialize "can_change" field for old levels with only one change page
6566   if (level->game_version <= VERSION_IDENT(3,0,2,0))
6567   {
6568     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6569     {
6570       int element = EL_CUSTOM_START + i;
6571
6572       if (CAN_CHANGE(element))
6573         element_info[element].change->can_change = TRUE;
6574     }
6575   }
6576
6577   // correct custom element values (for old levels without these options)
6578   if (level->game_version < VERSION_IDENT(3,1,1,0))
6579   {
6580     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6581     {
6582       int element = EL_CUSTOM_START + i;
6583       struct ElementInfo *ei = &element_info[element];
6584
6585       if (ei->access_direction == MV_NO_DIRECTION)
6586         ei->access_direction = MV_ALL_DIRECTIONS;
6587     }
6588   }
6589
6590   // correct custom element values (fix invalid values for all versions)
6591   if (1)
6592   {
6593     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6594     {
6595       int element = EL_CUSTOM_START + i;
6596       struct ElementInfo *ei = &element_info[element];
6597
6598       for (j = 0; j < ei->num_change_pages; j++)
6599       {
6600         struct ElementChangeInfo *change = &ei->change_page[j];
6601
6602         if (change->trigger_player == CH_PLAYER_NONE)
6603           change->trigger_player = CH_PLAYER_ANY;
6604
6605         if (change->trigger_side == CH_SIDE_NONE)
6606           change->trigger_side = CH_SIDE_ANY;
6607       }
6608     }
6609   }
6610
6611   // initialize "can_explode" field for old levels which did not store this
6612   // !!! CHECK THIS -- "<= 3,1,0,0" IS PROBABLY WRONG !!!
6613   if (level->game_version <= VERSION_IDENT(3,1,0,0))
6614   {
6615     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6616     {
6617       int element = EL_CUSTOM_START + i;
6618
6619       if (EXPLODES_1X1_OLD(element))
6620         element_info[element].explosion_type = EXPLODES_1X1;
6621
6622       SET_PROPERTY(element, EP_CAN_EXPLODE, (EXPLODES_BY_FIRE(element) ||
6623                                              EXPLODES_SMASHED(element) ||
6624                                              EXPLODES_IMPACT(element)));
6625     }
6626   }
6627
6628   // correct previously hard-coded move delay values for maze runner style
6629   if (level->game_version < VERSION_IDENT(3,1,1,0))
6630   {
6631     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6632     {
6633       int element = EL_CUSTOM_START + i;
6634
6635       if (element_info[element].move_pattern & MV_MAZE_RUNNER_STYLE)
6636       {
6637         // previously hard-coded and therefore ignored
6638         element_info[element].move_delay_fixed = 9;
6639         element_info[element].move_delay_random = 0;
6640       }
6641     }
6642   }
6643
6644   // set some other uninitialized values of custom elements in older levels
6645   if (level->game_version < VERSION_IDENT(3,1,0,0))
6646   {
6647     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6648     {
6649       int element = EL_CUSTOM_START + i;
6650
6651       element_info[element].access_direction = MV_ALL_DIRECTIONS;
6652
6653       element_info[element].explosion_delay = 17;
6654       element_info[element].ignition_delay = 8;
6655     }
6656   }
6657
6658   // set mouse click change events to work for left/middle/right mouse button
6659   if (level->game_version < VERSION_IDENT(4,2,3,0))
6660   {
6661     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6662     {
6663       int element = EL_CUSTOM_START + i;
6664       struct ElementInfo *ei = &element_info[element];
6665
6666       for (j = 0; j < ei->num_change_pages; j++)
6667       {
6668         struct ElementChangeInfo *change = &ei->change_page[j];
6669
6670         if (change->has_event[CE_CLICKED_BY_MOUSE] ||
6671             change->has_event[CE_PRESSED_BY_MOUSE] ||
6672             change->has_event[CE_MOUSE_CLICKED_ON_X] ||
6673             change->has_event[CE_MOUSE_PRESSED_ON_X])
6674           change->trigger_side = CH_SIDE_ANY;
6675       }
6676     }
6677   }
6678 }
6679
6680 static void LoadLevel_InitElements(struct LevelInfo *level)
6681 {
6682   LoadLevel_InitStandardElements(level);
6683
6684   if (level->file_has_custom_elements)
6685     LoadLevel_InitCustomElements(level);
6686
6687   // initialize element properties for level editor etc.
6688   InitElementPropertiesEngine(level->game_version);
6689   InitElementPropertiesGfxElement();
6690 }
6691
6692 static void LoadLevel_InitPlayfield(struct LevelInfo *level)
6693 {
6694   int x, y;
6695
6696   // map elements that have changed in newer versions
6697   for (y = 0; y < level->fieldy; y++)
6698     for (x = 0; x < level->fieldx; x++)
6699       level->field[x][y] = getMappedElementByVersion(level->field[x][y],
6700                                                      level->game_version);
6701
6702   // clear unused playfield data (nicer if level gets resized in editor)
6703   for (x = 0; x < MAX_LEV_FIELDX; x++)
6704     for (y = 0; y < MAX_LEV_FIELDY; y++)
6705       if (x >= level->fieldx || y >= level->fieldy)
6706         level->field[x][y] = EL_EMPTY;
6707
6708   // copy elements to runtime playfield array
6709   for (x = 0; x < MAX_LEV_FIELDX; x++)
6710     for (y = 0; y < MAX_LEV_FIELDY; y++)
6711       Tile[x][y] = level->field[x][y];
6712
6713   // initialize level size variables for faster access
6714   lev_fieldx = level->fieldx;
6715   lev_fieldy = level->fieldy;
6716
6717   // determine border element for this level
6718   if (level->file_info.type == LEVEL_FILE_TYPE_DC)
6719     BorderElement = EL_EMPTY;   // (in editor, SetBorderElement() is used)
6720   else
6721     SetBorderElement();
6722 }
6723
6724 static void LoadLevel_InitNativeEngines(struct LevelInfo *level)
6725 {
6726   struct LevelFileInfo *level_file_info = &level->file_info;
6727
6728   if (level_file_info->type == LEVEL_FILE_TYPE_RND)
6729     CopyNativeLevel_RND_to_Native(level);
6730 }
6731
6732 static void LoadLevelTemplate_LoadAndInit(void)
6733 {
6734   LoadLevelFromFileInfo(&level_template, &level_template.file_info, FALSE);
6735
6736   LoadLevel_InitVersion(&level_template);
6737   LoadLevel_InitElements(&level_template);
6738   LoadLevel_InitSettings(&level_template);
6739
6740   ActivateLevelTemplate();
6741 }
6742
6743 void LoadLevelTemplate(int nr)
6744 {
6745   if (!fileExists(getGlobalLevelTemplateFilename()))
6746   {
6747     Warn("no level template found for this level");
6748
6749     return;
6750   }
6751
6752   setLevelFileInfo(&level_template.file_info, nr);
6753
6754   LoadLevelTemplate_LoadAndInit();
6755 }
6756
6757 static void LoadNetworkLevelTemplate(struct NetworkLevelInfo *network_level)
6758 {
6759   copyLevelFileInfo(&network_level->tmpl_info, &level_template.file_info);
6760
6761   LoadLevelTemplate_LoadAndInit();
6762 }
6763
6764 static void LoadLevel_LoadAndInit(struct NetworkLevelInfo *network_level)
6765 {
6766   LoadLevelFromFileInfo(&level, &level.file_info, FALSE);
6767
6768   if (level.use_custom_template)
6769   {
6770     if (network_level != NULL)
6771       LoadNetworkLevelTemplate(network_level);
6772     else
6773       LoadLevelTemplate(-1);
6774   }
6775
6776   LoadLevel_InitVersion(&level);
6777   LoadLevel_InitElements(&level);
6778   LoadLevel_InitPlayfield(&level);
6779   LoadLevel_InitSettings(&level);
6780
6781   LoadLevel_InitNativeEngines(&level);
6782 }
6783
6784 void LoadLevel(int nr)
6785 {
6786   SetLevelSetInfo(leveldir_current->identifier, nr);
6787
6788   setLevelFileInfo(&level.file_info, nr);
6789
6790   LoadLevel_LoadAndInit(NULL);
6791 }
6792
6793 void LoadLevelInfoOnly(int nr)
6794 {
6795   setLevelFileInfo(&level.file_info, nr);
6796
6797   LoadLevelFromFileInfo(&level, &level.file_info, TRUE);
6798 }
6799
6800 void LoadNetworkLevel(struct NetworkLevelInfo *network_level)
6801 {
6802   SetLevelSetInfo(network_level->leveldir_identifier,
6803                   network_level->file_info.nr);
6804
6805   copyLevelFileInfo(&network_level->file_info, &level.file_info);
6806
6807   LoadLevel_LoadAndInit(network_level);
6808 }
6809
6810 static int SaveLevel_VERS(FILE *file, struct LevelInfo *level)
6811 {
6812   int chunk_size = 0;
6813
6814   chunk_size += putFileVersion(file, level->file_version);
6815   chunk_size += putFileVersion(file, level->game_version);
6816
6817   return chunk_size;
6818 }
6819
6820 static int SaveLevel_DATE(FILE *file, struct LevelInfo *level)
6821 {
6822   int chunk_size = 0;
6823
6824   chunk_size += putFile16BitBE(file, level->creation_date.year);
6825   chunk_size += putFile8Bit(file,    level->creation_date.month);
6826   chunk_size += putFile8Bit(file,    level->creation_date.day);
6827
6828   return chunk_size;
6829 }
6830
6831 #if ENABLE_HISTORIC_CHUNKS
6832 static void SaveLevel_HEAD(FILE *file, struct LevelInfo *level)
6833 {
6834   int i, x, y;
6835
6836   putFile8Bit(file, level->fieldx);
6837   putFile8Bit(file, level->fieldy);
6838
6839   putFile16BitBE(file, level->time);
6840   putFile16BitBE(file, level->gems_needed);
6841
6842   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
6843     putFile8Bit(file, level->name[i]);
6844
6845   for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
6846     putFile8Bit(file, level->score[i]);
6847
6848   for (i = 0; i < STD_ELEMENT_CONTENTS; i++)
6849     for (y = 0; y < 3; y++)
6850       for (x = 0; x < 3; x++)
6851         putFile8Bit(file, (level->encoding_16bit_yamyam ? EL_EMPTY :
6852                            level->yamyam_content[i].e[x][y]));
6853   putFile8Bit(file, level->amoeba_speed);
6854   putFile8Bit(file, level->time_magic_wall);
6855   putFile8Bit(file, level->time_wheel);
6856   putFile8Bit(file, (level->encoding_16bit_amoeba ? EL_EMPTY :
6857                      level->amoeba_content));
6858   putFile8Bit(file, (level->initial_player_stepsize == STEPSIZE_FAST ? 1 : 0));
6859   putFile8Bit(file, (level->initial_gravity ? 1 : 0));
6860   putFile8Bit(file, (level->encoding_16bit_field ? 1 : 0));
6861   putFile8Bit(file, (level->em_slippery_gems ? 1 : 0));
6862
6863   putFile8Bit(file, (level->use_custom_template ? 1 : 0));
6864
6865   putFile8Bit(file, (level->block_last_field ? 1 : 0));
6866   putFile8Bit(file, (level->sp_block_last_field ? 1 : 0));
6867   putFile32BitBE(file, level->can_move_into_acid_bits);
6868   putFile8Bit(file, level->dont_collide_with_bits);
6869
6870   putFile8Bit(file, (level->use_spring_bug ? 1 : 0));
6871   putFile8Bit(file, (level->use_step_counter ? 1 : 0));
6872
6873   putFile8Bit(file, (level->instant_relocation ? 1 : 0));
6874   putFile8Bit(file, (level->can_pass_to_walkable ? 1 : 0));
6875   putFile8Bit(file, (level->grow_into_diggable ? 1 : 0));
6876
6877   putFile8Bit(file, level->game_engine_type);
6878
6879   WriteUnusedBytesToFile(file, LEVEL_CHUNK_HEAD_UNUSED);
6880 }
6881 #endif
6882
6883 static int SaveLevel_NAME(FILE *file, struct LevelInfo *level)
6884 {
6885   int chunk_size = 0;
6886   int i;
6887
6888   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
6889     chunk_size += putFile8Bit(file, level->name[i]);
6890
6891   return chunk_size;
6892 }
6893
6894 static int SaveLevel_AUTH(FILE *file, struct LevelInfo *level)
6895 {
6896   int chunk_size = 0;
6897   int i;
6898
6899   for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++)
6900     chunk_size += putFile8Bit(file, level->author[i]);
6901
6902   return chunk_size;
6903 }
6904
6905 #if ENABLE_HISTORIC_CHUNKS
6906 static int SaveLevel_BODY(FILE *file, struct LevelInfo *level)
6907 {
6908   int chunk_size = 0;
6909   int x, y;
6910
6911   for (y = 0; y < level->fieldy; y++)
6912     for (x = 0; x < level->fieldx; x++)
6913       if (level->encoding_16bit_field)
6914         chunk_size += putFile16BitBE(file, level->field[x][y]);
6915       else
6916         chunk_size += putFile8Bit(file, level->field[x][y]);
6917
6918   return chunk_size;
6919 }
6920 #endif
6921
6922 static int SaveLevel_BODY(FILE *file, struct LevelInfo *level)
6923 {
6924   int chunk_size = 0;
6925   int x, y;
6926
6927   for (y = 0; y < level->fieldy; y++)
6928     for (x = 0; x < level->fieldx; x++)
6929       chunk_size += putFile16BitBE(file, level->field[x][y]);
6930
6931   return chunk_size;
6932 }
6933
6934 #if ENABLE_HISTORIC_CHUNKS
6935 static void SaveLevel_CONT(FILE *file, struct LevelInfo *level)
6936 {
6937   int i, x, y;
6938
6939   putFile8Bit(file, EL_YAMYAM);
6940   putFile8Bit(file, level->num_yamyam_contents);
6941   putFile8Bit(file, 0);
6942   putFile8Bit(file, 0);
6943
6944   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6945     for (y = 0; y < 3; y++)
6946       for (x = 0; x < 3; x++)
6947         if (level->encoding_16bit_field)
6948           putFile16BitBE(file, level->yamyam_content[i].e[x][y]);
6949         else
6950           putFile8Bit(file, level->yamyam_content[i].e[x][y]);
6951 }
6952 #endif
6953
6954 #if ENABLE_HISTORIC_CHUNKS
6955 static void SaveLevel_CNT2(FILE *file, struct LevelInfo *level, int element)
6956 {
6957   int i, x, y;
6958   int num_contents, content_xsize, content_ysize;
6959   int content_array[MAX_ELEMENT_CONTENTS][3][3];
6960
6961   if (element == EL_YAMYAM)
6962   {
6963     num_contents = level->num_yamyam_contents;
6964     content_xsize = 3;
6965     content_ysize = 3;
6966
6967     for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6968       for (y = 0; y < 3; y++)
6969         for (x = 0; x < 3; x++)
6970           content_array[i][x][y] = level->yamyam_content[i].e[x][y];
6971   }
6972   else if (element == EL_BD_AMOEBA)
6973   {
6974     num_contents = 1;
6975     content_xsize = 1;
6976     content_ysize = 1;
6977
6978     for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6979       for (y = 0; y < 3; y++)
6980         for (x = 0; x < 3; x++)
6981           content_array[i][x][y] = EL_EMPTY;
6982     content_array[0][0][0] = level->amoeba_content;
6983   }
6984   else
6985   {
6986     // chunk header already written -- write empty chunk data
6987     WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT2_SIZE);
6988
6989     Warn("cannot save content for element '%d'", element);
6990
6991     return;
6992   }
6993
6994   putFile16BitBE(file, element);
6995   putFile8Bit(file, num_contents);
6996   putFile8Bit(file, content_xsize);
6997   putFile8Bit(file, content_ysize);
6998
6999   WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT2_UNUSED);
7000
7001   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
7002     for (y = 0; y < 3; y++)
7003       for (x = 0; x < 3; x++)
7004         putFile16BitBE(file, content_array[i][x][y]);
7005 }
7006 #endif
7007
7008 #if ENABLE_HISTORIC_CHUNKS
7009 static int SaveLevel_CNT3(FILE *file, struct LevelInfo *level, int element)
7010 {
7011   int envelope_nr = element - EL_ENVELOPE_1;
7012   int envelope_len = strlen(level->envelope_text[envelope_nr]) + 1;
7013   int chunk_size = 0;
7014   int i;
7015
7016   chunk_size += putFile16BitBE(file, element);
7017   chunk_size += putFile16BitBE(file, envelope_len);
7018   chunk_size += putFile8Bit(file, level->envelope_xsize[envelope_nr]);
7019   chunk_size += putFile8Bit(file, level->envelope_ysize[envelope_nr]);
7020
7021   WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT3_UNUSED);
7022   chunk_size += LEVEL_CHUNK_CNT3_UNUSED;
7023
7024   for (i = 0; i < envelope_len; i++)
7025     chunk_size += putFile8Bit(file, level->envelope_text[envelope_nr][i]);
7026
7027   return chunk_size;
7028 }
7029 #endif
7030
7031 #if ENABLE_HISTORIC_CHUNKS
7032 static void SaveLevel_CUS1(FILE *file, struct LevelInfo *level,
7033                            int num_changed_custom_elements)
7034 {
7035   int i, check = 0;
7036
7037   putFile16BitBE(file, num_changed_custom_elements);
7038
7039   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
7040   {
7041     int element = EL_CUSTOM_START + i;
7042
7043     struct ElementInfo *ei = &element_info[element];
7044
7045     if (ei->properties[EP_BITFIELD_BASE_NR] != EP_BITMASK_DEFAULT)
7046     {
7047       if (check < num_changed_custom_elements)
7048       {
7049         putFile16BitBE(file, element);
7050         putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
7051       }
7052
7053       check++;
7054     }
7055   }
7056
7057   if (check != num_changed_custom_elements)     // should not happen
7058     Warn("inconsistent number of custom element properties");
7059 }
7060 #endif
7061
7062 #if ENABLE_HISTORIC_CHUNKS
7063 static void SaveLevel_CUS2(FILE *file, struct LevelInfo *level,
7064                            int num_changed_custom_elements)
7065 {
7066   int i, check = 0;
7067
7068   putFile16BitBE(file, num_changed_custom_elements);
7069
7070   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
7071   {
7072     int element = EL_CUSTOM_START + i;
7073
7074     if (element_info[element].change->target_element != EL_EMPTY_SPACE)
7075     {
7076       if (check < num_changed_custom_elements)
7077       {
7078         putFile16BitBE(file, element);
7079         putFile16BitBE(file, element_info[element].change->target_element);
7080       }
7081
7082       check++;
7083     }
7084   }
7085
7086   if (check != num_changed_custom_elements)     // should not happen
7087     Warn("inconsistent number of custom target elements");
7088 }
7089 #endif
7090
7091 #if ENABLE_HISTORIC_CHUNKS
7092 static void SaveLevel_CUS3(FILE *file, struct LevelInfo *level,
7093                            int num_changed_custom_elements)
7094 {
7095   int i, j, x, y, check = 0;
7096
7097   putFile16BitBE(file, num_changed_custom_elements);
7098
7099   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
7100   {
7101     int element = EL_CUSTOM_START + i;
7102     struct ElementInfo *ei = &element_info[element];
7103
7104     if (ei->modified_settings)
7105     {
7106       if (check < num_changed_custom_elements)
7107       {
7108         putFile16BitBE(file, element);
7109
7110         for (j = 0; j < MAX_ELEMENT_NAME_LEN; j++)
7111           putFile8Bit(file, ei->description[j]);
7112
7113         putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
7114
7115         // some free bytes for future properties and padding
7116         WriteUnusedBytesToFile(file, 7);
7117
7118         putFile8Bit(file, ei->use_gfx_element);
7119         putFile16BitBE(file, ei->gfx_element_initial);
7120
7121         putFile8Bit(file, ei->collect_score_initial);
7122         putFile8Bit(file, ei->collect_count_initial);
7123
7124         putFile16BitBE(file, ei->push_delay_fixed);
7125         putFile16BitBE(file, ei->push_delay_random);
7126         putFile16BitBE(file, ei->move_delay_fixed);
7127         putFile16BitBE(file, ei->move_delay_random);
7128
7129         putFile16BitBE(file, ei->move_pattern);
7130         putFile8Bit(file, ei->move_direction_initial);
7131         putFile8Bit(file, ei->move_stepsize);
7132
7133         for (y = 0; y < 3; y++)
7134           for (x = 0; x < 3; x++)
7135             putFile16BitBE(file, ei->content.e[x][y]);
7136
7137         putFile32BitBE(file, ei->change->events);
7138
7139         putFile16BitBE(file, ei->change->target_element);
7140
7141         putFile16BitBE(file, ei->change->delay_fixed);
7142         putFile16BitBE(file, ei->change->delay_random);
7143         putFile16BitBE(file, ei->change->delay_frames);
7144
7145         putFile16BitBE(file, ei->change->initial_trigger_element);
7146
7147         putFile8Bit(file, ei->change->explode);
7148         putFile8Bit(file, ei->change->use_target_content);
7149         putFile8Bit(file, ei->change->only_if_complete);
7150         putFile8Bit(file, ei->change->use_random_replace);
7151
7152         putFile8Bit(file, ei->change->random_percentage);
7153         putFile8Bit(file, ei->change->replace_when);
7154
7155         for (y = 0; y < 3; y++)
7156           for (x = 0; x < 3; x++)
7157             putFile16BitBE(file, ei->change->content.e[x][y]);
7158
7159         putFile8Bit(file, ei->slippery_type);
7160
7161         // some free bytes for future properties and padding
7162         WriteUnusedBytesToFile(file, LEVEL_CPART_CUS3_UNUSED);
7163       }
7164
7165       check++;
7166     }
7167   }
7168
7169   if (check != num_changed_custom_elements)     // should not happen
7170     Warn("inconsistent number of custom element properties");
7171 }
7172 #endif
7173
7174 #if ENABLE_HISTORIC_CHUNKS
7175 static void SaveLevel_CUS4(FILE *file, struct LevelInfo *level, int element)
7176 {
7177   struct ElementInfo *ei = &element_info[element];
7178   int i, j, x, y;
7179
7180   // ---------- custom element base property values (96 bytes) ----------------
7181
7182   putFile16BitBE(file, element);
7183
7184   for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
7185     putFile8Bit(file, ei->description[i]);
7186
7187   putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
7188
7189   WriteUnusedBytesToFile(file, 4);      // reserved for more base properties
7190
7191   putFile8Bit(file, ei->num_change_pages);
7192
7193   putFile16BitBE(file, ei->ce_value_fixed_initial);
7194   putFile16BitBE(file, ei->ce_value_random_initial);
7195   putFile8Bit(file, ei->use_last_ce_value);
7196
7197   putFile8Bit(file, ei->use_gfx_element);
7198   putFile16BitBE(file, ei->gfx_element_initial);
7199
7200   putFile8Bit(file, ei->collect_score_initial);
7201   putFile8Bit(file, ei->collect_count_initial);
7202
7203   putFile8Bit(file, ei->drop_delay_fixed);
7204   putFile8Bit(file, ei->push_delay_fixed);
7205   putFile8Bit(file, ei->drop_delay_random);
7206   putFile8Bit(file, ei->push_delay_random);
7207   putFile16BitBE(file, ei->move_delay_fixed);
7208   putFile16BitBE(file, ei->move_delay_random);
7209
7210   // bits 0 - 15 of "move_pattern" ...
7211   putFile16BitBE(file, ei->move_pattern & 0xffff);
7212   putFile8Bit(file, ei->move_direction_initial);
7213   putFile8Bit(file, ei->move_stepsize);
7214
7215   putFile8Bit(file, ei->slippery_type);
7216
7217   for (y = 0; y < 3; y++)
7218     for (x = 0; x < 3; x++)
7219       putFile16BitBE(file, ei->content.e[x][y]);
7220
7221   putFile16BitBE(file, ei->move_enter_element);
7222   putFile16BitBE(file, ei->move_leave_element);
7223   putFile8Bit(file, ei->move_leave_type);
7224
7225   // ... bits 16 - 31 of "move_pattern" (not nice, but downward compatible)
7226   putFile16BitBE(file, (ei->move_pattern >> 16) & 0xffff);
7227
7228   putFile8Bit(file, ei->access_direction);
7229
7230   putFile8Bit(file, ei->explosion_delay);
7231   putFile8Bit(file, ei->ignition_delay);
7232   putFile8Bit(file, ei->explosion_type);
7233
7234   // some free bytes for future custom property values and padding
7235   WriteUnusedBytesToFile(file, 1);
7236
7237   // ---------- change page property values (48 bytes) ------------------------
7238
7239   for (i = 0; i < ei->num_change_pages; i++)
7240   {
7241     struct ElementChangeInfo *change = &ei->change_page[i];
7242     unsigned int event_bits;
7243
7244     // bits 0 - 31 of "has_event[]" ...
