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_BD();                 // graphic mapping for BD engine
2450   print_timestamp_time("InitGraphicInfo_BD");
2451   InitGraphicInfo_EM();                 // graphic mapping for EM engine
2452   print_timestamp_time("InitGraphicInfo_EM");
2453
2454   InitGraphicCompatibilityInfo();
2455   print_timestamp_time("InitGraphicCompatibilityInfo");
2456
2457   InitGadgets();
2458   print_timestamp_time("InitGadgets");
2459   InitDoors();
2460   print_timestamp_time("InitDoors");
2461
2462   InitGameInfoFromArtworkInfo();
2463
2464   print_timestamp_done("ReinitializeGraphics");
2465 }
2466
2467 static void ReinitializeSounds(void)
2468 {
2469   InitSoundInfo();              // sound properties mapping
2470   InitElementSoundInfo();       // element game sound mapping
2471   InitGameModeSoundInfo();      // game mode sound mapping
2472   InitGlobalAnimSoundInfo();    // global animation sound settings
2473
2474   InitPlayLevelSound();         // internal game sound settings
2475 }
2476
2477 static void ReinitializeMusic(void)
2478 {
2479   InitMusicInfo();              // music properties mapping
2480   InitGameModeMusicInfo();      // game mode music mapping
2481   InitGlobalAnimMusicInfo();    // global animation music settings
2482 }
2483
2484 static int get_special_property_bit(int element, int property_bit_nr)
2485 {
2486   struct PropertyBitInfo
2487   {
2488     int element;
2489     int bit_nr;
2490   };
2491
2492   static struct PropertyBitInfo pb_can_move_into_acid[] =
2493   {
2494     // the player may be able fall into acid when gravity is activated
2495     { EL_PLAYER_1,              0       },
2496     { EL_PLAYER_2,              0       },
2497     { EL_PLAYER_3,              0       },
2498     { EL_PLAYER_4,              0       },
2499     { EL_SP_MURPHY,             0       },
2500     { EL_SOKOBAN_FIELD_PLAYER,  0       },
2501
2502     // all elements that can move may be able to also move into acid
2503     { EL_BUG,                   1       },
2504     { EL_BUG_LEFT,              1       },
2505     { EL_BUG_RIGHT,             1       },
2506     { EL_BUG_UP,                1       },
2507     { EL_BUG_DOWN,              1       },
2508     { EL_SPACESHIP,             2       },
2509     { EL_SPACESHIP_LEFT,        2       },
2510     { EL_SPACESHIP_RIGHT,       2       },
2511     { EL_SPACESHIP_UP,          2       },
2512     { EL_SPACESHIP_DOWN,        2       },
2513     { EL_BD_BUTTERFLY,          3       },
2514     { EL_BD_BUTTERFLY_LEFT,     3       },
2515     { EL_BD_BUTTERFLY_RIGHT,    3       },
2516     { EL_BD_BUTTERFLY_UP,       3       },
2517     { EL_BD_BUTTERFLY_DOWN,     3       },
2518     { EL_BD_FIREFLY,            4       },
2519     { EL_BD_FIREFLY_LEFT,       4       },
2520     { EL_BD_FIREFLY_RIGHT,      4       },
2521     { EL_BD_FIREFLY_UP,         4       },
2522     { EL_BD_FIREFLY_DOWN,       4       },
2523     { EL_YAMYAM,                5       },
2524     { EL_YAMYAM_LEFT,           5       },
2525     { EL_YAMYAM_RIGHT,          5       },
2526     { EL_YAMYAM_UP,             5       },
2527     { EL_YAMYAM_DOWN,           5       },
2528     { EL_DARK_YAMYAM,           6       },
2529     { EL_ROBOT,                 7       },
2530     { EL_PACMAN,                8       },
2531     { EL_PACMAN_LEFT,           8       },
2532     { EL_PACMAN_RIGHT,          8       },
2533     { EL_PACMAN_UP,             8       },
2534     { EL_PACMAN_DOWN,           8       },
2535     { EL_MOLE,                  9       },
2536     { EL_MOLE_LEFT,             9       },
2537     { EL_MOLE_RIGHT,            9       },
2538     { EL_MOLE_UP,               9       },
2539     { EL_MOLE_DOWN,             9       },
2540     { EL_PENGUIN,               10      },
2541     { EL_PIG,                   11      },
2542     { EL_DRAGON,                12      },
2543     { EL_SATELLITE,             13      },
2544     { EL_SP_SNIKSNAK,           14      },
2545     { EL_SP_ELECTRON,           15      },
2546     { EL_BALLOON,               16      },
2547     { EL_SPRING,                17      },
2548     { EL_SPRING_LEFT,           17      },
2549     { EL_SPRING_RIGHT,          17      },
2550     { EL_EMC_ANDROID,           18      },
2551
2552     { -1,                       -1      },
2553   };
2554
2555   static struct PropertyBitInfo pb_dont_collide_with[] =
2556   {
2557     { EL_SP_SNIKSNAK,           0       },
2558     { EL_SP_ELECTRON,           1       },
2559
2560     { -1,                       -1      },
2561   };
2562
2563   static struct
2564   {
2565     int bit_nr;
2566     struct PropertyBitInfo *pb_info;
2567   } pb_definition[] =
2568   {
2569     { EP_CAN_MOVE_INTO_ACID,    pb_can_move_into_acid   },
2570     { EP_DONT_COLLIDE_WITH,     pb_dont_collide_with    },
2571
2572     { -1,                       NULL                    },
2573   };
2574
2575   struct PropertyBitInfo *pb_info = NULL;
2576   int i;
2577
2578   for (i = 0; pb_definition[i].bit_nr != -1; i++)
2579     if (pb_definition[i].bit_nr == property_bit_nr)
2580       pb_info = pb_definition[i].pb_info;
2581
2582   if (pb_info == NULL)
2583     return -1;
2584
2585   for (i = 0; pb_info[i].element != -1; i++)
2586     if (pb_info[i].element == element)
2587       return pb_info[i].bit_nr;
2588
2589   return -1;
2590 }
2591
2592 void setBitfieldProperty(int *bitfield, int property_bit_nr, int element,
2593                          boolean property_value)
2594 {
2595   int bit_nr = get_special_property_bit(element, property_bit_nr);
2596
2597   if (bit_nr > -1)
2598   {
2599     if (property_value)
2600       *bitfield |=  (1 << bit_nr);
2601     else
2602       *bitfield &= ~(1 << bit_nr);
2603   }
2604 }
2605
2606 boolean getBitfieldProperty(int *bitfield, int property_bit_nr, int element)
2607 {
2608   int bit_nr = get_special_property_bit(element, property_bit_nr);
2609
2610   if (bit_nr > -1)
2611     return ((*bitfield & (1 << bit_nr)) != 0);
2612
2613   return FALSE;
2614 }
2615
2616 static void ResolveGroupElementExt(int group_element, int recursion_depth)
2617 {
2618   static int group_nr;
2619   static struct ElementGroupInfo *group;
2620   struct ElementGroupInfo *actual_group = element_info[group_element].group;
2621   int i;
2622
2623   if (actual_group == NULL)                     // not yet initialized
2624     return;
2625
2626   if (recursion_depth > NUM_GROUP_ELEMENTS)     // recursion too deep
2627   {
2628     Warn("recursion too deep when resolving group element %d",
2629           group_element - EL_GROUP_START + 1);
2630
2631     // replace element which caused too deep recursion by question mark
2632     group->element_resolved[group->num_elements_resolved++] = EL_UNKNOWN;
2633
2634     return;
2635   }
2636
2637   if (recursion_depth == 0)                     // initialization
2638   {
2639     group = actual_group;
2640     group_nr = GROUP_NR(group_element);
2641
2642     group->num_elements_resolved = 0;
2643     group->choice_pos = 0;
2644
2645     for (i = 0; i < MAX_NUM_ELEMENTS; i++)
2646       element_info[i].in_group[group_nr] = FALSE;
2647   }
2648
2649   for (i = 0; i < actual_group->num_elements; i++)
2650   {
2651     int element = actual_group->element[i];
2652
2653     if (group->num_elements_resolved == NUM_FILE_ELEMENTS)
2654       break;
2655
2656     if (IS_GROUP_ELEMENT(element))
2657       ResolveGroupElementExt(element, recursion_depth + 1);
2658     else
2659     {
2660       group->element_resolved[group->num_elements_resolved++] = element;
2661       element_info[element].in_group[group_nr] = TRUE;
2662     }
2663   }
2664 }
2665
2666 void ResolveGroupElement(int group_element)
2667 {
2668   ResolveGroupElementExt(group_element, 0);
2669 }
2670
2671 void InitElementPropertiesStatic(void)
2672 {
2673   static boolean clipboard_elements_initialized = FALSE;
2674
2675   static int ep_diggable[] =
2676   {
2677     EL_SAND,
2678     EL_SP_BASE,
2679     EL_SP_BUGGY_BASE,
2680     EL_SP_BUGGY_BASE_ACTIVATING,
2681     EL_TRAP,
2682     EL_INVISIBLE_SAND,
2683     EL_INVISIBLE_SAND_ACTIVE,
2684     EL_EMC_GRASS,
2685
2686     // !!! currently not diggable, but handled by 'ep_dont_run_into' !!!
