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
  63 #define LEVEL_CHUNK_CNT3_SIZE(x)         (LEVEL_CHUNK_CNT3_HEADER + (x))
  64 #define LEVEL_CHUNK_CUS3_SIZE(x)         (2 + (x) * LEVEL_CPART_CUS3_SIZE)
  65 #define LEVEL_CHUNK_CUS4_SIZE(x)         (96 + (x) * 48)
  66
  67 // file identifier strings
  68 #define LEVEL_COOKIE_TMPL               "ROCKSNDIAMONDS_LEVEL_FILE_VERSION_x.x"
  69 #define TAPE_COOKIE_TMPL                "ROCKSNDIAMONDS_TAPE_FILE_VERSION_x.x"
  70 #define SCORE_COOKIE                    "ROCKSNDIAMONDS_SCORE_FILE_VERSION_1.2"
  71
  72 // values for deciding when (not) to save configuration data
  73 #define SAVE_CONF_NEVER                 0
  74 #define SAVE_CONF_ALWAYS                1
  75 #define SAVE_CONF_WHEN_CHANGED          -1
  76
  77 // values for chunks using micro chunks
  78 #define CONF_MASK_1_BYTE                0x00
  79 #define CONF_MASK_2_BYTE                0x40
  80 #define CONF_MASK_4_BYTE                0x80
  81 #define CONF_MASK_MULTI_BYTES           0xc0
  82
  83 #define CONF_MASK_BYTES                 0xc0
  84 #define CONF_MASK_TOKEN                 0x3f
  85
  86 #define CONF_VALUE_1_BYTE(x)            (CONF_MASK_1_BYTE       | (x))
  87 #define CONF_VALUE_2_BYTE(x)            (CONF_MASK_2_BYTE       | (x))
  88 #define CONF_VALUE_4_BYTE(x)            (CONF_MASK_4_BYTE       | (x))
  89 #define CONF_VALUE_MULTI_BYTES(x)       (CONF_MASK_MULTI_BYTES  | (x))
  90
  91 // these definitions are just for convenience of use and readability
  92 #define CONF_VALUE_8_BIT(x)             CONF_VALUE_1_BYTE(x)
  93 #define CONF_VALUE_16_BIT(x)            CONF_VALUE_2_BYTE(x)
  94 #define CONF_VALUE_32_BIT(x)            CONF_VALUE_4_BYTE(x)
  95 #define CONF_VALUE_BYTES(x)             CONF_VALUE_MULTI_BYTES(x)
  96
  97 #define CONF_VALUE_NUM_BYTES(x)         ((x) == CONF_MASK_1_BYTE ? 1 :  \
  98                                          (x) == CONF_MASK_2_BYTE ? 2 :  \
  99                                          (x) == CONF_MASK_4_BYTE ? 4 : 0)
 100
 101 #define CONF_CONTENT_NUM_ELEMENTS       (3 * 3)
 102 #define CONF_CONTENT_NUM_BYTES          (CONF_CONTENT_NUM_ELEMENTS * 2)
 103 #define CONF_ELEMENT_NUM_BYTES          (2)
 104
 105 #define CONF_ENTITY_NUM_BYTES(t)        ((t) == TYPE_ELEMENT ||         \
 106                                          (t) == TYPE_ELEMENT_LIST ?     \
 107                                          CONF_ELEMENT_NUM_BYTES :       \
 108                                          (t) == TYPE_CONTENT ||         \
 109                                          (t) == TYPE_CONTENT_LIST ?     \
 110                                          CONF_CONTENT_NUM_BYTES : 1)
 111
 112 #define CONF_ELEMENT_BYTE_POS(i)        ((i) * CONF_ELEMENT_NUM_BYTES)
 113 #define CONF_ELEMENTS_ELEMENT(b,i)     ((b[CONF_ELEMENT_BYTE_POS(i)] << 8) |  \
 114                                         (b[CONF_ELEMENT_BYTE_POS(i) + 1]))
 115
 116 #define CONF_CONTENT_ELEMENT_POS(c,x,y) ((c) * CONF_CONTENT_NUM_ELEMENTS +    \
 117                                          (y) * 3 + (x))
 118 #define CONF_CONTENT_BYTE_POS(c,x,y)    (CONF_CONTENT_ELEMENT_POS(c,x,y) *    \
 119                                          CONF_ELEMENT_NUM_BYTES)
 120 #define CONF_CONTENTS_ELEMENT(b,c,x,y) ((b[CONF_CONTENT_BYTE_POS(c,x,y)]<< 8)|\
 121                                         (b[CONF_CONTENT_BYTE_POS(c,x,y) + 1]))
 122
 123 // temporary variables used to store pointers to structure members
 124 static struct LevelInfo li;
 125 static struct ElementInfo xx_ei, yy_ei;
 126 static struct ElementChangeInfo xx_change;
 127 static struct ElementGroupInfo xx_group;
 128 static struct EnvelopeInfo xx_envelope;
 129 static unsigned int xx_event_bits[NUM_CE_BITFIELDS];
 130 static char xx_default_description[MAX_ELEMENT_NAME_LEN + 1];
 131 static int xx_num_contents;
 132 static int xx_current_change_page;
 133 static char xx_default_string_empty[1] = "";
 134 static int xx_string_length_unused;
 135
 136 struct LevelFileConfigInfo
 137 {
 138   int element;                  // element for which data is to be stored
 139   int save_type;                // save data always, never or when changed
 140   int data_type;                // data type (used internally, not stored)
 141   int conf_type;                // micro chunk identifier (stored in file)
 142
 143   // (mandatory)
 144   void *value;                  // variable that holds the data to be stored
 145   int default_value;            // initial default value for this variable
 146
 147   // (optional)
 148   void *value_copy;             // variable that holds the data to be copied
 149   void *num_entities;           // number of entities for multi-byte data
 150   int default_num_entities;     // default number of entities for this data
 151   int max_num_entities;         // maximal number of entities for this data
 152   char *default_string;         // optional default string for string data
 153 };
 154
 155 static struct LevelFileConfigInfo chunk_config_INFO[] =
 156 {
 157   // ---------- values not related to single elements -------------------------
 158
 159   {
 160     -1,                                 SAVE_CONF_ALWAYS,
 161     TYPE_INTEGER,                       CONF_VALUE_8_BIT(1),
 162     &li.game_engine_type,               GAME_ENGINE_TYPE_RND
 163   },
 164
 165   {
 166     -1,                                 SAVE_CONF_ALWAYS,
 167     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 168     &li.fieldx,                         STD_LEV_FIELDX
 169   },
 170   {
 171     -1,                                 SAVE_CONF_ALWAYS,
 172     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 173     &li.fieldy,                         STD_LEV_FIELDY
 174   },
 175
 176   {
 177     -1,                                 SAVE_CONF_ALWAYS,
 178     TYPE_INTEGER,                       CONF_VALUE_16_BIT(3),
 179     &li.time,                           100
 180   },
 181
 182   {
 183     -1,                                 SAVE_CONF_ALWAYS,
 184     TYPE_INTEGER,                       CONF_VALUE_16_BIT(4),
 185     &li.gems_needed,                    0
 186   },
 187
 188   {
 189     -1,                                 -1,
 190     TYPE_INTEGER,                       CONF_VALUE_32_BIT(2),
 191     &li.random_seed,                    0
 192   },
 193
 194   {
 195     -1,                                 -1,
 196     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(2),
 197     &li.use_step_counter,               FALSE
 198   },
 199
 200   {
 201     -1,                                 -1,
 202     TYPE_BITFIELD,                      CONF_VALUE_8_BIT(4),
 203     &li.wind_direction_initial,         MV_NONE
 204   },
 205
 206   {
 207     -1,                                 -1,
 208     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(5),
 209     &li.em_slippery_gems,               FALSE
 210   },
 211
 212   {
 213     -1,                                 -1,
 214     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(6),
 215     &li.use_custom_template,            FALSE
 216   },
 217
 218   {
 219     -1,                                 -1,
 220     TYPE_BITFIELD,                      CONF_VALUE_32_BIT(1),
 221     &li.can_move_into_acid_bits,        ~0      // default: everything can
 222   },
 223
 224   {
 225     -1,                                 -1,
 226     TYPE_BITFIELD,                      CONF_VALUE_8_BIT(7),
 227     &li.dont_collide_with_bits,         ~0      // default: always deadly
 228   },
 229
 230   {
 231     -1,                                 -1,
 232     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(8),
 233     &li.em_explodes_by_fire,            FALSE
 234   },
 235
 236   {
 237     -1,                                 -1,
 238     TYPE_INTEGER,                       CONF_VALUE_16_BIT(5),
 239     &li.score[SC_TIME_BONUS],           1
 240   },
 241
 242   {
 243     -1,                                 -1,
 244     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(9),
 245     &li.auto_exit_sokoban,              FALSE
 246   },
 247
 248   {
 249     -1,                                 -1,
 250     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(10),
 251     &li.auto_count_gems,                FALSE
 252   },
 253
 254   {
 255     -1,                                 -1,
 256     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(11),
 257     &li.solved_by_one_player,           FALSE
 258   },
 259
 260   {
 261     -1,                                 -1,
 262     -1,                                 -1,
 263     NULL,                               -1
 264   }
 265 };
 266
 267 static struct LevelFileConfigInfo chunk_config_ELEM[] =
 268 {
 269   // (these values are the same for each player)
 270   {
 271     EL_PLAYER_1,                        -1,
 272     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 273     &li.block_last_field,               FALSE   // default case for EM levels
 274   },
 275   {
 276     EL_PLAYER_1,                        -1,
 277     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(2),
 278     &li.sp_block_last_field,            TRUE    // default case for SP levels
 279   },
 280   {
 281     EL_PLAYER_1,                        -1,
 282     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(3),
 283     &li.instant_relocation,             FALSE
 284   },
 285   {
 286     EL_PLAYER_1,                        -1,
 287     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(4),
 288     &li.can_pass_to_walkable,           FALSE
 289   },
 290   {
 291     EL_PLAYER_1,                        -1,
 292     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(5),
 293     &li.block_snap_field,               TRUE
 294   },
 295   {
 296     EL_PLAYER_1,                        -1,
 297     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(6),
 298     &li.continuous_snapping,            TRUE
 299   },
 300   {
 301     EL_PLAYER_1,                        -1,
 302     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(12),
 303     &li.shifted_relocation,             FALSE
 304   },
 305   {
 306     EL_PLAYER_1,                        -1,
 307     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(15),
 308     &li.lazy_relocation,                FALSE
 309   },
 310
 311   // (these values are different for each player)
 312   {
 313     EL_PLAYER_1,                        -1,
 314     TYPE_INTEGER,                       CONF_VALUE_8_BIT(7),
 315     &li.initial_player_stepsize[0],     STEPSIZE_NORMAL
 316   },
 317   {
 318     EL_PLAYER_1,                        -1,
 319     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(8),
 320     &li.initial_player_gravity[0],      FALSE
 321   },
 322   {
 323     EL_PLAYER_1,                        -1,
 324     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(9),
 325     &li.use_start_element[0],           FALSE
 326   },
 327   {
 328     EL_PLAYER_1,                        -1,
 329     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
 330     &li.start_element[0],               EL_PLAYER_1
 331   },
 332   {
 333     EL_PLAYER_1,                        -1,
 334     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(10),
 335     &li.use_artwork_element[0],         FALSE
 336   },
 337   {
 338     EL_PLAYER_1,                        -1,
 339     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(2),
 340     &li.artwork_element[0],             EL_PLAYER_1
 341   },
 342   {
 343     EL_PLAYER_1,                        -1,
 344     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(11),
 345     &li.use_explosion_element[0],       FALSE
 346   },
 347   {
 348     EL_PLAYER_1,                        -1,
 349     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(3),
 350     &li.explosion_element[0],           EL_PLAYER_1
 351   },
 352   {
 353     EL_PLAYER_1,                        -1,
 354     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(13),
 355     &li.use_initial_inventory[0],       FALSE
 356   },
 357   {
 358     EL_PLAYER_1,                        -1,
 359     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(14),
 360     &li.initial_inventory_size[0],      1
 361   },
 362   {
 363     EL_PLAYER_1,                        -1,
 364     TYPE_ELEMENT_LIST,                  CONF_VALUE_BYTES(1),
 365     &li.initial_inventory_content[0][0],EL_EMPTY, NULL,
 366     &li.initial_inventory_size[0],      1, MAX_INITIAL_INVENTORY_SIZE
 367   },
 368
 369   {
 370     EL_PLAYER_2,                        -1,
 371     TYPE_INTEGER,                       CONF_VALUE_8_BIT(7),
 372     &li.initial_player_stepsize[1],     STEPSIZE_NORMAL
 373   },
 374   {
 375     EL_PLAYER_2,                        -1,
 376     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(8),
 377     &li.initial_player_gravity[1],      FALSE
 378   },
 379   {
 380     EL_PLAYER_2,                        -1,
 381     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(9),
 382     &li.use_start_element[1],           FALSE
 383   },
 384   {
 385     EL_PLAYER_2,                        -1,
 386     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
 387     &li.start_element[1],               EL_PLAYER_2
 388   },
 389   {
 390     EL_PLAYER_2,                        -1,
 391     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(10),
 392     &li.use_artwork_element[1],         FALSE
 393   },
 394   {
 395     EL_PLAYER_2,                        -1,
 396     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(2),
 397     &li.artwork_element[1],             EL_PLAYER_2
 398   },
 399   {
 400     EL_PLAYER_2,                        -1,
 401     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(11),
 402     &li.use_explosion_element[1],       FALSE
 403   },
 404   {
 405     EL_PLAYER_2,                        -1,
 406     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(3),
 407     &li.explosion_element[1],           EL_PLAYER_2
 408   },
 409   {
 410     EL_PLAYER_2,                        -1,
 411     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(13),
 412     &li.use_initial_inventory[1],       FALSE
 413   },
 414   {
 415     EL_PLAYER_2,                        -1,
 416     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(14),
 417     &li.initial_inventory_size[1],      1
 418   },
 419   {
 420     EL_PLAYER_2,                        -1,
 421     TYPE_ELEMENT_LIST,                  CONF_VALUE_BYTES(1),
 422     &li.initial_inventory_content[1][0],EL_EMPTY, NULL,
 423     &li.initial_inventory_size[1],      1, MAX_INITIAL_INVENTORY_SIZE
 424   },
 425
 426   {
 427     EL_PLAYER_3,                        -1,
 428     TYPE_INTEGER,                       CONF_VALUE_8_BIT(7),
 429     &li.initial_player_stepsize[2],     STEPSIZE_NORMAL
 430   },
 431   {
 432     EL_PLAYER_3,                        -1,
 433     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(8),
 434     &li.initial_player_gravity[2],      FALSE
 435   },
 436   {
 437     EL_PLAYER_3,                        -1,
 438     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(9),
 439     &li.use_start_element[2],           FALSE
 440   },
 441   {
 442     EL_PLAYER_3,                        -1,
 443     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
 444     &li.start_element[2],               EL_PLAYER_3
 445   },
 446   {
 447     EL_PLAYER_3,                        -1,
 448     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(10),
 449     &li.use_artwork_element[2],         FALSE
 450   },
 451   {
 452     EL_PLAYER_3,                        -1,
 453     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(2),
 454     &li.artwork_element[2],             EL_PLAYER_3
 455   },
 456   {
 457     EL_PLAYER_3,                        -1,
 458     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(11),
 459     &li.use_explosion_element[2],       FALSE
 460   },
 461   {
 462     EL_PLAYER_3,                        -1,
 463     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(3),
 464     &li.explosion_element[2],           EL_PLAYER_3
 465   },
 466   {
 467     EL_PLAYER_3,                        -1,
 468     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(13),
 469     &li.use_initial_inventory[2],       FALSE
 470   },
 471   {
 472     EL_PLAYER_3,                        -1,
 473     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(14),
 474     &li.initial_inventory_size[2],      1
 475   },
 476   {
 477     EL_PLAYER_3,                        -1,
 478     TYPE_ELEMENT_LIST,                  CONF_VALUE_BYTES(1),
 479     &li.initial_inventory_content[2][0],EL_EMPTY, NULL,
 480     &li.initial_inventory_size[2],      1, MAX_INITIAL_INVENTORY_SIZE
 481   },
 482
 483   {
 484     EL_PLAYER_4,                        -1,
 485     TYPE_INTEGER,                       CONF_VALUE_8_BIT(7),
 486     &li.initial_player_stepsize[3],     STEPSIZE_NORMAL
 487   },
 488   {
 489     EL_PLAYER_4,                        -1,
 490     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(8),
 491     &li.initial_player_gravity[3],      FALSE
 492   },
 493   {
 494     EL_PLAYER_4,                        -1,
 495     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(9),
 496     &li.use_start_element[3],           FALSE
 497   },
 498   {
 499     EL_PLAYER_4,                        -1,
 500     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
 501     &li.start_element[3],               EL_PLAYER_4
 502   },
 503   {
 504     EL_PLAYER_4,                        -1,
 505     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(10),
 506     &li.use_artwork_element[3],         FALSE
 507   },
 508   {
 509     EL_PLAYER_4,                        -1,
 510     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(2),
 511     &li.artwork_element[3],             EL_PLAYER_4
 512   },
 513   {
 514     EL_PLAYER_4,                        -1,
 515     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(11),
 516     &li.use_explosion_element[3],       FALSE
 517   },
 518   {
 519     EL_PLAYER_4,                        -1,
 520     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(3),
 521     &li.explosion_element[3],           EL_PLAYER_4
 522   },
 523   {
 524     EL_PLAYER_4,                        -1,
 525     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(13),
 526     &li.use_initial_inventory[3],       FALSE
 527   },
 528   {
 529     EL_PLAYER_4,                        -1,
 530     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(14),
 531     &li.initial_inventory_size[3],      1
 532   },
 533   {
 534     EL_PLAYER_4,                        -1,
 535     TYPE_ELEMENT_LIST,                  CONF_VALUE_BYTES(1),
 536     &li.initial_inventory_content[3][0],EL_EMPTY, NULL,
 537     &li.initial_inventory_size[3],      1, MAX_INITIAL_INVENTORY_SIZE
 538   },
 539
 540   {
 541     EL_EMERALD,                         -1,
 542     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 543     &li.score[SC_EMERALD],              10
 544   },
 545
 546   {
 547     EL_DIAMOND,                         -1,
 548     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 549     &li.score[SC_DIAMOND],              10
 550   },
 551
 552   {
 553     EL_BUG,                             -1,
 554     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 555     &li.score[SC_BUG],                  10
 556   },
 557
 558   {
 559     EL_SPACESHIP,                       -1,
 560     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 561     &li.score[SC_SPACESHIP],            10
 562   },
 563
 564   {
 565     EL_PACMAN,                          -1,
 566     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 567     &li.score[SC_PACMAN],               10
 568   },
 569
 570   {
 571     EL_NUT,                             -1,
 572     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 573     &li.score[SC_NUT],                  10
 574   },
 575
 576   {
 577     EL_DYNAMITE,                        -1,
 578     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 579     &li.score[SC_DYNAMITE],             10
 580   },
 581
 582   {
 583     EL_KEY_1,                           -1,
 584     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 585     &li.score[SC_KEY],                  10
 586   },
 587
 588   {
 589     EL_PEARL,                           -1,
 590     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 591     &li.score[SC_PEARL],                10
 592   },
 593
 594   {
 595     EL_CRYSTAL,                         -1,
 596     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 597     &li.score[SC_CRYSTAL],              10
 598   },
 599
 600   {
 601     EL_BD_AMOEBA,                       -1,
 602     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
 603     &li.amoeba_content,                 EL_DIAMOND
 604   },
 605   {
 606     EL_BD_AMOEBA,                       -1,
 607     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 608     &li.amoeba_speed,                   10
 609   },
 610   {
 611     EL_BD_AMOEBA,                       -1,
 612     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 613     &li.grow_into_diggable,             TRUE
 614   },
 615
 616   {
 617     EL_YAMYAM,                          -1,
 618     TYPE_CONTENT_LIST,                  CONF_VALUE_BYTES(1),
 619     &li.yamyam_content,                 EL_ROCK, NULL,
 620     &li.num_yamyam_contents,            4, MAX_ELEMENT_CONTENTS
 621   },
 622   {
 623     EL_YAMYAM,                          -1,
 624     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 625     &li.score[SC_YAMYAM],               10
 626   },
 627
 628   {
 629     EL_ROBOT,                           -1,
 630     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 631     &li.score[SC_ROBOT],                10
 632   },
 633   {
 634     EL_ROBOT,                           -1,
 635     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 636     &li.slurp_score,                    10
 637   },
 638
 639   {
 640     EL_ROBOT_WHEEL,                     -1,
 641     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 642     &li.time_wheel,                     10
 643   },
 644
 645   {
 646     EL_MAGIC_WALL,                      -1,
 647     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 648     &li.time_magic_wall,                10
 649   },
 650
 651   {
 652     EL_GAME_OF_LIFE,                    -1,
 653     TYPE_INTEGER,                       CONF_VALUE_8_BIT(1),
 654     &li.game_of_life[0],                2
 655   },
 656   {
 657     EL_GAME_OF_LIFE,                    -1,
 658     TYPE_INTEGER,                       CONF_VALUE_8_BIT(2),
 659     &li.game_of_life[1],                3
 660   },
 661   {
 662     EL_GAME_OF_LIFE,                    -1,
 663     TYPE_INTEGER,                       CONF_VALUE_8_BIT(3),
 664     &li.game_of_life[2],                3
 665   },
 666   {
 667     EL_GAME_OF_LIFE,                    -1,
 668     TYPE_INTEGER,                       CONF_VALUE_8_BIT(4),
 669     &li.game_of_life[3],                3
 670   },
 671   {
 672     EL_GAME_OF_LIFE,                    -1,
 673     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(5),
 674     &li.use_life_bugs,                  FALSE
 675   },
 676
 677   {
 678     EL_BIOMAZE,                         -1,
 679     TYPE_INTEGER,                       CONF_VALUE_8_BIT(1),
 680     &li.biomaze[0],                     2
 681   },
 682   {
 683     EL_BIOMAZE,                         -1,
 684     TYPE_INTEGER,                       CONF_VALUE_8_BIT(2),
 685     &li.biomaze[1],                     3
 686   },
 687   {
 688     EL_BIOMAZE,                         -1,
 689     TYPE_INTEGER,                       CONF_VALUE_8_BIT(3),
 690     &li.biomaze[2],                     3
 691   },
 692   {
 693     EL_BIOMAZE,                         -1,
 694     TYPE_INTEGER,                       CONF_VALUE_8_BIT(4),
 695     &li.biomaze[3],                     3
 696   },
 697
 698   {
 699     EL_TIMEGATE_SWITCH,                 -1,
 700     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 701     &li.time_timegate,                  10
 702   },
 703
 704   {
 705     EL_LIGHT_SWITCH_ACTIVE,             -1,
 706     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 707     &li.time_light,                     10
 708   },
 709
 710   {
 711     EL_SHIELD_NORMAL,                   -1,
 712     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 713     &li.shield_normal_time,             10
 714   },
 715   {
 716     EL_SHIELD_NORMAL,                   -1,
 717     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 718     &li.score[SC_SHIELD],               10
 719   },
 720
 721   {
 722     EL_SHIELD_DEADLY,                   -1,
 723     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 724     &li.shield_deadly_time,             10
 725   },
 726   {
 727     EL_SHIELD_DEADLY,                   -1,
 728     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 729     &li.score[SC_SHIELD],               10
 730   },
 731
 732   {
 733     EL_EXTRA_TIME,                      -1,
 734     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 735     &li.extra_time,                     10
 736   },
 737   {
 738     EL_EXTRA_TIME,                      -1,
 739     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 740     &li.extra_time_score,               10
 741   },
 742
 743   {
 744     EL_TIME_ORB_FULL,                   -1,
 745     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 746     &li.time_orb_time,                  10
 747   },
 748   {
 749     EL_TIME_ORB_FULL,                   -1,
 750     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 751     &li.use_time_orb_bug,               FALSE
 752   },
 753
 754   {
 755     EL_SPRING,                          -1,
 756     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 757     &li.use_spring_bug,                 FALSE
 758   },
 759
 760   {
 761     EL_EMC_ANDROID,                     -1,
 762     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 763     &li.android_move_time,              10
 764   },
 765   {
 766     EL_EMC_ANDROID,                     -1,
 767     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 768     &li.android_clone_time,             10
 769   },
 770   {
 771     EL_EMC_ANDROID,                     SAVE_CONF_NEVER,
 772     TYPE_ELEMENT_LIST,                  CONF_VALUE_BYTES(1),
 773     &li.android_clone_element[0],       EL_EMPTY, NULL,
 774     &li.num_android_clone_elements,     1, MAX_ANDROID_ELEMENTS_OLD
 775   },
 776   {
 777     EL_EMC_ANDROID,                     -1,
 778     TYPE_ELEMENT_LIST,                  CONF_VALUE_BYTES(2),
 779     &li.android_clone_element[0],       EL_EMPTY, NULL,
 780     &li.num_android_clone_elements,     1, MAX_ANDROID_ELEMENTS
 781   },
 782
 783   {
 784     EL_EMC_LENSES,                      -1,
 785     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 786     &li.lenses_score,                   10
 787   },
 788   {
 789     EL_EMC_LENSES,                      -1,
 790     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 791     &li.lenses_time,                    10
 792   },
 793
 794   {
 795     EL_EMC_MAGNIFIER,                   -1,
 796     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 797     &li.magnify_score,                  10
 798   },
 799   {
 800     EL_EMC_MAGNIFIER,                   -1,
 801     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 802     &li.magnify_time,                   10
 803   },
 804
 805   {
 806     EL_EMC_MAGIC_BALL,                  -1,
 807     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 808     &li.ball_time,                      10
 809   },
 810   {
 811     EL_EMC_MAGIC_BALL,                  -1,
 812     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 813     &li.ball_random,                    FALSE
 814   },
 815   {
 816     EL_EMC_MAGIC_BALL,                  -1,
 817     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(2),
 818     &li.ball_active_initial,            FALSE
 819   },
 820   {
 821     EL_EMC_MAGIC_BALL,                  -1,
 822     TYPE_CONTENT_LIST,                  CONF_VALUE_BYTES(1),
 823     &li.ball_content,                   EL_EMPTY, NULL,
 824     &li.num_ball_contents,              4, MAX_ELEMENT_CONTENTS
 825   },
 826
 827   {
 828     EL_SOKOBAN_FIELD_EMPTY,             -1,
 829     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 830     &li.sb_fields_needed,               TRUE
 831   },
 832
 833   {
 834     EL_SOKOBAN_OBJECT,                  -1,
 835     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 836     &li.sb_objects_needed,              TRUE
 837   },
 838
 839   {
 840     EL_MM_MCDUFFIN,                     -1,
 841     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 842     &li.mm_laser_red,                   FALSE
 843   },
 844   {
 845     EL_MM_MCDUFFIN,                     -1,
 846     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(2),
 847     &li.mm_laser_green,                 FALSE
 848   },
 849   {
 850     EL_MM_MCDUFFIN,                     -1,
 851     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(3),
 852     &li.mm_laser_blue,                  TRUE
 853   },
 854
 855   {
 856     EL_DF_LASER,                        -1,
 857     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 858     &li.df_laser_red,                   TRUE
 859   },
 860   {
 861     EL_DF_LASER,                        -1,
 862     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(2),
 863     &li.df_laser_green,                 TRUE
 864   },
 865   {
 866     EL_DF_LASER,                        -1,
 867     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(3),
 868     &li.df_laser_blue,                  FALSE
 869   },
 870
 871   {
 872     EL_MM_FUSE_ACTIVE,                  -1,
 873     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 874     &li.mm_time_fuse,                   25
 875   },
 876   {
 877     EL_MM_BOMB,                         -1,
 878     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 879     &li.mm_time_bomb,                   75
 880   },
 881   {
 882     EL_MM_GRAY_BALL,                    -1,
 883     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 884     &li.mm_time_ball,                   75
 885   },
 886   {
 887     EL_MM_STEEL_BLOCK,                  -1,
 888     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 889     &li.mm_time_block,                  75
 890   },
 891   {
 892     EL_MM_LIGHTBALL,                    -1,
 893     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 894     &li.score[SC_ELEM_BONUS],           10
 895   },
 896
 897   // ---------- unused values -------------------------------------------------
 898
 899   {
 900     EL_UNKNOWN,                         SAVE_CONF_NEVER,
 901     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 902     &li.score[SC_UNKNOWN_15],           10
 903   },
 904
 905   {
 906     -1,                                 -1,
 907     -1,                                 -1,
 908     NULL,                               -1
 909   }
 910 };
 911
 912 static struct LevelFileConfigInfo chunk_config_NOTE[] =
 913 {
 914   {
 915     -1,                                 -1,
 916     TYPE_INTEGER,                       CONF_VALUE_8_BIT(1),
 917     &xx_envelope.xsize,                 MAX_ENVELOPE_XSIZE,
 918   },
 919   {
 920     -1,                                 -1,
 921     TYPE_INTEGER,                       CONF_VALUE_8_BIT(2),
 922     &xx_envelope.ysize,                 MAX_ENVELOPE_YSIZE,
 923   },
 924
 925   {
 926     -1,                                 -1,
 927     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(3),
 928     &xx_envelope.autowrap,              FALSE
 929   },
 930   {
 931     -1,                                 -1,
 932     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(4),
 933     &xx_envelope.centered,              FALSE
 934   },
 935
 936   {
 937     -1,                                 -1,
 938     TYPE_STRING,                        CONF_VALUE_BYTES(1),
 939     &xx_envelope.text,                  -1, NULL,
 940     &xx_string_length_unused,           -1, MAX_ENVELOPE_TEXT_LEN,
 941     &xx_default_string_empty[0]
 942   },
 943
 944   {
 945     -1,                                 -1,
 946     -1,                                 -1,
 947     NULL,                               -1
 948   }
 949 };
 950
 951 static struct LevelFileConfigInfo chunk_config_CUSX_base[] =
 952 {
 953   {
 954     -1,                                 -1,
 955     TYPE_STRING,                        CONF_VALUE_BYTES(1),
 956     &xx_ei.description[0],              -1,
 957     &yy_ei.description[0],
 958     &xx_string_length_unused,           -1, MAX_ELEMENT_NAME_LEN,
 959     &xx_default_description[0]
 960   },
 961
 962   {
 963     -1,                                 -1,
 964     TYPE_BITFIELD,                      CONF_VALUE_32_BIT(1),
 965     &xx_ei.properties[EP_BITFIELD_BASE_NR], EP_BITMASK_BASE_DEFAULT,
 966     &yy_ei.properties[EP_BITFIELD_BASE_NR]
 967   },
 968 #if ENABLE_RESERVED_CODE
 969   // (reserved for later use)
 970   {
 971     -1,                                 -1,
 972     TYPE_BITFIELD,                      CONF_VALUE_32_BIT(2),
 973     &xx_ei.properties[EP_BITFIELD_BASE_NR + 1], EP_BITMASK_DEFAULT,
 974     &yy_ei.properties[EP_BITFIELD_BASE_NR + 1]
 975   },
 976 #endif
 977
 978   {
 979     -1,                                 -1,
 980     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 981     &xx_ei.use_gfx_element,             FALSE,
 982     &yy_ei.use_gfx_element
 983   },
 984   {
 985     -1,                                 -1,
 986     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
 987     &xx_ei.gfx_element_initial,         EL_EMPTY_SPACE,
 988     &yy_ei.gfx_element_initial
 989   },
 990
 991   {
 992     -1,                                 -1,
 993     TYPE_BITFIELD,                      CONF_VALUE_8_BIT(2),
 994     &xx_ei.access_direction,            MV_ALL_DIRECTIONS,
 995     &yy_ei.access_direction
 996   },
 997
 998   {
 999     -1,                                 -1,
1000     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
1001     &xx_ei.collect_score_initial,       10,
1002     &yy_ei.collect_score_initial
1003   },
1004   {
1005     -1,                                 -1,
1006     TYPE_INTEGER,                       CONF_VALUE_16_BIT(3),
1007     &xx_ei.collect_count_initial,       1,
1008     &yy_ei.collect_count_initial
1009   },
1010
1011   {
1012     -1,                                 -1,
1013     TYPE_INTEGER,                       CONF_VALUE_16_BIT(4),
1014     &xx_ei.ce_value_fixed_initial,      0,
1015     &yy_ei.ce_value_fixed_initial
1016   },
1017   {
1018     -1,                                 -1,
1019     TYPE_INTEGER,                       CONF_VALUE_16_BIT(5),
1020     &xx_ei.ce_value_random_initial,     0,
1021     &yy_ei.ce_value_random_initial
1022   },
1023   {
1024     -1,                                 -1,
1025     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(3),
1026     &xx_ei.use_last_ce_value,           FALSE,
1027     &yy_ei.use_last_ce_value
1028   },
1029
1030   {
1031     -1,                                 -1,
1032     TYPE_INTEGER,                       CONF_VALUE_16_BIT(6),
1033     &xx_ei.push_delay_fixed,            8,
1034     &yy_ei.push_delay_fixed
1035   },
1036   {
1037     -1,                                 -1,
1038     TYPE_INTEGER,                       CONF_VALUE_16_BIT(7),
1039     &xx_ei.push_delay_random,           8,
1040     &yy_ei.push_delay_random
1041   },
1042   {
1043     -1,                                 -1,
1044     TYPE_INTEGER,                       CONF_VALUE_16_BIT(8),
1045     &xx_ei.drop_delay_fixed,            0,
1046     &yy_ei.drop_delay_fixed
1047   },
1048   {
1049     -1,                                 -1,
1050     TYPE_INTEGER,                       CONF_VALUE_16_BIT(9),
1051     &xx_ei.drop_delay_random,           0,
1052     &yy_ei.drop_delay_random
1053   },
1054   {
1055     -1,                                 -1,
1056     TYPE_INTEGER,                       CONF_VALUE_16_BIT(10),
1057     &xx_ei.move_delay_fixed,            0,
1058     &yy_ei.move_delay_fixed
1059   },
1060   {
1061     -1,                                 -1,
1062     TYPE_INTEGER,                       CONF_VALUE_16_BIT(11),
1063     &xx_ei.move_delay_random,           0,
1064     &yy_ei.move_delay_random
1065   },
1066
1067   {
1068     -1,                                 -1,
1069     TYPE_BITFIELD,                      CONF_VALUE_32_BIT(3),
1070     &xx_ei.move_pattern,                MV_ALL_DIRECTIONS,
1071     &yy_ei.move_pattern
1072   },
1073   {
1074     -1,                                 -1,
1075     TYPE_BITFIELD,                      CONF_VALUE_8_BIT(4),
1076     &xx_ei.move_direction_initial,      MV_START_AUTOMATIC,
1077     &yy_ei.move_direction_initial
1078   },
1079   {
1080     -1,                                 -1,
1081     TYPE_INTEGER,                       CONF_VALUE_8_BIT(5),
1082     &xx_ei.move_stepsize,               TILEX / 8,
1083     &yy_ei.move_stepsize
1084   },
1085
1086   {
1087     -1,                                 -1,
1088     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(12),
1089     &xx_ei.move_enter_element,          EL_EMPTY_SPACE,
1090     &yy_ei.move_enter_element
1091   },
1092   {
1093     -1,                                 -1,
1094     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(13),
1095     &xx_ei.move_leave_element,          EL_EMPTY_SPACE,
1096     &yy_ei.move_leave_element
1097   },
1098   {
1099     -1,                                 -1,
1100     TYPE_INTEGER,                       CONF_VALUE_8_BIT(6),
1101     &xx_ei.move_leave_type,             LEAVE_TYPE_UNLIMITED,
1102     &yy_ei.move_leave_type
1103   },
1104
1105   {
1106     -1,                                 -1,
1107     TYPE_INTEGER,                       CONF_VALUE_8_BIT(7),
1108     &xx_ei.slippery_type,               SLIPPERY_ANY_RANDOM,
1109     &yy_ei.slippery_type
1110   },
1111
1112   {
1113     -1,                                 -1,
1114     TYPE_INTEGER,                       CONF_VALUE_8_BIT(8),
1115     &xx_ei.explosion_type,              EXPLODES_3X3,
1116     &yy_ei.explosion_type
1117   },
1118   {
1119     -1,                                 -1,
1120     TYPE_INTEGER,                       CONF_VALUE_16_BIT(14),
1121     &xx_ei.explosion_delay,             16,
1122     &yy_ei.explosion_delay
1123   },
1124   {
1125     -1,                                 -1,
1126     TYPE_INTEGER,                       CONF_VALUE_16_BIT(15),
1127     &xx_ei.ignition_delay,              8,
1128     &yy_ei.ignition_delay
1129   },
1130
1131   {
1132     -1,                                 -1,
1133     TYPE_CONTENT_LIST,                  CONF_VALUE_BYTES(2),
1134     &xx_ei.content,                     EL_EMPTY_SPACE,
1135     &yy_ei.content,
1136     &xx_num_contents,                   1, 1
1137   },
1138
1139   // ---------- "num_change_pages" must be the last entry ---------------------
1140
1141   {
1142     -1,                                 SAVE_CONF_ALWAYS,
1143     TYPE_INTEGER,                       CONF_VALUE_8_BIT(9),
1144     &xx_ei.num_change_pages,            1,
1145     &yy_ei.num_change_pages
1146   },
1147
1148   {
1149     -1,                                 -1,
1150     -1,                                 -1,
1151     NULL,                               -1,
1152     NULL
1153   }
1154 };
1155
1156 static struct LevelFileConfigInfo chunk_config_CUSX_change[] =
1157 {
1158   // ---------- "current_change_page" must be the first entry -----------------
1159
1160   {
1161     -1,                                 SAVE_CONF_ALWAYS,
1162     TYPE_INTEGER,                       CONF_VALUE_8_BIT(1),
1163     &xx_current_change_page,            -1
1164   },
1165
1166   // ---------- (the remaining entries can be in any order) -------------------
1167
1168   {
1169     -1,                                 -1,
1170     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(2),
1171     &xx_change.can_change,              FALSE
1172   },
1173
1174   {
1175     -1,                                 -1,
1176     TYPE_BITFIELD,                      CONF_VALUE_32_BIT(1),
1177     &xx_event_bits[0],                  0
1178   },
1179   {
1180     -1,                                 -1,
1181     TYPE_BITFIELD,                      CONF_VALUE_32_BIT(2),
1182     &xx_event_bits[1],                  0
1183   },
1184
1185   {
1186     -1,                                 -1,
1187     TYPE_BITFIELD,                      CONF_VALUE_8_BIT(3),
1188     &xx_change.trigger_player,          CH_PLAYER_ANY
1189   },
1190   {
1191     -1,                                 -1,
1192     TYPE_BITFIELD,                      CONF_VALUE_8_BIT(4),
1193     &xx_change.trigger_side,            CH_SIDE_ANY
1194   },
1195   {
1196     -1,                                 -1,
1197     TYPE_BITFIELD,                      CONF_VALUE_32_BIT(3),
1198     &xx_change.trigger_page,            CH_PAGE_ANY
1199   },
1200
1201   {
1202     -1,                                 -1,
1203     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
1204     &xx_change.target_element,          EL_EMPTY_SPACE
1205   },
1206
1207   {
1208     -1,                                 -1,
1209     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
1210     &xx_change.delay_fixed,             0
1211   },
1212   {
1213     -1,                                 -1,
1214     TYPE_INTEGER,                       CONF_VALUE_16_BIT(3),
1215     &xx_change.delay_random,            0
1216   },
1217   {
1218     -1,                                 -1,
1219     TYPE_INTEGER,                       CONF_VALUE_16_BIT(4),
1220     &xx_change.delay_frames,            FRAMES_PER_SECOND
1221   },
1222
1223   {
1224     -1,                                 -1,
1225     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(5),
1226     &xx_change.initial_trigger_element, EL_EMPTY_SPACE
1227   },
1228
1229   {
1230     -1,                                 -1,
1231     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(6),
1232     &xx_change.explode,                 FALSE
1233   },
1234   {
1235     -1,                                 -1,
1236     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(7),
1237     &xx_change.use_target_content,      FALSE
1238   },
1239   {
1240     -1,                                 -1,
1241     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(8),
1242     &xx_change.only_if_complete,        FALSE
1243   },
1244   {
1245     -1,                                 -1,
1246     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(9),
1247     &xx_change.use_random_replace,      FALSE
1248   },
1249   {
1250     -1,                                 -1,
1251     TYPE_INTEGER,                       CONF_VALUE_8_BIT(10),
1252     &xx_change.random_percentage,       100
1253   },
1254   {
1255     -1,                                 -1,
1256     TYPE_INTEGER,                       CONF_VALUE_8_BIT(11),
1257     &xx_change.replace_when,            CP_WHEN_EMPTY
1258   },
1259
1260   {
1261     -1,                                 -1,
1262     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(12),
1263     &xx_change.has_action,              FALSE
1264   },
1265   {
1266     -1,                                 -1,
1267     TYPE_INTEGER,                       CONF_VALUE_8_BIT(13),
1268     &xx_change.action_type,             CA_NO_ACTION
1269   },
1270   {
1271     -1,                                 -1,
1272     TYPE_INTEGER,                       CONF_VALUE_8_BIT(14),
1273     &xx_change.action_mode,             CA_MODE_UNDEFINED
1274   },
1275   {
1276     -1,                                 -1,
1277     TYPE_INTEGER,                       CONF_VALUE_16_BIT(6),
1278     &xx_change.action_arg,              CA_ARG_UNDEFINED
1279   },
1280
1281   {
1282     -1,                                 -1,
1283     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(7),
1284     &xx_change.action_element,          EL_EMPTY_SPACE
1285   },
1286
1287   {
1288     -1,                                 -1,
1289     TYPE_CONTENT_LIST,                  CONF_VALUE_BYTES(1),
1290     &xx_change.target_content,          EL_EMPTY_SPACE, NULL,
1291     &xx_num_contents,                   1, 1
1292   },
1293
1294   {
1295     -1,                                 -1,
1296     -1,                                 -1,
1297     NULL,                               -1
1298   }
1299 };
1300
1301 static struct LevelFileConfigInfo chunk_config_GRPX[] =
1302 {
1303   {
1304     -1,                                 -1,
1305     TYPE_STRING,                        CONF_VALUE_BYTES(1),
1306     &xx_ei.description[0],              -1, NULL,
1307     &xx_string_length_unused,           -1, MAX_ELEMENT_NAME_LEN,
1308     &xx_default_description[0]
1309   },
1310
1311   {
1312     -1,                                 -1,
1313     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
1314     &xx_ei.use_gfx_element,             FALSE
1315   },
1316   {
1317     -1,                                 -1,
1318     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
1319     &xx_ei.gfx_element_initial,         EL_EMPTY_SPACE
1320   },
1321
1322   {
1323     -1,                                 -1,
1324     TYPE_INTEGER,                       CONF_VALUE_8_BIT(2),
1325     &xx_group.choice_mode,              ANIM_RANDOM
1326   },
1327
1328   {
1329     -1,                                 -1,
1330     TYPE_ELEMENT_LIST,                  CONF_VALUE_BYTES(2),
1331     &xx_group.element[0],               EL_EMPTY_SPACE, NULL,
1332     &xx_group.num_elements,             1, MAX_ELEMENTS_IN_GROUP
1333   },
1334
1335   {
1336     -1,                                 -1,
1337     -1,                                 -1,
1338     NULL,                               -1
1339   }
1340 };
1341
1342 static struct LevelFileConfigInfo chunk_config_CONF[] =         // (OBSOLETE)
1343 {
1344   {
1345     EL_PLAYER_1,                        -1,
1346     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(9),
1347     &li.block_snap_field,               TRUE
1348   },
1349   {
1350     EL_PLAYER_1,                        -1,
1351     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(13),
1352     &li.continuous_snapping,            TRUE
1353   },
1354   {
1355     EL_PLAYER_1,                        -1,
1356     TYPE_INTEGER,                       CONF_VALUE_8_BIT(1),
1357     &li.initial_player_stepsize[0],     STEPSIZE_NORMAL
1358   },
1359   {
1360     EL_PLAYER_1,                        -1,
1361     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(10),
1362     &li.use_start_element[0],           FALSE
1363   },
1364   {
1365     EL_PLAYER_1,                        -1,
1366     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
1367     &li.start_element[0],               EL_PLAYER_1
1368   },
1369   {
1370     EL_PLAYER_1,                        -1,
1371     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(11),
1372     &li.use_artwork_element[0],         FALSE
1373   },
1374   {
1375     EL_PLAYER_1,                        -1,
1376     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(2),
1377     &li.artwork_element[0],             EL_PLAYER_1
1378   },
1379   {
1380     EL_PLAYER_1,                        -1,
1381     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(12),
1382     &li.use_explosion_element[0],       FALSE
1383   },
1384   {
1385     EL_PLAYER_1,                        -1,
1386     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(3),
1387     &li.explosion_element[0],           EL_PLAYER_1
1388   },
1389
1390   {
1391     -1,                                 -1,
1392     -1,                                 -1,
1393     NULL,                               -1
1394   }
1395 };
1396
1397 static struct
1398 {
1399   int filetype;
1400   char *id;
1401 }
1402 filetype_id_list[] =
1403 {
1404   { LEVEL_FILE_TYPE_RND,        "RND"   },
1405   { LEVEL_FILE_TYPE_BD,         "BD"    },
1406   { LEVEL_FILE_TYPE_EM,         "EM"    },
1407   { LEVEL_FILE_TYPE_SP,         "SP"    },
1408   { LEVEL_FILE_TYPE_DX,         "DX"    },
1409   { LEVEL_FILE_TYPE_SB,         "SB"    },
1410   { LEVEL_FILE_TYPE_DC,         "DC"    },
1411   { LEVEL_FILE_TYPE_MM,         "MM"    },
1412   { LEVEL_FILE_TYPE_MM,         "DF"    },
1413   { -1,                         NULL    },
1414 };
1415
1416
1417 // ============================================================================
1418 // level file functions
1419 // ============================================================================
1420
1421 static boolean check_special_flags(char *flag)
1422 {
1423   if (strEqual(options.special_flags, flag) ||
1424       strEqual(leveldir_current->special_flags, flag))
1425     return TRUE;
1426
1427   return FALSE;
1428 }
1429
1430 static struct DateInfo getCurrentDate(void)
1431 {
1432   time_t epoch_seconds = time(NULL);
1433   struct tm *now = localtime(&epoch_seconds);
1434   struct DateInfo date;
1435
1436   date.year  = now->tm_year + 1900;
1437   date.month = now->tm_mon  + 1;
1438   date.day   = now->tm_mday;
1439
1440   date.src   = DATE_SRC_CLOCK;
1441
1442   return date;
1443 }
1444
1445 static void resetEventFlags(struct ElementChangeInfo *change)
1446 {
1447   int i;
1448
1449   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
1450     change->has_event[i] = FALSE;
1451 }
1452
1453 static void resetEventBits(void)
1454 {
1455   int i;
1456
1457   for (i = 0; i < NUM_CE_BITFIELDS; i++)
1458     xx_event_bits[i] = 0;
1459 }
1460
1461 static void setEventFlagsFromEventBits(struct ElementChangeInfo *change)
1462 {
1463   int i;
1464
1465   /* important: only change event flag if corresponding event bit is set
1466      (this is because all xx_event_bits[] values are loaded separately,
1467      and all xx_event_bits[] values are set back to zero before loading
1468      another value xx_event_bits[x] (each value representing 32 flags)) */
1469
1470   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
1471     if (xx_event_bits[CH_EVENT_BITFIELD_NR(i)] & CH_EVENT_BIT(i))
1472       change->has_event[i] = TRUE;
1473 }
1474
1475 static void setEventBitsFromEventFlags(struct ElementChangeInfo *change)
1476 {
1477   int i;
1478
1479   /* in contrast to the above function setEventFlagsFromEventBits(), it
1480      would also be possible to set all bits in xx_event_bits[] to 0 or 1
1481      depending on the corresponding change->has_event[i] values here, as
1482      all xx_event_bits[] values are reset in resetEventBits() before */
1483
1484   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
1485     if (change->has_event[i])
1486       xx_event_bits[CH_EVENT_BITFIELD_NR(i)] |= CH_EVENT_BIT(i);
1487 }
1488
1489 static char *getDefaultElementDescription(struct ElementInfo *ei)
1490 {
1491   static char description[MAX_ELEMENT_NAME_LEN + 1];
1492   char *default_description = (ei->custom_description != NULL ?
