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_SB(struct LevelInfo *level)
6478 {
6479   boolean is_sokoban_level = TRUE;    // unless non-Sokoban elements found
6480   int x, y;
6481
6482   // check if this level is (not) a Sokoban level
6483   for (y = 0; y < level->fieldy; y++)
6484     for (x = 0; x < level->fieldx; x++)
6485       if (!IS_SB_ELEMENT(Tile[x][y]))
6486         is_sokoban_level = FALSE;
6487
6488   if (is_sokoban_level)
6489   {
6490     // set special level settings for Sokoban levels
6491     level->time = 0;
6492     level->use_step_counter = TRUE;
6493   }
6494 }
6495
6496 static void LoadLevel_InitSettings(struct LevelInfo *level)
6497 {
6498   // adjust level settings for (non-native) Sokoban-style levels
6499   LoadLevel_InitSettings_SB(level);
6500 }
6501
6502 static void LoadLevel_InitStandardElements(struct LevelInfo *level)
6503 {
6504   int i, x, y;
6505
6506   // map elements that have changed in newer versions
6507   level->amoeba_content = getMappedElementByVersion(level->amoeba_content,
6508                                                     level->game_version);
6509   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6510     for (x = 0; x < 3; x++)
6511       for (y = 0; y < 3; y++)
6512         level->yamyam_content[i].e[x][y] =
6513           getMappedElementByVersion(level->yamyam_content[i].e[x][y],
6514                                     level->game_version);
6515
6516 }
6517
6518 static void LoadLevel_InitCustomElements(struct LevelInfo *level)
6519 {
6520   int i, j;
6521
6522   // map custom element change events that have changed in newer versions
6523   // (these following values were accidentally changed in version 3.0.1)
6524   // (this seems to be needed only for 'ab_levelset3' and 'ab_levelset4')
6525   if (level->game_version <= VERSION_IDENT(3,0,0,0))
6526   {
6527     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6528     {
6529       int element = EL_CUSTOM_START + i;
6530
6531       // order of checking and copying events to be mapped is important
6532       // (do not change the start and end value -- they are constant)
6533       for (j = CE_BY_OTHER_ACTION; j >= CE_VALUE_GETS_ZERO; j--)
6534       {
6535         if (HAS_CHANGE_EVENT(element, j - 2))
6536         {
6537           SET_CHANGE_EVENT(element, j - 2, FALSE);
6538           SET_CHANGE_EVENT(element, j, TRUE);
6539         }
6540       }
6541
6542       // order of checking and copying events to be mapped is important
6543       // (do not change the start and end value -- they are constant)
6544       for (j = CE_PLAYER_COLLECTS_X; j >= CE_HITTING_SOMETHING; j--)
6545       {
6546         if (HAS_CHANGE_EVENT(element, j - 1))
6547         {
6548           SET_CHANGE_EVENT(element, j - 1, FALSE);
6549           SET_CHANGE_EVENT(element, j, TRUE);
6550         }
6551       }
6552     }
6553   }
6554
6555   // initialize "can_change" field for old levels with only one change page
6556   if (level->game_version <= VERSION_IDENT(3,0,2,0))
6557   {
6558     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6559     {
6560       int element = EL_CUSTOM_START + i;
6561
6562       if (CAN_CHANGE(element))
6563         element_info[element].change->can_change = TRUE;
6564     }
6565   }
6566
6567   // correct custom element values (for old levels without these options)
6568   if (level->game_version < VERSION_IDENT(3,1,1,0))
6569   {
6570     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6571     {
6572       int element = EL_CUSTOM_START + i;
6573       struct ElementInfo *ei = &element_info[element];
6574
6575       if (ei->access_direction == MV_NO_DIRECTION)
6576         ei->access_direction = MV_ALL_DIRECTIONS;
6577     }
6578   }
6579
6580   // correct custom element values (fix invalid values for all versions)
6581   if (1)
6582   {
6583     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6584     {
6585       int element = EL_CUSTOM_START + i;
6586       struct ElementInfo *ei = &element_info[element];
6587
6588       for (j = 0; j < ei->num_change_pages; j++)
6589       {
6590         struct ElementChangeInfo *change = &ei->change_page[j];
6591
6592         if (change->trigger_player == CH_PLAYER_NONE)
6593           change->trigger_player = CH_PLAYER_ANY;
6594
6595         if (change->trigger_side == CH_SIDE_NONE)
6596           change->trigger_side = CH_SIDE_ANY;
6597       }
6598     }
6599   }
6600
6601   // initialize "can_explode" field for old levels which did not store this
6602   // !!! CHECK THIS -- "<= 3,1,0,0" IS PROBABLY WRONG !!!
6603   if (level->game_version <= VERSION_IDENT(3,1,0,0))
6604   {
6605     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6606     {
6607       int element = EL_CUSTOM_START + i;
6608
6609       if (EXPLODES_1X1_OLD(element))
6610         element_info[element].explosion_type = EXPLODES_1X1;
6611
6612       SET_PROPERTY(element, EP_CAN_EXPLODE, (EXPLODES_BY_FIRE(element) ||
6613                                              EXPLODES_SMASHED(element) ||
6614                                              EXPLODES_IMPACT(element)));
6615     }
6616   }
6617
6618   // correct previously hard-coded move delay values for maze runner style
6619   if (level->game_version < VERSION_IDENT(3,1,1,0))
6620   {
6621     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6622     {
6623       int element = EL_CUSTOM_START + i;
6624
6625       if (element_info[element].move_pattern & MV_MAZE_RUNNER_STYLE)
6626       {
6627         // previously hard-coded and therefore ignored
6628         element_info[element].move_delay_fixed = 9;
6629         element_info[element].move_delay_random = 0;
6630       }
6631     }
6632   }
6633
6634   // set some other uninitialized values of custom elements in older levels
6635   if (level->game_version < VERSION_IDENT(3,1,0,0))
6636   {
6637     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6638     {
6639       int element = EL_CUSTOM_START + i;
6640
6641       element_info[element].access_direction = MV_ALL_DIRECTIONS;
6642
6643       element_info[element].explosion_delay = 17;
6644       element_info[element].ignition_delay = 8;
6645     }
6646   }
6647
6648   // set mouse click change events to work for left/middle/right mouse button
6649   if (level->game_version < VERSION_IDENT(4,2,3,0))
6650   {
6651     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6652     {
6653       int element = EL_CUSTOM_START + i;
6654       struct ElementInfo *ei = &element_info[element];
6655
6656       for (j = 0; j < ei->num_change_pages; j++)
6657       {
6658         struct ElementChangeInfo *change = &ei->change_page[j];
6659
6660         if (change->has_event[CE_CLICKED_BY_MOUSE] ||
6661             change->has_event[CE_PRESSED_BY_MOUSE] ||
6662             change->has_event[CE_MOUSE_CLICKED_ON_X] ||
6663             change->has_event[CE_MOUSE_PRESSED_ON_X])
6664           change->trigger_side = CH_SIDE_ANY;
6665       }
6666     }
6667   }
6668 }
6669
6670 static void LoadLevel_InitElements(struct LevelInfo *level)
6671 {
6672   LoadLevel_InitStandardElements(level);
6673
6674   if (level->file_has_custom_elements)
6675     LoadLevel_InitCustomElements(level);
6676
6677   // initialize element properties for level editor etc.
6678   InitElementPropertiesEngine(level->game_version);
6679   InitElementPropertiesGfxElement();
6680 }
6681
6682 static void LoadLevel_InitPlayfield(struct LevelInfo *level)
6683 {
6684   int x, y;
6685
6686   // map elements that have changed in newer versions
6687   for (y = 0; y < level->fieldy; y++)
6688     for (x = 0; x < level->fieldx; x++)
6689       level->field[x][y] = getMappedElementByVersion(level->field[x][y],
6690                                                      level->game_version);
6691
6692   // clear unused playfield data (nicer if level gets resized in editor)
6693   for (x = 0; x < MAX_LEV_FIELDX; x++)
6694     for (y = 0; y < MAX_LEV_FIELDY; y++)
6695       if (x >= level->fieldx || y >= level->fieldy)
6696         level->field[x][y] = EL_EMPTY;
6697
6698   // copy elements to runtime playfield array
6699   for (x = 0; x < MAX_LEV_FIELDX; x++)
6700     for (y = 0; y < MAX_LEV_FIELDY; y++)
6701       Tile[x][y] = level->field[x][y];
6702
6703   // initialize level size variables for faster access
6704   lev_fieldx = level->fieldx;
6705   lev_fieldy = level->fieldy;
6706
6707   // determine border element for this level
6708   if (level->file_info.type == LEVEL_FILE_TYPE_DC)
6709     BorderElement = EL_EMPTY;   // (in editor, SetBorderElement() is used)
6710   else
6711     SetBorderElement();
6712 }
6713
6714 static void LoadLevel_InitNativeEngines(struct LevelInfo *level)
6715 {
6716   struct LevelFileInfo *level_file_info = &level->file_info;
6717
6718   if (level_file_info->type == LEVEL_FILE_TYPE_RND)
6719     CopyNativeLevel_RND_to_Native(level);
6720 }
6721
6722 static void LoadLevelTemplate_LoadAndInit(void)
6723 {
6724   LoadLevelFromFileInfo(&level_template, &level_template.file_info, FALSE);
6725
6726   LoadLevel_InitVersion(&level_template);
6727   LoadLevel_InitElements(&level_template);
6728   LoadLevel_InitSettings(&level_template);
6729
6730   ActivateLevelTemplate();
6731 }
6732
6733 void LoadLevelTemplate(int nr)
6734 {
6735   if (!fileExists(getGlobalLevelTemplateFilename()))
6736   {
6737     Warn("no level template found for this level");
6738
6739     return;
6740   }
6741
6742   setLevelFileInfo(&level_template.file_info, nr);
6743
6744   LoadLevelTemplate_LoadAndInit();
6745 }
6746
6747 static void LoadNetworkLevelTemplate(struct NetworkLevelInfo *network_level)
6748 {
6749   copyLevelFileInfo(&network_level->tmpl_info, &level_template.file_info);
6750
6751   LoadLevelTemplate_LoadAndInit();
6752 }
6753
6754 static void LoadLevel_LoadAndInit(struct NetworkLevelInfo *network_level)
6755 {
6756   LoadLevelFromFileInfo(&level, &level.file_info, FALSE);
6757
6758   if (level.use_custom_template)
6759   {
6760     if (network_level != NULL)
6761       LoadNetworkLevelTemplate(network_level);
6762     else
6763       LoadLevelTemplate(-1);
6764   }
6765
6766   LoadLevel_InitVersion(&level);
6767   LoadLevel_InitElements(&level);
6768   LoadLevel_InitPlayfield(&level);
6769   LoadLevel_InitSettings(&level);
6770
6771   LoadLevel_InitNativeEngines(&level);
6772 }
6773
6774 void LoadLevel(int nr)
6775 {
6776   SetLevelSetInfo(leveldir_current->identifier, nr);
6777
6778   setLevelFileInfo(&level.file_info, nr);
6779
6780   LoadLevel_LoadAndInit(NULL);
6781 }
6782
6783 void LoadLevelInfoOnly(int nr)
6784 {
6785   setLevelFileInfo(&level.file_info, nr);
6786
6787   LoadLevelFromFileInfo(&level, &level.file_info, TRUE);
6788 }
6789
6790 void LoadNetworkLevel(struct NetworkLevelInfo *network_level)
6791 {
6792   SetLevelSetInfo(network_level->leveldir_identifier,
6793                   network_level->file_info.nr);
6794
6795   copyLevelFileInfo(&network_level->file_info, &level.file_info);
6796
6797   LoadLevel_LoadAndInit(network_level);
6798 }
6799
6800 static int SaveLevel_VERS(FILE *file, struct LevelInfo *level)
6801 {
6802   int chunk_size = 0;
6803
6804   chunk_size += putFileVersion(file, level->file_version);
6805   chunk_size += putFileVersion(file, level->game_version);
6806
6807   return chunk_size;
6808 }
6809
6810 static int SaveLevel_DATE(FILE *file, struct LevelInfo *level)
6811 {
6812   int chunk_size = 0;
6813
6814   chunk_size += putFile16BitBE(file, level->creation_date.year);
6815   chunk_size += putFile8Bit(file,    level->creation_date.month);
6816   chunk_size += putFile8Bit(file,    level->creation_date.day);
6817
6818   return chunk_size;
6819 }
6820
6821 #if ENABLE_HISTORIC_CHUNKS
6822 static void SaveLevel_HEAD(FILE *file, struct LevelInfo *level)
6823 {
6824   int i, x, y;
6825
6826   putFile8Bit(file, level->fieldx);
6827   putFile8Bit(file, level->fieldy);
6828
6829   putFile16BitBE(file, level->time);
6830   putFile16BitBE(file, level->gems_needed);
6831
6832   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
6833     putFile8Bit(file, level->name[i]);
6834
6835   for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
6836     putFile8Bit(file, level->score[i]);
6837
6838   for (i = 0; i < STD_ELEMENT_CONTENTS; i++)
6839     for (y = 0; y < 3; y++)
6840       for (x = 0; x < 3; x++)
6841         putFile8Bit(file, (level->encoding_16bit_yamyam ? EL_EMPTY :
6842                            level->yamyam_content[i].e[x][y]));
6843   putFile8Bit(file, level->amoeba_speed);
6844   putFile8Bit(file, level->time_magic_wall);
6845   putFile8Bit(file, level->time_wheel);
6846   putFile8Bit(file, (level->encoding_16bit_amoeba ? EL_EMPTY :
6847                      level->amoeba_content));
6848   putFile8Bit(file, (level->initial_player_stepsize == STEPSIZE_FAST ? 1 : 0));
6849   putFile8Bit(file, (level->initial_gravity ? 1 : 0));
6850   putFile8Bit(file, (level->encoding_16bit_field ? 1 : 0));
6851   putFile8Bit(file, (level->em_slippery_gems ? 1 : 0));
6852
6853   putFile8Bit(file, (level->use_custom_template ? 1 : 0));
6854
6855   putFile8Bit(file, (level->block_last_field ? 1 : 0));
6856   putFile8Bit(file, (level->sp_block_last_field ? 1 : 0));
6857   putFile32BitBE(file, level->can_move_into_acid_bits);
6858   putFile8Bit(file, level->dont_collide_with_bits);
6859
6860   putFile8Bit(file, (level->use_spring_bug ? 1 : 0));
6861   putFile8Bit(file, (level->use_step_counter ? 1 : 0));
6862
6863   putFile8Bit(file, (level->instant_relocation ? 1 : 0));
6864   putFile8Bit(file, (level->can_pass_to_walkable ? 1 : 0));
6865   putFile8Bit(file, (level->grow_into_diggable ? 1 : 0));
6866
6867   putFile8Bit(file, level->game_engine_type);
6868
6869   WriteUnusedBytesToFile(file, LEVEL_CHUNK_HEAD_UNUSED);
6870 }
6871 #endif
6872
6873 static int SaveLevel_NAME(FILE *file, struct LevelInfo *level)
6874 {
6875   int chunk_size = 0;
6876   int i;
6877
6878   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
6879     chunk_size += putFile8Bit(file, level->name[i]);
6880
6881   return chunk_size;
6882 }
6883
6884 static int SaveLevel_AUTH(FILE *file, struct LevelInfo *level)
6885 {
6886   int chunk_size = 0;
6887   int i;
6888
6889   for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++)
6890     chunk_size += putFile8Bit(file, level->author[i]);
6891
6892   return chunk_size;
6893 }
6894
6895 #if ENABLE_HISTORIC_CHUNKS
6896 static int SaveLevel_BODY(FILE *file, struct LevelInfo *level)
6897 {
6898   int chunk_size = 0;
6899   int x, y;
6900
6901   for (y = 0; y < level->fieldy; y++)
6902     for (x = 0; x < level->fieldx; x++)
6903       if (level->encoding_16bit_field)
6904         chunk_size += putFile16BitBE(file, level->field[x][y]);
6905       else
6906         chunk_size += putFile8Bit(file, level->field[x][y]);
6907
6908   return chunk_size;
6909 }
6910 #endif
6911
6912 static int SaveLevel_BODY(FILE *file, struct LevelInfo *level)
6913 {
6914   int chunk_size = 0;
6915   int x, y;
6916
6917   for (y = 0; y < level->fieldy; y++)
6918     for (x = 0; x < level->fieldx; x++)
6919       chunk_size += putFile16BitBE(file, level->field[x][y]);
6920
6921   return chunk_size;
6922 }
6923
6924 #if ENABLE_HISTORIC_CHUNKS
6925 static void SaveLevel_CONT(FILE *file, struct LevelInfo *level)
6926 {
6927   int i, x, y;
6928
6929   putFile8Bit(file, EL_YAMYAM);
6930   putFile8Bit(file, level->num_yamyam_contents);
6931   putFile8Bit(file, 0);
6932   putFile8Bit(file, 0);
6933
6934   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6935     for (y = 0; y < 3; y++)
6936       for (x = 0; x < 3; x++)
6937         if (level->encoding_16bit_field)
6938           putFile16BitBE(file, level->yamyam_content[i].e[x][y]);
6939         else
6940           putFile8Bit(file, level->yamyam_content[i].e[x][y]);
6941 }
6942 #endif
6943
6944 #if ENABLE_HISTORIC_CHUNKS
6945 static void SaveLevel_CNT2(FILE *file, struct LevelInfo *level, int element)
6946 {
6947   int i, x, y;
6948   int num_contents, content_xsize, content_ysize;
6949   int content_array[MAX_ELEMENT_CONTENTS][3][3];
6950
6951   if (element == EL_YAMYAM)
6952   {
6953     num_contents = level->num_yamyam_contents;
6954     content_xsize = 3;
6955     content_ysize = 3;
6956
6957     for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6958       for (y = 0; y < 3; y++)
6959         for (x = 0; x < 3; x++)
6960           content_array[i][x][y] = level->yamyam_content[i].e[x][y];
6961   }
6962   else if (element == EL_BD_AMOEBA)
6963   {
6964     num_contents = 1;
6965     content_xsize = 1;
6966     content_ysize = 1;
6967
6968     for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6969       for (y = 0; y < 3; y++)
6970         for (x = 0; x < 3; x++)
6971           content_array[i][x][y] = EL_EMPTY;
6972     content_array[0][0][0] = level->amoeba_content;
6973   }
6974   else
6975   {
6976     // chunk header already written -- write empty chunk data
6977     WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT2_SIZE);
6978
6979     Warn("cannot save content for element '%d'", element);
6980
6981     return;
6982   }
6983
6984   putFile16BitBE(file, element);
6985   putFile8Bit(file, num_contents);
6986   putFile8Bit(file, content_xsize);
6987   putFile8Bit(file, content_ysize);
6988
6989   WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT2_UNUSED);
6990
6991   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6992     for (y = 0; y < 3; y++)
6993       for (x = 0; x < 3; x++)
6994         putFile16BitBE(file, content_array[i][x][y]);
6995 }
6996 #endif
6997
6998 #if ENABLE_HISTORIC_CHUNKS
6999 static int SaveLevel_CNT3(FILE *file, struct LevelInfo *level, int element)
7000 {
7001   int envelope_nr = element - EL_ENVELOPE_1;
7002   int envelope_len = strlen(level->envelope_text[envelope_nr]) + 1;
7003   int chunk_size = 0;
7004   int i;
7005
7006   chunk_size += putFile16BitBE(file, element);
7007   chunk_size += putFile16BitBE(file, envelope_len);
7008   chunk_size += putFile8Bit(file, level->envelope_xsize[envelope_nr]);
7009   chunk_size += putFile8Bit(file, level->envelope_ysize[envelope_nr]);
7010
7011   WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT3_UNUSED);
7012   chunk_size += LEVEL_CHUNK_CNT3_UNUSED;
7013
7014   for (i = 0; i < envelope_len; i++)
7015     chunk_size += putFile8Bit(file, level->envelope_text[envelope_nr][i]);
7016
7017   return chunk_size;
7018 }
7019 #endif
7020
7021 #if ENABLE_HISTORIC_CHUNKS
7022 static void SaveLevel_CUS1(FILE *file, struct LevelInfo *level,
7023                            int num_changed_custom_elements)
7024 {
7025   int i, check = 0;
7026
7027   putFile16BitBE(file, num_changed_custom_elements);
7028
7029   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
7030   {
7031     int element = EL_CUSTOM_START + i;
7032
7033     struct ElementInfo *ei = &element_info[element];
7034
7035     if (ei->properties[EP_BITFIELD_BASE_NR] != EP_BITMASK_DEFAULT)
7036     {
7037       if (check < num_changed_custom_elements)
7038       {
7039         putFile16BitBE(file, element);
7040         putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
7041       }
7042
7043       check++;
7044     }
7045   }
7046
7047   if (check != num_changed_custom_elements)     // should not happen
7048     Warn("inconsistent number of custom element properties");
7049 }
7050 #endif
7051
7052 #if ENABLE_HISTORIC_CHUNKS
7053 static void SaveLevel_CUS2(FILE *file, struct LevelInfo *level,
7054                            int num_changed_custom_elements)
7055 {
7056   int i, check = 0;
7057
7058   putFile16BitBE(file, num_changed_custom_elements);
7059
7060   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
7061   {
7062     int element = EL_CUSTOM_START + i;
7063
7064     if (element_info[element].change->target_element != EL_EMPTY_SPACE)
7065     {
7066       if (check < num_changed_custom_elements)
7067       {
7068         putFile16BitBE(file, element);
7069         putFile16BitBE(file, element_info[element].change->target_element);
7070       }
7071
7072       check++;
7073     }
7074   }
7075
7076   if (check != num_changed_custom_elements)     // should not happen
7077     Warn("inconsistent number of custom target elements");
7078 }
7079 #endif
7080
7081 #if ENABLE_HISTORIC_CHUNKS
7082 static void SaveLevel_CUS3(FILE *file, struct LevelInfo *level,
7083                            int num_changed_custom_elements)
7084 {
7085   int i, j, x, y, check = 0;
7086
7087   putFile16BitBE(file, num_changed_custom_elements);
7088
7089   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
7090   {
7091     int element = EL_CUSTOM_START + i;
7092     struct ElementInfo *ei = &element_info[element];
7093
7094     if (ei->modified_settings)
7095     {
7096       if (check < num_changed_custom_elements)
7097       {
7098         putFile16BitBE(file, element);
7099
7100         for (j = 0; j < MAX_ELEMENT_NAME_LEN; j++)
7101           putFile8Bit(file, ei->description[j]);
7102
7103         putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
7104
7105         // some free bytes for future properties and padding
7106         WriteUnusedBytesToFile(file, 7);
7107
7108         putFile8Bit(file, ei->use_gfx_element);
7109         putFile16BitBE(file, ei->gfx_element_initial);
7110
7111         putFile8Bit(file, ei->collect_score_initial);
7112         putFile8Bit(file, ei->collect_count_initial);
7113
7114         putFile16BitBE(file, ei->push_delay_fixed);
7115         putFile16BitBE(file, ei->push_delay_random);
7116         putFile16BitBE(file, ei->move_delay_fixed);
7117         putFile16BitBE(file, ei->move_delay_random);
7118
7119         putFile16BitBE(file, ei->move_pattern);
7120         putFile8Bit(file, ei->move_direction_initial);
7121         putFile8Bit(file, ei->move_stepsize);
7122
7123         for (y = 0; y < 3; y++)
7124           for (x = 0; x < 3; x++)
7125             putFile16BitBE(file, ei->content.e[x][y]);
7126
7127         putFile32BitBE(file, ei->change->events);
7128
7129         putFile16BitBE(file, ei->change->target_element);
7130
7131         putFile16BitBE(file, ei->change->delay_fixed);
7132         putFile16BitBE(file, ei->change->delay_random);
7133         putFile16BitBE(file, ei->change->delay_frames);
7134
7135         putFile16BitBE(file, ei->change->initial_trigger_element);
7136
7137         putFile8Bit(file, ei->change->explode);
7138         putFile8Bit(file, ei->change->use_target_content);
7139         putFile8Bit(file, ei->change->only_if_complete);
7140         putFile8Bit(file, ei->change->use_random_replace);
7141
7142         putFile8Bit(file, ei->change->random_percentage);
7143         putFile8Bit(file, ei->change->replace_when);
7144
7145         for (y = 0; y < 3; y++)
7146           for (x = 0; x < 3; x++)
7147             putFile16BitBE(file, ei->change->content.e[x][y]);
7148
7149         putFile8Bit(file, ei->slippery_type);
7150
7151         // some free bytes for future properties and padding
7152         WriteUnusedBytesToFile(file, LEVEL_CPART_CUS3_UNUSED);
7153       }
7154
7155       check++;
7156     }
7157   }
7158
7159   if (check != num_changed_custom_elements)     // should not happen
7160     Warn("inconsistent number of custom element properties");
7161 }
7162 #endif
7163
7164 #if ENABLE_HISTORIC_CHUNKS
7165 static void SaveLevel_CUS4(FILE *file, struct LevelInfo *level, int element)
7166 {
7167   struct ElementInfo *ei = &element_info[element];
7168   int i, j, x, y;
7169
7170   // ---------- custom element base property values (96 bytes) ----------------
7171
7172   putFile16BitBE(file, element);
7173
7174   for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
7175     putFile8Bit(file, ei->description[i]);
7176
7177   putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
7178
7179   WriteUnusedBytesToFile(file, 4);      // reserved for more base properties
7180
7181   putFile8Bit(file, ei->num_change_pages);
7182
7183   putFile16BitBE(file, ei->ce_value_fixed_initial);
7184   putFile16BitBE(file, ei->ce_value_random_initial);
7185   putFile8Bit(file, ei->use_last_ce_value);
7186
7187   putFile8Bit(file, ei->use_gfx_element);
7188   putFile16BitBE(file, ei->gfx_element_initial);
7189
7190   putFile8Bit(file, ei->collect_score_initial);
7191   putFile8Bit(file, ei->collect_count_initial);
7192
7193   putFile8Bit(file, ei->drop_delay_fixed);
7194   putFile8Bit(file, ei->push_delay_fixed);
7195   putFile8Bit(file, ei->drop_delay_random);
7196   putFile8Bit(file, ei->push_delay_random);
7197   putFile16BitBE(file, ei->move_delay_fixed);
7198   putFile16BitBE(file, ei->move_delay_random);
7199
7200   // bits 0 - 15 of "move_pattern" ...
7201   putFile16BitBE(file, ei->move_pattern & 0xffff);
7202   putFile8Bit(file, ei->move_direction_initial);
7203   putFile8Bit(file, ei->move_stepsize);
7204
7205   putFile8Bit(file, ei->slippery_type);
7206
7207   for (y = 0; y < 3; y++)
7208     for (x = 0; x < 3; x++)
7209       putFile16BitBE(file, ei->content.e[x][y]);
7210
7211   putFile16BitBE(file, ei->move_enter_element);
7212   putFile16BitBE(file, ei->move_leave_element);
7213   putFile8Bit(file, ei->move_leave_type);
7214
7215   // ... bits 16 - 31 of "move_pattern" (not nice, but downward compatible)
7216   putFile16BitBE(file, (ei->move_pattern >> 16) & 0xffff);
7217
7218   putFile8Bit(file, ei->access_direction);
7219
7220   putFile8Bit(file, ei->explosion_delay);
7221   putFile8Bit(file, ei->ignition_delay);
7222   putFile8Bit(file, ei->explosion_type);
7223
7224   // some free bytes for future custom property values and padding
7225   WriteUnusedBytesToFile(file, 1);
7226
7227   // ---------- change page property values (48 bytes) ------------------------
7228
7229   for (i = 0; i < ei->num_change_pages; i++)
7230   {
7231     struct ElementChangeInfo *change = &ei->change_page[i];
7232     unsigned int event_bits;
7233
7234     // bits 0 - 31 of "has_event[]" ...