2687     // (if amoeba can grow into anything diggable, maybe keep these out)
2688 #if 0
2689     EL_LANDMINE,
2690     EL_DC_LANDMINE,
2691     EL_TRAP_ACTIVE,
2692     EL_SP_BUGGY_BASE_ACTIVE,
2693     EL_EMC_PLANT,
2694 #endif
2695
2696     -1
2697   };
2698
2699   static int ep_collectible_only[] =
2700   {
2701     EL_BD_DIAMOND,
2702     EL_EMERALD,
2703     EL_DIAMOND,
2704     EL_EMERALD_YELLOW,
2705     EL_EMERALD_RED,
2706     EL_EMERALD_PURPLE,
2707     EL_KEY_1,
2708     EL_KEY_2,
2709     EL_KEY_3,
2710     EL_KEY_4,
2711     EL_EM_KEY_1,
2712     EL_EM_KEY_2,
2713     EL_EM_KEY_3,
2714     EL_EM_KEY_4,
2715     EL_EMC_KEY_5,
2716     EL_EMC_KEY_6,
2717     EL_EMC_KEY_7,
2718     EL_EMC_KEY_8,
2719     EL_DYNAMITE,
2720     EL_EM_DYNAMITE,
2721     EL_DYNABOMB_INCREASE_NUMBER,
2722     EL_DYNABOMB_INCREASE_SIZE,
2723     EL_DYNABOMB_INCREASE_POWER,
2724     EL_SP_INFOTRON,
2725     EL_SP_DISK_RED,
2726     EL_PEARL,
2727     EL_CRYSTAL,
2728     EL_DC_KEY_WHITE,
2729     EL_SHIELD_NORMAL,
2730     EL_SHIELD_DEADLY,
2731     EL_EXTRA_TIME,
2732     EL_ENVELOPE_1,
2733     EL_ENVELOPE_2,
2734     EL_ENVELOPE_3,
2735     EL_ENVELOPE_4,
2736     EL_SPEED_PILL,
2737     EL_EMC_LENSES,
2738     EL_EMC_MAGNIFIER,
2739
2740 #if 0
2741     // !!! handle separately !!!
2742     EL_DC_LANDMINE,     // deadly when running into, but can be snapped
2743 #endif
2744
2745     -1
2746   };
2747
2748   static int ep_dont_run_into[] =
2749   {
2750     // same elements as in 'ep_dont_touch'
2751     EL_BUG,
2752     EL_SPACESHIP,
2753     EL_BD_BUTTERFLY,
2754     EL_BD_FIREFLY,
2755
2756     // same elements as in 'ep_dont_collide_with'
2757     EL_YAMYAM,
2758     EL_DARK_YAMYAM,
2759     EL_ROBOT,
2760     EL_PACMAN,
2761     EL_SP_SNIKSNAK,
2762     EL_SP_ELECTRON,
2763
2764     // new elements
2765     EL_AMOEBA_DROP,
2766     EL_ACID,
2767
2768     // !!! maybe this should better be handled by 'ep_diggable' !!!
2769 #if 1
2770     EL_LANDMINE,
2771     EL_DC_LANDMINE,
2772     EL_TRAP_ACTIVE,
2773     EL_SP_BUGGY_BASE_ACTIVE,
2774     EL_EMC_PLANT,
2775 #endif
2776
2777     -1
2778   };
2779
2780   static int ep_dont_collide_with[] =
2781   {
2782     // same elements as in 'ep_dont_touch'
2783     EL_BUG,
2784     EL_SPACESHIP,
2785     EL_BD_BUTTERFLY,
2786     EL_BD_FIREFLY,
2787
2788     // new elements
2789     EL_YAMYAM,
2790     EL_DARK_YAMYAM,
2791     EL_ROBOT,
2792     EL_PACMAN,
2793     EL_SP_SNIKSNAK,
2794     EL_SP_ELECTRON,
2795
2796     -1
2797   };
2798
2799   static int ep_dont_touch[] =
2800   {
2801     EL_BUG,
2802     EL_SPACESHIP,
2803     EL_BD_BUTTERFLY,
2804     EL_BD_FIREFLY,
2805
2806     -1
2807   };
2808
2809   static int ep_indestructible[] =
2810   {
2811     EL_STEELWALL,
2812     EL_ACID,
2813     EL_ACID_POOL_TOPLEFT,
2814     EL_ACID_POOL_TOPRIGHT,
2815     EL_ACID_POOL_BOTTOMLEFT,
2816     EL_ACID_POOL_BOTTOM,
2817     EL_ACID_POOL_BOTTOMRIGHT,
2818     EL_SP_HARDWARE_GRAY,
2819     EL_SP_HARDWARE_GREEN,
2820     EL_SP_HARDWARE_BLUE,
2821     EL_SP_HARDWARE_RED,
2822     EL_SP_HARDWARE_YELLOW,
2823     EL_SP_HARDWARE_BASE_1,
2824     EL_SP_HARDWARE_BASE_2,
2825     EL_SP_HARDWARE_BASE_3,
2826     EL_SP_HARDWARE_BASE_4,
2827     EL_SP_HARDWARE_BASE_5,
2828     EL_SP_HARDWARE_BASE_6,
2829     EL_INVISIBLE_STEELWALL,
2830     EL_INVISIBLE_STEELWALL_ACTIVE,
2831     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2832     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2833     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2834     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2835     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2836     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2837     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2838     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2839     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2840     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2841     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2842     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2843     EL_LIGHT_SWITCH,
2844     EL_LIGHT_SWITCH_ACTIVE,
2845     EL_SIGN_EXCLAMATION,
2846     EL_SIGN_RADIOACTIVITY,
2847     EL_SIGN_STOP,
2848     EL_SIGN_WHEELCHAIR,
2849     EL_SIGN_PARKING,
2850     EL_SIGN_NO_ENTRY,
2851     EL_SIGN_UNUSED_1,
2852     EL_SIGN_GIVE_WAY,
2853     EL_SIGN_ENTRY_FORBIDDEN,
2854     EL_SIGN_EMERGENCY_EXIT,
2855     EL_SIGN_YIN_YANG,
2856     EL_SIGN_UNUSED_2,
2857     EL_SIGN_SPERMS,
2858     EL_SIGN_BULLET,
2859     EL_SIGN_HEART,
2860     EL_SIGN_CROSS,
2861     EL_SIGN_FRANKIE,
2862     EL_STEEL_EXIT_CLOSED,
2863     EL_STEEL_EXIT_OPEN,
2864     EL_STEEL_EXIT_OPENING,
2865     EL_STEEL_EXIT_CLOSING,
2866     EL_EM_STEEL_EXIT_CLOSED,
2867     EL_EM_STEEL_EXIT_OPEN,
2868     EL_EM_STEEL_EXIT_OPENING,