1493                                ei->custom_description :
1494                                ei->editor_description);
1495   int i;
1496
1497   // always start with reliable default values
1498   for (i = 0; i < MAX_ELEMENT_NAME_LEN + 1; i++)
1499     description[i] = '\0';
1500
1501   // truncate element description to MAX_ELEMENT_NAME_LEN bytes
1502   strncpy(description, default_description, MAX_ELEMENT_NAME_LEN);
1503
1504   return &description[0];
1505 }
1506
1507 static void setElementDescriptionToDefault(struct ElementInfo *ei)
1508 {
1509   char *default_description = getDefaultElementDescription(ei);
1510   int i;
1511
1512   for (i = 0; i < MAX_ELEMENT_NAME_LEN + 1; i++)
1513     ei->description[i] = default_description[i];
1514 }
1515
1516 static void setConfigToDefaultsFromConfigList(struct LevelFileConfigInfo *conf)
1517 {
1518   int i;
1519
1520   for (i = 0; conf[i].data_type != -1; i++)
1521   {
1522     int default_value = conf[i].default_value;
1523     int data_type = conf[i].data_type;
1524     int conf_type = conf[i].conf_type;
1525     int byte_mask = conf_type & CONF_MASK_BYTES;
1526
1527     if (byte_mask == CONF_MASK_MULTI_BYTES)
1528     {
1529       int default_num_entities = conf[i].default_num_entities;
1530       int max_num_entities = conf[i].max_num_entities;
1531
1532       *(int *)(conf[i].num_entities) = default_num_entities;
1533
1534       if (data_type == TYPE_STRING)
1535       {
1536         char *default_string = conf[i].default_string;
1537         char *string = (char *)(conf[i].value);
1538
1539         strncpy(string, default_string, max_num_entities);
1540       }
1541       else if (data_type == TYPE_ELEMENT_LIST)
1542       {
1543         int *element_array = (int *)(conf[i].value);
1544         int j;
1545
1546         for (j = 0; j < max_num_entities; j++)
1547           element_array[j] = default_value;
1548       }
1549       else if (data_type == TYPE_CONTENT_LIST)
1550       {
1551         struct Content *content = (struct Content *)(conf[i].value);
1552         int c, x, y;
1553
1554         for (c = 0; c < max_num_entities; c++)
1555           for (y = 0; y < 3; y++)
1556             for (x = 0; x < 3; x++)
1557               content[c].e[x][y] = default_value;
1558       }
1559     }
1560     else        // constant size configuration data (1, 2 or 4 bytes)
1561     {
1562       if (data_type == TYPE_BOOLEAN)
1563         *(boolean *)(conf[i].value) = default_value;
1564       else
1565         *(int *)    (conf[i].value) = default_value;
1566     }
1567   }
1568 }
1569
1570 static void copyConfigFromConfigList(struct LevelFileConfigInfo *conf)
1571 {
1572   int i;
1573
1574   for (i = 0; conf[i].data_type != -1; i++)
1575   {
1576     int data_type = conf[i].data_type;
1577     int conf_type = conf[i].conf_type;
1578     int byte_mask = conf_type & CONF_MASK_BYTES;
1579
1580     if (byte_mask == CONF_MASK_MULTI_BYTES)
1581     {
1582       int max_num_entities = conf[i].max_num_entities;
1583
1584       if (data_type == TYPE_STRING)
1585       {
1586         char *string      = (char *)(conf[i].value);
1587         char *string_copy = (char *)(conf[i].value_copy);
1588
1589         strncpy(string_copy, string, max_num_entities);
1590       }
1591       else if (data_type == TYPE_ELEMENT_LIST)
1592       {
1593         int *element_array      = (int *)(conf[i].value);
1594         int *element_array_copy = (int *)(conf[i].value_copy);
1595         int j;
1596
1597         for (j = 0; j < max_num_entities; j++)
1598           element_array_copy[j] = element_array[j];
1599       }
1600       else if (data_type == TYPE_CONTENT_LIST)
1601       {
1602         struct Content *content      = (struct Content *)(conf[i].value);
1603         struct Content *content_copy = (struct Content *)(conf[i].value_copy);
1604         int c, x, y;
1605
1606         for (c = 0; c < max_num_entities; c++)
1607           for (y = 0; y < 3; y++)
1608             for (x = 0; x < 3; x++)
1609               content_copy[c].e[x][y] = content[c].e[x][y];
1610       }
1611     }
1612     else        // constant size configuration data (1, 2 or 4 bytes)
1613     {
1614       if (data_type == TYPE_BOOLEAN)
1615         *(boolean *)(conf[i].value_copy) = *(boolean *)(conf[i].value);
1616       else
1617         *(int *)    (conf[i].value_copy) = *(int *)    (conf[i].value);
1618     }
1619   }
1620 }
1621
1622 void copyElementInfo(struct ElementInfo *ei_from, struct ElementInfo *ei_to)
1623 {
1624   int i;
1625
1626   xx_ei = *ei_from;     // copy element data into temporary buffer
1627   yy_ei = *ei_to;       // copy element data into temporary buffer
1628
1629   copyConfigFromConfigList(chunk_config_CUSX_base);
1630
1631   *ei_from = xx_ei;
1632   *ei_to   = yy_ei;
1633
1634   // ---------- reinitialize and copy change pages ----------
1635
1636   ei_to->num_change_pages = ei_from->num_change_pages;
1637   ei_to->current_change_page = ei_from->current_change_page;
1638
1639   setElementChangePages(ei_to, ei_to->num_change_pages);
1640
1641   for (i = 0; i < ei_to->num_change_pages; i++)
1642     ei_to->change_page[i] = ei_from->change_page[i];
1643
1644   // ---------- copy group element info ----------
1645   if (ei_from->group != NULL && ei_to->group != NULL)   // group or internal
1646     *ei_to->group = *ei_from->group;
1647
1648   // mark this custom element as modified
1649   ei_to->modified_settings = TRUE;
1650 }
1651
1652 void setElementChangePages(struct ElementInfo *ei, int change_pages)
1653 {
1654   int change_page_size = sizeof(struct ElementChangeInfo);
1655
1656   ei->num_change_pages = MAX(1, change_pages);
1657
1658   ei->change_page =
1659     checked_realloc(ei->change_page, ei->num_change_pages * change_page_size);
1660
1661   if (ei->current_change_page >= ei->num_change_pages)
1662     ei->current_change_page = ei->num_change_pages - 1;
1663
1664   ei->change = &ei->change_page[ei->current_change_page];
1665 }
1666
1667 void setElementChangeInfoToDefaults(struct ElementChangeInfo *change)
1668 {
1669   xx_change = *change;          // copy change data into temporary buffer
1670
1671   setConfigToDefaultsFromConfigList(chunk_config_CUSX_change);
1672
1673   *change = xx_change;
1674
1675   resetEventFlags(change);
1676
1677   change->direct_action = 0;
1678   change->other_action = 0;
1679
1680   change->pre_change_function = NULL;
1681   change->change_function = NULL;
1682   change->post_change_function = NULL;
1683 }
1684
1685 static void setLevelInfoToDefaults_Level(struct LevelInfo *level)
1686 {
1687   int i, x, y;
1688
1689   li = *level;          // copy level data into temporary buffer
1690   setConfigToDefaultsFromConfigList(chunk_config_INFO);
1691   *level = li;          // copy temporary buffer back to level data
1692
1693   setLevelInfoToDefaults_EM();
1694   setLevelInfoToDefaults_SP();
1695   setLevelInfoToDefaults_MM();
1696
1697   level->native_em_level = &native_em_level;
1698   level->native_sp_level = &native_sp_level;
1699   level->native_mm_level = &native_mm_level;
1700
1701   level->file_version = FILE_VERSION_ACTUAL;
1702   level->game_version = GAME_VERSION_ACTUAL;
1703
1704   level->creation_date = getCurrentDate();
1705
1706   level->encoding_16bit_field  = TRUE;
1707   level->encoding_16bit_yamyam = TRUE;
1708   level->encoding_16bit_amoeba = TRUE;
1709
1710   // clear level name and level author string buffers
1711   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
1712     level->name[i] = '\0';
1713   for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++)
1714     level->author[i] = '\0';
1715
1716   // set level name and level author to default values
1717   strcpy(level->name, NAMELESS_LEVEL_NAME);
1718   strcpy(level->author, ANONYMOUS_NAME);
1719
1720   // set level playfield to playable default level with player and exit
1721   for (x = 0; x < MAX_LEV_FIELDX; x++)
1722     for (y = 0; y < MAX_LEV_FIELDY; y++)
1723       level->field[x][y] = EL_SAND;
1724
1725   level->field[0][0] = EL_PLAYER_1;
1726   level->field[STD_LEV_FIELDX - 1][STD_LEV_FIELDY - 1] = EL_EXIT_CLOSED;
1727
1728   BorderElement = EL_STEELWALL;
1729
1730   // detect custom elements when loading them
1731   level->file_has_custom_elements = FALSE;
1732
1733   // set all bug compatibility flags to "false" => do not emulate this bug
1734   level->use_action_after_change_bug = FALSE;
1735
1736   if (leveldir_current)
1737   {
1738     // try to determine better author name than 'anonymous'
1739     if (!strEqual(leveldir_current->author, ANONYMOUS_NAME))
1740     {
1741       strncpy(level->author, leveldir_current->author, MAX_LEVEL_AUTHOR_LEN);
1742       level->author[MAX_LEVEL_AUTHOR_LEN] = '\0';
1743     }
1744     else
1745     {
1746       switch (LEVELCLASS(leveldir_current))
1747       {
1748         case LEVELCLASS_TUTORIAL:
1749           strcpy(level->author, PROGRAM_AUTHOR_STRING);
1750           break;
1751
1752         case LEVELCLASS_CONTRIB:
1753           strncpy(level->author, leveldir_current->name, MAX_LEVEL_AUTHOR_LEN);
1754           level->author[MAX_LEVEL_AUTHOR_LEN] = '\0';
1755           break;
1756
1757         case LEVELCLASS_PRIVATE:
1758           strncpy(level->author, getRealName(), MAX_LEVEL_AUTHOR_LEN);
1759           level->author[MAX_LEVEL_AUTHOR_LEN] = '\0';
1760           break;
1761
1762         default:
1763           // keep default value
1764           break;
1765       }
1766     }
1767   }
1768 }
1769
1770 static void setLevelInfoToDefaults_Elements(struct LevelInfo *level)
1771 {
1772   static boolean clipboard_elements_initialized = FALSE;
1773   int i;
1774
1775   InitElementPropertiesStatic();
1776
1777   li = *level;          // copy level data into temporary buffer
1778   setConfigToDefaultsFromConfigList(chunk_config_ELEM);
1779   *level = li;          // copy temporary buffer back to level data
1780
1781   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
1782   {
1783     int element = i;
1784     struct ElementInfo *ei = &element_info[element];
1785
1786     // never initialize clipboard elements after the very first time
1787     // (to be able to use clipboard elements between several levels)
1788     if (IS_CLIPBOARD_ELEMENT(element) && clipboard_elements_initialized)
1789       continue;
1790
1791     if (IS_ENVELOPE(element))
1792     {
1793       int envelope_nr = element - EL_ENVELOPE_1;
1794
1795       setConfigToDefaultsFromConfigList(chunk_config_NOTE);
1796
1797       level->envelope[envelope_nr] = xx_envelope;
1798     }
1799
1800     if (IS_CUSTOM_ELEMENT(element) ||
1801         IS_GROUP_ELEMENT(element) ||
1802         IS_INTERNAL_ELEMENT(element))
1803     {
1804       xx_ei = *ei;      // copy element data into temporary buffer
1805
1806       setConfigToDefaultsFromConfigList(chunk_config_CUSX_base);
1807
1808       *ei = xx_ei;
1809     }
1810
1811     setElementChangePages(ei, 1);
1812     setElementChangeInfoToDefaults(ei->change);
1813
1814     if (IS_CUSTOM_ELEMENT(element) ||
1815         IS_GROUP_ELEMENT(element) ||
1816         IS_INTERNAL_ELEMENT(element))
1817     {
1818       setElementDescriptionToDefault(ei);
1819
1820       ei->modified_settings = FALSE;
1821     }
1822
1823     if (IS_CUSTOM_ELEMENT(element) ||
1824         IS_INTERNAL_ELEMENT(element))
1825     {
1826       // internal values used in level editor
1827
1828       ei->access_type = 0;
1829       ei->access_layer = 0;
1830       ei->access_protected = 0;
1831       ei->walk_to_action = 0;
1832       ei->smash_targets = 0;
1833       ei->deadliness = 0;
1834
1835       ei->can_explode_by_fire = FALSE;
1836       ei->can_explode_smashed = FALSE;
1837       ei->can_explode_impact = FALSE;
1838
1839       ei->current_change_page = 0;
1840     }
1841
1842     if (IS_GROUP_ELEMENT(element) ||
1843         IS_INTERNAL_ELEMENT(element))
1844     {
1845       struct ElementGroupInfo *group;
1846
1847       // initialize memory for list of elements in group
1848       if (ei->group == NULL)
1849         ei->group = checked_malloc(sizeof(struct ElementGroupInfo));
1850
1851       group = ei->group;
1852
1853       xx_group = *group;        // copy group data into temporary buffer
1854
1855       setConfigToDefaultsFromConfigList(chunk_config_GRPX);
1856
1857       *group = xx_group;
1858     }
1859   }
1860
1861   clipboard_elements_initialized = TRUE;
1862 }
1863
1864 static void setLevelInfoToDefaults(struct LevelInfo *level,
1865                                    boolean level_info_only,
1866                                    boolean reset_file_status)
1867 {
1868   setLevelInfoToDefaults_Level(level);
1869
1870   if (!level_info_only)
1871     setLevelInfoToDefaults_Elements(level);
1872
1873   if (reset_file_status)
1874   {
1875     level->no_valid_file = FALSE;
1876     level->no_level_file = FALSE;
1877   }
1878
1879   level->changed = FALSE;
1880 }
1881
1882 static void setFileInfoToDefaults(struct LevelFileInfo *level_file_info)
1883 {
1884   level_file_info->nr = 0;
1885   level_file_info->type = LEVEL_FILE_TYPE_UNKNOWN;
1886   level_file_info->packed = FALSE;
1887
1888   setString(&level_file_info->basename, NULL);
1889   setString(&level_file_info->filename, NULL);
1890 }
1891
1892 int getMappedElement_SB(int, boolean);
1893
1894 static void ActivateLevelTemplate(void)
1895 {
1896   int x, y;
1897
1898   if (check_special_flags("load_xsb_to_ces"))
1899   {
1900     // fill smaller playfields with padding "beyond border wall" elements
1901     if (level.fieldx < level_template.fieldx ||
1902         level.fieldy < level_template.fieldy)
1903     {
1904       short field[level.fieldx][level.fieldy];
1905       int new_fieldx = MAX(level.fieldx, level_template.fieldx);
1906       int new_fieldy = MAX(level.fieldy, level_template.fieldy);
1907       int pos_fieldx = (new_fieldx - level.fieldx) / 2;
1908       int pos_fieldy = (new_fieldy - level.fieldy) / 2;
1909
1910       // copy old playfield (which is smaller than the visible area)
1911       for (y = 0; y < level.fieldy; y++) for (x = 0; x < level.fieldx; x++)
1912         field[x][y] = level.field[x][y];
1913
1914       // fill new, larger playfield with "beyond border wall" elements
1915       for (y = 0; y < new_fieldy; y++) for (x = 0; x < new_fieldx; x++)
1916         level.field[x][y] = getMappedElement_SB('_', TRUE);
1917
1918       // copy the old playfield to the middle of the new playfield
1919       for (y = 0; y < level.fieldy; y++) for (x = 0; x < level.fieldx; x++)
1920         level.field[pos_fieldx + x][pos_fieldy + y] = field[x][y];
1921
1922       level.fieldx = new_fieldx;
1923       level.fieldy = new_fieldy;
1924     }
1925   }
1926
1927   // Currently there is no special action needed to activate the template
1928   // data, because 'element_info' property settings overwrite the original
1929   // level data, while all other variables do not change.
1930
1931   // Exception: 'from_level_template' elements in the original level playfield
1932   // are overwritten with the corresponding elements at the same position in
1933   // playfield from the level template.
1934
1935   for (x = 0; x < level.fieldx; x++)
1936     for (y = 0; y < level.fieldy; y++)
1937       if (level.field[x][y] == EL_FROM_LEVEL_TEMPLATE)
1938         level.field[x][y] = level_template.field[x][y];
1939
1940   if (check_special_flags("load_xsb_to_ces"))
1941   {
1942     struct LevelInfo level_backup = level;
1943
1944     // overwrite all individual level settings from template level settings
1945     level = level_template;
1946
1947     // restore level file info
1948     level.file_info = level_backup.file_info;
1949
1950     // restore playfield size
1951     level.fieldx = level_backup.fieldx;
1952     level.fieldy = level_backup.fieldy;
1953
1954     // restore playfield content
1955     for (x = 0; x < level.fieldx; x++)
1956       for (y = 0; y < level.fieldy; y++)
1957         level.field[x][y] = level_backup.field[x][y];
1958
1959     // restore name and author from individual level
1960     strcpy(level.name,   level_backup.name);
1961     strcpy(level.author, level_backup.author);
1962
1963     // restore flag "use_custom_template"
1964     level.use_custom_template = level_backup.use_custom_template;
1965   }
1966 }
1967
1968 static char *getLevelFilenameFromBasename(char *basename)
1969 {
1970   static char *filename = NULL;
1971
1972   checked_free(filename);
1973
1974   filename = getPath2(getCurrentLevelDir(), basename);
1975
1976   return filename;
1977 }
1978
1979 static int getFileTypeFromBasename(char *basename)
1980 {
1981   // !!! ALSO SEE COMMENT IN checkForPackageFromBasename() !!!
1982
1983   static char *filename = NULL;
1984   struct stat file_status;
1985
1986   // ---------- try to determine file type from filename ----------
1987
1988   // check for typical filename of a Supaplex level package file
1989   if (strlen(basename) == 10 && strPrefixLower(basename, "levels.d"))
1990     return LEVEL_FILE_TYPE_SP;
1991
1992   // check for typical filename of a Diamond Caves II level package file
1993   if (strSuffixLower(basename, ".dc") ||
1994       strSuffixLower(basename, ".dc2"))
1995     return LEVEL_FILE_TYPE_DC;
1996
1997   // check for typical filename of a Sokoban level package file
1998   if (strSuffixLower(basename, ".xsb") &&
1999       strchr(basename, '%') == NULL)
2000     return LEVEL_FILE_TYPE_SB;
2001
2002   // ---------- try to determine file type from filesize ----------
2003
2004   checked_free(filename);
2005   filename = getPath2(getCurrentLevelDir(), basename);
2006
2007   if (stat(filename, &file_status) == 0)
2008   {
2009     // check for typical filesize of a Supaplex level package file
2010     if (file_status.st_size == 170496)
2011       return LEVEL_FILE_TYPE_SP;
2012   }
2013
2014   return LEVEL_FILE_TYPE_UNKNOWN;
2015 }
2016
2017 static int getFileTypeFromMagicBytes(char *filename, int type)
2018 {
2019   File *file;
2020
2021   if ((file = openFile(filename, MODE_READ)))
2022   {
2023     char chunk_name[CHUNK_ID_LEN + 1];
2024
2025     getFileChunkBE(file, chunk_name, NULL);
2026
2027     if (strEqual(chunk_name, "MMII") ||
2028         strEqual(chunk_name, "MIRR"))
2029       type = LEVEL_FILE_TYPE_MM;
2030
2031     closeFile(file);
2032   }
2033
2034   return type;
2035 }
2036
2037 static boolean checkForPackageFromBasename(char *basename)
2038 {
2039   // !!! WON'T WORK ANYMORE IF getFileTypeFromBasename() ALSO DETECTS !!!
2040   // !!! SINGLE LEVELS (CURRENTLY ONLY DETECTS LEVEL PACKAGES         !!!
2041
2042   return (getFileTypeFromBasename(basename) != LEVEL_FILE_TYPE_UNKNOWN);
2043 }
2044
2045 static char *getSingleLevelBasenameExt(int nr, char *extension)
2046 {
2047   static char basename[MAX_FILENAME_LEN];
2048
2049   if (nr < 0)
2050     sprintf(basename, "%s", LEVELTEMPLATE_FILENAME);
2051   else
2052     sprintf(basename, "%03d.%s", nr, extension);
2053
2054   return basename;
2055 }
2056
2057 static char *getSingleLevelBasename(int nr)
2058 {
2059   return getSingleLevelBasenameExt(nr, LEVELFILE_EXTENSION);
2060 }
2061
2062 static char *getPackedLevelBasename(int type)
2063 {
2064   static char basename[MAX_FILENAME_LEN];
2065   char *directory = getCurrentLevelDir();
2066   Directory *dir;
2067   DirectoryEntry *dir_entry;
2068
2069   strcpy(basename, UNDEFINED_FILENAME);         // default: undefined file
2070
2071   if ((dir = openDirectory(directory)) == NULL)
2072   {
2073     Warn("cannot read current level directory '%s'", directory);
2074
2075     return basename;
2076   }
2077
2078   while ((dir_entry = readDirectory(dir)) != NULL)      // loop all entries
2079   {
2080     char *entry_basename = dir_entry->basename;
2081     int entry_type = getFileTypeFromBasename(entry_basename);
2082
2083     if (entry_type != LEVEL_FILE_TYPE_UNKNOWN)  // found valid level package
2084     {
2085       if (type == LEVEL_FILE_TYPE_UNKNOWN ||
2086           type == entry_type)
2087       {
2088         strcpy(basename, entry_basename);
2089
2090         break;
2091       }
2092     }
2093   }
2094
2095   closeDirectory(dir);
2096
2097   return basename;
2098 }
2099
2100 static char *getSingleLevelFilename(int nr)
2101 {
2102   return getLevelFilenameFromBasename(getSingleLevelBasename(nr));
2103 }
2104
2105 #if ENABLE_UNUSED_CODE
2106 static char *getPackedLevelFilename(int type)
2107 {
2108   return getLevelFilenameFromBasename(getPackedLevelBasename(type));
2109 }
2110 #endif
2111
2112 char *getDefaultLevelFilename(int nr)
2113 {
2114   return getSingleLevelFilename(nr);
2115 }
2116
2117 #if ENABLE_UNUSED_CODE
2118 static void setLevelFileInfo_SingleLevelFilename(struct LevelFileInfo *lfi,
2119                                                  int type)
2120 {
2121   lfi->type = type;
2122   lfi->packed = FALSE;
2123
2124   setString(&lfi->basename, getSingleLevelBasename(lfi->nr, lfi->type));
2125   setString(&lfi->filename, getLevelFilenameFromBasename(lfi->basename));
2126 }
2127 #endif
2128
2129 static void setLevelFileInfo_FormatLevelFilename(struct LevelFileInfo *lfi,
2130                                                  int type, char *format, ...)
2131 {
2132   static char basename[MAX_FILENAME_LEN];
2133   va_list ap;
2134
2135   va_start(ap, format);
2136   vsprintf(basename, format, ap);
2137   va_end(ap);
2138
2139   lfi->type = type;
2140   lfi->packed = FALSE;
2141
2142   setString(&lfi->basename, basename);
2143   setString(&lfi->filename, getLevelFilenameFromBasename(lfi->basename));
2144 }
2145
2146 static void setLevelFileInfo_PackedLevelFilename(struct LevelFileInfo *lfi,
2147                                                  int type)
2148 {
2149   lfi->type = type;
2150   lfi->packed = TRUE;
2151
2152   setString(&lfi->basename, getPackedLevelBasename(lfi->type));
2153   setString(&lfi->filename, getLevelFilenameFromBasename(lfi->basename));
2154 }
2155
2156 static int getFiletypeFromID(char *filetype_id)
2157 {
2158   char *filetype_id_lower;
2159   int filetype = LEVEL_FILE_TYPE_UNKNOWN;
2160   int i;
2161
2162   if (filetype_id == NULL)
2163     return LEVEL_FILE_TYPE_UNKNOWN;
2164
2165   filetype_id_lower = getStringToLower(filetype_id);
2166
2167   for (i = 0; filetype_id_list[i].id != NULL; i++)
2168   {
2169     char *id_lower = getStringToLower(filetype_id_list[i].id);
2170
2171     if (strEqual(filetype_id_lower, id_lower))
2172       filetype = filetype_id_list[i].filetype;
2173
2174     free(id_lower);
2175
2176     if (filetype != LEVEL_FILE_TYPE_UNKNOWN)
2177       break;
2178   }
2179
2180   free(filetype_id_lower);
2181
2182   return filetype;
2183 }
2184
2185 char *getLocalLevelTemplateFilename(void)
2186 {
2187   return getDefaultLevelFilename(-1);
2188 }
2189
2190 char *getGlobalLevelTemplateFilename(void)
2191 {
2192   // global variable "leveldir_current" must be modified in the loop below
2193   LevelDirTree *leveldir_current_last = leveldir_current;
2194   char *filename = NULL;
2195
2196   // check for template level in path from current to topmost tree node
2197
2198   while (leveldir_current != NULL)
2199   {
2200     filename = getDefaultLevelFilename(-1);
2201
2202     if (fileExists(filename))
2203       break;
2204
2205     leveldir_current = leveldir_current->node_parent;
2206   }
2207
2208   // restore global variable "leveldir_current" modified in above loop
2209   leveldir_current = leveldir_current_last;
2210
2211   return filename;
2212 }
2213
2214 static void determineLevelFileInfo_Filename(struct LevelFileInfo *lfi)
2215 {
2216   int nr = lfi->nr;
2217
2218   // special case: level number is negative => check for level template file
2219   if (nr < 0)
2220   {
2221     setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_RND,
2222                                          getSingleLevelBasename(-1));
2223
2224     // replace local level template filename with global template filename
2225     setString(&lfi->filename, getGlobalLevelTemplateFilename());
2226
2227     // no fallback if template file not existing
2228     return;
2229   }
2230
2231   // special case: check for file name/pattern specified in "levelinfo.conf"
2232   if (leveldir_current->level_filename != NULL)
2233   {
2234     int filetype = getFiletypeFromID(leveldir_current->level_filetype);
2235
2236     setLevelFileInfo_FormatLevelFilename(lfi, filetype,
2237                                          leveldir_current->level_filename, nr);
2238
2239     lfi->packed = checkForPackageFromBasename(leveldir_current->level_filename);
2240
2241     if (fileExists(lfi->filename))
2242       return;
2243   }
2244   else if (leveldir_current->level_filetype != NULL)
2245   {
2246     int filetype = getFiletypeFromID(leveldir_current->level_filetype);
2247
2248     // check for specified native level file with standard file name
2249     setLevelFileInfo_FormatLevelFilename(lfi, filetype,
2250                                          "%03d.%s", nr, LEVELFILE_EXTENSION);
2251     if (fileExists(lfi->filename))
2252       return;
2253   }
2254
2255   // check for native Rocks'n'Diamonds level file
2256   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_RND,
2257                                        "%03d.%s", nr, LEVELFILE_EXTENSION);
2258   if (fileExists(lfi->filename))
2259     return;
2260
2261   // check for Emerald Mine level file (V1)
2262   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "a%c%c",
2263                                        'a' + (nr / 10) % 26, '0' + nr % 10);
2264   if (fileExists(lfi->filename))
2265     return;
2266   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "A%c%c",
2267                                        'A' + (nr / 10) % 26, '0' + nr % 10);
2268   if (fileExists(lfi->filename))
2269     return;
2270
2271   // check for Emerald Mine level file (V2 to V5)
2272   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%d", nr);
2273   if (fileExists(lfi->filename))
2274     return;
2275
2276   // check for Emerald Mine level file (V6 / single mode)
2277   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%02ds", nr);
2278   if (fileExists(lfi->filename))
2279     return;
2280   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%02dS", nr);
2281   if (fileExists(lfi->filename))
2282     return;
2283
2284   // check for Emerald Mine level file (V6 / teamwork mode)
2285   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%02dt", nr);
2286   if (fileExists(lfi->filename))
2287     return;
2288   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%02dT", nr);
2289   if (fileExists(lfi->filename))
2290     return;
2291
2292   // check for various packed level file formats
2293   setLevelFileInfo_PackedLevelFilename(lfi, LEVEL_FILE_TYPE_UNKNOWN);
2294   if (fileExists(lfi->filename))
2295     return;
2296
2297   // no known level file found -- use default values (and fail later)
2298   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_RND,
2299                                        "%03d.%s", nr, LEVELFILE_EXTENSION);
2300 }
2301
2302 static void determineLevelFileInfo_Filetype(struct LevelFileInfo *lfi)
2303 {
2304   if (lfi->type == LEVEL_FILE_TYPE_UNKNOWN)
2305     lfi->type = getFileTypeFromBasename(lfi->basename);
2306
2307   if (lfi->type == LEVEL_FILE_TYPE_RND)
2308     lfi->type = getFileTypeFromMagicBytes(lfi->filename, lfi->type);
2309 }
2310
2311 static void setLevelFileInfo(struct LevelFileInfo *level_file_info, int nr)
2312 {
2313   // always start with reliable default values
2314   setFileInfoToDefaults(level_file_info);
2315
2316   level_file_info->nr = nr;     // set requested level number
2317
2318   determineLevelFileInfo_Filename(level_file_info);
2319   determineLevelFileInfo_Filetype(level_file_info);
2320 }
2321
2322 static void copyLevelFileInfo(struct LevelFileInfo *lfi_from,
2323                               struct LevelFileInfo *lfi_to)
2324 {
2325   lfi_to->nr     = lfi_from->nr;
2326   lfi_to->type   = lfi_from->type;
2327   lfi_to->packed = lfi_from->packed;
2328
2329   setString(&lfi_to->basename, lfi_from->basename);
2330   setString(&lfi_to->filename, lfi_from->filename);
2331 }
2332
2333 // ----------------------------------------------------------------------------
2334 // functions for loading R'n'D level
2335 // ----------------------------------------------------------------------------
2336
2337 static int getMappedElement(int element)
2338 {
2339   // remap some (historic, now obsolete) elements
2340
2341   switch (element)
2342   {
2343     case EL_PLAYER_OBSOLETE:
2344       element = EL_PLAYER_1;
2345       break;
2346
2347     case EL_KEY_OBSOLETE:
2348       element = EL_KEY_1;
2349       break;
2350
2351     case EL_EM_KEY_1_FILE_OBSOLETE:
2352       element = EL_EM_KEY_1;
2353       break;
2354
2355     case EL_EM_KEY_2_FILE_OBSOLETE:
2356       element = EL_EM_KEY_2;
2357       break;
2358
2359     case EL_EM_KEY_3_FILE_OBSOLETE:
2360       element = EL_EM_KEY_3;
2361       break;
2362
2363     case EL_EM_KEY_4_FILE_OBSOLETE:
2364       element = EL_EM_KEY_4;
2365       break;
2366
2367     case EL_ENVELOPE_OBSOLETE:
2368       element = EL_ENVELOPE_1;
2369       break;
2370
2371     case EL_SP_EMPTY:
2372       element = EL_EMPTY;
2373       break;
2374
2375     default:
2376       if (element >= NUM_FILE_ELEMENTS)
2377       {
2378         Warn("invalid level element %d", element);
2379
2380         element = EL_UNKNOWN;
2381       }
2382       break;
2383   }
2384
2385   return element;
2386 }
2387
2388 static int getMappedElementByVersion(int element, int game_version)
2389 {
2390   // remap some elements due to certain game version
2391
2392   if (game_version <= VERSION_IDENT(2,2,0,0))
2393   {
2394     // map game font elements
2395     element = (element == EL_CHAR('[')  ? EL_CHAR_AUMLAUT :
2396                element == EL_CHAR('\\') ? EL_CHAR_OUMLAUT :
2397                element == EL_CHAR(']')  ? EL_CHAR_UUMLAUT :
2398                element == EL_CHAR('^')  ? EL_CHAR_COPYRIGHT : element);
2399   }
2400
2401   if (game_version < VERSION_IDENT(3,0,0,0))
2402   {
2403     // map Supaplex gravity tube elements
2404     element = (element == EL_SP_GRAVITY_PORT_LEFT  ? EL_SP_PORT_LEFT  :
2405                element == EL_SP_GRAVITY_PORT_RIGHT ? EL_SP_PORT_RIGHT :
2406                element == EL_SP_GRAVITY_PORT_UP    ? EL_SP_PORT_UP    :
2407                element == EL_SP_GRAVITY_PORT_DOWN  ? EL_SP_PORT_DOWN  :
2408                element);
2409   }
2410
2411   return element;
2412 }
2413
2414 static int LoadLevel_VERS(File *file, int chunk_size, struct LevelInfo *level)
2415 {
2416   level->file_version = getFileVersion(file);
2417   level->game_version = getFileVersion(file);
2418
2419   return chunk_size;
2420 }
2421
2422 static int LoadLevel_DATE(File *file, int chunk_size, struct LevelInfo *level)
2423 {
2424   level->creation_date.year  = getFile16BitBE(file);
2425   level->creation_date.month = getFile8Bit(file);
2426   level->creation_date.day   = getFile8Bit(file);
2427
2428   level->creation_date.src   = DATE_SRC_LEVELFILE;
2429
2430   return chunk_size;
2431 }
2432
2433 static int LoadLevel_HEAD(File *file, int chunk_size, struct LevelInfo *level)
2434 {
2435   int initial_player_stepsize;
2436   int initial_player_gravity;
2437   int i, x, y;
2438
2439   level->fieldx = getFile8Bit(file);
2440   level->fieldy = getFile8Bit(file);
2441
2442   level->time           = getFile16BitBE(file);
2443   level->gems_needed    = getFile16BitBE(file);
2444
2445   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
2446     level->name[i] = getFile8Bit(file);
2447   level->name[MAX_LEVEL_NAME_LEN] = 0;
2448
2449   for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
2450     level->score[i] = getFile8Bit(file);
2451
2452   level->num_yamyam_contents = STD_ELEMENT_CONTENTS;
2453   for (i = 0; i < STD_ELEMENT_CONTENTS; i++)
2454     for (y = 0; y < 3; y++)
2455       for (x = 0; x < 3; x++)
2456         level->yamyam_content[i].e[x][y] = getMappedElement(getFile8Bit(file));
2457
2458   level->amoeba_speed           = getFile8Bit(file);
2459   level->time_magic_wall        = getFile8Bit(file);
2460   level->time_wheel             = getFile8Bit(file);
2461   level->amoeba_content         = getMappedElement(getFile8Bit(file));
2462
2463   initial_player_stepsize       = (getFile8Bit(file) == 1 ? STEPSIZE_FAST :
2464                                    STEPSIZE_NORMAL);
2465
2466   for (i = 0; i < MAX_PLAYERS; i++)
2467     level->initial_player_stepsize[i] = initial_player_stepsize;
2468
2469   initial_player_gravity        = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2470
2471   for (i = 0; i < MAX_PLAYERS; i++)
2472     level->initial_player_gravity[i] = initial_player_gravity;
2473
2474   level->encoding_16bit_field   = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2475   level->em_slippery_gems       = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2476
2477   level->use_custom_template    = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2478
2479   level->block_last_field       = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2480   level->sp_block_last_field    = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2481   level->can_move_into_acid_bits = getFile32BitBE(file);
2482   level->dont_collide_with_bits = getFile8Bit(file);
2483
2484   level->use_spring_bug         = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2485   level->use_step_counter       = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2486
2487   level->instant_relocation     = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2488   level->can_pass_to_walkable   = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2489   level->grow_into_diggable     = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2490
2491   level->game_engine_type       = getFile8Bit(file);
2492
2493   ReadUnusedBytesFromFile(file, LEVEL_CHUNK_HEAD_UNUSED);
2494
2495   return chunk_size;
2496 }
2497
2498 static int LoadLevel_NAME(File *file, int chunk_size, struct LevelInfo *level)
2499 {
2500   int i;
2501
2502   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
2503     level->name[i] = getFile8Bit(file);
2504   level->name[MAX_LEVEL_NAME_LEN] = 0;
2505
2506   return chunk_size;
2507 }
2508
2509 static int LoadLevel_AUTH(File *file, int chunk_size, struct LevelInfo *level)
2510 {
2511   int i;
2512
2513   for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++)
2514     level->author[i] = getFile8Bit(file);
2515   level->author[MAX_LEVEL_AUTHOR_LEN] = 0;
2516
2517   return chunk_size;
2518 }
2519
2520 static int LoadLevel_BODY(File *file, int chunk_size, struct LevelInfo *level)
2521 {
2522   int x, y;
2523   int chunk_size_expected = level->fieldx * level->fieldy;
2524
2525   /* Note: "chunk_size" was wrong before version 2.0 when elements are
2526      stored with 16-bit encoding (and should be twice as big then).
2527      Even worse, playfield data was stored 16-bit when only yamyam content
2528      contained 16-bit elements and vice versa. */
2529
2530   if (level->encoding_16bit_field && level->file_version >= FILE_VERSION_2_0)
2531     chunk_size_expected *= 2;
2532
2533   if (chunk_size_expected != chunk_size)
2534   {
2535     ReadUnusedBytesFromFile(file, chunk_size);
2536     return chunk_size_expected;
2537   }
2538
2539   for (y = 0; y < level->fieldy; y++)
2540     for (x = 0; x < level->fieldx; x++)
2541       level->field[x][y] =
2542         getMappedElement(level->encoding_16bit_field ? getFile16BitBE(file) :
2543                          getFile8Bit(file));
2544   return chunk_size;
2545 }
2546
2547 static int LoadLevel_CONT(File *file, int chunk_size, struct LevelInfo *level)
2548 {
2549   int i, x, y;
2550   int header_size = 4;
2551   int content_size = MAX_ELEMENT_CONTENTS * 3 * 3;
2552   int chunk_size_expected = header_size + content_size;
2553
2554   /* Note: "chunk_size" was wrong before version 2.0 when elements are
2555      stored with 16-bit encoding (and should be twice as big then).
2556      Even worse, playfield data was stored 16-bit when only yamyam content
2557      contained 16-bit elements and vice versa. */
2558
2559   if (level->encoding_16bit_field && level->file_version >= FILE_VERSION_2_0)
2560     chunk_size_expected += content_size;
2561
2562   if (chunk_size_expected != chunk_size)
2563   {
2564     ReadUnusedBytesFromFile(file, chunk_size);
2565     return chunk_size_expected;
2566   }
2567
2568   getFile8Bit(file);
2569   level->num_yamyam_contents = getFile8Bit(file);
2570   getFile8Bit(file);
2571   getFile8Bit(file);
2572
2573   // correct invalid number of content fields -- should never happen
2574   if (level->num_yamyam_contents < 1 ||
2575       level->num_yamyam_contents > MAX_ELEMENT_CONTENTS)
2576     level->num_yamyam_contents = STD_ELEMENT_CONTENTS;
2577
2578   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
2579     for (y = 0; y < 3; y++)
2580       for (x = 0; x < 3; x++)
2581         level->yamyam_content[i].e[x][y] =
2582           getMappedElement(level->encoding_16bit_field ?
2583                            getFile16BitBE(file) : getFile8Bit(file));
2584   return chunk_size;
2585 }
2586
2587 static int LoadLevel_CNT2(File *file, int chunk_size, struct LevelInfo *level)
2588 {
2589   int i, x, y;
2590   int element;
2591   int num_contents;
2592   int content_array[MAX_ELEMENT_CONTENTS][3][3];
2593
2594   element = getMappedElement(getFile16BitBE(file));
2595   num_contents = getFile8Bit(file);
2596
2597   getFile8Bit(file);    // content x size (unused)
2598   getFile8Bit(file);    // content y size (unused)
2599
2600   ReadUnusedBytesFromFile(file, LEVEL_CHUNK_CNT2_UNUSED);
2601
2602   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
2603     for (y = 0; y < 3; y++)
2604       for (x = 0; x < 3; x++)
2605         content_array[i][x][y] = getMappedElement(getFile16BitBE(file));
2606
2607   // correct invalid number of content fields -- should never happen
2608   if (num_contents < 1 || num_contents > MAX_ELEMENT_CONTENTS)
2609     num_contents = STD_ELEMENT_CONTENTS;
2610
2611   if (element == EL_YAMYAM)
2612   {
2613     level->num_yamyam_contents = num_contents;
2614
2615     for (i = 0; i < num_contents; i++)
2616       for (y = 0; y < 3; y++)
2617         for (x = 0; x < 3; x++)
2618           level->yamyam_content[i].e[x][y] = content_array[i][x][y];
2619   }
2620   else if (element == EL_BD_AMOEBA)
2621   {
2622     level->amoeba_content = content_array[0][0][0];
2623   }
2624   else
2625   {
2626     Warn("cannot load content for element '%d'", element);
2627   }
2628
2629   return chunk_size;
2630 }
2631
2632 static int LoadLevel_CNT3(File *file, int chunk_size, struct LevelInfo *level)
2633 {
2634   int i;
2635   int element;
2636   int envelope_nr;
2637   int envelope_len;
2638   int chunk_size_expected;
2639
2640   element = getMappedElement(getFile16BitBE(file));
2641   if (!IS_ENVELOPE(element))
2642     element = EL_ENVELOPE_1;
2643
2644   envelope_nr = element - EL_ENVELOPE_1;
2645
2646   envelope_len = getFile16BitBE(file);
2647
2648   level->envelope[envelope_nr].xsize = getFile8Bit(file);
2649   level->envelope[envelope_nr].ysize = getFile8Bit(file);
2650
2651   ReadUnusedBytesFromFile(file, LEVEL_CHUNK_CNT3_UNUSED);
2652
2653   chunk_size_expected = LEVEL_CHUNK_CNT3_SIZE(envelope_len);
2654   if (chunk_size_expected != chunk_size)
2655   {
2656     ReadUnusedBytesFromFile(file, chunk_size - LEVEL_CHUNK_CNT3_HEADER);
2657     return chunk_size_expected;
2658   }
2659
2660   for (i = 0; i < envelope_len; i++)
2661     level->envelope[envelope_nr].text[i] = getFile8Bit(file);
2662
2663   return chunk_size;
2664 }
2665
2666 static int LoadLevel_CUS1(File *file, int chunk_size, struct LevelInfo *level)
2667 {
2668   int num_changed_custom_elements = getFile16BitBE(file);
2669   int chunk_size_expected = 2 + num_changed_custom_elements * 6;
2670   int i;
2671
2672   if (chunk_size_expected != chunk_size)
2673   {
2674     ReadUnusedBytesFromFile(file, chunk_size - 2);
2675     return chunk_size_expected;
2676   }
2677
2678   for (i = 0; i < num_changed_custom_elements; i++)
2679   {
2680     int element = getMappedElement(getFile16BitBE(file));
2681     int properties = getFile32BitBE(file);
2682
2683     if (IS_CUSTOM_ELEMENT(element))
2684       element_info[element].properties[EP_BITFIELD_BASE_NR] = properties;
2685     else
2686       Warn("invalid custom element number %d", element);
2687
2688     // older game versions that wrote level files with CUS1 chunks used
2689     // different default push delay values (not yet stored in level file)
2690     element_info[element].push_delay_fixed = 2;
2691     element_info[element].push_delay_random = 8;
2692   }
2693
2694   level->file_has_custom_elements = TRUE;
2695
2696   return chunk_size;
2697 }
2698
2699 static int LoadLevel_CUS2(File *file, int chunk_size, struct LevelInfo *level)
2700 {
2701   int num_changed_custom_elements = getFile16BitBE(file);
2702   int chunk_size_expected = 2 + num_changed_custom_elements * 4;
2703   int i;
2704
2705   if (chunk_size_expected != chunk_size)
2706   {
2707     ReadUnusedBytesFromFile(file, chunk_size - 2);
2708     return chunk_size_expected;
2709   }
2710
2711   for (i = 0; i < num_changed_custom_elements; i++)
2712   {
2713     int element = getMappedElement(getFile16BitBE(file));
2714     int custom_target_element = getMappedElement(getFile16BitBE(file));
2715
2716     if (IS_CUSTOM_ELEMENT(element))
2717       element_info[element].change->target_element = custom_target_element;
2718     else
2719       Warn("invalid custom element number %d", element);
2720   }
2721
2722   level->file_has_custom_elements = TRUE;
2723
2724   return chunk_size;
2725 }
2726
2727 static int LoadLevel_CUS3(File *file, int chunk_size, struct LevelInfo *level)
2728 {
2729   int num_changed_custom_elements = getFile16BitBE(file);
2730   int chunk_size_expected = LEVEL_CHUNK_CUS3_SIZE(num_changed_custom_elements);
2731   int i, j, x, y;
2732
2733   if (chunk_size_expected != chunk_size)
2734   {
2735     ReadUnusedBytesFromFile(file, chunk_size - 2);
2736     return chunk_size_expected;
2737   }
2738
2739   for (i = 0; i < num_changed_custom_elements; i++)
2740   {
2741     int element = getMappedElement(getFile16BitBE(file));
2742     struct ElementInfo *ei = &element_info[element];
2743     unsigned int event_bits;
2744
2745     if (!IS_CUSTOM_ELEMENT(element))
2746     {
2747       Warn("invalid custom element number %d", element);
2748
2749       element = EL_INTERNAL_DUMMY;
2750     }
2751
2752     for (j = 0; j < MAX_ELEMENT_NAME_LEN; j++)
2753       ei->description[j] = getFile8Bit(file);
2754     ei->description[MAX_ELEMENT_NAME_LEN] = 0;
2755
2756     ei->properties[EP_BITFIELD_BASE_NR] = getFile32BitBE(file);
2757
2758     // some free bytes for future properties and padding
2759     ReadUnusedBytesFromFile(file, 7);
2760
2761     ei->use_gfx_element = getFile8Bit(file);
2762     ei->gfx_element_initial = getMappedElement(getFile16BitBE(file));
2763
2764     ei->collect_score_initial = getFile8Bit(file);
2765     ei->collect_count_initial = getFile8Bit(file);
2766
2767     ei->push_delay_fixed = getFile16BitBE(file);
2768     ei->push_delay_random = getFile16BitBE(file);
2769     ei->move_delay_fixed = getFile16BitBE(file);
2770     ei->move_delay_random = getFile16BitBE(file);
2771
2772     ei->move_pattern = getFile16BitBE(file);
2773     ei->move_direction_initial = getFile8Bit(file);
2774     ei->move_stepsize = getFile8Bit(file);
2775
2776     for (y = 0; y < 3; y++)
2777       for (x = 0; x < 3; x++)
2778         ei->content.e[x][y] = getMappedElement(getFile16BitBE(file));
2779
2780     event_bits = getFile32BitBE(file);
2781     for (j = 0; j < NUM_CHANGE_EVENTS; j++)
2782       if (event_bits & (1 << j))
2783         ei->change->has_event[j] = TRUE;
2784
2785     ei->change->target_element = getMappedElement(getFile16BitBE(file));
2786
2787     ei->change->delay_fixed = getFile16BitBE(file);
2788     ei->change->delay_random = getFile16BitBE(file);
2789     ei->change->delay_frames = getFile16BitBE(file);
2790
2791     ei->change->initial_trigger_element= getMappedElement(getFile16BitBE(file));
2792
2793     ei->change->explode = getFile8Bit(file);
2794     ei->change->use_target_content = getFile8Bit(file);
2795     ei->change->only_if_complete = getFile8Bit(file);
2796     ei->change->use_random_replace = getFile8Bit(file);
2797
2798     ei->change->random_percentage = getFile8Bit(file);
2799     ei->change->replace_when = getFile8Bit(file);
2800
2801     for (y = 0; y < 3; y++)
2802       for (x = 0; x < 3; x++)
2803         ei->change->target_content.e[x][y] =
2804           getMappedElement(getFile16BitBE(file));
2805
2806     ei->slippery_type = getFile8Bit(file);
2807
2808     // some free bytes for future properties and padding
2809     ReadUnusedBytesFromFile(file, LEVEL_CPART_CUS3_UNUSED);
2810
2811     // mark that this custom element has been modified
2812     ei->modified_settings = TRUE;
2813   }
2814
2815   level->file_has_custom_elements = TRUE;
2816
2817   return chunk_size;
2818 }
2819
2820 static int LoadLevel_CUS4(File *file, int chunk_size, struct LevelInfo *level)
2821 {
2822   struct ElementInfo *ei;
2823   int chunk_size_expected;
2824   int element;
2825   int i, j, x, y;
2826
2827   // ---------- custom element base property values (96 bytes) ----------------
2828
2829   element = getMappedElement(getFile16BitBE(file));
2830
2831   if (!IS_CUSTOM_ELEMENT(element))
2832   {
2833     Warn("invalid custom element number %d", element);
2834
2835     ReadUnusedBytesFromFile(file, chunk_size - 2);
2836
2837     return chunk_size;
2838   }
2839
2840   ei = &element_info[element];
2841
2842   for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
2843     ei->description[i] = getFile8Bit(file);
2844   ei->description[MAX_ELEMENT_NAME_LEN] = 0;
2845
2846   ei->properties[EP_BITFIELD_BASE_NR] = getFile32BitBE(file);
2847
2848   ReadUnusedBytesFromFile(file, 4);     // reserved for more base properties
2849
2850   ei->num_change_pages = getFile8Bit(file);
2851
2852   chunk_size_expected = LEVEL_CHUNK_CUS4_SIZE(ei->num_change_pages);
2853   if (chunk_size_expected != chunk_size)
2854   {
2855     ReadUnusedBytesFromFile(file, chunk_size - 43);
2856     return chunk_size_expected;
2857   }
2858
2859   ei->ce_value_fixed_initial = getFile16BitBE(file);
2860   ei->ce_value_random_initial = getFile16BitBE(file);
2861   ei->use_last_ce_value = getFile8Bit(file);
2862
2863   ei->use_gfx_element = getFile8Bit(file);
2864   ei->gfx_element_initial = getMappedElement(getFile16BitBE(file));
2865
2866   ei->collect_score_initial = getFile8Bit(file);
2867   ei->collect_count_initial = getFile8Bit(file);
2868
2869   ei->drop_delay_fixed = getFile8Bit(file);
2870   ei->push_delay_fixed = getFile8Bit(file);
2871   ei->drop_delay_random = getFile8Bit(file);
2872   ei->push_delay_random = getFile8Bit(file);
2873   ei->move_delay_fixed = getFile16BitBE(file);
2874   ei->move_delay_random = getFile16BitBE(file);
2875
2876   // bits 0 - 15 of "move_pattern" ...
2877   ei->move_pattern = getFile16BitBE(file);
2878   ei->move_direction_initial = getFile8Bit(file);
2879   ei->move_stepsize = getFile8Bit(file);
2880
2881   ei->slippery_type = getFile8Bit(file);
2882
2883   for (y = 0; y < 3; y++)
2884     for (x = 0; x < 3; x++)
2885       ei->content.e[x][y] = getMappedElement(getFile16BitBE(file));
2886
2887   ei->move_enter_element = getMappedElement(getFile16BitBE(file));
2888   ei->move_leave_element = getMappedElement(getFile16BitBE(file));
2889   ei->move_leave_type = getFile8Bit(file);
2890
2891   // ... bits 16 - 31 of "move_pattern" (not nice, but downward compatible)
2892   ei->move_pattern |= (getFile16BitBE(file) << 16);
2893
2894   ei->access_direction = getFile8Bit(file);
2895
2896   ei->explosion_delay = getFile8Bit(file);
2897   ei->ignition_delay = getFile8Bit(file);
2898   ei->explosion_type = getFile8Bit(file);
2899
2900   // some free bytes for future custom property values and padding
2901   ReadUnusedBytesFromFile(file, 1);
2902
2903   // ---------- change page property values (48 bytes) ------------------------
2904
2905   setElementChangePages(ei, ei->num_change_pages);
2906
2907   for (i = 0; i < ei->num_change_pages; i++)
2908   {
2909     struct ElementChangeInfo *change = &ei->change_page[i];
2910     unsigned int event_bits;
2911
2912     // always start with reliable default values
2913     setElementChangeInfoToDefaults(change);
2914
2915     // bits 0 - 31 of "has_event[]" ...
2916     event_bits = getFile32BitBE(file);
2917     for (j = 0; j < MIN(NUM_CHANGE_EVENTS, 32); j++)
2918       if (event_bits & (1 << j))
2919         change->has_event[j] = TRUE;
2920
2921     change->target_element = getMappedElement(getFile16BitBE(file));
2922
2923     change->delay_fixed = getFile16BitBE(file);
2924     change->delay_random = getFile16BitBE(file);
2925     change->delay_frames = getFile16BitBE(file);
2926
2927     change->initial_trigger_element = getMappedElement(getFile16BitBE(file));
2928
2929     change->explode = getFile8Bit(file);
2930     change->use_target_content = getFile8Bit(file);
2931     change->only_if_complete = getFile8Bit(file);
2932     change->use_random_replace = getFile8Bit(file);
2933
2934     change->random_percentage = getFile8Bit(file);
2935     change->replace_when = getFile8Bit(file);
2936
2937     for (y = 0; y < 3; y++)
2938       for (x = 0; x < 3; x++)
2939         change->target_content.e[x][y]= getMappedElement(getFile16BitBE(file));
2940
2941     change->can_change = getFile8Bit(file);
2942
2943     change->trigger_side = getFile8Bit(file);
2944
2945     change->trigger_player = getFile8Bit(file);
2946     change->trigger_page = getFile8Bit(file);
2947
2948     change->trigger_page = (change->trigger_page == CH_PAGE_ANY_FILE ?
