src/files.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  https://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // files.c
  10 // ============================================================================
  11
  12 #include <ctype.h>
  13 #include <sys/stat.h>
  14 #include <dirent.h>
  15 #include <math.h>
  16
  17 #include "libgame/libgame.h"
  18
  19 #include "files.h"
  20 #include "init.h"
  21 #include "screens.h"
  22 #include "tools.h"
  23 #include "tape.h"
  24 #include "config.h"
  25
  26 #define ENABLE_UNUSED_CODE      0       // currently unused functions
  27 #define ENABLE_HISTORIC_CHUNKS  0       // only for historic reference
  28 #define ENABLE_RESERVED_CODE    0       // reserved for later use
  29
  30 #define CHUNK_ID_LEN            4       // IFF style chunk id length
  31 #define CHUNK_SIZE_UNDEFINED    0       // undefined chunk size == 0
  32 #define CHUNK_SIZE_NONE         -1      // do not write chunk size
  33
  34 #define LEVEL_CHUNK_NAME_SIZE   MAX_LEVEL_NAME_LEN
  35 #define LEVEL_CHUNK_AUTH_SIZE   MAX_LEVEL_AUTHOR_LEN
  36
  37 #define LEVEL_CHUNK_VERS_SIZE   8       // size of file version chunk
  38 #define LEVEL_CHUNK_DATE_SIZE   4       // size of file date chunk
  39 #define LEVEL_CHUNK_HEAD_SIZE   80      // size of level file header
  40 #define LEVEL_CHUNK_HEAD_UNUSED 0       // unused level header bytes
  41 #define LEVEL_CHUNK_CNT2_SIZE   160     // size of level CNT2 chunk
  42 #define LEVEL_CHUNK_CNT2_UNUSED 11      // unused CNT2 chunk bytes
  43 #define LEVEL_CHUNK_CNT3_HEADER 16      // size of level CNT3 header
  44 #define LEVEL_CHUNK_CNT3_UNUSED 10      // unused CNT3 chunk bytes
  45 #define LEVEL_CPART_CUS3_SIZE   134     // size of CUS3 chunk part
  46 #define LEVEL_CPART_CUS3_UNUSED 15      // unused CUS3 bytes / part
  47 #define LEVEL_CHUNK_GRP1_SIZE   74      // size of level GRP1 chunk
  48
  49 // (element number, number of change pages, change page number)
  50 #define LEVEL_CHUNK_CUSX_UNCHANGED      (2 + (1 + 1) + (1 + 1))
  51
  52 // (element number only)
  53 #define LEVEL_CHUNK_GRPX_UNCHANGED      2
  54 #define LEVEL_CHUNK_NOTE_UNCHANGED      2
  55
  56 // (nothing at all if unchanged)
  57 #define LEVEL_CHUNK_ELEM_UNCHANGED      0
  58
  59 #define TAPE_CHUNK_VERS_SIZE    8       // size of file version chunk
  60 #define TAPE_CHUNK_HEAD_SIZE    20      // size of tape file header
  61 #define TAPE_CHUNK_HEAD_UNUSED  1       // unused tape header bytes
  62 #define TAPE_CHUNK_SCRN_SIZE    2       // size of screen size chunk
  63
  64 #define SCORE_CHUNK_VERS_SIZE   8       // size of file version chunk
  65
  66 #define LEVEL_CHUNK_CNT3_SIZE(x)         (LEVEL_CHUNK_CNT3_HEADER + (x))
  67 #define LEVEL_CHUNK_CUS3_SIZE(x)         (2 + (x) * LEVEL_CPART_CUS3_SIZE)
  68 #define LEVEL_CHUNK_CUS4_SIZE(x)         (96 + (x) * 48)
  69
  70 // file identifier strings
  71 #define LEVEL_COOKIE_TMPL               "ROCKSNDIAMONDS_LEVEL_FILE_VERSION_x.x"
  72 #define TAPE_COOKIE_TMPL                "ROCKSNDIAMONDS_TAPE_FILE_VERSION_x.x"
  73 #define SCORE_COOKIE_TMPL               "ROCKSNDIAMONDS_SCORE_FILE_VERSION_x.x"
  74
  75 // values for deciding when (not) to save configuration data
  76 #define SAVE_CONF_NEVER                 0
  77 #define SAVE_CONF_ALWAYS                1
  78 #define SAVE_CONF_WHEN_CHANGED          -1
  79
  80 // values for chunks using micro chunks
  81 #define CONF_MASK_1_BYTE                0x00
  82 #define CONF_MASK_2_BYTE                0x40
  83 #define CONF_MASK_4_BYTE                0x80
  84 #define CONF_MASK_MULTI_BYTES           0xc0
  85
  86 #define CONF_MASK_BYTES                 0xc0
  87 #define CONF_MASK_TOKEN                 0x3f
  88
  89 #define CONF_VALUE_1_BYTE(x)            (CONF_MASK_1_BYTE       | (x))
  90 #define CONF_VALUE_2_BYTE(x)            (CONF_MASK_2_BYTE       | (x))
  91 #define CONF_VALUE_4_BYTE(x)            (CONF_MASK_4_BYTE       | (x))
  92 #define CONF_VALUE_MULTI_BYTES(x)       (CONF_MASK_MULTI_BYTES  | (x))
  93
  94 // these definitions are just for convenience of use and readability
  95 #define CONF_VALUE_8_BIT(x)             CONF_VALUE_1_BYTE(x)
  96 #define CONF_VALUE_16_BIT(x)            CONF_VALUE_2_BYTE(x)
  97 #define CONF_VALUE_32_BIT(x)            CONF_VALUE_4_BYTE(x)
  98 #define CONF_VALUE_BYTES(x)             CONF_VALUE_MULTI_BYTES(x)
  99
 100 #define CONF_VALUE_NUM_BYTES(x)         ((x) == CONF_MASK_1_BYTE ? 1 :  \
 101                                          (x) == CONF_MASK_2_BYTE ? 2 :  \
 102                                          (x) == CONF_MASK_4_BYTE ? 4 : 0)
 103
 104 #define CONF_CONTENT_NUM_ELEMENTS       (3 * 3)
 105 #define CONF_CONTENT_NUM_BYTES          (CONF_CONTENT_NUM_ELEMENTS * 2)
 106 #define CONF_ELEMENT_NUM_BYTES          (2)
 107
 108 #define CONF_ENTITY_NUM_BYTES(t)        ((t) == TYPE_ELEMENT ||         \
 109                                          (t) == TYPE_ELEMENT_LIST ?     \
 110                                          CONF_ELEMENT_NUM_BYTES :       \
 111                                          (t) == TYPE_CONTENT ||         \
 112                                          (t) == TYPE_CONTENT_LIST ?     \
 113                                          CONF_CONTENT_NUM_BYTES : 1)
 114
 115 #define CONF_ELEMENT_BYTE_POS(i)        ((i) * CONF_ELEMENT_NUM_BYTES)
 116 #define CONF_ELEMENTS_ELEMENT(b,i)     ((b[CONF_ELEMENT_BYTE_POS(i)] << 8) |  \
 117                                         (b[CONF_ELEMENT_BYTE_POS(i) + 1]))
 118
 119 #define CONF_CONTENT_ELEMENT_POS(c,x,y) ((c) * CONF_CONTENT_NUM_ELEMENTS +    \
 120                                          (y) * 3 + (x))
 121 #define CONF_CONTENT_BYTE_POS(c,x,y)    (CONF_CONTENT_ELEMENT_POS(c,x,y) *    \
 122                                          CONF_ELEMENT_NUM_BYTES)
 123 #define CONF_CONTENTS_ELEMENT(b,c,x,y) ((b[CONF_CONTENT_BYTE_POS(c,x,y)]<< 8)|\
 124                                         (b[CONF_CONTENT_BYTE_POS(c,x,y) + 1]))
 125
 126 // temporary variables used to store pointers to structure members
 127 static struct LevelInfo li;
 128 static struct ElementInfo xx_ei, yy_ei;
 129 static struct ElementChangeInfo xx_change;
 130 static struct ElementGroupInfo xx_group;
 131 static struct EnvelopeInfo xx_envelope;
 132 static unsigned int xx_event_bits[NUM_CE_BITFIELDS];
 133 static char xx_default_description[MAX_ELEMENT_NAME_LEN + 1];
 134 static int xx_num_contents;
 135 static int xx_current_change_page;
 136 static char xx_default_string_empty[1] = "";
 137 static int xx_string_length_unused;
 138
 139 struct LevelFileConfigInfo
 140 {
 141   int element;                  // element for which data is to be stored
 142   int save_type;                // save data always, never or when changed
 143   int data_type;                // data type (used internally, not stored)
 144   int conf_type;                // micro chunk identifier (stored in file)
 145
 146   // (mandatory)
 147   void *value;                  // variable that holds the data to be stored
 148   int default_value;            // initial default value for this variable
 149
 150   // (optional)
 151   void *value_copy;             // variable that holds the data to be copied
 152   void *num_entities;           // number of entities for multi-byte data
 153   int default_num_entities;     // default number of entities for this data
 154   int max_num_entities;         // maximal number of entities for this data
 155   char *default_string;         // optional default string for string data
 156 };
 157
 158 static struct LevelFileConfigInfo chunk_config_INFO[] =
 159 {
 160   // ---------- values not related to single elements -------------------------
 161
 162   {
 163     -1,                                 SAVE_CONF_ALWAYS,
 164     TYPE_INTEGER,                       CONF_VALUE_8_BIT(1),
 165     &li.game_engine_type,               GAME_ENGINE_TYPE_RND
 166   },
 167
 168   {
 169     -1,                                 SAVE_CONF_ALWAYS,
 170     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 171     &li.fieldx,                         STD_LEV_FIELDX
 172   },
 173   {
 174     -1,                                 SAVE_CONF_ALWAYS,
 175     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 176     &li.fieldy,                         STD_LEV_FIELDY
 177   },
 178
 179   {
 180     -1,                                 SAVE_CONF_ALWAYS,
 181     TYPE_INTEGER,                       CONF_VALUE_16_BIT(3),
 182     &li.time,                           100
 183   },
 184
 185   {
 186     -1,                                 SAVE_CONF_ALWAYS,
 187     TYPE_INTEGER,                       CONF_VALUE_16_BIT(4),
 188     &li.gems_needed,                    0
 189   },
 190
 191   {
 192     -1,                                 -1,
 193     TYPE_INTEGER,                       CONF_VALUE_32_BIT(2),
 194     &li.random_seed,                    0
 195   },
 196
 197   {
 198     -1,                                 -1,
 199     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(2),
 200     &li.use_step_counter,               FALSE
 201   },
 202
 203   {
 204     -1,                                 -1,
 205     TYPE_BITFIELD,                      CONF_VALUE_8_BIT(4),
 206     &li.wind_direction_initial,         MV_NONE
 207   },
 208
 209   {
 210     -1,                                 -1,
 211     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(5),
 212     &li.em_slippery_gems,               FALSE
 213   },
 214
 215   {
 216     -1,                                 -1,
 217     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(6),
 218     &li.use_custom_template,            FALSE
 219   },
 220
 221   {
 222     -1,                                 -1,
 223     TYPE_BITFIELD,                      CONF_VALUE_32_BIT(1),
 224     &li.can_move_into_acid_bits,        ~0      // default: everything can
 225   },
 226
 227   {
 228     -1,                                 -1,
 229     TYPE_BITFIELD,                      CONF_VALUE_8_BIT(7),
 230     &li.dont_collide_with_bits,         ~0      // default: always deadly
 231   },
 232
 233   {
 234     -1,                                 -1,
 235     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(8),
 236     &li.em_explodes_by_fire,            FALSE
 237   },
 238
 239   {
 240     -1,                                 -1,
 241     TYPE_INTEGER,                       CONF_VALUE_16_BIT(5),
 242     &li.score[SC_TIME_BONUS],           1
 243   },
 244
 245   {
 246     -1,                                 -1,
 247     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(9),
 248     &li.auto_exit_sokoban,              FALSE
 249   },
 250
 251   {
 252     -1,                                 -1,
 253     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(10),
 254     &li.auto_count_gems,                FALSE
 255   },
 256
 257   {
 258     -1,                                 -1,
 259     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(11),
 260     &li.solved_by_one_player,           FALSE
 261   },
 262
 263   {
 264     -1,                                 -1,
 265     TYPE_INTEGER,                       CONF_VALUE_8_BIT(12),
 266     &li.time_score_base,                1
 267   },
 268
 269   {
 270     -1,                                 -1,
 271     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(13),
 272     &li.rate_time_over_score,           FALSE
 273   },
 274
 275   {
 276     -1,                                 -1,
 277     -1,                                 -1,
 278     NULL,                               -1
 279   }
 280 };
 281
 282 static struct LevelFileConfigInfo chunk_config_ELEM[] =
 283 {
 284   // (these values are the same for each player)
 285   {
 286     EL_PLAYER_1,                        -1,
 287     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 288     &li.block_last_field,               FALSE   // default case for EM levels
 289   },
 290   {
 291     EL_PLAYER_1,                        -1,
 292     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(2),
 293     &li.sp_block_last_field,            TRUE    // default case for SP levels
 294   },
 295   {
 296     EL_PLAYER_1,                        -1,
 297     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(3),
 298     &li.instant_relocation,             FALSE
 299   },
 300   {
 301     EL_PLAYER_1,                        -1,
 302     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(4),
 303     &li.can_pass_to_walkable,           FALSE
 304   },
 305   {
 306     EL_PLAYER_1,                        -1,
 307     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(5),
 308     &li.block_snap_field,               TRUE
 309   },
 310   {
 311     EL_PLAYER_1,                        -1,
 312     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(6),
 313     &li.continuous_snapping,            TRUE
 314   },
 315   {
 316     EL_PLAYER_1,                        -1,
 317     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(12),
 318     &li.shifted_relocation,             FALSE
 319   },
 320   {
 321     EL_PLAYER_1,                        -1,
 322     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(15),
 323     &li.lazy_relocation,                FALSE
 324   },
 325   {
 326     EL_PLAYER_1,                        -1,
 327     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(16),
 328     &li.finish_dig_collect,             TRUE
 329   },
 330
 331   // (these values are different for each player)
 332   {
 333     EL_PLAYER_1,                        -1,
 334     TYPE_INTEGER,                       CONF_VALUE_8_BIT(7),
 335     &li.initial_player_stepsize[0],     STEPSIZE_NORMAL
 336   },
 337   {
 338     EL_PLAYER_1,                        -1,
 339     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(8),
 340     &li.initial_player_gravity[0],      FALSE
 341   },
 342   {
 343     EL_PLAYER_1,                        -1,
 344     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(9),
 345     &li.use_start_element[0],           FALSE
 346   },
 347   {
 348     EL_PLAYER_1,                        -1,
 349     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
 350     &li.start_element[0],               EL_PLAYER_1
 351   },
 352   {
 353     EL_PLAYER_1,                        -1,
 354     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(10),
 355     &li.use_artwork_element[0],         FALSE
 356   },
 357   {
 358     EL_PLAYER_1,                        -1,
 359     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(2),
 360     &li.artwork_element[0],             EL_PLAYER_1
 361   },
 362   {
 363     EL_PLAYER_1,                        -1,
 364     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(11),
 365     &li.use_explosion_element[0],       FALSE
 366   },
 367   {
 368     EL_PLAYER_1,                        -1,
 369     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(3),
 370     &li.explosion_element[0],           EL_PLAYER_1
 371   },
 372   {
 373     EL_PLAYER_1,                        -1,
 374     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(13),
 375     &li.use_initial_inventory[0],       FALSE
 376   },
 377   {
 378     EL_PLAYER_1,                        -1,
 379     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(14),
 380     &li.initial_inventory_size[0],      1
 381   },
 382   {
 383     EL_PLAYER_1,                        -1,
 384     TYPE_ELEMENT_LIST,                  CONF_VALUE_BYTES(1),
 385     &li.initial_inventory_content[0][0],EL_EMPTY, NULL,
 386     &li.initial_inventory_size[0],      1, MAX_INITIAL_INVENTORY_SIZE
 387   },
 388
 389   {
 390     EL_PLAYER_2,                        -1,
 391     TYPE_INTEGER,                       CONF_VALUE_8_BIT(7),
 392     &li.initial_player_stepsize[1],     STEPSIZE_NORMAL
 393   },
 394   {
 395     EL_PLAYER_2,                        -1,
 396     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(8),
 397     &li.initial_player_gravity[1],      FALSE
 398   },
 399   {
 400     EL_PLAYER_2,                        -1,
 401     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(9),
 402     &li.use_start_element[1],           FALSE
 403   },
 404   {
 405     EL_PLAYER_2,                        -1,
 406     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
 407     &li.start_element[1],               EL_PLAYER_2
 408   },
 409   {
 410     EL_PLAYER_2,                        -1,
 411     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(10),
 412     &li.use_artwork_element[1],         FALSE
 413   },
 414   {
 415     EL_PLAYER_2,                        -1,
 416     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(2),
 417     &li.artwork_element[1],             EL_PLAYER_2
 418   },
 419   {
 420     EL_PLAYER_2,                        -1,
 421     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(11),
 422     &li.use_explosion_element[1],       FALSE
 423   },
 424   {
 425     EL_PLAYER_2,                        -1,
 426     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(3),
 427     &li.explosion_element[1],           EL_PLAYER_2
 428   },
 429   {
 430     EL_PLAYER_2,                        -1,
 431     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(13),
 432     &li.use_initial_inventory[1],       FALSE
 433   },
 434   {
 435     EL_PLAYER_2,                        -1,
 436     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(14),
 437     &li.initial_inventory_size[1],      1
 438   },
 439   {
 440     EL_PLAYER_2,                        -1,
 441     TYPE_ELEMENT_LIST,                  CONF_VALUE_BYTES(1),
 442     &li.initial_inventory_content[1][0],EL_EMPTY, NULL,
 443     &li.initial_inventory_size[1],      1, MAX_INITIAL_INVENTORY_SIZE
 444   },
 445
 446   {
 447     EL_PLAYER_3,                        -1,
 448     TYPE_INTEGER,                       CONF_VALUE_8_BIT(7),
 449     &li.initial_player_stepsize[2],     STEPSIZE_NORMAL
 450   },
 451   {
 452     EL_PLAYER_3,                        -1,
 453     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(8),
 454     &li.initial_player_gravity[2],      FALSE
 455   },
 456   {
 457     EL_PLAYER_3,                        -1,
 458     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(9),
 459     &li.use_start_element[2],           FALSE
 460   },
 461   {
 462     EL_PLAYER_3,                        -1,
 463     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
 464     &li.start_element[2],               EL_PLAYER_3
 465   },
 466   {
 467     EL_PLAYER_3,                        -1,
 468     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(10),
 469     &li.use_artwork_element[2],         FALSE
 470   },
 471   {
 472     EL_PLAYER_3,                        -1,
 473     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(2),
 474     &li.artwork_element[2],             EL_PLAYER_3
 475   },
 476   {
 477     EL_PLAYER_3,                        -1,
 478     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(11),
 479     &li.use_explosion_element[2],       FALSE
 480   },
 481   {
 482     EL_PLAYER_3,                        -1,
 483     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(3),
 484     &li.explosion_element[2],           EL_PLAYER_3
 485   },
 486   {
 487     EL_PLAYER_3,                        -1,
 488     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(13),
 489     &li.use_initial_inventory[2],       FALSE
 490   },
 491   {
 492     EL_PLAYER_3,                        -1,
 493     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(14),
 494     &li.initial_inventory_size[2],      1
 495   },
 496   {
 497     EL_PLAYER_3,                        -1,
 498     TYPE_ELEMENT_LIST,                  CONF_VALUE_BYTES(1),
 499     &li.initial_inventory_content[2][0],EL_EMPTY, NULL,
 500     &li.initial_inventory_size[2],      1, MAX_INITIAL_INVENTORY_SIZE
 501   },
 502
 503   {
 504     EL_PLAYER_4,                        -1,
 505     TYPE_INTEGER,                       CONF_VALUE_8_BIT(7),
 506     &li.initial_player_stepsize[3],     STEPSIZE_NORMAL
 507   },
 508   {
 509     EL_PLAYER_4,                        -1,
 510     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(8),
 511     &li.initial_player_gravity[3],      FALSE
 512   },
 513   {
 514     EL_PLAYER_4,                        -1,
 515     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(9),
 516     &li.use_start_element[3],           FALSE
 517   },
 518   {
 519     EL_PLAYER_4,                        -1,
 520     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
 521     &li.start_element[3],               EL_PLAYER_4
 522   },
 523   {
 524     EL_PLAYER_4,                        -1,
 525     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(10),
 526     &li.use_artwork_element[3],         FALSE
 527   },
 528   {
 529     EL_PLAYER_4,                        -1,
 530     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(2),
 531     &li.artwork_element[3],             EL_PLAYER_4
 532   },
 533   {
 534     EL_PLAYER_4,                        -1,
 535     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(11),
 536     &li.use_explosion_element[3],       FALSE
 537   },
 538   {
 539     EL_PLAYER_4,                        -1,
 540     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(3),
 541     &li.explosion_element[3],           EL_PLAYER_4
 542   },
 543   {
 544     EL_PLAYER_4,                        -1,
 545     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(13),
 546     &li.use_initial_inventory[3],       FALSE
 547   },
 548   {
 549     EL_PLAYER_4,                        -1,
 550     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(14),
 551     &li.initial_inventory_size[3],      1
 552   },
 553   {
 554     EL_PLAYER_4,                        -1,
 555     TYPE_ELEMENT_LIST,                  CONF_VALUE_BYTES(1),
 556     &li.initial_inventory_content[3][0],EL_EMPTY, NULL,
 557     &li.initial_inventory_size[3],      1, MAX_INITIAL_INVENTORY_SIZE
 558   },
 559
 560   {
 561     EL_EMERALD,                         -1,
 562     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 563     &li.score[SC_EMERALD],              10
 564   },
 565
 566   {
 567     EL_DIAMOND,                         -1,
 568     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 569     &li.score[SC_DIAMOND],              10
 570   },
 571
 572   {
 573     EL_BUG,                             -1,
 574     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 575     &li.score[SC_BUG],                  10
 576   },
 577
 578   {
 579     EL_SPACESHIP,                       -1,
 580     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 581     &li.score[SC_SPACESHIP],            10
 582   },
 583
 584   {
 585     EL_PACMAN,                          -1,
 586     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 587     &li.score[SC_PACMAN],               10
 588   },
 589
 590   {
 591     EL_NUT,                             -1,
 592     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 593     &li.score[SC_NUT],                  10
 594   },
 595
 596   {
 597     EL_DYNAMITE,                        -1,
 598     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 599     &li.score[SC_DYNAMITE],             10
 600   },
 601
 602   {
 603     EL_KEY_1,                           -1,
 604     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 605     &li.score[SC_KEY],                  10
 606   },
 607
 608   {
 609     EL_PEARL,                           -1,
 610     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 611     &li.score[SC_PEARL],                10
 612   },
 613
 614   {
 615     EL_CRYSTAL,                         -1,
 616     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 617     &li.score[SC_CRYSTAL],              10
 618   },
 619
 620   {
 621     EL_BD_AMOEBA,                       -1,
 622     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
 623     &li.amoeba_content,                 EL_DIAMOND
 624   },
 625   {
 626     EL_BD_AMOEBA,                       -1,
 627     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 628     &li.amoeba_speed,                   10
 629   },
 630   {
 631     EL_BD_AMOEBA,                       -1,
 632     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 633     &li.grow_into_diggable,             TRUE
 634   },
 635
 636   {
 637     EL_YAMYAM,                          -1,
 638     TYPE_CONTENT_LIST,                  CONF_VALUE_BYTES(1),
 639     &li.yamyam_content,                 EL_ROCK, NULL,
 640     &li.num_yamyam_contents,            4, MAX_ELEMENT_CONTENTS
 641   },
 642   {
 643     EL_YAMYAM,                          -1,
 644     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 645     &li.score[SC_YAMYAM],               10
 646   },
 647
 648   {
 649     EL_ROBOT,                           -1,
 650     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 651     &li.score[SC_ROBOT],                10
 652   },
 653   {
 654     EL_ROBOT,                           -1,
 655     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 656     &li.slurp_score,                    10
 657   },
 658
 659   {
 660     EL_ROBOT_WHEEL,                     -1,
 661     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 662     &li.time_wheel,                     10
 663   },
 664
 665   {
 666     EL_MAGIC_WALL,                      -1,
 667     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 668     &li.time_magic_wall,                10
 669   },
 670
 671   {
 672     EL_GAME_OF_LIFE,                    -1,
 673     TYPE_INTEGER,                       CONF_VALUE_8_BIT(1),
 674     &li.game_of_life[0],                2
 675   },
 676   {
 677     EL_GAME_OF_LIFE,                    -1,
 678     TYPE_INTEGER,                       CONF_VALUE_8_BIT(2),
 679     &li.game_of_life[1],                3
 680   },
 681   {
 682     EL_GAME_OF_LIFE,                    -1,
 683     TYPE_INTEGER,                       CONF_VALUE_8_BIT(3),
 684     &li.game_of_life[2],                3
 685   },
 686   {
 687     EL_GAME_OF_LIFE,                    -1,
 688     TYPE_INTEGER,                       CONF_VALUE_8_BIT(4),
 689     &li.game_of_life[3],                3
 690   },
 691   {
 692     EL_GAME_OF_LIFE,                    -1,
 693     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(5),
 694     &li.use_life_bugs,                  FALSE
 695   },
 696
 697   {
 698     EL_BIOMAZE,                         -1,
 699     TYPE_INTEGER,                       CONF_VALUE_8_BIT(1),
 700     &li.biomaze[0],                     2
 701   },
 702   {
 703     EL_BIOMAZE,                         -1,
 704     TYPE_INTEGER,                       CONF_VALUE_8_BIT(2),
 705     &li.biomaze[1],                     3
 706   },
 707   {
 708     EL_BIOMAZE,                         -1,
 709     TYPE_INTEGER,                       CONF_VALUE_8_BIT(3),
 710     &li.biomaze[2],                     3
 711   },
 712   {
 713     EL_BIOMAZE,                         -1,
 714     TYPE_INTEGER,                       CONF_VALUE_8_BIT(4),
 715     &li.biomaze[3],                     3
 716   },
 717
 718   {
 719     EL_TIMEGATE_SWITCH,                 -1,
 720     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 721     &li.time_timegate,                  10
 722   },
 723
 724   {
 725     EL_LIGHT_SWITCH_ACTIVE,             -1,
 726     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 727     &li.time_light,                     10
 728   },
 729
 730   {
 731     EL_SHIELD_NORMAL,                   -1,
 732     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 733     &li.shield_normal_time,             10
 734   },
 735   {
 736     EL_SHIELD_NORMAL,                   -1,
 737     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 738     &li.score[SC_SHIELD],               10
 739   },
 740
 741   {
 742     EL_SHIELD_DEADLY,                   -1,
 743     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 744     &li.shield_deadly_time,             10
 745   },
 746   {
 747     EL_SHIELD_DEADLY,                   -1,
 748     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 749     &li.score[SC_SHIELD],               10
 750   },
 751
 752   {
 753     EL_EXTRA_TIME,                      -1,
 754     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 755     &li.extra_time,                     10
 756   },
 757   {
 758     EL_EXTRA_TIME,                      -1,
 759     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 760     &li.extra_time_score,               10
 761   },
 762
 763   {
 764     EL_TIME_ORB_FULL,                   -1,
 765     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 766     &li.time_orb_time,                  10
 767   },
 768   {
 769     EL_TIME_ORB_FULL,                   -1,
 770     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 771     &li.use_time_orb_bug,               FALSE
 772   },
 773
 774   {
 775     EL_SPRING,                          -1,
 776     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 777     &li.use_spring_bug,                 FALSE
 778   },
 779
 780   {
 781     EL_EMC_ANDROID,                     -1,
 782     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 783     &li.android_move_time,              10
 784   },
 785   {
 786     EL_EMC_ANDROID,                     -1,
 787     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 788     &li.android_clone_time,             10
 789   },
 790   {
 791     EL_EMC_ANDROID,                     SAVE_CONF_NEVER,
 792     TYPE_ELEMENT_LIST,                  CONF_VALUE_BYTES(1),
 793     &li.android_clone_element[0],       EL_EMPTY, NULL,
 794     &li.num_android_clone_elements,     1, MAX_ANDROID_ELEMENTS_OLD
 795   },
 796   {
 797     EL_EMC_ANDROID,                     -1,
 798     TYPE_ELEMENT_LIST,                  CONF_VALUE_BYTES(2),
 799     &li.android_clone_element[0],       EL_EMPTY, NULL,
 800     &li.num_android_clone_elements,     1, MAX_ANDROID_ELEMENTS
 801   },
 802
 803   {
 804     EL_EMC_LENSES,                      -1,
 805     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 806     &li.lenses_score,                   10
 807   },
 808   {
 809     EL_EMC_LENSES,                      -1,
 810     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 811     &li.lenses_time,                    10
 812   },
 813
 814   {
 815     EL_EMC_MAGNIFIER,                   -1,
 816     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 817     &li.magnify_score,                  10
 818   },
 819   {
 820     EL_EMC_MAGNIFIER,                   -1,
 821     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
 822     &li.magnify_time,                   10
 823   },
 824
 825   {
 826     EL_EMC_MAGIC_BALL,                  -1,
 827     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 828     &li.ball_time,                      10
 829   },
 830   {
 831     EL_EMC_MAGIC_BALL,                  -1,
 832     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 833     &li.ball_random,                    FALSE
 834   },
 835   {
 836     EL_EMC_MAGIC_BALL,                  -1,
 837     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(2),
 838     &li.ball_active_initial,            FALSE
 839   },
 840   {
 841     EL_EMC_MAGIC_BALL,                  -1,
 842     TYPE_CONTENT_LIST,                  CONF_VALUE_BYTES(1),
 843     &li.ball_content,                   EL_EMPTY, NULL,
 844     &li.num_ball_contents,              4, MAX_ELEMENT_CONTENTS
 845   },
 846
 847   {
 848     EL_SOKOBAN_FIELD_EMPTY,             -1,
 849     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 850     &li.sb_fields_needed,               TRUE
 851   },
 852
 853   {
 854     EL_SOKOBAN_OBJECT,                  -1,
 855     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 856     &li.sb_objects_needed,              TRUE
 857   },
 858
 859   {
 860     EL_MM_MCDUFFIN,                     -1,
 861     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 862     &li.mm_laser_red,                   FALSE
 863   },
 864   {
 865     EL_MM_MCDUFFIN,                     -1,
 866     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(2),
 867     &li.mm_laser_green,                 FALSE
 868   },
 869   {
 870     EL_MM_MCDUFFIN,                     -1,
 871     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(3),
 872     &li.mm_laser_blue,                  TRUE
 873   },
 874
 875   {
 876     EL_DF_LASER,                        -1,
 877     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
 878     &li.df_laser_red,                   TRUE
 879   },
 880   {
 881     EL_DF_LASER,                        -1,
 882     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(2),
 883     &li.df_laser_green,                 TRUE
 884   },
 885   {
 886     EL_DF_LASER,                        -1,
 887     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(3),
 888     &li.df_laser_blue,                  FALSE
 889   },
 890
 891   {
 892     EL_MM_FUSE_ACTIVE,                  -1,
 893     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 894     &li.mm_time_fuse,                   25
 895   },
 896   {
 897     EL_MM_BOMB,                         -1,
 898     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 899     &li.mm_time_bomb,                   75
 900   },
 901   {
 902     EL_MM_GRAY_BALL,                    -1,
 903     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 904     &li.mm_time_ball,                   75
 905   },
 906   {
 907     EL_MM_STEEL_BLOCK,                  -1,
 908     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 909     &li.mm_time_block,                  75
 910   },
 911   {
 912     EL_MM_LIGHTBALL,                    -1,
 913     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 914     &li.score[SC_ELEM_BONUS],           10
 915   },
 916
 917   // ---------- unused values -------------------------------------------------
 918
 919   {
 920     EL_UNKNOWN,                         SAVE_CONF_NEVER,
 921     TYPE_INTEGER,                       CONF_VALUE_16_BIT(1),
 922     &li.score[SC_UNKNOWN_15],           10
 923   },
 924
 925   {
 926     -1,                                 -1,
 927     -1,                                 -1,
 928     NULL,                               -1
 929   }
 930 };
 931
 932 static struct LevelFileConfigInfo chunk_config_NOTE[] =
 933 {
 934   {
 935     -1,                                 -1,
 936     TYPE_INTEGER,                       CONF_VALUE_8_BIT(1),
 937     &xx_envelope.xsize,                 MAX_ENVELOPE_XSIZE,
 938   },
 939   {
 940     -1,                                 -1,
 941     TYPE_INTEGER,                       CONF_VALUE_8_BIT(2),
 942     &xx_envelope.ysize,                 MAX_ENVELOPE_YSIZE,
 943   },
 944
 945   {
 946     -1,                                 -1,
 947     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(3),
 948     &xx_envelope.autowrap,              FALSE
 949   },
 950   {
 951     -1,                                 -1,
 952     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(4),
 953     &xx_envelope.centered,              FALSE
 954   },
 955
 956   {
 957     -1,                                 -1,
 958     TYPE_STRING,                        CONF_VALUE_BYTES(1),
 959     &xx_envelope.text,                  -1, NULL,
 960     &xx_string_length_unused,           -1, MAX_ENVELOPE_TEXT_LEN,
 961     &xx_default_string_empty[0]
 962   },
 963
 964   {
 965     -1,                                 -1,
 966     -1,                                 -1,
 967     NULL,                               -1
 968   }
 969 };
 970
 971 static struct LevelFileConfigInfo chunk_config_CUSX_base[] =
 972 {
 973   {
 974     -1,                                 -1,
 975     TYPE_STRING,                        CONF_VALUE_BYTES(1),
 976     &xx_ei.description[0],              -1,
 977     &yy_ei.description[0],
 978     &xx_string_length_unused,           -1, MAX_ELEMENT_NAME_LEN,
 979     &xx_default_description[0]
 980   },
 981
 982   {
 983     -1,                                 -1,
 984     TYPE_BITFIELD,                      CONF_VALUE_32_BIT(1),
 985     &xx_ei.properties[EP_BITFIELD_BASE_NR], EP_BITMASK_BASE_DEFAULT,
 986     &yy_ei.properties[EP_BITFIELD_BASE_NR]
 987   },
 988 #if ENABLE_RESERVED_CODE
 989   // (reserved for later use)
 990   {
 991     -1,                                 -1,
 992     TYPE_BITFIELD,                      CONF_VALUE_32_BIT(2),
 993     &xx_ei.properties[EP_BITFIELD_BASE_NR + 1], EP_BITMASK_DEFAULT,
 994     &yy_ei.properties[EP_BITFIELD_BASE_NR + 1]
 995   },
 996 #endif
 997
 998   {
 999     -1,                                 -1,
1000     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
1001     &xx_ei.use_gfx_element,             FALSE,
1002     &yy_ei.use_gfx_element
1003   },
1004   {
1005     -1,                                 -1,
1006     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
1007     &xx_ei.gfx_element_initial,         EL_EMPTY_SPACE,
1008     &yy_ei.gfx_element_initial
1009   },
1010
1011   {
1012     -1,                                 -1,
1013     TYPE_BITFIELD,                      CONF_VALUE_8_BIT(2),
1014     &xx_ei.access_direction,            MV_ALL_DIRECTIONS,
1015     &yy_ei.access_direction
1016   },
1017
1018   {
1019     -1,                                 -1,
1020     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
1021     &xx_ei.collect_score_initial,       10,
1022     &yy_ei.collect_score_initial
1023   },
1024   {
1025     -1,                                 -1,
1026     TYPE_INTEGER,                       CONF_VALUE_16_BIT(3),
1027     &xx_ei.collect_count_initial,       1,
1028     &yy_ei.collect_count_initial
1029   },
1030
1031   {
1032     -1,                                 -1,
1033     TYPE_INTEGER,                       CONF_VALUE_16_BIT(4),
1034     &xx_ei.ce_value_fixed_initial,      0,
1035     &yy_ei.ce_value_fixed_initial
1036   },
1037   {
1038     -1,                                 -1,
1039     TYPE_INTEGER,                       CONF_VALUE_16_BIT(5),
1040     &xx_ei.ce_value_random_initial,     0,
1041     &yy_ei.ce_value_random_initial
1042   },
1043   {
1044     -1,                                 -1,
1045     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(3),
1046     &xx_ei.use_last_ce_value,           FALSE,
1047     &yy_ei.use_last_ce_value
1048   },
1049
1050   {
1051     -1,                                 -1,
1052     TYPE_INTEGER,                       CONF_VALUE_16_BIT(6),
1053     &xx_ei.push_delay_fixed,            8,
1054     &yy_ei.push_delay_fixed
1055   },
1056   {
1057     -1,                                 -1,
1058     TYPE_INTEGER,                       CONF_VALUE_16_BIT(7),
1059     &xx_ei.push_delay_random,           8,
1060     &yy_ei.push_delay_random
1061   },
1062   {
1063     -1,                                 -1,
1064     TYPE_INTEGER,                       CONF_VALUE_16_BIT(8),
1065     &xx_ei.drop_delay_fixed,            0,
1066     &yy_ei.drop_delay_fixed
1067   },
1068   {
1069     -1,                                 -1,
1070     TYPE_INTEGER,                       CONF_VALUE_16_BIT(9),
1071     &xx_ei.drop_delay_random,           0,
1072     &yy_ei.drop_delay_random
1073   },
1074   {
1075     -1,                                 -1,
1076     TYPE_INTEGER,                       CONF_VALUE_16_BIT(10),
1077     &xx_ei.move_delay_fixed,            0,
1078     &yy_ei.move_delay_fixed
1079   },
1080   {
1081     -1,                                 -1,
1082     TYPE_INTEGER,                       CONF_VALUE_16_BIT(11),
1083     &xx_ei.move_delay_random,           0,
1084     &yy_ei.move_delay_random
1085   },
1086   {
1087     -1,                                 -1,
1088     TYPE_INTEGER,                       CONF_VALUE_16_BIT(16),
1089     &xx_ei.step_delay_fixed,            0,
1090     &yy_ei.step_delay_fixed
1091   },
1092   {
1093     -1,                                 -1,
1094     TYPE_INTEGER,                       CONF_VALUE_16_BIT(17),
1095     &xx_ei.step_delay_random,           0,
1096     &yy_ei.step_delay_random
1097   },
1098
1099   {
1100     -1,                                 -1,
1101     TYPE_BITFIELD,                      CONF_VALUE_32_BIT(3),
1102     &xx_ei.move_pattern,                MV_ALL_DIRECTIONS,
1103     &yy_ei.move_pattern
1104   },
1105   {
1106     -1,                                 -1,
1107     TYPE_BITFIELD,                      CONF_VALUE_8_BIT(4),
1108     &xx_ei.move_direction_initial,      MV_START_AUTOMATIC,
1109     &yy_ei.move_direction_initial
1110   },
1111   {
1112     -1,                                 -1,
1113     TYPE_INTEGER,                       CONF_VALUE_8_BIT(5),
1114     &xx_ei.move_stepsize,               TILEX / 8,
1115     &yy_ei.move_stepsize
1116   },
1117
1118   {
1119     -1,                                 -1,
1120     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(12),
1121     &xx_ei.move_enter_element,          EL_EMPTY_SPACE,
1122     &yy_ei.move_enter_element
1123   },
1124   {
1125     -1,                                 -1,
1126     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(13),
1127     &xx_ei.move_leave_element,          EL_EMPTY_SPACE,
1128     &yy_ei.move_leave_element
1129   },
1130   {
1131     -1,                                 -1,
1132     TYPE_INTEGER,                       CONF_VALUE_8_BIT(6),
1133     &xx_ei.move_leave_type,             LEAVE_TYPE_UNLIMITED,
1134     &yy_ei.move_leave_type
1135   },
1136
1137   {
1138     -1,                                 -1,
1139     TYPE_INTEGER,                       CONF_VALUE_8_BIT(7),
1140     &xx_ei.slippery_type,               SLIPPERY_ANY_RANDOM,
1141     &yy_ei.slippery_type
1142   },
1143
1144   {
1145     -1,                                 -1,
1146     TYPE_INTEGER,                       CONF_VALUE_8_BIT(8),
1147     &xx_ei.explosion_type,              EXPLODES_3X3,
1148     &yy_ei.explosion_type
1149   },
1150   {
1151     -1,                                 -1,
1152     TYPE_INTEGER,                       CONF_VALUE_16_BIT(14),
1153     &xx_ei.explosion_delay,             16,
1154     &yy_ei.explosion_delay
1155   },
1156   {
1157     -1,                                 -1,
1158     TYPE_INTEGER,                       CONF_VALUE_16_BIT(15),
1159     &xx_ei.ignition_delay,              8,
1160     &yy_ei.ignition_delay
1161   },
1162
1163   {
1164     -1,                                 -1,
1165     TYPE_CONTENT_LIST,                  CONF_VALUE_BYTES(2),
1166     &xx_ei.content,                     EL_EMPTY_SPACE,
1167     &yy_ei.content,
1168     &xx_num_contents,                   1, 1
1169   },
1170
1171   // ---------- "num_change_pages" must be the last entry ---------------------
1172
1173   {
1174     -1,                                 SAVE_CONF_ALWAYS,
1175     TYPE_INTEGER,                       CONF_VALUE_8_BIT(9),
1176     &xx_ei.num_change_pages,            1,
1177     &yy_ei.num_change_pages
1178   },
1179
1180   {
1181     -1,                                 -1,
1182     -1,                                 -1,
1183     NULL,                               -1,
1184     NULL
1185   }
1186 };
1187
1188 static struct LevelFileConfigInfo chunk_config_CUSX_change[] =
1189 {
1190   // ---------- "current_change_page" must be the first entry -----------------
1191
1192   {
1193     -1,                                 SAVE_CONF_ALWAYS,
1194     TYPE_INTEGER,                       CONF_VALUE_8_BIT(1),
1195     &xx_current_change_page,            -1
1196   },
1197
1198   // ---------- (the remaining entries can be in any order) -------------------
1199
1200   {
1201     -1,                                 -1,
1202     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(2),
1203     &xx_change.can_change,              FALSE
1204   },
1205
1206   {
1207     -1,                                 -1,
1208     TYPE_BITFIELD,                      CONF_VALUE_32_BIT(1),
1209     &xx_event_bits[0],                  0
1210   },
1211   {
1212     -1,                                 -1,
1213     TYPE_BITFIELD,                      CONF_VALUE_32_BIT(2),
1214     &xx_event_bits[1],                  0
1215   },
1216
1217   {
1218     -1,                                 -1,
1219     TYPE_BITFIELD,                      CONF_VALUE_8_BIT(3),
1220     &xx_change.trigger_player,          CH_PLAYER_ANY
1221   },
1222   {
1223     -1,                                 -1,
1224     TYPE_BITFIELD,                      CONF_VALUE_8_BIT(4),
1225     &xx_change.trigger_side,            CH_SIDE_ANY
1226   },
1227   {
1228     -1,                                 -1,
1229     TYPE_BITFIELD,                      CONF_VALUE_32_BIT(3),
1230     &xx_change.trigger_page,            CH_PAGE_ANY
1231   },
1232
1233   {
1234     -1,                                 -1,
1235     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
1236     &xx_change.target_element,          EL_EMPTY_SPACE
1237   },
1238
1239   {
1240     -1,                                 -1,
1241     TYPE_INTEGER,                       CONF_VALUE_16_BIT(2),
1242     &xx_change.delay_fixed,             0
1243   },
1244   {
1245     -1,                                 -1,
1246     TYPE_INTEGER,                       CONF_VALUE_16_BIT(3),
1247     &xx_change.delay_random,            0
1248   },
1249   {
1250     -1,                                 -1,
1251     TYPE_INTEGER,                       CONF_VALUE_16_BIT(4),
1252     &xx_change.delay_frames,            FRAMES_PER_SECOND
1253   },
1254
1255   {
1256     -1,                                 -1,
1257     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(5),
1258     &xx_change.initial_trigger_element, EL_EMPTY_SPACE
1259   },
1260
1261   {
1262     -1,                                 -1,
1263     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(6),
1264     &xx_change.explode,                 FALSE
1265   },
1266   {
1267     -1,                                 -1,
1268     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(7),
1269     &xx_change.use_target_content,      FALSE
1270   },
1271   {
1272     -1,                                 -1,
1273     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(8),
1274     &xx_change.only_if_complete,        FALSE
1275   },
1276   {
1277     -1,                                 -1,
1278     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(9),
1279     &xx_change.use_random_replace,      FALSE
1280   },
1281   {
1282     -1,                                 -1,
1283     TYPE_INTEGER,                       CONF_VALUE_8_BIT(10),
1284     &xx_change.random_percentage,       100
1285   },
1286   {
1287     -1,                                 -1,
1288     TYPE_INTEGER,                       CONF_VALUE_8_BIT(11),
1289     &xx_change.replace_when,            CP_WHEN_EMPTY
1290   },
1291
1292   {
1293     -1,                                 -1,
1294     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(12),
1295     &xx_change.has_action,              FALSE
1296   },
1297   {
1298     -1,                                 -1,
1299     TYPE_INTEGER,                       CONF_VALUE_8_BIT(13),
1300     &xx_change.action_type,             CA_NO_ACTION
1301   },
1302   {
1303     -1,                                 -1,
1304     TYPE_INTEGER,                       CONF_VALUE_8_BIT(14),
1305     &xx_change.action_mode,             CA_MODE_UNDEFINED
1306   },
1307   {
1308     -1,                                 -1,
1309     TYPE_INTEGER,                       CONF_VALUE_16_BIT(6),
1310     &xx_change.action_arg,              CA_ARG_UNDEFINED
1311   },
1312
1313   {
1314     -1,                                 -1,
1315     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(7),
1316     &xx_change.action_element,          EL_EMPTY_SPACE
1317   },
1318
1319   {
1320     -1,                                 -1,
1321     TYPE_CONTENT_LIST,                  CONF_VALUE_BYTES(1),
1322     &xx_change.target_content,          EL_EMPTY_SPACE, NULL,
1323     &xx_num_contents,                   1, 1
1324   },
1325
1326   {
1327     -1,                                 -1,
1328     -1,                                 -1,
1329     NULL,                               -1
1330   }
1331 };
1332
1333 static struct LevelFileConfigInfo chunk_config_GRPX[] =
1334 {
1335   {
1336     -1,                                 -1,
1337     TYPE_STRING,                        CONF_VALUE_BYTES(1),
1338     &xx_ei.description[0],              -1, NULL,
1339     &xx_string_length_unused,           -1, MAX_ELEMENT_NAME_LEN,
1340     &xx_default_description[0]
1341   },
1342
1343   {
1344     -1,                                 -1,
1345     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(1),
1346     &xx_ei.use_gfx_element,             FALSE
1347   },
1348   {
1349     -1,                                 -1,
1350     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
1351     &xx_ei.gfx_element_initial,         EL_EMPTY_SPACE
1352   },
1353
1354   {
1355     -1,                                 -1,
1356     TYPE_INTEGER,                       CONF_VALUE_8_BIT(2),
1357     &xx_group.choice_mode,              ANIM_RANDOM
1358   },
1359
1360   {
1361     -1,                                 -1,
1362     TYPE_ELEMENT_LIST,                  CONF_VALUE_BYTES(2),
1363     &xx_group.element[0],               EL_EMPTY_SPACE, NULL,
1364     &xx_group.num_elements,             1, MAX_ELEMENTS_IN_GROUP
1365   },
1366
1367   {
1368     -1,                                 -1,
1369     -1,                                 -1,
1370     NULL,                               -1
1371   }
1372 };
1373
1374 static struct LevelFileConfigInfo chunk_config_CONF[] =         // (OBSOLETE)
1375 {
1376   {
1377     EL_PLAYER_1,                        -1,
1378     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(9),
1379     &li.block_snap_field,               TRUE
1380   },
1381   {
1382     EL_PLAYER_1,                        -1,
1383     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(13),
1384     &li.continuous_snapping,            TRUE
1385   },
1386   {
1387     EL_PLAYER_1,                        -1,
1388     TYPE_INTEGER,                       CONF_VALUE_8_BIT(1),
1389     &li.initial_player_stepsize[0],     STEPSIZE_NORMAL
1390   },
1391   {
1392     EL_PLAYER_1,                        -1,
1393     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(10),
1394     &li.use_start_element[0],           FALSE
1395   },
1396   {
1397     EL_PLAYER_1,                        -1,
1398     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(1),
1399     &li.start_element[0],               EL_PLAYER_1
1400   },
1401   {
1402     EL_PLAYER_1,                        -1,
1403     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(11),
1404     &li.use_artwork_element[0],         FALSE
1405   },
1406   {
1407     EL_PLAYER_1,                        -1,
1408     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(2),
1409     &li.artwork_element[0],             EL_PLAYER_1
1410   },
1411   {
1412     EL_PLAYER_1,                        -1,
1413     TYPE_BOOLEAN,                       CONF_VALUE_8_BIT(12),
1414     &li.use_explosion_element[0],       FALSE
1415   },
1416   {
1417     EL_PLAYER_1,                        -1,
1418     TYPE_ELEMENT,                       CONF_VALUE_16_BIT(3),
1419     &li.explosion_element[0],           EL_PLAYER_1
1420   },
1421
1422   {
1423     -1,                                 -1,
1424     -1,                                 -1,
1425     NULL,                               -1
1426   }
1427 };
1428
1429 static struct
1430 {
1431   int filetype;
1432   char *id;
1433 }
1434 filetype_id_list[] =
1435 {
1436   { LEVEL_FILE_TYPE_RND,        "RND"   },
1437   { LEVEL_FILE_TYPE_BD,         "BD"    },
1438   { LEVEL_FILE_TYPE_EM,         "EM"    },
1439   { LEVEL_FILE_TYPE_SP,         "SP"    },
1440   { LEVEL_FILE_TYPE_DX,         "DX"    },
1441   { LEVEL_FILE_TYPE_SB,         "SB"    },
1442   { LEVEL_FILE_TYPE_DC,         "DC"    },
1443   { LEVEL_FILE_TYPE_MM,         "MM"    },
1444   { LEVEL_FILE_TYPE_MM,         "DF"    },
1445   { -1,                         NULL    },
1446 };
1447
1448
1449 // ============================================================================
1450 // level file functions
1451 // ============================================================================
1452
1453 static boolean check_special_flags(char *flag)
1454 {
1455   if (strEqual(options.special_flags, flag) ||
1456       strEqual(leveldir_current->special_flags, flag))
1457     return TRUE;
1458
1459   return FALSE;
1460 }
1461
1462 static struct DateInfo getCurrentDate(void)
1463 {
1464   time_t epoch_seconds = time(NULL);
1465   struct tm *now = localtime(&epoch_seconds);
1466   struct DateInfo date;
1467
1468   date.year  = now->tm_year + 1900;
1469   date.month = now->tm_mon  + 1;
1470   date.day   = now->tm_mday;
1471
1472   date.src   = DATE_SRC_CLOCK;
1473
1474   return date;
1475 }
1476
1477 static void resetEventFlags(struct ElementChangeInfo *change)
1478 {
1479   int i;
1480
1481   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
1482     change->has_event[i] = FALSE;
1483 }
1484
1485 static void resetEventBits(void)
1486 {
1487   int i;
1488
1489   for (i = 0; i < NUM_CE_BITFIELDS; i++)
1490     xx_event_bits[i] = 0;
1491 }
1492
1493 static void setEventFlagsFromEventBits(struct ElementChangeInfo *change)
1494 {
1495   int i;
1496
1497   /* important: only change event flag if corresponding event bit is set
1498      (this is because all xx_event_bits[] values are loaded separately,
1499      and all xx_event_bits[] values are set back to zero before loading
1500      another value xx_event_bits[x] (each value representing 32 flags)) */
1501
1502   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
1503     if (xx_event_bits[CH_EVENT_BITFIELD_NR(i)] & CH_EVENT_BIT(i))
1504       change->has_event[i] = TRUE;
1505 }
1506
1507 static void setEventBitsFromEventFlags(struct ElementChangeInfo *change)
1508 {
1509   int i;
1510
1511   /* in contrast to the above function setEventFlagsFromEventBits(), it
1512      would also be possible to set all bits in xx_event_bits[] to 0 or 1
1513      depending on the corresponding change->has_event[i] values here, as
1514      all xx_event_bits[] values are reset in resetEventBits() before */
1515
1516   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
1517     if (change->has_event[i])
1518       xx_event_bits[CH_EVENT_BITFIELD_NR(i)] |= CH_EVENT_BIT(i);
1519 }
1520
1521 static char *getDefaultElementDescription(struct ElementInfo *ei)
1522 {
1523   static char description[MAX_ELEMENT_NAME_LEN + 1];
1524   char *default_description = (ei->custom_description != NULL ?
