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 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_UP;
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_EM_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_EM_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_EM_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_EM_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   // shield and extra time elements do not have a score
5721   level->score[SC_SHIELD]       = 0;
5722   level->extra_time_score       = 0;
5723
5724   // set time for normal and deadly shields to the same value
5725   level->shield_deadly_time     = level->shield_normal_time;
5726
5727   // Diamond Caves has the same (strange) behaviour as Emerald Mine that gems
5728   // can slip down from flat walls, like normal walls and steel walls
5729   level->em_slippery_gems = TRUE;
5730 }
5731
5732 static void LoadLevelFromFileInfo_DC(struct LevelInfo *level,
5733                                      struct LevelFileInfo *level_file_info,
5734                                      boolean level_info_only)
5735 {
5736   char *filename = level_file_info->filename;
5737   File *file;
5738   int num_magic_bytes = 8;
5739   char magic_bytes[num_magic_bytes + 1];
5740   int num_levels_to_skip = level_file_info->nr - leveldir_current->first_level;
5741
5742   if (!(file = openFile(filename, MODE_READ)))
5743   {
5744     level->no_valid_file = TRUE;
5745
5746     if (!level_info_only)
5747       Warn("cannot read level '%s' -- using empty level", filename);
5748
5749     return;
5750   }
5751
5752   // fseek(file, 0x0000, SEEK_SET);
5753
5754   if (level_file_info->packed)
5755   {
5756     // read "magic bytes" from start of file
5757     if (getStringFromFile(file, magic_bytes, num_magic_bytes + 1) == NULL)
5758       magic_bytes[0] = '\0';
5759
5760     // check "magic bytes" for correct file format
5761     if (!strPrefix(magic_bytes, "DC2"))
5762     {
5763       level->no_valid_file = TRUE;
5764
5765       Warn("unknown DC level file '%s' -- using empty level", filename);
5766
5767       return;
5768     }
5769
5770     if (strPrefix(magic_bytes, "DC2Win95") ||
5771         strPrefix(magic_bytes, "DC2Win98"))
5772     {
5773       int position_first_level = 0x00fa;
5774       int extra_bytes = 4;
5775       int skip_bytes;
5776
5777       // advance file stream to first level inside the level package
5778       skip_bytes = position_first_level - num_magic_bytes - extra_bytes;
5779
5780       // each block of level data is followed by block of non-level data
5781       num_levels_to_skip *= 2;
5782
5783       // at least skip header bytes, therefore use ">= 0" instead of "> 0"
5784       while (num_levels_to_skip >= 0)
5785       {
5786         // advance file stream to next level inside the level package
5787         if (seekFile(file, skip_bytes, SEEK_CUR) != 0)
5788         {
5789           level->no_valid_file = TRUE;
5790
5791           Warn("cannot fseek in file '%s' -- using empty level", filename);
5792
5793           return;
5794         }
5795
5796         // skip apparently unused extra bytes following each level
5797         ReadUnusedBytesFromFile(file, extra_bytes);
5798
5799         // read size of next level in level package
5800         skip_bytes = getFile32BitLE(file);
5801
5802         num_levels_to_skip--;
5803       }
5804     }
5805     else
5806     {
5807       level->no_valid_file = TRUE;
5808
5809       Warn("unknown DC2 level file '%s' -- using empty level", filename);
5810
5811       return;
5812     }
5813   }
5814
5815   LoadLevelFromFileStream_DC(file, level, level_file_info->nr);
5816
5817   closeFile(file);
5818 }
5819
5820
5821 // ----------------------------------------------------------------------------
5822 // functions for loading SB level
5823 // ----------------------------------------------------------------------------
5824
5825 int getMappedElement_SB(int element_ascii, boolean use_ces)
5826 {
5827   static struct
5828   {
5829     int ascii;
5830     int sb;
5831     int ce;
5832   }
5833   sb_element_mapping[] =
5834   {
5835     { ' ', EL_EMPTY,                EL_CUSTOM_1 },  // floor (space)
5836     { '#', EL_STEELWALL,            EL_CUSTOM_2 },  // wall
5837     { '@', EL_PLAYER_1,             EL_CUSTOM_3 },  // player
5838     { '$', EL_SOKOBAN_OBJECT,       EL_CUSTOM_4 },  // box
5839     { '.', EL_SOKOBAN_FIELD_EMPTY,  EL_CUSTOM_5 },  // goal square
5840     { '*', EL_SOKOBAN_FIELD_FULL,   EL_CUSTOM_6 },  // box on goal square
5841     { '+', EL_SOKOBAN_FIELD_PLAYER, EL_CUSTOM_7 },  // player on goal square
5842     { '_', EL_INVISIBLE_STEELWALL,  EL_FROM_LEVEL_TEMPLATE },  // floor beyond border
5843
5844     { 0,   -1,                      -1          },
5845   };
5846
5847   int i;
5848
5849   for (i = 0; sb_element_mapping[i].ascii != 0; i++)
5850     if (element_ascii == sb_element_mapping[i].ascii)
5851       return (use_ces ? sb_element_mapping[i].ce : sb_element_mapping[i].sb);
5852
5853   return EL_UNDEFINED;
5854 }
5855
5856 static void LoadLevelFromFileInfo_SB(struct LevelInfo *level,
5857                                      struct LevelFileInfo *level_file_info,
5858                                      boolean level_info_only)
5859 {
5860   char *filename = level_file_info->filename;
5861   char line[MAX_LINE_LEN], line_raw[MAX_LINE_LEN], previous_line[MAX_LINE_LEN];
5862   char last_comment[MAX_LINE_LEN];
5863   char level_name[MAX_LINE_LEN];
5864   char *line_ptr;
5865   File *file;
5866   int num_levels_to_skip = level_file_info->nr - leveldir_current->first_level;
5867   boolean read_continued_line = FALSE;
5868   boolean reading_playfield = FALSE;
5869   boolean got_valid_playfield_line = FALSE;
5870   boolean invalid_playfield_char = FALSE;
5871   boolean load_xsb_to_ces = check_special_flags("load_xsb_to_ces");
5872   int file_level_nr = 0;
5873   int line_nr = 0;
5874   int x = 0, y = 0;             // initialized to make compilers happy
5875
5876   last_comment[0] = '\0';
5877   level_name[0] = '\0';
5878
5879   if (!(file = openFile(filename, MODE_READ)))
5880   {
5881     level->no_valid_file = TRUE;
5882
5883     if (!level_info_only)
5884       Warn("cannot read level '%s' -- using empty level", filename);
5885
5886     return;
5887   }
5888
5889   while (!checkEndOfFile(file))
5890   {
5891     // level successfully read, but next level may follow here
5892     if (!got_valid_playfield_line && reading_playfield)
5893     {
5894       // read playfield from single level file -- skip remaining file
5895       if (!level_file_info->packed)
5896         break;
5897
5898       if (file_level_nr >= num_levels_to_skip)
5899         break;
5900
5901       file_level_nr++;
5902
5903       last_comment[0] = '\0';
5904       level_name[0] = '\0';
5905
5906       reading_playfield = FALSE;
5907     }
5908
5909     got_valid_playfield_line = FALSE;
5910
5911     // read next line of input file
5912     if (!getStringFromFile(file, line, MAX_LINE_LEN))
5913       break;
5914
5915     // check if line was completely read and is terminated by line break
5916     if (strlen(line) > 0 && line[strlen(line) - 1] == '\n')
5917       line_nr++;
5918
5919     // cut trailing line break (this can be newline and/or carriage return)
5920     for (line_ptr = &line[strlen(line)]; line_ptr >= line; line_ptr--)
5921       if ((*line_ptr == '\n' || *line_ptr == '\r') && *(line_ptr + 1) == '\0')
5922         *line_ptr = '\0';
5923
5924     // copy raw input line for later use (mainly debugging output)
5925     strcpy(line_raw, line);
5926
5927     if (read_continued_line)
5928     {
5929       // append new line to existing line, if there is enough space
5930       if (strlen(previous_line) + strlen(line_ptr) < MAX_LINE_LEN)
5931         strcat(previous_line, line_ptr);
5932
5933       strcpy(line, previous_line);      // copy storage buffer to line
5934
5935       read_continued_line = FALSE;
5936     }
5937
5938     // if the last character is '\', continue at next line
5939     if (strlen(line) > 0 && line[strlen(line) - 1] == '\\')
5940     {
5941       line[strlen(line) - 1] = '\0';    // cut off trailing backslash
5942       strcpy(previous_line, line);      // copy line to storage buffer
5943
5944       read_continued_line = TRUE;
5945
5946       continue;
5947     }
5948
5949     // skip empty lines
5950     if (line[0] == '\0')
5951       continue;
5952
5953     // extract comment text from comment line
5954     if (line[0] == ';')
5955     {
5956       for (line_ptr = line; *line_ptr; line_ptr++)
5957         if (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != ';')
5958           break;
5959
5960       strcpy(last_comment, line_ptr);
5961
5962       continue;
5963     }
5964
5965     // extract level title text from line containing level title
5966     if (line[0] == '\'')
5967     {
5968       strcpy(level_name, &line[1]);
5969
5970       if (strlen(level_name) > 0 && level_name[strlen(level_name) - 1] == '\'')
5971         level_name[strlen(level_name) - 1] = '\0';
5972
5973       continue;
5974     }
5975
5976     // skip lines containing only spaces (or empty lines)
5977     for (line_ptr = line; *line_ptr; line_ptr++)
5978       if (*line_ptr != ' ')
5979         break;
5980     if (*line_ptr == '\0')
5981       continue;
5982
5983     // at this point, we have found a line containing part of a playfield
5984
5985     got_valid_playfield_line = TRUE;
5986
5987     if (!reading_playfield)
5988     {
5989       reading_playfield = TRUE;
5990       invalid_playfield_char = FALSE;
5991
5992       for (x = 0; x < MAX_LEV_FIELDX; x++)
5993         for (y = 0; y < MAX_LEV_FIELDY; y++)
5994           level->field[x][y] = getMappedElement_SB(' ', load_xsb_to_ces);
5995
5996       level->fieldx = 0;
5997       level->fieldy = 0;
5998
5999       // start with topmost tile row
6000       y = 0;
6001     }
6002
6003     // skip playfield line if larger row than allowed
6004     if (y >= MAX_LEV_FIELDY)
6005       continue;
6006
6007     // start with leftmost tile column
6008     x = 0;
6009
6010     // read playfield elements from line
6011     for (line_ptr = line; *line_ptr; line_ptr++)
6012     {
6013       int mapped_sb_element = getMappedElement_SB(*line_ptr, load_xsb_to_ces);
6014
6015       // stop parsing playfield line if larger column than allowed
6016       if (x >= MAX_LEV_FIELDX)
6017         break;
6018
6019       if (mapped_sb_element == EL_UNDEFINED)
6020       {
6021         invalid_playfield_char = TRUE;
6022
6023         break;
6024       }
6025
6026       level->field[x][y] = mapped_sb_element;
6027
6028       // continue with next tile column
6029       x++;
6030
6031       level->fieldx = MAX(x, level->fieldx);
6032     }
6033
6034     if (invalid_playfield_char)
6035     {
6036       // if first playfield line, treat invalid lines as comment lines
6037       if (y == 0)
6038         reading_playfield = FALSE;
6039
6040       continue;
6041     }
6042
6043     // continue with next tile row
6044     y++;
6045   }
6046
6047   closeFile(file);
6048
6049   level->fieldy = y;
6050
6051   level->fieldx = MIN(MAX(MIN_LEV_FIELDX, level->fieldx), MAX_LEV_FIELDX);
6052   level->fieldy = MIN(MAX(MIN_LEV_FIELDY, level->fieldy), MAX_LEV_FIELDY);
6053
6054   if (!reading_playfield)
6055   {
6056     level->no_valid_file = TRUE;
6057
6058     Warn("cannot read level '%s' -- using empty level", filename);
6059
6060     return;
6061   }
6062
6063   if (*level_name != '\0')
6064   {
6065     strncpy(level->name, level_name, MAX_LEVEL_NAME_LEN);
6066     level->name[MAX_LEVEL_NAME_LEN] = '\0';
6067   }
6068   else if (*last_comment != '\0')
6069   {
6070     strncpy(level->name, last_comment, MAX_LEVEL_NAME_LEN);
6071     level->name[MAX_LEVEL_NAME_LEN] = '\0';
6072   }
6073   else
6074   {
6075     sprintf(level->name, "--> Level %d <--", level_file_info->nr);
6076   }
6077
6078   // set all empty fields beyond the border walls to invisible steel wall
6079   for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
6080   {
6081     if ((x == 0 || x == level->fieldx - 1 ||
6082          y == 0 || y == level->fieldy - 1) &&
6083         level->field[x][y] == getMappedElement_SB(' ', load_xsb_to_ces))
6084       FloodFillLevel(x, y, getMappedElement_SB('_', load_xsb_to_ces),
6085                      level->field, level->fieldx, level->fieldy);
6086   }
6087
6088   // set special level settings for Sokoban levels
6089
6090   level->time = 0;
6091   level->use_step_counter = TRUE;
6092
6093   if (load_xsb_to_ces)
6094   {
6095     // special global settings can now be set in level template
6096
6097     level->use_custom_template = TRUE;
6098   }
6099 }
6100
6101
6102 // -------------------------------------------------------------------------
6103 // functions for handling native levels
6104 // -------------------------------------------------------------------------
6105
6106 static void LoadLevelFromFileInfo_EM(struct LevelInfo *level,
6107                                      struct LevelFileInfo *level_file_info,
6108                                      boolean level_info_only)
6109 {
6110   if (!LoadNativeLevel_EM(level_file_info->filename, level_info_only))
6111     level->no_valid_file = TRUE;
6112 }
6113
6114 static void LoadLevelFromFileInfo_SP(struct LevelInfo *level,
6115                                      struct LevelFileInfo *level_file_info,
6116                                      boolean level_info_only)
6117 {
6118   int pos = 0;
6119
6120   // determine position of requested level inside level package
6121   if (level_file_info->packed)
6122     pos = level_file_info->nr - leveldir_current->first_level;
6123
6124   if (!LoadNativeLevel_SP(level_file_info->filename, pos, level_info_only))
6125     level->no_valid_file = TRUE;
6126 }
6127
6128 static void LoadLevelFromFileInfo_MM(struct LevelInfo *level,
6129                                      struct LevelFileInfo *level_file_info,
6130                                      boolean level_info_only)
6131 {
6132   if (!LoadNativeLevel_MM(level_file_info->filename, level_info_only))
6133     level->no_valid_file = TRUE;
6134 }
6135
6136 void CopyNativeLevel_RND_to_Native(struct LevelInfo *level)
6137 {
6138   if (level->game_engine_type == GAME_ENGINE_TYPE_EM)
6139     CopyNativeLevel_RND_to_EM(level);
6140   else if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
6141     CopyNativeLevel_RND_to_SP(level);
6142   else if (level->game_engine_type == GAME_ENGINE_TYPE_MM)
6143     CopyNativeLevel_RND_to_MM(level);
6144 }
6145
6146 void CopyNativeLevel_Native_to_RND(struct LevelInfo *level)
6147 {
6148   if (level->game_engine_type == GAME_ENGINE_TYPE_EM)
6149     CopyNativeLevel_EM_to_RND(level);
6150   else if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
6151     CopyNativeLevel_SP_to_RND(level);
6152   else if (level->game_engine_type == GAME_ENGINE_TYPE_MM)
6153     CopyNativeLevel_MM_to_RND(level);
6154 }
6155
6156 void SaveNativeLevel(struct LevelInfo *level)
6157 {
6158   if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
6159   {
6160     char *basename = getSingleLevelBasenameExt(level->file_info.nr, "sp");
6161     char *filename = getLevelFilenameFromBasename(basename);
6162
6163     CopyNativeLevel_RND_to_SP(level);
6164     CopyNativeTape_RND_to_SP(level);
6165
6166     SaveNativeLevel_SP(filename);
6167   }
6168 }
6169
6170
6171 // ----------------------------------------------------------------------------
6172 // functions for loading generic level
6173 // ----------------------------------------------------------------------------
6174
6175 static void LoadLevelFromFileInfo(struct LevelInfo *level,
6176                                   struct LevelFileInfo *level_file_info,
6177                                   boolean level_info_only)
6178 {
6179   // always start with reliable default values
6180   setLevelInfoToDefaults(level, level_info_only, TRUE);
6181
6182   switch (level_file_info->type)
6183   {
6184     case LEVEL_FILE_TYPE_RND:
6185       LoadLevelFromFileInfo_RND(level, level_file_info, level_info_only);
6186       break;
6187
6188     case LEVEL_FILE_TYPE_EM:
6189       LoadLevelFromFileInfo_EM(level, level_file_info, level_info_only);
6190       level->game_engine_type = GAME_ENGINE_TYPE_EM;
6191       break;
6192
6193     case LEVEL_FILE_TYPE_SP:
6194       LoadLevelFromFileInfo_SP(level, level_file_info, level_info_only);
6195       level->game_engine_type = GAME_ENGINE_TYPE_SP;
6196       break;
6197
6198     case LEVEL_FILE_TYPE_MM:
6199       LoadLevelFromFileInfo_MM(level, level_file_info, level_info_only);
6200       level->game_engine_type = GAME_ENGINE_TYPE_MM;
6201       break;
6202
6203     case LEVEL_FILE_TYPE_DC:
6204       LoadLevelFromFileInfo_DC(level, level_file_info, level_info_only);
6205       break;
6206
6207     case LEVEL_FILE_TYPE_SB:
6208       LoadLevelFromFileInfo_SB(level, level_file_info, level_info_only);
6209       break;
6210
6211     default:
6212       LoadLevelFromFileInfo_RND(level, level_file_info, level_info_only);
6213       break;
6214   }
6215
6216   // if level file is invalid, restore level structure to default values
6217   if (level->no_valid_file)
6218     setLevelInfoToDefaults(level, level_info_only, FALSE);
6219
6220   if (level->game_engine_type == GAME_ENGINE_TYPE_UNKNOWN)
6221     level->game_engine_type = GAME_ENGINE_TYPE_RND;
6222
6223   if (level_file_info->type != LEVEL_FILE_TYPE_RND)
6224     CopyNativeLevel_Native_to_RND(level);
6225 }
6226
6227 void LoadLevelFromFilename(struct LevelInfo *level, char *filename)
6228 {
6229   static struct LevelFileInfo level_file_info;
6230
6231   // always start with reliable default values
6232   setFileInfoToDefaults(&level_file_info);
6233
6234   level_file_info.nr = 0;                       // unknown level number
6235   level_file_info.type = LEVEL_FILE_TYPE_RND;   // no others supported yet
6236
6237   setString(&level_file_info.filename, filename);
6238
6239   LoadLevelFromFileInfo(level, &level_file_info, FALSE);
6240 }
6241
6242 static void LoadLevel_InitVersion(struct LevelInfo *level)
6243 {
6244   int i, j;
6245
6246   if (leveldir_current == NULL)         // only when dumping level
6247     return;
6248
6249   // all engine modifications also valid for levels which use latest engine
6250   if (level->game_version < VERSION_IDENT(3,2,0,5))
6251   {
6252     // time bonus score was given for 10 s instead of 1 s before 3.2.0-5
6253     level->score[SC_TIME_BONUS] /= 10;
6254   }
6255
6256   if (leveldir_current->latest_engine)
6257   {
6258     // ---------- use latest game engine --------------------------------------
6259
6260     /* For all levels which are forced to use the latest game engine version
6261        (normally all but user contributed, private and undefined levels), set
6262        the game engine version to the actual version; this allows for actual
6263        corrections in the game engine to take effect for existing, converted
6264        levels (from "classic" or other existing games) to make the emulation
6265        of the corresponding game more accurate, while (hopefully) not breaking
6266        existing levels created from other players. */
6267
6268     level->game_version = GAME_VERSION_ACTUAL;
6269
6270     /* Set special EM style gems behaviour: EM style gems slip down from
6271        normal, steel and growing wall. As this is a more fundamental change,
6272        it seems better to set the default behaviour to "off" (as it is more
6273        natural) and make it configurable in the level editor (as a property
6274        of gem style elements). Already existing converted levels (neither
6275        private nor contributed levels) are changed to the new behaviour. */
6276
6277     if (level->file_version < FILE_VERSION_2_0)
6278       level->em_slippery_gems = TRUE;
6279
6280     return;
6281   }
6282
6283   // ---------- use game engine the level was created with --------------------
6284
6285   /* For all levels which are not forced to use the latest game engine
6286      version (normally user contributed, private and undefined levels),
6287      use the version of the game engine the levels were created for.
6288
6289      Since 2.0.1, the game engine version is now directly stored
6290      in the level file (chunk "VERS"), so there is no need anymore
6291      to set the game version from the file version (except for old,
6292      pre-2.0 levels, where the game version is still taken from the
6293      file format version used to store the level -- see above). */
6294
6295   // player was faster than enemies in 1.0.0 and before
6296   if (level->file_version == FILE_VERSION_1_0)
6297     for (i = 0; i < MAX_PLAYERS; i++)
6298       level->initial_player_stepsize[i] = STEPSIZE_FAST;
6299
6300   // default behaviour for EM style gems was "slippery" only in 2.0.1
6301   if (level->game_version == VERSION_IDENT(2,0,1,0))
6302     level->em_slippery_gems = TRUE;
6303
6304   // springs could be pushed over pits before (pre-release version) 2.2.0
6305   if (level->game_version < VERSION_IDENT(2,2,0,0))
6306     level->use_spring_bug = TRUE;
6307
6308   if (level->game_version < VERSION_IDENT(3,2,0,5))
6309   {
6310     // time orb caused limited time in endless time levels before 3.2.0-5
6311     level->use_time_orb_bug = TRUE;
6312
6313     // default behaviour for snapping was "no snap delay" before 3.2.0-5
6314     level->block_snap_field = FALSE;
6315
6316     // extra time score was same value as time left score before 3.2.0-5
6317     level->extra_time_score = level->score[SC_TIME_BONUS];
6318   }
6319
6320   if (level->game_version < VERSION_IDENT(3,2,0,7))
6321   {
6322     // default behaviour for snapping was "not continuous" before 3.2.0-7
6323     level->continuous_snapping = FALSE;
6324   }
6325
6326   // only few elements were able to actively move into acid before 3.1.0
6327   // trigger settings did not exist before 3.1.0; set to default "any"
6328   if (level->game_version < VERSION_IDENT(3,1,0,0))
6329   {
6330     // correct "can move into acid" settings (all zero in old levels)
6331
6332     level->can_move_into_acid_bits = 0; // nothing can move into acid
6333     level->dont_collide_with_bits = 0; // nothing is deadly when colliding
6334
6335     setMoveIntoAcidProperty(level, EL_ROBOT,     TRUE);
6336     setMoveIntoAcidProperty(level, EL_SATELLITE, TRUE);
6337     setMoveIntoAcidProperty(level, EL_PENGUIN,   TRUE);
6338     setMoveIntoAcidProperty(level, EL_BALLOON,   TRUE);
6339
6340     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6341       SET_PROPERTY(EL_CUSTOM_START + i, EP_CAN_MOVE_INTO_ACID, TRUE);
6342
6343     // correct trigger settings (stored as zero == "none" in old levels)
6344
6345     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6346     {
6347       int element = EL_CUSTOM_START + i;
6348       struct ElementInfo *ei = &element_info[element];
6349
6350       for (j = 0; j < ei->num_change_pages; j++)
6351       {
6352         struct ElementChangeInfo *change = &ei->change_page[j];
6353
6354         change->trigger_player = CH_PLAYER_ANY;
6355         change->trigger_page = CH_PAGE_ANY;
6356       }
6357     }
6358   }
6359
6360   // try to detect and fix "Snake Bite" levels, which are broken with 3.2.0
6361   {
6362     int element = EL_CUSTOM_256;
6363     struct ElementInfo *ei = &element_info[element];
6364     struct ElementChangeInfo *change = &ei->change_page[0];
6365
6366     /* This is needed to fix a problem that was caused by a bugfix in function
6367        game.c/CreateFieldExt() introduced with 3.2.0 that corrects the behaviour
6368        when a custom element changes to EL_SOKOBAN_FIELD_PLAYER (before, it did
6369        not replace walkable elements, but instead just placed the player on it,
6370        without placing the Sokoban field under the player). Unfortunately, this
6371        breaks "Snake Bite" style levels when the snake is halfway through a door
6372        that just closes (the snake head is still alive and can be moved in this
6373        case). This can be fixed by replacing the EL_SOKOBAN_FIELD_PLAYER by the
6374        player (without Sokoban element) which then gets killed as designed). */
6375
6376     if ((strncmp(leveldir_current->identifier, "snake_bite", 10) == 0 ||
6377          strncmp(ei->description, "pause b4 death", 14) == 0) &&
6378         change->target_element == EL_SOKOBAN_FIELD_PLAYER)
6379       change->target_element = EL_PLAYER_1;
6380   }
6381
6382   // try to detect and fix "Zelda" style levels, which are broken with 3.2.5
6383   if (level->game_version < VERSION_IDENT(3,2,5,0))
6384   {
6385     /* This is needed to fix a problem that was caused by a bugfix in function
6386        game.c/CheckTriggeredElementChangeExt() introduced with 3.2.5 that
6387        corrects the behaviour when a custom element changes to another custom
6388        element with a higher element number that has change actions defined.
6389        Normally, only one change per frame is allowed for custom elements.
6390        Therefore, it is checked if a custom element already changed in the
6391        current frame; if it did, subsequent changes are suppressed.
6392        Unfortunately, this is only checked for element changes, but not for
6393        change actions, which are still executed. As the function above loops
6394        through all custom elements from lower to higher, an element change
6395        resulting in a lower CE number won't be checked again, while a target
6396        element with a higher number will also be checked, and potential change
6397        actions will get executed for this CE, too (which is wrong), while
6398        further changes are ignored (which is correct). As this bugfix breaks
6399        Zelda II (and introduces graphical bugs to Zelda I, and also breaks a
6400        few other levels like Alan Bond's "FMV"), allow the previous, incorrect
6401        behaviour for existing levels and tapes that make use of this bug */
6402
6403     level->use_action_after_change_bug = TRUE;
6404   }
6405
6406   // not centering level after relocating player was default only in 3.2.3
6407   if (level->game_version == VERSION_IDENT(3,2,3,0))    // (no pre-releases)
6408     level->shifted_relocation = TRUE;
6409
6410   // EM style elements always chain-exploded in R'n'D engine before 3.2.6
6411   if (level->game_version < VERSION_IDENT(3,2,6,0))
6412     level->em_explodes_by_fire = TRUE;
6413
6414   // levels were solved by the first player entering an exit up to 4.1.0.0
6415   if (level->game_version <= VERSION_IDENT(4,1,0,0))
6416     level->solved_by_one_player = TRUE;
6417
6418   // game logic of "game of life" and "biomaze" was buggy before 4.1.1.1
6419   if (level->game_version < VERSION_IDENT(4,1,1,1))
6420     level->use_life_bugs = TRUE;
6421
6422   // only Sokoban fields (but not objects) had to be solved before 4.1.1.1
6423   if (level->game_version < VERSION_IDENT(4,1,1,1))
6424     level->sb_objects_needed = FALSE;
6425 }
6426
6427 static void LoadLevel_InitStandardElements(struct LevelInfo *level)
6428 {
6429   int i, x, y;
6430
6431   // map elements that have changed in newer versions
6432   level->amoeba_content = getMappedElementByVersion(level->amoeba_content,
6433                                                     level->game_version);
6434   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6435     for (x = 0; x < 3; x++)
6436       for (y = 0; y < 3; y++)
6437         level->yamyam_content[i].e[x][y] =
6438           getMappedElementByVersion(level->yamyam_content[i].e[x][y],
6439                                     level->game_version);
6440
6441 }
6442
6443 static void LoadLevel_InitCustomElements(struct LevelInfo *level)
6444 {
6445   int i, j;
6446
6447   // map custom element change events that have changed in newer versions
6448   // (these following values were accidentally changed in version 3.0.1)
6449   // (this seems to be needed only for 'ab_levelset3' and 'ab_levelset4')
6450   if (level->game_version <= VERSION_IDENT(3,0,0,0))
6451   {
6452     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6453     {
6454       int element = EL_CUSTOM_START + i;
6455
6456       // order of checking and copying events to be mapped is important
6457       // (do not change the start and end value -- they are constant)
6458       for (j = CE_BY_OTHER_ACTION; j >= CE_VALUE_GETS_ZERO; j--)
6459       {
6460         if (HAS_CHANGE_EVENT(element, j - 2))
6461         {
6462           SET_CHANGE_EVENT(element, j - 2, FALSE);
6463           SET_CHANGE_EVENT(element, j, TRUE);
6464         }
6465       }
6466
6467       // order of checking and copying events to be mapped is important
6468       // (do not change the start and end value -- they are constant)
6469       for (j = CE_PLAYER_COLLECTS_X; j >= CE_HITTING_SOMETHING; j--)
6470       {
6471         if (HAS_CHANGE_EVENT(element, j - 1))
6472         {
6473           SET_CHANGE_EVENT(element, j - 1, FALSE);
6474           SET_CHANGE_EVENT(element, j, TRUE);
6475         }
6476       }
6477     }
6478   }
6479
6480   // initialize "can_change" field for old levels with only one change page
6481   if (level->game_version <= VERSION_IDENT(3,0,2,0))
6482   {
6483     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6484     {
6485       int element = EL_CUSTOM_START + i;
6486
6487       if (CAN_CHANGE(element))
6488         element_info[element].change->can_change = TRUE;
6489     }
6490   }
6491
6492   // correct custom element values (for old levels without these options)
6493   if (level->game_version < VERSION_IDENT(3,1,1,0))
6494   {
6495     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6496     {
6497       int element = EL_CUSTOM_START + i;
6498       struct ElementInfo *ei = &element_info[element];
6499
6500       if (ei->access_direction == MV_NO_DIRECTION)
6501         ei->access_direction = MV_ALL_DIRECTIONS;
6502     }
6503   }
6504
6505   // correct custom element values (fix invalid values for all versions)
6506   if (1)
6507   {
6508     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6509     {
6510       int element = EL_CUSTOM_START + i;
6511       struct ElementInfo *ei = &element_info[element];
6512
6513       for (j = 0; j < ei->num_change_pages; j++)
6514       {
6515         struct ElementChangeInfo *change = &ei->change_page[j];
6516
6517         if (change->trigger_player == CH_PLAYER_NONE)
6518           change->trigger_player = CH_PLAYER_ANY;
6519
6520         if (change->trigger_side == CH_SIDE_NONE)
6521           change->trigger_side = CH_SIDE_ANY;
6522       }
6523     }
6524   }
6525
6526   // initialize "can_explode" field for old levels which did not store this
6527   // !!! CHECK THIS -- "<= 3,1,0,0" IS PROBABLY WRONG !!!