2949                             CH_PAGE_ANY : (1 << change->trigger_page));
2950
2951     change->has_action = getFile8Bit(file);
2952     change->action_type = getFile8Bit(file);
2953     change->action_mode = getFile8Bit(file);
2954     change->action_arg = getFile16BitBE(file);
2955
2956     // ... bits 32 - 39 of "has_event[]" (not nice, but downward compatible)
2957     event_bits = getFile8Bit(file);
2958     for (j = 32; j < NUM_CHANGE_EVENTS; j++)
2959       if (event_bits & (1 << (j - 32)))
2960         change->has_event[j] = TRUE;
2961   }
2962
2963   // mark this custom element as modified
2964   ei->modified_settings = TRUE;
2965
2966   level->file_has_custom_elements = TRUE;
2967
2968   return chunk_size;
2969 }
2970
2971 static int LoadLevel_GRP1(File *file, int chunk_size, struct LevelInfo *level)
2972 {
2973   struct ElementInfo *ei;
2974   struct ElementGroupInfo *group;
2975   int element;
2976   int i;
2977
2978   element = getMappedElement(getFile16BitBE(file));
2979
2980   if (!IS_GROUP_ELEMENT(element))
2981   {
2982     Warn("invalid group element number %d", element);
2983
2984     ReadUnusedBytesFromFile(file, chunk_size - 2);
2985
2986     return chunk_size;
2987   }
2988
2989   ei = &element_info[element];
2990
2991   for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
2992     ei->description[i] = getFile8Bit(file);
2993   ei->description[MAX_ELEMENT_NAME_LEN] = 0;
2994
2995   group = element_info[element].group;
2996
2997   group->num_elements = getFile8Bit(file);
2998
2999   ei->use_gfx_element = getFile8Bit(file);
3000   ei->gfx_element_initial = getMappedElement(getFile16BitBE(file));
3001
3002   group->choice_mode = getFile8Bit(file);
3003
3004   // some free bytes for future values and padding
3005   ReadUnusedBytesFromFile(file, 3);
3006
3007   for (i = 0; i < MAX_ELEMENTS_IN_GROUP; i++)
3008     group->element[i] = getMappedElement(getFile16BitBE(file));
3009
3010   // mark this group element as modified
3011   element_info[element].modified_settings = TRUE;
3012
3013   level->file_has_custom_elements = TRUE;
3014
3015   return chunk_size;
3016 }
3017
3018 static int LoadLevel_MicroChunk(File *file, struct LevelFileConfigInfo *conf,
3019                                 int element, int real_element)
3020 {
3021   int micro_chunk_size = 0;
3022   int conf_type = getFile8Bit(file);
3023   int byte_mask = conf_type & CONF_MASK_BYTES;
3024   boolean element_found = FALSE;
3025   int i;
3026
3027   micro_chunk_size += 1;
3028
3029   if (byte_mask == CONF_MASK_MULTI_BYTES)
3030   {
3031     int num_bytes = getFile16BitBE(file);
3032     byte *buffer = checked_malloc(num_bytes);
3033
3034     ReadBytesFromFile(file, buffer, num_bytes);
3035
3036     for (i = 0; conf[i].data_type != -1; i++)
3037     {
3038       if (conf[i].element == element &&
3039           conf[i].conf_type == conf_type)
3040       {
3041         int data_type = conf[i].data_type;
3042         int num_entities = num_bytes / CONF_ENTITY_NUM_BYTES(data_type);
3043         int max_num_entities = conf[i].max_num_entities;
3044
3045         if (num_entities > max_num_entities)
3046         {
3047           Warn("truncating number of entities for element %d from %d to %d",
3048                element, num_entities, max_num_entities);
3049
3050           num_entities = max_num_entities;
3051         }
3052
3053         if (num_entities == 0 && (data_type == TYPE_ELEMENT_LIST ||
3054                                   data_type == TYPE_CONTENT_LIST))
3055         {
3056           // for element and content lists, zero entities are not allowed
3057           Warn("found empty list of entities for element %d", element);
3058
3059           // do not set "num_entities" here to prevent reading behind buffer
3060
3061           *(int *)(conf[i].num_entities) = 1;   // at least one is required
3062         }
3063         else
3064         {
3065           *(int *)(conf[i].num_entities) = num_entities;
3066         }
3067
3068         element_found = TRUE;
3069
3070         if (data_type == TYPE_STRING)
3071         {
3072           char *string = (char *)(conf[i].value);
3073           int j;
3074
3075           for (j = 0; j < max_num_entities; j++)
3076             string[j] = (j < num_entities ? buffer[j] : '\0');
3077         }
3078         else if (data_type == TYPE_ELEMENT_LIST)
3079         {
3080           int *element_array = (int *)(conf[i].value);
3081           int j;
3082
3083           for (j = 0; j < num_entities; j++)
3084             element_array[j] =
3085               getMappedElement(CONF_ELEMENTS_ELEMENT(buffer, j));
3086         }
3087         else if (data_type == TYPE_CONTENT_LIST)
3088         {
3089           struct Content *content= (struct Content *)(conf[i].value);
3090           int c, x, y;
3091
3092           for (c = 0; c < num_entities; c++)
3093             for (y = 0; y < 3; y++)
3094               for (x = 0; x < 3; x++)
3095                 content[c].e[x][y] =
3096                   getMappedElement(CONF_CONTENTS_ELEMENT(buffer, c, x, y));
3097         }
3098         else
3099           element_found = FALSE;
3100
3101         break;
3102       }
3103     }
3104
3105     checked_free(buffer);
3106
3107     micro_chunk_size += 2 + num_bytes;
3108   }
3109   else          // constant size configuration data (1, 2 or 4 bytes)
3110   {
3111     int value = (byte_mask == CONF_MASK_1_BYTE ? getFile8Bit   (file) :
3112                  byte_mask == CONF_MASK_2_BYTE ? getFile16BitBE(file) :
3113                  byte_mask == CONF_MASK_4_BYTE ? getFile32BitBE(file) : 0);
3114
3115     for (i = 0; conf[i].data_type != -1; i++)
3116     {
3117       if (conf[i].element == element &&
3118           conf[i].conf_type == conf_type)
3119       {
3120         int data_type = conf[i].data_type;
3121
3122         if (data_type == TYPE_ELEMENT)
3123           value = getMappedElement(value);
3124
3125         if (data_type == TYPE_BOOLEAN)
3126           *(boolean *)(conf[i].value) = value;
3127         else
3128           *(int *)    (conf[i].value) = value;
3129
3130         element_found = TRUE;
3131
3132         break;
3133       }
3134     }
3135
3136     micro_chunk_size += CONF_VALUE_NUM_BYTES(byte_mask);
3137   }
3138
3139   if (!element_found)
3140   {
3141     char *error_conf_chunk_bytes =
3142       (byte_mask == CONF_MASK_1_BYTE ? "CONF_VALUE_8_BIT" :
3143        byte_mask == CONF_MASK_2_BYTE ? "CONF_VALUE_16_BIT" :
3144        byte_mask == CONF_MASK_4_BYTE ? "CONF_VALUE_32_BIT" :"CONF_VALUE_BYTES");
3145     int error_conf_chunk_token = conf_type & CONF_MASK_TOKEN;
3146     int error_element = real_element;
3147
3148     Warn("cannot load micro chunk '%s(%d)' value for element %d ['%s']",
3149          error_conf_chunk_bytes, error_conf_chunk_token,
3150          error_element, EL_NAME(error_element));
3151   }
3152
3153   return micro_chunk_size;
3154 }
3155
3156 static int LoadLevel_INFO(File *file, int chunk_size, struct LevelInfo *level)
3157 {
3158   int real_chunk_size = 0;
3159
3160   li = *level;          // copy level data into temporary buffer
3161
3162   while (!checkEndOfFile(file))
3163   {
3164     real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_INFO, -1, -1);
3165
3166     if (real_chunk_size >= chunk_size)
3167       break;
3168   }
3169
3170   *level = li;          // copy temporary buffer back to level data
3171
3172   return real_chunk_size;
3173 }
3174
3175 static int LoadLevel_CONF(File *file, int chunk_size, struct LevelInfo *level)
3176 {
3177   int real_chunk_size = 0;
3178
3179   li = *level;          // copy level data into temporary buffer
3180
3181   while (!checkEndOfFile(file))
3182   {
3183     int element = getMappedElement(getFile16BitBE(file));
3184
3185     real_chunk_size += 2;
3186     real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CONF,
3187                                             element, element);
3188     if (real_chunk_size >= chunk_size)
3189       break;
3190   }
3191
3192   *level = li;          // copy temporary buffer back to level data
3193
3194   return real_chunk_size;
3195 }
3196
3197 static int LoadLevel_ELEM(File *file, int chunk_size, struct LevelInfo *level)
3198 {
3199   int real_chunk_size = 0;
3200
3201   li = *level;          // copy level data into temporary buffer
3202
3203   while (!checkEndOfFile(file))
3204   {
3205     int element = getMappedElement(getFile16BitBE(file));
3206
3207     real_chunk_size += 2;
3208     real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_ELEM,
3209                                             element, element);
3210     if (real_chunk_size >= chunk_size)
3211       break;
3212   }
3213
3214   *level = li;          // copy temporary buffer back to level data
3215
3216   return real_chunk_size;
3217 }
3218
3219 static int LoadLevel_NOTE(File *file, int chunk_size, struct LevelInfo *level)
3220 {
3221   int element = getMappedElement(getFile16BitBE(file));
3222   int envelope_nr = element - EL_ENVELOPE_1;
3223   int real_chunk_size = 2;
3224
3225   xx_envelope = level->envelope[envelope_nr];   // copy into temporary buffer
3226
3227   while (!checkEndOfFile(file))
3228   {
3229     real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_NOTE,
3230                                             -1, element);
3231
3232     if (real_chunk_size >= chunk_size)
3233       break;
3234   }
3235
3236   level->envelope[envelope_nr] = xx_envelope;   // copy from temporary buffer
3237
3238   return real_chunk_size;
3239 }
3240
3241 static int LoadLevel_CUSX(File *file, int chunk_size, struct LevelInfo *level)
3242 {
3243   int element = getMappedElement(getFile16BitBE(file));
3244   int real_chunk_size = 2;
3245   struct ElementInfo *ei = &element_info[element];
3246   int i;
3247
3248   xx_ei = *ei;          // copy element data into temporary buffer
3249
3250   xx_ei.num_change_pages = -1;
3251
3252   while (!checkEndOfFile(file))
3253   {
3254     real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CUSX_base,
3255                                             -1, element);
3256     if (xx_ei.num_change_pages != -1)
3257       break;
3258
3259     if (real_chunk_size >= chunk_size)
3260       break;
3261   }
3262
3263   *ei = xx_ei;
3264
3265   if (ei->num_change_pages == -1)
3266   {
3267     Warn("LoadLevel_CUSX(): missing 'num_change_pages' for '%s'",
3268          EL_NAME(element));
3269
3270     ei->num_change_pages = 1;
3271
3272     setElementChangePages(ei, 1);
3273     setElementChangeInfoToDefaults(ei->change);
3274
3275     return real_chunk_size;
3276   }
3277
3278   // initialize number of change pages stored for this custom element
3279   setElementChangePages(ei, ei->num_change_pages);
3280   for (i = 0; i < ei->num_change_pages; i++)
3281     setElementChangeInfoToDefaults(&ei->change_page[i]);
3282
3283   // start with reading properties for the first change page
3284   xx_current_change_page = 0;
3285
3286   while (!checkEndOfFile(file))
3287   {
3288     struct ElementChangeInfo *change = &ei->change_page[xx_current_change_page];
3289
3290     xx_change = *change;        // copy change data into temporary buffer
3291
3292     resetEventBits();           // reset bits; change page might have changed
3293
3294     real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CUSX_change,
3295                                             -1, element);
3296
3297     *change = xx_change;
3298
3299     setEventFlagsFromEventBits(change);
3300
3301     if (real_chunk_size >= chunk_size)
3302       break;
3303   }
3304
3305   level->file_has_custom_elements = TRUE;
3306
3307   return real_chunk_size;
3308 }
3309
3310 static int LoadLevel_GRPX(File *file, int chunk_size, struct LevelInfo *level)
3311 {
3312   int element = getMappedElement(getFile16BitBE(file));
3313   int real_chunk_size = 2;
3314   struct ElementInfo *ei = &element_info[element];
3315   struct ElementGroupInfo *group = ei->group;
3316
3317   xx_ei = *ei;          // copy element data into temporary buffer
3318   xx_group = *group;    // copy group data into temporary buffer
3319
3320   while (!checkEndOfFile(file))
3321   {
3322     real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_GRPX,
3323                                             -1, element);
3324
3325     if (real_chunk_size >= chunk_size)
3326       break;
3327   }
3328
3329   *ei = xx_ei;
3330   *group = xx_group;
3331
3332   level->file_has_custom_elements = TRUE;
3333
3334   return real_chunk_size;
3335 }
3336
3337 static void LoadLevelFromFileInfo_RND(struct LevelInfo *level,
3338                                       struct LevelFileInfo *level_file_info,
3339                                       boolean level_info_only)
3340 {
3341   char *filename = level_file_info->filename;
3342   char cookie[MAX_LINE_LEN];
3343   char chunk_name[CHUNK_ID_LEN + 1];
3344   int chunk_size;
3345   File *file;
3346
3347   if (!(file = openFile(filename, MODE_READ)))
3348   {
3349     level->no_valid_file = TRUE;
3350     level->no_level_file = TRUE;
3351
3352     if (level_info_only)
3353       return;
3354
3355     Warn("cannot read level '%s' -- using empty level", filename);
3356
3357     if (!setup.editor.use_template_for_new_levels)
3358       return;
3359
3360     // if level file not found, try to initialize level data from template
3361     filename = getGlobalLevelTemplateFilename();
3362
3363     if (!(file = openFile(filename, MODE_READ)))
3364       return;
3365
3366     // default: for empty levels, use level template for custom elements
3367     level->use_custom_template = TRUE;
3368
3369     level->no_valid_file = FALSE;
3370   }
3371
3372   getFileChunkBE(file, chunk_name, NULL);
3373   if (strEqual(chunk_name, "RND1"))
3374   {
3375     getFile32BitBE(file);               // not used
3376
3377     getFileChunkBE(file, chunk_name, NULL);
3378     if (!strEqual(chunk_name, "CAVE"))
3379     {
3380       level->no_valid_file = TRUE;
3381
3382       Warn("unknown format of level file '%s'", filename);
3383
3384       closeFile(file);
3385
3386       return;
3387     }
3388   }
3389   else  // check for pre-2.0 file format with cookie string
3390   {
3391     strcpy(cookie, chunk_name);
3392     if (getStringFromFile(file, &cookie[4], MAX_LINE_LEN - 4) == NULL)
3393       cookie[4] = '\0';
3394     if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
3395       cookie[strlen(cookie) - 1] = '\0';
3396
3397     if (!checkCookieString(cookie, LEVEL_COOKIE_TMPL))
3398     {
3399       level->no_valid_file = TRUE;
3400
3401       Warn("unknown format of level file '%s'", filename);
3402
3403       closeFile(file);
3404
3405       return;
3406     }
3407
3408     if ((level->file_version = getFileVersionFromCookieString(cookie)) == -1)
3409     {
3410       level->no_valid_file = TRUE;
3411
3412       Warn("unsupported version of level file '%s'", filename);
3413
3414       closeFile(file);
3415
3416       return;
3417     }
3418
3419     // pre-2.0 level files have no game version, so use file version here
3420     level->game_version = level->file_version;
3421   }
3422
3423   if (level->file_version < FILE_VERSION_1_2)
3424   {
3425     // level files from versions before 1.2.0 without chunk structure
3426     LoadLevel_HEAD(file, LEVEL_CHUNK_HEAD_SIZE,         level);
3427     LoadLevel_BODY(file, level->fieldx * level->fieldy, level);
3428   }
3429   else
3430   {
3431     static struct
3432     {
3433       char *name;
3434       int size;
3435       int (*loader)(File *, int, struct LevelInfo *);
3436     }
3437     chunk_info[] =
3438     {
3439       { "VERS", LEVEL_CHUNK_VERS_SIZE,  LoadLevel_VERS },
3440       { "DATE", LEVEL_CHUNK_DATE_SIZE,  LoadLevel_DATE },
3441       { "HEAD", LEVEL_CHUNK_HEAD_SIZE,  LoadLevel_HEAD },
3442       { "NAME", LEVEL_CHUNK_NAME_SIZE,  LoadLevel_NAME },
3443       { "AUTH", LEVEL_CHUNK_AUTH_SIZE,  LoadLevel_AUTH },
3444       { "INFO", -1,                     LoadLevel_INFO },
3445       { "BODY", -1,                     LoadLevel_BODY },
3446       { "CONT", -1,                     LoadLevel_CONT },
3447       { "CNT2", LEVEL_CHUNK_CNT2_SIZE,  LoadLevel_CNT2 },
3448       { "CNT3", -1,                     LoadLevel_CNT3 },
3449       { "CUS1", -1,                     LoadLevel_CUS1 },
3450       { "CUS2", -1,                     LoadLevel_CUS2 },
3451       { "CUS3", -1,                     LoadLevel_CUS3 },
3452       { "CUS4", -1,                     LoadLevel_CUS4 },
3453       { "GRP1", -1,                     LoadLevel_GRP1 },
3454       { "CONF", -1,                     LoadLevel_CONF },
3455       { "ELEM", -1,                     LoadLevel_ELEM },
3456       { "NOTE", -1,                     LoadLevel_NOTE },
3457       { "CUSX", -1,                     LoadLevel_CUSX },
3458       { "GRPX", -1,                     LoadLevel_GRPX },
3459
3460       {  NULL,  0,                      NULL }
3461     };
3462
3463     while (getFileChunkBE(file, chunk_name, &chunk_size))
3464     {
3465       int i = 0;
3466
3467       while (chunk_info[i].name != NULL &&
3468              !strEqual(chunk_name, chunk_info[i].name))
3469         i++;
3470
3471       if (chunk_info[i].name == NULL)
3472       {
3473         Warn("unknown chunk '%s' in level file '%s'",
3474              chunk_name, filename);
3475
3476         ReadUnusedBytesFromFile(file, chunk_size);
3477       }
3478       else if (chunk_info[i].size != -1 &&
3479                chunk_info[i].size != chunk_size)
3480       {
3481         Warn("wrong size (%d) of chunk '%s' in level file '%s'",
3482              chunk_size, chunk_name, filename);
3483
3484         ReadUnusedBytesFromFile(file, chunk_size);
3485       }
3486       else
3487       {
3488         // call function to load this level chunk
3489         int chunk_size_expected =
3490           (chunk_info[i].loader)(file, chunk_size, level);
3491
3492         // the size of some chunks cannot be checked before reading other
3493         // chunks first (like "HEAD" and "BODY") that contain some header
3494         // information, so check them here
3495         if (chunk_size_expected != chunk_size)
3496         {
3497           Warn("wrong size (%d) of chunk '%s' in level file '%s'",
3498                chunk_size, chunk_name, filename);
3499         }
3500       }
3501     }
3502   }
3503
3504   closeFile(file);
3505 }
3506
3507
3508 // ----------------------------------------------------------------------------
3509 // functions for loading EM level
3510 // ----------------------------------------------------------------------------
3511
3512 static void CopyNativeLevel_RND_to_EM(struct LevelInfo *level)
3513 {
3514   static int ball_xy[8][2] =
3515   {
3516     { 0, 0 },
3517     { 1, 0 },
3518     { 2, 0 },
3519     { 0, 1 },
3520     { 2, 1 },
3521     { 0, 2 },
3522     { 1, 2 },
3523     { 2, 2 },
3524   };
3525   struct LevelInfo_EM *level_em = level->native_em_level;
3526   struct CAVE *cav = level_em->cav;
3527   int i, j, x, y;
3528
3529   cav->width  = MIN(level->fieldx, MAX_PLAYFIELD_WIDTH);
3530   cav->height = MIN(level->fieldy, MAX_PLAYFIELD_HEIGHT);
3531
3532   cav->time_seconds     = level->time;
3533   cav->gems_needed      = level->gems_needed;
3534
3535   cav->emerald_score    = level->score[SC_EMERALD];
3536   cav->diamond_score    = level->score[SC_DIAMOND];
3537   cav->alien_score      = level->score[SC_ROBOT];
3538   cav->tank_score       = level->score[SC_SPACESHIP];
3539   cav->bug_score        = level->score[SC_BUG];
3540   cav->eater_score      = level->score[SC_YAMYAM];
3541   cav->nut_score        = level->score[SC_NUT];
3542   cav->dynamite_score   = level->score[SC_DYNAMITE];
3543   cav->key_score        = level->score[SC_KEY];
3544   cav->exit_score       = level->score[SC_TIME_BONUS];
3545
3546   cav->num_eater_arrays = level->num_yamyam_contents;
3547
3548   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
3549     for (y = 0; y < 3; y++)
3550       for (x = 0; x < 3; x++)
3551         cav->eater_array[i][y * 3 + x] =
3552           map_element_RND_to_EM_cave(level->yamyam_content[i].e[x][y]);
3553
3554   cav->amoeba_time              = level->amoeba_speed;
3555   cav->wonderwall_time          = level->time_magic_wall;
3556   cav->wheel_time               = level->time_wheel;
3557
3558   cav->android_move_time        = level->android_move_time;
3559   cav->android_clone_time       = level->android_clone_time;
3560   cav->ball_random              = level->ball_random;
3561   cav->ball_active              = level->ball_active_initial;
3562   cav->ball_time                = level->ball_time;
3563   cav->num_ball_arrays          = level->num_ball_contents;
3564
3565   cav->lenses_score             = level->lenses_score;
3566   cav->magnify_score            = level->magnify_score;
3567   cav->slurp_score              = level->slurp_score;
3568
3569   cav->lenses_time              = level->lenses_time;
3570   cav->magnify_time             = level->magnify_time;
3571
3572   cav->wind_direction =
3573     map_direction_RND_to_EM(level->wind_direction_initial);
3574
3575   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
3576     for (j = 0; j < 8; j++)
3577       cav->ball_array[i][j] =
3578         map_element_RND_to_EM_cave(level->ball_content[i].
3579                                    e[ball_xy[j][0]][ball_xy[j][1]]);
3580
3581   map_android_clone_elements_RND_to_EM(level);
3582
3583   // first fill the complete playfield with the empty space element
3584   for (y = 0; y < EM_MAX_CAVE_HEIGHT; y++)
3585     for (x = 0; x < EM_MAX_CAVE_WIDTH; x++)
3586       cav->cave[x][y] = Cblank;
3587
3588   // then copy the real level contents from level file into the playfield
3589   for (y = 0; y < cav->height; y++) for (x = 0; x < cav->width; x++)
3590   {
3591     int new_element = map_element_RND_to_EM_cave(level->field[x][y]);
3592
3593     if (level->field[x][y] == EL_AMOEBA_DEAD)
3594       new_element = map_element_RND_to_EM_cave(EL_AMOEBA_WET);
3595
3596     cav->cave[x][y] = new_element;
3597   }
3598
3599   for (i = 0; i < MAX_PLAYERS; i++)
3600   {
3601     cav->player_x[i] = -1;
3602     cav->player_y[i] = -1;
3603   }
3604
3605   // initialize player positions and delete players from the playfield
3606   for (y = 0; y < cav->height; y++) for (x = 0; x < cav->width; x++)
3607   {
3608     if (ELEM_IS_PLAYER(level->field[x][y]))
3609     {
3610       int player_nr = GET_PLAYER_NR(level->field[x][y]);
3611
3612       cav->player_x[player_nr] = x;
3613       cav->player_y[player_nr] = y;
3614
3615       cav->cave[x][y] = map_element_RND_to_EM_cave(EL_EMPTY);
3616     }
3617   }
3618 }
3619
3620 static void CopyNativeLevel_EM_to_RND(struct LevelInfo *level)
3621 {
3622   static int ball_xy[8][2] =
3623   {
3624     { 0, 0 },
3625     { 1, 0 },
3626     { 2, 0 },
3627     { 0, 1 },
3628     { 2, 1 },
3629     { 0, 2 },
3630     { 1, 2 },
3631     { 2, 2 },
3632   };
3633   struct LevelInfo_EM *level_em = level->native_em_level;
3634   struct CAVE *cav = level_em->cav;
3635   int i, j, x, y;
3636
3637   level->fieldx = MIN(cav->width,  MAX_LEV_FIELDX);
3638   level->fieldy = MIN(cav->height, MAX_LEV_FIELDY);
3639
3640   level->time        = cav->time_seconds;
3641   level->gems_needed = cav->gems_needed;
3642
3643   sprintf(level->name, "Level %d", level->file_info.nr);
3644
3645   level->score[SC_EMERALD]      = cav->emerald_score;
3646   level->score[SC_DIAMOND]      = cav->diamond_score;
3647   level->score[SC_ROBOT]        = cav->alien_score;
3648   level->score[SC_SPACESHIP]    = cav->tank_score;
3649   level->score[SC_BUG]          = cav->bug_score;
3650   level->score[SC_YAMYAM]       = cav->eater_score;
3651   level->score[SC_NUT]          = cav->nut_score;
3652   level->score[SC_DYNAMITE]     = cav->dynamite_score;
3653   level->score[SC_KEY]          = cav->key_score;
3654   level->score[SC_TIME_BONUS]   = cav->exit_score;
3655
3656   level->num_yamyam_contents    = cav->num_eater_arrays;
3657
3658   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
3659     for (y = 0; y < 3; y++)
3660       for (x = 0; x < 3; x++)
3661         level->yamyam_content[i].e[x][y] =
3662           map_element_EM_to_RND_cave(cav->eater_array[i][y * 3 + x]);
3663
3664   level->amoeba_speed           = cav->amoeba_time;
3665   level->time_magic_wall        = cav->wonderwall_time;
3666   level->time_wheel             = cav->wheel_time;
3667
3668   level->android_move_time      = cav->android_move_time;
3669   level->android_clone_time     = cav->android_clone_time;
3670   level->ball_random            = cav->ball_random;
3671   level->ball_active_initial    = cav->ball_active;
3672   level->ball_time              = cav->ball_time;
3673   level->num_ball_contents      = cav->num_ball_arrays;
3674
3675   level->lenses_score           = cav->lenses_score;
3676   level->magnify_score          = cav->magnify_score;
3677   level->slurp_score            = cav->slurp_score;
3678
3679   level->lenses_time            = cav->lenses_time;
3680   level->magnify_time           = cav->magnify_time;
3681
3682   level->wind_direction_initial =
3683     map_direction_EM_to_RND(cav->wind_direction);
3684
3685   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
3686     for (j = 0; j < 8; j++)
3687       level->ball_content[i].e[ball_xy[j][0]][ball_xy[j][1]] =
3688         map_element_EM_to_RND_cave(cav->ball_array[i][j]);
3689
3690   map_android_clone_elements_EM_to_RND(level);
3691
3692   // convert the playfield (some elements need special treatment)
3693   for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
3694   {
3695     int new_element = map_element_EM_to_RND_cave(cav->cave[x][y]);
3696
3697     if (new_element == EL_AMOEBA_WET && level->amoeba_speed == 0)
3698       new_element = EL_AMOEBA_DEAD;
3699
3700     level->field[x][y] = new_element;
3701   }
3702
3703   for (i = 0; i < MAX_PLAYERS; i++)
3704   {
3705     // in case of all players set to the same field, use the first player
3706     int nr = MAX_PLAYERS - i - 1;
3707     int jx = cav->player_x[nr];
3708     int jy = cav->player_y[nr];
3709
3710     if (jx != -1 && jy != -1)
3711       level->field[jx][jy] = EL_PLAYER_1 + nr;
3712   }
3713 }
3714
3715
3716 // ----------------------------------------------------------------------------
3717 // functions for loading SP level
3718 // ----------------------------------------------------------------------------
3719
3720 static void CopyNativeLevel_RND_to_SP(struct LevelInfo *level)
3721 {
3722   struct LevelInfo_SP *level_sp = level->native_sp_level;
3723   LevelInfoType *header = &level_sp->header;
3724   int i, x, y;
3725
3726   level_sp->width  = level->fieldx;
3727   level_sp->height = level->fieldy;
3728
3729   for (x = 0; x < level->fieldx; x++)
3730     for (y = 0; y < level->fieldy; y++)
3731       level_sp->playfield[x][y] = map_element_RND_to_SP(level->field[x][y]);
3732
3733   header->InitialGravity = (level->initial_player_gravity[0] ? 1 : 0);
3734
3735   for (i = 0; i < SP_LEVEL_NAME_LEN; i++)
3736     header->LevelTitle[i] = level->name[i];
3737   // !!! NO STRING TERMINATION IN SUPAPLEX VB CODE YET -- FIX THIS !!!
3738
3739   header->InfotronsNeeded = level->gems_needed;
3740
3741   header->SpecialPortCount = 0;
3742
3743   for (x = 0; x < level->fieldx; x++) for (y = 0; y < level->fieldy; y++)
3744   {
3745     boolean gravity_port_found = FALSE;
3746     boolean gravity_port_valid = FALSE;
3747     int gravity_port_flag;
3748     int gravity_port_base_element;
3749     int element = level->field[x][y];
3750
3751     if (element >= EL_SP_GRAVITY_ON_PORT_RIGHT &&
3752         element <= EL_SP_GRAVITY_ON_PORT_UP)
3753     {
3754       gravity_port_found = TRUE;
3755       gravity_port_valid = TRUE;
3756       gravity_port_flag = 1;
3757       gravity_port_base_element = EL_SP_GRAVITY_ON_PORT_RIGHT;
3758     }
3759     else if (element >= EL_SP_GRAVITY_OFF_PORT_RIGHT &&
3760              element <= EL_SP_GRAVITY_OFF_PORT_UP)
3761     {
3762       gravity_port_found = TRUE;
3763       gravity_port_valid = TRUE;
3764       gravity_port_flag = 0;
3765       gravity_port_base_element = EL_SP_GRAVITY_OFF_PORT_RIGHT;
3766     }
3767     else if (element >= EL_SP_GRAVITY_PORT_RIGHT &&
3768              element <= EL_SP_GRAVITY_PORT_UP)
3769     {
3770       // change R'n'D style gravity inverting special port to normal port
3771       // (there are no gravity inverting ports in native Supaplex engine)
3772
3773       gravity_port_found = TRUE;
3774       gravity_port_valid = FALSE;
3775       gravity_port_base_element = EL_SP_GRAVITY_PORT_RIGHT;
3776     }
3777
3778     if (gravity_port_found)
3779     {
3780       if (gravity_port_valid &&
3781           header->SpecialPortCount < SP_MAX_SPECIAL_PORTS)
3782       {
3783         SpecialPortType *port = &header->SpecialPort[header->SpecialPortCount];
3784
3785         port->PortLocation = (y * level->fieldx + x) * 2;
3786         port->Gravity = gravity_port_flag;
3787
3788         element += EL_SP_GRAVITY_PORT_RIGHT - gravity_port_base_element;
3789
3790         header->SpecialPortCount++;
3791       }
3792       else
3793       {
3794         // change special gravity port to normal port
3795
3796         element += EL_SP_PORT_RIGHT - gravity_port_base_element;
3797       }
3798
3799       level_sp->playfield[x][y] = element - EL_SP_START;
3800     }
3801   }
3802 }
3803
3804 static void CopyNativeLevel_SP_to_RND(struct LevelInfo *level)
3805 {
3806   struct LevelInfo_SP *level_sp = level->native_sp_level;
3807   LevelInfoType *header = &level_sp->header;
3808   boolean num_invalid_elements = 0;
3809   int i, j, x, y;
3810
3811   level->fieldx = level_sp->width;
3812   level->fieldy = level_sp->height;
3813
3814   for (x = 0; x < level->fieldx; x++)
3815   {
3816     for (y = 0; y < level->fieldy; y++)
3817     {
3818       int element_old = level_sp->playfield[x][y];
3819       int element_new = getMappedElement(map_element_SP_to_RND(element_old));
3820
3821       if (element_new == EL_UNKNOWN)
3822       {
3823         num_invalid_elements++;
3824
3825         Debug("level:native:SP", "invalid element %d at position %d, %d",
3826               element_old, x, y);
3827       }
3828
3829       level->field[x][y] = element_new;
3830     }
3831   }
3832
3833   if (num_invalid_elements > 0)
3834     Warn("found %d invalid elements%s", num_invalid_elements,
3835          (!options.debug ? " (use '--debug' for more details)" : ""));
3836
3837   for (i = 0; i < MAX_PLAYERS; i++)
3838     level->initial_player_gravity[i] =
3839       (header->InitialGravity == 1 ? TRUE : FALSE);
3840
3841   // skip leading spaces
3842   for (i = 0; i < SP_LEVEL_NAME_LEN; i++)
3843     if (header->LevelTitle[i] != ' ')
3844       break;
3845
3846   // copy level title
3847   for (j = 0; i < SP_LEVEL_NAME_LEN; i++, j++)
3848     level->name[j] = header->LevelTitle[i];
3849   level->name[j] = '\0';
3850
3851   // cut trailing spaces
3852   for (; j > 0; j--)
3853     if (level->name[j - 1] == ' ' && level->name[j] == '\0')
3854       level->name[j - 1] = '\0';
3855
3856   level->gems_needed = header->InfotronsNeeded;
3857
3858   for (i = 0; i < header->SpecialPortCount; i++)
3859   {
3860     SpecialPortType *port = &header->SpecialPort[i];
3861     int port_location = port->PortLocation;
3862     int gravity = port->Gravity;
3863     int port_x, port_y, port_element;
3864
3865     port_x = (port_location / 2) % level->fieldx;
3866     port_y = (port_location / 2) / level->fieldx;
3867
3868     if (port_x < 0 || port_x >= level->fieldx ||
3869         port_y < 0 || port_y >= level->fieldy)
3870     {
3871       Warn("special port position (%d, %d) out of bounds", port_x, port_y);
3872
3873       continue;
3874     }
3875
3876     port_element = level->field[port_x][port_y];
3877
3878     if (port_element < EL_SP_GRAVITY_PORT_RIGHT ||
3879         port_element > EL_SP_GRAVITY_PORT_UP)
3880     {
3881       Warn("no special port at position (%d, %d)", port_x, port_y);
3882
3883       continue;
3884     }
3885
3886     // change previous (wrong) gravity inverting special port to either
3887     // gravity enabling special port or gravity disabling special port
3888     level->field[port_x][port_y] +=
3889       (gravity == 1 ? EL_SP_GRAVITY_ON_PORT_RIGHT :
3890        EL_SP_GRAVITY_OFF_PORT_RIGHT) - EL_SP_GRAVITY_PORT_RIGHT;
3891   }
3892
3893   // change special gravity ports without database entries to normal ports
3894   for (x = 0; x < level->fieldx; x++)
3895     for (y = 0; y < level->fieldy; y++)
3896       if (level->field[x][y] >= EL_SP_GRAVITY_PORT_RIGHT &&
3897           level->field[x][y] <= EL_SP_GRAVITY_PORT_UP)
3898         level->field[x][y] += EL_SP_PORT_RIGHT - EL_SP_GRAVITY_PORT_RIGHT;
3899
3900   level->time = 0;                      // no time limit
3901   level->amoeba_speed = 0;
3902   level->time_magic_wall = 0;
3903   level->time_wheel = 0;
3904   level->amoeba_content = EL_EMPTY;
3905
3906 #if 1
3907   // original Supaplex does not use score values -- use default values
3908 #else
3909   for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
3910     level->score[i] = 0;
3911 #endif
3912
3913   // there are no yamyams in supaplex levels
3914   for (i = 0; i < level->num_yamyam_contents; i++)
3915     for (x = 0; x < 3; x++)
3916       for (y = 0; y < 3; y++)
3917         level->yamyam_content[i].e[x][y] = EL_EMPTY;
3918 }
3919
3920 static void CopyNativeTape_RND_to_SP(struct LevelInfo *level)
3921 {
3922   struct LevelInfo_SP *level_sp = level->native_sp_level;
3923   struct DemoInfo_SP *demo = &level_sp->demo;
3924   int i, j;
3925
3926   // always start with reliable default values
3927   demo->is_available = FALSE;
3928   demo->length = 0;
3929
3930   if (TAPE_IS_EMPTY(tape))
3931     return;
3932
3933   demo->level_nr = tape.level_nr;       // (currently not used)
3934
3935   level_sp->header.DemoRandomSeed = tape.random_seed;
3936
3937   demo->length = 0;
3938
3939   for (i = 0; i < tape.length; i++)
3940   {
3941     int demo_action = map_key_RND_to_SP(tape.pos[i].action[0]);
3942     int demo_repeat = tape.pos[i].delay;
3943     int demo_entries = (demo_repeat + 15) / 16;
3944
3945     if (demo->length + demo_entries >= SP_MAX_TAPE_LEN)
3946     {
3947       Warn("tape truncated: size exceeds maximum SP demo size %d",
3948            SP_MAX_TAPE_LEN);
3949
3950       break;
3951     }
3952
3953     for (j = 0; j < demo_repeat / 16; j++)
3954       demo->data[demo->length++] = 0xf0 | demo_action;
3955
3956     if (demo_repeat % 16)
3957       demo->data[demo->length++] = ((demo_repeat % 16 - 1) << 4) | demo_action;
3958   }
3959
3960   demo->is_available = TRUE;
3961 }
3962
3963 static void setTapeInfoToDefaults(void);
3964
3965 static void CopyNativeTape_SP_to_RND(struct LevelInfo *level)
3966 {
3967   struct LevelInfo_SP *level_sp = level->native_sp_level;
3968   struct DemoInfo_SP *demo = &level_sp->demo;
3969   char *filename = level->file_info.filename;
3970   int i;
3971
3972   // always start with reliable default values
3973   setTapeInfoToDefaults();
3974
3975   if (!demo->is_available)
3976     return;
3977
3978   tape.level_nr = demo->level_nr;       // (currently not used)
3979   tape.random_seed = level_sp->header.DemoRandomSeed;
3980
3981   TapeSetDateFromEpochSeconds(getFileTimestampEpochSeconds(filename));
3982
3983   tape.counter = 0;
3984   tape.pos[tape.counter].delay = 0;
3985
3986   for (i = 0; i < demo->length; i++)
3987   {
3988     int demo_action = demo->data[i] & 0x0f;
3989     int demo_repeat = (demo->data[i] & 0xf0) >> 4;
3990     int tape_action = map_key_SP_to_RND(demo_action);
3991     int tape_repeat = demo_repeat + 1;
3992     byte action[MAX_TAPE_ACTIONS] = { tape_action };
3993     boolean success = 0;
3994     int j;
3995
3996     for (j = 0; j < tape_repeat; j++)
3997       success = TapeAddAction(action);
3998
3999     if (!success)
4000     {
4001       Warn("SP demo truncated: size exceeds maximum tape size %d",
4002            MAX_TAPE_LEN);
4003
4004       break;
4005     }
4006   }
4007
4008   TapeHaltRecording();
4009 }
4010
4011
4012 // ----------------------------------------------------------------------------
4013 // functions for loading MM level
4014 // ----------------------------------------------------------------------------
4015
4016 static void CopyNativeLevel_RND_to_MM(struct LevelInfo *level)
4017 {
4018   struct LevelInfo_MM *level_mm = level->native_mm_level;
4019   int x, y;
4020
4021   level_mm->fieldx = MIN(level->fieldx, MM_MAX_PLAYFIELD_WIDTH);
4022   level_mm->fieldy = MIN(level->fieldy, MM_MAX_PLAYFIELD_HEIGHT);
4023
4024   level_mm->time = level->time;
4025   level_mm->kettles_needed = level->gems_needed;
4026   level_mm->auto_count_kettles = level->auto_count_gems;
4027
4028   level_mm->laser_red = level->mm_laser_red;
4029   level_mm->laser_green = level->mm_laser_green;
4030   level_mm->laser_blue = level->mm_laser_blue;
4031
4032   strcpy(level_mm->name, level->name);
4033   strcpy(level_mm->author, level->author);
4034
4035   level_mm->score[SC_EMERALD]    = level->score[SC_EMERALD];
4036   level_mm->score[SC_PACMAN]     = level->score[SC_PACMAN];
4037   level_mm->score[SC_KEY]        = level->score[SC_KEY];
4038   level_mm->score[SC_TIME_BONUS] = level->score[SC_TIME_BONUS];
4039   level_mm->score[SC_ELEM_BONUS] = level->score[SC_ELEM_BONUS];
4040
4041   level_mm->amoeba_speed = level->amoeba_speed;
4042   level_mm->time_fuse    = level->mm_time_fuse;
4043   level_mm->time_bomb    = level->mm_time_bomb;
4044   level_mm->time_ball    = level->mm_time_ball;
4045   level_mm->time_block   = level->mm_time_block;
4046
4047   for (x = 0; x < level->fieldx; x++)
4048     for (y = 0; y < level->fieldy; y++)
4049       Ur[x][y] =
4050         level_mm->field[x][y] = map_element_RND_to_MM(level->field[x][y]);
4051 }
4052
4053 static void CopyNativeLevel_MM_to_RND(struct LevelInfo *level)
4054 {
4055   struct LevelInfo_MM *level_mm = level->native_mm_level;
4056   int x, y;
4057
4058   level->fieldx = MIN(level_mm->fieldx, MAX_LEV_FIELDX);
4059   level->fieldy = MIN(level_mm->fieldy, MAX_LEV_FIELDY);
4060
4061   level->time = level_mm->time;
4062   level->gems_needed = level_mm->kettles_needed;
4063   level->auto_count_gems = level_mm->auto_count_kettles;
4064
4065   level->mm_laser_red = level_mm->laser_red;
4066   level->mm_laser_green = level_mm->laser_green;
4067   level->mm_laser_blue = level_mm->laser_blue;
4068
4069   strcpy(level->name, level_mm->name);
4070
4071   // only overwrite author from 'levelinfo.conf' if author defined in level
4072   if (!strEqual(level_mm->author, ANONYMOUS_NAME))
4073     strcpy(level->author, level_mm->author);
4074
4075   level->score[SC_EMERALD]    = level_mm->score[SC_EMERALD];
4076   level->score[SC_PACMAN]     = level_mm->score[SC_PACMAN];
4077   level->score[SC_KEY]        = level_mm->score[SC_KEY];
4078   level->score[SC_TIME_BONUS] = level_mm->score[SC_TIME_BONUS];
4079   level->score[SC_ELEM_BONUS] = level_mm->score[SC_ELEM_BONUS];
4080
4081   level->amoeba_speed  = level_mm->amoeba_speed;
4082   level->mm_time_fuse  = level_mm->time_fuse;
4083   level->mm_time_bomb  = level_mm->time_bomb;
4084   level->mm_time_ball  = level_mm->time_ball;
4085   level->mm_time_block = level_mm->time_block;
4086
4087   for (x = 0; x < level->fieldx; x++)
4088     for (y = 0; y < level->fieldy; y++)
4089       level->field[x][y] = map_element_MM_to_RND(level_mm->field[x][y]);
4090 }
4091
4092
4093 // ----------------------------------------------------------------------------
4094 // functions for loading DC level
4095 // ----------------------------------------------------------------------------
4096
4097 #define DC_LEVEL_HEADER_SIZE            344
4098
4099 static unsigned short getDecodedWord_DC(unsigned short data_encoded,
4100                                         boolean init)
4101 {
4102   static int last_data_encoded;
4103   static int offset1;
4104   static int offset2;
4105   int diff;
4106   int diff_hi, diff_lo;
4107   int data_hi, data_lo;
4108   unsigned short data_decoded;
4109
4110   if (init)
4111   {
4112     last_data_encoded = 0;
4113     offset1 = -1;
4114     offset2 = 0;
4115
4116     return 0;
4117   }
4118
4119   diff = data_encoded - last_data_encoded;
4120   diff_hi = diff & ~0xff;
4121   diff_lo = diff &  0xff;
4122
4123   offset2 += diff_lo;
4124
4125   data_hi = diff_hi - (offset1 << 8) + (offset2 & 0xff00);
4126   data_lo = (diff_lo + (data_hi >> 16)) & 0x00ff;
4127   data_hi = data_hi & 0xff00;
4128
4129   data_decoded = data_hi | data_lo;
4130
4131   last_data_encoded = data_encoded;
4132
4133   offset1 = (offset1 + 1) % 31;
4134   offset2 = offset2 & 0xff;
4135
4136   return data_decoded;
4137 }
4138
4139 static int getMappedElement_DC(int element)
4140 {
4141   switch (element)
4142   {
4143     case 0x0000:
4144       element = EL_ROCK;
4145       break;
4146
4147       // 0x0117 - 0x036e: (?)
4148       // EL_DIAMOND
4149
4150       // 0x042d - 0x0684: (?)
4151       // EL_EMERALD
4152
4153     case 0x06f1:
4154       element = EL_NUT;
4155       break;
4156
4157     case 0x074c:
4158       element = EL_BOMB;
4159       break;
4160
4161     case 0x07a4:
4162       element = EL_PEARL;
4163       break;
4164
4165     case 0x0823:
4166       element = EL_CRYSTAL;
4167       break;
4168
4169     case 0x0e77:        // quicksand (boulder)
4170       element = EL_QUICKSAND_FAST_FULL;
4171       break;
4172
4173     case 0x0e99:        // slow quicksand (boulder)
4174       element = EL_QUICKSAND_FULL;
4175       break;
4176
4177     case 0x0ed2:
4178       element = EL_EM_EXIT_OPEN;
4179       break;
4180
4181     case 0x0ee3:
4182       element = EL_EM_EXIT_CLOSED;
4183       break;
4184
4185     case 0x0eeb:
4186       element = EL_EM_STEEL_EXIT_OPEN;
4187       break;
4188
4189     case 0x0efc:
4190       element = EL_EM_STEEL_EXIT_CLOSED;
4191       break;
4192
4193     case 0x0f4f:        // dynamite (lit 1)
4194       element = EL_EM_DYNAMITE_ACTIVE;
4195       break;
4196
4197     case 0x0f57:        // dynamite (lit 2)
4198       element = EL_EM_DYNAMITE_ACTIVE;
4199       break;
4200
4201     case 0x0f5f:        // dynamite (lit 3)
4202       element = EL_EM_DYNAMITE_ACTIVE;
4203       break;
4204
4205     case 0x0f67:        // dynamite (lit 4)
4206       element = EL_EM_DYNAMITE_ACTIVE;
4207       break;
4208
4209     case 0x0f81:
4210     case 0x0f82:
4211     case 0x0f83:
4212     case 0x0f84:
4213       element = EL_AMOEBA_WET;
4214       break;
4215
4216     case 0x0f85:
4217       element = EL_AMOEBA_DROP;
4218       break;
4219
4220     case 0x0fb9:
4221       element = EL_DC_MAGIC_WALL;
4222       break;
4223
4224     case 0x0fd0:
4225       element = EL_SPACESHIP_UP;
4226       break;
4227
4228     case 0x0fd9:
4229       element = EL_SPACESHIP_DOWN;
4230       break;
4231
4232     case 0x0ff1:
4233       element = EL_SPACESHIP_LEFT;
4234       break;
4235
4236     case 0x0ff9:
4237       element = EL_SPACESHIP_RIGHT;
4238       break;
4239
4240     case 0x1057:
4241       element = EL_BUG_UP;
4242       break;
4243
4244     case 0x1060:
4245       element = EL_BUG_DOWN;
4246       break;
4247
4248     case 0x1078:
4249       element = EL_BUG_LEFT;
4250       break;
4251
4252     case 0x1080:
4253       element = EL_BUG_RIGHT;
4254       break;
4255
4256     case 0x10de:
4257       element = EL_MOLE_UP;
4258       break;
4259
4260     case 0x10e7:
4261       element = EL_MOLE_DOWN;
4262       break;
4263
4264     case 0x10ff:
4265       element = EL_MOLE_LEFT;
4266       break;
4267
4268     case 0x1107:
4269       element = EL_MOLE_RIGHT;
4270       break;
4271
4272     case 0x11c0:
4273       element = EL_ROBOT;
4274       break;
4275
4276     case 0x13f5:
4277       element = EL_YAMYAM;
4278       break;
4279
4280     case 0x1425:
4281       element = EL_SWITCHGATE_OPEN;
4282       break;
4283
4284     case 0x1426:
4285       element = EL_SWITCHGATE_CLOSED;
4286       break;
4287
4288     case 0x1437:
4289       element = EL_DC_SWITCHGATE_SWITCH_UP;
4290       break;
4291
4292     case 0x143a:
4293       element = EL_TIMEGATE_CLOSED;
4294       break;
4295
4296     case 0x144c:        // conveyor belt switch (green)
4297       element = EL_CONVEYOR_BELT_3_SWITCH_MIDDLE;
4298       break;
4299
4300     case 0x144f:        // conveyor belt switch (red)
4301       element = EL_CONVEYOR_BELT_1_SWITCH_MIDDLE;
4302       break;
4303
4304     case 0x1452:        // conveyor belt switch (blue)
4305       element = EL_CONVEYOR_BELT_4_SWITCH_MIDDLE;
4306       break;
4307
4308     case 0x145b:
4309       element = EL_CONVEYOR_BELT_3_MIDDLE;
4310       break;
4311
4312     case 0x1463:
4313       element = EL_CONVEYOR_BELT_3_LEFT;
4314       break;
4315
4316     case 0x146b:
4317       element = EL_CONVEYOR_BELT_3_RIGHT;
4318       break;
4319
4320     case 0x1473:
4321       element = EL_CONVEYOR_BELT_1_MIDDLE;
4322       break;
4323
4324     case 0x147b:
4325       element = EL_CONVEYOR_BELT_1_LEFT;
4326       break;
4327
4328     case 0x1483:
4329       element = EL_CONVEYOR_BELT_1_RIGHT;
4330       break;
4331
4332     case 0x148b:
4333       element = EL_CONVEYOR_BELT_4_MIDDLE;
4334       break;
4335
4336     case 0x1493:
4337       element = EL_CONVEYOR_BELT_4_LEFT;
4338       break;
4339
4340     case 0x149b:
4341       element = EL_CONVEYOR_BELT_4_RIGHT;
4342       break;
4343
4344     case 0x14ac:
4345       element = EL_EXPANDABLE_WALL_HORIZONTAL;
4346       break;
4347
4348     case 0x14bd:
4349       element = EL_EXPANDABLE_WALL_VERTICAL;
4350       break;
4351
4352     case 0x14c6:
4353       element = EL_EXPANDABLE_WALL_ANY;
4354       break;
4355
4356     case 0x14ce:        // growing steel wall (left/right)
4357       element = EL_EXPANDABLE_STEELWALL_HORIZONTAL;
4358       break;
4359
4360     case 0x14df:        // growing steel wall (up/down)
4361       element = EL_EXPANDABLE_STEELWALL_VERTICAL;
4362       break;
4363
4364     case 0x14e8:        // growing steel wall (up/down/left/right)
4365       element = EL_EXPANDABLE_STEELWALL_ANY;
4366       break;
4367
4368     case 0x14e9:
4369       element = EL_SHIELD_DEADLY;
4370       break;
4371
4372     case 0x1501:
4373       element = EL_EXTRA_TIME;
4374       break;
4375
4376     case 0x154f:
4377       element = EL_ACID;
4378       break;
4379
4380     case 0x1577:
4381       element = EL_EMPTY_SPACE;
4382       break;
4383
4384     case 0x1578:        // quicksand (empty)
4385       element = EL_QUICKSAND_FAST_EMPTY;
4386       break;
4387
4388     case 0x1579:        // slow quicksand (empty)
4389       element = EL_QUICKSAND_EMPTY;
4390       break;
4391
4392       // 0x157c - 0x158b:
4393       // EL_SAND
4394
4395       // 0x1590 - 0x159f:
4396       // EL_DC_LANDMINE
4397
4398     case 0x15a0:
4399       element = EL_EM_DYNAMITE;
4400       break;
4401
4402     case 0x15a1:        // key (red)
4403       element = EL_EM_KEY_1;
4404       break;
4405
4406     case 0x15a2:        // key (yellow)
4407       element = EL_EM_KEY_2;
4408       break;
4409
4410     case 0x15a3:        // key (blue)
4411       element = EL_EM_KEY_4;
4412       break;
4413
4414     case 0x15a4:        // key (green)
4415       element = EL_EM_KEY_3;
4416       break;
4417
4418     case 0x15a5:        // key (white)
4419       element = EL_DC_KEY_WHITE;
4420       break;
4421
4422     case 0x15a6:
4423       element = EL_WALL_SLIPPERY;
4424       break;
4425
4426     case 0x15a7:
4427       element = EL_WALL;
4428       break;
4429
4430     case 0x15a8:        // wall (not round)
4431       element = EL_WALL;
4432       break;
4433
4434     case 0x15a9:        // (blue)
4435       element = EL_CHAR_A;
4436       break;
4437
4438     case 0x15aa:        // (blue)
4439       element = EL_CHAR_B;
4440       break;
4441
4442     case 0x15ab:        // (blue)
4443       element = EL_CHAR_C;
4444       break;
4445
4446     case 0x15ac:        // (blue)
4447       element = EL_CHAR_D;
4448       break;
4449
4450     case 0x15ad:        // (blue)
4451       element = EL_CHAR_E;
4452       break;
4453
4454     case 0x15ae:        // (blue)
4455       element = EL_CHAR_F;
4456       break;
4457
4458     case 0x15af:        // (blue)
4459       element = EL_CHAR_G;
4460       break;
4461
4462     case 0x15b0:        // (blue)
4463       element = EL_CHAR_H;
4464       break;
4465
4466     case 0x15b1:        // (blue)
4467       element = EL_CHAR_I;
4468       break;
4469
4470     case 0x15b2:        // (blue)
4471       element = EL_CHAR_J;
4472       break;
4473
4474     case 0x15b3:        // (blue)
4475       element = EL_CHAR_K;
4476       break;
4477
4478     case 0x15b4:        // (blue)
4479       element = EL_CHAR_L;
4480       break;
4481
4482     case 0x15b5:        // (blue)
4483       element = EL_CHAR_M;
4484       break;
4485
4486     case 0x15b6:        // (blue)
4487       element = EL_CHAR_N;
4488       break;
4489
4490     case 0x15b7:        // (blue)
4491       element = EL_CHAR_O;
4492       break;
4493
4494     case 0x15b8:        // (blue)
4495       element = EL_CHAR_P;
4496       break;
4497
4498     case 0x15b9:        // (blue)
4499       element = EL_CHAR_Q;
4500       break;
4501
4502     case 0x15ba:        // (blue)
4503       element = EL_CHAR_R;
4504       break;
4505
4506     case 0x15bb:        // (blue)
4507       element = EL_CHAR_S;
4508       break;
4509
4510     case 0x15bc:        // (blue)
4511       element = EL_CHAR_T;
4512       break;
4513
4514     case 0x15bd:        // (blue)
4515       element = EL_CHAR_U;
4516       break;
4517
4518     case 0x15be:        // (blue)
4519       element = EL_CHAR_V;
4520       break;
4521
4522     case 0x15bf:        // (blue)
4523       element = EL_CHAR_W;
4524       break;
4525
4526     case 0x15c0:        // (blue)
4527       element = EL_CHAR_X;
4528       break;
4529
4530     case 0x15c1:        // (blue)
4531       element = EL_CHAR_Y;
4532       break;
4533
4534     case 0x15c2:        // (blue)
4535       element = EL_CHAR_Z;
4536       break;
4537
4538     case 0x15c3:        // (blue)
4539       element = EL_CHAR_AUMLAUT;
4540       break;
4541
4542     case 0x15c4:        // (blue)
4543       element = EL_CHAR_OUMLAUT;
4544       break;
4545
4546     case 0x15c5:        // (blue)
4547       element = EL_CHAR_UUMLAUT;
4548       break;
4549
4550     case 0x15c6:        // (blue)
4551       element = EL_CHAR_0;
4552       break;
4553
4554     case 0x15c7:        // (blue)
4555       element = EL_CHAR_1;
4556       break;
4557
4558     case 0x15c8:        // (blue)
4559       element = EL_CHAR_2;
4560       break;
4561
4562     case 0x15c9:        // (blue)
4563       element = EL_CHAR_3;
4564       break;
4565
4566     case 0x15ca:        // (blue)
4567       element = EL_CHAR_4;
4568       break;
4569
4570     case 0x15cb:        // (blue)
4571       element = EL_CHAR_5;
4572       break;
4573
4574     case 0x15cc:        // (blue)
4575       element = EL_CHAR_6;
4576       break;
4577
4578     case 0x15cd:        // (blue)
4579       element = EL_CHAR_7;
4580       break;
4581
4582     case 0x15ce:        // (blue)
4583       element = EL_CHAR_8;
4584       break;
4585
4586     case 0x15cf:        // (blue)
4587       element = EL_CHAR_9;
4588       break;
4589
4590     case 0x15d0:        // (blue)
4591       element = EL_CHAR_PERIOD;
4592       break;
4593
4594     case 0x15d1:        // (blue)
4595       element = EL_CHAR_EXCLAM;
4596       break;
4597
4598     case 0x15d2:        // (blue)
4599       element = EL_CHAR_COLON;
4600       break;
4601
4602     case 0x15d3:        // (blue)
4603       element = EL_CHAR_LESS;
4604       break;
4605
4606     case 0x15d4:        // (blue)
4607       element = EL_CHAR_GREATER;
4608       break;
4609
4610     case 0x15d5:        // (blue)
4611       element = EL_CHAR_QUESTION;
4612       break;
4613
4614     case 0x15d6:        // (blue)
4615       element = EL_CHAR_COPYRIGHT;
4616       break;
4617
4618     case 0x15d7:        // (blue)
4619       element = EL_CHAR_UP;
4620       break;
4621
4622     case 0x15d8:        // (blue)
4623       element = EL_CHAR_DOWN;
4624       break;
4625
4626     case 0x15d9:        // (blue)
4627       element = EL_CHAR_BUTTON;
4628       break;
4629
4630     case 0x15da:        // (blue)
4631       element = EL_CHAR_PLUS;
4632       break;
4633
4634     case 0x15db:        // (blue)
4635       element = EL_CHAR_MINUS;
4636       break;
4637
4638     case 0x15dc:        // (blue)
4639       element = EL_CHAR_APOSTROPHE;
4640       break;
4641
4642     case 0x15dd:        // (blue)
4643       element = EL_CHAR_PARENLEFT;
4644       break;
4645
4646     case 0x15de:        // (blue)
4647       element = EL_CHAR_PARENRIGHT;
4648       break;
4649
4650     case 0x15df:        // (green)
4651       element = EL_CHAR_A;
4652       break;
4653
4654     case 0x15e0:        // (green)
4655       element = EL_CHAR_B;
4656       break;
4657
4658     case 0x15e1:        // (green)
4659       element = EL_CHAR_C;
4660       break;
4661
4662     case 0x15e2:        // (green)
4663       element = EL_CHAR_D;
4664       break;
4665
4666     case 0x15e3:        // (green)
4667       element = EL_CHAR_E;
4668       break;
4669
4670     case 0x15e4:        // (green)
4671       element = EL_CHAR_F;
4672       break;
4673
4674     case 0x15e5:        // (green)
4675       element = EL_CHAR_G;
4676       break;
4677
4678     case 0x15e6:        // (green)
4679       element = EL_CHAR_H;
4680       break;
4681
4682     case 0x15e7:        // (green)
4683       element = EL_CHAR_I;
4684       break;
4685
4686     case 0x15e8:        // (green)
4687       element = EL_CHAR_J;
4688       break;
4689
4690     case 0x15e9:        // (green)
4691       element = EL_CHAR_K;
4692       break;
4693
4694     case 0x15ea:        // (green)