7235     event_bits = 0;
7236     for (j = 0; j < MIN(NUM_CHANGE_EVENTS, 32); j++)
7237       if (change->has_event[j])
7238         event_bits |= (1 << j);
7239     putFile32BitBE(file, event_bits);
7240
7241     putFile16BitBE(file, change->target_element);
7242
7243     putFile16BitBE(file, change->delay_fixed);
7244     putFile16BitBE(file, change->delay_random);
7245     putFile16BitBE(file, change->delay_frames);
7246
7247     putFile16BitBE(file, change->initial_trigger_element);
7248
7249     putFile8Bit(file, change->explode);
7250     putFile8Bit(file, change->use_target_content);
7251     putFile8Bit(file, change->only_if_complete);
7252     putFile8Bit(file, change->use_random_replace);
7253
7254     putFile8Bit(file, change->random_percentage);
7255     putFile8Bit(file, change->replace_when);
7256
7257     for (y = 0; y < 3; y++)
7258       for (x = 0; x < 3; x++)
7259         putFile16BitBE(file, change->target_content.e[x][y]);
7260
7261     putFile8Bit(file, change->can_change);
7262
7263     putFile8Bit(file, change->trigger_side);
7264
7265     putFile8Bit(file, change->trigger_player);
7266     putFile8Bit(file, (change->trigger_page == CH_PAGE_ANY ? CH_PAGE_ANY_FILE :
7267                        log_2(change->trigger_page)));
7268
7269     putFile8Bit(file, change->has_action);
7270     putFile8Bit(file, change->action_type);
7271     putFile8Bit(file, change->action_mode);
7272     putFile16BitBE(file, change->action_arg);
7273
7274     // ... bits 32 - 39 of "has_event[]" (not nice, but downward compatible)
7275     event_bits = 0;
7276     for (j = 32; j < NUM_CHANGE_EVENTS; j++)
7277       if (change->has_event[j])
7278         event_bits |= (1 << (j - 32));
7279     putFile8Bit(file, event_bits);
7280   }
7281 }
7282 #endif
7283
7284 #if ENABLE_HISTORIC_CHUNKS
7285 static void SaveLevel_GRP1(FILE *file, struct LevelInfo *level, int element)
7286 {
7287   struct ElementInfo *ei = &element_info[element];
7288   struct ElementGroupInfo *group = ei->group;
7289   int i;
7290
7291   putFile16BitBE(file, element);
7292
7293   for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
7294     putFile8Bit(file, ei->description[i]);
7295
7296   putFile8Bit(file, group->num_elements);
7297
7298   putFile8Bit(file, ei->use_gfx_element);
7299   putFile16BitBE(file, ei->gfx_element_initial);
7300
7301   putFile8Bit(file, group->choice_mode);
7302
7303   // some free bytes for future values and padding
7304   WriteUnusedBytesToFile(file, 3);
7305
7306   for (i = 0; i < MAX_ELEMENTS_IN_GROUP; i++)
7307     putFile16BitBE(file, group->element[i]);
7308 }
7309 #endif
7310
7311 static int SaveLevel_MicroChunk(FILE *file, struct LevelFileConfigInfo *entry,
7312                                 boolean write_element)
7313 {
7314   int save_type = entry->save_type;
7315   int data_type = entry->data_type;
7316   int conf_type = entry->conf_type;
7317   int byte_mask = conf_type & CONF_MASK_BYTES;
7318   int element = entry->element;
7319   int default_value = entry->default_value;
7320   int num_bytes = 0;
7321   boolean modified = FALSE;
7322
7323   if (byte_mask != CONF_MASK_MULTI_BYTES)
7324   {
7325     void *value_ptr = entry->value;
7326     int value = (data_type == TYPE_BOOLEAN ? *(boolean *)value_ptr :
7327                  *(int *)value_ptr);
7328
7329     // check if any settings have been modified before saving them
7330     if (value != default_value)
7331       modified = TRUE;
7332
7333     // do not save if explicitly told or if unmodified default settings
7334     if ((save_type == SAVE_CONF_NEVER) ||
7335         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7336       return 0;
7337
7338     if (write_element)
7339       num_bytes += putFile16BitBE(file, element);
7340
7341     num_bytes += putFile8Bit(file, conf_type);
7342     num_bytes += (byte_mask == CONF_MASK_1_BYTE ? putFile8Bit   (file, value) :
7343                   byte_mask == CONF_MASK_2_BYTE ? putFile16BitBE(file, value) :
7344                   byte_mask == CONF_MASK_4_BYTE ? putFile32BitBE(file, value) :
7345                   0);
7346   }
7347   else if (data_type == TYPE_STRING)
7348   {
7349     char *default_string = entry->default_string;
7350     char *string = (char *)(entry->value);
7351     int string_length = strlen(string);
7352     int i;
7353
7354     // check if any settings have been modified before saving them
7355     if (!strEqual(string, default_string))
7356       modified = TRUE;
7357
7358     // do not save if explicitly told or if unmodified default settings
7359     if ((save_type == SAVE_CONF_NEVER) ||
7360         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7361       return 0;
7362
7363     if (write_element)
7364       num_bytes += putFile16BitBE(file, element);
7365
7366     num_bytes += putFile8Bit(file, conf_type);
7367     num_bytes += putFile16BitBE(file, string_length);
7368
7369     for (i = 0; i < string_length; i++)
7370       num_bytes += putFile8Bit(file, string[i]);
7371   }
7372   else if (data_type == TYPE_ELEMENT_LIST)
7373   {
7374     int *element_array = (int *)(entry->value);
7375     int num_elements = *(int *)(entry->num_entities);
7376     int i;
7377
7378     // check if any settings have been modified before saving them
7379     for (i = 0; i < num_elements; i++)
7380       if (element_array[i] != default_value)
7381         modified = TRUE;
7382
7383     // do not save if explicitly told or if unmodified default settings
7384     if ((save_type == SAVE_CONF_NEVER) ||
7385         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7386       return 0;
7387
7388     if (write_element)
7389       num_bytes += putFile16BitBE(file, element);
7390
7391     num_bytes += putFile8Bit(file, conf_type);
7392     num_bytes += putFile16BitBE(file, num_elements * CONF_ELEMENT_NUM_BYTES);
7393
7394     for (i = 0; i < num_elements; i++)
7395       num_bytes += putFile16BitBE(file, element_array[i]);
7396   }
7397   else if (data_type == TYPE_CONTENT_LIST)
7398   {
7399     struct Content *content = (struct Content *)(entry->value);
7400     int num_contents = *(int *)(entry->num_entities);
7401     int i, x, y;
7402
7403     // check if any settings have been modified before saving them
7404     for (i = 0; i < num_contents; i++)
7405       for (y = 0; y < 3; y++)
7406         for (x = 0; x < 3; x++)
7407           if (content[i].e[x][y] != default_value)
7408             modified = TRUE;
7409
7410     // do not save if explicitly told or if unmodified default settings
7411     if ((save_type == SAVE_CONF_NEVER) ||
7412         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7413       return 0;
7414
7415     if (write_element)
7416       num_bytes += putFile16BitBE(file, element);
7417
7418     num_bytes += putFile8Bit(file, conf_type);
7419     num_bytes += putFile16BitBE(file, num_contents * CONF_CONTENT_NUM_BYTES);
7420
7421     for (i = 0; i < num_contents; i++)
7422       for (y = 0; y < 3; y++)
7423         for (x = 0; x < 3; x++)
7424           num_bytes += putFile16BitBE(file, content[i].e[x][y]);
7425   }
7426
7427   return num_bytes;
7428 }
7429
7430 static int SaveLevel_INFO(FILE *file, struct LevelInfo *level)
7431 {
7432   int chunk_size = 0;
7433   int i;
7434
7435   li = *level;          // copy level data into temporary buffer
7436
7437   for (i = 0; chunk_config_INFO[i].data_type != -1; i++)
7438     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_INFO[i], FALSE);
7439
7440   return chunk_size;
7441 }
7442
7443 static int SaveLevel_ELEM(FILE *file, struct LevelInfo *level)
7444 {
7445   int chunk_size = 0;
7446   int i;
7447
7448   li = *level;          // copy level data into temporary buffer
7449
7450   for (i = 0; chunk_config_ELEM[i].data_type != -1; i++)
7451     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_ELEM[i], TRUE);
7452
7453   return chunk_size;
7454 }
7455
7456 static int SaveLevel_NOTE(FILE *file, struct LevelInfo *level, int element)
7457 {
7458   int envelope_nr = element - EL_ENVELOPE_1;
7459   int chunk_size = 0;
7460   int i;
7461
7462   chunk_size += putFile16BitBE(file, element);
7463
7464   // copy envelope data into temporary buffer
7465   xx_envelope = level->envelope[envelope_nr];
7466
7467   for (i = 0; chunk_config_NOTE[i].data_type != -1; i++)
7468     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_NOTE[i], FALSE);
7469
7470   return chunk_size;
7471 }
7472
7473 static int SaveLevel_CUSX(FILE *file, struct LevelInfo *level, int element)
7474 {
7475   struct ElementInfo *ei = &element_info[element];
7476   int chunk_size = 0;
7477   int i, j;
7478
7479   chunk_size += putFile16BitBE(file, element);
7480
7481   xx_ei = *ei;          // copy element data into temporary buffer
7482
7483   // set default description string for this specific element
7484   strcpy(xx_default_description, getDefaultElementDescription(ei));
7485
7486   for (i = 0; chunk_config_CUSX_base[i].data_type != -1; i++)
7487     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_CUSX_base[i], FALSE);
7488
7489   for (i = 0; i < ei->num_change_pages; i++)
7490   {
7491     struct ElementChangeInfo *change = &ei->change_page[i];
7492
7493     xx_current_change_page = i;
7494
7495     xx_change = *change;        // copy change data into temporary buffer
7496
7497     resetEventBits();
7498     setEventBitsFromEventFlags(change);
7499
7500     for (j = 0; chunk_config_CUSX_change[j].data_type != -1; j++)
7501       chunk_size += SaveLevel_MicroChunk(file, &chunk_config_CUSX_change[j],
7502                                          FALSE);
7503   }
7504
7505   return chunk_size;
7506 }
7507
7508 static int SaveLevel_GRPX(FILE *file, struct LevelInfo *level, int element)
7509 {
7510   struct ElementInfo *ei = &element_info[element];
7511   struct ElementGroupInfo *group = ei->group;
7512   int chunk_size = 0;
7513   int i;
7514
7515   chunk_size += putFile16BitBE(file, element);
7516
7517   xx_ei = *ei;          // copy element data into temporary buffer
7518   xx_group = *group;    // copy group data into temporary buffer
7519
7520   // set default description string for this specific element
7521   strcpy(xx_default_description, getDefaultElementDescription(ei));
7522
7523   for (i = 0; chunk_config_GRPX[i].data_type != -1; i++)
7524     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_GRPX[i], FALSE);
7525
7526   return chunk_size;
7527 }
7528
7529 static void SaveLevelFromFilename(struct LevelInfo *level, char *filename,
7530                                   boolean save_as_template)
7531 {
7532   int chunk_size;
7533   int i;
7534   FILE *file;
7535
7536   if (!(file = fopen(filename, MODE_WRITE)))
7537   {
7538     Warn("cannot save level file '%s'", filename);
7539
7540     return;
7541   }
7542
7543   level->file_version = FILE_VERSION_ACTUAL;
7544   level->game_version = GAME_VERSION_ACTUAL;
7545
7546   level->creation_date = getCurrentDate();
7547
7548   putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
7549   putFileChunkBE(file, "CAVE", CHUNK_SIZE_NONE);
7550
7551   chunk_size = SaveLevel_VERS(NULL, level);
7552   putFileChunkBE(file, "VERS", chunk_size);
7553   SaveLevel_VERS(file, level);
7554
7555   chunk_size = SaveLevel_DATE(NULL, level);
7556   putFileChunkBE(file, "DATE", chunk_size);
7557   SaveLevel_DATE(file, level);
7558
7559   chunk_size = SaveLevel_NAME(NULL, level);
7560   putFileChunkBE(file, "NAME", chunk_size);
7561   SaveLevel_NAME(file, level);
7562
7563   chunk_size = SaveLevel_AUTH(NULL, level);
7564   putFileChunkBE(file, "AUTH", chunk_size);
7565   SaveLevel_AUTH(file, level);
7566
7567   chunk_size = SaveLevel_INFO(NULL, level);
7568   putFileChunkBE(file, "INFO", chunk_size);
7569   SaveLevel_INFO(file, level);
7570
7571   chunk_size = SaveLevel_BODY(NULL, level);
7572   putFileChunkBE(file, "BODY", chunk_size);
7573   SaveLevel_BODY(file, level);
7574
7575   chunk_size = SaveLevel_ELEM(NULL, level);
7576   if (chunk_size > LEVEL_CHUNK_ELEM_UNCHANGED)          // save if changed
7577   {
7578     putFileChunkBE(file, "ELEM", chunk_size);
7579     SaveLevel_ELEM(file, level);
7580   }
7581
7582   for (i = 0; i < NUM_ENVELOPES; i++)
7583   {
7584     int element = EL_ENVELOPE_1 + i;
7585
7586     chunk_size = SaveLevel_NOTE(NULL, level, element);
7587     if (chunk_size > LEVEL_CHUNK_NOTE_UNCHANGED)        // save if changed
7588     {
7589       putFileChunkBE(file, "NOTE", chunk_size);
7590       SaveLevel_NOTE(file, level, element);
7591     }
7592   }
7593
7594   // if not using template level, check for non-default custom/group elements
7595   if (!level->use_custom_template || save_as_template)
7596   {
7597     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
7598     {
7599       int element = EL_CUSTOM_START + i;
7600
7601       chunk_size = SaveLevel_CUSX(NULL, level, element);
7602       if (chunk_size > LEVEL_CHUNK_CUSX_UNCHANGED)      // save if changed
7603       {
7604         putFileChunkBE(file, "CUSX", chunk_size);
7605         SaveLevel_CUSX(file, level, element);
7606       }
7607     }
7608
7609     for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
7610     {
7611       int element = EL_GROUP_START + i;
7612
7613       chunk_size = SaveLevel_GRPX(NULL, level, element);
7614       if (chunk_size > LEVEL_CHUNK_GRPX_UNCHANGED)      // save if changed
7615       {
7616         putFileChunkBE(file, "GRPX", chunk_size);
7617         SaveLevel_GRPX(file, level, element);
7618       }
7619     }
7620   }
7621
7622   fclose(file);
7623
7624   SetFilePermissions(filename, PERMS_PRIVATE);
7625 }
7626
7627 void SaveLevel(int nr)
7628 {
7629   char *filename = getDefaultLevelFilename(nr);
7630
7631   SaveLevelFromFilename(&level, filename, FALSE);
7632 }
7633
7634 void SaveLevelTemplate(void)
7635 {
7636   char *filename = getLocalLevelTemplateFilename();
7637
7638   SaveLevelFromFilename(&level, filename, TRUE);
7639 }
7640
7641 boolean SaveLevelChecked(int nr)
7642 {
7643   char *filename = getDefaultLevelFilename(nr);
7644   boolean new_level = !fileExists(filename);
7645   boolean level_saved = FALSE;
7646
7647   if (new_level || Request("Save this level and kill the old?", REQ_ASK))
7648   {
7649     SaveLevel(nr);
7650
7651     if (new_level)
7652       Request("Level saved!", REQ_CONFIRM);
7653
7654     level_saved = TRUE;
7655   }
7656
7657   return level_saved;
7658 }
7659
7660 void DumpLevel(struct LevelInfo *level)
7661 {
7662   if (level->no_level_file || level->no_valid_file)
7663   {
7664     Warn("cannot dump -- no valid level file found");
7665
7666     return;
7667   }
7668
7669   PrintLine("-", 79);
7670   Print("Level xxx (file version %08d, game version %08d)\n",
7671         level->file_version, level->game_version);
7672   PrintLine("-", 79);
7673
7674   Print("Level author: '%s'\n", level->author);
7675   Print("Level title:  '%s'\n", level->name);
7676   Print("\n");
7677   Print("Playfield size: %d x %d\n", level->fieldx, level->fieldy);
7678   Print("\n");
7679   Print("Level time:  %d seconds\n", level->time);
7680   Print("Gems needed: %d\n", level->gems_needed);
7681   Print("\n");
7682   Print("Time for magic wall: %d seconds\n", level->time_magic_wall);
7683   Print("Time for wheel:      %d seconds\n", level->time_wheel);
7684   Print("Time for light:      %d seconds\n", level->time_light);
7685   Print("Time for timegate:   %d seconds\n", level->time_timegate);
7686   Print("\n");
7687   Print("Amoeba speed: %d\n", level->amoeba_speed);
7688   Print("\n");
7689
7690   Print("EM style slippery gems:      %s\n", (level->em_slippery_gems ? "yes" : "no"));
7691   Print("Player blocks last field:    %s\n", (level->block_last_field ? "yes" : "no"));
7692   Print("SP player blocks last field: %s\n", (level->sp_block_last_field ? "yes" : "no"));
7693   Print("use spring bug: %s\n", (level->use_spring_bug ? "yes" : "no"));
7694   Print("use step counter: %s\n", (level->use_step_counter ? "yes" : "no"));
7695   Print("rate time over score: %s\n", (level->rate_time_over_score ? "yes" : "no"));
7696
7697   PrintLine("-", 79);
7698 }
7699
7700 void DumpLevels(void)
7701 {
7702   static LevelDirTree *dumplevel_leveldir = NULL;
7703
7704   dumplevel_leveldir = getTreeInfoFromIdentifier(leveldir_first,
7705                                                  global.dumplevel_leveldir);
7706
7707   if (dumplevel_leveldir == NULL)
7708     Fail("no such level identifier: '%s'", global.dumplevel_leveldir);
7709
7710   if (global.dumplevel_level_nr < dumplevel_leveldir->first_level ||
7711       global.dumplevel_level_nr > dumplevel_leveldir->last_level)
7712     Fail("no such level number: %d", global.dumplevel_level_nr);
7713
7714   leveldir_current = dumplevel_leveldir;
7715
7716   LoadLevel(global.dumplevel_level_nr);
7717   DumpLevel(&level);
7718
7719   CloseAllAndExit(0);
7720 }
7721
7722
7723 // ============================================================================
7724 // tape file functions
7725 // ============================================================================
7726
7727 static void setTapeInfoToDefaults(void)
7728 {
7729   int i;
7730
7731   // always start with reliable default values (empty tape)
7732   TapeErase();
7733
7734   // default values (also for pre-1.2 tapes) with only the first player
7735   tape.player_participates[0] = TRUE;
7736   for (i = 1; i < MAX_PLAYERS; i++)
7737     tape.player_participates[i] = FALSE;
7738
7739   // at least one (default: the first) player participates in every tape
7740   tape.num_participating_players = 1;
7741
7742   tape.property_bits = TAPE_PROPERTY_NONE;
7743
7744   tape.level_nr = level_nr;
7745   tape.counter = 0;
7746   tape.changed = FALSE;
7747
7748   tape.recording = FALSE;
7749   tape.playing = FALSE;
7750   tape.pausing = FALSE;
7751
7752   tape.scr_fieldx = SCR_FIELDX_DEFAULT;
7753   tape.scr_fieldy = SCR_FIELDY_DEFAULT;
7754
7755   tape.no_valid_file = FALSE;
7756 }
7757
7758 static int getTapePosSize(struct TapeInfo *tape)
7759 {
7760   int tape_pos_size = 0;
7761
7762   if (tape->use_key_actions)
7763     tape_pos_size += tape->num_participating_players;
7764
7765   if (tape->use_mouse_actions)
7766     tape_pos_size += 3;         // x and y position and mouse button mask
7767
7768   tape_pos_size += 1;           // tape action delay value
7769
7770   return tape_pos_size;
7771 }
7772
7773 static void setTapeActionFlags(struct TapeInfo *tape, int value)
7774 {
7775   tape->use_key_actions = FALSE;
7776   tape->use_mouse_actions = FALSE;
7777
7778   if (value != TAPE_USE_MOUSE_ACTIONS_ONLY)
7779     tape->use_key_actions = TRUE;
7780
7781   if (value != TAPE_USE_KEY_ACTIONS_ONLY)
7782     tape->use_mouse_actions = TRUE;
7783 }
7784
7785 static int getTapeActionValue(struct TapeInfo *tape)
7786 {
7787   return (tape->use_key_actions &&
7788           tape->use_mouse_actions ? TAPE_USE_KEY_AND_MOUSE_ACTIONS :
7789           tape->use_key_actions   ? TAPE_USE_KEY_ACTIONS_ONLY :
7790           tape->use_mouse_actions ? TAPE_USE_MOUSE_ACTIONS_ONLY :
7791           TAPE_ACTIONS_DEFAULT);
7792 }
7793
7794 static int LoadTape_VERS(File *file, int chunk_size, struct TapeInfo *tape)
7795 {
7796   tape->file_version = getFileVersion(file);
7797   tape->game_version = getFileVersion(file);
7798
7799   return chunk_size;
7800 }
7801
7802 static int LoadTape_HEAD(File *file, int chunk_size, struct TapeInfo *tape)
7803 {
7804   int i;
7805
7806   tape->random_seed = getFile32BitBE(file);
7807   tape->date        = getFile32BitBE(file);
7808   tape->length      = getFile32BitBE(file);
7809
7810   // read header fields that are new since version 1.2
7811   if (tape->file_version >= FILE_VERSION_1_2)
7812   {
7813     byte store_participating_players = getFile8Bit(file);
7814     int engine_version;
7815
7816     // since version 1.2, tapes store which players participate in the tape
7817     tape->num_participating_players = 0;
7818     for (i = 0; i < MAX_PLAYERS; i++)
7819     {
7820       tape->player_participates[i] = FALSE;
7821
7822       if (store_participating_players & (1 << i))
7823       {
7824         tape->player_participates[i] = TRUE;
7825         tape->num_participating_players++;
7826       }
7827     }
7828
7829     setTapeActionFlags(tape, getFile8Bit(file));
7830
7831     tape->property_bits = getFile8Bit(file);
7832
7833     ReadUnusedBytesFromFile(file, TAPE_CHUNK_HEAD_UNUSED);
7834
7835     engine_version = getFileVersion(file);
7836     if (engine_version > 0)
7837       tape->engine_version = engine_version;
7838     else
7839       tape->engine_version = tape->game_version;
7840   }
7841
7842   return chunk_size;
7843 }
7844
7845 static int LoadTape_SCRN(File *file, int chunk_size, struct TapeInfo *tape)
7846 {
7847   tape->scr_fieldx = getFile8Bit(file);
7848   tape->scr_fieldy = getFile8Bit(file);
7849
7850   return chunk_size;
7851 }
7852
7853 static int LoadTape_INFO(File *file, int chunk_size, struct TapeInfo *tape)
7854 {
7855   char *level_identifier = NULL;
7856   int level_identifier_size;
7857   int i;
7858
7859   level_identifier_size = getFile16BitBE(file);
7860
7861   level_identifier = checked_malloc(level_identifier_size);
7862
7863   for (i = 0; i < level_identifier_size; i++)
7864     level_identifier[i] = getFile8Bit(file);
7865
7866   strncpy(tape->level_identifier, level_identifier, MAX_FILENAME_LEN);
7867   tape->level_identifier[MAX_FILENAME_LEN] = '\0';
7868
7869   checked_free(level_identifier);
7870
7871   tape->level_nr = getFile16BitBE(file);
7872
7873   chunk_size = 2 + level_identifier_size + 2;
7874
7875   return chunk_size;
7876 }
7877
7878 static int LoadTape_BODY(File *file, int chunk_size, struct TapeInfo *tape)
7879 {
7880   int i, j;
7881   int tape_pos_size = getTapePosSize(tape);
7882   int chunk_size_expected = tape_pos_size * tape->length;
7883
7884   if (chunk_size_expected != chunk_size)
7885   {
7886     ReadUnusedBytesFromFile(file, chunk_size);
7887     return chunk_size_expected;
7888   }
7889
7890   for (i = 0; i < tape->length; i++)
7891   {
7892     if (i >= MAX_TAPE_LEN)
7893     {
7894       Warn("tape truncated -- size exceeds maximum tape size %d",
7895             MAX_TAPE_LEN);
7896
7897       // tape too large; read and ignore remaining tape data from this chunk
7898       for (;i < tape->length; i++)
7899         ReadUnusedBytesFromFile(file, tape_pos_size);
7900
7901       break;
7902     }
7903
7904     if (tape->use_key_actions)
7905     {
7906       for (j = 0; j < MAX_PLAYERS; j++)
7907       {
7908         tape->pos[i].action[j] = MV_NONE;
7909
7910         if (tape->player_participates[j])
7911           tape->pos[i].action[j] = getFile8Bit(file);
7912       }
7913     }
7914
7915     if (tape->use_mouse_actions)
7916     {
7917       tape->pos[i].action[TAPE_ACTION_LX]     = getFile8Bit(file);
7918       tape->pos[i].action[TAPE_ACTION_LY]     = getFile8Bit(file);
7919       tape->pos[i].action[TAPE_ACTION_BUTTON] = getFile8Bit(file);
7920     }
7921
7922     tape->pos[i].delay = getFile8Bit(file);
7923
7924     if (tape->file_version == FILE_VERSION_1_0)
7925     {
7926       // eliminate possible diagonal moves in old tapes
7927       // this is only for backward compatibility
7928
7929       byte joy_dir[4] = { JOY_LEFT, JOY_RIGHT, JOY_UP, JOY_DOWN };
7930       byte action = tape->pos[i].action[0];
7931       int k, num_moves = 0;
7932
7933       for (k = 0; k<4; k++)
7934       {
7935         if (action & joy_dir[k])
7936         {
7937           tape->pos[i + num_moves].action[0] = joy_dir[k];
7938           if (num_moves > 0)
7939             tape->pos[i + num_moves].delay = 0;
7940           num_moves++;
7941         }
7942       }
7943
7944       if (num_moves > 1)
7945       {
7946         num_moves--;
7947         i += num_moves;
7948         tape->length += num_moves;
7949       }
7950     }
7951     else if (tape->file_version < FILE_VERSION_2_0)
7952     {
7953       // convert pre-2.0 tapes to new tape format
7954
7955       if (tape->pos[i].delay > 1)
7956       {
7957         // action part
7958         tape->pos[i + 1] = tape->pos[i];
7959         tape->pos[i + 1].delay = 1;
7960
7961         // delay part
7962         for (j = 0; j < MAX_PLAYERS; j++)
7963           tape->pos[i].action[j] = MV_NONE;
7964         tape->pos[i].delay--;
7965
7966         i++;
7967         tape->length++;
7968       }
7969     }
7970
7971     if (checkEndOfFile(file))
7972       break;
7973   }
7974
7975   if (i != tape->length)
7976     chunk_size = tape_pos_size * i;
7977
7978   return chunk_size;
7979 }
7980
7981 static void LoadTape_SokobanSolution(char *filename)
7982 {
7983   File *file;
7984   int move_delay = TILESIZE / level.initial_player_stepsize[0];
7985
7986   if (!(file = openFile(filename, MODE_READ)))
7987   {
7988     tape.no_valid_file = TRUE;
7989
7990     return;
7991   }
7992
7993   while (!checkEndOfFile(file))
7994   {
7995     unsigned char c = getByteFromFile(file);
7996
7997     if (checkEndOfFile(file))
7998       break;
7999
8000     switch (c)
8001     {
8002       case 'u':
8003       case 'U':
8004         tape.pos[tape.length].action[0] = MV_UP;
8005         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
8006         tape.length++;
8007         break;
8008
8009       case 'd':
8010       case 'D':
8011         tape.pos[tape.length].action[0] = MV_DOWN;
8012         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
8013         tape.length++;
8014         break;
8015
8016       case 'l':
8017       case 'L':
8018         tape.pos[tape.length].action[0] = MV_LEFT;
8019         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
8020         tape.length++;
8021         break;
8022
8023       case 'r':
8024       case 'R':
8025         tape.pos[tape.length].action[0] = MV_RIGHT;
8026         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
8027         tape.length++;
8028         break;
8029
8030       case '\n':
8031       case '\r':
8032       case '\t':
8033       case ' ':
8034         // ignore white-space characters
8035         break;
8036
8037       default:
8038         tape.no_valid_file = TRUE;
8039
8040         Warn("unsupported Sokoban solution file '%s' ['%d']", filename, c);
8041
8042         break;
8043     }
8044   }
8045
8046   closeFile(file);
8047
8048   if (tape.no_valid_file)
8049     return;
8050
8051   tape.length_frames  = GetTapeLengthFrames();
8052   tape.length_seconds = GetTapeLengthSeconds();
8053 }
8054
8055 void LoadTapeFromFilename(char *filename)
8056 {
8057   char cookie[MAX_LINE_LEN];
8058   char chunk_name[CHUNK_ID_LEN + 1];
8059   File *file;
8060   int chunk_size;
8061
8062   // always start with reliable default values
8063   setTapeInfoToDefaults();
8064
8065   if (strSuffix(filename, ".sln"))
8066   {
8067     LoadTape_SokobanSolution(filename);
8068
8069     return;
8070   }
8071
8072   if (!(file = openFile(filename, MODE_READ)))
8073   {
8074     tape.no_valid_file = TRUE;
8075
8076     return;
8077   }
8078
8079   getFileChunkBE(file, chunk_name, NULL);
8080   if (strEqual(chunk_name, "RND1"))
8081   {
8082     getFile32BitBE(file);               // not used
8083
8084     getFileChunkBE(file, chunk_name, NULL);
8085     if (!strEqual(chunk_name, "TAPE"))
8086     {
8087       tape.no_valid_file = TRUE;
8088
8089       Warn("unknown format of tape file '%s'", filename);
8090
8091       closeFile(file);
8092
8093       return;
8094     }
8095   }
8096   else  // check for pre-2.0 file format with cookie string
8097   {
8098     strcpy(cookie, chunk_name);
8099     if (getStringFromFile(file, &cookie[4], MAX_LINE_LEN - 4) == NULL)
8100       cookie[4] = '\0';
8101     if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
8102       cookie[strlen(cookie) - 1] = '\0';
8103
8104     if (!checkCookieString(cookie, TAPE_COOKIE_TMPL))
8105     {
8106       tape.no_valid_file = TRUE;
8107
8108       Warn("unknown format of tape file '%s'", filename);
8109
8110       closeFile(file);
8111
8112       return;
8113     }
8114
8115     if ((tape.file_version = getFileVersionFromCookieString(cookie)) == -1)
8116     {
8117       tape.no_valid_file = TRUE;
8118
8119       Warn("unsupported version of tape file '%s'", filename);
8120
8121       closeFile(file);
8122
8123       return;
8124     }
8125
8126     // pre-2.0 tape files have no game version, so use file version here
8127     tape.game_version = tape.file_version;
8128   }
8129
8130   if (tape.file_version < FILE_VERSION_1_2)
8131   {
8132     // tape files from versions before 1.2.0 without chunk structure
8133     LoadTape_HEAD(file, TAPE_CHUNK_HEAD_SIZE, &tape);
8134     LoadTape_BODY(file, 2 * tape.length,      &tape);
8135   }
8136   else
8137   {
8138     static struct
8139     {
8140       char *name;
8141       int size;
8142       int (*loader)(File *, int, struct TapeInfo *);
8143     }
8144     chunk_info[] =
8145     {
8146       { "VERS", TAPE_CHUNK_VERS_SIZE,   LoadTape_VERS },
8147       { "HEAD", TAPE_CHUNK_HEAD_SIZE,   LoadTape_HEAD },
8148       { "SCRN", TAPE_CHUNK_SCRN_SIZE,   LoadTape_SCRN },
8149       { "INFO", -1,                     LoadTape_INFO },
8150       { "BODY", -1,                     LoadTape_BODY },
8151       {  NULL,  0,                      NULL }
8152     };
8153
8154     while (getFileChunkBE(file, chunk_name, &chunk_size))
8155     {
8156       int i = 0;
8157
8158       while (chunk_info[i].name != NULL &&
8159              !strEqual(chunk_name, chunk_info[i].name))
8160         i++;
8161
8162       if (chunk_info[i].name == NULL)
8163       {
8164         Warn("unknown chunk '%s' in tape file '%s'",
8165               chunk_name, filename);
8166
8167         ReadUnusedBytesFromFile(file, chunk_size);
8168       }
8169       else if (chunk_info[i].size != -1 &&
8170                chunk_info[i].size != chunk_size)
8171       {
8172         Warn("wrong size (%d) of chunk '%s' in tape file '%s'",
8173               chunk_size, chunk_name, filename);
8174
8175         ReadUnusedBytesFromFile(file, chunk_size);
8176       }
8177       else
8178       {
8179         // call function to load this tape chunk
8180         int chunk_size_expected =
8181           (chunk_info[i].loader)(file, chunk_size, &tape);
8182
8183         // the size of some chunks cannot be checked before reading other
8184         // chunks first (like "HEAD" and "BODY") that contain some header
8185         // information, so check them here
8186         if (chunk_size_expected != chunk_size)
8187         {
8188           Warn("wrong size (%d) of chunk '%s' in tape file '%s'",
8189                 chunk_size, chunk_name, filename);
8190         }
8191       }
8192     }
8193   }
8194
8195   closeFile(file);
8196
8197   tape.length_frames  = GetTapeLengthFrames();
8198   tape.length_seconds = GetTapeLengthSeconds();
8199
8200 #if 0
8201   Debug("files:LoadTapeFromFilename", "tape file version: %d",
8202         tape.file_version);
8203   Debug("files:LoadTapeFromFilename", "tape game version: %d",
