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   printf("::: tape file version: %d\n",   tape.file_version);
8057   printf("::: tape game version: %d\n",   tape.game_version);
8058   printf("::: tape engine version: %d\n", tape.engine_version);
8059 #endif
8060 }
8061
8062 void LoadTape(int nr)
8063 {
8064   char *filename = getTapeFilename(nr);
8065
8066   LoadTapeFromFilename(filename);
8067 }
8068
8069 void LoadSolutionTape(int nr)
8070 {
8071   char *filename = getSolutionTapeFilename(nr);
8072
8073   LoadTapeFromFilename(filename);
8074
8075   if (TAPE_IS_EMPTY(tape) &&
8076       level.game_engine_type == GAME_ENGINE_TYPE_SP &&
8077       level.native_sp_level->demo.is_available)
8078     CopyNativeTape_SP_to_RND(&level);
8079 }
8080
8081 static void SaveTape_VERS(FILE *file, struct TapeInfo *tape)
8082 {
8083   putFileVersion(file, tape->file_version);
8084   putFileVersion(file, tape->game_version);
8085 }
8086
8087 static void SaveTape_HEAD(FILE *file, struct TapeInfo *tape)
8088 {
8089   int i;
8090   byte store_participating_players = 0;
8091
8092   // set bits for participating players for compact storage
8093   for (i = 0; i < MAX_PLAYERS; i++)
8094     if (tape->player_participates[i])
8095       store_participating_players |= (1 << i);
8096
8097   putFile32BitBE(file, tape->random_seed);
8098   putFile32BitBE(file, tape->date);
8099   putFile32BitBE(file, tape->length);
8100
8101   putFile8Bit(file, store_participating_players);
8102
8103   putFile8Bit(file, getTapeActionValue(tape));
8104
8105   putFile8Bit(file, tape->property_bits);
8106
8107   // unused bytes not at the end here for 4-byte alignment of engine_version
8108   WriteUnusedBytesToFile(file, TAPE_CHUNK_HEAD_UNUSED);
8109
8110   putFileVersion(file, tape->engine_version);
8111 }
8112
8113 static void SaveTape_INFO(FILE *file, struct TapeInfo *tape)
8114 {
8115   int level_identifier_size = strlen(tape->level_identifier) + 1;
8116   int i;
8117
8118   putFile16BitBE(file, level_identifier_size);
8119
8120   for (i = 0; i < level_identifier_size; i++)
8121     putFile8Bit(file, tape->level_identifier[i]);
8122
8123   putFile16BitBE(file, tape->level_nr);
8124 }
8125
8126 static void SaveTape_BODY(FILE *file, struct TapeInfo *tape)
8127 {
8128   int i, j;
8129
8130   for (i = 0; i < tape->length; i++)
8131   {
8132     if (tape->use_key_actions)
8133     {
8134       for (j = 0; j < MAX_PLAYERS; j++)
8135         if (tape->player_participates[j])
8136           putFile8Bit(file, tape->pos[i].action[j]);
8137     }
8138
8139     if (tape->use_mouse_actions)
8140     {
8141       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_LX]);
8142       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_LY]);
8143       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_BUTTON]);
8144     }
8145
8146     putFile8Bit(file, tape->pos[i].delay);
8147   }
8148 }
8149
8150 void SaveTapeToFilename(char *filename)
8151 {
8152   FILE *file;
8153   int tape_pos_size;
8154   int info_chunk_size;
8155   int body_chunk_size;
8156
8157   if (!(file = fopen(filename, MODE_WRITE)))
8158   {
8159     Warn("cannot save level recording file '%s'", filename);
8160
8161     return;
8162   }
8163
8164   tape_pos_size = getTapePosSize(&tape);
8165
8166   info_chunk_size = 2 + (strlen(tape.level_identifier) + 1) + 2;
8167   body_chunk_size = tape_pos_size * tape.length;
8168
8169   putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
8170   putFileChunkBE(file, "TAPE", CHUNK_SIZE_NONE);
8171
8172   putFileChunkBE(file, "VERS", TAPE_CHUNK_VERS_SIZE);
8173   SaveTape_VERS(file, &tape);
8174
8175   putFileChunkBE(file, "HEAD", TAPE_CHUNK_HEAD_SIZE);
8176   SaveTape_HEAD(file, &tape);
8177
8178   putFileChunkBE(file, "INFO", info_chunk_size);
8179   SaveTape_INFO(file, &tape);
8180
8181   putFileChunkBE(file, "BODY", body_chunk_size);
8182   SaveTape_BODY(file, &tape);
8183
8184   fclose(file);
8185
8186   SetFilePermissions(filename, PERMS_PRIVATE);
8187 }
8188
8189 void SaveTape(int nr)
8190 {
8191   char *filename = getTapeFilename(nr);
8192   int i;
8193
8194   InitTapeDirectory(leveldir_current->subdir);
8195
8196   tape.file_version = FILE_VERSION_ACTUAL;
8197   tape.game_version = GAME_VERSION_ACTUAL;
8198
8199   tape.num_participating_players = 0;
8200
8201   // count number of participating players
8202   for (i = 0; i < MAX_PLAYERS; i++)
8203     if (tape.player_participates[i])
8204       tape.num_participating_players++;
8205
8206   SaveTapeToFilename(filename);
8207
8208   tape.changed = FALSE;
8209 }
8210
8211 static boolean SaveTapeCheckedExt(int nr, char *msg_replace, char *msg_saved,
8212                                   unsigned int req_state_added)
8213 {
8214   char *filename = getTapeFilename(nr);
8215   boolean new_tape = !fileExists(filename);
8216   boolean tape_saved = FALSE;
8217
8218   if (new_tape || Request(msg_replace, REQ_ASK | req_state_added))
8219   {
8220     SaveTape(nr);
8221
8222     if (new_tape)
8223       Request(msg_saved, REQ_CONFIRM | req_state_added);
8224
8225     tape_saved = TRUE;
8226   }
8227
8228   return tape_saved;
8229 }
8230
8231 boolean SaveTapeChecked(int nr)
8232 {
8233   return SaveTapeCheckedExt(nr, "Replace old tape?", "Tape saved!", 0);
8234 }
8235
8236 boolean SaveTapeChecked_LevelSolved(int nr)
8237 {
8238   return SaveTapeCheckedExt(nr, "Level solved! Replace old tape?",
8239                                 "Level solved! Tape saved!", REQ_STAY_OPEN);
8240 }
8241
8242 void DumpTape(struct TapeInfo *tape)
8243 {
8244   int tape_frame_counter;
8245   int i, j;
8246
8247   if (tape->no_valid_file)
8248   {
8249     Warn("cannot dump -- no valid tape file found");
8250
8251     return;
8252   }
8253
8254   PrintLine("-", 79);
8255   Print("Tape of Level %03d (file version %08d, game version %08d)\n",
8256         tape->level_nr, tape->file_version, tape->game_version);
8257   Print("                  (effective engine version %08d)\n",
8258         tape->engine_version);
8259   Print("Level series identifier: '%s'\n", tape->level_identifier);
8260   PrintLine("-", 79);
8261
8262   tape_frame_counter = 0;
8263
8264   for (i = 0; i < tape->length; i++)
8265   {
8266     if (i >= MAX_TAPE_LEN)
8267       break;
8268
8269     Print("%04d: ", i);
8270
8271     for (j = 0; j < MAX_PLAYERS; j++)
8272     {
8273       if (tape->player_participates[j])
8274       {
8275         int action = tape->pos[i].action[j];
8276
8277         Print("%d:%02x ", j, action);
8278         Print("[%c%c%c%c|%c%c] - ",
8279               (action & JOY_LEFT ? '<' : ' '),
8280               (action & JOY_RIGHT ? '>' : ' '),
8281               (action & JOY_UP ? '^' : ' '),
8282               (action & JOY_DOWN ? 'v' : ' '),
8283               (action & JOY_BUTTON_1 ? '1' : ' '),
8284               (action & JOY_BUTTON_2 ? '2' : ' '));
8285       }
8286     }
8287
8288     Print("(%03d) ", tape->pos[i].delay);
8289     Print("[%05d]\n", tape_frame_counter);
8290
8291     tape_frame_counter += tape->pos[i].delay;
8292   }
8293
8294   PrintLine("-", 79);
8295 }
8296
8297
8298 // ============================================================================
8299 // score file functions
8300 // ============================================================================
8301
8302 void LoadScore(int nr)
8303 {
8304   int i;
8305   char *filename = getScoreFilename(nr);
8306   char cookie[MAX_LINE_LEN];
8307   char line[MAX_LINE_LEN];
8308   char *line_ptr;
8309   FILE *file;
8310
8311   // always start with reliable default values
8312   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8313   {
8314     strcpy(highscore[i].Name, EMPTY_PLAYER_NAME);
8315     highscore[i].Score = 0;
8316   }
8317
8318   if (!(file = fopen(filename, MODE_READ)))
8319     return;
8320
8321   // check file identifier
8322   if (fgets(cookie, MAX_LINE_LEN, file) == NULL)
8323     cookie[0] = '\0';
8324   if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
8325     cookie[strlen(cookie) - 1] = '\0';
8326
8327   if (!checkCookieString(cookie, SCORE_COOKIE))
8328   {
8329     Warn("unknown format of score file '%s'", filename);
8330
8331     fclose(file);
8332
8333     return;
8334   }
8335
8336   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8337   {
8338     if (fscanf(file, "%d", &highscore[i].Score) == EOF)
8339       Warn("fscanf() failed; %s", strerror(errno));
8340
8341     if (fgets(line, MAX_LINE_LEN, file) == NULL)
8342       line[0] = '\0';
8343
8344     if (strlen(line) > 0 && line[strlen(line) - 1] == '\n')
8345       line[strlen(line) - 1] = '\0';
8346
8347     for (line_ptr = line; *line_ptr; line_ptr++)
8348     {
8349       if (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
8350       {
8351         strncpy(highscore[i].Name, line_ptr, MAX_PLAYER_NAME_LEN);
8352         highscore[i].Name[MAX_PLAYER_NAME_LEN] = '\0';
8353         break;
8354       }
8355     }
8356   }
8357
8358   fclose(file);
8359 }
8360
8361 void SaveScore(int nr)
8362 {
8363   int i;
8364   int permissions = (program.global_scores ? PERMS_PUBLIC : PERMS_PRIVATE);
8365   char *filename = getScoreFilename(nr);
8366   FILE *file;
8367
8368   // used instead of "leveldir_current->subdir" (for network games)
8369   InitScoreDirectory(levelset.identifier);
8370
8371   if (!(file = fopen(filename, MODE_WRITE)))
8372   {
8373     Warn("cannot save score for level %d", nr);
8374
8375     return;
8376   }
8377
8378   fprintf(file, "%s\n\n", SCORE_COOKIE);
8379
8380   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8381     fprintf(file, "%d %s\n", highscore[i].Score, highscore[i].Name);
8382
8383   fclose(file);
8384
8385   SetFilePermissions(filename, permissions);
8386 }
8387
8388
8389 // ============================================================================
8390 // setup file functions
8391 // ============================================================================
8392
8393 #define TOKEN_STR_PLAYER_PREFIX                 "player_"
8394
8395
8396 static struct TokenInfo global_setup_tokens[] =
8397 {
8398   {
8399     TYPE_STRING,
8400     &setup.player_name,                         "player_name"
8401   },
8402   {
8403     TYPE_SWITCH,
8404     &setup.sound,                               "sound"
8405   },
8406   {
8407     TYPE_SWITCH,
8408     &setup.sound_loops,                         "repeating_sound_loops"
8409   },
8410   {
8411     TYPE_SWITCH,
8412     &setup.sound_music,                         "background_music"
8413   },
8414   {
8415     TYPE_SWITCH,
8416     &setup.sound_simple,                        "simple_sound_effects"
8417   },
8418   {
8419     TYPE_SWITCH,
8420     &setup.toons,                               "toons"
8421   },
8422   {
8423     TYPE_SWITCH,
8424     &setup.scroll_delay,                        "scroll_delay"
8425   },
8426   {
8427     TYPE_SWITCH,
8428     &setup.forced_scroll_delay,                 "forced_scroll_delay"
8429   },
8430   {
8431     TYPE_INTEGER,
8432     &setup.scroll_delay_value,                  "scroll_delay_value"
8433   },
8434   {
8435     TYPE_STRING,
8436     &setup.engine_snapshot_mode,                "engine_snapshot_mode"
8437   },
8438   {
8439     TYPE_INTEGER,
8440     &setup.engine_snapshot_memory,              "engine_snapshot_memory"
8441   },
8442   {
8443     TYPE_SWITCH,
8444     &setup.fade_screens,                        "fade_screens"
8445   },
8446   {
8447     TYPE_SWITCH,
8448     &setup.autorecord,                          "automatic_tape_recording"
8449   },
8450   {
8451     TYPE_SWITCH,
8452     &setup.show_titlescreen,                    "show_titlescreen"
8453   },
8454   {
8455     TYPE_SWITCH,
8456     &setup.quick_doors,                         "quick_doors"
8457   },
8458   {
8459     TYPE_SWITCH,
8460     &setup.team_mode,                           "team_mode"
8461   },
8462   {
8463     TYPE_SWITCH,
8464     &setup.handicap,                            "handicap"
8465   },
8466   {
8467     TYPE_SWITCH,
8468     &setup.skip_levels,                         "skip_levels"
8469   },
8470   {
8471     TYPE_SWITCH,
8472     &setup.increment_levels,                    "increment_levels"
8473   },
8474   {
8475     TYPE_SWITCH,
8476     &setup.auto_play_next_level,                "auto_play_next_level"
8477   },
8478   {
8479     TYPE_SWITCH,
8480     &setup.skip_scores_after_game,              "skip_scores_after_game"
8481   },
8482   {
8483     TYPE_SWITCH,
8484     &setup.time_limit,                          "time_limit"
8485   },
8486   {
8487     TYPE_SWITCH,
8488     &setup.fullscreen,                          "fullscreen"
8489   },
8490   {
8491     TYPE_INTEGER,
8492     &setup.window_scaling_percent,              "window_scaling_percent"
8493   },
8494   {
8495     TYPE_STRING,
8496     &setup.window_scaling_quality,              "window_scaling_quality"
8497   },
8498   {
8499     TYPE_STRING,
8500     &setup.screen_rendering_mode,               "screen_rendering_mode"
8501   },
8502   {
8503     TYPE_STRING,
8504     &setup.vsync_mode,                          "vsync_mode"
8505   },
8506   {
8507     TYPE_SWITCH,
8508     &setup.ask_on_escape,                       "ask_on_escape"
8509   },
8510   {
8511     TYPE_SWITCH,
8512     &setup.ask_on_escape_editor,                "ask_on_escape_editor"
8513   },
8514   {
8515     TYPE_SWITCH,
8516     &setup.ask_on_game_over,                    "ask_on_game_over"
8517   },
8518   {
8519     TYPE_SWITCH,
8520     &setup.quick_switch,                        "quick_player_switch"
8521   },
8522   {
8523     TYPE_SWITCH,
8524     &setup.input_on_focus,                      "input_on_focus"
8525   },
8526   {
8527     TYPE_SWITCH,
8528     &setup.prefer_aga_graphics,                 "prefer_aga_graphics"
8529   },
8530   {
8531     TYPE_SWITCH,
8532     &setup.prefer_lowpass_sounds,               "prefer_lowpass_sounds"
8533   },
8534   {
8535     TYPE_SWITCH,
8536     &setup.game_speed_extended,                 "game_speed_extended"
8537   },
8538   {
8539     TYPE_INTEGER,
8540     &setup.game_frame_delay,                    "game_frame_delay"
8541   },
8542   {
8543     TYPE_SWITCH,
8544     &setup.sp_show_border_elements,             "sp_show_border_elements"
8545   },
8546   {
8547     TYPE_SWITCH,
8548     &setup.small_game_graphics,                 "small_game_graphics"
8549   },
8550   {
8551     TYPE_SWITCH,
8552     &setup.show_snapshot_buttons,               "show_snapshot_buttons"
8553   },
8554   {
8555     TYPE_STRING,
8556     &setup.graphics_set,                        "graphics_set"
8557   },
8558   {
8559     TYPE_STRING,
8560     &setup.sounds_set,                          "sounds_set"
8561   },
8562   {
8563     TYPE_STRING,
8564     &setup.music_set,                           "music_set"
8565   },
8566   {
8567     TYPE_SWITCH3,
8568     &setup.override_level_graphics,             "override_level_graphics"
8569   },
8570   {
8571     TYPE_SWITCH3,
8572     &setup.override_level_sounds,               "override_level_sounds"
8573   },
8574   {
8575     TYPE_SWITCH3,
8576     &setup.override_level_music,                "override_level_music"
8577   },
8578   {
8579     TYPE_INTEGER,
8580     &setup.volume_simple,                       "volume_simple"
8581   },
8582   {
8583     TYPE_INTEGER,
8584     &setup.volume_loops,                        "volume_loops"
8585   },
8586   {
8587     TYPE_INTEGER,
8588     &setup.volume_music,                        "volume_music"
8589   },
8590   {
8591     TYPE_SWITCH,
8592     &setup.network_mode,                        "network_mode"
8593   },
8594   {
8595     TYPE_PLAYER,
8596     &setup.network_player_nr,                   "network_player"
8597   },
8598   {
8599     TYPE_STRING,
8600     &setup.network_server_hostname,             "network_server_hostname"
8601   },
8602   {
8603     TYPE_STRING,
8604     &setup.touch.control_type,                  "touch.control_type"
8605   },
8606   {
8607     TYPE_INTEGER,
8608     &setup.touch.move_distance,                 "touch.move_distance"
8609   },
8610   {
8611     TYPE_INTEGER,
8612     &setup.touch.drop_distance,                 "touch.drop_distance"
8613   },
