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   // set mouse click change events to work for left/middle/right mouse button
6615   if (level->game_version < VERSION_IDENT(4,2,3,0))
6616   {
6617     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6618     {
6619       int element = EL_CUSTOM_START + i;
6620       struct ElementInfo *ei = &element_info[element];
6621
6622       for (j = 0; j < ei->num_change_pages; j++)
6623       {
6624         struct ElementChangeInfo *change = &ei->change_page[j];
6625
6626         if (change->has_event[CE_CLICKED_BY_MOUSE] ||
6627             change->has_event[CE_PRESSED_BY_MOUSE] ||
6628             change->has_event[CE_MOUSE_CLICKED_ON_X] ||
6629             change->has_event[CE_MOUSE_PRESSED_ON_X])
6630           change->trigger_side = CH_SIDE_ANY;
6631       }
6632     }
6633   }
6634 }
6635
6636 static void LoadLevel_InitElements(struct LevelInfo *level)
6637 {
6638   LoadLevel_InitStandardElements(level);
6639
6640   if (level->file_has_custom_elements)
6641     LoadLevel_InitCustomElements(level);
6642
6643   // initialize element properties for level editor etc.
6644   InitElementPropertiesEngine(level->game_version);
6645   InitElementPropertiesGfxElement();
6646 }
6647
6648 static void LoadLevel_InitPlayfield(struct LevelInfo *level)
6649 {
6650   int x, y;
6651
6652   // map elements that have changed in newer versions
6653   for (y = 0; y < level->fieldy; y++)
6654     for (x = 0; x < level->fieldx; x++)
6655       level->field[x][y] = getMappedElementByVersion(level->field[x][y],
6656                                                      level->game_version);
6657
6658   // clear unused playfield data (nicer if level gets resized in editor)
6659   for (x = 0; x < MAX_LEV_FIELDX; x++)
6660     for (y = 0; y < MAX_LEV_FIELDY; y++)
6661       if (x >= level->fieldx || y >= level->fieldy)
6662         level->field[x][y] = EL_EMPTY;
6663
6664   // copy elements to runtime playfield array
6665   for (x = 0; x < MAX_LEV_FIELDX; x++)
6666     for (y = 0; y < MAX_LEV_FIELDY; y++)
6667       Tile[x][y] = level->field[x][y];
6668
6669   // initialize level size variables for faster access
6670   lev_fieldx = level->fieldx;
6671   lev_fieldy = level->fieldy;
6672
6673   // determine border element for this level
6674   if (level->file_info.type == LEVEL_FILE_TYPE_DC)
6675     BorderElement = EL_EMPTY;   // (in editor, SetBorderElement() is used)
6676   else
6677     SetBorderElement();
6678 }
6679
6680 static void LoadLevel_InitNativeEngines(struct LevelInfo *level)
6681 {
6682   struct LevelFileInfo *level_file_info = &level->file_info;
6683
6684   if (level_file_info->type == LEVEL_FILE_TYPE_RND)
6685     CopyNativeLevel_RND_to_Native(level);
6686 }
6687
6688 static void LoadLevelTemplate_LoadAndInit(void)
6689 {
6690   LoadLevelFromFileInfo(&level_template, &level_template.file_info, FALSE);
6691
6692   LoadLevel_InitVersion(&level_template);
6693   LoadLevel_InitElements(&level_template);
6694
6695   ActivateLevelTemplate();
6696 }
6697
6698 void LoadLevelTemplate(int nr)
6699 {
6700   if (!fileExists(getGlobalLevelTemplateFilename()))
6701   {
6702     Warn("no level template found for this level");
6703
6704     return;
6705   }
6706
6707   setLevelFileInfo(&level_template.file_info, nr);
6708
6709   LoadLevelTemplate_LoadAndInit();
6710 }
6711
6712 static void LoadNetworkLevelTemplate(struct NetworkLevelInfo *network_level)
6713 {
6714   copyLevelFileInfo(&network_level->tmpl_info, &level_template.file_info);
6715
6716   LoadLevelTemplate_LoadAndInit();
6717 }
6718
6719 static void LoadLevel_LoadAndInit(struct NetworkLevelInfo *network_level)
6720 {
6721   LoadLevelFromFileInfo(&level, &level.file_info, FALSE);
6722
6723   if (level.use_custom_template)
6724   {
6725     if (network_level != NULL)
6726       LoadNetworkLevelTemplate(network_level);
6727     else
6728       LoadLevelTemplate(-1);
6729   }
6730
6731   LoadLevel_InitVersion(&level);
6732   LoadLevel_InitElements(&level);
6733   LoadLevel_InitPlayfield(&level);
6734
6735   LoadLevel_InitNativeEngines(&level);
6736 }
6737
6738 void LoadLevel(int nr)
6739 {
6740   SetLevelSetInfo(leveldir_current->identifier, nr);
6741
6742   setLevelFileInfo(&level.file_info, nr);
6743
6744   LoadLevel_LoadAndInit(NULL);
6745 }
6746
6747 void LoadLevelInfoOnly(int nr)
6748 {
6749   setLevelFileInfo(&level.file_info, nr);
6750
6751   LoadLevelFromFileInfo(&level, &level.file_info, TRUE);
6752 }
6753
6754 void LoadNetworkLevel(struct NetworkLevelInfo *network_level)
6755 {
6756   SetLevelSetInfo(network_level->leveldir_identifier,
6757                   network_level->file_info.nr);
6758
6759   copyLevelFileInfo(&network_level->file_info, &level.file_info);
6760
6761   LoadLevel_LoadAndInit(network_level);
6762 }
6763
6764 static int SaveLevel_VERS(FILE *file, struct LevelInfo *level)
6765 {
6766   int chunk_size = 0;
6767
6768   chunk_size += putFileVersion(file, level->file_version);
6769   chunk_size += putFileVersion(file, level->game_version);
6770
6771   return chunk_size;
6772 }
6773
6774 static int SaveLevel_DATE(FILE *file, struct LevelInfo *level)
6775 {
6776   int chunk_size = 0;
6777
6778   chunk_size += putFile16BitBE(file, level->creation_date.year);
6779   chunk_size += putFile8Bit(file,    level->creation_date.month);
6780   chunk_size += putFile8Bit(file,    level->creation_date.day);
6781
6782   return chunk_size;
6783 }
6784
6785 #if ENABLE_HISTORIC_CHUNKS
6786 static void SaveLevel_HEAD(FILE *file, struct LevelInfo *level)
6787 {
6788   int i, x, y;
6789
6790   putFile8Bit(file, level->fieldx);
6791   putFile8Bit(file, level->fieldy);
6792
6793   putFile16BitBE(file, level->time);
6794   putFile16BitBE(file, level->gems_needed);
6795
6796   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
6797     putFile8Bit(file, level->name[i]);
6798
6799   for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
6800     putFile8Bit(file, level->score[i]);
6801
6802   for (i = 0; i < STD_ELEMENT_CONTENTS; i++)
6803     for (y = 0; y < 3; y++)
6804       for (x = 0; x < 3; x++)
6805         putFile8Bit(file, (level->encoding_16bit_yamyam ? EL_EMPTY :
6806                            level->yamyam_content[i].e[x][y]));
6807   putFile8Bit(file, level->amoeba_speed);
6808   putFile8Bit(file, level->time_magic_wall);
6809   putFile8Bit(file, level->time_wheel);
6810   putFile8Bit(file, (level->encoding_16bit_amoeba ? EL_EMPTY :
6811                      level->amoeba_content));
6812   putFile8Bit(file, (level->initial_player_stepsize == STEPSIZE_FAST ? 1 : 0));
6813   putFile8Bit(file, (level->initial_gravity ? 1 : 0));
6814   putFile8Bit(file, (level->encoding_16bit_field ? 1 : 0));
6815   putFile8Bit(file, (level->em_slippery_gems ? 1 : 0));
6816
6817   putFile8Bit(file, (level->use_custom_template ? 1 : 0));
6818
6819   putFile8Bit(file, (level->block_last_field ? 1 : 0));
6820   putFile8Bit(file, (level->sp_block_last_field ? 1 : 0));
6821   putFile32BitBE(file, level->can_move_into_acid_bits);
6822   putFile8Bit(file, level->dont_collide_with_bits);
6823
6824   putFile8Bit(file, (level->use_spring_bug ? 1 : 0));
6825   putFile8Bit(file, (level->use_step_counter ? 1 : 0));
6826
6827   putFile8Bit(file, (level->instant_relocation ? 1 : 0));
6828   putFile8Bit(file, (level->can_pass_to_walkable ? 1 : 0));
6829   putFile8Bit(file, (level->grow_into_diggable ? 1 : 0));
6830
6831   putFile8Bit(file, level->game_engine_type);
6832
6833   WriteUnusedBytesToFile(file, LEVEL_CHUNK_HEAD_UNUSED);
6834 }
6835 #endif
6836
6837 static int SaveLevel_NAME(FILE *file, struct LevelInfo *level)
6838 {
6839   int chunk_size = 0;
6840   int i;
6841
6842   for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
6843     chunk_size += putFile8Bit(file, level->name[i]);
6844
6845   return chunk_size;
6846 }
6847
6848 static int SaveLevel_AUTH(FILE *file, struct LevelInfo *level)
6849 {
6850   int chunk_size = 0;
6851   int i;
6852
6853   for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++)
6854     chunk_size += putFile8Bit(file, level->author[i]);
6855
6856   return chunk_size;
6857 }
6858
6859 #if ENABLE_HISTORIC_CHUNKS
6860 static int SaveLevel_BODY(FILE *file, struct LevelInfo *level)
6861 {
6862   int chunk_size = 0;
6863   int x, y;
6864
6865   for (y = 0; y < level->fieldy; y++)
6866     for (x = 0; x < level->fieldx; x++)
6867       if (level->encoding_16bit_field)
6868         chunk_size += putFile16BitBE(file, level->field[x][y]);
6869       else
6870         chunk_size += putFile8Bit(file, level->field[x][y]);
6871
6872   return chunk_size;
6873 }
6874 #endif
6875
6876 static int SaveLevel_BODY(FILE *file, struct LevelInfo *level)
6877 {
6878   int chunk_size = 0;
6879   int x, y;
6880
6881   for (y = 0; y < level->fieldy; y++)
6882     for (x = 0; x < level->fieldx; x++)
6883       chunk_size += putFile16BitBE(file, level->field[x][y]);
6884
6885   return chunk_size;
6886 }
6887
6888 #if ENABLE_HISTORIC_CHUNKS
6889 static void SaveLevel_CONT(FILE *file, struct LevelInfo *level)
6890 {
6891   int i, x, y;
6892
6893   putFile8Bit(file, EL_YAMYAM);
6894   putFile8Bit(file, level->num_yamyam_contents);
6895   putFile8Bit(file, 0);
6896   putFile8Bit(file, 0);
6897
6898   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6899     for (y = 0; y < 3; y++)
6900       for (x = 0; x < 3; x++)
6901         if (level->encoding_16bit_field)
6902           putFile16BitBE(file, level->yamyam_content[i].e[x][y]);
6903         else
6904           putFile8Bit(file, level->yamyam_content[i].e[x][y]);
6905 }
6906 #endif
6907
6908 #if ENABLE_HISTORIC_CHUNKS
6909 static void SaveLevel_CNT2(FILE *file, struct LevelInfo *level, int element)
6910 {
6911   int i, x, y;
6912   int num_contents, content_xsize, content_ysize;
6913   int content_array[MAX_ELEMENT_CONTENTS][3][3];
6914
6915   if (element == EL_YAMYAM)
6916   {
6917     num_contents = level->num_yamyam_contents;
6918     content_xsize = 3;
6919     content_ysize = 3;
6920
6921     for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6922       for (y = 0; y < 3; y++)
6923         for (x = 0; x < 3; x++)
6924           content_array[i][x][y] = level->yamyam_content[i].e[x][y];
6925   }
6926   else if (element == EL_BD_AMOEBA)
6927   {
6928     num_contents = 1;
6929     content_xsize = 1;
6930     content_ysize = 1;
6931
6932     for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6933       for (y = 0; y < 3; y++)
6934         for (x = 0; x < 3; x++)
6935           content_array[i][x][y] = EL_EMPTY;
6936     content_array[0][0][0] = level->amoeba_content;
6937   }
6938   else
6939   {
6940     // chunk header already written -- write empty chunk data
6941     WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT2_SIZE);
6942
6943     Warn("cannot save content for element '%d'", element);
6944
6945     return;
6946   }
6947
6948   putFile16BitBE(file, element);
6949   putFile8Bit(file, num_contents);
6950   putFile8Bit(file, content_xsize);
6951   putFile8Bit(file, content_ysize);
6952
6953   WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT2_UNUSED);
6954
6955   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6956     for (y = 0; y < 3; y++)
6957       for (x = 0; x < 3; x++)
6958         putFile16BitBE(file, content_array[i][x][y]);
6959 }
6960 #endif
6961
6962 #if ENABLE_HISTORIC_CHUNKS
6963 static int SaveLevel_CNT3(FILE *file, struct LevelInfo *level, int element)
6964 {
6965   int envelope_nr = element - EL_ENVELOPE_1;
6966   int envelope_len = strlen(level->envelope_text[envelope_nr]) + 1;
6967   int chunk_size = 0;
6968   int i;
6969
6970   chunk_size += putFile16BitBE(file, element);
6971   chunk_size += putFile16BitBE(file, envelope_len);
6972   chunk_size += putFile8Bit(file, level->envelope_xsize[envelope_nr]);
6973   chunk_size += putFile8Bit(file, level->envelope_ysize[envelope_nr]);
6974
6975   WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT3_UNUSED);
6976   chunk_size += LEVEL_CHUNK_CNT3_UNUSED;
6977
6978   for (i = 0; i < envelope_len; i++)
6979     chunk_size += putFile8Bit(file, level->envelope_text[envelope_nr][i]);
6980
6981   return chunk_size;
6982 }
6983 #endif
6984
6985 #if ENABLE_HISTORIC_CHUNKS
6986 static void SaveLevel_CUS1(FILE *file, struct LevelInfo *level,
6987                            int num_changed_custom_elements)
6988 {
6989   int i, check = 0;
6990
6991   putFile16BitBE(file, num_changed_custom_elements);
6992
6993   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
6994   {
6995     int element = EL_CUSTOM_START + i;
6996
6997     struct ElementInfo *ei = &element_info[element];
6998
6999     if (ei->properties[EP_BITFIELD_BASE_NR] != EP_BITMASK_DEFAULT)
7000     {
7001       if (check < num_changed_custom_elements)
7002       {
7003         putFile16BitBE(file, element);
7004         putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
7005       }
7006
7007       check++;
7008     }
7009   }
7010
7011   if (check != num_changed_custom_elements)     // should not happen
7012     Warn("inconsistent number of custom element properties");
7013 }
7014 #endif
7015
7016 #if ENABLE_HISTORIC_CHUNKS
7017 static void SaveLevel_CUS2(FILE *file, struct LevelInfo *level,
7018                            int num_changed_custom_elements)
7019 {
7020   int i, check = 0;
7021
7022   putFile16BitBE(file, num_changed_custom_elements);
7023
7024   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
7025   {
7026     int element = EL_CUSTOM_START + i;
7027
7028     if (element_info[element].change->target_element != EL_EMPTY_SPACE)
7029     {
7030       if (check < num_changed_custom_elements)
7031       {
7032         putFile16BitBE(file, element);
7033         putFile16BitBE(file, element_info[element].change->target_element);
7034       }
7035
7036       check++;
7037     }
7038   }
7039
7040   if (check != num_changed_custom_elements)     // should not happen
7041     Warn("inconsistent number of custom target elements");
7042 }
7043 #endif
7044
7045 #if ENABLE_HISTORIC_CHUNKS
7046 static void SaveLevel_CUS3(FILE *file, struct LevelInfo *level,
7047                            int num_changed_custom_elements)
7048 {
7049   int i, j, x, y, check = 0;
7050
7051   putFile16BitBE(file, num_changed_custom_elements);
7052
7053   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
7054   {
7055     int element = EL_CUSTOM_START + i;
7056     struct ElementInfo *ei = &element_info[element];
7057
7058     if (ei->modified_settings)
7059     {
7060       if (check < num_changed_custom_elements)
7061       {
7062         putFile16BitBE(file, element);
7063
7064         for (j = 0; j < MAX_ELEMENT_NAME_LEN; j++)
7065           putFile8Bit(file, ei->description[j]);
7066
7067         putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
7068
7069         // some free bytes for future properties and padding
7070         WriteUnusedBytesToFile(file, 7);
7071
7072         putFile8Bit(file, ei->use_gfx_element);
7073         putFile16BitBE(file, ei->gfx_element_initial);
7074
7075         putFile8Bit(file, ei->collect_score_initial);
7076         putFile8Bit(file, ei->collect_count_initial);
7077
7078         putFile16BitBE(file, ei->push_delay_fixed);
7079         putFile16BitBE(file, ei->push_delay_random);
7080         putFile16BitBE(file, ei->move_delay_fixed);
7081         putFile16BitBE(file, ei->move_delay_random);
7082
7083         putFile16BitBE(file, ei->move_pattern);
7084         putFile8Bit(file, ei->move_direction_initial);
7085         putFile8Bit(file, ei->move_stepsize);
7086
7087         for (y = 0; y < 3; y++)
7088           for (x = 0; x < 3; x++)
7089             putFile16BitBE(file, ei->content.e[x][y]);
7090
7091         putFile32BitBE(file, ei->change->events);
7092
7093         putFile16BitBE(file, ei->change->target_element);
7094
7095         putFile16BitBE(file, ei->change->delay_fixed);
7096         putFile16BitBE(file, ei->change->delay_random);
7097         putFile16BitBE(file, ei->change->delay_frames);
7098
7099         putFile16BitBE(file, ei->change->initial_trigger_element);
7100
7101         putFile8Bit(file, ei->change->explode);
7102         putFile8Bit(file, ei->change->use_target_content);
7103         putFile8Bit(file, ei->change->only_if_complete);
7104         putFile8Bit(file, ei->change->use_random_replace);
7105
7106         putFile8Bit(file, ei->change->random_percentage);
7107         putFile8Bit(file, ei->change->replace_when);
7108
7109         for (y = 0; y < 3; y++)
7110           for (x = 0; x < 3; x++)
7111             putFile16BitBE(file, ei->change->content.e[x][y]);
7112
7113         putFile8Bit(file, ei->slippery_type);
7114
7115         // some free bytes for future properties and padding
7116         WriteUnusedBytesToFile(file, LEVEL_CPART_CUS3_UNUSED);
7117       }
7118
7119       check++;
7120     }
7121   }
7122
7123   if (check != num_changed_custom_elements)     // should not happen
7124     Warn("inconsistent number of custom element properties");
7125 }
7126 #endif
7127
7128 #if ENABLE_HISTORIC_CHUNKS
7129 static void SaveLevel_CUS4(FILE *file, struct LevelInfo *level, int element)
7130 {
7131   struct ElementInfo *ei = &element_info[element];
7132   int i, j, x, y;
7133
7134   // ---------- custom element base property values (96 bytes) ----------------
7135
7136   putFile16BitBE(file, element);
7137
7138   for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
7139     putFile8Bit(file, ei->description[i]);
7140
7141   putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
7142
7143   WriteUnusedBytesToFile(file, 4);      // reserved for more base properties
7144
7145   putFile8Bit(file, ei->num_change_pages);
7146
7147   putFile16BitBE(file, ei->ce_value_fixed_initial);
7148   putFile16BitBE(file, ei->ce_value_random_initial);
7149   putFile8Bit(file, ei->use_last_ce_value);
7150
7151   putFile8Bit(file, ei->use_gfx_element);
7152   putFile16BitBE(file, ei->gfx_element_initial);
7153
7154   putFile8Bit(file, ei->collect_score_initial);
7155   putFile8Bit(file, ei->collect_count_initial);
7156
7157   putFile8Bit(file, ei->drop_delay_fixed);
7158   putFile8Bit(file, ei->push_delay_fixed);
7159   putFile8Bit(file, ei->drop_delay_random);
7160   putFile8Bit(file, ei->push_delay_random);
7161   putFile16BitBE(file, ei->move_delay_fixed);
7162   putFile16BitBE(file, ei->move_delay_random);
7163
7164   // bits 0 - 15 of "move_pattern" ...
7165   putFile16BitBE(file, ei->move_pattern & 0xffff);
7166   putFile8Bit(file, ei->move_direction_initial);
7167   putFile8Bit(file, ei->move_stepsize);
7168
7169   putFile8Bit(file, ei->slippery_type);
7170
7171   for (y = 0; y < 3; y++)
7172     for (x = 0; x < 3; x++)
7173       putFile16BitBE(file, ei->content.e[x][y]);
7174
7175   putFile16BitBE(file, ei->move_enter_element);
7176   putFile16BitBE(file, ei->move_leave_element);
7177   putFile8Bit(file, ei->move_leave_type);
7178
7179   // ... bits 16 - 31 of "move_pattern" (not nice, but downward compatible)
7180   putFile16BitBE(file, (ei->move_pattern >> 16) & 0xffff);
7181
7182   putFile8Bit(file, ei->access_direction);
7183
7184   putFile8Bit(file, ei->explosion_delay);
7185   putFile8Bit(file, ei->ignition_delay);
7186   putFile8Bit(file, ei->explosion_type);
7187
7188   // some free bytes for future custom property values and padding
7189   WriteUnusedBytesToFile(file, 1);
7190
7191   // ---------- change page property values (48 bytes) ------------------------
7192
7193   for (i = 0; i < ei->num_change_pages; i++)
7194   {
7195     struct ElementChangeInfo *change = &ei->change_page[i];
7196     unsigned int event_bits;
7197
7198     // bits 0 - 31 of "has_event[]" ...