8204         tape.game_version);
8205   Debug("files:LoadTapeFromFilename", "tape engine version: %d",
8206         tape.engine_version);
8207 #endif
8208 }
8209
8210 void LoadTape(int nr)
8211 {
8212   char *filename = getTapeFilename(nr);
8213
8214   LoadTapeFromFilename(filename);
8215 }
8216
8217 void LoadSolutionTape(int nr)
8218 {
8219   char *filename = getSolutionTapeFilename(nr);
8220
8221   LoadTapeFromFilename(filename);
8222
8223   if (TAPE_IS_EMPTY(tape) &&
8224       level.game_engine_type == GAME_ENGINE_TYPE_SP &&
8225       level.native_sp_level->demo.is_available)
8226     CopyNativeTape_SP_to_RND(&level);
8227 }
8228
8229 static boolean checkSaveTape_SCRN(struct TapeInfo *tape)
8230 {
8231   // chunk required for team mode tapes with non-default screen size
8232   return (tape->num_participating_players > 1 &&
8233           (tape->scr_fieldx != SCR_FIELDX_DEFAULT ||
8234            tape->scr_fieldy != SCR_FIELDY_DEFAULT));
8235 }
8236
8237 static void SaveTape_VERS(FILE *file, struct TapeInfo *tape)
8238 {
8239   putFileVersion(file, tape->file_version);
8240   putFileVersion(file, tape->game_version);
8241 }
8242
8243 static void SaveTape_HEAD(FILE *file, struct TapeInfo *tape)
8244 {
8245   int i;
8246   byte store_participating_players = 0;
8247
8248   // set bits for participating players for compact storage
8249   for (i = 0; i < MAX_PLAYERS; i++)
8250     if (tape->player_participates[i])
8251       store_participating_players |= (1 << i);
8252
8253   putFile32BitBE(file, tape->random_seed);
8254   putFile32BitBE(file, tape->date);
8255   putFile32BitBE(file, tape->length);
8256
8257   putFile8Bit(file, store_participating_players);
8258
8259   putFile8Bit(file, getTapeActionValue(tape));
8260
8261   putFile8Bit(file, tape->property_bits);
8262
8263   // unused bytes not at the end here for 4-byte alignment of engine_version
8264   WriteUnusedBytesToFile(file, TAPE_CHUNK_HEAD_UNUSED);
8265
8266   putFileVersion(file, tape->engine_version);
8267 }
8268
8269 static void SaveTape_SCRN(FILE *file, struct TapeInfo *tape)
8270 {
8271   putFile8Bit(file, tape->scr_fieldx);
8272   putFile8Bit(file, tape->scr_fieldy);
8273 }
8274
8275 static void SaveTape_INFO(FILE *file, struct TapeInfo *tape)
8276 {
8277   int level_identifier_size = strlen(tape->level_identifier) + 1;
8278   int i;
8279
8280   putFile16BitBE(file, level_identifier_size);
8281
8282   for (i = 0; i < level_identifier_size; i++)
8283     putFile8Bit(file, tape->level_identifier[i]);
8284
8285   putFile16BitBE(file, tape->level_nr);
8286 }
8287
8288 static void SaveTape_BODY(FILE *file, struct TapeInfo *tape)
8289 {
8290   int i, j;
8291
8292   for (i = 0; i < tape->length; i++)
8293   {
8294     if (tape->use_key_actions)
8295     {
8296       for (j = 0; j < MAX_PLAYERS; j++)
8297         if (tape->player_participates[j])
8298           putFile8Bit(file, tape->pos[i].action[j]);
8299     }
8300
8301     if (tape->use_mouse_actions)
8302     {
8303       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_LX]);
8304       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_LY]);
8305       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_BUTTON]);
8306     }
8307
8308     putFile8Bit(file, tape->pos[i].delay);
8309   }
8310 }
8311
8312 void SaveTapeToFilename(char *filename)
8313 {
8314   FILE *file;
8315   int tape_pos_size;
8316   int info_chunk_size;
8317   int body_chunk_size;
8318
8319   if (!(file = fopen(filename, MODE_WRITE)))
8320   {
8321     Warn("cannot save level recording file '%s'", filename);
8322
8323     return;
8324   }
8325
8326   tape_pos_size = getTapePosSize(&tape);
8327
8328   info_chunk_size = 2 + (strlen(tape.level_identifier) + 1) + 2;
8329   body_chunk_size = tape_pos_size * tape.length;
8330
8331   putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
8332   putFileChunkBE(file, "TAPE", CHUNK_SIZE_NONE);
8333
8334   putFileChunkBE(file, "VERS", TAPE_CHUNK_VERS_SIZE);
8335   SaveTape_VERS(file, &tape);
8336
8337   putFileChunkBE(file, "HEAD", TAPE_CHUNK_HEAD_SIZE);
8338   SaveTape_HEAD(file, &tape);
8339
8340   if (checkSaveTape_SCRN(&tape))
8341   {
8342     putFileChunkBE(file, "SCRN", TAPE_CHUNK_SCRN_SIZE);
8343     SaveTape_SCRN(file, &tape);
8344   }
8345
8346   putFileChunkBE(file, "INFO", info_chunk_size);
8347   SaveTape_INFO(file, &tape);
8348
8349   putFileChunkBE(file, "BODY", body_chunk_size);
8350   SaveTape_BODY(file, &tape);
8351
8352   fclose(file);
8353
8354   SetFilePermissions(filename, PERMS_PRIVATE);
8355 }
8356
8357 static void SaveTapeExt(char *filename)
8358 {
8359   int i;
8360
8361   tape.file_version = FILE_VERSION_ACTUAL;
8362   tape.game_version = GAME_VERSION_ACTUAL;
8363
8364   tape.num_participating_players = 0;
8365
8366   // count number of participating players
8367   for (i = 0; i < MAX_PLAYERS; i++)
8368     if (tape.player_participates[i])
8369       tape.num_participating_players++;
8370
8371   SaveTapeToFilename(filename);
8372
8373   tape.changed = FALSE;
8374 }
8375
8376 void SaveTape(int nr)
8377 {
8378   char *filename = getTapeFilename(nr);
8379
8380   InitTapeDirectory(leveldir_current->subdir);
8381
8382   SaveTapeExt(filename);
8383 }
8384
8385 void SaveScoreTape(int nr)
8386 {
8387   char *filename = getScoreTapeFilename(tape.score_tape_basename, nr);
8388
8389   // used instead of "leveldir_current->subdir" (for network games)
8390   InitScoreTapeDirectory(levelset.identifier, nr);
8391
8392   SaveTapeExt(filename);
8393 }
8394
8395 static boolean SaveTapeCheckedExt(int nr, char *msg_replace, char *msg_saved,
8396                                   unsigned int req_state_added)
8397 {
8398   char *filename = getTapeFilename(nr);
8399   boolean new_tape = !fileExists(filename);
8400   boolean tape_saved = FALSE;
8401
8402   if (new_tape || Request(msg_replace, REQ_ASK | req_state_added))
8403   {
8404     SaveTape(nr);
8405
8406     if (new_tape)
8407       Request(msg_saved, REQ_CONFIRM | req_state_added);
8408
8409     tape_saved = TRUE;
8410   }
8411
8412   return tape_saved;
8413 }
8414
8415 boolean SaveTapeChecked(int nr)
8416 {
8417   return SaveTapeCheckedExt(nr, "Replace old tape?", "Tape saved!", 0);
8418 }
8419
8420 boolean SaveTapeChecked_LevelSolved(int nr)
8421 {
8422   return SaveTapeCheckedExt(nr, "Level solved! Replace old tape?",
8423                                 "Level solved! Tape saved!", REQ_STAY_OPEN);
8424 }
8425
8426 void DumpTape(struct TapeInfo *tape)
8427 {
8428   int tape_frame_counter;
8429   int i, j;
8430
8431   if (tape->no_valid_file)
8432   {
8433     Warn("cannot dump -- no valid tape file found");
8434
8435     return;
8436   }
8437
8438   PrintLine("-", 79);
8439   Print("Tape of Level %03d (file version %08d, game version %08d)\n",
8440         tape->level_nr, tape->file_version, tape->game_version);
8441   Print("                  (effective engine version %08d)\n",
8442         tape->engine_version);
8443   Print("Level series identifier: '%s'\n", tape->level_identifier);
8444   PrintLine("-", 79);
8445
8446   tape_frame_counter = 0;
8447
8448   for (i = 0; i < tape->length; i++)
8449   {
8450     if (i >= MAX_TAPE_LEN)
8451       break;
8452
8453     Print("%04d: ", i);
8454
8455     for (j = 0; j < MAX_PLAYERS; j++)
8456     {
8457       if (tape->player_participates[j])
8458       {
8459         int action = tape->pos[i].action[j];
8460
8461         Print("%d:%02x ", j, action);
8462         Print("[%c%c%c%c|%c%c] - ",
8463               (action & JOY_LEFT ? '<' : ' '),
8464               (action & JOY_RIGHT ? '>' : ' '),
8465               (action & JOY_UP ? '^' : ' '),
8466               (action & JOY_DOWN ? 'v' : ' '),
8467               (action & JOY_BUTTON_1 ? '1' : ' '),
8468               (action & JOY_BUTTON_2 ? '2' : ' '));
8469       }
8470     }
8471
8472     Print("(%03d) ", tape->pos[i].delay);
8473     Print("[%05d]\n", tape_frame_counter);
8474
8475     tape_frame_counter += tape->pos[i].delay;
8476   }
8477
8478   PrintLine("-", 79);
8479 }
8480
8481 void DumpTapes(void)
8482 {
8483   static LevelDirTree *dumptape_leveldir = NULL;
8484
8485   dumptape_leveldir = getTreeInfoFromIdentifier(leveldir_first,
8486                                                 global.dumptape_leveldir);
8487
8488   if (dumptape_leveldir == NULL)
8489     Fail("no such level identifier: '%s'", global.dumptape_leveldir);
8490
8491   if (global.dumptape_level_nr < dumptape_leveldir->first_level ||
8492       global.dumptape_level_nr > dumptape_leveldir->last_level)
8493     Fail("no such level number: %d", global.dumptape_level_nr);
8494
8495   leveldir_current = dumptape_leveldir;
8496
8497   if (options.mytapes)
8498     LoadTape(global.dumptape_level_nr);
8499   else
8500     LoadSolutionTape(global.dumptape_level_nr);
8501
8502   DumpTape(&tape);
8503
8504   CloseAllAndExit(0);
8505 }
8506
8507
8508 // ============================================================================
8509 // score file functions
8510 // ============================================================================
8511
8512 static void setScoreInfoToDefaultsExt(struct ScoreInfo *scores)
8513 {
8514   int i;
8515
8516   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8517   {
8518     strcpy(scores->entry[i].tape_basename, UNDEFINED_FILENAME);
8519     strcpy(scores->entry[i].name, EMPTY_PLAYER_NAME);
8520     scores->entry[i].score = 0;
8521     scores->entry[i].time = 0;
8522   }
8523
8524   scores->num_entries = 0;
8525   scores->last_added = -1;
8526   scores->last_added_local = -1;
8527
8528   scores->updated = FALSE;
8529   scores->force_last_added = FALSE;
8530 }
8531
8532 static void setScoreInfoToDefaults(void)
8533 {
8534   setScoreInfoToDefaultsExt(&scores);
8535 }
8536
8537 static void setServerScoreInfoToDefaults(void)
8538 {
8539   setScoreInfoToDefaultsExt(&server_scores);
8540 }
8541
8542 static void LoadScore_OLD(int nr)
8543 {
8544   int i;
8545   char *filename = getScoreFilename(nr);
8546   char cookie[MAX_LINE_LEN];
8547   char line[MAX_LINE_LEN];
8548   char *line_ptr;
8549   FILE *file;
8550
8551   if (!(file = fopen(filename, MODE_READ)))
8552     return;
8553
8554   // check file identifier
8555   if (fgets(cookie, MAX_LINE_LEN, file) == NULL)
8556     cookie[0] = '\0';
8557   if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
8558     cookie[strlen(cookie) - 1] = '\0';
8559
8560   if (!checkCookieString(cookie, SCORE_COOKIE_TMPL))
8561   {
8562     Warn("unknown format of score file '%s'", filename);
8563
8564     fclose(file);
8565
8566     return;
8567   }
8568
8569   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8570   {
8571     if (fscanf(file, "%d", &scores.entry[i].score) == EOF)
8572       Warn("fscanf() failed; %s", strerror(errno));
8573
8574     if (fgets(line, MAX_LINE_LEN, file) == NULL)
8575       line[0] = '\0';
8576
8577     if (strlen(line) > 0 && line[strlen(line) - 1] == '\n')
8578       line[strlen(line) - 1] = '\0';
8579
8580     for (line_ptr = line; *line_ptr; line_ptr++)
8581     {
8582       if (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
8583       {
8584         strncpy(scores.entry[i].name, line_ptr, MAX_PLAYER_NAME_LEN);
8585         scores.entry[i].name[MAX_PLAYER_NAME_LEN] = '\0';
8586         break;
8587       }
8588     }
8589   }
8590
8591   fclose(file);
8592 }
8593
8594 static void ConvertScore_OLD(void)
8595 {
8596   // only convert score to time for levels that rate playing time over score
8597   if (!level.rate_time_over_score)
8598     return;
8599
8600   // convert old score to playing time for score-less levels (like Supaplex)
8601   int time_final_max = 999;
8602   int i;
8603
8604   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8605   {
8606     int score = scores.entry[i].score;
8607
8608     if (score > 0 && score < time_final_max)
8609       scores.entry[i].time = (time_final_max - score - 1) * FRAMES_PER_SECOND;
8610   }
8611 }
8612
8613 static int LoadScore_VERS(File *file, int chunk_size, struct ScoreInfo *scores)
8614 {
8615   scores->file_version = getFileVersion(file);
8616   scores->game_version = getFileVersion(file);
8617
8618   return chunk_size;
8619 }
8620
8621 static int LoadScore_INFO(File *file, int chunk_size, struct ScoreInfo *scores)
8622 {
8623   char *level_identifier = NULL;
8624   int level_identifier_size;
8625   int i;
8626
8627   level_identifier_size = getFile16BitBE(file);
8628
8629   level_identifier = checked_malloc(level_identifier_size);
8630
8631   for (i = 0; i < level_identifier_size; i++)
8632     level_identifier[i] = getFile8Bit(file);
8633
8634   strncpy(scores->level_identifier, level_identifier, MAX_FILENAME_LEN);
8635   scores->level_identifier[MAX_FILENAME_LEN] = '\0';
8636
8637   checked_free(level_identifier);
8638
8639   scores->level_nr = getFile16BitBE(file);
8640   scores->num_entries = getFile16BitBE(file);
8641
8642   chunk_size = 2 + level_identifier_size + 2 + 2;
8643
8644   return chunk_size;
8645 }
8646
8647 static int LoadScore_NAME(File *file, int chunk_size, struct ScoreInfo *scores)
8648 {
8649   int i, j;
8650
8651   for (i = 0; i < scores->num_entries; i++)
8652   {
8653     for (j = 0; j < MAX_PLAYER_NAME_LEN; j++)
8654       scores->entry[i].name[j] = getFile8Bit(file);
8655
8656     scores->entry[i].name[MAX_PLAYER_NAME_LEN] = '\0';
8657   }
8658
8659   chunk_size = scores->num_entries * MAX_PLAYER_NAME_LEN;
8660
8661   return chunk_size;
8662 }
8663
8664 static int LoadScore_SCOR(File *file, int chunk_size, struct ScoreInfo *scores)
8665 {
8666   int i;
8667
8668   for (i = 0; i < scores->num_entries; i++)
8669     scores->entry[i].score = getFile16BitBE(file);
8670
8671   chunk_size = scores->num_entries * 2;
8672
8673   return chunk_size;
8674 }
8675
8676 static int LoadScore_TIME(File *file, int chunk_size, struct ScoreInfo *scores)
8677 {
8678   int i;
8679
8680   for (i = 0; i < scores->num_entries; i++)
8681     scores->entry[i].time = getFile32BitBE(file);
8682
8683   chunk_size = scores->num_entries * 4;
8684
8685   return chunk_size;
8686 }
8687
8688 static int LoadScore_TAPE(File *file, int chunk_size, struct ScoreInfo *scores)
8689 {
8690   int i, j;
8691
8692   for (i = 0; i < scores->num_entries; i++)
8693   {
8694     for (j = 0; j < MAX_SCORE_TAPE_BASENAME_LEN; j++)
8695       scores->entry[i].tape_basename[j] = getFile8Bit(file);
8696
8697     scores->entry[i].tape_basename[MAX_SCORE_TAPE_BASENAME_LEN] = '\0';
8698   }
8699
8700   chunk_size = scores->num_entries * MAX_SCORE_TAPE_BASENAME_LEN;
8701
8702   return chunk_size;
8703 }
8704
8705 void LoadScore(int nr)
8706 {
8707   char *filename = getScoreFilename(nr);
8708   char cookie[MAX_LINE_LEN];
8709   char chunk_name[CHUNK_ID_LEN + 1];
8710   int chunk_size;
8711   boolean old_score_file_format = FALSE;
8712   File *file;
8713
8714   // always start with reliable default values
8715   setScoreInfoToDefaults();
8716
8717   if (!(file = openFile(filename, MODE_READ)))
8718     return;
8719
8720   getFileChunkBE(file, chunk_name, NULL);
8721   if (strEqual(chunk_name, "RND1"))
8722   {
8723     getFile32BitBE(file);               // not used
8724
8725     getFileChunkBE(file, chunk_name, NULL);
8726     if (!strEqual(chunk_name, "SCOR"))
8727     {
8728       Warn("unknown format of score file '%s'", filename);
8729
8730       closeFile(file);
8731
8732       return;
8733     }
8734   }
8735   else  // check for old file format with cookie string
8736   {
8737     strcpy(cookie, chunk_name);
8738     if (getStringFromFile(file, &cookie[4], MAX_LINE_LEN - 4) == NULL)
8739       cookie[4] = '\0';
8740     if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
8741       cookie[strlen(cookie) - 1] = '\0';
8742
8743     if (!checkCookieString(cookie, SCORE_COOKIE_TMPL))
8744     {
8745       Warn("unknown format of score file '%s'", filename);
8746
8747       closeFile(file);
8748
8749       return;
8750     }
8751
8752     old_score_file_format = TRUE;
8753   }
8754
8755   if (old_score_file_format)
8756   {
8757     // score files from versions before 4.2.4.0 without chunk structure
8758     LoadScore_OLD(nr);
8759
8760     // convert score to time, if possible (mainly for Supaplex levels)
8761     ConvertScore_OLD();
8762   }
8763   else
8764   {
8765     static struct
8766     {
8767       char *name;
8768       int size;
8769       int (*loader)(File *, int, struct ScoreInfo *);
8770     }
8771     chunk_info[] =
8772     {
8773       { "VERS", SCORE_CHUNK_VERS_SIZE,  LoadScore_VERS },
8774       { "INFO", -1,                     LoadScore_INFO },
8775       { "NAME", -1,                     LoadScore_NAME },
8776       { "SCOR", -1,                     LoadScore_SCOR },
8777       { "TIME", -1,                     LoadScore_TIME },
8778       { "TAPE", -1,                     LoadScore_TAPE },
8779
8780       {  NULL,  0,                      NULL }
8781     };
8782
8783     while (getFileChunkBE(file, chunk_name, &chunk_size))
8784     {
8785       int i = 0;
8786
8787       while (chunk_info[i].name != NULL &&
8788              !strEqual(chunk_name, chunk_info[i].name))
8789         i++;
8790
8791       if (chunk_info[i].name == NULL)
8792       {
8793         Warn("unknown chunk '%s' in score file '%s'",
8794               chunk_name, filename);
8795
8796         ReadUnusedBytesFromFile(file, chunk_size);
8797       }
8798       else if (chunk_info[i].size != -1 &&
8799                chunk_info[i].size != chunk_size)
8800       {
8801         Warn("wrong size (%d) of chunk '%s' in score file '%s'",
8802               chunk_size, chunk_name, filename);
8803
8804         ReadUnusedBytesFromFile(file, chunk_size);
8805       }
8806       else
8807       {
8808         // call function to load this score chunk
8809         int chunk_size_expected =
8810           (chunk_info[i].loader)(file, chunk_size, &scores);
8811
8812         // the size of some chunks cannot be checked before reading other
8813         // chunks first (like "HEAD" and "BODY") that contain some header
8814         // information, so check them here
8815         if (chunk_size_expected != chunk_size)
8816         {
8817           Warn("wrong size (%d) of chunk '%s' in score file '%s'",
8818                 chunk_size, chunk_name, filename);
8819         }
8820       }
8821     }
8822   }
8823
8824   closeFile(file);
8825 }
8826
8827 #if ENABLE_HISTORIC_CHUNKS
8828 void SaveScore_OLD(int nr)
8829 {
8830   int i;
8831   char *filename = getScoreFilename(nr);
8832   FILE *file;
8833
8834   // used instead of "leveldir_current->subdir" (for network games)
8835   InitScoreDirectory(levelset.identifier);
8836
8837   if (!(file = fopen(filename, MODE_WRITE)))
8838   {
8839     Warn("cannot save score for level %d", nr);
8840
8841     return;
8842   }
8843
8844   fprintf(file, "%s\n\n", SCORE_COOKIE);
8845
8846   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8847     fprintf(file, "%d %s\n", scores.entry[i].score, scores.entry[i].name);
8848
8849   fclose(file);
8850
8851   SetFilePermissions(filename, PERMS_PRIVATE);
8852 }
8853 #endif
8854
8855 static void SaveScore_VERS(FILE *file, struct ScoreInfo *scores)
8856 {
8857   putFileVersion(file, scores->file_version);
8858   putFileVersion(file, scores->game_version);
8859 }
8860
8861 static void SaveScore_INFO(FILE *file, struct ScoreInfo *scores)
8862 {
8863   int level_identifier_size = strlen(scores->level_identifier) + 1;
8864   int i;
8865
8866   putFile16BitBE(file, level_identifier_size);
8867
8868   for (i = 0; i < level_identifier_size; i++)
8869     putFile8Bit(file, scores->level_identifier[i]);
8870
8871   putFile16BitBE(file, scores->level_nr);
8872   putFile16BitBE(file, scores->num_entries);
8873 }
8874
8875 static void SaveScore_NAME(FILE *file, struct ScoreInfo *scores)
8876 {
8877   int i, j;
8878
8879   for (i = 0; i < scores->num_entries; i++)
8880   {
8881     int name_size = strlen(scores->entry[i].name);
8882
8883     for (j = 0; j < MAX_PLAYER_NAME_LEN; j++)
8884       putFile8Bit(file, (j < name_size ? scores->entry[i].name[j] : 0));
8885   }
8886 }
8887
8888 static void SaveScore_SCOR(FILE *file, struct ScoreInfo *scores)
8889 {
8890   int i;
8891
8892   for (i = 0; i < scores->num_entries; i++)
8893     putFile16BitBE(file, scores->entry[i].score);
8894 }
8895
8896 static void SaveScore_TIME(FILE *file, struct ScoreInfo *scores)
8897 {
8898   int i;
8899
8900   for (i = 0; i < scores->num_entries; i++)
8901     putFile32BitBE(file, scores->entry[i].time);
8902 }
8903
8904 static void SaveScore_TAPE(FILE *file, struct ScoreInfo *scores)
8905 {
8906   int i, j;
8907
8908   for (i = 0; i < scores->num_entries; i++)
8909   {
8910     int size = strlen(scores->entry[i].tape_basename);
8911
8912     for (j = 0; j < MAX_SCORE_TAPE_BASENAME_LEN; j++)
8913       putFile8Bit(file, (j < size ? scores->entry[i].tape_basename[j] : 0));
8914   }
8915 }
8916
8917 static void SaveScoreToFilename(char *filename)
8918 {
8919   FILE *file;
8920   int info_chunk_size;
8921   int name_chunk_size;
8922   int scor_chunk_size;
8923   int time_chunk_size;
8924   int tape_chunk_size;
8925
8926   if (!(file = fopen(filename, MODE_WRITE)))
8927   {
8928     Warn("cannot save score file '%s'", filename);
8929
8930     return;
8931   }
8932
8933   info_chunk_size = 2 + (strlen(scores.level_identifier) + 1) + 2 + 2;
8934   name_chunk_size = scores.num_entries * MAX_PLAYER_NAME_LEN;
8935   scor_chunk_size = scores.num_entries * 2;
8936   time_chunk_size = scores.num_entries * 4;
8937   tape_chunk_size = scores.num_entries * MAX_SCORE_TAPE_BASENAME_LEN;
8938
8939   putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
8940   putFileChunkBE(file, "SCOR", CHUNK_SIZE_NONE);
8941
8942   putFileChunkBE(file, "VERS", SCORE_CHUNK_VERS_SIZE);
8943   SaveScore_VERS(file, &scores);
8944
8945   putFileChunkBE(file, "INFO", info_chunk_size);
8946   SaveScore_INFO(file, &scores);
8947
8948   putFileChunkBE(file, "NAME", name_chunk_size);
8949   SaveScore_NAME(file, &scores);
8950
8951   putFileChunkBE(file, "SCOR", scor_chunk_size);
8952   SaveScore_SCOR(file, &scores);
8953
8954   putFileChunkBE(file, "TIME", time_chunk_size);
8955   SaveScore_TIME(file, &scores);
8956
8957   putFileChunkBE(file, "TAPE", tape_chunk_size);
8958   SaveScore_TAPE(file, &scores);
8959
8960   fclose(file);
8961
8962   SetFilePermissions(filename, PERMS_PRIVATE);
8963 }
8964
8965 void SaveScore(int nr)
8966 {
8967   char *filename = getScoreFilename(nr);
8968   int i;
8969
8970   // used instead of "leveldir_current->subdir" (for network games)
8971   InitScoreDirectory(levelset.identifier);
8972
8973   scores.file_version = FILE_VERSION_ACTUAL;
8974   scores.game_version = GAME_VERSION_ACTUAL;
8975
8976   strncpy(scores.level_identifier, levelset.identifier, MAX_FILENAME_LEN);
8977   scores.level_identifier[MAX_FILENAME_LEN] = '\0';
8978   scores.level_nr = level_nr;
8979
8980   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8981     if (scores.entry[i].score == 0 &&
8982         scores.entry[i].time == 0 &&
8983         strEqual(scores.entry[i].name, EMPTY_PLAYER_NAME))
8984       break;
8985
8986   scores.num_entries = i;
8987
8988   if (scores.num_entries == 0)
8989     return;
8990
8991   SaveScoreToFilename(filename);
8992 }
8993
8994 static void ExecuteAsThread(SDL_ThreadFunction function, char *name, int data,
8995                             char *error)
8996 {
8997   static int data_static;
8998
8999   data_static = data;
9000
9001   SDL_Thread *thread = SDL_CreateThread(function, name, &data_static);
9002
9003   if (thread != NULL)
9004     SDL_DetachThread(thread);
9005   else
9006     Error("Cannot create thread to %s!", error);
9007
9008   // nasty kludge to lower probability of intermingled thread error messages
9009   Delay(1);
9010 }
9011
9012 static void DownloadServerScoreToCacheExt(struct HttpRequest *request,
9013                                           struct HttpResponse *response,
9014                                           int nr)
9015 {
9016   request->hostname = setup.api_server_hostname;
9017   request->port     = API_SERVER_PORT;
9018   request->method   = API_SERVER_METHOD;
9019   request->uri      = API_SERVER_URI_GET;
9020
9021   snprintf(request->body, MAX_HTTP_BODY_SIZE,
9022            "{\n"
9023            "  \"levelset_identifier\":  \"%s\",\n"
9024            "  \"level_nr\":             \"%d\",\n"
9025            "  \"rate_time_over_score\": \"%d\"\n"
9026            "}\n",
9027            levelset.identifier, nr, level.rate_time_over_score);
9028
9029   if (!DoHttpRequest(request, response))
9030   {
9031     Error("HTTP request failed: %s", GetHttpError());
9032
9033     return;
9034   }
9035
9036   if (!HTTP_SUCCESS(response->status_code))
9037   {
9038     Error("server failed to handle request: %d %s",
9039           response->status_code,
9040           response->status_text);
9041
9042     return;
9043   }
9044
9045   if (response->body_size == 0)
9046   {
9047     // no scores available for this level
9048
9049     return;
9050   }
9051
9052   ConvertHttpResponseBodyToClientEncoding(response);
9053
9054   char *filename = getScoreCacheFilename(nr);
9055   FILE *file;
9056   int i;
9057
9058   // used instead of "leveldir_current->subdir" (for network games)
9059   InitScoreCacheDirectory(levelset.identifier);
9060
9061   if (!(file = fopen(filename, MODE_WRITE)))
9062   {
9063     Warn("cannot save score cache file '%s'", filename);
9064
9065     return;
9066   }
9067
9068   for (i = 0; i < response->body_size; i++)
9069     fputc(response->body[i], file);
9070
9071   fclose(file);
9072
9073   SetFilePermissions(filename, PERMS_PRIVATE);
9074
9075   server_scores.updated = TRUE;
9076 }
9077
9078 static void DownloadServerScoreToCache(int nr)
9079 {
9080   struct HttpRequest *request = checked_calloc(sizeof(struct HttpRequest));
9081   struct HttpResponse *response = checked_calloc(sizeof(struct HttpResponse));
9082
9083   DownloadServerScoreToCacheExt(request, response, nr);
9084
9085   checked_free(request);
9086   checked_free(response);
9087 }
9088
9089 static int DownloadServerScoreToCacheThread(void *data)
9090 {
9091   DownloadServerScoreToCache(*(int *)data);
9092
9093   return 0;
9094 }
9095
9096 static void DownloadServerScoreToCacheAsThread(int nr)
9097 {
9098   ExecuteAsThread(DownloadServerScoreToCacheThread,
9099                   "DownloadServerScoreToCache", nr,
9100                   "download scores from server");
9101 }
9102
9103 static void LoadServerScoreFromCache(int nr)
9104 {
9105   struct ScoreEntry score_entry;
9106   struct
9107   {
9108     void *value;
9109     boolean is_string;
9110     int string_size;
9111   }
9112   score_mapping[] =
9113   {
9114     { &score_entry.score,               FALSE,  0                       },
9115     { &score_entry.time,                FALSE,  0                       },
9116     { score_entry.name,                 TRUE,   MAX_PLAYER_NAME_LEN     },
9117     { score_entry.tape_basename,        TRUE,   MAX_FILENAME_LEN        },
9118
9119     { NULL,                             FALSE,  0                       }
9120   };
9121   char *filename = getScoreCacheFilename(nr);
9122   SetupFileHash *score_hash = loadSetupFileHash(filename);
9123   int i, j;
9124
9125   server_scores.num_entries = 0;
9126
9127   if (score_hash == NULL)
9128     return;
9129
9130   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
9131   {
9132     score_entry = server_scores.entry[i];
9133
9134     for (j = 0; score_mapping[j].value != NULL; j++)
9135     {
9136       char token[10];
9137
9138       sprintf(token, "%02d.%d", i, j);
9139
9140       char *value = getHashEntry(score_hash, token);
9141
9142       if (value == NULL)
9143         continue;
9144
9145       if (score_mapping[j].is_string)
9146       {
9147         char *score_value = (char *)score_mapping[j].value;
9148         int value_size = score_mapping[j].string_size;
9149
9150         strncpy(score_value, value, value_size);
9151         score_value[value_size] = '\0';
9152       }
9153       else
9154       {
9155         int *score_value = (int *)score_mapping[j].value;
9156
9157         *score_value = atoi(value);
9158       }
9159
9160       server_scores.num_entries = i + 1;
9161     }
9162
9163     server_scores.entry[i] = score_entry;
9164   }
9165
9166   freeSetupFileHash(score_hash);
9167 }
9168
9169 void LoadServerScore(int nr, boolean download_score)
9170 {
9171   if (!setup.api_server)
9172     return;
9173
9174   // always start with reliable default values
9175   setServerScoreInfoToDefaults();
9176
9177   // 1st step: load server scores from cache file (which may not exist)
9178   // (this should prevent reading it while the thread is writing to it)
9179   LoadServerScoreFromCache(nr);
9180
9181   if (download_score && runtime.api_server)
9182   {
9183     // 2nd step: download server scores from score server to cache file
9184     // (as thread, as it might time out if the server is not reachable)
9185     DownloadServerScoreToCacheAsThread(nr);
9186   }
9187 }
9188
9189 static char *get_file_base64(char *filename)
9190 {
9191   struct stat file_status;
9192
9193   if (stat(filename, &file_status) != 0)
9194   {
9195     Error("cannot stat file '%s'\n", filename);
9196
9197     return NULL;
9198   }
9199
9200   int buffer_size = file_status.st_size;
9201   byte *buffer = checked_malloc(buffer_size);
9202   FILE *file;
9203   int i;
9204
9205   if (!(file = fopen(filename, MODE_READ)))
9206   {
9207     Error("cannot open file '%s'\n", filename);
9208
9209     checked_free(buffer);
9210
9211     return NULL;
9212   }
9213
9214   for (i = 0; i < buffer_size; i++)
9215   {
9216     int c = fgetc(file);
9217
9218     if (c == EOF)
9219     {
9220       Error("cannot read from input file '%s'\n", filename);
9221
9222       fclose(file);
9223       checked_free(buffer);
9224
9225       return NULL;
9226     }
9227
9228     buffer[i] = (byte)c;
9229   }
9230
9231   fclose(file);
9232
9233   int buffer_encoded_size = base64_encoded_size(buffer_size);
9234   char *buffer_encoded = checked_malloc(buffer_encoded_size);
9235
9236   base64_encode(buffer_encoded, buffer, buffer_size);
9237
9238   checked_free(buffer);
9239
9240   return buffer_encoded;
9241 }
9242
9243 static void UploadScoreToServerExt(struct HttpRequest *request,
9244                                    struct HttpResponse *response,
9245                                    int nr)
9246 {
9247   struct ScoreEntry *score_entry = &scores.entry[scores.last_added];
9248
9249   request->hostname = setup.api_server_hostname;
9250   request->port     = API_SERVER_PORT;
9251   request->method   = API_SERVER_METHOD;
9252   request->uri      = API_SERVER_URI_ADD;
9253
9254   char *tape_filename = getScoreTapeFilename(score_entry->tape_basename, nr);
9255   char *tape_base64 = get_file_base64(tape_filename);
9256
9257   if (tape_base64 == NULL)
9258   {
9259     Error("loading and base64 encoding score tape file failed");