7245     event_bits = 0;
7246     for (j = 0; j < MIN(NUM_CHANGE_EVENTS, 32); j++)
7247       if (change->has_event[j])
7248         event_bits |= (1 << j);
7249     putFile32BitBE(file, event_bits);
7250
7251     putFile16BitBE(file, change->target_element);
7252
7253     putFile16BitBE(file, change->delay_fixed);
7254     putFile16BitBE(file, change->delay_random);
7255     putFile16BitBE(file, change->delay_frames);
7256
7257     putFile16BitBE(file, change->initial_trigger_element);
7258
7259     putFile8Bit(file, change->explode);
7260     putFile8Bit(file, change->use_target_content);
7261     putFile8Bit(file, change->only_if_complete);
7262     putFile8Bit(file, change->use_random_replace);
7263
7264     putFile8Bit(file, change->random_percentage);
7265     putFile8Bit(file, change->replace_when);
7266
7267     for (y = 0; y < 3; y++)
7268       for (x = 0; x < 3; x++)
7269         putFile16BitBE(file, change->target_content.e[x][y]);
7270
7271     putFile8Bit(file, change->can_change);
7272
7273     putFile8Bit(file, change->trigger_side);
7274
7275     putFile8Bit(file, change->trigger_player);
7276     putFile8Bit(file, (change->trigger_page == CH_PAGE_ANY ? CH_PAGE_ANY_FILE :
7277                        log_2(change->trigger_page)));
7278
7279     putFile8Bit(file, change->has_action);
7280     putFile8Bit(file, change->action_type);
7281     putFile8Bit(file, change->action_mode);
7282     putFile16BitBE(file, change->action_arg);
7283
7284     // ... bits 32 - 39 of "has_event[]" (not nice, but downward compatible)
7285     event_bits = 0;
7286     for (j = 32; j < NUM_CHANGE_EVENTS; j++)
7287       if (change->has_event[j])
7288         event_bits |= (1 << (j - 32));
7289     putFile8Bit(file, event_bits);
7290   }
7291 }
7292 #endif
7293
7294 #if ENABLE_HISTORIC_CHUNKS
7295 static void SaveLevel_GRP1(FILE *file, struct LevelInfo *level, int element)
7296 {
7297   struct ElementInfo *ei = &element_info[element];
7298   struct ElementGroupInfo *group = ei->group;
7299   int i;
7300
7301   putFile16BitBE(file, element);
7302
7303   for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
7304     putFile8Bit(file, ei->description[i]);
7305
7306   putFile8Bit(file, group->num_elements);
7307
7308   putFile8Bit(file, ei->use_gfx_element);
7309   putFile16BitBE(file, ei->gfx_element_initial);
7310
7311   putFile8Bit(file, group->choice_mode);
7312
7313   // some free bytes for future values and padding
7314   WriteUnusedBytesToFile(file, 3);
7315
7316   for (i = 0; i < MAX_ELEMENTS_IN_GROUP; i++)
7317     putFile16BitBE(file, group->element[i]);
7318 }
7319 #endif
7320
7321 static int SaveLevel_MicroChunk(FILE *file, struct LevelFileConfigInfo *entry,
7322                                 boolean write_element)
7323 {
7324   int save_type = entry->save_type;
7325   int data_type = entry->data_type;
7326   int conf_type = entry->conf_type;
7327   int byte_mask = conf_type & CONF_MASK_BYTES;
7328   int element = entry->element;
7329   int default_value = entry->default_value;
7330   int num_bytes = 0;
7331   boolean modified = FALSE;
7332
7333   if (byte_mask != CONF_MASK_MULTI_BYTES)
7334   {
7335     void *value_ptr = entry->value;
7336     int value = (data_type == TYPE_BOOLEAN ? *(boolean *)value_ptr :
7337                  *(int *)value_ptr);
7338
7339     // check if any settings have been modified before saving them
7340     if (value != default_value)
7341       modified = TRUE;
7342
7343     // do not save if explicitly told or if unmodified default settings
7344     if ((save_type == SAVE_CONF_NEVER) ||
7345         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7346       return 0;
7347
7348     if (write_element)
7349       num_bytes += putFile16BitBE(file, element);
7350
7351     num_bytes += putFile8Bit(file, conf_type);
7352     num_bytes += (byte_mask == CONF_MASK_1_BYTE ? putFile8Bit   (file, value) :
7353                   byte_mask == CONF_MASK_2_BYTE ? putFile16BitBE(file, value) :
7354                   byte_mask == CONF_MASK_4_BYTE ? putFile32BitBE(file, value) :
7355                   0);
7356   }
7357   else if (data_type == TYPE_STRING)
7358   {
7359     char *default_string = entry->default_string;
7360     char *string = (char *)(entry->value);
7361     int string_length = strlen(string);
7362     int i;
7363
7364     // check if any settings have been modified before saving them
7365     if (!strEqual(string, default_string))
7366       modified = TRUE;
7367
7368     // do not save if explicitly told or if unmodified default settings
7369     if ((save_type == SAVE_CONF_NEVER) ||
7370         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7371       return 0;
7372
7373     if (write_element)
7374       num_bytes += putFile16BitBE(file, element);
7375
7376     num_bytes += putFile8Bit(file, conf_type);
7377     num_bytes += putFile16BitBE(file, string_length);
7378
7379     for (i = 0; i < string_length; i++)
7380       num_bytes += putFile8Bit(file, string[i]);
7381   }
7382   else if (data_type == TYPE_ELEMENT_LIST)
7383   {
7384     int *element_array = (int *)(entry->value);
7385     int num_elements = *(int *)(entry->num_entities);
7386     int i;
7387
7388     // check if any settings have been modified before saving them
7389     for (i = 0; i < num_elements; i++)
7390       if (element_array[i] != default_value)
7391         modified = TRUE;
7392
7393     // do not save if explicitly told or if unmodified default settings
7394     if ((save_type == SAVE_CONF_NEVER) ||
7395         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7396       return 0;
7397
7398     if (write_element)
7399       num_bytes += putFile16BitBE(file, element);
7400
7401     num_bytes += putFile8Bit(file, conf_type);
7402     num_bytes += putFile16BitBE(file, num_elements * CONF_ELEMENT_NUM_BYTES);
7403
7404     for (i = 0; i < num_elements; i++)
7405       num_bytes += putFile16BitBE(file, element_array[i]);
7406   }
7407   else if (data_type == TYPE_CONTENT_LIST)
7408   {
7409     struct Content *content = (struct Content *)(entry->value);
7410     int num_contents = *(int *)(entry->num_entities);
7411     int i, x, y;
7412
7413     // check if any settings have been modified before saving them
7414     for (i = 0; i < num_contents; i++)
7415       for (y = 0; y < 3; y++)
7416         for (x = 0; x < 3; x++)
7417           if (content[i].e[x][y] != default_value)
7418             modified = TRUE;
7419
7420     // do not save if explicitly told or if unmodified default settings
7421     if ((save_type == SAVE_CONF_NEVER) ||
7422         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7423       return 0;
7424
7425     if (write_element)
7426       num_bytes += putFile16BitBE(file, element);
7427
7428     num_bytes += putFile8Bit(file, conf_type);
7429     num_bytes += putFile16BitBE(file, num_contents * CONF_CONTENT_NUM_BYTES);
7430
7431     for (i = 0; i < num_contents; i++)
7432       for (y = 0; y < 3; y++)
7433         for (x = 0; x < 3; x++)
7434           num_bytes += putFile16BitBE(file, content[i].e[x][y]);
7435   }
7436
7437   return num_bytes;
7438 }
7439
7440 static int SaveLevel_INFO(FILE *file, struct LevelInfo *level)
7441 {
7442   int chunk_size = 0;
7443   int i;
7444
7445   li = *level;          // copy level data into temporary buffer
7446
7447   for (i = 0; chunk_config_INFO[i].data_type != -1; i++)
7448     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_INFO[i], FALSE);
7449
7450   return chunk_size;
7451 }
7452
7453 static int SaveLevel_ELEM(FILE *file, struct LevelInfo *level)
7454 {
7455   int chunk_size = 0;
7456   int i;
7457
7458   li = *level;          // copy level data into temporary buffer
7459
7460   for (i = 0; chunk_config_ELEM[i].data_type != -1; i++)
7461     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_ELEM[i], TRUE);
7462
7463   return chunk_size;
7464 }
7465
7466 static int SaveLevel_NOTE(FILE *file, struct LevelInfo *level, int element)
7467 {
7468   int envelope_nr = element - EL_ENVELOPE_1;
7469   int chunk_size = 0;
7470   int i;
7471
7472   chunk_size += putFile16BitBE(file, element);
7473
7474   // copy envelope data into temporary buffer
7475   xx_envelope = level->envelope[envelope_nr];
7476
7477   for (i = 0; chunk_config_NOTE[i].data_type != -1; i++)
7478     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_NOTE[i], FALSE);
7479
7480   return chunk_size;
7481 }
7482
7483 static int SaveLevel_CUSX(FILE *file, struct LevelInfo *level, int element)
7484 {
7485   struct ElementInfo *ei = &element_info[element];
7486   int chunk_size = 0;
7487   int i, j;
7488
7489   chunk_size += putFile16BitBE(file, element);
7490
7491   xx_ei = *ei;          // copy element data into temporary buffer
7492
7493   // set default description string for this specific element
7494   strcpy(xx_default_description, getDefaultElementDescription(ei));
7495
7496   for (i = 0; chunk_config_CUSX_base[i].data_type != -1; i++)
7497     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_CUSX_base[i], FALSE);
7498
7499   for (i = 0; i < ei->num_change_pages; i++)
7500   {
7501     struct ElementChangeInfo *change = &ei->change_page[i];
7502
7503     xx_current_change_page = i;
7504
7505     xx_change = *change;        // copy change data into temporary buffer
7506
7507     resetEventBits();
7508     setEventBitsFromEventFlags(change);
7509
7510     for (j = 0; chunk_config_CUSX_change[j].data_type != -1; j++)
7511       chunk_size += SaveLevel_MicroChunk(file, &chunk_config_CUSX_change[j],
7512                                          FALSE);
7513   }
7514
7515   return chunk_size;
7516 }
7517
7518 static int SaveLevel_GRPX(FILE *file, struct LevelInfo *level, int element)
7519 {
7520   struct ElementInfo *ei = &element_info[element];
7521   struct ElementGroupInfo *group = ei->group;
7522   int chunk_size = 0;
7523   int i;
7524
7525   chunk_size += putFile16BitBE(file, element);
7526
7527   xx_ei = *ei;          // copy element data into temporary buffer
7528   xx_group = *group;    // copy group data into temporary buffer
7529
7530   // set default description string for this specific element
7531   strcpy(xx_default_description, getDefaultElementDescription(ei));
7532
7533   for (i = 0; chunk_config_GRPX[i].data_type != -1; i++)
7534     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_GRPX[i], FALSE);
7535
7536   return chunk_size;
7537 }
7538
7539 static void SaveLevelFromFilename(struct LevelInfo *level, char *filename,
7540                                   boolean save_as_template)
7541 {
7542   int chunk_size;
7543   int i;
7544   FILE *file;
7545
7546   if (!(file = fopen(filename, MODE_WRITE)))
7547   {
7548     Warn("cannot save level file '%s'", filename);
7549
7550     return;
7551   }
7552
7553   level->file_version = FILE_VERSION_ACTUAL;
7554   level->game_version = GAME_VERSION_ACTUAL;
7555
7556   level->creation_date = getCurrentDate();
7557
7558   putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
7559   putFileChunkBE(file, "CAVE", CHUNK_SIZE_NONE);
7560
7561   chunk_size = SaveLevel_VERS(NULL, level);
7562   putFileChunkBE(file, "VERS", chunk_size);
7563   SaveLevel_VERS(file, level);
7564
7565   chunk_size = SaveLevel_DATE(NULL, level);
7566   putFileChunkBE(file, "DATE", chunk_size);
7567   SaveLevel_DATE(file, level);
7568
7569   chunk_size = SaveLevel_NAME(NULL, level);
7570   putFileChunkBE(file, "NAME", chunk_size);
7571   SaveLevel_NAME(file, level);
7572
7573   chunk_size = SaveLevel_AUTH(NULL, level);
7574   putFileChunkBE(file, "AUTH", chunk_size);
7575   SaveLevel_AUTH(file, level);
7576
7577   chunk_size = SaveLevel_INFO(NULL, level);
7578   putFileChunkBE(file, "INFO", chunk_size);
7579   SaveLevel_INFO(file, level);
7580
7581   chunk_size = SaveLevel_BODY(NULL, level);
7582   putFileChunkBE(file, "BODY", chunk_size);
7583   SaveLevel_BODY(file, level);
7584
7585   chunk_size = SaveLevel_ELEM(NULL, level);
7586   if (chunk_size > LEVEL_CHUNK_ELEM_UNCHANGED)          // save if changed
7587   {
7588     putFileChunkBE(file, "ELEM", chunk_size);
7589     SaveLevel_ELEM(file, level);
7590   }
7591
7592   for (i = 0; i < NUM_ENVELOPES; i++)
7593   {
7594     int element = EL_ENVELOPE_1 + i;
7595
7596     chunk_size = SaveLevel_NOTE(NULL, level, element);
7597     if (chunk_size > LEVEL_CHUNK_NOTE_UNCHANGED)        // save if changed
7598     {
7599       putFileChunkBE(file, "NOTE", chunk_size);
7600       SaveLevel_NOTE(file, level, element);
7601     }
7602   }
7603
7604   // if not using template level, check for non-default custom/group elements
7605   if (!level->use_custom_template || save_as_template)
7606   {
7607     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
7608     {
7609       int element = EL_CUSTOM_START + i;
7610
7611       chunk_size = SaveLevel_CUSX(NULL, level, element);
7612       if (chunk_size > LEVEL_CHUNK_CUSX_UNCHANGED)      // save if changed
7613       {
7614         putFileChunkBE(file, "CUSX", chunk_size);
7615         SaveLevel_CUSX(file, level, element);
7616       }
7617     }
7618
7619     for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
7620     {
7621       int element = EL_GROUP_START + i;
7622
7623       chunk_size = SaveLevel_GRPX(NULL, level, element);
7624       if (chunk_size > LEVEL_CHUNK_GRPX_UNCHANGED)      // save if changed
7625       {
7626         putFileChunkBE(file, "GRPX", chunk_size);
7627         SaveLevel_GRPX(file, level, element);
7628       }
7629     }
7630   }
7631
7632   fclose(file);
7633
7634   SetFilePermissions(filename, PERMS_PRIVATE);
7635 }
7636
7637 void SaveLevel(int nr)
7638 {
7639   char *filename = getDefaultLevelFilename(nr);
7640
7641   SaveLevelFromFilename(&level, filename, FALSE);
7642 }
7643
7644 void SaveLevelTemplate(void)
7645 {
7646   char *filename = getLocalLevelTemplateFilename();
7647
7648   SaveLevelFromFilename(&level, filename, TRUE);
7649 }
7650
7651 boolean SaveLevelChecked(int nr)
7652 {
7653   char *filename = getDefaultLevelFilename(nr);
7654   boolean new_level = !fileExists(filename);
7655   boolean level_saved = FALSE;
7656
7657   if (new_level || Request("Save this level and kill the old?", REQ_ASK))
7658   {
7659     SaveLevel(nr);
7660
7661     if (new_level)
7662       Request("Level saved!", REQ_CONFIRM);
7663
7664     level_saved = TRUE;
7665   }
7666
7667   return level_saved;
7668 }
7669
7670 void DumpLevel(struct LevelInfo *level)
7671 {
7672   if (level->no_level_file || level->no_valid_file)
7673   {
7674     Warn("cannot dump -- no valid level file found");
7675
7676     return;
7677   }
7678
7679   PrintLine("-", 79);
7680   Print("Level xxx (file version %08d, game version %08d)\n",
7681         level->file_version, level->game_version);
7682   PrintLine("-", 79);
7683
7684   Print("Level author: '%s'\n", level->author);
7685   Print("Level title:  '%s'\n", level->name);
7686   Print("\n");
7687   Print("Playfield size: %d x %d\n", level->fieldx, level->fieldy);
7688   Print("\n");
7689   Print("Level time:  %d seconds\n", level->time);
7690   Print("Gems needed: %d\n", level->gems_needed);
7691   Print("\n");
7692   Print("Time for magic wall: %d seconds\n", level->time_magic_wall);
7693   Print("Time for wheel:      %d seconds\n", level->time_wheel);
7694   Print("Time for light:      %d seconds\n", level->time_light);
7695   Print("Time for timegate:   %d seconds\n", level->time_timegate);
7696   Print("\n");
7697   Print("Amoeba speed: %d\n", level->amoeba_speed);
7698   Print("\n");
7699
7700   Print("EM style slippery gems:      %s\n", (level->em_slippery_gems ? "yes" : "no"));
7701   Print("Player blocks last field:    %s\n", (level->block_last_field ? "yes" : "no"));
7702   Print("SP player blocks last field: %s\n", (level->sp_block_last_field ? "yes" : "no"));
7703   Print("use spring bug: %s\n", (level->use_spring_bug ? "yes" : "no"));
7704   Print("use step counter: %s\n", (level->use_step_counter ? "yes" : "no"));
7705   Print("rate time over score: %s\n", (level->rate_time_over_score ? "yes" : "no"));
7706
7707   PrintLine("-", 79);
7708 }
7709
7710 void DumpLevels(void)
7711 {
7712   static LevelDirTree *dumplevel_leveldir = NULL;
7713
7714   dumplevel_leveldir = getTreeInfoFromIdentifier(leveldir_first,
7715                                                  global.dumplevel_leveldir);
7716
7717   if (dumplevel_leveldir == NULL)
7718     Fail("no such level identifier: '%s'", global.dumplevel_leveldir);
7719
7720   if (global.dumplevel_level_nr < dumplevel_leveldir->first_level ||
7721       global.dumplevel_level_nr > dumplevel_leveldir->last_level)
7722     Fail("no such level number: %d", global.dumplevel_level_nr);
7723
7724   leveldir_current = dumplevel_leveldir;
7725
7726   LoadLevel(global.dumplevel_level_nr);
7727   DumpLevel(&level);
7728
7729   CloseAllAndExit(0);
7730 }
7731
7732
7733 // ============================================================================
7734 // tape file functions
7735 // ============================================================================
7736
7737 static void setTapeInfoToDefaults(void)
7738 {
7739   int i;
7740
7741   // always start with reliable default values (empty tape)
7742   TapeErase();
7743
7744   // default values (also for pre-1.2 tapes) with only the first player
7745   tape.player_participates[0] = TRUE;
7746   for (i = 1; i < MAX_PLAYERS; i++)
7747     tape.player_participates[i] = FALSE;
7748
7749   // at least one (default: the first) player participates in every tape
7750   tape.num_participating_players = 1;
7751
7752   tape.property_bits = TAPE_PROPERTY_NONE;
7753
7754   tape.level_nr = level_nr;
7755   tape.counter = 0;
7756   tape.changed = FALSE;
7757
7758   tape.recording = FALSE;
7759   tape.playing = FALSE;
7760   tape.pausing = FALSE;
7761
7762   tape.scr_fieldx = SCR_FIELDX_DEFAULT;
7763   tape.scr_fieldy = SCR_FIELDY_DEFAULT;
7764
7765   tape.no_valid_file = FALSE;
7766 }
7767
7768 static int getTapePosSize(struct TapeInfo *tape)
7769 {
7770   int tape_pos_size = 0;
7771
7772   if (tape->use_key_actions)
7773     tape_pos_size += tape->num_participating_players;
7774
7775   if (tape->use_mouse_actions)
7776     tape_pos_size += 3;         // x and y position and mouse button mask
7777
7778   tape_pos_size += 1;           // tape action delay value
7779
7780   return tape_pos_size;
7781 }
7782
7783 static void setTapeActionFlags(struct TapeInfo *tape, int value)
7784 {
7785   tape->use_key_actions = FALSE;
7786   tape->use_mouse_actions = FALSE;
7787
7788   if (value != TAPE_USE_MOUSE_ACTIONS_ONLY)
7789     tape->use_key_actions = TRUE;
7790
7791   if (value != TAPE_USE_KEY_ACTIONS_ONLY)
7792     tape->use_mouse_actions = TRUE;
7793 }
7794
7795 static int getTapeActionValue(struct TapeInfo *tape)
7796 {
7797   return (tape->use_key_actions &&
7798           tape->use_mouse_actions ? TAPE_USE_KEY_AND_MOUSE_ACTIONS :
7799           tape->use_key_actions   ? TAPE_USE_KEY_ACTIONS_ONLY :
7800           tape->use_mouse_actions ? TAPE_USE_MOUSE_ACTIONS_ONLY :
7801           TAPE_ACTIONS_DEFAULT);
7802 }
7803
7804 static int LoadTape_VERS(File *file, int chunk_size, struct TapeInfo *tape)
7805 {
7806   tape->file_version = getFileVersion(file);
7807   tape->game_version = getFileVersion(file);
7808
7809   return chunk_size;
7810 }
7811
7812 static int LoadTape_HEAD(File *file, int chunk_size, struct TapeInfo *tape)
7813 {
7814   int i;
7815
7816   tape->random_seed = getFile32BitBE(file);
7817   tape->date        = getFile32BitBE(file);
7818   tape->length      = getFile32BitBE(file);
7819
7820   // read header fields that are new since version 1.2
7821   if (tape->file_version >= FILE_VERSION_1_2)
7822   {
7823     byte store_participating_players = getFile8Bit(file);
7824     int engine_version;
7825
7826     // since version 1.2, tapes store which players participate in the tape
7827     tape->num_participating_players = 0;
7828     for (i = 0; i < MAX_PLAYERS; i++)
7829     {
7830       tape->player_participates[i] = FALSE;
7831
7832       if (store_participating_players & (1 << i))
7833       {
7834         tape->player_participates[i] = TRUE;
7835         tape->num_participating_players++;
7836       }
7837     }
7838
7839     setTapeActionFlags(tape, getFile8Bit(file));
7840
7841     tape->property_bits = getFile8Bit(file);
7842
7843     ReadUnusedBytesFromFile(file, TAPE_CHUNK_HEAD_UNUSED);
7844
7845     engine_version = getFileVersion(file);
7846     if (engine_version > 0)
7847       tape->engine_version = engine_version;
7848     else
7849       tape->engine_version = tape->game_version;
7850   }
7851
7852   return chunk_size;
7853 }
7854
7855 static int LoadTape_SCRN(File *file, int chunk_size, struct TapeInfo *tape)
7856 {
7857   tape->scr_fieldx = getFile8Bit(file);
7858   tape->scr_fieldy = getFile8Bit(file);
7859
7860   return chunk_size;
7861 }
7862
7863 static int LoadTape_INFO(File *file, int chunk_size, struct TapeInfo *tape)
7864 {
7865   char *level_identifier = NULL;
7866   int level_identifier_size;
7867   int i;
7868
7869   level_identifier_size = getFile16BitBE(file);
7870
7871   level_identifier = checked_malloc(level_identifier_size);
7872
7873   for (i = 0; i < level_identifier_size; i++)
7874     level_identifier[i] = getFile8Bit(file);
7875
7876   strncpy(tape->level_identifier, level_identifier, MAX_FILENAME_LEN);
7877   tape->level_identifier[MAX_FILENAME_LEN] = '\0';
7878
7879   checked_free(level_identifier);
7880
7881   tape->level_nr = getFile16BitBE(file);
7882
7883   chunk_size = 2 + level_identifier_size + 2;
7884
7885   return chunk_size;
7886 }
7887
7888 static int LoadTape_BODY(File *file, int chunk_size, struct TapeInfo *tape)
7889 {
7890   int i, j;
7891   int tape_pos_size = getTapePosSize(tape);
7892   int chunk_size_expected = tape_pos_size * tape->length;
7893
7894   if (chunk_size_expected != chunk_size)
7895   {
7896     ReadUnusedBytesFromFile(file, chunk_size);
7897     return chunk_size_expected;
7898   }
7899
7900   for (i = 0; i < tape->length; i++)
7901   {
7902     if (i >= MAX_TAPE_LEN)
7903     {
7904       Warn("tape truncated -- size exceeds maximum tape size %d",
7905             MAX_TAPE_LEN);
7906
7907       // tape too large; read and ignore remaining tape data from this chunk
7908       for (;i < tape->length; i++)
7909         ReadUnusedBytesFromFile(file, tape_pos_size);
7910
7911       break;
7912     }
7913
7914     if (tape->use_key_actions)
7915     {
7916       for (j = 0; j < MAX_PLAYERS; j++)
7917       {
7918         tape->pos[i].action[j] = MV_NONE;
7919
7920         if (tape->player_participates[j])
7921           tape->pos[i].action[j] = getFile8Bit(file);
7922       }
7923     }
7924
7925     if (tape->use_mouse_actions)
7926     {
7927       tape->pos[i].action[TAPE_ACTION_LX]     = getFile8Bit(file);
7928       tape->pos[i].action[TAPE_ACTION_LY]     = getFile8Bit(file);
7929       tape->pos[i].action[TAPE_ACTION_BUTTON] = getFile8Bit(file);
7930     }
7931
7932     tape->pos[i].delay = getFile8Bit(file);
7933
7934     if (tape->file_version == FILE_VERSION_1_0)
7935     {
7936       // eliminate possible diagonal moves in old tapes
7937       // this is only for backward compatibility
7938
7939       byte joy_dir[4] = { JOY_LEFT, JOY_RIGHT, JOY_UP, JOY_DOWN };
7940       byte action = tape->pos[i].action[0];
7941       int k, num_moves = 0;
7942
7943       for (k = 0; k<4; k++)
7944       {
7945         if (action & joy_dir[k])
7946         {
7947           tape->pos[i + num_moves].action[0] = joy_dir[k];
7948           if (num_moves > 0)
7949             tape->pos[i + num_moves].delay = 0;
7950           num_moves++;
7951         }
7952       }
7953
7954       if (num_moves > 1)
7955       {
7956         num_moves--;
7957         i += num_moves;
7958         tape->length += num_moves;
7959       }
7960     }
7961     else if (tape->file_version < FILE_VERSION_2_0)
7962     {
7963       // convert pre-2.0 tapes to new tape format
7964
7965       if (tape->pos[i].delay > 1)
7966       {
7967         // action part
7968         tape->pos[i + 1] = tape->pos[i];
7969         tape->pos[i + 1].delay = 1;
7970
7971         // delay part
7972         for (j = 0; j < MAX_PLAYERS; j++)
7973           tape->pos[i].action[j] = MV_NONE;
7974         tape->pos[i].delay--;
7975
7976         i++;
7977         tape->length++;
7978       }
7979     }
7980
7981     if (checkEndOfFile(file))
7982       break;
7983   }
7984
7985   if (i != tape->length)
7986     chunk_size = tape_pos_size * i;
7987
7988   return chunk_size;
7989 }
7990
7991 static void LoadTape_SokobanSolution(char *filename)
7992 {
7993   File *file;
7994   int move_delay = TILESIZE / level.initial_player_stepsize[0];
7995
7996   if (!(file = openFile(filename, MODE_READ)))
7997   {
7998     tape.no_valid_file = TRUE;
7999
8000     return;
8001   }
8002
8003   while (!checkEndOfFile(file))
8004   {
8005     unsigned char c = getByteFromFile(file);
8006
8007     if (checkEndOfFile(file))
8008       break;
8009
8010     switch (c)
8011     {
8012       case 'u':
8013       case 'U':
8014         tape.pos[tape.length].action[0] = MV_UP;
8015         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
8016         tape.length++;
8017         break;
8018
8019       case 'd':
8020       case 'D':
8021         tape.pos[tape.length].action[0] = MV_DOWN;
8022         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
8023         tape.length++;
8024         break;
8025
8026       case 'l':
8027       case 'L':
8028         tape.pos[tape.length].action[0] = MV_LEFT;
8029         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
8030         tape.length++;
8031         break;
8032
8033       case 'r':
8034       case 'R':
8035         tape.pos[tape.length].action[0] = MV_RIGHT;
8036         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
8037         tape.length++;
8038         break;
8039
8040       case '\n':
8041       case '\r':
8042       case '\t':
8043       case ' ':
8044         // ignore white-space characters
8045         break;
8046
8047       default:
8048         tape.no_valid_file = TRUE;
8049
8050         Warn("unsupported Sokoban solution file '%s' ['%d']", filename, c);
8051
8052         break;
8053     }
8054   }
8055
8056   closeFile(file);
8057
8058   if (tape.no_valid_file)
8059     return;
8060
8061   tape.length_frames  = GetTapeLengthFrames();
8062   tape.length_seconds = GetTapeLengthSeconds();
8063 }
8064
8065 void LoadTapeFromFilename(char *filename)
8066 {
8067   char cookie[MAX_LINE_LEN];
8068   char chunk_name[CHUNK_ID_LEN + 1];
8069   File *file;
8070   int chunk_size;
8071
8072   // always start with reliable default values
8073   setTapeInfoToDefaults();
8074
8075   if (strSuffix(filename, ".sln"))
8076   {
8077     LoadTape_SokobanSolution(filename);
8078
8079     return;
8080   }
8081
8082   if (!(file = openFile(filename, MODE_READ)))
8083   {
8084     tape.no_valid_file = TRUE;
8085
8086     return;
8087   }
8088
8089   getFileChunkBE(file, chunk_name, NULL);
8090   if (strEqual(chunk_name, "RND1"))
8091   {
8092     getFile32BitBE(file);               // not used
8093
8094     getFileChunkBE(file, chunk_name, NULL);
8095     if (!strEqual(chunk_name, "TAPE"))
8096     {
8097       tape.no_valid_file = TRUE;
8098
8099       Warn("unknown format of tape file '%s'", filename);
8100
8101       closeFile(file);
8102
8103       return;
8104     }
8105   }
8106   else  // check for pre-2.0 file format with cookie string
8107   {
8108     strcpy(cookie, chunk_name);
8109     if (getStringFromFile(file, &cookie[4], MAX_LINE_LEN - 4) == NULL)
8110       cookie[4] = '\0';
8111     if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
8112       cookie[strlen(cookie) - 1] = '\0';
8113
8114     if (!checkCookieString(cookie, TAPE_COOKIE_TMPL))
8115     {
8116       tape.no_valid_file = TRUE;
8117
8118       Warn("unknown format of tape file '%s'", filename);
8119
8120       closeFile(file);
8121
8122       return;
8123     }
8124
8125     if ((tape.file_version = getFileVersionFromCookieString(cookie)) == -1)
8126     {
8127       tape.no_valid_file = TRUE;
8128
8129       Warn("unsupported version of tape file '%s'", filename);
8130
8131       closeFile(file);
8132
8133       return;
8134     }
8135
8136     // pre-2.0 tape files have no game version, so use file version here
8137     tape.game_version = tape.file_version;
8138   }
8139
8140   if (tape.file_version < FILE_VERSION_1_2)
8141   {
8142     // tape files from versions before 1.2.0 without chunk structure
8143     LoadTape_HEAD(file, TAPE_CHUNK_HEAD_SIZE, &tape);
8144     LoadTape_BODY(file, 2 * tape.length,      &tape);
8145   }
8146   else
8147   {
8148     static struct
8149     {
8150       char *name;
8151       int size;
8152       int (*loader)(File *, int, struct TapeInfo *);
8153     }
8154     chunk_info[] =
8155     {
8156       { "VERS", TAPE_CHUNK_VERS_SIZE,   LoadTape_VERS },
8157       { "HEAD", TAPE_CHUNK_HEAD_SIZE,   LoadTape_HEAD },
8158       { "SCRN", TAPE_CHUNK_SCRN_SIZE,   LoadTape_SCRN },
8159       { "INFO", -1,                     LoadTape_INFO },
8160       { "BODY", -1,                     LoadTape_BODY },
8161       {  NULL,  0,                      NULL }
8162     };
8163
8164     while (getFileChunkBE(file, chunk_name, &chunk_size))
8165     {
8166       int i = 0;
8167
8168       while (chunk_info[i].name != NULL &&
8169              !strEqual(chunk_name, chunk_info[i].name))
8170         i++;
8171
8172       if (chunk_info[i].name == NULL)
8173       {
8174         Warn("unknown chunk '%s' in tape file '%s'",
8175               chunk_name, filename);
8176
8177         ReadUnusedBytesFromFile(file, chunk_size);
8178       }
8179       else if (chunk_info[i].size != -1 &&
8180                chunk_info[i].size != chunk_size)
8181       {
8182         Warn("wrong size (%d) of chunk '%s' in tape file '%s'",
8183               chunk_size, chunk_name, filename);
8184
8185         ReadUnusedBytesFromFile(file, chunk_size);
8186       }
8187       else
8188       {
8189         // call function to load this tape chunk
8190         int chunk_size_expected =
8191           (chunk_info[i].loader)(file, chunk_size, &tape);
8192
8193         // the size of some chunks cannot be checked before reading other
8194         // chunks first (like "HEAD" and "BODY") that contain some header
8195         // information, so check them here
8196         if (chunk_size_expected != chunk_size)
8197         {
8198           Warn("wrong size (%d) of chunk '%s' in tape file '%s'",
8199                 chunk_size, chunk_name, filename);
8200         }
8201       }
8202     }
8203   }
8204
8205   closeFile(file);
8206
8207   tape.length_frames  = GetTapeLengthFrames();
8208   tape.length_seconds = GetTapeLengthSeconds();
8209
8210 #if 0
8211   Debug("files:LoadTapeFromFilename", "tape file version: %d",
8212         tape.file_version);
8213   Debug("files:LoadTapeFromFilename", "tape game version: %d",
