src/init.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  https://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // init.c
  10 // ============================================================================
  11
  12 #include "libgame/libgame.h"
  13
  14 #include "init.h"
  15 #include "events.h"
  16 #include "screens.h"
  17 #include "editor.h"
  18 #include "game.h"
  19 #include "tape.h"
  20 #include "tools.h"
  21 #include "files.h"
  22 #include "network.h"
  23 #include "netserv.h"
  24 #include "anim.h"
  25 #include "config.h"
  26
  27 #include "conf_e2g.c"   // include auto-generated data structure definitions
  28 #include "conf_esg.c"   // include auto-generated data structure definitions
  29 #include "conf_e2s.c"   // include auto-generated data structure definitions
  30 #include "conf_fnt.c"   // include auto-generated data structure definitions
  31 #include "conf_g2s.c"   // include auto-generated data structure definitions
  32 #include "conf_g2m.c"   // include auto-generated data structure definitions
  33 #include "conf_act.c"   // include auto-generated data structure definitions
  34
  35
  36 #define CONFIG_TOKEN_FONT_INITIAL               "font.initial"
  37 #define CONFIG_TOKEN_GLOBAL_BUSY_INITIAL        "global.busy_initial"
  38 #define CONFIG_TOKEN_GLOBAL_BUSY                "global.busy"
  39 #define CONFIG_TOKEN_GLOBAL_BUSY_PLAYFIELD      "global.busy_playfield"
  40 #define CONFIG_TOKEN_BACKGROUND                 "background"
  41 #define CONFIG_TOKEN_BACKGROUND_LOADING_INITIAL "background.LOADING_INITIAL"
  42 #define CONFIG_TOKEN_BACKGROUND_LOADING         "background.LOADING"
  43
  44 #define INITIAL_IMG_GLOBAL_BUSY_INITIAL         0
  45 #define INITIAL_IMG_GLOBAL_BUSY                 1
  46 #define INITIAL_IMG_GLOBAL_BUSY_PLAYFIELD       2
  47
  48 #define NUM_INITIAL_IMAGES_BUSY                 3
  49
  50 #define INITIAL_IMG_BACKGROUND                  3
  51 #define INITIAL_IMG_BACKGROUND_LOADING_INITIAL  4
  52 #define INITIAL_IMG_BACKGROUND_LOADING          5
  53
  54 #define NUM_INITIAL_IMAGES                      6
  55
  56
  57 static struct FontBitmapInfo font_initial[NUM_INITIAL_FONTS];
  58 static struct GraphicInfo   image_initial[NUM_INITIAL_IMAGES];
  59
  60 static int copy_properties[][5] =
  61 {
  62   {
  63     EL_BUG,
  64     EL_BUG_LEFT,                EL_BUG_RIGHT,
  65     EL_BUG_UP,                  EL_BUG_DOWN
  66   },
  67   {
  68     EL_SPACESHIP,
  69     EL_SPACESHIP_LEFT,          EL_SPACESHIP_RIGHT,
  70     EL_SPACESHIP_UP,            EL_SPACESHIP_DOWN
  71   },
  72   {
  73     EL_BD_BUTTERFLY,
  74     EL_BD_BUTTERFLY_LEFT,       EL_BD_BUTTERFLY_RIGHT,
  75     EL_BD_BUTTERFLY_UP,         EL_BD_BUTTERFLY_DOWN
  76   },
  77   {
  78     EL_BD_FIREFLY,
  79     EL_BD_FIREFLY_LEFT,         EL_BD_FIREFLY_RIGHT,
  80     EL_BD_FIREFLY_UP,           EL_BD_FIREFLY_DOWN
  81   },
  82   {
  83     EL_PACMAN,
  84     EL_PACMAN_LEFT,             EL_PACMAN_RIGHT,
  85     EL_PACMAN_UP,               EL_PACMAN_DOWN
  86   },
  87   {
  88     EL_YAMYAM,
  89     EL_YAMYAM_LEFT,             EL_YAMYAM_RIGHT,
  90     EL_YAMYAM_UP,               EL_YAMYAM_DOWN
  91   },
  92   {
  93     EL_MOLE,
  94     EL_MOLE_LEFT,               EL_MOLE_RIGHT,
  95     EL_MOLE_UP,                 EL_MOLE_DOWN
  96   },
  97   {
  98     EL_SPRING,
  99     EL_SPRING_LEFT,             EL_SPRING_RIGHT,
 100     EL_SPRING_LEFT,             EL_SPRING_RIGHT,        // (to match array size)
 101   },
 102   {
 103     -1,
 104     -1, -1, -1, -1
 105   }
 106 };
 107
 108
 109 // forward declaration for internal use
 110 static int get_graphic_parameter_value(char *, char *, int);
 111
 112
 113 static int getLoadingBackgroundImage(int graphic)
 114 {
 115   return getImageFromGraphicOrDefault(graphic, INITIAL_IMG_BACKGROUND);
 116 }
 117
 118 static void SetLoadingWindowBackgroundImage(int graphic)
 119 {
 120   SetBackgroundImage(getLoadingBackgroundImage(graphic), REDRAW_ALL);
 121 }
 122
 123 static void SetLoadingBackgroundImage(void)
 124 {
 125   struct GraphicInfo *graphic_info_last = graphic_info;
 126   int background_image = (game_status_last_screen == -1 ?
 127                           INITIAL_IMG_BACKGROUND_LOADING_INITIAL :
 128                           INITIAL_IMG_BACKGROUND_LOADING);
 129
 130   graphic_info = image_initial;
 131
 132   SetDrawDeactivationMask(REDRAW_NONE);
 133   SetDrawBackgroundMask(REDRAW_ALL);
 134
 135   SetLoadingWindowBackgroundImage(background_image);
 136
 137   graphic_info = graphic_info_last;
 138 }
 139
 140 static void DrawInitAnim(boolean only_when_loading)
 141 {
 142   struct GraphicInfo *graphic_info_last = graphic_info;
 143   int graphic = (game_status_last_screen == -1 ?
 144                  INITIAL_IMG_GLOBAL_BUSY_INITIAL :
 145                  game_status == GAME_MODE_LOADING ?
 146                  INITIAL_IMG_GLOBAL_BUSY :
 147                  INITIAL_IMG_GLOBAL_BUSY_PLAYFIELD);
 148   struct MenuPosInfo *busy = (game_status_last_screen == -1 ?
 149                               &init_last.busy_initial :
 150                               game_status == GAME_MODE_LOADING ?
 151                               &init_last.busy :
 152                               &init_last.busy_playfield);
 153   static DelayCounter action_delay = { 0 };
 154   int sync_frame = FrameCounter;
 155   int x, y;
 156
 157   action_delay.value = GameFrameDelay;
 158
 159   // prevent OS (Windows) from complaining about program not responding
 160   CheckQuitEvent();
 161
 162   if (game_status != GAME_MODE_LOADING && only_when_loading)
 163     return;
 164
 165   if (image_initial[graphic].bitmap == NULL || window == NULL)
 166     return;
 167
 168   if (!DelayReached(&action_delay))
 169     return;
 170
 171   if (busy->x == -1)
 172     busy->x = (game_status == GAME_MODE_LOADING ? WIN_XSIZE / 2 : SXSIZE / 2);
 173   if (busy->y == -1)
 174     busy->y = (game_status == GAME_MODE_LOADING ? WIN_YSIZE / 2 : SYSIZE / 2);
 175
 176   x = (game_status == GAME_MODE_LOADING ? 0 : SX) + ALIGNED_TEXT_XPOS(busy);
 177   y = (game_status == GAME_MODE_LOADING ? 0 : SY) + ALIGNED_TEXT_YPOS(busy);
 178
 179   graphic_info = image_initial;
 180
 181   if (sync_frame % image_initial[graphic].anim_delay == 0)
 182   {
 183     Bitmap *src_bitmap;
 184     int src_x, src_y;
 185     int width = graphic_info[graphic].width;
 186     int height = graphic_info[graphic].height;
 187     int frame = getGraphicAnimationFrame(graphic, sync_frame);
 188
 189     ClearRectangleOnBackground(drawto, x, y, width, height);
 190
 191     getFixedGraphicSource(graphic, frame, &src_bitmap, &src_x, &src_y);
 192     BlitBitmapMasked(src_bitmap, drawto, src_x, src_y, width, height, x, y);
 193
 194     BlitBitmap(drawto, window, x, y, width, height, x, y);
 195   }
 196
 197   graphic_info = graphic_info_last;
 198
 199   FrameCounter++;
 200 }
 201
 202 static void DrawProgramInfo(void)
 203 {
 204   int font1_nr = FC_YELLOW;
 205   int font2_nr = FC_RED;
 206   int font2_height = getFontHeight(font2_nr);
 207   int ypos1 = 20;
 208   int ypos2 = 50;
 209   int ypos3 = WIN_YSIZE - 20 - font2_height;
 210
 211   DrawInitText(getProgramInitString(),           ypos1, font1_nr);
 212   DrawInitText(setup.internal.program_copyright, ypos2, font2_nr);
 213   DrawInitText(setup.internal.program_website,   ypos3, font2_nr);
 214 }
 215
 216 static void FreeGadgets(void)
 217 {
 218   FreeLevelEditorGadgets();
 219   FreeGameButtons();
 220   FreeTapeButtons();
 221   FreeToolButtons();
 222   FreeScreenGadgets();
 223 }
 224
 225 void InitGadgets(void)
 226 {
 227   static boolean gadgets_initialized = FALSE;
 228
 229   if (gadgets_initialized)
 230     FreeGadgets();
 231
 232   CreateLevelEditorGadgets();
 233   CreateGameButtons();
 234   CreateTapeButtons();
 235   CreateToolButtons();
 236   CreateScreenGadgets();
 237
 238   InitGadgetsSoundCallback(PlaySoundActivating, PlaySoundSelecting);
 239
 240   gadgets_initialized = TRUE;
 241 }
 242
 243 static void InitElementSmallImagesScaledUp(int graphic)
 244 {
 245   struct GraphicInfo *g = &graphic_info[graphic];
 246
 247   // create small and game tile sized bitmaps (and scale up, if needed)
 248   CreateImageWithSmallImages(graphic, g->scale_up_factor, g->tile_size);
 249 }
 250
 251 static void InitElementSmallImages(void)
 252 {
 253   print_timestamp_init("InitElementSmallImages");
 254
 255   static int special_graphics[] =
 256   {
 257     IMG_FLAMES_1_LEFT,
 258     IMG_FLAMES_2_LEFT,
 259     IMG_FLAMES_3_LEFT,
 260     IMG_FLAMES_1_RIGHT,
 261     IMG_FLAMES_2_RIGHT,
 262     IMG_FLAMES_3_RIGHT,
 263     IMG_FLAMES_1_UP,
 264     IMG_FLAMES_2_UP,
 265     IMG_FLAMES_3_UP,
 266     IMG_FLAMES_1_DOWN,
 267     IMG_FLAMES_2_DOWN,
 268     IMG_FLAMES_3_DOWN,
 269     IMG_EDITOR_ELEMENT_BORDER,
 270     IMG_EDITOR_ELEMENT_BORDER_INPUT,
 271     IMG_EDITOR_CASCADE_LIST,
 272     IMG_EDITOR_CASCADE_LIST_ACTIVE,
 273     -1
 274   };
 275   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
 276   int num_property_mappings = getImageListPropertyMappingSize();
 277   int i;
 278
 279   print_timestamp_time("getImageListPropertyMapping/Size");
 280
 281   print_timestamp_init("InitElementSmallImagesScaledUp (1)");
 282   // initialize normal element images from static configuration
 283   for (i = 0; element_to_graphic[i].element > -1; i++)
 284     InitElementSmallImagesScaledUp(element_to_graphic[i].graphic);
 285   print_timestamp_done("InitElementSmallImagesScaledUp (1)");
 286
 287   // initialize special element images from static configuration
 288   for (i = 0; element_to_special_graphic[i].element > -1; i++)
 289     InitElementSmallImagesScaledUp(element_to_special_graphic[i].graphic);
 290   print_timestamp_time("InitElementSmallImagesScaledUp (2)");
 291
 292   // initialize element images from dynamic configuration
 293   for (i = 0; i < num_property_mappings; i++)
 294     if (property_mapping[i].base_index < MAX_NUM_ELEMENTS)
 295       InitElementSmallImagesScaledUp(property_mapping[i].artwork_index);
 296   print_timestamp_time("InitElementSmallImagesScaledUp (3)");
 297
 298   // initialize special non-element images from above list
 299   for (i = 0; special_graphics[i] > -1; i++)
 300     InitElementSmallImagesScaledUp(special_graphics[i]);
 301   print_timestamp_time("InitElementSmallImagesScaledUp (4)");
 302
 303   print_timestamp_done("InitElementSmallImages");
 304 }
 305
 306 static void InitScaledImagesScaledUp(int graphic)
 307 {
 308   struct GraphicInfo *g = &graphic_info[graphic];
 309
 310   ScaleImage(graphic, g->scale_up_factor);
 311 }
 312
 313 static void InitScaledImages(void)
 314 {
 315   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
 316   int num_property_mappings = getImageListPropertyMappingSize();
 317   int i;
 318
 319   // scale normal images from static configuration, if not already scaled
 320   for (i = 0; i < NUM_IMAGE_FILES; i++)
 321     InitScaledImagesScaledUp(i);
 322
 323   // scale images from dynamic configuration, if not already scaled
 324   for (i = 0; i < num_property_mappings; i++)
 325     InitScaledImagesScaledUp(property_mapping[i].artwork_index);
 326 }
 327
 328 static void InitBitmapPointers(void)
 329 {
 330   int num_images = getImageListSize();
 331   int i;
 332
 333   // standard size bitmap may have changed -- update default bitmap pointer
 334   for (i = 0; i < num_images; i++)
 335     if (graphic_info[i].bitmaps)
 336       graphic_info[i].bitmap = graphic_info[i].bitmaps[IMG_BITMAP_STANDARD];
 337 }
 338
 339 void InitImageTextures(void)
 340 {
 341   static int texture_graphics[] =
 342   {
 343     IMG_GFX_REQUEST_BUTTON_TOUCH_YES,
 344     IMG_GFX_REQUEST_BUTTON_TOUCH_NO,
 345     IMG_GFX_REQUEST_BUTTON_TOUCH_CONFIRM,
 346     IMG_GFX_GAME_BUTTON_TOUCH_STOP,
 347     IMG_GFX_GAME_BUTTON_TOUCH_PAUSE,
 348     IMG_MENU_BUTTON_TOUCH_BACK,
 349     IMG_MENU_BUTTON_TOUCH_NEXT,
 350     IMG_MENU_BUTTON_TOUCH_BACK2,
 351     IMG_MENU_BUTTON_TOUCH_NEXT2,
 352     -1
 353   };
 354   int i, j, k;
 355
 356   FreeAllImageTextures();
 357
 358   for (i = IMG_GLOBAL_BORDER_FIRST; i <= IMG_GLOBAL_BORDER_LAST; i++)
 359     CreateImageTextures(i);
 360
 361   for (i = 0; i < MAX_NUM_TOONS; i++)
 362     CreateImageTextures(IMG_TOON_1 + i);
 363
 364   for (i = 0; i < NUM_GLOBAL_ANIMS; i++)
 365   {
 366     for (j = 0; j < NUM_GLOBAL_ANIM_PARTS_ALL; j++)
 367     {
 368       for (k = 0; k < NUM_SPECIAL_GFX_ARGS; k++)
 369       {
 370         int graphic = global_anim_info[i].graphic[j][k];
 371
 372         if (graphic == IMG_UNDEFINED)
 373           continue;
 374
 375         CreateImageTextures(graphic);
 376       }
 377     }
 378   }
 379
 380   for (i = 0; texture_graphics[i] > -1; i++)
 381     CreateImageTextures(texture_graphics[i]);
 382 }
 383
 384 static int getFontSpecialSuffix(void)
 385 {
 386   int special = -1;
 387
 388   // (special case: do not use special font for GAME_MODE_LOADING)
 389   if (game_status >= GAME_MODE_TITLE_INITIAL &&
 390       game_status <= GAME_MODE_PSEUDO_PREVIEW)
 391     special = game_status;
 392   else if (game_status == GAME_MODE_PSEUDO_TYPENAME)
 393     special = GFX_SPECIAL_ARG_MAIN;
 394   else if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
 395     special = GFX_SPECIAL_ARG_NAMES;
 396
 397   return special;
 398 }
 399
 400 static int getFontBitmapID(int font_nr)
 401 {
 402   int special = getFontSpecialSuffix();
 403
 404   if (special != -1)
 405     return font_info[font_nr].special_bitmap_id[special];
 406   else
 407     return font_nr;
 408 }
 409
 410 static int getFontFromToken(char *token)
 411 {
 412   char *value = getHashEntry(font_token_hash, token);
 413
 414   if (value != NULL)
 415     return atoi(value);
 416
 417   // if font not found, use reliable default value
 418   return FONT_INITIAL_1;
 419 }
 420
 421 static char *getTokenFromFont(int font_nr)
 422 {
 423   static char *token = NULL;
 424   int special = getFontSpecialSuffix();
 425
 426   checked_free(token);
 427
 428   if (special != -1)
 429     token = getStringCat2(font_info[font_nr].token_name,
 430                           special_suffix_info[special].suffix);
 431   else
 432     token = getStringCopy(font_info[font_nr].token_name);
 433
 434   return token;
 435 }
 436
 437 static void InitFontGraphicInfo(void)
 438 {
 439   static struct FontBitmapInfo *font_bitmap_info = NULL;
 440   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
 441   int num_property_mappings = getImageListPropertyMappingSize();
 442   int num_font_bitmaps = NUM_FONTS;
 443   int i, j;
 444
 445   if (graphic_info == NULL)             // still at startup phase
 446   {
 447     InitFontInfo(font_initial, NUM_INITIAL_FONTS,
 448                  getFontBitmapID, getFontFromToken, getTokenFromFont);
 449
 450     return;
 451   }
 452
 453   // ---------- initialize font graphic definitions ----------
 454
 455   // always start with reliable default values (normal font graphics)
 456   for (i = 0; i < NUM_FONTS; i++)
 457     font_info[i].graphic = IMG_FONT_INITIAL_1;
 458
 459   // initialize normal font/graphic mapping from static configuration
 460   for (i = 0; font_to_graphic[i].font_nr > -1; i++)
 461   {
 462     int font_nr = font_to_graphic[i].font_nr;
 463     int special = font_to_graphic[i].special;
 464     int graphic = font_to_graphic[i].graphic;
 465
 466     if (special != -1)
 467       continue;
 468
 469     font_info[font_nr].graphic = graphic;
 470   }
 471
 472   // always start with reliable default values (special font graphics)
 473   for (i = 0; i < NUM_FONTS; i++)
 474   {
 475     for (j = 0; j < NUM_SPECIAL_GFX_ARGS; j++)
 476     {
 477       font_info[i].special_graphic[j] = font_info[i].graphic;
 478       font_info[i].special_bitmap_id[j] = i;
 479     }
 480   }
 481
 482   // initialize special font/graphic mapping from static configuration
 483   for (i = 0; font_to_graphic[i].font_nr > -1; i++)
 484   {
 485     int font_nr      = font_to_graphic[i].font_nr;
 486     int special      = font_to_graphic[i].special;
 487     int graphic      = font_to_graphic[i].graphic;
 488     int base_graphic = font2baseimg(font_nr);
 489
 490     if (IS_SPECIAL_GFX_ARG(special))
 491     {
 492       boolean base_redefined =
 493         getImageListEntryFromImageID(base_graphic)->redefined;
 494       boolean special_redefined =
 495         getImageListEntryFromImageID(graphic)->redefined;
 496       boolean special_cloned = (graphic_info[graphic].clone_from != -1);
 497
 498       /* if the base font ("font.title_1", for example) has been redefined,
 499          but not the special font ("font.title_1.LEVELS", for example), do not
 500          use an existing (in this case considered obsolete) special font
 501          anymore, but use the automatically determined default font */
 502       /* special case: cloned special fonts must be explicitly redefined,
 503          but are not automatically redefined by redefining base font */
 504       if (base_redefined && !special_redefined && !special_cloned)
 505         continue;
 506
 507       font_info[font_nr].special_graphic[special] = graphic;
 508       font_info[font_nr].special_bitmap_id[special] = num_font_bitmaps;
 509       num_font_bitmaps++;
 510     }
 511   }
 512
 513   // initialize special font/graphic mapping from dynamic configuration
 514   for (i = 0; i < num_property_mappings; i++)
 515   {
 516     int font_nr = property_mapping[i].base_index - MAX_NUM_ELEMENTS;
 517     int special = property_mapping[i].ext3_index;
 518     int graphic = property_mapping[i].artwork_index;
 519
 520     if (font_nr < 0 || font_nr >= NUM_FONTS)
 521       continue;
 522
 523     if (IS_SPECIAL_GFX_ARG(special))
 524     {
 525       font_info[font_nr].special_graphic[special] = graphic;
 526       font_info[font_nr].special_bitmap_id[special] = num_font_bitmaps;
 527       num_font_bitmaps++;
 528     }
 529   }
 530
 531   /* correct special font/graphic mapping for cloned fonts for downwards
 532      compatibility of PREVIEW fonts -- this is only needed for implicit
 533      redefinition of special font by redefined base font, and only if other
 534      fonts are cloned from this special font (like in the "Zelda" level set) */
 535   for (i = 0; font_to_graphic[i].font_nr > -1; i++)
 536   {
 537     int font_nr = font_to_graphic[i].font_nr;
 538     int special = font_to_graphic[i].special;
 539     int graphic = font_to_graphic[i].graphic;
 540
 541     if (IS_SPECIAL_GFX_ARG(special))
 542     {
 543       boolean special_redefined =
 544         getImageListEntryFromImageID(graphic)->redefined;
 545       boolean special_cloned = (graphic_info[graphic].clone_from != -1);
 546
 547       if (special_cloned && !special_redefined)
 548       {
 549         int j;
 550
 551         for (j = 0; font_to_graphic[j].font_nr > -1; j++)
 552         {
 553           int font_nr2 = font_to_graphic[j].font_nr;
 554           int special2 = font_to_graphic[j].special;
 555           int graphic2 = font_to_graphic[j].graphic;
 556
 557           if (IS_SPECIAL_GFX_ARG(special2) &&
 558               graphic2 == graphic_info[graphic].clone_from)
 559           {
 560             font_info[font_nr].special_graphic[special] =
 561               font_info[font_nr2].special_graphic[special2];
 562             font_info[font_nr].special_bitmap_id[special] =
 563               font_info[font_nr2].special_bitmap_id[special2];
 564           }
 565         }
 566       }
 567     }
 568   }
 569
 570   // reset non-redefined ".active" font graphics if normal font is redefined
 571   // (this different treatment is needed because normal and active fonts are
 572   // independently defined ("active" is not a property of font definitions!)
 573   for (i = 0; i < NUM_FONTS; i++)
 574   {
 575     int font_nr_base = i;
 576     int font_nr_active = FONT_ACTIVE(font_nr_base);
 577
 578     // check only those fonts with exist as normal and ".active" variant
 579     if (font_nr_base != font_nr_active)
 580     {
 581       int base_graphic = font_info[font_nr_base].graphic;
 582       int active_graphic = font_info[font_nr_active].graphic;
 583       boolean base_redefined =
 584         getImageListEntryFromImageID(base_graphic)->redefined;
 585       boolean active_redefined =
 586         getImageListEntryFromImageID(active_graphic)->redefined;
 587
 588       /* if the base font ("font.menu_1", for example) has been redefined,
 589          but not the active font ("font.menu_1.active", for example), do not
 590          use an existing (in this case considered obsolete) active font
 591          anymore, but use the automatically determined default font */
 592       if (base_redefined && !active_redefined)
 593         font_info[font_nr_active].graphic = base_graphic;
 594
 595       // now also check each "special" font (which may be the same as above)
 596       for (j = 0; j < NUM_SPECIAL_GFX_ARGS; j++)
 597       {
 598         int base_graphic = font_info[font_nr_base].special_graphic[j];
 599         int active_graphic = font_info[font_nr_active].special_graphic[j];
 600         boolean base_redefined =
 601           getImageListEntryFromImageID(base_graphic)->redefined;
 602         boolean active_redefined =
 603           getImageListEntryFromImageID(active_graphic)->redefined;
 604
 605         // same as above, but check special graphic definitions, for example:
 606         // redefined "font.menu_1.MAIN" invalidates "font.menu_1.active.MAIN"
 607         if (base_redefined && !active_redefined)
 608         {
 609           font_info[font_nr_active].special_graphic[j] =
 610             font_info[font_nr_base].special_graphic[j];
 611           font_info[font_nr_active].special_bitmap_id[j] =
 612             font_info[font_nr_base].special_bitmap_id[j];
 613         }
 614       }
 615     }
 616   }
 617
 618   // ---------- initialize font bitmap array ----------
 619
 620   if (font_bitmap_info != NULL)
 621     FreeFontInfo(font_bitmap_info);
 622
 623   font_bitmap_info =
 624     checked_calloc(num_font_bitmaps * sizeof(struct FontBitmapInfo));
 625
 626   // ---------- initialize font bitmap definitions ----------
 627
 628   for (i = 0; i < NUM_FONTS; i++)
 629   {
 630     if (i < NUM_INITIAL_FONTS)
 631     {
 632       font_bitmap_info[i] = font_initial[i];
 633       continue;
 634     }
 635
 636     for (j = 0; j < NUM_SPECIAL_GFX_ARGS; j++)
 637     {
 638       int font_bitmap_id = font_info[i].special_bitmap_id[j];
 639       int graphic = font_info[i].special_graphic[j];
 640
 641       // set 'graphic_info' for font entries, if uninitialized (guessed)
 642       if (graphic_info[graphic].anim_frames < MIN_NUM_CHARS_PER_FONT)
 643       {
 644         graphic_info[graphic].anim_frames = DEFAULT_NUM_CHARS_PER_FONT;
 645         graphic_info[graphic].anim_frames_per_line = DEFAULT_NUM_CHARS_PER_LINE;
 646       }
 647
 648       // copy font relevant information from graphics information
 649       font_bitmap_info[font_bitmap_id].bitmap = graphic_info[graphic].bitmap;
 650       font_bitmap_info[font_bitmap_id].src_x  = graphic_info[graphic].src_x;
 651       font_bitmap_info[font_bitmap_id].src_y  = graphic_info[graphic].src_y;
 652       font_bitmap_info[font_bitmap_id].width  = graphic_info[graphic].width;
 653       font_bitmap_info[font_bitmap_id].height = graphic_info[graphic].height;
 654
 655       font_bitmap_info[font_bitmap_id].offset_x =
 656         graphic_info[graphic].offset_x;
 657       font_bitmap_info[font_bitmap_id].offset_y =
 658         graphic_info[graphic].offset_y;
 659
 660       font_bitmap_info[font_bitmap_id].draw_xoffset =
 661         graphic_info[graphic].draw_xoffset;
 662       font_bitmap_info[font_bitmap_id].draw_yoffset =
 663         graphic_info[graphic].draw_yoffset;
 664
 665       font_bitmap_info[font_bitmap_id].num_chars =
 666         graphic_info[graphic].anim_frames;
 667       font_bitmap_info[font_bitmap_id].num_chars_per_line =
 668         graphic_info[graphic].anim_frames_per_line;
 669     }
 670   }
 671
 672   InitFontInfo(font_bitmap_info, num_font_bitmaps,
 673                getFontBitmapID, getFontFromToken, getTokenFromFont);
 674 }
 675
 676 static void InitGlobalAnimGraphicInfo(void)
 677 {
 678   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
 679   int num_property_mappings = getImageListPropertyMappingSize();
 680   int i, j, k;
 681
 682   if (graphic_info == NULL)             // still at startup phase
 683     return;
 684
 685   // always start with reliable default values (no global animations)
 686   for (i = 0; i < NUM_GLOBAL_ANIM_TOKENS; i++)
 687     for (j = 0; j < NUM_GLOBAL_ANIM_PARTS_ALL; j++)
 688       for (k = 0; k < NUM_SPECIAL_GFX_ARGS; k++)
 689         global_anim_info[i].graphic[j][k] = IMG_UNDEFINED;
 690
 691   // initialize global animation definitions from static configuration
 692   for (i = 0; i < NUM_GLOBAL_ANIM_TOKENS; i++)
 693   {
 694     int j = GLOBAL_ANIM_ID_PART_BASE;
 695     int k = GFX_SPECIAL_ARG_DEFAULT;
 696
 697     global_anim_info[i].graphic[j][k] = IMG_GFX_GLOBAL_ANIM_1 + i;
 698   }
 699
 700   // initialize global animation definitions from dynamic configuration
 701   for (i = 0; i < num_property_mappings; i++)
 702   {
 703     int anim_nr = property_mapping[i].base_index - MAX_NUM_ELEMENTS - NUM_FONTS;
 704     int part_nr = property_mapping[i].ext1_index - ACTION_PART_1;
 705     int special = property_mapping[i].ext3_index;
 706     int graphic = property_mapping[i].artwork_index;
 707
 708     if (anim_nr < 0 || anim_nr >= NUM_GLOBAL_ANIM_TOKENS)
 709       continue;
 710
 711     // set animation part to base part, if not specified
 712     if (!IS_GLOBAL_ANIM_PART(part_nr))
 713       part_nr = GLOBAL_ANIM_ID_PART_BASE;
 714
 715     // set animation screen to default, if not specified
 716     if (!IS_SPECIAL_GFX_ARG(special))
 717       special = GFX_SPECIAL_ARG_DEFAULT;
 718
 719     global_anim_info[anim_nr].graphic[part_nr][special] = graphic;
 720
 721     // fix default value for ".draw_masked" (for backward compatibility)
 722     struct GraphicInfo *g = &graphic_info[graphic];
 723     struct FileInfo *image = getImageListEntryFromImageID(graphic);
 724     char **parameter_raw = image->parameter;
 725     int p = GFX_ARG_DRAW_MASKED;
 726     int draw_masked = get_graphic_parameter_value(parameter_raw[p],
 727                                                   image_config_suffix[p].token,
 728                                                   image_config_suffix[p].type);
 729
 730     // if ".draw_masked" parameter is undefined, use default value "TRUE"
 731     if (draw_masked == ARG_UNDEFINED_VALUE)
 732       g->draw_masked = TRUE;
 733   }
 734
 735 #if 0
 736   for (i = 0; i < NUM_GLOBAL_ANIMS; i++)
 737     for (j = 0; j < NUM_GLOBAL_ANIM_PARTS_ALL; j++)
 738       for (k = 0; k < NUM_SPECIAL_GFX_ARGS; k++)
 739         if (global_anim_info[i].graphic[j][k] != IMG_UNDEFINED &&
 740             graphic_info[global_anim_info[i].graphic[j][k]].bitmap != NULL)
 741           Debug("init:InitGlobalAnimGraphicInfo",
 742                 "anim %d, part %d, mode %d => %d",
 743                 i, j, k, global_anim_info[i].graphic[j][k]);
 744 #endif
 745 }
 746
 747 static void InitGlobalAnimSoundInfo(void)
 748 {
 749   struct PropertyMapping *property_mapping = getSoundListPropertyMapping();
 750   int num_property_mappings = getSoundListPropertyMappingSize();
 751   int i, j, k;
 752
 753   // always start with reliable default values (no global animation sounds)
 754   for (i = 0; i < NUM_GLOBAL_ANIM_TOKENS; i++)
 755     for (j = 0; j < NUM_GLOBAL_ANIM_PARTS_ALL; j++)
 756       for (k = 0; k < NUM_SPECIAL_GFX_ARGS; k++)
 757         global_anim_info[i].sound[j][k] = SND_UNDEFINED;
 758
 759   // initialize global animation sound definitions from dynamic configuration
 760   for (i = 0; i < num_property_mappings; i++)
 761   {
 762     int anim_nr = property_mapping[i].base_index - 2 * MAX_NUM_ELEMENTS;
 763     int part_nr = property_mapping[i].ext1_index - ACTION_PART_1;
 764     int special = property_mapping[i].ext3_index;
 765     int sound   = property_mapping[i].artwork_index;
 766
 767     // sound uses control definition; map it to position of graphic (artwork)
 768     anim_nr -= GLOBAL_ANIM_ID_CONTROL_FIRST;
 769
 770     if (anim_nr < 0 || anim_nr >= NUM_GLOBAL_ANIM_TOKENS)
 771       continue;
 772
 773     // set animation part to base part, if not specified
 774     if (!IS_GLOBAL_ANIM_PART(part_nr))
 775       part_nr = GLOBAL_ANIM_ID_PART_BASE;
 776
 777     // set animation screen to default, if not specified
 778     if (!IS_SPECIAL_GFX_ARG(special))
 779       special = GFX_SPECIAL_ARG_DEFAULT;
 780
 781     global_anim_info[anim_nr].sound[part_nr][special] = sound;
 782   }
 783
 784 #if 0
 785   for (i = 0; i < NUM_GLOBAL_ANIMS; i++)
 786     for (j = 0; j < NUM_GLOBAL_ANIM_PARTS_ALL; j++)
 787       for (k = 0; k < NUM_SPECIAL_GFX_ARGS; k++)
 788         if (global_anim_info[i].sound[j][k] != SND_UNDEFINED)
 789           Debug("init:InitGlobalAnimSoundInfo",
 790                 "anim %d, part %d, mode %d => %d",
 791                 i, j, k, global_anim_info[i].sound[j][k]);
 792 #endif
 793 }
 794
 795 static void InitGlobalAnimMusicInfo(void)
 796 {
 797   struct PropertyMapping *property_mapping = getMusicListPropertyMapping();
 798   int num_property_mappings = getMusicListPropertyMappingSize();
 799   int i, j, k;
 800
 801   // always start with reliable default values (no global animation music)
 802   for (i = 0; i < NUM_GLOBAL_ANIM_TOKENS; i++)
 803     for (j = 0; j < NUM_GLOBAL_ANIM_PARTS_ALL; j++)
 804       for (k = 0; k < NUM_SPECIAL_GFX_ARGS; k++)
 805         global_anim_info[i].music[j][k] = MUS_UNDEFINED;
 806
 807   // initialize global animation music definitions from dynamic configuration
 808   for (i = 0; i < num_property_mappings; i++)
 809   {
 810     int anim_nr = property_mapping[i].base_index - NUM_MUSIC_PREFIXES;
 811     int part_nr = property_mapping[i].ext1_index - ACTION_PART_1;
 812     int special = property_mapping[i].ext2_index;
 813     int music   = property_mapping[i].artwork_index;
 814
 815     // music uses control definition; map it to position of graphic (artwork)
 816     anim_nr -= GLOBAL_ANIM_ID_CONTROL_FIRST;
 817
 818     if (anim_nr < 0 || anim_nr >= NUM_GLOBAL_ANIM_TOKENS)
 819       continue;
 820
 821     // set animation part to base part, if not specified
 822     if (!IS_GLOBAL_ANIM_PART(part_nr))
 823       part_nr = GLOBAL_ANIM_ID_PART_BASE;
 824
 825     // set animation screen to default, if not specified
 826     if (!IS_SPECIAL_GFX_ARG(special))
 827       special = GFX_SPECIAL_ARG_DEFAULT;
 828
 829     global_anim_info[anim_nr].music[part_nr][special] = music;
 830   }
 831
 832 #if 0
 833   for (i = 0; i < NUM_GLOBAL_ANIMS; i++)
 834     for (j = 0; j < NUM_GLOBAL_ANIM_PARTS_ALL; j++)
 835       for (k = 0; k < NUM_SPECIAL_GFX_ARGS; k++)
 836         if (global_anim_info[i].music[j][k] != MUS_UNDEFINED)