2869     EL_EM_STEEL_EXIT_CLOSING,
2870     EL_DC_STEELWALL_1_LEFT,
2871     EL_DC_STEELWALL_1_RIGHT,
2872     EL_DC_STEELWALL_1_TOP,
2873     EL_DC_STEELWALL_1_BOTTOM,
2874     EL_DC_STEELWALL_1_HORIZONTAL,
2875     EL_DC_STEELWALL_1_VERTICAL,
2876     EL_DC_STEELWALL_1_TOPLEFT,
2877     EL_DC_STEELWALL_1_TOPRIGHT,
2878     EL_DC_STEELWALL_1_BOTTOMLEFT,
2879     EL_DC_STEELWALL_1_BOTTOMRIGHT,
2880     EL_DC_STEELWALL_1_TOPLEFT_2,
2881     EL_DC_STEELWALL_1_TOPRIGHT_2,
2882     EL_DC_STEELWALL_1_BOTTOMLEFT_2,
2883     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
2884     EL_DC_STEELWALL_2_LEFT,
2885     EL_DC_STEELWALL_2_RIGHT,
2886     EL_DC_STEELWALL_2_TOP,
2887     EL_DC_STEELWALL_2_BOTTOM,
2888     EL_DC_STEELWALL_2_HORIZONTAL,
2889     EL_DC_STEELWALL_2_VERTICAL,
2890     EL_DC_STEELWALL_2_MIDDLE,
2891     EL_DC_STEELWALL_2_SINGLE,
2892     EL_STEELWALL_SLIPPERY,
2893     EL_EMC_STEELWALL_1,
2894     EL_EMC_STEELWALL_2,
2895     EL_EMC_STEELWALL_3,
2896     EL_EMC_STEELWALL_4,
2897     EL_CRYSTAL,
2898     EL_GATE_1,
2899     EL_GATE_2,
2900     EL_GATE_3,
2901     EL_GATE_4,
2902     EL_GATE_1_GRAY,
2903     EL_GATE_2_GRAY,
2904     EL_GATE_3_GRAY,
2905     EL_GATE_4_GRAY,
2906     EL_GATE_1_GRAY_ACTIVE,
2907     EL_GATE_2_GRAY_ACTIVE,
2908     EL_GATE_3_GRAY_ACTIVE,
2909     EL_GATE_4_GRAY_ACTIVE,
2910     EL_EM_GATE_1,
2911     EL_EM_GATE_2,
2912     EL_EM_GATE_3,
2913     EL_EM_GATE_4,
2914     EL_EM_GATE_1_GRAY,
2915     EL_EM_GATE_2_GRAY,
2916     EL_EM_GATE_3_GRAY,
2917     EL_EM_GATE_4_GRAY,
2918     EL_EM_GATE_1_GRAY_ACTIVE,
2919     EL_EM_GATE_2_GRAY_ACTIVE,
2920     EL_EM_GATE_3_GRAY_ACTIVE,
2921     EL_EM_GATE_4_GRAY_ACTIVE,
2922     EL_EMC_GATE_5,
2923     EL_EMC_GATE_6,
2924     EL_EMC_GATE_7,
2925     EL_EMC_GATE_8,
2926     EL_EMC_GATE_5_GRAY,
2927     EL_EMC_GATE_6_GRAY,
2928     EL_EMC_GATE_7_GRAY,
2929     EL_EMC_GATE_8_GRAY,
2930     EL_EMC_GATE_5_GRAY_ACTIVE,
2931     EL_EMC_GATE_6_GRAY_ACTIVE,
2932     EL_EMC_GATE_7_GRAY_ACTIVE,
2933     EL_EMC_GATE_8_GRAY_ACTIVE,
2934     EL_DC_GATE_WHITE,
2935     EL_DC_GATE_WHITE_GRAY,
2936     EL_DC_GATE_WHITE_GRAY_ACTIVE,
2937     EL_DC_GATE_FAKE_GRAY,
2938     EL_SWITCHGATE_OPEN,
2939     EL_SWITCHGATE_OPENING,
2940     EL_SWITCHGATE_CLOSED,
2941     EL_SWITCHGATE_CLOSING,
2942     EL_DC_SWITCHGATE_SWITCH_UP,
2943     EL_DC_SWITCHGATE_SWITCH_DOWN,
2944     EL_TIMEGATE_OPEN,
2945     EL_TIMEGATE_OPENING,
2946     EL_TIMEGATE_CLOSED,
2947     EL_TIMEGATE_CLOSING,
2948     EL_DC_TIMEGATE_SWITCH,
2949     EL_DC_TIMEGATE_SWITCH_ACTIVE,
2950     EL_TUBE_ANY,
2951     EL_TUBE_VERTICAL,
2952     EL_TUBE_HORIZONTAL,
2953     EL_TUBE_VERTICAL_LEFT,
2954     EL_TUBE_VERTICAL_RIGHT,
2955     EL_TUBE_HORIZONTAL_UP,
2956     EL_TUBE_HORIZONTAL_DOWN,
2957     EL_TUBE_LEFT_UP,
2958     EL_TUBE_LEFT_DOWN,
2959     EL_TUBE_RIGHT_UP,
2960     EL_TUBE_RIGHT_DOWN,
2961     EL_EXPANDABLE_STEELWALL_HORIZONTAL,
2962     EL_EXPANDABLE_STEELWALL_VERTICAL,
2963     EL_EXPANDABLE_STEELWALL_ANY,
2964
2965     -1
2966   };
2967
2968   static int ep_slippery[] =
2969   {
2970     EL_WALL_SLIPPERY,
2971     EL_BD_WALL,
2972     EL_ROCK,
2973     EL_BD_ROCK,
2974     EL_EMERALD,
2975     EL_BD_DIAMOND,
2976     EL_EMERALD_YELLOW,
2977     EL_EMERALD_RED,
2978     EL_EMERALD_PURPLE,
2979     EL_DIAMOND,
2980     EL_BOMB,
2981     EL_NUT,
2982     EL_ROBOT_WHEEL_ACTIVE,
2983     EL_ROBOT_WHEEL,
2984     EL_TIME_ORB_FULL,
2985     EL_TIME_ORB_EMPTY,
2986     EL_LAMP_ACTIVE,
2987     EL_LAMP,
2988     EL_ACID_POOL_TOPLEFT,
2989     EL_ACID_POOL_TOPRIGHT,
2990     EL_SATELLITE,
2991     EL_SP_ZONK,
2992     EL_SP_INFOTRON,
2993     EL_SP_CHIP_SINGLE,
2994     EL_SP_CHIP_LEFT,
2995     EL_SP_CHIP_RIGHT,
2996     EL_SP_CHIP_TOP,
2997     EL_SP_CHIP_BOTTOM,
2998     EL_SPEED_PILL,
2999     EL_STEELWALL_SLIPPERY,
3000     EL_PEARL,
3001     EL_CRYSTAL,
3002     EL_EMC_WALL_SLIPPERY_1,
3003     EL_EMC_WALL_SLIPPERY_2,
3004     EL_EMC_WALL_SLIPPERY_3,
3005     EL_EMC_WALL_SLIPPERY_4,
3006     EL_EMC_MAGIC_BALL,
3007     EL_EMC_MAGIC_BALL_ACTIVE,
3008
3009     -1
3010   };
3011
3012   static int ep_can_change[] =
3013   {
3014     -1
3015   };
3016
3017   static int ep_can_move[] =
3018   {
3019     // same elements as in 'pb_can_move_into_acid'
3020     EL_BUG,
3021     EL_SPACESHIP,
3022     EL_BD_BUTTERFLY,
3023     EL_BD_FIREFLY,
3024     EL_YAMYAM,
3025     EL_DARK_YAMYAM,
3026     EL_ROBOT,
3027     EL_PACMAN,
3028     EL_MOLE,
3029     EL_PENGUIN,
3030     EL_PIG,
3031     EL_DRAGON,
3032     EL_SATELLITE,
3033     EL_SP_SNIKSNAK,
3034     EL_SP_ELECTRON,
3035     EL_BALLOON,
3036     EL_SPRING,
3037     EL_EMC_ANDROID,
3038
3039     -1
3040   };
3041
3042   static int ep_can_fall[] =
3043   {
3044     EL_ROCK,
3045     EL_BD_ROCK,
3046     EL_EMERALD,
3047     EL_BD_DIAMOND,
3048     EL_EMERALD_YELLOW,
