src/init.c

   1 /***********************************************************
   2 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
   3 *----------------------------------------------------------*
   4 * (c) 1995-2002 Artsoft Entertainment                      *
   5 *               Holger Schemel                             *
   6 *               Detmolder Strasse 189                      *
   7 *               33604 Bielefeld                            *
   8 *               Germany                                    *
   9 *               e-mail: info@artsoft.org                   *
  10 *----------------------------------------------------------*
  11 * init.c                                                   *
  12 ***********************************************************/
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "init.h"
  17 #include "events.h"
  18 #include "screens.h"
  19 #include "editor.h"
  20 #include "game.h"
  21 #include "tape.h"
  22 #include "tools.h"
  23 #include "files.h"
  24 #include "network.h"
  25 #include "netserv.h"
  26 #include "cartoons.h"
  27 #include "config.h"
  28
  29 #include "conf_e2g.c"   /* include auto-generated data structure definitions */
  30 #include "conf_esg.c"   /* include auto-generated data structure definitions */
  31 #include "conf_e2s.c"   /* include auto-generated data structure definitions */
  32 #include "conf_fnt.c"   /* include auto-generated data structure definitions */
  33 #include "conf_g2s.c"   /* include auto-generated data structure definitions */
  34 #include "conf_g2m.c"   /* include auto-generated data structure definitions */
  35
  36
  37 #define CONFIG_TOKEN_FONT_INITIAL               "font.initial"
  38
  39
  40 struct FontBitmapInfo font_initial[NUM_INITIAL_FONTS];
  41
  42
  43 static void InitTileClipmasks()
  44 {
  45 #if 0
  46 #if defined(TARGET_X11)
  47   XGCValues clip_gc_values;
  48   unsigned long clip_gc_valuemask;
  49
  50 #if defined(TARGET_X11_NATIVE)
  51
  52 #if 0
  53   GC copy_clipmask_gc;
  54
  55   static struct
  56   {
  57     int start;
  58     int count;
  59   }
  60   tile_needs_clipping[] =
  61   {
  62     { GFX_SPIELER1_UP, 4 },
  63     { GFX_SPIELER1_DOWN, 4 },
  64     { GFX_SPIELER1_LEFT, 4 },
  65     { GFX_SPIELER1_RIGHT, 4 },
  66     { GFX_SPIELER1_PUSH_LEFT, 4 },
  67     { GFX_SPIELER1_PUSH_RIGHT, 4 },
  68     { GFX_SPIELER2_UP, 4 },
  69     { GFX_SPIELER2_DOWN, 4 },
  70     { GFX_SPIELER2_LEFT, 4 },
  71     { GFX_SPIELER2_RIGHT, 4 },
  72     { GFX_SPIELER2_PUSH_LEFT, 4 },
  73     { GFX_SPIELER2_PUSH_RIGHT, 4 },
  74     { GFX_SPIELER3_UP, 4 },
  75     { GFX_SPIELER3_DOWN, 4 },
  76     { GFX_SPIELER3_LEFT, 4 },
  77     { GFX_SPIELER3_RIGHT, 4 },
  78     { GFX_SPIELER3_PUSH_LEFT, 4 },
  79     { GFX_SPIELER3_PUSH_RIGHT, 4 },
  80     { GFX_SPIELER4_UP, 4 },
  81     { GFX_SPIELER4_DOWN, 4 },
  82     { GFX_SPIELER4_LEFT, 4 },
  83     { GFX_SPIELER4_RIGHT, 4 },
  84     { GFX_SPIELER4_PUSH_LEFT, 4 },
  85     { GFX_SPIELER4_PUSH_RIGHT, 4 },
  86     { GFX_SP_MURPHY, 1 },
  87     { GFX_MURPHY_GO_LEFT, 3 },
  88     { GFX_MURPHY_GO_RIGHT, 3 },
  89     { GFX_MURPHY_SNAP_UP, 1 },
  90     { GFX_MURPHY_SNAP_DOWN, 1 },
  91     { GFX_MURPHY_SNAP_RIGHT, 1 },
  92     { GFX_MURPHY_SNAP_LEFT, 1 },
  93     { GFX_MURPHY_PUSH_RIGHT, 1 },
  94     { GFX_MURPHY_PUSH_LEFT, 1 },
  95     { GFX_GEBLUBBER, 4 },
  96     { GFX_DYNAMIT, 7 },
  97     { GFX_DYNABOMB, 4 },
  98     { GFX_EXPLOSION, 8 },
  99     { GFX_SOKOBAN_OBJEKT, 1 },
 100     { GFX_FUNKELN_BLAU, 3 },
 101     { GFX_FUNKELN_WEISS, 3 },
 102     { GFX2_SHIELD_PASSIVE, 3 },
 103     { GFX2_SHIELD_ACTIVE, 3 },
 104     { -1, 0 }
 105   };
 106 #endif
 107
 108 #endif /* TARGET_X11_NATIVE */
 109 #endif /* TARGET_X11 */
 110
 111   int i;
 112
 113   /* initialize pixmap array for special X11 tile clipping to Pixmap 'None' */
 114   for (i = 0; i < NUM_TILES; i++)
 115     tile_clipmask[i] = None;
 116
 117 #if defined(TARGET_X11)
 118   /* This stuff is needed because X11 (XSetClipOrigin(), to be precise) is
 119      often very slow when preparing a masked XCopyArea() for big Pixmaps.
 120      To prevent this, create small (tile-sized) mask Pixmaps which will then
 121      be set much faster with XSetClipOrigin() and speed things up a lot. */
 122
 123   clip_gc_values.graphics_exposures = False;
 124   clip_gc_valuemask = GCGraphicsExposures;
 125   tile_clip_gc = XCreateGC(display, window->drawable,
 126                            clip_gc_valuemask, &clip_gc_values);
 127
 128 #if 0
 129   for (i = 0; i < NUM_BITMAPS; i++)
 130   {
 131     if (pix[i]->clip_mask)
 132     {
 133       clip_gc_values.graphics_exposures = False;
 134       clip_gc_values.clip_mask = pix[i]->clip_mask;
 135       clip_gc_valuemask = GCGraphicsExposures | GCClipMask;
 136       pix[i]->stored_clip_gc = XCreateGC(display, window->drawable,
 137                                          clip_gc_valuemask, &clip_gc_values);
 138     }
 139   }
 140 #endif
 141
 142 #if defined(TARGET_X11_NATIVE)
 143
 144 #if 0
 145   /* create graphic context structures needed for clipping */
 146   clip_gc_values.graphics_exposures = False;
 147   clip_gc_valuemask = GCGraphicsExposures;
 148   copy_clipmask_gc = XCreateGC(display, pix[PIX_BACK]->clip_mask,
 149                                clip_gc_valuemask, &clip_gc_values);
 150
 151   /* create only those clipping Pixmaps we really need */
 152   for (i = 0; tile_needs_clipping[i].start >= 0; i++)
 153   {
 154     int j;
 155
 156     for (j = 0; j < tile_needs_clipping[i].count; j++)
 157     {
 158       int tile = tile_needs_clipping[i].start + j;
 159       int graphic = tile;
 160       int src_x, src_y;
 161       Bitmap *src_bitmap;
 162       Pixmap src_pixmap;
 163
 164       getGraphicSource(graphic, &src_bitmap, &src_x, &src_y);
 165       src_pixmap = src_bitmap->clip_mask;
 166
 167       tile_clipmask[tile] = XCreatePixmap(display, window->drawable,
 168                                           TILEX, TILEY, 1);
 169
 170       XCopyArea(display, src_pixmap, tile_clipmask[tile], copy_clipmask_gc,
 171                 src_x, src_y, TILEX, TILEY, 0, 0);
 172     }
 173   }
 174
 175   XFreeGC(display, copy_clipmask_gc);
 176 #endif
 177
 178 #endif /* TARGET_X11_NATIVE */
 179 #endif /* TARGET_X11 */
 180 #endif
 181 }
 182
 183 void FreeTileClipmasks()
 184 {
 185 #if 0
 186 #if defined(TARGET_X11)
 187   int i;
 188
 189   for (i = 0; i < NUM_TILES; i++)
 190   {
 191     if (tile_clipmask[i] != None)
 192     {
 193       XFreePixmap(display, tile_clipmask[i]);
 194       tile_clipmask[i] = None;
 195     }
 196   }
 197
 198   if (tile_clip_gc)
 199     XFreeGC(display, tile_clip_gc);
 200   tile_clip_gc = None;
 201
 202 #if 0
 203   for (i = 0; i < NUM_BITMAPS; i++)
 204   {
 205     if (pix[i] != NULL && pix[i]->stored_clip_gc)
 206     {
 207       XFreeGC(display, pix[i]->stored_clip_gc);
 208       pix[i]->stored_clip_gc = None;
 209     }
 210   }
 211 #endif
 212
 213 #endif /* TARGET_X11 */
 214 #endif
 215 }
 216
 217 void FreeGadgets()
 218 {
 219   FreeLevelEditorGadgets();
 220   FreeGameButtons();
 221   FreeTapeButtons();
 222   FreeToolButtons();
 223   FreeScreenGadgets();
 224 }
 225
 226 void InitGadgets()
 227 {
 228   static boolean gadgets_initialized = FALSE;
 229
 230   if (gadgets_initialized)
 231     FreeGadgets();
 232
 233   CreateLevelEditorGadgets();
 234   CreateGameButtons();
 235   CreateTapeButtons();
 236   CreateToolButtons();
 237   CreateScreenGadgets();
 238
 239   gadgets_initialized = TRUE;
 240 }
 241
 242 void InitElementSmallImages()
 243 {
 244   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
 245   int num_property_mappings = getImageListPropertyMappingSize();
 246   int i;
 247
 248   /* initialize normal images from static configuration */
 249   for (i = 0; element_to_graphic[i].element > -1; i++)
 250     CreateImageWithSmallImages(element_to_graphic[i].graphic);
 251
 252   /* initialize special images from static configuration */
 253   for (i = 0; element_to_special_graphic[i].element > -1; i++)
 254     CreateImageWithSmallImages(element_to_special_graphic[i].graphic);
 255
 256   /* initialize images from dynamic configuration */
 257   for (i = 0; i < num_property_mappings; i++)
 258     if (property_mapping[i].artwork_index < MAX_NUM_ELEMENTS)
 259       CreateImageWithSmallImages(property_mapping[i].artwork_index);
 260 }
 261
 262 static int getFontBitmapID(int font_nr)
 263 {
 264   int special = -1;
 265
 266   if (game_status >= GAME_MODE_MAIN && game_status <= GAME_MODE_PSEUDO_PREVIEW)
 267     special = game_status;
 268   else if (game_status == GAME_MODE_PSEUDO_TYPENAME)
 269     special = GFX_SPECIAL_ARG_MAIN;
 270   else if (game_status == GAME_MODE_PLAYING)
 271     special = GFX_SPECIAL_ARG_DOOR;
 272
 273   if (special != -1)
 274     return font_info[font_nr].special_bitmap_id[special];
 275   else
 276     return font_nr;
 277 }
 278
 279 void InitFontGraphicInfo()
 280 {
 281   static struct FontBitmapInfo *font_bitmap_info = NULL;
 282   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
 283   int num_property_mappings = getImageListPropertyMappingSize();
 284   int num_font_bitmaps = NUM_FONTS;
 285   int i, j;
 286
 287   if (graphic_info == NULL)             /* still at startup phase */
 288   {
 289     InitFontInfo(font_initial, NUM_INITIAL_FONTS, getFontBitmapID);
 290
 291     return;
 292   }
 293
 294   /* ---------- initialize font graphic definitions ---------- */
 295
 296   /* always start with reliable default values (normal font graphics) */
 297 #if 1
 298   for (i = 0; i < NUM_FONTS; i++)
 299     font_info[i].graphic = IMG_FONT_INITIAL_1;
 300 #else
 301   for (i = 0; i < NUM_FONTS; i++)
 302     font_info[i].graphic = FONT_INITIAL_1;
 303 #endif
 304
 305   /* initialize normal font/graphic mapping from static configuration */
 306   for (i = 0; font_to_graphic[i].font_nr > -1; i++)
 307   {
 308     int font_nr = font_to_graphic[i].font_nr;
 309     int special = font_to_graphic[i].special;
 310     int graphic = font_to_graphic[i].graphic;
 311
 312     if (special != -1)
 313       continue;
 314
 315     font_info[font_nr].graphic = graphic;
 316   }
 317
 318   /* always start with reliable default values (special font graphics) */
 319   for (i = 0; i < NUM_FONTS; i++)
 320   {
 321     for (j = 0; j < NUM_SPECIAL_GFX_ARGS; j++)
 322     {
 323       font_info[i].special_graphic[j] = font_info[i].graphic;
 324       font_info[i].special_bitmap_id[j] = i;
 325     }
 326   }
 327
 328   /* initialize special font/graphic mapping from static configuration */
 329   for (i = 0; font_to_graphic[i].font_nr > -1; i++)
 330   {
 331     int font_nr = font_to_graphic[i].font_nr;
 332     int special = font_to_graphic[i].special;
 333     int graphic = font_to_graphic[i].graphic;
 334
 335     if (special >= 0 && special < NUM_SPECIAL_GFX_ARGS)
 336     {
 337       font_info[font_nr].special_graphic[special] = graphic;
 338       font_info[font_nr].special_bitmap_id[special] = num_font_bitmaps;
 339       num_font_bitmaps++;
 340     }
 341   }
 342
 343   /* initialize special element/graphic mapping from dynamic configuration */
 344   for (i = 0; i < num_property_mappings; i++)
 345   {
 346     int font_nr = property_mapping[i].base_index - MAX_NUM_ELEMENTS;
 347     int special = property_mapping[i].ext3_index;
 348     int graphic = property_mapping[i].artwork_index;
 349
 350     if (font_nr < 0)
 351       continue;
 352
 353     if (special >= 0 && special < NUM_SPECIAL_GFX_ARGS)
 354     {
 355       font_info[font_nr].special_graphic[special] = graphic;
 356       font_info[font_nr].special_bitmap_id[special] = num_font_bitmaps;
 357       num_font_bitmaps++;
 358     }
 359   }
 360
 361   /* ---------- initialize font bitmap array ---------- */
 362
 363   if (font_bitmap_info != NULL)
 364     FreeFontInfo(font_bitmap_info);
 365
 366   font_bitmap_info =
 367     checked_calloc(num_font_bitmaps * sizeof(struct FontBitmapInfo));
 368
 369   /* ---------- initialize font bitmap definitions ---------- */
 370
 371   for (i = 0; i < NUM_FONTS; i++)
 372   {
 373     if (i < NUM_INITIAL_FONTS)
 374     {
 375       font_bitmap_info[i] = font_initial[i];
 376       continue;
 377     }
 378
 379     for (j = 0; j < NUM_SPECIAL_GFX_ARGS; j++)
 380     {
 381       int font_bitmap_id = font_info[i].special_bitmap_id[j];
 382       int graphic = font_info[i].special_graphic[j];
 383
 384       /* set 'graphic_info' for font entries, if uninitialized (guessed) */
 385       if (graphic_info[graphic].anim_frames < MIN_NUM_CHARS_PER_FONT)
 386       {
 387         graphic_info[graphic].anim_frames = DEFAULT_NUM_CHARS_PER_FONT;
 388         graphic_info[graphic].anim_frames_per_line= DEFAULT_NUM_CHARS_PER_LINE;
 389       }
 390
 391       /* copy font relevant information from graphics information */
 392       font_bitmap_info[font_bitmap_id].bitmap = graphic_info[graphic].bitmap;
 393       font_bitmap_info[font_bitmap_id].src_x  = graphic_info[graphic].src_x;
 394       font_bitmap_info[font_bitmap_id].src_y  = graphic_info[graphic].src_y;
 395       font_bitmap_info[font_bitmap_id].width  = graphic_info[graphic].width;
 396       font_bitmap_info[font_bitmap_id].height = graphic_info[graphic].height;
 397       font_bitmap_info[font_bitmap_id].draw_x = graphic_info[graphic].draw_x;
 398       font_bitmap_info[font_bitmap_id].draw_y = graphic_info[graphic].draw_y;
 399
 400       font_bitmap_info[font_bitmap_id].num_chars =
 401         graphic_info[graphic].anim_frames;
 402       font_bitmap_info[font_bitmap_id].num_chars_per_line =
 403         graphic_info[graphic].anim_frames_per_line;
 404     }
 405   }
 406
 407   InitFontInfo(font_bitmap_info, num_font_bitmaps, getFontBitmapID);
 408 }
 409
 410 void InitElementGraphicInfo()
 411 {
 412   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
 413   int num_property_mappings = getImageListPropertyMappingSize();
 414   int i, act, dir;
 415
 416   if (graphic_info == NULL)             /* still at startup phase */
 417     return;
 418
 419   /* set values to -1 to identify later as "uninitialized" values */
 420   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 421   {
 422     for (act = 0; act < NUM_ACTIONS; act++)
 423     {
 424       element_info[i].graphic[act] = -1;
 425       element_info[i].crumbled[act] = -1;
 426
 427       for (dir = 0; dir < NUM_DIRECTIONS; dir++)
 428       {
 429         element_info[i].direction_graphic[act][dir] = -1;
 430         element_info[i].direction_crumbled[act][dir] = -1;
 431       }
 432     }
 433   }
 434
 435   /* initialize normal element/graphic mapping from static configuration */
 436   for (i = 0; element_to_graphic[i].element > -1; i++)
 437   {
 438     int element      = element_to_graphic[i].element;
 439     int action       = element_to_graphic[i].action;
 440     int direction    = element_to_graphic[i].direction;
 441     boolean crumbled = element_to_graphic[i].crumbled;
 442     int graphic      = element_to_graphic[i].graphic;
 443
 444     if (graphic_info[graphic].bitmap == NULL)
 445       continue;
 446
 447     if ((action > -1 || direction > -1 || crumbled == TRUE) &&
 448         el2img(element) != -1)
 449     {
 450       boolean base_redefined = getImageListEntry(el2img(element))->redefined;
 451       boolean act_dir_redefined = getImageListEntry(graphic)->redefined;
 452
 453       /* if the base graphic ("emerald", for example) has been redefined,
 454          but not the action graphic ("emerald.falling", for example), do not
 455          use an existing (in this case considered obsolete) action graphic
 456          anymore, but use the automatically determined default graphic */
 457       if (base_redefined && !act_dir_redefined)
 458         continue;
 459     }
 460
 461     if (action < 0)
 462       action = ACTION_DEFAULT;
 463
 464     if (crumbled)
 465     {
 466       if (direction > -1)
 467         element_info[element].direction_crumbled[action][direction] = graphic;
 468       else
 469         element_info[element].crumbled[action] = graphic;
 470     }
 471     else
 472     {
 473       if (direction > -1)
 474         element_info[element].direction_graphic[action][direction] = graphic;
 475       else
 476         element_info[element].graphic[action] = graphic;
 477     }
 478   }
 479
 480   /* initialize normal element/graphic mapping from dynamic configuration */
 481   for (i = 0; i < num_property_mappings; i++)
 482   {
 483     int element   = property_mapping[i].base_index;
 484     int action    = property_mapping[i].ext1_index;
 485     int direction = property_mapping[i].ext2_index;
 486     int special   = property_mapping[i].ext3_index;
 487     int graphic   = property_mapping[i].artwork_index;
 488     boolean crumbled = FALSE;
 489
 490     if (special == GFX_SPECIAL_ARG_CRUMBLED)
 491     {
 492       special = -1;
 493       crumbled = TRUE;
 494     }
 495
 496     if (graphic_info[graphic].bitmap == NULL)
 497       continue;
 498
 499     if (element >= MAX_NUM_ELEMENTS || special != -1)
 500       continue;
 501
 502     if (action < 0)
 503       action = ACTION_DEFAULT;
 504
 505     if (crumbled)
 506     {
 507       if (direction < 0)
