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 static int get_special_property_bit(int element, int property_bit_nr)
1573 {
1574   struct PropertyBitInfo
1575   {
1576     int element;
1577     int bit_nr;
1578   };
1579
1580   static struct PropertyBitInfo pb_can_move_into_acid[] =
1581   {
1582     /* the player may be able fall into acid when gravity is activated */
1583     { EL_PLAYER_1,              0       },
1584     { EL_PLAYER_2,              0       },
1585     { EL_PLAYER_3,              0       },
1586     { EL_PLAYER_4,              0       },
1587     { EL_SP_MURPHY,             0       },
1588
1589     /* all element that can move may be able to also move into acid */
1590     { EL_BUG,                   1       },
1591     { EL_BUG_LEFT,              1       },
1592     { EL_BUG_RIGHT,             1       },
1593     { EL_BUG_UP,                1       },
1594     { EL_BUG_DOWN,              1       },
1595     { EL_SPACESHIP,             2       },
1596     { EL_SPACESHIP_LEFT,        2       },
1597     { EL_SPACESHIP_RIGHT,       2       },
1598     { EL_SPACESHIP_UP,          2       },
1599     { EL_SPACESHIP_DOWN,        2       },
1600     { EL_BD_BUTTERFLY,          3       },
1601     { EL_BD_BUTTERFLY_LEFT,     3       },
1602     { EL_BD_BUTTERFLY_RIGHT,    3       },
1603     { EL_BD_BUTTERFLY_UP,       3       },
1604     { EL_BD_BUTTERFLY_DOWN,     3       },
1605     { EL_BD_FIREFLY,            4       },
1606     { EL_BD_FIREFLY_LEFT,       4       },
1607     { EL_BD_FIREFLY_RIGHT,      4       },
1608     { EL_BD_FIREFLY_UP,         4       },
1609     { EL_BD_FIREFLY_DOWN,       4       },
1610     { EL_YAMYAM,                5       },
1611     { EL_DARK_YAMYAM,           6       },
1612     { EL_ROBOT,                 7       },
1613     { EL_PACMAN,                8       },
1614     { EL_PACMAN_LEFT,           8       },
1615     { EL_PACMAN_RIGHT,          8       },
1616     { EL_PACMAN_UP,             8       },
1617     { EL_PACMAN_DOWN,           8       },
1618     { EL_MOLE,                  9       },
1619     { EL_MOLE_LEFT,             9       },
1620     { EL_MOLE_RIGHT,            9       },
1621     { EL_MOLE_UP,               9       },
1622     { EL_MOLE_DOWN,             9       },
1623     { EL_PENGUIN,               10      },
1624     { EL_PIG,                   11      },
1625     { EL_DRAGON,                12      },
1626     { EL_SATELLITE,             13      },
1627     { EL_SP_SNIKSNAK,           14      },
1628     { EL_SP_ELECTRON,           15      },
1629     { EL_BALLOON,               16      },
1630     { EL_SPRING,                17      },
1631
1632     { -1,                       -1      },
1633   };
1634
1635   static struct PropertyBitInfo pb_dont_collide_with[] =
1636   {
1637     { EL_SP_SNIKSNAK,           0       },
1638     { EL_SP_ELECTRON,           1       },
1639
1640     { -1,                       -1      },
1641   };
1642
1643   static struct
1644   {
1645     int bit_nr;
1646     struct PropertyBitInfo *pb_info;
1647   } pb_definition[] =
1648   {
1649     { EP_CAN_MOVE_INTO_ACID,    pb_can_move_into_acid   },
1650     { EP_DONT_COLLIDE_WITH,     pb_dont_collide_with    },
1651
1652     { -1,                       NULL                    },
1653   };
1654
1655   struct PropertyBitInfo *pb_info = NULL;
1656   int i;
1657
1658   for (i = 0; pb_definition[i].bit_nr != -1; i++)
1659     if (pb_definition[i].bit_nr == property_bit_nr)
1660       pb_info = pb_definition[i].pb_info;
1661
1662   if (pb_info == NULL)
1663     return -1;
1664
1665   for (i = 0; pb_info[i].element != -1; i++)
1666     if (pb_info[i].element == element)
1667       return pb_info[i].bit_nr;
1668
1669   return -1;
1670 }
1671
1672 #if 1
1673 void setBitfieldProperty(int *bitfield, int property_bit_nr, int element,
1674                          boolean property_value)
1675 {
1676   int bit_nr = get_special_property_bit(element, property_bit_nr);
1677
1678   if (bit_nr > -1)
1679   {
1680     if (property_value)
1681       *bitfield |=  (1 << bit_nr);
1682     else
1683       *bitfield &= ~(1 << bit_nr);
1684   }
1685 }
1686
1687 boolean getBitfieldProperty(int *bitfield, int property_bit_nr, int element)
1688 {
1689   int bit_nr = get_special_property_bit(element, property_bit_nr);
1690
1691   if (bit_nr > -1)
1692     return ((*bitfield & (1 << bit_nr)) != 0);
1693
1694   return FALSE;
1695 }
1696
1697 #else
1698
1699 void setMoveIntoAcidProperty(struct LevelInfo *level, int element, boolean set)
1700 {
1701   int bit_nr = get_special_property_bit(element, EP_CAN_MOVE_INTO_ACID);
1702
1703   if (bit_nr > -1)
1704   {
1705     level->can_move_into_acid_bits &= ~(1 << bit_nr);
1706
1707     if (set)
1708       level->can_move_into_acid_bits |= (1 << bit_nr);
1709   }
1710 }
1711
1712 boolean getMoveIntoAcidProperty(struct LevelInfo *level, int element)
1713 {
1714   int bit_nr = get_special_property_bit(element, EP_CAN_MOVE_INTO_ACID);
1715
1716   if (bit_nr > -1)
1717     return ((level->can_move_into_acid_bits & (1 << bit_nr)) != 0);
1718
1719   return FALSE;
1720 }
1721 #endif
1722
1723 void InitElementPropertiesStatic()
1724 {
1725   static int ep_diggable[] =
1726   {
1727     EL_SAND,
1728     EL_SP_BASE,
1729     EL_SP_BUGGY_BASE,
1730     EL_SP_BUGGY_BASE_ACTIVATING,
1731     EL_TRAP,
1732     EL_INVISIBLE_SAND,
1733     EL_INVISIBLE_SAND_ACTIVE,
1734
1735     /* !!! currently not diggable, but handled by 'ep_dont_run_into' !!! */
1736 #if 0
1737     EL_LANDMINE,
1738     EL_TRAP_ACTIVE,
1739     EL_SP_BUGGY_BASE_ACTIVE,
1740 #endif
1741     -1
1742   };
1743
1744   static int ep_collectible_only[] =
1745   {
1746     EL_BD_DIAMOND,
1747     EL_EMERALD,
1748     EL_DIAMOND,
1749     EL_EMERALD_YELLOW,
1750     EL_EMERALD_RED,
1751     EL_EMERALD_PURPLE,
1752     EL_KEY_1,
1753     EL_KEY_2,
1754     EL_KEY_3,
1755     EL_KEY_4,
1756     EL_EM_KEY_1,
1757     EL_EM_KEY_2,
1758     EL_EM_KEY_3,
1759     EL_EM_KEY_4,
1760     EL_DYNAMITE,
1761     EL_DYNABOMB_INCREASE_NUMBER,
1762     EL_DYNABOMB_INCREASE_SIZE,
1763     EL_DYNABOMB_INCREASE_POWER,
1764     EL_SP_INFOTRON,
1765     EL_SP_DISK_RED,
1766     EL_PEARL,
1767     EL_CRYSTAL,
1768     EL_KEY_WHITE,
1769     EL_SHIELD_NORMAL,
1770     EL_SHIELD_DEADLY,
1771     EL_EXTRA_TIME,
1772     EL_ENVELOPE_1,
1773     EL_ENVELOPE_2,
1774     EL_ENVELOPE_3,
1775     EL_ENVELOPE_4,
1776     EL_SPEED_PILL,
1777     -1
1778   };
1779
1780   static int ep_dont_run_into[] =
1781   {
1782     /* same elements as in 'ep_dont_touch' */
1783     EL_BUG,
1784     EL_SPACESHIP,
1785     EL_BD_BUTTERFLY,
1786     EL_BD_FIREFLY,
1787
1788     /* same elements as in 'ep_dont_collide_with' */
1789     EL_YAMYAM,
1790     EL_DARK_YAMYAM,
1791     EL_ROBOT,
1792     EL_PACMAN,
1793     EL_SP_SNIKSNAK,
1794     EL_SP_ELECTRON,
1795
1796     /* new elements */
1797     EL_AMOEBA_DROP,
1798     EL_ACID,
1799
1800     /* !!! maybe this should better be handled by 'ep_diggable' !!! */
1801 #if 1
1802     EL_LANDMINE,
1803     EL_TRAP_ACTIVE,
1804     EL_SP_BUGGY_BASE_ACTIVE,
1805 #endif
1806     -1
1807   };
1808
1809   static int ep_dont_collide_with[] =
1810   {
1811     /* same elements as in 'ep_dont_touch' */
1812     EL_BUG,
1813     EL_SPACESHIP,
1814     EL_BD_BUTTERFLY,
1815     EL_BD_FIREFLY,
1816
1817     /* new elements */
1818     EL_YAMYAM,
1819     EL_DARK_YAMYAM,
1820     EL_ROBOT,
1821     EL_PACMAN,
1822     EL_SP_SNIKSNAK,
1823     EL_SP_ELECTRON,
1824     -1
1825   };
1826
1827   static int ep_dont_touch[] =
1828   {
1829     EL_BUG,
1830     EL_SPACESHIP,
1831     EL_BD_BUTTERFLY,
1832     EL_BD_FIREFLY,
1833     -1
1834   };
1835
1836   static int ep_indestructible[] =
1837   {
1838     EL_STEELWALL,
1839     EL_ACID,
1840     EL_ACID_POOL_TOPLEFT,
1841     EL_ACID_POOL_TOPRIGHT,
1842     EL_ACID_POOL_BOTTOMLEFT,
1843     EL_ACID_POOL_BOTTOM,
1844     EL_ACID_POOL_BOTTOMRIGHT,
1845     EL_SP_HARDWARE_GRAY,
1846     EL_SP_HARDWARE_GREEN,
1847     EL_SP_HARDWARE_BLUE,
1848     EL_SP_HARDWARE_RED,
1849     EL_SP_HARDWARE_YELLOW,
1850     EL_SP_HARDWARE_BASE_1,
1851     EL_SP_HARDWARE_BASE_2,
1852     EL_SP_HARDWARE_BASE_3,
1853     EL_SP_HARDWARE_BASE_4,
1854     EL_SP_HARDWARE_BASE_5,
1855     EL_SP_HARDWARE_BASE_6,
1856     EL_INVISIBLE_STEELWALL,
1857     EL_INVISIBLE_STEELWALL_ACTIVE,
1858     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
1859     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
1860     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
1861     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
1862     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
1863     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
1864     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
1865     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
1866     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
1867     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
1868     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
1869     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
1870     EL_LIGHT_SWITCH,
1871     EL_LIGHT_SWITCH_ACTIVE,
1872     EL_SIGN_EXCLAMATION,
1873     EL_SIGN_RADIOACTIVITY,
1874     EL_SIGN_STOP,
1875     EL_SIGN_WHEELCHAIR,
1876     EL_SIGN_PARKING,
1877     EL_SIGN_ONEWAY,
1878     EL_SIGN_HEART,
1879     EL_SIGN_TRIANGLE,
1880     EL_SIGN_ROUND,
1881     EL_SIGN_EXIT,
1882     EL_SIGN_YINYANG,
1883     EL_SIGN_OTHER,
1884     EL_STEELWALL_SLIPPERY,
1885     EL_EMC_STEELWALL_1,
1886     EL_EMC_STEELWALL_2,
1887     EL_EMC_STEELWALL_3,
1888     EL_EMC_STEELWALL_4,
1889     EL_CRYSTAL,
1890     EL_GATE_1,
1891     EL_GATE_2,
1892     EL_GATE_3,
1893     EL_GATE_4,
1894     EL_GATE_1_GRAY,
1895     EL_GATE_2_GRAY,
1896     EL_GATE_3_GRAY,
1897     EL_GATE_4_GRAY,
1898     EL_EM_GATE_1,
1899     EL_EM_GATE_2,
1900     EL_EM_GATE_3,
1901     EL_EM_GATE_4,
1902     EL_EM_GATE_1_GRAY,
1903     EL_EM_GATE_2_GRAY,
1904     EL_EM_GATE_3_GRAY,
1905     EL_EM_GATE_4_GRAY,
1906     EL_SWITCHGATE_OPEN,
1907     EL_SWITCHGATE_OPENING,
1908     EL_SWITCHGATE_CLOSED,
1909     EL_SWITCHGATE_CLOSING,
1910 #if 0
1911     EL_SWITCHGATE_SWITCH_UP,
1912     EL_SWITCHGATE_SWITCH_DOWN,
1913 #endif
1914     EL_TIMEGATE_OPEN,
1915     EL_TIMEGATE_OPENING,
1916     EL_TIMEGATE_CLOSED,
1917     EL_TIMEGATE_CLOSING,
1918 #if 0
1919     EL_TIMEGATE_SWITCH,
1920     EL_TIMEGATE_SWITCH_ACTIVE,
1921 #endif
1922     EL_TUBE_ANY,
1923     EL_TUBE_VERTICAL,
1924     EL_TUBE_HORIZONTAL,