8214         tape.game_version);
8215   Debug("files:LoadTapeFromFilename", "tape engine version: %d",
8216         tape.engine_version);
8217 #endif
8218 }
8219
8220 void LoadTape(int nr)
8221 {
8222   char *filename = getTapeFilename(nr);
8223
8224   LoadTapeFromFilename(filename);
8225 }
8226
8227 void LoadSolutionTape(int nr)
8228 {
8229   char *filename = getSolutionTapeFilename(nr);
8230
8231   LoadTapeFromFilename(filename);
8232
8233   if (TAPE_IS_EMPTY(tape) &&
8234       level.game_engine_type == GAME_ENGINE_TYPE_SP &&
8235       level.native_sp_level->demo.is_available)
8236     CopyNativeTape_SP_to_RND(&level);
8237 }
8238
8239 static boolean checkSaveTape_SCRN(struct TapeInfo *tape)
8240 {
8241   // chunk required for team mode tapes with non-default screen size
8242   return (tape->num_participating_players > 1 &&
8243           (tape->scr_fieldx != SCR_FIELDX_DEFAULT ||
8244            tape->scr_fieldy != SCR_FIELDY_DEFAULT));
8245 }
8246
8247 static void SaveTape_VERS(FILE *file, struct TapeInfo *tape)
8248 {
8249   putFileVersion(file, tape->file_version);
8250   putFileVersion(file, tape->game_version);
8251 }
8252
8253 static void SaveTape_HEAD(FILE *file, struct TapeInfo *tape)
8254 {
8255   int i;
8256   byte store_participating_players = 0;
8257
8258   // set bits for participating players for compact storage
8259   for (i = 0; i < MAX_PLAYERS; i++)
8260     if (tape->player_participates[i])
8261       store_participating_players |= (1 << i);
8262
8263   putFile32BitBE(file, tape->random_seed);
8264   putFile32BitBE(file, tape->date);
8265   putFile32BitBE(file, tape->length);
8266
8267   putFile8Bit(file, store_participating_players);
8268
8269   putFile8Bit(file, getTapeActionValue(tape));
8270
8271   putFile8Bit(file, tape->property_bits);
8272
8273   // unused bytes not at the end here for 4-byte alignment of engine_version
8274   WriteUnusedBytesToFile(file, TAPE_CHUNK_HEAD_UNUSED);
8275
8276   putFileVersion(file, tape->engine_version);
8277 }
8278
8279 static void SaveTape_SCRN(FILE *file, struct TapeInfo *tape)
8280 {
8281   putFile8Bit(file, tape->scr_fieldx);
8282   putFile8Bit(file, tape->scr_fieldy);
8283 }
8284
8285 static void SaveTape_INFO(FILE *file, struct TapeInfo *tape)
8286 {
8287   int level_identifier_size = strlen(tape->level_identifier) + 1;
8288   int i;
8289
8290   putFile16BitBE(file, level_identifier_size);
8291
8292   for (i = 0; i < level_identifier_size; i++)
8293     putFile8Bit(file, tape->level_identifier[i]);
8294
8295   putFile16BitBE(file, tape->level_nr);
8296 }
8297
8298 static void SaveTape_BODY(FILE *file, struct TapeInfo *tape)
8299 {
8300   int i, j;
8301
8302   for (i = 0; i < tape->length; i++)
8303   {
8304     if (tape->use_key_actions)
8305     {
8306       for (j = 0; j < MAX_PLAYERS; j++)
8307         if (tape->player_participates[j])
8308           putFile8Bit(file, tape->pos[i].action[j]);
8309     }
8310
8311     if (tape->use_mouse_actions)
8312     {
8313       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_LX]);
8314       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_LY]);
8315       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_BUTTON]);
8316     }
8317
8318     putFile8Bit(file, tape->pos[i].delay);
8319   }
8320 }
8321
8322 void SaveTapeToFilename(char *filename)
8323 {
8324   FILE *file;
8325   int tape_pos_size;
8326   int info_chunk_size;
8327   int body_chunk_size;
8328
8329   if (!(file = fopen(filename, MODE_WRITE)))
8330   {
8331     Warn("cannot save level recording file '%s'", filename);
8332
8333     return;
8334   }
8335
8336   tape_pos_size = getTapePosSize(&tape);
8337
8338   info_chunk_size = 2 + (strlen(tape.level_identifier) + 1) + 2;
8339   body_chunk_size = tape_pos_size * tape.length;
8340
8341   putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
8342   putFileChunkBE(file, "TAPE", CHUNK_SIZE_NONE);
8343
8344   putFileChunkBE(file, "VERS", TAPE_CHUNK_VERS_SIZE);
8345   SaveTape_VERS(file, &tape);
8346
8347   putFileChunkBE(file, "HEAD", TAPE_CHUNK_HEAD_SIZE);
8348   SaveTape_HEAD(file, &tape);
8349
8350   if (checkSaveTape_SCRN(&tape))
8351   {
8352     putFileChunkBE(file, "SCRN", TAPE_CHUNK_SCRN_SIZE);
8353     SaveTape_SCRN(file, &tape);
8354   }
8355
8356   putFileChunkBE(file, "INFO", info_chunk_size);
8357   SaveTape_INFO(file, &tape);
8358
8359   putFileChunkBE(file, "BODY", body_chunk_size);
8360   SaveTape_BODY(file, &tape);
8361
8362   fclose(file);
8363
8364   SetFilePermissions(filename, PERMS_PRIVATE);
8365 }
8366
8367 static void SaveTapeExt(char *filename)
8368 {
8369   int i;
8370
8371   tape.file_version = FILE_VERSION_ACTUAL;
8372   tape.game_version = GAME_VERSION_ACTUAL;
8373
8374   tape.num_participating_players = 0;
8375
8376   // count number of participating players
8377   for (i = 0; i < MAX_PLAYERS; i++)
8378     if (tape.player_participates[i])
8379       tape.num_participating_players++;
8380
8381   SaveTapeToFilename(filename);
8382
8383   tape.changed = FALSE;
8384 }
8385
8386 void SaveTape(int nr)
8387 {
8388   char *filename = getTapeFilename(nr);
8389
8390   InitTapeDirectory(leveldir_current->subdir);
8391
8392   SaveTapeExt(filename);
8393 }
8394
8395 void SaveScoreTape(int nr)
8396 {
8397   char *filename = getScoreTapeFilename(tape.score_tape_basename, nr);
8398
8399   // used instead of "leveldir_current->subdir" (for network games)
8400   InitScoreTapeDirectory(levelset.identifier, nr);
8401
8402   SaveTapeExt(filename);
8403 }
8404
8405 static boolean SaveTapeCheckedExt(int nr, char *msg_replace, char *msg_saved,
8406                                   unsigned int req_state_added)
8407 {
8408   char *filename = getTapeFilename(nr);
8409   boolean new_tape = !fileExists(filename);
8410   boolean tape_saved = FALSE;
8411
8412   if (new_tape || Request(msg_replace, REQ_ASK | req_state_added))
8413   {
8414     SaveTape(nr);
8415
8416     if (new_tape)
8417       Request(msg_saved, REQ_CONFIRM | req_state_added);
8418
8419     tape_saved = TRUE;
8420   }
8421
8422   return tape_saved;
8423 }
8424
8425 boolean SaveTapeChecked(int nr)
8426 {
8427   return SaveTapeCheckedExt(nr, "Replace old tape?", "Tape saved!", 0);
8428 }
8429
8430 boolean SaveTapeChecked_LevelSolved(int nr)
8431 {
8432   return SaveTapeCheckedExt(nr, "Level solved! Replace old tape?",
8433                                 "Level solved! Tape saved!", REQ_STAY_OPEN);
8434 }
8435
8436 void DumpTape(struct TapeInfo *tape)
8437 {
8438   int tape_frame_counter;
8439   int i, j;
8440
8441   if (tape->no_valid_file)
8442   {
8443     Warn("cannot dump -- no valid tape file found");
8444
8445     return;
8446   }
8447
8448   PrintLine("-", 79);
8449   Print("Tape of Level %03d (file version %08d, game version %08d)\n",
8450         tape->level_nr, tape->file_version, tape->game_version);
8451   Print("                  (effective engine version %08d)\n",
8452         tape->engine_version);
8453   Print("Level series identifier: '%s'\n", tape->level_identifier);
8454   PrintLine("-", 79);
8455
8456   tape_frame_counter = 0;
8457
8458   for (i = 0; i < tape->length; i++)
8459   {
8460     if (i >= MAX_TAPE_LEN)
8461       break;
8462
8463     Print("%04d: ", i);
8464
8465     for (j = 0; j < MAX_PLAYERS; j++)
8466     {
8467       if (tape->player_participates[j])
8468       {
8469         int action = tape->pos[i].action[j];
8470
8471         Print("%d:%02x ", j, action);
8472         Print("[%c%c%c%c|%c%c] - ",
8473               (action & JOY_LEFT ? '<' : ' '),
8474               (action & JOY_RIGHT ? '>' : ' '),
8475               (action & JOY_UP ? '^' : ' '),
8476               (action & JOY_DOWN ? 'v' : ' '),
8477               (action & JOY_BUTTON_1 ? '1' : ' '),
8478               (action & JOY_BUTTON_2 ? '2' : ' '));
8479       }
8480     }
8481
8482     Print("(%03d) ", tape->pos[i].delay);
8483     Print("[%05d]\n", tape_frame_counter);
8484
8485     tape_frame_counter += tape->pos[i].delay;
8486   }
8487
8488   PrintLine("-", 79);
8489 }
8490
8491 void DumpTapes(void)
8492 {
8493   static LevelDirTree *dumptape_leveldir = NULL;
8494
8495   dumptape_leveldir = getTreeInfoFromIdentifier(leveldir_first,
8496                                                 global.dumptape_leveldir);
8497
8498   if (dumptape_leveldir == NULL)
8499     Fail("no such level identifier: '%s'", global.dumptape_leveldir);
8500
8501   if (global.dumptape_level_nr < dumptape_leveldir->first_level ||
8502       global.dumptape_level_nr > dumptape_leveldir->last_level)
8503     Fail("no such level number: %d", global.dumptape_level_nr);
8504
8505   leveldir_current = dumptape_leveldir;
8506
8507   if (options.mytapes)
8508     LoadTape(global.dumptape_level_nr);
8509   else
8510     LoadSolutionTape(global.dumptape_level_nr);
8511
8512   DumpTape(&tape);
8513
8514   CloseAllAndExit(0);
8515 }
8516
8517
8518 // ============================================================================
8519 // score file functions
8520 // ============================================================================
8521
8522 static void setScoreInfoToDefaultsExt(struct ScoreInfo *scores)
8523 {
8524   int i;
8525
8526   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8527   {
8528     strcpy(scores->entry[i].tape_basename, UNDEFINED_FILENAME);
8529     strcpy(scores->entry[i].name, EMPTY_PLAYER_NAME);
8530     scores->entry[i].score = 0;
8531     scores->entry[i].time = 0;
8532   }
8533
8534   scores->num_entries = 0;
8535   scores->last_added = -1;
8536   scores->last_added_local = -1;
8537
8538   scores->updated = FALSE;
8539   scores->force_last_added = FALSE;
8540 }
8541
8542 static void setScoreInfoToDefaults(void)
8543 {
8544   setScoreInfoToDefaultsExt(&scores);
8545 }
8546
8547 static void setServerScoreInfoToDefaults(void)
8548 {
8549   setScoreInfoToDefaultsExt(&server_scores);
8550 }
8551
8552 static void LoadScore_OLD(int nr)
8553 {
8554   int i;
8555   char *filename = getScoreFilename(nr);
8556   char cookie[MAX_LINE_LEN];
8557   char line[MAX_LINE_LEN];
8558   char *line_ptr;
8559   FILE *file;
8560
8561   if (!(file = fopen(filename, MODE_READ)))
8562     return;
8563
8564   // check file identifier
8565   if (fgets(cookie, MAX_LINE_LEN, file) == NULL)
8566     cookie[0] = '\0';
8567   if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
8568     cookie[strlen(cookie) - 1] = '\0';
8569
8570   if (!checkCookieString(cookie, SCORE_COOKIE_TMPL))
8571   {
8572     Warn("unknown format of score file '%s'", filename);
8573
8574     fclose(file);
8575
8576     return;
8577   }
8578
8579   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8580   {
8581     if (fscanf(file, "%d", &scores.entry[i].score) == EOF)
8582       Warn("fscanf() failed; %s", strerror(errno));
8583
8584     if (fgets(line, MAX_LINE_LEN, file) == NULL)
8585       line[0] = '\0';
8586
8587     if (strlen(line) > 0 && line[strlen(line) - 1] == '\n')
8588       line[strlen(line) - 1] = '\0';
8589
8590     for (line_ptr = line; *line_ptr; line_ptr++)
8591     {
8592       if (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
8593       {
8594         strncpy(scores.entry[i].name, line_ptr, MAX_PLAYER_NAME_LEN);
8595         scores.entry[i].name[MAX_PLAYER_NAME_LEN] = '\0';
8596         break;
8597       }
8598     }
8599   }
8600
8601   fclose(file);
8602 }
8603
8604 static void ConvertScore_OLD(void)
8605 {
8606   // only convert score to time for levels that rate playing time over score
8607   if (!level.rate_time_over_score)
8608     return;
8609
8610   // convert old score to playing time for score-less levels (like Supaplex)
8611   int time_final_max = 999;
8612   int i;
8613
8614   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8615   {
8616     int score = scores.entry[i].score;
8617
8618     if (score > 0 && score < time_final_max)
8619       scores.entry[i].time = (time_final_max - score - 1) * FRAMES_PER_SECOND;
8620   }
8621 }
8622
8623 static int LoadScore_VERS(File *file, int chunk_size, struct ScoreInfo *scores)
8624 {
8625   scores->file_version = getFileVersion(file);
8626   scores->game_version = getFileVersion(file);
8627
8628   return chunk_size;
8629 }
8630
8631 static int LoadScore_INFO(File *file, int chunk_size, struct ScoreInfo *scores)
8632 {
8633   char *level_identifier = NULL;
8634   int level_identifier_size;
8635   int i;
8636
8637   level_identifier_size = getFile16BitBE(file);
8638
8639   level_identifier = checked_malloc(level_identifier_size);
8640
8641   for (i = 0; i < level_identifier_size; i++)
8642     level_identifier[i] = getFile8Bit(file);
8643
8644   strncpy(scores->level_identifier, level_identifier, MAX_FILENAME_LEN);
8645   scores->level_identifier[MAX_FILENAME_LEN] = '\0';
8646
8647   checked_free(level_identifier);
8648
8649   scores->level_nr = getFile16BitBE(file);
8650   scores->num_entries = getFile16BitBE(file);
8651
8652   chunk_size = 2 + level_identifier_size + 2 + 2;
8653
8654   return chunk_size;
8655 }
8656
8657 static int LoadScore_NAME(File *file, int chunk_size, struct ScoreInfo *scores)
8658 {
8659   int i, j;
8660
8661   for (i = 0; i < scores->num_entries; i++)
8662   {
8663     for (j = 0; j < MAX_PLAYER_NAME_LEN; j++)
8664       scores->entry[i].name[j] = getFile8Bit(file);
8665
8666     scores->entry[i].name[MAX_PLAYER_NAME_LEN] = '\0';
8667   }
8668
8669   chunk_size = scores->num_entries * MAX_PLAYER_NAME_LEN;
8670
8671   return chunk_size;
8672 }
8673
8674 static int LoadScore_SCOR(File *file, int chunk_size, struct ScoreInfo *scores)
8675 {
8676   int i;
8677
8678   for (i = 0; i < scores->num_entries; i++)
8679     scores->entry[i].score = getFile16BitBE(file);
8680
8681   chunk_size = scores->num_entries * 2;
8682
8683   return chunk_size;
8684 }
8685
8686 static int LoadScore_TIME(File *file, int chunk_size, struct ScoreInfo *scores)
8687 {
8688   int i;
8689
8690   for (i = 0; i < scores->num_entries; i++)
8691     scores->entry[i].time = getFile32BitBE(file);
8692
8693   chunk_size = scores->num_entries * 4;
8694
8695   return chunk_size;
8696 }
8697
8698 static int LoadScore_TAPE(File *file, int chunk_size, struct ScoreInfo *scores)
8699 {
8700   int i, j;
8701
8702   for (i = 0; i < scores->num_entries; i++)
8703   {
8704     for (j = 0; j < MAX_SCORE_TAPE_BASENAME_LEN; j++)
8705       scores->entry[i].tape_basename[j] = getFile8Bit(file);
8706
8707     scores->entry[i].tape_basename[MAX_SCORE_TAPE_BASENAME_LEN] = '\0';
8708   }
8709
8710   chunk_size = scores->num_entries * MAX_SCORE_TAPE_BASENAME_LEN;
8711
8712   return chunk_size;
8713 }
8714
8715 void LoadScore(int nr)
8716 {
8717   char *filename = getScoreFilename(nr);
8718   char cookie[MAX_LINE_LEN];
8719   char chunk_name[CHUNK_ID_LEN + 1];
8720   int chunk_size;
8721   boolean old_score_file_format = FALSE;
8722   File *file;
8723
8724   // always start with reliable default values
8725   setScoreInfoToDefaults();
8726
8727   if (!(file = openFile(filename, MODE_READ)))
8728     return;
8729
8730   getFileChunkBE(file, chunk_name, NULL);
8731   if (strEqual(chunk_name, "RND1"))
8732   {
8733     getFile32BitBE(file);               // not used
8734
8735     getFileChunkBE(file, chunk_name, NULL);
8736     if (!strEqual(chunk_name, "SCOR"))
8737     {
8738       Warn("unknown format of score file '%s'", filename);
8739
8740       closeFile(file);
8741
8742       return;
8743     }
8744   }
8745   else  // check for old file format with cookie string
8746   {
8747     strcpy(cookie, chunk_name);
8748     if (getStringFromFile(file, &cookie[4], MAX_LINE_LEN - 4) == NULL)
8749       cookie[4] = '\0';
8750     if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
8751       cookie[strlen(cookie) - 1] = '\0';
8752
8753     if (!checkCookieString(cookie, SCORE_COOKIE_TMPL))
8754     {
8755       Warn("unknown format of score file '%s'", filename);
8756
8757       closeFile(file);
8758
8759       return;
8760     }
8761
8762     old_score_file_format = TRUE;
8763   }
8764
8765   if (old_score_file_format)
8766   {
8767     // score files from versions before 4.2.4.0 without chunk structure
8768     LoadScore_OLD(nr);
8769
8770     // convert score to time, if possible (mainly for Supaplex levels)
8771     ConvertScore_OLD();
8772   }
8773   else
8774   {
8775     static struct
8776     {
8777       char *name;
8778       int size;
8779       int (*loader)(File *, int, struct ScoreInfo *);
8780     }
8781     chunk_info[] =
8782     {
8783       { "VERS", SCORE_CHUNK_VERS_SIZE,  LoadScore_VERS },
8784       { "INFO", -1,                     LoadScore_INFO },
8785       { "NAME", -1,                     LoadScore_NAME },
8786       { "SCOR", -1,                     LoadScore_SCOR },
8787       { "TIME", -1,                     LoadScore_TIME },
8788       { "TAPE", -1,                     LoadScore_TAPE },
8789
8790       {  NULL,  0,                      NULL }
8791     };
8792
8793     while (getFileChunkBE(file, chunk_name, &chunk_size))
8794     {
8795       int i = 0;
8796
8797       while (chunk_info[i].name != NULL &&
8798              !strEqual(chunk_name, chunk_info[i].name))
8799         i++;
8800
8801       if (chunk_info[i].name == NULL)
8802       {
8803         Warn("unknown chunk '%s' in score file '%s'",
8804               chunk_name, filename);
8805
8806         ReadUnusedBytesFromFile(file, chunk_size);
8807       }
8808       else if (chunk_info[i].size != -1 &&
8809                chunk_info[i].size != chunk_size)
8810       {
8811         Warn("wrong size (%d) of chunk '%s' in score file '%s'",
8812               chunk_size, chunk_name, filename);
8813
8814         ReadUnusedBytesFromFile(file, chunk_size);
8815       }
8816       else
8817       {
8818         // call function to load this score chunk
8819         int chunk_size_expected =
8820           (chunk_info[i].loader)(file, chunk_size, &scores);
8821
8822         // the size of some chunks cannot be checked before reading other
8823         // chunks first (like "HEAD" and "BODY") that contain some header
8824         // information, so check them here
8825         if (chunk_size_expected != chunk_size)
8826         {
8827           Warn("wrong size (%d) of chunk '%s' in score file '%s'",
8828                 chunk_size, chunk_name, filename);
8829         }
8830       }
8831     }
8832   }
8833
8834   closeFile(file);
8835 }
8836
8837 #if ENABLE_HISTORIC_CHUNKS
8838 void SaveScore_OLD(int nr)
8839 {
8840   int i;
8841   char *filename = getScoreFilename(nr);
8842   FILE *file;
8843
8844   // used instead of "leveldir_current->subdir" (for network games)
8845   InitScoreDirectory(levelset.identifier);
8846
8847   if (!(file = fopen(filename, MODE_WRITE)))
8848   {
8849     Warn("cannot save score for level %d", nr);
8850
8851     return;
8852   }
8853
8854   fprintf(file, "%s\n\n", SCORE_COOKIE);
8855
8856   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8857     fprintf(file, "%d %s\n", scores.entry[i].score, scores.entry[i].name);
8858
8859   fclose(file);
8860
8861   SetFilePermissions(filename, PERMS_PRIVATE);
8862 }
8863 #endif
8864
8865 static void SaveScore_VERS(FILE *file, struct ScoreInfo *scores)
8866 {
8867   putFileVersion(file, scores->file_version);
8868   putFileVersion(file, scores->game_version);
8869 }
8870
8871 static void SaveScore_INFO(FILE *file, struct ScoreInfo *scores)
8872 {
8873   int level_identifier_size = strlen(scores->level_identifier) + 1;
8874   int i;
8875
8876   putFile16BitBE(file, level_identifier_size);
8877
8878   for (i = 0; i < level_identifier_size; i++)
8879     putFile8Bit(file, scores->level_identifier[i]);
8880
8881   putFile16BitBE(file, scores->level_nr);
8882   putFile16BitBE(file, scores->num_entries);
8883 }
8884
8885 static void SaveScore_NAME(FILE *file, struct ScoreInfo *scores)
8886 {
8887   int i, j;
8888
8889   for (i = 0; i < scores->num_entries; i++)
8890   {
8891     int name_size = strlen(scores->entry[i].name);
8892
8893     for (j = 0; j < MAX_PLAYER_NAME_LEN; j++)
8894       putFile8Bit(file, (j < name_size ? scores->entry[i].name[j] : 0));
8895   }
8896 }
8897
8898 static void SaveScore_SCOR(FILE *file, struct ScoreInfo *scores)
8899 {
8900   int i;
8901
8902   for (i = 0; i < scores->num_entries; i++)
8903     putFile16BitBE(file, scores->entry[i].score);
8904 }
8905
8906 static void SaveScore_TIME(FILE *file, struct ScoreInfo *scores)
8907 {
8908   int i;
8909
8910   for (i = 0; i < scores->num_entries; i++)
8911     putFile32BitBE(file, scores->entry[i].time);
8912 }
8913
8914 static void SaveScore_TAPE(FILE *file, struct ScoreInfo *scores)
8915 {
8916   int i, j;
8917
8918   for (i = 0; i < scores->num_entries; i++)
8919   {
8920     int size = strlen(scores->entry[i].tape_basename);
8921
8922     for (j = 0; j < MAX_SCORE_TAPE_BASENAME_LEN; j++)
8923       putFile8Bit(file, (j < size ? scores->entry[i].tape_basename[j] : 0));
8924   }
8925 }
8926
8927 static void SaveScoreToFilename(char *filename)
8928 {
8929   FILE *file;
8930   int info_chunk_size;
8931   int name_chunk_size;
8932   int scor_chunk_size;
8933   int time_chunk_size;
8934   int tape_chunk_size;
8935
8936   if (!(file = fopen(filename, MODE_WRITE)))
8937   {
8938     Warn("cannot save score file '%s'", filename);
8939
8940     return;
8941   }
8942
8943   info_chunk_size = 2 + (strlen(scores.level_identifier) + 1) + 2 + 2;
8944   name_chunk_size = scores.num_entries * MAX_PLAYER_NAME_LEN;
8945   scor_chunk_size = scores.num_entries * 2;
8946   time_chunk_size = scores.num_entries * 4;
8947   tape_chunk_size = scores.num_entries * MAX_SCORE_TAPE_BASENAME_LEN;
8948
8949   putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
8950   putFileChunkBE(file, "SCOR", CHUNK_SIZE_NONE);
8951
8952   putFileChunkBE(file, "VERS", SCORE_CHUNK_VERS_SIZE);
8953   SaveScore_VERS(file, &scores);
8954
8955   putFileChunkBE(file, "INFO", info_chunk_size);
8956   SaveScore_INFO(file, &scores);
8957
8958   putFileChunkBE(file, "NAME", name_chunk_size);
8959   SaveScore_NAME(file, &scores);
8960
8961   putFileChunkBE(file, "SCOR", scor_chunk_size);
8962   SaveScore_SCOR(file, &scores);
8963
8964   putFileChunkBE(file, "TIME", time_chunk_size);
8965   SaveScore_TIME(file, &scores);
8966
8967   putFileChunkBE(file, "TAPE", tape_chunk_size);
8968   SaveScore_TAPE(file, &scores);
8969
8970   fclose(file);
8971
8972   SetFilePermissions(filename, PERMS_PRIVATE);
8973 }
8974
8975 void SaveScore(int nr)
8976 {
8977   char *filename = getScoreFilename(nr);
8978   int i;
8979
8980   // used instead of "leveldir_current->subdir" (for network games)
8981   InitScoreDirectory(levelset.identifier);
8982
8983   scores.file_version = FILE_VERSION_ACTUAL;
8984   scores.game_version = GAME_VERSION_ACTUAL;
8985
8986   strncpy(scores.level_identifier, levelset.identifier, MAX_FILENAME_LEN);
8987   scores.level_identifier[MAX_FILENAME_LEN] = '\0';
8988   scores.level_nr = level_nr;
8989
8990   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8991     if (scores.entry[i].score == 0 &&
8992         scores.entry[i].time == 0 &&
8993         strEqual(scores.entry[i].name, EMPTY_PLAYER_NAME))
8994       break;
8995
8996   scores.num_entries = i;
8997
8998   if (scores.num_entries == 0)
8999     return;
9000
9001   SaveScoreToFilename(filename);
9002 }
9003
9004 static void ExecuteAsThread(SDL_ThreadFunction function, char *name, int data,
9005                             char *error)
9006 {
9007   static int data_static;
9008
9009   data_static = data;
9010
9011   SDL_Thread *thread = SDL_CreateThread(function, name, &data_static);
9012
9013   if (thread != NULL)
9014     SDL_DetachThread(thread);
9015   else
9016     Error("Cannot create thread to %s!", error);
9017
9018   // nasty kludge to lower probability of intermingled thread error messages
9019   Delay(1);
9020 }
9021
9022 static void DownloadServerScoreToCacheExt(struct HttpRequest *request,
9023                                           struct HttpResponse *response,
9024                                           int nr)
9025 {
9026   request->hostname = setup.api_server_hostname;
9027   request->port     = API_SERVER_PORT;
9028   request->method   = API_SERVER_METHOD;
9029   request->uri      = API_SERVER_URI_GET;
9030
9031   snprintf(request->body, MAX_HTTP_BODY_SIZE,
9032            "{\n"
9033            "  \"levelset_identifier\":  \"%s\",\n"
9034            "  \"level_nr\":             \"%d\",\n"
9035            "  \"rate_time_over_score\": \"%d\"\n"
9036            "}\n",
9037            levelset.identifier, nr, level.rate_time_over_score);
9038
9039   if (!DoHttpRequest(request, response))
9040   {
9041     Error("HTTP request failed: %s", GetHttpError());
9042
9043     return;
9044   }
9045
9046   if (!HTTP_SUCCESS(response->status_code))
9047   {
9048     Error("server failed to handle request: %d %s",
9049           response->status_code,
9050           response->status_text);
9051
9052     return;
9053   }
9054
9055   if (response->body_size == 0)
9056   {
9057     // no scores available for this level
9058
9059     return;
9060   }
9061
9062   ConvertHttpResponseBodyToClientEncoding(response);
9063
9064   char *filename = getScoreCacheFilename(nr);
9065   FILE *file;
9066   int i;
9067
9068   // used instead of "leveldir_current->subdir" (for network games)
9069   InitScoreCacheDirectory(levelset.identifier);
9070
9071   if (!(file = fopen(filename, MODE_WRITE)))
9072   {
9073     Warn("cannot save score cache file '%s'", filename);
9074
9075     return;
9076   }
9077
9078   for (i = 0; i < response->body_size; i++)
9079     fputc(response->body[i], file);
9080
9081   fclose(file);
9082
9083   SetFilePermissions(filename, PERMS_PRIVATE);
9084
9085   server_scores.updated = TRUE;
9086 }
9087
9088 static void DownloadServerScoreToCache(int nr)
9089 {
9090   struct HttpRequest *request = checked_calloc(sizeof(struct HttpRequest));
9091   struct HttpResponse *response = checked_calloc(sizeof(struct HttpResponse));
9092
9093   DownloadServerScoreToCacheExt(request, response, nr);
9094
9095   checked_free(request);
9096   checked_free(response);
9097 }
9098
9099 static int DownloadServerScoreToCacheThread(void *data)
9100 {
9101   DownloadServerScoreToCache(*(int *)data);
9102
9103   return 0;
9104 }
9105
9106 static void DownloadServerScoreToCacheAsThread(int nr)
9107 {
9108   ExecuteAsThread(DownloadServerScoreToCacheThread,
9109                   "DownloadServerScoreToCache", nr,
9110                   "download scores from server");
9111 }
9112
9113 static void LoadServerScoreFromCache(int nr)
9114 {
9115   struct ScoreEntry score_entry;
9116   struct
9117   {
9118     void *value;
9119     boolean is_string;
9120     int string_size;
9121   }
9122   score_mapping[] =
9123   {
9124     { &score_entry.score,               FALSE,  0                       },
9125     { &score_entry.time,                FALSE,  0                       },
9126     { score_entry.name,                 TRUE,   MAX_PLAYER_NAME_LEN     },
9127     { score_entry.tape_basename,        TRUE,   MAX_FILENAME_LEN        },
9128
9129     { NULL,                             FALSE,  0                       }
9130   };
9131   char *filename = getScoreCacheFilename(nr);
9132   SetupFileHash *score_hash = loadSetupFileHash(filename);
9133   int i, j;
9134
9135   server_scores.num_entries = 0;
9136
9137   if (score_hash == NULL)
9138     return;
9139
9140   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
9141   {
9142     score_entry = server_scores.entry[i];
9143
9144     for (j = 0; score_mapping[j].value != NULL; j++)
9145     {
9146       char token[10];
9147
9148       sprintf(token, "%02d.%d", i, j);
9149
9150       char *value = getHashEntry(score_hash, token);
9151
9152       if (value == NULL)
9153         continue;
9154
9155       if (score_mapping[j].is_string)
9156       {
9157         char *score_value = (char *)score_mapping[j].value;
9158         int value_size = score_mapping[j].string_size;
9159
9160         strncpy(score_value, value, value_size);
9161         score_value[value_size] = '\0';
9162       }
9163       else
9164       {
9165         int *score_value = (int *)score_mapping[j].value;
9166
9167         *score_value = atoi(value);
9168       }
9169
9170       server_scores.num_entries = i + 1;
9171     }
9172
9173     server_scores.entry[i] = score_entry;
9174   }
9175
9176   freeSetupFileHash(score_hash);
9177 }
9178
9179 void LoadServerScore(int nr, boolean download_score)
9180 {
9181   if (!setup.api_server)
9182     return;
9183
9184   // always start with reliable default values
9185   setServerScoreInfoToDefaults();
9186
9187   // 1st step: load server scores from cache file (which may not exist)
9188   // (this should prevent reading it while the thread is writing to it)
9189   LoadServerScoreFromCache(nr);
9190
9191   if (download_score && runtime.api_server)
9192   {
9193     // 2nd step: download server scores from score server to cache file
9194     // (as thread, as it might time out if the server is not reachable)
9195     DownloadServerScoreToCacheAsThread(nr);
9196   }
9197 }
9198
9199 static char *get_file_base64(char *filename)
9200 {
9201   struct stat file_status;
9202
9203   if (stat(filename, &file_status) != 0)
9204   {
9205     Error("cannot stat file '%s'\n", filename);
9206
9207     return NULL;
9208   }
9209
9210   int buffer_size = file_status.st_size;
9211   byte *buffer = checked_malloc(buffer_size);
9212   FILE *file;
9213   int i;
9214
9215   if (!(file = fopen(filename, MODE_READ)))
9216   {
9217     Error("cannot open file '%s'\n", filename);
9218
9219     checked_free(buffer);
9220
9221     return NULL;
9222   }
9223
9224   for (i = 0; i < buffer_size; i++)
9225   {
9226     int c = fgetc(file);
9227
9228     if (c == EOF)
9229     {
9230       Error("cannot read from input file '%s'\n", filename);
9231
9232       fclose(file);
9233       checked_free(buffer);
9234
9235       return NULL;
9236     }
9237
9238     buffer[i] = (byte)c;
9239   }
9240
9241   fclose(file);
9242
9243   int buffer_encoded_size = base64_encoded_size(buffer_size);
9244   char *buffer_encoded = checked_malloc(buffer_encoded_size);
9245
9246   base64_encode(buffer_encoded, buffer, buffer_size);
9247
9248   checked_free(buffer);
9249
9250   return buffer_encoded;
9251 }
9252
9253 static void UploadScoreToServerExt(struct HttpRequest *request,
9254                                    struct HttpResponse *response,
9255                                    int nr)
9256 {
9257   struct ScoreEntry *score_entry = &scores.entry[scores.last_added];
9258
9259   request->hostname = setup.api_server_hostname;
9260   request->port     = API_SERVER_PORT;
9261   request->method   = API_SERVER_METHOD;
9262   request->uri      = API_SERVER_URI_ADD;
9263
9264   char *tape_filename = getScoreTapeFilename(score_entry->tape_basename, nr);
9265   char *tape_base64 = get_file_base64(tape_filename);
9266
9267   if (tape_base64 == NULL)
9268   {
9269     Error("loading and base64 encoding score tape file failed");