6528   if (level->game_version <= VERSION_IDENT(3,1,0,0))
6529   {
6530     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6531     {
6532       int element = EL_CUSTOM_START + i;
6533
6534       if (EXPLODES_1X1_OLD(element))
6535         element_info[element].explosion_type = EXPLODES_1X1;
6536
6537       SET_PROPERTY(element, EP_CAN_EXPLODE, (EXPLODES_BY_FIRE(element) ||
6538                                              EXPLODES_SMASHED(element) ||
6539                                              EXPLODES_IMPACT(element)));
6540     }
6541   }
6542
6543   // correct previously hard-coded move delay values for maze runner style
6544   if (level->game_version < VERSION_IDENT(3,1,1,0))
6545   {
6546     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6547     {
6548       int element = EL_CUSTOM_START + i;
6549
6550       if (element_info[element].move_pattern & MV_MAZE_RUNNER_STYLE)
6551       {
6552         // previously hard-coded and therefore ignored
6553         element_info[element].move_delay_fixed = 9;
6554         element_info[element].move_delay_random = 0;
6555       }
6556     }
6557   }
6558
6559   // set some other uninitialized values of custom elements in older levels
6560   if (level->game_version < VERSION_IDENT(3,1,0,0))
6561   {
6562     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6563     {
6564       int element = EL_CUSTOM_START + i;
6565
6566       element_info[element].access_direction = MV_ALL_DIRECTIONS;
6567
6568       element_info[element].explosion_delay = 17;
6569       element_info[element].ignition_delay = 8;
6570     }
6571   }
6572 }
6573
6574 static void LoadLevel_InitElements(struct LevelInfo *level)
6575 {
6576   LoadLevel_InitStandardElements(level);
6577
6578   if (level->file_has_custom_elements)
6579     LoadLevel_InitCustomElements(level);
6580
6581   // initialize element properties for level editor etc.
6582   InitElementPropertiesEngine(level->game_version);
6583   InitElementPropertiesGfxElement();
6584 }
6585
6586 static void LoadLevel_InitPlayfield(struct LevelInfo *level)
6587 {
6588   int x, y;
6589
6590   // map elements that have changed in newer versions
6591   for (y = 0; y < level->fieldy; y++)
6592     for (x = 0; x < level->fieldx; x++)
6593       level->field[x][y] = getMappedElementByVersion(level->field[x][y],
6594                                                      level->game_version);
6595
6596   // clear unused playfield data (nicer if level gets resized in editor)
6597   for (x = 0; x < MAX_LEV_FIELDX; x++)
6598     for (y = 0; y < MAX_LEV_FIELDY; y++)
6599       if (x >= level->fieldx || y >= level->fieldy)
6600         level->field[x][y] = EL_EMPTY;
6601
6602   // copy elements to runtime playfield array
6603   for (x = 0; x < MAX_LEV_FIELDX; x++)
6604     for (y = 0; y < MAX_LEV_FIELDY; y++)
6605       Tile[x][y] = level->field[x][y];
6606
6607   // initialize level size variables for faster access
6608   lev_fieldx = level->fieldx;
6609   lev_fieldy = level->fieldy;
6610
6611   // determine border element for this level
6612   if (level->file_info.type == LEVEL_FILE_TYPE_DC)
6613     BorderElement = EL_EMPTY;   // (in editor, SetBorderElement() is used)
6614   else
6615     SetBorderElement();
6616 }
6617
6618 static void LoadLevel_InitNativeEngines(struct LevelInfo *level)
6619 {
6620   struct LevelFileInfo *level_file_info = &level->file_info;
6621
6622   if (level_file_info->type == LEVEL_FILE_TYPE_RND)
6623     CopyNativeLevel_RND_to_Native(level);
6624 }
6625
6626 static void LoadLevelTemplate_LoadAndInit(void)
6627 {
6628   LoadLevelFromFileInfo(&level_template, &level_template.file_info, FALSE);
6629
6630   LoadLevel_InitVersion(&level_template);
6631   LoadLevel_InitElements(&level_template);
6632
6633   ActivateLevelTemplate();
6634 }
6635
6636 void LoadLevelTemplate(int nr)
6637 {
6638   if (!fileExists(getGlobalLevelTemplateFilename()))
6639   {
6640     Warn("no level template found for this level");
6641
6642     return;
6643   }
6644
6645   setLevelFileInfo(&level_template.file_info, nr);
6646
6647   LoadLevelTemplate_LoadAndInit();
6648 }
6649
6650 static void LoadNetworkLevelTemplate(struct NetworkLevelInfo *network_level)
6651 {
6652   copyLevelFileInfo(&network_level->tmpl_info, &level_template.file_info);
6653
6654   LoadLevelTemplate_LoadAndInit();
6655 }
6656
6657 static void LoadLevel_LoadAndInit(struct NetworkLevelInfo *network_level)
6658 {
6659   LoadLevelFromFileInfo(&level, &level.file_info, FALSE);
6660
6661   if (level.use_custom_template)
6662   {
6663     if (network_level != NULL)
6664       LoadNetworkLevelTemplate(network_level);
6665     else
6666       LoadLevelTemplate(-1);
6667   }
6668
6669   LoadLevel_InitVersion(&level);
6670   LoadLevel_InitElements(&level);
6671   LoadLevel_InitPlayfield(&level);
6672
6673   LoadLevel_InitNativeEngines(&level);
6674 }
6675
6676 void LoadLevel(int nr)
6677 {
6678   SetLevelSetInfo(leveldir_current->identifier, nr);
6679
6680   setLevelFileInfo(&level.file_info, nr);
6681
6682   LoadLevel_LoadAndInit(NULL);
6683 }
6684
6685 void LoadLevelInfoOnly(int nr)
6686 {
6687   setLevelFileInfo(&level.file_info, nr);
6688
6689   LoadLevelFromFileInfo(&level, &level.file_info, TRUE);
6690 }
6691
6692 void LoadNetworkLevel(struct NetworkLevelInfo *network_level)
6693 {
6694   SetLevelSetInfo(network_level->leveldir_identifier,
6695                   network_level->file_info.nr);
6696
6697   copyLevelFileInfo(&network_level->file_info, &level.file_info);
6698
6699   LoadLevel_LoadAndInit(network_level);
6700 }
6701
6702 static int SaveLevel_VERS(FILE *file, struct LevelInfo *level)
6703 {
6704   int chunk_size = 0;
6705
6706   chunk_size += putFileVersion(file, level->file_version);
6707   chunk_size += putFileVersion(file, level->game_version);
6708
6709   return chunk_size;
6710 }
6711
6712 static int SaveLevel_DATE(FILE *file, struct LevelInfo *level)
6713 {
6714   int chunk_size = 0;
6715
6716   chunk_size += putFile16BitBE(file, level->creation_date.year);
6717   chunk_size += putFile8Bit(file,    level->creation_date.month);
6718   chunk_size += putFile8Bit(file,    level->creation_date.day);
6719
6720   return chunk_size;
6721 }
6722
6723 #if ENABLE_HISTORIC_CHUNKS
6724 static void SaveLevel_HEAD(FILE *file, struct LevelInfo *level)
6725 {
6726   int i, x, y;
6727
6728   putFile8Bit(file, level->fieldx);
6729   putFile8Bit(file, level->fieldy);
6730
6731   putFile16BitBE(file, level->time);
6732   putFile16BitBE(file, level->gems_needed);
6733
6734   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
6735     putFile8Bit(file, level->name[i]);
6736
6737   for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
6738     putFile8Bit(file, level->score[i]);
6739
6740   for (i = 0; i < STD_ELEMENT_CONTENTS; i++)
6741     for (y = 0; y < 3; y++)
6742       for (x = 0; x < 3; x++)
6743         putFile8Bit(file, (level->encoding_16bit_yamyam ? EL_EMPTY :
6744                            level->yamyam_content[i].e[x][y]));
6745   putFile8Bit(file, level->amoeba_speed);
6746   putFile8Bit(file, level->time_magic_wall);
6747   putFile8Bit(file, level->time_wheel);
6748   putFile8Bit(file, (level->encoding_16bit_amoeba ? EL_EMPTY :
6749                      level->amoeba_content));
6750   putFile8Bit(file, (level->initial_player_stepsize == STEPSIZE_FAST ? 1 : 0));
6751   putFile8Bit(file, (level->initial_gravity ? 1 : 0));
6752   putFile8Bit(file, (level->encoding_16bit_field ? 1 : 0));
6753   putFile8Bit(file, (level->em_slippery_gems ? 1 : 0));
6754
6755   putFile8Bit(file, (level->use_custom_template ? 1 : 0));
6756
6757   putFile8Bit(file, (level->block_last_field ? 1 : 0));
6758   putFile8Bit(file, (level->sp_block_last_field ? 1 : 0));
6759   putFile32BitBE(file, level->can_move_into_acid_bits);
6760   putFile8Bit(file, level->dont_collide_with_bits);
6761
6762   putFile8Bit(file, (level->use_spring_bug ? 1 : 0));
6763   putFile8Bit(file, (level->use_step_counter ? 1 : 0));
6764
6765   putFile8Bit(file, (level->instant_relocation ? 1 : 0));
6766   putFile8Bit(file, (level->can_pass_to_walkable ? 1 : 0));
6767   putFile8Bit(file, (level->grow_into_diggable ? 1 : 0));
6768
6769   putFile8Bit(file, level->game_engine_type);
6770
6771   WriteUnusedBytesToFile(file, LEVEL_CHUNK_HEAD_UNUSED);
6772 }
6773 #endif
6774
6775 static int SaveLevel_NAME(FILE *file, struct LevelInfo *level)
6776 {
6777   int chunk_size = 0;
6778   int i;
6779
6780   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
6781     chunk_size += putFile8Bit(file, level->name[i]);
6782
6783   return chunk_size;
6784 }
6785
6786 static int SaveLevel_AUTH(FILE *file, struct LevelInfo *level)
6787 {
6788   int chunk_size = 0;
6789   int i;
6790
6791   for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++)
6792     chunk_size += putFile8Bit(file, level->author[i]);
6793
6794   return chunk_size;
6795 }
6796
6797 #if ENABLE_HISTORIC_CHUNKS
6798 static int SaveLevel_BODY(FILE *file, struct LevelInfo *level)
6799 {
6800   int chunk_size = 0;
6801   int x, y;
6802
6803   for (y = 0; y < level->fieldy; y++)
6804     for (x = 0; x < level->fieldx; x++)
6805       if (level->encoding_16bit_field)
6806         chunk_size += putFile16BitBE(file, level->field[x][y]);
6807       else
6808         chunk_size += putFile8Bit(file, level->field[x][y]);
6809
6810   return chunk_size;
6811 }
6812 #endif
6813
6814 static int SaveLevel_BODY(FILE *file, struct LevelInfo *level)
6815 {
6816   int chunk_size = 0;
6817   int x, y;
6818
6819   for (y = 0; y < level->fieldy; y++)
6820     for (x = 0; x < level->fieldx; x++)
6821       chunk_size += putFile16BitBE(file, level->field[x][y]);
6822
6823   return chunk_size;
6824 }
6825
6826 #if ENABLE_HISTORIC_CHUNKS
6827 static void SaveLevel_CONT(FILE *file, struct LevelInfo *level)
6828 {
6829   int i, x, y;
6830
6831   putFile8Bit(file, EL_YAMYAM);
6832   putFile8Bit(file, level->num_yamyam_contents);
6833   putFile8Bit(file, 0);
6834   putFile8Bit(file, 0);
6835
6836   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6837     for (y = 0; y < 3; y++)
6838       for (x = 0; x < 3; x++)
6839         if (level->encoding_16bit_field)
6840           putFile16BitBE(file, level->yamyam_content[i].e[x][y]);
6841         else
6842           putFile8Bit(file, level->yamyam_content[i].e[x][y]);
6843 }
6844 #endif
6845
6846 #if ENABLE_HISTORIC_CHUNKS
6847 static void SaveLevel_CNT2(FILE *file, struct LevelInfo *level, int element)
6848 {
6849   int i, x, y;
6850   int num_contents, content_xsize, content_ysize;
6851   int content_array[MAX_ELEMENT_CONTENTS][3][3];
6852
6853   if (element == EL_YAMYAM)
6854   {
6855     num_contents = level->num_yamyam_contents;
6856     content_xsize = 3;
6857     content_ysize = 3;
6858
6859     for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6860       for (y = 0; y < 3; y++)
6861         for (x = 0; x < 3; x++)
6862           content_array[i][x][y] = level->yamyam_content[i].e[x][y];
6863   }
6864   else if (element == EL_BD_AMOEBA)
6865   {
6866     num_contents = 1;
6867     content_xsize = 1;
6868     content_ysize = 1;
6869
6870     for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6871       for (y = 0; y < 3; y++)
6872         for (x = 0; x < 3; x++)
6873           content_array[i][x][y] = EL_EMPTY;
6874     content_array[0][0][0] = level->amoeba_content;
6875   }
6876   else
6877   {
6878     // chunk header already written -- write empty chunk data
6879     WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT2_SIZE);
6880
6881     Warn("cannot save content for element '%d'", element);
6882
6883     return;
6884   }
6885
6886   putFile16BitBE(file, element);
6887   putFile8Bit(file, num_contents);
6888   putFile8Bit(file, content_xsize);
6889   putFile8Bit(file, content_ysize);
6890
6891   WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT2_UNUSED);
6892
6893   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6894     for (y = 0; y < 3; y++)
6895       for (x = 0; x < 3; x++)
6896         putFile16BitBE(file, content_array[i][x][y]);
6897 }
6898 #endif
6899
6900 #if ENABLE_HISTORIC_CHUNKS
6901 static int SaveLevel_CNT3(FILE *file, struct LevelInfo *level, int element)
6902 {
6903   int envelope_nr = element - EL_ENVELOPE_1;
6904   int envelope_len = strlen(level->envelope_text[envelope_nr]) + 1;
6905   int chunk_size = 0;
6906   int i;
6907
6908   chunk_size += putFile16BitBE(file, element);
6909   chunk_size += putFile16BitBE(file, envelope_len);
6910   chunk_size += putFile8Bit(file, level->envelope_xsize[envelope_nr]);
6911   chunk_size += putFile8Bit(file, level->envelope_ysize[envelope_nr]);
6912
6913   WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT3_UNUSED);
6914   chunk_size += LEVEL_CHUNK_CNT3_UNUSED;
6915
6916   for (i = 0; i < envelope_len; i++)
6917     chunk_size += putFile8Bit(file, level->envelope_text[envelope_nr][i]);
6918
6919   return chunk_size;
6920 }
6921 #endif
6922
6923 #if ENABLE_HISTORIC_CHUNKS
6924 static void SaveLevel_CUS1(FILE *file, struct LevelInfo *level,
6925                            int num_changed_custom_elements)
6926 {
6927   int i, check = 0;
6928
6929   putFile16BitBE(file, num_changed_custom_elements);
6930
6931   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6932   {
6933     int element = EL_CUSTOM_START + i;
6934
6935     struct ElementInfo *ei = &element_info[element];
6936
6937     if (ei->properties[EP_BITFIELD_BASE_NR] != EP_BITMASK_DEFAULT)
6938     {
6939       if (check < num_changed_custom_elements)
6940       {
6941         putFile16BitBE(file, element);
6942         putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
6943       }
6944
6945       check++;
6946     }
6947   }
6948
6949   if (check != num_changed_custom_elements)     // should not happen
6950     Warn("inconsistent number of custom element properties");
6951 }
6952 #endif
6953
6954 #if ENABLE_HISTORIC_CHUNKS
6955 static void SaveLevel_CUS2(FILE *file, struct LevelInfo *level,
6956                            int num_changed_custom_elements)
6957 {
6958   int i, check = 0;
6959
6960   putFile16BitBE(file, num_changed_custom_elements);
6961
6962   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6963   {
6964     int element = EL_CUSTOM_START + i;
6965
6966     if (element_info[element].change->target_element != EL_EMPTY_SPACE)
6967     {
6968       if (check < num_changed_custom_elements)
6969       {
6970         putFile16BitBE(file, element);
6971         putFile16BitBE(file, element_info[element].change->target_element);
6972       }
6973
6974       check++;
6975     }
6976   }
6977
6978   if (check != num_changed_custom_elements)     // should not happen
6979     Warn("inconsistent number of custom target elements");
6980 }
6981 #endif
6982
6983 #if ENABLE_HISTORIC_CHUNKS
6984 static void SaveLevel_CUS3(FILE *file, struct LevelInfo *level,
6985                            int num_changed_custom_elements)
6986 {
6987   int i, j, x, y, check = 0;
6988
6989   putFile16BitBE(file, num_changed_custom_elements);
6990
6991   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6992   {
6993     int element = EL_CUSTOM_START + i;
6994     struct ElementInfo *ei = &element_info[element];
6995
6996     if (ei->modified_settings)
6997     {
6998       if (check < num_changed_custom_elements)
6999       {
7000         putFile16BitBE(file, element);
7001
7002         for (j = 0; j < MAX_ELEMENT_NAME_LEN; j++)
7003           putFile8Bit(file, ei->description[j]);
7004
7005         putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
7006
7007         // some free bytes for future properties and padding
7008         WriteUnusedBytesToFile(file, 7);
7009
7010         putFile8Bit(file, ei->use_gfx_element);
7011         putFile16BitBE(file, ei->gfx_element_initial);
7012
7013         putFile8Bit(file, ei->collect_score_initial);
7014         putFile8Bit(file, ei->collect_count_initial);
7015
7016         putFile16BitBE(file, ei->push_delay_fixed);
7017         putFile16BitBE(file, ei->push_delay_random);
7018         putFile16BitBE(file, ei->move_delay_fixed);
7019         putFile16BitBE(file, ei->move_delay_random);
7020
7021         putFile16BitBE(file, ei->move_pattern);
7022         putFile8Bit(file, ei->move_direction_initial);
7023         putFile8Bit(file, ei->move_stepsize);
7024
7025         for (y = 0; y < 3; y++)
7026           for (x = 0; x < 3; x++)
7027             putFile16BitBE(file, ei->content.e[x][y]);
7028
7029         putFile32BitBE(file, ei->change->events);
7030
7031         putFile16BitBE(file, ei->change->target_element);
7032
7033         putFile16BitBE(file, ei->change->delay_fixed);
7034         putFile16BitBE(file, ei->change->delay_random);
7035         putFile16BitBE(file, ei->change->delay_frames);
7036
7037         putFile16BitBE(file, ei->change->initial_trigger_element);
7038
7039         putFile8Bit(file, ei->change->explode);
7040         putFile8Bit(file, ei->change->use_target_content);
7041         putFile8Bit(file, ei->change->only_if_complete);
7042         putFile8Bit(file, ei->change->use_random_replace);
7043
7044         putFile8Bit(file, ei->change->random_percentage);
7045         putFile8Bit(file, ei->change->replace_when);
7046
7047         for (y = 0; y < 3; y++)
7048           for (x = 0; x < 3; x++)
7049             putFile16BitBE(file, ei->change->content.e[x][y]);
7050
7051         putFile8Bit(file, ei->slippery_type);
7052
7053         // some free bytes for future properties and padding
7054         WriteUnusedBytesToFile(file, LEVEL_CPART_CUS3_UNUSED);
7055       }
7056
7057       check++;
7058     }
7059   }
7060
7061   if (check != num_changed_custom_elements)     // should not happen
7062     Warn("inconsistent number of custom element properties");
7063 }
7064 #endif
7065
7066 #if ENABLE_HISTORIC_CHUNKS
7067 static void SaveLevel_CUS4(FILE *file, struct LevelInfo *level, int element)
7068 {
7069   struct ElementInfo *ei = &element_info[element];
7070   int i, j, x, y;
7071
7072   // ---------- custom element base property values (96 bytes) ----------------
7073
7074   putFile16BitBE(file, element);
7075
7076   for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
7077     putFile8Bit(file, ei->description[i]);
7078
7079   putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
7080
7081   WriteUnusedBytesToFile(file, 4);      // reserved for more base properties
7082
7083   putFile8Bit(file, ei->num_change_pages);
7084
7085   putFile16BitBE(file, ei->ce_value_fixed_initial);
7086   putFile16BitBE(file, ei->ce_value_random_initial);
7087   putFile8Bit(file, ei->use_last_ce_value);
7088
7089   putFile8Bit(file, ei->use_gfx_element);
7090   putFile16BitBE(file, ei->gfx_element_initial);
7091
7092   putFile8Bit(file, ei->collect_score_initial);
7093   putFile8Bit(file, ei->collect_count_initial);
7094
7095   putFile8Bit(file, ei->drop_delay_fixed);
7096   putFile8Bit(file, ei->push_delay_fixed);
7097   putFile8Bit(file, ei->drop_delay_random);
7098   putFile8Bit(file, ei->push_delay_random);
7099   putFile16BitBE(file, ei->move_delay_fixed);
7100   putFile16BitBE(file, ei->move_delay_random);
7101
7102   // bits 0 - 15 of "move_pattern" ...
7103   putFile16BitBE(file, ei->move_pattern & 0xffff);
7104   putFile8Bit(file, ei->move_direction_initial);
7105   putFile8Bit(file, ei->move_stepsize);
7106
7107   putFile8Bit(file, ei->slippery_type);
7108
7109   for (y = 0; y < 3; y++)
7110     for (x = 0; x < 3; x++)
7111       putFile16BitBE(file, ei->content.e[x][y]);
7112
7113   putFile16BitBE(file, ei->move_enter_element);
7114   putFile16BitBE(file, ei->move_leave_element);
7115   putFile8Bit(file, ei->move_leave_type);
7116
7117   // ... bits 16 - 31 of "move_pattern" (not nice, but downward compatible)
7118   putFile16BitBE(file, (ei->move_pattern >> 16) & 0xffff);
7119
7120   putFile8Bit(file, ei->access_direction);
7121
7122   putFile8Bit(file, ei->explosion_delay);
7123   putFile8Bit(file, ei->ignition_delay);
7124   putFile8Bit(file, ei->explosion_type);
7125
7126   // some free bytes for future custom property values and padding
7127   WriteUnusedBytesToFile(file, 1);
7128
7129   // ---------- change page property values (48 bytes) ------------------------
7130
7131   for (i = 0; i < ei->num_change_pages; i++)
7132   {
7133     struct ElementChangeInfo *change = &ei->change_page[i];
7134     unsigned int event_bits;
7135
7136     // bits 0 - 31 of "has_event[]" ...