1925     EL_TUBE_VERTICAL_LEFT,
1926     EL_TUBE_VERTICAL_RIGHT,
1927     EL_TUBE_HORIZONTAL_UP,
1928     EL_TUBE_HORIZONTAL_DOWN,
1929     EL_TUBE_LEFT_UP,
1930     EL_TUBE_LEFT_DOWN,
1931     EL_TUBE_RIGHT_UP,
1932     EL_TUBE_RIGHT_DOWN,
1933     -1
1934   };
1935
1936   static int ep_slippery[] =
1937   {
1938     EL_WALL_SLIPPERY,
1939     EL_BD_WALL,
1940     EL_ROCK,
1941     EL_BD_ROCK,
1942     EL_EMERALD,
1943     EL_BD_DIAMOND,
1944     EL_EMERALD_YELLOW,
1945     EL_EMERALD_RED,
1946     EL_EMERALD_PURPLE,
1947     EL_DIAMOND,
1948     EL_BOMB,
1949     EL_NUT,
1950     EL_ROBOT_WHEEL_ACTIVE,
1951     EL_ROBOT_WHEEL,
1952     EL_TIME_ORB_FULL,
1953     EL_TIME_ORB_EMPTY,
1954     EL_LAMP_ACTIVE,
1955     EL_LAMP,
1956     EL_ACID_POOL_TOPLEFT,
1957     EL_ACID_POOL_TOPRIGHT,
1958     EL_SATELLITE,
1959     EL_SP_ZONK,
1960     EL_SP_INFOTRON,
1961     EL_SP_CHIP_SINGLE,
1962     EL_SP_CHIP_LEFT,
1963     EL_SP_CHIP_RIGHT,
1964     EL_SP_CHIP_TOP,
1965     EL_SP_CHIP_BOTTOM,
1966     EL_SPEED_PILL,
1967     EL_STEELWALL_SLIPPERY,
1968     EL_PEARL,
1969     EL_CRYSTAL,
1970     -1
1971   };
1972
1973   static int ep_can_change[] =
1974   {
1975     -1
1976   };
1977
1978   static int ep_can_move[] =
1979   {
1980     /* same elements as in 'pb_can_move_into_acid' */
1981     EL_BUG,
1982     EL_SPACESHIP,
1983     EL_BD_BUTTERFLY,
1984     EL_BD_FIREFLY,
1985     EL_YAMYAM,
1986     EL_DARK_YAMYAM,
1987     EL_ROBOT,
1988     EL_PACMAN,
1989     EL_MOLE,
1990     EL_PENGUIN,
1991     EL_PIG,
1992     EL_DRAGON,
1993     EL_SATELLITE,
1994     EL_SP_SNIKSNAK,
1995     EL_SP_ELECTRON,
1996     EL_BALLOON,
1997     EL_SPRING,
1998     -1
1999   };
2000
2001   static int ep_can_fall[] =
2002   {
2003     EL_ROCK,
2004     EL_BD_ROCK,
2005     EL_EMERALD,
2006     EL_BD_DIAMOND,
2007     EL_EMERALD_YELLOW,
2008     EL_EMERALD_RED,
2009     EL_EMERALD_PURPLE,
2010     EL_DIAMOND,
2011     EL_BOMB,
2012     EL_NUT,
2013     EL_AMOEBA_DROP,
2014     EL_QUICKSAND_FULL,
2015     EL_MAGIC_WALL_FULL,
2016     EL_BD_MAGIC_WALL_FULL,
2017     EL_TIME_ORB_FULL,
2018     EL_TIME_ORB_EMPTY,
2019     EL_SP_ZONK,
2020     EL_SP_INFOTRON,
2021     EL_SP_DISK_ORANGE,
2022     EL_PEARL,
2023     EL_CRYSTAL,
2024     EL_SPRING,
2025     EL_DX_SUPABOMB,
2026     -1
2027   };
2028
2029   static int ep_can_smash_player[] =
2030   {
2031     EL_ROCK,
2032     EL_BD_ROCK,
2033     EL_EMERALD,
2034     EL_BD_DIAMOND,
2035     EL_EMERALD_YELLOW,
2036     EL_EMERALD_RED,
2037     EL_EMERALD_PURPLE,
2038     EL_DIAMOND,
2039     EL_BOMB,
2040     EL_NUT,
2041     EL_AMOEBA_DROP,
2042     EL_TIME_ORB_FULL,
2043     EL_TIME_ORB_EMPTY,
2044     EL_SP_ZONK,
2045     EL_SP_INFOTRON,
2046     EL_SP_DISK_ORANGE,
2047     EL_PEARL,
2048     EL_CRYSTAL,
2049     EL_SPRING,
2050     EL_DX_SUPABOMB,
2051     -1
2052   };
2053
2054   static int ep_can_smash_enemies[] =
2055   {
2056     EL_ROCK,
2057     EL_BD_ROCK,
2058     EL_SP_ZONK,
2059     -1
2060   };
2061
2062   static int ep_can_smash_everything[] =
2063   {
2064     EL_ROCK,
2065     EL_BD_ROCK,
2066     EL_SP_ZONK,
2067     -1
2068   };
2069
2070   static int ep_can_explode_by_fire[] =
2071   {
2072     /* same elements as in 'ep_can_explode_impact' */
2073     EL_BOMB,
2074     EL_SP_DISK_ORANGE,
2075     EL_DX_SUPABOMB,
2076
2077     /* same elements as in 'ep_can_explode_smashed' */
2078     EL_SATELLITE,
2079     EL_PIG,
2080     EL_DRAGON,
2081     EL_MOLE,
2082
2083     /* new elements */
2084     EL_DYNAMITE_ACTIVE,
2085     EL_DYNAMITE,
2086     EL_DYNABOMB_PLAYER_1_ACTIVE,
2087     EL_DYNABOMB_PLAYER_2_ACTIVE,
2088     EL_DYNABOMB_PLAYER_3_ACTIVE,
2089     EL_DYNABOMB_PLAYER_4_ACTIVE,
2090     EL_DYNABOMB_INCREASE_NUMBER,
2091     EL_DYNABOMB_INCREASE_SIZE,
2092     EL_DYNABOMB_INCREASE_POWER,
2093     EL_SP_DISK_RED_ACTIVE,
2094     EL_BUG,
2095     EL_PENGUIN,
2096     EL_SP_DISK_RED,
2097     EL_SP_DISK_YELLOW,
2098     EL_SP_SNIKSNAK,
2099     EL_SP_ELECTRON,
2100 #if 0
2101     EL_BLACK_ORB,
2102 #endif
2103     -1
2104   };
2105
2106   static int ep_can_explode_smashed[] =
2107   {
2108     /* same elements as in 'ep_can_explode_impact' */
2109     EL_BOMB,
2110     EL_SP_DISK_ORANGE,
2111     EL_DX_SUPABOMB,
2112
2113     /* new elements */
2114     EL_SATELLITE,
2115     EL_PIG,
2116     EL_DRAGON,
2117     EL_MOLE,
2118     -1
2119   };
2120
2121   static int ep_can_explode_impact[] =
2122   {
2123     EL_BOMB,
2124     EL_SP_DISK_ORANGE,
2125     EL_DX_SUPABOMB,
2126     -1
2127   };
2128
2129   static int ep_walkable_over[] =
2130   {
2131     EL_EMPTY_SPACE,
2132     EL_SP_EMPTY_SPACE,
2133     EL_SOKOBAN_FIELD_EMPTY,
2134     EL_EXIT_OPEN,
2135     EL_SP_EXIT_OPEN,
2136     EL_SP_EXIT_OPENING,
2137     EL_GATE_1,
2138     EL_GATE_2,
2139     EL_GATE_3,
2140     EL_GATE_4,
2141     EL_GATE_1_GRAY,
2142     EL_GATE_2_GRAY,
2143     EL_GATE_3_GRAY,
2144     EL_GATE_4_GRAY,
2145     EL_PENGUIN,
2146     EL_PIG,
2147     EL_DRAGON,
2148     -1
2149   };
2150
2151   static int ep_walkable_inside[] =
2152   {
2153     EL_TUBE_ANY,
2154     EL_TUBE_VERTICAL,
2155     EL_TUBE_HORIZONTAL,
2156     EL_TUBE_VERTICAL_LEFT,
2157     EL_TUBE_VERTICAL_RIGHT,
2158     EL_TUBE_HORIZONTAL_UP,
2159     EL_TUBE_HORIZONTAL_DOWN,
2160     EL_TUBE_LEFT_UP,
2161     EL_TUBE_LEFT_DOWN,
2162     EL_TUBE_RIGHT_UP,
2163     EL_TUBE_RIGHT_DOWN,
2164     -1
2165   };
2166
2167   static int ep_walkable_under[] =
2168   {
2169     -1
2170   };
2171
2172   static int ep_passable_over[] =
2173   {
2174     EL_EM_GATE_1,
2175     EL_EM_GATE_2,
2176     EL_EM_GATE_3,
2177     EL_EM_GATE_4,
2178     EL_EM_GATE_1_GRAY,
2179     EL_EM_GATE_2_GRAY,
2180     EL_EM_GATE_3_GRAY,
2181     EL_EM_GATE_4_GRAY,
2182     EL_SWITCHGATE_OPEN,
2183     EL_TIMEGATE_OPEN,
2184     -1
2185   };
2186
2187   static int ep_passable_inside[] =
2188   {
2189     EL_SP_PORT_LEFT,
2190     EL_SP_PORT_RIGHT,
2191     EL_SP_PORT_UP,
2192     EL_SP_PORT_DOWN,
2193     EL_SP_PORT_HORIZONTAL,
2194     EL_SP_PORT_VERTICAL,
2195     EL_SP_PORT_ANY,
2196     EL_SP_GRAVITY_PORT_LEFT,
2197     EL_SP_GRAVITY_PORT_RIGHT,
2198     EL_SP_GRAVITY_PORT_UP,
2199     EL_SP_GRAVITY_PORT_DOWN,
2200     -1
2201   };
2202
2203   static int ep_passable_under[] =
2204   {
2205     -1
2206   };
2207
2208   static int ep_droppable[] =
2209   {
2210     -1
2211   };
2212
2213   static int ep_can_explode_1x1[] =
2214   {
2215     -1
2216   };
2217
2218   static int ep_pushable[] =
2219   {
2220     EL_ROCK,
2221     EL_BOMB,
2222     EL_DX_SUPABOMB,
2223     EL_NUT,
2224     EL_TIME_ORB_EMPTY,
2225     EL_SP_ZONK,
2226     EL_SP_DISK_ORANGE,
2227     EL_SPRING,
2228     EL_BD_ROCK,
2229     EL_SOKOBAN_OBJECT,
2230     EL_SOKOBAN_FIELD_FULL,
2231     EL_SATELLITE,
2232     EL_SP_DISK_YELLOW,
2233     EL_BALLOON,
2234     -1
2235   };
2236
2237   static int ep_can_explode_cross[] =
2238   {
2239     -1
2240   };
2241
2242   static int ep_protected[] =
2243   {
2244     EL_EM_GATE_1,
2245     EL_EM_GATE_2,
2246     EL_EM_GATE_3,
2247     EL_EM_GATE_4,
2248     EL_EM_GATE_1_GRAY,
2249     EL_EM_GATE_2_GRAY,
2250     EL_EM_GATE_3_GRAY,
2251     EL_EM_GATE_4_GRAY,
2252     EL_SWITCHGATE_OPEN,
2253     EL_TIMEGATE_OPEN,
2254     -1
2255   };
2256
2257   static int ep_player[] =
2258   {
2259     EL_PLAYER_1,
2260     EL_PLAYER_2,
2261     EL_PLAYER_3,
2262     EL_PLAYER_4,
2263     EL_SP_MURPHY,
2264     -1
2265   };
2266
2267   static int ep_can_pass_magic_wall[] =
2268   {
2269     EL_ROCK,
2270     EL_BD_ROCK,
2271     EL_EMERALD,
2272     EL_BD_DIAMOND,
2273     EL_EMERALD_YELLOW,
2274     EL_EMERALD_RED,
2275     EL_EMERALD_PURPLE,
2276     EL_DIAMOND,
2277     -1
2278   };
2279
2280   static int ep_switchable[] =
2281   {
2282     EL_ROBOT_WHEEL,
2283     EL_SP_TERMINAL,
2284     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2285     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2286     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2287     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2288     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2289     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2290     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2291     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2292     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2293     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2294     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2295     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2296     EL_SWITCHGATE_SWITCH_UP,
2297     EL_SWITCHGATE_SWITCH_DOWN,
2298     EL_LIGHT_SWITCH,
2299     EL_LIGHT_SWITCH_ACTIVE,
2300     EL_TIMEGATE_SWITCH,
2301     EL_BALLOON_SWITCH_LEFT,
2302     EL_BALLOON_SWITCH_RIGHT,
2303     EL_BALLOON_SWITCH_UP,
2304     EL_BALLOON_SWITCH_DOWN,
2305     EL_BALLOON_SWITCH_ANY,
2306     EL_LAMP,
2307     EL_TIME_ORB_FULL,
2308     -1
2309   };
2310
2311   static int ep_bd_element[] =
2312   {
2313     EL_EMPTY,
2314     EL_SAND,
2315     EL_WALL_SLIPPERY,
2316     EL_BD_WALL,
2317     EL_ROCK,
2318     EL_BD_ROCK,
2319     EL_BD_DIAMOND,
2320     EL_BD_MAGIC_WALL,
2321     EL_EXIT_CLOSED,
2322     EL_EXIT_OPEN,
2323     EL_STEELWALL,
2324     EL_PLAYER_1,
2325     EL_BD_FIREFLY,
2326     EL_BD_FIREFLY_1,
2327     EL_BD_FIREFLY_2,
2328     EL_BD_FIREFLY_3,
2329     EL_BD_FIREFLY_4,
2330     EL_BD_BUTTERFLY,
2331     EL_BD_BUTTERFLY_1,
2332     EL_BD_BUTTERFLY_2,
2333     EL_BD_BUTTERFLY_3,
2334     EL_BD_BUTTERFLY_4,
2335     EL_BD_AMOEBA,
2336     EL_CHAR_QUESTION,
2337     EL_UNKNOWN,
2338     -1
2339   };
2340
2341   static int ep_sp_element[] =
2342   {
2343     /* should always be valid */
2344     EL_EMPTY,
2345
2346     EL_SP_EMPTY,
2347     EL_SP_ZONK,
2348     EL_SP_BASE,
2349     EL_SP_MURPHY,
2350     EL_SP_INFOTRON,
2351     EL_SP_CHIP_SINGLE,
2352     EL_SP_HARDWARE_GRAY,
2353     EL_SP_EXIT_CLOSED,
2354     EL_SP_EXIT_OPEN,
2355     EL_SP_DISK_ORANGE,
2356     EL_SP_PORT_RIGHT,
2357     EL_SP_PORT_DOWN,
2358     EL_SP_PORT_LEFT,
2359     EL_SP_PORT_UP,
2360     EL_SP_GRAVITY_PORT_RIGHT,
2361     EL_SP_GRAVITY_PORT_DOWN,
2362     EL_SP_GRAVITY_PORT_LEFT,
2363     EL_SP_GRAVITY_PORT_UP,
2364     EL_SP_SNIKSNAK,
2365     EL_SP_DISK_YELLOW,
2366     EL_SP_TERMINAL,
2367     EL_SP_DISK_RED,
2368     EL_SP_PORT_VERTICAL,
2369     EL_SP_PORT_HORIZONTAL,
2370     EL_SP_PORT_ANY,
2371     EL_SP_ELECTRON,
2372     EL_SP_BUGGY_BASE,
2373     EL_SP_CHIP_LEFT,
2374     EL_SP_CHIP_RIGHT,
2375     EL_SP_HARDWARE_BASE_1,
2376     EL_SP_HARDWARE_GREEN,