7199     event_bits = 0;
7200     for (j = 0; j < MIN(NUM_CHANGE_EVENTS, 32); j++)
7201       if (change->has_event[j])
7202         event_bits |= (1 << j);
7203     putFile32BitBE(file, event_bits);
7204
7205     putFile16BitBE(file, change->target_element);
7206
7207     putFile16BitBE(file, change->delay_fixed);
7208     putFile16BitBE(file, change->delay_random);
7209     putFile16BitBE(file, change->delay_frames);
7210
7211     putFile16BitBE(file, change->initial_trigger_element);
7212
7213     putFile8Bit(file, change->explode);
7214     putFile8Bit(file, change->use_target_content);
7215     putFile8Bit(file, change->only_if_complete);
7216     putFile8Bit(file, change->use_random_replace);
7217
7218     putFile8Bit(file, change->random_percentage);
7219     putFile8Bit(file, change->replace_when);
7220
7221     for (y = 0; y < 3; y++)
7222       for (x = 0; x < 3; x++)
7223         putFile16BitBE(file, change->target_content.e[x][y]);
7224
7225     putFile8Bit(file, change->can_change);
7226
7227     putFile8Bit(file, change->trigger_side);
7228
7229     putFile8Bit(file, change->trigger_player);
7230     putFile8Bit(file, (change->trigger_page == CH_PAGE_ANY ? CH_PAGE_ANY_FILE :
7231                        log_2(change->trigger_page)));
7232
7233     putFile8Bit(file, change->has_action);
7234     putFile8Bit(file, change->action_type);
7235     putFile8Bit(file, change->action_mode);
7236     putFile16BitBE(file, change->action_arg);
7237
7238     // ... bits 32 - 39 of "has_event[]" (not nice, but downward compatible)
7239     event_bits = 0;
7240     for (j = 32; j < NUM_CHANGE_EVENTS; j++)
7241       if (change->has_event[j])
7242         event_bits |= (1 << (j - 32));
7243     putFile8Bit(file, event_bits);
7244   }
7245 }
7246 #endif
7247
7248 #if ENABLE_HISTORIC_CHUNKS
7249 static void SaveLevel_GRP1(FILE *file, struct LevelInfo *level, int element)
7250 {
7251   struct ElementInfo *ei = &element_info[element];
7252   struct ElementGroupInfo *group = ei->group;
7253   int i;
7254
7255   putFile16BitBE(file, element);
7256
7257   for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
7258     putFile8Bit(file, ei->description[i]);
7259
7260   putFile8Bit(file, group->num_elements);
7261
7262   putFile8Bit(file, ei->use_gfx_element);
7263   putFile16BitBE(file, ei->gfx_element_initial);
7264
7265   putFile8Bit(file, group->choice_mode);
7266
7267   // some free bytes for future values and padding
7268   WriteUnusedBytesToFile(file, 3);
7269
7270   for (i = 0; i < MAX_ELEMENTS_IN_GROUP; i++)
7271     putFile16BitBE(file, group->element[i]);
7272 }
7273 #endif
7274
7275 static int SaveLevel_MicroChunk(FILE *file, struct LevelFileConfigInfo *entry,
7276                                 boolean write_element)
7277 {
7278   int save_type = entry->save_type;
7279   int data_type = entry->data_type;
7280   int conf_type = entry->conf_type;
7281   int byte_mask = conf_type & CONF_MASK_BYTES;
7282   int element = entry->element;
7283   int default_value = entry->default_value;
7284   int num_bytes = 0;
7285   boolean modified = FALSE;
7286
7287   if (byte_mask != CONF_MASK_MULTI_BYTES)
7288   {
7289     void *value_ptr = entry->value;
7290     int value = (data_type == TYPE_BOOLEAN ? *(boolean *)value_ptr :
7291                  *(int *)value_ptr);
7292
7293     // check if any settings have been modified before saving them
7294     if (value != default_value)
7295       modified = TRUE;
7296
7297     // do not save if explicitly told or if unmodified default settings
7298     if ((save_type == SAVE_CONF_NEVER) ||
7299         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7300       return 0;
7301
7302     if (write_element)
7303       num_bytes += putFile16BitBE(file, element);
7304
7305     num_bytes += putFile8Bit(file, conf_type);
7306     num_bytes += (byte_mask == CONF_MASK_1_BYTE ? putFile8Bit   (file, value) :
7307                   byte_mask == CONF_MASK_2_BYTE ? putFile16BitBE(file, value) :
7308                   byte_mask == CONF_MASK_4_BYTE ? putFile32BitBE(file, value) :
7309                   0);
7310   }
7311   else if (data_type == TYPE_STRING)
7312   {
7313     char *default_string = entry->default_string;
7314     char *string = (char *)(entry->value);
7315     int string_length = strlen(string);
7316     int i;
7317
7318     // check if any settings have been modified before saving them
7319     if (!strEqual(string, default_string))
7320       modified = TRUE;
7321
7322     // do not save if explicitly told or if unmodified default settings
7323     if ((save_type == SAVE_CONF_NEVER) ||
7324         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7325       return 0;
7326
7327     if (write_element)
7328       num_bytes += putFile16BitBE(file, element);
7329
7330     num_bytes += putFile8Bit(file, conf_type);
7331     num_bytes += putFile16BitBE(file, string_length);
7332
7333     for (i = 0; i < string_length; i++)
7334       num_bytes += putFile8Bit(file, string[i]);
7335   }
7336   else if (data_type == TYPE_ELEMENT_LIST)
7337   {
7338     int *element_array = (int *)(entry->value);
7339     int num_elements = *(int *)(entry->num_entities);
7340     int i;
7341
7342     // check if any settings have been modified before saving them
7343     for (i = 0; i < num_elements; i++)
7344       if (element_array[i] != default_value)
7345         modified = TRUE;
7346
7347     // do not save if explicitly told or if unmodified default settings
7348     if ((save_type == SAVE_CONF_NEVER) ||
7349         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7350       return 0;
7351
7352     if (write_element)
7353       num_bytes += putFile16BitBE(file, element);
7354
7355     num_bytes += putFile8Bit(file, conf_type);
7356     num_bytes += putFile16BitBE(file, num_elements * CONF_ELEMENT_NUM_BYTES);
7357
7358     for (i = 0; i < num_elements; i++)
7359       num_bytes += putFile16BitBE(file, element_array[i]);
7360   }
7361   else if (data_type == TYPE_CONTENT_LIST)
7362   {
7363     struct Content *content = (struct Content *)(entry->value);
7364     int num_contents = *(int *)(entry->num_entities);
7365     int i, x, y;
7366
7367     // check if any settings have been modified before saving them
7368     for (i = 0; i < num_contents; i++)
7369       for (y = 0; y < 3; y++)
7370         for (x = 0; x < 3; x++)
7371           if (content[i].e[x][y] != default_value)
7372             modified = TRUE;
7373
7374     // do not save if explicitly told or if unmodified default settings
7375     if ((save_type == SAVE_CONF_NEVER) ||
7376         (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
7377       return 0;
7378
7379     if (write_element)
7380       num_bytes += putFile16BitBE(file, element);
7381
7382     num_bytes += putFile8Bit(file, conf_type);
7383     num_bytes += putFile16BitBE(file, num_contents * CONF_CONTENT_NUM_BYTES);
7384
7385     for (i = 0; i < num_contents; i++)
7386       for (y = 0; y < 3; y++)
7387         for (x = 0; x < 3; x++)
7388           num_bytes += putFile16BitBE(file, content[i].e[x][y]);
7389   }
7390
7391   return num_bytes;
7392 }
7393
7394 static int SaveLevel_INFO(FILE *file, struct LevelInfo *level)
7395 {
7396   int chunk_size = 0;
7397   int i;
7398
7399   li = *level;          // copy level data into temporary buffer
7400
7401   for (i = 0; chunk_config_INFO[i].data_type != -1; i++)
7402     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_INFO[i], FALSE);
7403
7404   return chunk_size;
7405 }
7406
7407 static int SaveLevel_ELEM(FILE *file, struct LevelInfo *level)
7408 {
7409   int chunk_size = 0;
7410   int i;
7411
7412   li = *level;          // copy level data into temporary buffer
7413
7414   for (i = 0; chunk_config_ELEM[i].data_type != -1; i++)
7415     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_ELEM[i], TRUE);
7416
7417   return chunk_size;
7418 }
7419
7420 static int SaveLevel_NOTE(FILE *file, struct LevelInfo *level, int element)
7421 {
7422   int envelope_nr = element - EL_ENVELOPE_1;
7423   int chunk_size = 0;
7424   int i;
7425
7426   chunk_size += putFile16BitBE(file, element);
7427
7428   // copy envelope data into temporary buffer
7429   xx_envelope = level->envelope[envelope_nr];
7430
7431   for (i = 0; chunk_config_NOTE[i].data_type != -1; i++)
7432     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_NOTE[i], FALSE);
7433
7434   return chunk_size;
7435 }
7436
7437 static int SaveLevel_CUSX(FILE *file, struct LevelInfo *level, int element)
7438 {
7439   struct ElementInfo *ei = &element_info[element];
7440   int chunk_size = 0;
7441   int i, j;
7442
7443   chunk_size += putFile16BitBE(file, element);
7444
7445   xx_ei = *ei;          // copy element data into temporary buffer
7446
7447   // set default description string for this specific element
7448   strcpy(xx_default_description, getDefaultElementDescription(ei));
7449
7450   for (i = 0; chunk_config_CUSX_base[i].data_type != -1; i++)
7451     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_CUSX_base[i], FALSE);
7452
7453   for (i = 0; i < ei->num_change_pages; i++)
7454   {
7455     struct ElementChangeInfo *change = &ei->change_page[i];
7456
7457     xx_current_change_page = i;
7458
7459     xx_change = *change;        // copy change data into temporary buffer
7460
7461     resetEventBits();
7462     setEventBitsFromEventFlags(change);
7463
7464     for (j = 0; chunk_config_CUSX_change[j].data_type != -1; j++)
7465       chunk_size += SaveLevel_MicroChunk(file, &chunk_config_CUSX_change[j],
7466                                          FALSE);
7467   }
7468
7469   return chunk_size;
7470 }
7471
7472 static int SaveLevel_GRPX(FILE *file, struct LevelInfo *level, int element)
7473 {
7474   struct ElementInfo *ei = &element_info[element];
7475   struct ElementGroupInfo *group = ei->group;
7476   int chunk_size = 0;
7477   int i;
7478
7479   chunk_size += putFile16BitBE(file, element);
7480
7481   xx_ei = *ei;          // copy element data into temporary buffer
7482   xx_group = *group;    // copy group data into temporary buffer
7483
7484   // set default description string for this specific element
7485   strcpy(xx_default_description, getDefaultElementDescription(ei));
7486
7487   for (i = 0; chunk_config_GRPX[i].data_type != -1; i++)
7488     chunk_size += SaveLevel_MicroChunk(file, &chunk_config_GRPX[i], FALSE);
7489
7490   return chunk_size;
7491 }
7492
7493 static void SaveLevelFromFilename(struct LevelInfo *level, char *filename,
7494                                   boolean save_as_template)
7495 {
7496   int chunk_size;
7497   int i;
7498   FILE *file;
7499
7500   if (!(file = fopen(filename, MODE_WRITE)))
7501   {
7502     Warn("cannot save level file '%s'", filename);
7503
7504     return;
7505   }
7506
7507   level->file_version = FILE_VERSION_ACTUAL;
7508   level->game_version = GAME_VERSION_ACTUAL;
7509
7510   level->creation_date = getCurrentDate();
7511
7512   putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
7513   putFileChunkBE(file, "CAVE", CHUNK_SIZE_NONE);
7514
7515   chunk_size = SaveLevel_VERS(NULL, level);
7516   putFileChunkBE(file, "VERS", chunk_size);
7517   SaveLevel_VERS(file, level);
7518
7519   chunk_size = SaveLevel_DATE(NULL, level);
7520   putFileChunkBE(file, "DATE", chunk_size);
7521   SaveLevel_DATE(file, level);
7522
7523   chunk_size = SaveLevel_NAME(NULL, level);
7524   putFileChunkBE(file, "NAME", chunk_size);
7525   SaveLevel_NAME(file, level);
7526
7527   chunk_size = SaveLevel_AUTH(NULL, level);
7528   putFileChunkBE(file, "AUTH", chunk_size);
7529   SaveLevel_AUTH(file, level);
7530
7531   chunk_size = SaveLevel_INFO(NULL, level);
7532   putFileChunkBE(file, "INFO", chunk_size);
7533   SaveLevel_INFO(file, level);
7534
7535   chunk_size = SaveLevel_BODY(NULL, level);
7536   putFileChunkBE(file, "BODY", chunk_size);
7537   SaveLevel_BODY(file, level);
7538
7539   chunk_size = SaveLevel_ELEM(NULL, level);
7540   if (chunk_size > LEVEL_CHUNK_ELEM_UNCHANGED)          // save if changed
7541   {
7542     putFileChunkBE(file, "ELEM", chunk_size);
7543     SaveLevel_ELEM(file, level);
7544   }
7545
7546   for (i = 0; i < NUM_ENVELOPES; i++)
7547   {
7548     int element = EL_ENVELOPE_1 + i;
7549
7550     chunk_size = SaveLevel_NOTE(NULL, level, element);
7551     if (chunk_size > LEVEL_CHUNK_NOTE_UNCHANGED)        // save if changed
7552     {
7553       putFileChunkBE(file, "NOTE", chunk_size);
7554       SaveLevel_NOTE(file, level, element);
7555     }
7556   }
7557
7558   // if not using template level, check for non-default custom/group elements
7559   if (!level->use_custom_template || save_as_template)
7560   {
7561     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
7562     {
7563       int element = EL_CUSTOM_START + i;
7564
7565       chunk_size = SaveLevel_CUSX(NULL, level, element);
7566       if (chunk_size > LEVEL_CHUNK_CUSX_UNCHANGED)      // save if changed
7567       {
7568         putFileChunkBE(file, "CUSX", chunk_size);
7569         SaveLevel_CUSX(file, level, element);
7570       }
7571     }
7572
7573     for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
7574     {
7575       int element = EL_GROUP_START + i;
7576
7577       chunk_size = SaveLevel_GRPX(NULL, level, element);
7578       if (chunk_size > LEVEL_CHUNK_GRPX_UNCHANGED)      // save if changed
7579       {
7580         putFileChunkBE(file, "GRPX", chunk_size);
7581         SaveLevel_GRPX(file, level, element);
7582       }
7583     }
7584   }
7585
7586   fclose(file);
7587
7588   SetFilePermissions(filename, PERMS_PRIVATE);
7589 }
7590
7591 void SaveLevel(int nr)
7592 {
7593   char *filename = getDefaultLevelFilename(nr);
7594
7595   SaveLevelFromFilename(&level, filename, FALSE);
7596 }
7597
7598 void SaveLevelTemplate(void)
7599 {
7600   char *filename = getLocalLevelTemplateFilename();
7601
7602   SaveLevelFromFilename(&level, filename, TRUE);
7603 }
7604
7605 boolean SaveLevelChecked(int nr)
7606 {
7607   char *filename = getDefaultLevelFilename(nr);
7608   boolean new_level = !fileExists(filename);
7609   boolean level_saved = FALSE;
7610
7611   if (new_level || Request("Save this level and kill the old?", REQ_ASK))
7612   {
7613     SaveLevel(nr);
7614
7615     if (new_level)
7616       Request("Level saved!", REQ_CONFIRM);
7617
7618     level_saved = TRUE;
7619   }
7620
7621   return level_saved;
7622 }
7623
7624 void DumpLevel(struct LevelInfo *level)
7625 {
7626   if (level->no_level_file || level->no_valid_file)
7627   {
7628     Warn("cannot dump -- no valid level file found");
7629
7630     return;
7631   }
7632
7633   PrintLine("-", 79);
7634   Print("Level xxx (file version %08d, game version %08d)\n",
7635         level->file_version, level->game_version);
7636   PrintLine("-", 79);
7637
7638   Print("Level author: '%s'\n", level->author);
7639   Print("Level title:  '%s'\n", level->name);
7640   Print("\n");
7641   Print("Playfield size: %d x %d\n", level->fieldx, level->fieldy);
7642   Print("\n");
7643   Print("Level time:  %d seconds\n", level->time);
7644   Print("Gems needed: %d\n", level->gems_needed);
7645   Print("\n");
7646   Print("Time for magic wall: %d seconds\n", level->time_magic_wall);
7647   Print("Time for wheel:      %d seconds\n", level->time_wheel);
7648   Print("Time for light:      %d seconds\n", level->time_light);
7649   Print("Time for timegate:   %d seconds\n", level->time_timegate);
7650   Print("\n");
7651   Print("Amoeba speed: %d\n", level->amoeba_speed);
7652   Print("\n");
7653
7654   Print("EM style slippery gems:      %s\n", (level->em_slippery_gems ? "yes" : "no"));
7655   Print("Player blocks last field:    %s\n", (level->block_last_field ? "yes" : "no"));
7656   Print("SP player blocks last field: %s\n", (level->sp_block_last_field ? "yes" : "no"));
7657   Print("use spring bug: %s\n", (level->use_spring_bug ? "yes" : "no"));
7658   Print("use step counter: %s\n", (level->use_step_counter ? "yes" : "no"));
7659
7660   PrintLine("-", 79);
7661 }
7662
7663
7664 // ============================================================================
7665 // tape file functions
7666 // ============================================================================
7667
7668 static void setTapeInfoToDefaults(void)
7669 {
7670   int i;
7671
7672   // always start with reliable default values (empty tape)
7673   TapeErase();
7674
7675   // default values (also for pre-1.2 tapes) with only the first player
7676   tape.player_participates[0] = TRUE;
7677   for (i = 1; i < MAX_PLAYERS; i++)
7678     tape.player_participates[i] = FALSE;
7679
7680   // at least one (default: the first) player participates in every tape
7681   tape.num_participating_players = 1;
7682
7683   tape.property_bits = TAPE_PROPERTY_NONE;
7684
7685   tape.level_nr = level_nr;
7686   tape.counter = 0;
7687   tape.changed = FALSE;
7688
7689   tape.recording = FALSE;
7690   tape.playing = FALSE;
7691   tape.pausing = FALSE;
7692
7693   tape.scr_fieldx = SCR_FIELDX_DEFAULT;
7694   tape.scr_fieldy = SCR_FIELDY_DEFAULT;
7695
7696   tape.no_valid_file = FALSE;
7697 }
7698
7699 static int getTapePosSize(struct TapeInfo *tape)
7700 {
7701   int tape_pos_size = 0;
7702
7703   if (tape->use_key_actions)
7704     tape_pos_size += tape->num_participating_players;
7705
7706   if (tape->use_mouse_actions)
7707     tape_pos_size += 3;         // x and y position and mouse button mask
7708
7709   tape_pos_size += 1;           // tape action delay value
7710
7711   return tape_pos_size;
7712 }
7713
7714 static void setTapeActionFlags(struct TapeInfo *tape, int value)
7715 {
7716   tape->use_key_actions = FALSE;
7717   tape->use_mouse_actions = FALSE;
7718
7719   if (value != TAPE_USE_MOUSE_ACTIONS_ONLY)
7720     tape->use_key_actions = TRUE;
7721
7722   if (value != TAPE_USE_KEY_ACTIONS_ONLY)
7723     tape->use_mouse_actions = TRUE;
7724 }
7725
7726 static int getTapeActionValue(struct TapeInfo *tape)
7727 {
7728   return (tape->use_key_actions &&
7729           tape->use_mouse_actions ? TAPE_USE_KEY_AND_MOUSE_ACTIONS :
7730           tape->use_key_actions   ? TAPE_USE_KEY_ACTIONS_ONLY :
7731           tape->use_mouse_actions ? TAPE_USE_MOUSE_ACTIONS_ONLY :
7732           TAPE_ACTIONS_DEFAULT);
7733 }
7734
7735 static int LoadTape_VERS(File *file, int chunk_size, struct TapeInfo *tape)
7736 {
7737   tape->file_version = getFileVersion(file);
7738   tape->game_version = getFileVersion(file);
7739
7740   return chunk_size;
7741 }
7742
7743 static int LoadTape_HEAD(File *file, int chunk_size, struct TapeInfo *tape)
7744 {
7745   int i;
7746
7747   tape->random_seed = getFile32BitBE(file);
7748   tape->date        = getFile32BitBE(file);
7749   tape->length      = getFile32BitBE(file);
7750
7751   // read header fields that are new since version 1.2
7752   if (tape->file_version >= FILE_VERSION_1_2)
7753   {
7754     byte store_participating_players = getFile8Bit(file);
7755     int engine_version;
7756
7757     // since version 1.2, tapes store which players participate in the tape
7758     tape->num_participating_players = 0;
7759     for (i = 0; i < MAX_PLAYERS; i++)
7760     {
7761       tape->player_participates[i] = FALSE;
7762
7763       if (store_participating_players & (1 << i))
7764       {
7765         tape->player_participates[i] = TRUE;
7766         tape->num_participating_players++;
7767       }
7768     }
7769
7770     setTapeActionFlags(tape, getFile8Bit(file));
7771
7772     tape->property_bits = getFile8Bit(file);
7773
7774     ReadUnusedBytesFromFile(file, TAPE_CHUNK_HEAD_UNUSED);
7775
7776     engine_version = getFileVersion(file);
7777     if (engine_version > 0)
7778       tape->engine_version = engine_version;
7779     else
7780       tape->engine_version = tape->game_version;
7781   }
7782
7783   return chunk_size;
7784 }
7785
7786 static int LoadTape_SCRN(File *file, int chunk_size, struct TapeInfo *tape)
7787 {
7788   tape->scr_fieldx = getFile8Bit(file);
7789   tape->scr_fieldy = getFile8Bit(file);
7790
7791   return chunk_size;
7792 }
7793
7794 static int LoadTape_INFO(File *file, int chunk_size, struct TapeInfo *tape)
7795 {
7796   char *level_identifier = NULL;
7797   int level_identifier_size;
7798   int i;
7799
7800   level_identifier_size = getFile16BitBE(file);
7801
7802   level_identifier = checked_malloc(level_identifier_size);
7803
7804   for (i = 0; i < level_identifier_size; i++)
7805     level_identifier[i] = getFile8Bit(file);
7806
7807   strncpy(tape->level_identifier, level_identifier, MAX_FILENAME_LEN);
7808   tape->level_identifier[MAX_FILENAME_LEN] = '\0';
7809
7810   checked_free(level_identifier);
7811
7812   tape->level_nr = getFile16BitBE(file);
7813
7814   chunk_size = 2 + level_identifier_size + 2;
7815
7816   return chunk_size;
7817 }
7818
7819 static int LoadTape_BODY(File *file, int chunk_size, struct TapeInfo *tape)
7820 {
7821   int i, j;
7822   int tape_pos_size = getTapePosSize(tape);
7823   int chunk_size_expected = tape_pos_size * tape->length;
7824
7825   if (chunk_size_expected != chunk_size)
7826   {
7827     ReadUnusedBytesFromFile(file, chunk_size);
7828     return chunk_size_expected;
7829   }
7830
7831   for (i = 0; i < tape->length; i++)
7832   {
7833     if (i >= MAX_TAPE_LEN)
7834     {
7835       Warn("tape truncated -- size exceeds maximum tape size %d",
7836             MAX_TAPE_LEN);
7837
7838       // tape too large; read and ignore remaining tape data from this chunk
7839       for (;i < tape->length; i++)
7840         ReadUnusedBytesFromFile(file, tape_pos_size);
7841
7842       break;
7843     }
7844
7845     if (tape->use_key_actions)
7846     {
7847       for (j = 0; j < MAX_PLAYERS; j++)
7848       {
7849         tape->pos[i].action[j] = MV_NONE;
7850
7851         if (tape->player_participates[j])
7852           tape->pos[i].action[j] = getFile8Bit(file);
7853       }
7854     }
7855
7856     if (tape->use_mouse_actions)
7857     {
7858       tape->pos[i].action[TAPE_ACTION_LX]     = getFile8Bit(file);
7859       tape->pos[i].action[TAPE_ACTION_LY]     = getFile8Bit(file);
7860       tape->pos[i].action[TAPE_ACTION_BUTTON] = getFile8Bit(file);
7861     }
7862
7863     tape->pos[i].delay = getFile8Bit(file);
7864
7865     if (tape->file_version == FILE_VERSION_1_0)
7866     {
7867       // eliminate possible diagonal moves in old tapes
7868       // this is only for backward compatibility
7869
7870       byte joy_dir[4] = { JOY_LEFT, JOY_RIGHT, JOY_UP, JOY_DOWN };
7871       byte action = tape->pos[i].action[0];
7872       int k, num_moves = 0;
7873
7874       for (k = 0; k<4; k++)
7875       {
7876         if (action & joy_dir[k])
7877         {
7878           tape->pos[i + num_moves].action[0] = joy_dir[k];
7879           if (num_moves > 0)
7880             tape->pos[i + num_moves].delay = 0;
7881           num_moves++;
7882         }
7883       }
7884
7885       if (num_moves > 1)
7886       {
7887         num_moves--;
7888         i += num_moves;
7889         tape->length += num_moves;
7890       }
7891     }
7892     else if (tape->file_version < FILE_VERSION_2_0)
7893     {
7894       // convert pre-2.0 tapes to new tape format
7895
7896       if (tape->pos[i].delay > 1)
7897       {
7898         // action part
7899         tape->pos[i + 1] = tape->pos[i];
7900         tape->pos[i + 1].delay = 1;
7901
7902         // delay part
7903         for (j = 0; j < MAX_PLAYERS; j++)
7904           tape->pos[i].action[j] = MV_NONE;
7905         tape->pos[i].delay--;
7906
7907         i++;
7908         tape->length++;
7909       }
7910     }
7911
7912     if (checkEndOfFile(file))
7913       break;
7914   }
7915
7916   if (i != tape->length)
7917     chunk_size = tape_pos_size * i;
7918
7919   return chunk_size;
7920 }
7921
7922 static void LoadTape_SokobanSolution(char *filename)
7923 {
7924   File *file;
7925   int move_delay = TILESIZE / level.initial_player_stepsize[0];
7926
7927   if (!(file = openFile(filename, MODE_READ)))
7928   {
7929     tape.no_valid_file = TRUE;
7930
7931     return;
7932   }
7933
7934   while (!checkEndOfFile(file))
7935   {
7936     unsigned char c = getByteFromFile(file);
7937
7938     if (checkEndOfFile(file))
7939       break;
7940
7941     switch (c)
7942     {
7943       case 'u':
7944       case 'U':
7945         tape.pos[tape.length].action[0] = MV_UP;
7946         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
7947         tape.length++;
7948         break;
7949
7950       case 'd':
7951       case 'D':
7952         tape.pos[tape.length].action[0] = MV_DOWN;
7953         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
7954         tape.length++;
7955         break;
7956
7957       case 'l':
7958       case 'L':
7959         tape.pos[tape.length].action[0] = MV_LEFT;
7960         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
7961         tape.length++;
7962         break;
7963
7964       case 'r':
7965       case 'R':
7966         tape.pos[tape.length].action[0] = MV_RIGHT;
7967         tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
7968         tape.length++;
7969         break;
7970
7971       case '\n':
7972       case '\r':
7973       case '\t':
7974       case ' ':
7975         // ignore white-space characters
7976         break;
7977
7978       default:
7979         tape.no_valid_file = TRUE;
7980
7981         Warn("unsupported Sokoban solution file '%s' ['%d']", filename, c);
7982
7983         break;
7984     }
7985   }
7986
7987   closeFile(file);
7988
7989   if (tape.no_valid_file)
7990     return;
7991
7992   tape.length_frames  = GetTapeLengthFrames();
7993   tape.length_seconds = GetTapeLengthSeconds();
7994 }
7995
7996 void LoadTapeFromFilename(char *filename)
7997 {
7998   char cookie[MAX_LINE_LEN];
7999   char chunk_name[CHUNK_ID_LEN + 1];
8000   File *file;
8001   int chunk_size;
8002
8003   // always start with reliable default values
8004   setTapeInfoToDefaults();
8005
8006   if (strSuffix(filename, ".sln"))
8007   {
8008     LoadTape_SokobanSolution(filename);
8009
8010     return;
8011   }
8012
8013   if (!(file = openFile(filename, MODE_READ)))
8014   {
8015     tape.no_valid_file = TRUE;
8016
8017     return;
8018   }
8019
8020   getFileChunkBE(file, chunk_name, NULL);
8021   if (strEqual(chunk_name, "RND1"))
8022   {
8023     getFile32BitBE(file);               // not used
8024
8025     getFileChunkBE(file, chunk_name, NULL);
8026     if (!strEqual(chunk_name, "TAPE"))
8027     {
8028       tape.no_valid_file = TRUE;
8029
8030       Warn("unknown format of tape file '%s'", filename);
8031
8032       closeFile(file);
8033
8034       return;
8035     }
8036   }
8037   else  // check for pre-2.0 file format with cookie string
8038   {
8039     strcpy(cookie, chunk_name);
8040     if (getStringFromFile(file, &cookie[4], MAX_LINE_LEN - 4) == NULL)
8041       cookie[4] = '\0';
8042     if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
8043       cookie[strlen(cookie) - 1] = '\0';
8044
8045     if (!checkCookieString(cookie, TAPE_COOKIE_TMPL))
8046     {
8047       tape.no_valid_file = TRUE;
8048
8049       Warn("unknown format of tape file '%s'", filename);
8050
8051       closeFile(file);
8052
8053       return;
8054     }
8055
8056     if ((tape.file_version = getFileVersionFromCookieString(cookie)) == -1)
8057     {
8058       tape.no_valid_file = TRUE;
8059
8060       Warn("unsupported version of tape file '%s'", filename);
8061
8062       closeFile(file);
8063
8064       return;
8065     }
8066
8067     // pre-2.0 tape files have no game version, so use file version here
8068     tape.game_version = tape.file_version;
8069   }
8070
8071   if (tape.file_version < FILE_VERSION_1_2)
8072   {
8073     // tape files from versions before 1.2.0 without chunk structure
8074     LoadTape_HEAD(file, TAPE_CHUNK_HEAD_SIZE, &tape);
8075     LoadTape_BODY(file, 2 * tape.length,      &tape);
8076   }
8077   else
8078   {
8079     static struct
8080     {
8081       char *name;
8082       int size;
8083       int (*loader)(File *, int, struct TapeInfo *);
8084     }
8085     chunk_info[] =
8086     {
8087       { "VERS", TAPE_CHUNK_VERS_SIZE,   LoadTape_VERS },
8088       { "HEAD", TAPE_CHUNK_HEAD_SIZE,   LoadTape_HEAD },
8089       { "SCRN", TAPE_CHUNK_SCRN_SIZE,   LoadTape_SCRN },
8090       { "INFO", -1,                     LoadTape_INFO },
8091       { "BODY", -1,                     LoadTape_BODY },
8092       {  NULL,  0,                      NULL }
8093     };
8094
8095     while (getFileChunkBE(file, chunk_name, &chunk_size))
8096     {
8097       int i = 0;
8098
8099       while (chunk_info[i].name != NULL &&
8100              !strEqual(chunk_name, chunk_info[i].name))
8101         i++;
8102
8103       if (chunk_info[i].name == NULL)
8104       {
8105         Warn("unknown chunk '%s' in tape file '%s'",
8106               chunk_name, filename);
8107
8108         ReadUnusedBytesFromFile(file, chunk_size);
8109       }
8110       else if (chunk_info[i].size != -1 &&
8111                chunk_info[i].size != chunk_size)
8112       {
8113         Warn("wrong size (%d) of chunk '%s' in tape file '%s'",
8114               chunk_size, chunk_name, filename);
8115
8116         ReadUnusedBytesFromFile(file, chunk_size);
8117       }
8118       else
8119       {
8120         // call function to load this tape chunk
8121         int chunk_size_expected =
8122           (chunk_info[i].loader)(file, chunk_size, &tape);
8123
8124         // the size of some chunks cannot be checked before reading other
8125         // chunks first (like "HEAD" and "BODY") that contain some header
8126         // information, so check them here
8127         if (chunk_size_expected != chunk_size)
8128         {
8129           Warn("wrong size (%d) of chunk '%s' in tape file '%s'",
8130                 chunk_size, chunk_name, filename);
8131         }
8132       }
8133     }
8134   }
8135
8136   closeFile(file);
8137
8138   tape.length_frames  = GetTapeLengthFrames();
8139   tape.length_seconds = GetTapeLengthSeconds();
8140
8141 #if 0
8142   Debug("files:LoadTapeFromFilename", "tape file version: %d",
8143         tape.file_version);
8144   Debug("files:LoadTapeFromFilename", "tape game version: %d",
8145         tape.game_version);
8146   Debug("files:LoadTapeFromFilename", "tape engine version: %d",
8147         tape.engine_version);
8148 #endif
8149 }
8150
8151 void LoadTape(int nr)