7137     event_bits = 0;
7138     for (j = 0; j < MIN(NUM_CHANGE_EVENTS, 32); j++)
7139       if (change->has_event[j])
7140         event_bits |= (1 << j);
7141     putFile32BitBE(file, event_bits);
7142
7143     putFile16BitBE(file, change->target_element);
7144
7145     putFile16BitBE(file, change->delay_fixed);
7146     putFile16BitBE(file, change->delay_random);
7147     putFile16BitBE(file, change->delay_frames);
7148
7149     putFile16BitBE(file, change->initial_trigger_element);
7150
7151     putFile8Bit(file, change->explode);
7152     putFile8Bit(file, change->use_target_content);
7153     putFile8Bit(file, change->only_if_complete);
7154     putFile8Bit(file, change->use_random_replace);
7155
7156     putFile8Bit(file, change->random_percentage);
7157     putFile8Bit(file, change->replace_when);
7158
7159     for (y = 0; y < 3; y++)
7160       for (x = 0; x < 3; x++)
7161         putFile16BitBE(file, change->target_content.e[x][y]);
7162
7163     putFile8Bit(file, change->can_change);
7164
7165     putFile8Bit(file, change->trigger_side);
7166
7167     putFile8Bit(file, change->trigger_player);
7168     putFile8Bit(file, (change->trigger_page == CH_PAGE_ANY ? CH_PAGE_ANY_FILE :
7169                        log_2(change->trigger_page)));
7170
7171     putFile8Bit(file, change->has_action);
7172     putFile8Bit(file, change->action_type);
7173     putFile8Bit(file, change->action_mode);
7174     putFile16BitBE(file, change->action_arg);
7175
7176     // ... bits 32 - 39 of "has_event[]" (not nice, but downward compatible)
7177     event_bits = 0;
7178     for (j = 32; j < NUM_CHANGE_EVENTS; j++)
7179       if (change->has_event[j])
7180         event_bits |= (1 << (j - 32));
7181     putFile8Bit(file, event_bits);
7182   }
7183 }
7184 #endif
7185
7186 #if ENABLE_HISTORIC_CHUNKS
7187 static void SaveLevel_GRP1(FILE *file, struct LevelInfo *level, int element)
7188 {
7189   struct ElementInfo *ei = &element_info[element];
7190   struct ElementGroupInfo *group = ei->group;
7191   int i;
7192
7193   putFile16BitBE(file, element);
7194
7195   for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
7196     putFile8Bit(file, ei->description[i]);
7197
7198   putFile8Bit(file, group->num_elements);
7199
7200   putFile8Bit(file, ei->use_gfx_element);
7201   putFile16BitBE(file, ei->gfx_element_initial);
7202
7203   putFile8Bit(file, group->choice_mode);
7204
7205   // some free bytes for future values and padding
7206   WriteUnusedBytesToFile(file, 3);
7207
7208   for (i = 0; i < MAX_ELEMENTS_IN_GROUP; i++)
7209     putFile16BitBE(file, group->element[i]);
7210 }
7211 #endif
7212
7213 static int SaveLevel_MicroChunk(FILE *file, struct LevelFileConfigInfo *entry,
7214                                 boolean write_element)
7215 {
7216   int save_type = entry->save_type;
7217   int data_type = entry->data_type;
7218   int conf_type = entry->conf_type;
7219   int byte_mask = conf_type & CONF_MASK_BYTES;
7220   int element = entry->element;
7221   int default_value = entry->default_value;
7222   int num_bytes = 0;
7223   boolean modified = FALSE;
7224
7225   if (byte_mask != CONF_MASK_MULTI_BYTES)
7226   {
7227     void *value_ptr = entry->value;
7228     int value = (data_type == TYPE_BOOLEAN ? *(boolean *)value_ptr :
7229                  *(int *)value_ptr);
7230
7231     // check if any settings have been modified before saving them
7232     if (value != default_value)
7233       modified = TRUE;
7234
7235     // do not save if explicitly told or if unmodified default settings
7236     if ((save_type == SAVE_CONF_NEVER) ||
7237         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7238       return 0;
7239
7240     if (write_element)
7241       num_bytes += putFile16BitBE(file, element);
7242
7243     num_bytes += putFile8Bit(file, conf_type);
7244     num_bytes += (byte_mask == CONF_MASK_1_BYTE ? putFile8Bit   (file, value) :
7245                   byte_mask == CONF_MASK_2_BYTE ? putFile16BitBE(file, value) :
7246                   byte_mask == CONF_MASK_4_BYTE ? putFile32BitBE(file, value) :
7247                   0);
7248   }
7249   else if (data_type == TYPE_STRING)
7250   {
7251     char *default_string = entry->default_string;
7252     char *string = (char *)(entry->value);
7253     int string_length = strlen(string);
7254     int i;
7255
7256     // check if any settings have been modified before saving them
7257     if (!strEqual(string, default_string))
7258       modified = TRUE;
7259
7260     // do not save if explicitly told or if unmodified default settings
7261     if ((save_type == SAVE_CONF_NEVER) ||
7262         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7263       return 0;
7264
7265     if (write_element)
7266       num_bytes += putFile16BitBE(file, element);
7267
7268     num_bytes += putFile8Bit(file, conf_type);
7269     num_bytes += putFile16BitBE(file, string_length);
7270
7271     for (i = 0; i < string_length; i++)
7272       num_bytes += putFile8Bit(file, string[i]);
7273   }
7274   else if (data_type == TYPE_ELEMENT_LIST)
7275   {
7276     int *element_array = (int *)(entry->value);
7277     int num_elements = *(int *)(entry->num_entities);
7278     int i;
7279
7280     // check if any settings have been modified before saving them
7281     for (i = 0; i < num_elements; i++)
7282       if (element_array[i] != default_value)
7283         modified = TRUE;
7284
7285     // do not save if explicitly told or if unmodified default settings
7286     if ((save_type == SAVE_CONF_NEVER) ||
7287         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7288       return 0;
7289
7290     if (write_element)
7291       num_bytes += putFile16BitBE(file, element);
7292
7293     num_bytes += putFile8Bit(file, conf_type);
7294     num_bytes += putFile16BitBE(file, num_elements * CONF_ELEMENT_NUM_BYTES);
7295
7296     for (i = 0; i < num_elements; i++)
7297       num_bytes += putFile16BitBE(file, element_array[i]);
7298   }
7299   else if (data_type == TYPE_CONTENT_LIST)
7300   {
7301     struct Content *content = (struct Content *)(entry->value);
7302     int num_contents = *(int *)(entry->num_entities);
7303     int i, x, y;
7304
7305     // check if any settings have been modified before saving them
7306     for (i = 0; i < num_contents; i++)
7307       for (y = 0; y < 3; y++)
7308         for (x = 0; x < 3; x++)
7309           if (content[i].e[x][y] != default_value)
7310             modified = TRUE;
7311
7312     // do not save if explicitly told or if unmodified default settings
7313     if ((save_type == SAVE_CONF_NEVER) ||
7314         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7315       return 0;
7316
7317     if (write_element)
7318       num_bytes += putFile16BitBE(file, element);
7319
7320     num_bytes += putFile8Bit(file, conf_type);
7321     num_bytes += putFile16BitBE(file, num_contents * CONF_CONTENT_NUM_BYTES);
7322
7323     for (i = 0; i < num_contents; i++)
7324       for (y = 0; y < 3; y++)
7325         for (x = 0; x < 3; x++)
7326           num_bytes += putFile16BitBE(file, content[i].e[x][y]);
7327   }
7328
7329   return num_bytes;
7330 }
7331
7332 static int SaveLevel_INFO(FILE *file, struct LevelInfo *level)
7333 {
7334   int chunk_size = 0;
7335   int i;
7336
7337   li = *level;          // copy level data into temporary buffer
7338
7339   for (i = 0; chunk_config_INFO[i].data_type != -1; i++)
7340     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_INFO[i], FALSE);
7341
7342   return chunk_size;
7343 }
7344
7345 static int SaveLevel_ELEM(FILE *file, struct LevelInfo *level)
7346 {
7347   int chunk_size = 0;
7348   int i;
7349
7350   li = *level;          // copy level data into temporary buffer
7351
7352   for (i = 0; chunk_config_ELEM[i].data_type != -1; i++)
7353     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_ELEM[i], TRUE);
7354
7355   return chunk_size;
7356 }
7357
7358 static int SaveLevel_NOTE(FILE *file, struct LevelInfo *level, int element)
7359 {
7360   int envelope_nr = element - EL_ENVELOPE_1;
7361   int chunk_size = 0;
7362   int i;
7363
7364   chunk_size += putFile16BitBE(file, element);
7365
7366   // copy envelope data into temporary buffer
7367   xx_envelope = level->envelope[envelope_nr];
7368
7369   for (i = 0; chunk_config_NOTE[i].data_type != -1; i++)
7370     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_NOTE[i], FALSE);
7371
7372   return chunk_size;
7373 }
7374
7375 static int SaveLevel_CUSX(FILE *file, struct LevelInfo *level, int element)
7376 {
7377   struct ElementInfo *ei = &element_info[element];
7378   int chunk_size = 0;
7379   int i, j;
7380
7381   chunk_size += putFile16BitBE(file, element);
7382
7383   xx_ei = *ei;          // copy element data into temporary buffer
7384
7385   // set default description string for this specific element
7386   strcpy(xx_default_description, getDefaultElementDescription(ei));
7387
7388   for (i = 0; chunk_config_CUSX_base[i].data_type != -1; i++)
7389     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_CUSX_base[i], FALSE);
7390
7391   for (i = 0; i < ei->num_change_pages; i++)
7392   {
7393     struct ElementChangeInfo *change = &ei->change_page[i];
7394
7395     xx_current_change_page = i;
7396
7397     xx_change = *change;        // copy change data into temporary buffer
7398
7399     resetEventBits();
7400     setEventBitsFromEventFlags(change);
7401
7402     for (j = 0; chunk_config_CUSX_change[j].data_type != -1; j++)
7403       chunk_size += SaveLevel_MicroChunk(file, &chunk_config_CUSX_change[j],
7404                                          FALSE);
7405   }
7406
7407   return chunk_size;
7408 }
7409
7410 static int SaveLevel_GRPX(FILE *file, struct LevelInfo *level, int element)
7411 {
7412   struct ElementInfo *ei = &element_info[element];
7413   struct ElementGroupInfo *group = ei->group;
7414   int chunk_size = 0;
7415   int i;
7416
7417   chunk_size += putFile16BitBE(file, element);
7418
7419   xx_ei = *ei;          // copy element data into temporary buffer
7420   xx_group = *group;    // copy group data into temporary buffer
7421
7422   // set default description string for this specific element
7423   strcpy(xx_default_description, getDefaultElementDescription(ei));
7424
7425   for (i = 0; chunk_config_GRPX[i].data_type != -1; i++)
7426     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_GRPX[i], FALSE);
7427
7428   return chunk_size;
7429 }
7430
7431 static void SaveLevelFromFilename(struct LevelInfo *level, char *filename,
7432                                   boolean save_as_template)
7433 {
7434   int chunk_size;
7435   int i;
7436   FILE *file;
7437
7438   if (!(file = fopen(filename, MODE_WRITE)))
7439   {
7440     Warn("cannot save level file '%s'", filename);
7441
7442     return;
7443   }
7444
7445   level->file_version = FILE_VERSION_ACTUAL;
7446   level->game_version = GAME_VERSION_ACTUAL;
7447
7448   level->creation_date = getCurrentDate();
7449
7450   putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
7451   putFileChunkBE(file, "CAVE", CHUNK_SIZE_NONE);
7452
7453   chunk_size = SaveLevel_VERS(NULL, level);
7454   putFileChunkBE(file, "VERS", chunk_size);
7455   SaveLevel_VERS(file, level);
7456
7457   chunk_size = SaveLevel_DATE(NULL, level);
7458   putFileChunkBE(file, "DATE", chunk_size);
7459   SaveLevel_DATE(file, level);
7460
7461   chunk_size = SaveLevel_NAME(NULL, level);
7462   putFileChunkBE(file, "NAME", chunk_size);
7463   SaveLevel_NAME(file, level);
7464
7465   chunk_size = SaveLevel_AUTH(NULL, level);
7466   putFileChunkBE(file, "AUTH", chunk_size);
7467   SaveLevel_AUTH(file, level);
7468
7469   chunk_size = SaveLevel_INFO(NULL, level);
7470   putFileChunkBE(file, "INFO", chunk_size);
7471   SaveLevel_INFO(file, level);
7472
7473   chunk_size = SaveLevel_BODY(NULL, level);
7474   putFileChunkBE(file, "BODY", chunk_size);
7475   SaveLevel_BODY(file, level);
7476
7477   chunk_size = SaveLevel_ELEM(NULL, level);
7478   if (chunk_size > LEVEL_CHUNK_ELEM_UNCHANGED)          // save if changed
7479   {
7480     putFileChunkBE(file, "ELEM", chunk_size);
7481     SaveLevel_ELEM(file, level);
7482   }
7483
7484   for (i = 0; i < NUM_ENVELOPES; i++)
7485   {
7486     int element = EL_ENVELOPE_1 + i;
7487
7488     chunk_size = SaveLevel_NOTE(NULL, level, element);
7489     if (chunk_size > LEVEL_CHUNK_NOTE_UNCHANGED)        // save if changed
7490     {
7491       putFileChunkBE(file, "NOTE", chunk_size);
7492       SaveLevel_NOTE(file, level, element);
7493     }
7494   }
7495
7496   // if not using template level, check for non-default custom/group elements
7497   if (!level->use_custom_template || save_as_template)
7498   {
7499     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
7500     {
7501       int element = EL_CUSTOM_START + i;
7502
7503       chunk_size = SaveLevel_CUSX(NULL, level, element);
7504       if (chunk_size > LEVEL_CHUNK_CUSX_UNCHANGED)      // save if changed
7505       {
7506         putFileChunkBE(file, "CUSX", chunk_size);
7507         SaveLevel_CUSX(file, level, element);
7508       }
7509     }
7510
7511     for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
7512     {
7513       int element = EL_GROUP_START + i;
7514
7515       chunk_size = SaveLevel_GRPX(NULL, level, element);
7516       if (chunk_size > LEVEL_CHUNK_GRPX_UNCHANGED)      // save if changed
7517       {
7518         putFileChunkBE(file, "GRPX", chunk_size);
7519         SaveLevel_GRPX(file, level, element);
7520       }
7521     }
7522   }
7523
7524   fclose(file);
7525
7526   SetFilePermissions(filename, PERMS_PRIVATE);
7527 }
7528
7529 void SaveLevel(int nr)
7530 {
7531   char *filename = getDefaultLevelFilename(nr);
7532
7533   SaveLevelFromFilename(&level, filename, FALSE);
7534 }
7535
7536 void SaveLevelTemplate(void)
7537 {
7538   char *filename = getLocalLevelTemplateFilename();
7539
7540   SaveLevelFromFilename(&level, filename, TRUE);
7541 }
7542
7543 boolean SaveLevelChecked(int nr)
7544 {
7545   char *filename = getDefaultLevelFilename(nr);
7546   boolean new_level = !fileExists(filename);
7547   boolean level_saved = FALSE;
7548
7549   if (new_level || Request("Save this level and kill the old?", REQ_ASK))
7550   {
7551     SaveLevel(nr);
7552
7553     if (new_level)
7554       Request("Level saved!", REQ_CONFIRM);
7555
7556     level_saved = TRUE;
7557   }
7558
7559   return level_saved;
7560 }
7561
7562 void DumpLevel(struct LevelInfo *level)
7563 {
7564   if (level->no_level_file || level->no_valid_file)
7565   {
7566     Warn("cannot dump -- no valid level file found");
7567
7568     return;
7569   }
7570
7571   PrintLine("-", 79);
7572   Print("Level xxx (file version %08d, game version %08d)\n",
7573         level->file_version, level->game_version);
7574   PrintLine("-", 79);
7575
7576   Print("Level author: '%s'\n", level->author);
7577   Print("Level title:  '%s'\n", level->name);
7578   Print("\n");
7579   Print("Playfield size: %d x %d\n", level->fieldx, level->fieldy);
7580   Print("\n");
7581   Print("Level time:  %d seconds\n", level->time);
7582   Print("Gems needed: %d\n", level->gems_needed);
7583   Print("\n");
7584   Print("Time for magic wall: %d seconds\n", level->time_magic_wall);
7585   Print("Time for wheel:      %d seconds\n", level->time_wheel);
7586   Print("Time for light:      %d seconds\n", level->time_light);
7587   Print("Time for timegate:   %d seconds\n", level->time_timegate);
7588   Print("\n");
7589   Print("Amoeba speed: %d\n", level->amoeba_speed);
7590   Print("\n");
7591
7592   Print("EM style slippery gems:      %s\n", (level->em_slippery_gems ? "yes" : "no"));
7593   Print("Player blocks last field:    %s\n", (level->block_last_field ? "yes" : "no"));
7594   Print("SP player blocks last field: %s\n", (level->sp_block_last_field ? "yes" : "no"));
7595   Print("use spring bug: %s\n", (level->use_spring_bug ? "yes" : "no"));
7596   Print("use step counter: %s\n", (level->use_step_counter ? "yes" : "no"));
7597
7598   PrintLine("-", 79);
7599 }
7600
7601
7602 // ============================================================================
7603 // tape file functions
7604 // ============================================================================
7605
7606 static void setTapeInfoToDefaults(void)
7607 {
7608   int i;
7609
7610   // always start with reliable default values (empty tape)
7611   TapeErase();
7612
7613   // default values (also for pre-1.2 tapes) with only the first player
7614   tape.player_participates[0] = TRUE;
7615   for (i = 1; i < MAX_PLAYERS; i++)
7616     tape.player_participates[i] = FALSE;
7617
7618   // at least one (default: the first) player participates in every tape
7619   tape.num_participating_players = 1;
7620
7621   tape.property_bits = TAPE_PROPERTY_NONE;
7622
7623   tape.level_nr = level_nr;
7624   tape.counter = 0;
7625   tape.changed = FALSE;
7626
7627   tape.recording = FALSE;
7628   tape.playing = FALSE;
7629   tape.pausing = FALSE;
7630
7631   tape.no_valid_file = FALSE;
7632 }
7633
7634 static int getTapePosSize(struct TapeInfo *tape)
7635 {
7636   int tape_pos_size = 0;
7637
7638   if (tape->use_key_actions)
7639     tape_pos_size += tape->num_participating_players;
7640
7641   if (tape->use_mouse_actions)
7642     tape_pos_size += 3;         // x and y position and mouse button mask
7643
7644   tape_pos_size += 1;           // tape action delay value
7645
7646   return tape_pos_size;
7647 }
7648
7649 static void setTapeActionFlags(struct TapeInfo *tape, int value)
7650 {
7651   tape->use_key_actions = FALSE;
7652   tape->use_mouse_actions = FALSE;
7653
7654   if (value != TAPE_USE_MOUSE_ACTIONS_ONLY)
7655     tape->use_key_actions = TRUE;
7656
7657   if (value != TAPE_USE_KEY_ACTIONS_ONLY)
7658     tape->use_mouse_actions = TRUE;
7659 }
7660
7661 static int getTapeActionValue(struct TapeInfo *tape)
7662 {
7663   return (tape->use_key_actions &&
7664           tape->use_mouse_actions ? TAPE_USE_KEY_AND_MOUSE_ACTIONS :
7665           tape->use_key_actions   ? TAPE_USE_KEY_ACTIONS_ONLY :
7666           tape->use_mouse_actions ? TAPE_USE_MOUSE_ACTIONS_ONLY :
7667           TAPE_ACTIONS_DEFAULT);
7668 }
7669
7670 static int LoadTape_VERS(File *file, int chunk_size, struct TapeInfo *tape)
7671 {
7672   tape->file_version = getFileVersion(file);
7673   tape->game_version = getFileVersion(file);
7674
7675   return chunk_size;
7676 }
7677
7678 static int LoadTape_HEAD(File *file, int chunk_size, struct TapeInfo *tape)
7679 {
7680   int i;
7681
7682   tape->random_seed = getFile32BitBE(file);
7683   tape->date        = getFile32BitBE(file);
7684   tape->length      = getFile32BitBE(file);
7685
7686   // read header fields that are new since version 1.2
7687   if (tape->file_version >= FILE_VERSION_1_2)
7688   {
7689     byte store_participating_players = getFile8Bit(file);
7690     int engine_version;
7691
7692     // since version 1.2, tapes store which players participate in the tape
7693     tape->num_participating_players = 0;
7694     for (i = 0; i < MAX_PLAYERS; i++)
7695     {
7696       tape->player_participates[i] = FALSE;
7697
7698       if (store_participating_players & (1 << i))
7699       {
7700         tape->player_participates[i] = TRUE;
7701         tape->num_participating_players++;
7702       }
7703     }
7704
7705     setTapeActionFlags(tape, getFile8Bit(file));
7706
7707     tape->property_bits = getFile8Bit(file);
7708
7709     ReadUnusedBytesFromFile(file, TAPE_CHUNK_HEAD_UNUSED);
7710
7711     engine_version = getFileVersion(file);
7712     if (engine_version > 0)
7713       tape->engine_version = engine_version;
7714     else
7715       tape->engine_version = tape->game_version;
7716   }
7717
7718   return chunk_size;
7719 }
7720
7721 static int LoadTape_INFO(File *file, int chunk_size, struct TapeInfo *tape)
7722 {
7723   int level_identifier_size;
7724   int i;
7725
7726   level_identifier_size = getFile16BitBE(file);
7727
7728   tape->level_identifier =
7729     checked_realloc(tape->level_identifier, level_identifier_size);
7730
7731   for (i = 0; i < level_identifier_size; i++)
7732     tape->level_identifier[i] = getFile8Bit(file);
7733
7734   tape->level_nr = getFile16BitBE(file);
7735
7736   chunk_size = 2 + level_identifier_size + 2;
7737
7738   return chunk_size;
7739 }
7740
7741 static int LoadTape_BODY(File *file, int chunk_size, struct TapeInfo *tape)
7742 {
7743   int i, j;
7744   int tape_pos_size = getTapePosSize(tape);
7745   int chunk_size_expected = tape_pos_size * tape->length;
7746
7747   if (chunk_size_expected != chunk_size)
7748   {
7749     ReadUnusedBytesFromFile(file, chunk_size);
7750     return chunk_size_expected;
7751   }
7752
7753   for (i = 0; i < tape->length; i++)
7754   {
7755     if (i >= MAX_TAPE_LEN)
7756     {
7757       Warn("tape truncated -- size exceeds maximum tape size %d",
7758             MAX_TAPE_LEN);
7759
7760       // tape too large; read and ignore remaining tape data from this chunk
7761       for (;i < tape->length; i++)
7762         ReadUnusedBytesFromFile(file, tape_pos_size);
7763
7764       break;
7765     }
7766
7767     if (tape->use_key_actions)
7768     {
7769       for (j = 0; j < MAX_PLAYERS; j++)
7770       {
7771         tape->pos[i].action[j] = MV_NONE;
7772
7773         if (tape->player_participates[j])
7774           tape->pos[i].action[j] = getFile8Bit(file);
7775       }
7776     }
7777
7778     if (tape->use_mouse_actions)
7779     {
7780       tape->pos[i].action[TAPE_ACTION_LX]     = getFile8Bit(file);
7781       tape->pos[i].action[TAPE_ACTION_LY]     = getFile8Bit(file);
7782       tape->pos[i].action[TAPE_ACTION_BUTTON] = getFile8Bit(file);
7783     }
7784
7785     tape->pos[i].delay = getFile8Bit(file);
7786
7787     if (tape->file_version == FILE_VERSION_1_0)
7788     {
7789       // eliminate possible diagonal moves in old tapes
7790       // this is only for backward compatibility
7791
7792       byte joy_dir[4] = { JOY_LEFT, JOY_RIGHT, JOY_UP, JOY_DOWN };
7793       byte action = tape->pos[i].action[0];
7794       int k, num_moves = 0;
7795
7796       for (k = 0; k<4; k++)
7797       {
7798         if (action & joy_dir[k])
7799         {
7800           tape->pos[i + num_moves].action[0] = joy_dir[k];
7801           if (num_moves > 0)
7802             tape->pos[i + num_moves].delay = 0;
7803           num_moves++;
7804         }
7805       }
7806
7807       if (num_moves > 1)
7808       {
7809         num_moves--;
7810         i += num_moves;
7811         tape->length += num_moves;
7812       }
7813     }
7814     else if (tape->file_version < FILE_VERSION_2_0)
7815     {
7816       // convert pre-2.0 tapes to new tape format
7817
7818       if (tape->pos[i].delay > 1)
7819       {
7820         // action part
7821         tape->pos[i + 1] = tape->pos[i];
7822         tape->pos[i + 1].delay = 1;
7823
7824         // delay part
7825         for (j = 0; j < MAX_PLAYERS; j++)
7826           tape->pos[i].action[j] = MV_NONE;
7827         tape->pos[i].delay--;
7828
7829         i++;
7830         tape->length++;
7831       }
7832     }
7833
7834     if (checkEndOfFile(file))
7835       break;
7836   }
7837
7838   if (i != tape->length)
7839     chunk_size = tape_pos_size * i;
7840
7841   return chunk_size;
7842 }
7843
7844 static void LoadTape_SokobanSolution(char *filename)
7845 {
7846   File *file;
7847   int move_delay = TILESIZE / level.initial_player_stepsize[0];
7848
7849   if (!(file = openFile(filename, MODE_READ)))
7850   {
7851     tape.no_valid_file = TRUE;
7852
7853     return;
7854   }
7855
7856   while (!checkEndOfFile(file))
7857   {
7858     unsigned char c = getByteFromFile(file);
7859
7860     if (checkEndOfFile(file))
7861       break;
7862
7863     switch (c)
7864     {
7865       case 'u':
7866       case 'U':
7867         tape.pos[tape.length].action[0] = MV_UP;
7868         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
7869         tape.length++;
7870         break;
7871
7872       case 'd':
7873       case 'D':
7874         tape.pos[tape.length].action[0] = MV_DOWN;
7875         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
7876         tape.length++;
7877         break;
7878
7879       case 'l':
7880       case 'L':
7881         tape.pos[tape.length].action[0] = MV_LEFT;
7882         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
7883         tape.length++;
7884         break;
7885
7886       case 'r':
7887       case 'R':
7888         tape.pos[tape.length].action[0] = MV_RIGHT;
7889         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
7890         tape.length++;
7891         break;
7892
7893       case '\n':
7894       case '\r':
7895       case '\t':
7896       case ' ':
7897         // ignore white-space characters
7898         break;
7899
7900       default:
7901         tape.no_valid_file = TRUE;
7902
7903         Warn("unsupported Sokoban solution file '%s' ['%d']", filename, c);
7904
7905         break;
7906     }
7907   }
7908
7909   closeFile(file);
7910
7911   if (tape.no_valid_file)
7912     return;
7913
7914   tape.length_frames  = GetTapeLengthFrames();
7915   tape.length_seconds = GetTapeLengthSeconds();
7916 }
7917
7918 void LoadTapeFromFilename(char *filename)
7919 {
7920   char cookie[MAX_LINE_LEN];
7921   char chunk_name[CHUNK_ID_LEN + 1];
7922   File *file;
7923   int chunk_size;
7924
7925   // always start with reliable default values
7926   setTapeInfoToDefaults();
7927
7928   if (strSuffix(filename, ".sln"))
7929   {
7930     LoadTape_SokobanSolution(filename);
7931
7932     return;
7933   }
7934
7935   if (!(file = openFile(filename, MODE_READ)))
7936   {
7937     tape.no_valid_file = TRUE;
7938
7939     return;
7940   }
7941
7942   getFileChunkBE(file, chunk_name, NULL);
7943   if (strEqual(chunk_name, "RND1"))
7944   {
7945     getFile32BitBE(file);               // not used
7946
7947     getFileChunkBE(file, chunk_name, NULL);
7948     if (!strEqual(chunk_name, "TAPE"))
7949     {
7950       tape.no_valid_file = TRUE;
7951
7952       Warn("unknown format of tape file '%s'", filename);
7953
7954       closeFile(file);
7955
7956       return;
7957     }
7958   }
7959   else  // check for pre-2.0 file format with cookie string
7960   {
7961     strcpy(cookie, chunk_name);
7962     if (getStringFromFile(file, &cookie[4], MAX_LINE_LEN - 4) == NULL)
7963       cookie[4] = '\0';
7964     if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
7965       cookie[strlen(cookie) - 1] = '\0';
7966
7967     if (!checkCookieString(cookie, TAPE_COOKIE_TMPL))
7968     {
7969       tape.no_valid_file = TRUE;
7970
7971       Warn("unknown format of tape file '%s'", filename);
7972
7973       closeFile(file);
7974
7975       return;
7976     }
7977
7978     if ((tape.file_version = getFileVersionFromCookieString(cookie)) == -1)
7979     {
7980       tape.no_valid_file = TRUE;
7981
7982       Warn("unsupported version of tape file '%s'", filename);
7983
7984       closeFile(file);
7985
7986       return;
7987     }
7988
7989     // pre-2.0 tape files have no game version, so use file version here
7990     tape.game_version = tape.file_version;
7991   }
7992
7993   if (tape.file_version < FILE_VERSION_1_2)
7994   {
7995     // tape files from versions before 1.2.0 without chunk structure
7996     LoadTape_HEAD(file, TAPE_CHUNK_HEAD_SIZE, &tape);
7997     LoadTape_BODY(file, 2 * tape.length,      &tape);
7998   }
7999   else
8000   {
8001     static struct
8002     {
8003       char *name;
8004       int size;
8005       int (*loader)(File *, int, struct TapeInfo *);
8006     }
8007     chunk_info[] =
8008     {
8009       { "VERS", TAPE_CHUNK_VERS_SIZE,   LoadTape_VERS },
8010       { "HEAD", TAPE_CHUNK_HEAD_SIZE,   LoadTape_HEAD },
8011       { "INFO", -1,                     LoadTape_INFO },
8012       { "BODY", -1,                     LoadTape_BODY },
8013       {  NULL,  0,                      NULL }
8014     };
8015
8016     while (getFileChunkBE(file, chunk_name, &chunk_size))
8017     {
8018       int i = 0;
8019
8020       while (chunk_info[i].name != NULL &&
8021              !strEqual(chunk_name, chunk_info[i].name))
8022         i++;
8023
8024       if (chunk_info[i].name == NULL)
8025       {
8026         Warn("unknown chunk '%s' in tape file '%s'",
8027               chunk_name, filename);
8028
8029         ReadUnusedBytesFromFile(file, chunk_size);
8030       }
8031       else if (chunk_info[i].size != -1 &&
8032                chunk_info[i].size != chunk_size)
8033       {
8034         Warn("wrong size (%d) of chunk '%s' in tape file '%s'",
8035               chunk_size, chunk_name, filename);
8036
8037         ReadUnusedBytesFromFile(file, chunk_size);
8038       }
8039       else
8040       {
8041         // call function to load this tape chunk
8042         int chunk_size_expected =
8043           (chunk_info[i].loader)(file, chunk_size, &tape);
8044
8045         // the size of some chunks cannot be checked before reading other
8046         // chunks first (like "HEAD" and "BODY") that contain some header
8047         // information, so check them here
8048         if (chunk_size_expected != chunk_size)
8049         {
8050           Warn("wrong size (%d) of chunk '%s' in tape file '%s'",
8051                 chunk_size, chunk_name, filename);
8052         }
8053       }
8054     }
8055   }
8056
8057   closeFile(file);
8058
8059   tape.length_frames  = GetTapeLengthFrames();
8060   tape.length_seconds = GetTapeLengthSeconds();
8061
8062 #if 0
8063   Debug("files:LoadTapeFromFilename", "tape file version: %d",
8064         tape.file_version);
8065   Debug("files:LoadTapeFromFilename", "tape game version: %d",
8066         tape.game_version);
8067   Debug("files:LoadTapeFromFilename", "tape engine version: %d",
8068         tape.engine_version);
8069 #endif
8070 }
8071
8072 void LoadTape(int nr)
8073 {
8074   char *filename = getTapeFilename(nr);
8075
8076   LoadTapeFromFilename(filename);
8077 }
8078
8079 void LoadSolutionTape(int nr)
8080 {
8081   char *filename = getSolutionTapeFilename(nr);
8082
8083   LoadTapeFromFilename(filename);
8084
8085   if (TAPE_IS_EMPTY(tape) &&
8086       level.game_engine_type == GAME_ENGINE_TYPE_SP &&
8087       level.native_sp_level->demo.is_available)
8088     CopyNativeTape_SP_to_RND(&level);
8089 }
8090
8091 static void SaveTape_VERS(FILE *file, struct TapeInfo *tape)
8092 {
8093   putFileVersion(file, tape->file_version);
8094   putFileVersion(file, tape->game_version);
8095 }
8096
8097 static void SaveTape_HEAD(FILE *file, struct TapeInfo *tape)
8098 {
8099   int i;
8100   byte store_participating_players = 0;
8101
8102   // set bits for participating players for compact storage
8103   for (i = 0; i < MAX_PLAYERS; i++)
8104     if (tape->player_participates[i])
8105       store_participating_players |= (1 << i);
8106
8107   putFile32BitBE(file, tape->random_seed);
8108   putFile32BitBE(file, tape->date);
8109   putFile32BitBE(file, tape->length);
8110
8111   putFile8Bit(file, store_participating_players);
8112
8113   putFile8Bit(file, getTapeActionValue(tape));
8114
8115   putFile8Bit(file, tape->property_bits);
8116
8117   // unused bytes not at the end here for 4-byte alignment of engine_version
8118   WriteUnusedBytesToFile(file, TAPE_CHUNK_HEAD_UNUSED);
8119
8120   putFileVersion(file, tape->engine_version);
8121 }
8122
8123 static void SaveTape_INFO(FILE *file, struct TapeInfo *tape)
8124 {
8125   int level_identifier_size = strlen(tape->level_identifier) + 1;
8126   int i;
8127
8128   putFile16BitBE(file, level_identifier_size);
8129
8130   for (i = 0; i < level_identifier_size; i++)
8131     putFile8Bit(file, tape->level_identifier[i]);
8132
8133   putFile16BitBE(file, tape->level_nr);
8134 }
8135
8136 static void SaveTape_BODY(FILE *file, struct TapeInfo *tape)
8137 {
8138   int i, j;
8139
8140   for (i = 0; i < tape->length; i++)
8141   {
8142     if (tape->use_key_actions)