 508         for (dir = 0; dir < NUM_DIRECTIONS; dir++)
 509           element_info[element].direction_crumbled[action][dir] = -1;
 510
 511       if (direction > -1)
 512         element_info[element].direction_crumbled[action][direction] = graphic;
 513       else
 514         element_info[element].crumbled[action] = graphic;
 515     }
 516     else
 517     {
 518       if (direction < 0)
 519         for (dir = 0; dir < NUM_DIRECTIONS; dir++)
 520           element_info[element].direction_graphic[action][dir] = -1;
 521
 522       if (direction > -1)
 523         element_info[element].direction_graphic[action][direction] = graphic;
 524       else
 525         element_info[element].graphic[action] = graphic;
 526     }
 527   }
 528
 529   /* now copy all graphics that are defined to be cloned from other graphics */
 530   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 531   {
 532     int graphic = element_info[i].graphic[ACTION_DEFAULT];
 533     int crumbled_like, diggable_like;
 534
 535     if (graphic == -1)
 536       continue;
 537
 538     crumbled_like = graphic_info[graphic].crumbled_like;
 539     diggable_like = graphic_info[graphic].diggable_like;
 540
 541     if (crumbled_like != -1 && element_info[i].crumbled[ACTION_DEFAULT] == -1)
 542     {
 543       for (act = 0; act < NUM_ACTIONS; act++)
 544         element_info[i].crumbled[act] =
 545           element_info[crumbled_like].crumbled[act];
 546       for (act = 0; act < NUM_ACTIONS; act++)
 547         for (dir = 0; dir < NUM_DIRECTIONS; dir++)
 548           element_info[i].direction_crumbled[act][dir] =
 549             element_info[crumbled_like].direction_crumbled[act][dir];
 550     }
 551
 552     if (diggable_like != -1 && element_info[i].graphic[ACTION_DIGGING] == -1)
 553     {
 554       element_info[i].graphic[ACTION_DIGGING] =
 555         element_info[diggable_like].graphic[ACTION_DIGGING];
 556       for (dir = 0; dir < NUM_DIRECTIONS; dir++)
 557         element_info[i].direction_graphic[ACTION_DIGGING][dir] =
 558           element_info[diggable_like].direction_graphic[ACTION_DIGGING][dir];
 559     }
 560   }
 561
 562 #if 1
 563   /* now set all undefined/invalid graphics to -1 to set to default after it */
 564   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 565   {
 566     for (act = 0; act < NUM_ACTIONS; act++)
 567     {
 568       int graphic;
 569
 570       graphic = element_info[i].graphic[act];
 571       if (graphic > 0 && graphic_info[graphic].bitmap == NULL)
 572         element_info[i].graphic[act] = -1;
 573
 574       graphic = element_info[i].crumbled[act];
 575       if (graphic > 0 && graphic_info[graphic].bitmap == NULL)
 576         element_info[i].crumbled[act] = -1;
 577
 578       for (dir = 0; dir < NUM_DIRECTIONS; dir++)
 579       {
 580         graphic = element_info[i].direction_graphic[act][dir];
 581         if (graphic > 0 && graphic_info[graphic].bitmap == NULL)
 582           element_info[i].direction_graphic[act][dir] = -1;
 583
 584         graphic = element_info[i].direction_crumbled[act][dir];
 585         if (graphic > 0 && graphic_info[graphic].bitmap == NULL)
 586           element_info[i].direction_crumbled[act][dir] = -1;
 587       }
 588     }
 589   }
 590 #endif
 591
 592   /* now set all '-1' values to element specific default values */
 593   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 594   {
 595     int default_graphic = element_info[i].graphic[ACTION_DEFAULT];
 596     int default_crumbled = element_info[i].crumbled[ACTION_DEFAULT];
 597     int default_direction_graphic[NUM_DIRECTIONS];
 598     int default_direction_crumbled[NUM_DIRECTIONS];
 599
 600     if (default_graphic == -1)
 601       default_graphic = IMG_UNKNOWN;
 602     if (default_crumbled == -1)
 603       default_crumbled = IMG_EMPTY;
 604
 605     for (dir = 0; dir < NUM_DIRECTIONS; dir++)
 606     {
 607       default_direction_graphic[dir] =
 608         element_info[i].direction_graphic[ACTION_DEFAULT][dir];
 609       default_direction_crumbled[dir] =
 610         element_info[i].direction_crumbled[ACTION_DEFAULT][dir];
 611
 612       if (default_direction_graphic[dir] == -1)
 613         default_direction_graphic[dir] = default_graphic;
 614       if (default_direction_crumbled[dir] == -1)
 615         default_direction_crumbled[dir] = default_crumbled;
 616     }
 617
 618     for (act = 0; act < NUM_ACTIONS; act++)
 619     {
 620       boolean act_remove = ((IS_DIGGABLE(i)    && act == ACTION_DIGGING)  ||
 621                             (IS_SNAPPABLE(i)   && act == ACTION_SNAPPING) ||
 622                             (IS_COLLECTIBLE(i) && act == ACTION_COLLECTING));
 623       boolean act_turning = (act == ACTION_TURNING_FROM_LEFT ||
 624                              act == ACTION_TURNING_FROM_RIGHT ||
 625                              act == ACTION_TURNING_FROM_UP ||
 626                              act == ACTION_TURNING_FROM_DOWN);
 627
 628       /* generic default action graphic (defined by "[default]" directive) */
 629       int default_action_graphic = element_info[EL_DEFAULT].graphic[act];
 630       int default_action_crumbled = element_info[EL_DEFAULT].crumbled[act];
 631
 632       /* look for special default action graphic (classic game specific) */
 633       if (IS_BD_ELEMENT(i) && element_info[EL_BD_DEFAULT].graphic[act] != -1)
 634         default_action_graphic = element_info[EL_BD_DEFAULT].graphic[act];
 635       if (IS_SP_ELEMENT(i) && element_info[EL_SP_DEFAULT].graphic[act] != -1)
 636         default_action_graphic = element_info[EL_SP_DEFAULT].graphic[act];
 637       if (IS_SB_ELEMENT(i) && element_info[EL_SB_DEFAULT].graphic[act] != -1)
 638         default_action_graphic = element_info[EL_SB_DEFAULT].graphic[act];
 639
 640       if (IS_BD_ELEMENT(i) && element_info[EL_BD_DEFAULT].crumbled[act] != -1)
 641         default_action_crumbled = element_info[EL_BD_DEFAULT].crumbled[act];
 642       if (IS_SP_ELEMENT(i) && element_info[EL_SP_DEFAULT].crumbled[act] != -1)
 643         default_action_crumbled = element_info[EL_SP_DEFAULT].crumbled[act];
 644       if (IS_SB_ELEMENT(i) && element_info[EL_SB_DEFAULT].crumbled[act] != -1)
 645         default_action_crumbled = element_info[EL_SB_DEFAULT].crumbled[act];
 646
 647 #if 1
 648       /* !!! make this better !!! */
 649       if (i == EL_EMPTY_SPACE)
 650       {
 651         default_action_graphic = element_info[EL_DEFAULT].graphic[act];
 652         default_action_crumbled = element_info[EL_DEFAULT].crumbled[act];
 653       }
 654 #endif
 655
 656       if (default_action_graphic == -1)
 657         default_action_graphic = default_graphic;
 658       if (default_action_crumbled == -1)
 659         default_action_crumbled = default_crumbled;
 660
 661       for (dir = 0; dir < NUM_DIRECTIONS; dir++)
 662       {
 663         int default_action_direction_graphic = element_info[i].graphic[act];
 664         int default_action_direction_crumbled = element_info[i].crumbled[act];
 665
 666         /* no graphic for current action -- use default direction graphic */
 667         if (default_action_direction_graphic == -1)
 668           default_action_direction_graphic =
 669             (act_remove ? IMG_EMPTY :
 670              act_turning ?
 671              element_info[i].direction_graphic[ACTION_TURNING][dir] :
 672              default_direction_graphic[dir]);
 673         if (default_action_direction_crumbled == -1)
 674           default_action_direction_crumbled =
 675             (act_remove ? IMG_EMPTY :
 676              act_turning ?
 677              element_info[i].direction_crumbled[ACTION_TURNING][dir] :
 678              default_direction_crumbled[dir]);
 679
 680         if (element_info[i].direction_graphic[act][dir] == -1)
 681           element_info[i].direction_graphic[act][dir] =
 682             default_action_direction_graphic;
 683         if (element_info[i].direction_crumbled[act][dir] == -1)
 684           element_info[i].direction_crumbled[act][dir] =
 685             default_action_direction_crumbled;
 686       }
 687
 688       /* no graphic for this specific action -- use default action graphic */
 689       if (element_info[i].graphic[act] == -1)
 690         element_info[i].graphic[act] =
 691           (act_remove ? IMG_EMPTY :
 692            act_turning ? element_info[i].graphic[ACTION_TURNING] :
 693            default_action_graphic);
 694       if (element_info[i].crumbled[act] == -1)
 695         element_info[i].crumbled[act] =
 696           (act_remove ? IMG_EMPTY :
 697            act_turning ? element_info[i].crumbled[ACTION_TURNING] :
 698            default_action_crumbled);
 699     }
 700   }
 701
 702 #if 1
 703   /* set animation mode to "none" for each graphic with only 1 frame */
 704   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 705   {
 706     for (act = 0; act < NUM_ACTIONS; act++)
 707     {
 708       int graphic = element_info[i].graphic[act];
 709       int crumbled = element_info[i].crumbled[act];
 710
 711       if (graphic_info[graphic].anim_frames == 1)
 712         graphic_info[graphic].anim_mode = ANIM_NONE;
 713       if (graphic_info[crumbled].anim_frames == 1)
 714         graphic_info[crumbled].anim_mode = ANIM_NONE;
 715
 716       for (dir = 0; dir < NUM_DIRECTIONS; dir++)
 717       {
 718         graphic = element_info[i].direction_graphic[act][dir];
 719         crumbled = element_info[i].direction_crumbled[act][dir];
 720
 721         if (graphic_info[graphic].anim_frames == 1)
 722           graphic_info[graphic].anim_mode = ANIM_NONE;
 723         if (graphic_info[crumbled].anim_frames == 1)
 724           graphic_info[crumbled].anim_mode = ANIM_NONE;
 725       }
 726     }
 727   }
 728 #endif
 729
 730 #if 0
 731 #if DEBUG
 732   if (options.verbose)
 733   {
 734     for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 735       if (element_info[i].graphic[ACTION_DEFAULT] == IMG_UNKNOWN &&
 736           i != EL_UNKNOWN)
 737         Error(ERR_RETURN, "warning: no graphic for element '%s' (%d)",
 738               element_info[i].token_name, i);
 739   }
 740 #endif
 741 #endif
 742 }
 743
 744 void InitElementSpecialGraphicInfo()
 745 {
 746   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
 747   int num_property_mappings = getImageListPropertyMappingSize();
 748   int i, j;
 749
 750   /* always start with reliable default values */
 751   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 752     for (j = 0; j < NUM_SPECIAL_GFX_ARGS; j++)
 753       element_info[i].special_graphic[j] =
 754         element_info[i].graphic[ACTION_DEFAULT];
 755
 756   /* initialize special element/graphic mapping from static configuration */
 757   for (i = 0; element_to_special_graphic[i].element > -1; i++)
 758   {
 759     int element = element_to_special_graphic[i].element;
 760     int special = element_to_special_graphic[i].special;
 761     int graphic = element_to_special_graphic[i].graphic;
 762     boolean base_redefined = getImageListEntry(el2img(element))->redefined;
 763     boolean special_redefined = getImageListEntry(graphic)->redefined;
 764
 765     /* if the base graphic ("emerald", for example) has been redefined,
 766        but not the special graphic ("emerald.EDITOR", for example), do not
 767        use an existing (in this case considered obsolete) special graphic
 768        anymore, but use the automatically created (down-scaled) graphic */
 769     if (base_redefined && !special_redefined)
 770       continue;
 771
 772     element_info[element].special_graphic[special] = graphic;
 773   }
 774
 775   /* initialize special element/graphic mapping from dynamic configuration */
 776   for (i = 0; i < num_property_mappings; i++)
 777   {
 778     int element = property_mapping[i].base_index;
 779     int special = property_mapping[i].ext3_index;
 780     int graphic = property_mapping[i].artwork_index;
 781
 782     if (element >= MAX_NUM_ELEMENTS)
 783       continue;
 784
 785     if (special >= 0 && special < NUM_SPECIAL_GFX_ARGS)
 786       element_info[element].special_graphic[special] = graphic;
 787   }
 788
 789 #if 1
 790   /* now set all undefined/invalid graphics to default */
 791   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 792     for (j = 0; j < NUM_SPECIAL_GFX_ARGS; j++)
 793       if (graphic_info[element_info[i].special_graphic[j]].bitmap == NULL)
 794         element_info[i].special_graphic[j] =
 795           element_info[i].graphic[ACTION_DEFAULT];
 796 #endif
 797 }
 798
 799 static int get_element_from_token(char *token)
 800 {
 801   int i;
 802
 803   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 804     if (strcmp(element_info[i].token_name, token) == 0)
 805       return i;
 806
 807   return -1;
 808 }
 809
 810 static void set_graphic_parameters(int graphic, char **parameter_raw)
 811 {
 812   Bitmap *src_bitmap = getBitmapFromImageID(graphic);
 813   int parameter[NUM_GFX_ARGS];
 814   int anim_frames_per_row = 1, anim_frames_per_col = 1;
 815   int anim_frames_per_line = 1;
 816   int i;
 817
 818   /* get integer values from string parameters */
 819   for (i = 0; i < NUM_GFX_ARGS; i++)
 820   {
 821     parameter[i] =
 822       get_parameter_value(image_config_suffix[i].token, parameter_raw[i],
 823                           image_config_suffix[i].type);
 824
 825     if (image_config_suffix[i].type == TYPE_TOKEN)
 826       parameter[i] = get_element_from_token(parameter_raw[i]);
 827   }
 828
 829   graphic_info[graphic].bitmap = src_bitmap;
 830
 831   /* start with reliable default values */
 832   graphic_info[graphic].src_x = 0;
 833   graphic_info[graphic].src_y = 0;
 834   graphic_info[graphic].width = TILEX;
 835   graphic_info[graphic].height = TILEY;
 836   graphic_info[graphic].offset_x = 0;   /* one or both of these values ... */
 837   graphic_info[graphic].offset_y = 0;   /* ... will be corrected later */
 838   graphic_info[graphic].crumbled_like = -1;     /* do not use clone element */
 839   graphic_info[graphic].diggable_like = -1;     /* do not use clone element */
 840   graphic_info[graphic].border_size = TILEX / 8;  /* "CRUMBLED" border size */
 841   graphic_info[graphic].anim_delay_fixed = 0;
 842   graphic_info[graphic].anim_delay_random = 0;
 843   graphic_info[graphic].post_delay_fixed = 0;
 844   graphic_info[graphic].post_delay_random = 0;
 845
 846   /* optional x and y tile position of animation frame sequence */
 847   if (parameter[GFX_ARG_XPOS] != ARG_UNDEFINED_VALUE)
 848     graphic_info[graphic].src_x = parameter[GFX_ARG_XPOS] * TILEX;
 849   if (parameter[GFX_ARG_YPOS] != ARG_UNDEFINED_VALUE)
 850     graphic_info[graphic].src_y = parameter[GFX_ARG_YPOS] * TILEY;
 851
 852   /* optional x and y pixel position of animation frame sequence */
 853   if (parameter[GFX_ARG_X] != ARG_UNDEFINED_VALUE)
 854     graphic_info[graphic].src_x = parameter[GFX_ARG_X];
 855   if (parameter[GFX_ARG_Y] != ARG_UNDEFINED_VALUE)
 856     graphic_info[graphic].src_y = parameter[GFX_ARG_Y];
 857
 858   /* optional width and height of each animation frame */
 859   if (parameter[GFX_ARG_WIDTH] != ARG_UNDEFINED_VALUE)
 860     graphic_info[graphic].width = parameter[GFX_ARG_WIDTH];
 861   if (parameter[GFX_ARG_HEIGHT] != ARG_UNDEFINED_VALUE)
 862     graphic_info[graphic].height = parameter[GFX_ARG_HEIGHT];
 863
 864   if (src_bitmap)
 865   {
 866     anim_frames_per_row = src_bitmap->width  / graphic_info[graphic].width;
 867     anim_frames_per_col = src_bitmap->height / graphic_info[graphic].height;
 868   }
 869
 870   /* correct x or y offset dependent of vertical or horizontal frame order */
 871   if (parameter[GFX_ARG_VERTICAL])      /* frames are ordered vertically */
 872   {
 873     graphic_info[graphic].offset_y =
 874       (parameter[GFX_ARG_OFFSET] != ARG_UNDEFINED_VALUE ?
 875        parameter[GFX_ARG_OFFSET] : graphic_info[graphic].height);
 876     anim_frames_per_line = anim_frames_per_col;
 877   }
 878   else                                  /* frames are ordered horizontally */
 879   {
 880     graphic_info[graphic].offset_x =
 881       (parameter[GFX_ARG_OFFSET] != ARG_UNDEFINED_VALUE ?
 882        parameter[GFX_ARG_OFFSET] : graphic_info[graphic].width);
 883     anim_frames_per_line = anim_frames_per_row;
 884   }
 885
 886   /* optionally, the x and y offset of frames can be specified directly */
 887   if (parameter[GFX_ARG_XOFFSET] != ARG_UNDEFINED_VALUE)
 888     graphic_info[graphic].offset_x = parameter[GFX_ARG_XOFFSET];
 889   if (parameter[GFX_ARG_YOFFSET] != ARG_UNDEFINED_VALUE)
 890     graphic_info[graphic].offset_y = parameter[GFX_ARG_YOFFSET];
 891
 892   /* automatically determine correct number of frames, if not defined */
 893   if (parameter[GFX_ARG_FRAMES] != ARG_UNDEFINED_VALUE)
 894     graphic_info[graphic].anim_frames = parameter[GFX_ARG_FRAMES];
 895   else if (parameter[GFX_ARG_XPOS] == 0 && !parameter[GFX_ARG_VERTICAL])
 896     graphic_info[graphic].anim_frames = anim_frames_per_row;
 897   else if (parameter[GFX_ARG_YPOS] == 0 && parameter[GFX_ARG_VERTICAL])
 898     graphic_info[graphic].anim_frames = anim_frames_per_col;
 899   else
 900     graphic_info[graphic].anim_frames = 1;
 901
 902   graphic_info[graphic].anim_frames_per_line =
 903     (parameter[GFX_ARG_FRAMES_PER_LINE] != ARG_UNDEFINED_VALUE ?