4695       element = EL_CHAR_L;
4696       break;
4697
4698     case 0x15eb:        // (green)
4699       element = EL_CHAR_M;
4700       break;
4701
4702     case 0x15ec:        // (green)
4703       element = EL_CHAR_N;
4704       break;
4705
4706     case 0x15ed:        // (green)
4707       element = EL_CHAR_O;
4708       break;
4709
4710     case 0x15ee:        // (green)
4711       element = EL_CHAR_P;
4712       break;
4713
4714     case 0x15ef:        // (green)
4715       element = EL_CHAR_Q;
4716       break;
4717
4718     case 0x15f0:        // (green)
4719       element = EL_CHAR_R;
4720       break;
4721
4722     case 0x15f1:        // (green)
4723       element = EL_CHAR_S;
4724       break;
4725
4726     case 0x15f2:        // (green)
4727       element = EL_CHAR_T;
4728       break;
4729
4730     case 0x15f3:        // (green)
4731       element = EL_CHAR_U;
4732       break;
4733
4734     case 0x15f4:        // (green)
4735       element = EL_CHAR_V;
4736       break;
4737
4738     case 0x15f5:        // (green)
4739       element = EL_CHAR_W;
4740       break;
4741
4742     case 0x15f6:        // (green)
4743       element = EL_CHAR_X;
4744       break;
4745
4746     case 0x15f7:        // (green)
4747       element = EL_CHAR_Y;
4748       break;
4749
4750     case 0x15f8:        // (green)
4751       element = EL_CHAR_Z;
4752       break;
4753
4754     case 0x15f9:        // (green)
4755       element = EL_CHAR_AUMLAUT;
4756       break;
4757
4758     case 0x15fa:        // (green)
4759       element = EL_CHAR_OUMLAUT;
4760       break;
4761
4762     case 0x15fb:        // (green)
4763       element = EL_CHAR_UUMLAUT;
4764       break;
4765
4766     case 0x15fc:        // (green)
4767       element = EL_CHAR_0;
4768       break;
4769
4770     case 0x15fd:        // (green)
4771       element = EL_CHAR_1;
4772       break;
4773
4774     case 0x15fe:        // (green)
4775       element = EL_CHAR_2;
4776       break;
4777
4778     case 0x15ff:        // (green)
4779       element = EL_CHAR_3;
4780       break;
4781
4782     case 0x1600:        // (green)
4783       element = EL_CHAR_4;
4784       break;
4785
4786     case 0x1601:        // (green)
4787       element = EL_CHAR_5;
4788       break;
4789
4790     case 0x1602:        // (green)
4791       element = EL_CHAR_6;
4792       break;
4793
4794     case 0x1603:        // (green)
4795       element = EL_CHAR_7;
4796       break;
4797
4798     case 0x1604:        // (green)
4799       element = EL_CHAR_8;
4800       break;
4801
4802     case 0x1605:        // (green)
4803       element = EL_CHAR_9;
4804       break;
4805
4806     case 0x1606:        // (green)
4807       element = EL_CHAR_PERIOD;
4808       break;
4809
4810     case 0x1607:        // (green)
4811       element = EL_CHAR_EXCLAM;
4812       break;
4813
4814     case 0x1608:        // (green)
4815       element = EL_CHAR_COLON;
4816       break;
4817
4818     case 0x1609:        // (green)
4819       element = EL_CHAR_LESS;
4820       break;
4821
4822     case 0x160a:        // (green)
4823       element = EL_CHAR_GREATER;
4824       break;
4825
4826     case 0x160b:        // (green)
4827       element = EL_CHAR_QUESTION;
4828       break;
4829
4830     case 0x160c:        // (green)
4831       element = EL_CHAR_COPYRIGHT;
4832       break;
4833
4834     case 0x160d:        // (green)
4835       element = EL_CHAR_UP;
4836       break;
4837
4838     case 0x160e:        // (green)
4839       element = EL_CHAR_DOWN;
4840       break;
4841
4842     case 0x160f:        // (green)
4843       element = EL_CHAR_BUTTON;
4844       break;
4845
4846     case 0x1610:        // (green)
4847       element = EL_CHAR_PLUS;
4848       break;
4849
4850     case 0x1611:        // (green)
4851       element = EL_CHAR_MINUS;
4852       break;
4853
4854     case 0x1612:        // (green)
4855       element = EL_CHAR_APOSTROPHE;
4856       break;
4857
4858     case 0x1613:        // (green)
4859       element = EL_CHAR_PARENLEFT;
4860       break;
4861
4862     case 0x1614:        // (green)
4863       element = EL_CHAR_PARENRIGHT;
4864       break;
4865
4866     case 0x1615:        // (blue steel)
4867       element = EL_STEEL_CHAR_A;
4868       break;
4869
4870     case 0x1616:        // (blue steel)
4871       element = EL_STEEL_CHAR_B;
4872       break;
4873
4874     case 0x1617:        // (blue steel)
4875       element = EL_STEEL_CHAR_C;
4876       break;
4877
4878     case 0x1618:        // (blue steel)
4879       element = EL_STEEL_CHAR_D;
4880       break;
4881
4882     case 0x1619:        // (blue steel)
4883       element = EL_STEEL_CHAR_E;
4884       break;
4885
4886     case 0x161a:        // (blue steel)
4887       element = EL_STEEL_CHAR_F;
4888       break;
4889
4890     case 0x161b:        // (blue steel)
4891       element = EL_STEEL_CHAR_G;
4892       break;
4893
4894     case 0x161c:        // (blue steel)
4895       element = EL_STEEL_CHAR_H;
4896       break;
4897
4898     case 0x161d:        // (blue steel)
4899       element = EL_STEEL_CHAR_I;
4900       break;
4901
4902     case 0x161e:        // (blue steel)
4903       element = EL_STEEL_CHAR_J;
4904       break;
4905
4906     case 0x161f:        // (blue steel)
4907       element = EL_STEEL_CHAR_K;
4908       break;
4909
4910     case 0x1620:        // (blue steel)
4911       element = EL_STEEL_CHAR_L;
4912       break;
4913
4914     case 0x1621:        // (blue steel)
4915       element = EL_STEEL_CHAR_M;
4916       break;
4917
4918     case 0x1622:        // (blue steel)
4919       element = EL_STEEL_CHAR_N;
4920       break;
4921
4922     case 0x1623:        // (blue steel)
4923       element = EL_STEEL_CHAR_O;
4924       break;
4925
4926     case 0x1624:        // (blue steel)
4927       element = EL_STEEL_CHAR_P;
4928       break;
4929
4930     case 0x1625:        // (blue steel)
4931       element = EL_STEEL_CHAR_Q;
4932       break;
4933
4934     case 0x1626:        // (blue steel)
4935       element = EL_STEEL_CHAR_R;
4936       break;
4937
4938     case 0x1627:        // (blue steel)
4939       element = EL_STEEL_CHAR_S;
4940       break;
4941
4942     case 0x1628:        // (blue steel)
4943       element = EL_STEEL_CHAR_T;
4944       break;
4945
4946     case 0x1629:        // (blue steel)
4947       element = EL_STEEL_CHAR_U;
4948       break;
4949
4950     case 0x162a:        // (blue steel)
4951       element = EL_STEEL_CHAR_V;
4952       break;
4953
4954     case 0x162b:        // (blue steel)
4955       element = EL_STEEL_CHAR_W;
4956       break;
4957
4958     case 0x162c:        // (blue steel)
4959       element = EL_STEEL_CHAR_X;
4960       break;
4961
4962     case 0x162d:        // (blue steel)
4963       element = EL_STEEL_CHAR_Y;
4964       break;
4965
4966     case 0x162e:        // (blue steel)
4967       element = EL_STEEL_CHAR_Z;
4968       break;
4969
4970     case 0x162f:        // (blue steel)
4971       element = EL_STEEL_CHAR_AUMLAUT;
4972       break;
4973
4974     case 0x1630:        // (blue steel)
4975       element = EL_STEEL_CHAR_OUMLAUT;
4976       break;
4977
4978     case 0x1631:        // (blue steel)
4979       element = EL_STEEL_CHAR_UUMLAUT;
4980       break;
4981
4982     case 0x1632:        // (blue steel)
4983       element = EL_STEEL_CHAR_0;
4984       break;
4985
4986     case 0x1633:        // (blue steel)
4987       element = EL_STEEL_CHAR_1;
4988       break;
4989
4990     case 0x1634:        // (blue steel)
4991       element = EL_STEEL_CHAR_2;
4992       break;
4993
4994     case 0x1635:        // (blue steel)
4995       element = EL_STEEL_CHAR_3;
4996       break;
4997
4998     case 0x1636:        // (blue steel)
4999       element = EL_STEEL_CHAR_4;
5000       break;
5001
5002     case 0x1637:        // (blue steel)
5003       element = EL_STEEL_CHAR_5;
5004       break;
5005
5006     case 0x1638:        // (blue steel)
5007       element = EL_STEEL_CHAR_6;
5008       break;
5009
5010     case 0x1639:        // (blue steel)
5011       element = EL_STEEL_CHAR_7;
5012       break;
5013
5014     case 0x163a:        // (blue steel)
5015       element = EL_STEEL_CHAR_8;
5016       break;
5017
5018     case 0x163b:        // (blue steel)
5019       element = EL_STEEL_CHAR_9;
5020       break;
5021
5022     case 0x163c:        // (blue steel)
5023       element = EL_STEEL_CHAR_PERIOD;
5024       break;
5025
5026     case 0x163d:        // (blue steel)
5027       element = EL_STEEL_CHAR_EXCLAM;
5028       break;
5029
5030     case 0x163e:        // (blue steel)
5031       element = EL_STEEL_CHAR_COLON;
5032       break;
5033
5034     case 0x163f:        // (blue steel)
5035       element = EL_STEEL_CHAR_LESS;
5036       break;
5037
5038     case 0x1640:        // (blue steel)
5039       element = EL_STEEL_CHAR_GREATER;
5040       break;
5041
5042     case 0x1641:        // (blue steel)
5043       element = EL_STEEL_CHAR_QUESTION;
5044       break;
5045
5046     case 0x1642:        // (blue steel)
5047       element = EL_STEEL_CHAR_COPYRIGHT;
5048       break;
5049
5050     case 0x1643:        // (blue steel)
5051       element = EL_STEEL_CHAR_UP;
5052       break;
5053
5054     case 0x1644:        // (blue steel)
5055       element = EL_STEEL_CHAR_DOWN;
5056       break;
5057
5058     case 0x1645:        // (blue steel)
5059       element = EL_STEEL_CHAR_BUTTON;
5060       break;
5061
5062     case 0x1646:        // (blue steel)
5063       element = EL_STEEL_CHAR_PLUS;
5064       break;
5065
5066     case 0x1647:        // (blue steel)
5067       element = EL_STEEL_CHAR_MINUS;
5068       break;
5069
5070     case 0x1648:        // (blue steel)
5071       element = EL_STEEL_CHAR_APOSTROPHE;
5072       break;
5073
5074     case 0x1649:        // (blue steel)
5075       element = EL_STEEL_CHAR_PARENLEFT;
5076       break;
5077
5078     case 0x164a:        // (blue steel)
5079       element = EL_STEEL_CHAR_PARENRIGHT;
5080       break;
5081
5082     case 0x164b:        // (green steel)
5083       element = EL_STEEL_CHAR_A;
5084       break;
5085
5086     case 0x164c:        // (green steel)
5087       element = EL_STEEL_CHAR_B;
5088       break;
5089
5090     case 0x164d:        // (green steel)
5091       element = EL_STEEL_CHAR_C;
5092       break;
5093
5094     case 0x164e:        // (green steel)
5095       element = EL_STEEL_CHAR_D;
5096       break;
5097
5098     case 0x164f:        // (green steel)
5099       element = EL_STEEL_CHAR_E;
5100       break;
5101
5102     case 0x1650:        // (green steel)
5103       element = EL_STEEL_CHAR_F;
5104       break;
5105
5106     case 0x1651:        // (green steel)
5107       element = EL_STEEL_CHAR_G;
5108       break;
5109
5110     case 0x1652:        // (green steel)
5111       element = EL_STEEL_CHAR_H;
5112       break;
5113
5114     case 0x1653:        // (green steel)
5115       element = EL_STEEL_CHAR_I;
5116       break;
5117
5118     case 0x1654:        // (green steel)
5119       element = EL_STEEL_CHAR_J;
5120       break;
5121
5122     case 0x1655:        // (green steel)
5123       element = EL_STEEL_CHAR_K;
5124       break;
5125
5126     case 0x1656:        // (green steel)
5127       element = EL_STEEL_CHAR_L;
5128       break;
5129
5130     case 0x1657:        // (green steel)
5131       element = EL_STEEL_CHAR_M;
5132       break;
5133
5134     case 0x1658:        // (green steel)
5135       element = EL_STEEL_CHAR_N;
5136       break;
5137
5138     case 0x1659:        // (green steel)
5139       element = EL_STEEL_CHAR_O;
5140       break;
5141
5142     case 0x165a:        // (green steel)
5143       element = EL_STEEL_CHAR_P;
5144       break;
5145
5146     case 0x165b:        // (green steel)
5147       element = EL_STEEL_CHAR_Q;
5148       break;
5149
5150     case 0x165c:        // (green steel)
5151       element = EL_STEEL_CHAR_R;
5152       break;
5153
5154     case 0x165d:        // (green steel)
5155       element = EL_STEEL_CHAR_S;
5156       break;
5157
5158     case 0x165e:        // (green steel)
5159       element = EL_STEEL_CHAR_T;
5160       break;
5161
5162     case 0x165f:        // (green steel)
5163       element = EL_STEEL_CHAR_U;
5164       break;
5165
5166     case 0x1660:        // (green steel)
5167       element = EL_STEEL_CHAR_V;
5168       break;
5169
5170     case 0x1661:        // (green steel)
5171       element = EL_STEEL_CHAR_W;
5172       break;
5173
5174     case 0x1662:        // (green steel)
5175       element = EL_STEEL_CHAR_X;
5176       break;
5177
5178     case 0x1663:        // (green steel)
5179       element = EL_STEEL_CHAR_Y;
5180       break;
5181
5182     case 0x1664:        // (green steel)
5183       element = EL_STEEL_CHAR_Z;
5184       break;
5185
5186     case 0x1665:        // (green steel)
5187       element = EL_STEEL_CHAR_AUMLAUT;
5188       break;
5189
5190     case 0x1666:        // (green steel)
5191       element = EL_STEEL_CHAR_OUMLAUT;
5192       break;
5193
5194     case 0x1667:        // (green steel)
5195       element = EL_STEEL_CHAR_UUMLAUT;
5196       break;
5197
5198     case 0x1668:        // (green steel)
5199       element = EL_STEEL_CHAR_0;
5200       break;
5201
5202     case 0x1669:        // (green steel)
5203       element = EL_STEEL_CHAR_1;
5204       break;
5205
5206     case 0x166a:        // (green steel)
5207       element = EL_STEEL_CHAR_2;
5208       break;
5209
5210     case 0x166b:        // (green steel)
5211       element = EL_STEEL_CHAR_3;
5212       break;
5213
5214     case 0x166c:        // (green steel)
5215       element = EL_STEEL_CHAR_4;
5216       break;
5217
5218     case 0x166d:        // (green steel)
5219       element = EL_STEEL_CHAR_5;
5220       break;
5221
5222     case 0x166e:        // (green steel)
5223       element = EL_STEEL_CHAR_6;
5224       break;
5225
5226     case 0x166f:        // (green steel)
5227       element = EL_STEEL_CHAR_7;
5228       break;
5229
5230     case 0x1670:        // (green steel)
5231       element = EL_STEEL_CHAR_8;
5232       break;
5233
5234     case 0x1671:        // (green steel)
5235       element = EL_STEEL_CHAR_9;
5236       break;
5237
5238     case 0x1672:        // (green steel)
5239       element = EL_STEEL_CHAR_PERIOD;
5240       break;
5241
5242     case 0x1673:        // (green steel)
5243       element = EL_STEEL_CHAR_EXCLAM;
5244       break;
5245
5246     case 0x1674:        // (green steel)
5247       element = EL_STEEL_CHAR_COLON;
5248       break;
5249
5250     case 0x1675:        // (green steel)
5251       element = EL_STEEL_CHAR_LESS;
5252       break;
5253
5254     case 0x1676:        // (green steel)
5255       element = EL_STEEL_CHAR_GREATER;
5256       break;
5257
5258     case 0x1677:        // (green steel)
5259       element = EL_STEEL_CHAR_QUESTION;
5260       break;
5261
5262     case 0x1678:        // (green steel)
5263       element = EL_STEEL_CHAR_COPYRIGHT;
5264       break;
5265
5266     case 0x1679:        // (green steel)
5267       element = EL_STEEL_CHAR_UP;
5268       break;
5269
5270     case 0x167a:        // (green steel)
5271       element = EL_STEEL_CHAR_DOWN;
5272       break;
5273
5274     case 0x167b:        // (green steel)
5275       element = EL_STEEL_CHAR_BUTTON;
5276       break;
5277
5278     case 0x167c:        // (green steel)
5279       element = EL_STEEL_CHAR_PLUS;
5280       break;
5281
5282     case 0x167d:        // (green steel)
5283       element = EL_STEEL_CHAR_MINUS;
5284       break;
5285
5286     case 0x167e:        // (green steel)
5287       element = EL_STEEL_CHAR_APOSTROPHE;
5288       break;
5289
5290     case 0x167f:        // (green steel)
5291       element = EL_STEEL_CHAR_PARENLEFT;
5292       break;
5293
5294     case 0x1680:        // (green steel)
5295       element = EL_STEEL_CHAR_PARENRIGHT;
5296       break;
5297
5298     case 0x1681:        // gate (red)
5299       element = EL_EM_GATE_1;
5300       break;
5301
5302     case 0x1682:        // secret gate (red)
5303       element = EL_GATE_1_GRAY;
5304       break;
5305
5306     case 0x1683:        // gate (yellow)
5307       element = EL_EM_GATE_2;
5308       break;
5309
5310     case 0x1684:        // secret gate (yellow)
5311       element = EL_GATE_2_GRAY;
5312       break;
5313
5314     case 0x1685:        // gate (blue)
5315       element = EL_EM_GATE_4;
5316       break;
5317
5318     case 0x1686:        // secret gate (blue)
5319       element = EL_GATE_4_GRAY;
5320       break;
5321
5322     case 0x1687:        // gate (green)
5323       element = EL_EM_GATE_3;
5324       break;
5325
5326     case 0x1688:        // secret gate (green)
5327       element = EL_GATE_3_GRAY;
5328       break;
5329
5330     case 0x1689:        // gate (white)
5331       element = EL_DC_GATE_WHITE;
5332       break;
5333
5334     case 0x168a:        // secret gate (white)
5335       element = EL_DC_GATE_WHITE_GRAY;
5336       break;
5337
5338     case 0x168b:        // secret gate (no key)
5339       element = EL_DC_GATE_FAKE_GRAY;
5340       break;
5341
5342     case 0x168c:
5343       element = EL_ROBOT_WHEEL;
5344       break;
5345
5346     case 0x168d:
5347       element = EL_DC_TIMEGATE_SWITCH;
5348       break;
5349
5350     case 0x168e:
5351       element = EL_ACID_POOL_BOTTOM;
5352       break;
5353
5354     case 0x168f:
5355       element = EL_ACID_POOL_TOPLEFT;
5356       break;
5357
5358     case 0x1690:
5359       element = EL_ACID_POOL_TOPRIGHT;
5360       break;
5361
5362     case 0x1691:
5363       element = EL_ACID_POOL_BOTTOMLEFT;
5364       break;
5365
5366     case 0x1692:
5367       element = EL_ACID_POOL_BOTTOMRIGHT;
5368       break;
5369
5370     case 0x1693:
5371       element = EL_STEELWALL;
5372       break;
5373
5374     case 0x1694:
5375       element = EL_STEELWALL_SLIPPERY;
5376       break;
5377
5378     case 0x1695:        // steel wall (not round)
5379       element = EL_STEELWALL;
5380       break;
5381
5382     case 0x1696:        // steel wall (left)
5383       element = EL_DC_STEELWALL_1_LEFT;
5384       break;
5385
5386     case 0x1697:        // steel wall (bottom)
5387       element = EL_DC_STEELWALL_1_BOTTOM;
5388       break;
5389
5390     case 0x1698:        // steel wall (right)
5391       element = EL_DC_STEELWALL_1_RIGHT;
5392       break;
5393
5394     case 0x1699:        // steel wall (top)
5395       element = EL_DC_STEELWALL_1_TOP;
5396       break;
5397
5398     case 0x169a:        // steel wall (left/bottom)
5399       element = EL_DC_STEELWALL_1_BOTTOMLEFT;
5400       break;
5401
5402     case 0x169b:        // steel wall (right/bottom)
5403       element = EL_DC_STEELWALL_1_BOTTOMRIGHT;
5404       break;
5405
5406     case 0x169c:        // steel wall (right/top)
5407       element = EL_DC_STEELWALL_1_TOPRIGHT;
5408       break;
5409
5410     case 0x169d:        // steel wall (left/top)
5411       element = EL_DC_STEELWALL_1_TOPLEFT;
5412       break;
5413
5414     case 0x169e:        // steel wall (right/bottom small)
5415       element = EL_DC_STEELWALL_1_BOTTOMRIGHT_2;
5416       break;
5417
5418     case 0x169f:        // steel wall (left/bottom small)
5419       element = EL_DC_STEELWALL_1_BOTTOMLEFT_2;
5420       break;
5421
5422     case 0x16a0:        // steel wall (right/top small)
5423       element = EL_DC_STEELWALL_1_TOPRIGHT_2;
5424       break;
5425
5426     case 0x16a1:        // steel wall (left/top small)
5427       element = EL_DC_STEELWALL_1_TOPLEFT_2;
5428       break;
5429
5430     case 0x16a2:        // steel wall (left/right)
5431       element = EL_DC_STEELWALL_1_VERTICAL;
5432       break;
5433
5434     case 0x16a3:        // steel wall (top/bottom)
5435       element = EL_DC_STEELWALL_1_HORIZONTAL;
5436       break;
5437
5438     case 0x16a4:        // steel wall 2 (left end)
5439       element = EL_DC_STEELWALL_2_LEFT;
5440       break;
5441
5442     case 0x16a5:        // steel wall 2 (right end)
5443       element = EL_DC_STEELWALL_2_RIGHT;
5444       break;
5445
5446     case 0x16a6:        // steel wall 2 (top end)
5447       element = EL_DC_STEELWALL_2_TOP;
5448       break;
5449
5450     case 0x16a7:        // steel wall 2 (bottom end)
5451       element = EL_DC_STEELWALL_2_BOTTOM;
5452       break;
5453
5454     case 0x16a8:        // steel wall 2 (left/right)
5455       element = EL_DC_STEELWALL_2_HORIZONTAL;
5456       break;
5457
5458     case 0x16a9:        // steel wall 2 (up/down)
5459       element = EL_DC_STEELWALL_2_VERTICAL;
5460       break;
5461
5462     case 0x16aa:        // steel wall 2 (mid)
5463       element = EL_DC_STEELWALL_2_MIDDLE;
5464       break;
5465
5466     case 0x16ab:
5467       element = EL_SIGN_EXCLAMATION;
5468       break;
5469
5470     case 0x16ac:
5471       element = EL_SIGN_RADIOACTIVITY;
5472       break;
5473
5474     case 0x16ad:
5475       element = EL_SIGN_STOP;
5476       break;
5477
5478     case 0x16ae:
5479       element = EL_SIGN_WHEELCHAIR;
5480       break;
5481
5482     case 0x16af:
5483       element = EL_SIGN_PARKING;
5484       break;
5485
5486     case 0x16b0:
5487       element = EL_SIGN_NO_ENTRY;
5488       break;
5489
5490     case 0x16b1:
5491       element = EL_SIGN_HEART;
5492       break;
5493
5494     case 0x16b2:
5495       element = EL_SIGN_GIVE_WAY;
5496       break;
5497
5498     case 0x16b3:
5499       element = EL_SIGN_ENTRY_FORBIDDEN;
5500       break;
5501
5502     case 0x16b4:
5503       element = EL_SIGN_EMERGENCY_EXIT;
5504       break;
5505
5506     case 0x16b5:
5507       element = EL_SIGN_YIN_YANG;
5508       break;
5509
5510     case 0x16b6:
5511       element = EL_WALL_EMERALD;
5512       break;
5513
5514     case 0x16b7:
5515       element = EL_WALL_DIAMOND;
5516       break;
5517
5518     case 0x16b8:
5519       element = EL_WALL_PEARL;
5520       break;
5521
5522     case 0x16b9:
5523       element = EL_WALL_CRYSTAL;
5524       break;
5525
5526     case 0x16ba:
5527       element = EL_INVISIBLE_WALL;
5528       break;
5529
5530     case 0x16bb:
5531       element = EL_INVISIBLE_STEELWALL;
5532       break;
5533
5534       // 0x16bc - 0x16cb:
5535       // EL_INVISIBLE_SAND
5536
5537     case 0x16cc:
5538       element = EL_LIGHT_SWITCH;
5539       break;
5540
5541     case 0x16cd:
5542       element = EL_ENVELOPE_1;
5543       break;
5544
5545     default:
5546       if (element >= 0x0117 && element <= 0x036e)       // (?)
5547         element = EL_DIAMOND;
5548       else if (element >= 0x042d && element <= 0x0684)  // (?)
5549         element = EL_EMERALD;
5550       else if (element >= 0x157c && element <= 0x158b)
5551         element = EL_SAND;
5552       else if (element >= 0x1590 && element <= 0x159f)
5553         element = EL_DC_LANDMINE;
5554       else if (element >= 0x16bc && element <= 0x16cb)
5555         element = EL_INVISIBLE_SAND;
5556       else
5557       {
5558         Warn("unknown Diamond Caves element 0x%04x", element);
5559
5560         element = EL_UNKNOWN;
5561       }
5562       break;
5563   }
5564
5565   return getMappedElement(element);
5566 }
5567
5568 static void LoadLevelFromFileStream_DC(File *file, struct LevelInfo *level,
5569                                        int nr)
5570 {
5571   byte header[DC_LEVEL_HEADER_SIZE];
5572   int envelope_size;
5573   int envelope_header_pos = 62;
5574   int envelope_content_pos = 94;
5575   int level_name_pos = 251;
5576   int level_author_pos = 292;
5577   int envelope_header_len;
5578   int envelope_content_len;
5579   int level_name_len;
5580   int level_author_len;
5581   int fieldx, fieldy;
5582   int num_yamyam_contents;
5583   int i, x, y;
5584
5585   getDecodedWord_DC(0, TRUE);           // initialize DC2 decoding engine
5586
5587   for (i = 0; i < DC_LEVEL_HEADER_SIZE / 2; i++)
5588   {
5589     unsigned short header_word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
5590
5591     header[i * 2 + 0] = header_word >> 8;
5592     header[i * 2 + 1] = header_word & 0xff;
5593   }
5594
5595   // read some values from level header to check level decoding integrity
5596   fieldx = header[6] | (header[7] << 8);
5597   fieldy = header[8] | (header[9] << 8);
5598   num_yamyam_contents = header[60] | (header[61] << 8);
5599
5600   // do some simple sanity checks to ensure that level was correctly decoded
5601   if (fieldx < 1 || fieldx > 256 ||
5602       fieldy < 1 || fieldy > 256 ||
5603       num_yamyam_contents < 1 || num_yamyam_contents > 8)
5604   {
5605     level->no_valid_file = TRUE;
5606
5607     Warn("cannot decode level from stream -- using empty level");
5608
5609     return;
5610   }
5611
5612   // maximum envelope header size is 31 bytes
5613   envelope_header_len   = header[envelope_header_pos];
5614   // maximum envelope content size is 110 (156?) bytes
5615   envelope_content_len  = header[envelope_content_pos];
5616
5617   // maximum level title size is 40 bytes
5618   level_name_len        = MIN(header[level_name_pos],   MAX_LEVEL_NAME_LEN);
5619   // maximum level author size is 30 (51?) bytes
5620   level_author_len      = MIN(header[level_author_pos], MAX_LEVEL_AUTHOR_LEN);
5621
5622   envelope_size = 0;
5623
5624   for (i = 0; i < envelope_header_len; i++)
5625     if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
5626       level->envelope[0].text[envelope_size++] =
5627         header[envelope_header_pos + 1 + i];
5628
5629   if (envelope_header_len > 0 && envelope_content_len > 0)
5630   {
5631     if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
5632       level->envelope[0].text[envelope_size++] = '\n';
5633     if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
5634       level->envelope[0].text[envelope_size++] = '\n';
5635   }
5636
5637   for (i = 0; i < envelope_content_len; i++)
5638     if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
5639       level->envelope[0].text[envelope_size++] =
5640         header[envelope_content_pos + 1 + i];
5641
5642   level->envelope[0].text[envelope_size] = '\0';
5643
5644   level->envelope[0].xsize = MAX_ENVELOPE_XSIZE;
5645   level->envelope[0].ysize = 10;
5646   level->envelope[0].autowrap = TRUE;
5647   level->envelope[0].centered = TRUE;
5648
5649   for (i = 0; i < level_name_len; i++)
5650     level->name[i] = header[level_name_pos + 1 + i];
5651   level->name[level_name_len] = '\0';
5652
5653   for (i = 0; i < level_author_len; i++)
5654     level->author[i] = header[level_author_pos + 1 + i];
5655   level->author[level_author_len] = '\0';
5656
5657   num_yamyam_contents = header[60] | (header[61] << 8);
5658   level->num_yamyam_contents =
5659     MIN(MAX(MIN_ELEMENT_CONTENTS, num_yamyam_contents), MAX_ELEMENT_CONTENTS);
5660
5661   for (i = 0; i < num_yamyam_contents; i++)
5662   {
5663     for (y = 0; y < 3; y++) for (x = 0; x < 3; x++)
5664     {
5665       unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
5666       int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff);
5667
5668       if (i < MAX_ELEMENT_CONTENTS)
5669         level->yamyam_content[i].e[x][y] = getMappedElement_DC(element_dc);
5670     }
5671   }
5672
5673   fieldx = header[6] | (header[7] << 8);
5674   fieldy = header[8] | (header[9] << 8);
5675   level->fieldx = MIN(MAX(MIN_LEV_FIELDX, fieldx), MAX_LEV_FIELDX);
5676   level->fieldy = MIN(MAX(MIN_LEV_FIELDY, fieldy), MAX_LEV_FIELDY);
5677
5678   for (y = 0; y < fieldy; y++) for (x = 0; x < fieldx; x++)
5679   {
5680     unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
5681     int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff);
5682
5683     if (x < MAX_LEV_FIELDX && y < MAX_LEV_FIELDY)
5684       level->field[x][y] = getMappedElement_DC(element_dc);
5685   }
5686
5687   x = MIN(MAX(0, (header[10] | (header[11] << 8)) - 1), MAX_LEV_FIELDX - 1);
5688   y = MIN(MAX(0, (header[12] | (header[13] << 8)) - 1), MAX_LEV_FIELDY - 1);
5689   level->field[x][y] = EL_PLAYER_1;
5690
5691   x = MIN(MAX(0, (header[14] | (header[15] << 8)) - 1), MAX_LEV_FIELDX - 1);
5692   y = MIN(MAX(0, (header[16] | (header[17] << 8)) - 1), MAX_LEV_FIELDY - 1);
5693   level->field[x][y] = EL_PLAYER_2;
5694
5695   level->gems_needed            = header[18] | (header[19] << 8);
5696
5697   level->score[SC_EMERALD]      = header[20] | (header[21] << 8);
5698   level->score[SC_DIAMOND]      = header[22] | (header[23] << 8);
5699   level->score[SC_PEARL]        = header[24] | (header[25] << 8);
5700   level->score[SC_CRYSTAL]      = header[26] | (header[27] << 8);
5701   level->score[SC_NUT]          = header[28] | (header[29] << 8);
5702   level->score[SC_ROBOT]        = header[30] | (header[31] << 8);
5703   level->score[SC_SPACESHIP]    = header[32] | (header[33] << 8);
5704   level->score[SC_BUG]          = header[34] | (header[35] << 8);
5705   level->score[SC_YAMYAM]       = header[36] | (header[37] << 8);
5706   level->score[SC_DYNAMITE]     = header[38] | (header[39] << 8);
5707   level->score[SC_KEY]          = header[40] | (header[41] << 8);
5708   level->score[SC_TIME_BONUS]   = header[42] | (header[43] << 8);
5709
5710   level->time                   = header[44] | (header[45] << 8);
5711
5712   level->amoeba_speed           = header[46] | (header[47] << 8);
5713   level->time_light             = header[48] | (header[49] << 8);
5714   level->time_timegate          = header[50] | (header[51] << 8);
5715   level->time_wheel             = header[52] | (header[53] << 8);
5716   level->time_magic_wall        = header[54] | (header[55] << 8);
5717   level->extra_time             = header[56] | (header[57] << 8);
5718   level->shield_normal_time     = header[58] | (header[59] << 8);
5719
5720   // Diamond Caves has the same (strange) behaviour as Emerald Mine that gems
5721   // can slip down from flat walls, like normal walls and steel walls
5722   level->em_slippery_gems = TRUE;
5723 }
5724
5725 static void LoadLevelFromFileInfo_DC(struct LevelInfo *level,
5726                                      struct LevelFileInfo *level_file_info,
5727                                      boolean level_info_only)
5728 {
5729   char *filename = level_file_info->filename;
5730   File *file;
5731   int num_magic_bytes = 8;
5732   char magic_bytes[num_magic_bytes + 1];
5733   int num_levels_to_skip = level_file_info->nr - leveldir_current->first_level;
5734
5735   if (!(file = openFile(filename, MODE_READ)))
5736   {
5737     level->no_valid_file = TRUE;
5738
5739     if (!level_info_only)
5740       Warn("cannot read level '%s' -- using empty level", filename);
5741
5742     return;
5743   }
5744
5745   // fseek(file, 0x0000, SEEK_SET);
5746
5747   if (level_file_info->packed)
5748   {
5749     // read "magic bytes" from start of file
5750     if (getStringFromFile(file, magic_bytes, num_magic_bytes + 1) == NULL)
5751       magic_bytes[0] = '\0';
5752
5753     // check "magic bytes" for correct file format
5754     if (!strPrefix(magic_bytes, "DC2"))
5755     {
5756       level->no_valid_file = TRUE;
5757
5758       Warn("unknown DC level file '%s' -- using empty level", filename);
5759
5760       return;
5761     }
5762
5763     if (strPrefix(magic_bytes, "DC2Win95") ||
5764         strPrefix(magic_bytes, "DC2Win98"))
5765     {
5766       int position_first_level = 0x00fa;
5767       int extra_bytes = 4;
5768       int skip_bytes;
5769
5770       // advance file stream to first level inside the level package
5771       skip_bytes = position_first_level - num_magic_bytes - extra_bytes;
5772
5773       // each block of level data is followed by block of non-level data
5774       num_levels_to_skip *= 2;
5775
5776       // at least skip header bytes, therefore use ">= 0" instead of "> 0"
5777       while (num_levels_to_skip >= 0)
5778       {
5779         // advance file stream to next level inside the level package
5780         if (seekFile(file, skip_bytes, SEEK_CUR) != 0)
5781         {
5782           level->no_valid_file = TRUE;
5783
5784           Warn("cannot fseek in file '%s' -- using empty level", filename);
5785
5786           return;
5787         }
5788
5789         // skip apparently unused extra bytes following each level
5790         ReadUnusedBytesFromFile(file, extra_bytes);
5791
5792         // read size of next level in level package
5793         skip_bytes = getFile32BitLE(file);
5794
5795         num_levels_to_skip--;
5796       }
5797     }
5798     else
5799     {
5800       level->no_valid_file = TRUE;
5801
5802       Warn("unknown DC2 level file '%s' -- using empty level", filename);
5803
5804       return;
5805     }
5806   }
5807
5808   LoadLevelFromFileStream_DC(file, level, level_file_info->nr);
5809
5810   closeFile(file);
5811 }
5812
5813
5814 // ----------------------------------------------------------------------------
5815 // functions for loading SB level
5816 // ----------------------------------------------------------------------------
5817
5818 int getMappedElement_SB(int element_ascii, boolean use_ces)
5819 {
5820   static struct
5821   {
5822     int ascii;
5823     int sb;
5824     int ce;
5825   }
5826   sb_element_mapping[] =
5827   {
5828     { ' ', EL_EMPTY,                EL_CUSTOM_1 },  // floor (space)
5829     { '#', EL_STEELWALL,            EL_CUSTOM_2 },  // wall
5830     { '@', EL_PLAYER_1,             EL_CUSTOM_3 },  // player
5831     { '$', EL_SOKOBAN_OBJECT,       EL_CUSTOM_4 },  // box
5832     { '.', EL_SOKOBAN_FIELD_EMPTY,  EL_CUSTOM_5 },  // goal square
5833     { '*', EL_SOKOBAN_FIELD_FULL,   EL_CUSTOM_6 },  // box on goal square
5834     { '+', EL_SOKOBAN_FIELD_PLAYER, EL_CUSTOM_7 },  // player on goal square
5835     { '_', EL_INVISIBLE_STEELWALL,  EL_FROM_LEVEL_TEMPLATE },  // floor beyond border
5836
5837     { 0,   -1,                      -1          },
5838   };
5839
5840   int i;
5841
5842   for (i = 0; sb_element_mapping[i].ascii != 0; i++)
5843     if (element_ascii == sb_element_mapping[i].ascii)
5844       return (use_ces ? sb_element_mapping[i].ce : sb_element_mapping[i].sb);
5845
5846   return EL_UNDEFINED;
5847 }
5848
5849 static void LoadLevelFromFileInfo_SB(struct LevelInfo *level,
5850                                      struct LevelFileInfo *level_file_info,
5851                                      boolean level_info_only)
5852 {
5853   char *filename = level_file_info->filename;
5854   char line[MAX_LINE_LEN], line_raw[MAX_LINE_LEN], previous_line[MAX_LINE_LEN];
5855   char last_comment[MAX_LINE_LEN];
5856   char level_name[MAX_LINE_LEN];
5857   char *line_ptr;
5858   File *file;
5859   int num_levels_to_skip = level_file_info->nr - leveldir_current->first_level;
5860   boolean read_continued_line = FALSE;
5861   boolean reading_playfield = FALSE;
5862   boolean got_valid_playfield_line = FALSE;
5863   boolean invalid_playfield_char = FALSE;
5864   boolean load_xsb_to_ces = check_special_flags("load_xsb_to_ces");
5865   int file_level_nr = 0;
5866   int line_nr = 0;
5867   int x = 0, y = 0;             // initialized to make compilers happy
5868
5869   last_comment[0] = '\0';
5870   level_name[0] = '\0';
5871
5872   if (!(file = openFile(filename, MODE_READ)))
5873   {
5874     level->no_valid_file = TRUE;
5875
5876     if (!level_info_only)
5877       Warn("cannot read level '%s' -- using empty level", filename);
5878
5879     return;
5880   }
5881
5882   while (!checkEndOfFile(file))
5883   {
5884     // level successfully read, but next level may follow here
5885     if (!got_valid_playfield_line && reading_playfield)
5886     {
5887       // read playfield from single level file -- skip remaining file
5888       if (!level_file_info->packed)
5889         break;
5890
5891       if (file_level_nr >= num_levels_to_skip)
5892         break;
5893
5894       file_level_nr++;
5895
5896       last_comment[0] = '\0';
5897       level_name[0] = '\0';
5898
5899       reading_playfield = FALSE;
5900     }
5901
5902     got_valid_playfield_line = FALSE;
5903
5904     // read next line of input file
5905     if (!getStringFromFile(file, line, MAX_LINE_LEN))
5906       break;
5907
5908     // check if line was completely read and is terminated by line break
5909     if (strlen(line) > 0 && line[strlen(line) - 1] == '\n')
5910       line_nr++;
5911
5912     // cut trailing line break (this can be newline and/or carriage return)
5913     for (line_ptr = &line[strlen(line)]; line_ptr >= line; line_ptr--)
5914       if ((*line_ptr == '\n' || *line_ptr == '\r') && *(line_ptr + 1) == '\0')
5915         *line_ptr = '\0';
5916
5917     // copy raw input line for later use (mainly debugging output)
5918     strcpy(line_raw, line);
5919
5920     if (read_continued_line)
5921     {
5922       // append new line to existing line, if there is enough space
5923       if (strlen(previous_line) + strlen(line_ptr) < MAX_LINE_LEN)
5924         strcat(previous_line, line_ptr);
5925
5926       strcpy(line, previous_line);      // copy storage buffer to line
5927
5928       read_continued_line = FALSE;
5929     }
5930
5931     // if the last character is '\', continue at next line
5932     if (strlen(line) > 0 && line[strlen(line) - 1] == '\\')
5933     {
5934       line[strlen(line) - 1] = '\0';    // cut off trailing backslash
5935       strcpy(previous_line, line);      // copy line to storage buffer
5936
5937       read_continued_line = TRUE;
5938
5939       continue;
5940     }
5941
5942     // skip empty lines
5943     if (line[0] == '\0')
5944       continue;
5945
5946     // extract comment text from comment line
5947     if (line[0] == ';')
5948     {
5949       for (line_ptr = line; *line_ptr; line_ptr++)
5950         if (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != ';')
5951           break;
5952
5953       strcpy(last_comment, line_ptr);
5954
5955       continue;
5956     }
5957
5958     // extract level title text from line containing level title
5959     if (line[0] == '\'')
5960     {
5961       strcpy(level_name, &line[1]);
5962
5963       if (strlen(level_name) > 0 && level_name[strlen(level_name) - 1] == '\'')
5964         level_name[strlen(level_name) - 1] = '\0';
5965
5966       continue;
5967     }
5968
5969     // skip lines containing only spaces (or empty lines)
5970     for (line_ptr = line; *line_ptr; line_ptr++)
5971       if (*line_ptr != ' ')
5972         break;
5973     if (*line_ptr == '\0')
5974       continue;
5975
5976     // at this point, we have found a line containing part of a playfield
5977
5978     got_valid_playfield_line = TRUE;
5979
5980     if (!reading_playfield)
5981     {
5982       reading_playfield = TRUE;
5983       invalid_playfield_char = FALSE;
5984
5985       for (x = 0; x < MAX_LEV_FIELDX; x++)
5986         for (y = 0; y < MAX_LEV_FIELDY; y++)
5987           level->field[x][y] = getMappedElement_SB(' ', load_xsb_to_ces);
5988
5989       level->fieldx = 0;
5990       level->fieldy = 0;
5991
5992       // start with topmost tile row
5993       y = 0;
5994     }
5995
5996     // skip playfield line if larger row than allowed
5997     if (y >= MAX_LEV_FIELDY)
5998       continue;
5999
6000     // start with leftmost tile column
6001     x = 0;
6002
6003     // read playfield elements from line
6004     for (line_ptr = line; *line_ptr; line_ptr++)
6005     {
6006       int mapped_sb_element = getMappedElement_SB(*line_ptr, load_xsb_to_ces);
6007
6008       // stop parsing playfield line if larger column than allowed
6009       if (x >= MAX_LEV_FIELDX)
6010         break;
6011
6012       if (mapped_sb_element == EL_UNDEFINED)
6013       {
6014         invalid_playfield_char = TRUE;
6015
6016         break;
6017       }
6018
6019       level->field[x][y] = mapped_sb_element;
6020
6021       // continue with next tile column
6022       x++;
6023
6024       level->fieldx = MAX(x, level->fieldx);
6025     }
6026
6027     if (invalid_playfield_char)
6028     {
6029       // if first playfield line, treat invalid lines as comment lines
6030       if (y == 0)
6031         reading_playfield = FALSE;
6032
6033       continue;
6034     }
6035
6036     // continue with next tile row
6037     y++;
6038   }
6039
6040   closeFile(file);
6041
6042   level->fieldy = y;
6043
6044   level->fieldx = MIN(MAX(MIN_LEV_FIELDX, level->fieldx), MAX_LEV_FIELDX);
6045   level->fieldy = MIN(MAX(MIN_LEV_FIELDY, level->fieldy), MAX_LEV_FIELDY);
6046
6047   if (!reading_playfield)
6048   {
6049     level->no_valid_file = TRUE;
6050
6051     Warn("cannot read level '%s' -- using empty level", filename);
6052
6053     return;
6054   }
6055
6056   if (*level_name != '\0')
6057   {
6058     strncpy(level->name, level_name, MAX_LEVEL_NAME_LEN);
6059     level->name[MAX_LEVEL_NAME_LEN] = '\0';
6060   }
6061   else if (*last_comment != '\0')
6062   {
6063     strncpy(level->name, last_comment, MAX_LEVEL_NAME_LEN);
6064     level->name[MAX_LEVEL_NAME_LEN] = '\0';
6065   }
6066   else
6067   {
6068     sprintf(level->name, "--> Level %d <--", level_file_info->nr);
6069   }
6070
6071   // set all empty fields beyond the border walls to invisible steel wall
6072   for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
6073   {
6074     if ((x == 0 || x == level->fieldx - 1 ||
6075          y == 0 || y == level->fieldy - 1) &&
6076         level->field[x][y] == getMappedElement_SB(' ', load_xsb_to_ces))
6077       FloodFillLevel(x, y, getMappedElement_SB('_', load_xsb_to_ces),
6078                      level->field, level->fieldx, level->fieldy);
6079   }
6080
6081   // set special level settings for Sokoban levels
6082
6083   level->time = 0;
6084   level->use_step_counter = TRUE;
6085
6086   if (load_xsb_to_ces)
6087   {
6088     // special global settings can now be set in level template
6089
6090     level->use_custom_template = TRUE;
6091   }
6092 }
6093
6094
6095 // -------------------------------------------------------------------------
6096 // functions for handling native levels
6097 // -------------------------------------------------------------------------
6098
6099 static void LoadLevelFromFileInfo_EM(struct LevelInfo *level,
6100                                      struct LevelFileInfo *level_file_info,
6101                                      boolean level_info_only)
6102 {
6103   if (!LoadNativeLevel_EM(level_file_info->filename, level_info_only))
6104     level->no_valid_file = TRUE;
6105 }
6106
6107 static void LoadLevelFromFileInfo_SP(struct LevelInfo *level,
6108                                      struct LevelFileInfo *level_file_info,
6109                                      boolean level_info_only)
6110 {
6111   int pos = 0;
6112
6113   // determine position of requested level inside level package
6114   if (level_file_info->packed)
6115     pos = level_file_info->nr - leveldir_current->first_level;
6116
6117   if (!LoadNativeLevel_SP(level_file_info->filename, pos, level_info_only))
6118     level->no_valid_file = TRUE;
6119 }
6120
6121 static void LoadLevelFromFileInfo_MM(struct LevelInfo *level,
6122                                      struct LevelFileInfo *level_file_info,
6123                                      boolean level_info_only)
6124 {
6125   if (!LoadNativeLevel_MM(level_file_info->filename, level_info_only))
6126     level->no_valid_file = TRUE;
6127 }
6128
6129 void CopyNativeLevel_RND_to_Native(struct LevelInfo *level)
6130 {
6131   if (level->game_engine_type == GAME_ENGINE_TYPE_EM)
6132     CopyNativeLevel_RND_to_EM(level);
6133   else if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
6134     CopyNativeLevel_RND_to_SP(level);
6135   else if (level->game_engine_type == GAME_ENGINE_TYPE_MM)
6136     CopyNativeLevel_RND_to_MM(level);
6137 }
6138
6139 void CopyNativeLevel_Native_to_RND(struct LevelInfo *level)
6140 {
6141   if (level->game_engine_type == GAME_ENGINE_TYPE_EM)
6142     CopyNativeLevel_EM_to_RND(level);
6143   else if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
6144     CopyNativeLevel_SP_to_RND(level);
6145   else if (level->game_engine_type == GAME_ENGINE_TYPE_MM)
6146     CopyNativeLevel_MM_to_RND(level);
6147 }
6148
6149 void SaveNativeLevel(struct LevelInfo *level)
6150 {
6151   if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
6152   {
6153     char *basename = getSingleLevelBasenameExt(level->file_info.nr, "sp");
6154     char *filename = getLevelFilenameFromBasename(basename);
6155
6156     CopyNativeLevel_RND_to_SP(level);
6157     CopyNativeTape_RND_to_SP(level);
6158
6159     SaveNativeLevel_SP(filename);
6160   }
6161 }
6162
6163
6164 // ----------------------------------------------------------------------------
6165 // functions for loading generic level
6166 // ----------------------------------------------------------------------------
6167
6168 static void LoadLevelFromFileInfo(struct LevelInfo *level,
6169                                   struct LevelFileInfo *level_file_info,
6170                                   boolean level_info_only)
6171 {
6172   // always start with reliable default values
6173   setLevelInfoToDefaults(level, level_info_only, TRUE);
6174
6175   switch (level_file_info->type)
6176   {
6177     case LEVEL_FILE_TYPE_RND:
6178       LoadLevelFromFileInfo_RND(level, level_file_info, level_info_only);
6179       break;
6180
6181     case LEVEL_FILE_TYPE_EM:
6182       LoadLevelFromFileInfo_EM(level, level_file_info, level_info_only);
6183       level->game_engine_type = GAME_ENGINE_TYPE_EM;
6184       break;
6185
6186     case LEVEL_FILE_TYPE_SP:
6187       LoadLevelFromFileInfo_SP(level, level_file_info, level_info_only);
6188       level->game_engine_type = GAME_ENGINE_TYPE_SP;
6189       break;
6190
6191     case LEVEL_FILE_TYPE_MM:
6192       LoadLevelFromFileInfo_MM(level, level_file_info, level_info_only);
6193       level->game_engine_type = GAME_ENGINE_TYPE_MM;
6194       break;
6195
6196     case LEVEL_FILE_TYPE_DC:
6197       LoadLevelFromFileInfo_DC(level, level_file_info, level_info_only);
6198       break;
6199
6200     case LEVEL_FILE_TYPE_SB:
6201       LoadLevelFromFileInfo_SB(level, level_file_info, level_info_only);
6202       break;
6203
6204     default:
6205       LoadLevelFromFileInfo_RND(level, level_file_info, level_info_only);
6206       break;
6207   }
6208
6209   // if level file is invalid, restore level structure to default values
6210   if (level->no_valid_file)
6211     setLevelInfoToDefaults(level, level_info_only, FALSE);
6212
6213   if (level->game_engine_type == GAME_ENGINE_TYPE_UNKNOWN)
6214     level->game_engine_type = GAME_ENGINE_TYPE_RND;
6215
6216   if (level_file_info->type != LEVEL_FILE_TYPE_RND)
6217     CopyNativeLevel_Native_to_RND(level);
6218 }
6219
6220 void LoadLevelFromFilename(struct LevelInfo *level, char *filename)
6221 {
6222   static struct LevelFileInfo level_file_info;
6223
6224   // always start with reliable default values
6225   setFileInfoToDefaults(&level_file_info);
6226
6227   level_file_info.nr = 0;                       // unknown level number
6228   level_file_info.type = LEVEL_FILE_TYPE_RND;   // no others supported yet
6229
6230   setString(&level_file_info.filename, filename);
6231
6232   LoadLevelFromFileInfo(level, &level_file_info, FALSE);
6233 }
6234
6235 static void LoadLevel_InitVersion(struct LevelInfo *level)
6236 {
6237   int i, j;
6238
6239   if (leveldir_current == NULL)         // only when dumping level
6240     return;
6241
6242   // all engine modifications also valid for levels which use latest engine
6243   if (level->game_version < VERSION_IDENT(3,2,0,5))
6244   {
6245     // time bonus score was given for 10 s instead of 1 s before 3.2.0-5
6246     level->score[SC_TIME_BONUS] /= 10;
6247   }
6248
6249   if (leveldir_current->latest_engine)
6250   {
6251     // ---------- use latest game engine --------------------------------------
6252
6253     /* For all levels which are forced to use the latest game engine version
6254        (normally all but user contributed, private and undefined levels), set
6255        the game engine version to the actual version; this allows for actual
6256        corrections in the game engine to take effect for existing, converted
6257        levels (from "classic" or other existing games) to make the emulation
6258        of the corresponding game more accurate, while (hopefully) not breaking
6259        existing levels created from other players. */
6260
6261     level->game_version = GAME_VERSION_ACTUAL;
6262
6263     /* Set special EM style gems behaviour: EM style gems slip down from
6264        normal, steel and growing wall. As this is a more fundamental change,
6265        it seems better to set the default behaviour to "off" (as it is more
6266        natural) and make it configurable in the level editor (as a property
6267        of gem style elements). Already existing converted levels (neither
6268        private nor contributed levels) are changed to the new behaviour. */
6269
6270     if (level->file_version < FILE_VERSION_2_0)
6271       level->em_slippery_gems = TRUE;
6272
6273     return;
6274   }
6275
6276   // ---------- use game engine the level was created with --------------------
6277
6278   /* For all levels which are not forced to use the latest game engine
6279      version (normally user contributed, private and undefined levels),
6280      use the version of the game engine the levels were created for.
6281
6282      Since 2.0.1, the game engine version is now directly stored
6283      in the level file (chunk "VERS"), so there is no need anymore
6284      to set the game version from the file version (except for old,
6285      pre-2.0 levels, where the game version is still taken from the
6286      file format version used to store the level -- see above). */
6287
6288   // player was faster than enemies in 1.0.0 and before
6289   if (level->file_version == FILE_VERSION_1_0)
6290     for (i = 0; i < MAX_PLAYERS; i++)
6291       level->initial_player_stepsize[i] = STEPSIZE_FAST;
6292
6293   // default behaviour for EM style gems was "slippery" only in 2.0.1
6294   if (level->game_version == VERSION_IDENT(2,0,1,0))
6295     level->em_slippery_gems = TRUE;
6296
6297   // springs could be pushed over pits before (pre-release version) 2.2.0
6298   if (level->game_version < VERSION_IDENT(2,2,0,0))
6299     level->use_spring_bug = TRUE;
6300
6301   if (level->game_version < VERSION_IDENT(3,2,0,5))
6302   {
6303     // time orb caused limited time in endless time levels before 3.2.0-5
6304     level->use_time_orb_bug = TRUE;
6305
6306     // default behaviour for snapping was "no snap delay" before 3.2.0-5
6307     level->block_snap_field = FALSE;
6308
6309     // extra time score was same value as time left score before 3.2.0-5
6310     level->extra_time_score = level->score[SC_TIME_BONUS];
6311   }
6312
6313   if (level->game_version < VERSION_IDENT(3,2,0,7))
6314   {
6315     // default behaviour for snapping was "not continuous" before 3.2.0-7
6316     level->continuous_snapping = FALSE;
6317   }
6318
6319   // only few elements were able to actively move into acid before 3.1.0
6320   // trigger settings did not exist before 3.1.0; set to default "any"
6321   if (level->game_version < VERSION_IDENT(3,1,0,0))
6322   {
6323     // correct "can move into acid" settings (all zero in old levels)
6324
6325     level->can_move_into_acid_bits = 0; // nothing can move into acid
6326     level->dont_collide_with_bits = 0; // nothing is deadly when colliding
6327
6328     setMoveIntoAcidProperty(level, EL_ROBOT,     TRUE);
6329     setMoveIntoAcidProperty(level, EL_SATELLITE, TRUE);
6330     setMoveIntoAcidProperty(level, EL_PENGUIN,   TRUE);
6331     setMoveIntoAcidProperty(level, EL_BALLOON,   TRUE);
6332
6333     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6334       SET_PROPERTY(EL_CUSTOM_START + i, EP_CAN_MOVE_INTO_ACID, TRUE);
6335
6336     // correct trigger settings (stored as zero == "none" in old levels)
6337
6338     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6339     {
6340       int element = EL_CUSTOM_START + i;
6341       struct ElementInfo *ei = &element_info[element];
6342
6343       for (j = 0; j < ei->num_change_pages; j++)
6344       {
6345         struct ElementChangeInfo *change = &ei->change_page[j];
6346
6347         change->trigger_player = CH_PLAYER_ANY;
6348         change->trigger_page = CH_PAGE_ANY;
6349       }
6350     }
6351   }
6352
6353   // try to detect and fix "Snake Bite" levels, which are broken with 3.2.0
6354   {
6355     int element = EL_CUSTOM_256;
6356     struct ElementInfo *ei = &element_info[element];
6357     struct ElementChangeInfo *change = &ei->change_page[0];
6358
6359     /* This is needed to fix a problem that was caused by a bugfix in function
6360        game.c/CreateFieldExt() introduced with 3.2.0 that corrects the behaviour
6361        when a custom element changes to EL_SOKOBAN_FIELD_PLAYER (before, it did
6362        not replace walkable elements, but instead just placed the player on it,
6363        without placing the Sokoban field under the player). Unfortunately, this
6364        breaks "Snake Bite" style levels when the snake is halfway through a door
6365        that just closes (the snake head is still alive and can be moved in this
6366        case). This can be fixed by replacing the EL_SOKOBAN_FIELD_PLAYER by the
6367        player (without Sokoban element) which then gets killed as designed). */
6368
6369     if ((strncmp(leveldir_current->identifier, "snake_bite", 10) == 0 ||
6370          strncmp(ei->description, "pause b4 death", 14) == 0) &&
6371         change->target_element == EL_SOKOBAN_FIELD_PLAYER)
6372       change->target_element = EL_PLAYER_1;
6373   }
6374
6375   // try to detect and fix "Zelda" style levels, which are broken with 3.2.5
6376   if (level->game_version < VERSION_IDENT(3,2,5,0))
6377   {
6378     /* This is needed to fix a problem that was caused by a bugfix in function
6379        game.c/CheckTriggeredElementChangeExt() introduced with 3.2.5 that
6380        corrects the behaviour when a custom element changes to another custom
6381        element with a higher element number that has change actions defined.