8143     {
8144       for (j = 0; j < MAX_PLAYERS; j++)
8145         if (tape->player_participates[j])
8146           putFile8Bit(file, tape->pos[i].action[j]);
8147     }
8148
8149     if (tape->use_mouse_actions)
8150     {
8151       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_LX]);
8152       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_LY]);
8153       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_BUTTON]);
8154     }
8155
8156     putFile8Bit(file, tape->pos[i].delay);
8157   }
8158 }
8159
8160 void SaveTapeToFilename(char *filename)
8161 {
8162   FILE *file;
8163   int tape_pos_size;
8164   int info_chunk_size;
8165   int body_chunk_size;
8166
8167   if (!(file = fopen(filename, MODE_WRITE)))
8168   {
8169     Warn("cannot save level recording file '%s'", filename);
8170
8171     return;
8172   }
8173
8174   tape_pos_size = getTapePosSize(&tape);
8175
8176   info_chunk_size = 2 + (strlen(tape.level_identifier) + 1) + 2;
8177   body_chunk_size = tape_pos_size * tape.length;
8178
8179   putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
8180   putFileChunkBE(file, "TAPE", CHUNK_SIZE_NONE);
8181
8182   putFileChunkBE(file, "VERS", TAPE_CHUNK_VERS_SIZE);
8183   SaveTape_VERS(file, &tape);
8184
8185   putFileChunkBE(file, "HEAD", TAPE_CHUNK_HEAD_SIZE);
8186   SaveTape_HEAD(file, &tape);
8187
8188   putFileChunkBE(file, "INFO", info_chunk_size);
8189   SaveTape_INFO(file, &tape);
8190
8191   putFileChunkBE(file, "BODY", body_chunk_size);
8192   SaveTape_BODY(file, &tape);
8193
8194   fclose(file);
8195
8196   SetFilePermissions(filename, PERMS_PRIVATE);
8197 }
8198
8199 void SaveTape(int nr)
8200 {
8201   char *filename = getTapeFilename(nr);
8202   int i;
8203
8204   InitTapeDirectory(leveldir_current->subdir);
8205
8206   tape.file_version = FILE_VERSION_ACTUAL;
8207   tape.game_version = GAME_VERSION_ACTUAL;
8208
8209   tape.num_participating_players = 0;
8210
8211   // count number of participating players
8212   for (i = 0; i < MAX_PLAYERS; i++)
8213     if (tape.player_participates[i])
8214       tape.num_participating_players++;
8215
8216   SaveTapeToFilename(filename);
8217
8218   tape.changed = FALSE;
8219 }
8220
8221 static boolean SaveTapeCheckedExt(int nr, char *msg_replace, char *msg_saved,
8222                                   unsigned int req_state_added)
8223 {
8224   char *filename = getTapeFilename(nr);
8225   boolean new_tape = !fileExists(filename);
8226   boolean tape_saved = FALSE;
8227
8228   if (new_tape || Request(msg_replace, REQ_ASK | req_state_added))
8229   {
8230     SaveTape(nr);
8231
8232     if (new_tape)
8233       Request(msg_saved, REQ_CONFIRM | req_state_added);
8234
8235     tape_saved = TRUE;
8236   }
8237
8238   return tape_saved;
8239 }
8240
8241 boolean SaveTapeChecked(int nr)
8242 {
8243   return SaveTapeCheckedExt(nr, "Replace old tape?", "Tape saved!", 0);
8244 }
8245
8246 boolean SaveTapeChecked_LevelSolved(int nr)
8247 {
8248   return SaveTapeCheckedExt(nr, "Level solved! Replace old tape?",
8249                                 "Level solved! Tape saved!", REQ_STAY_OPEN);
8250 }
8251
8252 void DumpTape(struct TapeInfo *tape)
8253 {
8254   int tape_frame_counter;
8255   int i, j;
8256
8257   if (tape->no_valid_file)
8258   {
8259     Warn("cannot dump -- no valid tape file found");
8260
8261     return;
8262   }
8263
8264   PrintLine("-", 79);
8265   Print("Tape of Level %03d (file version %08d, game version %08d)\n",
8266         tape->level_nr, tape->file_version, tape->game_version);
8267   Print("                  (effective engine version %08d)\n",
8268         tape->engine_version);
8269   Print("Level series identifier: '%s'\n", tape->level_identifier);
8270   PrintLine("-", 79);
8271
8272   tape_frame_counter = 0;
8273
8274   for (i = 0; i < tape->length; i++)
8275   {
8276     if (i >= MAX_TAPE_LEN)
8277       break;
8278
8279     Print("%04d: ", i);
8280
8281     for (j = 0; j < MAX_PLAYERS; j++)
8282     {
8283       if (tape->player_participates[j])
8284       {
8285         int action = tape->pos[i].action[j];
8286
8287         Print("%d:%02x ", j, action);
8288         Print("[%c%c%c%c|%c%c] - ",
8289               (action & JOY_LEFT ? '<' : ' '),
8290               (action & JOY_RIGHT ? '>' : ' '),
8291               (action & JOY_UP ? '^' : ' '),
8292               (action & JOY_DOWN ? 'v' : ' '),
8293               (action & JOY_BUTTON_1 ? '1' : ' '),
8294               (action & JOY_BUTTON_2 ? '2' : ' '));
8295       }
8296     }
8297
8298     Print("(%03d) ", tape->pos[i].delay);
8299     Print("[%05d]\n", tape_frame_counter);
8300
8301     tape_frame_counter += tape->pos[i].delay;
8302   }
8303
8304   PrintLine("-", 79);
8305 }
8306
8307
8308 // ============================================================================
8309 // score file functions
8310 // ============================================================================
8311
8312 void LoadScore(int nr)
8313 {
8314   int i;
8315   char *filename = getScoreFilename(nr);
8316   char cookie[MAX_LINE_LEN];
8317   char line[MAX_LINE_LEN];
8318   char *line_ptr;
8319   FILE *file;
8320
8321   // always start with reliable default values
8322   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8323   {
8324     strcpy(highscore[i].Name, EMPTY_PLAYER_NAME);
8325     highscore[i].Score = 0;
8326   }
8327
8328   if (!(file = fopen(filename, MODE_READ)))
8329     return;
8330
8331   // check file identifier
8332   if (fgets(cookie, MAX_LINE_LEN, file) == NULL)
8333     cookie[0] = '\0';
8334   if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
8335     cookie[strlen(cookie) - 1] = '\0';
8336
8337   if (!checkCookieString(cookie, SCORE_COOKIE))
8338   {
8339     Warn("unknown format of score file '%s'", filename);
8340
8341     fclose(file);
8342
8343     return;
8344   }
8345
8346   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8347   {
8348     if (fscanf(file, "%d", &highscore[i].Score) == EOF)
8349       Warn("fscanf() failed; %s", strerror(errno));
8350
8351     if (fgets(line, MAX_LINE_LEN, file) == NULL)
8352       line[0] = '\0';
8353
8354     if (strlen(line) > 0 && line[strlen(line) - 1] == '\n')
8355       line[strlen(line) - 1] = '\0';
8356
8357     for (line_ptr = line; *line_ptr; line_ptr++)
8358     {
8359       if (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
8360       {
8361         strncpy(highscore[i].Name, line_ptr, MAX_PLAYER_NAME_LEN);
8362         highscore[i].Name[MAX_PLAYER_NAME_LEN] = '\0';
8363         break;
8364       }
8365     }
8366   }
8367
8368   fclose(file);
8369 }
8370
8371 void SaveScore(int nr)
8372 {
8373   int i;
8374   int permissions = (program.global_scores ? PERMS_PUBLIC : PERMS_PRIVATE);
8375   char *filename = getScoreFilename(nr);
8376   FILE *file;
8377
8378   // used instead of "leveldir_current->subdir" (for network games)
8379   InitScoreDirectory(levelset.identifier);
8380
8381   if (!(file = fopen(filename, MODE_WRITE)))
8382   {
8383     Warn("cannot save score for level %d", nr);
8384
8385     return;
8386   }
8387
8388   fprintf(file, "%s\n\n", SCORE_COOKIE);
8389
8390   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8391     fprintf(file, "%d %s\n", highscore[i].Score, highscore[i].Name);
8392
8393   fclose(file);
8394
8395   SetFilePermissions(filename, permissions);
8396 }
8397
8398
8399 // ============================================================================
8400 // setup file functions
8401 // ============================================================================
8402
8403 #define TOKEN_STR_PLAYER_PREFIX                 "player_"
8404
8405
8406 static struct TokenInfo global_setup_tokens[] =
8407 {
8408   {
8409     TYPE_STRING,
8410     &setup.player_name,                         "player_name"
8411   },
8412   {
8413     TYPE_SWITCH,
8414     &setup.multiple_users,                      "multiple_users"
8415   },
8416   {
8417     TYPE_SWITCH,
8418     &setup.sound,                               "sound"
8419   },
8420   {
8421     TYPE_SWITCH,
8422     &setup.sound_loops,                         "repeating_sound_loops"
8423   },
8424   {
8425     TYPE_SWITCH,
8426     &setup.sound_music,                         "background_music"
8427   },
8428   {
8429     TYPE_SWITCH,
8430     &setup.sound_simple,                        "simple_sound_effects"
8431   },
8432   {
8433     TYPE_SWITCH,
8434     &setup.toons,                               "toons"
8435   },
8436   {
8437     TYPE_SWITCH,
8438     &setup.scroll_delay,                        "scroll_delay"
8439   },
8440   {
8441     TYPE_SWITCH,
8442     &setup.forced_scroll_delay,                 "forced_scroll_delay"
8443   },
8444   {
8445     TYPE_INTEGER,
8446     &setup.scroll_delay_value,                  "scroll_delay_value"
8447   },
8448   {
8449     TYPE_STRING,
8450     &setup.engine_snapshot_mode,                "engine_snapshot_mode"
8451   },
8452   {
8453     TYPE_INTEGER,
8454     &setup.engine_snapshot_memory,              "engine_snapshot_memory"
8455   },
8456   {
8457     TYPE_SWITCH,
8458     &setup.fade_screens,                        "fade_screens"
8459   },
8460   {
8461     TYPE_SWITCH,
8462     &setup.autorecord,                          "automatic_tape_recording"
8463   },
8464   {
8465     TYPE_SWITCH,
8466     &setup.show_titlescreen,                    "show_titlescreen"
8467   },
8468   {
8469     TYPE_SWITCH,
8470     &setup.quick_doors,                         "quick_doors"
8471   },
8472   {
8473     TYPE_SWITCH,
8474     &setup.team_mode,                           "team_mode"
8475   },
8476   {
8477     TYPE_SWITCH,
8478     &setup.handicap,                            "handicap"
8479   },
8480   {
8481     TYPE_SWITCH,
8482     &setup.skip_levels,                         "skip_levels"
8483   },
8484   {
8485     TYPE_SWITCH,
8486     &setup.increment_levels,                    "increment_levels"
8487   },
8488   {
8489     TYPE_SWITCH,
8490     &setup.auto_play_next_level,                "auto_play_next_level"
8491   },
8492   {
8493     TYPE_SWITCH,
8494     &setup.skip_scores_after_game,              "skip_scores_after_game"
8495   },
8496   {
8497     TYPE_SWITCH,
8498     &setup.time_limit,                          "time_limit"
8499   },
8500   {
8501     TYPE_SWITCH,
8502     &setup.fullscreen,                          "fullscreen"
8503   },
8504   {
8505     TYPE_INTEGER,
8506     &setup.window_scaling_percent,              "window_scaling_percent"
8507   },
8508   {
8509     TYPE_STRING,
8510     &setup.window_scaling_quality,              "window_scaling_quality"
8511   },
8512   {
8513     TYPE_STRING,
8514     &setup.screen_rendering_mode,               "screen_rendering_mode"
8515   },
8516   {
8517     TYPE_STRING,
8518     &setup.vsync_mode,                          "vsync_mode"
8519   },
8520   {
8521     TYPE_SWITCH,
8522     &setup.ask_on_escape,                       "ask_on_escape"
8523   },
8524   {
8525     TYPE_SWITCH,
8526     &setup.ask_on_escape_editor,                "ask_on_escape_editor"
8527   },
8528   {
8529     TYPE_SWITCH,
8530     &setup.ask_on_game_over,                    "ask_on_game_over"
8531   },
8532   {
8533     TYPE_SWITCH,
8534     &setup.quick_switch,                        "quick_player_switch"
8535   },
8536   {
8537     TYPE_SWITCH,
8538     &setup.input_on_focus,                      "input_on_focus"
8539   },
8540   {
8541     TYPE_SWITCH,
8542     &setup.prefer_aga_graphics,                 "prefer_aga_graphics"
8543   },
8544   {
8545     TYPE_SWITCH,
8546     &setup.prefer_lowpass_sounds,               "prefer_lowpass_sounds"
8547   },
8548   {
8549     TYPE_SWITCH,
8550     &setup.game_speed_extended,                 "game_speed_extended"
8551   },
8552   {
8553     TYPE_INTEGER,
8554     &setup.game_frame_delay,                    "game_frame_delay"
8555   },
8556   {
8557     TYPE_SWITCH,
8558     &setup.sp_show_border_elements,             "sp_show_border_elements"
8559   },
8560   {
8561     TYPE_SWITCH,
8562     &setup.small_game_graphics,                 "small_game_graphics"
8563   },
8564   {
8565     TYPE_SWITCH,
8566     &setup.show_snapshot_buttons,               "show_snapshot_buttons"
8567   },
8568   {
8569     TYPE_STRING,
8570     &setup.graphics_set,                        "graphics_set"
8571   },
8572   {
8573     TYPE_STRING,
8574     &setup.sounds_set,                          "sounds_set"
8575   },
8576   {
8577     TYPE_STRING,
8578     &setup.music_set,                           "music_set"
8579   },
8580   {
8581     TYPE_SWITCH3,
8582     &setup.override_level_graphics,             "override_level_graphics"
8583   },
8584   {
8585     TYPE_SWITCH3,
8586     &setup.override_level_sounds,               "override_level_sounds"
8587   },
8588   {
8589     TYPE_SWITCH3,
8590     &setup.override_level_music,                "override_level_music"
8591   },
8592   {
8593     TYPE_INTEGER,
8594     &setup.volume_simple,                       "volume_simple"
8595   },
8596   {
8597     TYPE_INTEGER,
8598     &setup.volume_loops,                        "volume_loops"
8599   },
8600   {
8601     TYPE_INTEGER,
8602     &setup.volume_music,                        "volume_music"
8603   },
8604   {
8605     TYPE_SWITCH,
8606     &setup.network_mode,                        "network_mode"
8607   },
8608   {
8609     TYPE_PLAYER,
8610     &setup.network_player_nr,                   "network_player"
8611   },
8612   {
8613     TYPE_STRING,
8614     &setup.network_server_hostname,             "network_server_hostname"
8615   },
8616   {
8617     TYPE_STRING,
8618     &setup.touch.control_type,                  "touch.control_type"
8619   },
8620   {
8621     TYPE_INTEGER,
8622     &setup.touch.move_distance,                 "touch.move_distance"
8623   },
8624   {
8625     TYPE_INTEGER,
8626     &setup.touch.drop_distance,                 "touch.drop_distance"
8627   },
8628   {
8629     TYPE_INTEGER,
8630     &setup.touch.transparency,                  "touch.transparency"
8631   },
8632   {
8633     TYPE_INTEGER,
8634     &setup.touch.draw_outlined,                 "touch.draw_outlined"
8635   },
8636   {
8637     TYPE_INTEGER,
8638     &setup.touch.draw_pressed,                  "touch.draw_pressed"
8639   },
8640   {
8641     TYPE_INTEGER,
8642     &setup.touch.grid_xsize[0],                 "touch.virtual_buttons.0.xsize"
8643   },
8644   {
8645     TYPE_INTEGER,
8646     &setup.touch.grid_ysize[0],                 "touch.virtual_buttons.0.ysize"
8647   },
8648   {
8649     TYPE_INTEGER,
8650     &setup.touch.grid_xsize[1],                 "touch.virtual_buttons.1.xsize"
8651   },
8652   {
8653     TYPE_INTEGER,
8654     &setup.touch.grid_ysize[1],                 "touch.virtual_buttons.1.ysize"
8655   },
8656 };
8657
8658 static struct TokenInfo auto_setup_tokens[] =
8659 {
8660   {
8661     TYPE_INTEGER,
8662     &setup.auto_setup.editor_zoom_tilesize,     "editor.zoom_tilesize"
8663   },
8664 };
8665
8666 static struct TokenInfo editor_setup_tokens[] =
8667 {
8668   {
8669     TYPE_SWITCH,
8670     &setup.editor.el_classic,                   "editor.el_classic"
8671   },
8672   {
8673     TYPE_SWITCH,
8674     &setup.editor.el_custom,                    "editor.el_custom"
8675   },
8676   {
8677     TYPE_SWITCH,
8678     &setup.editor.el_user_defined,              "editor.el_user_defined"
8679   },
8680   {
8681     TYPE_SWITCH,
8682     &setup.editor.el_dynamic,                   "editor.el_dynamic"
8683   },
8684   {
8685     TYPE_SWITCH,
8686     &setup.editor.el_headlines,                 "editor.el_headlines"
8687   },
8688   {
8689     TYPE_SWITCH,
8690     &setup.editor.show_element_token,           "editor.show_element_token"
8691   },
8692 };
8693
8694 static struct TokenInfo editor_cascade_setup_tokens[] =
8695 {
8696   {
8697     TYPE_SWITCH,
8698     &setup.editor_cascade.el_bd,                "editor.cascade.el_bd"
8699   },
8700   {
8701     TYPE_SWITCH,
8702     &setup.editor_cascade.el_em,                "editor.cascade.el_em"
8703   },
8704   {
8705     TYPE_SWITCH,
8706     &setup.editor_cascade.el_emc,               "editor.cascade.el_emc"
8707   },
8708   {
8709     TYPE_SWITCH,
8710     &setup.editor_cascade.el_rnd,               "editor.cascade.el_rnd"
8711   },
8712   {
8713     TYPE_SWITCH,
8714     &setup.editor_cascade.el_sb,                "editor.cascade.el_sb"
8715   },
8716   {
8717     TYPE_SWITCH,
8718     &setup.editor_cascade.el_sp,                "editor.cascade.el_sp"
8719   },
8720   {
8721     TYPE_SWITCH,
8722     &setup.editor_cascade.el_dc,                "editor.cascade.el_dc"
8723   },
8724   {
8725     TYPE_SWITCH,
8726     &setup.editor_cascade.el_dx,                "editor.cascade.el_dx"
8727   },
8728   {
8729     TYPE_SWITCH,
8730     &setup.editor_cascade.el_mm,                "editor.cascade.el_mm"
8731   },
8732   {
8733     TYPE_SWITCH,
8734     &setup.editor_cascade.el_df,                "editor.cascade.el_df"
8735   },
8736   {
8737     TYPE_SWITCH,
8738     &setup.editor_cascade.el_chars,             "editor.cascade.el_chars"
8739   },
8740   {
8741     TYPE_SWITCH,
8742     &setup.editor_cascade.el_steel_chars,       "editor.cascade.el_steel_chars"
8743   },
8744   {
8745     TYPE_SWITCH,
8746     &setup.editor_cascade.el_ce,                "editor.cascade.el_ce"
8747   },
8748   {
8749     TYPE_SWITCH,
8750     &setup.editor_cascade.el_ge,                "editor.cascade.el_ge"
8751   },
8752   {
8753     TYPE_SWITCH,
8754     &setup.editor_cascade.el_ref,               "editor.cascade.el_ref"
8755   },
8756   {
8757     TYPE_SWITCH,
8758     &setup.editor_cascade.el_user,              "editor.cascade.el_user"
8759   },
8760   {
8761     TYPE_SWITCH,
8762     &setup.editor_cascade.el_dynamic,           "editor.cascade.el_dynamic"
8763   },
8764 };
8765
8766 static struct TokenInfo shortcut_setup_tokens[] =
8767 {
8768   {
8769     TYPE_KEY_X11,
8770     &setup.shortcut.save_game,                  "shortcut.save_game"
8771   },
8772   {
8773     TYPE_KEY_X11,
8774     &setup.shortcut.load_game,                  "shortcut.load_game"
8775   },
8776   {
8777     TYPE_KEY_X11,
8778     &setup.shortcut.toggle_pause,               "shortcut.toggle_pause"
8779   },
8780   {
8781     TYPE_KEY_X11,
8782     &setup.shortcut.focus_player[0],            "shortcut.focus_player_1"
8783   },
8784   {
8785     TYPE_KEY_X11,
8786     &setup.shortcut.focus_player[1],            "shortcut.focus_player_2"
8787   },
8788   {
8789     TYPE_KEY_X11,
8790     &setup.shortcut.focus_player[2],            "shortcut.focus_player_3"
8791   },
8792   {
8793     TYPE_KEY_X11,
8794     &setup.shortcut.focus_player[3],            "shortcut.focus_player_4"
8795   },
8796   {
8797     TYPE_KEY_X11,
8798     &setup.shortcut.focus_player_all,           "shortcut.focus_player_all"
8799   },
8800   {
8801     TYPE_KEY_X11,
8802     &setup.shortcut.tape_eject,                 "shortcut.tape_eject"
8803   },
8804   {
8805     TYPE_KEY_X11,
8806     &setup.shortcut.tape_extra,                 "shortcut.tape_extra"
8807   },
8808   {
8809     TYPE_KEY_X11,
8810     &setup.shortcut.tape_stop,                  "shortcut.tape_stop"
8811   },
8812   {
8813     TYPE_KEY_X11,
8814     &setup.shortcut.tape_pause,                 "shortcut.tape_pause"
8815   },
8816   {
8817     TYPE_KEY_X11,
8818     &setup.shortcut.tape_record,                "shortcut.tape_record"
8819   },
8820   {
8821     TYPE_KEY_X11,
8822     &setup.shortcut.tape_play,                  "shortcut.tape_play"
8823   },
8824   {
8825     TYPE_KEY_X11,
8826     &setup.shortcut.sound_simple,               "shortcut.sound_simple"
8827   },
8828   {
8829     TYPE_KEY_X11,
8830     &setup.shortcut.sound_loops,                "shortcut.sound_loops"
8831   },
8832   {
8833     TYPE_KEY_X11,
8834     &setup.shortcut.sound_music,                "shortcut.sound_music"
8835   },
8836   {
8837     TYPE_KEY_X11,
8838     &setup.shortcut.snap_left,                  "shortcut.snap_left"
8839   },
8840   {
8841     TYPE_KEY_X11,
8842     &setup.shortcut.snap_right,                 "shortcut.snap_right"
8843   },
8844   {
8845     TYPE_KEY_X11,
8846     &setup.shortcut.snap_up,                    "shortcut.snap_up"
8847   },
8848   {
8849     TYPE_KEY_X11,
8850     &setup.shortcut.snap_down,                  "shortcut.snap_down"
8851   },
8852 };
8853
8854 static struct SetupInputInfo setup_input;
8855 static struct TokenInfo player_setup_tokens[] =
8856 {
8857   {
8858     TYPE_BOOLEAN,
8859     &setup_input.use_joystick,                  ".use_joystick"
8860   },
8861   {
8862     TYPE_STRING,
8863     &setup_input.joy.device_name,               ".joy.device_name"
8864   },
8865   {
8866     TYPE_INTEGER,
8867     &setup_input.joy.xleft,                     ".joy.xleft"
8868   },
8869   {
8870     TYPE_INTEGER,
8871     &setup_input.joy.xmiddle,                   ".joy.xmiddle"
8872   },
8873   {
8874     TYPE_INTEGER,
8875     &setup_input.joy.xright,                    ".joy.xright"
8876   },
8877   {
8878     TYPE_INTEGER,
8879     &setup_input.joy.yupper,                    ".joy.yupper"
8880   },
8881   {
8882     TYPE_INTEGER,
8883     &setup_input.joy.ymiddle,                   ".joy.ymiddle"
8884   },
8885   {
8886     TYPE_INTEGER,
8887     &setup_input.joy.ylower,                    ".joy.ylower"
8888   },
8889   {
8890     TYPE_INTEGER,
8891     &setup_input.joy.snap,                      ".joy.snap_field"
8892   },
8893   {
8894     TYPE_INTEGER,
8895     &setup_input.joy.drop,                      ".joy.place_bomb"
8896   },
8897   {
8898     TYPE_KEY_X11,
8899     &setup_input.key.left,                      ".key.move_left"
8900   },
8901   {
8902     TYPE_KEY_X11,
8903     &setup_input.key.right,                     ".key.move_right"
8904   },
8905   {
8906     TYPE_KEY_X11,
8907     &setup_input.key.up,                        ".key.move_up"
8908   },
8909   {
8910     TYPE_KEY_X11,
8911     &setup_input.key.down,                      ".key.move_down"
8912   },
8913   {
8914     TYPE_KEY_X11,
8915     &setup_input.key.snap,                      ".key.snap_field"
8916   },
8917   {
8918     TYPE_KEY_X11,
8919     &setup_input.key.drop,                      ".key.place_bomb"
8920   },
8921 };
8922
8923 static struct TokenInfo system_setup_tokens[] =
8924 {
8925   {
8926     TYPE_STRING,
8927     &setup.system.sdl_renderdriver,             "system.sdl_renderdriver"
8928   },
8929   {
8930     TYPE_STRING,
8931     &setup.system.sdl_videodriver,              "system.sdl_videodriver"
8932   },
8933   {
8934     TYPE_STRING,
8935     &setup.system.sdl_audiodriver,              "system.sdl_audiodriver"
8936   },
8937   {
8938     TYPE_INTEGER,
8939     &setup.system.audio_fragment_size,          "system.audio_fragment_size"
8940   },
8941 };
8942
8943 static struct TokenInfo internal_setup_tokens[] =
8944 {
8945   {
8946     TYPE_STRING,
8947     &setup.internal.program_title,              "program_title"
8948   },
8949   {
8950     TYPE_STRING,
8951     &setup.internal.program_version,            "program_version"
8952   },
8953   {
8954     TYPE_STRING,
8955     &setup.internal.program_author,             "program_author"
8956   },
8957   {
8958     TYPE_STRING,
8959     &setup.internal.program_email,              "program_email"
8960   },
8961   {
8962     TYPE_STRING,
8963     &setup.internal.program_website,            "program_website"
8964   },
8965   {
8966     TYPE_STRING,
8967     &setup.internal.program_copyright,          "program_copyright"
8968   },
8969   {
8970     TYPE_STRING,
8971     &setup.internal.program_company,            "program_company"
8972   },
8973   {
8974     TYPE_STRING,
8975     &setup.internal.program_icon_file,          "program_icon_file"
8976   },
8977   {
8978     TYPE_STRING,
8979     &setup.internal.default_graphics_set,       "default_graphics_set"
8980   },
8981   {
8982     TYPE_STRING,
8983     &setup.internal.default_sounds_set,         "default_sounds_set"
8984   },
8985   {
8986     TYPE_STRING,
8987     &setup.internal.default_music_set,          "default_music_set"
8988   },
8989   {
8990     TYPE_STRING,
8991     &setup.internal.fallback_graphics_file,     "fallback_graphics_file"
8992   },
8993   {
8994     TYPE_STRING,
8995     &setup.internal.fallback_sounds_file,       "fallback_sounds_file"
8996   },
8997   {
8998     TYPE_STRING,
8999     &setup.internal.fallback_music_file,        "fallback_music_file"
9000   },
9001   {
9002     TYPE_STRING,
9003     &setup.internal.default_level_series,       "default_level_series"
9004   },
9005   {
9006     TYPE_INTEGER,
9007     &setup.internal.default_window_width,       "default_window_width"
9008   },
9009   {
9010     TYPE_INTEGER,
9011     &setup.internal.default_window_height,      "default_window_height"
9012   },
9013   {
9014     TYPE_BOOLEAN,
9015     &setup.internal.choose_from_top_leveldir,   "choose_from_top_leveldir"
9016   },
9017   {
9018     TYPE_BOOLEAN,
9019     &setup.internal.show_scaling_in_title,      "show_scaling_in_title"
9020   },
9021   {
9022     TYPE_BOOLEAN,
9023     &setup.internal.create_user_levelset,       "create_user_levelset"
9024   },
9025   {
9026     TYPE_BOOLEAN,
9027     &setup.internal.menu_game,                  "menu_game"
9028   },
9029   {
9030     TYPE_BOOLEAN,
9031     &setup.internal.menu_editor,                "menu_editor"
9032   },
9033   {
9034     TYPE_BOOLEAN,
9035     &setup.internal.menu_graphics,              "menu_graphics"
9036   },
9037   {
9038     TYPE_BOOLEAN,
9039     &setup.internal.menu_sound,                 "menu_sound"
9040   },
9041   {
9042     TYPE_BOOLEAN,
9043     &setup.internal.menu_artwork,               "menu_artwork"
9044   },
9045   {
9046     TYPE_BOOLEAN,
9047     &setup.internal.menu_input,                 "menu_input"
9048   },
9049   {
9050     TYPE_BOOLEAN,
9051     &setup.internal.menu_touch,                 "menu_touch"
9052   },
9053   {
9054     TYPE_BOOLEAN,
9055     &setup.internal.menu_shortcuts,             "menu_shortcuts"
9056   },
9057   {
9058     TYPE_BOOLEAN,
9059     &setup.internal.menu_exit,                  "menu_exit"
9060   },
9061   {
9062     TYPE_BOOLEAN,
9063     &setup.internal.menu_save_and_exit,         "menu_save_and_exit"
9064   },
9065 };
9066
9067 static struct TokenInfo debug_setup_tokens[] =
9068 {
9069   {
9070     TYPE_INTEGER,
9071     &setup.debug.frame_delay[0],                "debug.frame_delay_0"
9072   },
9073   {
9074     TYPE_INTEGER,
9075     &setup.debug.frame_delay[1],                "debug.frame_delay_1"
9076   },
9077   {
9078     TYPE_INTEGER,
9079     &setup.debug.frame_delay[2],                "debug.frame_delay_2"
9080   },
9081   {
9082     TYPE_INTEGER,
9083     &setup.debug.frame_delay[3],                "debug.frame_delay_3"
9084   },
9085   {
9086     TYPE_INTEGER,
9087     &setup.debug.frame_delay[4],                "debug.frame_delay_4"
9088   },
9089   {
9090     TYPE_INTEGER,
9091     &setup.debug.frame_delay[5],                "debug.frame_delay_5"
9092   },
9093   {
9094     TYPE_INTEGER,
9095     &setup.debug.frame_delay[6],                "debug.frame_delay_6"
9096   },
9097   {
9098     TYPE_INTEGER,
9099     &setup.debug.frame_delay[7],                "debug.frame_delay_7"
9100   },
9101   {
9102     TYPE_INTEGER,
9103     &setup.debug.frame_delay[8],                "debug.frame_delay_8"
9104   },
9105   {
9106     TYPE_INTEGER,
9107     &setup.debug.frame_delay[9],                "debug.frame_delay_9"
9108   },
9109   {
9110     TYPE_KEY_X11,
9111     &setup.debug.frame_delay_key[0],            "debug.key.frame_delay_0"
9112   },
9113   {
9114     TYPE_KEY_X11,
9115     &setup.debug.frame_delay_key[1],            "debug.key.frame_delay_1"
9116   },
9117   {
9118     TYPE_KEY_X11,
9119     &setup.debug.frame_delay_key[2],            "debug.key.frame_delay_2"
9120   },
9121   {
9122     TYPE_KEY_X11,
9123     &setup.debug.frame_delay_key[3],            "debug.key.frame_delay_3"
9124   },
9125   {
9126     TYPE_KEY_X11,
9127     &setup.debug.frame_delay_key[4],            "debug.key.frame_delay_4"
9128   },
9129   {
9130     TYPE_KEY_X11,
9131     &setup.debug.frame_delay_key[5],            "debug.key.frame_delay_5"
9132   },
9133   {
9134     TYPE_KEY_X11,
9135     &setup.debug.frame_delay_key[6],            "debug.key.frame_delay_6"
9136   },
9137   {
9138     TYPE_KEY_X11,
9139     &setup.debug.frame_delay_key[7],            "debug.key.frame_delay_7"
9140   },
9141   {
9142     TYPE_KEY_X11,
9143     &setup.debug.frame_delay_key[8],            "debug.key.frame_delay_8"
9144   },
9145   {
9146     TYPE_KEY_X11,
9147     &setup.debug.frame_delay_key[9],            "debug.key.frame_delay_9"
9148   },
9149   {
9150     TYPE_BOOLEAN,
9151     &setup.debug.frame_delay_use_mod_key,       "debug.frame_delay.use_mod_key"},
9152   {
9153     TYPE_BOOLEAN,
9154     &setup.debug.frame_delay_game_only,         "debug.frame_delay.game_only"
9155   },
9156   {
9157     TYPE_BOOLEAN,
9158     &setup.debug.show_frames_per_second,        "debug.show_frames_per_second"
9159   },
9160   {
9161     TYPE_SWITCH3,
9162     &setup.debug.xsn_mode,                      "debug.xsn_mode"
9163   },
9164   {
9165     TYPE_INTEGER,
9166     &setup.debug.xsn_percent,                   "debug.xsn_percent"
9167   },
9168 };
9169
9170 static struct TokenInfo options_setup_tokens[] =
9171 {
9172   {
9173     TYPE_BOOLEAN,
9174     &setup.options.verbose,                     "options.verbose"
9175   },
9176 };
9177
9178 static void setSetupInfoToDefaults(struct SetupInfo *si)
9179 {
9180   char *player_name = (user.nr == 0 ? getLoginName() : EMPTY_PLAYER_NAME);
9181   int i;
9182
9183   si->player_name = getFixedUserName(player_name);
9184
9185   si->multiple_users = TRUE;
9186
9187   si->sound = TRUE;
9188   si->sound_loops = TRUE;
9189   si->sound_music = TRUE;
9190   si->sound_simple = TRUE;
9191   si->toons = TRUE;
9192   si->scroll_delay = TRUE;
9193   si->forced_scroll_delay = FALSE;
9194   si->scroll_delay_value = STD_SCROLL_DELAY;
9195   si->engine_snapshot_mode = getStringCopy(STR_SNAPSHOT_MODE_DEFAULT);
9196   si->engine_snapshot_memory = SNAPSHOT_MEMORY_DEFAULT;
9197   si->fade_screens = TRUE;
9198   si->autorecord = TRUE;
9199   si->show_titlescreen = TRUE;
9200   si->quick_doors = FALSE;
9201   si->team_mode = FALSE;
9202   si->handicap = TRUE;
9203   si->skip_levels = TRUE;
9204   si->increment_levels = TRUE;
9205   si->auto_play_next_level = TRUE;
9206   si->skip_scores_after_game = FALSE;
9207   si->time_limit = TRUE;
9208   si->fullscreen = FALSE;
9209   si->window_scaling_percent = STD_WINDOW_SCALING_PERCENT;
9210   si->window_scaling_quality = getStringCopy(SCALING_QUALITY_DEFAULT);
9211   si->screen_rendering_mode = getStringCopy(STR_SPECIAL_RENDERING_DEFAULT);
9212   si->vsync_mode = getStringCopy(STR_VSYNC_MODE_DEFAULT);
9213   si->ask_on_escape = TRUE;
9214   si->ask_on_escape_editor = TRUE;
9215   si->ask_on_game_over = TRUE;
9216   si->quick_switch = FALSE;
9217   si->input_on_focus = FALSE;
9218   si->prefer_aga_graphics = TRUE;
9219   si->prefer_lowpass_sounds = FALSE;
9220   si->game_speed_extended = FALSE;
9221   si->game_frame_delay = GAME_FRAME_DELAY;
9222   si->sp_show_border_elements = FALSE;
9223   si->small_game_graphics = FALSE;
9224   si->show_snapshot_buttons = FALSE;
9225
9226   si->graphics_set = getStringCopy(GFX_CLASSIC_SUBDIR);
9227   si->sounds_set   = getStringCopy(SND_CLASSIC_SUBDIR);
9228   si->music_set    = getStringCopy(MUS_CLASSIC_SUBDIR);
9229
9230   si->override_level_graphics = FALSE;
9231   si->override_level_sounds = FALSE;
9232   si->override_level_music = FALSE;
9233
9234   si->volume_simple = 100;              // percent
9235   si->volume_loops = 100;               // percent
9236   si->volume_music = 100;               // percent
9237
9238   si->network_mode = FALSE;