8614   {
8615     TYPE_INTEGER,
8616     &setup.touch.transparency,                  "touch.transparency"
8617   },
8618   {
8619     TYPE_INTEGER,
8620     &setup.touch.draw_outlined,                 "touch.draw_outlined"
8621   },
8622   {
8623     TYPE_INTEGER,
8624     &setup.touch.draw_pressed,                  "touch.draw_pressed"
8625   },
8626   {
8627     TYPE_INTEGER,
8628     &setup.touch.grid_xsize[0],                 "touch.virtual_buttons.0.xsize"
8629   },
8630   {
8631     TYPE_INTEGER,
8632     &setup.touch.grid_ysize[0],                 "touch.virtual_buttons.0.ysize"
8633   },
8634   {
8635     TYPE_INTEGER,
8636     &setup.touch.grid_xsize[1],                 "touch.virtual_buttons.1.xsize"
8637   },
8638   {
8639     TYPE_INTEGER,
8640     &setup.touch.grid_ysize[1],                 "touch.virtual_buttons.1.ysize"
8641   },
8642 };
8643
8644 static struct TokenInfo auto_setup_tokens[] =
8645 {
8646   {
8647     TYPE_INTEGER,
8648     &setup.auto_setup.editor_zoom_tilesize,     "editor.zoom_tilesize"
8649   },
8650 };
8651
8652 static struct TokenInfo editor_setup_tokens[] =
8653 {
8654   {
8655     TYPE_SWITCH,
8656     &setup.editor.el_classic,                   "editor.el_classic"
8657   },
8658   {
8659     TYPE_SWITCH,
8660     &setup.editor.el_custom,                    "editor.el_custom"
8661   },
8662   {
8663     TYPE_SWITCH,
8664     &setup.editor.el_user_defined,              "editor.el_user_defined"
8665   },
8666   {
8667     TYPE_SWITCH,
8668     &setup.editor.el_dynamic,                   "editor.el_dynamic"
8669   },
8670   {
8671     TYPE_SWITCH,
8672     &setup.editor.el_headlines,                 "editor.el_headlines"
8673   },
8674   {
8675     TYPE_SWITCH,
8676     &setup.editor.show_element_token,           "editor.show_element_token"
8677   },
8678 };
8679
8680 static struct TokenInfo editor_cascade_setup_tokens[] =
8681 {
8682   {
8683     TYPE_SWITCH,
8684     &setup.editor_cascade.el_bd,                "editor.cascade.el_bd"
8685   },
8686   {
8687     TYPE_SWITCH,
8688     &setup.editor_cascade.el_em,                "editor.cascade.el_em"
8689   },
8690   {
8691     TYPE_SWITCH,
8692     &setup.editor_cascade.el_emc,               "editor.cascade.el_emc"
8693   },
8694   {
8695     TYPE_SWITCH,
8696     &setup.editor_cascade.el_rnd,               "editor.cascade.el_rnd"
8697   },
8698   {
8699     TYPE_SWITCH,
8700     &setup.editor_cascade.el_sb,                "editor.cascade.el_sb"
8701   },
8702   {
8703     TYPE_SWITCH,
8704     &setup.editor_cascade.el_sp,                "editor.cascade.el_sp"
8705   },
8706   {
8707     TYPE_SWITCH,
8708     &setup.editor_cascade.el_dc,                "editor.cascade.el_dc"
8709   },
8710   {
8711     TYPE_SWITCH,
8712     &setup.editor_cascade.el_dx,                "editor.cascade.el_dx"
8713   },
8714   {
8715     TYPE_SWITCH,
8716     &setup.editor_cascade.el_mm,                "editor.cascade.el_mm"
8717   },
8718   {
8719     TYPE_SWITCH,
8720     &setup.editor_cascade.el_df,                "editor.cascade.el_df"
8721   },
8722   {
8723     TYPE_SWITCH,
8724     &setup.editor_cascade.el_chars,             "editor.cascade.el_chars"
8725   },
8726   {
8727     TYPE_SWITCH,
8728     &setup.editor_cascade.el_steel_chars,       "editor.cascade.el_steel_chars"
8729   },
8730   {
8731     TYPE_SWITCH,
8732     &setup.editor_cascade.el_ce,                "editor.cascade.el_ce"
8733   },
8734   {
8735     TYPE_SWITCH,
8736     &setup.editor_cascade.el_ge,                "editor.cascade.el_ge"
8737   },
8738   {
8739     TYPE_SWITCH,
8740     &setup.editor_cascade.el_ref,               "editor.cascade.el_ref"
8741   },
8742   {
8743     TYPE_SWITCH,
8744     &setup.editor_cascade.el_user,              "editor.cascade.el_user"
8745   },
8746   {
8747     TYPE_SWITCH,
8748     &setup.editor_cascade.el_dynamic,           "editor.cascade.el_dynamic"
8749   },
8750 };
8751
8752 static struct TokenInfo shortcut_setup_tokens[] =
8753 {
8754   {
8755     TYPE_KEY_X11,
8756     &setup.shortcut.save_game,                  "shortcut.save_game"
8757   },
8758   {
8759     TYPE_KEY_X11,
8760     &setup.shortcut.load_game,                  "shortcut.load_game"
8761   },
8762   {
8763     TYPE_KEY_X11,
8764     &setup.shortcut.toggle_pause,               "shortcut.toggle_pause"
8765   },
8766   {
8767     TYPE_KEY_X11,
8768     &setup.shortcut.focus_player[0],            "shortcut.focus_player_1"
8769   },
8770   {
8771     TYPE_KEY_X11,
8772     &setup.shortcut.focus_player[1],            "shortcut.focus_player_2"
8773   },
8774   {
8775     TYPE_KEY_X11,
8776     &setup.shortcut.focus_player[2],            "shortcut.focus_player_3"
8777   },
8778   {
8779     TYPE_KEY_X11,
8780     &setup.shortcut.focus_player[3],            "shortcut.focus_player_4"
8781   },
8782   {
8783     TYPE_KEY_X11,
8784     &setup.shortcut.focus_player_all,           "shortcut.focus_player_all"
8785   },
8786   {
8787     TYPE_KEY_X11,
8788     &setup.shortcut.tape_eject,                 "shortcut.tape_eject"
8789   },
8790   {
8791     TYPE_KEY_X11,
8792     &setup.shortcut.tape_extra,                 "shortcut.tape_extra"
8793   },
8794   {
8795     TYPE_KEY_X11,
8796     &setup.shortcut.tape_stop,                  "shortcut.tape_stop"
8797   },
8798   {
8799     TYPE_KEY_X11,
8800     &setup.shortcut.tape_pause,                 "shortcut.tape_pause"
8801   },
8802   {
8803     TYPE_KEY_X11,
8804     &setup.shortcut.tape_record,                "shortcut.tape_record"
8805   },
8806   {
8807     TYPE_KEY_X11,
8808     &setup.shortcut.tape_play,                  "shortcut.tape_play"
8809   },
8810   {
8811     TYPE_KEY_X11,
8812     &setup.shortcut.sound_simple,               "shortcut.sound_simple"
8813   },
8814   {
8815     TYPE_KEY_X11,
8816     &setup.shortcut.sound_loops,                "shortcut.sound_loops"
8817   },
8818   {
8819     TYPE_KEY_X11,
8820     &setup.shortcut.sound_music,                "shortcut.sound_music"
8821   },
8822   {
8823     TYPE_KEY_X11,
8824     &setup.shortcut.snap_left,                  "shortcut.snap_left"
8825   },
8826   {
8827     TYPE_KEY_X11,
8828     &setup.shortcut.snap_right,                 "shortcut.snap_right"
8829   },
8830   {
8831     TYPE_KEY_X11,
8832     &setup.shortcut.snap_up,                    "shortcut.snap_up"
8833   },
8834   {
8835     TYPE_KEY_X11,
8836     &setup.shortcut.snap_down,                  "shortcut.snap_down"
8837   },
8838 };
8839
8840 static struct SetupInputInfo setup_input;
8841 static struct TokenInfo player_setup_tokens[] =
8842 {
8843   {
8844     TYPE_BOOLEAN,
8845     &setup_input.use_joystick,                  ".use_joystick"
8846   },
8847   {
8848     TYPE_STRING,
8849     &setup_input.joy.device_name,               ".joy.device_name"
8850   },
8851   {
8852     TYPE_INTEGER,
8853     &setup_input.joy.xleft,                     ".joy.xleft"
8854   },
8855   {
8856     TYPE_INTEGER,
8857     &setup_input.joy.xmiddle,                   ".joy.xmiddle"
8858   },
8859   {
8860     TYPE_INTEGER,
8861     &setup_input.joy.xright,                    ".joy.xright"
8862   },
8863   {
8864     TYPE_INTEGER,
8865     &setup_input.joy.yupper,                    ".joy.yupper"
8866   },
8867   {
8868     TYPE_INTEGER,
8869     &setup_input.joy.ymiddle,                   ".joy.ymiddle"
8870   },
8871   {
8872     TYPE_INTEGER,
8873     &setup_input.joy.ylower,                    ".joy.ylower"
8874   },
8875   {
8876     TYPE_INTEGER,
8877     &setup_input.joy.snap,                      ".joy.snap_field"
8878   },
8879   {
8880     TYPE_INTEGER,
8881     &setup_input.joy.drop,                      ".joy.place_bomb"
8882   },
8883   {
8884     TYPE_KEY_X11,
8885     &setup_input.key.left,                      ".key.move_left"
8886   },
8887   {
8888     TYPE_KEY_X11,
8889     &setup_input.key.right,                     ".key.move_right"
8890   },
8891   {
8892     TYPE_KEY_X11,
8893     &setup_input.key.up,                        ".key.move_up"
8894   },
8895   {
8896     TYPE_KEY_X11,
8897     &setup_input.key.down,                      ".key.move_down"
8898   },
8899   {
8900     TYPE_KEY_X11,
8901     &setup_input.key.snap,                      ".key.snap_field"
8902   },
8903   {
8904     TYPE_KEY_X11,
8905     &setup_input.key.drop,                      ".key.place_bomb"
8906   },
8907 };
8908
8909 static struct TokenInfo system_setup_tokens[] =
8910 {
8911   {
8912     TYPE_STRING,
8913     &setup.system.sdl_renderdriver,             "system.sdl_renderdriver"
8914   },
8915   {
8916     TYPE_STRING,
8917     &setup.system.sdl_videodriver,              "system.sdl_videodriver"
8918   },
8919   {
8920     TYPE_STRING,
8921     &setup.system.sdl_audiodriver,              "system.sdl_audiodriver"
8922   },
8923   {
8924     TYPE_INTEGER,
8925     &setup.system.audio_fragment_size,          "system.audio_fragment_size"
8926   },
8927 };
8928
8929 static struct TokenInfo internal_setup_tokens[] =
8930 {
8931   {
8932     TYPE_STRING,
8933     &setup.internal.program_title,              "program_title"
8934   },
8935   {
8936     TYPE_STRING,
8937     &setup.internal.program_version,            "program_version"
8938   },
8939   {
8940     TYPE_STRING,
8941     &setup.internal.program_author,             "program_author"
8942   },
8943   {
8944     TYPE_STRING,
8945     &setup.internal.program_email,              "program_email"
8946   },
8947   {
8948     TYPE_STRING,
8949     &setup.internal.program_website,            "program_website"
8950   },
8951   {
8952     TYPE_STRING,
8953     &setup.internal.program_copyright,          "program_copyright"
8954   },
8955   {
8956     TYPE_STRING,
8957     &setup.internal.program_company,            "program_company"
8958   },
8959   {
8960     TYPE_STRING,
8961     &setup.internal.program_icon_file,          "program_icon_file"
8962   },
8963   {
8964     TYPE_STRING,
8965     &setup.internal.default_graphics_set,       "default_graphics_set"
8966   },
8967   {
8968     TYPE_STRING,
8969     &setup.internal.default_sounds_set,         "default_sounds_set"
8970   },
8971   {
8972     TYPE_STRING,
8973     &setup.internal.default_music_set,          "default_music_set"
8974   },
8975   {
8976     TYPE_STRING,
8977     &setup.internal.fallback_graphics_file,     "fallback_graphics_file"
8978   },
8979   {
8980     TYPE_STRING,
8981     &setup.internal.fallback_sounds_file,       "fallback_sounds_file"
8982   },
8983   {
8984     TYPE_STRING,
8985     &setup.internal.fallback_music_file,        "fallback_music_file"
8986   },
8987   {
8988     TYPE_STRING,
8989     &setup.internal.default_level_series,       "default_level_series"
8990   },
8991   {
8992     TYPE_INTEGER,
8993     &setup.internal.default_window_width,       "default_window_width"
8994   },
8995   {
8996     TYPE_INTEGER,
8997     &setup.internal.default_window_height,      "default_window_height"
8998   },
8999   {
9000     TYPE_BOOLEAN,
9001     &setup.internal.choose_from_top_leveldir,   "choose_from_top_leveldir"
9002   },
9003   {
9004     TYPE_BOOLEAN,
9005     &setup.internal.show_scaling_in_title,      "show_scaling_in_title"
9006   },
9007   {
9008     TYPE_BOOLEAN,
9009     &setup.internal.create_user_levelset,       "create_user_levelset"
9010   },
9011   {
9012     TYPE_BOOLEAN,
9013     &setup.internal.menu_game,                  "menu_game"
9014   },
9015   {
9016     TYPE_BOOLEAN,
9017     &setup.internal.menu_editor,                "menu_editor"
9018   },
9019   {
9020     TYPE_BOOLEAN,
9021     &setup.internal.menu_graphics,              "menu_graphics"
9022   },
9023   {
9024     TYPE_BOOLEAN,
9025     &setup.internal.menu_sound,                 "menu_sound"
9026   },
9027   {
9028     TYPE_BOOLEAN,
9029     &setup.internal.menu_artwork,               "menu_artwork"
9030   },
9031   {
9032     TYPE_BOOLEAN,
9033     &setup.internal.menu_input,                 "menu_input"
9034   },
9035   {
9036     TYPE_BOOLEAN,
9037     &setup.internal.menu_touch,                 "menu_touch"
9038   },
9039   {
9040     TYPE_BOOLEAN,
9041     &setup.internal.menu_shortcuts,             "menu_shortcuts"
9042   },
9043   {
9044     TYPE_BOOLEAN,
9045     &setup.internal.menu_exit,                  "menu_exit"
9046   },
9047   {
9048     TYPE_BOOLEAN,
9049     &setup.internal.menu_save_and_exit,         "menu_save_and_exit"
9050   },
9051 };
9052
9053 static struct TokenInfo debug_setup_tokens[] =
9054 {
9055   {
9056     TYPE_INTEGER,
9057     &setup.debug.frame_delay[0],                "debug.frame_delay_0"
9058   },
9059   {
9060     TYPE_INTEGER,
9061     &setup.debug.frame_delay[1],                "debug.frame_delay_1"
9062   },
9063   {
9064     TYPE_INTEGER,
9065     &setup.debug.frame_delay[2],                "debug.frame_delay_2"
9066   },
9067   {
9068     TYPE_INTEGER,
9069     &setup.debug.frame_delay[3],                "debug.frame_delay_3"
9070   },
9071   {
9072     TYPE_INTEGER,
9073     &setup.debug.frame_delay[4],                "debug.frame_delay_4"
9074   },
9075   {
9076     TYPE_INTEGER,
9077     &setup.debug.frame_delay[5],                "debug.frame_delay_5"
9078   },
9079   {
9080     TYPE_INTEGER,
9081     &setup.debug.frame_delay[6],                "debug.frame_delay_6"
9082   },
9083   {
9084     TYPE_INTEGER,
9085     &setup.debug.frame_delay[7],                "debug.frame_delay_7"
9086   },
9087   {
9088     TYPE_INTEGER,
9089     &setup.debug.frame_delay[8],                "debug.frame_delay_8"
9090   },
9091   {
9092     TYPE_INTEGER,
9093     &setup.debug.frame_delay[9],                "debug.frame_delay_9"
9094   },
9095   {
9096     TYPE_KEY_X11,
9097     &setup.debug.frame_delay_key[0],            "debug.key.frame_delay_0"
9098   },
9099   {
9100     TYPE_KEY_X11,
9101     &setup.debug.frame_delay_key[1],            "debug.key.frame_delay_1"
9102   },
9103   {
9104     TYPE_KEY_X11,
9105     &setup.debug.frame_delay_key[2],            "debug.key.frame_delay_2"
9106   },
9107   {
9108     TYPE_KEY_X11,
9109     &setup.debug.frame_delay_key[3],            "debug.key.frame_delay_3"
9110   },
9111   {
9112     TYPE_KEY_X11,
9113     &setup.debug.frame_delay_key[4],            "debug.key.frame_delay_4"
9114   },
9115   {
9116     TYPE_KEY_X11,
9117     &setup.debug.frame_delay_key[5],            "debug.key.frame_delay_5"
9118   },
9119   {
9120     TYPE_KEY_X11,
9121     &setup.debug.frame_delay_key[6],            "debug.key.frame_delay_6"
9122   },
9123   {
9124     TYPE_KEY_X11,
9125     &setup.debug.frame_delay_key[7],            "debug.key.frame_delay_7"
9126   },
9127   {
9128     TYPE_KEY_X11,
9129     &setup.debug.frame_delay_key[8],            "debug.key.frame_delay_8"
9130   },
9131   {
9132     TYPE_KEY_X11,
9133     &setup.debug.frame_delay_key[9],            "debug.key.frame_delay_9"
9134   },
9135   {
9136     TYPE_BOOLEAN,
9137     &setup.debug.frame_delay_use_mod_key,       "debug.frame_delay.use_mod_key"},
9138   {
9139     TYPE_BOOLEAN,
9140     &setup.debug.frame_delay_game_only,         "debug.frame_delay.game_only"
9141   },
9142   {
9143     TYPE_BOOLEAN,
9144     &setup.debug.show_frames_per_second,        "debug.show_frames_per_second"
9145   },
9146 };
9147
9148 static struct TokenInfo options_setup_tokens[] =
9149 {
9150   {
9151     TYPE_BOOLEAN,
9152     &setup.options.verbose,                     "options.verbose"
9153   },
9154 };
9155
9156 static char *get_corrected_login_name(char *login_name)
9157 {
9158   // needed because player name must be a fixed length string
9159   char *login_name_new = checked_malloc(MAX_PLAYER_NAME_LEN + 1);
9160
9161   strncpy(login_name_new, login_name, MAX_PLAYER_NAME_LEN);
9162   login_name_new[MAX_PLAYER_NAME_LEN] = '\0';
9163
9164   if (strlen(login_name) > MAX_PLAYER_NAME_LEN)         // name has been cut
9165     if (strchr(login_name_new, ' '))
9166       *strchr(login_name_new, ' ') = '\0';
9167
9168   return login_name_new;
9169 }
9170
9171 static void setSetupInfoToDefaults(struct SetupInfo *si)
9172 {
9173   int i;
9174
9175   si->player_name = get_corrected_login_name(getLoginName());
9176
9177   si->sound = TRUE;
9178   si->sound_loops = TRUE;