9260
9261     return;
9262   }
9263
9264   snprintf(request->body, MAX_HTTP_BODY_SIZE,
9265            "{\n"
9266            "  \"game_version\":         \"%s\",\n"
9267            "  \"levelset_identifier\":  \"%s\",\n"
9268            "  \"levelset_name\":        \"%s\",\n"
9269            "  \"levelset_author\":      \"%s\",\n"
9270            "  \"levelset_num_levels\":  \"%d\",\n"
9271            "  \"levelset_first_level\": \"%d\",\n"
9272            "  \"level_nr\":             \"%d\",\n"
9273            "  \"player_name\":          \"%s\",\n"
9274            "  \"score\":                \"%d\",\n"
9275            "  \"time\":                 \"%d\",\n"
9276            "  \"tape_basename\":        \"%s\",\n"
9277            "  \"tape\":                 \"%s\"\n"
9278            "}\n",
9279            getProgramRealVersionString(),
9280            leveldir_current->identifier,
9281            leveldir_current->name,
9282            leveldir_current->author,
9283            leveldir_current->levels,
9284            leveldir_current->first_level,
9285            level_nr,
9286            score_entry->name,
9287            score_entry->score,
9288            score_entry->time,
9289            score_entry->tape_basename,
9290            tape_base64);
9291
9292   checked_free(tape_base64);
9293
9294   ConvertHttpRequestBodyToServerEncoding(request);
9295
9296   if (!DoHttpRequest(request, response))
9297   {
9298     Error("HTTP request failed: %s", GetHttpError());
9299
9300     return;
9301   }
9302
9303   if (!HTTP_SUCCESS(response->status_code))
9304   {
9305     Error("server failed to handle request: %d %s",
9306           response->status_code,
9307           response->status_text);
9308
9309     return;
9310   }
9311 }
9312
9313 static void UploadScoreToServer(int nr)
9314 {
9315   struct HttpRequest *request = checked_calloc(sizeof(struct HttpRequest));
9316   struct HttpResponse *response = checked_calloc(sizeof(struct HttpResponse));
9317
9318   UploadScoreToServerExt(request, response, nr);
9319
9320   checked_free(request);
9321   checked_free(response);
9322 }
9323
9324 static int UploadScoreToServerThread(void *data)
9325 {
9326   UploadScoreToServer(*(int *)data);
9327
9328   return 0;
9329 }
9330
9331 static void UploadScoreToServerAsThread(int nr)
9332 {
9333   ExecuteAsThread(UploadScoreToServerThread,
9334                   "UploadScoreToServer", nr,
9335                   "upload score to server");
9336 }
9337
9338 void SaveServerScore(int nr)
9339 {
9340   if (!runtime.api_server)
9341     return;
9342
9343   UploadScoreToServerAsThread(nr);
9344 }
9345
9346 void LoadLocalAndServerScore(int nr, boolean download_score)
9347 {
9348   int last_added_local = scores.last_added_local;
9349
9350   LoadScore(nr);
9351
9352   // restore last added local score entry (before merging server scores)
9353   scores.last_added = scores.last_added_local = last_added_local;
9354
9355   if (setup.api_server && !setup.only_show_local_scores)
9356   {
9357     // load server scores from cache file and trigger update from server
9358     LoadServerScore(nr, download_score);
9359
9360     // merge local scores with scores from server
9361     MergeServerScore();
9362   }
9363 }
9364
9365
9366 // ============================================================================
9367 // setup file functions
9368 // ============================================================================
9369
9370 #define TOKEN_STR_PLAYER_PREFIX                 "player_"
9371
9372
9373 static struct TokenInfo global_setup_tokens[] =
9374 {
9375   {
9376     TYPE_STRING,
9377     &setup.player_name,                         "player_name"
9378   },
9379   {
9380     TYPE_SWITCH,
9381     &setup.multiple_users,                      "multiple_users"
9382   },
9383   {
9384     TYPE_SWITCH,
9385     &setup.sound,                               "sound"
9386   },
9387   {
9388     TYPE_SWITCH,
9389     &setup.sound_loops,                         "repeating_sound_loops"
9390   },
9391   {
9392     TYPE_SWITCH,
9393     &setup.sound_music,                         "background_music"
9394   },
9395   {
9396     TYPE_SWITCH,
9397     &setup.sound_simple,                        "simple_sound_effects"
9398   },
9399   {
9400     TYPE_SWITCH,
9401     &setup.toons,                               "toons"
9402   },
9403   {
9404     TYPE_SWITCH,
9405     &setup.scroll_delay,                        "scroll_delay"
9406   },
9407   {
9408     TYPE_SWITCH,
9409     &setup.forced_scroll_delay,                 "forced_scroll_delay"
9410   },
9411   {
9412     TYPE_INTEGER,
9413     &setup.scroll_delay_value,                  "scroll_delay_value"
9414   },
9415   {
9416     TYPE_STRING,
9417     &setup.engine_snapshot_mode,                "engine_snapshot_mode"
9418   },
9419   {
9420     TYPE_INTEGER,
9421     &setup.engine_snapshot_memory,              "engine_snapshot_memory"
9422   },
9423   {
9424     TYPE_SWITCH,
9425     &setup.fade_screens,                        "fade_screens"
9426   },
9427   {
9428     TYPE_SWITCH,
9429     &setup.autorecord,                          "automatic_tape_recording"
9430   },
9431   {
9432     TYPE_SWITCH,
9433     &setup.show_titlescreen,                    "show_titlescreen"
9434   },
9435   {
9436     TYPE_SWITCH,
9437     &setup.quick_doors,                         "quick_doors"
9438   },
9439   {
9440     TYPE_SWITCH,
9441     &setup.team_mode,                           "team_mode"
9442   },
9443   {
9444     TYPE_SWITCH,
9445     &setup.handicap,                            "handicap"
9446   },
9447   {
9448     TYPE_SWITCH,
9449     &setup.skip_levels,                         "skip_levels"
9450   },
9451   {
9452     TYPE_SWITCH,
9453     &setup.increment_levels,                    "increment_levels"
9454   },
9455   {
9456     TYPE_SWITCH,
9457     &setup.auto_play_next_level,                "auto_play_next_level"
9458   },
9459   {
9460     TYPE_SWITCH,
9461     &setup.count_score_after_game,              "count_score_after_game"
9462   },
9463   {
9464     TYPE_SWITCH,
9465     &setup.show_scores_after_game,              "show_scores_after_game"
9466   },
9467   {
9468     TYPE_SWITCH,
9469     &setup.time_limit,                          "time_limit"
9470   },
9471   {
9472     TYPE_SWITCH,
9473     &setup.fullscreen,                          "fullscreen"
9474   },
9475   {
9476     TYPE_INTEGER,
9477     &setup.window_scaling_percent,              "window_scaling_percent"
9478   },
9479   {
9480     TYPE_STRING,
9481     &setup.window_scaling_quality,              "window_scaling_quality"
9482   },
9483   {
9484     TYPE_STRING,
9485     &setup.screen_rendering_mode,               "screen_rendering_mode"
9486   },
9487   {
9488     TYPE_STRING,
9489     &setup.vsync_mode,                          "vsync_mode"
9490   },
9491   {
9492     TYPE_SWITCH,
9493     &setup.ask_on_escape,                       "ask_on_escape"
9494   },
9495   {
9496     TYPE_SWITCH,
9497     &setup.ask_on_escape_editor,                "ask_on_escape_editor"
9498   },
9499   {
9500     TYPE_SWITCH,
9501     &setup.ask_on_game_over,                    "ask_on_game_over"
9502   },
9503   {
9504     TYPE_SWITCH,
9505     &setup.ask_on_quit_game,                    "ask_on_quit_game"
9506   },
9507   {
9508     TYPE_SWITCH,
9509     &setup.ask_on_quit_program,                 "ask_on_quit_program"
9510   },
9511   {
9512     TYPE_SWITCH,
9513     &setup.quick_switch,                        "quick_player_switch"
9514   },
9515   {
9516     TYPE_SWITCH,
9517     &setup.input_on_focus,                      "input_on_focus"
9518   },
9519   {
9520     TYPE_SWITCH,
9521     &setup.prefer_aga_graphics,                 "prefer_aga_graphics"
9522   },
9523   {
9524     TYPE_SWITCH,
9525     &setup.prefer_lowpass_sounds,               "prefer_lowpass_sounds"
9526   },
9527   {
9528     TYPE_SWITCH,
9529     &setup.prefer_extra_panel_items,            "prefer_extra_panel_items"
9530   },
9531   {
9532     TYPE_SWITCH,
9533     &setup.game_speed_extended,                 "game_speed_extended"
9534   },
9535   {
9536     TYPE_INTEGER,
9537     &setup.game_frame_delay,                    "game_frame_delay"
9538   },
9539   {
9540     TYPE_SWITCH,
9541     &setup.sp_show_border_elements,             "sp_show_border_elements"
9542   },
9543   {
9544     TYPE_SWITCH,
9545     &setup.small_game_graphics,                 "small_game_graphics"
9546   },
9547   {
9548     TYPE_SWITCH,
9549     &setup.show_snapshot_buttons,               "show_snapshot_buttons"
9550   },
9551   {
9552     TYPE_SWITCH,
9553     &setup.only_show_local_scores,              "only_show_local_scores"
9554   },
9555   {
9556     TYPE_STRING,
9557     &setup.graphics_set,                        "graphics_set"
9558   },
9559   {
9560     TYPE_STRING,
9561     &setup.sounds_set,                          "sounds_set"
9562   },
9563   {
9564     TYPE_STRING,
9565     &setup.music_set,                           "music_set"
9566   },
9567   {
9568     TYPE_SWITCH3,
9569     &setup.override_level_graphics,             "override_level_graphics"
9570   },
9571   {
9572     TYPE_SWITCH3,
9573     &setup.override_level_sounds,               "override_level_sounds"
9574   },
9575   {
9576     TYPE_SWITCH3,
9577     &setup.override_level_music,                "override_level_music"
9578   },
9579   {
9580     TYPE_INTEGER,
9581     &setup.volume_simple,                       "volume_simple"
9582   },
9583   {
9584     TYPE_INTEGER,
9585     &setup.volume_loops,                        "volume_loops"
9586   },
9587   {
9588     TYPE_INTEGER,
9589     &setup.volume_music,                        "volume_music"
9590   },
9591   {
9592     TYPE_SWITCH,
9593     &setup.network_mode,                        "network_mode"
9594   },
9595   {
9596     TYPE_PLAYER,
9597     &setup.network_player_nr,                   "network_player"
9598   },
9599   {
9600     TYPE_STRING,
9601     &setup.network_server_hostname,             "network_server_hostname"
9602   },
9603   {
9604     TYPE_SWITCH,
9605     &setup.api_server,                          "api_server"
9606   },
9607   {
9608     TYPE_STRING,
9609     &setup.api_server_hostname,                 "api_server_hostname"
9610   },
9611   {
9612     TYPE_STRING,
9613     &setup.touch.control_type,                  "touch.control_type"
9614   },
9615   {
9616     TYPE_INTEGER,
9617     &setup.touch.move_distance,                 "touch.move_distance"
9618   },
9619   {
9620     TYPE_INTEGER,
9621     &setup.touch.drop_distance,                 "touch.drop_distance"
9622   },
9623   {
9624     TYPE_INTEGER,
9625     &setup.touch.transparency,                  "touch.transparency"
9626   },
9627   {
9628     TYPE_INTEGER,
9629     &setup.touch.draw_outlined,                 "touch.draw_outlined"
9630   },
9631   {
9632     TYPE_INTEGER,
9633     &setup.touch.draw_pressed,                  "touch.draw_pressed"
9634   },
9635   {
9636     TYPE_INTEGER,
9637     &setup.touch.grid_xsize[0],                 "touch.virtual_buttons.0.xsize"
9638   },
9639   {
9640     TYPE_INTEGER,
9641     &setup.touch.grid_ysize[0],                 "touch.virtual_buttons.0.ysize"
9642   },
9643   {
9644     TYPE_INTEGER,
9645     &setup.touch.grid_xsize[1],                 "touch.virtual_buttons.1.xsize"
9646   },
9647   {
9648     TYPE_INTEGER,
9649     &setup.touch.grid_ysize[1],                 "touch.virtual_buttons.1.ysize"
9650   },
9651 };
9652
9653 static struct TokenInfo auto_setup_tokens[] =
9654 {
9655   {
9656     TYPE_INTEGER,
9657     &setup.auto_setup.editor_zoom_tilesize,     "editor.zoom_tilesize"
9658   },
9659 };
9660
9661 static struct TokenInfo editor_setup_tokens[] =
9662 {
9663   {
9664     TYPE_SWITCH,
9665     &setup.editor.el_classic,                   "editor.el_classic"
9666   },
9667   {
9668     TYPE_SWITCH,
9669     &setup.editor.el_custom,                    "editor.el_custom"
9670   },
9671   {
9672     TYPE_SWITCH,
9673     &setup.editor.el_user_defined,              "editor.el_user_defined"
9674   },
9675   {
9676     TYPE_SWITCH,
9677     &setup.editor.el_dynamic,                   "editor.el_dynamic"
9678   },
9679   {
9680     TYPE_SWITCH,
9681     &setup.editor.el_headlines,                 "editor.el_headlines"
9682   },
9683   {
9684     TYPE_SWITCH,
9685     &setup.editor.show_element_token,           "editor.show_element_token"
9686   },
9687   {
9688     TYPE_SWITCH,
9689     &setup.editor.show_read_only_warning,       "editor.show_read_only_warning"
9690   },
9691 };
9692
9693 static struct TokenInfo editor_cascade_setup_tokens[] =
9694 {
9695   {
9696     TYPE_SWITCH,
9697     &setup.editor_cascade.el_bd,                "editor.cascade.el_bd"
9698   },
9699   {
9700     TYPE_SWITCH,
9701     &setup.editor_cascade.el_em,                "editor.cascade.el_em"
9702   },
9703   {
9704     TYPE_SWITCH,
9705     &setup.editor_cascade.el_emc,               "editor.cascade.el_emc"
9706   },
9707   {
9708     TYPE_SWITCH,
9709     &setup.editor_cascade.el_rnd,               "editor.cascade.el_rnd"
9710   },
9711   {
9712     TYPE_SWITCH,
9713     &setup.editor_cascade.el_sb,                "editor.cascade.el_sb"
9714   },
9715   {
9716     TYPE_SWITCH,
9717     &setup.editor_cascade.el_sp,                "editor.cascade.el_sp"
9718   },
9719   {
9720     TYPE_SWITCH,
9721     &setup.editor_cascade.el_dc,                "editor.cascade.el_dc"
9722   },
9723   {
9724     TYPE_SWITCH,
9725     &setup.editor_cascade.el_dx,                "editor.cascade.el_dx"
9726   },
9727   {
9728     TYPE_SWITCH,
9729     &setup.editor_cascade.el_mm,                "editor.cascade.el_mm"
9730   },
9731   {
9732     TYPE_SWITCH,
9733     &setup.editor_cascade.el_df,                "editor.cascade.el_df"
9734   },
9735   {
9736     TYPE_SWITCH,
9737     &setup.editor_cascade.el_chars,             "editor.cascade.el_chars"
9738   },
9739   {
9740     TYPE_SWITCH,
9741     &setup.editor_cascade.el_steel_chars,       "editor.cascade.el_steel_chars"
9742   },
9743   {
9744     TYPE_SWITCH,
9745     &setup.editor_cascade.el_ce,                "editor.cascade.el_ce"
9746   },
9747   {
9748     TYPE_SWITCH,
9749     &setup.editor_cascade.el_ge,                "editor.cascade.el_ge"
9750   },
9751   {
9752     TYPE_SWITCH,
9753     &setup.editor_cascade.el_ref,               "editor.cascade.el_ref"
9754   },
9755   {
9756     TYPE_SWITCH,
9757     &setup.editor_cascade.el_user,              "editor.cascade.el_user"
9758   },
9759   {
9760     TYPE_SWITCH,
9761     &setup.editor_cascade.el_dynamic,           "editor.cascade.el_dynamic"
9762   },
9763 };
9764
9765 static struct TokenInfo shortcut_setup_tokens[] =
9766 {
9767   {
9768     TYPE_KEY_X11,
9769     &setup.shortcut.save_game,                  "shortcut.save_game"
9770   },
9771   {
9772     TYPE_KEY_X11,
9773     &setup.shortcut.load_game,                  "shortcut.load_game"
9774   },
9775   {
9776     TYPE_KEY_X11,
9777     &setup.shortcut.toggle_pause,               "shortcut.toggle_pause"
9778   },
9779   {
9780     TYPE_KEY_X11,
9781     &setup.shortcut.focus_player[0],            "shortcut.focus_player_1"
9782   },
9783   {
9784     TYPE_KEY_X11,
9785     &setup.shortcut.focus_player[1],            "shortcut.focus_player_2"
9786   },
9787   {
9788     TYPE_KEY_X11,
9789     &setup.shortcut.focus_player[2],            "shortcut.focus_player_3"
9790   },
9791   {
9792     TYPE_KEY_X11,
9793     &setup.shortcut.focus_player[3],            "shortcut.focus_player_4"
9794   },
9795   {
9796     TYPE_KEY_X11,
9797     &setup.shortcut.focus_player_all,           "shortcut.focus_player_all"
9798   },
9799   {
9800     TYPE_KEY_X11,
9801     &setup.shortcut.tape_eject,                 "shortcut.tape_eject"
9802   },
9803   {
9804     TYPE_KEY_X11,
9805     &setup.shortcut.tape_extra,                 "shortcut.tape_extra"
9806   },
9807   {
9808     TYPE_KEY_X11,
9809     &setup.shortcut.tape_stop,                  "shortcut.tape_stop"
9810   },
9811   {
9812     TYPE_KEY_X11,
9813     &setup.shortcut.tape_pause,                 "shortcut.tape_pause"
9814   },
9815   {
9816     TYPE_KEY_X11,
9817     &setup.shortcut.tape_record,                "shortcut.tape_record"
9818   },
9819   {
9820     TYPE_KEY_X11,
9821     &setup.shortcut.tape_play,                  "shortcut.tape_play"
9822   },
9823   {
9824     TYPE_KEY_X11,
9825     &setup.shortcut.sound_simple,               "shortcut.sound_simple"
9826   },
9827   {
9828     TYPE_KEY_X11,
9829     &setup.shortcut.sound_loops,                "shortcut.sound_loops"
9830   },
9831   {
9832     TYPE_KEY_X11,
9833     &setup.shortcut.sound_music,                "shortcut.sound_music"
9834   },
9835   {
9836     TYPE_KEY_X11,
9837     &setup.shortcut.snap_left,                  "shortcut.snap_left"
9838   },
9839   {
9840     TYPE_KEY_X11,
9841     &setup.shortcut.snap_right,                 "shortcut.snap_right"
9842   },
9843   {
9844     TYPE_KEY_X11,
9845     &setup.shortcut.snap_up,                    "shortcut.snap_up"
9846   },
9847   {
9848     TYPE_KEY_X11,
9849     &setup.shortcut.snap_down,                  "shortcut.snap_down"
9850   },
9851 };
9852
9853 static struct SetupInputInfo setup_input;
9854 static struct TokenInfo player_setup_tokens[] =
9855 {
9856   {
9857     TYPE_BOOLEAN,
9858     &setup_input.use_joystick,                  ".use_joystick"
9859   },
9860   {
9861     TYPE_STRING,
9862     &setup_input.joy.device_name,               ".joy.device_name"
9863   },
9864   {
9865     TYPE_INTEGER,
9866     &setup_input.joy.xleft,                     ".joy.xleft"
9867   },
9868   {
9869     TYPE_INTEGER,
9870     &setup_input.joy.xmiddle,                   ".joy.xmiddle"
9871   },
9872   {
9873     TYPE_INTEGER,
9874     &setup_input.joy.xright,                    ".joy.xright"
9875   },
9876   {
9877     TYPE_INTEGER,
9878     &setup_input.joy.yupper,                    ".joy.yupper"
9879   },
9880   {
9881     TYPE_INTEGER,
9882     &setup_input.joy.ymiddle,                   ".joy.ymiddle"
9883   },
9884   {
9885     TYPE_INTEGER,
9886     &setup_input.joy.ylower,                    ".joy.ylower"
9887   },
9888   {
9889     TYPE_INTEGER,
9890     &setup_input.joy.snap,                      ".joy.snap_field"
9891   },
9892   {
9893     TYPE_INTEGER,
9894     &setup_input.joy.drop,                      ".joy.place_bomb"
9895   },
9896   {
9897     TYPE_KEY_X11,
9898     &setup_input.key.left,                      ".key.move_left"
9899   },
9900   {
9901     TYPE_KEY_X11,
9902     &setup_input.key.right,                     ".key.move_right"
9903   },
9904   {
9905     TYPE_KEY_X11,
9906     &setup_input.key.up,                        ".key.move_up"
9907   },
9908   {
9909     TYPE_KEY_X11,
9910     &setup_input.key.down,                      ".key.move_down"
9911   },
9912   {
9913     TYPE_KEY_X11,
9914     &setup_input.key.snap,                      ".key.snap_field"
9915   },
9916   {
9917     TYPE_KEY_X11,
9918     &setup_input.key.drop,                      ".key.place_bomb"
9919   },
9920 };
9921
9922 static struct TokenInfo system_setup_tokens[] =
9923 {
9924   {
9925     TYPE_STRING,
9926     &setup.system.sdl_renderdriver,             "system.sdl_renderdriver"
9927   },
9928   {
9929     TYPE_STRING,
9930     &setup.system.sdl_videodriver,              "system.sdl_videodriver"
9931   },
9932   {
9933     TYPE_STRING,
9934     &setup.system.sdl_audiodriver,              "system.sdl_audiodriver"
9935   },
9936   {
9937     TYPE_INTEGER,
9938     &setup.system.audio_fragment_size,          "system.audio_fragment_size"
9939   },
9940 };
9941
9942 static struct TokenInfo internal_setup_tokens[] =
9943 {
9944   {
9945     TYPE_STRING,
9946     &setup.internal.program_title,              "program_title"
9947   },
9948   {
9949     TYPE_STRING,
9950     &setup.internal.program_version,            "program_version"
9951   },
9952   {
9953     TYPE_STRING,
9954     &setup.internal.program_author,             "program_author"
9955   },
9956   {
9957     TYPE_STRING,
9958     &setup.internal.program_email,              "program_email"
9959   },
9960   {
9961     TYPE_STRING,
9962     &setup.internal.program_website,            "program_website"
9963   },
9964   {
9965     TYPE_STRING,
9966     &setup.internal.program_copyright,          "program_copyright"
9967   },
9968   {
9969     TYPE_STRING,
9970     &setup.internal.program_company,            "program_company"
9971   },
9972   {
9973     TYPE_STRING,
9974     &setup.internal.program_icon_file,          "program_icon_file"
9975   },
9976   {
9977     TYPE_STRING,
9978     &setup.internal.default_graphics_set,       "default_graphics_set"
9979   },
9980   {
9981     TYPE_STRING,
9982     &setup.internal.default_sounds_set,         "default_sounds_set"
9983   },
9984   {
9985     TYPE_STRING,
9986     &setup.internal.default_music_set,          "default_music_set"
9987   },
9988   {
9989     TYPE_STRING,
9990     &setup.internal.fallback_graphics_file,     "fallback_graphics_file"
9991   },
9992   {
9993     TYPE_STRING,
9994     &setup.internal.fallback_sounds_file,       "fallback_sounds_file"
9995   },
9996   {
9997     TYPE_STRING,
9998     &setup.internal.fallback_music_file,        "fallback_music_file"
9999   },
10000   {
10001     TYPE_STRING,
10002     &setup.internal.default_level_series,       "default_level_series"
10003   },
10004   {
10005     TYPE_INTEGER,
10006     &setup.internal.default_window_width,       "default_window_width"
10007   },
10008   {
10009     TYPE_INTEGER,
10010     &setup.internal.default_window_height,      "default_window_height"
10011   },
10012   {
10013     TYPE_BOOLEAN,
10014     &setup.internal.choose_from_top_leveldir,   "choose_from_top_leveldir"
10015   },
10016   {
10017     TYPE_BOOLEAN,
10018     &setup.internal.show_scaling_in_title,      "show_scaling_in_title"
10019   },
10020   {
10021     TYPE_BOOLEAN,
10022     &setup.internal.create_user_levelset,       "create_user_levelset"
10023   },
10024   {
10025     TYPE_BOOLEAN,
10026     &setup.internal.menu_game,                  "menu_game"
10027   },
10028   {
10029     TYPE_BOOLEAN,
10030     &setup.internal.menu_editor,                "menu_editor"
10031   },
10032   {
10033     TYPE_BOOLEAN,
10034     &setup.internal.menu_graphics,              "menu_graphics"
10035   },
10036   {
10037     TYPE_BOOLEAN,
10038     &setup.internal.menu_sound,                 "menu_sound"
10039   },
10040   {
10041     TYPE_BOOLEAN,
10042     &setup.internal.menu_artwork,               "menu_artwork"
10043   },
10044   {
10045     TYPE_BOOLEAN,
10046     &setup.internal.menu_input,                 "menu_input"
10047   },
10048   {
10049     TYPE_BOOLEAN,
10050     &setup.internal.menu_touch,                 "menu_touch"
10051   },
10052   {
10053     TYPE_BOOLEAN,
10054     &setup.internal.menu_shortcuts,             "menu_shortcuts"
10055   },
10056   {
10057     TYPE_BOOLEAN,
10058     &setup.internal.menu_exit,                  "menu_exit"
10059   },
10060   {
10061     TYPE_BOOLEAN,
10062     &setup.internal.menu_save_and_exit,         "menu_save_and_exit"
10063   },
10064 };
10065
10066 static struct TokenInfo debug_setup_tokens[] =
10067 {
10068   {
10069     TYPE_INTEGER,
10070     &setup.debug.frame_delay[0],                "debug.frame_delay_0"
10071   },
10072   {
10073     TYPE_INTEGER,
10074     &setup.debug.frame_delay[1],                "debug.frame_delay_1"
10075   },
10076   {
10077     TYPE_INTEGER,
10078     &setup.debug.frame_delay[2],                "debug.frame_delay_2"
10079   },
10080   {
10081     TYPE_INTEGER,
10082     &setup.debug.frame_delay[3],                "debug.frame_delay_3"
10083   },
10084   {
10085     TYPE_INTEGER,
10086     &setup.debug.frame_delay[4],                "debug.frame_delay_4"
10087   },
10088   {
10089     TYPE_INTEGER,
10090     &setup.debug.frame_delay[5],                "debug.frame_delay_5"
10091   },
10092   {
10093     TYPE_INTEGER,
10094     &setup.debug.frame_delay[6],                "debug.frame_delay_6"
10095   },
10096   {
10097     TYPE_INTEGER,
10098     &setup.debug.frame_delay[7],                "debug.frame_delay_7"
10099   },
10100   {
10101     TYPE_INTEGER,
10102     &setup.debug.frame_delay[8],                "debug.frame_delay_8"
10103   },
10104   {
10105     TYPE_INTEGER,
10106     &setup.debug.frame_delay[9],                "debug.frame_delay_9"
10107   },
10108   {
10109     TYPE_KEY_X11,
10110     &setup.debug.frame_delay_key[0],            "debug.key.frame_delay_0"
10111   },
10112   {
10113     TYPE_KEY_X11,
10114     &setup.debug.frame_delay_key[1],            "debug.key.frame_delay_1"
10115   },
10116   {
10117     TYPE_KEY_X11,
10118     &setup.debug.frame_delay_key[2],            "debug.key.frame_delay_2"
10119   },
10120   {
10121     TYPE_KEY_X11,
10122     &setup.debug.frame_delay_key[3],            "debug.key.frame_delay_3"
10123   },
10124   {
10125     TYPE_KEY_X11,
10126     &setup.debug.frame_delay_key[4],            "debug.key.frame_delay_4"
10127   },
10128   {
10129     TYPE_KEY_X11,
10130     &setup.debug.frame_delay_key[5],            "debug.key.frame_delay_5"
10131   },
10132   {
10133     TYPE_KEY_X11,
10134     &setup.debug.frame_delay_key[6],            "debug.key.frame_delay_6"
10135   },
10136   {
10137     TYPE_KEY_X11,
10138     &setup.debug.frame_delay_key[7],            "debug.key.frame_delay_7"
10139   },
10140   {
10141     TYPE_KEY_X11,
10142     &setup.debug.frame_delay_key[8],            "debug.key.frame_delay_8"
10143   },
10144   {
10145     TYPE_KEY_X11,
10146     &setup.debug.frame_delay_key[9],            "debug.key.frame_delay_9"
10147   },
10148   {
10149     TYPE_BOOLEAN,
10150     &setup.debug.frame_delay_use_mod_key,       "debug.frame_delay.use_mod_key"},
10151   {
10152     TYPE_BOOLEAN,
10153     &setup.debug.frame_delay_game_only,         "debug.frame_delay.game_only"
10154   },
10155   {
10156     TYPE_BOOLEAN,
10157     &setup.debug.show_frames_per_second,        "debug.show_frames_per_second"
10158   },
10159   {
10160     TYPE_SWITCH3,
10161     &setup.debug.xsn_mode,                      "debug.xsn_mode"
10162   },
10163   {
10164     TYPE_INTEGER,
10165     &setup.debug.xsn_percent,                   "debug.xsn_percent"
10166   },
10167 };
10168
10169 static struct TokenInfo options_setup_tokens[] =
10170 {
10171   {
10172     TYPE_BOOLEAN,
10173     &setup.options.verbose,                     "options.verbose"
10174   },
10175 };
10176
10177 static void setSetupInfoToDefaults(struct SetupInfo *si)
10178 {
10179   int i;
10180
10181   si->player_name = getStringCopy(getDefaultUserName(user.nr));
10182
10183   si->multiple_users = TRUE;
10184
10185   si->sound = TRUE;
10186   si->sound_loops = TRUE;
10187   si->sound_music = TRUE;
10188   si->sound_simple = TRUE;
10189   si->toons = TRUE;
10190   si->scroll_delay = TRUE;
10191   si->forced_scroll_delay = FALSE;
10192   si->scroll_delay_value = STD_SCROLL_DELAY;
10193   si->engine_snapshot_mode = getStringCopy(STR_SNAPSHOT_MODE_DEFAULT);
10194   si->engine_snapshot_memory = SNAPSHOT_MEMORY_DEFAULT;
10195   si->fade_screens = TRUE;
10196   si->autorecord = TRUE;
10197   si->show_titlescreen = TRUE;
10198   si->quick_doors = FALSE;
10199   si->team_mode = FALSE;
10200   si->handicap = TRUE;
10201   si->skip_levels = TRUE;
10202   si->increment_levels = TRUE;
10203   si->auto_play_next_level = TRUE;
10204   si->count_score_after_game = TRUE;
10205   si->show_scores_after_game = TRUE;
10206   si->time_limit = TRUE;
10207   si->fullscreen = FALSE;
10208   si->window_scaling_percent = STD_WINDOW_SCALING_PERCENT;
10209   si->window_scaling_quality = getStringCopy(SCALING_QUALITY_DEFAULT);
10210   si->screen_rendering_mode = getStringCopy(STR_SPECIAL_RENDERING_DEFAULT);
10211   si->vsync_mode = getStringCopy(STR_VSYNC_MODE_DEFAULT);
10212   si->ask_on_escape = TRUE;
10213   si->ask_on_escape_editor = TRUE;
10214   si->ask_on_game_over = TRUE;
10215   si->ask_on_quit_game = TRUE;
10216   si->ask_on_quit_program = TRUE;
10217   si->quick_switch = FALSE;
10218   si->input_on_focus = FALSE;
10219   si->prefer_aga_graphics = TRUE;
10220   si->prefer_lowpass_sounds = FALSE;
10221   si->prefer_extra_panel_items = TRUE;
10222   si->game_speed_extended = FALSE;
10223   si->game_frame_delay = GAME_FRAME_DELAY;
10224   si->sp_show_border_elements = FALSE;
10225   si->small_game_graphics = FALSE;
10226   si->show_snapshot_buttons = FALSE;
10227   si->only_show_local_scores = FALSE;
10228
10229   si->graphics_set = getStringCopy(GFX_CLASSIC_SUBDIR);
10230   si->sounds_set   = getStringCopy(SND_CLASSIC_SUBDIR);
10231   si->music_set    = getStringCopy(MUS_CLASSIC_SUBDIR);
10232
10233   si->override_level_graphics = FALSE;
10234   si->override_level_sounds = FALSE;
10235   si->override_level_music = FALSE;
10236
10237   si->volume_simple = 100;              // percent
10238   si->volume_loops = 100;               // percent
10239   si->volume_music = 100;               // percent
10240
10241   si->network_mode = FALSE;
10242   si->network_player_nr = 0;            // first player
10243   si->network_server_hostname = getStringCopy(STR_NETWORK_AUTO_DETECT);
10244
10245   si->api_server = TRUE;
10246   si->api_server_hostname = getStringCopy(API_SERVER_HOSTNAME);
10247
10248   si->touch.control_type = getStringCopy(TOUCH_CONTROL_DEFAULT);
10249   si->touch.move_distance = TOUCH_MOVE_DISTANCE_DEFAULT;        // percent
10250   si->touch.drop_distance = TOUCH_DROP_DISTANCE_DEFAULT;        // percent
10251   si->touch.transparency = TOUCH_TRANSPARENCY_DEFAULT;          // percent
10252   si->touch.draw_outlined = TRUE;
10253   si->touch.draw_pressed = TRUE;
10254
10255   for (i = 0; i < 2; i++)
10256   {
10257     char *default_grid_button[6][2] =
10258     {
10259       { "      ", "  ^^  " },
10260       { "      ", "  ^^  " },
10261       { "      ", "<<  >>" },
10262       { "      ", "<<  >>" },
10263       { "111222", "  vv  " },
10264       { "111222", "  vv  " }
10265     };
10266     int grid_xsize = DEFAULT_GRID_XSIZE(i);
10267     int grid_ysize = DEFAULT_GRID_YSIZE(i);
10268     int min_xsize = MIN(6, grid_xsize);
10269     int min_ysize = MIN(6, grid_ysize);
10270     int startx = grid_xsize - min_xsize;
10271     int starty = grid_ysize - min_ysize;
10272     int x, y;
10273
10274     // virtual buttons grid can only be set to defaults if video is initialized
10275     // (this will be repeated if virtual buttons are not loaded from setup file)
10276     if (video.initialized)
10277     {
10278       si->touch.grid_xsize[i] = grid_xsize;
10279       si->touch.grid_ysize[i] = grid_ysize;
10280     }
10281     else
10282     {
10283       si->touch.grid_xsize[i] = -1;
10284       si->touch.grid_ysize[i] = -1;
10285     }
10286
10287     for (x = 0; x < MAX_GRID_XSIZE; x++)
10288       for (y = 0; y < MAX_GRID_YSIZE; y++)
10289         si->touch.grid_button[i][x][y] = CHAR_GRID_BUTTON_NONE;