9239   si->network_player_nr = 0;            // first player
9240   si->network_server_hostname = getStringCopy(STR_NETWORK_AUTO_DETECT);
9241
9242   si->touch.control_type = getStringCopy(TOUCH_CONTROL_DEFAULT);
9243   si->touch.move_distance = TOUCH_MOVE_DISTANCE_DEFAULT;        // percent
9244   si->touch.drop_distance = TOUCH_DROP_DISTANCE_DEFAULT;        // percent
9245   si->touch.transparency = TOUCH_TRANSPARENCY_DEFAULT;          // percent
9246   si->touch.draw_outlined = TRUE;
9247   si->touch.draw_pressed = TRUE;
9248
9249   for (i = 0; i < 2; i++)
9250   {
9251     char *default_grid_button[6][2] =
9252     {
9253       { "      ", "  ^^  " },
9254       { "      ", "  ^^  " },
9255       { "      ", "<<  >>" },
9256       { "      ", "<<  >>" },
9257       { "111222", "  vv  " },
9258       { "111222", "  vv  " }
9259     };
9260     int grid_xsize = DEFAULT_GRID_XSIZE(i);
9261     int grid_ysize = DEFAULT_GRID_YSIZE(i);
9262     int min_xsize = MIN(6, grid_xsize);
9263     int min_ysize = MIN(6, grid_ysize);
9264     int startx = grid_xsize - min_xsize;
9265     int starty = grid_ysize - min_ysize;
9266     int x, y;
9267
9268     // virtual buttons grid can only be set to defaults if video is initialized
9269     // (this will be repeated if virtual buttons are not loaded from setup file)
9270     if (video.initialized)
9271     {
9272       si->touch.grid_xsize[i] = grid_xsize;
9273       si->touch.grid_ysize[i] = grid_ysize;
9274     }
9275     else
9276     {
9277       si->touch.grid_xsize[i] = -1;
9278       si->touch.grid_ysize[i] = -1;
9279     }
9280
9281     for (x = 0; x < MAX_GRID_XSIZE; x++)
9282       for (y = 0; y < MAX_GRID_YSIZE; y++)
9283         si->touch.grid_button[i][x][y] = CHAR_GRID_BUTTON_NONE;
9284
9285     for (x = 0; x < min_xsize; x++)
9286       for (y = 0; y < min_ysize; y++)
9287         si->touch.grid_button[i][x][starty + y] =
9288           default_grid_button[y][0][x];
9289
9290     for (x = 0; x < min_xsize; x++)
9291       for (y = 0; y < min_ysize; y++)
9292         si->touch.grid_button[i][startx + x][starty + y] =
9293           default_grid_button[y][1][x];
9294   }
9295
9296   si->touch.grid_initialized            = video.initialized;
9297
9298   si->editor.el_boulderdash             = TRUE;
9299   si->editor.el_emerald_mine            = TRUE;
9300   si->editor.el_emerald_mine_club       = TRUE;
9301   si->editor.el_more                    = TRUE;
9302   si->editor.el_sokoban                 = TRUE;
9303   si->editor.el_supaplex                = TRUE;
9304   si->editor.el_diamond_caves           = TRUE;
9305   si->editor.el_dx_boulderdash          = TRUE;
9306
9307   si->editor.el_mirror_magic            = TRUE;
9308   si->editor.el_deflektor               = TRUE;
9309
9310   si->editor.el_chars                   = TRUE;
9311   si->editor.el_steel_chars             = TRUE;
9312
9313   si->editor.el_classic                 = TRUE;
9314   si->editor.el_custom                  = TRUE;
9315
9316   si->editor.el_user_defined            = FALSE;
9317   si->editor.el_dynamic                 = TRUE;
9318
9319   si->editor.el_headlines               = TRUE;
9320
9321   si->editor.show_element_token         = FALSE;
9322
9323   si->editor.use_template_for_new_levels = TRUE;
9324
9325   si->shortcut.save_game        = DEFAULT_KEY_SAVE_GAME;
9326   si->shortcut.load_game        = DEFAULT_KEY_LOAD_GAME;
9327   si->shortcut.toggle_pause     = DEFAULT_KEY_TOGGLE_PAUSE;
9328
9329   si->shortcut.focus_player[0]  = DEFAULT_KEY_FOCUS_PLAYER_1;
9330   si->shortcut.focus_player[1]  = DEFAULT_KEY_FOCUS_PLAYER_2;
9331   si->shortcut.focus_player[2]  = DEFAULT_KEY_FOCUS_PLAYER_3;
9332   si->shortcut.focus_player[3]  = DEFAULT_KEY_FOCUS_PLAYER_4;
9333   si->shortcut.focus_player_all = DEFAULT_KEY_FOCUS_PLAYER_ALL;
9334
9335   si->shortcut.tape_eject       = DEFAULT_KEY_TAPE_EJECT;
9336   si->shortcut.tape_extra       = DEFAULT_KEY_TAPE_EXTRA;
9337   si->shortcut.tape_stop        = DEFAULT_KEY_TAPE_STOP;
9338   si->shortcut.tape_pause       = DEFAULT_KEY_TAPE_PAUSE;
9339   si->shortcut.tape_record      = DEFAULT_KEY_TAPE_RECORD;
9340   si->shortcut.tape_play        = DEFAULT_KEY_TAPE_PLAY;
9341
9342   si->shortcut.sound_simple     = DEFAULT_KEY_SOUND_SIMPLE;
9343   si->shortcut.sound_loops      = DEFAULT_KEY_SOUND_LOOPS;
9344   si->shortcut.sound_music      = DEFAULT_KEY_SOUND_MUSIC;
9345
9346   si->shortcut.snap_left        = DEFAULT_KEY_SNAP_LEFT;
9347   si->shortcut.snap_right       = DEFAULT_KEY_SNAP_RIGHT;
9348   si->shortcut.snap_up          = DEFAULT_KEY_SNAP_UP;
9349   si->shortcut.snap_down        = DEFAULT_KEY_SNAP_DOWN;
9350
9351   for (i = 0; i < MAX_PLAYERS; i++)
9352   {
9353     si->input[i].use_joystick = FALSE;
9354     si->input[i].joy.device_name=getStringCopy(getDeviceNameFromJoystickNr(i));
9355     si->input[i].joy.xleft   = JOYSTICK_XLEFT;
9356     si->input[i].joy.xmiddle = JOYSTICK_XMIDDLE;
9357     si->input[i].joy.xright  = JOYSTICK_XRIGHT;
9358     si->input[i].joy.yupper  = JOYSTICK_YUPPER;
9359     si->input[i].joy.ymiddle = JOYSTICK_YMIDDLE;
9360     si->input[i].joy.ylower  = JOYSTICK_YLOWER;
9361     si->input[i].joy.snap  = (i == 0 ? JOY_BUTTON_1 : 0);
9362     si->input[i].joy.drop  = (i == 0 ? JOY_BUTTON_2 : 0);
9363     si->input[i].key.left  = (i == 0 ? DEFAULT_KEY_LEFT  : KSYM_UNDEFINED);
9364     si->input[i].key.right = (i == 0 ? DEFAULT_KEY_RIGHT : KSYM_UNDEFINED);
9365     si->input[i].key.up    = (i == 0 ? DEFAULT_KEY_UP    : KSYM_UNDEFINED);
9366     si->input[i].key.down  = (i == 0 ? DEFAULT_KEY_DOWN  : KSYM_UNDEFINED);
9367     si->input[i].key.snap  = (i == 0 ? DEFAULT_KEY_SNAP  : KSYM_UNDEFINED);
9368     si->input[i].key.drop  = (i == 0 ? DEFAULT_KEY_DROP  : KSYM_UNDEFINED);
9369   }
9370
9371   si->system.sdl_renderdriver = getStringCopy(ARG_DEFAULT);
9372   si->system.sdl_videodriver = getStringCopy(ARG_DEFAULT);
9373   si->system.sdl_audiodriver = getStringCopy(ARG_DEFAULT);
9374   si->system.audio_fragment_size = DEFAULT_AUDIO_FRAGMENT_SIZE;
9375
9376   si->internal.program_title     = getStringCopy(PROGRAM_TITLE_STRING);
9377   si->internal.program_version   = getStringCopy(getProgramRealVersionString());
9378   si->internal.program_author    = getStringCopy(PROGRAM_AUTHOR_STRING);
9379   si->internal.program_email     = getStringCopy(PROGRAM_EMAIL_STRING);
9380   si->internal.program_website   = getStringCopy(PROGRAM_WEBSITE_STRING);
9381   si->internal.program_copyright = getStringCopy(PROGRAM_COPYRIGHT_STRING);
9382   si->internal.program_company   = getStringCopy(PROGRAM_COMPANY_STRING);
9383
9384   si->internal.program_icon_file = getStringCopy(PROGRAM_ICON_FILENAME);
9385
9386   si->internal.default_graphics_set = getStringCopy(GFX_CLASSIC_SUBDIR);
9387   si->internal.default_sounds_set   = getStringCopy(SND_CLASSIC_SUBDIR);
9388   si->internal.default_music_set    = getStringCopy(MUS_CLASSIC_SUBDIR);
9389
9390   si->internal.fallback_graphics_file = getStringCopy(UNDEFINED_FILENAME);
9391   si->internal.fallback_sounds_file   = getStringCopy(UNDEFINED_FILENAME);
9392   si->internal.fallback_music_file    = getStringCopy(UNDEFINED_FILENAME);
9393
9394   si->internal.default_level_series = getStringCopy(UNDEFINED_LEVELSET);
9395   si->internal.choose_from_top_leveldir = FALSE;
9396   si->internal.show_scaling_in_title = TRUE;
9397   si->internal.create_user_levelset = TRUE;
9398
9399   si->internal.default_window_width  = WIN_XSIZE_DEFAULT;
9400   si->internal.default_window_height = WIN_YSIZE_DEFAULT;
9401
9402   si->debug.frame_delay[0] = DEFAULT_FRAME_DELAY_0;
9403   si->debug.frame_delay[1] = DEFAULT_FRAME_DELAY_1;
9404   si->debug.frame_delay[2] = DEFAULT_FRAME_DELAY_2;
9405   si->debug.frame_delay[3] = DEFAULT_FRAME_DELAY_3;
9406   si->debug.frame_delay[4] = DEFAULT_FRAME_DELAY_4;
9407   si->debug.frame_delay[5] = DEFAULT_FRAME_DELAY_5;
9408   si->debug.frame_delay[6] = DEFAULT_FRAME_DELAY_6;
9409   si->debug.frame_delay[7] = DEFAULT_FRAME_DELAY_7;
9410   si->debug.frame_delay[8] = DEFAULT_FRAME_DELAY_8;
9411   si->debug.frame_delay[9] = DEFAULT_FRAME_DELAY_9;
9412
9413   si->debug.frame_delay_key[0] = DEFAULT_KEY_FRAME_DELAY_0;
9414   si->debug.frame_delay_key[1] = DEFAULT_KEY_FRAME_DELAY_1;
9415   si->debug.frame_delay_key[2] = DEFAULT_KEY_FRAME_DELAY_2;
9416   si->debug.frame_delay_key[3] = DEFAULT_KEY_FRAME_DELAY_3;
9417   si->debug.frame_delay_key[4] = DEFAULT_KEY_FRAME_DELAY_4;
9418   si->debug.frame_delay_key[5] = DEFAULT_KEY_FRAME_DELAY_5;
9419   si->debug.frame_delay_key[6] = DEFAULT_KEY_FRAME_DELAY_6;
9420   si->debug.frame_delay_key[7] = DEFAULT_KEY_FRAME_DELAY_7;
9421   si->debug.frame_delay_key[8] = DEFAULT_KEY_FRAME_DELAY_8;
9422   si->debug.frame_delay_key[9] = DEFAULT_KEY_FRAME_DELAY_9;
9423
9424   si->debug.frame_delay_use_mod_key = DEFAULT_FRAME_DELAY_USE_MOD_KEY;
9425   si->debug.frame_delay_game_only   = DEFAULT_FRAME_DELAY_GAME_ONLY;
9426
9427   si->debug.show_frames_per_second = FALSE;
9428
9429   si->debug.xsn_mode = AUTO;
9430   si->debug.xsn_percent = 0;
9431
9432   si->options.verbose = FALSE;
9433
9434 #if defined(PLATFORM_ANDROID)
9435   si->fullscreen = TRUE;
9436 #endif
9437
9438   setHideSetupEntry(&setup.debug.xsn_mode);
9439 }
9440
9441 static void setSetupInfoToDefaults_AutoSetup(struct SetupInfo *si)
9442 {
9443   si->auto_setup.editor_zoom_tilesize = MINI_TILESIZE;
9444 }
9445
9446 static void setSetupInfoToDefaults_EditorCascade(struct SetupInfo *si)
9447 {
9448   si->editor_cascade.el_bd              = TRUE;
9449   si->editor_cascade.el_em              = TRUE;
9450   si->editor_cascade.el_emc             = TRUE;
9451   si->editor_cascade.el_rnd             = TRUE;
9452   si->editor_cascade.el_sb              = TRUE;
9453   si->editor_cascade.el_sp              = TRUE;
9454   si->editor_cascade.el_dc              = TRUE;
9455   si->editor_cascade.el_dx              = TRUE;
9456
9457   si->editor_cascade.el_mm              = TRUE;
9458   si->editor_cascade.el_df              = TRUE;
9459
9460   si->editor_cascade.el_chars           = FALSE;
9461   si->editor_cascade.el_steel_chars     = FALSE;
9462   si->editor_cascade.el_ce              = FALSE;
9463   si->editor_cascade.el_ge              = FALSE;
9464   si->editor_cascade.el_ref             = FALSE;
9465   si->editor_cascade.el_user            = FALSE;
9466   si->editor_cascade.el_dynamic         = FALSE;
9467 }
9468
9469 #define MAX_HIDE_SETUP_TOKEN_SIZE               20
9470
9471 static char *getHideSetupToken(void *setup_value)
9472 {
9473   static char hide_setup_token[MAX_HIDE_SETUP_TOKEN_SIZE];
9474
9475   if (setup_value != NULL)
9476     snprintf(hide_setup_token, MAX_HIDE_SETUP_TOKEN_SIZE, "%p", setup_value);
9477
9478   return hide_setup_token;
9479 }
9480
9481 void setHideSetupEntry(void *setup_value)
9482 {
9483   char *hide_setup_token = getHideSetupToken(setup_value);
9484
9485   if (hide_setup_hash == NULL)
9486     hide_setup_hash = newSetupFileHash();
9487
9488   if (setup_value != NULL)
9489     setHashEntry(hide_setup_hash, hide_setup_token, "");
9490 }
9491
9492 void removeHideSetupEntry(void *setup_value)
9493 {
9494   char *hide_setup_token = getHideSetupToken(setup_value);
9495
9496   if (setup_value != NULL)
9497     removeHashEntry(hide_setup_hash, hide_setup_token);
9498 }
9499
9500 boolean hideSetupEntry(void *setup_value)
9501 {
9502   char *hide_setup_token = getHideSetupToken(setup_value);
9503
9504   return (setup_value != NULL &&
9505           getHashEntry(hide_setup_hash, hide_setup_token) != NULL);
9506 }
9507
9508 static void setSetupInfoFromTokenText(SetupFileHash *setup_file_hash,
9509                                       struct TokenInfo *token_info,
9510                                       int token_nr, char *token_text)
9511 {
9512   char *token_hide_text = getStringCat2(token_text, ".hide");
9513   char *token_hide_value = getHashEntry(setup_file_hash, token_hide_text);
9514
9515   // set the value of this setup option in the setup option structure
9516   setSetupInfo(token_info, token_nr, getHashEntry(setup_file_hash, token_text));
9517
9518   // check if this setup option should be hidden in the setup menu
9519   if (token_hide_value != NULL && get_boolean_from_string(token_hide_value))
9520     setHideSetupEntry(token_info[token_nr].value);
9521
9522   free(token_hide_text);
9523 }
9524
9525 static void setSetupInfoFromTokenInfo(SetupFileHash *setup_file_hash,
9526                                       struct TokenInfo *token_info,
9527                                       int token_nr)
9528 {
9529   setSetupInfoFromTokenText(setup_file_hash, token_info, token_nr,
9530                             token_info[token_nr].text);
9531 }
9532
9533 static void decodeSetupFileHash(SetupFileHash *setup_file_hash)
9534 {
9535   int i, pnr;
9536
9537   if (!setup_file_hash)
9538     return;
9539
9540   for (i = 0; i < ARRAY_SIZE(global_setup_tokens); i++)
9541     setSetupInfoFromTokenInfo(setup_file_hash, global_setup_tokens, i);
9542
9543   setup.touch.grid_initialized = TRUE;
9544   for (i = 0; i < 2; i++)
9545   {
9546     int grid_xsize = setup.touch.grid_xsize[i];
9547     int grid_ysize = setup.touch.grid_ysize[i];
9548     int x, y;
9549
9550     // if virtual buttons are not loaded from setup file, repeat initializing
9551     // virtual buttons grid with default values later when video is initialized
9552     if (grid_xsize == -1 ||
9553         grid_ysize == -1)
9554     {
9555       setup.touch.grid_initialized = FALSE;
9556
9557       continue;
9558     }
9559
9560     for (y = 0; y < grid_ysize; y++)
9561     {
9562       char token_string[MAX_LINE_LEN];
9563
9564       sprintf(token_string, "touch.virtual_buttons.%d.%02d", i, y);
9565
9566       char *value_string = getHashEntry(setup_file_hash, token_string);
9567
9568       if (value_string == NULL)
9569         continue;
9570
9571       for (x = 0; x < grid_xsize; x++)
9572       {
9573         char c = value_string[x];
9574
9575         setup.touch.grid_button[i][x][y] =
9576           (c == '.' ? CHAR_GRID_BUTTON_NONE : c);
9577       }
9578     }
9579   }
9580
9581   for (i = 0; i < ARRAY_SIZE(editor_setup_tokens); i++)
9582     setSetupInfoFromTokenInfo(setup_file_hash, editor_setup_tokens, i);
9583
9584   for (i = 0; i < ARRAY_SIZE(shortcut_setup_tokens); i++)
9585     setSetupInfoFromTokenInfo(setup_file_hash, shortcut_setup_tokens, i);
9586
9587   for (pnr = 0; pnr < MAX_PLAYERS; pnr++)
9588   {
9589     char prefix[30];
9590
9591     sprintf(prefix, "%s%d", TOKEN_STR_PLAYER_PREFIX, pnr + 1);
9592
9593     setup_input = setup.input[pnr];
9594     for (i = 0; i < ARRAY_SIZE(player_setup_tokens); i++)
9595     {
9596       char full_token[100];
9597
9598       sprintf(full_token, "%s%s", prefix, player_setup_tokens[i].text);
9599       setSetupInfoFromTokenText(setup_file_hash, player_setup_tokens, i,
9600                                 full_token);
9601     }
9602     setup.input[pnr] = setup_input;
9603   }
9604
9605   for (i = 0; i < ARRAY_SIZE(system_setup_tokens); i++)
9606     setSetupInfoFromTokenInfo(setup_file_hash, system_setup_tokens, i);
9607
9608   for (i = 0; i < ARRAY_SIZE(internal_setup_tokens); i++)
9609     setSetupInfoFromTokenInfo(setup_file_hash, internal_setup_tokens, i);
9610
9611   for (i = 0; i < ARRAY_SIZE(debug_setup_tokens); i++)
9612     setSetupInfoFromTokenInfo(setup_file_hash, debug_setup_tokens, i);
9613
9614   for (i = 0; i < ARRAY_SIZE(options_setup_tokens); i++)
9615     setSetupInfoFromTokenInfo(setup_file_hash, options_setup_tokens, i);
9616
9617   setHideRelatedSetupEntries();
9618 }
9619
9620 static void decodeSetupFileHash_AutoSetup(SetupFileHash *setup_file_hash)
9621 {
9622   int i;
9623
9624   if (!setup_file_hash)
9625     return;
9626
9627   for (i = 0; i < ARRAY_SIZE(auto_setup_tokens); i++)
9628     setSetupInfo(auto_setup_tokens, i,
9629                  getHashEntry(setup_file_hash,
9630                               auto_setup_tokens[i].text));
9631 }
9632
9633 static void decodeSetupFileHash_EditorCascade(SetupFileHash *setup_file_hash)
9634 {
9635   int i;
9636
9637   if (!setup_file_hash)
9638     return;
9639
9640   for (i = 0; i < ARRAY_SIZE(editor_cascade_setup_tokens); i++)
9641     setSetupInfo(editor_cascade_setup_tokens, i,
9642                  getHashEntry(setup_file_hash,
9643                               editor_cascade_setup_tokens[i].text));
9644 }
9645
9646 void LoadUserNames(void)
9647 {
9648   int last_user_nr = user.nr;
9649   int i;
9650
9651   if (global.user_names != NULL)
9652   {
9653     for (i = 0; i < MAX_PLAYER_NAMES; i++)
9654       checked_free(global.user_names[i]);
9655
9656     checked_free(global.user_names);
9657   }
9658
9659   global.user_names = checked_calloc(MAX_PLAYER_NAMES * sizeof(char *));
9660
9661   for (i = 0; i < MAX_PLAYER_NAMES; i++)
9662   {
9663     user.nr = i;
9664
9665     SetupFileHash *setup_file_hash = loadSetupFileHash(getSetupFilename());
9666
9667     if (setup_file_hash)
9668     {
9669       char *player_name = getHashEntry(setup_file_hash, "player_name");
9670
9671       global.user_names[i] = getFixedUserName(player_name);
9672
9673       freeSetupFileHash(setup_file_hash);
9674     }
9675
9676     if (global.user_names[i] == NULL)
9677       global.user_names[i] = getStringCopy(EMPTY_PLAYER_NAME);
9678   }
9679
9680   user.nr = last_user_nr;
9681 }
9682
9683 void LoadSetupFromFilename(char *filename)
9684 {
9685   SetupFileHash *setup_file_hash = loadSetupFileHash(filename);
9686
9687   if (setup_file_hash)
9688   {
9689     decodeSetupFileHash(setup_file_hash);
9690
9691     freeSetupFileHash(setup_file_hash);
9692   }
9693   else
9694   {
9695     Debug("setup", "using default setup values");
9696   }
9697 }
9698
9699 static void LoadSetup_SpecialPostProcessing(void)
9700 {
9701   char *player_name_new;
9702
9703   // needed to work around problems with fixed length strings
9704   player_name_new = getFixedUserName(setup.player_name);
9705   free(setup.player_name);
9706   setup.player_name = player_name_new;
9707
9708   // "scroll_delay: on(3) / off(0)" was replaced by scroll delay value
9709   if (setup.scroll_delay == FALSE)
9710   {
9711     setup.scroll_delay_value = MIN_SCROLL_DELAY;
9712     setup.scroll_delay = TRUE;                  // now always "on"
9713   }
9714
9715   // make sure that scroll delay value stays inside valid range
9716   setup.scroll_delay_value =
9717     MIN(MAX(MIN_SCROLL_DELAY, setup.scroll_delay_value), MAX_SCROLL_DELAY);
9718 }
9719
9720 void LoadSetup(void)
9721 {
9722   char *filename;
9723
9724   // always start with reliable default values
9725   setSetupInfoToDefaults(&setup);
9726
9727   // try to load setup values from default setup file
9728   filename = getDefaultSetupFilename();
9729
9730   if (fileExists(filename))
9731     LoadSetupFromFilename(filename);
9732
9733   // try to load setup values from user setup file
9734   filename = getSetupFilename();
9735
9736   LoadSetupFromFilename(filename);
9737
9738   LoadSetup_SpecialPostProcessing();
9739 }
9740
9741 void LoadSetup_AutoSetup(void)
9742 {
9743   char *filename = getPath2(getSetupDir(), AUTOSETUP_FILENAME);
9744   SetupFileHash *setup_file_hash = NULL;
9745
9746   // always start with reliable default values
9747   setSetupInfoToDefaults_AutoSetup(&setup);
9748
9749   setup_file_hash = loadSetupFileHash(filename);
9750
9751   if (setup_file_hash)
9752   {
9753     decodeSetupFileHash_AutoSetup(setup_file_hash);
9754
9755     freeSetupFileHash(setup_file_hash);
9756   }
9757
9758   free(filename);
9759 }
9760
9761 void LoadSetup_EditorCascade(void)
9762 {
9763   char *filename = getPath2(getSetupDir(), EDITORCASCADE_FILENAME);
9764   SetupFileHash *setup_file_hash = NULL;
9765
9766   // always start with reliable default values
9767   setSetupInfoToDefaults_EditorCascade(&setup);
9768
9769   setup_file_hash = loadSetupFileHash(filename);
9770
9771   if (setup_file_hash)
9772   {
9773     decodeSetupFileHash_EditorCascade(setup_file_hash);
9774
9775     freeSetupFileHash(setup_file_hash);
9776   }
9777
9778   free(filename);
9779 }
9780
9781 static void addGameControllerMappingToHash(SetupFileHash *mappings_hash,
9782                                            char *mapping_line)
9783 {
9784   char mapping_guid[MAX_LINE_LEN];
9785   char *mapping_start, *mapping_end;
9786
9787   // get GUID from game controller mapping line: copy complete line
9788   strncpy(mapping_guid, mapping_line, MAX_LINE_LEN - 1);
9789   mapping_guid[MAX_LINE_LEN - 1] = '\0';
9790
9791   // get GUID from game controller mapping line: cut after GUID part
9792   mapping_start = strchr(mapping_guid, ',');
9793   if (mapping_start != NULL)
9794     *mapping_start = '\0';
9795
9796   // cut newline from game controller mapping line
9797   mapping_end = strchr(mapping_line, '\n');
9798   if (mapping_end != NULL)
9799     *mapping_end = '\0';
9800
9801   // add mapping entry to game controller mappings hash
9802   setHashEntry(mappings_hash, mapping_guid, mapping_line);
9803 }
9804
9805 static void LoadSetup_ReadGameControllerMappings(SetupFileHash *mappings_hash,
9806                                                  char *filename)
9807 {
9808   FILE *file;
9809
9810   if (!(file = fopen(filename, MODE_READ)))
9811   {
9812     Warn("cannot read game controller mappings file '%s'", filename);
9813
9814     return;
9815   }
9816
9817   while (!feof(file))
9818   {
9819     char line[MAX_LINE_LEN];
9820
9821     if (!fgets(line, MAX_LINE_LEN, file))
9822       break;
9823
9824     addGameControllerMappingToHash(mappings_hash, line);
9825   }
9826
9827   fclose(file);
9828 }
9829
9830 void SaveSetup(void)
9831 {
9832   char *filename = getSetupFilename();
9833   FILE *file;
9834   int i, pnr;
9835
9836   InitUserDataDirectory();
9837
9838   if (!(file = fopen(filename, MODE_WRITE)))
9839   {
9840     Warn("cannot write setup file '%s'", filename);
9841
9842     return;
9843   }
9844
9845   fprintFileHeader(file, SETUP_FILENAME);
9846
9847   for (i = 0; i < ARRAY_SIZE(global_setup_tokens); i++)
9848   {
9849     // just to make things nicer :)
9850     if (global_setup_tokens[i].value == &setup.multiple_users           ||
9851         global_setup_tokens[i].value == &setup.sound                    ||
9852         global_setup_tokens[i].value == &setup.graphics_set             ||
9853         global_setup_tokens[i].value == &setup.volume_simple            ||
9854         global_setup_tokens[i].value == &setup.network_mode             ||
9855         global_setup_tokens[i].value == &setup.touch.control_type       ||
9856         global_setup_tokens[i].value == &setup.touch.grid_xsize[0]      ||
9857         global_setup_tokens[i].value == &setup.touch.grid_xsize[1])
9858       fprintf(file, "\n");
9859
9860     fprintf(file, "%s\n", getSetupLine(global_setup_tokens, "", i));
9861   }
9862
9863   for (i = 0; i < 2; i++)
9864   {
9865     int grid_xsize = setup.touch.grid_xsize[i];
9866     int grid_ysize = setup.touch.grid_ysize[i];
9867     int x, y;
9868
9869     fprintf(file, "\n");
9870
9871     for (y = 0; y < grid_ysize; y++)
9872     {
9873       char token_string[MAX_LINE_LEN];
9874       char value_string[MAX_LINE_LEN];
9875
9876       sprintf(token_string, "touch.virtual_buttons.%d.%02d", i, y);
9877
9878       for (x = 0; x < grid_xsize; x++)
9879       {
9880         char c = setup.touch.grid_button[i][x][y];
9881
9882         value_string[x] = (c == CHAR_GRID_BUTTON_NONE ? '.' : c);
9883       }
9884
9885       value_string[grid_xsize] = '\0';
9886
9887       fprintf(file, "%s\n", getFormattedSetupEntry(token_string, value_string));
9888     }
9889   }
9890
9891   fprintf(file, "\n");
9892   for (i = 0; i < ARRAY_SIZE(editor_setup_tokens); i++)
9893     fprintf(file, "%s\n", getSetupLine(editor_setup_tokens, "", i));
9894
9895   fprintf(file, "\n");
9896   for (i = 0; i < ARRAY_SIZE(shortcut_setup_tokens); i++)
9897     fprintf(file, "%s\n", getSetupLine(shortcut_setup_tokens, "", i));
9898
9899   for (pnr = 0; pnr < MAX_PLAYERS; pnr++)
9900   {
9901     char prefix[30];
9902
9903     sprintf(prefix, "%s%d", TOKEN_STR_PLAYER_PREFIX, pnr + 1);
9904     fprintf(file, "\n");
9905
9906     setup_input = setup.input[pnr];
9907     for (i = 0; i < ARRAY_SIZE(player_setup_tokens); i++)
9908       fprintf(file, "%s\n", getSetupLine(player_setup_tokens, prefix, i));
9909   }
9910
9911   fprintf(file, "\n");
9912   for (i = 0; i < ARRAY_SIZE(system_setup_tokens); i++)
9913     fprintf(file, "%s\n", getSetupLine(system_setup_tokens, "", i));
9914
9915   // (internal setup values not saved to user setup file)
9916
9917   fprintf(file, "\n");
9918   for (i = 0; i < ARRAY_SIZE(debug_setup_tokens); i++)
9919     if (!strPrefix(debug_setup_tokens[i].text, "debug.xsn_") ||
9920         setup.debug.xsn_mode != AUTO)
9921       fprintf(file, "%s\n", getSetupLine(debug_setup_tokens, "", i));
9922
9923   fprintf(file, "\n");
9924   for (i = 0; i < ARRAY_SIZE(options_setup_tokens); i++)
9925     fprintf(file, "%s\n", getSetupLine(options_setup_tokens, "", i));
9926
9927   fclose(file);
9928
9929   SetFilePermissions(filename, PERMS_PRIVATE);
9930 }
9931
9932 void SaveSetup_AutoSetup(void)
9933 {
9934   char *filename = getPath2(getSetupDir(), AUTOSETUP_FILENAME);
9935   FILE *file;
9936   int i;
9937
9938   InitUserDataDirectory();
9939
9940   if (!(file = fopen(filename, MODE_WRITE)))
9941   {
9942     Warn("cannot write auto setup file '%s'", filename);
9943
9944     free(filename);
9945
9946     return;
9947   }
9948
9949   fprintFileHeader(file, AUTOSETUP_FILENAME);
9950
9951   for (i = 0; i < ARRAY_SIZE(auto_setup_tokens); i++)
9952     fprintf(file, "%s\n", getSetupLine(auto_setup_tokens, "", i));
9953
9954   fclose(file);
9955
9956   SetFilePermissions(filename, PERMS_PRIVATE);
9957
9958   free(filename);
9959 }
9960
9961 void SaveSetup_EditorCascade(void)
9962 {
9963   char *filename = getPath2(getSetupDir(), EDITORCASCADE_FILENAME);
9964   FILE *file;
9965   int i;
9966
9967   InitUserDataDirectory();
9968
9969   if (!(file = fopen(filename, MODE_WRITE)))
9970   {
9971     Warn("cannot write editor cascade state file '%s'", filename);
9972
9973     free(filename);
9974
9975     return;
9976   }
9977
9978   fprintFileHeader(file, EDITORCASCADE_FILENAME);
9979
9980   for (i = 0; i < ARRAY_SIZE(editor_cascade_setup_tokens); i++)
9981     fprintf(file, "%s\n", getSetupLine(editor_cascade_setup_tokens, "", i));
9982
9983   fclose(file);
9984
9985   SetFilePermissions(filename, PERMS_PRIVATE);
9986
9987   free(filename);
9988 }
9989
9990 static void SaveSetup_WriteGameControllerMappings(SetupFileHash *mappings_hash,
9991                                                   char *filename)
9992 {
9993   FILE *file;
9994
9995   if (!(file = fopen(filename, MODE_WRITE)))
9996   {
9997     Warn("cannot write game controller mappings file '%s'", filename);
9998
9999     return;
10000   }
10001
10002   BEGIN_HASH_ITERATION(mappings_hash, itr)
10003   {
10004     fprintf(file, "%s\n", HASH_ITERATION_VALUE(itr));
10005   }
10006   END_HASH_ITERATION(mappings_hash, itr)
10007
10008   fclose(file);
10009 }
10010
10011 void SaveSetup_AddGameControllerMapping(char *mapping)
10012 {
10013   char *filename = getPath2(getSetupDir(), GAMECONTROLLER_BASENAME);
10014   SetupFileHash *mappings_hash = newSetupFileHash();
10015
10016   InitUserDataDirectory();
10017
10018   // load existing personal game controller mappings
10019   LoadSetup_ReadGameControllerMappings(mappings_hash, filename);
10020
10021   // add new mapping to personal game controller mappings
10022   addGameControllerMappingToHash(mappings_hash, mapping);
10023
10024   // save updated personal game controller mappings
10025   SaveSetup_WriteGameControllerMappings(mappings_hash, filename);
10026
10027   freeSetupFileHash(mappings_hash);
10028   free(filename);
10029 }
10030
10031 void LoadCustomElementDescriptions(void)
10032 {
10033   char *filename = getCustomArtworkConfigFilename(ARTWORK_TYPE_GRAPHICS);
10034   SetupFileHash *setup_file_hash;
10035   int i;
10036
10037   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
10038   {
10039     if (element_info[i].custom_description != NULL)
10040     {
10041       free(element_info[i].custom_description);
10042       element_info[i].custom_description = NULL;
10043     }
10044   }
10045
10046   if ((setup_file_hash = loadSetupFileHash(filename)) == NULL)
10047     return;
10048
10049   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
10050   {
10051     char *token = getStringCat2(element_info[i].token_name, ".name");
10052     char *value = getHashEntry(setup_file_hash, token);
10053
10054     if (value != NULL)
10055       element_info[i].custom_description = getStringCopy(value);
10056
10057     free(token);
10058   }
10059
10060   freeSetupFileHash(setup_file_hash);
10061 }
10062
10063 static int getElementFromToken(char *token)
10064 {
10065   char *value = getHashEntry(element_token_hash, token);
10066
10067   if (value != NULL)
10068     return atoi(value);
10069
10070   Warn("unknown element token '%s'", token);
10071
10072   return EL_UNDEFINED;
10073 }
10074
10075 void FreeGlobalAnimEventInfo(void)
10076 {
10077   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
10078
10079   if (gaei->event_list == NULL)
10080     return;
10081
10082   int i;
10083
10084   for (i = 0; i < gaei->num_event_lists; i++)
10085   {
10086     checked_free(gaei->event_list[i]->event_value);
10087     checked_free(gaei->event_list[i]);
10088   }
10089
10090   checked_free(gaei->event_list);
10091
10092   gaei->event_list = NULL;
10093   gaei->num_event_lists = 0;
10094 }
10095
10096 static int AddGlobalAnimEventList(void)
10097 {
10098   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
10099   int list_pos = gaei->num_event_lists++;
10100
10101   gaei->event_list = checked_realloc(gaei->event_list, gaei->num_event_lists *
10102                                      sizeof(struct GlobalAnimEventListInfo *));
10103
10104   gaei->event_list[list_pos] =
10105     checked_calloc(sizeof(struct GlobalAnimEventListInfo));
10106
10107   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
10108
10109   gaeli->event_value = NULL;
10110   gaeli->num_event_values = 0;
10111
10112   return list_pos;
10113 }
10114
10115 static int AddGlobalAnimEventValue(int list_pos, int event_value)
10116 {
10117   // do not add empty global animation events
10118   if (event_value == ANIM_EVENT_NONE)
10119     return list_pos;
10120
10121   // if list position is undefined, create new list
10122   if (list_pos == ANIM_EVENT_UNDEFINED)
10123     list_pos = AddGlobalAnimEventList();
10124
10125   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
10126   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
10127   int value_pos = gaeli->num_event_values++;
10128
10129   gaeli->event_value = checked_realloc(gaeli->event_value,
10130                                        gaeli->num_event_values * sizeof(int *));
10131
10132   gaeli->event_value[value_pos] = event_value;
10133
10134   return list_pos;
10135 }
10136
10137 int GetGlobalAnimEventValue(int list_pos, int value_pos)
10138 {
10139   if (list_pos == ANIM_EVENT_UNDEFINED)
10140     return ANIM_EVENT_NONE;
10141
10142   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
10143   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
10144
10145   return gaeli->event_value[value_pos];
10146 }
10147
10148 int GetGlobalAnimEventValueCount(int list_pos)
10149 {
10150   if (list_pos == ANIM_EVENT_UNDEFINED)
10151     return 0;
10152
10153   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
10154   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
10155
10156   return gaeli->num_event_values;
10157 }
10158
10159 // This function checks if a string <s> of the format "string1, string2, ..."