 837           Debug("init:InitGlobalAnimMusicInfo",
 838                 "anim %d, part %d, mode %d => %d",
 839                 i, j, k, global_anim_info[i].music[j][k]);
 840 #endif
 841 }
 842
 843 static void InitElementGraphicInfo(void)
 844 {
 845   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
 846   int num_property_mappings = getImageListPropertyMappingSize();
 847   int i, act, dir;
 848
 849   if (graphic_info == NULL)             // still at startup phase
 850     return;
 851
 852   // set values to -1 to identify later as "uninitialized" values
 853   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 854   {
 855     for (act = 0; act < NUM_ACTIONS; act++)
 856     {
 857       element_info[i].graphic[act] = -1;
 858       element_info[i].crumbled[act] = -1;
 859
 860       for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 861       {
 862         element_info[i].direction_graphic[act][dir] = -1;
 863         element_info[i].direction_crumbled[act][dir] = -1;
 864       }
 865     }
 866   }
 867
 868   UPDATE_BUSY_STATE();
 869
 870   // initialize normal element/graphic mapping from static configuration
 871   for (i = 0; element_to_graphic[i].element > -1; i++)
 872   {
 873     int element      = element_to_graphic[i].element;
 874     int action       = element_to_graphic[i].action;
 875     int direction    = element_to_graphic[i].direction;
 876     boolean crumbled = element_to_graphic[i].crumbled;
 877     int graphic      = element_to_graphic[i].graphic;
 878     int base_graphic = el2baseimg(element);
 879
 880     if (graphic_info[graphic].bitmap == NULL)
 881       continue;
 882
 883     if ((action > -1 || direction > -1 || crumbled == TRUE) &&
 884         base_graphic != -1)
 885     {
 886       boolean base_redefined =
 887         getImageListEntryFromImageID(base_graphic)->redefined;
 888       boolean act_dir_redefined =
 889         getImageListEntryFromImageID(graphic)->redefined;
 890
 891       /* if the base graphic ("emerald", for example) has been redefined,
 892          but not the action graphic ("emerald.falling", for example), do not
 893          use an existing (in this case considered obsolete) action graphic
 894          anymore, but use the automatically determined default graphic */
 895       if (base_redefined && !act_dir_redefined)
 896         continue;
 897     }
 898
 899     if (action < 0)
 900       action = ACTION_DEFAULT;
 901
 902     if (crumbled)
 903     {
 904       if (direction > -1)
 905         element_info[element].direction_crumbled[action][direction] = graphic;
 906       else
 907         element_info[element].crumbled[action] = graphic;
 908     }
 909     else
 910     {
 911       if (direction > -1)
 912         element_info[element].direction_graphic[action][direction] = graphic;
 913       else
 914         element_info[element].graphic[action] = graphic;
 915     }
 916   }
 917
 918   // initialize normal element/graphic mapping from dynamic configuration
 919   for (i = 0; i < num_property_mappings; i++)
 920   {
 921     int element   = property_mapping[i].base_index;
 922     int action    = property_mapping[i].ext1_index;
 923     int direction = property_mapping[i].ext2_index;
 924     int special   = property_mapping[i].ext3_index;
 925     int graphic   = property_mapping[i].artwork_index;
 926     boolean crumbled = FALSE;
 927
 928     if (special == GFX_SPECIAL_ARG_CRUMBLED)
 929     {
 930       special = -1;
 931       crumbled = TRUE;
 932     }
 933
 934     if (graphic_info[graphic].bitmap == NULL)
 935       continue;
 936
 937     if (element >= MAX_NUM_ELEMENTS || special != -1)
 938       continue;
 939
 940     if (action < 0)
 941       action = ACTION_DEFAULT;
 942
 943     if (crumbled)
 944     {
 945       if (direction < 0)
 946         for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 947           element_info[element].direction_crumbled[action][dir] = -1;
 948
 949       if (direction > -1)
 950         element_info[element].direction_crumbled[action][direction] = graphic;
 951       else
 952         element_info[element].crumbled[action] = graphic;
 953     }
 954     else
 955     {
 956       if (direction < 0)
 957         for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 958           element_info[element].direction_graphic[action][dir] = -1;
 959
 960       if (direction > -1)
 961         element_info[element].direction_graphic[action][direction] = graphic;
 962       else
 963         element_info[element].graphic[action] = graphic;
 964     }
 965   }
 966
 967   // now copy all graphics that are defined to be cloned from other graphics
 968   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 969   {
 970     int graphic = element_info[i].graphic[ACTION_DEFAULT];
 971     int crumbled_like, diggable_like;
 972
 973     if (graphic == -1)
 974       continue;
 975
 976     crumbled_like = graphic_info[graphic].crumbled_like;
 977     diggable_like = graphic_info[graphic].diggable_like;
 978
 979     if (crumbled_like != -1 && element_info[i].crumbled[ACTION_DEFAULT] == -1)
 980     {
 981       for (act = 0; act < NUM_ACTIONS; act++)
 982         element_info[i].crumbled[act] =
 983           element_info[crumbled_like].crumbled[act];
 984       for (act = 0; act < NUM_ACTIONS; act++)
 985         for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 986           element_info[i].direction_crumbled[act][dir] =
 987             element_info[crumbled_like].direction_crumbled[act][dir];
 988     }
 989
 990     if (diggable_like != -1 && element_info[i].graphic[ACTION_DIGGING] == -1)
 991     {
 992       element_info[i].graphic[ACTION_DIGGING] =
 993         element_info[diggable_like].graphic[ACTION_DIGGING];
 994       for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 995         element_info[i].direction_graphic[ACTION_DIGGING][dir] =
 996           element_info[diggable_like].direction_graphic[ACTION_DIGGING][dir];
 997     }
 998   }
 999
1000   // set hardcoded definitions for some runtime elements without graphic
1001   element_info[EL_AMOEBA_TO_DIAMOND].graphic[ACTION_DEFAULT] = IMG_AMOEBA_DEAD;
1002
1003   // set hardcoded definitions for some internal elements without graphic
1004   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
1005   {
1006     if (IS_EDITOR_CASCADE_INACTIVE(i))
1007       element_info[i].graphic[ACTION_DEFAULT] = IMG_EDITOR_CASCADE_LIST;
1008     else if (IS_EDITOR_CASCADE_ACTIVE(i))
1009       element_info[i].graphic[ACTION_DEFAULT] = IMG_EDITOR_CASCADE_LIST_ACTIVE;
1010   }
1011
1012   // now set all undefined/invalid graphics to -1 to set to default after it
1013   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
1014   {
1015     for (act = 0; act < NUM_ACTIONS; act++)
1016     {
1017       int graphic;
1018
1019       graphic = element_info[i].graphic[act];
1020       if (graphic > 0 && graphic_info[graphic].bitmap == NULL)
1021         element_info[i].graphic[act] = -1;
1022
1023       graphic = element_info[i].crumbled[act];
1024       if (graphic > 0 && graphic_info[graphic].bitmap == NULL)
1025         element_info[i].crumbled[act] = -1;
1026
1027       for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
1028       {
1029         graphic = element_info[i].direction_graphic[act][dir];
1030         if (graphic > 0 && graphic_info[graphic].bitmap == NULL)
1031           element_info[i].direction_graphic[act][dir] = -1;
1032
1033         graphic = element_info[i].direction_crumbled[act][dir];
1034         if (graphic > 0 && graphic_info[graphic].bitmap == NULL)
1035           element_info[i].direction_crumbled[act][dir] = -1;
1036       }
1037     }
1038   }
1039
1040   UPDATE_BUSY_STATE();
1041
1042   // adjust graphics with 2nd tile for movement according to direction
1043   // (do this before correcting '-1' values to minimize calculations)
1044   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
1045   {
1046     for (act = 0; act < NUM_ACTIONS; act++)
1047     {
1048       for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
1049       {
1050         int graphic = element_info[i].direction_graphic[act][dir];
1051         int move_dir = (act == ACTION_FALLING ? MV_BIT_DOWN : dir);
1052
1053         if (act == ACTION_FALLING)      // special case
1054           graphic = element_info[i].graphic[act];
1055
1056         if (graphic != -1 &&
1057             graphic_info[graphic].double_movement &&
1058             graphic_info[graphic].swap_double_tiles != 0)
1059         {
1060           struct GraphicInfo *g = &graphic_info[graphic];
1061           int src_x_front = g->src_x;
1062           int src_y_front = g->src_y;
1063           int src_x_back = g->src_x + g->offset2_x;
1064           int src_y_back = g->src_y + g->offset2_y;
1065           boolean frames_are_ordered_diagonally = (g->offset_x != 0 &&
1066                                                    g->offset_y != 0);
1067           boolean front_is_left_or_upper = (src_x_front < src_x_back ||
1068                                             src_y_front < src_y_back);
1069           boolean swap_movement_tiles_always = (g->swap_double_tiles == 1);
1070           boolean swap_movement_tiles_autodetected =
1071             (!frames_are_ordered_diagonally &&
1072              ((move_dir == MV_BIT_LEFT  && !front_is_left_or_upper) ||
1073               (move_dir == MV_BIT_UP    && !front_is_left_or_upper) ||
1074               (move_dir == MV_BIT_RIGHT &&  front_is_left_or_upper) ||
1075               (move_dir == MV_BIT_DOWN  &&  front_is_left_or_upper)));
1076
1077           // swap frontside and backside graphic tile coordinates, if needed
1078           if (swap_movement_tiles_always || swap_movement_tiles_autodetected)
1079           {
1080             // get current (wrong) backside tile coordinates
1081             getGraphicSourceXY(graphic, 0, &src_x_back, &src_y_back, TRUE);
1082
1083             // set frontside tile coordinates to backside tile coordinates
1084             g->src_x = src_x_back;
1085             g->src_y = src_y_back;
1086
1087             // invert tile offset to point to new backside tile coordinates
1088             g->offset2_x *= -1;
1089             g->offset2_y *= -1;
1090
1091             // do not swap front and backside tiles again after correction
1092             g->swap_double_tiles = 0;
1093           }
1094         }
1095       }
1096     }
1097   }
1098
1099   UPDATE_BUSY_STATE();
1100
1101   // now set all '-1' values to element specific default values
1102   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
1103   {
1104     int default_graphic = element_info[i].graphic[ACTION_DEFAULT];
1105     int default_crumbled = element_info[i].crumbled[ACTION_DEFAULT];
1106     int default_direction_graphic[NUM_DIRECTIONS_FULL];
1107     int default_direction_crumbled[NUM_DIRECTIONS_FULL];
1108
1109     if (default_graphic == -1)
1110       default_graphic = IMG_UNKNOWN;
1111
1112     if (default_crumbled == -1)
1113       default_crumbled = default_graphic;
1114
1115     for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
1116     {
1117       default_direction_graphic[dir] =
1118         element_info[i].direction_graphic[ACTION_DEFAULT][dir];
1119       default_direction_crumbled[dir] =
1120         element_info[i].direction_crumbled[ACTION_DEFAULT][dir];
1121
1122       if (default_direction_graphic[dir] == -1)
1123         default_direction_graphic[dir] = default_graphic;
1124
1125       if (default_direction_crumbled[dir] == -1)
1126         default_direction_crumbled[dir] = default_direction_graphic[dir];
1127     }
1128
1129     for (act = 0; act < NUM_ACTIONS; act++)
1130     {
1131       boolean act_remove = ((IS_DIGGABLE(i)    && act == ACTION_DIGGING)  ||
1132                             (IS_SNAPPABLE(i)   && act == ACTION_SNAPPING) ||
1133                             (IS_COLLECTIBLE(i) && act == ACTION_COLLECTING));
1134       boolean act_turning = (act == ACTION_TURNING_FROM_LEFT ||
1135                              act == ACTION_TURNING_FROM_RIGHT ||
1136                              act == ACTION_TURNING_FROM_UP ||
1137                              act == ACTION_TURNING_FROM_DOWN);
1138
1139       // generic default action graphic (defined by "[default]" directive)
1140       int default_action_graphic = element_info[EL_DEFAULT].graphic[act];
1141       int default_action_crumbled = element_info[EL_DEFAULT].crumbled[act];
1142       int default_remove_graphic = IMG_EMPTY;
1143
1144       if (act_remove && default_action_graphic != -1)
1145         default_remove_graphic = default_action_graphic;
1146
1147       // look for special default action graphic (classic game specific)
1148       if (IS_BD_ELEMENT(i) && element_info[EL_BD_DEFAULT].graphic[act] != -1)
1149         default_action_graphic = element_info[EL_BD_DEFAULT].graphic[act];
1150       if (IS_SP_ELEMENT(i) && element_info[EL_SP_DEFAULT].graphic[act] != -1)
1151         default_action_graphic = element_info[EL_SP_DEFAULT].graphic[act];
1152       if (IS_SB_ELEMENT(i) && element_info[EL_SB_DEFAULT].graphic[act] != -1)
1153         default_action_graphic = element_info[EL_SB_DEFAULT].graphic[act];
1154       if (IS_MM_ELEMENT(i) && element_info[EL_MM_DEFAULT].graphic[act] != -1)
1155         default_action_graphic = element_info[EL_MM_DEFAULT].graphic[act];
1156
1157       if (IS_BD_ELEMENT(i) && element_info[EL_BD_DEFAULT].crumbled[act] != -1)
1158         default_action_crumbled = element_info[EL_BD_DEFAULT].crumbled[act];
1159       if (IS_SP_ELEMENT(i) && element_info[EL_SP_DEFAULT].crumbled[act] != -1)
1160         default_action_crumbled = element_info[EL_SP_DEFAULT].crumbled[act];
1161       if (IS_SB_ELEMENT(i) && element_info[EL_SB_DEFAULT].crumbled[act] != -1)
1162         default_action_crumbled = element_info[EL_SB_DEFAULT].crumbled[act];
1163       if (IS_MM_ELEMENT(i) && element_info[EL_MM_DEFAULT].crumbled[act] != -1)
1164         default_action_crumbled = element_info[EL_MM_DEFAULT].crumbled[act];
1165
1166       // !!! needed because EL_EMPTY_SPACE treated as IS_SP_ELEMENT !!!
1167       // !!! make this better !!!
1168       if (i == EL_EMPTY_SPACE)
1169       {
1170         default_action_graphic = element_info[EL_DEFAULT].graphic[act];
1171         default_action_crumbled = element_info[EL_DEFAULT].crumbled[act];
1172       }
1173
1174       if (default_action_graphic == -1)
1175         default_action_graphic = default_graphic;
1176
1177       if (default_action_crumbled == -1)
1178         default_action_crumbled = default_action_graphic;
1179
1180       for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
1181       {
1182         // use action graphic as the default direction graphic, if undefined
1183         int default_action_direction_graphic = element_info[i].graphic[act];
1184         int default_action_direction_crumbled = element_info[i].crumbled[act];
1185
1186         // no graphic for current action -- use default direction graphic
1187         if (default_action_direction_graphic == -1)
1188           default_action_direction_graphic =
1189             (act_remove ? default_remove_graphic :
1190              act_turning ?
1191              element_info[i].direction_graphic[ACTION_TURNING][dir] :
1192              default_action_graphic != default_graphic ?
1193              default_action_graphic :
1194              default_direction_graphic[dir]);
1195
1196         if (element_info[i].direction_graphic[act][dir] == -1)
1197           element_info[i].direction_graphic[act][dir] =
1198             default_action_direction_graphic;
1199
1200         if (default_action_direction_crumbled == -1)
1201           default_action_direction_crumbled =
1202             element_info[i].direction_graphic[act][dir];
1203
1204         if (element_info[i].direction_crumbled[act][dir] == -1)
1205           element_info[i].direction_crumbled[act][dir] =
1206             default_action_direction_crumbled;
1207       }
1208
1209       // no graphic for this specific action -- use default action graphic
1210       if (element_info[i].graphic[act] == -1)
1211         element_info[i].graphic[act] =
1212           (act_remove ? default_remove_graphic :
1213            act_turning ? element_info[i].graphic[ACTION_TURNING] :
1214            default_action_graphic);
1215
1216       if (element_info[i].crumbled[act] == -1)
1217         element_info[i].crumbled[act] = element_info[i].graphic[act];
1218     }
1219   }
1220
1221   UPDATE_BUSY_STATE();
1222 }
1223
1224 static void InitElementSpecialGraphicInfo(void)
1225 {
1226   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
1227   int num_property_mappings = getImageListPropertyMappingSize();
1228   int i, j;
1229
1230   // always start with reliable default values
1231   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
1232     for (j = 0; j < NUM_SPECIAL_GFX_ARGS; j++)
1233       element_info[i].special_graphic[j] =
1234         element_info[i].graphic[ACTION_DEFAULT];
1235
1236   // initialize special element/graphic mapping from static configuration
1237   for (i = 0; element_to_special_graphic[i].element > -1; i++)
1238   {
1239     int element = element_to_special_graphic[i].element;
1240     int special = element_to_special_graphic[i].special;
1241     int graphic = element_to_special_graphic[i].graphic;
1242     int base_graphic = el2baseimg(element);
1243     boolean base_redefined =
1244       getImageListEntryFromImageID(base_graphic)->redefined;
1245     boolean special_redefined =
1246       getImageListEntryFromImageID(graphic)->redefined;
1247
1248     /* if the base graphic ("emerald", for example) has been redefined,
1249        but not the special graphic ("emerald.EDITOR", for example), do not
1250        use an existing (in this case considered obsolete) special graphic
1251        anymore, but use the automatically created (down-scaled) graphic */
1252     if (base_redefined && !special_redefined)
1253       continue;
1254
1255     element_info[element].special_graphic[special] = graphic;
1256   }
1257
1258   // initialize special element/graphic mapping from dynamic configuration
1259   for (i = 0; i < num_property_mappings; i++)
1260   {
1261     int element   = property_mapping[i].base_index;
1262     int action    = property_mapping[i].ext1_index;
1263     int direction = property_mapping[i].ext2_index;
1264     int special   = property_mapping[i].ext3_index;
1265     int graphic   = property_mapping[i].artwork_index;
1266
1267     // for action ".active", replace element with active element, if exists
1268     if (action == ACTION_ACTIVE && element != ELEMENT_ACTIVE(element))
1269     {
1270       element = ELEMENT_ACTIVE(element);
1271       action = -1;
1272     }
1273
1274     if (element >= MAX_NUM_ELEMENTS)
1275       continue;
1276
1277     // do not change special graphic if action or direction was specified
1278     if (action != -1 || direction != -1)
1279       continue;
1280
1281     if (IS_SPECIAL_GFX_ARG(special))
1282       element_info[element].special_graphic[special] = graphic;
1283   }
1284
1285   // now set all undefined/invalid graphics to default
1286   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
1287     for (j = 0; j < NUM_SPECIAL_GFX_ARGS; j++)
1288       if (graphic_info[element_info[i].special_graphic[j]].bitmap == NULL)
1289         element_info[i].special_graphic[j] =
1290           element_info[i].graphic[ACTION_DEFAULT];
1291 }
1292
1293 static int get_graphic_parameter_value(char *value_raw, char *suffix, int type)
1294 {
1295   if (type != TYPE_ELEMENT && type != TYPE_GRAPHIC)
1296     return get_parameter_value(value_raw, suffix, type);
1297
1298   if (strEqual(value_raw, ARG_UNDEFINED))
1299     return ARG_UNDEFINED_VALUE;
1300
1301   if (type == TYPE_ELEMENT)
1302   {
1303     char *value = getHashEntry(element_token_hash, value_raw);
1304
1305     if (value == NULL)
1306     {
1307       Warn("---");
1308       Warn("error found in config file:");
1309       Warn("- config file: '%s'", getImageConfigFilename());
1310       Warn("error: invalid element token '%s'", value_raw);
1311       Warn("custom graphic rejected for this element/action");
1312       Warn("fallback done to undefined element for this graphic");
1313       Warn("---");
1314     }
1315
1316     return (value != NULL ? atoi(value) : EL_UNDEFINED);
1317   }
1318   else if (type == TYPE_GRAPHIC)
1319   {
1320     char *value = getHashEntry(graphic_token_hash, value_raw);
1321     int fallback_graphic = IMG_CHAR_EXCLAM;
1322
1323     if (value == NULL)
1324     {
1325       Warn("---");
1326       Warn("error found in config file:");
1327       Warn("- config file: '%s'", getImageConfigFilename());
1328       Warn("error: invalid graphic token '%s'", value_raw);
1329       Warn("custom graphic rejected for this element/action");
1330       Warn("fallback done to 'char_exclam' for this graphic");
1331       Warn("---");
1332     }
1333
1334     return (value != NULL ? atoi(value) : fallback_graphic);
1335   }
1336
1337   return -1;
1338 }
1339
1340 static int get_scaled_graphic_width(Bitmap *src_bitmap, int graphic)
1341 {
1342   int original_width = getOriginalImageWidthFromImageID(graphic);
1343   int scale_up_factor = graphic_info[graphic].scale_up_factor;
1344
1345   // only happens when loaded outside artwork system (like "global.busy")
1346   if (graphic_info == image_initial && src_bitmap)
1347     original_width = src_bitmap->width;
1348
1349   return original_width * scale_up_factor;
1350 }
1351
1352 static int get_scaled_graphic_height(Bitmap *src_bitmap, int graphic)
1353 {
1354   int original_height = getOriginalImageHeightFromImageID(graphic);
1355   int scale_up_factor = graphic_info[graphic].scale_up_factor;
1356
1357   // only happens when loaded outside artwork system (like "global.busy")
1358   if (graphic_info == image_initial && src_bitmap)
1359     original_height = src_bitmap->height;
1360
1361   return original_height * scale_up_factor;
1362 }
1363
1364 static void set_graphic_parameters_ext(int graphic, int *parameter,
1365                                        Bitmap **src_bitmaps)
1366 {
1367   struct GraphicInfo *g = &graphic_info[graphic];
1368   Bitmap *src_bitmap = (src_bitmaps ? src_bitmaps[IMG_BITMAP_STANDARD] : NULL);
1369   int anim_frames_per_row = 1, anim_frames_per_col = 1;
1370   int anim_frames_per_line = 1;
1371
1372   // always start with reliable default values
1373   g->src_image_width = 0;
1374   g->src_image_height = 0;
1375   g->src_x = 0;
1376   g->src_y = 0;
1377   g->width  = TILEX;                    // default for element graphics
1378   g->height = TILEY;                    // default for element graphics
1379   g->offset_x = 0;                      // one or both of these values ...
1380   g->offset_y = 0;                      // ... will be corrected later
1381   g->offset2_x = 0;                     // one or both of these values ...
1382   g->offset2_y = 0;                     // ... will be corrected later
1383   g->swap_double_tiles = -1;            // auto-detect tile swapping
1384   g->crumbled_like = -1;                // do not use clone element
1385   g->diggable_like = -1;                // do not use clone element
1386   g->border_size = TILEX / 8;           // "CRUMBLED" border size
1387   g->scale_up_factor = 1;               // default: no scaling up
1388   g->tile_size = TILESIZE;              // default: standard tile size
1389   g->clone_from = -1;                   // do not use clone graphic
1390   g->init_delay_fixed = 0;
1391   g->init_delay_random = 0;
1392   g->init_delay_action = -1;
1393   g->anim_delay_fixed = 0;
1394   g->anim_delay_random = 0;
1395   g->anim_delay_action = -1;
1396   g->post_delay_fixed = 0;
1397   g->post_delay_random = 0;
1398   g->post_delay_action = -1;
1399   g->init_event = ANIM_EVENT_UNDEFINED;
1400   g->anim_event = ANIM_EVENT_UNDEFINED;
1401   g->init_event_action = -1;
1402   g->anim_event_action = -1;
1403   g->draw_masked = FALSE;
1404   g->draw_order = 0;
1405   g->fade_mode = FADE_MODE_DEFAULT;
1406   g->fade_delay = -1;
1407   g->post_delay = -1;
1408   g->auto_delay = -1;
1409   g->auto_delay_unit = AUTO_DELAY_UNIT_DEFAULT;
1410   g->align = ALIGN_CENTER;              // default for title screens
1411   g->valign = VALIGN_MIDDLE;            // default for title screens
1412   g->sort_priority = 0;                 // default for title screens
1413   g->class = 0;
1414   g->style = STYLE_DEFAULT;
1415   g->alpha = -1;
1416
1417   g->bitmaps = src_bitmaps;
1418   g->bitmap = src_bitmap;
1419
1420   // optional zoom factor for scaling up the image to a larger size
1421   if (parameter[GFX_ARG_SCALE_UP_FACTOR] != ARG_UNDEFINED_VALUE)
1422     g->scale_up_factor = parameter[GFX_ARG_SCALE_UP_FACTOR];
1423   if (g->scale_up_factor < 1)
1424     g->scale_up_factor = 1;             // no scaling
1425
1426   // optional tile size for using non-standard image size
1427   if (parameter[GFX_ARG_TILE_SIZE] != ARG_UNDEFINED_VALUE)
1428   {
1429     g->tile_size = parameter[GFX_ARG_TILE_SIZE];
1430
1431 #if 0
1432     // CHECK: should tile sizes less than standard tile size be allowed?
1433     if (g->tile_size < TILESIZE)
1434       g->tile_size = TILESIZE;          // standard tile size
1435 #endif
1436
1437     // when setting tile size, also set width and height accordingly
1438     g->width  = g->tile_size;
1439     g->height = g->tile_size;
1440   }
1441
1442   if (g->use_image_size)
1443   {
1444     // set new default bitmap size (with scaling, but without small images)
1445     g->width  = get_scaled_graphic_width(src_bitmap, graphic);
1446     g->height = get_scaled_graphic_height(src_bitmap, graphic);
1447   }
1448
1449   // optional width and height of each animation frame
1450   if (parameter[GFX_ARG_WIDTH] != ARG_UNDEFINED_VALUE)
1451     g->width = parameter[GFX_ARG_WIDTH];
1452   if (parameter[GFX_ARG_HEIGHT] != ARG_UNDEFINED_VALUE)
1453     g->height = parameter[GFX_ARG_HEIGHT];
1454
1455   // optional x and y tile position of animation frame sequence
1456   if (parameter[GFX_ARG_XPOS] != ARG_UNDEFINED_VALUE)
1457     g->src_x = parameter[GFX_ARG_XPOS] * g->width;
1458   if (parameter[GFX_ARG_YPOS] != ARG_UNDEFINED_VALUE)
1459     g->src_y = parameter[GFX_ARG_YPOS] * g->height;
1460
1461   // optional x and y pixel position of animation frame sequence
1462   if (parameter[GFX_ARG_X] != ARG_UNDEFINED_VALUE)
1463     g->src_x = parameter[GFX_ARG_X];
1464   if (parameter[GFX_ARG_Y] != ARG_UNDEFINED_VALUE)
1465     g->src_y = parameter[GFX_ARG_Y];
1466
1467   if (src_bitmap)
1468   {
1469     if (g->width <= 0)
1470     {
1471       Warn("---");
1472       Warn("invalid value %d for '%s.width' (fallback done to %d)",
1473            g->width, getTokenFromImageID(graphic), TILEX);
1474       Warn("---");
1475
1476       g->width = TILEX;         // will be checked to be inside bitmap later
1477     }
1478
1479     if (g->height <= 0)
1480     {
1481       Warn("---");
1482       Warn("invalid value %d for '%s.height' (fallback done to %d)",
1483            g->height, getTokenFromImageID(graphic), TILEY);
1484       Warn("---");
1485
1486       g->height = TILEY;        // will be checked to be inside bitmap later
1487     }
1488   }
1489
1490   if (src_bitmap)
1491   {
1492     // get final bitmap size (with scaling, but without small images)
1493     int src_image_width  = get_scaled_graphic_width(src_bitmap, graphic);
1494     int src_image_height = get_scaled_graphic_height(src_bitmap, graphic);
1495
1496     if (parameter[GFX_ARG_TILE_SIZE] != ARG_UNDEFINED_VALUE)
1497     {
1498       anim_frames_per_row = MAX(1, src_image_width  / g->tile_size);
1499       anim_frames_per_col = MAX(1, src_image_height / g->tile_size);
1500     }
1501     else
1502     {
1503       anim_frames_per_row = MAX(1, src_image_width  / g->width);
1504       anim_frames_per_col = MAX(1, src_image_height / g->height);
1505     }
1506
1507     g->src_image_width  = src_image_width;
1508     g->src_image_height = src_image_height;
1509   }
1510
1511   // correct x or y offset dependent of vertical or horizontal frame order
1512   if (parameter[GFX_ARG_VERTICAL])      // frames are ordered vertically
1513   {
1514     g->offset_y = (parameter[GFX_ARG_OFFSET] != ARG_UNDEFINED_VALUE ?
1515                    parameter[GFX_ARG_OFFSET] : g->height);
1516     anim_frames_per_line = anim_frames_per_col;
1517   }
1518   else                                  // frames are ordered horizontally
1519   {
1520     g->offset_x = (parameter[GFX_ARG_OFFSET] != ARG_UNDEFINED_VALUE ?
1521                    parameter[GFX_ARG_OFFSET] : g->width);
1522     anim_frames_per_line = anim_frames_per_row;
1523   }
1524
1525   // optionally, the x and y offset of frames can be specified directly
1526   if (parameter[GFX_ARG_XOFFSET] != ARG_UNDEFINED_VALUE)
1527     g->offset_x = parameter[GFX_ARG_XOFFSET];
1528   if (parameter[GFX_ARG_YOFFSET] != ARG_UNDEFINED_VALUE)
1529     g->offset_y = parameter[GFX_ARG_YOFFSET];
1530
1531   // optionally, moving animations may have separate start and end graphics
1532   g->double_movement = parameter[GFX_ARG_2ND_MOVEMENT_TILE];
1533
1534   if (parameter[GFX_ARG_2ND_VERTICAL] == ARG_UNDEFINED_VALUE)
1535     parameter[GFX_ARG_2ND_VERTICAL] = !parameter[GFX_ARG_VERTICAL];
1536
1537   // correct x or y offset2 dependent of vertical or horizontal frame order
1538   if (parameter[GFX_ARG_2ND_VERTICAL])  // frames are ordered vertically
1539     g->offset2_y = (parameter[GFX_ARG_2ND_OFFSET] != ARG_UNDEFINED_VALUE ?
1540                     parameter[GFX_ARG_2ND_OFFSET] : g->height);
1541   else                                  // frames are ordered horizontally
1542     g->offset2_x = (parameter[GFX_ARG_2ND_OFFSET] != ARG_UNDEFINED_VALUE ?
1543                     parameter[GFX_ARG_2ND_OFFSET] : g->width);
1544
1545   // optionally, the x and y offset of 2nd graphic can be specified directly
1546   if (parameter[GFX_ARG_2ND_XOFFSET] != ARG_UNDEFINED_VALUE)
1547     g->offset2_x = parameter[GFX_ARG_2ND_XOFFSET];
1548   if (parameter[GFX_ARG_2ND_YOFFSET] != ARG_UNDEFINED_VALUE)
1549     g->offset2_y = parameter[GFX_ARG_2ND_YOFFSET];
1550
1551   // optionally, the second movement tile can be specified as start tile
1552   if (parameter[GFX_ARG_2ND_SWAP_TILES] != ARG_UNDEFINED_VALUE)
1553     g->swap_double_tiles= parameter[GFX_ARG_2ND_SWAP_TILES];
1554
1555   // automatically determine correct number of frames, if not defined
1556   if (parameter[GFX_ARG_FRAMES] != ARG_UNDEFINED_VALUE)
1557     g->anim_frames = parameter[GFX_ARG_FRAMES];
1558   else if (parameter[GFX_ARG_XPOS] == 0 && !parameter[GFX_ARG_VERTICAL])
1559     g->anim_frames = anim_frames_per_row;
1560   else if (parameter[GFX_ARG_YPOS] == 0 && parameter[GFX_ARG_VERTICAL])
1561     g->anim_frames = anim_frames_per_col;
1562   else
1563     g->anim_frames = 1;
1564
1565   if (g->anim_frames < 1)               // frames must be at least 1
1566     g->anim_frames = 1;
1567
1568   g->anim_frames_per_line =
1569     (parameter[GFX_ARG_FRAMES_PER_LINE] != ARG_UNDEFINED_VALUE ?