8152 {
8153   char *filename = getTapeFilename(nr);
8154
8155   LoadTapeFromFilename(filename);
8156 }
8157
8158 void LoadSolutionTape(int nr)
8159 {
8160   char *filename = getSolutionTapeFilename(nr);
8161
8162   LoadTapeFromFilename(filename);
8163
8164   if (TAPE_IS_EMPTY(tape) &&
8165       level.game_engine_type == GAME_ENGINE_TYPE_SP &&
8166       level.native_sp_level->demo.is_available)
8167     CopyNativeTape_SP_to_RND(&level);
8168 }
8169
8170 static boolean checkSaveTape_SCRN(struct TapeInfo *tape)
8171 {
8172   // chunk required for team mode tapes with non-default screen size
8173   return (tape->num_participating_players > 1 &&
8174           (tape->scr_fieldx != SCR_FIELDX_DEFAULT ||
8175            tape->scr_fieldy != SCR_FIELDY_DEFAULT));
8176 }
8177
8178 static void SaveTape_VERS(FILE *file, struct TapeInfo *tape)
8179 {
8180   putFileVersion(file, tape->file_version);
8181   putFileVersion(file, tape->game_version);
8182 }
8183
8184 static void SaveTape_HEAD(FILE *file, struct TapeInfo *tape)
8185 {
8186   int i;
8187   byte store_participating_players = 0;
8188
8189   // set bits for participating players for compact storage
8190   for (i = 0; i < MAX_PLAYERS; i++)
8191     if (tape->player_participates[i])
8192       store_participating_players |= (1 << i);
8193
8194   putFile32BitBE(file, tape->random_seed);
8195   putFile32BitBE(file, tape->date);
8196   putFile32BitBE(file, tape->length);
8197
8198   putFile8Bit(file, store_participating_players);
8199
8200   putFile8Bit(file, getTapeActionValue(tape));
8201
8202   putFile8Bit(file, tape->property_bits);
8203
8204   // unused bytes not at the end here for 4-byte alignment of engine_version
8205   WriteUnusedBytesToFile(file, TAPE_CHUNK_HEAD_UNUSED);
8206
8207   putFileVersion(file, tape->engine_version);
8208 }
8209
8210 static void SaveTape_SCRN(FILE *file, struct TapeInfo *tape)
8211 {
8212   putFile8Bit(file, tape->scr_fieldx);
8213   putFile8Bit(file, tape->scr_fieldy);
8214 }
8215
8216 static void SaveTape_INFO(FILE *file, struct TapeInfo *tape)
8217 {
8218   int level_identifier_size = strlen(tape->level_identifier) + 1;
8219   int i;
8220
8221   putFile16BitBE(file, level_identifier_size);
8222
8223   for (i = 0; i < level_identifier_size; i++)
8224     putFile8Bit(file, tape->level_identifier[i]);
8225
8226   putFile16BitBE(file, tape->level_nr);
8227 }
8228
8229 static void SaveTape_BODY(FILE *file, struct TapeInfo *tape)
8230 {
8231   int i, j;
8232
8233   for (i = 0; i < tape->length; i++)
8234   {
8235     if (tape->use_key_actions)
8236     {
8237       for (j = 0; j < MAX_PLAYERS; j++)
8238         if (tape->player_participates[j])
8239           putFile8Bit(file, tape->pos[i].action[j]);
8240     }
8241
8242     if (tape->use_mouse_actions)
8243     {
8244       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_LX]);
8245       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_LY]);
8246       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_BUTTON]);
8247     }
8248
8249     putFile8Bit(file, tape->pos[i].delay);
8250   }
8251 }
8252
8253 void SaveTapeToFilename(char *filename)
8254 {
8255   FILE *file;
8256   int tape_pos_size;
8257   int info_chunk_size;
8258   int body_chunk_size;
8259
8260   if (!(file = fopen(filename, MODE_WRITE)))
8261   {
8262     Warn("cannot save level recording file '%s'", filename);
8263
8264     return;
8265   }
8266
8267   tape_pos_size = getTapePosSize(&tape);
8268
8269   info_chunk_size = 2 + (strlen(tape.level_identifier) + 1) + 2;
8270   body_chunk_size = tape_pos_size * tape.length;
8271
8272   putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
8273   putFileChunkBE(file, "TAPE", CHUNK_SIZE_NONE);
8274
8275   putFileChunkBE(file, "VERS", TAPE_CHUNK_VERS_SIZE);
8276   SaveTape_VERS(file, &tape);
8277
8278   putFileChunkBE(file, "HEAD", TAPE_CHUNK_HEAD_SIZE);
8279   SaveTape_HEAD(file, &tape);
8280
8281   if (checkSaveTape_SCRN(&tape))
8282   {
8283     putFileChunkBE(file, "SCRN", TAPE_CHUNK_SCRN_SIZE);
8284     SaveTape_SCRN(file, &tape);
8285   }
8286
8287   putFileChunkBE(file, "INFO", info_chunk_size);
8288   SaveTape_INFO(file, &tape);
8289
8290   putFileChunkBE(file, "BODY", body_chunk_size);
8291   SaveTape_BODY(file, &tape);
8292
8293   fclose(file);
8294
8295   SetFilePermissions(filename, PERMS_PRIVATE);
8296 }
8297
8298 static void SaveTapeExt(char *filename)
8299 {
8300   int i;
8301
8302   tape.file_version = FILE_VERSION_ACTUAL;
8303   tape.game_version = GAME_VERSION_ACTUAL;
8304
8305   tape.num_participating_players = 0;
8306
8307   // count number of participating players
8308   for (i = 0; i < MAX_PLAYERS; i++)
8309     if (tape.player_participates[i])
8310       tape.num_participating_players++;
8311
8312   SaveTapeToFilename(filename);
8313
8314   tape.changed = FALSE;
8315 }
8316
8317 void SaveTape(int nr)
8318 {
8319   char *filename = getTapeFilename(nr);
8320
8321   InitTapeDirectory(leveldir_current->subdir);
8322
8323   SaveTapeExt(filename);
8324 }
8325
8326 void SaveScoreTape(int nr)
8327 {
8328   char *filename = getScoreTapeFilename(tape.score_tape_basename, nr);
8329
8330   // used instead of "leveldir_current->subdir" (for network games)
8331   InitScoreTapeDirectory(levelset.identifier, nr);
8332
8333   SaveTapeExt(filename);
8334 }
8335
8336 static boolean SaveTapeCheckedExt(int nr, char *msg_replace, char *msg_saved,
8337                                   unsigned int req_state_added)
8338 {
8339   char *filename = getTapeFilename(nr);
8340   boolean new_tape = !fileExists(filename);
8341   boolean tape_saved = FALSE;
8342
8343   if (new_tape || Request(msg_replace, REQ_ASK | req_state_added))
8344   {
8345     SaveTape(nr);
8346
8347     if (new_tape)
8348       Request(msg_saved, REQ_CONFIRM | req_state_added);
8349
8350     tape_saved = TRUE;
8351   }
8352
8353   return tape_saved;
8354 }
8355
8356 boolean SaveTapeChecked(int nr)
8357 {
8358   return SaveTapeCheckedExt(nr, "Replace old tape?", "Tape saved!", 0);
8359 }
8360
8361 boolean SaveTapeChecked_LevelSolved(int nr)
8362 {
8363   return SaveTapeCheckedExt(nr, "Level solved! Replace old tape?",
8364                                 "Level solved! Tape saved!", REQ_STAY_OPEN);
8365 }
8366
8367 void DumpTape(struct TapeInfo *tape)
8368 {
8369   int tape_frame_counter;
8370   int i, j;
8371
8372   if (tape->no_valid_file)
8373   {
8374     Warn("cannot dump -- no valid tape file found");
8375
8376     return;
8377   }
8378
8379   PrintLine("-", 79);
8380   Print("Tape of Level %03d (file version %08d, game version %08d)\n",
8381         tape->level_nr, tape->file_version, tape->game_version);
8382   Print("                  (effective engine version %08d)\n",
8383         tape->engine_version);
8384   Print("Level series identifier: '%s'\n", tape->level_identifier);
8385   PrintLine("-", 79);
8386
8387   tape_frame_counter = 0;
8388
8389   for (i = 0; i < tape->length; i++)
8390   {
8391     if (i >= MAX_TAPE_LEN)
8392       break;
8393
8394     Print("%04d: ", i);
8395
8396     for (j = 0; j < MAX_PLAYERS; j++)
8397     {
8398       if (tape->player_participates[j])
8399       {
8400         int action = tape->pos[i].action[j];
8401
8402         Print("%d:%02x ", j, action);
8403         Print("[%c%c%c%c|%c%c] - ",
8404               (action & JOY_LEFT ? '<' : ' '),
8405               (action & JOY_RIGHT ? '>' : ' '),
8406               (action & JOY_UP ? '^' : ' '),
8407               (action & JOY_DOWN ? 'v' : ' '),
8408               (action & JOY_BUTTON_1 ? '1' : ' '),
8409               (action & JOY_BUTTON_2 ? '2' : ' '));
8410       }
8411     }
8412
8413     Print("(%03d) ", tape->pos[i].delay);
8414     Print("[%05d]\n", tape_frame_counter);
8415
8416     tape_frame_counter += tape->pos[i].delay;
8417   }
8418
8419   PrintLine("-", 79);
8420 }
8421
8422
8423 // ============================================================================
8424 // score file functions
8425 // ============================================================================
8426
8427 static void setScoreInfoToDefaultsExt(struct ScoreInfo *scores)
8428 {
8429   int i;
8430
8431   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8432   {
8433     strcpy(scores->entry[i].tape_basename, UNDEFINED_FILENAME);
8434     strcpy(scores->entry[i].name, EMPTY_PLAYER_NAME);
8435     scores->entry[i].score = 0;
8436     scores->entry[i].time = 0;
8437   }
8438
8439   scores->num_entries = 0;
8440   scores->last_added = -1;
8441   scores->last_added_local = -1;
8442 }
8443
8444 static void setScoreInfoToDefaults(void)
8445 {
8446   setScoreInfoToDefaultsExt(&scores);
8447 }
8448
8449 static void setServerScoreInfoToDefaults(void)
8450 {
8451   setScoreInfoToDefaultsExt(&server_scores);
8452 }
8453
8454 static void LoadScore_OLD(int nr)
8455 {
8456   int i;
8457   char *filename = getScoreFilename(nr);
8458   char cookie[MAX_LINE_LEN];
8459   char line[MAX_LINE_LEN];
8460   char *line_ptr;
8461   FILE *file;
8462
8463   if (!(file = fopen(filename, MODE_READ)))
8464     return;
8465
8466   // check file identifier
8467   if (fgets(cookie, MAX_LINE_LEN, file) == NULL)
8468     cookie[0] = '\0';
8469   if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
8470     cookie[strlen(cookie) - 1] = '\0';
8471
8472   if (!checkCookieString(cookie, SCORE_COOKIE_TMPL))
8473   {
8474     Warn("unknown format of score file '%s'", filename);
8475
8476     fclose(file);
8477
8478     return;
8479   }
8480
8481   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8482   {
8483     if (fscanf(file, "%d", &scores.entry[i].score) == EOF)
8484       Warn("fscanf() failed; %s", strerror(errno));
8485
8486     if (fgets(line, MAX_LINE_LEN, file) == NULL)
8487       line[0] = '\0';
8488
8489     if (strlen(line) > 0 && line[strlen(line) - 1] == '\n')
8490       line[strlen(line) - 1] = '\0';
8491
8492     for (line_ptr = line; *line_ptr; line_ptr++)
8493     {
8494       if (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
8495       {
8496         strncpy(scores.entry[i].name, line_ptr, MAX_PLAYER_NAME_LEN);
8497         scores.entry[i].name[MAX_PLAYER_NAME_LEN] = '\0';
8498         break;
8499       }
8500     }
8501   }
8502
8503   fclose(file);
8504 }
8505
8506 static void ConvertScore_OLD(void)
8507 {
8508   // only convert score to time for levels that rate playing time over score
8509   if (!level.rate_time_over_score)
8510     return;
8511
8512   // convert old score to playing time for score-less levels (like Supaplex)
8513   int time_final_max = 999;
8514   int i;
8515
8516   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8517   {
8518     int score = scores.entry[i].score;
8519
8520     if (score > 0 && score < time_final_max)
8521       scores.entry[i].time = (time_final_max - score - 1) * FRAMES_PER_SECOND;
8522   }
8523 }
8524
8525 static int LoadScore_VERS(File *file, int chunk_size, struct ScoreInfo *scores)
8526 {
8527   scores->file_version = getFileVersion(file);
8528   scores->game_version = getFileVersion(file);
8529
8530   return chunk_size;
8531 }
8532
8533 static int LoadScore_INFO(File *file, int chunk_size, struct ScoreInfo *scores)
8534 {
8535   char *level_identifier = NULL;
8536   int level_identifier_size;
8537   int i;
8538
8539   level_identifier_size = getFile16BitBE(file);
8540
8541   level_identifier = checked_malloc(level_identifier_size);
8542
8543   for (i = 0; i < level_identifier_size; i++)
8544     level_identifier[i] = getFile8Bit(file);
8545
8546   strncpy(scores->level_identifier, level_identifier, MAX_FILENAME_LEN);
8547   scores->level_identifier[MAX_FILENAME_LEN] = '\0';
8548
8549   checked_free(level_identifier);
8550
8551   scores->level_nr = getFile16BitBE(file);
8552   scores->num_entries = getFile16BitBE(file);
8553
8554   chunk_size = 2 + level_identifier_size + 2 + 2;
8555
8556   return chunk_size;
8557 }
8558
8559 static int LoadScore_NAME(File *file, int chunk_size, struct ScoreInfo *scores)
8560 {
8561   int i, j;
8562
8563   for (i = 0; i < scores->num_entries; i++)
8564   {
8565     for (j = 0; j < MAX_PLAYER_NAME_LEN; j++)
8566       scores->entry[i].name[j] = getFile8Bit(file);
8567
8568     scores->entry[i].name[MAX_PLAYER_NAME_LEN] = '\0';
8569   }
8570
8571   chunk_size = scores->num_entries * MAX_PLAYER_NAME_LEN;
8572
8573   return chunk_size;
8574 }
8575
8576 static int LoadScore_SCOR(File *file, int chunk_size, struct ScoreInfo *scores)
8577 {
8578   int i;
8579
8580   for (i = 0; i < scores->num_entries; i++)
8581     scores->entry[i].score = getFile16BitBE(file);
8582
8583   chunk_size = scores->num_entries * 2;
8584
8585   return chunk_size;
8586 }
8587
8588 static int LoadScore_TIME(File *file, int chunk_size, struct ScoreInfo *scores)
8589 {
8590   int i;
8591
8592   for (i = 0; i < scores->num_entries; i++)
8593     scores->entry[i].time = getFile32BitBE(file);
8594
8595   chunk_size = scores->num_entries * 4;
8596
8597   return chunk_size;
8598 }
8599
8600 static int LoadScore_TAPE(File *file, int chunk_size, struct ScoreInfo *scores)
8601 {
8602   int i, j;
8603
8604   for (i = 0; i < scores->num_entries; i++)
8605   {
8606     for (j = 0; j < MAX_SCORE_TAPE_BASENAME_LEN; j++)
8607       scores->entry[i].tape_basename[j] = getFile8Bit(file);
8608
8609     scores->entry[i].tape_basename[MAX_SCORE_TAPE_BASENAME_LEN] = '\0';
8610   }
8611
8612   chunk_size = scores->num_entries * MAX_SCORE_TAPE_BASENAME_LEN;
8613
8614   return chunk_size;
8615 }
8616
8617 void LoadScore(int nr)
8618 {
8619   char *filename = getScoreFilename(nr);
8620   char cookie[MAX_LINE_LEN];
8621   char chunk_name[CHUNK_ID_LEN + 1];
8622   int chunk_size;
8623   boolean old_score_file_format = FALSE;
8624   File *file;
8625
8626   // always start with reliable default values
8627   setScoreInfoToDefaults();
8628
8629   if (!(file = openFile(filename, MODE_READ)))
8630     return;
8631
8632   getFileChunkBE(file, chunk_name, NULL);
8633   if (strEqual(chunk_name, "RND1"))
8634   {
8635     getFile32BitBE(file);               // not used
8636
8637     getFileChunkBE(file, chunk_name, NULL);
8638     if (!strEqual(chunk_name, "SCOR"))
8639     {
8640       Warn("unknown format of score file '%s'", filename);
8641
8642       closeFile(file);
8643
8644       return;
8645     }
8646   }
8647   else  // check for old file format with cookie string
8648   {
8649     strcpy(cookie, chunk_name);
8650     if (getStringFromFile(file, &cookie[4], MAX_LINE_LEN - 4) == NULL)
8651       cookie[4] = '\0';
8652     if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
8653       cookie[strlen(cookie) - 1] = '\0';
8654
8655     if (!checkCookieString(cookie, SCORE_COOKIE_TMPL))
8656     {
8657       Warn("unknown format of score file '%s'", filename);
8658
8659       closeFile(file);
8660
8661       return;
8662     }
8663
8664     old_score_file_format = TRUE;
8665   }
8666
8667   if (old_score_file_format)
8668   {
8669     // score files from versions before 4.2.4.0 without chunk structure
8670     LoadScore_OLD(nr);
8671
8672     // convert score to time, if possible (mainly for Supaplex levels)
8673     ConvertScore_OLD();
8674   }
8675   else
8676   {
8677     static struct
8678     {
8679       char *name;
8680       int size;
8681       int (*loader)(File *, int, struct ScoreInfo *);
8682     }
8683     chunk_info[] =
8684     {
8685       { "VERS", SCORE_CHUNK_VERS_SIZE,  LoadScore_VERS },
8686       { "INFO", -1,                     LoadScore_INFO },
8687       { "NAME", -1,                     LoadScore_NAME },
8688       { "SCOR", -1,                     LoadScore_SCOR },
8689       { "TIME", -1,                     LoadScore_TIME },
8690       { "TAPE", -1,                     LoadScore_TAPE },
8691
8692       {  NULL,  0,                      NULL }
8693     };
8694
8695     while (getFileChunkBE(file, chunk_name, &chunk_size))
8696     {
8697       int i = 0;
8698
8699       while (chunk_info[i].name != NULL &&
8700              !strEqual(chunk_name, chunk_info[i].name))
8701         i++;
8702
8703       if (chunk_info[i].name == NULL)
8704       {
8705         Warn("unknown chunk '%s' in score file '%s'",
8706               chunk_name, filename);
8707
8708         ReadUnusedBytesFromFile(file, chunk_size);
8709       }
8710       else if (chunk_info[i].size != -1 &&
8711                chunk_info[i].size != chunk_size)
8712       {
8713         Warn("wrong size (%d) of chunk '%s' in score file '%s'",
8714               chunk_size, chunk_name, filename);
8715
8716         ReadUnusedBytesFromFile(file, chunk_size);
8717       }
8718       else
8719       {
8720         // call function to load this score chunk
8721         int chunk_size_expected =
8722           (chunk_info[i].loader)(file, chunk_size, &scores);
8723
8724         // the size of some chunks cannot be checked before reading other
8725         // chunks first (like "HEAD" and "BODY") that contain some header
8726         // information, so check them here
8727         if (chunk_size_expected != chunk_size)
8728         {
8729           Warn("wrong size (%d) of chunk '%s' in score file '%s'",
8730                 chunk_size, chunk_name, filename);
8731         }
8732       }
8733     }
8734   }
8735
8736   closeFile(file);
8737 }
8738
8739 #if ENABLE_HISTORIC_CHUNKS
8740 void SaveScore_OLD(int nr)
8741 {
8742   int i;
8743   int permissions = (program.global_scores ? PERMS_PUBLIC : PERMS_PRIVATE);
8744   char *filename = getScoreFilename(nr);
8745   FILE *file;
8746
8747   // used instead of "leveldir_current->subdir" (for network games)
8748   InitScoreDirectory(levelset.identifier);
8749
8750   if (!(file = fopen(filename, MODE_WRITE)))
8751   {
8752     Warn("cannot save score for level %d", nr);
8753
8754     return;
8755   }
8756
8757   fprintf(file, "%s\n\n", SCORE_COOKIE);
8758
8759   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8760     fprintf(file, "%d %s\n", scores.entry[i].score, scores.entry[i].name);
8761
8762   fclose(file);
8763
8764   SetFilePermissions(filename, permissions);
8765 }
8766 #endif
8767
8768 static void SaveScore_VERS(FILE *file, struct ScoreInfo *scores)
8769 {
8770   putFileVersion(file, scores->file_version);
8771   putFileVersion(file, scores->game_version);
8772 }
8773
8774 static void SaveScore_INFO(FILE *file, struct ScoreInfo *scores)
8775 {
8776   int level_identifier_size = strlen(scores->level_identifier) + 1;
8777   int i;
8778
8779   putFile16BitBE(file, level_identifier_size);
8780
8781   for (i = 0; i < level_identifier_size; i++)
8782     putFile8Bit(file, scores->level_identifier[i]);
8783
8784   putFile16BitBE(file, scores->level_nr);
8785   putFile16BitBE(file, scores->num_entries);
8786 }
8787
8788 static void SaveScore_NAME(FILE *file, struct ScoreInfo *scores)
8789 {
8790   int i, j;
8791
8792   for (i = 0; i < scores->num_entries; i++)
8793   {
8794     int name_size = strlen(scores->entry[i].name);
8795
8796     for (j = 0; j < MAX_PLAYER_NAME_LEN; j++)
8797       putFile8Bit(file, (j < name_size ? scores->entry[i].name[j] : 0));
8798   }
8799 }
8800
8801 static void SaveScore_SCOR(FILE *file, struct ScoreInfo *scores)
8802 {
8803   int i;
8804
8805   for (i = 0; i < scores->num_entries; i++)
8806     putFile16BitBE(file, scores->entry[i].score);
8807 }
8808
8809 static void SaveScore_TIME(FILE *file, struct ScoreInfo *scores)
8810 {
8811   int i;
8812
8813   for (i = 0; i < scores->num_entries; i++)
8814     putFile32BitBE(file, scores->entry[i].time);
8815 }
8816
8817 static void SaveScore_TAPE(FILE *file, struct ScoreInfo *scores)
8818 {
8819   int i, j;
8820
8821   for (i = 0; i < scores->num_entries; i++)
8822   {
8823     int size = strlen(scores->entry[i].tape_basename);
8824
8825     for (j = 0; j < MAX_SCORE_TAPE_BASENAME_LEN; j++)
8826       putFile8Bit(file, (j < size ? scores->entry[i].tape_basename[j] : 0));
8827   }
8828 }
8829
8830 static void SaveScoreToFilename(char *filename)
8831 {
8832   FILE *file;
8833   int permissions = (program.global_scores ? PERMS_PUBLIC : PERMS_PRIVATE);
8834   int info_chunk_size;
8835   int name_chunk_size;
8836   int scor_chunk_size;
8837   int time_chunk_size;
8838   int tape_chunk_size;
8839
8840   if (!(file = fopen(filename, MODE_WRITE)))
8841   {
8842     Warn("cannot save score file '%s'", filename);
8843
8844     return;
8845   }
8846
8847   info_chunk_size = 2 + (strlen(scores.level_identifier) + 1) + 2 + 2;
8848   name_chunk_size = scores.num_entries * MAX_PLAYER_NAME_LEN;
8849   scor_chunk_size = scores.num_entries * 2;
8850   time_chunk_size = scores.num_entries * 4;
8851   tape_chunk_size = scores.num_entries * MAX_SCORE_TAPE_BASENAME_LEN;
8852
8853   putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
8854   putFileChunkBE(file, "SCOR", CHUNK_SIZE_NONE);
8855
8856   putFileChunkBE(file, "VERS", SCORE_CHUNK_VERS_SIZE);
8857   SaveScore_VERS(file, &scores);
8858
8859   putFileChunkBE(file, "INFO", info_chunk_size);
8860   SaveScore_INFO(file, &scores);
8861
8862   putFileChunkBE(file, "NAME", name_chunk_size);
8863   SaveScore_NAME(file, &scores);
8864
8865   putFileChunkBE(file, "SCOR", scor_chunk_size);
8866   SaveScore_SCOR(file, &scores);
8867
8868   putFileChunkBE(file, "TIME", time_chunk_size);
8869   SaveScore_TIME(file, &scores);
8870
8871   putFileChunkBE(file, "TAPE", tape_chunk_size);
8872   SaveScore_TAPE(file, &scores);
8873
8874   fclose(file);
8875
8876   SetFilePermissions(filename, permissions);
8877 }
8878
8879 void SaveScore(int nr)
8880 {
8881   char *filename = getScoreFilename(nr);
8882   int i;
8883
8884   // used instead of "leveldir_current->subdir" (for network games)
8885   InitScoreDirectory(levelset.identifier);
8886
8887   scores.file_version = FILE_VERSION_ACTUAL;
8888   scores.game_version = GAME_VERSION_ACTUAL;
8889
8890   strncpy(scores.level_identifier, levelset.identifier, MAX_FILENAME_LEN);
8891   scores.level_identifier[MAX_FILENAME_LEN] = '\0';
8892   scores.level_nr = level_nr;
8893
8894   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
8895     if (scores.entry[i].score == 0 &&
8896         scores.entry[i].time == 0 &&
8897         strEqual(scores.entry[i].name, EMPTY_PLAYER_NAME))
8898       break;
8899
8900   scores.num_entries = i;
8901
8902   if (scores.num_entries == 0)
8903     return;
8904
8905   SaveScoreToFilename(filename);
8906 }
8907
8908 static void ExecuteAsThread(SDL_ThreadFunction function, char *name, int data,
8909                             char *error)
8910 {
8911   static int data_static;
8912
8913   data_static = data;
8914
8915   SDL_Thread *thread = SDL_CreateThread(function, name, &data_static);
8916
8917   if (thread != NULL)
8918     SDL_DetachThread(thread);
8919   else
8920     Error("Cannot create thread to %s!", error);
8921
8922   // nasty kludge to lower probability of intermingled thread error messages
8923   Delay(1);
8924 }
8925
8926 static void DownloadServerScoreToCacheExt(struct HttpRequest *request,
8927                                           struct HttpResponse *response,
8928                                           int nr)
8929 {
8930   request->hostname = API_SERVER_HOSTNAME;
8931   request->port     = API_SERVER_PORT;
8932   request->method   = API_SERVER_METHOD;
8933   request->uri      = API_SERVER_URI_GET;
8934
8935   snprintf(request->body, MAX_HTTP_BODY_SIZE,
8936            "{\n"
8937            "  \"levelset_identifier\":  \"%s\",\n"
8938            "  \"level_nr\":             \"%d\",\n"
8939            "  \"rate_time_over_score\": \"%d\"\n"
8940            "}\n",
8941            levelset.identifier, nr, level.rate_time_over_score);
8942
8943   if (!DoHttpRequest(request, response))
8944   {
8945     Error("HTTP request failed: %s", GetHttpError());
8946
8947     return;
8948   }
8949
8950   if (!HTTP_SUCCESS(response->status_code))
8951   {
8952     Error("server failed to handle request: %d %s",
8953           response->status_code,
8954           response->status_text);
8955
8956     return;
8957   }
8958
8959   if (response->body_size == 0)
8960   {
8961     // no scores available for this level
8962
8963     return;
8964   }
8965
8966   ConvertHttpResponseBodyToClientEncoding(response);
8967
8968   char *filename = getScoreCacheFilename(nr);
8969   FILE *file;
8970   int i;
8971
8972   // used instead of "leveldir_current->subdir" (for network games)
8973   InitScoreCacheDirectory(levelset.identifier);
8974
8975   if (!(file = fopen(filename, MODE_WRITE)))
8976   {
8977     Warn("cannot save score cache file '%s'", filename);
8978
8979     return;
8980   }
8981
8982   for (i = 0; i < response->body_size; i++)
8983     fputc(response->body[i], file);
8984
8985   fclose(file);
8986
8987   SetFilePermissions(filename, PERMS_PRIVATE);
8988 }
8989
8990 static void DownloadServerScoreToCache(int nr)
8991 {
8992   struct HttpRequest *request = checked_calloc(sizeof(struct HttpRequest));
8993   struct HttpResponse *response = checked_calloc(sizeof(struct HttpResponse));
8994
8995   DownloadServerScoreToCacheExt(request, response, nr);
8996
8997   checked_free(request);
8998   checked_free(response);
8999 }
9000
9001 static int DownloadServerScoreToCacheThread(void *data)
9002 {
9003   DownloadServerScoreToCache(*(int *)data);
9004
9005   return 0;
9006 }
9007
9008 static void DownloadServerScoreToCacheAsThread(int nr)
9009 {
9010   ExecuteAsThread(DownloadServerScoreToCacheThread,
9011                   "DownloadServerScoreToCache", nr,
9012                   "download scores from server");
9013 }
9014
9015 static void LoadServerScoreFromCache(int nr)
9016 {
9017   struct ScoreEntry score_entry;
9018   struct
9019   {
9020     void *value;
9021     boolean is_string;
9022     int string_size;
9023   }
9024   score_mapping[] =
9025   {
9026     { &score_entry.score,               FALSE,  0                       },
9027     { &score_entry.time,                FALSE,  0                       },
9028     { score_entry.name,                 TRUE,   MAX_PLAYER_NAME_LEN     },
9029     { score_entry.tape_basename,        TRUE,   MAX_FILENAME_LEN        },
9030
9031     { NULL,                             FALSE,  0                       }
9032   };
9033   char *filename = getScoreCacheFilename(nr);
9034   SetupFileHash *score_hash = loadSetupFileHash(filename);
9035   int i, j;
9036
9037   server_scores.num_entries = 0;
9038
9039   if (score_hash == NULL)
9040     return;
9041
9042   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
9043   {
9044     score_entry = server_scores.entry[i];
9045
9046     for (j = 0; score_mapping[j].value != NULL; j++)
9047     {
9048       char token[10];
9049
9050       sprintf(token, "%02d.%d", i, j);
9051
9052       char *value = getHashEntry(score_hash, token);
9053
9054       if (value == NULL)
9055         continue;
9056
9057       if (score_mapping[j].is_string)
9058       {
9059         char *score_value = (char *)score_mapping[j].value;
9060         int value_size = score_mapping[j].string_size;
9061
9062         strncpy(score_value, value, value_size);
9063         score_value[value_size] = '\0';
9064       }
9065       else
9066       {
9067         int *score_value = (int *)score_mapping[j].value;
9068
9069         *score_value = atoi(value);
9070       }
9071
9072       server_scores.num_entries = i + 1;
9073     }
9074
9075     server_scores.entry[i] = score_entry;
9076   }
9077
9078   freeSetupFileHash(score_hash);
9079 }
9080
9081 void LoadServerScore(int nr, boolean download_score)
9082 {
9083   // always start with reliable default values
9084   setServerScoreInfoToDefaults();
9085
9086   // 1st step: load server scores from cache file (which may not exist)
9087   // (this should prevent reading it while the thread is writing to it)
9088   LoadServerScoreFromCache(nr);
9089
9090   if (download_score)
9091   {
9092     // 2nd step: download server scores from score server to cache file
9093     // (as thread, as it might time out if the server is not reachable)
9094     DownloadServerScoreToCacheAsThread(nr);
9095   }
9096
9097   // merge local scores with scores from server
9098   MergeServerScore();
9099 }
9100
9101 static char *get_file_base64(char *filename)
9102 {
9103   struct stat file_status;
9104
9105   if (stat(filename, &file_status) != 0)
9106   {
9107     Error("cannot stat file '%s'\n", filename);
9108
9109     return NULL;
9110   }
9111
9112   int buffer_size = file_status.st_size;
9113   byte *buffer = checked_malloc(buffer_size);
9114   FILE *file;
9115   int i;
9116
9117   if (!(file = fopen(filename, MODE_READ)))
9118   {
9119     Error("cannot open file '%s'\n", filename);
9120
9121     checked_free(buffer);
9122
9123     return NULL;
9124   }
9125
9126   for (i = 0; i < buffer_size; i++)
9127   {
9128     int c = fgetc(file);
9129
9130     if (c == EOF)
9131     {
9132       Error("cannot read from input file '%s'\n", filename);
9133
9134       fclose(file);
9135       checked_free(buffer);
9136
9137       return NULL;
9138     }
9139
9140     buffer[i] = (byte)c;
9141   }
9142
9143   fclose(file);
9144
9145   int buffer_encoded_size = base64_encoded_size(buffer_size);
9146   char *buffer_encoded = checked_malloc(buffer_encoded_size);
9147
9148   base64_encode(buffer_encoded, buffer, buffer_size);
9149
9150   checked_free(buffer);
9151
9152   return buffer_encoded;
9153 }
9154
9155 static void UploadScoreToServerExt(struct HttpRequest *request,
9156                                    struct HttpResponse *response,
9157                                    int nr)
9158 {
9159   struct ScoreEntry *score_entry = &scores.entry[scores.last_added];
9160
9161   request->hostname = API_SERVER_HOSTNAME;
9162   request->port     = API_SERVER_PORT;
9163   request->method   = API_SERVER_METHOD;
9164   request->uri      = API_SERVER_URI_ADD;
9165
9166   char *tape_filename = getScoreTapeFilename(score_entry->tape_basename, nr);
9167   char *tape_base64 = get_file_base64(tape_filename);
9168
9169   if (tape_base64 == NULL)
9170   {
9171     Error("loading and base64 encoding score tape file failed");
9172
9173     return;
9174   }
9175
9176   snprintf(request->body, MAX_HTTP_BODY_SIZE,
9177            "{\n"
9178            "  \"game_version\":         \"%s\",\n"
9179            "  \"levelset_identifier\":  \"%s\",\n"
9180            "  \"levelset_name\":        \"%s\",\n"
9181            "  \"levelset_author\":      \"%s\",\n"
