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
6135   if (load_xsb_to_ces)
6136   {
6137     // special global settings can now be set in level template
6138
6139     level->use_custom_template = TRUE;
6140   }
6141 }
6142
6143
6144 // -------------------------------------------------------------------------
6145 // functions for handling native levels
6146 // -------------------------------------------------------------------------
6147
6148 static void LoadLevelFromFileInfo_EM(struct LevelInfo *level,
6149                                      struct LevelFileInfo *level_file_info,
6150                                      boolean level_info_only)
6151 {
6152   if (!LoadNativeLevel_EM(level_file_info->filename, level_info_only))
6153     level->no_valid_file = TRUE;
6154 }
6155
6156 static void LoadLevelFromFileInfo_SP(struct LevelInfo *level,
6157                                      struct LevelFileInfo *level_file_info,
6158                                      boolean level_info_only)
6159 {
6160   int pos = 0;
6161
6162   // determine position of requested level inside level package
6163   if (level_file_info->packed)
6164     pos = level_file_info->nr - leveldir_current->first_level;
6165
6166   if (!LoadNativeLevel_SP(level_file_info->filename, pos, level_info_only))
6167     level->no_valid_file = TRUE;
6168 }
6169
6170 static void LoadLevelFromFileInfo_MM(struct LevelInfo *level,
6171                                      struct LevelFileInfo *level_file_info,
6172                                      boolean level_info_only)
6173 {
6174   if (!LoadNativeLevel_MM(level_file_info->filename, level_info_only))
6175     level->no_valid_file = TRUE;
6176 }
6177
6178 void CopyNativeLevel_RND_to_Native(struct LevelInfo *level)
6179 {
6180   if (level->game_engine_type == GAME_ENGINE_TYPE_EM)
6181     CopyNativeLevel_RND_to_EM(level);
6182   else if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
6183     CopyNativeLevel_RND_to_SP(level);
6184   else if (level->game_engine_type == GAME_ENGINE_TYPE_MM)
6185     CopyNativeLevel_RND_to_MM(level);
6186 }
6187
6188 void CopyNativeLevel_Native_to_RND(struct LevelInfo *level)
6189 {
6190   if (level->game_engine_type == GAME_ENGINE_TYPE_EM)
6191     CopyNativeLevel_EM_to_RND(level);
6192   else if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
6193     CopyNativeLevel_SP_to_RND(level);
6194   else if (level->game_engine_type == GAME_ENGINE_TYPE_MM)
6195     CopyNativeLevel_MM_to_RND(level);
6196 }
6197
6198 void SaveNativeLevel(struct LevelInfo *level)
6199 {
6200   if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
6201   {
6202     char *basename = getSingleLevelBasenameExt(level->file_info.nr, "sp");
6203     char *filename = getLevelFilenameFromBasename(basename);
6204
6205     CopyNativeLevel_RND_to_SP(level);
6206     CopyNativeTape_RND_to_SP(level);
6207
6208     SaveNativeLevel_SP(filename);
6209   }
6210 }
6211
6212
6213 // ----------------------------------------------------------------------------
6214 // functions for loading generic level
6215 // ----------------------------------------------------------------------------
6216
6217 static void LoadLevelFromFileInfo(struct LevelInfo *level,
6218                                   struct LevelFileInfo *level_file_info,
6219                                   boolean level_info_only)
6220 {
6221   // always start with reliable default values
6222   setLevelInfoToDefaults(level, level_info_only, TRUE);
6223
6224   switch (level_file_info->type)
6225   {
6226     case LEVEL_FILE_TYPE_RND:
6227       LoadLevelFromFileInfo_RND(level, level_file_info, level_info_only);
6228       break;
6229
6230     case LEVEL_FILE_TYPE_EM:
6231       LoadLevelFromFileInfo_EM(level, level_file_info, level_info_only);
6232       level->game_engine_type = GAME_ENGINE_TYPE_EM;
6233       break;
6234
6235     case LEVEL_FILE_TYPE_SP:
6236       LoadLevelFromFileInfo_SP(level, level_file_info, level_info_only);
6237       level->game_engine_type = GAME_ENGINE_TYPE_SP;
6238       break;
6239
6240     case LEVEL_FILE_TYPE_MM:
6241       LoadLevelFromFileInfo_MM(level, level_file_info, level_info_only);
6242       level->game_engine_type = GAME_ENGINE_TYPE_MM;
6243       break;
6244
6245     case LEVEL_FILE_TYPE_DC:
6246       LoadLevelFromFileInfo_DC(level, level_file_info, level_info_only);
6247       break;
6248
6249     case LEVEL_FILE_TYPE_SB:
6250       LoadLevelFromFileInfo_SB(level, level_file_info, level_info_only);
6251       break;
6252
6253     default:
6254       LoadLevelFromFileInfo_RND(level, level_file_info, level_info_only);
6255       break;
6256   }
6257
6258   // if level file is invalid, restore level structure to default values
6259   if (level->no_valid_file)
6260     setLevelInfoToDefaults(level, level_info_only, FALSE);
6261
6262   if (level->game_engine_type == GAME_ENGINE_TYPE_UNKNOWN)
6263     level->game_engine_type = GAME_ENGINE_TYPE_RND;
6264
6265   if (level_file_info->type != LEVEL_FILE_TYPE_RND)
6266     CopyNativeLevel_Native_to_RND(level);
6267 }
6268
6269 void LoadLevelFromFilename(struct LevelInfo *level, char *filename)
6270 {
6271   static struct LevelFileInfo level_file_info;
6272
6273   // always start with reliable default values
6274   setFileInfoToDefaults(&level_file_info);
6275
6276   level_file_info.nr = 0;                       // unknown level number
6277   level_file_info.type = LEVEL_FILE_TYPE_RND;   // no others supported yet
6278
6279   setString(&level_file_info.filename, filename);
6280
6281   LoadLevelFromFileInfo(level, &level_file_info, FALSE);
6282 }
6283
6284 static void LoadLevel_InitVersion(struct LevelInfo *level)
6285 {
6286   int i, j;
6287
6288   if (leveldir_current == NULL)         // only when dumping level
6289     return;
6290
6291   // all engine modifications also valid for levels which use latest engine
6292   if (level->game_version < VERSION_IDENT(3,2,0,5))
6293   {
6294     // time bonus score was given for 10 s instead of 1 s before 3.2.0-5
6295     level->time_score_base = 10;
6296   }
6297
6298   if (leveldir_current->latest_engine)
6299   {
6300     // ---------- use latest game engine --------------------------------------
6301
6302     /* For all levels which are forced to use the latest game engine version
6303        (normally all but user contributed, private and undefined levels), set
6304        the game engine version to the actual version; this allows for actual
6305        corrections in the game engine to take effect for existing, converted
6306        levels (from "classic" or other existing games) to make the emulation
6307        of the corresponding game more accurate, while (hopefully) not breaking
6308        existing levels created from other players. */
6309
6310     level->game_version = GAME_VERSION_ACTUAL;
6311
6312     /* Set special EM style gems behaviour: EM style gems slip down from
6313        normal, steel and growing wall. As this is a more fundamental change,
6314        it seems better to set the default behaviour to "off" (as it is more
6315        natural) and make it configurable in the level editor (as a property
6316        of gem style elements). Already existing converted levels (neither
6317        private nor contributed levels) are changed to the new behaviour. */
6318
6319     if (level->file_version < FILE_VERSION_2_0)
6320       level->em_slippery_gems = TRUE;
6321
6322     return;
6323   }
6324
6325   // ---------- use game engine the level was created with --------------------
6326
6327   /* For all levels which are not forced to use the latest game engine
6328      version (normally user contributed, private and undefined levels),
6329      use the version of the game engine the levels were created for.
6330
6331      Since 2.0.1, the game engine version is now directly stored
6332      in the level file (chunk "VERS"), so there is no need anymore
6333      to set the game version from the file version (except for old,
6334      pre-2.0 levels, where the game version is still taken from the
6335      file format version used to store the level -- see above). */
6336
6337   // player was faster than enemies in 1.0.0 and before
6338   if (level->file_version == FILE_VERSION_1_0)
6339     for (i = 0; i < MAX_PLAYERS; i++)
6340       level->initial_player_stepsize[i] = STEPSIZE_FAST;
6341
6342   // default behaviour for EM style gems was "slippery" only in 2.0.1
6343   if (level->game_version == VERSION_IDENT(2,0,1,0))
6344     level->em_slippery_gems = TRUE;
6345
6346   // springs could be pushed over pits before (pre-release version) 2.2.0
6347   if (level->game_version < VERSION_IDENT(2,2,0,0))
6348     level->use_spring_bug = TRUE;
6349
6350   if (level->game_version < VERSION_IDENT(3,2,0,5))
6351   {
6352     // time orb caused limited time in endless time levels before 3.2.0-5
6353     level->use_time_orb_bug = TRUE;
6354
6355     // default behaviour for snapping was "no snap delay" before 3.2.0-5
6356     level->block_snap_field = FALSE;
6357
6358     // extra time score was same value as time left score before 3.2.0-5
6359     level->extra_time_score = level->score[SC_TIME_BONUS];
6360   }
6361
6362   if (level->game_version < VERSION_IDENT(3,2,0,7))
6363   {
6364     // default behaviour for snapping was "not continuous" before 3.2.0-7
6365     level->continuous_snapping = FALSE;
6366   }
6367
6368   // only few elements were able to actively move into acid before 3.1.0
6369   // trigger settings did not exist before 3.1.0; set to default "any"
6370   if (level->game_version < VERSION_IDENT(3,1,0,0))
6371   {
6372     // correct "can move into acid" settings (all zero in old levels)
6373
6374     level->can_move_into_acid_bits = 0; // nothing can move into acid
6375     level->dont_collide_with_bits = 0; // nothing is deadly when colliding
6376
6377     setMoveIntoAcidProperty(level, EL_ROBOT,     TRUE);
6378     setMoveIntoAcidProperty(level, EL_SATELLITE, TRUE);
6379     setMoveIntoAcidProperty(level, EL_PENGUIN,   TRUE);
6380     setMoveIntoAcidProperty(level, EL_BALLOON,   TRUE);
6381
6382     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6383       SET_PROPERTY(EL_CUSTOM_START + i, EP_CAN_MOVE_INTO_ACID, TRUE);
6384
6385     // correct trigger settings (stored as zero == "none" in old levels)
6386
6387     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6388     {
6389       int element = EL_CUSTOM_START + i;
6390       struct ElementInfo *ei = &element_info[element];
6391
6392       for (j = 0; j < ei->num_change_pages; j++)
6393       {
6394         struct ElementChangeInfo *change = &ei->change_page[j];
6395
6396         change->trigger_player = CH_PLAYER_ANY;
6397         change->trigger_page = CH_PAGE_ANY;
6398       }
6399     }
6400   }
6401
6402   // try to detect and fix "Snake Bite" levels, which are broken with 3.2.0
6403   {
6404     int element = EL_CUSTOM_256;
6405     struct ElementInfo *ei = &element_info[element];
6406     struct ElementChangeInfo *change = &ei->change_page[0];
6407
6408     /* This is needed to fix a problem that was caused by a bugfix in function
6409        game.c/CreateFieldExt() introduced with 3.2.0 that corrects the behaviour
6410        when a custom element changes to EL_SOKOBAN_FIELD_PLAYER (before, it did
6411        not replace walkable elements, but instead just placed the player on it,
6412        without placing the Sokoban field under the player). Unfortunately, this
6413        breaks "Snake Bite" style levels when the snake is halfway through a door
6414        that just closes (the snake head is still alive and can be moved in this
6415        case). This can be fixed by replacing the EL_SOKOBAN_FIELD_PLAYER by the
6416        player (without Sokoban element) which then gets killed as designed). */
6417
6418     if ((strncmp(leveldir_current->identifier, "snake_bite", 10) == 0 ||
6419          strncmp(ei->description, "pause b4 death", 14) == 0) &&
6420         change->target_element == EL_SOKOBAN_FIELD_PLAYER)
6421       change->target_element = EL_PLAYER_1;
6422   }
6423
6424   // try to detect and fix "Zelda" style levels, which are broken with 3.2.5
6425   if (level->game_version < VERSION_IDENT(3,2,5,0))
6426   {
6427     /* This is needed to fix a problem that was caused by a bugfix in function
6428        game.c/CheckTriggeredElementChangeExt() introduced with 3.2.5 that
6429        corrects the behaviour when a custom element changes to another custom
6430        element with a higher element number that has change actions defined.
6431        Normally, only one change per frame is allowed for custom elements.
6432        Therefore, it is checked if a custom element already changed in the
6433        current frame; if it did, subsequent changes are suppressed.
6434        Unfortunately, this is only checked for element changes, but not for
6435        change actions, which are still executed. As the function above loops
6436        through all custom elements from lower to higher, an element change
6437        resulting in a lower CE number won't be checked again, while a target
6438        element with a higher number will also be checked, and potential change
6439        actions will get executed for this CE, too (which is wrong), while
6440        further changes are ignored (which is correct). As this bugfix breaks
6441        Zelda II (and introduces graphical bugs to Zelda I, and also breaks a
6442        few other levels like Alan Bond's "FMV"), allow the previous, incorrect
6443        behaviour for existing levels and tapes that make use of this bug */
6444
6445     level->use_action_after_change_bug = TRUE;
6446   }
6447
6448   // not centering level after relocating player was default only in 3.2.3
6449   if (level->game_version == VERSION_IDENT(3,2,3,0))    // (no pre-releases)
6450     level->shifted_relocation = TRUE;
6451
6452   // EM style elements always chain-exploded in R'n'D engine before 3.2.6
6453   if (level->game_version < VERSION_IDENT(3,2,6,0))
6454     level->em_explodes_by_fire = TRUE;
6455
6456   // levels were solved by the first player entering an exit up to 4.1.0.0
6457   if (level->game_version <= VERSION_IDENT(4,1,0,0))
6458     level->solved_by_one_player = TRUE;
6459
6460   // game logic of "game of life" and "biomaze" was buggy before 4.1.1.1
6461   if (level->game_version < VERSION_IDENT(4,1,1,1))
6462     level->use_life_bugs = TRUE;
6463
6464   // only Sokoban fields (but not objects) had to be solved before 4.1.1.1
6465   if (level->game_version < VERSION_IDENT(4,1,1,1))
6466     level->sb_objects_needed = FALSE;
6467
6468   // CE actions were triggered by unfinished digging/collecting up to 4.2.2.0
6469   if (level->game_version <= VERSION_IDENT(4,2,2,0))
6470     level->finish_dig_collect = FALSE;
6471
6472   // CE changing to player was kept under the player if walkable up to 4.2.3.1
6473   if (level->game_version <= VERSION_IDENT(4,2,3,1))
6474     level->keep_walkable_ce = TRUE;
6475 }
6476
6477 static void LoadLevel_InitSettings(struct LevelInfo *level)
6478 {
6479 }
6480
6481 static void LoadLevel_InitStandardElements(struct LevelInfo *level)
6482 {
6483   int i, x, y;
6484
6485   // map elements that have changed in newer versions
6486   level->amoeba_content = getMappedElementByVersion(level->amoeba_content,
6487                                                     level->game_version);
6488   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6489     for (x = 0; x < 3; x++)
6490       for (y = 0; y < 3; y++)
6491         level->yamyam_content[i].e[x][y] =
6492           getMappedElementByVersion(level->yamyam_content[i].e[x][y],
6493                                     level->game_version);
6494
6495 }
6496
6497 static void LoadLevel_InitCustomElements(struct LevelInfo *level)
6498 {
6499   int i, j;
6500
6501   // map custom element change events that have changed in newer versions
6502   // (these following values were accidentally changed in version 3.0.1)
6503   // (this seems to be needed only for 'ab_levelset3' and 'ab_levelset4')
6504   if (level->game_version <= VERSION_IDENT(3,0,0,0))
6505   {
6506     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6507     {
6508       int element = EL_CUSTOM_START + i;
6509
6510       // order of checking and copying events to be mapped is important
6511       // (do not change the start and end value -- they are constant)
6512       for (j = CE_BY_OTHER_ACTION; j >= CE_VALUE_GETS_ZERO; j--)
6513       {
6514         if (HAS_CHANGE_EVENT(element, j - 2))
6515         {
6516           SET_CHANGE_EVENT(element, j - 2, FALSE);
6517           SET_CHANGE_EVENT(element, j, TRUE);
6518         }
6519       }
6520
6521       // order of checking and copying events to be mapped is important
6522       // (do not change the start and end value -- they are constant)
6523       for (j = CE_PLAYER_COLLECTS_X; j >= CE_HITTING_SOMETHING; j--)
6524       {
6525         if (HAS_CHANGE_EVENT(element, j - 1))
6526         {
6527           SET_CHANGE_EVENT(element, j - 1, FALSE);
6528           SET_CHANGE_EVENT(element, j, TRUE);
6529         }
6530       }
6531     }
6532   }
6533
6534   // initialize "can_change" field for old levels with only one change page
6535   if (level->game_version <= VERSION_IDENT(3,0,2,0))
6536   {
6537     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6538     {
6539       int element = EL_CUSTOM_START + i;
6540
6541       if (CAN_CHANGE(element))
6542         element_info[element].change->can_change = TRUE;
6543     }
6544   }
6545
6546   // correct custom element values (for old levels without these options)
6547   if (level->game_version < VERSION_IDENT(3,1,1,0))
6548   {
6549     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6550     {
6551       int element = EL_CUSTOM_START + i;
6552       struct ElementInfo *ei = &element_info[element];
6553
6554       if (ei->access_direction == MV_NO_DIRECTION)
6555         ei->access_direction = MV_ALL_DIRECTIONS;
6556     }
6557   }
6558
6559   // correct custom element values (fix invalid values for all versions)
6560   if (1)
6561   {
6562     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6563     {
6564       int element = EL_CUSTOM_START + i;
6565       struct ElementInfo *ei = &element_info[element];
6566
6567       for (j = 0; j < ei->num_change_pages; j++)
6568       {
6569         struct ElementChangeInfo *change = &ei->change_page[j];
6570
6571         if (change->trigger_player == CH_PLAYER_NONE)
6572           change->trigger_player = CH_PLAYER_ANY;
6573
6574         if (change->trigger_side == CH_SIDE_NONE)
6575           change->trigger_side = CH_SIDE_ANY;
6576       }
6577     }
6578   }
6579
6580   // initialize "can_explode" field for old levels which did not store this
6581   // !!! CHECK THIS -- "<= 3,1,0,0" IS PROBABLY WRONG !!!
6582   if (level->game_version <= VERSION_IDENT(3,1,0,0))
6583   {
6584     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6585     {
6586       int element = EL_CUSTOM_START + i;
6587
6588       if (EXPLODES_1X1_OLD(element))
6589         element_info[element].explosion_type = EXPLODES_1X1;
6590
6591       SET_PROPERTY(element, EP_CAN_EXPLODE, (EXPLODES_BY_FIRE(element) ||
6592                                              EXPLODES_SMASHED(element) ||
6593                                              EXPLODES_IMPACT(element)));
6594     }
6595   }
6596
6597   // correct previously hard-coded move delay values for maze runner style
6598   if (level->game_version < VERSION_IDENT(3,1,1,0))
6599   {
6600     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6601     {
6602       int element = EL_CUSTOM_START + i;
6603
6604       if (element_info[element].move_pattern & MV_MAZE_RUNNER_STYLE)
6605       {
6606         // previously hard-coded and therefore ignored
6607         element_info[element].move_delay_fixed = 9;
6608         element_info[element].move_delay_random = 0;
6609       }
6610     }
6611   }
6612
6613   // set some other uninitialized values of custom elements in older levels
6614   if (level->game_version < VERSION_IDENT(3,1,0,0))
6615   {
6616     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6617     {
6618       int element = EL_CUSTOM_START + i;
6619
6620       element_info[element].access_direction = MV_ALL_DIRECTIONS;
6621
6622       element_info[element].explosion_delay = 17;
6623       element_info[element].ignition_delay = 8;
6624     }
6625   }
6626
6627   // set mouse click change events to work for left/middle/right mouse button
6628   if (level->game_version < VERSION_IDENT(4,2,3,0))
6629   {
6630     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6631     {
6632       int element = EL_CUSTOM_START + i;
6633       struct ElementInfo *ei = &element_info[element];
6634
6635       for (j = 0; j < ei->num_change_pages; j++)
6636       {
6637         struct ElementChangeInfo *change = &ei->change_page[j];
6638
6639         if (change->has_event[CE_CLICKED_BY_MOUSE] ||
6640             change->has_event[CE_PRESSED_BY_MOUSE] ||
6641             change->has_event[CE_MOUSE_CLICKED_ON_X] ||
6642             change->has_event[CE_MOUSE_PRESSED_ON_X])
6643           change->trigger_side = CH_SIDE_ANY;
6644       }
6645     }
6646   }
6647 }
6648
6649 static void LoadLevel_InitElements(struct LevelInfo *level)
6650 {
6651   LoadLevel_InitStandardElements(level);
6652
6653   if (level->file_has_custom_elements)
6654     LoadLevel_InitCustomElements(level);
6655
6656   // initialize element properties for level editor etc.
6657   InitElementPropertiesEngine(level->game_version);
6658   InitElementPropertiesGfxElement();
6659 }
6660
6661 static void LoadLevel_InitPlayfield(struct LevelInfo *level)
6662 {
6663   int x, y;
6664
6665   // map elements that have changed in newer versions
6666   for (y = 0; y < level->fieldy; y++)
6667     for (x = 0; x < level->fieldx; x++)
6668       level->field[x][y] = getMappedElementByVersion(level->field[x][y],
6669                                                      level->game_version);
6670
6671   // clear unused playfield data (nicer if level gets resized in editor)
6672   for (x = 0; x < MAX_LEV_FIELDX; x++)
6673     for (y = 0; y < MAX_LEV_FIELDY; y++)
6674       if (x >= level->fieldx || y >= level->fieldy)
6675         level->field[x][y] = EL_EMPTY;
6676
6677   // copy elements to runtime playfield array
6678   for (x = 0; x < MAX_LEV_FIELDX; x++)
6679     for (y = 0; y < MAX_LEV_FIELDY; y++)
6680       Tile[x][y] = level->field[x][y];
6681
6682   // initialize level size variables for faster access
6683   lev_fieldx = level->fieldx;
6684   lev_fieldy = level->fieldy;
6685
6686   // determine border element for this level
6687   if (level->file_info.type == LEVEL_FILE_TYPE_DC)
6688     BorderElement = EL_EMPTY;   // (in editor, SetBorderElement() is used)
6689   else
6690     SetBorderElement();
6691 }
6692
6693 static void LoadLevel_InitNativeEngines(struct LevelInfo *level)
6694 {
6695   struct LevelFileInfo *level_file_info = &level->file_info;
6696
6697   if (level_file_info->type == LEVEL_FILE_TYPE_RND)
6698     CopyNativeLevel_RND_to_Native(level);
6699 }
6700
6701 static void LoadLevelTemplate_LoadAndInit(void)
6702 {
6703   LoadLevelFromFileInfo(&level_template, &level_template.file_info, FALSE);
6704
6705   LoadLevel_InitVersion(&level_template);
6706   LoadLevel_InitElements(&level_template);
6707   LoadLevel_InitSettings(&level_template);
6708
6709   ActivateLevelTemplate();
6710 }
6711
6712 void LoadLevelTemplate(int nr)
6713 {
6714   if (!fileExists(getGlobalLevelTemplateFilename()))
6715   {
6716     Warn("no level template found for this level");
6717
6718     return;
6719   }
6720
6721   setLevelFileInfo(&level_template.file_info, nr);
6722
6723   LoadLevelTemplate_LoadAndInit();
6724 }
6725
6726 static void LoadNetworkLevelTemplate(struct NetworkLevelInfo *network_level)
6727 {
6728   copyLevelFileInfo(&network_level->tmpl_info, &level_template.file_info);
6729
6730   LoadLevelTemplate_LoadAndInit();
6731 }
6732
6733 static void LoadLevel_LoadAndInit(struct NetworkLevelInfo *network_level)
6734 {
6735   LoadLevelFromFileInfo(&level, &level.file_info, FALSE);
6736
6737   if (level.use_custom_template)
6738   {
6739     if (network_level != NULL)
6740       LoadNetworkLevelTemplate(network_level);
6741     else
6742       LoadLevelTemplate(-1);
6743   }
6744
6745   LoadLevel_InitVersion(&level);
6746   LoadLevel_InitElements(&level);
6747   LoadLevel_InitPlayfield(&level);
6748   LoadLevel_InitSettings(&level);
6749
6750   LoadLevel_InitNativeEngines(&level);
6751 }
6752
6753 void LoadLevel(int nr)
6754 {
6755   SetLevelSetInfo(leveldir_current->identifier, nr);
6756
6757   setLevelFileInfo(&level.file_info, nr);
6758
6759   LoadLevel_LoadAndInit(NULL);
6760 }
6761
6762 void LoadLevelInfoOnly(int nr)
6763 {
6764   setLevelFileInfo(&level.file_info, nr);
6765
6766   LoadLevelFromFileInfo(&level, &level.file_info, TRUE);
6767 }
6768
6769 void LoadNetworkLevel(struct NetworkLevelInfo *network_level)
6770 {
6771   SetLevelSetInfo(network_level->leveldir_identifier,
6772                   network_level->file_info.nr);
6773
6774   copyLevelFileInfo(&network_level->file_info, &level.file_info);
6775
6776   LoadLevel_LoadAndInit(network_level);
6777 }
6778
6779 static int SaveLevel_VERS(FILE *file, struct LevelInfo *level)
6780 {
6781   int chunk_size = 0;
6782
6783   chunk_size += putFileVersion(file, level->file_version);
6784   chunk_size += putFileVersion(file, level->game_version);
6785
6786   return chunk_size;
6787 }
6788
6789 static int SaveLevel_DATE(FILE *file, struct LevelInfo *level)
6790 {
6791   int chunk_size = 0;
6792
6793   chunk_size += putFile16BitBE(file, level->creation_date.year);
6794   chunk_size += putFile8Bit(file,    level->creation_date.month);
6795   chunk_size += putFile8Bit(file,    level->creation_date.day);
6796
6797   return chunk_size;
6798 }
6799
6800 #if ENABLE_HISTORIC_CHUNKS
6801 static void SaveLevel_HEAD(FILE *file, struct LevelInfo *level)
6802 {
6803   int i, x, y;
6804
6805   putFile8Bit(file, level->fieldx);
6806   putFile8Bit(file, level->fieldy);
6807
6808   putFile16BitBE(file, level->time);
6809   putFile16BitBE(file, level->gems_needed);
6810
6811   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
6812     putFile8Bit(file, level->name[i]);
6813
6814   for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
6815     putFile8Bit(file, level->score[i]);
6816
6817   for (i = 0; i < STD_ELEMENT_CONTENTS; i++)
6818     for (y = 0; y < 3; y++)
6819       for (x = 0; x < 3; x++)
6820         putFile8Bit(file, (level->encoding_16bit_yamyam ? EL_EMPTY :
6821                            level->yamyam_content[i].e[x][y]));
6822   putFile8Bit(file, level->amoeba_speed);
6823   putFile8Bit(file, level->time_magic_wall);
6824   putFile8Bit(file, level->time_wheel);
6825   putFile8Bit(file, (level->encoding_16bit_amoeba ? EL_EMPTY :
6826                      level->amoeba_content));
6827   putFile8Bit(file, (level->initial_player_stepsize == STEPSIZE_FAST ? 1 : 0));
6828   putFile8Bit(file, (level->initial_gravity ? 1 : 0));
6829   putFile8Bit(file, (level->encoding_16bit_field ? 1 : 0));
6830   putFile8Bit(file, (level->em_slippery_gems ? 1 : 0));
6831
6832   putFile8Bit(file, (level->use_custom_template ? 1 : 0));
6833
6834   putFile8Bit(file, (level->block_last_field ? 1 : 0));
6835   putFile8Bit(file, (level->sp_block_last_field ? 1 : 0));
6836   putFile32BitBE(file, level->can_move_into_acid_bits);
6837   putFile8Bit(file, level->dont_collide_with_bits);
6838
6839   putFile8Bit(file, (level->use_spring_bug ? 1 : 0));
6840   putFile8Bit(file, (level->use_step_counter ? 1 : 0));
6841
6842   putFile8Bit(file, (level->instant_relocation ? 1 : 0));
6843   putFile8Bit(file, (level->can_pass_to_walkable ? 1 : 0));
6844   putFile8Bit(file, (level->grow_into_diggable ? 1 : 0));
6845
6846   putFile8Bit(file, level->game_engine_type);
6847
6848   WriteUnusedBytesToFile(file, LEVEL_CHUNK_HEAD_UNUSED);
6849 }
6850 #endif
6851
6852 static int SaveLevel_NAME(FILE *file, struct LevelInfo *level)
6853 {
6854   int chunk_size = 0;
6855   int i;
6856
6857   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
6858     chunk_size += putFile8Bit(file, level->name[i]);
6859
6860   return chunk_size;
6861 }
6862
6863 static int SaveLevel_AUTH(FILE *file, struct LevelInfo *level)
6864 {
6865   int chunk_size = 0;
6866   int i;
6867
6868   for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++)
6869     chunk_size += putFile8Bit(file, level->author[i]);
6870
6871   return chunk_size;
6872 }
6873
6874 #if ENABLE_HISTORIC_CHUNKS
6875 static int SaveLevel_BODY(FILE *file, struct LevelInfo *level)
6876 {
6877   int chunk_size = 0;
6878   int x, y;
6879
6880   for (y = 0; y < level->fieldy; y++)
6881     for (x = 0; x < level->fieldx; x++)
6882       if (level->encoding_16bit_field)
6883         chunk_size += putFile16BitBE(file, level->field[x][y]);
6884       else
6885         chunk_size += putFile8Bit(file, level->field[x][y]);
6886
6887   return chunk_size;
6888 }
6889 #endif
6890
6891 static int SaveLevel_BODY(FILE *file, struct LevelInfo *level)
6892 {
6893   int chunk_size = 0;
6894   int x, y;
6895
6896   for (y = 0; y < level->fieldy; y++)
6897     for (x = 0; x < level->fieldx; x++)
6898       chunk_size += putFile16BitBE(file, level->field[x][y]);
6899
6900   return chunk_size;
6901 }
6902
6903 #if ENABLE_HISTORIC_CHUNKS
6904 static void SaveLevel_CONT(FILE *file, struct LevelInfo *level)
6905 {
6906   int i, x, y;
6907
6908   putFile8Bit(file, EL_YAMYAM);
6909   putFile8Bit(file, level->num_yamyam_contents);
6910   putFile8Bit(file, 0);
6911   putFile8Bit(file, 0);
6912
6913   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6914     for (y = 0; y < 3; y++)
6915       for (x = 0; x < 3; x++)
6916         if (level->encoding_16bit_field)
6917           putFile16BitBE(file, level->yamyam_content[i].e[x][y]);
6918         else
6919           putFile8Bit(file, level->yamyam_content[i].e[x][y]);
6920 }
6921 #endif
6922
6923 #if ENABLE_HISTORIC_CHUNKS
6924 static void SaveLevel_CNT2(FILE *file, struct LevelInfo *level, int element)
6925 {
6926   int i, x, y;
6927   int num_contents, content_xsize, content_ysize;
6928   int content_array[MAX_ELEMENT_CONTENTS][3][3];
6929
6930   if (element == EL_YAMYAM)
6931   {
6932     num_contents = level->num_yamyam_contents;
6933     content_xsize = 3;
6934     content_ysize = 3;
6935
6936     for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6937       for (y = 0; y < 3; y++)
6938         for (x = 0; x < 3; x++)
6939           content_array[i][x][y] = level->yamyam_content[i].e[x][y];
6940   }
6941   else if (element == EL_BD_AMOEBA)
6942   {
6943     num_contents = 1;
6944     content_xsize = 1;
6945     content_ysize = 1;
6946
6947     for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6948       for (y = 0; y < 3; y++)
6949         for (x = 0; x < 3; x++)
6950           content_array[i][x][y] = EL_EMPTY;
6951     content_array[0][0][0] = level->amoeba_content;
6952   }
6953   else
6954   {
6955     // chunk header already written -- write empty chunk data
6956     WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT2_SIZE);
6957
6958     Warn("cannot save content for element '%d'", element);
6959
6960     return;
6961   }
6962
6963   putFile16BitBE(file, element);
6964   putFile8Bit(file, num_contents);
6965   putFile8Bit(file, content_xsize);
6966   putFile8Bit(file, content_ysize);
6967
6968   WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT2_UNUSED);
6969
6970   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6971     for (y = 0; y < 3; y++)
6972       for (x = 0; x < 3; x++)
6973         putFile16BitBE(file, content_array[i][x][y]);
6974 }
6975 #endif
6976
6977 #if ENABLE_HISTORIC_CHUNKS
6978 static int SaveLevel_CNT3(FILE *file, struct LevelInfo *level, int element)
6979 {
6980   int envelope_nr = element - EL_ENVELOPE_1;
6981   int envelope_len = strlen(level->envelope_text[envelope_nr]) + 1;
6982   int chunk_size = 0;
6983   int i;
6984
6985   chunk_size += putFile16BitBE(file, element);
6986   chunk_size += putFile16BitBE(file, envelope_len);
6987   chunk_size += putFile8Bit(file, level->envelope_xsize[envelope_nr]);
6988   chunk_size += putFile8Bit(file, level->envelope_ysize[envelope_nr]);
6989
6990   WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT3_UNUSED);
6991   chunk_size += LEVEL_CHUNK_CNT3_UNUSED;
6992
6993   for (i = 0; i < envelope_len; i++)
6994     chunk_size += putFile8Bit(file, level->envelope_text[envelope_nr][i]);
6995
6996   return chunk_size;
6997 }
6998 #endif
6999
7000 #if ENABLE_HISTORIC_CHUNKS
7001 static void SaveLevel_CUS1(FILE *file, struct LevelInfo *level,
7002                            int num_changed_custom_elements)
7003 {
7004   int i, check = 0;
7005
7006   putFile16BitBE(file, num_changed_custom_elements);
7007
7008   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
7009   {
7010     int element = EL_CUSTOM_START + i;
7011
7012     struct ElementInfo *ei = &element_info[element];
7013
7014     if (ei->properties[EP_BITFIELD_BASE_NR] != EP_BITMASK_DEFAULT)
7015     {
7016       if (check < num_changed_custom_elements)
7017       {
7018         putFile16BitBE(file, element);
7019         putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
7020       }
7021
7022       check++;
7023     }
7024   }
7025
7026   if (check != num_changed_custom_elements)     // should not happen
7027     Warn("inconsistent number of custom element properties");
7028 }
7029 #endif
7030
7031 #if ENABLE_HISTORIC_CHUNKS
7032 static void SaveLevel_CUS2(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     if (element_info[element].change->target_element != EL_EMPTY_SPACE)
7044     {
7045       if (check < num_changed_custom_elements)
7046       {
7047         putFile16BitBE(file, element);
7048         putFile16BitBE(file, element_info[element].change->target_element);
7049       }
7050
7051       check++;
7052     }
7053   }
7054
7055   if (check != num_changed_custom_elements)     // should not happen
7056     Warn("inconsistent number of custom target elements");
7057 }
7058 #endif
7059
7060 #if ENABLE_HISTORIC_CHUNKS
7061 static void SaveLevel_CUS3(FILE *file, struct LevelInfo *level,
7062                            int num_changed_custom_elements)
7063 {
7064   int i, j, x, y, check = 0;
7065
7066   putFile16BitBE(file, num_changed_custom_elements);
7067
7068   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
7069   {
7070     int element = EL_CUSTOM_START + i;
7071     struct ElementInfo *ei = &element_info[element];
7072
7073     if (ei->modified_settings)
7074     {
7075       if (check < num_changed_custom_elements)
7076       {
7077         putFile16BitBE(file, element);
7078
7079         for (j = 0; j < MAX_ELEMENT_NAME_LEN; j++)
7080           putFile8Bit(file, ei->description[j]);
7081
7082         putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
7083
7084         // some free bytes for future properties and padding
7085         WriteUnusedBytesToFile(file, 7);
7086
7087         putFile8Bit(file, ei->use_gfx_element);
7088         putFile16BitBE(file, ei->gfx_element_initial);
7089
7090         putFile8Bit(file, ei->collect_score_initial);
7091         putFile8Bit(file, ei->collect_count_initial);
7092
7093         putFile16BitBE(file, ei->push_delay_fixed);
7094         putFile16BitBE(file, ei->push_delay_random);
7095         putFile16BitBE(file, ei->move_delay_fixed);
7096         putFile16BitBE(file, ei->move_delay_random);
7097
7098         putFile16BitBE(file, ei->move_pattern);
7099         putFile8Bit(file, ei->move_direction_initial);
7100         putFile8Bit(file, ei->move_stepsize);
7101
7102         for (y = 0; y < 3; y++)
7103           for (x = 0; x < 3; x++)
7104             putFile16BitBE(file, ei->content.e[x][y]);
7105
7106         putFile32BitBE(file, ei->change->events);
7107
7108         putFile16BitBE(file, ei->change->target_element);
7109
7110         putFile16BitBE(file, ei->change->delay_fixed);
7111         putFile16BitBE(file, ei->change->delay_random);
7112         putFile16BitBE(file, ei->change->delay_frames);
7113
7114         putFile16BitBE(file, ei->change->initial_trigger_element);
7115
7116         putFile8Bit(file, ei->change->explode);
7117         putFile8Bit(file, ei->change->use_target_content);
7118         putFile8Bit(file, ei->change->only_if_complete);
7119         putFile8Bit(file, ei->change->use_random_replace);
7120
7121         putFile8Bit(file, ei->change->random_percentage);
7122         putFile8Bit(file, ei->change->replace_when);
7123
7124         for (y = 0; y < 3; y++)
7125           for (x = 0; x < 3; x++)
7126             putFile16BitBE(file, ei->change->content.e[x][y]);
7127
7128         putFile8Bit(file, ei->slippery_type);
7129
7130         // some free bytes for future properties and padding
7131         WriteUnusedBytesToFile(file, LEVEL_CPART_CUS3_UNUSED);
7132       }
7133
7134       check++;
7135     }
7136   }
7137
7138   if (check != num_changed_custom_elements)     // should not happen
7139     Warn("inconsistent number of custom element properties");
7140 }
7141 #endif
7142
7143 #if ENABLE_HISTORIC_CHUNKS
7144 static void SaveLevel_CUS4(FILE *file, struct LevelInfo *level, int element)
7145 {
7146   struct ElementInfo *ei = &element_info[element];
7147   int i, j, x, y;
7148
7149   // ---------- custom element base property values (96 bytes) ----------------
7150
7151   putFile16BitBE(file, element);
7152
7153   for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
7154     putFile8Bit(file, ei->description[i]);
7155
7156   putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
7157
7158   WriteUnusedBytesToFile(file, 4);      // reserved for more base properties
7159
7160   putFile8Bit(file, ei->num_change_pages);
7161
7162   putFile16BitBE(file, ei->ce_value_fixed_initial);
7163   putFile16BitBE(file, ei->ce_value_random_initial);
7164   putFile8Bit(file, ei->use_last_ce_value);
7165
7166   putFile8Bit(file, ei->use_gfx_element);
7167   putFile16BitBE(file, ei->gfx_element_initial);
7168
7169   putFile8Bit(file, ei->collect_score_initial);
7170   putFile8Bit(file, ei->collect_count_initial);
7171
7172   putFile8Bit(file, ei->drop_delay_fixed);
7173   putFile8Bit(file, ei->push_delay_fixed);
7174   putFile8Bit(file, ei->drop_delay_random);
7175   putFile8Bit(file, ei->push_delay_random);
7176   putFile16BitBE(file, ei->move_delay_fixed);
7177   putFile16BitBE(file, ei->move_delay_random);
7178
7179   // bits 0 - 15 of "move_pattern" ...