1570      parameter[GFX_ARG_FRAMES_PER_LINE] : anim_frames_per_line);
1571
1572   g->anim_delay = parameter[GFX_ARG_DELAY];
1573   if (g->anim_delay < 1)                // delay must be at least 1
1574     g->anim_delay = 1;
1575
1576   g->anim_mode = parameter[GFX_ARG_ANIM_MODE];
1577
1578   // automatically determine correct start frame, if not defined
1579   if (parameter[GFX_ARG_START_FRAME] == ARG_UNDEFINED_VALUE)
1580     g->anim_start_frame = 0;
1581   else if (g->anim_mode & ANIM_REVERSE)
1582     g->anim_start_frame = g->anim_frames - parameter[GFX_ARG_START_FRAME] - 1;
1583   else
1584     g->anim_start_frame = parameter[GFX_ARG_START_FRAME];
1585
1586   // animation synchronized with global frame counter, not move position
1587   g->anim_global_sync = parameter[GFX_ARG_GLOBAL_SYNC];
1588
1589   // animation synchronized with global anim frame counter, not move position
1590   g->anim_global_anim_sync = parameter[GFX_ARG_GLOBAL_ANIM_SYNC];
1591
1592   // optional element for cloning crumble graphics
1593   if (parameter[GFX_ARG_CRUMBLED_LIKE] != ARG_UNDEFINED_VALUE)
1594     g->crumbled_like = parameter[GFX_ARG_CRUMBLED_LIKE];
1595
1596   // optional element for cloning digging graphics
1597   if (parameter[GFX_ARG_DIGGABLE_LIKE] != ARG_UNDEFINED_VALUE)
1598     g->diggable_like = parameter[GFX_ARG_DIGGABLE_LIKE];
1599
1600   // optional border size for "crumbling" diggable graphics
1601   if (parameter[GFX_ARG_BORDER_SIZE] != ARG_UNDEFINED_VALUE)
1602     g->border_size = parameter[GFX_ARG_BORDER_SIZE];
1603
1604   // used for global animations and player "boring" and "sleeping" actions
1605   if (parameter[GFX_ARG_INIT_DELAY_FIXED] != ARG_UNDEFINED_VALUE)
1606     g->init_delay_fixed = parameter[GFX_ARG_INIT_DELAY_FIXED];
1607   if (parameter[GFX_ARG_INIT_DELAY_RANDOM] != ARG_UNDEFINED_VALUE)
1608     g->init_delay_random = parameter[GFX_ARG_INIT_DELAY_RANDOM];
1609   if (parameter[GFX_ARG_ANIM_DELAY_FIXED] != ARG_UNDEFINED_VALUE)
1610     g->anim_delay_fixed = parameter[GFX_ARG_ANIM_DELAY_FIXED];
1611   if (parameter[GFX_ARG_ANIM_DELAY_RANDOM] != ARG_UNDEFINED_VALUE)
1612     g->anim_delay_random = parameter[GFX_ARG_ANIM_DELAY_RANDOM];
1613   if (parameter[GFX_ARG_POST_DELAY_FIXED] != ARG_UNDEFINED_VALUE)
1614     g->post_delay_fixed = parameter[GFX_ARG_POST_DELAY_FIXED];
1615   if (parameter[GFX_ARG_POST_DELAY_RANDOM] != ARG_UNDEFINED_VALUE)
1616     g->post_delay_random = parameter[GFX_ARG_POST_DELAY_RANDOM];
1617
1618   // used for global animations
1619   if (parameter[GFX_ARG_INIT_EVENT] != ARG_UNDEFINED_VALUE)
1620     g->init_event = parameter[GFX_ARG_INIT_EVENT];
1621   if (parameter[GFX_ARG_ANIM_EVENT] != ARG_UNDEFINED_VALUE)
1622     g->anim_event = parameter[GFX_ARG_ANIM_EVENT];
1623   if (parameter[GFX_ARG_INIT_EVENT_ACTION] != ARG_UNDEFINED_VALUE)
1624     g->init_event_action = parameter[GFX_ARG_INIT_EVENT_ACTION];
1625   if (parameter[GFX_ARG_ANIM_EVENT_ACTION] != ARG_UNDEFINED_VALUE)
1626     g->anim_event_action = parameter[GFX_ARG_ANIM_EVENT_ACTION];
1627   if (parameter[GFX_ARG_INIT_DELAY_ACTION] != ARG_UNDEFINED_VALUE)
1628     g->init_delay_action = parameter[GFX_ARG_INIT_DELAY_ACTION];
1629   if (parameter[GFX_ARG_ANIM_DELAY_ACTION] != ARG_UNDEFINED_VALUE)
1630     g->anim_delay_action = parameter[GFX_ARG_ANIM_DELAY_ACTION];
1631   if (parameter[GFX_ARG_POST_DELAY_ACTION] != ARG_UNDEFINED_VALUE)
1632     g->post_delay_action = parameter[GFX_ARG_POST_DELAY_ACTION];
1633
1634   // used for toon animations and global animations
1635   g->step_offset  = parameter[GFX_ARG_STEP_OFFSET];
1636   g->step_xoffset = parameter[GFX_ARG_STEP_XOFFSET];
1637   g->step_yoffset = parameter[GFX_ARG_STEP_YOFFSET];
1638   g->step_delay   = parameter[GFX_ARG_STEP_DELAY];
1639   g->direction    = parameter[GFX_ARG_DIRECTION];
1640   g->position     = parameter[GFX_ARG_POSITION];
1641   g->x            = parameter[GFX_ARG_X];       // (may be uninitialized,
1642   g->y            = parameter[GFX_ARG_Y];       // unlike src_x and src_y)
1643
1644   if (g->step_delay < 1)                        // delay must be at least 1
1645     g->step_delay = 1;
1646
1647   // this is only used for drawing font characters
1648   g->draw_xoffset = parameter[GFX_ARG_DRAW_XOFFSET];
1649   g->draw_yoffset = parameter[GFX_ARG_DRAW_YOFFSET];
1650
1651   // use a different default value for global animations and toons
1652   if ((graphic >= IMG_GFX_GLOBAL_ANIM_1 && graphic <= IMG_GFX_GLOBAL_ANIM_32) ||
1653       (graphic >= IMG_TOON_1            && graphic <= IMG_TOON_20))
1654     g->draw_masked = TRUE;
1655
1656   // this is used for drawing envelopes, global animations and toons
1657   if (parameter[GFX_ARG_DRAW_MASKED] != ARG_UNDEFINED_VALUE)
1658     g->draw_masked = parameter[GFX_ARG_DRAW_MASKED];
1659
1660   // used for toon animations and global animations
1661   if (parameter[GFX_ARG_DRAW_ORDER] != ARG_UNDEFINED_VALUE)
1662     g->draw_order = parameter[GFX_ARG_DRAW_ORDER];
1663
1664   // optional graphic for cloning all graphics settings
1665   if (parameter[GFX_ARG_CLONE_FROM] != ARG_UNDEFINED_VALUE)
1666     g->clone_from = parameter[GFX_ARG_CLONE_FROM];
1667
1668   // optional settings for drawing title screens and title messages
1669   if (parameter[GFX_ARG_FADE_MODE] != ARG_UNDEFINED_VALUE)
1670     g->fade_mode = parameter[GFX_ARG_FADE_MODE];
1671   if (parameter[GFX_ARG_FADE_DELAY] != ARG_UNDEFINED_VALUE)
1672     g->fade_delay = parameter[GFX_ARG_FADE_DELAY];
1673   if (parameter[GFX_ARG_POST_DELAY] != ARG_UNDEFINED_VALUE)
1674     g->post_delay = parameter[GFX_ARG_POST_DELAY];
1675   if (parameter[GFX_ARG_AUTO_DELAY] != ARG_UNDEFINED_VALUE)
1676     g->auto_delay = parameter[GFX_ARG_AUTO_DELAY];
1677   if (parameter[GFX_ARG_AUTO_DELAY_UNIT] != ARG_UNDEFINED_VALUE)
1678     g->auto_delay_unit = parameter[GFX_ARG_AUTO_DELAY_UNIT];
1679   if (parameter[GFX_ARG_ALIGN] != ARG_UNDEFINED_VALUE)
1680     g->align = parameter[GFX_ARG_ALIGN];
1681   if (parameter[GFX_ARG_VALIGN] != ARG_UNDEFINED_VALUE)
1682     g->valign = parameter[GFX_ARG_VALIGN];
1683   if (parameter[GFX_ARG_SORT_PRIORITY] != ARG_UNDEFINED_VALUE)
1684     g->sort_priority = parameter[GFX_ARG_SORT_PRIORITY];
1685
1686   if (parameter[GFX_ARG_CLASS] != ARG_UNDEFINED_VALUE)
1687     g->class = parameter[GFX_ARG_CLASS];
1688   if (parameter[GFX_ARG_STYLE] != ARG_UNDEFINED_VALUE)
1689     g->style = parameter[GFX_ARG_STYLE];
1690   if (parameter[GFX_ARG_ALPHA] != ARG_UNDEFINED_VALUE)
1691     g->alpha = parameter[GFX_ARG_ALPHA];
1692
1693   // this is only used for drawing menu buttons and text
1694   g->active_xoffset = parameter[GFX_ARG_ACTIVE_XOFFSET];
1695   g->active_yoffset = parameter[GFX_ARG_ACTIVE_YOFFSET];
1696   g->pressed_xoffset = parameter[GFX_ARG_PRESSED_XOFFSET];
1697   g->pressed_yoffset = parameter[GFX_ARG_PRESSED_YOFFSET];
1698
1699   // this is only used for drawing stacked global animations
1700   g->stacked_xfactor = parameter[GFX_ARG_STACKED_XFACTOR];
1701   g->stacked_yfactor = parameter[GFX_ARG_STACKED_YFACTOR];
1702   g->stacked_xoffset = parameter[GFX_ARG_STACKED_XOFFSET];
1703   g->stacked_yoffset = parameter[GFX_ARG_STACKED_YOFFSET];
1704 }
1705
1706 static void set_graphic_parameters(int graphic)
1707 {
1708   struct FileInfo *image = getImageListEntryFromImageID(graphic);
1709   char **parameter_raw = image->parameter;
1710   Bitmap **src_bitmaps = getBitmapsFromImageID(graphic);
1711   int parameter[NUM_GFX_ARGS];
1712   int i;
1713
1714   // if fallback to default artwork is done, also use the default parameters
1715   if (image->fallback_to_default)
1716     parameter_raw = image->default_parameter;
1717
1718   // get integer values from string parameters
1719   for (i = 0; i < NUM_GFX_ARGS; i++)
1720     parameter[i] = get_graphic_parameter_value(parameter_raw[i],
1721                                                image_config_suffix[i].token,
1722                                                image_config_suffix[i].type);
1723
1724   set_graphic_parameters_ext(graphic, parameter, src_bitmaps);
1725
1726   UPDATE_BUSY_STATE();
1727 }
1728
1729 static void set_cloned_graphic_parameters(int graphic)
1730 {
1731   int fallback_graphic = IMG_CHAR_EXCLAM;
1732   int max_num_images = getImageListSize();
1733   int clone_graphic = graphic_info[graphic].clone_from;
1734   int num_references_followed = 1;
1735
1736   while (graphic_info[clone_graphic].clone_from != -1 &&
1737          num_references_followed < max_num_images)
1738   {
1739     clone_graphic = graphic_info[clone_graphic].clone_from;
1740
1741     num_references_followed++;
1742   }
1743
1744   if (num_references_followed >= max_num_images)
1745   {
1746     Warn("---");
1747     Warn("error found in config file:");
1748     Warn("- config file: '%s'", getImageConfigFilename());
1749     Warn("- config token: '%s'", getTokenFromImageID(graphic));
1750     Warn("error: loop discovered when resolving cloned graphics");
1751     Warn("custom graphic rejected for this element/action");
1752
1753     if (graphic == fallback_graphic)
1754       Fail("no fallback graphic available");
1755
1756     Warn("fallback done to 'char_exclam' for this graphic");
1757     Warn("---");
1758
1759     graphic_info[graphic] = graphic_info[fallback_graphic];
1760   }
1761   else
1762   {
1763     graphic_info[graphic] = graphic_info[clone_graphic];
1764     graphic_info[graphic].clone_from = clone_graphic;
1765   }
1766 }
1767
1768 static void InitGraphicInfo(void)
1769 {
1770   int fallback_graphic = IMG_CHAR_EXCLAM;
1771   int num_images = getImageListSize();
1772   int i;
1773
1774   // use image size as default values for width and height for these images
1775   static int full_size_graphics[] =
1776   {
1777     IMG_GLOBAL_BORDER,
1778     IMG_GLOBAL_BORDER_MAIN,
1779     IMG_GLOBAL_BORDER_SCORES,
1780     IMG_GLOBAL_BORDER_EDITOR,
1781     IMG_GLOBAL_BORDER_PLAYING,
1782     IMG_GLOBAL_DOOR,
1783
1784     IMG_BACKGROUND_ENVELOPE_1,
1785     IMG_BACKGROUND_ENVELOPE_2,
1786     IMG_BACKGROUND_ENVELOPE_3,
1787     IMG_BACKGROUND_ENVELOPE_4,
1788     IMG_BACKGROUND_REQUEST,
1789
1790     IMG_BACKGROUND,
1791     IMG_BACKGROUND_LOADING_INITIAL,
1792     IMG_BACKGROUND_LOADING,
1793     IMG_BACKGROUND_TITLE_INITIAL,
1794     IMG_BACKGROUND_TITLE,
1795     IMG_BACKGROUND_MAIN,
1796     IMG_BACKGROUND_NAMES,
1797     IMG_BACKGROUND_LEVELS,
1798     IMG_BACKGROUND_LEVELNR,
1799     IMG_BACKGROUND_SCORES,
1800     IMG_BACKGROUND_SCOREINFO,
1801     IMG_BACKGROUND_EDITOR,
1802     IMG_BACKGROUND_INFO,
1803     IMG_BACKGROUND_INFO_ELEMENTS,
1804     IMG_BACKGROUND_INFO_MUSIC,
1805     IMG_BACKGROUND_INFO_CREDITS,
1806     IMG_BACKGROUND_INFO_PROGRAM,
1807     IMG_BACKGROUND_INFO_VERSION,
1808     IMG_BACKGROUND_INFO_LEVELSET,
1809     IMG_BACKGROUND_SETUP,
1810     IMG_BACKGROUND_PLAYING,
1811     IMG_BACKGROUND_DOOR,
1812     IMG_BACKGROUND_TAPE,
1813     IMG_BACKGROUND_PANEL,
1814     IMG_BACKGROUND_PALETTE,
1815     IMG_BACKGROUND_TOOLBOX,
1816
1817     IMG_TITLESCREEN_INITIAL_1,
1818     IMG_TITLESCREEN_INITIAL_2,
1819     IMG_TITLESCREEN_INITIAL_3,
1820     IMG_TITLESCREEN_INITIAL_4,
1821     IMG_TITLESCREEN_INITIAL_5,
1822     IMG_TITLESCREEN_1,
1823     IMG_TITLESCREEN_2,
1824     IMG_TITLESCREEN_3,
1825     IMG_TITLESCREEN_4,
1826     IMG_TITLESCREEN_5,
1827
1828     IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1,
1829     IMG_BACKGROUND_TITLEMESSAGE_INITIAL_2,
1830     IMG_BACKGROUND_TITLEMESSAGE_INITIAL_3,
1831     IMG_BACKGROUND_TITLEMESSAGE_INITIAL_4,
1832     IMG_BACKGROUND_TITLEMESSAGE_INITIAL_5,
1833     IMG_BACKGROUND_TITLEMESSAGE_1,
1834     IMG_BACKGROUND_TITLEMESSAGE_2,
1835     IMG_BACKGROUND_TITLEMESSAGE_3,
1836     IMG_BACKGROUND_TITLEMESSAGE_4,
1837     IMG_BACKGROUND_TITLEMESSAGE_5,
1838
1839     -1
1840   };
1841
1842   FreeGlobalAnimEventInfo();
1843
1844   checked_free(graphic_info);
1845
1846   graphic_info = checked_calloc(num_images * sizeof(struct GraphicInfo));
1847
1848   // initialize "use_image_size" flag with default value
1849   for (i = 0; i < num_images; i++)
1850     graphic_info[i].use_image_size = FALSE;
1851
1852   // initialize "use_image_size" flag from static configuration above
1853   for (i = 0; full_size_graphics[i] != -1; i++)
1854     graphic_info[full_size_graphics[i]].use_image_size = TRUE;
1855
1856   // first set all graphic paramaters ...
1857   for (i = 0; i < num_images; i++)
1858     set_graphic_parameters(i);
1859
1860   // ... then copy these parameters for cloned graphics
1861   for (i = 0; i < num_images; i++)
1862     if (graphic_info[i].clone_from != -1)
1863       set_cloned_graphic_parameters(i);
1864
1865   for (i = 0; i < num_images; i++)
1866   {
1867     Bitmap *src_bitmap = graphic_info[i].bitmap;
1868     int src_x, src_y;
1869     int width, height;
1870     int last_frame;
1871     int src_bitmap_width, src_bitmap_height;
1872
1873     // now check if no animation frames are outside of the loaded image
1874
1875     if (graphic_info[i].bitmap == NULL)
1876       continue;         // skip check for optional images that are undefined
1877
1878     // get image size (this can differ from the standard element tile size!)
1879     width  = graphic_info[i].width;
1880     height = graphic_info[i].height;
1881
1882     // get final bitmap size (with scaling, but without small images)
1883     src_bitmap_width  = graphic_info[i].src_image_width;
1884     src_bitmap_height = graphic_info[i].src_image_height;
1885
1886     // check if first animation frame is inside specified bitmap
1887
1888     // do not use getGraphicSourceXY() here to get position of first frame;
1889     // this avoids calculating wrong start position for out-of-bounds frame
1890     src_x = graphic_info[i].src_x;
1891     src_y = graphic_info[i].src_y;
1892
1893     if (program.headless)
1894       continue;
1895
1896     if (src_x < 0 || src_y < 0 ||
1897         src_x + width  > src_bitmap_width ||
1898         src_y + height > src_bitmap_height)
1899     {
1900       Warn("---");
1901       Warn("error found in config file:");
1902       Warn("- config file: '%s'", getImageConfigFilename());
1903       Warn("- config token: '%s'", getTokenFromImageID(i));
1904       Warn("- image file: '%s'", src_bitmap->source_filename);
1905       Warn("- frame size: %d, %d", width, height);
1906       Warn("error: first animation frame out of bounds (%d, %d) [%d, %d]",
1907            src_x, src_y, src_bitmap_width, src_bitmap_height);
1908       Warn("custom graphic rejected for this element/action");
1909
1910       if (i == fallback_graphic)
1911         Fail("no fallback graphic available");
1912
1913       Warn("fallback done to 'char_exclam' for this graphic");
1914       Warn("---");
1915
1916       graphic_info[i] = graphic_info[fallback_graphic];
1917
1918       // if first frame out of bounds, do not check last frame anymore
1919       continue;
1920     }
1921
1922     // check if last animation frame is inside specified bitmap
1923
1924     last_frame = graphic_info[i].anim_frames - 1;
1925     getGraphicSourceXY(i, last_frame, &src_x, &src_y, FALSE);
1926
1927     if (src_x < 0 || src_y < 0 ||
1928         src_x + width  > src_bitmap_width ||
1929         src_y + height > src_bitmap_height)
1930     {
1931       Warn("---");
1932       Warn("error found in config file:");
1933       Warn("- config file: '%s'", getImageConfigFilename());
1934       Warn("- config token: '%s'", getTokenFromImageID(i));
1935       Warn("- image file: '%s'", src_bitmap->source_filename);
1936       Warn("- frame size: %d, %d", width, height);
1937       Warn("error: last animation frame (%d) out of bounds (%d, %d) [%d, %d]",
1938            last_frame, src_x, src_y, src_bitmap_width, src_bitmap_height);
1939       Warn("custom graphic rejected for this element/action");
1940
1941       if (i == fallback_graphic)
1942         Fail("no fallback graphic available");
1943
1944       Warn("fallback done to 'char_exclam' for this graphic");
1945       Warn("---");
1946
1947       graphic_info[i] = graphic_info[fallback_graphic];
1948     }
1949   }
1950 }
1951
1952 static void InitGraphicCompatibilityInfo(void)
1953 {
1954   struct FileInfo *fi_global_door =
1955     getImageListEntryFromImageID(IMG_GLOBAL_DOOR);
1956   int num_images = getImageListSize();
1957   int i;
1958
1959   /* the following compatibility handling is needed for the following case:
1960      versions up to 3.3.0.0 used one large bitmap "global.door" for various
1961      graphics mainly used for door and panel graphics, like editor, tape and
1962      in-game buttons with hard-coded bitmap positions and button sizes; as
1963      these graphics now have individual definitions, redefining "global.door"
1964      to change all these graphics at once like before does not work anymore
1965      (because all those individual definitions still have their default values);
1966      to solve this, remap all those individual definitions that are not
1967      redefined to the new bitmap of "global.door" if it was redefined */
1968
1969   // special compatibility handling if image "global.door" was redefined
1970   if (fi_global_door->redefined)
1971   {
1972     for (i = 0; i < num_images; i++)
1973     {
1974       struct FileInfo *fi = getImageListEntryFromImageID(i);
1975
1976       // process only those images that still use the default settings
1977       if (!fi->redefined)
1978       {
1979         // process all images which default to same image as "global.door"
1980         if (strEqual(fi->default_filename, fi_global_door->default_filename))
1981         {
1982           // skip all images that are cloned from images that default to same
1983           // image as "global.door", but that are redefined to something else
1984           if (graphic_info[i].clone_from != -1)
1985           {
1986             int cloned_graphic = graphic_info[i].clone_from;
1987
1988             if (getImageListEntryFromImageID(cloned_graphic)->redefined)
1989               continue;
1990           }
1991
1992 #if 0
1993           Debug("init:InitGraphicCompatibilityInfo",
1994                 "special treatment needed for token '%s'", fi->token);
1995 #endif
1996
1997           graphic_info[i].bitmaps = graphic_info[IMG_GLOBAL_DOOR].bitmaps;
1998           graphic_info[i].bitmap  = graphic_info[IMG_GLOBAL_DOOR].bitmap;
1999         }
2000       }
2001     }
2002   }
2003
2004   // special compatibility handling for "Snake Bite" graphics set
2005   if (strPrefix(leveldir_current->identifier, "snake_bite"))
2006   {
2007     Bitmap *bitmap = graphic_info[IMG_BACKGROUND_SCORES].bitmap;
2008
2009     BlitBitmap(bitmap, bitmap, 18,  66, 32, 480, 50,  66);
2010     BlitBitmap(bitmap, bitmap, 466, 66, 32, 480, 434, 66);
2011
2012     ClearRectangle(bitmap, 2,   66, 32, 480);
2013     ClearRectangle(bitmap, 514, 66, 32, 480);
2014   }
2015
2016   // special compatibility handling for "Jue" graphics sets (2007 and 2019)
2017   boolean supports_score_info = (menu.draw_xoffset[GAME_MODE_SCOREINFO] != 0);
2018   if (strPrefix(artwork.gfx_current_identifier, "jue") && !supports_score_info)
2019   {
2020     int font_title[] =
2021     {
2022       FONT_TITLE_1,
2023       FONT_TITLE_2,
2024
2025       -1
2026     };
2027     int font_text[] =
2028     {
2029       FONT_TEXT_1,
2030       FONT_TEXT_2,
2031       FONT_TEXT_3,
2032       FONT_TEXT_4,
2033
2034       -1
2035     };
2036     int mode_old = GAME_MODE_SCORES;
2037     int mode_new = GAME_MODE_SCOREINFO;
2038     int i, j;
2039
2040     // adjust title screens on score info page
2041     for (i = 0; font_title[i] != -1; i++)
2042     {
2043       struct FontInfo *fi = &font_info[font_title[i]];
2044
2045       fi->special_graphic[mode_new]   = fi->special_graphic[mode_old];
2046       fi->special_bitmap_id[mode_new] = fi->special_bitmap_id[mode_old];
2047     }
2048
2049     // adjust vertical text and button positions on scores page
2050     for (i = 0; font_text[i] != -1; i++)
2051     {
2052       for (j = 0; j < 2; j++)
2053       {
2054         boolean jue0 = strEqual(artwork.gfx_current_identifier, "jue0");
2055         int font_nr = (j == 0 ? font_text[i] : FONT_ACTIVE(font_text[i]));
2056         int font_bitmap_id = font_info[font_nr].special_bitmap_id[mode_old];
2057         int font_yoffset = (jue0 ? 10 : 5);
2058
2059         gfx.font_bitmap_info[font_bitmap_id].draw_yoffset = font_yoffset;
2060       }
2061     }
2062
2063     // adjust page offsets on score info page
2064     menu.draw_xoffset[mode_new] = menu.draw_xoffset[mode_old];
2065     menu.draw_yoffset[mode_new] = menu.draw_yoffset[mode_old];
2066   }
2067
2068   InitGraphicCompatibilityInfo_Doors();
2069 }
2070
2071 static void InitElementSoundInfo(void)
2072 {
2073   struct PropertyMapping *property_mapping = getSoundListPropertyMapping();
2074   int num_property_mappings = getSoundListPropertyMappingSize();
2075   int i, j, act;
2076
2077   // set values to -1 to identify later as "uninitialized" values
2078   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
2079     for (act = 0; act < NUM_ACTIONS; act++)
2080       element_info[i].sound[act] = -1;
2081
2082   // initialize element/sound mapping from static configuration
2083   for (i = 0; element_to_sound[i].element > -1; i++)
2084   {
2085     int element      = element_to_sound[i].element;
2086     int action       = element_to_sound[i].action;
2087     int sound        = element_to_sound[i].sound;
2088     boolean is_class = element_to_sound[i].is_class;
2089
2090     if (action < 0)
2091       action = ACTION_DEFAULT;
2092
2093     if (!is_class)
2094       element_info[element].sound[action] = sound;
2095     else
2096       for (j = 0; j < MAX_NUM_ELEMENTS; j++)
2097         if (strEqual(element_info[j].class_name,
2098                      element_info[element].class_name))
2099           element_info[j].sound[action] = sound;
2100   }
2101
2102   // initialize element class/sound mapping from dynamic configuration
2103   for (i = 0; i < num_property_mappings; i++)
2104   {
2105     int element_class = property_mapping[i].base_index - MAX_NUM_ELEMENTS;
2106     int action        = property_mapping[i].ext1_index;
2107     int sound         = property_mapping[i].artwork_index;
2108
2109     if (element_class < 0 || element_class >= MAX_NUM_ELEMENTS)
2110       continue;
2111
2112     if (action < 0)
2113       action = ACTION_DEFAULT;
2114
2115     for (j = 0; j < MAX_NUM_ELEMENTS; j++)
2116       if (strEqual(element_info[j].class_name,
2117                    element_info[element_class].class_name))
2118         element_info[j].sound[action] = sound;
2119   }
2120
2121   // initialize element/sound mapping from dynamic configuration
2122   for (i = 0; i < num_property_mappings; i++)
2123   {
2124     int element = property_mapping[i].base_index;
2125     int action  = property_mapping[i].ext1_index;
2126     int sound   = property_mapping[i].artwork_index;
2127
2128     if (element >= MAX_NUM_ELEMENTS)
2129       continue;
2130
2131     if (action < 0)
2132       action = ACTION_DEFAULT;
2133
2134     element_info[element].sound[action] = sound;
2135   }
2136
2137   // now set all '-1' values to element specific default values
2138   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
2139   {
2140     for (act = 0; act < NUM_ACTIONS; act++)
2141     {
2142       // generic default action sound (defined by "[default]" directive)
2143       int default_action_sound = element_info[EL_DEFAULT].sound[act];
2144
2145       // look for special default action sound (classic game specific)
2146       if (IS_BD_ELEMENT(i) && element_info[EL_BD_DEFAULT].sound[act] != -1)
2147         default_action_sound = element_info[EL_BD_DEFAULT].sound[act];
2148       if (IS_SP_ELEMENT(i) && element_info[EL_SP_DEFAULT].sound[act] != -1)
2149         default_action_sound = element_info[EL_SP_DEFAULT].sound[act];
2150       if (IS_SB_ELEMENT(i) && element_info[EL_SB_DEFAULT].sound[act] != -1)
2151         default_action_sound = element_info[EL_SB_DEFAULT].sound[act];
2152       if (IS_MM_ELEMENT(i) && element_info[EL_MM_DEFAULT].sound[act] != -1)
2153         default_action_sound = element_info[EL_MM_DEFAULT].sound[act];
2154
2155       // !!! needed because EL_EMPTY_SPACE treated as IS_SP_ELEMENT !!!
2156       // !!! make this better !!!
2157       if (i == EL_EMPTY_SPACE)
2158         default_action_sound = element_info[EL_DEFAULT].sound[act];
2159
2160       // no sound for this specific action -- use default action sound
2161       if (element_info[i].sound[act] == -1)
2162         element_info[i].sound[act] = default_action_sound;
2163     }
2164   }
2165
2166   // copy sound settings to some elements that are only stored in level file
2167   // in native R'n'D levels, but are used by game engine in native EM levels
2168   for (i = 0; copy_properties[i][0] != -1; i++)
2169     for (j = 1; j <= 4; j++)
2170       for (act = 0; act < NUM_ACTIONS; act++)
2171         element_info[copy_properties[i][j]].sound[act] =
2172           element_info[copy_properties[i][0]].sound[act];
2173 }
2174
2175 static void InitGameModeSoundInfo(void)
2176 {
2177   int i;
2178
2179   // set values to -1 to identify later as "uninitialized" values
2180   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
2181     menu.sound[i] = -1;
2182
2183   // initialize gamemode/sound mapping from static configuration
2184   for (i = 0; gamemode_to_sound[i].sound > -1; i++)
2185   {
2186     int gamemode = gamemode_to_sound[i].gamemode;
2187     int sound    = gamemode_to_sound[i].sound;
2188
2189     if (gamemode < 0)
2190       gamemode = GAME_MODE_DEFAULT;
2191
2192     menu.sound[gamemode] = sound;
2193   }
2194
2195   // now set all '-1' values to levelset specific default values
2196   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
2197     if (menu.sound[i] == -1)
2198       menu.sound[i] = menu.sound[GAME_MODE_DEFAULT];
2199 }
2200
2201 static void set_sound_parameters(int sound, char **parameter_raw)
2202 {
2203   int parameter[NUM_SND_ARGS];
2204   int i;
2205
2206   // get integer values from string parameters
2207   for (i = 0; i < NUM_SND_ARGS; i++)
2208     parameter[i] =
2209       get_parameter_value(parameter_raw[i],
2210                           sound_config_suffix[i].token,
2211                           sound_config_suffix[i].type);
2212
2213   // explicit loop mode setting in configuration overrides default value
2214   if (parameter[SND_ARG_MODE_LOOP] != ARG_UNDEFINED_VALUE)
2215     sound_info[sound].loop = parameter[SND_ARG_MODE_LOOP];
2216
2217   // sound volume to change the original volume when loading the sound file
2218   sound_info[sound].volume = parameter[SND_ARG_VOLUME];
2219
2220   // sound priority to give certain sounds a higher or lower priority
2221   sound_info[sound].priority = parameter[SND_ARG_PRIORITY];
2222 }
2223
2224 static void InitSoundInfo(void)
2225 {
2226   int *sound_effect_properties;
2227   int num_sounds = getSoundListSize();
2228   int i, j;
2229
2230   checked_free(sound_info);
2231
2232   sound_effect_properties = checked_calloc(num_sounds * sizeof(int));
2233   sound_info = checked_calloc(num_sounds * sizeof(struct SoundInfo));
2234
2235   // initialize sound effect for all elements to "no sound"
2236   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
2237     for (j = 0; j < NUM_ACTIONS; j++)
2238       element_info[i].sound[j] = SND_UNDEFINED;
2239
2240   for (i = 0; i < num_sounds; i++)
2241   {
2242     struct FileInfo *sound = getSoundListEntry(i);
2243     int len_effect_text = strlen(sound->token);
2244
2245     sound_effect_properties[i] = ACTION_OTHER;
2246     sound_info[i].loop = FALSE;         // default: play sound only once
2247
2248     // determine all loop sounds and identify certain sound classes
2249
2250     for (j = 0; element_action_info[j].suffix; j++)
2251     {
2252       int len_action_text = strlen(element_action_info[j].suffix);
2253
2254       if (len_action_text < len_effect_text &&
2255           strEqual(&sound->token[len_effect_text - len_action_text],
2256                    element_action_info[j].suffix))
2257       {
2258         sound_effect_properties[i] = element_action_info[j].value;
2259         sound_info[i].loop = element_action_info[j].is_loop_sound;
2260
2261         break;
2262       }
2263     }
2264
2265     // associate elements and some selected sound actions
2266
2267     for (j = 0; j < MAX_NUM_ELEMENTS; j++)
2268     {
2269       if (element_info[j].class_name)
2270       {
2271         int len_class_text = strlen(element_info[j].class_name);
2272
2273         if (len_class_text + 1 < len_effect_text &&
2274             strncmp(sound->token,
2275                     element_info[j].class_name, len_class_text) == 0 &&
2276             sound->token[len_class_text] == '.')
2277         {
2278           int sound_action_value = sound_effect_properties[i];
2279
2280           element_info[j].sound[sound_action_value] = i;
2281         }
2282       }
2283     }
2284
2285     set_sound_parameters(i, sound->parameter);
2286
2287 #if 0
2288     Debug("init:InitSoundInfo", "loop mode: %d ['%s']",
2289           sound_info[i].loop, sound->token);
2290 #endif
2291   }
2292
2293   free(sound_effect_properties);
2294 }
2295
2296 static void InitGameModeMusicInfo(void)
2297 {
2298   struct PropertyMapping *property_mapping = getMusicListPropertyMapping();
2299   int num_property_mappings = getMusicListPropertyMappingSize();
2300   int default_levelset_music = -1;
2301   int i;
2302
2303   // set values to -1 to identify later as "uninitialized" values
2304   for (i = 0; i < MAX_LEVELS; i++)
2305     levelset.music[i] = -1;
2306   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
2307     menu.music[i] = -1;
2308
2309   // initialize gamemode/music mapping from static configuration
2310   for (i = 0; gamemode_to_music[i].music > -1; i++)
2311   {
2312     int gamemode = gamemode_to_music[i].gamemode;
2313     int music    = gamemode_to_music[i].music;
2314
2315     if (gamemode < 0)
2316       gamemode = GAME_MODE_DEFAULT;
2317
2318     menu.music[gamemode] = music;
2319   }
2320
2321   // initialize gamemode/music mapping from dynamic configuration
2322   for (i = 0; i < num_property_mappings; i++)
2323   {
2324     int prefix   = property_mapping[i].base_index;
2325     int gamemode = property_mapping[i].ext2_index;
2326     int level    = property_mapping[i].ext3_index;
2327     int music    = property_mapping[i].artwork_index;
2328
2329     if (prefix < 0 || prefix >= NUM_MUSIC_PREFIXES)
2330       continue;
2331
2332     if (gamemode < 0)
2333       gamemode = GAME_MODE_DEFAULT;
2334
2335     // level specific music only allowed for in-game music
2336     if (level != -1 && gamemode == GAME_MODE_DEFAULT)
2337       gamemode = GAME_MODE_PLAYING;
2338
2339     if (level == -1)
2340     {
2341       level = 0;
2342       default_levelset_music = music;
2343     }
2344
2345     if (gamemode == GAME_MODE_PLAYING || gamemode == GAME_MODE_DEFAULT)
2346       levelset.music[level] = music;
2347     if (gamemode != GAME_MODE_PLAYING)
2348       menu.music[gamemode] = music;
2349   }
2350
2351   // now set all '-1' values to menu specific default values
2352   // (undefined values of "levelset.music[]" might stay at "-1" to
2353   // allow dynamic selection of music files from music directory!)