1525                                ei->custom_description :
1526                                ei->editor_description);
1527   int i;
1528
1529   // always start with reliable default values
1530   for (i = 0; i < MAX_ELEMENT_NAME_LEN + 1; i++)
1531     description[i] = '\0';
1532
1533   // truncate element description to MAX_ELEMENT_NAME_LEN bytes
1534   strncpy(description, default_description, MAX_ELEMENT_NAME_LEN);
1535
1536   return &description[0];
1537 }
1538
1539 static void setElementDescriptionToDefault(struct ElementInfo *ei)
1540 {
1541   char *default_description = getDefaultElementDescription(ei);
1542   int i;
1543
1544   for (i = 0; i < MAX_ELEMENT_NAME_LEN + 1; i++)
1545     ei->description[i] = default_description[i];
1546 }
1547
1548 static void setConfigToDefaultsFromConfigList(struct LevelFileConfigInfo *conf)
1549 {
1550   int i;
1551
1552   for (i = 0; conf[i].data_type != -1; i++)
1553   {
1554     int default_value = conf[i].default_value;
1555     int data_type = conf[i].data_type;
1556     int conf_type = conf[i].conf_type;
1557     int byte_mask = conf_type & CONF_MASK_BYTES;
1558
1559     if (byte_mask == CONF_MASK_MULTI_BYTES)
1560     {
1561       int default_num_entities = conf[i].default_num_entities;
1562       int max_num_entities = conf[i].max_num_entities;
1563
1564       *(int *)(conf[i].num_entities) = default_num_entities;
1565
1566       if (data_type == TYPE_STRING)
1567       {
1568         char *default_string = conf[i].default_string;
1569         char *string = (char *)(conf[i].value);
1570
1571         strncpy(string, default_string, max_num_entities);
1572       }
1573       else if (data_type == TYPE_ELEMENT_LIST)
1574       {
1575         int *element_array = (int *)(conf[i].value);
1576         int j;
1577
1578         for (j = 0; j < max_num_entities; j++)
1579           element_array[j] = default_value;
1580       }
1581       else if (data_type == TYPE_CONTENT_LIST)
1582       {
1583         struct Content *content = (struct Content *)(conf[i].value);
1584         int c, x, y;
1585
1586         for (c = 0; c < max_num_entities; c++)
1587           for (y = 0; y < 3; y++)
1588             for (x = 0; x < 3; x++)
1589               content[c].e[x][y] = default_value;
1590       }
1591     }
1592     else        // constant size configuration data (1, 2 or 4 bytes)
1593     {
1594       if (data_type == TYPE_BOOLEAN)
1595         *(boolean *)(conf[i].value) = default_value;
1596       else
1597         *(int *)    (conf[i].value) = default_value;
1598     }
1599   }
1600 }
1601
1602 static void copyConfigFromConfigList(struct LevelFileConfigInfo *conf)
1603 {
1604   int i;
1605
1606   for (i = 0; conf[i].data_type != -1; i++)
1607   {
1608     int data_type = conf[i].data_type;
1609     int conf_type = conf[i].conf_type;
1610     int byte_mask = conf_type & CONF_MASK_BYTES;
1611
1612     if (byte_mask == CONF_MASK_MULTI_BYTES)
1613     {
1614       int max_num_entities = conf[i].max_num_entities;
1615
1616       if (data_type == TYPE_STRING)
1617       {
1618         char *string      = (char *)(conf[i].value);
1619         char *string_copy = (char *)(conf[i].value_copy);
1620
1621         strncpy(string_copy, string, max_num_entities);
1622       }
1623       else if (data_type == TYPE_ELEMENT_LIST)
1624       {
1625         int *element_array      = (int *)(conf[i].value);
1626         int *element_array_copy = (int *)(conf[i].value_copy);
1627         int j;
1628
1629         for (j = 0; j < max_num_entities; j++)
1630           element_array_copy[j] = element_array[j];
1631       }
1632       else if (data_type == TYPE_CONTENT_LIST)
1633       {
1634         struct Content *content      = (struct Content *)(conf[i].value);
1635         struct Content *content_copy = (struct Content *)(conf[i].value_copy);
1636         int c, x, y;
1637
1638         for (c = 0; c < max_num_entities; c++)
1639           for (y = 0; y < 3; y++)
1640             for (x = 0; x < 3; x++)
1641               content_copy[c].e[x][y] = content[c].e[x][y];
1642       }
1643     }
1644     else        // constant size configuration data (1, 2 or 4 bytes)
1645     {
1646       if (data_type == TYPE_BOOLEAN)
1647         *(boolean *)(conf[i].value_copy) = *(boolean *)(conf[i].value);
1648       else
1649         *(int *)    (conf[i].value_copy) = *(int *)    (conf[i].value);
1650     }
1651   }
1652 }
1653
1654 void copyElementInfo(struct ElementInfo *ei_from, struct ElementInfo *ei_to)
1655 {
1656   int i;
1657
1658   xx_ei = *ei_from;     // copy element data into temporary buffer
1659   yy_ei = *ei_to;       // copy element data into temporary buffer
1660
1661   copyConfigFromConfigList(chunk_config_CUSX_base);
1662
1663   *ei_from = xx_ei;
1664   *ei_to   = yy_ei;
1665
1666   // ---------- reinitialize and copy change pages ----------
1667
1668   ei_to->num_change_pages = ei_from->num_change_pages;
1669   ei_to->current_change_page = ei_from->current_change_page;
1670
1671   setElementChangePages(ei_to, ei_to->num_change_pages);
1672
1673   for (i = 0; i < ei_to->num_change_pages; i++)
1674     ei_to->change_page[i] = ei_from->change_page[i];
1675
1676   // ---------- copy group element info ----------
1677   if (ei_from->group != NULL && ei_to->group != NULL)   // group or internal
1678     *ei_to->group = *ei_from->group;
1679
1680   // mark this custom element as modified
1681   ei_to->modified_settings = TRUE;
1682 }
1683
1684 void setElementChangePages(struct ElementInfo *ei, int change_pages)
1685 {
1686   int change_page_size = sizeof(struct ElementChangeInfo);
1687
1688   ei->num_change_pages = MAX(1, change_pages);
1689
1690   ei->change_page =
1691     checked_realloc(ei->change_page, ei->num_change_pages * change_page_size);
1692
1693   if (ei->current_change_page >= ei->num_change_pages)
1694     ei->current_change_page = ei->num_change_pages - 1;
1695
1696   ei->change = &ei->change_page[ei->current_change_page];
1697 }
1698
1699 void setElementChangeInfoToDefaults(struct ElementChangeInfo *change)
1700 {
1701   xx_change = *change;          // copy change data into temporary buffer
1702
1703   setConfigToDefaultsFromConfigList(chunk_config_CUSX_change);
1704
1705   *change = xx_change;
1706
1707   resetEventFlags(change);
1708
1709   change->direct_action = 0;
1710   change->other_action = 0;
1711
1712   change->pre_change_function = NULL;
1713   change->change_function = NULL;
1714   change->post_change_function = NULL;
1715 }
1716
1717 static void setLevelInfoToDefaults_Level(struct LevelInfo *level)
1718 {
1719   int i, x, y;
1720
1721   li = *level;          // copy level data into temporary buffer
1722   setConfigToDefaultsFromConfigList(chunk_config_INFO);
1723   *level = li;          // copy temporary buffer back to level data
1724
1725   setLevelInfoToDefaults_EM();
1726   setLevelInfoToDefaults_SP();
1727   setLevelInfoToDefaults_MM();
1728
1729   level->native_em_level = &native_em_level;
1730   level->native_sp_level = &native_sp_level;
1731   level->native_mm_level = &native_mm_level;
1732
1733   level->file_version = FILE_VERSION_ACTUAL;
1734   level->game_version = GAME_VERSION_ACTUAL;
1735
1736   level->creation_date = getCurrentDate();
1737
1738   level->encoding_16bit_field  = TRUE;
1739   level->encoding_16bit_yamyam = TRUE;
1740   level->encoding_16bit_amoeba = TRUE;
1741
1742   // clear level name and level author string buffers
1743   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
1744     level->name[i] = '\0';
1745   for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++)
1746     level->author[i] = '\0';
1747
1748   // set level name and level author to default values
1749   strcpy(level->name, NAMELESS_LEVEL_NAME);
1750   strcpy(level->author, ANONYMOUS_NAME);
1751
1752   // set level playfield to playable default level with player and exit
1753   for (x = 0; x < MAX_LEV_FIELDX; x++)
1754     for (y = 0; y < MAX_LEV_FIELDY; y++)
1755       level->field[x][y] = EL_SAND;
1756
1757   level->field[0][0] = EL_PLAYER_1;
1758   level->field[STD_LEV_FIELDX - 1][STD_LEV_FIELDY - 1] = EL_EXIT_CLOSED;
1759
1760   BorderElement = EL_STEELWALL;
1761
1762   // detect custom elements when loading them
1763   level->file_has_custom_elements = FALSE;
1764
1765   // set all bug compatibility flags to "false" => do not emulate this bug
1766   level->use_action_after_change_bug = FALSE;
1767
1768   if (leveldir_current)
1769   {
1770     // try to determine better author name than 'anonymous'
1771     if (!strEqual(leveldir_current->author, ANONYMOUS_NAME))
1772     {
1773       strncpy(level->author, leveldir_current->author, MAX_LEVEL_AUTHOR_LEN);
1774       level->author[MAX_LEVEL_AUTHOR_LEN] = '\0';
1775     }
1776     else
1777     {
1778       switch (LEVELCLASS(leveldir_current))
1779       {
1780         case LEVELCLASS_TUTORIAL:
1781           strcpy(level->author, PROGRAM_AUTHOR_STRING);
1782           break;
1783
1784         case LEVELCLASS_CONTRIB:
1785           strncpy(level->author, leveldir_current->name, MAX_LEVEL_AUTHOR_LEN);
1786           level->author[MAX_LEVEL_AUTHOR_LEN] = '\0';
1787           break;
1788
1789         case LEVELCLASS_PRIVATE:
1790           strncpy(level->author, getRealName(), MAX_LEVEL_AUTHOR_LEN);
1791           level->author[MAX_LEVEL_AUTHOR_LEN] = '\0';
1792           break;
1793
1794         default:
1795           // keep default value
1796           break;
1797       }
1798     }
1799   }
1800 }
1801
1802 static void setLevelInfoToDefaults_Elements(struct LevelInfo *level)
1803 {
1804   static boolean clipboard_elements_initialized = FALSE;
1805   int i;
1806
1807   InitElementPropertiesStatic();
1808
1809   li = *level;          // copy level data into temporary buffer
1810   setConfigToDefaultsFromConfigList(chunk_config_ELEM);
1811   *level = li;          // copy temporary buffer back to level data
1812
1813   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
1814   {
1815     int element = i;
1816     struct ElementInfo *ei = &element_info[element];
1817
1818     // never initialize clipboard elements after the very first time
1819     // (to be able to use clipboard elements between several levels)
1820     if (IS_CLIPBOARD_ELEMENT(element) && clipboard_elements_initialized)
1821       continue;
1822
1823     if (IS_ENVELOPE(element))
1824     {
1825       int envelope_nr = element - EL_ENVELOPE_1;
1826
1827       setConfigToDefaultsFromConfigList(chunk_config_NOTE);
1828
1829       level->envelope[envelope_nr] = xx_envelope;
1830     }
1831
1832     if (IS_CUSTOM_ELEMENT(element) ||
1833         IS_GROUP_ELEMENT(element) ||
1834         IS_INTERNAL_ELEMENT(element))
1835     {
1836       xx_ei = *ei;      // copy element data into temporary buffer
1837
1838       setConfigToDefaultsFromConfigList(chunk_config_CUSX_base);
1839
1840       *ei = xx_ei;
1841     }
1842
1843     setElementChangePages(ei, 1);
1844     setElementChangeInfoToDefaults(ei->change);
1845
1846     if (IS_CUSTOM_ELEMENT(element) ||
1847         IS_GROUP_ELEMENT(element) ||
1848         IS_INTERNAL_ELEMENT(element))
1849     {
1850       setElementDescriptionToDefault(ei);
1851
1852       ei->modified_settings = FALSE;
1853     }
1854
1855     if (IS_CUSTOM_ELEMENT(element) ||
1856         IS_INTERNAL_ELEMENT(element))
1857     {
1858       // internal values used in level editor
1859
1860       ei->access_type = 0;
1861       ei->access_layer = 0;
1862       ei->access_protected = 0;
1863       ei->walk_to_action = 0;
1864       ei->smash_targets = 0;
1865       ei->deadliness = 0;
1866
1867       ei->can_explode_by_fire = FALSE;
1868       ei->can_explode_smashed = FALSE;
1869       ei->can_explode_impact = FALSE;
1870
1871       ei->current_change_page = 0;
1872     }
1873
1874     if (IS_GROUP_ELEMENT(element) ||
1875         IS_INTERNAL_ELEMENT(element))
1876     {
1877       struct ElementGroupInfo *group;
1878
1879       // initialize memory for list of elements in group
1880       if (ei->group == NULL)
1881         ei->group = checked_malloc(sizeof(struct ElementGroupInfo));
1882
1883       group = ei->group;
1884
1885       xx_group = *group;        // copy group data into temporary buffer
1886
1887       setConfigToDefaultsFromConfigList(chunk_config_GRPX);
1888
1889       *group = xx_group;
1890     }
1891   }
1892
1893   clipboard_elements_initialized = TRUE;
1894 }
1895
1896 static void setLevelInfoToDefaults(struct LevelInfo *level,
1897                                    boolean level_info_only,
1898                                    boolean reset_file_status)
1899 {
1900   setLevelInfoToDefaults_Level(level);
1901
1902   if (!level_info_only)
1903     setLevelInfoToDefaults_Elements(level);
1904
1905   if (reset_file_status)
1906   {
1907     level->no_valid_file = FALSE;
1908     level->no_level_file = FALSE;
1909   }
1910
1911   level->changed = FALSE;
1912 }
1913
1914 static void setFileInfoToDefaults(struct LevelFileInfo *level_file_info)
1915 {
1916   level_file_info->nr = 0;
1917   level_file_info->type = LEVEL_FILE_TYPE_UNKNOWN;
1918   level_file_info->packed = FALSE;
1919
1920   setString(&level_file_info->basename, NULL);
1921   setString(&level_file_info->filename, NULL);
1922 }
1923
1924 int getMappedElement_SB(int, boolean);
1925
1926 static void ActivateLevelTemplate(void)
1927 {
1928   int x, y;
1929
1930   if (check_special_flags("load_xsb_to_ces"))
1931   {
1932     // fill smaller playfields with padding "beyond border wall" elements
1933     if (level.fieldx < level_template.fieldx ||
1934         level.fieldy < level_template.fieldy)
1935     {
1936       short field[level.fieldx][level.fieldy];
1937       int new_fieldx = MAX(level.fieldx, level_template.fieldx);
1938       int new_fieldy = MAX(level.fieldy, level_template.fieldy);
1939       int pos_fieldx = (new_fieldx - level.fieldx) / 2;
1940       int pos_fieldy = (new_fieldy - level.fieldy) / 2;
1941
1942       // copy old playfield (which is smaller than the visible area)
1943       for (y = 0; y < level.fieldy; y++) for (x = 0; x < level.fieldx; x++)
1944         field[x][y] = level.field[x][y];
1945
1946       // fill new, larger playfield with "beyond border wall" elements
1947       for (y = 0; y < new_fieldy; y++) for (x = 0; x < new_fieldx; x++)
1948         level.field[x][y] = getMappedElement_SB('_', TRUE);
1949
1950       // copy the old playfield to the middle of the new playfield
1951       for (y = 0; y < level.fieldy; y++) for (x = 0; x < level.fieldx; x++)
1952         level.field[pos_fieldx + x][pos_fieldy + y] = field[x][y];
1953
1954       level.fieldx = new_fieldx;
1955       level.fieldy = new_fieldy;
1956     }
1957   }
1958
1959   // Currently there is no special action needed to activate the template
1960   // data, because 'element_info' property settings overwrite the original
1961   // level data, while all other variables do not change.
1962
1963   // Exception: 'from_level_template' elements in the original level playfield
1964   // are overwritten with the corresponding elements at the same position in
1965   // playfield from the level template.
1966
1967   for (x = 0; x < level.fieldx; x++)
1968     for (y = 0; y < level.fieldy; y++)
1969       if (level.field[x][y] == EL_FROM_LEVEL_TEMPLATE)
1970         level.field[x][y] = level_template.field[x][y];
1971
1972   if (check_special_flags("load_xsb_to_ces"))
1973   {
1974     struct LevelInfo level_backup = level;
1975
1976     // overwrite all individual level settings from template level settings
1977     level = level_template;
1978
1979     // restore level file info
1980     level.file_info = level_backup.file_info;
1981
1982     // restore playfield size
1983     level.fieldx = level_backup.fieldx;
1984     level.fieldy = level_backup.fieldy;
1985
1986     // restore playfield content
1987     for (x = 0; x < level.fieldx; x++)
1988       for (y = 0; y < level.fieldy; y++)
1989         level.field[x][y] = level_backup.field[x][y];
1990
1991     // restore name and author from individual level
1992     strcpy(level.name,   level_backup.name);
1993     strcpy(level.author, level_backup.author);
1994
1995     // restore flag "use_custom_template"
1996     level.use_custom_template = level_backup.use_custom_template;
1997   }
1998 }
1999
2000 static char *getLevelFilenameFromBasename(char *basename)
2001 {
2002   static char *filename = NULL;
2003
2004   checked_free(filename);
2005
2006   filename = getPath2(getCurrentLevelDir(), basename);
2007
2008   return filename;
2009 }
2010
2011 static int getFileTypeFromBasename(char *basename)
2012 {
2013   // !!! ALSO SEE COMMENT IN checkForPackageFromBasename() !!!
2014
2015   static char *filename = NULL;
2016   struct stat file_status;
2017
2018   // ---------- try to determine file type from filename ----------
2019
2020   // check for typical filename of a Supaplex level package file
2021   if (strlen(basename) == 10 && strPrefixLower(basename, "levels.d"))
2022     return LEVEL_FILE_TYPE_SP;
2023
2024   // check for typical filename of a Diamond Caves II level package file
2025   if (strSuffixLower(basename, ".dc") ||
2026       strSuffixLower(basename, ".dc2"))
2027     return LEVEL_FILE_TYPE_DC;
2028
2029   // check for typical filename of a Sokoban level package file
2030   if (strSuffixLower(basename, ".xsb") &&
2031       strchr(basename, '%') == NULL)
2032     return LEVEL_FILE_TYPE_SB;
2033
2034   // ---------- try to determine file type from filesize ----------
2035
2036   checked_free(filename);
2037   filename = getPath2(getCurrentLevelDir(), basename);
2038
2039   if (stat(filename, &file_status) == 0)
2040   {
2041     // check for typical filesize of a Supaplex level package file
2042     if (file_status.st_size == 170496)
2043       return LEVEL_FILE_TYPE_SP;
2044   }
2045
2046   return LEVEL_FILE_TYPE_UNKNOWN;
2047 }
2048
2049 static int getFileTypeFromMagicBytes(char *filename, int type)
2050 {
2051   File *file;
2052
2053   if ((file = openFile(filename, MODE_READ)))
2054   {
2055     char chunk_name[CHUNK_ID_LEN + 1];
2056
2057     getFileChunkBE(file, chunk_name, NULL);
2058
2059     if (strEqual(chunk_name, "MMII") ||
2060         strEqual(chunk_name, "MIRR"))
2061       type = LEVEL_FILE_TYPE_MM;
2062
2063     closeFile(file);
2064   }
2065
2066   return type;
2067 }
2068
2069 static boolean checkForPackageFromBasename(char *basename)
2070 {
2071   // !!! WON'T WORK ANYMORE IF getFileTypeFromBasename() ALSO DETECTS !!!
2072   // !!! SINGLE LEVELS (CURRENTLY ONLY DETECTS LEVEL PACKAGES         !!!
2073
2074   return (getFileTypeFromBasename(basename) != LEVEL_FILE_TYPE_UNKNOWN);
2075 }
2076
2077 static char *getSingleLevelBasenameExt(int nr, char *extension)
2078 {
2079   static char basename[MAX_FILENAME_LEN];
2080
2081   if (nr < 0)
2082     sprintf(basename, "%s", LEVELTEMPLATE_FILENAME);
2083   else
2084     sprintf(basename, "%03d.%s", nr, extension);
2085
2086   return basename;
2087 }
2088
2089 static char *getSingleLevelBasename(int nr)
2090 {
2091   return getSingleLevelBasenameExt(nr, LEVELFILE_EXTENSION);
2092 }
2093
2094 static char *getPackedLevelBasename(int type)
2095 {
2096   static char basename[MAX_FILENAME_LEN];
2097   char *directory = getCurrentLevelDir();
2098   Directory *dir;
2099   DirectoryEntry *dir_entry;
2100
2101   strcpy(basename, UNDEFINED_FILENAME);         // default: undefined file
2102
2103   if ((dir = openDirectory(directory)) == NULL)
2104   {
2105     Warn("cannot read current level directory '%s'", directory);
2106
2107     return basename;
2108   }
2109
2110   while ((dir_entry = readDirectory(dir)) != NULL)      // loop all entries
2111   {
2112     char *entry_basename = dir_entry->basename;
2113     int entry_type = getFileTypeFromBasename(entry_basename);
2114
2115     if (entry_type != LEVEL_FILE_TYPE_UNKNOWN)  // found valid level package
2116     {
2117       if (type == LEVEL_FILE_TYPE_UNKNOWN ||
2118           type == entry_type)
2119       {
2120         strcpy(basename, entry_basename);
2121
2122         break;
2123       }
2124     }
2125   }
2126
2127   closeDirectory(dir);
2128
2129   return basename;
2130 }
2131
2132 static char *getSingleLevelFilename(int nr)
2133 {
2134   return getLevelFilenameFromBasename(getSingleLevelBasename(nr));
2135 }
2136
2137 #if ENABLE_UNUSED_CODE
2138 static char *getPackedLevelFilename(int type)
2139 {
2140   return getLevelFilenameFromBasename(getPackedLevelBasename(type));
2141 }
2142 #endif
2143
2144 char *getDefaultLevelFilename(int nr)
2145 {
2146   return getSingleLevelFilename(nr);
2147 }
2148
2149 #if ENABLE_UNUSED_CODE
2150 static void setLevelFileInfo_SingleLevelFilename(struct LevelFileInfo *lfi,
2151                                                  int type)
2152 {
2153   lfi->type = type;
2154   lfi->packed = FALSE;
2155
2156   setString(&lfi->basename, getSingleLevelBasename(lfi->nr, lfi->type));
2157   setString(&lfi->filename, getLevelFilenameFromBasename(lfi->basename));
2158 }
2159 #endif
2160
2161 static void setLevelFileInfo_FormatLevelFilename(struct LevelFileInfo *lfi,
2162                                                  int type, char *format, ...)
2163 {
2164   static char basename[MAX_FILENAME_LEN];
2165   va_list ap;
2166
2167   va_start(ap, format);
2168   vsprintf(basename, format, ap);
2169   va_end(ap);
2170
2171   lfi->type = type;
2172   lfi->packed = FALSE;
2173
2174   setString(&lfi->basename, basename);
2175   setString(&lfi->filename, getLevelFilenameFromBasename(lfi->basename));
2176 }
2177
2178 static void setLevelFileInfo_PackedLevelFilename(struct LevelFileInfo *lfi,
2179                                                  int type)
2180 {
2181   lfi->type = type;
2182   lfi->packed = TRUE;
2183
2184   setString(&lfi->basename, getPackedLevelBasename(lfi->type));
2185   setString(&lfi->filename, getLevelFilenameFromBasename(lfi->basename));
2186 }
2187
2188 static int getFiletypeFromID(char *filetype_id)
2189 {
2190   char *filetype_id_lower;
2191   int filetype = LEVEL_FILE_TYPE_UNKNOWN;
2192   int i;
2193
2194   if (filetype_id == NULL)
2195     return LEVEL_FILE_TYPE_UNKNOWN;
2196
2197   filetype_id_lower = getStringToLower(filetype_id);
2198
2199   for (i = 0; filetype_id_list[i].id != NULL; i++)
2200   {
2201     char *id_lower = getStringToLower(filetype_id_list[i].id);
2202
2203     if (strEqual(filetype_id_lower, id_lower))
2204       filetype = filetype_id_list[i].filetype;
2205
2206     free(id_lower);
2207
2208     if (filetype != LEVEL_FILE_TYPE_UNKNOWN)
2209       break;
2210   }
2211
2212   free(filetype_id_lower);
2213
2214   return filetype;
2215 }
2216
2217 char *getLocalLevelTemplateFilename(void)
2218 {
2219   return getDefaultLevelFilename(-1);
2220 }
2221
2222 char *getGlobalLevelTemplateFilename(void)
2223 {
2224   // global variable "leveldir_current" must be modified in the loop below
2225   LevelDirTree *leveldir_current_last = leveldir_current;
2226   char *filename = NULL;
2227
2228   // check for template level in path from current to topmost tree node
2229
2230   while (leveldir_current != NULL)
2231   {
2232     filename = getDefaultLevelFilename(-1);
2233
2234     if (fileExists(filename))
2235       break;
2236
2237     leveldir_current = leveldir_current->node_parent;
2238   }
2239
2240   // restore global variable "leveldir_current" modified in above loop
2241   leveldir_current = leveldir_current_last;
2242
2243   return filename;
2244 }
2245
2246 static void determineLevelFileInfo_Filename(struct LevelFileInfo *lfi)
2247 {
2248   int nr = lfi->nr;
2249
2250   // special case: level number is negative => check for level template file
2251   if (nr < 0)
2252   {
2253     setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_RND,
2254                                          getSingleLevelBasename(-1));
2255
2256     // replace local level template filename with global template filename
2257     setString(&lfi->filename, getGlobalLevelTemplateFilename());
2258
2259     // no fallback if template file not existing
2260     return;
2261   }
2262
2263   // special case: check for file name/pattern specified in "levelinfo.conf"
2264   if (leveldir_current->level_filename != NULL)
2265   {
2266     int filetype = getFiletypeFromID(leveldir_current->level_filetype);
2267
2268     setLevelFileInfo_FormatLevelFilename(lfi, filetype,
2269                                          leveldir_current->level_filename, nr);
2270
2271     lfi->packed = checkForPackageFromBasename(leveldir_current->level_filename);
2272
2273     if (fileExists(lfi->filename))
2274       return;
2275   }
2276   else if (leveldir_current->level_filetype != NULL)
2277   {
2278     int filetype = getFiletypeFromID(leveldir_current->level_filetype);
2279
2280     // check for specified native level file with standard file name
2281     setLevelFileInfo_FormatLevelFilename(lfi, filetype,
2282                                          "%03d.%s", nr, LEVELFILE_EXTENSION);
2283     if (fileExists(lfi->filename))
2284       return;
2285   }
2286
2287   // check for native Rocks'n'Diamonds level file
2288   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_RND,
2289                                        "%03d.%s", nr, LEVELFILE_EXTENSION);
2290   if (fileExists(lfi->filename))
2291     return;
2292
2293   // check for Emerald Mine level file (V1)
2294   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "a%c%c",
2295                                        'a' + (nr / 10) % 26, '0' + nr % 10);
2296   if (fileExists(lfi->filename))
2297     return;
2298   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "A%c%c",
2299                                        'A' + (nr / 10) % 26, '0' + nr % 10);
2300   if (fileExists(lfi->filename))
2301     return;
2302
2303   // check for Emerald Mine level file (V2 to V5)
2304   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%d", nr);
2305   if (fileExists(lfi->filename))
2306     return;
2307
2308   // check for Emerald Mine level file (V6 / single mode)
2309   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%02ds", nr);
2310   if (fileExists(lfi->filename))
2311     return;
2312   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%02dS", nr);
2313   if (fileExists(lfi->filename))
2314     return;
2315
2316   // check for Emerald Mine level file (V6 / teamwork mode)
2317   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%02dt", nr);
2318   if (fileExists(lfi->filename))
2319     return;
2320   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_EM, "%02dT", nr);
2321   if (fileExists(lfi->filename))
2322     return;
2323
2324   // check for various packed level file formats
2325   setLevelFileInfo_PackedLevelFilename(lfi, LEVEL_FILE_TYPE_UNKNOWN);
2326   if (fileExists(lfi->filename))
2327     return;
2328
2329   // no known level file found -- use default values (and fail later)
2330   setLevelFileInfo_FormatLevelFilename(lfi, LEVEL_FILE_TYPE_RND,
2331                                        "%03d.%s", nr, LEVELFILE_EXTENSION);
2332 }
2333
2334 static void determineLevelFileInfo_Filetype(struct LevelFileInfo *lfi)
2335 {
2336   if (lfi->type == LEVEL_FILE_TYPE_UNKNOWN)
2337     lfi->type = getFileTypeFromBasename(lfi->basename);
2338
2339   if (lfi->type == LEVEL_FILE_TYPE_RND)
2340     lfi->type = getFileTypeFromMagicBytes(lfi->filename, lfi->type);
2341 }
2342
2343 static void setLevelFileInfo(struct LevelFileInfo *level_file_info, int nr)
2344 {
2345   // always start with reliable default values
2346   setFileInfoToDefaults(level_file_info);
2347
2348   level_file_info->nr = nr;     // set requested level number
2349
2350   determineLevelFileInfo_Filename(level_file_info);
2351   determineLevelFileInfo_Filetype(level_file_info);
2352 }
2353
2354 static void copyLevelFileInfo(struct LevelFileInfo *lfi_from,
2355                               struct LevelFileInfo *lfi_to)
2356 {
2357   lfi_to->nr     = lfi_from->nr;
2358   lfi_to->type   = lfi_from->type;
2359   lfi_to->packed = lfi_from->packed;
2360
2361   setString(&lfi_to->basename, lfi_from->basename);
2362   setString(&lfi_to->filename, lfi_from->filename);
2363 }
2364
2365 // ----------------------------------------------------------------------------
2366 // functions for loading R'n'D level
2367 // ----------------------------------------------------------------------------
2368
2369 int getMappedElement(int element)
2370 {
2371   // remap some (historic, now obsolete) elements
2372
2373   switch (element)
2374   {
2375     case EL_PLAYER_OBSOLETE:
2376       element = EL_PLAYER_1;
2377       break;
2378
2379     case EL_KEY_OBSOLETE:
2380       element = EL_KEY_1;
2381       break;
2382
2383     case EL_EM_KEY_1_FILE_OBSOLETE:
2384       element = EL_EM_KEY_1;
2385       break;
2386
2387     case EL_EM_KEY_2_FILE_OBSOLETE:
2388       element = EL_EM_KEY_2;
2389       break;
2390
2391     case EL_EM_KEY_3_FILE_OBSOLETE:
2392       element = EL_EM_KEY_3;
2393       break;
2394
2395     case EL_EM_KEY_4_FILE_OBSOLETE:
2396       element = EL_EM_KEY_4;
2397       break;
2398
2399     case EL_ENVELOPE_OBSOLETE:
2400       element = EL_ENVELOPE_1;
2401       break;
2402
2403     case EL_SP_EMPTY:
2404       element = EL_EMPTY;
2405       break;
2406
2407     default:
2408       if (element >= NUM_FILE_ELEMENTS)
2409       {
2410         Warn("invalid level element %d", element);
2411
2412         element = EL_UNKNOWN;
2413       }
2414       break;
2415   }
2416
2417   return element;
2418 }
2419
2420 static int getMappedElementByVersion(int element, int game_version)
2421 {
2422   // remap some elements due to certain game version
2423
2424   if (game_version <= VERSION_IDENT(2,2,0,0))
2425   {
2426     // map game font elements
2427     element = (element == EL_CHAR('[')  ? EL_CHAR_AUMLAUT :
2428                element == EL_CHAR('\\') ? EL_CHAR_OUMLAUT :
2429                element == EL_CHAR(']')  ? EL_CHAR_UUMLAUT :
2430                element == EL_CHAR('^')  ? EL_CHAR_COPYRIGHT : element);
2431   }
2432
2433   if (game_version < VERSION_IDENT(3,0,0,0))
2434   {
2435     // map Supaplex gravity tube elements
2436     element = (element == EL_SP_GRAVITY_PORT_LEFT  ? EL_SP_PORT_LEFT  :
2437                element == EL_SP_GRAVITY_PORT_RIGHT ? EL_SP_PORT_RIGHT :
2438                element == EL_SP_GRAVITY_PORT_UP    ? EL_SP_PORT_UP    :
2439                element == EL_SP_GRAVITY_PORT_DOWN  ? EL_SP_PORT_DOWN  :
2440                element);
2441   }
2442
2443   return element;
2444 }
2445
2446 static int LoadLevel_VERS(File *file, int chunk_size, struct LevelInfo *level)
2447 {
2448   level->file_version = getFileVersion(file);
2449   level->game_version = getFileVersion(file);
2450
2451   return chunk_size;
2452 }
2453
2454 static int LoadLevel_DATE(File *file, int chunk_size, struct LevelInfo *level)
2455 {
2456   level->creation_date.year  = getFile16BitBE(file);
2457   level->creation_date.month = getFile8Bit(file);
2458   level->creation_date.day   = getFile8Bit(file);
2459
2460   level->creation_date.src   = DATE_SRC_LEVELFILE;
2461
2462   return chunk_size;
2463 }
2464
2465 static int LoadLevel_HEAD(File *file, int chunk_size, struct LevelInfo *level)
2466 {
2467   int initial_player_stepsize;
2468   int initial_player_gravity;
2469   int i, x, y;
2470
2471   level->fieldx = getFile8Bit(file);
2472   level->fieldy = getFile8Bit(file);
2473
2474   level->time           = getFile16BitBE(file);
2475   level->gems_needed    = getFile16BitBE(file);
2476
2477   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
2478     level->name[i] = getFile8Bit(file);
2479   level->name[MAX_LEVEL_NAME_LEN] = 0;
2480
2481   for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
2482     level->score[i] = getFile8Bit(file);
2483
2484   level->num_yamyam_contents = STD_ELEMENT_CONTENTS;
2485   for (i = 0; i < STD_ELEMENT_CONTENTS; i++)
2486     for (y = 0; y < 3; y++)
2487       for (x = 0; x < 3; x++)
2488         level->yamyam_content[i].e[x][y] = getMappedElement(getFile8Bit(file));
2489
2490   level->amoeba_speed           = getFile8Bit(file);
2491   level->time_magic_wall        = getFile8Bit(file);
2492   level->time_wheel             = getFile8Bit(file);
2493   level->amoeba_content         = getMappedElement(getFile8Bit(file));
2494
2495   initial_player_stepsize       = (getFile8Bit(file) == 1 ? STEPSIZE_FAST :
2496                                    STEPSIZE_NORMAL);
2497
2498   for (i = 0; i < MAX_PLAYERS; i++)
2499     level->initial_player_stepsize[i] = initial_player_stepsize;
2500
2501   initial_player_gravity        = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2502
2503   for (i = 0; i < MAX_PLAYERS; i++)
2504     level->initial_player_gravity[i] = initial_player_gravity;
2505
2506   level->encoding_16bit_field   = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2507   level->em_slippery_gems       = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2508
2509   level->use_custom_template    = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2510
2511   level->block_last_field       = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2512   level->sp_block_last_field    = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2513   level->can_move_into_acid_bits = getFile32BitBE(file);
2514   level->dont_collide_with_bits = getFile8Bit(file);
2515
2516   level->use_spring_bug         = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2517   level->use_step_counter       = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2518
2519   level->instant_relocation     = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2520   level->can_pass_to_walkable   = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2521   level->grow_into_diggable     = (getFile8Bit(file) == 1 ? TRUE : FALSE);
2522
2523   level->game_engine_type       = getFile8Bit(file);
2524
2525   ReadUnusedBytesFromFile(file, LEVEL_CHUNK_HEAD_UNUSED);
2526
2527   return chunk_size;
2528 }
2529
2530 static int LoadLevel_NAME(File *file, int chunk_size, struct LevelInfo *level)
2531 {
2532   int i;
2533
2534   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
2535     level->name[i] = getFile8Bit(file);
2536   level->name[MAX_LEVEL_NAME_LEN] = 0;
2537
2538   return chunk_size;
2539 }
2540
2541 static int LoadLevel_AUTH(File *file, int chunk_size, struct LevelInfo *level)
2542 {
2543   int i;
2544
2545   for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++)
2546     level->author[i] = getFile8Bit(file);
2547   level->author[MAX_LEVEL_AUTHOR_LEN] = 0;
2548
2549   return chunk_size;
2550 }
2551
2552 static int LoadLevel_BODY(File *file, int chunk_size, struct LevelInfo *level)
2553 {
2554   int x, y;
2555   int chunk_size_expected = level->fieldx * level->fieldy;
2556
2557   /* Note: "chunk_size" was wrong before version 2.0 when elements are
2558      stored with 16-bit encoding (and should be twice as big then).
2559      Even worse, playfield data was stored 16-bit when only yamyam content
2560      contained 16-bit elements and vice versa. */
2561
2562   if (level->encoding_16bit_field && level->file_version >= FILE_VERSION_2_0)
2563     chunk_size_expected *= 2;
2564
2565   if (chunk_size_expected != chunk_size)
2566   {
2567     ReadUnusedBytesFromFile(file, chunk_size);
2568     return chunk_size_expected;
2569   }
2570
2571   for (y = 0; y < level->fieldy; y++)
2572     for (x = 0; x < level->fieldx; x++)
2573       level->field[x][y] =
2574         getMappedElement(level->encoding_16bit_field ? getFile16BitBE(file) :
2575                          getFile8Bit(file));
2576   return chunk_size;
2577 }
2578
2579 static int LoadLevel_CONT(File *file, int chunk_size, struct LevelInfo *level)
2580 {
2581   int i, x, y;
2582   int header_size = 4;
2583   int content_size = MAX_ELEMENT_CONTENTS * 3 * 3;
2584   int chunk_size_expected = header_size + content_size;
2585
2586   /* Note: "chunk_size" was wrong before version 2.0 when elements are
2587      stored with 16-bit encoding (and should be twice as big then).
2588      Even worse, playfield data was stored 16-bit when only yamyam content
2589      contained 16-bit elements and vice versa. */
2590
2591   if (level->encoding_16bit_field && level->file_version >= FILE_VERSION_2_0)
2592     chunk_size_expected += content_size;
2593
2594   if (chunk_size_expected != chunk_size)
2595   {
2596     ReadUnusedBytesFromFile(file, chunk_size);
2597     return chunk_size_expected;
2598   }
2599
2600   getFile8Bit(file);
2601   level->num_yamyam_contents = getFile8Bit(file);
2602   getFile8Bit(file);
2603   getFile8Bit(file);
2604
2605   // correct invalid number of content fields -- should never happen
2606   if (level->num_yamyam_contents < 1 ||
2607       level->num_yamyam_contents > MAX_ELEMENT_CONTENTS)
2608     level->num_yamyam_contents = STD_ELEMENT_CONTENTS;
2609
2610   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
2611     for (y = 0; y < 3; y++)
2612       for (x = 0; x < 3; x++)
2613         level->yamyam_content[i].e[x][y] =
2614           getMappedElement(level->encoding_16bit_field ?
2615                            getFile16BitBE(file) : getFile8Bit(file));
2616   return chunk_size;
2617 }
2618
2619 static int LoadLevel_CNT2(File *file, int chunk_size, struct LevelInfo *level)
2620 {
2621   int i, x, y;
2622   int element;
2623   int num_contents;
2624   int content_array[MAX_ELEMENT_CONTENTS][3][3];
2625
2626   element = getMappedElement(getFile16BitBE(file));
2627   num_contents = getFile8Bit(file);
2628
2629   getFile8Bit(file);    // content x size (unused)
2630   getFile8Bit(file);    // content y size (unused)
2631
2632   ReadUnusedBytesFromFile(file, LEVEL_CHUNK_CNT2_UNUSED);
2633
2634   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
2635     for (y = 0; y < 3; y++)
2636       for (x = 0; x < 3; x++)
2637         content_array[i][x][y] = getMappedElement(getFile16BitBE(file));
2638
2639   // correct invalid number of content fields -- should never happen
2640   if (num_contents < 1 || num_contents > MAX_ELEMENT_CONTENTS)
2641     num_contents = STD_ELEMENT_CONTENTS;
2642
2643   if (element == EL_YAMYAM)
2644   {
2645     level->num_yamyam_contents = num_contents;
2646
2647     for (i = 0; i < num_contents; i++)
2648       for (y = 0; y < 3; y++)
2649         for (x = 0; x < 3; x++)
2650           level->yamyam_content[i].e[x][y] = content_array[i][x][y];
2651   }
2652   else if (element == EL_BD_AMOEBA)
2653   {
2654     level->amoeba_content = content_array[0][0][0];
2655   }
2656   else
2657   {
2658     Warn("cannot load content for element '%d'", element);
2659   }
2660
2661   return chunk_size;
2662 }
2663
2664 static int LoadLevel_CNT3(File *file, int chunk_size, struct LevelInfo *level)
2665 {
2666   int i;
2667   int element;
2668   int envelope_nr;
2669   int envelope_len;
2670   int chunk_size_expected;
2671
2672   element = getMappedElement(getFile16BitBE(file));
2673   if (!IS_ENVELOPE(element))
2674     element = EL_ENVELOPE_1;
2675
2676   envelope_nr = element - EL_ENVELOPE_1;
2677
2678   envelope_len = getFile16BitBE(file);
2679
2680   level->envelope[envelope_nr].xsize = getFile8Bit(file);
2681   level->envelope[envelope_nr].ysize = getFile8Bit(file);
2682
2683   ReadUnusedBytesFromFile(file, LEVEL_CHUNK_CNT3_UNUSED);
2684
2685   chunk_size_expected = LEVEL_CHUNK_CNT3_SIZE(envelope_len);
2686   if (chunk_size_expected != chunk_size)
2687   {
2688     ReadUnusedBytesFromFile(file, chunk_size - LEVEL_CHUNK_CNT3_HEADER);
2689     return chunk_size_expected;
2690   }
2691
2692   for (i = 0; i < envelope_len; i++)
2693     level->envelope[envelope_nr].text[i] = getFile8Bit(file);
2694
2695   return chunk_size;
2696 }
2697
2698 static int LoadLevel_CUS1(File *file, int chunk_size, struct LevelInfo *level)
2699 {
2700   int num_changed_custom_elements = getFile16BitBE(file);
2701   int chunk_size_expected = 2 + num_changed_custom_elements * 6;
2702   int i;
2703
2704   if (chunk_size_expected != chunk_size)
2705   {
2706     ReadUnusedBytesFromFile(file, chunk_size - 2);
2707     return chunk_size_expected;
2708   }
2709
2710   for (i = 0; i < num_changed_custom_elements; i++)
2711   {
2712     int element = getMappedElement(getFile16BitBE(file));
2713     int properties = getFile32BitBE(file);
2714
2715     if (IS_CUSTOM_ELEMENT(element))
2716       element_info[element].properties[EP_BITFIELD_BASE_NR] = properties;
2717     else
2718       Warn("invalid custom element number %d", element);
2719
2720     // older game versions that wrote level files with CUS1 chunks used
2721     // different default push delay values (not yet stored in level file)
2722     element_info[element].push_delay_fixed = 2;
2723     element_info[element].push_delay_random = 8;
2724   }
2725
2726   level->file_has_custom_elements = TRUE;
2727
2728   return chunk_size;
2729 }
2730
2731 static int LoadLevel_CUS2(File *file, int chunk_size, struct LevelInfo *level)
2732 {
2733   int num_changed_custom_elements = getFile16BitBE(file);
2734   int chunk_size_expected = 2 + num_changed_custom_elements * 4;
2735   int i;
2736
2737   if (chunk_size_expected != chunk_size)
2738   {
2739     ReadUnusedBytesFromFile(file, chunk_size - 2);
2740     return chunk_size_expected;
2741   }
2742
2743   for (i = 0; i < num_changed_custom_elements; i++)
2744   {
2745     int element = getMappedElement(getFile16BitBE(file));
2746     int custom_target_element = getMappedElement(getFile16BitBE(file));
2747
2748     if (IS_CUSTOM_ELEMENT(element))
2749       element_info[element].change->target_element = custom_target_element;
2750     else
2751       Warn("invalid custom element number %d", element);
2752   }
2753
2754   level->file_has_custom_elements = TRUE;
2755
2756   return chunk_size;
2757 }
2758
2759 static int LoadLevel_CUS3(File *file, int chunk_size, struct LevelInfo *level)
2760 {
2761   int num_changed_custom_elements = getFile16BitBE(file);
2762   int chunk_size_expected = LEVEL_CHUNK_CUS3_SIZE(num_changed_custom_elements);
2763   int i, j, x, y;
2764
2765   if (chunk_size_expected != chunk_size)
2766   {
2767     ReadUnusedBytesFromFile(file, chunk_size - 2);
2768     return chunk_size_expected;
2769   }
2770
2771   for (i = 0; i < num_changed_custom_elements; i++)
2772   {
2773     int element = getMappedElement(getFile16BitBE(file));
2774     struct ElementInfo *ei = &element_info[element];
2775     unsigned int event_bits;
2776
2777     if (!IS_CUSTOM_ELEMENT(element))
2778     {
2779       Warn("invalid custom element number %d", element);
2780
2781       element = EL_INTERNAL_DUMMY;
2782     }
2783
2784     for (j = 0; j < MAX_ELEMENT_NAME_LEN; j++)
2785       ei->description[j] = getFile8Bit(file);
2786     ei->description[MAX_ELEMENT_NAME_LEN] = 0;
2787
2788     ei->properties[EP_BITFIELD_BASE_NR] = getFile32BitBE(file);
2789
2790     // some free bytes for future properties and padding
2791     ReadUnusedBytesFromFile(file, 7);
2792
2793     ei->use_gfx_element = getFile8Bit(file);
2794     ei->gfx_element_initial = getMappedElement(getFile16BitBE(file));
2795
2796     ei->collect_score_initial = getFile8Bit(file);
2797     ei->collect_count_initial = getFile8Bit(file);
2798
2799     ei->push_delay_fixed = getFile16BitBE(file);
2800     ei->push_delay_random = getFile16BitBE(file);
2801     ei->move_delay_fixed = getFile16BitBE(file);
2802     ei->move_delay_random = getFile16BitBE(file);
2803
2804     ei->move_pattern = getFile16BitBE(file);
2805     ei->move_direction_initial = getFile8Bit(file);
2806     ei->move_stepsize = getFile8Bit(file);
2807
2808     for (y = 0; y < 3; y++)
2809       for (x = 0; x < 3; x++)
2810         ei->content.e[x][y] = getMappedElement(getFile16BitBE(file));
2811
2812     event_bits = getFile32BitBE(file);
2813     for (j = 0; j < NUM_CHANGE_EVENTS; j++)
2814       if (event_bits & (1 << j))
2815         ei->change->has_event[j] = TRUE;
2816
2817     ei->change->target_element = getMappedElement(getFile16BitBE(file));
2818
2819     ei->change->delay_fixed = getFile16BitBE(file);
2820     ei->change->delay_random = getFile16BitBE(file);
2821     ei->change->delay_frames = getFile16BitBE(file);
2822
2823     ei->change->initial_trigger_element= getMappedElement(getFile16BitBE(file));
2824
2825     ei->change->explode = getFile8Bit(file);
2826     ei->change->use_target_content = getFile8Bit(file);
2827     ei->change->only_if_complete = getFile8Bit(file);
2828     ei->change->use_random_replace = getFile8Bit(file);
2829
2830     ei->change->random_percentage = getFile8Bit(file);
2831     ei->change->replace_when = getFile8Bit(file);
2832
2833     for (y = 0; y < 3; y++)
2834       for (x = 0; x < 3; x++)
2835         ei->change->target_content.e[x][y] =
2836           getMappedElement(getFile16BitBE(file));
2837
2838     ei->slippery_type = getFile8Bit(file);
2839
2840     // some free bytes for future properties and padding
2841     ReadUnusedBytesFromFile(file, LEVEL_CPART_CUS3_UNUSED);
2842
2843     // mark that this custom element has been modified
2844     ei->modified_settings = TRUE;
2845   }
2846
2847   level->file_has_custom_elements = TRUE;
2848
2849   return chunk_size;
2850 }
2851
2852 static int LoadLevel_CUS4(File *file, int chunk_size, struct LevelInfo *level)
2853 {
2854   struct ElementInfo *ei;
2855   int chunk_size_expected;
2856   int element;
2857   int i, j, x, y;
2858
2859   // ---------- custom element base property values (96 bytes) ----------------
2860
2861   element = getMappedElement(getFile16BitBE(file));
2862
2863   if (!IS_CUSTOM_ELEMENT(element))
2864   {
2865     Warn("invalid custom element number %d", element);
2866
2867     ReadUnusedBytesFromFile(file, chunk_size - 2);
2868
2869     return chunk_size;
2870   }
2871
2872   ei = &element_info[element];
2873
2874   for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
2875     ei->description[i] = getFile8Bit(file);
2876   ei->description[MAX_ELEMENT_NAME_LEN] = 0;
2877
2878   ei->properties[EP_BITFIELD_BASE_NR] = getFile32BitBE(file);
2879
2880   ReadUnusedBytesFromFile(file, 4);     // reserved for more base properties
2881
2882   ei->num_change_pages = getFile8Bit(file);
2883
2884   chunk_size_expected = LEVEL_CHUNK_CUS4_SIZE(ei->num_change_pages);
2885   if (chunk_size_expected != chunk_size)
2886   {
2887     ReadUnusedBytesFromFile(file, chunk_size - 43);
2888     return chunk_size_expected;
2889   }
2890
2891   ei->ce_value_fixed_initial = getFile16BitBE(file);
2892   ei->ce_value_random_initial = getFile16BitBE(file);
2893   ei->use_last_ce_value = getFile8Bit(file);
2894
2895   ei->use_gfx_element = getFile8Bit(file);
2896   ei->gfx_element_initial = getMappedElement(getFile16BitBE(file));
2897
2898   ei->collect_score_initial = getFile8Bit(file);
2899   ei->collect_count_initial = getFile8Bit(file);
2900
2901   ei->drop_delay_fixed = getFile8Bit(file);
2902   ei->push_delay_fixed = getFile8Bit(file);
2903   ei->drop_delay_random = getFile8Bit(file);
2904   ei->push_delay_random = getFile8Bit(file);
2905   ei->move_delay_fixed = getFile16BitBE(file);
2906   ei->move_delay_random = getFile16BitBE(file);
2907
2908   // bits 0 - 15 of "move_pattern" ...
2909   ei->move_pattern = getFile16BitBE(file);
2910   ei->move_direction_initial = getFile8Bit(file);
2911   ei->move_stepsize = getFile8Bit(file);
2912
2913   ei->slippery_type = getFile8Bit(file);
2914
2915   for (y = 0; y < 3; y++)
2916     for (x = 0; x < 3; x++)
2917       ei->content.e[x][y] = getMappedElement(getFile16BitBE(file));
2918
2919   ei->move_enter_element = getMappedElement(getFile16BitBE(file));
2920   ei->move_leave_element = getMappedElement(getFile16BitBE(file));
2921   ei->move_leave_type = getFile8Bit(file);
2922
2923   // ... bits 16 - 31 of "move_pattern" (not nice, but downward compatible)
2924   ei->move_pattern |= (getFile16BitBE(file) << 16);
2925
2926   ei->access_direction = getFile8Bit(file);
2927
2928   ei->explosion_delay = getFile8Bit(file);
2929   ei->ignition_delay = getFile8Bit(file);
2930   ei->explosion_type = getFile8Bit(file);
2931
2932   // some free bytes for future custom property values and padding
2933   ReadUnusedBytesFromFile(file, 1);
2934
2935   // ---------- change page property values (48 bytes) ------------------------
2936
2937   setElementChangePages(ei, ei->num_change_pages);
2938
2939   for (i = 0; i < ei->num_change_pages; i++)
2940   {
2941     struct ElementChangeInfo *change = &ei->change_page[i];
2942     unsigned int event_bits;
2943
2944     // always start with reliable default values
2945     setElementChangeInfoToDefaults(change);
2946
2947     // bits 0 - 31 of "has_event[]" ...
2948     event_bits = getFile32BitBE(file);
2949     for (j = 0; j < MIN(NUM_CHANGE_EVENTS, 32); j++)
2950       if (event_bits & (1 << j))
2951         change->has_event[j] = TRUE;
2952
2953     change->target_element = getMappedElement(getFile16BitBE(file));
2954
2955     change->delay_fixed = getFile16BitBE(file);
2956     change->delay_random = getFile16BitBE(file);
2957     change->delay_frames = getFile16BitBE(file);
2958
2959     change->initial_trigger_element = getMappedElement(getFile16BitBE(file));
2960
2961     change->explode = getFile8Bit(file);
2962     change->use_target_content = getFile8Bit(file);
2963     change->only_if_complete = getFile8Bit(file);
2964     change->use_random_replace = getFile8Bit(file);
2965
2966     change->random_percentage = getFile8Bit(file);
2967     change->replace_when = getFile8Bit(file);
2968
2969     for (y = 0; y < 3; y++)
2970       for (x = 0; x < 3; x++)
2971         change->target_content.e[x][y]= getMappedElement(getFile16BitBE(file));
2972
2973     change->can_change = getFile8Bit(file);
2974
2975     change->trigger_side = getFile8Bit(file);
2976
2977     change->trigger_player = getFile8Bit(file);
2978     change->trigger_page = getFile8Bit(file);
2979
2980     change->trigger_page = (change->trigger_page == CH_PAGE_ANY_FILE ?