10160 // exactly contains a string <s_contained>.
10161
10162 static boolean string_has_parameter(char *s, char *s_contained)
10163 {
10164   char *substring;
10165
10166   if (s == NULL || s_contained == NULL)
10167     return FALSE;
10168
10169   if (strlen(s_contained) > strlen(s))
10170     return FALSE;
10171
10172   if (strncmp(s, s_contained, strlen(s_contained)) == 0)
10173   {
10174     char next_char = s[strlen(s_contained)];
10175
10176     // check if next character is delimiter or whitespace
10177     return (next_char == ',' || next_char == '\0' ||
10178             next_char == ' ' || next_char == '\t' ? TRUE : FALSE);
10179   }
10180
10181   // check if string contains another parameter string after a comma
10182   substring = strchr(s, ',');
10183   if (substring == NULL)        // string does not contain a comma
10184     return FALSE;
10185
10186   // advance string pointer to next character after the comma
10187   substring++;
10188
10189   // skip potential whitespaces after the comma
10190   while (*substring == ' ' || *substring == '\t')
10191     substring++;
10192
10193   return string_has_parameter(substring, s_contained);
10194 }
10195
10196 static int get_anim_parameter_value(char *s)
10197 {
10198   int event_value[] =
10199   {
10200     ANIM_EVENT_CLICK,
10201     ANIM_EVENT_INIT,
10202     ANIM_EVENT_START,
10203     ANIM_EVENT_END,
10204     ANIM_EVENT_POST
10205   };
10206   char *pattern_1[] =
10207   {
10208     "click:anim_",
10209     "init:anim_",
10210     "start:anim_",
10211     "end:anim_",
10212     "post:anim_"
10213   };
10214   char *pattern_2 = ".part_";
10215   char *matching_char = NULL;
10216   char *s_ptr = s;
10217   int pattern_1_len = 0;
10218   int result = ANIM_EVENT_NONE;
10219   int i;
10220
10221   for (i = 0; i < ARRAY_SIZE(event_value); i++)
10222   {
10223     matching_char = strstr(s_ptr, pattern_1[i]);
10224     pattern_1_len = strlen(pattern_1[i]);
10225     result = event_value[i];
10226
10227     if (matching_char != NULL)
10228       break;
10229   }
10230
10231   if (matching_char == NULL)
10232     return ANIM_EVENT_NONE;
10233
10234   s_ptr = matching_char + pattern_1_len;
10235
10236   // check for main animation number ("anim_X" or "anim_XX")
10237   if (*s_ptr >= '0' && *s_ptr <= '9')
10238   {
10239     int gic_anim_nr = (*s_ptr++ - '0');
10240
10241     if (*s_ptr >= '0' && *s_ptr <= '9')
10242       gic_anim_nr = 10 * gic_anim_nr + (*s_ptr++ - '0');
10243
10244     if (gic_anim_nr < 1 || gic_anim_nr > MAX_GLOBAL_ANIMS)
10245       return ANIM_EVENT_NONE;
10246
10247     result |= gic_anim_nr << ANIM_EVENT_ANIM_BIT;
10248   }
10249   else
10250   {
10251     // invalid main animation number specified
10252
10253     return ANIM_EVENT_NONE;
10254   }
10255
10256   // check for animation part number ("part_X" or "part_XX") (optional)
10257   if (strPrefix(s_ptr, pattern_2))
10258   {
10259     s_ptr += strlen(pattern_2);
10260
10261     if (*s_ptr >= '0' && *s_ptr <= '9')
10262     {
10263       int gic_part_nr = (*s_ptr++ - '0');
10264
10265       if (*s_ptr >= '0' && *s_ptr <= '9')
10266         gic_part_nr = 10 * gic_part_nr + (*s_ptr++ - '0');
10267
10268       if (gic_part_nr < 1 || gic_part_nr > MAX_GLOBAL_ANIM_PARTS)
10269         return ANIM_EVENT_NONE;
10270
10271       result |= gic_part_nr << ANIM_EVENT_PART_BIT;
10272     }
10273     else
10274     {
10275       // invalid animation part number specified
10276
10277       return ANIM_EVENT_NONE;
10278     }
10279   }
10280
10281   // discard result if next character is neither delimiter nor whitespace
10282   if (!(*s_ptr == ',' || *s_ptr == '\0' ||
10283         *s_ptr == ' ' || *s_ptr == '\t'))
10284     return ANIM_EVENT_NONE;
10285
10286   return result;
10287 }
10288
10289 static int get_anim_parameter_values(char *s)
10290 {
10291   int list_pos = ANIM_EVENT_UNDEFINED;
10292   int event_value = ANIM_EVENT_DEFAULT;
10293
10294   if (string_has_parameter(s, "any"))
10295     event_value |= ANIM_EVENT_ANY;
10296
10297   if (string_has_parameter(s, "click:self") ||
10298       string_has_parameter(s, "click") ||
10299       string_has_parameter(s, "self"))
10300     event_value |= ANIM_EVENT_SELF;
10301
10302   if (string_has_parameter(s, "unclick:any"))
10303     event_value |= ANIM_EVENT_UNCLICK_ANY;
10304
10305   // if animation event found, add it to global animation event list
10306   if (event_value != ANIM_EVENT_NONE)
10307     list_pos = AddGlobalAnimEventValue(list_pos, event_value);
10308
10309   while (s != NULL)
10310   {
10311     // add optional "click:anim_X" or "click:anim_X.part_X" parameter
10312     event_value = get_anim_parameter_value(s);
10313
10314     // if animation event found, add it to global animation event list
10315     if (event_value != ANIM_EVENT_NONE)
10316       list_pos = AddGlobalAnimEventValue(list_pos, event_value);
10317
10318     // continue with next part of the string, starting with next comma
10319     s = strchr(s + 1, ',');
10320   }
10321
10322   return list_pos;
10323 }
10324
10325 static int get_anim_action_parameter_value(char *token)
10326 {
10327   // check most common default case first to massively speed things up
10328   if (strEqual(token, ARG_UNDEFINED))
10329     return ANIM_EVENT_ACTION_NONE;
10330
10331   int result = getImageIDFromToken(token);
10332
10333   if (result == -1)
10334   {
10335     char *gfx_token = getStringCat2("gfx.", token);
10336
10337     result = getImageIDFromToken(gfx_token);
10338
10339     checked_free(gfx_token);
10340   }
10341
10342   if (result == -1)
10343   {
10344     Key key = getKeyFromX11KeyName(token);
10345
10346     if (key != KSYM_UNDEFINED)
10347       result = -(int)key;
10348   }
10349
10350   if (result == -1)
10351     result = ANIM_EVENT_ACTION_NONE;
10352
10353   return result;
10354 }
10355
10356 int get_parameter_value(char *value_raw, char *suffix, int type)
10357 {
10358   char *value = getStringToLower(value_raw);
10359   int result = 0;       // probably a save default value
10360
10361   if (strEqual(suffix, ".direction"))
10362   {
10363     result = (strEqual(value, "left")  ? MV_LEFT :
10364               strEqual(value, "right") ? MV_RIGHT :
10365               strEqual(value, "up")    ? MV_UP :
10366               strEqual(value, "down")  ? MV_DOWN : MV_NONE);
10367   }
10368   else if (strEqual(suffix, ".position"))
10369   {
10370     result = (strEqual(value, "left")   ? POS_LEFT :
10371               strEqual(value, "right")  ? POS_RIGHT :
10372               strEqual(value, "top")    ? POS_TOP :
10373               strEqual(value, "upper")  ? POS_UPPER :
10374               strEqual(value, "middle") ? POS_MIDDLE :
10375               strEqual(value, "lower")  ? POS_LOWER :
10376               strEqual(value, "bottom") ? POS_BOTTOM :
10377               strEqual(value, "any")    ? POS_ANY :
10378               strEqual(value, "last")   ? POS_LAST : POS_UNDEFINED);
10379   }
10380   else if (strEqual(suffix, ".align"))
10381   {
10382     result = (strEqual(value, "left")   ? ALIGN_LEFT :
10383               strEqual(value, "right")  ? ALIGN_RIGHT :
10384               strEqual(value, "center") ? ALIGN_CENTER :
10385               strEqual(value, "middle") ? ALIGN_CENTER : ALIGN_DEFAULT);
10386   }
10387   else if (strEqual(suffix, ".valign"))
10388   {
10389     result = (strEqual(value, "top")    ? VALIGN_TOP :
10390               strEqual(value, "bottom") ? VALIGN_BOTTOM :
10391               strEqual(value, "middle") ? VALIGN_MIDDLE :
10392               strEqual(value, "center") ? VALIGN_MIDDLE : VALIGN_DEFAULT);
10393   }
10394   else if (strEqual(suffix, ".anim_mode"))
10395   {
10396     result = (string_has_parameter(value, "none")       ? ANIM_NONE :
10397               string_has_parameter(value, "loop")       ? ANIM_LOOP :
10398               string_has_parameter(value, "linear")     ? ANIM_LINEAR :
10399               string_has_parameter(value, "pingpong")   ? ANIM_PINGPONG :
10400               string_has_parameter(value, "pingpong2")  ? ANIM_PINGPONG2 :
10401               string_has_parameter(value, "random")     ? ANIM_RANDOM :
10402               string_has_parameter(value, "ce_value")   ? ANIM_CE_VALUE :
10403               string_has_parameter(value, "ce_score")   ? ANIM_CE_SCORE :
10404               string_has_parameter(value, "ce_delay")   ? ANIM_CE_DELAY :
10405               string_has_parameter(value, "horizontal") ? ANIM_HORIZONTAL :
10406               string_has_parameter(value, "vertical")   ? ANIM_VERTICAL :
10407               string_has_parameter(value, "centered")   ? ANIM_CENTERED :
10408               string_has_parameter(value, "all")        ? ANIM_ALL :
10409               ANIM_DEFAULT);
10410
10411     if (string_has_parameter(value, "once"))
10412       result |= ANIM_ONCE;
10413
10414     if (string_has_parameter(value, "reverse"))
10415       result |= ANIM_REVERSE;
10416
10417     if (string_has_parameter(value, "opaque_player"))
10418       result |= ANIM_OPAQUE_PLAYER;
10419
10420     if (string_has_parameter(value, "static_panel"))
10421       result |= ANIM_STATIC_PANEL;
10422   }
10423   else if (strEqual(suffix, ".init_event") ||
10424            strEqual(suffix, ".anim_event"))
10425   {
10426     result = get_anim_parameter_values(value);
10427   }
10428   else if (strEqual(suffix, ".init_delay_action") ||
10429            strEqual(suffix, ".anim_delay_action") ||
10430            strEqual(suffix, ".post_delay_action") ||
10431            strEqual(suffix, ".init_event_action") ||
10432            strEqual(suffix, ".anim_event_action"))
10433   {
10434     result = get_anim_action_parameter_value(value_raw);
10435   }
10436   else if (strEqual(suffix, ".class"))
10437   {
10438     result = (strEqual(value, ARG_UNDEFINED) ? ARG_UNDEFINED_VALUE :
10439               get_hash_from_key(value));
10440   }
10441   else if (strEqual(suffix, ".style"))
10442   {
10443     result = STYLE_DEFAULT;
10444
10445     if (string_has_parameter(value, "accurate_borders"))
10446       result |= STYLE_ACCURATE_BORDERS;
10447
10448     if (string_has_parameter(value, "inner_corners"))
10449       result |= STYLE_INNER_CORNERS;
10450
10451     if (string_has_parameter(value, "reverse"))
10452       result |= STYLE_REVERSE;
10453
10454     if (string_has_parameter(value, "block_clicks"))
10455       result |= STYLE_BLOCK;
10456
10457     if (string_has_parameter(value, "passthrough_clicks"))
10458       result |= STYLE_PASSTHROUGH;
10459
10460     if (string_has_parameter(value, "multiple_actions"))
10461       result |= STYLE_MULTIPLE_ACTIONS;
10462   }
10463   else if (strEqual(suffix, ".fade_mode"))
10464   {
10465     result = (string_has_parameter(value, "none")       ? FADE_MODE_NONE :
10466               string_has_parameter(value, "fade")       ? FADE_MODE_FADE :
10467               string_has_parameter(value, "crossfade")  ? FADE_MODE_CROSSFADE :
10468               string_has_parameter(value, "melt")       ? FADE_MODE_MELT :
10469               string_has_parameter(value, "curtain")    ? FADE_MODE_CURTAIN :
10470               FADE_MODE_DEFAULT);
10471   }
10472   else if (strEqual(suffix, ".auto_delay_unit"))
10473   {
10474     result = (string_has_parameter(value, "ms")     ? AUTO_DELAY_UNIT_MS :
10475               string_has_parameter(value, "frames") ? AUTO_DELAY_UNIT_FRAMES :
10476               AUTO_DELAY_UNIT_DEFAULT);
10477   }
10478   else if (strPrefix(suffix, ".font"))          // (may also be ".font_xyz")
10479   {
10480     result = gfx.get_font_from_token_function(value);
10481   }
10482   else          // generic parameter of type integer or boolean
10483   {
10484     result = (strEqual(value, ARG_UNDEFINED) ? ARG_UNDEFINED_VALUE :
10485               type == TYPE_INTEGER ? get_integer_from_string(value) :
10486               type == TYPE_BOOLEAN ? get_boolean_from_string(value) :
10487               ARG_UNDEFINED_VALUE);
10488   }
10489
10490   free(value);
10491
10492   return result;
10493 }
10494
10495 static int get_token_parameter_value(char *token, char *value_raw)
10496 {
10497   char *suffix;
10498
10499   if (token == NULL || value_raw == NULL)
10500     return ARG_UNDEFINED_VALUE;
10501
10502   suffix = strrchr(token, '.');
10503   if (suffix == NULL)
10504     suffix = token;
10505
10506   if (strEqual(suffix, ".element"))
10507     return getElementFromToken(value_raw);
10508
10509   // !!! USE CORRECT VALUE TYPE (currently works also for TYPE_BOOLEAN) !!!