6382        Normally, only one change per frame is allowed for custom elements.
6383        Therefore, it is checked if a custom element already changed in the
6384        current frame; if it did, subsequent changes are suppressed.
6385        Unfortunately, this is only checked for element changes, but not for
6386        change actions, which are still executed. As the function above loops
6387        through all custom elements from lower to higher, an element change
6388        resulting in a lower CE number won't be checked again, while a target
6389        element with a higher number will also be checked, and potential change
6390        actions will get executed for this CE, too (which is wrong), while
6391        further changes are ignored (which is correct). As this bugfix breaks
6392        Zelda II (and introduces graphical bugs to Zelda I, and also breaks a
6393        few other levels like Alan Bond's "FMV"), allow the previous, incorrect
6394        behaviour for existing levels and tapes that make use of this bug */
6395
6396     level->use_action_after_change_bug = TRUE;
6397   }
6398
6399   // not centering level after relocating player was default only in 3.2.3
6400   if (level->game_version == VERSION_IDENT(3,2,3,0))    // (no pre-releases)
6401     level->shifted_relocation = TRUE;
6402
6403   // EM style elements always chain-exploded in R'n'D engine before 3.2.6
6404   if (level->game_version < VERSION_IDENT(3,2,6,0))
6405     level->em_explodes_by_fire = TRUE;
6406
6407   // levels were solved by the first player entering an exit up to 4.1.0.0
6408   if (level->game_version <= VERSION_IDENT(4,1,0,0))
6409     level->solved_by_one_player = TRUE;
6410
6411   // game logic of "game of life" and "biomaze" was buggy before 4.1.1.1
6412   if (level->game_version < VERSION_IDENT(4,1,1,1))
6413     level->use_life_bugs = TRUE;
6414
6415   // only Sokoban fields (but not objects) had to be solved before 4.1.1.1
6416   if (level->game_version < VERSION_IDENT(4,1,1,1))
6417     level->sb_objects_needed = FALSE;
6418 }
6419
6420 static void LoadLevel_InitStandardElements(struct LevelInfo *level)
6421 {
6422   int i, x, y;
6423
6424   // map elements that have changed in newer versions
6425   level->amoeba_content = getMappedElementByVersion(level->amoeba_content,
6426                                                     level->game_version);
6427   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6428     for (x = 0; x < 3; x++)
6429       for (y = 0; y < 3; y++)
6430         level->yamyam_content[i].e[x][y] =
6431           getMappedElementByVersion(level->yamyam_content[i].e[x][y],
6432                                     level->game_version);
6433
6434 }
6435
6436 static void LoadLevel_InitCustomElements(struct LevelInfo *level)
6437 {
6438   int i, j;
6439
6440   // map custom element change events that have changed in newer versions
6441   // (these following values were accidentally changed in version 3.0.1)
6442   // (this seems to be needed only for 'ab_levelset3' and 'ab_levelset4')
6443   if (level->game_version <= VERSION_IDENT(3,0,0,0))
6444   {
6445     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6446     {
6447       int element = EL_CUSTOM_START + i;
6448
6449       // order of checking and copying events to be mapped is important
6450       // (do not change the start and end value -- they are constant)
6451       for (j = CE_BY_OTHER_ACTION; j >= CE_VALUE_GETS_ZERO; j--)
6452       {
6453         if (HAS_CHANGE_EVENT(element, j - 2))
6454         {
6455           SET_CHANGE_EVENT(element, j - 2, FALSE);
6456           SET_CHANGE_EVENT(element, j, TRUE);
6457         }
6458       }
6459
6460       // order of checking and copying events to be mapped is important
6461       // (do not change the start and end value -- they are constant)
6462       for (j = CE_PLAYER_COLLECTS_X; j >= CE_HITTING_SOMETHING; j--)
6463       {
6464         if (HAS_CHANGE_EVENT(element, j - 1))
6465         {
6466           SET_CHANGE_EVENT(element, j - 1, FALSE);
6467           SET_CHANGE_EVENT(element, j, TRUE);
6468         }
6469       }
6470     }
6471   }
6472
6473   // initialize "can_change" field for old levels with only one change page
6474   if (level->game_version <= VERSION_IDENT(3,0,2,0))
6475   {
6476     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6477     {
6478       int element = EL_CUSTOM_START + i;
6479
6480       if (CAN_CHANGE(element))
6481         element_info[element].change->can_change = TRUE;
6482     }
6483   }
6484
6485   // correct custom element values (for old levels without these options)
6486   if (level->game_version < VERSION_IDENT(3,1,1,0))
6487   {
6488     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6489     {
6490       int element = EL_CUSTOM_START + i;
6491       struct ElementInfo *ei = &element_info[element];
6492
6493       if (ei->access_direction == MV_NO_DIRECTION)
6494         ei->access_direction = MV_ALL_DIRECTIONS;
6495     }
6496   }
6497
6498   // correct custom element values (fix invalid values for all versions)
6499   if (1)
6500   {
6501     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6502     {
6503       int element = EL_CUSTOM_START + i;
6504       struct ElementInfo *ei = &element_info[element];
6505
6506       for (j = 0; j < ei->num_change_pages; j++)
6507       {
6508         struct ElementChangeInfo *change = &ei->change_page[j];
6509
6510         if (change->trigger_player == CH_PLAYER_NONE)
6511           change->trigger_player = CH_PLAYER_ANY;
6512
6513         if (change->trigger_side == CH_SIDE_NONE)
6514           change->trigger_side = CH_SIDE_ANY;
6515       }
6516     }
6517   }
6518
6519   // initialize "can_explode" field for old levels which did not store this
6520   // !!! CHECK THIS -- "<= 3,1,0,0" IS PROBABLY WRONG !!!
6521   if (level->game_version <= VERSION_IDENT(3,1,0,0))
6522   {
6523     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6524     {
6525       int element = EL_CUSTOM_START + i;
6526
6527       if (EXPLODES_1X1_OLD(element))
6528         element_info[element].explosion_type = EXPLODES_1X1;
6529
6530       SET_PROPERTY(element, EP_CAN_EXPLODE, (EXPLODES_BY_FIRE(element) ||
6531                                              EXPLODES_SMASHED(element) ||
6532                                              EXPLODES_IMPACT(element)));
6533     }
6534   }
6535
6536   // correct previously hard-coded move delay values for maze runner style
6537   if (level->game_version < VERSION_IDENT(3,1,1,0))
6538   {
6539     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6540     {
6541       int element = EL_CUSTOM_START + i;
6542
6543       if (element_info[element].move_pattern & MV_MAZE_RUNNER_STYLE)
6544       {
6545         // previously hard-coded and therefore ignored
6546         element_info[element].move_delay_fixed = 9;
6547         element_info[element].move_delay_random = 0;
6548       }
6549     }
6550   }
6551
6552   // set some other uninitialized values of custom elements in older levels
6553   if (level->game_version < VERSION_IDENT(3,1,0,0))
6554   {
6555     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6556     {
6557       int element = EL_CUSTOM_START + i;
6558
6559       element_info[element].access_direction = MV_ALL_DIRECTIONS;
6560
6561       element_info[element].explosion_delay = 17;
6562       element_info[element].ignition_delay = 8;
6563     }
6564   }
6565 }
6566
6567 static void LoadLevel_InitElements(struct LevelInfo *level)
6568 {
6569   LoadLevel_InitStandardElements(level);
6570
6571   if (level->file_has_custom_elements)
6572     LoadLevel_InitCustomElements(level);
6573
6574   // initialize element properties for level editor etc.
6575   InitElementPropertiesEngine(level->game_version);
6576   InitElementPropertiesGfxElement();
6577 }
6578
6579 static void LoadLevel_InitPlayfield(struct LevelInfo *level)
6580 {
6581   int x, y;
6582
6583   // map elements that have changed in newer versions
6584   for (y = 0; y < level->fieldy; y++)
6585     for (x = 0; x < level->fieldx; x++)
6586       level->field[x][y] = getMappedElementByVersion(level->field[x][y],
6587                                                      level->game_version);
6588
6589   // clear unused playfield data (nicer if level gets resized in editor)
6590   for (x = 0; x < MAX_LEV_FIELDX; x++)
6591     for (y = 0; y < MAX_LEV_FIELDY; y++)
6592       if (x >= level->fieldx || y >= level->fieldy)
6593         level->field[x][y] = EL_EMPTY;
6594
6595   // copy elements to runtime playfield array
6596   for (x = 0; x < MAX_LEV_FIELDX; x++)
6597     for (y = 0; y < MAX_LEV_FIELDY; y++)
6598       Tile[x][y] = level->field[x][y];
6599
6600   // initialize level size variables for faster access
6601   lev_fieldx = level->fieldx;
6602   lev_fieldy = level->fieldy;
6603
6604   // determine border element for this level
6605   if (level->file_info.type == LEVEL_FILE_TYPE_DC)
6606     BorderElement = EL_EMPTY;   // (in editor, SetBorderElement() is used)
6607   else
6608     SetBorderElement();
6609 }
6610
6611 static void LoadLevel_InitNativeEngines(struct LevelInfo *level)
6612 {
6613   struct LevelFileInfo *level_file_info = &level->file_info;
6614
6615   if (level_file_info->type == LEVEL_FILE_TYPE_RND)
6616     CopyNativeLevel_RND_to_Native(level);
6617 }
6618
6619 static void LoadLevelTemplate_LoadAndInit(void)
6620 {
6621   LoadLevelFromFileInfo(&level_template, &level_template.file_info, FALSE);
6622
6623   LoadLevel_InitVersion(&level_template);
6624   LoadLevel_InitElements(&level_template);
6625
6626   ActivateLevelTemplate();
6627 }
6628
6629 void LoadLevelTemplate(int nr)
6630 {
6631   if (!fileExists(getGlobalLevelTemplateFilename()))
6632   {
6633     Warn("no level template found for this level");
6634
6635     return;
6636   }
6637
6638   setLevelFileInfo(&level_template.file_info, nr);
6639
6640   LoadLevelTemplate_LoadAndInit();
6641 }
6642
6643 static void LoadNetworkLevelTemplate(struct NetworkLevelInfo *network_level)
6644 {
6645   copyLevelFileInfo(&network_level->tmpl_info, &level_template.file_info);
6646
6647   LoadLevelTemplate_LoadAndInit();
6648 }
6649
6650 static void LoadLevel_LoadAndInit(struct NetworkLevelInfo *network_level)
6651 {
6652   LoadLevelFromFileInfo(&level, &level.file_info, FALSE);
6653
6654   if (level.use_custom_template)
6655   {
6656     if (network_level != NULL)
6657       LoadNetworkLevelTemplate(network_level);
6658     else
6659       LoadLevelTemplate(-1);
6660   }
6661
6662   LoadLevel_InitVersion(&level);
6663   LoadLevel_InitElements(&level);
6664   LoadLevel_InitPlayfield(&level);
6665
6666   LoadLevel_InitNativeEngines(&level);
6667 }
6668
6669 void LoadLevel(int nr)
6670 {
6671   SetLevelSetInfo(leveldir_current->identifier, nr);
6672
6673   setLevelFileInfo(&level.file_info, nr);
6674
6675   LoadLevel_LoadAndInit(NULL);
6676 }
6677
6678 void LoadLevelInfoOnly(int nr)
6679 {
6680   setLevelFileInfo(&level.file_info, nr);
6681
6682   LoadLevelFromFileInfo(&level, &level.file_info, TRUE);
6683 }
6684
6685 void LoadNetworkLevel(struct NetworkLevelInfo *network_level)
6686 {
6687   SetLevelSetInfo(network_level->leveldir_identifier,
6688                   network_level->file_info.nr);
6689
6690   copyLevelFileInfo(&network_level->file_info, &level.file_info);
6691
6692   LoadLevel_LoadAndInit(network_level);
6693 }
6694
6695 static int SaveLevel_VERS(FILE *file, struct LevelInfo *level)
6696 {
6697   int chunk_size = 0;
6698
6699   chunk_size += putFileVersion(file, level->file_version);
6700   chunk_size += putFileVersion(file, level->game_version);
6701
6702   return chunk_size;
6703 }
6704
6705 static int SaveLevel_DATE(FILE *file, struct LevelInfo *level)
6706 {
6707   int chunk_size = 0;
6708
6709   chunk_size += putFile16BitBE(file, level->creation_date.year);
6710   chunk_size += putFile8Bit(file,    level->creation_date.month);
6711   chunk_size += putFile8Bit(file,    level->creation_date.day);
6712
6713   return chunk_size;
6714 }
6715
6716 #if ENABLE_HISTORIC_CHUNKS
6717 static void SaveLevel_HEAD(FILE *file, struct LevelInfo *level)
6718 {
6719   int i, x, y;
6720
6721   putFile8Bit(file, level->fieldx);
6722   putFile8Bit(file, level->fieldy);
6723
6724   putFile16BitBE(file, level->time);
6725   putFile16BitBE(file, level->gems_needed);
6726
6727   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
6728     putFile8Bit(file, level->name[i]);
6729
6730   for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
6731     putFile8Bit(file, level->score[i]);
6732
6733   for (i = 0; i < STD_ELEMENT_CONTENTS; i++)
6734     for (y = 0; y < 3; y++)
6735       for (x = 0; x < 3; x++)
6736         putFile8Bit(file, (level->encoding_16bit_yamyam ? EL_EMPTY :
6737                            level->yamyam_content[i].e[x][y]));
6738   putFile8Bit(file, level->amoeba_speed);
6739   putFile8Bit(file, level->time_magic_wall);
6740   putFile8Bit(file, level->time_wheel);
6741   putFile8Bit(file, (level->encoding_16bit_amoeba ? EL_EMPTY :
6742                      level->amoeba_content));
6743   putFile8Bit(file, (level->initial_player_stepsize == STEPSIZE_FAST ? 1 : 0));
6744   putFile8Bit(file, (level->initial_gravity ? 1 : 0));
6745   putFile8Bit(file, (level->encoding_16bit_field ? 1 : 0));
6746   putFile8Bit(file, (level->em_slippery_gems ? 1 : 0));
6747
6748   putFile8Bit(file, (level->use_custom_template ? 1 : 0));
6749
6750   putFile8Bit(file, (level->block_last_field ? 1 : 0));
6751   putFile8Bit(file, (level->sp_block_last_field ? 1 : 0));
6752   putFile32BitBE(file, level->can_move_into_acid_bits);
6753   putFile8Bit(file, level->dont_collide_with_bits);
6754
6755   putFile8Bit(file, (level->use_spring_bug ? 1 : 0));
6756   putFile8Bit(file, (level->use_step_counter ? 1 : 0));
6757
6758   putFile8Bit(file, (level->instant_relocation ? 1 : 0));
6759   putFile8Bit(file, (level->can_pass_to_walkable ? 1 : 0));
6760   putFile8Bit(file, (level->grow_into_diggable ? 1 : 0));
6761
6762   putFile8Bit(file, level->game_engine_type);
6763
6764   WriteUnusedBytesToFile(file, LEVEL_CHUNK_HEAD_UNUSED);
6765 }
6766 #endif
6767
6768 static int SaveLevel_NAME(FILE *file, struct LevelInfo *level)
6769 {
6770   int chunk_size = 0;
6771   int i;
6772
6773   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
6774     chunk_size += putFile8Bit(file, level->name[i]);
6775
6776   return chunk_size;
6777 }
6778
6779 static int SaveLevel_AUTH(FILE *file, struct LevelInfo *level)
6780 {
6781   int chunk_size = 0;
6782   int i;
6783
6784   for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++)
6785     chunk_size += putFile8Bit(file, level->author[i]);
6786
6787   return chunk_size;
6788 }
6789
6790 #if ENABLE_HISTORIC_CHUNKS
6791 static int SaveLevel_BODY(FILE *file, struct LevelInfo *level)
6792 {
6793   int chunk_size = 0;
6794   int x, y;
6795
6796   for (y = 0; y < level->fieldy; y++)
6797     for (x = 0; x < level->fieldx; x++)
6798       if (level->encoding_16bit_field)
6799         chunk_size += putFile16BitBE(file, level->field[x][y]);
6800       else
6801         chunk_size += putFile8Bit(file, level->field[x][y]);
6802
6803   return chunk_size;
6804 }
6805 #endif
6806
6807 static int SaveLevel_BODY(FILE *file, struct LevelInfo *level)
6808 {
6809   int chunk_size = 0;
6810   int x, y;
6811
6812   for (y = 0; y < level->fieldy; y++)
6813     for (x = 0; x < level->fieldx; x++)
6814       chunk_size += putFile16BitBE(file, level->field[x][y]);
6815
6816   return chunk_size;
6817 }
6818
6819 #if ENABLE_HISTORIC_CHUNKS
6820 static void SaveLevel_CONT(FILE *file, struct LevelInfo *level)
6821 {
6822   int i, x, y;
6823
6824   putFile8Bit(file, EL_YAMYAM);
6825   putFile8Bit(file, level->num_yamyam_contents);
6826   putFile8Bit(file, 0);
6827   putFile8Bit(file, 0);
6828
6829   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6830     for (y = 0; y < 3; y++)
6831       for (x = 0; x < 3; x++)
6832         if (level->encoding_16bit_field)
6833           putFile16BitBE(file, level->yamyam_content[i].e[x][y]);
6834         else
6835           putFile8Bit(file, level->yamyam_content[i].e[x][y]);
6836 }
6837 #endif
6838
6839 #if ENABLE_HISTORIC_CHUNKS
6840 static void SaveLevel_CNT2(FILE *file, struct LevelInfo *level, int element)
6841 {
6842   int i, x, y;
6843   int num_contents, content_xsize, content_ysize;
6844   int content_array[MAX_ELEMENT_CONTENTS][3][3];
6845
6846   if (element == EL_YAMYAM)
6847   {
6848     num_contents = level->num_yamyam_contents;
6849     content_xsize = 3;
6850     content_ysize = 3;
6851
6852     for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6853       for (y = 0; y < 3; y++)
6854         for (x = 0; x < 3; x++)
6855           content_array[i][x][y] = level->yamyam_content[i].e[x][y];
6856   }
6857   else if (element == EL_BD_AMOEBA)
6858   {
6859     num_contents = 1;
6860     content_xsize = 1;
6861     content_ysize = 1;
6862
6863     for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6864       for (y = 0; y < 3; y++)
6865         for (x = 0; x < 3; x++)
6866           content_array[i][x][y] = EL_EMPTY;
6867     content_array[0][0][0] = level->amoeba_content;
6868   }
6869   else
6870   {
6871     // chunk header already written -- write empty chunk data
6872     WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT2_SIZE);
6873
6874     Warn("cannot save content for element '%d'", element);
6875
6876     return;
6877   }
6878
6879   putFile16BitBE(file, element);
6880   putFile8Bit(file, num_contents);
6881   putFile8Bit(file, content_xsize);
6882   putFile8Bit(file, content_ysize);
6883
6884   WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT2_UNUSED);
6885
6886   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6887     for (y = 0; y < 3; y++)
6888       for (x = 0; x < 3; x++)
6889         putFile16BitBE(file, content_array[i][x][y]);
6890 }
6891 #endif
6892
6893 #if ENABLE_HISTORIC_CHUNKS
6894 static int SaveLevel_CNT3(FILE *file, struct LevelInfo *level, int element)
6895 {
6896   int envelope_nr = element - EL_ENVELOPE_1;
6897   int envelope_len = strlen(level->envelope_text[envelope_nr]) + 1;
6898   int chunk_size = 0;
6899   int i;
6900
6901   chunk_size += putFile16BitBE(file, element);
6902   chunk_size += putFile16BitBE(file, envelope_len);
6903   chunk_size += putFile8Bit(file, level->envelope_xsize[envelope_nr]);
6904   chunk_size += putFile8Bit(file, level->envelope_ysize[envelope_nr]);
6905
6906   WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT3_UNUSED);
6907   chunk_size += LEVEL_CHUNK_CNT3_UNUSED;
6908
6909   for (i = 0; i < envelope_len; i++)
6910     chunk_size += putFile8Bit(file, level->envelope_text[envelope_nr][i]);
6911
6912   return chunk_size;
6913 }
6914 #endif
6915
6916 #if ENABLE_HISTORIC_CHUNKS
6917 static void SaveLevel_CUS1(FILE *file, struct LevelInfo *level,
6918                            int num_changed_custom_elements)
6919 {
6920   int i, check = 0;
6921
6922   putFile16BitBE(file, num_changed_custom_elements);
6923
6924   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6925   {
6926     int element = EL_CUSTOM_START + i;
6927
6928     struct ElementInfo *ei = &element_info[element];
6929
6930     if (ei->properties[EP_BITFIELD_BASE_NR] != EP_BITMASK_DEFAULT)
6931     {
6932       if (check < num_changed_custom_elements)
6933       {
6934         putFile16BitBE(file, element);
6935         putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
6936       }
6937
6938       check++;
6939     }
6940   }
6941
6942   if (check != num_changed_custom_elements)     // should not happen
6943     Warn("inconsistent number of custom element properties");
6944 }
6945 #endif
6946
6947 #if ENABLE_HISTORIC_CHUNKS
6948 static void SaveLevel_CUS2(FILE *file, struct LevelInfo *level,
6949                            int num_changed_custom_elements)
6950 {
6951   int i, check = 0;
6952
6953   putFile16BitBE(file, num_changed_custom_elements);
6954
6955   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6956   {
6957     int element = EL_CUSTOM_START + i;
6958
6959     if (element_info[element].change->target_element != EL_EMPTY_SPACE)
6960     {
6961       if (check < num_changed_custom_elements)
6962       {
6963         putFile16BitBE(file, element);
6964         putFile16BitBE(file, element_info[element].change->target_element);
6965       }
6966
6967       check++;
6968     }
6969   }
6970
6971   if (check != num_changed_custom_elements)     // should not happen
6972     Warn("inconsistent number of custom target elements");
6973 }
6974 #endif
6975
6976 #if ENABLE_HISTORIC_CHUNKS
6977 static void SaveLevel_CUS3(FILE *file, struct LevelInfo *level,
6978                            int num_changed_custom_elements)
6979 {
6980   int i, j, x, y, check = 0;
6981
6982   putFile16BitBE(file, num_changed_custom_elements);
6983
6984   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6985   {
6986     int element = EL_CUSTOM_START + i;
6987     struct ElementInfo *ei = &element_info[element];
6988
6989     if (ei->modified_settings)
6990     {
6991       if (check < num_changed_custom_elements)
6992       {
6993         putFile16BitBE(file, element);
6994
6995         for (j = 0; j < MAX_ELEMENT_NAME_LEN; j++)
6996           putFile8Bit(file, ei->description[j]);
6997
6998         putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
6999
7000         // some free bytes for future properties and padding
7001         WriteUnusedBytesToFile(file, 7);
7002
7003         putFile8Bit(file, ei->use_gfx_element);
7004         putFile16BitBE(file, ei->gfx_element_initial);
7005
7006         putFile8Bit(file, ei->collect_score_initial);
7007         putFile8Bit(file, ei->collect_count_initial);
7008
7009         putFile16BitBE(file, ei->push_delay_fixed);
7010         putFile16BitBE(file, ei->push_delay_random);
7011         putFile16BitBE(file, ei->move_delay_fixed);
7012         putFile16BitBE(file, ei->move_delay_random);
7013
7014         putFile16BitBE(file, ei->move_pattern);
7015         putFile8Bit(file, ei->move_direction_initial);
7016         putFile8Bit(file, ei->move_stepsize);
7017
7018         for (y = 0; y < 3; y++)
7019           for (x = 0; x < 3; x++)
7020             putFile16BitBE(file, ei->content.e[x][y]);
7021
7022         putFile32BitBE(file, ei->change->events);
7023
7024         putFile16BitBE(file, ei->change->target_element);
7025
7026         putFile16BitBE(file, ei->change->delay_fixed);
7027         putFile16BitBE(file, ei->change->delay_random);
7028         putFile16BitBE(file, ei->change->delay_frames);
7029
7030         putFile16BitBE(file, ei->change->initial_trigger_element);
7031
7032         putFile8Bit(file, ei->change->explode);
7033         putFile8Bit(file, ei->change->use_target_content);
7034         putFile8Bit(file, ei->change->only_if_complete);
7035         putFile8Bit(file, ei->change->use_random_replace);
7036
7037         putFile8Bit(file, ei->change->random_percentage);
7038         putFile8Bit(file, ei->change->replace_when);
7039
7040         for (y = 0; y < 3; y++)
7041           for (x = 0; x < 3; x++)
7042             putFile16BitBE(file, ei->change->content.e[x][y]);
7043
7044         putFile8Bit(file, ei->slippery_type);
7045
7046         // some free bytes for future properties and padding
7047         WriteUnusedBytesToFile(file, LEVEL_CPART_CUS3_UNUSED);
7048       }
7049
7050       check++;
7051     }
7052   }
7053
7054   if (check != num_changed_custom_elements)     // should not happen
7055     Warn("inconsistent number of custom element properties");
7056 }
7057 #endif
7058
7059 #if ENABLE_HISTORIC_CHUNKS
7060 static void SaveLevel_CUS4(FILE *file, struct LevelInfo *level, int element)
7061 {
7062   struct ElementInfo *ei = &element_info[element];
7063   int i, j, x, y;
7064
7065   // ---------- custom element base property values (96 bytes) ----------------
7066
7067   putFile16BitBE(file, element);
7068
7069   for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
7070     putFile8Bit(file, ei->description[i]);
7071
7072   putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
7073
7074   WriteUnusedBytesToFile(file, 4);      // reserved for more base properties
7075
7076   putFile8Bit(file, ei->num_change_pages);
7077
7078   putFile16BitBE(file, ei->ce_value_fixed_initial);
7079   putFile16BitBE(file, ei->ce_value_random_initial);
7080   putFile8Bit(file, ei->use_last_ce_value);
7081
7082   putFile8Bit(file, ei->use_gfx_element);
7083   putFile16BitBE(file, ei->gfx_element_initial);
7084
7085   putFile8Bit(file, ei->collect_score_initial);
7086   putFile8Bit(file, ei->collect_count_initial);
7087
7088   putFile8Bit(file, ei->drop_delay_fixed);
7089   putFile8Bit(file, ei->push_delay_fixed);
7090   putFile8Bit(file, ei->drop_delay_random);
7091   putFile8Bit(file, ei->push_delay_random);
7092   putFile16BitBE(file, ei->move_delay_fixed);
7093   putFile16BitBE(file, ei->move_delay_random);
7094
7095   // bits 0 - 15 of "move_pattern" ...
7096   putFile16BitBE(file, ei->move_pattern & 0xffff);
7097   putFile8Bit(file, ei->move_direction_initial);
7098   putFile8Bit(file, ei->move_stepsize);
7099
7100   putFile8Bit(file, ei->slippery_type);
7101
7102   for (y = 0; y < 3; y++)
7103     for (x = 0; x < 3; x++)
7104       putFile16BitBE(file, ei->content.e[x][y]);
7105
7106   putFile16BitBE(file, ei->move_enter_element);
7107   putFile16BitBE(file, ei->move_leave_element);
7108   putFile8Bit(file, ei->move_leave_type);
7109
7110   // ... bits 16 - 31 of "move_pattern" (not nice, but downward compatible)
7111   putFile16BitBE(file, (ei->move_pattern >> 16) & 0xffff);
7112
7113   putFile8Bit(file, ei->access_direction);
7114
7115   putFile8Bit(file, ei->explosion_delay);
7116   putFile8Bit(file, ei->ignition_delay);
7117   putFile8Bit(file, ei->explosion_type);
7118
7119   // some free bytes for future custom property values and padding
7120   WriteUnusedBytesToFile(file, 1);
7121
7122   // ---------- change page property values (48 bytes) ------------------------
7123
7124   for (i = 0; i < ei->num_change_pages; i++)
7125   {
7126     struct ElementChangeInfo *change = &ei->change_page[i];
7127     unsigned int event_bits;
7128
7129     // bits 0 - 31 of "has_event[]" ...
7130     event_bits = 0;
7131     for (j = 0; j < MIN(NUM_CHANGE_EVENTS, 32); j++)
7132       if (change->has_event[j])
7133         event_bits |= (1 << j);
7134     putFile32BitBE(file, event_bits);
7135
7136     putFile16BitBE(file, change->target_element);
7137
7138     putFile16BitBE(file, change->delay_fixed);
7139     putFile16BitBE(file, change->delay_random);
7140     putFile16BitBE(file, change->delay_frames);
7141
7142     putFile16BitBE(file, change->initial_trigger_element);
7143
7144     putFile8Bit(file, change->explode);
7145     putFile8Bit(file, change->use_target_content);
7146     putFile8Bit(file, change->only_if_complete);
7147     putFile8Bit(file, change->use_random_replace);
7148
7149     putFile8Bit(file, change->random_percentage);
7150     putFile8Bit(file, change->replace_when);
7151
7152     for (y = 0; y < 3; y++)
7153       for (x = 0; x < 3; x++)
7154         putFile16BitBE(file, change->target_content.e[x][y]);
7155
7156     putFile8Bit(file, change->can_change);
7157
7158     putFile8Bit(file, change->trigger_side);
7159
7160     putFile8Bit(file, change->trigger_player);
7161     putFile8Bit(file, (change->trigger_page == CH_PAGE_ANY ? CH_PAGE_ANY_FILE :
7162                        log_2(change->trigger_page)));
7163
7164     putFile8Bit(file, change->has_action);
7165     putFile8Bit(file, change->action_type);
7166     putFile8Bit(file, change->action_mode);
7167     putFile16BitBE(file, change->action_arg);
7168
7169     // ... bits 32 - 39 of "has_event[]" (not nice, but downward compatible)
7170     event_bits = 0;
7171     for (j = 32; j < NUM_CHANGE_EVENTS; j++)
7172       if (change->has_event[j])
7173         event_bits |= (1 << (j - 32));
7174     putFile8Bit(file, event_bits);
7175   }
7176 }
7177 #endif
7178
7179 #if ENABLE_HISTORIC_CHUNKS
7180 static void SaveLevel_GRP1(FILE *file, struct LevelInfo *level, int element)
7181 {
7182   struct ElementInfo *ei = &element_info[element];
7183   struct ElementGroupInfo *group = ei->group;
7184   int i;
7185
7186   putFile16BitBE(file, element);
7187
7188   for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
7189     putFile8Bit(file, ei->description[i]);
7190
7191   putFile8Bit(file, group->num_elements);
7192
7193   putFile8Bit(file, ei->use_gfx_element);
7194   putFile16BitBE(file, ei->gfx_element_initial);
7195
7196   putFile8Bit(file, group->choice_mode);
7197
7198   // some free bytes for future values and padding
7199   WriteUnusedBytesToFile(file, 3);
7200
7201   for (i = 0; i < MAX_ELEMENTS_IN_GROUP; i++)
7202     putFile16BitBE(file, group->element[i]);
7203 }
7204 #endif
7205
7206 static int SaveLevel_MicroChunk(FILE *file, struct LevelFileConfigInfo *entry,
7207                                 boolean write_element)
7208 {
7209   int save_type = entry->save_type;
7210   int data_type = entry->data_type;
7211   int conf_type = entry->conf_type;
7212   int byte_mask = conf_type & CONF_MASK_BYTES;
7213   int element = entry->element;
7214   int default_value = entry->default_value;
7215   int num_bytes = 0;
7216   boolean modified = FALSE;
7217
7218   if (byte_mask != CONF_MASK_MULTI_BYTES)
7219   {
7220     void *value_ptr = entry->value;
7221     int value = (data_type == TYPE_BOOLEAN ? *(boolean *)value_ptr :
7222                  *(int *)value_ptr);
7223
7224     // check if any settings have been modified before saving them
7225     if (value != default_value)
7226       modified = TRUE;
7227
7228     // do not save if explicitly told or if unmodified default settings
7229     if ((save_type == SAVE_CONF_NEVER) ||
7230         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7231       return 0;
7232
7233     if (write_element)
7234       num_bytes += putFile16BitBE(file, element);
7235
7236     num_bytes += putFile8Bit(file, conf_type);
7237     num_bytes += (byte_mask == CONF_MASK_1_BYTE ? putFile8Bit   (file, value) :
7238                   byte_mask == CONF_MASK_2_BYTE ? putFile16BitBE(file, value) :
7239                   byte_mask == CONF_MASK_4_BYTE ? putFile32BitBE(file, value) :
7240                   0);
7241   }
7242   else if (data_type == TYPE_STRING)
7243   {
7244     char *default_string = entry->default_string;
7245     char *string = (char *)(entry->value);
7246     int string_length = strlen(string);
7247     int i;
7248
7249     // check if any settings have been modified before saving them
7250     if (!strEqual(string, default_string))
7251       modified = TRUE;
7252
7253     // do not save if explicitly told or if unmodified default settings
7254     if ((save_type == SAVE_CONF_NEVER) ||
7255         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7256       return 0;
7257
7258     if (write_element)
7259       num_bytes += putFile16BitBE(file, element);
7260
7261     num_bytes += putFile8Bit(file, conf_type);
7262     num_bytes += putFile16BitBE(file, string_length);
7263
7264     for (i = 0; i < string_length; i++)
7265       num_bytes += putFile8Bit(file, string[i]);
7266   }
7267   else if (data_type == TYPE_ELEMENT_LIST)
7268   {
7269     int *element_array = (int *)(entry->value);
7270     int num_elements = *(int *)(entry->num_entities);
7271     int i;
7272
7273     // check if any settings have been modified before saving them
7274     for (i = 0; i < num_elements; i++)
7275       if (element_array[i] != default_value)
7276         modified = TRUE;
7277
7278     // do not save if explicitly told or if unmodified default settings
7279     if ((save_type == SAVE_CONF_NEVER) ||
7280         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7281       return 0;
7282
7283     if (write_element)
7284       num_bytes += putFile16BitBE(file, element);
7285
7286     num_bytes += putFile8Bit(file, conf_type);
7287     num_bytes += putFile16BitBE(file, num_elements * CONF_ELEMENT_NUM_BYTES);
7288
7289     for (i = 0; i < num_elements; i++)
7290       num_bytes += putFile16BitBE(file, element_array[i]);
7291   }
7292   else if (data_type == TYPE_CONTENT_LIST)
7293   {
7294     struct Content *content = (struct Content *)(entry->value);
7295     int num_contents = *(int *)(entry->num_entities);
7296     int i, x, y;
7297
7298     // check if any settings have been modified before saving them
7299     for (i = 0; i < num_contents; i++)
7300       for (y = 0; y < 3; y++)
7301         for (x = 0; x < 3; x++)
7302           if (content[i].e[x][y] != default_value)
7303             modified = TRUE;
7304
7305     // do not save if explicitly told or if unmodified default settings
7306     if ((save_type == SAVE_CONF_NEVER) ||
7307         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7308       return 0;
7309
7310     if (write_element)
7311       num_bytes += putFile16BitBE(file, element);
7312
7313     num_bytes += putFile8Bit(file, conf_type);
7314     num_bytes += putFile16BitBE(file, num_contents * CONF_CONTENT_NUM_BYTES);
7315
7316     for (i = 0; i < num_contents; i++)
7317       for (y = 0; y < 3; y++)
7318         for (x = 0; x < 3; x++)
7319           num_bytes += putFile16BitBE(file, content[i].e[x][y]);
7320   }
7321
7322   return num_bytes;
7323 }
7324
7325 static int SaveLevel_INFO(FILE *file, struct LevelInfo *level)
7326 {
7327   int chunk_size = 0;
7328   int i;
7329
7330   li = *level;          // copy level data into temporary buffer
7331
7332   for (i = 0; chunk_config_INFO[i].data_type != -1; i++)
7333     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_INFO[i], FALSE);
7334
7335   return chunk_size;
7336 }
7337
7338 static int SaveLevel_ELEM(FILE *file, struct LevelInfo *level)
7339 {
7340   int chunk_size = 0;
7341   int i;
7342
7343   li = *level;          // copy level data into temporary buffer
7344
7345   for (i = 0; chunk_config_ELEM[i].data_type != -1; i++)
7346     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_ELEM[i], TRUE);
7347
7348   return chunk_size;
7349 }
7350
7351 static int SaveLevel_NOTE(FILE *file, struct LevelInfo *level, int element)
7352 {
7353   int envelope_nr = element - EL_ENVELOPE_1;
7354   int chunk_size = 0;
7355   int i;
7356
7357   chunk_size += putFile16BitBE(file, element);
7358
7359   // copy envelope data into temporary buffer
7360   xx_envelope = level->envelope[envelope_nr];
7361
7362   for (i = 0; chunk_config_NOTE[i].data_type != -1; i++)
7363     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_NOTE[i], FALSE);
7364
7365   return chunk_size;
7366 }
7367
7368 static int SaveLevel_CUSX(FILE *file, struct LevelInfo *level, int element)
7369 {
7370   struct ElementInfo *ei = &element_info[element];
7371   int chunk_size = 0;
7372   int i, j;
7373
7374   chunk_size += putFile16BitBE(file, element);
7375
7376   xx_ei = *ei;          // copy element data into temporary buffer
7377
7378   // set default description string for this specific element
7379   strcpy(xx_default_description, getDefaultElementDescription(ei));
7380
7381   for (i = 0; chunk_config_CUSX_base[i].data_type != -1; i++)
7382     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_CUSX_base[i], FALSE);
7383
7384   for (i = 0; i < ei->num_change_pages; i++)
7385   {
7386     struct ElementChangeInfo *change = &ei->change_page[i];
7387
7388     xx_current_change_page = i;
7389
7390     xx_change = *change;        // copy change data into temporary buffer
7391
7392     resetEventBits();
7393     setEventBitsFromEventFlags(change);
7394
7395     for (j = 0; chunk_config_CUSX_change[j].data_type != -1; j++)
7396       chunk_size += SaveLevel_MicroChunk(file, &chunk_config_CUSX_change[j],
7397                                          FALSE);
7398   }
7399
7400   return chunk_size;
7401 }
7402
7403 static int SaveLevel_GRPX(FILE *file, struct LevelInfo *level, int element)
7404 {
7405   struct ElementInfo *ei = &element_info[element];
7406   struct ElementGroupInfo *group = ei->group;
7407   int chunk_size = 0;
7408   int i;
7409
7410   chunk_size += putFile16BitBE(file, element);
7411
7412   xx_ei = *ei;          // copy element data into temporary buffer
7413   xx_group = *group;    // copy group data into temporary buffer
7414
7415   // set default description string for this specific element
7416   strcpy(xx_default_description, getDefaultElementDescription(ei));
7417
7418   for (i = 0; chunk_config_GRPX[i].data_type != -1; i++)
7419     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_GRPX[i], FALSE);
7420
7421   return chunk_size;
7422 }
7423
7424 static void SaveLevelFromFilename(struct LevelInfo *level, char *filename,
7425                                   boolean save_as_template)
7426 {
7427   int chunk_size;
7428   int i;
7429   FILE *file;
7430
7431   if (!(file = fopen(filename, MODE_WRITE)))
7432   {
7433     Warn("cannot save level file '%s'", filename);
7434
7435     return;
7436   }
7437
7438   level->file_version = FILE_VERSION_ACTUAL;
7439   level->game_version = GAME_VERSION_ACTUAL;
7440
7441   level->creation_date = getCurrentDate();
7442
7443   putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
7444   putFileChunkBE(file, "CAVE", CHUNK_SIZE_NONE);
7445
7446   chunk_size = SaveLevel_VERS(NULL, level);
7447   putFileChunkBE(file, "VERS", chunk_size);
7448   SaveLevel_VERS(file, level);
7449
7450   chunk_size = SaveLevel_DATE(NULL, level);
7451   putFileChunkBE(file, "DATE", chunk_size);
7452   SaveLevel_DATE(file, level);
7453
7454   chunk_size = SaveLevel_NAME(NULL, level);
7455   putFileChunkBE(file, "NAME", chunk_size);
7456   SaveLevel_NAME(file, level);
7457
7458   chunk_size = SaveLevel_AUTH(NULL, level);
7459   putFileChunkBE(file, "AUTH", chunk_size);
7460   SaveLevel_AUTH(file, level);
7461
7462   chunk_size = SaveLevel_INFO(NULL, level);
7463   putFileChunkBE(file, "INFO", chunk_size);
7464   SaveLevel_INFO(file, level);
7465
7466   chunk_size = SaveLevel_BODY(NULL, level);
7467   putFileChunkBE(file, "BODY", chunk_size);
7468   SaveLevel_BODY(file, level);
7469
7470   chunk_size = SaveLevel_ELEM(NULL, level);
7471   if (chunk_size > LEVEL_CHUNK_ELEM_UNCHANGED)          // save if changed
7472   {
7473     putFileChunkBE(file, "ELEM", chunk_size);
7474     SaveLevel_ELEM(file, level);
7475   }
7476
7477   for (i = 0; i < NUM_ENVELOPES; i++)
7478   {
7479     int element = EL_ENVELOPE_1 + i;
7480
7481     chunk_size = SaveLevel_NOTE(NULL, level, element);
7482     if (chunk_size > LEVEL_CHUNK_NOTE_UNCHANGED)        // save if changed
7483     {
7484       putFileChunkBE(file, "NOTE", chunk_size);
7485       SaveLevel_NOTE(file, level, element);
7486     }
7487   }
7488
7489   // if not using template level, check for non-default custom/group elements
7490   if (!level->use_custom_template || save_as_template)
7491   {
7492     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
7493     {
7494       int element = EL_CUSTOM_START + i;
7495
7496       chunk_size = SaveLevel_CUSX(NULL, level, element);
7497       if (chunk_size > LEVEL_CHUNK_CUSX_UNCHANGED)      // save if changed
7498       {
7499         putFileChunkBE(file, "CUSX", chunk_size);
7500         SaveLevel_CUSX(file, level, element);
7501       }
7502     }
7503
7504     for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
7505     {
7506       int element = EL_GROUP_START + i;
7507
7508       chunk_size = SaveLevel_GRPX(NULL, level, element);
7509       if (chunk_size > LEVEL_CHUNK_GRPX_UNCHANGED)      // save if changed
7510       {
7511         putFileChunkBE(file, "GRPX", chunk_size);
7512         SaveLevel_GRPX(file, level, element);
7513       }
7514     }
7515   }
7516
7517   fclose(file);
7518
7519   SetFilePermissions(filename, PERMS_PRIVATE);
7520 }
7521
7522 void SaveLevel(int nr)
7523 {
7524   char *filename = getDefaultLevelFilename(nr);
7525
7526   SaveLevelFromFilename(&level, filename, FALSE);
7527 }
7528
7529 void SaveLevelTemplate(void)
7530 {
7531   char *filename = getLocalLevelTemplateFilename();
7532
7533   SaveLevelFromFilename(&level, filename, TRUE);
7534 }
7535
7536 boolean SaveLevelChecked(int nr)
7537 {
7538   char *filename = getDefaultLevelFilename(nr);
7539   boolean new_level = !fileExists(filename);
7540   boolean level_saved = FALSE;
7541
7542   if (new_level || Request("Save this level and kill the old?", REQ_ASK))
7543   {
7544     SaveLevel(nr);
7545
7546     if (new_level)
7547       Request("Level saved!", REQ_CONFIRM);
7548
7549     level_saved = TRUE;
7550   }
7551
7552   return level_saved;
7553 }
7554
7555 void DumpLevel(struct LevelInfo *level)
7556 {
7557   if (level->no_level_file || level->no_valid_file)
7558   {
7559     Warn("cannot dump -- no valid level file found");
7560
7561     return;
7562   }
7563
7564   PrintLine("-", 79);
7565   Print("Level xxx (file version %08d, game version %08d)\n",
7566         level->file_version, level->game_version);
7567   PrintLine("-", 79);
7568
7569   Print("Level author: '%s'\n", level->author);
7570   Print("Level title:  '%s'\n", level->name);
7571   Print("\n");
7572   Print("Playfield size: %d x %d\n", level->fieldx, level->fieldy);
7573   Print("\n");
7574   Print("Level time:  %d seconds\n", level->time);
7575   Print("Gems needed: %d\n", level->gems_needed);
7576   Print("\n");
7577   Print("Time for magic wall: %d seconds\n", level->time_magic_wall);
7578   Print("Time for wheel:      %d seconds\n", level->time_wheel);
7579   Print("Time for light:      %d seconds\n", level->time_light);
7580   Print("Time for timegate:   %d seconds\n", level->time_timegate);
7581   Print("\n");
7582   Print("Amoeba speed: %d\n", level->amoeba_speed);
7583   Print("\n");
7584
7585   Print("EM style slippery gems:      %s\n", (level->em_slippery_gems ? "yes" : "no"));
7586   Print("Player blocks last field:    %s\n", (level->block_last_field ? "yes" : "no"));
7587   Print("SP player blocks last field: %s\n", (level->sp_block_last_field ? "yes" : "no"));
7588   Print("use spring bug: %s\n", (level->use_spring_bug ? "yes" : "no"));
7589   Print("use step counter: %s\n", (level->use_step_counter ? "yes" : "no"));
7590
7591   PrintLine("-", 79);
7592 }
7593
7594
7595 // ============================================================================
7596 // tape file functions
7597 // ============================================================================
7598
7599 static void setTapeInfoToDefaults(void)
7600 {
7601   int i;
7602
7603   // always start with reliable default values (empty tape)
7604   TapeErase();
7605
7606   // default values (also for pre-1.2 tapes) with only the first player
7607   tape.player_participates[0] = TRUE;
7608   for (i = 1; i < MAX_PLAYERS; i++)
7609     tape.player_participates[i] = FALSE;
7610
7611   // at least one (default: the first) player participates in every tape
7612   tape.num_participating_players = 1;
7613
7614   tape.property_bits = TAPE_PROPERTY_NONE;
7615
7616   tape.level_nr = level_nr;
7617   tape.counter = 0;
7618   tape.changed = FALSE;
7619
7620   tape.recording = FALSE;
7621   tape.playing = FALSE;
7622   tape.pausing = FALSE;
7623
7624   tape.no_valid_file = FALSE;
7625 }
7626
7627 static int getTapePosSize(struct TapeInfo *tape)
7628 {
7629   int tape_pos_size = 0;
7630
7631   if (tape->use_key_actions)
7632     tape_pos_size += tape->num_participating_players;
7633
7634   if (tape->use_mouse_actions)
7635     tape_pos_size += 3;         // x and y position and mouse button mask
7636
7637   tape_pos_size += 1;           // tape action delay value
7638
7639   return tape_pos_size;
7640 }
7641
7642 static void setTapeActionFlags(struct TapeInfo *tape, int value)
7643 {
7644   tape->use_key_actions = FALSE;
7645   tape->use_mouse_actions = FALSE;
7646
7647   if (value != TAPE_USE_MOUSE_ACTIONS_ONLY)
7648     tape->use_key_actions = TRUE;
7649
7650   if (value != TAPE_USE_KEY_ACTIONS_ONLY)
7651     tape->use_mouse_actions = TRUE;
7652 }
7653
7654 static int getTapeActionValue(struct TapeInfo *tape)
7655 {
7656   return (tape->use_key_actions &&
7657           tape->use_mouse_actions ? TAPE_USE_KEY_AND_MOUSE_ACTIONS :
7658           tape->use_key_actions   ? TAPE_USE_KEY_ACTIONS_ONLY :