9270
9271     return;
9272   }
9273
9274   snprintf(request->body, MAX_HTTP_BODY_SIZE,
9275            "{\n"
9276            "  \"game_version\":         \"%s\",\n"
9277            "  \"levelset_identifier\":  \"%s\",\n"
9278            "  \"levelset_name\":        \"%s\",\n"
9279            "  \"levelset_author\":      \"%s\",\n"
9280            "  \"levelset_num_levels\":  \"%d\",\n"
9281            "  \"levelset_first_level\": \"%d\",\n"
9282            "  \"level_nr\":             \"%d\",\n"
9283            "  \"player_name\":          \"%s\",\n"
9284            "  \"score\":                \"%d\",\n"
9285            "  \"time\":                 \"%d\",\n"
9286            "  \"tape_basename\":        \"%s\",\n"
9287            "  \"tape\":                 \"%s\"\n"
9288            "}\n",
9289            getProgramRealVersionString(),
9290            leveldir_current->identifier,
9291            leveldir_current->name,
9292            leveldir_current->author,
9293            leveldir_current->levels,
9294            leveldir_current->first_level,
9295            level_nr,
9296            score_entry->name,
9297            score_entry->score,
9298            score_entry->time,
9299            score_entry->tape_basename,
9300            tape_base64);
9301
9302   checked_free(tape_base64);
9303
9304   ConvertHttpRequestBodyToServerEncoding(request);
9305
9306   if (!DoHttpRequest(request, response))
9307   {
9308     Error("HTTP request failed: %s", GetHttpError());
9309
9310     return;
9311   }
9312
9313   if (!HTTP_SUCCESS(response->status_code))
9314   {
9315     Error("server failed to handle request: %d %s",
9316           response->status_code,
9317           response->status_text);
9318
9319     return;
9320   }
9321 }
9322
9323 static void UploadScoreToServer(int nr)
9324 {
9325   struct HttpRequest *request = checked_calloc(sizeof(struct HttpRequest));
9326   struct HttpResponse *response = checked_calloc(sizeof(struct HttpResponse));
9327
9328   UploadScoreToServerExt(request, response, nr);
9329
9330   checked_free(request);
9331   checked_free(response);
9332 }
9333
9334 static int UploadScoreToServerThread(void *data)
9335 {
9336   UploadScoreToServer(*(int *)data);
9337
9338   return 0;
9339 }
9340
9341 static void UploadScoreToServerAsThread(int nr)
9342 {
9343   ExecuteAsThread(UploadScoreToServerThread,
9344                   "UploadScoreToServer", nr,
9345                   "upload score to server");
9346 }
9347
9348 void SaveServerScore(int nr)
9349 {
9350   if (!runtime.api_server)
9351     return;
9352
9353   UploadScoreToServerAsThread(nr);
9354 }
9355
9356 void LoadLocalAndServerScore(int nr, boolean download_score)
9357 {
9358   int last_added_local = scores.last_added_local;
9359
9360   LoadScore(nr);
9361
9362   // restore last added local score entry (before merging server scores)
9363   scores.last_added = scores.last_added_local = last_added_local;
9364
9365   if (setup.api_server && !setup.only_show_local_scores)
9366   {
9367     // load server scores from cache file and trigger update from server
9368     LoadServerScore(nr, download_score);
9369
9370     // merge local scores with scores from server
9371     MergeServerScore();
9372   }
9373 }
9374
9375
9376 // ============================================================================
9377 // setup file functions
9378 // ============================================================================
9379
9380 #define TOKEN_STR_PLAYER_PREFIX                 "player_"
9381
9382
9383 static struct TokenInfo global_setup_tokens[] =
9384 {
9385   {
9386     TYPE_STRING,
9387     &setup.player_name,                         "player_name"
9388   },
9389   {
9390     TYPE_SWITCH,
9391     &setup.multiple_users,                      "multiple_users"
9392   },
9393   {
9394     TYPE_SWITCH,
9395     &setup.sound,                               "sound"
9396   },
9397   {
9398     TYPE_SWITCH,
9399     &setup.sound_loops,                         "repeating_sound_loops"
9400   },
9401   {
9402     TYPE_SWITCH,
9403     &setup.sound_music,                         "background_music"
9404   },
9405   {
9406     TYPE_SWITCH,
9407     &setup.sound_simple,                        "simple_sound_effects"
9408   },
9409   {
9410     TYPE_SWITCH,
9411     &setup.toons,                               "toons"
9412   },
9413   {
9414     TYPE_SWITCH,
9415     &setup.scroll_delay,                        "scroll_delay"
9416   },
9417   {
9418     TYPE_SWITCH,
9419     &setup.forced_scroll_delay,                 "forced_scroll_delay"
9420   },
9421   {
9422     TYPE_INTEGER,
9423     &setup.scroll_delay_value,                  "scroll_delay_value"
9424   },
9425   {
9426     TYPE_STRING,
9427     &setup.engine_snapshot_mode,                "engine_snapshot_mode"
9428   },
9429   {
9430     TYPE_INTEGER,
9431     &setup.engine_snapshot_memory,              "engine_snapshot_memory"
9432   },
9433   {
9434     TYPE_SWITCH,
9435     &setup.fade_screens,                        "fade_screens"
9436   },
9437   {
9438     TYPE_SWITCH,
9439     &setup.autorecord,                          "automatic_tape_recording"
9440   },
9441   {
9442     TYPE_SWITCH,
9443     &setup.show_titlescreen,                    "show_titlescreen"
9444   },
9445   {
9446     TYPE_SWITCH,
9447     &setup.quick_doors,                         "quick_doors"
9448   },
9449   {
9450     TYPE_SWITCH,
9451     &setup.team_mode,                           "team_mode"
9452   },
9453   {
9454     TYPE_SWITCH,
9455     &setup.handicap,                            "handicap"
9456   },
9457   {
9458     TYPE_SWITCH,
9459     &setup.skip_levels,                         "skip_levels"
9460   },
9461   {
9462     TYPE_SWITCH,
9463     &setup.increment_levels,                    "increment_levels"
9464   },
9465   {
9466     TYPE_SWITCH,
9467     &setup.auto_play_next_level,                "auto_play_next_level"
9468   },
9469   {
9470     TYPE_SWITCH,
9471     &setup.count_score_after_game,              "count_score_after_game"
9472   },
9473   {
9474     TYPE_SWITCH,
9475     &setup.show_scores_after_game,              "show_scores_after_game"
9476   },
9477   {
9478     TYPE_SWITCH,
9479     &setup.time_limit,                          "time_limit"
9480   },
9481   {
9482     TYPE_SWITCH,
9483     &setup.fullscreen,                          "fullscreen"
9484   },
9485   {
9486     TYPE_INTEGER,
9487     &setup.window_scaling_percent,              "window_scaling_percent"
9488   },
9489   {
9490     TYPE_STRING,
9491     &setup.window_scaling_quality,              "window_scaling_quality"
9492   },
9493   {
9494     TYPE_STRING,
9495     &setup.screen_rendering_mode,               "screen_rendering_mode"
9496   },
9497   {
9498     TYPE_STRING,
9499     &setup.vsync_mode,                          "vsync_mode"
9500   },
9501   {
9502     TYPE_SWITCH,
9503     &setup.ask_on_escape,                       "ask_on_escape"
9504   },
9505   {
9506     TYPE_SWITCH,
9507     &setup.ask_on_escape_editor,                "ask_on_escape_editor"
9508   },
9509   {
9510     TYPE_SWITCH,
9511     &setup.ask_on_game_over,                    "ask_on_game_over"
9512   },
9513   {
9514     TYPE_SWITCH,
9515     &setup.ask_on_quit_game,                    "ask_on_quit_game"
9516   },
9517   {
9518     TYPE_SWITCH,
9519     &setup.ask_on_quit_program,                 "ask_on_quit_program"
9520   },
9521   {
9522     TYPE_SWITCH,
9523     &setup.quick_switch,                        "quick_player_switch"
9524   },
9525   {
9526     TYPE_SWITCH,
9527     &setup.input_on_focus,                      "input_on_focus"
9528   },
9529   {
9530     TYPE_SWITCH,
9531     &setup.prefer_aga_graphics,                 "prefer_aga_graphics"
9532   },
9533   {
9534     TYPE_SWITCH,
9535     &setup.prefer_lowpass_sounds,               "prefer_lowpass_sounds"
9536   },
9537   {
9538     TYPE_SWITCH,
9539     &setup.prefer_extra_panel_items,            "prefer_extra_panel_items"
9540   },
9541   {
9542     TYPE_SWITCH,
9543     &setup.game_speed_extended,                 "game_speed_extended"
9544   },
9545   {
9546     TYPE_INTEGER,
9547     &setup.game_frame_delay,                    "game_frame_delay"
9548   },
9549   {
9550     TYPE_SWITCH,
9551     &setup.sp_show_border_elements,             "sp_show_border_elements"
9552   },
9553   {
9554     TYPE_SWITCH,
9555     &setup.small_game_graphics,                 "small_game_graphics"
9556   },
9557   {
9558     TYPE_SWITCH,
9559     &setup.show_snapshot_buttons,               "show_snapshot_buttons"
9560   },
9561   {
9562     TYPE_SWITCH,
9563     &setup.only_show_local_scores,              "only_show_local_scores"
9564   },
9565   {
9566     TYPE_STRING,
9567     &setup.graphics_set,                        "graphics_set"
9568   },
9569   {
9570     TYPE_STRING,
9571     &setup.sounds_set,                          "sounds_set"
9572   },
9573   {
9574     TYPE_STRING,
9575     &setup.music_set,                           "music_set"
9576   },
9577   {
9578     TYPE_SWITCH3,
9579     &setup.override_level_graphics,             "override_level_graphics"
9580   },
9581   {
9582     TYPE_SWITCH3,
9583     &setup.override_level_sounds,               "override_level_sounds"
9584   },
9585   {
9586     TYPE_SWITCH3,
9587     &setup.override_level_music,                "override_level_music"
9588   },
9589   {
9590     TYPE_INTEGER,
9591     &setup.volume_simple,                       "volume_simple"
9592   },
9593   {
9594     TYPE_INTEGER,
9595     &setup.volume_loops,                        "volume_loops"
9596   },
9597   {
9598     TYPE_INTEGER,
9599     &setup.volume_music,                        "volume_music"
9600   },
9601   {
9602     TYPE_SWITCH,
9603     &setup.network_mode,                        "network_mode"
9604   },
9605   {
9606     TYPE_PLAYER,
9607     &setup.network_player_nr,                   "network_player"
9608   },
9609   {
9610     TYPE_STRING,
9611     &setup.network_server_hostname,             "network_server_hostname"
9612   },
9613   {
9614     TYPE_SWITCH,
9615     &setup.api_server,                          "api_server"
9616   },
9617   {
9618     TYPE_STRING,
9619     &setup.api_server_hostname,                 "api_server_hostname"
9620   },
9621   {
9622     TYPE_STRING,
9623     &setup.touch.control_type,                  "touch.control_type"
9624   },
9625   {
9626     TYPE_INTEGER,
9627     &setup.touch.move_distance,                 "touch.move_distance"
9628   },
9629   {
9630     TYPE_INTEGER,
9631     &setup.touch.drop_distance,                 "touch.drop_distance"
9632   },
9633   {
9634     TYPE_INTEGER,
9635     &setup.touch.transparency,                  "touch.transparency"
9636   },
9637   {
9638     TYPE_INTEGER,
9639     &setup.touch.draw_outlined,                 "touch.draw_outlined"
9640   },
9641   {
9642     TYPE_INTEGER,
9643     &setup.touch.draw_pressed,                  "touch.draw_pressed"
9644   },
9645   {
9646     TYPE_INTEGER,
9647     &setup.touch.grid_xsize[0],                 "touch.virtual_buttons.0.xsize"
9648   },
9649   {
9650     TYPE_INTEGER,
9651     &setup.touch.grid_ysize[0],                 "touch.virtual_buttons.0.ysize"
9652   },
9653   {
9654     TYPE_INTEGER,
9655     &setup.touch.grid_xsize[1],                 "touch.virtual_buttons.1.xsize"
9656   },
9657   {
9658     TYPE_INTEGER,
9659     &setup.touch.grid_ysize[1],                 "touch.virtual_buttons.1.ysize"
9660   },
9661 };
9662
9663 static struct TokenInfo auto_setup_tokens[] =
9664 {
9665   {
9666     TYPE_INTEGER,
9667     &setup.auto_setup.editor_zoom_tilesize,     "editor.zoom_tilesize"
9668   },
9669 };
9670
9671 static struct TokenInfo editor_setup_tokens[] =
9672 {
9673   {
9674     TYPE_SWITCH,
9675     &setup.editor.el_classic,                   "editor.el_classic"
9676   },
9677   {
9678     TYPE_SWITCH,
9679     &setup.editor.el_custom,                    "editor.el_custom"
9680   },
9681   {
9682     TYPE_SWITCH,
9683     &setup.editor.el_user_defined,              "editor.el_user_defined"
9684   },
9685   {
9686     TYPE_SWITCH,
9687     &setup.editor.el_dynamic,                   "editor.el_dynamic"
9688   },
9689   {
9690     TYPE_SWITCH,
9691     &setup.editor.el_headlines,                 "editor.el_headlines"
9692   },
9693   {
9694     TYPE_SWITCH,
9695     &setup.editor.show_element_token,           "editor.show_element_token"
9696   },
9697   {
9698     TYPE_SWITCH,
9699     &setup.editor.show_read_only_warning,       "editor.show_read_only_warning"
9700   },
9701 };
9702
9703 static struct TokenInfo editor_cascade_setup_tokens[] =
9704 {
9705   {
9706     TYPE_SWITCH,
9707     &setup.editor_cascade.el_bd,                "editor.cascade.el_bd"
9708   },
9709   {
9710     TYPE_SWITCH,
9711     &setup.editor_cascade.el_em,                "editor.cascade.el_em"
9712   },
9713   {
9714     TYPE_SWITCH,
9715     &setup.editor_cascade.el_emc,               "editor.cascade.el_emc"
9716   },
9717   {
9718     TYPE_SWITCH,
9719     &setup.editor_cascade.el_rnd,               "editor.cascade.el_rnd"
9720   },
9721   {
9722     TYPE_SWITCH,
9723     &setup.editor_cascade.el_sb,                "editor.cascade.el_sb"
9724   },
9725   {
9726     TYPE_SWITCH,
9727     &setup.editor_cascade.el_sp,                "editor.cascade.el_sp"
9728   },
9729   {
9730     TYPE_SWITCH,
9731     &setup.editor_cascade.el_dc,                "editor.cascade.el_dc"
9732   },
9733   {
9734     TYPE_SWITCH,
9735     &setup.editor_cascade.el_dx,                "editor.cascade.el_dx"
9736   },
9737   {
9738     TYPE_SWITCH,
9739     &setup.editor_cascade.el_mm,                "editor.cascade.el_mm"
9740   },
9741   {
9742     TYPE_SWITCH,
9743     &setup.editor_cascade.el_df,                "editor.cascade.el_df"
9744   },
9745   {
9746     TYPE_SWITCH,
9747     &setup.editor_cascade.el_chars,             "editor.cascade.el_chars"
9748   },
9749   {
9750     TYPE_SWITCH,
9751     &setup.editor_cascade.el_steel_chars,       "editor.cascade.el_steel_chars"
9752   },
9753   {
9754     TYPE_SWITCH,
9755     &setup.editor_cascade.el_ce,                "editor.cascade.el_ce"
9756   },
9757   {
9758     TYPE_SWITCH,
9759     &setup.editor_cascade.el_ge,                "editor.cascade.el_ge"
9760   },
9761   {
9762     TYPE_SWITCH,
9763     &setup.editor_cascade.el_ref,               "editor.cascade.el_ref"
9764   },
9765   {
9766     TYPE_SWITCH,
9767     &setup.editor_cascade.el_user,              "editor.cascade.el_user"
9768   },
9769   {
9770     TYPE_SWITCH,
9771     &setup.editor_cascade.el_dynamic,           "editor.cascade.el_dynamic"
9772   },
9773 };
9774
9775 static struct TokenInfo shortcut_setup_tokens[] =
9776 {
9777   {
9778     TYPE_KEY_X11,
9779     &setup.shortcut.save_game,                  "shortcut.save_game"
9780   },
9781   {
9782     TYPE_KEY_X11,
9783     &setup.shortcut.load_game,                  "shortcut.load_game"
9784   },
9785   {
9786     TYPE_KEY_X11,
9787     &setup.shortcut.toggle_pause,               "shortcut.toggle_pause"
9788   },
9789   {
9790     TYPE_KEY_X11,
9791     &setup.shortcut.focus_player[0],            "shortcut.focus_player_1"
9792   },
9793   {
9794     TYPE_KEY_X11,
9795     &setup.shortcut.focus_player[1],            "shortcut.focus_player_2"
9796   },
9797   {
9798     TYPE_KEY_X11,
9799     &setup.shortcut.focus_player[2],            "shortcut.focus_player_3"
9800   },
9801   {
9802     TYPE_KEY_X11,
9803     &setup.shortcut.focus_player[3],            "shortcut.focus_player_4"
9804   },
9805   {
9806     TYPE_KEY_X11,
9807     &setup.shortcut.focus_player_all,           "shortcut.focus_player_all"
9808   },
9809   {
9810     TYPE_KEY_X11,
9811     &setup.shortcut.tape_eject,                 "shortcut.tape_eject"
9812   },
9813   {
9814     TYPE_KEY_X11,
9815     &setup.shortcut.tape_extra,                 "shortcut.tape_extra"
9816   },
9817   {
9818     TYPE_KEY_X11,
9819     &setup.shortcut.tape_stop,                  "shortcut.tape_stop"
9820   },
9821   {
9822     TYPE_KEY_X11,
9823     &setup.shortcut.tape_pause,                 "shortcut.tape_pause"
9824   },
9825   {
9826     TYPE_KEY_X11,
9827     &setup.shortcut.tape_record,                "shortcut.tape_record"
9828   },
9829   {
9830     TYPE_KEY_X11,
9831     &setup.shortcut.tape_play,                  "shortcut.tape_play"
9832   },
9833   {
9834     TYPE_KEY_X11,
9835     &setup.shortcut.sound_simple,               "shortcut.sound_simple"
9836   },
9837   {
9838     TYPE_KEY_X11,
9839     &setup.shortcut.sound_loops,                "shortcut.sound_loops"
9840   },
9841   {
9842     TYPE_KEY_X11,
9843     &setup.shortcut.sound_music,                "shortcut.sound_music"
9844   },
9845   {
9846     TYPE_KEY_X11,
9847     &setup.shortcut.snap_left,                  "shortcut.snap_left"
9848   },
9849   {
9850     TYPE_KEY_X11,
9851     &setup.shortcut.snap_right,                 "shortcut.snap_right"
9852   },
9853   {
9854     TYPE_KEY_X11,
9855     &setup.shortcut.snap_up,                    "shortcut.snap_up"
9856   },
9857   {
9858     TYPE_KEY_X11,
9859     &setup.shortcut.snap_down,                  "shortcut.snap_down"
9860   },
9861 };
9862
9863 static struct SetupInputInfo setup_input;
9864 static struct TokenInfo player_setup_tokens[] =
9865 {
9866   {
9867     TYPE_BOOLEAN,
9868     &setup_input.use_joystick,                  ".use_joystick"
9869   },
9870   {
9871     TYPE_STRING,
9872     &setup_input.joy.device_name,               ".joy.device_name"
9873   },
9874   {
9875     TYPE_INTEGER,
9876     &setup_input.joy.xleft,                     ".joy.xleft"
9877   },
9878   {
9879     TYPE_INTEGER,
9880     &setup_input.joy.xmiddle,                   ".joy.xmiddle"
9881   },
9882   {
9883     TYPE_INTEGER,
9884     &setup_input.joy.xright,                    ".joy.xright"
9885   },
9886   {
9887     TYPE_INTEGER,
9888     &setup_input.joy.yupper,                    ".joy.yupper"
9889   },
9890   {
9891     TYPE_INTEGER,
9892     &setup_input.joy.ymiddle,                   ".joy.ymiddle"
9893   },
9894   {
9895     TYPE_INTEGER,
9896     &setup_input.joy.ylower,                    ".joy.ylower"
9897   },
9898   {
9899     TYPE_INTEGER,
9900     &setup_input.joy.snap,                      ".joy.snap_field"
9901   },
9902   {
9903     TYPE_INTEGER,
9904     &setup_input.joy.drop,                      ".joy.place_bomb"
9905   },
9906   {
9907     TYPE_KEY_X11,
9908     &setup_input.key.left,                      ".key.move_left"
9909   },
9910   {
9911     TYPE_KEY_X11,
9912     &setup_input.key.right,                     ".key.move_right"
9913   },
9914   {
9915     TYPE_KEY_X11,
9916     &setup_input.key.up,                        ".key.move_up"
9917   },
9918   {
9919     TYPE_KEY_X11,
9920     &setup_input.key.down,                      ".key.move_down"
9921   },
9922   {
9923     TYPE_KEY_X11,
9924     &setup_input.key.snap,                      ".key.snap_field"
9925   },
9926   {
9927     TYPE_KEY_X11,
9928     &setup_input.key.drop,                      ".key.place_bomb"
9929   },
9930 };
9931
9932 static struct TokenInfo system_setup_tokens[] =
9933 {
9934   {
9935     TYPE_STRING,
9936     &setup.system.sdl_renderdriver,             "system.sdl_renderdriver"
9937   },
9938   {
9939     TYPE_STRING,
9940     &setup.system.sdl_videodriver,              "system.sdl_videodriver"
9941   },
9942   {
9943     TYPE_STRING,
9944     &setup.system.sdl_audiodriver,              "system.sdl_audiodriver"
9945   },
9946   {
9947     TYPE_INTEGER,
9948     &setup.system.audio_fragment_size,          "system.audio_fragment_size"
9949   },
9950 };
9951
9952 static struct TokenInfo internal_setup_tokens[] =
9953 {
9954   {
9955     TYPE_STRING,
9956     &setup.internal.program_title,              "program_title"
9957   },
9958   {
9959     TYPE_STRING,
9960     &setup.internal.program_version,            "program_version"
9961   },
9962   {
9963     TYPE_STRING,
9964     &setup.internal.program_author,             "program_author"
9965   },
9966   {
9967     TYPE_STRING,
9968     &setup.internal.program_email,              "program_email"
9969   },
9970   {
9971     TYPE_STRING,
9972     &setup.internal.program_website,            "program_website"
9973   },
9974   {
9975     TYPE_STRING,
9976     &setup.internal.program_copyright,          "program_copyright"
9977   },
9978   {
9979     TYPE_STRING,
9980     &setup.internal.program_company,            "program_company"
9981   },
9982   {
9983     TYPE_STRING,
9984     &setup.internal.program_icon_file,          "program_icon_file"
9985   },
9986   {
9987     TYPE_STRING,
9988     &setup.internal.default_graphics_set,       "default_graphics_set"
9989   },
9990   {
9991     TYPE_STRING,
9992     &setup.internal.default_sounds_set,         "default_sounds_set"
9993   },
9994   {
9995     TYPE_STRING,
9996     &setup.internal.default_music_set,          "default_music_set"
9997   },
9998   {
9999     TYPE_STRING,
10000     &setup.internal.fallback_graphics_file,     "fallback_graphics_file"
10001   },
10002   {
10003     TYPE_STRING,
10004     &setup.internal.fallback_sounds_file,       "fallback_sounds_file"
10005   },
10006   {
10007     TYPE_STRING,
10008     &setup.internal.fallback_music_file,        "fallback_music_file"
10009   },
10010   {
10011     TYPE_STRING,
10012     &setup.internal.default_level_series,       "default_level_series"
10013   },
10014   {
10015     TYPE_INTEGER,
10016     &setup.internal.default_window_width,       "default_window_width"
10017   },
10018   {
10019     TYPE_INTEGER,
10020     &setup.internal.default_window_height,      "default_window_height"
10021   },
10022   {
10023     TYPE_BOOLEAN,
10024     &setup.internal.choose_from_top_leveldir,   "choose_from_top_leveldir"
10025   },
10026   {
10027     TYPE_BOOLEAN,
10028     &setup.internal.show_scaling_in_title,      "show_scaling_in_title"
10029   },
10030   {
10031     TYPE_BOOLEAN,
10032     &setup.internal.create_user_levelset,       "create_user_levelset"
10033   },
10034   {
10035     TYPE_BOOLEAN,
10036     &setup.internal.menu_game,                  "menu_game"
10037   },
10038   {
10039     TYPE_BOOLEAN,
10040     &setup.internal.menu_editor,                "menu_editor"
10041   },
10042   {
10043     TYPE_BOOLEAN,
10044     &setup.internal.menu_graphics,              "menu_graphics"
10045   },
10046   {
10047     TYPE_BOOLEAN,
10048     &setup.internal.menu_sound,                 "menu_sound"
10049   },
10050   {
10051     TYPE_BOOLEAN,
10052     &setup.internal.menu_artwork,               "menu_artwork"
10053   },
10054   {
10055     TYPE_BOOLEAN,
10056     &setup.internal.menu_input,                 "menu_input"
10057   },
10058   {
10059     TYPE_BOOLEAN,
10060     &setup.internal.menu_touch,                 "menu_touch"
10061   },
10062   {
10063     TYPE_BOOLEAN,
10064     &setup.internal.menu_shortcuts,             "menu_shortcuts"
10065   },
10066   {
10067     TYPE_BOOLEAN,
10068     &setup.internal.menu_exit,                  "menu_exit"
10069   },
10070   {
10071     TYPE_BOOLEAN,
10072     &setup.internal.menu_save_and_exit,         "menu_save_and_exit"
10073   },
10074 };
10075
10076 static struct TokenInfo debug_setup_tokens[] =
10077 {
10078   {
10079     TYPE_INTEGER,
10080     &setup.debug.frame_delay[0],                "debug.frame_delay_0"
10081   },
10082   {
10083     TYPE_INTEGER,
10084     &setup.debug.frame_delay[1],                "debug.frame_delay_1"
10085   },
10086   {
10087     TYPE_INTEGER,
10088     &setup.debug.frame_delay[2],                "debug.frame_delay_2"
10089   },
10090   {
10091     TYPE_INTEGER,
10092     &setup.debug.frame_delay[3],                "debug.frame_delay_3"
10093   },
10094   {
10095     TYPE_INTEGER,
10096     &setup.debug.frame_delay[4],                "debug.frame_delay_4"
10097   },
10098   {
10099     TYPE_INTEGER,
10100     &setup.debug.frame_delay[5],                "debug.frame_delay_5"
10101   },
10102   {
10103     TYPE_INTEGER,
10104     &setup.debug.frame_delay[6],                "debug.frame_delay_6"
10105   },
10106   {
10107     TYPE_INTEGER,
10108     &setup.debug.frame_delay[7],                "debug.frame_delay_7"
10109   },
10110   {
10111     TYPE_INTEGER,
10112     &setup.debug.frame_delay[8],                "debug.frame_delay_8"
10113   },
10114   {
10115     TYPE_INTEGER,
10116     &setup.debug.frame_delay[9],                "debug.frame_delay_9"
10117   },
10118   {
10119     TYPE_KEY_X11,
10120     &setup.debug.frame_delay_key[0],            "debug.key.frame_delay_0"
10121   },
10122   {
10123     TYPE_KEY_X11,
10124     &setup.debug.frame_delay_key[1],            "debug.key.frame_delay_1"
10125   },
10126   {
10127     TYPE_KEY_X11,
10128     &setup.debug.frame_delay_key[2],            "debug.key.frame_delay_2"
10129   },
10130   {
10131     TYPE_KEY_X11,
10132     &setup.debug.frame_delay_key[3],            "debug.key.frame_delay_3"
10133   },
10134   {
10135     TYPE_KEY_X11,
10136     &setup.debug.frame_delay_key[4],            "debug.key.frame_delay_4"
10137   },
10138   {
10139     TYPE_KEY_X11,
10140     &setup.debug.frame_delay_key[5],            "debug.key.frame_delay_5"
10141   },
10142   {
10143     TYPE_KEY_X11,
10144     &setup.debug.frame_delay_key[6],            "debug.key.frame_delay_6"
10145   },
10146   {
10147     TYPE_KEY_X11,
10148     &setup.debug.frame_delay_key[7],            "debug.key.frame_delay_7"
10149   },
10150   {
10151     TYPE_KEY_X11,
10152     &setup.debug.frame_delay_key[8],            "debug.key.frame_delay_8"
10153   },
10154   {
10155     TYPE_KEY_X11,
10156     &setup.debug.frame_delay_key[9],            "debug.key.frame_delay_9"
10157   },
10158   {
10159     TYPE_BOOLEAN,
10160     &setup.debug.frame_delay_use_mod_key,       "debug.frame_delay.use_mod_key"},
10161   {
10162     TYPE_BOOLEAN,
10163     &setup.debug.frame_delay_game_only,         "debug.frame_delay.game_only"
10164   },
10165   {
10166     TYPE_BOOLEAN,
10167     &setup.debug.show_frames_per_second,        "debug.show_frames_per_second"
10168   },
10169   {
10170     TYPE_SWITCH3,
10171     &setup.debug.xsn_mode,                      "debug.xsn_mode"
10172   },
10173   {
10174     TYPE_INTEGER,
10175     &setup.debug.xsn_percent,                   "debug.xsn_percent"
10176   },
10177 };
10178
10179 static struct TokenInfo options_setup_tokens[] =
10180 {
10181   {
10182     TYPE_BOOLEAN,
10183     &setup.options.verbose,                     "options.verbose"
10184   },
10185 };
10186
10187 static void setSetupInfoToDefaults(struct SetupInfo *si)
10188 {
10189   int i;
10190
10191   si->player_name = getStringCopy(getDefaultUserName(user.nr));
10192
10193   si->multiple_users = TRUE;
10194
10195   si->sound = TRUE;
10196   si->sound_loops = TRUE;
10197   si->sound_music = TRUE;
10198   si->sound_simple = TRUE;
10199   si->toons = TRUE;
10200   si->scroll_delay = TRUE;
10201   si->forced_scroll_delay = FALSE;
10202   si->scroll_delay_value = STD_SCROLL_DELAY;
10203   si->engine_snapshot_mode = getStringCopy(STR_SNAPSHOT_MODE_DEFAULT);
10204   si->engine_snapshot_memory = SNAPSHOT_MEMORY_DEFAULT;
10205   si->fade_screens = TRUE;
10206   si->autorecord = TRUE;
10207   si->show_titlescreen = TRUE;
10208   si->quick_doors = FALSE;
10209   si->team_mode = FALSE;
10210   si->handicap = TRUE;
10211   si->skip_levels = TRUE;
10212   si->increment_levels = TRUE;
10213   si->auto_play_next_level = TRUE;
10214   si->count_score_after_game = TRUE;
10215   si->show_scores_after_game = TRUE;
10216   si->time_limit = TRUE;
10217   si->fullscreen = FALSE;
10218   si->window_scaling_percent = STD_WINDOW_SCALING_PERCENT;
10219   si->window_scaling_quality = getStringCopy(SCALING_QUALITY_DEFAULT);
10220   si->screen_rendering_mode = getStringCopy(STR_SPECIAL_RENDERING_DEFAULT);
10221   si->vsync_mode = getStringCopy(STR_VSYNC_MODE_DEFAULT);
10222   si->ask_on_escape = TRUE;
10223   si->ask_on_escape_editor = TRUE;
10224   si->ask_on_game_over = TRUE;
10225   si->ask_on_quit_game = TRUE;
10226   si->ask_on_quit_program = TRUE;
10227   si->quick_switch = FALSE;
10228   si->input_on_focus = FALSE;
10229   si->prefer_aga_graphics = TRUE;
10230   si->prefer_lowpass_sounds = FALSE;
10231   si->prefer_extra_panel_items = TRUE;
10232   si->game_speed_extended = FALSE;
10233   si->game_frame_delay = GAME_FRAME_DELAY;
10234   si->sp_show_border_elements = FALSE;
10235   si->small_game_graphics = FALSE;
10236   si->show_snapshot_buttons = FALSE;
10237   si->only_show_local_scores = FALSE;
10238
10239   si->graphics_set = getStringCopy(GFX_CLASSIC_SUBDIR);
10240   si->sounds_set   = getStringCopy(SND_CLASSIC_SUBDIR);
10241   si->music_set    = getStringCopy(MUS_CLASSIC_SUBDIR);
10242
10243   si->override_level_graphics = FALSE;
10244   si->override_level_sounds = FALSE;
10245   si->override_level_music = FALSE;
10246
10247   si->volume_simple = 100;              // percent
10248   si->volume_loops = 100;               // percent
10249   si->volume_music = 100;               // percent
10250
10251   si->network_mode = FALSE;
10252   si->network_player_nr = 0;            // first player
10253   si->network_server_hostname = getStringCopy(STR_NETWORK_AUTO_DETECT);
10254
10255   si->api_server = TRUE;
10256   si->api_server_hostname = getStringCopy(API_SERVER_HOSTNAME);
10257
10258   si->touch.control_type = getStringCopy(TOUCH_CONTROL_DEFAULT);
10259   si->touch.move_distance = TOUCH_MOVE_DISTANCE_DEFAULT;        // percent
10260   si->touch.drop_distance = TOUCH_DROP_DISTANCE_DEFAULT;        // percent
10261   si->touch.transparency = TOUCH_TRANSPARENCY_DEFAULT;          // percent
10262   si->touch.draw_outlined = TRUE;
10263   si->touch.draw_pressed = TRUE;
10264
10265   for (i = 0; i < 2; i++)
10266   {
10267     char *default_grid_button[6][2] =
10268     {
10269       { "      ", "  ^^  " },
10270       { "      ", "  ^^  " },
10271       { "      ", "<<  >>" },
10272       { "      ", "<<  >>" },
10273       { "111222", "  vv  " },
10274       { "111222", "  vv  " }
10275     };
10276     int grid_xsize = DEFAULT_GRID_XSIZE(i);
10277     int grid_ysize = DEFAULT_GRID_YSIZE(i);
10278     int min_xsize = MIN(6, grid_xsize);
10279     int min_ysize = MIN(6, grid_ysize);
10280     int startx = grid_xsize - min_xsize;
10281     int starty = grid_ysize - min_ysize;
10282     int x, y;
10283
10284     // virtual buttons grid can only be set to defaults if video is initialized
10285     // (this will be repeated if virtual buttons are not loaded from setup file)
10286     if (video.initialized)
10287     {
10288       si->touch.grid_xsize[i] = grid_xsize;
10289       si->touch.grid_ysize[i] = grid_ysize;
10290     }
10291     else
10292     {
10293       si->touch.grid_xsize[i] = -1;
10294       si->touch.grid_ysize[i] = -1;
10295     }
10296
10297     for (x = 0; x < MAX_GRID_XSIZE; x++)
10298       for (y = 0; y < MAX_GRID_YSIZE; y++)