2981                             CH_PAGE_ANY : (1 << change->trigger_page));
2982
2983     change->has_action = getFile8Bit(file);
2984     change->action_type = getFile8Bit(file);
2985     change->action_mode = getFile8Bit(file);
2986     change->action_arg = getFile16BitBE(file);
2987
2988     // ... bits 32 - 39 of "has_event[]" (not nice, but downward compatible)
2989     event_bits = getFile8Bit(file);
2990     for (j = 32; j < NUM_CHANGE_EVENTS; j++)
2991       if (event_bits & (1 << (j - 32)))
2992         change->has_event[j] = TRUE;
2993   }
2994
2995   // mark this custom element as modified
2996   ei->modified_settings = TRUE;
2997
2998   level->file_has_custom_elements = TRUE;
2999
3000   return chunk_size;
3001 }
3002
3003 static int LoadLevel_GRP1(File *file, int chunk_size, struct LevelInfo *level)
3004 {
3005   struct ElementInfo *ei;
3006   struct ElementGroupInfo *group;
3007   int element;
3008   int i;
3009
3010   element = getMappedElement(getFile16BitBE(file));
3011
3012   if (!IS_GROUP_ELEMENT(element))
3013   {
3014     Warn("invalid group element number %d", element);
3015
3016     ReadUnusedBytesFromFile(file, chunk_size - 2);
3017
3018     return chunk_size;
3019   }
3020
3021   ei = &element_info[element];
3022
3023   for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
3024     ei->description[i] = getFile8Bit(file);
3025   ei->description[MAX_ELEMENT_NAME_LEN] = 0;
3026
3027   group = element_info[element].group;
3028
3029   group->num_elements = getFile8Bit(file);
3030
3031   ei->use_gfx_element = getFile8Bit(file);
3032   ei->gfx_element_initial = getMappedElement(getFile16BitBE(file));
3033
3034   group->choice_mode = getFile8Bit(file);
3035
3036   // some free bytes for future values and padding
3037   ReadUnusedBytesFromFile(file, 3);
3038
3039   for (i = 0; i < MAX_ELEMENTS_IN_GROUP; i++)
3040     group->element[i] = getMappedElement(getFile16BitBE(file));
3041
3042   // mark this group element as modified
3043   element_info[element].modified_settings = TRUE;
3044
3045   level->file_has_custom_elements = TRUE;
3046
3047   return chunk_size;
3048 }
3049
3050 static int LoadLevel_MicroChunk(File *file, struct LevelFileConfigInfo *conf,
3051                                 int element, int real_element)
3052 {
3053   int micro_chunk_size = 0;
3054   int conf_type = getFile8Bit(file);
3055   int byte_mask = conf_type & CONF_MASK_BYTES;
3056   boolean element_found = FALSE;
3057   int i;
3058
3059   micro_chunk_size += 1;
3060
3061   if (byte_mask == CONF_MASK_MULTI_BYTES)
3062   {
3063     int num_bytes = getFile16BitBE(file);
3064     byte *buffer = checked_malloc(num_bytes);
3065
3066     ReadBytesFromFile(file, buffer, num_bytes);
3067
3068     for (i = 0; conf[i].data_type != -1; i++)
3069     {
3070       if (conf[i].element == element &&
3071           conf[i].conf_type == conf_type)
3072       {
3073         int data_type = conf[i].data_type;
3074         int num_entities = num_bytes / CONF_ENTITY_NUM_BYTES(data_type);
3075         int max_num_entities = conf[i].max_num_entities;
3076
3077         if (num_entities > max_num_entities)
3078         {
3079           Warn("truncating number of entities for element %d from %d to %d",
3080                element, num_entities, max_num_entities);
3081
3082           num_entities = max_num_entities;
3083         }
3084
3085         if (num_entities == 0 && (data_type == TYPE_ELEMENT_LIST ||
3086                                   data_type == TYPE_CONTENT_LIST))
3087         {
3088           // for element and content lists, zero entities are not allowed
3089           Warn("found empty list of entities for element %d", element);
3090
3091           // do not set "num_entities" here to prevent reading behind buffer
3092
3093           *(int *)(conf[i].num_entities) = 1;   // at least one is required
3094         }
3095         else
3096         {
3097           *(int *)(conf[i].num_entities) = num_entities;
3098         }
3099
3100         element_found = TRUE;
3101
3102         if (data_type == TYPE_STRING)
3103         {
3104           char *string = (char *)(conf[i].value);
3105           int j;
3106
3107           for (j = 0; j < max_num_entities; j++)
3108             string[j] = (j < num_entities ? buffer[j] : '\0');
3109         }
3110         else if (data_type == TYPE_ELEMENT_LIST)
3111         {
3112           int *element_array = (int *)(conf[i].value);
3113           int j;
3114
3115           for (j = 0; j < num_entities; j++)
3116             element_array[j] =
3117               getMappedElement(CONF_ELEMENTS_ELEMENT(buffer, j));
3118         }
3119         else if (data_type == TYPE_CONTENT_LIST)
3120         {
3121           struct Content *content= (struct Content *)(conf[i].value);
3122           int c, x, y;
3123
3124           for (c = 0; c < num_entities; c++)
3125             for (y = 0; y < 3; y++)
3126               for (x = 0; x < 3; x++)
3127                 content[c].e[x][y] =
3128                   getMappedElement(CONF_CONTENTS_ELEMENT(buffer, c, x, y));
3129         }
3130         else
3131           element_found = FALSE;
3132
3133         break;
3134       }
3135     }
3136
3137     checked_free(buffer);
3138
3139     micro_chunk_size += 2 + num_bytes;
3140   }
3141   else          // constant size configuration data (1, 2 or 4 bytes)
3142   {
3143     int value = (byte_mask == CONF_MASK_1_BYTE ? getFile8Bit   (file) :
3144                  byte_mask == CONF_MASK_2_BYTE ? getFile16BitBE(file) :
3145                  byte_mask == CONF_MASK_4_BYTE ? getFile32BitBE(file) : 0);
3146
3147     for (i = 0; conf[i].data_type != -1; i++)
3148     {
3149       if (conf[i].element == element &&
3150           conf[i].conf_type == conf_type)
3151       {
3152         int data_type = conf[i].data_type;
3153
3154         if (data_type == TYPE_ELEMENT)
3155           value = getMappedElement(value);
3156
3157         if (data_type == TYPE_BOOLEAN)
3158           *(boolean *)(conf[i].value) = value;
3159         else
3160           *(int *)    (conf[i].value) = value;
3161
3162         element_found = TRUE;
3163
3164         break;
3165       }
3166     }
3167
3168     micro_chunk_size += CONF_VALUE_NUM_BYTES(byte_mask);
3169   }
3170
3171   if (!element_found)
3172   {
3173     char *error_conf_chunk_bytes =
3174       (byte_mask == CONF_MASK_1_BYTE ? "CONF_VALUE_8_BIT" :
3175        byte_mask == CONF_MASK_2_BYTE ? "CONF_VALUE_16_BIT" :
3176        byte_mask == CONF_MASK_4_BYTE ? "CONF_VALUE_32_BIT" :"CONF_VALUE_BYTES");
3177     int error_conf_chunk_token = conf_type & CONF_MASK_TOKEN;
3178     int error_element = real_element;
3179
3180     Warn("cannot load micro chunk '%s(%d)' value for element %d ['%s']",
3181          error_conf_chunk_bytes, error_conf_chunk_token,
3182          error_element, EL_NAME(error_element));
3183   }
3184
3185   return micro_chunk_size;
3186 }
3187
3188 static int LoadLevel_INFO(File *file, int chunk_size, struct LevelInfo *level)
3189 {
3190   int real_chunk_size = 0;
3191
3192   li = *level;          // copy level data into temporary buffer
3193
3194   while (!checkEndOfFile(file))
3195   {
3196     real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_INFO, -1, -1);
3197
3198     if (real_chunk_size >= chunk_size)
3199       break;
3200   }
3201
3202   *level = li;          // copy temporary buffer back to level data
3203
3204   return real_chunk_size;
3205 }
3206
3207 static int LoadLevel_CONF(File *file, int chunk_size, struct LevelInfo *level)
3208 {
3209   int real_chunk_size = 0;
3210
3211   li = *level;          // copy level data into temporary buffer
3212
3213   while (!checkEndOfFile(file))
3214   {
3215     int element = getMappedElement(getFile16BitBE(file));
3216
3217     real_chunk_size += 2;
3218     real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CONF,
3219                                             element, element);
3220     if (real_chunk_size >= chunk_size)
3221       break;
3222   }
3223
3224   *level = li;          // copy temporary buffer back to level data
3225
3226   return real_chunk_size;
3227 }
3228
3229 static int LoadLevel_ELEM(File *file, int chunk_size, struct LevelInfo *level)
3230 {
3231   int real_chunk_size = 0;
3232
3233   li = *level;          // copy level data into temporary buffer
3234
3235   while (!checkEndOfFile(file))
3236   {
3237     int element = getMappedElement(getFile16BitBE(file));
3238
3239     real_chunk_size += 2;
3240     real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_ELEM,
3241                                             element, element);
3242     if (real_chunk_size >= chunk_size)
3243       break;
3244   }
3245
3246   *level = li;          // copy temporary buffer back to level data
3247
3248   return real_chunk_size;
3249 }
3250
3251 static int LoadLevel_NOTE(File *file, int chunk_size, struct LevelInfo *level)
3252 {
3253   int element = getMappedElement(getFile16BitBE(file));
3254   int envelope_nr = element - EL_ENVELOPE_1;
3255   int real_chunk_size = 2;
3256
3257   xx_envelope = level->envelope[envelope_nr];   // copy into temporary buffer
3258
3259   while (!checkEndOfFile(file))
3260   {
3261     real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_NOTE,
3262                                             -1, element);
3263
3264     if (real_chunk_size >= chunk_size)
3265       break;
3266   }
3267
3268   level->envelope[envelope_nr] = xx_envelope;   // copy from temporary buffer
3269
3270   return real_chunk_size;
3271 }
3272
3273 static int LoadLevel_CUSX(File *file, int chunk_size, struct LevelInfo *level)
3274 {
3275   int element = getMappedElement(getFile16BitBE(file));
3276   int real_chunk_size = 2;
3277   struct ElementInfo *ei = &element_info[element];
3278   int i;
3279
3280   xx_ei = *ei;          // copy element data into temporary buffer
3281
3282   xx_ei.num_change_pages = -1;
3283
3284   while (!checkEndOfFile(file))
3285   {
3286     real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CUSX_base,
3287                                             -1, element);
3288     if (xx_ei.num_change_pages != -1)
3289       break;
3290
3291     if (real_chunk_size >= chunk_size)
3292       break;
3293   }
3294
3295   *ei = xx_ei;
3296
3297   if (ei->num_change_pages == -1)
3298   {
3299     Warn("LoadLevel_CUSX(): missing 'num_change_pages' for '%s'",
3300          EL_NAME(element));
3301
3302     ei->num_change_pages = 1;
3303
3304     setElementChangePages(ei, 1);
3305     setElementChangeInfoToDefaults(ei->change);
3306
3307     return real_chunk_size;
3308   }
3309
3310   // initialize number of change pages stored for this custom element
3311   setElementChangePages(ei, ei->num_change_pages);
3312   for (i = 0; i < ei->num_change_pages; i++)
3313     setElementChangeInfoToDefaults(&ei->change_page[i]);
3314
3315   // start with reading properties for the first change page
3316   xx_current_change_page = 0;
3317
3318   while (!checkEndOfFile(file))
3319   {
3320     struct ElementChangeInfo *change = &ei->change_page[xx_current_change_page];
3321
3322     xx_change = *change;        // copy change data into temporary buffer
3323
3324     resetEventBits();           // reset bits; change page might have changed
3325
3326     real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CUSX_change,
3327                                             -1, element);
3328
3329     *change = xx_change;
3330
3331     setEventFlagsFromEventBits(change);
3332
3333     if (real_chunk_size >= chunk_size)
3334       break;
3335   }
3336
3337   level->file_has_custom_elements = TRUE;
3338
3339   return real_chunk_size;
3340 }
3341
3342 static int LoadLevel_GRPX(File *file, int chunk_size, struct LevelInfo *level)
3343 {
3344   int element = getMappedElement(getFile16BitBE(file));
3345   int real_chunk_size = 2;
3346   struct ElementInfo *ei = &element_info[element];
3347   struct ElementGroupInfo *group = ei->group;
3348
3349   xx_ei = *ei;          // copy element data into temporary buffer
3350   xx_group = *group;    // copy group data into temporary buffer
3351
3352   while (!checkEndOfFile(file))
3353   {
3354     real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_GRPX,
3355                                             -1, element);
3356
3357     if (real_chunk_size >= chunk_size)
3358       break;
3359   }
3360
3361   *ei = xx_ei;
3362   *group = xx_group;
3363
3364   level->file_has_custom_elements = TRUE;
3365
3366   return real_chunk_size;
3367 }
3368
3369 static void LoadLevelFromFileInfo_RND(struct LevelInfo *level,
3370                                       struct LevelFileInfo *level_file_info,
3371                                       boolean level_info_only)
3372 {
3373   char *filename = level_file_info->filename;
3374   char cookie[MAX_LINE_LEN];
3375   char chunk_name[CHUNK_ID_LEN + 1];
3376   int chunk_size;
3377   File *file;
3378
3379   if (!(file = openFile(filename, MODE_READ)))
3380   {
3381     level->no_valid_file = TRUE;
3382     level->no_level_file = TRUE;
3383
3384     if (level_info_only)
3385       return;
3386
3387     Warn("cannot read level '%s' -- using empty level", filename);
3388
3389     if (!setup.editor.use_template_for_new_levels)
3390       return;
3391
3392     // if level file not found, try to initialize level data from template
3393     filename = getGlobalLevelTemplateFilename();
3394
3395     if (!(file = openFile(filename, MODE_READ)))
3396       return;
3397
3398     // default: for empty levels, use level template for custom elements
3399     level->use_custom_template = TRUE;
3400
3401     level->no_valid_file = FALSE;
3402   }
3403
3404   getFileChunkBE(file, chunk_name, NULL);
3405   if (strEqual(chunk_name, "RND1"))
3406   {
3407     getFile32BitBE(file);               // not used
3408
3409     getFileChunkBE(file, chunk_name, NULL);
3410     if (!strEqual(chunk_name, "CAVE"))
3411     {
3412       level->no_valid_file = TRUE;
3413
3414       Warn("unknown format of level file '%s'", filename);
3415
3416       closeFile(file);
3417
3418       return;
3419     }
3420   }
3421   else  // check for pre-2.0 file format with cookie string
3422   {
3423     strcpy(cookie, chunk_name);
3424     if (getStringFromFile(file, &cookie[4], MAX_LINE_LEN - 4) == NULL)
3425       cookie[4] = '\0';
3426     if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
3427       cookie[strlen(cookie) - 1] = '\0';
3428
3429     if (!checkCookieString(cookie, LEVEL_COOKIE_TMPL))
3430     {
3431       level->no_valid_file = TRUE;
3432
3433       Warn("unknown format of level file '%s'", filename);
3434
3435       closeFile(file);
3436
3437       return;
3438     }
3439
3440     if ((level->file_version = getFileVersionFromCookieString(cookie)) == -1)
3441     {
3442       level->no_valid_file = TRUE;
3443
3444       Warn("unsupported version of level file '%s'", filename);
3445
3446       closeFile(file);
3447
3448       return;
3449     }
3450
3451     // pre-2.0 level files have no game version, so use file version here
3452     level->game_version = level->file_version;
3453   }
3454
3455   if (level->file_version < FILE_VERSION_1_2)
3456   {
3457     // level files from versions before 1.2.0 without chunk structure
3458     LoadLevel_HEAD(file, LEVEL_CHUNK_HEAD_SIZE,         level);
3459     LoadLevel_BODY(file, level->fieldx * level->fieldy, level);
3460   }
3461   else
3462   {
3463     static struct
3464     {
3465       char *name;
3466       int size;
3467       int (*loader)(File *, int, struct LevelInfo *);
3468     }
3469     chunk_info[] =
3470     {
3471       { "VERS", LEVEL_CHUNK_VERS_SIZE,  LoadLevel_VERS },
3472       { "DATE", LEVEL_CHUNK_DATE_SIZE,  LoadLevel_DATE },
3473       { "HEAD", LEVEL_CHUNK_HEAD_SIZE,  LoadLevel_HEAD },
3474       { "NAME", LEVEL_CHUNK_NAME_SIZE,  LoadLevel_NAME },
3475       { "AUTH", LEVEL_CHUNK_AUTH_SIZE,  LoadLevel_AUTH },
3476       { "INFO", -1,                     LoadLevel_INFO },
3477       { "BODY", -1,                     LoadLevel_BODY },
3478       { "CONT", -1,                     LoadLevel_CONT },
3479       { "CNT2", LEVEL_CHUNK_CNT2_SIZE,  LoadLevel_CNT2 },
3480       { "CNT3", -1,                     LoadLevel_CNT3 },
3481       { "CUS1", -1,                     LoadLevel_CUS1 },
3482       { "CUS2", -1,                     LoadLevel_CUS2 },
3483       { "CUS3", -1,                     LoadLevel_CUS3 },
3484       { "CUS4", -1,                     LoadLevel_CUS4 },
3485       { "GRP1", -1,                     LoadLevel_GRP1 },
3486       { "CONF", -1,                     LoadLevel_CONF },
3487       { "ELEM", -1,                     LoadLevel_ELEM },
3488       { "NOTE", -1,                     LoadLevel_NOTE },
3489       { "CUSX", -1,                     LoadLevel_CUSX },
3490       { "GRPX", -1,                     LoadLevel_GRPX },
3491
3492       {  NULL,  0,                      NULL }
3493     };
3494
3495     while (getFileChunkBE(file, chunk_name, &chunk_size))
3496     {
3497       int i = 0;
3498
3499       while (chunk_info[i].name != NULL &&
3500              !strEqual(chunk_name, chunk_info[i].name))
3501         i++;
3502
3503       if (chunk_info[i].name == NULL)
3504       {
3505         Warn("unknown chunk '%s' in level file '%s'",
3506              chunk_name, filename);
3507
3508         ReadUnusedBytesFromFile(file, chunk_size);
3509       }
3510       else if (chunk_info[i].size != -1 &&
3511                chunk_info[i].size != chunk_size)
3512       {
3513         Warn("wrong size (%d) of chunk '%s' in level file '%s'",
3514              chunk_size, chunk_name, filename);
3515
3516         ReadUnusedBytesFromFile(file, chunk_size);
3517       }
3518       else
3519       {
3520         // call function to load this level chunk
3521         int chunk_size_expected =
3522           (chunk_info[i].loader)(file, chunk_size, level);
3523
3524         // the size of some chunks cannot be checked before reading other
3525         // chunks first (like "HEAD" and "BODY") that contain some header
3526         // information, so check them here
3527         if (chunk_size_expected != chunk_size)
3528         {
3529           Warn("wrong size (%d) of chunk '%s' in level file '%s'",
3530                chunk_size, chunk_name, filename);
3531         }
3532       }
3533     }
3534   }
3535
3536   closeFile(file);
3537 }
3538
3539
3540 // ----------------------------------------------------------------------------
3541 // functions for loading EM level
3542 // ----------------------------------------------------------------------------
3543
3544 static void CopyNativeLevel_RND_to_EM(struct LevelInfo *level)
3545 {
3546   static int ball_xy[8][2] =
3547   {
3548     { 0, 0 },
3549     { 1, 0 },
3550     { 2, 0 },
3551     { 0, 1 },
3552     { 2, 1 },
3553     { 0, 2 },
3554     { 1, 2 },
3555     { 2, 2 },
3556   };
3557   struct LevelInfo_EM *level_em = level->native_em_level;
3558   struct CAVE *cav = level_em->cav;
3559   int i, j, x, y;
3560
3561   cav->width  = MIN(level->fieldx, MAX_PLAYFIELD_WIDTH);
3562   cav->height = MIN(level->fieldy, MAX_PLAYFIELD_HEIGHT);
3563
3564   cav->time_seconds     = level->time;
3565   cav->gems_needed      = level->gems_needed;
3566
3567   cav->emerald_score    = level->score[SC_EMERALD];
3568   cav->diamond_score    = level->score[SC_DIAMOND];
3569   cav->alien_score      = level->score[SC_ROBOT];
3570   cav->tank_score       = level->score[SC_SPACESHIP];
3571   cav->bug_score        = level->score[SC_BUG];
3572   cav->eater_score      = level->score[SC_YAMYAM];
3573   cav->nut_score        = level->score[SC_NUT];
3574   cav->dynamite_score   = level->score[SC_DYNAMITE];
3575   cav->key_score        = level->score[SC_KEY];
3576   cav->exit_score       = level->score[SC_TIME_BONUS];
3577
3578   cav->num_eater_arrays = level->num_yamyam_contents;
3579
3580   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
3581     for (y = 0; y < 3; y++)
3582       for (x = 0; x < 3; x++)
3583         cav->eater_array[i][y * 3 + x] =
3584           map_element_RND_to_EM_cave(level->yamyam_content[i].e[x][y]);
3585
3586   cav->amoeba_time              = level->amoeba_speed;
3587   cav->wonderwall_time          = level->time_magic_wall;
3588   cav->wheel_time               = level->time_wheel;
3589
3590   cav->android_move_time        = level->android_move_time;
3591   cav->android_clone_time       = level->android_clone_time;
3592   cav->ball_random              = level->ball_random;
3593   cav->ball_active              = level->ball_active_initial;
3594   cav->ball_time                = level->ball_time;
3595   cav->num_ball_arrays          = level->num_ball_contents;
3596
3597   cav->lenses_score             = level->lenses_score;
3598   cav->magnify_score            = level->magnify_score;
3599   cav->slurp_score              = level->slurp_score;
3600
3601   cav->lenses_time              = level->lenses_time;
3602   cav->magnify_time             = level->magnify_time;
3603
3604   cav->wind_direction =
3605     map_direction_RND_to_EM(level->wind_direction_initial);
3606
3607   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
3608     for (j = 0; j < 8; j++)
3609       cav->ball_array[i][j] =
3610         map_element_RND_to_EM_cave(level->ball_content[i].
3611                                    e[ball_xy[j][0]][ball_xy[j][1]]);
3612
3613   map_android_clone_elements_RND_to_EM(level);
3614
3615   // first fill the complete playfield with the empty space element
3616   for (y = 0; y < EM_MAX_CAVE_HEIGHT; y++)
3617     for (x = 0; x < EM_MAX_CAVE_WIDTH; x++)
3618       cav->cave[x][y] = Cblank;
3619
3620   // then copy the real level contents from level file into the playfield
3621   for (y = 0; y < cav->height; y++) for (x = 0; x < cav->width; x++)
3622   {
3623     int new_element = map_element_RND_to_EM_cave(level->field[x][y]);
3624
3625     if (level->field[x][y] == EL_AMOEBA_DEAD)
3626       new_element = map_element_RND_to_EM_cave(EL_AMOEBA_WET);
3627
3628     cav->cave[x][y] = new_element;
3629   }
3630
3631   for (i = 0; i < MAX_PLAYERS; i++)
3632   {
3633     cav->player_x[i] = -1;
3634     cav->player_y[i] = -1;
3635   }
3636
3637   // initialize player positions and delete players from the playfield
3638   for (y = 0; y < cav->height; y++) for (x = 0; x < cav->width; x++)
3639   {
3640     if (ELEM_IS_PLAYER(level->field[x][y]))
3641     {
3642       int player_nr = GET_PLAYER_NR(level->field[x][y]);
3643
3644       cav->player_x[player_nr] = x;
3645       cav->player_y[player_nr] = y;
3646
3647       cav->cave[x][y] = map_element_RND_to_EM_cave(EL_EMPTY);
3648     }
3649   }
3650 }
3651
3652 static void CopyNativeLevel_EM_to_RND(struct LevelInfo *level)
3653 {
3654   static int ball_xy[8][2] =
3655   {
3656     { 0, 0 },
3657     { 1, 0 },
3658     { 2, 0 },
3659     { 0, 1 },
3660     { 2, 1 },
3661     { 0, 2 },
3662     { 1, 2 },
3663     { 2, 2 },
3664   };
3665   struct LevelInfo_EM *level_em = level->native_em_level;
3666   struct CAVE *cav = level_em->cav;
3667   int i, j, x, y;
3668
3669   level->fieldx = MIN(cav->width,  MAX_LEV_FIELDX);
3670   level->fieldy = MIN(cav->height, MAX_LEV_FIELDY);
3671
3672   level->time        = cav->time_seconds;
3673   level->gems_needed = cav->gems_needed;
3674
3675   sprintf(level->name, "Level %d", level->file_info.nr);
3676
3677   level->score[SC_EMERALD]      = cav->emerald_score;
3678   level->score[SC_DIAMOND]      = cav->diamond_score;
3679   level->score[SC_ROBOT]        = cav->alien_score;
3680   level->score[SC_SPACESHIP]    = cav->tank_score;
3681   level->score[SC_BUG]          = cav->bug_score;
3682   level->score[SC_YAMYAM]       = cav->eater_score;
3683   level->score[SC_NUT]          = cav->nut_score;
3684   level->score[SC_DYNAMITE]     = cav->dynamite_score;
3685   level->score[SC_KEY]          = cav->key_score;
3686   level->score[SC_TIME_BONUS]   = cav->exit_score;
3687
3688   level->num_yamyam_contents    = cav->num_eater_arrays;
3689
3690   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
3691     for (y = 0; y < 3; y++)
3692       for (x = 0; x < 3; x++)
3693         level->yamyam_content[i].e[x][y] =
3694           map_element_EM_to_RND_cave(cav->eater_array[i][y * 3 + x]);
3695
3696   level->amoeba_speed           = cav->amoeba_time;
3697   level->time_magic_wall        = cav->wonderwall_time;
3698   level->time_wheel             = cav->wheel_time;
3699
3700   level->android_move_time      = cav->android_move_time;
3701   level->android_clone_time     = cav->android_clone_time;
3702   level->ball_random            = cav->ball_random;
3703   level->ball_active_initial    = cav->ball_active;
3704   level->ball_time              = cav->ball_time;
3705   level->num_ball_contents      = cav->num_ball_arrays;
3706
3707   level->lenses_score           = cav->lenses_score;
3708   level->magnify_score          = cav->magnify_score;
3709   level->slurp_score            = cav->slurp_score;
3710
3711   level->lenses_time            = cav->lenses_time;
3712   level->magnify_time           = cav->magnify_time;
3713
3714   level->wind_direction_initial =
3715     map_direction_EM_to_RND(cav->wind_direction);
3716
3717   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
3718     for (j = 0; j < 8; j++)
3719       level->ball_content[i].e[ball_xy[j][0]][ball_xy[j][1]] =
3720         map_element_EM_to_RND_cave(cav->ball_array[i][j]);
3721
3722   map_android_clone_elements_EM_to_RND(level);
3723
3724   // convert the playfield (some elements need special treatment)
3725   for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
3726   {
3727     int new_element = map_element_EM_to_RND_cave(cav->cave[x][y]);
3728
3729     if (new_element == EL_AMOEBA_WET && level->amoeba_speed == 0)
3730       new_element = EL_AMOEBA_DEAD;
3731
3732     level->field[x][y] = new_element;
3733   }
3734
3735   for (i = 0; i < MAX_PLAYERS; i++)
3736   {
3737     // in case of all players set to the same field, use the first player
3738     int nr = MAX_PLAYERS - i - 1;
3739     int jx = cav->player_x[nr];
3740     int jy = cav->player_y[nr];
3741
3742     if (jx != -1 && jy != -1)
3743       level->field[jx][jy] = EL_PLAYER_1 + nr;
3744   }
3745
3746   // time score is counted for each 10 seconds left in Emerald Mine levels
3747   level->time_score_base = 10;
3748 }
3749
3750
3751 // ----------------------------------------------------------------------------
3752 // functions for loading SP level
3753 // ----------------------------------------------------------------------------
3754
3755 static void CopyNativeLevel_RND_to_SP(struct LevelInfo *level)
3756 {
3757   struct LevelInfo_SP *level_sp = level->native_sp_level;
3758   LevelInfoType *header = &level_sp->header;
3759   int i, x, y;
3760
3761   level_sp->width  = level->fieldx;
3762   level_sp->height = level->fieldy;
3763
3764   for (x = 0; x < level->fieldx; x++)
3765     for (y = 0; y < level->fieldy; y++)
3766       level_sp->playfield[x][y] = map_element_RND_to_SP(level->field[x][y]);
3767
3768   header->InitialGravity = (level->initial_player_gravity[0] ? 1 : 0);
3769
3770   for (i = 0; i < SP_LEVEL_NAME_LEN; i++)
3771     header->LevelTitle[i] = level->name[i];
3772   // !!! NO STRING TERMINATION IN SUPAPLEX VB CODE YET -- FIX THIS !!!
3773
3774   header->InfotronsNeeded = level->gems_needed;
3775
3776   header->SpecialPortCount = 0;
3777
3778   for (x = 0; x < level->fieldx; x++) for (y = 0; y < level->fieldy; y++)
3779   {
3780     boolean gravity_port_found = FALSE;
3781     boolean gravity_port_valid = FALSE;
3782     int gravity_port_flag;
3783     int gravity_port_base_element;
3784     int element = level->field[x][y];
3785
3786     if (element >= EL_SP_GRAVITY_ON_PORT_RIGHT &&
3787         element <= EL_SP_GRAVITY_ON_PORT_UP)
3788     {
3789       gravity_port_found = TRUE;
3790       gravity_port_valid = TRUE;
3791       gravity_port_flag = 1;
3792       gravity_port_base_element = EL_SP_GRAVITY_ON_PORT_RIGHT;
3793     }
3794     else if (element >= EL_SP_GRAVITY_OFF_PORT_RIGHT &&
3795              element <= EL_SP_GRAVITY_OFF_PORT_UP)
3796     {
3797       gravity_port_found = TRUE;
3798       gravity_port_valid = TRUE;
3799       gravity_port_flag = 0;
3800       gravity_port_base_element = EL_SP_GRAVITY_OFF_PORT_RIGHT;
3801     }
3802     else if (element >= EL_SP_GRAVITY_PORT_RIGHT &&
3803              element <= EL_SP_GRAVITY_PORT_UP)
3804     {
3805       // change R'n'D style gravity inverting special port to normal port
3806       // (there are no gravity inverting ports in native Supaplex engine)
3807
3808       gravity_port_found = TRUE;
3809       gravity_port_valid = FALSE;
3810       gravity_port_base_element = EL_SP_GRAVITY_PORT_RIGHT;
3811     }
3812
3813     if (gravity_port_found)
3814     {
3815       if (gravity_port_valid &&
3816           header->SpecialPortCount < SP_MAX_SPECIAL_PORTS)
3817       {
3818         SpecialPortType *port = &header->SpecialPort[header->SpecialPortCount];
3819
3820         port->PortLocation = (y * level->fieldx + x) * 2;
3821         port->Gravity = gravity_port_flag;
3822
3823         element += EL_SP_GRAVITY_PORT_RIGHT - gravity_port_base_element;
3824
3825         header->SpecialPortCount++;
3826       }
3827       else
3828       {
3829         // change special gravity port to normal port
3830
3831         element += EL_SP_PORT_RIGHT - gravity_port_base_element;
3832       }
3833
3834       level_sp->playfield[x][y] = element - EL_SP_START;
3835     }
3836   }
3837 }
3838
3839 static void CopyNativeLevel_SP_to_RND(struct LevelInfo *level)
3840 {
3841   struct LevelInfo_SP *level_sp = level->native_sp_level;
3842   LevelInfoType *header = &level_sp->header;
3843   boolean num_invalid_elements = 0;
3844   int i, j, x, y;
3845
3846   level->fieldx = level_sp->width;
3847   level->fieldy = level_sp->height;
3848
3849   for (x = 0; x < level->fieldx; x++)
3850   {
3851     for (y = 0; y < level->fieldy; y++)
3852     {
3853       int element_old = level_sp->playfield[x][y];
3854       int element_new = getMappedElement(map_element_SP_to_RND(element_old));
3855
3856       if (element_new == EL_UNKNOWN)
3857       {
3858         num_invalid_elements++;
3859
3860         Debug("level:native:SP", "invalid element %d at position %d, %d",
3861               element_old, x, y);
3862       }
3863
3864       level->field[x][y] = element_new;
3865     }
3866   }
3867
3868   if (num_invalid_elements > 0)
3869     Warn("found %d invalid elements%s", num_invalid_elements,
3870          (!options.debug ? " (use '--debug' for more details)" : ""));
3871
3872   for (i = 0; i < MAX_PLAYERS; i++)
3873     level->initial_player_gravity[i] =
3874       (header->InitialGravity == 1 ? TRUE : FALSE);
3875
3876   // skip leading spaces
3877   for (i = 0; i < SP_LEVEL_NAME_LEN; i++)
3878     if (header->LevelTitle[i] != ' ')
3879       break;
3880
3881   // copy level title
3882   for (j = 0; i < SP_LEVEL_NAME_LEN; i++, j++)
3883     level->name[j] = header->LevelTitle[i];
3884   level->name[j] = '\0';
3885
3886   // cut trailing spaces
3887   for (; j > 0; j--)
3888     if (level->name[j - 1] == ' ' && level->name[j] == '\0')
3889       level->name[j - 1] = '\0';
3890
3891   level->gems_needed = header->InfotronsNeeded;
3892
3893   for (i = 0; i < header->SpecialPortCount; i++)
3894   {
3895     SpecialPortType *port = &header->SpecialPort[i];
3896     int port_location = port->PortLocation;
3897     int gravity = port->Gravity;
3898     int port_x, port_y, port_element;
3899
3900     port_x = (port_location / 2) % level->fieldx;
3901     port_y = (port_location / 2) / level->fieldx;
3902
3903     if (port_x < 0 || port_x >= level->fieldx ||
3904         port_y < 0 || port_y >= level->fieldy)
3905     {
3906       Warn("special port position (%d, %d) out of bounds", port_x, port_y);
3907
3908       continue;
3909     }
3910
3911     port_element = level->field[port_x][port_y];
3912
3913     if (port_element < EL_SP_GRAVITY_PORT_RIGHT ||
3914         port_element > EL_SP_GRAVITY_PORT_UP)
3915     {
3916       Warn("no special port at position (%d, %d)", port_x, port_y);
3917
3918       continue;
3919     }
3920
3921     // change previous (wrong) gravity inverting special port to either
3922     // gravity enabling special port or gravity disabling special port
3923     level->field[port_x][port_y] +=
3924       (gravity == 1 ? EL_SP_GRAVITY_ON_PORT_RIGHT :
3925        EL_SP_GRAVITY_OFF_PORT_RIGHT) - EL_SP_GRAVITY_PORT_RIGHT;
3926   }
3927
3928   // change special gravity ports without database entries to normal ports
3929   for (x = 0; x < level->fieldx; x++)
3930     for (y = 0; y < level->fieldy; y++)
3931       if (level->field[x][y] >= EL_SP_GRAVITY_PORT_RIGHT &&
3932           level->field[x][y] <= EL_SP_GRAVITY_PORT_UP)
3933         level->field[x][y] += EL_SP_PORT_RIGHT - EL_SP_GRAVITY_PORT_RIGHT;
3934
3935   level->time = 0;                      // no time limit
3936   level->amoeba_speed = 0;
3937   level->time_magic_wall = 0;
3938   level->time_wheel = 0;
3939   level->amoeba_content = EL_EMPTY;
3940
3941   // original Supaplex does not use score values -- rate by playing time
3942   for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
3943     level->score[i] = 0;
3944
3945   level->rate_time_over_score = TRUE;
3946
3947   // there are no yamyams in supaplex levels
3948   for (i = 0; i < level->num_yamyam_contents; i++)
3949     for (x = 0; x < 3; x++)
3950       for (y = 0; y < 3; y++)
3951         level->yamyam_content[i].e[x][y] = EL_EMPTY;
3952 }
3953
3954 static void CopyNativeTape_RND_to_SP(struct LevelInfo *level)
3955 {
3956   struct LevelInfo_SP *level_sp = level->native_sp_level;
3957   struct DemoInfo_SP *demo = &level_sp->demo;
3958   int i, j;
3959
3960   // always start with reliable default values
3961   demo->is_available = FALSE;
3962   demo->length = 0;
3963
3964   if (TAPE_IS_EMPTY(tape))
3965     return;
3966
3967   demo->level_nr = tape.level_nr;       // (currently not used)
3968
3969   level_sp->header.DemoRandomSeed = tape.random_seed;
3970
3971   demo->length = 0;
3972
3973   for (i = 0; i < tape.length; i++)
3974   {
3975     int demo_action = map_key_RND_to_SP(tape.pos[i].action[0]);
3976     int demo_repeat = tape.pos[i].delay;
3977     int demo_entries = (demo_repeat + 15) / 16;
3978
3979     if (demo->length + demo_entries >= SP_MAX_TAPE_LEN)
3980     {
3981       Warn("tape truncated: size exceeds maximum SP demo size %d",
3982            SP_MAX_TAPE_LEN);
3983
3984       break;
3985     }
3986
3987     for (j = 0; j < demo_repeat / 16; j++)
3988       demo->data[demo->length++] = 0xf0 | demo_action;
3989
3990     if (demo_repeat % 16)
3991       demo->data[demo->length++] = ((demo_repeat % 16 - 1) << 4) | demo_action;
3992   }
3993
3994   demo->is_available = TRUE;
3995 }
3996
3997 static void setTapeInfoToDefaults(void);
3998
3999 static void CopyNativeTape_SP_to_RND(struct LevelInfo *level)
4000 {
4001   struct LevelInfo_SP *level_sp = level->native_sp_level;
4002   struct DemoInfo_SP *demo = &level_sp->demo;
4003   char *filename = level->file_info.filename;
4004   int i;
4005
4006   // always start with reliable default values
4007   setTapeInfoToDefaults();
4008
4009   if (!demo->is_available)
4010     return;
4011
4012   tape.level_nr = demo->level_nr;       // (currently not used)
4013   tape.random_seed = level_sp->header.DemoRandomSeed;
4014
4015   TapeSetDateFromEpochSeconds(getFileTimestampEpochSeconds(filename));
4016
4017   tape.counter = 0;
4018   tape.pos[tape.counter].delay = 0;
4019
4020   for (i = 0; i < demo->length; i++)
4021   {
4022     int demo_action = demo->data[i] & 0x0f;
4023     int demo_repeat = (demo->data[i] & 0xf0) >> 4;
4024     int tape_action = map_key_SP_to_RND(demo_action);
4025     int tape_repeat = demo_repeat + 1;
4026     byte action[MAX_TAPE_ACTIONS] = { tape_action };
4027     boolean success = 0;
4028     int j;
4029
4030     for (j = 0; j < tape_repeat; j++)
4031       success = TapeAddAction(action);
4032
4033     if (!success)
4034     {
4035       Warn("SP demo truncated: size exceeds maximum tape size %d",
4036            MAX_TAPE_LEN);
4037
4038       break;
4039     }
4040   }
4041
4042   TapeHaltRecording();
4043 }
4044
4045
4046 // ----------------------------------------------------------------------------
4047 // functions for loading MM level
4048 // ----------------------------------------------------------------------------
4049
4050 static void CopyNativeLevel_RND_to_MM(struct LevelInfo *level)
4051 {
4052   struct LevelInfo_MM *level_mm = level->native_mm_level;
4053   int x, y;
4054
4055   level_mm->fieldx = MIN(level->fieldx, MM_MAX_PLAYFIELD_WIDTH);
4056   level_mm->fieldy = MIN(level->fieldy, MM_MAX_PLAYFIELD_HEIGHT);
4057
4058   level_mm->time = level->time;
4059   level_mm->kettles_needed = level->gems_needed;
4060   level_mm->auto_count_kettles = level->auto_count_gems;
4061
4062   level_mm->laser_red = level->mm_laser_red;
4063   level_mm->laser_green = level->mm_laser_green;
4064   level_mm->laser_blue = level->mm_laser_blue;
4065
4066   strcpy(level_mm->name, level->name);
4067   strcpy(level_mm->author, level->author);
4068
4069   level_mm->score[SC_EMERALD]    = level->score[SC_EMERALD];
4070   level_mm->score[SC_PACMAN]     = level->score[SC_PACMAN];
4071   level_mm->score[SC_KEY]        = level->score[SC_KEY];
4072   level_mm->score[SC_TIME_BONUS] = level->score[SC_TIME_BONUS];
4073   level_mm->score[SC_ELEM_BONUS] = level->score[SC_ELEM_BONUS];
4074
4075   level_mm->amoeba_speed = level->amoeba_speed;
4076   level_mm->time_fuse    = level->mm_time_fuse;
4077   level_mm->time_bomb    = level->mm_time_bomb;
4078   level_mm->time_ball    = level->mm_time_ball;
4079   level_mm->time_block   = level->mm_time_block;
4080
4081   for (x = 0; x < level->fieldx; x++)
4082     for (y = 0; y < level->fieldy; y++)
4083       Ur[x][y] =
4084         level_mm->field[x][y] = map_element_RND_to_MM(level->field[x][y]);
4085 }
4086
4087 static void CopyNativeLevel_MM_to_RND(struct LevelInfo *level)
4088 {
4089   struct LevelInfo_MM *level_mm = level->native_mm_level;
4090   int x, y;
4091
4092   level->fieldx = MIN(level_mm->fieldx, MAX_LEV_FIELDX);
4093   level->fieldy = MIN(level_mm->fieldy, MAX_LEV_FIELDY);
4094
4095   level->time = level_mm->time;
4096   level->gems_needed = level_mm->kettles_needed;
4097   level->auto_count_gems = level_mm->auto_count_kettles;
4098
4099   level->mm_laser_red = level_mm->laser_red;
4100   level->mm_laser_green = level_mm->laser_green;
4101   level->mm_laser_blue = level_mm->laser_blue;
4102
4103   strcpy(level->name, level_mm->name);
4104
4105   // only overwrite author from 'levelinfo.conf' if author defined in level
4106   if (!strEqual(level_mm->author, ANONYMOUS_NAME))
4107     strcpy(level->author, level_mm->author);
4108
4109   level->score[SC_EMERALD]    = level_mm->score[SC_EMERALD];
4110   level->score[SC_PACMAN]     = level_mm->score[SC_PACMAN];
4111   level->score[SC_KEY]        = level_mm->score[SC_KEY];
4112   level->score[SC_TIME_BONUS] = level_mm->score[SC_TIME_BONUS];
4113   level->score[SC_ELEM_BONUS] = level_mm->score[SC_ELEM_BONUS];
4114
4115   level->amoeba_speed  = level_mm->amoeba_speed;
4116   level->mm_time_fuse  = level_mm->time_fuse;
4117   level->mm_time_bomb  = level_mm->time_bomb;
4118   level->mm_time_ball  = level_mm->time_ball;
4119   level->mm_time_block = level_mm->time_block;
4120
4121   for (x = 0; x < level->fieldx; x++)
4122     for (y = 0; y < level->fieldy; y++)
4123       level->field[x][y] = map_element_MM_to_RND(level_mm->field[x][y]);
4124 }
4125
4126
4127 // ----------------------------------------------------------------------------
4128 // functions for loading DC level
4129 // ----------------------------------------------------------------------------
4130
4131 #define DC_LEVEL_HEADER_SIZE            344
4132
4133 static unsigned short getDecodedWord_DC(unsigned short data_encoded,
4134                                         boolean init)
4135 {
4136   static int last_data_encoded;
4137   static int offset1;
4138   static int offset2;
4139   int diff;
4140   int diff_hi, diff_lo;
4141   int data_hi, data_lo;
4142   unsigned short data_decoded;
4143
4144   if (init)
4145   {
4146     last_data_encoded = 0;
4147     offset1 = -1;
4148     offset2 = 0;
4149
4150     return 0;
4151   }
4152
4153   diff = data_encoded - last_data_encoded;
4154   diff_hi = diff & ~0xff;
4155   diff_lo = diff &  0xff;
4156
4157   offset2 += diff_lo;
4158
4159   data_hi = diff_hi - (offset1 << 8) + (offset2 & 0xff00);
4160   data_lo = (diff_lo + (data_hi >> 16)) & 0x00ff;
4161   data_hi = data_hi & 0xff00;
4162
4163   data_decoded = data_hi | data_lo;
4164
4165   last_data_encoded = data_encoded;
4166
4167   offset1 = (offset1 + 1) % 31;
4168   offset2 = offset2 & 0xff;
4169
4170   return data_decoded;
4171 }
4172
4173 static int getMappedElement_DC(int element)
4174 {
4175   switch (element)
4176   {
4177     case 0x0000:
4178       element = EL_ROCK;
4179       break;
4180
4181       // 0x0117 - 0x036e: (?)
4182       // EL_DIAMOND
4183
4184       // 0x042d - 0x0684: (?)
4185       // EL_EMERALD
4186
4187     case 0x06f1:
4188       element = EL_NUT;
4189       break;
4190
4191     case 0x074c:
4192       element = EL_BOMB;
4193       break;
4194
4195     case 0x07a4:
4196       element = EL_PEARL;
4197       break;
4198
4199     case 0x0823:
4200       element = EL_CRYSTAL;
4201       break;
4202
4203     case 0x0e77:        // quicksand (boulder)
4204       element = EL_QUICKSAND_FAST_FULL;
4205       break;
4206
4207     case 0x0e99:        // slow quicksand (boulder)
4208       element = EL_QUICKSAND_FULL;
4209       break;
4210
4211     case 0x0ed2:
4212       element = EL_EM_EXIT_OPEN;
4213       break;
4214
4215     case 0x0ee3:
4216       element = EL_EM_EXIT_CLOSED;
4217       break;
4218
4219     case 0x0eeb:
4220       element = EL_EM_STEEL_EXIT_OPEN;
4221       break;
4222
4223     case 0x0efc:
4224       element = EL_EM_STEEL_EXIT_CLOSED;
4225       break;
4226
4227     case 0x0f4f:        // dynamite (lit 1)
4228       element = EL_EM_DYNAMITE_ACTIVE;
4229       break;
4230
4231     case 0x0f57:        // dynamite (lit 2)
4232       element = EL_EM_DYNAMITE_ACTIVE;
4233       break;
4234
4235     case 0x0f5f:        // dynamite (lit 3)
4236       element = EL_EM_DYNAMITE_ACTIVE;
4237       break;
4238
4239     case 0x0f67:        // dynamite (lit 4)
4240       element = EL_EM_DYNAMITE_ACTIVE;
4241       break;
4242
4243     case 0x0f81:
4244     case 0x0f82:
4245     case 0x0f83:
4246     case 0x0f84:
4247       element = EL_AMOEBA_WET;
4248       break;
4249
4250     case 0x0f85:
4251       element = EL_AMOEBA_DROP;
4252       break;
4253
4254     case 0x0fb9:
4255       element = EL_DC_MAGIC_WALL;
4256       break;
4257
4258     case 0x0fd0:
4259       element = EL_SPACESHIP_UP;
4260       break;
4261
4262     case 0x0fd9:
4263       element = EL_SPACESHIP_DOWN;
4264       break;
4265
4266     case 0x0ff1:
4267       element = EL_SPACESHIP_LEFT;
4268       break;
4269
4270     case 0x0ff9:
4271       element = EL_SPACESHIP_RIGHT;
4272       break;
4273
4274     case 0x1057:
4275       element = EL_BUG_UP;
4276       break;
4277
4278     case 0x1060:
4279       element = EL_BUG_DOWN;
4280       break;
4281
4282     case 0x1078:
4283       element = EL_BUG_LEFT;
4284       break;
4285
4286     case 0x1080:
4287       element = EL_BUG_RIGHT;
4288       break;
4289
4290     case 0x10de:
4291       element = EL_MOLE_UP;
4292       break;
4293
4294     case 0x10e7:
4295       element = EL_MOLE_DOWN;
4296       break;
4297
4298     case 0x10ff:
4299       element = EL_MOLE_LEFT;
4300       break;
4301
4302     case 0x1107:
4303       element = EL_MOLE_RIGHT;
4304       break;
4305
4306     case 0x11c0:
4307       element = EL_ROBOT;
4308       break;
4309
4310     case 0x13f5:
4311       element = EL_YAMYAM_UP;
4312       break;
4313
4314     case 0x1425:
4315       element = EL_SWITCHGATE_OPEN;
4316       break;
4317
4318     case 0x1426:
4319       element = EL_SWITCHGATE_CLOSED;
4320       break;
4321
4322     case 0x1437:
4323       element = EL_DC_SWITCHGATE_SWITCH_UP;
4324       break;
4325
4326     case 0x143a:
4327       element = EL_TIMEGATE_CLOSED;
4328       break;
4329
4330     case 0x144c:        // conveyor belt switch (green)
4331       element = EL_CONVEYOR_BELT_3_SWITCH_MIDDLE;
4332       break;
4333
4334     case 0x144f:        // conveyor belt switch (red)
4335       element = EL_CONVEYOR_BELT_1_SWITCH_MIDDLE;
4336       break;
4337
4338     case 0x1452:        // conveyor belt switch (blue)
4339       element = EL_CONVEYOR_BELT_4_SWITCH_MIDDLE;
4340       break;
4341
4342     case 0x145b:
4343       element = EL_CONVEYOR_BELT_3_MIDDLE;
4344       break;
4345
4346     case 0x1463:
4347       element = EL_CONVEYOR_BELT_3_LEFT;
4348       break;
4349
4350     case 0x146b:
4351       element = EL_CONVEYOR_BELT_3_RIGHT;
4352       break;
4353
4354     case 0x1473:
4355       element = EL_CONVEYOR_BELT_1_MIDDLE;
4356       break;
4357
4358     case 0x147b:
4359       element = EL_CONVEYOR_BELT_1_LEFT;
4360       break;
4361
4362     case 0x1483:
4363       element = EL_CONVEYOR_BELT_1_RIGHT;
4364       break;
4365
4366     case 0x148b:
4367       element = EL_CONVEYOR_BELT_4_MIDDLE;
4368       break;
4369
4370     case 0x1493:
4371       element = EL_CONVEYOR_BELT_4_LEFT;
4372       break;
4373
4374     case 0x149b:
4375       element = EL_CONVEYOR_BELT_4_RIGHT;
4376       break;
4377
4378     case 0x14ac:
4379       element = EL_EXPANDABLE_WALL_HORIZONTAL;
4380       break;
4381
4382     case 0x14bd:
4383       element = EL_EXPANDABLE_WALL_VERTICAL;
4384       break;
4385
4386     case 0x14c6:
4387       element = EL_EXPANDABLE_WALL_ANY;
4388       break;
4389
4390     case 0x14ce:        // growing steel wall (left/right)
4391       element = EL_EXPANDABLE_STEELWALL_HORIZONTAL;
4392       break;
4393
4394     case 0x14df:        // growing steel wall (up/down)
4395       element = EL_EXPANDABLE_STEELWALL_VERTICAL;
4396       break;
4397
4398     case 0x14e8:        // growing steel wall (up/down/left/right)
4399       element = EL_EXPANDABLE_STEELWALL_ANY;
4400       break;
4401
4402     case 0x14e9:
4403       element = EL_SHIELD_DEADLY;
4404       break;
4405
4406     case 0x1501:
4407       element = EL_EXTRA_TIME;
4408       break;
4409
4410     case 0x154f:
4411       element = EL_ACID;
4412       break;
4413
4414     case 0x1577:
4415       element = EL_EMPTY_SPACE;
4416       break;
4417
4418     case 0x1578:        // quicksand (empty)
4419       element = EL_QUICKSAND_FAST_EMPTY;
4420       break;
4421
4422     case 0x1579:        // slow quicksand (empty)
4423       element = EL_QUICKSAND_EMPTY;
4424       break;
4425
4426       // 0x157c - 0x158b:
4427       // EL_SAND
4428
4429       // 0x1590 - 0x159f:
4430       // EL_DC_LANDMINE
4431
4432     case 0x15a0:
4433       element = EL_EM_DYNAMITE;
4434       break;
4435
4436     case 0x15a1:        // key (red)
4437       element = EL_EM_KEY_1;
4438       break;
4439
4440     case 0x15a2:        // key (yellow)
4441       element = EL_EM_KEY_2;
4442       break;
4443
4444     case 0x15a3:        // key (blue)
4445       element = EL_EM_KEY_4;
4446       break;
4447
4448     case 0x15a4:        // key (green)
4449       element = EL_EM_KEY_3;
4450       break;
4451
4452     case 0x15a5:        // key (white)
4453       element = EL_DC_KEY_WHITE;
4454       break;
4455
4456     case 0x15a6:
4457       element = EL_WALL_SLIPPERY;
4458       break;
4459
4460     case 0x15a7:
4461       element = EL_WALL;
4462       break;
4463
4464     case 0x15a8:        // wall (not round)
4465       element = EL_WALL;
4466       break;
4467
4468     case 0x15a9:        // (blue)
4469       element = EL_CHAR_A;
4470       break;
4471
4472     case 0x15aa:        // (blue)
4473       element = EL_CHAR_B;
4474       break;
4475
4476     case 0x15ab:        // (blue)
4477       element = EL_CHAR_C;
4478       break;
4479
4480     case 0x15ac:        // (blue)
4481       element = EL_CHAR_D;
4482       break;
4483
4484     case 0x15ad:        // (blue)
4485       element = EL_CHAR_E;
4486       break;
4487
4488     case 0x15ae:        // (blue)
4489       element = EL_CHAR_F;
4490       break;
4491
4492     case 0x15af:        // (blue)
4493       element = EL_CHAR_G;
4494       break;
4495
4496     case 0x15b0:        // (blue)
4497       element = EL_CHAR_H;
4498       break;
4499
4500     case 0x15b1:        // (blue)
4501       element = EL_CHAR_I;
4502       break;
4503
4504     case 0x15b2:        // (blue)
4505       element = EL_CHAR_J;
4506       break;
4507
4508     case 0x15b3:        // (blue)
4509       element = EL_CHAR_K;
4510       break;
4511
4512     case 0x15b4:        // (blue)
4513       element = EL_CHAR_L;
4514       break;
4515
4516     case 0x15b5:        // (blue)
4517       element = EL_CHAR_M;
4518       break;
4519
4520     case 0x15b6:        // (blue)
4521       element = EL_CHAR_N;
4522       break;
4523
4524     case 0x15b7:        // (blue)
4525       element = EL_CHAR_O;
4526       break;
4527
4528     case 0x15b8:        // (blue)
4529       element = EL_CHAR_P;
4530       break;
4531
4532     case 0x15b9:        // (blue)
4533       element = EL_CHAR_Q;
4534       break;
4535
4536     case 0x15ba:        // (blue)
4537       element = EL_CHAR_R;
4538       break;
4539
4540     case 0x15bb:        // (blue)
4541       element = EL_CHAR_S;
4542       break;
4543
4544     case 0x15bc:        // (blue)
4545       element = EL_CHAR_T;
4546       break;
4547
4548     case 0x15bd:        // (blue)
4549       element = EL_CHAR_U;
4550       break;
4551
4552     case 0x15be:        // (blue)
4553       element = EL_CHAR_V;
4554       break;
4555
4556     case 0x15bf:        // (blue)
4557       element = EL_CHAR_W;
4558       break;
4559
4560     case 0x15c0:        // (blue)
4561       element = EL_CHAR_X;
4562       break;
4563
4564     case 0x15c1:        // (blue)
4565       element = EL_CHAR_Y;
4566       break;
4567
4568     case 0x15c2:        // (blue)
4569       element = EL_CHAR_Z;
4570       break;
4571
4572     case 0x15c3:        // (blue)
4573       element = EL_CHAR_AUMLAUT;
4574       break;
4575
4576     case 0x15c4:        // (blue)
4577       element = EL_CHAR_OUMLAUT;
4578       break;
4579
4580     case 0x15c5:        // (blue)
4581       element = EL_CHAR_UUMLAUT;
4582       break;
4583
4584     case 0x15c6:        // (blue)
4585       element = EL_CHAR_0;
4586       break;
4587
4588     case 0x15c7:        // (blue)
4589       element = EL_CHAR_1;
4590       break;
4591
4592     case 0x15c8:        // (blue)
4593       element = EL_CHAR_2;
4594       break;
4595
4596     case 0x15c9:        // (blue)
4597       element = EL_CHAR_3;
4598       break;
4599
4600     case 0x15ca:        // (blue)
4601       element = EL_CHAR_4;
4602       break;
4603
4604     case 0x15cb:        // (blue)
4605       element = EL_CHAR_5;
4606       break;
4607
4608     case 0x15cc:        // (blue)
4609       element = EL_CHAR_6;
4610       break;
4611
4612     case 0x15cd:        // (blue)
4613       element = EL_CHAR_7;
4614       break;
4615
4616     case 0x15ce:        // (blue)
4617       element = EL_CHAR_8;
4618       break;
4619
4620     case 0x15cf:        // (blue)
4621       element = EL_CHAR_9;
4622       break;
4623
4624     case 0x15d0:        // (blue)
4625       element = EL_CHAR_PERIOD;
4626       break;
4627
4628     case 0x15d1:        // (blue)
4629       element = EL_CHAR_EXCLAM;
4630       break;
4631
4632     case 0x15d2:        // (blue)
4633       element = EL_CHAR_COLON;
4634       break;
4635
4636     case 0x15d3:        // (blue)
4637       element = EL_CHAR_LESS;
4638       break;
4639
4640     case 0x15d4:        // (blue)
4641       element = EL_CHAR_GREATER;
4642       break;
4643
4644     case 0x15d5:        // (blue)
4645       element = EL_CHAR_QUESTION;
4646       break;
4647
4648     case 0x15d6:        // (blue)
4649       element = EL_CHAR_COPYRIGHT;
4650       break;
4651
4652     case 0x15d7:        // (blue)
4653       element = EL_CHAR_UP;
4654       break;
4655
4656     case 0x15d8:        // (blue)
4657       element = EL_CHAR_DOWN;
4658       break;
4659
4660     case 0x15d9:        // (blue)
4661       element = EL_CHAR_BUTTON;
4662       break;
4663
4664     case 0x15da:        // (blue)
4665       element = EL_CHAR_PLUS;
4666       break;
4667
4668     case 0x15db:        // (blue)
4669       element = EL_CHAR_MINUS;
4670       break;
4671
4672     case 0x15dc:        // (blue)
4673       element = EL_CHAR_APOSTROPHE;
4674       break;
4675
4676     case 0x15dd:        // (blue)
4677       element = EL_CHAR_PARENLEFT;
4678       break;
4679
4680     case 0x15de:        // (blue)
4681       element = EL_CHAR_PARENRIGHT;
4682       break;
4683
4684     case 0x15df:        // (green)
4685       element = EL_CHAR_A;
4686       break;
4687
4688     case 0x15e0:        // (green)
4689       element = EL_CHAR_B;
4690       break;
4691
4692     case 0x15e1:        // (green)
4693       element = EL_CHAR_C;
4694       break;
4695
4696     case 0x15e2:        // (green)
4697       element = EL_CHAR_D;
4698       break;
4699
4700     case 0x15e3:        // (green)
4701       element = EL_CHAR_E;
4702       break;
4703
4704     case 0x15e4:        // (green)
4705       element = EL_CHAR_F;
4706       break;
4707
4708     case 0x15e5:        // (green)
4709       element = EL_CHAR_G;
4710       break;
4711
4712     case 0x15e6:        // (green)
4713       element = EL_CHAR_H;
4714       break;
4715
4716     case 0x15e7:        // (green)
4717       element = EL_CHAR_I;
4718       break;
4719
4720     case 0x15e8:        // (green)
4721       element = EL_CHAR_J;
4722       break;
4723
4724     case 0x15e9:        // (green)
4725       element = EL_CHAR_K;
4726       break;
4727
4728     case 0x15ea:        // (green)
4729       element = EL_CHAR_L;
4730       break;
4731
4732     case 0x15eb:        // (green)
4733       element = EL_CHAR_M;
4734       break;
4735
4736     case 0x15ec:        // (green)
4737       element = EL_CHAR_N;
4738       break;
4739
4740     case 0x15ed:        // (green)
4741       element = EL_CHAR_O;
4742       break;
4743
4744     case 0x15ee:        // (green)
4745       element = EL_CHAR_P;
4746       break;
4747
4748     case 0x15ef:        // (green)
4749       element = EL_CHAR_Q;
4750       break;
4751
4752     case 0x15f0:        // (green)
4753       element = EL_CHAR_R;
4754       break;
4755
4756     case 0x15f1:        // (green)
4757       element = EL_CHAR_S;
4758       break;
4759
4760     case 0x15f2:        // (green)
4761       element = EL_CHAR_T;
4762       break;
4763
4764     case 0x15f3:        // (green)
4765       element = EL_CHAR_U;
4766       break;
4767
4768     case 0x15f4:        // (green)
4769       element = EL_CHAR_V;
4770       break;
4771
4772     case 0x15f5:        // (green)
4773       element = EL_CHAR_W;
4774       break;
4775
4776     case 0x15f6:        // (green)
4777       element = EL_CHAR_X;
4778       break;
4779
4780     case 0x15f7:        // (green)
4781       element = EL_CHAR_Y;
4782       break;
4783
4784     case 0x15f8:        // (green)
4785       element = EL_CHAR_Z;
4786       break;
4787
4788     case 0x15f9:        // (green)
4789       element = EL_CHAR_AUMLAUT;
4790       break;
4791
4792     case 0x15fa:        // (green)
4793       element = EL_CHAR_OUMLAUT;
4794       break;
4795
4796     case 0x15fb:        // (green)
4797       element = EL_CHAR_UUMLAUT;
4798       break;
4799
4800     case 0x15fc:        // (green)
4801       element = EL_CHAR_0;
4802       break;
4803
4804     case 0x15fd:        // (green)
4805       element = EL_CHAR_1;
4806       break;
4807
4808     case 0x15fe:        // (green)
4809       element = EL_CHAR_2;
4810       break;
4811
4812     case 0x15ff:        // (green)
4813       element = EL_CHAR_3;
4814       break;
4815
4816     case 0x1600:        // (green)
4817       element = EL_CHAR_4;
4818       break;
4819
4820     case 0x1601:        // (green)
4821       element = EL_CHAR_5;
4822       break;
4823
4824     case 0x1602:        // (green)
4825       element = EL_CHAR_6;
4826       break;
4827
4828     case 0x1603:        // (green)
4829       element = EL_CHAR_7;
4830       break;
4831
4832     case 0x1604:        // (green)
4833       element = EL_CHAR_8;
4834       break;
4835
4836     case 0x1605:        // (green)
4837       element = EL_CHAR_9;
4838       break;
4839
4840     case 0x1606:        // (green)
4841       element = EL_CHAR_PERIOD;
4842       break;
4843
4844     case 0x1607:        // (green)
4845       element = EL_CHAR_EXCLAM;
4846       break;
4847
4848     case 0x1608:        // (green)
4849       element = EL_CHAR_COLON;
4850       break;
4851
4852     case 0x1609:        // (green)
4853       element = EL_CHAR_LESS;
4854       break;
4855
4856     case 0x160a:        // (green)
4857       element = EL_CHAR_GREATER;
4858       break;
4859