10290
10291     for (x = 0; x < min_xsize; x++)
10292       for (y = 0; y < min_ysize; y++)
10293         si->touch.grid_button[i][x][starty + y] =
10294           default_grid_button[y][0][x];
10295
10296     for (x = 0; x < min_xsize; x++)
10297       for (y = 0; y < min_ysize; y++)
10298         si->touch.grid_button[i][startx + x][starty + y] =
10299           default_grid_button[y][1][x];
10300   }
10301
10302   si->touch.grid_initialized            = video.initialized;
10303
10304   si->editor.el_boulderdash             = TRUE;
10305   si->editor.el_emerald_mine            = TRUE;
10306   si->editor.el_emerald_mine_club       = TRUE;
10307   si->editor.el_more                    = TRUE;
10308   si->editor.el_sokoban                 = TRUE;
10309   si->editor.el_supaplex                = TRUE;
10310   si->editor.el_diamond_caves           = TRUE;
10311   si->editor.el_dx_boulderdash          = TRUE;
10312
10313   si->editor.el_mirror_magic            = TRUE;
10314   si->editor.el_deflektor               = TRUE;
10315
10316   si->editor.el_chars                   = TRUE;
10317   si->editor.el_steel_chars             = TRUE;
10318
10319   si->editor.el_classic                 = TRUE;
10320   si->editor.el_custom                  = TRUE;
10321
10322   si->editor.el_user_defined            = FALSE;
10323   si->editor.el_dynamic                 = TRUE;
10324
10325   si->editor.el_headlines               = TRUE;
10326
10327   si->editor.show_element_token         = FALSE;
10328
10329   si->editor.show_read_only_warning     = TRUE;
10330
10331   si->editor.use_template_for_new_levels = TRUE;
10332
10333   si->shortcut.save_game        = DEFAULT_KEY_SAVE_GAME;
10334   si->shortcut.load_game        = DEFAULT_KEY_LOAD_GAME;
10335   si->shortcut.toggle_pause     = DEFAULT_KEY_TOGGLE_PAUSE;
10336
10337   si->shortcut.focus_player[0]  = DEFAULT_KEY_FOCUS_PLAYER_1;
10338   si->shortcut.focus_player[1]  = DEFAULT_KEY_FOCUS_PLAYER_2;
10339   si->shortcut.focus_player[2]  = DEFAULT_KEY_FOCUS_PLAYER_3;
10340   si->shortcut.focus_player[3]  = DEFAULT_KEY_FOCUS_PLAYER_4;
10341   si->shortcut.focus_player_all = DEFAULT_KEY_FOCUS_PLAYER_ALL;
10342
10343   si->shortcut.tape_eject       = DEFAULT_KEY_TAPE_EJECT;
10344   si->shortcut.tape_extra       = DEFAULT_KEY_TAPE_EXTRA;
10345   si->shortcut.tape_stop        = DEFAULT_KEY_TAPE_STOP;
10346   si->shortcut.tape_pause       = DEFAULT_KEY_TAPE_PAUSE;
10347   si->shortcut.tape_record      = DEFAULT_KEY_TAPE_RECORD;
10348   si->shortcut.tape_play        = DEFAULT_KEY_TAPE_PLAY;
10349
10350   si->shortcut.sound_simple     = DEFAULT_KEY_SOUND_SIMPLE;
10351   si->shortcut.sound_loops      = DEFAULT_KEY_SOUND_LOOPS;
10352   si->shortcut.sound_music      = DEFAULT_KEY_SOUND_MUSIC;
10353
10354   si->shortcut.snap_left        = DEFAULT_KEY_SNAP_LEFT;
10355   si->shortcut.snap_right       = DEFAULT_KEY_SNAP_RIGHT;
10356   si->shortcut.snap_up          = DEFAULT_KEY_SNAP_UP;
10357   si->shortcut.snap_down        = DEFAULT_KEY_SNAP_DOWN;
10358
10359   for (i = 0; i < MAX_PLAYERS; i++)
10360   {
10361     si->input[i].use_joystick = FALSE;
10362     si->input[i].joy.device_name=getStringCopy(getDeviceNameFromJoystickNr(i));
10363     si->input[i].joy.xleft   = JOYSTICK_XLEFT;
10364     si->input[i].joy.xmiddle = JOYSTICK_XMIDDLE;
10365     si->input[i].joy.xright  = JOYSTICK_XRIGHT;
10366     si->input[i].joy.yupper  = JOYSTICK_YUPPER;
10367     si->input[i].joy.ymiddle = JOYSTICK_YMIDDLE;
10368     si->input[i].joy.ylower  = JOYSTICK_YLOWER;
10369     si->input[i].joy.snap  = (i == 0 ? JOY_BUTTON_1 : 0);
10370     si->input[i].joy.drop  = (i == 0 ? JOY_BUTTON_2 : 0);
10371     si->input[i].key.left  = (i == 0 ? DEFAULT_KEY_LEFT  : KSYM_UNDEFINED);
10372     si->input[i].key.right = (i == 0 ? DEFAULT_KEY_RIGHT : KSYM_UNDEFINED);
10373     si->input[i].key.up    = (i == 0 ? DEFAULT_KEY_UP    : KSYM_UNDEFINED);
10374     si->input[i].key.down  = (i == 0 ? DEFAULT_KEY_DOWN  : KSYM_UNDEFINED);
10375     si->input[i].key.snap  = (i == 0 ? DEFAULT_KEY_SNAP  : KSYM_UNDEFINED);
10376     si->input[i].key.drop  = (i == 0 ? DEFAULT_KEY_DROP  : KSYM_UNDEFINED);
10377   }
10378
10379   si->system.sdl_renderdriver = getStringCopy(ARG_DEFAULT);
10380   si->system.sdl_videodriver = getStringCopy(ARG_DEFAULT);
10381   si->system.sdl_audiodriver = getStringCopy(ARG_DEFAULT);
10382   si->system.audio_fragment_size = DEFAULT_AUDIO_FRAGMENT_SIZE;
10383
10384   si->internal.program_title     = getStringCopy(PROGRAM_TITLE_STRING);
10385   si->internal.program_version   = getStringCopy(getProgramRealVersionString());
10386   si->internal.program_author    = getStringCopy(PROGRAM_AUTHOR_STRING);
10387   si->internal.program_email     = getStringCopy(PROGRAM_EMAIL_STRING);
10388   si->internal.program_website   = getStringCopy(PROGRAM_WEBSITE_STRING);
10389   si->internal.program_copyright = getStringCopy(PROGRAM_COPYRIGHT_STRING);
10390   si->internal.program_company   = getStringCopy(PROGRAM_COMPANY_STRING);
10391
10392   si->internal.program_icon_file = getStringCopy(PROGRAM_ICON_FILENAME);
10393
10394   si->internal.default_graphics_set = getStringCopy(GFX_CLASSIC_SUBDIR);
10395   si->internal.default_sounds_set   = getStringCopy(SND_CLASSIC_SUBDIR);
10396   si->internal.default_music_set    = getStringCopy(MUS_CLASSIC_SUBDIR);
10397
10398   si->internal.fallback_graphics_file = getStringCopy(UNDEFINED_FILENAME);
10399   si->internal.fallback_sounds_file   = getStringCopy(UNDEFINED_FILENAME);
10400   si->internal.fallback_music_file    = getStringCopy(UNDEFINED_FILENAME);
10401
10402   si->internal.default_level_series = getStringCopy(UNDEFINED_LEVELSET);
10403   si->internal.choose_from_top_leveldir = FALSE;
10404   si->internal.show_scaling_in_title = TRUE;
10405   si->internal.create_user_levelset = TRUE;
10406
10407   si->internal.default_window_width  = WIN_XSIZE_DEFAULT;
10408   si->internal.default_window_height = WIN_YSIZE_DEFAULT;
10409
10410   si->debug.frame_delay[0] = DEFAULT_FRAME_DELAY_0;
10411   si->debug.frame_delay[1] = DEFAULT_FRAME_DELAY_1;
10412   si->debug.frame_delay[2] = DEFAULT_FRAME_DELAY_2;
10413   si->debug.frame_delay[3] = DEFAULT_FRAME_DELAY_3;
10414   si->debug.frame_delay[4] = DEFAULT_FRAME_DELAY_4;
10415   si->debug.frame_delay[5] = DEFAULT_FRAME_DELAY_5;
10416   si->debug.frame_delay[6] = DEFAULT_FRAME_DELAY_6;
10417   si->debug.frame_delay[7] = DEFAULT_FRAME_DELAY_7;
10418   si->debug.frame_delay[8] = DEFAULT_FRAME_DELAY_8;
10419   si->debug.frame_delay[9] = DEFAULT_FRAME_DELAY_9;
10420
10421   si->debug.frame_delay_key[0] = DEFAULT_KEY_FRAME_DELAY_0;
10422   si->debug.frame_delay_key[1] = DEFAULT_KEY_FRAME_DELAY_1;
10423   si->debug.frame_delay_key[2] = DEFAULT_KEY_FRAME_DELAY_2;
10424   si->debug.frame_delay_key[3] = DEFAULT_KEY_FRAME_DELAY_3;
10425   si->debug.frame_delay_key[4] = DEFAULT_KEY_FRAME_DELAY_4;
10426   si->debug.frame_delay_key[5] = DEFAULT_KEY_FRAME_DELAY_5;
10427   si->debug.frame_delay_key[6] = DEFAULT_KEY_FRAME_DELAY_6;
10428   si->debug.frame_delay_key[7] = DEFAULT_KEY_FRAME_DELAY_7;
10429   si->debug.frame_delay_key[8] = DEFAULT_KEY_FRAME_DELAY_8;
10430   si->debug.frame_delay_key[9] = DEFAULT_KEY_FRAME_DELAY_9;
10431
10432   si->debug.frame_delay_use_mod_key = DEFAULT_FRAME_DELAY_USE_MOD_KEY;
10433   si->debug.frame_delay_game_only   = DEFAULT_FRAME_DELAY_GAME_ONLY;
10434
10435   si->debug.show_frames_per_second = FALSE;
10436
10437   si->debug.xsn_mode = AUTO;
10438   si->debug.xsn_percent = 0;
10439
10440   si->options.verbose = FALSE;
10441
10442 #if defined(PLATFORM_ANDROID)
10443   si->fullscreen = TRUE;
10444 #endif
10445
10446   setHideSetupEntry(&setup.debug.xsn_mode);
10447 }
10448
10449 static void setSetupInfoToDefaults_AutoSetup(struct SetupInfo *si)
10450 {
10451   si->auto_setup.editor_zoom_tilesize = MINI_TILESIZE;
10452 }
10453
10454 static void setSetupInfoToDefaults_EditorCascade(struct SetupInfo *si)
10455 {
10456   si->editor_cascade.el_bd              = TRUE;
10457   si->editor_cascade.el_em              = TRUE;
10458   si->editor_cascade.el_emc             = TRUE;
10459   si->editor_cascade.el_rnd             = TRUE;
10460   si->editor_cascade.el_sb              = TRUE;
10461   si->editor_cascade.el_sp              = TRUE;
10462   si->editor_cascade.el_dc              = TRUE;
10463   si->editor_cascade.el_dx              = TRUE;
10464
10465   si->editor_cascade.el_mm              = TRUE;
10466   si->editor_cascade.el_df              = TRUE;
10467
10468   si->editor_cascade.el_chars           = FALSE;
10469   si->editor_cascade.el_steel_chars     = FALSE;
10470   si->editor_cascade.el_ce              = FALSE;
10471   si->editor_cascade.el_ge              = FALSE;
10472   si->editor_cascade.el_ref             = FALSE;
10473   si->editor_cascade.el_user            = FALSE;
10474   si->editor_cascade.el_dynamic         = FALSE;
10475 }
10476
10477 #define MAX_HIDE_SETUP_TOKEN_SIZE               20
10478
10479 static char *getHideSetupToken(void *setup_value)
10480 {
10481   static char hide_setup_token[MAX_HIDE_SETUP_TOKEN_SIZE];
10482
10483   if (setup_value != NULL)
10484     snprintf(hide_setup_token, MAX_HIDE_SETUP_TOKEN_SIZE, "%p", setup_value);
10485
10486   return hide_setup_token;
10487 }
10488
10489 void setHideSetupEntry(void *setup_value)
10490 {
10491   char *hide_setup_token = getHideSetupToken(setup_value);
10492
10493   if (hide_setup_hash == NULL)
10494     hide_setup_hash = newSetupFileHash();
10495
10496   if (setup_value != NULL)
10497     setHashEntry(hide_setup_hash, hide_setup_token, "");
10498 }
10499
10500 void removeHideSetupEntry(void *setup_value)
10501 {
10502   char *hide_setup_token = getHideSetupToken(setup_value);
10503
10504   if (setup_value != NULL)
10505     removeHashEntry(hide_setup_hash, hide_setup_token);
10506 }
10507
10508 boolean hideSetupEntry(void *setup_value)
10509 {
10510   char *hide_setup_token = getHideSetupToken(setup_value);
10511
10512   return (setup_value != NULL &&
10513           getHashEntry(hide_setup_hash, hide_setup_token) != NULL);
10514 }
10515
10516 static void setSetupInfoFromTokenText(SetupFileHash *setup_file_hash,
10517                                       struct TokenInfo *token_info,
10518                                       int token_nr, char *token_text)
10519 {
10520   char *token_hide_text = getStringCat2(token_text, ".hide");
10521   char *token_hide_value = getHashEntry(setup_file_hash, token_hide_text);
10522
10523   // set the value of this setup option in the setup option structure
10524   setSetupInfo(token_info, token_nr, getHashEntry(setup_file_hash, token_text));
10525
10526   // check if this setup option should be hidden in the setup menu
10527   if (token_hide_value != NULL && get_boolean_from_string(token_hide_value))
10528     setHideSetupEntry(token_info[token_nr].value);
10529
10530   free(token_hide_text);
10531 }
10532
10533 static void setSetupInfoFromTokenInfo(SetupFileHash *setup_file_hash,
10534                                       struct TokenInfo *token_info,
10535                                       int token_nr)
10536 {
10537   setSetupInfoFromTokenText(setup_file_hash, token_info, token_nr,
10538                             token_info[token_nr].text);
10539 }
10540
10541 static void decodeSetupFileHash(SetupFileHash *setup_file_hash)
10542 {
10543   int i, pnr;
10544
10545   if (!setup_file_hash)
10546     return;
10547
10548   for (i = 0; i < ARRAY_SIZE(global_setup_tokens); i++)
10549     setSetupInfoFromTokenInfo(setup_file_hash, global_setup_tokens, i);
10550
10551   setup.touch.grid_initialized = TRUE;
10552   for (i = 0; i < 2; i++)
10553   {
10554     int grid_xsize = setup.touch.grid_xsize[i];
10555     int grid_ysize = setup.touch.grid_ysize[i];
10556     int x, y;
10557
10558     // if virtual buttons are not loaded from setup file, repeat initializing
10559     // virtual buttons grid with default values later when video is initialized
10560     if (grid_xsize == -1 ||
10561         grid_ysize == -1)
10562     {
10563       setup.touch.grid_initialized = FALSE;
10564
10565       continue;
10566     }
10567
10568     for (y = 0; y < grid_ysize; y++)
10569     {
10570       char token_string[MAX_LINE_LEN];
10571
10572       sprintf(token_string, "touch.virtual_buttons.%d.%02d", i, y);
10573
10574       char *value_string = getHashEntry(setup_file_hash, token_string);
10575
10576       if (value_string == NULL)
10577         continue;
10578
10579       for (x = 0; x < grid_xsize; x++)
10580       {
10581         char c = value_string[x];
10582
10583         setup.touch.grid_button[i][x][y] =
10584           (c == '.' ? CHAR_GRID_BUTTON_NONE : c);
10585       }
10586     }
10587   }
10588
10589   for (i = 0; i < ARRAY_SIZE(editor_setup_tokens); i++)
10590     setSetupInfoFromTokenInfo(setup_file_hash, editor_setup_tokens, i);
10591
10592   for (i = 0; i < ARRAY_SIZE(shortcut_setup_tokens); i++)
10593     setSetupInfoFromTokenInfo(setup_file_hash, shortcut_setup_tokens, i);
10594
10595   for (pnr = 0; pnr < MAX_PLAYERS; pnr++)
10596   {
10597     char prefix[30];
10598
10599     sprintf(prefix, "%s%d", TOKEN_STR_PLAYER_PREFIX, pnr + 1);
10600
10601     setup_input = setup.input[pnr];
10602     for (i = 0; i < ARRAY_SIZE(player_setup_tokens); i++)
10603     {
10604       char full_token[100];
10605
10606       sprintf(full_token, "%s%s", prefix, player_setup_tokens[i].text);
10607       setSetupInfoFromTokenText(setup_file_hash, player_setup_tokens, i,
10608                                 full_token);
10609     }
10610     setup.input[pnr] = setup_input;
10611   }
10612
10613   for (i = 0; i < ARRAY_SIZE(system_setup_tokens); i++)
10614     setSetupInfoFromTokenInfo(setup_file_hash, system_setup_tokens, i);
10615
10616   for (i = 0; i < ARRAY_SIZE(internal_setup_tokens); i++)
10617     setSetupInfoFromTokenInfo(setup_file_hash, internal_setup_tokens, i);
10618
10619   for (i = 0; i < ARRAY_SIZE(debug_setup_tokens); i++)
10620     setSetupInfoFromTokenInfo(setup_file_hash, debug_setup_tokens, i);
10621
10622   for (i = 0; i < ARRAY_SIZE(options_setup_tokens); i++)
10623     setSetupInfoFromTokenInfo(setup_file_hash, options_setup_tokens, i);
10624
10625   setHideRelatedSetupEntries();
10626 }
10627
10628 static void decodeSetupFileHash_AutoSetup(SetupFileHash *setup_file_hash)
10629 {
10630   int i;
10631
10632   if (!setup_file_hash)
10633     return;
10634
10635   for (i = 0; i < ARRAY_SIZE(auto_setup_tokens); i++)
10636     setSetupInfo(auto_setup_tokens, i,
10637                  getHashEntry(setup_file_hash,
10638                               auto_setup_tokens[i].text));
10639 }
10640
10641 static void decodeSetupFileHash_EditorCascade(SetupFileHash *setup_file_hash)
10642 {
10643   int i;
10644
10645   if (!setup_file_hash)
10646     return;
10647
10648   for (i = 0; i < ARRAY_SIZE(editor_cascade_setup_tokens); i++)
10649     setSetupInfo(editor_cascade_setup_tokens, i,
10650                  getHashEntry(setup_file_hash,
10651                               editor_cascade_setup_tokens[i].text));
10652 }
10653
10654 void LoadUserNames(void)
10655 {
10656   int last_user_nr = user.nr;
10657   int i;
10658
10659   if (global.user_names != NULL)
10660   {
10661     for (i = 0; i < MAX_PLAYER_NAMES; i++)
10662       checked_free(global.user_names[i]);
10663
10664     checked_free(global.user_names);
10665   }
10666
10667   global.user_names = checked_calloc(MAX_PLAYER_NAMES * sizeof(char *));
10668
10669   for (i = 0; i < MAX_PLAYER_NAMES; i++)
10670   {
10671     user.nr = i;
10672
10673     SetupFileHash *setup_file_hash = loadSetupFileHash(getSetupFilename());
10674
10675     if (setup_file_hash)
10676     {
10677       char *player_name = getHashEntry(setup_file_hash, "player_name");
10678
10679       global.user_names[i] = getFixedUserName(player_name);
10680
10681       freeSetupFileHash(setup_file_hash);
10682     }
10683
10684     if (global.user_names[i] == NULL)
10685       global.user_names[i] = getStringCopy(getDefaultUserName(i));
10686   }
10687
10688   user.nr = last_user_nr;
10689 }
10690
10691 void LoadSetupFromFilename(char *filename)
10692 {
10693   SetupFileHash *setup_file_hash = loadSetupFileHash(filename);
10694
10695   if (setup_file_hash)
10696   {
10697     decodeSetupFileHash(setup_file_hash);
10698
10699     freeSetupFileHash(setup_file_hash);
10700   }
10701   else
10702   {
10703     Debug("setup", "using default setup values");
10704   }
10705 }
10706
10707 static void LoadSetup_SpecialPostProcessing(void)
10708 {
10709   char *player_name_new;
10710
10711   // needed to work around problems with fixed length strings
10712   player_name_new = getFixedUserName(setup.player_name);
10713   free(setup.player_name);
10714   setup.player_name = player_name_new;
10715
10716   // "scroll_delay: on(3) / off(0)" was replaced by scroll delay value
10717   if (setup.scroll_delay == FALSE)
10718   {
10719     setup.scroll_delay_value = MIN_SCROLL_DELAY;
10720     setup.scroll_delay = TRUE;                  // now always "on"
10721   }
10722
10723   // make sure that scroll delay value stays inside valid range
10724   setup.scroll_delay_value =
10725     MIN(MAX(MIN_SCROLL_DELAY, setup.scroll_delay_value), MAX_SCROLL_DELAY);
10726 }
10727
10728 void LoadSetup(void)
10729 {
10730   char *filename;
10731
10732   // always start with reliable default values
10733   setSetupInfoToDefaults(&setup);
10734
10735   // try to load setup values from default setup file
10736   filename = getDefaultSetupFilename();
10737
10738   if (fileExists(filename))
10739     LoadSetupFromFilename(filename);
10740
10741   // try to load setup values from user setup file
10742   filename = getSetupFilename();
10743
10744   LoadSetupFromFilename(filename);
10745
10746   LoadSetup_SpecialPostProcessing();
10747 }
10748
10749 void LoadSetup_AutoSetup(void)
10750 {
10751   char *filename = getPath2(getSetupDir(), AUTOSETUP_FILENAME);
10752   SetupFileHash *setup_file_hash = NULL;
10753
10754   // always start with reliable default values
10755   setSetupInfoToDefaults_AutoSetup(&setup);
10756
10757   setup_file_hash = loadSetupFileHash(filename);
10758
10759   if (setup_file_hash)
10760   {
10761     decodeSetupFileHash_AutoSetup(setup_file_hash);
10762
10763     freeSetupFileHash(setup_file_hash);
10764   }
10765
10766   free(filename);
10767 }
10768
10769 void LoadSetup_EditorCascade(void)
10770 {
10771   char *filename = getPath2(getSetupDir(), EDITORCASCADE_FILENAME);
10772   SetupFileHash *setup_file_hash = NULL;
10773
10774   // always start with reliable default values
10775   setSetupInfoToDefaults_EditorCascade(&setup);
10776
10777   setup_file_hash = loadSetupFileHash(filename);
10778
10779   if (setup_file_hash)
10780   {
10781     decodeSetupFileHash_EditorCascade(setup_file_hash);
10782
10783     freeSetupFileHash(setup_file_hash);
10784   }
10785
10786   free(filename);
10787 }
10788
10789 static void addGameControllerMappingToHash(SetupFileHash *mappings_hash,
10790                                            char *mapping_line)
10791 {
10792   char mapping_guid[MAX_LINE_LEN];
10793   char *mapping_start, *mapping_end;
10794
10795   // get GUID from game controller mapping line: copy complete line
10796   strncpy(mapping_guid, mapping_line, MAX_LINE_LEN - 1);
10797   mapping_guid[MAX_LINE_LEN - 1] = '\0';
10798
10799   // get GUID from game controller mapping line: cut after GUID part
10800   mapping_start = strchr(mapping_guid, ',');
10801   if (mapping_start != NULL)
10802     *mapping_start = '\0';
10803
10804   // cut newline from game controller mapping line
10805   mapping_end = strchr(mapping_line, '\n');
10806   if (mapping_end != NULL)
10807     *mapping_end = '\0';
10808
10809   // add mapping entry to game controller mappings hash
10810   setHashEntry(mappings_hash, mapping_guid, mapping_line);
10811 }
10812
10813 static void LoadSetup_ReadGameControllerMappings(SetupFileHash *mappings_hash,
10814                                                  char *filename)
10815 {
10816   FILE *file;
10817
10818   if (!(file = fopen(filename, MODE_READ)))
10819   {
10820     Warn("cannot read game controller mappings file '%s'", filename);
10821
10822     return;
10823   }
10824
10825   while (!feof(file))
10826   {
10827     char line[MAX_LINE_LEN];
10828
10829     if (!fgets(line, MAX_LINE_LEN, file))
10830       break;
10831
10832     addGameControllerMappingToHash(mappings_hash, line);
10833   }
10834
10835   fclose(file);
10836 }
10837
10838 void SaveSetup(void)
10839 {
10840   char *filename = getSetupFilename();
10841   FILE *file;
10842   int i, pnr;
10843
10844   InitUserDataDirectory();
10845
10846   if (!(file = fopen(filename, MODE_WRITE)))
10847   {
10848     Warn("cannot write setup file '%s'", filename);
10849
10850     return;
10851   }
10852
10853   fprintFileHeader(file, SETUP_FILENAME);
10854
10855   for (i = 0; i < ARRAY_SIZE(global_setup_tokens); i++)
10856   {
10857     // just to make things nicer :)
10858     if (global_setup_tokens[i].value == &setup.multiple_users           ||
10859         global_setup_tokens[i].value == &setup.sound                    ||
10860         global_setup_tokens[i].value == &setup.graphics_set             ||
10861         global_setup_tokens[i].value == &setup.volume_simple            ||
10862         global_setup_tokens[i].value == &setup.network_mode             ||
10863         global_setup_tokens[i].value == &setup.api_server               ||
10864         global_setup_tokens[i].value == &setup.touch.control_type       ||
10865         global_setup_tokens[i].value == &setup.touch.grid_xsize[0]      ||
10866         global_setup_tokens[i].value == &setup.touch.grid_xsize[1])
10867       fprintf(file, "\n");
10868
10869     fprintf(file, "%s\n", getSetupLine(global_setup_tokens, "", i));
10870   }
10871
10872   for (i = 0; i < 2; i++)
10873   {
10874     int grid_xsize = setup.touch.grid_xsize[i];
10875     int grid_ysize = setup.touch.grid_ysize[i];
10876     int x, y;
10877
10878     fprintf(file, "\n");
10879
10880     for (y = 0; y < grid_ysize; y++)
10881     {
10882       char token_string[MAX_LINE_LEN];
10883       char value_string[MAX_LINE_LEN];
10884
10885       sprintf(token_string, "touch.virtual_buttons.%d.%02d", i, y);
10886
10887       for (x = 0; x < grid_xsize; x++)
10888       {
10889         char c = setup.touch.grid_button[i][x][y];
10890
10891         value_string[x] = (c == CHAR_GRID_BUTTON_NONE ? '.' : c);
10892       }
10893
10894       value_string[grid_xsize] = '\0';
10895
10896       fprintf(file, "%s\n", getFormattedSetupEntry(token_string, value_string));
10897     }
10898   }
10899
10900   fprintf(file, "\n");
10901   for (i = 0; i < ARRAY_SIZE(editor_setup_tokens); i++)
10902     fprintf(file, "%s\n", getSetupLine(editor_setup_tokens, "", i));
10903
10904   fprintf(file, "\n");
10905   for (i = 0; i < ARRAY_SIZE(shortcut_setup_tokens); i++)
10906     fprintf(file, "%s\n", getSetupLine(shortcut_setup_tokens, "", i));
10907
10908   for (pnr = 0; pnr < MAX_PLAYERS; pnr++)
10909   {
10910     char prefix[30];
10911
10912     sprintf(prefix, "%s%d", TOKEN_STR_PLAYER_PREFIX, pnr + 1);
10913     fprintf(file, "\n");
10914
10915     setup_input = setup.input[pnr];
10916     for (i = 0; i < ARRAY_SIZE(player_setup_tokens); i++)
10917       fprintf(file, "%s\n", getSetupLine(player_setup_tokens, prefix, i));
10918   }
10919
10920   fprintf(file, "\n");
10921   for (i = 0; i < ARRAY_SIZE(system_setup_tokens); i++)
10922     fprintf(file, "%s\n", getSetupLine(system_setup_tokens, "", i));
10923
10924   // (internal setup values not saved to user setup file)
10925
10926   fprintf(file, "\n");
10927   for (i = 0; i < ARRAY_SIZE(debug_setup_tokens); i++)
10928     if (!strPrefix(debug_setup_tokens[i].text, "debug.xsn_") ||
10929         setup.debug.xsn_mode != AUTO)
10930       fprintf(file, "%s\n", getSetupLine(debug_setup_tokens, "", i));
10931
10932   fprintf(file, "\n");
10933   for (i = 0; i < ARRAY_SIZE(options_setup_tokens); i++)
10934     fprintf(file, "%s\n", getSetupLine(options_setup_tokens, "", i));
10935
10936   fclose(file);
10937
10938   SetFilePermissions(filename, PERMS_PRIVATE);
10939 }
10940
10941 void SaveSetup_AutoSetup(void)
10942 {
10943   char *filename = getPath2(getSetupDir(), AUTOSETUP_FILENAME);
10944   FILE *file;
10945   int i;
10946
10947   InitUserDataDirectory();
10948
10949   if (!(file = fopen(filename, MODE_WRITE)))
10950   {
10951     Warn("cannot write auto setup file '%s'", filename);
10952
10953     free(filename);
10954
10955     return;
10956   }
10957
10958   fprintFileHeader(file, AUTOSETUP_FILENAME);
10959
10960   for (i = 0; i < ARRAY_SIZE(auto_setup_tokens); i++)
10961     fprintf(file, "%s\n", getSetupLine(auto_setup_tokens, "", i));
10962
10963   fclose(file);
10964
10965   SetFilePermissions(filename, PERMS_PRIVATE);
10966
10967   free(filename);
10968 }
10969
10970 void SaveSetup_EditorCascade(void)
10971 {
10972   char *filename = getPath2(getSetupDir(), EDITORCASCADE_FILENAME);
10973   FILE *file;
10974   int i;
10975
10976   InitUserDataDirectory();
10977
10978   if (!(file = fopen(filename, MODE_WRITE)))
10979   {
10980     Warn("cannot write editor cascade state file '%s'", filename);
10981
10982     free(filename);
10983
10984     return;
10985   }
10986
10987   fprintFileHeader(file, EDITORCASCADE_FILENAME);
10988
10989   for (i = 0; i < ARRAY_SIZE(editor_cascade_setup_tokens); i++)
10990     fprintf(file, "%s\n", getSetupLine(editor_cascade_setup_tokens, "", i));
10991
10992   fclose(file);
10993
10994   SetFilePermissions(filename, PERMS_PRIVATE);
10995
10996   free(filename);
10997 }
10998
10999 static void SaveSetup_WriteGameControllerMappings(SetupFileHash *mappings_hash,
11000                                                   char *filename)
11001 {
11002   FILE *file;
11003
11004   if (!(file = fopen(filename, MODE_WRITE)))
11005   {
11006     Warn("cannot write game controller mappings file '%s'", filename);
11007
11008     return;
11009   }
11010
11011   BEGIN_HASH_ITERATION(mappings_hash, itr)
11012   {
11013     fprintf(file, "%s\n", HASH_ITERATION_VALUE(itr));
11014   }
11015   END_HASH_ITERATION(mappings_hash, itr)
11016
11017   fclose(file);
11018 }
11019
11020 void SaveSetup_AddGameControllerMapping(char *mapping)
11021 {
11022   char *filename = getPath2(getSetupDir(), GAMECONTROLLER_BASENAME);
11023   SetupFileHash *mappings_hash = newSetupFileHash();
11024
11025   InitUserDataDirectory();
11026
11027   // load existing personal game controller mappings
11028   LoadSetup_ReadGameControllerMappings(mappings_hash, filename);
11029
11030   // add new mapping to personal game controller mappings
11031   addGameControllerMappingToHash(mappings_hash, mapping);
11032
11033   // save updated personal game controller mappings
11034   SaveSetup_WriteGameControllerMappings(mappings_hash, filename);
11035
11036   freeSetupFileHash(mappings_hash);
11037   free(filename);
11038 }
11039
11040 void LoadCustomElementDescriptions(void)
11041 {
11042   char *filename = getCustomArtworkConfigFilename(ARTWORK_TYPE_GRAPHICS);
11043   SetupFileHash *setup_file_hash;
11044   int i;
11045
11046   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
11047   {
11048     if (element_info[i].custom_description != NULL)
11049     {
11050       free(element_info[i].custom_description);
11051       element_info[i].custom_description = NULL;
11052     }
11053   }
11054
11055   if ((setup_file_hash = loadSetupFileHash(filename)) == NULL)
11056     return;
11057
11058   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
11059   {
11060     char *token = getStringCat2(element_info[i].token_name, ".name");
11061     char *value = getHashEntry(setup_file_hash, token);
11062
11063     if (value != NULL)
11064       element_info[i].custom_description = getStringCopy(value);
11065
11066     free(token);
11067   }
11068
11069   freeSetupFileHash(setup_file_hash);
11070 }
11071
11072 static int getElementFromToken(char *token)
11073 {
11074   char *value = getHashEntry(element_token_hash, token);
11075
11076   if (value != NULL)
11077     return atoi(value);
11078
11079   Warn("unknown element token '%s'", token);
11080
11081   return EL_UNDEFINED;
11082 }
11083
11084 void FreeGlobalAnimEventInfo(void)
11085 {
11086   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
11087
11088   if (gaei->event_list == NULL)
11089     return;
11090
11091   int i;
11092
11093   for (i = 0; i < gaei->num_event_lists; i++)
11094   {
11095     checked_free(gaei->event_list[i]->event_value);
11096     checked_free(gaei->event_list[i]);
11097   }
11098
11099   checked_free(gaei->event_list);
11100
11101   gaei->event_list = NULL;
11102   gaei->num_event_lists = 0;
11103 }
11104
11105 static int AddGlobalAnimEventList(void)
11106 {
11107   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
11108   int list_pos = gaei->num_event_lists++;
11109
11110   gaei->event_list = checked_realloc(gaei->event_list, gaei->num_event_lists *
11111                                      sizeof(struct GlobalAnimEventListInfo *));
11112
11113   gaei->event_list[list_pos] =
11114     checked_calloc(sizeof(struct GlobalAnimEventListInfo));
11115
11116   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
11117
11118   gaeli->event_value = NULL;
11119   gaeli->num_event_values = 0;
11120
11121   return list_pos;
11122 }
11123
11124 static int AddGlobalAnimEventValue(int list_pos, int event_value)
11125 {
11126   // do not add empty global animation events
11127   if (event_value == ANIM_EVENT_NONE)
11128     return list_pos;
11129
11130   // if list position is undefined, create new list
11131   if (list_pos == ANIM_EVENT_UNDEFINED)
11132     list_pos = AddGlobalAnimEventList();
11133
11134   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
11135   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
11136   int value_pos = gaeli->num_event_values++;
11137
11138   gaeli->event_value = checked_realloc(gaeli->event_value,
11139                                        gaeli->num_event_values * sizeof(int *));
11140
11141   gaeli->event_value[value_pos] = event_value;
11142
11143   return list_pos;
11144 }
11145
11146 int GetGlobalAnimEventValue(int list_pos, int value_pos)
11147 {
11148   if (list_pos == ANIM_EVENT_UNDEFINED)
11149     return ANIM_EVENT_NONE;
11150
11151   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
11152   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
11153
11154   return gaeli->event_value[value_pos];
11155 }
11156
11157 int GetGlobalAnimEventValueCount(int list_pos)
11158 {
11159   if (list_pos == ANIM_EVENT_UNDEFINED)
11160     return 0;
11161
11162   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
11163   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
11164
11165   return gaeli->num_event_values;
11166 }
11167
11168 // This function checks if a string <s> of the format "string1, string2, ..."