10299         si->touch.grid_button[i][x][y] = CHAR_GRID_BUTTON_NONE;
10300
10301     for (x = 0; x < min_xsize; x++)
10302       for (y = 0; y < min_ysize; y++)
10303         si->touch.grid_button[i][x][starty + y] =
10304           default_grid_button[y][0][x];
10305
10306     for (x = 0; x < min_xsize; x++)
10307       for (y = 0; y < min_ysize; y++)
10308         si->touch.grid_button[i][startx + x][starty + y] =
10309           default_grid_button[y][1][x];
10310   }
10311
10312   si->touch.grid_initialized            = video.initialized;
10313
10314   si->editor.el_boulderdash             = TRUE;
10315   si->editor.el_emerald_mine            = TRUE;
10316   si->editor.el_emerald_mine_club       = TRUE;
10317   si->editor.el_more                    = TRUE;
10318   si->editor.el_sokoban                 = TRUE;
10319   si->editor.el_supaplex                = TRUE;
10320   si->editor.el_diamond_caves           = TRUE;
10321   si->editor.el_dx_boulderdash          = TRUE;
10322
10323   si->editor.el_mirror_magic            = TRUE;
10324   si->editor.el_deflektor               = TRUE;
10325
10326   si->editor.el_chars                   = TRUE;
10327   si->editor.el_steel_chars             = TRUE;
10328
10329   si->editor.el_classic                 = TRUE;
10330   si->editor.el_custom                  = TRUE;
10331
10332   si->editor.el_user_defined            = FALSE;
10333   si->editor.el_dynamic                 = TRUE;
10334
10335   si->editor.el_headlines               = TRUE;
10336
10337   si->editor.show_element_token         = FALSE;
10338
10339   si->editor.show_read_only_warning     = TRUE;
10340
10341   si->editor.use_template_for_new_levels = TRUE;
10342
10343   si->shortcut.save_game        = DEFAULT_KEY_SAVE_GAME;
10344   si->shortcut.load_game        = DEFAULT_KEY_LOAD_GAME;
10345   si->shortcut.toggle_pause     = DEFAULT_KEY_TOGGLE_PAUSE;
10346
10347   si->shortcut.focus_player[0]  = DEFAULT_KEY_FOCUS_PLAYER_1;
10348   si->shortcut.focus_player[1]  = DEFAULT_KEY_FOCUS_PLAYER_2;
10349   si->shortcut.focus_player[2]  = DEFAULT_KEY_FOCUS_PLAYER_3;
10350   si->shortcut.focus_player[3]  = DEFAULT_KEY_FOCUS_PLAYER_4;
10351   si->shortcut.focus_player_all = DEFAULT_KEY_FOCUS_PLAYER_ALL;
10352
10353   si->shortcut.tape_eject       = DEFAULT_KEY_TAPE_EJECT;
10354   si->shortcut.tape_extra       = DEFAULT_KEY_TAPE_EXTRA;
10355   si->shortcut.tape_stop        = DEFAULT_KEY_TAPE_STOP;
10356   si->shortcut.tape_pause       = DEFAULT_KEY_TAPE_PAUSE;
10357   si->shortcut.tape_record      = DEFAULT_KEY_TAPE_RECORD;
10358   si->shortcut.tape_play        = DEFAULT_KEY_TAPE_PLAY;
10359
10360   si->shortcut.sound_simple     = DEFAULT_KEY_SOUND_SIMPLE;
10361   si->shortcut.sound_loops      = DEFAULT_KEY_SOUND_LOOPS;
10362   si->shortcut.sound_music      = DEFAULT_KEY_SOUND_MUSIC;
10363
10364   si->shortcut.snap_left        = DEFAULT_KEY_SNAP_LEFT;
10365   si->shortcut.snap_right       = DEFAULT_KEY_SNAP_RIGHT;
10366   si->shortcut.snap_up          = DEFAULT_KEY_SNAP_UP;
10367   si->shortcut.snap_down        = DEFAULT_KEY_SNAP_DOWN;
10368
10369   for (i = 0; i < MAX_PLAYERS; i++)
10370   {
10371     si->input[i].use_joystick = FALSE;
10372     si->input[i].joy.device_name=getStringCopy(getDeviceNameFromJoystickNr(i));
10373     si->input[i].joy.xleft   = JOYSTICK_XLEFT;
10374     si->input[i].joy.xmiddle = JOYSTICK_XMIDDLE;
10375     si->input[i].joy.xright  = JOYSTICK_XRIGHT;
10376     si->input[i].joy.yupper  = JOYSTICK_YUPPER;
10377     si->input[i].joy.ymiddle = JOYSTICK_YMIDDLE;
10378     si->input[i].joy.ylower  = JOYSTICK_YLOWER;
10379     si->input[i].joy.snap  = (i == 0 ? JOY_BUTTON_1 : 0);
10380     si->input[i].joy.drop  = (i == 0 ? JOY_BUTTON_2 : 0);
10381     si->input[i].key.left  = (i == 0 ? DEFAULT_KEY_LEFT  : KSYM_UNDEFINED);
10382     si->input[i].key.right = (i == 0 ? DEFAULT_KEY_RIGHT : KSYM_UNDEFINED);
10383     si->input[i].key.up    = (i == 0 ? DEFAULT_KEY_UP    : KSYM_UNDEFINED);
10384     si->input[i].key.down  = (i == 0 ? DEFAULT_KEY_DOWN  : KSYM_UNDEFINED);
10385     si->input[i].key.snap  = (i == 0 ? DEFAULT_KEY_SNAP  : KSYM_UNDEFINED);
10386     si->input[i].key.drop  = (i == 0 ? DEFAULT_KEY_DROP  : KSYM_UNDEFINED);
10387   }
10388
10389   si->system.sdl_renderdriver = getStringCopy(ARG_DEFAULT);
10390   si->system.sdl_videodriver = getStringCopy(ARG_DEFAULT);
10391   si->system.sdl_audiodriver = getStringCopy(ARG_DEFAULT);
10392   si->system.audio_fragment_size = DEFAULT_AUDIO_FRAGMENT_SIZE;
10393
10394   si->internal.program_title     = getStringCopy(PROGRAM_TITLE_STRING);
10395   si->internal.program_version   = getStringCopy(getProgramRealVersionString());
10396   si->internal.program_author    = getStringCopy(PROGRAM_AUTHOR_STRING);
10397   si->internal.program_email     = getStringCopy(PROGRAM_EMAIL_STRING);
10398   si->internal.program_website   = getStringCopy(PROGRAM_WEBSITE_STRING);
10399   si->internal.program_copyright = getStringCopy(PROGRAM_COPYRIGHT_STRING);
10400   si->internal.program_company   = getStringCopy(PROGRAM_COMPANY_STRING);
10401
10402   si->internal.program_icon_file = getStringCopy(PROGRAM_ICON_FILENAME);
10403
10404   si->internal.default_graphics_set = getStringCopy(GFX_CLASSIC_SUBDIR);
10405   si->internal.default_sounds_set   = getStringCopy(SND_CLASSIC_SUBDIR);
10406   si->internal.default_music_set    = getStringCopy(MUS_CLASSIC_SUBDIR);
10407
10408   si->internal.fallback_graphics_file = getStringCopy(UNDEFINED_FILENAME);
10409   si->internal.fallback_sounds_file   = getStringCopy(UNDEFINED_FILENAME);
10410   si->internal.fallback_music_file    = getStringCopy(UNDEFINED_FILENAME);
10411
10412   si->internal.default_level_series = getStringCopy(UNDEFINED_LEVELSET);
10413   si->internal.choose_from_top_leveldir = FALSE;
10414   si->internal.show_scaling_in_title = TRUE;
10415   si->internal.create_user_levelset = TRUE;
10416
10417   si->internal.default_window_width  = WIN_XSIZE_DEFAULT;
10418   si->internal.default_window_height = WIN_YSIZE_DEFAULT;
10419
10420   si->debug.frame_delay[0] = DEFAULT_FRAME_DELAY_0;
10421   si->debug.frame_delay[1] = DEFAULT_FRAME_DELAY_1;
10422   si->debug.frame_delay[2] = DEFAULT_FRAME_DELAY_2;
10423   si->debug.frame_delay[3] = DEFAULT_FRAME_DELAY_3;
10424   si->debug.frame_delay[4] = DEFAULT_FRAME_DELAY_4;
10425   si->debug.frame_delay[5] = DEFAULT_FRAME_DELAY_5;
10426   si->debug.frame_delay[6] = DEFAULT_FRAME_DELAY_6;
10427   si->debug.frame_delay[7] = DEFAULT_FRAME_DELAY_7;
10428   si->debug.frame_delay[8] = DEFAULT_FRAME_DELAY_8;
10429   si->debug.frame_delay[9] = DEFAULT_FRAME_DELAY_9;
10430
10431   si->debug.frame_delay_key[0] = DEFAULT_KEY_FRAME_DELAY_0;
10432   si->debug.frame_delay_key[1] = DEFAULT_KEY_FRAME_DELAY_1;
10433   si->debug.frame_delay_key[2] = DEFAULT_KEY_FRAME_DELAY_2;
10434   si->debug.frame_delay_key[3] = DEFAULT_KEY_FRAME_DELAY_3;
10435   si->debug.frame_delay_key[4] = DEFAULT_KEY_FRAME_DELAY_4;
10436   si->debug.frame_delay_key[5] = DEFAULT_KEY_FRAME_DELAY_5;
10437   si->debug.frame_delay_key[6] = DEFAULT_KEY_FRAME_DELAY_6;
10438   si->debug.frame_delay_key[7] = DEFAULT_KEY_FRAME_DELAY_7;
10439   si->debug.frame_delay_key[8] = DEFAULT_KEY_FRAME_DELAY_8;
10440   si->debug.frame_delay_key[9] = DEFAULT_KEY_FRAME_DELAY_9;
10441
10442   si->debug.frame_delay_use_mod_key = DEFAULT_FRAME_DELAY_USE_MOD_KEY;
10443   si->debug.frame_delay_game_only   = DEFAULT_FRAME_DELAY_GAME_ONLY;
10444
10445   si->debug.show_frames_per_second = FALSE;
10446
10447   si->debug.xsn_mode = AUTO;
10448   si->debug.xsn_percent = 0;
10449
10450   si->options.verbose = FALSE;
10451
10452 #if defined(PLATFORM_ANDROID)
10453   si->fullscreen = TRUE;
10454 #endif
10455
10456   setHideSetupEntry(&setup.debug.xsn_mode);
10457 }
10458
10459 static void setSetupInfoToDefaults_AutoSetup(struct SetupInfo *si)
10460 {
10461   si->auto_setup.editor_zoom_tilesize = MINI_TILESIZE;
10462 }
10463
10464 static void setSetupInfoToDefaults_EditorCascade(struct SetupInfo *si)
10465 {
10466   si->editor_cascade.el_bd              = TRUE;
10467   si->editor_cascade.el_em              = TRUE;
10468   si->editor_cascade.el_emc             = TRUE;
10469   si->editor_cascade.el_rnd             = TRUE;
10470   si->editor_cascade.el_sb              = TRUE;
10471   si->editor_cascade.el_sp              = TRUE;
10472   si->editor_cascade.el_dc              = TRUE;
10473   si->editor_cascade.el_dx              = TRUE;
10474
10475   si->editor_cascade.el_mm              = TRUE;
10476   si->editor_cascade.el_df              = TRUE;
10477
10478   si->editor_cascade.el_chars           = FALSE;
10479   si->editor_cascade.el_steel_chars     = FALSE;
10480   si->editor_cascade.el_ce              = FALSE;
10481   si->editor_cascade.el_ge              = FALSE;
10482   si->editor_cascade.el_ref             = FALSE;
10483   si->editor_cascade.el_user            = FALSE;
10484   si->editor_cascade.el_dynamic         = FALSE;
10485 }
10486
10487 #define MAX_HIDE_SETUP_TOKEN_SIZE               20
10488
10489 static char *getHideSetupToken(void *setup_value)
10490 {
10491   static char hide_setup_token[MAX_HIDE_SETUP_TOKEN_SIZE];
10492
10493   if (setup_value != NULL)
10494     snprintf(hide_setup_token, MAX_HIDE_SETUP_TOKEN_SIZE, "%p", setup_value);
10495
10496   return hide_setup_token;
10497 }
10498
10499 void setHideSetupEntry(void *setup_value)
10500 {
10501   char *hide_setup_token = getHideSetupToken(setup_value);
10502
10503   if (hide_setup_hash == NULL)
10504     hide_setup_hash = newSetupFileHash();
10505
10506   if (setup_value != NULL)
10507     setHashEntry(hide_setup_hash, hide_setup_token, "");
10508 }
10509
10510 void removeHideSetupEntry(void *setup_value)
10511 {
10512   char *hide_setup_token = getHideSetupToken(setup_value);
10513
10514   if (setup_value != NULL)
10515     removeHashEntry(hide_setup_hash, hide_setup_token);
10516 }
10517
10518 boolean hideSetupEntry(void *setup_value)
10519 {
10520   char *hide_setup_token = getHideSetupToken(setup_value);
10521
10522   return (setup_value != NULL &&
10523           getHashEntry(hide_setup_hash, hide_setup_token) != NULL);
10524 }
10525
10526 static void setSetupInfoFromTokenText(SetupFileHash *setup_file_hash,
10527                                       struct TokenInfo *token_info,
10528                                       int token_nr, char *token_text)
10529 {
10530   char *token_hide_text = getStringCat2(token_text, ".hide");
10531   char *token_hide_value = getHashEntry(setup_file_hash, token_hide_text);
10532
10533   // set the value of this setup option in the setup option structure
10534   setSetupInfo(token_info, token_nr, getHashEntry(setup_file_hash, token_text));
10535
10536   // check if this setup option should be hidden in the setup menu
10537   if (token_hide_value != NULL && get_boolean_from_string(token_hide_value))
10538     setHideSetupEntry(token_info[token_nr].value);
10539
10540   free(token_hide_text);
10541 }
10542
10543 static void setSetupInfoFromTokenInfo(SetupFileHash *setup_file_hash,
10544                                       struct TokenInfo *token_info,
10545                                       int token_nr)
10546 {
10547   setSetupInfoFromTokenText(setup_file_hash, token_info, token_nr,
10548                             token_info[token_nr].text);
10549 }
10550
10551 static void decodeSetupFileHash(SetupFileHash *setup_file_hash)
10552 {
10553   int i, pnr;
10554
10555   if (!setup_file_hash)
10556     return;
10557
10558   for (i = 0; i < ARRAY_SIZE(global_setup_tokens); i++)
10559     setSetupInfoFromTokenInfo(setup_file_hash, global_setup_tokens, i);
10560
10561   setup.touch.grid_initialized = TRUE;
10562   for (i = 0; i < 2; i++)
10563   {
10564     int grid_xsize = setup.touch.grid_xsize[i];
10565     int grid_ysize = setup.touch.grid_ysize[i];
10566     int x, y;
10567
10568     // if virtual buttons are not loaded from setup file, repeat initializing
10569     // virtual buttons grid with default values later when video is initialized
10570     if (grid_xsize == -1 ||
10571         grid_ysize == -1)
10572     {
10573       setup.touch.grid_initialized = FALSE;
10574
10575       continue;
10576     }
10577
10578     for (y = 0; y < grid_ysize; y++)
10579     {
10580       char token_string[MAX_LINE_LEN];
10581
10582       sprintf(token_string, "touch.virtual_buttons.%d.%02d", i, y);
10583
10584       char *value_string = getHashEntry(setup_file_hash, token_string);
10585
10586       if (value_string == NULL)
10587         continue;
10588
10589       for (x = 0; x < grid_xsize; x++)
10590       {
10591         char c = value_string[x];
10592
10593         setup.touch.grid_button[i][x][y] =
10594           (c == '.' ? CHAR_GRID_BUTTON_NONE : c);
10595       }
10596     }
10597   }
10598
10599   for (i = 0; i < ARRAY_SIZE(editor_setup_tokens); i++)
10600     setSetupInfoFromTokenInfo(setup_file_hash, editor_setup_tokens, i);
10601
10602   for (i = 0; i < ARRAY_SIZE(shortcut_setup_tokens); i++)
10603     setSetupInfoFromTokenInfo(setup_file_hash, shortcut_setup_tokens, i);
10604
10605   for (pnr = 0; pnr < MAX_PLAYERS; pnr++)
10606   {
10607     char prefix[30];
10608
10609     sprintf(prefix, "%s%d", TOKEN_STR_PLAYER_PREFIX, pnr + 1);
10610
10611     setup_input = setup.input[pnr];
10612     for (i = 0; i < ARRAY_SIZE(player_setup_tokens); i++)
10613     {
10614       char full_token[100];
10615
10616       sprintf(full_token, "%s%s", prefix, player_setup_tokens[i].text);
10617       setSetupInfoFromTokenText(setup_file_hash, player_setup_tokens, i,
10618                                 full_token);
10619     }
10620     setup.input[pnr] = setup_input;
10621   }
10622
10623   for (i = 0; i < ARRAY_SIZE(system_setup_tokens); i++)
10624     setSetupInfoFromTokenInfo(setup_file_hash, system_setup_tokens, i);
10625
10626   for (i = 0; i < ARRAY_SIZE(internal_setup_tokens); i++)
10627     setSetupInfoFromTokenInfo(setup_file_hash, internal_setup_tokens, i);
10628
10629   for (i = 0; i < ARRAY_SIZE(debug_setup_tokens); i++)
10630     setSetupInfoFromTokenInfo(setup_file_hash, debug_setup_tokens, i);
10631
10632   for (i = 0; i < ARRAY_SIZE(options_setup_tokens); i++)
10633     setSetupInfoFromTokenInfo(setup_file_hash, options_setup_tokens, i);
10634
10635   setHideRelatedSetupEntries();
10636 }
10637
10638 static void decodeSetupFileHash_AutoSetup(SetupFileHash *setup_file_hash)
10639 {
10640   int i;
10641
10642   if (!setup_file_hash)
10643     return;
10644
10645   for (i = 0; i < ARRAY_SIZE(auto_setup_tokens); i++)
10646     setSetupInfo(auto_setup_tokens, i,
10647                  getHashEntry(setup_file_hash,
10648                               auto_setup_tokens[i].text));
10649 }
10650
10651 static void decodeSetupFileHash_EditorCascade(SetupFileHash *setup_file_hash)
10652 {
10653   int i;
10654
10655   if (!setup_file_hash)
10656     return;
10657
10658   for (i = 0; i < ARRAY_SIZE(editor_cascade_setup_tokens); i++)
10659     setSetupInfo(editor_cascade_setup_tokens, i,
10660                  getHashEntry(setup_file_hash,
10661                               editor_cascade_setup_tokens[i].text));
10662 }
10663
10664 void LoadUserNames(void)
10665 {
10666   int last_user_nr = user.nr;
10667   int i;
10668
10669   if (global.user_names != NULL)
10670   {
10671     for (i = 0; i < MAX_PLAYER_NAMES; i++)
10672       checked_free(global.user_names[i]);
10673
10674     checked_free(global.user_names);
10675   }
10676
10677   global.user_names = checked_calloc(MAX_PLAYER_NAMES * sizeof(char *));
10678
10679   for (i = 0; i < MAX_PLAYER_NAMES; i++)
10680   {
10681     user.nr = i;
10682
10683     SetupFileHash *setup_file_hash = loadSetupFileHash(getSetupFilename());
10684
10685     if (setup_file_hash)
10686     {
10687       char *player_name = getHashEntry(setup_file_hash, "player_name");
10688
10689       global.user_names[i] = getFixedUserName(player_name);
10690
10691       freeSetupFileHash(setup_file_hash);
10692     }
10693
10694     if (global.user_names[i] == NULL)
10695       global.user_names[i] = getStringCopy(getDefaultUserName(i));
10696   }
10697
10698   user.nr = last_user_nr;
10699 }
10700
10701 void LoadSetupFromFilename(char *filename)
10702 {
10703   SetupFileHash *setup_file_hash = loadSetupFileHash(filename);
10704
10705   if (setup_file_hash)
10706   {
10707     decodeSetupFileHash(setup_file_hash);
10708
10709     freeSetupFileHash(setup_file_hash);
10710   }
10711   else
10712   {
10713     Debug("setup", "using default setup values");
10714   }
10715 }
10716
10717 static void LoadSetup_SpecialPostProcessing(void)
10718 {
10719   char *player_name_new;
10720
10721   // needed to work around problems with fixed length strings
10722   player_name_new = getFixedUserName(setup.player_name);
10723   free(setup.player_name);
10724   setup.player_name = player_name_new;
10725
10726   // "scroll_delay: on(3) / off(0)" was replaced by scroll delay value
10727   if (setup.scroll_delay == FALSE)
10728   {
10729     setup.scroll_delay_value = MIN_SCROLL_DELAY;
10730     setup.scroll_delay = TRUE;                  // now always "on"
10731   }
10732
10733   // make sure that scroll delay value stays inside valid range
10734   setup.scroll_delay_value =
10735     MIN(MAX(MIN_SCROLL_DELAY, setup.scroll_delay_value), MAX_SCROLL_DELAY);
10736 }
10737
10738 void LoadSetup(void)
10739 {
10740   char *filename;
10741
10742   // always start with reliable default values
10743   setSetupInfoToDefaults(&setup);
10744
10745   // try to load setup values from default setup file
10746   filename = getDefaultSetupFilename();
10747
10748   if (fileExists(filename))
10749     LoadSetupFromFilename(filename);
10750
10751   // try to load setup values from user setup file
10752   filename = getSetupFilename();
10753
10754   LoadSetupFromFilename(filename);
10755
10756   LoadSetup_SpecialPostProcessing();
10757 }
10758
10759 void LoadSetup_AutoSetup(void)
10760 {
10761   char *filename = getPath2(getSetupDir(), AUTOSETUP_FILENAME);
10762   SetupFileHash *setup_file_hash = NULL;
10763
10764   // always start with reliable default values
10765   setSetupInfoToDefaults_AutoSetup(&setup);
10766
10767   setup_file_hash = loadSetupFileHash(filename);
10768
10769   if (setup_file_hash)
10770   {
10771     decodeSetupFileHash_AutoSetup(setup_file_hash);
10772
10773     freeSetupFileHash(setup_file_hash);
10774   }
10775
10776   free(filename);
10777 }
10778
10779 void LoadSetup_EditorCascade(void)
10780 {
10781   char *filename = getPath2(getSetupDir(), EDITORCASCADE_FILENAME);
10782   SetupFileHash *setup_file_hash = NULL;
10783
10784   // always start with reliable default values
10785   setSetupInfoToDefaults_EditorCascade(&setup);
10786
10787   setup_file_hash = loadSetupFileHash(filename);
10788
10789   if (setup_file_hash)
10790   {
10791     decodeSetupFileHash_EditorCascade(setup_file_hash);
10792
10793     freeSetupFileHash(setup_file_hash);
10794   }
10795
10796   free(filename);
10797 }
10798
10799 static void addGameControllerMappingToHash(SetupFileHash *mappings_hash,
10800                                            char *mapping_line)
10801 {
10802   char mapping_guid[MAX_LINE_LEN];
10803   char *mapping_start, *mapping_end;
10804
10805   // get GUID from game controller mapping line: copy complete line
10806   strncpy(mapping_guid, mapping_line, MAX_LINE_LEN - 1);
10807   mapping_guid[MAX_LINE_LEN - 1] = '\0';
10808
10809   // get GUID from game controller mapping line: cut after GUID part
10810   mapping_start = strchr(mapping_guid, ',');
10811   if (mapping_start != NULL)
10812     *mapping_start = '\0';
10813
10814   // cut newline from game controller mapping line
10815   mapping_end = strchr(mapping_line, '\n');
10816   if (mapping_end != NULL)
10817     *mapping_end = '\0';
10818
10819   // add mapping entry to game controller mappings hash
10820   setHashEntry(mappings_hash, mapping_guid, mapping_line);
10821 }
10822
10823 static void LoadSetup_ReadGameControllerMappings(SetupFileHash *mappings_hash,
10824                                                  char *filename)
10825 {
10826   FILE *file;
10827
10828   if (!(file = fopen(filename, MODE_READ)))
10829   {
10830     Warn("cannot read game controller mappings file '%s'", filename);
10831
10832     return;
10833   }
10834
10835   while (!feof(file))
10836   {
10837     char line[MAX_LINE_LEN];
10838
10839     if (!fgets(line, MAX_LINE_LEN, file))
10840       break;
10841
10842     addGameControllerMappingToHash(mappings_hash, line);
10843   }
10844
10845   fclose(file);
10846 }
10847
10848 void SaveSetup(void)
10849 {
10850   char *filename = getSetupFilename();
10851   FILE *file;
10852   int i, pnr;
10853
10854   InitUserDataDirectory();
10855
10856   if (!(file = fopen(filename, MODE_WRITE)))
10857   {
10858     Warn("cannot write setup file '%s'", filename);
10859
10860     return;
10861   }
10862
10863   fprintFileHeader(file, SETUP_FILENAME);
10864
10865   for (i = 0; i < ARRAY_SIZE(global_setup_tokens); i++)
10866   {
10867     // just to make things nicer :)
10868     if (global_setup_tokens[i].value == &setup.multiple_users           ||
10869         global_setup_tokens[i].value == &setup.sound                    ||
10870         global_setup_tokens[i].value == &setup.graphics_set             ||
10871         global_setup_tokens[i].value == &setup.volume_simple            ||
10872         global_setup_tokens[i].value == &setup.network_mode             ||
10873         global_setup_tokens[i].value == &setup.api_server               ||
10874         global_setup_tokens[i].value == &setup.touch.control_type       ||
10875         global_setup_tokens[i].value == &setup.touch.grid_xsize[0]      ||
10876         global_setup_tokens[i].value == &setup.touch.grid_xsize[1])
10877       fprintf(file, "\n");
10878
10879     fprintf(file, "%s\n", getSetupLine(global_setup_tokens, "", i));
10880   }
10881
10882   for (i = 0; i < 2; i++)
10883   {
10884     int grid_xsize = setup.touch.grid_xsize[i];
10885     int grid_ysize = setup.touch.grid_ysize[i];
10886     int x, y;
10887
10888     fprintf(file, "\n");
10889
10890     for (y = 0; y < grid_ysize; y++)
10891     {
10892       char token_string[MAX_LINE_LEN];
10893       char value_string[MAX_LINE_LEN];
10894
10895       sprintf(token_string, "touch.virtual_buttons.%d.%02d", i, y);
10896
10897       for (x = 0; x < grid_xsize; x++)
10898       {
10899         char c = setup.touch.grid_button[i][x][y];
10900
10901         value_string[x] = (c == CHAR_GRID_BUTTON_NONE ? '.' : c);
10902       }
10903
10904       value_string[grid_xsize] = '\0';
10905
10906       fprintf(file, "%s\n", getFormattedSetupEntry(token_string, value_string));
10907     }
10908   }
10909
10910   fprintf(file, "\n");
10911   for (i = 0; i < ARRAY_SIZE(editor_setup_tokens); i++)
10912     fprintf(file, "%s\n", getSetupLine(editor_setup_tokens, "", i));
10913
10914   fprintf(file, "\n");
10915   for (i = 0; i < ARRAY_SIZE(shortcut_setup_tokens); i++)
10916     fprintf(file, "%s\n", getSetupLine(shortcut_setup_tokens, "", i));
10917
10918   for (pnr = 0; pnr < MAX_PLAYERS; pnr++)
10919   {
10920     char prefix[30];
10921
10922     sprintf(prefix, "%s%d", TOKEN_STR_PLAYER_PREFIX, pnr + 1);
10923     fprintf(file, "\n");
10924
10925     setup_input = setup.input[pnr];
10926     for (i = 0; i < ARRAY_SIZE(player_setup_tokens); i++)
10927       fprintf(file, "%s\n", getSetupLine(player_setup_tokens, prefix, i));
10928   }
10929
10930   fprintf(file, "\n");
10931   for (i = 0; i < ARRAY_SIZE(system_setup_tokens); i++)
10932     fprintf(file, "%s\n", getSetupLine(system_setup_tokens, "", i));
10933
10934   // (internal setup values not saved to user setup file)
10935
10936   fprintf(file, "\n");
10937   for (i = 0; i < ARRAY_SIZE(debug_setup_tokens); i++)
10938     if (!strPrefix(debug_setup_tokens[i].text, "debug.xsn_") ||
10939         setup.debug.xsn_mode != AUTO)
10940       fprintf(file, "%s\n", getSetupLine(debug_setup_tokens, "", i));
10941
10942   fprintf(file, "\n");
10943   for (i = 0; i < ARRAY_SIZE(options_setup_tokens); i++)
10944     fprintf(file, "%s\n", getSetupLine(options_setup_tokens, "", i));
10945
10946   fclose(file);
10947
10948   SetFilePermissions(filename, PERMS_PRIVATE);
10949 }
10950
10951 void SaveSetup_AutoSetup(void)
10952 {
10953   char *filename = getPath2(getSetupDir(), AUTOSETUP_FILENAME);
10954   FILE *file;
10955   int i;
10956
10957   InitUserDataDirectory();
10958
10959   if (!(file = fopen(filename, MODE_WRITE)))
10960   {
10961     Warn("cannot write auto setup file '%s'", filename);
10962
10963     free(filename);
10964
10965     return;
10966   }
10967
10968   fprintFileHeader(file, AUTOSETUP_FILENAME);
10969
10970   for (i = 0; i < ARRAY_SIZE(auto_setup_tokens); i++)
10971     fprintf(file, "%s\n", getSetupLine(auto_setup_tokens, "", i));
10972
10973   fclose(file);
10974
10975   SetFilePermissions(filename, PERMS_PRIVATE);
10976
10977   free(filename);
10978 }
10979
10980 void SaveSetup_EditorCascade(void)
10981 {
10982   char *filename = getPath2(getSetupDir(), EDITORCASCADE_FILENAME);
10983   FILE *file;
10984   int i;
10985
10986   InitUserDataDirectory();
10987
10988   if (!(file = fopen(filename, MODE_WRITE)))
10989   {
10990     Warn("cannot write editor cascade state file '%s'", filename);
10991
10992     free(filename);
10993
10994     return;
10995   }
10996
10997   fprintFileHeader(file, EDITORCASCADE_FILENAME);
10998
10999   for (i = 0; i < ARRAY_SIZE(editor_cascade_setup_tokens); i++)
11000     fprintf(file, "%s\n", getSetupLine(editor_cascade_setup_tokens, "", i));
11001
11002   fclose(file);
11003
11004   SetFilePermissions(filename, PERMS_PRIVATE);
11005
11006   free(filename);
11007 }
11008
11009 static void SaveSetup_WriteGameControllerMappings(SetupFileHash *mappings_hash,
11010                                                   char *filename)
11011 {
11012   FILE *file;
11013
11014   if (!(file = fopen(filename, MODE_WRITE)))
11015   {
11016     Warn("cannot write game controller mappings file '%s'", filename);
11017
11018     return;
11019   }
11020
11021   BEGIN_HASH_ITERATION(mappings_hash, itr)
11022   {
11023     fprintf(file, "%s\n", HASH_ITERATION_VALUE(itr));
11024   }
11025   END_HASH_ITERATION(mappings_hash, itr)
11026
11027   fclose(file);
11028 }
11029
11030 void SaveSetup_AddGameControllerMapping(char *mapping)
11031 {
11032   char *filename = getPath2(getSetupDir(), GAMECONTROLLER_BASENAME);
11033   SetupFileHash *mappings_hash = newSetupFileHash();
11034
11035   InitUserDataDirectory();
11036
11037   // load existing personal game controller mappings
11038   LoadSetup_ReadGameControllerMappings(mappings_hash, filename);
11039
11040   // add new mapping to personal game controller mappings
11041   addGameControllerMappingToHash(mappings_hash, mapping);
11042
11043   // save updated personal game controller mappings
11044   SaveSetup_WriteGameControllerMappings(mappings_hash, filename);
11045
11046   freeSetupFileHash(mappings_hash);
11047   free(filename);
11048 }
11049
11050 void LoadCustomElementDescriptions(void)
11051 {
11052   char *filename = getCustomArtworkConfigFilename(ARTWORK_TYPE_GRAPHICS);
11053   SetupFileHash *setup_file_hash;
11054   int i;
11055
11056   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
11057   {
11058     if (element_info[i].custom_description != NULL)
11059     {
11060       free(element_info[i].custom_description);
11061       element_info[i].custom_description = NULL;
11062     }
11063   }
11064
11065   if ((setup_file_hash = loadSetupFileHash(filename)) == NULL)
11066     return;
11067
11068   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
11069   {
11070     char *token = getStringCat2(element_info[i].token_name, ".name");
11071     char *value = getHashEntry(setup_file_hash, token);
11072
11073     if (value != NULL)
11074       element_info[i].custom_description = getStringCopy(value);
11075
11076     free(token);
11077   }
11078
11079   freeSetupFileHash(setup_file_hash);
11080 }
11081
11082 static int getElementFromToken(char *token)
11083 {
11084   char *value = getHashEntry(element_token_hash, token);
11085
11086   if (value != NULL)
11087     return atoi(value);
11088
11089   Warn("unknown element token '%s'", token);
11090
11091   return EL_UNDEFINED;
11092 }
11093
11094 void FreeGlobalAnimEventInfo(void)
11095 {
11096   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
11097
11098   if (gaei->event_list == NULL)
11099     return;
11100
11101   int i;
11102
11103   for (i = 0; i < gaei->num_event_lists; i++)
11104   {
11105     checked_free(gaei->event_list[i]->event_value);
11106     checked_free(gaei->event_list[i]);
11107   }
11108
11109   checked_free(gaei->event_list);
11110
11111   gaei->event_list = NULL;
11112   gaei->num_event_lists = 0;
11113 }
11114
11115 static int AddGlobalAnimEventList(void)
11116 {
11117   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
11118   int list_pos = gaei->num_event_lists++;
11119
11120   gaei->event_list = checked_realloc(gaei->event_list, gaei->num_event_lists *
11121                                      sizeof(struct GlobalAnimEventListInfo *));
11122
11123   gaei->event_list[list_pos] =
11124     checked_calloc(sizeof(struct GlobalAnimEventListInfo));
11125
11126   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
11127
11128   gaeli->event_value = NULL;
11129   gaeli->num_event_values = 0;
11130
11131   return list_pos;
11132 }
11133
11134 static int AddGlobalAnimEventValue(int list_pos, int event_value)
11135 {
11136   // do not add empty global animation events
11137   if (event_value == ANIM_EVENT_NONE)
11138     return list_pos;
11139
11140   // if list position is undefined, create new list
11141   if (list_pos == ANIM_EVENT_UNDEFINED)
11142     list_pos = AddGlobalAnimEventList();
11143
11144   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
11145   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
11146   int value_pos = gaeli->num_event_values++;
11147
11148   gaeli->event_value = checked_realloc(gaeli->event_value,
11149                                        gaeli->num_event_values * sizeof(int *));
11150
11151   gaeli->event_value[value_pos] = event_value;
11152
11153   return list_pos;
11154 }
11155
11156 int GetGlobalAnimEventValue(int list_pos, int value_pos)
11157 {
11158   if (list_pos == ANIM_EVENT_UNDEFINED)
11159     return ANIM_EVENT_NONE;
11160
11161   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
11162   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
11163
11164   return gaeli->event_value[value_pos];
11165 }
11166
11167 int GetGlobalAnimEventValueCount(int list_pos)
11168 {
11169   if (list_pos == ANIM_EVENT_UNDEFINED)
11170     return 0;
11171
11172   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
11173   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
11174
11175   return gaeli->num_event_values;
11176 }
11177
11178 // This function checks if a string <s> of the format "string1, string2, ..."