4860     case 0x160b:        // (green)
4861       element = EL_CHAR_QUESTION;
4862       break;
4863
4864     case 0x160c:        // (green)
4865       element = EL_CHAR_COPYRIGHT;
4866       break;
4867
4868     case 0x160d:        // (green)
4869       element = EL_CHAR_UP;
4870       break;
4871
4872     case 0x160e:        // (green)
4873       element = EL_CHAR_DOWN;
4874       break;
4875
4876     case 0x160f:        // (green)
4877       element = EL_CHAR_BUTTON;
4878       break;
4879
4880     case 0x1610:        // (green)
4881       element = EL_CHAR_PLUS;
4882       break;
4883
4884     case 0x1611:        // (green)
4885       element = EL_CHAR_MINUS;
4886       break;
4887
4888     case 0x1612:        // (green)
4889       element = EL_CHAR_APOSTROPHE;
4890       break;
4891
4892     case 0x1613:        // (green)
4893       element = EL_CHAR_PARENLEFT;
4894       break;
4895
4896     case 0x1614:        // (green)
4897       element = EL_CHAR_PARENRIGHT;
4898       break;
4899
4900     case 0x1615:        // (blue steel)
4901       element = EL_STEEL_CHAR_A;
4902       break;
4903
4904     case 0x1616:        // (blue steel)
4905       element = EL_STEEL_CHAR_B;
4906       break;
4907
4908     case 0x1617:        // (blue steel)
4909       element = EL_STEEL_CHAR_C;
4910       break;
4911
4912     case 0x1618:        // (blue steel)
4913       element = EL_STEEL_CHAR_D;
4914       break;
4915
4916     case 0x1619:        // (blue steel)
4917       element = EL_STEEL_CHAR_E;
4918       break;
4919
4920     case 0x161a:        // (blue steel)
4921       element = EL_STEEL_CHAR_F;
4922       break;
4923
4924     case 0x161b:        // (blue steel)
4925       element = EL_STEEL_CHAR_G;
4926       break;
4927
4928     case 0x161c:        // (blue steel)
4929       element = EL_STEEL_CHAR_H;
4930       break;
4931
4932     case 0x161d:        // (blue steel)
4933       element = EL_STEEL_CHAR_I;
4934       break;
4935
4936     case 0x161e:        // (blue steel)
4937       element = EL_STEEL_CHAR_J;
4938       break;
4939
4940     case 0x161f:        // (blue steel)
4941       element = EL_STEEL_CHAR_K;
4942       break;
4943
4944     case 0x1620:        // (blue steel)
4945       element = EL_STEEL_CHAR_L;
4946       break;
4947
4948     case 0x1621:        // (blue steel)
4949       element = EL_STEEL_CHAR_M;
4950       break;
4951
4952     case 0x1622:        // (blue steel)
4953       element = EL_STEEL_CHAR_N;
4954       break;
4955
4956     case 0x1623:        // (blue steel)
4957       element = EL_STEEL_CHAR_O;
4958       break;
4959
4960     case 0x1624:        // (blue steel)
4961       element = EL_STEEL_CHAR_P;
4962       break;
4963
4964     case 0x1625:        // (blue steel)
4965       element = EL_STEEL_CHAR_Q;
4966       break;
4967
4968     case 0x1626:        // (blue steel)
4969       element = EL_STEEL_CHAR_R;
4970       break;
4971
4972     case 0x1627:        // (blue steel)
4973       element = EL_STEEL_CHAR_S;
4974       break;
4975
4976     case 0x1628:        // (blue steel)
4977       element = EL_STEEL_CHAR_T;
4978       break;
4979
4980     case 0x1629:        // (blue steel)
4981       element = EL_STEEL_CHAR_U;
4982       break;
4983
4984     case 0x162a:        // (blue steel)
4985       element = EL_STEEL_CHAR_V;
4986       break;
4987
4988     case 0x162b:        // (blue steel)
4989       element = EL_STEEL_CHAR_W;
4990       break;
4991
4992     case 0x162c:        // (blue steel)
4993       element = EL_STEEL_CHAR_X;
4994       break;
4995
4996     case 0x162d:        // (blue steel)
4997       element = EL_STEEL_CHAR_Y;
4998       break;
4999
5000     case 0x162e:        // (blue steel)
5001       element = EL_STEEL_CHAR_Z;
5002       break;
5003
5004     case 0x162f:        // (blue steel)
5005       element = EL_STEEL_CHAR_AUMLAUT;
5006       break;
5007
5008     case 0x1630:        // (blue steel)
5009       element = EL_STEEL_CHAR_OUMLAUT;
5010       break;
5011
5012     case 0x1631:        // (blue steel)
5013       element = EL_STEEL_CHAR_UUMLAUT;
5014       break;
5015
5016     case 0x1632:        // (blue steel)
5017       element = EL_STEEL_CHAR_0;
5018       break;
5019
5020     case 0x1633:        // (blue steel)
5021       element = EL_STEEL_CHAR_1;
5022       break;
5023
5024     case 0x1634:        // (blue steel)
5025       element = EL_STEEL_CHAR_2;
5026       break;
5027
5028     case 0x1635:        // (blue steel)
5029       element = EL_STEEL_CHAR_3;
5030       break;
5031
5032     case 0x1636:        // (blue steel)
5033       element = EL_STEEL_CHAR_4;
5034       break;
5035
5036     case 0x1637:        // (blue steel)
5037       element = EL_STEEL_CHAR_5;
5038       break;
5039
5040     case 0x1638:        // (blue steel)
5041       element = EL_STEEL_CHAR_6;
5042       break;
5043
5044     case 0x1639:        // (blue steel)
5045       element = EL_STEEL_CHAR_7;
5046       break;
5047
5048     case 0x163a:        // (blue steel)
5049       element = EL_STEEL_CHAR_8;
5050       break;
5051
5052     case 0x163b:        // (blue steel)
5053       element = EL_STEEL_CHAR_9;
5054       break;
5055
5056     case 0x163c:        // (blue steel)
5057       element = EL_STEEL_CHAR_PERIOD;
5058       break;
5059
5060     case 0x163d:        // (blue steel)
5061       element = EL_STEEL_CHAR_EXCLAM;
5062       break;
5063
5064     case 0x163e:        // (blue steel)
5065       element = EL_STEEL_CHAR_COLON;
5066       break;
5067
5068     case 0x163f:        // (blue steel)
5069       element = EL_STEEL_CHAR_LESS;
5070       break;
5071
5072     case 0x1640:        // (blue steel)
5073       element = EL_STEEL_CHAR_GREATER;
5074       break;
5075
5076     case 0x1641:        // (blue steel)
5077       element = EL_STEEL_CHAR_QUESTION;
5078       break;
5079
5080     case 0x1642:        // (blue steel)
5081       element = EL_STEEL_CHAR_COPYRIGHT;
5082       break;
5083
5084     case 0x1643:        // (blue steel)
5085       element = EL_STEEL_CHAR_UP;
5086       break;
5087
5088     case 0x1644:        // (blue steel)
5089       element = EL_STEEL_CHAR_DOWN;
5090       break;
5091
5092     case 0x1645:        // (blue steel)
5093       element = EL_STEEL_CHAR_BUTTON;
5094       break;
5095
5096     case 0x1646:        // (blue steel)
5097       element = EL_STEEL_CHAR_PLUS;
5098       break;
5099
5100     case 0x1647:        // (blue steel)
5101       element = EL_STEEL_CHAR_MINUS;
5102       break;
5103
5104     case 0x1648:        // (blue steel)
5105       element = EL_STEEL_CHAR_APOSTROPHE;
5106       break;
5107
5108     case 0x1649:        // (blue steel)
5109       element = EL_STEEL_CHAR_PARENLEFT;
5110       break;
5111
5112     case 0x164a:        // (blue steel)
5113       element = EL_STEEL_CHAR_PARENRIGHT;
5114       break;
5115
5116     case 0x164b:        // (green steel)
5117       element = EL_STEEL_CHAR_A;
5118       break;
5119
5120     case 0x164c:        // (green steel)
5121       element = EL_STEEL_CHAR_B;
5122       break;
5123
5124     case 0x164d:        // (green steel)
5125       element = EL_STEEL_CHAR_C;
5126       break;
5127
5128     case 0x164e:        // (green steel)
5129       element = EL_STEEL_CHAR_D;
5130       break;
5131
5132     case 0x164f:        // (green steel)
5133       element = EL_STEEL_CHAR_E;
5134       break;
5135
5136     case 0x1650:        // (green steel)
5137       element = EL_STEEL_CHAR_F;
5138       break;
5139
5140     case 0x1651:        // (green steel)
5141       element = EL_STEEL_CHAR_G;
5142       break;
5143
5144     case 0x1652:        // (green steel)
5145       element = EL_STEEL_CHAR_H;
5146       break;
5147
5148     case 0x1653:        // (green steel)
5149       element = EL_STEEL_CHAR_I;
5150       break;
5151
5152     case 0x1654:        // (green steel)
5153       element = EL_STEEL_CHAR_J;
5154       break;
5155
5156     case 0x1655:        // (green steel)
5157       element = EL_STEEL_CHAR_K;
5158       break;
5159
5160     case 0x1656:        // (green steel)
5161       element = EL_STEEL_CHAR_L;
5162       break;
5163
5164     case 0x1657:        // (green steel)
5165       element = EL_STEEL_CHAR_M;
5166       break;
5167
5168     case 0x1658:        // (green steel)
5169       element = EL_STEEL_CHAR_N;
5170       break;
5171
5172     case 0x1659:        // (green steel)
5173       element = EL_STEEL_CHAR_O;
5174       break;
5175
5176     case 0x165a:        // (green steel)
5177       element = EL_STEEL_CHAR_P;
5178       break;
5179
5180     case 0x165b:        // (green steel)
5181       element = EL_STEEL_CHAR_Q;
5182       break;
5183
5184     case 0x165c:        // (green steel)
5185       element = EL_STEEL_CHAR_R;
5186       break;
5187
5188     case 0x165d:        // (green steel)
5189       element = EL_STEEL_CHAR_S;
5190       break;
5191
5192     case 0x165e:        // (green steel)
5193       element = EL_STEEL_CHAR_T;
5194       break;
5195
5196     case 0x165f:        // (green steel)
5197       element = EL_STEEL_CHAR_U;
5198       break;
5199
5200     case 0x1660:        // (green steel)
5201       element = EL_STEEL_CHAR_V;
5202       break;
5203
5204     case 0x1661:        // (green steel)
5205       element = EL_STEEL_CHAR_W;
5206       break;
5207
5208     case 0x1662:        // (green steel)
5209       element = EL_STEEL_CHAR_X;
5210       break;
5211
5212     case 0x1663:        // (green steel)
5213       element = EL_STEEL_CHAR_Y;
5214       break;
5215
5216     case 0x1664:        // (green steel)
5217       element = EL_STEEL_CHAR_Z;
5218       break;
5219
5220     case 0x1665:        // (green steel)
5221       element = EL_STEEL_CHAR_AUMLAUT;
5222       break;
5223
5224     case 0x1666:        // (green steel)
5225       element = EL_STEEL_CHAR_OUMLAUT;
5226       break;
5227
5228     case 0x1667:        // (green steel)
5229       element = EL_STEEL_CHAR_UUMLAUT;
5230       break;
5231
5232     case 0x1668:        // (green steel)
5233       element = EL_STEEL_CHAR_0;
5234       break;
5235
5236     case 0x1669:        // (green steel)
5237       element = EL_STEEL_CHAR_1;
5238       break;
5239
5240     case 0x166a:        // (green steel)
5241       element = EL_STEEL_CHAR_2;
5242       break;
5243
5244     case 0x166b:        // (green steel)
5245       element = EL_STEEL_CHAR_3;
5246       break;
5247
5248     case 0x166c:        // (green steel)
5249       element = EL_STEEL_CHAR_4;
5250       break;
5251
5252     case 0x166d:        // (green steel)
5253       element = EL_STEEL_CHAR_5;
5254       break;
5255
5256     case 0x166e:        // (green steel)
5257       element = EL_STEEL_CHAR_6;
5258       break;
5259
5260     case 0x166f:        // (green steel)
5261       element = EL_STEEL_CHAR_7;
5262       break;
5263
5264     case 0x1670:        // (green steel)
5265       element = EL_STEEL_CHAR_8;
5266       break;
5267
5268     case 0x1671:        // (green steel)
5269       element = EL_STEEL_CHAR_9;
5270       break;
5271
5272     case 0x1672:        // (green steel)
5273       element = EL_STEEL_CHAR_PERIOD;
5274       break;
5275
5276     case 0x1673:        // (green steel)
5277       element = EL_STEEL_CHAR_EXCLAM;
5278       break;
5279
5280     case 0x1674:        // (green steel)
5281       element = EL_STEEL_CHAR_COLON;
5282       break;
5283
5284     case 0x1675:        // (green steel)
5285       element = EL_STEEL_CHAR_LESS;
5286       break;
5287
5288     case 0x1676:        // (green steel)
5289       element = EL_STEEL_CHAR_GREATER;
5290       break;
5291
5292     case 0x1677:        // (green steel)
5293       element = EL_STEEL_CHAR_QUESTION;
5294       break;
5295
5296     case 0x1678:        // (green steel)
5297       element = EL_STEEL_CHAR_COPYRIGHT;
5298       break;
5299
5300     case 0x1679:        // (green steel)
5301       element = EL_STEEL_CHAR_UP;
5302       break;
5303
5304     case 0x167a:        // (green steel)
5305       element = EL_STEEL_CHAR_DOWN;
5306       break;
5307
5308     case 0x167b:        // (green steel)
5309       element = EL_STEEL_CHAR_BUTTON;
5310       break;
5311
5312     case 0x167c:        // (green steel)
5313       element = EL_STEEL_CHAR_PLUS;
5314       break;
5315
5316     case 0x167d:        // (green steel)
5317       element = EL_STEEL_CHAR_MINUS;
5318       break;
5319
5320     case 0x167e:        // (green steel)
5321       element = EL_STEEL_CHAR_APOSTROPHE;
5322       break;
5323
5324     case 0x167f:        // (green steel)
5325       element = EL_STEEL_CHAR_PARENLEFT;
5326       break;
5327
5328     case 0x1680:        // (green steel)
5329       element = EL_STEEL_CHAR_PARENRIGHT;
5330       break;
5331
5332     case 0x1681:        // gate (red)
5333       element = EL_EM_GATE_1;
5334       break;
5335
5336     case 0x1682:        // secret gate (red)
5337       element = EL_EM_GATE_1_GRAY;
5338       break;
5339
5340     case 0x1683:        // gate (yellow)
5341       element = EL_EM_GATE_2;
5342       break;
5343
5344     case 0x1684:        // secret gate (yellow)
5345       element = EL_EM_GATE_2_GRAY;
5346       break;
5347
5348     case 0x1685:        // gate (blue)
5349       element = EL_EM_GATE_4;
5350       break;
5351
5352     case 0x1686:        // secret gate (blue)
5353       element = EL_EM_GATE_4_GRAY;
5354       break;
5355
5356     case 0x1687:        // gate (green)
5357       element = EL_EM_GATE_3;
5358       break;
5359
5360     case 0x1688:        // secret gate (green)
5361       element = EL_EM_GATE_3_GRAY;
5362       break;
5363
5364     case 0x1689:        // gate (white)
5365       element = EL_DC_GATE_WHITE;
5366       break;
5367
5368     case 0x168a:        // secret gate (white)
5369       element = EL_DC_GATE_WHITE_GRAY;
5370       break;
5371
5372     case 0x168b:        // secret gate (no key)
5373       element = EL_DC_GATE_FAKE_GRAY;
5374       break;
5375
5376     case 0x168c:
5377       element = EL_ROBOT_WHEEL;
5378       break;
5379
5380     case 0x168d:
5381       element = EL_DC_TIMEGATE_SWITCH;
5382       break;
5383
5384     case 0x168e:
5385       element = EL_ACID_POOL_BOTTOM;
5386       break;
5387
5388     case 0x168f:
5389       element = EL_ACID_POOL_TOPLEFT;
5390       break;
5391
5392     case 0x1690:
5393       element = EL_ACID_POOL_TOPRIGHT;
5394       break;
5395
5396     case 0x1691:
5397       element = EL_ACID_POOL_BOTTOMLEFT;
5398       break;
5399
5400     case 0x1692:
5401       element = EL_ACID_POOL_BOTTOMRIGHT;
5402       break;
5403
5404     case 0x1693:
5405       element = EL_STEELWALL;
5406       break;
5407
5408     case 0x1694:
5409       element = EL_STEELWALL_SLIPPERY;
5410       break;
5411
5412     case 0x1695:        // steel wall (not round)
5413       element = EL_STEELWALL;
5414       break;
5415
5416     case 0x1696:        // steel wall (left)
5417       element = EL_DC_STEELWALL_1_LEFT;
5418       break;
5419
5420     case 0x1697:        // steel wall (bottom)
5421       element = EL_DC_STEELWALL_1_BOTTOM;
5422       break;
5423
5424     case 0x1698:        // steel wall (right)
5425       element = EL_DC_STEELWALL_1_RIGHT;
5426       break;
5427
5428     case 0x1699:        // steel wall (top)
5429       element = EL_DC_STEELWALL_1_TOP;
5430       break;
5431
5432     case 0x169a:        // steel wall (left/bottom)
5433       element = EL_DC_STEELWALL_1_BOTTOMLEFT;
5434       break;
5435
5436     case 0x169b:        // steel wall (right/bottom)
5437       element = EL_DC_STEELWALL_1_BOTTOMRIGHT;
5438       break;
5439
5440     case 0x169c:        // steel wall (right/top)
5441       element = EL_DC_STEELWALL_1_TOPRIGHT;
5442       break;
5443
5444     case 0x169d:        // steel wall (left/top)
5445       element = EL_DC_STEELWALL_1_TOPLEFT;
5446       break;
5447
5448     case 0x169e:        // steel wall (right/bottom small)
5449       element = EL_DC_STEELWALL_1_BOTTOMRIGHT_2;
5450       break;
5451
5452     case 0x169f:        // steel wall (left/bottom small)
5453       element = EL_DC_STEELWALL_1_BOTTOMLEFT_2;
5454       break;
5455
5456     case 0x16a0:        // steel wall (right/top small)
5457       element = EL_DC_STEELWALL_1_TOPRIGHT_2;
5458       break;
5459
5460     case 0x16a1:        // steel wall (left/top small)
5461       element = EL_DC_STEELWALL_1_TOPLEFT_2;
5462       break;
5463
5464     case 0x16a2:        // steel wall (left/right)
5465       element = EL_DC_STEELWALL_1_VERTICAL;
5466       break;
5467
5468     case 0x16a3:        // steel wall (top/bottom)
5469       element = EL_DC_STEELWALL_1_HORIZONTAL;
5470       break;
5471
5472     case 0x16a4:        // steel wall 2 (left end)
5473       element = EL_DC_STEELWALL_2_LEFT;
5474       break;
5475
5476     case 0x16a5:        // steel wall 2 (right end)
5477       element = EL_DC_STEELWALL_2_RIGHT;
5478       break;
5479
5480     case 0x16a6:        // steel wall 2 (top end)
5481       element = EL_DC_STEELWALL_2_TOP;
5482       break;
5483
5484     case 0x16a7:        // steel wall 2 (bottom end)
5485       element = EL_DC_STEELWALL_2_BOTTOM;
5486       break;
5487
5488     case 0x16a8:        // steel wall 2 (left/right)
5489       element = EL_DC_STEELWALL_2_HORIZONTAL;
5490       break;
5491
5492     case 0x16a9:        // steel wall 2 (up/down)
5493       element = EL_DC_STEELWALL_2_VERTICAL;
5494       break;
5495
5496     case 0x16aa:        // steel wall 2 (mid)
5497       element = EL_DC_STEELWALL_2_MIDDLE;
5498       break;
5499
5500     case 0x16ab:
5501       element = EL_SIGN_EXCLAMATION;
5502       break;
5503
5504     case 0x16ac:
5505       element = EL_SIGN_RADIOACTIVITY;
5506       break;
5507
5508     case 0x16ad:
5509       element = EL_SIGN_STOP;
5510       break;
5511
5512     case 0x16ae:
5513       element = EL_SIGN_WHEELCHAIR;
5514       break;
5515
5516     case 0x16af:
5517       element = EL_SIGN_PARKING;
5518       break;
5519
5520     case 0x16b0:
5521       element = EL_SIGN_NO_ENTRY;
5522       break;
5523
5524     case 0x16b1:
5525       element = EL_SIGN_HEART;
5526       break;
5527
5528     case 0x16b2:
5529       element = EL_SIGN_GIVE_WAY;
5530       break;
5531
5532     case 0x16b3:
5533       element = EL_SIGN_ENTRY_FORBIDDEN;
5534       break;
5535
5536     case 0x16b4:
5537       element = EL_SIGN_EMERGENCY_EXIT;
5538       break;
5539
5540     case 0x16b5:
5541       element = EL_SIGN_YIN_YANG;
5542       break;
5543
5544     case 0x16b6:
5545       element = EL_WALL_EMERALD;
5546       break;
5547
5548     case 0x16b7:
5549       element = EL_WALL_DIAMOND;
5550       break;
5551
5552     case 0x16b8:
5553       element = EL_WALL_PEARL;
5554       break;
5555
5556     case 0x16b9:
5557       element = EL_WALL_CRYSTAL;
5558       break;
5559
5560     case 0x16ba:
5561       element = EL_INVISIBLE_WALL;
5562       break;
5563
5564     case 0x16bb:
5565       element = EL_INVISIBLE_STEELWALL;
5566       break;
5567
5568       // 0x16bc - 0x16cb:
5569       // EL_INVISIBLE_SAND
5570
5571     case 0x16cc:
5572       element = EL_LIGHT_SWITCH;
5573       break;
5574
5575     case 0x16cd:
5576       element = EL_ENVELOPE_1;
5577       break;
5578
5579     default:
5580       if (element >= 0x0117 && element <= 0x036e)       // (?)
5581         element = EL_DIAMOND;
5582       else if (element >= 0x042d && element <= 0x0684)  // (?)
5583         element = EL_EMERALD;
5584       else if (element >= 0x157c && element <= 0x158b)
5585         element = EL_SAND;
5586       else if (element >= 0x1590 && element <= 0x159f)
5587         element = EL_DC_LANDMINE;
5588       else if (element >= 0x16bc && element <= 0x16cb)
5589         element = EL_INVISIBLE_SAND;
5590       else
5591       {
5592         Warn("unknown Diamond Caves element 0x%04x", element);
5593
5594         element = EL_UNKNOWN;
5595       }
5596       break;
5597   }
5598
5599   return getMappedElement(element);
5600 }
5601
5602 static void LoadLevelFromFileStream_DC(File *file, struct LevelInfo *level,
5603                                        int nr)
5604 {
5605   byte header[DC_LEVEL_HEADER_SIZE];
5606   int envelope_size;
5607   int envelope_header_pos = 62;
5608   int envelope_content_pos = 94;
5609   int level_name_pos = 251;
5610   int level_author_pos = 292;
5611   int envelope_header_len;
5612   int envelope_content_len;
5613   int level_name_len;
5614   int level_author_len;
5615   int fieldx, fieldy;
5616   int num_yamyam_contents;
5617   int i, x, y;
5618
5619   getDecodedWord_DC(0, TRUE);           // initialize DC2 decoding engine
5620
5621   for (i = 0; i < DC_LEVEL_HEADER_SIZE / 2; i++)
5622   {
5623     unsigned short header_word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
5624
5625     header[i * 2 + 0] = header_word >> 8;
5626     header[i * 2 + 1] = header_word & 0xff;
5627   }
5628
5629   // read some values from level header to check level decoding integrity
5630   fieldx = header[6] | (header[7] << 8);
5631   fieldy = header[8] | (header[9] << 8);
5632   num_yamyam_contents = header[60] | (header[61] << 8);
5633
5634   // do some simple sanity checks to ensure that level was correctly decoded
5635   if (fieldx < 1 || fieldx > 256 ||
5636       fieldy < 1 || fieldy > 256 ||
5637       num_yamyam_contents < 1 || num_yamyam_contents > 8)
5638   {
5639     level->no_valid_file = TRUE;
5640
5641     Warn("cannot decode level from stream -- using empty level");
5642
5643     return;
5644   }
5645
5646   // maximum envelope header size is 31 bytes
5647   envelope_header_len   = header[envelope_header_pos];
5648   // maximum envelope content size is 110 (156?) bytes
5649   envelope_content_len  = header[envelope_content_pos];
5650
5651   // maximum level title size is 40 bytes
5652   level_name_len        = MIN(header[level_name_pos],   MAX_LEVEL_NAME_LEN);
5653   // maximum level author size is 30 (51?) bytes
5654   level_author_len      = MIN(header[level_author_pos], MAX_LEVEL_AUTHOR_LEN);
5655
5656   envelope_size = 0;
5657
5658   for (i = 0; i < envelope_header_len; i++)
5659     if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
5660       level->envelope[0].text[envelope_size++] =
5661         header[envelope_header_pos + 1 + i];
5662
5663   if (envelope_header_len > 0 && envelope_content_len > 0)
5664   {
5665     if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
5666       level->envelope[0].text[envelope_size++] = '\n';
5667     if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
5668       level->envelope[0].text[envelope_size++] = '\n';
5669   }
5670
5671   for (i = 0; i < envelope_content_len; i++)
5672     if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
5673       level->envelope[0].text[envelope_size++] =
5674         header[envelope_content_pos + 1 + i];
5675
5676   level->envelope[0].text[envelope_size] = '\0';
5677
5678   level->envelope[0].xsize = MAX_ENVELOPE_XSIZE;
5679   level->envelope[0].ysize = 10;
5680   level->envelope[0].autowrap = TRUE;
5681   level->envelope[0].centered = TRUE;
5682
5683   for (i = 0; i < level_name_len; i++)
5684     level->name[i] = header[level_name_pos + 1 + i];
5685   level->name[level_name_len] = '\0';
5686
5687   for (i = 0; i < level_author_len; i++)
5688     level->author[i] = header[level_author_pos + 1 + i];
5689   level->author[level_author_len] = '\0';
5690
5691   num_yamyam_contents = header[60] | (header[61] << 8);
5692   level->num_yamyam_contents =
5693     MIN(MAX(MIN_ELEMENT_CONTENTS, num_yamyam_contents), MAX_ELEMENT_CONTENTS);
5694
5695   for (i = 0; i < num_yamyam_contents; i++)
5696   {
5697     for (y = 0; y < 3; y++) for (x = 0; x < 3; x++)
5698     {
5699       unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
5700       int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff);
5701
5702       if (i < MAX_ELEMENT_CONTENTS)
5703         level->yamyam_content[i].e[x][y] = getMappedElement_DC(element_dc);
5704     }
5705   }
5706
5707   fieldx = header[6] | (header[7] << 8);
5708   fieldy = header[8] | (header[9] << 8);
5709   level->fieldx = MIN(MAX(MIN_LEV_FIELDX, fieldx), MAX_LEV_FIELDX);
5710   level->fieldy = MIN(MAX(MIN_LEV_FIELDY, fieldy), MAX_LEV_FIELDY);
5711
5712   for (y = 0; y < fieldy; y++) for (x = 0; x < fieldx; x++)
5713   {
5714     unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
5715     int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff);
5716
5717     if (x < MAX_LEV_FIELDX && y < MAX_LEV_FIELDY)
5718       level->field[x][y] = getMappedElement_DC(element_dc);
5719   }
5720
5721   x = MIN(MAX(0, (header[10] | (header[11] << 8)) - 1), MAX_LEV_FIELDX - 1);
5722   y = MIN(MAX(0, (header[12] | (header[13] << 8)) - 1), MAX_LEV_FIELDY - 1);
5723   level->field[x][y] = EL_PLAYER_1;
5724
5725   x = MIN(MAX(0, (header[14] | (header[15] << 8)) - 1), MAX_LEV_FIELDX - 1);
5726   y = MIN(MAX(0, (header[16] | (header[17] << 8)) - 1), MAX_LEV_FIELDY - 1);
5727   level->field[x][y] = EL_PLAYER_2;
5728
5729   level->gems_needed            = header[18] | (header[19] << 8);
5730
5731   level->score[SC_EMERALD]      = header[20] | (header[21] << 8);
5732   level->score[SC_DIAMOND]      = header[22] | (header[23] << 8);
5733   level->score[SC_PEARL]        = header[24] | (header[25] << 8);
5734   level->score[SC_CRYSTAL]      = header[26] | (header[27] << 8);
5735   level->score[SC_NUT]          = header[28] | (header[29] << 8);
5736   level->score[SC_ROBOT]        = header[30] | (header[31] << 8);
5737   level->score[SC_SPACESHIP]    = header[32] | (header[33] << 8);
5738   level->score[SC_BUG]          = header[34] | (header[35] << 8);
5739   level->score[SC_YAMYAM]       = header[36] | (header[37] << 8);
5740   level->score[SC_DYNAMITE]     = header[38] | (header[39] << 8);
5741   level->score[SC_KEY]          = header[40] | (header[41] << 8);
5742   level->score[SC_TIME_BONUS]   = header[42] | (header[43] << 8);
5743
5744   level->time                   = header[44] | (header[45] << 8);
5745
5746   level->amoeba_speed           = header[46] | (header[47] << 8);
5747   level->time_light             = header[48] | (header[49] << 8);
5748   level->time_timegate          = header[50] | (header[51] << 8);
5749   level->time_wheel             = header[52] | (header[53] << 8);
5750   level->time_magic_wall        = header[54] | (header[55] << 8);
5751   level->extra_time             = header[56] | (header[57] << 8);
5752   level->shield_normal_time     = header[58] | (header[59] << 8);
5753
5754   // shield and extra time elements do not have a score
5755   level->score[SC_SHIELD]       = 0;
5756   level->extra_time_score       = 0;
5757
5758   // set time for normal and deadly shields to the same value
5759   level->shield_deadly_time     = level->shield_normal_time;
5760
5761   // Diamond Caves has the same (strange) behaviour as Emerald Mine that gems
5762   // can slip down from flat walls, like normal walls and steel walls
5763   level->em_slippery_gems = TRUE;
5764
5765   // time score is counted for each 10 seconds left in Diamond Caves levels
5766   level->time_score_base = 10;
5767 }
5768
5769 static void LoadLevelFromFileInfo_DC(struct LevelInfo *level,
5770                                      struct LevelFileInfo *level_file_info,
5771                                      boolean level_info_only)
5772 {
5773   char *filename = level_file_info->filename;
5774   File *file;
5775   int num_magic_bytes = 8;
5776   char magic_bytes[num_magic_bytes + 1];
5777   int num_levels_to_skip = level_file_info->nr - leveldir_current->first_level;
5778
5779   if (!(file = openFile(filename, MODE_READ)))
5780   {
5781     level->no_valid_file = TRUE;
5782
5783     if (!level_info_only)
5784       Warn("cannot read level '%s' -- using empty level", filename);
5785
5786     return;
5787   }
5788
5789   // fseek(file, 0x0000, SEEK_SET);
5790
5791   if (level_file_info->packed)
5792   {
5793     // read "magic bytes" from start of file
5794     if (getStringFromFile(file, magic_bytes, num_magic_bytes + 1) == NULL)
5795       magic_bytes[0] = '\0';
5796
5797     // check "magic bytes" for correct file format
5798     if (!strPrefix(magic_bytes, "DC2"))
5799     {
5800       level->no_valid_file = TRUE;
5801
5802       Warn("unknown DC level file '%s' -- using empty level", filename);
5803
5804       return;
5805     }
5806
5807     if (strPrefix(magic_bytes, "DC2Win95") ||
5808         strPrefix(magic_bytes, "DC2Win98"))
5809     {
5810       int position_first_level = 0x00fa;
5811       int extra_bytes = 4;
5812       int skip_bytes;
5813
5814       // advance file stream to first level inside the level package
5815       skip_bytes = position_first_level - num_magic_bytes - extra_bytes;
5816
5817       // each block of level data is followed by block of non-level data
5818       num_levels_to_skip *= 2;
5819
5820       // at least skip header bytes, therefore use ">= 0" instead of "> 0"
5821       while (num_levels_to_skip >= 0)
5822       {
5823         // advance file stream to next level inside the level package
5824         if (seekFile(file, skip_bytes, SEEK_CUR) != 0)
5825         {
5826           level->no_valid_file = TRUE;
5827
5828           Warn("cannot fseek in file '%s' -- using empty level", filename);
5829
5830           return;
5831         }
5832
5833         // skip apparently unused extra bytes following each level
5834         ReadUnusedBytesFromFile(file, extra_bytes);
5835
5836         // read size of next level in level package
5837         skip_bytes = getFile32BitLE(file);
5838
5839         num_levels_to_skip--;
5840       }
5841     }
5842     else
5843     {
5844       level->no_valid_file = TRUE;
5845
5846       Warn("unknown DC2 level file '%s' -- using empty level", filename);
5847
5848       return;
5849     }
5850   }
5851
5852   LoadLevelFromFileStream_DC(file, level, level_file_info->nr);
5853
5854   closeFile(file);
5855 }
5856
5857
5858 // ----------------------------------------------------------------------------
5859 // functions for loading SB level
5860 // ----------------------------------------------------------------------------
5861
5862 int getMappedElement_SB(int element_ascii, boolean use_ces)
5863 {
5864   static struct
5865   {
5866     int ascii;
5867     int sb;
5868     int ce;
5869   }
5870   sb_element_mapping[] =
5871   {
5872     { ' ', EL_EMPTY,                EL_CUSTOM_1 },  // floor (space)
5873     { '#', EL_STEELWALL,            EL_CUSTOM_2 },  // wall
5874     { '@', EL_PLAYER_1,             EL_CUSTOM_3 },  // player
5875     { '$', EL_SOKOBAN_OBJECT,       EL_CUSTOM_4 },  // box
5876     { '.', EL_SOKOBAN_FIELD_EMPTY,  EL_CUSTOM_5 },  // goal square
5877     { '*', EL_SOKOBAN_FIELD_FULL,   EL_CUSTOM_6 },  // box on goal square
5878     { '+', EL_SOKOBAN_FIELD_PLAYER, EL_CUSTOM_7 },  // player on goal square
5879     { '_', EL_INVISIBLE_STEELWALL,  EL_FROM_LEVEL_TEMPLATE },  // floor beyond border
5880
5881     { 0,   -1,                      -1          },
5882   };
5883
5884   int i;
5885
5886   for (i = 0; sb_element_mapping[i].ascii != 0; i++)
5887     if (element_ascii == sb_element_mapping[i].ascii)
5888       return (use_ces ? sb_element_mapping[i].ce : sb_element_mapping[i].sb);
5889
5890   return EL_UNDEFINED;
5891 }
5892
5893 static void LoadLevelFromFileInfo_SB(struct LevelInfo *level,
5894                                      struct LevelFileInfo *level_file_info,
5895                                      boolean level_info_only)
5896 {
5897   char *filename = level_file_info->filename;
5898   char line[MAX_LINE_LEN], line_raw[MAX_LINE_LEN], previous_line[MAX_LINE_LEN];
5899   char last_comment[MAX_LINE_LEN];
5900   char level_name[MAX_LINE_LEN];
5901   char *line_ptr;
5902   File *file;
5903   int num_levels_to_skip = level_file_info->nr - leveldir_current->first_level;
5904   boolean read_continued_line = FALSE;
5905   boolean reading_playfield = FALSE;
5906   boolean got_valid_playfield_line = FALSE;
5907   boolean invalid_playfield_char = FALSE;
5908   boolean load_xsb_to_ces = check_special_flags("load_xsb_to_ces");
5909   int file_level_nr = 0;
5910   int line_nr = 0;
5911   int x = 0, y = 0;             // initialized to make compilers happy
5912
5913   last_comment[0] = '\0';
5914   level_name[0] = '\0';
5915
5916   if (!(file = openFile(filename, MODE_READ)))
5917   {
5918     level->no_valid_file = TRUE;
5919
5920     if (!level_info_only)
5921       Warn("cannot read level '%s' -- using empty level", filename);
5922
5923     return;
5924   }
5925
5926   while (!checkEndOfFile(file))
5927   {
5928     // level successfully read, but next level may follow here
5929     if (!got_valid_playfield_line && reading_playfield)
5930     {
5931       // read playfield from single level file -- skip remaining file
5932       if (!level_file_info->packed)
5933         break;
5934
5935       if (file_level_nr >= num_levels_to_skip)
5936         break;
5937
5938       file_level_nr++;
5939
5940       last_comment[0] = '\0';
5941       level_name[0] = '\0';
5942
5943       reading_playfield = FALSE;
5944     }
5945
5946     got_valid_playfield_line = FALSE;
5947
5948     // read next line of input file
5949     if (!getStringFromFile(file, line, MAX_LINE_LEN))
5950       break;
5951
5952     // check if line was completely read and is terminated by line break
5953     if (strlen(line) > 0 && line[strlen(line) - 1] == '\n')
5954       line_nr++;
5955
5956     // cut trailing line break (this can be newline and/or carriage return)
5957     for (line_ptr = &line[strlen(line)]; line_ptr >= line; line_ptr--)
5958       if ((*line_ptr == '\n' || *line_ptr == '\r') && *(line_ptr + 1) == '\0')
5959         *line_ptr = '\0';
5960
5961     // copy raw input line for later use (mainly debugging output)
5962     strcpy(line_raw, line);
5963
5964     if (read_continued_line)
5965     {
5966       // append new line to existing line, if there is enough space
5967       if (strlen(previous_line) + strlen(line_ptr) < MAX_LINE_LEN)
5968         strcat(previous_line, line_ptr);
5969
5970       strcpy(line, previous_line);      // copy storage buffer to line
5971
5972       read_continued_line = FALSE;
5973     }
5974
5975     // if the last character is '\', continue at next line
5976     if (strlen(line) > 0 && line[strlen(line) - 1] == '\\')
5977     {
5978       line[strlen(line) - 1] = '\0';    // cut off trailing backslash
5979       strcpy(previous_line, line);      // copy line to storage buffer
5980
5981       read_continued_line = TRUE;
5982
5983       continue;
5984     }
5985
5986     // skip empty lines
5987     if (line[0] == '\0')
5988       continue;
5989
5990     // extract comment text from comment line
5991     if (line[0] == ';')
5992     {
5993       for (line_ptr = line; *line_ptr; line_ptr++)
5994         if (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != ';')
5995           break;
5996
5997       strcpy(last_comment, line_ptr);
5998
5999       continue;
6000     }
6001
6002     // extract level title text from line containing level title
6003     if (line[0] == '\'')
6004     {
6005       strcpy(level_name, &line[1]);
6006
6007       if (strlen(level_name) > 0 && level_name[strlen(level_name) - 1] == '\'')
6008         level_name[strlen(level_name) - 1] = '\0';
6009
6010       continue;
6011     }
6012
6013     // skip lines containing only spaces (or empty lines)
6014     for (line_ptr = line; *line_ptr; line_ptr++)
6015       if (*line_ptr != ' ')
6016         break;
6017     if (*line_ptr == '\0')
6018       continue;
6019
6020     // at this point, we have found a line containing part of a playfield
6021
6022     got_valid_playfield_line = TRUE;
6023
6024     if (!reading_playfield)
6025     {
6026       reading_playfield = TRUE;
6027       invalid_playfield_char = FALSE;
6028
6029       for (x = 0; x < MAX_LEV_FIELDX; x++)
6030         for (y = 0; y < MAX_LEV_FIELDY; y++)
6031           level->field[x][y] = getMappedElement_SB(' ', load_xsb_to_ces);
6032
6033       level->fieldx = 0;
6034       level->fieldy = 0;
6035
6036       // start with topmost tile row
6037       y = 0;
6038     }
6039
6040     // skip playfield line if larger row than allowed
6041     if (y >= MAX_LEV_FIELDY)
6042       continue;
6043
6044     // start with leftmost tile column
6045     x = 0;
6046
6047     // read playfield elements from line
6048     for (line_ptr = line; *line_ptr; line_ptr++)
6049     {
6050       int mapped_sb_element = getMappedElement_SB(*line_ptr, load_xsb_to_ces);
6051
6052       // stop parsing playfield line if larger column than allowed
6053       if (x >= MAX_LEV_FIELDX)
6054         break;
6055
6056       if (mapped_sb_element == EL_UNDEFINED)
6057       {
6058         invalid_playfield_char = TRUE;
6059
6060         break;
6061       }
6062
6063       level->field[x][y] = mapped_sb_element;
6064
6065       // continue with next tile column
6066       x++;
6067
6068       level->fieldx = MAX(x, level->fieldx);
6069     }
6070
6071     if (invalid_playfield_char)
6072     {
6073       // if first playfield line, treat invalid lines as comment lines
6074       if (y == 0)
6075         reading_playfield = FALSE;
6076
6077       continue;
6078     }
6079
6080     // continue with next tile row
6081     y++;
6082   }
6083
6084   closeFile(file);
6085
6086   level->fieldy = y;
6087
6088   level->fieldx = MIN(MAX(MIN_LEV_FIELDX, level->fieldx), MAX_LEV_FIELDX);
6089   level->fieldy = MIN(MAX(MIN_LEV_FIELDY, level->fieldy), MAX_LEV_FIELDY);
6090
6091   if (!reading_playfield)
6092   {
6093     level->no_valid_file = TRUE;
6094
6095     Warn("cannot read level '%s' -- using empty level", filename);
6096
6097     return;
6098   }
6099
6100   if (*level_name != '\0')
6101   {
6102     strncpy(level->name, level_name, MAX_LEVEL_NAME_LEN);
6103     level->name[MAX_LEVEL_NAME_LEN] = '\0';
6104   }
6105   else if (*last_comment != '\0')
6106   {
6107     strncpy(level->name, last_comment, MAX_LEVEL_NAME_LEN);
6108     level->name[MAX_LEVEL_NAME_LEN] = '\0';
6109   }
6110   else
6111   {
6112     sprintf(level->name, "--> Level %d <--", level_file_info->nr);
6113   }
6114
6115   // set all empty fields beyond the border walls to invisible steel wall
6116   for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
6117   {
6118     if ((x == 0 || x == level->fieldx - 1 ||
6119          y == 0 || y == level->fieldy - 1) &&
6120         level->field[x][y] == getMappedElement_SB(' ', load_xsb_to_ces))
6121       FloodFillLevel(x, y, getMappedElement_SB('_', load_xsb_to_ces),
6122                      level->field, level->fieldx, level->fieldy);
6123   }
6124
6125   // set special level settings for Sokoban levels
6126
6127   level->time = 0;
6128   level->use_step_counter = TRUE;
6129
6130   if (load_xsb_to_ces)
6131   {
6132     // special global settings can now be set in level template
6133
6134     level->use_custom_template = TRUE;
6135   }
6136 }
6137
6138
6139 // -------------------------------------------------------------------------
6140 // functions for handling native levels
6141 // -------------------------------------------------------------------------
6142
6143 static void LoadLevelFromFileInfo_EM(struct LevelInfo *level,
6144                                      struct LevelFileInfo *level_file_info,
6145                                      boolean level_info_only)
6146 {
6147   if (!LoadNativeLevel_EM(level_file_info->filename, level_info_only))
6148     level->no_valid_file = TRUE;
6149 }
6150
6151 static void LoadLevelFromFileInfo_SP(struct LevelInfo *level,
6152                                      struct LevelFileInfo *level_file_info,
6153                                      boolean level_info_only)
6154 {
6155   int pos = 0;
6156
6157   // determine position of requested level inside level package
6158   if (level_file_info->packed)
6159     pos = level_file_info->nr - leveldir_current->first_level;
6160
6161   if (!LoadNativeLevel_SP(level_file_info->filename, pos, level_info_only))
6162     level->no_valid_file = TRUE;
6163 }
6164
6165 static void LoadLevelFromFileInfo_MM(struct LevelInfo *level,
6166                                      struct LevelFileInfo *level_file_info,
6167                                      boolean level_info_only)
6168 {
6169   if (!LoadNativeLevel_MM(level_file_info->filename, level_info_only))
6170     level->no_valid_file = TRUE;
6171 }
6172
6173 void CopyNativeLevel_RND_to_Native(struct LevelInfo *level)
6174 {
6175   if (level->game_engine_type == GAME_ENGINE_TYPE_EM)
6176     CopyNativeLevel_RND_to_EM(level);
6177   else if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
6178     CopyNativeLevel_RND_to_SP(level);
6179   else if (level->game_engine_type == GAME_ENGINE_TYPE_MM)
6180     CopyNativeLevel_RND_to_MM(level);
6181 }
6182
6183 void CopyNativeLevel_Native_to_RND(struct LevelInfo *level)
6184 {
6185   if (level->game_engine_type == GAME_ENGINE_TYPE_EM)
6186     CopyNativeLevel_EM_to_RND(level);
6187   else if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
6188     CopyNativeLevel_SP_to_RND(level);
6189   else if (level->game_engine_type == GAME_ENGINE_TYPE_MM)
6190     CopyNativeLevel_MM_to_RND(level);
6191 }
6192
6193 void SaveNativeLevel(struct LevelInfo *level)
6194 {
6195   if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
6196   {
6197     char *basename = getSingleLevelBasenameExt(level->file_info.nr, "sp");
6198     char *filename = getLevelFilenameFromBasename(basename);
6199
6200     CopyNativeLevel_RND_to_SP(level);
6201     CopyNativeTape_RND_to_SP(level);
6202
6203     SaveNativeLevel_SP(filename);
6204   }
6205 }
6206
6207
6208 // ----------------------------------------------------------------------------
6209 // functions for loading generic level
6210 // ----------------------------------------------------------------------------
6211
6212 static void LoadLevelFromFileInfo(struct LevelInfo *level,
6213                                   struct LevelFileInfo *level_file_info,
6214                                   boolean level_info_only)
6215 {
6216   // always start with reliable default values
6217   setLevelInfoToDefaults(level, level_info_only, TRUE);
6218
6219   switch (level_file_info->type)
6220   {
6221     case LEVEL_FILE_TYPE_RND:
6222       LoadLevelFromFileInfo_RND(level, level_file_info, level_info_only);
6223       break;
6224
6225     case LEVEL_FILE_TYPE_EM:
6226       LoadLevelFromFileInfo_EM(level, level_file_info, level_info_only);
6227       level->game_engine_type = GAME_ENGINE_TYPE_EM;
6228       break;
6229
6230     case LEVEL_FILE_TYPE_SP:
6231       LoadLevelFromFileInfo_SP(level, level_file_info, level_info_only);
6232       level->game_engine_type = GAME_ENGINE_TYPE_SP;
6233       break;
6234
6235     case LEVEL_FILE_TYPE_MM:
6236       LoadLevelFromFileInfo_MM(level, level_file_info, level_info_only);
6237       level->game_engine_type = GAME_ENGINE_TYPE_MM;
6238       break;
6239
6240     case LEVEL_FILE_TYPE_DC:
6241       LoadLevelFromFileInfo_DC(level, level_file_info, level_info_only);
6242       break;
6243
6244     case LEVEL_FILE_TYPE_SB:
6245       LoadLevelFromFileInfo_SB(level, level_file_info, level_info_only);
6246       break;
6247
6248     default:
6249       LoadLevelFromFileInfo_RND(level, level_file_info, level_info_only);
6250       break;
6251   }
6252
6253   // if level file is invalid, restore level structure to default values
6254   if (level->no_valid_file)
6255     setLevelInfoToDefaults(level, level_info_only, FALSE);
6256
6257   if (level->game_engine_type == GAME_ENGINE_TYPE_UNKNOWN)
6258     level->game_engine_type = GAME_ENGINE_TYPE_RND;
6259
6260   if (level_file_info->type != LEVEL_FILE_TYPE_RND)
6261     CopyNativeLevel_Native_to_RND(level);
6262 }
6263
6264 void LoadLevelFromFilename(struct LevelInfo *level, char *filename)
6265 {
6266   static struct LevelFileInfo level_file_info;
6267
6268   // always start with reliable default values
6269   setFileInfoToDefaults(&level_file_info);
6270
6271   level_file_info.nr = 0;                       // unknown level number
6272   level_file_info.type = LEVEL_FILE_TYPE_RND;   // no others supported yet
6273
6274   setString(&level_file_info.filename, filename);
6275
6276   LoadLevelFromFileInfo(level, &level_file_info, FALSE);
6277 }
6278
6279 static void LoadLevel_InitVersion(struct LevelInfo *level)
6280 {
6281   int i, j;
6282
6283   if (leveldir_current == NULL)         // only when dumping level
6284     return;
6285
6286   // all engine modifications also valid for levels which use latest engine
6287   if (level->game_version < VERSION_IDENT(3,2,0,5))
6288   {
6289     // time bonus score was given for 10 s instead of 1 s before 3.2.0-5
6290     level->time_score_base = 10;
6291   }
6292
6293   if (leveldir_current->latest_engine)
6294   {
6295     // ---------- use latest game engine --------------------------------------
6296
6297     /* For all levels which are forced to use the latest game engine version
6298        (normally all but user contributed, private and undefined levels), set
6299        the game engine version to the actual version; this allows for actual
6300        corrections in the game engine to take effect for existing, converted
6301        levels (from "classic" or other existing games) to make the emulation
6302        of the corresponding game more accurate, while (hopefully) not breaking
6303        existing levels created from other players. */
6304
6305     level->game_version = GAME_VERSION_ACTUAL;
6306
6307     /* Set special EM style gems behaviour: EM style gems slip down from
6308        normal, steel and growing wall. As this is a more fundamental change,
6309        it seems better to set the default behaviour to "off" (as it is more
6310        natural) and make it configurable in the level editor (as a property
6311        of gem style elements). Already existing converted levels (neither
6312        private nor contributed levels) are changed to the new behaviour. */
6313
6314     if (level->file_version < FILE_VERSION_2_0)
6315       level->em_slippery_gems = TRUE;
6316
6317     return;
6318   }
6319
6320   // ---------- use game engine the level was created with --------------------
6321
6322   /* For all levels which are not forced to use the latest game engine
6323      version (normally user contributed, private and undefined levels),
6324      use the version of the game engine the levels were created for.
6325
6326      Since 2.0.1, the game engine version is now directly stored
6327      in the level file (chunk "VERS"), so there is no need anymore
6328      to set the game version from the file version (except for old,
6329      pre-2.0 levels, where the game version is still taken from the
6330      file format version used to store the level -- see above). */
6331
6332   // player was faster than enemies in 1.0.0 and before
6333   if (level->file_version == FILE_VERSION_1_0)
6334     for (i = 0; i < MAX_PLAYERS; i++)
6335       level->initial_player_stepsize[i] = STEPSIZE_FAST;
6336
6337   // default behaviour for EM style gems was "slippery" only in 2.0.1
6338   if (level->game_version == VERSION_IDENT(2,0,1,0))
6339     level->em_slippery_gems = TRUE;
6340
6341   // springs could be pushed over pits before (pre-release version) 2.2.0
6342   if (level->game_version < VERSION_IDENT(2,2,0,0))
6343     level->use_spring_bug = TRUE;
6344
6345   if (level->game_version < VERSION_IDENT(3,2,0,5))
6346   {
6347     // time orb caused limited time in endless time levels before 3.2.0-5
6348     level->use_time_orb_bug = TRUE;
6349
6350     // default behaviour for snapping was "no snap delay" before 3.2.0-5
6351     level->block_snap_field = FALSE;
6352
6353     // extra time score was same value as time left score before 3.2.0-5
6354     level->extra_time_score = level->score[SC_TIME_BONUS];
6355   }
6356
6357   if (level->game_version < VERSION_IDENT(3,2,0,7))
6358   {
6359     // default behaviour for snapping was "not continuous" before 3.2.0-7
6360     level->continuous_snapping = FALSE;
6361   }
6362
6363   // only few elements were able to actively move into acid before 3.1.0
6364   // trigger settings did not exist before 3.1.0; set to default "any"
6365   if (level->game_version < VERSION_IDENT(3,1,0,0))
6366   {
6367     // correct "can move into acid" settings (all zero in old levels)
6368
6369     level->can_move_into_acid_bits = 0; // nothing can move into acid
6370     level->dont_collide_with_bits = 0; // nothing is deadly when colliding
6371
6372     setMoveIntoAcidProperty(level, EL_ROBOT,     TRUE);
6373     setMoveIntoAcidProperty(level, EL_SATELLITE, TRUE);
6374     setMoveIntoAcidProperty(level, EL_PENGUIN,   TRUE);
6375     setMoveIntoAcidProperty(level, EL_BALLOON,   TRUE);
6376
6377     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6378       SET_PROPERTY(EL_CUSTOM_START + i, EP_CAN_MOVE_INTO_ACID, TRUE);
6379
6380     // correct trigger settings (stored as zero == "none" in old levels)
6381
6382     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6383     {
6384       int element = EL_CUSTOM_START + i;
6385       struct ElementInfo *ei = &element_info[element];
6386
6387       for (j = 0; j < ei->num_change_pages; j++)
6388       {
6389         struct ElementChangeInfo *change = &ei->change_page[j];
6390
6391         change->trigger_player = CH_PLAYER_ANY;
6392         change->trigger_page = CH_PAGE_ANY;
6393       }
6394     }
6395   }
6396
6397   // try to detect and fix "Snake Bite" levels, which are broken with 3.2.0
6398   {
6399     int element = EL_CUSTOM_256;
6400     struct ElementInfo *ei = &element_info[element];
6401     struct ElementChangeInfo *change = &ei->change_page[0];
6402
6403     /* This is needed to fix a problem that was caused by a bugfix in function
6404        game.c/CreateFieldExt() introduced with 3.2.0 that corrects the behaviour
6405        when a custom element changes to EL_SOKOBAN_FIELD_PLAYER (before, it did
6406        not replace walkable elements, but instead just placed the player on it,
6407        without placing the Sokoban field under the player). Unfortunately, this
6408        breaks "Snake Bite" style levels when the snake is halfway through a door
6409        that just closes (the snake head is still alive and can be moved in this
6410        case). This can be fixed by replacing the EL_SOKOBAN_FIELD_PLAYER by the
6411        player (without Sokoban element) which then gets killed as designed). */
6412
6413     if ((strncmp(leveldir_current->identifier, "snake_bite", 10) == 0 ||
6414          strncmp(ei->description, "pause b4 death", 14) == 0) &&
6415         change->target_element == EL_SOKOBAN_FIELD_PLAYER)
6416       change->target_element = EL_PLAYER_1;
6417   }
6418
6419   // try to detect and fix "Zelda" style levels, which are broken with 3.2.5
6420   if (level->game_version < VERSION_IDENT(3,2,5,0))
6421   {
6422     /* This is needed to fix a problem that was caused by a bugfix in function
6423        game.c/CheckTriggeredElementChangeExt() introduced with 3.2.5 that
6424        corrects the behaviour when a custom element changes to another custom
6425        element with a higher element number that has change actions defined.
6426        Normally, only one change per frame is allowed for custom elements.
6427        Therefore, it is checked if a custom element already changed in the
6428        current frame; if it did, subsequent changes are suppressed.
6429        Unfortunately, this is only checked for element changes, but not for
6430        change actions, which are still executed. As the function above loops
6431        through all custom elements from lower to higher, an element change
6432        resulting in a lower CE number won't be checked again, while a target
6433        element with a higher number will also be checked, and potential change
6434        actions will get executed for this CE, too (which is wrong), while
6435        further changes are ignored (which is correct). As this bugfix breaks
6436        Zelda II (and introduces graphical bugs to Zelda I, and also breaks a
6437        few other levels like Alan Bond's "FMV"), allow the previous, incorrect
6438        behaviour for existing levels and tapes that make use of this bug */
6439
6440     level->use_action_after_change_bug = TRUE;
6441   }
6442
6443   // not centering level after relocating player was default only in 3.2.3
6444   if (level->game_version == VERSION_IDENT(3,2,3,0))    // (no pre-releases)
6445     level->shifted_relocation = TRUE;
6446
6447   // EM style elements always chain-exploded in R'n'D engine before 3.2.6
6448   if (level->game_version < VERSION_IDENT(3,2,6,0))
6449     level->em_explodes_by_fire = TRUE;
6450
6451   // levels were solved by the first player entering an exit up to 4.1.0.0
6452   if (level->game_version <= VERSION_IDENT(4,1,0,0))
6453     level->solved_by_one_player = TRUE;
6454
6455   // game logic of "game of life" and "biomaze" was buggy before 4.1.1.1
6456   if (level->game_version < VERSION_IDENT(4,1,1,1))
6457     level->use_life_bugs = TRUE;
6458
6459   // only Sokoban fields (but not objects) had to be solved before 4.1.1.1
6460   if (level->game_version < VERSION_IDENT(4,1,1,1))
6461     level->sb_objects_needed = FALSE;
6462
6463   // CE actions were triggered by unfinished digging/collecting up to 4.2.2.0
6464   if (level->game_version <= VERSION_IDENT(4,2,2,0))
6465     level->finish_dig_collect = FALSE;
6466 }
6467
6468 static void LoadLevel_InitStandardElements(struct LevelInfo *level)
6469 {
6470   int i, x, y;
6471
6472   // map elements that have changed in newer versions
6473   level->amoeba_content = getMappedElementByVersion(level->amoeba_content,
6474                                                     level->game_version);
6475   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6476     for (x = 0; x < 3; x++)
6477       for (y = 0; y < 3; y++)
6478         level->yamyam_content[i].e[x][y] =
6479           getMappedElementByVersion(level->yamyam_content[i].e[x][y],
6480                                     level->game_version);
6481
6482 }
6483
6484 static void LoadLevel_InitCustomElements(struct LevelInfo *level)
6485 {
6486   int i, j;
6487
6488   // map custom element change events that have changed in newer versions
6489   // (these following values were accidentally changed in version 3.0.1)
6490   // (this seems to be needed only for 'ab_levelset3' and 'ab_levelset4')
6491   if (level->game_version <= VERSION_IDENT(3,0,0,0))
6492   {
6493     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6494     {
6495       int element = EL_CUSTOM_START + i;
6496
6497       // order of checking and copying events to be mapped is important
6498       // (do not change the start and end value -- they are constant)
6499       for (j = CE_BY_OTHER_ACTION; j >= CE_VALUE_GETS_ZERO; j--)
6500       {
6501         if (HAS_CHANGE_EVENT(element, j - 2))
6502         {
6503           SET_CHANGE_EVENT(element, j - 2, FALSE);
6504           SET_CHANGE_EVENT(element, j, TRUE);
6505         }
6506       }
6507
6508       // order of checking and copying events to be mapped is important
6509       // (do not change the start and end value -- they are constant)
6510       for (j = CE_PLAYER_COLLECTS_X; j >= CE_HITTING_SOMETHING; j--)
6511       {
6512         if (HAS_CHANGE_EVENT(element, j - 1))
6513         {
6514           SET_CHANGE_EVENT(element, j - 1, FALSE);
6515           SET_CHANGE_EVENT(element, j, TRUE);
6516         }
6517       }
6518     }
6519   }
6520
6521   // initialize "can_change" field for old levels with only one change page
6522   if (level->game_version <= VERSION_IDENT(3,0,2,0))
6523   {
6524     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6525     {
6526       int element = EL_CUSTOM_START + i;
6527
6528       if (CAN_CHANGE(element))
6529         element_info[element].change->can_change = TRUE;
6530     }
6531   }
6532
6533   // correct custom element values (for old levels without these options)
6534   if (level->game_version < VERSION_IDENT(3,1,1,0))
6535   {
6536     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6537     {
6538       int element = EL_CUSTOM_START + i;
6539       struct ElementInfo *ei = &element_info[element];
6540
6541       if (ei->access_direction == MV_NO_DIRECTION)
6542         ei->access_direction = MV_ALL_DIRECTIONS;
6543     }
6544   }
6545
6546   // correct custom element values (fix invalid values for all versions)
6547   if (1)
6548   {
6549     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6550     {
6551       int element = EL_CUSTOM_START + i;
6552       struct ElementInfo *ei = &element_info[element];
6553
6554       for (j = 0; j < ei->num_change_pages; j++)
6555       {
6556         struct ElementChangeInfo *change = &ei->change_page[j];
6557
6558         if (change->trigger_player == CH_PLAYER_NONE)
6559           change->trigger_player = CH_PLAYER_ANY;
6560
6561         if (change->trigger_side == CH_SIDE_NONE)
6562           change->trigger_side = CH_SIDE_ANY;
6563       }
6564     }
6565   }
6566
6567   // initialize "can_explode" field for old levels which did not store this
6568   // !!! CHECK THIS -- "<= 3,1,0,0" IS PROBABLY WRONG !!!