9182            "  \"levelset_num_levels\":  \"%d\",\n"
9183            "  \"levelset_first_level\": \"%d\",\n"
9184            "  \"level_nr\":             \"%d\",\n"
9185            "  \"player_name\":          \"%s\",\n"
9186            "  \"score\":                \"%d\",\n"
9187            "  \"time\":                 \"%d\",\n"
9188            "  \"tape_basename\":        \"%s\",\n"
9189            "  \"tape\":                 \"%s\"\n"
9190            "}\n",
9191            getProgramRealVersionString(),
9192            leveldir_current->identifier,
9193            leveldir_current->name,
9194            leveldir_current->author,
9195            leveldir_current->levels,
9196            leveldir_current->first_level,
9197            level_nr,
9198            score_entry->name,
9199            score_entry->score,
9200            score_entry->time,
9201            score_entry->tape_basename,
9202            tape_base64);
9203
9204   checked_free(tape_base64);
9205
9206   ConvertHttpRequestBodyToServerEncoding(request);
9207
9208   if (!DoHttpRequest(request, response))
9209   {
9210     Error("HTTP request failed: %s", GetHttpError());
9211
9212     return;
9213   }
9214
9215   if (!HTTP_SUCCESS(response->status_code))
9216   {
9217     Error("server failed to handle request: %d %s",
9218           response->status_code,
9219           response->status_text);
9220
9221     return;
9222   }
9223 }
9224
9225 static void UploadScoreToServer(int nr)
9226 {
9227   struct HttpRequest *request = checked_calloc(sizeof(struct HttpRequest));
9228   struct HttpResponse *response = checked_calloc(sizeof(struct HttpResponse));
9229
9230   UploadScoreToServerExt(request, response, nr);
9231
9232   checked_free(request);
9233   checked_free(response);
9234 }
9235
9236 static int UploadScoreToServerThread(void *data)
9237 {
9238   UploadScoreToServer(*(int *)data);
9239
9240   return 0;
9241 }
9242
9243 static void UploadScoreToServerAsThread(int nr)
9244 {
9245   ExecuteAsThread(UploadScoreToServerThread,
9246                   "UploadScoreToServer", nr,
9247                   "upload score to server");
9248 }
9249
9250 void SaveServerScore(int nr)
9251 {
9252   UploadScoreToServerAsThread(nr);
9253 }
9254
9255 void LoadLocalAndServerScore(int nr, boolean download_score)
9256 {
9257   int last_added_local = scores.last_added_local;
9258
9259   LoadScore(nr);
9260
9261   // restore last added local score entry (before merging server scores)
9262   scores.last_added = scores.last_added_local = last_added_local;
9263
9264   LoadServerScore(nr, download_score);
9265
9266   MergeServerScore();
9267 }
9268
9269
9270 // ============================================================================
9271 // setup file functions
9272 // ============================================================================
9273
9274 #define TOKEN_STR_PLAYER_PREFIX                 "player_"
9275
9276
9277 static struct TokenInfo global_setup_tokens[] =
9278 {
9279   {
9280     TYPE_STRING,
9281     &setup.player_name,                         "player_name"
9282   },
9283   {
9284     TYPE_SWITCH,
9285     &setup.multiple_users,                      "multiple_users"
9286   },
9287   {
9288     TYPE_SWITCH,
9289     &setup.sound,                               "sound"
9290   },
9291   {
9292     TYPE_SWITCH,
9293     &setup.sound_loops,                         "repeating_sound_loops"
9294   },
9295   {
9296     TYPE_SWITCH,
9297     &setup.sound_music,                         "background_music"
9298   },
9299   {
9300     TYPE_SWITCH,
9301     &setup.sound_simple,                        "simple_sound_effects"
9302   },
9303   {
9304     TYPE_SWITCH,
9305     &setup.toons,                               "toons"
9306   },
9307   {
9308     TYPE_SWITCH,
9309     &setup.scroll_delay,                        "scroll_delay"
9310   },
9311   {
9312     TYPE_SWITCH,
9313     &setup.forced_scroll_delay,                 "forced_scroll_delay"
9314   },
9315   {
9316     TYPE_INTEGER,
9317     &setup.scroll_delay_value,                  "scroll_delay_value"
9318   },
9319   {
9320     TYPE_STRING,
9321     &setup.engine_snapshot_mode,                "engine_snapshot_mode"
9322   },
9323   {
9324     TYPE_INTEGER,
9325     &setup.engine_snapshot_memory,              "engine_snapshot_memory"
9326   },
9327   {
9328     TYPE_SWITCH,
9329     &setup.fade_screens,                        "fade_screens"
9330   },
9331   {
9332     TYPE_SWITCH,
9333     &setup.autorecord,                          "automatic_tape_recording"
9334   },
9335   {
9336     TYPE_SWITCH,
9337     &setup.show_titlescreen,                    "show_titlescreen"
9338   },
9339   {
9340     TYPE_SWITCH,
9341     &setup.quick_doors,                         "quick_doors"
9342   },
9343   {
9344     TYPE_SWITCH,
9345     &setup.team_mode,                           "team_mode"
9346   },
9347   {
9348     TYPE_SWITCH,
9349     &setup.handicap,                            "handicap"
9350   },
9351   {
9352     TYPE_SWITCH,
9353     &setup.skip_levels,                         "skip_levels"
9354   },
9355   {
9356     TYPE_SWITCH,
9357     &setup.increment_levels,                    "increment_levels"
9358   },
9359   {
9360     TYPE_SWITCH,
9361     &setup.auto_play_next_level,                "auto_play_next_level"
9362   },
9363   {
9364     TYPE_SWITCH,
9365     &setup.count_score_after_game,              "count_score_after_game"
9366   },
9367   {
9368     TYPE_SWITCH,
9369     &setup.show_scores_after_game,              "show_scores_after_game"
9370   },
9371   {
9372     TYPE_SWITCH,
9373     &setup.time_limit,                          "time_limit"
9374   },
9375   {
9376     TYPE_SWITCH,
9377     &setup.fullscreen,                          "fullscreen"
9378   },
9379   {
9380     TYPE_INTEGER,
9381     &setup.window_scaling_percent,              "window_scaling_percent"
9382   },
9383   {
9384     TYPE_STRING,
9385     &setup.window_scaling_quality,              "window_scaling_quality"
9386   },
9387   {
9388     TYPE_STRING,
9389     &setup.screen_rendering_mode,               "screen_rendering_mode"
9390   },
9391   {
9392     TYPE_STRING,
9393     &setup.vsync_mode,                          "vsync_mode"
9394   },
9395   {
9396     TYPE_SWITCH,
9397     &setup.ask_on_escape,                       "ask_on_escape"
9398   },
9399   {
9400     TYPE_SWITCH,
9401     &setup.ask_on_escape_editor,                "ask_on_escape_editor"
9402   },
9403   {
9404     TYPE_SWITCH,
9405     &setup.ask_on_game_over,                    "ask_on_game_over"
9406   },
9407   {
9408     TYPE_SWITCH,
9409     &setup.ask_on_quit_game,                    "ask_on_quit_game"
9410   },
9411   {
9412     TYPE_SWITCH,
9413     &setup.ask_on_quit_program,                 "ask_on_quit_program"
9414   },
9415   {
9416     TYPE_SWITCH,
9417     &setup.quick_switch,                        "quick_player_switch"
9418   },
9419   {
9420     TYPE_SWITCH,
9421     &setup.input_on_focus,                      "input_on_focus"
9422   },
9423   {
9424     TYPE_SWITCH,
9425     &setup.prefer_aga_graphics,                 "prefer_aga_graphics"
9426   },
9427   {
9428     TYPE_SWITCH,
9429     &setup.prefer_lowpass_sounds,               "prefer_lowpass_sounds"
9430   },
9431   {
9432     TYPE_SWITCH,
9433     &setup.prefer_extra_panel_items,            "prefer_extra_panel_items"
9434   },
9435   {
9436     TYPE_SWITCH,
9437     &setup.game_speed_extended,                 "game_speed_extended"
9438   },
9439   {
9440     TYPE_INTEGER,
9441     &setup.game_frame_delay,                    "game_frame_delay"
9442   },
9443   {
9444     TYPE_SWITCH,
9445     &setup.sp_show_border_elements,             "sp_show_border_elements"
9446   },
9447   {
9448     TYPE_SWITCH,
9449     &setup.small_game_graphics,                 "small_game_graphics"
9450   },
9451   {
9452     TYPE_SWITCH,
9453     &setup.show_snapshot_buttons,               "show_snapshot_buttons"
9454   },
9455   {
9456     TYPE_STRING,
9457     &setup.graphics_set,                        "graphics_set"
9458   },
9459   {
9460     TYPE_STRING,
9461     &setup.sounds_set,                          "sounds_set"
9462   },
9463   {
9464     TYPE_STRING,
9465     &setup.music_set,                           "music_set"
9466   },
9467   {
9468     TYPE_SWITCH3,
9469     &setup.override_level_graphics,             "override_level_graphics"
9470   },
9471   {
9472     TYPE_SWITCH3,
9473     &setup.override_level_sounds,               "override_level_sounds"
9474   },
9475   {
9476     TYPE_SWITCH3,
9477     &setup.override_level_music,                "override_level_music"
9478   },
9479   {
9480     TYPE_INTEGER,
9481     &setup.volume_simple,                       "volume_simple"
9482   },
9483   {
9484     TYPE_INTEGER,
9485     &setup.volume_loops,                        "volume_loops"
9486   },
9487   {
9488     TYPE_INTEGER,
9489     &setup.volume_music,                        "volume_music"
9490   },
9491   {
9492     TYPE_SWITCH,
9493     &setup.network_mode,                        "network_mode"
9494   },
9495   {
9496     TYPE_PLAYER,
9497     &setup.network_player_nr,                   "network_player"
9498   },
9499   {
9500     TYPE_STRING,
9501     &setup.network_server_hostname,             "network_server_hostname"
9502   },
9503   {
9504     TYPE_STRING,
9505     &setup.touch.control_type,                  "touch.control_type"
9506   },
9507   {
9508     TYPE_INTEGER,
9509     &setup.touch.move_distance,                 "touch.move_distance"
9510   },
9511   {
9512     TYPE_INTEGER,
9513     &setup.touch.drop_distance,                 "touch.drop_distance"
9514   },
9515   {
9516     TYPE_INTEGER,
9517     &setup.touch.transparency,                  "touch.transparency"
9518   },
9519   {
9520     TYPE_INTEGER,
9521     &setup.touch.draw_outlined,                 "touch.draw_outlined"
9522   },
9523   {
9524     TYPE_INTEGER,
9525     &setup.touch.draw_pressed,                  "touch.draw_pressed"
9526   },
9527   {
9528     TYPE_INTEGER,
9529     &setup.touch.grid_xsize[0],                 "touch.virtual_buttons.0.xsize"
9530   },
9531   {
9532     TYPE_INTEGER,
9533     &setup.touch.grid_ysize[0],                 "touch.virtual_buttons.0.ysize"
9534   },
9535   {
9536     TYPE_INTEGER,
9537     &setup.touch.grid_xsize[1],                 "touch.virtual_buttons.1.xsize"
9538   },
9539   {
9540     TYPE_INTEGER,
9541     &setup.touch.grid_ysize[1],                 "touch.virtual_buttons.1.ysize"
9542   },
9543 };
9544
9545 static struct TokenInfo auto_setup_tokens[] =
9546 {
9547   {
9548     TYPE_INTEGER,
9549     &setup.auto_setup.editor_zoom_tilesize,     "editor.zoom_tilesize"
9550   },
9551 };
9552
9553 static struct TokenInfo editor_setup_tokens[] =
9554 {
9555   {
9556     TYPE_SWITCH,
9557     &setup.editor.el_classic,                   "editor.el_classic"
9558   },
9559   {
9560     TYPE_SWITCH,
9561     &setup.editor.el_custom,                    "editor.el_custom"
9562   },
9563   {
9564     TYPE_SWITCH,
9565     &setup.editor.el_user_defined,              "editor.el_user_defined"
9566   },
9567   {
9568     TYPE_SWITCH,
9569     &setup.editor.el_dynamic,                   "editor.el_dynamic"
9570   },
9571   {
9572     TYPE_SWITCH,
9573     &setup.editor.el_headlines,                 "editor.el_headlines"
9574   },
9575   {
9576     TYPE_SWITCH,
9577     &setup.editor.show_element_token,           "editor.show_element_token"
9578   },
9579   {
9580     TYPE_SWITCH,
9581     &setup.editor.show_read_only_warning,       "editor.show_read_only_warning"
9582   },
9583 };
9584
9585 static struct TokenInfo editor_cascade_setup_tokens[] =
9586 {
9587   {
9588     TYPE_SWITCH,
9589     &setup.editor_cascade.el_bd,                "editor.cascade.el_bd"
9590   },
9591   {
9592     TYPE_SWITCH,
9593     &setup.editor_cascade.el_em,                "editor.cascade.el_em"
9594   },
9595   {
9596     TYPE_SWITCH,
9597     &setup.editor_cascade.el_emc,               "editor.cascade.el_emc"
9598   },
9599   {
9600     TYPE_SWITCH,
9601     &setup.editor_cascade.el_rnd,               "editor.cascade.el_rnd"
9602   },
9603   {
9604     TYPE_SWITCH,
9605     &setup.editor_cascade.el_sb,                "editor.cascade.el_sb"
9606   },
9607   {
9608     TYPE_SWITCH,
9609     &setup.editor_cascade.el_sp,                "editor.cascade.el_sp"
9610   },
9611   {
9612     TYPE_SWITCH,
9613     &setup.editor_cascade.el_dc,                "editor.cascade.el_dc"
9614   },
9615   {
9616     TYPE_SWITCH,
9617     &setup.editor_cascade.el_dx,                "editor.cascade.el_dx"
9618   },
9619   {
9620     TYPE_SWITCH,
9621     &setup.editor_cascade.el_mm,                "editor.cascade.el_mm"
9622   },
9623   {
9624     TYPE_SWITCH,
9625     &setup.editor_cascade.el_df,                "editor.cascade.el_df"
9626   },
9627   {
9628     TYPE_SWITCH,
9629     &setup.editor_cascade.el_chars,             "editor.cascade.el_chars"
9630   },
9631   {
9632     TYPE_SWITCH,
9633     &setup.editor_cascade.el_steel_chars,       "editor.cascade.el_steel_chars"
9634   },
9635   {
9636     TYPE_SWITCH,
9637     &setup.editor_cascade.el_ce,                "editor.cascade.el_ce"
9638   },
9639   {
9640     TYPE_SWITCH,
9641     &setup.editor_cascade.el_ge,                "editor.cascade.el_ge"
9642   },
9643   {
9644     TYPE_SWITCH,
9645     &setup.editor_cascade.el_ref,               "editor.cascade.el_ref"
9646   },
9647   {
9648     TYPE_SWITCH,
9649     &setup.editor_cascade.el_user,              "editor.cascade.el_user"
9650   },
9651   {
9652     TYPE_SWITCH,
9653     &setup.editor_cascade.el_dynamic,           "editor.cascade.el_dynamic"
9654   },
9655 };
9656
9657 static struct TokenInfo shortcut_setup_tokens[] =
9658 {
9659   {
9660     TYPE_KEY_X11,
9661     &setup.shortcut.save_game,                  "shortcut.save_game"
9662   },
9663   {
9664     TYPE_KEY_X11,
9665     &setup.shortcut.load_game,                  "shortcut.load_game"
9666   },
9667   {
9668     TYPE_KEY_X11,
9669     &setup.shortcut.toggle_pause,               "shortcut.toggle_pause"
9670   },
9671   {
9672     TYPE_KEY_X11,
9673     &setup.shortcut.focus_player[0],            "shortcut.focus_player_1"
9674   },
9675   {
9676     TYPE_KEY_X11,
9677     &setup.shortcut.focus_player[1],            "shortcut.focus_player_2"
9678   },
9679   {
9680     TYPE_KEY_X11,
9681     &setup.shortcut.focus_player[2],            "shortcut.focus_player_3"
9682   },
9683   {
9684     TYPE_KEY_X11,
9685     &setup.shortcut.focus_player[3],            "shortcut.focus_player_4"
9686   },
9687   {
9688     TYPE_KEY_X11,
9689     &setup.shortcut.focus_player_all,           "shortcut.focus_player_all"
9690   },
9691   {
9692     TYPE_KEY_X11,
9693     &setup.shortcut.tape_eject,                 "shortcut.tape_eject"
9694   },
9695   {
9696     TYPE_KEY_X11,
9697     &setup.shortcut.tape_extra,                 "shortcut.tape_extra"
9698   },
9699   {
9700     TYPE_KEY_X11,
9701     &setup.shortcut.tape_stop,                  "shortcut.tape_stop"
9702   },
9703   {
9704     TYPE_KEY_X11,
9705     &setup.shortcut.tape_pause,                 "shortcut.tape_pause"
9706   },
9707   {
9708     TYPE_KEY_X11,
9709     &setup.shortcut.tape_record,                "shortcut.tape_record"
9710   },
9711   {
9712     TYPE_KEY_X11,
9713     &setup.shortcut.tape_play,                  "shortcut.tape_play"
9714   },
9715   {
9716     TYPE_KEY_X11,
9717     &setup.shortcut.sound_simple,               "shortcut.sound_simple"
9718   },
9719   {
9720     TYPE_KEY_X11,
9721     &setup.shortcut.sound_loops,                "shortcut.sound_loops"
9722   },
9723   {
9724     TYPE_KEY_X11,
9725     &setup.shortcut.sound_music,                "shortcut.sound_music"
9726   },
9727   {
9728     TYPE_KEY_X11,
9729     &setup.shortcut.snap_left,                  "shortcut.snap_left"
9730   },
9731   {
9732     TYPE_KEY_X11,
9733     &setup.shortcut.snap_right,                 "shortcut.snap_right"
9734   },
9735   {
9736     TYPE_KEY_X11,
9737     &setup.shortcut.snap_up,                    "shortcut.snap_up"
9738   },
9739   {
9740     TYPE_KEY_X11,
9741     &setup.shortcut.snap_down,                  "shortcut.snap_down"
9742   },
9743 };
9744
9745 static struct SetupInputInfo setup_input;
9746 static struct TokenInfo player_setup_tokens[] =
9747 {
9748   {
9749     TYPE_BOOLEAN,
9750     &setup_input.use_joystick,                  ".use_joystick"
9751   },
9752   {
9753     TYPE_STRING,
9754     &setup_input.joy.device_name,               ".joy.device_name"
9755   },
9756   {
9757     TYPE_INTEGER,
9758     &setup_input.joy.xleft,                     ".joy.xleft"
9759   },
9760   {
9761     TYPE_INTEGER,
9762     &setup_input.joy.xmiddle,                   ".joy.xmiddle"
9763   },
9764   {
9765     TYPE_INTEGER,
9766     &setup_input.joy.xright,                    ".joy.xright"
9767   },
9768   {
9769     TYPE_INTEGER,
9770     &setup_input.joy.yupper,                    ".joy.yupper"
9771   },
9772   {
9773     TYPE_INTEGER,
9774     &setup_input.joy.ymiddle,                   ".joy.ymiddle"
9775   },
9776   {
9777     TYPE_INTEGER,
9778     &setup_input.joy.ylower,                    ".joy.ylower"
9779   },
9780   {
9781     TYPE_INTEGER,
9782     &setup_input.joy.snap,                      ".joy.snap_field"
9783   },
9784   {
9785     TYPE_INTEGER,
9786     &setup_input.joy.drop,                      ".joy.place_bomb"
9787   },
9788   {
9789     TYPE_KEY_X11,
9790     &setup_input.key.left,                      ".key.move_left"
9791   },
9792   {
9793     TYPE_KEY_X11,
9794     &setup_input.key.right,                     ".key.move_right"
9795   },
9796   {
9797     TYPE_KEY_X11,
9798     &setup_input.key.up,                        ".key.move_up"
9799   },
9800   {
9801     TYPE_KEY_X11,
9802     &setup_input.key.down,                      ".key.move_down"
9803   },
9804   {
9805     TYPE_KEY_X11,
9806     &setup_input.key.snap,                      ".key.snap_field"
9807   },
9808   {
9809     TYPE_KEY_X11,
9810     &setup_input.key.drop,                      ".key.place_bomb"
9811   },
9812 };
9813
9814 static struct TokenInfo system_setup_tokens[] =
9815 {
9816   {
9817     TYPE_STRING,
9818     &setup.system.sdl_renderdriver,             "system.sdl_renderdriver"
9819   },
9820   {
9821     TYPE_STRING,
9822     &setup.system.sdl_videodriver,              "system.sdl_videodriver"
9823   },
9824   {
9825     TYPE_STRING,
9826     &setup.system.sdl_audiodriver,              "system.sdl_audiodriver"
9827   },
9828   {
9829     TYPE_INTEGER,
9830     &setup.system.audio_fragment_size,          "system.audio_fragment_size"
9831   },
9832 };
9833
9834 static struct TokenInfo internal_setup_tokens[] =
9835 {
9836   {
9837     TYPE_STRING,
9838     &setup.internal.program_title,              "program_title"
9839   },
9840   {
9841     TYPE_STRING,
9842     &setup.internal.program_version,            "program_version"
9843   },
9844   {
9845     TYPE_STRING,
9846     &setup.internal.program_author,             "program_author"
9847   },
9848   {
9849     TYPE_STRING,
9850     &setup.internal.program_email,              "program_email"
9851   },
9852   {
9853     TYPE_STRING,
9854     &setup.internal.program_website,            "program_website"
9855   },
9856   {
9857     TYPE_STRING,
9858     &setup.internal.program_copyright,          "program_copyright"
9859   },
9860   {
9861     TYPE_STRING,
9862     &setup.internal.program_company,            "program_company"
9863   },
9864   {
9865     TYPE_STRING,
9866     &setup.internal.program_icon_file,          "program_icon_file"
9867   },
9868   {
9869     TYPE_STRING,
9870     &setup.internal.default_graphics_set,       "default_graphics_set"
9871   },
9872   {
9873     TYPE_STRING,
9874     &setup.internal.default_sounds_set,         "default_sounds_set"
9875   },
9876   {
9877     TYPE_STRING,
9878     &setup.internal.default_music_set,          "default_music_set"
9879   },
9880   {
9881     TYPE_STRING,
9882     &setup.internal.fallback_graphics_file,     "fallback_graphics_file"
9883   },
9884   {
9885     TYPE_STRING,
9886     &setup.internal.fallback_sounds_file,       "fallback_sounds_file"
9887   },
9888   {
9889     TYPE_STRING,
9890     &setup.internal.fallback_music_file,        "fallback_music_file"
9891   },
9892   {
9893     TYPE_STRING,
9894     &setup.internal.default_level_series,       "default_level_series"
9895   },
9896   {
9897     TYPE_INTEGER,
9898     &setup.internal.default_window_width,       "default_window_width"
9899   },
9900   {
9901     TYPE_INTEGER,
9902     &setup.internal.default_window_height,      "default_window_height"
9903   },
9904   {
9905     TYPE_BOOLEAN,
9906     &setup.internal.choose_from_top_leveldir,   "choose_from_top_leveldir"
9907   },
9908   {
9909     TYPE_BOOLEAN,
9910     &setup.internal.show_scaling_in_title,      "show_scaling_in_title"
9911   },
9912   {
9913     TYPE_BOOLEAN,
9914     &setup.internal.create_user_levelset,       "create_user_levelset"
9915   },
9916   {
9917     TYPE_BOOLEAN,
9918     &setup.internal.menu_game,                  "menu_game"
9919   },
9920   {
9921     TYPE_BOOLEAN,
9922     &setup.internal.menu_editor,                "menu_editor"
9923   },
9924   {
9925     TYPE_BOOLEAN,
9926     &setup.internal.menu_graphics,              "menu_graphics"
9927   },
9928   {
9929     TYPE_BOOLEAN,
9930     &setup.internal.menu_sound,                 "menu_sound"
9931   },
9932   {
9933     TYPE_BOOLEAN,
9934     &setup.internal.menu_artwork,               "menu_artwork"
9935   },
9936   {
9937     TYPE_BOOLEAN,
9938     &setup.internal.menu_input,                 "menu_input"
9939   },
9940   {
9941     TYPE_BOOLEAN,
9942     &setup.internal.menu_touch,                 "menu_touch"
9943   },
9944   {
9945     TYPE_BOOLEAN,
9946     &setup.internal.menu_shortcuts,             "menu_shortcuts"
9947   },
9948   {
9949     TYPE_BOOLEAN,
9950     &setup.internal.menu_exit,                  "menu_exit"
9951   },
9952   {
9953     TYPE_BOOLEAN,
9954     &setup.internal.menu_save_and_exit,         "menu_save_and_exit"
9955   },
9956 };
9957
9958 static struct TokenInfo debug_setup_tokens[] =
9959 {
9960   {
9961     TYPE_INTEGER,
9962     &setup.debug.frame_delay[0],                "debug.frame_delay_0"
9963   },
9964   {
9965     TYPE_INTEGER,
9966     &setup.debug.frame_delay[1],                "debug.frame_delay_1"
9967   },
9968   {
9969     TYPE_INTEGER,
9970     &setup.debug.frame_delay[2],                "debug.frame_delay_2"
9971   },
9972   {
9973     TYPE_INTEGER,
9974     &setup.debug.frame_delay[3],                "debug.frame_delay_3"
9975   },
9976   {
9977     TYPE_INTEGER,
9978     &setup.debug.frame_delay[4],                "debug.frame_delay_4"
9979   },
9980   {
9981     TYPE_INTEGER,
9982     &setup.debug.frame_delay[5],                "debug.frame_delay_5"
9983   },
9984   {
9985     TYPE_INTEGER,
9986     &setup.debug.frame_delay[6],                "debug.frame_delay_6"
9987   },
9988   {
9989     TYPE_INTEGER,
9990     &setup.debug.frame_delay[7],                "debug.frame_delay_7"
9991   },
9992   {
9993     TYPE_INTEGER,
9994     &setup.debug.frame_delay[8],                "debug.frame_delay_8"
9995   },
9996   {
9997     TYPE_INTEGER,
9998     &setup.debug.frame_delay[9],                "debug.frame_delay_9"
9999   },
10000   {
10001     TYPE_KEY_X11,
10002     &setup.debug.frame_delay_key[0],            "debug.key.frame_delay_0"
10003   },
10004   {
10005     TYPE_KEY_X11,
10006     &setup.debug.frame_delay_key[1],            "debug.key.frame_delay_1"
10007   },
10008   {
10009     TYPE_KEY_X11,
10010     &setup.debug.frame_delay_key[2],            "debug.key.frame_delay_2"
10011   },
10012   {
10013     TYPE_KEY_X11,
10014     &setup.debug.frame_delay_key[3],            "debug.key.frame_delay_3"
10015   },
10016   {
10017     TYPE_KEY_X11,
10018     &setup.debug.frame_delay_key[4],            "debug.key.frame_delay_4"
10019   },
10020   {
10021     TYPE_KEY_X11,
10022     &setup.debug.frame_delay_key[5],            "debug.key.frame_delay_5"
10023   },
10024   {
10025     TYPE_KEY_X11,
10026     &setup.debug.frame_delay_key[6],            "debug.key.frame_delay_6"
10027   },
10028   {
10029     TYPE_KEY_X11,
10030     &setup.debug.frame_delay_key[7],            "debug.key.frame_delay_7"
10031   },
10032   {
10033     TYPE_KEY_X11,
10034     &setup.debug.frame_delay_key[8],            "debug.key.frame_delay_8"
10035   },
10036   {
10037     TYPE_KEY_X11,
10038     &setup.debug.frame_delay_key[9],            "debug.key.frame_delay_9"
10039   },
10040   {
10041     TYPE_BOOLEAN,
10042     &setup.debug.frame_delay_use_mod_key,       "debug.frame_delay.use_mod_key"},
10043   {
10044     TYPE_BOOLEAN,
10045     &setup.debug.frame_delay_game_only,         "debug.frame_delay.game_only"
10046   },
10047   {
10048     TYPE_BOOLEAN,
10049     &setup.debug.show_frames_per_second,        "debug.show_frames_per_second"
10050   },
10051   {
10052     TYPE_SWITCH3,
10053     &setup.debug.xsn_mode,                      "debug.xsn_mode"
10054   },
10055   {
10056     TYPE_INTEGER,
10057     &setup.debug.xsn_percent,                   "debug.xsn_percent"
10058   },
10059 };
10060
10061 static struct TokenInfo options_setup_tokens[] =
10062 {
10063   {
10064     TYPE_BOOLEAN,
10065     &setup.options.verbose,                     "options.verbose"
10066   },
10067 };
10068
10069 static void setSetupInfoToDefaults(struct SetupInfo *si)
10070 {
10071   int i;
10072
10073   si->player_name = getStringCopy(getDefaultUserName(user.nr));
10074
10075   si->multiple_users = TRUE;
10076
10077   si->sound = TRUE;
10078   si->sound_loops = TRUE;
10079   si->sound_music = TRUE;
10080   si->sound_simple = TRUE;
10081   si->toons = TRUE;
10082   si->scroll_delay = TRUE;
10083   si->forced_scroll_delay = FALSE;
10084   si->scroll_delay_value = STD_SCROLL_DELAY;
10085   si->engine_snapshot_mode = getStringCopy(STR_SNAPSHOT_MODE_DEFAULT);
10086   si->engine_snapshot_memory = SNAPSHOT_MEMORY_DEFAULT;
10087   si->fade_screens = TRUE;
10088   si->autorecord = TRUE;
10089   si->show_titlescreen = TRUE;
10090   si->quick_doors = FALSE;
10091   si->team_mode = FALSE;
10092   si->handicap = TRUE;
10093   si->skip_levels = TRUE;
10094   si->increment_levels = TRUE;
10095   si->auto_play_next_level = TRUE;
10096   si->count_score_after_game = TRUE;
10097   si->show_scores_after_game = TRUE;
10098   si->time_limit = TRUE;
10099   si->fullscreen = FALSE;
10100   si->window_scaling_percent = STD_WINDOW_SCALING_PERCENT;
10101   si->window_scaling_quality = getStringCopy(SCALING_QUALITY_DEFAULT);
10102   si->screen_rendering_mode = getStringCopy(STR_SPECIAL_RENDERING_DEFAULT);
10103   si->vsync_mode = getStringCopy(STR_VSYNC_MODE_DEFAULT);
10104   si->ask_on_escape = TRUE;
10105   si->ask_on_escape_editor = TRUE;
10106   si->ask_on_game_over = TRUE;
10107   si->ask_on_quit_game = TRUE;
10108   si->ask_on_quit_program = TRUE;
10109   si->quick_switch = FALSE;
10110   si->input_on_focus = FALSE;
10111   si->prefer_aga_graphics = TRUE;
10112   si->prefer_lowpass_sounds = FALSE;
10113   si->prefer_extra_panel_items = TRUE;
10114   si->game_speed_extended = FALSE;
10115   si->game_frame_delay = GAME_FRAME_DELAY;
10116   si->sp_show_border_elements = FALSE;
10117   si->small_game_graphics = FALSE;
10118   si->show_snapshot_buttons = FALSE;
10119
10120   si->graphics_set = getStringCopy(GFX_CLASSIC_SUBDIR);
10121   si->sounds_set   = getStringCopy(SND_CLASSIC_SUBDIR);
10122   si->music_set    = getStringCopy(MUS_CLASSIC_SUBDIR);
10123
10124   si->override_level_graphics = FALSE;
10125   si->override_level_sounds = FALSE;
10126   si->override_level_music = FALSE;
10127
10128   si->volume_simple = 100;              // percent
10129   si->volume_loops = 100;               // percent
10130   si->volume_music = 100;               // percent
10131
10132   si->network_mode = FALSE;
10133   si->network_player_nr = 0;            // first player
10134   si->network_server_hostname = getStringCopy(STR_NETWORK_AUTO_DETECT);
10135
10136   si->touch.control_type = getStringCopy(TOUCH_CONTROL_DEFAULT);
10137   si->touch.move_distance = TOUCH_MOVE_DISTANCE_DEFAULT;        // percent
10138   si->touch.drop_distance = TOUCH_DROP_DISTANCE_DEFAULT;        // percent
10139   si->touch.transparency = TOUCH_TRANSPARENCY_DEFAULT;          // percent
10140   si->touch.draw_outlined = TRUE;
10141   si->touch.draw_pressed = TRUE;
10142
10143   for (i = 0; i < 2; i++)
10144   {
10145     char *default_grid_button[6][2] =
10146     {
10147       { "      ", "  ^^  " },
10148       { "      ", "  ^^  " },
10149       { "      ", "<<  >>" },
10150       { "      ", "<<  >>" },
10151       { "111222", "  vv  " },
10152       { "111222", "  vv  " }
10153     };
10154     int grid_xsize = DEFAULT_GRID_XSIZE(i);
10155     int grid_ysize = DEFAULT_GRID_YSIZE(i);
10156     int min_xsize = MIN(6, grid_xsize);
10157     int min_ysize = MIN(6, grid_ysize);
10158     int startx = grid_xsize - min_xsize;
10159     int starty = grid_ysize - min_ysize;
10160     int x, y;
10161
10162     // virtual buttons grid can only be set to defaults if video is initialized
10163     // (this will be repeated if virtual buttons are not loaded from setup file)
10164     if (video.initialized)
10165     {
10166       si->touch.grid_xsize[i] = grid_xsize;
10167       si->touch.grid_ysize[i] = grid_ysize;
10168     }
10169     else
10170     {
10171       si->touch.grid_xsize[i] = -1;
10172       si->touch.grid_ysize[i] = -1;
10173     }
10174
10175     for (x = 0; x < MAX_GRID_XSIZE; x++)
10176       for (y = 0; y < MAX_GRID_YSIZE; y++)
10177         si->touch.grid_button[i][x][y] = CHAR_GRID_BUTTON_NONE;
10178
10179     for (x = 0; x < min_xsize; x++)
10180       for (y = 0; y < min_ysize; y++)
10181         si->touch.grid_button[i][x][starty + y] =
10182           default_grid_button[y][0][x];
10183
10184     for (x = 0; x < min_xsize; x++)
10185       for (y = 0; y < min_ysize; y++)
10186         si->touch.grid_button[i][startx + x][starty + y] =
10187           default_grid_button[y][1][x];
10188   }
10189
10190   si->touch.grid_initialized            = video.initialized;
10191
10192   si->editor.el_boulderdash             = TRUE;