11169 // exactly contains a string <s_contained>.
11170
11171 static boolean string_has_parameter(char *s, char *s_contained)
11172 {
11173   char *substring;
11174
11175   if (s == NULL || s_contained == NULL)
11176     return FALSE;
11177
11178   if (strlen(s_contained) > strlen(s))
11179     return FALSE;
11180
11181   if (strncmp(s, s_contained, strlen(s_contained)) == 0)
11182   {
11183     char next_char = s[strlen(s_contained)];
11184
11185     // check if next character is delimiter or whitespace
11186     return (next_char == ',' || next_char == '\0' ||
11187             next_char == ' ' || next_char == '\t' ? TRUE : FALSE);
11188   }
11189
11190   // check if string contains another parameter string after a comma
11191   substring = strchr(s, ',');
11192   if (substring == NULL)        // string does not contain a comma
11193     return FALSE;
11194
11195   // advance string pointer to next character after the comma
11196   substring++;
11197
11198   // skip potential whitespaces after the comma
11199   while (*substring == ' ' || *substring == '\t')
11200     substring++;
11201
11202   return string_has_parameter(substring, s_contained);
11203 }
11204
11205 static int get_anim_parameter_value(char *s)
11206 {
11207   int event_value[] =
11208   {
11209     ANIM_EVENT_CLICK,
11210     ANIM_EVENT_INIT,
11211     ANIM_EVENT_START,
11212     ANIM_EVENT_END,
11213     ANIM_EVENT_POST
11214   };
11215   char *pattern_1[] =
11216   {
11217     "click:anim_",
11218     "init:anim_",
11219     "start:anim_",
11220     "end:anim_",
11221     "post:anim_"
11222   };
11223   char *pattern_2 = ".part_";
11224   char *matching_char = NULL;
11225   char *s_ptr = s;
11226   int pattern_1_len = 0;
11227   int result = ANIM_EVENT_NONE;
11228   int i;
11229
11230   for (i = 0; i < ARRAY_SIZE(event_value); i++)
11231   {
11232     matching_char = strstr(s_ptr, pattern_1[i]);
11233     pattern_1_len = strlen(pattern_1[i]);
11234     result = event_value[i];
11235
11236     if (matching_char != NULL)
11237       break;
11238   }
11239
11240   if (matching_char == NULL)
11241     return ANIM_EVENT_NONE;
11242
11243   s_ptr = matching_char + pattern_1_len;
11244
11245   // check for main animation number ("anim_X" or "anim_XX")
11246   if (*s_ptr >= '0' && *s_ptr <= '9')
11247   {
11248     int gic_anim_nr = (*s_ptr++ - '0');
11249
11250     if (*s_ptr >= '0' && *s_ptr <= '9')
11251       gic_anim_nr = 10 * gic_anim_nr + (*s_ptr++ - '0');
11252
11253     if (gic_anim_nr < 1 || gic_anim_nr > MAX_GLOBAL_ANIMS)
11254       return ANIM_EVENT_NONE;
11255
11256     result |= gic_anim_nr << ANIM_EVENT_ANIM_BIT;
11257   }
11258   else
11259   {
11260     // invalid main animation number specified
11261
11262     return ANIM_EVENT_NONE;
11263   }
11264
11265   // check for animation part number ("part_X" or "part_XX") (optional)
11266   if (strPrefix(s_ptr, pattern_2))
11267   {
11268     s_ptr += strlen(pattern_2);
11269
11270     if (*s_ptr >= '0' && *s_ptr <= '9')
11271     {
11272       int gic_part_nr = (*s_ptr++ - '0');
11273
11274       if (*s_ptr >= '0' && *s_ptr <= '9')
11275         gic_part_nr = 10 * gic_part_nr + (*s_ptr++ - '0');
11276
11277       if (gic_part_nr < 1 || gic_part_nr > MAX_GLOBAL_ANIM_PARTS)
11278         return ANIM_EVENT_NONE;
11279
11280       result |= gic_part_nr << ANIM_EVENT_PART_BIT;
11281     }
11282     else
11283     {
11284       // invalid animation part number specified
11285
11286       return ANIM_EVENT_NONE;
11287     }
11288   }
11289
11290   // discard result if next character is neither delimiter nor whitespace
11291   if (!(*s_ptr == ',' || *s_ptr == '\0' ||
11292         *s_ptr == ' ' || *s_ptr == '\t'))
11293     return ANIM_EVENT_NONE;
11294
11295   return result;
11296 }
11297
11298 static int get_anim_parameter_values(char *s)
11299 {
11300   int list_pos = ANIM_EVENT_UNDEFINED;
11301   int event_value = ANIM_EVENT_DEFAULT;
11302
11303   if (string_has_parameter(s, "any"))
11304     event_value |= ANIM_EVENT_ANY;
11305
11306   if (string_has_parameter(s, "click:self") ||
11307       string_has_parameter(s, "click") ||
11308       string_has_parameter(s, "self"))
11309     event_value |= ANIM_EVENT_SELF;
11310
11311   if (string_has_parameter(s, "unclick:any"))
11312     event_value |= ANIM_EVENT_UNCLICK_ANY;
11313
11314   // if animation event found, add it to global animation event list
11315   if (event_value != ANIM_EVENT_NONE)
11316     list_pos = AddGlobalAnimEventValue(list_pos, event_value);
11317
11318   while (s != NULL)
11319   {
11320     // add optional "click:anim_X" or "click:anim_X.part_X" parameter
11321     event_value = get_anim_parameter_value(s);
11322
11323     // if animation event found, add it to global animation event list
11324     if (event_value != ANIM_EVENT_NONE)
11325       list_pos = AddGlobalAnimEventValue(list_pos, event_value);
11326
11327     // continue with next part of the string, starting with next comma
11328     s = strchr(s + 1, ',');
11329   }
11330
11331   return list_pos;
11332 }
11333
11334 static int get_anim_action_parameter_value(char *token)
11335 {
11336   // check most common default case first to massively speed things up
11337   if (strEqual(token, ARG_UNDEFINED))
11338     return ANIM_EVENT_ACTION_NONE;
11339
11340   int result = getImageIDFromToken(token);
11341
11342   if (result == -1)
11343   {
11344     char *gfx_token = getStringCat2("gfx.", token);
11345
11346     result = getImageIDFromToken(gfx_token);
11347
11348     checked_free(gfx_token);
11349   }
11350
11351   if (result == -1)
11352   {
11353     Key key = getKeyFromX11KeyName(token);
11354
11355     if (key != KSYM_UNDEFINED)
11356       result = -(int)key;
11357   }
11358
11359   if (result == -1)
11360     result = ANIM_EVENT_ACTION_NONE;
11361
11362   return result;
11363 }
11364
11365 int get_parameter_value(char *value_raw, char *suffix, int type)
11366 {
11367   char *value = getStringToLower(value_raw);
11368   int result = 0;       // probably a save default value
11369
11370   if (strEqual(suffix, ".direction"))
11371   {
11372     result = (strEqual(value, "left")  ? MV_LEFT :
11373               strEqual(value, "right") ? MV_RIGHT :
11374               strEqual(value, "up")    ? MV_UP :
11375               strEqual(value, "down")  ? MV_DOWN : MV_NONE);
11376   }
11377   else if (strEqual(suffix, ".position"))
11378   {
11379     result = (strEqual(value, "left")   ? POS_LEFT :
11380               strEqual(value, "right")  ? POS_RIGHT :
11381               strEqual(value, "top")    ? POS_TOP :
11382               strEqual(value, "upper")  ? POS_UPPER :
11383               strEqual(value, "middle") ? POS_MIDDLE :
11384               strEqual(value, "lower")  ? POS_LOWER :
11385               strEqual(value, "bottom") ? POS_BOTTOM :
11386               strEqual(value, "any")    ? POS_ANY :
11387               strEqual(value, "last")   ? POS_LAST : POS_UNDEFINED);
11388   }
11389   else if (strEqual(suffix, ".align"))
11390   {
11391     result = (strEqual(value, "left")   ? ALIGN_LEFT :
11392               strEqual(value, "right")  ? ALIGN_RIGHT :
11393               strEqual(value, "center") ? ALIGN_CENTER :
11394               strEqual(value, "middle") ? ALIGN_CENTER : ALIGN_DEFAULT);
11395   }
11396   else if (strEqual(suffix, ".valign"))
11397   {
11398     result = (strEqual(value, "top")    ? VALIGN_TOP :
11399               strEqual(value, "bottom") ? VALIGN_BOTTOM :
11400               strEqual(value, "middle") ? VALIGN_MIDDLE :
11401               strEqual(value, "center") ? VALIGN_MIDDLE : VALIGN_DEFAULT);
11402   }
11403   else if (strEqual(suffix, ".anim_mode"))
11404   {
11405     result = (string_has_parameter(value, "none")       ? ANIM_NONE :
11406               string_has_parameter(value, "loop")       ? ANIM_LOOP :
11407               string_has_parameter(value, "linear")     ? ANIM_LINEAR :
11408               string_has_parameter(value, "pingpong")   ? ANIM_PINGPONG :
11409               string_has_parameter(value, "pingpong2")  ? ANIM_PINGPONG2 :
11410               string_has_parameter(value, "random")     ? ANIM_RANDOM :
11411               string_has_parameter(value, "ce_value")   ? ANIM_CE_VALUE :
11412               string_has_parameter(value, "ce_score")   ? ANIM_CE_SCORE :
11413               string_has_parameter(value, "ce_delay")   ? ANIM_CE_DELAY :
11414               string_has_parameter(value, "horizontal") ? ANIM_HORIZONTAL :
11415               string_has_parameter(value, "vertical")   ? ANIM_VERTICAL :
11416               string_has_parameter(value, "centered")   ? ANIM_CENTERED :
11417               string_has_parameter(value, "all")        ? ANIM_ALL :
11418               ANIM_DEFAULT);
11419
11420     if (string_has_parameter(value, "once"))
11421       result |= ANIM_ONCE;
11422
11423     if (string_has_parameter(value, "reverse"))
11424       result |= ANIM_REVERSE;
11425
11426     if (string_has_parameter(value, "opaque_player"))
11427       result |= ANIM_OPAQUE_PLAYER;
11428
11429     if (string_has_parameter(value, "static_panel"))
11430       result |= ANIM_STATIC_PANEL;
11431   }
11432   else if (strEqual(suffix, ".init_event") ||
11433            strEqual(suffix, ".anim_event"))
11434   {
11435     result = get_anim_parameter_values(value);
11436   }
11437   else if (strEqual(suffix, ".init_delay_action") ||
11438            strEqual(suffix, ".anim_delay_action") ||
11439            strEqual(suffix, ".post_delay_action") ||
11440            strEqual(suffix, ".init_event_action") ||
11441            strEqual(suffix, ".anim_event_action"))
11442   {
11443     result = get_anim_action_parameter_value(value_raw);
11444   }
11445   else if (strEqual(suffix, ".class"))
11446   {
11447     result = (strEqual(value, ARG_UNDEFINED) ? ARG_UNDEFINED_VALUE :
11448               get_hash_from_key(value));
11449   }
11450   else if (strEqual(suffix, ".style"))
11451   {
11452     result = STYLE_DEFAULT;
11453
11454     if (string_has_parameter(value, "accurate_borders"))
11455       result |= STYLE_ACCURATE_BORDERS;
11456
11457     if (string_has_parameter(value, "inner_corners"))
11458       result |= STYLE_INNER_CORNERS;
11459
11460     if (string_has_parameter(value, "reverse"))
11461       result |= STYLE_REVERSE;
11462
11463     if (string_has_parameter(value, "leftmost_position"))
11464       result |= STYLE_LEFTMOST_POSITION;
11465
11466     if (string_has_parameter(value, "block_clicks"))
11467       result |= STYLE_BLOCK;
11468
11469     if (string_has_parameter(value, "passthrough_clicks"))
11470       result |= STYLE_PASSTHROUGH;
11471
11472     if (string_has_parameter(value, "multiple_actions"))
11473       result |= STYLE_MULTIPLE_ACTIONS;
11474   }
11475   else if (strEqual(suffix, ".fade_mode"))
11476   {
11477     result = (string_has_parameter(value, "none")       ? FADE_MODE_NONE :
11478               string_has_parameter(value, "fade")       ? FADE_MODE_FADE :
11479               string_has_parameter(value, "crossfade")  ? FADE_MODE_CROSSFADE :
11480               string_has_parameter(value, "melt")       ? FADE_MODE_MELT :
11481               string_has_parameter(value, "curtain")    ? FADE_MODE_CURTAIN :
11482               FADE_MODE_DEFAULT);
11483   }
11484   else if (strEqual(suffix, ".auto_delay_unit"))
11485   {
11486     result = (string_has_parameter(value, "ms")     ? AUTO_DELAY_UNIT_MS :
11487               string_has_parameter(value, "frames") ? AUTO_DELAY_UNIT_FRAMES :
11488               AUTO_DELAY_UNIT_DEFAULT);
11489   }
11490   else if (strPrefix(suffix, ".font"))          // (may also be ".font_xyz")
11491   {
11492     result = gfx.get_font_from_token_function(value);
11493   }
11494   else          // generic parameter of type integer or boolean
11495   {
11496     result = (strEqual(value, ARG_UNDEFINED) ? ARG_UNDEFINED_VALUE :
11497               type == TYPE_INTEGER ? get_integer_from_string(value) :
11498               type == TYPE_BOOLEAN ? get_boolean_from_string(value) :
11499               ARG_UNDEFINED_VALUE);
11500   }
11501
11502   free(value);
11503
11504   return result;
11505 }
11506
11507 static int get_token_parameter_value(char *token, char *value_raw)
11508 {
11509   char *suffix;
11510
11511   if (token == NULL || value_raw == NULL)
11512     return ARG_UNDEFINED_VALUE;
11513
11514   suffix = strrchr(token, '.');
11515   if (suffix == NULL)
11516     suffix = token;
11517
11518   if (strEqual(suffix, ".element"))
11519     return getElementFromToken(value_raw);
11520
11521   // !!! USE CORRECT VALUE TYPE (currently works also for TYPE_BOOLEAN) !!!