2354   for (i = 0; i < MAX_LEVELS; i++)
2355     if (levelset.music[i] == -1)
2356       levelset.music[i] = default_levelset_music;
2357   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
2358     if (menu.music[i] == -1)
2359       menu.music[i] = menu.music[GAME_MODE_DEFAULT];
2360 }
2361
2362 static void set_music_parameters(int music, char **parameter_raw)
2363 {
2364   int parameter[NUM_MUS_ARGS];
2365   int i;
2366
2367   // get integer values from string parameters
2368   for (i = 0; i < NUM_MUS_ARGS; i++)
2369     parameter[i] =
2370       get_parameter_value(parameter_raw[i],
2371                           music_config_suffix[i].token,
2372                           music_config_suffix[i].type);
2373
2374   // explicit loop mode setting in configuration overrides default value
2375   if (parameter[MUS_ARG_MODE_LOOP] != ARG_UNDEFINED_VALUE)
2376     music_info[music].loop = parameter[MUS_ARG_MODE_LOOP];
2377 }
2378
2379 static void InitMusicInfo(void)
2380 {
2381   int num_music = getMusicListSize();
2382   int i, j;
2383
2384   checked_free(music_info);
2385
2386   music_info = checked_calloc(num_music * sizeof(struct MusicInfo));
2387
2388   for (i = 0; i < num_music; i++)
2389   {
2390     struct FileInfo *music = getMusicListEntry(i);
2391     int len_music_text = strlen(music->token);
2392
2393     music_info[i].loop = TRUE;          // default: play music in loop mode
2394
2395     // determine all loop music
2396
2397     for (j = 0; music_prefix_info[j].prefix; j++)
2398     {
2399       int len_prefix_text = strlen(music_prefix_info[j].prefix);
2400
2401       if (len_prefix_text < len_music_text &&
2402           strncmp(music->token,
2403                   music_prefix_info[j].prefix, len_prefix_text) == 0)
2404       {
2405         music_info[i].loop = music_prefix_info[j].is_loop_music;
2406
2407         break;
2408       }
2409     }
2410
2411     set_music_parameters(i, music->parameter);
2412   }
2413 }
2414
2415
2416 static void InitGameInfoFromArtworkInfo(void)
2417 {
2418   // special case: store initial value of custom artwork setting
2419   game.use_masked_elements_initial = game.use_masked_elements;
2420 }
2421
2422 static void ReinitializeGraphics(void)
2423 {
2424   print_timestamp_init("ReinitializeGraphics");
2425
2426   InitGfxTileSizeInfo(game.tile_size, TILESIZE);
2427
2428   InitGraphicInfo();                    // graphic properties mapping
2429   print_timestamp_time("InitGraphicInfo");
2430   InitElementGraphicInfo();             // element game graphic mapping
2431   print_timestamp_time("InitElementGraphicInfo");
2432   InitElementSpecialGraphicInfo();      // element special graphic mapping
2433   print_timestamp_time("InitElementSpecialGraphicInfo");
2434
2435   InitElementSmallImages();             // scale elements to all needed sizes
2436   print_timestamp_time("InitElementSmallImages");
2437   InitScaledImages();                   // scale all other images, if needed
2438   print_timestamp_time("InitScaledImages");
2439   InitBitmapPointers();                 // set standard size bitmap pointers
2440   print_timestamp_time("InitBitmapPointers");
2441   InitFontGraphicInfo();                // initialize text drawing functions
2442   print_timestamp_time("InitFontGraphicInfo");
2443   InitGlobalAnimGraphicInfo();          // initialize global animation config
2444   print_timestamp_time("InitGlobalAnimGraphicInfo");
2445
2446   InitImageTextures();                  // create textures for certain images
2447   print_timestamp_time("InitImageTextures");
2448
2449   InitGraphicInfo_EM();                 // graphic mapping for EM engine
2450   print_timestamp_time("InitGraphicInfo_EM");
2451
2452   InitGraphicCompatibilityInfo();
2453   print_timestamp_time("InitGraphicCompatibilityInfo");
2454
2455   InitGadgets();
2456   print_timestamp_time("InitGadgets");
2457   InitDoors();
2458   print_timestamp_time("InitDoors");
2459
2460   InitGameInfoFromArtworkInfo();
2461
2462   print_timestamp_done("ReinitializeGraphics");
2463 }
2464
2465 static void ReinitializeSounds(void)
2466 {
2467   InitSoundInfo();              // sound properties mapping
2468   InitElementSoundInfo();       // element game sound mapping
2469   InitGameModeSoundInfo();      // game mode sound mapping
2470   InitGlobalAnimSoundInfo();    // global animation sound settings
2471
2472   InitPlayLevelSound();         // internal game sound settings
2473 }
2474
2475 static void ReinitializeMusic(void)
2476 {
2477   InitMusicInfo();              // music properties mapping
2478   InitGameModeMusicInfo();      // game mode music mapping
2479   InitGlobalAnimMusicInfo();    // global animation music settings
2480 }
2481
2482 static int get_special_property_bit(int element, int property_bit_nr)
2483 {
2484   struct PropertyBitInfo
2485   {
2486     int element;
2487     int bit_nr;
2488   };
2489
2490   static struct PropertyBitInfo pb_can_move_into_acid[] =
2491   {
2492     // the player may be able fall into acid when gravity is activated
2493     { EL_PLAYER_1,              0       },
2494     { EL_PLAYER_2,              0       },
2495     { EL_PLAYER_3,              0       },
2496     { EL_PLAYER_4,              0       },
2497     { EL_SP_MURPHY,             0       },
2498     { EL_SOKOBAN_FIELD_PLAYER,  0       },
2499
2500     // all elements that can move may be able to also move into acid
2501     { EL_BUG,                   1       },
2502     { EL_BUG_LEFT,              1       },
2503     { EL_BUG_RIGHT,             1       },
2504     { EL_BUG_UP,                1       },
2505     { EL_BUG_DOWN,              1       },
2506     { EL_SPACESHIP,             2       },
2507     { EL_SPACESHIP_LEFT,        2       },
2508     { EL_SPACESHIP_RIGHT,       2       },
2509     { EL_SPACESHIP_UP,          2       },
2510     { EL_SPACESHIP_DOWN,        2       },
2511     { EL_BD_BUTTERFLY,          3       },
2512     { EL_BD_BUTTERFLY_LEFT,     3       },
2513     { EL_BD_BUTTERFLY_RIGHT,    3       },
2514     { EL_BD_BUTTERFLY_UP,       3       },
2515     { EL_BD_BUTTERFLY_DOWN,     3       },
2516     { EL_BD_FIREFLY,            4       },
2517     { EL_BD_FIREFLY_LEFT,       4       },
2518     { EL_BD_FIREFLY_RIGHT,      4       },
2519     { EL_BD_FIREFLY_UP,         4       },
2520     { EL_BD_FIREFLY_DOWN,       4       },
2521     { EL_YAMYAM,                5       },
2522     { EL_YAMYAM_LEFT,           5       },
2523     { EL_YAMYAM_RIGHT,          5       },
2524     { EL_YAMYAM_UP,             5       },
2525     { EL_YAMYAM_DOWN,           5       },
2526     { EL_DARK_YAMYAM,           6       },
2527     { EL_ROBOT,                 7       },
2528     { EL_PACMAN,                8       },
2529     { EL_PACMAN_LEFT,           8       },
2530     { EL_PACMAN_RIGHT,          8       },
2531     { EL_PACMAN_UP,             8       },
2532     { EL_PACMAN_DOWN,           8       },
2533     { EL_MOLE,                  9       },
2534     { EL_MOLE_LEFT,             9       },
2535     { EL_MOLE_RIGHT,            9       },
2536     { EL_MOLE_UP,               9       },
2537     { EL_MOLE_DOWN,             9       },
2538     { EL_PENGUIN,               10      },
2539     { EL_PIG,                   11      },
2540     { EL_DRAGON,                12      },
2541     { EL_SATELLITE,             13      },
2542     { EL_SP_SNIKSNAK,           14      },
2543     { EL_SP_ELECTRON,           15      },
2544     { EL_BALLOON,               16      },
2545     { EL_SPRING,                17      },
2546     { EL_SPRING_LEFT,           17      },
2547     { EL_SPRING_RIGHT,          17      },
2548     { EL_EMC_ANDROID,           18      },
2549
2550     { -1,                       -1      },
2551   };
2552
2553   static struct PropertyBitInfo pb_dont_collide_with[] =
2554   {
2555     { EL_SP_SNIKSNAK,           0       },
2556     { EL_SP_ELECTRON,           1       },
2557
2558     { -1,                       -1      },
2559   };
2560
2561   static struct
2562   {
2563     int bit_nr;
2564     struct PropertyBitInfo *pb_info;
2565   } pb_definition[] =
2566   {
2567     { EP_CAN_MOVE_INTO_ACID,    pb_can_move_into_acid   },
2568     { EP_DONT_COLLIDE_WITH,     pb_dont_collide_with    },
2569
2570     { -1,                       NULL                    },
2571   };
2572
2573   struct PropertyBitInfo *pb_info = NULL;
2574   int i;
2575
2576   for (i = 0; pb_definition[i].bit_nr != -1; i++)
2577     if (pb_definition[i].bit_nr == property_bit_nr)
2578       pb_info = pb_definition[i].pb_info;
2579
2580   if (pb_info == NULL)
2581     return -1;
2582
2583   for (i = 0; pb_info[i].element != -1; i++)
2584     if (pb_info[i].element == element)
2585       return pb_info[i].bit_nr;
2586
2587   return -1;
2588 }
2589
2590 void setBitfieldProperty(int *bitfield, int property_bit_nr, int element,
2591                          boolean property_value)
2592 {
2593   int bit_nr = get_special_property_bit(element, property_bit_nr);
2594
2595   if (bit_nr > -1)
2596   {
2597     if (property_value)
2598       *bitfield |=  (1 << bit_nr);
2599     else
2600       *bitfield &= ~(1 << bit_nr);
2601   }
2602 }
2603
2604 boolean getBitfieldProperty(int *bitfield, int property_bit_nr, int element)
2605 {
2606   int bit_nr = get_special_property_bit(element, property_bit_nr);
2607
2608   if (bit_nr > -1)
2609     return ((*bitfield & (1 << bit_nr)) != 0);
2610
2611   return FALSE;
2612 }
2613
2614 static void ResolveGroupElementExt(int group_element, int recursion_depth)
2615 {
2616   static int group_nr;
2617   static struct ElementGroupInfo *group;
2618   struct ElementGroupInfo *actual_group = element_info[group_element].group;
2619   int i;
2620
2621   if (actual_group == NULL)                     // not yet initialized
2622     return;
2623
2624   if (recursion_depth > NUM_GROUP_ELEMENTS)     // recursion too deep
2625   {
2626     Warn("recursion too deep when resolving group element %d",
2627           group_element - EL_GROUP_START + 1);
2628
2629     // replace element which caused too deep recursion by question mark
2630     group->element_resolved[group->num_elements_resolved++] = EL_UNKNOWN;
2631
2632     return;
2633   }
2634
2635   if (recursion_depth == 0)                     // initialization
2636   {
2637     group = actual_group;
2638     group_nr = GROUP_NR(group_element);
2639
2640     group->num_elements_resolved = 0;
2641     group->choice_pos = 0;
2642
2643     for (i = 0; i < MAX_NUM_ELEMENTS; i++)
2644       element_info[i].in_group[group_nr] = FALSE;
2645   }
2646
2647   for (i = 0; i < actual_group->num_elements; i++)
2648   {
2649     int element = actual_group->element[i];
2650
2651     if (group->num_elements_resolved == NUM_FILE_ELEMENTS)
2652       break;
2653
2654     if (IS_GROUP_ELEMENT(element))
2655       ResolveGroupElementExt(element, recursion_depth + 1);
2656     else
2657     {
2658       group->element_resolved[group->num_elements_resolved++] = element;
2659       element_info[element].in_group[group_nr] = TRUE;
2660     }
2661   }
2662 }
2663
2664 void ResolveGroupElement(int group_element)
2665 {
2666   ResolveGroupElementExt(group_element, 0);
2667 }
2668
2669 void InitElementPropertiesStatic(void)
2670 {
2671   static boolean clipboard_elements_initialized = FALSE;
2672
2673   static int ep_diggable[] =
2674   {
2675     EL_SAND,
2676     EL_SP_BASE,
2677     EL_SP_BUGGY_BASE,
2678     EL_SP_BUGGY_BASE_ACTIVATING,
2679     EL_TRAP,
2680     EL_INVISIBLE_SAND,
2681     EL_INVISIBLE_SAND_ACTIVE,
2682     EL_EMC_GRASS,
2683
2684     // !!! currently not diggable, but handled by 'ep_dont_run_into' !!!
2685     // (if amoeba can grow into anything diggable, maybe keep these out)
2686 #if 0
2687     EL_LANDMINE,
2688     EL_DC_LANDMINE,
2689     EL_TRAP_ACTIVE,
2690     EL_SP_BUGGY_BASE_ACTIVE,
2691     EL_EMC_PLANT,
2692 #endif
2693
2694     -1
2695   };
2696
2697   static int ep_collectible_only[] =
2698   {
2699     EL_BD_DIAMOND,
2700     EL_EMERALD,
2701     EL_DIAMOND,
2702     EL_EMERALD_YELLOW,
2703     EL_EMERALD_RED,
2704     EL_EMERALD_PURPLE,
2705     EL_KEY_1,
2706     EL_KEY_2,
2707     EL_KEY_3,
2708     EL_KEY_4,
2709     EL_EM_KEY_1,
2710     EL_EM_KEY_2,
2711     EL_EM_KEY_3,
2712     EL_EM_KEY_4,
2713     EL_EMC_KEY_5,
2714     EL_EMC_KEY_6,
2715     EL_EMC_KEY_7,
2716     EL_EMC_KEY_8,
2717     EL_DYNAMITE,
2718     EL_EM_DYNAMITE,
2719     EL_DYNABOMB_INCREASE_NUMBER,
2720     EL_DYNABOMB_INCREASE_SIZE,
2721     EL_DYNABOMB_INCREASE_POWER,
2722     EL_SP_INFOTRON,
2723     EL_SP_DISK_RED,
2724     EL_PEARL,
2725     EL_CRYSTAL,
2726     EL_DC_KEY_WHITE,
2727     EL_SHIELD_NORMAL,
2728     EL_SHIELD_DEADLY,
2729     EL_EXTRA_TIME,
2730     EL_ENVELOPE_1,
2731     EL_ENVELOPE_2,
2732     EL_ENVELOPE_3,
2733     EL_ENVELOPE_4,
2734     EL_SPEED_PILL,
2735     EL_EMC_LENSES,
2736     EL_EMC_MAGNIFIER,
2737
2738 #if 0
2739     // !!! handle separately !!!
2740     EL_DC_LANDMINE,     // deadly when running into, but can be snapped
2741 #endif
2742
2743     -1
2744   };
2745
2746   static int ep_dont_run_into[] =
2747   {
2748     // same elements as in 'ep_dont_touch'
2749     EL_BUG,
2750     EL_SPACESHIP,
2751     EL_BD_BUTTERFLY,
2752     EL_BD_FIREFLY,
2753
2754     // same elements as in 'ep_dont_collide_with'
2755     EL_YAMYAM,
2756     EL_DARK_YAMYAM,
2757     EL_ROBOT,
2758     EL_PACMAN,
2759     EL_SP_SNIKSNAK,
2760     EL_SP_ELECTRON,
2761
2762     // new elements
2763     EL_AMOEBA_DROP,
2764     EL_ACID,
2765
2766     // !!! maybe this should better be handled by 'ep_diggable' !!!
2767 #if 1
2768     EL_LANDMINE,
2769     EL_DC_LANDMINE,
2770     EL_TRAP_ACTIVE,
2771     EL_SP_BUGGY_BASE_ACTIVE,
2772     EL_EMC_PLANT,
2773 #endif
2774
2775     -1
2776   };
2777
2778   static int ep_dont_collide_with[] =
2779   {
2780     // same elements as in 'ep_dont_touch'
2781     EL_BUG,
2782     EL_SPACESHIP,
2783     EL_BD_BUTTERFLY,
2784     EL_BD_FIREFLY,
2785
2786     // new elements
2787     EL_YAMYAM,
2788     EL_DARK_YAMYAM,
2789     EL_ROBOT,
2790     EL_PACMAN,
2791     EL_SP_SNIKSNAK,
2792     EL_SP_ELECTRON,
2793
2794     -1
2795   };
2796
2797   static int ep_dont_touch[] =
2798   {
2799     EL_BUG,
2800     EL_SPACESHIP,
2801     EL_BD_BUTTERFLY,
2802     EL_BD_FIREFLY,
2803
2804     -1
2805   };
2806
2807   static int ep_indestructible[] =
2808   {
2809     EL_STEELWALL,
2810     EL_ACID,
2811     EL_ACID_POOL_TOPLEFT,
2812     EL_ACID_POOL_TOPRIGHT,
2813     EL_ACID_POOL_BOTTOMLEFT,
2814     EL_ACID_POOL_BOTTOM,
2815     EL_ACID_POOL_BOTTOMRIGHT,
2816     EL_SP_HARDWARE_GRAY,
2817     EL_SP_HARDWARE_GREEN,
2818     EL_SP_HARDWARE_BLUE,
2819     EL_SP_HARDWARE_RED,
2820     EL_SP_HARDWARE_YELLOW,
2821     EL_SP_HARDWARE_BASE_1,
2822     EL_SP_HARDWARE_BASE_2,
2823     EL_SP_HARDWARE_BASE_3,
2824     EL_SP_HARDWARE_BASE_4,
2825     EL_SP_HARDWARE_BASE_5,
2826     EL_SP_HARDWARE_BASE_6,
2827     EL_INVISIBLE_STEELWALL,
2828     EL_INVISIBLE_STEELWALL_ACTIVE,
2829     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2830     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2831     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2832     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2833     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2834     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2835     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2836     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2837     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2838     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2839     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2840     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2841     EL_LIGHT_SWITCH,
2842     EL_LIGHT_SWITCH_ACTIVE,
2843     EL_SIGN_EXCLAMATION,
2844     EL_SIGN_RADIOACTIVITY,
2845     EL_SIGN_STOP,
2846     EL_SIGN_WHEELCHAIR,
2847     EL_SIGN_PARKING,
2848     EL_SIGN_NO_ENTRY,
2849     EL_SIGN_UNUSED_1,
2850     EL_SIGN_GIVE_WAY,
2851     EL_SIGN_ENTRY_FORBIDDEN,
2852     EL_SIGN_EMERGENCY_EXIT,
2853     EL_SIGN_YIN_YANG,
2854     EL_SIGN_UNUSED_2,
2855     EL_SIGN_SPERMS,
2856     EL_SIGN_BULLET,
2857     EL_SIGN_HEART,
2858     EL_SIGN_CROSS,
2859     EL_SIGN_FRANKIE,
2860     EL_STEEL_EXIT_CLOSED,
2861     EL_STEEL_EXIT_OPEN,
2862     EL_STEEL_EXIT_OPENING,
2863     EL_STEEL_EXIT_CLOSING,
2864     EL_EM_STEEL_EXIT_CLOSED,
2865     EL_EM_STEEL_EXIT_OPEN,
2866     EL_EM_STEEL_EXIT_OPENING,
2867     EL_EM_STEEL_EXIT_CLOSING,
2868     EL_DC_STEELWALL_1_LEFT,
2869     EL_DC_STEELWALL_1_RIGHT,
2870     EL_DC_STEELWALL_1_TOP,
2871     EL_DC_STEELWALL_1_BOTTOM,
2872     EL_DC_STEELWALL_1_HORIZONTAL,
2873     EL_DC_STEELWALL_1_VERTICAL,
2874     EL_DC_STEELWALL_1_TOPLEFT,
2875     EL_DC_STEELWALL_1_TOPRIGHT,
2876     EL_DC_STEELWALL_1_BOTTOMLEFT,
2877     EL_DC_STEELWALL_1_BOTTOMRIGHT,
2878     EL_DC_STEELWALL_1_TOPLEFT_2,
2879     EL_DC_STEELWALL_1_TOPRIGHT_2,
2880     EL_DC_STEELWALL_1_BOTTOMLEFT_2,
2881     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
2882     EL_DC_STEELWALL_2_LEFT,
2883     EL_DC_STEELWALL_2_RIGHT,
2884     EL_DC_STEELWALL_2_TOP,
2885     EL_DC_STEELWALL_2_BOTTOM,
2886     EL_DC_STEELWALL_2_HORIZONTAL,
2887     EL_DC_STEELWALL_2_VERTICAL,
2888     EL_DC_STEELWALL_2_MIDDLE,
2889     EL_DC_STEELWALL_2_SINGLE,
2890     EL_STEELWALL_SLIPPERY,
2891     EL_EMC_STEELWALL_1,
2892     EL_EMC_STEELWALL_2,
2893     EL_EMC_STEELWALL_3,
2894     EL_EMC_STEELWALL_4,
2895     EL_CRYSTAL,
2896     EL_GATE_1,
2897     EL_GATE_2,
2898     EL_GATE_3,
2899     EL_GATE_4,
2900     EL_GATE_1_GRAY,
2901     EL_GATE_2_GRAY,
2902     EL_GATE_3_GRAY,
2903     EL_GATE_4_GRAY,
2904     EL_GATE_1_GRAY_ACTIVE,
2905     EL_GATE_2_GRAY_ACTIVE,
2906     EL_GATE_3_GRAY_ACTIVE,
2907     EL_GATE_4_GRAY_ACTIVE,
2908     EL_EM_GATE_1,
2909     EL_EM_GATE_2,
2910     EL_EM_GATE_3,
2911     EL_EM_GATE_4,
2912     EL_EM_GATE_1_GRAY,
2913     EL_EM_GATE_2_GRAY,
2914     EL_EM_GATE_3_GRAY,
2915     EL_EM_GATE_4_GRAY,
2916     EL_EM_GATE_1_GRAY_ACTIVE,
2917     EL_EM_GATE_2_GRAY_ACTIVE,
2918     EL_EM_GATE_3_GRAY_ACTIVE,
2919     EL_EM_GATE_4_GRAY_ACTIVE,
2920     EL_EMC_GATE_5,
2921     EL_EMC_GATE_6,
2922     EL_EMC_GATE_7,
2923     EL_EMC_GATE_8,
2924     EL_EMC_GATE_5_GRAY,
2925     EL_EMC_GATE_6_GRAY,
2926     EL_EMC_GATE_7_GRAY,
2927     EL_EMC_GATE_8_GRAY,
2928     EL_EMC_GATE_5_GRAY_ACTIVE,
2929     EL_EMC_GATE_6_GRAY_ACTIVE,
2930     EL_EMC_GATE_7_GRAY_ACTIVE,
2931     EL_EMC_GATE_8_GRAY_ACTIVE,
2932     EL_DC_GATE_WHITE,
2933     EL_DC_GATE_WHITE_GRAY,
2934     EL_DC_GATE_WHITE_GRAY_ACTIVE,
2935     EL_DC_GATE_FAKE_GRAY,
2936     EL_SWITCHGATE_OPEN,
2937     EL_SWITCHGATE_OPENING,
2938     EL_SWITCHGATE_CLOSED,
2939     EL_SWITCHGATE_CLOSING,
2940     EL_DC_SWITCHGATE_SWITCH_UP,
2941     EL_DC_SWITCHGATE_SWITCH_DOWN,
2942     EL_TIMEGATE_OPEN,
2943     EL_TIMEGATE_OPENING,
2944     EL_TIMEGATE_CLOSED,
2945     EL_TIMEGATE_CLOSING,
2946     EL_DC_TIMEGATE_SWITCH,
2947     EL_DC_TIMEGATE_SWITCH_ACTIVE,
2948     EL_TUBE_ANY,
2949     EL_TUBE_VERTICAL,
2950     EL_TUBE_HORIZONTAL,
2951     EL_TUBE_VERTICAL_LEFT,
2952     EL_TUBE_VERTICAL_RIGHT,
2953     EL_TUBE_HORIZONTAL_UP,
2954     EL_TUBE_HORIZONTAL_DOWN,
2955     EL_TUBE_LEFT_UP,
2956     EL_TUBE_LEFT_DOWN,
2957     EL_TUBE_RIGHT_UP,
2958     EL_TUBE_RIGHT_DOWN,
2959     EL_EXPANDABLE_STEELWALL_HORIZONTAL,
2960     EL_EXPANDABLE_STEELWALL_VERTICAL,
2961     EL_EXPANDABLE_STEELWALL_ANY,
2962
2963     -1
2964   };
2965
2966   static int ep_slippery[] =
2967   {
2968     EL_WALL_SLIPPERY,
2969     EL_BD_WALL,
2970     EL_ROCK,
2971     EL_BD_ROCK,
2972     EL_EMERALD,
2973     EL_BD_DIAMOND,
2974     EL_EMERALD_YELLOW,
2975     EL_EMERALD_RED,
2976     EL_EMERALD_PURPLE,
2977     EL_DIAMOND,
2978     EL_BOMB,
2979     EL_NUT,
2980     EL_ROBOT_WHEEL_ACTIVE,
2981     EL_ROBOT_WHEEL,
2982     EL_TIME_ORB_FULL,
2983     EL_TIME_ORB_EMPTY,
2984     EL_LAMP_ACTIVE,
2985     EL_LAMP,
2986     EL_ACID_POOL_TOPLEFT,
2987     EL_ACID_POOL_TOPRIGHT,
2988     EL_SATELLITE,
2989     EL_SP_ZONK,
2990     EL_SP_INFOTRON,
2991     EL_SP_CHIP_SINGLE,
2992     EL_SP_CHIP_LEFT,
2993     EL_SP_CHIP_RIGHT,
2994     EL_SP_CHIP_TOP,
2995     EL_SP_CHIP_BOTTOM,
2996     EL_SPEED_PILL,
2997     EL_STEELWALL_SLIPPERY,
2998     EL_PEARL,
2999     EL_CRYSTAL,
3000     EL_EMC_WALL_SLIPPERY_1,
3001     EL_EMC_WALL_SLIPPERY_2,
3002     EL_EMC_WALL_SLIPPERY_3,
3003     EL_EMC_WALL_SLIPPERY_4,
3004     EL_EMC_MAGIC_BALL,
3005     EL_EMC_MAGIC_BALL_ACTIVE,
3006
3007     -1
3008   };
3009
3010   static int ep_can_change[] =
3011   {
3012     -1
3013   };
3014
3015   static int ep_can_move[] =
3016   {
3017     // same elements as in 'pb_can_move_into_acid'
3018     EL_BUG,
3019     EL_SPACESHIP,
3020     EL_BD_BUTTERFLY,
3021     EL_BD_FIREFLY,
3022     EL_YAMYAM,
3023     EL_DARK_YAMYAM,
3024     EL_ROBOT,
3025     EL_PACMAN,
3026     EL_MOLE,
3027     EL_PENGUIN,
3028     EL_PIG,
3029     EL_DRAGON,
3030     EL_SATELLITE,
3031     EL_SP_SNIKSNAK,
3032     EL_SP_ELECTRON,
3033     EL_BALLOON,
3034     EL_SPRING,
3035     EL_EMC_ANDROID,
3036
3037     -1
3038   };
3039
3040   static int ep_can_fall[] =
3041   {
3042     EL_ROCK,
3043     EL_BD_ROCK,
3044     EL_EMERALD,
3045     EL_BD_DIAMOND,
3046     EL_EMERALD_YELLOW,
3047     EL_EMERALD_RED,
3048     EL_EMERALD_PURPLE,
3049     EL_DIAMOND,
3050     EL_BOMB,
3051     EL_NUT,
3052     EL_AMOEBA_DROP,
3053     EL_AMOEBA_DROPPING,
3054     EL_QUICKSAND_FULL,
3055     EL_QUICKSAND_FAST_FULL,
3056     EL_MAGIC_WALL_FULL,
3057     EL_BD_MAGIC_WALL_FULL,
3058     EL_DC_MAGIC_WALL_FULL,
3059     EL_TIME_ORB_FULL,
3060     EL_TIME_ORB_EMPTY,
3061     EL_SP_ZONK,
3062     EL_SP_INFOTRON,
3063     EL_SP_DISK_ORANGE,
3064     EL_PEARL,
3065     EL_CRYSTAL,
3066     EL_SPRING,
3067     EL_DX_SUPABOMB,
3068
3069     -1
3070   };
3071
3072   static int ep_can_smash_player[] =
3073   {
3074     EL_ROCK,
3075     EL_BD_ROCK,
3076     EL_EMERALD,
3077     EL_BD_DIAMOND,
3078     EL_EMERALD_YELLOW,
3079     EL_EMERALD_RED,
3080     EL_EMERALD_PURPLE,
3081     EL_DIAMOND,
3082     EL_BOMB,
3083     EL_NUT,
3084     EL_AMOEBA_DROP,
3085     EL_TIME_ORB_FULL,
3086     EL_TIME_ORB_EMPTY,
3087     EL_SP_ZONK,
3088     EL_SP_INFOTRON,
3089     EL_SP_DISK_ORANGE,
3090     EL_PEARL,
3091     EL_CRYSTAL,
3092     EL_SPRING,
3093     EL_DX_SUPABOMB,
3094
3095     -1
3096   };
3097
3098   static int ep_can_smash_enemies[] =
3099   {
3100     EL_ROCK,
3101     EL_BD_ROCK,
3102     EL_SP_ZONK,
3103
3104     -1
3105   };
3106
3107   static int ep_can_smash_everything[] =
3108   {
3109     EL_ROCK,
3110     EL_BD_ROCK,
3111     EL_SP_ZONK,
3112
3113     -1
3114   };
3115
3116   static int ep_explodes_by_fire[] =
3117   {
3118     // same elements as in 'ep_explodes_impact'
3119     EL_BOMB,
3120     EL_SP_DISK_ORANGE,
3121     EL_DX_SUPABOMB,
3122
3123     // same elements as in 'ep_explodes_smashed'
3124     EL_SATELLITE,
3125     EL_PIG,
3126     EL_DRAGON,
3127     EL_MOLE,
3128
3129     // new elements
3130     EL_DYNAMITE,
3131     EL_DYNAMITE_ACTIVE,
3132     EL_EM_DYNAMITE,
3133     EL_EM_DYNAMITE_ACTIVE,
3134     EL_DYNABOMB_PLAYER_1_ACTIVE,
3135     EL_DYNABOMB_PLAYER_2_ACTIVE,
3136     EL_DYNABOMB_PLAYER_3_ACTIVE,
3137     EL_DYNABOMB_PLAYER_4_ACTIVE,
3138     EL_DYNABOMB_INCREASE_NUMBER,
3139     EL_DYNABOMB_INCREASE_SIZE,
3140     EL_DYNABOMB_INCREASE_POWER,
3141     EL_SP_DISK_RED_ACTIVE,
3142     EL_BUG,
3143     EL_PENGUIN,
3144     EL_SP_DISK_RED,
3145     EL_SP_DISK_YELLOW,
3146     EL_SP_SNIKSNAK,
3147     EL_SP_ELECTRON,
3148 #if 0
3149     EL_BLACK_ORB,
3150 #endif
3151
3152     -1
3153   };
3154
3155   static int ep_explodes_smashed[] =
3156   {
3157     // same elements as in 'ep_explodes_impact'
3158     EL_BOMB,
3159     EL_SP_DISK_ORANGE,
3160     EL_DX_SUPABOMB,
3161
3162     // new elements
3163     EL_SATELLITE,
3164     EL_PIG,
3165     EL_DRAGON,
3166     EL_MOLE,
3167
3168     -1
3169   };
3170
3171   static int ep_explodes_impact[] =
3172   {
3173     EL_BOMB,
3174     EL_SP_DISK_ORANGE,
3175     EL_DX_SUPABOMB,
3176
3177     -1
3178   };
3179
3180   static int ep_walkable_over[] =
3181   {
3182     EL_EMPTY_SPACE,
3183     EL_EMPTY_SPACE_1,
3184     EL_EMPTY_SPACE_2,
3185     EL_EMPTY_SPACE_3,
3186     EL_EMPTY_SPACE_4,
3187     EL_EMPTY_SPACE_5,
3188     EL_EMPTY_SPACE_6,
3189     EL_EMPTY_SPACE_7,
3190     EL_EMPTY_SPACE_8,
3191     EL_EMPTY_SPACE_9,
3192     EL_EMPTY_SPACE_10,
3193     EL_EMPTY_SPACE_11,
3194     EL_EMPTY_SPACE_12,
3195     EL_EMPTY_SPACE_13,
3196     EL_EMPTY_SPACE_14,
3197     EL_EMPTY_SPACE_15,
3198     EL_EMPTY_SPACE_16,
3199     EL_SP_EMPTY_SPACE,
3200     EL_SOKOBAN_FIELD_EMPTY,
3201     EL_EXIT_OPEN,
3202     EL_EM_EXIT_OPEN,
3203     EL_EM_EXIT_OPENING,
3204     EL_SP_EXIT_OPEN,
3205     EL_SP_EXIT_OPENING,
3206     EL_STEEL_EXIT_OPEN,
3207     EL_EM_STEEL_EXIT_OPEN,
3208     EL_EM_STEEL_EXIT_OPENING,
3209     EL_GATE_1,
3210     EL_GATE_2,
3211     EL_GATE_3,
3212     EL_GATE_4,
3213     EL_GATE_1_GRAY,
3214     EL_GATE_2_GRAY,
3215     EL_GATE_3_GRAY,
3216     EL_GATE_4_GRAY,
3217     EL_GATE_1_GRAY_ACTIVE,
3218     EL_GATE_2_GRAY_ACTIVE,
3219     EL_GATE_3_GRAY_ACTIVE,
3220     EL_GATE_4_GRAY_ACTIVE,
3221     EL_PENGUIN,
3222     EL_PIG,
3223     EL_DRAGON,
3224
3225     -1
3226   };
3227
3228   static int ep_walkable_inside[] =
3229   {
3230     EL_TUBE_ANY,
3231     EL_TUBE_VERTICAL,
3232     EL_TUBE_HORIZONTAL,
3233     EL_TUBE_VERTICAL_LEFT,
3234     EL_TUBE_VERTICAL_RIGHT,
3235     EL_TUBE_HORIZONTAL_UP,
3236     EL_TUBE_HORIZONTAL_DOWN,
3237     EL_TUBE_LEFT_UP,
3238     EL_TUBE_LEFT_DOWN,
3239     EL_TUBE_RIGHT_UP,
3240     EL_TUBE_RIGHT_DOWN,
3241
3242     -1
3243   };
3244
3245   static int ep_walkable_under[] =
3246   {
3247     -1
3248   };
3249
3250   static int ep_passable_over[] =
3251   {
3252     EL_EM_GATE_1,
3253     EL_EM_GATE_2,
3254     EL_EM_GATE_3,
3255     EL_EM_GATE_4,
3256     EL_EM_GATE_1_GRAY,
3257     EL_EM_GATE_2_GRAY,
3258     EL_EM_GATE_3_GRAY,
3259     EL_EM_GATE_4_GRAY,
3260     EL_EM_GATE_1_GRAY_ACTIVE,
3261     EL_EM_GATE_2_GRAY_ACTIVE,
3262     EL_EM_GATE_3_GRAY_ACTIVE,
3263     EL_EM_GATE_4_GRAY_ACTIVE,
3264     EL_EMC_GATE_5,
3265     EL_EMC_GATE_6,
3266     EL_EMC_GATE_7,
3267     EL_EMC_GATE_8,
3268     EL_EMC_GATE_5_GRAY,
3269     EL_EMC_GATE_6_GRAY,
3270     EL_EMC_GATE_7_GRAY,
3271     EL_EMC_GATE_8_GRAY,
3272     EL_EMC_GATE_5_GRAY_ACTIVE,
3273     EL_EMC_GATE_6_GRAY_ACTIVE,
3274     EL_EMC_GATE_7_GRAY_ACTIVE,
3275     EL_EMC_GATE_8_GRAY_ACTIVE,
3276     EL_DC_GATE_WHITE,
3277     EL_DC_GATE_WHITE_GRAY,
3278     EL_DC_GATE_WHITE_GRAY_ACTIVE,
3279     EL_SWITCHGATE_OPEN,
3280     EL_TIMEGATE_OPEN,
3281
3282     -1
3283   };
3284
3285   static int ep_passable_inside[] =
3286   {
3287     EL_SP_PORT_LEFT,
3288     EL_SP_PORT_RIGHT,
3289     EL_SP_PORT_UP,
3290     EL_SP_PORT_DOWN,
3291     EL_SP_PORT_HORIZONTAL,