2377     EL_SP_HARDWARE_BLUE,
2378     EL_SP_HARDWARE_RED,
2379     EL_SP_HARDWARE_YELLOW,
2380     EL_SP_HARDWARE_BASE_2,
2381     EL_SP_HARDWARE_BASE_3,
2382     EL_SP_HARDWARE_BASE_4,
2383     EL_SP_HARDWARE_BASE_5,
2384     EL_SP_HARDWARE_BASE_6,
2385     EL_SP_CHIP_TOP,
2386     EL_SP_CHIP_BOTTOM,
2387     /* additional elements that appeared in newer Supaplex levels */
2388     EL_INVISIBLE_WALL,
2389     /* more than one murphy in a level results in an inactive clone */
2390     EL_SP_MURPHY_CLONE,
2391     /* runtime elements*/
2392     EL_SP_DISK_RED_ACTIVE,
2393     EL_SP_TERMINAL_ACTIVE,
2394     EL_SP_BUGGY_BASE_ACTIVATING,
2395     EL_SP_BUGGY_BASE_ACTIVE,
2396     EL_SP_EXIT_OPENING,
2397     EL_SP_EXIT_CLOSING,
2398     -1
2399   };
2400
2401   static int ep_sb_element[] =
2402   {
2403     EL_EMPTY,
2404     EL_STEELWALL,
2405     EL_SOKOBAN_OBJECT,
2406     EL_SOKOBAN_FIELD_EMPTY,
2407     EL_SOKOBAN_FIELD_FULL,
2408     EL_PLAYER_1,
2409     EL_INVISIBLE_STEELWALL,
2410     -1
2411   };
2412
2413   static int ep_gem[] =
2414   {
2415     EL_BD_DIAMOND,
2416     EL_EMERALD,
2417     EL_EMERALD_YELLOW,
2418     EL_EMERALD_RED,
2419     EL_EMERALD_PURPLE,
2420     EL_DIAMOND,
2421     -1
2422   };
2423
2424   static int ep_food_dark_yamyam[] =
2425   {
2426     EL_SAND,
2427     EL_BUG,
2428     EL_SPACESHIP,
2429     EL_BD_BUTTERFLY,
2430     EL_BD_FIREFLY,
2431     EL_YAMYAM,
2432     EL_ROBOT,
2433     EL_PACMAN,
2434     EL_AMOEBA_DROP,
2435     EL_AMOEBA_DEAD,
2436     EL_AMOEBA_WET,
2437     EL_AMOEBA_DRY,
2438     EL_AMOEBA_FULL,
2439     EL_BD_AMOEBA,
2440     EL_EMERALD,
2441     EL_BD_DIAMOND,
2442     EL_EMERALD_YELLOW,
2443     EL_EMERALD_RED,
2444     EL_EMERALD_PURPLE,
2445     EL_DIAMOND,
2446     EL_PEARL,
2447     EL_CRYSTAL,
2448     -1
2449   };
2450
2451   static int ep_food_penguin[] =
2452   {
2453     EL_EMERALD,
2454     EL_BD_DIAMOND,
2455     EL_EMERALD_YELLOW,
2456     EL_EMERALD_RED,
2457     EL_EMERALD_PURPLE,
2458     EL_DIAMOND,
2459     EL_PEARL,
2460     EL_CRYSTAL,
2461     -1
2462   };
2463
2464   static int ep_food_pig[] =
2465   {
2466     EL_EMERALD,
2467     EL_BD_DIAMOND,
2468     EL_EMERALD_YELLOW,
2469     EL_EMERALD_RED,
2470     EL_EMERALD_PURPLE,
2471     EL_DIAMOND,
2472     -1
2473   };
2474
2475   static int ep_historic_wall[] =
2476   {
2477     EL_STEELWALL,
2478     EL_GATE_1,
2479     EL_GATE_2,
2480     EL_GATE_3,
2481     EL_GATE_4,
2482     EL_GATE_1_GRAY,
2483     EL_GATE_2_GRAY,
2484     EL_GATE_3_GRAY,
2485     EL_GATE_4_GRAY,
2486     EL_EM_GATE_1,
2487     EL_EM_GATE_2,
2488     EL_EM_GATE_3,
2489     EL_EM_GATE_4,
2490     EL_EM_GATE_1_GRAY,
2491     EL_EM_GATE_2_GRAY,
2492     EL_EM_GATE_3_GRAY,
2493     EL_EM_GATE_4_GRAY,
2494     EL_EXIT_CLOSED,
2495     EL_EXIT_OPENING,
2496     EL_EXIT_OPEN,
2497     EL_WALL,
2498     EL_WALL_SLIPPERY,
2499     EL_EXPANDABLE_WALL,
2500     EL_EXPANDABLE_WALL_HORIZONTAL,
2501     EL_EXPANDABLE_WALL_VERTICAL,
2502     EL_EXPANDABLE_WALL_ANY,
2503     EL_EXPANDABLE_WALL_GROWING,
2504     EL_BD_WALL,
2505     EL_SP_CHIP_SINGLE,
2506     EL_SP_CHIP_LEFT,
2507     EL_SP_CHIP_RIGHT,
2508     EL_SP_CHIP_TOP,
2509     EL_SP_CHIP_BOTTOM,
2510     EL_SP_HARDWARE_GRAY,
2511     EL_SP_HARDWARE_GREEN,
2512     EL_SP_HARDWARE_BLUE,
2513     EL_SP_HARDWARE_RED,
2514     EL_SP_HARDWARE_YELLOW,
2515     EL_SP_HARDWARE_BASE_1,
2516     EL_SP_HARDWARE_BASE_2,
2517     EL_SP_HARDWARE_BASE_3,
2518     EL_SP_HARDWARE_BASE_4,
2519     EL_SP_HARDWARE_BASE_5,
2520     EL_SP_HARDWARE_BASE_6,
2521     EL_SP_TERMINAL,
2522     EL_SP_TERMINAL_ACTIVE,
2523     EL_SP_EXIT_CLOSED,
2524     EL_SP_EXIT_OPEN,
2525     EL_INVISIBLE_STEELWALL,
2526     EL_INVISIBLE_STEELWALL_ACTIVE,
2527     EL_INVISIBLE_WALL,
2528     EL_INVISIBLE_WALL_ACTIVE,
2529     EL_STEELWALL_SLIPPERY,
2530     EL_EMC_STEELWALL_1,
2531     EL_EMC_STEELWALL_2,
2532     EL_EMC_STEELWALL_3,
2533     EL_EMC_STEELWALL_4,
2534     EL_EMC_WALL_1,
2535     EL_EMC_WALL_2,
2536     EL_EMC_WALL_3,
2537     EL_EMC_WALL_4,
2538     EL_EMC_WALL_5,
2539     EL_EMC_WALL_6,
2540     EL_EMC_WALL_7,
2541     EL_EMC_WALL_8,
2542     -1
2543   };
2544
2545   static int ep_historic_solid[] =
2546   {
2547     EL_WALL,
2548     EL_EXPANDABLE_WALL,
2549     EL_EXPANDABLE_WALL_HORIZONTAL,
2550     EL_EXPANDABLE_WALL_VERTICAL,
2551     EL_EXPANDABLE_WALL_ANY,
2552     EL_BD_WALL,
2553     EL_WALL_SLIPPERY,
2554     EL_EXIT_CLOSED,
2555     EL_EXIT_OPENING,
2556     EL_EXIT_OPEN,
2557     EL_AMOEBA_DEAD,
2558     EL_AMOEBA_WET,
2559     EL_AMOEBA_DRY,
2560     EL_AMOEBA_FULL,
2561     EL_BD_AMOEBA,
2562     EL_QUICKSAND_EMPTY,
2563     EL_QUICKSAND_FULL,
2564     EL_QUICKSAND_FILLING,
2565     EL_QUICKSAND_EMPTYING,
2566     EL_MAGIC_WALL,
2567     EL_MAGIC_WALL_ACTIVE,
2568     EL_MAGIC_WALL_EMPTYING,
2569     EL_MAGIC_WALL_FILLING,
2570     EL_MAGIC_WALL_FULL,
2571     EL_MAGIC_WALL_DEAD,
2572     EL_BD_MAGIC_WALL,
2573     EL_BD_MAGIC_WALL_ACTIVE,
2574     EL_BD_MAGIC_WALL_EMPTYING,
2575     EL_BD_MAGIC_WALL_FULL,
2576     EL_BD_MAGIC_WALL_FILLING,
2577     EL_BD_MAGIC_WALL_DEAD,
2578     EL_GAME_OF_LIFE,
2579     EL_BIOMAZE,
2580     EL_SP_CHIP_SINGLE,
2581     EL_SP_CHIP_LEFT,
2582     EL_SP_CHIP_RIGHT,
2583     EL_SP_CHIP_TOP,
2584     EL_SP_CHIP_BOTTOM,
2585     EL_SP_TERMINAL,
2586     EL_SP_TERMINAL_ACTIVE,
2587     EL_SP_EXIT_CLOSED,
2588     EL_SP_EXIT_OPEN,
2589     EL_INVISIBLE_WALL,
2590     EL_INVISIBLE_WALL_ACTIVE,
2591     EL_SWITCHGATE_SWITCH_UP,
2592     EL_SWITCHGATE_SWITCH_DOWN,
2593     EL_TIMEGATE_SWITCH,
2594     EL_TIMEGATE_SWITCH_ACTIVE,
2595     EL_EMC_WALL_1,
2596     EL_EMC_WALL_2,
2597     EL_EMC_WALL_3,
2598     EL_EMC_WALL_4,
2599     EL_EMC_WALL_5,
2600     EL_EMC_WALL_6,
2601     EL_EMC_WALL_7,
2602     EL_EMC_WALL_8,
2603     EL_WALL_PEARL,
2604     EL_WALL_CRYSTAL,
2605
2606     /* the following elements are a direct copy of "indestructible" elements,
2607        except "EL_ACID", which is "indestructible", but not "solid"! */
2608 #if 0
2609     EL_ACID,
2610 #endif
2611     EL_STEELWALL,
2612     EL_ACID_POOL_TOPLEFT,
2613     EL_ACID_POOL_TOPRIGHT,
2614     EL_ACID_POOL_BOTTOMLEFT,
2615     EL_ACID_POOL_BOTTOM,
2616     EL_ACID_POOL_BOTTOMRIGHT,
2617     EL_SP_HARDWARE_GRAY,
2618     EL_SP_HARDWARE_GREEN,
2619     EL_SP_HARDWARE_BLUE,
2620     EL_SP_HARDWARE_RED,
2621     EL_SP_HARDWARE_YELLOW,
2622     EL_SP_HARDWARE_BASE_1,
2623     EL_SP_HARDWARE_BASE_2,
2624     EL_SP_HARDWARE_BASE_3,
2625     EL_SP_HARDWARE_BASE_4,
2626     EL_SP_HARDWARE_BASE_5,
2627     EL_SP_HARDWARE_BASE_6,
2628     EL_INVISIBLE_STEELWALL,
2629     EL_INVISIBLE_STEELWALL_ACTIVE,
2630     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2631     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2632     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2633     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2634     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2635     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2636     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2637     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2638     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2639     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2640     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2641     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2642     EL_LIGHT_SWITCH,
2643     EL_LIGHT_SWITCH_ACTIVE,
2644     EL_SIGN_EXCLAMATION,
2645     EL_SIGN_RADIOACTIVITY,
2646     EL_SIGN_STOP,
2647     EL_SIGN_WHEELCHAIR,
2648     EL_SIGN_PARKING,
2649     EL_SIGN_ONEWAY,
2650     EL_SIGN_HEART,
2651     EL_SIGN_TRIANGLE,
2652     EL_SIGN_ROUND,
2653     EL_SIGN_EXIT,
2654     EL_SIGN_YINYANG,
2655     EL_SIGN_OTHER,
2656     EL_STEELWALL_SLIPPERY,
2657     EL_EMC_STEELWALL_1,
2658     EL_EMC_STEELWALL_2,
2659     EL_EMC_STEELWALL_3,
2660     EL_EMC_STEELWALL_4,
2661     EL_CRYSTAL,
2662     EL_GATE_1,
2663     EL_GATE_2,
2664     EL_GATE_3,
2665     EL_GATE_4,
2666     EL_GATE_1_GRAY,
2667     EL_GATE_2_GRAY,
2668     EL_GATE_3_GRAY,
2669     EL_GATE_4_GRAY,
2670     EL_EM_GATE_1,
2671     EL_EM_GATE_2,
2672     EL_EM_GATE_3,
2673     EL_EM_GATE_4,
2674     EL_EM_GATE_1_GRAY,
2675     EL_EM_GATE_2_GRAY,
2676     EL_EM_GATE_3_GRAY,
2677     EL_EM_GATE_4_GRAY,
2678     EL_SWITCHGATE_OPEN,
2679     EL_SWITCHGATE_OPENING,
2680     EL_SWITCHGATE_CLOSED,
2681     EL_SWITCHGATE_CLOSING,
2682     EL_TIMEGATE_OPEN,
2683     EL_TIMEGATE_OPENING,
2684     EL_TIMEGATE_CLOSED,
2685     EL_TIMEGATE_CLOSING,
2686     EL_TUBE_ANY,
2687     EL_TUBE_VERTICAL,
2688     EL_TUBE_HORIZONTAL,
2689     EL_TUBE_VERTICAL_LEFT,
2690     EL_TUBE_VERTICAL_RIGHT,
2691     EL_TUBE_HORIZONTAL_UP,
2692     EL_TUBE_HORIZONTAL_DOWN,
2693     EL_TUBE_LEFT_UP,
2694     EL_TUBE_LEFT_DOWN,
2695     EL_TUBE_RIGHT_UP,
2696     EL_TUBE_RIGHT_DOWN,
2697     -1
2698   };
2699
2700   static int ep_classic_enemy[] =
2701   {
2702     EL_BUG,
2703     EL_SPACESHIP,
2704     EL_BD_BUTTERFLY,
2705     EL_BD_FIREFLY,
2706
2707     EL_YAMYAM,
2708     EL_DARK_YAMYAM,
2709     EL_ROBOT,
2710     EL_PACMAN,
2711     EL_SP_SNIKSNAK,
2712     EL_SP_ELECTRON,
2713     -1
2714   };
2715
2716   static int ep_belt[] =
2717   {
2718     EL_CONVEYOR_BELT_1_LEFT,
2719     EL_CONVEYOR_BELT_1_MIDDLE,
2720     EL_CONVEYOR_BELT_1_RIGHT,
2721     EL_CONVEYOR_BELT_2_LEFT,
2722     EL_CONVEYOR_BELT_2_MIDDLE,
2723     EL_CONVEYOR_BELT_2_RIGHT,
2724     EL_CONVEYOR_BELT_3_LEFT,
2725     EL_CONVEYOR_BELT_3_MIDDLE,
2726     EL_CONVEYOR_BELT_3_RIGHT,
2727     EL_CONVEYOR_BELT_4_LEFT,
2728     EL_CONVEYOR_BELT_4_MIDDLE,
2729     EL_CONVEYOR_BELT_4_RIGHT,
2730     -1
2731   };
2732
2733   static int ep_belt_active[] =
2734   {
2735     EL_CONVEYOR_BELT_1_LEFT_ACTIVE,
2736     EL_CONVEYOR_BELT_1_MIDDLE_ACTIVE,
2737     EL_CONVEYOR_BELT_1_RIGHT_ACTIVE,
2738     EL_CONVEYOR_BELT_2_LEFT_ACTIVE,
2739     EL_CONVEYOR_BELT_2_MIDDLE_ACTIVE,
2740     EL_CONVEYOR_BELT_2_RIGHT_ACTIVE,
2741     EL_CONVEYOR_BELT_3_LEFT_ACTIVE,
2742     EL_CONVEYOR_BELT_3_MIDDLE_ACTIVE,
2743     EL_CONVEYOR_BELT_3_RIGHT_ACTIVE,
2744     EL_CONVEYOR_BELT_4_LEFT_ACTIVE,
2745     EL_CONVEYOR_BELT_4_MIDDLE_ACTIVE,
2746     EL_CONVEYOR_BELT_4_RIGHT_ACTIVE,
2747     -1
2748   };
2749
2750   static int ep_belt_switch[] =
2751   {