9179   si->sound_music = TRUE;
9180   si->sound_simple = TRUE;
9181   si->toons = TRUE;
9182   si->scroll_delay = TRUE;
9183   si->forced_scroll_delay = FALSE;
9184   si->scroll_delay_value = STD_SCROLL_DELAY;
9185   si->engine_snapshot_mode = getStringCopy(STR_SNAPSHOT_MODE_DEFAULT);
9186   si->engine_snapshot_memory = SNAPSHOT_MEMORY_DEFAULT;
9187   si->fade_screens = TRUE;
9188   si->autorecord = TRUE;
9189   si->show_titlescreen = TRUE;
9190   si->quick_doors = FALSE;
9191   si->team_mode = FALSE;
9192   si->handicap = TRUE;
9193   si->skip_levels = TRUE;
9194   si->increment_levels = TRUE;
9195   si->auto_play_next_level = TRUE;
9196   si->skip_scores_after_game = FALSE;
9197   si->time_limit = TRUE;
9198   si->fullscreen = FALSE;
9199   si->window_scaling_percent = STD_WINDOW_SCALING_PERCENT;
9200   si->window_scaling_quality = getStringCopy(SCALING_QUALITY_DEFAULT);
9201   si->screen_rendering_mode = getStringCopy(STR_SPECIAL_RENDERING_DEFAULT);
9202   si->vsync_mode = getStringCopy(STR_VSYNC_MODE_DEFAULT);
9203   si->ask_on_escape = TRUE;
9204   si->ask_on_escape_editor = TRUE;
9205   si->ask_on_game_over = TRUE;
9206   si->quick_switch = FALSE;
9207   si->input_on_focus = FALSE;
9208   si->prefer_aga_graphics = TRUE;
9209   si->prefer_lowpass_sounds = FALSE;
9210   si->game_speed_extended = FALSE;
9211   si->game_frame_delay = GAME_FRAME_DELAY;
9212   si->sp_show_border_elements = FALSE;
9213   si->small_game_graphics = FALSE;
9214   si->show_snapshot_buttons = FALSE;
9215
9216   si->graphics_set = getStringCopy(GFX_CLASSIC_SUBDIR);
9217   si->sounds_set   = getStringCopy(SND_CLASSIC_SUBDIR);
9218   si->music_set    = getStringCopy(MUS_CLASSIC_SUBDIR);
9219
9220   si->override_level_graphics = FALSE;
9221   si->override_level_sounds = FALSE;
9222   si->override_level_music = FALSE;
9223
9224   si->volume_simple = 100;              // percent
9225   si->volume_loops = 100;               // percent
9226   si->volume_music = 100;               // percent
9227
9228   si->network_mode = FALSE;
9229   si->network_player_nr = 0;            // first player
9230   si->network_server_hostname = getStringCopy(STR_NETWORK_AUTO_DETECT);
9231
9232   si->touch.control_type = getStringCopy(TOUCH_CONTROL_DEFAULT);
9233   si->touch.move_distance = TOUCH_MOVE_DISTANCE_DEFAULT;        // percent
9234   si->touch.drop_distance = TOUCH_DROP_DISTANCE_DEFAULT;        // percent
9235   si->touch.transparency = TOUCH_TRANSPARENCY_DEFAULT;          // percent
9236   si->touch.draw_outlined = TRUE;
9237   si->touch.draw_pressed = TRUE;
9238
9239   for (i = 0; i < 2; i++)
9240   {
9241     char *default_grid_button[6][2] =
9242     {
9243       { "      ", "  ^^  " },
9244       { "      ", "  ^^  " },
9245       { "      ", "<<  >>" },
9246       { "      ", "<<  >>" },
9247       { "111222", "  vv  " },
9248       { "111222", "  vv  " }
9249     };
9250     int grid_xsize = DEFAULT_GRID_XSIZE(i);
9251     int grid_ysize = DEFAULT_GRID_YSIZE(i);
9252     int min_xsize = MIN(6, grid_xsize);
9253     int min_ysize = MIN(6, grid_ysize);
9254     int startx = grid_xsize - min_xsize;
9255     int starty = grid_ysize - min_ysize;
9256     int x, y;
9257
9258     // virtual buttons grid can only be set to defaults if video is initialized
9259     // (this will be repeated if virtual buttons are not loaded from setup file)
9260     if (video.initialized)
9261     {
9262       si->touch.grid_xsize[i] = grid_xsize;
9263       si->touch.grid_ysize[i] = grid_ysize;
9264     }
9265     else
9266     {
9267       si->touch.grid_xsize[i] = -1;
9268       si->touch.grid_ysize[i] = -1;
9269     }
9270
9271     for (x = 0; x < MAX_GRID_XSIZE; x++)
9272       for (y = 0; y < MAX_GRID_YSIZE; y++)
9273         si->touch.grid_button[i][x][y] = CHAR_GRID_BUTTON_NONE;
9274
9275     for (x = 0; x < min_xsize; x++)
9276       for (y = 0; y < min_ysize; y++)
9277         si->touch.grid_button[i][x][starty + y] =
9278           default_grid_button[y][0][x];
9279
9280     for (x = 0; x < min_xsize; x++)
9281       for (y = 0; y < min_ysize; y++)
9282         si->touch.grid_button[i][startx + x][starty + y] =
9283           default_grid_button[y][1][x];
9284   }
9285
9286   si->touch.grid_initialized            = video.initialized;
9287
9288   si->editor.el_boulderdash             = TRUE;
9289   si->editor.el_emerald_mine            = TRUE;
9290   si->editor.el_emerald_mine_club       = TRUE;
9291   si->editor.el_more                    = TRUE;
9292   si->editor.el_sokoban                 = TRUE;
9293   si->editor.el_supaplex                = TRUE;
9294   si->editor.el_diamond_caves           = TRUE;
9295   si->editor.el_dx_boulderdash          = TRUE;
9296
9297   si->editor.el_mirror_magic            = TRUE;
9298   si->editor.el_deflektor               = TRUE;
9299
9300   si->editor.el_chars                   = TRUE;
9301   si->editor.el_steel_chars             = TRUE;
9302
9303   si->editor.el_classic                 = TRUE;
9304   si->editor.el_custom                  = TRUE;
9305
9306   si->editor.el_user_defined            = FALSE;
9307   si->editor.el_dynamic                 = TRUE;
9308
9309   si->editor.el_headlines               = TRUE;
9310
9311   si->editor.show_element_token         = FALSE;
9312
9313   si->editor.use_template_for_new_levels = TRUE;
9314
9315   si->shortcut.save_game        = DEFAULT_KEY_SAVE_GAME;
9316   si->shortcut.load_game        = DEFAULT_KEY_LOAD_GAME;
9317   si->shortcut.toggle_pause     = DEFAULT_KEY_TOGGLE_PAUSE;
9318
9319   si->shortcut.focus_player[0]  = DEFAULT_KEY_FOCUS_PLAYER_1;
9320   si->shortcut.focus_player[1]  = DEFAULT_KEY_FOCUS_PLAYER_2;
9321   si->shortcut.focus_player[2]  = DEFAULT_KEY_FOCUS_PLAYER_3;
9322   si->shortcut.focus_player[3]  = DEFAULT_KEY_FOCUS_PLAYER_4;
9323   si->shortcut.focus_player_all = DEFAULT_KEY_FOCUS_PLAYER_ALL;
9324
9325   si->shortcut.tape_eject       = DEFAULT_KEY_TAPE_EJECT;
9326   si->shortcut.tape_extra       = DEFAULT_KEY_TAPE_EXTRA;
9327   si->shortcut.tape_stop        = DEFAULT_KEY_TAPE_STOP;
9328   si->shortcut.tape_pause       = DEFAULT_KEY_TAPE_PAUSE;
9329   si->shortcut.tape_record      = DEFAULT_KEY_TAPE_RECORD;
9330   si->shortcut.tape_play        = DEFAULT_KEY_TAPE_PLAY;
9331
9332   si->shortcut.sound_simple     = DEFAULT_KEY_SOUND_SIMPLE;
9333   si->shortcut.sound_loops      = DEFAULT_KEY_SOUND_LOOPS;
9334   si->shortcut.sound_music      = DEFAULT_KEY_SOUND_MUSIC;
9335
9336   si->shortcut.snap_left        = DEFAULT_KEY_SNAP_LEFT;
9337   si->shortcut.snap_right       = DEFAULT_KEY_SNAP_RIGHT;
9338   si->shortcut.snap_up          = DEFAULT_KEY_SNAP_UP;
9339   si->shortcut.snap_down        = DEFAULT_KEY_SNAP_DOWN;
9340
9341   for (i = 0; i < MAX_PLAYERS; i++)
9342   {
9343     si->input[i].use_joystick = FALSE;
9344     si->input[i].joy.device_name=getStringCopy(getDeviceNameFromJoystickNr(i));
9345     si->input[i].joy.xleft   = JOYSTICK_XLEFT;
9346     si->input[i].joy.xmiddle = JOYSTICK_XMIDDLE;
9347     si->input[i].joy.xright  = JOYSTICK_XRIGHT;
9348     si->input[i].joy.yupper  = JOYSTICK_YUPPER;
9349     si->input[i].joy.ymiddle = JOYSTICK_YMIDDLE;
9350     si->input[i].joy.ylower  = JOYSTICK_YLOWER;
9351     si->input[i].joy.snap  = (i == 0 ? JOY_BUTTON_1 : 0);
9352     si->input[i].joy.drop  = (i == 0 ? JOY_BUTTON_2 : 0);
9353     si->input[i].key.left  = (i == 0 ? DEFAULT_KEY_LEFT  : KSYM_UNDEFINED);
9354     si->input[i].key.right = (i == 0 ? DEFAULT_KEY_RIGHT : KSYM_UNDEFINED);
9355     si->input[i].key.up    = (i == 0 ? DEFAULT_KEY_UP    : KSYM_UNDEFINED);
9356     si->input[i].key.down  = (i == 0 ? DEFAULT_KEY_DOWN  : KSYM_UNDEFINED);
9357     si->input[i].key.snap  = (i == 0 ? DEFAULT_KEY_SNAP  : KSYM_UNDEFINED);
9358     si->input[i].key.drop  = (i == 0 ? DEFAULT_KEY_DROP  : KSYM_UNDEFINED);
9359   }
9360
9361   si->system.sdl_renderdriver = getStringCopy(ARG_DEFAULT);
9362   si->system.sdl_videodriver = getStringCopy(ARG_DEFAULT);
9363   si->system.sdl_audiodriver = getStringCopy(ARG_DEFAULT);
9364   si->system.audio_fragment_size = DEFAULT_AUDIO_FRAGMENT_SIZE;
9365
9366   si->internal.program_title     = getStringCopy(PROGRAM_TITLE_STRING);
9367   si->internal.program_version   = getStringCopy(getProgramRealVersionString());
9368   si->internal.program_author    = getStringCopy(PROGRAM_AUTHOR_STRING);
9369   si->internal.program_email     = getStringCopy(PROGRAM_EMAIL_STRING);
9370   si->internal.program_website   = getStringCopy(PROGRAM_WEBSITE_STRING);
9371   si->internal.program_copyright = getStringCopy(PROGRAM_COPYRIGHT_STRING);
9372   si->internal.program_company   = getStringCopy(PROGRAM_COMPANY_STRING);
9373
9374   si->internal.program_icon_file = getStringCopy(PROGRAM_ICON_FILENAME);
9375
9376   si->internal.default_graphics_set = getStringCopy(GFX_CLASSIC_SUBDIR);
9377   si->internal.default_sounds_set   = getStringCopy(SND_CLASSIC_SUBDIR);
9378   si->internal.default_music_set    = getStringCopy(MUS_CLASSIC_SUBDIR);
9379
9380   si->internal.fallback_graphics_file = getStringCopy(UNDEFINED_FILENAME);
9381   si->internal.fallback_sounds_file   = getStringCopy(UNDEFINED_FILENAME);
9382   si->internal.fallback_music_file    = getStringCopy(UNDEFINED_FILENAME);
9383
9384   si->internal.default_level_series = getStringCopy(UNDEFINED_LEVELSET);
9385   si->internal.choose_from_top_leveldir = FALSE;
9386   si->internal.show_scaling_in_title = TRUE;
9387   si->internal.create_user_levelset = TRUE;
9388
9389   si->internal.default_window_width  = WIN_XSIZE_DEFAULT;
9390   si->internal.default_window_height = WIN_YSIZE_DEFAULT;
9391
9392   si->debug.frame_delay[0] = DEFAULT_FRAME_DELAY_0;
9393   si->debug.frame_delay[1] = DEFAULT_FRAME_DELAY_1;
9394   si->debug.frame_delay[2] = DEFAULT_FRAME_DELAY_2;
9395   si->debug.frame_delay[3] = DEFAULT_FRAME_DELAY_3;
9396   si->debug.frame_delay[4] = DEFAULT_FRAME_DELAY_4;
9397   si->debug.frame_delay[5] = DEFAULT_FRAME_DELAY_5;
9398   si->debug.frame_delay[6] = DEFAULT_FRAME_DELAY_6;
9399   si->debug.frame_delay[7] = DEFAULT_FRAME_DELAY_7;
9400   si->debug.frame_delay[8] = DEFAULT_FRAME_DELAY_8;
9401   si->debug.frame_delay[9] = DEFAULT_FRAME_DELAY_9;
9402
9403   si->debug.frame_delay_key[0] = DEFAULT_KEY_FRAME_DELAY_0;
9404   si->debug.frame_delay_key[1] = DEFAULT_KEY_FRAME_DELAY_1;
9405   si->debug.frame_delay_key[2] = DEFAULT_KEY_FRAME_DELAY_2;
9406   si->debug.frame_delay_key[3] = DEFAULT_KEY_FRAME_DELAY_3;
9407   si->debug.frame_delay_key[4] = DEFAULT_KEY_FRAME_DELAY_4;
9408   si->debug.frame_delay_key[5] = DEFAULT_KEY_FRAME_DELAY_5;
9409   si->debug.frame_delay_key[6] = DEFAULT_KEY_FRAME_DELAY_6;
9410   si->debug.frame_delay_key[7] = DEFAULT_KEY_FRAME_DELAY_7;
9411   si->debug.frame_delay_key[8] = DEFAULT_KEY_FRAME_DELAY_8;
9412   si->debug.frame_delay_key[9] = DEFAULT_KEY_FRAME_DELAY_9;
9413
9414   si->debug.frame_delay_use_mod_key = DEFAULT_FRAME_DELAY_USE_MOD_KEY;
9415   si->debug.frame_delay_game_only   = DEFAULT_FRAME_DELAY_GAME_ONLY;
9416
9417   si->debug.show_frames_per_second = FALSE;
9418
9419   si->options.verbose = FALSE;
9420
9421 #if defined(PLATFORM_ANDROID)
9422   si->fullscreen = TRUE;
9423 #endif
9424 }
9425
9426 static void setSetupInfoToDefaults_AutoSetup(struct SetupInfo *si)
9427 {
9428   si->auto_setup.editor_zoom_tilesize = MINI_TILESIZE;
9429 }
9430
9431 static void setSetupInfoToDefaults_EditorCascade(struct SetupInfo *si)
9432 {
9433   si->editor_cascade.el_bd              = TRUE;
9434   si->editor_cascade.el_em              = TRUE;
9435   si->editor_cascade.el_emc             = TRUE;
9436   si->editor_cascade.el_rnd             = TRUE;
9437   si->editor_cascade.el_sb              = TRUE;
9438   si->editor_cascade.el_sp              = TRUE;
9439   si->editor_cascade.el_dc              = TRUE;
9440   si->editor_cascade.el_dx              = TRUE;
9441
9442   si->editor_cascade.el_mm              = TRUE;
9443   si->editor_cascade.el_df              = TRUE;
9444
9445   si->editor_cascade.el_chars           = FALSE;
9446   si->editor_cascade.el_steel_chars     = FALSE;
9447   si->editor_cascade.el_ce              = FALSE;
9448   si->editor_cascade.el_ge              = FALSE;
9449   si->editor_cascade.el_ref             = FALSE;
9450   si->editor_cascade.el_user            = FALSE;
9451   si->editor_cascade.el_dynamic         = FALSE;
9452 }
9453
9454 #define MAX_HIDE_SETUP_TOKEN_SIZE               20
9455
9456 static char *getHideSetupToken(void *setup_value)
9457 {
9458   static char hide_setup_token[MAX_HIDE_SETUP_TOKEN_SIZE];
9459
9460   if (setup_value != NULL)
9461     snprintf(hide_setup_token, MAX_HIDE_SETUP_TOKEN_SIZE, "%p", setup_value);
9462
9463   return hide_setup_token;
9464 }
9465
9466 void setHideSetupEntry(void *setup_value)
9467 {
9468   char *hide_setup_token = getHideSetupToken(setup_value);
9469
9470   if (setup_value != NULL)
9471     setHashEntry(hide_setup_hash, hide_setup_token, "");
9472 }
9473
9474 boolean hideSetupEntry(void *setup_value)
9475 {
9476   char *hide_setup_token = getHideSetupToken(setup_value);
9477
9478   return (setup_value != NULL &&
9479           getHashEntry(hide_setup_hash, hide_setup_token) != NULL);
9480 }
9481
9482 static void setSetupInfoFromTokenText(SetupFileHash *setup_file_hash,
9483                                       struct TokenInfo *token_info,
9484                                       int token_nr, char *token_text)
9485 {
9486   char *token_hide_text = getStringCat2(token_text, ".hide");
9487   char *token_hide_value = getHashEntry(setup_file_hash, token_hide_text);
9488
9489   // set the value of this setup option in the setup option structure
9490   setSetupInfo(token_info, token_nr, getHashEntry(setup_file_hash, token_text));
9491
9492   // check if this setup option should be hidden in the setup menu
9493   if (token_hide_value != NULL && get_boolean_from_string(token_hide_value))
9494     setHideSetupEntry(token_info[token_nr].value);
9495 }
9496
9497 static void setSetupInfoFromTokenInfo(SetupFileHash *setup_file_hash,
9498                                       struct TokenInfo *token_info,
9499                                       int token_nr)
9500 {
9501   setSetupInfoFromTokenText(setup_file_hash, token_info, token_nr,
9502                             token_info[token_nr].text);
9503 }
9504
9505 static void decodeSetupFileHash(SetupFileHash *setup_file_hash)
9506 {
9507   int i, pnr;
9508
9509   if (!setup_file_hash)
9510     return;
9511
9512   if (hide_setup_hash == NULL)
9513     hide_setup_hash = newSetupFileHash();
9514
9515   for (i = 0; i < ARRAY_SIZE(global_setup_tokens); i++)
9516     setSetupInfoFromTokenInfo(setup_file_hash, global_setup_tokens, i);
9517
9518   setup.touch.grid_initialized = TRUE;
9519   for (i = 0; i < 2; i++)
9520   {
9521     int grid_xsize = setup.touch.grid_xsize[i];
9522     int grid_ysize = setup.touch.grid_ysize[i];
9523     int x, y;
9524
9525     // if virtual buttons are not loaded from setup file, repeat initializing
9526     // virtual buttons grid with default values later when video is initialized
9527     if (grid_xsize == -1 ||
9528         grid_ysize == -1)
9529     {
9530       setup.touch.grid_initialized = FALSE;
9531
9532       continue;
9533     }
9534
9535     for (y = 0; y < grid_ysize; y++)
9536     {
9537       char token_string[MAX_LINE_LEN];
9538
9539       sprintf(token_string, "touch.virtual_buttons.%d.%02d", i, y);
9540
9541       char *value_string = getHashEntry(setup_file_hash, token_string);
9542
9543       if (value_string == NULL)
9544         continue;
9545
9546       for (x = 0; x < grid_xsize; x++)
9547       {
9548         char c = value_string[x];
9549
9550         setup.touch.grid_button[i][x][y] =
9551           (c == '.' ? CHAR_GRID_BUTTON_NONE : c);
9552       }
9553     }
9554   }
9555
9556   for (i = 0; i < ARRAY_SIZE(editor_setup_tokens); i++)
9557     setSetupInfoFromTokenInfo(setup_file_hash, editor_setup_tokens, i);
9558
9559   for (i = 0; i < ARRAY_SIZE(shortcut_setup_tokens); i++)
9560     setSetupInfoFromTokenInfo(setup_file_hash, shortcut_setup_tokens, i);
9561
9562   for (pnr = 0; pnr < MAX_PLAYERS; pnr++)
9563   {
9564     char prefix[30];
9565
9566     sprintf(prefix, "%s%d", TOKEN_STR_PLAYER_PREFIX, pnr + 1);