7180   putFile16BitBE(file, ei->move_pattern & 0xffff);
7181   putFile8Bit(file, ei->move_direction_initial);
7182   putFile8Bit(file, ei->move_stepsize);
7183
7184   putFile8Bit(file, ei->slippery_type);
7185
7186   for (y = 0; y < 3; y++)
7187     for (x = 0; x < 3; x++)
7188       putFile16BitBE(file, ei->content.e[x][y]);
7189
7190   putFile16BitBE(file, ei->move_enter_element);
7191   putFile16BitBE(file, ei->move_leave_element);
7192   putFile8Bit(file, ei->move_leave_type);
7193
7194   // ... bits 16 - 31 of "move_pattern" (not nice, but downward compatible)
7195   putFile16BitBE(file, (ei->move_pattern >> 16) & 0xffff);
7196
7197   putFile8Bit(file, ei->access_direction);
7198
7199   putFile8Bit(file, ei->explosion_delay);
7200   putFile8Bit(file, ei->ignition_delay);
7201   putFile8Bit(file, ei->explosion_type);
7202
7203   // some free bytes for future custom property values and padding
7204   WriteUnusedBytesToFile(file, 1);
7205
7206   // ---------- change page property values (48 bytes) ------------------------
7207
7208   for (i = 0; i < ei->num_change_pages; i++)
7209   {
7210     struct ElementChangeInfo *change = &ei->change_page[i];
7211     unsigned int event_bits;
7212
7213     // bits 0 - 31 of "has_event[]" ...
7214     event_bits = 0;
7215     for (j = 0; j < MIN(NUM_CHANGE_EVENTS, 32); j++)
7216       if (change->has_event[j])
7217         event_bits |= (1 << j);
7218     putFile32BitBE(file, event_bits);
7219
7220     putFile16BitBE(file, change->target_element);
7221
7222     putFile16BitBE(file, change->delay_fixed);
7223     putFile16BitBE(file, change->delay_random);
7224     putFile16BitBE(file, change->delay_frames);
7225
7226     putFile16BitBE(file, change->initial_trigger_element);
7227
7228     putFile8Bit(file, change->explode);
7229     putFile8Bit(file, change->use_target_content);
7230     putFile8Bit(file, change->only_if_complete);
7231     putFile8Bit(file, change->use_random_replace);
7232
7233     putFile8Bit(file, change->random_percentage);
7234     putFile8Bit(file, change->replace_when);
7235
7236     for (y = 0; y < 3; y++)
7237       for (x = 0; x < 3; x++)
7238         putFile16BitBE(file, change->target_content.e[x][y]);
7239
7240     putFile8Bit(file, change->can_change);
7241
7242     putFile8Bit(file, change->trigger_side);
7243
7244     putFile8Bit(file, change->trigger_player);
7245     putFile8Bit(file, (change->trigger_page == CH_PAGE_ANY ? CH_PAGE_ANY_FILE :
7246                        log_2(change->trigger_page)));
7247
7248     putFile8Bit(file, change->has_action);
7249     putFile8Bit(file, change->action_type);
7250     putFile8Bit(file, change->action_mode);
7251     putFile16BitBE(file, change->action_arg);
7252
7253     // ... bits 32 - 39 of "has_event[]" (not nice, but downward compatible)
7254     event_bits = 0;
7255     for (j = 32; j < NUM_CHANGE_EVENTS; j++)
7256       if (change->has_event[j])
7257         event_bits |= (1 << (j - 32));
7258     putFile8Bit(file, event_bits);
7259   }
7260 }
7261 #endif
7262
7263 #if ENABLE_HISTORIC_CHUNKS
7264 static void SaveLevel_GRP1(FILE *file, struct LevelInfo *level, int element)
7265 {
7266   struct ElementInfo *ei = &element_info[element];
7267   struct ElementGroupInfo *group = ei->group;
7268   int i;
7269
7270   putFile16BitBE(file, element);
7271
7272   for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
7273     putFile8Bit(file, ei->description[i]);
7274
7275   putFile8Bit(file, group->num_elements);
7276
7277   putFile8Bit(file, ei->use_gfx_element);
7278   putFile16BitBE(file, ei->gfx_element_initial);
7279
7280   putFile8Bit(file, group->choice_mode);
7281
7282   // some free bytes for future values and padding
7283   WriteUnusedBytesToFile(file, 3);
7284
7285   for (i = 0; i < MAX_ELEMENTS_IN_GROUP; i++)
7286     putFile16BitBE(file, group->element[i]);
7287 }
7288 #endif
7289
7290 static int SaveLevel_MicroChunk(FILE *file, struct LevelFileConfigInfo *entry,
7291                                 boolean write_element)
7292 {
7293   int save_type = entry->save_type;
7294   int data_type = entry->data_type;
7295   int conf_type = entry->conf_type;
7296   int byte_mask = conf_type & CONF_MASK_BYTES;
7297   int element = entry->element;
7298   int default_value = entry->default_value;
7299   int num_bytes = 0;
7300   boolean modified = FALSE;
7301
7302   if (byte_mask != CONF_MASK_MULTI_BYTES)
7303   {
7304     void *value_ptr = entry->value;
7305     int value = (data_type == TYPE_BOOLEAN ? *(boolean *)value_ptr :
7306                  *(int *)value_ptr);
7307
7308     // check if any settings have been modified before saving them
7309     if (value != default_value)
7310       modified = TRUE;
7311
7312     // do not save if explicitly told or if unmodified default settings
7313     if ((save_type == SAVE_CONF_NEVER) ||
7314         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7315       return 0;
7316
7317     if (write_element)
7318       num_bytes += putFile16BitBE(file, element);
7319
7320     num_bytes += putFile8Bit(file, conf_type);
7321     num_bytes += (byte_mask == CONF_MASK_1_BYTE ? putFile8Bit   (file, value) :
7322                   byte_mask == CONF_MASK_2_BYTE ? putFile16BitBE(file, value) :
7323                   byte_mask == CONF_MASK_4_BYTE ? putFile32BitBE(file, value) :
7324                   0);
7325   }
7326   else if (data_type == TYPE_STRING)
7327   {
7328     char *default_string = entry->default_string;
7329     char *string = (char *)(entry->value);
7330     int string_length = strlen(string);
7331     int i;
7332
7333     // check if any settings have been modified before saving them
7334     if (!strEqual(string, default_string))
7335       modified = TRUE;
7336
7337     // do not save if explicitly told or if unmodified default settings
7338     if ((save_type == SAVE_CONF_NEVER) ||
7339         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7340       return 0;
7341
7342     if (write_element)
7343       num_bytes += putFile16BitBE(file, element);
7344
7345     num_bytes += putFile8Bit(file, conf_type);
7346     num_bytes += putFile16BitBE(file, string_length);
7347
7348     for (i = 0; i < string_length; i++)
7349       num_bytes += putFile8Bit(file, string[i]);
7350   }
7351   else if (data_type == TYPE_ELEMENT_LIST)
7352   {
7353     int *element_array = (int *)(entry->value);
7354     int num_elements = *(int *)(entry->num_entities);
7355     int i;
7356
7357     // check if any settings have been modified before saving them
7358     for (i = 0; i < num_elements; i++)
7359       if (element_array[i] != default_value)
7360         modified = TRUE;
7361
7362     // do not save if explicitly told or if unmodified default settings
7363     if ((save_type == SAVE_CONF_NEVER) ||
7364         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7365       return 0;
7366
7367     if (write_element)
7368       num_bytes += putFile16BitBE(file, element);
7369
7370     num_bytes += putFile8Bit(file, conf_type);
7371     num_bytes += putFile16BitBE(file, num_elements * CONF_ELEMENT_NUM_BYTES);
7372
7373     for (i = 0; i < num_elements; i++)
7374       num_bytes += putFile16BitBE(file, element_array[i]);
7375   }
7376   else if (data_type == TYPE_CONTENT_LIST)
7377   {
7378     struct Content *content = (struct Content *)(entry->value);
7379     int num_contents = *(int *)(entry->num_entities);
7380     int i, x, y;
7381
7382     // check if any settings have been modified before saving them
7383     for (i = 0; i < num_contents; i++)
7384       for (y = 0; y < 3; y++)
7385         for (x = 0; x < 3; x++)
7386           if (content[i].e[x][y] != default_value)
7387             modified = TRUE;
7388
7389     // do not save if explicitly told or if unmodified default settings
7390     if ((save_type == SAVE_CONF_NEVER) ||
7391         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7392       return 0;
7393
7394     if (write_element)
7395       num_bytes += putFile16BitBE(file, element);
7396
7397     num_bytes += putFile8Bit(file, conf_type);
7398     num_bytes += putFile16BitBE(file, num_contents * CONF_CONTENT_NUM_BYTES);
7399
7400     for (i = 0; i < num_contents; i++)
7401       for (y = 0; y < 3; y++)
7402         for (x = 0; x < 3; x++)
7403           num_bytes += putFile16BitBE(file, content[i].e[x][y]);
7404   }
7405
7406   return num_bytes;
7407 }
7408
7409 static int SaveLevel_INFO(FILE *file, struct LevelInfo *level)
7410 {
7411   int chunk_size = 0;
7412   int i;
7413
7414   li = *level;          // copy level data into temporary buffer
7415
7416   for (i = 0; chunk_config_INFO[i].data_type != -1; i++)
7417     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_INFO[i], FALSE);
7418
7419   return chunk_size;
7420 }
7421
7422 static int SaveLevel_ELEM(FILE *file, struct LevelInfo *level)
7423 {
7424   int chunk_size = 0;
7425   int i;
7426
7427   li = *level;          // copy level data into temporary buffer
7428
7429   for (i = 0; chunk_config_ELEM[i].data_type != -1; i++)
7430     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_ELEM[i], TRUE);
7431
7432   return chunk_size;
7433 }
7434
7435 static int SaveLevel_NOTE(FILE *file, struct LevelInfo *level, int element)
7436 {
7437   int envelope_nr = element - EL_ENVELOPE_1;
7438   int chunk_size = 0;
7439   int i;
7440
7441   chunk_size += putFile16BitBE(file, element);
7442
7443   // copy envelope data into temporary buffer
7444   xx_envelope = level->envelope[envelope_nr];
7445
7446   for (i = 0; chunk_config_NOTE[i].data_type != -1; i++)
7447     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_NOTE[i], FALSE);
7448
7449   return chunk_size;
7450 }
7451
7452 static int SaveLevel_CUSX(FILE *file, struct LevelInfo *level, int element)
7453 {
7454   struct ElementInfo *ei = &element_info[element];
7455   int chunk_size = 0;
7456   int i, j;
7457
7458   chunk_size += putFile16BitBE(file, element);
7459
7460   xx_ei = *ei;          // copy element data into temporary buffer
7461
7462   // set default description string for this specific element
7463   strcpy(xx_default_description, getDefaultElementDescription(ei));
7464
7465   for (i = 0; chunk_config_CUSX_base[i].data_type != -1; i++)
7466     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_CUSX_base[i], FALSE);
7467
7468   for (i = 0; i < ei->num_change_pages; i++)
7469   {
7470     struct ElementChangeInfo *change = &ei->change_page[i];
7471
7472     xx_current_change_page = i;
7473
7474     xx_change = *change;        // copy change data into temporary buffer
7475
7476     resetEventBits();
7477     setEventBitsFromEventFlags(change);
7478
7479     for (j = 0; chunk_config_CUSX_change[j].data_type != -1; j++)
7480       chunk_size += SaveLevel_MicroChunk(file, &chunk_config_CUSX_change[j],
7481                                          FALSE);
7482   }
7483
7484   return chunk_size;
7485 }
7486
7487 static int SaveLevel_GRPX(FILE *file, struct LevelInfo *level, int element)
7488 {
7489   struct ElementInfo *ei = &element_info[element];
7490   struct ElementGroupInfo *group = ei->group;
7491   int chunk_size = 0;
7492   int i;
7493
7494   chunk_size += putFile16BitBE(file, element);
7495
7496   xx_ei = *ei;          // copy element data into temporary buffer
7497   xx_group = *group;    // copy group data into temporary buffer
7498
7499   // set default description string for this specific element
7500   strcpy(xx_default_description, getDefaultElementDescription(ei));
7501
7502   for (i = 0; chunk_config_GRPX[i].data_type != -1; i++)
7503     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_GRPX[i], FALSE);
7504
7505   return chunk_size;
7506 }
7507
7508 static void SaveLevelFromFilename(struct LevelInfo *level, char *filename,
7509                                   boolean save_as_template)
7510 {
7511   int chunk_size;
7512   int i;
7513   FILE *file;
7514
7515   if (!(file = fopen(filename, MODE_WRITE)))
7516   {
7517     Warn("cannot save level file '%s'", filename);
7518
7519     return;
7520   }
7521
7522   level->file_version = FILE_VERSION_ACTUAL;
7523   level->game_version = GAME_VERSION_ACTUAL;
7524
7525   level->creation_date = getCurrentDate();
7526
7527   putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
7528   putFileChunkBE(file, "CAVE", CHUNK_SIZE_NONE);
7529
7530   chunk_size = SaveLevel_VERS(NULL, level);
7531   putFileChunkBE(file, "VERS", chunk_size);
7532   SaveLevel_VERS(file, level);
7533
7534   chunk_size = SaveLevel_DATE(NULL, level);
7535   putFileChunkBE(file, "DATE", chunk_size);
7536   SaveLevel_DATE(file, level);
7537
7538   chunk_size = SaveLevel_NAME(NULL, level);
7539   putFileChunkBE(file, "NAME", chunk_size);
7540   SaveLevel_NAME(file, level);
7541
7542   chunk_size = SaveLevel_AUTH(NULL, level);
7543   putFileChunkBE(file, "AUTH", chunk_size);
7544   SaveLevel_AUTH(file, level);
7545
7546   chunk_size = SaveLevel_INFO(NULL, level);
7547   putFileChunkBE(file, "INFO", chunk_size);
7548   SaveLevel_INFO(file, level);
7549
7550   chunk_size = SaveLevel_BODY(NULL, level);
7551   putFileChunkBE(file, "BODY", chunk_size);
7552   SaveLevel_BODY(file, level);
7553
7554   chunk_size = SaveLevel_ELEM(NULL, level);
7555   if (chunk_size > LEVEL_CHUNK_ELEM_UNCHANGED)          // save if changed
7556   {
7557     putFileChunkBE(file, "ELEM", chunk_size);
7558     SaveLevel_ELEM(file, level);
7559   }
7560
7561   for (i = 0; i < NUM_ENVELOPES; i++)
7562   {
7563     int element = EL_ENVELOPE_1 + i;
7564
7565     chunk_size = SaveLevel_NOTE(NULL, level, element);
7566     if (chunk_size > LEVEL_CHUNK_NOTE_UNCHANGED)        // save if changed
7567     {
7568       putFileChunkBE(file, "NOTE", chunk_size);
7569       SaveLevel_NOTE(file, level, element);
7570     }
7571   }
7572
7573   // if not using template level, check for non-default custom/group elements
7574   if (!level->use_custom_template || save_as_template)
7575   {
7576     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
7577     {
7578       int element = EL_CUSTOM_START + i;
7579
7580       chunk_size = SaveLevel_CUSX(NULL, level, element);
7581       if (chunk_size > LEVEL_CHUNK_CUSX_UNCHANGED)      // save if changed
7582       {
7583         putFileChunkBE(file, "CUSX", chunk_size);
7584         SaveLevel_CUSX(file, level, element);
7585       }
7586     }
7587
7588     for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
7589     {
7590       int element = EL_GROUP_START + i;
7591
7592       chunk_size = SaveLevel_GRPX(NULL, level, element);
7593       if (chunk_size > LEVEL_CHUNK_GRPX_UNCHANGED)      // save if changed
7594       {
7595         putFileChunkBE(file, "GRPX", chunk_size);
7596         SaveLevel_GRPX(file, level, element);
7597       }
7598     }
7599   }
7600
7601   fclose(file);
7602
7603   SetFilePermissions(filename, PERMS_PRIVATE);
7604 }
7605
7606 void SaveLevel(int nr)
7607 {
7608   char *filename = getDefaultLevelFilename(nr);
7609
7610   SaveLevelFromFilename(&level, filename, FALSE);
7611 }
7612
7613 void SaveLevelTemplate(void)
7614 {
7615   char *filename = getLocalLevelTemplateFilename();
7616
7617   SaveLevelFromFilename(&level, filename, TRUE);
7618 }
7619
7620 boolean SaveLevelChecked(int nr)
7621 {
7622   char *filename = getDefaultLevelFilename(nr);
7623   boolean new_level = !fileExists(filename);
7624   boolean level_saved = FALSE;
7625
7626   if (new_level || Request("Save this level and kill the old?", REQ_ASK))
7627   {
7628     SaveLevel(nr);
7629
7630     if (new_level)
7631       Request("Level saved!", REQ_CONFIRM);
7632
7633     level_saved = TRUE;
7634   }
7635
7636   return level_saved;
7637 }
7638
7639 void DumpLevel(struct LevelInfo *level)
7640 {
7641   if (level->no_level_file || level->no_valid_file)
7642   {
7643     Warn("cannot dump -- no valid level file found");
7644
7645     return;
7646   }
7647
7648   PrintLine("-", 79);
7649   Print("Level xxx (file version %08d, game version %08d)\n",
7650         level->file_version, level->game_version);
7651   PrintLine("-", 79);
7652
7653   Print("Level author: '%s'\n", level->author);
7654   Print("Level title:  '%s'\n", level->name);
7655   Print("\n");
7656   Print("Playfield size: %d x %d\n", level->fieldx, level->fieldy);
7657   Print("\n");
7658   Print("Level time:  %d seconds\n", level->time);
7659   Print("Gems needed: %d\n", level->gems_needed);
7660   Print("\n");
7661   Print("Time for magic wall: %d seconds\n", level->time_magic_wall);
7662   Print("Time for wheel:      %d seconds\n", level->time_wheel);
7663   Print("Time for light:      %d seconds\n", level->time_light);
7664   Print("Time for timegate:   %d seconds\n", level->time_timegate);
7665   Print("\n");
7666   Print("Amoeba speed: %d\n", level->amoeba_speed);
7667   Print("\n");
7668
7669   Print("EM style slippery gems:      %s\n", (level->em_slippery_gems ? "yes" : "no"));
7670   Print("Player blocks last field:    %s\n", (level->block_last_field ? "yes" : "no"));
7671   Print("SP player blocks last field: %s\n", (level->sp_block_last_field ? "yes" : "no"));
7672   Print("use spring bug: %s\n", (level->use_spring_bug ? "yes" : "no"));
7673   Print("use step counter: %s\n", (level->use_step_counter ? "yes" : "no"));
7674   Print("rate time over score: %s\n", (level->rate_time_over_score ? "yes" : "no"));
7675
7676   PrintLine("-", 79);
7677 }
7678
7679 void DumpLevels(void)
7680 {
7681   static LevelDirTree *dumplevel_leveldir = NULL;
7682
7683   dumplevel_leveldir = getTreeInfoFromIdentifier(leveldir_first,
7684                                                  global.dumplevel_leveldir);
7685
7686   if (dumplevel_leveldir == NULL)
7687     Fail("no such level identifier: '%s'", global.dumplevel_leveldir);
7688
7689   if (global.dumplevel_level_nr < dumplevel_leveldir->first_level ||
7690       global.dumplevel_level_nr > dumplevel_leveldir->last_level)
7691     Fail("no such level number: %d", global.dumplevel_level_nr);
7692
7693   leveldir_current = dumplevel_leveldir;
7694
7695   LoadLevel(global.dumplevel_level_nr);
7696   DumpLevel(&level);
7697
7698   CloseAllAndExit(0);
7699 }
7700
7701
7702 // ============================================================================
7703 // tape file functions
7704 // ============================================================================
7705
7706 static void setTapeInfoToDefaults(void)
7707 {
7708   int i;
7709
7710   // always start with reliable default values (empty tape)
7711   TapeErase();
7712
7713   // default values (also for pre-1.2 tapes) with only the first player
7714   tape.player_participates[0] = TRUE;
7715   for (i = 1; i < MAX_PLAYERS; i++)
7716     tape.player_participates[i] = FALSE;
7717
7718   // at least one (default: the first) player participates in every tape
7719   tape.num_participating_players = 1;
7720
7721   tape.property_bits = TAPE_PROPERTY_NONE;
7722
7723   tape.level_nr = level_nr;
7724   tape.counter = 0;
7725   tape.changed = FALSE;
7726
7727   tape.recording = FALSE;
7728   tape.playing = FALSE;
7729   tape.pausing = FALSE;
7730
7731   tape.scr_fieldx = SCR_FIELDX_DEFAULT;
7732   tape.scr_fieldy = SCR_FIELDY_DEFAULT;
7733
7734   tape.no_valid_file = FALSE;
7735 }
7736
7737 static int getTapePosSize(struct TapeInfo *tape)
7738 {
7739   int tape_pos_size = 0;
7740
7741   if (tape->use_key_actions)
7742     tape_pos_size += tape->num_participating_players;
7743
7744   if (tape->use_mouse_actions)
7745     tape_pos_size += 3;         // x and y position and mouse button mask
7746
7747   tape_pos_size += 1;           // tape action delay value
7748
7749   return tape_pos_size;
7750 }
7751
7752 static void setTapeActionFlags(struct TapeInfo *tape, int value)
7753 {
7754   tape->use_key_actions = FALSE;
7755   tape->use_mouse_actions = FALSE;
7756
7757   if (value != TAPE_USE_MOUSE_ACTIONS_ONLY)
7758     tape->use_key_actions = TRUE;
7759
7760   if (value != TAPE_USE_KEY_ACTIONS_ONLY)
7761     tape->use_mouse_actions = TRUE;
7762 }
7763
7764 static int getTapeActionValue(struct TapeInfo *tape)
7765 {
7766   return (tape->use_key_actions &&
7767           tape->use_mouse_actions ? TAPE_USE_KEY_AND_MOUSE_ACTIONS :
7768           tape->use_key_actions   ? TAPE_USE_KEY_ACTIONS_ONLY :
7769           tape->use_mouse_actions ? TAPE_USE_MOUSE_ACTIONS_ONLY :
7770           TAPE_ACTIONS_DEFAULT);
7771 }
7772
7773 static int LoadTape_VERS(File *file, int chunk_size, struct TapeInfo *tape)
7774 {
7775   tape->file_version = getFileVersion(file);
7776   tape->game_version = getFileVersion(file);
7777
7778   return chunk_size;
7779 }
7780
7781 static int LoadTape_HEAD(File *file, int chunk_size, struct TapeInfo *tape)
7782 {
7783   int i;
7784
7785   tape->random_seed = getFile32BitBE(file);
7786   tape->date        = getFile32BitBE(file);
7787   tape->length      = getFile32BitBE(file);
7788
7789   // read header fields that are new since version 1.2
7790   if (tape->file_version >= FILE_VERSION_1_2)
7791   {
7792     byte store_participating_players = getFile8Bit(file);
7793     int engine_version;
7794
7795     // since version 1.2, tapes store which players participate in the tape
7796     tape->num_participating_players = 0;
7797     for (i = 0; i < MAX_PLAYERS; i++)
7798     {
7799       tape->player_participates[i] = FALSE;
7800
7801       if (store_participating_players & (1 << i))
7802       {
7803         tape->player_participates[i] = TRUE;
7804         tape->num_participating_players++;
7805       }
7806     }
7807
7808     setTapeActionFlags(tape, getFile8Bit(file));
7809
7810     tape->property_bits = getFile8Bit(file);
7811
7812     ReadUnusedBytesFromFile(file, TAPE_CHUNK_HEAD_UNUSED);
7813
7814     engine_version = getFileVersion(file);
7815     if (engine_version > 0)
7816       tape->engine_version = engine_version;
7817     else
7818       tape->engine_version = tape->game_version;
7819   }
7820
7821   return chunk_size;
7822 }
7823
7824 static int LoadTape_SCRN(File *file, int chunk_size, struct TapeInfo *tape)
7825 {
7826   tape->scr_fieldx = getFile8Bit(file);
7827   tape->scr_fieldy = getFile8Bit(file);
7828
7829   return chunk_size;
7830 }
7831
7832 static int LoadTape_INFO(File *file, int chunk_size, struct TapeInfo *tape)
7833 {
7834   char *level_identifier = NULL;
7835   int level_identifier_size;
7836   int i;
7837
7838   level_identifier_size = getFile16BitBE(file);
7839
7840   level_identifier = checked_malloc(level_identifier_size);
7841
7842   for (i = 0; i < level_identifier_size; i++)
7843     level_identifier[i] = getFile8Bit(file);
7844
7845   strncpy(tape->level_identifier, level_identifier, MAX_FILENAME_LEN);
7846   tape->level_identifier[MAX_FILENAME_LEN] = '\0';
7847
7848   checked_free(level_identifier);
7849
7850   tape->level_nr = getFile16BitBE(file);
7851
7852   chunk_size = 2 + level_identifier_size + 2;
7853
7854   return chunk_size;
7855 }
7856
7857 static int LoadTape_BODY(File *file, int chunk_size, struct TapeInfo *tape)
7858 {
7859   int i, j;
7860   int tape_pos_size = getTapePosSize(tape);
7861   int chunk_size_expected = tape_pos_size * tape->length;
7862
7863   if (chunk_size_expected != chunk_size)
7864   {
7865     ReadUnusedBytesFromFile(file, chunk_size);
7866     return chunk_size_expected;
7867   }
7868
7869   for (i = 0; i < tape->length; i++)
7870   {
7871     if (i >= MAX_TAPE_LEN)
7872     {
7873       Warn("tape truncated -- size exceeds maximum tape size %d",
7874             MAX_TAPE_LEN);
7875
7876       // tape too large; read and ignore remaining tape data from this chunk
7877       for (;i < tape->length; i++)
7878         ReadUnusedBytesFromFile(file, tape_pos_size);
7879
7880       break;
7881     }
7882
7883     if (tape->use_key_actions)
7884     {
7885       for (j = 0; j < MAX_PLAYERS; j++)
7886       {
7887         tape->pos[i].action[j] = MV_NONE;
7888
7889         if (tape->player_participates[j])
7890           tape->pos[i].action[j] = getFile8Bit(file);
7891       }
7892     }
7893
7894     if (tape->use_mouse_actions)
7895     {
7896       tape->pos[i].action[TAPE_ACTION_LX]     = getFile8Bit(file);
7897       tape->pos[i].action[TAPE_ACTION_LY]     = getFile8Bit(file);
7898       tape->pos[i].action[TAPE_ACTION_BUTTON] = getFile8Bit(file);
7899     }
7900
7901     tape->pos[i].delay = getFile8Bit(file);
7902
7903     if (tape->file_version == FILE_VERSION_1_0)
7904     {
7905       // eliminate possible diagonal moves in old tapes
7906       // this is only for backward compatibility
7907
7908       byte joy_dir[4] = { JOY_LEFT, JOY_RIGHT, JOY_UP, JOY_DOWN };
7909       byte action = tape->pos[i].action[0];
7910       int k, num_moves = 0;
7911
7912       for (k = 0; k<4; k++)
7913       {
7914         if (action & joy_dir[k])
7915         {
7916           tape->pos[i + num_moves].action[0] = joy_dir[k];
7917           if (num_moves > 0)
7918             tape->pos[i + num_moves].delay = 0;
7919           num_moves++;
7920         }
7921       }
7922
7923       if (num_moves > 1)
7924       {
7925         num_moves--;
7926         i += num_moves;
7927         tape->length += num_moves;
7928       }
7929     }
7930     else if (tape->file_version < FILE_VERSION_2_0)
7931     {
7932       // convert pre-2.0 tapes to new tape format
7933
7934       if (tape->pos[i].delay > 1)
7935       {
7936         // action part
7937         tape->pos[i + 1] = tape->pos[i];
7938         tape->pos[i + 1].delay = 1;
7939
7940         // delay part
7941         for (j = 0; j < MAX_PLAYERS; j++)
7942           tape->pos[i].action[j] = MV_NONE;
7943         tape->pos[i].delay--;
7944
7945         i++;
7946         tape->length++;
7947       }
7948     }
7949
7950     if (checkEndOfFile(file))
7951       break;
7952   }
7953
7954   if (i != tape->length)
7955     chunk_size = tape_pos_size * i;
7956
7957   return chunk_size;
7958 }
7959
7960 static void LoadTape_SokobanSolution(char *filename)
7961 {
7962   File *file;
7963   int move_delay = TILESIZE / level.initial_player_stepsize[0];
7964
7965   if (!(file = openFile(filename, MODE_READ)))
7966   {
7967     tape.no_valid_file = TRUE;
7968
7969     return;
7970   }
7971
7972   while (!checkEndOfFile(file))
7973   {
7974     unsigned char c = getByteFromFile(file);
7975
7976     if (checkEndOfFile(file))
7977       break;
7978
7979     switch (c)
7980     {
7981       case 'u':
7982       case 'U':
7983         tape.pos[tape.length].action[0] = MV_UP;
7984         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
7985         tape.length++;
7986         break;
7987
7988       case 'd':
7989       case 'D':
7990         tape.pos[tape.length].action[0] = MV_DOWN;
7991         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
7992         tape.length++;
7993         break;
7994
7995       case 'l':
7996       case 'L':
7997         tape.pos[tape.length].action[0] = MV_LEFT;
7998         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
7999         tape.length++;
8000         break;
8001
8002       case 'r':
8003       case 'R':
8004         tape.pos[tape.length].action[0] = MV_RIGHT;
8005         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
8006         tape.length++;
8007         break;
8008
8009       case '\n':
8010       case '\r':
8011       case '\t':
8012       case ' ':
8013         // ignore white-space characters
8014         break;
8015
8016       default:
8017         tape.no_valid_file = TRUE;
8018
8019         Warn("unsupported Sokoban solution file '%s' ['%d']", filename, c);
8020
8021         break;
8022     }
8023   }
8024
8025   closeFile(file);
8026
8027   if (tape.no_valid_file)