3049     EL_EMERALD_RED,
3050     EL_EMERALD_PURPLE,
3051     EL_DIAMOND,
3052     EL_BOMB,
3053     EL_NUT,
3054     EL_AMOEBA_DROP,
3055     EL_AMOEBA_DROPPING,
3056     EL_QUICKSAND_FULL,
3057     EL_QUICKSAND_FAST_FULL,
3058     EL_MAGIC_WALL_FULL,
3059     EL_BD_MAGIC_WALL_FULL,
3060     EL_DC_MAGIC_WALL_FULL,
3061     EL_TIME_ORB_FULL,
3062     EL_TIME_ORB_EMPTY,
3063     EL_SP_ZONK,
3064     EL_SP_INFOTRON,
3065     EL_SP_DISK_ORANGE,
3066     EL_PEARL,
3067     EL_CRYSTAL,
3068     EL_SPRING,
3069     EL_DX_SUPABOMB,
3070
3071     -1
3072   };
3073
3074   static int ep_can_smash_player[] =
3075   {
3076     EL_ROCK,
3077     EL_BD_ROCK,
3078     EL_EMERALD,
3079     EL_BD_DIAMOND,
3080     EL_EMERALD_YELLOW,
3081     EL_EMERALD_RED,
3082     EL_EMERALD_PURPLE,
3083     EL_DIAMOND,
3084     EL_BOMB,
3085     EL_NUT,
3086     EL_AMOEBA_DROP,
3087     EL_TIME_ORB_FULL,
3088     EL_TIME_ORB_EMPTY,
3089     EL_SP_ZONK,
3090     EL_SP_INFOTRON,
3091     EL_SP_DISK_ORANGE,
3092     EL_PEARL,
3093     EL_CRYSTAL,
3094     EL_SPRING,
3095     EL_DX_SUPABOMB,
3096
3097     -1
3098   };
3099
3100   static int ep_can_smash_enemies[] =
3101   {
3102     EL_ROCK,
3103     EL_BD_ROCK,
3104     EL_SP_ZONK,
3105
3106     -1
3107   };
3108
3109   static int ep_can_smash_everything[] =
3110   {
3111     EL_ROCK,
3112     EL_BD_ROCK,
3113     EL_SP_ZONK,
3114
3115     -1
3116   };
3117
3118   static int ep_explodes_by_fire[] =
3119   {
3120     // same elements as in 'ep_explodes_impact'
3121     EL_BOMB,
3122     EL_SP_DISK_ORANGE,
3123     EL_DX_SUPABOMB,
3124
3125     // same elements as in 'ep_explodes_smashed'
3126     EL_SATELLITE,
3127     EL_PIG,
3128     EL_DRAGON,
3129     EL_MOLE,
3130
3131     // new elements
3132     EL_DYNAMITE,
3133     EL_DYNAMITE_ACTIVE,
3134     EL_EM_DYNAMITE,
3135     EL_EM_DYNAMITE_ACTIVE,
3136     EL_DYNABOMB_PLAYER_1_ACTIVE,
3137     EL_DYNABOMB_PLAYER_2_ACTIVE,
3138     EL_DYNABOMB_PLAYER_3_ACTIVE,
3139     EL_DYNABOMB_PLAYER_4_ACTIVE,
3140     EL_DYNABOMB_INCREASE_NUMBER,
3141     EL_DYNABOMB_INCREASE_SIZE,
3142     EL_DYNABOMB_INCREASE_POWER,
3143     EL_SP_DISK_RED_ACTIVE,
3144     EL_BUG,
3145     EL_PENGUIN,
3146     EL_SP_DISK_RED,
3147     EL_SP_DISK_YELLOW,
3148     EL_SP_SNIKSNAK,
3149     EL_SP_ELECTRON,
3150 #if 0
3151     EL_BLACK_ORB,
3152 #endif
3153
3154     -1
3155   };
3156
3157   static int ep_explodes_smashed[] =
3158   {
3159     // same elements as in 'ep_explodes_impact'
3160     EL_BOMB,
3161     EL_SP_DISK_ORANGE,
3162     EL_DX_SUPABOMB,
3163
3164     // new elements
3165     EL_SATELLITE,
3166     EL_PIG,
3167     EL_DRAGON,
3168     EL_MOLE,
3169
3170     -1
3171   };
3172
3173   static int ep_explodes_impact[] =
3174   {
3175     EL_BOMB,
3176     EL_SP_DISK_ORANGE,
3177     EL_DX_SUPABOMB,
3178
3179     -1
3180   };
3181
3182   static int ep_walkable_over[] =
3183   {
3184     EL_EMPTY_SPACE,
3185     EL_EMPTY_SPACE_1,
3186     EL_EMPTY_SPACE_2,
3187     EL_EMPTY_SPACE_3,
3188     EL_EMPTY_SPACE_4,
3189     EL_EMPTY_SPACE_5,
3190     EL_EMPTY_SPACE_6,
3191     EL_EMPTY_SPACE_7,
3192     EL_EMPTY_SPACE_8,
3193     EL_EMPTY_SPACE_9,
3194     EL_EMPTY_SPACE_10,
3195     EL_EMPTY_SPACE_11,
3196     EL_EMPTY_SPACE_12,
3197     EL_EMPTY_SPACE_13,
3198     EL_EMPTY_SPACE_14,
3199     EL_EMPTY_SPACE_15,
3200     EL_EMPTY_SPACE_16,
3201     EL_SP_EMPTY_SPACE,
3202     EL_SOKOBAN_FIELD_EMPTY,
3203     EL_EXIT_OPEN,
3204     EL_EM_EXIT_OPEN,
3205     EL_EM_EXIT_OPENING,
3206     EL_SP_EXIT_OPEN,
3207     EL_SP_EXIT_OPENING,
3208     EL_STEEL_EXIT_OPEN,
3209     EL_EM_STEEL_EXIT_OPEN,
3210     EL_EM_STEEL_EXIT_OPENING,
3211     EL_GATE_1,
3212     EL_GATE_2,
3213     EL_GATE_3,
3214     EL_GATE_4,
3215     EL_GATE_1_GRAY,
3216     EL_GATE_2_GRAY,
3217     EL_GATE_3_GRAY,
3218     EL_GATE_4_GRAY,
3219     EL_GATE_1_GRAY_ACTIVE,
3220     EL_GATE_2_GRAY_ACTIVE,
3221     EL_GATE_3_GRAY_ACTIVE,
3222     EL_GATE_4_GRAY_ACTIVE,
3223     EL_PENGUIN,
3224     EL_PIG,
3225     EL_DRAGON,
3226
3227     -1
3228   };
3229
3230   static int ep_walkable_inside[] =
3231   {
3232     EL_TUBE_ANY,
3233     EL_TUBE_VERTICAL,
3234     EL_TUBE_HORIZONTAL,
3235     EL_TUBE_VERTICAL_LEFT,
3236     EL_TUBE_VERTICAL_RIGHT,
3237     EL_TUBE_HORIZONTAL_UP,
3238     EL_TUBE_HORIZONTAL_DOWN,
3239     EL_TUBE_LEFT_UP,
3240     EL_TUBE_LEFT_DOWN,
3241     EL_TUBE_RIGHT_UP,
3242     EL_TUBE_RIGHT_DOWN,
3243
3244     -1
3245   };
3246
3247   static int ep_walkable_under[] =
3248   {
3249     -1
3250   };
3251
3252   static int ep_passable_over[] =
3253   {
3254     EL_EM_GATE_1,
3255     EL_EM_GATE_2,
3256     EL_EM_GATE_3,
3257     EL_EM_GATE_4,
3258     EL_EM_GATE_1_GRAY,
3259     EL_EM_GATE_2_GRAY,
3260     EL_EM_GATE_3_GRAY,
3261     EL_EM_GATE_4_GRAY,
3262     EL_EM_GATE_1_GRAY_ACTIVE,
3263     EL_EM_GATE_2_GRAY_ACTIVE,
3264     EL_EM_GATE_3_GRAY_ACTIVE,