 904      parameter[GFX_ARG_FRAMES_PER_LINE] : anim_frames_per_line);
 905
 906   graphic_info[graphic].anim_delay = parameter[GFX_ARG_DELAY];
 907   if (graphic_info[graphic].anim_delay == 0)    /* delay must be at least 1 */
 908     graphic_info[graphic].anim_delay = 1;
 909
 910   graphic_info[graphic].anim_mode = parameter[GFX_ARG_ANIM_MODE];
 911 #if 0
 912   if (graphic_info[graphic].anim_frames == 1)
 913     graphic_info[graphic].anim_mode = ANIM_NONE;
 914 #endif
 915
 916   /* automatically determine correct start frame, if not defined */
 917   if (parameter[GFX_ARG_START_FRAME] == ARG_UNDEFINED_VALUE)
 918     graphic_info[graphic].anim_start_frame = 0;
 919   else if (graphic_info[graphic].anim_mode & ANIM_REVERSE)
 920     graphic_info[graphic].anim_start_frame =
 921       graphic_info[graphic].anim_frames - parameter[GFX_ARG_START_FRAME] - 1;
 922   else
 923     graphic_info[graphic].anim_start_frame = parameter[GFX_ARG_START_FRAME];
 924
 925   /* animation synchronized with global frame counter, not move position */
 926   graphic_info[graphic].anim_global_sync = parameter[GFX_ARG_GLOBAL_SYNC];
 927
 928   /* optional element for cloning crumble graphics */
 929   if (parameter[GFX_ARG_CRUMBLED_LIKE] != ARG_UNDEFINED_VALUE)
 930     graphic_info[graphic].crumbled_like = parameter[GFX_ARG_CRUMBLED_LIKE];
 931
 932   /* optional element for cloning digging graphics */
 933   if (parameter[GFX_ARG_DIGGABLE_LIKE] != ARG_UNDEFINED_VALUE)
 934     graphic_info[graphic].diggable_like = parameter[GFX_ARG_DIGGABLE_LIKE];
 935
 936   /* optional border size for "crumbling" diggable graphics */
 937   if (parameter[GFX_ARG_BORDER_SIZE] != ARG_UNDEFINED_VALUE)
 938     graphic_info[graphic].border_size = parameter[GFX_ARG_BORDER_SIZE];
 939
 940   /* this is only used for player "boring" and "sleeping" actions */
 941   if (parameter[GFX_ARG_ANIM_DELAY_FIXED] != ARG_UNDEFINED_VALUE)
 942     graphic_info[graphic].anim_delay_fixed =
 943       parameter[GFX_ARG_ANIM_DELAY_FIXED];
 944   if (parameter[GFX_ARG_ANIM_DELAY_RANDOM] != ARG_UNDEFINED_VALUE)
 945     graphic_info[graphic].anim_delay_random =
 946       parameter[GFX_ARG_ANIM_DELAY_RANDOM];
 947   if (parameter[GFX_ARG_POST_DELAY_FIXED] != ARG_UNDEFINED_VALUE)
 948     graphic_info[graphic].post_delay_fixed =
 949       parameter[GFX_ARG_POST_DELAY_FIXED];
 950   if (parameter[GFX_ARG_POST_DELAY_RANDOM] != ARG_UNDEFINED_VALUE)
 951     graphic_info[graphic].post_delay_random =
 952       parameter[GFX_ARG_POST_DELAY_RANDOM];
 953
 954   /* this is only used for toon animations */
 955   graphic_info[graphic].step_offset = parameter[GFX_ARG_STEP_OFFSET];
 956   graphic_info[graphic].step_delay  = parameter[GFX_ARG_STEP_DELAY];
 957
 958   /* this is only used for drawing font characters */
 959   graphic_info[graphic].draw_x = parameter[GFX_ARG_DRAW_XOFFSET];
 960   graphic_info[graphic].draw_y = parameter[GFX_ARG_DRAW_YOFFSET];
 961
 962   /* this is only used for drawing envelope graphics */
 963   graphic_info[graphic].draw_masked = parameter[GFX_ARG_DRAW_MASKED];
 964 }
 965
 966 static void InitGraphicInfo()
 967 {
 968   int fallback_graphic = IMG_CHAR_EXCLAM;
 969   struct FileInfo *fallback_image = getImageListEntry(fallback_graphic);
 970   Bitmap *fallback_bitmap = getBitmapFromImageID(fallback_graphic);
 971   int num_images = getImageListSize();
 972   int i;
 973
 974 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
 975   static boolean clipmasks_initialized = FALSE;
 976   Pixmap src_pixmap;
 977   XGCValues clip_gc_values;
 978   unsigned long clip_gc_valuemask;
 979   GC copy_clipmask_gc = None;
 980 #endif
 981
 982   checked_free(graphic_info);
 983
 984   graphic_info = checked_calloc(num_images * sizeof(struct GraphicInfo));
 985
 986 #if 0
 987   printf("::: graphic_info: %d entries\n", num_images);
 988 #endif
 989
 990 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
 991   if (clipmasks_initialized)
 992   {
 993     for (i = 0; i < num_images; i++)
 994     {
 995       if (graphic_info[i].clip_mask)
 996         XFreePixmap(display, graphic_info[i].clip_mask);
 997       if (graphic_info[i].clip_gc)
 998         XFreeGC(display, graphic_info[i].clip_gc);
 999
1000       graphic_info[i].clip_mask = None;
1001       graphic_info[i].clip_gc = None;
1002     }
1003   }
1004 #endif
1005
1006   for (i = 0; i < num_images; i++)
1007   {
1008     struct FileInfo *image = getImageListEntry(i);
1009     Bitmap *src_bitmap;
1010     int src_x, src_y;
1011     int first_frame, last_frame;
1012
1013 #if 0
1014     printf("::: image: '%s' [%d]\n", image->token, i);
1015 #endif
1016
1017 #if 0
1018     printf("::: image # %d: '%s' ['%s']\n",
1019            i, image->token,
1020            getTokenFromImageID(i));
1021 #endif
1022
1023     set_graphic_parameters(i, image->parameter);
1024
1025     /* now check if no animation frames are outside of the loaded image */
1026
1027     if (graphic_info[i].bitmap == NULL)
1028       continue;         /* skip check for optional images that are undefined */
1029
1030     first_frame = 0;
1031     getGraphicSource(i, first_frame, &src_bitmap, &src_x, &src_y);
1032     if (src_x < 0 || src_y < 0 ||
1033         src_x + TILEX > src_bitmap->width ||
1034         src_y + TILEY > src_bitmap->height)
1035     {
1036       Error(ERR_RETURN_LINE, "-");
1037       Error(ERR_RETURN, "warning: error found in config file:");
1038       Error(ERR_RETURN, "- config file: '%s'",
1039             getImageConfigFilename());
1040       Error(ERR_RETURN, "- config token: '%s'",
1041             getTokenFromImageID(i));
1042       Error(ERR_RETURN, "- image file: '%s'",
1043             src_bitmap->source_filename);
1044       Error(ERR_RETURN,
1045             "error: first animation frame out of bounds (%d, %d)",
1046             src_x, src_y);
1047       Error(ERR_RETURN, "custom graphic rejected for this element/action");
1048
1049       if (i == fallback_graphic)
1050         Error(ERR_EXIT, "fatal error: no fallback graphic available");
1051
1052       Error(ERR_RETURN, "fallback done to 'char_exclam' for this graphic");
1053       Error(ERR_RETURN_LINE, "-");
1054
1055       set_graphic_parameters(i, fallback_image->default_parameter);
1056       graphic_info[i].bitmap = fallback_bitmap;
1057     }
1058
1059     last_frame = graphic_info[i].anim_frames - 1;
1060     getGraphicSource(i, last_frame, &src_bitmap, &src_x, &src_y);
1061     if (src_x < 0 || src_y < 0 ||
1062         src_x + TILEX > src_bitmap->width ||
1063         src_y + TILEY > src_bitmap->height)
1064     {
1065       Error(ERR_RETURN_LINE, "-");
1066       Error(ERR_RETURN, "warning: error found in config file:");
1067       Error(ERR_RETURN, "- config file: '%s'",
1068             getImageConfigFilename());
1069       Error(ERR_RETURN, "- config token: '%s'",
1070             getTokenFromImageID(i));
1071       Error(ERR_RETURN, "- image file: '%s'",
1072             src_bitmap->source_filename);
1073       Error(ERR_RETURN,
1074             "error: last animation frame (%d) out of bounds (%d, %d)",
1075             last_frame, src_x, src_y);
1076       Error(ERR_RETURN, "custom graphic rejected for this element/action");
1077
1078       if (i == fallback_graphic)
1079         Error(ERR_EXIT, "fatal error: no fallback graphic available");
1080
1081       Error(ERR_RETURN, "fallback done to 'char_exclam' for this graphic");
1082       Error(ERR_RETURN_LINE, "-");
1083
1084       set_graphic_parameters(i, fallback_image->default_parameter);
1085       graphic_info[i].bitmap = fallback_bitmap;
1086     }
1087
1088 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
1089     /* currently we need only a tile clip mask from the first frame */
1090     getGraphicSource(i, first_frame, &src_bitmap, &src_x, &src_y);
1091
1092     if (copy_clipmask_gc == None)
1093     {
1094       clip_gc_values.graphics_exposures = False;
1095       clip_gc_valuemask = GCGraphicsExposures;
1096       copy_clipmask_gc = XCreateGC(display, src_bitmap->clip_mask,
1097                                    clip_gc_valuemask, &clip_gc_values);
1098     }
1099
1100     graphic_info[i].clip_mask =
1101       XCreatePixmap(display, window->drawable, TILEX, TILEY, 1);
1102
1103     src_pixmap = src_bitmap->clip_mask;
1104     XCopyArea(display, src_pixmap, graphic_info[i].clip_mask,
1105               copy_clipmask_gc, src_x, src_y, TILEX, TILEY, 0, 0);
1106
1107     clip_gc_values.graphics_exposures = False;
1108     clip_gc_values.clip_mask = graphic_info[i].clip_mask;
1109     clip_gc_valuemask = GCGraphicsExposures | GCClipMask;
1110
1111     graphic_info[i].clip_gc =
1112       XCreateGC(display, window->drawable, clip_gc_valuemask, &clip_gc_values);
1113 #endif
1114   }
1115
1116 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
1117   if (copy_clipmask_gc)
1118     XFreeGC(display, copy_clipmask_gc);
1119
1120   clipmasks_initialized = TRUE;
1121 #endif
1122 }
1123
1124 static void InitElementSoundInfo()
1125 {
1126   struct PropertyMapping *property_mapping = getSoundListPropertyMapping();
1127   int num_property_mappings = getSoundListPropertyMappingSize();
1128   int i, j, act;
1129
1130   /* set values to -1 to identify later as "uninitialized" values */
1131   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
1132     for (act = 0; act < NUM_ACTIONS; act++)
1133       element_info[i].sound[act] = -1;
1134
1135   /* initialize element/sound mapping from static configuration */
1136   for (i = 0; element_to_sound[i].element > -1; i++)
1137   {
1138     int element      = element_to_sound[i].element;
1139     int action       = element_to_sound[i].action;
1140     int sound        = element_to_sound[i].sound;
1141     boolean is_class = element_to_sound[i].is_class;
1142
1143     if (action < 0)
1144       action = ACTION_DEFAULT;
1145
1146     if (!is_class)
1147       element_info[element].sound[action] = sound;
1148     else
1149       for (j = 0; j < MAX_NUM_ELEMENTS; j++)
1150         if (strcmp(element_info[j].class_name,
1151                    element_info[element].class_name) == 0)
1152           element_info[j].sound[action] = sound;
1153   }
1154
1155   /* initialize element class/sound mapping from dynamic configuration */
1156   for (i = 0; i < num_property_mappings; i++)
1157   {
1158     int element_class = property_mapping[i].base_index - MAX_NUM_ELEMENTS;
1159     int action        = property_mapping[i].ext1_index;
1160     int sound         = property_mapping[i].artwork_index;
1161
1162     if (element_class < 0 || element_class >= MAX_NUM_ELEMENTS)
1163       continue;
1164
1165     if (action < 0)
1166       action = ACTION_DEFAULT;
1167
1168     for (j = 0; j < MAX_NUM_ELEMENTS; j++)
1169       if (strcmp(element_info[j].class_name,
1170                  element_info[element_class].class_name) == 0)
1171         element_info[j].sound[action] = sound;
1172   }
1173
1174   /* initialize element/sound mapping from dynamic configuration */
1175   for (i = 0; i < num_property_mappings; i++)
1176   {
1177     int element = property_mapping[i].base_index;
1178     int action  = property_mapping[i].ext1_index;
1179     int sound   = property_mapping[i].artwork_index;
1180
1181     if (element >= MAX_NUM_ELEMENTS)
1182       continue;
1183
1184     if (action < 0)
1185       action = ACTION_DEFAULT;
1186
1187     element_info[element].sound[action] = sound;
1188   }
1189
1190   /* now set all '-1' values to element specific default values */
1191   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
1192   {
1193     for (act = 0; act < NUM_ACTIONS; act++)
1194     {
1195       /* generic default action sound (defined by "[default]" directive) */
1196       int default_action_sound = element_info[EL_DEFAULT].sound[act];
1197
1198       /* look for special default action sound (classic game specific) */
1199       if (IS_BD_ELEMENT(i) && element_info[EL_BD_DEFAULT].sound[act] != -1)
1200         default_action_sound = element_info[EL_BD_DEFAULT].sound[act];
1201       if (IS_SP_ELEMENT(i) && element_info[EL_SP_DEFAULT].sound[act] != -1)
1202         default_action_sound = element_info[EL_SP_DEFAULT].sound[act];
1203       if (IS_SB_ELEMENT(i) && element_info[EL_SB_DEFAULT].sound[act] != -1)
1204         default_action_sound = element_info[EL_SB_DEFAULT].sound[act];
1205
1206       /* !!! there's no such thing as a "default action sound" !!! */
1207 #if 0
1208       /* look for element specific default sound (independent from action) */
1209       if (element_info[i].sound[ACTION_DEFAULT] != -1)
1210         default_action_sound = element_info[i].sound[ACTION_DEFAULT];
1211 #endif
1212
1213       /* no sound for this specific action -- use default action sound */
1214       if (element_info[i].sound[act] == -1)
1215         element_info[i].sound[act] = default_action_sound;
1216     }
1217   }
1218 }
1219
1220 static void InitGameModeSoundInfo()
1221 {
1222   int i;
1223
1224   /* set values to -1 to identify later as "uninitialized" values */
1225   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
1226     menu.sound[i] = -1;
1227
1228   /* initialize gamemode/sound mapping from static configuration */
1229   for (i = 0; gamemode_to_sound[i].sound > -1; i++)
1230   {
1231     int gamemode = gamemode_to_sound[i].gamemode;
1232     int sound    = gamemode_to_sound[i].sound;
1233
1234     if (gamemode < 0)
1235       gamemode = GAME_MODE_DEFAULT;
1236
1237     menu.sound[gamemode] = sound;
1238   }
1239
1240   /* now set all '-1' values to levelset specific default values */
1241   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
1242     if (menu.sound[i] == -1)
1243       menu.sound[i] = menu.sound[GAME_MODE_DEFAULT];
1244
1245 #if 0
1246   /* TEST ONLY */
1247   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
1248     if (menu.sound[i] != -1)
1249       printf("::: menu.sound[%d] == %d\n", i, menu.sound[i]);
1250 #endif
1251 }
1252
1253 static void set_sound_parameters(int sound, char **parameter_raw)
1254 {
1255   int parameter[NUM_SND_ARGS];
1256   int i;
1257
1258   /* get integer values from string parameters */
1259   for (i = 0; i < NUM_SND_ARGS; i++)
1260     parameter[i] =
1261       get_parameter_value(sound_config_suffix[i].token, parameter_raw[i],
1262                           sound_config_suffix[i].type);
1263
1264   /* explicit loop mode setting in configuration overrides default value */
1265   if (parameter[SND_ARG_MODE_LOOP] != ARG_UNDEFINED_VALUE)
1266     sound_info[sound].loop = parameter[SND_ARG_MODE_LOOP];
1267 }
1268
1269 static void InitSoundInfo()
1270 {
1271 #if 0
1272   struct PropertyMapping *property_mapping = getSoundListPropertyMapping();
1273   int num_property_mappings = getSoundListPropertyMappingSize();
1274 #endif
1275   int *sound_effect_properties;
1276   int num_sounds = getSoundListSize();
1277   int i, j;
1278
1279   checked_free(sound_info);
1280
1281   sound_effect_properties = checked_calloc(num_sounds * sizeof(int));
1282   sound_info = checked_calloc(num_sounds * sizeof(struct SoundInfo));
1283
1284   /* initialize sound effect for all elements to "no sound" */
1285   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
1286     for (j = 0; j < NUM_ACTIONS; j++)
1287       element_info[i].sound[j] = SND_UNDEFINED;
1288
1289   for (i = 0; i < num_sounds; i++)
1290   {
1291     struct FileInfo *sound = getSoundListEntry(i);
1292     int len_effect_text = strlen(sound->token);
1293
1294     sound_effect_properties[i] = ACTION_OTHER;
1295     sound_info[i].loop = FALSE;         /* default: play sound only once */
1296
1297 #if 0
1298     printf("::: sound %d: '%s'\n", i, sound->token);
1299 #endif
1300
1301     /* determine all loop sounds and identify certain sound classes */
1302
1303     for (j = 0; element_action_info[j].suffix; j++)
1304     {
1305       int len_action_text = strlen(element_action_info[j].suffix);
1306
1307       if (len_action_text < len_effect_text &&
1308           strcmp(&sound->token[len_effect_text - len_action_text],
1309                  element_action_info[j].suffix) == 0)
1310       {
1311         sound_effect_properties[i] = element_action_info[j].value;
1312         sound_info[i].loop = element_action_info[j].is_loop_sound;
1313
1314         break;
1315       }
1316     }
1317
1318 #if 0
1319     if (strcmp(sound->token, "custom_42") == 0)
1320       printf("::: '%s' -> %d\n", sound->token, sound_info[i].loop);
1321 #endif
1322
1323     /* associate elements and some selected sound actions */
1324
1325     for (j = 0; j < MAX_NUM_ELEMENTS; j++)
1326     {
1327       if (element_info[j].class_name)
1328       {
1329         int len_class_text = strlen(element_info[j].class_name);
1330
1331         if (len_class_text + 1 < len_effect_text &&
1332             strncmp(sound->token,
1333                     element_info[j].class_name, len_class_text) == 0 &&
1334             sound->token[len_class_text] == '.')