8028     return;
8029
8030   tape.length_frames  = GetTapeLengthFrames();
8031   tape.length_seconds = GetTapeLengthSeconds();
8032 }
8033
8034 void LoadTapeFromFilename(char *filename)
8035 {
8036   char cookie[MAX_LINE_LEN];
8037   char chunk_name[CHUNK_ID_LEN + 1];
8038   File *file;
8039   int chunk_size;
8040
8041   // always start with reliable default values
8042   setTapeInfoToDefaults();
8043
8044   if (strSuffix(filename, ".sln"))
8045   {
8046     LoadTape_SokobanSolution(filename);
8047
8048     return;
8049   }
8050
8051   if (!(file = openFile(filename, MODE_READ)))
8052   {
8053     tape.no_valid_file = TRUE;
8054
8055     return;
8056   }
8057
8058   getFileChunkBE(file, chunk_name, NULL);
8059   if (strEqual(chunk_name, "RND1"))
8060   {
8061     getFile32BitBE(file);               // not used
8062
8063     getFileChunkBE(file, chunk_name, NULL);
8064     if (!strEqual(chunk_name, "TAPE"))
8065     {
8066       tape.no_valid_file = TRUE;
8067
8068       Warn("unknown format of tape file '%s'", filename);
8069
8070       closeFile(file);
8071
8072       return;
8073     }
8074   }
8075   else  // check for pre-2.0 file format with cookie string
8076   {
8077     strcpy(cookie, chunk_name);
8078     if (getStringFromFile(file, &cookie[4], MAX_LINE_LEN - 4) == NULL)
8079       cookie[4] = '\0';
8080     if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
8081       cookie[strlen(cookie) - 1] = '\0';
8082
8083     if (!checkCookieString(cookie, TAPE_COOKIE_TMPL))
8084     {
8085       tape.no_valid_file = TRUE;
8086
8087       Warn("unknown format of tape file '%s'", filename);
8088
8089       closeFile(file);
8090
8091       return;
8092     }
8093
8094     if ((tape.file_version = getFileVersionFromCookieString(cookie)) == -1)
8095     {
8096       tape.no_valid_file = TRUE;
8097
8098       Warn("unsupported version of tape file '%s'", filename);
8099
8100       closeFile(file);
8101
8102       return;
8103     }
8104
8105     // pre-2.0 tape files have no game version, so use file version here
8106     tape.game_version = tape.file_version;
8107   }
8108
8109   if (tape.file_version < FILE_VERSION_1_2)
8110   {
8111     // tape files from versions before 1.2.0 without chunk structure
8112     LoadTape_HEAD(file, TAPE_CHUNK_HEAD_SIZE, &tape);
8113     LoadTape_BODY(file, 2 * tape.length,      &tape);
8114   }
8115   else
8116   {
8117     static struct
8118     {
8119       char *name;
8120       int size;
8121       int (*loader)(File *, int, struct TapeInfo *);
8122     }
8123     chunk_info[] =
8124     {
8125       { "VERS", TAPE_CHUNK_VERS_SIZE,   LoadTape_VERS },
8126       { "HEAD", TAPE_CHUNK_HEAD_SIZE,   LoadTape_HEAD },
8127       { "SCRN", TAPE_CHUNK_SCRN_SIZE,   LoadTape_SCRN },
8128       { "INFO", -1,                     LoadTape_INFO },
8129       { "BODY", -1,                     LoadTape_BODY },
8130       {  NULL,  0,                      NULL }
8131     };
8132
8133     while (getFileChunkBE(file, chunk_name, &chunk_size))
8134     {
8135       int i = 0;
8136
8137       while (chunk_info[i].name != NULL &&
8138              !strEqual(chunk_name, chunk_info[i].name))
8139         i++;
8140
8141       if (chunk_info[i].name == NULL)
8142       {
8143         Warn("unknown chunk '%s' in tape file '%s'",
8144               chunk_name, filename);
8145
8146         ReadUnusedBytesFromFile(file, chunk_size);
8147       }
8148       else if (chunk_info[i].size != -1 &&
8149                chunk_info[i].size != chunk_size)
8150       {
8151         Warn("wrong size (%d) of chunk '%s' in tape file '%s'",
8152               chunk_size, chunk_name, filename);
8153
8154         ReadUnusedBytesFromFile(file, chunk_size);
8155       }
8156       else
8157       {
8158         // call function to load this tape chunk
8159         int chunk_size_expected =
8160           (chunk_info[i].loader)(file, chunk_size, &tape);
8161
8162         // the size of some chunks cannot be checked before reading other
8163         // chunks first (like "HEAD" and "BODY") that contain some header
8164         // information, so check them here
8165         if (chunk_size_expected != chunk_size)
8166         {
8167           Warn("wrong size (%d) of chunk '%s' in tape file '%s'",
8168                 chunk_size, chunk_name, filename);
8169         }
8170       }
8171     }
8172   }
8173
8174   closeFile(file);
8175
8176   tape.length_frames  = GetTapeLengthFrames();
8177   tape.length_seconds = GetTapeLengthSeconds();
8178
8179 #if 0
8180   Debug("files:LoadTapeFromFilename", "tape file version: %d",
8181         tape.file_version);
8182   Debug("files:LoadTapeFromFilename", "tape game version: %d",
8183         tape.game_version);
8184   Debug("files:LoadTapeFromFilename", "tape engine version: %d",
8185         tape.engine_version);
8186 #endif
8187 }
8188
8189 void LoadTape(int nr)
8190 {
8191   char *filename = getTapeFilename(nr);
8192
8193   LoadTapeFromFilename(filename);
8194 }
8195
8196 void LoadSolutionTape(int nr)
8197 {
8198   char *filename = getSolutionTapeFilename(nr);
8199
8200   LoadTapeFromFilename(filename);
8201
8202   if (TAPE_IS_EMPTY(tape) &&
8203       level.game_engine_type == GAME_ENGINE_TYPE_SP &&
8204       level.native_sp_level->demo.is_available)
8205     CopyNativeTape_SP_to_RND(&level);
8206 }
8207
8208 static boolean checkSaveTape_SCRN(struct TapeInfo *tape)
8209 {
8210   // chunk required for team mode tapes with non-default screen size
8211   return (tape->num_participating_players > 1 &&
8212           (tape->scr_fieldx != SCR_FIELDX_DEFAULT ||
8213            tape->scr_fieldy != SCR_FIELDY_DEFAULT));
8214 }
8215
8216 static void SaveTape_VERS(FILE *file, struct TapeInfo *tape)
8217 {
8218   putFileVersion(file, tape->file_version);
8219   putFileVersion(file, tape->game_version);
8220 }
8221
8222 static void SaveTape_HEAD(FILE *file, struct TapeInfo *tape)
8223 {
8224   int i;
8225   byte store_participating_players = 0;
8226
8227   // set bits for participating players for compact storage
8228   for (i = 0; i < MAX_PLAYERS; i++)
8229     if (tape->player_participates[i])
8230       store_participating_players |= (1 << i);
8231
8232   putFile32BitBE(file, tape->random_seed);
8233   putFile32BitBE(file, tape->date);
8234   putFile32BitBE(file, tape->length);
8235
8236   putFile8Bit(file, store_participating_players);
8237
8238   putFile8Bit(file, getTapeActionValue(tape));
8239
8240   putFile8Bit(file, tape->property_bits);
8241
8242   // unused bytes not at the end here for 4-byte alignment of engine_version
8243   WriteUnusedBytesToFile(file, TAPE_CHUNK_HEAD_UNUSED);
8244
8245   putFileVersion(file, tape->engine_version);
8246 }
8247
8248 static void SaveTape_SCRN(FILE *file, struct TapeInfo *tape)
8249 {
8250   putFile8Bit(file, tape->scr_fieldx);
8251   putFile8Bit(file, tape->scr_fieldy);
8252 }
8253
8254 static void SaveTape_INFO(FILE *file, struct TapeInfo *tape)
8255 {
8256   int level_identifier_size = strlen(tape->level_identifier) + 1;
8257   int i;
8258
8259   putFile16BitBE(file, level_identifier_size);
8260
8261   for (i = 0; i < level_identifier_size; i++)
8262     putFile8Bit(file, tape->level_identifier[i]);
8263
8264   putFile16BitBE(file, tape->level_nr);
8265 }
8266
8267 static void SaveTape_BODY(FILE *file, struct TapeInfo *tape)
8268 {
8269   int i, j;
8270
8271   for (i = 0; i < tape->length; i++)
8272   {
8273     if (tape->use_key_actions)
8274     {
8275       for (j = 0; j < MAX_PLAYERS; j++)
8276         if (tape->player_participates[j])
8277           putFile8Bit(file, tape->pos[i].action[j]);
8278     }
8279
8280     if (tape->use_mouse_actions)
8281     {
8282       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_LX]);
8283       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_LY]);
8284       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_BUTTON]);
8285     }
8286
8287     putFile8Bit(file, tape->pos[i].delay);
8288   }
8289 }
8290
8291 void SaveTapeToFilename(char *filename)
8292 {
8293   FILE *file;
8294   int tape_pos_size;
8295   int info_chunk_size;
8296   int body_chunk_size;
8297
8298   if (!(file = fopen(filename, MODE_WRITE)))
8299   {
8300     Warn("cannot save level recording file '%s'", filename);
8301
8302     return;
8303   }
8304
8305   tape_pos_size = getTapePosSize(&tape);
8306
8307   info_chunk_size = 2 + (strlen(tape.level_identifier) + 1) + 2;
8308   body_chunk_size = tape_pos_size * tape.length;
8309
8310   putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
8311   putFileChunkBE(file, "TAPE", CHUNK_SIZE_NONE);
8312
8313   putFileChunkBE(file, "VERS", TAPE_CHUNK_VERS_SIZE);
8314   SaveTape_VERS(file, &tape);
8315
8316   putFileChunkBE(file, "HEAD", TAPE_CHUNK_HEAD_SIZE);
8317   SaveTape_HEAD(file, &tape);
8318
8319   if (checkSaveTape_SCRN(&tape))
8320   {
8321     putFileChunkBE(file, "SCRN", TAPE_CHUNK_SCRN_SIZE);
8322     SaveTape_SCRN(file, &tape);
8323   }
8324
8325   putFileChunkBE(file, "INFO", info_chunk_size);
8326   SaveTape_INFO(file, &tape);
8327
8328   putFileChunkBE(file, "BODY", body_chunk_size);
8329   SaveTape_BODY(file, &tape);
8330
8331   fclose(file);
8332
8333   SetFilePermissions(filename, PERMS_PRIVATE);
8334 }
8335
8336 static void SaveTapeExt(char *filename)
8337 {
8338   int i;
8339
8340   tape.file_version = FILE_VERSION_ACTUAL;
8341   tape.game_version = GAME_VERSION_ACTUAL;
8342
8343   tape.num_participating_players = 0;
8344
8345   // count number of participating players
8346   for (i = 0; i < MAX_PLAYERS; i++)
8347     if (tape.player_participates[i])
8348       tape.num_participating_players++;
8349
8350   SaveTapeToFilename(filename);
8351
8352   tape.changed = FALSE;
8353 }
8354
8355 void SaveTape(int nr)
8356 {
8357   char *filename = getTapeFilename(nr);
8358
8359   InitTapeDirectory(leveldir_current->subdir);
8360
8361   SaveTapeExt(filename);
8362 }
8363
8364 void SaveScoreTape(int nr)
8365 {
8366   char *filename = getScoreTapeFilename(tape.score_tape_basename, nr);
8367
8368   // used instead of "leveldir_current->subdir" (for network games)
8369   InitScoreTapeDirectory(levelset.identifier, nr);
8370
8371   SaveTapeExt(filename);
8372 }
8373
8374 static boolean SaveTapeCheckedExt(int nr, char *msg_replace, char *msg_saved,
8375                                   unsigned int req_state_added)
8376 {
8377   char *filename = getTapeFilename(nr);
8378   boolean new_tape = !fileExists(filename);
8379   boolean tape_saved = FALSE;
8380
8381   if (new_tape || Request(msg_replace, REQ_ASK | req_state_added))
8382   {
8383     SaveTape(nr);
8384
8385     if (new_tape)
8386       Request(msg_saved, REQ_CONFIRM | req_state_added);
8387
8388     tape_saved = TRUE;
8389   }
8390
8391   return tape_saved;
8392 }
8393
8394 boolean SaveTapeChecked(int nr)
8395 {
8396   return SaveTapeCheckedExt(nr, "Replace old tape?", "Tape saved!", 0);
8397 }
8398
8399 boolean SaveTapeChecked_LevelSolved(int nr)
8400 {
8401   return SaveTapeCheckedExt(nr, "Level solved! Replace old tape?",
8402                                 "Level solved! Tape saved!", REQ_STAY_OPEN);
8403 }
8404
8405 void DumpTape(struct TapeInfo *tape)
8406 {
8407   int tape_frame_counter;
8408   int i, j;
8409
8410   if (tape->no_valid_file)
8411   {
8412     Warn("cannot dump -- no valid tape file found");
8413
8414     return;
8415   }
8416
8417   PrintLine("-", 79);
8418   Print("Tape of Level %03d (file version %08d, game version %08d)\n",
8419         tape->level_nr, tape->file_version, tape->game_version);
8420   Print("                  (effective engine version %08d)\n",
8421         tape->engine_version);
8422   Print("Level series identifier: '%s'\n", tape->level_identifier);
8423   PrintLine("-", 79);
8424
8425   tape_frame_counter = 0;
8426
8427   for (i = 0; i < tape->length; i++)
8428   {
8429     if (i >= MAX_TAPE_LEN)
8430       break;
8431
8432     Print("%04d: ", i);
8433
8434     for (j = 0; j < MAX_PLAYERS; j++)
8435     {
8436       if (tape->player_participates[j])
8437       {
8438         int action = tape->pos[i].action[j];
8439
8440         Print("%d:%02x ", j, action);
8441         Print("[%c%c%c%c|%c%c] - ",
8442               (action & JOY_LEFT ? '<' : ' '),
8443               (action & JOY_RIGHT ? '>' : ' '),
8444               (action & JOY_UP ? '^' : ' '),
8445               (action & JOY_DOWN ? 'v' : ' '),
8446               (action & JOY_BUTTON_1 ? '1' : ' '),
8447               (action & JOY_BUTTON_2 ? '2' : ' '));
8448       }
8449     }
8450
8451     Print("(%03d) ", tape->pos[i].delay);
8452     Print("[%05d]\n", tape_frame_counter);
8453
8454     tape_frame_counter += tape->pos[i].delay;
8455   }
8456
8457   PrintLine("-", 79);
8458 }
8459
8460 void DumpTapes(void)
8461 {
8462   static LevelDirTree *dumptape_leveldir = NULL;
8463
8464   dumptape_leveldir = getTreeInfoFromIdentifier(leveldir_first,
8465                                                 global.dumptape_leveldir);
8466
8467   if (dumptape_leveldir == NULL)
8468     Fail("no such level identifier: '%s'", global.dumptape_leveldir);
8469
8470   if (global.dumptape_level_nr < dumptape_leveldir->first_level ||
8471       global.dumptape_level_nr > dumptape_leveldir->last_level)
8472     Fail("no such level number: %d", global.dumptape_level_nr);
8473
8474   leveldir_current = dumptape_leveldir;
8475
8476   if (options.mytapes)
8477     LoadTape(global.dumptape_level_nr);
8478   else
8479     LoadSolutionTape(global.dumptape_level_nr);
8480
8481   DumpTape(&tape);
8482
8483   CloseAllAndExit(0);
8484 }
8485
8486
8487 // ============================================================================
8488 // score file functions
8489 // ============================================================================
8490
8491 static void setScoreInfoToDefaultsExt(struct ScoreInfo *scores)
8492 {
8493   int i;
8494
8495   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8496   {
8497     strcpy(scores->entry[i].tape_basename, UNDEFINED_FILENAME);
8498     strcpy(scores->entry[i].name, EMPTY_PLAYER_NAME);
8499     scores->entry[i].score = 0;
8500     scores->entry[i].time = 0;
8501   }
8502
8503   scores->num_entries = 0;
8504   scores->last_added = -1;
8505   scores->last_added_local = -1;
8506
8507   scores->updated = FALSE;
8508   scores->force_last_added = FALSE;
8509 }
8510
8511 static void setScoreInfoToDefaults(void)
8512 {
8513   setScoreInfoToDefaultsExt(&scores);
8514 }
8515
8516 static void setServerScoreInfoToDefaults(void)
8517 {
8518   setScoreInfoToDefaultsExt(&server_scores);
8519 }
8520
8521 static void LoadScore_OLD(int nr)
8522 {
8523   int i;
8524   char *filename = getScoreFilename(nr);
8525   char cookie[MAX_LINE_LEN];
8526   char line[MAX_LINE_LEN];
8527   char *line_ptr;
8528   FILE *file;
8529
8530   if (!(file = fopen(filename, MODE_READ)))
8531     return;
8532
8533   // check file identifier
8534   if (fgets(cookie, MAX_LINE_LEN, file) == NULL)
8535     cookie[0] = '\0';
8536   if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
8537     cookie[strlen(cookie) - 1] = '\0';
8538
8539   if (!checkCookieString(cookie, SCORE_COOKIE_TMPL))
8540   {
8541     Warn("unknown format of score file '%s'", filename);
8542
8543     fclose(file);
8544
8545     return;
8546   }
8547
8548   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8549   {
8550     if (fscanf(file, "%d", &scores.entry[i].score) == EOF)
8551       Warn("fscanf() failed; %s", strerror(errno));
8552
8553     if (fgets(line, MAX_LINE_LEN, file) == NULL)
8554       line[0] = '\0';
8555
8556     if (strlen(line) > 0 && line[strlen(line) - 1] == '\n')
8557       line[strlen(line) - 1] = '\0';
8558
8559     for (line_ptr = line; *line_ptr; line_ptr++)
8560     {
8561       if (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
8562       {
8563         strncpy(scores.entry[i].name, line_ptr, MAX_PLAYER_NAME_LEN);
8564         scores.entry[i].name[MAX_PLAYER_NAME_LEN] = '\0';
8565         break;
8566       }
8567     }
8568   }
8569
8570   fclose(file);
8571 }
8572
8573 static void ConvertScore_OLD(void)
8574 {
8575   // only convert score to time for levels that rate playing time over score
8576   if (!level.rate_time_over_score)
8577     return;
8578
8579   // convert old score to playing time for score-less levels (like Supaplex)
8580   int time_final_max = 999;
8581   int i;
8582
8583   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8584   {
8585     int score = scores.entry[i].score;
8586
8587     if (score > 0 && score < time_final_max)
8588       scores.entry[i].time = (time_final_max - score - 1) * FRAMES_PER_SECOND;
8589   }
8590 }
8591
8592 static int LoadScore_VERS(File *file, int chunk_size, struct ScoreInfo *scores)
8593 {
8594   scores->file_version = getFileVersion(file);
8595   scores->game_version = getFileVersion(file);
8596
8597   return chunk_size;
8598 }
8599
8600 static int LoadScore_INFO(File *file, int chunk_size, struct ScoreInfo *scores)
8601 {
8602   char *level_identifier = NULL;
8603   int level_identifier_size;
8604   int i;
8605
8606   level_identifier_size = getFile16BitBE(file);
8607
8608   level_identifier = checked_malloc(level_identifier_size);
8609
8610   for (i = 0; i < level_identifier_size; i++)
8611     level_identifier[i] = getFile8Bit(file);
8612
8613   strncpy(scores->level_identifier, level_identifier, MAX_FILENAME_LEN);
8614   scores->level_identifier[MAX_FILENAME_LEN] = '\0';
8615
8616   checked_free(level_identifier);
8617
8618   scores->level_nr = getFile16BitBE(file);
8619   scores->num_entries = getFile16BitBE(file);
8620
8621   chunk_size = 2 + level_identifier_size + 2 + 2;
8622
8623   return chunk_size;
8624 }
8625
8626 static int LoadScore_NAME(File *file, int chunk_size, struct ScoreInfo *scores)
8627 {
8628   int i, j;
8629
8630   for (i = 0; i < scores->num_entries; i++)
8631   {
8632     for (j = 0; j < MAX_PLAYER_NAME_LEN; j++)
8633       scores->entry[i].name[j] = getFile8Bit(file);
8634
8635     scores->entry[i].name[MAX_PLAYER_NAME_LEN] = '\0';
8636   }
8637
8638   chunk_size = scores->num_entries * MAX_PLAYER_NAME_LEN;
8639
8640   return chunk_size;
8641 }
8642
8643 static int LoadScore_SCOR(File *file, int chunk_size, struct ScoreInfo *scores)
8644 {
8645   int i;
8646
8647   for (i = 0; i < scores->num_entries; i++)
8648     scores->entry[i].score = getFile16BitBE(file);
8649
8650   chunk_size = scores->num_entries * 2;
8651
8652   return chunk_size;
8653 }
8654
8655 static int LoadScore_TIME(File *file, int chunk_size, struct ScoreInfo *scores)
8656 {
8657   int i;
8658
8659   for (i = 0; i < scores->num_entries; i++)
8660     scores->entry[i].time = getFile32BitBE(file);
8661
8662   chunk_size = scores->num_entries * 4;
8663
8664   return chunk_size;
8665 }
8666
8667 static int LoadScore_TAPE(File *file, int chunk_size, struct ScoreInfo *scores)
8668 {
8669   int i, j;
8670
8671   for (i = 0; i < scores->num_entries; i++)
8672   {
8673     for (j = 0; j < MAX_SCORE_TAPE_BASENAME_LEN; j++)
8674       scores->entry[i].tape_basename[j] = getFile8Bit(file);
8675
8676     scores->entry[i].tape_basename[MAX_SCORE_TAPE_BASENAME_LEN] = '\0';
8677   }
8678
8679   chunk_size = scores->num_entries * MAX_SCORE_TAPE_BASENAME_LEN;
8680
8681   return chunk_size;
8682 }
8683
8684 void LoadScore(int nr)
8685 {
8686   char *filename = getScoreFilename(nr);
8687   char cookie[MAX_LINE_LEN];
8688   char chunk_name[CHUNK_ID_LEN + 1];
8689   int chunk_size;
8690   boolean old_score_file_format = FALSE;
8691   File *file;
8692
8693   // always start with reliable default values
8694   setScoreInfoToDefaults();
8695
8696   if (!(file = openFile(filename, MODE_READ)))
8697     return;
8698
8699   getFileChunkBE(file, chunk_name, NULL);
8700   if (strEqual(chunk_name, "RND1"))
8701   {
8702     getFile32BitBE(file);               // not used
8703
8704     getFileChunkBE(file, chunk_name, NULL);
8705     if (!strEqual(chunk_name, "SCOR"))
8706     {
8707       Warn("unknown format of score file '%s'", filename);
8708
8709       closeFile(file);
8710
8711       return;
8712     }
8713   }
8714   else  // check for old file format with cookie string
8715   {
8716     strcpy(cookie, chunk_name);
8717     if (getStringFromFile(file, &cookie[4], MAX_LINE_LEN - 4) == NULL)
8718       cookie[4] = '\0';
8719     if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
8720       cookie[strlen(cookie) - 1] = '\0';
8721
8722     if (!checkCookieString(cookie, SCORE_COOKIE_TMPL))
8723     {
8724       Warn("unknown format of score file '%s'", filename);
8725
8726       closeFile(file);
8727
8728       return;
8729     }
8730
8731     old_score_file_format = TRUE;
8732   }
8733
8734   if (old_score_file_format)
8735   {
8736     // score files from versions before 4.2.4.0 without chunk structure
8737     LoadScore_OLD(nr);
8738
8739     // convert score to time, if possible (mainly for Supaplex levels)
8740     ConvertScore_OLD();
8741   }
8742   else
8743   {
8744     static struct
8745     {
8746       char *name;
8747       int size;
8748       int (*loader)(File *, int, struct ScoreInfo *);
8749     }
8750     chunk_info[] =
8751     {
8752       { "VERS", SCORE_CHUNK_VERS_SIZE,  LoadScore_VERS },
8753       { "INFO", -1,                     LoadScore_INFO },
8754       { "NAME", -1,                     LoadScore_NAME },
8755       { "SCOR", -1,                     LoadScore_SCOR },
8756       { "TIME", -1,                     LoadScore_TIME },
8757       { "TAPE", -1,                     LoadScore_TAPE },
8758
8759       {  NULL,  0,                      NULL }
8760     };
8761
8762     while (getFileChunkBE(file, chunk_name, &chunk_size))
8763     {
8764       int i = 0;
8765
8766       while (chunk_info[i].name != NULL &&
8767              !strEqual(chunk_name, chunk_info[i].name))
8768         i++;
8769
8770       if (chunk_info[i].name == NULL)
8771       {
8772         Warn("unknown chunk '%s' in score file '%s'",
8773               chunk_name, filename);
8774
8775         ReadUnusedBytesFromFile(file, chunk_size);
8776       }
8777       else if (chunk_info[i].size != -1 &&
8778                chunk_info[i].size != chunk_size)
8779       {
8780         Warn("wrong size (%d) of chunk '%s' in score file '%s'",
8781               chunk_size, chunk_name, filename);
8782
8783         ReadUnusedBytesFromFile(file, chunk_size);
8784       }
8785       else
8786       {
8787         // call function to load this score chunk
8788         int chunk_size_expected =
8789           (chunk_info[i].loader)(file, chunk_size, &scores);
8790
8791         // the size of some chunks cannot be checked before reading other
8792         // chunks first (like "HEAD" and "BODY") that contain some header
8793         // information, so check them here
8794         if (chunk_size_expected != chunk_size)
8795         {
8796           Warn("wrong size (%d) of chunk '%s' in score file '%s'",
8797                 chunk_size, chunk_name, filename);
8798         }
8799       }
8800     }
8801   }
8802
8803   closeFile(file);
8804 }
8805
8806 #if ENABLE_HISTORIC_CHUNKS
8807 void SaveScore_OLD(int nr)
8808 {
8809   int i;
8810   char *filename = getScoreFilename(nr);
8811   FILE *file;
8812
8813   // used instead of "leveldir_current->subdir" (for network games)
8814   InitScoreDirectory(levelset.identifier);
8815
8816   if (!(file = fopen(filename, MODE_WRITE)))
8817   {
8818     Warn("cannot save score for level %d", nr);
8819
8820     return;
8821   }
8822
8823   fprintf(file, "%s\n\n", SCORE_COOKIE);
8824
8825   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8826     fprintf(file, "%d %s\n", scores.entry[i].score, scores.entry[i].name);
8827
8828   fclose(file);
8829
8830   SetFilePermissions(filename, PERMS_PRIVATE);
8831 }
8832 #endif
8833
8834 static void SaveScore_VERS(FILE *file, struct ScoreInfo *scores)
8835 {
8836   putFileVersion(file, scores->file_version);
8837   putFileVersion(file, scores->game_version);
8838 }
8839
8840 static void SaveScore_INFO(FILE *file, struct ScoreInfo *scores)
8841 {
8842   int level_identifier_size = strlen(scores->level_identifier) + 1;
8843   int i;
8844
8845   putFile16BitBE(file, level_identifier_size);
8846
8847   for (i = 0; i < level_identifier_size; i++)
8848     putFile8Bit(file, scores->level_identifier[i]);
8849
8850   putFile16BitBE(file, scores->level_nr);
8851   putFile16BitBE(file, scores->num_entries);
8852 }
8853
8854 static void SaveScore_NAME(FILE *file, struct ScoreInfo *scores)
8855 {
8856   int i, j;
8857
8858   for (i = 0; i < scores->num_entries; i++)
8859   {
8860     int name_size = strlen(scores->entry[i].name);
8861
8862     for (j = 0; j < MAX_PLAYER_NAME_LEN; j++)
8863       putFile8Bit(file, (j < name_size ? scores->entry[i].name[j] : 0));
8864   }
8865 }
8866
8867 static void SaveScore_SCOR(FILE *file, struct ScoreInfo *scores)
8868 {
8869   int i;
8870
8871   for (i = 0; i < scores->num_entries; i++)
8872     putFile16BitBE(file, scores->entry[i].score);
8873 }
8874
8875 static void SaveScore_TIME(FILE *file, struct ScoreInfo *scores)
8876 {
8877   int i;
8878
8879   for (i = 0; i < scores->num_entries; i++)
8880     putFile32BitBE(file, scores->entry[i].time);
8881 }
8882
8883 static void SaveScore_TAPE(FILE *file, struct ScoreInfo *scores)
8884 {
8885   int i, j;
8886
8887   for (i = 0; i < scores->num_entries; i++)
8888   {
8889     int size = strlen(scores->entry[i].tape_basename);
8890
8891     for (j = 0; j < MAX_SCORE_TAPE_BASENAME_LEN; j++)
8892       putFile8Bit(file, (j < size ? scores->entry[i].tape_basename[j] : 0));
8893   }
8894 }
8895
8896 static void SaveScoreToFilename(char *filename)
8897 {
8898   FILE *file;
8899   int info_chunk_size;
8900   int name_chunk_size;
8901   int scor_chunk_size;
8902   int time_chunk_size;
8903   int tape_chunk_size;
8904
8905   if (!(file = fopen(filename, MODE_WRITE)))
8906   {
8907     Warn("cannot save score file '%s'", filename);
8908
8909     return;
8910   }
8911
8912   info_chunk_size = 2 + (strlen(scores.level_identifier) + 1) + 2 + 2;
8913   name_chunk_size = scores.num_entries * MAX_PLAYER_NAME_LEN;
8914   scor_chunk_size = scores.num_entries * 2;
8915   time_chunk_size = scores.num_entries * 4;
8916   tape_chunk_size = scores.num_entries * MAX_SCORE_TAPE_BASENAME_LEN;
8917
8918   putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
8919   putFileChunkBE(file, "SCOR", CHUNK_SIZE_NONE);
8920
8921   putFileChunkBE(file, "VERS", SCORE_CHUNK_VERS_SIZE);
8922   SaveScore_VERS(file, &scores);
8923
8924   putFileChunkBE(file, "INFO", info_chunk_size);
8925   SaveScore_INFO(file, &scores);
8926
8927   putFileChunkBE(file, "NAME", name_chunk_size);
8928   SaveScore_NAME(file, &scores);
8929
8930   putFileChunkBE(file, "SCOR", scor_chunk_size);
8931   SaveScore_SCOR(file, &scores);
8932
8933   putFileChunkBE(file, "TIME", time_chunk_size);
8934   SaveScore_TIME(file, &scores);
8935
8936   putFileChunkBE(file, "TAPE", tape_chunk_size);
8937   SaveScore_TAPE(file, &scores);
8938
8939   fclose(file);
8940
8941   SetFilePermissions(filename, PERMS_PRIVATE);
8942 }
8943
8944 void SaveScore(int nr)
8945 {
8946   char *filename = getScoreFilename(nr);
8947   int i;
8948
8949   // used instead of "leveldir_current->subdir" (for network games)
8950   InitScoreDirectory(levelset.identifier);
8951
8952   scores.file_version = FILE_VERSION_ACTUAL;
8953   scores.game_version = GAME_VERSION_ACTUAL;
8954
8955   strncpy(scores.level_identifier, levelset.identifier, MAX_FILENAME_LEN);
8956   scores.level_identifier[MAX_FILENAME_LEN] = '\0';
8957   scores.level_nr = level_nr;