3265     EL_EM_GATE_4_GRAY_ACTIVE,
3266     EL_EMC_GATE_5,
3267     EL_EMC_GATE_6,
3268     EL_EMC_GATE_7,
3269     EL_EMC_GATE_8,
3270     EL_EMC_GATE_5_GRAY,
3271     EL_EMC_GATE_6_GRAY,
3272     EL_EMC_GATE_7_GRAY,
3273     EL_EMC_GATE_8_GRAY,
3274     EL_EMC_GATE_5_GRAY_ACTIVE,
3275     EL_EMC_GATE_6_GRAY_ACTIVE,
3276     EL_EMC_GATE_7_GRAY_ACTIVE,
3277     EL_EMC_GATE_8_GRAY_ACTIVE,
3278     EL_DC_GATE_WHITE,
3279     EL_DC_GATE_WHITE_GRAY,
3280     EL_DC_GATE_WHITE_GRAY_ACTIVE,
3281     EL_SWITCHGATE_OPEN,
3282     EL_TIMEGATE_OPEN,
3283
3284     -1
3285   };
3286
3287   static int ep_passable_inside[] =
3288   {
3289     EL_SP_PORT_LEFT,
3290     EL_SP_PORT_RIGHT,
3291     EL_SP_PORT_UP,
3292     EL_SP_PORT_DOWN,
3293     EL_SP_PORT_HORIZONTAL,
3294     EL_SP_PORT_VERTICAL,
3295     EL_SP_PORT_ANY,
3296     EL_SP_GRAVITY_PORT_LEFT,
3297     EL_SP_GRAVITY_PORT_RIGHT,
3298     EL_SP_GRAVITY_PORT_UP,
3299     EL_SP_GRAVITY_PORT_DOWN,
3300     EL_SP_GRAVITY_ON_PORT_LEFT,
3301     EL_SP_GRAVITY_ON_PORT_RIGHT,
3302     EL_SP_GRAVITY_ON_PORT_UP,
3303     EL_SP_GRAVITY_ON_PORT_DOWN,
3304     EL_SP_GRAVITY_OFF_PORT_LEFT,
3305     EL_SP_GRAVITY_OFF_PORT_RIGHT,
3306     EL_SP_GRAVITY_OFF_PORT_UP,
3307     EL_SP_GRAVITY_OFF_PORT_DOWN,
3308
3309     -1
3310   };
3311
3312   static int ep_passable_under[] =
3313   {
3314     -1
3315   };
3316
3317   static int ep_droppable[] =
3318   {
3319     -1
3320   };
3321
3322   static int ep_explodes_1x1_old[] =
3323   {
3324     -1
3325   };
3326
3327   static int ep_pushable[] =
3328   {
3329     EL_ROCK,
3330     EL_BOMB,
3331     EL_DX_SUPABOMB,
3332     EL_NUT,
3333     EL_TIME_ORB_EMPTY,
3334     EL_SP_ZONK,
3335     EL_SP_DISK_ORANGE,
3336     EL_SPRING,
3337     EL_BD_ROCK,
3338     EL_SOKOBAN_OBJECT,
3339     EL_SOKOBAN_FIELD_FULL,
3340     EL_SATELLITE,
3341     EL_SP_DISK_YELLOW,
3342     EL_BALLOON,
3343     EL_EMC_ANDROID,
3344
3345     -1
3346   };
3347
3348   static int ep_explodes_cross_old[] =
3349   {
3350     -1
3351   };
3352
3353   static int ep_protected[] =
3354   {
3355     // same elements as in 'ep_walkable_inside'
3356     EL_TUBE_ANY,
3357     EL_TUBE_VERTICAL,
3358     EL_TUBE_HORIZONTAL,
3359     EL_TUBE_VERTICAL_LEFT,
3360     EL_TUBE_VERTICAL_RIGHT,
3361     EL_TUBE_HORIZONTAL_UP,
3362     EL_TUBE_HORIZONTAL_DOWN,
3363     EL_TUBE_LEFT_UP,
3364     EL_TUBE_LEFT_DOWN,
3365     EL_TUBE_RIGHT_UP,
3366     EL_TUBE_RIGHT_DOWN,
3367
3368     // same elements as in 'ep_passable_over'
3369     EL_EM_GATE_1,
3370     EL_EM_GATE_2,
3371     EL_EM_GATE_3,
3372     EL_EM_GATE_4,
3373     EL_EM_GATE_1_GRAY,
3374     EL_EM_GATE_2_GRAY,
3375     EL_EM_GATE_3_GRAY,
3376     EL_EM_GATE_4_GRAY,
3377     EL_EM_GATE_1_GRAY_ACTIVE,
3378     EL_EM_GATE_2_GRAY_ACTIVE,
3379     EL_EM_GATE_3_GRAY_ACTIVE,
3380     EL_EM_GATE_4_GRAY_ACTIVE,
3381     EL_EMC_GATE_5,
3382     EL_EMC_GATE_6,
3383     EL_EMC_GATE_7,
3384     EL_EMC_GATE_8,
3385     EL_EMC_GATE_5_GRAY,
3386     EL_EMC_GATE_6_GRAY,
3387     EL_EMC_GATE_7_GRAY,
3388     EL_EMC_GATE_8_GRAY,
3389     EL_EMC_GATE_5_GRAY_ACTIVE,
3390     EL_EMC_GATE_6_GRAY_ACTIVE,
3391     EL_EMC_GATE_7_GRAY_ACTIVE,
3392     EL_EMC_GATE_8_GRAY_ACTIVE,
3393     EL_DC_GATE_WHITE,
3394     EL_DC_GATE_WHITE_GRAY,
3395     EL_DC_GATE_WHITE_GRAY_ACTIVE,
3396     EL_SWITCHGATE_OPEN,
3397     EL_TIMEGATE_OPEN,
3398
3399     // same elements as in 'ep_passable_inside'
3400     EL_SP_PORT_LEFT,
3401     EL_SP_PORT_RIGHT,
3402     EL_SP_PORT_UP,
3403     EL_SP_PORT_DOWN,
3404     EL_SP_PORT_HORIZONTAL,
3405     EL_SP_PORT_VERTICAL,
3406     EL_SP_PORT_ANY,
3407     EL_SP_GRAVITY_PORT_LEFT,
3408     EL_SP_GRAVITY_PORT_RIGHT,
3409     EL_SP_GRAVITY_PORT_UP,
3410     EL_SP_GRAVITY_PORT_DOWN,
3411     EL_SP_GRAVITY_ON_PORT_LEFT,
3412     EL_SP_GRAVITY_ON_PORT_RIGHT,
3413     EL_SP_GRAVITY_ON_PORT_UP,
3414     EL_SP_GRAVITY_ON_PORT_DOWN,
3415     EL_SP_GRAVITY_OFF_PORT_LEFT,
3416     EL_SP_GRAVITY_OFF_PORT_RIGHT,
3417     EL_SP_GRAVITY_OFF_PORT_UP,
3418     EL_SP_GRAVITY_OFF_PORT_DOWN,
3419
3420     -1
3421   };
3422
3423   static int ep_throwable[] =
3424   {
3425     -1
3426   };
3427
3428   static int ep_can_explode[] =
3429   {
3430     // same elements as in 'ep_explodes_impact'
3431     EL_BOMB,
3432     EL_SP_DISK_ORANGE,
3433     EL_DX_SUPABOMB,
3434
3435     // same elements as in 'ep_explodes_smashed'
3436     EL_SATELLITE,
3437     EL_PIG,
3438     EL_DRAGON,
3439     EL_MOLE,
3440
3441     // elements that can explode by explosion or by dragonfire
3442     EL_DYNAMITE,
3443     EL_DYNAMITE_ACTIVE,
3444     EL_EM_DYNAMITE,
3445     EL_EM_DYNAMITE_ACTIVE,
3446     EL_DYNABOMB_PLAYER_1_ACTIVE,
3447     EL_DYNABOMB_PLAYER_2_ACTIVE,
3448     EL_DYNABOMB_PLAYER_3_ACTIVE,
3449     EL_DYNABOMB_PLAYER_4_ACTIVE,
3450     EL_DYNABOMB_INCREASE_NUMBER,
3451     EL_DYNABOMB_INCREASE_SIZE,