7659           tape->use_mouse_actions ? TAPE_USE_MOUSE_ACTIONS_ONLY :
7660           TAPE_ACTIONS_DEFAULT);
7661 }
7662
7663 static int LoadTape_VERS(File *file, int chunk_size, struct TapeInfo *tape)
7664 {
7665   tape->file_version = getFileVersion(file);
7666   tape->game_version = getFileVersion(file);
7667
7668   return chunk_size;
7669 }
7670
7671 static int LoadTape_HEAD(File *file, int chunk_size, struct TapeInfo *tape)
7672 {
7673   int i;
7674
7675   tape->random_seed = getFile32BitBE(file);
7676   tape->date        = getFile32BitBE(file);
7677   tape->length      = getFile32BitBE(file);
7678
7679   // read header fields that are new since version 1.2
7680   if (tape->file_version >= FILE_VERSION_1_2)
7681   {
7682     byte store_participating_players = getFile8Bit(file);
7683     int engine_version;
7684
7685     // since version 1.2, tapes store which players participate in the tape
7686     tape->num_participating_players = 0;
7687     for (i = 0; i < MAX_PLAYERS; i++)
7688     {
7689       tape->player_participates[i] = FALSE;
7690
7691       if (store_participating_players & (1 << i))
7692       {
7693         tape->player_participates[i] = TRUE;
7694         tape->num_participating_players++;
7695       }
7696     }
7697
7698     setTapeActionFlags(tape, getFile8Bit(file));
7699
7700     tape->property_bits = getFile8Bit(file);
7701
7702     ReadUnusedBytesFromFile(file, TAPE_CHUNK_HEAD_UNUSED);
7703
7704     engine_version = getFileVersion(file);
7705     if (engine_version > 0)
7706       tape->engine_version = engine_version;
7707     else
7708       tape->engine_version = tape->game_version;
7709   }
7710
7711   return chunk_size;
7712 }
7713
7714 static int LoadTape_INFO(File *file, int chunk_size, struct TapeInfo *tape)
7715 {
7716   int level_identifier_size;
7717   int i;
7718
7719   level_identifier_size = getFile16BitBE(file);
7720
7721   tape->level_identifier =
7722     checked_realloc(tape->level_identifier, level_identifier_size);
7723
7724   for (i = 0; i < level_identifier_size; i++)
7725     tape->level_identifier[i] = getFile8Bit(file);
7726
7727   tape->level_nr = getFile16BitBE(file);
7728
7729   chunk_size = 2 + level_identifier_size + 2;
7730
7731   return chunk_size;
7732 }
7733
7734 static int LoadTape_BODY(File *file, int chunk_size, struct TapeInfo *tape)
7735 {
7736   int i, j;
7737   int tape_pos_size = getTapePosSize(tape);
7738   int chunk_size_expected = tape_pos_size * tape->length;
7739
7740   if (chunk_size_expected != chunk_size)
7741   {
7742     ReadUnusedBytesFromFile(file, chunk_size);
7743     return chunk_size_expected;
7744   }
7745
7746   for (i = 0; i < tape->length; i++)
7747   {
7748     if (i >= MAX_TAPE_LEN)
7749     {
7750       Warn("tape truncated -- size exceeds maximum tape size %d",
7751             MAX_TAPE_LEN);
7752
7753       // tape too large; read and ignore remaining tape data from this chunk
7754       for (;i < tape->length; i++)
7755         ReadUnusedBytesFromFile(file, tape_pos_size);
7756
7757       break;
7758     }
7759
7760     if (tape->use_key_actions)
7761     {
7762       for (j = 0; j < MAX_PLAYERS; j++)
7763       {
7764         tape->pos[i].action[j] = MV_NONE;
7765
7766         if (tape->player_participates[j])
7767           tape->pos[i].action[j] = getFile8Bit(file);
7768       }
7769     }
7770
7771     if (tape->use_mouse_actions)
7772     {
7773       tape->pos[i].action[TAPE_ACTION_LX]     = getFile8Bit(file);
7774       tape->pos[i].action[TAPE_ACTION_LY]     = getFile8Bit(file);
7775       tape->pos[i].action[TAPE_ACTION_BUTTON] = getFile8Bit(file);
7776     }
7777
7778     tape->pos[i].delay = getFile8Bit(file);
7779
7780     if (tape->file_version == FILE_VERSION_1_0)
7781     {
7782       // eliminate possible diagonal moves in old tapes
7783       // this is only for backward compatibility
7784
7785       byte joy_dir[4] = { JOY_LEFT, JOY_RIGHT, JOY_UP, JOY_DOWN };
7786       byte action = tape->pos[i].action[0];
7787       int k, num_moves = 0;
7788
7789       for (k = 0; k<4; k++)
7790       {
7791         if (action & joy_dir[k])
7792         {
7793           tape->pos[i + num_moves].action[0] = joy_dir[k];
7794           if (num_moves > 0)
7795             tape->pos[i + num_moves].delay = 0;
7796           num_moves++;
7797         }
7798       }
7799
7800       if (num_moves > 1)
7801       {
7802         num_moves--;
7803         i += num_moves;
7804         tape->length += num_moves;
7805       }
7806     }
7807     else if (tape->file_version < FILE_VERSION_2_0)
7808     {
7809       // convert pre-2.0 tapes to new tape format
7810
7811       if (tape->pos[i].delay > 1)
7812       {
7813         // action part
7814         tape->pos[i + 1] = tape->pos[i];
7815         tape->pos[i + 1].delay = 1;
7816
7817         // delay part
7818         for (j = 0; j < MAX_PLAYERS; j++)
7819           tape->pos[i].action[j] = MV_NONE;
7820         tape->pos[i].delay--;
7821
7822         i++;
7823         tape->length++;
7824       }
7825     }
7826
7827     if (checkEndOfFile(file))
7828       break;
7829   }
7830
7831   if (i != tape->length)
7832     chunk_size = tape_pos_size * i;
7833
7834   return chunk_size;
7835 }
7836
7837 static void LoadTape_SokobanSolution(char *filename)
7838 {
7839   File *file;
7840   int move_delay = TILESIZE / level.initial_player_stepsize[0];
7841
7842   if (!(file = openFile(filename, MODE_READ)))
7843   {
7844     tape.no_valid_file = TRUE;
7845
7846     return;
7847   }
7848
7849   while (!checkEndOfFile(file))
7850   {
7851     unsigned char c = getByteFromFile(file);
7852
7853     if (checkEndOfFile(file))
7854       break;
7855
7856     switch (c)
7857     {
7858       case 'u':
7859       case 'U':
7860         tape.pos[tape.length].action[0] = MV_UP;
7861         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
7862         tape.length++;
7863         break;
7864
7865       case 'd':
7866       case 'D':
7867         tape.pos[tape.length].action[0] = MV_DOWN;
7868         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
7869         tape.length++;
7870         break;
7871
7872       case 'l':
7873       case 'L':
7874         tape.pos[tape.length].action[0] = MV_LEFT;
7875         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
7876         tape.length++;
7877         break;
7878
7879       case 'r':
7880       case 'R':
7881         tape.pos[tape.length].action[0] = MV_RIGHT;
7882         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
7883         tape.length++;
7884         break;
7885
7886       case '\n':
7887       case '\r':
7888       case '\t':
7889       case ' ':
7890         // ignore white-space characters
7891         break;
7892
7893       default:
7894         tape.no_valid_file = TRUE;
7895
7896         Warn("unsupported Sokoban solution file '%s' ['%d']", filename, c);
7897
7898         break;
7899     }
7900   }
7901
7902   closeFile(file);
7903
7904   if (tape.no_valid_file)
7905     return;
7906
7907   tape.length_frames  = GetTapeLengthFrames();
7908   tape.length_seconds = GetTapeLengthSeconds();
7909 }
7910
7911 void LoadTapeFromFilename(char *filename)
7912 {
7913   char cookie[MAX_LINE_LEN];
7914   char chunk_name[CHUNK_ID_LEN + 1];
7915   File *file;
7916   int chunk_size;
7917
7918   // always start with reliable default values
7919   setTapeInfoToDefaults();
7920
7921   if (strSuffix(filename, ".sln"))
7922   {
7923     LoadTape_SokobanSolution(filename);
7924
7925     return;
7926   }
7927
7928   if (!(file = openFile(filename, MODE_READ)))
7929   {
7930     tape.no_valid_file = TRUE;
7931
7932     return;
7933   }
7934
7935   getFileChunkBE(file, chunk_name, NULL);
7936   if (strEqual(chunk_name, "RND1"))
7937   {
7938     getFile32BitBE(file);               // not used
7939
7940     getFileChunkBE(file, chunk_name, NULL);
7941     if (!strEqual(chunk_name, "TAPE"))
7942     {
7943       tape.no_valid_file = TRUE;
7944
7945       Warn("unknown format of tape file '%s'", filename);
7946
7947       closeFile(file);
7948
7949       return;
7950     }
7951   }
7952   else  // check for pre-2.0 file format with cookie string
7953   {
7954     strcpy(cookie, chunk_name);
7955     if (getStringFromFile(file, &cookie[4], MAX_LINE_LEN - 4) == NULL)
7956       cookie[4] = '\0';
7957     if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
7958       cookie[strlen(cookie) - 1] = '\0';
7959
7960     if (!checkCookieString(cookie, TAPE_COOKIE_TMPL))
7961     {
7962       tape.no_valid_file = TRUE;
7963
7964       Warn("unknown format of tape file '%s'", filename);
7965
7966       closeFile(file);
7967
7968       return;
7969     }
7970
7971     if ((tape.file_version = getFileVersionFromCookieString(cookie)) == -1)
7972     {
7973       tape.no_valid_file = TRUE;
7974
7975       Warn("unsupported version of tape file '%s'", filename);
7976
7977       closeFile(file);
7978
7979       return;
7980     }
7981
7982     // pre-2.0 tape files have no game version, so use file version here
7983     tape.game_version = tape.file_version;
7984   }
7985
7986   if (tape.file_version < FILE_VERSION_1_2)
7987   {
7988     // tape files from versions before 1.2.0 without chunk structure
7989     LoadTape_HEAD(file, TAPE_CHUNK_HEAD_SIZE, &tape);
7990     LoadTape_BODY(file, 2 * tape.length,      &tape);
7991   }
7992   else
7993   {
7994     static struct
7995     {
7996       char *name;
7997       int size;
7998       int (*loader)(File *, int, struct TapeInfo *);
7999     }
8000     chunk_info[] =
8001     {
8002       { "VERS", TAPE_CHUNK_VERS_SIZE,   LoadTape_VERS },
8003       { "HEAD", TAPE_CHUNK_HEAD_SIZE,   LoadTape_HEAD },
8004       { "INFO", -1,                     LoadTape_INFO },
8005       { "BODY", -1,                     LoadTape_BODY },
8006       {  NULL,  0,                      NULL }
8007     };
8008
8009     while (getFileChunkBE(file, chunk_name, &chunk_size))
8010     {
8011       int i = 0;
8012
8013       while (chunk_info[i].name != NULL &&
8014              !strEqual(chunk_name, chunk_info[i].name))
8015         i++;
8016
8017       if (chunk_info[i].name == NULL)
8018       {
8019         Warn("unknown chunk '%s' in tape file '%s'",
8020               chunk_name, filename);
8021
8022         ReadUnusedBytesFromFile(file, chunk_size);
8023       }
8024       else if (chunk_info[i].size != -1 &&
8025                chunk_info[i].size != chunk_size)
8026       {
8027         Warn("wrong size (%d) of chunk '%s' in tape file '%s'",
8028               chunk_size, chunk_name, filename);
8029
8030         ReadUnusedBytesFromFile(file, chunk_size);
8031       }
8032       else
8033       {
8034         // call function to load this tape chunk
8035         int chunk_size_expected =
8036           (chunk_info[i].loader)(file, chunk_size, &tape);
8037
8038         // the size of some chunks cannot be checked before reading other
8039         // chunks first (like "HEAD" and "BODY") that contain some header
8040         // information, so check them here
8041         if (chunk_size_expected != chunk_size)
8042         {
8043           Warn("wrong size (%d) of chunk '%s' in tape file '%s'",
8044                 chunk_size, chunk_name, filename);
8045         }
8046       }
8047     }
8048   }
8049
8050   closeFile(file);
8051
8052   tape.length_frames  = GetTapeLengthFrames();
8053   tape.length_seconds = GetTapeLengthSeconds();
8054
8055 #if 0
8056   Debug("files:LoadTapeFromFilename", "tape file version: %d",
8057         tape.file_version);
8058   Debug("files:LoadTapeFromFilename", "tape game version: %d",
8059         tape.game_version);
8060   Debug("files:LoadTapeFromFilename", "tape engine version: %d",
8061         tape.engine_version);
8062 #endif
8063 }
8064
8065 void LoadTape(int nr)
8066 {
8067   char *filename = getTapeFilename(nr);
8068
8069   LoadTapeFromFilename(filename);
8070 }
8071
8072 void LoadSolutionTape(int nr)
8073 {
8074   char *filename = getSolutionTapeFilename(nr);
8075
8076   LoadTapeFromFilename(filename);
8077
8078   if (TAPE_IS_EMPTY(tape) &&
8079       level.game_engine_type == GAME_ENGINE_TYPE_SP &&
8080       level.native_sp_level->demo.is_available)
8081     CopyNativeTape_SP_to_RND(&level);
8082 }
8083
8084 static void SaveTape_VERS(FILE *file, struct TapeInfo *tape)
8085 {
8086   putFileVersion(file, tape->file_version);
8087   putFileVersion(file, tape->game_version);
8088 }
8089
8090 static void SaveTape_HEAD(FILE *file, struct TapeInfo *tape)
8091 {
8092   int i;
8093   byte store_participating_players = 0;
8094
8095   // set bits for participating players for compact storage
8096   for (i = 0; i < MAX_PLAYERS; i++)
8097     if (tape->player_participates[i])
8098       store_participating_players |= (1 << i);
8099
8100   putFile32BitBE(file, tape->random_seed);
8101   putFile32BitBE(file, tape->date);
8102   putFile32BitBE(file, tape->length);
8103
8104   putFile8Bit(file, store_participating_players);
8105
8106   putFile8Bit(file, getTapeActionValue(tape));
8107
8108   putFile8Bit(file, tape->property_bits);
8109
8110   // unused bytes not at the end here for 4-byte alignment of engine_version
8111   WriteUnusedBytesToFile(file, TAPE_CHUNK_HEAD_UNUSED);
8112
8113   putFileVersion(file, tape->engine_version);
8114 }
8115
8116 static void SaveTape_INFO(FILE *file, struct TapeInfo *tape)
8117 {
8118   int level_identifier_size = strlen(tape->level_identifier) + 1;
8119   int i;
8120
8121   putFile16BitBE(file, level_identifier_size);
8122
8123   for (i = 0; i < level_identifier_size; i++)
8124     putFile8Bit(file, tape->level_identifier[i]);
8125
8126   putFile16BitBE(file, tape->level_nr);
8127 }
8128
8129 static void SaveTape_BODY(FILE *file, struct TapeInfo *tape)
8130 {
8131   int i, j;
8132
8133   for (i = 0; i < tape->length; i++)
8134   {
8135     if (tape->use_key_actions)
8136     {
8137       for (j = 0; j < MAX_PLAYERS; j++)
8138         if (tape->player_participates[j])
8139           putFile8Bit(file, tape->pos[i].action[j]);
8140     }
8141
8142     if (tape->use_mouse_actions)
8143     {
8144       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_LX]);
8145       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_LY]);
8146       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_BUTTON]);
8147     }
8148
8149     putFile8Bit(file, tape->pos[i].delay);
8150   }
8151 }
8152
8153 void SaveTapeToFilename(char *filename)
8154 {
8155   FILE *file;
8156   int tape_pos_size;
8157   int info_chunk_size;
8158   int body_chunk_size;
8159
8160   if (!(file = fopen(filename, MODE_WRITE)))
8161   {
8162     Warn("cannot save level recording file '%s'", filename);
8163
8164     return;
8165   }
8166
8167   tape_pos_size = getTapePosSize(&tape);
8168
8169   info_chunk_size = 2 + (strlen(tape.level_identifier) + 1) + 2;
8170   body_chunk_size = tape_pos_size * tape.length;
8171
8172   putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
8173   putFileChunkBE(file, "TAPE", CHUNK_SIZE_NONE);
8174
8175   putFileChunkBE(file, "VERS", TAPE_CHUNK_VERS_SIZE);
8176   SaveTape_VERS(file, &tape);
8177
8178   putFileChunkBE(file, "HEAD", TAPE_CHUNK_HEAD_SIZE);
8179   SaveTape_HEAD(file, &tape);
8180
8181   putFileChunkBE(file, "INFO", info_chunk_size);
8182   SaveTape_INFO(file, &tape);
8183
8184   putFileChunkBE(file, "BODY", body_chunk_size);
8185   SaveTape_BODY(file, &tape);
8186
8187   fclose(file);
8188
8189   SetFilePermissions(filename, PERMS_PRIVATE);
8190 }
8191
8192 void SaveTape(int nr)
8193 {
8194   char *filename = getTapeFilename(nr);
8195   int i;
8196
8197   InitTapeDirectory(leveldir_current->subdir);
8198
8199   tape.file_version = FILE_VERSION_ACTUAL;
8200   tape.game_version = GAME_VERSION_ACTUAL;
8201
8202   tape.num_participating_players = 0;
8203
8204   // count number of participating players
8205   for (i = 0; i < MAX_PLAYERS; i++)
8206     if (tape.player_participates[i])
8207       tape.num_participating_players++;
8208
8209   SaveTapeToFilename(filename);
8210
8211   tape.changed = FALSE;
8212 }
8213
8214 static boolean SaveTapeCheckedExt(int nr, char *msg_replace, char *msg_saved,
8215                                   unsigned int req_state_added)
8216 {
8217   char *filename = getTapeFilename(nr);
8218   boolean new_tape = !fileExists(filename);
8219   boolean tape_saved = FALSE;
8220
8221   if (new_tape || Request(msg_replace, REQ_ASK | req_state_added))
8222   {
8223     SaveTape(nr);
8224
8225     if (new_tape)
8226       Request(msg_saved, REQ_CONFIRM | req_state_added);
8227
8228     tape_saved = TRUE;
8229   }
8230
8231   return tape_saved;
8232 }
8233
8234 boolean SaveTapeChecked(int nr)
8235 {
8236   return SaveTapeCheckedExt(nr, "Replace old tape?", "Tape saved!", 0);
8237 }
8238
8239 boolean SaveTapeChecked_LevelSolved(int nr)
8240 {
8241   return SaveTapeCheckedExt(nr, "Level solved! Replace old tape?",
8242                                 "Level solved! Tape saved!", REQ_STAY_OPEN);
8243 }
8244
8245 void DumpTape(struct TapeInfo *tape)
8246 {
8247   int tape_frame_counter;
8248   int i, j;
8249
8250   if (tape->no_valid_file)
8251   {
8252     Warn("cannot dump -- no valid tape file found");
8253
8254     return;
8255   }
8256
8257   PrintLine("-", 79);
8258   Print("Tape of Level %03d (file version %08d, game version %08d)\n",
8259         tape->level_nr, tape->file_version, tape->game_version);
8260   Print("                  (effective engine version %08d)\n",
8261         tape->engine_version);
8262   Print("Level series identifier: '%s'\n", tape->level_identifier);
8263   PrintLine("-", 79);
8264
8265   tape_frame_counter = 0;
8266
8267   for (i = 0; i < tape->length; i++)
8268   {
8269     if (i >= MAX_TAPE_LEN)
8270       break;
8271
8272     Print("%04d: ", i);
8273
8274     for (j = 0; j < MAX_PLAYERS; j++)
8275     {
8276       if (tape->player_participates[j])
8277       {
8278         int action = tape->pos[i].action[j];
8279
8280         Print("%d:%02x ", j, action);
8281         Print("[%c%c%c%c|%c%c] - ",
8282               (action & JOY_LEFT ? '<' : ' '),
8283               (action & JOY_RIGHT ? '>' : ' '),
8284               (action & JOY_UP ? '^' : ' '),
8285               (action & JOY_DOWN ? 'v' : ' '),
8286               (action & JOY_BUTTON_1 ? '1' : ' '),
8287               (action & JOY_BUTTON_2 ? '2' : ' '));
8288       }
8289     }
8290
8291     Print("(%03d) ", tape->pos[i].delay);
8292     Print("[%05d]\n", tape_frame_counter);
8293
8294     tape_frame_counter += tape->pos[i].delay;
8295   }
8296
8297   PrintLine("-", 79);
8298 }
8299
8300
8301 // ============================================================================
8302 // score file functions
8303 // ============================================================================
8304
8305 void LoadScore(int nr)
8306 {
8307   int i;
8308   char *filename = getScoreFilename(nr);
8309   char cookie[MAX_LINE_LEN];
8310   char line[MAX_LINE_LEN];
8311   char *line_ptr;
8312   FILE *file;
8313
8314   // always start with reliable default values
8315   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8316   {
8317     strcpy(highscore[i].Name, EMPTY_PLAYER_NAME);
8318     highscore[i].Score = 0;
8319   }
8320
8321   if (!(file = fopen(filename, MODE_READ)))
8322     return;
8323
8324   // check file identifier
8325   if (fgets(cookie, MAX_LINE_LEN, file) == NULL)
8326     cookie[0] = '\0';
8327   if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
8328     cookie[strlen(cookie) - 1] = '\0';
8329
8330   if (!checkCookieString(cookie, SCORE_COOKIE))
8331   {
8332     Warn("unknown format of score file '%s'", filename);
8333
8334     fclose(file);
8335
8336     return;
8337   }
8338
8339   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8340   {
8341     if (fscanf(file, "%d", &highscore[i].Score) == EOF)
8342       Warn("fscanf() failed; %s", strerror(errno));
8343
8344     if (fgets(line, MAX_LINE_LEN, file) == NULL)
8345       line[0] = '\0';
8346
8347     if (strlen(line) > 0 && line[strlen(line) - 1] == '\n')
8348       line[strlen(line) - 1] = '\0';
8349
8350     for (line_ptr = line; *line_ptr; line_ptr++)
8351     {
8352       if (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
8353       {
8354         strncpy(highscore[i].Name, line_ptr, MAX_PLAYER_NAME_LEN);
8355         highscore[i].Name[MAX_PLAYER_NAME_LEN] = '\0';
8356         break;
8357       }
8358     }
8359   }
8360
8361   fclose(file);
8362 }
8363
8364 void SaveScore(int nr)
8365 {
8366   int i;
8367   int permissions = (program.global_scores ? PERMS_PUBLIC : PERMS_PRIVATE);
8368   char *filename = getScoreFilename(nr);
8369   FILE *file;
8370
8371   // used instead of "leveldir_current->subdir" (for network games)
8372   InitScoreDirectory(levelset.identifier);
8373
8374   if (!(file = fopen(filename, MODE_WRITE)))
8375   {
8376     Warn("cannot save score for level %d", nr);
8377
8378     return;
8379   }
8380
8381   fprintf(file, "%s\n\n", SCORE_COOKIE);
8382
8383   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8384     fprintf(file, "%d %s\n", highscore[i].Score, highscore[i].Name);
8385
8386   fclose(file);
8387
8388   SetFilePermissions(filename, permissions);
8389 }
8390
8391
8392 // ============================================================================
8393 // setup file functions
8394 // ============================================================================
8395
8396 #define TOKEN_STR_PLAYER_PREFIX                 "player_"
8397
8398
8399 static struct TokenInfo global_setup_tokens[] =
8400 {
8401   {
8402     TYPE_STRING,
8403     &setup.player_name,                         "player_name"
8404   },
8405   {
8406     TYPE_SWITCH,
8407     &setup.sound,                               "sound"
8408   },
8409   {
8410     TYPE_SWITCH,
8411     &setup.sound_loops,                         "repeating_sound_loops"
8412   },
8413   {
8414     TYPE_SWITCH,
8415     &setup.sound_music,                         "background_music"
8416   },
8417   {
8418     TYPE_SWITCH,
8419     &setup.sound_simple,                        "simple_sound_effects"
8420   },
8421   {
8422     TYPE_SWITCH,
8423     &setup.toons,                               "toons"
8424   },
8425   {
8426     TYPE_SWITCH,
8427     &setup.scroll_delay,                        "scroll_delay"
8428   },
8429   {
8430     TYPE_SWITCH,
8431     &setup.forced_scroll_delay,                 "forced_scroll_delay"
8432   },
8433   {
8434     TYPE_INTEGER,
8435     &setup.scroll_delay_value,                  "scroll_delay_value"
8436   },
8437   {
8438     TYPE_STRING,
8439     &setup.engine_snapshot_mode,                "engine_snapshot_mode"
8440   },
8441   {
8442     TYPE_INTEGER,
8443     &setup.engine_snapshot_memory,              "engine_snapshot_memory"
8444   },
8445   {
8446     TYPE_SWITCH,
8447     &setup.fade_screens,                        "fade_screens"
8448   },
8449   {
8450     TYPE_SWITCH,
8451     &setup.autorecord,                          "automatic_tape_recording"
8452   },
8453   {
8454     TYPE_SWITCH,
8455     &setup.show_titlescreen,                    "show_titlescreen"
8456   },
8457   {
8458     TYPE_SWITCH,
8459     &setup.quick_doors,                         "quick_doors"
8460   },
8461   {
8462     TYPE_SWITCH,
8463     &setup.team_mode,                           "team_mode"
8464   },
8465   {
8466     TYPE_SWITCH,
8467     &setup.handicap,                            "handicap"
8468   },
8469   {
8470     TYPE_SWITCH,
8471     &setup.skip_levels,                         "skip_levels"
8472   },
8473   {
8474     TYPE_SWITCH,
8475     &setup.increment_levels,                    "increment_levels"
8476   },
8477   {
8478     TYPE_SWITCH,
8479     &setup.auto_play_next_level,                "auto_play_next_level"
8480   },
8481   {
8482     TYPE_SWITCH,
8483     &setup.skip_scores_after_game,              "skip_scores_after_game"
8484   },
8485   {
8486     TYPE_SWITCH,
8487     &setup.time_limit,                          "time_limit"
8488   },
8489   {
8490     TYPE_SWITCH,
8491     &setup.fullscreen,                          "fullscreen"
8492   },
8493   {
8494     TYPE_INTEGER,
8495     &setup.window_scaling_percent,              "window_scaling_percent"
8496   },
8497   {
8498     TYPE_STRING,
8499     &setup.window_scaling_quality,              "window_scaling_quality"
8500   },
8501   {
8502     TYPE_STRING,
8503     &setup.screen_rendering_mode,               "screen_rendering_mode"
8504   },
8505   {
8506     TYPE_STRING,
8507     &setup.vsync_mode,                          "vsync_mode"
8508   },
8509   {
8510     TYPE_SWITCH,
8511     &setup.ask_on_escape,                       "ask_on_escape"
8512   },
8513   {
8514     TYPE_SWITCH,
8515     &setup.ask_on_escape_editor,                "ask_on_escape_editor"
8516   },
8517   {
8518     TYPE_SWITCH,
8519     &setup.ask_on_game_over,                    "ask_on_game_over"
8520   },
8521   {
8522     TYPE_SWITCH,
8523     &setup.quick_switch,                        "quick_player_switch"
8524   },
8525   {
8526     TYPE_SWITCH,
8527     &setup.input_on_focus,                      "input_on_focus"
8528   },
8529   {
8530     TYPE_SWITCH,
8531     &setup.prefer_aga_graphics,                 "prefer_aga_graphics"
8532   },
8533   {
8534     TYPE_SWITCH,
8535     &setup.prefer_lowpass_sounds,               "prefer_lowpass_sounds"
8536   },
8537   {
8538     TYPE_SWITCH,
8539     &setup.game_speed_extended,                 "game_speed_extended"
8540   },
8541   {
8542     TYPE_INTEGER,
8543     &setup.game_frame_delay,                    "game_frame_delay"
8544   },
8545   {
8546     TYPE_SWITCH,
8547     &setup.sp_show_border_elements,             "sp_show_border_elements"
8548   },
8549   {
8550     TYPE_SWITCH,
8551     &setup.small_game_graphics,                 "small_game_graphics"
8552   },
8553   {
8554     TYPE_SWITCH,
8555     &setup.show_snapshot_buttons,               "show_snapshot_buttons"
8556   },
8557   {
8558     TYPE_STRING,
8559     &setup.graphics_set,                        "graphics_set"
8560   },
8561   {
8562     TYPE_STRING,
8563     &setup.sounds_set,                          "sounds_set"
8564   },
8565   {
8566     TYPE_STRING,
8567     &setup.music_set,                           "music_set"
8568   },
8569   {
8570     TYPE_SWITCH3,
8571     &setup.override_level_graphics,             "override_level_graphics"
8572   },
8573   {
8574     TYPE_SWITCH3,
8575     &setup.override_level_sounds,               "override_level_sounds"
8576   },
8577   {
8578     TYPE_SWITCH3,
8579     &setup.override_level_music,                "override_level_music"
8580   },
8581   {
8582     TYPE_INTEGER,
8583     &setup.volume_simple,                       "volume_simple"
8584   },
8585   {
8586     TYPE_INTEGER,
8587     &setup.volume_loops,                        "volume_loops"
8588   },
8589   {
8590     TYPE_INTEGER,
8591     &setup.volume_music,                        "volume_music"
8592   },
8593   {
8594     TYPE_SWITCH,
8595     &setup.network_mode,                        "network_mode"
8596   },
8597   {
8598     TYPE_PLAYER,
8599     &setup.network_player_nr,                   "network_player"
8600   },
8601   {
8602     TYPE_STRING,
8603     &setup.network_server_hostname,             "network_server_hostname"
8604   },
8605   {
8606     TYPE_STRING,
8607     &setup.touch.control_type,                  "touch.control_type"
8608   },
8609   {
8610     TYPE_INTEGER,
8611     &setup.touch.move_distance,                 "touch.move_distance"
8612   },
8613   {
8614     TYPE_INTEGER,
8615     &setup.touch.drop_distance,                 "touch.drop_distance"
8616   },
8617   {
8618     TYPE_INTEGER,
8619     &setup.touch.transparency,                  "touch.transparency"
8620   },
8621   {
8622     TYPE_INTEGER,
8623     &setup.touch.draw_outlined,                 "touch.draw_outlined"
8624   },
8625   {
8626     TYPE_INTEGER,
8627     &setup.touch.draw_pressed,                  "touch.draw_pressed"
8628   },
8629   {
8630     TYPE_INTEGER,
8631     &setup.touch.grid_xsize[0],                 "touch.virtual_buttons.0.xsize"
8632   },
8633   {
8634     TYPE_INTEGER,
8635     &setup.touch.grid_ysize[0],                 "touch.virtual_buttons.0.ysize"
8636   },
8637   {
8638     TYPE_INTEGER,
8639     &setup.touch.grid_xsize[1],                 "touch.virtual_buttons.1.xsize"
8640   },
8641   {
8642     TYPE_INTEGER,
8643     &setup.touch.grid_ysize[1],                 "touch.virtual_buttons.1.ysize"
8644   },
8645 };
8646
8647 static struct TokenInfo auto_setup_tokens[] =
8648 {
8649   {
8650     TYPE_INTEGER,
8651     &setup.auto_setup.editor_zoom_tilesize,     "editor.zoom_tilesize"
8652   },
8653 };
8654
8655 static struct TokenInfo editor_setup_tokens[] =
8656 {
8657   {
8658     TYPE_SWITCH,
8659     &setup.editor.el_classic,                   "editor.el_classic"
8660   },
8661   {
8662     TYPE_SWITCH,
8663     &setup.editor.el_custom,                    "editor.el_custom"
8664   },
8665   {
8666     TYPE_SWITCH,
8667     &setup.editor.el_user_defined,              "editor.el_user_defined"
8668   },
8669   {
8670     TYPE_SWITCH,
8671     &setup.editor.el_dynamic,                   "editor.el_dynamic"
8672   },
8673   {
8674     TYPE_SWITCH,
8675     &setup.editor.el_headlines,                 "editor.el_headlines"
8676   },
8677   {
8678     TYPE_SWITCH,
8679     &setup.editor.show_element_token,           "editor.show_element_token"
8680   },
8681 };
8682
8683 static struct TokenInfo editor_cascade_setup_tokens[] =
8684 {
8685   {
8686     TYPE_SWITCH,
8687     &setup.editor_cascade.el_bd,                "editor.cascade.el_bd"
8688   },
8689   {
8690     TYPE_SWITCH,
8691     &setup.editor_cascade.el_em,                "editor.cascade.el_em"
8692   },
8693   {
8694     TYPE_SWITCH,
8695     &setup.editor_cascade.el_emc,               "editor.cascade.el_emc"
8696   },
8697   {
8698     TYPE_SWITCH,
8699     &setup.editor_cascade.el_rnd,               "editor.cascade.el_rnd"
8700   },
8701   {
8702     TYPE_SWITCH,
8703     &setup.editor_cascade.el_sb,                "editor.cascade.el_sb"
8704   },
8705   {
8706     TYPE_SWITCH,
8707     &setup.editor_cascade.el_sp,                "editor.cascade.el_sp"
8708   },
8709   {
8710     TYPE_SWITCH,
8711     &setup.editor_cascade.el_dc,                "editor.cascade.el_dc"
8712   },
8713   {
8714     TYPE_SWITCH,
8715     &setup.editor_cascade.el_dx,                "editor.cascade.el_dx"
8716   },
8717   {
8718     TYPE_SWITCH,
8719     &setup.editor_cascade.el_mm,                "editor.cascade.el_mm"
8720   },
8721   {
8722     TYPE_SWITCH,
8723     &setup.editor_cascade.el_df,                "editor.cascade.el_df"
8724   },
8725   {
8726     TYPE_SWITCH,
8727     &setup.editor_cascade.el_chars,             "editor.cascade.el_chars"
8728   },
8729   {
8730     TYPE_SWITCH,
8731     &setup.editor_cascade.el_steel_chars,       "editor.cascade.el_steel_chars"
8732   },
8733   {
8734     TYPE_SWITCH,
8735     &setup.editor_cascade.el_ce,                "editor.cascade.el_ce"
8736   },
8737   {
8738     TYPE_SWITCH,
8739     &setup.editor_cascade.el_ge,                "editor.cascade.el_ge"
8740   },
8741   {
8742     TYPE_SWITCH,
8743     &setup.editor_cascade.el_ref,               "editor.cascade.el_ref"
8744   },
8745   {
8746     TYPE_SWITCH,
8747     &setup.editor_cascade.el_user,              "editor.cascade.el_user"
8748   },
8749   {
8750     TYPE_SWITCH,
8751     &setup.editor_cascade.el_dynamic,           "editor.cascade.el_dynamic"
8752   },
8753 };
8754
8755 static struct TokenInfo shortcut_setup_tokens[] =
8756 {
8757   {
8758     TYPE_KEY_X11,
8759     &setup.shortcut.save_game,                  "shortcut.save_game"
8760   },
8761   {
8762     TYPE_KEY_X11,
8763     &setup.shortcut.load_game,                  "shortcut.load_game"
8764   },
8765   {
8766     TYPE_KEY_X11,
8767     &setup.shortcut.toggle_pause,               "shortcut.toggle_pause"
8768   },
8769   {
8770     TYPE_KEY_X11,
8771     &setup.shortcut.focus_player[0],            "shortcut.focus_player_1"
8772   },
8773   {
8774     TYPE_KEY_X11,
8775     &setup.shortcut.focus_player[1],            "shortcut.focus_player_2"
8776   },
8777   {
8778     TYPE_KEY_X11,
8779     &setup.shortcut.focus_player[2],            "shortcut.focus_player_3"
8780   },
8781   {
8782     TYPE_KEY_X11,
8783     &setup.shortcut.focus_player[3],            "shortcut.focus_player_4"
8784   },
8785   {
8786     TYPE_KEY_X11,
8787     &setup.shortcut.focus_player_all,           "shortcut.focus_player_all"
8788   },
8789   {
8790     TYPE_KEY_X11,
8791     &setup.shortcut.tape_eject,                 "shortcut.tape_eject"
8792   },
8793   {
8794     TYPE_KEY_X11,
8795     &setup.shortcut.tape_extra,                 "shortcut.tape_extra"
8796   },
8797   {
8798     TYPE_KEY_X11,
8799     &setup.shortcut.tape_stop,                  "shortcut.tape_stop"
8800   },
8801   {
8802     TYPE_KEY_X11,
8803     &setup.shortcut.tape_pause,                 "shortcut.tape_pause"
8804   },
8805   {
8806     TYPE_KEY_X11,
8807     &setup.shortcut.tape_record,                "shortcut.tape_record"
8808   },
8809   {
8810     TYPE_KEY_X11,
8811     &setup.shortcut.tape_play,                  "shortcut.tape_play"
8812   },
8813   {
8814     TYPE_KEY_X11,
8815     &setup.shortcut.sound_simple,               "shortcut.sound_simple"
8816   },
8817   {
8818     TYPE_KEY_X11,
8819     &setup.shortcut.sound_loops,                "shortcut.sound_loops"
8820   },
8821   {
8822     TYPE_KEY_X11,
8823     &setup.shortcut.sound_music,                "shortcut.sound_music"
8824   },
8825   {
8826     TYPE_KEY_X11,
8827     &setup.shortcut.snap_left,                  "shortcut.snap_left"
8828   },
8829   {
8830     TYPE_KEY_X11,
8831     &setup.shortcut.snap_right,                 "shortcut.snap_right"
8832   },
8833   {
8834     TYPE_KEY_X11,
8835     &setup.shortcut.snap_up,                    "shortcut.snap_up"
8836   },
8837   {
8838     TYPE_KEY_X11,
8839     &setup.shortcut.snap_down,                  "shortcut.snap_down"
8840   },
8841 };
8842
8843 static struct SetupInputInfo setup_input;
8844 static struct TokenInfo player_setup_tokens[] =
8845 {
8846   {
8847     TYPE_BOOLEAN,
8848     &setup_input.use_joystick,                  ".use_joystick"
8849   },
8850   {
8851     TYPE_STRING,
8852     &setup_input.joy.device_name,               ".joy.device_name"
8853   },
8854   {
8855     TYPE_INTEGER,
8856     &setup_input.joy.xleft,                     ".joy.xleft"
8857   },
8858   {
8859     TYPE_INTEGER,
8860     &setup_input.joy.xmiddle,                   ".joy.xmiddle"
8861   },
8862   {
8863     TYPE_INTEGER,
8864     &setup_input.joy.xright,                    ".joy.xright"
8865   },
8866   {
8867     TYPE_INTEGER,
8868     &setup_input.joy.yupper,                    ".joy.yupper"
8869   },
8870   {
8871     TYPE_INTEGER,
8872     &setup_input.joy.ymiddle,                   ".joy.ymiddle"
8873   },
8874   {
8875     TYPE_INTEGER,
8876     &setup_input.joy.ylower,                    ".joy.ylower"
8877   },
8878   {
8879     TYPE_INTEGER,
8880     &setup_input.joy.snap,                      ".joy.snap_field"
8881   },
8882   {
8883     TYPE_INTEGER,
8884     &setup_input.joy.drop,                      ".joy.place_bomb"
8885   },
8886   {
8887     TYPE_KEY_X11,
8888     &setup_input.key.left,                      ".key.move_left"
8889   },
8890   {
8891     TYPE_KEY_X11,
8892     &setup_input.key.right,                     ".key.move_right"
8893   },
8894   {
8895     TYPE_KEY_X11,
8896     &setup_input.key.up,                        ".key.move_up"
8897   },
8898   {
8899     TYPE_KEY_X11,
8900     &setup_input.key.down,                      ".key.move_down"
8901   },
8902   {
8903     TYPE_KEY_X11,
8904     &setup_input.key.snap,                      ".key.snap_field"
8905   },
8906   {
8907     TYPE_KEY_X11,
8908     &setup_input.key.drop,                      ".key.place_bomb"
8909   },
8910 };
8911
8912 static struct TokenInfo system_setup_tokens[] =
8913 {
8914   {
8915     TYPE_STRING,
8916     &setup.system.sdl_renderdriver,             "system.sdl_renderdriver"
8917   },
8918   {
8919     TYPE_STRING,
8920     &setup.system.sdl_videodriver,              "system.sdl_videodriver"
8921   },
8922   {
8923     TYPE_STRING,
8924     &setup.system.sdl_audiodriver,              "system.sdl_audiodriver"
8925   },
8926   {
8927     TYPE_INTEGER,
8928     &setup.system.audio_fragment_size,          "system.audio_fragment_size"
8929   },
8930 };
8931
8932 static struct TokenInfo internal_setup_tokens[] =
8933 {
8934   {
8935     TYPE_STRING,
8936     &setup.internal.program_title,              "program_title"
8937   },
8938   {
8939     TYPE_STRING,
8940     &setup.internal.program_version,            "program_version"
8941   },
8942   {
8943     TYPE_STRING,
8944     &setup.internal.program_author,             "program_author"
8945   },
8946   {
8947     TYPE_STRING,
8948     &setup.internal.program_email,              "program_email"
8949   },
8950   {
8951     TYPE_STRING,
8952     &setup.internal.program_website,            "program_website"
8953   },
8954   {
8955     TYPE_STRING,
8956     &setup.internal.program_copyright,          "program_copyright"
8957   },
8958   {
8959     TYPE_STRING,
8960     &setup.internal.program_company,            "program_company"
8961   },
8962   {
8963     TYPE_STRING,
8964     &setup.internal.program_icon_file,          "program_icon_file"
8965   },
8966   {
8967     TYPE_STRING,
8968     &setup.internal.default_graphics_set,       "default_graphics_set"
8969   },
8970   {
8971     TYPE_STRING,
8972     &setup.internal.default_sounds_set,         "default_sounds_set"
8973   },
8974   {
8975     TYPE_STRING,
8976     &setup.internal.default_music_set,          "default_music_set"
8977   },
8978   {
8979     TYPE_STRING,
8980     &setup.internal.fallback_graphics_file,     "fallback_graphics_file"
8981   },
8982   {
8983     TYPE_STRING,
8984     &setup.internal.fallback_sounds_file,       "fallback_sounds_file"
8985   },
8986   {
8987     TYPE_STRING,
8988     &setup.internal.fallback_music_file,        "fallback_music_file"
8989   },
8990   {
8991     TYPE_STRING,
8992     &setup.internal.default_level_series,       "default_level_series"
8993   },
8994   {
8995     TYPE_INTEGER,
8996     &setup.internal.default_window_width,       "default_window_width"
8997   },
8998   {
8999     TYPE_INTEGER,
9000     &setup.internal.default_window_height,      "default_window_height"
9001   },
9002   {
9003     TYPE_BOOLEAN,
9004     &setup.internal.choose_from_top_leveldir,   "choose_from_top_leveldir"
9005   },
9006   {
9007     TYPE_BOOLEAN,
9008     &setup.internal.show_scaling_in_title,      "show_scaling_in_title"
9009   },
9010   {
9011     TYPE_BOOLEAN,
9012     &setup.internal.create_user_levelset,       "create_user_levelset"
9013   },
9014   {
9015     TYPE_BOOLEAN,
9016     &setup.internal.menu_game,                  "menu_game"
9017   },
9018   {
9019     TYPE_BOOLEAN,
9020     &setup.internal.menu_editor,                "menu_editor"
9021   },
9022   {
9023     TYPE_BOOLEAN,
9024     &setup.internal.menu_graphics,              "menu_graphics"
9025   },
9026   {
9027     TYPE_BOOLEAN,
9028     &setup.internal.menu_sound,                 "menu_sound"
9029   },
9030   {
9031     TYPE_BOOLEAN,
9032     &setup.internal.menu_artwork,               "menu_artwork"
9033   },
9034   {
9035     TYPE_BOOLEAN,
9036     &setup.internal.menu_input,                 "menu_input"
9037   },
9038   {
9039     TYPE_BOOLEAN,
9040     &setup.internal.menu_touch,                 "menu_touch"
9041   },
9042   {
9043     TYPE_BOOLEAN,
9044     &setup.internal.menu_shortcuts,             "menu_shortcuts"
9045   },
9046   {
9047     TYPE_BOOLEAN,
9048     &setup.internal.menu_exit,                  "menu_exit"
9049   },
9050   {
9051     TYPE_BOOLEAN,
9052     &setup.internal.menu_save_and_exit,         "menu_save_and_exit"
9053   },
9054 };
9055
9056 static struct TokenInfo debug_setup_tokens[] =
9057 {
9058   {
9059     TYPE_INTEGER,
9060     &setup.debug.frame_delay[0],                "debug.frame_delay_0"
9061   },
9062   {
9063     TYPE_INTEGER,
9064     &setup.debug.frame_delay[1],                "debug.frame_delay_1"
9065   },
9066   {
9067     TYPE_INTEGER,
9068     &setup.debug.frame_delay[2],                "debug.frame_delay_2"
9069   },
9070   {
9071     TYPE_INTEGER,
9072     &setup.debug.frame_delay[3],                "debug.frame_delay_3"
9073   },
9074   {
9075     TYPE_INTEGER,
9076     &setup.debug.frame_delay[4],                "debug.frame_delay_4"
9077   },
9078   {
9079     TYPE_INTEGER,
9080     &setup.debug.frame_delay[5],                "debug.frame_delay_5"
9081   },
9082   {
9083     TYPE_INTEGER,
9084     &setup.debug.frame_delay[6],                "debug.frame_delay_6"
9085   },
9086   {
9087     TYPE_INTEGER,
9088     &setup.debug.frame_delay[7],                "debug.frame_delay_7"
9089   },
9090   {
9091     TYPE_INTEGER,
9092     &setup.debug.frame_delay[8],                "debug.frame_delay_8"
9093   },
9094   {
9095     TYPE_INTEGER,
9096     &setup.debug.frame_delay[9],                "debug.frame_delay_9"
9097   },
9098   {
9099     TYPE_KEY_X11,
9100     &setup.debug.frame_delay_key[0],            "debug.key.frame_delay_0"
9101   },
9102   {
9103     TYPE_KEY_X11,
9104     &setup.debug.frame_delay_key[1],            "debug.key.frame_delay_1"
9105   },
9106   {
9107     TYPE_KEY_X11,
9108     &setup.debug.frame_delay_key[2],            "debug.key.frame_delay_2"
9109   },
9110   {
9111     TYPE_KEY_X11,
9112     &setup.debug.frame_delay_key[3],            "debug.key.frame_delay_3"
9113   },
9114   {
9115     TYPE_KEY_X11,
9116     &setup.debug.frame_delay_key[4],            "debug.key.frame_delay_4"
9117   },
9118   {
9119     TYPE_KEY_X11,
9120     &setup.debug.frame_delay_key[5],            "debug.key.frame_delay_5"
9121   },
9122   {
9123     TYPE_KEY_X11,
9124     &setup.debug.frame_delay_key[6],            "debug.key.frame_delay_6"
9125   },
9126   {
9127     TYPE_KEY_X11,
9128     &setup.debug.frame_delay_key[7],            "debug.key.frame_delay_7"
9129   },
9130   {
9131     TYPE_KEY_X11,
9132     &setup.debug.frame_delay_key[8],            "debug.key.frame_delay_8"
9133   },
9134   {
9135     TYPE_KEY_X11,
9136     &setup.debug.frame_delay_key[9],            "debug.key.frame_delay_9"
9137   },
9138   {
9139     TYPE_BOOLEAN,
9140     &setup.debug.frame_delay_use_mod_key,       "debug.frame_delay.use_mod_key"},
9141   {
9142     TYPE_BOOLEAN,
9143     &setup.debug.frame_delay_game_only,         "debug.frame_delay.game_only"
9144   },
9145   {
9146     TYPE_BOOLEAN,
9147     &setup.debug.show_frames_per_second,        "debug.show_frames_per_second"
9148   },
9149 };
9150
9151 static struct TokenInfo options_setup_tokens[] =
9152 {
9153   {
9154     TYPE_BOOLEAN,
9155     &setup.options.verbose,                     "options.verbose"
9156   },
9157 };
9158
9159 static char *get_corrected_login_name(char *login_name)
9160 {
9161   // needed because player name must be a fixed length string
9162   char *login_name_new = checked_malloc(MAX_PLAYER_NAME_LEN + 1);
9163
9164   strncpy(login_name_new, login_name, MAX_PLAYER_NAME_LEN);
9165   login_name_new[MAX_PLAYER_NAME_LEN] = '\0';
9166
9167   if (strlen(login_name) > MAX_PLAYER_NAME_LEN)         // name has been cut
9168     if (strchr(login_name_new, ' '))
9169       *strchr(login_name_new, ' ') = '\0';
9170
9171   return login_name_new;
9172 }
9173
9174 static void setSetupInfoToDefaults(struct SetupInfo *si)
9175 {
9176   int i;
9177
9178   si->player_name = get_corrected_login_name(getLoginName());
9179
9180   si->sound = TRUE;
9181   si->sound_loops = TRUE;
9182   si->sound_music = TRUE;
9183   si->sound_simple = TRUE;
9184   si->toons = TRUE;
9185   si->scroll_delay = TRUE;
9186   si->forced_scroll_delay = FALSE;
9187   si->scroll_delay_value = STD_SCROLL_DELAY;
9188   si->engine_snapshot_mode = getStringCopy(STR_SNAPSHOT_MODE_DEFAULT);
9189   si->engine_snapshot_memory = SNAPSHOT_MEMORY_DEFAULT;
9190   si->fade_screens = TRUE;
9191   si->autorecord = TRUE;
9192   si->show_titlescreen = TRUE;
9193   si->quick_doors = FALSE;