8958
8959   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8960     if (scores.entry[i].score == 0 &&
8961         scores.entry[i].time == 0 &&
8962         strEqual(scores.entry[i].name, EMPTY_PLAYER_NAME))
8963       break;
8964
8965   scores.num_entries = i;
8966
8967   if (scores.num_entries == 0)
8968     return;
8969
8970   SaveScoreToFilename(filename);
8971 }
8972
8973 static void ExecuteAsThread(SDL_ThreadFunction function, char *name, int data,
8974                             char *error)
8975 {
8976   static int data_static;
8977
8978   data_static = data;
8979
8980   SDL_Thread *thread = SDL_CreateThread(function, name, &data_static);
8981
8982   if (thread != NULL)
8983     SDL_DetachThread(thread);
8984   else
8985     Error("Cannot create thread to %s!", error);
8986
8987   // nasty kludge to lower probability of intermingled thread error messages
8988   Delay(1);
8989 }
8990
8991 static void DownloadServerScoreToCacheExt(struct HttpRequest *request,
8992                                           struct HttpResponse *response,
8993                                           int nr)
8994 {
8995   request->hostname = setup.api_server_hostname;
8996   request->port     = API_SERVER_PORT;
8997   request->method   = API_SERVER_METHOD;
8998   request->uri      = API_SERVER_URI_GET;
8999
9000   snprintf(request->body, MAX_HTTP_BODY_SIZE,
9001            "{\n"
9002            "  \"levelset_identifier\":  \"%s\",\n"
9003            "  \"level_nr\":             \"%d\",\n"
9004            "  \"rate_time_over_score\": \"%d\"\n"
9005            "}\n",
9006            levelset.identifier, nr, level.rate_time_over_score);
9007
9008   if (!DoHttpRequest(request, response))
9009   {
9010     Error("HTTP request failed: %s", GetHttpError());
9011
9012     return;
9013   }
9014
9015   if (!HTTP_SUCCESS(response->status_code))
9016   {
9017     Error("server failed to handle request: %d %s",
9018           response->status_code,
9019           response->status_text);
9020
9021     return;
9022   }
9023
9024   if (response->body_size == 0)
9025   {
9026     // no scores available for this level
9027
9028     return;
9029   }
9030
9031   ConvertHttpResponseBodyToClientEncoding(response);
9032
9033   char *filename = getScoreCacheFilename(nr);
9034   FILE *file;
9035   int i;
9036
9037   // used instead of "leveldir_current->subdir" (for network games)
9038   InitScoreCacheDirectory(levelset.identifier);
9039
9040   if (!(file = fopen(filename, MODE_WRITE)))
9041   {
9042     Warn("cannot save score cache file '%s'", filename);
9043
9044     return;
9045   }
9046
9047   for (i = 0; i < response->body_size; i++)
9048     fputc(response->body[i], file);
9049
9050   fclose(file);
9051
9052   SetFilePermissions(filename, PERMS_PRIVATE);
9053
9054   server_scores.updated = TRUE;
9055 }
9056
9057 static void DownloadServerScoreToCache(int nr)
9058 {
9059   struct HttpRequest *request = checked_calloc(sizeof(struct HttpRequest));
9060   struct HttpResponse *response = checked_calloc(sizeof(struct HttpResponse));
9061
9062   DownloadServerScoreToCacheExt(request, response, nr);
9063
9064   checked_free(request);
9065   checked_free(response);
9066 }
9067
9068 static int DownloadServerScoreToCacheThread(void *data)
9069 {
9070   DownloadServerScoreToCache(*(int *)data);
9071
9072   return 0;
9073 }
9074
9075 static void DownloadServerScoreToCacheAsThread(int nr)
9076 {
9077   ExecuteAsThread(DownloadServerScoreToCacheThread,
9078                   "DownloadServerScoreToCache", nr,
9079                   "download scores from server");
9080 }
9081
9082 static void LoadServerScoreFromCache(int nr)
9083 {
9084   struct ScoreEntry score_entry;
9085   struct
9086   {
9087     void *value;
9088     boolean is_string;
9089     int string_size;
9090   }
9091   score_mapping[] =
9092   {
9093     { &score_entry.score,               FALSE,  0                       },
9094     { &score_entry.time,                FALSE,  0                       },
9095     { score_entry.name,                 TRUE,   MAX_PLAYER_NAME_LEN     },
9096     { score_entry.tape_basename,        TRUE,   MAX_FILENAME_LEN        },
9097
9098     { NULL,                             FALSE,  0                       }
9099   };
9100   char *filename = getScoreCacheFilename(nr);
9101   SetupFileHash *score_hash = loadSetupFileHash(filename);
9102   int i, j;
9103
9104   server_scores.num_entries = 0;
9105
9106   if (score_hash == NULL)
9107     return;
9108
9109   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
9110   {
9111     score_entry = server_scores.entry[i];
9112
9113     for (j = 0; score_mapping[j].value != NULL; j++)
9114     {
9115       char token[10];
9116
9117       sprintf(token, "%02d.%d", i, j);
9118
9119       char *value = getHashEntry(score_hash, token);
9120
9121       if (value == NULL)
9122         continue;
9123
9124       if (score_mapping[j].is_string)
9125       {
9126         char *score_value = (char *)score_mapping[j].value;
9127         int value_size = score_mapping[j].string_size;
9128
9129         strncpy(score_value, value, value_size);
9130         score_value[value_size] = '\0';
9131       }
9132       else
9133       {
9134         int *score_value = (int *)score_mapping[j].value;
9135
9136         *score_value = atoi(value);
9137       }
9138
9139       server_scores.num_entries = i + 1;
9140     }
9141
9142     server_scores.entry[i] = score_entry;
9143   }
9144
9145   freeSetupFileHash(score_hash);
9146 }
9147
9148 void LoadServerScore(int nr, boolean download_score)
9149 {
9150   if (!setup.api_server)
9151     return;
9152
9153   // always start with reliable default values
9154   setServerScoreInfoToDefaults();
9155
9156   // 1st step: load server scores from cache file (which may not exist)
9157   // (this should prevent reading it while the thread is writing to it)
9158   LoadServerScoreFromCache(nr);
9159
9160   if (download_score && runtime.api_server)
9161   {
9162     // 2nd step: download server scores from score server to cache file
9163     // (as thread, as it might time out if the server is not reachable)
9164     DownloadServerScoreToCacheAsThread(nr);
9165   }
9166 }
9167
9168 static char *get_file_base64(char *filename)
9169 {
9170   struct stat file_status;
9171
9172   if (stat(filename, &file_status) != 0)
9173   {
9174     Error("cannot stat file '%s'\n", filename);
9175
9176     return NULL;
9177   }
9178
9179   int buffer_size = file_status.st_size;
9180   byte *buffer = checked_malloc(buffer_size);
9181   FILE *file;
9182   int i;
9183
9184   if (!(file = fopen(filename, MODE_READ)))
9185   {
9186     Error("cannot open file '%s'\n", filename);
9187
9188     checked_free(buffer);
9189
9190     return NULL;
9191   }
9192
9193   for (i = 0; i < buffer_size; i++)
9194   {
9195     int c = fgetc(file);
9196
9197     if (c == EOF)
9198     {
9199       Error("cannot read from input file '%s'\n", filename);
9200
9201       fclose(file);
9202       checked_free(buffer);
9203
9204       return NULL;
9205     }
9206
9207     buffer[i] = (byte)c;
9208   }
9209
9210   fclose(file);
9211
9212   int buffer_encoded_size = base64_encoded_size(buffer_size);
9213   char *buffer_encoded = checked_malloc(buffer_encoded_size);
9214
9215   base64_encode(buffer_encoded, buffer, buffer_size);
9216
9217   checked_free(buffer);
9218
9219   return buffer_encoded;
9220 }
9221
9222 static void UploadScoreToServerExt(struct HttpRequest *request,
9223                                    struct HttpResponse *response,
9224                                    int nr)
9225 {
9226   struct ScoreEntry *score_entry = &scores.entry[scores.last_added];
9227
9228   request->hostname = setup.api_server_hostname;
9229   request->port     = API_SERVER_PORT;
9230   request->method   = API_SERVER_METHOD;
9231   request->uri      = API_SERVER_URI_ADD;
9232
9233   char *tape_filename = getScoreTapeFilename(score_entry->tape_basename, nr);
9234   char *tape_base64 = get_file_base64(tape_filename);
9235
9236   if (tape_base64 == NULL)
9237   {
9238     Error("loading and base64 encoding score tape file failed");
9239
9240     return;
9241   }
9242
9243   snprintf(request->body, MAX_HTTP_BODY_SIZE,
9244            "{\n"
9245            "  \"game_version\":         \"%s\",\n"
9246            "  \"levelset_identifier\":  \"%s\",\n"
9247            "  \"levelset_name\":        \"%s\",\n"
9248            "  \"levelset_author\":      \"%s\",\n"
9249            "  \"levelset_num_levels\":  \"%d\",\n"
9250            "  \"levelset_first_level\": \"%d\",\n"
9251            "  \"level_nr\":             \"%d\",\n"
9252            "  \"player_name\":          \"%s\",\n"
9253            "  \"score\":                \"%d\",\n"
9254            "  \"time\":                 \"%d\",\n"
9255            "  \"tape_basename\":        \"%s\",\n"
9256            "  \"tape\":                 \"%s\"\n"
9257            "}\n",
9258            getProgramRealVersionString(),
9259            leveldir_current->identifier,
9260            leveldir_current->name,
9261            leveldir_current->author,
9262            leveldir_current->levels,
9263            leveldir_current->first_level,
9264            level_nr,
9265            score_entry->name,
9266            score_entry->score,
9267            score_entry->time,
9268            score_entry->tape_basename,
9269            tape_base64);
9270
9271   checked_free(tape_base64);
9272
9273   ConvertHttpRequestBodyToServerEncoding(request);
9274
9275   if (!DoHttpRequest(request, response))
9276   {
9277     Error("HTTP request failed: %s", GetHttpError());
9278
9279     return;
9280   }
9281
9282   if (!HTTP_SUCCESS(response->status_code))
9283   {
9284     Error("server failed to handle request: %d %s",
9285           response->status_code,
9286           response->status_text);
9287
9288     return;
9289   }
9290 }
9291
9292 static void UploadScoreToServer(int nr)
9293 {
9294   struct HttpRequest *request = checked_calloc(sizeof(struct HttpRequest));
9295   struct HttpResponse *response = checked_calloc(sizeof(struct HttpResponse));
9296
9297   UploadScoreToServerExt(request, response, nr);
9298
9299   checked_free(request);
9300   checked_free(response);
9301 }
9302
9303 static int UploadScoreToServerThread(void *data)
9304 {
9305   UploadScoreToServer(*(int *)data);
9306
9307   return 0;
9308 }
9309
9310 static void UploadScoreToServerAsThread(int nr)
9311 {
9312   ExecuteAsThread(UploadScoreToServerThread,
9313                   "UploadScoreToServer", nr,
9314                   "upload score to server");
9315 }
9316
9317 void SaveServerScore(int nr)
9318 {
9319   if (!runtime.api_server)
9320     return;
9321
9322   UploadScoreToServerAsThread(nr);
9323 }
9324
9325 void LoadLocalAndServerScore(int nr, boolean download_score)
9326 {
9327   int last_added_local = scores.last_added_local;
9328
9329   LoadScore(nr);
9330
9331   // restore last added local score entry (before merging server scores)
9332   scores.last_added = scores.last_added_local = last_added_local;
9333
9334   if (setup.api_server && !setup.only_show_local_scores)
9335   {
9336     // load server scores from cache file and trigger update from server
9337     LoadServerScore(nr, download_score);
9338
9339     // merge local scores with scores from server
9340     MergeServerScore();
9341   }
9342 }
9343
9344
9345 // ============================================================================
9346 // setup file functions
9347 // ============================================================================
9348
9349 #define TOKEN_STR_PLAYER_PREFIX                 "player_"
9350
9351
9352 static struct TokenInfo global_setup_tokens[] =
9353 {
9354   {
9355     TYPE_STRING,
9356     &setup.player_name,                         "player_name"
9357   },
9358   {
9359     TYPE_SWITCH,
9360     &setup.multiple_users,                      "multiple_users"
9361   },
9362   {
9363     TYPE_SWITCH,
9364     &setup.sound,                               "sound"
9365   },
9366   {
9367     TYPE_SWITCH,
9368     &setup.sound_loops,                         "repeating_sound_loops"
9369   },
9370   {
9371     TYPE_SWITCH,
9372     &setup.sound_music,                         "background_music"
9373   },
9374   {
9375     TYPE_SWITCH,
9376     &setup.sound_simple,                        "simple_sound_effects"
9377   },
9378   {
9379     TYPE_SWITCH,
9380     &setup.toons,                               "toons"
9381   },
9382   {
9383     TYPE_SWITCH,
9384     &setup.scroll_delay,                        "scroll_delay"
9385   },
9386   {
9387     TYPE_SWITCH,
9388     &setup.forced_scroll_delay,                 "forced_scroll_delay"
9389   },
9390   {
9391     TYPE_INTEGER,
9392     &setup.scroll_delay_value,                  "scroll_delay_value"
9393   },
9394   {
9395     TYPE_STRING,
9396     &setup.engine_snapshot_mode,                "engine_snapshot_mode"
9397   },
9398   {
9399     TYPE_INTEGER,
9400     &setup.engine_snapshot_memory,              "engine_snapshot_memory"
9401   },
9402   {
9403     TYPE_SWITCH,
9404     &setup.fade_screens,                        "fade_screens"
9405   },
9406   {
9407     TYPE_SWITCH,
9408     &setup.autorecord,                          "automatic_tape_recording"
9409   },
9410   {
9411     TYPE_SWITCH,
9412     &setup.show_titlescreen,                    "show_titlescreen"
9413   },
9414   {
9415     TYPE_SWITCH,
9416     &setup.quick_doors,                         "quick_doors"
9417   },
9418   {
9419     TYPE_SWITCH,
9420     &setup.team_mode,                           "team_mode"
9421   },
9422   {
9423     TYPE_SWITCH,
9424     &setup.handicap,                            "handicap"
9425   },
9426   {
9427     TYPE_SWITCH,
9428     &setup.skip_levels,                         "skip_levels"
9429   },
9430   {
9431     TYPE_SWITCH,
9432     &setup.increment_levels,                    "increment_levels"
9433   },
9434   {
9435     TYPE_SWITCH,
9436     &setup.auto_play_next_level,                "auto_play_next_level"
9437   },
9438   {
9439     TYPE_SWITCH,
9440     &setup.count_score_after_game,              "count_score_after_game"
9441   },
9442   {
9443     TYPE_SWITCH,
9444     &setup.show_scores_after_game,              "show_scores_after_game"
9445   },
9446   {
9447     TYPE_SWITCH,
9448     &setup.time_limit,                          "time_limit"
9449   },
9450   {
9451     TYPE_SWITCH,
9452     &setup.fullscreen,                          "fullscreen"
9453   },
9454   {
9455     TYPE_INTEGER,
9456     &setup.window_scaling_percent,              "window_scaling_percent"
9457   },
9458   {
9459     TYPE_STRING,
9460     &setup.window_scaling_quality,              "window_scaling_quality"
9461   },
9462   {
9463     TYPE_STRING,
9464     &setup.screen_rendering_mode,               "screen_rendering_mode"
9465   },
9466   {
9467     TYPE_STRING,
9468     &setup.vsync_mode,                          "vsync_mode"
9469   },
9470   {
9471     TYPE_SWITCH,
9472     &setup.ask_on_escape,                       "ask_on_escape"
9473   },
9474   {
9475     TYPE_SWITCH,
9476     &setup.ask_on_escape_editor,                "ask_on_escape_editor"
9477   },
9478   {
9479     TYPE_SWITCH,
9480     &setup.ask_on_game_over,                    "ask_on_game_over"
9481   },
9482   {
9483     TYPE_SWITCH,
9484     &setup.ask_on_quit_game,                    "ask_on_quit_game"
9485   },
9486   {
9487     TYPE_SWITCH,
9488     &setup.ask_on_quit_program,                 "ask_on_quit_program"
9489   },
9490   {
9491     TYPE_SWITCH,
9492     &setup.quick_switch,                        "quick_player_switch"
9493   },
9494   {
9495     TYPE_SWITCH,
9496     &setup.input_on_focus,                      "input_on_focus"
9497   },
9498   {
9499     TYPE_SWITCH,
9500     &setup.prefer_aga_graphics,                 "prefer_aga_graphics"
9501   },
9502   {
9503     TYPE_SWITCH,
9504     &setup.prefer_lowpass_sounds,               "prefer_lowpass_sounds"
9505   },
9506   {
9507     TYPE_SWITCH,
9508     &setup.prefer_extra_panel_items,            "prefer_extra_panel_items"
9509   },
9510   {
9511     TYPE_SWITCH,
9512     &setup.game_speed_extended,                 "game_speed_extended"
9513   },
9514   {
9515     TYPE_INTEGER,
9516     &setup.game_frame_delay,                    "game_frame_delay"
9517   },
9518   {
9519     TYPE_SWITCH,
9520     &setup.sp_show_border_elements,             "sp_show_border_elements"
9521   },
9522   {
9523     TYPE_SWITCH,
9524     &setup.small_game_graphics,                 "small_game_graphics"
9525   },
9526   {
9527     TYPE_SWITCH,
9528     &setup.show_snapshot_buttons,               "show_snapshot_buttons"
9529   },
9530   {
9531     TYPE_SWITCH,
9532     &setup.only_show_local_scores,              "only_show_local_scores"
9533   },
9534   {
9535     TYPE_STRING,
9536     &setup.graphics_set,                        "graphics_set"
9537   },
9538   {
9539     TYPE_STRING,
9540     &setup.sounds_set,                          "sounds_set"
9541   },
9542   {
9543     TYPE_STRING,
9544     &setup.music_set,                           "music_set"
9545   },
9546   {
9547     TYPE_SWITCH3,
9548     &setup.override_level_graphics,             "override_level_graphics"
9549   },
9550   {
9551     TYPE_SWITCH3,
9552     &setup.override_level_sounds,               "override_level_sounds"
9553   },
9554   {
9555     TYPE_SWITCH3,
9556     &setup.override_level_music,                "override_level_music"
9557   },
9558   {
9559     TYPE_INTEGER,
9560     &setup.volume_simple,                       "volume_simple"
9561   },
9562   {
9563     TYPE_INTEGER,
9564     &setup.volume_loops,                        "volume_loops"
9565   },
9566   {
9567     TYPE_INTEGER,
9568     &setup.volume_music,                        "volume_music"
9569   },
9570   {
9571     TYPE_SWITCH,
9572     &setup.network_mode,                        "network_mode"
9573   },
9574   {
9575     TYPE_PLAYER,
9576     &setup.network_player_nr,                   "network_player"
9577   },
9578   {
9579     TYPE_STRING,
9580     &setup.network_server_hostname,             "network_server_hostname"
9581   },
9582   {
9583     TYPE_SWITCH,
9584     &setup.api_server,                          "api_server"
9585   },
9586   {
9587     TYPE_STRING,
9588     &setup.api_server_hostname,                 "api_server_hostname"
9589   },
9590   {
9591     TYPE_STRING,
9592     &setup.touch.control_type,                  "touch.control_type"
9593   },
9594   {
9595     TYPE_INTEGER,
9596     &setup.touch.move_distance,                 "touch.move_distance"
9597   },
9598   {
9599     TYPE_INTEGER,
9600     &setup.touch.drop_distance,                 "touch.drop_distance"
9601   },
9602   {
9603     TYPE_INTEGER,
9604     &setup.touch.transparency,                  "touch.transparency"
9605   },
9606   {
9607     TYPE_INTEGER,
9608     &setup.touch.draw_outlined,                 "touch.draw_outlined"
9609   },
9610   {
9611     TYPE_INTEGER,
9612     &setup.touch.draw_pressed,                  "touch.draw_pressed"
9613   },
9614   {
9615     TYPE_INTEGER,
9616     &setup.touch.grid_xsize[0],                 "touch.virtual_buttons.0.xsize"
9617   },
9618   {
9619     TYPE_INTEGER,
9620     &setup.touch.grid_ysize[0],                 "touch.virtual_buttons.0.ysize"
9621   },
9622   {
9623     TYPE_INTEGER,
9624     &setup.touch.grid_xsize[1],                 "touch.virtual_buttons.1.xsize"
9625   },
9626   {
9627     TYPE_INTEGER,
9628     &setup.touch.grid_ysize[1],                 "touch.virtual_buttons.1.ysize"
9629   },
9630 };
9631
9632 static struct TokenInfo auto_setup_tokens[] =
9633 {
9634   {
9635     TYPE_INTEGER,
9636     &setup.auto_setup.editor_zoom_tilesize,     "editor.zoom_tilesize"
9637   },
9638 };
9639
9640 static struct TokenInfo editor_setup_tokens[] =
9641 {
9642   {
9643     TYPE_SWITCH,
9644     &setup.editor.el_classic,                   "editor.el_classic"
9645   },
9646   {
9647     TYPE_SWITCH,
9648     &setup.editor.el_custom,                    "editor.el_custom"
9649   },
9650   {
9651     TYPE_SWITCH,
9652     &setup.editor.el_user_defined,              "editor.el_user_defined"
9653   },
9654   {
9655     TYPE_SWITCH,
9656     &setup.editor.el_dynamic,                   "editor.el_dynamic"
9657   },
9658   {
9659     TYPE_SWITCH,
9660     &setup.editor.el_headlines,                 "editor.el_headlines"
9661   },
9662   {
9663     TYPE_SWITCH,
9664     &setup.editor.show_element_token,           "editor.show_element_token"
9665   },
9666   {
9667     TYPE_SWITCH,
9668     &setup.editor.show_read_only_warning,       "editor.show_read_only_warning"
9669   },
9670 };
9671
9672 static struct TokenInfo editor_cascade_setup_tokens[] =
9673 {
9674   {
9675     TYPE_SWITCH,
9676     &setup.editor_cascade.el_bd,                "editor.cascade.el_bd"
9677   },
9678   {
9679     TYPE_SWITCH,
9680     &setup.editor_cascade.el_em,                "editor.cascade.el_em"
9681   },
9682   {
9683     TYPE_SWITCH,
9684     &setup.editor_cascade.el_emc,               "editor.cascade.el_emc"
9685   },
9686   {
9687     TYPE_SWITCH,
9688     &setup.editor_cascade.el_rnd,               "editor.cascade.el_rnd"
9689   },
9690   {
9691     TYPE_SWITCH,
9692     &setup.editor_cascade.el_sb,                "editor.cascade.el_sb"
9693   },
9694   {
9695     TYPE_SWITCH,
9696     &setup.editor_cascade.el_sp,                "editor.cascade.el_sp"
9697   },
9698   {
9699     TYPE_SWITCH,
9700     &setup.editor_cascade.el_dc,                "editor.cascade.el_dc"
9701   },
9702   {
9703     TYPE_SWITCH,
9704     &setup.editor_cascade.el_dx,                "editor.cascade.el_dx"
9705   },
9706   {
9707     TYPE_SWITCH,
9708     &setup.editor_cascade.el_mm,                "editor.cascade.el_mm"
9709   },
9710   {
9711     TYPE_SWITCH,
9712     &setup.editor_cascade.el_df,                "editor.cascade.el_df"
9713   },
9714   {
9715     TYPE_SWITCH,
9716     &setup.editor_cascade.el_chars,             "editor.cascade.el_chars"
9717   },
9718   {
9719     TYPE_SWITCH,
9720     &setup.editor_cascade.el_steel_chars,       "editor.cascade.el_steel_chars"
9721   },
9722   {
9723     TYPE_SWITCH,
9724     &setup.editor_cascade.el_ce,                "editor.cascade.el_ce"
9725   },
9726   {
9727     TYPE_SWITCH,
9728     &setup.editor_cascade.el_ge,                "editor.cascade.el_ge"
9729   },
9730   {
9731     TYPE_SWITCH,
9732     &setup.editor_cascade.el_ref,               "editor.cascade.el_ref"
9733   },
9734   {
9735     TYPE_SWITCH,
9736     &setup.editor_cascade.el_user,              "editor.cascade.el_user"
9737   },
9738   {
9739     TYPE_SWITCH,
9740     &setup.editor_cascade.el_dynamic,           "editor.cascade.el_dynamic"
9741   },
9742 };
9743
9744 static struct TokenInfo shortcut_setup_tokens[] =
9745 {
9746   {
9747     TYPE_KEY_X11,
9748     &setup.shortcut.save_game,                  "shortcut.save_game"
9749   },
9750   {
9751     TYPE_KEY_X11,
9752     &setup.shortcut.load_game,                  "shortcut.load_game"
9753   },
9754   {
9755     TYPE_KEY_X11,
9756     &setup.shortcut.toggle_pause,               "shortcut.toggle_pause"
9757   },
9758   {
9759     TYPE_KEY_X11,
9760     &setup.shortcut.focus_player[0],            "shortcut.focus_player_1"
9761   },
9762   {
9763     TYPE_KEY_X11,
9764     &setup.shortcut.focus_player[1],            "shortcut.focus_player_2"
9765   },
9766   {
9767     TYPE_KEY_X11,
9768     &setup.shortcut.focus_player[2],            "shortcut.focus_player_3"
9769   },
9770   {
9771     TYPE_KEY_X11,
9772     &setup.shortcut.focus_player[3],            "shortcut.focus_player_4"
9773   },
9774   {
9775     TYPE_KEY_X11,
9776     &setup.shortcut.focus_player_all,           "shortcut.focus_player_all"
9777   },
9778   {
9779     TYPE_KEY_X11,
9780     &setup.shortcut.tape_eject,                 "shortcut.tape_eject"
9781   },
9782   {
9783     TYPE_KEY_X11,
9784     &setup.shortcut.tape_extra,                 "shortcut.tape_extra"
9785   },
9786   {
9787     TYPE_KEY_X11,
9788     &setup.shortcut.tape_stop,                  "shortcut.tape_stop"
9789   },
9790   {
9791     TYPE_KEY_X11,
9792     &setup.shortcut.tape_pause,                 "shortcut.tape_pause"
9793   },
9794   {
9795     TYPE_KEY_X11,
9796     &setup.shortcut.tape_record,                "shortcut.tape_record"
9797   },
9798   {
9799     TYPE_KEY_X11,
9800     &setup.shortcut.tape_play,                  "shortcut.tape_play"
9801   },
9802   {
9803     TYPE_KEY_X11,
9804     &setup.shortcut.sound_simple,               "shortcut.sound_simple"
9805   },
9806   {
9807     TYPE_KEY_X11,
9808     &setup.shortcut.sound_loops,                "shortcut.sound_loops"
9809   },
9810   {
9811     TYPE_KEY_X11,
9812     &setup.shortcut.sound_music,                "shortcut.sound_music"
9813   },
9814   {
9815     TYPE_KEY_X11,
9816     &setup.shortcut.snap_left,                  "shortcut.snap_left"
9817   },
9818   {
9819     TYPE_KEY_X11,
9820     &setup.shortcut.snap_right,                 "shortcut.snap_right"
9821   },
9822   {
9823     TYPE_KEY_X11,
9824     &setup.shortcut.snap_up,                    "shortcut.snap_up"
9825   },
9826   {
9827     TYPE_KEY_X11,
9828     &setup.shortcut.snap_down,                  "shortcut.snap_down"
9829   },
9830 };
9831
9832 static struct SetupInputInfo setup_input;
9833 static struct TokenInfo player_setup_tokens[] =
9834 {
9835   {
9836     TYPE_BOOLEAN,
9837     &setup_input.use_joystick,                  ".use_joystick"
9838   },
9839   {
9840     TYPE_STRING,
9841     &setup_input.joy.device_name,               ".joy.device_name"
9842   },
9843   {
9844     TYPE_INTEGER,
9845     &setup_input.joy.xleft,                     ".joy.xleft"
9846   },
9847   {
9848     TYPE_INTEGER,
9849     &setup_input.joy.xmiddle,                   ".joy.xmiddle"
9850   },
9851   {
9852     TYPE_INTEGER,
9853     &setup_input.joy.xright,                    ".joy.xright"
9854   },
9855   {
9856     TYPE_INTEGER,
9857     &setup_input.joy.yupper,                    ".joy.yupper"
9858   },
9859   {
9860     TYPE_INTEGER,
9861     &setup_input.joy.ymiddle,                   ".joy.ymiddle"
9862   },
9863   {
9864     TYPE_INTEGER,
9865     &setup_input.joy.ylower,                    ".joy.ylower"
9866   },
9867   {
9868     TYPE_INTEGER,
9869     &setup_input.joy.snap,                      ".joy.snap_field"
9870   },
9871   {
9872     TYPE_INTEGER,
9873     &setup_input.joy.drop,                      ".joy.place_bomb"
9874   },
9875   {
9876     TYPE_KEY_X11,
9877     &setup_input.key.left,                      ".key.move_left"
9878   },
9879   {
9880     TYPE_KEY_X11,
9881     &setup_input.key.right,                     ".key.move_right"
9882   },
9883   {
9884     TYPE_KEY_X11,
9885     &setup_input.key.up,                        ".key.move_up"
9886   },
9887   {
9888     TYPE_KEY_X11,
9889     &setup_input.key.down,                      ".key.move_down"
9890   },
9891   {
9892     TYPE_KEY_X11,
9893     &setup_input.key.snap,                      ".key.snap_field"
9894   },
9895   {
9896     TYPE_KEY_X11,
9897     &setup_input.key.drop,                      ".key.place_bomb"
9898   },
9899 };
9900
9901 static struct TokenInfo system_setup_tokens[] =
9902 {
9903   {
9904     TYPE_STRING,
9905     &setup.system.sdl_renderdriver,             "system.sdl_renderdriver"
9906   },
9907   {
9908     TYPE_STRING,
9909     &setup.system.sdl_videodriver,              "system.sdl_videodriver"
9910   },
9911   {
9912     TYPE_STRING,