3452     EL_DYNABOMB_INCREASE_POWER,
3453     EL_SP_DISK_RED_ACTIVE,
3454     EL_BUG,
3455     EL_PENGUIN,
3456     EL_SP_DISK_RED,
3457     EL_SP_DISK_YELLOW,
3458     EL_SP_SNIKSNAK,
3459     EL_SP_ELECTRON,
3460
3461     // elements that can explode only by explosion
3462     EL_BLACK_ORB,
3463
3464     -1
3465   };
3466
3467   static int ep_gravity_reachable[] =
3468   {
3469     EL_SAND,
3470     EL_SP_BASE,
3471     EL_TRAP,
3472     EL_INVISIBLE_SAND,
3473     EL_INVISIBLE_SAND_ACTIVE,
3474     EL_SP_PORT_LEFT,
3475     EL_SP_PORT_RIGHT,
3476     EL_SP_PORT_UP,
3477     EL_SP_PORT_DOWN,
3478     EL_SP_PORT_HORIZONTAL,
3479     EL_SP_PORT_VERTICAL,
3480     EL_SP_PORT_ANY,
3481     EL_SP_GRAVITY_PORT_LEFT,
3482     EL_SP_GRAVITY_PORT_RIGHT,
3483     EL_SP_GRAVITY_PORT_UP,
3484     EL_SP_GRAVITY_PORT_DOWN,
3485     EL_SP_GRAVITY_ON_PORT_LEFT,
3486     EL_SP_GRAVITY_ON_PORT_RIGHT,
3487     EL_SP_GRAVITY_ON_PORT_UP,
3488     EL_SP_GRAVITY_ON_PORT_DOWN,
3489     EL_SP_GRAVITY_OFF_PORT_LEFT,
3490     EL_SP_GRAVITY_OFF_PORT_RIGHT,
3491     EL_SP_GRAVITY_OFF_PORT_UP,
3492     EL_SP_GRAVITY_OFF_PORT_DOWN,
3493     EL_EMC_GRASS,
3494
3495     -1
3496   };
3497
3498   static int ep_empty_space[] =
3499   {
3500     EL_EMPTY_SPACE,
3501     EL_EMPTY_SPACE_1,
3502     EL_EMPTY_SPACE_2,
3503     EL_EMPTY_SPACE_3,
3504     EL_EMPTY_SPACE_4,
3505     EL_EMPTY_SPACE_5,
3506     EL_EMPTY_SPACE_6,
3507     EL_EMPTY_SPACE_7,
3508     EL_EMPTY_SPACE_8,
3509     EL_EMPTY_SPACE_9,
3510     EL_EMPTY_SPACE_10,
3511     EL_EMPTY_SPACE_11,
3512     EL_EMPTY_SPACE_12,
3513     EL_EMPTY_SPACE_13,
3514     EL_EMPTY_SPACE_14,
3515     EL_EMPTY_SPACE_15,
3516     EL_EMPTY_SPACE_16,
3517
3518     -1
3519   };
3520
3521   static int ep_player[] =
3522   {
3523     EL_PLAYER_1,
3524     EL_PLAYER_2,
3525     EL_PLAYER_3,
3526     EL_PLAYER_4,
3527     EL_SP_MURPHY,
3528     EL_SOKOBAN_FIELD_PLAYER,
3529     EL_TRIGGER_PLAYER,
3530
3531     -1
3532   };
3533
3534   static int ep_can_pass_magic_wall[] =
3535   {
3536     EL_ROCK,
3537     EL_BD_ROCK,
3538     EL_EMERALD,
3539     EL_BD_DIAMOND,
3540     EL_EMERALD_YELLOW,
3541     EL_EMERALD_RED,
3542     EL_EMERALD_PURPLE,
3543     EL_DIAMOND,
3544
3545     -1
3546   };
3547
3548   static int ep_can_pass_dc_magic_wall[] =
3549   {
3550     EL_ROCK,
3551     EL_BD_ROCK,
3552     EL_EMERALD,
3553     EL_BD_DIAMOND,
3554     EL_EMERALD_YELLOW,
3555     EL_EMERALD_RED,
3556     EL_EMERALD_PURPLE,
3557     EL_DIAMOND,
3558     EL_PEARL,
3559     EL_CRYSTAL,
3560
3561     -1
3562   };
3563
3564   static int ep_switchable[] =
3565   {
3566     EL_ROBOT_WHEEL,
3567     EL_SP_TERMINAL,
3568     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3569     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3570     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3571     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3572     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3573     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3574     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3575     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3576     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3577     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3578     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3579     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3580     EL_SWITCHGATE_SWITCH_UP,
3581     EL_SWITCHGATE_SWITCH_DOWN,
3582     EL_DC_SWITCHGATE_SWITCH_UP,
3583     EL_DC_SWITCHGATE_SWITCH_DOWN,
3584     EL_LIGHT_SWITCH,
3585     EL_LIGHT_SWITCH_ACTIVE,
3586     EL_TIMEGATE_SWITCH,
3587     EL_DC_TIMEGATE_SWITCH,
3588     EL_BALLOON_SWITCH_LEFT,
3589     EL_BALLOON_SWITCH_RIGHT,
3590     EL_BALLOON_SWITCH_UP,
3591     EL_BALLOON_SWITCH_DOWN,
3592     EL_BALLOON_SWITCH_ANY,
3593     EL_BALLOON_SWITCH_NONE,
3594     EL_LAMP,
3595     EL_TIME_ORB_FULL,
3596     EL_EMC_MAGIC_BALL_SWITCH,
3597     EL_EMC_MAGIC_BALL_SWITCH_ACTIVE,
3598
3599     -1
3600   };
3601
3602   static int ep_bd_element[] =
3603   {
3604     EL_EMPTY,
3605     EL_SAND,
3606     EL_WALL_SLIPPERY,
3607     EL_BD_WALL,
3608     EL_ROCK,
3609     EL_BD_ROCK,
3610     EL_BD_DIAMOND,
3611     EL_BD_MAGIC_WALL,
3612     EL_EXIT_CLOSED,
3613     EL_EXIT_OPEN,
3614     EL_STEELWALL,
3615     EL_PLAYER_1,
3616     EL_PLAYER_2,
3617     EL_PLAYER_3,
3618     EL_PLAYER_4,
3619     EL_BD_FIREFLY,
3620     EL_BD_FIREFLY_LEFT,
3621     EL_BD_FIREFLY_DOWN,
3622     EL_BD_FIREFLY_RIGHT,
3623     EL_BD_FIREFLY_UP,
3624     EL_BD_BUTTERFLY,
3625     EL_BD_BUTTERFLY_DOWN,
3626     EL_BD_BUTTERFLY_LEFT,
3627     EL_BD_BUTTERFLY_UP,
3628     EL_BD_BUTTERFLY_RIGHT,
3629     EL_BD_AMOEBA,
3630     EL_CHAR_QUESTION,
3631     EL_UNKNOWN,
3632
3633     -1
3634   };
3635
3636   static int ep_sp_element[] =
3637   {