9567
9568     setup_input = setup.input[pnr];
9569     for (i = 0; i < ARRAY_SIZE(player_setup_tokens); i++)
9570     {
9571       char full_token[100];
9572
9573       sprintf(full_token, "%s%s", prefix, player_setup_tokens[i].text);
9574       setSetupInfoFromTokenText(setup_file_hash, player_setup_tokens, i,
9575                                 full_token);
9576     }
9577     setup.input[pnr] = setup_input;
9578   }
9579
9580   for (i = 0; i < ARRAY_SIZE(system_setup_tokens); i++)
9581     setSetupInfoFromTokenInfo(setup_file_hash, system_setup_tokens, i);
9582
9583   for (i = 0; i < ARRAY_SIZE(internal_setup_tokens); i++)
9584     setSetupInfoFromTokenInfo(setup_file_hash, internal_setup_tokens, i);
9585
9586   for (i = 0; i < ARRAY_SIZE(debug_setup_tokens); i++)
9587     setSetupInfoFromTokenInfo(setup_file_hash, debug_setup_tokens, i);
9588
9589   for (i = 0; i < ARRAY_SIZE(options_setup_tokens); i++)
9590     setSetupInfoFromTokenInfo(setup_file_hash, options_setup_tokens, i);
9591
9592   setHideRelatedSetupEntries();
9593 }
9594
9595 static void decodeSetupFileHash_AutoSetup(SetupFileHash *setup_file_hash)
9596 {
9597   int i;
9598
9599   if (!setup_file_hash)
9600     return;
9601
9602   for (i = 0; i < ARRAY_SIZE(auto_setup_tokens); i++)
9603     setSetupInfo(auto_setup_tokens, i,
9604                  getHashEntry(setup_file_hash,
9605                               auto_setup_tokens[i].text));
9606 }
9607
9608 static void decodeSetupFileHash_EditorCascade(SetupFileHash *setup_file_hash)
9609 {
9610   int i;
9611
9612   if (!setup_file_hash)
9613     return;
9614
9615   for (i = 0; i < ARRAY_SIZE(editor_cascade_setup_tokens); i++)
9616     setSetupInfo(editor_cascade_setup_tokens, i,
9617                  getHashEntry(setup_file_hash,
9618                               editor_cascade_setup_tokens[i].text));
9619 }
9620
9621 void LoadSetupFromFilename(char *filename)
9622 {
9623   SetupFileHash *setup_file_hash = loadSetupFileHash(filename);
9624
9625   if (setup_file_hash)
9626   {
9627     decodeSetupFileHash(setup_file_hash);
9628
9629     freeSetupFileHash(setup_file_hash);
9630   }
9631   else
9632   {
9633     Debug("setup", "using default setup values");
9634   }
9635 }
9636
9637 static void LoadSetup_SpecialPostProcessing(void)
9638 {
9639   char *player_name_new;
9640
9641   // needed to work around problems with fixed length strings
9642   player_name_new = get_corrected_login_name(setup.player_name);
9643   free(setup.player_name);
9644   setup.player_name = player_name_new;
9645
9646   // "scroll_delay: on(3) / off(0)" was replaced by scroll delay value
9647   if (setup.scroll_delay == FALSE)
9648   {
9649     setup.scroll_delay_value = MIN_SCROLL_DELAY;
9650     setup.scroll_delay = TRUE;                  // now always "on"
9651   }
9652
9653   // make sure that scroll delay value stays inside valid range
9654   setup.scroll_delay_value =
9655     MIN(MAX(MIN_SCROLL_DELAY, setup.scroll_delay_value), MAX_SCROLL_DELAY);
9656 }
9657
9658 void LoadSetup(void)
9659 {
9660   char *filename;
9661
9662   // always start with reliable default values
9663   setSetupInfoToDefaults(&setup);
9664
9665   // try to load setup values from default setup file
9666   filename = getDefaultSetupFilename();
9667
9668   if (fileExists(filename))
9669     LoadSetupFromFilename(filename);
9670
9671   // try to load setup values from user setup file
9672   filename = getSetupFilename();
9673
9674   LoadSetupFromFilename(filename);
9675
9676   LoadSetup_SpecialPostProcessing();
9677 }
9678
9679 void LoadSetup_AutoSetup(void)
9680 {
9681   char *filename = getPath2(getSetupDir(), AUTOSETUP_FILENAME);
9682   SetupFileHash *setup_file_hash = NULL;
9683
9684   // always start with reliable default values
9685   setSetupInfoToDefaults_AutoSetup(&setup);
9686
9687   setup_file_hash = loadSetupFileHash(filename);
9688
9689   if (setup_file_hash)
9690   {
9691     decodeSetupFileHash_AutoSetup(setup_file_hash);
9692
9693     freeSetupFileHash(setup_file_hash);
9694   }
9695
9696   free(filename);
9697 }
9698
9699 void LoadSetup_EditorCascade(void)
9700 {
9701   char *filename = getPath2(getSetupDir(), EDITORCASCADE_FILENAME);
9702   SetupFileHash *setup_file_hash = NULL;
9703
9704   // always start with reliable default values
9705   setSetupInfoToDefaults_EditorCascade(&setup);
9706
9707   setup_file_hash = loadSetupFileHash(filename);
9708
9709   if (setup_file_hash)
9710   {
9711     decodeSetupFileHash_EditorCascade(setup_file_hash);
9712
9713     freeSetupFileHash(setup_file_hash);
9714   }
9715
9716   free(filename);
9717 }
9718
9719 static void addGameControllerMappingToHash(SetupFileHash *mappings_hash,
9720                                            char *mapping_line)
9721 {
9722   char mapping_guid[MAX_LINE_LEN];
9723   char *mapping_start, *mapping_end;
9724
9725   // get GUID from game controller mapping line: copy complete line
9726   strncpy(mapping_guid, mapping_line, MAX_LINE_LEN - 1);
9727   mapping_guid[MAX_LINE_LEN - 1] = '\0';
9728
9729   // get GUID from game controller mapping line: cut after GUID part
9730   mapping_start = strchr(mapping_guid, ',');
9731   if (mapping_start != NULL)
9732     *mapping_start = '\0';
9733
9734   // cut newline from game controller mapping line
9735   mapping_end = strchr(mapping_line, '\n');
9736   if (mapping_end != NULL)
9737     *mapping_end = '\0';
9738
9739   // add mapping entry to game controller mappings hash
9740   setHashEntry(mappings_hash, mapping_guid, mapping_line);
9741 }
9742
9743 static void LoadSetup_ReadGameControllerMappings(SetupFileHash *mappings_hash,
9744                                                  char *filename)
9745 {
9746   FILE *file;
9747
9748   if (!(file = fopen(filename, MODE_READ)))
9749   {
9750     Warn("cannot read game controller mappings file '%s'", filename);
9751
9752     return;
9753   }
9754
9755   while (!feof(file))
9756   {
9757     char line[MAX_LINE_LEN];
9758
9759     if (!fgets(line, MAX_LINE_LEN, file))
9760       break;
9761
9762     addGameControllerMappingToHash(mappings_hash, line);
9763   }
9764
9765   fclose(file);
9766 }
9767
9768 void SaveSetup(void)
9769 {
9770   char *filename = getSetupFilename();
9771   FILE *file;
9772   int i, pnr;
9773
9774   InitUserDataDirectory();
9775
9776   if (!(file = fopen(filename, MODE_WRITE)))
9777   {
9778     Warn("cannot write setup file '%s'", filename);
9779
9780     return;
9781   }
9782
9783   fprintFileHeader(file, SETUP_FILENAME);
9784
9785   for (i = 0; i < ARRAY_SIZE(global_setup_tokens); i++)
9786   {
9787     // just to make things nicer :)
9788     if (global_setup_tokens[i].value == &setup.sound                    ||
9789         global_setup_tokens[i].value == &setup.graphics_set             ||
9790         global_setup_tokens[i].value == &setup.volume_simple            ||
9791         global_setup_tokens[i].value == &setup.network_mode             ||
9792         global_setup_tokens[i].value == &setup.touch.control_type       ||
9793         global_setup_tokens[i].value == &setup.touch.grid_xsize[0]      ||
9794         global_setup_tokens[i].value == &setup.touch.grid_xsize[1])
9795       fprintf(file, "\n");
9796
9797     fprintf(file, "%s\n", getSetupLine(global_setup_tokens, "", i));
9798   }
9799
9800   for (i = 0; i < 2; i++)
9801   {
9802     int grid_xsize = setup.touch.grid_xsize[i];
9803     int grid_ysize = setup.touch.grid_ysize[i];
9804     int x, y;
9805
9806     fprintf(file, "\n");
9807
9808     for (y = 0; y < grid_ysize; y++)
9809     {
9810       char token_string[MAX_LINE_LEN];
9811       char value_string[MAX_LINE_LEN];
9812
9813       sprintf(token_string, "touch.virtual_buttons.%d.%02d", i, y);
9814
9815       for (x = 0; x < grid_xsize; x++)
9816       {
9817         char c = setup.touch.grid_button[i][x][y];
9818
9819         value_string[x] = (c == CHAR_GRID_BUTTON_NONE ? '.' : c);
9820       }
9821
9822       value_string[grid_xsize] = '\0';
9823
9824       fprintf(file, "%s\n", getFormattedSetupEntry(token_string, value_string));
9825     }
9826   }
9827
9828   fprintf(file, "\n");
9829   for (i = 0; i < ARRAY_SIZE(editor_setup_tokens); i++)
9830     fprintf(file, "%s\n", getSetupLine(editor_setup_tokens, "", i));
9831
9832   fprintf(file, "\n");
9833   for (i = 0; i < ARRAY_SIZE(shortcut_setup_tokens); i++)
9834     fprintf(file, "%s\n", getSetupLine(shortcut_setup_tokens, "", i));
9835
9836   for (pnr = 0; pnr < MAX_PLAYERS; pnr++)
9837   {
9838     char prefix[30];
9839
9840     sprintf(prefix, "%s%d", TOKEN_STR_PLAYER_PREFIX, pnr + 1);
9841     fprintf(file, "\n");
9842
9843     setup_input = setup.input[pnr];
9844     for (i = 0; i < ARRAY_SIZE(player_setup_tokens); i++)
9845       fprintf(file, "%s\n", getSetupLine(player_setup_tokens, prefix, i));
9846   }
9847
9848   fprintf(file, "\n");
9849   for (i = 0; i < ARRAY_SIZE(system_setup_tokens); i++)
9850     fprintf(file, "%s\n", getSetupLine(system_setup_tokens, "", i));
9851
9852   // (internal setup values not saved to user setup file)
9853
9854   fprintf(file, "\n");
9855   for (i = 0; i < ARRAY_SIZE(debug_setup_tokens); i++)
9856     fprintf(file, "%s\n", getSetupLine(debug_setup_tokens, "", i));
9857
9858   fprintf(file, "\n");
9859   for (i = 0; i < ARRAY_SIZE(options_setup_tokens); i++)
9860     fprintf(file, "%s\n", getSetupLine(options_setup_tokens, "", i));
9861
9862   fclose(file);
9863
9864   SetFilePermissions(filename, PERMS_PRIVATE);
9865 }
9866
9867 void SaveSetup_AutoSetup(void)
9868 {
9869   char *filename = getPath2(getSetupDir(), AUTOSETUP_FILENAME);
9870   FILE *file;
9871   int i;
9872
9873   InitUserDataDirectory();
9874
9875   if (!(file = fopen(filename, MODE_WRITE)))
9876   {
9877     Warn("cannot write auto setup file '%s'", filename);
9878
9879     free(filename);
9880
9881     return;
9882   }
9883
9884   fprintFileHeader(file, AUTOSETUP_FILENAME);
9885
9886   for (i = 0; i < ARRAY_SIZE(auto_setup_tokens); i++)
9887     fprintf(file, "%s\n", getSetupLine(auto_setup_tokens, "", i));
9888
9889   fclose(file);
9890
9891   SetFilePermissions(filename, PERMS_PRIVATE);
9892
9893   free(filename);
9894 }
9895
9896 void SaveSetup_EditorCascade(void)
9897 {
9898   char *filename = getPath2(getSetupDir(), EDITORCASCADE_FILENAME);
9899   FILE *file;
9900   int i;
9901
9902   InitUserDataDirectory();
9903
9904   if (!(file = fopen(filename, MODE_WRITE)))
9905   {
9906     Warn("cannot write editor cascade state file '%s'", filename);
9907
9908     free(filename);
9909
9910     return;
9911   }
9912
9913   fprintFileHeader(file, EDITORCASCADE_FILENAME);
9914
9915   for (i = 0; i < ARRAY_SIZE(editor_cascade_setup_tokens); i++)
9916     fprintf(file, "%s\n", getSetupLine(editor_cascade_setup_tokens, "", i));
9917
9918   fclose(file);
9919
9920   SetFilePermissions(filename, PERMS_PRIVATE);
9921
9922   free(filename);
9923 }
9924
9925 static void SaveSetup_WriteGameControllerMappings(SetupFileHash *mappings_hash,
9926                                                   char *filename)
9927 {
9928   FILE *file;
9929
9930   if (!(file = fopen(filename, MODE_WRITE)))
9931   {
9932     Warn("cannot write game controller mappings file '%s'", filename);
9933
9934     return;
9935   }
9936
9937   BEGIN_HASH_ITERATION(mappings_hash, itr)
9938   {
9939     fprintf(file, "%s\n", HASH_ITERATION_VALUE(itr));
9940   }
9941   END_HASH_ITERATION(mappings_hash, itr)
9942
9943   fclose(file);
9944 }
9945
9946 void SaveSetup_AddGameControllerMapping(char *mapping)
9947 {
9948   char *filename = getPath2(getSetupDir(), GAMECONTROLLER_BASENAME);
9949   SetupFileHash *mappings_hash = newSetupFileHash();
9950
9951   InitUserDataDirectory();
9952
9953   // load existing personal game controller mappings
9954   LoadSetup_ReadGameControllerMappings(mappings_hash, filename);
9955
9956   // add new mapping to personal game controller mappings
9957   addGameControllerMappingToHash(mappings_hash, mapping);
9958
9959   // save updated personal game controller mappings
9960   SaveSetup_WriteGameControllerMappings(mappings_hash, filename);
9961
9962   freeSetupFileHash(mappings_hash);
9963   free(filename);
9964 }
9965
9966 void LoadCustomElementDescriptions(void)
9967 {
9968   char *filename = getCustomArtworkConfigFilename(ARTWORK_TYPE_GRAPHICS);
9969   SetupFileHash *setup_file_hash;
9970   int i;
9971
9972   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9973   {
9974     if (element_info[i].custom_description != NULL)
9975     {
9976       free(element_info[i].custom_description);
9977       element_info[i].custom_description = NULL;
9978     }
9979   }
9980
9981   if ((setup_file_hash = loadSetupFileHash(filename)) == NULL)
9982     return;
9983
9984   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9985   {
9986     char *token = getStringCat2(element_info[i].token_name, ".name");
9987     char *value = getHashEntry(setup_file_hash, token);
9988
9989     if (value != NULL)
9990       element_info[i].custom_description = getStringCopy(value);
9991
9992     free(token);
9993   }
9994
9995   freeSetupFileHash(setup_file_hash);
9996 }
9997
9998 static int getElementFromToken(char *token)
9999 {
10000   char *value = getHashEntry(element_token_hash, token);
10001
10002   if (value != NULL)
10003     return atoi(value);
10004
10005   Warn("unknown element token '%s'", token);
10006
10007   return EL_UNDEFINED;
10008 }
10009
10010 void FreeGlobalAnimEventInfo(void)
10011 {
10012   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
10013
10014   if (gaei->event_list == NULL)
10015     return;
10016
10017   int i;
10018
10019   for (i = 0; i < gaei->num_event_lists; i++)
10020   {
10021     checked_free(gaei->event_list[i]->event_value);
10022     checked_free(gaei->event_list[i]);
10023   }
10024
10025   checked_free(gaei->event_list);
10026
10027   gaei->event_list = NULL;
10028   gaei->num_event_lists = 0;
10029 }
10030
10031 static int AddGlobalAnimEventList(void)
10032 {
10033   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
10034   int list_pos = gaei->num_event_lists++;
10035
10036   gaei->event_list = checked_realloc(gaei->event_list, gaei->num_event_lists *
10037                                      sizeof(struct GlobalAnimEventListInfo *));
10038
10039   gaei->event_list[list_pos] =
10040     checked_calloc(sizeof(struct GlobalAnimEventListInfo));
10041
10042   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
10043
10044   gaeli->event_value = NULL;
10045   gaeli->num_event_values = 0;
10046
10047   return list_pos;
10048 }
10049
10050 static int AddGlobalAnimEventValue(int list_pos, int event_value)
10051 {
10052   // do not add empty global animation events
10053   if (event_value == ANIM_EVENT_NONE)
10054     return list_pos;
10055
10056   // if list position is undefined, create new list
10057   if (list_pos == ANIM_EVENT_UNDEFINED)
10058     list_pos = AddGlobalAnimEventList();
10059
10060   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
10061   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
10062   int value_pos = gaeli->num_event_values++;
10063
10064   gaeli->event_value = checked_realloc(gaeli->event_value,
10065                                        gaeli->num_event_values * sizeof(int *));
10066
10067   gaeli->event_value[value_pos] = event_value;
10068
10069   return list_pos;
10070 }
10071
10072 int GetGlobalAnimEventValue(int list_pos, int value_pos)
10073 {
10074   if (list_pos == ANIM_EVENT_UNDEFINED)
10075     return ANIM_EVENT_NONE;
10076
10077   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
10078   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
10079
10080   return gaeli->event_value[value_pos];
10081 }
10082
10083 int GetGlobalAnimEventValueCount(int list_pos)
10084 {
10085   if (list_pos == ANIM_EVENT_UNDEFINED)
10086     return 0;
10087
10088   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
10089   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
10090
10091   return gaeli->num_event_values;
10092 }
10093
10094 // This function checks if a string <s> of the format "string1, string2, ..."
10095 // exactly contains a string <s_contained>.