10193   si->editor.el_emerald_mine            = TRUE;
10194   si->editor.el_emerald_mine_club       = TRUE;
10195   si->editor.el_more                    = TRUE;
10196   si->editor.el_sokoban                 = TRUE;
10197   si->editor.el_supaplex                = TRUE;
10198   si->editor.el_diamond_caves           = TRUE;
10199   si->editor.el_dx_boulderdash          = TRUE;
10200
10201   si->editor.el_mirror_magic            = TRUE;
10202   si->editor.el_deflektor               = TRUE;
10203
10204   si->editor.el_chars                   = TRUE;
10205   si->editor.el_steel_chars             = TRUE;
10206
10207   si->editor.el_classic                 = TRUE;
10208   si->editor.el_custom                  = TRUE;
10209
10210   si->editor.el_user_defined            = FALSE;
10211   si->editor.el_dynamic                 = TRUE;
10212
10213   si->editor.el_headlines               = TRUE;
10214
10215   si->editor.show_element_token         = FALSE;
10216
10217   si->editor.show_read_only_warning     = TRUE;
10218
10219   si->editor.use_template_for_new_levels = TRUE;
10220
10221   si->shortcut.save_game        = DEFAULT_KEY_SAVE_GAME;
10222   si->shortcut.load_game        = DEFAULT_KEY_LOAD_GAME;
10223   si->shortcut.toggle_pause     = DEFAULT_KEY_TOGGLE_PAUSE;
10224
10225   si->shortcut.focus_player[0]  = DEFAULT_KEY_FOCUS_PLAYER_1;
10226   si->shortcut.focus_player[1]  = DEFAULT_KEY_FOCUS_PLAYER_2;
10227   si->shortcut.focus_player[2]  = DEFAULT_KEY_FOCUS_PLAYER_3;
10228   si->shortcut.focus_player[3]  = DEFAULT_KEY_FOCUS_PLAYER_4;
10229   si->shortcut.focus_player_all = DEFAULT_KEY_FOCUS_PLAYER_ALL;
10230
10231   si->shortcut.tape_eject       = DEFAULT_KEY_TAPE_EJECT;
10232   si->shortcut.tape_extra       = DEFAULT_KEY_TAPE_EXTRA;
10233   si->shortcut.tape_stop        = DEFAULT_KEY_TAPE_STOP;
10234   si->shortcut.tape_pause       = DEFAULT_KEY_TAPE_PAUSE;
10235   si->shortcut.tape_record      = DEFAULT_KEY_TAPE_RECORD;
10236   si->shortcut.tape_play        = DEFAULT_KEY_TAPE_PLAY;
10237
10238   si->shortcut.sound_simple     = DEFAULT_KEY_SOUND_SIMPLE;
10239   si->shortcut.sound_loops      = DEFAULT_KEY_SOUND_LOOPS;
10240   si->shortcut.sound_music      = DEFAULT_KEY_SOUND_MUSIC;
10241
10242   si->shortcut.snap_left        = DEFAULT_KEY_SNAP_LEFT;
10243   si->shortcut.snap_right       = DEFAULT_KEY_SNAP_RIGHT;
10244   si->shortcut.snap_up          = DEFAULT_KEY_SNAP_UP;
10245   si->shortcut.snap_down        = DEFAULT_KEY_SNAP_DOWN;
10246
10247   for (i = 0; i < MAX_PLAYERS; i++)
10248   {
10249     si->input[i].use_joystick = FALSE;
10250     si->input[i].joy.device_name=getStringCopy(getDeviceNameFromJoystickNr(i));
10251     si->input[i].joy.xleft   = JOYSTICK_XLEFT;
10252     si->input[i].joy.xmiddle = JOYSTICK_XMIDDLE;
10253     si->input[i].joy.xright  = JOYSTICK_XRIGHT;
10254     si->input[i].joy.yupper  = JOYSTICK_YUPPER;
10255     si->input[i].joy.ymiddle = JOYSTICK_YMIDDLE;
10256     si->input[i].joy.ylower  = JOYSTICK_YLOWER;
10257     si->input[i].joy.snap  = (i == 0 ? JOY_BUTTON_1 : 0);
10258     si->input[i].joy.drop  = (i == 0 ? JOY_BUTTON_2 : 0);
10259     si->input[i].key.left  = (i == 0 ? DEFAULT_KEY_LEFT  : KSYM_UNDEFINED);
10260     si->input[i].key.right = (i == 0 ? DEFAULT_KEY_RIGHT : KSYM_UNDEFINED);
10261     si->input[i].key.up    = (i == 0 ? DEFAULT_KEY_UP    : KSYM_UNDEFINED);
10262     si->input[i].key.down  = (i == 0 ? DEFAULT_KEY_DOWN  : KSYM_UNDEFINED);
10263     si->input[i].key.snap  = (i == 0 ? DEFAULT_KEY_SNAP  : KSYM_UNDEFINED);
10264     si->input[i].key.drop  = (i == 0 ? DEFAULT_KEY_DROP  : KSYM_UNDEFINED);
10265   }
10266
10267   si->system.sdl_renderdriver = getStringCopy(ARG_DEFAULT);
10268   si->system.sdl_videodriver = getStringCopy(ARG_DEFAULT);
10269   si->system.sdl_audiodriver = getStringCopy(ARG_DEFAULT);
10270   si->system.audio_fragment_size = DEFAULT_AUDIO_FRAGMENT_SIZE;
10271
10272   si->internal.program_title     = getStringCopy(PROGRAM_TITLE_STRING);
10273   si->internal.program_version   = getStringCopy(getProgramRealVersionString());
10274   si->internal.program_author    = getStringCopy(PROGRAM_AUTHOR_STRING);
10275   si->internal.program_email     = getStringCopy(PROGRAM_EMAIL_STRING);
10276   si->internal.program_website   = getStringCopy(PROGRAM_WEBSITE_STRING);
10277   si->internal.program_copyright = getStringCopy(PROGRAM_COPYRIGHT_STRING);
10278   si->internal.program_company   = getStringCopy(PROGRAM_COMPANY_STRING);
10279
10280   si->internal.program_icon_file = getStringCopy(PROGRAM_ICON_FILENAME);
10281
10282   si->internal.default_graphics_set = getStringCopy(GFX_CLASSIC_SUBDIR);
10283   si->internal.default_sounds_set   = getStringCopy(SND_CLASSIC_SUBDIR);
10284   si->internal.default_music_set    = getStringCopy(MUS_CLASSIC_SUBDIR);
10285
10286   si->internal.fallback_graphics_file = getStringCopy(UNDEFINED_FILENAME);
10287   si->internal.fallback_sounds_file   = getStringCopy(UNDEFINED_FILENAME);
10288   si->internal.fallback_music_file    = getStringCopy(UNDEFINED_FILENAME);
10289
10290   si->internal.default_level_series = getStringCopy(UNDEFINED_LEVELSET);
10291   si->internal.choose_from_top_leveldir = FALSE;
10292   si->internal.show_scaling_in_title = TRUE;
10293   si->internal.create_user_levelset = TRUE;
10294
10295   si->internal.default_window_width  = WIN_XSIZE_DEFAULT;
10296   si->internal.default_window_height = WIN_YSIZE_DEFAULT;
10297
10298   si->debug.frame_delay[0] = DEFAULT_FRAME_DELAY_0;
10299   si->debug.frame_delay[1] = DEFAULT_FRAME_DELAY_1;
10300   si->debug.frame_delay[2] = DEFAULT_FRAME_DELAY_2;
10301   si->debug.frame_delay[3] = DEFAULT_FRAME_DELAY_3;
10302   si->debug.frame_delay[4] = DEFAULT_FRAME_DELAY_4;
10303   si->debug.frame_delay[5] = DEFAULT_FRAME_DELAY_5;
10304   si->debug.frame_delay[6] = DEFAULT_FRAME_DELAY_6;
10305   si->debug.frame_delay[7] = DEFAULT_FRAME_DELAY_7;
10306   si->debug.frame_delay[8] = DEFAULT_FRAME_DELAY_8;
10307   si->debug.frame_delay[9] = DEFAULT_FRAME_DELAY_9;
10308
10309   si->debug.frame_delay_key[0] = DEFAULT_KEY_FRAME_DELAY_0;
10310   si->debug.frame_delay_key[1] = DEFAULT_KEY_FRAME_DELAY_1;
10311   si->debug.frame_delay_key[2] = DEFAULT_KEY_FRAME_DELAY_2;
10312   si->debug.frame_delay_key[3] = DEFAULT_KEY_FRAME_DELAY_3;
10313   si->debug.frame_delay_key[4] = DEFAULT_KEY_FRAME_DELAY_4;
10314   si->debug.frame_delay_key[5] = DEFAULT_KEY_FRAME_DELAY_5;
10315   si->debug.frame_delay_key[6] = DEFAULT_KEY_FRAME_DELAY_6;
10316   si->debug.frame_delay_key[7] = DEFAULT_KEY_FRAME_DELAY_7;
10317   si->debug.frame_delay_key[8] = DEFAULT_KEY_FRAME_DELAY_8;
10318   si->debug.frame_delay_key[9] = DEFAULT_KEY_FRAME_DELAY_9;
10319
10320   si->debug.frame_delay_use_mod_key = DEFAULT_FRAME_DELAY_USE_MOD_KEY;
10321   si->debug.frame_delay_game_only   = DEFAULT_FRAME_DELAY_GAME_ONLY;
10322
10323   si->debug.show_frames_per_second = FALSE;
10324
10325   si->debug.xsn_mode = AUTO;
10326   si->debug.xsn_percent = 0;
10327
10328   si->options.verbose = FALSE;
10329
10330 #if defined(PLATFORM_ANDROID)
10331   si->fullscreen = TRUE;
10332 #endif
10333
10334   setHideSetupEntry(&setup.debug.xsn_mode);
10335 }
10336
10337 static void setSetupInfoToDefaults_AutoSetup(struct SetupInfo *si)
10338 {
10339   si->auto_setup.editor_zoom_tilesize = MINI_TILESIZE;
10340 }
10341
10342 static void setSetupInfoToDefaults_EditorCascade(struct SetupInfo *si)
10343 {
10344   si->editor_cascade.el_bd              = TRUE;
10345   si->editor_cascade.el_em              = TRUE;
10346   si->editor_cascade.el_emc             = TRUE;
10347   si->editor_cascade.el_rnd             = TRUE;
10348   si->editor_cascade.el_sb              = TRUE;
10349   si->editor_cascade.el_sp              = TRUE;
10350   si->editor_cascade.el_dc              = TRUE;
10351   si->editor_cascade.el_dx              = TRUE;
10352
10353   si->editor_cascade.el_mm              = TRUE;
10354   si->editor_cascade.el_df              = TRUE;
10355
10356   si->editor_cascade.el_chars           = FALSE;
10357   si->editor_cascade.el_steel_chars     = FALSE;
10358   si->editor_cascade.el_ce              = FALSE;
10359   si->editor_cascade.el_ge              = FALSE;
10360   si->editor_cascade.el_ref             = FALSE;
10361   si->editor_cascade.el_user            = FALSE;
10362   si->editor_cascade.el_dynamic         = FALSE;
10363 }
10364
10365 #define MAX_HIDE_SETUP_TOKEN_SIZE               20
10366
10367 static char *getHideSetupToken(void *setup_value)
10368 {
10369   static char hide_setup_token[MAX_HIDE_SETUP_TOKEN_SIZE];
10370
10371   if (setup_value != NULL)
10372     snprintf(hide_setup_token, MAX_HIDE_SETUP_TOKEN_SIZE, "%p", setup_value);
10373
10374   return hide_setup_token;
10375 }
10376
10377 void setHideSetupEntry(void *setup_value)
10378 {
10379   char *hide_setup_token = getHideSetupToken(setup_value);
10380
10381   if (hide_setup_hash == NULL)
10382     hide_setup_hash = newSetupFileHash();
10383
10384   if (setup_value != NULL)
10385     setHashEntry(hide_setup_hash, hide_setup_token, "");
10386 }
10387
10388 void removeHideSetupEntry(void *setup_value)
10389 {
10390   char *hide_setup_token = getHideSetupToken(setup_value);
10391
10392   if (setup_value != NULL)
10393     removeHashEntry(hide_setup_hash, hide_setup_token);
10394 }
10395
10396 boolean hideSetupEntry(void *setup_value)
10397 {
10398   char *hide_setup_token = getHideSetupToken(setup_value);
10399
10400   return (setup_value != NULL &&
10401           getHashEntry(hide_setup_hash, hide_setup_token) != NULL);
10402 }
10403
10404 static void setSetupInfoFromTokenText(SetupFileHash *setup_file_hash,
10405                                       struct TokenInfo *token_info,
10406                                       int token_nr, char *token_text)
10407 {
10408   char *token_hide_text = getStringCat2(token_text, ".hide");
10409   char *token_hide_value = getHashEntry(setup_file_hash, token_hide_text);
10410
10411   // set the value of this setup option in the setup option structure
10412   setSetupInfo(token_info, token_nr, getHashEntry(setup_file_hash, token_text));
10413
10414   // check if this setup option should be hidden in the setup menu
10415   if (token_hide_value != NULL && get_boolean_from_string(token_hide_value))
10416     setHideSetupEntry(token_info[token_nr].value);
10417
10418   free(token_hide_text);
10419 }
10420
10421 static void setSetupInfoFromTokenInfo(SetupFileHash *setup_file_hash,
10422                                       struct TokenInfo *token_info,
10423                                       int token_nr)
10424 {
10425   setSetupInfoFromTokenText(setup_file_hash, token_info, token_nr,
10426                             token_info[token_nr].text);
10427 }
10428
10429 static void decodeSetupFileHash(SetupFileHash *setup_file_hash)
10430 {
10431   int i, pnr;
10432
10433   if (!setup_file_hash)
10434     return;
10435
10436   for (i = 0; i < ARRAY_SIZE(global_setup_tokens); i++)
10437     setSetupInfoFromTokenInfo(setup_file_hash, global_setup_tokens, i);
10438
10439   setup.touch.grid_initialized = TRUE;
10440   for (i = 0; i < 2; i++)
10441   {
10442     int grid_xsize = setup.touch.grid_xsize[i];
10443     int grid_ysize = setup.touch.grid_ysize[i];
10444     int x, y;
10445
10446     // if virtual buttons are not loaded from setup file, repeat initializing
10447     // virtual buttons grid with default values later when video is initialized
10448     if (grid_xsize == -1 ||
10449         grid_ysize == -1)
10450     {
10451       setup.touch.grid_initialized = FALSE;
10452
10453       continue;
10454     }
10455
10456     for (y = 0; y < grid_ysize; y++)
10457     {
10458       char token_string[MAX_LINE_LEN];
10459
10460       sprintf(token_string, "touch.virtual_buttons.%d.%02d", i, y);
10461
10462       char *value_string = getHashEntry(setup_file_hash, token_string);
10463
10464       if (value_string == NULL)
10465         continue;
10466
10467       for (x = 0; x < grid_xsize; x++)
10468       {
10469         char c = value_string[x];
10470
10471         setup.touch.grid_button[i][x][y] =
10472           (c == '.' ? CHAR_GRID_BUTTON_NONE : c);
10473       }
10474     }
10475   }
10476
10477   for (i = 0; i < ARRAY_SIZE(editor_setup_tokens); i++)
10478     setSetupInfoFromTokenInfo(setup_file_hash, editor_setup_tokens, i);
10479
10480   for (i = 0; i < ARRAY_SIZE(shortcut_setup_tokens); i++)
10481     setSetupInfoFromTokenInfo(setup_file_hash, shortcut_setup_tokens, i);
10482
10483   for (pnr = 0; pnr < MAX_PLAYERS; pnr++)
10484   {
10485     char prefix[30];
10486
10487     sprintf(prefix, "%s%d", TOKEN_STR_PLAYER_PREFIX, pnr + 1);
10488
10489     setup_input = setup.input[pnr];
10490     for (i = 0; i < ARRAY_SIZE(player_setup_tokens); i++)
10491     {
10492       char full_token[100];
10493
10494       sprintf(full_token, "%s%s", prefix, player_setup_tokens[i].text);
10495       setSetupInfoFromTokenText(setup_file_hash, player_setup_tokens, i,
10496                                 full_token);
10497     }
10498     setup.input[pnr] = setup_input;
10499   }
10500
10501   for (i = 0; i < ARRAY_SIZE(system_setup_tokens); i++)
10502     setSetupInfoFromTokenInfo(setup_file_hash, system_setup_tokens, i);
10503
10504   for (i = 0; i < ARRAY_SIZE(internal_setup_tokens); i++)
10505     setSetupInfoFromTokenInfo(setup_file_hash, internal_setup_tokens, i);
10506
10507   for (i = 0; i < ARRAY_SIZE(debug_setup_tokens); i++)
10508     setSetupInfoFromTokenInfo(setup_file_hash, debug_setup_tokens, i);
10509
10510   for (i = 0; i < ARRAY_SIZE(options_setup_tokens); i++)
10511     setSetupInfoFromTokenInfo(setup_file_hash, options_setup_tokens, i);
10512
10513   setHideRelatedSetupEntries();
10514 }
10515
10516 static void decodeSetupFileHash_AutoSetup(SetupFileHash *setup_file_hash)
10517 {
10518   int i;
10519
10520   if (!setup_file_hash)
10521     return;
10522
10523   for (i = 0; i < ARRAY_SIZE(auto_setup_tokens); i++)
10524     setSetupInfo(auto_setup_tokens, i,
10525                  getHashEntry(setup_file_hash,
10526                               auto_setup_tokens[i].text));
10527 }
10528
10529 static void decodeSetupFileHash_EditorCascade(SetupFileHash *setup_file_hash)
10530 {
10531   int i;
10532
10533   if (!setup_file_hash)
10534     return;
10535
10536   for (i = 0; i < ARRAY_SIZE(editor_cascade_setup_tokens); i++)
10537     setSetupInfo(editor_cascade_setup_tokens, i,
10538                  getHashEntry(setup_file_hash,
10539                               editor_cascade_setup_tokens[i].text));
10540 }
10541
10542 void LoadUserNames(void)
10543 {
10544   int last_user_nr = user.nr;
10545   int i;
10546
10547   if (global.user_names != NULL)
10548   {
10549     for (i = 0; i < MAX_PLAYER_NAMES; i++)
10550       checked_free(global.user_names[i]);
10551
10552     checked_free(global.user_names);
10553   }
10554
10555   global.user_names = checked_calloc(MAX_PLAYER_NAMES * sizeof(char *));
10556
10557   for (i = 0; i < MAX_PLAYER_NAMES; i++)
10558   {
10559     user.nr = i;
10560
10561     SetupFileHash *setup_file_hash = loadSetupFileHash(getSetupFilename());
10562
10563     if (setup_file_hash)
10564     {
10565       char *player_name = getHashEntry(setup_file_hash, "player_name");
10566
10567       global.user_names[i] = getFixedUserName(player_name);
10568
10569       freeSetupFileHash(setup_file_hash);
10570     }
10571
10572     if (global.user_names[i] == NULL)
10573       global.user_names[i] = getStringCopy(getDefaultUserName(i));
10574   }
10575
10576   user.nr = last_user_nr;
10577 }
10578
10579 void LoadSetupFromFilename(char *filename)
10580 {
10581   SetupFileHash *setup_file_hash = loadSetupFileHash(filename);
10582
10583   if (setup_file_hash)
10584   {
10585     decodeSetupFileHash(setup_file_hash);
10586
10587     freeSetupFileHash(setup_file_hash);
10588   }
10589   else
10590   {
10591     Debug("setup", "using default setup values");
10592   }
10593 }
10594
10595 static void LoadSetup_SpecialPostProcessing(void)
10596 {
10597   char *player_name_new;
10598
10599   // needed to work around problems with fixed length strings
10600   player_name_new = getFixedUserName(setup.player_name);
10601   free(setup.player_name);
10602   setup.player_name = player_name_new;
10603
10604   // "scroll_delay: on(3) / off(0)" was replaced by scroll delay value
10605   if (setup.scroll_delay == FALSE)
10606   {
10607     setup.scroll_delay_value = MIN_SCROLL_DELAY;
10608     setup.scroll_delay = TRUE;                  // now always "on"
10609   }
10610
10611   // make sure that scroll delay value stays inside valid range
10612   setup.scroll_delay_value =
10613     MIN(MAX(MIN_SCROLL_DELAY, setup.scroll_delay_value), MAX_SCROLL_DELAY);
10614 }
10615
10616 void LoadSetup(void)
10617 {
10618   char *filename;
10619
10620   // always start with reliable default values
10621   setSetupInfoToDefaults(&setup);
10622
10623   // try to load setup values from default setup file
10624   filename = getDefaultSetupFilename();
10625
10626   if (fileExists(filename))
10627     LoadSetupFromFilename(filename);
10628
10629   // try to load setup values from user setup file
10630   filename = getSetupFilename();
10631
10632   LoadSetupFromFilename(filename);
10633
10634   LoadSetup_SpecialPostProcessing();
10635 }
10636
10637 void LoadSetup_AutoSetup(void)
10638 {
10639   char *filename = getPath2(getSetupDir(), AUTOSETUP_FILENAME);
10640   SetupFileHash *setup_file_hash = NULL;
10641
10642   // always start with reliable default values
10643   setSetupInfoToDefaults_AutoSetup(&setup);
10644
10645   setup_file_hash = loadSetupFileHash(filename);
10646
10647   if (setup_file_hash)
10648   {
10649     decodeSetupFileHash_AutoSetup(setup_file_hash);
10650
10651     freeSetupFileHash(setup_file_hash);
10652   }
10653
10654   free(filename);
10655 }
10656
10657 void LoadSetup_EditorCascade(void)
10658 {
10659   char *filename = getPath2(getSetupDir(), EDITORCASCADE_FILENAME);
10660   SetupFileHash *setup_file_hash = NULL;
10661
10662   // always start with reliable default values
10663   setSetupInfoToDefaults_EditorCascade(&setup);
10664
10665   setup_file_hash = loadSetupFileHash(filename);
10666
10667   if (setup_file_hash)
10668   {
10669     decodeSetupFileHash_EditorCascade(setup_file_hash);
10670
10671     freeSetupFileHash(setup_file_hash);
10672   }
10673
10674   free(filename);
10675 }
10676
10677 static void addGameControllerMappingToHash(SetupFileHash *mappings_hash,
10678                                            char *mapping_line)
10679 {
10680   char mapping_guid[MAX_LINE_LEN];
10681   char *mapping_start, *mapping_end;
10682
10683   // get GUID from game controller mapping line: copy complete line
10684   strncpy(mapping_guid, mapping_line, MAX_LINE_LEN - 1);
10685   mapping_guid[MAX_LINE_LEN - 1] = '\0';
10686
10687   // get GUID from game controller mapping line: cut after GUID part
10688   mapping_start = strchr(mapping_guid, ',');
10689   if (mapping_start != NULL)
10690     *mapping_start = '\0';
10691
10692   // cut newline from game controller mapping line
10693   mapping_end = strchr(mapping_line, '\n');
10694   if (mapping_end != NULL)
10695     *mapping_end = '\0';
10696
10697   // add mapping entry to game controller mappings hash
10698   setHashEntry(mappings_hash, mapping_guid, mapping_line);
10699 }
10700
10701 static void LoadSetup_ReadGameControllerMappings(SetupFileHash *mappings_hash,
10702                                                  char *filename)
10703 {
10704   FILE *file;
10705
10706   if (!(file = fopen(filename, MODE_READ)))
10707   {
10708     Warn("cannot read game controller mappings file '%s'", filename);
10709
10710     return;
10711   }
10712
10713   while (!feof(file))
10714   {
10715     char line[MAX_LINE_LEN];
10716
10717     if (!fgets(line, MAX_LINE_LEN, file))
10718       break;
10719
10720     addGameControllerMappingToHash(mappings_hash, line);
10721   }
10722
10723   fclose(file);
10724 }
10725
10726 void SaveSetup(void)
10727 {
10728   char *filename = getSetupFilename();
10729   FILE *file;
10730   int i, pnr;
10731
10732   InitUserDataDirectory();
10733
10734   if (!(file = fopen(filename, MODE_WRITE)))
10735   {
10736     Warn("cannot write setup file '%s'", filename);
10737
10738     return;
10739   }
10740
10741   fprintFileHeader(file, SETUP_FILENAME);
10742
10743   for (i = 0; i < ARRAY_SIZE(global_setup_tokens); i++)
10744   {
10745     // just to make things nicer :)
10746     if (global_setup_tokens[i].value == &setup.multiple_users           ||
10747         global_setup_tokens[i].value == &setup.sound                    ||
10748         global_setup_tokens[i].value == &setup.graphics_set             ||
10749         global_setup_tokens[i].value == &setup.volume_simple            ||
10750         global_setup_tokens[i].value == &setup.network_mode             ||
10751         global_setup_tokens[i].value == &setup.touch.control_type       ||
10752         global_setup_tokens[i].value == &setup.touch.grid_xsize[0]      ||
10753         global_setup_tokens[i].value == &setup.touch.grid_xsize[1])
10754       fprintf(file, "\n");
10755
10756     fprintf(file, "%s\n", getSetupLine(global_setup_tokens, "", i));
10757   }
10758
10759   for (i = 0; i < 2; i++)
10760   {
10761     int grid_xsize = setup.touch.grid_xsize[i];
10762     int grid_ysize = setup.touch.grid_ysize[i];
10763     int x, y;
10764
10765     fprintf(file, "\n");
10766
10767     for (y = 0; y < grid_ysize; y++)
10768     {
10769       char token_string[MAX_LINE_LEN];
10770       char value_string[MAX_LINE_LEN];
10771
10772       sprintf(token_string, "touch.virtual_buttons.%d.%02d", i, y);
10773
10774       for (x = 0; x < grid_xsize; x++)
10775       {
10776         char c = setup.touch.grid_button[i][x][y];
10777
10778         value_string[x] = (c == CHAR_GRID_BUTTON_NONE ? '.' : c);
10779       }
10780
10781       value_string[grid_xsize] = '\0';
10782
10783       fprintf(file, "%s\n", getFormattedSetupEntry(token_string, value_string));
10784     }
10785   }
10786
10787   fprintf(file, "\n");
10788   for (i = 0; i < ARRAY_SIZE(editor_setup_tokens); i++)
10789     fprintf(file, "%s\n", getSetupLine(editor_setup_tokens, "", i));
10790
10791   fprintf(file, "\n");
10792   for (i = 0; i < ARRAY_SIZE(shortcut_setup_tokens); i++)
10793     fprintf(file, "%s\n", getSetupLine(shortcut_setup_tokens, "", i));
10794
10795   for (pnr = 0; pnr < MAX_PLAYERS; pnr++)
10796   {
10797     char prefix[30];
10798
10799     sprintf(prefix, "%s%d", TOKEN_STR_PLAYER_PREFIX, pnr + 1);
10800     fprintf(file, "\n");
10801
10802     setup_input = setup.input[pnr];
10803     for (i = 0; i < ARRAY_SIZE(player_setup_tokens); i++)
10804       fprintf(file, "%s\n", getSetupLine(player_setup_tokens, prefix, i));
10805   }
10806
10807   fprintf(file, "\n");
10808   for (i = 0; i < ARRAY_SIZE(system_setup_tokens); i++)
10809     fprintf(file, "%s\n", getSetupLine(system_setup_tokens, "", i));
10810
10811   // (internal setup values not saved to user setup file)
10812
10813   fprintf(file, "\n");
10814   for (i = 0; i < ARRAY_SIZE(debug_setup_tokens); i++)
10815     if (!strPrefix(debug_setup_tokens[i].text, "debug.xsn_") ||
10816         setup.debug.xsn_mode != AUTO)
10817       fprintf(file, "%s\n", getSetupLine(debug_setup_tokens, "", i));
10818
10819   fprintf(file, "\n");
10820   for (i = 0; i < ARRAY_SIZE(options_setup_tokens); i++)
10821     fprintf(file, "%s\n", getSetupLine(options_setup_tokens, "", i));
10822
10823   fclose(file);
10824
10825   SetFilePermissions(filename, PERMS_PRIVATE);
10826 }
10827
10828 void SaveSetup_AutoSetup(void)
10829 {
10830   char *filename = getPath2(getSetupDir(), AUTOSETUP_FILENAME);
10831   FILE *file;
10832   int i;
10833
10834   InitUserDataDirectory();
10835
10836   if (!(file = fopen(filename, MODE_WRITE)))
10837   {
10838     Warn("cannot write auto setup file '%s'", filename);
10839
10840     free(filename);
10841
10842     return;
10843   }
10844
10845   fprintFileHeader(file, AUTOSETUP_FILENAME);
10846
10847   for (i = 0; i < ARRAY_SIZE(auto_setup_tokens); i++)
10848     fprintf(file, "%s\n", getSetupLine(auto_setup_tokens, "", i));
10849
10850   fclose(file);
10851
10852   SetFilePermissions(filename, PERMS_PRIVATE);
10853
10854   free(filename);
10855 }
10856
10857 void SaveSetup_EditorCascade(void)
10858 {
10859   char *filename = getPath2(getSetupDir(), EDITORCASCADE_FILENAME);
10860   FILE *file;
10861   int i;
10862
10863   InitUserDataDirectory();
10864
10865   if (!(file = fopen(filename, MODE_WRITE)))
10866   {
10867     Warn("cannot write editor cascade state file '%s'", filename);
10868
10869     free(filename);
10870
10871     return;
10872   }
10873
10874   fprintFileHeader(file, EDITORCASCADE_FILENAME);
10875
10876   for (i = 0; i < ARRAY_SIZE(editor_cascade_setup_tokens); i++)
10877     fprintf(file, "%s\n", getSetupLine(editor_cascade_setup_tokens, "", i));
10878
10879   fclose(file);
10880
10881   SetFilePermissions(filename, PERMS_PRIVATE);
10882
10883   free(filename);
10884 }
10885
10886 static void SaveSetup_WriteGameControllerMappings(SetupFileHash *mappings_hash,
10887                                                   char *filename)
10888 {
10889   FILE *file;
10890
10891   if (!(file = fopen(filename, MODE_WRITE)))
10892   {
10893     Warn("cannot write game controller mappings file '%s'", filename);
10894
10895     return;
10896   }
10897
10898   BEGIN_HASH_ITERATION(mappings_hash, itr)
10899   {
10900     fprintf(file, "%s\n", HASH_ITERATION_VALUE(itr));
10901   }
10902   END_HASH_ITERATION(mappings_hash, itr)
10903
10904   fclose(file);
10905 }
10906
10907 void SaveSetup_AddGameControllerMapping(char *mapping)
10908 {
10909   char *filename = getPath2(getSetupDir(), GAMECONTROLLER_BASENAME);
10910   SetupFileHash *mappings_hash = newSetupFileHash();
10911
10912   InitUserDataDirectory();
10913
10914   // load existing personal game controller mappings
10915   LoadSetup_ReadGameControllerMappings(mappings_hash, filename);
10916
10917   // add new mapping to personal game controller mappings
10918   addGameControllerMappingToHash(mappings_hash, mapping);
10919
10920   // save updated personal game controller mappings
10921   SaveSetup_WriteGameControllerMappings(mappings_hash, filename);
10922
10923   freeSetupFileHash(mappings_hash);
10924   free(filename);
10925 }
10926
10927 void LoadCustomElementDescriptions(void)
10928 {
10929   char *filename = getCustomArtworkConfigFilename(ARTWORK_TYPE_GRAPHICS);
10930   SetupFileHash *setup_file_hash;
10931   int i;
10932
10933   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
10934   {
10935     if (element_info[i].custom_description != NULL)
10936     {
10937       free(element_info[i].custom_description);
10938       element_info[i].custom_description = NULL;
10939     }
10940   }
10941
10942   if ((setup_file_hash = loadSetupFileHash(filename)) == NULL)
10943     return;
10944
10945   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
10946   {
10947     char *token = getStringCat2(element_info[i].token_name, ".name");
10948     char *value = getHashEntry(setup_file_hash, token);
10949
10950     if (value != NULL)
10951       element_info[i].custom_description = getStringCopy(value);
10952
10953     free(token);
10954   }
10955
10956   freeSetupFileHash(setup_file_hash);
10957 }
10958
10959 static int getElementFromToken(char *token)
10960 {
10961   char *value = getHashEntry(element_token_hash, token);
10962
10963   if (value != NULL)
10964     return atoi(value);
10965
10966   Warn("unknown element token '%s'", token);
10967
10968   return EL_UNDEFINED;
10969 }
10970
10971 void FreeGlobalAnimEventInfo(void)
10972 {
10973   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
10974
10975   if (gaei->event_list == NULL)
10976     return;
10977
10978   int i;
10979
10980   for (i = 0; i < gaei->num_event_lists; i++)
10981   {
10982     checked_free(gaei->event_list[i]->event_value);
10983     checked_free(gaei->event_list[i]);
10984   }
10985
10986   checked_free(gaei->event_list);
10987
10988   gaei->event_list = NULL;
10989   gaei->num_event_lists = 0;
10990 }
10991
10992 static int AddGlobalAnimEventList(void)
10993 {
10994   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
10995   int list_pos = gaei->num_event_lists++;
10996
10997   gaei->event_list = checked_realloc(gaei->event_list, gaei->num_event_lists *
10998                                      sizeof(struct GlobalAnimEventListInfo *));
10999
11000   gaei->event_list[list_pos] =
11001     checked_calloc(sizeof(struct GlobalAnimEventListInfo));
11002
11003   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
11004
11005   gaeli->event_value = NULL;
11006   gaeli->num_event_values = 0;
11007
11008   return list_pos;
11009 }
11010
11011 static int AddGlobalAnimEventValue(int list_pos, int event_value)
11012 {
11013   // do not add empty global animation events
11014   if (event_value == ANIM_EVENT_NONE)
11015     return list_pos;
11016
11017   // if list position is undefined, create new list
11018   if (list_pos == ANIM_EVENT_UNDEFINED)
11019     list_pos = AddGlobalAnimEventList();
11020
11021   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
11022   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
11023   int value_pos = gaeli->num_event_values++;
11024
11025   gaeli->event_value = checked_realloc(gaeli->event_value,
11026                                        gaeli->num_event_values * sizeof(int *));
11027
11028   gaeli->event_value[value_pos] = event_value;
11029
11030   return list_pos;
11031 }
11032
11033 int GetGlobalAnimEventValue(int list_pos, int value_pos)
11034 {
11035   if (list_pos == ANIM_EVENT_UNDEFINED)
11036     return ANIM_EVENT_NONE;
11037
11038   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
11039   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
11040
11041   return gaeli->event_value[value_pos];
11042 }
11043
11044 int GetGlobalAnimEventValueCount(int list_pos)
11045 {
11046   if (list_pos == ANIM_EVENT_UNDEFINED)
11047     return 0;
11048
11049   struct GlobalAnimEventInfo *gaei = &global_anim_event_info;
11050   struct GlobalAnimEventListInfo *gaeli = gaei->event_list[list_pos];
11051
11052   return gaeli->num_event_values;
11053 }
11054
11055 // This function checks if a string <s> of the format "string1, string2, ..."