6569   if (level->game_version <= VERSION_IDENT(3,1,0,0))
6570   {
6571     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6572     {
6573       int element = EL_CUSTOM_START + i;
6574
6575       if (EXPLODES_1X1_OLD(element))
6576         element_info[element].explosion_type = EXPLODES_1X1;
6577
6578       SET_PROPERTY(element, EP_CAN_EXPLODE, (EXPLODES_BY_FIRE(element) ||
6579                                              EXPLODES_SMASHED(element) ||
6580                                              EXPLODES_IMPACT(element)));
6581     }
6582   }
6583
6584   // correct previously hard-coded move delay values for maze runner style
6585   if (level->game_version < VERSION_IDENT(3,1,1,0))
6586   {
6587     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6588     {
6589       int element = EL_CUSTOM_START + i;
6590
6591       if (element_info[element].move_pattern & MV_MAZE_RUNNER_STYLE)
6592       {
6593         // previously hard-coded and therefore ignored
6594         element_info[element].move_delay_fixed = 9;
6595         element_info[element].move_delay_random = 0;
6596       }
6597     }
6598   }
6599
6600   // set some other uninitialized values of custom elements in older levels
6601   if (level->game_version < VERSION_IDENT(3,1,0,0))
6602   {
6603     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6604     {
6605       int element = EL_CUSTOM_START + i;
6606
6607       element_info[element].access_direction = MV_ALL_DIRECTIONS;
6608
6609       element_info[element].explosion_delay = 17;
6610       element_info[element].ignition_delay = 8;
6611     }
6612   }
6613 }
6614
6615 static void LoadLevel_InitElements(struct LevelInfo *level)
6616 {
6617   LoadLevel_InitStandardElements(level);
6618
6619   if (level->file_has_custom_elements)
6620     LoadLevel_InitCustomElements(level);
6621
6622   // initialize element properties for level editor etc.
6623   InitElementPropertiesEngine(level->game_version);
6624   InitElementPropertiesGfxElement();
6625 }
6626
6627 static void LoadLevel_InitPlayfield(struct LevelInfo *level)
6628 {
6629   int x, y;
6630
6631   // map elements that have changed in newer versions
6632   for (y = 0; y < level->fieldy; y++)
6633     for (x = 0; x < level->fieldx; x++)
6634       level->field[x][y] = getMappedElementByVersion(level->field[x][y],
6635                                                      level->game_version);
6636
6637   // clear unused playfield data (nicer if level gets resized in editor)
6638   for (x = 0; x < MAX_LEV_FIELDX; x++)
6639     for (y = 0; y < MAX_LEV_FIELDY; y++)
6640       if (x >= level->fieldx || y >= level->fieldy)
6641         level->field[x][y] = EL_EMPTY;
6642
6643   // copy elements to runtime playfield array
6644   for (x = 0; x < MAX_LEV_FIELDX; x++)
6645     for (y = 0; y < MAX_LEV_FIELDY; y++)
6646       Tile[x][y] = level->field[x][y];
6647
6648   // initialize level size variables for faster access
6649   lev_fieldx = level->fieldx;
6650   lev_fieldy = level->fieldy;
6651
6652   // determine border element for this level
6653   if (level->file_info.type == LEVEL_FILE_TYPE_DC)
6654     BorderElement = EL_EMPTY;   // (in editor, SetBorderElement() is used)
6655   else
6656     SetBorderElement();
6657 }
6658
6659 static void LoadLevel_InitNativeEngines(struct LevelInfo *level)
6660 {
6661   struct LevelFileInfo *level_file_info = &level->file_info;
6662
6663   if (level_file_info->type == LEVEL_FILE_TYPE_RND)
6664     CopyNativeLevel_RND_to_Native(level);
6665 }
6666
6667 static void LoadLevelTemplate_LoadAndInit(void)
6668 {
6669   LoadLevelFromFileInfo(&level_template, &level_template.file_info, FALSE);
6670
6671   LoadLevel_InitVersion(&level_template);
6672   LoadLevel_InitElements(&level_template);
6673
6674   ActivateLevelTemplate();
6675 }
6676
6677 void LoadLevelTemplate(int nr)
6678 {
6679   if (!fileExists(getGlobalLevelTemplateFilename()))
6680   {
6681     Warn("no level template found for this level");
6682
6683     return;
6684   }
6685
6686   setLevelFileInfo(&level_template.file_info, nr);
6687
6688   LoadLevelTemplate_LoadAndInit();
6689 }
6690
6691 static void LoadNetworkLevelTemplate(struct NetworkLevelInfo *network_level)
6692 {
6693   copyLevelFileInfo(&network_level->tmpl_info, &level_template.file_info);
6694
6695   LoadLevelTemplate_LoadAndInit();
6696 }
6697
6698 static void LoadLevel_LoadAndInit(struct NetworkLevelInfo *network_level)
6699 {
6700   LoadLevelFromFileInfo(&level, &level.file_info, FALSE);
6701
6702   if (level.use_custom_template)
6703   {
6704     if (network_level != NULL)
6705       LoadNetworkLevelTemplate(network_level);
6706     else
6707       LoadLevelTemplate(-1);
6708   }
6709
6710   LoadLevel_InitVersion(&level);
6711   LoadLevel_InitElements(&level);
6712   LoadLevel_InitPlayfield(&level);
6713
6714   LoadLevel_InitNativeEngines(&level);
6715 }
6716
6717 void LoadLevel(int nr)
6718 {
6719   SetLevelSetInfo(leveldir_current->identifier, nr);
6720
6721   setLevelFileInfo(&level.file_info, nr);
6722
6723   LoadLevel_LoadAndInit(NULL);
6724 }
6725
6726 void LoadLevelInfoOnly(int nr)
6727 {
6728   setLevelFileInfo(&level.file_info, nr);
6729
6730   LoadLevelFromFileInfo(&level, &level.file_info, TRUE);
6731 }
6732
6733 void LoadNetworkLevel(struct NetworkLevelInfo *network_level)
6734 {
6735   SetLevelSetInfo(network_level->leveldir_identifier,
6736                   network_level->file_info.nr);
6737
6738   copyLevelFileInfo(&network_level->file_info, &level.file_info);
6739
6740   LoadLevel_LoadAndInit(network_level);
6741 }
6742
6743 static int SaveLevel_VERS(FILE *file, struct LevelInfo *level)
6744 {
6745   int chunk_size = 0;
6746
6747   chunk_size += putFileVersion(file, level->file_version);
6748   chunk_size += putFileVersion(file, level->game_version);
6749
6750   return chunk_size;
6751 }
6752
6753 static int SaveLevel_DATE(FILE *file, struct LevelInfo *level)
6754 {
6755   int chunk_size = 0;
6756
6757   chunk_size += putFile16BitBE(file, level->creation_date.year);
6758   chunk_size += putFile8Bit(file,    level->creation_date.month);
6759   chunk_size += putFile8Bit(file,    level->creation_date.day);
6760
6761   return chunk_size;
6762 }
6763
6764 #if ENABLE_HISTORIC_CHUNKS
6765 static void SaveLevel_HEAD(FILE *file, struct LevelInfo *level)
6766 {
6767   int i, x, y;
6768
6769   putFile8Bit(file, level->fieldx);
6770   putFile8Bit(file, level->fieldy);
6771
6772   putFile16BitBE(file, level->time);
6773   putFile16BitBE(file, level->gems_needed);
6774
6775   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
6776     putFile8Bit(file, level->name[i]);
6777
6778   for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
6779     putFile8Bit(file, level->score[i]);
6780
6781   for (i = 0; i < STD_ELEMENT_CONTENTS; i++)
6782     for (y = 0; y < 3; y++)
6783       for (x = 0; x < 3; x++)
6784         putFile8Bit(file, (level->encoding_16bit_yamyam ? EL_EMPTY :
6785                            level->yamyam_content[i].e[x][y]));
6786   putFile8Bit(file, level->amoeba_speed);
6787   putFile8Bit(file, level->time_magic_wall);
6788   putFile8Bit(file, level->time_wheel);
6789   putFile8Bit(file, (level->encoding_16bit_amoeba ? EL_EMPTY :
6790                      level->amoeba_content));
6791   putFile8Bit(file, (level->initial_player_stepsize == STEPSIZE_FAST ? 1 : 0));
6792   putFile8Bit(file, (level->initial_gravity ? 1 : 0));
6793   putFile8Bit(file, (level->encoding_16bit_field ? 1 : 0));
6794   putFile8Bit(file, (level->em_slippery_gems ? 1 : 0));
6795
6796   putFile8Bit(file, (level->use_custom_template ? 1 : 0));
6797
6798   putFile8Bit(file, (level->block_last_field ? 1 : 0));
6799   putFile8Bit(file, (level->sp_block_last_field ? 1 : 0));
6800   putFile32BitBE(file, level->can_move_into_acid_bits);
6801   putFile8Bit(file, level->dont_collide_with_bits);
6802
6803   putFile8Bit(file, (level->use_spring_bug ? 1 : 0));
6804   putFile8Bit(file, (level->use_step_counter ? 1 : 0));
6805
6806   putFile8Bit(file, (level->instant_relocation ? 1 : 0));
6807   putFile8Bit(file, (level->can_pass_to_walkable ? 1 : 0));
6808   putFile8Bit(file, (level->grow_into_diggable ? 1 : 0));
6809
6810   putFile8Bit(file, level->game_engine_type);
6811
6812   WriteUnusedBytesToFile(file, LEVEL_CHUNK_HEAD_UNUSED);
6813 }
6814 #endif
6815
6816 static int SaveLevel_NAME(FILE *file, struct LevelInfo *level)
6817 {
6818   int chunk_size = 0;
6819   int i;
6820
6821   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
6822     chunk_size += putFile8Bit(file, level->name[i]);
6823
6824   return chunk_size;
6825 }
6826
6827 static int SaveLevel_AUTH(FILE *file, struct LevelInfo *level)
6828 {
6829   int chunk_size = 0;
6830   int i;
6831
6832   for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++)
6833     chunk_size += putFile8Bit(file, level->author[i]);
6834
6835   return chunk_size;
6836 }
6837
6838 #if ENABLE_HISTORIC_CHUNKS
6839 static int SaveLevel_BODY(FILE *file, struct LevelInfo *level)
6840 {
6841   int chunk_size = 0;
6842   int x, y;
6843
6844   for (y = 0; y < level->fieldy; y++)
6845     for (x = 0; x < level->fieldx; x++)
6846       if (level->encoding_16bit_field)
6847         chunk_size += putFile16BitBE(file, level->field[x][y]);
6848       else
6849         chunk_size += putFile8Bit(file, level->field[x][y]);
6850
6851   return chunk_size;
6852 }
6853 #endif
6854
6855 static int SaveLevel_BODY(FILE *file, struct LevelInfo *level)
6856 {
6857   int chunk_size = 0;
6858   int x, y;
6859
6860   for (y = 0; y < level->fieldy; y++)
6861     for (x = 0; x < level->fieldx; x++)
6862       chunk_size += putFile16BitBE(file, level->field[x][y]);
6863
6864   return chunk_size;
6865 }
6866
6867 #if ENABLE_HISTORIC_CHUNKS
6868 static void SaveLevel_CONT(FILE *file, struct LevelInfo *level)
6869 {
6870   int i, x, y;
6871
6872   putFile8Bit(file, EL_YAMYAM);
6873   putFile8Bit(file, level->num_yamyam_contents);
6874   putFile8Bit(file, 0);
6875   putFile8Bit(file, 0);
6876
6877   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6878     for (y = 0; y < 3; y++)
6879       for (x = 0; x < 3; x++)
6880         if (level->encoding_16bit_field)
6881           putFile16BitBE(file, level->yamyam_content[i].e[x][y]);
6882         else
6883           putFile8Bit(file, level->yamyam_content[i].e[x][y]);
6884 }
6885 #endif
6886
6887 #if ENABLE_HISTORIC_CHUNKS
6888 static void SaveLevel_CNT2(FILE *file, struct LevelInfo *level, int element)
6889 {
6890   int i, x, y;
6891   int num_contents, content_xsize, content_ysize;
6892   int content_array[MAX_ELEMENT_CONTENTS][3][3];
6893
6894   if (element == EL_YAMYAM)
6895   {
6896     num_contents = level->num_yamyam_contents;
6897     content_xsize = 3;
6898     content_ysize = 3;
6899
6900     for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6901       for (y = 0; y < 3; y++)
6902         for (x = 0; x < 3; x++)
6903           content_array[i][x][y] = level->yamyam_content[i].e[x][y];
6904   }
6905   else if (element == EL_BD_AMOEBA)
6906   {
6907     num_contents = 1;
6908     content_xsize = 1;
6909     content_ysize = 1;
6910
6911     for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6912       for (y = 0; y < 3; y++)
6913         for (x = 0; x < 3; x++)
6914           content_array[i][x][y] = EL_EMPTY;
6915     content_array[0][0][0] = level->amoeba_content;
6916   }
6917   else
6918   {
6919     // chunk header already written -- write empty chunk data
6920     WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT2_SIZE);
6921
6922     Warn("cannot save content for element '%d'", element);
6923
6924     return;
6925   }
6926
6927   putFile16BitBE(file, element);
6928   putFile8Bit(file, num_contents);
6929   putFile8Bit(file, content_xsize);
6930   putFile8Bit(file, content_ysize);
6931
6932   WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT2_UNUSED);
6933
6934   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6935     for (y = 0; y < 3; y++)
6936       for (x = 0; x < 3; x++)
6937         putFile16BitBE(file, content_array[i][x][y]);
6938 }
6939 #endif
6940
6941 #if ENABLE_HISTORIC_CHUNKS
6942 static int SaveLevel_CNT3(FILE *file, struct LevelInfo *level, int element)
6943 {
6944   int envelope_nr = element - EL_ENVELOPE_1;
6945   int envelope_len = strlen(level->envelope_text[envelope_nr]) + 1;
6946   int chunk_size = 0;
6947   int i;
6948
6949   chunk_size += putFile16BitBE(file, element);
6950   chunk_size += putFile16BitBE(file, envelope_len);
6951   chunk_size += putFile8Bit(file, level->envelope_xsize[envelope_nr]);
6952   chunk_size += putFile8Bit(file, level->envelope_ysize[envelope_nr]);
6953
6954   WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT3_UNUSED);
6955   chunk_size += LEVEL_CHUNK_CNT3_UNUSED;
6956
6957   for (i = 0; i < envelope_len; i++)
6958     chunk_size += putFile8Bit(file, level->envelope_text[envelope_nr][i]);
6959
6960   return chunk_size;
6961 }
6962 #endif
6963
6964 #if ENABLE_HISTORIC_CHUNKS
6965 static void SaveLevel_CUS1(FILE *file, struct LevelInfo *level,
6966                            int num_changed_custom_elements)
6967 {
6968   int i, check = 0;
6969
6970   putFile16BitBE(file, num_changed_custom_elements);
6971
6972   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6973   {
6974     int element = EL_CUSTOM_START + i;
6975
6976     struct ElementInfo *ei = &element_info[element];
6977
6978     if (ei->properties[EP_BITFIELD_BASE_NR] != EP_BITMASK_DEFAULT)
6979     {
6980       if (check < num_changed_custom_elements)
6981       {
6982         putFile16BitBE(file, element);
6983         putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
6984       }
6985
6986       check++;
6987     }
6988   }
6989
6990   if (check != num_changed_custom_elements)     // should not happen
6991     Warn("inconsistent number of custom element properties");
6992 }
6993 #endif
6994
6995 #if ENABLE_HISTORIC_CHUNKS
6996 static void SaveLevel_CUS2(FILE *file, struct LevelInfo *level,
6997                            int num_changed_custom_elements)
6998 {
6999   int i, check = 0;
7000
7001   putFile16BitBE(file, num_changed_custom_elements);
7002
7003   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
7004   {
7005     int element = EL_CUSTOM_START + i;
7006
7007     if (element_info[element].change->target_element != EL_EMPTY_SPACE)
7008     {
7009       if (check < num_changed_custom_elements)
7010       {
7011         putFile16BitBE(file, element);
7012         putFile16BitBE(file, element_info[element].change->target_element);
7013       }
7014
7015       check++;
7016     }
7017   }
7018
7019   if (check != num_changed_custom_elements)     // should not happen
7020     Warn("inconsistent number of custom target elements");
7021 }
7022 #endif
7023
7024 #if ENABLE_HISTORIC_CHUNKS
7025 static void SaveLevel_CUS3(FILE *file, struct LevelInfo *level,
7026                            int num_changed_custom_elements)
7027 {
7028   int i, j, x, y, check = 0;
7029
7030   putFile16BitBE(file, num_changed_custom_elements);
7031
7032   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
7033   {
7034     int element = EL_CUSTOM_START + i;
7035     struct ElementInfo *ei = &element_info[element];
7036
7037     if (ei->modified_settings)
7038     {
7039       if (check < num_changed_custom_elements)
7040       {
7041         putFile16BitBE(file, element);
7042
7043         for (j = 0; j < MAX_ELEMENT_NAME_LEN; j++)
7044           putFile8Bit(file, ei->description[j]);
7045
7046         putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
7047
7048         // some free bytes for future properties and padding
7049         WriteUnusedBytesToFile(file, 7);
7050
7051         putFile8Bit(file, ei->use_gfx_element);
7052         putFile16BitBE(file, ei->gfx_element_initial);
7053
7054         putFile8Bit(file, ei->collect_score_initial);
7055         putFile8Bit(file, ei->collect_count_initial);
7056
7057         putFile16BitBE(file, ei->push_delay_fixed);
7058         putFile16BitBE(file, ei->push_delay_random);
7059         putFile16BitBE(file, ei->move_delay_fixed);
7060         putFile16BitBE(file, ei->move_delay_random);
7061
7062         putFile16BitBE(file, ei->move_pattern);
7063         putFile8Bit(file, ei->move_direction_initial);
7064         putFile8Bit(file, ei->move_stepsize);
7065
7066         for (y = 0; y < 3; y++)
7067           for (x = 0; x < 3; x++)
7068             putFile16BitBE(file, ei->content.e[x][y]);
7069
7070         putFile32BitBE(file, ei->change->events);
7071
7072         putFile16BitBE(file, ei->change->target_element);
7073
7074         putFile16BitBE(file, ei->change->delay_fixed);
7075         putFile16BitBE(file, ei->change->delay_random);
7076         putFile16BitBE(file, ei->change->delay_frames);
7077
7078         putFile16BitBE(file, ei->change->initial_trigger_element);
7079
7080         putFile8Bit(file, ei->change->explode);
7081         putFile8Bit(file, ei->change->use_target_content);
7082         putFile8Bit(file, ei->change->only_if_complete);
7083         putFile8Bit(file, ei->change->use_random_replace);
7084
7085         putFile8Bit(file, ei->change->random_percentage);
7086         putFile8Bit(file, ei->change->replace_when);
7087
7088         for (y = 0; y < 3; y++)
7089           for (x = 0; x < 3; x++)
7090             putFile16BitBE(file, ei->change->content.e[x][y]);
7091
7092         putFile8Bit(file, ei->slippery_type);
7093
7094         // some free bytes for future properties and padding
7095         WriteUnusedBytesToFile(file, LEVEL_CPART_CUS3_UNUSED);
7096       }
7097
7098       check++;
7099     }
7100   }
7101
7102   if (check != num_changed_custom_elements)     // should not happen
7103     Warn("inconsistent number of custom element properties");
7104 }
7105 #endif
7106
7107 #if ENABLE_HISTORIC_CHUNKS
7108 static void SaveLevel_CUS4(FILE *file, struct LevelInfo *level, int element)
7109 {
7110   struct ElementInfo *ei = &element_info[element];
7111   int i, j, x, y;
7112
7113   // ---------- custom element base property values (96 bytes) ----------------
7114
7115   putFile16BitBE(file, element);
7116
7117   for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
7118     putFile8Bit(file, ei->description[i]);
7119
7120   putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
7121
7122   WriteUnusedBytesToFile(file, 4);      // reserved for more base properties
7123
7124   putFile8Bit(file, ei->num_change_pages);
7125
7126   putFile16BitBE(file, ei->ce_value_fixed_initial);
7127   putFile16BitBE(file, ei->ce_value_random_initial);
7128   putFile8Bit(file, ei->use_last_ce_value);
7129
7130   putFile8Bit(file, ei->use_gfx_element);
7131   putFile16BitBE(file, ei->gfx_element_initial);
7132
7133   putFile8Bit(file, ei->collect_score_initial);
7134   putFile8Bit(file, ei->collect_count_initial);
7135
7136   putFile8Bit(file, ei->drop_delay_fixed);
7137   putFile8Bit(file, ei->push_delay_fixed);
7138   putFile8Bit(file, ei->drop_delay_random);
7139   putFile8Bit(file, ei->push_delay_random);
7140   putFile16BitBE(file, ei->move_delay_fixed);
7141   putFile16BitBE(file, ei->move_delay_random);
7142
7143   // bits 0 - 15 of "move_pattern" ...
7144   putFile16BitBE(file, ei->move_pattern & 0xffff);
7145   putFile8Bit(file, ei->move_direction_initial);
7146   putFile8Bit(file, ei->move_stepsize);
7147
7148   putFile8Bit(file, ei->slippery_type);
7149
7150   for (y = 0; y < 3; y++)
7151     for (x = 0; x < 3; x++)
7152       putFile16BitBE(file, ei->content.e[x][y]);
7153
7154   putFile16BitBE(file, ei->move_enter_element);
7155   putFile16BitBE(file, ei->move_leave_element);
7156   putFile8Bit(file, ei->move_leave_type);
7157
7158   // ... bits 16 - 31 of "move_pattern" (not nice, but downward compatible)
7159   putFile16BitBE(file, (ei->move_pattern >> 16) & 0xffff);
7160
7161   putFile8Bit(file, ei->access_direction);
7162
7163   putFile8Bit(file, ei->explosion_delay);
7164   putFile8Bit(file, ei->ignition_delay);
7165   putFile8Bit(file, ei->explosion_type);
7166
7167   // some free bytes for future custom property values and padding
7168   WriteUnusedBytesToFile(file, 1);
7169
7170   // ---------- change page property values (48 bytes) ------------------------
7171
7172   for (i = 0; i < ei->num_change_pages; i++)
7173   {
7174     struct ElementChangeInfo *change = &ei->change_page[i];
7175     unsigned int event_bits;
7176
7177     // bits 0 - 31 of "has_event[]" ...
7178     event_bits = 0;
7179     for (j = 0; j < MIN(NUM_CHANGE_EVENTS, 32); j++)
7180       if (change->has_event[j])
7181         event_bits |= (1 << j);
7182     putFile32BitBE(file, event_bits);
7183
7184     putFile16BitBE(file, change->target_element);
7185
7186     putFile16BitBE(file, change->delay_fixed);
7187     putFile16BitBE(file, change->delay_random);
7188     putFile16BitBE(file, change->delay_frames);
7189
7190     putFile16BitBE(file, change->initial_trigger_element);
7191
7192     putFile8Bit(file, change->explode);
7193     putFile8Bit(file, change->use_target_content);
7194     putFile8Bit(file, change->only_if_complete);
7195     putFile8Bit(file, change->use_random_replace);
7196
7197     putFile8Bit(file, change->random_percentage);
7198     putFile8Bit(file, change->replace_when);
7199
7200     for (y = 0; y < 3; y++)
7201       for (x = 0; x < 3; x++)
7202         putFile16BitBE(file, change->target_content.e[x][y]);
7203
7204     putFile8Bit(file, change->can_change);
7205
7206     putFile8Bit(file, change->trigger_side);
7207
7208     putFile8Bit(file, change->trigger_player);
7209     putFile8Bit(file, (change->trigger_page == CH_PAGE_ANY ? CH_PAGE_ANY_FILE :
7210                        log_2(change->trigger_page)));
7211
7212     putFile8Bit(file, change->has_action);
7213     putFile8Bit(file, change->action_type);
7214     putFile8Bit(file, change->action_mode);
7215     putFile16BitBE(file, change->action_arg);
7216
7217     // ... bits 32 - 39 of "has_event[]" (not nice, but downward compatible)
7218     event_bits = 0;
7219     for (j = 32; j < NUM_CHANGE_EVENTS; j++)
7220       if (change->has_event[j])
7221         event_bits |= (1 << (j - 32));
7222     putFile8Bit(file, event_bits);
7223   }
7224 }
7225 #endif
7226
7227 #if ENABLE_HISTORIC_CHUNKS
7228 static void SaveLevel_GRP1(FILE *file, struct LevelInfo *level, int element)
7229 {
7230   struct ElementInfo *ei = &element_info[element];
7231   struct ElementGroupInfo *group = ei->group;
7232   int i;
7233
7234   putFile16BitBE(file, element);
7235
7236   for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
7237     putFile8Bit(file, ei->description[i]);
7238
7239   putFile8Bit(file, group->num_elements);
7240
7241   putFile8Bit(file, ei->use_gfx_element);
7242   putFile16BitBE(file, ei->gfx_element_initial);
7243
7244   putFile8Bit(file, group->choice_mode);
7245
7246   // some free bytes for future values and padding
7247   WriteUnusedBytesToFile(file, 3);
7248
7249   for (i = 0; i < MAX_ELEMENTS_IN_GROUP; i++)
7250     putFile16BitBE(file, group->element[i]);
7251 }
7252 #endif
7253
7254 static int SaveLevel_MicroChunk(FILE *file, struct LevelFileConfigInfo *entry,
7255                                 boolean write_element)
7256 {
7257   int save_type = entry->save_type;
7258   int data_type = entry->data_type;
7259   int conf_type = entry->conf_type;
7260   int byte_mask = conf_type & CONF_MASK_BYTES;
7261   int element = entry->element;
7262   int default_value = entry->default_value;
7263   int num_bytes = 0;
7264   boolean modified = FALSE;
7265
7266   if (byte_mask != CONF_MASK_MULTI_BYTES)
7267   {
7268     void *value_ptr = entry->value;
7269     int value = (data_type == TYPE_BOOLEAN ? *(boolean *)value_ptr :
7270                  *(int *)value_ptr);
7271
7272     // check if any settings have been modified before saving them
7273     if (value != default_value)
7274       modified = TRUE;
7275
7276     // do not save if explicitly told or if unmodified default settings
7277     if ((save_type == SAVE_CONF_NEVER) ||
7278         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7279       return 0;
7280
7281     if (write_element)
7282       num_bytes += putFile16BitBE(file, element);
7283
7284     num_bytes += putFile8Bit(file, conf_type);
7285     num_bytes += (byte_mask == CONF_MASK_1_BYTE ? putFile8Bit   (file, value) :
7286                   byte_mask == CONF_MASK_2_BYTE ? putFile16BitBE(file, value) :
7287                   byte_mask == CONF_MASK_4_BYTE ? putFile32BitBE(file, value) :
7288                   0);
7289   }
7290   else if (data_type == TYPE_STRING)
7291   {
7292     char *default_string = entry->default_string;
7293     char *string = (char *)(entry->value);
7294     int string_length = strlen(string);
7295     int i;
7296
7297     // check if any settings have been modified before saving them
7298     if (!strEqual(string, default_string))
7299       modified = TRUE;
7300
7301     // do not save if explicitly told or if unmodified default settings
7302     if ((save_type == SAVE_CONF_NEVER) ||
7303         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7304       return 0;
7305
7306     if (write_element)
7307       num_bytes += putFile16BitBE(file, element);
7308
7309     num_bytes += putFile8Bit(file, conf_type);
7310     num_bytes += putFile16BitBE(file, string_length);
7311
7312     for (i = 0; i < string_length; i++)
7313       num_bytes += putFile8Bit(file, string[i]);
7314   }
7315   else if (data_type == TYPE_ELEMENT_LIST)
7316   {
7317     int *element_array = (int *)(entry->value);
7318     int num_elements = *(int *)(entry->num_entities);
7319     int i;
7320
7321     // check if any settings have been modified before saving them
7322     for (i = 0; i < num_elements; i++)
7323       if (element_array[i] != default_value)
7324         modified = TRUE;
7325
7326     // do not save if explicitly told or if unmodified default settings
7327     if ((save_type == SAVE_CONF_NEVER) ||
7328         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7329       return 0;
7330
7331     if (write_element)
7332       num_bytes += putFile16BitBE(file, element);
7333
7334     num_bytes += putFile8Bit(file, conf_type);
7335     num_bytes += putFile16BitBE(file, num_elements * CONF_ELEMENT_NUM_BYTES);
7336
7337     for (i = 0; i < num_elements; i++)
7338       num_bytes += putFile16BitBE(file, element_array[i]);
7339   }
7340   else if (data_type == TYPE_CONTENT_LIST)
7341   {
7342     struct Content *content = (struct Content *)(entry->value);
7343     int num_contents = *(int *)(entry->num_entities);
7344     int i, x, y;
7345
7346     // check if any settings have been modified before saving them
7347     for (i = 0; i < num_contents; i++)
7348       for (y = 0; y < 3; y++)
7349         for (x = 0; x < 3; x++)
7350           if (content[i].e[x][y] != default_value)
7351             modified = TRUE;
7352
7353     // do not save if explicitly told or if unmodified default settings
7354     if ((save_type == SAVE_CONF_NEVER) ||
7355         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7356       return 0;
7357
7358     if (write_element)
7359       num_bytes += putFile16BitBE(file, element);
7360
7361     num_bytes += putFile8Bit(file, conf_type);
7362     num_bytes += putFile16BitBE(file, num_contents * CONF_CONTENT_NUM_BYTES);
7363
7364     for (i = 0; i < num_contents; i++)
7365       for (y = 0; y < 3; y++)
7366         for (x = 0; x < 3; x++)
7367           num_bytes += putFile16BitBE(file, content[i].e[x][y]);
7368   }
7369
7370   return num_bytes;
7371 }
7372
7373 static int SaveLevel_INFO(FILE *file, struct LevelInfo *level)
7374 {
7375   int chunk_size = 0;
7376   int i;
7377
7378   li = *level;          // copy level data into temporary buffer
7379
7380   for (i = 0; chunk_config_INFO[i].data_type != -1; i++)
7381     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_INFO[i], FALSE);
7382
7383   return chunk_size;
7384 }
7385
7386 static int SaveLevel_ELEM(FILE *file, struct LevelInfo *level)
7387 {
7388   int chunk_size = 0;
7389   int i;
7390
7391   li = *level;          // copy level data into temporary buffer
7392
7393   for (i = 0; chunk_config_ELEM[i].data_type != -1; i++)
7394     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_ELEM[i], TRUE);
7395
7396   return chunk_size;
7397 }
7398
7399 static int SaveLevel_NOTE(FILE *file, struct LevelInfo *level, int element)
7400 {
7401   int envelope_nr = element - EL_ENVELOPE_1;
7402   int chunk_size = 0;
7403   int i;
7404
7405   chunk_size += putFile16BitBE(file, element);
7406
7407   // copy envelope data into temporary buffer
7408   xx_envelope = level->envelope[envelope_nr];
7409
7410   for (i = 0; chunk_config_NOTE[i].data_type != -1; i++)
7411     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_NOTE[i], FALSE);
7412
7413   return chunk_size;
7414 }
7415
7416 static int SaveLevel_CUSX(FILE *file, struct LevelInfo *level, int element)
7417 {
7418   struct ElementInfo *ei = &element_info[element];
7419   int chunk_size = 0;
7420   int i, j;
7421
7422   chunk_size += putFile16BitBE(file, element);
7423
7424   xx_ei = *ei;          // copy element data into temporary buffer
7425
7426   // set default description string for this specific element
7427   strcpy(xx_default_description, getDefaultElementDescription(ei));
7428
7429   for (i = 0; chunk_config_CUSX_base[i].data_type != -1; i++)
7430     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_CUSX_base[i], FALSE);
7431
7432   for (i = 0; i < ei->num_change_pages; i++)
7433   {
7434     struct ElementChangeInfo *change = &ei->change_page[i];
7435
7436     xx_current_change_page = i;
7437
7438     xx_change = *change;        // copy change data into temporary buffer
7439
7440     resetEventBits();
7441     setEventBitsFromEventFlags(change);
7442
7443     for (j = 0; chunk_config_CUSX_change[j].data_type != -1; j++)
7444       chunk_size += SaveLevel_MicroChunk(file, &chunk_config_CUSX_change[j],
7445                                          FALSE);
7446   }
7447
7448   return chunk_size;
7449 }
7450
7451 static int SaveLevel_GRPX(FILE *file, struct LevelInfo *level, int element)
7452 {
7453   struct ElementInfo *ei = &element_info[element];
7454   struct ElementGroupInfo *group = ei->group;
7455   int chunk_size = 0;
7456   int i;
7457
7458   chunk_size += putFile16BitBE(file, element);
7459
7460   xx_ei = *ei;          // copy element data into temporary buffer
7461   xx_group = *group;    // copy group data into temporary buffer
7462
7463   // set default description string for this specific element
7464   strcpy(xx_default_description, getDefaultElementDescription(ei));
7465
7466   for (i = 0; chunk_config_GRPX[i].data_type != -1; i++)
7467     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_GRPX[i], FALSE);
7468
7469   return chunk_size;
7470 }
7471
7472 static void SaveLevelFromFilename(struct LevelInfo *level, char *filename,
7473                                   boolean save_as_template)
7474 {
7475   int chunk_size;
7476   int i;
7477   FILE *file;
7478
7479   if (!(file = fopen(filename, MODE_WRITE)))
7480   {
7481     Warn("cannot save level file '%s'", filename);
7482
7483     return;
7484   }
7485
7486   level->file_version = FILE_VERSION_ACTUAL;
7487   level->game_version = GAME_VERSION_ACTUAL;
7488
7489   level->creation_date = getCurrentDate();
7490
7491   putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
7492   putFileChunkBE(file, "CAVE", CHUNK_SIZE_NONE);
7493
7494   chunk_size = SaveLevel_VERS(NULL, level);
7495   putFileChunkBE(file, "VERS", chunk_size);
7496   SaveLevel_VERS(file, level);
7497
7498   chunk_size = SaveLevel_DATE(NULL, level);
7499   putFileChunkBE(file, "DATE", chunk_size);
7500   SaveLevel_DATE(file, level);
7501
7502   chunk_size = SaveLevel_NAME(NULL, level);
7503   putFileChunkBE(file, "NAME", chunk_size);
7504   SaveLevel_NAME(file, level);
7505
7506   chunk_size = SaveLevel_AUTH(NULL, level);
7507   putFileChunkBE(file, "AUTH", chunk_size);
7508   SaveLevel_AUTH(file, level);
7509
7510   chunk_size = SaveLevel_INFO(NULL, level);
7511   putFileChunkBE(file, "INFO", chunk_size);
7512   SaveLevel_INFO(file, level);
7513
7514   chunk_size = SaveLevel_BODY(NULL, level);
7515   putFileChunkBE(file, "BODY", chunk_size);
7516   SaveLevel_BODY(file, level);
7517
7518   chunk_size = SaveLevel_ELEM(NULL, level);
7519   if (chunk_size > LEVEL_CHUNK_ELEM_UNCHANGED)          // save if changed
7520   {
7521     putFileChunkBE(file, "ELEM", chunk_size);
7522     SaveLevel_ELEM(file, level);
7523   }
7524
7525   for (i = 0; i < NUM_ENVELOPES; i++)
7526   {
7527     int element = EL_ENVELOPE_1 + i;
7528
7529     chunk_size = SaveLevel_NOTE(NULL, level, element);
7530     if (chunk_size > LEVEL_CHUNK_NOTE_UNCHANGED)        // save if changed
7531     {
7532       putFileChunkBE(file, "NOTE", chunk_size);
7533       SaveLevel_NOTE(file, level, element);
7534     }
7535   }
7536
7537   // if not using template level, check for non-default custom/group elements
7538   if (!level->use_custom_template || save_as_template)
7539   {
7540     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
7541     {
7542       int element = EL_CUSTOM_START + i;
7543
7544       chunk_size = SaveLevel_CUSX(NULL, level, element);
7545       if (chunk_size > LEVEL_CHUNK_CUSX_UNCHANGED)      // save if changed
7546       {
7547         putFileChunkBE(file, "CUSX", chunk_size);
7548         SaveLevel_CUSX(file, level, element);
7549       }
7550     }
7551
7552     for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
7553     {
7554       int element = EL_GROUP_START + i;
7555
7556       chunk_size = SaveLevel_GRPX(NULL, level, element);
7557       if (chunk_size > LEVEL_CHUNK_GRPX_UNCHANGED)      // save if changed
7558       {
7559         putFileChunkBE(file, "GRPX", chunk_size);
7560         SaveLevel_GRPX(file, level, element);
7561       }
7562     }
7563   }
7564
7565   fclose(file);
7566
7567   SetFilePermissions(filename, PERMS_PRIVATE);
7568 }
7569
7570 void SaveLevel(int nr)
7571 {
7572   char *filename = getDefaultLevelFilename(nr);
7573
7574   SaveLevelFromFilename(&level, filename, FALSE);
7575 }
7576
7577 void SaveLevelTemplate(void)
7578 {
7579   char *filename = getLocalLevelTemplateFilename();
7580
7581   SaveLevelFromFilename(&level, filename, TRUE);
7582 }
7583
7584 boolean SaveLevelChecked(int nr)
7585 {
7586   char *filename = getDefaultLevelFilename(nr);
7587   boolean new_level = !fileExists(filename);
7588   boolean level_saved = FALSE;
7589
7590   if (new_level || Request("Save this level and kill the old?", REQ_ASK))
7591   {
7592     SaveLevel(nr);
7593
7594     if (new_level)
7595       Request("Level saved!", REQ_CONFIRM);
7596
7597     level_saved = TRUE;
7598   }
7599
7600   return level_saved;
7601 }
7602
7603 void DumpLevel(struct LevelInfo *level)
7604 {
7605   if (level->no_level_file || level->no_valid_file)
7606   {
7607     Warn("cannot dump -- no valid level file found");
7608
7609     return;
7610   }
7611
7612   PrintLine("-", 79);
7613   Print("Level xxx (file version %08d, game version %08d)\n",
7614         level->file_version, level->game_version);
7615   PrintLine("-", 79);
7616
7617   Print("Level author: '%s'\n", level->author);
7618   Print("Level title:  '%s'\n", level->name);
7619   Print("\n");
7620   Print("Playfield size: %d x %d\n", level->fieldx, level->fieldy);
7621   Print("\n");
7622   Print("Level time:  %d seconds\n", level->time);
7623   Print("Gems needed: %d\n", level->gems_needed);
7624   Print("\n");
7625   Print("Time for magic wall: %d seconds\n", level->time_magic_wall);
7626   Print("Time for wheel:      %d seconds\n", level->time_wheel);
7627   Print("Time for light:      %d seconds\n", level->time_light);
7628   Print("Time for timegate:   %d seconds\n", level->time_timegate);
7629   Print("\n");
7630   Print("Amoeba speed: %d\n", level->amoeba_speed);
7631   Print("\n");
7632
7633   Print("EM style slippery gems:      %s\n", (level->em_slippery_gems ? "yes" : "no"));
7634   Print("Player blocks last field:    %s\n", (level->block_last_field ? "yes" : "no"));
7635   Print("SP player blocks last field: %s\n", (level->sp_block_last_field ? "yes" : "no"));
7636   Print("use spring bug: %s\n", (level->use_spring_bug ? "yes" : "no"));
7637   Print("use step counter: %s\n", (level->use_step_counter ? "yes" : "no"));
7638
7639   PrintLine("-", 79);
7640 }
7641
7642
7643 // ============================================================================
7644 // tape file functions
7645 // ============================================================================
7646
7647 static void setTapeInfoToDefaults(void)
7648 {
7649   int i;
7650
7651   // always start with reliable default values (empty tape)
7652   TapeErase();
7653
7654   // default values (also for pre-1.2 tapes) with only the first player
7655   tape.player_participates[0] = TRUE;
7656   for (i = 1; i < MAX_PLAYERS; i++)
7657     tape.player_participates[i] = FALSE;
7658
7659   // at least one (default: the first) player participates in every tape
7660   tape.num_participating_players = 1;
7661
7662   tape.property_bits = TAPE_PROPERTY_NONE;
7663
7664   tape.level_nr = level_nr;
7665   tape.counter = 0;
7666   tape.changed = FALSE;
7667
7668   tape.recording = FALSE;
7669   tape.playing = FALSE;
7670   tape.pausing = FALSE;
7671
7672   tape.scr_fieldx = SCR_FIELDX_DEFAULT;
7673   tape.scr_fieldy = SCR_FIELDY_DEFAULT;
7674
7675   tape.no_valid_file = FALSE;
7676 }
7677
7678 static int getTapePosSize(struct TapeInfo *tape)
7679 {
7680   int tape_pos_size = 0;
7681
7682   if (tape->use_key_actions)
7683     tape_pos_size += tape->num_participating_players;
7684
7685   if (tape->use_mouse_actions)
7686     tape_pos_size += 3;         // x and y position and mouse button mask
7687
7688   tape_pos_size += 1;           // tape action delay value
7689
7690   return tape_pos_size;
7691 }
7692
7693 static void setTapeActionFlags(struct TapeInfo *tape, int value)
7694 {
7695   tape->use_key_actions = FALSE;
7696   tape->use_mouse_actions = FALSE;
7697
7698   if (value != TAPE_USE_MOUSE_ACTIONS_ONLY)
7699     tape->use_key_actions = TRUE;
7700
7701   if (value != TAPE_USE_KEY_ACTIONS_ONLY)
7702     tape->use_mouse_actions = TRUE;
7703 }
7704
7705 static int getTapeActionValue(struct TapeInfo *tape)
7706 {
7707   return (tape->use_key_actions &&
7708           tape->use_mouse_actions ? TAPE_USE_KEY_AND_MOUSE_ACTIONS :
7709           tape->use_key_actions   ? TAPE_USE_KEY_ACTIONS_ONLY :
7710           tape->use_mouse_actions ? TAPE_USE_MOUSE_ACTIONS_ONLY :
7711           TAPE_ACTIONS_DEFAULT);
7712 }
7713
7714 static int LoadTape_VERS(File *file, int chunk_size, struct TapeInfo *tape)
7715 {
7716   tape->file_version = getFileVersion(file);
7717   tape->game_version = getFileVersion(file);
7718
7719   return chunk_size;
7720 }
7721
7722 static int LoadTape_HEAD(File *file, int chunk_size, struct TapeInfo *tape)
7723 {
7724   int i;
7725
7726   tape->random_seed = getFile32BitBE(file);
7727   tape->date        = getFile32BitBE(file);
7728   tape->length      = getFile32BitBE(file);
7729
7730   // read header fields that are new since version 1.2
7731   if (tape->file_version >= FILE_VERSION_1_2)
7732   {
7733     byte store_participating_players = getFile8Bit(file);
7734     int engine_version;
7735
7736     // since version 1.2, tapes store which players participate in the tape
7737     tape->num_participating_players = 0;
7738     for (i = 0; i < MAX_PLAYERS; i++)
7739     {
7740       tape->player_participates[i] = FALSE;
7741
7742       if (store_participating_players & (1 << i))
7743       {
7744         tape->player_participates[i] = TRUE;
7745         tape->num_participating_players++;
7746       }
7747     }
7748
7749     setTapeActionFlags(tape, getFile8Bit(file));
7750
7751     tape->property_bits = getFile8Bit(file);
7752
7753     ReadUnusedBytesFromFile(file, TAPE_CHUNK_HEAD_UNUSED);
7754
7755     engine_version = getFileVersion(file);
7756     if (engine_version > 0)
7757       tape->engine_version = engine_version;
7758     else
7759       tape->engine_version = tape->game_version;
7760   }
7761
7762   return chunk_size;
7763 }
7764
7765 static int LoadTape_SCRN(File *file, int chunk_size, struct TapeInfo *tape)
7766 {
7767   tape->scr_fieldx = getFile8Bit(file);
7768   tape->scr_fieldy = getFile8Bit(file);
7769
7770   return chunk_size;
7771 }
7772
7773 static int LoadTape_INFO(File *file, int chunk_size, struct TapeInfo *tape)
7774 {
7775   char *level_identifier = NULL;
7776   int level_identifier_size;
7777   int i;
7778
7779   level_identifier_size = getFile16BitBE(file);
7780
7781   level_identifier = checked_malloc(level_identifier_size);
7782
7783   for (i = 0; i < level_identifier_size; i++)
7784     level_identifier[i] = getFile8Bit(file);
7785
7786   strncpy(tape->level_identifier, level_identifier, MAX_FILENAME_LEN);
7787   tape->level_identifier[MAX_FILENAME_LEN] = '\0';
7788
7789   checked_free(level_identifier);
7790
7791   tape->level_nr = getFile16BitBE(file);
7792
7793   chunk_size = 2 + level_identifier_size + 2;
7794
7795   return chunk_size;
7796 }
7797
7798 static int LoadTape_BODY(File *file, int chunk_size, struct TapeInfo *tape)
7799 {
7800   int i, j;
7801   int tape_pos_size = getTapePosSize(tape);
7802   int chunk_size_expected = tape_pos_size * tape->length;
7803
7804   if (chunk_size_expected != chunk_size)
7805   {
7806     ReadUnusedBytesFromFile(file, chunk_size);
7807     return chunk_size_expected;
7808   }
7809
7810   for (i = 0; i < tape->length; i++)
7811   {
7812     if (i >= MAX_TAPE_LEN)
7813     {
7814       Warn("tape truncated -- size exceeds maximum tape size %d",
7815             MAX_TAPE_LEN);
7816
7817       // tape too large; read and ignore remaining tape data from this chunk
7818       for (;i < tape->length; i++)
7819         ReadUnusedBytesFromFile(file, tape_pos_size);
7820
7821       break;
7822     }
7823
7824     if (tape->use_key_actions)
7825     {
7826       for (j = 0; j < MAX_PLAYERS; j++)
7827       {
7828         tape->pos[i].action[j] = MV_NONE;
7829
7830         if (tape->player_participates[j])
7831           tape->pos[i].action[j] = getFile8Bit(file);
7832       }
7833     }
7834
7835     if (tape->use_mouse_actions)
7836     {
7837       tape->pos[i].action[TAPE_ACTION_LX]     = getFile8Bit(file);
7838       tape->pos[i].action[TAPE_ACTION_LY]     = getFile8Bit(file);
7839       tape->pos[i].action[TAPE_ACTION_BUTTON] = getFile8Bit(file);
7840     }
7841
7842     tape->pos[i].delay = getFile8Bit(file);
7843
7844     if (tape->file_version == FILE_VERSION_1_0)
7845     {
7846       // eliminate possible diagonal moves in old tapes
7847       // this is only for backward compatibility
7848
7849       byte joy_dir[4] = { JOY_LEFT, JOY_RIGHT, JOY_UP, JOY_DOWN };
7850       byte action = tape->pos[i].action[0];
7851       int k, num_moves = 0;
7852
7853       for (k = 0; k<4; k++)
7854       {
7855         if (action & joy_dir[k])
7856         {
7857           tape->pos[i + num_moves].action[0] = joy_dir[k];
7858           if (num_moves > 0)
7859             tape->pos[i + num_moves].delay = 0;
7860           num_moves++;
7861         }
7862       }
7863
7864       if (num_moves > 1)
7865       {
7866         num_moves--;
7867         i += num_moves;
7868         tape->length += num_moves;
7869       }
7870     }
7871     else if (tape->file_version < FILE_VERSION_2_0)
7872     {
7873       // convert pre-2.0 tapes to new tape format
7874
7875       if (tape->pos[i].delay > 1)
7876       {
7877         // action part
7878         tape->pos[i + 1] = tape->pos[i];
7879         tape->pos[i + 1].delay = 1;
7880
7881         // delay part
7882         for (j = 0; j < MAX_PLAYERS; j++)
7883           tape->pos[i].action[j] = MV_NONE;
7884         tape->pos[i].delay--;
7885
7886         i++;
7887         tape->length++;
7888       }
7889     }
7890
7891     if (checkEndOfFile(file))
7892       break;
7893   }
7894
7895   if (i != tape->length)
7896     chunk_size = tape_pos_size * i;
7897
7898   return chunk_size;
7899 }
7900
7901 static void LoadTape_SokobanSolution(char *filename)
7902 {
7903   File *file;
7904   int move_delay = TILESIZE / level.initial_player_stepsize[0];
7905
7906   if (!(file = openFile(filename, MODE_READ)))
7907   {
7908     tape.no_valid_file = TRUE;
7909
7910     return;
7911   }
7912
7913   while (!checkEndOfFile(file))
7914   {
7915     unsigned char c = getByteFromFile(file);
7916
7917     if (checkEndOfFile(file))
7918       break;
7919
7920     switch (c)
7921     {
7922       case 'u':
7923       case 'U':
7924         tape.pos[tape.length].action[0] = MV_UP;
7925         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
7926         tape.length++;
7927         break;
7928
7929       case 'd':
7930       case 'D':
7931         tape.pos[tape.length].action[0] = MV_DOWN;
7932         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
7933         tape.length++;
7934         break;
7935
7936       case 'l':
7937       case 'L':
7938         tape.pos[tape.length].action[0] = MV_LEFT;
7939         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
7940         tape.length++;
7941         break;
7942
7943       case 'r':
7944       case 'R':
7945         tape.pos[tape.length].action[0] = MV_RIGHT;
7946         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
7947         tape.length++;
7948         break;
7949
7950       case '\n':
7951       case '\r':
7952       case '\t':
7953       case ' ':
7954         // ignore white-space characters
7955         break;
7956
7957       default:
7958         tape.no_valid_file = TRUE;
7959
7960         Warn("unsupported Sokoban solution file '%s' ['%d']", filename, c);
7961
7962         break;
7963     }
7964   }
7965
7966   closeFile(file);
7967
7968   if (tape.no_valid_file)
7969     return;
7970
7971   tape.length_frames  = GetTapeLengthFrames();
7972   tape.length_seconds = GetTapeLengthSeconds();
7973 }
7974
7975 void LoadTapeFromFilename(char *filename)
7976 {
7977   char cookie[MAX_LINE_LEN];
7978   char chunk_name[CHUNK_ID_LEN + 1];
7979   File *file;
7980   int chunk_size;
7981
7982   // always start with reliable default values
7983   setTapeInfoToDefaults();
7984
7985   if (strSuffix(filename, ".sln"))
7986   {
7987     LoadTape_SokobanSolution(filename);
7988
7989     return;
7990   }
7991
7992   if (!(file = openFile(filename, MODE_READ)))
7993   {
7994     tape.no_valid_file = TRUE;
7995
7996     return;
7997   }
7998
7999   getFileChunkBE(file, chunk_name, NULL);
8000   if (strEqual(chunk_name, "RND1"))
8001   {
8002     getFile32BitBE(file);               // not used
8003
8004     getFileChunkBE(file, chunk_name, NULL);
8005     if (!strEqual(chunk_name, "TAPE"))
8006     {
8007       tape.no_valid_file = TRUE;