10096
10097 static boolean string_has_parameter(char *s, char *s_contained)
10098 {
10099   char *substring;
10100
10101   if (s == NULL || s_contained == NULL)
10102     return FALSE;
10103
10104   if (strlen(s_contained) > strlen(s))
10105     return FALSE;
10106
10107   if (strncmp(s, s_contained, strlen(s_contained)) == 0)
10108   {
10109     char next_char = s[strlen(s_contained)];
10110
10111     // check if next character is delimiter or whitespace
10112     return (next_char == ',' || next_char == '\0' ||
10113             next_char == ' ' || next_char == '\t' ? TRUE : FALSE);
10114   }
10115
10116   // check if string contains another parameter string after a comma
10117   substring = strchr(s, ',');
10118   if (substring == NULL)        // string does not contain a comma
10119     return FALSE;
10120
10121   // advance string pointer to next character after the comma
10122   substring++;
10123
10124   // skip potential whitespaces after the comma
10125   while (*substring == ' ' || *substring == '\t')
10126     substring++;
10127
10128   return string_has_parameter(substring, s_contained);
10129 }
10130
10131 static int get_anim_parameter_value(char *s)
10132 {
10133   int event_value[] =
10134   {
10135     ANIM_EVENT_CLICK,
10136     ANIM_EVENT_INIT,
10137     ANIM_EVENT_START,
10138     ANIM_EVENT_END,
10139     ANIM_EVENT_POST
10140   };
10141   char *pattern_1[] =
10142   {
10143     "click:anim_",
10144     "init:anim_",
10145     "start:anim_",
10146     "end:anim_",
10147     "post:anim_"
10148   };
10149   char *pattern_2 = ".part_";
10150   char *matching_char = NULL;
10151   char *s_ptr = s;
10152   int pattern_1_len = 0;
10153   int result = ANIM_EVENT_NONE;
10154   int i;
10155
10156   for (i = 0; i < ARRAY_SIZE(event_value); i++)
10157   {
10158     matching_char = strstr(s_ptr, pattern_1[i]);
10159     pattern_1_len = strlen(pattern_1[i]);
10160     result = event_value[i];
10161
10162     if (matching_char != NULL)
10163       break;
10164   }
10165
10166   if (matching_char == NULL)
10167     return ANIM_EVENT_NONE;
10168
10169   s_ptr = matching_char + pattern_1_len;
10170
10171   // check for main animation number ("anim_X" or "anim_XX")
10172   if (*s_ptr >= '0' && *s_ptr <= '9')
10173   {
10174     int gic_anim_nr = (*s_ptr++ - '0');
10175
10176     if (*s_ptr >= '0' && *s_ptr <= '9')
10177       gic_anim_nr = 10 * gic_anim_nr + (*s_ptr++ - '0');
10178
10179     if (gic_anim_nr < 1 || gic_anim_nr > MAX_GLOBAL_ANIMS)
10180       return ANIM_EVENT_NONE;
10181
10182     result |= gic_anim_nr << ANIM_EVENT_ANIM_BIT;
10183   }
10184   else
10185   {
10186     // invalid main animation number specified
10187
10188     return ANIM_EVENT_NONE;
10189   }
10190
10191   // check for animation part number ("part_X" or "part_XX") (optional)
10192   if (strPrefix(s_ptr, pattern_2))
10193   {
10194     s_ptr += strlen(pattern_2);
10195
10196     if (*s_ptr >= '0' && *s_ptr <= '9')
10197     {
10198       int gic_part_nr = (*s_ptr++ - '0');
10199
10200       if (*s_ptr >= '0' && *s_ptr <= '9')
10201         gic_part_nr = 10 * gic_part_nr + (*s_ptr++ - '0');
10202
10203       if (gic_part_nr < 1 || gic_part_nr > MAX_GLOBAL_ANIM_PARTS)
10204         return ANIM_EVENT_NONE;
10205
10206       result |= gic_part_nr << ANIM_EVENT_PART_BIT;
10207     }
10208     else
10209     {
10210       // invalid animation part number specified
10211
10212       return ANIM_EVENT_NONE;
10213     }
10214   }
10215
10216   // discard result if next character is neither delimiter nor whitespace
10217   if (!(*s_ptr == ',' || *s_ptr == '\0' ||
10218         *s_ptr == ' ' || *s_ptr == '\t'))
10219     return ANIM_EVENT_NONE;
10220
10221   return result;
10222 }
10223
10224 static int get_anim_parameter_values(char *s)
10225 {
10226   int list_pos = ANIM_EVENT_UNDEFINED;
10227   int event_value = ANIM_EVENT_DEFAULT;
10228
10229   if (string_has_parameter(s, "any"))
10230     event_value |= ANIM_EVENT_ANY;
10231
10232   if (string_has_parameter(s, "click:self") ||
10233       string_has_parameter(s, "click") ||
10234       string_has_parameter(s, "self"))
10235     event_value |= ANIM_EVENT_SELF;
10236
10237   if (string_has_parameter(s, "unclick:any"))
10238     event_value |= ANIM_EVENT_UNCLICK_ANY;
10239
10240   // if animation event found, add it to global animation event list
10241   if (event_value != ANIM_EVENT_NONE)
10242     list_pos = AddGlobalAnimEventValue(list_pos, event_value);
10243
10244   while (s != NULL)
10245   {
10246     // add optional "click:anim_X" or "click:anim_X.part_X" parameter
10247     event_value = get_anim_parameter_value(s);
10248
10249     // if animation event found, add it to global animation event list
10250     if (event_value != ANIM_EVENT_NONE)
10251       list_pos = AddGlobalAnimEventValue(list_pos, event_value);
10252
10253     // continue with next part of the string, starting with next comma
10254     s = strchr(s + 1, ',');
10255   }
10256
10257   return list_pos;
10258 }
10259
10260 static int get_anim_action_parameter_value(char *token)
10261 {
10262   // check most common default case first to massively speed things up
10263   if (strEqual(token, ARG_UNDEFINED))
10264     return ANIM_EVENT_ACTION_NONE;
10265
10266   int result = getImageIDFromToken(token);
10267
10268   if (result == -1)
10269   {
10270     char *gfx_token = getStringCat2("gfx.", token);
10271
10272     result = getImageIDFromToken(gfx_token);
10273
10274     checked_free(gfx_token);
10275   }
10276
10277   if (result == -1)
10278   {
10279     Key key = getKeyFromX11KeyName(token);
10280
10281     if (key != KSYM_UNDEFINED)
10282       result = -(int)key;
10283   }
10284
10285   if (result == -1)
10286     result = ANIM_EVENT_ACTION_NONE;
10287
10288   return result;
10289 }
10290
10291 int get_parameter_value(char *value_raw, char *suffix, int type)
10292 {
10293   char *value = getStringToLower(value_raw);
10294   int result = 0;       // probably a save default value
10295
10296   if (strEqual(suffix, ".direction"))
10297   {
10298     result = (strEqual(value, "left")  ? MV_LEFT :
10299               strEqual(value, "right") ? MV_RIGHT :
10300               strEqual(value, "up")    ? MV_UP :
10301               strEqual(value, "down")  ? MV_DOWN : MV_NONE);
10302   }
10303   else if (strEqual(suffix, ".position"))
10304   {
10305     result = (strEqual(value, "left")   ? POS_LEFT :
10306               strEqual(value, "right")  ? POS_RIGHT :
10307               strEqual(value, "top")    ? POS_TOP :
10308               strEqual(value, "upper")  ? POS_UPPER :
10309               strEqual(value, "middle") ? POS_MIDDLE :
10310               strEqual(value, "lower")  ? POS_LOWER :
10311               strEqual(value, "bottom") ? POS_BOTTOM :
10312               strEqual(value, "any")    ? POS_ANY :
10313               strEqual(value, "last")   ? POS_LAST : POS_UNDEFINED);
10314   }
10315   else if (strEqual(suffix, ".align"))
10316   {
10317     result = (strEqual(value, "left")   ? ALIGN_LEFT :
10318               strEqual(value, "right")  ? ALIGN_RIGHT :
10319               strEqual(value, "center") ? ALIGN_CENTER :
10320               strEqual(value, "middle") ? ALIGN_CENTER : ALIGN_DEFAULT);
10321   }
10322   else if (strEqual(suffix, ".valign"))
10323   {
10324     result = (strEqual(value, "top")    ? VALIGN_TOP :
10325               strEqual(value, "bottom") ? VALIGN_BOTTOM :
10326               strEqual(value, "middle") ? VALIGN_MIDDLE :
10327               strEqual(value, "center") ? VALIGN_MIDDLE : VALIGN_DEFAULT);
10328   }
10329   else if (strEqual(suffix, ".anim_mode"))
10330   {
10331     result = (string_has_parameter(value, "none")       ? ANIM_NONE :
10332               string_has_parameter(value, "loop")       ? ANIM_LOOP :
10333               string_has_parameter(value, "linear")     ? ANIM_LINEAR :
10334               string_has_parameter(value, "pingpong")   ? ANIM_PINGPONG :
10335               string_has_parameter(value, "pingpong2")  ? ANIM_PINGPONG2 :
10336               string_has_parameter(value, "random")     ? ANIM_RANDOM :
10337               string_has_parameter(value, "ce_value")   ? ANIM_CE_VALUE :
10338               string_has_parameter(value, "ce_score")   ? ANIM_CE_SCORE :
10339               string_has_parameter(value, "ce_delay")   ? ANIM_CE_DELAY :
10340               string_has_parameter(value, "horizontal") ? ANIM_HORIZONTAL :
10341               string_has_parameter(value, "vertical")   ? ANIM_VERTICAL :
10342               string_has_parameter(value, "centered")   ? ANIM_CENTERED :
10343               string_has_parameter(value, "all")        ? ANIM_ALL :
10344               ANIM_DEFAULT);
10345
10346     if (string_has_parameter(value, "once"))
10347       result |= ANIM_ONCE;
10348
10349     if (string_has_parameter(value, "reverse"))
10350       result |= ANIM_REVERSE;
10351
10352     if (string_has_parameter(value, "opaque_player"))
10353       result |= ANIM_OPAQUE_PLAYER;
10354
10355     if (string_has_parameter(value, "static_panel"))
10356       result |= ANIM_STATIC_PANEL;
10357   }
10358   else if (strEqual(suffix, ".init_event") ||
10359            strEqual(suffix, ".anim_event"))
10360   {
10361     result = get_anim_parameter_values(value);
10362   }
10363   else if (strEqual(suffix, ".init_delay_action") ||
10364            strEqual(suffix, ".anim_delay_action") ||
10365            strEqual(suffix, ".post_delay_action") ||
10366            strEqual(suffix, ".init_event_action") ||
10367            strEqual(suffix, ".anim_event_action"))
10368   {
10369     result = get_anim_action_parameter_value(value_raw);
10370   }
10371   else if (strEqual(suffix, ".class"))
10372   {
10373     result = (strEqual(value, ARG_UNDEFINED) ? ARG_UNDEFINED_VALUE :
10374               get_hash_from_key(value));
10375   }
10376   else if (strEqual(suffix, ".style"))
10377   {
10378     result = STYLE_DEFAULT;
10379
10380     if (string_has_parameter(value, "accurate_borders"))
10381       result |= STYLE_ACCURATE_BORDERS;
10382
10383     if (string_has_parameter(value, "inner_corners"))
10384       result |= STYLE_INNER_CORNERS;
10385
10386     if (string_has_parameter(value, "reverse"))
10387       result |= STYLE_REVERSE;
10388
10389     if (string_has_parameter(value, "block_clicks"))
10390       result |= STYLE_BLOCK;
10391
10392     if (string_has_parameter(value, "passthrough_clicks"))
10393       result |= STYLE_PASSTHROUGH;
10394
10395     if (string_has_parameter(value, "multiple_actions"))
10396       result |= STYLE_MULTIPLE_ACTIONS;
10397   }
10398   else if (strEqual(suffix, ".fade_mode"))
10399   {
10400     result = (string_has_parameter(value, "none")       ? FADE_MODE_NONE :
10401               string_has_parameter(value, "fade")       ? FADE_MODE_FADE :
10402               string_has_parameter(value, "crossfade")  ? FADE_MODE_CROSSFADE :
10403               string_has_parameter(value, "melt")       ? FADE_MODE_MELT :
10404               string_has_parameter(value, "curtain")    ? FADE_MODE_CURTAIN :
10405               FADE_MODE_DEFAULT);
10406   }
10407   else if (strEqual(suffix, ".auto_delay_unit"))
10408   {
10409     result = (string_has_parameter(value, "ms")     ? AUTO_DELAY_UNIT_MS :
10410               string_has_parameter(value, "frames") ? AUTO_DELAY_UNIT_FRAMES :
10411               AUTO_DELAY_UNIT_DEFAULT);
10412   }
10413   else if (strPrefix(suffix, ".font"))          // (may also be ".font_xyz")
10414   {
10415     result = gfx.get_font_from_token_function(value);
10416   }
10417   else          // generic parameter of type integer or boolean
10418   {
10419     result = (strEqual(value, ARG_UNDEFINED) ? ARG_UNDEFINED_VALUE :
10420               type == TYPE_INTEGER ? get_integer_from_string(value) :
10421               type == TYPE_BOOLEAN ? get_boolean_from_string(value) :
10422               ARG_UNDEFINED_VALUE);
10423   }
10424
10425   free(value);
10426
10427   return result;
10428 }
10429
10430 static int get_token_parameter_value(char *token, char *value_raw)
10431 {
10432   char *suffix;
10433
10434   if (token == NULL || value_raw == NULL)
10435     return ARG_UNDEFINED_VALUE;
10436
10437   suffix = strrchr(token, '.');
10438   if (suffix == NULL)
10439     suffix = token;
10440
10441   if (strEqual(suffix, ".element"))
10442     return getElementFromToken(value_raw);
10443
10444   // !!! USE CORRECT VALUE TYPE (currently works also for TYPE_BOOLEAN) !!!
10445   return get_parameter_value(value_raw, suffix, TYPE_INTEGER);
10446 }
10447
10448 void InitMenuDesignSettings_Static(void)
10449 {
10450   int i;
10451
10452   // always start with reliable default values from static default config
10453   for (i = 0; image_config_vars[i].token != NULL; i++)
10454   {
10455     char *value = getHashEntry(image_config_hash, image_config_vars[i].token);
10456
10457     if (value != NULL)
10458       *image_config_vars[i].value =
10459         get_token_parameter_value(image_config_vars[i].token, value);
10460   }
10461 }
10462
10463 static void InitMenuDesignSettings_SpecialPreProcessing(void)
10464 {
10465   int i;
10466
10467   // the following initializes hierarchical values from static configuration
10468
10469   // special case: initialize "ARG_DEFAULT" values in static default config
10470   // (e.g., initialize "[titlemessage].fade_mode" from "[title].fade_mode")
10471   titlescreen_initial_first_default.fade_mode  =
10472     title_initial_first_default.fade_mode;
10473   titlescreen_initial_first_default.fade_delay =
10474     title_initial_first_default.fade_delay;
10475   titlescreen_initial_first_default.post_delay =
10476     title_initial_first_default.post_delay;
10477   titlescreen_initial_first_default.auto_delay =
10478     title_initial_first_default.auto_delay;
10479   titlescreen_initial_first_default.auto_delay_unit =
10480     title_initial_first_default.auto_delay_unit;
10481   titlescreen_first_default.fade_mode  = title_first_default.fade_mode;
10482   titlescreen_first_default.fade_delay = title_first_default.fade_delay;
10483   titlescreen_first_default.post_delay = title_first_default.post_delay;
10484   titlescreen_first_default.auto_delay = title_first_default.auto_delay;
10485   titlescreen_first_default.auto_delay_unit =
10486     title_first_default.auto_delay_unit;
10487   titlemessage_initial_first_default.fade_mode  =
10488     title_initial_first_default.fade_mode;
10489   titlemessage_initial_first_default.fade_delay =
10490     title_initial_first_default.fade_delay;
10491   titlemessage_initial_first_default.post_delay =
10492     title_initial_first_default.post_delay;
10493   titlemessage_initial_first_default.auto_delay =
10494     title_initial_first_default.auto_delay;
10495   titlemessage_initial_first_default.auto_delay_unit =
10496     title_initial_first_default.auto_delay_unit;
10497   titlemessage_first_default.fade_mode  = title_first_default.fade_mode;
10498   titlemessage_first_default.fade_delay = title_first_default.fade_delay;
10499   titlemessage_first_default.post_delay = title_first_default.post_delay;
10500   titlemessage_first_default.auto_delay = title_first_default.auto_delay;
10501   titlemessage_first_default.auto_delay_unit =
10502     title_first_default.auto_delay_unit;
10503
10504   titlescreen_initial_default.fade_mode  = title_initial_default.fade_mode;
10505   titlescreen_initial_default.fade_delay = title_initial_default.fade_delay;
10506   titlescreen_initial_default.post_delay = title_initial_default.post_delay;
10507   titlescreen_initial_default.auto_delay = title_initial_default.auto_delay;
10508   titlescreen_initial_default.auto_delay_unit =
10509     title_initial_default.auto_delay_unit;
10510   titlescreen_default.fade_mode  = title_default.fade_mode;
10511   titlescreen_default.fade_delay = title_default.fade_delay;
10512   titlescreen_default.post_delay = title_default.post_delay;
10513   titlescreen_default.auto_delay = title_default.auto_delay;
10514   titlescreen_default.auto_delay_unit = title_default.auto_delay_unit;
10515   titlemessage_initial_default.fade_mode  = title_initial_default.fade_mode;
10516   titlemessage_initial_default.fade_delay = title_initial_default.fade_delay;
10517   titlemessage_initial_default.post_delay = title_initial_default.post_delay;
10518   titlemessage_initial_default.auto_delay_unit =
10519     title_initial_default.auto_delay_unit;
10520   titlemessage_default.fade_mode  = title_default.fade_mode;
10521   titlemessage_default.fade_delay = title_default.fade_delay;
10522   titlemessage_default.post_delay = title_default.post_delay;
10523   titlemessage_default.auto_delay = title_default.auto_delay;
10524   titlemessage_default.auto_delay_unit = title_default.auto_delay_unit;
10525
10526   // special case: initialize "ARG_DEFAULT" values in static default config
10527   // (e.g., init "titlemessage_1.fade_mode" from "[titlemessage].fade_mode")
10528   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
10529   {
10530     titlescreen_initial_first[i] = titlescreen_initial_first_default;
10531     titlescreen_first[i] = titlescreen_first_default;
10532     titlemessage_initial_first[i] = titlemessage_initial_first_default;
10533     titlemessage_first[i] = titlemessage_first_default;
10534
10535     titlescreen_initial[i] = titlescreen_initial_default;
10536     titlescreen[i] = titlescreen_default;
10537     titlemessage_initial[i] = titlemessage_initial_default;
10538     titlemessage[i] = titlemessage_default;
10539   }
10540
10541   // special case: initialize "ARG_DEFAULT" values in static default config
10542   // (eg, init "menu.enter_screen.SCORES.xyz" from "menu.enter_screen.xyz")
10543   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
10544   {
10545     if (i == GFX_SPECIAL_ARG_TITLE)     // title values already initialized
10546       continue;
10547
10548     menu.enter_screen[i] = menu.enter_screen[GFX_SPECIAL_ARG_DEFAULT];
10549     menu.leave_screen[i] = menu.leave_screen[GFX_SPECIAL_ARG_DEFAULT];
10550     menu.next_screen[i]  = menu.next_screen[GFX_SPECIAL_ARG_DEFAULT];
10551   }
10552
10553   // special case: initialize "ARG_DEFAULT" values in static default config
10554   // (eg, init "viewport.door_1.MAIN.xyz" from "viewport.door_1.xyz")
10555   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
10556   {
10557     viewport.window[i]    = viewport.window[GFX_SPECIAL_ARG_DEFAULT];
10558     viewport.playfield[i] = viewport.playfield[GFX_SPECIAL_ARG_DEFAULT];
10559     viewport.door_1[i]    = viewport.door_1[GFX_SPECIAL_ARG_DEFAULT];
10560
10561     if (i == GFX_SPECIAL_ARG_EDITOR)    // editor values already initialized
10562       continue;
10563
10564     viewport.door_2[i] = viewport.door_2[GFX_SPECIAL_ARG_DEFAULT];
10565   }
10566 }
10567
10568 static void InitMenuDesignSettings_SpecialPostProcessing(void)
10569 {
10570   static struct
10571   {
10572     struct XY *dst, *src;
10573   }
10574   game_buttons_xy[] =
10575   {
10576     { &game.button.save,        &game.button.stop       },
10577     { &game.button.pause2,      &game.button.pause      },
10578     { &game.button.load,        &game.button.play       },
10579     { &game.button.undo,        &game.button.stop       },
10580     { &game.button.redo,        &game.button.play       },
10581
10582     { NULL,                     NULL                    }
10583   };
10584   int i, j;
10585
10586   // special case: initialize later added SETUP list size from LEVELS value
10587   if (menu.list_size[GAME_MODE_SETUP] == -1)
10588     menu.list_size[GAME_MODE_SETUP] = menu.list_size[GAME_MODE_LEVELS];
10589
10590   // set default position for snapshot buttons to stop/pause/play buttons
10591   for (i = 0; game_buttons_xy[i].dst != NULL; i++)
10592     if ((*game_buttons_xy[i].dst).x == -1 &&
10593         (*game_buttons_xy[i].dst).y == -1)
10594       *game_buttons_xy[i].dst = *game_buttons_xy[i].src;
10595
10596   // --------------------------------------------------------------------------
10597   // dynamic viewports (including playfield margins, borders and alignments)
10598   // --------------------------------------------------------------------------
10599
10600   // dynamic viewports currently only supported for landscape mode
10601   int display_width  = MAX(video.display_width, video.display_height);
10602   int display_height = MIN(video.display_width, video.display_height);
10603
10604   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
10605   {
10606     struct RectWithBorder *vp_window    = &viewport.window[i];
10607     struct RectWithBorder *vp_playfield = &viewport.playfield[i];
10608     struct RectWithBorder *vp_door_1    = &viewport.door_1[i];
10609     struct RectWithBorder *vp_door_2    = &viewport.door_2[i];
10610     boolean dynamic_window_width     = (vp_window->min_width     != -1);
10611     boolean dynamic_window_height    = (vp_window->min_height    != -1);
10612     boolean dynamic_playfield_width  = (vp_playfield->min_width  != -1);
10613     boolean dynamic_playfield_height = (vp_playfield->min_height != -1);
10614
10615     // adjust window size if min/max width/height is specified
10616
10617     if (vp_window->min_width != -1)
10618     {
10619       int window_width = display_width;
10620
10621       // when using static window height, use aspect ratio of display
10622       if (vp_window->min_height == -1)
10623         window_width = vp_window->height * display_width / display_height;