11179 // exactly contains a string <s_contained>.
11180
11181 static boolean string_has_parameter(char *s, char *s_contained)
11182 {
11183   char *substring;
11184
11185   if (s == NULL || s_contained == NULL)
11186     return FALSE;
11187
11188   if (strlen(s_contained) > strlen(s))
11189     return FALSE;
11190
11191   if (strncmp(s, s_contained, strlen(s_contained)) == 0)
11192   {
11193     char next_char = s[strlen(s_contained)];
11194
11195     // check if next character is delimiter or whitespace
11196     return (next_char == ',' || next_char == '\0' ||
11197             next_char == ' ' || next_char == '\t' ? TRUE : FALSE);
11198   }
11199
11200   // check if string contains another parameter string after a comma
11201   substring = strchr(s, ',');
11202   if (substring == NULL)        // string does not contain a comma
11203     return FALSE;
11204
11205   // advance string pointer to next character after the comma
11206   substring++;
11207
11208   // skip potential whitespaces after the comma
11209   while (*substring == ' ' || *substring == '\t')
11210     substring++;
11211
11212   return string_has_parameter(substring, s_contained);
11213 }
11214
11215 static int get_anim_parameter_value(char *s)
11216 {
11217   int event_value[] =
11218   {
11219     ANIM_EVENT_CLICK,
11220     ANIM_EVENT_INIT,
11221     ANIM_EVENT_START,
11222     ANIM_EVENT_END,
11223     ANIM_EVENT_POST
11224   };
11225   char *pattern_1[] =
11226   {
11227     "click:anim_",
11228     "init:anim_",
11229     "start:anim_",
11230     "end:anim_",
11231     "post:anim_"
11232   };
11233   char *pattern_2 = ".part_";
11234   char *matching_char = NULL;
11235   char *s_ptr = s;
11236   int pattern_1_len = 0;
11237   int result = ANIM_EVENT_NONE;
11238   int i;
11239
11240   for (i = 0; i < ARRAY_SIZE(event_value); i++)
11241   {
11242     matching_char = strstr(s_ptr, pattern_1[i]);
11243     pattern_1_len = strlen(pattern_1[i]);
11244     result = event_value[i];
11245
11246     if (matching_char != NULL)
11247       break;
11248   }
11249
11250   if (matching_char == NULL)
11251     return ANIM_EVENT_NONE;
11252
11253   s_ptr = matching_char + pattern_1_len;
11254
11255   // check for main animation number ("anim_X" or "anim_XX")
11256   if (*s_ptr >= '0' && *s_ptr <= '9')
11257   {
11258     int gic_anim_nr = (*s_ptr++ - '0');
11259
11260     if (*s_ptr >= '0' && *s_ptr <= '9')
11261       gic_anim_nr = 10 * gic_anim_nr + (*s_ptr++ - '0');
11262
11263     if (gic_anim_nr < 1 || gic_anim_nr > MAX_GLOBAL_ANIMS)
11264       return ANIM_EVENT_NONE;
11265
11266     result |= gic_anim_nr << ANIM_EVENT_ANIM_BIT;
11267   }
11268   else
11269   {
11270     // invalid main animation number specified
11271
11272     return ANIM_EVENT_NONE;
11273   }
11274
11275   // check for animation part number ("part_X" or "part_XX") (optional)
11276   if (strPrefix(s_ptr, pattern_2))
11277   {
11278     s_ptr += strlen(pattern_2);
11279
11280     if (*s_ptr >= '0' && *s_ptr <= '9')
11281     {
11282       int gic_part_nr = (*s_ptr++ - '0');
11283
11284       if (*s_ptr >= '0' && *s_ptr <= '9')
11285         gic_part_nr = 10 * gic_part_nr + (*s_ptr++ - '0');
11286
11287       if (gic_part_nr < 1 || gic_part_nr > MAX_GLOBAL_ANIM_PARTS)
11288         return ANIM_EVENT_NONE;
11289
11290       result |= gic_part_nr << ANIM_EVENT_PART_BIT;
11291     }
11292     else
11293     {
11294       // invalid animation part number specified
11295
11296       return ANIM_EVENT_NONE;
11297     }
11298   }
11299
11300   // discard result if next character is neither delimiter nor whitespace
11301   if (!(*s_ptr == ',' || *s_ptr == '\0' ||
11302         *s_ptr == ' ' || *s_ptr == '\t'))
11303     return ANIM_EVENT_NONE;
11304
11305   return result;
11306 }
11307
11308 static int get_anim_parameter_values(char *s)
11309 {
11310   int list_pos = ANIM_EVENT_UNDEFINED;
11311   int event_value = ANIM_EVENT_DEFAULT;
11312
11313   if (string_has_parameter(s, "any"))
11314     event_value |= ANIM_EVENT_ANY;
11315
11316   if (string_has_parameter(s, "click:self") ||
11317       string_has_parameter(s, "click") ||
11318       string_has_parameter(s, "self"))
11319     event_value |= ANIM_EVENT_SELF;
11320
11321   if (string_has_parameter(s, "unclick:any"))
11322     event_value |= ANIM_EVENT_UNCLICK_ANY;
11323
11324   // if animation event found, add it to global animation event list
11325   if (event_value != ANIM_EVENT_NONE)
11326     list_pos = AddGlobalAnimEventValue(list_pos, event_value);
11327
11328   while (s != NULL)
11329   {
11330     // add optional "click:anim_X" or "click:anim_X.part_X" parameter
11331     event_value = get_anim_parameter_value(s);
11332
11333     // if animation event found, add it to global animation event list
11334     if (event_value != ANIM_EVENT_NONE)
11335       list_pos = AddGlobalAnimEventValue(list_pos, event_value);
11336
11337     // continue with next part of the string, starting with next comma
11338     s = strchr(s + 1, ',');
11339   }
11340
11341   return list_pos;
11342 }
11343
11344 static int get_anim_action_parameter_value(char *token)
11345 {
11346   // check most common default case first to massively speed things up
11347   if (strEqual(token, ARG_UNDEFINED))
11348     return ANIM_EVENT_ACTION_NONE;
11349
11350   int result = getImageIDFromToken(token);
11351
11352   if (result == -1)
11353   {
11354     char *gfx_token = getStringCat2("gfx.", token);
11355
11356     result = getImageIDFromToken(gfx_token);
11357
11358     checked_free(gfx_token);
11359   }
11360
11361   if (result == -1)
11362   {
11363     Key key = getKeyFromX11KeyName(token);
11364
11365     if (key != KSYM_UNDEFINED)
11366       result = -(int)key;
11367   }
11368
11369   if (result == -1)
11370     result = ANIM_EVENT_ACTION_NONE;
11371
11372   return result;
11373 }
11374
11375 int get_parameter_value(char *value_raw, char *suffix, int type)
11376 {
11377   char *value = getStringToLower(value_raw);
11378   int result = 0;       // probably a save default value
11379
11380   if (strEqual(suffix, ".direction"))
11381   {
11382     result = (strEqual(value, "left")  ? MV_LEFT :
11383               strEqual(value, "right") ? MV_RIGHT :
11384               strEqual(value, "up")    ? MV_UP :
11385               strEqual(value, "down")  ? MV_DOWN : MV_NONE);
11386   }
11387   else if (strEqual(suffix, ".position"))
11388   {
11389     result = (strEqual(value, "left")   ? POS_LEFT :
11390               strEqual(value, "right")  ? POS_RIGHT :
11391               strEqual(value, "top")    ? POS_TOP :
11392               strEqual(value, "upper")  ? POS_UPPER :
11393               strEqual(value, "middle") ? POS_MIDDLE :
11394               strEqual(value, "lower")  ? POS_LOWER :
11395               strEqual(value, "bottom") ? POS_BOTTOM :
11396               strEqual(value, "any")    ? POS_ANY :
11397               strEqual(value, "last")   ? POS_LAST : POS_UNDEFINED);
11398   }
11399   else if (strEqual(suffix, ".align"))
11400   {
11401     result = (strEqual(value, "left")   ? ALIGN_LEFT :
11402               strEqual(value, "right")  ? ALIGN_RIGHT :
11403               strEqual(value, "center") ? ALIGN_CENTER :
11404               strEqual(value, "middle") ? ALIGN_CENTER : ALIGN_DEFAULT);
11405   }
11406   else if (strEqual(suffix, ".valign"))
11407   {
11408     result = (strEqual(value, "top")    ? VALIGN_TOP :
11409               strEqual(value, "bottom") ? VALIGN_BOTTOM :
11410               strEqual(value, "middle") ? VALIGN_MIDDLE :
11411               strEqual(value, "center") ? VALIGN_MIDDLE : VALIGN_DEFAULT);
11412   }
11413   else if (strEqual(suffix, ".anim_mode"))
11414   {
11415     result = (string_has_parameter(value, "none")       ? ANIM_NONE :
11416               string_has_parameter(value, "loop")       ? ANIM_LOOP :
11417               string_has_parameter(value, "linear")     ? ANIM_LINEAR :
11418               string_has_parameter(value, "pingpong")   ? ANIM_PINGPONG :
11419               string_has_parameter(value, "pingpong2")  ? ANIM_PINGPONG2 :
11420               string_has_parameter(value, "random")     ? ANIM_RANDOM :
11421               string_has_parameter(value, "ce_value")   ? ANIM_CE_VALUE :
11422               string_has_parameter(value, "ce_score")   ? ANIM_CE_SCORE :
11423               string_has_parameter(value, "ce_delay")   ? ANIM_CE_DELAY :
11424               string_has_parameter(value, "horizontal") ? ANIM_HORIZONTAL :
11425               string_has_parameter(value, "vertical")   ? ANIM_VERTICAL :
11426               string_has_parameter(value, "centered")   ? ANIM_CENTERED :
11427               string_has_parameter(value, "all")        ? ANIM_ALL :
11428               ANIM_DEFAULT);
11429
11430     if (string_has_parameter(value, "once"))
11431       result |= ANIM_ONCE;
11432
11433     if (string_has_parameter(value, "reverse"))
11434       result |= ANIM_REVERSE;
11435
11436     if (string_has_parameter(value, "opaque_player"))
11437       result |= ANIM_OPAQUE_PLAYER;
11438
11439     if (string_has_parameter(value, "static_panel"))
11440       result |= ANIM_STATIC_PANEL;
11441   }
11442   else if (strEqual(suffix, ".init_event") ||
11443            strEqual(suffix, ".anim_event"))
11444   {
11445     result = get_anim_parameter_values(value);
11446   }
11447   else if (strEqual(suffix, ".init_delay_action") ||
11448            strEqual(suffix, ".anim_delay_action") ||
11449            strEqual(suffix, ".post_delay_action") ||
11450            strEqual(suffix, ".init_event_action") ||
11451            strEqual(suffix, ".anim_event_action"))
11452   {
11453     result = get_anim_action_parameter_value(value_raw);
11454   }
11455   else if (strEqual(suffix, ".class"))
11456   {
11457     result = (strEqual(value, ARG_UNDEFINED) ? ARG_UNDEFINED_VALUE :
11458               get_hash_from_key(value));
11459   }
11460   else if (strEqual(suffix, ".style"))
11461   {
11462     result = STYLE_DEFAULT;
11463
11464     if (string_has_parameter(value, "accurate_borders"))
11465       result |= STYLE_ACCURATE_BORDERS;
11466
11467     if (string_has_parameter(value, "inner_corners"))
11468       result |= STYLE_INNER_CORNERS;
11469
11470     if (string_has_parameter(value, "reverse"))
11471       result |= STYLE_REVERSE;
11472
11473     if (string_has_parameter(value, "leftmost_position"))
11474       result |= STYLE_LEFTMOST_POSITION;
11475
11476     if (string_has_parameter(value, "block_clicks"))
11477       result |= STYLE_BLOCK;
11478
11479     if (string_has_parameter(value, "passthrough_clicks"))
11480       result |= STYLE_PASSTHROUGH;
11481
11482     if (string_has_parameter(value, "multiple_actions"))
11483       result |= STYLE_MULTIPLE_ACTIONS;
11484   }
11485   else if (strEqual(suffix, ".fade_mode"))
11486   {
11487     result = (string_has_parameter(value, "none")       ? FADE_MODE_NONE :
11488               string_has_parameter(value, "fade")       ? FADE_MODE_FADE :
11489               string_has_parameter(value, "crossfade")  ? FADE_MODE_CROSSFADE :
11490               string_has_parameter(value, "melt")       ? FADE_MODE_MELT :
11491               string_has_parameter(value, "curtain")    ? FADE_MODE_CURTAIN :
11492               FADE_MODE_DEFAULT);
11493   }
11494   else if (strEqual(suffix, ".auto_delay_unit"))
11495   {
11496     result = (string_has_parameter(value, "ms")     ? AUTO_DELAY_UNIT_MS :
11497               string_has_parameter(value, "frames") ? AUTO_DELAY_UNIT_FRAMES :
11498               AUTO_DELAY_UNIT_DEFAULT);
11499   }
11500   else if (strPrefix(suffix, ".font"))          // (may also be ".font_xyz")
11501   {
11502     result = gfx.get_font_from_token_function(value);
11503   }
11504   else          // generic parameter of type integer or boolean
11505   {
11506     result = (strEqual(value, ARG_UNDEFINED) ? ARG_UNDEFINED_VALUE :
11507               type == TYPE_INTEGER ? get_integer_from_string(value) :
11508               type == TYPE_BOOLEAN ? get_boolean_from_string(value) :
11509               ARG_UNDEFINED_VALUE);
11510   }
11511
11512   free(value);
11513
11514   return result;
11515 }
11516
11517 static int get_token_parameter_value(char *token, char *value_raw)
11518 {
11519   char *suffix;
11520
11521   if (token == NULL || value_raw == NULL)
11522     return ARG_UNDEFINED_VALUE;
11523
11524   suffix = strrchr(token, '.');
11525   if (suffix == NULL)
11526     suffix = token;
11527
11528   if (strEqual(suffix, ".element"))
11529     return getElementFromToken(value_raw);
11530
11531   // !!! USE CORRECT VALUE TYPE (currently works also for TYPE_BOOLEAN) !!!
11532   return get_parameter_value(value_raw, suffix, TYPE_INTEGER);
11533 }
11534
11535 void InitMenuDesignSettings_Static(void)
11536 {
11537   int i;
11538
11539   // always start with reliable default values from static default config
11540   for (i = 0; image_config_vars[i].token != NULL; i++)
11541   {
11542     char *value = getHashEntry(image_config_hash, image_config_vars[i].token);
11543
11544     if (value != NULL)
11545       *image_config_vars[i].value =
11546         get_token_parameter_value(image_config_vars[i].token, value);
11547   }
11548 }
11549
11550 static void InitMenuDesignSettings_SpecialPreProcessing(void)
11551 {
11552   int i;
11553
11554   // the following initializes hierarchical values from static configuration
11555
11556   // special case: initialize "ARG_DEFAULT" values in static default config
11557   // (e.g., initialize "[titlemessage].fade_mode" from "[title].fade_mode")
11558   titlescreen_initial_first_default.fade_mode  =
11559     title_initial_first_default.fade_mode;
11560   titlescreen_initial_first_default.fade_delay =
11561     title_initial_first_default.fade_delay;
11562   titlescreen_initial_first_default.post_delay =
11563     title_initial_first_default.post_delay;
11564   titlescreen_initial_first_default.auto_delay =
11565     title_initial_first_default.auto_delay;
11566   titlescreen_initial_first_default.auto_delay_unit =
11567     title_initial_first_default.auto_delay_unit;
11568   titlescreen_first_default.fade_mode  = title_first_default.fade_mode;
11569   titlescreen_first_default.fade_delay = title_first_default.fade_delay;
11570   titlescreen_first_default.post_delay = title_first_default.post_delay;
11571   titlescreen_first_default.auto_delay = title_first_default.auto_delay;
11572   titlescreen_first_default.auto_delay_unit =
11573     title_first_default.auto_delay_unit;
11574   titlemessage_initial_first_default.fade_mode  =
11575     title_initial_first_default.fade_mode;
11576   titlemessage_initial_first_default.fade_delay =
11577     title_initial_first_default.fade_delay;
11578   titlemessage_initial_first_default.post_delay =
11579     title_initial_first_default.post_delay;
11580   titlemessage_initial_first_default.auto_delay =
11581     title_initial_first_default.auto_delay;
11582   titlemessage_initial_first_default.auto_delay_unit =
11583     title_initial_first_default.auto_delay_unit;
11584   titlemessage_first_default.fade_mode  = title_first_default.fade_mode;
11585   titlemessage_first_default.fade_delay = title_first_default.fade_delay;
11586   titlemessage_first_default.post_delay = title_first_default.post_delay;
11587   titlemessage_first_default.auto_delay = title_first_default.auto_delay;
11588   titlemessage_first_default.auto_delay_unit =
11589     title_first_default.auto_delay_unit;
11590
11591   titlescreen_initial_default.fade_mode  = title_initial_default.fade_mode;
11592   titlescreen_initial_default.fade_delay = title_initial_default.fade_delay;
11593   titlescreen_initial_default.post_delay = title_initial_default.post_delay;
11594   titlescreen_initial_default.auto_delay = title_initial_default.auto_delay;
11595   titlescreen_initial_default.auto_delay_unit =
11596     title_initial_default.auto_delay_unit;
11597   titlescreen_default.fade_mode  = title_default.fade_mode;
11598   titlescreen_default.fade_delay = title_default.fade_delay;
11599   titlescreen_default.post_delay = title_default.post_delay;
11600   titlescreen_default.auto_delay = title_default.auto_delay;
11601   titlescreen_default.auto_delay_unit = title_default.auto_delay_unit;
11602   titlemessage_initial_default.fade_mode  = title_initial_default.fade_mode;
11603   titlemessage_initial_default.fade_delay = title_initial_default.fade_delay;
11604   titlemessage_initial_default.post_delay = title_initial_default.post_delay;
11605   titlemessage_initial_default.auto_delay_unit =
11606     title_initial_default.auto_delay_unit;
11607   titlemessage_default.fade_mode  = title_default.fade_mode;
11608   titlemessage_default.fade_delay = title_default.fade_delay;
11609   titlemessage_default.post_delay = title_default.post_delay;
11610   titlemessage_default.auto_delay = title_default.auto_delay;
11611   titlemessage_default.auto_delay_unit = title_default.auto_delay_unit;
11612
11613   // special case: initialize "ARG_DEFAULT" values in static default config
11614   // (e.g., init "titlemessage_1.fade_mode" from "[titlemessage].fade_mode")
11615   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
11616   {
11617     titlescreen_initial_first[i] = titlescreen_initial_first_default;
11618     titlescreen_first[i] = titlescreen_first_default;
11619     titlemessage_initial_first[i] = titlemessage_initial_first_default;
11620     titlemessage_first[i] = titlemessage_first_default;
11621
11622     titlescreen_initial[i] = titlescreen_initial_default;
11623     titlescreen[i] = titlescreen_default;
11624     titlemessage_initial[i] = titlemessage_initial_default;
11625     titlemessage[i] = titlemessage_default;
11626   }
11627
11628   // special case: initialize "ARG_DEFAULT" values in static default config
11629   // (eg, init "menu.enter_screen.SCORES.xyz" from "menu.enter_screen.xyz")
11630   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11631   {
11632     if (i == GFX_SPECIAL_ARG_TITLE)     // title values already initialized
11633       continue;
11634
11635     menu.enter_screen[i] = menu.enter_screen[GFX_SPECIAL_ARG_DEFAULT];
11636     menu.leave_screen[i] = menu.leave_screen[GFX_SPECIAL_ARG_DEFAULT];
11637     menu.next_screen[i]  = menu.next_screen[GFX_SPECIAL_ARG_DEFAULT];
11638   }
11639
11640   // special case: initialize "ARG_DEFAULT" values in static default config
11641   // (eg, init "viewport.door_1.MAIN.xyz" from "viewport.door_1.xyz")
11642   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11643   {
11644     viewport.window[i]    = viewport.window[GFX_SPECIAL_ARG_DEFAULT];
11645     viewport.playfield[i] = viewport.playfield[GFX_SPECIAL_ARG_DEFAULT];
11646     viewport.door_1[i]    = viewport.door_1[GFX_SPECIAL_ARG_DEFAULT];
11647
11648     if (i == GFX_SPECIAL_ARG_EDITOR)    // editor values already initialized
11649       continue;
11650
11651     viewport.door_2[i] = viewport.door_2[GFX_SPECIAL_ARG_DEFAULT];
11652   }
11653 }
11654
11655 static void InitMenuDesignSettings_SpecialPostProcessing(void)
11656 {
11657   static struct
11658   {
11659     struct XY *dst, *src;
11660   }
11661   game_buttons_xy[] =
11662   {
11663     { &game.button.save,        &game.button.stop       },
11664     { &game.button.pause2,      &game.button.pause      },
11665     { &game.button.load,        &game.button.play       },
11666     { &game.button.undo,        &game.button.stop       },
11667     { &game.button.redo,        &game.button.play       },
11668
11669     { NULL,                     NULL                    }
11670   };
11671   int i, j;
11672
11673   // special case: initialize later added SETUP list size from LEVELS value
11674   if (menu.list_size[GAME_MODE_SETUP] == -1)
11675     menu.list_size[GAME_MODE_SETUP] = menu.list_size[GAME_MODE_LEVELS];
11676
11677   // set default position for snapshot buttons to stop/pause/play buttons
11678   for (i = 0; game_buttons_xy[i].dst != NULL; i++)
11679     if ((*game_buttons_xy[i].dst).x == -1 &&
11680         (*game_buttons_xy[i].dst).y == -1)
11681       *game_buttons_xy[i].dst = *game_buttons_xy[i].src;
11682
11683   // --------------------------------------------------------------------------
11684   // dynamic viewports (including playfield margins, borders and alignments)
11685   // --------------------------------------------------------------------------
11686
11687   // dynamic viewports currently only supported for landscape mode
11688   int display_width  = MAX(video.display_width, video.display_height);
11689   int display_height = MIN(video.display_width, video.display_height);
11690
11691   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11692   {
11693     struct RectWithBorder *vp_window    = &viewport.window[i];
11694     struct RectWithBorder *vp_playfield = &viewport.playfield[i];
11695     struct RectWithBorder *vp_door_1    = &viewport.door_1[i];
11696     struct RectWithBorder *vp_door_2    = &viewport.door_2[i];
11697     boolean dynamic_window_width     = (vp_window->min_width     != -1);
11698     boolean dynamic_window_height    = (vp_window->min_height    != -1);
11699     boolean dynamic_playfield_width  = (vp_playfield->min_width  != -1);
11700     boolean dynamic_playfield_height = (vp_playfield->min_height != -1);
11701
11702     // adjust window size if min/max width/height is specified
11703
11704     if (vp_window->min_width != -1)
11705     {
11706       int window_width = display_width;
11707
11708       // when using static window height, use aspect ratio of display
11709       if (vp_window->min_height == -1)
11710         window_width = vp_window->height * display_width / display_height;
11711
11712       vp_window->width = MAX(vp_window->min_width, window_width);
11713     }
11714
11715     if (vp_window->min_height != -1)
11716     {
11717       int window_height = display_height;
11718
11719       // when using static window width, use aspect ratio of display
11720       if (vp_window->min_width == -1)
11721         window_height = vp_window->width * display_height / display_width;
11722
11723       vp_window->height = MAX(vp_window->min_height, window_height);
11724     }
11725
11726     if (vp_window->max_width != -1)
11727       vp_window->width = MIN(vp_window->width, vp_window->max_width);
11728
11729     if (vp_window->max_height != -1)
11730       vp_window->height = MIN(vp_window->height, vp_window->max_height);
11731
11732     int playfield_width  = vp_window->width;
11733     int playfield_height = vp_window->height;
11734
11735     // adjust playfield size and position according to specified margins
11736
11737     playfield_width  -= vp_playfield->margin_left;
11738     playfield_width  -= vp_playfield->margin_right;
11739
11740     playfield_height -= vp_playfield->margin_top;
11741     playfield_height -= vp_playfield->margin_bottom;
11742
11743     // adjust playfield size if min/max width/height is specified
11744
11745     if (vp_playfield->min_width != -1)
11746       vp_playfield->width = MAX(vp_playfield->min_width, playfield_width);
11747
11748     if (vp_playfield->min_height != -1)
11749       vp_playfield->height = MAX(vp_playfield->min_height, playfield_height);
11750
11751     if (vp_playfield->max_width != -1)
11752       vp_playfield->width = MIN(vp_playfield->width, vp_playfield->max_width);
11753
11754     if (vp_playfield->max_height != -1)
11755       vp_playfield->height = MIN(vp_playfield->height,vp_playfield->max_height);
11756
11757     // adjust playfield position according to specified alignment
11758
11759     if (vp_playfield->align == ALIGN_LEFT || vp_playfield->x > 0)
11760       vp_playfield->x = ALIGNED_VP_XPOS(vp_playfield);
11761     else if (vp_playfield->align == ALIGN_CENTER)
11762       vp_playfield->x = playfield_width / 2 - vp_playfield->width / 2;
11763     else if (vp_playfield->align == ALIGN_RIGHT)
11764       vp_playfield->x += playfield_width - vp_playfield->width;
11765
11766     if (vp_playfield->valign == VALIGN_TOP || vp_playfield->y > 0)
11767       vp_playfield->y = ALIGNED_VP_YPOS(vp_playfield);
11768     else if (vp_playfield->valign == VALIGN_MIDDLE)
11769       vp_playfield->y = playfield_height / 2 - vp_playfield->height / 2;
11770     else if (vp_playfield->valign == VALIGN_BOTTOM)
11771       vp_playfield->y += playfield_height - vp_playfield->height;
11772
11773     vp_playfield->x += vp_playfield->margin_left;
11774     vp_playfield->y += vp_playfield->margin_top;
11775
11776     // adjust individual playfield borders if only default border is specified
11777
11778     if (vp_playfield->border_left == -1)
11779       vp_playfield->border_left = vp_playfield->border_size;
11780     if (vp_playfield->border_right == -1)
11781       vp_playfield->border_right = vp_playfield->border_size;
11782     if (vp_playfield->border_top == -1)
11783       vp_playfield->border_top = vp_playfield->border_size;
11784     if (vp_playfield->border_bottom == -1)
11785       vp_playfield->border_bottom = vp_playfield->border_size;
11786
11787     // set dynamic playfield borders if borders are specified as undefined
11788     // (but only if window size was dynamic and playfield size was static)
11789
11790     if (dynamic_window_width && !dynamic_playfield_width)
11791     {
11792       if (vp_playfield->border_left == -1)
11793       {
11794         vp_playfield->border_left = (vp_playfield->x -
11795                                      vp_playfield->margin_left);
11796         vp_playfield->x     -= vp_playfield->border_left;
11797         vp_playfield->width += vp_playfield->border_left;
11798       }
11799
11800       if (vp_playfield->border_right == -1)
11801       {
11802         vp_playfield->border_right = (vp_window->width -
11803                                       vp_playfield->x -
11804                                       vp_playfield->width -
11805                                       vp_playfield->margin_right);
11806         vp_playfield->width += vp_playfield->border_right;
11807       }
11808     }
11809
11810     if (dynamic_window_height && !dynamic_playfield_height)
11811     {
11812       if (vp_playfield->border_top == -1)
11813       {
11814         vp_playfield->border_top = (vp_playfield->y -
11815                                     vp_playfield->margin_top);
11816         vp_playfield->y      -= vp_playfield->border_top;
11817         vp_playfield->height += vp_playfield->border_top;
11818       }
11819
11820       if (vp_playfield->border_bottom == -1)
11821       {
11822         vp_playfield->border_bottom = (vp_window->height -
11823                                        vp_playfield->y -
11824                                        vp_playfield->height -
11825                                        vp_playfield->margin_bottom);
11826         vp_playfield->height += vp_playfield->border_bottom;
11827       }
11828     }
11829
11830     // adjust playfield size to be a multiple of a defined alignment tile size
11831
11832     int align_size = vp_playfield->align_size;
11833     int playfield_xtiles = vp_playfield->width  / align_size;
11834     int playfield_ytiles = vp_playfield->height / align_size;
11835     int playfield_width_corrected  = playfield_xtiles * align_size;
11836     int playfield_height_corrected = playfield_ytiles * align_size;
11837     boolean is_playfield_mode = (i == GFX_SPECIAL_ARG_PLAYING ||
11838                                  i == GFX_SPECIAL_ARG_EDITOR);
11839
11840     if (is_playfield_mode &&
11841         dynamic_playfield_width &&
11842         vp_playfield->width != playfield_width_corrected)
11843     {
11844       int playfield_xdiff = vp_playfield->width - playfield_width_corrected;
11845
11846       vp_playfield->width = playfield_width_corrected;
11847
11848       if (vp_playfield->align == ALIGN_LEFT)
11849       {
11850         vp_playfield->border_left += playfield_xdiff;
11851       }
11852       else if (vp_playfield->align == ALIGN_RIGHT)
11853       {
11854         vp_playfield->border_right += playfield_xdiff;
11855       }
11856       else if (vp_playfield->align == ALIGN_CENTER)
11857       {
11858         int border_left_diff  = playfield_xdiff / 2;
11859         int border_right_diff = playfield_xdiff - border_left_diff;
11860
11861         vp_playfield->border_left  += border_left_diff;
11862         vp_playfield->border_right += border_right_diff;