1335         {
1336           int sound_action_value = sound_effect_properties[i];
1337
1338           element_info[j].sound[sound_action_value] = i;
1339         }
1340       }
1341     }
1342
1343     set_sound_parameters(i, sound->parameter);
1344   }
1345
1346   free(sound_effect_properties);
1347
1348 #if 0
1349   /* !!! now handled in InitElementSoundInfo() !!! */
1350   /* initialize element/sound mapping from dynamic configuration */
1351   for (i = 0; i < num_property_mappings; i++)
1352   {
1353     int element   = property_mapping[i].base_index;
1354     int action    = property_mapping[i].ext1_index;
1355     int sound     = property_mapping[i].artwork_index;
1356
1357     if (action < 0)
1358       action = ACTION_DEFAULT;
1359
1360     printf("::: %d: %d, %d, %d ['%s']\n",
1361            i, element, action, sound, element_info[element].token_name);
1362
1363     element_info[element].sound[action] = sound;
1364   }
1365 #endif
1366
1367 #if 0
1368   /* TEST ONLY */
1369   {
1370     int element = EL_CUSTOM_11;
1371     int j = 0;
1372
1373     while (element_action_info[j].suffix)
1374     {
1375       printf("element %d, sound action '%s'  == %d\n",
1376              element, element_action_info[j].suffix,
1377              element_info[element].sound[j]);
1378       j++;
1379     }
1380   }
1381
1382   PlaySoundLevelElementAction(0,0, EL_CUSTOM_11, ACTION_PUSHING);
1383 #endif
1384
1385 #if 0
1386   /* TEST ONLY */
1387   {
1388     int element = EL_SAND;
1389     int sound_action = ACTION_DIGGING;
1390     int j = 0;
1391
1392     while (element_action_info[j].suffix)
1393     {
1394       if (element_action_info[j].value == sound_action)
1395         printf("element %d, sound action '%s'  == %d\n",
1396                element, element_action_info[j].suffix,
1397                element_info[element].sound[sound_action]);
1398       j++;
1399     }
1400   }
1401 #endif
1402 }
1403
1404 static void InitGameModeMusicInfo()
1405 {
1406   struct PropertyMapping *property_mapping = getMusicListPropertyMapping();
1407   int num_property_mappings = getMusicListPropertyMappingSize();
1408   int default_levelset_music = -1;
1409   int i;
1410
1411   /* set values to -1 to identify later as "uninitialized" values */
1412   for (i = 0; i < MAX_LEVELS; i++)
1413     levelset.music[i] = -1;
1414   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
1415     menu.music[i] = -1;
1416
1417   /* initialize gamemode/music mapping from static configuration */
1418   for (i = 0; gamemode_to_music[i].music > -1; i++)
1419   {
1420     int gamemode = gamemode_to_music[i].gamemode;
1421     int music    = gamemode_to_music[i].music;
1422
1423 #if 0
1424     printf("::: gamemode == %d, music == %d\n", gamemode, music);
1425 #endif
1426
1427     if (gamemode < 0)
1428       gamemode = GAME_MODE_DEFAULT;
1429
1430     menu.music[gamemode] = music;
1431   }
1432
1433   /* initialize gamemode/music mapping from dynamic configuration */
1434   for (i = 0; i < num_property_mappings; i++)
1435   {
1436     int prefix   = property_mapping[i].base_index;
1437     int gamemode = property_mapping[i].ext1_index;
1438     int level    = property_mapping[i].ext2_index;
1439     int music    = property_mapping[i].artwork_index;
1440
1441 #if 0
1442     printf("::: prefix == %d, gamemode == %d, level == %d, music == %d\n",
1443            prefix, gamemode, level, music);
1444 #endif
1445
1446     if (prefix < 0 || prefix >= NUM_MUSIC_PREFIXES)
1447       continue;
1448
1449     if (gamemode < 0)
1450       gamemode = GAME_MODE_DEFAULT;
1451
1452     /* level specific music only allowed for in-game music */
1453     if (level != -1 && gamemode == GAME_MODE_DEFAULT)
1454       gamemode = GAME_MODE_PLAYING;
1455
1456     if (level == -1)
1457     {
1458       level = 0;
1459       default_levelset_music = music;
1460     }
1461
1462     if (gamemode == GAME_MODE_PLAYING || gamemode == GAME_MODE_DEFAULT)
1463       levelset.music[level] = music;
1464     if (gamemode != GAME_MODE_PLAYING)
1465       menu.music[gamemode] = music;
1466   }
1467
1468   /* now set all '-1' values to menu specific default values */
1469   /* (undefined values of "levelset.music[]" might stay at "-1" to
1470      allow dynamic selection of music files from music directory!) */
1471   for (i = 0; i < MAX_LEVELS; i++)
1472     if (levelset.music[i] == -1)
1473       levelset.music[i] = default_levelset_music;
1474   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
1475     if (menu.music[i] == -1)
1476       menu.music[i] = menu.music[GAME_MODE_DEFAULT];
1477
1478 #if 0
1479   /* TEST ONLY */
1480   for (i = 0; i < MAX_LEVELS; i++)
1481     if (levelset.music[i] != -1)
1482       printf("::: levelset.music[%d] == %d\n", i, levelset.music[i]);
1483   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
1484     if (menu.music[i] != -1)
1485       printf("::: menu.music[%d] == %d\n", i, menu.music[i]);
1486 #endif
1487 }
1488
1489 static void set_music_parameters(int music, char **parameter_raw)
1490 {
1491   int parameter[NUM_MUS_ARGS];
1492   int i;
1493
1494   /* get integer values from string parameters */
1495   for (i = 0; i < NUM_MUS_ARGS; i++)
1496     parameter[i] =
1497       get_parameter_value(music_config_suffix[i].token, parameter_raw[i],
1498                           music_config_suffix[i].type);
1499
1500   /* explicit loop mode setting in configuration overrides default value */
1501   if (parameter[MUS_ARG_MODE_LOOP] != ARG_UNDEFINED_VALUE)
1502     music_info[music].loop = parameter[MUS_ARG_MODE_LOOP];
1503 }
1504
1505 static void InitMusicInfo()
1506 {
1507   int num_music = getMusicListSize();
1508   int i, j;
1509
1510   checked_free(music_info);
1511
1512   music_info = checked_calloc(num_music * sizeof(struct MusicInfo));
1513
1514   for (i = 0; i < num_music; i++)
1515   {
1516     struct FileInfo *music = getMusicListEntry(i);
1517     int len_music_text = strlen(music->token);
1518
1519     music_info[i].loop = TRUE;          /* default: play music in loop mode */
1520
1521     /* determine all loop music */
1522
1523     for (j = 0; music_prefix_info[j].prefix; j++)
1524     {
1525       int len_prefix_text = strlen(music_prefix_info[j].prefix);
1526
1527       if (len_prefix_text < len_music_text &&
1528           strncmp(music->token,
1529                   music_prefix_info[j].prefix, len_prefix_text) == 0)
1530       {
1531         music_info[i].loop = music_prefix_info[j].is_loop_music;
1532
1533         break;
1534       }
1535     }
1536
1537     set_music_parameters(i, music->parameter);
1538   }
1539 }
1540
1541 static void ReinitializeGraphics()
1542 {
1543   InitGraphicInfo();                    /* graphic properties mapping */
1544   InitElementGraphicInfo();             /* element game graphic mapping */
1545   InitElementSpecialGraphicInfo();      /* element special graphic mapping */
1546
1547   InitElementSmallImages();             /* create editor and preview images */
1548   InitFontGraphicInfo();                /* initialize text drawing functions */
1549
1550   SetMainBackgroundImage(IMG_BACKGROUND);
1551   SetDoorBackgroundImage(IMG_BACKGROUND_DOOR);
1552
1553   InitGadgets();
1554   InitToons();
1555 }
1556
1557 static void ReinitializeSounds()
1558 {
1559   InitSoundInfo();              /* sound properties mapping */
1560   InitElementSoundInfo();       /* element game sound mapping */
1561   InitGameModeSoundInfo();      /* game mode sound mapping */
1562
1563   InitPlayLevelSound();         /* internal game sound settings */
1564 }
1565
1566 static void ReinitializeMusic()
1567 {
1568   InitMusicInfo();              /* music properties mapping */
1569   InitGameModeMusicInfo();      /* game mode music mapping */
1570 }
1571
1572 void InitElementPropertiesStatic()
1573 {
1574   static int ep_diggable[] =
1575   {
1576     EL_SAND,
1577     EL_SP_BASE,
1578     EL_SP_BUGGY_BASE,
1579     EL_SP_BUGGY_BASE_ACTIVATING,
1580     EL_TRAP,
1581     EL_INVISIBLE_SAND,
1582     EL_INVISIBLE_SAND_ACTIVE,
1583
1584     /* !!! currently not diggable, but handled by 'ep_dont_run_into' !!! */
1585 #if 0
1586     EL_LANDMINE,
1587     EL_TRAP_ACTIVE,
1588     EL_SP_BUGGY_BASE_ACTIVE,
1589 #endif
1590     -1
1591   };
1592
1593   static int ep_collectible_only[] =
1594   {
1595     EL_BD_DIAMOND,
1596     EL_EMERALD,
1597     EL_DIAMOND,
1598     EL_EMERALD_YELLOW,
1599     EL_EMERALD_RED,
1600     EL_EMERALD_PURPLE,
1601     EL_KEY_1,
1602     EL_KEY_2,
1603     EL_KEY_3,
1604     EL_KEY_4,
1605     EL_EM_KEY_1,
1606     EL_EM_KEY_2,
1607     EL_EM_KEY_3,
1608     EL_EM_KEY_4,
1609     EL_DYNAMITE,
1610     EL_DYNABOMB_INCREASE_NUMBER,
1611     EL_DYNABOMB_INCREASE_SIZE,
1612     EL_DYNABOMB_INCREASE_POWER,
1613     EL_SP_INFOTRON,
1614     EL_SP_DISK_RED,
1615     EL_PEARL,
1616     EL_CRYSTAL,
1617     EL_KEY_WHITE,
1618     EL_SHIELD_NORMAL,
1619     EL_SHIELD_DEADLY,
1620     EL_EXTRA_TIME,
1621     EL_ENVELOPE_1,
1622     EL_ENVELOPE_2,
1623     EL_ENVELOPE_3,
1624     EL_ENVELOPE_4,
1625     EL_SPEED_PILL,
1626     -1
1627   };
1628
1629   static int ep_dont_run_into[] =
1630   {
1631     /* same elements as in 'ep_dont_touch' */
1632     EL_BUG,
1633     EL_SPACESHIP,
1634     EL_BD_BUTTERFLY,
1635     EL_BD_FIREFLY,
1636
1637     /* same elements as in 'ep_dont_collide_with' */
1638     EL_YAMYAM,
1639     EL_DARK_YAMYAM,
1640     EL_ROBOT,
1641     EL_PACMAN,
1642     EL_SP_SNIKSNAK,
1643     EL_SP_ELECTRON,
1644
1645     /* new elements */
1646     EL_AMOEBA_DROP,
1647     EL_ACID,
1648
1649     /* !!! maybe this should better be handled by 'ep_diggable' !!! */
1650 #if 1
1651     EL_LANDMINE,
1652     EL_TRAP_ACTIVE,
1653     EL_SP_BUGGY_BASE_ACTIVE,
1654 #endif
1655     -1
1656   };
1657
1658   static int ep_dont_collide_with[] =
1659   {
1660     /* same elements as in 'ep_dont_touch' */
1661     EL_BUG,
1662     EL_SPACESHIP,
1663     EL_BD_BUTTERFLY,
1664     EL_BD_FIREFLY,
1665
1666     /* new elements */
1667     EL_YAMYAM,
1668     EL_DARK_YAMYAM,
1669     EL_ROBOT,
1670     EL_PACMAN,
1671     EL_SP_SNIKSNAK,
1672     EL_SP_ELECTRON,
1673     -1
1674   };
1675
1676   static int ep_dont_touch[] =
1677   {
1678     EL_BUG,
1679     EL_SPACESHIP,
1680     EL_BD_BUTTERFLY,
1681     EL_BD_FIREFLY,
1682     -1
1683   };
1684
1685   static int ep_indestructible[] =
1686   {
1687     EL_STEELWALL,
1688     EL_ACID,
1689     EL_ACID_POOL_TOPLEFT,
1690     EL_ACID_POOL_TOPRIGHT,
1691     EL_ACID_POOL_BOTTOMLEFT,
1692     EL_ACID_POOL_BOTTOM,
1693     EL_ACID_POOL_BOTTOMRIGHT,
1694     EL_SP_HARDWARE_GRAY,
1695     EL_SP_HARDWARE_GREEN,
1696     EL_SP_HARDWARE_BLUE,
1697     EL_SP_HARDWARE_RED,
1698     EL_SP_HARDWARE_YELLOW,
1699     EL_SP_HARDWARE_BASE_1,
1700     EL_SP_HARDWARE_BASE_2,
1701     EL_SP_HARDWARE_BASE_3,
1702     EL_SP_HARDWARE_BASE_4,
1703     EL_SP_HARDWARE_BASE_5,
1704     EL_SP_HARDWARE_BASE_6,
1705     EL_INVISIBLE_STEELWALL,
1706     EL_INVISIBLE_STEELWALL_ACTIVE,
1707     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
1708     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
1709     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
1710     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
1711     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
1712     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
1713     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
1714     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
1715     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
1716     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
1717     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
1718     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
1719     EL_LIGHT_SWITCH,
1720     EL_LIGHT_SWITCH_ACTIVE,
1721     EL_SIGN_EXCLAMATION,
1722     EL_SIGN_RADIOACTIVITY,
1723     EL_SIGN_STOP,
1724     EL_SIGN_WHEELCHAIR,
1725     EL_SIGN_PARKING,
1726     EL_SIGN_ONEWAY,
1727     EL_SIGN_HEART,
1728     EL_SIGN_TRIANGLE,
1729     EL_SIGN_ROUND,
1730     EL_SIGN_EXIT,
1731     EL_SIGN_YINYANG,
1732     EL_SIGN_OTHER,
1733     EL_STEELWALL_SLIPPERY,
1734     EL_EMC_STEELWALL_1,
1735     EL_EMC_STEELWALL_2,
1736     EL_EMC_STEELWALL_3,
1737     EL_EMC_STEELWALL_4,
1738     EL_CRYSTAL,
1739     EL_GATE_1,
1740     EL_GATE_2,
1741     EL_GATE_3,
1742     EL_GATE_4,
1743     EL_GATE_1_GRAY,
1744     EL_GATE_2_GRAY,
1745     EL_GATE_3_GRAY,
1746     EL_GATE_4_GRAY,
1747     EL_EM_GATE_1,
1748     EL_EM_GATE_2,
1749     EL_EM_GATE_3,
1750     EL_EM_GATE_4,
1751     EL_EM_GATE_1_GRAY,
1752     EL_EM_GATE_2_GRAY,
1753     EL_EM_GATE_3_GRAY,
1754     EL_EM_GATE_4_GRAY,
1755     EL_SWITCHGATE_OPEN,
1756     EL_SWITCHGATE_OPENING,
1757     EL_SWITCHGATE_CLOSED,
1758     EL_SWITCHGATE_CLOSING,
1759 #if 0
1760     EL_SWITCHGATE_SWITCH_UP,
1761     EL_SWITCHGATE_SWITCH_DOWN,
1762 #endif
1763     EL_TIMEGATE_OPEN,
1764     EL_TIMEGATE_OPENING,
1765     EL_TIMEGATE_CLOSED,
1766     EL_TIMEGATE_CLOSING,
1767 #if 0
1768     EL_TIMEGATE_SWITCH,
1769     EL_TIMEGATE_SWITCH_ACTIVE,
1770 #endif
1771     EL_TUBE_ANY,
1772     EL_TUBE_VERTICAL,
1773     EL_TUBE_HORIZONTAL,
1774     EL_TUBE_VERTICAL_LEFT,
1775     EL_TUBE_VERTICAL_RIGHT,
1776     EL_TUBE_HORIZONTAL_UP,
1777     EL_TUBE_HORIZONTAL_DOWN,
1778     EL_TUBE_LEFT_UP,
1779     EL_TUBE_LEFT_DOWN,
1780     EL_TUBE_RIGHT_UP,
1781     EL_TUBE_RIGHT_DOWN,
1782     -1
1783   };
1784
1785   static int ep_slippery[] =
1786   {
1787     EL_WALL_SLIPPERY,
1788     EL_BD_WALL,
1789     EL_ROCK,
1790     EL_BD_ROCK,
1791     EL_EMERALD,
1792     EL_BD_DIAMOND,
1793     EL_EMERALD_YELLOW,
1794     EL_EMERALD_RED,
1795     EL_EMERALD_PURPLE,
1796     EL_DIAMOND,
1797     EL_BOMB,
1798     EL_NUT,
1799     EL_ROBOT_WHEEL_ACTIVE,
1800     EL_ROBOT_WHEEL,
1801     EL_TIME_ORB_FULL,
1802     EL_TIME_ORB_EMPTY,
1803     EL_LAMP_ACTIVE,
1804     EL_LAMP,
1805     EL_ACID_POOL_TOPLEFT,
1806     EL_ACID_POOL_TOPRIGHT,
1807     EL_SATELLITE,
1808     EL_SP_ZONK,
1809     EL_SP_INFOTRON,
1810     EL_SP_CHIP_SINGLE,
1811     EL_SP_CHIP_LEFT,
1812     EL_SP_CHIP_RIGHT,
1813     EL_SP_CHIP_TOP,
1814     EL_SP_CHIP_BOTTOM,
1815     EL_SPEED_PILL,
1816     EL_STEELWALL_SLIPPERY,
1817     EL_PEARL,
1818     EL_CRYSTAL,
1819     -1
1820   };
1821
1822   static int ep_can_change[] =
1823   {
1824     -1
1825   };
1826
1827   static int ep_can_move[] =
1828   {
1829     EL_BUG,
1830     EL_SPACESHIP,
1831     EL_BD_BUTTERFLY,
1832     EL_BD_FIREFLY,
1833     EL_YAMYAM,
1834     EL_DARK_YAMYAM,
1835     EL_ROBOT,
1836     EL_PACMAN,
1837     EL_MOLE,
1838     EL_PENGUIN,
1839     EL_PIG,
1840     EL_DRAGON,
1841     EL_SATELLITE,
1842     EL_SP_SNIKSNAK,
1843     EL_SP_ELECTRON,
1844     EL_BALLOON,
1845     EL_SPRING,
1846     -1
1847   };
1848
1849   static int ep_can_fall[] =
1850   {
1851     EL_ROCK,
1852     EL_BD_ROCK,
1853     EL_EMERALD,
1854     EL_BD_DIAMOND,
1855     EL_EMERALD_YELLOW,
1856     EL_EMERALD_RED,
1857     EL_EMERALD_PURPLE,
1858     EL_DIAMOND,
1859     EL_BOMB,
1860     EL_NUT,
1861     EL_AMOEBA_DROP,
1862     EL_QUICKSAND_FULL,
1863     EL_MAGIC_WALL_FULL,
1864     EL_BD_MAGIC_WALL_FULL,
1865     EL_TIME_ORB_FULL,
1866     EL_TIME_ORB_EMPTY,
1867     EL_SP_ZONK,
1868     EL_SP_INFOTRON,
1869     EL_SP_DISK_ORANGE,
1870     EL_PEARL,
1871     EL_CRYSTAL,
1872     EL_SPRING,
1873     EL_DX_SUPABOMB,
1874     -1
1875   };
1876
1877   static int ep_can_smash_player[] =
1878   {
1879     EL_ROCK,
1880     EL_BD_ROCK,
1881     EL_EMERALD,
1882     EL_BD_DIAMOND,
1883     EL_EMERALD_YELLOW,
1884     EL_EMERALD_RED,
1885     EL_EMERALD_PURPLE,
1886     EL_DIAMOND,
1887     EL_BOMB,
1888     EL_NUT,
1889     EL_AMOEBA_DROP,
1890     EL_TIME_ORB_FULL,
1891     EL_TIME_ORB_EMPTY,
1892     EL_SP_ZONK,
1893     EL_SP_INFOTRON,
1894     EL_SP_DISK_ORANGE,
1895     EL_PEARL,
1896     EL_CRYSTAL,
1897     EL_SPRING,
1898     EL_DX_SUPABOMB,
1899     -1
1900   };
1901
1902   static int ep_can_smash_enemies[] =
1903   {
1904     EL_ROCK,
1905     EL_BD_ROCK,
1906     EL_SP_ZONK,
1907     -1
1908   };
1909
1910   static int ep_can_smash_everything[] =
1911   {
1912     EL_ROCK,
1913     EL_BD_ROCK,
1914     EL_SP_ZONK,
1915     -1
1916   };
1917
1918   static int ep_can_explode_by_fire[] =
1919   {
1920     /* same elements as in 'ep_can_explode_impact' */
1921     EL_BOMB,
1922     EL_SP_DISK_ORANGE,
1923     EL_DX_SUPABOMB,
1924
1925     /* same elements as in 'ep_can_explode_smashed' */
1926     EL_SATELLITE,
1927     EL_PIG,
1928     EL_DRAGON,
1929     EL_MOLE,