8008
8009       Warn("unknown format of tape file '%s'", filename);
8010
8011       closeFile(file);
8012
8013       return;
8014     }
8015   }
8016   else  // check for pre-2.0 file format with cookie string
8017   {
8018     strcpy(cookie, chunk_name);
8019     if (getStringFromFile(file, &cookie[4], MAX_LINE_LEN - 4) == NULL)
8020       cookie[4] = '\0';
8021     if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
8022       cookie[strlen(cookie) - 1] = '\0';
8023
8024     if (!checkCookieString(cookie, TAPE_COOKIE_TMPL))
8025     {
8026       tape.no_valid_file = TRUE;
8027
8028       Warn("unknown format of tape file '%s'", filename);
8029
8030       closeFile(file);
8031
8032       return;
8033     }
8034
8035     if ((tape.file_version = getFileVersionFromCookieString(cookie)) == -1)
8036     {
8037       tape.no_valid_file = TRUE;
8038
8039       Warn("unsupported version of tape file '%s'", filename);
8040
8041       closeFile(file);
8042
8043       return;
8044     }
8045
8046     // pre-2.0 tape files have no game version, so use file version here
8047     tape.game_version = tape.file_version;
8048   }
8049
8050   if (tape.file_version < FILE_VERSION_1_2)
8051   {
8052     // tape files from versions before 1.2.0 without chunk structure
8053     LoadTape_HEAD(file, TAPE_CHUNK_HEAD_SIZE, &tape);
8054     LoadTape_BODY(file, 2 * tape.length,      &tape);
8055   }
8056   else
8057   {
8058     static struct
8059     {
8060       char *name;
8061       int size;
8062       int (*loader)(File *, int, struct TapeInfo *);
8063     }
8064     chunk_info[] =
8065     {
8066       { "VERS", TAPE_CHUNK_VERS_SIZE,   LoadTape_VERS },
8067       { "HEAD", TAPE_CHUNK_HEAD_SIZE,   LoadTape_HEAD },
8068       { "SCRN", TAPE_CHUNK_SCRN_SIZE,   LoadTape_SCRN },
8069       { "INFO", -1,                     LoadTape_INFO },
8070       { "BODY", -1,                     LoadTape_BODY },
8071       {  NULL,  0,                      NULL }
8072     };
8073
8074     while (getFileChunkBE(file, chunk_name, &chunk_size))
8075     {
8076       int i = 0;
8077
8078       while (chunk_info[i].name != NULL &&
8079              !strEqual(chunk_name, chunk_info[i].name))
8080         i++;
8081
8082       if (chunk_info[i].name == NULL)
8083       {
8084         Warn("unknown chunk '%s' in tape file '%s'",
8085               chunk_name, filename);
8086
8087         ReadUnusedBytesFromFile(file, chunk_size);
8088       }
8089       else if (chunk_info[i].size != -1 &&
8090                chunk_info[i].size != chunk_size)
8091       {
8092         Warn("wrong size (%d) of chunk '%s' in tape file '%s'",
8093               chunk_size, chunk_name, filename);
8094
8095         ReadUnusedBytesFromFile(file, chunk_size);
8096       }
8097       else
8098       {
8099         // call function to load this tape chunk
8100         int chunk_size_expected =
8101           (chunk_info[i].loader)(file, chunk_size, &tape);
8102
8103         // the size of some chunks cannot be checked before reading other
8104         // chunks first (like "HEAD" and "BODY") that contain some header
8105         // information, so check them here
8106         if (chunk_size_expected != chunk_size)
8107         {
8108           Warn("wrong size (%d) of chunk '%s' in tape file '%s'",
8109                 chunk_size, chunk_name, filename);
8110         }
8111       }
8112     }
8113   }
8114
8115   closeFile(file);
8116
8117   tape.length_frames  = GetTapeLengthFrames();
8118   tape.length_seconds = GetTapeLengthSeconds();
8119
8120 #if 0
8121   Debug("files:LoadTapeFromFilename", "tape file version: %d",
8122         tape.file_version);
8123   Debug("files:LoadTapeFromFilename", "tape game version: %d",
8124         tape.game_version);
8125   Debug("files:LoadTapeFromFilename", "tape engine version: %d",
8126         tape.engine_version);
8127 #endif
8128 }
8129
8130 void LoadTape(int nr)
8131 {
8132   char *filename = getTapeFilename(nr);
8133
8134   LoadTapeFromFilename(filename);
8135 }
8136
8137 void LoadSolutionTape(int nr)
8138 {
8139   char *filename = getSolutionTapeFilename(nr);
8140
8141   LoadTapeFromFilename(filename);
8142
8143   if (TAPE_IS_EMPTY(tape) &&
8144       level.game_engine_type == GAME_ENGINE_TYPE_SP &&
8145       level.native_sp_level->demo.is_available)
8146     CopyNativeTape_SP_to_RND(&level);
8147 }
8148
8149 static boolean checkSaveTape_SCRN(struct TapeInfo *tape)
8150 {
8151   // chunk required for team mode tapes with non-default screen size
8152   return (tape->num_participating_players > 1 &&
8153           (tape->scr_fieldx != SCR_FIELDX_DEFAULT ||
8154            tape->scr_fieldy != SCR_FIELDY_DEFAULT));
8155 }
8156
8157 static void SaveTape_VERS(FILE *file, struct TapeInfo *tape)
8158 {
8159   putFileVersion(file, tape->file_version);
8160   putFileVersion(file, tape->game_version);
8161 }
8162
8163 static void SaveTape_HEAD(FILE *file, struct TapeInfo *tape)
8164 {
8165   int i;
8166   byte store_participating_players = 0;
8167
8168   // set bits for participating players for compact storage
8169   for (i = 0; i < MAX_PLAYERS; i++)
8170     if (tape->player_participates[i])
8171       store_participating_players |= (1 << i);
8172
8173   putFile32BitBE(file, tape->random_seed);
8174   putFile32BitBE(file, tape->date);
8175   putFile32BitBE(file, tape->length);
8176
8177   putFile8Bit(file, store_participating_players);
8178
8179   putFile8Bit(file, getTapeActionValue(tape));
8180
8181   putFile8Bit(file, tape->property_bits);
8182
8183   // unused bytes not at the end here for 4-byte alignment of engine_version
8184   WriteUnusedBytesToFile(file, TAPE_CHUNK_HEAD_UNUSED);
8185
8186   putFileVersion(file, tape->engine_version);
8187 }
8188
8189 static void SaveTape_SCRN(FILE *file, struct TapeInfo *tape)
8190 {
8191   putFile8Bit(file, tape->scr_fieldx);
8192   putFile8Bit(file, tape->scr_fieldy);
8193 }
8194
8195 static void SaveTape_INFO(FILE *file, struct TapeInfo *tape)
8196 {
8197   int level_identifier_size = strlen(tape->level_identifier) + 1;
8198   int i;
8199
8200   putFile16BitBE(file, level_identifier_size);
8201
8202   for (i = 0; i < level_identifier_size; i++)
8203     putFile8Bit(file, tape->level_identifier[i]);
8204
8205   putFile16BitBE(file, tape->level_nr);
8206 }
8207
8208 static void SaveTape_BODY(FILE *file, struct TapeInfo *tape)
8209 {
8210   int i, j;
8211
8212   for (i = 0; i < tape->length; i++)
8213   {
8214     if (tape->use_key_actions)
8215     {
8216       for (j = 0; j < MAX_PLAYERS; j++)
8217         if (tape->player_participates[j])
8218           putFile8Bit(file, tape->pos[i].action[j]);
8219     }
8220
8221     if (tape->use_mouse_actions)
8222     {
8223       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_LX]);
8224       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_LY]);
8225       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_BUTTON]);
8226     }
8227
8228     putFile8Bit(file, tape->pos[i].delay);
8229   }
8230 }
8231
8232 void SaveTapeToFilename(char *filename)
8233 {
8234   FILE *file;
8235   int tape_pos_size;
8236   int info_chunk_size;
8237   int body_chunk_size;
8238
8239   if (!(file = fopen(filename, MODE_WRITE)))
8240   {
8241     Warn("cannot save level recording file '%s'", filename);
8242
8243     return;
8244   }
8245
8246   tape_pos_size = getTapePosSize(&tape);
8247
8248   info_chunk_size = 2 + (strlen(tape.level_identifier) + 1) + 2;
8249   body_chunk_size = tape_pos_size * tape.length;
8250
8251   putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
8252   putFileChunkBE(file, "TAPE", CHUNK_SIZE_NONE);
8253
8254   putFileChunkBE(file, "VERS", TAPE_CHUNK_VERS_SIZE);
8255   SaveTape_VERS(file, &tape);
8256
8257   putFileChunkBE(file, "HEAD", TAPE_CHUNK_HEAD_SIZE);
8258   SaveTape_HEAD(file, &tape);
8259
8260   if (checkSaveTape_SCRN(&tape))
8261   {
8262     putFileChunkBE(file, "SCRN", TAPE_CHUNK_SCRN_SIZE);
8263     SaveTape_SCRN(file, &tape);
8264   }
8265
8266   putFileChunkBE(file, "INFO", info_chunk_size);
8267   SaveTape_INFO(file, &tape);
8268
8269   putFileChunkBE(file, "BODY", body_chunk_size);
8270   SaveTape_BODY(file, &tape);
8271
8272   fclose(file);
8273
8274   SetFilePermissions(filename, PERMS_PRIVATE);
8275 }
8276
8277 void SaveTape(int nr)
8278 {
8279   char *filename = getTapeFilename(nr);
8280   int i;
8281
8282   InitTapeDirectory(leveldir_current->subdir);
8283
8284   tape.file_version = FILE_VERSION_ACTUAL;
8285   tape.game_version = GAME_VERSION_ACTUAL;
8286
8287   tape.num_participating_players = 0;
8288
8289   // count number of participating players
8290   for (i = 0; i < MAX_PLAYERS; i++)
8291     if (tape.player_participates[i])
8292       tape.num_participating_players++;
8293
8294   SaveTapeToFilename(filename);
8295
8296   tape.changed = FALSE;
8297 }
8298
8299 static boolean SaveTapeCheckedExt(int nr, char *msg_replace, char *msg_saved,
8300                                   unsigned int req_state_added)
8301 {
8302   char *filename = getTapeFilename(nr);
8303   boolean new_tape = !fileExists(filename);
8304   boolean tape_saved = FALSE;
8305
8306   if (new_tape || Request(msg_replace, REQ_ASK | req_state_added))
8307   {
8308     SaveTape(nr);
8309
8310     if (new_tape)
8311       Request(msg_saved, REQ_CONFIRM | req_state_added);
8312
8313     tape_saved = TRUE;
8314   }
8315
8316   return tape_saved;
8317 }
8318
8319 boolean SaveTapeChecked(int nr)
8320 {
8321   return SaveTapeCheckedExt(nr, "Replace old tape?", "Tape saved!", 0);
8322 }
8323
8324 boolean SaveTapeChecked_LevelSolved(int nr)
8325 {
8326   return SaveTapeCheckedExt(nr, "Level solved! Replace old tape?",
8327                                 "Level solved! Tape saved!", REQ_STAY_OPEN);
8328 }
8329
8330 void DumpTape(struct TapeInfo *tape)
8331 {
8332   int tape_frame_counter;
8333   int i, j;
8334
8335   if (tape->no_valid_file)
8336   {
8337     Warn("cannot dump -- no valid tape file found");
8338
8339     return;
8340   }
8341
8342   PrintLine("-", 79);
8343   Print("Tape of Level %03d (file version %08d, game version %08d)\n",
8344         tape->level_nr, tape->file_version, tape->game_version);
8345   Print("                  (effective engine version %08d)\n",
8346         tape->engine_version);
8347   Print("Level series identifier: '%s'\n", tape->level_identifier);
8348   PrintLine("-", 79);
8349
8350   tape_frame_counter = 0;
8351
8352   for (i = 0; i < tape->length; i++)
8353   {
8354     if (i >= MAX_TAPE_LEN)
8355       break;
8356
8357     Print("%04d: ", i);
8358
8359     for (j = 0; j < MAX_PLAYERS; j++)
8360     {
8361       if (tape->player_participates[j])
8362       {
8363         int action = tape->pos[i].action[j];
8364
8365         Print("%d:%02x ", j, action);
8366         Print("[%c%c%c%c|%c%c] - ",
8367               (action & JOY_LEFT ? '<' : ' '),
8368               (action & JOY_RIGHT ? '>' : ' '),
8369               (action & JOY_UP ? '^' : ' '),
8370               (action & JOY_DOWN ? 'v' : ' '),
8371               (action & JOY_BUTTON_1 ? '1' : ' '),
8372               (action & JOY_BUTTON_2 ? '2' : ' '));
8373       }
8374     }
8375
8376     Print("(%03d) ", tape->pos[i].delay);
8377     Print("[%05d]\n", tape_frame_counter);
8378
8379     tape_frame_counter += tape->pos[i].delay;
8380   }
8381
8382   PrintLine("-", 79);
8383 }
8384
8385
8386 // ============================================================================
8387 // score file functions
8388 // ============================================================================
8389
8390 static void setScoreInfoToDefaults(void)
8391 {
8392   int i;
8393
8394   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8395   {
8396     strcpy(scores.entry[i].name, EMPTY_PLAYER_NAME);
8397     scores.entry[i].score = 0;
8398     scores.entry[i].time = 0;
8399   }
8400 }
8401
8402 static void LoadScore_OLD(int nr)
8403 {
8404   int i;
8405   char *filename = getScoreFilename(nr);
8406   char cookie[MAX_LINE_LEN];
8407   char line[MAX_LINE_LEN];
8408   char *line_ptr;
8409   FILE *file;
8410
8411   if (!(file = fopen(filename, MODE_READ)))
8412     return;
8413
8414   // check file identifier
8415   if (fgets(cookie, MAX_LINE_LEN, file) == NULL)
8416     cookie[0] = '\0';
8417   if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
8418     cookie[strlen(cookie) - 1] = '\0';
8419
8420   if (!checkCookieString(cookie, SCORE_COOKIE_TMPL))
8421   {
8422     Warn("unknown format of score file '%s'", filename);
8423
8424     fclose(file);
8425
8426     return;
8427   }
8428
8429   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8430   {
8431     if (fscanf(file, "%d", &scores.entry[i].score) == EOF)
8432       Warn("fscanf() failed; %s", strerror(errno));
8433
8434     if (fgets(line, MAX_LINE_LEN, file) == NULL)
8435       line[0] = '\0';
8436
8437     if (strlen(line) > 0 && line[strlen(line) - 1] == '\n')
8438       line[strlen(line) - 1] = '\0';
8439
8440     for (line_ptr = line; *line_ptr; line_ptr++)
8441     {
8442       if (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
8443       {
8444         strncpy(scores.entry[i].name, line_ptr, MAX_PLAYER_NAME_LEN);
8445         scores.entry[i].name[MAX_PLAYER_NAME_LEN] = '\0';
8446         break;
8447       }
8448     }
8449   }
8450
8451   fclose(file);
8452 }
8453
8454 static int LoadScore_VERS(File *file, int chunk_size, struct ScoreInfo *scores)
8455 {
8456   scores->file_version = getFileVersion(file);
8457   scores->game_version = getFileVersion(file);
8458
8459   return chunk_size;
8460 }
8461
8462 static int LoadScore_INFO(File *file, int chunk_size, struct ScoreInfo *scores)
8463 {
8464   char *level_identifier = NULL;
8465   int level_identifier_size;
8466   int i;
8467
8468   level_identifier_size = getFile16BitBE(file);
8469
8470   level_identifier = checked_malloc(level_identifier_size);
8471
8472   for (i = 0; i < level_identifier_size; i++)
8473     level_identifier[i] = getFile8Bit(file);
8474
8475   strncpy(scores->level_identifier, level_identifier, MAX_FILENAME_LEN);
8476   scores->level_identifier[MAX_FILENAME_LEN] = '\0';
8477
8478   checked_free(level_identifier);
8479
8480   scores->level_nr = getFile16BitBE(file);
8481   scores->num_entries = getFile16BitBE(file);
8482
8483   chunk_size = 2 + level_identifier_size + 2 + 2;
8484
8485   return chunk_size;
8486 }
8487
8488 static int LoadScore_NAME(File *file, int chunk_size, struct ScoreInfo *scores)
8489 {
8490   int i, j;
8491
8492   for (i = 0; i < scores->num_entries; i++)
8493   {
8494     for (j = 0; j < MAX_PLAYER_NAME_LEN; j++)
8495       scores->entry[i].name[j] = getFile8Bit(file);
8496
8497     scores->entry[i].name[MAX_PLAYER_NAME_LEN] = '\0';
8498   }
8499
8500   chunk_size = scores->num_entries * MAX_PLAYER_NAME_LEN;
8501
8502   return chunk_size;
8503 }
8504
8505 static int LoadScore_SCOR(File *file, int chunk_size, struct ScoreInfo *scores)
8506 {
8507   int i;
8508
8509   for (i = 0; i < scores->num_entries; i++)
8510     scores->entry[i].score = getFile16BitBE(file);
8511
8512   chunk_size = scores->num_entries * 2;
8513
8514   return chunk_size;
8515 }
8516
8517 static int LoadScore_TIME(File *file, int chunk_size, struct ScoreInfo *scores)
8518 {
8519   int i;
8520
8521   for (i = 0; i < scores->num_entries; i++)
8522     scores->entry[i].time = getFile32BitBE(file);
8523
8524   chunk_size = scores->num_entries * 4;
8525
8526   return chunk_size;
8527 }
8528
8529 void LoadScore(int nr)
8530 {
8531   char *filename = getScoreFilename(nr);
8532   char cookie[MAX_LINE_LEN];
8533   char chunk_name[CHUNK_ID_LEN + 1];
8534   int chunk_size;
8535   boolean old_score_file_format = FALSE;
8536   File *file;
8537
8538   // always start with reliable default values
8539   setScoreInfoToDefaults();
8540
8541   if (!(file = openFile(filename, MODE_READ)))
8542     return;
8543
8544   getFileChunkBE(file, chunk_name, NULL);
8545   if (strEqual(chunk_name, "RND1"))
8546   {
8547     getFile32BitBE(file);               // not used
8548
8549     getFileChunkBE(file, chunk_name, NULL);
8550     if (!strEqual(chunk_name, "SCOR"))
8551     {
8552       Warn("unknown format of score file '%s'", filename);
8553
8554       closeFile(file);
8555
8556       return;
8557     }
8558   }
8559   else  // check for old file format with cookie string
8560   {
8561     strcpy(cookie, chunk_name);
8562     if (getStringFromFile(file, &cookie[4], MAX_LINE_LEN - 4) == NULL)
8563       cookie[4] = '\0';
8564     if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
8565       cookie[strlen(cookie) - 1] = '\0';
8566
8567     if (!checkCookieString(cookie, SCORE_COOKIE_TMPL))
8568     {
8569       Warn("unknown format of score file '%s'", filename);
8570
8571       closeFile(file);
8572
8573       return;
8574     }
8575
8576     old_score_file_format = TRUE;
8577   }
8578
8579   if (old_score_file_format)
8580   {
8581     // score files from versions before 4.2.4.0 without chunk structure
8582     LoadScore_OLD(nr);
8583   }
8584   else
8585   {
8586     static struct
8587     {
8588       char *name;
8589       int size;
8590       int (*loader)(File *, int, struct ScoreInfo *);
8591     }
8592     chunk_info[] =
8593     {
8594       { "VERS", SCORE_CHUNK_VERS_SIZE,  LoadScore_VERS },
8595       { "INFO", -1,                     LoadScore_INFO },
8596       { "NAME", -1,                     LoadScore_NAME },
8597       { "SCOR", -1,                     LoadScore_SCOR },
8598       { "TIME", -1,                     LoadScore_TIME },
8599
8600       {  NULL,  0,                      NULL }
8601     };
8602
8603     while (getFileChunkBE(file, chunk_name, &chunk_size))
8604     {
8605       int i = 0;
8606
8607       while (chunk_info[i].name != NULL &&
8608              !strEqual(chunk_name, chunk_info[i].name))
8609         i++;
8610
8611       if (chunk_info[i].name == NULL)
8612       {
8613         Warn("unknown chunk '%s' in score file '%s'",
8614               chunk_name, filename);
8615
8616         ReadUnusedBytesFromFile(file, chunk_size);
8617       }
8618       else if (chunk_info[i].size != -1 &&
8619                chunk_info[i].size != chunk_size)
8620       {
8621         Warn("wrong size (%d) of chunk '%s' in score file '%s'",
8622               chunk_size, chunk_name, filename);
8623
8624         ReadUnusedBytesFromFile(file, chunk_size);
8625       }
8626       else
8627       {
8628         // call function to load this score chunk
8629         int chunk_size_expected =
8630           (chunk_info[i].loader)(file, chunk_size, &scores);
8631
8632         // the size of some chunks cannot be checked before reading other
8633         // chunks first (like "HEAD" and "BODY") that contain some header
8634         // information, so check them here
8635         if (chunk_size_expected != chunk_size)
8636         {
8637           Warn("wrong size (%d) of chunk '%s' in score file '%s'",
8638                 chunk_size, chunk_name, filename);
8639         }
8640       }
8641     }
8642   }
8643
8644   closeFile(file);
8645 }
8646
8647 #if ENABLE_HISTORIC_CHUNKS
8648 void SaveScore_OLD(int nr)
8649 {
8650   int i;
8651   int permissions = (program.global_scores ? PERMS_PUBLIC : PERMS_PRIVATE);
8652   char *filename = getScoreFilename(nr);
8653   FILE *file;
8654
8655   // used instead of "leveldir_current->subdir" (for network games)
8656   InitScoreDirectory(levelset.identifier);
8657
8658   if (!(file = fopen(filename, MODE_WRITE)))
8659   {
8660     Warn("cannot save score for level %d", nr);
8661
8662     return;
8663   }
8664
8665   fprintf(file, "%s\n\n", SCORE_COOKIE);
8666
8667   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8668     fprintf(file, "%d %s\n", scores.entry[i].score, scores.entry[i].name);
8669
8670   fclose(file);
8671
8672   SetFilePermissions(filename, permissions);
8673 }
8674 #endif
8675
8676 static void SaveScore_VERS(FILE *file, struct ScoreInfo *scores)
8677 {
8678   putFileVersion(file, scores->file_version);
8679   putFileVersion(file, scores->game_version);
8680 }
8681
8682 static void SaveScore_INFO(FILE *file, struct ScoreInfo *scores)
8683 {
8684   int level_identifier_size = strlen(scores->level_identifier) + 1;
8685   int i;
8686
8687   putFile16BitBE(file, level_identifier_size);
8688
8689   for (i = 0; i < level_identifier_size; i++)
8690     putFile8Bit(file, scores->level_identifier[i]);
8691
8692   putFile16BitBE(file, scores->level_nr);
8693   putFile16BitBE(file, scores->num_entries);
8694 }
8695
8696 static void SaveScore_NAME(FILE *file, struct ScoreInfo *scores)
8697 {
8698   int i, j;
8699
8700   for (i = 0; i < scores->num_entries; i++)
8701   {
8702     int name_size = strlen(scores->entry[i].name);
8703
8704     for (j = 0; j < MAX_PLAYER_NAME_LEN; j++)
8705       putFile8Bit(file, (j < name_size ? scores->entry[i].name[j] : 0));
8706   }
8707 }
8708
8709 static void SaveScore_SCOR(FILE *file, struct ScoreInfo *scores)
8710 {
8711   int i;
8712
8713   for (i = 0; i < scores->num_entries; i++)
8714     putFile16BitBE(file, scores->entry[i].score);
8715 }
8716
8717 static void SaveScore_TIME(FILE *file, struct ScoreInfo *scores)
8718 {
8719   int i;
8720
8721   for (i = 0; i < scores->num_entries; i++)
8722     putFile32BitBE(file, scores->entry[i].time);
8723 }
8724
8725 static void SaveScoreToFilename(char *filename)
8726 {
8727   FILE *file;
8728   int permissions = (program.global_scores ? PERMS_PUBLIC : PERMS_PRIVATE);
8729   int info_chunk_size;
8730   int name_chunk_size;
8731   int scor_chunk_size;
8732   int time_chunk_size;
8733
8734   if (!(file = fopen(filename, MODE_WRITE)))
8735   {
8736     Warn("cannot save score file '%s'", filename);
8737
8738     return;
8739   }
8740
8741   info_chunk_size = 2 + (strlen(scores.level_identifier) + 1) + 2 + 2;
8742   name_chunk_size = scores.num_entries * MAX_PLAYER_NAME_LEN;
8743   scor_chunk_size = scores.num_entries * 2;
8744   time_chunk_size = scores.num_entries * 4;
8745
8746   putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
8747   putFileChunkBE(file, "SCOR", CHUNK_SIZE_NONE);
8748
8749   putFileChunkBE(file, "VERS", SCORE_CHUNK_VERS_SIZE);
8750   SaveScore_VERS(file, &scores);
8751
8752   putFileChunkBE(file, "INFO", info_chunk_size);
8753   SaveScore_INFO(file, &scores);
8754
8755   putFileChunkBE(file, "NAME", name_chunk_size);
8756   SaveScore_NAME(file, &scores);
8757
8758   putFileChunkBE(file, "SCOR", scor_chunk_size);
8759   SaveScore_SCOR(file, &scores);
8760
8761   putFileChunkBE(file, "TIME", time_chunk_size);
8762   SaveScore_TIME(file, &scores);
8763
8764   fclose(file);
8765
8766   SetFilePermissions(filename, permissions);
8767 }
8768
8769 void SaveScore(int nr)
8770 {
8771   char *filename = getScoreFilename(nr);
8772   int i;
8773
8774   // used instead of "leveldir_current->subdir" (for network games)
8775   InitScoreDirectory(levelset.identifier);
8776
8777   scores.file_version = FILE_VERSION_ACTUAL;
8778   scores.game_version = GAME_VERSION_ACTUAL;
8779
8780   strncpy(scores.level_identifier, levelset.identifier, MAX_FILENAME_LEN);
8781   scores.level_identifier[MAX_FILENAME_LEN] = '\0';
8782   scores.level_nr = level_nr;
8783
8784   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8785     if (scores.entry[i].score == 0 &&
8786         scores.entry[i].time == 0 &&
8787         strEqual(scores.entry[i].name, EMPTY_PLAYER_NAME))
8788       break;
8789
8790   scores.num_entries = i;
8791
8792   if (scores.num_entries == 0)
8793     return;
8794
8795   SaveScoreToFilename(filename);
8796 }
8797
8798
8799 // ============================================================================
8800 // setup file functions
8801 // ============================================================================
8802
8803 #define TOKEN_STR_PLAYER_PREFIX                 "player_"
8804
8805
8806 static struct TokenInfo global_setup_tokens[] =
8807 {
8808   {
8809     TYPE_STRING,
8810     &setup.player_name,                         "player_name"
8811   },
8812   {
8813     TYPE_SWITCH,
8814     &setup.multiple_users,                      "multiple_users"
8815   },
8816   {
8817     TYPE_SWITCH,
8818     &setup.sound,                               "sound"
8819   },
8820   {
8821     TYPE_SWITCH,
8822     &setup.sound_loops,                         "repeating_sound_loops"
8823   },
8824   {
8825     TYPE_SWITCH,
8826     &setup.sound_music,                         "background_music"
8827   },
8828   {
8829     TYPE_SWITCH,
8830     &setup.sound_simple,                        "simple_sound_effects"
8831   },
8832   {
8833     TYPE_SWITCH,
8834     &setup.toons,                               "toons"
8835   },
8836   {
8837     TYPE_SWITCH,
8838     &setup.scroll_delay,                        "scroll_delay"
8839   },
8840   {
8841     TYPE_SWITCH,
8842     &setup.forced_scroll_delay,                 "forced_scroll_delay"
8843   },
8844   {
8845     TYPE_INTEGER,
8846     &setup.scroll_delay_value,                  "scroll_delay_value"
8847   },
8848   {
8849     TYPE_STRING,
8850     &setup.engine_snapshot_mode,                "engine_snapshot_mode"
8851   },
8852   {
8853     TYPE_INTEGER,
8854     &setup.engine_snapshot_memory,              "engine_snapshot_memory"
8855   },
8856   {
8857     TYPE_SWITCH,
8858     &setup.fade_screens,                        "fade_screens"
8859   },
8860   {
8861     TYPE_SWITCH,
8862     &setup.autorecord,                          "automatic_tape_recording"
8863   },
8864   {
8865     TYPE_SWITCH,
8866     &setup.show_titlescreen,                    "show_titlescreen"
8867   },
8868   {
8869     TYPE_SWITCH,
8870     &setup.quick_doors,                         "quick_doors"
8871   },
8872   {
8873     TYPE_SWITCH,
8874     &setup.team_mode,                           "team_mode"
8875   },
8876   {
8877     TYPE_SWITCH,
8878     &setup.handicap,                            "handicap"
8879   },
8880   {
8881     TYPE_SWITCH,
8882     &setup.skip_levels,                         "skip_levels"
8883   },
8884   {
8885     TYPE_SWITCH,
8886     &setup.increment_levels,                    "increment_levels"
8887   },
8888   {
8889     TYPE_SWITCH,
8890     &setup.auto_play_next_level,                "auto_play_next_level"
8891   },
8892   {
8893     TYPE_SWITCH,
8894     &setup.count_score_after_game,              "count_score_after_game"
8895   },
8896   {
8897     TYPE_SWITCH,
8898     &setup.show_scores_after_game,              "show_scores_after_game"
8899   },
8900   {
8901     TYPE_SWITCH,
8902     &setup.time_limit,                          "time_limit"
8903   },
8904   {
8905     TYPE_SWITCH,
8906     &setup.fullscreen,                          "fullscreen"
8907   },
8908   {
8909     TYPE_INTEGER,
8910     &setup.window_scaling_percent,              "window_scaling_percent"
8911   },
8912   {
8913     TYPE_STRING,
8914     &setup.window_scaling_quality,              "window_scaling_quality"
8915   },
8916   {
8917     TYPE_STRING,
8918     &setup.screen_rendering_mode,               "screen_rendering_mode"
8919   },
8920   {
8921     TYPE_STRING,
8922     &setup.vsync_mode,                          "vsync_mode"
8923   },
8924   {
8925     TYPE_SWITCH,
8926     &setup.ask_on_escape,                       "ask_on_escape"
8927   },
8928   {
8929     TYPE_SWITCH,
8930     &setup.ask_on_escape_editor,                "ask_on_escape_editor"
8931   },
8932   {
8933     TYPE_SWITCH,
8934     &setup.ask_on_game_over,                    "ask_on_game_over"
8935   },
8936   {
8937     TYPE_SWITCH,
8938     &setup.ask_on_quit_game,                    "ask_on_quit_game"
8939   },
8940   {
8941     TYPE_SWITCH,
8942     &setup.ask_on_quit_program,                 "ask_on_quit_program"
8943   },
8944   {
8945     TYPE_SWITCH,
8946     &setup.quick_switch,                        "quick_player_switch"
8947   },
8948   {
8949     TYPE_SWITCH,
8950     &setup.input_on_focus,                      "input_on_focus"
8951   },
8952   {
8953     TYPE_SWITCH,
8954     &setup.prefer_aga_graphics,                 "prefer_aga_graphics"
8955   },
8956   {
8957     TYPE_SWITCH,
8958     &setup.prefer_lowpass_sounds,               "prefer_lowpass_sounds"
8959   },
8960   {
8961     TYPE_SWITCH,
8962     &setup.prefer_extra_panel_items,            "prefer_extra_panel_items"
8963   },
8964   {
8965     TYPE_SWITCH,
8966     &setup.game_speed_extended,                 "game_speed_extended"
8967   },
8968   {
8969     TYPE_INTEGER,
8970     &setup.game_frame_delay,                    "game_frame_delay"
8971   },
8972   {
8973     TYPE_SWITCH,
8974     &setup.sp_show_border_elements,             "sp_show_border_elements"
8975   },
8976   {
8977     TYPE_SWITCH,
8978     &setup.small_game_graphics,                 "small_game_graphics"
8979   },
8980   {
8981     TYPE_SWITCH,
8982     &setup.show_snapshot_buttons,               "show_snapshot_buttons"
8983   },
8984   {
8985     TYPE_STRING,
8986     &setup.graphics_set,                        "graphics_set"
8987   },
8988   {
8989     TYPE_STRING,
8990     &setup.sounds_set,                          "sounds_set"
8991   },
8992   {
8993     TYPE_STRING,
8994     &setup.music_set,                           "music_set"
8995   },
8996   {
8997     TYPE_SWITCH3,
8998     &setup.override_level_graphics,             "override_level_graphics"
8999   },
9000   {
9001     TYPE_SWITCH3,
9002     &setup.override_level_sounds,               "override_level_sounds"
9003   },
9004   {
9005     TYPE_SWITCH3,
9006     &setup.override_level_music,                "override_level_music"
9007   },
9008   {
9009     TYPE_INTEGER,
9010     &setup.volume_simple,                       "volume_simple"
9011   },
9012   {
9013     TYPE_INTEGER,
9014     &setup.volume_loops,                        "volume_loops"
9015   },
9016   {
9017     TYPE_INTEGER,
9018     &setup.volume_music,                        "volume_music"
9019   },
9020   {
9021     TYPE_SWITCH,
9022     &setup.network_mode,                        "network_mode"
9023   },
9024   {
9025     TYPE_PLAYER,
9026     &setup.network_player_nr,                   "network_player"
9027   },
9028   {
9029     TYPE_STRING,
9030     &setup.network_server_hostname,             "network_server_hostname"
9031   },
9032   {
9033     TYPE_STRING,
9034     &setup.touch.control_type,                  "touch.control_type"
9035   },
9036   {
9037     TYPE_INTEGER,
9038     &setup.touch.move_distance,                 "touch.move_distance"
9039   },
9040   {
9041     TYPE_INTEGER,
9042     &setup.touch.drop_distance,                 "touch.drop_distance"
9043   },
9044   {
9045     TYPE_INTEGER,
9046     &setup.touch.transparency,                  "touch.transparency"
9047   },
9048   {
9049     TYPE_INTEGER,
9050     &setup.touch.draw_outlined,                 "touch.draw_outlined"
9051   },
9052   {
9053     TYPE_INTEGER,
9054     &setup.touch.draw_pressed,                  "touch.draw_pressed"
9055   },
9056   {
9057     TYPE_INTEGER,
9058     &setup.touch.grid_xsize[0],                 "touch.virtual_buttons.0.xsize"
9059   },
9060   {
9061     TYPE_INTEGER,
9062     &setup.touch.grid_ysize[0],                 "touch.virtual_buttons.0.ysize"
9063   },
9064   {
9065     TYPE_INTEGER,
9066     &setup.touch.grid_xsize[1],                 "touch.virtual_buttons.1.xsize"
9067   },
9068   {
9069     TYPE_INTEGER,
9070     &setup.touch.grid_ysize[1],                 "touch.virtual_buttons.1.ysize"
9071   },
9072 };
9073
9074 static struct TokenInfo auto_setup_tokens[] =
9075 {
9076   {
9077     TYPE_INTEGER,
9078     &setup.auto_setup.editor_zoom_tilesize,     "editor.zoom_tilesize"
9079   },
9080 };
9081
9082 static struct TokenInfo editor_setup_tokens[] =
9083 {
9084   {
9085     TYPE_SWITCH,
9086     &setup.editor.el_classic,                   "editor.el_classic"
9087   },
9088   {
9089     TYPE_SWITCH,
9090     &setup.editor.el_custom,                    "editor.el_custom"
9091   },
9092   {
9093     TYPE_SWITCH,
9094     &setup.editor.el_user_defined,              "editor.el_user_defined"
9095   },
9096   {
9097     TYPE_SWITCH,
9098     &setup.editor.el_dynamic,                   "editor.el_dynamic"
9099   },
9100   {
9101     TYPE_SWITCH,
9102     &setup.editor.el_headlines,                 "editor.el_headlines"
9103   },
9104   {
9105     TYPE_SWITCH,
9106     &setup.editor.show_element_token,           "editor.show_element_token"
9107   },
9108   {
9109     TYPE_SWITCH,
9110     &setup.editor.show_read_only_warning,       "editor.show_read_only_warning"
9111   },
9112 };
9113
9114 static struct TokenInfo editor_cascade_setup_tokens[] =
9115 {
9116   {
9117     TYPE_SWITCH,
9118     &setup.editor_cascade.el_bd,                "editor.cascade.el_bd"
9119   },
9120   {
9121     TYPE_SWITCH,
9122     &setup.editor_cascade.el_em,                "editor.cascade.el_em"
9123   },
9124   {
9125     TYPE_SWITCH,
9126     &setup.editor_cascade.el_emc,               "editor.cascade.el_emc"
9127   },
9128   {
9129     TYPE_SWITCH,
9130     &setup.editor_cascade.el_rnd,               "editor.cascade.el_rnd"
9131   },
9132   {
9133     TYPE_SWITCH,
9134     &setup.editor_cascade.el_sb,                "editor.cascade.el_sb"
9135   },
9136   {
9137     TYPE_SWITCH,
9138     &setup.editor_cascade.el_sp,                "editor.cascade.el_sp"
9139   },
9140   {
9141     TYPE_SWITCH,
9142     &setup.editor_cascade.el_dc,                "editor.cascade.el_dc"
9143   },
9144   {
9145     TYPE_SWITCH,
9146     &setup.editor_cascade.el_dx,                "editor.cascade.el_dx"
9147   },
9148   {
9149     TYPE_SWITCH,
9150     &setup.editor_cascade.el_mm,                "editor.cascade.el_mm"
9151   },
9152   {
9153     TYPE_SWITCH,
9154     &setup.editor_cascade.el_df,                "editor.cascade.el_df"
9155   },
9156   {
9157     TYPE_SWITCH,
9158     &setup.editor_cascade.el_chars,             "editor.cascade.el_chars"
9159   },
9160   {
9161     TYPE_SWITCH,
9162     &setup.editor_cascade.el_steel_chars,       "editor.cascade.el_steel_chars"
9163   },
9164   {
9165     TYPE_SWITCH,
9166     &setup.editor_cascade.el_ce,                "editor.cascade.el_ce"
9167   },
9168   {
9169     TYPE_SWITCH,
9170     &setup.editor_cascade.el_ge,                "editor.cascade.el_ge"
9171   },
9172   {
9173     TYPE_SWITCH,
9174     &setup.editor_cascade.el_ref,               "editor.cascade.el_ref"
9175   },
9176   {
9177     TYPE_SWITCH,
9178     &setup.editor_cascade.el_user,              "editor.cascade.el_user"
9179   },
9180   {
9181     TYPE_SWITCH,
9182     &setup.editor_cascade.el_dynamic,           "editor.cascade.el_dynamic"
9183   },
9184 };
9185
9186 static struct TokenInfo shortcut_setup_tokens[] =
9187 {
9188   {
9189     TYPE_KEY_X11,
9190     &setup.shortcut.save_game,                  "shortcut.save_game"
9191   },
9192   {
9193     TYPE_KEY_X11,
9194     &setup.shortcut.load_game,                  "shortcut.load_game"
9195   },
9196   {
9197     TYPE_KEY_X11,
9198     &setup.shortcut.toggle_pause,               "shortcut.toggle_pause"
9199   },
9200   {
9201     TYPE_KEY_X11,
9202     &setup.shortcut.focus_player[0],            "shortcut.focus_player_1"
9203   },
9204   {
9205     TYPE_KEY_X11,
9206     &setup.shortcut.focus_player[1],            "shortcut.focus_player_2"
9207   },
9208   {
9209     TYPE_KEY_X11,
9210     &setup.shortcut.focus_player[2],            "shortcut.focus_player_3"
9211   },
9212   {
9213     TYPE_KEY_X11,
9214     &setup.shortcut.focus_player[3],            "shortcut.focus_player_4"
9215   },
9216   {
9217     TYPE_KEY_X11,
9218     &setup.shortcut.focus_player_all,           "shortcut.focus_player_all"
9219   },
9220   {
9221     TYPE_KEY_X11,
9222     &setup.shortcut.tape_eject,                 "shortcut.tape_eject"
9223   },
9224   {
9225     TYPE_KEY_X11,
9226     &setup.shortcut.tape_extra,                 "shortcut.tape_extra"
9227   },
9228   {
9229     TYPE_KEY_X11,
9230     &setup.shortcut.tape_stop,                  "shortcut.tape_stop"
9231   },
9232   {
9233     TYPE_KEY_X11,
9234     &setup.shortcut.tape_pause,                 "shortcut.tape_pause"
9235   },
9236   {
9237     TYPE_KEY_X11,
9238     &setup.shortcut.tape_record,                "shortcut.tape_record"
9239   },
9240   {
9241     TYPE_KEY_X11,
9242     &setup.shortcut.tape_play,                  "shortcut.tape_play"
9243   },
9244   {
9245     TYPE_KEY_X11,
9246     &setup.shortcut.sound_simple,               "shortcut.sound_simple"
9247   },
9248   {
9249     TYPE_KEY_X11,
9250     &setup.shortcut.sound_loops,                "shortcut.sound_loops"
9251   },
9252   {
9253     TYPE_KEY_X11,
9254     &setup.shortcut.sound_music,                "shortcut.sound_music"
9255   },
9256   {
9257     TYPE_KEY_X11,
9258     &setup.shortcut.snap_left,                  "shortcut.snap_left"
9259   },
9260   {
9261     TYPE_KEY_X11,
9262     &setup.shortcut.snap_right,                 "shortcut.snap_right"
9263   },
9264   {
9265     TYPE_KEY_X11,
9266     &setup.shortcut.snap_up,                    "shortcut.snap_up"
9267   },
9268   {
9269     TYPE_KEY_X11,
9270     &setup.shortcut.snap_down,                  "shortcut.snap_down"
9271   },
9272 };
9273
9274 static struct SetupInputInfo setup_input;
9275 static struct TokenInfo player_setup_tokens[] =
9276 {
9277   {
9278     TYPE_BOOLEAN,
9279     &setup_input.use_joystick,                  ".use_joystick"
9280   },
9281   {
9282     TYPE_STRING,
9283     &setup_input.joy.device_name,               ".joy.device_name"
9284   },
9285   {
9286     TYPE_INTEGER,
9287     &setup_input.joy.xleft,                     ".joy.xleft"
9288   },
9289   {
9290     TYPE_INTEGER,
9291     &setup_input.joy.xmiddle,                   ".joy.xmiddle"
9292   },
9293   {
9294     TYPE_INTEGER,
9295     &setup_input.joy.xright,                    ".joy.xright"
9296   },
9297   {
9298     TYPE_INTEGER,
9299     &setup_input.joy.yupper,                    ".joy.yupper"
9300   },
9301   {
9302     TYPE_INTEGER,
9303     &setup_input.joy.ymiddle,                   ".joy.ymiddle"
9304   },
9305   {
9306     TYPE_INTEGER,
9307     &setup_input.joy.ylower,                    ".joy.ylower"
9308   },
9309   {
9310     TYPE_INTEGER,
9311     &setup_input.joy.snap,                      ".joy.snap_field"
9312   },
9313   {
9314     TYPE_INTEGER,
9315     &setup_input.joy.drop,                      ".joy.place_bomb"
9316   },
9317   {
9318     TYPE_KEY_X11,
9319     &setup_input.key.left,                      ".key.move_left"
9320   },
9321   {
9322     TYPE_KEY_X11,
9323     &setup_input.key.right,                     ".key.move_right"
9324   },
9325   {
9326     TYPE_KEY_X11,
9327     &setup_input.key.up,                        ".key.move_up"
9328   },
9329   {
9330     TYPE_KEY_X11,
9331     &setup_input.key.down,                      ".key.move_down"
9332   },
9333   {
9334     TYPE_KEY_X11,
9335     &setup_input.key.snap,                      ".key.snap_field"
9336   },
9337   {
9338     TYPE_KEY_X11,
9339     &setup_input.key.drop,                      ".key.place_bomb"
9340   },
9341 };
9342
9343 static struct TokenInfo system_setup_tokens[] =
9344 {
9345   {
9346     TYPE_STRING,
9347     &setup.system.sdl_renderdriver,             "system.sdl_renderdriver"
9348   },
9349   {
9350     TYPE_STRING,
9351     &setup.system.sdl_videodriver,              "system.sdl_videodriver"
9352   },
9353   {
9354     TYPE_STRING,
9355     &setup.system.sdl_audiodriver,              "system.sdl_audiodriver"
9356   },
9357   {
9358     TYPE_INTEGER,
9359     &setup.system.audio_fragment_size,          "system.audio_fragment_size"
9360   },
9361 };
9362
9363 static struct TokenInfo internal_setup_tokens[] =
9364 {
9365   {
9366     TYPE_STRING,
9367     &setup.internal.program_title,              "program_title"
9368   },
9369   {
9370     TYPE_STRING,
9371     &setup.internal.program_version,            "program_version"
9372   },
9373   {
9374     TYPE_STRING,
9375     &setup.internal.program_author,             "program_author"
9376   },
9377   {
9378     TYPE_STRING,
9379     &setup.internal.program_email,              "program_email"
9380   },
9381   {
9382     TYPE_STRING,
9383     &setup.internal.program_website,            "program_website"
9384   },
9385   {
9386     TYPE_STRING,
9387     &setup.internal.program_copyright,          "program_copyright"
9388   },
9389   {
9390     TYPE_STRING,
9391     &setup.internal.program_company,            "program_company"
9392   },
9393   {
9394     TYPE_STRING,
9395     &setup.internal.program_icon_file,          "program_icon_file"
9396   },
9397   {
9398     TYPE_STRING,
9399     &setup.internal.default_graphics_set,       "default_graphics_set"
9400   },
9401   {
9402     TYPE_STRING,
9403     &setup.internal.default_sounds_set,         "default_sounds_set"
9404   },
9405   {
9406     TYPE_STRING,
9407     &setup.internal.default_music_set,          "default_music_set"
9408   },
9409   {
9410     TYPE_STRING,
9411     &setup.internal.fallback_graphics_file,     "fallback_graphics_file"
9412   },
9413   {
9414     TYPE_STRING,
9415     &setup.internal.fallback_sounds_file,       "fallback_sounds_file"
9416   },
9417   {
9418     TYPE_STRING,
9419     &setup.internal.fallback_music_file,        "fallback_music_file"
9420   },
9421   {
9422     TYPE_STRING,
9423     &setup.internal.default_level_series,       "default_level_series"
9424   },
9425   {
9426     TYPE_INTEGER,
9427     &setup.internal.default_window_width,       "default_window_width"
9428   },
9429   {
9430     TYPE_INTEGER,
9431     &setup.internal.default_window_height,      "default_window_height"
9432   },
9433   {
9434     TYPE_BOOLEAN,
9435     &setup.internal.choose_from_top_leveldir,   "choose_from_top_leveldir"
9436   },
9437   {
9438     TYPE_BOOLEAN,
9439     &setup.internal.show_scaling_in_title,      "show_scaling_in_title"
9440   },
9441   {
9442     TYPE_BOOLEAN,
9443     &setup.internal.create_user_levelset,       "create_user_levelset"
9444   },
9445   {
9446     TYPE_BOOLEAN,
9447     &setup.internal.menu_game,                  "menu_game"
9448   },
9449   {
9450     TYPE_BOOLEAN,
9451     &setup.internal.menu_editor,                "menu_editor"
9452   },
9453   {
9454     TYPE_BOOLEAN,
9455     &setup.internal.menu_graphics,              "menu_graphics"
9456   },
9457   {
9458     TYPE_BOOLEAN,
9459     &setup.internal.menu_sound,                 "menu_sound"
9460   },
9461   {
9462     TYPE_BOOLEAN,
9463     &setup.internal.menu_artwork,               "menu_artwork"
9464   },
9465   {
9466     TYPE_BOOLEAN,
9467     &setup.internal.menu_input,                 "menu_input"
9468   },
9469   {
9470     TYPE_BOOLEAN,
9471     &setup.internal.menu_touch,                 "menu_touch"
9472   },
9473   {
9474     TYPE_BOOLEAN,
9475     &setup.internal.menu_shortcuts,             "menu_shortcuts"
9476   },
9477   {
9478     TYPE_BOOLEAN,
9479     &setup.internal.menu_exit,                  "menu_exit"
9480   },
9481   {
9482     TYPE_BOOLEAN,
9483     &setup.internal.menu_save_and_exit,         "menu_save_and_exit"
9484   },
9485 };
9486
9487 static struct TokenInfo debug_setup_tokens[] =
9488 {
9489   {
9490     TYPE_INTEGER,
9491     &setup.debug.frame_delay[0],                "debug.frame_delay_0"
9492   },
9493   {
9494     TYPE_INTEGER,
9495     &setup.debug.frame_delay[1],                "debug.frame_delay_1"
9496   },
9497   {
9498     TYPE_INTEGER,
9499     &setup.debug.frame_delay[2],                "debug.frame_delay_2"
9500   },
9501   {
9502     TYPE_INTEGER,
9503     &setup.debug.frame_delay[3],                "debug.frame_delay_3"
9504   },
9505   {
9506     TYPE_INTEGER,
9507     &setup.debug.frame_delay[4],                "debug.frame_delay_4"
9508   },
9509   {
9510     TYPE_INTEGER,
9511     &setup.debug.frame_delay[5],                "debug.frame_delay_5"
9512   },
9513   {
9514     TYPE_INTEGER,
9515     &setup.debug.frame_delay[6],                "debug.frame_delay_6"
9516   },
9517   {
9518     TYPE_INTEGER,
9519     &setup.debug.frame_delay[7],                "debug.frame_delay_7"
9520   },
9521   {
9522     TYPE_INTEGER,
9523     &setup.debug.frame_delay[8],                "debug.frame_delay_8"
9524   },
9525   {
9526     TYPE_INTEGER,
9527     &setup.debug.frame_delay[9],                "debug.frame_delay_9"
9528   },
9529   {
9530     TYPE_KEY_X11,
9531     &setup.debug.frame_delay_key[0],            "debug.key.frame_delay_0"
9532   },
9533   {
9534     TYPE_KEY_X11,
9535     &setup.debug.frame_delay_key[1],            "debug.key.frame_delay_1"
9536   },
9537   {
9538     TYPE_KEY_X11,
9539     &setup.debug.frame_delay_key[2],            "debug.key.frame_delay_2"
9540   },
9541   {
9542     TYPE_KEY_X11,
9543     &setup.debug.frame_delay_key[3],            "debug.key.frame_delay_3"
9544   },
9545   {
9546     TYPE_KEY_X11,
9547     &setup.debug.frame_delay_key[4],            "debug.key.frame_delay_4"
9548   },
9549   {
9550     TYPE_KEY_X11,
9551     &setup.debug.frame_delay_key[5],            "debug.key.frame_delay_5"
9552   },
9553   {
9554     TYPE_KEY_X11,
9555     &setup.debug.frame_delay_key[6],            "debug.key.frame_delay_6"
9556   },
9557   {
9558     TYPE_KEY_X11,
9559     &setup.debug.frame_delay_key[7],            "debug.key.frame_delay_7"
9560   },
9561   {
9562     TYPE_KEY_X11,
9563     &setup.debug.frame_delay_key[8],            "debug.key.frame_delay_8"
9564   },
9565   {
9566     TYPE_KEY_X11,
9567     &setup.debug.frame_delay_key[9],            "debug.key.frame_delay_9"
9568   },
9569   {
9570     TYPE_BOOLEAN,
9571     &setup.debug.frame_delay_use_mod_key,       "debug.frame_delay.use_mod_key"},
9572   {
9573     TYPE_BOOLEAN,
9574     &setup.debug.frame_delay_game_only,         "debug.frame_delay.game_only"
9575   },
9576   {
9577     TYPE_BOOLEAN,
9578     &setup.debug.show_frames_per_second,        "debug.show_frames_per_second"
9579   },
9580   {
9581     TYPE_SWITCH3,
9582     &setup.debug.xsn_mode,                      "debug.xsn_mode"
9583   },
9584   {
9585     TYPE_INTEGER,
9586     &setup.debug.xsn_percent,                   "debug.xsn_percent"
9587   },
9588 };
9589
9590 static struct TokenInfo options_setup_tokens[] =
9591 {
9592   {
9593     TYPE_BOOLEAN,
9594     &setup.options.verbose,                     "options.verbose"
9595   },
9596 };
9597
9598 static void setSetupInfoToDefaults(struct SetupInfo *si)
9599 {
9600   int i;
9601
9602   si->player_name = getStringCopy(getDefaultUserName(user.nr));
9603
9604   si->multiple_users = TRUE;
9605
9606   si->sound = TRUE;
9607   si->sound_loops = TRUE;
9608   si->sound_music = TRUE;
9609   si->sound_simple = TRUE;
9610   si->toons = TRUE;
9611   si->scroll_delay = TRUE;
9612   si->forced_scroll_delay = FALSE;
9613   si->scroll_delay_value = STD_SCROLL_DELAY;
9614   si->engine_snapshot_mode = getStringCopy(STR_SNAPSHOT_MODE_DEFAULT);