2752     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2753     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2754     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2755     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2756     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2757     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2758     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2759     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2760     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2761     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2762     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2763     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2764     -1
2765   };
2766
2767   static int ep_tube[] =
2768   {
2769     EL_TUBE_LEFT_UP,
2770     EL_TUBE_LEFT_DOWN,
2771     EL_TUBE_RIGHT_UP,
2772     EL_TUBE_RIGHT_DOWN,
2773     EL_TUBE_HORIZONTAL,
2774     EL_TUBE_HORIZONTAL_UP,
2775     EL_TUBE_HORIZONTAL_DOWN,
2776     EL_TUBE_VERTICAL,
2777     EL_TUBE_VERTICAL_LEFT,
2778     EL_TUBE_VERTICAL_RIGHT,
2779     EL_TUBE_ANY,
2780     -1
2781   };
2782
2783   static int ep_keygate[] =
2784   {
2785     EL_GATE_1,
2786     EL_GATE_2,
2787     EL_GATE_3,
2788     EL_GATE_4,
2789     EL_GATE_1_GRAY,
2790     EL_GATE_2_GRAY,
2791     EL_GATE_3_GRAY,
2792     EL_GATE_4_GRAY,
2793     EL_EM_GATE_1,
2794     EL_EM_GATE_2,
2795     EL_EM_GATE_3,
2796     EL_EM_GATE_4,
2797     EL_EM_GATE_1_GRAY,
2798     EL_EM_GATE_2_GRAY,
2799     EL_EM_GATE_3_GRAY,
2800     EL_EM_GATE_4_GRAY,
2801     -1
2802   };
2803
2804   static int ep_amoeboid[] =
2805   {
2806     EL_AMOEBA_DEAD,
2807     EL_AMOEBA_WET,
2808     EL_AMOEBA_DRY,
2809     EL_AMOEBA_FULL,
2810     EL_BD_AMOEBA,
2811     -1
2812   };
2813
2814   static int ep_amoebalive[] =
2815   {
2816     EL_AMOEBA_WET,
2817     EL_AMOEBA_DRY,
2818     EL_AMOEBA_FULL,
2819     EL_BD_AMOEBA,
2820     -1
2821   };
2822
2823   static int ep_has_content[] =
2824   {
2825     EL_YAMYAM,
2826     EL_AMOEBA_WET,
2827     EL_AMOEBA_DRY,
2828     EL_AMOEBA_FULL,
2829     EL_BD_AMOEBA,
2830     -1
2831   };
2832
2833   static int ep_can_turn_each_move[] =
2834   {
2835     /* !!! do something !!! */
2836     -1
2837   };
2838
2839   static int ep_active_bomb[] =
2840   {
2841     EL_DYNAMITE_ACTIVE,
2842     EL_DYNABOMB_PLAYER_1_ACTIVE,
2843     EL_DYNABOMB_PLAYER_2_ACTIVE,
2844     EL_DYNABOMB_PLAYER_3_ACTIVE,
2845     EL_DYNABOMB_PLAYER_4_ACTIVE,
2846     EL_SP_DISK_RED_ACTIVE,
2847     -1
2848   };
2849
2850   static int ep_inactive[] =
2851   {
2852     EL_EMPTY,
2853     EL_SAND,
2854     EL_WALL,
2855     EL_BD_WALL,
2856     EL_WALL_SLIPPERY,
2857     EL_STEELWALL,
2858     EL_AMOEBA_DEAD,
2859     EL_QUICKSAND_EMPTY,
2860     EL_STONEBLOCK,
2861     EL_ROBOT_WHEEL,
2862     EL_KEY_1,
2863     EL_KEY_2,
2864     EL_KEY_3,
2865     EL_KEY_4,
2866     EL_EM_KEY_1,
2867     EL_EM_KEY_2,
2868     EL_EM_KEY_3,
2869     EL_EM_KEY_4,
2870     EL_GATE_1,
2871     EL_GATE_2,
2872     EL_GATE_3,
2873     EL_GATE_4,
2874     EL_GATE_1_GRAY,
2875     EL_GATE_2_GRAY,
2876     EL_GATE_3_GRAY,
2877     EL_GATE_4_GRAY,
2878     EL_EM_GATE_1,
2879     EL_EM_GATE_2,
2880     EL_EM_GATE_3,
2881     EL_EM_GATE_4,
2882     EL_EM_GATE_1_GRAY,
2883     EL_EM_GATE_2_GRAY,
2884     EL_EM_GATE_3_GRAY,
2885     EL_EM_GATE_4_GRAY,
2886     EL_DYNAMITE,
2887     EL_INVISIBLE_STEELWALL,
2888     EL_INVISIBLE_WALL,
2889     EL_INVISIBLE_SAND,
2890     EL_LAMP,
2891     EL_LAMP_ACTIVE,
2892     EL_WALL_EMERALD,
2893     EL_WALL_DIAMOND,
2894     EL_WALL_BD_DIAMOND,
2895     EL_WALL_EMERALD_YELLOW,
2896     EL_DYNABOMB_INCREASE_NUMBER,
2897     EL_DYNABOMB_INCREASE_SIZE,
2898     EL_DYNABOMB_INCREASE_POWER,
2899 #if 0
2900     EL_SOKOBAN_OBJECT,
2901 #endif
2902     EL_SOKOBAN_FIELD_EMPTY,
2903     EL_SOKOBAN_FIELD_FULL,
2904     EL_WALL_EMERALD_RED,
2905     EL_WALL_EMERALD_PURPLE,
2906     EL_ACID_POOL_TOPLEFT,
2907     EL_ACID_POOL_TOPRIGHT,
2908     EL_ACID_POOL_BOTTOMLEFT,
2909     EL_ACID_POOL_BOTTOM,
2910     EL_ACID_POOL_BOTTOMRIGHT,
2911     EL_MAGIC_WALL,
2912     EL_MAGIC_WALL_DEAD,
2913     EL_BD_MAGIC_WALL,
2914     EL_BD_MAGIC_WALL_DEAD,
2915     EL_AMOEBA_TO_DIAMOND,
2916     EL_BLOCKED,
2917     EL_SP_EMPTY,
2918     EL_SP_BASE,
2919     EL_SP_PORT_RIGHT,
2920     EL_SP_PORT_DOWN,
2921     EL_SP_PORT_LEFT,
2922     EL_SP_PORT_UP,
2923     EL_SP_GRAVITY_PORT_RIGHT,
2924     EL_SP_GRAVITY_PORT_DOWN,
2925     EL_SP_GRAVITY_PORT_LEFT,
2926     EL_SP_GRAVITY_PORT_UP,
2927     EL_SP_PORT_HORIZONTAL,
2928     EL_SP_PORT_VERTICAL,
2929     EL_SP_PORT_ANY,
2930     EL_SP_DISK_RED,
2931 #if 0
2932     EL_SP_DISK_YELLOW,
2933 #endif
2934     EL_SP_CHIP_SINGLE,
2935     EL_SP_CHIP_LEFT,
2936     EL_SP_CHIP_RIGHT,
2937     EL_SP_CHIP_TOP,
2938     EL_SP_CHIP_BOTTOM,
2939     EL_SP_HARDWARE_GRAY,
2940     EL_SP_HARDWARE_GREEN,
2941     EL_SP_HARDWARE_BLUE,
2942     EL_SP_HARDWARE_RED,
2943     EL_SP_HARDWARE_YELLOW,
2944     EL_SP_HARDWARE_BASE_1,
2945     EL_SP_HARDWARE_BASE_2,
2946     EL_SP_HARDWARE_BASE_3,
2947     EL_SP_HARDWARE_BASE_4,
2948     EL_SP_HARDWARE_BASE_5,
2949     EL_SP_HARDWARE_BASE_6,
2950     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2951     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2952     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2953     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2954     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2955     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2956     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2957     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2958     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2959     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2960     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2961     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2962     EL_SIGN_EXCLAMATION,
2963     EL_SIGN_RADIOACTIVITY,
2964     EL_SIGN_STOP,
2965     EL_SIGN_WHEELCHAIR,
2966     EL_SIGN_PARKING,
2967     EL_SIGN_ONEWAY,
2968     EL_SIGN_HEART,
2969     EL_SIGN_TRIANGLE,
2970     EL_SIGN_ROUND,
2971     EL_SIGN_EXIT,
2972     EL_SIGN_YINYANG,
2973     EL_SIGN_OTHER,
2974     EL_STEELWALL_SLIPPERY,
2975     EL_EMC_STEELWALL_1,
2976     EL_EMC_STEELWALL_2,
2977     EL_EMC_STEELWALL_3,
2978     EL_EMC_STEELWALL_4,
2979     EL_EMC_WALL_1,
2980     EL_EMC_WALL_2,
2981     EL_EMC_WALL_3,
2982     EL_EMC_WALL_4,
2983     EL_EMC_WALL_5,
2984     EL_EMC_WALL_6,
2985     EL_EMC_WALL_7,
2986     EL_EMC_WALL_8,
2987     -1
2988   };
2989
2990   static int ep_em_slippery_wall[] =
2991   {
2992     -1
2993   };
2994
2995   static int ep_gfx_crumbled[] =
2996   {
2997     EL_SAND,
2998     EL_LANDMINE,
2999     EL_TRAP,
3000     EL_TRAP_ACTIVE,
3001     -1
3002   };
3003
3004   static struct
3005   {
3006     int *elements;
3007     int property;
3008   } element_properties[] =
3009   {
3010     { ep_diggable,              EP_DIGGABLE             },
3011     { ep_collectible_only,      EP_COLLECTIBLE_ONLY     },
3012     { ep_dont_run_into,         EP_DONT_RUN_INTO        },
3013     { ep_dont_collide_with,     EP_DONT_COLLIDE_WITH    },
3014     { ep_dont_touch,            EP_DONT_TOUCH           },
3015     { ep_indestructible,        EP_INDESTRUCTIBLE       },
3016     { ep_slippery,              EP_SLIPPERY             },
3017     { ep_can_change,            EP_CAN_CHANGE           },
3018     { ep_can_move,              EP_CAN_MOVE             },
3019     { ep_can_fall,              EP_CAN_FALL             },
3020     { ep_can_smash_player,      EP_CAN_SMASH_PLAYER     },
3021     { ep_can_smash_enemies,     EP_CAN_SMASH_ENEMIES    },
3022     { ep_can_smash_everything,  EP_CAN_SMASH_EVERYTHING },
3023     { ep_can_explode_by_fire,   EP_CAN_EXPLODE_BY_FIRE  },
3024     { ep_can_explode_smashed,   EP_CAN_EXPLODE_SMASHED  },
3025     { ep_can_explode_impact,    EP_CAN_EXPLODE_IMPACT   },
3026     { ep_walkable_over,         EP_WALKABLE_OVER        },
3027     { ep_walkable_inside,       EP_WALKABLE_INSIDE      },
3028     { ep_walkable_under,        EP_WALKABLE_UNDER       },
3029     { ep_passable_over,         EP_PASSABLE_OVER        },
3030     { ep_passable_inside,       EP_PASSABLE_INSIDE      },
3031     { ep_passable_under,        EP_PASSABLE_UNDER       },
3032     { ep_droppable,             EP_DROPPABLE            },
3033     { ep_can_explode_1x1,       EP_CAN_EXPLODE_1X1      },
3034     { ep_pushable,              EP_PUSHABLE             },
3035     { ep_can_explode_cross,     EP_CAN_EXPLODE_CROSS    },
3036     { ep_protected,             EP_PROTECTED            },
3037
3038     { ep_player,                EP_PLAYER               },
3039     { ep_can_pass_magic_wall,   EP_CAN_PASS_MAGIC_WALL  },
3040     { ep_switchable,            EP_SWITCHABLE           },
3041     { ep_bd_element,            EP_BD_ELEMENT           },
3042     { ep_sp_element,            EP_SP_ELEMENT           },
3043     { ep_sb_element,            EP_SB_ELEMENT           },
3044     { ep_gem,                   EP_GEM                  },
3045     { ep_food_dark_yamyam,      EP_FOOD_DARK_YAMYAM     },
3046     { ep_food_penguin,          EP_FOOD_PENGUIN         },
3047     { ep_food_pig,              EP_FOOD_PIG             },
3048     { ep_historic_wall,         EP_HISTORIC_WALL        },
3049     { ep_historic_solid,        EP_HISTORIC_SOLID       },
3050     { ep_classic_enemy,         EP_CLASSIC_ENEMY        },
3051     { ep_belt,                  EP_BELT                 },
3052     { ep_belt_active,           EP_BELT_ACTIVE          },
3053     { ep_belt_switch,           EP_BELT_SWITCH          },
3054     { ep_tube,                  EP_TUBE                 },
3055     { ep_keygate,               EP_KEYGATE              },
3056     { ep_amoeboid,              EP_AMOEBOID             },
3057     { ep_amoebalive,            EP_AMOEBALIVE           },
3058     { ep_has_content,           EP_HAS_CONTENT          },
3059     { ep_can_turn_each_move,    EP_CAN_TURN_EACH_MOVE   },
3060     { ep_active_bomb,           EP_ACTIVE_BOMB          },
3061     { ep_inactive,              EP_INACTIVE             },
3062
3063     { ep_em_slippery_wall,      EP_EM_SLIPPERY_WALL     },
3064
3065     { ep_gfx_crumbled,          EP_GFX_CRUMBLED         },
3066
3067     { NULL,                     -1                      }
3068   };
3069
3070   static int copy_properties[][5] =
3071   {
3072     {
3073       EL_BUG,
3074       EL_BUG_LEFT,              EL_BUG_RIGHT,
3075       EL_BUG_UP,                EL_BUG_DOWN
3076     },
3077     {
3078       EL_SPACESHIP,
3079       EL_SPACESHIP_LEFT,        EL_SPACESHIP_RIGHT,
3080       EL_SPACESHIP_UP,          EL_SPACESHIP_DOWN