3638     // should always be valid
3639     EL_EMPTY,
3640
3641     // standard classic Supaplex elements
3642     EL_SP_EMPTY,
3643     EL_SP_ZONK,
3644     EL_SP_BASE,
3645     EL_SP_MURPHY,
3646     EL_SP_INFOTRON,
3647     EL_SP_CHIP_SINGLE,
3648     EL_SP_HARDWARE_GRAY,
3649     EL_SP_EXIT_CLOSED,
3650     EL_SP_EXIT_OPEN,
3651     EL_SP_DISK_ORANGE,
3652     EL_SP_PORT_RIGHT,
3653     EL_SP_PORT_DOWN,
3654     EL_SP_PORT_LEFT,
3655     EL_SP_PORT_UP,
3656     EL_SP_GRAVITY_PORT_RIGHT,
3657     EL_SP_GRAVITY_PORT_DOWN,
3658     EL_SP_GRAVITY_PORT_LEFT,
3659     EL_SP_GRAVITY_PORT_UP,
3660     EL_SP_SNIKSNAK,
3661     EL_SP_DISK_YELLOW,
3662     EL_SP_TERMINAL,
3663     EL_SP_DISK_RED,
3664     EL_SP_PORT_VERTICAL,
3665     EL_SP_PORT_HORIZONTAL,
3666     EL_SP_PORT_ANY,
3667     EL_SP_ELECTRON,
3668     EL_SP_BUGGY_BASE,
3669     EL_SP_CHIP_LEFT,
3670     EL_SP_CHIP_RIGHT,
3671     EL_SP_HARDWARE_BASE_1,
3672     EL_SP_HARDWARE_GREEN,
3673     EL_SP_HARDWARE_BLUE,
3674     EL_SP_HARDWARE_RED,
3675     EL_SP_HARDWARE_YELLOW,
3676     EL_SP_HARDWARE_BASE_2,
3677     EL_SP_HARDWARE_BASE_3,
3678     EL_SP_HARDWARE_BASE_4,
3679     EL_SP_HARDWARE_BASE_5,
3680     EL_SP_HARDWARE_BASE_6,
3681     EL_SP_CHIP_TOP,
3682     EL_SP_CHIP_BOTTOM,
3683
3684     // additional elements that appeared in newer Supaplex levels
3685     EL_INVISIBLE_WALL,
3686
3687     // additional gravity port elements (not switching, but setting gravity)
3688     EL_SP_GRAVITY_ON_PORT_LEFT,
3689     EL_SP_GRAVITY_ON_PORT_RIGHT,
3690     EL_SP_GRAVITY_ON_PORT_UP,
3691     EL_SP_GRAVITY_ON_PORT_DOWN,
3692     EL_SP_GRAVITY_OFF_PORT_LEFT,
3693     EL_SP_GRAVITY_OFF_PORT_RIGHT,
3694     EL_SP_GRAVITY_OFF_PORT_UP,
3695     EL_SP_GRAVITY_OFF_PORT_DOWN,
3696
3697     // more than one Murphy in a level results in an inactive clone
3698     EL_SP_MURPHY_CLONE,
3699
3700     // runtime Supaplex elements
3701     EL_SP_DISK_RED_ACTIVE,
3702     EL_SP_TERMINAL_ACTIVE,
3703     EL_SP_BUGGY_BASE_ACTIVATING,
3704     EL_SP_BUGGY_BASE_ACTIVE,
3705     EL_SP_EXIT_OPENING,
3706     EL_SP_EXIT_CLOSING,
3707
3708     -1
3709   };
3710
3711   static int ep_sb_element[] =
3712   {
3713     EL_EMPTY,
3714     EL_STEELWALL,
3715     EL_SOKOBAN_OBJECT,
3716     EL_SOKOBAN_FIELD_EMPTY,
3717     EL_SOKOBAN_FIELD_FULL,
3718     EL_SOKOBAN_FIELD_PLAYER,
3719     EL_PLAYER_1,
3720     EL_PLAYER_2,
3721     EL_PLAYER_3,
3722     EL_PLAYER_4,
3723     EL_INVISIBLE_STEELWALL,
3724
3725     -1
3726   };
3727
3728   static int ep_gem[] =
3729   {
3730     EL_BD_DIAMOND,
3731     EL_EMERALD,
3732     EL_EMERALD_YELLOW,
3733     EL_EMERALD_RED,
3734     EL_EMERALD_PURPLE,
3735     EL_DIAMOND,
3736
3737     -1
3738   };
3739
3740   static int ep_food_dark_yamyam[] =
3741   {
3742     EL_SAND,
3743     EL_BUG,
3744     EL_SPACESHIP,
3745     EL_BD_BUTTERFLY,
3746     EL_BD_FIREFLY,
3747     EL_YAMYAM,
3748     EL_ROBOT,
3749     EL_PACMAN,
3750     EL_AMOEBA_DROP,
3751     EL_AMOEBA_DEAD,
3752     EL_AMOEBA_WET,
3753     EL_AMOEBA_DRY,
3754     EL_AMOEBA_FULL,
3755     EL_BD_AMOEBA,
3756     EL_EMERALD,
3757     EL_BD_DIAMOND,
3758     EL_EMERALD_YELLOW,
3759     EL_EMERALD_RED,
3760     EL_EMERALD_PURPLE,
3761     EL_DIAMOND,
3762     EL_PEARL,
3763     EL_CRYSTAL,
3764
3765     -1
3766   };
3767
3768   static int ep_food_penguin[] =
3769   {
3770     EL_EMERALD,
3771     EL_BD_DIAMOND,
3772     EL_EMERALD_YELLOW,
3773     EL_EMERALD_RED,
3774     EL_EMERALD_PURPLE,
3775     EL_DIAMOND,
3776     EL_PEARL,
3777     EL_CRYSTAL,
3778
3779     -1
3780   };
3781
3782   static int ep_food_pig[] =
3783   {
3784     EL_EMERALD,
3785     EL_BD_DIAMOND,
3786     EL_EMERALD_YELLOW,
3787     EL_EMERALD_RED,
3788     EL_EMERALD_PURPLE,
3789     EL_DIAMOND,
3790
3791     -1
3792   };
3793
3794   static int ep_historic_wall[] =
3795   {
3796     EL_STEELWALL,
3797     EL_GATE_1,
3798     EL_GATE_2,
3799     EL_GATE_3,
3800     EL_GATE_4,
3801     EL_GATE_1_GRAY,
3802     EL_GATE_2_GRAY,
3803     EL_GATE_3_GRAY,
3804     EL_GATE_4_GRAY,
3805     EL_GATE_1_GRAY_ACTIVE,
3806     EL_GATE_2_GRAY_ACTIVE,
3807     EL_GATE_3_GRAY_ACTIVE,
3808     EL_GATE_4_GRAY_ACTIVE,
3809     EL_EM_GATE_1,
3810     EL_EM_GATE_2,
3811     EL_EM_GATE_3,
3812     EL_EM_GATE_4,
3813     EL_EM_GATE_1_GRAY,
3814     EL_EM_GATE_2_GRAY,
3815     EL_EM_GATE_3_GRAY,
3816     EL_EM_GATE_4_GRAY,
3817     EL_EM_GATE_1_GRAY_ACTIVE,
3818     EL_EM_GATE_2_GRAY_ACTIVE,
3819     EL_EM_GATE_3_GRAY_ACTIVE,
3820     EL_EM_GATE_4_GRAY_ACTIVE,
3821     EL_EXIT_CLOSED,
3822     EL_EXIT_OPENING,
3823     EL_EXIT_OPEN,
3824     EL_WALL,
3825     EL_WALL_SLIPPERY,
3826     EL_EXPANDABLE_WALL,
3827     EL_EXPANDABLE_WALL_HORIZONTAL,
3828     EL_EXPANDABLE_WALL_VERTICAL,
3829     EL_EXPANDABLE_WALL_ANY,
3830     EL_EXPANDABLE_WALL_GROWING,
3831     EL_BD_EXPANDABLE_WALL,
3832     EL_BD_WALL,