11863       }
11864     }
11865
11866     if (is_playfield_mode &&
11867         dynamic_playfield_height &&
11868         vp_playfield->height != playfield_height_corrected)
11869     {
11870       int playfield_ydiff = vp_playfield->height - playfield_height_corrected;
11871
11872       vp_playfield->height = playfield_height_corrected;
11873
11874       if (vp_playfield->valign == VALIGN_TOP)
11875       {
11876         vp_playfield->border_top += playfield_ydiff;
11877       }
11878       else if (vp_playfield->align == VALIGN_BOTTOM)
11879       {
11880         vp_playfield->border_right += playfield_ydiff;
11881       }
11882       else if (vp_playfield->align == VALIGN_MIDDLE)
11883       {
11884         int border_top_diff    = playfield_ydiff / 2;
11885         int border_bottom_diff = playfield_ydiff - border_top_diff;
11886
11887         vp_playfield->border_top    += border_top_diff;
11888         vp_playfield->border_bottom += border_bottom_diff;
11889       }
11890     }
11891
11892     // adjust door positions according to specified alignment
11893
11894     for (j = 0; j < 2; j++)
11895     {
11896       struct RectWithBorder *vp_door = (j == 0 ? vp_door_1 : vp_door_2);
11897
11898       if (vp_door->align == ALIGN_LEFT || vp_door->x > 0)
11899         vp_door->x = ALIGNED_VP_XPOS(vp_door);
11900       else if (vp_door->align == ALIGN_CENTER)
11901         vp_door->x = vp_window->width / 2 - vp_door->width / 2;
11902       else if (vp_door->align == ALIGN_RIGHT)
11903         vp_door->x += vp_window->width - vp_door->width;
11904
11905       if (vp_door->valign == VALIGN_TOP || vp_door->y > 0)
11906         vp_door->y = ALIGNED_VP_YPOS(vp_door);
11907       else if (vp_door->valign == VALIGN_MIDDLE)
11908         vp_door->y = vp_window->height / 2 - vp_door->height / 2;
11909       else if (vp_door->valign == VALIGN_BOTTOM)
11910         vp_door->y += vp_window->height - vp_door->height;
11911     }
11912   }
11913 }
11914
11915 static void InitMenuDesignSettings_SpecialPostProcessing_AfterGraphics(void)
11916 {
11917   static struct
11918   {
11919     struct XYTileSize *dst, *src;
11920     int graphic;
11921   }
11922   editor_buttons_xy[] =
11923   {
11924     {
11925       &editor.button.element_left,      &editor.palette.element_left,
11926       IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT
11927     },
11928     {
11929       &editor.button.element_middle,    &editor.palette.element_middle,
11930       IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE
11931     },
11932     {
11933       &editor.button.element_right,     &editor.palette.element_right,
11934       IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT
11935     },
11936
11937     { NULL,                     NULL                    }
11938   };
11939   int i;
11940
11941   // set default position for element buttons to element graphics
11942   for (i = 0; editor_buttons_xy[i].dst != NULL; i++)
11943   {
11944     if ((*editor_buttons_xy[i].dst).x == -1 &&
11945         (*editor_buttons_xy[i].dst).y == -1)
11946     {
11947       struct GraphicInfo *gd = &graphic_info[editor_buttons_xy[i].graphic];
11948
11949       gd->width = gd->height = editor_buttons_xy[i].src->tile_size;
11950
11951       *editor_buttons_xy[i].dst = *editor_buttons_xy[i].src;
11952     }
11953   }
11954
11955   // adjust editor palette rows and columns if specified to be dynamic
11956
11957   if (editor.palette.cols == -1)
11958   {
11959     int vp_width = viewport.playfield[GFX_SPECIAL_ARG_EDITOR].width;
11960     int bt_width = graphic_info[IMG_EDITOR_PALETTE_BUTTON].width;
11961     int sc_width = graphic_info[IMG_EDITOR_PALETTE_SCROLLBAR].width;
11962
11963     editor.palette.cols = (vp_width - sc_width) / bt_width;
11964
11965     if (editor.palette.x == -1)
11966     {
11967       int palette_width = editor.palette.cols * bt_width + sc_width;
11968
11969       editor.palette.x = (vp_width - palette_width) / 2;
11970     }
11971   }
11972
11973   if (editor.palette.rows == -1)
11974   {
11975     int vp_height = viewport.playfield[GFX_SPECIAL_ARG_EDITOR].height;
11976     int bt_height = graphic_info[IMG_EDITOR_PALETTE_BUTTON].height;
11977     int tx_height = getFontHeight(FONT_TEXT_2);
11978
11979     editor.palette.rows = (vp_height - tx_height) / bt_height;
11980
11981     if (editor.palette.y == -1)
11982     {
11983       int palette_height = editor.palette.rows * bt_height + tx_height;
11984
11985       editor.palette.y = (vp_height - palette_height) / 2;
11986     }
11987   }
11988 }
11989
11990 static void LoadMenuDesignSettingsFromFilename(char *filename)
11991 {
11992   static struct TitleFadingInfo tfi;
11993   static struct TitleMessageInfo tmi;
11994   static struct TokenInfo title_tokens[] =
11995   {
11996     { TYPE_INTEGER,     &tfi.fade_mode,         ".fade_mode"            },
11997     { TYPE_INTEGER,     &tfi.fade_delay,        ".fade_delay"           },
11998     { TYPE_INTEGER,     &tfi.post_delay,        ".post_delay"           },
11999     { TYPE_INTEGER,     &tfi.auto_delay,        ".auto_delay"           },
12000     { TYPE_INTEGER,     &tfi.auto_delay_unit,   ".auto_delay_unit"      },
12001
12002     { -1,               NULL,                   NULL                    }
12003   };
12004   static struct TokenInfo titlemessage_tokens[] =
12005   {
12006     { TYPE_INTEGER,     &tmi.x,                 ".x"                    },
12007     { TYPE_INTEGER,     &tmi.y,                 ".y"                    },
12008     { TYPE_INTEGER,     &tmi.width,             ".width"                },
12009     { TYPE_INTEGER,     &tmi.height,            ".height"               },
12010     { TYPE_INTEGER,     &tmi.chars,             ".chars"                },
12011     { TYPE_INTEGER,     &tmi.lines,             ".lines"                },
12012     { TYPE_INTEGER,     &tmi.align,             ".align"                },
12013     { TYPE_INTEGER,     &tmi.valign,            ".valign"               },
12014     { TYPE_INTEGER,     &tmi.font,              ".font"                 },
12015     { TYPE_BOOLEAN,     &tmi.autowrap,          ".autowrap"             },
12016     { TYPE_BOOLEAN,     &tmi.centered,          ".centered"             },
12017     { TYPE_BOOLEAN,     &tmi.parse_comments,    ".parse_comments"       },
12018     { TYPE_INTEGER,     &tmi.sort_priority,     ".sort_priority"        },
12019     { TYPE_INTEGER,     &tmi.fade_mode,         ".fade_mode"            },
12020     { TYPE_INTEGER,     &tmi.fade_delay,        ".fade_delay"           },
12021     { TYPE_INTEGER,     &tmi.post_delay,        ".post_delay"           },
12022     { TYPE_INTEGER,     &tmi.auto_delay,        ".auto_delay"           },
12023     { TYPE_INTEGER,     &tmi.auto_delay_unit,   ".auto_delay_unit"      },
12024
12025     { -1,               NULL,                   NULL                    }
12026   };
12027   static struct
12028   {
12029     struct TitleFadingInfo *info;
12030     char *text;
12031   }
12032   title_info[] =
12033   {
12034     // initialize first titles from "enter screen" definitions, if defined
12035     { &title_initial_first_default,     "menu.enter_screen.TITLE"       },
12036     { &title_first_default,             "menu.enter_screen.TITLE"       },
12037
12038     // initialize title screens from "next screen" definitions, if defined
12039     { &title_initial_default,           "menu.next_screen.TITLE"        },
12040     { &title_default,                   "menu.next_screen.TITLE"        },
12041
12042     { NULL,                             NULL                            }
12043   };
12044   static struct
12045   {
12046     struct TitleMessageInfo *array;
12047     char *text;
12048   }
12049   titlemessage_arrays[] =
12050   {
12051     // initialize first titles from "enter screen" definitions, if defined
12052     { titlescreen_initial_first,        "menu.enter_screen.TITLE"       },
12053     { titlescreen_first,                "menu.enter_screen.TITLE"       },
12054     { titlemessage_initial_first,       "menu.enter_screen.TITLE"       },
12055     { titlemessage_first,               "menu.enter_screen.TITLE"       },
12056
12057     // initialize titles from "next screen" definitions, if defined
12058     { titlescreen_initial,              "menu.next_screen.TITLE"        },
12059     { titlescreen,                      "menu.next_screen.TITLE"        },
12060     { titlemessage_initial,             "menu.next_screen.TITLE"        },
12061     { titlemessage,                     "menu.next_screen.TITLE"        },
12062
12063     // overwrite titles with title definitions, if defined
12064     { titlescreen_initial_first,        "[title_initial]"               },
12065     { titlescreen_first,                "[title]"                       },
12066     { titlemessage_initial_first,       "[title_initial]"               },
12067     { titlemessage_first,               "[title]"                       },
12068
12069     { titlescreen_initial,              "[title_initial]"               },
12070     { titlescreen,                      "[title]"                       },
12071     { titlemessage_initial,             "[title_initial]"               },
12072     { titlemessage,                     "[title]"                       },
12073
12074     // overwrite titles with title screen/message definitions, if defined
12075     { titlescreen_initial_first,        "[titlescreen_initial]"         },
12076     { titlescreen_first,                "[titlescreen]"                 },
12077     { titlemessage_initial_first,       "[titlemessage_initial]"        },
12078     { titlemessage_first,               "[titlemessage]"                },
12079
12080     { titlescreen_initial,              "[titlescreen_initial]"         },
12081     { titlescreen,                      "[titlescreen]"                 },
12082     { titlemessage_initial,             "[titlemessage_initial]"        },
12083     { titlemessage,                     "[titlemessage]"                },
12084
12085     { NULL,                             NULL                            }
12086   };
12087   SetupFileHash *setup_file_hash;
12088   int i, j, k;
12089
12090   if ((setup_file_hash = loadSetupFileHash(filename)) == NULL)
12091     return;
12092
12093   // the following initializes hierarchical values from dynamic configuration
12094
12095   // special case: initialize with default values that may be overwritten
12096   // (e.g., init "menu.draw_xoffset.INFO" from "menu.draw_xoffset")
12097   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
12098   {
12099     struct TokenIntPtrInfo menu_config[] =
12100     {
12101       { "menu.draw_xoffset",    &menu.draw_xoffset[i]   },
12102       { "menu.draw_yoffset",    &menu.draw_yoffset[i]   },
12103       { "menu.list_size",       &menu.list_size[i]      }
12104     };
12105
12106     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
12107     {
12108       char *token = menu_config[j].token;
12109       char *value = getHashEntry(setup_file_hash, token);
12110
12111       if (value != NULL)
12112         *menu_config[j].value = get_integer_from_string(value);
12113     }
12114   }
12115
12116   // special case: initialize with default values that may be overwritten
12117   // (eg, init "menu.draw_xoffset.INFO[XXX]" from "menu.draw_xoffset.INFO")
12118   for (i = 0; i < NUM_SPECIAL_GFX_INFO_ARGS; i++)
12119   {
12120     struct TokenIntPtrInfo menu_config[] =
12121     {
12122       { "menu.draw_xoffset.INFO",       &menu.draw_xoffset_info[i]      },
12123       { "menu.draw_yoffset.INFO",       &menu.draw_yoffset_info[i]      },
12124       { "menu.list_size.INFO",          &menu.list_size_info[i]         }
12125     };
12126
12127     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
12128     {
12129       char *token = menu_config[j].token;
12130       char *value = getHashEntry(setup_file_hash, token);
12131
12132       if (value != NULL)
12133         *menu_config[j].value = get_integer_from_string(value);
12134     }
12135   }
12136
12137   // special case: initialize with default values that may be overwritten
12138   // (eg, init "menu.draw_xoffset.SETUP[XXX]" from "menu.draw_xoffset.SETUP")
12139   for (i = 0; i < NUM_SPECIAL_GFX_SETUP_ARGS; i++)
12140   {
12141     struct TokenIntPtrInfo menu_config[] =
12142     {
12143       { "menu.draw_xoffset.SETUP",      &menu.draw_xoffset_setup[i]     },
12144       { "menu.draw_yoffset.SETUP",      &menu.draw_yoffset_setup[i]     }
12145     };
12146
12147     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
12148     {
12149       char *token = menu_config[j].token;
12150       char *value = getHashEntry(setup_file_hash, token);
12151
12152       if (value != NULL)
12153         *menu_config[j].value = get_integer_from_string(value);
12154     }
12155   }
12156
12157   // special case: initialize with default values that may be overwritten
12158   // (eg, init "menu.line_spacing.INFO[XXX]" from "menu.line_spacing.INFO")
12159   for (i = 0; i < NUM_SPECIAL_GFX_INFO_ARGS; i++)
12160   {
12161     struct TokenIntPtrInfo menu_config[] =
12162     {
12163       { "menu.left_spacing.INFO",       &menu.left_spacing_info[i]      },
12164       { "menu.right_spacing.INFO",      &menu.right_spacing_info[i]     },
12165       { "menu.top_spacing.INFO",        &menu.top_spacing_info[i]       },
12166       { "menu.bottom_spacing.INFO",     &menu.bottom_spacing_info[i]    },
12167       { "menu.paragraph_spacing.INFO",  &menu.paragraph_spacing_info[i] },
12168       { "menu.headline1_spacing.INFO",  &menu.headline1_spacing_info[i] },
12169       { "menu.headline2_spacing.INFO",  &menu.headline2_spacing_info[i] },
12170       { "menu.line_spacing.INFO",       &menu.line_spacing_info[i]      },
12171       { "menu.extra_spacing.INFO",      &menu.extra_spacing_info[i]     },
12172     };
12173
12174     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
12175     {
12176       char *token = menu_config[j].token;
12177       char *value = getHashEntry(setup_file_hash, token);
12178
12179       if (value != NULL)
12180         *menu_config[j].value = get_integer_from_string(value);
12181     }
12182   }
12183
12184   // special case: initialize with default values that may be overwritten
12185   // (eg, init "menu.enter_screen.SCORES.xyz" from "menu.enter_screen.xyz")
12186   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
12187   {
12188     struct TokenIntPtrInfo menu_config[] =
12189     {
12190       { "menu.enter_screen.fade_mode",  &menu.enter_screen[i].fade_mode  },
12191       { "menu.enter_screen.fade_delay", &menu.enter_screen[i].fade_delay },
12192       { "menu.enter_screen.post_delay", &menu.enter_screen[i].post_delay },
12193       { "menu.leave_screen.fade_mode",  &menu.leave_screen[i].fade_mode  },
12194       { "menu.leave_screen.fade_delay", &menu.leave_screen[i].fade_delay },
12195       { "menu.leave_screen.post_delay", &menu.leave_screen[i].post_delay },
12196       { "menu.next_screen.fade_mode",   &menu.next_screen[i].fade_mode   },
12197       { "menu.next_screen.fade_delay",  &menu.next_screen[i].fade_delay  },
12198       { "menu.next_screen.post_delay",  &menu.next_screen[i].post_delay  }
12199     };
12200
12201     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
12202     {
12203       char *token = menu_config[j].token;
12204       char *value = getHashEntry(setup_file_hash, token);
12205
12206       if (value != NULL)
12207         *menu_config[j].value = get_token_parameter_value(token, value);
12208     }
12209   }
12210
12211   // special case: initialize with default values that may be overwritten
12212   // (eg, init "viewport.door_1.MAIN.xyz" from "viewport.door_1.xyz")
12213   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
12214   {
12215     struct
12216     {
12217       char *token_prefix;
12218       struct RectWithBorder *struct_ptr;
12219     }
12220     vp_struct[] =
12221     {
12222       { "viewport.window",      &viewport.window[i]     },
12223       { "viewport.playfield",   &viewport.playfield[i]  },
12224       { "viewport.door_1",      &viewport.door_1[i]     },
12225       { "viewport.door_2",      &viewport.door_2[i]     }
12226     };
12227
12228     for (j = 0; j < ARRAY_SIZE(vp_struct); j++)
12229     {
12230       struct TokenIntPtrInfo vp_config[] =
12231       {
12232         { ".x",                 &vp_struct[j].struct_ptr->x             },
12233         { ".y",                 &vp_struct[j].struct_ptr->y             },
12234         { ".width",             &vp_struct[j].struct_ptr->width         },
12235         { ".height",            &vp_struct[j].struct_ptr->height        },
12236         { ".min_width",         &vp_struct[j].struct_ptr->min_width     },
12237         { ".min_height",        &vp_struct[j].struct_ptr->min_height    },
12238         { ".max_width",         &vp_struct[j].struct_ptr->max_width     },
12239         { ".max_height",        &vp_struct[j].struct_ptr->max_height    },
12240         { ".margin_left",       &vp_struct[j].struct_ptr->margin_left   },
12241         { ".margin_right",      &vp_struct[j].struct_ptr->margin_right  },
12242         { ".margin_top",        &vp_struct[j].struct_ptr->margin_top    },
12243         { ".margin_bottom",     &vp_struct[j].struct_ptr->margin_bottom },
12244         { ".border_left",       &vp_struct[j].struct_ptr->border_left   },
12245         { ".border_right",      &vp_struct[j].struct_ptr->border_right  },
12246         { ".border_top",        &vp_struct[j].struct_ptr->border_top    },
12247         { ".border_bottom",     &vp_struct[j].struct_ptr->border_bottom },
12248         { ".border_size",       &vp_struct[j].struct_ptr->border_size   },
12249         { ".align_size",        &vp_struct[j].struct_ptr->align_size    },
12250         { ".align",             &vp_struct[j].struct_ptr->align         },
12251         { ".valign",            &vp_struct[j].struct_ptr->valign        }
12252       };
12253
12254       for (k = 0; k < ARRAY_SIZE(vp_config); k++)
12255       {
12256         char *token = getStringCat2(vp_struct[j].token_prefix,
12257                                     vp_config[k].token);
12258         char *value = getHashEntry(setup_file_hash, token);
12259
12260         if (value != NULL)
12261           *vp_config[k].value = get_token_parameter_value(token, value);
12262
12263         free(token);
12264       }
12265     }
12266   }
12267
12268   // special case: initialize with default values that may be overwritten
12269   // (e.g., init "[title].fade_mode" from "menu.next_screen.TITLE.fade_mode")
12270   for (i = 0; title_info[i].info != NULL; i++)
12271   {
12272     struct TitleFadingInfo *info = title_info[i].info;
12273     char *base_token = title_info[i].text;
12274
12275     for (j = 0; title_tokens[j].type != -1; j++)
12276     {
12277       char *token = getStringCat2(base_token, title_tokens[j].text);
12278       char *value = getHashEntry(setup_file_hash, token);
12279
12280       if (value != NULL)
12281       {
12282         int parameter_value = get_token_parameter_value(token, value);
12283
12284         tfi = *info;
12285
12286         *(int *)title_tokens[j].value = (int)parameter_value;
12287
12288         *info = tfi;
12289       }
12290
12291       free(token);
12292     }
12293   }
12294
12295   // special case: initialize with default values that may be overwritten
12296   // (e.g., init "titlemessage_1.fade_mode" from "[titlemessage].fade_mode")
12297   for (i = 0; titlemessage_arrays[i].array != NULL; i++)
12298   {
12299     struct TitleMessageInfo *array = titlemessage_arrays[i].array;
12300     char *base_token = titlemessage_arrays[i].text;
12301
12302     for (j = 0; titlemessage_tokens[j].type != -1; j++)
12303     {
12304       char *token = getStringCat2(base_token, titlemessage_tokens[j].text);
12305       char *value = getHashEntry(setup_file_hash, token);
12306
12307       if (value != NULL)
12308       {
12309         int parameter_value = get_token_parameter_value(token, value);
12310
12311         for (k = 0; k < MAX_NUM_TITLE_MESSAGES; k++)
12312         {
12313           tmi = array[k];
12314
12315           if (titlemessage_tokens[j].type == TYPE_INTEGER)
12316             *(int     *)titlemessage_tokens[j].value = (int)parameter_value;
12317           else
12318             *(boolean *)titlemessage_tokens[j].value = (boolean)parameter_value;
12319
12320           array[k] = tmi;
12321         }
12322       }
12323
12324       free(token);
12325     }
12326   }
12327
12328   // special case: check if network and preview player positions are redefined,
12329   // to compare this later against the main menu level preview being redefined
12330   struct TokenIntPtrInfo menu_config_players[] =
12331   {
12332     { "main.network_players.x", &menu.main.network_players.redefined    },
12333     { "main.network_players.y", &menu.main.network_players.redefined    },
12334     { "main.preview_players.x", &menu.main.preview_players.redefined    },
12335     { "main.preview_players.y", &menu.main.preview_players.redefined    },
12336     { "preview.x",              &preview.redefined                      },
12337     { "preview.y",              &preview.redefined                      }
12338   };
12339
12340   for (i = 0; i < ARRAY_SIZE(menu_config_players); i++)
12341     *menu_config_players[i].value = FALSE;
12342
12343   for (i = 0; i < ARRAY_SIZE(menu_config_players); i++)
12344     if (getHashEntry(setup_file_hash, menu_config_players[i].token) != NULL)
12345       *menu_config_players[i].value = TRUE;
12346
12347   // read (and overwrite with) values that may be specified in config file
12348   for (i = 0; image_config_vars[i].token != NULL; i++)
12349   {
12350     char *value = getHashEntry(setup_file_hash, image_config_vars[i].token);
12351
12352     // (ignore definitions set to "[DEFAULT]" which are already initialized)
12353     if (value != NULL && !strEqual(value, ARG_DEFAULT))
12354       *image_config_vars[i].value =
12355         get_token_parameter_value(image_config_vars[i].token, value);
12356   }
12357
12358   freeSetupFileHash(setup_file_hash);
12359 }
12360
12361 void LoadMenuDesignSettings(void)
12362 {
12363   char *filename_base = UNDEFINED_FILENAME, *filename_local;
12364
12365   InitMenuDesignSettings_Static();
12366   InitMenuDesignSettings_SpecialPreProcessing();
12367
12368   if (!GFX_OVERRIDE_ARTWORK(ARTWORK_TYPE_GRAPHICS))
12369   {
12370     // first look for special settings configured in level series config
12371     filename_base = getCustomArtworkLevelConfigFilename(ARTWORK_TYPE_GRAPHICS);
12372
12373     if (fileExists(filename_base))
12374       LoadMenuDesignSettingsFromFilename(filename_base);
12375   }
12376
12377   filename_local = getCustomArtworkConfigFilename(ARTWORK_TYPE_GRAPHICS);
12378
12379   if (filename_local != NULL && !strEqual(filename_base, filename_local))
12380     LoadMenuDesignSettingsFromFilename(filename_local);
12381
12382   InitMenuDesignSettings_SpecialPostProcessing();
12383 }
12384
12385 void LoadMenuDesignSettings_AfterGraphics(void)
12386 {
12387   InitMenuDesignSettings_SpecialPostProcessing_AfterGraphics();
12388 }
12389
12390 void LoadUserDefinedEditorElementList(int **elements, int *num_elements)
12391 {
12392   char *filename = getEditorSetupFilename();
12393   SetupFileList *setup_file_list, *list;
12394   SetupFileHash *element_hash;
12395   int num_unknown_tokens = 0;
12396   int i;
12397
12398   if ((setup_file_list = loadSetupFileList(filename)) == NULL)
12399     return;
12400
12401   element_hash = newSetupFileHash();
12402
12403   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
12404     setHashEntry(element_hash, element_info[i].token_name, i_to_a(i));
12405
12406   // determined size may be larger than needed (due to unknown elements)
12407   *num_elements = 0;
12408   for (list = setup_file_list; list != NULL; list = list->next)
12409     (*num_elements)++;
12410
12411   // add space for up to 3 more elements for padding that may be needed
12412   *num_elements += 3;
12413
12414   // free memory for old list of elements, if needed
12415   checked_free(*elements);
12416
12417   // allocate memory for new list of elements
12418   *elements = checked_malloc(*num_elements * sizeof(int));
12419
12420   *num_elements = 0;
12421   for (list = setup_file_list; list != NULL; list = list->next)
12422   {
12423     char *value = getHashEntry(element_hash, list->token);
12424
12425     if (value == NULL)          // try to find obsolete token mapping
12426     {
12427       char *mapped_token = get_mapped_token(list->token);
12428
12429       if (mapped_token != NULL)
12430       {
12431         value = getHashEntry(element_hash, mapped_token);
12432
12433         free(mapped_token);
12434       }
12435     }
12436
12437     if (value != NULL)
12438     {
12439       (*elements)[(*num_elements)++] = atoi(value);
12440     }
12441     else
12442     {
12443       if (num_unknown_tokens == 0)
12444       {
12445         Warn("---");
12446         Warn("unknown token(s) found in config file:");
12447         Warn("- config file: '%s'", filename);
12448
12449         num_unknown_tokens++;
12450       }
12451
12452       Warn("- token: '%s'", list->token);
12453     }
12454   }
12455
12456   if (num_unknown_tokens > 0)
12457     Warn("---");
12458
12459   while (*num_elements % 4)     // pad with empty elements, if needed
12460     (*elements)[(*num_elements)++] = EL_EMPTY;
12461
12462   freeSetupFileList(setup_file_list);
12463   freeSetupFileHash(element_hash);
12464
12465 #if 0
12466   for (i = 0; i < *num_elements; i++)
12467     Debug("editor", "element '%s' [%d]\n",
12468           element_info[(*elements)[i]].token_name, (*elements)[i]);
12469 #endif
12470 }
12471
12472 static struct MusicFileInfo *get_music_file_info_ext(char *basename, int music,
12473                                                      boolean is_sound)
12474 {
12475   SetupFileHash *setup_file_hash = NULL;
12476   struct MusicFileInfo tmp_music_file_info, *new_music_file_info;
12477   char *filename_music, *filename_prefix, *filename_info;
12478   struct
12479   {
12480     char *token;
12481     char **value_ptr;
12482   }
12483   token_to_value_ptr[] =
12484   {
12485     { "title_header",   &tmp_music_file_info.title_header       },
12486     { "artist_header",  &tmp_music_file_info.artist_header      },
12487     { "album_header",   &tmp_music_file_info.album_header       },
12488     { "year_header",    &tmp_music_file_info.year_header        },
12489
12490     { "title",          &tmp_music_file_info.title              },
12491     { "artist",         &tmp_music_file_info.artist             },
12492     { "album",          &tmp_music_file_info.album              },
12493     { "year",           &tmp_music_file_info.year               },
12494
12495     { NULL,             NULL                                    },
12496   };
12497   int i;
12498
12499   filename_music = (is_sound ? getCustomSoundFilename(basename) :
12500                     getCustomMusicFilename(basename));
12501
12502   if (filename_music == NULL)
12503     return NULL;
12504
12505   // ---------- try to replace file extension ----------
12506
12507   filename_prefix = getStringCopy(filename_music);
12508   if (strrchr(filename_prefix, '.') != NULL)
12509     *strrchr(filename_prefix, '.') = '\0';
12510   filename_info = getStringCat2(filename_prefix, ".txt");
12511
12512   if (fileExists(filename_info))
12513     setup_file_hash = loadSetupFileHash(filename_info);
12514
12515   free(filename_prefix);
12516   free(filename_info);
12517
12518   if (setup_file_hash == NULL)
12519   {
12520     // ---------- try to add file extension ----------
12521
12522     filename_prefix = getStringCopy(filename_music);
12523     filename_info = getStringCat2(filename_prefix, ".txt");
12524
12525     if (fileExists(filename_info))
12526       setup_file_hash = loadSetupFileHash(filename_info);
12527
12528     free(filename_prefix);
12529     free(filename_info);
12530   }
12531
12532   if (setup_file_hash == NULL)
12533     return NULL;
12534
12535   // ---------- music file info found ----------
12536
12537   clear_mem(&tmp_music_file_info, sizeof(struct MusicFileInfo));