3081     },
3082     {
3083       EL_BD_BUTTERFLY,
3084       EL_BD_BUTTERFLY_LEFT,     EL_BD_BUTTERFLY_RIGHT,
3085       EL_BD_BUTTERFLY_UP,       EL_BD_BUTTERFLY_DOWN
3086     },
3087     {
3088       EL_BD_FIREFLY,
3089       EL_BD_FIREFLY_LEFT,       EL_BD_FIREFLY_RIGHT,
3090       EL_BD_FIREFLY_UP,         EL_BD_FIREFLY_DOWN
3091     },
3092     {
3093       EL_PACMAN,
3094       EL_PACMAN_LEFT,           EL_PACMAN_RIGHT,
3095       EL_PACMAN_UP,             EL_PACMAN_DOWN
3096     },
3097     {
3098       EL_MOLE,
3099       EL_MOLE_LEFT,             EL_MOLE_RIGHT,
3100       EL_MOLE_UP,               EL_MOLE_DOWN
3101     },
3102     {
3103       -1,
3104       -1, -1, -1, -1
3105     }
3106   };
3107
3108   int i, j, k;
3109
3110   /* always start with reliable default values (element has no properties) */
3111   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
3112     for (j = 0; j < NUM_ELEMENT_PROPERTIES; j++)
3113       SET_PROPERTY(i, j, FALSE);
3114
3115   /* set all base element properties from above array definitions */
3116   for (i = 0; element_properties[i].elements != NULL; i++)
3117     for (j = 0; (element_properties[i].elements)[j] != -1; j++)
3118       SET_PROPERTY((element_properties[i].elements)[j],
3119                    element_properties[i].property, TRUE);
3120
3121   /* copy properties to some elements that are only stored in level file */
3122   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
3123     for (j = 0; copy_properties[j][0] != -1; j++)
3124       if (HAS_PROPERTY(copy_properties[j][0], i))
3125         for (k = 1; k <= 4; k++)
3126           SET_PROPERTY(copy_properties[j][k], i, TRUE);
3127 }
3128
3129 void InitElementPropertiesEngine(int engine_version)
3130 {
3131 #if 0
3132   static int active_properties[] =
3133   {
3134     EP_AMOEBALIVE,
3135     EP_AMOEBOID,
3136     EP_PFORTE,
3137     EP_DONT_COLLIDE_WITH,
3138     EP_MAUER,
3139     EP_CAN_FALL,
3140     EP_CAN_SMASH,
3141     EP_CAN_PASS_MAGIC_WALL,
3142     EP_CAN_MOVE,
3143     EP_DONT_TOUCH,
3144     EP_DONT_RUN_INTO,
3145     EP_GEM,
3146     EP_CAN_EXPLODE_BY_FIRE,
3147     EP_PUSHABLE,
3148     EP_PLAYER,
3149     EP_HAS_CONTENT,
3150     EP_DIGGABLE,
3151     EP_PASSABLE_INSIDE,
3152     EP_OVER_PLAYER,
3153     EP_ACTIVE_BOMB,
3154
3155     EP_BELT,
3156     EP_BELT_ACTIVE,
3157     EP_BELT_SWITCH,
3158     EP_WALKABLE_UNDER,
3159     EP_EM_SLIPPERY_WALL,
3160   };
3161 #endif
3162
3163   static int no_wall_properties[] =
3164   {
3165     EP_DIGGABLE,
3166     EP_COLLECTIBLE_ONLY,
3167     EP_DONT_RUN_INTO,
3168     EP_DONT_COLLIDE_WITH,
3169     EP_CAN_MOVE,
3170     EP_CAN_FALL,
3171     EP_CAN_SMASH_PLAYER,
3172     EP_CAN_SMASH_ENEMIES,
3173     EP_CAN_SMASH_EVERYTHING,
3174     EP_PUSHABLE,
3175
3176     EP_PLAYER,
3177     EP_GEM,
3178     EP_FOOD_DARK_YAMYAM,
3179     EP_FOOD_PENGUIN,
3180     EP_BELT,
3181     EP_BELT_ACTIVE,
3182     EP_TUBE,
3183     EP_AMOEBOID,
3184     EP_AMOEBALIVE,
3185     EP_ACTIVE_BOMB,
3186
3187     EP_ACCESSIBLE,
3188
3189     -1
3190   };
3191
3192   int i, j;
3193
3194 #if 0
3195   InitElementPropertiesStatic();
3196 #endif
3197
3198   /* important: after initialization in InitElementPropertiesStatic(), the
3199      elements are not again initialized to a default value; therefore all
3200      changes have to make sure that they leave the element with a defined
3201      property (which means that conditional property changes must be set to
3202      a reliable default value before) */
3203
3204   /* set all special, combined or engine dependent element properties */
3205   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
3206   {
3207 #if 0
3208     for (j = EP_ACCESSIBLE_OVER; j < NUM_ELEMENT_PROPERTIES; j++)
3209       SET_PROPERTY(i, j, FALSE);
3210 #endif
3211
3212     /* ---------- INACTIVE ------------------------------------------------- */
3213     SET_PROPERTY(i, EP_INACTIVE, (i >= EL_CHAR_START && i <= EL_CHAR_END));
3214
3215     /* ---------- WALKABLE, PASSABLE, ACCESSIBLE --------------------------- */
3216     SET_PROPERTY(i, EP_WALKABLE, (IS_WALKABLE_OVER(i) ||
3217                                   IS_WALKABLE_INSIDE(i) ||
3218                                   IS_WALKABLE_UNDER(i)));
3219
3220     SET_PROPERTY(i, EP_PASSABLE, (IS_PASSABLE_OVER(i) ||
3221                                   IS_PASSABLE_INSIDE(i) ||
3222                                   IS_PASSABLE_UNDER(i)));
3223
3224     SET_PROPERTY(i, EP_ACCESSIBLE_OVER, (IS_WALKABLE_OVER(i) ||
3225                                          IS_PASSABLE_OVER(i)));
3226
3227     SET_PROPERTY(i, EP_ACCESSIBLE_INSIDE, (IS_WALKABLE_INSIDE(i) ||
3228                                            IS_PASSABLE_INSIDE(i)));
3229
3230     SET_PROPERTY(i, EP_ACCESSIBLE_UNDER, (IS_WALKABLE_UNDER(i) ||
3231                                           IS_PASSABLE_UNDER(i)));
3232
3233     SET_PROPERTY(i, EP_ACCESSIBLE, (IS_WALKABLE(i) ||
3234                                     IS_PASSABLE(i)));
3235
3236     /* ---------- COLLECTIBLE ---------------------------------------------- */
3237     SET_PROPERTY(i, EP_COLLECTIBLE, (IS_COLLECTIBLE_ONLY(i) ||
3238                                      IS_DROPPABLE(i)));
3239
3240     /* ---------- SNAPPABLE ------------------------------------------------ */
3241     SET_PROPERTY(i, EP_SNAPPABLE, (IS_DIGGABLE(i) ||
3242                                    IS_COLLECTIBLE(i) ||
3243                                    IS_SWITCHABLE(i) ||
3244                                    i == EL_BD_ROCK));
3245
3246     /* ---------- WALL ----------------------------------------------------- */
3247     SET_PROPERTY(i, EP_WALL, TRUE);     /* default: element is wall */
3248
3249     for (j = 0; no_wall_properties[j] != -1; j++)
3250       if (HAS_PROPERTY(i, no_wall_properties[j]) ||
3251           i >= EL_FIRST_RUNTIME_UNREAL)
3252         SET_PROPERTY(i, EP_WALL, FALSE);
3253
3254     if (IS_HISTORIC_WALL(i))
3255       SET_PROPERTY(i, EP_WALL, TRUE);
3256
3257     /* ---------- SOLID_FOR_PUSHING ---------------------------------------- */
3258     if (engine_version < VERSION_IDENT(2,2,0,0))
3259       SET_PROPERTY(i, EP_SOLID_FOR_PUSHING, IS_HISTORIC_SOLID(i));
3260     else
3261       SET_PROPERTY(i, EP_SOLID_FOR_PUSHING, (!IS_WALKABLE(i) &&
3262                                              !IS_DIGGABLE(i) &&
3263                                              !IS_COLLECTIBLE(i)));
3264
3265 #if 1
3266     /* ---------- PROTECTED ------------------------------------------------ */
3267     if (IS_ACCESSIBLE_INSIDE(i))
3268       SET_PROPERTY(i, EP_PROTECTED, TRUE);
3269 #endif
3270
3271     /* ---------- DRAGONFIRE_PROOF ----------------------------------------- */
3272
3273     if (IS_HISTORIC_SOLID(i) || i == EL_EXPLOSION)
3274       SET_PROPERTY(i, EP_DRAGONFIRE_PROOF, TRUE);
3275     else
3276       SET_PROPERTY(i, EP_DRAGONFIRE_PROOF, (IS_CUSTOM_ELEMENT(i) &&
3277                                             IS_INDESTRUCTIBLE(i)));
3278
3279     /* ---------- EXPLOSION_PROOF ------------------------------------------ */
3280     if (i == EL_FLAMES)
3281       SET_PROPERTY(i, EP_EXPLOSION_PROOF, TRUE);
3282     else if (engine_version < VERSION_IDENT(2,2,0,0))
3283       SET_PROPERTY(i, EP_EXPLOSION_PROOF, IS_INDESTRUCTIBLE(i));
3284     else
3285 #if 1
3286       SET_PROPERTY(i, EP_EXPLOSION_PROOF, (IS_INDESTRUCTIBLE(i) &&
3287                                            (!IS_WALKABLE(i) ||
3288                                             IS_PROTECTED(i))));
3289 #else
3290 #if 1
3291       SET_PROPERTY(i, EP_EXPLOSION_PROOF, (IS_INDESTRUCTIBLE(i) &&
3292                                            !IS_WALKABLE_OVER(i) &&
3293                                            !IS_WALKABLE_UNDER(i)));
3294 #else
3295       SET_PROPERTY(i, EP_EXPLOSION_PROOF, (IS_INDESTRUCTIBLE(i) &&
3296                                            IS_PROTECTED(i)));
3297 #endif
3298 #endif
3299
3300     if (IS_CUSTOM_ELEMENT(i))
3301     {
3302       /* these are additional properties which are initially false when set */
3303
3304       /* ---------- DONT_COLLIDE_WITH / DONT_RUN_INTO ---------------------- */
3305       if (DONT_TOUCH(i))
3306         SET_PROPERTY(i, EP_DONT_COLLIDE_WITH, TRUE);
3307       if (DONT_COLLIDE_WITH(i))
3308         SET_PROPERTY(i, EP_DONT_RUN_INTO, TRUE);
3309
3310       /* ---------- CAN_SMASH_ENEMIES / CAN_SMASH_PLAYER ------------------- */
3311       if (CAN_SMASH_EVERYTHING(i))
3312         SET_PROPERTY(i, EP_CAN_SMASH_ENEMIES, TRUE);
3313       if (CAN_SMASH_ENEMIES(i))
3314         SET_PROPERTY(i, EP_CAN_SMASH_PLAYER, TRUE);
3315     }
3316
3317     /* ---------- CAN_SMASH ------------------------------------------------ */
3318     SET_PROPERTY(i, EP_CAN_SMASH, (CAN_SMASH_PLAYER(i) ||
3319                                    CAN_SMASH_ENEMIES(i) ||
3320                                    CAN_SMASH_EVERYTHING(i)));
3321
3322     /* ---------- CAN_EXPLODE ---------------------------------------------- */
3323     SET_PROPERTY(i, EP_CAN_EXPLODE, (CAN_EXPLODE_BY_FIRE(i) ||
3324                                      CAN_EXPLODE_SMASHED(i) ||
3325                                      CAN_EXPLODE_IMPACT(i)));
3326
3327     /* ---------- CAN_EXPLODE_3X3 ------------------------------------------ */
3328     SET_PROPERTY(i, EP_CAN_EXPLODE_3X3, (CAN_EXPLODE(i) &&
3329                                          !CAN_EXPLODE_1X1(i) &&
3330                                          !CAN_EXPLODE_CROSS(i)));
3331
3332     /* ---------- CAN_EXPLODE_BY_DRAGONFIRE -------------------------------- */
3333     SET_PROPERTY(i, EP_CAN_EXPLODE_BY_DRAGONFIRE, CAN_EXPLODE_BY_FIRE(i));
3334
3335     /* ---------- CAN_EXPLODE_BY_EXPLOSION --------------------------------- */
3336     SET_PROPERTY(i, EP_CAN_EXPLODE_BY_EXPLOSION, (CAN_EXPLODE_BY_FIRE(i) ||
3337                                                   i == EL_BLACK_ORB));
3338
3339     /* ---------- COULD_MOVE_INTO_ACID ------------------------------------- */
3340     SET_PROPERTY(i, EP_COULD_MOVE_INTO_ACID, (ELEM_IS_PLAYER(i) ||
3341                                               CAN_MOVE(i) ||
3342                                               IS_CUSTOM_ELEMENT(i)));
3343
3344     /* ---------- MAYBE_DONT_COLLIDE_WITH ---------------------------------- */
3345     SET_PROPERTY(i, EP_MAYBE_DONT_COLLIDE_WITH, (i == EL_SP_SNIKSNAK ||
3346                                                  i == EL_SP_ELECTRON));
3347
3348     /* ---------- CAN_MOVE_INTO_ACID --------------------------------------- */