10624
10625       vp_window->width = MAX(vp_window->min_width, window_width);
10626     }
10627
10628     if (vp_window->min_height != -1)
10629     {
10630       int window_height = display_height;
10631
10632       // when using static window width, use aspect ratio of display
10633       if (vp_window->min_width == -1)
10634         window_height = vp_window->width * display_height / display_width;
10635
10636       vp_window->height = MAX(vp_window->min_height, window_height);
10637     }
10638
10639     if (vp_window->max_width != -1)
10640       vp_window->width = MIN(vp_window->width, vp_window->max_width);
10641
10642     if (vp_window->max_height != -1)
10643       vp_window->height = MIN(vp_window->height, vp_window->max_height);
10644
10645     int playfield_width  = vp_window->width;
10646     int playfield_height = vp_window->height;
10647
10648     // adjust playfield size and position according to specified margins
10649
10650     playfield_width  -= vp_playfield->margin_left;
10651     playfield_width  -= vp_playfield->margin_right;
10652
10653     playfield_height -= vp_playfield->margin_top;
10654     playfield_height -= vp_playfield->margin_bottom;
10655
10656     // adjust playfield size if min/max width/height is specified
10657
10658     if (vp_playfield->min_width != -1)
10659       vp_playfield->width = MAX(vp_playfield->min_width, playfield_width);
10660
10661     if (vp_playfield->min_height != -1)
10662       vp_playfield->height = MAX(vp_playfield->min_height, playfield_height);
10663
10664     if (vp_playfield->max_width != -1)
10665       vp_playfield->width = MIN(vp_playfield->width, vp_playfield->max_width);
10666
10667     if (vp_playfield->max_height != -1)
10668       vp_playfield->height = MIN(vp_playfield->height,vp_playfield->max_height);
10669
10670     // adjust playfield position according to specified alignment
10671
10672     if (vp_playfield->align == ALIGN_LEFT || vp_playfield->x > 0)
10673       vp_playfield->x = ALIGNED_VP_XPOS(vp_playfield);
10674     else if (vp_playfield->align == ALIGN_CENTER)
10675       vp_playfield->x = playfield_width / 2 - vp_playfield->width / 2;
10676     else if (vp_playfield->align == ALIGN_RIGHT)
10677       vp_playfield->x += playfield_width - vp_playfield->width;
10678
10679     if (vp_playfield->valign == VALIGN_TOP || vp_playfield->y > 0)
10680       vp_playfield->y = ALIGNED_VP_YPOS(vp_playfield);
10681     else if (vp_playfield->valign == VALIGN_MIDDLE)
10682       vp_playfield->y = playfield_height / 2 - vp_playfield->height / 2;
10683     else if (vp_playfield->valign == VALIGN_BOTTOM)
10684       vp_playfield->y += playfield_height - vp_playfield->height;
10685
10686     vp_playfield->x += vp_playfield->margin_left;
10687     vp_playfield->y += vp_playfield->margin_top;
10688
10689     // adjust individual playfield borders if only default border is specified
10690
10691     if (vp_playfield->border_left == -1)
10692       vp_playfield->border_left = vp_playfield->border_size;
10693     if (vp_playfield->border_right == -1)
10694       vp_playfield->border_right = vp_playfield->border_size;
10695     if (vp_playfield->border_top == -1)
10696       vp_playfield->border_top = vp_playfield->border_size;
10697     if (vp_playfield->border_bottom == -1)
10698       vp_playfield->border_bottom = vp_playfield->border_size;
10699
10700     // set dynamic playfield borders if borders are specified as undefined
10701     // (but only if window size was dynamic and playfield size was static)
10702
10703     if (dynamic_window_width && !dynamic_playfield_width)
10704     {
10705       if (vp_playfield->border_left == -1)
10706       {
10707         vp_playfield->border_left = (vp_playfield->x -
10708                                      vp_playfield->margin_left);
10709         vp_playfield->x     -= vp_playfield->border_left;
10710         vp_playfield->width += vp_playfield->border_left;
10711       }
10712
10713       if (vp_playfield->border_right == -1)
10714       {
10715         vp_playfield->border_right = (vp_window->width -
10716                                       vp_playfield->x -
10717                                       vp_playfield->width -
10718                                       vp_playfield->margin_right);
10719         vp_playfield->width += vp_playfield->border_right;
10720       }
10721     }
10722
10723     if (dynamic_window_height && !dynamic_playfield_height)
10724     {
10725       if (vp_playfield->border_top == -1)
10726       {
10727         vp_playfield->border_top = (vp_playfield->y -
10728                                     vp_playfield->margin_top);
10729         vp_playfield->y      -= vp_playfield->border_top;
10730         vp_playfield->height += vp_playfield->border_top;
10731       }
10732
10733       if (vp_playfield->border_bottom == -1)
10734       {
10735         vp_playfield->border_bottom = (vp_window->height -
10736                                        vp_playfield->y -
10737                                        vp_playfield->height -
10738                                        vp_playfield->margin_bottom);
10739         vp_playfield->height += vp_playfield->border_bottom;
10740       }
10741     }
10742
10743     // adjust playfield size to be a multiple of a defined alignment tile size
10744
10745     int align_size = vp_playfield->align_size;
10746     int playfield_xtiles = vp_playfield->width  / align_size;
10747     int playfield_ytiles = vp_playfield->height / align_size;
10748     int playfield_width_corrected  = playfield_xtiles * align_size;
10749     int playfield_height_corrected = playfield_ytiles * align_size;
10750     boolean is_playfield_mode = (i == GFX_SPECIAL_ARG_PLAYING ||
10751                                  i == GFX_SPECIAL_ARG_EDITOR);
10752
10753     if (is_playfield_mode &&
10754         dynamic_playfield_width &&
10755         vp_playfield->width != playfield_width_corrected)
10756     {
10757       int playfield_xdiff = vp_playfield->width - playfield_width_corrected;
10758
10759       vp_playfield->width = playfield_width_corrected;
10760
10761       if (vp_playfield->align == ALIGN_LEFT)
10762       {
10763         vp_playfield->border_left += playfield_xdiff;
10764       }
10765       else if (vp_playfield->align == ALIGN_RIGHT)
10766       {
10767         vp_playfield->border_right += playfield_xdiff;
10768       }
10769       else if (vp_playfield->align == ALIGN_CENTER)
10770       {
10771         int border_left_diff  = playfield_xdiff / 2;
10772         int border_right_diff = playfield_xdiff - border_left_diff;
10773
10774         vp_playfield->border_left  += border_left_diff;
10775         vp_playfield->border_right += border_right_diff;
10776       }
10777     }
10778
10779     if (is_playfield_mode &&
10780         dynamic_playfield_height &&
10781         vp_playfield->height != playfield_height_corrected)
10782     {
10783       int playfield_ydiff = vp_playfield->height - playfield_height_corrected;
10784
10785       vp_playfield->height = playfield_height_corrected;
10786
10787       if (vp_playfield->valign == VALIGN_TOP)
10788       {
10789         vp_playfield->border_top += playfield_ydiff;
10790       }
10791       else if (vp_playfield->align == VALIGN_BOTTOM)
10792       {
10793         vp_playfield->border_right += playfield_ydiff;
10794       }
10795       else if (vp_playfield->align == VALIGN_MIDDLE)
10796       {
10797         int border_top_diff    = playfield_ydiff / 2;
10798         int border_bottom_diff = playfield_ydiff - border_top_diff;
10799
10800         vp_playfield->border_top    += border_top_diff;
10801         vp_playfield->border_bottom += border_bottom_diff;
10802       }
10803     }
10804
10805     // adjust door positions according to specified alignment
10806
10807     for (j = 0; j < 2; j++)
10808     {
10809       struct RectWithBorder *vp_door = (j == 0 ? vp_door_1 : vp_door_2);
10810
10811       if (vp_door->align == ALIGN_LEFT || vp_door->x > 0)
10812         vp_door->x = ALIGNED_VP_XPOS(vp_door);
10813       else if (vp_door->align == ALIGN_CENTER)
10814         vp_door->x = vp_window->width / 2 - vp_door->width / 2;
10815       else if (vp_door->align == ALIGN_RIGHT)
10816         vp_door->x += vp_window->width - vp_door->width;
10817
10818       if (vp_door->valign == VALIGN_TOP || vp_door->y > 0)
10819         vp_door->y = ALIGNED_VP_YPOS(vp_door);
10820       else if (vp_door->valign == VALIGN_MIDDLE)
10821         vp_door->y = vp_window->height / 2 - vp_door->height / 2;
10822       else if (vp_door->valign == VALIGN_BOTTOM)
10823         vp_door->y += vp_window->height - vp_door->height;
10824     }
10825   }
10826 }
10827
10828 static void InitMenuDesignSettings_SpecialPostProcessing_AfterGraphics(void)
10829 {
10830   static struct
10831   {
10832     struct XYTileSize *dst, *src;
10833     int graphic;
10834   }
10835   editor_buttons_xy[] =
10836   {
10837     {
10838       &editor.button.element_left,      &editor.palette.element_left,
10839       IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT
10840     },
10841     {
10842       &editor.button.element_middle,    &editor.palette.element_middle,
10843       IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE
10844     },
10845     {
10846       &editor.button.element_right,     &editor.palette.element_right,
10847       IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT
10848     },
10849
10850     { NULL,                     NULL                    }
10851   };
10852   int i;
10853
10854   // set default position for element buttons to element graphics
10855   for (i = 0; editor_buttons_xy[i].dst != NULL; i++)
10856   {
10857     if ((*editor_buttons_xy[i].dst).x == -1 &&
10858         (*editor_buttons_xy[i].dst).y == -1)
10859     {
10860       struct GraphicInfo *gd = &graphic_info[editor_buttons_xy[i].graphic];
10861
10862       gd->width = gd->height = editor_buttons_xy[i].src->tile_size;
10863
10864       *editor_buttons_xy[i].dst = *editor_buttons_xy[i].src;
10865     }
10866   }
10867
10868   // adjust editor palette rows and columns if specified to be dynamic
10869
10870   if (editor.palette.cols == -1)
10871   {
10872     int vp_width = viewport.playfield[GFX_SPECIAL_ARG_EDITOR].width;
10873     int bt_width = graphic_info[IMG_EDITOR_PALETTE_BUTTON].width;
10874     int sc_width = graphic_info[IMG_EDITOR_PALETTE_SCROLLBAR].width;
10875
10876     editor.palette.cols = (vp_width - sc_width) / bt_width;
10877
10878     if (editor.palette.x == -1)
10879     {
10880       int palette_width = editor.palette.cols * bt_width + sc_width;
10881
10882       editor.palette.x = (vp_width - palette_width) / 2;
10883     }
10884   }
10885
10886   if (editor.palette.rows == -1)
10887   {
10888     int vp_height = viewport.playfield[GFX_SPECIAL_ARG_EDITOR].height;
10889     int bt_height = graphic_info[IMG_EDITOR_PALETTE_BUTTON].height;
10890     int tx_height = getFontHeight(FONT_TEXT_2);
10891
10892     editor.palette.rows = (vp_height - tx_height) / bt_height;
10893
10894     if (editor.palette.y == -1)
10895     {
10896       int palette_height = editor.palette.rows * bt_height + tx_height;
10897
10898       editor.palette.y = (vp_height - palette_height) / 2;
10899     }
10900   }
10901 }
10902
10903 static void LoadMenuDesignSettingsFromFilename(char *filename)
10904 {
10905   static struct TitleFadingInfo tfi;
10906   static struct TitleMessageInfo tmi;
10907   static struct TokenInfo title_tokens[] =
10908   {
10909     { TYPE_INTEGER,     &tfi.fade_mode,         ".fade_mode"            },
10910     { TYPE_INTEGER,     &tfi.fade_delay,        ".fade_delay"           },
10911     { TYPE_INTEGER,     &tfi.post_delay,        ".post_delay"           },
10912     { TYPE_INTEGER,     &tfi.auto_delay,        ".auto_delay"           },
10913     { TYPE_INTEGER,     &tfi.auto_delay_unit,   ".auto_delay_unit"      },
10914
10915     { -1,               NULL,                   NULL                    }
10916   };
10917   static struct TokenInfo titlemessage_tokens[] =
10918   {
10919     { TYPE_INTEGER,     &tmi.x,                 ".x"                    },
10920     { TYPE_INTEGER,     &tmi.y,                 ".y"                    },
10921     { TYPE_INTEGER,     &tmi.width,             ".width"                },
10922     { TYPE_INTEGER,     &tmi.height,            ".height"               },
10923     { TYPE_INTEGER,     &tmi.chars,             ".chars"                },
10924     { TYPE_INTEGER,     &tmi.lines,             ".lines"                },
10925     { TYPE_INTEGER,     &tmi.align,             ".align"                },
10926     { TYPE_INTEGER,     &tmi.valign,            ".valign"               },
10927     { TYPE_INTEGER,     &tmi.font,              ".font"                 },
10928     { TYPE_BOOLEAN,     &tmi.autowrap,          ".autowrap"             },
10929     { TYPE_BOOLEAN,     &tmi.centered,          ".centered"             },
10930     { TYPE_BOOLEAN,     &tmi.parse_comments,    ".parse_comments"       },
10931     { TYPE_INTEGER,     &tmi.sort_priority,     ".sort_priority"        },
10932     { TYPE_INTEGER,     &tmi.fade_mode,         ".fade_mode"            },
10933     { TYPE_INTEGER,     &tmi.fade_delay,        ".fade_delay"           },
10934     { TYPE_INTEGER,     &tmi.post_delay,        ".post_delay"           },
10935     { TYPE_INTEGER,     &tmi.auto_delay,        ".auto_delay"           },
10936     { TYPE_INTEGER,     &tmi.auto_delay_unit,   ".auto_delay_unit"      },
10937
10938     { -1,               NULL,                   NULL                    }
10939   };
10940   static struct
10941   {
10942     struct TitleFadingInfo *info;
10943     char *text;
10944   }
10945   title_info[] =
10946   {
10947     // initialize first titles from "enter screen" definitions, if defined
10948     { &title_initial_first_default,     "menu.enter_screen.TITLE"       },
10949     { &title_first_default,             "menu.enter_screen.TITLE"       },
10950
10951     // initialize title screens from "next screen" definitions, if defined
10952     { &title_initial_default,           "menu.next_screen.TITLE"        },
10953     { &title_default,                   "menu.next_screen.TITLE"        },
10954
10955     { NULL,                             NULL                            }
10956   };
10957   static struct
10958   {
10959     struct TitleMessageInfo *array;
10960     char *text;
10961   }
10962   titlemessage_arrays[] =
10963   {
10964     // initialize first titles from "enter screen" definitions, if defined
10965     { titlescreen_initial_first,        "menu.enter_screen.TITLE"       },
10966     { titlescreen_first,                "menu.enter_screen.TITLE"       },
10967     { titlemessage_initial_first,       "menu.enter_screen.TITLE"       },
10968     { titlemessage_first,               "menu.enter_screen.TITLE"       },
10969
10970     // initialize titles from "next screen" definitions, if defined
10971     { titlescreen_initial,              "menu.next_screen.TITLE"        },
10972     { titlescreen,                      "menu.next_screen.TITLE"        },
10973     { titlemessage_initial,             "menu.next_screen.TITLE"        },
10974     { titlemessage,                     "menu.next_screen.TITLE"        },
10975
10976     // overwrite titles with title definitions, if defined
10977     { titlescreen_initial_first,        "[title_initial]"               },
10978     { titlescreen_first,                "[title]"                       },
10979     { titlemessage_initial_first,       "[title_initial]"               },
10980     { titlemessage_first,               "[title]"                       },
10981
10982     { titlescreen_initial,              "[title_initial]"               },
10983     { titlescreen,                      "[title]"                       },
10984     { titlemessage_initial,             "[title_initial]"               },
10985     { titlemessage,                     "[title]"                       },
10986
10987     // overwrite titles with title screen/message definitions, if defined
10988     { titlescreen_initial_first,        "[titlescreen_initial]"         },
10989     { titlescreen_first,                "[titlescreen]"                 },
10990     { titlemessage_initial_first,       "[titlemessage_initial]"        },
10991     { titlemessage_first,               "[titlemessage]"                },
10992
10993     { titlescreen_initial,              "[titlescreen_initial]"         },
10994     { titlescreen,                      "[titlescreen]"                 },
10995     { titlemessage_initial,             "[titlemessage_initial]"        },
10996     { titlemessage,                     "[titlemessage]"                },
10997
10998     { NULL,                             NULL                            }
10999   };
11000   SetupFileHash *setup_file_hash;
11001   int i, j, k;
11002
11003   if ((setup_file_hash = loadSetupFileHash(filename)) == NULL)
11004     return;
11005
11006   // the following initializes hierarchical values from dynamic configuration
11007
11008   // special case: initialize with default values that may be overwritten
11009   // (e.g., init "menu.draw_xoffset.INFO" from "menu.draw_xoffset")
11010   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11011   {
11012     struct TokenIntPtrInfo menu_config[] =
11013     {
11014       { "menu.draw_xoffset",    &menu.draw_xoffset[i]   },
11015       { "menu.draw_yoffset",    &menu.draw_yoffset[i]   },
11016       { "menu.list_size",       &menu.list_size[i]      }
11017     };
11018
11019     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
11020     {
11021       char *token = menu_config[j].token;
11022       char *value = getHashEntry(setup_file_hash, token);
11023
11024       if (value != NULL)
11025         *menu_config[j].value = get_integer_from_string(value);
11026     }
11027   }
11028
11029   // special case: initialize with default values that may be overwritten
11030   // (eg, init "menu.draw_xoffset.INFO[XXX]" from "menu.draw_xoffset.INFO")
11031   for (i = 0; i < NUM_SPECIAL_GFX_INFO_ARGS; i++)
11032   {
11033     struct TokenIntPtrInfo menu_config[] =
11034     {
11035       { "menu.draw_xoffset.INFO",       &menu.draw_xoffset_info[i]      },
11036       { "menu.draw_yoffset.INFO",       &menu.draw_yoffset_info[i]      },
11037       { "menu.list_size.INFO",          &menu.list_size_info[i]         }
11038     };
11039
11040     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
11041     {
11042       char *token = menu_config[j].token;
11043       char *value = getHashEntry(setup_file_hash, token);
11044
11045       if (value != NULL)
11046         *menu_config[j].value = get_integer_from_string(value);
11047     }
11048   }
11049
11050   // special case: initialize with default values that may be overwritten
11051   // (eg, init "menu.draw_xoffset.SETUP[XXX]" from "menu.draw_xoffset.SETUP")
11052   for (i = 0; i < NUM_SPECIAL_GFX_SETUP_ARGS; i++)
11053   {
11054     struct TokenIntPtrInfo menu_config[] =
11055     {
11056       { "menu.draw_xoffset.SETUP",      &menu.draw_xoffset_setup[i]     },
11057       { "menu.draw_yoffset.SETUP",      &menu.draw_yoffset_setup[i]     }
11058     };
11059
11060     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
11061     {
11062       char *token = menu_config[j].token;
11063       char *value = getHashEntry(setup_file_hash, token);
11064
11065       if (value != NULL)
11066         *menu_config[j].value = get_integer_from_string(value);
11067     }
11068   }
11069
11070   // special case: initialize with default values that may be overwritten
11071   // (eg, init "menu.line_spacing.INFO[XXX]" from "menu.line_spacing.INFO")
11072   for (i = 0; i < NUM_SPECIAL_GFX_INFO_ARGS; i++)
11073   {
11074     struct TokenIntPtrInfo menu_config[] =
11075     {
11076       { "menu.left_spacing.INFO",       &menu.left_spacing_info[i]      },
11077       { "menu.right_spacing.INFO",      &menu.right_spacing_info[i]     },
11078       { "menu.top_spacing.INFO",        &menu.top_spacing_info[i]       },
11079       { "menu.bottom_spacing.INFO",     &menu.bottom_spacing_info[i]    },
11080       { "menu.paragraph_spacing.INFO",  &menu.paragraph_spacing_info[i] },
11081       { "menu.headline1_spacing.INFO",  &menu.headline1_spacing_info[i] },
11082       { "menu.headline2_spacing.INFO",  &menu.headline2_spacing_info[i] },
11083       { "menu.line_spacing.INFO",       &menu.line_spacing_info[i]      },
11084       { "menu.extra_spacing.INFO",      &menu.extra_spacing_info[i]     },
11085     };
11086
11087     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
11088     {
11089       char *token = menu_config[j].token;
11090       char *value = getHashEntry(setup_file_hash, token);
11091
11092       if (value != NULL)
11093         *menu_config[j].value = get_integer_from_string(value);
11094     }
11095   }
11096
11097   // special case: initialize with default values that may be overwritten
11098   // (eg, init "menu.enter_screen.SCORES.xyz" from "menu.enter_screen.xyz")
11099   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11100   {
11101     struct TokenIntPtrInfo menu_config[] =
11102     {
11103       { "menu.enter_screen.fade_mode",  &menu.enter_screen[i].fade_mode  },
11104       { "menu.enter_screen.fade_delay", &menu.enter_screen[i].fade_delay },
11105       { "menu.enter_screen.post_delay", &menu.enter_screen[i].post_delay },