10510   return get_parameter_value(value_raw, suffix, TYPE_INTEGER);
10511 }
10512
10513 void InitMenuDesignSettings_Static(void)
10514 {
10515   int i;
10516
10517   // always start with reliable default values from static default config
10518   for (i = 0; image_config_vars[i].token != NULL; i++)
10519   {
10520     char *value = getHashEntry(image_config_hash, image_config_vars[i].token);
10521
10522     if (value != NULL)
10523       *image_config_vars[i].value =
10524         get_token_parameter_value(image_config_vars[i].token, value);
10525   }
10526 }
10527
10528 static void InitMenuDesignSettings_SpecialPreProcessing(void)
10529 {
10530   int i;
10531
10532   // the following initializes hierarchical values from static configuration
10533
10534   // special case: initialize "ARG_DEFAULT" values in static default config
10535   // (e.g., initialize "[titlemessage].fade_mode" from "[title].fade_mode")
10536   titlescreen_initial_first_default.fade_mode  =
10537     title_initial_first_default.fade_mode;
10538   titlescreen_initial_first_default.fade_delay =
10539     title_initial_first_default.fade_delay;
10540   titlescreen_initial_first_default.post_delay =
10541     title_initial_first_default.post_delay;
10542   titlescreen_initial_first_default.auto_delay =
10543     title_initial_first_default.auto_delay;
10544   titlescreen_initial_first_default.auto_delay_unit =
10545     title_initial_first_default.auto_delay_unit;
10546   titlescreen_first_default.fade_mode  = title_first_default.fade_mode;
10547   titlescreen_first_default.fade_delay = title_first_default.fade_delay;
10548   titlescreen_first_default.post_delay = title_first_default.post_delay;
10549   titlescreen_first_default.auto_delay = title_first_default.auto_delay;
10550   titlescreen_first_default.auto_delay_unit =
10551     title_first_default.auto_delay_unit;
10552   titlemessage_initial_first_default.fade_mode  =
10553     title_initial_first_default.fade_mode;
10554   titlemessage_initial_first_default.fade_delay =
10555     title_initial_first_default.fade_delay;
10556   titlemessage_initial_first_default.post_delay =
10557     title_initial_first_default.post_delay;
10558   titlemessage_initial_first_default.auto_delay =
10559     title_initial_first_default.auto_delay;
10560   titlemessage_initial_first_default.auto_delay_unit =
10561     title_initial_first_default.auto_delay_unit;
10562   titlemessage_first_default.fade_mode  = title_first_default.fade_mode;
10563   titlemessage_first_default.fade_delay = title_first_default.fade_delay;
10564   titlemessage_first_default.post_delay = title_first_default.post_delay;
10565   titlemessage_first_default.auto_delay = title_first_default.auto_delay;
10566   titlemessage_first_default.auto_delay_unit =
10567     title_first_default.auto_delay_unit;
10568
10569   titlescreen_initial_default.fade_mode  = title_initial_default.fade_mode;
10570   titlescreen_initial_default.fade_delay = title_initial_default.fade_delay;
10571   titlescreen_initial_default.post_delay = title_initial_default.post_delay;
10572   titlescreen_initial_default.auto_delay = title_initial_default.auto_delay;
10573   titlescreen_initial_default.auto_delay_unit =
10574     title_initial_default.auto_delay_unit;
10575   titlescreen_default.fade_mode  = title_default.fade_mode;
10576   titlescreen_default.fade_delay = title_default.fade_delay;
10577   titlescreen_default.post_delay = title_default.post_delay;
10578   titlescreen_default.auto_delay = title_default.auto_delay;
10579   titlescreen_default.auto_delay_unit = title_default.auto_delay_unit;
10580   titlemessage_initial_default.fade_mode  = title_initial_default.fade_mode;
10581   titlemessage_initial_default.fade_delay = title_initial_default.fade_delay;
10582   titlemessage_initial_default.post_delay = title_initial_default.post_delay;
10583   titlemessage_initial_default.auto_delay_unit =
10584     title_initial_default.auto_delay_unit;
10585   titlemessage_default.fade_mode  = title_default.fade_mode;
10586   titlemessage_default.fade_delay = title_default.fade_delay;
10587   titlemessage_default.post_delay = title_default.post_delay;
10588   titlemessage_default.auto_delay = title_default.auto_delay;
10589   titlemessage_default.auto_delay_unit = title_default.auto_delay_unit;
10590
10591   // special case: initialize "ARG_DEFAULT" values in static default config
10592   // (e.g., init "titlemessage_1.fade_mode" from "[titlemessage].fade_mode")
10593   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
10594   {
10595     titlescreen_initial_first[i] = titlescreen_initial_first_default;
10596     titlescreen_first[i] = titlescreen_first_default;
10597     titlemessage_initial_first[i] = titlemessage_initial_first_default;
10598     titlemessage_first[i] = titlemessage_first_default;
10599
10600     titlescreen_initial[i] = titlescreen_initial_default;
10601     titlescreen[i] = titlescreen_default;
10602     titlemessage_initial[i] = titlemessage_initial_default;
10603     titlemessage[i] = titlemessage_default;
10604   }
10605
10606   // special case: initialize "ARG_DEFAULT" values in static default config
10607   // (eg, init "menu.enter_screen.SCORES.xyz" from "menu.enter_screen.xyz")
10608   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
10609   {
10610     if (i == GFX_SPECIAL_ARG_TITLE)     // title values already initialized
10611       continue;
10612
10613     menu.enter_screen[i] = menu.enter_screen[GFX_SPECIAL_ARG_DEFAULT];
10614     menu.leave_screen[i] = menu.leave_screen[GFX_SPECIAL_ARG_DEFAULT];
10615     menu.next_screen[i]  = menu.next_screen[GFX_SPECIAL_ARG_DEFAULT];
10616   }
10617
10618   // special case: initialize "ARG_DEFAULT" values in static default config
10619   // (eg, init "viewport.door_1.MAIN.xyz" from "viewport.door_1.xyz")
10620   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
10621   {
10622     viewport.window[i]    = viewport.window[GFX_SPECIAL_ARG_DEFAULT];
10623     viewport.playfield[i] = viewport.playfield[GFX_SPECIAL_ARG_DEFAULT];
10624     viewport.door_1[i]    = viewport.door_1[GFX_SPECIAL_ARG_DEFAULT];
10625
10626     if (i == GFX_SPECIAL_ARG_EDITOR)    // editor values already initialized
10627       continue;
10628
10629     viewport.door_2[i] = viewport.door_2[GFX_SPECIAL_ARG_DEFAULT];
10630   }
10631 }
10632
10633 static void InitMenuDesignSettings_SpecialPostProcessing(void)
10634 {
10635   static struct
10636   {
10637     struct XY *dst, *src;
10638   }
10639   game_buttons_xy[] =
10640   {
10641     { &game.button.save,        &game.button.stop       },
10642     { &game.button.pause2,      &game.button.pause      },
10643     { &game.button.load,        &game.button.play       },
10644     { &game.button.undo,        &game.button.stop       },
10645     { &game.button.redo,        &game.button.play       },
10646
10647     { NULL,                     NULL                    }
10648   };
10649   int i, j;
10650
10651   // special case: initialize later added SETUP list size from LEVELS value
10652   if (menu.list_size[GAME_MODE_SETUP] == -1)
10653     menu.list_size[GAME_MODE_SETUP] = menu.list_size[GAME_MODE_LEVELS];
10654
10655   // set default position for snapshot buttons to stop/pause/play buttons
10656   for (i = 0; game_buttons_xy[i].dst != NULL; i++)
10657     if ((*game_buttons_xy[i].dst).x == -1 &&
10658         (*game_buttons_xy[i].dst).y == -1)
10659       *game_buttons_xy[i].dst = *game_buttons_xy[i].src;
10660
10661   // --------------------------------------------------------------------------
10662   // dynamic viewports (including playfield margins, borders and alignments)
10663   // --------------------------------------------------------------------------
10664
10665   // dynamic viewports currently only supported for landscape mode
10666   int display_width  = MAX(video.display_width, video.display_height);
10667   int display_height = MIN(video.display_width, video.display_height);
10668
10669   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
10670   {
10671     struct RectWithBorder *vp_window    = &viewport.window[i];
10672     struct RectWithBorder *vp_playfield = &viewport.playfield[i];
10673     struct RectWithBorder *vp_door_1    = &viewport.door_1[i];
10674     struct RectWithBorder *vp_door_2    = &viewport.door_2[i];
10675     boolean dynamic_window_width     = (vp_window->min_width     != -1);
10676     boolean dynamic_window_height    = (vp_window->min_height    != -1);
10677     boolean dynamic_playfield_width  = (vp_playfield->min_width  != -1);
10678     boolean dynamic_playfield_height = (vp_playfield->min_height != -1);
10679
10680     // adjust window size if min/max width/height is specified
10681
10682     if (vp_window->min_width != -1)
10683     {
10684       int window_width = display_width;
10685
10686       // when using static window height, use aspect ratio of display
10687       if (vp_window->min_height == -1)
10688         window_width = vp_window->height * display_width / display_height;
10689
10690       vp_window->width = MAX(vp_window->min_width, window_width);
10691     }
10692
10693     if (vp_window->min_height != -1)
10694     {
10695       int window_height = display_height;
10696
10697       // when using static window width, use aspect ratio of display
10698       if (vp_window->min_width == -1)
10699         window_height = vp_window->width * display_height / display_width;
10700
10701       vp_window->height = MAX(vp_window->min_height, window_height);
10702     }
10703
10704     if (vp_window->max_width != -1)
10705       vp_window->width = MIN(vp_window->width, vp_window->max_width);
10706
10707     if (vp_window->max_height != -1)
10708       vp_window->height = MIN(vp_window->height, vp_window->max_height);
10709
10710     int playfield_width  = vp_window->width;
10711     int playfield_height = vp_window->height;
10712
10713     // adjust playfield size and position according to specified margins
10714
10715     playfield_width  -= vp_playfield->margin_left;
10716     playfield_width  -= vp_playfield->margin_right;
10717
10718     playfield_height -= vp_playfield->margin_top;
10719     playfield_height -= vp_playfield->margin_bottom;
10720
10721     // adjust playfield size if min/max width/height is specified
10722
10723     if (vp_playfield->min_width != -1)
10724       vp_playfield->width = MAX(vp_playfield->min_width, playfield_width);
10725
10726     if (vp_playfield->min_height != -1)
10727       vp_playfield->height = MAX(vp_playfield->min_height, playfield_height);
10728
10729     if (vp_playfield->max_width != -1)
10730       vp_playfield->width = MIN(vp_playfield->width, vp_playfield->max_width);
10731
10732     if (vp_playfield->max_height != -1)
10733       vp_playfield->height = MIN(vp_playfield->height,vp_playfield->max_height);
10734
10735     // adjust playfield position according to specified alignment
10736
10737     if (vp_playfield->align == ALIGN_LEFT || vp_playfield->x > 0)
10738       vp_playfield->x = ALIGNED_VP_XPOS(vp_playfield);
10739     else if (vp_playfield->align == ALIGN_CENTER)
10740       vp_playfield->x = playfield_width / 2 - vp_playfield->width / 2;
10741     else if (vp_playfield->align == ALIGN_RIGHT)
10742       vp_playfield->x += playfield_width - vp_playfield->width;
10743
10744     if (vp_playfield->valign == VALIGN_TOP || vp_playfield->y > 0)
10745       vp_playfield->y = ALIGNED_VP_YPOS(vp_playfield);
10746     else if (vp_playfield->valign == VALIGN_MIDDLE)
10747       vp_playfield->y = playfield_height / 2 - vp_playfield->height / 2;
10748     else if (vp_playfield->valign == VALIGN_BOTTOM)
10749       vp_playfield->y += playfield_height - vp_playfield->height;
10750
10751     vp_playfield->x += vp_playfield->margin_left;
10752     vp_playfield->y += vp_playfield->margin_top;
10753
10754     // adjust individual playfield borders if only default border is specified
10755
10756     if (vp_playfield->border_left == -1)
10757       vp_playfield->border_left = vp_playfield->border_size;
10758     if (vp_playfield->border_right == -1)
10759       vp_playfield->border_right = vp_playfield->border_size;
10760     if (vp_playfield->border_top == -1)
10761       vp_playfield->border_top = vp_playfield->border_size;
10762     if (vp_playfield->border_bottom == -1)
10763       vp_playfield->border_bottom = vp_playfield->border_size;
10764
10765     // set dynamic playfield borders if borders are specified as undefined
10766     // (but only if window size was dynamic and playfield size was static)
10767
10768     if (dynamic_window_width && !dynamic_playfield_width)
10769     {
10770       if (vp_playfield->border_left == -1)
10771       {
10772         vp_playfield->border_left = (vp_playfield->x -
10773                                      vp_playfield->margin_left);
10774         vp_playfield->x     -= vp_playfield->border_left;
10775         vp_playfield->width += vp_playfield->border_left;
10776       }
10777
10778       if (vp_playfield->border_right == -1)
10779       {
10780         vp_playfield->border_right = (vp_window->width -
10781                                       vp_playfield->x -
10782                                       vp_playfield->width -
10783                                       vp_playfield->margin_right);
10784         vp_playfield->width += vp_playfield->border_right;
10785       }
10786     }
10787
10788     if (dynamic_window_height && !dynamic_playfield_height)
10789     {
10790       if (vp_playfield->border_top == -1)
10791       {
10792         vp_playfield->border_top = (vp_playfield->y -
10793                                     vp_playfield->margin_top);
10794         vp_playfield->y      -= vp_playfield->border_top;
10795         vp_playfield->height += vp_playfield->border_top;
10796       }
10797
10798       if (vp_playfield->border_bottom == -1)
10799       {
10800         vp_playfield->border_bottom = (vp_window->height -
10801                                        vp_playfield->y -
10802                                        vp_playfield->height -
10803                                        vp_playfield->margin_bottom);
10804         vp_playfield->height += vp_playfield->border_bottom;
10805       }
10806     }
10807
10808     // adjust playfield size to be a multiple of a defined alignment tile size
10809
10810     int align_size = vp_playfield->align_size;
10811     int playfield_xtiles = vp_playfield->width  / align_size;
10812     int playfield_ytiles = vp_playfield->height / align_size;
10813     int playfield_width_corrected  = playfield_xtiles * align_size;
10814     int playfield_height_corrected = playfield_ytiles * align_size;
10815     boolean is_playfield_mode = (i == GFX_SPECIAL_ARG_PLAYING ||
10816                                  i == GFX_SPECIAL_ARG_EDITOR);
10817
10818     if (is_playfield_mode &&
10819         dynamic_playfield_width &&
10820         vp_playfield->width != playfield_width_corrected)
10821     {
10822       int playfield_xdiff = vp_playfield->width - playfield_width_corrected;
10823
10824       vp_playfield->width = playfield_width_corrected;
10825
10826       if (vp_playfield->align == ALIGN_LEFT)
10827       {
10828         vp_playfield->border_left += playfield_xdiff;
10829       }
10830       else if (vp_playfield->align == ALIGN_RIGHT)
10831       {
10832         vp_playfield->border_right += playfield_xdiff;
10833       }
10834       else if (vp_playfield->align == ALIGN_CENTER)
10835       {
10836         int border_left_diff  = playfield_xdiff / 2;
10837         int border_right_diff = playfield_xdiff - border_left_diff;
10838
10839         vp_playfield->border_left  += border_left_diff;
10840         vp_playfield->border_right += border_right_diff;
10841       }
10842     }
10843
10844     if (is_playfield_mode &&
10845         dynamic_playfield_height &&
10846         vp_playfield->height != playfield_height_corrected)
10847     {
10848       int playfield_ydiff = vp_playfield->height - playfield_height_corrected;
10849
10850       vp_playfield->height = playfield_height_corrected;
10851
10852       if (vp_playfield->valign == VALIGN_TOP)
10853       {
10854         vp_playfield->border_top += playfield_ydiff;
10855       }
10856       else if (vp_playfield->align == VALIGN_BOTTOM)
10857       {
10858         vp_playfield->border_right += playfield_ydiff;
10859       }
10860       else if (vp_playfield->align == VALIGN_MIDDLE)
10861       {
10862         int border_top_diff    = playfield_ydiff / 2;
10863         int border_bottom_diff = playfield_ydiff - border_top_diff;
10864
10865         vp_playfield->border_top    += border_top_diff;
10866         vp_playfield->border_bottom += border_bottom_diff;
10867       }
10868     }
10869
10870     // adjust door positions according to specified alignment
10871
10872     for (j = 0; j < 2; j++)
10873     {
10874       struct RectWithBorder *vp_door = (j == 0 ? vp_door_1 : vp_door_2);
10875
10876       if (vp_door->align == ALIGN_LEFT || vp_door->x > 0)
10877         vp_door->x = ALIGNED_VP_XPOS(vp_door);
10878       else if (vp_door->align == ALIGN_CENTER)
10879         vp_door->x = vp_window->width / 2 - vp_door->width / 2;
10880       else if (vp_door->align == ALIGN_RIGHT)
10881         vp_door->x += vp_window->width - vp_door->width;
10882
10883       if (vp_door->valign == VALIGN_TOP || vp_door->y > 0)
10884         vp_door->y = ALIGNED_VP_YPOS(vp_door);
10885       else if (vp_door->valign == VALIGN_MIDDLE)
10886         vp_door->y = vp_window->height / 2 - vp_door->height / 2;
10887       else if (vp_door->valign == VALIGN_BOTTOM)
10888         vp_door->y += vp_window->height - vp_door->height;
10889     }
10890   }
10891 }
10892
10893 static void InitMenuDesignSettings_SpecialPostProcessing_AfterGraphics(void)
10894 {
10895   static struct
10896   {
10897     struct XYTileSize *dst, *src;
10898     int graphic;
10899   }
10900   editor_buttons_xy[] =
10901   {
10902     {
10903       &editor.button.element_left,      &editor.palette.element_left,
10904       IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT
10905     },
10906     {
10907       &editor.button.element_middle,    &editor.palette.element_middle,
10908       IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE
10909     },
10910     {
10911       &editor.button.element_right,     &editor.palette.element_right,
10912       IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT
10913     },
10914
10915     { NULL,                     NULL                    }
10916   };
10917   int i;
10918
10919   // set default position for element buttons to element graphics
10920   for (i = 0; editor_buttons_xy[i].dst != NULL; i++)
10921   {
10922     if ((*editor_buttons_xy[i].dst).x == -1 &&
10923         (*editor_buttons_xy[i].dst).y == -1)
10924     {
10925       struct GraphicInfo *gd = &graphic_info[editor_buttons_xy[i].graphic];
10926
10927       gd->width = gd->height = editor_buttons_xy[i].src->tile_size;
10928
10929       *editor_buttons_xy[i].dst = *editor_buttons_xy[i].src;
10930     }
10931   }
10932
10933   // adjust editor palette rows and columns if specified to be dynamic
10934
10935   if (editor.palette.cols == -1)
10936   {
10937     int vp_width = viewport.playfield[GFX_SPECIAL_ARG_EDITOR].width;
10938     int bt_width = graphic_info[IMG_EDITOR_PALETTE_BUTTON].width;
10939     int sc_width = graphic_info[IMG_EDITOR_PALETTE_SCROLLBAR].width;
10940
10941     editor.palette.cols = (vp_width - sc_width) / bt_width;
10942
10943     if (editor.palette.x == -1)
10944     {
10945       int palette_width = editor.palette.cols * bt_width + sc_width;
10946
10947       editor.palette.x = (vp_width - palette_width) / 2;
10948     }
10949   }
10950
10951   if (editor.palette.rows == -1)
10952   {
10953     int vp_height = viewport.playfield[GFX_SPECIAL_ARG_EDITOR].height;
10954     int bt_height = graphic_info[IMG_EDITOR_PALETTE_BUTTON].height;
10955     int tx_height = getFontHeight(FONT_TEXT_2);
10956
10957     editor.palette.rows = (vp_height - tx_height) / bt_height;
10958
10959     if (editor.palette.y == -1)
10960     {
10961       int palette_height = editor.palette.rows * bt_height + tx_height;
10962
10963       editor.palette.y = (vp_height - palette_height) / 2;
10964     }
10965   }
10966 }
10967
10968 static void LoadMenuDesignSettingsFromFilename(char *filename)
10969 {
10970   static struct TitleFadingInfo tfi;
10971   static struct TitleMessageInfo tmi;
10972   static struct TokenInfo title_tokens[] =
10973   {
10974     { TYPE_INTEGER,     &tfi.fade_mode,         ".fade_mode"            },
10975     { TYPE_INTEGER,     &tfi.fade_delay,        ".fade_delay"           },
10976     { TYPE_INTEGER,     &tfi.post_delay,        ".post_delay"           },
10977     { TYPE_INTEGER,     &tfi.auto_delay,        ".auto_delay"           },
10978     { TYPE_INTEGER,     &tfi.auto_delay_unit,   ".auto_delay_unit"      },
10979
10980     { -1,               NULL,                   NULL                    }
10981   };
10982   static struct TokenInfo titlemessage_tokens[] =
10983   {
10984     { TYPE_INTEGER,     &tmi.x,                 ".x"                    },
10985     { TYPE_INTEGER,     &tmi.y,                 ".y"                    },
10986     { TYPE_INTEGER,     &tmi.width,             ".width"                },
10987     { TYPE_INTEGER,     &tmi.height,            ".height"               },
10988     { TYPE_INTEGER,     &tmi.chars,             ".chars"                },
10989     { TYPE_INTEGER,     &tmi.lines,             ".lines"                },
10990     { TYPE_INTEGER,     &tmi.align,             ".align"                },
10991     { TYPE_INTEGER,     &tmi.valign,            ".valign"               },
10992     { TYPE_INTEGER,     &tmi.font,              ".font"                 },
10993     { TYPE_BOOLEAN,     &tmi.autowrap,          ".autowrap"             },
10994     { TYPE_BOOLEAN,     &tmi.centered,          ".centered"             },
10995     { TYPE_BOOLEAN,     &tmi.parse_comments,    ".parse_comments"       },
10996     { TYPE_INTEGER,     &tmi.sort_priority,     ".sort_priority"        },
10997     { TYPE_INTEGER,     &tmi.fade_mode,         ".fade_mode"            },
10998     { TYPE_INTEGER,     &tmi.fade_delay,        ".fade_delay"           },
10999     { TYPE_INTEGER,     &tmi.post_delay,        ".post_delay"           },
11000     { TYPE_INTEGER,     &tmi.auto_delay,        ".auto_delay"           },
11001     { TYPE_INTEGER,     &tmi.auto_delay_unit,   ".auto_delay_unit"      },
11002
11003     { -1,               NULL,                   NULL                    }
11004   };
11005   static struct
11006   {
11007     struct TitleFadingInfo *info;
11008     char *text;
11009   }
11010   title_info[] =
11011   {
11012     // initialize first titles from "enter screen" definitions, if defined
11013     { &title_initial_first_default,     "menu.enter_screen.TITLE"       },
11014     { &title_first_default,             "menu.enter_screen.TITLE"       },
11015
11016     // initialize title screens from "next screen" definitions, if defined
11017     { &title_initial_default,           "menu.next_screen.TITLE"        },
11018     { &title_default,                   "menu.next_screen.TITLE"        },
11019
11020     { NULL,                             NULL                            }
11021   };
11022   static struct
11023   {
11024     struct TitleMessageInfo *array;
11025     char *text;
11026   }
11027   titlemessage_arrays[] =
11028   {
11029     // initialize first titles from "enter screen" definitions, if defined
11030     { titlescreen_initial_first,        "menu.enter_screen.TITLE"       },
11031     { titlescreen_first,                "menu.enter_screen.TITLE"       },
11032     { titlemessage_initial_first,       "menu.enter_screen.TITLE"       },
11033     { titlemessage_first,               "menu.enter_screen.TITLE"       },
11034
11035     // initialize titles from "next screen" definitions, if defined
11036     { titlescreen_initial,              "menu.next_screen.TITLE"        },
11037     { titlescreen,                      "menu.next_screen.TITLE"        },
11038     { titlemessage_initial,             "menu.next_screen.TITLE"        },
11039     { titlemessage,                     "menu.next_screen.TITLE"        },
11040
11041     // overwrite titles with title definitions, if defined
11042     { titlescreen_initial_first,        "[title_initial]"               },
11043     { titlescreen_first,                "[title]"                       },
11044     { titlemessage_initial_first,       "[title_initial]"               },
11045     { titlemessage_first,               "[title]"                       },
11046
11047     { titlescreen_initial,              "[title_initial]"               },
11048     { titlescreen,                      "[title]"                       },
11049     { titlemessage_initial,             "[title_initial]"               },
11050     { titlemessage,                     "[title]"                       },
11051
11052     // overwrite titles with title screen/message definitions, if defined
11053     { titlescreen_initial_first,        "[titlescreen_initial]"         },
11054     { titlescreen_first,                "[titlescreen]"                 },
11055     { titlemessage_initial_first,       "[titlemessage_initial]"        },
11056     { titlemessage_first,               "[titlemessage]"                },
11057
11058     { titlescreen_initial,              "[titlescreen_initial]"         },
11059     { titlescreen,                      "[titlescreen]"                 },
11060     { titlemessage_initial,             "[titlemessage_initial]"        },
11061     { titlemessage,                     "[titlemessage]"                },
11062
11063     { NULL,                             NULL                            }
11064   };
11065   SetupFileHash *setup_file_hash;
11066   int i, j, k;
11067
11068   if ((setup_file_hash = loadSetupFileHash(filename)) == NULL)
11069     return;
11070
11071   // the following initializes hierarchical values from dynamic configuration
11072
11073   // special case: initialize with default values that may be overwritten
11074   // (e.g., init "menu.draw_xoffset.INFO" from "menu.draw_xoffset")
11075   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11076   {
11077     struct TokenIntPtrInfo menu_config[] =
11078     {
11079       { "menu.draw_xoffset",    &menu.draw_xoffset[i]   },
11080       { "menu.draw_yoffset",    &menu.draw_yoffset[i]   },
11081       { "menu.list_size",       &menu.list_size[i]      }
11082     };
11083
11084     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
11085     {
11086       char *token = menu_config[j].token;
11087       char *value = getHashEntry(setup_file_hash, token);
11088
11089       if (value != NULL)
11090         *menu_config[j].value = get_integer_from_string(value);
11091     }
11092   }
11093
11094   // special case: initialize with default values that may be overwritten
11095   // (eg, init "menu.draw_xoffset.INFO[XXX]" from "menu.draw_xoffset.INFO")
11096   for (i = 0; i < NUM_SPECIAL_GFX_INFO_ARGS; i++)
11097   {
11098     struct TokenIntPtrInfo menu_config[] =
11099     {
11100       { "menu.draw_xoffset.INFO",       &menu.draw_xoffset_info[i]      },
11101       { "menu.draw_yoffset.INFO",       &menu.draw_yoffset_info[i]      },
11102       { "menu.list_size.INFO",          &menu.list_size_info[i]         }
11103     };
11104
11105     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
11106     {
11107       char *token = menu_config[j].token;
11108       char *value = getHashEntry(setup_file_hash, token);
11109
11110       if (value != NULL)
11111         *menu_config[j].value = get_integer_from_string(value);
11112     }
11113   }
11114
11115   // special case: initialize with default values that may be overwritten
11116   // (eg, init "menu.draw_xoffset.SETUP[XXX]" from "menu.draw_xoffset.SETUP")
11117   for (i = 0; i < NUM_SPECIAL_GFX_SETUP_ARGS; i++)
11118   {
11119     struct TokenIntPtrInfo menu_config[] =
11120     {
11121       { "menu.draw_xoffset.SETUP",      &menu.draw_xoffset_setup[i]     },
11122       { "menu.draw_yoffset.SETUP",      &menu.draw_yoffset_setup[i]     }
11123     };
11124
11125     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
11126     {
11127       char *token = menu_config[j].token;
11128       char *value = getHashEntry(setup_file_hash, token);
11129
11130       if (value != NULL)
11131         *menu_config[j].value = get_integer_from_string(value);
11132     }
11133   }
11134
11135   // special case: initialize with default values that may be overwritten
11136   // (eg, init "menu.line_spacing.INFO[XXX]" from "menu.line_spacing.INFO")
11137   for (i = 0; i < NUM_SPECIAL_GFX_INFO_ARGS; i++)
11138   {
11139     struct TokenIntPtrInfo menu_config[] =
11140     {
11141       { "menu.left_spacing.INFO",       &menu.left_spacing_info[i]      },
11142       { "menu.right_spacing.INFO",      &menu.right_spacing_info[i]     },
11143       { "menu.top_spacing.INFO",        &menu.top_spacing_info[i]       },
11144       { "menu.bottom_spacing.INFO",     &menu.bottom_spacing_info[i]    },
11145       { "menu.paragraph_spacing.INFO",  &menu.paragraph_spacing_info[i] },
11146       { "menu.headline1_spacing.INFO",  &menu.headline1_spacing_info[i] },
11147       { "menu.headline2_spacing.INFO",  &menu.headline2_spacing_info[i] },
11148       { "menu.line_spacing.INFO",       &menu.line_spacing_info[i]      },
11149       { "menu.extra_spacing.INFO",      &menu.extra_spacing_info[i]     },
11150     };
11151
11152     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
11153     {
11154       char *token = menu_config[j].token;
11155       char *value = getHashEntry(setup_file_hash, token);
11156
11157       if (value != NULL)
11158         *menu_config[j].value = get_integer_from_string(value);
11159     }
11160   }
11161
11162   // special case: initialize with default values that may be overwritten
11163   // (eg, init "menu.enter_screen.SCORES.xyz" from "menu.enter_screen.xyz")
11164   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11165   {
11166     struct TokenIntPtrInfo menu_config[] =
11167     {
11168       { "menu.enter_screen.fade_mode",  &menu.enter_screen[i].fade_mode  },
11169       { "menu.enter_screen.fade_delay", &menu.enter_screen[i].fade_delay },
11170       { "menu.enter_screen.post_delay", &menu.enter_screen[i].post_delay },
11171       { "menu.leave_screen.fade_mode",  &menu.leave_screen[i].fade_mode  },
11172       { "menu.leave_screen.fade_delay", &menu.leave_screen[i].fade_delay },
11173       { "menu.leave_screen.post_delay", &menu.leave_screen[i].post_delay },
11174       { "menu.next_screen.fade_mode",   &menu.next_screen[i].fade_mode   },
11175       { "menu.next_screen.fade_delay",  &menu.next_screen[i].fade_delay  },
11176       { "menu.next_screen.post_delay",  &menu.next_screen[i].post_delay  }
11177     };
11178
11179     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
11180     {
11181       char *token = menu_config[j].token;
11182       char *value = getHashEntry(setup_file_hash, token);
11183
11184       if (value != NULL)
11185         *menu_config[j].value = get_token_parameter_value(token, value);
11186     }
11187   }
11188
11189   // special case: initialize with default values that may be overwritten
11190   // (eg, init "viewport.door_1.MAIN.xyz" from "viewport.door_1.xyz")
11191   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11192   {
11193     struct
11194     {
11195       char *token_prefix;
11196       struct RectWithBorder *struct_ptr;
11197     }
11198     vp_struct[] =
11199     {
11200       { "viewport.window",      &viewport.window[i]     },
11201       { "viewport.playfield",   &viewport.playfield[i]  },
11202       { "viewport.door_1",      &viewport.door_1[i]     },
11203       { "viewport.door_2",      &viewport.door_2[i]     }
11204     };
11205
11206     for (j = 0; j < ARRAY_SIZE(vp_struct); j++)
11207     {
11208       struct TokenIntPtrInfo vp_config[] =
11209       {
11210         { ".x",                 &vp_struct[j].struct_ptr->x             },
11211         { ".y",                 &vp_struct[j].struct_ptr->y             },
11212         { ".width",             &vp_struct[j].struct_ptr->width         },
11213         { ".height",            &vp_struct[j].struct_ptr->height        },
11214         { ".min_width",         &vp_struct[j].struct_ptr->min_width     },
11215         { ".min_height",        &vp_struct[j].struct_ptr->min_height    },
11216         { ".max_width",         &vp_struct[j].struct_ptr->max_width     },
11217         { ".max_height",        &vp_struct[j].struct_ptr->max_height    },
11218         { ".margin_left",       &vp_struct[j].struct_ptr->margin_left   },
11219         { ".margin_right",      &vp_struct[j].struct_ptr->margin_right  },
11220         { ".margin_top",        &vp_struct[j].struct_ptr->margin_top    },
11221         { ".margin_bottom",     &vp_struct[j].struct_ptr->margin_bottom },
11222         { ".border_left",       &vp_struct[j].struct_ptr->border_left   },
11223         { ".border_right",      &vp_struct[j].struct_ptr->border_right  },
11224         { ".border_top",        &vp_struct[j].struct_ptr->border_top    },
11225         { ".border_bottom",     &vp_struct[j].struct_ptr->border_bottom },
11226         { ".border_size",       &vp_struct[j].struct_ptr->border_size   },
11227         { ".align_size",        &vp_struct[j].struct_ptr->align_size    },
11228         { ".align",             &vp_struct[j].struct_ptr->align         },
11229         { ".valign",            &vp_struct[j].struct_ptr->valign        }
11230       };
11231
11232       for (k = 0; k < ARRAY_SIZE(vp_config); k++)
11233       {
11234         char *token = getStringCat2(vp_struct[j].token_prefix,
11235                                     vp_config[k].token);
11236         char *value = getHashEntry(setup_file_hash, token);
11237
11238         if (value != NULL)
11239           *vp_config[k].value = get_token_parameter_value(token, value);
11240
11241         free(token);
11242       }
11243     }
11244   }
11245
11246   // special case: initialize with default values that may be overwritten
11247   // (e.g., init "[title].fade_mode" from "menu.next_screen.TITLE.fade_mode")
11248   for (i = 0; title_info[i].info != NULL; i++)
11249   {