3349     if (COULD_MOVE_INTO_ACID(i) && !IS_CUSTOM_ELEMENT(i))
3350       SET_PROPERTY(i, EP_CAN_MOVE_INTO_ACID,
3351                    getMoveIntoAcidProperty(&level, i));
3352
3353     /* ---------- DONT_COLLIDE_WITH ---------------------------------------- */
3354     if (MAYBE_DONT_COLLIDE_WITH(i))
3355       SET_PROPERTY(i, EP_DONT_COLLIDE_WITH,
3356                    getDontCollideWithProperty(&level, i));
3357
3358     /* ---------- SP_PORT -------------------------------------------------- */
3359     SET_PROPERTY(i, EP_SP_PORT, (IS_SP_ELEMENT(i) &&
3360                                  IS_PASSABLE_INSIDE(i)));
3361
3362 #if 0
3363     if (i == EL_CUSTOM_START + 253)
3364       printf("::: %d, %d, %d -> %d\n",
3365              CAN_EXPLODE_1X1(i),
3366              CAN_EXPLODE_3X3(i),
3367              CAN_EXPLODE_CROSS(i),
3368              CAN_EXPLODE(i));
3369 #endif
3370
3371     /* ---------- CAN_CHANGE ----------------------------------------------- */
3372     SET_PROPERTY(i, EP_CAN_CHANGE, FALSE);      /* default: cannot change */
3373     for (j = 0; j < element_info[i].num_change_pages; j++)
3374       if (element_info[i].change_page[j].can_change)
3375         SET_PROPERTY(i, EP_CAN_CHANGE, TRUE);
3376
3377     /* ---------- GFX_CRUMBLED --------------------------------------------- */
3378     SET_PROPERTY(i, EP_GFX_CRUMBLED,
3379                  element_info[i].crumbled[ACTION_DEFAULT] != IMG_EMPTY);
3380   }
3381
3382 #if 0
3383   /* determine inactive elements (used for engine main loop optimization) */
3384   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
3385   {
3386     boolean active = FALSE;
3387
3388     for (j = 0; i < NUM_ELEMENT_PROPERTIES; j++)
3389     {
3390       if (HAS_PROPERTY(i, j))
3391         active = TRUE;
3392     }
3393
3394 #if 0
3395     if (!active)
3396       SET_PROPERTY(i, EP_INACTIVE, TRUE);
3397 #endif
3398   }
3399 #endif
3400
3401   /* dynamically adjust element properties according to game engine version */
3402   {
3403     static int ep_em_slippery_wall[] =
3404     {
3405       EL_STEELWALL,
3406       EL_WALL,
3407       EL_EXPANDABLE_WALL,
3408       EL_EXPANDABLE_WALL_HORIZONTAL,
3409       EL_EXPANDABLE_WALL_VERTICAL,
3410       EL_EXPANDABLE_WALL_ANY,
3411       -1
3412     };
3413
3414     /* special EM style gems behaviour */
3415     for (i = 0; ep_em_slippery_wall[i] != -1; i++)
3416       SET_PROPERTY(ep_em_slippery_wall[i], EP_EM_SLIPPERY_WALL,
3417                    level.em_slippery_gems);
3418
3419     /* "EL_EXPANDABLE_WALL_GROWING" wasn't slippery for EM gems in 2.0.1 */
3420     SET_PROPERTY(EL_EXPANDABLE_WALL_GROWING, EP_EM_SLIPPERY_WALL,
3421                  (level.em_slippery_gems &&
3422                   engine_version > VERSION_IDENT(2,0,1,0)));
3423   }
3424
3425 #if 1
3426   /* set default push delay values (corrected since version 3.0.7-1) */
3427   if (engine_version < VERSION_IDENT(3,0,7,1))
3428   {
3429     game.default_push_delay_fixed = 2;
3430     game.default_push_delay_random = 8;
3431   }
3432   else
3433   {
3434     game.default_push_delay_fixed = 8;
3435     game.default_push_delay_random = 8;
3436   }
3437
3438   /* set uninitialized push delay values of custom elements in older levels */
3439   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
3440   {
3441     int element = EL_CUSTOM_START + i;
3442
3443     if (element_info[element].push_delay_fixed == -1)
3444       element_info[element].push_delay_fixed = game.default_push_delay_fixed;
3445     if (element_info[element].push_delay_random == -1)
3446       element_info[element].push_delay_random = game.default_push_delay_random;
3447   }
3448
3449   /* set some other uninitialized values of custom elements in older levels */
3450   if (engine_version < VERSION_IDENT(3,1,0,0))
3451   {
3452     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
3453     {
3454       int element = EL_CUSTOM_START + i;
3455
3456       element_info[element].access_direction = MV_ALL_DIRECTIONS;
3457
3458       element_info[element].explosion_delay = 17;
3459       element_info[element].ignition_delay = 8;
3460     }
3461   }
3462
3463 #if 0
3464   /* set element properties that were handled incorrectly in older levels */
3465   if (engine_version < VERSION_IDENT(3,1,0,0))
3466   {
3467     SET_PROPERTY(EL_SP_SNIKSNAK, EP_DONT_COLLIDE_WITH, FALSE);
3468     SET_PROPERTY(EL_SP_ELECTRON, EP_DONT_COLLIDE_WITH, FALSE);
3469   }
3470 #endif
3471
3472 #endif
3473
3474   /* this is needed because some graphics depend on element properties */
3475   if (game_status == GAME_MODE_PLAYING)
3476     InitElementGraphicInfo();
3477 }
3478
3479 static void InitGlobal()
3480 {
3481   global.autoplay_leveldir = NULL;
3482
3483   global.frames_per_second = 0;
3484   global.fps_slowdown = FALSE;
3485   global.fps_slowdown_factor = 1;
3486 }
3487
3488 void Execute_Command(char *command)
3489 {
3490   int i;
3491
3492   if (strcmp(command, "print graphicsinfo.conf") == 0)
3493   {
3494     printf("# You can configure additional/alternative image files here.\n");
3495     printf("# (The entries below are default and therefore commented out.)\n");
3496     printf("\n");
3497     printf("%s\n", getFormattedSetupEntry("name", "Classic Graphics"));
3498     printf("\n");
3499     printf("%s\n", getFormattedSetupEntry("sort_priority", "100"));
3500     printf("\n");
3501
3502     for (i = 0; image_config[i].token != NULL; i++)
3503       printf("# %s\n", getFormattedSetupEntry(image_config[i].token,
3504                                               image_config[i].value));
3505
3506     exit(0);
3507   }
3508   else if (strcmp(command, "print soundsinfo.conf") == 0)
3509   {
3510     printf("# You can configure additional/alternative sound files here.\n");
3511     printf("# (The entries below are default and therefore commented out.)\n");
3512     printf("\n");
3513     printf("%s\n", getFormattedSetupEntry("name", "Classic Sounds"));
3514     printf("\n");
3515     printf("%s\n", getFormattedSetupEntry("sort_priority", "100"));
3516     printf("\n");
3517
3518     for (i = 0; sound_config[i].token != NULL; i++)
3519       printf("# %s\n", getFormattedSetupEntry(sound_config[i].token,
3520                                               sound_config[i].value));
3521
3522     exit(0);
3523   }
3524   else if (strcmp(command, "print musicinfo.conf") == 0)
3525   {
3526     printf("# You can configure additional/alternative music files here.\n");
3527     printf("# (The entries below are default and therefore commented out.)\n");
3528     printf("\n");
3529     printf("%s\n", getFormattedSetupEntry("name", "Classic Music"));
3530     printf("\n");
3531     printf("%s\n", getFormattedSetupEntry("sort_priority", "100"));
3532     printf("\n");
3533
3534     for (i = 0; music_config[i].token != NULL; i++)
3535       printf("# %s\n", getFormattedSetupEntry(music_config[i].token,
3536                                               music_config[i].value));
3537
3538     exit(0);
3539   }
3540   else if (strcmp(command, "print editorsetup.conf") == 0)
3541   {
3542     printf("# You can configure your personal editor element list here.\n");
3543     printf("# (The entries below are default and therefore commented out.)\n");
3544     printf("\n");
3545
3546     PrintEditorElementList();
3547
3548     exit(0);
3549   }
3550   else if (strcmp(command, "print helpanim.conf") == 0)
3551   {
3552     printf("# You can configure different element help animations here.\n");
3553     printf("# (The entries below are default and therefore commented out.)\n");
3554     printf("\n");
3555
3556     for (i = 0; helpanim_config[i].token != NULL; i++)
3557     {
3558       printf("# %s\n", getFormattedSetupEntry(helpanim_config[i].token,
3559                                               helpanim_config[i].value));
3560
3561       if (strcmp(helpanim_config[i].token, "end") == 0)
3562         printf("#\n");
3563     }
3564
3565     exit(0);
3566   }
3567   else if (strcmp(command, "print helptext.conf") == 0)
3568   {
3569     printf("# You can configure different element help text here.\n");
3570     printf("# (The entries below are default and therefore commented out.)\n");
3571     printf("\n");
3572
3573     for (i = 0; helptext_config[i].token != NULL; i++)
3574       printf("# %s\n", getFormattedSetupEntry(helptext_config[i].token,
3575                                               helptext_config[i].value));
3576
3577     exit(0);
3578   }
3579   else if (strncmp(command, "dump level ", 11) == 0)
3580   {
3581     char *filename = &command[11];
3582
3583     if (access(filename, F_OK) != 0)
3584       Error(ERR_EXIT, "cannot open file '%s'", filename);
3585
3586     LoadLevelFromFilename(&level, filename);
3587     DumpLevel(&level);
3588
3589     exit(0);
3590   }
3591   else if (strncmp(command, "dump tape ", 10) == 0)
3592   {
3593     char *filename = &command[10];
3594
3595     if (access(filename, F_OK) != 0)
3596       Error(ERR_EXIT, "cannot open file '%s'", filename);
3597
3598     LoadTapeFromFilename(filename);
3599     DumpTape(&tape);
3600
3601     exit(0);
3602   }
3603   else if (strncmp(command, "autoplay ", 9) == 0)
3604   {
3605     char *str_copy = getStringCopy(&command[9]);
3606     char *str_ptr = strchr(str_copy, ' ');
3607
3608     global.autoplay_leveldir = str_copy;
3609     global.autoplay_level_nr = -1;
3610
3611     if (str_ptr != NULL)
3612     {
3613       *str_ptr++ = '\0';                        /* terminate leveldir string */
3614       global.autoplay_level_nr = atoi(str_ptr); /* get level_nr value */
3615     }
3616   }
3617   else
3618   {
3619     Error(ERR_EXIT_HELP, "unrecognized command '%s'", command);
3620   }
3621 }
3622
3623 static void InitSetup()
3624 {
3625   LoadSetup();                                  /* global setup info */
3626
3627   /* set some options from setup file */
3628
3629   if (setup.options.verbose)
3630     options.verbose = TRUE;
3631 }
3632
3633 static void InitPlayerInfo()
3634 {
3635   int i;
3636
3637   /* choose default local player */
3638   local_player = &stored_player[0];
3639
3640   for (i = 0; i < MAX_PLAYERS; i++)
3641     stored_player[i].connected = FALSE;
3642
3643   local_player->connected = TRUE;
3644 }
3645
3646 static void InitArtworkInfo()
3647 {
3648   LoadArtworkInfo();
3649 }
3650
3651 static char *get_string_in_brackets(char *string)
3652 {
3653   char *string_in_brackets = checked_malloc(strlen(string) + 3);