11106       { "menu.leave_screen.fade_mode",  &menu.leave_screen[i].fade_mode  },
11107       { "menu.leave_screen.fade_delay", &menu.leave_screen[i].fade_delay },
11108       { "menu.leave_screen.post_delay", &menu.leave_screen[i].post_delay },
11109       { "menu.next_screen.fade_mode",   &menu.next_screen[i].fade_mode   },
11110       { "menu.next_screen.fade_delay",  &menu.next_screen[i].fade_delay  },
11111       { "menu.next_screen.post_delay",  &menu.next_screen[i].post_delay  }
11112     };
11113
11114     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
11115     {
11116       char *token = menu_config[j].token;
11117       char *value = getHashEntry(setup_file_hash, token);
11118
11119       if (value != NULL)
11120         *menu_config[j].value = get_token_parameter_value(token, value);
11121     }
11122   }
11123
11124   // special case: initialize with default values that may be overwritten
11125   // (eg, init "viewport.door_1.MAIN.xyz" from "viewport.door_1.xyz")
11126   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11127   {
11128     struct
11129     {
11130       char *token_prefix;
11131       struct RectWithBorder *struct_ptr;
11132     }
11133     vp_struct[] =
11134     {
11135       { "viewport.window",      &viewport.window[i]     },
11136       { "viewport.playfield",   &viewport.playfield[i]  },
11137       { "viewport.door_1",      &viewport.door_1[i]     },
11138       { "viewport.door_2",      &viewport.door_2[i]     }
11139     };
11140
11141     for (j = 0; j < ARRAY_SIZE(vp_struct); j++)
11142     {
11143       struct TokenIntPtrInfo vp_config[] =
11144       {
11145         { ".x",                 &vp_struct[j].struct_ptr->x             },
11146         { ".y",                 &vp_struct[j].struct_ptr->y             },
11147         { ".width",             &vp_struct[j].struct_ptr->width         },
11148         { ".height",            &vp_struct[j].struct_ptr->height        },
11149         { ".min_width",         &vp_struct[j].struct_ptr->min_width     },
11150         { ".min_height",        &vp_struct[j].struct_ptr->min_height    },
11151         { ".max_width",         &vp_struct[j].struct_ptr->max_width     },
11152         { ".max_height",        &vp_struct[j].struct_ptr->max_height    },
11153         { ".margin_left",       &vp_struct[j].struct_ptr->margin_left   },
11154         { ".margin_right",      &vp_struct[j].struct_ptr->margin_right  },
11155         { ".margin_top",        &vp_struct[j].struct_ptr->margin_top    },
11156         { ".margin_bottom",     &vp_struct[j].struct_ptr->margin_bottom },
11157         { ".border_left",       &vp_struct[j].struct_ptr->border_left   },
11158         { ".border_right",      &vp_struct[j].struct_ptr->border_right  },
11159         { ".border_top",        &vp_struct[j].struct_ptr->border_top    },
11160         { ".border_bottom",     &vp_struct[j].struct_ptr->border_bottom },
11161         { ".border_size",       &vp_struct[j].struct_ptr->border_size   },
11162         { ".align_size",        &vp_struct[j].struct_ptr->align_size    },
11163         { ".align",             &vp_struct[j].struct_ptr->align         },
11164         { ".valign",            &vp_struct[j].struct_ptr->valign        }
11165       };
11166
11167       for (k = 0; k < ARRAY_SIZE(vp_config); k++)
11168       {
11169         char *token = getStringCat2(vp_struct[j].token_prefix,
11170                                     vp_config[k].token);
11171         char *value = getHashEntry(setup_file_hash, token);
11172
11173         if (value != NULL)
11174           *vp_config[k].value = get_token_parameter_value(token, value);
11175
11176         free(token);
11177       }
11178     }
11179   }
11180
11181   // special case: initialize with default values that may be overwritten
11182   // (e.g., init "[title].fade_mode" from "menu.next_screen.TITLE.fade_mode")
11183   for (i = 0; title_info[i].info != NULL; i++)
11184   {
11185     struct TitleFadingInfo *info = title_info[i].info;
11186     char *base_token = title_info[i].text;
11187
11188     for (j = 0; title_tokens[j].type != -1; j++)
11189     {
11190       char *token = getStringCat2(base_token, title_tokens[j].text);
11191       char *value = getHashEntry(setup_file_hash, token);
11192
11193       if (value != NULL)
11194       {
11195         int parameter_value = get_token_parameter_value(token, value);
11196
11197         tfi = *info;
11198
11199         *(int *)title_tokens[j].value = (int)parameter_value;
11200
11201         *info = tfi;
11202       }
11203
11204       free(token);
11205     }
11206   }
11207
11208   // special case: initialize with default values that may be overwritten
11209   // (e.g., init "titlemessage_1.fade_mode" from "[titlemessage].fade_mode")
11210   for (i = 0; titlemessage_arrays[i].array != NULL; i++)
11211   {
11212     struct TitleMessageInfo *array = titlemessage_arrays[i].array;
11213     char *base_token = titlemessage_arrays[i].text;
11214
11215     for (j = 0; titlemessage_tokens[j].type != -1; j++)
11216     {
11217       char *token = getStringCat2(base_token, titlemessage_tokens[j].text);
11218       char *value = getHashEntry(setup_file_hash, token);
11219
11220       if (value != NULL)
11221       {
11222         int parameter_value = get_token_parameter_value(token, value);
11223
11224         for (k = 0; k < MAX_NUM_TITLE_MESSAGES; k++)
11225         {
11226           tmi = array[k];
11227
11228           if (titlemessage_tokens[j].type == TYPE_INTEGER)
11229             *(int     *)titlemessage_tokens[j].value = (int)parameter_value;
11230           else
11231             *(boolean *)titlemessage_tokens[j].value = (boolean)parameter_value;
11232
11233           array[k] = tmi;
11234         }
11235       }
11236
11237       free(token);
11238     }
11239   }
11240
11241   // special case: check if network and preview player positions are redefined,
11242   // to compare this later against the main menu level preview being redefined
11243   struct TokenIntPtrInfo menu_config_players[] =
11244   {
11245     { "main.network_players.x", &menu.main.network_players.redefined    },
11246     { "main.network_players.y", &menu.main.network_players.redefined    },
11247     { "main.preview_players.x", &menu.main.preview_players.redefined    },
11248     { "main.preview_players.y", &menu.main.preview_players.redefined    },
11249     { "preview.x",              &preview.redefined                      },
11250     { "preview.y",              &preview.redefined                      }
11251   };
11252
11253   for (i = 0; i < ARRAY_SIZE(menu_config_players); i++)
11254     *menu_config_players[i].value = FALSE;
11255
11256   for (i = 0; i < ARRAY_SIZE(menu_config_players); i++)
11257     if (getHashEntry(setup_file_hash, menu_config_players[i].token) != NULL)
11258       *menu_config_players[i].value = TRUE;
11259
11260   // read (and overwrite with) values that may be specified in config file
11261   for (i = 0; image_config_vars[i].token != NULL; i++)
11262   {
11263     char *value = getHashEntry(setup_file_hash, image_config_vars[i].token);
11264
11265     // (ignore definitions set to "[DEFAULT]" which are already initialized)
11266     if (value != NULL && !strEqual(value, ARG_DEFAULT))
11267       *image_config_vars[i].value =
11268         get_token_parameter_value(image_config_vars[i].token, value);
11269   }
11270
11271   freeSetupFileHash(setup_file_hash);
11272 }
11273
11274 void LoadMenuDesignSettings(void)
11275 {
11276   char *filename_base = UNDEFINED_FILENAME, *filename_local;
11277
11278   InitMenuDesignSettings_Static();
11279   InitMenuDesignSettings_SpecialPreProcessing();
11280
11281   if (!GFX_OVERRIDE_ARTWORK(ARTWORK_TYPE_GRAPHICS))
11282   {
11283     // first look for special settings configured in level series config
11284     filename_base = getCustomArtworkLevelConfigFilename(ARTWORK_TYPE_GRAPHICS);
11285
11286     if (fileExists(filename_base))
11287       LoadMenuDesignSettingsFromFilename(filename_base);
11288   }
11289
11290   filename_local = getCustomArtworkConfigFilename(ARTWORK_TYPE_GRAPHICS);
11291
11292   if (filename_local != NULL && !strEqual(filename_base, filename_local))
11293     LoadMenuDesignSettingsFromFilename(filename_local);
11294
11295   InitMenuDesignSettings_SpecialPostProcessing();
11296 }
11297
11298 void LoadMenuDesignSettings_AfterGraphics(void)
11299 {
11300   InitMenuDesignSettings_SpecialPostProcessing_AfterGraphics();
11301 }
11302
11303 void LoadUserDefinedEditorElementList(int **elements, int *num_elements)
11304 {
11305   char *filename = getEditorSetupFilename();
11306   SetupFileList *setup_file_list, *list;
11307   SetupFileHash *element_hash;
11308   int num_unknown_tokens = 0;
11309   int i;
11310
11311   if ((setup_file_list = loadSetupFileList(filename)) == NULL)
11312     return;
11313
11314   element_hash = newSetupFileHash();
11315
11316   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
11317     setHashEntry(element_hash, element_info[i].token_name, i_to_a(i));
11318
11319   // determined size may be larger than needed (due to unknown elements)
11320   *num_elements = 0;
11321   for (list = setup_file_list; list != NULL; list = list->next)
11322     (*num_elements)++;
11323
11324   // add space for up to 3 more elements for padding that may be needed
11325   *num_elements += 3;
11326
11327   // free memory for old list of elements, if needed
11328   checked_free(*elements);
11329
11330   // allocate memory for new list of elements
11331   *elements = checked_malloc(*num_elements * sizeof(int));
11332
11333   *num_elements = 0;
11334   for (list = setup_file_list; list != NULL; list = list->next)
11335   {
11336     char *value = getHashEntry(element_hash, list->token);
11337
11338     if (value == NULL)          // try to find obsolete token mapping
11339     {
11340       char *mapped_token = get_mapped_token(list->token);
11341
11342       if (mapped_token != NULL)
11343       {
11344         value = getHashEntry(element_hash, mapped_token);
11345
11346         free(mapped_token);
11347       }
11348     }
11349
11350     if (value != NULL)
11351     {
11352       (*elements)[(*num_elements)++] = atoi(value);
11353     }
11354     else
11355     {
11356       if (num_unknown_tokens == 0)
11357       {
11358         Warn("---");
11359         Warn("unknown token(s) found in config file:");
11360         Warn("- config file: '%s'", filename);
11361
11362         num_unknown_tokens++;
11363       }
11364
11365       Warn("- token: '%s'", list->token);
11366     }
11367   }
11368
11369   if (num_unknown_tokens > 0)
11370     Warn("---");
11371
11372   while (*num_elements % 4)     // pad with empty elements, if needed
11373     (*elements)[(*num_elements)++] = EL_EMPTY;
11374
11375   freeSetupFileList(setup_file_list);
11376   freeSetupFileHash(element_hash);
11377
11378 #if 0
11379   for (i = 0; i < *num_elements; i++)
11380     Debug("editor", "element '%s' [%d]\n",
11381           element_info[(*elements)[i]].token_name, (*elements)[i]);
11382 #endif
11383 }
11384
11385 static struct MusicFileInfo *get_music_file_info_ext(char *basename, int music,
11386                                                      boolean is_sound)
11387 {
11388   SetupFileHash *setup_file_hash = NULL;
11389   struct MusicFileInfo tmp_music_file_info, *new_music_file_info;
11390   char *filename_music, *filename_prefix, *filename_info;
11391   struct
11392   {
11393     char *token;
11394     char **value_ptr;
11395   }
11396   token_to_value_ptr[] =
11397   {
11398     { "title_header",   &tmp_music_file_info.title_header       },
11399     { "artist_header",  &tmp_music_file_info.artist_header      },
11400     { "album_header",   &tmp_music_file_info.album_header       },
11401     { "year_header",    &tmp_music_file_info.year_header        },
11402
11403     { "title",          &tmp_music_file_info.title              },
11404     { "artist",         &tmp_music_file_info.artist             },
11405     { "album",          &tmp_music_file_info.album              },
11406     { "year",           &tmp_music_file_info.year               },
11407
11408     { NULL,             NULL                                    },
11409   };
11410   int i;
11411
11412   filename_music = (is_sound ? getCustomSoundFilename(basename) :
11413                     getCustomMusicFilename(basename));
11414
11415   if (filename_music == NULL)
11416     return NULL;
11417
11418   // ---------- try to replace file extension ----------
11419
11420   filename_prefix = getStringCopy(filename_music);
11421   if (strrchr(filename_prefix, '.') != NULL)
11422     *strrchr(filename_prefix, '.') = '\0';
11423   filename_info = getStringCat2(filename_prefix, ".txt");
11424
11425   if (fileExists(filename_info))
11426     setup_file_hash = loadSetupFileHash(filename_info);
11427
11428   free(filename_prefix);
11429   free(filename_info);
11430
11431   if (setup_file_hash == NULL)
11432   {
11433     // ---------- try to add file extension ----------
11434
11435     filename_prefix = getStringCopy(filename_music);
11436     filename_info = getStringCat2(filename_prefix, ".txt");
11437
11438     if (fileExists(filename_info))
11439       setup_file_hash = loadSetupFileHash(filename_info);
11440
11441     free(filename_prefix);
11442     free(filename_info);
11443   }
11444
11445   if (setup_file_hash == NULL)
11446     return NULL;
11447
11448   // ---------- music file info found ----------
11449
11450   clear_mem(&tmp_music_file_info, sizeof(struct MusicFileInfo));
11451
11452   for (i = 0; token_to_value_ptr[i].token != NULL; i++)
11453   {
11454     char *value = getHashEntry(setup_file_hash, token_to_value_ptr[i].token);
11455
11456     *token_to_value_ptr[i].value_ptr =
11457       getStringCopy(value != NULL && *value != '\0' ? value : UNKNOWN_NAME);
11458   }
11459
11460   tmp_music_file_info.basename = getStringCopy(basename);
11461   tmp_music_file_info.music = music;
11462   tmp_music_file_info.is_sound = is_sound;
11463
11464   new_music_file_info = checked_malloc(sizeof(struct MusicFileInfo));
11465   *new_music_file_info = tmp_music_file_info;
11466
11467   return new_music_file_info;
11468 }
11469
11470 static struct MusicFileInfo *get_music_file_info(char *basename, int music)
11471 {
11472   return get_music_file_info_ext(basename, music, FALSE);
11473 }
11474
11475 static struct MusicFileInfo *get_sound_file_info(char *basename, int sound)
11476 {
11477   return get_music_file_info_ext(basename, sound, TRUE);
11478 }
11479
11480 static boolean music_info_listed_ext(struct MusicFileInfo *list,
11481                                      char *basename, boolean is_sound)
11482 {
11483   for (; list != NULL; list = list->next)
11484     if (list->is_sound == is_sound && strEqual(list->basename, basename))
11485       return TRUE;
11486
11487   return FALSE;
11488 }
11489
11490 static boolean music_info_listed(struct MusicFileInfo *list, char *basename)
11491 {
11492   return music_info_listed_ext(list, basename, FALSE);
11493 }
11494
11495 static boolean sound_info_listed(struct MusicFileInfo *list, char *basename)
11496 {
11497   return music_info_listed_ext(list, basename, TRUE);
11498 }
11499
11500 void LoadMusicInfo(void)
11501 {
11502   char *music_directory = getCustomMusicDirectory();
11503   int num_music = getMusicListSize();
11504   int num_music_noconf = 0;
11505   int num_sounds = getSoundListSize();
11506   Directory *dir;
11507   DirectoryEntry *dir_entry;
11508   struct FileInfo *music, *sound;
11509   struct MusicFileInfo *next, **new;
11510   int i;
11511
11512   while (music_file_info != NULL)
11513   {
11514     next = music_file_info->next;
11515
11516     checked_free(music_file_info->basename);
11517
11518     checked_free(music_file_info->title_header);
11519     checked_free(music_file_info->artist_header);
11520     checked_free(music_file_info->album_header);
11521     checked_free(music_file_info->year_header);
11522
11523     checked_free(music_file_info->title);
11524     checked_free(music_file_info->artist);
11525     checked_free(music_file_info->album);
11526     checked_free(music_file_info->year);
11527
11528     free(music_file_info);
11529
11530     music_file_info = next;
11531   }
11532
11533   new = &music_file_info;
11534
11535   for (i = 0; i < num_music; i++)
11536   {
11537     music = getMusicListEntry(i);
11538
11539     if (music->filename == NULL)
11540       continue;
11541
11542     if (strEqual(music->filename, UNDEFINED_FILENAME))
11543       continue;
11544
11545     // a configured file may be not recognized as music
11546     if (!FileIsMusic(music->filename))
11547       continue;
11548
11549     if (!music_info_listed(music_file_info, music->filename))
11550     {
11551       *new = get_music_file_info(music->filename, i);
11552
11553       if (*new != NULL)
11554         new = &(*new)->next;
11555     }
11556   }
11557
11558   if ((dir = openDirectory(music_directory)) == NULL)
11559   {
11560     Warn("cannot read music directory '%s'", music_directory);
11561
11562     return;
11563   }
11564
11565   while ((dir_entry = readDirectory(dir)) != NULL)      // loop all entries
11566   {
11567     char *basename = dir_entry->basename;
11568     boolean music_already_used = FALSE;
11569     int i;
11570
11571     // skip all music files that are configured in music config file
11572     for (i = 0; i < num_music; i++)
11573     {
11574       music = getMusicListEntry(i);
11575
11576       if (music->filename == NULL)
11577         continue;
11578
11579       if (strEqual(basename, music->filename))
11580       {
11581         music_already_used = TRUE;
11582         break;
11583       }
11584     }
11585
11586     if (music_already_used)
11587       continue;
11588
11589     if (!FileIsMusic(dir_entry->filename))
11590       continue;
11591
11592     if (!music_info_listed(music_file_info, basename))
11593     {
11594       *new = get_music_file_info(basename, MAP_NOCONF_MUSIC(num_music_noconf));
11595
11596       if (*new != NULL)
11597         new = &(*new)->next;
11598     }
11599
11600     num_music_noconf++;
11601   }
11602
11603   closeDirectory(dir);
11604
11605   for (i = 0; i < num_sounds; i++)
11606   {
11607     sound = getSoundListEntry(i);
11608
11609     if (sound->filename == NULL)
11610       continue;
11611
11612     if (strEqual(sound->filename, UNDEFINED_FILENAME))
11613       continue;
11614
11615     // a configured file may be not recognized as sound
11616     if (!FileIsSound(sound->filename))
11617       continue;
11618
11619     if (!sound_info_listed(music_file_info, sound->filename))
11620     {
11621       *new = get_sound_file_info(sound->filename, i);
11622       if (*new != NULL)
11623         new = &(*new)->next;
11624     }
11625   }
11626 }
11627
11628 static void add_helpanim_entry(int element, int action, int direction,
11629                                int delay, int *num_list_entries)
11630 {
11631   struct HelpAnimInfo *new_list_entry;
11632   (*num_list_entries)++;
11633
11634   helpanim_info =
11635     checked_realloc(helpanim_info,
11636                     *num_list_entries * sizeof(struct HelpAnimInfo));
11637   new_list_entry = &helpanim_info[*num_list_entries - 1];
11638
11639   new_list_entry->element = element;
11640   new_list_entry->action = action;
11641   new_list_entry->direction = direction;
11642   new_list_entry->delay = delay;
11643 }
11644
11645 static void print_unknown_token(char *filename, char *token, int token_nr)
11646 {
11647   if (token_nr == 0)
11648   {
11649     Warn("---");
11650     Warn("unknown token(s) found in config file:");
11651     Warn("- config file: '%s'", filename);
11652   }
11653
11654   Warn("- token: '%s'", token);
11655 }
11656
11657 static void print_unknown_token_end(int token_nr)
11658 {
11659   if (token_nr > 0)
11660     Warn("---");
11661 }
11662
11663 void LoadHelpAnimInfo(void)
11664 {
11665   char *filename = getHelpAnimFilename();
11666   SetupFileList *setup_file_list = NULL, *list;
11667   SetupFileHash *element_hash, *action_hash, *direction_hash;
11668   int num_list_entries = 0;
11669   int num_unknown_tokens = 0;
11670   int i;
11671
11672   if (fileExists(filename))
11673     setup_file_list = loadSetupFileList(filename);
11674
11675   if (setup_file_list == NULL)
11676   {
11677     // use reliable default values from static configuration
11678     SetupFileList *insert_ptr;
11679
11680     insert_ptr = setup_file_list =
11681       newSetupFileList(helpanim_config[0].token,
11682                        helpanim_config[0].value);
11683
11684     for (i = 1; helpanim_config[i].token; i++)
11685       insert_ptr = addListEntry(insert_ptr,
11686                                 helpanim_config[i].token,
11687                                 helpanim_config[i].value);
11688   }
11689
11690   element_hash   = newSetupFileHash();
11691   action_hash    = newSetupFileHash();
11692   direction_hash = newSetupFileHash();
11693
11694   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
11695     setHashEntry(element_hash, element_info[i].token_name, i_to_a(i));
11696
11697   for (i = 0; i < NUM_ACTIONS; i++)
11698     setHashEntry(action_hash, element_action_info[i].suffix,
11699                  i_to_a(element_action_info[i].value));
11700
11701   // do not store direction index (bit) here, but direction value!
