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