9615   si->engine_snapshot_memory = SNAPSHOT_MEMORY_DEFAULT;
9616   si->fade_screens = TRUE;
9617   si->autorecord = TRUE;
9618   si->show_titlescreen = TRUE;
9619   si->quick_doors = FALSE;
9620   si->team_mode = FALSE;
9621   si->handicap = TRUE;
9622   si->skip_levels = TRUE;
9623   si->increment_levels = TRUE;
9624   si->auto_play_next_level = TRUE;
9625   si->count_score_after_game = TRUE;
9626   si->show_scores_after_game = TRUE;
9627   si->time_limit = TRUE;
9628   si->fullscreen = FALSE;
9629   si->window_scaling_percent = STD_WINDOW_SCALING_PERCENT;
9630   si->window_scaling_quality = getStringCopy(SCALING_QUALITY_DEFAULT);
9631   si->screen_rendering_mode = getStringCopy(STR_SPECIAL_RENDERING_DEFAULT);
9632   si->vsync_mode = getStringCopy(STR_VSYNC_MODE_DEFAULT);
9633   si->ask_on_escape = TRUE;
9634   si->ask_on_escape_editor = TRUE;
9635   si->ask_on_game_over = TRUE;
9636   si->ask_on_quit_game = TRUE;
9637   si->ask_on_quit_program = TRUE;
9638   si->quick_switch = FALSE;
9639   si->input_on_focus = FALSE;
9640   si->prefer_aga_graphics = TRUE;
9641   si->prefer_lowpass_sounds = FALSE;
9642   si->prefer_extra_panel_items = TRUE;
9643   si->game_speed_extended = FALSE;
9644   si->game_frame_delay = GAME_FRAME_DELAY;
9645   si->sp_show_border_elements = FALSE;
9646   si->small_game_graphics = FALSE;
9647   si->show_snapshot_buttons = FALSE;
9648
9649   si->graphics_set = getStringCopy(GFX_CLASSIC_SUBDIR);
9650   si->sounds_set   = getStringCopy(SND_CLASSIC_SUBDIR);
9651   si->music_set    = getStringCopy(MUS_CLASSIC_SUBDIR);
9652
9653   si->override_level_graphics = FALSE;
9654   si->override_level_sounds = FALSE;
9655   si->override_level_music = FALSE;
9656
9657   si->volume_simple = 100;              // percent
9658   si->volume_loops = 100;               // percent
9659   si->volume_music = 100;               // percent
9660
9661   si->network_mode = FALSE;
9662   si->network_player_nr = 0;            // first player
9663   si->network_server_hostname = getStringCopy(STR_NETWORK_AUTO_DETECT);
9664
9665   si->touch.control_type = getStringCopy(TOUCH_CONTROL_DEFAULT);
9666   si->touch.move_distance = TOUCH_MOVE_DISTANCE_DEFAULT;        // percent
9667   si->touch.drop_distance = TOUCH_DROP_DISTANCE_DEFAULT;        // percent
9668   si->touch.transparency = TOUCH_TRANSPARENCY_DEFAULT;          // percent
9669   si->touch.draw_outlined = TRUE;
9670   si->touch.draw_pressed = TRUE;
9671
9672   for (i = 0; i < 2; i++)
9673   {
9674     char *default_grid_button[6][2] =
9675     {
9676       { "      ", "  ^^  " },
9677       { "      ", "  ^^  " },
9678       { "      ", "<<  >>" },
9679       { "      ", "<<  >>" },
9680       { "111222", "  vv  " },
9681       { "111222", "  vv  " }
9682     };
9683     int grid_xsize = DEFAULT_GRID_XSIZE(i);
9684     int grid_ysize = DEFAULT_GRID_YSIZE(i);
9685     int min_xsize = MIN(6, grid_xsize);
9686     int min_ysize = MIN(6, grid_ysize);
9687     int startx = grid_xsize - min_xsize;
9688     int starty = grid_ysize - min_ysize;
9689     int x, y;
9690
9691     // virtual buttons grid can only be set to defaults if video is initialized
9692     // (this will be repeated if virtual buttons are not loaded from setup file)
9693     if (video.initialized)
9694     {
9695       si->touch.grid_xsize[i] = grid_xsize;
9696       si->touch.grid_ysize[i] = grid_ysize;
9697     }
9698     else
9699     {
9700       si->touch.grid_xsize[i] = -1;
9701       si->touch.grid_ysize[i] = -1;
9702     }
9703
9704     for (x = 0; x < MAX_GRID_XSIZE; x++)
9705       for (y = 0; y < MAX_GRID_YSIZE; y++)
9706         si->touch.grid_button[i][x][y] = CHAR_GRID_BUTTON_NONE;
9707
9708     for (x = 0; x < min_xsize; x++)
9709       for (y = 0; y < min_ysize; y++)
9710         si->touch.grid_button[i][x][starty + y] =
9711           default_grid_button[y][0][x];
9712
9713     for (x = 0; x < min_xsize; x++)
9714       for (y = 0; y < min_ysize; y++)
9715         si->touch.grid_button[i][startx + x][starty + y] =
9716           default_grid_button[y][1][x];
9717   }
9718
9719   si->touch.grid_initialized            = video.initialized;
9720
9721   si->editor.el_boulderdash             = TRUE;
9722   si->editor.el_emerald_mine            = TRUE;
9723   si->editor.el_emerald_mine_club       = TRUE;
9724   si->editor.el_more                    = TRUE;
9725   si->editor.el_sokoban                 = TRUE;
9726   si->editor.el_supaplex                = TRUE;
9727   si->editor.el_diamond_caves           = TRUE;
9728   si->editor.el_dx_boulderdash          = TRUE;
9729
9730   si->editor.el_mirror_magic            = TRUE;
9731   si->editor.el_deflektor               = TRUE;
9732
9733   si->editor.el_chars                   = TRUE;
9734   si->editor.el_steel_chars             = TRUE;
9735
9736   si->editor.el_classic                 = TRUE;
9737   si->editor.el_custom                  = TRUE;
9738
9739   si->editor.el_user_defined            = FALSE;
9740   si->editor.el_dynamic                 = TRUE;
9741
9742   si->editor.el_headlines               = TRUE;
9743
9744   si->editor.show_element_token         = FALSE;
9745
9746   si->editor.show_read_only_warning     = TRUE;
9747
9748   si->editor.use_template_for_new_levels = TRUE;
9749
9750   si->shortcut.save_game        = DEFAULT_KEY_SAVE_GAME;
9751   si->shortcut.load_game        = DEFAULT_KEY_LOAD_GAME;
9752   si->shortcut.toggle_pause     = DEFAULT_KEY_TOGGLE_PAUSE;
9753
9754   si->shortcut.focus_player[0]  = DEFAULT_KEY_FOCUS_PLAYER_1;
9755   si->shortcut.focus_player[1]  = DEFAULT_KEY_FOCUS_PLAYER_2;
9756   si->shortcut.focus_player[2]  = DEFAULT_KEY_FOCUS_PLAYER_3;
9757   si->shortcut.focus_player[3]  = DEFAULT_KEY_FOCUS_PLAYER_4;
9758   si->shortcut.focus_player_all = DEFAULT_KEY_FOCUS_PLAYER_ALL;
9759
9760   si->shortcut.tape_eject       = DEFAULT_KEY_TAPE_EJECT;
9761   si->shortcut.tape_extra       = DEFAULT_KEY_TAPE_EXTRA;
9762   si->shortcut.tape_stop        = DEFAULT_KEY_TAPE_STOP;
9763   si->shortcut.tape_pause       = DEFAULT_KEY_TAPE_PAUSE;
9764   si->shortcut.tape_record      = DEFAULT_KEY_TAPE_RECORD;
9765   si->shortcut.tape_play        = DEFAULT_KEY_TAPE_PLAY;
9766
9767   si->shortcut.sound_simple     = DEFAULT_KEY_SOUND_SIMPLE;
9768   si->shortcut.sound_loops      = DEFAULT_KEY_SOUND_LOOPS;
9769   si->shortcut.sound_music      = DEFAULT_KEY_SOUND_MUSIC;
9770
9771   si->shortcut.snap_left        = DEFAULT_KEY_SNAP_LEFT;
9772   si->shortcut.snap_right       = DEFAULT_KEY_SNAP_RIGHT;
9773   si->shortcut.snap_up          = DEFAULT_KEY_SNAP_UP;
9774   si->shortcut.snap_down        = DEFAULT_KEY_SNAP_DOWN;
9775
9776   for (i = 0; i < MAX_PLAYERS; i++)
9777   {
9778     si->input[i].use_joystick = FALSE;
9779     si->input[i].joy.device_name=getStringCopy(getDeviceNameFromJoystickNr(i));
9780     si->input[i].joy.xleft   = JOYSTICK_XLEFT;
9781     si->input[i].joy.xmiddle = JOYSTICK_XMIDDLE;
9782     si->input[i].joy.xright  = JOYSTICK_XRIGHT;
9783     si->input[i].joy.yupper  = JOYSTICK_YUPPER;
9784     si->input[i].joy.ymiddle = JOYSTICK_YMIDDLE;
9785     si->input[i].joy.ylower  = JOYSTICK_YLOWER;
9786     si->input[i].joy.snap  = (i == 0 ? JOY_BUTTON_1 : 0);
9787     si->input[i].joy.drop  = (i == 0 ? JOY_BUTTON_2 : 0);
9788     si->input[i].key.left  = (i == 0 ? DEFAULT_KEY_LEFT  : KSYM_UNDEFINED);
9789     si->input[i].key.right = (i == 0 ? DEFAULT_KEY_RIGHT : KSYM_UNDEFINED);
9790     si->input[i].key.up    = (i == 0 ? DEFAULT_KEY_UP    : KSYM_UNDEFINED);
9791     si->input[i].key.down  = (i == 0 ? DEFAULT_KEY_DOWN  : KSYM_UNDEFINED);
9792     si->input[i].key.snap  = (i == 0 ? DEFAULT_KEY_SNAP  : KSYM_UNDEFINED);
9793     si->input[i].key.drop  = (i == 0 ? DEFAULT_KEY_DROP  : KSYM_UNDEFINED);
9794   }
9795
9796   si->system.sdl_renderdriver = getStringCopy(ARG_DEFAULT);
9797   si->system.sdl_videodriver = getStringCopy(ARG_DEFAULT);
9798   si->system.sdl_audiodriver = getStringCopy(ARG_DEFAULT);
9799   si->system.audio_fragment_size = DEFAULT_AUDIO_FRAGMENT_SIZE;
9800
9801   si->internal.program_title     = getStringCopy(PROGRAM_TITLE_STRING);
9802   si->internal.program_version   = getStringCopy(getProgramRealVersionString());
9803   si->internal.program_author    = getStringCopy(PROGRAM_AUTHOR_STRING);
9804   si->internal.program_email     = getStringCopy(PROGRAM_EMAIL_STRING);
9805   si->internal.program_website   = getStringCopy(PROGRAM_WEBSITE_STRING);
9806   si->internal.program_copyright = getStringCopy(PROGRAM_COPYRIGHT_STRING);
9807   si->internal.program_company   = getStringCopy(PROGRAM_COMPANY_STRING);
9808
9809   si->internal.program_icon_file = getStringCopy(PROGRAM_ICON_FILENAME);
9810
9811   si->internal.default_graphics_set = getStringCopy(GFX_CLASSIC_SUBDIR);
9812   si->internal.default_sounds_set   = getStringCopy(SND_CLASSIC_SUBDIR);
9813   si->internal.default_music_set    = getStringCopy(MUS_CLASSIC_SUBDIR);
9814
9815   si->internal.fallback_graphics_file = getStringCopy(UNDEFINED_FILENAME);
9816   si->internal.fallback_sounds_file   = getStringCopy(UNDEFINED_FILENAME);
9817   si->internal.fallback_music_file    = getStringCopy(UNDEFINED_FILENAME);
9818
9819   si->internal.default_level_series = getStringCopy(UNDEFINED_LEVELSET);
9820   si->internal.choose_from_top_leveldir = FALSE;
9821   si->internal.show_scaling_in_title = TRUE;
9822   si->internal.create_user_levelset = TRUE;
9823
9824   si->internal.default_window_width  = WIN_XSIZE_DEFAULT;
9825   si->internal.default_window_height = WIN_YSIZE_DEFAULT;
9826
9827   si->debug.frame_delay[0] = DEFAULT_FRAME_DELAY_0;
9828   si->debug.frame_delay[1] = DEFAULT_FRAME_DELAY_1;
9829   si->debug.frame_delay[2] = DEFAULT_FRAME_DELAY_2;
9830   si->debug.frame_delay[3] = DEFAULT_FRAME_DELAY_3;
9831   si->debug.frame_delay[4] = DEFAULT_FRAME_DELAY_4;
9832   si->debug.frame_delay[5] = DEFAULT_FRAME_DELAY_5;
9833   si->debug.frame_delay[6] = DEFAULT_FRAME_DELAY_6;
9834   si->debug.frame_delay[7] = DEFAULT_FRAME_DELAY_7;
9835   si->debug.frame_delay[8] = DEFAULT_FRAME_DELAY_8;
9836   si->debug.frame_delay[9] = DEFAULT_FRAME_DELAY_9;
9837
9838   si->debug.frame_delay_key[0] = DEFAULT_KEY_FRAME_DELAY_0;
9839   si->debug.frame_delay_key[1] = DEFAULT_KEY_FRAME_DELAY_1;
9840   si->debug.frame_delay_key[2] = DEFAULT_KEY_FRAME_DELAY_2;
9841   si->debug.frame_delay_key[3] = DEFAULT_KEY_FRAME_DELAY_3;
9842   si->debug.frame_delay_key[4] = DEFAULT_KEY_FRAME_DELAY_4;
9843   si->debug.frame_delay_key[5] = DEFAULT_KEY_FRAME_DELAY_5;
9844   si->debug.frame_delay_key[6] = DEFAULT_KEY_FRAME_DELAY_6;
9845   si->debug.frame_delay_key[7] = DEFAULT_KEY_FRAME_DELAY_7;
9846   si->debug.frame_delay_key[8] = DEFAULT_KEY_FRAME_DELAY_8;
9847   si->debug.frame_delay_key[9] = DEFAULT_KEY_FRAME_DELAY_9;
9848
9849   si->debug.frame_delay_use_mod_key = DEFAULT_FRAME_DELAY_USE_MOD_KEY;
9850   si->debug.frame_delay_game_only   = DEFAULT_FRAME_DELAY_GAME_ONLY;
9851
9852   si->debug.show_frames_per_second = FALSE;
9853
9854   si->debug.xsn_mode = AUTO;
9855   si->debug.xsn_percent = 0;
9856
9857   si->options.verbose = FALSE;
9858
9859 #if defined(PLATFORM_ANDROID)
9860   si->fullscreen = TRUE;
9861 #endif
9862
9863   setHideSetupEntry(&setup.debug.xsn_mode);
9864 }
9865
9866 static void setSetupInfoToDefaults_AutoSetup(struct SetupInfo *si)
9867 {
9868   si->auto_setup.editor_zoom_tilesize = MINI_TILESIZE;
9869 }
9870
9871 static void setSetupInfoToDefaults_EditorCascade(struct SetupInfo *si)
9872 {
9873   si->editor_cascade.el_bd              = TRUE;
9874   si->editor_cascade.el_em              = TRUE;
9875   si->editor_cascade.el_emc             = TRUE;
9876   si->editor_cascade.el_rnd             = TRUE;
9877   si->editor_cascade.el_sb              = TRUE;
9878   si->editor_cascade.el_sp              = TRUE;
9879   si->editor_cascade.el_dc              = TRUE;
9880   si->editor_cascade.el_dx              = TRUE;
9881
9882   si->editor_cascade.el_mm              = TRUE;
9883   si->editor_cascade.el_df              = TRUE;
9884
9885   si->editor_cascade.el_chars           = FALSE;
9886   si->editor_cascade.el_steel_chars     = FALSE;
9887   si->editor_cascade.el_ce              = FALSE;
9888   si->editor_cascade.el_ge              = FALSE;
9889   si->editor_cascade.el_ref             = FALSE;
9890   si->editor_cascade.el_user            = FALSE;
9891   si->editor_cascade.el_dynamic         = FALSE;
9892 }
9893
9894 #define MAX_HIDE_SETUP_TOKEN_SIZE               20
9895
9896 static char *getHideSetupToken(void *setup_value)
9897 {
9898   static char hide_setup_token[MAX_HIDE_SETUP_TOKEN_SIZE];
9899
9900   if (setup_value != NULL)
9901     snprintf(hide_setup_token, MAX_HIDE_SETUP_TOKEN_SIZE, "%p", setup_value);
9902
9903   return hide_setup_token;
9904 }
9905
9906 void setHideSetupEntry(void *setup_value)
9907 {
9908   char *hide_setup_token = getHideSetupToken(setup_value);
9909
9910   if (hide_setup_hash == NULL)
9911     hide_setup_hash = newSetupFileHash();
9912
9913   if (setup_value != NULL)
9914     setHashEntry(hide_setup_hash, hide_setup_token, "");
9915 }
9916
9917 void removeHideSetupEntry(void *setup_value)
9918 {
9919   char *hide_setup_token = getHideSetupToken(setup_value);
9920
9921   if (setup_value != NULL)
9922     removeHashEntry(hide_setup_hash, hide_setup_token);
9923 }
9924
9925 boolean hideSetupEntry(void *setup_value)
9926 {
9927   char *hide_setup_token = getHideSetupToken(setup_value);
9928
9929   return (setup_value != NULL &&
9930           getHashEntry(hide_setup_hash, hide_setup_token) != NULL);
9931 }
9932
9933 static void setSetupInfoFromTokenText(SetupFileHash *setup_file_hash,
9934                                       struct TokenInfo *token_info,
9935                                       int token_nr, char *token_text)
9936 {
9937   char *token_hide_text = getStringCat2(token_text, ".hide");
9938   char *token_hide_value = getHashEntry(setup_file_hash, token_hide_text);
9939
9940   // set the value of this setup option in the setup option structure
9941   setSetupInfo(token_info, token_nr, getHashEntry(setup_file_hash, token_text));
9942
9943   // check if this setup option should be hidden in the setup menu
9944   if (token_hide_value != NULL && get_boolean_from_string(token_hide_value))
9945     setHideSetupEntry(token_info[token_nr].value);
9946
9947   free(token_hide_text);
9948 }
9949
9950 static void setSetupInfoFromTokenInfo(SetupFileHash *setup_file_hash,
9951                                       struct TokenInfo *token_info,
9952                                       int token_nr)
9953 {
9954   setSetupInfoFromTokenText(setup_file_hash, token_info, token_nr,
9955                             token_info[token_nr].text);
9956 }
9957
9958 static void decodeSetupFileHash(SetupFileHash *setup_file_hash)
9959 {
9960   int i, pnr;
9961
9962   if (!setup_file_hash)
9963     return;
9964
9965   for (i = 0; i < ARRAY_SIZE(global_setup_tokens); i++)
9966     setSetupInfoFromTokenInfo(setup_file_hash, global_setup_tokens, i);
9967
9968   setup.touch.grid_initialized = TRUE;
9969   for (i = 0; i < 2; i++)
9970   {
9971     int grid_xsize = setup.touch.grid_xsize[i];
9972     int grid_ysize = setup.touch.grid_ysize[i];
9973     int x, y;
9974
9975     // if virtual buttons are not loaded from setup file, repeat initializing
9976     // virtual buttons grid with default values later when video is initialized
9977     if (grid_xsize == -1 ||
9978         grid_ysize == -1)
9979     {
9980       setup.touch.grid_initialized = FALSE;
9981
9982       continue;
9983     }
9984
9985     for (y = 0; y < grid_ysize; y++)
9986     {
9987       char token_string[MAX_LINE_LEN];
9988
9989       sprintf(token_string, "touch.virtual_buttons.%d.%02d", i, y);
9990
9991       char *value_string = getHashEntry(setup_file_hash, token_string);
9992
9993       if (value_string == NULL)
9994         continue;
9995
9996       for (x = 0; x < grid_xsize; x++)
9997       {
9998         char c = value_string[x];
9999
10000         setup.touch.grid_button[i][x][y] =
10001           (c == '.' ? CHAR_GRID_BUTTON_NONE : c);
10002       }
10003     }
10004   }
10005
10006   for (i = 0; i < ARRAY_SIZE(editor_setup_tokens); i++)
10007     setSetupInfoFromTokenInfo(setup_file_hash, editor_setup_tokens, i);
10008
10009   for (i = 0; i < ARRAY_SIZE(shortcut_setup_tokens); i++)
10010     setSetupInfoFromTokenInfo(setup_file_hash, shortcut_setup_tokens, i);
10011
10012   for (pnr = 0; pnr < MAX_PLAYERS; pnr++)
10013   {
10014     char prefix[30];
10015
10016     sprintf(prefix, "%s%d", TOKEN_STR_PLAYER_PREFIX, pnr + 1);
10017
10018     setup_input = setup.input[pnr];
10019     for (i = 0; i < ARRAY_SIZE(player_setup_tokens); i++)
10020     {
10021       char full_token[100];
10022
10023       sprintf(full_token, "%s%s", prefix, player_setup_tokens[i].text);
10024       setSetupInfoFromTokenText(setup_file_hash, player_setup_tokens, i,
10025                                 full_token);
10026     }
10027     setup.input[pnr] = setup_input;
10028   }
10029
10030   for (i = 0; i < ARRAY_SIZE(system_setup_tokens); i++)
10031     setSetupInfoFromTokenInfo(setup_file_hash, system_setup_tokens, i);
10032
10033   for (i = 0; i < ARRAY_SIZE(internal_setup_tokens); i++)
10034     setSetupInfoFromTokenInfo(setup_file_hash, internal_setup_tokens, i);
10035
10036   for (i = 0; i < ARRAY_SIZE(debug_setup_tokens); i++)
10037     setSetupInfoFromTokenInfo(setup_file_hash, debug_setup_tokens, i);
10038
10039   for (i = 0; i < ARRAY_SIZE(options_setup_tokens); i++)
10040     setSetupInfoFromTokenInfo(setup_file_hash, options_setup_tokens, i);
10041
10042   setHideRelatedSetupEntries();
10043 }
10044
10045 static void decodeSetupFileHash_AutoSetup(SetupFileHash *setup_file_hash)
10046 {
10047   int i;
10048
10049   if (!setup_file_hash)
10050     return;
10051
10052   for (i = 0; i < ARRAY_SIZE(auto_setup_tokens); i++)
10053     setSetupInfo(auto_setup_tokens, i,
10054                  getHashEntry(setup_file_hash,
10055                               auto_setup_tokens[i].text));
10056 }
10057
10058 static void decodeSetupFileHash_EditorCascade(SetupFileHash *setup_file_hash)
10059 {
10060   int i;
10061
10062   if (!setup_file_hash)
10063     return;
10064
10065   for (i = 0; i < ARRAY_SIZE(editor_cascade_setup_tokens); i++)
10066     setSetupInfo(editor_cascade_setup_tokens, i,
10067                  getHashEntry(setup_file_hash,
10068                               editor_cascade_setup_tokens[i].text));
10069 }
10070
10071 void LoadUserNames(void)
10072 {
10073   int last_user_nr = user.nr;
10074   int i;
10075
10076   if (global.user_names != NULL)
10077   {
10078     for (i = 0; i < MAX_PLAYER_NAMES; i++)
10079       checked_free(global.user_names[i]);
10080
10081     checked_free(global.user_names);
10082   }
10083
10084   global.user_names = checked_calloc(MAX_PLAYER_NAMES * sizeof(char *));
10085
10086   for (i = 0; i < MAX_PLAYER_NAMES; i++)
10087   {
10088     user.nr = i;
10089
10090     SetupFileHash *setup_file_hash = loadSetupFileHash(getSetupFilename());
10091
10092     if (setup_file_hash)
10093     {
10094       char *player_name = getHashEntry(setup_file_hash, "player_name");
10095
10096       global.user_names[i] = getFixedUserName(player_name);
10097
10098       freeSetupFileHash(setup_file_hash);
10099     }
10100
10101     if (global.user_names[i] == NULL)
10102       global.user_names[i] = getStringCopy(getDefaultUserName(i));
10103   }
10104
10105   user.nr = last_user_nr;
10106 }
10107
10108 void LoadSetupFromFilename(char *filename)
10109 {
10110   SetupFileHash *setup_file_hash = loadSetupFileHash(filename);
10111
10112   if (setup_file_hash)
10113   {
10114     decodeSetupFileHash(setup_file_hash);
10115
10116     freeSetupFileHash(setup_file_hash);
10117   }
10118   else
10119   {
10120     Debug("setup", "using default setup values");
10121   }
10122 }
10123
10124 static void LoadSetup_SpecialPostProcessing(void)
10125 {
10126   char *player_name_new;
10127
10128   // needed to work around problems with fixed length strings
10129   player_name_new = getFixedUserName(setup.player_name);
10130   free(setup.player_name);
10131   setup.player_name = player_name_new;
10132
10133   // "scroll_delay: on(3) / off(0)" was replaced by scroll delay value
10134   if (setup.scroll_delay == FALSE)
10135   {
10136     setup.scroll_delay_value = MIN_SCROLL_DELAY;
10137     setup.scroll_delay = TRUE;                  // now always "on"
10138   }
10139
10140   // make sure that scroll delay value stays inside valid range
10141   setup.scroll_delay_value =
10142     MIN(MAX(MIN_SCROLL_DELAY, setup.scroll_delay_value), MAX_SCROLL_DELAY);
10143 }
10144
10145 void LoadSetup(void)
10146 {
10147   char *filename;
10148
10149   // always start with reliable default values
10150   setSetupInfoToDefaults(&setup);
10151
10152   // try to load setup values from default setup file
10153   filename = getDefaultSetupFilename();
10154
10155   if (fileExists(filename))
10156     LoadSetupFromFilename(filename);
10157
10158   // try to load setup values from user setup file
10159   filename = getSetupFilename();
10160
10161   LoadSetupFromFilename(filename);
10162
10163   LoadSetup_SpecialPostProcessing();
10164 }
10165
10166 void LoadSetup_AutoSetup(void)
10167 {
10168   char *filename = getPath2(getSetupDir(), AUTOSETUP_FILENAME);
10169   SetupFileHash *setup_file_hash = NULL;
10170
10171   // always start with reliable default values
10172   setSetupInfoToDefaults_AutoSetup(&setup);
10173
10174   setup_file_hash = loadSetupFileHash(filename);
10175
10176   if (setup_file_hash)
10177   {
10178     decodeSetupFileHash_AutoSetup(setup_file_hash);
10179
10180     freeSetupFileHash(setup_file_hash);
10181   }
10182
10183   free(filename);
10184 }
10185
10186 void LoadSetup_EditorCascade(void)
10187 {
10188   char *filename = getPath2(getSetupDir(), EDITORCASCADE_FILENAME);
10189   SetupFileHash *setup_file_hash = NULL;
10190
10191   // always start with reliable default values
10192   setSetupInfoToDefaults_EditorCascade(&setup);
10193
10194   setup_file_hash = loadSetupFileHash(filename);
10195
10196   if (setup_file_hash)
10197   {
10198     decodeSetupFileHash_EditorCascade(setup_file_hash);
10199
10200     freeSetupFileHash(setup_file_hash);
10201   }
10202
10203   free(filename);
10204 }
10205
10206 static void addGameControllerMappingToHash(SetupFileHash *mappings_hash,
10207                                            char *mapping_line)
10208 {
10209   char mapping_guid[MAX_LINE_LEN];
10210   char *mapping_start, *mapping_end;
10211
10212   // get GUID from game controller mapping line: copy complete line
10213   strncpy(mapping_guid, mapping_line, MAX_LINE_LEN - 1);
10214   mapping_guid[MAX_LINE_LEN - 1] = '\0';
10215
10216   // get GUID from game controller mapping line: cut after GUID part
10217   mapping_start = strchr(mapping_guid, ',');
10218   if (mapping_start != NULL)
10219     *mapping_start = '\0';
10220
10221   // cut newline from game controller mapping line
10222   mapping_end = strchr(mapping_line, '\n');
10223   if (mapping_end != NULL)
10224     *mapping_end = '\0';
10225
10226   // add mapping entry to game controller mappings hash
10227   setHashEntry(mappings_hash, mapping_guid, mapping_line);
10228 }
10229
10230 static void LoadSetup_ReadGameControllerMappings(SetupFileHash *mappings_hash,
10231                                                  char *filename)
10232 {
10233   FILE *file;
10234
10235   if (!(file = fopen(filename, MODE_READ)))
10236   {
10237     Warn("cannot read game controller mappings file '%s'", filename);
10238
10239     return;
10240   }
10241
10242   while (!feof(file))
10243   {
10244     char line[MAX_LINE_LEN];
10245
10246     if (!fgets(line, MAX_LINE_LEN, file))
10247       break;
10248
10249     addGameControllerMappingToHash(mappings_hash, line);
10250   }
10251
10252   fclose(file);
10253 }
10254
10255 void SaveSetup(void)
10256 {
10257   char *filename = getSetupFilename();
10258   FILE *file;
10259   int i, pnr;
10260
10261   InitUserDataDirectory();
10262
10263   if (!(file = fopen(filename, MODE_WRITE)))
10264   {
10265     Warn("cannot write setup file '%s'", filename);
10266
10267     return;
10268   }
10269
10270   fprintFileHeader(file, SETUP_FILENAME);
10271
10272   for (i = 0; i < ARRAY_SIZE(global_setup_tokens); i++)
10273   {
10274     // just to make things nicer :)
10275     if (global_setup_tokens[i].value == &setup.multiple_users           ||
10276         global_setup_tokens[i].value == &setup.sound                    ||
10277         global_setup_tokens[i].value == &setup.graphics_set             ||
10278         global_setup_tokens[i].value == &setup.volume_simple            ||
10279         global_setup_tokens[i].value == &setup.network_mode             ||
10280         global_setup_tokens[i].value == &setup.touch.control_type       ||
10281         global_setup_tokens[i].value == &setup.touch.grid_xsize[0]      ||
10282         global_setup_tokens[i].value == &setup.touch.grid_xsize[1])
10283       fprintf(file, "\n");
10284
10285     fprintf(file, "%s\n", getSetupLine(global_setup_tokens, "", i));
10286   }
10287
10288   for (i = 0; i < 2; i++)
10289   {
10290     int grid_xsize = setup.touch.grid_xsize[i];
10291     int grid_ysize = setup.touch.grid_ysize[i];
10292     int x, y;
10293
10294     fprintf(file, "\n");
10295
10296     for (y = 0; y < grid_ysize; y++)
10297     {
10298       char token_string[MAX_LINE_LEN];
10299       char value_string[MAX_LINE_LEN];
10300
10301       sprintf(token_string, "touch.virtual_buttons.%d.%02d", i, y);
10302
10303       for (x = 0; x < grid_xsize; x++)
10304       {
10305         char c = setup.touch.grid_button[i][x][y];
10306
10307         value_string[x] = (c == CHAR_GRID_BUTTON_NONE ? '.' : c);
10308       }
10309
10310       value_string[grid_xsize] = '\0';
10311
10312       fprintf(file, "%s\n", getFormattedSetupEntry(token_string, value_string));
10313     }
10314   }
10315
10316   fprintf(file, "\n");
10317   for (i = 0; i < ARRAY_SIZE(editor_setup_tokens); i++)
10318     fprintf(file, "%s\n", getSetupLine(editor_setup_tokens, "", i));
10319
10320   fprintf(file, "\n");
10321   for (i = 0; i < ARRAY_SIZE(shortcut_setup_tokens); i++)
10322     fprintf(file, "%s\n", getSetupLine(shortcut_setup_tokens, "", i));
10323
10324   for (pnr = 0; pnr < MAX_PLAYERS; pnr++)
10325   {
10326     char prefix[30];
10327
10328     sprintf(prefix, "%s%d", TOKEN_STR_PLAYER_PREFIX, pnr + 1);
10329     fprintf(file, "\n");
10330
10331     setup_input = setup.input[pnr];
10332     for (i = 0; i < ARRAY_SIZE(player_setup_tokens); i++)
10333       fprintf(file, "%s\n", getSetupLine(player_setup_tokens, prefix, i));
10334   }
10335
10336   fprintf(file, "\n");
10337   for (i = 0; i < ARRAY_SIZE(system_setup_tokens); i++)
10338     fprintf(file, "%s\n", getSetupLine(system_setup_tokens, "", i));
10339
10340   // (internal setup values not saved to user setup file)
10341
10342   fprintf(file, "\n");
10343   for (i = 0; i < ARRAY_SIZE(debug_setup_tokens); i++)
10344     if (!strPrefix(debug_setup_tokens[i].text, "debug.xsn_") ||
10345         setup.debug.xsn_mode != AUTO)
10346       fprintf(file, "%s\n", getSetupLine(debug_setup_tokens, "", i));
10347
10348   fprintf(file, "\n");
10349   for (i = 0; i < ARRAY_SIZE(options_setup_tokens); i++)
10350     fprintf(file, "%s\n", getSetupLine(options_setup_tokens, "", i));
10351
10352   fclose(file);
10353
10354   SetFilePermissions(filename, PERMS_PRIVATE);
10355 }
10356
10357 void SaveSetup_AutoSetup(void)
10358 {
10359   char *filename = getPath2(getSetupDir(), AUTOSETUP_FILENAME);
10360   FILE *file;
10361   int i;
10362
10363   InitUserDataDirectory();
10364
10365   if (!(file = fopen(filename, MODE_WRITE)))
10366   {
10367     Warn("cannot write auto setup file '%s'", filename);
10368
10369     free(filename);
10370
10371     return;
10372   }
10373
10374   fprintFileHeader(file, AUTOSETUP_FILENAME);
10375
10376   for (i = 0; i < ARRAY_SIZE(auto_setup_tokens); i++)
10377     fprintf(file, "%s\n", getSetupLine(auto_setup_tokens, "", i));
10378
10379   fclose(file);
10380
10381   SetFilePermissions(filename, PERMS_PRIVATE);
10382
10383   free(filename);
10384 }
10385
10386 void SaveSetup_EditorCascade(void)
10387 {
10388   char *filename = getPath2(getSetupDir(), EDITORCASCADE_FILENAME);
10389   FILE *file;
10390   int i;
10391
10392   InitUserDataDirectory();
10393
10394   if (!(file = fopen(filename, MODE_WRITE)))
10395   {
10396     Warn("cannot write editor cascade state file '%s'", filename);
10397
10398     free(filename);
10399
10400     return;
10401   }
10402
10403   fprintFileHeader(file, EDITORCASCADE_FILENAME);
10404
10405   for (i = 0; i < ARRAY_SIZE(editor_cascade_setup_tokens); i++)
10406     fprintf(file, "%s\n", getSetupLine(editor_cascade_setup_tokens, "", i));
10407
10408   fclose(file);
10409
10410   SetFilePermissions(filename, PERMS_PRIVATE);
10411
10412   free(filename);
10413 }
10414
10415 static void SaveSetup_WriteGameControllerMappings(SetupFileHash *mappings_hash,
10416                                                   char *filename)
10417 {
10418   FILE *file;
10419
10420   if (!(file = fopen(filename, MODE_WRITE)))
10421   {
10422     Warn("cannot write game controller mappings file '%s'", filename);
10423
10424     return;
10425   }
10426
10427   BEGIN_HASH_ITERATION(mappings_hash, itr)
10428   {
10429     fprintf(file, "%s\n", HASH_ITERATION_VALUE(itr));
10430   }
10431   END_HASH_ITERATION(mappings_hash, itr)
10432
10433   fclose(file);
10434 }
10435
10436 void SaveSetup_AddGameControllerMapping(char *mapping)
10437 {
10438   char *filename = getPath2(getSetupDir(), GAMECONTROLLER_BASENAME);
10439   SetupFileHash *mappings_hash = newSetupFileHash();
10440
10441   InitUserDataDirectory();
10442
10443   // load existing personal game controller mappings
10444   LoadSetup_ReadGameControllerMappings(mappings_hash, filename);
10445
10446   // add new mapping to personal game controller mappings
10447   addGameControllerMappingToHash(mappings_hash, mapping);
10448
10449   // save updated personal game controller mappings
10450   SaveSetup_WriteGameControllerMappings(mappings_hash, filename);
10451
10452   freeSetupFileHash(mappings_hash);
10453   free(filename);
10454 }
10455
10456 void LoadCustomElementDescriptions(void)
10457 {
10458   char *filename = getCustomArtworkConfigFilename(ARTWORK_TYPE_GRAPHICS);
10459   SetupFileHash *setup_file_hash;
10460   int i;
10461
10462   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
10463   {
10464     if (element_info[i].custom_description != NULL)
10465     {
10466       free(element_info[i].custom_description);
10467       element_info[i].custom_description = NULL;
10468     }
10469   }
10470
10471   if ((setup_file_hash = loadSetupFileHash(filename)) == NULL)
10472     return;
10473
10474   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
10475   {
10476     char *token = getStringCat2(element_info[i].token_name, ".name");
10477     char *value = getHashEntry(setup_file_hash, token);
10478
10479     if (value != NULL)
10480       element_info[i].custom_description = getStringCopy(value);
10481
10482     free(token);
10483   }
10484
10485   freeSetupFileHash(setup_file_hash);
10486 }
10487
10488 static int getElementFromToken(char *token)
10489 {
10490   char *value = getHashEntry(element_token_hash, token);
10491
10492   if (value != NULL)
10493     return atoi(value);
10494
10495   Warn("unknown element token '%s'", token);
10496
10497   return EL_UNDEFINED;
10498 }
10499
10500 void FreeGlobalAnimEventInfo(void)
10501 {
10502   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
10503
10504   if (gaei->event_list == NULL)
10505     return;
10506
10507   int i;
10508
10509   for (i = 0; i < gaei->num_event_lists; i++)
10510   {
10511     checked_free(gaei->event_list[i]->event_value);
10512     checked_free(gaei->event_list[i]);
10513   }
10514
10515   checked_free(gaei->event_list);
10516
10517   gaei->event_list = NULL;
10518   gaei->num_event_lists = 0;
10519 }
10520
10521 static int AddGlobalAnimEventList(void)
10522 {
10523   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
10524   int list_pos = gaei->num_event_lists++;
10525
10526   gaei->event_list = checked_realloc(gaei->event_list, gaei->num_event_lists *
10527                                      sizeof(struct GlobalAnimEventListInfo *));
10528
10529   gaei->event_list[list_pos] =
10530     checked_calloc(sizeof(struct GlobalAnimEventListInfo));
10531
10532   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
10533
10534   gaeli->event_value = NULL;
10535   gaeli->num_event_values = 0;
10536
10537   return list_pos;
10538 }
10539
10540 static int AddGlobalAnimEventValue(int list_pos, int event_value)
10541 {
10542   // do not add empty global animation events
10543   if (event_value == ANIM_EVENT_NONE)
10544     return list_pos;
10545
10546   // if list position is undefined, create new list
10547   if (list_pos == ANIM_EVENT_UNDEFINED)
10548     list_pos = AddGlobalAnimEventList();
10549
10550   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
10551   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
10552   int value_pos = gaeli->num_event_values++;
10553
10554   gaeli->event_value = checked_realloc(gaeli->event_value,
10555                                        gaeli->num_event_values * sizeof(int *));
10556
10557   gaeli->event_value[value_pos] = event_value;
10558
10559   return list_pos;
10560 }
10561
10562 int GetGlobalAnimEventValue(int list_pos, int value_pos)
10563 {
10564   if (list_pos == ANIM_EVENT_UNDEFINED)
10565     return ANIM_EVENT_NONE;
10566
10567   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
10568   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
10569
10570   return gaeli->event_value[value_pos];
10571 }
10572
10573 int GetGlobalAnimEventValueCount(int list_pos)
10574 {
10575   if (list_pos == ANIM_EVENT_UNDEFINED)
10576     return 0;
10577
10578   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
10579   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
10580
10581   return gaeli->num_event_values;
10582 }
10583
10584 // This function checks if a string <s> of the format "string1, string2, ..."
10585 // exactly contains a string <s_contained>.
10586
10587 static boolean string_has_parameter(char *s, char *s_contained)
10588 {
10589   char *substring;
10590
10591   if (s == NULL || s_contained == NULL)
10592     return FALSE;
10593
10594   if (strlen(s_contained) > strlen(s))
10595     return FALSE;
10596
10597   if (strncmp(s, s_contained, strlen(s_contained)) == 0)
10598   {
10599     char next_char = s[strlen(s_contained)];
10600
10601     // check if next character is delimiter or whitespace
10602     return (next_char == ',' || next_char == '\0' ||
10603             next_char == ' ' || next_char == '\t' ? TRUE : FALSE);
10604   }
10605
10606   // check if string contains another parameter string after a comma
10607   substring = strchr(s, ',');
10608   if (substring == NULL)        // string does not contain a comma
10609     return FALSE;
10610
10611   // advance string pointer to next character after the comma
10612   substring++;
10613
10614   // skip potential whitespaces after the comma
10615   while (*substring == ' ' || *substring == '\t')
10616     substring++;
10617
10618   return string_has_parameter(substring, s_contained);
10619 }
10620
10621 static int get_anim_parameter_value(char *s)
10622 {
10623   int event_value[] =
10624   {
10625     ANIM_EVENT_CLICK,
10626     ANIM_EVENT_INIT,
10627     ANIM_EVENT_START,
10628     ANIM_EVENT_END,
10629     ANIM_EVENT_POST
10630   };
10631   char *pattern_1[] =
10632   {
10633     "click:anim_",
10634     "init:anim_",
10635     "start:anim_",
10636     "end:anim_",
10637     "post:anim_"
10638   };
10639   char *pattern_2 = ".part_";
10640   char *matching_char = NULL;
10641   char *s_ptr = s;
10642   int pattern_1_len = 0;
10643   int result = ANIM_EVENT_NONE;
10644   int i;
10645
10646   for (i = 0; i < ARRAY_SIZE(event_value); i++)
10647   {
10648     matching_char = strstr(s_ptr, pattern_1[i]);
10649     pattern_1_len = strlen(pattern_1[i]);
10650     result = event_value[i];
10651
10652     if (matching_char != NULL)
10653       break;
10654   }
10655
10656   if (matching_char == NULL)
10657     return ANIM_EVENT_NONE;
10658
10659   s_ptr = matching_char + pattern_1_len;
10660
10661   // check for main animation number ("anim_X" or "anim_XX")
10662   if (*s_ptr >= '0' && *s_ptr <= '9')
10663   {
10664     int gic_anim_nr = (*s_ptr++ - '0');
10665
10666     if (*s_ptr >= '0' && *s_ptr <= '9')
10667       gic_anim_nr = 10 * gic_anim_nr + (*s_ptr++ - '0');
10668
10669     if (gic_anim_nr < 1 || gic_anim_nr > MAX_GLOBAL_ANIMS)
10670       return ANIM_EVENT_NONE;
10671
10672     result |= gic_anim_nr << ANIM_EVENT_ANIM_BIT;
10673   }
10674   else
10675   {
10676     // invalid main animation number specified
10677
10678     return ANIM_EVENT_NONE;
10679   }
10680
10681   // check for animation part number ("part_X" or "part_XX") (optional)
10682   if (strPrefix(s_ptr, pattern_2))
10683   {
10684     s_ptr += strlen(pattern_2);
10685
10686     if (*s_ptr >= '0' && *s_ptr <= '9')
10687     {
10688       int gic_part_nr = (*s_ptr++ - '0');
10689
10690       if (*s_ptr >= '0' && *s_ptr <= '9')
10691         gic_part_nr = 10 * gic_part_nr + (*s_ptr++ - '0');
10692
10693       if (gic_part_nr < 1 || gic_part_nr > MAX_GLOBAL_ANIM_PARTS)
10694         return ANIM_EVENT_NONE;
10695
10696       result |= gic_part_nr << ANIM_EVENT_PART_BIT;
10697     }
10698     else
10699     {
10700       // invalid animation part number specified
10701
10702       return ANIM_EVENT_NONE;
10703     }
10704   }
10705
10706   // discard result if next character is neither delimiter nor whitespace
10707   if (!(*s_ptr == ',' || *s_ptr == '\0' ||
10708         *s_ptr == ' ' || *s_ptr == '\t'))
10709     return ANIM_EVENT_NONE;
10710
10711   return result;
10712 }
10713
10714 static int get_anim_parameter_values(char *s)
10715 {
10716   int list_pos = ANIM_EVENT_UNDEFINED;
10717   int event_value = ANIM_EVENT_DEFAULT;
10718
10719   if (string_has_parameter(s, "any"))
10720     event_value |= ANIM_EVENT_ANY;
10721
10722   if (string_has_parameter(s, "click:self") ||
10723       string_has_parameter(s, "click") ||
10724       string_has_parameter(s, "self"))
10725     event_value |= ANIM_EVENT_SELF;
10726
10727   if (string_has_parameter(s, "unclick:any"))
10728     event_value |= ANIM_EVENT_UNCLICK_ANY;
10729
10730   // if animation event found, add it to global animation event list
10731   if (event_value != ANIM_EVENT_NONE)
10732     list_pos = AddGlobalAnimEventValue(list_pos, event_value);
10733
10734   while (s != NULL)
10735   {
10736     // add optional "click:anim_X" or "click:anim_X.part_X" parameter
10737     event_value = get_anim_parameter_value(s);
10738
10739     // if animation event found, add it to global animation event list
10740     if (event_value != ANIM_EVENT_NONE)
10741       list_pos = AddGlobalAnimEventValue(list_pos, event_value);
10742
10743     // continue with next part of the string, starting with next comma
10744     s = strchr(s + 1, ',');
10745   }
10746
10747   return list_pos;
10748 }
10749
10750 static int get_anim_action_parameter_value(char *token)
10751 {
10752   // check most common default case first to massively speed things up
10753   if (strEqual(token, ARG_UNDEFINED))
10754     return ANIM_EVENT_ACTION_NONE;
10755
10756   int result = getImageIDFromToken(token);
10757
10758   if (result == -1)
10759   {
10760     char *gfx_token = getStringCat2("gfx.", token);
10761
10762     result = getImageIDFromToken(gfx_token);
10763
10764     checked_free(gfx_token);
10765   }
10766
10767   if (result == -1)
10768   {
10769     Key key = getKeyFromX11KeyName(token);
10770
10771     if (key != KSYM_UNDEFINED)
10772       result = -(int)key;
10773   }
10774
10775   if (result == -1)
10776     result = ANIM_EVENT_ACTION_NONE;
10777
10778   return result;
10779 }
10780
10781 int get_parameter_value(char *value_raw, char *suffix, int type)
10782 {
10783   char *value = getStringToLower(value_raw);
10784   int result = 0;       // probably a save default value
10785
10786   if (strEqual(suffix, ".direction"))
10787   {
10788     result = (strEqual(value, "left")  ? MV_LEFT :
10789               strEqual(value, "right") ? MV_RIGHT :
10790               strEqual(value, "up")    ? MV_UP :
10791               strEqual(value, "down")  ? MV_DOWN : MV_NONE);
10792   }
10793   else if (strEqual(suffix, ".position"))
10794   {
10795     result = (strEqual(value, "left")   ? POS_LEFT :
10796               strEqual(value, "right")  ? POS_RIGHT :
10797               strEqual(value, "top")    ? POS_TOP :
10798               strEqual(value, "upper")  ? POS_UPPER :
10799               strEqual(value, "middle") ? POS_MIDDLE :
10800               strEqual(value, "lower")  ? POS_LOWER :
10801               strEqual(value, "bottom") ? POS_BOTTOM :
10802               strEqual(value, "any")    ? POS_ANY :
10803               strEqual(value, "last")   ? POS_LAST : POS_UNDEFINED);
10804   }
10805   else if (strEqual(suffix, ".align"))
10806   {
10807     result = (strEqual(value, "left")   ? ALIGN_LEFT :
10808               strEqual(value, "right")  ? ALIGN_RIGHT :
10809               strEqual(value, "center") ? ALIGN_CENTER :
10810               strEqual(value, "middle") ? ALIGN_CENTER : ALIGN_DEFAULT);
10811   }
10812   else if (strEqual(suffix, ".valign"))
10813   {
10814     result = (strEqual(value, "top")    ? VALIGN_TOP :
10815               strEqual(value, "bottom") ? VALIGN_BOTTOM :
10816               strEqual(value, "middle") ? VALIGN_MIDDLE :
10817               strEqual(value, "center") ? VALIGN_MIDDLE : VALIGN_DEFAULT);
10818   }
10819   else if (strEqual(suffix, ".anim_mode"))
10820   {
10821     result = (string_has_parameter(value, "none")       ? ANIM_NONE :
10822               string_has_parameter(value, "loop")       ? ANIM_LOOP :
10823               string_has_parameter(value, "linear")     ? ANIM_LINEAR :
10824               string_has_parameter(value, "pingpong")   ? ANIM_PINGPONG :
10825               string_has_parameter(value, "pingpong2")  ? ANIM_PINGPONG2 :
10826               string_has_parameter(value, "random")     ? ANIM_RANDOM :
10827               string_has_parameter(value, "ce_value")   ? ANIM_CE_VALUE :
10828               string_has_parameter(value, "ce_score")   ? ANIM_CE_SCORE :
10829               string_has_parameter(value, "ce_delay")   ? ANIM_CE_DELAY :
10830               string_has_parameter(value, "horizontal") ? ANIM_HORIZONTAL :
10831               string_has_parameter(value, "vertical")   ? ANIM_VERTICAL :
10832               string_has_parameter(value, "centered")   ? ANIM_CENTERED :
10833               string_has_parameter(value, "all")        ? ANIM_ALL :
10834               ANIM_DEFAULT);
10835
10836     if (string_has_parameter(value, "once"))
10837       result |= ANIM_ONCE;
10838
10839     if (string_has_parameter(value, "reverse"))
10840       result |= ANIM_REVERSE;
10841
10842     if (string_has_parameter(value, "opaque_player"))
10843       result |= ANIM_OPAQUE_PLAYER;
10844
10845     if (string_has_parameter(value, "static_panel"))
10846       result |= ANIM_STATIC_PANEL;
10847   }
10848   else if (strEqual(suffix, ".init_event") ||
10849            strEqual(suffix, ".anim_event"))
10850   {
10851     result = get_anim_parameter_values(value);
10852   }
10853   else if (strEqual(suffix, ".init_delay_action") ||
10854            strEqual(suffix, ".anim_delay_action") ||
10855            strEqual(suffix, ".post_delay_action") ||
10856            strEqual(suffix, ".init_event_action") ||
10857            strEqual(suffix, ".anim_event_action"))
10858   {
10859     result = get_anim_action_parameter_value(value_raw);
10860   }
10861   else if (strEqual(suffix, ".class"))
10862   {
10863     result = (strEqual(value, ARG_UNDEFINED) ? ARG_UNDEFINED_VALUE :
10864               get_hash_from_key(value));
10865   }
10866   else if (strEqual(suffix, ".style"))
10867   {
10868     result = STYLE_DEFAULT;
10869
10870     if (string_has_parameter(value, "accurate_borders"))
10871       result |= STYLE_ACCURATE_BORDERS;
10872
10873     if (string_has_parameter(value, "inner_corners"))
10874       result |= STYLE_INNER_CORNERS;
10875
10876     if (string_has_parameter(value, "reverse"))
10877       result |= STYLE_REVERSE;
10878
10879     if (string_has_parameter(value, "leftmost_position"))
10880       result |= STYLE_LEFTMOST_POSITION;
10881
10882     if (string_has_parameter(value, "block_clicks"))
10883       result |= STYLE_BLOCK;
10884
10885     if (string_has_parameter(value, "passthrough_clicks"))
10886       result |= STYLE_PASSTHROUGH;
10887
10888     if (string_has_parameter(value, "multiple_actions"))
10889       result |= STYLE_MULTIPLE_ACTIONS;
10890   }
10891   else if (strEqual(suffix, ".fade_mode"))
10892   {
10893     result = (string_has_parameter(value, "none")       ? FADE_MODE_NONE :
10894               string_has_parameter(value, "fade")       ? FADE_MODE_FADE :
10895               string_has_parameter(value, "crossfade")  ? FADE_MODE_CROSSFADE :
10896               string_has_parameter(value, "melt")       ? FADE_MODE_MELT :
10897               string_has_parameter(value, "curtain")    ? FADE_MODE_CURTAIN :
10898               FADE_MODE_DEFAULT);
10899   }
10900   else if (strEqual(suffix, ".auto_delay_unit"))
10901   {
10902     result = (string_has_parameter(value, "ms")     ? AUTO_DELAY_UNIT_MS :
10903               string_has_parameter(value, "frames") ? AUTO_DELAY_UNIT_FRAMES :
10904               AUTO_DELAY_UNIT_DEFAULT);
10905   }
10906   else if (strPrefix(suffix, ".font"))          // (may also be ".font_xyz")
10907   {
10908     result = gfx.get_font_from_token_function(value);
10909   }
10910   else          // generic parameter of type integer or boolean
10911   {
10912     result = (strEqual(value, ARG_UNDEFINED) ? ARG_UNDEFINED_VALUE :
10913               type == TYPE_INTEGER ? get_integer_from_string(value) :
10914               type == TYPE_BOOLEAN ? get_boolean_from_string(value) :
10915               ARG_UNDEFINED_VALUE);
10916   }
10917
10918   free(value);
10919
10920   return result;
10921 }
10922
10923 static int get_token_parameter_value(char *token, char *value_raw)
10924 {
10925   char *suffix;
10926
10927   if (token == NULL || value_raw == NULL)
10928     return ARG_UNDEFINED_VALUE;
10929
10930   suffix = strrchr(token, '.');
10931   if (suffix == NULL)
10932     suffix = token;
10933
10934   if (strEqual(suffix, ".element"))
10935     return getElementFromToken(value_raw);
10936
10937   // !!! USE CORRECT VALUE TYPE (currently works also for TYPE_BOOLEAN) !!!