11702   for (i = 0; i < NUM_DIRECTIONS_FULL; i++)
11703     setHashEntry(direction_hash, element_direction_info[i].suffix,
11704                  i_to_a(1 << element_direction_info[i].value));
11705
11706   for (list = setup_file_list; list != NULL; list = list->next)
11707   {
11708     char *element_token, *action_token, *direction_token;
11709     char *element_value, *action_value, *direction_value;
11710     int delay = atoi(list->value);
11711
11712     if (strEqual(list->token, "end"))
11713     {
11714       add_helpanim_entry(HELPANIM_LIST_NEXT, -1, -1, -1, &num_list_entries);
11715
11716       continue;
11717     }
11718
11719     /* first try to break element into element/action/direction parts;
11720        if this does not work, also accept combined "element[.act][.dir]"
11721        elements (like "dynamite.active"), which are unique elements */
11722
11723     if (strchr(list->token, '.') == NULL)       // token contains no '.'
11724     {
11725       element_value = getHashEntry(element_hash, list->token);
11726       if (element_value != NULL)        // element found
11727         add_helpanim_entry(atoi(element_value), -1, -1, delay,
11728                            &num_list_entries);
11729       else
11730       {
11731         // no further suffixes found -- this is not an element
11732         print_unknown_token(filename, list->token, num_unknown_tokens++);
11733       }
11734
11735       continue;
11736     }
11737
11738     // token has format "<prefix>.<something>"
11739
11740     action_token = strchr(list->token, '.');    // suffix may be action ...
11741     direction_token = action_token;             // ... or direction
11742
11743     element_token = getStringCopy(list->token);
11744     *strchr(element_token, '.') = '\0';
11745
11746     element_value = getHashEntry(element_hash, element_token);
11747
11748     if (element_value == NULL)          // this is no element
11749     {
11750       element_value = getHashEntry(element_hash, list->token);
11751       if (element_value != NULL)        // combined element found
11752         add_helpanim_entry(atoi(element_value), -1, -1, delay,
11753                            &num_list_entries);
11754       else
11755         print_unknown_token(filename, list->token, num_unknown_tokens++);
11756
11757       free(element_token);
11758
11759       continue;
11760     }
11761
11762     action_value = getHashEntry(action_hash, action_token);
11763
11764     if (action_value != NULL)           // action found
11765     {
11766       add_helpanim_entry(atoi(element_value), atoi(action_value), -1, delay,
11767                     &num_list_entries);
11768
11769       free(element_token);
11770
11771       continue;
11772     }
11773
11774     direction_value = getHashEntry(direction_hash, direction_token);
11775
11776     if (direction_value != NULL)        // direction found
11777     {
11778       add_helpanim_entry(atoi(element_value), -1, atoi(direction_value), delay,
11779                          &num_list_entries);
11780
11781       free(element_token);
11782
11783       continue;
11784     }
11785
11786     if (strchr(action_token + 1, '.') == NULL)
11787     {
11788       // no further suffixes found -- this is not an action nor direction
11789
11790       element_value = getHashEntry(element_hash, list->token);
11791       if (element_value != NULL)        // combined element found
11792         add_helpanim_entry(atoi(element_value), -1, -1, delay,
11793                            &num_list_entries);
11794       else
11795         print_unknown_token(filename, list->token, num_unknown_tokens++);
11796
11797       free(element_token);
11798
11799       continue;
11800     }
11801
11802     // token has format "<prefix>.<suffix>.<something>"
11803
11804     direction_token = strchr(action_token + 1, '.');
11805
11806     action_token = getStringCopy(action_token);
11807     *strchr(action_token + 1, '.') = '\0';
11808
11809     action_value = getHashEntry(action_hash, action_token);
11810
11811     if (action_value == NULL)           // this is no action
11812     {
11813       element_value = getHashEntry(element_hash, list->token);
11814       if (element_value != NULL)        // combined element found
11815         add_helpanim_entry(atoi(element_value), -1, -1, delay,
11816                            &num_list_entries);
11817       else
11818         print_unknown_token(filename, list->token, num_unknown_tokens++);
11819
11820       free(element_token);
11821       free(action_token);
11822
11823       continue;
11824     }
11825
11826     direction_value = getHashEntry(direction_hash, direction_token);
11827
11828     if (direction_value != NULL)        // direction found
11829     {
11830       add_helpanim_entry(atoi(element_value), atoi(action_value),
11831                          atoi(direction_value), delay, &num_list_entries);
11832
11833       free(element_token);
11834       free(action_token);
11835
11836       continue;
11837     }
11838
11839     // this is no direction
11840
11841     element_value = getHashEntry(element_hash, list->token);
11842     if (element_value != NULL)          // combined element found
11843       add_helpanim_entry(atoi(element_value), -1, -1, delay,
11844                          &num_list_entries);
11845     else
11846       print_unknown_token(filename, list->token, num_unknown_tokens++);
11847
11848     free(element_token);
11849     free(action_token);
11850   }
11851
11852   print_unknown_token_end(num_unknown_tokens);
11853
11854   add_helpanim_entry(HELPANIM_LIST_NEXT, -1, -1, -1, &num_list_entries);
11855   add_helpanim_entry(HELPANIM_LIST_END,  -1, -1, -1, &num_list_entries);
11856
11857   freeSetupFileList(setup_file_list);
11858   freeSetupFileHash(element_hash);
11859   freeSetupFileHash(action_hash);
11860   freeSetupFileHash(direction_hash);
11861
11862 #if 0
11863   for (i = 0; i < num_list_entries; i++)
11864     printf("::: '%s': %d, %d, %d => %d\n",
11865            EL_NAME(helpanim_info[i].element),
11866            helpanim_info[i].element,
11867            helpanim_info[i].action,
11868            helpanim_info[i].direction,
11869            helpanim_info[i].delay);
11870 #endif
11871 }
11872
11873 void LoadHelpTextInfo(void)
11874 {
11875   char *filename = getHelpTextFilename();
11876   int i;
11877
11878   if (helptext_info != NULL)
11879   {
11880     freeSetupFileHash(helptext_info);
11881     helptext_info = NULL;
11882   }
11883
11884   if (fileExists(filename))
11885     helptext_info = loadSetupFileHash(filename);
11886
11887   if (helptext_info == NULL)
11888   {
11889     // use reliable default values from static configuration
11890     helptext_info = newSetupFileHash();
11891
11892     for (i = 0; helptext_config[i].token; i++)
11893       setHashEntry(helptext_info,
11894                    helptext_config[i].token,
11895                    helptext_config[i].value);
11896   }
11897
11898 #if 0
11899   BEGIN_HASH_ITERATION(helptext_info, itr)
11900   {
11901     printf("::: '%s' => '%s'\n",
11902            HASH_ITERATION_TOKEN(itr), HASH_ITERATION_VALUE(itr));
11903   }
11904   END_HASH_ITERATION(hash, itr)
11905 #endif
11906 }
11907
11908
11909 // ----------------------------------------------------------------------------
11910 // convert levels
11911 // ----------------------------------------------------------------------------
11912
11913 #define MAX_NUM_CONVERT_LEVELS          1000
11914
11915 void ConvertLevels(void)
11916 {
11917   static LevelDirTree *convert_leveldir = NULL;
11918   static int convert_level_nr = -1;
11919   static int num_levels_handled = 0;
11920   static int num_levels_converted = 0;
11921   static boolean levels_failed[MAX_NUM_CONVERT_LEVELS];
11922   int i;
11923
11924   convert_leveldir = getTreeInfoFromIdentifier(leveldir_first,
11925                                                global.convert_leveldir);
11926
11927   if (convert_leveldir == NULL)
11928     Error(ERR_EXIT, "no such level identifier: '%s'",
11929           global.convert_leveldir);
11930
11931   leveldir_current = convert_leveldir;
11932
11933   if (global.convert_level_nr != -1)
11934   {
11935     convert_leveldir->first_level = global.convert_level_nr;
11936     convert_leveldir->last_level  = global.convert_level_nr;
11937   }
11938
11939   convert_level_nr = convert_leveldir->first_level;
11940
11941   PrintLine("=", 79);
11942   Print("Converting levels\n");
11943   PrintLine("-", 79);
11944   Print("Level series identifier: '%s'\n", convert_leveldir->identifier);
11945   Print("Level series name:       '%s'\n", convert_leveldir->name);
11946   Print("Level series author:     '%s'\n", convert_leveldir->author);
11947   Print("Number of levels:        %d\n",   convert_leveldir->levels);
11948   PrintLine("=", 79);
11949   Print("\n");
11950
11951   for (i = 0; i < MAX_NUM_CONVERT_LEVELS; i++)
11952     levels_failed[i] = FALSE;
11953
11954   while (convert_level_nr <= convert_leveldir->last_level)
11955   {
11956     char *level_filename;
11957     boolean new_level;
11958
11959     level_nr = convert_level_nr++;
11960
11961     Print("Level %03d: ", level_nr);
11962
11963     LoadLevel(level_nr);
11964     if (level.no_level_file || level.no_valid_file)
11965     {
11966       Print("(no level)\n");
11967       continue;
11968     }
11969
11970     Print("converting level ... ");
11971
11972     level_filename = getDefaultLevelFilename(level_nr);
11973     new_level = !fileExists(level_filename);
11974
11975     if (new_level)
11976     {
11977       SaveLevel(level_nr);
11978
11979       num_levels_converted++;
11980
11981       Print("converted.\n");
11982     }
11983     else
11984     {
11985       if (level_nr >= 0 && level_nr < MAX_NUM_CONVERT_LEVELS)
11986         levels_failed[level_nr] = TRUE;
11987
11988       Print("NOT CONVERTED -- LEVEL ALREADY EXISTS.\n");
11989     }
11990
11991     num_levels_handled++;
11992   }
11993
11994   Print("\n");
11995   PrintLine("=", 79);
11996   Print("Number of levels handled: %d\n", num_levels_handled);
11997   Print("Number of levels converted: %d (%d%%)\n", num_levels_converted,
11998          (num_levels_handled ?
11999           num_levels_converted * 100 / num_levels_handled : 0));
12000   PrintLine("-", 79);
12001   Print("Summary (for automatic parsing by scripts):\n");
12002   Print("LEVELDIR '%s', CONVERTED %d/%d (%d%%)",
12003          convert_leveldir->identifier, num_levels_converted,
12004          num_levels_handled,
12005          (num_levels_handled ?
12006           num_levels_converted * 100 / num_levels_handled : 0));
12007
12008   if (num_levels_handled != num_levels_converted)
12009   {
12010     Print(", FAILED:");
12011     for (i = 0; i < MAX_NUM_CONVERT_LEVELS; i++)
12012       if (levels_failed[i])
12013         Print(" %03d", i);
12014   }
12015
12016   Print("\n");
12017   PrintLine("=", 79);
12018
12019   CloseAllAndExit(0);
12020 }
12021
12022
12023 // ----------------------------------------------------------------------------
12024 // create and save images for use in level sketches (raw BMP format)
12025 // ----------------------------------------------------------------------------
12026
12027 void CreateLevelSketchImages(void)
12028 {
12029   Bitmap *bitmap1;
12030   Bitmap *bitmap2;
12031   int i;
12032
12033   InitElementPropertiesGfxElement();
12034
12035   bitmap1 = CreateBitmap(TILEX, TILEY, DEFAULT_DEPTH);
12036   bitmap2 = CreateBitmap(MINI_TILEX, MINI_TILEY, DEFAULT_DEPTH);
12037
12038   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
12039   {
12040     int element = getMappedElement(i);
12041     char basename1[16];
12042     char basename2[16];
12043     char *filename1;
12044     char *filename2;
12045
12046     sprintf(basename1, "%04d.bmp", i);
12047     sprintf(basename2, "%04ds.bmp", i);
12048
12049     filename1 = getPath2(global.create_images_dir, basename1);
12050     filename2 = getPath2(global.create_images_dir, basename2);
12051
12052     DrawSizedElement(0, 0, element, TILESIZE);
12053     BlitBitmap(drawto, bitmap1, SX, SY, TILEX, TILEY, 0, 0);
12054
12055     if (SDL_SaveBMP(bitmap1->surface, filename1) != 0)
12056       Error(ERR_EXIT, "cannot save level sketch image file '%s'", filename1);
12057
12058     DrawSizedElement(0, 0, element, MINI_TILESIZE);
12059     BlitBitmap(drawto, bitmap2, SX, SY, MINI_TILEX, MINI_TILEY, 0, 0);
12060
12061     if (SDL_SaveBMP(bitmap2->surface, filename2) != 0)
12062       Error(ERR_EXIT, "cannot save level sketch image file '%s'", filename2);
12063
12064     free(filename1);
12065     free(filename2);
12066
12067     // create corresponding SQL statements (for normal and small images)
12068     if (i < 1000)
12069     {
12070       printf("insert into phpbb_words values (NULL, '`%03d', '<IMG class=\"levelsketch\" src=\"/I/%04d.png\"/>');\n", i, i);
12071       printf("insert into phpbb_words values (NULL, '¸%03d', '<IMG class=\"levelsketch\" src=\"/I/%04ds.png\"/>');\n", i, i);
12072     }
12073
12074     printf("insert into phpbb_words values (NULL, '`%04d', '<IMG class=\"levelsketch\" src=\"/I/%04d.png\"/>');\n", i, i);
12075     printf("insert into phpbb_words values (NULL, '¸%04d', '<IMG class=\"levelsketch\" src=\"/I/%04ds.png\"/>');\n", i, i);
12076
12077     // optional: create content for forum level sketch demonstration post
12078     if (options.debug)
12079       fprintf(stderr, "%03d `%03d%c", i, i, (i % 10 < 9 ? ' ' : '\n'));
12080   }
12081
12082   FreeBitmap(bitmap1);
12083   FreeBitmap(bitmap2);
12084
12085   if (options.debug)
12086     fprintf(stderr, "\n");
12087
12088   Info("%d normal and small images created", NUM_FILE_ELEMENTS);
12089
12090   CloseAllAndExit(0);
12091 }
12092
12093
12094 // ----------------------------------------------------------------------------
12095 // create and save images for custom and group elements (raw BMP format)
12096 // ----------------------------------------------------------------------------
12097
12098 void CreateCustomElementImages(char *directory)
12099 {
12100   char *src_basename = "RocksCE-template.ilbm";
12101   char *dst_basename = "RocksCE.bmp";
12102   char *src_filename = getPath2(directory, src_basename);
12103   char *dst_filename = getPath2(directory, dst_basename);
12104   Bitmap *src_bitmap;
12105   Bitmap *bitmap;
12106   int yoffset_ce = 0;
12107   int yoffset_ge = (TILEY * NUM_CUSTOM_ELEMENTS / 16);
12108   int i;
12109
12110   InitVideoDefaults();
12111
12112   ReCreateBitmap(&backbuffer, video.width, video.height);
12113
12114   src_bitmap = LoadImage(src_filename);
12115
12116   bitmap = CreateBitmap(TILEX * 16 * 2,
12117                         TILEY * (NUM_CUSTOM_ELEMENTS + NUM_GROUP_ELEMENTS) / 16,
12118                         DEFAULT_DEPTH);
12119
12120   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
12121   {
12122     int x = i % 16;
12123     int y = i / 16;
12124     int ii = i + 1;
12125     int j;
12126
12127     BlitBitmap(src_bitmap, bitmap, 0, 0, TILEX, TILEY,
12128                TILEX * x, TILEY * y + yoffset_ce);
12129
12130     BlitBitmap(src_bitmap, bitmap, 0, TILEY,
12131                TILEX, TILEY,
12132                TILEX * x + TILEX * 16,
12133                TILEY * y + yoffset_ce);
12134
12135     for (j = 2; j >= 0; j--)
12136     {
12137       int c = ii % 10;
12138
12139       BlitBitmap(src_bitmap, bitmap,
12140                  TILEX + c * 7, 0, 6, 10,
12141                  TILEX * x + 6 + j * 7,
12142                  TILEY * y + 11 + yoffset_ce);
12143
12144       BlitBitmap(src_bitmap, bitmap,
12145                  TILEX + c * 8, TILEY, 6, 10,
12146                  TILEX * 16 + TILEX * x + 6 + j * 8,
12147                  TILEY * y + 10 + yoffset_ce);
12148
12149       ii /= 10;
12150     }
12151   }
12152
12153   for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
12154   {
12155     int x = i % 16;
12156     int y = i / 16;
12157     int ii = i + 1;
12158     int j;
12159
12160     BlitBitmap(src_bitmap, bitmap, 0, 0, TILEX, TILEY,
12161                TILEX * x, TILEY * y + yoffset_ge);
12162
12163     BlitBitmap(src_bitmap, bitmap, 0, TILEY,
12164                TILEX, TILEY,
12165                TILEX * x + TILEX * 16,
12166                TILEY * y + yoffset_ge);
12167
12168     for (j = 1; j >= 0; j--)
12169     {
12170       int c = ii % 10;
12171
12172       BlitBitmap(src_bitmap, bitmap, TILEX + c * 10, 11, 10, 10,
12173                  TILEX * x + 6 + j * 10,
12174                  TILEY * y + 11 + yoffset_ge);
12175
12176       BlitBitmap(src_bitmap, bitmap,
12177                  TILEX + c * 8, TILEY + 12, 6, 10,
12178                  TILEX * 16 + TILEX * x + 10 + j * 8,
12179                  TILEY * y + 10 + yoffset_ge);
12180
12181       ii /= 10;
12182     }
12183   }
12184
12185   if (SDL_SaveBMP(bitmap->surface, dst_filename) != 0)
12186     Error(ERR_EXIT, "cannot save CE graphics file '%s'", dst_filename);
12187
12188   FreeBitmap(bitmap);
12189
12190   CloseAllAndExit(0);
12191 }