3654
3655   sprintf(string_in_brackets, "[%s]", string);
3656
3657   return string_in_brackets;
3658 }
3659
3660 static char *get_level_id_suffix(int id_nr)
3661 {
3662   char *id_suffix = checked_malloc(1 + 3 + 1);
3663
3664   if (id_nr < 0 || id_nr > 999)
3665     id_nr = 0;
3666
3667   sprintf(id_suffix, ".%03d", id_nr);
3668
3669   return id_suffix;
3670 }
3671
3672 #if 0
3673 static char *get_element_class_token(int element)
3674 {
3675   char *element_class_name = element_info[element].class_name;
3676   char *element_class_token = checked_malloc(strlen(element_class_name) + 3);
3677
3678   sprintf(element_class_token, "[%s]", element_class_name);
3679
3680   return element_class_token;
3681 }
3682
3683 static char *get_action_class_token(int action)
3684 {
3685   char *action_class_name = &element_action_info[action].suffix[1];
3686   char *action_class_token = checked_malloc(strlen(action_class_name) + 3);
3687
3688   sprintf(action_class_token, "[%s]", action_class_name);
3689
3690   return action_class_token;
3691 }
3692 #endif
3693
3694 static void InitArtworkConfig()
3695 {
3696   static char *image_id_prefix[MAX_NUM_ELEMENTS + NUM_FONTS + 1];
3697   static char *sound_id_prefix[2 * MAX_NUM_ELEMENTS + 1];
3698   static char *music_id_prefix[NUM_MUSIC_PREFIXES + 1];
3699   static char *action_id_suffix[NUM_ACTIONS + 1];
3700   static char *direction_id_suffix[NUM_DIRECTIONS + 1];
3701   static char *special_id_suffix[NUM_SPECIAL_GFX_ARGS + 1];
3702   static char *level_id_suffix[MAX_LEVELS + 1];
3703   static char *dummy[1] = { NULL };
3704   static char *ignore_generic_tokens[] =
3705   {
3706     "name",
3707     "sort_priority",
3708     NULL
3709   };
3710   static char **ignore_image_tokens;
3711   static char **ignore_sound_tokens;
3712   static char **ignore_music_tokens;
3713   int num_ignore_generic_tokens;
3714   int num_ignore_image_tokens;
3715   int num_ignore_sound_tokens;
3716   int num_ignore_music_tokens;
3717   int i;
3718
3719   /* dynamically determine list of generic tokens to be ignored */
3720   num_ignore_generic_tokens = 0;
3721   for (i = 0; ignore_generic_tokens[i] != NULL; i++)
3722     num_ignore_generic_tokens++;
3723
3724   /* dynamically determine list of image tokens to be ignored */
3725   num_ignore_image_tokens = num_ignore_generic_tokens;
3726   for (i = 0; image_config_vars[i].token != NULL; i++)
3727     num_ignore_image_tokens++;
3728   ignore_image_tokens =
3729     checked_malloc((num_ignore_image_tokens + 1) * sizeof(char *));
3730   for (i = 0; i < num_ignore_generic_tokens; i++)
3731     ignore_image_tokens[i] = ignore_generic_tokens[i];
3732   for (i = 0; i < num_ignore_image_tokens - num_ignore_generic_tokens; i++)
3733     ignore_image_tokens[num_ignore_generic_tokens + i] =
3734       image_config_vars[i].token;
3735   ignore_image_tokens[num_ignore_image_tokens] = NULL;
3736
3737   /* dynamically determine list of sound tokens to be ignored */
3738   num_ignore_sound_tokens = num_ignore_generic_tokens;
3739   ignore_sound_tokens =
3740     checked_malloc((num_ignore_sound_tokens + 1) * sizeof(char *));
3741   for (i = 0; i < num_ignore_generic_tokens; i++)
3742     ignore_sound_tokens[i] = ignore_generic_tokens[i];
3743   ignore_sound_tokens[num_ignore_sound_tokens] = NULL;
3744
3745   /* dynamically determine list of music tokens to be ignored */
3746   num_ignore_music_tokens = num_ignore_generic_tokens;
3747   ignore_music_tokens =
3748     checked_malloc((num_ignore_music_tokens + 1) * sizeof(char *));
3749   for (i = 0; i < num_ignore_generic_tokens; i++)
3750     ignore_music_tokens[i] = ignore_generic_tokens[i];
3751   ignore_music_tokens[num_ignore_music_tokens] = NULL;
3752
3753   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
3754     image_id_prefix[i] = element_info[i].token_name;
3755   for (i = 0; i < NUM_FONTS; i++)
3756     image_id_prefix[MAX_NUM_ELEMENTS + i] = font_info[i].token_name;
3757   image_id_prefix[MAX_NUM_ELEMENTS + NUM_FONTS] = NULL;
3758
3759   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
3760     sound_id_prefix[i] = element_info[i].token_name;
3761   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
3762     sound_id_prefix[MAX_NUM_ELEMENTS + i] =
3763       get_string_in_brackets(element_info[i].class_name);
3764   sound_id_prefix[2 * MAX_NUM_ELEMENTS] = NULL;
3765
3766   for (i = 0; i < NUM_MUSIC_PREFIXES; i++)
3767     music_id_prefix[i] = music_prefix_info[i].prefix;
3768   music_id_prefix[MAX_LEVELS] = NULL;
3769
3770   for (i = 0; i < NUM_ACTIONS; i++)
3771     action_id_suffix[i] = element_action_info[i].suffix;
3772   action_id_suffix[NUM_ACTIONS] = NULL;
3773
3774   for (i = 0; i < NUM_DIRECTIONS; i++)
3775     direction_id_suffix[i] = element_direction_info[i].suffix;
3776   direction_id_suffix[NUM_DIRECTIONS] = NULL;
3777
3778   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
3779     special_id_suffix[i] = special_suffix_info[i].suffix;
3780   special_id_suffix[NUM_SPECIAL_GFX_ARGS] = NULL;
3781
3782   for (i = 0; i < MAX_LEVELS; i++)
3783     level_id_suffix[i] = get_level_id_suffix(i);
3784   level_id_suffix[MAX_LEVELS] = NULL;
3785
3786   InitImageList(image_config, NUM_IMAGE_FILES, image_config_suffix,
3787                 image_id_prefix, action_id_suffix, direction_id_suffix,
3788                 special_id_suffix, ignore_image_tokens);
3789   InitSoundList(sound_config, NUM_SOUND_FILES, sound_config_suffix,
3790                 sound_id_prefix, action_id_suffix, dummy,
3791                 special_id_suffix, ignore_sound_tokens);
3792   InitMusicList(music_config, NUM_MUSIC_FILES, music_config_suffix,
3793                 music_id_prefix, special_id_suffix, level_id_suffix,
3794                 dummy, ignore_music_tokens);
3795 }
3796
3797 static void InitMixer()
3798 {
3799   OpenAudio();
3800   StartMixer();
3801 }
3802
3803 void InitGfx()
3804 {
3805   char *filename_font_initial = NULL;
3806   Bitmap *bitmap_font_initial = NULL;
3807   int i, j;
3808
3809   /* determine settings for initial font (for displaying startup messages) */
3810   for (i = 0; image_config[i].token != NULL; i++)
3811   {
3812     for (j = 0; j < NUM_INITIAL_FONTS; j++)
3813     {
3814       char font_token[128];
3815       int len_font_token;
3816
3817       sprintf(font_token, "%s_%d", CONFIG_TOKEN_FONT_INITIAL, j + 1);
3818       len_font_token = strlen(font_token);
3819
3820       if (strcmp(image_config[i].token, font_token) == 0)
3821         filename_font_initial = image_config[i].value;
3822       else if (strlen(image_config[i].token) > len_font_token &&
3823                strncmp(image_config[i].token, font_token, len_font_token) == 0)
3824       {
3825         if (strcmp(&image_config[i].token[len_font_token], ".x") == 0)
3826           font_initial[j].src_x = atoi(image_config[i].value);
3827         else if (strcmp(&image_config[i].token[len_font_token], ".y") == 0)
3828           font_initial[j].src_y = atoi(image_config[i].value);
3829         else if (strcmp(&image_config[i].token[len_font_token], ".width") == 0)
3830           font_initial[j].width = atoi(image_config[i].value);
3831         else if (strcmp(&image_config[i].token[len_font_token],".height") == 0)
3832           font_initial[j].height = atoi(image_config[i].value);
3833       }
3834     }
3835   }
3836
3837   for (j = 0; j < NUM_INITIAL_FONTS; j++)
3838   {
3839     font_initial[j].num_chars = DEFAULT_NUM_CHARS_PER_FONT;
3840     font_initial[j].num_chars_per_line = DEFAULT_NUM_CHARS_PER_LINE;
3841   }
3842
3843   if (filename_font_initial == NULL)    /* should not happen */
3844     Error(ERR_EXIT, "cannot get filename for '%s'", CONFIG_TOKEN_FONT_INITIAL);
3845
3846   /* create additional image buffers for double-buffering */
3847   bitmap_db_field = CreateBitmap(FXSIZE, FYSIZE, DEFAULT_DEPTH);
3848   bitmap_db_door  = CreateBitmap(3 * DXSIZE, DYSIZE + VYSIZE, DEFAULT_DEPTH);
3849
3850   /* initialize screen properties */
3851   InitGfxFieldInfo(SX, SY, SXSIZE, SYSIZE,
3852                    REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE,
3853                    bitmap_db_field);
3854   InitGfxDoor1Info(DX, DY, DXSIZE, DYSIZE);
3855   InitGfxDoor2Info(VX, VY, VXSIZE, VYSIZE);
3856   InitGfxScrollbufferInfo(FXSIZE, FYSIZE);
3857
3858   bitmap_font_initial = LoadCustomImage(filename_font_initial);
3859
3860   for (j = 0; j < NUM_INITIAL_FONTS; j++)
3861     font_initial[j].bitmap = bitmap_font_initial;
3862
3863   InitFontGraphicInfo();
3864
3865   DrawInitText(getProgramInitString(), 20, FC_YELLOW);
3866   DrawInitText(PROGRAM_COPYRIGHT_STRING, 50, FC_RED);
3867
3868   DrawInitText("Loading graphics:", 120, FC_GREEN);
3869
3870   InitTileClipmasks();
3871 }
3872
3873 void InitGfxBackground()
3874 {
3875   int x, y;
3876
3877   drawto = backbuffer;
3878   fieldbuffer = bitmap_db_field;
3879   SetDrawtoField(DRAW_BACKBUFFER);
3880
3881   BlitBitmap(graphic_info[IMG_GLOBAL_BORDER].bitmap, backbuffer,
3882              0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
3883   ClearRectangle(backbuffer, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
3884   ClearRectangle(bitmap_db_door, 0, 0, 3 * DXSIZE, DYSIZE + VYSIZE);
3885
3886   for (x = 0; x < MAX_BUF_XSIZE; x++)
3887     for (y = 0; y < MAX_BUF_YSIZE; y++)
3888       redraw[x][y] = 0;
3889   redraw_tiles = 0;
3890   redraw_mask = REDRAW_ALL;
3891 }
3892
3893 static void InitLevelInfo()
3894 {
3895   LoadLevelInfo();                              /* global level info */
3896   LoadLevelSetup_LastSeries();                  /* last played series info */
3897   LoadLevelSetup_SeriesInfo();                  /* last played level info */
3898 }
3899
3900 void InitLevelArtworkInfo()
3901 {
3902   LoadLevelArtworkInfo();
3903 }
3904
3905 static void InitImages()
3906 {
3907 #if 1
3908   setLevelArtworkDir(artwork.gfx_first);
3909 #endif
3910
3911 #if 0
3912   printf("::: InitImages for '%s' ['%s', '%s'] ['%s', '%s']\n",
3913          leveldir_current->identifier,
3914          artwork.gfx_current_identifier,
3915          artwork.gfx_current->identifier,
3916          leveldir_current->graphics_set,
3917          leveldir_current->graphics_path);
3918 #endif
3919
3920   ReloadCustomImages();
3921
3922   LoadCustomElementDescriptions();
3923   LoadSpecialMenuDesignSettings();
3924
3925   ReinitializeGraphics();
3926 }
3927
3928 static void InitSound(char *identifier)
3929 {
3930   if (identifier == NULL)
3931     identifier = artwork.snd_current->identifier;
3932
3933 #if 1