9194   si->team_mode = FALSE;
9195   si->handicap = TRUE;
9196   si->skip_levels = TRUE;
9197   si->increment_levels = TRUE;
9198   si->auto_play_next_level = TRUE;
9199   si->skip_scores_after_game = FALSE;
9200   si->time_limit = TRUE;
9201   si->fullscreen = FALSE;
9202   si->window_scaling_percent = STD_WINDOW_SCALING_PERCENT;
9203   si->window_scaling_quality = getStringCopy(SCALING_QUALITY_DEFAULT);
9204   si->screen_rendering_mode = getStringCopy(STR_SPECIAL_RENDERING_DEFAULT);
9205   si->vsync_mode = getStringCopy(STR_VSYNC_MODE_DEFAULT);
9206   si->ask_on_escape = TRUE;
9207   si->ask_on_escape_editor = TRUE;
9208   si->ask_on_game_over = TRUE;
9209   si->quick_switch = FALSE;
9210   si->input_on_focus = FALSE;
9211   si->prefer_aga_graphics = TRUE;
9212   si->prefer_lowpass_sounds = FALSE;
9213   si->game_speed_extended = FALSE;
9214   si->game_frame_delay = GAME_FRAME_DELAY;
9215   si->sp_show_border_elements = FALSE;
9216   si->small_game_graphics = FALSE;
9217   si->show_snapshot_buttons = FALSE;
9218
9219   si->graphics_set = getStringCopy(GFX_CLASSIC_SUBDIR);
9220   si->sounds_set   = getStringCopy(SND_CLASSIC_SUBDIR);
9221   si->music_set    = getStringCopy(MUS_CLASSIC_SUBDIR);
9222
9223   si->override_level_graphics = FALSE;
9224   si->override_level_sounds = FALSE;
9225   si->override_level_music = FALSE;
9226
9227   si->volume_simple = 100;              // percent
9228   si->volume_loops = 100;               // percent
9229   si->volume_music = 100;               // percent
9230
9231   si->network_mode = FALSE;
9232   si->network_player_nr = 0;            // first player
9233   si->network_server_hostname = getStringCopy(STR_NETWORK_AUTO_DETECT);
9234
9235   si->touch.control_type = getStringCopy(TOUCH_CONTROL_DEFAULT);
9236   si->touch.move_distance = TOUCH_MOVE_DISTANCE_DEFAULT;        // percent
9237   si->touch.drop_distance = TOUCH_DROP_DISTANCE_DEFAULT;        // percent
9238   si->touch.transparency = TOUCH_TRANSPARENCY_DEFAULT;          // percent
9239   si->touch.draw_outlined = TRUE;
9240   si->touch.draw_pressed = TRUE;
9241
9242   for (i = 0; i < 2; i++)
9243   {
9244     char *default_grid_button[6][2] =
9245     {
9246       { "      ", "  ^^  " },
9247       { "      ", "  ^^  " },
9248       { "      ", "<<  >>" },
9249       { "      ", "<<  >>" },
9250       { "111222", "  vv  " },
9251       { "111222", "  vv  " }
9252     };
9253     int grid_xsize = DEFAULT_GRID_XSIZE(i);
9254     int grid_ysize = DEFAULT_GRID_YSIZE(i);
9255     int min_xsize = MIN(6, grid_xsize);
9256     int min_ysize = MIN(6, grid_ysize);
9257     int startx = grid_xsize - min_xsize;
9258     int starty = grid_ysize - min_ysize;
9259     int x, y;
9260
9261     // virtual buttons grid can only be set to defaults if video is initialized
9262     // (this will be repeated if virtual buttons are not loaded from setup file)
9263     if (video.initialized)
9264     {
9265       si->touch.grid_xsize[i] = grid_xsize;
9266       si->touch.grid_ysize[i] = grid_ysize;
9267     }
9268     else
9269     {
9270       si->touch.grid_xsize[i] = -1;
9271       si->touch.grid_ysize[i] = -1;
9272     }
9273
9274     for (x = 0; x < MAX_GRID_XSIZE; x++)
9275       for (y = 0; y < MAX_GRID_YSIZE; y++)
9276         si->touch.grid_button[i][x][y] = CHAR_GRID_BUTTON_NONE;
9277
9278     for (x = 0; x < min_xsize; x++)
9279       for (y = 0; y < min_ysize; y++)
9280         si->touch.grid_button[i][x][starty + y] =
9281           default_grid_button[y][0][x];
9282
9283     for (x = 0; x < min_xsize; x++)
9284       for (y = 0; y < min_ysize; y++)
9285         si->touch.grid_button[i][startx + x][starty + y] =
9286           default_grid_button[y][1][x];
9287   }
9288
9289   si->touch.grid_initialized            = video.initialized;
9290
9291   si->editor.el_boulderdash             = TRUE;
9292   si->editor.el_emerald_mine            = TRUE;
9293   si->editor.el_emerald_mine_club       = TRUE;
9294   si->editor.el_more                    = TRUE;
9295   si->editor.el_sokoban                 = TRUE;
9296   si->editor.el_supaplex                = TRUE;
9297   si->editor.el_diamond_caves           = TRUE;
9298   si->editor.el_dx_boulderdash          = TRUE;
9299
9300   si->editor.el_mirror_magic            = TRUE;
9301   si->editor.el_deflektor               = TRUE;
9302
9303   si->editor.el_chars                   = TRUE;
9304   si->editor.el_steel_chars             = TRUE;
9305
9306   si->editor.el_classic                 = TRUE;
9307   si->editor.el_custom                  = TRUE;
9308
9309   si->editor.el_user_defined            = FALSE;
9310   si->editor.el_dynamic                 = TRUE;
9311
9312   si->editor.el_headlines               = TRUE;
9313
9314   si->editor.show_element_token         = FALSE;
9315
9316   si->editor.use_template_for_new_levels = TRUE;
9317
9318   si->shortcut.save_game        = DEFAULT_KEY_SAVE_GAME;
9319   si->shortcut.load_game        = DEFAULT_KEY_LOAD_GAME;
9320   si->shortcut.toggle_pause     = DEFAULT_KEY_TOGGLE_PAUSE;
9321
9322   si->shortcut.focus_player[0]  = DEFAULT_KEY_FOCUS_PLAYER_1;
9323   si->shortcut.focus_player[1]  = DEFAULT_KEY_FOCUS_PLAYER_2;
9324   si->shortcut.focus_player[2]  = DEFAULT_KEY_FOCUS_PLAYER_3;
9325   si->shortcut.focus_player[3]  = DEFAULT_KEY_FOCUS_PLAYER_4;
9326   si->shortcut.focus_player_all = DEFAULT_KEY_FOCUS_PLAYER_ALL;
9327
9328   si->shortcut.tape_eject       = DEFAULT_KEY_TAPE_EJECT;
9329   si->shortcut.tape_extra       = DEFAULT_KEY_TAPE_EXTRA;
9330   si->shortcut.tape_stop        = DEFAULT_KEY_TAPE_STOP;
9331   si->shortcut.tape_pause       = DEFAULT_KEY_TAPE_PAUSE;
9332   si->shortcut.tape_record      = DEFAULT_KEY_TAPE_RECORD;
9333   si->shortcut.tape_play        = DEFAULT_KEY_TAPE_PLAY;
9334
9335   si->shortcut.sound_simple     = DEFAULT_KEY_SOUND_SIMPLE;
9336   si->shortcut.sound_loops      = DEFAULT_KEY_SOUND_LOOPS;
9337   si->shortcut.sound_music      = DEFAULT_KEY_SOUND_MUSIC;
9338
9339   si->shortcut.snap_left        = DEFAULT_KEY_SNAP_LEFT;
9340   si->shortcut.snap_right       = DEFAULT_KEY_SNAP_RIGHT;
9341   si->shortcut.snap_up          = DEFAULT_KEY_SNAP_UP;
9342   si->shortcut.snap_down        = DEFAULT_KEY_SNAP_DOWN;
9343
9344   for (i = 0; i < MAX_PLAYERS; i++)
9345   {
9346     si->input[i].use_joystick = FALSE;
9347     si->input[i].joy.device_name=getStringCopy(getDeviceNameFromJoystickNr(i));
9348     si->input[i].joy.xleft   = JOYSTICK_XLEFT;
9349     si->input[i].joy.xmiddle = JOYSTICK_XMIDDLE;
9350     si->input[i].joy.xright  = JOYSTICK_XRIGHT;
9351     si->input[i].joy.yupper  = JOYSTICK_YUPPER;
9352     si->input[i].joy.ymiddle = JOYSTICK_YMIDDLE;
9353     si->input[i].joy.ylower  = JOYSTICK_YLOWER;
9354     si->input[i].joy.snap  = (i == 0 ? JOY_BUTTON_1 : 0);
9355     si->input[i].joy.drop  = (i == 0 ? JOY_BUTTON_2 : 0);
9356     si->input[i].key.left  = (i == 0 ? DEFAULT_KEY_LEFT  : KSYM_UNDEFINED);
9357     si->input[i].key.right = (i == 0 ? DEFAULT_KEY_RIGHT : KSYM_UNDEFINED);
9358     si->input[i].key.up    = (i == 0 ? DEFAULT_KEY_UP    : KSYM_UNDEFINED);
9359     si->input[i].key.down  = (i == 0 ? DEFAULT_KEY_DOWN  : KSYM_UNDEFINED);
9360     si->input[i].key.snap  = (i == 0 ? DEFAULT_KEY_SNAP  : KSYM_UNDEFINED);
9361     si->input[i].key.drop  = (i == 0 ? DEFAULT_KEY_DROP  : KSYM_UNDEFINED);
9362   }
9363
9364   si->system.sdl_renderdriver = getStringCopy(ARG_DEFAULT);
9365   si->system.sdl_videodriver = getStringCopy(ARG_DEFAULT);
9366   si->system.sdl_audiodriver = getStringCopy(ARG_DEFAULT);
9367   si->system.audio_fragment_size = DEFAULT_AUDIO_FRAGMENT_SIZE;
9368
9369   si->internal.program_title     = getStringCopy(PROGRAM_TITLE_STRING);
9370   si->internal.program_version   = getStringCopy(getProgramRealVersionString());
9371   si->internal.program_author    = getStringCopy(PROGRAM_AUTHOR_STRING);
9372   si->internal.program_email     = getStringCopy(PROGRAM_EMAIL_STRING);
9373   si->internal.program_website   = getStringCopy(PROGRAM_WEBSITE_STRING);
9374   si->internal.program_copyright = getStringCopy(PROGRAM_COPYRIGHT_STRING);
9375   si->internal.program_company   = getStringCopy(PROGRAM_COMPANY_STRING);
9376
9377   si->internal.program_icon_file = getStringCopy(PROGRAM_ICON_FILENAME);
9378
9379   si->internal.default_graphics_set = getStringCopy(GFX_CLASSIC_SUBDIR);
9380   si->internal.default_sounds_set   = getStringCopy(SND_CLASSIC_SUBDIR);
9381   si->internal.default_music_set    = getStringCopy(MUS_CLASSIC_SUBDIR);
9382
9383   si->internal.fallback_graphics_file = getStringCopy(UNDEFINED_FILENAME);
9384   si->internal.fallback_sounds_file   = getStringCopy(UNDEFINED_FILENAME);
9385   si->internal.fallback_music_file    = getStringCopy(UNDEFINED_FILENAME);
9386
9387   si->internal.default_level_series = getStringCopy(UNDEFINED_LEVELSET);
9388   si->internal.choose_from_top_leveldir = FALSE;
9389   si->internal.show_scaling_in_title = TRUE;
9390   si->internal.create_user_levelset = TRUE;
9391
9392   si->internal.default_window_width  = WIN_XSIZE_DEFAULT;
9393   si->internal.default_window_height = WIN_YSIZE_DEFAULT;
9394
9395   si->debug.frame_delay[0] = DEFAULT_FRAME_DELAY_0;
9396   si->debug.frame_delay[1] = DEFAULT_FRAME_DELAY_1;
9397   si->debug.frame_delay[2] = DEFAULT_FRAME_DELAY_2;
9398   si->debug.frame_delay[3] = DEFAULT_FRAME_DELAY_3;
9399   si->debug.frame_delay[4] = DEFAULT_FRAME_DELAY_4;
9400   si->debug.frame_delay[5] = DEFAULT_FRAME_DELAY_5;
9401   si->debug.frame_delay[6] = DEFAULT_FRAME_DELAY_6;
9402   si->debug.frame_delay[7] = DEFAULT_FRAME_DELAY_7;
9403   si->debug.frame_delay[8] = DEFAULT_FRAME_DELAY_8;
9404   si->debug.frame_delay[9] = DEFAULT_FRAME_DELAY_9;
9405
9406   si->debug.frame_delay_key[0] = DEFAULT_KEY_FRAME_DELAY_0;
9407   si->debug.frame_delay_key[1] = DEFAULT_KEY_FRAME_DELAY_1;
9408   si->debug.frame_delay_key[2] = DEFAULT_KEY_FRAME_DELAY_2;
9409   si->debug.frame_delay_key[3] = DEFAULT_KEY_FRAME_DELAY_3;
9410   si->debug.frame_delay_key[4] = DEFAULT_KEY_FRAME_DELAY_4;
9411   si->debug.frame_delay_key[5] = DEFAULT_KEY_FRAME_DELAY_5;
9412   si->debug.frame_delay_key[6] = DEFAULT_KEY_FRAME_DELAY_6;
9413   si->debug.frame_delay_key[7] = DEFAULT_KEY_FRAME_DELAY_7;
9414   si->debug.frame_delay_key[8] = DEFAULT_KEY_FRAME_DELAY_8;
9415   si->debug.frame_delay_key[9] = DEFAULT_KEY_FRAME_DELAY_9;
9416
9417   si->debug.frame_delay_use_mod_key = DEFAULT_FRAME_DELAY_USE_MOD_KEY;
9418   si->debug.frame_delay_game_only   = DEFAULT_FRAME_DELAY_GAME_ONLY;
9419
9420   si->debug.show_frames_per_second = FALSE;
9421
9422   si->options.verbose = FALSE;
9423
9424 #if defined(PLATFORM_ANDROID)
9425   si->fullscreen = TRUE;
9426 #endif
9427 }
9428
9429 static void setSetupInfoToDefaults_AutoSetup(struct SetupInfo *si)
9430 {
9431   si->auto_setup.editor_zoom_tilesize = MINI_TILESIZE;
9432 }
9433
9434 static void setSetupInfoToDefaults_EditorCascade(struct SetupInfo *si)
9435 {
9436   si->editor_cascade.el_bd              = TRUE;
9437   si->editor_cascade.el_em              = TRUE;
9438   si->editor_cascade.el_emc             = TRUE;
9439   si->editor_cascade.el_rnd             = TRUE;
9440   si->editor_cascade.el_sb              = TRUE;
9441   si->editor_cascade.el_sp              = TRUE;
9442   si->editor_cascade.el_dc              = TRUE;
9443   si->editor_cascade.el_dx              = TRUE;
9444
9445   si->editor_cascade.el_mm              = TRUE;
9446   si->editor_cascade.el_df              = TRUE;
9447
9448   si->editor_cascade.el_chars           = FALSE;
9449   si->editor_cascade.el_steel_chars     = FALSE;
9450   si->editor_cascade.el_ce              = FALSE;
9451   si->editor_cascade.el_ge              = FALSE;
9452   si->editor_cascade.el_ref             = FALSE;
9453   si->editor_cascade.el_user            = FALSE;
9454   si->editor_cascade.el_dynamic         = FALSE;
9455 }
9456
9457 #define MAX_HIDE_SETUP_TOKEN_SIZE               20
9458
9459 static char *getHideSetupToken(void *setup_value)
9460 {
9461   static char hide_setup_token[MAX_HIDE_SETUP_TOKEN_SIZE];
9462
9463   if (setup_value != NULL)
9464     snprintf(hide_setup_token, MAX_HIDE_SETUP_TOKEN_SIZE, "%p", setup_value);
9465
9466   return hide_setup_token;
9467 }
9468
9469 void setHideSetupEntry(void *setup_value)
9470 {
9471   char *hide_setup_token = getHideSetupToken(setup_value);
9472
9473   if (setup_value != NULL)
9474     setHashEntry(hide_setup_hash, hide_setup_token, "");
9475 }
9476
9477 boolean hideSetupEntry(void *setup_value)
9478 {
9479   char *hide_setup_token = getHideSetupToken(setup_value);
9480
9481   return (setup_value != NULL &&
9482           getHashEntry(hide_setup_hash, hide_setup_token) != NULL);
9483 }
9484
9485 static void setSetupInfoFromTokenText(SetupFileHash *setup_file_hash,
9486                                       struct TokenInfo *token_info,
9487                                       int token_nr, char *token_text)
9488 {
9489   char *token_hide_text = getStringCat2(token_text, ".hide");
9490   char *token_hide_value = getHashEntry(setup_file_hash, token_hide_text);
9491
9492   // set the value of this setup option in the setup option structure
9493   setSetupInfo(token_info, token_nr, getHashEntry(setup_file_hash, token_text));
9494
9495   // check if this setup option should be hidden in the setup menu
9496   if (token_hide_value != NULL && get_boolean_from_string(token_hide_value))
9497     setHideSetupEntry(token_info[token_nr].value);
9498 }
9499
9500 static void setSetupInfoFromTokenInfo(SetupFileHash *setup_file_hash,
9501                                       struct TokenInfo *token_info,
9502                                       int token_nr)
9503 {
9504   setSetupInfoFromTokenText(setup_file_hash, token_info, token_nr,
9505                             token_info[token_nr].text);
9506 }
9507
9508 static void decodeSetupFileHash(SetupFileHash *setup_file_hash)
9509 {
9510   int i, pnr;
9511
9512   if (!setup_file_hash)
9513     return;
9514
9515   if (hide_setup_hash == NULL)
9516     hide_setup_hash = newSetupFileHash();
9517
9518   for (i = 0; i < ARRAY_SIZE(global_setup_tokens); i++)
9519     setSetupInfoFromTokenInfo(setup_file_hash, global_setup_tokens, i);
9520
9521   setup.touch.grid_initialized = TRUE;
9522   for (i = 0; i < 2; i++)
9523   {
9524     int grid_xsize = setup.touch.grid_xsize[i];
9525     int grid_ysize = setup.touch.grid_ysize[i];
9526     int x, y;
9527
9528     // if virtual buttons are not loaded from setup file, repeat initializing
9529     // virtual buttons grid with default values later when video is initialized
9530     if (grid_xsize == -1 ||
9531         grid_ysize == -1)
9532     {
9533       setup.touch.grid_initialized = FALSE;
9534
9535       continue;
9536     }
9537
9538     for (y = 0; y < grid_ysize; y++)
9539     {
9540       char token_string[MAX_LINE_LEN];
9541
9542       sprintf(token_string, "touch.virtual_buttons.%d.%02d", i, y);
9543
9544       char *value_string = getHashEntry(setup_file_hash, token_string);
9545
9546       if (value_string == NULL)
9547         continue;
9548
9549       for (x = 0; x < grid_xsize; x++)
9550       {
9551         char c = value_string[x];
9552
9553         setup.touch.grid_button[i][x][y] =
9554           (c == '.' ? CHAR_GRID_BUTTON_NONE : c);
9555       }
9556     }
9557   }
9558
9559   for (i = 0; i < ARRAY_SIZE(editor_setup_tokens); i++)
9560     setSetupInfoFromTokenInfo(setup_file_hash, editor_setup_tokens, i);
9561
9562   for (i = 0; i < ARRAY_SIZE(shortcut_setup_tokens); i++)
9563     setSetupInfoFromTokenInfo(setup_file_hash, shortcut_setup_tokens, i);
9564
9565   for (pnr = 0; pnr < MAX_PLAYERS; pnr++)
9566   {
9567     char prefix[30];
9568
9569     sprintf(prefix, "%s%d", TOKEN_STR_PLAYER_PREFIX, pnr + 1);
9570
9571     setup_input = setup.input[pnr];
9572     for (i = 0; i < ARRAY_SIZE(player_setup_tokens); i++)
9573     {
9574       char full_token[100];
9575
9576       sprintf(full_token, "%s%s", prefix, player_setup_tokens[i].text);
9577       setSetupInfoFromTokenText(setup_file_hash, player_setup_tokens, i,
9578                                 full_token);
9579     }
9580     setup.input[pnr] = setup_input;
9581   }
9582
9583   for (i = 0; i < ARRAY_SIZE(system_setup_tokens); i++)
9584     setSetupInfoFromTokenInfo(setup_file_hash, system_setup_tokens, i);
9585
9586   for (i = 0; i < ARRAY_SIZE(internal_setup_tokens); i++)
9587     setSetupInfoFromTokenInfo(setup_file_hash, internal_setup_tokens, i);
9588
9589   for (i = 0; i < ARRAY_SIZE(debug_setup_tokens); i++)
9590     setSetupInfoFromTokenInfo(setup_file_hash, debug_setup_tokens, i);
9591
9592   for (i = 0; i < ARRAY_SIZE(options_setup_tokens); i++)
9593     setSetupInfoFromTokenInfo(setup_file_hash, options_setup_tokens, i);
9594
9595   setHideRelatedSetupEntries();
9596 }
9597
9598 static void decodeSetupFileHash_AutoSetup(SetupFileHash *setup_file_hash)
9599 {
9600   int i;
9601
9602   if (!setup_file_hash)
9603     return;
9604
9605   for (i = 0; i < ARRAY_SIZE(auto_setup_tokens); i++)
9606     setSetupInfo(auto_setup_tokens, i,
9607                  getHashEntry(setup_file_hash,
9608                               auto_setup_tokens[i].text));
9609 }
9610
9611 static void decodeSetupFileHash_EditorCascade(SetupFileHash *setup_file_hash)
9612 {
9613   int i;
9614
9615   if (!setup_file_hash)
9616     return;
9617
9618   for (i = 0; i < ARRAY_SIZE(editor_cascade_setup_tokens); i++)
9619     setSetupInfo(editor_cascade_setup_tokens, i,
9620                  getHashEntry(setup_file_hash,
9621                               editor_cascade_setup_tokens[i].text));
9622 }
9623
9624 void LoadSetupFromFilename(char *filename)
9625 {
9626   SetupFileHash *setup_file_hash = loadSetupFileHash(filename);
9627
9628   if (setup_file_hash)
9629   {
9630     decodeSetupFileHash(setup_file_hash);
9631
9632     freeSetupFileHash(setup_file_hash);
9633   }
9634   else
9635   {
9636     Debug("setup", "using default setup values");
9637   }
9638 }
9639
9640 static void LoadSetup_SpecialPostProcessing(void)
9641 {
9642   char *player_name_new;
9643
9644   // needed to work around problems with fixed length strings
9645   player_name_new = get_corrected_login_name(setup.player_name);
9646   free(setup.player_name);
9647   setup.player_name = player_name_new;
9648
9649   // "scroll_delay: on(3) / off(0)" was replaced by scroll delay value
9650   if (setup.scroll_delay == FALSE)
9651   {
9652     setup.scroll_delay_value = MIN_SCROLL_DELAY;
9653     setup.scroll_delay = TRUE;                  // now always "on"
9654   }
9655
9656   // make sure that scroll delay value stays inside valid range
9657   setup.scroll_delay_value =
9658     MIN(MAX(MIN_SCROLL_DELAY, setup.scroll_delay_value), MAX_SCROLL_DELAY);
9659 }
9660
9661 void LoadSetup(void)
9662 {
9663   char *filename;
9664
9665   // always start with reliable default values
9666   setSetupInfoToDefaults(&setup);
9667
9668   // try to load setup values from default setup file
9669   filename = getDefaultSetupFilename();
9670
9671   if (fileExists(filename))
9672     LoadSetupFromFilename(filename);
9673
9674   // try to load setup values from user setup file
9675   filename = getSetupFilename();
9676
9677   LoadSetupFromFilename(filename);
9678
9679   LoadSetup_SpecialPostProcessing();
9680 }
9681
9682 void LoadSetup_AutoSetup(void)
9683 {
9684   char *filename = getPath2(getSetupDir(), AUTOSETUP_FILENAME);
9685   SetupFileHash *setup_file_hash = NULL;
9686
9687   // always start with reliable default values
9688   setSetupInfoToDefaults_AutoSetup(&setup);
9689
9690   setup_file_hash = loadSetupFileHash(filename);
9691
9692   if (setup_file_hash)
9693   {
9694     decodeSetupFileHash_AutoSetup(setup_file_hash);
9695
9696     freeSetupFileHash(setup_file_hash);
9697   }
9698
9699   free(filename);
9700 }
9701
9702 void LoadSetup_EditorCascade(void)
9703 {
9704   char *filename = getPath2(getSetupDir(), EDITORCASCADE_FILENAME);
9705   SetupFileHash *setup_file_hash = NULL;
9706
9707   // always start with reliable default values
9708   setSetupInfoToDefaults_EditorCascade(&setup);
9709
9710   setup_file_hash = loadSetupFileHash(filename);
9711
9712   if (setup_file_hash)
9713   {
9714     decodeSetupFileHash_EditorCascade(setup_file_hash);
9715
9716     freeSetupFileHash(setup_file_hash);
9717   }
9718
9719   free(filename);
9720 }
9721
9722 static void addGameControllerMappingToHash(SetupFileHash *mappings_hash,
9723                                            char *mapping_line)
9724 {
9725   char mapping_guid[MAX_LINE_LEN];
9726   char *mapping_start, *mapping_end;
9727
9728   // get GUID from game controller mapping line: copy complete line
9729   strncpy(mapping_guid, mapping_line, MAX_LINE_LEN - 1);
9730   mapping_guid[MAX_LINE_LEN - 1] = '\0';
9731
9732   // get GUID from game controller mapping line: cut after GUID part
9733   mapping_start = strchr(mapping_guid, ',');
9734   if (mapping_start != NULL)
9735     *mapping_start = '\0';
9736
9737   // cut newline from game controller mapping line
9738   mapping_end = strchr(mapping_line, '\n');
9739   if (mapping_end != NULL)
9740     *mapping_end = '\0';
9741
9742   // add mapping entry to game controller mappings hash
9743   setHashEntry(mappings_hash, mapping_guid, mapping_line);
9744 }
9745
9746 static void LoadSetup_ReadGameControllerMappings(SetupFileHash *mappings_hash,
9747                                                  char *filename)
9748 {
9749   FILE *file;
9750
9751   if (!(file = fopen(filename, MODE_READ)))
9752   {
9753     Warn("cannot read game controller mappings file '%s'", filename);
9754
9755     return;
9756   }
9757
9758   while (!feof(file))
9759   {
9760     char line[MAX_LINE_LEN];
9761
9762     if (!fgets(line, MAX_LINE_LEN, file))
9763       break;
9764
9765     addGameControllerMappingToHash(mappings_hash, line);
9766   }
9767
9768   fclose(file);
9769 }
9770
9771 void SaveSetup(void)
9772 {
9773   char *filename = getSetupFilename();
9774   FILE *file;
9775   int i, pnr;
9776
9777   InitUserDataDirectory();
9778
9779   if (!(file = fopen(filename, MODE_WRITE)))
9780   {
9781     Warn("cannot write setup file '%s'", filename);
9782
9783     return;
9784   }
9785
9786   fprintFileHeader(file, SETUP_FILENAME);
9787
9788   for (i = 0; i < ARRAY_SIZE(global_setup_tokens); i++)
9789   {
9790     // just to make things nicer :)
9791     if (global_setup_tokens[i].value == &setup.sound                    ||
9792         global_setup_tokens[i].value == &setup.graphics_set             ||
9793         global_setup_tokens[i].value == &setup.volume_simple            ||
9794         global_setup_tokens[i].value == &setup.network_mode             ||
9795         global_setup_tokens[i].value == &setup.touch.control_type       ||
9796         global_setup_tokens[i].value == &setup.touch.grid_xsize[0]      ||
9797         global_setup_tokens[i].value == &setup.touch.grid_xsize[1])
9798       fprintf(file, "\n");
9799
9800     fprintf(file, "%s\n", getSetupLine(global_setup_tokens, "", i));
9801   }
9802
9803   for (i = 0; i < 2; i++)
9804   {
9805     int grid_xsize = setup.touch.grid_xsize[i];
9806     int grid_ysize = setup.touch.grid_ysize[i];
9807     int x, y;
9808
9809     fprintf(file, "\n");
9810
9811     for (y = 0; y < grid_ysize; y++)
9812     {
9813       char token_string[MAX_LINE_LEN];
9814       char value_string[MAX_LINE_LEN];
9815
9816       sprintf(token_string, "touch.virtual_buttons.%d.%02d", i, y);
9817
9818       for (x = 0; x < grid_xsize; x++)
9819       {
9820         char c = setup.touch.grid_button[i][x][y];
9821
9822         value_string[x] = (c == CHAR_GRID_BUTTON_NONE ? '.' : c);
9823       }
9824
9825       value_string[grid_xsize] = '\0';
9826
9827       fprintf(file, "%s\n", getFormattedSetupEntry(token_string, value_string));
9828     }
9829   }
9830
9831   fprintf(file, "\n");
9832   for (i = 0; i < ARRAY_SIZE(editor_setup_tokens); i++)
9833     fprintf(file, "%s\n", getSetupLine(editor_setup_tokens, "", i));
9834
9835   fprintf(file, "\n");
9836   for (i = 0; i < ARRAY_SIZE(shortcut_setup_tokens); i++)
9837     fprintf(file, "%s\n", getSetupLine(shortcut_setup_tokens, "", i));
9838
9839   for (pnr = 0; pnr < MAX_PLAYERS; pnr++)
9840   {
9841     char prefix[30];
9842
9843     sprintf(prefix, "%s%d", TOKEN_STR_PLAYER_PREFIX, pnr + 1);
9844     fprintf(file, "\n");
9845
9846     setup_input = setup.input[pnr];
9847     for (i = 0; i < ARRAY_SIZE(player_setup_tokens); i++)
9848       fprintf(file, "%s\n", getSetupLine(player_setup_tokens, prefix, i));
9849   }
9850
9851   fprintf(file, "\n");
9852   for (i = 0; i < ARRAY_SIZE(system_setup_tokens); i++)
9853     fprintf(file, "%s\n", getSetupLine(system_setup_tokens, "", i));
9854
9855   // (internal setup values not saved to user setup file)
9856
9857   fprintf(file, "\n");
9858   for (i = 0; i < ARRAY_SIZE(debug_setup_tokens); i++)
9859     fprintf(file, "%s\n", getSetupLine(debug_setup_tokens, "", i));
9860
9861   fprintf(file, "\n");
9862   for (i = 0; i < ARRAY_SIZE(options_setup_tokens); i++)
9863     fprintf(file, "%s\n", getSetupLine(options_setup_tokens, "", i));
9864
9865   fclose(file);
9866
9867   SetFilePermissions(filename, PERMS_PRIVATE);
9868 }
9869
9870 void SaveSetup_AutoSetup(void)
9871 {
9872   char *filename = getPath2(getSetupDir(), AUTOSETUP_FILENAME);
9873   FILE *file;
9874   int i;
9875
9876   InitUserDataDirectory();
9877
9878   if (!(file = fopen(filename, MODE_WRITE)))
9879   {
9880     Warn("cannot write auto setup file '%s'", filename);
9881
9882     free(filename);
9883
9884     return;
9885   }
9886
9887   fprintFileHeader(file, AUTOSETUP_FILENAME);
9888
9889   for (i = 0; i < ARRAY_SIZE(auto_setup_tokens); i++)
9890     fprintf(file, "%s\n", getSetupLine(auto_setup_tokens, "", i));
9891
9892   fclose(file);
9893
9894   SetFilePermissions(filename, PERMS_PRIVATE);
9895
9896   free(filename);
9897 }
9898
9899 void SaveSetup_EditorCascade(void)
9900 {
9901   char *filename = getPath2(getSetupDir(), EDITORCASCADE_FILENAME);
9902   FILE *file;
9903   int i;
9904
9905   InitUserDataDirectory();
9906
9907   if (!(file = fopen(filename, MODE_WRITE)))
9908   {
9909     Warn("cannot write editor cascade state file '%s'", filename);
9910
9911     free(filename);
9912
9913     return;
9914   }
9915
9916   fprintFileHeader(file, EDITORCASCADE_FILENAME);
9917
9918   for (i = 0; i < ARRAY_SIZE(editor_cascade_setup_tokens); i++)
9919     fprintf(file, "%s\n", getSetupLine(editor_cascade_setup_tokens, "", i));
9920
9921   fclose(file);
9922
9923   SetFilePermissions(filename, PERMS_PRIVATE);
9924
9925   free(filename);
9926 }
9927
9928 static void SaveSetup_WriteGameControllerMappings(SetupFileHash *mappings_hash,
9929                                                   char *filename)
9930 {
9931   FILE *file;
9932
9933   if (!(file = fopen(filename, MODE_WRITE)))
9934   {
9935     Warn("cannot write game controller mappings file '%s'", filename);
9936
9937     return;
9938   }
9939
9940   BEGIN_HASH_ITERATION(mappings_hash, itr)
9941   {
9942     fprintf(file, "%s\n", HASH_ITERATION_VALUE(itr));
9943   }
9944   END_HASH_ITERATION(mappings_hash, itr)
9945
9946   fclose(file);
9947 }
9948
9949 void SaveSetup_AddGameControllerMapping(char *mapping)
9950 {
9951   char *filename = getPath2(getSetupDir(), GAMECONTROLLER_BASENAME);
9952   SetupFileHash *mappings_hash = newSetupFileHash();
9953
9954   InitUserDataDirectory();
9955
9956   // load existing personal game controller mappings
9957   LoadSetup_ReadGameControllerMappings(mappings_hash, filename);
9958
9959   // add new mapping to personal game controller mappings
9960   addGameControllerMappingToHash(mappings_hash, mapping);
9961
9962   // save updated personal game controller mappings
9963   SaveSetup_WriteGameControllerMappings(mappings_hash, filename);
9964
9965   freeSetupFileHash(mappings_hash);
9966   free(filename);
9967 }
9968
9969 void LoadCustomElementDescriptions(void)
9970 {
9971   char *filename = getCustomArtworkConfigFilename(ARTWORK_TYPE_GRAPHICS);
9972   SetupFileHash *setup_file_hash;
9973   int i;
9974
9975   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9976   {
9977     if (element_info[i].custom_description != NULL)
9978     {
9979       free(element_info[i].custom_description);
9980       element_info[i].custom_description = NULL;
9981     }
9982   }
9983
9984   if ((setup_file_hash = loadSetupFileHash(filename)) == NULL)
9985     return;
9986
9987   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9988   {
9989     char *token = getStringCat2(element_info[i].token_name, ".name");
9990     char *value = getHashEntry(setup_file_hash, token);
9991
9992     if (value != NULL)
9993       element_info[i].custom_description = getStringCopy(value);
9994
9995     free(token);
9996   }
9997
9998   freeSetupFileHash(setup_file_hash);
9999 }
10000
10001 static int getElementFromToken(char *token)
10002 {
10003   char *value = getHashEntry(element_token_hash, token);
10004
10005   if (value != NULL)
10006     return atoi(value);
10007
10008   Warn("unknown element token '%s'", token);
10009
10010   return EL_UNDEFINED;
10011 }
10012
10013 void FreeGlobalAnimEventInfo(void)
10014 {
10015   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
10016
10017   if (gaei->event_list == NULL)
10018     return;
10019
10020   int i;
10021
10022   for (i = 0; i < gaei->num_event_lists; i++)
10023   {
10024     checked_free(gaei->event_list[i]->event_value);
10025     checked_free(gaei->event_list[i]);
10026   }
10027
10028   checked_free(gaei->event_list);
10029
10030   gaei->event_list = NULL;
10031   gaei->num_event_lists = 0;
10032 }
10033
10034 static int AddGlobalAnimEventList(void)
10035 {
10036   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
10037   int list_pos = gaei->num_event_lists++;
10038
10039   gaei->event_list = checked_realloc(gaei->event_list, gaei->num_event_lists *
10040                                      sizeof(struct GlobalAnimEventListInfo *));
10041
10042   gaei->event_list[list_pos] =
10043     checked_calloc(sizeof(struct GlobalAnimEventListInfo));
10044
10045   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
10046
10047   gaeli->event_value = NULL;
10048   gaeli->num_event_values = 0;
10049
10050   return list_pos;
10051 }
10052
10053 static int AddGlobalAnimEventValue(int list_pos, int event_value)
10054 {
10055   // do not add empty global animation events
10056   if (event_value == ANIM_EVENT_NONE)
10057     return list_pos;
10058
10059   // if list position is undefined, create new list
10060   if (list_pos == ANIM_EVENT_UNDEFINED)
10061     list_pos = AddGlobalAnimEventList();
10062
10063   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
10064   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
10065   int value_pos = gaeli->num_event_values++;
10066
10067   gaeli->event_value = checked_realloc(gaeli->event_value,
10068                                        gaeli->num_event_values * sizeof(int *));
10069
10070   gaeli->event_value[value_pos] = event_value;
10071
10072   return list_pos;
10073 }
10074
10075 int GetGlobalAnimEventValue(int list_pos, int value_pos)
10076 {
10077   if (list_pos == ANIM_EVENT_UNDEFINED)
10078     return ANIM_EVENT_NONE;
10079
10080   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
10081   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
10082
10083   return gaeli->event_value[value_pos];
10084 }
10085
10086 int GetGlobalAnimEventValueCount(int list_pos)
10087 {
10088   if (list_pos == ANIM_EVENT_UNDEFINED)
10089     return 0;
10090
10091   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
10092   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
10093
10094   return gaeli->num_event_values;
10095 }
10096
10097 // This function checks if a string <s> of the format "string1, string2, ..."
10098 // exactly contains a string <s_contained>.
10099
10100 static boolean string_has_parameter(char *s, char *s_contained)
10101 {
10102   char *substring;
10103
10104   if (s == NULL || s_contained == NULL)
10105     return FALSE;
10106
10107   if (strlen(s_contained) > strlen(s))
10108     return FALSE;
10109
10110   if (strncmp(s, s_contained, strlen(s_contained)) == 0)
10111   {
10112     char next_char = s[strlen(s_contained)];
10113
10114     // check if next character is delimiter or whitespace
10115     return (next_char == ',' || next_char == '\0' ||
10116             next_char == ' ' || next_char == '\t' ? TRUE : FALSE);
10117   }
10118
10119   // check if string contains another parameter string after a comma
10120   substring = strchr(s, ',');
10121   if (substring == NULL)        // string does not contain a comma
10122     return FALSE;
10123
10124   // advance string pointer to next character after the comma
10125   substring++;
10126
10127   // skip potential whitespaces after the comma
10128   while (*substring == ' ' || *substring == '\t')
10129     substring++;
10130
10131   return string_has_parameter(substring, s_contained);
10132 }
10133
10134 static int get_anim_parameter_value(char *s)
10135 {
10136   int event_value[] =
10137   {
10138     ANIM_EVENT_CLICK,
10139     ANIM_EVENT_INIT,
10140     ANIM_EVENT_START,
10141     ANIM_EVENT_END,
10142     ANIM_EVENT_POST
10143   };
10144   char *pattern_1[] =
10145   {
10146     "click:anim_",
10147     "init:anim_",
10148     "start:anim_",
10149     "end:anim_",
10150     "post:anim_"
10151   };
10152   char *pattern_2 = ".part_";
10153   char *matching_char = NULL;
10154   char *s_ptr = s;
10155   int pattern_1_len = 0;
10156   int result = ANIM_EVENT_NONE;
10157   int i;
10158
10159   for (i = 0; i < ARRAY_SIZE(event_value); i++)
10160   {
10161     matching_char = strstr(s_ptr, pattern_1[i]);
10162     pattern_1_len = strlen(pattern_1[i]);
10163     result = event_value[i];
10164
10165     if (matching_char != NULL)
10166       break;
10167   }
10168
10169   if (matching_char == NULL)
10170     return ANIM_EVENT_NONE;
10171
10172   s_ptr = matching_char + pattern_1_len;
10173
10174   // check for main animation number ("anim_X" or "anim_XX")
10175   if (*s_ptr >= '0' && *s_ptr <= '9')
10176   {
10177     int gic_anim_nr = (*s_ptr++ - '0');
10178
10179     if (*s_ptr >= '0' && *s_ptr <= '9')
10180       gic_anim_nr = 10 * gic_anim_nr + (*s_ptr++ - '0');
10181
10182     if (gic_anim_nr < 1 || gic_anim_nr > MAX_GLOBAL_ANIMS)
10183       return ANIM_EVENT_NONE;
10184
10185     result |= gic_anim_nr << ANIM_EVENT_ANIM_BIT;
10186   }
10187   else
10188   {
10189     // invalid main animation number specified
10190
10191     return ANIM_EVENT_NONE;
10192   }
10193
10194   // check for animation part number ("part_X" or "part_XX") (optional)
10195   if (strPrefix(s_ptr, pattern_2))
10196   {
10197     s_ptr += strlen(pattern_2);
10198
10199     if (*s_ptr >= '0' && *s_ptr <= '9')
10200     {
10201       int gic_part_nr = (*s_ptr++ - '0');
10202
10203       if (*s_ptr >= '0' && *s_ptr <= '9')
10204         gic_part_nr = 10 * gic_part_nr + (*s_ptr++ - '0');
10205
10206       if (gic_part_nr < 1 || gic_part_nr > MAX_GLOBAL_ANIM_PARTS)
10207         return ANIM_EVENT_NONE;
10208
10209       result |= gic_part_nr << ANIM_EVENT_PART_BIT;
10210     }
10211     else
10212     {
10213       // invalid animation part number specified
10214
10215       return ANIM_EVENT_NONE;
10216     }
10217   }
10218
10219   // discard result if next character is neither delimiter nor whitespace
10220   if (!(*s_ptr == ',' || *s_ptr == '\0' ||
10221         *s_ptr == ' ' || *s_ptr == '\t'))
10222     return ANIM_EVENT_NONE;
10223
10224   return result;
10225 }
10226
10227 static int get_anim_parameter_values(char *s)
10228 {
10229   int list_pos = ANIM_EVENT_UNDEFINED;
10230   int event_value = ANIM_EVENT_DEFAULT;
10231
10232   if (string_has_parameter(s, "any"))
10233     event_value |= ANIM_EVENT_ANY;
10234
10235   if (string_has_parameter(s, "click:self") ||
10236       string_has_parameter(s, "click") ||
10237       string_has_parameter(s, "self"))
10238     event_value |= ANIM_EVENT_SELF;
10239
10240   if (string_has_parameter(s, "unclick:any"))
10241     event_value |= ANIM_EVENT_UNCLICK_ANY;
10242
10243   // if animation event found, add it to global animation event list
10244   if (event_value != ANIM_EVENT_NONE)
10245     list_pos = AddGlobalAnimEventValue(list_pos, event_value);
10246
10247   while (s != NULL)
10248   {
10249     // add optional "click:anim_X" or "click:anim_X.part_X" parameter
10250     event_value = get_anim_parameter_value(s);
10251
10252     // if animation event found, add it to global animation event list
10253     if (event_value != ANIM_EVENT_NONE)
10254       list_pos = AddGlobalAnimEventValue(list_pos, event_value);
10255
10256     // continue with next part of the string, starting with next comma
10257     s = strchr(s + 1, ',');
10258   }
10259
10260   return list_pos;
10261 }
10262
10263 static int get_anim_action_parameter_value(char *token)
10264 {
10265   // check most common default case first to massively speed things up
10266   if (strEqual(token, ARG_UNDEFINED))
10267     return ANIM_EVENT_ACTION_NONE;
10268
10269   int result = getImageIDFromToken(token);
10270
10271   if (result == -1)
10272   {
10273     char *gfx_token = getStringCat2("gfx.", token);
10274
10275     result = getImageIDFromToken(gfx_token);
10276
10277     checked_free(gfx_token);
10278   }
10279
10280   if (result == -1)
10281   {
10282     Key key = getKeyFromX11KeyName(token);
10283
10284     if (key != KSYM_UNDEFINED)
10285       result = -(int)key;
10286   }
10287
10288   if (result == -1)
10289     result = ANIM_EVENT_ACTION_NONE;
10290
10291   return result;
10292 }
10293
10294 int get_parameter_value(char *value_raw, char *suffix, int type)
10295 {
10296   char *value = getStringToLower(value_raw);
10297   int result = 0;       // probably a save default value
10298
10299   if (strEqual(suffix, ".direction"))
10300   {
10301     result = (strEqual(value, "left")  ? MV_LEFT :
10302               strEqual(value, "right") ? MV_RIGHT :
10303               strEqual(value, "up")    ? MV_UP :
10304               strEqual(value, "down")  ? MV_DOWN : MV_NONE);
10305   }
10306   else if (strEqual(suffix, ".position"))
10307   {
10308     result = (strEqual(value, "left")   ? POS_LEFT :
10309               strEqual(value, "right")  ? POS_RIGHT :
10310               strEqual(value, "top")    ? POS_TOP :
10311               strEqual(value, "upper")  ? POS_UPPER :
10312               strEqual(value, "middle") ? POS_MIDDLE :
10313               strEqual(value, "lower")  ? POS_LOWER :
10314               strEqual(value, "bottom") ? POS_BOTTOM :
10315               strEqual(value, "any")    ? POS_ANY :
10316               strEqual(value, "last")   ? POS_LAST : POS_UNDEFINED);
10317   }
10318   else if (strEqual(suffix, ".align"))
10319   {
10320     result = (strEqual(value, "left")   ? ALIGN_LEFT :
10321               strEqual(value, "right")  ? ALIGN_RIGHT :
10322               strEqual(value, "center") ? ALIGN_CENTER :
10323               strEqual(value, "middle") ? ALIGN_CENTER : ALIGN_DEFAULT);
10324   }
10325   else if (strEqual(suffix, ".valign"))
10326   {
10327     result = (strEqual(value, "top")    ? VALIGN_TOP :
10328               strEqual(value, "bottom") ? VALIGN_BOTTOM :
10329               strEqual(value, "middle") ? VALIGN_MIDDLE :
10330               strEqual(value, "center") ? VALIGN_MIDDLE : VALIGN_DEFAULT);
10331   }
10332   else if (strEqual(suffix, ".anim_mode"))
10333   {
10334     result = (string_has_parameter(value, "none")       ? ANIM_NONE :
10335               string_has_parameter(value, "loop")       ? ANIM_LOOP :
10336               string_has_parameter(value, "linear")     ? ANIM_LINEAR :
10337               string_has_parameter(value, "pingpong")   ? ANIM_PINGPONG :
10338               string_has_parameter(value, "pingpong2")  ? ANIM_PINGPONG2 :
10339               string_has_parameter(value, "random")     ? ANIM_RANDOM :
10340               string_has_parameter(value, "ce_value")   ? ANIM_CE_VALUE :
10341               string_has_parameter(value, "ce_score")   ? ANIM_CE_SCORE :
10342               string_has_parameter(value, "ce_delay")   ? ANIM_CE_DELAY :
10343               string_has_parameter(value, "horizontal") ? ANIM_HORIZONTAL :
10344               string_has_parameter(value, "vertical")   ? ANIM_VERTICAL :
10345               string_has_parameter(value, "centered")   ? ANIM_CENTERED :
10346               string_has_parameter(value, "all")        ? ANIM_ALL :
10347               ANIM_DEFAULT);
10348
10349     if (string_has_parameter(value, "once"))
10350       result |= ANIM_ONCE;
10351
10352     if (string_has_parameter(value, "reverse"))
10353       result |= ANIM_REVERSE;
10354
10355     if (string_has_parameter(value, "opaque_player"))
10356       result |= ANIM_OPAQUE_PLAYER;
10357
10358     if (string_has_parameter(value, "static_panel"))
10359       result |= ANIM_STATIC_PANEL;
10360   }
10361   else if (strEqual(suffix, ".init_event") ||
10362            strEqual(suffix, ".anim_event"))
10363   {
10364     result = get_anim_parameter_values(value);
10365   }
10366   else if (strEqual(suffix, ".init_delay_action") ||
10367            strEqual(suffix, ".anim_delay_action") ||
10368            strEqual(suffix, ".post_delay_action") ||
10369            strEqual(suffix, ".init_event_action") ||
10370            strEqual(suffix, ".anim_event_action"))
10371   {
10372     result = get_anim_action_parameter_value(value_raw);
10373   }
10374   else if (strEqual(suffix, ".class"))
10375   {
10376     result = (strEqual(value, ARG_UNDEFINED) ? ARG_UNDEFINED_VALUE :
10377               get_hash_from_key(value));
10378   }
10379   else if (strEqual(suffix, ".style"))
10380   {
10381     result = STYLE_DEFAULT;
10382
10383     if (string_has_parameter(value, "accurate_borders"))
10384       result |= STYLE_ACCURATE_BORDERS;
10385
10386     if (string_has_parameter(value, "inner_corners"))
10387       result |= STYLE_INNER_CORNERS;
10388
10389     if (string_has_parameter(value, "reverse"))
10390       result |= STYLE_REVERSE;
10391
10392     if (string_has_parameter(value, "block_clicks"))
10393       result |= STYLE_BLOCK;
10394
10395     if (string_has_parameter(value, "passthrough_clicks"))
10396       result |= STYLE_PASSTHROUGH;
10397
10398     if (string_has_parameter(value, "multiple_actions"))
10399       result |= STYLE_MULTIPLE_ACTIONS;
10400   }
10401   else if (strEqual(suffix, ".fade_mode"))
10402   {
10403     result = (string_has_parameter(value, "none")       ? FADE_MODE_NONE :
10404               string_has_parameter(value, "fade")       ? FADE_MODE_FADE :
10405               string_has_parameter(value, "crossfade")  ? FADE_MODE_CROSSFADE :
10406               string_has_parameter(value, "melt")       ? FADE_MODE_MELT :
10407               string_has_parameter(value, "curtain")    ? FADE_MODE_CURTAIN :
10408               FADE_MODE_DEFAULT);
10409   }
10410   else if (strEqual(suffix, ".auto_delay_unit"))
10411   {
10412     result = (string_has_parameter(value, "ms")     ? AUTO_DELAY_UNIT_MS :
10413               string_has_parameter(value, "frames") ? AUTO_DELAY_UNIT_FRAMES :
10414               AUTO_DELAY_UNIT_DEFAULT);
10415   }
10416   else if (strPrefix(suffix, ".font"))          // (may also be ".font_xyz")
10417   {
10418     result = gfx.get_font_from_token_function(value);
10419   }
10420   else          // generic parameter of type integer or boolean
10421   {
10422     result = (strEqual(value, ARG_UNDEFINED) ? ARG_UNDEFINED_VALUE :
10423               type == TYPE_INTEGER ? get_integer_from_string(value) :
10424               type == TYPE_BOOLEAN ? get_boolean_from_string(value) :
10425               ARG_UNDEFINED_VALUE);
10426   }
10427
10428   free(value);
10429
10430   return result;
10431 }
10432
10433 static int get_token_parameter_value(char *token, char *value_raw)
10434 {
10435   char *suffix;
10436
10437   if (token == NULL || value_raw == NULL)
10438     return ARG_UNDEFINED_VALUE;
10439
10440   suffix = strrchr(token, '.');
10441   if (suffix == NULL)
10442     suffix = token;
10443
10444   if (strEqual(suffix, ".element"))
10445     return getElementFromToken(value_raw);
10446
10447   // !!! USE CORRECT VALUE TYPE (currently works also for TYPE_BOOLEAN) !!!