11522   return get_parameter_value(value_raw, suffix, TYPE_INTEGER);
11523 }
11524
11525 void InitMenuDesignSettings_Static(void)
11526 {
11527   int i;
11528
11529   // always start with reliable default values from static default config
11530   for (i = 0; image_config_vars[i].token != NULL; i++)
11531   {
11532     char *value = getHashEntry(image_config_hash, image_config_vars[i].token);
11533
11534     if (value != NULL)
11535       *image_config_vars[i].value =
11536         get_token_parameter_value(image_config_vars[i].token, value);
11537   }
11538 }
11539
11540 static void InitMenuDesignSettings_SpecialPreProcessing(void)
11541 {
11542   int i;
11543
11544   // the following initializes hierarchical values from static configuration
11545
11546   // special case: initialize "ARG_DEFAULT" values in static default config
11547   // (e.g., initialize "[titlemessage].fade_mode" from "[title].fade_mode")
11548   titlescreen_initial_first_default.fade_mode  =
11549     title_initial_first_default.fade_mode;
11550   titlescreen_initial_first_default.fade_delay =
11551     title_initial_first_default.fade_delay;
11552   titlescreen_initial_first_default.post_delay =
11553     title_initial_first_default.post_delay;
11554   titlescreen_initial_first_default.auto_delay =
11555     title_initial_first_default.auto_delay;
11556   titlescreen_initial_first_default.auto_delay_unit =
11557     title_initial_first_default.auto_delay_unit;
11558   titlescreen_first_default.fade_mode  = title_first_default.fade_mode;
11559   titlescreen_first_default.fade_delay = title_first_default.fade_delay;
11560   titlescreen_first_default.post_delay = title_first_default.post_delay;
11561   titlescreen_first_default.auto_delay = title_first_default.auto_delay;
11562   titlescreen_first_default.auto_delay_unit =
11563     title_first_default.auto_delay_unit;
11564   titlemessage_initial_first_default.fade_mode  =
11565     title_initial_first_default.fade_mode;
11566   titlemessage_initial_first_default.fade_delay =
11567     title_initial_first_default.fade_delay;
11568   titlemessage_initial_first_default.post_delay =
11569     title_initial_first_default.post_delay;
11570   titlemessage_initial_first_default.auto_delay =
11571     title_initial_first_default.auto_delay;
11572   titlemessage_initial_first_default.auto_delay_unit =
11573     title_initial_first_default.auto_delay_unit;
11574   titlemessage_first_default.fade_mode  = title_first_default.fade_mode;
11575   titlemessage_first_default.fade_delay = title_first_default.fade_delay;
11576   titlemessage_first_default.post_delay = title_first_default.post_delay;
11577   titlemessage_first_default.auto_delay = title_first_default.auto_delay;
11578   titlemessage_first_default.auto_delay_unit =
11579     title_first_default.auto_delay_unit;
11580
11581   titlescreen_initial_default.fade_mode  = title_initial_default.fade_mode;
11582   titlescreen_initial_default.fade_delay = title_initial_default.fade_delay;
11583   titlescreen_initial_default.post_delay = title_initial_default.post_delay;
11584   titlescreen_initial_default.auto_delay = title_initial_default.auto_delay;
11585   titlescreen_initial_default.auto_delay_unit =
11586     title_initial_default.auto_delay_unit;
11587   titlescreen_default.fade_mode  = title_default.fade_mode;
11588   titlescreen_default.fade_delay = title_default.fade_delay;
11589   titlescreen_default.post_delay = title_default.post_delay;
11590   titlescreen_default.auto_delay = title_default.auto_delay;
11591   titlescreen_default.auto_delay_unit = title_default.auto_delay_unit;
11592   titlemessage_initial_default.fade_mode  = title_initial_default.fade_mode;
11593   titlemessage_initial_default.fade_delay = title_initial_default.fade_delay;
11594   titlemessage_initial_default.post_delay = title_initial_default.post_delay;
11595   titlemessage_initial_default.auto_delay_unit =
11596     title_initial_default.auto_delay_unit;
11597   titlemessage_default.fade_mode  = title_default.fade_mode;
11598   titlemessage_default.fade_delay = title_default.fade_delay;
11599   titlemessage_default.post_delay = title_default.post_delay;
11600   titlemessage_default.auto_delay = title_default.auto_delay;
11601   titlemessage_default.auto_delay_unit = title_default.auto_delay_unit;
11602
11603   // special case: initialize "ARG_DEFAULT" values in static default config
11604   // (e.g., init "titlemessage_1.fade_mode" from "[titlemessage].fade_mode")
11605   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
11606   {
11607     titlescreen_initial_first[i] = titlescreen_initial_first_default;
11608     titlescreen_first[i] = titlescreen_first_default;
11609     titlemessage_initial_first[i] = titlemessage_initial_first_default;
11610     titlemessage_first[i] = titlemessage_first_default;
11611
11612     titlescreen_initial[i] = titlescreen_initial_default;
11613     titlescreen[i] = titlescreen_default;
11614     titlemessage_initial[i] = titlemessage_initial_default;
11615     titlemessage[i] = titlemessage_default;
11616   }
11617
11618   // special case: initialize "ARG_DEFAULT" values in static default config
11619   // (eg, init "menu.enter_screen.SCORES.xyz" from "menu.enter_screen.xyz")
11620   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11621   {
11622     if (i == GFX_SPECIAL_ARG_TITLE)     // title values already initialized
11623       continue;
11624
11625     menu.enter_screen[i] = menu.enter_screen[GFX_SPECIAL_ARG_DEFAULT];
11626     menu.leave_screen[i] = menu.leave_screen[GFX_SPECIAL_ARG_DEFAULT];
11627     menu.next_screen[i]  = menu.next_screen[GFX_SPECIAL_ARG_DEFAULT];
11628   }
11629
11630   // special case: initialize "ARG_DEFAULT" values in static default config
11631   // (eg, init "viewport.door_1.MAIN.xyz" from "viewport.door_1.xyz")
11632   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11633   {
11634     viewport.window[i]    = viewport.window[GFX_SPECIAL_ARG_DEFAULT];
11635     viewport.playfield[i] = viewport.playfield[GFX_SPECIAL_ARG_DEFAULT];
11636     viewport.door_1[i]    = viewport.door_1[GFX_SPECIAL_ARG_DEFAULT];
11637
11638     if (i == GFX_SPECIAL_ARG_EDITOR)    // editor values already initialized
11639       continue;
11640
11641     viewport.door_2[i] = viewport.door_2[GFX_SPECIAL_ARG_DEFAULT];
11642   }
11643 }
11644
11645 static void InitMenuDesignSettings_SpecialPostProcessing(void)
11646 {
11647   static struct
11648   {
11649     struct XY *dst, *src;
11650   }
11651   game_buttons_xy[] =
11652   {
11653     { &game.button.save,        &game.button.stop       },
11654     { &game.button.pause2,      &game.button.pause      },
11655     { &game.button.load,        &game.button.play       },
11656     { &game.button.undo,        &game.button.stop       },
11657     { &game.button.redo,        &game.button.play       },
11658
11659     { NULL,                     NULL                    }
11660   };
11661   int i, j;
11662
11663   // special case: initialize later added SETUP list size from LEVELS value
11664   if (menu.list_size[GAME_MODE_SETUP] == -1)
11665     menu.list_size[GAME_MODE_SETUP] = menu.list_size[GAME_MODE_LEVELS];
11666
11667   // set default position for snapshot buttons to stop/pause/play buttons
11668   for (i = 0; game_buttons_xy[i].dst != NULL; i++)
11669     if ((*game_buttons_xy[i].dst).x == -1 &&
11670         (*game_buttons_xy[i].dst).y == -1)
11671       *game_buttons_xy[i].dst = *game_buttons_xy[i].src;
11672
11673   // --------------------------------------------------------------------------
11674   // dynamic viewports (including playfield margins, borders and alignments)
11675   // --------------------------------------------------------------------------
11676
11677   // dynamic viewports currently only supported for landscape mode
11678   int display_width  = MAX(video.display_width, video.display_height);
11679   int display_height = MIN(video.display_width, video.display_height);
11680
11681   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11682   {
11683     struct RectWithBorder *vp_window    = &viewport.window[i];
11684     struct RectWithBorder *vp_playfield = &viewport.playfield[i];
11685     struct RectWithBorder *vp_door_1    = &viewport.door_1[i];
11686     struct RectWithBorder *vp_door_2    = &viewport.door_2[i];
11687     boolean dynamic_window_width     = (vp_window->min_width     != -1);
11688     boolean dynamic_window_height    = (vp_window->min_height    != -1);
11689     boolean dynamic_playfield_width  = (vp_playfield->min_width  != -1);
11690     boolean dynamic_playfield_height = (vp_playfield->min_height != -1);
11691
11692     // adjust window size if min/max width/height is specified
11693
11694     if (vp_window->min_width != -1)
11695     {
11696       int window_width = display_width;
11697
11698       // when using static window height, use aspect ratio of display
11699       if (vp_window->min_height == -1)
11700         window_width = vp_window->height * display_width / display_height;
11701
11702       vp_window->width = MAX(vp_window->min_width, window_width);
11703     }
11704
11705     if (vp_window->min_height != -1)
11706     {
11707       int window_height = display_height;
11708
11709       // when using static window width, use aspect ratio of display
11710       if (vp_window->min_width == -1)
11711         window_height = vp_window->width * display_height / display_width;
11712
11713       vp_window->height = MAX(vp_window->min_height, window_height);
11714     }
11715
11716     if (vp_window->max_width != -1)
11717       vp_window->width = MIN(vp_window->width, vp_window->max_width);
11718
11719     if (vp_window->max_height != -1)
11720       vp_window->height = MIN(vp_window->height, vp_window->max_height);
11721
11722     int playfield_width  = vp_window->width;
11723     int playfield_height = vp_window->height;
11724
11725     // adjust playfield size and position according to specified margins
11726
11727     playfield_width  -= vp_playfield->margin_left;
11728     playfield_width  -= vp_playfield->margin_right;
11729
11730     playfield_height -= vp_playfield->margin_top;
11731     playfield_height -= vp_playfield->margin_bottom;
11732
11733     // adjust playfield size if min/max width/height is specified
11734
11735     if (vp_playfield->min_width != -1)
11736       vp_playfield->width = MAX(vp_playfield->min_width, playfield_width);
11737
11738     if (vp_playfield->min_height != -1)
11739       vp_playfield->height = MAX(vp_playfield->min_height, playfield_height);
11740
11741     if (vp_playfield->max_width != -1)
11742       vp_playfield->width = MIN(vp_playfield->width, vp_playfield->max_width);
11743
11744     if (vp_playfield->max_height != -1)
11745       vp_playfield->height = MIN(vp_playfield->height,vp_playfield->max_height);
11746
11747     // adjust playfield position according to specified alignment
11748
11749     if (vp_playfield->align == ALIGN_LEFT || vp_playfield->x > 0)
11750       vp_playfield->x = ALIGNED_VP_XPOS(vp_playfield);
11751     else if (vp_playfield->align == ALIGN_CENTER)
11752       vp_playfield->x = playfield_width / 2 - vp_playfield->width / 2;
11753     else if (vp_playfield->align == ALIGN_RIGHT)
11754       vp_playfield->x += playfield_width - vp_playfield->width;
11755
11756     if (vp_playfield->valign == VALIGN_TOP || vp_playfield->y > 0)
11757       vp_playfield->y = ALIGNED_VP_YPOS(vp_playfield);
11758     else if (vp_playfield->valign == VALIGN_MIDDLE)
11759       vp_playfield->y = playfield_height / 2 - vp_playfield->height / 2;
11760     else if (vp_playfield->valign == VALIGN_BOTTOM)
11761       vp_playfield->y += playfield_height - vp_playfield->height;
11762
11763     vp_playfield->x += vp_playfield->margin_left;
11764     vp_playfield->y += vp_playfield->margin_top;
11765
11766     // adjust individual playfield borders if only default border is specified
11767
11768     if (vp_playfield->border_left == -1)
11769       vp_playfield->border_left = vp_playfield->border_size;
11770     if (vp_playfield->border_right == -1)
11771       vp_playfield->border_right = vp_playfield->border_size;
11772     if (vp_playfield->border_top == -1)
11773       vp_playfield->border_top = vp_playfield->border_size;
11774     if (vp_playfield->border_bottom == -1)
11775       vp_playfield->border_bottom = vp_playfield->border_size;
11776
11777     // set dynamic playfield borders if borders are specified as undefined
11778     // (but only if window size was dynamic and playfield size was static)
11779
11780     if (dynamic_window_width && !dynamic_playfield_width)
11781     {
11782       if (vp_playfield->border_left == -1)
11783       {
11784         vp_playfield->border_left = (vp_playfield->x -
11785                                      vp_playfield->margin_left);
11786         vp_playfield->x     -= vp_playfield->border_left;
11787         vp_playfield->width += vp_playfield->border_left;
11788       }
11789
11790       if (vp_playfield->border_right == -1)
11791       {
11792         vp_playfield->border_right = (vp_window->width -
11793                                       vp_playfield->x -
11794                                       vp_playfield->width -
11795                                       vp_playfield->margin_right);
11796         vp_playfield->width += vp_playfield->border_right;
11797       }
11798     }
11799
11800     if (dynamic_window_height && !dynamic_playfield_height)
11801     {
11802       if (vp_playfield->border_top == -1)
11803       {
11804         vp_playfield->border_top = (vp_playfield->y -
11805                                     vp_playfield->margin_top);
11806         vp_playfield->y      -= vp_playfield->border_top;
11807         vp_playfield->height += vp_playfield->border_top;
11808       }
11809
11810       if (vp_playfield->border_bottom == -1)
11811       {
11812         vp_playfield->border_bottom = (vp_window->height -
11813                                        vp_playfield->y -
11814                                        vp_playfield->height -
11815                                        vp_playfield->margin_bottom);
11816         vp_playfield->height += vp_playfield->border_bottom;
11817       }
11818     }
11819
11820     // adjust playfield size to be a multiple of a defined alignment tile size
11821
11822     int align_size = vp_playfield->align_size;
11823     int playfield_xtiles = vp_playfield->width  / align_size;
11824     int playfield_ytiles = vp_playfield->height / align_size;
11825     int playfield_width_corrected  = playfield_xtiles * align_size;
11826     int playfield_height_corrected = playfield_ytiles * align_size;
11827     boolean is_playfield_mode = (i == GFX_SPECIAL_ARG_PLAYING ||
11828                                  i == GFX_SPECIAL_ARG_EDITOR);
11829
11830     if (is_playfield_mode &&
11831         dynamic_playfield_width &&
11832         vp_playfield->width != playfield_width_corrected)
11833     {
11834       int playfield_xdiff = vp_playfield->width - playfield_width_corrected;
11835
11836       vp_playfield->width = playfield_width_corrected;
11837
11838       if (vp_playfield->align == ALIGN_LEFT)
11839       {
11840         vp_playfield->border_left += playfield_xdiff;
11841       }
11842       else if (vp_playfield->align == ALIGN_RIGHT)
11843       {
11844         vp_playfield->border_right += playfield_xdiff;
11845       }
11846       else if (vp_playfield->align == ALIGN_CENTER)
11847       {
11848         int border_left_diff  = playfield_xdiff / 2;
11849         int border_right_diff = playfield_xdiff - border_left_diff;
11850
11851         vp_playfield->border_left  += border_left_diff;
11852         vp_playfield->border_right += border_right_diff;
11853       }
11854     }
11855
11856     if (is_playfield_mode &&
11857         dynamic_playfield_height &&
11858         vp_playfield->height != playfield_height_corrected)
11859     {
11860       int playfield_ydiff = vp_playfield->height - playfield_height_corrected;
11861
11862       vp_playfield->height = playfield_height_corrected;
11863
11864       if (vp_playfield->valign == VALIGN_TOP)
11865       {
11866         vp_playfield->border_top += playfield_ydiff;
11867       }
11868       else if (vp_playfield->align == VALIGN_BOTTOM)
11869       {
11870         vp_playfield->border_right += playfield_ydiff;
11871       }
11872       else if (vp_playfield->align == VALIGN_MIDDLE)
11873       {
11874         int border_top_diff    = playfield_ydiff / 2;
11875         int border_bottom_diff = playfield_ydiff - border_top_diff;
11876
11877         vp_playfield->border_top    += border_top_diff;
11878         vp_playfield->border_bottom += border_bottom_diff;
11879       }
11880     }
11881
11882     // adjust door positions according to specified alignment
11883
11884     for (j = 0; j < 2; j++)
11885     {
11886       struct RectWithBorder *vp_door = (j == 0 ? vp_door_1 : vp_door_2);
11887
11888       if (vp_door->align == ALIGN_LEFT || vp_door->x > 0)
11889         vp_door->x = ALIGNED_VP_XPOS(vp_door);
11890       else if (vp_door->align == ALIGN_CENTER)
11891         vp_door->x = vp_window->width / 2 - vp_door->width / 2;
11892       else if (vp_door->align == ALIGN_RIGHT)
11893         vp_door->x += vp_window->width - vp_door->width;
11894
11895       if (vp_door->valign == VALIGN_TOP || vp_door->y > 0)
11896         vp_door->y = ALIGNED_VP_YPOS(vp_door);
11897       else if (vp_door->valign == VALIGN_MIDDLE)
11898         vp_door->y = vp_window->height / 2 - vp_door->height / 2;
11899       else if (vp_door->valign == VALIGN_BOTTOM)
11900         vp_door->y += vp_window->height - vp_door->height;
11901     }
11902   }
11903 }
11904
11905 static void InitMenuDesignSettings_SpecialPostProcessing_AfterGraphics(void)
11906 {
11907   static struct
11908   {
11909     struct XYTileSize *dst, *src;
11910     int graphic;
11911   }
11912   editor_buttons_xy[] =
11913   {
11914     {
11915       &editor.button.element_left,      &editor.palette.element_left,
11916       IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT
11917     },
11918     {
11919       &editor.button.element_middle,    &editor.palette.element_middle,
11920       IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE
11921     },
11922     {
11923       &editor.button.element_right,     &editor.palette.element_right,
11924       IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT
11925     },
11926
11927     { NULL,                     NULL                    }
11928   };
11929   int i;
11930
11931   // set default position for element buttons to element graphics
11932   for (i = 0; editor_buttons_xy[i].dst != NULL; i++)
11933   {
11934     if ((*editor_buttons_xy[i].dst).x == -1 &&
11935         (*editor_buttons_xy[i].dst).y == -1)
11936     {
11937       struct GraphicInfo *gd = &graphic_info[editor_buttons_xy[i].graphic];
11938
11939       gd->width = gd->height = editor_buttons_xy[i].src->tile_size;
11940
11941       *editor_buttons_xy[i].dst = *editor_buttons_xy[i].src;
11942     }
11943   }
11944
11945   // adjust editor palette rows and columns if specified to be dynamic
11946
11947   if (editor.palette.cols == -1)
11948   {
11949     int vp_width = viewport.playfield[GFX_SPECIAL_ARG_EDITOR].width;
11950     int bt_width = graphic_info[IMG_EDITOR_PALETTE_BUTTON].width;
11951     int sc_width = graphic_info[IMG_EDITOR_PALETTE_SCROLLBAR].width;
11952
11953     editor.palette.cols = (vp_width - sc_width) / bt_width;
11954
11955     if (editor.palette.x == -1)
11956     {
11957       int palette_width = editor.palette.cols * bt_width + sc_width;
11958
11959       editor.palette.x = (vp_width - palette_width) / 2;
11960     }
11961   }
11962
11963   if (editor.palette.rows == -1)
11964   {
11965     int vp_height = viewport.playfield[GFX_SPECIAL_ARG_EDITOR].height;
11966     int bt_height = graphic_info[IMG_EDITOR_PALETTE_BUTTON].height;
11967     int tx_height = getFontHeight(FONT_TEXT_2);
11968
11969     editor.palette.rows = (vp_height - tx_height) / bt_height;
11970
11971     if (editor.palette.y == -1)
11972     {
11973       int palette_height = editor.palette.rows * bt_height + tx_height;
11974
11975       editor.palette.y = (vp_height - palette_height) / 2;
11976     }
11977   }
11978 }
11979
11980 static void LoadMenuDesignSettingsFromFilename(char *filename)
11981 {
11982   static struct TitleFadingInfo tfi;
11983   static struct TitleMessageInfo tmi;
11984   static struct TokenInfo title_tokens[] =
11985   {
11986     { TYPE_INTEGER,     &tfi.fade_mode,         ".fade_mode"            },
11987     { TYPE_INTEGER,     &tfi.fade_delay,        ".fade_delay"           },
11988     { TYPE_INTEGER,     &tfi.post_delay,        ".post_delay"           },
11989     { TYPE_INTEGER,     &tfi.auto_delay,        ".auto_delay"           },
11990     { TYPE_INTEGER,     &tfi.auto_delay_unit,   ".auto_delay_unit"      },
11991
11992     { -1,               NULL,                   NULL                    }
11993   };
11994   static struct TokenInfo titlemessage_tokens[] =
11995   {
11996     { TYPE_INTEGER,     &tmi.x,                 ".x"                    },
11997     { TYPE_INTEGER,     &tmi.y,                 ".y"                    },
11998     { TYPE_INTEGER,     &tmi.width,             ".width"                },
11999     { TYPE_INTEGER,     &tmi.height,            ".height"               },
12000     { TYPE_INTEGER,     &tmi.chars,             ".chars"                },
12001     { TYPE_INTEGER,     &tmi.lines,             ".lines"                },
12002     { TYPE_INTEGER,     &tmi.align,             ".align"                },
12003     { TYPE_INTEGER,     &tmi.valign,            ".valign"               },
12004     { TYPE_INTEGER,     &tmi.font,              ".font"                 },
12005     { TYPE_BOOLEAN,     &tmi.autowrap,          ".autowrap"             },
12006     { TYPE_BOOLEAN,     &tmi.centered,          ".centered"             },
12007     { TYPE_BOOLEAN,     &tmi.parse_comments,    ".parse_comments"       },
12008     { TYPE_INTEGER,     &tmi.sort_priority,     ".sort_priority"        },
12009     { TYPE_INTEGER,     &tmi.fade_mode,         ".fade_mode"            },
12010     { TYPE_INTEGER,     &tmi.fade_delay,        ".fade_delay"           },
12011     { TYPE_INTEGER,     &tmi.post_delay,        ".post_delay"           },
12012     { TYPE_INTEGER,     &tmi.auto_delay,        ".auto_delay"           },
12013     { TYPE_INTEGER,     &tmi.auto_delay_unit,   ".auto_delay_unit"      },
12014
12015     { -1,               NULL,                   NULL                    }
12016   };
12017   static struct
12018   {
12019     struct TitleFadingInfo *info;
12020     char *text;
12021   }
12022   title_info[] =
12023   {
12024     // initialize first titles from "enter screen" definitions, if defined
12025     { &title_initial_first_default,     "menu.enter_screen.TITLE"       },
12026     { &title_first_default,             "menu.enter_screen.TITLE"       },
12027
12028     // initialize title screens from "next screen" definitions, if defined
12029     { &title_initial_default,           "menu.next_screen.TITLE"        },
12030     { &title_default,                   "menu.next_screen.TITLE"        },
12031
12032     { NULL,                             NULL                            }
12033   };
12034   static struct
12035   {
12036     struct TitleMessageInfo *array;
12037     char *text;
12038   }
12039   titlemessage_arrays[] =
12040   {
12041     // initialize first titles from "enter screen" definitions, if defined
12042     { titlescreen_initial_first,        "menu.enter_screen.TITLE"       },
12043     { titlescreen_first,                "menu.enter_screen.TITLE"       },
12044     { titlemessage_initial_first,       "menu.enter_screen.TITLE"       },
12045     { titlemessage_first,               "menu.enter_screen.TITLE"       },
12046
12047     // initialize titles from "next screen" definitions, if defined
12048     { titlescreen_initial,              "menu.next_screen.TITLE"        },
12049     { titlescreen,                      "menu.next_screen.TITLE"        },
12050     { titlemessage_initial,             "menu.next_screen.TITLE"        },
12051     { titlemessage,                     "menu.next_screen.TITLE"        },
12052
12053     // overwrite titles with title definitions, if defined
12054     { titlescreen_initial_first,        "[title_initial]"               },
12055     { titlescreen_first,                "[title]"                       },
12056     { titlemessage_initial_first,       "[title_initial]"               },
12057     { titlemessage_first,               "[title]"                       },
12058
12059     { titlescreen_initial,              "[title_initial]"               },
12060     { titlescreen,                      "[title]"                       },
12061     { titlemessage_initial,             "[title_initial]"               },
12062     { titlemessage,                     "[title]"                       },
12063
12064     // overwrite titles with title screen/message definitions, if defined
12065     { titlescreen_initial_first,        "[titlescreen_initial]"         },
12066     { titlescreen_first,                "[titlescreen]"                 },
12067     { titlemessage_initial_first,       "[titlemessage_initial]"        },
12068     { titlemessage_first,               "[titlemessage]"                },
12069
12070     { titlescreen_initial,              "[titlescreen_initial]"         },
12071     { titlescreen,                      "[titlescreen]"                 },
12072     { titlemessage_initial,             "[titlemessage_initial]"        },
12073     { titlemessage,                     "[titlemessage]"                },
12074
12075     { NULL,                             NULL                            }
12076   };
12077   SetupFileHash *setup_file_hash;
12078   int i, j, k;
12079
12080   if ((setup_file_hash = loadSetupFileHash(filename)) == NULL)
12081     return;
12082
12083   // the following initializes hierarchical values from dynamic configuration
12084
12085   // special case: initialize with default values that may be overwritten
12086   // (e.g., init "menu.draw_xoffset.INFO" from "menu.draw_xoffset")
12087   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
12088   {
12089     struct TokenIntPtrInfo menu_config[] =
12090     {
12091       { "menu.draw_xoffset",    &menu.draw_xoffset[i]   },
12092       { "menu.draw_yoffset",    &menu.draw_yoffset[i]   },
12093       { "menu.list_size",       &menu.list_size[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.INFO[XXX]" from "menu.draw_xoffset.INFO")
12108   for (i = 0; i < NUM_SPECIAL_GFX_INFO_ARGS; i++)
12109   {
12110     struct TokenIntPtrInfo menu_config[] =
12111     {
12112       { "menu.draw_xoffset.INFO",       &menu.draw_xoffset_info[i]      },
12113       { "menu.draw_yoffset.INFO",       &menu.draw_yoffset_info[i]      },
12114       { "menu.list_size.INFO",          &menu.list_size_info[i]         }
12115     };
12116
12117     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
12118     {
12119       char *token = menu_config[j].token;
12120       char *value = getHashEntry(setup_file_hash, token);
12121
12122       if (value != NULL)
12123         *menu_config[j].value = get_integer_from_string(value);
12124     }
12125   }
12126
12127   // special case: initialize with default values that may be overwritten
12128   // (eg, init "menu.draw_xoffset.SETUP[XXX]" from "menu.draw_xoffset.SETUP")
12129   for (i = 0; i < NUM_SPECIAL_GFX_SETUP_ARGS; i++)
12130   {
12131     struct TokenIntPtrInfo menu_config[] =
12132     {
12133       { "menu.draw_xoffset.SETUP",      &menu.draw_xoffset_setup[i]     },
12134       { "menu.draw_yoffset.SETUP",      &menu.draw_yoffset_setup[i]     }
12135     };
12136
12137     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
12138     {
12139       char *token = menu_config[j].token;
12140       char *value = getHashEntry(setup_file_hash, token);
12141
12142       if (value != NULL)
12143         *menu_config[j].value = get_integer_from_string(value);
12144     }
12145   }
12146
12147   // special case: initialize with default values that may be overwritten
12148   // (eg, init "menu.line_spacing.INFO[XXX]" from "menu.line_spacing.INFO")
12149   for (i = 0; i < NUM_SPECIAL_GFX_INFO_ARGS; i++)
12150   {
12151     struct TokenIntPtrInfo menu_config[] =
12152     {
12153       { "menu.left_spacing.INFO",       &menu.left_spacing_info[i]      },
12154       { "menu.right_spacing.INFO",      &menu.right_spacing_info[i]     },
12155       { "menu.top_spacing.INFO",        &menu.top_spacing_info[i]       },
12156       { "menu.bottom_spacing.INFO",     &menu.bottom_spacing_info[i]    },
12157       { "menu.paragraph_spacing.INFO",  &menu.paragraph_spacing_info[i] },
12158       { "menu.headline1_spacing.INFO",  &menu.headline1_spacing_info[i] },
12159       { "menu.headline2_spacing.INFO",  &menu.headline2_spacing_info[i] },
12160       { "menu.line_spacing.INFO",       &menu.line_spacing_info[i]      },
12161       { "menu.extra_spacing.INFO",      &menu.extra_spacing_info[i]     },
12162     };
12163
12164     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
12165     {
12166       char *token = menu_config[j].token;
12167       char *value = getHashEntry(setup_file_hash, token);
12168
12169       if (value != NULL)
12170         *menu_config[j].value = get_integer_from_string(value);
12171     }
12172   }
12173
12174   // special case: initialize with default values that may be overwritten
12175   // (eg, init "menu.enter_screen.SCORES.xyz" from "menu.enter_screen.xyz")
12176   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
12177   {
12178     struct TokenIntPtrInfo menu_config[] =
12179     {
12180       { "menu.enter_screen.fade_mode",  &menu.enter_screen[i].fade_mode  },
12181       { "menu.enter_screen.fade_delay", &menu.enter_screen[i].fade_delay },
12182       { "menu.enter_screen.post_delay", &menu.enter_screen[i].post_delay },
12183       { "menu.leave_screen.fade_mode",  &menu.leave_screen[i].fade_mode  },
12184       { "menu.leave_screen.fade_delay", &menu.leave_screen[i].fade_delay },
12185       { "menu.leave_screen.post_delay", &menu.leave_screen[i].post_delay },
12186       { "menu.next_screen.fade_mode",   &menu.next_screen[i].fade_mode   },
12187       { "menu.next_screen.fade_delay",  &menu.next_screen[i].fade_delay  },
12188       { "menu.next_screen.post_delay",  &menu.next_screen[i].post_delay  }
12189     };
12190
12191     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
12192     {
12193       char *token = menu_config[j].token;
12194       char *value = getHashEntry(setup_file_hash, token);
12195
12196       if (value != NULL)
12197         *menu_config[j].value = get_token_parameter_value(token, value);
12198     }
12199   }
12200
12201   // special case: initialize with default values that may be overwritten
12202   // (eg, init "viewport.door_1.MAIN.xyz" from "viewport.door_1.xyz")
12203   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
12204   {
12205     struct
12206     {
12207       char *token_prefix;
12208       struct RectWithBorder *struct_ptr;
12209     }
12210     vp_struct[] =
12211     {
12212       { "viewport.window",      &viewport.window[i]     },
12213       { "viewport.playfield",   &viewport.playfield[i]  },
12214       { "viewport.door_1",      &viewport.door_1[i]     },
12215       { "viewport.door_2",      &viewport.door_2[i]     }
12216     };
12217
12218     for (j = 0; j < ARRAY_SIZE(vp_struct); j++)
12219     {
12220       struct TokenIntPtrInfo vp_config[] =
12221       {
12222         { ".x",                 &vp_struct[j].struct_ptr->x             },
12223         { ".y",                 &vp_struct[j].struct_ptr->y             },
12224         { ".width",             &vp_struct[j].struct_ptr->width         },
12225         { ".height",            &vp_struct[j].struct_ptr->height        },
12226         { ".min_width",         &vp_struct[j].struct_ptr->min_width     },
12227         { ".min_height",        &vp_struct[j].struct_ptr->min_height    },
12228         { ".max_width",         &vp_struct[j].struct_ptr->max_width     },
12229         { ".max_height",        &vp_struct[j].struct_ptr->max_height    },
12230         { ".margin_left",       &vp_struct[j].struct_ptr->margin_left   },
12231         { ".margin_right",      &vp_struct[j].struct_ptr->margin_right  },
12232         { ".margin_top",        &vp_struct[j].struct_ptr->margin_top    },
12233         { ".margin_bottom",     &vp_struct[j].struct_ptr->margin_bottom },
12234         { ".border_left",       &vp_struct[j].struct_ptr->border_left   },
12235         { ".border_right",      &vp_struct[j].struct_ptr->border_right  },
12236         { ".border_top",        &vp_struct[j].struct_ptr->border_top    },
12237         { ".border_bottom",     &vp_struct[j].struct_ptr->border_bottom },
12238         { ".border_size",       &vp_struct[j].struct_ptr->border_size   },
12239         { ".align_size",        &vp_struct[j].struct_ptr->align_size    },
12240         { ".align",             &vp_struct[j].struct_ptr->align         },
12241         { ".valign",            &vp_struct[j].struct_ptr->valign        }
12242       };
12243
12244       for (k = 0; k < ARRAY_SIZE(vp_config); k++)
12245       {
12246         char *token = getStringCat2(vp_struct[j].token_prefix,
12247                                     vp_config[k].token);
12248         char *value = getHashEntry(setup_file_hash, token);
12249
12250         if (value != NULL)
12251           *vp_config[k].value = get_token_parameter_value(token, value);
12252
12253         free(token);
12254       }
12255     }
12256   }
12257
12258   // special case: initialize with default values that may be overwritten
12259   // (e.g., init "[title].fade_mode" from "menu.next_screen.TITLE.fade_mode")
12260   for (i = 0; title_info[i].info != NULL; i++)
12261   {
12262     struct TitleFadingInfo *info = title_info[i].info;
12263     char *base_token = title_info[i].text;
12264
12265     for (j = 0; title_tokens[j].type != -1; j++)
12266     {
12267       char *token = getStringCat2(base_token, title_tokens[j].text);
12268       char *value = getHashEntry(setup_file_hash, token);
12269
12270       if (value != NULL)
12271       {
12272         int parameter_value = get_token_parameter_value(token, value);
12273
12274         tfi = *info;
12275
12276         *(int *)title_tokens[j].value = (int)parameter_value;
12277
12278         *info = tfi;
12279       }
12280
12281       free(token);
12282     }
12283   }
12284
12285   // special case: initialize with default values that may be overwritten
12286   // (e.g., init "titlemessage_1.fade_mode" from "[titlemessage].fade_mode")
12287   for (i = 0; titlemessage_arrays[i].array != NULL; i++)
12288   {
12289     struct TitleMessageInfo *array = titlemessage_arrays[i].array;
12290     char *base_token = titlemessage_arrays[i].text;
12291
12292     for (j = 0; titlemessage_tokens[j].type != -1; j++)
12293     {
12294       char *token = getStringCat2(base_token, titlemessage_tokens[j].text);
12295       char *value = getHashEntry(setup_file_hash, token);
12296
12297       if (value != NULL)
12298       {
12299         int parameter_value = get_token_parameter_value(token, value);
12300
12301         for (k = 0; k < MAX_NUM_TITLE_MESSAGES; k++)
12302         {
12303           tmi = array[k];
12304
12305           if (titlemessage_tokens[j].type == TYPE_INTEGER)
12306             *(int     *)titlemessage_tokens[j].value = (int)parameter_value;
12307           else
12308             *(boolean *)titlemessage_tokens[j].value = (boolean)parameter_value;
12309
12310           array[k] = tmi;
12311         }
12312       }
12313
12314       free(token);
12315     }
12316   }
12317
12318   // special case: check if network and preview player positions are redefined,