11056 // exactly contains a string <s_contained>.
11057
11058 static boolean string_has_parameter(char *s, char *s_contained)
11059 {
11060   char *substring;
11061
11062   if (s == NULL || s_contained == NULL)
11063     return FALSE;
11064
11065   if (strlen(s_contained) > strlen(s))
11066     return FALSE;
11067
11068   if (strncmp(s, s_contained, strlen(s_contained)) == 0)
11069   {
11070     char next_char = s[strlen(s_contained)];
11071
11072     // check if next character is delimiter or whitespace
11073     return (next_char == ',' || next_char == '\0' ||
11074             next_char == ' ' || next_char == '\t' ? TRUE : FALSE);
11075   }
11076
11077   // check if string contains another parameter string after a comma
11078   substring = strchr(s, ',');
11079   if (substring == NULL)        // string does not contain a comma
11080     return FALSE;
11081
11082   // advance string pointer to next character after the comma
11083   substring++;
11084
11085   // skip potential whitespaces after the comma
11086   while (*substring == ' ' || *substring == '\t')
11087     substring++;
11088
11089   return string_has_parameter(substring, s_contained);
11090 }
11091
11092 static int get_anim_parameter_value(char *s)
11093 {
11094   int event_value[] =
11095   {
11096     ANIM_EVENT_CLICK,
11097     ANIM_EVENT_INIT,
11098     ANIM_EVENT_START,
11099     ANIM_EVENT_END,
11100     ANIM_EVENT_POST
11101   };
11102   char *pattern_1[] =
11103   {
11104     "click:anim_",
11105     "init:anim_",
11106     "start:anim_",
11107     "end:anim_",
11108     "post:anim_"
11109   };
11110   char *pattern_2 = ".part_";
11111   char *matching_char = NULL;
11112   char *s_ptr = s;
11113   int pattern_1_len = 0;
11114   int result = ANIM_EVENT_NONE;
11115   int i;
11116
11117   for (i = 0; i < ARRAY_SIZE(event_value); i++)
11118   {
11119     matching_char = strstr(s_ptr, pattern_1[i]);
11120     pattern_1_len = strlen(pattern_1[i]);
11121     result = event_value[i];
11122
11123     if (matching_char != NULL)
11124       break;
11125   }
11126
11127   if (matching_char == NULL)
11128     return ANIM_EVENT_NONE;
11129
11130   s_ptr = matching_char + pattern_1_len;
11131
11132   // check for main animation number ("anim_X" or "anim_XX")
11133   if (*s_ptr >= '0' && *s_ptr <= '9')
11134   {
11135     int gic_anim_nr = (*s_ptr++ - '0');
11136
11137     if (*s_ptr >= '0' && *s_ptr <= '9')
11138       gic_anim_nr = 10 * gic_anim_nr + (*s_ptr++ - '0');
11139
11140     if (gic_anim_nr < 1 || gic_anim_nr > MAX_GLOBAL_ANIMS)
11141       return ANIM_EVENT_NONE;
11142
11143     result |= gic_anim_nr << ANIM_EVENT_ANIM_BIT;
11144   }
11145   else
11146   {
11147     // invalid main animation number specified
11148
11149     return ANIM_EVENT_NONE;
11150   }
11151
11152   // check for animation part number ("part_X" or "part_XX") (optional)
11153   if (strPrefix(s_ptr, pattern_2))
11154   {
11155     s_ptr += strlen(pattern_2);
11156
11157     if (*s_ptr >= '0' && *s_ptr <= '9')
11158     {
11159       int gic_part_nr = (*s_ptr++ - '0');
11160
11161       if (*s_ptr >= '0' && *s_ptr <= '9')
11162         gic_part_nr = 10 * gic_part_nr + (*s_ptr++ - '0');
11163
11164       if (gic_part_nr < 1 || gic_part_nr > MAX_GLOBAL_ANIM_PARTS)
11165         return ANIM_EVENT_NONE;
11166
11167       result |= gic_part_nr << ANIM_EVENT_PART_BIT;
11168     }
11169     else
11170     {
11171       // invalid animation part number specified
11172
11173       return ANIM_EVENT_NONE;
11174     }
11175   }
11176
11177   // discard result if next character is neither delimiter nor whitespace
11178   if (!(*s_ptr == ',' || *s_ptr == '\0' ||
11179         *s_ptr == ' ' || *s_ptr == '\t'))
11180     return ANIM_EVENT_NONE;
11181
11182   return result;
11183 }
11184
11185 static int get_anim_parameter_values(char *s)
11186 {
11187   int list_pos = ANIM_EVENT_UNDEFINED;
11188   int event_value = ANIM_EVENT_DEFAULT;
11189
11190   if (string_has_parameter(s, "any"))
11191     event_value |= ANIM_EVENT_ANY;
11192
11193   if (string_has_parameter(s, "click:self") ||
11194       string_has_parameter(s, "click") ||
11195       string_has_parameter(s, "self"))
11196     event_value |= ANIM_EVENT_SELF;
11197
11198   if (string_has_parameter(s, "unclick:any"))
11199     event_value |= ANIM_EVENT_UNCLICK_ANY;
11200
11201   // if animation event found, add it to global animation event list
11202   if (event_value != ANIM_EVENT_NONE)
11203     list_pos = AddGlobalAnimEventValue(list_pos, event_value);
11204
11205   while (s != NULL)
11206   {
11207     // add optional "click:anim_X" or "click:anim_X.part_X" parameter
11208     event_value = get_anim_parameter_value(s);
11209
11210     // if animation event found, add it to global animation event list
11211     if (event_value != ANIM_EVENT_NONE)
11212       list_pos = AddGlobalAnimEventValue(list_pos, event_value);
11213
11214     // continue with next part of the string, starting with next comma
11215     s = strchr(s + 1, ',');
11216   }
11217
11218   return list_pos;
11219 }
11220
11221 static int get_anim_action_parameter_value(char *token)
11222 {
11223   // check most common default case first to massively speed things up
11224   if (strEqual(token, ARG_UNDEFINED))
11225     return ANIM_EVENT_ACTION_NONE;
11226
11227   int result = getImageIDFromToken(token);
11228
11229   if (result == -1)
11230   {
11231     char *gfx_token = getStringCat2("gfx.", token);
11232
11233     result = getImageIDFromToken(gfx_token);
11234
11235     checked_free(gfx_token);
11236   }
11237
11238   if (result == -1)
11239   {
11240     Key key = getKeyFromX11KeyName(token);
11241
11242     if (key != KSYM_UNDEFINED)
11243       result = -(int)key;
11244   }
11245
11246   if (result == -1)
11247     result = ANIM_EVENT_ACTION_NONE;
11248
11249   return result;
11250 }
11251
11252 int get_parameter_value(char *value_raw, char *suffix, int type)
11253 {
11254   char *value = getStringToLower(value_raw);
11255   int result = 0;       // probably a save default value
11256
11257   if (strEqual(suffix, ".direction"))
11258   {
11259     result = (strEqual(value, "left")  ? MV_LEFT :
11260               strEqual(value, "right") ? MV_RIGHT :
11261               strEqual(value, "up")    ? MV_UP :
11262               strEqual(value, "down")  ? MV_DOWN : MV_NONE);
11263   }
11264   else if (strEqual(suffix, ".position"))
11265   {
11266     result = (strEqual(value, "left")   ? POS_LEFT :
11267               strEqual(value, "right")  ? POS_RIGHT :
11268               strEqual(value, "top")    ? POS_TOP :
11269               strEqual(value, "upper")  ? POS_UPPER :
11270               strEqual(value, "middle") ? POS_MIDDLE :
11271               strEqual(value, "lower")  ? POS_LOWER :
11272               strEqual(value, "bottom") ? POS_BOTTOM :
11273               strEqual(value, "any")    ? POS_ANY :
11274               strEqual(value, "last")   ? POS_LAST : POS_UNDEFINED);
11275   }
11276   else if (strEqual(suffix, ".align"))
11277   {
11278     result = (strEqual(value, "left")   ? ALIGN_LEFT :
11279               strEqual(value, "right")  ? ALIGN_RIGHT :
11280               strEqual(value, "center") ? ALIGN_CENTER :
11281               strEqual(value, "middle") ? ALIGN_CENTER : ALIGN_DEFAULT);
11282   }
11283   else if (strEqual(suffix, ".valign"))
11284   {
11285     result = (strEqual(value, "top")    ? VALIGN_TOP :
11286               strEqual(value, "bottom") ? VALIGN_BOTTOM :
11287               strEqual(value, "middle") ? VALIGN_MIDDLE :
11288               strEqual(value, "center") ? VALIGN_MIDDLE : VALIGN_DEFAULT);
11289   }
11290   else if (strEqual(suffix, ".anim_mode"))
11291   {
11292     result = (string_has_parameter(value, "none")       ? ANIM_NONE :
11293               string_has_parameter(value, "loop")       ? ANIM_LOOP :
11294               string_has_parameter(value, "linear")     ? ANIM_LINEAR :
11295               string_has_parameter(value, "pingpong")   ? ANIM_PINGPONG :
11296               string_has_parameter(value, "pingpong2")  ? ANIM_PINGPONG2 :
11297               string_has_parameter(value, "random")     ? ANIM_RANDOM :
11298               string_has_parameter(value, "ce_value")   ? ANIM_CE_VALUE :
11299               string_has_parameter(value, "ce_score")   ? ANIM_CE_SCORE :
11300               string_has_parameter(value, "ce_delay")   ? ANIM_CE_DELAY :
11301               string_has_parameter(value, "horizontal") ? ANIM_HORIZONTAL :
11302               string_has_parameter(value, "vertical")   ? ANIM_VERTICAL :
11303               string_has_parameter(value, "centered")   ? ANIM_CENTERED :
11304               string_has_parameter(value, "all")        ? ANIM_ALL :
11305               ANIM_DEFAULT);
11306
11307     if (string_has_parameter(value, "once"))
11308       result |= ANIM_ONCE;
11309
11310     if (string_has_parameter(value, "reverse"))
11311       result |= ANIM_REVERSE;
11312
11313     if (string_has_parameter(value, "opaque_player"))
11314       result |= ANIM_OPAQUE_PLAYER;
11315
11316     if (string_has_parameter(value, "static_panel"))
11317       result |= ANIM_STATIC_PANEL;
11318   }
11319   else if (strEqual(suffix, ".init_event") ||
11320            strEqual(suffix, ".anim_event"))
11321   {
11322     result = get_anim_parameter_values(value);
11323   }
11324   else if (strEqual(suffix, ".init_delay_action") ||
11325            strEqual(suffix, ".anim_delay_action") ||
11326            strEqual(suffix, ".post_delay_action") ||
11327            strEqual(suffix, ".init_event_action") ||
11328            strEqual(suffix, ".anim_event_action"))
11329   {
11330     result = get_anim_action_parameter_value(value_raw);
11331   }
11332   else if (strEqual(suffix, ".class"))
11333   {
11334     result = (strEqual(value, ARG_UNDEFINED) ? ARG_UNDEFINED_VALUE :
11335               get_hash_from_key(value));
11336   }
11337   else if (strEqual(suffix, ".style"))
11338   {
11339     result = STYLE_DEFAULT;
11340
11341     if (string_has_parameter(value, "accurate_borders"))
11342       result |= STYLE_ACCURATE_BORDERS;
11343
11344     if (string_has_parameter(value, "inner_corners"))
11345       result |= STYLE_INNER_CORNERS;
11346
11347     if (string_has_parameter(value, "reverse"))
11348       result |= STYLE_REVERSE;
11349
11350     if (string_has_parameter(value, "leftmost_position"))
11351       result |= STYLE_LEFTMOST_POSITION;
11352
11353     if (string_has_parameter(value, "block_clicks"))
11354       result |= STYLE_BLOCK;
11355
11356     if (string_has_parameter(value, "passthrough_clicks"))
11357       result |= STYLE_PASSTHROUGH;
11358
11359     if (string_has_parameter(value, "multiple_actions"))
11360       result |= STYLE_MULTIPLE_ACTIONS;
11361   }
11362   else if (strEqual(suffix, ".fade_mode"))
11363   {
11364     result = (string_has_parameter(value, "none")       ? FADE_MODE_NONE :
11365               string_has_parameter(value, "fade")       ? FADE_MODE_FADE :
11366               string_has_parameter(value, "crossfade")  ? FADE_MODE_CROSSFADE :
11367               string_has_parameter(value, "melt")       ? FADE_MODE_MELT :
11368               string_has_parameter(value, "curtain")    ? FADE_MODE_CURTAIN :
11369               FADE_MODE_DEFAULT);
11370   }
11371   else if (strEqual(suffix, ".auto_delay_unit"))
11372   {
11373     result = (string_has_parameter(value, "ms")     ? AUTO_DELAY_UNIT_MS :
11374               string_has_parameter(value, "frames") ? AUTO_DELAY_UNIT_FRAMES :
11375               AUTO_DELAY_UNIT_DEFAULT);
11376   }
11377   else if (strPrefix(suffix, ".font"))          // (may also be ".font_xyz")
11378   {
11379     result = gfx.get_font_from_token_function(value);
11380   }
11381   else          // generic parameter of type integer or boolean
11382   {
11383     result = (strEqual(value, ARG_UNDEFINED) ? ARG_UNDEFINED_VALUE :
11384               type == TYPE_INTEGER ? get_integer_from_string(value) :
11385               type == TYPE_BOOLEAN ? get_boolean_from_string(value) :
11386               ARG_UNDEFINED_VALUE);
11387   }
11388
11389   free(value);
11390
11391   return result;
11392 }
11393
11394 static int get_token_parameter_value(char *token, char *value_raw)
11395 {
11396   char *suffix;
11397
11398   if (token == NULL || value_raw == NULL)
11399     return ARG_UNDEFINED_VALUE;
11400
11401   suffix = strrchr(token, '.');
11402   if (suffix == NULL)
11403     suffix = token;
11404
11405   if (strEqual(suffix, ".element"))
11406     return getElementFromToken(value_raw);
11407
11408   // !!! USE CORRECT VALUE TYPE (currently works also for TYPE_BOOLEAN) !!!