1930
1931     /* new elements */
1932     EL_DYNAMITE_ACTIVE,
1933     EL_DYNAMITE,
1934     EL_DYNABOMB_PLAYER_1_ACTIVE,
1935     EL_DYNABOMB_PLAYER_2_ACTIVE,
1936     EL_DYNABOMB_PLAYER_3_ACTIVE,
1937     EL_DYNABOMB_PLAYER_4_ACTIVE,
1938     EL_DYNABOMB_INCREASE_NUMBER,
1939     EL_DYNABOMB_INCREASE_SIZE,
1940     EL_DYNABOMB_INCREASE_POWER,
1941     EL_SP_DISK_RED_ACTIVE,
1942     EL_BUG,
1943     EL_PENGUIN,
1944     EL_SP_DISK_RED,
1945     EL_SP_DISK_YELLOW,
1946     EL_SP_SNIKSNAK,
1947     EL_SP_ELECTRON,
1948     -1
1949   };
1950
1951   static int ep_can_explode_smashed[] =
1952   {
1953     /* same elements as in 'ep_can_explode_impact' */
1954     EL_BOMB,
1955     EL_SP_DISK_ORANGE,
1956     EL_DX_SUPABOMB,
1957
1958     /* new elements */
1959     EL_SATELLITE,
1960     EL_PIG,
1961     EL_DRAGON,
1962     EL_MOLE,
1963     -1
1964   };
1965
1966   static int ep_can_explode_impact[] =
1967   {
1968     EL_BOMB,
1969     EL_SP_DISK_ORANGE,
1970     EL_DX_SUPABOMB,
1971     -1
1972   };
1973
1974   static int ep_walkable_over[] =
1975   {
1976     EL_EMPTY_SPACE,
1977     EL_SP_EMPTY_SPACE,
1978     EL_SOKOBAN_FIELD_EMPTY,
1979     EL_EXIT_OPEN,
1980     EL_SP_EXIT_OPEN,
1981     EL_SP_EXIT_OPENING,
1982     EL_GATE_1,
1983     EL_GATE_2,
1984     EL_GATE_3,
1985     EL_GATE_4,
1986     EL_GATE_1_GRAY,
1987     EL_GATE_2_GRAY,
1988     EL_GATE_3_GRAY,
1989     EL_GATE_4_GRAY,
1990     EL_PENGUIN,
1991     EL_PIG,
1992     EL_DRAGON,
1993     -1
1994   };
1995
1996   static int ep_walkable_inside[] =
1997   {
1998     EL_TUBE_ANY,
1999     EL_TUBE_VERTICAL,
2000     EL_TUBE_HORIZONTAL,
2001     EL_TUBE_VERTICAL_LEFT,
2002     EL_TUBE_VERTICAL_RIGHT,
2003     EL_TUBE_HORIZONTAL_UP,
2004     EL_TUBE_HORIZONTAL_DOWN,
2005     EL_TUBE_LEFT_UP,
2006     EL_TUBE_LEFT_DOWN,
2007     EL_TUBE_RIGHT_UP,
2008     EL_TUBE_RIGHT_DOWN,
2009     -1
2010   };
2011
2012   static int ep_walkable_under[] =
2013   {
2014     -1
2015   };
2016
2017   static int ep_passable_over[] =
2018   {
2019     EL_EM_GATE_1,
2020     EL_EM_GATE_2,
2021     EL_EM_GATE_3,
2022     EL_EM_GATE_4,
2023     EL_EM_GATE_1_GRAY,
2024     EL_EM_GATE_2_GRAY,
2025     EL_EM_GATE_3_GRAY,
2026     EL_EM_GATE_4_GRAY,
2027     EL_SWITCHGATE_OPEN,
2028     EL_TIMEGATE_OPEN,
2029     -1
2030   };
2031
2032   static int ep_passable_inside[] =
2033   {
2034     EL_SP_PORT_LEFT,
2035     EL_SP_PORT_RIGHT,
2036     EL_SP_PORT_UP,
2037     EL_SP_PORT_DOWN,
2038     EL_SP_PORT_HORIZONTAL,
2039     EL_SP_PORT_VERTICAL,
2040     EL_SP_PORT_ANY,
2041     EL_SP_GRAVITY_PORT_LEFT,
2042     EL_SP_GRAVITY_PORT_RIGHT,
2043     EL_SP_GRAVITY_PORT_UP,
2044     EL_SP_GRAVITY_PORT_DOWN,
2045     -1
2046   };
2047
2048   static int ep_passable_under[] =
2049   {
2050     -1
2051   };
2052
2053   static int ep_droppable[] =
2054   {
2055     -1
2056   };
2057
2058   static int ep_can_explode_1x1[] =
2059   {
2060     -1
2061   };
2062
2063   static int ep_pushable[] =
2064   {
2065     EL_ROCK,
2066     EL_BOMB,
2067     EL_DX_SUPABOMB,
2068     EL_NUT,
2069     EL_TIME_ORB_EMPTY,
2070     EL_SP_ZONK,
2071     EL_SP_DISK_ORANGE,
2072     EL_SPRING,
2073     EL_BD_ROCK,
2074     EL_SOKOBAN_OBJECT,
2075     EL_SOKOBAN_FIELD_FULL,
2076     EL_SATELLITE,
2077     EL_SP_DISK_YELLOW,
2078     EL_BALLOON,
2079     -1
2080   };
2081
2082   static int ep_can_explode_dyna[] =
2083   {
2084     -1
2085   };
2086
2087   static int ep_player[] =
2088   {
2089     EL_PLAYER_1,
2090     EL_PLAYER_2,
2091     EL_PLAYER_3,
2092     EL_PLAYER_4,
2093     EL_SP_MURPHY,
2094     -1
2095   };
2096
2097   static int ep_can_pass_magic_wall[] =
2098   {
2099     EL_ROCK,
2100     EL_BD_ROCK,
2101     EL_EMERALD,
2102     EL_BD_DIAMOND,
2103     EL_EMERALD_YELLOW,
2104     EL_EMERALD_RED,
2105     EL_EMERALD_PURPLE,
2106     EL_DIAMOND,
2107     -1
2108   };
2109
2110   static int ep_switchable[] =
2111   {
2112     EL_ROBOT_WHEEL,
2113     EL_SP_TERMINAL,
2114     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2115     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2116     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2117     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2118     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2119     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2120     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2121     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2122     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2123     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2124     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2125     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2126     EL_SWITCHGATE_SWITCH_UP,
2127     EL_SWITCHGATE_SWITCH_DOWN,
2128     EL_LIGHT_SWITCH,
2129     EL_LIGHT_SWITCH_ACTIVE,
2130     EL_TIMEGATE_SWITCH,
2131     EL_BALLOON_SWITCH_LEFT,
2132     EL_BALLOON_SWITCH_RIGHT,
2133     EL_BALLOON_SWITCH_UP,
2134     EL_BALLOON_SWITCH_DOWN,
2135     EL_BALLOON_SWITCH_ANY,
2136     EL_LAMP,
2137     EL_TIME_ORB_FULL,
2138     -1
2139   };
2140
2141   static int ep_bd_element[] =
2142   {
2143     EL_EMPTY,
2144     EL_SAND,
2145     EL_WALL_SLIPPERY,
2146     EL_BD_WALL,
2147     EL_ROCK,
2148     EL_BD_ROCK,
2149     EL_BD_DIAMOND,
2150     EL_BD_MAGIC_WALL,
2151     EL_EXIT_CLOSED,
2152     EL_EXIT_OPEN,
2153     EL_STEELWALL,
2154     EL_PLAYER_1,
2155     EL_BD_FIREFLY,
2156     EL_BD_FIREFLY_1,
2157     EL_BD_FIREFLY_2,
2158     EL_BD_FIREFLY_3,
2159     EL_BD_FIREFLY_4,
2160     EL_BD_BUTTERFLY,
2161     EL_BD_BUTTERFLY_1,
2162     EL_BD_BUTTERFLY_2,
2163     EL_BD_BUTTERFLY_3,
2164     EL_BD_BUTTERFLY_4,
2165     EL_BD_AMOEBA,
2166     EL_CHAR_QUESTION,
2167     EL_UNKNOWN,
2168     -1
2169   };
2170
2171   static int ep_sp_element[] =
2172   {
2173     /* should always be valid */
2174     EL_EMPTY,
2175
2176     EL_SP_EMPTY,
2177     EL_SP_ZONK,
2178     EL_SP_BASE,
2179     EL_SP_MURPHY,
2180     EL_SP_INFOTRON,
2181     EL_SP_CHIP_SINGLE,
2182     EL_SP_HARDWARE_GRAY,
2183     EL_SP_EXIT_CLOSED,
2184     EL_SP_EXIT_OPEN,
2185     EL_SP_DISK_ORANGE,
2186     EL_SP_PORT_RIGHT,
2187     EL_SP_PORT_DOWN,
2188     EL_SP_PORT_LEFT,
2189     EL_SP_PORT_UP,
2190     EL_SP_GRAVITY_PORT_RIGHT,
2191     EL_SP_GRAVITY_PORT_DOWN,
2192     EL_SP_GRAVITY_PORT_LEFT,
2193     EL_SP_GRAVITY_PORT_UP,
2194     EL_SP_SNIKSNAK,
2195     EL_SP_DISK_YELLOW,
2196     EL_SP_TERMINAL,
2197     EL_SP_DISK_RED,
2198     EL_SP_PORT_VERTICAL,
2199     EL_SP_PORT_HORIZONTAL,
2200     EL_SP_PORT_ANY,
2201     EL_SP_ELECTRON,
2202     EL_SP_BUGGY_BASE,
2203     EL_SP_CHIP_LEFT,
2204     EL_SP_CHIP_RIGHT,
2205     EL_SP_HARDWARE_BASE_1,
2206     EL_SP_HARDWARE_GREEN,
2207     EL_SP_HARDWARE_BLUE,
2208     EL_SP_HARDWARE_RED,
2209     EL_SP_HARDWARE_YELLOW,
2210     EL_SP_HARDWARE_BASE_2,
2211     EL_SP_HARDWARE_BASE_3,
2212     EL_SP_HARDWARE_BASE_4,
2213     EL_SP_HARDWARE_BASE_5,
2214     EL_SP_HARDWARE_BASE_6,
2215     EL_SP_CHIP_TOP,
2216     EL_SP_CHIP_BOTTOM,
2217     /* additional elements that appeared in newer Supaplex levels */
2218     EL_INVISIBLE_WALL,
2219     /* more than one murphy in a level results in an inactive clone */
2220     EL_SP_MURPHY_CLONE,
2221     /* runtime elements*/
2222     EL_SP_DISK_RED_ACTIVE,
2223     EL_SP_TERMINAL_ACTIVE,
2224     EL_SP_BUGGY_BASE_ACTIVATING,
2225     EL_SP_BUGGY_BASE_ACTIVE,
2226     EL_SP_EXIT_OPENING,
2227     EL_SP_EXIT_CLOSING,
2228     -1
2229   };
2230
2231   static int ep_sb_element[] =
2232   {
2233     EL_EMPTY,
2234     EL_STEELWALL,
2235     EL_SOKOBAN_OBJECT,
2236     EL_SOKOBAN_FIELD_EMPTY,
2237     EL_SOKOBAN_FIELD_FULL,
2238     EL_PLAYER_1,
2239     EL_INVISIBLE_STEELWALL,
2240     -1
2241   };
2242
2243   static int ep_gem[] =
2244   {
2245     EL_BD_DIAMOND,
2246     EL_EMERALD,
2247     EL_EMERALD_YELLOW,
2248     EL_EMERALD_RED,
2249     EL_EMERALD_PURPLE,
2250     EL_DIAMOND,
2251     -1
2252   };
2253
2254   static int ep_food_dark_yamyam[] =
2255   {
2256     EL_SAND,
2257     EL_BUG,
2258     EL_SPACESHIP,
2259     EL_BD_BUTTERFLY,
2260     EL_BD_FIREFLY,
2261     EL_YAMYAM,
2262     EL_ROBOT,
2263     EL_PACMAN,
2264     EL_AMOEBA_DROP,
2265     EL_AMOEBA_DEAD,
2266     EL_AMOEBA_WET,
2267     EL_AMOEBA_DRY,
2268     EL_AMOEBA_FULL,
2269     EL_BD_AMOEBA,
2270     EL_EMERALD,
2271     EL_BD_DIAMOND,
2272     EL_EMERALD_YELLOW,
2273     EL_EMERALD_RED,
2274     EL_EMERALD_PURPLE,
2275     EL_DIAMOND,
2276     EL_PEARL,
2277     EL_CRYSTAL,
2278     -1
2279   };
2280
2281   static int ep_food_penguin[] =
2282   {
2283     EL_EMERALD,
2284     EL_BD_DIAMOND,
2285     EL_EMERALD_YELLOW,
2286     EL_EMERALD_RED,
2287     EL_EMERALD_PURPLE,
2288     EL_DIAMOND,
2289     EL_PEARL,
2290     EL_CRYSTAL,
2291     -1
2292   };
2293
2294   static int ep_food_pig[] =
2295   {
2296     EL_EMERALD,
2297     EL_BD_DIAMOND,
2298     EL_EMERALD_YELLOW,
2299     EL_EMERALD_RED,
2300     EL_EMERALD_PURPLE,
2301     EL_DIAMOND,
2302     -1
2303   };
2304
2305   static int ep_historic_wall[] =
2306   {
2307     EL_STEELWALL,
2308     EL_GATE_1,
2309     EL_GATE_2,
2310     EL_GATE_3,
2311     EL_GATE_4,
2312     EL_GATE_1_GRAY,
2313     EL_GATE_2_GRAY,
2314     EL_GATE_3_GRAY,
2315     EL_GATE_4_GRAY,
2316     EL_EM_GATE_1,
2317     EL_EM_GATE_2,
2318     EL_EM_GATE_3,
2319     EL_EM_GATE_4,
2320     EL_EM_GATE_1_GRAY,
2321     EL_EM_GATE_2_GRAY,
2322     EL_EM_GATE_3_GRAY,
2323     EL_EM_GATE_4_GRAY,
2324     EL_EXIT_CLOSED,
2325     EL_EXIT_OPENING,
2326     EL_EXIT_OPEN,
2327     EL_WALL,
2328     EL_WALL_SLIPPERY,
2329     EL_EXPANDABLE_WALL,
2330     EL_EXPANDABLE_WALL_HORIZONTAL,
2331     EL_EXPANDABLE_WALL_VERTICAL,
2332     EL_EXPANDABLE_WALL_ANY,
2333     EL_EXPANDABLE_WALL_GROWING,
2334     EL_BD_WALL,
2335     EL_SP_CHIP_SINGLE,
2336     EL_SP_CHIP_LEFT,
2337     EL_SP_CHIP_RIGHT,
2338     EL_SP_CHIP_TOP,
2339     EL_SP_CHIP_BOTTOM,
2340     EL_SP_HARDWARE_GRAY,
2341     EL_SP_HARDWARE_GREEN,
2342     EL_SP_HARDWARE_BLUE,
2343     EL_SP_HARDWARE_RED,
2344     EL_SP_HARDWARE_YELLOW,
2345     EL_SP_HARDWARE_BASE_1,
2346     EL_SP_HARDWARE_BASE_2,
2347     EL_SP_HARDWARE_BASE_3,
2348     EL_SP_HARDWARE_BASE_4,
2349     EL_SP_HARDWARE_BASE_5,
2350     EL_SP_HARDWARE_BASE_6,
2351     EL_SP_TERMINAL,
2352     EL_SP_TERMINAL_ACTIVE,
2353     EL_SP_EXIT_CLOSED,
2354     EL_SP_EXIT_OPEN,
2355     EL_INVISIBLE_STEELWALL,
2356     EL_INVISIBLE_STEELWALL_ACTIVE,
2357     EL_INVISIBLE_WALL,
2358     EL_INVISIBLE_WALL_ACTIVE,
2359     EL_STEELWALL_SLIPPERY,
2360     EL_EMC_STEELWALL_1,
2361     EL_EMC_STEELWALL_2,
2362     EL_EMC_STEELWALL_3,
2363     EL_EMC_STEELWALL_4,
2364     EL_EMC_WALL_1,
2365     EL_EMC_WALL_2,
2366     EL_EMC_WALL_3,
2367     EL_EMC_WALL_4,
2368     EL_EMC_WALL_5,
2369     EL_EMC_WALL_6,
2370     EL_EMC_WALL_7,
2371     EL_EMC_WALL_8,
2372     -1
2373   };
2374
2375   static int ep_historic_solid[] =
2376   {
2377     EL_WALL,
2378     EL_EXPANDABLE_WALL,
2379     EL_EXPANDABLE_WALL_HORIZONTAL,
2380     EL_EXPANDABLE_WALL_VERTICAL,
2381     EL_EXPANDABLE_WALL_ANY,
2382     EL_BD_WALL,
2383     EL_WALL_SLIPPERY,
2384     EL_EXIT_CLOSED,
2385     EL_EXIT_OPENING,
2386     EL_EXIT_OPEN,
2387     EL_AMOEBA_DEAD,
2388     EL_AMOEBA_WET,
2389     EL_AMOEBA_DRY,
2390     EL_AMOEBA_FULL,
2391     EL_BD_AMOEBA,
2392     EL_QUICKSAND_EMPTY,
2393     EL_QUICKSAND_FULL,
2394     EL_QUICKSAND_FILLING,
2395     EL_QUICKSAND_EMPTYING,
2396     EL_MAGIC_WALL,
2397     EL_MAGIC_WALL_ACTIVE,
2398     EL_MAGIC_WALL_EMPTYING,
2399     EL_MAGIC_WALL_FILLING,
2400     EL_MAGIC_WALL_FULL,
2401     EL_MAGIC_WALL_DEAD,
2402     EL_BD_MAGIC_WALL,
2403     EL_BD_MAGIC_WALL_ACTIVE,
2404     EL_BD_MAGIC_WALL_EMPTYING,
2405     EL_BD_MAGIC_WALL_FULL,
2406     EL_BD_MAGIC_WALL_FILLING,
2407     EL_BD_MAGIC_WALL_DEAD,
2408     EL_GAME_OF_LIFE,
2409     EL_BIOMAZE,
2410     EL_SP_CHIP_SINGLE,
2411     EL_SP_CHIP_LEFT,
2412     EL_SP_CHIP_RIGHT,
2413     EL_SP_CHIP_TOP,
2414     EL_SP_CHIP_BOTTOM,
2415     EL_SP_TERMINAL,
2416     EL_SP_TERMINAL_ACTIVE,
2417     EL_SP_EXIT_CLOSED,
2418     EL_SP_EXIT_OPEN,
2419     EL_INVISIBLE_WALL,
2420     EL_INVISIBLE_WALL_ACTIVE,
2421     EL_SWITCHGATE_SWITCH_UP,
2422     EL_SWITCHGATE_SWITCH_DOWN,
2423     EL_TIMEGATE_SWITCH,
2424     EL_TIMEGATE_SWITCH_ACTIVE,
2425     EL_EMC_WALL_1,
2426     EL_EMC_WALL_2,
2427     EL_EMC_WALL_3,
2428     EL_EMC_WALL_4,
2429     EL_EMC_WALL_5,
2430     EL_EMC_WALL_6,
2431     EL_EMC_WALL_7,
2432     EL_EMC_WALL_8,
2433     EL_WALL_PEARL,
2434     EL_WALL_CRYSTAL,
2435
2436     /* the following elements are a direct copy of "indestructible" elements,
2437        except "EL_ACID", which is "indestructible", but not "solid"! */
2438 #if 0
2439     EL_ACID,
2440 #endif
2441     EL_STEELWALL,
2442     EL_ACID_POOL_TOPLEFT,
2443     EL_ACID_POOL_TOPRIGHT,
2444     EL_ACID_POOL_BOTTOMLEFT,
2445     EL_ACID_POOL_BOTTOM,
2446     EL_ACID_POOL_BOTTOMRIGHT,
2447     EL_SP_HARDWARE_GRAY,
2448     EL_SP_HARDWARE_GREEN,
2449     EL_SP_HARDWARE_BLUE,
2450     EL_SP_HARDWARE_RED,
2451     EL_SP_HARDWARE_YELLOW,
2452     EL_SP_HARDWARE_BASE_1,
2453     EL_SP_HARDWARE_BASE_2,
2454     EL_SP_HARDWARE_BASE_3,
2455     EL_SP_HARDWARE_BASE_4,
2456     EL_SP_HARDWARE_BASE_5,
2457     EL_SP_HARDWARE_BASE_6,
2458     EL_INVISIBLE_STEELWALL,
2459     EL_INVISIBLE_STEELWALL_ACTIVE,
2460     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2461     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2462     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2463     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2464     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2465     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2466     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2467     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2468     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2469     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2470     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2471     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2472     EL_LIGHT_SWITCH,
2473     EL_LIGHT_SWITCH_ACTIVE,
2474     EL_SIGN_EXCLAMATION,
2475     EL_SIGN_RADIOACTIVITY,
2476     EL_SIGN_STOP,
2477     EL_SIGN_WHEELCHAIR,
2478     EL_SIGN_PARKING,
2479     EL_SIGN_ONEWAY,
2480     EL_SIGN_HEART,
2481     EL_SIGN_TRIANGLE,
2482     EL_SIGN_ROUND,
2483     EL_SIGN_EXIT,
2484     EL_SIGN_YINYANG,
2485     EL_SIGN_OTHER,
2486     EL_STEELWALL_SLIPPERY,
2487     EL_EMC_STEELWALL_1,
2488     EL_EMC_STEELWALL_2,
2489     EL_EMC_STEELWALL_3,
2490     EL_EMC_STEELWALL_4,
2491     EL_CRYSTAL,
2492     EL_GATE_1,
2493     EL_GATE_2,
2494     EL_GATE_3,
2495     EL_GATE_4,
2496     EL_GATE_1_GRAY,
2497     EL_GATE_2_GRAY,
2498     EL_GATE_3_GRAY,
2499     EL_GATE_4_GRAY,
2500     EL_EM_GATE_1,
2501     EL_EM_GATE_2,
2502     EL_EM_GATE_3,
2503     EL_EM_GATE_4,
2504     EL_EM_GATE_1_GRAY,
2505     EL_EM_GATE_2_GRAY,
2506     EL_EM_GATE_3_GRAY,
2507     EL_EM_GATE_4_GRAY,
2508     EL_SWITCHGATE_OPEN,
2509     EL_SWITCHGATE_OPENING,
2510     EL_SWITCHGATE_CLOSED,
2511     EL_SWITCHGATE_CLOSING,
2512     EL_TIMEGATE_OPEN,
2513     EL_TIMEGATE_OPENING,
2514     EL_TIMEGATE_CLOSED,
2515     EL_TIMEGATE_CLOSING,
2516     EL_TUBE_ANY,
2517     EL_TUBE_VERTICAL,
2518     EL_TUBE_HORIZONTAL,
2519     EL_TUBE_VERTICAL_LEFT,
2520     EL_TUBE_VERTICAL_RIGHT,
2521     EL_TUBE_HORIZONTAL_UP,
2522     EL_TUBE_HORIZONTAL_DOWN,
2523     EL_TUBE_LEFT_UP,
2524     EL_TUBE_LEFT_DOWN,
2525     EL_TUBE_RIGHT_UP,
2526     EL_TUBE_RIGHT_DOWN,
2527     -1
2528   };
2529
2530   static int ep_classic_enemy[] =
2531   {
2532     EL_BUG,
2533     EL_SPACESHIP,
2534     EL_BD_BUTTERFLY,
2535     EL_BD_FIREFLY,
2536
2537     EL_YAMYAM,
2538     EL_DARK_YAMYAM,
2539     EL_ROBOT,
2540     EL_PACMAN,
2541     EL_SP_SNIKSNAK,
2542     EL_SP_ELECTRON,
2543     -1
2544   };
2545
2546   static int ep_belt[] =
2547   {
2548     EL_CONVEYOR_BELT_1_LEFT,
2549     EL_CONVEYOR_BELT_1_MIDDLE,
2550     EL_CONVEYOR_BELT_1_RIGHT,
2551     EL_CONVEYOR_BELT_2_LEFT,
2552     EL_CONVEYOR_BELT_2_MIDDLE,
2553     EL_CONVEYOR_BELT_2_RIGHT,
2554     EL_CONVEYOR_BELT_3_LEFT,
2555     EL_CONVEYOR_BELT_3_MIDDLE,
2556     EL_CONVEYOR_BELT_3_RIGHT,
2557     EL_CONVEYOR_BELT_4_LEFT,
2558     EL_CONVEYOR_BELT_4_MIDDLE,
2559     EL_CONVEYOR_BELT_4_RIGHT,
2560     -1
2561   };
2562
2563   static int ep_belt_active[] =
2564   {
2565     EL_CONVEYOR_BELT_1_LEFT_ACTIVE,
2566     EL_CONVEYOR_BELT_1_MIDDLE_ACTIVE,
2567     EL_CONVEYOR_BELT_1_RIGHT_ACTIVE,