3292     EL_SP_PORT_VERTICAL,
3293     EL_SP_PORT_ANY,
3294     EL_SP_GRAVITY_PORT_LEFT,
3295     EL_SP_GRAVITY_PORT_RIGHT,
3296     EL_SP_GRAVITY_PORT_UP,
3297     EL_SP_GRAVITY_PORT_DOWN,
3298     EL_SP_GRAVITY_ON_PORT_LEFT,
3299     EL_SP_GRAVITY_ON_PORT_RIGHT,
3300     EL_SP_GRAVITY_ON_PORT_UP,
3301     EL_SP_GRAVITY_ON_PORT_DOWN,
3302     EL_SP_GRAVITY_OFF_PORT_LEFT,
3303     EL_SP_GRAVITY_OFF_PORT_RIGHT,
3304     EL_SP_GRAVITY_OFF_PORT_UP,
3305     EL_SP_GRAVITY_OFF_PORT_DOWN,
3306
3307     -1
3308   };
3309
3310   static int ep_passable_under[] =
3311   {
3312     -1
3313   };
3314
3315   static int ep_droppable[] =
3316   {
3317     -1
3318   };
3319
3320   static int ep_explodes_1x1_old[] =
3321   {
3322     -1
3323   };
3324
3325   static int ep_pushable[] =
3326   {
3327     EL_ROCK,
3328     EL_BOMB,
3329     EL_DX_SUPABOMB,
3330     EL_NUT,
3331     EL_TIME_ORB_EMPTY,
3332     EL_SP_ZONK,
3333     EL_SP_DISK_ORANGE,
3334     EL_SPRING,
3335     EL_BD_ROCK,
3336     EL_SOKOBAN_OBJECT,
3337     EL_SOKOBAN_FIELD_FULL,
3338     EL_SATELLITE,
3339     EL_SP_DISK_YELLOW,
3340     EL_BALLOON,
3341     EL_EMC_ANDROID,
3342
3343     -1
3344   };
3345
3346   static int ep_explodes_cross_old[] =
3347   {
3348     -1
3349   };
3350
3351   static int ep_protected[] =
3352   {
3353     // same elements as in 'ep_walkable_inside'
3354     EL_TUBE_ANY,
3355     EL_TUBE_VERTICAL,
3356     EL_TUBE_HORIZONTAL,
3357     EL_TUBE_VERTICAL_LEFT,
3358     EL_TUBE_VERTICAL_RIGHT,
3359     EL_TUBE_HORIZONTAL_UP,
3360     EL_TUBE_HORIZONTAL_DOWN,
3361     EL_TUBE_LEFT_UP,
3362     EL_TUBE_LEFT_DOWN,
3363     EL_TUBE_RIGHT_UP,
3364     EL_TUBE_RIGHT_DOWN,
3365
3366     // same elements as in 'ep_passable_over'
3367     EL_EM_GATE_1,
3368     EL_EM_GATE_2,
3369     EL_EM_GATE_3,
3370     EL_EM_GATE_4,
3371     EL_EM_GATE_1_GRAY,
3372     EL_EM_GATE_2_GRAY,
3373     EL_EM_GATE_3_GRAY,
3374     EL_EM_GATE_4_GRAY,
3375     EL_EM_GATE_1_GRAY_ACTIVE,
3376     EL_EM_GATE_2_GRAY_ACTIVE,
3377     EL_EM_GATE_3_GRAY_ACTIVE,
3378     EL_EM_GATE_4_GRAY_ACTIVE,
3379     EL_EMC_GATE_5,
3380     EL_EMC_GATE_6,
3381     EL_EMC_GATE_7,
3382     EL_EMC_GATE_8,
3383     EL_EMC_GATE_5_GRAY,
3384     EL_EMC_GATE_6_GRAY,
3385     EL_EMC_GATE_7_GRAY,
3386     EL_EMC_GATE_8_GRAY,
3387     EL_EMC_GATE_5_GRAY_ACTIVE,
3388     EL_EMC_GATE_6_GRAY_ACTIVE,
3389     EL_EMC_GATE_7_GRAY_ACTIVE,
3390     EL_EMC_GATE_8_GRAY_ACTIVE,
3391     EL_DC_GATE_WHITE,
3392     EL_DC_GATE_WHITE_GRAY,
3393     EL_DC_GATE_WHITE_GRAY_ACTIVE,
3394     EL_SWITCHGATE_OPEN,
3395     EL_TIMEGATE_OPEN,
3396
3397     // same elements as in 'ep_passable_inside'
3398     EL_SP_PORT_LEFT,
3399     EL_SP_PORT_RIGHT,
3400     EL_SP_PORT_UP,
3401     EL_SP_PORT_DOWN,
3402     EL_SP_PORT_HORIZONTAL,
3403     EL_SP_PORT_VERTICAL,
3404     EL_SP_PORT_ANY,
3405     EL_SP_GRAVITY_PORT_LEFT,
3406     EL_SP_GRAVITY_PORT_RIGHT,
3407     EL_SP_GRAVITY_PORT_UP,
3408     EL_SP_GRAVITY_PORT_DOWN,
3409     EL_SP_GRAVITY_ON_PORT_LEFT,
3410     EL_SP_GRAVITY_ON_PORT_RIGHT,
3411     EL_SP_GRAVITY_ON_PORT_UP,
3412     EL_SP_GRAVITY_ON_PORT_DOWN,
3413     EL_SP_GRAVITY_OFF_PORT_LEFT,
3414     EL_SP_GRAVITY_OFF_PORT_RIGHT,
3415     EL_SP_GRAVITY_OFF_PORT_UP,
3416     EL_SP_GRAVITY_OFF_PORT_DOWN,
3417
3418     -1
3419   };
3420
3421   static int ep_throwable[] =
3422   {
3423     -1
3424   };
3425
3426   static int ep_can_explode[] =
3427   {
3428     // same elements as in 'ep_explodes_impact'
3429     EL_BOMB,
3430     EL_SP_DISK_ORANGE,
3431     EL_DX_SUPABOMB,
3432
3433     // same elements as in 'ep_explodes_smashed'
3434     EL_SATELLITE,
3435     EL_PIG,
3436     EL_DRAGON,
3437     EL_MOLE,
3438
3439     // elements that can explode by explosion or by dragonfire
3440     EL_DYNAMITE,
3441     EL_DYNAMITE_ACTIVE,
3442     EL_EM_DYNAMITE,
3443     EL_EM_DYNAMITE_ACTIVE,
3444     EL_DYNABOMB_PLAYER_1_ACTIVE,
3445     EL_DYNABOMB_PLAYER_2_ACTIVE,
3446     EL_DYNABOMB_PLAYER_3_ACTIVE,
3447     EL_DYNABOMB_PLAYER_4_ACTIVE,
3448     EL_DYNABOMB_INCREASE_NUMBER,
3449     EL_DYNABOMB_INCREASE_SIZE,
3450     EL_DYNABOMB_INCREASE_POWER,
3451     EL_SP_DISK_RED_ACTIVE,
3452     EL_BUG,
3453     EL_PENGUIN,
3454     EL_SP_DISK_RED,
3455     EL_SP_DISK_YELLOW,
3456     EL_SP_SNIKSNAK,
3457     EL_SP_ELECTRON,
3458
3459     // elements that can explode only by explosion
3460     EL_BLACK_ORB,
3461
3462     -1
3463   };
3464
3465   static int ep_gravity_reachable[] =
3466   {
3467     EL_SAND,
3468     EL_SP_BASE,
3469     EL_TRAP,
3470     EL_INVISIBLE_SAND,
3471     EL_INVISIBLE_SAND_ACTIVE,
3472     EL_SP_PORT_LEFT,
3473     EL_SP_PORT_RIGHT,
3474     EL_SP_PORT_UP,
3475     EL_SP_PORT_DOWN,
3476     EL_SP_PORT_HORIZONTAL,
3477     EL_SP_PORT_VERTICAL,
3478     EL_SP_PORT_ANY,
3479     EL_SP_GRAVITY_PORT_LEFT,
3480     EL_SP_GRAVITY_PORT_RIGHT,
3481     EL_SP_GRAVITY_PORT_UP,
3482     EL_SP_GRAVITY_PORT_DOWN,
3483     EL_SP_GRAVITY_ON_PORT_LEFT,
3484     EL_SP_GRAVITY_ON_PORT_RIGHT,
3485     EL_SP_GRAVITY_ON_PORT_UP,
3486     EL_SP_GRAVITY_ON_PORT_DOWN,
3487     EL_SP_GRAVITY_OFF_PORT_LEFT,
3488     EL_SP_GRAVITY_OFF_PORT_RIGHT,
3489     EL_SP_GRAVITY_OFF_PORT_UP,
3490     EL_SP_GRAVITY_OFF_PORT_DOWN,
3491     EL_EMC_GRASS,
3492
3493     -1
3494   };
3495
3496   static int ep_empty_space[] =
3497   {
3498     EL_EMPTY_SPACE,
3499     EL_EMPTY_SPACE_1,
3500     EL_EMPTY_SPACE_2,
3501     EL_EMPTY_SPACE_3,
3502     EL_EMPTY_SPACE_4,
3503     EL_EMPTY_SPACE_5,
3504     EL_EMPTY_SPACE_6,
3505     EL_EMPTY_SPACE_7,
3506     EL_EMPTY_SPACE_8,
3507     EL_EMPTY_SPACE_9,
3508     EL_EMPTY_SPACE_10,
3509     EL_EMPTY_SPACE_11,
3510     EL_EMPTY_SPACE_12,
3511     EL_EMPTY_SPACE_13,
3512     EL_EMPTY_SPACE_14,
3513     EL_EMPTY_SPACE_15,
3514     EL_EMPTY_SPACE_16,
3515
3516     -1
3517   };
3518
3519   static int ep_player[] =
3520   {
3521     EL_PLAYER_1,
3522     EL_PLAYER_2,
3523     EL_PLAYER_3,
3524     EL_PLAYER_4,
3525     EL_SP_MURPHY,
3526     EL_SOKOBAN_FIELD_PLAYER,
3527     EL_TRIGGER_PLAYER,
3528
3529     -1
3530   };
3531
3532   static int ep_can_pass_magic_wall[] =
3533   {
3534     EL_ROCK,
3535     EL_BD_ROCK,
3536     EL_EMERALD,
3537     EL_BD_DIAMOND,
3538     EL_EMERALD_YELLOW,
3539     EL_EMERALD_RED,
3540     EL_EMERALD_PURPLE,
3541     EL_DIAMOND,
3542
3543     -1
3544   };
3545
3546   static int ep_can_pass_dc_magic_wall[] =
3547   {
3548     EL_ROCK,
3549     EL_BD_ROCK,
3550     EL_EMERALD,
3551     EL_BD_DIAMOND,
3552     EL_EMERALD_YELLOW,
3553     EL_EMERALD_RED,
3554     EL_EMERALD_PURPLE,
3555     EL_DIAMOND,
3556     EL_PEARL,
3557     EL_CRYSTAL,
3558
3559     -1
3560   };
3561
3562   static int ep_switchable[] =
3563   {
3564     EL_ROBOT_WHEEL,
3565     EL_SP_TERMINAL,
3566     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3567     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3568     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3569     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3570     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3571     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3572     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3573     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3574     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3575     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3576     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3577     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3578     EL_SWITCHGATE_SWITCH_UP,
3579     EL_SWITCHGATE_SWITCH_DOWN,
3580     EL_DC_SWITCHGATE_SWITCH_UP,
3581     EL_DC_SWITCHGATE_SWITCH_DOWN,
3582     EL_LIGHT_SWITCH,
3583     EL_LIGHT_SWITCH_ACTIVE,
3584     EL_TIMEGATE_SWITCH,
3585     EL_DC_TIMEGATE_SWITCH,
3586     EL_BALLOON_SWITCH_LEFT,
3587     EL_BALLOON_SWITCH_RIGHT,
3588     EL_BALLOON_SWITCH_UP,
3589     EL_BALLOON_SWITCH_DOWN,
3590     EL_BALLOON_SWITCH_ANY,
3591     EL_BALLOON_SWITCH_NONE,
3592     EL_LAMP,
3593     EL_TIME_ORB_FULL,
3594     EL_EMC_MAGIC_BALL_SWITCH,
3595     EL_EMC_MAGIC_BALL_SWITCH_ACTIVE,
3596
3597     -1
3598   };
3599
3600   static int ep_bd_element[] =
3601   {
3602     EL_EMPTY,
3603     EL_SAND,
3604     EL_WALL_SLIPPERY,
3605     EL_BD_WALL,
3606     EL_ROCK,
3607     EL_BD_ROCK,
3608     EL_BD_DIAMOND,
3609     EL_BD_MAGIC_WALL,
3610     EL_EXIT_CLOSED,
3611     EL_EXIT_OPEN,
3612     EL_STEELWALL,
3613     EL_PLAYER_1,
3614     EL_PLAYER_2,
3615     EL_PLAYER_3,
3616     EL_PLAYER_4,
3617     EL_BD_FIREFLY,
3618     EL_BD_FIREFLY_LEFT,
3619     EL_BD_FIREFLY_DOWN,
3620     EL_BD_FIREFLY_RIGHT,
3621     EL_BD_FIREFLY_UP,
3622     EL_BD_BUTTERFLY,
3623     EL_BD_BUTTERFLY_DOWN,
3624     EL_BD_BUTTERFLY_LEFT,
3625     EL_BD_BUTTERFLY_UP,
3626     EL_BD_BUTTERFLY_RIGHT,
3627     EL_BD_AMOEBA,
3628     EL_CHAR_QUESTION,
3629     EL_UNKNOWN,
3630
3631     -1
3632   };
3633
3634   static int ep_sp_element[] =
3635   {
3636     // should always be valid
3637     EL_EMPTY,
3638
3639     // standard classic Supaplex elements
3640     EL_SP_EMPTY,
3641     EL_SP_ZONK,
3642     EL_SP_BASE,
3643     EL_SP_MURPHY,
3644     EL_SP_INFOTRON,
3645     EL_SP_CHIP_SINGLE,
3646     EL_SP_HARDWARE_GRAY,
3647     EL_SP_EXIT_CLOSED,
3648     EL_SP_EXIT_OPEN,
3649     EL_SP_DISK_ORANGE,
3650     EL_SP_PORT_RIGHT,
3651     EL_SP_PORT_DOWN,
3652     EL_SP_PORT_LEFT,
3653     EL_SP_PORT_UP,
3654     EL_SP_GRAVITY_PORT_RIGHT,
3655     EL_SP_GRAVITY_PORT_DOWN,
3656     EL_SP_GRAVITY_PORT_LEFT,
3657     EL_SP_GRAVITY_PORT_UP,
3658     EL_SP_SNIKSNAK,
3659     EL_SP_DISK_YELLOW,
3660     EL_SP_TERMINAL,
3661     EL_SP_DISK_RED,
3662     EL_SP_PORT_VERTICAL,
3663     EL_SP_PORT_HORIZONTAL,
3664     EL_SP_PORT_ANY,
3665     EL_SP_ELECTRON,
3666     EL_SP_BUGGY_BASE,
3667     EL_SP_CHIP_LEFT,
3668     EL_SP_CHIP_RIGHT,
3669     EL_SP_HARDWARE_BASE_1,
3670     EL_SP_HARDWARE_GREEN,
3671     EL_SP_HARDWARE_BLUE,
3672     EL_SP_HARDWARE_RED,
3673     EL_SP_HARDWARE_YELLOW,
3674     EL_SP_HARDWARE_BASE_2,
3675     EL_SP_HARDWARE_BASE_3,
3676     EL_SP_HARDWARE_BASE_4,
3677     EL_SP_HARDWARE_BASE_5,
3678     EL_SP_HARDWARE_BASE_6,
3679     EL_SP_CHIP_TOP,
3680     EL_SP_CHIP_BOTTOM,
3681
3682     // additional elements that appeared in newer Supaplex levels
3683     EL_INVISIBLE_WALL,
3684
3685     // additional gravity port elements (not switching, but setting gravity)
3686     EL_SP_GRAVITY_ON_PORT_LEFT,
3687     EL_SP_GRAVITY_ON_PORT_RIGHT,
3688     EL_SP_GRAVITY_ON_PORT_UP,
3689     EL_SP_GRAVITY_ON_PORT_DOWN,
3690     EL_SP_GRAVITY_OFF_PORT_LEFT,
3691     EL_SP_GRAVITY_OFF_PORT_RIGHT,
3692     EL_SP_GRAVITY_OFF_PORT_UP,
3693     EL_SP_GRAVITY_OFF_PORT_DOWN,
3694
3695     // more than one Murphy in a level results in an inactive clone
3696     EL_SP_MURPHY_CLONE,
3697
3698     // runtime Supaplex elements
3699     EL_SP_DISK_RED_ACTIVE,
3700     EL_SP_TERMINAL_ACTIVE,
3701     EL_SP_BUGGY_BASE_ACTIVATING,
3702     EL_SP_BUGGY_BASE_ACTIVE,
3703     EL_SP_EXIT_OPENING,
3704     EL_SP_EXIT_CLOSING,
3705
3706     -1
3707   };
3708
3709   static int ep_sb_element[] =
3710   {
3711     EL_EMPTY,
3712     EL_STEELWALL,
3713     EL_SOKOBAN_OBJECT,
3714     EL_SOKOBAN_FIELD_EMPTY,
3715     EL_SOKOBAN_FIELD_FULL,
3716     EL_SOKOBAN_FIELD_PLAYER,
3717     EL_PLAYER_1,
3718     EL_PLAYER_2,
3719     EL_PLAYER_3,
3720     EL_PLAYER_4,
3721     EL_INVISIBLE_STEELWALL,
3722
3723     -1
3724   };
3725
3726   static int ep_gem[] =
3727   {
3728     EL_BD_DIAMOND,
3729     EL_EMERALD,
3730     EL_EMERALD_YELLOW,
3731     EL_EMERALD_RED,
3732     EL_EMERALD_PURPLE,
3733     EL_DIAMOND,
3734
3735     -1
3736   };
3737
3738   static int ep_food_dark_yamyam[] =
3739   {
3740     EL_SAND,
3741     EL_BUG,
3742     EL_SPACESHIP,
3743     EL_BD_BUTTERFLY,
3744     EL_BD_FIREFLY,
3745     EL_YAMYAM,
3746     EL_ROBOT,
3747     EL_PACMAN,
3748     EL_AMOEBA_DROP,
3749     EL_AMOEBA_DEAD,
3750     EL_AMOEBA_WET,
3751     EL_AMOEBA_DRY,
3752     EL_AMOEBA_FULL,
3753     EL_BD_AMOEBA,
3754     EL_EMERALD,
3755     EL_BD_DIAMOND,
3756     EL_EMERALD_YELLOW,
3757     EL_EMERALD_RED,
3758     EL_EMERALD_PURPLE,
3759     EL_DIAMOND,
3760     EL_PEARL,
3761     EL_CRYSTAL,
3762
3763     -1
3764   };
3765
3766   static int ep_food_penguin[] =
3767   {
3768     EL_EMERALD,
3769     EL_BD_DIAMOND,
3770     EL_EMERALD_YELLOW,
3771     EL_EMERALD_RED,
3772     EL_EMERALD_PURPLE,
3773     EL_DIAMOND,
3774     EL_PEARL,
3775     EL_CRYSTAL,
3776
3777     -1
3778   };
3779
3780   static int ep_food_pig[] =
3781   {
3782     EL_EMERALD,
3783     EL_BD_DIAMOND,
3784     EL_EMERALD_YELLOW,
3785     EL_EMERALD_RED,
3786     EL_EMERALD_PURPLE,
3787     EL_DIAMOND,
3788
3789     -1
3790   };
3791
3792   static int ep_historic_wall[] =
3793   {
3794     EL_STEELWALL,
3795     EL_GATE_1,
3796     EL_GATE_2,
3797     EL_GATE_3,
3798     EL_GATE_4,
3799     EL_GATE_1_GRAY,
3800     EL_GATE_2_GRAY,
3801     EL_GATE_3_GRAY,
3802     EL_GATE_4_GRAY,
3803     EL_GATE_1_GRAY_ACTIVE,
3804     EL_GATE_2_GRAY_ACTIVE,
3805     EL_GATE_3_GRAY_ACTIVE,
3806     EL_GATE_4_GRAY_ACTIVE,
3807     EL_EM_GATE_1,
3808     EL_EM_GATE_2,
3809     EL_EM_GATE_3,
3810     EL_EM_GATE_4,
3811     EL_EM_GATE_1_GRAY,
3812     EL_EM_GATE_2_GRAY,
3813     EL_EM_GATE_3_GRAY,
3814     EL_EM_GATE_4_GRAY,
3815     EL_EM_GATE_1_GRAY_ACTIVE,
3816     EL_EM_GATE_2_GRAY_ACTIVE,
3817     EL_EM_GATE_3_GRAY_ACTIVE,
3818     EL_EM_GATE_4_GRAY_ACTIVE,
3819     EL_EXIT_CLOSED,
3820     EL_EXIT_OPENING,
3821     EL_EXIT_OPEN,
3822     EL_WALL,
3823     EL_WALL_SLIPPERY,
3824     EL_EXPANDABLE_WALL,
3825     EL_EXPANDABLE_WALL_HORIZONTAL,
3826     EL_EXPANDABLE_WALL_VERTICAL,
3827     EL_EXPANDABLE_WALL_ANY,
3828     EL_EXPANDABLE_WALL_GROWING,
3829     EL_BD_EXPANDABLE_WALL,
3830     EL_BD_WALL,
3831     EL_SP_CHIP_SINGLE,
3832     EL_SP_CHIP_LEFT,
3833     EL_SP_CHIP_RIGHT,
3834     EL_SP_CHIP_TOP,
3835     EL_SP_CHIP_BOTTOM,
3836     EL_SP_HARDWARE_GRAY,
3837     EL_SP_HARDWARE_GREEN,
3838     EL_SP_HARDWARE_BLUE,
3839     EL_SP_HARDWARE_RED,
3840     EL_SP_HARDWARE_YELLOW,
3841     EL_SP_HARDWARE_BASE_1,
3842     EL_SP_HARDWARE_BASE_2,
3843     EL_SP_HARDWARE_BASE_3,
3844     EL_SP_HARDWARE_BASE_4,
3845     EL_SP_HARDWARE_BASE_5,
3846     EL_SP_HARDWARE_BASE_6,
3847     EL_SP_TERMINAL,
3848     EL_SP_TERMINAL_ACTIVE,
3849     EL_SP_EXIT_CLOSED,
3850     EL_SP_EXIT_OPEN,
3851     EL_INVISIBLE_STEELWALL,
3852     EL_INVISIBLE_STEELWALL_ACTIVE,
3853     EL_INVISIBLE_WALL,
3854     EL_INVISIBLE_WALL_ACTIVE,
3855     EL_STEELWALL_SLIPPERY,
3856     EL_EMC_STEELWALL_1,
3857     EL_EMC_STEELWALL_2,
3858     EL_EMC_STEELWALL_3,
3859     EL_EMC_STEELWALL_4,
3860     EL_EMC_WALL_1,
3861     EL_EMC_WALL_2,
3862     EL_EMC_WALL_3,
3863     EL_EMC_WALL_4,
3864     EL_EMC_WALL_5,
3865     EL_EMC_WALL_6,
3866     EL_EMC_WALL_7,
3867     EL_EMC_WALL_8,
3868
3869     -1
3870   };
3871
3872   static int ep_historic_solid[] =
3873   {
3874     EL_WALL,
3875     EL_EXPANDABLE_WALL,
3876     EL_EXPANDABLE_WALL_HORIZONTAL,
3877     EL_EXPANDABLE_WALL_VERTICAL,
3878     EL_EXPANDABLE_WALL_ANY,
3879     EL_BD_EXPANDABLE_WALL,
3880     EL_BD_WALL,
3881     EL_WALL_SLIPPERY,
3882     EL_EXIT_CLOSED,
3883     EL_EXIT_OPENING,
3884     EL_EXIT_OPEN,
3885     EL_AMOEBA_DEAD,
3886     EL_AMOEBA_WET,
3887     EL_AMOEBA_DRY,
3888     EL_AMOEBA_FULL,
3889     EL_BD_AMOEBA,
3890     EL_QUICKSAND_EMPTY,
3891     EL_QUICKSAND_FULL,
3892     EL_QUICKSAND_FILLING,
3893     EL_QUICKSAND_EMPTYING,
3894     EL_MAGIC_WALL,
3895     EL_MAGIC_WALL_ACTIVE,
3896     EL_MAGIC_WALL_EMPTYING,
3897     EL_MAGIC_WALL_FILLING,
3898     EL_MAGIC_WALL_FULL,
3899     EL_MAGIC_WALL_DEAD,
3900     EL_BD_MAGIC_WALL,
3901     EL_BD_MAGIC_WALL_ACTIVE,
3902     EL_BD_MAGIC_WALL_EMPTYING,
3903     EL_BD_MAGIC_WALL_FULL,
3904     EL_BD_MAGIC_WALL_FILLING,
3905     EL_BD_MAGIC_WALL_DEAD,
3906     EL_GAME_OF_LIFE,
3907     EL_BIOMAZE,
3908     EL_SP_CHIP_SINGLE,
3909     EL_SP_CHIP_LEFT,
3910     EL_SP_CHIP_RIGHT,
3911     EL_SP_CHIP_TOP,
3912     EL_SP_CHIP_BOTTOM,
3913     EL_SP_TERMINAL,
3914     EL_SP_TERMINAL_ACTIVE,
3915     EL_SP_EXIT_CLOSED,
3916     EL_SP_EXIT_OPEN,
3917     EL_INVISIBLE_WALL,
3918     EL_INVISIBLE_WALL_ACTIVE,
3919     EL_SWITCHGATE_SWITCH_UP,
3920     EL_SWITCHGATE_SWITCH_DOWN,
3921     EL_TIMEGATE_SWITCH,
3922     EL_TIMEGATE_SWITCH_ACTIVE,
3923     EL_EMC_WALL_1,
3924     EL_EMC_WALL_2,
3925     EL_EMC_WALL_3,
3926     EL_EMC_WALL_4,
3927     EL_EMC_WALL_5,
3928     EL_EMC_WALL_6,
3929     EL_EMC_WALL_7,
3930     EL_EMC_WALL_8,
3931     EL_WALL_PEARL,
3932     EL_WALL_CRYSTAL,
3933
3934     // the following elements are a direct copy of "indestructible" elements,
3935     // except "EL_ACID", which is "indestructible", but not "solid"!
3936 #if 0
3937     EL_ACID,
3938 #endif
3939     EL_STEELWALL,
3940     EL_ACID_POOL_TOPLEFT,
3941     EL_ACID_POOL_TOPRIGHT,
3942     EL_ACID_POOL_BOTTOMLEFT,
3943     EL_ACID_POOL_BOTTOM,
3944     EL_ACID_POOL_BOTTOMRIGHT,
3945     EL_SP_HARDWARE_GRAY,
3946     EL_SP_HARDWARE_GREEN,
3947     EL_SP_HARDWARE_BLUE,
3948     EL_SP_HARDWARE_RED,
3949     EL_SP_HARDWARE_YELLOW,
3950     EL_SP_HARDWARE_BASE_1,
3951     EL_SP_HARDWARE_BASE_2,
3952     EL_SP_HARDWARE_BASE_3,
3953     EL_SP_HARDWARE_BASE_4,
3954     EL_SP_HARDWARE_BASE_5,
3955     EL_SP_HARDWARE_BASE_6,
3956     EL_INVISIBLE_STEELWALL,
3957     EL_INVISIBLE_STEELWALL_ACTIVE,
3958     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3959     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3960     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3961     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3962     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3963     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3964     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3965     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3966     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3967     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3968     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3969     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3970     EL_LIGHT_SWITCH,
3971     EL_LIGHT_SWITCH_ACTIVE,
3972     EL_SIGN_EXCLAMATION,
3973     EL_SIGN_RADIOACTIVITY,
3974     EL_SIGN_STOP,
3975     EL_SIGN_WHEELCHAIR,
3976     EL_SIGN_PARKING,
3977     EL_SIGN_NO_ENTRY,
3978     EL_SIGN_UNUSED_1,
3979     EL_SIGN_GIVE_WAY,
3980     EL_SIGN_ENTRY_FORBIDDEN,
3981     EL_SIGN_EMERGENCY_EXIT,
3982     EL_SIGN_YIN_YANG,
3983     EL_SIGN_UNUSED_2,
3984     EL_SIGN_SPERMS,
3985     EL_SIGN_BULLET,
3986     EL_SIGN_HEART,
3987     EL_SIGN_CROSS,
3988     EL_SIGN_FRANKIE,
3989     EL_STEEL_EXIT_CLOSED,
3990     EL_STEEL_EXIT_OPEN,
3991     EL_STEEL_EXIT_OPENING,
3992     EL_STEEL_EXIT_CLOSING,
3993     EL_EM_STEEL_EXIT_CLOSED,
3994     EL_EM_STEEL_EXIT_OPEN,
3995     EL_EM_STEEL_EXIT_OPENING,
3996     EL_EM_STEEL_EXIT_CLOSING,
3997     EL_DC_STEELWALL_1_LEFT,
3998     EL_DC_STEELWALL_1_RIGHT,
3999     EL_DC_STEELWALL_1_TOP,
4000     EL_DC_STEELWALL_1_BOTTOM,
4001     EL_DC_STEELWALL_1_HORIZONTAL,
4002     EL_DC_STEELWALL_1_VERTICAL,
4003     EL_DC_STEELWALL_1_TOPLEFT,
4004     EL_DC_STEELWALL_1_TOPRIGHT,
4005     EL_DC_STEELWALL_1_BOTTOMLEFT,
4006     EL_DC_STEELWALL_1_BOTTOMRIGHT,
4007     EL_DC_STEELWALL_1_TOPLEFT_2,
4008     EL_DC_STEELWALL_1_TOPRIGHT_2,
4009     EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4010     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4011     EL_DC_STEELWALL_2_LEFT,
4012     EL_DC_STEELWALL_2_RIGHT,
4013     EL_DC_STEELWALL_2_TOP,
4014     EL_DC_STEELWALL_2_BOTTOM,
4015     EL_DC_STEELWALL_2_HORIZONTAL,
4016     EL_DC_STEELWALL_2_VERTICAL,
4017     EL_DC_STEELWALL_2_MIDDLE,
4018     EL_DC_STEELWALL_2_SINGLE,
4019     EL_STEELWALL_SLIPPERY,
4020     EL_EMC_STEELWALL_1,
4021     EL_EMC_STEELWALL_2,
4022     EL_EMC_STEELWALL_3,
4023     EL_EMC_STEELWALL_4,
4024     EL_CRYSTAL,
4025     EL_GATE_1,
4026     EL_GATE_2,
4027     EL_GATE_3,
4028     EL_GATE_4,
4029     EL_GATE_1_GRAY,
4030     EL_GATE_2_GRAY,
4031     EL_GATE_3_GRAY,
4032     EL_GATE_4_GRAY,
4033     EL_GATE_1_GRAY_ACTIVE,
4034     EL_GATE_2_GRAY_ACTIVE,
4035     EL_GATE_3_GRAY_ACTIVE,
4036     EL_GATE_4_GRAY_ACTIVE,
4037     EL_EM_GATE_1,
4038     EL_EM_GATE_2,
4039     EL_EM_GATE_3,
4040     EL_EM_GATE_4,
4041     EL_EM_GATE_1_GRAY,
4042     EL_EM_GATE_2_GRAY,
4043     EL_EM_GATE_3_GRAY,
4044     EL_EM_GATE_4_GRAY,
4045     EL_EM_GATE_1_GRAY_ACTIVE,
4046     EL_EM_GATE_2_GRAY_ACTIVE,
4047     EL_EM_GATE_3_GRAY_ACTIVE,
4048     EL_EM_GATE_4_GRAY_ACTIVE,
4049     EL_EMC_GATE_5,
4050     EL_EMC_GATE_6,
4051     EL_EMC_GATE_7,
4052     EL_EMC_GATE_8,
4053     EL_EMC_GATE_5_GRAY,
4054     EL_EMC_GATE_6_GRAY,
4055     EL_EMC_GATE_7_GRAY,
4056     EL_EMC_GATE_8_GRAY,
4057     EL_EMC_GATE_5_GRAY_ACTIVE,
4058     EL_EMC_GATE_6_GRAY_ACTIVE,
4059     EL_EMC_GATE_7_GRAY_ACTIVE,
4060     EL_EMC_GATE_8_GRAY_ACTIVE,
4061     EL_DC_GATE_WHITE,
4062     EL_DC_GATE_WHITE_GRAY,
4063     EL_DC_GATE_WHITE_GRAY_ACTIVE,
4064     EL_DC_GATE_FAKE_GRAY,
4065     EL_SWITCHGATE_OPEN,
4066     EL_SWITCHGATE_OPENING,
4067     EL_SWITCHGATE_CLOSED,
4068     EL_SWITCHGATE_CLOSING,
4069     EL_DC_SWITCHGATE_SWITCH_UP,
4070     EL_DC_SWITCHGATE_SWITCH_DOWN,
4071     EL_TIMEGATE_OPEN,
4072     EL_TIMEGATE_OPENING,
4073     EL_TIMEGATE_CLOSED,
4074     EL_TIMEGATE_CLOSING,
4075     EL_DC_TIMEGATE_SWITCH,
4076     EL_DC_TIMEGATE_SWITCH_ACTIVE,
4077     EL_TUBE_ANY,
4078     EL_TUBE_VERTICAL,
4079     EL_TUBE_HORIZONTAL,
4080     EL_TUBE_VERTICAL_LEFT,
4081     EL_TUBE_VERTICAL_RIGHT,
4082     EL_TUBE_HORIZONTAL_UP,
4083     EL_TUBE_HORIZONTAL_DOWN,
4084     EL_TUBE_LEFT_UP,
4085     EL_TUBE_LEFT_DOWN,
4086     EL_TUBE_RIGHT_UP,
4087     EL_TUBE_RIGHT_DOWN,
4088     EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4089     EL_EXPANDABLE_STEELWALL_VERTICAL,
4090     EL_EXPANDABLE_STEELWALL_ANY,
4091
4092     -1
4093   };
4094
4095   static int ep_classic_enemy[] =
4096   {
4097     EL_BUG,
4098     EL_SPACESHIP,
4099     EL_BD_BUTTERFLY,
4100     EL_BD_FIREFLY,
4101
4102     EL_YAMYAM,
4103     EL_DARK_YAMYAM,
4104     EL_ROBOT,
4105     EL_PACMAN,
4106     EL_SP_SNIKSNAK,
4107     EL_SP_ELECTRON,
4108
4109     -1
4110   };
4111
4112   static int ep_belt[] =
4113   {
4114     EL_CONVEYOR_BELT_1_LEFT,
4115     EL_CONVEYOR_BELT_1_MIDDLE,
4116     EL_CONVEYOR_BELT_1_RIGHT,
4117     EL_CONVEYOR_BELT_2_LEFT,
4118     EL_CONVEYOR_BELT_2_MIDDLE,
4119     EL_CONVEYOR_BELT_2_RIGHT,
4120     EL_CONVEYOR_BELT_3_LEFT,
4121     EL_CONVEYOR_BELT_3_MIDDLE,
4122     EL_CONVEYOR_BELT_3_RIGHT,
4123     EL_CONVEYOR_BELT_4_LEFT,
4124     EL_CONVEYOR_BELT_4_MIDDLE,
4125     EL_CONVEYOR_BELT_4_RIGHT,
4126
4127     -1
4128   };
4129
4130   static int ep_belt_active[] =
4131   {
4132     EL_CONVEYOR_BELT_1_LEFT_ACTIVE,
4133     EL_CONVEYOR_BELT_1_MIDDLE_ACTIVE,
4134     EL_CONVEYOR_BELT_1_RIGHT_ACTIVE,
4135     EL_CONVEYOR_BELT_2_LEFT_ACTIVE,
4136     EL_CONVEYOR_BELT_2_MIDDLE_ACTIVE,
4137     EL_CONVEYOR_BELT_2_RIGHT_ACTIVE,
4138     EL_CONVEYOR_BELT_3_LEFT_ACTIVE,
4139     EL_CONVEYOR_BELT_3_MIDDLE_ACTIVE,
4140     EL_CONVEYOR_BELT_3_RIGHT_ACTIVE,
4141     EL_CONVEYOR_BELT_4_LEFT_ACTIVE,
4142     EL_CONVEYOR_BELT_4_MIDDLE_ACTIVE,
4143     EL_CONVEYOR_BELT_4_RIGHT_ACTIVE,
4144
4145     -1
4146   };
4147
4148   static int ep_belt_switch[] =
4149   {
4150     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4151     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4152     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4153     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4154     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4155     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4156     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4157     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4158     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4159     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4160     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4161     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4162
4163     -1
4164   };
4165
4166   static int ep_tube[] =
4167   {
4168     EL_TUBE_LEFT_UP,
4169     EL_TUBE_LEFT_DOWN,
4170     EL_TUBE_RIGHT_UP,
4171     EL_TUBE_RIGHT_DOWN,
4172     EL_TUBE_HORIZONTAL,
4173     EL_TUBE_HORIZONTAL_UP,
4174     EL_TUBE_HORIZONTAL_DOWN,
4175     EL_TUBE_VERTICAL,
4176     EL_TUBE_VERTICAL_LEFT,
4177     EL_TUBE_VERTICAL_RIGHT,
4178     EL_TUBE_ANY,
4179
4180     -1
4181   };
4182
4183   static int ep_acid_pool[] =
4184   {
4185     EL_ACID_POOL_TOPLEFT,
4186     EL_ACID_POOL_TOPRIGHT,
4187     EL_ACID_POOL_BOTTOMLEFT,
4188     EL_ACID_POOL_BOTTOM,
4189     EL_ACID_POOL_BOTTOMRIGHT,
4190
4191     -1
4192   };
4193
4194   static int ep_keygate[] =
4195   {
4196     EL_GATE_1,
4197     EL_GATE_2,
4198     EL_GATE_3,
4199     EL_GATE_4,
4200     EL_GATE_1_GRAY,
4201     EL_GATE_2_GRAY,
4202     EL_GATE_3_GRAY,
4203     EL_GATE_4_GRAY,
4204     EL_GATE_1_GRAY_ACTIVE,
4205     EL_GATE_2_GRAY_ACTIVE,
4206     EL_GATE_3_GRAY_ACTIVE,
4207     EL_GATE_4_GRAY_ACTIVE,
4208     EL_EM_GATE_1,
4209     EL_EM_GATE_2,
4210     EL_EM_GATE_3,
4211     EL_EM_GATE_4,
4212     EL_EM_GATE_1_GRAY,
4213     EL_EM_GATE_2_GRAY,
4214     EL_EM_GATE_3_GRAY,
4215     EL_EM_GATE_4_GRAY,
4216     EL_EM_GATE_1_GRAY_ACTIVE,
4217     EL_EM_GATE_2_GRAY_ACTIVE,
4218     EL_EM_GATE_3_GRAY_ACTIVE,
4219     EL_EM_GATE_4_GRAY_ACTIVE,
4220     EL_EMC_GATE_5,
4221     EL_EMC_GATE_6,
4222     EL_EMC_GATE_7,
4223     EL_EMC_GATE_8,
4224     EL_EMC_GATE_5_GRAY,
4225     EL_EMC_GATE_6_GRAY,
4226     EL_EMC_GATE_7_GRAY,
4227     EL_EMC_GATE_8_GRAY,
4228     EL_EMC_GATE_5_GRAY_ACTIVE,
4229     EL_EMC_GATE_6_GRAY_ACTIVE,
4230     EL_EMC_GATE_7_GRAY_ACTIVE,
4231     EL_EMC_GATE_8_GRAY_ACTIVE,
4232     EL_DC_GATE_WHITE,
4233     EL_DC_GATE_WHITE_GRAY,
4234     EL_DC_GATE_WHITE_GRAY_ACTIVE,
4235
4236     -1
4237   };
4238
4239   static int ep_amoeboid[] =
4240   {
4241     EL_AMOEBA_DEAD,
4242     EL_AMOEBA_WET,
4243     EL_AMOEBA_DRY,
4244     EL_AMOEBA_FULL,
4245     EL_BD_AMOEBA,
4246     EL_EMC_DRIPPER,
4247
4248     -1
4249   };
4250
4251   static int ep_amoebalive[] =
4252   {
4253     EL_AMOEBA_WET,
4254     EL_AMOEBA_DRY,
4255     EL_AMOEBA_FULL,
4256     EL_BD_AMOEBA,
4257     EL_EMC_DRIPPER,
4258
4259     -1
4260   };
4261
4262   static int ep_has_editor_content[] =
4263   {
4264     EL_PLAYER_1,
4265     EL_PLAYER_2,
4266     EL_PLAYER_3,
4267     EL_PLAYER_4,
4268     EL_SOKOBAN_FIELD_PLAYER,
4269     EL_SP_MURPHY,
4270     EL_YAMYAM,
4271     EL_YAMYAM_LEFT,
4272     EL_YAMYAM_RIGHT,
4273     EL_YAMYAM_UP,
4274     EL_YAMYAM_DOWN,
4275     EL_AMOEBA_WET,
4276     EL_AMOEBA_DRY,
4277     EL_AMOEBA_FULL,
4278     EL_BD_AMOEBA,
4279     EL_EMC_MAGIC_BALL,
4280     EL_EMC_ANDROID,
4281     EL_MM_GRAY_BALL,
4282
4283     -1
4284   };
4285
4286   static int ep_can_turn_each_move[] =
4287   {
4288     // !!! do something with this one !!!