12538
12539   for (i = 0; token_to_value_ptr[i].token != NULL; i++)
12540   {
12541     char *value = getHashEntry(setup_file_hash, token_to_value_ptr[i].token);
12542
12543     *token_to_value_ptr[i].value_ptr =
12544       getStringCopy(value != NULL && *value != '\0' ? value : UNKNOWN_NAME);
12545   }
12546
12547   tmp_music_file_info.basename = getStringCopy(basename);
12548   tmp_music_file_info.music = music;
12549   tmp_music_file_info.is_sound = is_sound;
12550
12551   new_music_file_info = checked_malloc(sizeof(struct MusicFileInfo));
12552   *new_music_file_info = tmp_music_file_info;
12553
12554   return new_music_file_info;
12555 }
12556
12557 static struct MusicFileInfo *get_music_file_info(char *basename, int music)
12558 {
12559   return get_music_file_info_ext(basename, music, FALSE);
12560 }
12561
12562 static struct MusicFileInfo *get_sound_file_info(char *basename, int sound)
12563 {
12564   return get_music_file_info_ext(basename, sound, TRUE);
12565 }
12566
12567 static boolean music_info_listed_ext(struct MusicFileInfo *list,
12568                                      char *basename, boolean is_sound)
12569 {
12570   for (; list != NULL; list = list->next)
12571     if (list->is_sound == is_sound && strEqual(list->basename, basename))
12572       return TRUE;
12573
12574   return FALSE;
12575 }
12576
12577 static boolean music_info_listed(struct MusicFileInfo *list, char *basename)
12578 {
12579   return music_info_listed_ext(list, basename, FALSE);
12580 }
12581
12582 static boolean sound_info_listed(struct MusicFileInfo *list, char *basename)
12583 {
12584   return music_info_listed_ext(list, basename, TRUE);
12585 }
12586
12587 void LoadMusicInfo(void)
12588 {
12589   char *music_directory = getCustomMusicDirectory();
12590   int num_music = getMusicListSize();
12591   int num_music_noconf = 0;
12592   int num_sounds = getSoundListSize();
12593   Directory *dir;
12594   DirectoryEntry *dir_entry;
12595   struct FileInfo *music, *sound;
12596   struct MusicFileInfo *next, **new;
12597   int i;
12598
12599   while (music_file_info != NULL)
12600   {
12601     next = music_file_info->next;
12602
12603     checked_free(music_file_info->basename);
12604
12605     checked_free(music_file_info->title_header);
12606     checked_free(music_file_info->artist_header);
12607     checked_free(music_file_info->album_header);
12608     checked_free(music_file_info->year_header);
12609
12610     checked_free(music_file_info->title);
12611     checked_free(music_file_info->artist);
12612     checked_free(music_file_info->album);
12613     checked_free(music_file_info->year);
12614
12615     free(music_file_info);
12616
12617     music_file_info = next;
12618   }
12619
12620   new = &music_file_info;
12621
12622   for (i = 0; i < num_music; i++)
12623   {
12624     music = getMusicListEntry(i);
12625
12626     if (music->filename == NULL)
12627       continue;
12628
12629     if (strEqual(music->filename, UNDEFINED_FILENAME))
12630       continue;
12631
12632     // a configured file may be not recognized as music
12633     if (!FileIsMusic(music->filename))
12634       continue;
12635
12636     if (!music_info_listed(music_file_info, music->filename))
12637     {
12638       *new = get_music_file_info(music->filename, i);
12639
12640       if (*new != NULL)
12641         new = &(*new)->next;
12642     }
12643   }
12644
12645   if ((dir = openDirectory(music_directory)) == NULL)
12646   {
12647     Warn("cannot read music directory '%s'", music_directory);
12648
12649     return;
12650   }
12651
12652   while ((dir_entry = readDirectory(dir)) != NULL)      // loop all entries
12653   {
12654     char *basename = dir_entry->basename;
12655     boolean music_already_used = FALSE;
12656     int i;
12657
12658     // skip all music files that are configured in music config file
12659     for (i = 0; i < num_music; i++)
12660     {
12661       music = getMusicListEntry(i);
12662
12663       if (music->filename == NULL)
12664         continue;
12665
12666       if (strEqual(basename, music->filename))
12667       {
12668         music_already_used = TRUE;
12669         break;
12670       }
12671     }
12672
12673     if (music_already_used)
12674       continue;
12675
12676     if (!FileIsMusic(dir_entry->filename))
12677       continue;
12678
12679     if (!music_info_listed(music_file_info, basename))
12680     {
12681       *new = get_music_file_info(basename, MAP_NOCONF_MUSIC(num_music_noconf));
12682
12683       if (*new != NULL)
12684         new = &(*new)->next;
12685     }
12686
12687     num_music_noconf++;
12688   }
12689
12690   closeDirectory(dir);
12691
12692   for (i = 0; i < num_sounds; i++)
12693   {
12694     sound = getSoundListEntry(i);
12695
12696     if (sound->filename == NULL)
12697       continue;
12698
12699     if (strEqual(sound->filename, UNDEFINED_FILENAME))
12700       continue;
12701
12702     // a configured file may be not recognized as sound
12703     if (!FileIsSound(sound->filename))
12704       continue;
12705
12706     if (!sound_info_listed(music_file_info, sound->filename))
12707     {
12708       *new = get_sound_file_info(sound->filename, i);
12709       if (*new != NULL)
12710         new = &(*new)->next;
12711     }
12712   }
12713 }
12714
12715 static void add_helpanim_entry(int element, int action, int direction,
12716                                int delay, int *num_list_entries)
12717 {
12718   struct HelpAnimInfo *new_list_entry;
12719   (*num_list_entries)++;
12720
12721   helpanim_info =
12722     checked_realloc(helpanim_info,
12723                     *num_list_entries * sizeof(struct HelpAnimInfo));
12724   new_list_entry = &helpanim_info[*num_list_entries - 1];
12725
12726   new_list_entry->element = element;
12727   new_list_entry->action = action;
12728   new_list_entry->direction = direction;
12729   new_list_entry->delay = delay;
12730 }
12731
12732 static void print_unknown_token(char *filename, char *token, int token_nr)
12733 {
12734   if (token_nr == 0)
12735   {
12736     Warn("---");
12737     Warn("unknown token(s) found in config file:");
12738     Warn("- config file: '%s'", filename);
12739   }
12740
12741   Warn("- token: '%s'", token);
12742 }
12743
12744 static void print_unknown_token_end(int token_nr)
12745 {
12746   if (token_nr > 0)
12747     Warn("---");
12748 }
12749
12750 void LoadHelpAnimInfo(void)
12751 {
12752   char *filename = getHelpAnimFilename();
12753   SetupFileList *setup_file_list = NULL, *list;
12754   SetupFileHash *element_hash, *action_hash, *direction_hash;
12755   int num_list_entries = 0;
12756   int num_unknown_tokens = 0;
12757   int i;
12758
12759   if (fileExists(filename))
12760     setup_file_list = loadSetupFileList(filename);
12761
12762   if (setup_file_list == NULL)
12763   {
12764     // use reliable default values from static configuration
12765     SetupFileList *insert_ptr;
12766
12767     insert_ptr = setup_file_list =
12768       newSetupFileList(helpanim_config[0].token,
12769                        helpanim_config[0].value);
12770
12771     for (i = 1; helpanim_config[i].token; i++)
12772       insert_ptr = addListEntry(insert_ptr,
12773                                 helpanim_config[i].token,
12774                                 helpanim_config[i].value);
12775   }
12776
12777   element_hash   = newSetupFileHash();
12778   action_hash    = newSetupFileHash();
12779   direction_hash = newSetupFileHash();
12780
12781   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
12782     setHashEntry(element_hash, element_info[i].token_name, i_to_a(i));
12783
12784   for (i = 0; i < NUM_ACTIONS; i++)
12785     setHashEntry(action_hash, element_action_info[i].suffix,
12786                  i_to_a(element_action_info[i].value));
12787
12788   // do not store direction index (bit) here, but direction value!
12789   for (i = 0; i < NUM_DIRECTIONS_FULL; i++)
12790     setHashEntry(direction_hash, element_direction_info[i].suffix,
12791                  i_to_a(1 << element_direction_info[i].value));
12792
12793   for (list = setup_file_list; list != NULL; list = list->next)
12794   {
12795     char *element_token, *action_token, *direction_token;
12796     char *element_value, *action_value, *direction_value;
12797     int delay = atoi(list->value);
12798
12799     if (strEqual(list->token, "end"))
12800     {
12801       add_helpanim_entry(HELPANIM_LIST_NEXT, -1, -1, -1, &num_list_entries);
12802
12803       continue;
12804     }
12805
12806     /* first try to break element into element/action/direction parts;
12807        if this does not work, also accept combined "element[.act][.dir]"
12808        elements (like "dynamite.active"), which are unique elements */
12809
12810     if (strchr(list->token, '.') == NULL)       // token contains no '.'
12811     {
12812       element_value = getHashEntry(element_hash, list->token);
12813       if (element_value != NULL)        // element found
12814         add_helpanim_entry(atoi(element_value), -1, -1, delay,
12815                            &num_list_entries);
12816       else
12817       {
12818         // no further suffixes found -- this is not an element
12819         print_unknown_token(filename, list->token, num_unknown_tokens++);
12820       }
12821
12822       continue;
12823     }
12824
12825     // token has format "<prefix>.<something>"
12826
12827     action_token = strchr(list->token, '.');    // suffix may be action ...
12828     direction_token = action_token;             // ... or direction
12829
12830     element_token = getStringCopy(list->token);
12831     *strchr(element_token, '.') = '\0';
12832
12833     element_value = getHashEntry(element_hash, element_token);
12834
12835     if (element_value == NULL)          // this is no element
12836     {
12837       element_value = getHashEntry(element_hash, list->token);
12838       if (element_value != NULL)        // combined element found
12839         add_helpanim_entry(atoi(element_value), -1, -1, delay,
12840                            &num_list_entries);
12841       else
12842         print_unknown_token(filename, list->token, num_unknown_tokens++);
12843
12844       free(element_token);
12845
12846       continue;
12847     }
12848
12849     action_value = getHashEntry(action_hash, action_token);
12850
12851     if (action_value != NULL)           // action found
12852     {
12853       add_helpanim_entry(atoi(element_value), atoi(action_value), -1, delay,
12854                     &num_list_entries);
12855
12856       free(element_token);
12857
12858       continue;
12859     }
12860
12861     direction_value = getHashEntry(direction_hash, direction_token);
12862
12863     if (direction_value != NULL)        // direction found
12864     {
12865       add_helpanim_entry(atoi(element_value), -1, atoi(direction_value), delay,
12866                          &num_list_entries);
12867
12868       free(element_token);
12869
12870       continue;
12871     }
12872
12873     if (strchr(action_token + 1, '.') == NULL)
12874     {
12875       // no further suffixes found -- this is not an action nor direction
12876
12877       element_value = getHashEntry(element_hash, list->token);
12878       if (element_value != NULL)        // combined element found
12879         add_helpanim_entry(atoi(element_value), -1, -1, delay,
12880                            &num_list_entries);
12881       else
12882         print_unknown_token(filename, list->token, num_unknown_tokens++);
12883
12884       free(element_token);
12885
12886       continue;
12887     }
12888
12889     // token has format "<prefix>.<suffix>.<something>"
12890
12891     direction_token = strchr(action_token + 1, '.');
12892
12893     action_token = getStringCopy(action_token);
12894     *strchr(action_token + 1, '.') = '\0';
12895
12896     action_value = getHashEntry(action_hash, action_token);
12897
12898     if (action_value == NULL)           // this is no action
12899     {
12900       element_value = getHashEntry(element_hash, list->token);
12901       if (element_value != NULL)        // combined element found
12902         add_helpanim_entry(atoi(element_value), -1, -1, delay,
12903                            &num_list_entries);
12904       else
12905         print_unknown_token(filename, list->token, num_unknown_tokens++);
12906
12907       free(element_token);
12908       free(action_token);
12909
12910       continue;
12911     }
12912
12913     direction_value = getHashEntry(direction_hash, direction_token);
12914
12915     if (direction_value != NULL)        // direction found
12916     {
12917       add_helpanim_entry(atoi(element_value), atoi(action_value),
12918                          atoi(direction_value), delay, &num_list_entries);
12919
12920       free(element_token);
12921       free(action_token);
12922
12923       continue;
12924     }
12925
12926     // this is no direction
12927
12928     element_value = getHashEntry(element_hash, list->token);
12929     if (element_value != NULL)          // combined element found
12930       add_helpanim_entry(atoi(element_value), -1, -1, delay,
12931                          &num_list_entries);
12932     else
12933       print_unknown_token(filename, list->token, num_unknown_tokens++);
12934
12935     free(element_token);
12936     free(action_token);
12937   }
12938
12939   print_unknown_token_end(num_unknown_tokens);
12940
12941   add_helpanim_entry(HELPANIM_LIST_NEXT, -1, -1, -1, &num_list_entries);
12942   add_helpanim_entry(HELPANIM_LIST_END,  -1, -1, -1, &num_list_entries);
12943
12944   freeSetupFileList(setup_file_list);
12945   freeSetupFileHash(element_hash);
12946   freeSetupFileHash(action_hash);
12947   freeSetupFileHash(direction_hash);
12948
12949 #if 0
12950   for (i = 0; i < num_list_entries; i++)
12951     Debug("files:LoadHelpAnimInfo", "'%s': %d, %d, %d => %d",
12952           EL_NAME(helpanim_info[i].element),
12953           helpanim_info[i].element,
12954           helpanim_info[i].action,
12955           helpanim_info[i].direction,
12956           helpanim_info[i].delay);
12957 #endif
12958 }
12959
12960 void LoadHelpTextInfo(void)
12961 {
12962   char *filename = getHelpTextFilename();
12963   int i;
12964
12965   if (helptext_info != NULL)
12966   {
12967     freeSetupFileHash(helptext_info);
12968     helptext_info = NULL;
12969   }
12970
12971   if (fileExists(filename))
12972     helptext_info = loadSetupFileHash(filename);
12973
12974   if (helptext_info == NULL)
12975   {
12976     // use reliable default values from static configuration
12977     helptext_info = newSetupFileHash();
12978
12979     for (i = 0; helptext_config[i].token; i++)
12980       setHashEntry(helptext_info,
12981                    helptext_config[i].token,
12982                    helptext_config[i].value);
12983   }
12984
12985 #if 0
12986   BEGIN_HASH_ITERATION(helptext_info, itr)
12987   {
12988     Debug("files:LoadHelpTextInfo", "'%s' => '%s'",
12989           HASH_ITERATION_TOKEN(itr), HASH_ITERATION_VALUE(itr));
12990   }
12991   END_HASH_ITERATION(hash, itr)
12992 #endif
12993 }
12994
12995
12996 // ----------------------------------------------------------------------------
12997 // convert levels
12998 // ----------------------------------------------------------------------------
12999
13000 #define MAX_NUM_CONVERT_LEVELS          1000
13001
13002 void ConvertLevels(void)
13003 {
13004   static LevelDirTree *convert_leveldir = NULL;
13005   static int convert_level_nr = -1;
13006   static int num_levels_handled = 0;
13007   static int num_levels_converted = 0;
13008   static boolean levels_failed[MAX_NUM_CONVERT_LEVELS];
13009   int i;
13010
13011   convert_leveldir = getTreeInfoFromIdentifier(leveldir_first,
13012                                                global.convert_leveldir);
13013
13014   if (convert_leveldir == NULL)
13015     Fail("no such level identifier: '%s'", global.convert_leveldir);
13016
13017   leveldir_current = convert_leveldir;
13018
13019   if (global.convert_level_nr != -1)
13020   {
13021     convert_leveldir->first_level = global.convert_level_nr;
13022     convert_leveldir->last_level  = global.convert_level_nr;
13023   }
13024
13025   convert_level_nr = convert_leveldir->first_level;
13026
13027   PrintLine("=", 79);
13028   Print("Converting levels\n");
13029   PrintLine("-", 79);
13030   Print("Level series identifier: '%s'\n", convert_leveldir->identifier);
13031   Print("Level series name:       '%s'\n", convert_leveldir->name);
13032   Print("Level series author:     '%s'\n", convert_leveldir->author);
13033   Print("Number of levels:        %d\n",   convert_leveldir->levels);
13034   PrintLine("=", 79);
13035   Print("\n");
13036
13037   for (i = 0; i < MAX_NUM_CONVERT_LEVELS; i++)
13038     levels_failed[i] = FALSE;
13039
13040   while (convert_level_nr <= convert_leveldir->last_level)
13041   {
13042     char *level_filename;
13043     boolean new_level;
13044
13045     level_nr = convert_level_nr++;
13046
13047     Print("Level %03d: ", level_nr);
13048
13049     LoadLevel(level_nr);
13050     if (level.no_level_file || level.no_valid_file)
13051     {
13052       Print("(no level)\n");
13053       continue;
13054     }
13055
13056     Print("converting level ... ");
13057
13058     level_filename = getDefaultLevelFilename(level_nr);
13059     new_level = !fileExists(level_filename);
13060
13061     if (new_level)
13062     {
13063       SaveLevel(level_nr);
13064
13065       num_levels_converted++;
13066
13067       Print("converted.\n");
13068     }
13069     else
13070     {
13071       if (level_nr >= 0 && level_nr < MAX_NUM_CONVERT_LEVELS)
13072         levels_failed[level_nr] = TRUE;
13073
13074       Print("NOT CONVERTED -- LEVEL ALREADY EXISTS.\n");
13075     }
13076
13077     num_levels_handled++;
13078   }
13079
13080   Print("\n");
13081   PrintLine("=", 79);
13082   Print("Number of levels handled: %d\n", num_levels_handled);
13083   Print("Number of levels converted: %d (%d%%)\n", num_levels_converted,
13084          (num_levels_handled ?
13085           num_levels_converted * 100 / num_levels_handled : 0));
13086   PrintLine("-", 79);
13087   Print("Summary (for automatic parsing by scripts):\n");
13088   Print("LEVELDIR '%s', CONVERTED %d/%d (%d%%)",
13089          convert_leveldir->identifier, num_levels_converted,
13090          num_levels_handled,
13091          (num_levels_handled ?
13092           num_levels_converted * 100 / num_levels_handled : 0));
13093
13094   if (num_levels_handled != num_levels_converted)
13095   {
13096     Print(", FAILED:");
13097     for (i = 0; i < MAX_NUM_CONVERT_LEVELS; i++)
13098       if (levels_failed[i])
13099         Print(" %03d", i);
13100   }
13101
13102   Print("\n");
13103   PrintLine("=", 79);
13104
13105   CloseAllAndExit(0);
13106 }
13107
13108
13109 // ----------------------------------------------------------------------------
13110 // create and save images for use in level sketches (raw BMP format)
13111 // ----------------------------------------------------------------------------
13112
13113 void CreateLevelSketchImages(void)
13114 {
13115   Bitmap *bitmap1;
13116   Bitmap *bitmap2;
13117   int i;
13118
13119   InitElementPropertiesGfxElement();
13120
13121   bitmap1 = CreateBitmap(TILEX, TILEY, DEFAULT_DEPTH);
13122   bitmap2 = CreateBitmap(MINI_TILEX, MINI_TILEY, DEFAULT_DEPTH);
13123
13124   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
13125   {
13126     int element = getMappedElement(i);
13127     char basename1[16];
13128     char basename2[16];
13129     char *filename1;
13130     char *filename2;
13131
13132     sprintf(basename1, "%04d.bmp", i);
13133     sprintf(basename2, "%04ds.bmp", i);
13134
13135     filename1 = getPath2(global.create_sketch_images_dir, basename1);
13136     filename2 = getPath2(global.create_sketch_images_dir, basename2);
13137
13138     DrawSizedElement(0, 0, element, TILESIZE);
13139     BlitBitmap(drawto, bitmap1, SX, SY, TILEX, TILEY, 0, 0);
13140
13141     if (SDL_SaveBMP(bitmap1->surface, filename1) != 0)
13142       Fail("cannot save level sketch image file '%s'", filename1);
13143
13144     DrawSizedElement(0, 0, element, MINI_TILESIZE);
13145     BlitBitmap(drawto, bitmap2, SX, SY, MINI_TILEX, MINI_TILEY, 0, 0);
13146
13147     if (SDL_SaveBMP(bitmap2->surface, filename2) != 0)
13148       Fail("cannot save level sketch image file '%s'", filename2);
13149
13150     free(filename1);
13151     free(filename2);
13152
13153     // create corresponding SQL statements (for normal and small images)
13154     if (i < 1000)
13155     {
13156       printf("insert into phpbb_words values (NULL, '`%03d', '<IMG class=\"levelsketch\" src=\"/I/%04d.png\"/>');\n", i, i);
13157       printf("insert into phpbb_words values (NULL, '¸%03d', '<IMG class=\"levelsketch\" src=\"/I/%04ds.png\"/>');\n", i, i);
13158     }
13159
13160     printf("insert into phpbb_words values (NULL, '`%04d', '<IMG class=\"levelsketch\" src=\"/I/%04d.png\"/>');\n", i, i);
13161     printf("insert into phpbb_words values (NULL, '¸%04d', '<IMG class=\"levelsketch\" src=\"/I/%04ds.png\"/>');\n", i, i);
13162
13163     // optional: create content for forum level sketch demonstration post
13164     if (options.debug)
13165       fprintf(stderr, "%03d `%03d%c", i, i, (i % 10 < 9 ? ' ' : '\n'));
13166   }
13167
13168   FreeBitmap(bitmap1);
13169   FreeBitmap(bitmap2);
13170
13171   if (options.debug)
13172     fprintf(stderr, "\n");
13173
13174   Info("%d normal and small images created", NUM_FILE_ELEMENTS);
13175
13176   CloseAllAndExit(0);
13177 }
13178
13179
13180 // ----------------------------------------------------------------------------
13181 // create and save images for element collecting animations (raw BMP format)
13182 // ----------------------------------------------------------------------------
13183
13184 static boolean createCollectImage(int element)
13185 {
13186   return (IS_COLLECTIBLE(element) && !IS_SP_ELEMENT(element));
13187 }
13188
13189 void CreateCollectElementImages(void)
13190 {
13191   int i, j;
13192   int num_steps = 8;
13193   int anim_frames = num_steps - 1;
13194   int tile_size = TILESIZE;
13195   int anim_width  = tile_size * anim_frames;
13196   int anim_height = tile_size;
13197   int num_collect_images = 0;
13198   int pos_collect_images = 0;
13199
13200   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
13201     if (createCollectImage(i))
13202       num_collect_images++;
13203
13204   Info("Creating %d element collecting animation images ...",
13205        num_collect_images);
13206
13207   int dst_width  = anim_width * 2;
13208   int dst_height = anim_height * num_collect_images / 2;
13209   Bitmap *dst_bitmap = CreateBitmap(dst_width, dst_height, DEFAULT_DEPTH);
13210   char *basename = "RocksCollect.bmp";
13211   char *filename = getPath2(global.create_collect_images_dir, basename);
13212
13213   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
13214   {
13215     if (!createCollectImage(i))
13216       continue;
13217
13218     int dst_x = (pos_collect_images / (num_collect_images / 2)) * anim_width;
13219     int dst_y = (pos_collect_images % (num_collect_images / 2)) * anim_height;
13220     int graphic = el2img(i);
13221     char *token_name = element_info[i].token_name;
13222     Bitmap *tmp_bitmap = CreateBitmap(tile_size, tile_size, DEFAULT_DEPTH);
13223     Bitmap *src_bitmap;
13224     int src_x, src_y;
13225
13226     Info("- creating collecting image for '%s' ...", token_name);
13227
13228     getGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
13229
13230     BlitBitmap(src_bitmap, tmp_bitmap, src_x, src_y,
13231                tile_size, tile_size, 0, 0);
13232
13233     tmp_bitmap->surface_masked = tmp_bitmap->surface;
13234
13235     for (j = 0; j < anim_frames; j++)
13236     {
13237       int frame_size_final = tile_size * (anim_frames - j) / num_steps;
13238       int frame_size = frame_size_final * num_steps;
13239       int offset = (tile_size - frame_size_final) / 2;
13240       Bitmap *frame_bitmap = ZoomBitmap(tmp_bitmap, frame_size, frame_size);
13241
13242       while (frame_size > frame_size_final)
13243       {
13244         frame_size /= 2;
13245
13246         Bitmap *half_bitmap = ZoomBitmap(frame_bitmap, frame_size, frame_size);
13247
13248         FreeBitmap(frame_bitmap);
13249
13250         frame_bitmap = half_bitmap;
13251       }
13252
13253       BlitBitmap(frame_bitmap, dst_bitmap, 0, 0,
13254                  frame_size_final, frame_size_final,
13255                  dst_x + j * tile_size + offset, dst_y + offset);
13256
13257       FreeBitmap(frame_bitmap);
13258     }
13259
13260     tmp_bitmap->surface_masked = NULL;
13261
13262     FreeBitmap(tmp_bitmap);
13263
13264     pos_collect_images++;
13265   }
13266
13267   if (SDL_SaveBMP(dst_bitmap->surface, filename) != 0)
13268     Fail("cannot save element collecting image file '%s'", filename);
13269
13270   FreeBitmap(dst_bitmap);
13271
13272   Info("Done.");
13273
13274   CloseAllAndExit(0);
13275 }
13276
13277
13278 // ----------------------------------------------------------------------------
13279 // create and save images for custom and group elements (raw BMP format)
13280 // ----------------------------------------------------------------------------
13281
13282 void CreateCustomElementImages(char *directory)
13283 {
13284   char *src_basename = "RocksCE-template.ilbm";
13285   char *dst_basename = "RocksCE.bmp";
13286   char *src_filename = getPath2(directory, src_basename);
13287   char *dst_filename = getPath2(directory, dst_basename);
13288   Bitmap *src_bitmap;
13289   Bitmap *bitmap;
13290   int yoffset_ce = 0;
13291   int yoffset_ge = (TILEY * NUM_CUSTOM_ELEMENTS / 16);
13292   int i;
13293
13294   InitVideoDefaults();
13295
13296   ReCreateBitmap(&backbuffer, video.width, video.height);
13297
13298   src_bitmap = LoadImage(src_filename);
13299
13300   bitmap = CreateBitmap(TILEX * 16 * 2,
13301                         TILEY * (NUM_CUSTOM_ELEMENTS + NUM_GROUP_ELEMENTS) / 16,
13302                         DEFAULT_DEPTH);
13303
13304   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
13305   {
13306     int x = i % 16;
13307     int y = i / 16;
13308     int ii = i + 1;
13309     int j;
13310
13311     BlitBitmap(src_bitmap, bitmap, 0, 0, TILEX, TILEY,
13312                TILEX * x, TILEY * y + yoffset_ce);
13313
13314     BlitBitmap(src_bitmap, bitmap, 0, TILEY,
13315                TILEX, TILEY,
13316                TILEX * x + TILEX * 16,
13317                TILEY * y + yoffset_ce);
13318
13319     for (j = 2; j >= 0; j--)
13320     {
13321       int c = ii % 10;
13322
13323       BlitBitmap(src_bitmap, bitmap,
13324                  TILEX + c * 7, 0, 6, 10,
13325                  TILEX * x + 6 + j * 7,
13326                  TILEY * y + 11 + yoffset_ce);
13327
13328       BlitBitmap(src_bitmap, bitmap,
13329                  TILEX + c * 8, TILEY, 6, 10,
13330                  TILEX * 16 + TILEX * x + 6 + j * 8,
13331                  TILEY * y + 10 + yoffset_ce);
13332
13333       ii /= 10;
13334     }
13335   }
13336
13337   for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
13338   {
13339     int x = i % 16;
13340     int y = i / 16;
13341     int ii = i + 1;
13342     int j;
13343
13344     BlitBitmap(src_bitmap, bitmap, 0, 0, TILEX, TILEY,
13345                TILEX * x, TILEY * y + yoffset_ge);
13346
13347     BlitBitmap(src_bitmap, bitmap, 0, TILEY,
13348                TILEX, TILEY,
13349                TILEX * x + TILEX * 16,
13350                TILEY * y + yoffset_ge);
13351
13352     for (j = 1; j >= 0; j--)
13353     {
13354       int c = ii % 10;
13355
13356       BlitBitmap(src_bitmap, bitmap, TILEX + c * 10, 11, 10, 10,
13357                  TILEX * x + 6 + j * 10,
13358                  TILEY * y + 11 + yoffset_ge);
13359
13360       BlitBitmap(src_bitmap, bitmap,
13361                  TILEX + c * 8, TILEY + 12, 6, 10,
13362                  TILEX * 16 + TILEX * x + 10 + j * 8,
13363                  TILEY * y + 10 + yoffset_ge);
13364
13365       ii /= 10;
13366     }
13367   }
13368
13369   if (SDL_SaveBMP(bitmap->surface, dst_filename) != 0)
13370     Fail("cannot save CE graphics file '%s'", dst_filename);
13371
13372   FreeBitmap(bitmap);
13373
13374   CloseAllAndExit(0);
13375 }