9913     &setup.system.sdl_audiodriver,              "system.sdl_audiodriver"
9914   },
9915   {
9916     TYPE_INTEGER,
9917     &setup.system.audio_fragment_size,          "system.audio_fragment_size"
9918   },
9919 };
9920
9921 static struct TokenInfo internal_setup_tokens[] =
9922 {
9923   {
9924     TYPE_STRING,
9925     &setup.internal.program_title,              "program_title"
9926   },
9927   {
9928     TYPE_STRING,
9929     &setup.internal.program_version,            "program_version"
9930   },
9931   {
9932     TYPE_STRING,
9933     &setup.internal.program_author,             "program_author"
9934   },
9935   {
9936     TYPE_STRING,
9937     &setup.internal.program_email,              "program_email"
9938   },
9939   {
9940     TYPE_STRING,
9941     &setup.internal.program_website,            "program_website"
9942   },
9943   {
9944     TYPE_STRING,
9945     &setup.internal.program_copyright,          "program_copyright"
9946   },
9947   {
9948     TYPE_STRING,
9949     &setup.internal.program_company,            "program_company"
9950   },
9951   {
9952     TYPE_STRING,
9953     &setup.internal.program_icon_file,          "program_icon_file"
9954   },
9955   {
9956     TYPE_STRING,
9957     &setup.internal.default_graphics_set,       "default_graphics_set"
9958   },
9959   {
9960     TYPE_STRING,
9961     &setup.internal.default_sounds_set,         "default_sounds_set"
9962   },
9963   {
9964     TYPE_STRING,
9965     &setup.internal.default_music_set,          "default_music_set"
9966   },
9967   {
9968     TYPE_STRING,
9969     &setup.internal.fallback_graphics_file,     "fallback_graphics_file"
9970   },
9971   {
9972     TYPE_STRING,
9973     &setup.internal.fallback_sounds_file,       "fallback_sounds_file"
9974   },
9975   {
9976     TYPE_STRING,
9977     &setup.internal.fallback_music_file,        "fallback_music_file"
9978   },
9979   {
9980     TYPE_STRING,
9981     &setup.internal.default_level_series,       "default_level_series"
9982   },
9983   {
9984     TYPE_INTEGER,
9985     &setup.internal.default_window_width,       "default_window_width"
9986   },
9987   {
9988     TYPE_INTEGER,
9989     &setup.internal.default_window_height,      "default_window_height"
9990   },
9991   {
9992     TYPE_BOOLEAN,
9993     &setup.internal.choose_from_top_leveldir,   "choose_from_top_leveldir"
9994   },
9995   {
9996     TYPE_BOOLEAN,
9997     &setup.internal.show_scaling_in_title,      "show_scaling_in_title"
9998   },
9999   {
10000     TYPE_BOOLEAN,
10001     &setup.internal.create_user_levelset,       "create_user_levelset"
10002   },
10003   {
10004     TYPE_BOOLEAN,
10005     &setup.internal.menu_game,                  "menu_game"
10006   },
10007   {
10008     TYPE_BOOLEAN,
10009     &setup.internal.menu_editor,                "menu_editor"
10010   },
10011   {
10012     TYPE_BOOLEAN,
10013     &setup.internal.menu_graphics,              "menu_graphics"
10014   },
10015   {
10016     TYPE_BOOLEAN,
10017     &setup.internal.menu_sound,                 "menu_sound"
10018   },
10019   {
10020     TYPE_BOOLEAN,
10021     &setup.internal.menu_artwork,               "menu_artwork"
10022   },
10023   {
10024     TYPE_BOOLEAN,
10025     &setup.internal.menu_input,                 "menu_input"
10026   },
10027   {
10028     TYPE_BOOLEAN,
10029     &setup.internal.menu_touch,                 "menu_touch"
10030   },
10031   {
10032     TYPE_BOOLEAN,
10033     &setup.internal.menu_shortcuts,             "menu_shortcuts"
10034   },
10035   {
10036     TYPE_BOOLEAN,
10037     &setup.internal.menu_exit,                  "menu_exit"
10038   },
10039   {
10040     TYPE_BOOLEAN,
10041     &setup.internal.menu_save_and_exit,         "menu_save_and_exit"
10042   },
10043 };
10044
10045 static struct TokenInfo debug_setup_tokens[] =
10046 {
10047   {
10048     TYPE_INTEGER,
10049     &setup.debug.frame_delay[0],                "debug.frame_delay_0"
10050   },
10051   {
10052     TYPE_INTEGER,
10053     &setup.debug.frame_delay[1],                "debug.frame_delay_1"
10054   },
10055   {
10056     TYPE_INTEGER,
10057     &setup.debug.frame_delay[2],                "debug.frame_delay_2"
10058   },
10059   {
10060     TYPE_INTEGER,
10061     &setup.debug.frame_delay[3],                "debug.frame_delay_3"
10062   },
10063   {
10064     TYPE_INTEGER,
10065     &setup.debug.frame_delay[4],                "debug.frame_delay_4"
10066   },
10067   {
10068     TYPE_INTEGER,
10069     &setup.debug.frame_delay[5],                "debug.frame_delay_5"
10070   },
10071   {
10072     TYPE_INTEGER,
10073     &setup.debug.frame_delay[6],                "debug.frame_delay_6"
10074   },
10075   {
10076     TYPE_INTEGER,
10077     &setup.debug.frame_delay[7],                "debug.frame_delay_7"
10078   },
10079   {
10080     TYPE_INTEGER,
10081     &setup.debug.frame_delay[8],                "debug.frame_delay_8"
10082   },
10083   {
10084     TYPE_INTEGER,
10085     &setup.debug.frame_delay[9],                "debug.frame_delay_9"
10086   },
10087   {
10088     TYPE_KEY_X11,
10089     &setup.debug.frame_delay_key[0],            "debug.key.frame_delay_0"
10090   },
10091   {
10092     TYPE_KEY_X11,
10093     &setup.debug.frame_delay_key[1],            "debug.key.frame_delay_1"
10094   },
10095   {
10096     TYPE_KEY_X11,
10097     &setup.debug.frame_delay_key[2],            "debug.key.frame_delay_2"
10098   },
10099   {
10100     TYPE_KEY_X11,
10101     &setup.debug.frame_delay_key[3],            "debug.key.frame_delay_3"
10102   },
10103   {
10104     TYPE_KEY_X11,
10105     &setup.debug.frame_delay_key[4],            "debug.key.frame_delay_4"
10106   },
10107   {
10108     TYPE_KEY_X11,
10109     &setup.debug.frame_delay_key[5],            "debug.key.frame_delay_5"
10110   },
10111   {
10112     TYPE_KEY_X11,
10113     &setup.debug.frame_delay_key[6],            "debug.key.frame_delay_6"
10114   },
10115   {
10116     TYPE_KEY_X11,
10117     &setup.debug.frame_delay_key[7],            "debug.key.frame_delay_7"
10118   },
10119   {
10120     TYPE_KEY_X11,
10121     &setup.debug.frame_delay_key[8],            "debug.key.frame_delay_8"
10122   },
10123   {
10124     TYPE_KEY_X11,
10125     &setup.debug.frame_delay_key[9],            "debug.key.frame_delay_9"
10126   },
10127   {
10128     TYPE_BOOLEAN,
10129     &setup.debug.frame_delay_use_mod_key,       "debug.frame_delay.use_mod_key"},
10130   {
10131     TYPE_BOOLEAN,
10132     &setup.debug.frame_delay_game_only,         "debug.frame_delay.game_only"
10133   },
10134   {
10135     TYPE_BOOLEAN,
10136     &setup.debug.show_frames_per_second,        "debug.show_frames_per_second"
10137   },
10138   {
10139     TYPE_SWITCH3,
10140     &setup.debug.xsn_mode,                      "debug.xsn_mode"
10141   },
10142   {
10143     TYPE_INTEGER,
10144     &setup.debug.xsn_percent,                   "debug.xsn_percent"
10145   },
10146 };
10147
10148 static struct TokenInfo options_setup_tokens[] =
10149 {
10150   {
10151     TYPE_BOOLEAN,
10152     &setup.options.verbose,                     "options.verbose"
10153   },
10154 };
10155
10156 static void setSetupInfoToDefaults(struct SetupInfo *si)
10157 {
10158   int i;
10159
10160   si->player_name = getStringCopy(getDefaultUserName(user.nr));
10161
10162   si->multiple_users = TRUE;
10163
10164   si->sound = TRUE;
10165   si->sound_loops = TRUE;
10166   si->sound_music = TRUE;
10167   si->sound_simple = TRUE;
10168   si->toons = TRUE;
10169   si->scroll_delay = TRUE;
10170   si->forced_scroll_delay = FALSE;
10171   si->scroll_delay_value = STD_SCROLL_DELAY;
10172   si->engine_snapshot_mode = getStringCopy(STR_SNAPSHOT_MODE_DEFAULT);
10173   si->engine_snapshot_memory = SNAPSHOT_MEMORY_DEFAULT;
10174   si->fade_screens = TRUE;
10175   si->autorecord = TRUE;
10176   si->show_titlescreen = TRUE;
10177   si->quick_doors = FALSE;
10178   si->team_mode = FALSE;
10179   si->handicap = TRUE;
10180   si->skip_levels = TRUE;
10181   si->increment_levels = TRUE;
10182   si->auto_play_next_level = TRUE;
10183   si->count_score_after_game = TRUE;
10184   si->show_scores_after_game = TRUE;
10185   si->time_limit = TRUE;
10186   si->fullscreen = FALSE;
10187   si->window_scaling_percent = STD_WINDOW_SCALING_PERCENT;
10188   si->window_scaling_quality = getStringCopy(SCALING_QUALITY_DEFAULT);
10189   si->screen_rendering_mode = getStringCopy(STR_SPECIAL_RENDERING_DEFAULT);
10190   si->vsync_mode = getStringCopy(STR_VSYNC_MODE_DEFAULT);
10191   si->ask_on_escape = TRUE;
10192   si->ask_on_escape_editor = TRUE;
10193   si->ask_on_game_over = TRUE;
10194   si->ask_on_quit_game = TRUE;
10195   si->ask_on_quit_program = TRUE;
10196   si->quick_switch = FALSE;
10197   si->input_on_focus = FALSE;
10198   si->prefer_aga_graphics = TRUE;
10199   si->prefer_lowpass_sounds = FALSE;
10200   si->prefer_extra_panel_items = TRUE;
10201   si->game_speed_extended = FALSE;
10202   si->game_frame_delay = GAME_FRAME_DELAY;
10203   si->sp_show_border_elements = FALSE;
10204   si->small_game_graphics = FALSE;
10205   si->show_snapshot_buttons = FALSE;
10206   si->only_show_local_scores = FALSE;
10207
10208   si->graphics_set = getStringCopy(GFX_CLASSIC_SUBDIR);
10209   si->sounds_set   = getStringCopy(SND_CLASSIC_SUBDIR);
10210   si->music_set    = getStringCopy(MUS_CLASSIC_SUBDIR);
10211
10212   si->override_level_graphics = FALSE;
10213   si->override_level_sounds = FALSE;
10214   si->override_level_music = FALSE;
10215
10216   si->volume_simple = 100;              // percent
10217   si->volume_loops = 100;               // percent
10218   si->volume_music = 100;               // percent
10219
10220   si->network_mode = FALSE;
10221   si->network_player_nr = 0;            // first player
10222   si->network_server_hostname = getStringCopy(STR_NETWORK_AUTO_DETECT);
10223
10224   si->api_server = TRUE;
10225   si->api_server_hostname = getStringCopy(API_SERVER_HOSTNAME);
10226
10227   si->touch.control_type = getStringCopy(TOUCH_CONTROL_DEFAULT);
10228   si->touch.move_distance = TOUCH_MOVE_DISTANCE_DEFAULT;        // percent
10229   si->touch.drop_distance = TOUCH_DROP_DISTANCE_DEFAULT;        // percent
10230   si->touch.transparency = TOUCH_TRANSPARENCY_DEFAULT;          // percent
10231   si->touch.draw_outlined = TRUE;
10232   si->touch.draw_pressed = TRUE;
10233
10234   for (i = 0; i < 2; i++)
10235   {
10236     char *default_grid_button[6][2] =
10237     {
10238       { "      ", "  ^^  " },
10239       { "      ", "  ^^  " },
10240       { "      ", "<<  >>" },
10241       { "      ", "<<  >>" },
10242       { "111222", "  vv  " },
10243       { "111222", "  vv  " }
10244     };
10245     int grid_xsize = DEFAULT_GRID_XSIZE(i);
10246     int grid_ysize = DEFAULT_GRID_YSIZE(i);
10247     int min_xsize = MIN(6, grid_xsize);
10248     int min_ysize = MIN(6, grid_ysize);
10249     int startx = grid_xsize - min_xsize;
10250     int starty = grid_ysize - min_ysize;
10251     int x, y;
10252
10253     // virtual buttons grid can only be set to defaults if video is initialized
10254     // (this will be repeated if virtual buttons are not loaded from setup file)
10255     if (video.initialized)
10256     {
10257       si->touch.grid_xsize[i] = grid_xsize;
10258       si->touch.grid_ysize[i] = grid_ysize;
10259     }
10260     else
10261     {
10262       si->touch.grid_xsize[i] = -1;
10263       si->touch.grid_ysize[i] = -1;
10264     }
10265
10266     for (x = 0; x < MAX_GRID_XSIZE; x++)
10267       for (y = 0; y < MAX_GRID_YSIZE; y++)
10268         si->touch.grid_button[i][x][y] = CHAR_GRID_BUTTON_NONE;
10269
10270     for (x = 0; x < min_xsize; x++)
10271       for (y = 0; y < min_ysize; y++)
10272         si->touch.grid_button[i][x][starty + y] =
10273           default_grid_button[y][0][x];
10274
10275     for (x = 0; x < min_xsize; x++)
10276       for (y = 0; y < min_ysize; y++)
10277         si->touch.grid_button[i][startx + x][starty + y] =
10278           default_grid_button[y][1][x];
10279   }
10280
10281   si->touch.grid_initialized            = video.initialized;
10282
10283   si->editor.el_boulderdash             = TRUE;
10284   si->editor.el_emerald_mine            = TRUE;
10285   si->editor.el_emerald_mine_club       = TRUE;
10286   si->editor.el_more                    = TRUE;
10287   si->editor.el_sokoban                 = TRUE;
10288   si->editor.el_supaplex                = TRUE;
10289   si->editor.el_diamond_caves           = TRUE;
10290   si->editor.el_dx_boulderdash          = TRUE;
10291
10292   si->editor.el_mirror_magic            = TRUE;
10293   si->editor.el_deflektor               = TRUE;
10294
10295   si->editor.el_chars                   = TRUE;
10296   si->editor.el_steel_chars             = TRUE;
10297
10298   si->editor.el_classic                 = TRUE;
10299   si->editor.el_custom                  = TRUE;
10300
10301   si->editor.el_user_defined            = FALSE;
10302   si->editor.el_dynamic                 = TRUE;
10303
10304   si->editor.el_headlines               = TRUE;
10305
10306   si->editor.show_element_token         = FALSE;
10307
10308   si->editor.show_read_only_warning     = TRUE;
10309
10310   si->editor.use_template_for_new_levels = TRUE;
10311
10312   si->shortcut.save_game        = DEFAULT_KEY_SAVE_GAME;
10313   si->shortcut.load_game        = DEFAULT_KEY_LOAD_GAME;
10314   si->shortcut.toggle_pause     = DEFAULT_KEY_TOGGLE_PAUSE;
10315
10316   si->shortcut.focus_player[0]  = DEFAULT_KEY_FOCUS_PLAYER_1;
10317   si->shortcut.focus_player[1]  = DEFAULT_KEY_FOCUS_PLAYER_2;
10318   si->shortcut.focus_player[2]  = DEFAULT_KEY_FOCUS_PLAYER_3;
10319   si->shortcut.focus_player[3]  = DEFAULT_KEY_FOCUS_PLAYER_4;
10320   si->shortcut.focus_player_all = DEFAULT_KEY_FOCUS_PLAYER_ALL;
10321
10322   si->shortcut.tape_eject       = DEFAULT_KEY_TAPE_EJECT;
10323   si->shortcut.tape_extra       = DEFAULT_KEY_TAPE_EXTRA;
10324   si->shortcut.tape_stop        = DEFAULT_KEY_TAPE_STOP;
10325   si->shortcut.tape_pause       = DEFAULT_KEY_TAPE_PAUSE;
10326   si->shortcut.tape_record      = DEFAULT_KEY_TAPE_RECORD;
10327   si->shortcut.tape_play        = DEFAULT_KEY_TAPE_PLAY;
10328
10329   si->shortcut.sound_simple     = DEFAULT_KEY_SOUND_SIMPLE;
10330   si->shortcut.sound_loops      = DEFAULT_KEY_SOUND_LOOPS;
10331   si->shortcut.sound_music      = DEFAULT_KEY_SOUND_MUSIC;
10332
10333   si->shortcut.snap_left        = DEFAULT_KEY_SNAP_LEFT;
10334   si->shortcut.snap_right       = DEFAULT_KEY_SNAP_RIGHT;
10335   si->shortcut.snap_up          = DEFAULT_KEY_SNAP_UP;
10336   si->shortcut.snap_down        = DEFAULT_KEY_SNAP_DOWN;
10337
10338   for (i = 0; i < MAX_PLAYERS; i++)
10339   {
10340     si->input[i].use_joystick = FALSE;
10341     si->input[i].joy.device_name=getStringCopy(getDeviceNameFromJoystickNr(i));
10342     si->input[i].joy.xleft   = JOYSTICK_XLEFT;
10343     si->input[i].joy.xmiddle = JOYSTICK_XMIDDLE;
10344     si->input[i].joy.xright  = JOYSTICK_XRIGHT;
10345     si->input[i].joy.yupper  = JOYSTICK_YUPPER;
10346     si->input[i].joy.ymiddle = JOYSTICK_YMIDDLE;
10347     si->input[i].joy.ylower  = JOYSTICK_YLOWER;
10348     si->input[i].joy.snap  = (i == 0 ? JOY_BUTTON_1 : 0);
10349     si->input[i].joy.drop  = (i == 0 ? JOY_BUTTON_2 : 0);
10350     si->input[i].key.left  = (i == 0 ? DEFAULT_KEY_LEFT  : KSYM_UNDEFINED);
10351     si->input[i].key.right = (i == 0 ? DEFAULT_KEY_RIGHT : KSYM_UNDEFINED);
10352     si->input[i].key.up    = (i == 0 ? DEFAULT_KEY_UP    : KSYM_UNDEFINED);
10353     si->input[i].key.down  = (i == 0 ? DEFAULT_KEY_DOWN  : KSYM_UNDEFINED);
10354     si->input[i].key.snap  = (i == 0 ? DEFAULT_KEY_SNAP  : KSYM_UNDEFINED);
10355     si->input[i].key.drop  = (i == 0 ? DEFAULT_KEY_DROP  : KSYM_UNDEFINED);
10356   }
10357
10358   si->system.sdl_renderdriver = getStringCopy(ARG_DEFAULT);
10359   si->system.sdl_videodriver = getStringCopy(ARG_DEFAULT);
10360   si->system.sdl_audiodriver = getStringCopy(ARG_DEFAULT);
10361   si->system.audio_fragment_size = DEFAULT_AUDIO_FRAGMENT_SIZE;
10362
10363   si->internal.program_title     = getStringCopy(PROGRAM_TITLE_STRING);
10364   si->internal.program_version   = getStringCopy(getProgramRealVersionString());
10365   si->internal.program_author    = getStringCopy(PROGRAM_AUTHOR_STRING);
10366   si->internal.program_email     = getStringCopy(PROGRAM_EMAIL_STRING);
10367   si->internal.program_website   = getStringCopy(PROGRAM_WEBSITE_STRING);
10368   si->internal.program_copyright = getStringCopy(PROGRAM_COPYRIGHT_STRING);
10369   si->internal.program_company   = getStringCopy(PROGRAM_COMPANY_STRING);
10370
10371   si->internal.program_icon_file = getStringCopy(PROGRAM_ICON_FILENAME);
10372
10373   si->internal.default_graphics_set = getStringCopy(GFX_CLASSIC_SUBDIR);
10374   si->internal.default_sounds_set   = getStringCopy(SND_CLASSIC_SUBDIR);
10375   si->internal.default_music_set    = getStringCopy(MUS_CLASSIC_SUBDIR);
10376
10377   si->internal.fallback_graphics_file = getStringCopy(UNDEFINED_FILENAME);
10378   si->internal.fallback_sounds_file   = getStringCopy(UNDEFINED_FILENAME);
10379   si->internal.fallback_music_file    = getStringCopy(UNDEFINED_FILENAME);
10380
10381   si->internal.default_level_series = getStringCopy(UNDEFINED_LEVELSET);
10382   si->internal.choose_from_top_leveldir = FALSE;
10383   si->internal.show_scaling_in_title = TRUE;
10384   si->internal.create_user_levelset = TRUE;
10385
10386   si->internal.default_window_width  = WIN_XSIZE_DEFAULT;
10387   si->internal.default_window_height = WIN_YSIZE_DEFAULT;
10388
10389   si->debug.frame_delay[0] = DEFAULT_FRAME_DELAY_0;
10390   si->debug.frame_delay[1] = DEFAULT_FRAME_DELAY_1;
10391   si->debug.frame_delay[2] = DEFAULT_FRAME_DELAY_2;
10392   si->debug.frame_delay[3] = DEFAULT_FRAME_DELAY_3;
10393   si->debug.frame_delay[4] = DEFAULT_FRAME_DELAY_4;
10394   si->debug.frame_delay[5] = DEFAULT_FRAME_DELAY_5;
10395   si->debug.frame_delay[6] = DEFAULT_FRAME_DELAY_6;
10396   si->debug.frame_delay[7] = DEFAULT_FRAME_DELAY_7;
10397   si->debug.frame_delay[8] = DEFAULT_FRAME_DELAY_8;
10398   si->debug.frame_delay[9] = DEFAULT_FRAME_DELAY_9;
10399
10400   si->debug.frame_delay_key[0] = DEFAULT_KEY_FRAME_DELAY_0;
10401   si->debug.frame_delay_key[1] = DEFAULT_KEY_FRAME_DELAY_1;
10402   si->debug.frame_delay_key[2] = DEFAULT_KEY_FRAME_DELAY_2;
10403   si->debug.frame_delay_key[3] = DEFAULT_KEY_FRAME_DELAY_3;
10404   si->debug.frame_delay_key[4] = DEFAULT_KEY_FRAME_DELAY_4;
10405   si->debug.frame_delay_key[5] = DEFAULT_KEY_FRAME_DELAY_5;
10406   si->debug.frame_delay_key[6] = DEFAULT_KEY_FRAME_DELAY_6;
10407   si->debug.frame_delay_key[7] = DEFAULT_KEY_FRAME_DELAY_7;
10408   si->debug.frame_delay_key[8] = DEFAULT_KEY_FRAME_DELAY_8;
10409   si->debug.frame_delay_key[9] = DEFAULT_KEY_FRAME_DELAY_9;
10410
10411   si->debug.frame_delay_use_mod_key = DEFAULT_FRAME_DELAY_USE_MOD_KEY;
10412   si->debug.frame_delay_game_only   = DEFAULT_FRAME_DELAY_GAME_ONLY;
10413
10414   si->debug.show_frames_per_second = FALSE;
10415
10416   si->debug.xsn_mode = AUTO;
10417   si->debug.xsn_percent = 0;
10418
10419   si->options.verbose = FALSE;
10420
10421 #if defined(PLATFORM_ANDROID)
10422   si->fullscreen = TRUE;
10423 #endif
10424
10425   setHideSetupEntry(&setup.debug.xsn_mode);
10426 }
10427
10428 static void setSetupInfoToDefaults_AutoSetup(struct SetupInfo *si)
10429 {
10430   si->auto_setup.editor_zoom_tilesize = MINI_TILESIZE;
10431 }
10432
10433 static void setSetupInfoToDefaults_EditorCascade(struct SetupInfo *si)
10434 {
10435   si->editor_cascade.el_bd              = TRUE;
10436   si->editor_cascade.el_em              = TRUE;
10437   si->editor_cascade.el_emc             = TRUE;
10438   si->editor_cascade.el_rnd             = TRUE;
10439   si->editor_cascade.el_sb              = TRUE;
10440   si->editor_cascade.el_sp              = TRUE;
10441   si->editor_cascade.el_dc              = TRUE;
10442   si->editor_cascade.el_dx              = TRUE;
10443
10444   si->editor_cascade.el_mm              = TRUE;
10445   si->editor_cascade.el_df              = TRUE;
10446
10447   si->editor_cascade.el_chars           = FALSE;
10448   si->editor_cascade.el_steel_chars     = FALSE;
10449   si->editor_cascade.el_ce              = FALSE;
10450   si->editor_cascade.el_ge              = FALSE;
10451   si->editor_cascade.el_ref             = FALSE;
10452   si->editor_cascade.el_user            = FALSE;
10453   si->editor_cascade.el_dynamic         = FALSE;
10454 }
10455
10456 #define MAX_HIDE_SETUP_TOKEN_SIZE               20
10457
10458 static char *getHideSetupToken(void *setup_value)
10459 {
10460   static char hide_setup_token[MAX_HIDE_SETUP_TOKEN_SIZE];
10461
10462   if (setup_value != NULL)
10463     snprintf(hide_setup_token, MAX_HIDE_SETUP_TOKEN_SIZE, "%p", setup_value);
10464
10465   return hide_setup_token;
10466 }
10467
10468 void setHideSetupEntry(void *setup_value)
10469 {
10470   char *hide_setup_token = getHideSetupToken(setup_value);
10471
10472   if (hide_setup_hash == NULL)
10473     hide_setup_hash = newSetupFileHash();
10474
10475   if (setup_value != NULL)
10476     setHashEntry(hide_setup_hash, hide_setup_token, "");
10477 }
10478
10479 void removeHideSetupEntry(void *setup_value)
10480 {
10481   char *hide_setup_token = getHideSetupToken(setup_value);
10482
10483   if (setup_value != NULL)
10484     removeHashEntry(hide_setup_hash, hide_setup_token);
10485 }
10486
10487 boolean hideSetupEntry(void *setup_value)
10488 {
10489   char *hide_setup_token = getHideSetupToken(setup_value);
10490
10491   return (setup_value != NULL &&
10492           getHashEntry(hide_setup_hash, hide_setup_token) != NULL);
10493 }
10494
10495 static void setSetupInfoFromTokenText(SetupFileHash *setup_file_hash,
10496                                       struct TokenInfo *token_info,
10497                                       int token_nr, char *token_text)
10498 {
10499   char *token_hide_text = getStringCat2(token_text, ".hide");
10500   char *token_hide_value = getHashEntry(setup_file_hash, token_hide_text);
10501
10502   // set the value of this setup option in the setup option structure
10503   setSetupInfo(token_info, token_nr, getHashEntry(setup_file_hash, token_text));
10504
10505   // check if this setup option should be hidden in the setup menu
10506   if (token_hide_value != NULL && get_boolean_from_string(token_hide_value))
10507     setHideSetupEntry(token_info[token_nr].value);
10508
10509   free(token_hide_text);
10510 }
10511
10512 static void setSetupInfoFromTokenInfo(SetupFileHash *setup_file_hash,
10513                                       struct TokenInfo *token_info,
10514                                       int token_nr)
10515 {
10516   setSetupInfoFromTokenText(setup_file_hash, token_info, token_nr,
10517                             token_info[token_nr].text);
10518 }
10519
10520 static void decodeSetupFileHash(SetupFileHash *setup_file_hash)
10521 {
10522   int i, pnr;
10523
10524   if (!setup_file_hash)
10525     return;
10526
10527   for (i = 0; i < ARRAY_SIZE(global_setup_tokens); i++)
10528     setSetupInfoFromTokenInfo(setup_file_hash, global_setup_tokens, i);
10529
10530   setup.touch.grid_initialized = TRUE;
10531   for (i = 0; i < 2; i++)
10532   {
10533     int grid_xsize = setup.touch.grid_xsize[i];
10534     int grid_ysize = setup.touch.grid_ysize[i];
10535     int x, y;
10536
10537     // if virtual buttons are not loaded from setup file, repeat initializing
10538     // virtual buttons grid with default values later when video is initialized
10539     if (grid_xsize == -1 ||
10540         grid_ysize == -1)
10541     {
10542       setup.touch.grid_initialized = FALSE;
10543
10544       continue;
10545     }
10546
10547     for (y = 0; y < grid_ysize; y++)
10548     {
10549       char token_string[MAX_LINE_LEN];
10550
10551       sprintf(token_string, "touch.virtual_buttons.%d.%02d", i, y);
10552
10553       char *value_string = getHashEntry(setup_file_hash, token_string);
10554
10555       if (value_string == NULL)
10556         continue;
10557
10558       for (x = 0; x < grid_xsize; x++)
10559       {
10560         char c = value_string[x];
10561
10562         setup.touch.grid_button[i][x][y] =
10563           (c == '.' ? CHAR_GRID_BUTTON_NONE : c);
10564       }
10565     }
10566   }
10567
10568   for (i = 0; i < ARRAY_SIZE(editor_setup_tokens); i++)
10569     setSetupInfoFromTokenInfo(setup_file_hash, editor_setup_tokens, i);
10570
10571   for (i = 0; i < ARRAY_SIZE(shortcut_setup_tokens); i++)
10572     setSetupInfoFromTokenInfo(setup_file_hash, shortcut_setup_tokens, i);
10573
10574   for (pnr = 0; pnr < MAX_PLAYERS; pnr++)
10575   {
10576     char prefix[30];
10577
10578     sprintf(prefix, "%s%d", TOKEN_STR_PLAYER_PREFIX, pnr + 1);
10579
10580     setup_input = setup.input[pnr];
10581     for (i = 0; i < ARRAY_SIZE(player_setup_tokens); i++)
10582     {
10583       char full_token[100];
10584
10585       sprintf(full_token, "%s%s", prefix, player_setup_tokens[i].text);
10586       setSetupInfoFromTokenText(setup_file_hash, player_setup_tokens, i,
10587                                 full_token);
10588     }
10589     setup.input[pnr] = setup_input;
10590   }
10591
10592   for (i = 0; i < ARRAY_SIZE(system_setup_tokens); i++)
10593     setSetupInfoFromTokenInfo(setup_file_hash, system_setup_tokens, i);
10594
10595   for (i = 0; i < ARRAY_SIZE(internal_setup_tokens); i++)
10596     setSetupInfoFromTokenInfo(setup_file_hash, internal_setup_tokens, i);
10597
10598   for (i = 0; i < ARRAY_SIZE(debug_setup_tokens); i++)
10599     setSetupInfoFromTokenInfo(setup_file_hash, debug_setup_tokens, i);
10600
10601   for (i = 0; i < ARRAY_SIZE(options_setup_tokens); i++)
10602     setSetupInfoFromTokenInfo(setup_file_hash, options_setup_tokens, i);
10603
10604   setHideRelatedSetupEntries();
10605 }
10606
10607 static void decodeSetupFileHash_AutoSetup(SetupFileHash *setup_file_hash)
10608 {
10609   int i;
10610
10611   if (!setup_file_hash)
10612     return;
10613
10614   for (i = 0; i < ARRAY_SIZE(auto_setup_tokens); i++)
10615     setSetupInfo(auto_setup_tokens, i,
10616                  getHashEntry(setup_file_hash,
10617                               auto_setup_tokens[i].text));
10618 }
10619
10620 static void decodeSetupFileHash_EditorCascade(SetupFileHash *setup_file_hash)
10621 {
10622   int i;
10623
10624   if (!setup_file_hash)
10625     return;
10626
10627   for (i = 0; i < ARRAY_SIZE(editor_cascade_setup_tokens); i++)
10628     setSetupInfo(editor_cascade_setup_tokens, i,
10629                  getHashEntry(setup_file_hash,
10630                               editor_cascade_setup_tokens[i].text));
10631 }
10632
10633 void LoadUserNames(void)
10634 {
10635   int last_user_nr = user.nr;
10636   int i;
10637
10638   if (global.user_names != NULL)
10639   {
10640     for (i = 0; i < MAX_PLAYER_NAMES; i++)
10641       checked_free(global.user_names[i]);
10642
10643     checked_free(global.user_names);
10644   }
10645
10646   global.user_names = checked_calloc(MAX_PLAYER_NAMES * sizeof(char *));
10647
10648   for (i = 0; i < MAX_PLAYER_NAMES; i++)
10649   {
10650     user.nr = i;
10651
10652     SetupFileHash *setup_file_hash = loadSetupFileHash(getSetupFilename());
10653
10654     if (setup_file_hash)
10655     {
10656       char *player_name = getHashEntry(setup_file_hash, "player_name");
10657
10658       global.user_names[i] = getFixedUserName(player_name);
10659
10660       freeSetupFileHash(setup_file_hash);
10661     }
10662
10663     if (global.user_names[i] == NULL)
10664       global.user_names[i] = getStringCopy(getDefaultUserName(i));