4289     -1
4290   };
4291
4292   static int ep_can_grow[] =
4293   {
4294     EL_BD_AMOEBA,
4295     EL_AMOEBA_DROP,
4296     EL_AMOEBA_WET,
4297     EL_AMOEBA_DRY,
4298     EL_AMOEBA_FULL,
4299     EL_GAME_OF_LIFE,
4300     EL_BIOMAZE,
4301     EL_EMC_DRIPPER,
4302
4303     -1
4304   };
4305
4306   static int ep_active_bomb[] =
4307   {
4308     EL_DYNAMITE_ACTIVE,
4309     EL_EM_DYNAMITE_ACTIVE,
4310     EL_DYNABOMB_PLAYER_1_ACTIVE,
4311     EL_DYNABOMB_PLAYER_2_ACTIVE,
4312     EL_DYNABOMB_PLAYER_3_ACTIVE,
4313     EL_DYNABOMB_PLAYER_4_ACTIVE,
4314     EL_SP_DISK_RED_ACTIVE,
4315
4316     -1
4317   };
4318
4319   static int ep_inactive[] =
4320   {
4321     EL_EMPTY,
4322     EL_EMPTY_SPACE_1,
4323     EL_EMPTY_SPACE_2,
4324     EL_EMPTY_SPACE_3,
4325     EL_EMPTY_SPACE_4,
4326     EL_EMPTY_SPACE_5,
4327     EL_EMPTY_SPACE_6,
4328     EL_EMPTY_SPACE_7,
4329     EL_EMPTY_SPACE_8,
4330     EL_EMPTY_SPACE_9,
4331     EL_EMPTY_SPACE_10,
4332     EL_EMPTY_SPACE_11,
4333     EL_EMPTY_SPACE_12,
4334     EL_EMPTY_SPACE_13,
4335     EL_EMPTY_SPACE_14,
4336     EL_EMPTY_SPACE_15,
4337     EL_EMPTY_SPACE_16,
4338     EL_SAND,
4339     EL_WALL,
4340     EL_BD_WALL,
4341     EL_WALL_SLIPPERY,
4342     EL_STEELWALL,
4343     EL_AMOEBA_DEAD,
4344     EL_QUICKSAND_EMPTY,
4345     EL_QUICKSAND_FAST_EMPTY,
4346     EL_STONEBLOCK,
4347     EL_ROBOT_WHEEL,
4348     EL_KEY_1,
4349     EL_KEY_2,
4350     EL_KEY_3,
4351     EL_KEY_4,
4352     EL_EM_KEY_1,
4353     EL_EM_KEY_2,
4354     EL_EM_KEY_3,
4355     EL_EM_KEY_4,
4356     EL_EMC_KEY_5,
4357     EL_EMC_KEY_6,
4358     EL_EMC_KEY_7,
4359     EL_EMC_KEY_8,
4360     EL_GATE_1,
4361     EL_GATE_2,
4362     EL_GATE_3,
4363     EL_GATE_4,
4364     EL_GATE_1_GRAY,
4365     EL_GATE_2_GRAY,
4366     EL_GATE_3_GRAY,
4367     EL_GATE_4_GRAY,
4368     EL_GATE_1_GRAY_ACTIVE,
4369     EL_GATE_2_GRAY_ACTIVE,
4370     EL_GATE_3_GRAY_ACTIVE,
4371     EL_GATE_4_GRAY_ACTIVE,
4372     EL_EM_GATE_1,
4373     EL_EM_GATE_2,
4374     EL_EM_GATE_3,
4375     EL_EM_GATE_4,
4376     EL_EM_GATE_1_GRAY,
4377     EL_EM_GATE_2_GRAY,
4378     EL_EM_GATE_3_GRAY,
4379     EL_EM_GATE_4_GRAY,
4380     EL_EM_GATE_1_GRAY_ACTIVE,
4381     EL_EM_GATE_2_GRAY_ACTIVE,
4382     EL_EM_GATE_3_GRAY_ACTIVE,
4383     EL_EM_GATE_4_GRAY_ACTIVE,
4384     EL_EMC_GATE_5,
4385     EL_EMC_GATE_6,
4386     EL_EMC_GATE_7,
4387     EL_EMC_GATE_8,
4388     EL_EMC_GATE_5_GRAY,
4389     EL_EMC_GATE_6_GRAY,
4390     EL_EMC_GATE_7_GRAY,
4391     EL_EMC_GATE_8_GRAY,
4392     EL_EMC_GATE_5_GRAY_ACTIVE,
4393     EL_EMC_GATE_6_GRAY_ACTIVE,
4394     EL_EMC_GATE_7_GRAY_ACTIVE,
4395     EL_EMC_GATE_8_GRAY_ACTIVE,
4396     EL_DC_GATE_WHITE,
4397     EL_DC_GATE_WHITE_GRAY,
4398     EL_DC_GATE_WHITE_GRAY_ACTIVE,
4399     EL_DC_GATE_FAKE_GRAY,
4400     EL_DYNAMITE,
4401     EL_EM_DYNAMITE,
4402     EL_INVISIBLE_STEELWALL,
4403     EL_INVISIBLE_WALL,
4404     EL_INVISIBLE_SAND,
4405     EL_LAMP,
4406     EL_LAMP_ACTIVE,
4407     EL_WALL_EMERALD,
4408     EL_WALL_DIAMOND,
4409     EL_WALL_BD_DIAMOND,
4410     EL_WALL_EMERALD_YELLOW,
4411     EL_DYNABOMB_INCREASE_NUMBER,
4412     EL_DYNABOMB_INCREASE_SIZE,
4413     EL_DYNABOMB_INCREASE_POWER,
4414 #if 0
4415     EL_SOKOBAN_OBJECT,
4416 #endif
4417     EL_SOKOBAN_FIELD_EMPTY,
4418     EL_SOKOBAN_FIELD_FULL,
4419     EL_WALL_EMERALD_RED,
4420     EL_WALL_EMERALD_PURPLE,
4421     EL_ACID_POOL_TOPLEFT,
4422     EL_ACID_POOL_TOPRIGHT,
4423     EL_ACID_POOL_BOTTOMLEFT,
4424     EL_ACID_POOL_BOTTOM,
4425     EL_ACID_POOL_BOTTOMRIGHT,
4426     EL_MAGIC_WALL,
4427     EL_MAGIC_WALL_DEAD,
4428     EL_BD_MAGIC_WALL,
4429     EL_BD_MAGIC_WALL_DEAD,
4430     EL_DC_MAGIC_WALL,
4431     EL_DC_MAGIC_WALL_DEAD,
4432     EL_AMOEBA_TO_DIAMOND,
4433     EL_BLOCKED,
4434     EL_SP_EMPTY,
4435     EL_SP_BASE,
4436     EL_SP_PORT_RIGHT,
4437     EL_SP_PORT_DOWN,
4438     EL_SP_PORT_LEFT,
4439     EL_SP_PORT_UP,
4440     EL_SP_GRAVITY_PORT_RIGHT,
4441     EL_SP_GRAVITY_PORT_DOWN,
4442     EL_SP_GRAVITY_PORT_LEFT,
4443     EL_SP_GRAVITY_PORT_UP,
4444     EL_SP_PORT_HORIZONTAL,
4445     EL_SP_PORT_VERTICAL,
4446     EL_SP_PORT_ANY,
4447     EL_SP_DISK_RED,
4448 #if 0
4449     EL_SP_DISK_YELLOW,
4450 #endif
4451     EL_SP_CHIP_SINGLE,
4452     EL_SP_CHIP_LEFT,
4453     EL_SP_CHIP_RIGHT,
4454     EL_SP_CHIP_TOP,
4455     EL_SP_CHIP_BOTTOM,
4456     EL_SP_HARDWARE_GRAY,
4457     EL_SP_HARDWARE_GREEN,
4458     EL_SP_HARDWARE_BLUE,
4459     EL_SP_HARDWARE_RED,
4460     EL_SP_HARDWARE_YELLOW,
4461     EL_SP_HARDWARE_BASE_1,
4462     EL_SP_HARDWARE_BASE_2,
4463     EL_SP_HARDWARE_BASE_3,
4464     EL_SP_HARDWARE_BASE_4,
4465     EL_SP_HARDWARE_BASE_5,
4466     EL_SP_HARDWARE_BASE_6,
4467     EL_SP_GRAVITY_ON_PORT_LEFT,
4468     EL_SP_GRAVITY_ON_PORT_RIGHT,
4469     EL_SP_GRAVITY_ON_PORT_UP,
4470     EL_SP_GRAVITY_ON_PORT_DOWN,
4471     EL_SP_GRAVITY_OFF_PORT_LEFT,
4472     EL_SP_GRAVITY_OFF_PORT_RIGHT,
4473     EL_SP_GRAVITY_OFF_PORT_UP,
4474     EL_SP_GRAVITY_OFF_PORT_DOWN,
4475     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4476     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4477     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4478     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4479     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4480     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4481     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4482     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4483     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4484     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4485     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4486     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4487     EL_SIGN_EXCLAMATION,
4488     EL_SIGN_RADIOACTIVITY,
4489     EL_SIGN_STOP,
4490     EL_SIGN_WHEELCHAIR,
4491     EL_SIGN_PARKING,
4492     EL_SIGN_NO_ENTRY,
4493     EL_SIGN_UNUSED_1,
4494     EL_SIGN_GIVE_WAY,
4495     EL_SIGN_ENTRY_FORBIDDEN,
4496     EL_SIGN_EMERGENCY_EXIT,
4497     EL_SIGN_YIN_YANG,
4498     EL_SIGN_UNUSED_2,
4499     EL_SIGN_SPERMS,
4500     EL_SIGN_BULLET,
4501     EL_SIGN_HEART,
4502     EL_SIGN_CROSS,
4503     EL_SIGN_FRANKIE,
4504     EL_DC_STEELWALL_1_LEFT,
4505     EL_DC_STEELWALL_1_RIGHT,
4506     EL_DC_STEELWALL_1_TOP,
4507     EL_DC_STEELWALL_1_BOTTOM,
4508     EL_DC_STEELWALL_1_HORIZONTAL,
4509     EL_DC_STEELWALL_1_VERTICAL,
4510     EL_DC_STEELWALL_1_TOPLEFT,
4511     EL_DC_STEELWALL_1_TOPRIGHT,
4512     EL_DC_STEELWALL_1_BOTTOMLEFT,
4513     EL_DC_STEELWALL_1_BOTTOMRIGHT,
4514     EL_DC_STEELWALL_1_TOPLEFT_2,
4515     EL_DC_STEELWALL_1_TOPRIGHT_2,
4516     EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4517     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4518     EL_DC_STEELWALL_2_LEFT,
4519     EL_DC_STEELWALL_2_RIGHT,
4520     EL_DC_STEELWALL_2_TOP,
4521     EL_DC_STEELWALL_2_BOTTOM,
4522     EL_DC_STEELWALL_2_HORIZONTAL,
4523     EL_DC_STEELWALL_2_VERTICAL,
4524     EL_DC_STEELWALL_2_MIDDLE,
4525     EL_DC_STEELWALL_2_SINGLE,
4526     EL_STEELWALL_SLIPPERY,
4527     EL_EMC_STEELWALL_1,
4528     EL_EMC_STEELWALL_2,
4529     EL_EMC_STEELWALL_3,
4530     EL_EMC_STEELWALL_4,
4531     EL_EMC_WALL_SLIPPERY_1,
4532     EL_EMC_WALL_SLIPPERY_2,
4533     EL_EMC_WALL_SLIPPERY_3,
4534     EL_EMC_WALL_SLIPPERY_4,
4535     EL_EMC_WALL_1,
4536     EL_EMC_WALL_2,
4537     EL_EMC_WALL_3,
4538     EL_EMC_WALL_4,
4539     EL_EMC_WALL_5,
4540     EL_EMC_WALL_6,
4541     EL_EMC_WALL_7,
4542     EL_EMC_WALL_8,
4543     EL_EMC_WALL_9,
4544     EL_EMC_WALL_10,
4545     EL_EMC_WALL_11,
4546     EL_EMC_WALL_12,
4547     EL_EMC_WALL_13,
4548     EL_EMC_WALL_14,
4549     EL_EMC_WALL_15,
4550     EL_EMC_WALL_16,
4551
4552     -1
4553   };
4554
4555   static int ep_em_slippery_wall[] =
4556   {
4557     -1
4558   };
4559
4560   static int ep_gfx_crumbled[] =
4561   {
4562     EL_SAND,
4563     EL_LANDMINE,
4564     EL_DC_LANDMINE,
4565     EL_TRAP,
4566     EL_TRAP_ACTIVE,
4567
4568     -1
4569   };
4570
4571   static int ep_editor_cascade_active[] =
4572   {
4573     EL_INTERNAL_CASCADE_BD_ACTIVE,
4574     EL_INTERNAL_CASCADE_EM_ACTIVE,
4575     EL_INTERNAL_CASCADE_EMC_ACTIVE,
4576     EL_INTERNAL_CASCADE_RND_ACTIVE,
4577     EL_INTERNAL_CASCADE_SB_ACTIVE,
4578     EL_INTERNAL_CASCADE_SP_ACTIVE,
4579     EL_INTERNAL_CASCADE_DC_ACTIVE,
4580     EL_INTERNAL_CASCADE_DX_ACTIVE,
4581     EL_INTERNAL_CASCADE_MM_ACTIVE,
4582     EL_INTERNAL_CASCADE_DF_ACTIVE,
4583     EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4584     EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4585     EL_INTERNAL_CASCADE_CE_ACTIVE,
4586     EL_INTERNAL_CASCADE_GE_ACTIVE,
4587     EL_INTERNAL_CASCADE_ES_ACTIVE,
4588     EL_INTERNAL_CASCADE_REF_ACTIVE,
4589     EL_INTERNAL_CASCADE_USER_ACTIVE,
4590     EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
4591
4592     -1
4593   };
4594
4595   static int ep_editor_cascade_inactive[] =
4596   {
4597     EL_INTERNAL_CASCADE_BD,
4598     EL_INTERNAL_CASCADE_EM,
4599     EL_INTERNAL_CASCADE_EMC,
4600     EL_INTERNAL_CASCADE_RND,
4601     EL_INTERNAL_CASCADE_SB,
4602     EL_INTERNAL_CASCADE_SP,
4603     EL_INTERNAL_CASCADE_DC,
4604     EL_INTERNAL_CASCADE_DX,
4605     EL_INTERNAL_CASCADE_MM,
4606     EL_INTERNAL_CASCADE_DF,
4607     EL_INTERNAL_CASCADE_CHARS,
4608     EL_INTERNAL_CASCADE_STEEL_CHARS,
4609     EL_INTERNAL_CASCADE_CE,
4610     EL_INTERNAL_CASCADE_GE,
4611     EL_INTERNAL_CASCADE_ES,
4612     EL_INTERNAL_CASCADE_REF,
4613     EL_INTERNAL_CASCADE_USER,
4614     EL_INTERNAL_CASCADE_DYNAMIC,
4615
4616     -1
4617   };
4618
4619   static int ep_obsolete[] =
4620   {
4621     EL_PLAYER_OBSOLETE,
4622     EL_KEY_OBSOLETE,
4623     EL_EM_KEY_1_FILE_OBSOLETE,
4624     EL_EM_KEY_2_FILE_OBSOLETE,
4625     EL_EM_KEY_3_FILE_OBSOLETE,
4626     EL_EM_KEY_4_FILE_OBSOLETE,
4627     EL_ENVELOPE_OBSOLETE,
4628
4629     -1
4630   };
4631
4632   static struct
4633   {
4634     int *elements;
4635     int property;
4636   } element_properties[] =
4637   {
4638     { ep_diggable,                      EP_DIGGABLE                     },
4639     { ep_collectible_only,              EP_COLLECTIBLE_ONLY             },
4640     { ep_dont_run_into,                 EP_DONT_RUN_INTO                },
4641     { ep_dont_collide_with,             EP_DONT_COLLIDE_WITH            },
4642     { ep_dont_touch,                    EP_DONT_TOUCH                   },
4643     { ep_indestructible,                EP_INDESTRUCTIBLE               },
4644     { ep_slippery,                      EP_SLIPPERY                     },
4645     { ep_can_change,                    EP_CAN_CHANGE                   },
4646     { ep_can_move,                      EP_CAN_MOVE                     },
4647     { ep_can_fall,                      EP_CAN_FALL                     },
4648     { ep_can_smash_player,              EP_CAN_SMASH_PLAYER             },
4649     { ep_can_smash_enemies,             EP_CAN_SMASH_ENEMIES            },
4650     { ep_can_smash_everything,          EP_CAN_SMASH_EVERYTHING         },
4651     { ep_explodes_by_fire,              EP_EXPLODES_BY_FIRE             },
4652     { ep_explodes_smashed,              EP_EXPLODES_SMASHED             },
4653     { ep_explodes_impact,               EP_EXPLODES_IMPACT              },
4654     { ep_walkable_over,                 EP_WALKABLE_OVER                },
4655     { ep_walkable_inside,               EP_WALKABLE_INSIDE              },
4656     { ep_walkable_under,                EP_WALKABLE_UNDER               },
4657     { ep_passable_over,                 EP_PASSABLE_OVER                },
4658     { ep_passable_inside,               EP_PASSABLE_INSIDE              },
4659     { ep_passable_under,                EP_PASSABLE_UNDER               },
4660     { ep_droppable,                     EP_DROPPABLE                    },
4661     { ep_explodes_1x1_old,              EP_EXPLODES_1X1_OLD             },
4662     { ep_pushable,                      EP_PUSHABLE                     },
4663     { ep_explodes_cross_old,            EP_EXPLODES_CROSS_OLD           },
4664     { ep_protected,                     EP_PROTECTED                    },
4665     { ep_throwable,                     EP_THROWABLE                    },
4666     { ep_can_explode,                   EP_CAN_EXPLODE                  },
4667     { ep_gravity_reachable,             EP_GRAVITY_REACHABLE            },
4668
4669     { ep_empty_space,                   EP_EMPTY_SPACE                  },
4670     { ep_player,                        EP_PLAYER                       },
4671     { ep_can_pass_magic_wall,           EP_CAN_PASS_MAGIC_WALL          },
4672     { ep_can_pass_dc_magic_wall,        EP_CAN_PASS_DC_MAGIC_WALL       },
4673     { ep_switchable,                    EP_SWITCHABLE                   },
4674     { ep_bd_element,                    EP_BD_ELEMENT                   },
4675     { ep_sp_element,                    EP_SP_ELEMENT                   },
4676     { ep_sb_element,                    EP_SB_ELEMENT                   },
4677     { ep_gem,                           EP_GEM                          },
4678     { ep_food_dark_yamyam,              EP_FOOD_DARK_YAMYAM             },
4679     { ep_food_penguin,                  EP_FOOD_PENGUIN                 },
4680     { ep_food_pig,                      EP_FOOD_PIG                     },
4681     { ep_historic_wall,                 EP_HISTORIC_WALL                },
4682     { ep_historic_solid,                EP_HISTORIC_SOLID               },
4683     { ep_classic_enemy,                 EP_CLASSIC_ENEMY                },
4684     { ep_belt,                          EP_BELT                         },
4685     { ep_belt_active,                   EP_BELT_ACTIVE                  },
4686     { ep_belt_switch,                   EP_BELT_SWITCH                  },
4687     { ep_tube,                          EP_TUBE                         },
4688     { ep_acid_pool,                     EP_ACID_POOL                    },
4689     { ep_keygate,                       EP_KEYGATE                      },
4690     { ep_amoeboid,                      EP_AMOEBOID                     },
4691     { ep_amoebalive,                    EP_AMOEBALIVE                   },
4692     { ep_has_editor_content,            EP_HAS_EDITOR_CONTENT           },
4693     { ep_can_turn_each_move,            EP_CAN_TURN_EACH_MOVE           },
4694     { ep_can_grow,                      EP_CAN_GROW                     },
4695     { ep_active_bomb,                   EP_ACTIVE_BOMB                  },
4696     { ep_inactive,                      EP_INACTIVE                     },
4697
4698     { ep_em_slippery_wall,              EP_EM_SLIPPERY_WALL             },
4699
4700     { ep_gfx_crumbled,                  EP_GFX_CRUMBLED                 },
4701
4702     { ep_editor_cascade_active,         EP_EDITOR_CASCADE_ACTIVE        },
4703     { ep_editor_cascade_inactive,       EP_EDITOR_CASCADE_INACTIVE      },
4704
4705     { ep_obsolete,                      EP_OBSOLETE                     },
4706
4707     { NULL,                             -1                              }
4708   };
4709
4710   int i, j, k;
4711
4712   // always start with reliable default values (element has no properties)
4713   // (but never initialize clipboard elements after the very first time)
4714   // (to be able to use clipboard elements between several levels)
4715   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
4716     if (!IS_CLIPBOARD_ELEMENT(i) || !clipboard_elements_initialized)
4717       for (j = 0; j < NUM_ELEMENT_PROPERTIES; j++)
4718         SET_PROPERTY(i, j, FALSE);
4719
4720   // set all base element properties from above array definitions
4721   for (i = 0; element_properties[i].elements != NULL; i++)
4722     for (j = 0; (element_properties[i].elements)[j] != -1; j++)
4723       SET_PROPERTY((element_properties[i].elements)[j],
4724                    element_properties[i].property, TRUE);
4725
4726   // copy properties to some elements that are only stored in level file
4727   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
4728     for (j = 0; copy_properties[j][0] != -1; j++)
4729       if (HAS_PROPERTY(copy_properties[j][0], i))
4730         for (k = 1; k <= 4; k++)
4731           SET_PROPERTY(copy_properties[j][k], i, TRUE);
4732
4733   // set static element properties that are not listed in array definitions
4734   for (i = EL_STEEL_CHAR_START; i <= EL_STEEL_CHAR_END; i++)
4735     SET_PROPERTY(i, EP_INDESTRUCTIBLE, TRUE);
4736
4737   clipboard_elements_initialized = TRUE;
4738 }
4739
4740 void InitElementPropertiesEngine(int engine_version)
4741 {
4742   static int no_wall_properties[] =
4743   {
4744     EP_DIGGABLE,
4745     EP_COLLECTIBLE_ONLY,
4746     EP_DONT_RUN_INTO,
4747     EP_DONT_COLLIDE_WITH,
4748     EP_CAN_MOVE,
4749     EP_CAN_FALL,
4750     EP_CAN_SMASH_PLAYER,
4751     EP_CAN_SMASH_ENEMIES,
4752     EP_CAN_SMASH_EVERYTHING,
4753     EP_PUSHABLE,
4754
4755     EP_PLAYER,
4756     EP_GEM,
4757     EP_FOOD_DARK_YAMYAM,
4758     EP_FOOD_PENGUIN,
4759     EP_BELT,
4760     EP_BELT_ACTIVE,
4761     EP_TUBE,
4762     EP_AMOEBOID,
4763     EP_AMOEBALIVE,
4764     EP_ACTIVE_BOMB,
4765
4766     EP_ACCESSIBLE,
4767
4768     -1
4769   };
4770
4771   int i, j;
4772
4773   /* important: after initialization in InitElementPropertiesStatic(), the
4774      elements are not again initialized to a default value; therefore all
4775      changes have to make sure that they leave the element with a defined
4776      property (which means that conditional property changes must be set to
4777      a reliable default value before) */
4778
4779   // resolve group elements
4780   for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
4781     ResolveGroupElement(EL_GROUP_START + i);
4782
4783   // set all special, combined or engine dependent element properties
4784   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
4785   {
4786     // do not change (already initialized) clipboard elements here
4787     if (IS_CLIPBOARD_ELEMENT(i))
4788       continue;
4789
4790     // ---------- INACTIVE ----------------------------------------------------
4791     SET_PROPERTY(i, EP_INACTIVE, ((i >= EL_CHAR_START &&
4792                                    i <= EL_CHAR_END) ||
4793                                   (i >= EL_STEEL_CHAR_START &&
4794                                    i <= EL_STEEL_CHAR_END)));
4795
4796     // ---------- WALKABLE, PASSABLE, ACCESSIBLE ------------------------------
4797     SET_PROPERTY(i, EP_WALKABLE, (IS_WALKABLE_OVER(i) ||
4798                                   IS_WALKABLE_INSIDE(i) ||
4799                                   IS_WALKABLE_UNDER(i)));
4800
4801     SET_PROPERTY(i, EP_PASSABLE, (IS_PASSABLE_OVER(i) ||
4802                                   IS_PASSABLE_INSIDE(i) ||
4803                                   IS_PASSABLE_UNDER(i)));
4804
4805     SET_PROPERTY(i, EP_ACCESSIBLE_OVER, (IS_WALKABLE_OVER(i) ||
4806                                          IS_PASSABLE_OVER(i)));
4807
4808     SET_PROPERTY(i, EP_ACCESSIBLE_INSIDE, (IS_WALKABLE_INSIDE(i) ||
4809                                            IS_PASSABLE_INSIDE(i)));
4810
4811     SET_PROPERTY(i, EP_ACCESSIBLE_UNDER, (IS_WALKABLE_UNDER(i) ||
4812                                           IS_PASSABLE_UNDER(i)));
4813
4814     SET_PROPERTY(i, EP_ACCESSIBLE, (IS_WALKABLE(i) ||
4815                                     IS_PASSABLE(i)));
4816
4817     // ---------- COLLECTIBLE -------------------------------------------------
4818     SET_PROPERTY(i, EP_COLLECTIBLE, (IS_COLLECTIBLE_ONLY(i) ||
4819                                      IS_DROPPABLE(i) ||
4820                                      IS_THROWABLE(i)));
4821
4822     // ---------- SNAPPABLE ---------------------------------------------------
4823     SET_PROPERTY(i, EP_SNAPPABLE, (IS_DIGGABLE(i) ||
4824                                    IS_COLLECTIBLE(i) ||
4825                                    IS_SWITCHABLE(i) ||
4826                                    i == EL_BD_ROCK));
4827
4828     // ---------- WALL --------------------------------------------------------
4829     SET_PROPERTY(i, EP_WALL, TRUE);     // default: element is wall
4830
4831     for (j = 0; no_wall_properties[j] != -1; j++)
4832       if (HAS_PROPERTY(i, no_wall_properties[j]) ||
4833           i >= EL_FIRST_RUNTIME_UNREAL)
4834         SET_PROPERTY(i, EP_WALL, FALSE);
4835
4836     if (IS_HISTORIC_WALL(i))
4837       SET_PROPERTY(i, EP_WALL, TRUE);
4838
4839     // ---------- SOLID_FOR_PUSHING -------------------------------------------
4840     if (engine_version < VERSION_IDENT(2,2,0,0))
4841       SET_PROPERTY(i, EP_SOLID_FOR_PUSHING, IS_HISTORIC_SOLID(i));
4842     else
4843       SET_PROPERTY(i, EP_SOLID_FOR_PUSHING, (!IS_WALKABLE(i) &&
4844                                              !IS_DIGGABLE(i) &&
4845                                              !IS_COLLECTIBLE(i)));
4846
4847     // ---------- DRAGONFIRE_PROOF --------------------------------------------
4848     if (IS_HISTORIC_SOLID(i) || i == EL_EXPLOSION)
4849       SET_PROPERTY(i, EP_DRAGONFIRE_PROOF, TRUE);
4850     else
4851       SET_PROPERTY(i, EP_DRAGONFIRE_PROOF, (IS_INDESTRUCTIBLE(i) &&
4852                                             i != EL_ACID));
4853
4854     // ---------- EXPLOSION_PROOF ---------------------------------------------
4855     if (i == EL_FLAMES)
4856       SET_PROPERTY(i, EP_EXPLOSION_PROOF, TRUE);
4857     else if (engine_version < VERSION_IDENT(2,2,0,0))
4858       SET_PROPERTY(i, EP_EXPLOSION_PROOF, IS_INDESTRUCTIBLE(i));
4859     else
4860       SET_PROPERTY(i, EP_EXPLOSION_PROOF, (IS_INDESTRUCTIBLE(i) &&
4861                                            (!IS_WALKABLE(i) ||
4862                                             IS_PROTECTED(i))));
4863
4864     if (IS_CUSTOM_ELEMENT(i))
4865     {
4866       // these are additional properties which are initially false when set
4867
4868       // ---------- DONT_COLLIDE_WITH / DONT_RUN_INTO -------------------------
4869       if (DONT_TOUCH(i))
4870         SET_PROPERTY(i, EP_DONT_COLLIDE_WITH, TRUE);
4871       if (DONT_COLLIDE_WITH(i))
4872         SET_PROPERTY(i, EP_DONT_RUN_INTO, TRUE);
4873
4874       // ---------- CAN_SMASH_ENEMIES / CAN_SMASH_PLAYER ----------------------
4875       if (CAN_SMASH_EVERYTHING(i))
4876         SET_PROPERTY(i, EP_CAN_SMASH_ENEMIES, TRUE);
4877       if (CAN_SMASH_ENEMIES(i))
4878         SET_PROPERTY(i, EP_CAN_SMASH_PLAYER, TRUE);
4879     }
4880
4881     // ---------- CAN_SMASH ---------------------------------------------------
4882     SET_PROPERTY(i, EP_CAN_SMASH, (CAN_SMASH_PLAYER(i) ||
4883                                    CAN_SMASH_ENEMIES(i) ||
4884                                    CAN_SMASH_EVERYTHING(i)));
4885
4886     // ---------- CAN_EXPLODE_BY_FIRE -----------------------------------------
4887     SET_PROPERTY(i, EP_CAN_EXPLODE_BY_FIRE, (CAN_EXPLODE(i) &&
4888                                              EXPLODES_BY_FIRE(i)));
4889
4890     // ---------- CAN_EXPLODE_SMASHED -----------------------------------------
4891     SET_PROPERTY(i, EP_CAN_EXPLODE_SMASHED, (CAN_EXPLODE(i) &&
4892                                              EXPLODES_SMASHED(i)));
4893
4894     // ---------- CAN_EXPLODE_IMPACT ------------------------------------------
4895     SET_PROPERTY(i, EP_CAN_EXPLODE_IMPACT, (CAN_EXPLODE(i) &&
4896                                             EXPLODES_IMPACT(i)));
4897
4898     // ---------- CAN_EXPLODE_BY_DRAGONFIRE -----------------------------------
4899     SET_PROPERTY(i, EP_CAN_EXPLODE_BY_DRAGONFIRE, CAN_EXPLODE_BY_FIRE(i));
4900
4901     // ---------- CAN_EXPLODE_BY_EXPLOSION ------------------------------------
4902     SET_PROPERTY(i, EP_CAN_EXPLODE_BY_EXPLOSION, (CAN_EXPLODE_BY_FIRE(i) ||
4903                                                   i == EL_BLACK_ORB));
4904
4905     // ---------- COULD_MOVE_INTO_ACID ----------------------------------------
4906     SET_PROPERTY(i, EP_COULD_MOVE_INTO_ACID, (IS_PLAYER_ELEMENT(i) ||
4907                                               CAN_MOVE(i) ||
4908                                               IS_CUSTOM_ELEMENT(i)));
4909
4910     // ---------- MAYBE_DONT_COLLIDE_WITH -------------------------------------
4911     SET_PROPERTY(i, EP_MAYBE_DONT_COLLIDE_WITH, (i == EL_SP_SNIKSNAK ||
4912                                                  i == EL_SP_ELECTRON));
4913
4914     // ---------- CAN_MOVE_INTO_ACID ------------------------------------------
4915     if (COULD_MOVE_INTO_ACID(i) && !IS_CUSTOM_ELEMENT(i))
4916       SET_PROPERTY(i, EP_CAN_MOVE_INTO_ACID,
4917                    getMoveIntoAcidProperty(&level, i));
4918
4919     // ---------- DONT_COLLIDE_WITH -------------------------------------------
4920     if (MAYBE_DONT_COLLIDE_WITH(i))
4921       SET_PROPERTY(i, EP_DONT_COLLIDE_WITH,
4922                    getDontCollideWithProperty(&level, i));
4923
4924     // ---------- SP_PORT -----------------------------------------------------
4925     SET_PROPERTY(i, EP_SP_PORT, (IS_SP_ELEMENT(i) &&
4926                                  IS_PASSABLE_INSIDE(i)));
4927
4928     // ---------- CAN_BE_CLONED_BY_ANDROID ------------------------------------
4929     for (j = 0; j < level.num_android_clone_elements; j++)
4930       SET_PROPERTY(i, EP_CAN_BE_CLONED_BY_ANDROID,
4931                    (!IS_EMPTY(i) &&
4932                     IS_EQUAL_OR_IN_GROUP(i, level.android_clone_element[j])));
4933
4934     // ---------- CAN_CHANGE --------------------------------------------------
4935     SET_PROPERTY(i, EP_CAN_CHANGE, FALSE);      // default: cannot change
4936     for (j = 0; j < element_info[i].num_change_pages; j++)
4937       if (element_info[i].change_page[j].can_change)
4938         SET_PROPERTY(i, EP_CAN_CHANGE, TRUE);
4939
4940     // ---------- HAS_ACTION --------------------------------------------------
4941     SET_PROPERTY(i, EP_HAS_ACTION, FALSE);      // default: has no action
4942     for (j = 0; j < element_info[i].num_change_pages; j++)
4943       if (element_info[i].change_page[j].has_action)
4944         SET_PROPERTY(i, EP_HAS_ACTION, TRUE);
4945
4946     // ---------- CAN_CHANGE_OR_HAS_ACTION ------------------------------------
4947     SET_PROPERTY(i, EP_CAN_CHANGE_OR_HAS_ACTION, (CAN_CHANGE(i) ||
4948                                                   HAS_ACTION(i)));
4949
4950     // ---------- GFX_CRUMBLED ------------------------------------------------
4951     SET_PROPERTY(i, EP_GFX_CRUMBLED,
4952                  element_info[i].crumbled[ACTION_DEFAULT] !=
4953                  element_info[i].graphic[ACTION_DEFAULT]);
4954
4955     // ---------- EDITOR_CASCADE ----------------------------------------------
4956     SET_PROPERTY(i, EP_EDITOR_CASCADE, (IS_EDITOR_CASCADE_ACTIVE(i) ||
4957                                         IS_EDITOR_CASCADE_INACTIVE(i)));
4958   }
4959
4960   // dynamically adjust element properties according to game engine version
4961   {
4962     static int ep_em_slippery_wall[] =
4963     {
4964       EL_WALL,
4965       EL_STEELWALL,
4966       EL_EXPANDABLE_WALL,
4967       EL_EXPANDABLE_WALL_HORIZONTAL,
4968       EL_EXPANDABLE_WALL_VERTICAL,
4969       EL_EXPANDABLE_WALL_ANY,
4970       EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4971       EL_EXPANDABLE_STEELWALL_VERTICAL,
4972       EL_EXPANDABLE_STEELWALL_ANY,
4973       EL_EXPANDABLE_STEELWALL_GROWING,
4974       -1
4975     };
4976
4977     static int ep_em_explodes_by_fire[] =
4978     {
4979       EL_EM_DYNAMITE,
4980       EL_EM_DYNAMITE_ACTIVE,
4981       EL_MOLE,
4982       -1
4983     };
4984
4985     // special EM style gems behaviour
4986     for (i = 0; ep_em_slippery_wall[i] != -1; i++)
4987       SET_PROPERTY(ep_em_slippery_wall[i], EP_EM_SLIPPERY_WALL,
4988                    level.em_slippery_gems);
4989
4990     // "EL_EXPANDABLE_WALL_GROWING" wasn't slippery for EM gems in 2.0.1
4991     SET_PROPERTY(EL_EXPANDABLE_WALL_GROWING, EP_EM_SLIPPERY_WALL,
4992                  (level.em_slippery_gems &&
4993                   engine_version > VERSION_IDENT(2,0,1,0)));
4994
4995     // special EM style explosion behaviour regarding chain reactions
4996     for (i = 0; ep_em_explodes_by_fire[i] != -1; i++)
4997       SET_PROPERTY(ep_em_explodes_by_fire[i], EP_EXPLODES_BY_FIRE,
4998                    level.em_explodes_by_fire);
4999   }
5000
5001   // this is needed because some graphics depend on element properties
5002   if (game_status == GAME_MODE_PLAYING)
5003     InitElementGraphicInfo();
5004 }
5005
5006 void InitElementPropertiesGfxElement(void)
5007 {
5008   int i;
5009
5010   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
5011   {
5012     struct ElementInfo *ei = &element_info[i];
5013
5014     ei->gfx_element = (ei->use_gfx_element ? ei->gfx_element_initial : i);
5015   }
5016 }
5017
5018 static void InitGlobal(void)
5019 {
5020   int graphic;
5021   int i;
5022
5023   for (i = 0; i < MAX_NUM_ELEMENTS + 1; i++)
5024   {
5025     // check if element_name_info entry defined for each element in "main.h"
5026     if (i < MAX_NUM_ELEMENTS && element_name_info[i].token_name == NULL)
5027       Fail("undefined 'element_name_info' entry for element %d", i);
5028
5029     element_info[i].token_name = element_name_info[i].token_name;
5030     element_info[i].class_name = element_name_info[i].class_name;
5031     element_info[i].editor_description= element_name_info[i].editor_description;
5032   }
5033
5034   for (i = 0; i < NUM_GLOBAL_ANIM_TOKENS + 1; i++)
5035   {
5036     // check if global_anim_name_info defined for each entry in "main.h"
5037     if (i < NUM_GLOBAL_ANIM_TOKENS &&
5038         global_anim_name_info[i].token_name == NULL)
5039       Fail("undefined 'global_anim_name_info' entry for anim %d", i);
5040
5041     global_anim_info[i].token_name = global_anim_name_info[i].token_name;
5042   }
5043
5044   // create hash to store URLs for global animations
5045   anim_url_hash = newSetupFileHash();
5046
5047   // create hash from image config list
5048   image_config_hash = newSetupFileHash();
5049   for (i = 0; image_config[i].token != NULL; i++)
5050     setHashEntry(image_config_hash,
5051                  image_config[i].token,
5052                  image_config[i].value);
5053
5054   // create hash from sound config list
5055   sound_config_hash = newSetupFileHash();
5056   for (i = 0; sound_config[i].token != NULL; i++)
5057     setHashEntry(sound_config_hash,
5058                  sound_config[i].token,
5059                  sound_config[i].value);
5060
5061   // create hash from element token list