12319   // to compare this later against the main menu level preview being redefined
12320   struct TokenIntPtrInfo menu_config_players[] =
12321   {
12322     { "main.network_players.x", &menu.main.network_players.redefined    },
12323     { "main.network_players.y", &menu.main.network_players.redefined    },
12324     { "main.preview_players.x", &menu.main.preview_players.redefined    },
12325     { "main.preview_players.y", &menu.main.preview_players.redefined    },
12326     { "preview.x",              &preview.redefined                      },
12327     { "preview.y",              &preview.redefined                      }
12328   };
12329
12330   for (i = 0; i < ARRAY_SIZE(menu_config_players); i++)
12331     *menu_config_players[i].value = FALSE;
12332
12333   for (i = 0; i < ARRAY_SIZE(menu_config_players); i++)
12334     if (getHashEntry(setup_file_hash, menu_config_players[i].token) != NULL)
12335       *menu_config_players[i].value = TRUE;
12336
12337   // read (and overwrite with) values that may be specified in config file
12338   for (i = 0; image_config_vars[i].token != NULL; i++)
12339   {
12340     char *value = getHashEntry(setup_file_hash, image_config_vars[i].token);
12341
12342     // (ignore definitions set to "[DEFAULT]" which are already initialized)
12343     if (value != NULL && !strEqual(value, ARG_DEFAULT))
12344       *image_config_vars[i].value =
12345         get_token_parameter_value(image_config_vars[i].token, value);
12346   }
12347
12348   freeSetupFileHash(setup_file_hash);
12349 }
12350
12351 void LoadMenuDesignSettings(void)
12352 {
12353   char *filename_base = UNDEFINED_FILENAME, *filename_local;
12354
12355   InitMenuDesignSettings_Static();
12356   InitMenuDesignSettings_SpecialPreProcessing();
12357
12358   if (!GFX_OVERRIDE_ARTWORK(ARTWORK_TYPE_GRAPHICS))
12359   {
12360     // first look for special settings configured in level series config
12361     filename_base = getCustomArtworkLevelConfigFilename(ARTWORK_TYPE_GRAPHICS);
12362
12363     if (fileExists(filename_base))
12364       LoadMenuDesignSettingsFromFilename(filename_base);
12365   }
12366
12367   filename_local = getCustomArtworkConfigFilename(ARTWORK_TYPE_GRAPHICS);
12368
12369   if (filename_local != NULL && !strEqual(filename_base, filename_local))
12370     LoadMenuDesignSettingsFromFilename(filename_local);
12371
12372   InitMenuDesignSettings_SpecialPostProcessing();
12373 }
12374
12375 void LoadMenuDesignSettings_AfterGraphics(void)
12376 {
12377   InitMenuDesignSettings_SpecialPostProcessing_AfterGraphics();
12378 }
12379
12380 void LoadUserDefinedEditorElementList(int **elements, int *num_elements)
12381 {
12382   char *filename = getEditorSetupFilename();
12383   SetupFileList *setup_file_list, *list;
12384   SetupFileHash *element_hash;
12385   int num_unknown_tokens = 0;
12386   int i;
12387
12388   if ((setup_file_list = loadSetupFileList(filename)) == NULL)
12389     return;
12390
12391   element_hash = newSetupFileHash();
12392
12393   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
12394     setHashEntry(element_hash, element_info[i].token_name, i_to_a(i));
12395
12396   // determined size may be larger than needed (due to unknown elements)
12397   *num_elements = 0;
12398   for (list = setup_file_list; list != NULL; list = list->next)
12399     (*num_elements)++;
12400
12401   // add space for up to 3 more elements for padding that may be needed
12402   *num_elements += 3;
12403
12404   // free memory for old list of elements, if needed
12405   checked_free(*elements);
12406
12407   // allocate memory for new list of elements
12408   *elements = checked_malloc(*num_elements * sizeof(int));
12409
12410   *num_elements = 0;
12411   for (list = setup_file_list; list != NULL; list = list->next)
12412   {
12413     char *value = getHashEntry(element_hash, list->token);
12414
12415     if (value == NULL)          // try to find obsolete token mapping
12416     {
12417       char *mapped_token = get_mapped_token(list->token);
12418
12419       if (mapped_token != NULL)
12420       {
12421         value = getHashEntry(element_hash, mapped_token);
12422
12423         free(mapped_token);
12424       }
12425     }
12426
12427     if (value != NULL)
12428     {
12429       (*elements)[(*num_elements)++] = atoi(value);
12430     }
12431     else
12432     {
12433       if (num_unknown_tokens == 0)
12434       {
12435         Warn("---");
12436         Warn("unknown token(s) found in config file:");
12437         Warn("- config file: '%s'", filename);
12438
12439         num_unknown_tokens++;
12440       }
12441
12442       Warn("- token: '%s'", list->token);
12443     }
12444   }
12445
12446   if (num_unknown_tokens > 0)
12447     Warn("---");
12448
12449   while (*num_elements % 4)     // pad with empty elements, if needed
12450     (*elements)[(*num_elements)++] = EL_EMPTY;
12451
12452   freeSetupFileList(setup_file_list);
12453   freeSetupFileHash(element_hash);
12454
12455 #if 0
12456   for (i = 0; i < *num_elements; i++)
12457     Debug("editor", "element '%s' [%d]\n",
12458           element_info[(*elements)[i]].token_name, (*elements)[i]);
12459 #endif
12460 }
12461
12462 static struct MusicFileInfo *get_music_file_info_ext(char *basename, int music,
12463                                                      boolean is_sound)
12464 {
12465   SetupFileHash *setup_file_hash = NULL;
12466   struct MusicFileInfo tmp_music_file_info, *new_music_file_info;
12467   char *filename_music, *filename_prefix, *filename_info;
12468   struct
12469   {
12470     char *token;
12471     char **value_ptr;
12472   }
12473   token_to_value_ptr[] =
12474   {
12475     { "title_header",   &tmp_music_file_info.title_header       },
12476     { "artist_header",  &tmp_music_file_info.artist_header      },
12477     { "album_header",   &tmp_music_file_info.album_header       },
12478     { "year_header",    &tmp_music_file_info.year_header        },
12479
12480     { "title",          &tmp_music_file_info.title              },
12481     { "artist",         &tmp_music_file_info.artist             },
12482     { "album",          &tmp_music_file_info.album              },
12483     { "year",           &tmp_music_file_info.year               },
12484
12485     { NULL,             NULL                                    },
12486   };
12487   int i;
12488
12489   filename_music = (is_sound ? getCustomSoundFilename(basename) :
12490                     getCustomMusicFilename(basename));
12491
12492   if (filename_music == NULL)
12493     return NULL;
12494
12495   // ---------- try to replace file extension ----------
12496
12497   filename_prefix = getStringCopy(filename_music);
12498   if (strrchr(filename_prefix, '.') != NULL)
12499     *strrchr(filename_prefix, '.') = '\0';
12500   filename_info = getStringCat2(filename_prefix, ".txt");
12501
12502   if (fileExists(filename_info))
12503     setup_file_hash = loadSetupFileHash(filename_info);
12504
12505   free(filename_prefix);
12506   free(filename_info);
12507
12508   if (setup_file_hash == NULL)
12509   {
12510     // ---------- try to add file extension ----------
12511
12512     filename_prefix = getStringCopy(filename_music);
12513     filename_info = getStringCat2(filename_prefix, ".txt");
12514
12515     if (fileExists(filename_info))
12516       setup_file_hash = loadSetupFileHash(filename_info);
12517
12518     free(filename_prefix);
12519     free(filename_info);
12520   }
12521
12522   if (setup_file_hash == NULL)
12523     return NULL;
12524
12525   // ---------- music file info found ----------
12526
12527   clear_mem(&tmp_music_file_info, sizeof(struct MusicFileInfo));
12528
12529   for (i = 0; token_to_value_ptr[i].token != NULL; i++)
12530   {
12531     char *value = getHashEntry(setup_file_hash, token_to_value_ptr[i].token);
12532
12533     *token_to_value_ptr[i].value_ptr =
12534       getStringCopy(value != NULL && *value != '\0' ? value : UNKNOWN_NAME);
12535   }
12536
12537   tmp_music_file_info.basename = getStringCopy(basename);
12538   tmp_music_file_info.music = music;
12539   tmp_music_file_info.is_sound = is_sound;
12540
12541   new_music_file_info = checked_malloc(sizeof(struct MusicFileInfo));
12542   *new_music_file_info = tmp_music_file_info;
12543
12544   return new_music_file_info;
12545 }
12546
12547 static struct MusicFileInfo *get_music_file_info(char *basename, int music)
12548 {
12549   return get_music_file_info_ext(basename, music, FALSE);
12550 }
12551
12552 static struct MusicFileInfo *get_sound_file_info(char *basename, int sound)
12553 {
12554   return get_music_file_info_ext(basename, sound, TRUE);
12555 }
12556
12557 static boolean music_info_listed_ext(struct MusicFileInfo *list,
12558                                      char *basename, boolean is_sound)
12559 {
12560   for (; list != NULL; list = list->next)
12561     if (list->is_sound == is_sound && strEqual(list->basename, basename))
12562       return TRUE;
12563
12564   return FALSE;
12565 }
12566
12567 static boolean music_info_listed(struct MusicFileInfo *list, char *basename)
12568 {
12569   return music_info_listed_ext(list, basename, FALSE);
12570 }
12571
12572 static boolean sound_info_listed(struct MusicFileInfo *list, char *basename)
12573 {
12574   return music_info_listed_ext(list, basename, TRUE);
12575 }
12576
12577 void LoadMusicInfo(void)
12578 {
12579   char *music_directory = getCustomMusicDirectory();
12580   int num_music = getMusicListSize();
12581   int num_music_noconf = 0;
12582   int num_sounds = getSoundListSize();
12583   Directory *dir;
12584   DirectoryEntry *dir_entry;
12585   struct FileInfo *music, *sound;
12586   struct MusicFileInfo *next, **new;
12587   int i;
12588
12589   while (music_file_info != NULL)
12590   {
12591     next = music_file_info->next;
12592
12593     checked_free(music_file_info->basename);
12594
12595     checked_free(music_file_info->title_header);
12596     checked_free(music_file_info->artist_header);
12597     checked_free(music_file_info->album_header);
12598     checked_free(music_file_info->year_header);
12599
12600     checked_free(music_file_info->title);
12601     checked_free(music_file_info->artist);
12602     checked_free(music_file_info->album);
12603     checked_free(music_file_info->year);
12604
12605     free(music_file_info);
12606
12607     music_file_info = next;
12608   }
12609
12610   new = &music_file_info;
12611
12612   for (i = 0; i < num_music; i++)
12613   {
12614     music = getMusicListEntry(i);
12615
12616     if (music->filename == NULL)
12617       continue;
12618
12619     if (strEqual(music->filename, UNDEFINED_FILENAME))
12620       continue;
12621
12622     // a configured file may be not recognized as music
12623     if (!FileIsMusic(music->filename))
12624       continue;
12625
12626     if (!music_info_listed(music_file_info, music->filename))
12627     {
12628       *new = get_music_file_info(music->filename, i);
12629
12630       if (*new != NULL)
12631         new = &(*new)->next;
12632     }
12633   }
12634
12635   if ((dir = openDirectory(music_directory)) == NULL)
12636   {
12637     Warn("cannot read music directory '%s'", music_directory);
12638
12639     return;
12640   }
12641
12642   while ((dir_entry = readDirectory(dir)) != NULL)      // loop all entries
12643   {
12644     char *basename = dir_entry->basename;
12645     boolean music_already_used = FALSE;
12646     int i;
12647
12648     // skip all music files that are configured in music config file
12649     for (i = 0; i < num_music; i++)
12650     {
12651       music = getMusicListEntry(i);
12652
12653       if (music->filename == NULL)
12654         continue;
12655
12656       if (strEqual(basename, music->filename))
12657       {
12658         music_already_used = TRUE;
12659         break;
12660       }
12661     }
12662
12663     if (music_already_used)
12664       continue;
12665
12666     if (!FileIsMusic(dir_entry->filename))
12667       continue;
12668
12669     if (!music_info_listed(music_file_info, basename))
12670     {
12671       *new = get_music_file_info(basename, MAP_NOCONF_MUSIC(num_music_noconf));
12672
12673       if (*new != NULL)
12674         new = &(*new)->next;
12675     }
12676
12677     num_music_noconf++;
12678   }
12679
12680   closeDirectory(dir);
12681
12682   for (i = 0; i < num_sounds; i++)
12683   {
12684     sound = getSoundListEntry(i);
12685
12686     if (sound->filename == NULL)
12687       continue;
12688
12689     if (strEqual(sound->filename, UNDEFINED_FILENAME))
12690       continue;
12691
12692     // a configured file may be not recognized as sound
12693     if (!FileIsSound(sound->filename))
12694       continue;
12695
12696     if (!sound_info_listed(music_file_info, sound->filename))
12697     {
12698       *new = get_sound_file_info(sound->filename, i);
12699       if (*new != NULL)
12700         new = &(*new)->next;
12701     }
12702   }
12703 }
12704
12705 static void add_helpanim_entry(int element, int action, int direction,
12706                                int delay, int *num_list_entries)
12707 {
12708   struct HelpAnimInfo *new_list_entry;
12709   (*num_list_entries)++;
12710
12711   helpanim_info =
12712     checked_realloc(helpanim_info,
12713                     *num_list_entries * sizeof(struct HelpAnimInfo));
12714   new_list_entry = &helpanim_info[*num_list_entries - 1];
12715
12716   new_list_entry->element = element;
12717   new_list_entry->action = action;
12718   new_list_entry->direction = direction;
12719   new_list_entry->delay = delay;
12720 }
12721
12722 static void print_unknown_token(char *filename, char *token, int token_nr)
12723 {
12724   if (token_nr == 0)
12725   {
12726     Warn("---");
12727     Warn("unknown token(s) found in config file:");
12728     Warn("- config file: '%s'", filename);
12729   }
12730
12731   Warn("- token: '%s'", token);
12732 }
12733
12734 static void print_unknown_token_end(int token_nr)
12735 {
12736   if (token_nr > 0)
12737     Warn("---");
12738 }
12739
12740 void LoadHelpAnimInfo(void)
12741 {
12742   char *filename = getHelpAnimFilename();
12743   SetupFileList *setup_file_list = NULL, *list;
12744   SetupFileHash *element_hash, *action_hash, *direction_hash;
12745   int num_list_entries = 0;
12746   int num_unknown_tokens = 0;
12747   int i;
12748
12749   if (fileExists(filename))
12750     setup_file_list = loadSetupFileList(filename);
12751
12752   if (setup_file_list == NULL)
12753   {
12754     // use reliable default values from static configuration
12755     SetupFileList *insert_ptr;
12756
12757     insert_ptr = setup_file_list =
12758       newSetupFileList(helpanim_config[0].token,
12759                        helpanim_config[0].value);
12760
12761     for (i = 1; helpanim_config[i].token; i++)
12762       insert_ptr = addListEntry(insert_ptr,
12763                                 helpanim_config[i].token,
12764                                 helpanim_config[i].value);
12765   }
12766
12767   element_hash   = newSetupFileHash();
12768   action_hash    = newSetupFileHash();
12769   direction_hash = newSetupFileHash();
12770
12771   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
12772     setHashEntry(element_hash, element_info[i].token_name, i_to_a(i));
12773
12774   for (i = 0; i < NUM_ACTIONS; i++)
12775     setHashEntry(action_hash, element_action_info[i].suffix,
12776                  i_to_a(element_action_info[i].value));
12777
12778   // do not store direction index (bit) here, but direction value!
12779   for (i = 0; i < NUM_DIRECTIONS_FULL; i++)
12780     setHashEntry(direction_hash, element_direction_info[i].suffix,
12781                  i_to_a(1 << element_direction_info[i].value));
12782
12783   for (list = setup_file_list; list != NULL; list = list->next)
12784   {
12785     char *element_token, *action_token, *direction_token;
12786     char *element_value, *action_value, *direction_value;
12787     int delay = atoi(list->value);
12788
12789     if (strEqual(list->token, "end"))
12790     {
12791       add_helpanim_entry(HELPANIM_LIST_NEXT, -1, -1, -1, &num_list_entries);
12792
12793       continue;
12794     }
12795
12796     /* first try to break element into element/action/direction parts;
12797        if this does not work, also accept combined "element[.act][.dir]"
12798        elements (like "dynamite.active"), which are unique elements */
12799
12800     if (strchr(list->token, '.') == NULL)       // token contains no '.'
12801     {
12802       element_value = getHashEntry(element_hash, list->token);
12803       if (element_value != NULL)        // element found
12804         add_helpanim_entry(atoi(element_value), -1, -1, delay,
12805                            &num_list_entries);
12806       else
12807       {
12808         // no further suffixes found -- this is not an element
12809         print_unknown_token(filename, list->token, num_unknown_tokens++);
12810       }
12811
12812       continue;
12813     }
12814
12815     // token has format "<prefix>.<something>"
12816
12817     action_token = strchr(list->token, '.');    // suffix may be action ...
12818     direction_token = action_token;             // ... or direction
12819
12820     element_token = getStringCopy(list->token);
12821     *strchr(element_token, '.') = '\0';
12822
12823     element_value = getHashEntry(element_hash, element_token);
12824
12825     if (element_value == NULL)          // this is no element
12826     {
12827       element_value = getHashEntry(element_hash, list->token);
12828       if (element_value != NULL)        // combined element found
12829         add_helpanim_entry(atoi(element_value), -1, -1, delay,
12830                            &num_list_entries);
12831       else
12832         print_unknown_token(filename, list->token, num_unknown_tokens++);
12833
12834       free(element_token);
12835
12836       continue;
12837     }
12838
12839     action_value = getHashEntry(action_hash, action_token);
12840
12841     if (action_value != NULL)           // action found
12842     {
12843       add_helpanim_entry(atoi(element_value), atoi(action_value), -1, delay,
12844                     &num_list_entries);
12845
12846       free(element_token);
12847
12848       continue;
12849     }
12850
12851     direction_value = getHashEntry(direction_hash, direction_token);
12852
12853     if (direction_value != NULL)        // direction found
12854     {
12855       add_helpanim_entry(atoi(element_value), -1, atoi(direction_value), delay,
12856                          &num_list_entries);
12857
12858       free(element_token);
12859
12860       continue;
12861     }
12862
12863     if (strchr(action_token + 1, '.') == NULL)
12864     {
12865       // no further suffixes found -- this is not an action nor direction
12866
12867       element_value = getHashEntry(element_hash, list->token);
12868       if (element_value != NULL)        // combined element found
12869         add_helpanim_entry(atoi(element_value), -1, -1, delay,
12870                            &num_list_entries);
12871       else
12872         print_unknown_token(filename, list->token, num_unknown_tokens++);
12873
12874       free(element_token);
12875
12876       continue;
12877     }
12878
12879     // token has format "<prefix>.<suffix>.<something>"
12880
12881     direction_token = strchr(action_token + 1, '.');
12882
12883     action_token = getStringCopy(action_token);
12884     *strchr(action_token + 1, '.') = '\0';
12885
12886     action_value = getHashEntry(action_hash, action_token);
12887
12888     if (action_value == NULL)           // this is no action
12889     {
12890       element_value = getHashEntry(element_hash, list->token);
12891       if (element_value != NULL)        // combined element found
12892         add_helpanim_entry(atoi(element_value), -1, -1, delay,
12893                            &num_list_entries);
12894       else
12895         print_unknown_token(filename, list->token, num_unknown_tokens++);
12896
12897       free(element_token);
12898       free(action_token);
12899
12900       continue;
12901     }
12902
12903     direction_value = getHashEntry(direction_hash, direction_token);
12904
12905     if (direction_value != NULL)        // direction found
12906     {
12907       add_helpanim_entry(atoi(element_value), atoi(action_value),
12908                          atoi(direction_value), delay, &num_list_entries);
12909
12910       free(element_token);
12911       free(action_token);
12912
12913       continue;
12914     }
12915
12916     // this is no direction
12917
12918     element_value = getHashEntry(element_hash, list->token);
12919     if (element_value != NULL)          // combined element found
12920       add_helpanim_entry(atoi(element_value), -1, -1, delay,
12921                          &num_list_entries);
12922     else
12923       print_unknown_token(filename, list->token, num_unknown_tokens++);
12924
12925     free(element_token);
12926     free(action_token);
12927   }
12928
12929   print_unknown_token_end(num_unknown_tokens);
12930
12931   add_helpanim_entry(HELPANIM_LIST_NEXT, -1, -1, -1, &num_list_entries);
12932   add_helpanim_entry(HELPANIM_LIST_END,  -1, -1, -1, &num_list_entries);
12933
12934   freeSetupFileList(setup_file_list);
12935   freeSetupFileHash(element_hash);
12936   freeSetupFileHash(action_hash);
12937   freeSetupFileHash(direction_hash);
12938
12939 #if 0
12940   for (i = 0; i < num_list_entries; i++)
12941     Debug("files:LoadHelpAnimInfo", "'%s': %d, %d, %d => %d",
12942           EL_NAME(helpanim_info[i].element),
12943           helpanim_info[i].element,
12944           helpanim_info[i].action,
12945           helpanim_info[i].direction,
12946           helpanim_info[i].delay);
12947 #endif
12948 }
12949
12950 void LoadHelpTextInfo(void)
12951 {
12952   char *filename = getHelpTextFilename();
12953   int i;
12954
12955   if (helptext_info != NULL)
12956   {
12957     freeSetupFileHash(helptext_info);
12958     helptext_info = NULL;
12959   }
12960
12961   if (fileExists(filename))
12962     helptext_info = loadSetupFileHash(filename);
12963
12964   if (helptext_info == NULL)
12965   {
12966     // use reliable default values from static configuration
12967     helptext_info = newSetupFileHash();
12968
12969     for (i = 0; helptext_config[i].token; i++)
12970       setHashEntry(helptext_info,
12971                    helptext_config[i].token,
12972                    helptext_config[i].value);
12973   }
12974
12975 #if 0
12976   BEGIN_HASH_ITERATION(helptext_info, itr)
12977   {
12978     Debug("files:LoadHelpTextInfo", "'%s' => '%s'",
12979           HASH_ITERATION_TOKEN(itr), HASH_ITERATION_VALUE(itr));
12980   }
12981   END_HASH_ITERATION(hash, itr)
12982 #endif
12983 }
12984
12985
12986 // ----------------------------------------------------------------------------
12987 // convert levels
12988 // ----------------------------------------------------------------------------
12989
12990 #define MAX_NUM_CONVERT_LEVELS          1000
12991
12992 void ConvertLevels(void)
12993 {
12994   static LevelDirTree *convert_leveldir = NULL;
12995   static int convert_level_nr = -1;
12996   static int num_levels_handled = 0;
12997   static int num_levels_converted = 0;
12998   static boolean levels_failed[MAX_NUM_CONVERT_LEVELS];
12999   int i;
13000
13001   convert_leveldir = getTreeInfoFromIdentifier(leveldir_first,
13002                                                global.convert_leveldir);
13003
13004   if (convert_leveldir == NULL)
13005     Fail("no such level identifier: '%s'", global.convert_leveldir);
13006
13007   leveldir_current = convert_leveldir;
13008
13009   if (global.convert_level_nr != -1)
13010   {
13011     convert_leveldir->first_level = global.convert_level_nr;
13012     convert_leveldir->last_level  = global.convert_level_nr;
13013   }
13014
13015   convert_level_nr = convert_leveldir->first_level;
13016
13017   PrintLine("=", 79);
13018   Print("Converting levels\n");
13019   PrintLine("-", 79);
13020   Print("Level series identifier: '%s'\n", convert_leveldir->identifier);
13021   Print("Level series name:       '%s'\n", convert_leveldir->name);
13022   Print("Level series author:     '%s'\n", convert_leveldir->author);
13023   Print("Number of levels:        %d\n",   convert_leveldir->levels);
13024   PrintLine("=", 79);
13025   Print("\n");
13026
13027   for (i = 0; i < MAX_NUM_CONVERT_LEVELS; i++)
13028     levels_failed[i] = FALSE;
13029
13030   while (convert_level_nr <= convert_leveldir->last_level)
13031   {
13032     char *level_filename;
13033     boolean new_level;
13034
13035     level_nr = convert_level_nr++;
13036
13037     Print("Level %03d: ", level_nr);
13038
13039     LoadLevel(level_nr);
13040     if (level.no_level_file || level.no_valid_file)
13041     {
13042       Print("(no level)\n");
13043       continue;
13044     }
13045
13046     Print("converting level ... ");
13047
13048     level_filename = getDefaultLevelFilename(level_nr);
13049     new_level = !fileExists(level_filename);
13050
13051     if (new_level)
13052     {
13053       SaveLevel(level_nr);
13054
13055       num_levels_converted++;
13056
13057       Print("converted.\n");
13058     }
13059     else
13060     {
13061       if (level_nr >= 0 && level_nr < MAX_NUM_CONVERT_LEVELS)
13062         levels_failed[level_nr] = TRUE;
13063
13064       Print("NOT CONVERTED -- LEVEL ALREADY EXISTS.\n");
13065     }
13066
13067     num_levels_handled++;
13068   }
13069
13070   Print("\n");
13071   PrintLine("=", 79);
13072   Print("Number of levels handled: %d\n", num_levels_handled);
13073   Print("Number of levels converted: %d (%d%%)\n", num_levels_converted,
13074          (num_levels_handled ?
13075           num_levels_converted * 100 / num_levels_handled : 0));
13076   PrintLine("-", 79);
13077   Print("Summary (for automatic parsing by scripts):\n");
13078   Print("LEVELDIR '%s', CONVERTED %d/%d (%d%%)",
13079          convert_leveldir->identifier, num_levels_converted,
13080          num_levels_handled,
13081          (num_levels_handled ?
13082           num_levels_converted * 100 / num_levels_handled : 0));
13083
13084   if (num_levels_handled != num_levels_converted)
13085   {
13086     Print(", FAILED:");
13087     for (i = 0; i < MAX_NUM_CONVERT_LEVELS; i++)
13088       if (levels_failed[i])
13089         Print(" %03d", i);
13090   }
13091
13092   Print("\n");
13093   PrintLine("=", 79);
13094
13095   CloseAllAndExit(0);
13096 }
13097
13098
13099 // ----------------------------------------------------------------------------
13100 // create and save images for use in level sketches (raw BMP format)
13101 // ----------------------------------------------------------------------------
13102
13103 void CreateLevelSketchImages(void)
13104 {
13105   Bitmap *bitmap1;
13106   Bitmap *bitmap2;
13107   int i;
13108
13109   InitElementPropertiesGfxElement();
13110
13111   bitmap1 = CreateBitmap(TILEX, TILEY, DEFAULT_DEPTH);
13112   bitmap2 = CreateBitmap(MINI_TILEX, MINI_TILEY, DEFAULT_DEPTH);
13113
13114   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
13115   {
13116     int element = getMappedElement(i);
13117     char basename1[16];
13118     char basename2[16];
13119     char *filename1;
13120     char *filename2;
13121
13122     sprintf(basename1, "%04d.bmp", i);
13123     sprintf(basename2, "%04ds.bmp", i);
13124
13125     filename1 = getPath2(global.create_sketch_images_dir, basename1);
13126     filename2 = getPath2(global.create_sketch_images_dir, basename2);
13127
13128     DrawSizedElement(0, 0, element, TILESIZE);
13129     BlitBitmap(drawto, bitmap1, SX, SY, TILEX, TILEY, 0, 0);
13130
13131     if (SDL_SaveBMP(bitmap1->surface, filename1) != 0)
13132       Fail("cannot save level sketch image file '%s'", filename1);
13133
13134     DrawSizedElement(0, 0, element, MINI_TILESIZE);
13135     BlitBitmap(drawto, bitmap2, SX, SY, MINI_TILEX, MINI_TILEY, 0, 0);
13136
13137     if (SDL_SaveBMP(bitmap2->surface, filename2) != 0)
13138       Fail("cannot save level sketch image file '%s'", filename2);
13139
13140     free(filename1);
13141     free(filename2);
13142
13143     // create corresponding SQL statements (for normal and small images)
13144     if (i < 1000)
13145     {
13146       printf("insert into phpbb_words values (NULL, '`%03d', '<IMG class=\"levelsketch\" src=\"/I/%04d.png\"/>');\n", i, i);
13147       printf("insert into phpbb_words values (NULL, '¸%03d', '<IMG class=\"levelsketch\" src=\"/I/%04ds.png\"/>');\n", i, i);
13148     }
13149
13150     printf("insert into phpbb_words values (NULL, '`%04d', '<IMG class=\"levelsketch\" src=\"/I/%04d.png\"/>');\n", i, i);
13151     printf("insert into phpbb_words values (NULL, '¸%04d', '<IMG class=\"levelsketch\" src=\"/I/%04ds.png\"/>');\n", i, i);
13152
13153     // optional: create content for forum level sketch demonstration post
13154     if (options.debug)
13155       fprintf(stderr, "%03d `%03d%c", i, i, (i % 10 < 9 ? ' ' : '\n'));
13156   }
13157
13158   FreeBitmap(bitmap1);
13159   FreeBitmap(bitmap2);
13160
13161   if (options.debug)
13162     fprintf(stderr, "\n");
13163
13164   Info("%d normal and small images created", NUM_FILE_ELEMENTS);
13165
13166   CloseAllAndExit(0);
13167 }
13168
13169
13170 // ----------------------------------------------------------------------------
13171 // create and save images for element collecting animations (raw BMP format)
13172 // ----------------------------------------------------------------------------
13173
13174 static boolean createCollectImage(int element)
13175 {
13176   return (IS_COLLECTIBLE(element) && !IS_SP_ELEMENT(element));
13177 }
13178
13179 void CreateCollectElementImages(void)
13180 {
13181   int i, j;
13182   int num_steps = 8;
13183   int anim_frames = num_steps - 1;
13184   int tile_size = TILESIZE;
13185   int anim_width  = tile_size * anim_frames;
13186   int anim_height = tile_size;
13187   int num_collect_images = 0;
13188   int pos_collect_images = 0;
13189
13190   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
13191     if (createCollectImage(i))
13192       num_collect_images++;
13193
13194   Info("Creating %d element collecting animation images ...",
13195        num_collect_images);
13196
13197   int dst_width  = anim_width * 2;
13198   int dst_height = anim_height * num_collect_images / 2;
13199   Bitmap *dst_bitmap = CreateBitmap(dst_width, dst_height, DEFAULT_DEPTH);
13200   char *basename = "RocksCollect.bmp";
13201   char *filename = getPath2(global.create_collect_images_dir, basename);
13202
13203   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
13204   {
13205     if (!createCollectImage(i))
13206       continue;
13207
13208     int dst_x = (pos_collect_images / (num_collect_images / 2)) * anim_width;
13209     int dst_y = (pos_collect_images % (num_collect_images / 2)) * anim_height;
13210     int graphic = el2img(i);
13211     char *token_name = element_info[i].token_name;
13212     Bitmap *tmp_bitmap = CreateBitmap(tile_size, tile_size, DEFAULT_DEPTH);
13213     Bitmap *src_bitmap;
13214     int src_x, src_y;
13215
13216     Info("- creating collecting image for '%s' ...", token_name);
13217
13218     getGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
13219
13220     BlitBitmap(src_bitmap, tmp_bitmap, src_x, src_y,
13221                tile_size, tile_size, 0, 0);
13222
13223     tmp_bitmap->surface_masked = tmp_bitmap->surface;
13224
13225     for (j = 0; j < anim_frames; j++)
13226     {
13227       int frame_size_final = tile_size * (anim_frames - j) / num_steps;
13228       int frame_size = frame_size_final * num_steps;
13229       int offset = (tile_size - frame_size_final) / 2;
13230       Bitmap *frame_bitmap = ZoomBitmap(tmp_bitmap, frame_size, frame_size);
13231
13232       while (frame_size > frame_size_final)
13233       {
13234         frame_size /= 2;
13235
13236         Bitmap *half_bitmap = ZoomBitmap(frame_bitmap, frame_size, frame_size);
13237
13238         FreeBitmap(frame_bitmap);
13239
13240         frame_bitmap = half_bitmap;
13241       }
13242
13243       BlitBitmap(frame_bitmap, dst_bitmap, 0, 0,
13244                  frame_size_final, frame_size_final,
13245                  dst_x + j * tile_size + offset, dst_y + offset);
13246
13247       FreeBitmap(frame_bitmap);
13248     }
13249
13250     tmp_bitmap->surface_masked = NULL;
13251
13252     FreeBitmap(tmp_bitmap);
13253
13254     pos_collect_images++;
13255   }
13256
13257   if (SDL_SaveBMP(dst_bitmap->surface, filename) != 0)
13258     Fail("cannot save element collecting image file '%s'", filename);
13259
13260   FreeBitmap(dst_bitmap);
13261
13262   Info("Done.");
13263
13264   CloseAllAndExit(0);
13265 }
13266
13267
13268 // ----------------------------------------------------------------------------
13269 // create and save images for custom and group elements (raw BMP format)
13270 // ----------------------------------------------------------------------------
13271
13272 void CreateCustomElementImages(char *directory)
13273 {
13274   char *src_basename = "RocksCE-template.ilbm";
13275   char *dst_basename = "RocksCE.bmp";
13276   char *src_filename = getPath2(directory, src_basename);
13277   char *dst_filename = getPath2(directory, dst_basename);
13278   Bitmap *src_bitmap;
13279   Bitmap *bitmap;
13280   int yoffset_ce = 0;
13281   int yoffset_ge = (TILEY * NUM_CUSTOM_ELEMENTS / 16);
13282   int i;
13283
13284   InitVideoDefaults();
13285
13286   ReCreateBitmap(&backbuffer, video.width, video.height);
13287
13288   src_bitmap = LoadImage(src_filename);
13289
13290   bitmap = CreateBitmap(TILEX * 16 * 2,
13291                         TILEY * (NUM_CUSTOM_ELEMENTS + NUM_GROUP_ELEMENTS) / 16,
13292                         DEFAULT_DEPTH);
13293
13294   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
13295   {
13296     int x = i % 16;
13297     int y = i / 16;
13298     int ii = i + 1;
13299     int j;
13300
13301     BlitBitmap(src_bitmap, bitmap, 0, 0, TILEX, TILEY,
13302                TILEX * x, TILEY * y + yoffset_ce);
13303
13304     BlitBitmap(src_bitmap, bitmap, 0, TILEY,
13305                TILEX, TILEY,
13306                TILEX * x + TILEX * 16,
13307                TILEY * y + yoffset_ce);
13308
13309     for (j = 2; j >= 0; j--)
13310     {
13311       int c = ii % 10;
13312
13313       BlitBitmap(src_bitmap, bitmap,
13314                  TILEX + c * 7, 0, 6, 10,
13315                  TILEX * x + 6 + j * 7,
13316                  TILEY * y + 11 + yoffset_ce);
13317
13318       BlitBitmap(src_bitmap, bitmap,
13319                  TILEX + c * 8, TILEY, 6, 10,
13320                  TILEX * 16 + TILEX * x + 6 + j * 8,
13321                  TILEY * y + 10 + yoffset_ce);
13322
13323       ii /= 10;
13324     }
13325   }
13326
13327   for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
13328   {
13329     int x = i % 16;
13330     int y = i / 16;
13331     int ii = i + 1;
13332     int j;
13333
13334     BlitBitmap(src_bitmap, bitmap, 0, 0, TILEX, TILEY,
13335                TILEX * x, TILEY * y + yoffset_ge);
13336
13337     BlitBitmap(src_bitmap, bitmap, 0, TILEY,
13338                TILEX, TILEY,
13339                TILEX * x + TILEX * 16,
13340                TILEY * y + yoffset_ge);
13341
13342     for (j = 1; j >= 0; j--)
13343     {
13344       int c = ii % 10;
13345
13346       BlitBitmap(src_bitmap, bitmap, TILEX + c * 10, 11, 10, 10,
13347                  TILEX * x + 6 + j * 10,
13348                  TILEY * y + 11 + yoffset_ge);
13349
13350       BlitBitmap(src_bitmap, bitmap,
13351                  TILEX + c * 8, TILEY + 12, 6, 10,
13352                  TILEX * 16 + TILEX * x + 10 + j * 8,
13353                  TILEY * y + 10 + yoffset_ge);
13354
13355       ii /= 10;
13356     }
13357   }
13358
13359   if (SDL_SaveBMP(bitmap->surface, dst_filename) != 0)
13360     Fail("cannot save CE graphics file '%s'", dst_filename);
13361
13362   FreeBitmap(bitmap);
13363
13364   CloseAllAndExit(0);
13365 }