10665   }
10666
10667   user.nr = last_user_nr;
10668 }
10669
10670 void LoadSetupFromFilename(char *filename)
10671 {
10672   SetupFileHash *setup_file_hash = loadSetupFileHash(filename);
10673
10674   if (setup_file_hash)
10675   {
10676     decodeSetupFileHash(setup_file_hash);
10677
10678     freeSetupFileHash(setup_file_hash);
10679   }
10680   else
10681   {
10682     Debug("setup", "using default setup values");
10683   }
10684 }
10685
10686 static void LoadSetup_SpecialPostProcessing(void)
10687 {
10688   char *player_name_new;
10689
10690   // needed to work around problems with fixed length strings
10691   player_name_new = getFixedUserName(setup.player_name);
10692   free(setup.player_name);
10693   setup.player_name = player_name_new;
10694
10695   // "scroll_delay: on(3) / off(0)" was replaced by scroll delay value
10696   if (setup.scroll_delay == FALSE)
10697   {
10698     setup.scroll_delay_value = MIN_SCROLL_DELAY;
10699     setup.scroll_delay = TRUE;                  // now always "on"
10700   }
10701
10702   // make sure that scroll delay value stays inside valid range
10703   setup.scroll_delay_value =
10704     MIN(MAX(MIN_SCROLL_DELAY, setup.scroll_delay_value), MAX_SCROLL_DELAY);
10705 }
10706
10707 void LoadSetup(void)
10708 {
10709   char *filename;
10710
10711   // always start with reliable default values
10712   setSetupInfoToDefaults(&setup);
10713
10714   // try to load setup values from default setup file
10715   filename = getDefaultSetupFilename();
10716
10717   if (fileExists(filename))
10718     LoadSetupFromFilename(filename);
10719
10720   // try to load setup values from user setup file
10721   filename = getSetupFilename();
10722
10723   LoadSetupFromFilename(filename);
10724
10725   LoadSetup_SpecialPostProcessing();
10726 }
10727
10728 void LoadSetup_AutoSetup(void)
10729 {
10730   char *filename = getPath2(getSetupDir(), AUTOSETUP_FILENAME);
10731   SetupFileHash *setup_file_hash = NULL;
10732
10733   // always start with reliable default values
10734   setSetupInfoToDefaults_AutoSetup(&setup);
10735
10736   setup_file_hash = loadSetupFileHash(filename);
10737
10738   if (setup_file_hash)
10739   {
10740     decodeSetupFileHash_AutoSetup(setup_file_hash);
10741
10742     freeSetupFileHash(setup_file_hash);
10743   }
10744
10745   free(filename);
10746 }
10747
10748 void LoadSetup_EditorCascade(void)
10749 {
10750   char *filename = getPath2(getSetupDir(), EDITORCASCADE_FILENAME);
10751   SetupFileHash *setup_file_hash = NULL;
10752
10753   // always start with reliable default values
10754   setSetupInfoToDefaults_EditorCascade(&setup);
10755
10756   setup_file_hash = loadSetupFileHash(filename);
10757
10758   if (setup_file_hash)
10759   {
10760     decodeSetupFileHash_EditorCascade(setup_file_hash);
10761
10762     freeSetupFileHash(setup_file_hash);
10763   }
10764
10765   free(filename);
10766 }
10767
10768 static void addGameControllerMappingToHash(SetupFileHash *mappings_hash,
10769                                            char *mapping_line)
10770 {
10771   char mapping_guid[MAX_LINE_LEN];
10772   char *mapping_start, *mapping_end;
10773
10774   // get GUID from game controller mapping line: copy complete line
10775   strncpy(mapping_guid, mapping_line, MAX_LINE_LEN - 1);
10776   mapping_guid[MAX_LINE_LEN - 1] = '\0';
10777
10778   // get GUID from game controller mapping line: cut after GUID part
10779   mapping_start = strchr(mapping_guid, ',');
10780   if (mapping_start != NULL)
10781     *mapping_start = '\0';
10782
10783   // cut newline from game controller mapping line
10784   mapping_end = strchr(mapping_line, '\n');
10785   if (mapping_end != NULL)
10786     *mapping_end = '\0';
10787
10788   // add mapping entry to game controller mappings hash
10789   setHashEntry(mappings_hash, mapping_guid, mapping_line);
10790 }
10791
10792 static void LoadSetup_ReadGameControllerMappings(SetupFileHash *mappings_hash,
10793                                                  char *filename)
10794 {
10795   FILE *file;
10796
10797   if (!(file = fopen(filename, MODE_READ)))
10798   {
10799     Warn("cannot read game controller mappings file '%s'", filename);
10800
10801     return;
10802   }
10803
10804   while (!feof(file))
10805   {
10806     char line[MAX_LINE_LEN];
10807
10808     if (!fgets(line, MAX_LINE_LEN, file))
10809       break;
10810
10811     addGameControllerMappingToHash(mappings_hash, line);
10812   }
10813
10814   fclose(file);
10815 }
10816
10817 void SaveSetup(void)
10818 {
10819   char *filename = getSetupFilename();
10820   FILE *file;
10821   int i, pnr;
10822
10823   InitUserDataDirectory();
10824
10825   if (!(file = fopen(filename, MODE_WRITE)))
10826   {
10827     Warn("cannot write setup file '%s'", filename);
10828
10829     return;
10830   }
10831
10832   fprintFileHeader(file, SETUP_FILENAME);
10833
10834   for (i = 0; i < ARRAY_SIZE(global_setup_tokens); i++)
10835   {
10836     // just to make things nicer :)
10837     if (global_setup_tokens[i].value == &setup.multiple_users           ||
10838         global_setup_tokens[i].value == &setup.sound                    ||
10839         global_setup_tokens[i].value == &setup.graphics_set             ||
10840         global_setup_tokens[i].value == &setup.volume_simple            ||
10841         global_setup_tokens[i].value == &setup.network_mode             ||
10842         global_setup_tokens[i].value == &setup.api_server               ||
10843         global_setup_tokens[i].value == &setup.touch.control_type       ||
10844         global_setup_tokens[i].value == &setup.touch.grid_xsize[0]      ||
10845         global_setup_tokens[i].value == &setup.touch.grid_xsize[1])
10846       fprintf(file, "\n");
10847
10848     fprintf(file, "%s\n", getSetupLine(global_setup_tokens, "", i));
10849   }
10850
10851   for (i = 0; i < 2; i++)
10852   {
10853     int grid_xsize = setup.touch.grid_xsize[i];
10854     int grid_ysize = setup.touch.grid_ysize[i];
10855     int x, y;
10856
10857     fprintf(file, "\n");
10858
10859     for (y = 0; y < grid_ysize; y++)
10860     {
10861       char token_string[MAX_LINE_LEN];
10862       char value_string[MAX_LINE_LEN];
10863
10864       sprintf(token_string, "touch.virtual_buttons.%d.%02d", i, y);
10865
10866       for (x = 0; x < grid_xsize; x++)
10867       {
10868         char c = setup.touch.grid_button[i][x][y];
10869
10870         value_string[x] = (c == CHAR_GRID_BUTTON_NONE ? '.' : c);
10871       }
10872
10873       value_string[grid_xsize] = '\0';
10874
10875       fprintf(file, "%s\n", getFormattedSetupEntry(token_string, value_string));
10876     }
10877   }
10878
10879   fprintf(file, "\n");
10880   for (i = 0; i < ARRAY_SIZE(editor_setup_tokens); i++)
10881     fprintf(file, "%s\n", getSetupLine(editor_setup_tokens, "", i));
10882
10883   fprintf(file, "\n");
10884   for (i = 0; i < ARRAY_SIZE(shortcut_setup_tokens); i++)
10885     fprintf(file, "%s\n", getSetupLine(shortcut_setup_tokens, "", i));
10886
10887   for (pnr = 0; pnr < MAX_PLAYERS; pnr++)
10888   {
10889     char prefix[30];
10890
10891     sprintf(prefix, "%s%d", TOKEN_STR_PLAYER_PREFIX, pnr + 1);
10892     fprintf(file, "\n");
10893
10894     setup_input = setup.input[pnr];
10895     for (i = 0; i < ARRAY_SIZE(player_setup_tokens); i++)
10896       fprintf(file, "%s\n", getSetupLine(player_setup_tokens, prefix, i));
10897   }
10898
10899   fprintf(file, "\n");
10900   for (i = 0; i < ARRAY_SIZE(system_setup_tokens); i++)
10901     fprintf(file, "%s\n", getSetupLine(system_setup_tokens, "", i));
10902
10903   // (internal setup values not saved to user setup file)
10904
10905   fprintf(file, "\n");
10906   for (i = 0; i < ARRAY_SIZE(debug_setup_tokens); i++)
10907     if (!strPrefix(debug_setup_tokens[i].text, "debug.xsn_") ||
10908         setup.debug.xsn_mode != AUTO)
10909       fprintf(file, "%s\n", getSetupLine(debug_setup_tokens, "", i));
10910
10911   fprintf(file, "\n");
10912   for (i = 0; i < ARRAY_SIZE(options_setup_tokens); i++)
10913     fprintf(file, "%s\n", getSetupLine(options_setup_tokens, "", i));
10914
10915   fclose(file);
10916
10917   SetFilePermissions(filename, PERMS_PRIVATE);
10918 }
10919
10920 void SaveSetup_AutoSetup(void)
10921 {
10922   char *filename = getPath2(getSetupDir(), AUTOSETUP_FILENAME);
10923   FILE *file;
10924   int i;
10925
10926   InitUserDataDirectory();
10927
10928   if (!(file = fopen(filename, MODE_WRITE)))
10929   {
10930     Warn("cannot write auto setup file '%s'", filename);
10931
10932     free(filename);
10933
10934     return;
10935   }
10936
10937   fprintFileHeader(file, AUTOSETUP_FILENAME);
10938
10939   for (i = 0; i < ARRAY_SIZE(auto_setup_tokens); i++)
10940     fprintf(file, "%s\n", getSetupLine(auto_setup_tokens, "", i));
10941
10942   fclose(file);
10943
10944   SetFilePermissions(filename, PERMS_PRIVATE);
10945
10946   free(filename);
10947 }
10948
10949 void SaveSetup_EditorCascade(void)
10950 {
10951   char *filename = getPath2(getSetupDir(), EDITORCASCADE_FILENAME);
10952   FILE *file;
10953   int i;
10954
10955   InitUserDataDirectory();
10956
10957   if (!(file = fopen(filename, MODE_WRITE)))
10958   {
10959     Warn("cannot write editor cascade state file '%s'", filename);
10960
10961     free(filename);
10962
10963     return;
10964   }
10965
10966   fprintFileHeader(file, EDITORCASCADE_FILENAME);
10967
10968   for (i = 0; i < ARRAY_SIZE(editor_cascade_setup_tokens); i++)
10969     fprintf(file, "%s\n", getSetupLine(editor_cascade_setup_tokens, "", i));
10970
10971   fclose(file);
10972
10973   SetFilePermissions(filename, PERMS_PRIVATE);
10974
10975   free(filename);
10976 }
10977
10978 static void SaveSetup_WriteGameControllerMappings(SetupFileHash *mappings_hash,
10979                                                   char *filename)
10980 {
10981   FILE *file;
10982
10983   if (!(file = fopen(filename, MODE_WRITE)))
10984   {
10985     Warn("cannot write game controller mappings file '%s'", filename);
10986
10987     return;
10988   }
10989
10990   BEGIN_HASH_ITERATION(mappings_hash, itr)
10991   {
10992     fprintf(file, "%s\n", HASH_ITERATION_VALUE(itr));
10993   }
10994   END_HASH_ITERATION(mappings_hash, itr)
10995
10996   fclose(file);
10997 }
10998
10999 void SaveSetup_AddGameControllerMapping(char *mapping)
11000 {
11001   char *filename = getPath2(getSetupDir(), GAMECONTROLLER_BASENAME);
11002   SetupFileHash *mappings_hash = newSetupFileHash();
11003
11004   InitUserDataDirectory();
11005
11006   // load existing personal game controller mappings
11007   LoadSetup_ReadGameControllerMappings(mappings_hash, filename);
11008
11009   // add new mapping to personal game controller mappings
11010   addGameControllerMappingToHash(mappings_hash, mapping);
11011
11012   // save updated personal game controller mappings
11013   SaveSetup_WriteGameControllerMappings(mappings_hash, filename);
11014
11015   freeSetupFileHash(mappings_hash);
11016   free(filename);
11017 }
11018
11019 void LoadCustomElementDescriptions(void)
11020 {
11021   char *filename = getCustomArtworkConfigFilename(ARTWORK_TYPE_GRAPHICS);
11022   SetupFileHash *setup_file_hash;
11023   int i;
11024
11025   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
11026   {
11027     if (element_info[i].custom_description != NULL)
11028     {
11029       free(element_info[i].custom_description);
11030       element_info[i].custom_description = NULL;
11031     }
11032   }
11033
11034   if ((setup_file_hash = loadSetupFileHash(filename)) == NULL)
11035     return;
11036
11037   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
11038   {
11039     char *token = getStringCat2(element_info[i].token_name, ".name");
11040     char *value = getHashEntry(setup_file_hash, token);
11041
11042     if (value != NULL)
11043       element_info[i].custom_description = getStringCopy(value);
11044
11045     free(token);
11046   }
11047
11048   freeSetupFileHash(setup_file_hash);
11049 }
11050
11051 static int getElementFromToken(char *token)
11052 {
11053   char *value = getHashEntry(element_token_hash, token);
11054
11055   if (value != NULL)
11056     return atoi(value);
11057
11058   Warn("unknown element token '%s'", token);
11059
11060   return EL_UNDEFINED;
11061 }
11062
11063 void FreeGlobalAnimEventInfo(void)
11064 {
11065   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
11066
11067   if (gaei->event_list == NULL)
11068     return;
11069
11070   int i;
11071
11072   for (i = 0; i < gaei->num_event_lists; i++)
11073   {
11074     checked_free(gaei->event_list[i]->event_value);
11075     checked_free(gaei->event_list[i]);
11076   }
11077
11078   checked_free(gaei->event_list);
11079
11080   gaei->event_list = NULL;
11081   gaei->num_event_lists = 0;
11082 }
11083
11084 static int AddGlobalAnimEventList(void)
11085 {
11086   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
11087   int list_pos = gaei->num_event_lists++;
11088
11089   gaei->event_list = checked_realloc(gaei->event_list, gaei->num_event_lists *
11090                                      sizeof(struct GlobalAnimEventListInfo *));
11091
11092   gaei->event_list[list_pos] =
11093     checked_calloc(sizeof(struct GlobalAnimEventListInfo));
11094
11095   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
11096
11097   gaeli->event_value = NULL;
11098   gaeli->num_event_values = 0;
11099
11100   return list_pos;
11101 }
11102
11103 static int AddGlobalAnimEventValue(int list_pos, int event_value)
11104 {
11105   // do not add empty global animation events
11106   if (event_value == ANIM_EVENT_NONE)
11107     return list_pos;
11108
11109   // if list position is undefined, create new list
11110   if (list_pos == ANIM_EVENT_UNDEFINED)
11111     list_pos = AddGlobalAnimEventList();
11112
11113   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
11114   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
11115   int value_pos = gaeli->num_event_values++;
11116
11117   gaeli->event_value = checked_realloc(gaeli->event_value,
11118                                        gaeli->num_event_values * sizeof(int *));
11119
11120   gaeli->event_value[value_pos] = event_value;
11121
11122   return list_pos;
11123 }
11124
11125 int GetGlobalAnimEventValue(int list_pos, int value_pos)
11126 {
11127   if (list_pos == ANIM_EVENT_UNDEFINED)
11128     return ANIM_EVENT_NONE;
11129
11130   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
11131   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
11132
11133   return gaeli->event_value[value_pos];
11134 }
11135
11136 int GetGlobalAnimEventValueCount(int list_pos)
11137 {
11138   if (list_pos == ANIM_EVENT_UNDEFINED)
11139     return 0;
11140
11141   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
11142   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
11143
11144   return gaeli->num_event_values;
11145 }
11146
11147 // This function checks if a string <s> of the format "string1, string2, ..."
11148 // exactly contains a string <s_contained>.
11149
11150 static boolean string_has_parameter(char *s, char *s_contained)
11151 {
11152   char *substring;
11153
11154   if (s == NULL || s_contained == NULL)
11155     return FALSE;
11156
11157   if (strlen(s_contained) > strlen(s))
11158     return FALSE;
11159
11160   if (strncmp(s, s_contained, strlen(s_contained)) == 0)
11161   {
11162     char next_char = s[strlen(s_contained)];
11163
11164     // check if next character is delimiter or whitespace
11165     return (next_char == ',' || next_char == '\0' ||
11166             next_char == ' ' || next_char == '\t' ? TRUE : FALSE);
11167   }
11168
11169   // check if string contains another parameter string after a comma
11170   substring = strchr(s, ',');
11171   if (substring == NULL)        // string does not contain a comma
11172     return FALSE;
11173
11174   // advance string pointer to next character after the comma
11175   substring++;
11176
11177   // skip potential whitespaces after the comma
11178   while (*substring == ' ' || *substring == '\t')
11179     substring++;
11180
11181   return string_has_parameter(substring, s_contained);
11182 }
11183
11184 static int get_anim_parameter_value(char *s)
11185 {
11186   int event_value[] =
11187   {
11188     ANIM_EVENT_CLICK,
11189     ANIM_EVENT_INIT,
11190     ANIM_EVENT_START,
11191     ANIM_EVENT_END,
11192     ANIM_EVENT_POST
11193   };
11194   char *pattern_1[] =
11195   {
11196     "click:anim_",
11197     "init:anim_",
11198     "start:anim_",
11199     "end:anim_",
11200     "post:anim_"
11201   };
11202   char *pattern_2 = ".part_";
11203   char *matching_char = NULL;
11204   char *s_ptr = s;
11205   int pattern_1_len = 0;
11206   int result = ANIM_EVENT_NONE;
11207   int i;
11208
11209   for (i = 0; i < ARRAY_SIZE(event_value); i++)
11210   {
11211     matching_char = strstr(s_ptr, pattern_1[i]);
11212     pattern_1_len = strlen(pattern_1[i]);
11213     result = event_value[i];
11214
11215     if (matching_char != NULL)
11216       break;
11217   }
11218
11219   if (matching_char == NULL)
11220     return ANIM_EVENT_NONE;
11221
11222   s_ptr = matching_char + pattern_1_len;
11223
11224   // check for main animation number ("anim_X" or "anim_XX")
11225   if (*s_ptr >= '0' && *s_ptr <= '9')
11226   {
11227     int gic_anim_nr = (*s_ptr++ - '0');
11228
11229     if (*s_ptr >= '0' && *s_ptr <= '9')
11230       gic_anim_nr = 10 * gic_anim_nr + (*s_ptr++ - '0');
11231
11232     if (gic_anim_nr < 1 || gic_anim_nr > MAX_GLOBAL_ANIMS)
11233       return ANIM_EVENT_NONE;
11234
11235     result |= gic_anim_nr << ANIM_EVENT_ANIM_BIT;
11236   }
11237   else
11238   {
11239     // invalid main animation number specified
11240
11241     return ANIM_EVENT_NONE;
11242   }
11243
11244   // check for animation part number ("part_X" or "part_XX") (optional)
11245   if (strPrefix(s_ptr, pattern_2))
11246   {
11247     s_ptr += strlen(pattern_2);
11248
11249     if (*s_ptr >= '0' && *s_ptr <= '9')
11250     {
11251       int gic_part_nr = (*s_ptr++ - '0');
11252
11253       if (*s_ptr >= '0' && *s_ptr <= '9')
11254         gic_part_nr = 10 * gic_part_nr + (*s_ptr++ - '0');
11255
11256       if (gic_part_nr < 1 || gic_part_nr > MAX_GLOBAL_ANIM_PARTS)
11257         return ANIM_EVENT_NONE;
11258
11259       result |= gic_part_nr << ANIM_EVENT_PART_BIT;
11260     }
11261     else
11262     {
11263       // invalid animation part number specified
11264
11265       return ANIM_EVENT_NONE;
11266     }
11267   }
11268
11269   // discard result if next character is neither delimiter nor whitespace
11270   if (!(*s_ptr == ',' || *s_ptr == '\0' ||
11271         *s_ptr == ' ' || *s_ptr == '\t'))
11272     return ANIM_EVENT_NONE;
11273
11274   return result;
11275 }
11276
11277 static int get_anim_parameter_values(char *s)
11278 {
11279   int list_pos = ANIM_EVENT_UNDEFINED;
11280   int event_value = ANIM_EVENT_DEFAULT;
11281
11282   if (string_has_parameter(s, "any"))
11283     event_value |= ANIM_EVENT_ANY;
11284
11285   if (string_has_parameter(s, "click:self") ||
11286       string_has_parameter(s, "click") ||
11287       string_has_parameter(s, "self"))
11288     event_value |= ANIM_EVENT_SELF;
11289
11290   if (string_has_parameter(s, "unclick:any"))
11291     event_value |= ANIM_EVENT_UNCLICK_ANY;
11292
11293   // if animation event found, add it to global animation event list
11294   if (event_value != ANIM_EVENT_NONE)
11295     list_pos = AddGlobalAnimEventValue(list_pos, event_value);
11296
11297   while (s != NULL)
11298   {
11299     // add optional "click:anim_X" or "click:anim_X.part_X" parameter
11300     event_value = get_anim_parameter_value(s);
11301
11302     // if animation event found, add it to global animation event list
11303     if (event_value != ANIM_EVENT_NONE)
11304       list_pos = AddGlobalAnimEventValue(list_pos, event_value);
11305
11306     // continue with next part of the string, starting with next comma
11307     s = strchr(s + 1, ',');
11308   }
11309
11310   return list_pos;
11311 }
11312
11313 static int get_anim_action_parameter_value(char *token)
11314 {
11315   // check most common default case first to massively speed things up
11316   if (strEqual(token, ARG_UNDEFINED))
11317     return ANIM_EVENT_ACTION_NONE;
11318
11319   int result = getImageIDFromToken(token);
11320
11321   if (result == -1)
11322   {
11323     char *gfx_token = getStringCat2("gfx.", token);
11324
11325     result = getImageIDFromToken(gfx_token);
11326
11327     checked_free(gfx_token);
11328   }
11329
11330   if (result == -1)
11331   {
11332     Key key = getKeyFromX11KeyName(token);
11333
11334     if (key != KSYM_UNDEFINED)
11335       result = -(int)key;
11336   }
11337
11338   if (result == -1)
11339     result = ANIM_EVENT_ACTION_NONE;
11340
11341   return result;
11342 }
11343
11344 int get_parameter_value(char *value_raw, char *suffix, int type)
11345 {
11346   char *value = getStringToLower(value_raw);
11347   int result = 0;       // probably a save default value
11348
11349   if (strEqual(suffix, ".direction"))
11350   {
11351     result = (strEqual(value, "left")  ? MV_LEFT :
11352               strEqual(value, "right") ? MV_RIGHT :
11353               strEqual(value, "up")    ? MV_UP :
11354               strEqual(value, "down")  ? MV_DOWN : MV_NONE);
11355   }
11356   else if (strEqual(suffix, ".position"))
11357   {
11358     result = (strEqual(value, "left")   ? POS_LEFT :
11359               strEqual(value, "right")  ? POS_RIGHT :
11360               strEqual(value, "top")    ? POS_TOP :
11361               strEqual(value, "upper")  ? POS_UPPER :
11362               strEqual(value, "middle") ? POS_MIDDLE :
11363               strEqual(value, "lower")  ? POS_LOWER :
11364               strEqual(value, "bottom") ? POS_BOTTOM :
11365               strEqual(value, "any")    ? POS_ANY :
11366               strEqual(value, "last")   ? POS_LAST : POS_UNDEFINED);
11367   }
11368   else if (strEqual(suffix, ".align"))
11369   {
11370     result = (strEqual(value, "left")   ? ALIGN_LEFT :
11371               strEqual(value, "right")  ? ALIGN_RIGHT :
11372               strEqual(value, "center") ? ALIGN_CENTER :
11373               strEqual(value, "middle") ? ALIGN_CENTER : ALIGN_DEFAULT);
11374   }
11375   else if (strEqual(suffix, ".valign"))
11376   {
11377     result = (strEqual(value, "top")    ? VALIGN_TOP :
11378               strEqual(value, "bottom") ? VALIGN_BOTTOM :
11379               strEqual(value, "middle") ? VALIGN_MIDDLE :
11380               strEqual(value, "center") ? VALIGN_MIDDLE : VALIGN_DEFAULT);
11381   }
11382   else if (strEqual(suffix, ".anim_mode"))
11383   {
11384     result = (string_has_parameter(value, "none")       ? ANIM_NONE :
11385               string_has_parameter(value, "loop")       ? ANIM_LOOP :
11386               string_has_parameter(value, "linear")     ? ANIM_LINEAR :
11387               string_has_parameter(value, "pingpong")   ? ANIM_PINGPONG :
11388               string_has_parameter(value, "pingpong2")  ? ANIM_PINGPONG2 :
11389               string_has_parameter(value, "random")     ? ANIM_RANDOM :
11390               string_has_parameter(value, "ce_value")   ? ANIM_CE_VALUE :
11391               string_has_parameter(value, "ce_score")   ? ANIM_CE_SCORE :
11392               string_has_parameter(value, "ce_delay")   ? ANIM_CE_DELAY :
11393               string_has_parameter(value, "horizontal") ? ANIM_HORIZONTAL :
11394               string_has_parameter(value, "vertical")   ? ANIM_VERTICAL :
11395               string_has_parameter(value, "centered")   ? ANIM_CENTERED :
11396               string_has_parameter(value, "all")        ? ANIM_ALL :
11397               ANIM_DEFAULT);
11398
11399     if (string_has_parameter(value, "once"))
11400       result |= ANIM_ONCE;
11401
11402     if (string_has_parameter(value, "reverse"))
11403       result |= ANIM_REVERSE;
11404
11405     if (string_has_parameter(value, "opaque_player"))
11406       result |= ANIM_OPAQUE_PLAYER;
11407
11408     if (string_has_parameter(value, "static_panel"))
11409       result |= ANIM_STATIC_PANEL;
11410   }
11411   else if (strEqual(suffix, ".init_event") ||
11412            strEqual(suffix, ".anim_event"))
11413   {
11414     result = get_anim_parameter_values(value);
11415   }
11416   else if (strEqual(suffix, ".init_delay_action") ||
11417            strEqual(suffix, ".anim_delay_action") ||
11418            strEqual(suffix, ".post_delay_action") ||
11419            strEqual(suffix, ".init_event_action") ||
11420            strEqual(suffix, ".anim_event_action"))
11421   {
11422     result = get_anim_action_parameter_value(value_raw);
11423   }
11424   else if (strEqual(suffix, ".class"))
11425   {
11426     result = (strEqual(value, ARG_UNDEFINED) ? ARG_UNDEFINED_VALUE :
11427               get_hash_from_key(value));
11428   }
11429   else if (strEqual(suffix, ".style"))
11430   {
11431     result = STYLE_DEFAULT;
11432
11433     if (string_has_parameter(value, "accurate_borders"))
11434       result |= STYLE_ACCURATE_BORDERS;
11435
11436     if (string_has_parameter(value, "inner_corners"))
11437       result |= STYLE_INNER_CORNERS;
11438
11439     if (string_has_parameter(value, "reverse"))
11440       result |= STYLE_REVERSE;
11441
11442     if (string_has_parameter(value, "leftmost_position"))
11443       result |= STYLE_LEFTMOST_POSITION;
11444
11445     if (string_has_parameter(value, "block_clicks"))
11446       result |= STYLE_BLOCK;
11447
11448     if (string_has_parameter(value, "passthrough_clicks"))
11449       result |= STYLE_PASSTHROUGH;
11450
11451     if (string_has_parameter(value, "multiple_actions"))
11452       result |= STYLE_MULTIPLE_ACTIONS;
11453   }
11454   else if (strEqual(suffix, ".fade_mode"))
11455   {
11456     result = (string_has_parameter(value, "none")       ? FADE_MODE_NONE :
11457               string_has_parameter(value, "fade")       ? FADE_MODE_FADE :
11458               string_has_parameter(value, "crossfade")  ? FADE_MODE_CROSSFADE :
11459               string_has_parameter(value, "melt")       ? FADE_MODE_MELT :
11460               string_has_parameter(value, "curtain")    ? FADE_MODE_CURTAIN :
11461               FADE_MODE_DEFAULT);
11462   }
11463   else if (strEqual(suffix, ".auto_delay_unit"))
11464   {
11465     result = (string_has_parameter(value, "ms")     ? AUTO_DELAY_UNIT_MS :
11466               string_has_parameter(value, "frames") ? AUTO_DELAY_UNIT_FRAMES :
11467               AUTO_DELAY_UNIT_DEFAULT);
11468   }
11469   else if (strPrefix(suffix, ".font"))          // (may also be ".font_xyz")
11470   {
11471     result = gfx.get_font_from_token_function(value);
11472   }
11473   else          // generic parameter of type integer or boolean
11474   {
11475     result = (strEqual(value, ARG_UNDEFINED) ? ARG_UNDEFINED_VALUE :
11476               type == TYPE_INTEGER ? get_integer_from_string(value) :
11477               type == TYPE_BOOLEAN ? get_boolean_from_string(value) :
11478               ARG_UNDEFINED_VALUE);
11479   }
11480
11481   free(value);
11482
11483   return result;
11484 }
11485
11486 static int get_token_parameter_value(char *token, char *value_raw)
11487 {
11488   char *suffix;
11489
11490   if (token == NULL || value_raw == NULL)
11491     return ARG_UNDEFINED_VALUE;
11492
11493   suffix = strrchr(token, '.');
11494   if (suffix == NULL)
11495     suffix = token;
11496
11497   if (strEqual(suffix, ".element"))
11498     return getElementFromToken(value_raw);
11499
11500   // !!! USE CORRECT VALUE TYPE (currently works also for TYPE_BOOLEAN) !!!