5062   element_token_hash = newSetupFileHash();
5063   for (i = 0; element_name_info[i].token_name != NULL; i++)
5064     setHashEntry(element_token_hash,
5065                  element_name_info[i].token_name,
5066                  int2str(i, 0));
5067
5068   // create hash from graphic token list
5069   graphic_token_hash = newSetupFileHash();
5070   for (graphic = 0, i = 0; image_config[i].token != NULL; i++)
5071     if (strSuffix(image_config[i].value, ".png") ||
5072         strSuffix(image_config[i].value, ".pcx") ||
5073         strSuffix(image_config[i].value, ".wav") ||
5074         strEqual(image_config[i].value, UNDEFINED_FILENAME))
5075       setHashEntry(graphic_token_hash,
5076                    image_config[i].token,
5077                    int2str(graphic++, 0));
5078
5079   // create hash from font token list
5080   font_token_hash = newSetupFileHash();
5081   for (i = 0; font_info[i].token_name != NULL; i++)
5082     setHashEntry(font_token_hash,
5083                  font_info[i].token_name,
5084                  int2str(i, 0));
5085
5086   // set default filenames for all cloned graphics in static configuration
5087   for (i = 0; image_config[i].token != NULL; i++)
5088   {
5089     if (strEqual(image_config[i].value, UNDEFINED_FILENAME))
5090     {
5091       char *token = image_config[i].token;
5092       char *token_clone_from = getStringCat2(token, ".clone_from");
5093       char *token_cloned = getHashEntry(image_config_hash, token_clone_from);
5094
5095       if (token_cloned != NULL)
5096       {
5097         char *value_cloned = getHashEntry(image_config_hash, token_cloned);
5098
5099         if (value_cloned != NULL)
5100         {
5101           // set default filename in static configuration
5102           image_config[i].value = value_cloned;
5103
5104           // set default filename in image config hash
5105           setHashEntry(image_config_hash, token, value_cloned);
5106         }
5107       }
5108
5109       free(token_clone_from);
5110     }
5111   }
5112
5113   // always start with reliable default values (all elements)
5114   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
5115     ActiveElement[i] = i;
5116
5117   // now add all entries that have an active state (active elements)
5118   for (i = 0; element_with_active_state[i].element != -1; i++)
5119   {
5120     int element = element_with_active_state[i].element;
5121     int element_active = element_with_active_state[i].element_active;
5122
5123     ActiveElement[element] = element_active;
5124   }
5125
5126   // always start with reliable default values (all buttons)
5127   for (i = 0; i < NUM_IMAGE_FILES; i++)
5128     ActiveButton[i] = i;
5129
5130   // now add all entries that have an active state (active buttons)
5131   for (i = 0; button_with_active_state[i].button != -1; i++)
5132   {
5133     int button = button_with_active_state[i].button;
5134     int button_active = button_with_active_state[i].button_active;
5135
5136     ActiveButton[button] = button_active;
5137   }
5138
5139   // always start with reliable default values (all fonts)
5140   for (i = 0; i < NUM_FONTS; i++)
5141     ActiveFont[i] = i;
5142
5143   // now add all entries that have an active state (active fonts)
5144   for (i = 0; font_with_active_state[i].font_nr != -1; i++)
5145   {
5146     int font = font_with_active_state[i].font_nr;
5147     int font_active = font_with_active_state[i].font_nr_active;
5148
5149     ActiveFont[font] = font_active;
5150   }
5151
5152   global.autoplay_leveldir = NULL;
5153   global.patchtapes_leveldir = NULL;
5154   global.convert_leveldir = NULL;
5155   global.dumplevel_leveldir = NULL;
5156   global.dumptape_leveldir = NULL;
5157   global.create_sketch_images_dir = NULL;
5158   global.create_collect_images_dir = NULL;
5159
5160   global.frames_per_second = 0;
5161   global.show_frames_per_second = FALSE;
5162
5163   global.border_status = GAME_MODE_LOADING;
5164   global.anim_status = global.anim_status_next = GAME_MODE_LOADING;
5165
5166   global.use_envelope_request = FALSE;
5167
5168   global.user_names = NULL;
5169 }
5170
5171 static void Execute_Command(char *command)
5172 {
5173   int i;
5174
5175   if (strEqual(command, "print graphicsinfo.conf"))
5176   {
5177     Print("# You can configure additional/alternative image files here.\n");
5178     Print("# (The entries below are default and therefore commented out.)\n");
5179     Print("\n");
5180     Print("%s\n", getFormattedSetupEntry("name", "Classic Graphics"));
5181     Print("\n");
5182     Print("%s\n", getFormattedSetupEntry("sort_priority", "100"));
5183     Print("\n");
5184
5185     for (i = 0; image_config[i].token != NULL; i++)
5186       Print("# %s\n", getFormattedSetupEntry(image_config[i].token,
5187                                              image_config[i].value));
5188
5189     exit(0);
5190   }
5191   else if (strEqual(command, "print soundsinfo.conf"))
5192   {
5193     Print("# You can configure additional/alternative sound files here.\n");
5194     Print("# (The entries below are default and therefore commented out.)\n");
5195     Print("\n");
5196     Print("%s\n", getFormattedSetupEntry("name", "Classic Sounds"));
5197     Print("\n");
5198     Print("%s\n", getFormattedSetupEntry("sort_priority", "100"));
5199     Print("\n");
5200
5201     for (i = 0; sound_config[i].token != NULL; i++)
5202       Print("# %s\n", getFormattedSetupEntry(sound_config[i].token,
5203                                              sound_config[i].value));
5204
5205     exit(0);
5206   }
5207   else if (strEqual(command, "print musicinfo.conf"))
5208   {
5209     Print("# You can configure additional/alternative music files here.\n");
5210     Print("# (The entries below are default and therefore commented out.)\n");
5211     Print("\n");
5212     Print("%s\n", getFormattedSetupEntry("name", "Classic Music"));
5213     Print("\n");
5214     Print("%s\n", getFormattedSetupEntry("sort_priority", "100"));
5215     Print("\n");
5216
5217     for (i = 0; music_config[i].token != NULL; i++)
5218       Print("# %s\n", getFormattedSetupEntry(music_config[i].token,
5219                                              music_config[i].value));
5220
5221     exit(0);
5222   }
5223   else if (strEqual(command, "print editorsetup.conf"))
5224   {
5225     Print("# You can configure your personal editor element list here.\n");
5226     Print("# (The entries below are default and therefore commented out.)\n");
5227     Print("\n");
5228
5229     // this is needed to be able to check element list for cascade elements
5230     InitElementPropertiesStatic();
5231     InitElementPropertiesEngine(GAME_VERSION_ACTUAL);
5232
5233     PrintEditorElementList();
5234
5235     exit(0);
5236   }
5237   else if (strEqual(command, "print helpanim.conf"))
5238   {
5239     Print("# You can configure different element help animations here.\n");
5240     Print("# (The entries below are default and therefore commented out.)\n");
5241     Print("\n");
5242
5243     for (i = 0; helpanim_config[i].token != NULL; i++)
5244     {
5245       Print("# %s\n", getFormattedSetupEntry(helpanim_config[i].token,
5246                                              helpanim_config[i].value));
5247
5248       if (strEqual(helpanim_config[i].token, "end"))
5249         Print("#\n");
5250     }
5251
5252     exit(0);
5253   }
5254   else if (strEqual(command, "print helptext.conf"))
5255   {
5256     Print("# You can configure different element help text here.\n");
5257     Print("# (The entries below are default and therefore commented out.)\n");
5258     Print("\n");
5259
5260     for (i = 0; helptext_config[i].token != NULL; i++)
5261       Print("# %s\n", getFormattedSetupEntry(helptext_config[i].token,
5262                                              helptext_config[i].value));
5263
5264     exit(0);
5265   }
5266   else if (strPrefix(command, "dump level "))
5267   {
5268     char *filename = &command[11];
5269
5270     if (fileExists(filename))
5271     {
5272       LoadLevelFromFilename(&level, filename);
5273       DumpLevel(&level);
5274
5275       exit(0);
5276     }
5277
5278     char *leveldir = getStringCopy(filename);   // read command parameters
5279     char *level_nr = strchr(leveldir, ' ');
5280
5281     if (level_nr == NULL)
5282       Fail("cannot open file '%s'", filename);
5283
5284     *level_nr++ = '\0';
5285
5286     global.dumplevel_leveldir = leveldir;
5287     global.dumplevel_level_nr = atoi(level_nr);
5288
5289     program.headless = TRUE;
5290   }
5291   else if (strPrefix(command, "dump tape "))
5292   {
5293     char *filename = &command[10];
5294
5295     if (fileExists(filename))
5296     {
5297       LoadTapeFromFilename(filename);
5298       DumpTape(&tape);
5299
5300       exit(0);
5301     }
5302
5303     char *leveldir = getStringCopy(filename);   // read command parameters
5304     char *level_nr = strchr(leveldir, ' ');
5305
5306     if (level_nr == NULL)
5307       Fail("cannot open file '%s'", filename);
5308
5309     *level_nr++ = '\0';
5310
5311     global.dumptape_leveldir = leveldir;
5312     global.dumptape_level_nr = atoi(level_nr);
5313
5314     program.headless = TRUE;
5315   }
5316   else if (strPrefix(command, "autoplay ") ||
5317            strPrefix(command, "autoffwd ") ||
5318            strPrefix(command, "autowarp ") ||
5319            strPrefix(command, "autotest ") ||
5320            strPrefix(command, "autosave ") ||
5321            strPrefix(command, "autoupload ") ||
5322            strPrefix(command, "autofix "))
5323   {
5324     char *arg_ptr = strchr(command, ' ');
5325     char *str_ptr = getStringCopy(arg_ptr);     // read command parameters
5326
5327     global.autoplay_mode =
5328       (strPrefix(command, "autoplay") ? AUTOPLAY_MODE_PLAY :
5329        strPrefix(command, "autoffwd") ? AUTOPLAY_MODE_FFWD :
5330        strPrefix(command, "autowarp") ? AUTOPLAY_MODE_WARP :
5331        strPrefix(command, "autotest") ? AUTOPLAY_MODE_TEST :
5332        strPrefix(command, "autosave") ? AUTOPLAY_MODE_SAVE :
5333        strPrefix(command, "autoupload") ? AUTOPLAY_MODE_UPLOAD :
5334        strPrefix(command, "autofix")  ? AUTOPLAY_MODE_FIX :
5335        AUTOPLAY_MODE_NONE);
5336
5337     while (*str_ptr != '\0')                    // continue parsing string
5338     {
5339       // cut leading whitespace from string, replace it by string terminator
5340       while (*str_ptr == ' ' || *str_ptr == '\t')
5341         *str_ptr++ = '\0';
5342
5343       if (*str_ptr == '\0')                     // end of string reached
5344         break;
5345
5346       if (global.autoplay_leveldir == NULL)     // read level set string
5347       {
5348         global.autoplay_leveldir = str_ptr;
5349         global.autoplay_all = TRUE;             // default: play all tapes
5350
5351         for (i = 0; i < MAX_TAPES_PER_SET; i++)
5352           global.autoplay_level[i] = FALSE;
5353       }
5354       else                                      // read level number string
5355       {
5356         int level_nr = atoi(str_ptr);           // get level_nr value
5357
5358         if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
5359           global.autoplay_level[level_nr] = TRUE;
5360
5361         global.autoplay_all = FALSE;
5362       }
5363
5364       // advance string pointer to the next whitespace (or end of string)
5365       while (*str_ptr != ' ' && *str_ptr != '\t' && *str_ptr != '\0')
5366         str_ptr++;
5367     }
5368
5369     if (global.autoplay_mode & AUTOPLAY_WARP_NO_DISPLAY)
5370       program.headless = TRUE;
5371   }
5372   else if (strPrefix(command, "patch tapes "))
5373   {
5374     char *str_ptr = getStringCopy(&command[12]); // read command parameters
5375
5376     // skip leading whitespace
5377     while (*str_ptr == ' ' || *str_ptr == '\t')
5378       str_ptr++;
5379
5380     if (*str_ptr == '\0')
5381       Fail("cannot find MODE in command '%s'", command);
5382
5383     global.patchtapes_mode = str_ptr;           // store patch mode
5384
5385     // advance to next whitespace (or end of string)
5386     while (*str_ptr != ' ' && *str_ptr != '\t' && *str_ptr != '\0')
5387       str_ptr++;
5388
5389     while (*str_ptr != '\0')                    // continue parsing string
5390     {
5391       // cut leading whitespace from string, replace it by string terminator
5392       while (*str_ptr == ' ' || *str_ptr == '\t')
5393         *str_ptr++ = '\0';
5394
5395       if (*str_ptr == '\0')                     // end of string reached
5396         break;
5397
5398       if (global.patchtapes_leveldir == NULL)   // read level set string
5399       {
5400         global.patchtapes_leveldir = str_ptr;
5401         global.patchtapes_all = TRUE;           // default: patch all tapes
5402
5403         for (i = 0; i < MAX_TAPES_PER_SET; i++)
5404           global.patchtapes_level[i] = FALSE;
5405       }
5406       else                                      // read level number string
5407       {
5408         int level_nr = atoi(str_ptr);           // get level_nr value
5409
5410         if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
5411           global.patchtapes_level[level_nr] = TRUE;
5412
5413         global.patchtapes_all = FALSE;
5414       }
5415
5416       // advance string pointer to the next whitespace (or end of string)
5417       while (*str_ptr != ' ' && *str_ptr != '\t' && *str_ptr != '\0')
5418         str_ptr++;
5419     }
5420
5421     if (global.patchtapes_leveldir == NULL)
5422     {
5423       if (strEqual(global.patchtapes_mode, "help"))
5424         global.patchtapes_leveldir = UNDEFINED_LEVELSET;
5425       else
5426         Fail("cannot find LEVELDIR in command '%s'", command);
5427     }
5428
5429     program.headless = TRUE;
5430   }
5431   else if (strPrefix(command, "convert "))
5432   {
5433     char *str_copy = getStringCopy(strchr(command, ' ') + 1);
5434     char *str_ptr = strchr(str_copy, ' ');
5435
5436     global.convert_leveldir = str_copy;
5437     global.convert_level_nr = -1;
5438
5439     if (str_ptr != NULL)                        // level number follows
5440     {
5441       *str_ptr++ = '\0';                        // terminate leveldir string
5442       global.convert_level_nr = atoi(str_ptr);  // get level_nr value
5443     }
5444
5445     program.headless = TRUE;
5446   }
5447   else if (strPrefix(command, "create sketch images "))
5448   {
5449     global.create_sketch_images_dir = getStringCopy(&command[21]);
5450
5451     if (access(global.create_sketch_images_dir, W_OK) != 0)
5452       Fail("image target directory '%s' not found or not writable",
5453            global.create_sketch_images_dir);
5454   }
5455   else if (strPrefix(command, "create collect image "))
5456   {
5457     global.create_collect_images_dir = getStringCopy(&command[21]);
5458
5459     if (access(global.create_collect_images_dir, W_OK) != 0)
5460       Fail("image target directory '%s' not found or not writable",
5461            global.create_collect_images_dir);
5462   }
5463   else if (strPrefix(command, "create CE image "))
5464   {
5465     CreateCustomElementImages(&command[16]);
5466
5467     exit(0);
5468   }
5469   else
5470   {
5471     FailWithHelp("unrecognized command '%s'", command);
5472   }
5473
5474   // disable networking if any valid command was recognized
5475   options.network = setup.network_mode = FALSE;
5476 }
5477
5478 static void InitSetup(void)
5479 {
5480   LoadUserNames();                              // global user names
5481   LoadUserSetup();                              // global user number
5482
5483   LoadSetup();                                  // global setup info
5484
5485   // set some options from setup file
5486
5487   if (setup.options.verbose)
5488     options.verbose = TRUE;
5489
5490   if (setup.options.debug)
5491     options.debug = TRUE;
5492
5493   if (!strEqual(setup.options.debug_mode, ARG_UNDEFINED_STRING))
5494     options.debug_mode = getStringCopy(setup.options.debug_mode);
5495
5496   if (setup.debug.show_frames_per_second)
5497     global.show_frames_per_second = TRUE;
5498 }
5499
5500 static void InitGameInfo(void)
5501 {
5502   game.restart_level = FALSE;
5503   game.request_active = FALSE;
5504
5505   game.use_masked_elements_initial = FALSE;
5506 }
5507
5508 static void InitPlayerInfo(void)
5509 {
5510   int i;
5511
5512   // choose default local player
5513   local_player = &stored_player[0];
5514
5515   for (i = 0; i < MAX_PLAYERS; i++)
5516   {
5517     stored_player[i].connected_locally = FALSE;
5518     stored_player[i].connected_network = FALSE;
5519   }
5520
5521   local_player->connected_locally = TRUE;
5522 }
5523
5524 static void InitArtworkInfo(void)
5525 {
5526   LoadArtworkInfo();
5527 }
5528
5529 static char *get_string_in_brackets(char *string)
5530 {
5531   char *string_in_brackets = checked_malloc(strlen(string) + 3);
5532
5533   sprintf(string_in_brackets, "[%s]", string);
5534
5535   return string_in_brackets;
5536 }
5537
5538 static char *get_level_id_suffix(int id_nr)
5539 {
5540   char *id_suffix = checked_malloc(1 + 3 + 1);
5541
5542   if (id_nr < 0 || id_nr > 999)
5543     id_nr = 0;
5544
5545   sprintf(id_suffix, ".%03d", id_nr);
5546
5547   return id_suffix;
5548 }
5549
5550 static void InitArtworkConfig(void)
5551 {
5552   static char *image_id_prefix[MAX_NUM_ELEMENTS +
5553                                NUM_FONTS +
5554                                NUM_GLOBAL_ANIM_TOKENS + 1];
5555   static char *sound_id_prefix[2 * MAX_NUM_ELEMENTS +
5556                                NUM_GLOBAL_ANIM_TOKENS + 1];
5557   static char *music_id_prefix[NUM_MUSIC_PREFIXES +
5558                                NUM_GLOBAL_ANIM_TOKENS + 1];
5559   static char *action_id_suffix[NUM_ACTIONS + 1];
5560   static char *direction_id_suffix[NUM_DIRECTIONS_FULL + 1];
5561   static char *special_id_suffix[NUM_SPECIAL_GFX_ARGS + 1];
5562   static char *level_id_suffix[MAX_LEVELS + 1];
5563   static char *dummy[1] = { NULL };
5564   static char *ignore_generic_tokens[] =
5565   {
5566     "name",
5567     "sort_priority",
5568     "program_title",
5569     "program_copyright",
5570     "program_company",
5571
5572     NULL
5573   };
5574   static char **ignore_image_tokens;
5575   static char **ignore_sound_tokens;
5576   static char **ignore_music_tokens;
5577   int num_ignore_generic_tokens;
5578   int num_ignore_image_tokens;
5579   int num_ignore_sound_tokens;
5580   int num_ignore_music_tokens;
5581   int i;
5582
5583   // dynamically determine list of generic tokens to be ignored
5584   num_ignore_generic_tokens = 0;
5585   for (i = 0; ignore_generic_tokens[i] != NULL; i++)
5586     num_ignore_generic_tokens++;
5587
5588   // dynamically determine list of image tokens to be ignored
5589   num_ignore_image_tokens = num_ignore_generic_tokens;
5590   for (i = 0; image_config_vars[i].token != NULL; i++)
5591     num_ignore_image_tokens++;
5592   ignore_image_tokens =
5593     checked_malloc((num_ignore_image_tokens + 1) * sizeof(char *));
5594   for (i = 0; i < num_ignore_generic_tokens; i++)
5595     ignore_image_tokens[i] = ignore_generic_tokens[i];
5596   for (i = 0; i < num_ignore_image_tokens - num_ignore_generic_tokens; i++)
5597     ignore_image_tokens[num_ignore_generic_tokens + i] =
5598       image_config_vars[i].token;
5599   ignore_image_tokens[num_ignore_image_tokens] = NULL;
5600
5601   // dynamically determine list of sound tokens to be ignored
5602   num_ignore_sound_tokens = num_ignore_generic_tokens;
5603   for (i = 0; sound_config_vars[i].token != NULL; i++)
5604     num_ignore_sound_tokens++;
5605   ignore_sound_tokens =
5606     checked_malloc((num_ignore_sound_tokens + 1) * sizeof(char *));
5607   for (i = 0; i < num_ignore_generic_tokens; i++)
5608     ignore_sound_tokens[i] = ignore_generic_tokens[i];
5609   for (i = 0; i < num_ignore_sound_tokens - num_ignore_generic_tokens; i++)
5610     ignore_sound_tokens[num_ignore_generic_tokens + i] =
5611       sound_config_vars[i].token;
5612   ignore_sound_tokens[num_ignore_sound_tokens] = NULL;
5613
5614   // dynamically determine list of music tokens to be ignored
5615   num_ignore_music_tokens = num_ignore_generic_tokens;
5616   ignore_music_tokens =
5617     checked_malloc((num_ignore_music_tokens + 1) * sizeof(char *));
5618   for (i = 0; i < num_ignore_generic_tokens; i++)
5619     ignore_music_tokens[i] = ignore_generic_tokens[i];
5620   ignore_music_tokens[num_ignore_music_tokens] = NULL;
5621
5622   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
5623     image_id_prefix[i] = element_info[i].token_name;
5624   for (i = 0; i < NUM_FONTS; i++)
5625     image_id_prefix[MAX_NUM_ELEMENTS + i] = font_info[i].token_name;
5626   for (i = 0; i < NUM_GLOBAL_ANIM_TOKENS; i++)
5627     image_id_prefix[MAX_NUM_ELEMENTS + NUM_FONTS + i] =
5628       global_anim_info[i].token_name;
5629   image_id_prefix[MAX_NUM_ELEMENTS + NUM_FONTS + NUM_GLOBAL_ANIM_TOKENS] = NULL;
5630
5631   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
5632     sound_id_prefix[i] = element_info[i].token_name;
5633   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
5634     sound_id_prefix[MAX_NUM_ELEMENTS + i] =
5635       get_string_in_brackets(element_info[i].class_name);
5636   for (i = 0; i < NUM_GLOBAL_ANIM_TOKENS; i++)
5637     sound_id_prefix[2 * MAX_NUM_ELEMENTS + i] =
5638       global_anim_info[i].token_name;
5639   sound_id_prefix[2 * MAX_NUM_ELEMENTS + NUM_GLOBAL_ANIM_TOKENS] = NULL;
5640
5641   for (i = 0; i < NUM_MUSIC_PREFIXES; i++)
5642     music_id_prefix[i] = music_prefix_info[i].prefix;
5643   for (i = 0; i < NUM_GLOBAL_ANIM_TOKENS; i++)
5644     music_id_prefix[NUM_MUSIC_PREFIXES + i] =
5645       global_anim_info[i].token_name;
5646   music_id_prefix[NUM_MUSIC_PREFIXES + NUM_GLOBAL_ANIM_TOKENS] = NULL;
5647
5648   for (i = 0; i < NUM_ACTIONS; i++)
5649     action_id_suffix[i] = element_action_info[i].suffix;
5650   action_id_suffix[NUM_ACTIONS] = NULL;
5651
5652   for (i = 0; i < NUM_DIRECTIONS_FULL; i++)
5653     direction_id_suffix[i] = element_direction_info[i].suffix;
5654   direction_id_suffix[NUM_DIRECTIONS_FULL] = NULL;
5655
5656   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
5657     special_id_suffix[i] = special_suffix_info[i].suffix;
5658   special_id_suffix[NUM_SPECIAL_GFX_ARGS] = NULL;
5659
5660   for (i = 0; i < MAX_LEVELS; i++)
5661     level_id_suffix[i] = get_level_id_suffix(i);
5662   level_id_suffix[MAX_LEVELS] = NULL;
5663
5664   InitImageList(image_config, NUM_IMAGE_FILES, image_config_suffix,
5665                 image_id_prefix, action_id_suffix, direction_id_suffix,
5666                 special_id_suffix, ignore_image_tokens);
5667   InitSoundList(sound_config, NUM_SOUND_FILES, sound_config_suffix,
5668                 sound_id_prefix, action_id_suffix, dummy,
5669                 special_id_suffix, ignore_sound_tokens);
5670   InitMusicList(music_config, NUM_MUSIC_FILES, music_config_suffix,
5671                 music_id_prefix, action_id_suffix, special_id_suffix,
5672                 level_id_suffix, ignore_music_tokens);
5673 }
5674
5675 static void InitMixer(void)
5676 {
5677   OpenAudio();
5678
5679   StartMixer();
5680 }
5681
5682 static void InitVideoOverlay(void)
5683 {
5684   // if virtual buttons are not loaded from setup file, repeat initializing
5685   // virtual buttons grid with default values now that video is initialized
5686   if (!setup.touch.grid_initialized)
5687     InitSetup();
5688
5689   InitTileCursorInfo();
5690   InitOverlayInfo();
5691 }
5692
5693 void InitGfxBuffers(void)
5694 {
5695   static int win_xsize_last = -1;
5696   static int win_ysize_last = -1;
5697
5698   // create additional image buffers for double-buffering and cross-fading
5699
5700   if (WIN_XSIZE != win_xsize_last || WIN_YSIZE != win_ysize_last)
5701   {
5702     // used to temporarily store the backbuffer -- only re-create if changed
5703     ReCreateBitmap(&bitmap_db_store_1, WIN_XSIZE, WIN_YSIZE);
5704     ReCreateBitmap(&bitmap_db_store_2, WIN_XSIZE, WIN_YSIZE);
5705
5706     win_xsize_last = WIN_XSIZE;
5707     win_ysize_last = WIN_YSIZE;
5708   }
5709
5710   ReCreateBitmap(&bitmap_db_field, FXSIZE, FYSIZE);
5711   ReCreateBitmap(&bitmap_db_door_1, 3 * DXSIZE, DYSIZE);
5712   ReCreateBitmap(&bitmap_db_door_2, 3 * VXSIZE, VYSIZE);
5713
5714   // initialize screen properties
5715   InitGfxFieldInfo(SX, SY, SXSIZE, SYSIZE,
5716                    REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE,
5717                    bitmap_db_field);
5718   InitGfxDoor1Info(DX, DY, DXSIZE, DYSIZE);
5719   InitGfxDoor2Info(VX, VY, VXSIZE, VYSIZE);
5720   InitGfxDoor3Info(EX, EY, EXSIZE, EYSIZE);
5721   InitGfxWindowInfo(WIN_XSIZE, WIN_YSIZE);
5722   InitGfxScrollbufferInfo(FXSIZE, FYSIZE);
5723   InitGfxClipRegion(FALSE, -1, -1, -1, -1);
5724
5725   // required if door size definitions have changed
5726   InitGraphicCompatibilityInfo_Doors();
5727
5728   InitGfxBuffers_EM();
5729   InitGfxBuffers_SP();
5730   InitGfxBuffers_MM();
5731 }
5732
5733 static void InitGfx(void)
5734 {
5735   struct GraphicInfo *graphic_info_last = graphic_info;
5736   char *filename_font_initial = NULL;
5737   char *filename_image_initial[NUM_INITIAL_IMAGES] = { NULL };
5738   char *image_token[NUM_INITIAL_IMAGES] =
5739   {
5740     CONFIG_TOKEN_GLOBAL_BUSY_INITIAL,
5741     CONFIG_TOKEN_GLOBAL_BUSY,
5742     CONFIG_TOKEN_GLOBAL_BUSY_PLAYFIELD,
5743     CONFIG_TOKEN_BACKGROUND,
5744     CONFIG_TOKEN_BACKGROUND_LOADING_INITIAL,
5745     CONFIG_TOKEN_BACKGROUND_LOADING
5746   };
5747   struct MenuPosInfo *init_busy[NUM_INITIAL_IMAGES_BUSY] =
5748   {
5749     &init.busy_initial,
5750     &init.busy,
5751     &init.busy_playfield
5752   };
5753   Bitmap *bitmap_font_initial = NULL;
5754   int parameter[NUM_INITIAL_IMAGES][NUM_GFX_ARGS];
5755   int i, j, k;
5756
5757   // determine settings for initial font (for displaying startup messages)
5758   for (i = 0; image_config[i].token != NULL; i++)
5759   {
5760     for (j = 0; j < NUM_INITIAL_FONTS; j++)
5761     {
5762       char font_token[128];
5763       int len_font_token;
5764
5765       sprintf(font_token, "%s_%d", CONFIG_TOKEN_FONT_INITIAL, j + 1);
5766       len_font_token = strlen(font_token);
5767
5768       if (strEqual(image_config[i].token, font_token))
5769       {
5770         filename_font_initial = image_config[i].value;
5771       }
5772       else if (strlen(image_config[i].token) > len_font_token &&
5773                strncmp(image_config[i].token, font_token, len_font_token) == 0)
5774       {
5775         if (strEqual(&image_config[i].token[len_font_token], ".x"))
5776           font_initial[j].src_x = atoi(image_config[i].value);
5777         else if (strEqual(&image_config[i].token[len_font_token], ".y"))
5778           font_initial[j].src_y = atoi(image_config[i].value);
5779         else if (strEqual(&image_config[i].token[len_font_token], ".width"))
5780           font_initial[j].width = atoi(image_config[i].value);
5781         else if (strEqual(&image_config[i].token[len_font_token], ".height"))
5782           font_initial[j].height = atoi(image_config[i].value);
5783       }
5784     }
5785   }
5786
5787   for (j = 0; j < NUM_INITIAL_FONTS; j++)
5788   {
5789     font_initial[j].num_chars = DEFAULT_NUM_CHARS_PER_FONT;
5790     font_initial[j].num_chars_per_line = DEFAULT_NUM_CHARS_PER_LINE;
5791   }
5792
5793   if (filename_font_initial == NULL)    // should not happen
5794     Fail("cannot get filename for '%s'", CONFIG_TOKEN_FONT_INITIAL);
5795
5796   InitGfxBuffers();
5797   InitGfxCustomArtworkInfo();
5798   InitGfxOtherSettings();
5799
5800   InitGfxTileSizeInfo(TILESIZE, TILESIZE);
5801
5802   bitmap_font_initial = LoadCustomImage(filename_font_initial);
5803
5804   for (j = 0; j < NUM_INITIAL_FONTS; j++)
5805     font_initial[j].bitmap = bitmap_font_initial;
5806
5807   InitFontGraphicInfo();
5808
5809   InitMenuDesignSettings_Static();
5810
5811   // initialize settings for initial images with default values
5812   for (i = 0; i < NUM_INITIAL_IMAGES; i++)
5813     for (j = 0; j < NUM_GFX_ARGS; j++)
5814       parameter[i][j] =
5815         get_graphic_parameter_value(image_config_suffix[j].value,
5816                                     image_config_suffix[j].token,
5817                                     image_config_suffix[j].type);
5818
5819   // read settings for initial images from default custom artwork config
5820   char *gfx_config_filename = getPath3(options.graphics_directory,
5821                                        GFX_DEFAULT_SUBDIR,
5822                                        GRAPHICSINFO_FILENAME);
5823
5824   if (fileExists(gfx_config_filename))
5825   {
5826     SetupFileHash *setup_file_hash = loadSetupFileHash(gfx_config_filename);
5827
5828     if (setup_file_hash)
5829     {
5830       for (i = 0; i < NUM_INITIAL_IMAGES; i++)
5831       {
5832         char *filename = getHashEntry(setup_file_hash, image_token[i]);
5833
5834         if (filename)
5835         {
5836           filename_image_initial[i] = getStringCopy(filename);
5837
5838           for (j = 0; image_config_suffix[j].token != NULL; j++)
5839           {
5840             int type = image_config_suffix[j].type;
5841             char *suffix = image_config_suffix[j].token;
5842             char *token = getStringCat2(image_token[i], suffix);
5843             char *value = getHashEntry(setup_file_hash, token);
5844
5845             checked_free(token);
5846
5847             if (value)
5848               parameter[i][j] =
5849                 get_graphic_parameter_value(value, suffix, type);
5850           }
5851         }
5852       }
5853
5854       // read values from custom graphics config file
5855       InitMenuDesignSettings_FromHash(setup_file_hash, FALSE);
5856
5857       freeSetupFileHash(setup_file_hash);
5858     }
5859   }
5860
5861   for (i = 0; i < NUM_INITIAL_IMAGES; i++)
5862   {
5863     if (filename_image_initial[i] == NULL)
5864     {
5865       int len_token = strlen(image_token[i]);
5866
5867       // read settings for initial images from static default artwork config
5868       for (j = 0; image_config[j].token != NULL; j++)
5869       {
5870         if (strEqual(image_config[j].token, image_token[i]))
5871         {
5872           filename_image_initial[i] = getStringCopy(image_config[j].value);
5873         }
5874         else if (strlen(image_config[j].token) > len_token &&
5875                  strncmp(image_config[j].token, image_token[i], len_token) == 0)
5876         {
5877           for (k = 0; image_config_suffix[k].token != NULL; k++)
