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