2568     EL_CONVEYOR_BELT_2_LEFT_ACTIVE,
2569     EL_CONVEYOR_BELT_2_MIDDLE_ACTIVE,
2570     EL_CONVEYOR_BELT_2_RIGHT_ACTIVE,
2571     EL_CONVEYOR_BELT_3_LEFT_ACTIVE,
2572     EL_CONVEYOR_BELT_3_MIDDLE_ACTIVE,
2573     EL_CONVEYOR_BELT_3_RIGHT_ACTIVE,
2574     EL_CONVEYOR_BELT_4_LEFT_ACTIVE,
2575     EL_CONVEYOR_BELT_4_MIDDLE_ACTIVE,
2576     EL_CONVEYOR_BELT_4_RIGHT_ACTIVE,
2577     -1
2578   };
2579
2580   static int ep_belt_switch[] =
2581   {
2582     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2583     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2584     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2585     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2586     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2587     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2588     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2589     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2590     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2591     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2592     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2593     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2594     -1
2595   };
2596
2597   static int ep_tube[] =
2598   {
2599     EL_TUBE_LEFT_UP,
2600     EL_TUBE_LEFT_DOWN,
2601     EL_TUBE_RIGHT_UP,
2602     EL_TUBE_RIGHT_DOWN,
2603     EL_TUBE_HORIZONTAL,
2604     EL_TUBE_HORIZONTAL_UP,
2605     EL_TUBE_HORIZONTAL_DOWN,
2606     EL_TUBE_VERTICAL,
2607     EL_TUBE_VERTICAL_LEFT,
2608     EL_TUBE_VERTICAL_RIGHT,
2609     EL_TUBE_ANY,
2610     -1
2611   };
2612
2613   static int ep_keygate[] =
2614   {
2615     EL_GATE_1,
2616     EL_GATE_2,
2617     EL_GATE_3,
2618     EL_GATE_4,
2619     EL_GATE_1_GRAY,
2620     EL_GATE_2_GRAY,
2621     EL_GATE_3_GRAY,
2622     EL_GATE_4_GRAY,
2623     EL_EM_GATE_1,
2624     EL_EM_GATE_2,
2625     EL_EM_GATE_3,
2626     EL_EM_GATE_4,
2627     EL_EM_GATE_1_GRAY,
2628     EL_EM_GATE_2_GRAY,
2629     EL_EM_GATE_3_GRAY,
2630     EL_EM_GATE_4_GRAY,
2631     -1
2632   };
2633
2634   static int ep_amoeboid[] =
2635   {
2636     EL_AMOEBA_DEAD,
2637     EL_AMOEBA_WET,
2638     EL_AMOEBA_DRY,
2639     EL_AMOEBA_FULL,
2640     EL_BD_AMOEBA,
2641     -1
2642   };
2643
2644   static int ep_amoebalive[] =
2645   {
2646     EL_AMOEBA_WET,
2647     EL_AMOEBA_DRY,
2648     EL_AMOEBA_FULL,
2649     EL_BD_AMOEBA,
2650     -1
2651   };
2652
2653   static int ep_has_content[] =
2654   {
2655     EL_YAMYAM,
2656     EL_AMOEBA_WET,
2657     EL_AMOEBA_DRY,
2658     EL_AMOEBA_FULL,
2659     EL_BD_AMOEBA,
2660     -1
2661   };
2662
2663   static int ep_active_bomb[] =
2664   {
2665     EL_DYNAMITE_ACTIVE,
2666     EL_DYNABOMB_PLAYER_1_ACTIVE,
2667     EL_DYNABOMB_PLAYER_2_ACTIVE,
2668     EL_DYNABOMB_PLAYER_3_ACTIVE,
2669     EL_DYNABOMB_PLAYER_4_ACTIVE,
2670     EL_SP_DISK_RED_ACTIVE,
2671     -1
2672   };
2673
2674   static int ep_inactive[] =
2675   {
2676     EL_EMPTY,
2677     EL_SAND,
2678     EL_WALL,
2679     EL_BD_WALL,
2680     EL_WALL_SLIPPERY,
2681     EL_STEELWALL,
2682     EL_AMOEBA_DEAD,
2683     EL_QUICKSAND_EMPTY,
2684     EL_STONEBLOCK,
2685     EL_ROBOT_WHEEL,
2686     EL_KEY_1,
2687     EL_KEY_2,
2688     EL_KEY_3,
2689     EL_KEY_4,
2690     EL_EM_KEY_1,
2691     EL_EM_KEY_2,
2692     EL_EM_KEY_3,
2693     EL_EM_KEY_4,
2694     EL_GATE_1,
2695     EL_GATE_2,
2696     EL_GATE_3,
2697     EL_GATE_4,
2698     EL_GATE_1_GRAY,
2699     EL_GATE_2_GRAY,
2700     EL_GATE_3_GRAY,
2701     EL_GATE_4_GRAY,
2702     EL_EM_GATE_1,
2703     EL_EM_GATE_2,
2704     EL_EM_GATE_3,
2705     EL_EM_GATE_4,
2706     EL_EM_GATE_1_GRAY,
2707     EL_EM_GATE_2_GRAY,
2708     EL_EM_GATE_3_GRAY,
2709     EL_EM_GATE_4_GRAY,
2710     EL_DYNAMITE,
2711     EL_INVISIBLE_STEELWALL,
2712     EL_INVISIBLE_WALL,
2713     EL_INVISIBLE_SAND,
2714     EL_LAMP,
2715     EL_LAMP_ACTIVE,
2716     EL_WALL_EMERALD,
2717     EL_WALL_DIAMOND,
2718     EL_WALL_BD_DIAMOND,
2719     EL_WALL_EMERALD_YELLOW,
2720     EL_DYNABOMB_INCREASE_NUMBER,
2721     EL_DYNABOMB_INCREASE_SIZE,
2722     EL_DYNABOMB_INCREASE_POWER,
2723 #if 0
2724     EL_SOKOBAN_OBJECT,
2725 #endif
2726     EL_SOKOBAN_FIELD_EMPTY,
2727     EL_SOKOBAN_FIELD_FULL,
2728     EL_WALL_EMERALD_RED,
2729     EL_WALL_EMERALD_PURPLE,
2730     EL_ACID_POOL_TOPLEFT,
2731     EL_ACID_POOL_TOPRIGHT,
2732     EL_ACID_POOL_BOTTOMLEFT,
2733     EL_ACID_POOL_BOTTOM,
2734     EL_ACID_POOL_BOTTOMRIGHT,
2735     EL_MAGIC_WALL,
2736     EL_MAGIC_WALL_DEAD,
2737     EL_BD_MAGIC_WALL,
2738     EL_BD_MAGIC_WALL_DEAD,
2739     EL_AMOEBA_TO_DIAMOND,
2740     EL_BLOCKED,
2741     EL_SP_EMPTY,
2742     EL_SP_BASE,
2743     EL_SP_PORT_RIGHT,
2744     EL_SP_PORT_DOWN,
2745     EL_SP_PORT_LEFT,
2746     EL_SP_PORT_UP,
2747     EL_SP_GRAVITY_PORT_RIGHT,
2748     EL_SP_GRAVITY_PORT_DOWN,
2749     EL_SP_GRAVITY_PORT_LEFT,
2750     EL_SP_GRAVITY_PORT_UP,
2751     EL_SP_PORT_HORIZONTAL,
2752     EL_SP_PORT_VERTICAL,
2753     EL_SP_PORT_ANY,
2754     EL_SP_DISK_RED,
2755 #if 0
2756     EL_SP_DISK_YELLOW,
2757 #endif
2758     EL_SP_CHIP_SINGLE,
2759     EL_SP_CHIP_LEFT,
2760     EL_SP_CHIP_RIGHT,
2761     EL_SP_CHIP_TOP,
2762     EL_SP_CHIP_BOTTOM,
2763     EL_SP_HARDWARE_GRAY,
2764     EL_SP_HARDWARE_GREEN,
2765     EL_SP_HARDWARE_BLUE,
2766     EL_SP_HARDWARE_RED,
2767     EL_SP_HARDWARE_YELLOW,
2768     EL_SP_HARDWARE_BASE_1,
2769     EL_SP_HARDWARE_BASE_2,
2770     EL_SP_HARDWARE_BASE_3,
2771     EL_SP_HARDWARE_BASE_4,
2772     EL_SP_HARDWARE_BASE_5,
2773     EL_SP_HARDWARE_BASE_6,
2774     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2775     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2776     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2777     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2778     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2779     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2780     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2781     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2782     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2783     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2784     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2785     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2786     EL_SIGN_EXCLAMATION,
2787     EL_SIGN_RADIOACTIVITY,
2788     EL_SIGN_STOP,
2789     EL_SIGN_WHEELCHAIR,
2790     EL_SIGN_PARKING,
2791     EL_SIGN_ONEWAY,
2792     EL_SIGN_HEART,
2793     EL_SIGN_TRIANGLE,
2794     EL_SIGN_ROUND,
2795     EL_SIGN_EXIT,
2796     EL_SIGN_YINYANG,
2797     EL_SIGN_OTHER,
2798     EL_STEELWALL_SLIPPERY,
2799     EL_EMC_STEELWALL_1,
2800     EL_EMC_STEELWALL_2,
2801     EL_EMC_STEELWALL_3,
2802     EL_EMC_STEELWALL_4,
2803     EL_EMC_WALL_1,
2804     EL_EMC_WALL_2,
2805     EL_EMC_WALL_3,
2806     EL_EMC_WALL_4,
2807     EL_EMC_WALL_5,
2808     EL_EMC_WALL_6,
2809     EL_EMC_WALL_7,
2810     EL_EMC_WALL_8,
2811     -1
2812   };
2813
2814   static int ep_em_slippery_wall[] =
2815   {
2816     -1
2817   };
2818
2819   static int ep_gfx_crumbled[] =
2820   {
2821     EL_SAND,
2822     EL_LANDMINE,
2823     EL_TRAP,
2824     EL_TRAP_ACTIVE,
2825     -1
2826   };
2827
2828   static struct
2829   {
2830     int *elements;
2831     int property;
2832   } element_properties[] =
2833   {
2834     { ep_diggable,              EP_DIGGABLE             },
2835     { ep_collectible_only,      EP_COLLECTIBLE_ONLY     },
2836     { ep_dont_run_into,         EP_DONT_RUN_INTO        },
2837     { ep_dont_collide_with,     EP_DONT_COLLIDE_WITH    },
2838     { ep_dont_touch,            EP_DONT_TOUCH           },
2839     { ep_indestructible,        EP_INDESTRUCTIBLE       },
2840     { ep_slippery,              EP_SLIPPERY             },
2841     { ep_can_change,            EP_CAN_CHANGE           },
2842     { ep_can_move,              EP_CAN_MOVE             },
2843     { ep_can_fall,              EP_CAN_FALL             },
2844     { ep_can_smash_player,      EP_CAN_SMASH_PLAYER     },
2845     { ep_can_smash_enemies,     EP_CAN_SMASH_ENEMIES    },
2846     { ep_can_smash_everything,  EP_CAN_SMASH_EVERYTHING },
2847     { ep_can_explode_by_fire,   EP_CAN_EXPLODE_BY_FIRE  },
2848     { ep_can_explode_smashed,   EP_CAN_EXPLODE_SMASHED  },
2849     { ep_can_explode_impact,    EP_CAN_EXPLODE_IMPACT   },
2850     { ep_walkable_over,         EP_WALKABLE_OVER        },
2851     { ep_walkable_inside,       EP_WALKABLE_INSIDE      },
2852     { ep_walkable_under,        EP_WALKABLE_UNDER       },
2853     { ep_passable_over,         EP_PASSABLE_OVER        },
2854     { ep_passable_inside,       EP_PASSABLE_INSIDE      },
2855     { ep_passable_under,        EP_PASSABLE_UNDER       },
2856     { ep_droppable,             EP_DROPPABLE            },
2857     { ep_can_explode_1x1,       EP_CAN_EXPLODE_1X1      },
2858     { ep_pushable,              EP_PUSHABLE             },
2859     { ep_can_explode_dyna,      EP_CAN_EXPLODE_DYNA     },
2860
2861     { ep_player,                EP_PLAYER               },
2862     { ep_can_pass_magic_wall,   EP_CAN_PASS_MAGIC_WALL  },
2863     { ep_switchable,            EP_SWITCHABLE           },
2864     { ep_bd_element,            EP_BD_ELEMENT           },
2865     { ep_sp_element,            EP_SP_ELEMENT           },
2866     { ep_sb_element,            EP_SB_ELEMENT           },
2867     { ep_gem,                   EP_GEM                  },
2868     { ep_food_dark_yamyam,      EP_FOOD_DARK_YAMYAM     },
2869     { ep_food_penguin,          EP_FOOD_PENGUIN         },
2870     { ep_food_pig,              EP_FOOD_PIG             },
2871     { ep_historic_wall,         EP_HISTORIC_WALL        },
2872     { ep_historic_solid,        EP_HISTORIC_SOLID       },
2873     { ep_classic_enemy,         EP_CLASSIC_ENEMY        },
2874     { ep_belt,                  EP_BELT                 },
2875     { ep_belt_active,           EP_BELT_ACTIVE          },
2876     { ep_belt_switch,           EP_BELT_SWITCH          },
2877     { ep_tube,                  EP_TUBE                 },
2878     { ep_keygate,               EP_KEYGATE              },
2879     { ep_amoeboid,              EP_AMOEBOID             },
2880     { ep_amoebalive,            EP_AMOEBALIVE           },
2881     { ep_has_content,           EP_HAS_CONTENT          },
2882     { ep_active_bomb,           EP_ACTIVE_BOMB          },
2883     { ep_inactive,              EP_INACTIVE             },
2884
2885     { ep_em_slippery_wall,      EP_EM_SLIPPERY_WALL     },
2886
2887     { ep_gfx_crumbled,          EP_GFX_CRUMBLED         },
2888
2889     { NULL,                     -1                      }
2890   };
2891
2892   static int copy_properties[][5] =
2893   {
2894     {
2895       EL_BUG,
2896       EL_BUG_LEFT,              EL_BUG_RIGHT,
2897       EL_BUG_UP,                EL_BUG_DOWN
2898     },
2899     {
2900       EL_SPACESHIP,
2901       EL_SPACESHIP_LEFT,        EL_SPACESHIP_RIGHT,
2902       EL_SPACESHIP_UP,          EL_SPACESHIP_DOWN
2903     },
2904     {
2905       EL_BD_BUTTERFLY,
2906       EL_BD_BUTTERFLY_LEFT,     EL_BD_BUTTERFLY_RIGHT,
2907       EL_BD_BUTTERFLY_UP,       EL_BD_BUTTERFLY_DOWN
2908     },
2909     {
2910       EL_BD_FIREFLY,
2911       EL_BD_FIREFLY_LEFT,       EL_BD_FIREFLY_RIGHT,
2912       EL_BD_FIREFLY_UP,         EL_BD_FIREFLY_DOWN
2913     },
2914     {
2915       EL_PACMAN,
2916       EL_PACMAN_LEFT,           EL_PACMAN_RIGHT,
2917       EL_PACMAN_UP,             EL_PACMAN_DOWN
2918     },
2919     {
2920       -1,
2921       -1, -1, -1, -1
2922     }
2923   };
2924
2925   int i, j, k;
2926
2927   /* always start with reliable default values (element has no properties) */
2928   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
2929     for (j = 0; j < NUM_ELEMENT_PROPERTIES; j++)
2930       SET_PROPERTY(i, j, FALSE);
2931
2932   /* set all base element properties from above array definitions */
2933   for (i = 0; element_properties[i].elements != NULL; i++)
2934     for (j = 0; (element_properties[i].elements)[j] != -1; j++)
2935       SET_PROPERTY((element_properties[i].elements)[j],
2936                    element_properties[i].property, TRUE);
2937
2938   /* copy properties to some elements that are only stored in level file */
2939   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
2940     for (j = 0; copy_properties[j][0] != -1; j++)
2941       if (HAS_PROPERTY(copy_properties[j][0], i))
2942         for (k = 1; k <= 4; k++)
2943           SET_PROPERTY(copy_properties[j][k], i, TRUE);
2944 }
2945
2946 void InitElementPropertiesEngine(int engine_version)
2947 {
2948 #if 0
2949   static int active_properties[] =
2950   {
2951     EP_AMOEBALIVE,
2952     EP_AMOEBOID,
2953     EP_PFORTE,
2954     EP_DONT_COLLIDE_WITH,
2955     EP_MAUER,
2956     EP_CAN_FALL,
2957     EP_CAN_SMASH,
2958     EP_CAN_PASS_MAGIC_WALL,
2959     EP_CAN_MOVE,
2960     EP_DONT_TOUCH,
2961     EP_DONT_RUN_INTO,
2962     EP_GEM,
2963     EP_CAN_EXPLODE_BY_FIRE,
2964     EP_PUSHABLE,
2965     EP_PLAYER,
2966     EP_HAS_CONTENT,
2967     EP_DIGGABLE,
2968     EP_PASSABLE_INSIDE,
2969     EP_OVER_PLAYER,
2970     EP_ACTIVE_BOMB,
2971
2972     EP_BELT,
2973     EP_BELT_ACTIVE,
2974     EP_BELT_SWITCH,
2975     EP_WALKABLE_UNDER,
2976     EP_EM_SLIPPERY_WALL,
2977   };
2978 #endif
2979
2980   static int no_wall_properties[] =
2981   {
2982     EP_DIGGABLE,
2983     EP_COLLECTIBLE_ONLY,
2984     EP_DONT_RUN_INTO,
2985     EP_DONT_COLLIDE_WITH,
2986     EP_CAN_MOVE,
2987     EP_CAN_FALL,
2988     EP_CAN_SMASH_PLAYER,
2989     EP_CAN_SMASH_ENEMIES,
2990     EP_CAN_SMASH_EVERYTHING,
2991     EP_PUSHABLE,
2992
2993     EP_PLAYER,
2994     EP_GEM,
2995     EP_FOOD_DARK_YAMYAM,
2996     EP_FOOD_PENGUIN,
2997     EP_BELT,
2998     EP_BELT_ACTIVE,
2999     EP_TUBE,
3000     EP_AMOEBOID,
3001     EP_AMOEBALIVE,
3002     EP_ACTIVE_BOMB,
3003
3004     EP_ACCESSIBLE,
3005     -1
3006   };
3007
3008   int i, j;
3009
3010 #if 0
3011   InitElementPropertiesStatic();
3012 #endif
3013
3014   /* set all special, combined or engine dependent element properties */
3015   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
3016   {
3017 #if 0
3018     for (j = EP_ACCESSIBLE_OVER; j < NUM_ELEMENT_PROPERTIES; j++)
3019       SET_PROPERTY(i, j, FALSE);
3020 #endif
3021
3022     /* ---------- INACTIVE ------------------------------------------------- */
3023     if (i >= EL_CHAR_START && i <= EL_CHAR_END)
3024       SET_PROPERTY(i, EP_INACTIVE, TRUE);
3025
3026     /* ---------- WALKABLE, PASSABLE, ACCESSIBLE --------------------------- */
3027     SET_PROPERTY(i, EP_WALKABLE, (IS_WALKABLE_OVER(i) ||
3028                                   IS_WALKABLE_INSIDE(i) ||
3029                                   IS_WALKABLE_UNDER(i)));
3030
3031     SET_PROPERTY(i, EP_PASSABLE, (IS_PASSABLE_OVER(i) ||
3032                                   IS_PASSABLE_INSIDE(i) ||
3033                                   IS_PASSABLE_UNDER(i)));
3034
3035     SET_PROPERTY(i, EP_ACCESSIBLE_OVER, (IS_WALKABLE_OVER(i) ||
3036                                          IS_PASSABLE_OVER(i)));
3037
3038     SET_PROPERTY(i, EP_ACCESSIBLE_INSIDE, (IS_WALKABLE_INSIDE(i) ||
3039                                            IS_PASSABLE_INSIDE(i)));
3040
3041     SET_PROPERTY(i, EP_ACCESSIBLE_UNDER, (IS_WALKABLE_UNDER(i) ||
3042                                           IS_PASSABLE_UNDER(i)));
3043
3044     SET_PROPERTY(i, EP_ACCESSIBLE, (IS_WALKABLE(i) ||
3045                                     IS_PASSABLE(i)));
3046
3047     /* ---------- COLLECTIBLE ---------------------------------------------- */
3048     SET_PROPERTY(i, EP_COLLECTIBLE, (IS_COLLECTIBLE_ONLY(i) ||
3049                                      IS_DROPPABLE(i)));
3050
3051     /* ---------- SNAPPABLE ------------------------------------------------ */
3052     SET_PROPERTY(i, EP_SNAPPABLE, (IS_DIGGABLE(i) ||
3053                                    IS_COLLECTIBLE(i) ||
3054                                    IS_SWITCHABLE(i) ||
3055                                    i == EL_BD_ROCK));
3056
3057     /* ---------- WALL ----------------------------------------------------- */
3058     SET_PROPERTY(i, EP_WALL, TRUE);     /* default: element is wall */
3059
3060     for (j = 0; no_wall_properties[j] != -1; j++)
3061       if (HAS_PROPERTY(i, no_wall_properties[j]) ||
3062           i >= EL_FIRST_RUNTIME_UNREAL)
3063         SET_PROPERTY(i, EP_WALL, FALSE);
3064
3065     if (IS_HISTORIC_WALL(i))
3066       SET_PROPERTY(i, EP_WALL, TRUE);
3067
3068     /* ---------- SOLID_FOR_PUSHING ---------------------------------------- */