5878           {
5879             if (strEqual(&image_config[j].token[len_token],
5880                          image_config_suffix[k].token))
5881               parameter[i][k] =
5882                 get_graphic_parameter_value(image_config[j].value,
5883                                             image_config_suffix[k].token,
5884                                             image_config_suffix[k].type);
5885           }
5886         }
5887       }
5888     }
5889   }
5890
5891   for (i = 0; i < NUM_INITIAL_IMAGES; i++)
5892   {
5893     if (filename_image_initial[i] == NULL)      // should not happen
5894       Fail("cannot get filename for '%s'", image_token[i]);
5895
5896     image_initial[i].bitmaps =
5897       checked_calloc(sizeof(Bitmap *) * NUM_IMG_BITMAP_POINTERS);
5898
5899     if (!strEqual(filename_image_initial[i], UNDEFINED_FILENAME))
5900       image_initial[i].bitmaps[IMG_BITMAP_STANDARD] =
5901         LoadCustomImage(filename_image_initial[i]);
5902
5903     checked_free(filename_image_initial[i]);
5904   }
5905
5906   for (i = 0; i < NUM_INITIAL_IMAGES; i++)
5907     image_initial[i].use_image_size = TRUE;
5908
5909   graphic_info = image_initial;         // graphic == 0 => image_initial
5910
5911   for (i = 0; i < NUM_INITIAL_IMAGES; i++)
5912     set_graphic_parameters_ext(i, parameter[i], image_initial[i].bitmaps);
5913
5914   graphic_info = graphic_info_last;
5915
5916   for (i = 0; i < NUM_INITIAL_IMAGES_BUSY; i++)
5917   {
5918     // set image size for busy animations
5919     init_busy[i]->width  = image_initial[i].width;
5920     init_busy[i]->height = image_initial[i].height;
5921   }
5922
5923   SetLoadingBackgroundImage();
5924
5925   ClearRectangleOnBackground(window, 0, 0, WIN_XSIZE, WIN_YSIZE);
5926
5927   DrawProgramInfo();
5928
5929   InitGfxDrawBusyAnimFunction(DrawInitAnim);
5930   InitGfxDrawGlobalAnimFunction(DrawGlobalAnimations);
5931   InitGfxDrawGlobalBorderFunction(DrawMaskedBorderToTarget);
5932   InitGfxDrawTileCursorFunction(DrawTileCursor);
5933   InitGfxDrawEnvelopeRequestFunction(DrawEnvelopeRequestToScreen);
5934
5935   gfx.fade_border_source_status = global.border_status;
5936   gfx.fade_border_target_status = global.border_status;
5937   gfx.masked_border_bitmap_ptr = backbuffer;
5938
5939   // use copy of busy animation to prevent change while reloading artwork
5940   init_last = init;
5941 }
5942
5943 static void InitGfxBackground(void)
5944 {
5945   fieldbuffer = bitmap_db_field;
5946   SetDrawtoField(DRAW_TO_BACKBUFFER);
5947
5948   ClearRectangle(backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE);
5949
5950   redraw_mask = REDRAW_ALL;
5951 }
5952
5953 static void InitSnd(void)
5954 {
5955   InitSoundSettings_Static();
5956
5957   // read settings for initial sounds from default custom artwork config
5958   char *snd_config_filename = getPath3(options.sounds_directory,
5959                                        SND_DEFAULT_SUBDIR,
5960                                        SOUNDSINFO_FILENAME);
5961
5962   if (fileExists(snd_config_filename))
5963   {
5964     SetupFileHash *setup_file_hash = loadSetupFileHash(snd_config_filename);
5965
5966     if (setup_file_hash)
5967     {
5968       // read values from custom sounds config file
5969       InitSoundSettings_FromHash(setup_file_hash, FALSE);
5970
5971       freeSetupFileHash(setup_file_hash);
5972     }
5973   }
5974 }
5975
5976 static void InitLevelInfo(void)
5977 {
5978   LoadLevelInfo();                              // global level info
5979   LoadLevelSetup_LastSeries();                  // last played series info
5980   LoadLevelSetup_SeriesInfo();                  // last played level info
5981
5982   if (global.autoplay_leveldir &&
5983       global.autoplay_mode != AUTOPLAY_MODE_TEST)
5984   {
5985     leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
5986                                                  global.autoplay_leveldir);
5987     if (leveldir_current == NULL)
5988       leveldir_current = getFirstValidTreeInfoEntry(leveldir_first);
5989   }
5990
5991   SetLevelSetInfo(leveldir_current->identifier, level_nr);
5992 }
5993
5994 static void InitLevelArtworkInfo(void)
5995 {
5996   LoadLevelArtworkInfo();
5997 }
5998
5999 static void InitImages(void)
6000 {
6001   print_timestamp_init("InitImages");
6002
6003 #if 0
6004   Debug("init:InitImages", "leveldir_current->identifier == '%s'",
6005         leveldir_current == NULL ? "[NULL]" : leveldir_current->identifier);
6006   Debug("init:InitImages", "leveldir_current->graphics_path == '%s'",
6007         leveldir_current == NULL ? "[NULL]" : leveldir_current->graphics_path);
6008   Debug("init:InitImages", "leveldir_current->graphics_set == '%s'",
6009         leveldir_current == NULL ? "[NULL]" : leveldir_current->graphics_set);
6010   Debug("init:InitImages", "getLevelArtworkSet(ARTWORK_TYPE_GRAPHICS) == '%s'",
6011         leveldir_current == NULL ? "[NULL]" : LEVELDIR_ARTWORK_SET(leveldir_current, ARTWORK_TYPE_GRAPHICS));
6012 #endif
6013
6014   setLevelArtworkDir(artwork.gfx_first);
6015
6016 #if 0
6017   Debug("init:InitImages", "leveldir_current->identifier == '%s'",
6018         leveldir_current == NULL ? "[NULL]" : leveldir_current->identifier);
6019   Debug("init:InitImages", "leveldir_current->graphics_path == '%s'",
6020         leveldir_current == NULL ? "[NULL]" : leveldir_current->graphics_path);
6021   Debug("init:InitImages", "leveldir_current->graphics_set == '%s'",
6022          leveldir_current == NULL ? "[NULL]" : leveldir_current->graphics_set);
6023   Debug("init:InitImages", "getLevelArtworkSet(ARTWORK_TYPE_GRAPHICS) == '%s'",
6024         leveldir_current == NULL ? "[NULL]" : LEVELDIR_ARTWORK_SET(leveldir_current, ARTWORK_TYPE_GRAPHICS));
6025 #endif
6026
6027 #if 0
6028   Debug("init:InitImages", "InitImages for '%s' ['%s', '%s'] ['%s', '%s']",
6029         leveldir_current->identifier,
6030         artwork.gfx_current_identifier,
6031         artwork.gfx_current->identifier,
6032         leveldir_current->graphics_set,
6033         leveldir_current->graphics_path);
6034 #endif
6035
6036   UPDATE_BUSY_STATE();
6037
6038   ReloadCustomImages();
6039   print_timestamp_time("ReloadCustomImages");
6040
6041   UPDATE_BUSY_STATE();
6042
6043   LoadCustomElementDescriptions();
6044   print_timestamp_time("LoadCustomElementDescriptions");
6045
6046   UPDATE_BUSY_STATE();
6047
6048   LoadMenuDesignSettings();
6049   print_timestamp_time("LoadMenuDesignSettings");
6050
6051   UPDATE_BUSY_STATE();
6052
6053   ReinitializeGraphics();
6054   print_timestamp_time("ReinitializeGraphics");
6055
6056   LoadMenuDesignSettings_AfterGraphics();
6057   print_timestamp_time("LoadMenuDesignSettings_AfterGraphics");
6058
6059   UPDATE_BUSY_STATE();
6060
6061   print_timestamp_done("InitImages");
6062 }
6063
6064 static void InitSound(void)
6065 {
6066   print_timestamp_init("InitSound");
6067
6068   // set artwork path to send it to the sound server process
6069   setLevelArtworkDir(artwork.snd_first);
6070
6071   InitReloadCustomSounds();
6072   print_timestamp_time("InitReloadCustomSounds");
6073
6074   LoadSoundSettings();
6075   print_timestamp_time("LoadSoundSettings");
6076
6077   ReinitializeSounds();
6078   print_timestamp_time("ReinitializeSounds");
6079
6080   print_timestamp_done("InitSound");
6081 }
6082
6083 static void InitMusic(void)
6084 {
6085   print_timestamp_init("InitMusic");
6086
6087   // set artwork path to send it to the sound server process
6088   setLevelArtworkDir(artwork.mus_first);
6089
6090   InitReloadCustomMusic();
6091   print_timestamp_time("InitReloadCustomMusic");
6092
6093   ReinitializeMusic();
6094   print_timestamp_time("ReinitializeMusic");
6095
6096   print_timestamp_done("InitMusic");
6097 }
6098
6099 static void InitArtworkDone(void)
6100 {
6101   if (program.headless)
6102     return;
6103
6104   InitGlobalAnimations();
6105 }
6106
6107 static void InitNetworkSettings(void)
6108 {
6109   boolean network_enabled = (options.network || setup.network_mode);
6110   char *network_server = (options.server_host != NULL ? options.server_host :
6111                           setup.network_server_hostname);
6112
6113   if (strEqual(network_server, STR_NETWORK_AUTO_DETECT))
6114     network_server = NULL;
6115
6116   InitNetworkInfo(network_enabled,
6117                   FALSE,
6118                   options.serveronly,
6119                   network_server,
6120                   options.server_port);
6121 }
6122
6123 void InitNetworkServer(void)
6124 {
6125   if (!network.enabled || network.connected)
6126     return;
6127
6128   LimitScreenUpdates(FALSE);
6129
6130   if (game_status == GAME_MODE_LOADING)
6131     DrawProgramInfo();
6132
6133   if (!ConnectToServer(network.server_host, network.server_port))
6134   {
6135     network.enabled = FALSE;
6136
6137     setup.network_mode = FALSE;
6138   }
6139   else
6140   {
6141     SendToServer_ProtocolVersion();
6142     SendToServer_PlayerName(setup.player_name);
6143     SendToServer_NrWanted(setup.network_player_nr + 1);
6144
6145     network.connected = TRUE;
6146   }
6147
6148   // short time to recognize result of network initialization
6149   if (game_status == GAME_MODE_LOADING)
6150     Delay_WithScreenUpdates(1000);
6151 }
6152
6153 static boolean CheckArtworkConfigForCustomElements(char *filename)
6154 {
6155   SetupFileHash *setup_file_hash;
6156   boolean redefined_ce_found = FALSE;
6157
6158   // !!! CACHE THIS BY USING HASH 'filename' => 'true/false' !!!
6159
6160   if ((setup_file_hash = loadSetupFileHash(filename)) != NULL)
6161   {
6162     BEGIN_HASH_ITERATION(setup_file_hash, itr)
6163     {
6164       char *token = HASH_ITERATION_TOKEN(itr);
6165
6166       if (strPrefix(token, "custom_"))
6167       {
6168         redefined_ce_found = TRUE;
6169
6170         break;
6171       }
6172     }
6173     END_HASH_ITERATION(setup_file_hash, itr)
6174
6175     freeSetupFileHash(setup_file_hash);
6176   }
6177
6178   return redefined_ce_found;
6179 }
6180
6181 static boolean CheckArtworkTypeForRedefinedCustomElements(int type)
6182 {
6183   char *filename_base, *filename_local;
6184   boolean redefined_ce_found = FALSE;
6185
6186   setLevelArtworkDir(ARTWORK_FIRST_NODE(artwork, type));
6187
6188 #if 0
6189   Debug("init:CheckArtworkTypeForRedefinedCustomElements",
6190         "leveldir_current->identifier == '%s'",
6191         leveldir_current == NULL ? "[NULL]" : leveldir_current->identifier);
6192   Debug("init:CheckArtworkTypeForRedefinedCustomElements",
6193         "leveldir_current->graphics_path == '%s'",
6194         leveldir_current == NULL ? "[NULL]" : leveldir_current->graphics_path);
6195   Debug("init:CheckArtworkTypeForRedefinedCustomElements",
6196         "leveldir_current->graphics_set == '%s'",
6197         leveldir_current == NULL ? "[NULL]" : leveldir_current->graphics_set);
6198   Debug("init:CheckArtworkTypeForRedefinedCustomElements",
6199         "getLevelArtworkSet(ARTWORK_TYPE_GRAPHICS) == '%s'",
6200         leveldir_current == NULL ? "[NULL]" :
6201         LEVELDIR_ARTWORK_SET(leveldir_current, type));
6202 #endif
6203
6204   // first look for special artwork configured in level series config
6205   filename_base = getCustomArtworkLevelConfigFilename(type);
6206
6207 #if 0
6208   Debug("init:CheckArtworkTypeForRedefinedCustomElements",
6209         "filename_base == '%s'", filename_base);
6210 #endif
6211
6212   if (fileExists(filename_base))
6213     redefined_ce_found |= CheckArtworkConfigForCustomElements(filename_base);
6214
6215   filename_local = getCustomArtworkConfigFilename(type);
6216
6217 #if 0
6218   Debug("init:CheckArtworkTypeForRedefinedCustomElements",
6219         "filename_local == '%s'", filename_local);
6220 #endif
6221
6222   if (filename_local != NULL && !strEqual(filename_base, filename_local))
6223     redefined_ce_found |= CheckArtworkConfigForCustomElements(filename_local);
6224
6225 #if 0
6226   Debug("init:CheckArtworkTypeForRedefinedCustomElements",
6227         "redefined_ce_found == %d", redefined_ce_found);
6228 #endif
6229
6230   return redefined_ce_found;
6231 }
6232
6233 static void InitOverrideArtwork(void)
6234 {
6235   boolean redefined_ce_found = FALSE;
6236
6237   // to check if this level set redefines any CEs, do not use overriding
6238   gfx.override_level_graphics = FALSE;
6239   gfx.override_level_sounds   = FALSE;
6240   gfx.override_level_music    = FALSE;
6241
6242   // now check if this level set has definitions for custom elements
6243   if (setup.override_level_graphics == AUTO ||
6244       setup.override_level_sounds   == AUTO ||
6245       setup.override_level_music    == AUTO)
6246     redefined_ce_found =
6247       (CheckArtworkTypeForRedefinedCustomElements(ARTWORK_TYPE_GRAPHICS) |
6248        CheckArtworkTypeForRedefinedCustomElements(ARTWORK_TYPE_SOUNDS) |
6249        CheckArtworkTypeForRedefinedCustomElements(ARTWORK_TYPE_MUSIC));
6250
6251 #if 0
6252   Debug("init:InitOverrideArtwork", "redefined_ce_found == %d",
6253         redefined_ce_found);
6254 #endif
6255
6256   if (redefined_ce_found)
6257   {
6258     // this level set has CE definitions: change "AUTO" to "FALSE"
6259     gfx.override_level_graphics = (setup.override_level_graphics == TRUE);
6260     gfx.override_level_sounds   = (setup.override_level_sounds   == TRUE);
6261     gfx.override_level_music    = (setup.override_level_music    == TRUE);
6262   }
6263   else
6264   {
6265     // this level set has no CE definitions: change "AUTO" to "TRUE"
6266     gfx.override_level_graphics = (setup.override_level_graphics != FALSE);
6267     gfx.override_level_sounds   = (setup.override_level_sounds   != FALSE);
6268     gfx.override_level_music    = (setup.override_level_music    != FALSE);
6269   }
6270
6271 #if 0
6272   Debug("init:InitOverrideArtwork", "%d, %d, %d",
6273         gfx.override_level_graphics,
6274         gfx.override_level_sounds,
6275         gfx.override_level_music);
6276 #endif
6277 }
6278
6279 static char *setNewArtworkIdentifier(int type)
6280 {
6281   static char *last_leveldir_identifier[3] = { NULL, NULL, NULL };
6282   static char *last_artwork_identifier[3] = { NULL, NULL, NULL };
6283   static boolean last_override_level_artwork[3] = { FALSE, FALSE, FALSE };
6284   static boolean last_has_custom_artwork_set[3] = { FALSE, FALSE, FALSE };
6285   static boolean initialized[3] = { FALSE, FALSE, FALSE };
6286   TreeInfo *artwork_first_node = ARTWORK_FIRST_NODE(artwork, type);
6287   boolean setup_override_artwork = GFX_OVERRIDE_ARTWORK(type);
6288   char *setup_artwork_set = SETUP_ARTWORK_SET(setup, type);
6289   char *leveldir_identifier = leveldir_current->identifier;
6290   // !!! setLevelArtworkDir() should be moved to an earlier stage !!!
6291   char *leveldir_artwork_set = setLevelArtworkDir(artwork_first_node);
6292   boolean has_level_artwork_set = (leveldir_artwork_set != NULL);
6293   TreeInfo *custom_artwork_set =
6294     getTreeInfoFromIdentifier(artwork_first_node, leveldir_identifier);
6295   boolean has_custom_artwork_set = (custom_artwork_set != NULL);
6296   char *artwork_current_identifier;
6297   char *artwork_new_identifier = NULL;  // default: nothing has changed
6298
6299   // leveldir_current may be invalid (level group, parent link)
6300   if (!validLevelSeries(leveldir_current))
6301     return NULL;
6302
6303   /* 1st step: determine artwork set to be activated in descending order:
6304      --------------------------------------------------------------------
6305      1. setup artwork (when configured to override everything else)
6306      2. artwork set configured in "levelinfo.conf" of current level set
6307         (artwork in level directory will have priority when loading later)
6308      3. artwork in level directory (stored in artwork sub-directory)
6309      4. setup artwork (currently configured in setup menu) */
6310
6311   if (setup_override_artwork)
6312     artwork_current_identifier = setup_artwork_set;
6313   else if (has_level_artwork_set)
6314     artwork_current_identifier = leveldir_artwork_set;
6315   else if (has_custom_artwork_set)
6316     artwork_current_identifier = leveldir_identifier;
6317   else
6318     artwork_current_identifier = setup_artwork_set;
6319
6320   /* 2nd step: check if it is really needed to reload artwork set
6321      ------------------------------------------------------------ */
6322
6323   // ---------- reload if level set and also artwork set has changed ----------
6324   if (last_leveldir_identifier[type] != leveldir_identifier &&
6325       (last_has_custom_artwork_set[type] || has_custom_artwork_set))
6326     artwork_new_identifier = artwork_current_identifier;
6327
6328   last_leveldir_identifier[type] = leveldir_identifier;
6329   last_has_custom_artwork_set[type] = has_custom_artwork_set;
6330
6331   // ---------- reload if "override artwork" setting has changed --------------
6332   if (last_override_level_artwork[type] != setup_override_artwork)
6333     artwork_new_identifier = artwork_current_identifier;
6334
6335   last_override_level_artwork[type] = setup_override_artwork;
6336
6337   // ---------- reload if current artwork identifier has changed --------------
6338   if (!strEqual(last_artwork_identifier[type], artwork_current_identifier))
6339     artwork_new_identifier = artwork_current_identifier;
6340
6341   // (we cannot compare string pointers here, so copy string content itself)
6342   setString(&last_artwork_identifier[type], artwork_current_identifier);
6343
6344   // ---------- set new artwork identifier ----------
6345   *(ARTWORK_CURRENT_IDENTIFIER_PTR(artwork, type)) = artwork_current_identifier;
6346
6347   // ---------- do not reload directly after starting -------------------------
6348   if (!initialized[type])
6349     artwork_new_identifier = NULL;
6350
6351   initialized[type] = TRUE;
6352
6353   return artwork_new_identifier;
6354 }
6355
6356 static void InitArtworkIdentifier(void)
6357 {
6358   setNewArtworkIdentifier(ARTWORK_TYPE_GRAPHICS);
6359   setNewArtworkIdentifier(ARTWORK_TYPE_SOUNDS);
6360   setNewArtworkIdentifier(ARTWORK_TYPE_MUSIC);
6361 }
6362
6363 void ReloadCustomArtwork(int force_reload)
6364 {
6365   int last_game_status = game_status;   // save current game status
6366   char *gfx_new_identifier;
6367   char *snd_new_identifier;
6368   char *mus_new_identifier;
6369   boolean force_reload_gfx = (force_reload & (1 << ARTWORK_TYPE_GRAPHICS));
6370   boolean force_reload_snd = (force_reload & (1 << ARTWORK_TYPE_SOUNDS));
6371   boolean force_reload_mus = (force_reload & (1 << ARTWORK_TYPE_MUSIC));
6372   boolean reload_needed;
6373
6374   InitOverrideArtwork();
6375
6376   AdjustGraphicsForEMC();
6377   AdjustSoundsForEMC();
6378
6379   gfx_new_identifier = setNewArtworkIdentifier(ARTWORK_TYPE_GRAPHICS);
6380   snd_new_identifier = setNewArtworkIdentifier(ARTWORK_TYPE_SOUNDS);
6381   mus_new_identifier = setNewArtworkIdentifier(ARTWORK_TYPE_MUSIC);
6382
6383   reload_needed = (gfx_new_identifier != NULL || force_reload_gfx ||
6384                    snd_new_identifier != NULL || force_reload_snd ||
6385                    mus_new_identifier != NULL || force_reload_mus);
6386
6387   if (!reload_needed)
6388     return;
6389
6390   print_timestamp_init("ReloadCustomArtwork");
6391
6392   SetGameStatus(GAME_MODE_LOADING);
6393
6394   FadeOut(REDRAW_ALL);
6395
6396   SetLoadingBackgroundImage();
6397
6398   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
6399   print_timestamp_time("ClearRectangleOnBackground");
6400
6401   FadeIn(REDRAW_ALL);
6402
6403   UPDATE_BUSY_STATE();
6404
6405   InitMissingFileHash();
6406
6407   if (gfx_new_identifier != NULL || force_reload_gfx)
6408   {
6409 #if 0
6410     Debug("init:ReloadCustomArtwork",
6411           "RELOADING GRAPHICS '%s' -> '%s' ['%s', '%s']",
6412           artwork.gfx_current_identifier,
6413           gfx_new_identifier,
6414           artwork.gfx_current->identifier,
6415           leveldir_current->graphics_set);
6416 #endif
6417
6418     InitImages();
6419     print_timestamp_time("InitImages");
6420   }
6421
6422   if (snd_new_identifier != NULL || force_reload_snd)
6423   {
6424     InitSound();
6425     print_timestamp_time("InitSound");
6426   }
6427
6428   if (mus_new_identifier != NULL || force_reload_mus)
6429   {
6430     InitMusic();
6431     print_timestamp_time("InitMusic");
6432   }
6433
6434   InitArtworkDone();
6435
6436   SetGameStatus(last_game_status);      // restore current game status
6437
6438   FadeOut(REDRAW_ALL);
6439
6440   RedrawGlobalBorder();
6441
6442   // force redraw of (open or closed) door graphics
6443   SetDoorState(DOOR_OPEN_ALL);
6444   CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
6445
6446   FadeSetEnterScreen();
6447   FadeSkipNextFadeOut();
6448
6449   print_timestamp_done("ReloadCustomArtwork");
6450
6451   LimitScreenUpdates(FALSE);
6452 }
6453
6454 void KeyboardAutoRepeatOffUnlessAutoplay(void)
6455 {
6456   if (global.autoplay_leveldir == NULL)
6457     KeyboardAutoRepeatOff();
6458 }
6459
6460 void DisplayExitMessage(char *format, va_list ap)
6461 {
6462   // also check for initialized video (headless flag may be temporarily unset)
6463   if (program.headless || !video.initialized)
6464     return;
6465
6466   // check if draw buffer and fonts for exit message are already available
6467   if (drawto == NULL || font_initial[NUM_INITIAL_FONTS - 1].bitmap == NULL)
6468     return;
6469
6470   int font_1 = FC_RED;
6471   int font_2 = FC_YELLOW;
6472   int font_3 = FC_BLUE;
6473   int font_width = getFontWidth(font_2);
6474   int font_height = getFontHeight(font_2);
6475   int sx = SX;
6476   int sy = SY;
6477   int sxsize = WIN_XSIZE - 2 * sx;
6478   int sysize = WIN_YSIZE - 2 * sy;
6479   int line_length = sxsize / font_width;
6480   int max_lines = sysize / font_height;
6481   int num_lines_printed;
6482
6483   gfx.sx = sx;
6484   gfx.sy = sy;
6485   gfx.sxsize = sxsize;
6486   gfx.sysize = sysize;
6487
6488   sy = 20;
6489
6490   ClearRectangle(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
6491
6492   DrawTextSCentered(sy, font_1, "Fatal error:");
6493   sy += 3 * font_height;;
6494
6495   num_lines_printed =
6496     DrawTextBufferVA(sx, sy, format, ap, font_2,
6497                      line_length, line_length, max_lines,
6498                      0, BLIT_ON_BACKGROUND, TRUE, TRUE, FALSE);
6499   sy += (num_lines_printed + 3) * font_height;
6500
6501   DrawTextSCentered(sy, font_1, "For details, see the following error file:");
6502   sy += 3 * font_height;
6503
6504   num_lines_printed =
6505     DrawTextBuffer(sx, sy, program.log_filename, font_2,
6506                    line_length, line_length, max_lines,
6507                    0, BLIT_ON_BACKGROUND, TRUE, TRUE, FALSE);
6508
6509   DrawTextSCentered(SYSIZE - 20, font_3, "Press any key or button to exit");
6510
6511   redraw_mask = REDRAW_ALL;
6512
6513   // force drawing exit message even if screen updates are currently limited
6514   LimitScreenUpdates(FALSE);
6515
6516   BackToFront();
6517
6518   // deactivate toons and global animations on error message screen
6519   setup.global_animations = FALSE;
6520
6521   WaitForEventToContinue();
6522 }
6523
6524
6525 // ============================================================================
6526 // OpenAll()
6527 // ============================================================================
6528
6529 void OpenAll(void)
6530 {
6531   print_timestamp_init("OpenAll");
6532
6533   SetGameStatus(GAME_MODE_LOADING);
6534
6535   InitCounter();
6536
6537   InitGlobal();                 // initialize some global variables
6538
6539   InitRND(NEW_RANDOMIZE);
6540   InitSimpleRandom(NEW_RANDOMIZE);
6541   InitBetterRandom(NEW_RANDOMIZE);
6542
6543   InitMissingFileHash();
6544
6545   print_timestamp_time("[init global stuff]");
6546
6547   InitSetup();
6548
6549   print_timestamp_time("[init setup/config stuff (1)]");
6550
6551   if (options.execute_command)
6552     Execute_Command(options.execute_command);
6553
6554   InitNetworkSettings();
6555
6556   InitRuntimeInfo();
6557
6558   if (network.serveronly)
6559   {
6560 #if defined(PLATFORM_UNIX)
6561     NetworkServer(network.server_port, TRUE);
6562 #else
6563     Warn("networking only supported in Unix version");
6564 #endif
6565
6566     exit(0);                    // never reached, server loops forever
6567   }
6568
6569   InitGameInfo();
6570   print_timestamp_time("[init setup/config stuff (2)]");
6571   InitPlayerInfo();
6572   print_timestamp_time("[init setup/config stuff (3)]");
6573   InitArtworkInfo();            // needed before loading gfx, sound & music
6574   print_timestamp_time("[init setup/config stuff (4)]");
6575   InitArtworkConfig();          // needed before forking sound child process
6576   print_timestamp_time("[init setup/config stuff (5)]");
6577   InitMixer();
6578   print_timestamp_time("[init setup/config stuff (6)]");
6579
6580   InitJoysticks();
6581
6582   print_timestamp_time("[init setup/config stuff]");
6583
6584   InitVideoDefaults();
6585   InitVideoDisplay();
6586   InitVideoBuffer(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH, setup.fullscreen);
6587   InitVideoOverlay();
6588
6589   InitEventFilter(FilterMouseMotionEvents);
6590
6591   print_timestamp_time("[init video stuff]");
6592
6593   InitElementPropertiesStatic();
6594   InitElementPropertiesEngine(GAME_VERSION_ACTUAL);
6595   InitElementPropertiesGfxElement();
6596
6597   print_timestamp_time("[init element properties stuff]");
6598
6599   InitGfx();
6600   InitSnd();
6601
6602   print_timestamp_time("InitGfx");
6603
6604   InitLevelInfo();
6605   print_timestamp_time("InitLevelInfo");
6606
6607   InitLevelArtworkInfo();
6608   print_timestamp_time("InitLevelArtworkInfo");
6609
6610   InitOverrideArtwork();        // needs to know current level directory
6611   print_timestamp_time("InitOverrideArtwork");
6612
6613   InitArtworkIdentifier();      // needs to know current level directory
6614   print_timestamp_time("InitArtworkIdentifier");
6615
6616   InitImages();                 // needs to know current level directory
6617   print_timestamp_time("InitImages");
6618
6619   InitSound();                  // needs to know current level directory
6620   print_timestamp_time("InitSound");
6621
6622   InitMusic();                  // needs to know current level directory
6623   print_timestamp_time("InitMusic");
6624
6625   InitArtworkDone();
6626
6627   InitGfxBackground();
6628
6629   em_open_all();
6630   sp_open_all();
6631   mm_open_all();
6632
6633   if (global.autoplay_leveldir)
6634   {
6635     AutoPlayTapes();
6636     return;
6637   }
6638   else if (global.patchtapes_leveldir)
6639   {
6640     PatchTapes();
6641     return;
6642   }
6643   else if (global.convert_leveldir)
6644   {
6645     ConvertLevels();
6646     return;
6647   }
6648   else if (global.dumplevel_leveldir)
6649   {
6650     DumpLevels();
6651     return;
6652   }
6653   else if (global.dumptape_leveldir)
6654   {
6655     DumpTapes();
6656     return;
6657   }
6658   else if (global.create_sketch_images_dir)
6659   {
6660     CreateLevelSketchImages();
6661     return;
6662   }
6663   else if (global.create_collect_images_dir)
6664   {
6665     CreateCollectElementImages();
6666     return;
6667   }
6668
6669   InitNetworkServer();
6670
6671   SetGameStatus(GAME_MODE_MAIN);
6672
6673   FadeSetEnterScreen();
6674   if (!(fading.fade_mode & FADE_TYPE_TRANSFORM))
6675     FadeSkipNextFadeOut();
6676
6677   print_timestamp_time("[post-artwork]");
6678
6679   print_timestamp_done("OpenAll");
6680
6681   if (setup.ask_for_remaining_tapes)
6682     setup.ask_for_uploading_tapes = TRUE;
6683
6684   DrawMainMenu();
6685
6686 #if 0
6687   Debug("internal:path", "SDL_GetBasePath() == '%s'",
6688         SDL_GetBasePath());
6689   Debug("internal:path", "SDL_GetPrefPath() == '%s'",
6690         SDL_GetPrefPath("artsoft", "rocksndiamonds"));
6691 #if defined(PLATFORM_ANDROID)
6692   Debug("internal:path", "SDL_AndroidGetInternalStoragePath() == '%s'",
6693         SDL_AndroidGetInternalStoragePath());
6694   Debug("internal:path", "SDL_AndroidGetExternalStoragePath() == '%s'",
6695         SDL_AndroidGetExternalStoragePath());
6696   Debug("internal:path", "SDL_AndroidGetExternalStorageState() == '%s'",
6697         (SDL_AndroidGetExternalStorageState() &
6698          SDL_ANDROID_EXTERNAL_STORAGE_WRITE ? "writable" :
6699          SDL_AndroidGetExternalStorageState() &
6700          SDL_ANDROID_EXTERNAL_STORAGE_READ ? "readable" : "not available"));
6701 #endif
6702 #endif
6703 }
6704
6705 static boolean WaitForApiThreads(void)
6706 {
6707   DelayCounter thread_delay = { 10000 };
6708
6709   if (program.api_thread_count == 0)
6710     return TRUE;
6711
6712   // deactivate global animations (not accessible in game state "loading")
6713   setup.global_animations = FALSE;
6714
6715   // set game state to "loading" to be able to show busy animation
6716   SetGameStatus(GAME_MODE_LOADING);
6717
6718   ResetDelayCounter(&thread_delay);
6719
6720   // wait for threads to finish (and fail on timeout)
6721   while (program.api_thread_count > 0)
6722   {
6723     if (DelayReached(&thread_delay))
6724     {
6725       Error("failed waiting for threads - TIMEOUT");
6726
6727       return FALSE;
6728     }
6729
6730     UPDATE_BUSY_STATE();
6731
6732     Delay(20);
6733   }
6734
6735   return TRUE;
6736 }
6737
6738 void CloseAllAndExit(int exit_value)
6739 {
6740   WaitForApiThreads();
6741
6742   StopSounds();
6743   FreeAllSounds();
6744   FreeAllMusic();
6745   CloseAudio();         // called after freeing sounds (needed for SDL)
6746
6747   em_close_all();
6748   sp_close_all();
6749
6750   FreeAllImages();
6751
6752   // !!! TODO !!!
6753   // set a flag to tell the network server thread to quit and wait for it
6754   // using SDL_WaitThread()
6755   //
6756   // Code used with SDL 1.2:
6757   // if (network.server_thread) // terminate network server
6758   //   SDL_KillThread(network.server_thread);
6759
6760   CloseVideoDisplay();
6761   ClosePlatformDependentStuff();
6762
6763   if (exit_value != 0 && !options.execute_command)
6764   {
6765     // fall back to default level set (current set may have caused an error)
6766     SaveLevelSetup_LastSeries_Deactivate();
6767
6768     // tell user where to find error log file which may contain more details
6769     // (error notification now directly displayed on screen inside R'n'D
6770     // NotifyUserAboutErrorFile();      // currently only works for Windows
6771   }
6772
6773   exit(exit_value);
6774 }