11409   return get_parameter_value(value_raw, suffix, TYPE_INTEGER);
11410 }
11411
11412 void InitMenuDesignSettings_Static(void)
11413 {
11414   int i;
11415
11416   // always start with reliable default values from static default config
11417   for (i = 0; image_config_vars[i].token != NULL; i++)
11418   {
11419     char *value = getHashEntry(image_config_hash, image_config_vars[i].token);
11420
11421     if (value != NULL)
11422       *image_config_vars[i].value =
11423         get_token_parameter_value(image_config_vars[i].token, value);
11424   }
11425 }
11426
11427 static void InitMenuDesignSettings_SpecialPreProcessing(void)
11428 {
11429   int i;
11430
11431   // the following initializes hierarchical values from static configuration
11432
11433   // special case: initialize "ARG_DEFAULT" values in static default config
11434   // (e.g., initialize "[titlemessage].fade_mode" from "[title].fade_mode")
11435   titlescreen_initial_first_default.fade_mode  =
11436     title_initial_first_default.fade_mode;
11437   titlescreen_initial_first_default.fade_delay =
11438     title_initial_first_default.fade_delay;
11439   titlescreen_initial_first_default.post_delay =
11440     title_initial_first_default.post_delay;
11441   titlescreen_initial_first_default.auto_delay =
11442     title_initial_first_default.auto_delay;
11443   titlescreen_initial_first_default.auto_delay_unit =
11444     title_initial_first_default.auto_delay_unit;
11445   titlescreen_first_default.fade_mode  = title_first_default.fade_mode;
11446   titlescreen_first_default.fade_delay = title_first_default.fade_delay;
11447   titlescreen_first_default.post_delay = title_first_default.post_delay;
11448   titlescreen_first_default.auto_delay = title_first_default.auto_delay;
11449   titlescreen_first_default.auto_delay_unit =
11450     title_first_default.auto_delay_unit;
11451   titlemessage_initial_first_default.fade_mode  =
11452     title_initial_first_default.fade_mode;
11453   titlemessage_initial_first_default.fade_delay =
11454     title_initial_first_default.fade_delay;
11455   titlemessage_initial_first_default.post_delay =
11456     title_initial_first_default.post_delay;
11457   titlemessage_initial_first_default.auto_delay =
11458     title_initial_first_default.auto_delay;
11459   titlemessage_initial_first_default.auto_delay_unit =
11460     title_initial_first_default.auto_delay_unit;
11461   titlemessage_first_default.fade_mode  = title_first_default.fade_mode;
11462   titlemessage_first_default.fade_delay = title_first_default.fade_delay;
11463   titlemessage_first_default.post_delay = title_first_default.post_delay;
11464   titlemessage_first_default.auto_delay = title_first_default.auto_delay;
11465   titlemessage_first_default.auto_delay_unit =
11466     title_first_default.auto_delay_unit;
11467
11468   titlescreen_initial_default.fade_mode  = title_initial_default.fade_mode;
11469   titlescreen_initial_default.fade_delay = title_initial_default.fade_delay;
11470   titlescreen_initial_default.post_delay = title_initial_default.post_delay;
11471   titlescreen_initial_default.auto_delay = title_initial_default.auto_delay;
11472   titlescreen_initial_default.auto_delay_unit =
11473     title_initial_default.auto_delay_unit;
11474   titlescreen_default.fade_mode  = title_default.fade_mode;
11475   titlescreen_default.fade_delay = title_default.fade_delay;
11476   titlescreen_default.post_delay = title_default.post_delay;
11477   titlescreen_default.auto_delay = title_default.auto_delay;
11478   titlescreen_default.auto_delay_unit = title_default.auto_delay_unit;
11479   titlemessage_initial_default.fade_mode  = title_initial_default.fade_mode;
11480   titlemessage_initial_default.fade_delay = title_initial_default.fade_delay;
11481   titlemessage_initial_default.post_delay = title_initial_default.post_delay;
11482   titlemessage_initial_default.auto_delay_unit =
11483     title_initial_default.auto_delay_unit;
11484   titlemessage_default.fade_mode  = title_default.fade_mode;
11485   titlemessage_default.fade_delay = title_default.fade_delay;
11486   titlemessage_default.post_delay = title_default.post_delay;
11487   titlemessage_default.auto_delay = title_default.auto_delay;
11488   titlemessage_default.auto_delay_unit = title_default.auto_delay_unit;
11489
11490   // special case: initialize "ARG_DEFAULT" values in static default config
11491   // (e.g., init "titlemessage_1.fade_mode" from "[titlemessage].fade_mode")
11492   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
11493   {
11494     titlescreen_initial_first[i] = titlescreen_initial_first_default;
11495     titlescreen_first[i] = titlescreen_first_default;
11496     titlemessage_initial_first[i] = titlemessage_initial_first_default;
11497     titlemessage_first[i] = titlemessage_first_default;
11498
11499     titlescreen_initial[i] = titlescreen_initial_default;
11500     titlescreen[i] = titlescreen_default;
11501     titlemessage_initial[i] = titlemessage_initial_default;
11502     titlemessage[i] = titlemessage_default;
11503   }
11504
11505   // special case: initialize "ARG_DEFAULT" values in static default config
11506   // (eg, init "menu.enter_screen.SCORES.xyz" from "menu.enter_screen.xyz")
11507   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11508   {
11509     if (i == GFX_SPECIAL_ARG_TITLE)     // title values already initialized
11510       continue;
11511
11512     menu.enter_screen[i] = menu.enter_screen[GFX_SPECIAL_ARG_DEFAULT];
11513     menu.leave_screen[i] = menu.leave_screen[GFX_SPECIAL_ARG_DEFAULT];
11514     menu.next_screen[i]  = menu.next_screen[GFX_SPECIAL_ARG_DEFAULT];
11515   }
11516
11517   // special case: initialize "ARG_DEFAULT" values in static default config
11518   // (eg, init "viewport.door_1.MAIN.xyz" from "viewport.door_1.xyz")
11519   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11520   {
11521     viewport.window[i]    = viewport.window[GFX_SPECIAL_ARG_DEFAULT];
11522     viewport.playfield[i] = viewport.playfield[GFX_SPECIAL_ARG_DEFAULT];
11523     viewport.door_1[i]    = viewport.door_1[GFX_SPECIAL_ARG_DEFAULT];
11524
11525     if (i == GFX_SPECIAL_ARG_EDITOR)    // editor values already initialized
11526       continue;
11527
11528     viewport.door_2[i] = viewport.door_2[GFX_SPECIAL_ARG_DEFAULT];
11529   }
11530 }
11531
11532 static void InitMenuDesignSettings_SpecialPostProcessing(void)
11533 {
11534   static struct
11535   {
11536     struct XY *dst, *src;
11537   }
11538   game_buttons_xy[] =
11539   {
11540     { &game.button.save,        &game.button.stop       },
11541     { &game.button.pause2,      &game.button.pause      },
11542     { &game.button.load,        &game.button.play       },
11543     { &game.button.undo,        &game.button.stop       },
11544     { &game.button.redo,        &game.button.play       },
11545
11546     { NULL,                     NULL                    }
11547   };
11548   int i, j;
11549
11550   // special case: initialize later added SETUP list size from LEVELS value
11551   if (menu.list_size[GAME_MODE_SETUP] == -1)
11552     menu.list_size[GAME_MODE_SETUP] = menu.list_size[GAME_MODE_LEVELS];
11553
11554   // set default position for snapshot buttons to stop/pause/play buttons
11555   for (i = 0; game_buttons_xy[i].dst != NULL; i++)
11556     if ((*game_buttons_xy[i].dst).x == -1 &&
11557         (*game_buttons_xy[i].dst).y == -1)
11558       *game_buttons_xy[i].dst = *game_buttons_xy[i].src;
11559
11560   // --------------------------------------------------------------------------
11561   // dynamic viewports (including playfield margins, borders and alignments)
11562   // --------------------------------------------------------------------------
11563
11564   // dynamic viewports currently only supported for landscape mode
11565   int display_width  = MAX(video.display_width, video.display_height);
11566   int display_height = MIN(video.display_width, video.display_height);
11567
11568   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11569   {
11570     struct RectWithBorder *vp_window    = &viewport.window[i];
11571     struct RectWithBorder *vp_playfield = &viewport.playfield[i];
11572     struct RectWithBorder *vp_door_1    = &viewport.door_1[i];
11573     struct RectWithBorder *vp_door_2    = &viewport.door_2[i];
11574     boolean dynamic_window_width     = (vp_window->min_width     != -1);
11575     boolean dynamic_window_height    = (vp_window->min_height    != -1);
11576     boolean dynamic_playfield_width  = (vp_playfield->min_width  != -1);
11577     boolean dynamic_playfield_height = (vp_playfield->min_height != -1);
11578
11579     // adjust window size if min/max width/height is specified
11580
11581     if (vp_window->min_width != -1)
11582     {
11583       int window_width = display_width;
11584
11585       // when using static window height, use aspect ratio of display
11586       if (vp_window->min_height == -1)
11587         window_width = vp_window->height * display_width / display_height;
11588
11589       vp_window->width = MAX(vp_window->min_width, window_width);
11590     }
11591
11592     if (vp_window->min_height != -1)
11593     {
11594       int window_height = display_height;
11595
11596       // when using static window width, use aspect ratio of display
11597       if (vp_window->min_width == -1)
11598         window_height = vp_window->width * display_height / display_width;
11599
11600       vp_window->height = MAX(vp_window->min_height, window_height);
11601     }
11602
11603     if (vp_window->max_width != -1)
11604       vp_window->width = MIN(vp_window->width, vp_window->max_width);
11605
11606     if (vp_window->max_height != -1)
11607       vp_window->height = MIN(vp_window->height, vp_window->max_height);
11608
11609     int playfield_width  = vp_window->width;
11610     int playfield_height = vp_window->height;
11611
11612     // adjust playfield size and position according to specified margins
11613
11614     playfield_width  -= vp_playfield->margin_left;
11615     playfield_width  -= vp_playfield->margin_right;
11616
11617     playfield_height -= vp_playfield->margin_top;
11618     playfield_height -= vp_playfield->margin_bottom;
11619
11620     // adjust playfield size if min/max width/height is specified
11621
11622     if (vp_playfield->min_width != -1)
11623       vp_playfield->width = MAX(vp_playfield->min_width, playfield_width);
11624
11625     if (vp_playfield->min_height != -1)
11626       vp_playfield->height = MAX(vp_playfield->min_height, playfield_height);
11627
11628     if (vp_playfield->max_width != -1)
11629       vp_playfield->width = MIN(vp_playfield->width, vp_playfield->max_width);
11630
11631     if (vp_playfield->max_height != -1)
11632       vp_playfield->height = MIN(vp_playfield->height,vp_playfield->max_height);
11633
11634     // adjust playfield position according to specified alignment
11635
11636     if (vp_playfield->align == ALIGN_LEFT || vp_playfield->x > 0)
11637       vp_playfield->x = ALIGNED_VP_XPOS(vp_playfield);
11638     else if (vp_playfield->align == ALIGN_CENTER)
11639       vp_playfield->x = playfield_width / 2 - vp_playfield->width / 2;
11640     else if (vp_playfield->align == ALIGN_RIGHT)
11641       vp_playfield->x += playfield_width - vp_playfield->width;
11642
11643     if (vp_playfield->valign == VALIGN_TOP || vp_playfield->y > 0)
11644       vp_playfield->y = ALIGNED_VP_YPOS(vp_playfield);
11645     else if (vp_playfield->valign == VALIGN_MIDDLE)
11646       vp_playfield->y = playfield_height / 2 - vp_playfield->height / 2;
11647     else if (vp_playfield->valign == VALIGN_BOTTOM)
11648       vp_playfield->y += playfield_height - vp_playfield->height;
11649
11650     vp_playfield->x += vp_playfield->margin_left;
11651     vp_playfield->y += vp_playfield->margin_top;
11652
11653     // adjust individual playfield borders if only default border is specified
11654
11655     if (vp_playfield->border_left == -1)
11656       vp_playfield->border_left = vp_playfield->border_size;
11657     if (vp_playfield->border_right == -1)
11658       vp_playfield->border_right = vp_playfield->border_size;
11659     if (vp_playfield->border_top == -1)
11660       vp_playfield->border_top = vp_playfield->border_size;
11661     if (vp_playfield->border_bottom == -1)
11662       vp_playfield->border_bottom = vp_playfield->border_size;
11663
11664     // set dynamic playfield borders if borders are specified as undefined
11665     // (but only if window size was dynamic and playfield size was static)
11666
11667     if (dynamic_window_width && !dynamic_playfield_width)
11668     {
11669       if (vp_playfield->border_left == -1)
11670       {
11671         vp_playfield->border_left = (vp_playfield->x -
11672                                      vp_playfield->margin_left);
11673         vp_playfield->x     -= vp_playfield->border_left;
11674         vp_playfield->width += vp_playfield->border_left;
11675       }
11676
11677       if (vp_playfield->border_right == -1)
11678       {
11679         vp_playfield->border_right = (vp_window->width -
11680                                       vp_playfield->x -
11681                                       vp_playfield->width -
11682                                       vp_playfield->margin_right);
11683         vp_playfield->width += vp_playfield->border_right;
11684       }
11685     }
11686
11687     if (dynamic_window_height && !dynamic_playfield_height)
11688     {
11689       if (vp_playfield->border_top == -1)
11690       {
11691         vp_playfield->border_top = (vp_playfield->y -
11692                                     vp_playfield->margin_top);
11693         vp_playfield->y      -= vp_playfield->border_top;
11694         vp_playfield->height += vp_playfield->border_top;
11695       }
11696
11697       if (vp_playfield->border_bottom == -1)
11698       {
11699         vp_playfield->border_bottom = (vp_window->height -
11700                                        vp_playfield->y -
11701                                        vp_playfield->height -
11702                                        vp_playfield->margin_bottom);
11703         vp_playfield->height += vp_playfield->border_bottom;
11704       }
11705     }
11706
11707     // adjust playfield size to be a multiple of a defined alignment tile size
11708
11709     int align_size = vp_playfield->align_size;
11710     int playfield_xtiles = vp_playfield->width  / align_size;
11711     int playfield_ytiles = vp_playfield->height / align_size;
11712     int playfield_width_corrected  = playfield_xtiles * align_size;
11713     int playfield_height_corrected = playfield_ytiles * align_size;
11714     boolean is_playfield_mode = (i == GFX_SPECIAL_ARG_PLAYING ||
11715                                  i == GFX_SPECIAL_ARG_EDITOR);
11716
11717     if (is_playfield_mode &&
11718         dynamic_playfield_width &&
11719         vp_playfield->width != playfield_width_corrected)
11720     {
11721       int playfield_xdiff = vp_playfield->width - playfield_width_corrected;
11722
11723       vp_playfield->width = playfield_width_corrected;
11724
11725       if (vp_playfield->align == ALIGN_LEFT)
11726       {
11727         vp_playfield->border_left += playfield_xdiff;
11728       }
11729       else if (vp_playfield->align == ALIGN_RIGHT)
11730       {
11731         vp_playfield->border_right += playfield_xdiff;
11732       }
11733       else if (vp_playfield->align == ALIGN_CENTER)
11734       {
11735         int border_left_diff  = playfield_xdiff / 2;
11736         int border_right_diff = playfield_xdiff - border_left_diff;
11737
11738         vp_playfield->border_left  += border_left_diff;
11739         vp_playfield->border_right += border_right_diff;
11740       }
11741     }
11742
11743     if (is_playfield_mode &&
11744         dynamic_playfield_height &&
11745         vp_playfield->height != playfield_height_corrected)
11746     {
11747       int playfield_ydiff = vp_playfield->height - playfield_height_corrected;
11748
11749       vp_playfield->height = playfield_height_corrected;
11750
11751       if (vp_playfield->valign == VALIGN_TOP)
11752       {
11753         vp_playfield->border_top += playfield_ydiff;
11754       }
11755       else if (vp_playfield->align == VALIGN_BOTTOM)
11756       {
11757         vp_playfield->border_right += playfield_ydiff;
11758       }
11759       else if (vp_playfield->align == VALIGN_MIDDLE)
11760       {
11761         int border_top_diff    = playfield_ydiff / 2;
11762         int border_bottom_diff = playfield_ydiff - border_top_diff;
11763
11764         vp_playfield->border_top    += border_top_diff;
11765         vp_playfield->border_bottom += border_bottom_diff;
11766       }
11767     }
11768
11769     // adjust door positions according to specified alignment
11770
11771     for (j = 0; j < 2; j++)
11772     {
11773       struct RectWithBorder *vp_door = (j == 0 ? vp_door_1 : vp_door_2);
11774
11775       if (vp_door->align == ALIGN_LEFT || vp_door->x > 0)
11776         vp_door->x = ALIGNED_VP_XPOS(vp_door);
11777       else if (vp_door->align == ALIGN_CENTER)
11778         vp_door->x = vp_window->width / 2 - vp_door->width / 2;
11779       else if (vp_door->align == ALIGN_RIGHT)
11780         vp_door->x += vp_window->width - vp_door->width;
11781
11782       if (vp_door->valign == VALIGN_TOP || vp_door->y > 0)
11783         vp_door->y = ALIGNED_VP_YPOS(vp_door);
11784       else if (vp_door->valign == VALIGN_MIDDLE)
11785         vp_door->y = vp_window->height / 2 - vp_door->height / 2;
11786       else if (vp_door->valign == VALIGN_BOTTOM)
11787         vp_door->y += vp_window->height - vp_door->height;
11788     }
11789   }
11790 }
11791
11792 static void InitMenuDesignSettings_SpecialPostProcessing_AfterGraphics(void)
11793 {
11794   static struct
11795   {
11796     struct XYTileSize *dst, *src;
11797     int graphic;
11798   }
11799   editor_buttons_xy[] =
11800   {
11801     {
11802       &editor.button.element_left,      &editor.palette.element_left,
11803       IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT
11804     },
11805     {
11806       &editor.button.element_middle,    &editor.palette.element_middle,
11807       IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE
11808     },
11809     {
11810       &editor.button.element_right,     &editor.palette.element_right,
11811       IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT
11812     },
11813
11814     { NULL,                     NULL                    }
11815   };
11816   int i;
11817
11818   // set default position for element buttons to element graphics
11819   for (i = 0; editor_buttons_xy[i].dst != NULL; i++)
11820   {
11821     if ((*editor_buttons_xy[i].dst).x == -1 &&
11822         (*editor_buttons_xy[i].dst).y == -1)
11823     {
11824       struct GraphicInfo *gd = &graphic_info[editor_buttons_xy[i].graphic];
11825
11826       gd->width = gd->height = editor_buttons_xy[i].src->tile_size;
11827
11828       *editor_buttons_xy[i].dst = *editor_buttons_xy[i].src;
11829     }
11830   }
11831
11832   // adjust editor palette rows and columns if specified to be dynamic
11833
11834   if (editor.palette.cols == -1)
11835   {
11836     int vp_width = viewport.playfield[GFX_SPECIAL_ARG_EDITOR].width;
11837     int bt_width = graphic_info[IMG_EDITOR_PALETTE_BUTTON].width;
11838     int sc_width = graphic_info[IMG_EDITOR_PALETTE_SCROLLBAR].width;
11839
11840     editor.palette.cols = (vp_width - sc_width) / bt_width;
11841
11842     if (editor.palette.x == -1)
11843     {
11844       int palette_width = editor.palette.cols * bt_width + sc_width;
11845
11846       editor.palette.x = (vp_width - palette_width) / 2;
11847     }
11848   }
11849
11850   if (editor.palette.rows == -1)
11851   {
11852     int vp_height = viewport.playfield[GFX_SPECIAL_ARG_EDITOR].height;
11853     int bt_height = graphic_info[IMG_EDITOR_PALETTE_BUTTON].height;
11854     int tx_height = getFontHeight(FONT_TEXT_2);
11855
11856     editor.palette.rows = (vp_height - tx_height) / bt_height;
11857
11858     if (editor.palette.y == -1)
11859     {
11860       int palette_height = editor.palette.rows * bt_height + tx_height;
11861
11862       editor.palette.y = (vp_height - palette_height) / 2;
11863     }
11864   }
11865 }
11866
11867 static void LoadMenuDesignSettingsFromFilename(char *filename)
11868 {
11869   static struct TitleFadingInfo tfi;
11870   static struct TitleMessageInfo tmi;
11871   static struct TokenInfo title_tokens[] =
11872   {
11873     { TYPE_INTEGER,     &tfi.fade_mode,         ".fade_mode"            },
11874     { TYPE_INTEGER,     &tfi.fade_delay,        ".fade_delay"           },
11875     { TYPE_INTEGER,     &tfi.post_delay,        ".post_delay"           },
11876     { TYPE_INTEGER,     &tfi.auto_delay,        ".auto_delay"           },
11877     { TYPE_INTEGER,     &tfi.auto_delay_unit,   ".auto_delay_unit"      },
11878
11879     { -1,               NULL,                   NULL                    }
11880   };
11881   static struct TokenInfo titlemessage_tokens[] =
11882   {
11883     { TYPE_INTEGER,     &tmi.x,                 ".x"                    },
11884     { TYPE_INTEGER,     &tmi.y,                 ".y"                    },
11885     { TYPE_INTEGER,     &tmi.width,             ".width"                },
11886     { TYPE_INTEGER,     &tmi.height,            ".height"               },
11887     { TYPE_INTEGER,     &tmi.chars,             ".chars"                },
11888     { TYPE_INTEGER,     &tmi.lines,             ".lines"                },
11889     { TYPE_INTEGER,     &tmi.align,             ".align"                },
11890     { TYPE_INTEGER,     &tmi.valign,            ".valign"               },
11891     { TYPE_INTEGER,     &tmi.font,              ".font"                 },
11892     { TYPE_BOOLEAN,     &tmi.autowrap,          ".autowrap"             },
11893     { TYPE_BOOLEAN,     &tmi.centered,          ".centered"             },
11894     { TYPE_BOOLEAN,     &tmi.parse_comments,    ".parse_comments"       },
11895     { TYPE_INTEGER,     &tmi.sort_priority,     ".sort_priority"        },
11896     { TYPE_INTEGER,     &tmi.fade_mode,         ".fade_mode"            },
11897     { TYPE_INTEGER,     &tmi.fade_delay,        ".fade_delay"           },
11898     { TYPE_INTEGER,     &tmi.post_delay,        ".post_delay"           },
11899     { TYPE_INTEGER,     &tmi.auto_delay,        ".auto_delay"           },
11900     { TYPE_INTEGER,     &tmi.auto_delay_unit,   ".auto_delay_unit"      },
11901
11902     { -1,               NULL,                   NULL                    }
11903   };
11904   static struct
11905   {
11906     struct TitleFadingInfo *info;
11907     char *text;
11908   }
11909   title_info[] =
11910   {
11911     // initialize first titles from "enter screen" definitions, if defined
11912     { &title_initial_first_default,     "menu.enter_screen.TITLE"       },
11913     { &title_first_default,             "menu.enter_screen.TITLE"       },
11914
11915     // initialize title screens from "next screen" definitions, if defined
11916     { &title_initial_default,           "menu.next_screen.TITLE"        },
11917     { &title_default,                   "menu.next_screen.TITLE"        },
11918
11919     { NULL,                             NULL                            }
11920   };
11921   static struct
11922   {
11923     struct TitleMessageInfo *array;
11924     char *text;
11925   }
11926   titlemessage_arrays[] =
11927   {
11928     // initialize first titles from "enter screen" definitions, if defined
11929     { titlescreen_initial_first,        "menu.enter_screen.TITLE"       },
11930     { titlescreen_first,                "menu.enter_screen.TITLE"       },
11931     { titlemessage_initial_first,       "menu.enter_screen.TITLE"       },
11932     { titlemessage_first,               "menu.enter_screen.TITLE"       },
11933
11934     // initialize titles from "next screen" definitions, if defined
11935     { titlescreen_initial,              "menu.next_screen.TITLE"        },
11936     { titlescreen,                      "menu.next_screen.TITLE"        },
11937     { titlemessage_initial,             "menu.next_screen.TITLE"        },
11938     { titlemessage,                     "menu.next_screen.TITLE"        },
11939
11940     // overwrite titles with title definitions, if defined
11941     { titlescreen_initial_first,        "[title_initial]"               },
11942     { titlescreen_first,                "[title]"                       },
11943     { titlemessage_initial_first,       "[title_initial]"               },
11944     { titlemessage_first,               "[title]"                       },
11945
11946     { titlescreen_initial,              "[title_initial]"               },
11947     { titlescreen,                      "[title]"                       },
11948     { titlemessage_initial,             "[title_initial]"               },
11949     { titlemessage,                     "[title]"                       },
11950
11951     // overwrite titles with title screen/message definitions, if defined
11952     { titlescreen_initial_first,        "[titlescreen_initial]"         },
11953     { titlescreen_first,                "[titlescreen]"                 },
11954     { titlemessage_initial_first,       "[titlemessage_initial]"        },
11955     { titlemessage_first,               "[titlemessage]"                },
11956
11957     { titlescreen_initial,              "[titlescreen_initial]"         },
11958     { titlescreen,                      "[titlescreen]"                 },
11959     { titlemessage_initial,             "[titlemessage_initial]"        },
11960     { titlemessage,                     "[titlemessage]"                },
11961
11962     { NULL,                             NULL                            }
11963   };
11964   SetupFileHash *setup_file_hash;
11965   int i, j, k;
11966
11967   if ((setup_file_hash = loadSetupFileHash(filename)) == NULL)
11968     return;
11969
11970   // the following initializes hierarchical values from dynamic configuration
11971
11972   // special case: initialize with default values that may be overwritten
11973   // (e.g., init "menu.draw_xoffset.INFO" from "menu.draw_xoffset")
11974   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
11975   {
11976     struct TokenIntPtrInfo menu_config[] =
11977     {
11978       { "menu.draw_xoffset",    &menu.draw_xoffset[i]   },
11979       { "menu.draw_yoffset",    &menu.draw_yoffset[i]   },
11980       { "menu.list_size",       &menu.list_size[i]      }
11981     };
11982
11983     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
11984     {
11985       char *token = menu_config[j].token;
11986       char *value = getHashEntry(setup_file_hash, token);
11987
11988       if (value != NULL)
11989         *menu_config[j].value = get_integer_from_string(value);
11990     }
11991   }
11992
11993   // special case: initialize with default values that may be overwritten
11994   // (eg, init "menu.draw_xoffset.INFO[XXX]" from "menu.draw_xoffset.INFO")
11995   for (i = 0; i < NUM_SPECIAL_GFX_INFO_ARGS; i++)
11996   {
11997     struct TokenIntPtrInfo menu_config[] =
11998     {
11999       { "menu.draw_xoffset.INFO",       &menu.draw_xoffset_info[i]      },
12000       { "menu.draw_yoffset.INFO",       &menu.draw_yoffset_info[i]      },
12001       { "menu.list_size.INFO",          &menu.list_size_info[i]         }
12002     };
12003
12004     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
12005     {
12006       char *token = menu_config[j].token;
12007       char *value = getHashEntry(setup_file_hash, token);
12008
12009       if (value != NULL)
12010         *menu_config[j].value = get_integer_from_string(value);
12011     }
12012   }
12013
12014   // special case: initialize with default values that may be overwritten
12015   // (eg, init "menu.draw_xoffset.SETUP[XXX]" from "menu.draw_xoffset.SETUP")
12016   for (i = 0; i < NUM_SPECIAL_GFX_SETUP_ARGS; i++)
12017   {
12018     struct TokenIntPtrInfo menu_config[] =
12019     {
12020       { "menu.draw_xoffset.SETUP",      &menu.draw_xoffset_setup[i]     },
12021       { "menu.draw_yoffset.SETUP",      &menu.draw_yoffset_setup[i]     }
12022     };
12023
12024     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
12025     {
12026       char *token = menu_config[j].token;
12027       char *value = getHashEntry(setup_file_hash, token);
12028
12029       if (value != NULL)
12030         *menu_config[j].value = get_integer_from_string(value);
12031     }
12032   }
12033
12034   // special case: initialize with default values that may be overwritten
12035   // (eg, init "menu.line_spacing.INFO[XXX]" from "menu.line_spacing.INFO")
12036   for (i = 0; i < NUM_SPECIAL_GFX_INFO_ARGS; i++)
12037   {
12038     struct TokenIntPtrInfo menu_config[] =
12039     {
12040       { "menu.left_spacing.INFO",       &menu.left_spacing_info[i]      },
12041       { "menu.right_spacing.INFO",      &menu.right_spacing_info[i]     },
12042       { "menu.top_spacing.INFO",        &menu.top_spacing_info[i]       },
12043       { "menu.bottom_spacing.INFO",     &menu.bottom_spacing_info[i]    },
12044       { "menu.paragraph_spacing.INFO",  &menu.paragraph_spacing_info[i] },
12045       { "menu.headline1_spacing.INFO",  &menu.headline1_spacing_info[i] },
12046       { "menu.headline2_spacing.INFO",  &menu.headline2_spacing_info[i] },
12047       { "menu.line_spacing.INFO",       &menu.line_spacing_info[i]      },
12048       { "menu.extra_spacing.INFO",      &menu.extra_spacing_info[i]     },
12049     };
12050
12051     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
12052     {
12053       char *token = menu_config[j].token;
12054       char *value = getHashEntry(setup_file_hash, token);
12055
12056       if (value != NULL)
12057         *menu_config[j].value = get_integer_from_string(value);
12058     }
12059   }
12060
12061   // special case: initialize with default values that may be overwritten
12062   // (eg, init "menu.enter_screen.SCORES.xyz" from "menu.enter_screen.xyz")
12063   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
12064   {
12065     struct TokenIntPtrInfo menu_config[] =
12066     {
12067       { "menu.enter_screen.fade_mode",  &menu.enter_screen[i].fade_mode  },
12068       { "menu.enter_screen.fade_delay", &menu.enter_screen[i].fade_delay },
12069       { "menu.enter_screen.post_delay", &menu.enter_screen[i].post_delay },
12070       { "menu.leave_screen.fade_mode",  &menu.leave_screen[i].fade_mode  },
12071       { "menu.leave_screen.fade_delay", &menu.leave_screen[i].fade_delay },
12072       { "menu.leave_screen.post_delay", &menu.leave_screen[i].post_delay },
12073       { "menu.next_screen.fade_mode",   &menu.next_screen[i].fade_mode   },
12074       { "menu.next_screen.fade_delay",  &menu.next_screen[i].fade_delay  },
12075       { "menu.next_screen.post_delay",  &menu.next_screen[i].post_delay  }
12076     };
12077
12078     for (j = 0; j < ARRAY_SIZE(menu_config); j++)
12079     {
12080       char *token = menu_config[j].token;
12081       char *value = getHashEntry(setup_file_hash, token);
12082
12083       if (value != NULL)
12084         *menu_config[j].value = get_token_parameter_value(token, value);
12085     }
12086   }
12087
12088   // special case: initialize with default values that may be overwritten
12089   // (eg, init "viewport.door_1.MAIN.xyz" from "viewport.door_1.xyz")
12090   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
12091   {
12092     struct
12093     {
12094       char *token_prefix;
12095       struct RectWithBorder *struct_ptr;
12096     }
12097     vp_struct[] =
12098     {
12099       { "viewport.window",      &viewport.window[i]     },
12100       { "viewport.playfield",   &viewport.playfield[i]  },
12101       { "viewport.door_1",      &viewport.door_1[i]     },
12102       { "viewport.door_2",      &viewport.door_2[i]     }
12103     };
12104
12105     for (j = 0; j < ARRAY_SIZE(vp_struct); j++)
12106     {
12107       struct TokenIntPtrInfo vp_config[] =
12108       {
12109         { ".x",                 &vp_struct[j].struct_ptr->x             },
12110         { ".y",                 &vp_struct[j].struct_ptr->y             },
12111         { ".width",             &vp_struct[j].struct_ptr->width         },
12112         { ".height",            &vp_struct[j].struct_ptr->height        },
12113         { ".min_width",         &vp_struct[j].struct_ptr->min_width     },
12114         { ".min_height",        &vp_struct[j].struct_ptr->min_height    },
12115         { ".max_width",         &vp_struct[j].struct_ptr->max_width     },
12116         { ".max_height",        &vp_struct[j].struct_ptr->max_height    },
12117         { ".margin_left",       &vp_struct[j].struct_ptr->margin_left   },
12118         { ".margin_right",      &vp_struct[j].struct_ptr->margin_right  },
12119         { ".margin_top",        &vp_struct[j].struct_ptr->margin_top    },
12120         { ".margin_bottom",     &vp_struct[j].struct_ptr->margin_bottom },
12121         { ".border_left",       &vp_struct[j].struct_ptr->border_left   },
12122         { ".border_right",      &vp_struct[j].struct_ptr->border_right  },
12123         { ".border_top",        &vp_struct[j].struct_ptr->border_top    },
12124         { ".border_bottom",     &vp_struct[j].struct_ptr->border_bottom },
12125         { ".border_size",       &vp_struct[j].struct_ptr->border_size   },
12126         { ".align_size",        &vp_struct[j].struct_ptr->align_size    },
12127         { ".align",             &vp_struct[j].struct_ptr->align         },
12128         { ".valign",            &vp_struct[j].struct_ptr->valign        }
12129       };
12130
12131       for (k = 0; k < ARRAY_SIZE(vp_config); k++)
12132       {
12133         char *token = getStringCat2(vp_struct[j].token_prefix,
12134                                     vp_config[k].token);
12135         char *value = getHashEntry(setup_file_hash, token);
12136
12137         if (value != NULL)
12138           *vp_config[k].value = get_token_parameter_value(token, value);
12139
12140         free(token);
12141       }
12142     }
12143   }
12144
12145   // special case: initialize with default values that may be overwritten
12146   // (e.g., init "[title].fade_mode" from "menu.next_screen.TITLE.fade_mode")
12147   for (i = 0; title_info[i].info != NULL; i++)
12148   {