3069     if (engine_version < VERSION_IDENT(2,2,0,0))
3070       SET_PROPERTY(i, EP_SOLID_FOR_PUSHING, IS_HISTORIC_SOLID(i));
3071     else
3072       SET_PROPERTY(i, EP_SOLID_FOR_PUSHING, (!IS_WALKABLE(i) &&
3073                                              !IS_DIGGABLE(i) &&
3074                                              !IS_COLLECTIBLE(i)));
3075
3076     /* ---------- DRAGONFIRE_PROOF ----------------------------------------- */
3077
3078     if (IS_HISTORIC_SOLID(i) || i == EL_EXPLOSION)
3079       SET_PROPERTY(i, EP_DRAGONFIRE_PROOF, TRUE);
3080     else
3081       SET_PROPERTY(i, EP_DRAGONFIRE_PROOF, (IS_CUSTOM_ELEMENT(i) &&
3082                                             IS_INDESTRUCTIBLE(i)));
3083
3084     /* ---------- EXPLOSION_PROOF ------------------------------------------ */
3085     if (i == EL_FLAMES)
3086       SET_PROPERTY(i, EP_EXPLOSION_PROOF, TRUE);
3087     else if (engine_version < VERSION_IDENT(2,2,0,0))
3088       SET_PROPERTY(i, EP_EXPLOSION_PROOF, IS_INDESTRUCTIBLE(i));
3089     else
3090       SET_PROPERTY(i, EP_EXPLOSION_PROOF, (IS_INDESTRUCTIBLE(i) &&
3091                                            !IS_WALKABLE_OVER(i) &&
3092                                            !IS_WALKABLE_UNDER(i)));
3093
3094     if (IS_CUSTOM_ELEMENT(i))
3095     {
3096       /* ---------- DONT_COLLIDE_WITH / DONT_RUN_INTO ---------------------- */
3097       if (DONT_TOUCH(i))
3098         SET_PROPERTY(i, EP_DONT_COLLIDE_WITH, TRUE);
3099       if (DONT_COLLIDE_WITH(i))
3100         SET_PROPERTY(i, EP_DONT_RUN_INTO, TRUE);
3101
3102       /* ---------- CAN_SMASH_ENEMIES / CAN_SMASH_PLAYER ------------------- */
3103       if (CAN_SMASH_EVERYTHING(i))
3104         SET_PROPERTY(i, EP_CAN_SMASH_ENEMIES, TRUE);
3105       if (CAN_SMASH_ENEMIES(i))
3106         SET_PROPERTY(i, EP_CAN_SMASH_PLAYER, TRUE);
3107     }
3108
3109     /* ---------- CAN_SMASH ------------------------------------------------ */
3110     SET_PROPERTY(i, EP_CAN_SMASH, (CAN_SMASH_PLAYER(i) ||
3111                                    CAN_SMASH_ENEMIES(i) ||
3112                                    CAN_SMASH_EVERYTHING(i)));
3113
3114     /* ---------- CAN_EXPLODE ---------------------------------------------- */
3115     SET_PROPERTY(i, EP_CAN_EXPLODE, (CAN_EXPLODE_BY_FIRE(i) ||
3116                                      CAN_EXPLODE_SMASHED(i) ||
3117                                      CAN_EXPLODE_IMPACT(i)));
3118
3119     /* ---------- CAN_EXPLODE_3X3 ------------------------------------------ */
3120     SET_PROPERTY(i, EP_CAN_EXPLODE_3X3, (CAN_EXPLODE(i) &&
3121                                          !CAN_EXPLODE_1X1(i) &&
3122                                          !CAN_EXPLODE_DYNA(i)));
3123
3124     /* ---------- SP_PORT -------------------------------------------------- */
3125     SET_PROPERTY(i, EP_SP_PORT, (IS_SP_ELEMENT(i) &&
3126                                  IS_PASSABLE_INSIDE(i)));
3127
3128 #if 0
3129     if (i == EL_CUSTOM_START + 253)
3130       printf("::: %d, %d, %d -> %d\n",
3131              CAN_EXPLODE_1X1(i),
3132              CAN_EXPLODE_3X3(i),
3133              CAN_EXPLODE_DYNA(i),
3134              CAN_EXPLODE(i));
3135 #endif
3136
3137     /* ---------- CAN_CHANGE ----------------------------------------------- */
3138     SET_PROPERTY(i, EP_CAN_CHANGE, FALSE);      /* default: cannot change */
3139     for (j = 0; j < element_info[i].num_change_pages; j++)
3140       if (element_info[i].change_page[j].can_change)
3141         SET_PROPERTY(i, EP_CAN_CHANGE, TRUE);
3142
3143     /* ---------- GFX_CRUMBLED --------------------------------------------- */
3144     SET_PROPERTY(i, EP_GFX_CRUMBLED,
3145                  element_info[i].crumbled[ACTION_DEFAULT] != IMG_EMPTY);
3146   }
3147
3148 #if 0
3149   /* determine inactive elements (used for engine main loop optimization) */
3150   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
3151   {
3152     boolean active = FALSE;
3153
3154     for (j = 0; i < NUM_ELEMENT_PROPERTIES; j++)
3155     {
3156       if (HAS_PROPERTY(i, j))
3157         active = TRUE;
3158     }
3159
3160 #if 0
3161     if (!active)
3162       SET_PROPERTY(i, EP_INACTIVE, TRUE);
3163 #endif
3164   }
3165 #endif
3166
3167   /* dynamically adjust element properties according to game engine version */
3168   {
3169     static int ep_em_slippery_wall[] =
3170     {
3171       EL_STEELWALL,
3172       EL_WALL,
3173       EL_EXPANDABLE_WALL,
3174       EL_EXPANDABLE_WALL_HORIZONTAL,
3175       EL_EXPANDABLE_WALL_VERTICAL,
3176       EL_EXPANDABLE_WALL_ANY,
3177       -1
3178     };
3179
3180     /* special EM style gems behaviour */
3181     for (i = 0; ep_em_slippery_wall[i] != -1; i++)
3182       SET_PROPERTY(ep_em_slippery_wall[i], EP_EM_SLIPPERY_WALL,
3183                    level.em_slippery_gems);
3184
3185     /* "EL_EXPANDABLE_WALL_GROWING" wasn't slippery for EM gems in 2.0.1 */
3186     SET_PROPERTY(EL_EXPANDABLE_WALL_GROWING, EP_EM_SLIPPERY_WALL,
3187                  (level.em_slippery_gems &&
3188                   engine_version > VERSION_IDENT(2,0,1,0)));
3189   }
3190
3191 #if 1
3192   /* set default push delay values (corrected since version 3.0.7-1) */
3193   if (engine_version < VERSION_IDENT(3,0,7,1))
3194   {
3195     game.default_push_delay_fixed = 2;
3196     game.default_push_delay_random = 8;
3197   }
3198   else
3199   {
3200     game.default_push_delay_fixed = 8;
3201     game.default_push_delay_random = 8;
3202   }
3203
3204   /* set uninitialized push delay values of custom elements in older levels */
3205   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
3206   {
3207     int element = EL_CUSTOM_START + i;
3208
3209     if (element_info[element].push_delay_fixed == -1)
3210       element_info[element].push_delay_fixed = game.default_push_delay_fixed;
3211     if (element_info[element].push_delay_random == -1)
3212       element_info[element].push_delay_random = game.default_push_delay_random;
3213   }
3214 #endif
3215
3216   /* this is needed because some graphics depend on element properties */
3217   if (game_status == GAME_MODE_PLAYING)
3218     InitElementGraphicInfo();
3219 }
3220
3221 static void InitGlobal()
3222 {
3223   global.autoplay_leveldir = NULL;
3224
3225   global.frames_per_second = 0;
3226   global.fps_slowdown = FALSE;
3227   global.fps_slowdown_factor = 1;
3228 }
3229
3230 void Execute_Command(char *command)
3231 {
3232   int i;
3233
3234   if (strcmp(command, "print graphicsinfo.conf") == 0)
3235   {
3236     printf("# You can configure additional/alternative image files here.\n");
3237     printf("# (The entries below are default and therefore commented out.)\n");
3238     printf("\n");
3239     printf("%s\n", getFormattedSetupEntry("name", "Classic Graphics"));
3240     printf("\n");
3241     printf("%s\n", getFormattedSetupEntry("sort_priority", "100"));
3242     printf("\n");
3243
3244     for (i = 0; image_config[i].token != NULL; i++)
3245       printf("# %s\n", getFormattedSetupEntry(image_config[i].token,
3246                                               image_config[i].value));
3247
3248     exit(0);
3249   }
3250   else if (strcmp(command, "print soundsinfo.conf") == 0)
3251   {
3252     printf("# You can configure additional/alternative sound files here.\n");
3253     printf("# (The entries below are default and therefore commented out.)\n");
3254     printf("\n");
3255     printf("%s\n", getFormattedSetupEntry("name", "Classic Sounds"));
3256     printf("\n");
3257     printf("%s\n", getFormattedSetupEntry("sort_priority", "100"));
3258     printf("\n");
3259
3260     for (i = 0; sound_config[i].token != NULL; i++)
3261       printf("# %s\n", getFormattedSetupEntry(sound_config[i].token,
3262                                               sound_config[i].value));
3263
3264     exit(0);
3265   }
3266   else if (strcmp(command, "print musicinfo.conf") == 0)
3267   {
3268     printf("# You can configure additional/alternative music files here.\n");
3269     printf("# (The entries below are default and therefore commented out.)\n");
3270     printf("\n");
3271     printf("%s\n", getFormattedSetupEntry("name", "Classic Music"));
3272     printf("\n");
3273     printf("%s\n", getFormattedSetupEntry("sort_priority", "100"));
3274     printf("\n");
3275
3276     for (i = 0; music_config[i].token != NULL; i++)
3277       printf("# %s\n", getFormattedSetupEntry(music_config[i].token,
3278                                               music_config[i].value));
3279
3280     exit(0);
3281   }
3282   else if (strcmp(command, "print editorsetup.conf") == 0)
3283   {
3284     printf("# You can configure your personal editor element list here.\n");
3285     printf("# (The entries below are default and therefore commented out.)\n");
3286     printf("\n");
3287
3288     PrintEditorElementList();
3289
3290     exit(0);
3291   }
3292   else if (strcmp(command, "print helpanim.conf") == 0)
3293   {
3294     printf("# You can configure different element help animations here.\n");
3295     printf("# (The entries below are default and therefore commented out.)\n");
3296     printf("\n");
3297
3298     for (i = 0; helpanim_config[i].token != NULL; i++)
3299     {
3300       printf("# %s\n", getFormattedSetupEntry(helpanim_config[i].token,
3301                                               helpanim_config[i].value));
3302
3303       if (strcmp(helpanim_config[i].token, "end") == 0)
3304         printf("#\n");
3305     }
3306
3307     exit(0);
3308   }
3309   else if (strcmp(command, "print helptext.conf") == 0)
3310   {
3311     printf("# You can configure different element help text here.\n");
3312     printf("# (The entries below are default and therefore commented out.)\n");
3313     printf("\n");
3314
3315     for (i = 0; helptext_config[i].token != NULL; i++)
3316       printf("# %s\n", getFormattedSetupEntry(helptext_config[i].token,
3317                                               helptext_config[i].value));
3318
3319     exit(0);
3320   }
3321   else if (strncmp(command, "dump level ", 11) == 0)
3322   {
3323     char *filename = &command[11];
3324
3325     if (access(filename, F_OK) != 0)
3326       Error(ERR_EXIT, "cannot open file '%s'", filename);
3327
3328     LoadLevelFromFilename(&level, filename);
3329     DumpLevel(&level);
3330
3331     exit(0);
3332   }
3333   else if (strncmp(command, "dump tape ", 10) == 0)
3334   {
3335     char *filename = &command[10];
3336
3337     if (access(filename, F_OK) != 0)
3338       Error(ERR_EXIT, "cannot open file '%s'", filename);
3339
3340     LoadTapeFromFilename(filename);
3341     DumpTape(&tape);
3342
3343     exit(0);
3344   }
3345   else if (strncmp(command, "autoplay ", 9) == 0)
3346   {
3347     char *str_copy = getStringCopy(&command[9]);
3348     char *str_ptr = strchr(str_copy, ' ');
3349
3350     global.autoplay_leveldir = str_copy;
3351     global.autoplay_level_nr = -1;
3352
3353     if (str_ptr != NULL)
3354     {
3355       *str_ptr++ = '\0';                        /* terminate leveldir string */
3356       global.autoplay_level_nr = atoi(str_ptr); /* get level_nr value */
3357     }
3358   }
3359   else
3360   {
3361     Error(ERR_EXIT_HELP, "unrecognized command '%s'", command);
3362   }
3363 }
3364
3365 static void InitSetup()
3366 {
3367   LoadSetup();                                  /* global setup info */
3368
3369   /* set some options from setup file */
3370
3371   if (setup.options.verbose)
3372     options.verbose = TRUE;
3373 }
3374
3375 static void InitPlayerInfo()
3376 {
3377   int i;
3378
3379   /* choose default local player */
3380   local_player = &stored_player[0];
3381
3382   for (i = 0; i < MAX_PLAYERS; i++)
3383     stored_player[i].connected = FALSE;
3384
3385   local_player->connected = TRUE;
3386 }
3387
3388 static void InitArtworkInfo()
3389 {
3390   LoadArtworkInfo();
3391 }
3392
3393 static char *get_string_in_brackets(char *string)
3394 {
3395   char *string_in_brackets = checked_malloc(strlen(string) + 3);
3396
3397   sprintf(string_in_brackets, "[%s]", string);
3398
3399   return string_in_brackets;
3400 }
3401
3402 static char *get_level_id_suffix(int id_nr)
3403 {
3404   char *id_suffix = checked_malloc(1 + 3 + 1);
3405
3406   if (id_nr < 0 || id_nr > 999)
3407     id_nr = 0;
3408
3409   sprintf(id_suffix, ".%03d", id_nr);
3410
3411   return id_suffix;
3412 }
3413
3414 #if 0
3415 static char *get_element_class_token(int element)
3416 {
3417   char *element_class_name = element_info[element].class_name;
3418   char *element_class_token = checked_malloc(strlen(element_class_name) + 3);
3419
3420   sprintf(element_class_token, "[%s]", element_class_name);
3421
3422   return element_class_token;
3423 }
3424
3425 static char *get_action_class_token(int action)
3426 {
3427   char *action_class_name = &element_action_info[action].suffix[1];
3428   char *action_class_token = checked_malloc(strlen(action_class_name) + 3);
3429
3430   sprintf(action_class_token, "[%s]", action_class_name);
3431
3432   return action_class_token;
3433 }
3434 #endif
3435
3436 static void InitArtworkConfig()
3437 {
3438   static char *image_id_prefix[MAX_NUM_ELEMENTS + NUM_FONTS + 1];
3439   static char *sound_id_prefix[2 * MAX_NUM_ELEMENTS + 1];
3440   static char *music_id_prefix[NUM_MUSIC_PREFIXES + 1];
3441   static char *action_id_suffix[NUM_ACTIONS + 1];
3442   static char *direction_id_suffix[NUM_DIRECTIONS + 1];
3443   static char *special_id_suffix[NUM_SPECIAL_GFX_ARGS + 1];
3444   static char *level_id_suffix[MAX_LEVELS + 1];
3445   static char *dummy[1] = { NULL };
3446   static char *ignore_generic_tokens[] =
3447   {
3448     "name",
3449     "sort_priority",
3450     NULL
3451   };
3452   static char **ignore_image_tokens;
3453   static char **ignore_sound_tokens;
3454   static char **ignore_music_tokens;
3455   int num_ignore_generic_tokens;
3456   int num_ignore_image_tokens;
3457   int num_ignore_sound_tokens;
3458   int num_ignore_music_tokens;
3459   int i;
3460
3461   /* dynamically determine list of generic tokens to be ignored */
3462   num_ignore_generic_tokens = 0;
3463   for (i = 0; ignore_generic_tokens[i] != NULL; i++)
3464     num_ignore_generic_tokens++;
3465
3466   /* dynamically determine list of image tokens to be ignored */
3467   num_ignore_image_tokens = num_ignore_generic_tokens;
3468   for (i = 0; image_config_vars[i].token != NULL; i++)
3469     num_ignore_image_tokens++;
3470   ignore_image_tokens =
3471     checked_malloc((num_ignore_image_tokens + 1) * sizeof(char *));
3472   for (i = 0; i < num_ignore_generic_tokens; i++)
3473     ignore_image_tokens[i] = ignore_generic_tokens[i];
3474   for (i = 0; i < num_ignore_image_tokens - num_ignore_generic_tokens; i++)
3475     ignore_image_tokens[num_ignore_generic_tokens + i] =
3476       image_config_vars[i].token;
3477   ignore_image_tokens[num_ignore_image_tokens] = NULL;
3478
3479   /* dynamically determine list of sound tokens to be ignored */
3480   num_ignore_sound_tokens = num_ignore_generic_tokens;
3481   ignore_sound_tokens =
3482     checked_malloc((num_ignore_sound_tokens + 1) * sizeof(char *));
3483   for (i = 0; i < num_ignore_generic_tokens; i++)
3484     ignore_sound_tokens[i] = ignore_generic_tokens[i];
3485   ignore_sound_tokens[num_ignore_sound_tokens] = NULL;
3486
3487   /* dynamically determine list of music tokens to be ignored */
3488   num_ignore_music_tokens = num_ignore_generic_tokens;
3489   ignore_music_tokens =
3490     checked_malloc((num_ignore_music_tokens + 1) * sizeof(char *));
3491   for (i = 0; i < num_ignore_generic_tokens; i++)
3492     ignore_music_tokens[i] = ignore_generic_tokens[i];
3493   ignore_music_tokens[num_ignore_music_tokens] = NULL;
3494
3495   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
3496     image_id_prefix[i] = element_info[i].token_name;
3497   for (i = 0; i < NUM_FONTS; i++)
3498     image_id_prefix[MAX_NUM_ELEMENTS + i] = font_info[i].token_name;
3499   image_id_prefix[MAX_NUM_ELEMENTS + NUM_FONTS] = NULL;
3500
3501   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
3502     sound_id_prefix[i] = element_info[i].token_name;
3503   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
3504     sound_id_prefix[MAX_NUM_ELEMENTS + i] =
3505       get_string_in_brackets(element_info[i].class_name);
3506   sound_id_prefix[2 * MAX_NUM_ELEMENTS] = NULL;
3507
3508   for (i = 0; i < NUM_MUSIC_PREFIXES; i++)
3509     music_id_prefix[i] = music_prefix_info[i].prefix;
3510   music_id_prefix[MAX_LEVELS] = NULL;
3511