11501   return get_parameter_value(value_raw, suffix, TYPE_INTEGER);
11502 }
11503
11504 void InitMenuDesignSettings_Static(void)
11505 {
11506   int i;
11507
11508   // always start with reliable default values from static default config
11509   for (i = 0; image_config_vars[i].token != NULL; i++)
11510   {
11511     char *value = getHashEntry(image_config_hash, image_config_vars[i].token);
11512
11513     if (value != NULL)
11514       *image_config_vars[i].value =
11515         get_token_parameter_value(image_config_vars[i].token, value);
11516   }
11517 }
11518
11519 static void InitMenuDesignSettings_SpecialPreProcessing(void)
11520 {
11521   int i;
11522
11523   // the following initializes hierarchical values from static configuration
11524
11525   // special case: initialize "ARG_DEFAULT" values in static default config
11526   // (e.g., initialize "[titlemessage].fade_mode" from "[title].fade_mode")
11527   titlescreen_initial_first_default.fade_mode  =
11528     title_initial_first_default.fade_mode;
11529   titlescreen_initial_first_default.fade_delay =
11530     title_initial_first_default.fade_delay;
11531   titlescreen_initial_first_default.post_delay =
11532     title_initial_first_default.post_delay;
11533   titlescreen_initial_first_default.auto_delay =
11534     title_initial_first_default.auto_delay;
11535   titlescreen_initial_first_default.auto_delay_unit =
11536     title_initial_first_default.auto_delay_unit;
11537   titlescreen_first_default.fade_mode  = title_first_default.fade_mode;
11538   titlescreen_first_default.fade_delay = title_first_default.fade_delay;
11539   titlescreen_first_default.post_delay = title_first_default.post_delay;
11540   titlescreen_first_default.auto_delay = title_first_default.auto_delay;
11541   titlescreen_first_default.auto_delay_unit =
11542     title_first_default.auto_delay_unit;
11543   titlemessage_initial_first_default.fade_mode  =
11544     title_initial_first_default.fade_mode;
11545   titlemessage_initial_first_default.fade_delay =
11546     title_initial_first_default.fade_delay;
11547   titlemessage_initial_first_default.post_delay =
11548     title_initial_first_default.post_delay;
11549   titlemessage_initial_first_default.auto_delay =
11550     title_initial_first_default.auto_delay;
11551   titlemessage_initial_first_default.auto_delay_unit =
11552     title_initial_first_default.auto_delay_unit;
11553   titlemessage_first_default.fade_mode  = title_first_default.fade_mode;
11554   titlemessage_first_default.fade_delay = title_first_default.fade_delay;
11555   titlemessage_first_default.post_delay = title_first_default.post_delay;
11556   titlemessage_first_default.auto_delay = title_first_default.auto_delay;
11557   titlemessage_first_default.auto_delay_unit =
11558     title_first_default.auto_delay_unit;
11559
11560   titlescreen_initial_default.fade_mode  = title_initial_default.fade_mode;
11561   titlescreen_initial_default.fade_delay = title_initial_default.fade_delay;
11562   titlescreen_initial_default.post_delay = title_initial_default.post_delay;
11563   titlescreen_initial_default.auto_delay = title_initial_default.auto_delay;
11564   titlescreen_initial_default.auto_delay_unit =
11565     title_initial_default.auto_delay_unit;
11566   titlescreen_default.fade_mode  = title_default.fade_mode;
11567   titlescreen_default.fade_delay = title_default.fade_delay;
11568   titlescreen_default.post_delay = title_default.post_delay;
11569   titlescreen_default.auto_delay = title_default.auto_delay;
11570   titlescreen_default.auto_delay_unit = title_default.auto_delay_unit;
11571   titlemessage_initial_default.fade_mode  = title_initial_default.fade_mode;
11572   titlemessage_initial_default.fade_delay = title_initial_default.fade_delay;
11573   titlemessage_initial_default.post_delay = title_initial_default.post_delay;
11574   titlemessage_initial_default.auto_delay_unit =
11575     title_initial_default.auto_delay_unit;
11576   titlemessage_default.fade_mode  = title_default.fade_mode;
11577   titlemessage_default.fade_delay = title_default.fade_delay;
11578   titlemessage_default.post_delay = title_default.post_delay;
11579   titlemessage_default.auto_delay = title_default.auto_delay;
11580   titlemessage_default.auto_delay_unit = title_default.auto_delay_unit;
11581
11582   // special case: initialize "ARG_DEFAULT" values in static default config
11583   // (e.g., init "titlemessage_1.fade_mode" from "[titlemessage].fade_mode")
11584   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
11585   {
11586     titlescreen_initial_first[i] = titlescreen_initial_first_default;
11587     titlescreen_first[i] = titlescreen_first_default;
11588     titlemessage_initial_first[i] = titlemessage_initial_first_default;
11589     titlemessage_first[i] = titlemessage_first_default;
11590
11591     titlescreen_initial[i] = titlescreen_initial_default;
11592     titlescreen[i] = titlescreen_default;
11593     titlemessage_initial[i] = titlemessage_initial_default;
11594     titlemessage[i] = titlemessage_default;
11595   }
11596
11597   // special case: initialize "ARG_DEFAULT" values in static default config
11598   // (eg, init "menu.enter_screen.SCORES.xyz" from "menu.enter_screen.xyz")
11599   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11600   {
11601     if (i == GFX_SPECIAL_ARG_TITLE)     // title values already initialized
11602       continue;
11603
11604     menu.enter_screen[i] = menu.enter_screen[GFX_SPECIAL_ARG_DEFAULT];
11605     menu.leave_screen[i] = menu.leave_screen[GFX_SPECIAL_ARG_DEFAULT];
11606     menu.next_screen[i]  = menu.next_screen[GFX_SPECIAL_ARG_DEFAULT];
11607   }
11608
11609   // special case: initialize "ARG_DEFAULT" values in static default config
11610   // (eg, init "viewport.door_1.MAIN.xyz" from "viewport.door_1.xyz")
11611   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11612   {
11613     viewport.window[i]    = viewport.window[GFX_SPECIAL_ARG_DEFAULT];
11614     viewport.playfield[i] = viewport.playfield[GFX_SPECIAL_ARG_DEFAULT];
11615     viewport.door_1[i]    = viewport.door_1[GFX_SPECIAL_ARG_DEFAULT];
11616
11617     if (i == GFX_SPECIAL_ARG_EDITOR)    // editor values already initialized
11618       continue;
11619
11620     viewport.door_2[i] = viewport.door_2[GFX_SPECIAL_ARG_DEFAULT];
11621   }
11622 }
11623
11624 static void InitMenuDesignSettings_SpecialPostProcessing(void)
11625 {
11626   static struct
11627   {
11628     struct XY *dst, *src;
11629   }
11630   game_buttons_xy[] =
11631   {
11632     { &game.button.save,        &game.button.stop       },
11633     { &game.button.pause2,      &game.button.pause      },
11634     { &game.button.load,        &game.button.play       },
11635     { &game.button.undo,        &game.button.stop       },
11636     { &game.button.redo,        &game.button.play       },
11637
11638     { NULL,                     NULL                    }
11639   };
11640   int i, j;
11641
11642   // special case: initialize later added SETUP list size from LEVELS value
11643   if (menu.list_size[GAME_MODE_SETUP] == -1)
11644     menu.list_size[GAME_MODE_SETUP] = menu.list_size[GAME_MODE_LEVELS];
11645
11646   // set default position for snapshot buttons to stop/pause/play buttons
11647   for (i = 0; game_buttons_xy[i].dst != NULL; i++)
11648     if ((*game_buttons_xy[i].dst).x == -1 &&
11649         (*game_buttons_xy[i].dst).y == -1)
11650       *game_buttons_xy[i].dst = *game_buttons_xy[i].src;
11651
11652   // --------------------------------------------------------------------------
11653   // dynamic viewports (including playfield margins, borders and alignments)
11654   // --------------------------------------------------------------------------
11655
11656   // dynamic viewports currently only supported for landscape mode
11657   int display_width  = MAX(video.display_width, video.display_height);
11658   int display_height = MIN(video.display_width, video.display_height);
11659
11660   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11661   {
11662     struct RectWithBorder *vp_window    = &viewport.window[i];
11663     struct RectWithBorder *vp_playfield = &viewport.playfield[i];
11664     struct RectWithBorder *vp_door_1    = &viewport.door_1[i];
11665     struct RectWithBorder *vp_door_2    = &viewport.door_2[i];
11666     boolean dynamic_window_width     = (vp_window->min_width     != -1);
11667     boolean dynamic_window_height    = (vp_window->min_height    != -1);
11668     boolean dynamic_playfield_width  = (vp_playfield->min_width  != -1);
11669     boolean dynamic_playfield_height = (vp_playfield->min_height != -1);
11670
11671     // adjust window size if min/max width/height is specified
11672
11673     if (vp_window->min_width != -1)
11674     {
11675       int window_width = display_width;
11676
11677       // when using static window height, use aspect ratio of display
11678       if (vp_window->min_height == -1)
11679         window_width = vp_window->height * display_width / display_height;
11680
11681       vp_window->width = MAX(vp_window->min_width, window_width);
11682     }
11683
11684     if (vp_window->min_height != -1)
11685     {
11686       int window_height = display_height;
11687
11688       // when using static window width, use aspect ratio of display
11689       if (vp_window->min_width == -1)
11690         window_height = vp_window->width * display_height / display_width;
11691
11692       vp_window->height = MAX(vp_window->min_height, window_height);
11693     }
11694
11695     if (vp_window->max_width != -1)
11696       vp_window->width = MIN(vp_window->width, vp_window->max_width);
11697
11698     if (vp_window->max_height != -1)
11699       vp_window->height = MIN(vp_window->height, vp_window->max_height);
11700
11701     int playfield_width  = vp_window->width;
11702     int playfield_height = vp_window->height;
11703
11704     // adjust playfield size and position according to specified margins
11705
11706     playfield_width  -= vp_playfield->margin_left;
11707     playfield_width  -= vp_playfield->margin_right;
11708
11709     playfield_height -= vp_playfield->margin_top;
11710     playfield_height -= vp_playfield->margin_bottom;
11711
11712     // adjust playfield size if min/max width/height is specified
11713
11714     if (vp_playfield->min_width != -1)
11715       vp_playfield->width = MAX(vp_playfield->min_width, playfield_width);
11716
11717     if (vp_playfield->min_height != -1)
11718       vp_playfield->height = MAX(vp_playfield->min_height, playfield_height);
11719
11720     if (vp_playfield->max_width != -1)
11721       vp_playfield->width = MIN(vp_playfield->width, vp_playfield->max_width);
11722
11723     if (vp_playfield->max_height != -1)
11724       vp_playfield->height = MIN(vp_playfield->height,vp_playfield->max_height);
11725
11726     // adjust playfield position according to specified alignment
11727
11728     if (vp_playfield->align == ALIGN_LEFT || vp_playfield->x > 0)
11729       vp_playfield->x = ALIGNED_VP_XPOS(vp_playfield);
11730     else if (vp_playfield->align == ALIGN_CENTER)
11731       vp_playfield->x = playfield_width / 2 - vp_playfield->width / 2;
11732     else if (vp_playfield->align == ALIGN_RIGHT)
11733       vp_playfield->x += playfield_width - vp_playfield->width;
11734
11735     if (vp_playfield->valign == VALIGN_TOP || vp_playfield->y > 0)
11736       vp_playfield->y = ALIGNED_VP_YPOS(vp_playfield);
11737     else if (vp_playfield->valign == VALIGN_MIDDLE)
11738       vp_playfield->y = playfield_height / 2 - vp_playfield->height / 2;
11739     else if (vp_playfield->valign == VALIGN_BOTTOM)
11740       vp_playfield->y += playfield_height - vp_playfield->height;
11741
11742     vp_playfield->x += vp_playfield->margin_left;
11743     vp_playfield->y += vp_playfield->margin_top;
11744
11745     // adjust individual playfield borders if only default border is specified
11746
11747     if (vp_playfield->border_left == -1)
11748       vp_playfield->border_left = vp_playfield->border_size;
11749     if (vp_playfield->border_right == -1)
11750       vp_playfield->border_right = vp_playfield->border_size;
11751     if (vp_playfield->border_top == -1)
11752       vp_playfield->border_top = vp_playfield->border_size;
11753     if (vp_playfield->border_bottom == -1)
11754       vp_playfield->border_bottom = vp_playfield->border_size;
11755
11756     // set dynamic playfield borders if borders are specified as undefined
11757     // (but only if window size was dynamic and playfield size was static)
11758
11759     if (dynamic_window_width && !dynamic_playfield_width)
11760     {
11761       if (vp_playfield->border_left == -1)
11762       {
11763         vp_playfield->border_left = (vp_playfield->x -
11764                                      vp_playfield->margin_left);
11765         vp_playfield->x     -= vp_playfield->border_left;
11766         vp_playfield->width += vp_playfield->border_left;
11767       }
11768
11769       if (vp_playfield->border_right == -1)
11770       {
11771         vp_playfield->border_right = (vp_window->width -
11772                                       vp_playfield->x -
11773                                       vp_playfield->width -
11774                                       vp_playfield->margin_right);
11775         vp_playfield->width += vp_playfield->border_right;
11776       }
11777     }
11778
11779     if (dynamic_window_height && !dynamic_playfield_height)
11780     {
11781       if (vp_playfield->border_top == -1)
11782       {
11783         vp_playfield->border_top = (vp_playfield->y -
11784                                     vp_playfield->margin_top);
11785         vp_playfield->y      -= vp_playfield->border_top;
11786         vp_playfield->height += vp_playfield->border_top;
11787       }
11788
11789       if (vp_playfield->border_bottom == -1)
11790       {
11791         vp_playfield->border_bottom = (vp_window->height -
11792                                        vp_playfield->y -
11793                                        vp_playfield->height -
11794                                        vp_playfield->margin_bottom);
11795         vp_playfield->height += vp_playfield->border_bottom;
11796       }
11797     }
11798
11799     // adjust playfield size to be a multiple of a defined alignment tile size
11800
11801     int align_size = vp_playfield->align_size;
11802     int playfield_xtiles = vp_playfield->width  / align_size;
11803     int playfield_ytiles = vp_playfield->height / align_size;
11804     int playfield_width_corrected  = playfield_xtiles * align_size;
11805     int playfield_height_corrected = playfield_ytiles * align_size;
11806     boolean is_playfield_mode = (i == GFX_SPECIAL_ARG_PLAYING ||
11807                                  i == GFX_SPECIAL_ARG_EDITOR);
11808
11809     if (is_playfield_mode &&
11810         dynamic_playfield_width &&
11811         vp_playfield->width != playfield_width_corrected)
11812     {
11813       int playfield_xdiff = vp_playfield->width - playfield_width_corrected;
11814
11815       vp_playfield->width = playfield_width_corrected;
11816
11817       if (vp_playfield->align == ALIGN_LEFT)
11818       {
11819         vp_playfield->border_left += playfield_xdiff;
11820       }
11821       else if (vp_playfield->align == ALIGN_RIGHT)
11822       {
11823         vp_playfield->border_right += playfield_xdiff;
11824       }
11825       else if (vp_playfield->align == ALIGN_CENTER)
11826       {
11827         int border_left_diff  = playfield_xdiff / 2;
11828         int border_right_diff = playfield_xdiff - border_left_diff;
11829
11830         vp_playfield->border_left  += border_left_diff;
11831         vp_playfield->border_right += border_right_diff;
11832       }
11833     }
11834
11835     if (is_playfield_mode &&
11836         dynamic_playfield_height &&
11837         vp_playfield->height != playfield_height_corrected)
11838     {
11839       int playfield_ydiff = vp_playfield->height - playfield_height_corrected;
11840
11841       vp_playfield->height = playfield_height_corrected;
11842
11843       if (vp_playfield->valign == VALIGN_TOP)
11844       {
11845         vp_playfield->border_top += playfield_ydiff;
11846       }
11847       else if (vp_playfield->align == VALIGN_BOTTOM)
11848       {
11849         vp_playfield->border_right += playfield_ydiff;
11850       }
11851       else if (vp_playfield->align == VALIGN_MIDDLE)
11852       {
11853         int border_top_diff    = playfield_ydiff / 2;
11854         int border_bottom_diff = playfield_ydiff - border_top_diff;
11855
11856         vp_playfield->border_top    += border_top_diff;
11857         vp_playfield->border_bottom += border_bottom_diff;
11858       }
11859     }
11860
11861     // adjust door positions according to specified alignment
11862
11863     for (j = 0; j < 2; j++)
11864     {
11865       struct RectWithBorder *vp_door = (j == 0 ? vp_door_1 : vp_door_2);
11866
11867       if (vp_door->align == ALIGN_LEFT || vp_door->x > 0)
11868         vp_door->x = ALIGNED_VP_XPOS(vp_door);
11869       else if (vp_door->align == ALIGN_CENTER)
11870         vp_door->x = vp_window->width / 2 - vp_door->width / 2;
11871       else if (vp_door->align == ALIGN_RIGHT)
11872         vp_door->x += vp_window->width - vp_door->width;
11873
11874       if (vp_door->valign == VALIGN_TOP || vp_door->y > 0)
11875         vp_door->y = ALIGNED_VP_YPOS(vp_door);
11876       else if (vp_door->valign == VALIGN_MIDDLE)
11877         vp_door->y = vp_window->height / 2 - vp_door->height / 2;
11878       else if (vp_door->valign == VALIGN_BOTTOM)
11879         vp_door->y += vp_window->height - vp_door->height;
11880     }
11881   }
11882 }
11883
11884 static void InitMenuDesignSettings_SpecialPostProcessing_AfterGraphics(void)
11885 {
11886   static struct
11887   {
11888     struct XYTileSize *dst, *src;
11889     int graphic;
11890   }
11891   editor_buttons_xy[] =
11892   {
11893     {
11894       &editor.button.element_left,      &editor.palette.element_left,
11895       IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT
11896     },
11897     {
11898       &editor.button.element_middle,    &editor.palette.element_middle,
11899       IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE
11900     },
11901     {
11902       &editor.button.element_right,     &editor.palette.element_right,
11903       IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT
11904     },
11905
11906     { NULL,                     NULL                    }
11907   };
11908   int i;
11909
11910   // set default position for element buttons to element graphics
11911   for (i = 0; editor_buttons_xy[i].dst != NULL; i++)
11912   {
11913     if ((*editor_buttons_xy[i].dst).x == -1 &&
11914         (*editor_buttons_xy[i].dst).y == -1)
11915     {
11916       struct GraphicInfo *gd = &graphic_info[editor_buttons_xy[i].graphic];
11917
11918       gd->width = gd->height = editor_buttons_xy[i].src->tile_size;
11919
11920       *editor_buttons_xy[i].dst = *editor_buttons_xy[i].src;
11921     }
11922   }
11923
11924   // adjust editor palette rows and columns if specified to be dynamic
11925
11926   if (editor.palette.cols == -1)
11927   {
11928     int vp_width = viewport.playfield[GFX_SPECIAL_ARG_EDITOR].width;
11929     int bt_width = graphic_info[IMG_EDITOR_PALETTE_BUTTON].width;
11930     int sc_width = graphic_info[IMG_EDITOR_PALETTE_SCROLLBAR].width;
11931
11932     editor.palette.cols = (vp_width - sc_width) / bt_width;
11933
11934     if (editor.palette.x == -1)
11935     {
11936       int palette_width = editor.palette.cols * bt_width + sc_width;
11937
11938       editor.palette.x = (vp_width - palette_width) / 2;
11939     }
11940   }
11941
11942   if (editor.palette.rows == -1)
11943   {
11944     int vp_height = viewport.playfield[GFX_SPECIAL_ARG_EDITOR].height;
11945     int bt_height = graphic_info[IMG_EDITOR_PALETTE_BUTTON].height;
11946     int tx_height = getFontHeight(FONT_TEXT_2);
11947
11948     editor.palette.rows = (vp_height - tx_height) / bt_height;
11949
11950     if (editor.palette.y == -1)
11951     {
11952       int palette_height = editor.palette.rows * bt_height + tx_height;
11953
11954       editor.palette.y = (vp_height - palette_height) / 2;
11955     }
11956   }
11957 }
11958
11959 static void LoadMenuDesignSettingsFromFilename(char *filename)
11960 {
11961   static struct TitleFadingInfo tfi;
11962   static struct TitleMessageInfo tmi;
11963   static struct TokenInfo title_tokens[] =
11964   {
11965     { TYPE_INTEGER,     &tfi.fade_mode,         ".fade_mode"            },
11966     { TYPE_INTEGER,     &tfi.fade_delay,        ".fade_delay"           },
11967     { TYPE_INTEGER,     &tfi.post_delay,        ".post_delay"           },
11968     { TYPE_INTEGER,     &tfi.auto_delay,        ".auto_delay"           },
11969     { TYPE_INTEGER,     &tfi.auto_delay_unit,   ".auto_delay_unit"      },
11970
11971     { -1,               NULL,                   NULL                    }
11972   };
11973   static struct TokenInfo titlemessage_tokens[] =
11974   {
11975     { TYPE_INTEGER,     &tmi.x,                 ".x"                    },
11976     { TYPE_INTEGER,     &tmi.y,                 ".y"                    },
11977     { TYPE_INTEGER,     &tmi.width,             ".width"                },
11978     { TYPE_INTEGER,     &tmi.height,            ".height"               },
11979     { TYPE_INTEGER,     &tmi.chars,             ".chars"                },
11980     { TYPE_INTEGER,     &tmi.lines,             ".lines"                },
11981     { TYPE_INTEGER,     &tmi.align,             ".align"                },
11982     { TYPE_INTEGER,     &tmi.valign,            ".valign"               },
11983     { TYPE_INTEGER,     &tmi.font,              ".font"                 },
11984     { TYPE_BOOLEAN,     &tmi.autowrap,          ".autowrap"             },
11985     { TYPE_BOOLEAN,     &tmi.centered,          ".centered"             },
11986     { TYPE_BOOLEAN,     &tmi.parse_comments,    ".parse_comments"       },
11987     { TYPE_INTEGER,     &tmi.sort_priority,     ".sort_priority"        },
11988     { TYPE_INTEGER,     &tmi.fade_mode,         ".fade_mode"            },
11989     { TYPE_INTEGER,     &tmi.fade_delay,        ".fade_delay"           },
11990     { TYPE_INTEGER,     &tmi.post_delay,        ".post_delay"           },
11991     { TYPE_INTEGER,     &tmi.auto_delay,        ".auto_delay"           },
11992     { TYPE_INTEGER,     &tmi.auto_delay_unit,   ".auto_delay_unit"      },
11993
11994     { -1,               NULL,                   NULL                    }
11995   };
11996   static struct
11997   {
11998     struct TitleFadingInfo *info;
11999     char *text;
12000   }
12001   title_info[] =
12002   {
12003     // initialize first titles from "enter screen" definitions, if defined
12004     { &title_initial_first_default,     "menu.enter_screen.TITLE"       },
12005     { &title_first_default,             "menu.enter_screen.TITLE"       },
12006
12007     // initialize title screens from "next screen" definitions, if defined
12008     { &title_initial_default,           "menu.next_screen.TITLE"        },
12009     { &title_default,                   "menu.next_screen.TITLE"        },
12010
12011     { NULL,                             NULL                            }
12012   };
12013   static struct
12014   {
12015     struct TitleMessageInfo *array;
12016     char *text;
12017   }
12018   titlemessage_arrays[] =
12019   {
12020     // initialize first titles from "enter screen" definitions, if defined
12021     { titlescreen_initial_first,        "menu.enter_screen.TITLE"       },
12022     { titlescreen_first,                "menu.enter_screen.TITLE"       },
12023     { titlemessage_initial_first,       "menu.enter_screen.TITLE"       },
12024     { titlemessage_first,               "menu.enter_screen.TITLE"       },
12025
12026     // initialize titles from "next screen" definitions, if defined
12027     { titlescreen_initial,              "menu.next_screen.TITLE"        },
12028     { titlescreen,                      "menu.next_screen.TITLE"        },
12029     { titlemessage_initial,             "menu.next_screen.TITLE"        },
12030     { titlemessage,                     "menu.next_screen.TITLE"        },
12031
12032     // overwrite titles with title definitions, if defined
12033     { titlescreen_initial_first,        "[title_initial]"               },
12034     { titlescreen_first,                "[title]"                       },
12035     { titlemessage_initial_first,       "[title_initial]"               },
12036     { titlemessage_first,               "[title]"                       },
12037
12038     { titlescreen_initial,              "[title_initial]"               },
12039     { titlescreen,                      "[title]"                       },
12040     { titlemessage_initial,             "[title_initial]"               },
12041     { titlemessage,                     "[title]"                       },
12042
12043     // overwrite titles with title screen/message definitions, if defined
12044     { titlescreen_initial_first,        "[titlescreen_initial]"         },
12045     { titlescreen_first,                "[titlescreen]"                 },
12046     { titlemessage_initial_first,       "[titlemessage_initial]"        },
12047     { titlemessage_first,               "[titlemessage]"                },
12048
12049     { titlescreen_initial,              "[titlescreen_initial]"         },
12050     { titlescreen,                      "[titlescreen]"                 },
12051     { titlemessage_initial,             "[titlemessage_initial]"        },
12052     { titlemessage,                     "[titlemessage]"                },
12053
12054     { NULL,                             NULL                            }
12055   };
12056   SetupFileHash *setup_file_hash;
12057   int i, j, k;
12058
12059   if ((setup_file_hash = loadSetupFileHash(filename)) == NULL)
12060     return;
12061
12062   // the following initializes hierarchical values from dynamic configuration
12063
12064   // special case: initialize with default values that may be overwritten
12065   // (e.g., init "menu.draw_xoffset.INFO" from "menu.draw_xoffset")
12066   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
12067   {
12068     struct TokenIntPtrInfo menu_config[] =
12069     {
12070       { "menu.draw_xoffset",    &menu.draw_xoffset[i]   },
12071       { "menu.draw_yoffset",    &menu.draw_yoffset[i]   },
12072       { "menu.list_size",       &menu.list_size[i]      }
12073     };
12074
12075     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
12076     {
12077       char *token = menu_config[j].token;
12078       char *value = getHashEntry(setup_file_hash, token);
12079
12080       if (value != NULL)
12081         *menu_config[j].value = get_integer_from_string(value);
12082     }
12083   }
12084
12085   // special case: initialize with default values that may be overwritten
12086   // (eg, init "menu.draw_xoffset.INFO[XXX]" from "menu.draw_xoffset.INFO")
12087   for (i = 0; i < NUM_SPECIAL_GFX_INFO_ARGS; i++)
12088   {
12089     struct TokenIntPtrInfo menu_config[] =
12090     {
12091       { "menu.draw_xoffset.INFO",       &menu.draw_xoffset_info[i]      },
12092       { "menu.draw_yoffset.INFO",       &menu.draw_yoffset_info[i]      },
12093       { "menu.list_size.INFO",          &menu.list_size_info[i]         }
12094     };
12095
12096     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
12097     {
12098       char *token = menu_config[j].token;
12099       char *value = getHashEntry(setup_file_hash, token);
12100
12101       if (value != NULL)
12102         *menu_config[j].value = get_integer_from_string(value);
12103     }
12104   }
12105
12106   // special case: initialize with default values that may be overwritten
12107   // (eg, init "menu.draw_xoffset.SETUP[XXX]" from "menu.draw_xoffset.SETUP")
12108   for (i = 0; i < NUM_SPECIAL_GFX_SETUP_ARGS; i++)
12109   {
12110     struct TokenIntPtrInfo menu_config[] =
12111     {
12112       { "menu.draw_xoffset.SETUP",      &menu.draw_xoffset_setup[i]     },
12113       { "menu.draw_yoffset.SETUP",      &menu.draw_yoffset_setup[i]     }
12114     };
12115
12116     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
12117     {
12118       char *token = menu_config[j].token;
12119       char *value = getHashEntry(setup_file_hash, token);
12120
12121       if (value != NULL)
12122         *menu_config[j].value = get_integer_from_string(value);
12123     }
12124   }
12125
12126   // special case: initialize with default values that may be overwritten
12127   // (eg, init "menu.line_spacing.INFO[XXX]" from "menu.line_spacing.INFO")
12128   for (i = 0; i < NUM_SPECIAL_GFX_INFO_ARGS; i++)
12129   {
12130     struct TokenIntPtrInfo menu_config[] =
12131     {
12132       { "menu.left_spacing.INFO",       &menu.left_spacing_info[i]      },
12133       { "menu.right_spacing.INFO",      &menu.right_spacing_info[i]     },
12134       { "menu.top_spacing.INFO",        &menu.top_spacing_info[i]       },
12135       { "menu.bottom_spacing.INFO",     &menu.bottom_spacing_info[i]    },
12136       { "menu.paragraph_spacing.INFO",  &menu.paragraph_spacing_info[i] },
12137       { "menu.headline1_spacing.INFO",  &menu.headline1_spacing_info[i] },
12138       { "menu.headline2_spacing.INFO",  &menu.headline2_spacing_info[i] },
12139       { "menu.line_spacing.INFO",       &menu.line_spacing_info[i]      },
12140       { "menu.extra_spacing.INFO",      &menu.extra_spacing_info[i]     },
12141     };
12142
12143     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
12144     {
12145       char *token = menu_config[j].token;
12146       char *value = getHashEntry(setup_file_hash, token);
12147
12148       if (value != NULL)
12149         *menu_config[j].value = get_integer_from_string(value);
12150     }
12151   }
12152
12153   // special case: initialize with default values that may be overwritten
12154   // (eg, init "menu.enter_screen.SCORES.xyz" from "menu.enter_screen.xyz")
12155   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
12156   {
12157     struct TokenIntPtrInfo menu_config[] =
12158     {
12159       { "menu.enter_screen.fade_mode",  &menu.enter_screen[i].fade_mode  },
12160       { "menu.enter_screen.fade_delay", &menu.enter_screen[i].fade_delay },
12161       { "menu.enter_screen.post_delay", &menu.enter_screen[i].post_delay },
12162       { "menu.leave_screen.fade_mode",  &menu.leave_screen[i].fade_mode  },
12163       { "menu.leave_screen.fade_delay", &menu.leave_screen[i].fade_delay },
12164       { "menu.leave_screen.post_delay", &menu.leave_screen[i].post_delay },
12165       { "menu.next_screen.fade_mode",   &menu.next_screen[i].fade_mode   },
12166       { "menu.next_screen.fade_delay",  &menu.next_screen[i].fade_delay  },
12167       { "menu.next_screen.post_delay",  &menu.next_screen[i].post_delay  }
12168     };
12169
12170     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
12171     {
12172       char *token = menu_config[j].token;
12173       char *value = getHashEntry(setup_file_hash, token);
12174
12175       if (value != NULL)
12176         *menu_config[j].value = get_token_parameter_value(token, value);
12177     }
12178   }
12179
12180   // special case: initialize with default values that may be overwritten
12181   // (eg, init "viewport.door_1.MAIN.xyz" from "viewport.door_1.xyz")
12182   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
12183   {
12184     struct
12185     {
12186       char *token_prefix;
12187       struct RectWithBorder *struct_ptr;
12188     }
12189     vp_struct[] =
12190     {
12191       { "viewport.window",      &viewport.window[i]     },
12192       { "viewport.playfield",   &viewport.playfield[i]  },
12193       { "viewport.door_1",      &viewport.door_1[i]     },
12194       { "viewport.door_2",      &viewport.door_2[i]     }
12195     };
12196
12197     for (j = 0; j < ARRAY_SIZE(vp_struct); j++)
12198     {
12199       struct TokenIntPtrInfo vp_config[] =
12200       {
12201         { ".x",                 &vp_struct[j].struct_ptr->x             },
12202         { ".y",                 &vp_struct[j].struct_ptr->y             },
12203         { ".width",             &vp_struct[j].struct_ptr->width         },
12204         { ".height",            &vp_struct[j].struct_ptr->height        },
12205         { ".min_width",         &vp_struct[j].struct_ptr->min_width     },
12206         { ".min_height",        &vp_struct[j].struct_ptr->min_height    },
12207         { ".max_width",         &vp_struct[j].struct_ptr->max_width     },
12208         { ".max_height",        &vp_struct[j].struct_ptr->max_height    },
12209         { ".margin_left",       &vp_struct[j].struct_ptr->margin_left   },
12210         { ".margin_right",      &vp_struct[j].struct_ptr->margin_right  },
12211         { ".margin_top",        &vp_struct[j].struct_ptr->margin_top    },
12212         { ".margin_bottom",     &vp_struct[j].struct_ptr->margin_bottom },
12213         { ".border_left",       &vp_struct[j].struct_ptr->border_left   },
12214         { ".border_right",      &vp_struct[j].struct_ptr->border_right  },
12215         { ".border_top",        &vp_struct[j].struct_ptr->border_top    },
12216         { ".border_bottom",     &vp_struct[j].struct_ptr->border_bottom },
12217         { ".border_size",       &vp_struct[j].struct_ptr->border_size   },
12218         { ".align_size",        &vp_struct[j].struct_ptr->align_size    },
12219         { ".align",             &vp_struct[j].struct_ptr->align         },
12220         { ".valign",            &vp_struct[j].struct_ptr->valign        }
12221       };
12222
12223       for (k = 0; k < ARRAY_SIZE(vp_config); k++)
12224       {
12225         char *token = getStringCat2(vp_struct[j].token_prefix,
12226                                     vp_config[k].token);
12227         char *value = getHashEntry(setup_file_hash, token);
12228
12229         if (value != NULL)
12230           *vp_config[k].value = get_token_parameter_value(token, value);
12231
12232         free(token);
12233       }
12234     }
12235   }
12236
12237   // special case: initialize with default values that may be overwritten
12238   // (e.g., init "[title].fade_mode" from "menu.next_screen.TITLE.fade_mode")
12239   for (i = 0; title_info[i].info != NULL; i++)
12240   {
12241     struct TitleFadingInfo *info = title_info[i].info;
12242     char *base_token = title_info[i].text;
12243
12244     for (j = 0; title_tokens[j].type != -1; j++)
12245     {
12246       char *token = getStringCat2(base_token, title_tokens[j].text);
12247       char *value = getHashEntry(setup_file_hash, token);
12248
12249       if (value != NULL)
12250       {
12251         int parameter_value = get_token_parameter_value(token, value);
12252
12253         tfi = *info;
12254
12255         *(int *)title_tokens[j].value = (int)parameter_value;
12256
12257         *info = tfi;
12258       }
12259
12260       free(token);
12261     }
12262   }
12263
12264   // special case: initialize with default values that may be overwritten
12265   // (e.g., init "titlemessage_1.fade_mode" from "[titlemessage].fade_mode")
12266   for (i = 0; titlemessage_arrays[i].array != NULL; i++)
12267   {
12268     struct TitleMessageInfo *array = titlemessage_arrays[i].array;
12269     char *base_token = titlemessage_arrays[i].text;
12270
12271     for (j = 0; titlemessage_tokens[j].type != -1; j++)
12272     {
12273       char *token = getStringCat2(base_token, titlemessage_tokens[j].text);
12274       char *value = getHashEntry(setup_file_hash, token);
12275
12276       if (value != NULL)
12277       {
12278         int parameter_value = get_token_parameter_value(token, value);
12279
12280         for (k = 0; k < MAX_NUM_TITLE_MESSAGES; k++)
12281         {
12282           tmi = array[k];
12283
12284           if (titlemessage_tokens[j].type == TYPE_INTEGER)
12285             *(int     *)titlemessage_tokens[j].value = (int)parameter_value;
12286           else
12287             *(boolean *)titlemessage_tokens[j].value = (boolean)parameter_value;