3934   /* set artwork path to send it to the sound server process */
3935   setLevelArtworkDir(artwork.snd_first);
3936 #endif
3937
3938   InitReloadCustomSounds(identifier);
3939   ReinitializeSounds();
3940 }
3941
3942 static void InitMusic(char *identifier)
3943 {
3944   if (identifier == NULL)
3945     identifier = artwork.mus_current->identifier;
3946
3947 #if 1
3948   /* set artwork path to send it to the sound server process */
3949   setLevelArtworkDir(artwork.mus_first);
3950 #endif
3951
3952   InitReloadCustomMusic(identifier);
3953   ReinitializeMusic();
3954 }
3955
3956 void InitNetworkServer()
3957 {
3958 #if defined(PLATFORM_UNIX)
3959   int nr_wanted;
3960 #endif
3961
3962   if (!options.network)
3963     return;
3964
3965 #if defined(PLATFORM_UNIX)
3966   nr_wanted = Request("Choose player", REQ_PLAYER | REQ_STAY_CLOSED);
3967
3968   if (!ConnectToServer(options.server_host, options.server_port))
3969     Error(ERR_EXIT, "cannot connect to network game server");
3970
3971   SendToServer_PlayerName(setup.player_name);
3972   SendToServer_ProtocolVersion();
3973
3974   if (nr_wanted)
3975     SendToServer_NrWanted(nr_wanted);
3976 #endif
3977 }
3978
3979 static char *getNewArtworkIdentifier(int type)
3980 {
3981   static char *leveldir_current_identifier[3] = { NULL, NULL, NULL };
3982   static boolean last_override_level_artwork[3] = { FALSE, FALSE, FALSE };
3983   static boolean last_has_level_artwork_set[3] = { FALSE, FALSE, FALSE };
3984   static boolean initialized[3] = { FALSE, FALSE, FALSE };
3985   TreeInfo *artwork_first_node = ARTWORK_FIRST_NODE(artwork, type);
3986   boolean setup_override_artwork = SETUP_OVERRIDE_ARTWORK(setup, type);
3987   char *setup_artwork_set = SETUP_ARTWORK_SET(setup, type);
3988   char *leveldir_identifier = leveldir_current->identifier;
3989 #if 1
3990   /* !!! setLevelArtworkDir() should be moved to an earlier stage !!! */
3991   char *leveldir_artwork_set = setLevelArtworkDir(artwork_first_node);
3992 #else
3993   char *leveldir_artwork_set = LEVELDIR_ARTWORK_SET(leveldir_current, type);
3994 #endif
3995   boolean has_level_artwork_set = (leveldir_artwork_set != NULL);
3996   char *artwork_current_identifier;
3997   char *artwork_new_identifier = NULL;  /* default: nothing has changed */
3998
3999   /* leveldir_current may be invalid (level group, parent link) */
4000   if (!validLevelSeries(leveldir_current))
4001     return NULL;
4002
4003   /* 1st step: determine artwork set to be activated in descending order:
4004      --------------------------------------------------------------------
4005      1. setup artwork (when configured to override everything else)
4006      2. artwork set configured in "levelinfo.conf" of current level set
4007         (artwork in level directory will have priority when loading later)
4008      3. artwork in level directory (stored in artwork sub-directory)
4009      4. setup artwork (currently configured in setup menu) */
4010
4011   if (setup_override_artwork)
4012     artwork_current_identifier = setup_artwork_set;
4013   else if (leveldir_artwork_set != NULL)
4014     artwork_current_identifier = leveldir_artwork_set;
4015   else if (getTreeInfoFromIdentifier(artwork_first_node, leveldir_identifier))
4016     artwork_current_identifier = leveldir_identifier;
4017   else
4018     artwork_current_identifier = setup_artwork_set;
4019
4020
4021   /* 2nd step: check if it is really needed to reload artwork set
4022      ------------------------------------------------------------ */
4023
4024 #if 0
4025   if (type == ARTWORK_TYPE_GRAPHICS)
4026     printf("::: 0: '%s' ['%s', '%s'] ['%s' ('%s')]\n",
4027            artwork_new_identifier,
4028            ARTWORK_CURRENT_IDENTIFIER(artwork, type),
4029            artwork_current_identifier,
4030            leveldir_current->graphics_set,
4031            leveldir_current->identifier);
4032 #endif
4033
4034   /* ---------- reload if level set and also artwork set has changed ------- */
4035   if (leveldir_current_identifier[type] != leveldir_identifier &&
4036       (last_has_level_artwork_set[type] || has_level_artwork_set))
4037     artwork_new_identifier = artwork_current_identifier;
4038
4039   leveldir_current_identifier[type] = leveldir_identifier;
4040   last_has_level_artwork_set[type] = has_level_artwork_set;
4041
4042 #if 0
4043   if (type == ARTWORK_TYPE_GRAPHICS)
4044     printf("::: 1: '%s'\n", artwork_new_identifier);
4045 #endif
4046
4047   /* ---------- reload if "override artwork" setting has changed ----------- */
4048   if (last_override_level_artwork[type] != setup_override_artwork)
4049     artwork_new_identifier = artwork_current_identifier;
4050
4051   last_override_level_artwork[type] = setup_override_artwork;
4052
4053 #if 0
4054   if (type == ARTWORK_TYPE_GRAPHICS)
4055     printf("::: 2: '%s'\n", artwork_new_identifier);
4056 #endif
4057
4058   /* ---------- reload if current artwork identifier has changed ----------- */
4059   if (strcmp(ARTWORK_CURRENT_IDENTIFIER(artwork, type),
4060              artwork_current_identifier) != 0)
4061     artwork_new_identifier = artwork_current_identifier;
4062
4063   *(&(ARTWORK_CURRENT_IDENTIFIER(artwork, type))) = artwork_current_identifier;
4064
4065 #if 0
4066   if (type == ARTWORK_TYPE_GRAPHICS)
4067     printf("::: 3: '%s'\n", artwork_new_identifier);
4068 #endif
4069
4070   /* ---------- do not reload directly after starting ---------------------- */
4071   if (!initialized[type])
4072     artwork_new_identifier = NULL;
4073
4074   initialized[type] = TRUE;
4075
4076 #if 0
4077   if (type == ARTWORK_TYPE_GRAPHICS)
4078     printf("::: 4: '%s'\n", artwork_new_identifier);
4079 #endif
4080
4081 #if 0
4082   if (type == ARTWORK_TYPE_GRAPHICS)
4083     printf("CHECKING OLD/NEW GFX:\n- OLD: %s\n- NEW: %s ['%s', '%s'] ['%s']\n",
4084            artwork.gfx_current_identifier, artwork_current_identifier,
4085            artwork.gfx_current->identifier, leveldir_current->graphics_set,
4086            artwork_new_identifier);
4087 #endif
4088
4089   return artwork_new_identifier;
4090 }
4091
4092 void ReloadCustomArtwork(int force_reload)
4093 {
4094   char *gfx_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_GRAPHICS);
4095   char *snd_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_SOUNDS);
4096   char *mus_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_MUSIC);
4097   boolean force_reload_gfx = (force_reload & (1 << ARTWORK_TYPE_GRAPHICS));
4098   boolean force_reload_snd = (force_reload & (1 << ARTWORK_TYPE_SOUNDS));
4099   boolean force_reload_mus = (force_reload & (1 << ARTWORK_TYPE_MUSIC));
4100   boolean redraw_screen = FALSE;
4101
4102   if (gfx_new_identifier != NULL || force_reload_gfx)
4103   {
4104 #if 0
4105     printf("RELOADING GRAPHICS '%s' -> '%s' ['%s', '%s']\n",
4106            artwork.gfx_current_identifier,
4107            gfx_new_identifier,
4108            artwork.gfx_current->identifier,
4109            leveldir_current->graphics_set);
4110 #endif
4111
4112     ClearRectangle(window, 0, 0, WIN_XSIZE, WIN_YSIZE);
4113
4114     InitImages();
4115
4116 #if 0
4117     printf("... '%s'\n",
4118            leveldir_current->graphics_set);
4119 #endif
4120
4121     FreeTileClipmasks();
4122     InitTileClipmasks();
4123
4124     redraw_screen = TRUE;
4125   }
4126
4127   if (snd_new_identifier != NULL || force_reload_snd)
4128   {
4129     ClearRectangle(window, 0, 0, WIN_XSIZE, WIN_YSIZE);
4130
4131     InitSound(snd_new_identifier);
4132
4133     redraw_screen = TRUE;
4134   }
4135
4136   if (mus_new_identifier != NULL || force_reload_mus)
4137   {
4138     ClearRectangle(window, 0, 0, WIN_XSIZE, WIN_YSIZE);
4139
4140     InitMusic(mus_new_identifier);
4141
4142     redraw_screen = TRUE;
4143   }
4144
4145   if (redraw_screen)
4146   {
4147     InitGfxBackground();
4148
4149     /* force redraw of (open or closed) door graphics */
4150     SetDoorState(DOOR_OPEN_ALL);
4151     CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
4152   }
4153 }
4154
4155 void KeyboardAutoRepeatOffUnlessAutoplay()
4156 {
4157   if (global.autoplay_leveldir == NULL)
4158     KeyboardAutoRepeatOff();
4159 }
4160
4161
4162 /* ========================================================================= */
4163 /* OpenAll()                                                                 */
4164 /* ========================================================================= */
4165
4166 void OpenAll()
4167 {
4168   InitGlobal();         /* initialize some global variables */
4169
4170   if (options.execute_command)
4171     Execute_Command(options.execute_command);
4172
4173   if (options.serveronly)
4174   {
4175 #if defined(PLATFORM_UNIX)
4176     NetworkServer(options.server_port, options.serveronly);
4177 #else
4178     Error(ERR_WARN, "networking only supported in Unix version");
4179 #endif
4180     exit(0);    /* never reached */
4181   }
4182
4183   InitSetup();
4184
4185   InitPlayerInfo();
4186   InitArtworkInfo();            /* needed before loading gfx, sound & music */
4187   InitArtworkConfig();          /* needed before forking sound child process */
4188   InitMixer();
4189
4190   InitCounter();
4191
4192   InitRND(NEW_RANDOMIZE);
4193   InitSimpleRND(NEW_RANDOMIZE);
4194
4195   InitJoysticks();
4196
4197   InitVideoDisplay();
4198   InitVideoBuffer(&backbuffer, &window, WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH,
4199                   setup.fullscreen);
4200
4201   InitEventFilter(FilterMouseMotionEvents);
4202
4203   InitElementPropertiesStatic();
4204   InitElementPropertiesEngine(GAME_VERSION_ACTUAL);
4205
4206   InitGfx();
4207
4208   InitLevelInfo();
4209   InitLevelArtworkInfo();
4210
4211   InitImages();                 /* needs to know current level directory */
4212   InitSound(NULL);              /* needs to know current level directory */
4213   InitMusic(NULL);              /* needs to know current level directory */
4214
4215   InitGfxBackground();
4216
4217   if (global.autoplay_leveldir)
4218   {
4219     AutoPlayTape();
4220     return;
4221   }
4222
4223   game_status = GAME_MODE_MAIN;
4224
4225   DrawMainMenu();
4226
4227   InitNetworkServer();
4228 }
4229
4230 void CloseAllAndExit(int exit_value)
4231 {
4232   StopSounds();
4233   FreeAllSounds();
4234   FreeAllMusic();
4235   CloseAudio();         /* called after freeing sounds (needed for SDL) */
4236
4237   FreeAllImages();
4238   FreeTileClipmasks();
4239
4240   CloseVideoDisplay();
4241   ClosePlatformDependentStuff();
4242
4243   exit(exit_value);
4244 }