3512   for (i = 0; i < NUM_ACTIONS; i++)
3513     action_id_suffix[i] = element_action_info[i].suffix;
3514   action_id_suffix[NUM_ACTIONS] = NULL;
3515
3516   for (i = 0; i < NUM_DIRECTIONS; i++)
3517     direction_id_suffix[i] = element_direction_info[i].suffix;
3518   direction_id_suffix[NUM_DIRECTIONS] = NULL;
3519
3520   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
3521     special_id_suffix[i] = special_suffix_info[i].suffix;
3522   special_id_suffix[NUM_SPECIAL_GFX_ARGS] = NULL;
3523
3524   for (i = 0; i < MAX_LEVELS; i++)
3525     level_id_suffix[i] = get_level_id_suffix(i);
3526   level_id_suffix[MAX_LEVELS] = NULL;
3527
3528   InitImageList(image_config, NUM_IMAGE_FILES, image_config_suffix,
3529                 image_id_prefix, action_id_suffix, direction_id_suffix,
3530                 special_id_suffix, ignore_image_tokens);
3531   InitSoundList(sound_config, NUM_SOUND_FILES, sound_config_suffix,
3532                 sound_id_prefix, action_id_suffix, dummy,
3533                 special_id_suffix, ignore_sound_tokens);
3534   InitMusicList(music_config, NUM_MUSIC_FILES, music_config_suffix,
3535                 music_id_prefix, special_id_suffix, level_id_suffix,
3536                 dummy, ignore_music_tokens);
3537 }
3538
3539 static void InitMixer()
3540 {
3541   OpenAudio();
3542   StartMixer();
3543 }
3544
3545 void InitGfx()
3546 {
3547   char *filename_font_initial = NULL;
3548   Bitmap *bitmap_font_initial = NULL;
3549   int i, j;
3550
3551   /* determine settings for initial font (for displaying startup messages) */
3552   for (i = 0; image_config[i].token != NULL; i++)
3553   {
3554     for (j = 0; j < NUM_INITIAL_FONTS; j++)
3555     {
3556       char font_token[128];
3557       int len_font_token;
3558
3559       sprintf(font_token, "%s_%d", CONFIG_TOKEN_FONT_INITIAL, j + 1);
3560       len_font_token = strlen(font_token);
3561
3562       if (strcmp(image_config[i].token, font_token) == 0)
3563         filename_font_initial = image_config[i].value;
3564       else if (strlen(image_config[i].token) > len_font_token &&
3565                strncmp(image_config[i].token, font_token, len_font_token) == 0)
3566       {
3567         if (strcmp(&image_config[i].token[len_font_token], ".x") == 0)
3568           font_initial[j].src_x = atoi(image_config[i].value);
3569         else if (strcmp(&image_config[i].token[len_font_token], ".y") == 0)
3570           font_initial[j].src_y = atoi(image_config[i].value);
3571         else if (strcmp(&image_config[i].token[len_font_token], ".width") == 0)
3572           font_initial[j].width = atoi(image_config[i].value);
3573         else if (strcmp(&image_config[i].token[len_font_token],".height") == 0)
3574           font_initial[j].height = atoi(image_config[i].value);
3575       }
3576     }
3577   }
3578
3579   for (j = 0; j < NUM_INITIAL_FONTS; j++)
3580   {
3581     font_initial[j].num_chars = DEFAULT_NUM_CHARS_PER_FONT;
3582     font_initial[j].num_chars_per_line = DEFAULT_NUM_CHARS_PER_LINE;
3583   }
3584
3585   if (filename_font_initial == NULL)    /* should not happen */
3586     Error(ERR_EXIT, "cannot get filename for '%s'", CONFIG_TOKEN_FONT_INITIAL);
3587
3588   /* create additional image buffers for double-buffering */
3589   bitmap_db_field = CreateBitmap(FXSIZE, FYSIZE, DEFAULT_DEPTH);
3590   bitmap_db_door  = CreateBitmap(3 * DXSIZE, DYSIZE + VYSIZE, DEFAULT_DEPTH);
3591
3592   /* initialize screen properties */
3593   InitGfxFieldInfo(SX, SY, SXSIZE, SYSIZE,
3594                    REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE,
3595                    bitmap_db_field);
3596   InitGfxDoor1Info(DX, DY, DXSIZE, DYSIZE);
3597   InitGfxDoor2Info(VX, VY, VXSIZE, VYSIZE);
3598   InitGfxScrollbufferInfo(FXSIZE, FYSIZE);
3599
3600   bitmap_font_initial = LoadCustomImage(filename_font_initial);
3601
3602   for (j = 0; j < NUM_INITIAL_FONTS; j++)
3603     font_initial[j].bitmap = bitmap_font_initial;
3604
3605   InitFontGraphicInfo();
3606
3607   DrawInitText(getProgramInitString(), 20, FC_YELLOW);
3608   DrawInitText(PROGRAM_COPYRIGHT_STRING, 50, FC_RED);
3609
3610   DrawInitText("Loading graphics:", 120, FC_GREEN);
3611
3612   InitTileClipmasks();
3613 }
3614
3615 void InitGfxBackground()
3616 {
3617   int x, y;
3618
3619   drawto = backbuffer;
3620   fieldbuffer = bitmap_db_field;
3621   SetDrawtoField(DRAW_BACKBUFFER);
3622
3623   BlitBitmap(graphic_info[IMG_GLOBAL_BORDER].bitmap, backbuffer,
3624              0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
3625   ClearRectangle(backbuffer, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
3626   ClearRectangle(bitmap_db_door, 0, 0, 3 * DXSIZE, DYSIZE + VYSIZE);
3627
3628   for (x = 0; x < MAX_BUF_XSIZE; x++)
3629     for (y = 0; y < MAX_BUF_YSIZE; y++)
3630       redraw[x][y] = 0;
3631   redraw_tiles = 0;
3632   redraw_mask = REDRAW_ALL;
3633 }
3634
3635 static void InitLevelInfo()
3636 {
3637   LoadLevelInfo();                              /* global level info */
3638   LoadLevelSetup_LastSeries();                  /* last played series info */
3639   LoadLevelSetup_SeriesInfo();                  /* last played level info */
3640 }
3641
3642 void InitLevelArtworkInfo()
3643 {
3644   LoadLevelArtworkInfo();
3645 }
3646
3647 static void InitImages()
3648 {
3649 #if 1
3650   setLevelArtworkDir(artwork.gfx_first);
3651 #endif
3652
3653 #if 0
3654   printf("::: InitImages for '%s' ['%s', '%s'] ['%s', '%s']\n",
3655          leveldir_current->identifier,
3656          artwork.gfx_current_identifier,
3657          artwork.gfx_current->identifier,
3658          leveldir_current->graphics_set,
3659          leveldir_current->graphics_path);
3660 #endif
3661
3662   ReloadCustomImages();
3663
3664   LoadCustomElementDescriptions();
3665   LoadSpecialMenuDesignSettings();
3666
3667   ReinitializeGraphics();
3668 }
3669
3670 static void InitSound(char *identifier)
3671 {
3672   if (identifier == NULL)
3673     identifier = artwork.snd_current->identifier;
3674
3675 #if 1
3676   /* set artwork path to send it to the sound server process */
3677   setLevelArtworkDir(artwork.snd_first);
3678 #endif
3679
3680   InitReloadCustomSounds(identifier);
3681   ReinitializeSounds();
3682 }
3683
3684 static void InitMusic(char *identifier)
3685 {
3686   if (identifier == NULL)
3687     identifier = artwork.mus_current->identifier;
3688
3689 #if 1
3690   /* set artwork path to send it to the sound server process */
3691   setLevelArtworkDir(artwork.mus_first);
3692 #endif
3693
3694   InitReloadCustomMusic(identifier);
3695   ReinitializeMusic();
3696 }
3697
3698 void InitNetworkServer()
3699 {
3700 #if defined(PLATFORM_UNIX)
3701   int nr_wanted;
3702 #endif
3703
3704   if (!options.network)
3705     return;
3706
3707 #if defined(PLATFORM_UNIX)
3708   nr_wanted = Request("Choose player", REQ_PLAYER | REQ_STAY_CLOSED);
3709
3710   if (!ConnectToServer(options.server_host, options.server_port))
3711     Error(ERR_EXIT, "cannot connect to network game server");
3712
3713   SendToServer_PlayerName(setup.player_name);
3714   SendToServer_ProtocolVersion();
3715
3716   if (nr_wanted)
3717     SendToServer_NrWanted(nr_wanted);
3718 #endif
3719 }
3720
3721 static char *getNewArtworkIdentifier(int type)
3722 {
3723   static char *leveldir_current_identifier[3] = { NULL, NULL, NULL };
3724   static boolean last_override_level_artwork[3] = { FALSE, FALSE, FALSE };
3725   static boolean last_has_level_artwork_set[3] = { FALSE, FALSE, FALSE };
3726   static boolean initialized[3] = { FALSE, FALSE, FALSE };
3727   TreeInfo *artwork_first_node = ARTWORK_FIRST_NODE(artwork, type);
3728   boolean setup_override_artwork = SETUP_OVERRIDE_ARTWORK(setup, type);
3729   char *setup_artwork_set = SETUP_ARTWORK_SET(setup, type);
3730   char *leveldir_identifier = leveldir_current->identifier;
3731 #if 1
3732   /* !!! setLevelArtworkDir() should be moved to an earlier stage !!! */
3733   char *leveldir_artwork_set = setLevelArtworkDir(artwork_first_node);
3734 #else
3735   char *leveldir_artwork_set = LEVELDIR_ARTWORK_SET(leveldir_current, type);
3736 #endif
3737   boolean has_level_artwork_set = (leveldir_artwork_set != NULL);
3738   char *artwork_current_identifier;
3739   char *artwork_new_identifier = NULL;  /* default: nothing has changed */
3740
3741   /* leveldir_current may be invalid (level group, parent link) */
3742   if (!validLevelSeries(leveldir_current))
3743     return NULL;
3744
3745   /* 1st step: determine artwork set to be activated in descending order:
3746      --------------------------------------------------------------------
3747      1. setup artwork (when configured to override everything else)
3748      2. artwork set configured in "levelinfo.conf" of current level set
3749         (artwork in level directory will have priority when loading later)
3750      3. artwork in level directory (stored in artwork sub-directory)
3751      4. setup artwork (currently configured in setup menu) */
3752
3753   if (setup_override_artwork)
3754     artwork_current_identifier = setup_artwork_set;
3755   else if (leveldir_artwork_set != NULL)
3756     artwork_current_identifier = leveldir_artwork_set;
3757   else if (getTreeInfoFromIdentifier(artwork_first_node, leveldir_identifier))
3758     artwork_current_identifier = leveldir_identifier;
3759   else
3760     artwork_current_identifier = setup_artwork_set;
3761
3762
3763   /* 2nd step: check if it is really needed to reload artwork set
3764      ------------------------------------------------------------ */
3765
3766 #if 0
3767   if (type == ARTWORK_TYPE_GRAPHICS)
3768     printf("::: 0: '%s' ['%s', '%s'] ['%s' ('%s')]\n",
3769            artwork_new_identifier,
3770            ARTWORK_CURRENT_IDENTIFIER(artwork, type),
3771            artwork_current_identifier,
3772            leveldir_current->graphics_set,
3773            leveldir_current->identifier);
3774 #endif
3775
3776   /* ---------- reload if level set and also artwork set has changed ------- */
3777   if (leveldir_current_identifier[type] != leveldir_identifier &&
3778       (last_has_level_artwork_set[type] || has_level_artwork_set))
3779     artwork_new_identifier = artwork_current_identifier;
3780
3781   leveldir_current_identifier[type] = leveldir_identifier;
3782   last_has_level_artwork_set[type] = has_level_artwork_set;
3783
3784 #if 0
3785   if (type == ARTWORK_TYPE_GRAPHICS)
3786     printf("::: 1: '%s'\n", artwork_new_identifier);
3787 #endif
3788
3789   /* ---------- reload if "override artwork" setting has changed ----------- */
3790   if (last_override_level_artwork[type] != setup_override_artwork)
3791     artwork_new_identifier = artwork_current_identifier;
3792
3793   last_override_level_artwork[type] = setup_override_artwork;
3794
3795 #if 0
3796   if (type == ARTWORK_TYPE_GRAPHICS)
3797     printf("::: 2: '%s'\n", artwork_new_identifier);
3798 #endif
3799
3800   /* ---------- reload if current artwork identifier has changed ----------- */
3801   if (strcmp(ARTWORK_CURRENT_IDENTIFIER(artwork, type),
3802              artwork_current_identifier) != 0)
3803     artwork_new_identifier = artwork_current_identifier;
3804
3805   *(&(ARTWORK_CURRENT_IDENTIFIER(artwork, type))) = artwork_current_identifier;
3806
3807 #if 0
3808   if (type == ARTWORK_TYPE_GRAPHICS)
3809     printf("::: 3: '%s'\n", artwork_new_identifier);
3810 #endif
3811
3812   /* ---------- do not reload directly after starting ---------------------- */
3813   if (!initialized[type])
3814     artwork_new_identifier = NULL;
3815
3816   initialized[type] = TRUE;
3817
3818 #if 0
3819   if (type == ARTWORK_TYPE_GRAPHICS)
3820     printf("::: 4: '%s'\n", artwork_new_identifier);
3821 #endif
3822
3823 #if 0
3824   if (type == ARTWORK_TYPE_GRAPHICS)
3825     printf("CHECKING OLD/NEW GFX:\n- OLD: %s\n- NEW: %s ['%s', '%s'] ['%s']\n",
3826            artwork.gfx_current_identifier, artwork_current_identifier,
3827            artwork.gfx_current->identifier, leveldir_current->graphics_set,
3828            artwork_new_identifier);
3829 #endif
3830
3831   return artwork_new_identifier;
3832 }
3833
3834 void ReloadCustomArtwork(int force_reload)
3835 {
3836   char *gfx_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_GRAPHICS);
3837   char *snd_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_SOUNDS);
3838   char *mus_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_MUSIC);
3839   boolean force_reload_gfx = (force_reload & (1 << ARTWORK_TYPE_GRAPHICS));
3840   boolean force_reload_snd = (force_reload & (1 << ARTWORK_TYPE_SOUNDS));
3841   boolean force_reload_mus = (force_reload & (1 << ARTWORK_TYPE_MUSIC));
3842   boolean redraw_screen = FALSE;
3843
3844   if (gfx_new_identifier != NULL || force_reload_gfx)
3845   {
3846 #if 0
3847     printf("RELOADING GRAPHICS '%s' -> '%s' ['%s', '%s']\n",
3848            artwork.gfx_current_identifier,
3849            gfx_new_identifier,
3850            artwork.gfx_current->identifier,
3851            leveldir_current->graphics_set);
3852 #endif
3853
3854     ClearRectangle(window, 0, 0, WIN_XSIZE, WIN_YSIZE);
3855
3856     InitImages();
3857
3858 #if 0
3859     printf("... '%s'\n",
3860            leveldir_current->graphics_set);
3861 #endif
3862
3863     FreeTileClipmasks();
3864     InitTileClipmasks();
3865
3866     redraw_screen = TRUE;
3867   }
3868
3869   if (snd_new_identifier != NULL || force_reload_snd)
3870   {
3871     ClearRectangle(window, 0, 0, WIN_XSIZE, WIN_YSIZE);
3872
3873     InitSound(snd_new_identifier);
3874
3875     redraw_screen = TRUE;
3876   }
3877
3878   if (mus_new_identifier != NULL || force_reload_mus)
3879   {
3880     ClearRectangle(window, 0, 0, WIN_XSIZE, WIN_YSIZE);
3881
3882     InitMusic(mus_new_identifier);
3883
3884     redraw_screen = TRUE;
3885   }
3886
3887   if (redraw_screen)
3888   {
3889     InitGfxBackground();
3890
3891     /* force redraw of (open or closed) door graphics */
3892     SetDoorState(DOOR_OPEN_ALL);
3893     CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
3894   }
3895 }
3896
3897 void KeyboardAutoRepeatOffUnlessAutoplay()
3898 {
3899   if (global.autoplay_leveldir == NULL)
3900     KeyboardAutoRepeatOff();
3901 }
3902
3903
3904 /* ========================================================================= */
3905 /* OpenAll()                                                                 */
3906 /* ========================================================================= */
3907
3908 void OpenAll()
3909 {
3910   InitGlobal();         /* initialize some global variables */
3911
3912   if (options.execute_command)
3913     Execute_Command(options.execute_command);
3914
3915   if (options.serveronly)
3916   {
3917 #if defined(PLATFORM_UNIX)
3918     NetworkServer(options.server_port, options.serveronly);
3919 #else
3920     Error(ERR_WARN, "networking only supported in Unix version");
3921 #endif
3922     exit(0);    /* never reached */
3923   }
3924
3925   InitSetup();
3926
3927   InitPlayerInfo();
3928   InitArtworkInfo();            /* needed before loading gfx, sound & music */
3929   InitArtworkConfig();          /* needed before forking sound child process */
3930   InitMixer();
3931
3932   InitCounter();
3933
3934   InitRND(NEW_RANDOMIZE);
3935   InitSimpleRND(NEW_RANDOMIZE);
3936
3937   InitJoysticks();
3938
3939   InitVideoDisplay();
3940   InitVideoBuffer(&backbuffer, &window, WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH,
3941                   setup.fullscreen);
3942
3943   InitEventFilter(FilterMouseMotionEvents);
3944
3945   InitElementPropertiesStatic();
3946   InitElementPropertiesEngine(GAME_VERSION_ACTUAL);
3947
3948   InitGfx();
3949
3950   InitLevelInfo();
3951   InitLevelArtworkInfo();
3952
3953   InitImages();                 /* needs to know current level directory */
3954   InitSound(NULL);              /* needs to know current level directory */
3955   InitMusic(NULL);              /* needs to know current level directory */
3956
3957   InitGfxBackground();
3958
3959   if (global.autoplay_leveldir)
3960   {
3961     AutoPlayTape();
3962     return;
3963   }
3964
3965   game_status = GAME_MODE_MAIN;
3966
3967   DrawMainMenu();
3968
3969   InitNetworkServer();
3970 }
3971
3972 void CloseAllAndExit(int exit_value)
3973 {
3974   StopSounds();
3975   FreeAllSounds();
3976   FreeAllMusic();
3977   CloseAudio();         /* called after freeing sounds (needed for SDL) */
3978
3979   FreeAllImages();
3980   FreeTileClipmasks();
3981
3982   CloseVideoDisplay();
3983   ClosePlatformDependentStuff();
3984
3985   exit(exit_value);
3986 }