11250     struct TitleFadingInfo *info = title_info[i].info;
11251     char *base_token = title_info[i].text;
11252
11253     for (j = 0; title_tokens[j].type != -1; j++)
11254     {
11255       char *token = getStringCat2(base_token, title_tokens[j].text);
11256       char *value = getHashEntry(setup_file_hash, token);
11257
11258       if (value != NULL)
11259       {
11260         int parameter_value = get_token_parameter_value(token, value);
11261
11262         tfi = *info;
11263
11264         *(int *)title_tokens[j].value = (int)parameter_value;
11265
11266         *info = tfi;
11267       }
11268
11269       free(token);
11270     }
11271   }
11272
11273   // special case: initialize with default values that may be overwritten
11274   // (e.g., init "titlemessage_1.fade_mode" from "[titlemessage].fade_mode")
11275   for (i = 0; titlemessage_arrays[i].array != NULL; i++)
11276   {
11277     struct TitleMessageInfo *array = titlemessage_arrays[i].array;
11278     char *base_token = titlemessage_arrays[i].text;
11279
11280     for (j = 0; titlemessage_tokens[j].type != -1; j++)
11281     {
11282       char *token = getStringCat2(base_token, titlemessage_tokens[j].text);
11283       char *value = getHashEntry(setup_file_hash, token);
11284
11285       if (value != NULL)
11286       {
11287         int parameter_value = get_token_parameter_value(token, value);
11288
11289         for (k = 0; k < MAX_NUM_TITLE_MESSAGES; k++)
11290         {
11291           tmi = array[k];
11292
11293           if (titlemessage_tokens[j].type == TYPE_INTEGER)
11294             *(int     *)titlemessage_tokens[j].value = (int)parameter_value;
11295           else
11296             *(boolean *)titlemessage_tokens[j].value = (boolean)parameter_value;
11297
11298           array[k] = tmi;
11299         }
11300       }
11301
11302       free(token);
11303     }
11304   }
11305
11306   // special case: check if network and preview player positions are redefined,
11307   // to compare this later against the main menu level preview being redefined
11308   struct TokenIntPtrInfo menu_config_players[] =
11309   {
11310     { "main.network_players.x", &menu.main.network_players.redefined    },
11311     { "main.network_players.y", &menu.main.network_players.redefined    },
11312     { "main.preview_players.x", &menu.main.preview_players.redefined    },
11313     { "main.preview_players.y", &menu.main.preview_players.redefined    },
11314     { "preview.x",              &preview.redefined                      },
11315     { "preview.y",              &preview.redefined                      }
11316   };
11317
11318   for (i = 0; i < ARRAY_SIZE(menu_config_players); i++)
11319     *menu_config_players[i].value = FALSE;
11320
11321   for (i = 0; i < ARRAY_SIZE(menu_config_players); i++)
11322     if (getHashEntry(setup_file_hash, menu_config_players[i].token) != NULL)
11323       *menu_config_players[i].value = TRUE;
11324
11325   // read (and overwrite with) values that may be specified in config file
11326   for (i = 0; image_config_vars[i].token != NULL; i++)
11327   {
11328     char *value = getHashEntry(setup_file_hash, image_config_vars[i].token);
11329
11330     // (ignore definitions set to "[DEFAULT]" which are already initialized)
11331     if (value != NULL && !strEqual(value, ARG_DEFAULT))
11332       *image_config_vars[i].value =
11333         get_token_parameter_value(image_config_vars[i].token, value);
11334   }
11335
11336   freeSetupFileHash(setup_file_hash);
11337 }
11338
11339 void LoadMenuDesignSettings(void)
11340 {
11341   char *filename_base = UNDEFINED_FILENAME, *filename_local;
11342
11343   InitMenuDesignSettings_Static();
11344   InitMenuDesignSettings_SpecialPreProcessing();
11345
11346   if (!GFX_OVERRIDE_ARTWORK(ARTWORK_TYPE_GRAPHICS))
11347   {
11348     // first look for special settings configured in level series config
11349     filename_base = getCustomArtworkLevelConfigFilename(ARTWORK_TYPE_GRAPHICS);
11350
11351     if (fileExists(filename_base))
11352       LoadMenuDesignSettingsFromFilename(filename_base);
11353   }
11354
11355   filename_local = getCustomArtworkConfigFilename(ARTWORK_TYPE_GRAPHICS);
11356
11357   if (filename_local != NULL && !strEqual(filename_base, filename_local))
11358     LoadMenuDesignSettingsFromFilename(filename_local);
11359
11360   InitMenuDesignSettings_SpecialPostProcessing();
11361 }
11362
11363 void LoadMenuDesignSettings_AfterGraphics(void)
11364 {
11365   InitMenuDesignSettings_SpecialPostProcessing_AfterGraphics();
11366 }
11367
11368 void LoadUserDefinedEditorElementList(int **elements, int *num_elements)
11369 {
11370   char *filename = getEditorSetupFilename();
11371   SetupFileList *setup_file_list, *list;
11372   SetupFileHash *element_hash;
11373   int num_unknown_tokens = 0;
11374   int i;
11375
11376   if ((setup_file_list = loadSetupFileList(filename)) == NULL)
11377     return;
11378
11379   element_hash = newSetupFileHash();
11380
11381   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
11382     setHashEntry(element_hash, element_info[i].token_name, i_to_a(i));
11383
11384   // determined size may be larger than needed (due to unknown elements)
11385   *num_elements = 0;
11386   for (list = setup_file_list; list != NULL; list = list->next)
11387     (*num_elements)++;
11388
11389   // add space for up to 3 more elements for padding that may be needed
11390   *num_elements += 3;
11391
11392   // free memory for old list of elements, if needed
11393   checked_free(*elements);
11394
11395   // allocate memory for new list of elements
11396   *elements = checked_malloc(*num_elements * sizeof(int));
11397
11398   *num_elements = 0;
11399   for (list = setup_file_list; list != NULL; list = list->next)
11400   {
11401     char *value = getHashEntry(element_hash, list->token);
11402
11403     if (value == NULL)          // try to find obsolete token mapping
11404     {
11405       char *mapped_token = get_mapped_token(list->token);
11406
11407       if (mapped_token != NULL)
11408       {
11409         value = getHashEntry(element_hash, mapped_token);
11410
11411         free(mapped_token);
11412       }
11413     }
11414
11415     if (value != NULL)
11416     {
11417       (*elements)[(*num_elements)++] = atoi(value);
11418     }
11419     else
11420     {
11421       if (num_unknown_tokens == 0)
11422       {
11423         Warn("---");
11424         Warn("unknown token(s) found in config file:");
11425         Warn("- config file: '%s'", filename);
11426
11427         num_unknown_tokens++;
11428       }
11429
11430       Warn("- token: '%s'", list->token);
11431     }
11432   }
11433
11434   if (num_unknown_tokens > 0)
11435     Warn("---");
11436
11437   while (*num_elements % 4)     // pad with empty elements, if needed
11438     (*elements)[(*num_elements)++] = EL_EMPTY;
11439
11440   freeSetupFileList(setup_file_list);
11441   freeSetupFileHash(element_hash);
11442
11443 #if 0
11444   for (i = 0; i < *num_elements; i++)
11445     Debug("editor", "element '%s' [%d]\n",
11446           element_info[(*elements)[i]].token_name, (*elements)[i]);
11447 #endif
11448 }
11449
11450 static struct MusicFileInfo *get_music_file_info_ext(char *basename, int music,
11451                                                      boolean is_sound)
11452 {
11453   SetupFileHash *setup_file_hash = NULL;
11454   struct MusicFileInfo tmp_music_file_info, *new_music_file_info;
11455   char *filename_music, *filename_prefix, *filename_info;
11456   struct
11457   {
11458     char *token;
11459     char **value_ptr;
11460   }
11461   token_to_value_ptr[] =
11462   {
11463     { "title_header",   &tmp_music_file_info.title_header       },
11464     { "artist_header",  &tmp_music_file_info.artist_header      },
11465     { "album_header",   &tmp_music_file_info.album_header       },
11466     { "year_header",    &tmp_music_file_info.year_header        },
11467
11468     { "title",          &tmp_music_file_info.title              },
11469     { "artist",         &tmp_music_file_info.artist             },
11470     { "album",          &tmp_music_file_info.album              },
11471     { "year",           &tmp_music_file_info.year               },
11472
11473     { NULL,             NULL                                    },
11474   };
11475   int i;
11476
11477   filename_music = (is_sound ? getCustomSoundFilename(basename) :
11478                     getCustomMusicFilename(basename));
11479
11480   if (filename_music == NULL)
11481     return NULL;
11482
11483   // ---------- try to replace file extension ----------
11484
11485   filename_prefix = getStringCopy(filename_music);
11486   if (strrchr(filename_prefix, '.') != NULL)
11487     *strrchr(filename_prefix, '.') = '\0';
11488   filename_info = getStringCat2(filename_prefix, ".txt");
11489
11490   if (fileExists(filename_info))
11491     setup_file_hash = loadSetupFileHash(filename_info);
11492
11493   free(filename_prefix);
11494   free(filename_info);
11495
11496   if (setup_file_hash == NULL)
11497   {
11498     // ---------- try to add file extension ----------
11499
11500     filename_prefix = getStringCopy(filename_music);
11501     filename_info = getStringCat2(filename_prefix, ".txt");
11502
11503     if (fileExists(filename_info))
11504       setup_file_hash = loadSetupFileHash(filename_info);
11505
11506     free(filename_prefix);
11507     free(filename_info);
11508   }
11509
11510   if (setup_file_hash == NULL)
11511     return NULL;
11512
11513   // ---------- music file info found ----------
11514
11515   clear_mem(&tmp_music_file_info, sizeof(struct MusicFileInfo));
11516
11517   for (i = 0; token_to_value_ptr[i].token != NULL; i++)
11518   {
11519     char *value = getHashEntry(setup_file_hash, token_to_value_ptr[i].token);
11520
11521     *token_to_value_ptr[i].value_ptr =
11522       getStringCopy(value != NULL && *value != '\0' ? value : UNKNOWN_NAME);
11523   }
11524
11525   tmp_music_file_info.basename = getStringCopy(basename);
11526   tmp_music_file_info.music = music;
11527   tmp_music_file_info.is_sound = is_sound;
11528
11529   new_music_file_info = checked_malloc(sizeof(struct MusicFileInfo));
11530   *new_music_file_info = tmp_music_file_info;
11531
11532   return new_music_file_info;
11533 }
11534
11535 static struct MusicFileInfo *get_music_file_info(char *basename, int music)
11536 {
11537   return get_music_file_info_ext(basename, music, FALSE);
11538 }
11539
11540 static struct MusicFileInfo *get_sound_file_info(char *basename, int sound)
11541 {
11542   return get_music_file_info_ext(basename, sound, TRUE);
11543 }
11544
11545 static boolean music_info_listed_ext(struct MusicFileInfo *list,
11546                                      char *basename, boolean is_sound)
11547 {
11548   for (; list != NULL; list = list->next)
11549     if (list->is_sound == is_sound && strEqual(list->basename, basename))
11550       return TRUE;
11551
11552   return FALSE;
11553 }
11554
11555 static boolean music_info_listed(struct MusicFileInfo *list, char *basename)
11556 {
11557   return music_info_listed_ext(list, basename, FALSE);
11558 }
11559
11560 static boolean sound_info_listed(struct MusicFileInfo *list, char *basename)
11561 {
11562   return music_info_listed_ext(list, basename, TRUE);
11563 }
11564
11565 void LoadMusicInfo(void)
11566 {
11567   char *music_directory = getCustomMusicDirectory();
11568   int num_music = getMusicListSize();
11569   int num_music_noconf = 0;
11570   int num_sounds = getSoundListSize();
11571   Directory *dir;
11572   DirectoryEntry *dir_entry;
11573   struct FileInfo *music, *sound;
11574   struct MusicFileInfo *next, **new;
11575   int i;
11576
11577   while (music_file_info != NULL)
11578   {
11579     next = music_file_info->next;
11580
11581     checked_free(music_file_info->basename);
11582
11583     checked_free(music_file_info->title_header);
11584     checked_free(music_file_info->artist_header);
11585     checked_free(music_file_info->album_header);
11586     checked_free(music_file_info->year_header);
11587
11588     checked_free(music_file_info->title);
11589     checked_free(music_file_info->artist);
11590     checked_free(music_file_info->album);
11591     checked_free(music_file_info->year);
11592
11593     free(music_file_info);
11594
11595     music_file_info = next;
11596   }
11597
11598   new = &music_file_info;
11599
11600   for (i = 0; i < num_music; i++)
11601   {
11602     music = getMusicListEntry(i);
11603
11604     if (music->filename == NULL)
11605       continue;
11606
11607     if (strEqual(music->filename, UNDEFINED_FILENAME))
11608       continue;
11609
11610     // a configured file may be not recognized as music
11611     if (!FileIsMusic(music->filename))
11612       continue;
11613
11614     if (!music_info_listed(music_file_info, music->filename))
11615     {
11616       *new = get_music_file_info(music->filename, i);
11617
11618       if (*new != NULL)
11619         new = &(*new)->next;
11620     }
11621   }
11622
11623   if ((dir = openDirectory(music_directory)) == NULL)
11624   {
11625     Warn("cannot read music directory '%s'", music_directory);
11626
11627     return;
11628   }
11629
11630   while ((dir_entry = readDirectory(dir)) != NULL)      // loop all entries
11631   {
11632     char *basename = dir_entry->basename;
11633     boolean music_already_used = FALSE;
11634     int i;
11635
11636     // skip all music files that are configured in music config file
11637     for (i = 0; i < num_music; i++)
11638     {
11639       music = getMusicListEntry(i);
11640
11641       if (music->filename == NULL)
11642         continue;
11643
11644       if (strEqual(basename, music->filename))
11645       {
11646         music_already_used = TRUE;
11647         break;
11648       }
11649     }
11650
11651     if (music_already_used)
11652       continue;
11653
11654     if (!FileIsMusic(dir_entry->filename))
11655       continue;
11656
11657     if (!music_info_listed(music_file_info, basename))
11658     {
11659       *new = get_music_file_info(basename, MAP_NOCONF_MUSIC(num_music_noconf));
11660
11661       if (*new != NULL)
11662         new = &(*new)->next;
11663     }
11664
11665     num_music_noconf++;
11666   }
11667
11668   closeDirectory(dir);
11669
11670   for (i = 0; i < num_sounds; i++)
11671   {
11672     sound = getSoundListEntry(i);
11673
11674     if (sound->filename == NULL)
11675       continue;
11676
11677     if (strEqual(sound->filename, UNDEFINED_FILENAME))
11678       continue;
11679
11680     // a configured file may be not recognized as sound
11681     if (!FileIsSound(sound->filename))
11682       continue;
11683
11684     if (!sound_info_listed(music_file_info, sound->filename))
11685     {
11686       *new = get_sound_file_info(sound->filename, i);
11687       if (*new != NULL)
11688         new = &(*new)->next;
11689     }
11690   }
11691 }
11692
11693 static void add_helpanim_entry(int element, int action, int direction,
11694                                int delay, int *num_list_entries)
11695 {
11696   struct HelpAnimInfo *new_list_entry;
11697   (*num_list_entries)++;
11698
11699   helpanim_info =
11700     checked_realloc(helpanim_info,
11701                     *num_list_entries * sizeof(struct HelpAnimInfo));
11702   new_list_entry = &helpanim_info[*num_list_entries - 1];
11703
11704   new_list_entry->element = element;
11705   new_list_entry->action = action;
11706   new_list_entry->direction = direction;
11707   new_list_entry->delay = delay;
11708 }
11709
11710 static void print_unknown_token(char *filename, char *token, int token_nr)
11711 {
11712   if (token_nr == 0)
11713   {
11714     Warn("---");
11715     Warn("unknown token(s) found in config file:");
11716     Warn("- config file: '%s'", filename);
11717   }
11718
11719   Warn("- token: '%s'", token);
11720 }
11721
11722 static void print_unknown_token_end(int token_nr)
11723 {
11724   if (token_nr > 0)
11725     Warn("---");
11726 }
11727
11728 void LoadHelpAnimInfo(void)
11729 {
11730   char *filename = getHelpAnimFilename();
11731   SetupFileList *setup_file_list = NULL, *list;
11732   SetupFileHash *element_hash, *action_hash, *direction_hash;
11733   int num_list_entries = 0;
11734   int num_unknown_tokens = 0;
11735   int i;
11736
11737   if (fileExists(filename))
11738     setup_file_list = loadSetupFileList(filename);
11739
11740   if (setup_file_list == NULL)
11741   {
11742     // use reliable default values from static configuration
11743     SetupFileList *insert_ptr;
11744
11745     insert_ptr = setup_file_list =
11746       newSetupFileList(helpanim_config[0].token,
11747                        helpanim_config[0].value);
11748
11749     for (i = 1; helpanim_config[i].token; i++)
11750       insert_ptr = addListEntry(insert_ptr,
11751                                 helpanim_config[i].token,
11752                                 helpanim_config[i].value);
11753   }
11754
11755   element_hash   = newSetupFileHash();
11756   action_hash    = newSetupFileHash();
11757   direction_hash = newSetupFileHash();
11758
11759   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
11760     setHashEntry(element_hash, element_info[i].token_name, i_to_a(i));
11761
11762   for (i = 0; i < NUM_ACTIONS; i++)
11763     setHashEntry(action_hash, element_action_info[i].suffix,
11764                  i_to_a(element_action_info[i].value));
11765
11766   // do not store direction index (bit) here, but direction value!
11767   for (i = 0; i < NUM_DIRECTIONS_FULL; i++)
11768     setHashEntry(direction_hash, element_direction_info[i].suffix,
11769                  i_to_a(1 << element_direction_info[i].value));
11770
11771   for (list = setup_file_list; list != NULL; list = list->next)
11772   {
11773     char *element_token, *action_token, *direction_token;
11774     char *element_value, *action_value, *direction_value;
11775     int delay = atoi(list->value);
11776
11777     if (strEqual(list->token, "end"))
11778     {
11779       add_helpanim_entry(HELPANIM_LIST_NEXT, -1, -1, -1, &num_list_entries);
11780
11781       continue;
11782     }
11783
11784     /* first try to break element into element/action/direction parts;
11785        if this does not work, also accept combined "element[.act][.dir]"
11786        elements (like "dynamite.active"), which are unique elements */
11787
11788     if (strchr(list->token, '.') == NULL)       // token contains no '.'
11789     {
11790       element_value = getHashEntry(element_hash, list->token);
11791       if (element_value != NULL)        // element found
11792         add_helpanim_entry(atoi(element_value), -1, -1, delay,
11793                            &num_list_entries);
11794       else
11795       {
11796         // no further suffixes found -- this is not an element
11797         print_unknown_token(filename, list->token, num_unknown_tokens++);
11798       }
11799
11800       continue;
11801     }
11802
11803     // token has format "<prefix>.<something>"
11804
11805     action_token = strchr(list->token, '.');    // suffix may be action ...
11806     direction_token = action_token;             // ... or direction
11807
11808     element_token = getStringCopy(list->token);
11809     *strchr(element_token, '.') = '\0';
11810
11811     element_value = getHashEntry(element_hash, element_token);
11812
11813     if (element_value == NULL)          // this is no element
11814     {
11815       element_value = getHashEntry(element_hash, list->token);
11816       if (element_value != NULL)        // combined element found
11817         add_helpanim_entry(atoi(element_value), -1, -1, delay,
11818                            &num_list_entries);
11819       else
11820         print_unknown_token(filename, list->token, num_unknown_tokens++);
11821
11822       free(element_token);
11823
11824       continue;
11825     }
11826
11827     action_value = getHashEntry(action_hash, action_token);
11828
11829     if (action_value != NULL)           // action found
11830     {
11831       add_helpanim_entry(atoi(element_value), atoi(action_value), -1, delay,
11832                     &num_list_entries);
11833
11834       free(element_token);
11835
11836       continue;
11837     }
11838
11839     direction_value = getHashEntry(direction_hash, direction_token);
11840
11841     if (direction_value != NULL)        // direction found
11842     {
11843       add_helpanim_entry(atoi(element_value), -1, atoi(direction_value), delay,
11844                          &num_list_entries);
11845
11846       free(element_token);
11847
11848       continue;
11849     }
11850
11851     if (strchr(action_token + 1, '.') == NULL)
11852     {
11853       // no further suffixes found -- this is not an action nor direction
11854
11855       element_value = getHashEntry(element_hash, list->token);
11856       if (element_value != NULL)        // combined element found
11857         add_helpanim_entry(atoi(element_value), -1, -1, delay,
11858                            &num_list_entries);
11859       else
11860         print_unknown_token(filename, list->token, num_unknown_tokens++);
11861
11862       free(element_token);
11863
11864       continue;
11865     }
11866
11867     // token has format "<prefix>.<suffix>.<something>"
11868
11869     direction_token = strchr(action_token + 1, '.');
11870
11871     action_token = getStringCopy(action_token);
11872     *strchr(action_token + 1, '.') = '\0';
11873
11874     action_value = getHashEntry(action_hash, action_token);
11875
11876     if (action_value == NULL)           // this is no action
11877     {
11878       element_value = getHashEntry(element_hash, list->token);
11879       if (element_value != NULL)        // combined element found
11880         add_helpanim_entry(atoi(element_value), -1, -1, delay,
11881                            &num_list_entries);
11882       else
11883         print_unknown_token(filename, list->token, num_unknown_tokens++);
11884
11885       free(element_token);
11886       free(action_token);
11887
11888       continue;
11889     }
11890
11891     direction_value = getHashEntry(direction_hash, direction_token);
11892
11893     if (direction_value != NULL)        // direction found
11894     {
11895       add_helpanim_entry(atoi(element_value), atoi(action_value),
11896                          atoi(direction_value), delay, &num_list_entries);
11897
11898       free(element_token);
11899       free(action_token);
11900
11901       continue;
11902     }
11903
11904     // this is no direction
11905
11906     element_value = getHashEntry(element_hash, list->token);
11907     if (element_value != NULL)          // combined element found
11908       add_helpanim_entry(atoi(element_value), -1, -1, delay,
11909                          &num_list_entries);
11910     else
11911       print_unknown_token(filename, list->token, num_unknown_tokens++);
11912
11913     free(element_token);
11914     free(action_token);
11915   }
11916
11917   print_unknown_token_end(num_unknown_tokens);
11918
11919   add_helpanim_entry(HELPANIM_LIST_NEXT, -1, -1, -1, &num_list_entries);
11920   add_helpanim_entry(HELPANIM_LIST_END,  -1, -1, -1, &num_list_entries);
11921
11922   freeSetupFileList(setup_file_list);
11923   freeSetupFileHash(element_hash);
11924   freeSetupFileHash(action_hash);
11925   freeSetupFileHash(direction_hash);
11926
11927 #if 0
11928   for (i = 0; i < num_list_entries; i++)
11929     Debug("files:LoadHelpAnimInfo", "'%s': %d, %d, %d => %d",
11930           EL_NAME(helpanim_info[i].element),
11931           helpanim_info[i].element,
11932           helpanim_info[i].action,
11933           helpanim_info[i].direction,
11934           helpanim_info[i].delay);
11935 #endif
11936 }
11937
11938 void LoadHelpTextInfo(void)
11939 {
11940   char *filename = getHelpTextFilename();
11941   int i;
11942
11943   if (helptext_info != NULL)
11944   {
11945     freeSetupFileHash(helptext_info);
11946     helptext_info = NULL;
11947   }
11948
11949   if (fileExists(filename))
11950     helptext_info = loadSetupFileHash(filename);
11951
11952   if (helptext_info == NULL)
11953   {
11954     // use reliable default values from static configuration
11955     helptext_info = newSetupFileHash();
11956
11957     for (i = 0; helptext_config[i].token; i++)
11958       setHashEntry(helptext_info,
11959                    helptext_config[i].token,
11960                    helptext_config[i].value);
11961   }
11962
11963 #if 0
11964   BEGIN_HASH_ITERATION(helptext_info, itr)
11965   {
11966     Debug("files:LoadHelpTextInfo", "'%s' => '%s'",
11967           HASH_ITERATION_TOKEN(itr), HASH_ITERATION_VALUE(itr));
11968   }
11969   END_HASH_ITERATION(hash, itr)
11970 #endif
11971 }
11972
11973
11974 // ----------------------------------------------------------------------------
11975 // convert levels
11976 // ----------------------------------------------------------------------------
11977
11978 #define MAX_NUM_CONVERT_LEVELS          1000
11979
11980 void ConvertLevels(void)
11981 {
11982   static LevelDirTree *convert_leveldir = NULL;
11983   static int convert_level_nr = -1;
11984   static int num_levels_handled = 0;
11985   static int num_levels_converted = 0;
11986   static boolean levels_failed[MAX_NUM_CONVERT_LEVELS];
11987   int i;
11988
11989   convert_leveldir = getTreeInfoFromIdentifier(leveldir_first,
11990                                                global.convert_leveldir);
11991
11992   if (convert_leveldir == NULL)
11993     Fail("no such level identifier: '%s'", global.convert_leveldir);
11994
11995   leveldir_current = convert_leveldir;
11996
11997   if (global.convert_level_nr != -1)
11998   {
11999     convert_leveldir->first_level = global.convert_level_nr;
12000     convert_leveldir->last_level  = global.convert_level_nr;
12001   }
12002
12003   convert_level_nr = convert_leveldir->first_level;
12004
12005   PrintLine("=", 79);
12006   Print("Converting levels\n");
12007   PrintLine("-", 79);
12008   Print("Level series identifier: '%s'\n", convert_leveldir->identifier);
12009   Print("Level series name:       '%s'\n", convert_leveldir->name);
12010   Print("Level series author:     '%s'\n", convert_leveldir->author);
12011   Print("Number of levels:        %d\n",   convert_leveldir->levels);
12012   PrintLine("=", 79);
12013   Print("\n");
12014
12015   for (i = 0; i < MAX_NUM_CONVERT_LEVELS; i++)
12016     levels_failed[i] = FALSE;
12017
12018   while (convert_level_nr <= convert_leveldir->last_level)
12019   {
12020     char *level_filename;
12021     boolean new_level;
12022
12023     level_nr = convert_level_nr++;
12024
12025     Print("Level %03d: ", level_nr);
12026
12027     LoadLevel(level_nr);
12028     if (level.no_level_file || level.no_valid_file)
12029     {
12030       Print("(no level)\n");
12031       continue;
12032     }
12033
12034     Print("converting level ... ");
12035
12036     level_filename = getDefaultLevelFilename(level_nr);
12037     new_level = !fileExists(level_filename);
12038
12039     if (new_level)
12040     {
12041       SaveLevel(level_nr);
12042
12043       num_levels_converted++;
12044
12045       Print("converted.\n");
12046     }
12047     else
12048     {
12049       if (level_nr >= 0 && level_nr < MAX_NUM_CONVERT_LEVELS)
12050         levels_failed[level_nr] = TRUE;
12051
12052       Print("NOT CONVERTED -- LEVEL ALREADY EXISTS.\n");
12053     }
12054
12055     num_levels_handled++;
12056   }
12057
12058   Print("\n");
12059   PrintLine("=", 79);
12060   Print("Number of levels handled: %d\n", num_levels_handled);
12061   Print("Number of levels converted: %d (%d%%)\n", num_levels_converted,
12062          (num_levels_handled ?
12063           num_levels_converted * 100 / num_levels_handled : 0));
12064   PrintLine("-", 79);
12065   Print("Summary (for automatic parsing by scripts):\n");
12066   Print("LEVELDIR '%s', CONVERTED %d/%d (%d%%)",
12067          convert_leveldir->identifier, num_levels_converted,
12068          num_levels_handled,
12069          (num_levels_handled ?
12070           num_levels_converted * 100 / num_levels_handled : 0));
12071
12072   if (num_levels_handled != num_levels_converted)
12073   {
12074     Print(", FAILED:");
12075     for (i = 0; i < MAX_NUM_CONVERT_LEVELS; i++)
12076       if (levels_failed[i])
12077         Print(" %03d", i);
12078   }
12079
12080   Print("\n");
12081   PrintLine("=", 79);
12082
12083   CloseAllAndExit(0);
12084 }
12085
12086
12087 // ----------------------------------------------------------------------------
12088 // create and save images for use in level sketches (raw BMP format)
12089 // ----------------------------------------------------------------------------
12090
12091 void CreateLevelSketchImages(void)
12092 {
12093   Bitmap *bitmap1;
12094   Bitmap *bitmap2;
12095   int i;
12096
12097   InitElementPropertiesGfxElement();
12098
12099   bitmap1 = CreateBitmap(TILEX, TILEY, DEFAULT_DEPTH);
12100   bitmap2 = CreateBitmap(MINI_TILEX, MINI_TILEY, DEFAULT_DEPTH);
12101
12102   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
12103   {
12104     int element = getMappedElement(i);
12105     char basename1[16];
12106     char basename2[16];
12107     char *filename1;
12108     char *filename2;
12109
12110     sprintf(basename1, "%04d.bmp", i);
12111     sprintf(basename2, "%04ds.bmp", i);
12112
12113     filename1 = getPath2(global.create_images_dir, basename1);
12114     filename2 = getPath2(global.create_images_dir, basename2);
12115
12116     DrawSizedElement(0, 0, element, TILESIZE);
12117     BlitBitmap(drawto, bitmap1, SX, SY, TILEX, TILEY, 0, 0);
12118
12119     if (SDL_SaveBMP(bitmap1->surface, filename1) != 0)
12120       Fail("cannot save level sketch image file '%s'", filename1);
12121
12122     DrawSizedElement(0, 0, element, MINI_TILESIZE);
12123     BlitBitmap(drawto, bitmap2, SX, SY, MINI_TILEX, MINI_TILEY, 0, 0);
12124
12125     if (SDL_SaveBMP(bitmap2->surface, filename2) != 0)
12126       Fail("cannot save level sketch image file '%s'", filename2);
12127
12128     free(filename1);
12129     free(filename2);
12130
12131     // create corresponding SQL statements (for normal and small images)
12132     if (i < 1000)
12133     {
12134       printf("insert into phpbb_words values (NULL, '`%03d', '<IMG class=\"levelsketch\" src=\"/I/%04d.png\"/>');\n", i, i);
12135       printf("insert into phpbb_words values (NULL, '¸%03d', '<IMG class=\"levelsketch\" src=\"/I/%04ds.png\"/>');\n", i, i);
12136     }
12137
12138     printf("insert into phpbb_words values (NULL, '`%04d', '<IMG class=\"levelsketch\" src=\"/I/%04d.png\"/>');\n", i, i);
12139     printf("insert into phpbb_words values (NULL, '¸%04d', '<IMG class=\"levelsketch\" src=\"/I/%04ds.png\"/>');\n", i, i);
12140
12141     // optional: create content for forum level sketch demonstration post
12142     if (options.debug)
12143       fprintf(stderr, "%03d `%03d%c", i, i, (i % 10 < 9 ? ' ' : '\n'));
12144   }
12145
12146   FreeBitmap(bitmap1);
12147   FreeBitmap(bitmap2);
12148
12149   if (options.debug)
12150     fprintf(stderr, "\n");
12151
12152   Info("%d normal and small images created", NUM_FILE_ELEMENTS);
12153
12154   CloseAllAndExit(0);
12155 }
12156
12157
12158 // ----------------------------------------------------------------------------
12159 // create and save images for custom and group elements (raw BMP format)
12160 // ----------------------------------------------------------------------------
12161
12162 void CreateCustomElementImages(char *directory)
12163 {
12164   char *src_basename = "RocksCE-template.ilbm";
12165   char *dst_basename = "RocksCE.bmp";
12166   char *src_filename = getPath2(directory, src_basename);
12167   char *dst_filename = getPath2(directory, dst_basename);
12168   Bitmap *src_bitmap;
12169   Bitmap *bitmap;
12170   int yoffset_ce = 0;
12171   int yoffset_ge = (TILEY * NUM_CUSTOM_ELEMENTS / 16);
12172   int i;
12173
12174   InitVideoDefaults();
12175
12176   ReCreateBitmap(&backbuffer, video.width, video.height);
12177
12178   src_bitmap = LoadImage(src_filename);
12179
12180   bitmap = CreateBitmap(TILEX * 16 * 2,
12181                         TILEY * (NUM_CUSTOM_ELEMENTS + NUM_GROUP_ELEMENTS) / 16,
12182                         DEFAULT_DEPTH);
12183
12184   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
12185   {
12186     int x = i % 16;
12187     int y = i / 16;
12188     int ii = i + 1;
12189     int j;
12190
12191     BlitBitmap(src_bitmap, bitmap, 0, 0, TILEX, TILEY,
12192                TILEX * x, TILEY * y + yoffset_ce);
12193
12194     BlitBitmap(src_bitmap, bitmap, 0, TILEY,
12195                TILEX, TILEY,
12196                TILEX * x + TILEX * 16,
12197                TILEY * y + yoffset_ce);
12198
12199     for (j = 2; j >= 0; j--)
12200     {
12201       int c = ii % 10;
12202
12203       BlitBitmap(src_bitmap, bitmap,
12204                  TILEX + c * 7, 0, 6, 10,
12205                  TILEX * x + 6 + j * 7,
12206                  TILEY * y + 11 + yoffset_ce);
12207
12208       BlitBitmap(src_bitmap, bitmap,
12209                  TILEX + c * 8, TILEY, 6, 10,
12210                  TILEX * 16 + TILEX * x + 6 + j * 8,
12211                  TILEY * y + 10 + yoffset_ce);
12212
12213       ii /= 10;
12214     }
12215   }
12216
12217   for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
12218   {
12219     int x = i % 16;
12220     int y = i / 16;
12221     int ii = i + 1;
12222     int j;
12223
12224     BlitBitmap(src_bitmap, bitmap, 0, 0, TILEX, TILEY,
12225                TILEX * x, TILEY * y + yoffset_ge);
12226
12227     BlitBitmap(src_bitmap, bitmap, 0, TILEY,
12228                TILEX, TILEY,
12229                TILEX * x + TILEX * 16,
12230                TILEY * y + yoffset_ge);
12231
12232     for (j = 1; j >= 0; j--)
12233     {
12234       int c = ii % 10;
12235
12236       BlitBitmap(src_bitmap, bitmap, TILEX + c * 10, 11, 10, 10,
12237                  TILEX * x + 6 + j * 10,
12238                  TILEY * y + 11 + yoffset_ge);
12239
12240       BlitBitmap(src_bitmap, bitmap,
12241                  TILEX + c * 8, TILEY + 12, 6, 10,
12242                  TILEX * 16 + TILEX * x + 10 + j * 8,
12243                  TILEY * y + 10 + yoffset_ge);
12244
12245       ii /= 10;
12246     }
12247   }
12248
12249   if (SDL_SaveBMP(bitmap->surface, dst_filename) != 0)
12250     Fail("cannot save CE graphics file '%s'", dst_filename);
12251
12252   FreeBitmap(bitmap);
12253
12254   CloseAllAndExit(0);
12255 }