12149     struct TitleFadingInfo *info = title_info[i].info;
12150     char *base_token = title_info[i].text;
12151
12152     for (j = 0; title_tokens[j].type != -1; j++)
12153     {
12154       char *token = getStringCat2(base_token, title_tokens[j].text);
12155       char *value = getHashEntry(setup_file_hash, token);
12156
12157       if (value != NULL)
12158       {
12159         int parameter_value = get_token_parameter_value(token, value);
12160
12161         tfi = *info;
12162
12163         *(int *)title_tokens[j].value = (int)parameter_value;
12164
12165         *info = tfi;
12166       }
12167
12168       free(token);
12169     }
12170   }
12171
12172   // special case: initialize with default values that may be overwritten
12173   // (e.g., init "titlemessage_1.fade_mode" from "[titlemessage].fade_mode")
12174   for (i = 0; titlemessage_arrays[i].array != NULL; i++)
12175   {
12176     struct TitleMessageInfo *array = titlemessage_arrays[i].array;
12177     char *base_token = titlemessage_arrays[i].text;
12178
12179     for (j = 0; titlemessage_tokens[j].type != -1; j++)
12180     {
12181       char *token = getStringCat2(base_token, titlemessage_tokens[j].text);
12182       char *value = getHashEntry(setup_file_hash, token);
12183
12184       if (value != NULL)
12185       {
12186         int parameter_value = get_token_parameter_value(token, value);
12187
12188         for (k = 0; k < MAX_NUM_TITLE_MESSAGES; k++)
12189         {
12190           tmi = array[k];
12191
12192           if (titlemessage_tokens[j].type == TYPE_INTEGER)
12193             *(int     *)titlemessage_tokens[j].value = (int)parameter_value;
12194           else
12195             *(boolean *)titlemessage_tokens[j].value = (boolean)parameter_value;
12196
12197           array[k] = tmi;
12198         }
12199       }
12200
12201       free(token);
12202     }
12203   }
12204
12205   // special case: check if network and preview player positions are redefined,
12206   // to compare this later against the main menu level preview being redefined
12207   struct TokenIntPtrInfo menu_config_players[] =
12208   {
12209     { "main.network_players.x", &menu.main.network_players.redefined    },
12210     { "main.network_players.y", &menu.main.network_players.redefined    },
12211     { "main.preview_players.x", &menu.main.preview_players.redefined    },
12212     { "main.preview_players.y", &menu.main.preview_players.redefined    },
12213     { "preview.x",              &preview.redefined                      },
12214     { "preview.y",              &preview.redefined                      }
12215   };
12216
12217   for (i = 0; i < ARRAY_SIZE(menu_config_players); i++)
12218     *menu_config_players[i].value = FALSE;
12219
12220   for (i = 0; i < ARRAY_SIZE(menu_config_players); i++)
12221     if (getHashEntry(setup_file_hash, menu_config_players[i].token) != NULL)
12222       *menu_config_players[i].value = TRUE;
12223
12224   // read (and overwrite with) values that may be specified in config file
12225   for (i = 0; image_config_vars[i].token != NULL; i++)
12226   {
12227     char *value = getHashEntry(setup_file_hash, image_config_vars[i].token);
12228
12229     // (ignore definitions set to "[DEFAULT]" which are already initialized)
12230     if (value != NULL && !strEqual(value, ARG_DEFAULT))
12231       *image_config_vars[i].value =
12232         get_token_parameter_value(image_config_vars[i].token, value);
12233   }
12234
12235   freeSetupFileHash(setup_file_hash);
12236 }
12237
12238 void LoadMenuDesignSettings(void)
12239 {
12240   char *filename_base = UNDEFINED_FILENAME, *filename_local;
12241
12242   InitMenuDesignSettings_Static();
12243   InitMenuDesignSettings_SpecialPreProcessing();
12244
12245   if (!GFX_OVERRIDE_ARTWORK(ARTWORK_TYPE_GRAPHICS))
12246   {
12247     // first look for special settings configured in level series config
12248     filename_base = getCustomArtworkLevelConfigFilename(ARTWORK_TYPE_GRAPHICS);
12249
12250     if (fileExists(filename_base))
12251       LoadMenuDesignSettingsFromFilename(filename_base);
12252   }
12253
12254   filename_local = getCustomArtworkConfigFilename(ARTWORK_TYPE_GRAPHICS);
12255
12256   if (filename_local != NULL && !strEqual(filename_base, filename_local))
12257     LoadMenuDesignSettingsFromFilename(filename_local);
12258
12259   InitMenuDesignSettings_SpecialPostProcessing();
12260 }
12261
12262 void LoadMenuDesignSettings_AfterGraphics(void)
12263 {
12264   InitMenuDesignSettings_SpecialPostProcessing_AfterGraphics();
12265 }
12266
12267 void LoadUserDefinedEditorElementList(int **elements, int *num_elements)
12268 {
12269   char *filename = getEditorSetupFilename();
12270   SetupFileList *setup_file_list, *list;
12271   SetupFileHash *element_hash;
12272   int num_unknown_tokens = 0;
12273   int i;
12274
12275   if ((setup_file_list = loadSetupFileList(filename)) == NULL)
12276     return;
12277
12278   element_hash = newSetupFileHash();
12279
12280   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
12281     setHashEntry(element_hash, element_info[i].token_name, i_to_a(i));
12282
12283   // determined size may be larger than needed (due to unknown elements)
12284   *num_elements = 0;
12285   for (list = setup_file_list; list != NULL; list = list->next)
12286     (*num_elements)++;
12287
12288   // add space for up to 3 more elements for padding that may be needed
12289   *num_elements += 3;
12290
12291   // free memory for old list of elements, if needed
12292   checked_free(*elements);
12293
12294   // allocate memory for new list of elements
12295   *elements = checked_malloc(*num_elements * sizeof(int));
12296
12297   *num_elements = 0;
12298   for (list = setup_file_list; list != NULL; list = list->next)
12299   {
12300     char *value = getHashEntry(element_hash, list->token);
12301
12302     if (value == NULL)          // try to find obsolete token mapping
12303     {
12304       char *mapped_token = get_mapped_token(list->token);
12305
12306       if (mapped_token != NULL)
12307       {
12308         value = getHashEntry(element_hash, mapped_token);
12309
12310         free(mapped_token);
12311       }
12312     }
12313
12314     if (value != NULL)
12315     {
12316       (*elements)[(*num_elements)++] = atoi(value);
12317     }
12318     else
12319     {
12320       if (num_unknown_tokens == 0)
12321       {
12322         Warn("---");
12323         Warn("unknown token(s) found in config file:");
12324         Warn("- config file: '%s'", filename);
12325
12326         num_unknown_tokens++;
12327       }
12328
12329       Warn("- token: '%s'", list->token);
12330     }
12331   }
12332
12333   if (num_unknown_tokens > 0)
12334     Warn("---");
12335
12336   while (*num_elements % 4)     // pad with empty elements, if needed
12337     (*elements)[(*num_elements)++] = EL_EMPTY;
12338
12339   freeSetupFileList(setup_file_list);
12340   freeSetupFileHash(element_hash);
12341
12342 #if 0
12343   for (i = 0; i < *num_elements; i++)
12344     Debug("editor", "element '%s' [%d]\n",
12345           element_info[(*elements)[i]].token_name, (*elements)[i]);
12346 #endif
12347 }
12348
12349 static struct MusicFileInfo *get_music_file_info_ext(char *basename, int music,
12350                                                      boolean is_sound)
12351 {
12352   SetupFileHash *setup_file_hash = NULL;
12353   struct MusicFileInfo tmp_music_file_info, *new_music_file_info;
12354   char *filename_music, *filename_prefix, *filename_info;
12355   struct
12356   {
12357     char *token;
12358     char **value_ptr;
12359   }
12360   token_to_value_ptr[] =
12361   {
12362     { "title_header",   &tmp_music_file_info.title_header       },
12363     { "artist_header",  &tmp_music_file_info.artist_header      },
12364     { "album_header",   &tmp_music_file_info.album_header       },
12365     { "year_header",    &tmp_music_file_info.year_header        },
12366
12367     { "title",          &tmp_music_file_info.title              },
12368     { "artist",         &tmp_music_file_info.artist             },
12369     { "album",          &tmp_music_file_info.album              },
12370     { "year",           &tmp_music_file_info.year               },
12371
12372     { NULL,             NULL                                    },
12373   };
12374   int i;
12375
12376   filename_music = (is_sound ? getCustomSoundFilename(basename) :
12377                     getCustomMusicFilename(basename));
12378
12379   if (filename_music == NULL)
12380     return NULL;
12381
12382   // ---------- try to replace file extension ----------
12383
12384   filename_prefix = getStringCopy(filename_music);
12385   if (strrchr(filename_prefix, '.') != NULL)
12386     *strrchr(filename_prefix, '.') = '\0';
12387   filename_info = getStringCat2(filename_prefix, ".txt");
12388
12389   if (fileExists(filename_info))
12390     setup_file_hash = loadSetupFileHash(filename_info);
12391
12392   free(filename_prefix);
12393   free(filename_info);
12394
12395   if (setup_file_hash == NULL)
12396   {
12397     // ---------- try to add file extension ----------
12398
12399     filename_prefix = getStringCopy(filename_music);
12400     filename_info = getStringCat2(filename_prefix, ".txt");
12401
12402     if (fileExists(filename_info))
12403       setup_file_hash = loadSetupFileHash(filename_info);
12404
12405     free(filename_prefix);
12406     free(filename_info);
12407   }
12408
12409   if (setup_file_hash == NULL)
12410     return NULL;
12411
12412   // ---------- music file info found ----------
12413
12414   clear_mem(&tmp_music_file_info, sizeof(struct MusicFileInfo));
12415
12416   for (i = 0; token_to_value_ptr[i].token != NULL; i++)
12417   {
12418     char *value = getHashEntry(setup_file_hash, token_to_value_ptr[i].token);
12419
12420     *token_to_value_ptr[i].value_ptr =
12421       getStringCopy(value != NULL && *value != '\0' ? value : UNKNOWN_NAME);
12422   }
12423
12424   tmp_music_file_info.basename = getStringCopy(basename);
12425   tmp_music_file_info.music = music;
12426   tmp_music_file_info.is_sound = is_sound;
12427
12428   new_music_file_info = checked_malloc(sizeof(struct MusicFileInfo));
12429   *new_music_file_info = tmp_music_file_info;
12430
12431   return new_music_file_info;
12432 }
12433
12434 static struct MusicFileInfo *get_music_file_info(char *basename, int music)
12435 {
12436   return get_music_file_info_ext(basename, music, FALSE);
12437 }
12438
12439 static struct MusicFileInfo *get_sound_file_info(char *basename, int sound)
12440 {
12441   return get_music_file_info_ext(basename, sound, TRUE);
12442 }
12443
12444 static boolean music_info_listed_ext(struct MusicFileInfo *list,
12445                                      char *basename, boolean is_sound)
12446 {
12447   for (; list != NULL; list = list->next)
12448     if (list->is_sound == is_sound && strEqual(list->basename, basename))
12449       return TRUE;
12450
12451   return FALSE;
12452 }
12453
12454 static boolean music_info_listed(struct MusicFileInfo *list, char *basename)
12455 {
12456   return music_info_listed_ext(list, basename, FALSE);
12457 }
12458
12459 static boolean sound_info_listed(struct MusicFileInfo *list, char *basename)
12460 {
12461   return music_info_listed_ext(list, basename, TRUE);
12462 }
12463
12464 void LoadMusicInfo(void)
12465 {
12466   char *music_directory = getCustomMusicDirectory();
12467   int num_music = getMusicListSize();
12468   int num_music_noconf = 0;
12469   int num_sounds = getSoundListSize();
12470   Directory *dir;
12471   DirectoryEntry *dir_entry;
12472   struct FileInfo *music, *sound;
12473   struct MusicFileInfo *next, **new;
12474   int i;
12475
12476   while (music_file_info != NULL)
12477   {
12478     next = music_file_info->next;
12479
12480     checked_free(music_file_info->basename);
12481
12482     checked_free(music_file_info->title_header);
12483     checked_free(music_file_info->artist_header);
12484     checked_free(music_file_info->album_header);
12485     checked_free(music_file_info->year_header);
12486
12487     checked_free(music_file_info->title);
12488     checked_free(music_file_info->artist);
12489     checked_free(music_file_info->album);
12490     checked_free(music_file_info->year);
12491
12492     free(music_file_info);
12493
12494     music_file_info = next;
12495   }
12496
12497   new = &music_file_info;
12498
12499   for (i = 0; i < num_music; i++)
12500   {
12501     music = getMusicListEntry(i);
12502
12503     if (music->filename == NULL)
12504       continue;
12505
12506     if (strEqual(music->filename, UNDEFINED_FILENAME))
12507       continue;
12508
12509     // a configured file may be not recognized as music
12510     if (!FileIsMusic(music->filename))
12511       continue;
12512
12513     if (!music_info_listed(music_file_info, music->filename))
12514     {
12515       *new = get_music_file_info(music->filename, i);
12516
12517       if (*new != NULL)
12518         new = &(*new)->next;
12519     }
12520   }
12521
12522   if ((dir = openDirectory(music_directory)) == NULL)
12523   {
12524     Warn("cannot read music directory '%s'", music_directory);
12525
12526     return;
12527   }
12528
12529   while ((dir_entry = readDirectory(dir)) != NULL)      // loop all entries
12530   {
12531     char *basename = dir_entry->basename;
12532     boolean music_already_used = FALSE;
12533     int i;
12534
12535     // skip all music files that are configured in music config file
12536     for (i = 0; i < num_music; i++)
12537     {
12538       music = getMusicListEntry(i);
12539
12540       if (music->filename == NULL)
12541         continue;
12542
12543       if (strEqual(basename, music->filename))
12544       {
12545         music_already_used = TRUE;
12546         break;
12547       }
12548     }
12549
12550     if (music_already_used)
12551       continue;
12552
12553     if (!FileIsMusic(dir_entry->filename))
12554       continue;
12555
12556     if (!music_info_listed(music_file_info, basename))
12557     {
12558       *new = get_music_file_info(basename, MAP_NOCONF_MUSIC(num_music_noconf));
12559
12560       if (*new != NULL)
12561         new = &(*new)->next;
12562     }
12563
12564     num_music_noconf++;
12565   }
12566
12567   closeDirectory(dir);
12568
12569   for (i = 0; i < num_sounds; i++)
12570   {
12571     sound = getSoundListEntry(i);
12572
12573     if (sound->filename == NULL)
12574       continue;
12575
12576     if (strEqual(sound->filename, UNDEFINED_FILENAME))
12577       continue;
12578
12579     // a configured file may be not recognized as sound
12580     if (!FileIsSound(sound->filename))
12581       continue;
12582
12583     if (!sound_info_listed(music_file_info, sound->filename))
12584     {
12585       *new = get_sound_file_info(sound->filename, i);
12586       if (*new != NULL)
12587         new = &(*new)->next;
12588     }
12589   }
12590 }
12591
12592 static void add_helpanim_entry(int element, int action, int direction,
12593                                int delay, int *num_list_entries)
12594 {
12595   struct HelpAnimInfo *new_list_entry;
12596   (*num_list_entries)++;
12597
12598   helpanim_info =
12599     checked_realloc(helpanim_info,
12600                     *num_list_entries * sizeof(struct HelpAnimInfo));
12601   new_list_entry = &helpanim_info[*num_list_entries - 1];
12602
12603   new_list_entry->element = element;
12604   new_list_entry->action = action;
12605   new_list_entry->direction = direction;
12606   new_list_entry->delay = delay;
12607 }
12608
12609 static void print_unknown_token(char *filename, char *token, int token_nr)
12610 {
12611   if (token_nr == 0)
12612   {
12613     Warn("---");
12614     Warn("unknown token(s) found in config file:");
12615     Warn("- config file: '%s'", filename);
12616   }
12617
12618   Warn("- token: '%s'", token);
12619 }
12620
12621 static void print_unknown_token_end(int token_nr)
12622 {
12623   if (token_nr > 0)
12624     Warn("---");
12625 }
12626
12627 void LoadHelpAnimInfo(void)
12628 {
12629   char *filename = getHelpAnimFilename();
12630   SetupFileList *setup_file_list = NULL, *list;
12631   SetupFileHash *element_hash, *action_hash, *direction_hash;
12632   int num_list_entries = 0;
12633   int num_unknown_tokens = 0;
12634   int i;
12635
12636   if (fileExists(filename))
12637     setup_file_list = loadSetupFileList(filename);
12638
12639   if (setup_file_list == NULL)
12640   {
12641     // use reliable default values from static configuration
12642     SetupFileList *insert_ptr;
12643
12644     insert_ptr = setup_file_list =
12645       newSetupFileList(helpanim_config[0].token,
12646                        helpanim_config[0].value);
12647
12648     for (i = 1; helpanim_config[i].token; i++)
12649       insert_ptr = addListEntry(insert_ptr,
12650                                 helpanim_config[i].token,
12651                                 helpanim_config[i].value);
12652   }
12653
12654   element_hash   = newSetupFileHash();
12655   action_hash    = newSetupFileHash();
12656   direction_hash = newSetupFileHash();
12657
12658   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
12659     setHashEntry(element_hash, element_info[i].token_name, i_to_a(i));
12660
12661   for (i = 0; i < NUM_ACTIONS; i++)
12662     setHashEntry(action_hash, element_action_info[i].suffix,
12663                  i_to_a(element_action_info[i].value));
12664
12665   // do not store direction index (bit) here, but direction value!
12666   for (i = 0; i < NUM_DIRECTIONS_FULL; i++)
12667     setHashEntry(direction_hash, element_direction_info[i].suffix,
12668                  i_to_a(1 << element_direction_info[i].value));
12669
12670   for (list = setup_file_list; list != NULL; list = list->next)
12671   {
12672     char *element_token, *action_token, *direction_token;
12673     char *element_value, *action_value, *direction_value;
12674     int delay = atoi(list->value);
12675
12676     if (strEqual(list->token, "end"))
12677     {
12678       add_helpanim_entry(HELPANIM_LIST_NEXT, -1, -1, -1, &num_list_entries);
12679
12680       continue;
12681     }
12682
12683     /* first try to break element into element/action/direction parts;
12684        if this does not work, also accept combined "element[.act][.dir]"
12685        elements (like "dynamite.active"), which are unique elements */
12686
12687     if (strchr(list->token, '.') == NULL)       // token contains no '.'
12688     {
12689       element_value = getHashEntry(element_hash, list->token);
12690       if (element_value != NULL)        // element found
12691         add_helpanim_entry(atoi(element_value), -1, -1, delay,
12692                            &num_list_entries);
12693       else
12694       {
12695         // no further suffixes found -- this is not an element
12696         print_unknown_token(filename, list->token, num_unknown_tokens++);
12697       }
12698
12699       continue;
12700     }
12701
12702     // token has format "<prefix>.<something>"
12703
12704     action_token = strchr(list->token, '.');    // suffix may be action ...
12705     direction_token = action_token;             // ... or direction
12706
12707     element_token = getStringCopy(list->token);
12708     *strchr(element_token, '.') = '\0';
12709
12710     element_value = getHashEntry(element_hash, element_token);
12711
12712     if (element_value == NULL)          // this is no element
12713     {
12714       element_value = getHashEntry(element_hash, list->token);
12715       if (element_value != NULL)        // combined element found
12716         add_helpanim_entry(atoi(element_value), -1, -1, delay,
12717                            &num_list_entries);
12718       else
12719         print_unknown_token(filename, list->token, num_unknown_tokens++);
12720
12721       free(element_token);
12722
12723       continue;
12724     }
12725
12726     action_value = getHashEntry(action_hash, action_token);
12727
12728     if (action_value != NULL)           // action found
12729     {
12730       add_helpanim_entry(atoi(element_value), atoi(action_value), -1, delay,
12731                     &num_list_entries);
12732
12733       free(element_token);
12734
12735       continue;
12736     }
12737
12738     direction_value = getHashEntry(direction_hash, direction_token);
12739
12740     if (direction_value != NULL)        // direction found
12741     {
12742       add_helpanim_entry(atoi(element_value), -1, atoi(direction_value), delay,
12743                          &num_list_entries);
12744
12745       free(element_token);
12746
12747       continue;
12748     }
12749
12750     if (strchr(action_token + 1, '.') == NULL)
12751     {
12752       // no further suffixes found -- this is not an action nor direction
12753
12754       element_value = getHashEntry(element_hash, list->token);
12755       if (element_value != NULL)        // combined element found
12756         add_helpanim_entry(atoi(element_value), -1, -1, delay,
12757                            &num_list_entries);
12758       else
12759         print_unknown_token(filename, list->token, num_unknown_tokens++);
12760
12761       free(element_token);
12762
12763       continue;
12764     }
12765
12766     // token has format "<prefix>.<suffix>.<something>"
12767
12768     direction_token = strchr(action_token + 1, '.');
12769
12770     action_token = getStringCopy(action_token);
12771     *strchr(action_token + 1, '.') = '\0';
12772
12773     action_value = getHashEntry(action_hash, action_token);
12774
12775     if (action_value == NULL)           // this is no action
12776     {
12777       element_value = getHashEntry(element_hash, list->token);
12778       if (element_value != NULL)        // combined element found
12779         add_helpanim_entry(atoi(element_value), -1, -1, delay,
12780                            &num_list_entries);
12781       else
12782         print_unknown_token(filename, list->token, num_unknown_tokens++);
12783
12784       free(element_token);
12785       free(action_token);
12786
12787       continue;
12788     }
12789
12790     direction_value = getHashEntry(direction_hash, direction_token);
12791
12792     if (direction_value != NULL)        // direction found
12793     {
12794       add_helpanim_entry(atoi(element_value), atoi(action_value),
12795                          atoi(direction_value), delay, &num_list_entries);
12796
12797       free(element_token);
12798       free(action_token);
12799
12800       continue;
12801     }
12802
12803     // this is no direction
12804
12805     element_value = getHashEntry(element_hash, list->token);
12806     if (element_value != NULL)          // combined element found
12807       add_helpanim_entry(atoi(element_value), -1, -1, delay,
12808                          &num_list_entries);
12809     else
12810       print_unknown_token(filename, list->token, num_unknown_tokens++);
12811
12812     free(element_token);
12813     free(action_token);
12814   }
12815
12816   print_unknown_token_end(num_unknown_tokens);
12817
12818   add_helpanim_entry(HELPANIM_LIST_NEXT, -1, -1, -1, &num_list_entries);
12819   add_helpanim_entry(HELPANIM_LIST_END,  -1, -1, -1, &num_list_entries);
12820
12821   freeSetupFileList(setup_file_list);
12822   freeSetupFileHash(element_hash);
12823   freeSetupFileHash(action_hash);
12824   freeSetupFileHash(direction_hash);
12825
12826 #if 0
12827   for (i = 0; i < num_list_entries; i++)
12828     Debug("files:LoadHelpAnimInfo", "'%s': %d, %d, %d => %d",
12829           EL_NAME(helpanim_info[i].element),
12830           helpanim_info[i].element,
12831           helpanim_info[i].action,
12832           helpanim_info[i].direction,
12833           helpanim_info[i].delay);
12834 #endif
12835 }
12836
12837 void LoadHelpTextInfo(void)
12838 {
12839   char *filename = getHelpTextFilename();
12840   int i;
12841
12842   if (helptext_info != NULL)
12843   {
12844     freeSetupFileHash(helptext_info);
12845     helptext_info = NULL;
12846   }
12847
12848   if (fileExists(filename))
12849     helptext_info = loadSetupFileHash(filename);
12850
12851   if (helptext_info == NULL)
12852   {
12853     // use reliable default values from static configuration
12854     helptext_info = newSetupFileHash();
12855
12856     for (i = 0; helptext_config[i].token; i++)
12857       setHashEntry(helptext_info,
12858                    helptext_config[i].token,
12859                    helptext_config[i].value);
12860   }
12861
12862 #if 0
12863   BEGIN_HASH_ITERATION(helptext_info, itr)
12864   {
12865     Debug("files:LoadHelpTextInfo", "'%s' => '%s'",
12866           HASH_ITERATION_TOKEN(itr), HASH_ITERATION_VALUE(itr));
12867   }
12868   END_HASH_ITERATION(hash, itr)
12869 #endif
12870 }
12871
12872
12873 // ----------------------------------------------------------------------------
12874 // convert levels
12875 // ----------------------------------------------------------------------------
12876
12877 #define MAX_NUM_CONVERT_LEVELS          1000
12878
12879 void ConvertLevels(void)
12880 {
12881   static LevelDirTree *convert_leveldir = NULL;
12882   static int convert_level_nr = -1;
12883   static int num_levels_handled = 0;
12884   static int num_levels_converted = 0;
12885   static boolean levels_failed[MAX_NUM_CONVERT_LEVELS];
12886   int i;
12887
12888   convert_leveldir = getTreeInfoFromIdentifier(leveldir_first,
12889                                                global.convert_leveldir);
12890
12891   if (convert_leveldir == NULL)
12892     Fail("no such level identifier: '%s'", global.convert_leveldir);
12893
12894   leveldir_current = convert_leveldir;
12895
12896   if (global.convert_level_nr != -1)
12897   {
12898     convert_leveldir->first_level = global.convert_level_nr;
12899     convert_leveldir->last_level  = global.convert_level_nr;
12900   }
12901
12902   convert_level_nr = convert_leveldir->first_level;
12903
12904   PrintLine("=", 79);
12905   Print("Converting levels\n");
12906   PrintLine("-", 79);
12907   Print("Level series identifier: '%s'\n", convert_leveldir->identifier);
12908   Print("Level series name:       '%s'\n", convert_leveldir->name);
12909   Print("Level series author:     '%s'\n", convert_leveldir->author);
12910   Print("Number of levels:        %d\n",   convert_leveldir->levels);
12911   PrintLine("=", 79);
12912   Print("\n");
12913
12914   for (i = 0; i < MAX_NUM_CONVERT_LEVELS; i++)
12915     levels_failed[i] = FALSE;
12916
12917   while (convert_level_nr <= convert_leveldir->last_level)
12918   {
12919     char *level_filename;
12920     boolean new_level;
12921
12922     level_nr = convert_level_nr++;
12923
12924     Print("Level %03d: ", level_nr);
12925
12926     LoadLevel(level_nr);
12927     if (level.no_level_file || level.no_valid_file)
12928     {
12929       Print("(no level)\n");
12930       continue;
12931     }
12932
12933     Print("converting level ... ");
12934
12935     level_filename = getDefaultLevelFilename(level_nr);
12936     new_level = !fileExists(level_filename);
12937
12938     if (new_level)
12939     {
12940       SaveLevel(level_nr);
12941
12942       num_levels_converted++;
12943
12944       Print("converted.\n");
12945     }
12946     else
12947     {
12948       if (level_nr >= 0 && level_nr < MAX_NUM_CONVERT_LEVELS)
12949         levels_failed[level_nr] = TRUE;
12950
12951       Print("NOT CONVERTED -- LEVEL ALREADY EXISTS.\n");
12952     }
12953
12954     num_levels_handled++;
12955   }
12956
12957   Print("\n");
12958   PrintLine("=", 79);
12959   Print("Number of levels handled: %d\n", num_levels_handled);
12960   Print("Number of levels converted: %d (%d%%)\n", num_levels_converted,
12961          (num_levels_handled ?
12962           num_levels_converted * 100 / num_levels_handled : 0));
12963   PrintLine("-", 79);
12964   Print("Summary (for automatic parsing by scripts):\n");
12965   Print("LEVELDIR '%s', CONVERTED %d/%d (%d%%)",
12966          convert_leveldir->identifier, num_levels_converted,
12967          num_levels_handled,
12968          (num_levels_handled ?
12969           num_levels_converted * 100 / num_levels_handled : 0));
12970
12971   if (num_levels_handled != num_levels_converted)
12972   {
12973     Print(", FAILED:");
12974     for (i = 0; i < MAX_NUM_CONVERT_LEVELS; i++)
12975       if (levels_failed[i])
12976         Print(" %03d", i);
12977   }
12978
12979   Print("\n");
12980   PrintLine("=", 79);
12981
12982   CloseAllAndExit(0);
12983 }
12984
12985
12986 // ----------------------------------------------------------------------------
12987 // create and save images for use in level sketches (raw BMP format)
12988 // ----------------------------------------------------------------------------
12989
12990 void CreateLevelSketchImages(void)
12991 {
12992   Bitmap *bitmap1;
12993   Bitmap *bitmap2;
12994   int i;
12995
12996   InitElementPropertiesGfxElement();
12997
12998   bitmap1 = CreateBitmap(TILEX, TILEY, DEFAULT_DEPTH);
12999   bitmap2 = CreateBitmap(MINI_TILEX, MINI_TILEY, DEFAULT_DEPTH);
13000
13001   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
13002   {
13003     int element = getMappedElement(i);
13004     char basename1[16];
13005     char basename2[16];
13006     char *filename1;
13007     char *filename2;
13008
13009     sprintf(basename1, "%04d.bmp", i);
13010     sprintf(basename2, "%04ds.bmp", i);
13011
13012     filename1 = getPath2(global.create_images_dir, basename1);
13013     filename2 = getPath2(global.create_images_dir, basename2);
13014
13015     DrawSizedElement(0, 0, element, TILESIZE);
13016     BlitBitmap(drawto, bitmap1, SX, SY, TILEX, TILEY, 0, 0);
13017
13018     if (SDL_SaveBMP(bitmap1->surface, filename1) != 0)
13019       Fail("cannot save level sketch image file '%s'", filename1);
13020
13021     DrawSizedElement(0, 0, element, MINI_TILESIZE);
13022     BlitBitmap(drawto, bitmap2, SX, SY, MINI_TILEX, MINI_TILEY, 0, 0);
13023
13024     if (SDL_SaveBMP(bitmap2->surface, filename2) != 0)
13025       Fail("cannot save level sketch image file '%s'", filename2);
13026
13027     free(filename1);
13028     free(filename2);
13029
13030     // create corresponding SQL statements (for normal and small images)
13031     if (i < 1000)
13032     {
13033       printf("insert into phpbb_words values (NULL, '`%03d', '<IMG class=\"levelsketch\" src=\"/I/%04d.png\"/>');\n", i, i);
13034       printf("insert into phpbb_words values (NULL, '¸%03d', '<IMG class=\"levelsketch\" src=\"/I/%04ds.png\"/>');\n", i, i);
13035     }
13036
13037     printf("insert into phpbb_words values (NULL, '`%04d', '<IMG class=\"levelsketch\" src=\"/I/%04d.png\"/>');\n", i, i);
13038     printf("insert into phpbb_words values (NULL, '¸%04d', '<IMG class=\"levelsketch\" src=\"/I/%04ds.png\"/>');\n", i, i);
13039
13040     // optional: create content for forum level sketch demonstration post
13041     if (options.debug)
13042       fprintf(stderr, "%03d `%03d%c", i, i, (i % 10 < 9 ? ' ' : '\n'));
13043   }
13044
13045   FreeBitmap(bitmap1);
13046   FreeBitmap(bitmap2);
13047
13048   if (options.debug)
13049     fprintf(stderr, "\n");
13050
13051   Info("%d normal and small images created", NUM_FILE_ELEMENTS);
13052
13053   CloseAllAndExit(0);
13054 }
13055
13056
13057 // ----------------------------------------------------------------------------
13058 // create and save images for custom and group elements (raw BMP format)
13059 // ----------------------------------------------------------------------------
13060
13061 void CreateCustomElementImages(char *directory)
13062 {
13063   char *src_basename = "RocksCE-template.ilbm";
13064   char *dst_basename = "RocksCE.bmp";
13065   char *src_filename = getPath2(directory, src_basename);
13066   char *dst_filename = getPath2(directory, dst_basename);
13067   Bitmap *src_bitmap;
13068   Bitmap *bitmap;
13069   int yoffset_ce = 0;
13070   int yoffset_ge = (TILEY * NUM_CUSTOM_ELEMENTS / 16);
13071   int i;
13072
13073   InitVideoDefaults();
13074
13075   ReCreateBitmap(&backbuffer, video.width, video.height);
13076
13077   src_bitmap = LoadImage(src_filename);
13078
13079   bitmap = CreateBitmap(TILEX * 16 * 2,
13080                         TILEY * (NUM_CUSTOM_ELEMENTS + NUM_GROUP_ELEMENTS) / 16,
13081                         DEFAULT_DEPTH);
13082
13083   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
13084   {
13085     int x = i % 16;
13086     int y = i / 16;
13087     int ii = i + 1;
13088     int j;
13089
13090     BlitBitmap(src_bitmap, bitmap, 0, 0, TILEX, TILEY,
13091                TILEX * x, TILEY * y + yoffset_ce);
13092
13093     BlitBitmap(src_bitmap, bitmap, 0, TILEY,
13094                TILEX, TILEY,
13095                TILEX * x + TILEX * 16,
13096                TILEY * y + yoffset_ce);
13097
13098     for (j = 2; j >= 0; j--)
13099     {
13100       int c = ii % 10;
13101
13102       BlitBitmap(src_bitmap, bitmap,
13103                  TILEX + c * 7, 0, 6, 10,
13104                  TILEX * x + 6 + j * 7,
13105                  TILEY * y + 11 + yoffset_ce);
13106
13107       BlitBitmap(src_bitmap, bitmap,
13108                  TILEX + c * 8, TILEY, 6, 10,
13109                  TILEX * 16 + TILEX * x + 6 + j * 8,
13110                  TILEY * y + 10 + yoffset_ce);
13111
13112       ii /= 10;
13113     }
13114   }
13115
13116   for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
13117   {
13118     int x = i % 16;
13119     int y = i / 16;
13120     int ii = i + 1;
13121     int j;
13122
13123     BlitBitmap(src_bitmap, bitmap, 0, 0, TILEX, TILEY,
13124                TILEX * x, TILEY * y + yoffset_ge);
13125
13126     BlitBitmap(src_bitmap, bitmap, 0, TILEY,
13127                TILEX, TILEY,
13128                TILEX * x + TILEX * 16,
13129                TILEY * y + yoffset_ge);
13130
13131     for (j = 1; j >= 0; j--)
13132     {
13133       int c = ii % 10;
13134
13135       BlitBitmap(src_bitmap, bitmap, TILEX + c * 10, 11, 10, 10,
13136                  TILEX * x + 6 + j * 10,
13137                  TILEY * y + 11 + yoffset_ge);
13138
13139       BlitBitmap(src_bitmap, bitmap,
13140                  TILEX + c * 8, TILEY + 12, 6, 10,
13141                  TILEX * 16 + TILEX * x + 10 + j * 8,
13142                  TILEY * y + 10 + yoffset_ge);
13143
13144       ii /= 10;
13145     }
13146   }
13147
13148   if (SDL_SaveBMP(bitmap->surface, dst_filename) != 0)
13149     Fail("cannot save CE graphics file '%s'", dst_filename);
13150
13151   FreeBitmap(bitmap);
13152
13153   CloseAllAndExit(0);
13154 }