12288
12289           array[k] = tmi;
12290         }
12291       }
12292
12293       free(token);
12294     }
12295   }
12296
12297   // special case: check if network and preview player positions are redefined,
12298   // to compare this later against the main menu level preview being redefined
12299   struct TokenIntPtrInfo menu_config_players[] =
12300   {
12301     { "main.network_players.x", &menu.main.network_players.redefined    },
12302     { "main.network_players.y", &menu.main.network_players.redefined    },
12303     { "main.preview_players.x", &menu.main.preview_players.redefined    },
12304     { "main.preview_players.y", &menu.main.preview_players.redefined    },
12305     { "preview.x",              &preview.redefined                      },
12306     { "preview.y",              &preview.redefined                      }
12307   };
12308
12309   for (i = 0; i < ARRAY_SIZE(menu_config_players); i++)
12310     *menu_config_players[i].value = FALSE;
12311
12312   for (i = 0; i < ARRAY_SIZE(menu_config_players); i++)
12313     if (getHashEntry(setup_file_hash, menu_config_players[i].token) != NULL)
12314       *menu_config_players[i].value = TRUE;
12315
12316   // read (and overwrite with) values that may be specified in config file
12317   for (i = 0; image_config_vars[i].token != NULL; i++)
12318   {
12319     char *value = getHashEntry(setup_file_hash, image_config_vars[i].token);
12320
12321     // (ignore definitions set to "[DEFAULT]" which are already initialized)
12322     if (value != NULL && !strEqual(value, ARG_DEFAULT))
12323       *image_config_vars[i].value =
12324         get_token_parameter_value(image_config_vars[i].token, value);
12325   }
12326
12327   freeSetupFileHash(setup_file_hash);
12328 }
12329
12330 void LoadMenuDesignSettings(void)
12331 {
12332   char *filename_base = UNDEFINED_FILENAME, *filename_local;
12333
12334   InitMenuDesignSettings_Static();
12335   InitMenuDesignSettings_SpecialPreProcessing();
12336
12337   if (!GFX_OVERRIDE_ARTWORK(ARTWORK_TYPE_GRAPHICS))
12338   {
12339     // first look for special settings configured in level series config
12340     filename_base = getCustomArtworkLevelConfigFilename(ARTWORK_TYPE_GRAPHICS);
12341
12342     if (fileExists(filename_base))
12343       LoadMenuDesignSettingsFromFilename(filename_base);
12344   }
12345
12346   filename_local = getCustomArtworkConfigFilename(ARTWORK_TYPE_GRAPHICS);
12347
12348   if (filename_local != NULL && !strEqual(filename_base, filename_local))
12349     LoadMenuDesignSettingsFromFilename(filename_local);
12350
12351   InitMenuDesignSettings_SpecialPostProcessing();
12352 }
12353
12354 void LoadMenuDesignSettings_AfterGraphics(void)
12355 {
12356   InitMenuDesignSettings_SpecialPostProcessing_AfterGraphics();
12357 }
12358
12359 void LoadUserDefinedEditorElementList(int **elements, int *num_elements)
12360 {
12361   char *filename = getEditorSetupFilename();
12362   SetupFileList *setup_file_list, *list;
12363   SetupFileHash *element_hash;
12364   int num_unknown_tokens = 0;
12365   int i;
12366
12367   if ((setup_file_list = loadSetupFileList(filename)) == NULL)
12368     return;
12369
12370   element_hash = newSetupFileHash();
12371
12372   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
12373     setHashEntry(element_hash, element_info[i].token_name, i_to_a(i));
12374
12375   // determined size may be larger than needed (due to unknown elements)
12376   *num_elements = 0;
12377   for (list = setup_file_list; list != NULL; list = list->next)
12378     (*num_elements)++;
12379
12380   // add space for up to 3 more elements for padding that may be needed
12381   *num_elements += 3;
12382
12383   // free memory for old list of elements, if needed
12384   checked_free(*elements);
12385
12386   // allocate memory for new list of elements
12387   *elements = checked_malloc(*num_elements * sizeof(int));
12388
12389   *num_elements = 0;
12390   for (list = setup_file_list; list != NULL; list = list->next)
12391   {
12392     char *value = getHashEntry(element_hash, list->token);
12393
12394     if (value == NULL)          // try to find obsolete token mapping
12395     {
12396       char *mapped_token = get_mapped_token(list->token);
12397
12398       if (mapped_token != NULL)
12399       {
12400         value = getHashEntry(element_hash, mapped_token);
12401
12402         free(mapped_token);
12403       }
12404     }
12405
12406     if (value != NULL)
12407     {
12408       (*elements)[(*num_elements)++] = atoi(value);
12409     }
12410     else
12411     {
12412       if (num_unknown_tokens == 0)
12413       {
12414         Warn("---");
12415         Warn("unknown token(s) found in config file:");
12416         Warn("- config file: '%s'", filename);
12417
12418         num_unknown_tokens++;
12419       }
12420
12421       Warn("- token: '%s'", list->token);
12422     }
12423   }
12424
12425   if (num_unknown_tokens > 0)
12426     Warn("---");
12427
12428   while (*num_elements % 4)     // pad with empty elements, if needed
12429     (*elements)[(*num_elements)++] = EL_EMPTY;
12430
12431   freeSetupFileList(setup_file_list);
12432   freeSetupFileHash(element_hash);
12433
12434 #if 0
12435   for (i = 0; i < *num_elements; i++)
12436     Debug("editor", "element '%s' [%d]\n",
12437           element_info[(*elements)[i]].token_name, (*elements)[i]);
12438 #endif
12439 }
12440
12441 static struct MusicFileInfo *get_music_file_info_ext(char *basename, int music,
12442                                                      boolean is_sound)
12443 {
12444   SetupFileHash *setup_file_hash = NULL;
12445   struct MusicFileInfo tmp_music_file_info, *new_music_file_info;
12446   char *filename_music, *filename_prefix, *filename_info;
12447   struct
12448   {
12449     char *token;
12450     char **value_ptr;
12451   }
12452   token_to_value_ptr[] =
12453   {
12454     { "title_header",   &tmp_music_file_info.title_header       },
12455     { "artist_header",  &tmp_music_file_info.artist_header      },
12456     { "album_header",   &tmp_music_file_info.album_header       },
12457     { "year_header",    &tmp_music_file_info.year_header        },
12458
12459     { "title",          &tmp_music_file_info.title              },
12460     { "artist",         &tmp_music_file_info.artist             },
12461     { "album",          &tmp_music_file_info.album              },
12462     { "year",           &tmp_music_file_info.year               },
12463
12464     { NULL,             NULL                                    },
12465   };
12466   int i;
12467
12468   filename_music = (is_sound ? getCustomSoundFilename(basename) :
12469                     getCustomMusicFilename(basename));
12470
12471   if (filename_music == NULL)
12472     return NULL;
12473
12474   // ---------- try to replace file extension ----------
12475
12476   filename_prefix = getStringCopy(filename_music);
12477   if (strrchr(filename_prefix, '.') != NULL)
12478     *strrchr(filename_prefix, '.') = '\0';
12479   filename_info = getStringCat2(filename_prefix, ".txt");
12480
12481   if (fileExists(filename_info))
12482     setup_file_hash = loadSetupFileHash(filename_info);
12483
12484   free(filename_prefix);
12485   free(filename_info);
12486
12487   if (setup_file_hash == NULL)
12488   {
12489     // ---------- try to add file extension ----------
12490
12491     filename_prefix = getStringCopy(filename_music);
12492     filename_info = getStringCat2(filename_prefix, ".txt");
12493
12494     if (fileExists(filename_info))
12495       setup_file_hash = loadSetupFileHash(filename_info);
12496
12497     free(filename_prefix);
12498     free(filename_info);
12499   }
12500
12501   if (setup_file_hash == NULL)
12502     return NULL;
12503
12504   // ---------- music file info found ----------
12505
12506   clear_mem(&tmp_music_file_info, sizeof(struct MusicFileInfo));
12507
12508   for (i = 0; token_to_value_ptr[i].token != NULL; i++)
12509   {
12510     char *value = getHashEntry(setup_file_hash, token_to_value_ptr[i].token);
12511
12512     *token_to_value_ptr[i].value_ptr =
12513       getStringCopy(value != NULL && *value != '\0' ? value : UNKNOWN_NAME);
12514   }
12515
12516   tmp_music_file_info.basename = getStringCopy(basename);
12517   tmp_music_file_info.music = music;
12518   tmp_music_file_info.is_sound = is_sound;
12519
12520   new_music_file_info = checked_malloc(sizeof(struct MusicFileInfo));
12521   *new_music_file_info = tmp_music_file_info;
12522
12523   return new_music_file_info;
12524 }
12525
12526 static struct MusicFileInfo *get_music_file_info(char *basename, int music)
12527 {
12528   return get_music_file_info_ext(basename, music, FALSE);
12529 }
12530
12531 static struct MusicFileInfo *get_sound_file_info(char *basename, int sound)
12532 {
12533   return get_music_file_info_ext(basename, sound, TRUE);
12534 }
12535
12536 static boolean music_info_listed_ext(struct MusicFileInfo *list,
12537                                      char *basename, boolean is_sound)
12538 {
12539   for (; list != NULL; list = list->next)
12540     if (list->is_sound == is_sound && strEqual(list->basename, basename))
12541       return TRUE;
12542
12543   return FALSE;
12544 }
12545
12546 static boolean music_info_listed(struct MusicFileInfo *list, char *basename)
12547 {
12548   return music_info_listed_ext(list, basename, FALSE);
12549 }
12550
12551 static boolean sound_info_listed(struct MusicFileInfo *list, char *basename)
12552 {
12553   return music_info_listed_ext(list, basename, TRUE);
12554 }
12555
12556 void LoadMusicInfo(void)
12557 {
12558   char *music_directory = getCustomMusicDirectory();
12559   int num_music = getMusicListSize();
12560   int num_music_noconf = 0;
12561   int num_sounds = getSoundListSize();
12562   Directory *dir;
12563   DirectoryEntry *dir_entry;
12564   struct FileInfo *music, *sound;
12565   struct MusicFileInfo *next, **new;
12566   int i;
12567
12568   while (music_file_info != NULL)
12569   {
12570     next = music_file_info->next;
12571
12572     checked_free(music_file_info->basename);
12573
12574     checked_free(music_file_info->title_header);
12575     checked_free(music_file_info->artist_header);
12576     checked_free(music_file_info->album_header);
12577     checked_free(music_file_info->year_header);
12578
12579     checked_free(music_file_info->title);
12580     checked_free(music_file_info->artist);
12581     checked_free(music_file_info->album);
12582     checked_free(music_file_info->year);
12583
12584     free(music_file_info);
12585
12586     music_file_info = next;
12587   }
12588
12589   new = &music_file_info;
12590
12591   for (i = 0; i < num_music; i++)
12592   {
12593     music = getMusicListEntry(i);
12594
12595     if (music->filename == NULL)
12596       continue;
12597
12598     if (strEqual(music->filename, UNDEFINED_FILENAME))
12599       continue;
12600
12601     // a configured file may be not recognized as music
12602     if (!FileIsMusic(music->filename))
12603       continue;
12604
12605     if (!music_info_listed(music_file_info, music->filename))
12606     {
12607       *new = get_music_file_info(music->filename, i);
12608
12609       if (*new != NULL)
12610         new = &(*new)->next;
12611     }
12612   }
12613
12614   if ((dir = openDirectory(music_directory)) == NULL)
12615   {
12616     Warn("cannot read music directory '%s'", music_directory);
12617
12618     return;
12619   }
12620
12621   while ((dir_entry = readDirectory(dir)) != NULL)      // loop all entries
12622   {
12623     char *basename = dir_entry->basename;
12624     boolean music_already_used = FALSE;
12625     int i;
12626
12627     // skip all music files that are configured in music config file
12628     for (i = 0; i < num_music; i++)
12629     {
12630       music = getMusicListEntry(i);
12631
12632       if (music->filename == NULL)
12633         continue;
12634
12635       if (strEqual(basename, music->filename))
12636       {
12637         music_already_used = TRUE;
12638         break;
12639       }
12640     }
12641
12642     if (music_already_used)
12643       continue;
12644
12645     if (!FileIsMusic(dir_entry->filename))
12646       continue;
12647
12648     if (!music_info_listed(music_file_info, basename))
12649     {
12650       *new = get_music_file_info(basename, MAP_NOCONF_MUSIC(num_music_noconf));
12651
12652       if (*new != NULL)
12653         new = &(*new)->next;
12654     }
12655
12656     num_music_noconf++;
12657   }
12658
12659   closeDirectory(dir);
12660
12661   for (i = 0; i < num_sounds; i++)
12662   {
12663     sound = getSoundListEntry(i);
12664
12665     if (sound->filename == NULL)
12666       continue;
12667
12668     if (strEqual(sound->filename, UNDEFINED_FILENAME))
12669       continue;
12670
12671     // a configured file may be not recognized as sound
12672     if (!FileIsSound(sound->filename))
12673       continue;
12674
12675     if (!sound_info_listed(music_file_info, sound->filename))
12676     {
12677       *new = get_sound_file_info(sound->filename, i);
12678       if (*new != NULL)
12679         new = &(*new)->next;
12680     }
12681   }
12682 }
12683
12684 static void add_helpanim_entry(int element, int action, int direction,
12685                                int delay, int *num_list_entries)
12686 {
12687   struct HelpAnimInfo *new_list_entry;
12688   (*num_list_entries)++;
12689
12690   helpanim_info =
12691     checked_realloc(helpanim_info,
12692                     *num_list_entries * sizeof(struct HelpAnimInfo));
12693   new_list_entry = &helpanim_info[*num_list_entries - 1];
12694
12695   new_list_entry->element = element;
12696   new_list_entry->action = action;
12697   new_list_entry->direction = direction;
12698   new_list_entry->delay = delay;
12699 }
12700
12701 static void print_unknown_token(char *filename, char *token, int token_nr)
12702 {
12703   if (token_nr == 0)
12704   {
12705     Warn("---");
12706     Warn("unknown token(s) found in config file:");
12707     Warn("- config file: '%s'", filename);
12708   }
12709
12710   Warn("- token: '%s'", token);
12711 }
12712
12713 static void print_unknown_token_end(int token_nr)
12714 {
12715   if (token_nr > 0)
12716     Warn("---");
12717 }
12718
12719 void LoadHelpAnimInfo(void)
12720 {
12721   char *filename = getHelpAnimFilename();
12722   SetupFileList *setup_file_list = NULL, *list;
12723   SetupFileHash *element_hash, *action_hash, *direction_hash;
12724   int num_list_entries = 0;
12725   int num_unknown_tokens = 0;
12726   int i;
12727
12728   if (fileExists(filename))
12729     setup_file_list = loadSetupFileList(filename);
12730
12731   if (setup_file_list == NULL)
12732   {
12733     // use reliable default values from static configuration
12734     SetupFileList *insert_ptr;
12735
12736     insert_ptr = setup_file_list =
12737       newSetupFileList(helpanim_config[0].token,
12738                        helpanim_config[0].value);
12739
12740     for (i = 1; helpanim_config[i].token; i++)
12741       insert_ptr = addListEntry(insert_ptr,
12742                                 helpanim_config[i].token,
12743                                 helpanim_config[i].value);
12744   }
12745
12746   element_hash   = newSetupFileHash();
12747   action_hash    = newSetupFileHash();
12748   direction_hash = newSetupFileHash();
12749
12750   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
12751     setHashEntry(element_hash, element_info[i].token_name, i_to_a(i));
12752
12753   for (i = 0; i < NUM_ACTIONS; i++)
12754     setHashEntry(action_hash, element_action_info[i].suffix,
12755                  i_to_a(element_action_info[i].value));
12756
12757   // do not store direction index (bit) here, but direction value!
12758   for (i = 0; i < NUM_DIRECTIONS_FULL; i++)
12759     setHashEntry(direction_hash, element_direction_info[i].suffix,
12760                  i_to_a(1 << element_direction_info[i].value));
12761
12762   for (list = setup_file_list; list != NULL; list = list->next)
12763   {
12764     char *element_token, *action_token, *direction_token;
12765     char *element_value, *action_value, *direction_value;
12766     int delay = atoi(list->value);
12767
12768     if (strEqual(list->token, "end"))
12769     {
12770       add_helpanim_entry(HELPANIM_LIST_NEXT, -1, -1, -1, &num_list_entries);
12771
12772       continue;
12773     }
12774
12775     /* first try to break element into element/action/direction parts;
12776        if this does not work, also accept combined "element[.act][.dir]"
12777        elements (like "dynamite.active"), which are unique elements */
12778
12779     if (strchr(list->token, '.') == NULL)       // token contains no '.'
12780     {
12781       element_value = getHashEntry(element_hash, list->token);
12782       if (element_value != NULL)        // element found
12783         add_helpanim_entry(atoi(element_value), -1, -1, delay,
12784                            &num_list_entries);
12785       else
12786       {
12787         // no further suffixes found -- this is not an element
12788         print_unknown_token(filename, list->token, num_unknown_tokens++);
12789       }
12790
12791       continue;
12792     }
12793
12794     // token has format "<prefix>.<something>"
12795
12796     action_token = strchr(list->token, '.');    // suffix may be action ...
12797     direction_token = action_token;             // ... or direction
12798
12799     element_token = getStringCopy(list->token);
12800     *strchr(element_token, '.') = '\0';
12801
12802     element_value = getHashEntry(element_hash, element_token);
12803
12804     if (element_value == NULL)          // this is no element
12805     {
12806       element_value = getHashEntry(element_hash, list->token);
12807       if (element_value != NULL)        // combined element found
12808         add_helpanim_entry(atoi(element_value), -1, -1, delay,
12809                            &num_list_entries);
12810       else
12811         print_unknown_token(filename, list->token, num_unknown_tokens++);
12812
12813       free(element_token);
12814
12815       continue;
12816     }
12817
12818     action_value = getHashEntry(action_hash, action_token);
12819
12820     if (action_value != NULL)           // action found
12821     {
12822       add_helpanim_entry(atoi(element_value), atoi(action_value), -1, delay,
12823                     &num_list_entries);
12824
12825       free(element_token);
12826
12827       continue;
12828     }
12829
12830     direction_value = getHashEntry(direction_hash, direction_token);
12831
12832     if (direction_value != NULL)        // direction found
12833     {
12834       add_helpanim_entry(atoi(element_value), -1, atoi(direction_value), delay,
12835                          &num_list_entries);
12836
12837       free(element_token);
12838
12839       continue;
12840     }
12841
12842     if (strchr(action_token + 1, '.') == NULL)
12843     {
12844       // no further suffixes found -- this is not an action nor direction
12845
12846       element_value = getHashEntry(element_hash, list->token);
12847       if (element_value != NULL)        // combined element found
12848         add_helpanim_entry(atoi(element_value), -1, -1, delay,
12849                            &num_list_entries);
12850       else
12851         print_unknown_token(filename, list->token, num_unknown_tokens++);
12852
12853       free(element_token);
12854
12855       continue;
12856     }
12857
12858     // token has format "<prefix>.<suffix>.<something>"
12859
12860     direction_token = strchr(action_token + 1, '.');
12861
12862     action_token = getStringCopy(action_token);
12863     *strchr(action_token + 1, '.') = '\0';
12864
12865     action_value = getHashEntry(action_hash, action_token);
12866
12867     if (action_value == NULL)           // this is no action
12868     {
12869       element_value = getHashEntry(element_hash, list->token);
12870       if (element_value != NULL)        // combined element found
12871         add_helpanim_entry(atoi(element_value), -1, -1, delay,
12872                            &num_list_entries);
12873       else
12874         print_unknown_token(filename, list->token, num_unknown_tokens++);
12875
12876       free(element_token);
12877       free(action_token);
12878
12879       continue;
12880     }
12881
12882     direction_value = getHashEntry(direction_hash, direction_token);
12883
12884     if (direction_value != NULL)        // direction found
12885     {
12886       add_helpanim_entry(atoi(element_value), atoi(action_value),
12887                          atoi(direction_value), delay, &num_list_entries);
12888
12889       free(element_token);
12890       free(action_token);
12891
12892       continue;
12893     }
12894
12895     // this is no direction
12896
12897     element_value = getHashEntry(element_hash, list->token);
12898     if (element_value != NULL)          // combined element found
12899       add_helpanim_entry(atoi(element_value), -1, -1, delay,
12900                          &num_list_entries);
12901     else
12902       print_unknown_token(filename, list->token, num_unknown_tokens++);
12903
12904     free(element_token);
12905     free(action_token);
12906   }
12907
12908   print_unknown_token_end(num_unknown_tokens);
12909
12910   add_helpanim_entry(HELPANIM_LIST_NEXT, -1, -1, -1, &num_list_entries);
12911   add_helpanim_entry(HELPANIM_LIST_END,  -1, -1, -1, &num_list_entries);
12912
12913   freeSetupFileList(setup_file_list);
12914   freeSetupFileHash(element_hash);
12915   freeSetupFileHash(action_hash);
12916   freeSetupFileHash(direction_hash);
12917
12918 #if 0
12919   for (i = 0; i < num_list_entries; i++)
12920     Debug("files:LoadHelpAnimInfo", "'%s': %d, %d, %d => %d",
12921           EL_NAME(helpanim_info[i].element),
12922           helpanim_info[i].element,
12923           helpanim_info[i].action,
12924           helpanim_info[i].direction,
12925           helpanim_info[i].delay);
12926 #endif
12927 }
12928
12929 void LoadHelpTextInfo(void)
12930 {
12931   char *filename = getHelpTextFilename();
12932   int i;
12933
12934   if (helptext_info != NULL)
12935   {
12936     freeSetupFileHash(helptext_info);
12937     helptext_info = NULL;
12938   }
12939
12940   if (fileExists(filename))
12941     helptext_info = loadSetupFileHash(filename);
12942
12943   if (helptext_info == NULL)
12944   {
12945     // use reliable default values from static configuration
12946     helptext_info = newSetupFileHash();
12947
12948     for (i = 0; helptext_config[i].token; i++)
12949       setHashEntry(helptext_info,
12950                    helptext_config[i].token,
12951                    helptext_config[i].value);
12952   }
12953
12954 #if 0
12955   BEGIN_HASH_ITERATION(helptext_info, itr)
12956   {
12957     Debug("files:LoadHelpTextInfo", "'%s' => '%s'",
12958           HASH_ITERATION_TOKEN(itr), HASH_ITERATION_VALUE(itr));
12959   }
12960   END_HASH_ITERATION(hash, itr)
12961 #endif
12962 }
12963
12964
12965 // ----------------------------------------------------------------------------
12966 // convert levels
12967 // ----------------------------------------------------------------------------
12968
12969 #define MAX_NUM_CONVERT_LEVELS          1000
12970
12971 void ConvertLevels(void)
12972 {
12973   static LevelDirTree *convert_leveldir = NULL;
12974   static int convert_level_nr = -1;
12975   static int num_levels_handled = 0;
12976   static int num_levels_converted = 0;
12977   static boolean levels_failed[MAX_NUM_CONVERT_LEVELS];
12978   int i;
12979
12980   convert_leveldir = getTreeInfoFromIdentifier(leveldir_first,
12981                                                global.convert_leveldir);
12982
12983   if (convert_leveldir == NULL)
12984     Fail("no such level identifier: '%s'", global.convert_leveldir);
12985
12986   leveldir_current = convert_leveldir;
12987
12988   if (global.convert_level_nr != -1)
12989   {
12990     convert_leveldir->first_level = global.convert_level_nr;
12991     convert_leveldir->last_level  = global.convert_level_nr;
12992   }
12993
12994   convert_level_nr = convert_leveldir->first_level;
12995
12996   PrintLine("=", 79);
12997   Print("Converting levels\n");
12998   PrintLine("-", 79);
12999   Print("Level series identifier: '%s'\n", convert_leveldir->identifier);
13000   Print("Level series name:       '%s'\n", convert_leveldir->name);
13001   Print("Level series author:     '%s'\n", convert_leveldir->author);
13002   Print("Number of levels:        %d\n",   convert_leveldir->levels);
13003   PrintLine("=", 79);
13004   Print("\n");
13005
13006   for (i = 0; i < MAX_NUM_CONVERT_LEVELS; i++)
13007     levels_failed[i] = FALSE;
13008
13009   while (convert_level_nr <= convert_leveldir->last_level)
13010   {
13011     char *level_filename;
13012     boolean new_level;
13013
13014     level_nr = convert_level_nr++;
13015
13016     Print("Level %03d: ", level_nr);
13017
13018     LoadLevel(level_nr);
13019     if (level.no_level_file || level.no_valid_file)
13020     {
13021       Print("(no level)\n");
13022       continue;
13023     }
13024
13025     Print("converting level ... ");
13026
13027     level_filename = getDefaultLevelFilename(level_nr);
13028     new_level = !fileExists(level_filename);
13029
13030     if (new_level)
13031     {
13032       SaveLevel(level_nr);
13033
13034       num_levels_converted++;
13035
13036       Print("converted.\n");
13037     }
13038     else
13039     {
13040       if (level_nr >= 0 && level_nr < MAX_NUM_CONVERT_LEVELS)
13041         levels_failed[level_nr] = TRUE;
13042
13043       Print("NOT CONVERTED -- LEVEL ALREADY EXISTS.\n");
13044     }
13045
13046     num_levels_handled++;
13047   }
13048
13049   Print("\n");
13050   PrintLine("=", 79);
13051   Print("Number of levels handled: %d\n", num_levels_handled);
13052   Print("Number of levels converted: %d (%d%%)\n", num_levels_converted,
13053          (num_levels_handled ?
13054           num_levels_converted * 100 / num_levels_handled : 0));
13055   PrintLine("-", 79);
13056   Print("Summary (for automatic parsing by scripts):\n");
13057   Print("LEVELDIR '%s', CONVERTED %d/%d (%d%%)",
13058          convert_leveldir->identifier, num_levels_converted,
13059          num_levels_handled,
13060          (num_levels_handled ?
13061           num_levels_converted * 100 / num_levels_handled : 0));
13062
13063   if (num_levels_handled != num_levels_converted)
13064   {
13065     Print(", FAILED:");
13066     for (i = 0; i < MAX_NUM_CONVERT_LEVELS; i++)
13067       if (levels_failed[i])
13068         Print(" %03d", i);
13069   }
13070
13071   Print("\n");
13072   PrintLine("=", 79);
13073
13074   CloseAllAndExit(0);
13075 }
13076
13077
13078 // ----------------------------------------------------------------------------
13079 // create and save images for use in level sketches (raw BMP format)
13080 // ----------------------------------------------------------------------------
13081
13082 void CreateLevelSketchImages(void)
13083 {
13084   Bitmap *bitmap1;
13085   Bitmap *bitmap2;
13086   int i;
13087
13088   InitElementPropertiesGfxElement();
13089
13090   bitmap1 = CreateBitmap(TILEX, TILEY, DEFAULT_DEPTH);
13091   bitmap2 = CreateBitmap(MINI_TILEX, MINI_TILEY, DEFAULT_DEPTH);
13092
13093   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
13094   {
13095     int element = getMappedElement(i);
13096     char basename1[16];
13097     char basename2[16];
13098     char *filename1;
13099     char *filename2;
13100
13101     sprintf(basename1, "%04d.bmp", i);
13102     sprintf(basename2, "%04ds.bmp", i);
13103
13104     filename1 = getPath2(global.create_sketch_images_dir, basename1);
13105     filename2 = getPath2(global.create_sketch_images_dir, basename2);
13106
13107     DrawSizedElement(0, 0, element, TILESIZE);
13108     BlitBitmap(drawto, bitmap1, SX, SY, TILEX, TILEY, 0, 0);
13109
13110     if (SDL_SaveBMP(bitmap1->surface, filename1) != 0)
13111       Fail("cannot save level sketch image file '%s'", filename1);
13112
13113     DrawSizedElement(0, 0, element, MINI_TILESIZE);
13114     BlitBitmap(drawto, bitmap2, SX, SY, MINI_TILEX, MINI_TILEY, 0, 0);
13115
13116     if (SDL_SaveBMP(bitmap2->surface, filename2) != 0)
13117       Fail("cannot save level sketch image file '%s'", filename2);
13118
13119     free(filename1);
13120     free(filename2);
13121
13122     // create corresponding SQL statements (for normal and small images)
13123     if (i < 1000)
13124     {
13125       printf("insert into phpbb_words values (NULL, '`%03d', '<IMG class=\"levelsketch\" src=\"/I/%04d.png\"/>');\n", i, i);
13126       printf("insert into phpbb_words values (NULL, '¸%03d', '<IMG class=\"levelsketch\" src=\"/I/%04ds.png\"/>');\n", i, i);
13127     }
13128
13129     printf("insert into phpbb_words values (NULL, '`%04d', '<IMG class=\"levelsketch\" src=\"/I/%04d.png\"/>');\n", i, i);
13130     printf("insert into phpbb_words values (NULL, '¸%04d', '<IMG class=\"levelsketch\" src=\"/I/%04ds.png\"/>');\n", i, i);
13131
13132     // optional: create content for forum level sketch demonstration post
13133     if (options.debug)
13134       fprintf(stderr, "%03d `%03d%c", i, i, (i % 10 < 9 ? ' ' : '\n'));
13135   }
13136
13137   FreeBitmap(bitmap1);
13138   FreeBitmap(bitmap2);
13139
13140   if (options.debug)
13141     fprintf(stderr, "\n");
13142
13143   Info("%d normal and small images created", NUM_FILE_ELEMENTS);
13144
13145   CloseAllAndExit(0);
13146 }
13147
13148
13149 // ----------------------------------------------------------------------------
13150 // create and save images for element collecting animations (raw BMP format)
13151 // ----------------------------------------------------------------------------
13152
13153 static boolean createCollectImage(int element)
13154 {
13155   return (IS_COLLECTIBLE(element) && !IS_SP_ELEMENT(element));
13156 }
13157
13158 void CreateCollectElementImages(void)
13159 {
13160   int i, j;
13161   int num_steps = 8;
13162   int anim_frames = num_steps - 1;
13163   int tile_size = TILESIZE;
13164   int anim_width  = tile_size * anim_frames;
13165   int anim_height = tile_size;
13166   int num_collect_images = 0;
13167   int pos_collect_images = 0;
13168
13169   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
13170     if (createCollectImage(i))
13171       num_collect_images++;
13172
13173   Info("Creating %d element collecting animation images ...",
13174        num_collect_images);
13175
13176   int dst_width  = anim_width * 2;
13177   int dst_height = anim_height * num_collect_images / 2;
13178   Bitmap *dst_bitmap = CreateBitmap(dst_width, dst_height, DEFAULT_DEPTH);
13179   char *basename = "RocksCollect.bmp";
13180   char *filename = getPath2(global.create_collect_images_dir, basename);
13181
13182   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
13183   {
13184     if (!createCollectImage(i))
13185       continue;
13186
13187     int dst_x = (pos_collect_images / (num_collect_images / 2)) * anim_width;
13188     int dst_y = (pos_collect_images % (num_collect_images / 2)) * anim_height;
13189     int graphic = el2img(i);
13190     char *token_name = element_info[i].token_name;
13191     Bitmap *tmp_bitmap = CreateBitmap(tile_size, tile_size, DEFAULT_DEPTH);
13192     Bitmap *src_bitmap;
13193     int src_x, src_y;
13194
13195     Info("- creating collecting image for '%s' ...", token_name);
13196
13197     getGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
13198
13199     BlitBitmap(src_bitmap, tmp_bitmap, src_x, src_y,
13200                tile_size, tile_size, 0, 0);
13201
13202     tmp_bitmap->surface_masked = tmp_bitmap->surface;
13203
13204     for (j = 0; j < anim_frames; j++)
13205     {
13206       int frame_size_final = tile_size * (anim_frames - j) / num_steps;
13207       int frame_size = frame_size_final * num_steps;
13208       int offset = (tile_size - frame_size_final) / 2;
13209       Bitmap *frame_bitmap = ZoomBitmap(tmp_bitmap, frame_size, frame_size);
13210
13211       while (frame_size > frame_size_final)
13212       {
13213         frame_size /= 2;
13214
13215         Bitmap *half_bitmap = ZoomBitmap(frame_bitmap, frame_size, frame_size);
13216
13217         FreeBitmap(frame_bitmap);
13218
13219         frame_bitmap = half_bitmap;
13220       }
13221
13222       BlitBitmap(frame_bitmap, dst_bitmap, 0, 0,
13223                  frame_size_final, frame_size_final,
13224                  dst_x + j * tile_size + offset, dst_y + offset);
13225
13226       FreeBitmap(frame_bitmap);
13227     }
13228
13229     tmp_bitmap->surface_masked = NULL;
13230
13231     FreeBitmap(tmp_bitmap);
13232
13233     pos_collect_images++;
13234   }
13235
13236   if (SDL_SaveBMP(dst_bitmap->surface, filename) != 0)
13237     Fail("cannot save element collecting image file '%s'", filename);
13238
13239   FreeBitmap(dst_bitmap);
13240
13241   Info("Done.");
13242
13243   CloseAllAndExit(0);
13244 }
13245
13246
13247 // ----------------------------------------------------------------------------
13248 // create and save images for custom and group elements (raw BMP format)
13249 // ----------------------------------------------------------------------------
13250
13251 void CreateCustomElementImages(char *directory)
13252 {
13253   char *src_basename = "RocksCE-template.ilbm";
13254   char *dst_basename = "RocksCE.bmp";
13255   char *src_filename = getPath2(directory, src_basename);
13256   char *dst_filename = getPath2(directory, dst_basename);
13257   Bitmap *src_bitmap;
13258   Bitmap *bitmap;
13259   int yoffset_ce = 0;
13260   int yoffset_ge = (TILEY * NUM_CUSTOM_ELEMENTS / 16);
13261   int i;
13262
13263   InitVideoDefaults();
13264
13265   ReCreateBitmap(&backbuffer, video.width, video.height);
13266
13267   src_bitmap = LoadImage(src_filename);
13268
13269   bitmap = CreateBitmap(TILEX * 16 * 2,
13270                         TILEY * (NUM_CUSTOM_ELEMENTS + NUM_GROUP_ELEMENTS) / 16,
13271                         DEFAULT_DEPTH);
13272
13273   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
13274   {
13275     int x = i % 16;
13276     int y = i / 16;
13277     int ii = i + 1;
13278     int j;
13279
13280     BlitBitmap(src_bitmap, bitmap, 0, 0, TILEX, TILEY,
13281                TILEX * x, TILEY * y + yoffset_ce);
13282
13283     BlitBitmap(src_bitmap, bitmap, 0, TILEY,
13284                TILEX, TILEY,
13285                TILEX * x + TILEX * 16,
13286                TILEY * y + yoffset_ce);
13287
13288     for (j = 2; j >= 0; j--)
13289     {
13290       int c = ii % 10;
13291
13292       BlitBitmap(src_bitmap, bitmap,
13293                  TILEX + c * 7, 0, 6, 10,
13294                  TILEX * x + 6 + j * 7,
13295                  TILEY * y + 11 + yoffset_ce);
13296
13297       BlitBitmap(src_bitmap, bitmap,
13298                  TILEX + c * 8, TILEY, 6, 10,
13299                  TILEX * 16 + TILEX * x + 6 + j * 8,
13300                  TILEY * y + 10 + yoffset_ce);
13301
13302       ii /= 10;
13303     }
13304   }
13305
13306   for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
13307   {
13308     int x = i % 16;
13309     int y = i / 16;
13310     int ii = i + 1;
13311     int j;
13312
13313     BlitBitmap(src_bitmap, bitmap, 0, 0, TILEX, TILEY,
13314                TILEX * x, TILEY * y + yoffset_ge);
13315
13316     BlitBitmap(src_bitmap, bitmap, 0, TILEY,
13317                TILEX, TILEY,
13318                TILEX * x + TILEX * 16,
13319                TILEY * y + yoffset_ge);
13320
13321     for (j = 1; j >= 0; j--)
13322     {
13323       int c = ii % 10;
13324
13325       BlitBitmap(src_bitmap, bitmap, TILEX + c * 10, 11, 10, 10,
13326                  TILEX * x + 6 + j * 10,
13327                  TILEY * y + 11 + yoffset_ge);
13328
13329       BlitBitmap(src_bitmap, bitmap,
13330                  TILEX + c * 8, TILEY + 12, 6, 10,
13331                  TILEX * 16 + TILEX * x + 10 + j * 8,
13332                  TILEY * y + 10 + yoffset_ge);
13333
13334       ii /= 10;
13335     }
13336   }
13337
13338   if (SDL_SaveBMP(bitmap->surface, dst_filename) != 0)
13339     Fail("cannot save CE graphics file '%s'", dst_filename);
13340
13341   FreeBitmap(bitmap);
13342
13343   CloseAllAndExit(0);
13344 }