10448   return get_parameter_value(value_raw, suffix, TYPE_INTEGER);
10449 }
10450
10451 void InitMenuDesignSettings_Static(void)
10452 {
10453   int i;
10454
10455   // always start with reliable default values from static default config
10456   for (i = 0; image_config_vars[i].token != NULL; i++)
10457   {
10458     char *value = getHashEntry(image_config_hash, image_config_vars[i].token);
10459
10460     if (value != NULL)
10461       *image_config_vars[i].value =
10462         get_token_parameter_value(image_config_vars[i].token, value);
10463   }
10464 }
10465
10466 static void InitMenuDesignSettings_SpecialPreProcessing(void)
10467 {
10468   int i;
10469
10470   // the following initializes hierarchical values from static configuration
10471
10472   // special case: initialize "ARG_DEFAULT" values in static default config
10473   // (e.g., initialize "[titlemessage].fade_mode" from "[title].fade_mode")
10474   titlescreen_initial_first_default.fade_mode  =
10475     title_initial_first_default.fade_mode;
10476   titlescreen_initial_first_default.fade_delay =
10477     title_initial_first_default.fade_delay;
10478   titlescreen_initial_first_default.post_delay =
10479     title_initial_first_default.post_delay;
10480   titlescreen_initial_first_default.auto_delay =
10481     title_initial_first_default.auto_delay;
10482   titlescreen_initial_first_default.auto_delay_unit =
10483     title_initial_first_default.auto_delay_unit;
10484   titlescreen_first_default.fade_mode  = title_first_default.fade_mode;
10485   titlescreen_first_default.fade_delay = title_first_default.fade_delay;
10486   titlescreen_first_default.post_delay = title_first_default.post_delay;
10487   titlescreen_first_default.auto_delay = title_first_default.auto_delay;
10488   titlescreen_first_default.auto_delay_unit =
10489     title_first_default.auto_delay_unit;
10490   titlemessage_initial_first_default.fade_mode  =
10491     title_initial_first_default.fade_mode;
10492   titlemessage_initial_first_default.fade_delay =
10493     title_initial_first_default.fade_delay;
10494   titlemessage_initial_first_default.post_delay =
10495     title_initial_first_default.post_delay;
10496   titlemessage_initial_first_default.auto_delay =
10497     title_initial_first_default.auto_delay;
10498   titlemessage_initial_first_default.auto_delay_unit =
10499     title_initial_first_default.auto_delay_unit;
10500   titlemessage_first_default.fade_mode  = title_first_default.fade_mode;
10501   titlemessage_first_default.fade_delay = title_first_default.fade_delay;
10502   titlemessage_first_default.post_delay = title_first_default.post_delay;
10503   titlemessage_first_default.auto_delay = title_first_default.auto_delay;
10504   titlemessage_first_default.auto_delay_unit =
10505     title_first_default.auto_delay_unit;
10506
10507   titlescreen_initial_default.fade_mode  = title_initial_default.fade_mode;
10508   titlescreen_initial_default.fade_delay = title_initial_default.fade_delay;
10509   titlescreen_initial_default.post_delay = title_initial_default.post_delay;
10510   titlescreen_initial_default.auto_delay = title_initial_default.auto_delay;
10511   titlescreen_initial_default.auto_delay_unit =
10512     title_initial_default.auto_delay_unit;
10513   titlescreen_default.fade_mode  = title_default.fade_mode;
10514   titlescreen_default.fade_delay = title_default.fade_delay;
10515   titlescreen_default.post_delay = title_default.post_delay;
10516   titlescreen_default.auto_delay = title_default.auto_delay;
10517   titlescreen_default.auto_delay_unit = title_default.auto_delay_unit;
10518   titlemessage_initial_default.fade_mode  = title_initial_default.fade_mode;
10519   titlemessage_initial_default.fade_delay = title_initial_default.fade_delay;
10520   titlemessage_initial_default.post_delay = title_initial_default.post_delay;
10521   titlemessage_initial_default.auto_delay_unit =
10522     title_initial_default.auto_delay_unit;
10523   titlemessage_default.fade_mode  = title_default.fade_mode;
10524   titlemessage_default.fade_delay = title_default.fade_delay;
10525   titlemessage_default.post_delay = title_default.post_delay;
10526   titlemessage_default.auto_delay = title_default.auto_delay;
10527   titlemessage_default.auto_delay_unit = title_default.auto_delay_unit;
10528
10529   // special case: initialize "ARG_DEFAULT" values in static default config
10530   // (e.g., init "titlemessage_1.fade_mode" from "[titlemessage].fade_mode")
10531   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
10532   {
10533     titlescreen_initial_first[i] = titlescreen_initial_first_default;
10534     titlescreen_first[i] = titlescreen_first_default;
10535     titlemessage_initial_first[i] = titlemessage_initial_first_default;
10536     titlemessage_first[i] = titlemessage_first_default;
10537
10538     titlescreen_initial[i] = titlescreen_initial_default;
10539     titlescreen[i] = titlescreen_default;
10540     titlemessage_initial[i] = titlemessage_initial_default;
10541     titlemessage[i] = titlemessage_default;
10542   }
10543
10544   // special case: initialize "ARG_DEFAULT" values in static default config
10545   // (eg, init "menu.enter_screen.SCORES.xyz" from "menu.enter_screen.xyz")
10546   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
10547   {
10548     if (i == GFX_SPECIAL_ARG_TITLE)     // title values already initialized
10549       continue;
10550
10551     menu.enter_screen[i] = menu.enter_screen[GFX_SPECIAL_ARG_DEFAULT];
10552     menu.leave_screen[i] = menu.leave_screen[GFX_SPECIAL_ARG_DEFAULT];
10553     menu.next_screen[i]  = menu.next_screen[GFX_SPECIAL_ARG_DEFAULT];
10554   }
10555
10556   // special case: initialize "ARG_DEFAULT" values in static default config
10557   // (eg, init "viewport.door_1.MAIN.xyz" from "viewport.door_1.xyz")
10558   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
10559   {
10560     viewport.window[i]    = viewport.window[GFX_SPECIAL_ARG_DEFAULT];
10561     viewport.playfield[i] = viewport.playfield[GFX_SPECIAL_ARG_DEFAULT];
10562     viewport.door_1[i]    = viewport.door_1[GFX_SPECIAL_ARG_DEFAULT];
10563
10564     if (i == GFX_SPECIAL_ARG_EDITOR)    // editor values already initialized
10565       continue;
10566
10567     viewport.door_2[i] = viewport.door_2[GFX_SPECIAL_ARG_DEFAULT];
10568   }
10569 }
10570
10571 static void InitMenuDesignSettings_SpecialPostProcessing(void)
10572 {
10573   static struct
10574   {
10575     struct XY *dst, *src;
10576   }
10577   game_buttons_xy[] =
10578   {
10579     { &game.button.save,        &game.button.stop       },
10580     { &game.button.pause2,      &game.button.pause      },
10581     { &game.button.load,        &game.button.play       },
10582     { &game.button.undo,        &game.button.stop       },
10583     { &game.button.redo,        &game.button.play       },
10584
10585     { NULL,                     NULL                    }
10586   };
10587   int i, j;
10588
10589   // special case: initialize later added SETUP list size from LEVELS value
10590   if (menu.list_size[GAME_MODE_SETUP] == -1)
10591     menu.list_size[GAME_MODE_SETUP] = menu.list_size[GAME_MODE_LEVELS];
10592
10593   // set default position for snapshot buttons to stop/pause/play buttons
10594   for (i = 0; game_buttons_xy[i].dst != NULL; i++)
10595     if ((*game_buttons_xy[i].dst).x == -1 &&
10596         (*game_buttons_xy[i].dst).y == -1)
10597       *game_buttons_xy[i].dst = *game_buttons_xy[i].src;
10598
10599   // --------------------------------------------------------------------------
10600   // dynamic viewports (including playfield margins, borders and alignments)
10601   // --------------------------------------------------------------------------
10602
10603   // dynamic viewports currently only supported for landscape mode
10604   int display_width  = MAX(video.display_width, video.display_height);
10605   int display_height = MIN(video.display_width, video.display_height);
10606
10607   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
10608   {
10609     struct RectWithBorder *vp_window    = &viewport.window[i];
10610     struct RectWithBorder *vp_playfield = &viewport.playfield[i];
10611     struct RectWithBorder *vp_door_1    = &viewport.door_1[i];
10612     struct RectWithBorder *vp_door_2    = &viewport.door_2[i];
10613     boolean dynamic_window_width     = (vp_window->min_width     != -1);
10614     boolean dynamic_window_height    = (vp_window->min_height    != -1);
10615     boolean dynamic_playfield_width  = (vp_playfield->min_width  != -1);
10616     boolean dynamic_playfield_height = (vp_playfield->min_height != -1);
10617
10618     // adjust window size if min/max width/height is specified
10619
10620     if (vp_window->min_width != -1)
10621     {
10622       int window_width = display_width;
10623
10624       // when using static window height, use aspect ratio of display
10625       if (vp_window->min_height == -1)
10626         window_width = vp_window->height * display_width / display_height;
10627
10628       vp_window->width = MAX(vp_window->min_width, window_width);
10629     }
10630
10631     if (vp_window->min_height != -1)
10632     {
10633       int window_height = display_height;
10634
10635       // when using static window width, use aspect ratio of display
10636       if (vp_window->min_width == -1)
10637         window_height = vp_window->width * display_height / display_width;
10638
10639       vp_window->height = MAX(vp_window->min_height, window_height);
10640     }
10641
10642     if (vp_window->max_width != -1)
10643       vp_window->width = MIN(vp_window->width, vp_window->max_width);
10644
10645     if (vp_window->max_height != -1)
10646       vp_window->height = MIN(vp_window->height, vp_window->max_height);
10647
10648     int playfield_width  = vp_window->width;
10649     int playfield_height = vp_window->height;
10650
10651     // adjust playfield size and position according to specified margins
10652
10653     playfield_width  -= vp_playfield->margin_left;
10654     playfield_width  -= vp_playfield->margin_right;
10655
10656     playfield_height -= vp_playfield->margin_top;
10657     playfield_height -= vp_playfield->margin_bottom;
10658
10659     // adjust playfield size if min/max width/height is specified
10660
10661     if (vp_playfield->min_width != -1)
10662       vp_playfield->width = MAX(vp_playfield->min_width, playfield_width);
10663
10664     if (vp_playfield->min_height != -1)
10665       vp_playfield->height = MAX(vp_playfield->min_height, playfield_height);
10666
10667     if (vp_playfield->max_width != -1)
10668       vp_playfield->width = MIN(vp_playfield->width, vp_playfield->max_width);
10669
10670     if (vp_playfield->max_height != -1)
10671       vp_playfield->height = MIN(vp_playfield->height,vp_playfield->max_height);
10672
10673     // adjust playfield position according to specified alignment
10674
10675     if (vp_playfield->align == ALIGN_LEFT || vp_playfield->x > 0)
10676       vp_playfield->x = ALIGNED_VP_XPOS(vp_playfield);
10677     else if (vp_playfield->align == ALIGN_CENTER)
10678       vp_playfield->x = playfield_width / 2 - vp_playfield->width / 2;
10679     else if (vp_playfield->align == ALIGN_RIGHT)
10680       vp_playfield->x += playfield_width - vp_playfield->width;
10681
10682     if (vp_playfield->valign == VALIGN_TOP || vp_playfield->y > 0)
10683       vp_playfield->y = ALIGNED_VP_YPOS(vp_playfield);
10684     else if (vp_playfield->valign == VALIGN_MIDDLE)
10685       vp_playfield->y = playfield_height / 2 - vp_playfield->height / 2;
10686     else if (vp_playfield->valign == VALIGN_BOTTOM)
10687       vp_playfield->y += playfield_height - vp_playfield->height;
10688
10689     vp_playfield->x += vp_playfield->margin_left;
10690     vp_playfield->y += vp_playfield->margin_top;
10691
10692     // adjust individual playfield borders if only default border is specified
10693
10694     if (vp_playfield->border_left == -1)
10695       vp_playfield->border_left = vp_playfield->border_size;
10696     if (vp_playfield->border_right == -1)
10697       vp_playfield->border_right = vp_playfield->border_size;
10698     if (vp_playfield->border_top == -1)
10699       vp_playfield->border_top = vp_playfield->border_size;
10700     if (vp_playfield->border_bottom == -1)
10701       vp_playfield->border_bottom = vp_playfield->border_size;
10702
10703     // set dynamic playfield borders if borders are specified as undefined
10704     // (but only if window size was dynamic and playfield size was static)
10705
10706     if (dynamic_window_width && !dynamic_playfield_width)
10707     {
10708       if (vp_playfield->border_left == -1)
10709       {
10710         vp_playfield->border_left = (vp_playfield->x -
10711                                      vp_playfield->margin_left);
10712         vp_playfield->x     -= vp_playfield->border_left;
10713         vp_playfield->width += vp_playfield->border_left;
10714       }
10715
10716       if (vp_playfield->border_right == -1)
10717       {
10718         vp_playfield->border_right = (vp_window->width -
10719                                       vp_playfield->x -
10720                                       vp_playfield->width -
10721                                       vp_playfield->margin_right);
10722         vp_playfield->width += vp_playfield->border_right;
10723       }
10724     }
10725
10726     if (dynamic_window_height && !dynamic_playfield_height)
10727     {
10728       if (vp_playfield->border_top == -1)
10729       {
10730         vp_playfield->border_top = (vp_playfield->y -
10731                                     vp_playfield->margin_top);
10732         vp_playfield->y      -= vp_playfield->border_top;
10733         vp_playfield->height += vp_playfield->border_top;
10734       }
10735
10736       if (vp_playfield->border_bottom == -1)
10737       {
10738         vp_playfield->border_bottom = (vp_window->height -
10739                                        vp_playfield->y -
10740                                        vp_playfield->height -
10741                                        vp_playfield->margin_bottom);
10742         vp_playfield->height += vp_playfield->border_bottom;
10743       }
10744     }
10745
10746     // adjust playfield size to be a multiple of a defined alignment tile size
10747
10748     int align_size = vp_playfield->align_size;
10749     int playfield_xtiles = vp_playfield->width  / align_size;
10750     int playfield_ytiles = vp_playfield->height / align_size;
10751     int playfield_width_corrected  = playfield_xtiles * align_size;
10752     int playfield_height_corrected = playfield_ytiles * align_size;
10753     boolean is_playfield_mode = (i == GFX_SPECIAL_ARG_PLAYING ||
10754                                  i == GFX_SPECIAL_ARG_EDITOR);
10755
10756     if (is_playfield_mode &&
10757         dynamic_playfield_width &&
10758         vp_playfield->width != playfield_width_corrected)
10759     {
10760       int playfield_xdiff = vp_playfield->width - playfield_width_corrected;
10761
10762       vp_playfield->width = playfield_width_corrected;
10763
10764       if (vp_playfield->align == ALIGN_LEFT)
10765       {
10766         vp_playfield->border_left += playfield_xdiff;
10767       }
10768       else if (vp_playfield->align == ALIGN_RIGHT)
10769       {
10770         vp_playfield->border_right += playfield_xdiff;
10771       }
10772       else if (vp_playfield->align == ALIGN_CENTER)
10773       {
10774         int border_left_diff  = playfield_xdiff / 2;
10775         int border_right_diff = playfield_xdiff - border_left_diff;
10776
10777         vp_playfield->border_left  += border_left_diff;
10778         vp_playfield->border_right += border_right_diff;
10779       }
10780     }
10781
10782     if (is_playfield_mode &&
10783         dynamic_playfield_height &&
10784         vp_playfield->height != playfield_height_corrected)
10785     {
10786       int playfield_ydiff = vp_playfield->height - playfield_height_corrected;
10787
10788       vp_playfield->height = playfield_height_corrected;
10789
10790       if (vp_playfield->valign == VALIGN_TOP)
10791       {
10792         vp_playfield->border_top += playfield_ydiff;
10793       }
10794       else if (vp_playfield->align == VALIGN_BOTTOM)
10795       {
10796         vp_playfield->border_right += playfield_ydiff;
10797       }
10798       else if (vp_playfield->align == VALIGN_MIDDLE)
10799       {
10800         int border_top_diff    = playfield_ydiff / 2;
10801         int border_bottom_diff = playfield_ydiff - border_top_diff;
10802
10803         vp_playfield->border_top    += border_top_diff;
10804         vp_playfield->border_bottom += border_bottom_diff;
10805       }
10806     }
10807
10808     // adjust door positions according to specified alignment
10809
10810     for (j = 0; j < 2; j++)
10811     {
10812       struct RectWithBorder *vp_door = (j == 0 ? vp_door_1 : vp_door_2);
10813
10814       if (vp_door->align == ALIGN_LEFT || vp_door->x > 0)
10815         vp_door->x = ALIGNED_VP_XPOS(vp_door);
10816       else if (vp_door->align == ALIGN_CENTER)
10817         vp_door->x = vp_window->width / 2 - vp_door->width / 2;
10818       else if (vp_door->align == ALIGN_RIGHT)
10819         vp_door->x += vp_window->width - vp_door->width;
10820
10821       if (vp_door->valign == VALIGN_TOP || vp_door->y > 0)
10822         vp_door->y = ALIGNED_VP_YPOS(vp_door);
10823       else if (vp_door->valign == VALIGN_MIDDLE)
10824         vp_door->y = vp_window->height / 2 - vp_door->height / 2;
10825       else if (vp_door->valign == VALIGN_BOTTOM)
10826         vp_door->y += vp_window->height - vp_door->height;
10827     }
10828   }
10829 }
10830
10831 static void InitMenuDesignSettings_SpecialPostProcessing_AfterGraphics(void)
10832 {
10833   static struct
10834   {
10835     struct XYTileSize *dst, *src;
10836     int graphic;
10837   }
10838   editor_buttons_xy[] =
10839   {
10840     {
10841       &editor.button.element_left,      &editor.palette.element_left,
10842       IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT
10843     },
10844     {
10845       &editor.button.element_middle,    &editor.palette.element_middle,
10846       IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE
10847     },
10848     {
10849       &editor.button.element_right,     &editor.palette.element_right,
10850       IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT
10851     },
10852
10853     { NULL,                     NULL                    }
10854   };
10855   int i;
10856
10857   // set default position for element buttons to element graphics
10858   for (i = 0; editor_buttons_xy[i].dst != NULL; i++)
10859   {
10860     if ((*editor_buttons_xy[i].dst).x == -1 &&
10861         (*editor_buttons_xy[i].dst).y == -1)
10862     {
10863       struct GraphicInfo *gd = &graphic_info[editor_buttons_xy[i].graphic];
10864
10865       gd->width = gd->height = editor_buttons_xy[i].src->tile_size;
10866
10867       *editor_buttons_xy[i].dst = *editor_buttons_xy[i].src;
10868     }
10869   }
10870
10871   // adjust editor palette rows and columns if specified to be dynamic
10872
10873   if (editor.palette.cols == -1)
10874   {
10875     int vp_width = viewport.playfield[GFX_SPECIAL_ARG_EDITOR].width;
10876     int bt_width = graphic_info[IMG_EDITOR_PALETTE_BUTTON].width;
10877     int sc_width = graphic_info[IMG_EDITOR_PALETTE_SCROLLBAR].width;
10878
10879     editor.palette.cols = (vp_width - sc_width) / bt_width;
10880
10881     if (editor.palette.x == -1)
10882     {
10883       int palette_width = editor.palette.cols * bt_width + sc_width;
10884
10885       editor.palette.x = (vp_width - palette_width) / 2;
10886     }
10887   }
10888
10889   if (editor.palette.rows == -1)
10890   {
10891     int vp_height = viewport.playfield[GFX_SPECIAL_ARG_EDITOR].height;
10892     int bt_height = graphic_info[IMG_EDITOR_PALETTE_BUTTON].height;
10893     int tx_height = getFontHeight(FONT_TEXT_2);
10894
10895     editor.palette.rows = (vp_height - tx_height) / bt_height;
10896
10897     if (editor.palette.y == -1)
10898     {
10899       int palette_height = editor.palette.rows * bt_height + tx_height;
10900
10901       editor.palette.y = (vp_height - palette_height) / 2;
10902     }
10903   }
10904 }
10905
10906 static void LoadMenuDesignSettingsFromFilename(char *filename)
10907 {
10908   static struct TitleFadingInfo tfi;
10909   static struct TitleMessageInfo tmi;
10910   static struct TokenInfo title_tokens[] =
10911   {
10912     { TYPE_INTEGER,     &tfi.fade_mode,         ".fade_mode"            },
10913     { TYPE_INTEGER,     &tfi.fade_delay,        ".fade_delay"           },
10914     { TYPE_INTEGER,     &tfi.post_delay,        ".post_delay"           },
10915     { TYPE_INTEGER,     &tfi.auto_delay,        ".auto_delay"           },
10916     { TYPE_INTEGER,     &tfi.auto_delay_unit,   ".auto_delay_unit"      },
10917
10918     { -1,               NULL,                   NULL                    }
10919   };
10920   static struct TokenInfo titlemessage_tokens[] =
10921   {
10922     { TYPE_INTEGER,     &tmi.x,                 ".x"                    },
10923     { TYPE_INTEGER,     &tmi.y,                 ".y"                    },
10924     { TYPE_INTEGER,     &tmi.width,             ".width"                },
10925     { TYPE_INTEGER,     &tmi.height,            ".height"               },
10926     { TYPE_INTEGER,     &tmi.chars,             ".chars"                },
10927     { TYPE_INTEGER,     &tmi.lines,             ".lines"                },
10928     { TYPE_INTEGER,     &tmi.align,             ".align"                },
10929     { TYPE_INTEGER,     &tmi.valign,            ".valign"               },
10930     { TYPE_INTEGER,     &tmi.font,              ".font"                 },
10931     { TYPE_BOOLEAN,     &tmi.autowrap,          ".autowrap"             },
10932     { TYPE_BOOLEAN,     &tmi.centered,          ".centered"             },
10933     { TYPE_BOOLEAN,     &tmi.parse_comments,    ".parse_comments"       },
10934     { TYPE_INTEGER,     &tmi.sort_priority,     ".sort_priority"        },
10935     { TYPE_INTEGER,     &tmi.fade_mode,         ".fade_mode"            },
10936     { TYPE_INTEGER,     &tmi.fade_delay,        ".fade_delay"           },
10937     { TYPE_INTEGER,     &tmi.post_delay,        ".post_delay"           },
10938     { TYPE_INTEGER,     &tmi.auto_delay,        ".auto_delay"           },
10939     { TYPE_INTEGER,     &tmi.auto_delay_unit,   ".auto_delay_unit"      },
10940
10941     { -1,               NULL,                   NULL                    }
10942   };
10943   static struct
10944   {
10945     struct TitleFadingInfo *info;
10946     char *text;
10947   }
10948   title_info[] =
10949   {
10950     // initialize first titles from "enter screen" definitions, if defined
10951     { &title_initial_first_default,     "menu.enter_screen.TITLE"       },
10952     { &title_first_default,             "menu.enter_screen.TITLE"       },
10953
10954     // initialize title screens from "next screen" definitions, if defined
10955     { &title_initial_default,           "menu.next_screen.TITLE"        },
10956     { &title_default,                   "menu.next_screen.TITLE"        },
10957
10958     { NULL,                             NULL                            }
10959   };
10960   static struct
10961   {
10962     struct TitleMessageInfo *array;
10963     char *text;
10964   }
10965   titlemessage_arrays[] =
10966   {
10967     // initialize first titles from "enter screen" definitions, if defined
10968     { titlescreen_initial_first,        "menu.enter_screen.TITLE"       },
10969     { titlescreen_first,                "menu.enter_screen.TITLE"       },
10970     { titlemessage_initial_first,       "menu.enter_screen.TITLE"       },
10971     { titlemessage_first,               "menu.enter_screen.TITLE"       },
10972
10973     // initialize titles from "next screen" definitions, if defined
10974     { titlescreen_initial,              "menu.next_screen.TITLE"        },
10975     { titlescreen,                      "menu.next_screen.TITLE"        },
10976     { titlemessage_initial,             "menu.next_screen.TITLE"        },
10977     { titlemessage,                     "menu.next_screen.TITLE"        },
10978
10979     // overwrite titles with title definitions, if defined
10980     { titlescreen_initial_first,        "[title_initial]"               },
10981     { titlescreen_first,                "[title]"                       },
10982     { titlemessage_initial_first,       "[title_initial]"               },
10983     { titlemessage_first,               "[title]"                       },
10984
10985     { titlescreen_initial,              "[title_initial]"               },
10986     { titlescreen,                      "[title]"                       },
10987     { titlemessage_initial,             "[title_initial]"               },
10988     { titlemessage,                     "[title]"                       },
10989
10990     // overwrite titles with title screen/message definitions, if defined
10991     { titlescreen_initial_first,        "[titlescreen_initial]"         },
10992     { titlescreen_first,                "[titlescreen]"                 },
10993     { titlemessage_initial_first,       "[titlemessage_initial]"        },
10994     { titlemessage_first,               "[titlemessage]"                },
10995
10996     { titlescreen_initial,              "[titlescreen_initial]"         },
10997     { titlescreen,                      "[titlescreen]"                 },
10998     { titlemessage_initial,             "[titlemessage_initial]"        },
10999     { titlemessage,                     "[titlemessage]"                },
11000
11001     { NULL,                             NULL                            }
11002   };
11003   SetupFileHash *setup_file_hash;
11004   int i, j, k;
11005
11006   if ((setup_file_hash = loadSetupFileHash(filename)) == NULL)
11007     return;
11008
11009   // the following initializes hierarchical values from dynamic configuration
11010
11011   // special case: initialize with default values that may be overwritten
11012   // (e.g., init "menu.draw_xoffset.INFO" from "menu.draw_xoffset")
11013   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11014   {
11015     struct TokenIntPtrInfo menu_config[] =
11016     {
11017       { "menu.draw_xoffset",    &menu.draw_xoffset[i]   },
11018       { "menu.draw_yoffset",    &menu.draw_yoffset[i]   },
11019       { "menu.list_size",       &menu.list_size[i]      }
11020     };
11021
11022     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
11023     {
11024       char *token = menu_config[j].token;
11025       char *value = getHashEntry(setup_file_hash, token);
11026
11027       if (value != NULL)
11028         *menu_config[j].value = get_integer_from_string(value);
11029     }
11030   }
11031
11032   // special case: initialize with default values that may be overwritten
11033   // (eg, init "menu.draw_xoffset.INFO[XXX]" from "menu.draw_xoffset.INFO")
11034   for (i = 0; i < NUM_SPECIAL_GFX_INFO_ARGS; i++)
11035   {
11036     struct TokenIntPtrInfo menu_config[] =
11037     {
11038       { "menu.draw_xoffset.INFO",       &menu.draw_xoffset_info[i]      },
11039       { "menu.draw_yoffset.INFO",       &menu.draw_yoffset_info[i]      },
11040       { "menu.list_size.INFO",          &menu.list_size_info[i]         }
11041     };
11042
11043     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
11044     {
11045       char *token = menu_config[j].token;
11046       char *value = getHashEntry(setup_file_hash, token);
11047
11048       if (value != NULL)
11049         *menu_config[j].value = get_integer_from_string(value);
11050     }
11051   }
11052
11053   // special case: initialize with default values that may be overwritten
11054   // (eg, init "menu.draw_xoffset.SETUP[XXX]" from "menu.draw_xoffset.SETUP")
11055   for (i = 0; i < NUM_SPECIAL_GFX_SETUP_ARGS; i++)
11056   {
11057     struct TokenIntPtrInfo menu_config[] =
11058     {
11059       { "menu.draw_xoffset.SETUP",      &menu.draw_xoffset_setup[i]     },
11060       { "menu.draw_yoffset.SETUP",      &menu.draw_yoffset_setup[i]     }
11061     };
11062
11063     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
11064     {
11065       char *token = menu_config[j].token;
11066       char *value = getHashEntry(setup_file_hash, token);
11067
11068       if (value != NULL)
11069         *menu_config[j].value = get_integer_from_string(value);
11070     }
11071   }
11072
11073   // special case: initialize with default values that may be overwritten
11074   // (eg, init "menu.line_spacing.INFO[XXX]" from "menu.line_spacing.INFO")
11075   for (i = 0; i < NUM_SPECIAL_GFX_INFO_ARGS; i++)
11076   {
11077     struct TokenIntPtrInfo menu_config[] =
11078     {
11079       { "menu.left_spacing.INFO",       &menu.left_spacing_info[i]      },
11080       { "menu.right_spacing.INFO",      &menu.right_spacing_info[i]     },
11081       { "menu.top_spacing.INFO",        &menu.top_spacing_info[i]       },
11082       { "menu.bottom_spacing.INFO",     &menu.bottom_spacing_info[i]    },
11083       { "menu.paragraph_spacing.INFO",  &menu.paragraph_spacing_info[i] },
11084       { "menu.headline1_spacing.INFO",  &menu.headline1_spacing_info[i] },
11085       { "menu.headline2_spacing.INFO",  &menu.headline2_spacing_info[i] },
11086       { "menu.line_spacing.INFO",       &menu.line_spacing_info[i]      },
11087       { "menu.extra_spacing.INFO",      &menu.extra_spacing_info[i]     },
11088     };
11089
11090     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
11091     {
11092       char *token = menu_config[j].token;
11093       char *value = getHashEntry(setup_file_hash, token);
11094
11095       if (value != NULL)
11096         *menu_config[j].value = get_integer_from_string(value);
11097     }
11098   }
11099
11100   // special case: initialize with default values that may be overwritten
11101   // (eg, init "menu.enter_screen.SCORES.xyz" from "menu.enter_screen.xyz")
11102   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11103   {
11104     struct TokenIntPtrInfo menu_config[] =
11105     {
11106       { "menu.enter_screen.fade_mode",  &menu.enter_screen[i].fade_mode  },
11107       { "menu.enter_screen.fade_delay", &menu.enter_screen[i].fade_delay },
11108       { "menu.enter_screen.post_delay", &menu.enter_screen[i].post_delay },
11109       { "menu.leave_screen.fade_mode",  &menu.leave_screen[i].fade_mode  },
11110       { "menu.leave_screen.fade_delay", &menu.leave_screen[i].fade_delay },
11111       { "menu.leave_screen.post_delay", &menu.leave_screen[i].post_delay },
11112       { "menu.next_screen.fade_mode",   &menu.next_screen[i].fade_mode   },
11113       { "menu.next_screen.fade_delay",  &menu.next_screen[i].fade_delay  },
11114       { "menu.next_screen.post_delay",  &menu.next_screen[i].post_delay  }
11115     };
11116
11117     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
11118     {
11119       char *token = menu_config[j].token;
11120       char *value = getHashEntry(setup_file_hash, token);
11121
11122       if (value != NULL)
11123         *menu_config[j].value = get_token_parameter_value(token, value);
11124     }
11125   }
11126
11127   // special case: initialize with default values that may be overwritten
11128   // (eg, init "viewport.door_1.MAIN.xyz" from "viewport.door_1.xyz")
11129   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11130   {
11131     struct
11132     {
11133       char *token_prefix;
11134       struct RectWithBorder *struct_ptr;
11135     }
11136     vp_struct[] =
11137     {
11138       { "viewport.window",      &viewport.window[i]     },
11139       { "viewport.playfield",   &viewport.playfield[i]  },
11140       { "viewport.door_1",      &viewport.door_1[i]     },
11141       { "viewport.door_2",      &viewport.door_2[i]     }
11142     };
11143
11144     for (j = 0; j < ARRAY_SIZE(vp_struct); j++)
11145     {
11146       struct TokenIntPtrInfo vp_config[] =
11147       {
11148         { ".x",                 &vp_struct[j].struct_ptr->x             },
11149         { ".y",                 &vp_struct[j].struct_ptr->y             },
11150         { ".width",             &vp_struct[j].struct_ptr->width         },
11151         { ".height",            &vp_struct[j].struct_ptr->height        },
11152         { ".min_width",         &vp_struct[j].struct_ptr->min_width     },
11153         { ".min_height",        &vp_struct[j].struct_ptr->min_height    },
11154         { ".max_width",         &vp_struct[j].struct_ptr->max_width     },
11155         { ".max_height",        &vp_struct[j].struct_ptr->max_height    },
11156         { ".margin_left",       &vp_struct[j].struct_ptr->margin_left   },
11157         { ".margin_right",      &vp_struct[j].struct_ptr->margin_right  },
11158         { ".margin_top",        &vp_struct[j].struct_ptr->margin_top    },
11159         { ".margin_bottom",     &vp_struct[j].struct_ptr->margin_bottom },
11160         { ".border_left",       &vp_struct[j].struct_ptr->border_left   },
11161         { ".border_right",      &vp_struct[j].struct_ptr->border_right  },
11162         { ".border_top",        &vp_struct[j].struct_ptr->border_top    },
11163         { ".border_bottom",     &vp_struct[j].struct_ptr->border_bottom },
11164         { ".border_size",       &vp_struct[j].struct_ptr->border_size   },
11165         { ".align_size",        &vp_struct[j].struct_ptr->align_size    },
11166         { ".align",             &vp_struct[j].struct_ptr->align         },
11167         { ".valign",            &vp_struct[j].struct_ptr->valign        }
11168       };
11169
11170       for (k = 0; k < ARRAY_SIZE(vp_config); k++)
11171       {
11172         char *token = getStringCat2(vp_struct[j].token_prefix,
11173                                     vp_config[k].token);
11174         char *value = getHashEntry(setup_file_hash, token);
11175
11176         if (value != NULL)
11177           *vp_config[k].value = get_token_parameter_value(token, value);
11178
11179         free(token);
11180       }
11181     }
11182   }
11183
11184   // special case: initialize with default values that may be overwritten
11185   // (e.g., init "[title].fade_mode" from "menu.next_screen.TITLE.fade_mode")
11186   for (i = 0; title_info[i].info != NULL; i++)
11187   {
11188     struct TitleFadingInfo *info = title_info[i].info;
11189     char *base_token = title_info[i].text;
11190
11191     for (j = 0; title_tokens[j].type != -1; j++)
11192     {
11193       char *token = getStringCat2(base_token, title_tokens[j].text);
11194       char *value = getHashEntry(setup_file_hash, token);
11195
11196       if (value != NULL)
11197       {
11198         int parameter_value = get_token_parameter_value(token, value);
11199
11200         tfi = *info;
11201
11202         *(int *)title_tokens[j].value = (int)parameter_value;
11203
11204         *info = tfi;
11205       }
11206
11207       free(token);
11208     }
11209   }
11210
11211   // special case: initialize with default values that may be overwritten
11212   // (e.g., init "titlemessage_1.fade_mode" from "[titlemessage].fade_mode")
11213   for (i = 0; titlemessage_arrays[i].array != NULL; i++)
11214   {
11215     struct TitleMessageInfo *array = titlemessage_arrays[i].array;
11216     char *base_token = titlemessage_arrays[i].text;
11217
11218     for (j = 0; titlemessage_tokens[j].type != -1; j++)
11219     {
11220       char *token = getStringCat2(base_token, titlemessage_tokens[j].text);
11221       char *value = getHashEntry(setup_file_hash, token);
11222
11223       if (value != NULL)
11224       {
11225         int parameter_value = get_token_parameter_value(token, value);
11226
11227         for (k = 0; k < MAX_NUM_TITLE_MESSAGES; k++)
11228         {
11229           tmi = array[k];
11230
11231           if (titlemessage_tokens[j].type == TYPE_INTEGER)
11232             *(int     *)titlemessage_tokens[j].value = (int)parameter_value;
11233           else
11234             *(boolean *)titlemessage_tokens[j].value = (boolean)parameter_value;
11235
11236           array[k] = tmi;
11237         }
11238       }
11239
11240       free(token);
11241     }
11242   }
11243
11244   // special case: check if network and preview player positions are redefined,
11245   // to compare this later against the main menu level preview being redefined
11246   struct TokenIntPtrInfo menu_config_players[] =
11247   {
11248     { "main.network_players.x", &menu.main.network_players.redefined    },
11249     { "main.network_players.y", &menu.main.network_players.redefined    },
11250     { "main.preview_players.x", &menu.main.preview_players.redefined    },
11251     { "main.preview_players.y", &menu.main.preview_players.redefined    },
11252     { "preview.x",              &preview.redefined                      },
11253     { "preview.y",              &preview.redefined                      }
11254   };
11255
11256   for (i = 0; i < ARRAY_SIZE(menu_config_players); i++)
11257     *menu_config_players[i].value = FALSE;
11258
11259   for (i = 0; i < ARRAY_SIZE(menu_config_players); i++)
11260     if (getHashEntry(setup_file_hash, menu_config_players[i].token) != NULL)
11261       *menu_config_players[i].value = TRUE;
11262
11263   // read (and overwrite with) values that may be specified in config file
11264   for (i = 0; image_config_vars[i].token != NULL; i++)
11265   {
11266     char *value = getHashEntry(setup_file_hash, image_config_vars[i].token);
11267
11268     // (ignore definitions set to "[DEFAULT]" which are already initialized)
11269     if (value != NULL && !strEqual(value, ARG_DEFAULT))
11270       *image_config_vars[i].value =
11271         get_token_parameter_value(image_config_vars[i].token, value);
11272   }
11273
11274   freeSetupFileHash(setup_file_hash);
11275 }
11276
11277 void LoadMenuDesignSettings(void)
11278 {
11279   char *filename_base = UNDEFINED_FILENAME, *filename_local;
11280
11281   InitMenuDesignSettings_Static();
11282   InitMenuDesignSettings_SpecialPreProcessing();
11283
11284   if (!GFX_OVERRIDE_ARTWORK(ARTWORK_TYPE_GRAPHICS))
11285   {
11286     // first look for special settings configured in level series config
11287     filename_base = getCustomArtworkLevelConfigFilename(ARTWORK_TYPE_GRAPHICS);
11288
11289     if (fileExists(filename_base))
11290       LoadMenuDesignSettingsFromFilename(filename_base);
11291   }
11292
11293   filename_local = getCustomArtworkConfigFilename(ARTWORK_TYPE_GRAPHICS);
11294
11295   if (filename_local != NULL && !strEqual(filename_base, filename_local))
11296     LoadMenuDesignSettingsFromFilename(filename_local);
11297
11298   InitMenuDesignSettings_SpecialPostProcessing();
11299 }
11300
11301 void LoadMenuDesignSettings_AfterGraphics(void)
11302 {
11303   InitMenuDesignSettings_SpecialPostProcessing_AfterGraphics();
11304 }
11305
11306 void LoadUserDefinedEditorElementList(int **elements, int *num_elements)
11307 {
11308   char *filename = getEditorSetupFilename();
11309   SetupFileList *setup_file_list, *list;
11310   SetupFileHash *element_hash;
11311   int num_unknown_tokens = 0;
11312   int i;
11313
11314   if ((setup_file_list = loadSetupFileList(filename)) == NULL)
11315     return;
11316
11317   element_hash = newSetupFileHash();
11318
11319   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
11320     setHashEntry(element_hash, element_info[i].token_name, i_to_a(i));
11321
11322   // determined size may be larger than needed (due to unknown elements)
11323   *num_elements = 0;
11324   for (list = setup_file_list; list != NULL; list = list->next)
11325     (*num_elements)++;
11326
11327   // add space for up to 3 more elements for padding that may be needed
11328   *num_elements += 3;
11329
11330   // free memory for old list of elements, if needed
11331   checked_free(*elements);
11332
11333   // allocate memory for new list of elements
11334   *elements = checked_malloc(*num_elements * sizeof(int));
11335
11336   *num_elements = 0;
11337   for (list = setup_file_list; list != NULL; list = list->next)
11338   {
11339     char *value = getHashEntry(element_hash, list->token);
11340
11341     if (value == NULL)          // try to find obsolete token mapping
11342     {
11343       char *mapped_token = get_mapped_token(list->token);
11344
11345       if (mapped_token != NULL)
11346       {
11347         value = getHashEntry(element_hash, mapped_token);
11348
11349         free(mapped_token);
11350       }
11351     }
11352
11353     if (value != NULL)
11354     {
11355       (*elements)[(*num_elements)++] = atoi(value);
11356     }
11357     else
11358     {
11359       if (num_unknown_tokens == 0)
11360       {
11361         Warn("---");
11362         Warn("unknown token(s) found in config file:");
11363         Warn("- config file: '%s'", filename);
11364
11365         num_unknown_tokens++;
11366       }
11367
11368       Warn("- token: '%s'", list->token);
11369     }
11370   }
11371
11372   if (num_unknown_tokens > 0)
11373     Warn("---");
11374
11375   while (*num_elements % 4)     // pad with empty elements, if needed
11376     (*elements)[(*num_elements)++] = EL_EMPTY;
11377
11378   freeSetupFileList(setup_file_list);
11379   freeSetupFileHash(element_hash);
11380
11381 #if 0
11382   for (i = 0; i < *num_elements; i++)
11383     Debug("editor", "element '%s' [%d]\n",
11384           element_info[(*elements)[i]].token_name, (*elements)[i]);
11385 #endif
11386 }
11387
11388 static struct MusicFileInfo *get_music_file_info_ext(char *basename, int music,
11389                                                      boolean is_sound)
11390 {
11391   SetupFileHash *setup_file_hash = NULL;
11392   struct MusicFileInfo tmp_music_file_info, *new_music_file_info;
11393   char *filename_music, *filename_prefix, *filename_info;
11394   struct
11395   {
11396     char *token;
11397     char **value_ptr;
11398   }
11399   token_to_value_ptr[] =
11400   {
11401     { "title_header",   &tmp_music_file_info.title_header       },
11402     { "artist_header",  &tmp_music_file_info.artist_header      },
11403     { "album_header",   &tmp_music_file_info.album_header       },
11404     { "year_header",    &tmp_music_file_info.year_header        },
11405
11406     { "title",          &tmp_music_file_info.title              },
11407     { "artist",         &tmp_music_file_info.artist             },
11408     { "album",          &tmp_music_file_info.album              },
11409     { "year",           &tmp_music_file_info.year               },
11410
11411     { NULL,             NULL                                    },
11412   };
11413   int i;
11414
11415   filename_music = (is_sound ? getCustomSoundFilename(basename) :
11416                     getCustomMusicFilename(basename));
11417
11418   if (filename_music == NULL)
11419     return NULL;
11420
11421   // ---------- try to replace file extension ----------
11422
11423   filename_prefix = getStringCopy(filename_music);
11424   if (strrchr(filename_prefix, '.') != NULL)
11425     *strrchr(filename_prefix, '.') = '\0';
11426   filename_info = getStringCat2(filename_prefix, ".txt");
11427
11428   if (fileExists(filename_info))
11429     setup_file_hash = loadSetupFileHash(filename_info);
11430
11431   free(filename_prefix);
11432   free(filename_info);
11433
11434   if (setup_file_hash == NULL)
11435   {
11436     // ---------- try to add file extension ----------
11437
11438     filename_prefix = getStringCopy(filename_music);
11439     filename_info = getStringCat2(filename_prefix, ".txt");
11440
11441     if (fileExists(filename_info))
11442       setup_file_hash = loadSetupFileHash(filename_info);
11443
11444     free(filename_prefix);
11445     free(filename_info);
11446   }
11447
11448   if (setup_file_hash == NULL)
11449     return NULL;
11450
11451   // ---------- music file info found ----------
11452
11453   clear_mem(&tmp_music_file_info, sizeof(struct MusicFileInfo));
11454
11455   for (i = 0; token_to_value_ptr[i].token != NULL; i++)
11456   {
11457     char *value = getHashEntry(setup_file_hash, token_to_value_ptr[i].token);
11458
11459     *token_to_value_ptr[i].value_ptr =
11460       getStringCopy(value != NULL && *value != '\0' ? value : UNKNOWN_NAME);
11461   }
11462
11463   tmp_music_file_info.basename = getStringCopy(basename);
11464   tmp_music_file_info.music = music;
11465   tmp_music_file_info.is_sound = is_sound;
11466
11467   new_music_file_info = checked_malloc(sizeof(struct MusicFileInfo));
11468   *new_music_file_info = tmp_music_file_info;
11469
11470   return new_music_file_info;
11471 }
11472
11473 static struct MusicFileInfo *get_music_file_info(char *basename, int music)
11474 {
11475   return get_music_file_info_ext(basename, music, FALSE);
11476 }
11477
11478 static struct MusicFileInfo *get_sound_file_info(char *basename, int sound)
11479 {
11480   return get_music_file_info_ext(basename, sound, TRUE);
11481 }
11482
11483 static boolean music_info_listed_ext(struct MusicFileInfo *list,
11484                                      char *basename, boolean is_sound)
11485 {
11486   for (; list != NULL; list = list->next)
11487     if (list->is_sound == is_sound && strEqual(list->basename, basename))
11488       return TRUE;
11489
11490   return FALSE;
11491 }
11492
11493 static boolean music_info_listed(struct MusicFileInfo *list, char *basename)
11494 {
11495   return music_info_listed_ext(list, basename, FALSE);
11496 }
11497
11498 static boolean sound_info_listed(struct MusicFileInfo *list, char *basename)
11499 {
11500   return music_info_listed_ext(list, basename, TRUE);
11501 }
11502
11503 void LoadMusicInfo(void)
11504 {
11505   char *music_directory = getCustomMusicDirectory();
11506   int num_music = getMusicListSize();
11507   int num_music_noconf = 0;
11508   int num_sounds = getSoundListSize();
11509   Directory *dir;
11510   DirectoryEntry *dir_entry;
11511   struct FileInfo *music, *sound;
11512   struct MusicFileInfo *next, **new;
11513   int i;
11514
11515   while (music_file_info != NULL)
11516   {
11517     next = music_file_info->next;
11518
11519     checked_free(music_file_info->basename);
11520
11521     checked_free(music_file_info->title_header);
11522     checked_free(music_file_info->artist_header);
11523     checked_free(music_file_info->album_header);
11524     checked_free(music_file_info->year_header);
11525
11526     checked_free(music_file_info->title);
11527     checked_free(music_file_info->artist);
11528     checked_free(music_file_info->album);
11529     checked_free(music_file_info->year);
11530
11531     free(music_file_info);
11532
11533     music_file_info = next;
11534   }
11535
11536   new = &music_file_info;
11537
11538   for (i = 0; i < num_music; i++)
11539   {
11540     music = getMusicListEntry(i);
11541
11542     if (music->filename == NULL)
11543       continue;
11544
11545     if (strEqual(music->filename, UNDEFINED_FILENAME))
11546       continue;
11547
11548     // a configured file may be not recognized as music
11549     if (!FileIsMusic(music->filename))
11550       continue;
11551
11552     if (!music_info_listed(music_file_info, music->filename))
11553     {
11554       *new = get_music_file_info(music->filename, i);
11555
11556       if (*new != NULL)
11557         new = &(*new)->next;
11558     }
11559   }
11560
11561   if ((dir = openDirectory(music_directory)) == NULL)
11562   {
11563     Warn("cannot read music directory '%s'", music_directory);
11564
11565     return;
11566   }
11567
11568   while ((dir_entry = readDirectory(dir)) != NULL)      // loop all entries
11569   {
11570     char *basename = dir_entry->basename;
11571     boolean music_already_used = FALSE;
11572     int i;
11573
11574     // skip all music files that are configured in music config file
11575     for (i = 0; i < num_music; i++)
11576     {
11577       music = getMusicListEntry(i);
11578
11579       if (music->filename == NULL)
11580         continue;
11581
11582       if (strEqual(basename, music->filename))
11583       {
11584         music_already_used = TRUE;
11585         break;
11586       }
11587     }
11588
11589     if (music_already_used)
11590       continue;
11591
11592     if (!FileIsMusic(dir_entry->filename))
11593       continue;
11594
11595     if (!music_info_listed(music_file_info, basename))
11596     {
11597       *new = get_music_file_info(basename, MAP_NOCONF_MUSIC(num_music_noconf));
11598
11599       if (*new != NULL)
11600         new = &(*new)->next;
11601     }
11602
11603     num_music_noconf++;
11604   }
11605
11606   closeDirectory(dir);
11607
11608   for (i = 0; i < num_sounds; i++)
11609   {
11610     sound = getSoundListEntry(i);
11611
11612     if (sound->filename == NULL)
11613       continue;
11614
11615     if (strEqual(sound->filename, UNDEFINED_FILENAME))
11616       continue;
11617
11618     // a configured file may be not recognized as sound
11619     if (!FileIsSound(sound->filename))
11620       continue;
11621
11622     if (!sound_info_listed(music_file_info, sound->filename))
11623     {
11624       *new = get_sound_file_info(sound->filename, i);
11625       if (*new != NULL)
11626         new = &(*new)->next;
11627     }
11628   }
11629 }
11630
11631 static void add_helpanim_entry(int element, int action, int direction,
11632                                int delay, int *num_list_entries)
11633 {
11634   struct HelpAnimInfo *new_list_entry;
11635   (*num_list_entries)++;
11636
11637   helpanim_info =
11638     checked_realloc(helpanim_info,
11639                     *num_list_entries * sizeof(struct HelpAnimInfo));
11640   new_list_entry = &helpanim_info[*num_list_entries - 1];
11641
11642   new_list_entry->element = element;
11643   new_list_entry->action = action;
11644   new_list_entry->direction = direction;
11645   new_list_entry->delay = delay;
11646 }
11647
11648 static void print_unknown_token(char *filename, char *token, int token_nr)
11649 {
11650   if (token_nr == 0)
11651   {
11652     Warn("---");
11653     Warn("unknown token(s) found in config file:");
11654     Warn("- config file: '%s'", filename);
11655   }
11656
11657   Warn("- token: '%s'", token);
11658 }
11659
11660 static void print_unknown_token_end(int token_nr)
11661 {
11662   if (token_nr > 0)
11663     Warn("---");
11664 }
11665
11666 void LoadHelpAnimInfo(void)
11667 {
11668   char *filename = getHelpAnimFilename();
11669   SetupFileList *setup_file_list = NULL, *list;
11670   SetupFileHash *element_hash, *action_hash, *direction_hash;
11671   int num_list_entries = 0;
11672   int num_unknown_tokens = 0;
11673   int i;
11674
11675   if (fileExists(filename))
11676     setup_file_list = loadSetupFileList(filename);
11677
11678   if (setup_file_list == NULL)
11679   {
11680     // use reliable default values from static configuration
11681     SetupFileList *insert_ptr;
11682
11683     insert_ptr = setup_file_list =
11684       newSetupFileList(helpanim_config[0].token,
11685                        helpanim_config[0].value);
11686
11687     for (i = 1; helpanim_config[i].token; i++)
11688       insert_ptr = addListEntry(insert_ptr,
11689                                 helpanim_config[i].token,
11690                                 helpanim_config[i].value);
11691   }
11692
11693   element_hash   = newSetupFileHash();
11694   action_hash    = newSetupFileHash();
11695   direction_hash = newSetupFileHash();
11696
11697   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
11698     setHashEntry(element_hash, element_info[i].token_name, i_to_a(i));
11699
11700   for (i = 0; i < NUM_ACTIONS; i++)
11701     setHashEntry(action_hash, element_action_info[i].suffix,
11702                  i_to_a(element_action_info[i].value));
11703
11704   // do not store direction index (bit) here, but direction value!
11705   for (i = 0; i < NUM_DIRECTIONS_FULL; i++)
11706     setHashEntry(direction_hash, element_direction_info[i].suffix,
11707                  i_to_a(1 << element_direction_info[i].value));
11708
11709   for (list = setup_file_list; list != NULL; list = list->next)
11710   {
11711     char *element_token, *action_token, *direction_token;
11712     char *element_value, *action_value, *direction_value;
11713     int delay = atoi(list->value);
11714
11715     if (strEqual(list->token, "end"))
11716     {
11717       add_helpanim_entry(HELPANIM_LIST_NEXT, -1, -1, -1, &num_list_entries);
11718
11719       continue;
11720     }
11721
11722     /* first try to break element into element/action/direction parts;
11723        if this does not work, also accept combined "element[.act][.dir]"
11724        elements (like "dynamite.active"), which are unique elements */
11725
11726     if (strchr(list->token, '.') == NULL)       // token contains no '.'
11727     {
11728       element_value = getHashEntry(element_hash, list->token);
11729       if (element_value != NULL)        // element found
11730         add_helpanim_entry(atoi(element_value), -1, -1, delay,
11731                            &num_list_entries);
11732       else
11733       {
11734         // no further suffixes found -- this is not an element
11735         print_unknown_token(filename, list->token, num_unknown_tokens++);
11736       }
11737
11738       continue;
11739     }
11740
11741     // token has format "<prefix>.<something>"
11742
11743     action_token = strchr(list->token, '.');    // suffix may be action ...
11744     direction_token = action_token;             // ... or direction
11745
11746     element_token = getStringCopy(list->token);
11747     *strchr(element_token, '.') = '\0';
11748
11749     element_value = getHashEntry(element_hash, element_token);
11750
11751     if (element_value == NULL)          // this is no element
11752     {
11753       element_value = getHashEntry(element_hash, list->token);
11754       if (element_value != NULL)        // combined element found
11755         add_helpanim_entry(atoi(element_value), -1, -1, delay,
11756                            &num_list_entries);
11757       else
11758         print_unknown_token(filename, list->token, num_unknown_tokens++);
11759
11760       free(element_token);
11761
11762       continue;
11763     }
11764
11765     action_value = getHashEntry(action_hash, action_token);
11766
11767     if (action_value != NULL)           // action found
11768     {
11769       add_helpanim_entry(atoi(element_value), atoi(action_value), -1, delay,
11770                     &num_list_entries);
11771
11772       free(element_token);
11773
11774       continue;
11775     }
11776
11777     direction_value = getHashEntry(direction_hash, direction_token);
11778
11779     if (direction_value != NULL)        // direction found
11780     {
11781       add_helpanim_entry(atoi(element_value), -1, atoi(direction_value), delay,
11782                          &num_list_entries);
11783
11784       free(element_token);
11785
11786       continue;
11787     }
11788
11789     if (strchr(action_token + 1, '.') == NULL)
11790     {
11791       // no further suffixes found -- this is not an action nor direction
11792
11793       element_value = getHashEntry(element_hash, list->token);
11794       if (element_value != NULL)        // combined element found
11795         add_helpanim_entry(atoi(element_value), -1, -1, delay,
11796                            &num_list_entries);
11797       else
11798         print_unknown_token(filename, list->token, num_unknown_tokens++);
11799
11800       free(element_token);
11801
11802       continue;
11803     }
11804
11805     // token has format "<prefix>.<suffix>.<something>"
11806
11807     direction_token = strchr(action_token + 1, '.');
11808
11809     action_token = getStringCopy(action_token);
11810     *strchr(action_token + 1, '.') = '\0';
11811
11812     action_value = getHashEntry(action_hash, action_token);
11813
11814     if (action_value == NULL)           // this is no action
11815     {
11816       element_value = getHashEntry(element_hash, list->token);
11817       if (element_value != NULL)        // combined element found
11818         add_helpanim_entry(atoi(element_value), -1, -1, delay,
11819                            &num_list_entries);
11820       else
11821         print_unknown_token(filename, list->token, num_unknown_tokens++);
11822
11823       free(element_token);
11824       free(action_token);
11825
11826       continue;
11827     }
11828
11829     direction_value = getHashEntry(direction_hash, direction_token);
11830
11831     if (direction_value != NULL)        // direction found
11832     {
11833       add_helpanim_entry(atoi(element_value), atoi(action_value),
11834                          atoi(direction_value), delay, &num_list_entries);
11835
11836       free(element_token);
11837       free(action_token);
11838
11839       continue;
11840     }
11841
11842     // this is no direction
11843
11844     element_value = getHashEntry(element_hash, list->token);
11845     if (element_value != NULL)          // combined element found
11846       add_helpanim_entry(atoi(element_value), -1, -1, delay,
11847                          &num_list_entries);
11848     else
11849       print_unknown_token(filename, list->token, num_unknown_tokens++);
11850
11851     free(element_token);
11852     free(action_token);
11853   }
11854
11855   print_unknown_token_end(num_unknown_tokens);
11856
11857   add_helpanim_entry(HELPANIM_LIST_NEXT, -1, -1, -1, &num_list_entries);
11858   add_helpanim_entry(HELPANIM_LIST_END,  -1, -1, -1, &num_list_entries);
11859
11860   freeSetupFileList(setup_file_list);
11861   freeSetupFileHash(element_hash);
11862   freeSetupFileHash(action_hash);
11863   freeSetupFileHash(direction_hash);
11864
11865 #if 0
11866   for (i = 0; i < num_list_entries; i++)
11867     Debug("files:LoadHelpAnimInfo", "'%s': %d, %d, %d => %d",
11868           EL_NAME(helpanim_info[i].element),
11869           helpanim_info[i].element,
11870           helpanim_info[i].action,
11871           helpanim_info[i].direction,
11872           helpanim_info[i].delay);
11873 #endif
11874 }
11875
11876 void LoadHelpTextInfo(void)
11877 {
11878   char *filename = getHelpTextFilename();
11879   int i;
11880
11881   if (helptext_info != NULL)
11882   {
11883     freeSetupFileHash(helptext_info);
11884     helptext_info = NULL;
11885   }
11886
11887   if (fileExists(filename))
11888     helptext_info = loadSetupFileHash(filename);
11889
11890   if (helptext_info == NULL)
11891   {
11892     // use reliable default values from static configuration
11893     helptext_info = newSetupFileHash();
11894
11895     for (i = 0; helptext_config[i].token; i++)
11896       setHashEntry(helptext_info,
11897                    helptext_config[i].token,
11898                    helptext_config[i].value);
11899   }
11900
11901 #if 0
11902   BEGIN_HASH_ITERATION(helptext_info, itr)
11903   {
11904     Debug("files:LoadHelpTextInfo", "'%s' => '%s'",
11905           HASH_ITERATION_TOKEN(itr), HASH_ITERATION_VALUE(itr));
11906   }
11907   END_HASH_ITERATION(hash, itr)
11908 #endif
11909 }
11910
11911
11912 // ----------------------------------------------------------------------------
11913 // convert levels
11914 // ----------------------------------------------------------------------------
11915
11916 #define MAX_NUM_CONVERT_LEVELS          1000
11917
11918 void ConvertLevels(void)
11919 {
11920   static LevelDirTree *convert_leveldir = NULL;
11921   static int convert_level_nr = -1;
11922   static int num_levels_handled = 0;
11923   static int num_levels_converted = 0;
11924   static boolean levels_failed[MAX_NUM_CONVERT_LEVELS];
11925   int i;
11926
11927   convert_leveldir = getTreeInfoFromIdentifier(leveldir_first,
11928                                                global.convert_leveldir);
11929
11930   if (convert_leveldir == NULL)
11931     Fail("no such level identifier: '%s'", global.convert_leveldir);
11932
11933   leveldir_current = convert_leveldir;
11934
11935   if (global.convert_level_nr != -1)
11936   {
11937     convert_leveldir->first_level = global.convert_level_nr;
11938     convert_leveldir->last_level  = global.convert_level_nr;
11939   }
11940
11941   convert_level_nr = convert_leveldir->first_level;
11942
11943   PrintLine("=", 79);
11944   Print("Converting levels\n");
11945   PrintLine("-", 79);
11946   Print("Level series identifier: '%s'\n", convert_leveldir->identifier);
11947   Print("Level series name:       '%s'\n", convert_leveldir->name);
11948   Print("Level series author:     '%s'\n", convert_leveldir->author);
11949   Print("Number of levels:        %d\n",   convert_leveldir->levels);
11950   PrintLine("=", 79);
11951   Print("\n");
11952
11953   for (i = 0; i < MAX_NUM_CONVERT_LEVELS; i++)
11954     levels_failed[i] = FALSE;
11955
11956   while (convert_level_nr <= convert_leveldir->last_level)
11957   {
11958     char *level_filename;
11959     boolean new_level;
11960
11961     level_nr = convert_level_nr++;
11962
11963     Print("Level %03d: ", level_nr);
11964
11965     LoadLevel(level_nr);
11966     if (level.no_level_file || level.no_valid_file)
11967     {
11968       Print("(no level)\n");
11969       continue;
11970     }
11971
11972     Print("converting level ... ");
11973
11974     level_filename = getDefaultLevelFilename(level_nr);
11975     new_level = !fileExists(level_filename);
11976
11977     if (new_level)
11978     {
11979       SaveLevel(level_nr);
11980
11981       num_levels_converted++;
11982
11983       Print("converted.\n");
11984     }
11985     else
11986     {
11987       if (level_nr >= 0 && level_nr < MAX_NUM_CONVERT_LEVELS)
11988         levels_failed[level_nr] = TRUE;
11989
11990       Print("NOT CONVERTED -- LEVEL ALREADY EXISTS.\n");
11991     }
11992
11993     num_levels_handled++;
11994   }
11995
11996   Print("\n");
11997   PrintLine("=", 79);
11998   Print("Number of levels handled: %d\n", num_levels_handled);
11999   Print("Number of levels converted: %d (%d%%)\n", num_levels_converted,
12000          (num_levels_handled ?
12001           num_levels_converted * 100 / num_levels_handled : 0));
12002   PrintLine("-", 79);
12003   Print("Summary (for automatic parsing by scripts):\n");
12004   Print("LEVELDIR '%s', CONVERTED %d/%d (%d%%)",
12005          convert_leveldir->identifier, num_levels_converted,
12006          num_levels_handled,
12007          (num_levels_handled ?
12008           num_levels_converted * 100 / num_levels_handled : 0));
12009
12010   if (num_levels_handled != num_levels_converted)
12011   {
12012     Print(", FAILED:");
12013     for (i = 0; i < MAX_NUM_CONVERT_LEVELS; i++)
12014       if (levels_failed[i])
12015         Print(" %03d", i);
12016   }
12017
12018   Print("\n");
12019   PrintLine("=", 79);
12020
12021   CloseAllAndExit(0);
12022 }
12023
12024
12025 // ----------------------------------------------------------------------------
12026 // create and save images for use in level sketches (raw BMP format)
12027 // ----------------------------------------------------------------------------
12028
12029 void CreateLevelSketchImages(void)
12030 {
12031   Bitmap *bitmap1;
12032   Bitmap *bitmap2;
12033   int i;
12034
12035   InitElementPropertiesGfxElement();
12036
12037   bitmap1 = CreateBitmap(TILEX, TILEY, DEFAULT_DEPTH);
12038   bitmap2 = CreateBitmap(MINI_TILEX, MINI_TILEY, DEFAULT_DEPTH);
12039
12040   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
12041   {
12042     int element = getMappedElement(i);
12043     char basename1[16];
12044     char basename2[16];
12045     char *filename1;
12046     char *filename2;
12047
12048     sprintf(basename1, "%04d.bmp", i);
12049     sprintf(basename2, "%04ds.bmp", i);
12050
12051     filename1 = getPath2(global.create_images_dir, basename1);
12052     filename2 = getPath2(global.create_images_dir, basename2);
12053
12054     DrawSizedElement(0, 0, element, TILESIZE);
12055     BlitBitmap(drawto, bitmap1, SX, SY, TILEX, TILEY, 0, 0);
12056
12057     if (SDL_SaveBMP(bitmap1->surface, filename1) != 0)
12058       Fail("cannot save level sketch image file '%s'", filename1);
12059
12060     DrawSizedElement(0, 0, element, MINI_TILESIZE);
12061     BlitBitmap(drawto, bitmap2, SX, SY, MINI_TILEX, MINI_TILEY, 0, 0);
12062
12063     if (SDL_SaveBMP(bitmap2->surface, filename2) != 0)
12064       Fail("cannot save level sketch image file '%s'", filename2);
12065
12066     free(filename1);
12067     free(filename2);
12068
12069     // create corresponding SQL statements (for normal and small images)
12070     if (i < 1000)
12071     {
12072       printf("insert into phpbb_words values (NULL, '`%03d', '<IMG class=\"levelsketch\" src=\"/I/%04d.png\"/>');\n", i, i);
12073       printf("insert into phpbb_words values (NULL, '¸%03d', '<IMG class=\"levelsketch\" src=\"/I/%04ds.png\"/>');\n", i, i);
12074     }
12075
12076     printf("insert into phpbb_words values (NULL, '`%04d', '<IMG class=\"levelsketch\" src=\"/I/%04d.png\"/>');\n", i, i);
12077     printf("insert into phpbb_words values (NULL, '¸%04d', '<IMG class=\"levelsketch\" src=\"/I/%04ds.png\"/>');\n", i, i);
12078
12079     // optional: create content for forum level sketch demonstration post
12080     if (options.debug)
12081       fprintf(stderr, "%03d `%03d%c", i, i, (i % 10 < 9 ? ' ' : '\n'));
12082   }
12083
12084   FreeBitmap(bitmap1);
12085   FreeBitmap(bitmap2);
12086
12087   if (options.debug)
12088     fprintf(stderr, "\n");
12089
12090   Info("%d normal and small images created", NUM_FILE_ELEMENTS);
12091
12092   CloseAllAndExit(0);
12093 }
12094
12095
12096 // ----------------------------------------------------------------------------
12097 // create and save images for custom and group elements (raw BMP format)
12098 // ----------------------------------------------------------------------------
12099
12100 void CreateCustomElementImages(char *directory)
12101 {
12102   char *src_basename = "RocksCE-template.ilbm";
12103   char *dst_basename = "RocksCE.bmp";
12104   char *src_filename = getPath2(directory, src_basename);
12105   char *dst_filename = getPath2(directory, dst_basename);
12106   Bitmap *src_bitmap;
12107   Bitmap *bitmap;
12108   int yoffset_ce = 0;
12109   int yoffset_ge = (TILEY * NUM_CUSTOM_ELEMENTS / 16);
12110   int i;
12111
12112   InitVideoDefaults();
12113
12114   ReCreateBitmap(&backbuffer, video.width, video.height);
12115
12116   src_bitmap = LoadImage(src_filename);
12117
12118   bitmap = CreateBitmap(TILEX * 16 * 2,
12119                         TILEY * (NUM_CUSTOM_ELEMENTS + NUM_GROUP_ELEMENTS) / 16,
12120                         DEFAULT_DEPTH);
12121
12122   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
12123   {
12124     int x = i % 16;
12125     int y = i / 16;
12126     int ii = i + 1;
12127     int j;
12128
12129     BlitBitmap(src_bitmap, bitmap, 0, 0, TILEX, TILEY,
12130                TILEX * x, TILEY * y + yoffset_ce);
12131
12132     BlitBitmap(src_bitmap, bitmap, 0, TILEY,
12133                TILEX, TILEY,
12134                TILEX * x + TILEX * 16,
12135                TILEY * y + yoffset_ce);
12136
12137     for (j = 2; j >= 0; j--)
12138     {
12139       int c = ii % 10;
12140
12141       BlitBitmap(src_bitmap, bitmap,
12142                  TILEX + c * 7, 0, 6, 10,
12143                  TILEX * x + 6 + j * 7,
12144                  TILEY * y + 11 + yoffset_ce);
12145
12146       BlitBitmap(src_bitmap, bitmap,
12147                  TILEX + c * 8, TILEY, 6, 10,
12148                  TILEX * 16 + TILEX * x + 6 + j * 8,
12149                  TILEY * y + 10 + yoffset_ce);
12150
12151       ii /= 10;
12152     }
12153   }
12154
12155   for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
12156   {
12157     int x = i % 16;
12158     int y = i / 16;
12159     int ii = i + 1;
12160     int j;
12161
12162     BlitBitmap(src_bitmap, bitmap, 0, 0, TILEX, TILEY,
12163                TILEX * x, TILEY * y + yoffset_ge);
12164
12165     BlitBitmap(src_bitmap, bitmap, 0, TILEY,
12166                TILEX, TILEY,
12167                TILEX * x + TILEX * 16,
12168                TILEY * y + yoffset_ge);
12169
12170     for (j = 1; j >= 0; j--)
12171     {
12172       int c = ii % 10;
12173
12174       BlitBitmap(src_bitmap, bitmap, TILEX + c * 10, 11, 10, 10,
12175                  TILEX * x + 6 + j * 10,
12176                  TILEY * y + 11 + yoffset_ge);
12177
12178       BlitBitmap(src_bitmap, bitmap,
12179                  TILEX + c * 8, TILEY + 12, 6, 10,
12180                  TILEX * 16 + TILEX * x + 10 + j * 8,
12181                  TILEY * y + 10 + yoffset_ge);
12182
12183       ii /= 10;
12184     }
12185   }
12186
12187   if (SDL_SaveBMP(bitmap->surface, dst_filename) != 0)
12188     Fail("cannot save CE graphics file '%s'", dst_filename);
12189
12190   FreeBitmap(bitmap);
12191
12192   CloseAllAndExit(0);
12193 }