10938   return get_parameter_value(value_raw, suffix, TYPE_INTEGER);
10939 }
10940
10941 void InitMenuDesignSettings_Static(void)
10942 {
10943   int i;
10944
10945   // always start with reliable default values from static default config
10946   for (i = 0; image_config_vars[i].token != NULL; i++)
10947   {
10948     char *value = getHashEntry(image_config_hash, image_config_vars[i].token);
10949
10950     if (value != NULL)
10951       *image_config_vars[i].value =
10952         get_token_parameter_value(image_config_vars[i].token, value);
10953   }
10954 }
10955
10956 static void InitMenuDesignSettings_SpecialPreProcessing(void)
10957 {
10958   int i;
10959
10960   // the following initializes hierarchical values from static configuration
10961
10962   // special case: initialize "ARG_DEFAULT" values in static default config
10963   // (e.g., initialize "[titlemessage].fade_mode" from "[title].fade_mode")
10964   titlescreen_initial_first_default.fade_mode  =
10965     title_initial_first_default.fade_mode;
10966   titlescreen_initial_first_default.fade_delay =
10967     title_initial_first_default.fade_delay;
10968   titlescreen_initial_first_default.post_delay =
10969     title_initial_first_default.post_delay;
10970   titlescreen_initial_first_default.auto_delay =
10971     title_initial_first_default.auto_delay;
10972   titlescreen_initial_first_default.auto_delay_unit =
10973     title_initial_first_default.auto_delay_unit;
10974   titlescreen_first_default.fade_mode  = title_first_default.fade_mode;
10975   titlescreen_first_default.fade_delay = title_first_default.fade_delay;
10976   titlescreen_first_default.post_delay = title_first_default.post_delay;
10977   titlescreen_first_default.auto_delay = title_first_default.auto_delay;
10978   titlescreen_first_default.auto_delay_unit =
10979     title_first_default.auto_delay_unit;
10980   titlemessage_initial_first_default.fade_mode  =
10981     title_initial_first_default.fade_mode;
10982   titlemessage_initial_first_default.fade_delay =
10983     title_initial_first_default.fade_delay;
10984   titlemessage_initial_first_default.post_delay =
10985     title_initial_first_default.post_delay;
10986   titlemessage_initial_first_default.auto_delay =
10987     title_initial_first_default.auto_delay;
10988   titlemessage_initial_first_default.auto_delay_unit =
10989     title_initial_first_default.auto_delay_unit;
10990   titlemessage_first_default.fade_mode  = title_first_default.fade_mode;
10991   titlemessage_first_default.fade_delay = title_first_default.fade_delay;
10992   titlemessage_first_default.post_delay = title_first_default.post_delay;
10993   titlemessage_first_default.auto_delay = title_first_default.auto_delay;
10994   titlemessage_first_default.auto_delay_unit =
10995     title_first_default.auto_delay_unit;
10996
10997   titlescreen_initial_default.fade_mode  = title_initial_default.fade_mode;
10998   titlescreen_initial_default.fade_delay = title_initial_default.fade_delay;
10999   titlescreen_initial_default.post_delay = title_initial_default.post_delay;
11000   titlescreen_initial_default.auto_delay = title_initial_default.auto_delay;
11001   titlescreen_initial_default.auto_delay_unit =
11002     title_initial_default.auto_delay_unit;
11003   titlescreen_default.fade_mode  = title_default.fade_mode;
11004   titlescreen_default.fade_delay = title_default.fade_delay;
11005   titlescreen_default.post_delay = title_default.post_delay;
11006   titlescreen_default.auto_delay = title_default.auto_delay;
11007   titlescreen_default.auto_delay_unit = title_default.auto_delay_unit;
11008   titlemessage_initial_default.fade_mode  = title_initial_default.fade_mode;
11009   titlemessage_initial_default.fade_delay = title_initial_default.fade_delay;
11010   titlemessage_initial_default.post_delay = title_initial_default.post_delay;
11011   titlemessage_initial_default.auto_delay_unit =
11012     title_initial_default.auto_delay_unit;
11013   titlemessage_default.fade_mode  = title_default.fade_mode;
11014   titlemessage_default.fade_delay = title_default.fade_delay;
11015   titlemessage_default.post_delay = title_default.post_delay;
11016   titlemessage_default.auto_delay = title_default.auto_delay;
11017   titlemessage_default.auto_delay_unit = title_default.auto_delay_unit;
11018
11019   // special case: initialize "ARG_DEFAULT" values in static default config
11020   // (e.g., init "titlemessage_1.fade_mode" from "[titlemessage].fade_mode")
11021   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
11022   {
11023     titlescreen_initial_first[i] = titlescreen_initial_first_default;
11024     titlescreen_first[i] = titlescreen_first_default;
11025     titlemessage_initial_first[i] = titlemessage_initial_first_default;
11026     titlemessage_first[i] = titlemessage_first_default;
11027
11028     titlescreen_initial[i] = titlescreen_initial_default;
11029     titlescreen[i] = titlescreen_default;
11030     titlemessage_initial[i] = titlemessage_initial_default;
11031     titlemessage[i] = titlemessage_default;
11032   }
11033
11034   // special case: initialize "ARG_DEFAULT" values in static default config
11035   // (eg, init "menu.enter_screen.SCORES.xyz" from "menu.enter_screen.xyz")
11036   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11037   {
11038     if (i == GFX_SPECIAL_ARG_TITLE)     // title values already initialized
11039       continue;
11040
11041     menu.enter_screen[i] = menu.enter_screen[GFX_SPECIAL_ARG_DEFAULT];
11042     menu.leave_screen[i] = menu.leave_screen[GFX_SPECIAL_ARG_DEFAULT];
11043     menu.next_screen[i]  = menu.next_screen[GFX_SPECIAL_ARG_DEFAULT];
11044   }
11045
11046   // special case: initialize "ARG_DEFAULT" values in static default config
11047   // (eg, init "viewport.door_1.MAIN.xyz" from "viewport.door_1.xyz")
11048   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11049   {
11050     viewport.window[i]    = viewport.window[GFX_SPECIAL_ARG_DEFAULT];
11051     viewport.playfield[i] = viewport.playfield[GFX_SPECIAL_ARG_DEFAULT];
11052     viewport.door_1[i]    = viewport.door_1[GFX_SPECIAL_ARG_DEFAULT];
11053
11054     if (i == GFX_SPECIAL_ARG_EDITOR)    // editor values already initialized
11055       continue;
11056
11057     viewport.door_2[i] = viewport.door_2[GFX_SPECIAL_ARG_DEFAULT];
11058   }
11059 }
11060
11061 static void InitMenuDesignSettings_SpecialPostProcessing(void)
11062 {
11063   static struct
11064   {
11065     struct XY *dst, *src;
11066   }
11067   game_buttons_xy[] =
11068   {
11069     { &game.button.save,        &game.button.stop       },
11070     { &game.button.pause2,      &game.button.pause      },
11071     { &game.button.load,        &game.button.play       },
11072     { &game.button.undo,        &game.button.stop       },
11073     { &game.button.redo,        &game.button.play       },
11074
11075     { NULL,                     NULL                    }
11076   };
11077   int i, j;
11078
11079   // special case: initialize later added SETUP list size from LEVELS value
11080   if (menu.list_size[GAME_MODE_SETUP] == -1)
11081     menu.list_size[GAME_MODE_SETUP] = menu.list_size[GAME_MODE_LEVELS];
11082
11083   // set default position for snapshot buttons to stop/pause/play buttons
11084   for (i = 0; game_buttons_xy[i].dst != NULL; i++)
11085     if ((*game_buttons_xy[i].dst).x == -1 &&
11086         (*game_buttons_xy[i].dst).y == -1)
11087       *game_buttons_xy[i].dst = *game_buttons_xy[i].src;
11088
11089   // --------------------------------------------------------------------------
11090   // dynamic viewports (including playfield margins, borders and alignments)
11091   // --------------------------------------------------------------------------
11092
11093   // dynamic viewports currently only supported for landscape mode
11094   int display_width  = MAX(video.display_width, video.display_height);
11095   int display_height = MIN(video.display_width, video.display_height);
11096
11097   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11098   {
11099     struct RectWithBorder *vp_window    = &viewport.window[i];
11100     struct RectWithBorder *vp_playfield = &viewport.playfield[i];
11101     struct RectWithBorder *vp_door_1    = &viewport.door_1[i];
11102     struct RectWithBorder *vp_door_2    = &viewport.door_2[i];
11103     boolean dynamic_window_width     = (vp_window->min_width     != -1);
11104     boolean dynamic_window_height    = (vp_window->min_height    != -1);
11105     boolean dynamic_playfield_width  = (vp_playfield->min_width  != -1);
11106     boolean dynamic_playfield_height = (vp_playfield->min_height != -1);
11107
11108     // adjust window size if min/max width/height is specified
11109
11110     if (vp_window->min_width != -1)
11111     {
11112       int window_width = display_width;
11113
11114       // when using static window height, use aspect ratio of display
11115       if (vp_window->min_height == -1)
11116         window_width = vp_window->height * display_width / display_height;
11117
11118       vp_window->width = MAX(vp_window->min_width, window_width);
11119     }
11120
11121     if (vp_window->min_height != -1)
11122     {
11123       int window_height = display_height;
11124
11125       // when using static window width, use aspect ratio of display
11126       if (vp_window->min_width == -1)
11127         window_height = vp_window->width * display_height / display_width;
11128
11129       vp_window->height = MAX(vp_window->min_height, window_height);
11130     }
11131
11132     if (vp_window->max_width != -1)
11133       vp_window->width = MIN(vp_window->width, vp_window->max_width);
11134
11135     if (vp_window->max_height != -1)
11136       vp_window->height = MIN(vp_window->height, vp_window->max_height);
11137
11138     int playfield_width  = vp_window->width;
11139     int playfield_height = vp_window->height;
11140
11141     // adjust playfield size and position according to specified margins
11142
11143     playfield_width  -= vp_playfield->margin_left;
11144     playfield_width  -= vp_playfield->margin_right;
11145
11146     playfield_height -= vp_playfield->margin_top;
11147     playfield_height -= vp_playfield->margin_bottom;
11148
11149     // adjust playfield size if min/max width/height is specified
11150
11151     if (vp_playfield->min_width != -1)
11152       vp_playfield->width = MAX(vp_playfield->min_width, playfield_width);
11153
11154     if (vp_playfield->min_height != -1)
11155       vp_playfield->height = MAX(vp_playfield->min_height, playfield_height);
11156
11157     if (vp_playfield->max_width != -1)
11158       vp_playfield->width = MIN(vp_playfield->width, vp_playfield->max_width);
11159
11160     if (vp_playfield->max_height != -1)
11161       vp_playfield->height = MIN(vp_playfield->height,vp_playfield->max_height);
11162
11163     // adjust playfield position according to specified alignment
11164
11165     if (vp_playfield->align == ALIGN_LEFT || vp_playfield->x > 0)
11166       vp_playfield->x = ALIGNED_VP_XPOS(vp_playfield);
11167     else if (vp_playfield->align == ALIGN_CENTER)
11168       vp_playfield->x = playfield_width / 2 - vp_playfield->width / 2;
11169     else if (vp_playfield->align == ALIGN_RIGHT)
11170       vp_playfield->x += playfield_width - vp_playfield->width;
11171
11172     if (vp_playfield->valign == VALIGN_TOP || vp_playfield->y > 0)
11173       vp_playfield->y = ALIGNED_VP_YPOS(vp_playfield);
11174     else if (vp_playfield->valign == VALIGN_MIDDLE)
11175       vp_playfield->y = playfield_height / 2 - vp_playfield->height / 2;
11176     else if (vp_playfield->valign == VALIGN_BOTTOM)
11177       vp_playfield->y += playfield_height - vp_playfield->height;
11178
11179     vp_playfield->x += vp_playfield->margin_left;
11180     vp_playfield->y += vp_playfield->margin_top;
11181
11182     // adjust individual playfield borders if only default border is specified
11183
11184     if (vp_playfield->border_left == -1)
11185       vp_playfield->border_left = vp_playfield->border_size;
11186     if (vp_playfield->border_right == -1)
11187       vp_playfield->border_right = vp_playfield->border_size;
11188     if (vp_playfield->border_top == -1)
11189       vp_playfield->border_top = vp_playfield->border_size;
11190     if (vp_playfield->border_bottom == -1)
11191       vp_playfield->border_bottom = vp_playfield->border_size;
11192
11193     // set dynamic playfield borders if borders are specified as undefined
11194     // (but only if window size was dynamic and playfield size was static)
11195
11196     if (dynamic_window_width && !dynamic_playfield_width)
11197     {
11198       if (vp_playfield->border_left == -1)
11199       {
11200         vp_playfield->border_left = (vp_playfield->x -
11201                                      vp_playfield->margin_left);
11202         vp_playfield->x     -= vp_playfield->border_left;
11203         vp_playfield->width += vp_playfield->border_left;
11204       }
11205
11206       if (vp_playfield->border_right == -1)
11207       {
11208         vp_playfield->border_right = (vp_window->width -
11209                                       vp_playfield->x -
11210                                       vp_playfield->width -
11211                                       vp_playfield->margin_right);
11212         vp_playfield->width += vp_playfield->border_right;
11213       }
11214     }
11215
11216     if (dynamic_window_height && !dynamic_playfield_height)
11217     {
11218       if (vp_playfield->border_top == -1)
11219       {
11220         vp_playfield->border_top = (vp_playfield->y -
11221                                     vp_playfield->margin_top);
11222         vp_playfield->y      -= vp_playfield->border_top;
11223         vp_playfield->height += vp_playfield->border_top;
11224       }
11225
11226       if (vp_playfield->border_bottom == -1)
11227       {
11228         vp_playfield->border_bottom = (vp_window->height -
11229                                        vp_playfield->y -
11230                                        vp_playfield->height -
11231                                        vp_playfield->margin_bottom);
11232         vp_playfield->height += vp_playfield->border_bottom;
11233       }
11234     }
11235
11236     // adjust playfield size to be a multiple of a defined alignment tile size
11237
11238     int align_size = vp_playfield->align_size;
11239     int playfield_xtiles = vp_playfield->width  / align_size;
11240     int playfield_ytiles = vp_playfield->height / align_size;
11241     int playfield_width_corrected  = playfield_xtiles * align_size;
11242     int playfield_height_corrected = playfield_ytiles * align_size;
11243     boolean is_playfield_mode = (i == GFX_SPECIAL_ARG_PLAYING ||
11244                                  i == GFX_SPECIAL_ARG_EDITOR);
11245
11246     if (is_playfield_mode &&
11247         dynamic_playfield_width &&
11248         vp_playfield->width != playfield_width_corrected)
11249     {
11250       int playfield_xdiff = vp_playfield->width - playfield_width_corrected;
11251
11252       vp_playfield->width = playfield_width_corrected;
11253
11254       if (vp_playfield->align == ALIGN_LEFT)
11255       {
11256         vp_playfield->border_left += playfield_xdiff;
11257       }
11258       else if (vp_playfield->align == ALIGN_RIGHT)
11259       {
11260         vp_playfield->border_right += playfield_xdiff;
11261       }
11262       else if (vp_playfield->align == ALIGN_CENTER)
11263       {
11264         int border_left_diff  = playfield_xdiff / 2;
11265         int border_right_diff = playfield_xdiff - border_left_diff;
11266
11267         vp_playfield->border_left  += border_left_diff;
11268         vp_playfield->border_right += border_right_diff;
11269       }
11270     }
11271
11272     if (is_playfield_mode &&
11273         dynamic_playfield_height &&
11274         vp_playfield->height != playfield_height_corrected)
11275     {
11276       int playfield_ydiff = vp_playfield->height - playfield_height_corrected;
11277
11278       vp_playfield->height = playfield_height_corrected;
11279
11280       if (vp_playfield->valign == VALIGN_TOP)
11281       {
11282         vp_playfield->border_top += playfield_ydiff;
11283       }
11284       else if (vp_playfield->align == VALIGN_BOTTOM)
11285       {
11286         vp_playfield->border_right += playfield_ydiff;
11287       }
11288       else if (vp_playfield->align == VALIGN_MIDDLE)
11289       {
11290         int border_top_diff    = playfield_ydiff / 2;
11291         int border_bottom_diff = playfield_ydiff - border_top_diff;
11292
11293         vp_playfield->border_top    += border_top_diff;
11294         vp_playfield->border_bottom += border_bottom_diff;
11295       }
11296     }
11297
11298     // adjust door positions according to specified alignment
11299
11300     for (j = 0; j < 2; j++)
11301     {
11302       struct RectWithBorder *vp_door = (j == 0 ? vp_door_1 : vp_door_2);
11303
11304       if (vp_door->align == ALIGN_LEFT || vp_door->x > 0)
11305         vp_door->x = ALIGNED_VP_XPOS(vp_door);
11306       else if (vp_door->align == ALIGN_CENTER)
11307         vp_door->x = vp_window->width / 2 - vp_door->width / 2;
11308       else if (vp_door->align == ALIGN_RIGHT)
11309         vp_door->x += vp_window->width - vp_door->width;
11310
11311       if (vp_door->valign == VALIGN_TOP || vp_door->y > 0)
11312         vp_door->y = ALIGNED_VP_YPOS(vp_door);
11313       else if (vp_door->valign == VALIGN_MIDDLE)
11314         vp_door->y = vp_window->height / 2 - vp_door->height / 2;
11315       else if (vp_door->valign == VALIGN_BOTTOM)
11316         vp_door->y += vp_window->height - vp_door->height;
11317     }
11318   }
11319 }
11320
11321 static void InitMenuDesignSettings_SpecialPostProcessing_AfterGraphics(void)
11322 {
11323   static struct
11324   {
11325     struct XYTileSize *dst, *src;
11326     int graphic;
11327   }
11328   editor_buttons_xy[] =
11329   {
11330     {
11331       &editor.button.element_left,      &editor.palette.element_left,
11332       IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT
11333     },
11334     {
11335       &editor.button.element_middle,    &editor.palette.element_middle,
11336       IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE
11337     },
11338     {
11339       &editor.button.element_right,     &editor.palette.element_right,
11340       IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT
11341     },
11342
11343     { NULL,                     NULL                    }
11344   };
11345   int i;
11346
11347   // set default position for element buttons to element graphics
11348   for (i = 0; editor_buttons_xy[i].dst != NULL; i++)
11349   {
11350     if ((*editor_buttons_xy[i].dst).x == -1 &&
11351         (*editor_buttons_xy[i].dst).y == -1)
11352     {
11353       struct GraphicInfo *gd = &graphic_info[editor_buttons_xy[i].graphic];
11354
11355       gd->width = gd->height = editor_buttons_xy[i].src->tile_size;
11356
11357       *editor_buttons_xy[i].dst = *editor_buttons_xy[i].src;
11358     }
11359   }
11360
11361   // adjust editor palette rows and columns if specified to be dynamic
11362
11363   if (editor.palette.cols == -1)
11364   {
11365     int vp_width = viewport.playfield[GFX_SPECIAL_ARG_EDITOR].width;
11366     int bt_width = graphic_info[IMG_EDITOR_PALETTE_BUTTON].width;
11367     int sc_width = graphic_info[IMG_EDITOR_PALETTE_SCROLLBAR].width;
11368
11369     editor.palette.cols = (vp_width - sc_width) / bt_width;
11370
11371     if (editor.palette.x == -1)
11372     {
11373       int palette_width = editor.palette.cols * bt_width + sc_width;
11374
11375       editor.palette.x = (vp_width - palette_width) / 2;
11376     }
11377   }
11378
11379   if (editor.palette.rows == -1)
11380   {
11381     int vp_height = viewport.playfield[GFX_SPECIAL_ARG_EDITOR].height;
11382     int bt_height = graphic_info[IMG_EDITOR_PALETTE_BUTTON].height;
11383     int tx_height = getFontHeight(FONT_TEXT_2);
11384
11385     editor.palette.rows = (vp_height - tx_height) / bt_height;
11386
11387     if (editor.palette.y == -1)
11388     {
11389       int palette_height = editor.palette.rows * bt_height + tx_height;
11390
11391       editor.palette.y = (vp_height - palette_height) / 2;
11392     }
11393   }
11394 }
11395
11396 static void LoadMenuDesignSettingsFromFilename(char *filename)
11397 {
11398   static struct TitleFadingInfo tfi;
11399   static struct TitleMessageInfo tmi;
11400   static struct TokenInfo title_tokens[] =
11401   {
11402     { TYPE_INTEGER,     &tfi.fade_mode,         ".fade_mode"            },
11403     { TYPE_INTEGER,     &tfi.fade_delay,        ".fade_delay"           },
11404     { TYPE_INTEGER,     &tfi.post_delay,        ".post_delay"           },
11405     { TYPE_INTEGER,     &tfi.auto_delay,        ".auto_delay"           },
11406     { TYPE_INTEGER,     &tfi.auto_delay_unit,   ".auto_delay_unit"      },
11407
11408     { -1,               NULL,                   NULL                    }
11409   };
11410   static struct TokenInfo titlemessage_tokens[] =
11411   {
11412     { TYPE_INTEGER,     &tmi.x,                 ".x"                    },
11413     { TYPE_INTEGER,     &tmi.y,                 ".y"                    },
11414     { TYPE_INTEGER,     &tmi.width,             ".width"                },
11415     { TYPE_INTEGER,     &tmi.height,            ".height"               },
11416     { TYPE_INTEGER,     &tmi.chars,             ".chars"                },
11417     { TYPE_INTEGER,     &tmi.lines,             ".lines"                },
11418     { TYPE_INTEGER,     &tmi.align,             ".align"                },
11419     { TYPE_INTEGER,     &tmi.valign,            ".valign"               },
11420     { TYPE_INTEGER,     &tmi.font,              ".font"                 },
11421     { TYPE_BOOLEAN,     &tmi.autowrap,          ".autowrap"             },
11422     { TYPE_BOOLEAN,     &tmi.centered,          ".centered"             },
11423     { TYPE_BOOLEAN,     &tmi.parse_comments,    ".parse_comments"       },
11424     { TYPE_INTEGER,     &tmi.sort_priority,     ".sort_priority"        },
11425     { TYPE_INTEGER,     &tmi.fade_mode,         ".fade_mode"            },
11426     { TYPE_INTEGER,     &tmi.fade_delay,        ".fade_delay"           },
11427     { TYPE_INTEGER,     &tmi.post_delay,        ".post_delay"           },
11428     { TYPE_INTEGER,     &tmi.auto_delay,        ".auto_delay"           },
11429     { TYPE_INTEGER,     &tmi.auto_delay_unit,   ".auto_delay_unit"      },
11430
11431     { -1,               NULL,                   NULL                    }
11432   };
11433   static struct
11434   {
11435     struct TitleFadingInfo *info;
11436     char *text;
11437   }
11438   title_info[] =
11439   {
11440     // initialize first titles from "enter screen" definitions, if defined
11441     { &title_initial_first_default,     "menu.enter_screen.TITLE"       },
11442     { &title_first_default,             "menu.enter_screen.TITLE"       },
11443
11444     // initialize title screens from "next screen" definitions, if defined
11445     { &title_initial_default,           "menu.next_screen.TITLE"        },
11446     { &title_default,                   "menu.next_screen.TITLE"        },
11447
11448     { NULL,                             NULL                            }
11449   };
11450   static struct
11451   {
11452     struct TitleMessageInfo *array;
11453     char *text;
11454   }
11455   titlemessage_arrays[] =
11456   {
11457     // initialize first titles from "enter screen" definitions, if defined
11458     { titlescreen_initial_first,        "menu.enter_screen.TITLE"       },
11459     { titlescreen_first,                "menu.enter_screen.TITLE"       },
11460     { titlemessage_initial_first,       "menu.enter_screen.TITLE"       },
11461     { titlemessage_first,               "menu.enter_screen.TITLE"       },
11462
11463     // initialize titles from "next screen" definitions, if defined
11464     { titlescreen_initial,              "menu.next_screen.TITLE"        },
11465     { titlescreen,                      "menu.next_screen.TITLE"        },
11466     { titlemessage_initial,             "menu.next_screen.TITLE"        },
11467     { titlemessage,                     "menu.next_screen.TITLE"        },
11468
11469     // overwrite titles with title definitions, if defined
11470     { titlescreen_initial_first,        "[title_initial]"               },
11471     { titlescreen_first,                "[title]"                       },
11472     { titlemessage_initial_first,       "[title_initial]"               },
11473     { titlemessage_first,               "[title]"                       },
11474
11475     { titlescreen_initial,              "[title_initial]"               },
11476     { titlescreen,                      "[title]"                       },
11477     { titlemessage_initial,             "[title_initial]"               },
11478     { titlemessage,                     "[title]"                       },
11479
11480     // overwrite titles with title screen/message definitions, if defined
11481     { titlescreen_initial_first,        "[titlescreen_initial]"         },
11482     { titlescreen_first,                "[titlescreen]"                 },
11483     { titlemessage_initial_first,       "[titlemessage_initial]"        },
11484     { titlemessage_first,               "[titlemessage]"                },
11485
11486     { titlescreen_initial,              "[titlescreen_initial]"         },
11487     { titlescreen,                      "[titlescreen]"                 },
11488     { titlemessage_initial,             "[titlemessage_initial]"        },
11489     { titlemessage,                     "[titlemessage]"                },
11490
11491     { NULL,                             NULL                            }
11492   };
11493   SetupFileHash *setup_file_hash;
11494   int i, j, k;
11495
11496   if ((setup_file_hash = loadSetupFileHash(filename)) == NULL)
11497     return;
11498
11499   // the following initializes hierarchical values from dynamic configuration
11500
11501   // special case: initialize with default values that may be overwritten
11502   // (e.g., init "menu.draw_xoffset.INFO" from "menu.draw_xoffset")
11503   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11504   {
11505     struct TokenIntPtrInfo menu_config[] =
11506     {
11507       { "menu.draw_xoffset",    &menu.draw_xoffset[i]   },
11508       { "menu.draw_yoffset",    &menu.draw_yoffset[i]   },
11509       { "menu.list_size",       &menu.list_size[i]      }
11510     };
11511
11512     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
11513     {
11514       char *token = menu_config[j].token;
11515       char *value = getHashEntry(setup_file_hash, token);
11516
11517       if (value != NULL)
11518         *menu_config[j].value = get_integer_from_string(value);
11519     }
11520   }
11521
11522   // special case: initialize with default values that may be overwritten
11523   // (eg, init "menu.draw_xoffset.INFO[XXX]" from "menu.draw_xoffset.INFO")
11524   for (i = 0; i < NUM_SPECIAL_GFX_INFO_ARGS; i++)
11525   {
11526     struct TokenIntPtrInfo menu_config[] =
11527     {
11528       { "menu.draw_xoffset.INFO",       &menu.draw_xoffset_info[i]      },
11529       { "menu.draw_yoffset.INFO",       &menu.draw_yoffset_info[i]      },
11530       { "menu.list_size.INFO",          &menu.list_size_info[i]         }
11531     };
11532
11533     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
11534     {
11535       char *token = menu_config[j].token;
11536       char *value = getHashEntry(setup_file_hash, token);
11537
11538       if (value != NULL)
11539         *menu_config[j].value = get_integer_from_string(value);
11540     }
11541   }
11542
11543   // special case: initialize with default values that may be overwritten
11544   // (eg, init "menu.draw_xoffset.SETUP[XXX]" from "menu.draw_xoffset.SETUP")
11545   for (i = 0; i < NUM_SPECIAL_GFX_SETUP_ARGS; i++)
11546   {
11547     struct TokenIntPtrInfo menu_config[] =
11548     {
11549       { "menu.draw_xoffset.SETUP",      &menu.draw_xoffset_setup[i]     },
11550       { "menu.draw_yoffset.SETUP",      &menu.draw_yoffset_setup[i]     }
11551     };
11552
11553     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
11554     {
11555       char *token = menu_config[j].token;
11556       char *value = getHashEntry(setup_file_hash, token);
11557
11558       if (value != NULL)
11559         *menu_config[j].value = get_integer_from_string(value);
11560     }
11561   }
11562
11563   // special case: initialize with default values that may be overwritten
11564   // (eg, init "menu.line_spacing.INFO[XXX]" from "menu.line_spacing.INFO")
11565   for (i = 0; i < NUM_SPECIAL_GFX_INFO_ARGS; i++)
11566   {
11567     struct TokenIntPtrInfo menu_config[] =
11568     {
11569       { "menu.left_spacing.INFO",       &menu.left_spacing_info[i]      },
11570       { "menu.right_spacing.INFO",      &menu.right_spacing_info[i]     },
11571       { "menu.top_spacing.INFO",        &menu.top_spacing_info[i]       },
11572       { "menu.bottom_spacing.INFO",     &menu.bottom_spacing_info[i]    },
11573       { "menu.paragraph_spacing.INFO",  &menu.paragraph_spacing_info[i] },
11574       { "menu.headline1_spacing.INFO",  &menu.headline1_spacing_info[i] },
11575       { "menu.headline2_spacing.INFO",  &menu.headline2_spacing_info[i] },
11576       { "menu.line_spacing.INFO",       &menu.line_spacing_info[i]      },
11577       { "menu.extra_spacing.INFO",      &menu.extra_spacing_info[i]     },
11578     };
11579
11580     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
11581     {
11582       char *token = menu_config[j].token;
11583       char *value = getHashEntry(setup_file_hash, token);
11584
11585       if (value != NULL)
11586         *menu_config[j].value = get_integer_from_string(value);
11587     }
11588   }
11589
11590   // special case: initialize with default values that may be overwritten
11591   // (eg, init "menu.enter_screen.SCORES.xyz" from "menu.enter_screen.xyz")
11592   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11593   {
11594     struct TokenIntPtrInfo menu_config[] =
11595     {
11596       { "menu.enter_screen.fade_mode",  &menu.enter_screen[i].fade_mode  },
11597       { "menu.enter_screen.fade_delay", &menu.enter_screen[i].fade_delay },
11598       { "menu.enter_screen.post_delay", &menu.enter_screen[i].post_delay },
11599       { "menu.leave_screen.fade_mode",  &menu.leave_screen[i].fade_mode  },
11600       { "menu.leave_screen.fade_delay", &menu.leave_screen[i].fade_delay },
11601       { "menu.leave_screen.post_delay", &menu.leave_screen[i].post_delay },
11602       { "menu.next_screen.fade_mode",   &menu.next_screen[i].fade_mode   },
11603       { "menu.next_screen.fade_delay",  &menu.next_screen[i].fade_delay  },
11604       { "menu.next_screen.post_delay",  &menu.next_screen[i].post_delay  }
11605     };
11606
11607     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
11608     {
11609       char *token = menu_config[j].token;
11610       char *value = getHashEntry(setup_file_hash, token);
11611
11612       if (value != NULL)
11613         *menu_config[j].value = get_token_parameter_value(token, value);
11614     }
11615   }
11616
11617   // special case: initialize with default values that may be overwritten
11618   // (eg, init "viewport.door_1.MAIN.xyz" from "viewport.door_1.xyz")
11619   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11620   {
11621     struct
11622     {
11623       char *token_prefix;
11624       struct RectWithBorder *struct_ptr;
11625     }
11626     vp_struct[] =
11627     {
11628       { "viewport.window",      &viewport.window[i]     },
11629       { "viewport.playfield",   &viewport.playfield[i]  },
11630       { "viewport.door_1",      &viewport.door_1[i]     },
11631       { "viewport.door_2",      &viewport.door_2[i]     }
11632     };
11633
11634     for (j = 0; j < ARRAY_SIZE(vp_struct); j++)
11635     {
11636       struct TokenIntPtrInfo vp_config[] =
11637       {
11638         { ".x",                 &vp_struct[j].struct_ptr->x             },
11639         { ".y",                 &vp_struct[j].struct_ptr->y             },
11640         { ".width",             &vp_struct[j].struct_ptr->width         },
11641         { ".height",            &vp_struct[j].struct_ptr->height        },
11642         { ".min_width",         &vp_struct[j].struct_ptr->min_width     },
11643         { ".min_height",        &vp_struct[j].struct_ptr->min_height    },
11644         { ".max_width",         &vp_struct[j].struct_ptr->max_width     },
11645         { ".max_height",        &vp_struct[j].struct_ptr->max_height    },
11646         { ".margin_left",       &vp_struct[j].struct_ptr->margin_left   },
11647         { ".margin_right",      &vp_struct[j].struct_ptr->margin_right  },
11648         { ".margin_top",        &vp_struct[j].struct_ptr->margin_top    },
11649         { ".margin_bottom",     &vp_struct[j].struct_ptr->margin_bottom },
11650         { ".border_left",       &vp_struct[j].struct_ptr->border_left   },
11651         { ".border_right",      &vp_struct[j].struct_ptr->border_right  },
11652         { ".border_top",        &vp_struct[j].struct_ptr->border_top    },
11653         { ".border_bottom",     &vp_struct[j].struct_ptr->border_bottom },
11654         { ".border_size",       &vp_struct[j].struct_ptr->border_size   },
11655         { ".align_size",        &vp_struct[j].struct_ptr->align_size    },
11656         { ".align",             &vp_struct[j].struct_ptr->align         },
11657         { ".valign",            &vp_struct[j].struct_ptr->valign        }
11658       };
11659
11660       for (k = 0; k < ARRAY_SIZE(vp_config); k++)
11661       {
11662         char *token = getStringCat2(vp_struct[j].token_prefix,
11663                                     vp_config[k].token);
11664         char *value = getHashEntry(setup_file_hash, token);
11665
11666         if (value != NULL)
11667           *vp_config[k].value = get_token_parameter_value(token, value);
11668
11669         free(token);
11670       }
11671     }
11672   }
11673
11674   // special case: initialize with default values that may be overwritten
11675   // (e.g., init "[title].fade_mode" from "menu.next_screen.TITLE.fade_mode")
11676   for (i = 0; title_info[i].info != NULL; i++)
11677   {
11678     struct TitleFadingInfo *info = title_info[i].info;
11679     char *base_token = title_info[i].text;
11680
11681     for (j = 0; title_tokens[j].type != -1; j++)
11682     {
11683       char *token = getStringCat2(base_token, title_tokens[j].text);
11684       char *value = getHashEntry(setup_file_hash, token);
11685
11686       if (value != NULL)
11687       {
11688         int parameter_value = get_token_parameter_value(token, value);
11689
11690         tfi = *info;
11691
11692         *(int *)title_tokens[j].value = (int)parameter_value;
11693
11694         *info = tfi;
11695       }
11696
11697       free(token);
11698     }
11699   }
11700
11701   // special case: initialize with default values that may be overwritten
11702   // (e.g., init "titlemessage_1.fade_mode" from "[titlemessage].fade_mode")
11703   for (i = 0; titlemessage_arrays[i].array != NULL; i++)
11704   {
11705     struct TitleMessageInfo *array = titlemessage_arrays[i].array;
11706     char *base_token = titlemessage_arrays[i].text;
11707
11708     for (j = 0; titlemessage_tokens[j].type != -1; j++)
11709     {
11710       char *token = getStringCat2(base_token, titlemessage_tokens[j].text);
11711       char *value = getHashEntry(setup_file_hash, token);
11712
11713       if (value != NULL)
11714       {
11715         int parameter_value = get_token_parameter_value(token, value);
11716
11717         for (k = 0; k < MAX_NUM_TITLE_MESSAGES; k++)
11718         {
11719           tmi = array[k];
11720
11721           if (titlemessage_tokens[j].type == TYPE_INTEGER)
11722             *(int     *)titlemessage_tokens[j].value = (int)parameter_value;
11723           else
11724             *(boolean *)titlemessage_tokens[j].value = (boolean)parameter_value;
11725
11726           array[k] = tmi;
11727         }
11728       }
11729
11730       free(token);
11731     }
11732   }
11733
11734   // special case: check if network and preview player positions are redefined,
11735   // to compare this later against the main menu level preview being redefined
11736   struct TokenIntPtrInfo menu_config_players[] =
11737   {
11738     { "main.network_players.x", &menu.main.network_players.redefined    },
11739     { "main.network_players.y", &menu.main.network_players.redefined    },
11740     { "main.preview_players.x", &menu.main.preview_players.redefined    },
11741     { "main.preview_players.y", &menu.main.preview_players.redefined    },
11742     { "preview.x",              &preview.redefined                      },
11743     { "preview.y",              &preview.redefined                      }
11744   };
11745
11746   for (i = 0; i < ARRAY_SIZE(menu_config_players); i++)
11747     *menu_config_players[i].value = FALSE;
11748
11749   for (i = 0; i < ARRAY_SIZE(menu_config_players); i++)
11750     if (getHashEntry(setup_file_hash, menu_config_players[i].token) != NULL)
11751       *menu_config_players[i].value = TRUE;
11752
11753   // read (and overwrite with) values that may be specified in config file
11754   for (i = 0; image_config_vars[i].token != NULL; i++)
11755   {
11756     char *value = getHashEntry(setup_file_hash, image_config_vars[i].token);
11757
11758     // (ignore definitions set to "[DEFAULT]" which are already initialized)
11759     if (value != NULL && !strEqual(value, ARG_DEFAULT))
11760       *image_config_vars[i].value =
11761         get_token_parameter_value(image_config_vars[i].token, value);
11762   }
11763
11764   freeSetupFileHash(setup_file_hash);
11765 }
11766
11767 void LoadMenuDesignSettings(void)
11768 {
11769   char *filename_base = UNDEFINED_FILENAME, *filename_local;
11770
11771   InitMenuDesignSettings_Static();
11772   InitMenuDesignSettings_SpecialPreProcessing();
11773
11774   if (!GFX_OVERRIDE_ARTWORK(ARTWORK_TYPE_GRAPHICS))
11775   {
11776     // first look for special settings configured in level series config
11777     filename_base = getCustomArtworkLevelConfigFilename(ARTWORK_TYPE_GRAPHICS);
11778
11779     if (fileExists(filename_base))
11780       LoadMenuDesignSettingsFromFilename(filename_base);
11781   }
11782
11783   filename_local = getCustomArtworkConfigFilename(ARTWORK_TYPE_GRAPHICS);
11784
11785   if (filename_local != NULL && !strEqual(filename_base, filename_local))
11786     LoadMenuDesignSettingsFromFilename(filename_local);
11787
11788   InitMenuDesignSettings_SpecialPostProcessing();
11789 }
11790
11791 void LoadMenuDesignSettings_AfterGraphics(void)
11792 {
11793   InitMenuDesignSettings_SpecialPostProcessing_AfterGraphics();
11794 }
11795
11796 void LoadUserDefinedEditorElementList(int **elements, int *num_elements)
11797 {
11798   char *filename = getEditorSetupFilename();
11799   SetupFileList *setup_file_list, *list;
11800   SetupFileHash *element_hash;
11801   int num_unknown_tokens = 0;
11802   int i;
11803
11804   if ((setup_file_list = loadSetupFileList(filename)) == NULL)
11805     return;
11806
11807   element_hash = newSetupFileHash();
11808
11809   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
11810     setHashEntry(element_hash, element_info[i].token_name, i_to_a(i));
11811
11812   // determined size may be larger than needed (due to unknown elements)
11813   *num_elements = 0;
11814   for (list = setup_file_list; list != NULL; list = list->next)
11815     (*num_elements)++;
11816
11817   // add space for up to 3 more elements for padding that may be needed
11818   *num_elements += 3;
11819
11820   // free memory for old list of elements, if needed
11821   checked_free(*elements);
11822
11823   // allocate memory for new list of elements
11824   *elements = checked_malloc(*num_elements * sizeof(int));
11825
11826   *num_elements = 0;
11827   for (list = setup_file_list; list != NULL; list = list->next)
11828   {
11829     char *value = getHashEntry(element_hash, list->token);
11830
11831     if (value == NULL)          // try to find obsolete token mapping
11832     {
11833       char *mapped_token = get_mapped_token(list->token);
11834
11835       if (mapped_token != NULL)
11836       {
11837         value = getHashEntry(element_hash, mapped_token);
11838
11839         free(mapped_token);
11840       }
11841     }
11842
11843     if (value != NULL)
11844     {
11845       (*elements)[(*num_elements)++] = atoi(value);
11846     }
11847     else
11848     {
11849       if (num_unknown_tokens == 0)
11850       {
11851         Warn("---");
11852         Warn("unknown token(s) found in config file:");
11853         Warn("- config file: '%s'", filename);
11854
11855         num_unknown_tokens++;
11856       }
11857
11858       Warn("- token: '%s'", list->token);
11859     }
11860   }
11861
11862   if (num_unknown_tokens > 0)
11863     Warn("---");
11864
11865   while (*num_elements % 4)     // pad with empty elements, if needed
11866     (*elements)[(*num_elements)++] = EL_EMPTY;
11867
11868   freeSetupFileList(setup_file_list);
11869   freeSetupFileHash(element_hash);
11870
11871 #if 0
11872   for (i = 0; i < *num_elements; i++)
11873     Debug("editor", "element '%s' [%d]\n",
11874           element_info[(*elements)[i]].token_name, (*elements)[i]);
11875 #endif
11876 }
11877
11878 static struct MusicFileInfo *get_music_file_info_ext(char *basename, int music,
11879                                                      boolean is_sound)
11880 {
11881   SetupFileHash *setup_file_hash = NULL;
11882   struct MusicFileInfo tmp_music_file_info, *new_music_file_info;
11883   char *filename_music, *filename_prefix, *filename_info;
11884   struct
11885   {
11886     char *token;
11887     char **value_ptr;
11888   }
11889   token_to_value_ptr[] =
11890   {
11891     { "title_header",   &tmp_music_file_info.title_header       },
11892     { "artist_header",  &tmp_music_file_info.artist_header      },
11893     { "album_header",   &tmp_music_file_info.album_header       },
11894     { "year_header",    &tmp_music_file_info.year_header        },
11895
11896     { "title",          &tmp_music_file_info.title              },
11897     { "artist",         &tmp_music_file_info.artist             },
11898     { "album",          &tmp_music_file_info.album              },
11899     { "year",           &tmp_music_file_info.year               },
11900
11901     { NULL,             NULL                                    },
11902   };
11903   int i;
11904
11905   filename_music = (is_sound ? getCustomSoundFilename(basename) :
11906                     getCustomMusicFilename(basename));
11907
11908   if (filename_music == NULL)
11909     return NULL;
11910
11911   // ---------- try to replace file extension ----------
11912
11913   filename_prefix = getStringCopy(filename_music);
11914   if (strrchr(filename_prefix, '.') != NULL)
11915     *strrchr(filename_prefix, '.') = '\0';
11916   filename_info = getStringCat2(filename_prefix, ".txt");
11917
11918   if (fileExists(filename_info))
11919     setup_file_hash = loadSetupFileHash(filename_info);
11920
11921   free(filename_prefix);
11922   free(filename_info);
11923
11924   if (setup_file_hash == NULL)
11925   {
11926     // ---------- try to add file extension ----------
11927
11928     filename_prefix = getStringCopy(filename_music);
11929     filename_info = getStringCat2(filename_prefix, ".txt");
11930
11931     if (fileExists(filename_info))
11932       setup_file_hash = loadSetupFileHash(filename_info);
11933
11934     free(filename_prefix);
11935     free(filename_info);
11936   }
11937
11938   if (setup_file_hash == NULL)
11939     return NULL;
11940
11941   // ---------- music file info found ----------
11942
11943   clear_mem(&tmp_music_file_info, sizeof(struct MusicFileInfo));
11944
11945   for (i = 0; token_to_value_ptr[i].token != NULL; i++)
11946   {
11947     char *value = getHashEntry(setup_file_hash, token_to_value_ptr[i].token);
11948
11949     *token_to_value_ptr[i].value_ptr =
11950       getStringCopy(value != NULL && *value != '\0' ? value : UNKNOWN_NAME);
11951   }
11952
11953   tmp_music_file_info.basename = getStringCopy(basename);
11954   tmp_music_file_info.music = music;
11955   tmp_music_file_info.is_sound = is_sound;
11956
11957   new_music_file_info = checked_malloc(sizeof(struct MusicFileInfo));
11958   *new_music_file_info = tmp_music_file_info;
11959
11960   return new_music_file_info;
11961 }
11962
11963 static struct MusicFileInfo *get_music_file_info(char *basename, int music)
11964 {
11965   return get_music_file_info_ext(basename, music, FALSE);
11966 }
11967
11968 static struct MusicFileInfo *get_sound_file_info(char *basename, int sound)
11969 {
11970   return get_music_file_info_ext(basename, sound, TRUE);
11971 }
11972
11973 static boolean music_info_listed_ext(struct MusicFileInfo *list,
11974                                      char *basename, boolean is_sound)
11975 {
11976   for (; list != NULL; list = list->next)
11977     if (list->is_sound == is_sound && strEqual(list->basename, basename))
11978       return TRUE;
11979
11980   return FALSE;
11981 }
11982
11983 static boolean music_info_listed(struct MusicFileInfo *list, char *basename)
11984 {
11985   return music_info_listed_ext(list, basename, FALSE);
11986 }
11987
11988 static boolean sound_info_listed(struct MusicFileInfo *list, char *basename)
11989 {
11990   return music_info_listed_ext(list, basename, TRUE);
11991 }
11992
11993 void LoadMusicInfo(void)
11994 {
11995   char *music_directory = getCustomMusicDirectory();
11996   int num_music = getMusicListSize();
11997   int num_music_noconf = 0;
11998   int num_sounds = getSoundListSize();
11999   Directory *dir;
12000   DirectoryEntry *dir_entry;
12001   struct FileInfo *music, *sound;
12002   struct MusicFileInfo *next, **new;
12003   int i;
12004
12005   while (music_file_info != NULL)
12006   {
12007     next = music_file_info->next;
12008
12009     checked_free(music_file_info->basename);
12010
12011     checked_free(music_file_info->title_header);
12012     checked_free(music_file_info->artist_header);
12013     checked_free(music_file_info->album_header);
12014     checked_free(music_file_info->year_header);
12015
12016     checked_free(music_file_info->title);
12017     checked_free(music_file_info->artist);
12018     checked_free(music_file_info->album);
12019     checked_free(music_file_info->year);
12020
12021     free(music_file_info);
12022
12023     music_file_info = next;
12024   }
12025
12026   new = &music_file_info;
12027
12028   for (i = 0; i < num_music; i++)
12029   {
12030     music = getMusicListEntry(i);
12031
12032     if (music->filename == NULL)
12033       continue;
12034
12035     if (strEqual(music->filename, UNDEFINED_FILENAME))
12036       continue;
12037
12038     // a configured file may be not recognized as music
12039     if (!FileIsMusic(music->filename))
12040       continue;
12041
12042     if (!music_info_listed(music_file_info, music->filename))
12043     {
12044       *new = get_music_file_info(music->filename, i);
12045
12046       if (*new != NULL)
12047         new = &(*new)->next;
12048     }
12049   }
12050
12051   if ((dir = openDirectory(music_directory)) == NULL)
12052   {
12053     Warn("cannot read music directory '%s'", music_directory);
12054
12055     return;
12056   }
12057
12058   while ((dir_entry = readDirectory(dir)) != NULL)      // loop all entries
12059   {
12060     char *basename = dir_entry->basename;
12061     boolean music_already_used = FALSE;
12062     int i;
12063
12064     // skip all music files that are configured in music config file
12065     for (i = 0; i < num_music; i++)
12066     {
12067       music = getMusicListEntry(i);
12068
12069       if (music->filename == NULL)
12070         continue;
12071
12072       if (strEqual(basename, music->filename))
12073       {
12074         music_already_used = TRUE;
12075         break;
12076       }
12077     }
12078
12079     if (music_already_used)
12080       continue;
12081
12082     if (!FileIsMusic(dir_entry->filename))
12083       continue;
12084
12085     if (!music_info_listed(music_file_info, basename))
12086     {
12087       *new = get_music_file_info(basename, MAP_NOCONF_MUSIC(num_music_noconf));
12088
12089       if (*new != NULL)
12090         new = &(*new)->next;
12091     }
12092
12093     num_music_noconf++;
12094   }
12095
12096   closeDirectory(dir);
12097
12098   for (i = 0; i < num_sounds; i++)
12099   {
12100     sound = getSoundListEntry(i);
12101
12102     if (sound->filename == NULL)
12103       continue;
12104
12105     if (strEqual(sound->filename, UNDEFINED_FILENAME))
12106       continue;
12107
12108     // a configured file may be not recognized as sound
12109     if (!FileIsSound(sound->filename))
12110       continue;
12111
12112     if (!sound_info_listed(music_file_info, sound->filename))
12113     {
12114       *new = get_sound_file_info(sound->filename, i);
12115       if (*new != NULL)
12116         new = &(*new)->next;
12117     }
12118   }
12119 }
12120
12121 static void add_helpanim_entry(int element, int action, int direction,
12122                                int delay, int *num_list_entries)
12123 {
12124   struct HelpAnimInfo *new_list_entry;
12125   (*num_list_entries)++;
12126
12127   helpanim_info =
12128     checked_realloc(helpanim_info,
12129                     *num_list_entries * sizeof(struct HelpAnimInfo));
12130   new_list_entry = &helpanim_info[*num_list_entries - 1];
12131
12132   new_list_entry->element = element;
12133   new_list_entry->action = action;
12134   new_list_entry->direction = direction;
12135   new_list_entry->delay = delay;
12136 }
12137
12138 static void print_unknown_token(char *filename, char *token, int token_nr)
12139 {
12140   if (token_nr == 0)
12141   {
12142     Warn("---");
12143     Warn("unknown token(s) found in config file:");
12144     Warn("- config file: '%s'", filename);
12145   }
12146
12147   Warn("- token: '%s'", token);
12148 }
12149
12150 static void print_unknown_token_end(int token_nr)
12151 {
12152   if (token_nr > 0)
12153     Warn("---");
12154 }
12155
12156 void LoadHelpAnimInfo(void)
12157 {
12158   char *filename = getHelpAnimFilename();
12159   SetupFileList *setup_file_list = NULL, *list;
12160   SetupFileHash *element_hash, *action_hash, *direction_hash;
12161   int num_list_entries = 0;
12162   int num_unknown_tokens = 0;
12163   int i;
12164
12165   if (fileExists(filename))
12166     setup_file_list = loadSetupFileList(filename);
12167
12168   if (setup_file_list == NULL)
12169   {
12170     // use reliable default values from static configuration
12171     SetupFileList *insert_ptr;
12172
12173     insert_ptr = setup_file_list =
12174       newSetupFileList(helpanim_config[0].token,
12175                        helpanim_config[0].value);
12176
12177     for (i = 1; helpanim_config[i].token; i++)
12178       insert_ptr = addListEntry(insert_ptr,
12179                                 helpanim_config[i].token,
12180                                 helpanim_config[i].value);
12181   }
12182
12183   element_hash   = newSetupFileHash();
12184   action_hash    = newSetupFileHash();
12185   direction_hash = newSetupFileHash();
12186
12187   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
12188     setHashEntry(element_hash, element_info[i].token_name, i_to_a(i));
12189
12190   for (i = 0; i < NUM_ACTIONS; i++)
12191     setHashEntry(action_hash, element_action_info[i].suffix,
12192                  i_to_a(element_action_info[i].value));
12193
12194   // do not store direction index (bit) here, but direction value!
12195   for (i = 0; i < NUM_DIRECTIONS_FULL; i++)
12196     setHashEntry(direction_hash, element_direction_info[i].suffix,
12197                  i_to_a(1 << element_direction_info[i].value));
12198
12199   for (list = setup_file_list; list != NULL; list = list->next)
12200   {
12201     char *element_token, *action_token, *direction_token;
12202     char *element_value, *action_value, *direction_value;
12203     int delay = atoi(list->value);
12204
12205     if (strEqual(list->token, "end"))
12206     {
12207       add_helpanim_entry(HELPANIM_LIST_NEXT, -1, -1, -1, &num_list_entries);
12208
12209       continue;
12210     }
12211
12212     /* first try to break element into element/action/direction parts;
12213        if this does not work, also accept combined "element[.act][.dir]"
12214        elements (like "dynamite.active"), which are unique elements */
12215
12216     if (strchr(list->token, '.') == NULL)       // token contains no '.'
12217     {
12218       element_value = getHashEntry(element_hash, list->token);
12219       if (element_value != NULL)        // element found
12220         add_helpanim_entry(atoi(element_value), -1, -1, delay,
12221                            &num_list_entries);
12222       else
12223       {
12224         // no further suffixes found -- this is not an element
12225         print_unknown_token(filename, list->token, num_unknown_tokens++);
12226       }
12227
12228       continue;
12229     }
12230
12231     // token has format "<prefix>.<something>"
12232
12233     action_token = strchr(list->token, '.');    // suffix may be action ...
12234     direction_token = action_token;             // ... or direction
12235
12236     element_token = getStringCopy(list->token);
12237     *strchr(element_token, '.') = '\0';
12238
12239     element_value = getHashEntry(element_hash, element_token);
12240
12241     if (element_value == NULL)          // this is no element
12242     {
12243       element_value = getHashEntry(element_hash, list->token);
12244       if (element_value != NULL)        // combined element found
12245         add_helpanim_entry(atoi(element_value), -1, -1, delay,
12246                            &num_list_entries);
12247       else
12248         print_unknown_token(filename, list->token, num_unknown_tokens++);
12249
12250       free(element_token);
12251
12252       continue;
12253     }
12254
12255     action_value = getHashEntry(action_hash, action_token);
12256
12257     if (action_value != NULL)           // action found
12258     {
12259       add_helpanim_entry(atoi(element_value), atoi(action_value), -1, delay,
12260                     &num_list_entries);
12261
12262       free(element_token);
12263
12264       continue;
12265     }
12266
12267     direction_value = getHashEntry(direction_hash, direction_token);
12268
12269     if (direction_value != NULL)        // direction found
12270     {
12271       add_helpanim_entry(atoi(element_value), -1, atoi(direction_value), delay,
12272                          &num_list_entries);
12273
12274       free(element_token);
12275
12276       continue;
12277     }
12278
12279     if (strchr(action_token + 1, '.') == NULL)
12280     {
12281       // no further suffixes found -- this is not an action nor direction
12282
12283       element_value = getHashEntry(element_hash, list->token);
12284       if (element_value != NULL)        // combined element found
12285         add_helpanim_entry(atoi(element_value), -1, -1, delay,
12286                            &num_list_entries);
12287       else
12288         print_unknown_token(filename, list->token, num_unknown_tokens++);
12289
12290       free(element_token);
12291
12292       continue;
12293     }
12294
12295     // token has format "<prefix>.<suffix>.<something>"
12296
12297     direction_token = strchr(action_token + 1, '.');
12298
12299     action_token = getStringCopy(action_token);
12300     *strchr(action_token + 1, '.') = '\0';
12301
12302     action_value = getHashEntry(action_hash, action_token);
12303
12304     if (action_value == NULL)           // this is no action
12305     {
12306       element_value = getHashEntry(element_hash, list->token);
12307       if (element_value != NULL)        // combined element found
12308         add_helpanim_entry(atoi(element_value), -1, -1, delay,
12309                            &num_list_entries);
12310       else
12311         print_unknown_token(filename, list->token, num_unknown_tokens++);
12312
12313       free(element_token);
12314       free(action_token);
12315
12316       continue;
12317     }
12318
12319     direction_value = getHashEntry(direction_hash, direction_token);
12320
12321     if (direction_value != NULL)        // direction found
12322     {
12323       add_helpanim_entry(atoi(element_value), atoi(action_value),
12324                          atoi(direction_value), delay, &num_list_entries);
12325
12326       free(element_token);
12327       free(action_token);
12328
12329       continue;
12330     }
12331
12332     // this is no direction
12333
12334     element_value = getHashEntry(element_hash, list->token);
12335     if (element_value != NULL)          // combined element found
12336       add_helpanim_entry(atoi(element_value), -1, -1, delay,
12337                          &num_list_entries);
12338     else
12339       print_unknown_token(filename, list->token, num_unknown_tokens++);
12340
12341     free(element_token);
12342     free(action_token);
12343   }
12344
12345   print_unknown_token_end(num_unknown_tokens);
12346
12347   add_helpanim_entry(HELPANIM_LIST_NEXT, -1, -1, -1, &num_list_entries);
12348   add_helpanim_entry(HELPANIM_LIST_END,  -1, -1, -1, &num_list_entries);
12349
12350   freeSetupFileList(setup_file_list);
12351   freeSetupFileHash(element_hash);
12352   freeSetupFileHash(action_hash);
12353   freeSetupFileHash(direction_hash);
12354
12355 #if 0
12356   for (i = 0; i < num_list_entries; i++)
12357     Debug("files:LoadHelpAnimInfo", "'%s': %d, %d, %d => %d",
12358           EL_NAME(helpanim_info[i].element),
12359           helpanim_info[i].element,
12360           helpanim_info[i].action,
12361           helpanim_info[i].direction,
12362           helpanim_info[i].delay);
12363 #endif
12364 }
12365
12366 void LoadHelpTextInfo(void)
12367 {
12368   char *filename = getHelpTextFilename();
12369   int i;
12370
12371   if (helptext_info != NULL)
12372   {
12373     freeSetupFileHash(helptext_info);
12374     helptext_info = NULL;
12375   }
12376
12377   if (fileExists(filename))
12378     helptext_info = loadSetupFileHash(filename);
12379
12380   if (helptext_info == NULL)
12381   {
12382     // use reliable default values from static configuration
12383     helptext_info = newSetupFileHash();
12384
12385     for (i = 0; helptext_config[i].token; i++)
12386       setHashEntry(helptext_info,
12387                    helptext_config[i].token,
12388                    helptext_config[i].value);
12389   }
12390
12391 #if 0
12392   BEGIN_HASH_ITERATION(helptext_info, itr)
12393   {
12394     Debug("files:LoadHelpTextInfo", "'%s' => '%s'",
12395           HASH_ITERATION_TOKEN(itr), HASH_ITERATION_VALUE(itr));
12396   }
12397   END_HASH_ITERATION(hash, itr)
12398 #endif
12399 }
12400
12401
12402 // ----------------------------------------------------------------------------
12403 // convert levels
12404 // ----------------------------------------------------------------------------
12405
12406 #define MAX_NUM_CONVERT_LEVELS          1000
12407
12408 void ConvertLevels(void)
12409 {
12410   static LevelDirTree *convert_leveldir = NULL;
12411   static int convert_level_nr = -1;
12412   static int num_levels_handled = 0;
12413   static int num_levels_converted = 0;
12414   static boolean levels_failed[MAX_NUM_CONVERT_LEVELS];
12415   int i;
12416
12417   convert_leveldir = getTreeInfoFromIdentifier(leveldir_first,
12418                                                global.convert_leveldir);
12419
12420   if (convert_leveldir == NULL)
12421     Fail("no such level identifier: '%s'", global.convert_leveldir);
12422
12423   leveldir_current = convert_leveldir;
12424
12425   if (global.convert_level_nr != -1)
12426   {
12427     convert_leveldir->first_level = global.convert_level_nr;
12428     convert_leveldir->last_level  = global.convert_level_nr;
12429   }
12430
12431   convert_level_nr = convert_leveldir->first_level;
12432
12433   PrintLine("=", 79);
12434   Print("Converting levels\n");
12435   PrintLine("-", 79);
12436   Print("Level series identifier: '%s'\n", convert_leveldir->identifier);
12437   Print("Level series name:       '%s'\n", convert_leveldir->name);
12438   Print("Level series author:     '%s'\n", convert_leveldir->author);
12439   Print("Number of levels:        %d\n",   convert_leveldir->levels);
12440   PrintLine("=", 79);
12441   Print("\n");
12442
12443   for (i = 0; i < MAX_NUM_CONVERT_LEVELS; i++)
12444     levels_failed[i] = FALSE;
12445
12446   while (convert_level_nr <= convert_leveldir->last_level)
12447   {
12448     char *level_filename;
12449     boolean new_level;
12450
12451     level_nr = convert_level_nr++;
12452
12453     Print("Level %03d: ", level_nr);
12454
12455     LoadLevel(level_nr);
12456     if (level.no_level_file || level.no_valid_file)
12457     {
12458       Print("(no level)\n");
12459       continue;
12460     }
12461
12462     Print("converting level ... ");
12463
12464     level_filename = getDefaultLevelFilename(level_nr);
12465     new_level = !fileExists(level_filename);
12466
12467     if (new_level)
12468     {
12469       SaveLevel(level_nr);
12470
12471       num_levels_converted++;
12472
12473       Print("converted.\n");
12474     }
12475     else
12476     {
12477       if (level_nr >= 0 && level_nr < MAX_NUM_CONVERT_LEVELS)
12478         levels_failed[level_nr] = TRUE;
12479
12480       Print("NOT CONVERTED -- LEVEL ALREADY EXISTS.\n");
12481     }
12482
12483     num_levels_handled++;
12484   }
12485
12486   Print("\n");
12487   PrintLine("=", 79);
12488   Print("Number of levels handled: %d\n", num_levels_handled);
12489   Print("Number of levels converted: %d (%d%%)\n", num_levels_converted,
12490          (num_levels_handled ?
12491           num_levels_converted * 100 / num_levels_handled : 0));
12492   PrintLine("-", 79);
12493   Print("Summary (for automatic parsing by scripts):\n");
12494   Print("LEVELDIR '%s', CONVERTED %d/%d (%d%%)",
12495          convert_leveldir->identifier, num_levels_converted,
12496          num_levels_handled,
12497          (num_levels_handled ?
12498           num_levels_converted * 100 / num_levels_handled : 0));
12499
12500   if (num_levels_handled != num_levels_converted)
12501   {
12502     Print(", FAILED:");
12503     for (i = 0; i < MAX_NUM_CONVERT_LEVELS; i++)
12504       if (levels_failed[i])
12505         Print(" %03d", i);
12506   }
12507
12508   Print("\n");
12509   PrintLine("=", 79);
12510
12511   CloseAllAndExit(0);
12512 }
12513
12514
12515 // ----------------------------------------------------------------------------
12516 // create and save images for use in level sketches (raw BMP format)
12517 // ----------------------------------------------------------------------------
12518
12519 void CreateLevelSketchImages(void)
12520 {
12521   Bitmap *bitmap1;
12522   Bitmap *bitmap2;
12523   int i;
12524
12525   InitElementPropertiesGfxElement();
12526
12527   bitmap1 = CreateBitmap(TILEX, TILEY, DEFAULT_DEPTH);
12528   bitmap2 = CreateBitmap(MINI_TILEX, MINI_TILEY, DEFAULT_DEPTH);
12529
12530   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
12531   {
12532     int element = getMappedElement(i);
12533     char basename1[16];
12534     char basename2[16];
12535     char *filename1;
12536     char *filename2;
12537
12538     sprintf(basename1, "%04d.bmp", i);
12539     sprintf(basename2, "%04ds.bmp", i);
12540
12541     filename1 = getPath2(global.create_images_dir, basename1);
12542     filename2 = getPath2(global.create_images_dir, basename2);
12543
12544     DrawSizedElement(0, 0, element, TILESIZE);
12545     BlitBitmap(drawto, bitmap1, SX, SY, TILEX, TILEY, 0, 0);
12546
12547     if (SDL_SaveBMP(bitmap1->surface, filename1) != 0)
12548       Fail("cannot save level sketch image file '%s'", filename1);
12549
12550     DrawSizedElement(0, 0, element, MINI_TILESIZE);
12551     BlitBitmap(drawto, bitmap2, SX, SY, MINI_TILEX, MINI_TILEY, 0, 0);
12552
12553     if (SDL_SaveBMP(bitmap2->surface, filename2) != 0)
12554       Fail("cannot save level sketch image file '%s'", filename2);
12555
12556     free(filename1);
12557     free(filename2);
12558
12559     // create corresponding SQL statements (for normal and small images)
12560     if (i < 1000)
12561     {
12562       printf("insert into phpbb_words values (NULL, '`%03d', '<IMG class=\"levelsketch\" src=\"/I/%04d.png\"/>');\n", i, i);
12563       printf("insert into phpbb_words values (NULL, '¸%03d', '<IMG class=\"levelsketch\" src=\"/I/%04ds.png\"/>');\n", i, i);
12564     }
12565
12566     printf("insert into phpbb_words values (NULL, '`%04d', '<IMG class=\"levelsketch\" src=\"/I/%04d.png\"/>');\n", i, i);
12567     printf("insert into phpbb_words values (NULL, '¸%04d', '<IMG class=\"levelsketch\" src=\"/I/%04ds.png\"/>');\n", i, i);
12568
12569     // optional: create content for forum level sketch demonstration post
12570     if (options.debug)
12571       fprintf(stderr, "%03d `%03d%c", i, i, (i % 10 < 9 ? ' ' : '\n'));
12572   }
12573
12574   FreeBitmap(bitmap1);
12575   FreeBitmap(bitmap2);
12576
12577   if (options.debug)
12578     fprintf(stderr, "\n");
12579
12580   Info("%d normal and small images created", NUM_FILE_ELEMENTS);
12581
12582   CloseAllAndExit(0);
12583 }
12584
12585
12586 // ----------------------------------------------------------------------------
12587 // create and save images for custom and group elements (raw BMP format)
12588 // ----------------------------------------------------------------------------
12589
12590 void CreateCustomElementImages(char *directory)
12591 {
12592   char *src_basename = "RocksCE-template.ilbm";
12593   char *dst_basename = "RocksCE.bmp";
12594   char *src_filename = getPath2(directory, src_basename);
12595   char *dst_filename = getPath2(directory, dst_basename);
12596   Bitmap *src_bitmap;
12597   Bitmap *bitmap;
12598   int yoffset_ce = 0;
12599   int yoffset_ge = (TILEY * NUM_CUSTOM_ELEMENTS / 16);
12600   int i;
12601
12602   InitVideoDefaults();
12603
12604   ReCreateBitmap(&backbuffer, video.width, video.height);
12605
12606   src_bitmap = LoadImage(src_filename);
12607
12608   bitmap = CreateBitmap(TILEX * 16 * 2,
12609                         TILEY * (NUM_CUSTOM_ELEMENTS + NUM_GROUP_ELEMENTS) / 16,
12610                         DEFAULT_DEPTH);
12611
12612   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
12613   {
12614     int x = i % 16;
12615     int y = i / 16;
12616     int ii = i + 1;
12617     int j;
12618
12619     BlitBitmap(src_bitmap, bitmap, 0, 0, TILEX, TILEY,
12620                TILEX * x, TILEY * y + yoffset_ce);
12621
12622     BlitBitmap(src_bitmap, bitmap, 0, TILEY,
12623                TILEX, TILEY,
12624                TILEX * x + TILEX * 16,
12625                TILEY * y + yoffset_ce);
12626
12627     for (j = 2; j >= 0; j--)
12628     {
12629       int c = ii % 10;
12630
12631       BlitBitmap(src_bitmap, bitmap,
12632                  TILEX + c * 7, 0, 6, 10,
12633                  TILEX * x + 6 + j * 7,
12634                  TILEY * y + 11 + yoffset_ce);
12635
12636       BlitBitmap(src_bitmap, bitmap,
12637                  TILEX + c * 8, TILEY, 6, 10,
12638                  TILEX * 16 + TILEX * x + 6 + j * 8,
12639                  TILEY * y + 10 + yoffset_ce);
12640
12641       ii /= 10;
12642     }
12643   }
12644
12645   for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
12646   {
12647     int x = i % 16;
12648     int y = i / 16;
12649     int ii = i + 1;
12650     int j;
12651
12652     BlitBitmap(src_bitmap, bitmap, 0, 0, TILEX, TILEY,
12653                TILEX * x, TILEY * y + yoffset_ge);
12654
12655     BlitBitmap(src_bitmap, bitmap, 0, TILEY,
12656                TILEX, TILEY,
12657                TILEX * x + TILEX * 16,
12658                TILEY * y + yoffset_ge);
12659
12660     for (j = 1; j >= 0; j--)
12661     {
12662       int c = ii % 10;
12663
12664       BlitBitmap(src_bitmap, bitmap, TILEX + c * 10, 11, 10, 10,
12665                  TILEX * x + 6 + j * 10,
12666                  TILEY * y + 11 + yoffset_ge);
12667
12668       BlitBitmap(src_bitmap, bitmap,
12669                  TILEX + c * 8, TILEY + 12, 6, 10,
12670                  TILEX * 16 + TILEX * x + 10 + j * 8,
12671                  TILEY * y + 10 + yoffset_ge);
12672
12673       ii /= 10;
12674     }
12675   }
12676
12677   if (SDL_SaveBMP(bitmap->surface, dst_filename) != 0)
12678     Fail("cannot save CE graphics file '%s'", dst_filename);
12679
12680   FreeBitmap(bitmap);
12681
12682   CloseAllAndExit(0);
12683 }