3833     EL_SP_CHIP_SINGLE,
3834     EL_SP_CHIP_LEFT,
3835     EL_SP_CHIP_RIGHT,
3836     EL_SP_CHIP_TOP,
3837     EL_SP_CHIP_BOTTOM,
3838     EL_SP_HARDWARE_GRAY,
3839     EL_SP_HARDWARE_GREEN,
3840     EL_SP_HARDWARE_BLUE,
3841     EL_SP_HARDWARE_RED,
3842     EL_SP_HARDWARE_YELLOW,
3843     EL_SP_HARDWARE_BASE_1,
3844     EL_SP_HARDWARE_BASE_2,
3845     EL_SP_HARDWARE_BASE_3,
3846     EL_SP_HARDWARE_BASE_4,
3847     EL_SP_HARDWARE_BASE_5,
3848     EL_SP_HARDWARE_BASE_6,
3849     EL_SP_TERMINAL,
3850     EL_SP_TERMINAL_ACTIVE,
3851     EL_SP_EXIT_CLOSED,
3852     EL_SP_EXIT_OPEN,
3853     EL_INVISIBLE_STEELWALL,
3854     EL_INVISIBLE_STEELWALL_ACTIVE,
3855     EL_INVISIBLE_WALL,
3856     EL_INVISIBLE_WALL_ACTIVE,
3857     EL_STEELWALL_SLIPPERY,
3858     EL_EMC_STEELWALL_1,
3859     EL_EMC_STEELWALL_2,
3860     EL_EMC_STEELWALL_3,
3861     EL_EMC_STEELWALL_4,
3862     EL_EMC_WALL_1,
3863     EL_EMC_WALL_2,
3864     EL_EMC_WALL_3,
3865     EL_EMC_WALL_4,
3866     EL_EMC_WALL_5,
3867     EL_EMC_WALL_6,
3868     EL_EMC_WALL_7,
3869     EL_EMC_WALL_8,
3870
3871     -1
3872   };
3873
3874   static int ep_historic_solid[] =
3875   {
3876     EL_WALL,
3877     EL_EXPANDABLE_WALL,
3878     EL_EXPANDABLE_WALL_HORIZONTAL,
3879     EL_EXPANDABLE_WALL_VERTICAL,
3880     EL_EXPANDABLE_WALL_ANY,
3881     EL_BD_EXPANDABLE_WALL,
3882     EL_BD_WALL,
3883     EL_WALL_SLIPPERY,
3884     EL_EXIT_CLOSED,
3885     EL_EXIT_OPENING,
3886     EL_EXIT_OPEN,
3887     EL_AMOEBA_DEAD,
3888     EL_AMOEBA_WET,
3889     EL_AMOEBA_DRY,
3890     EL_AMOEBA_FULL,
3891     EL_BD_AMOEBA,
3892     EL_QUICKSAND_EMPTY,
3893     EL_QUICKSAND_FULL,
3894     EL_QUICKSAND_FILLING,
3895     EL_QUICKSAND_EMPTYING,
3896     EL_MAGIC_WALL,
3897     EL_MAGIC_WALL_ACTIVE,
3898     EL_MAGIC_WALL_EMPTYING,
3899     EL_MAGIC_WALL_FILLING,
3900     EL_MAGIC_WALL_FULL,
3901     EL_MAGIC_WALL_DEAD,
3902     EL_BD_MAGIC_WALL,
3903     EL_BD_MAGIC_WALL_ACTIVE,
3904     EL_BD_MAGIC_WALL_EMPTYING,
3905     EL_BD_MAGIC_WALL_FULL,
3906     EL_BD_MAGIC_WALL_FILLING,
3907     EL_BD_MAGIC_WALL_DEAD,
3908     EL_GAME_OF_LIFE,
3909     EL_BIOMAZE,
3910     EL_SP_CHIP_SINGLE,
3911     EL_SP_CHIP_LEFT,
3912     EL_SP_CHIP_RIGHT,
3913     EL_SP_CHIP_TOP,
3914     EL_SP_CHIP_BOTTOM,
3915     EL_SP_TERMINAL,
3916     EL_SP_TERMINAL_ACTIVE,
3917     EL_SP_EXIT_CLOSED,
3918     EL_SP_EXIT_OPEN,
3919     EL_INVISIBLE_WALL,
3920     EL_INVISIBLE_WALL_ACTIVE,
3921     EL_SWITCHGATE_SWITCH_UP,
3922     EL_SWITCHGATE_SWITCH_DOWN,
3923     EL_TIMEGATE_SWITCH,
3924     EL_TIMEGATE_SWITCH_ACTIVE,
3925     EL_EMC_WALL_1,
3926     EL_EMC_WALL_2,
3927     EL_EMC_WALL_3,
3928     EL_EMC_WALL_4,
3929     EL_EMC_WALL_5,
3930     EL_EMC_WALL_6,
3931     EL_EMC_WALL_7,
3932     EL_EMC_WALL_8,
3933     EL_WALL_PEARL,
3934     EL_WALL_CRYSTAL,
3935
3936     // the following elements are a direct copy of "indestructible" elements,
3937     // except "EL_ACID", which is "indestructible", but not "solid"!
3938 #if 0
3939     EL_ACID,
3940 #endif
3941     EL_STEELWALL,
3942     EL_ACID_POOL_TOPLEFT,
3943     EL_ACID_POOL_TOPRIGHT,
3944     EL_ACID_POOL_BOTTOMLEFT,
3945     EL_ACID_POOL_BOTTOM,
3946     EL_ACID_POOL_BOTTOMRIGHT,
3947     EL_SP_HARDWARE_GRAY,
3948     EL_SP_HARDWARE_GREEN,
3949     EL_SP_HARDWARE_BLUE,
3950     EL_SP_HARDWARE_RED,
3951     EL_SP_HARDWARE_YELLOW,
3952     EL_SP_HARDWARE_BASE_1,
3953     EL_SP_HARDWARE_BASE_2,
3954     EL_SP_HARDWARE_BASE_3,
3955     EL_SP_HARDWARE_BASE_4,
3956     EL_SP_HARDWARE_BASE_5,
3957     EL_SP_HARDWARE_BASE_6,
3958     EL_INVISIBLE_STEELWALL,
3959     EL_INVISIBLE_STEELWALL_ACTIVE,
3960     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3961     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3962     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3963     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3964     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3965     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3966     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3967     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3968     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3969     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3970     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3971     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3972     EL_LIGHT_SWITCH,
3973     EL_LIGHT_SWITCH_ACTIVE,
3974     EL_SIGN_EXCLAMATION,
3975     EL_SIGN_RADIOACTIVITY,
3976     EL_SIGN_STOP,
3977     EL_SIGN_WHEELCHAIR,
3978     EL_SIGN_PARKING,
3979     EL_SIGN_NO_ENTRY,
3980     EL_SIGN_UNUSED_1,
3981     EL_SIGN_GIVE_WAY,
3982     EL_SIGN_ENTRY_FORBIDDEN,
3983     EL_SIGN_EMERGENCY_EXIT,
3984     EL_SIGN_YIN_YANG,
3985     EL_SIGN_UNUSED_2,
3986     EL_SIGN_SPERMS,
3987     EL_SIGN_BULLET,
3988     EL_SIGN_HEART,
3989     EL_SIGN_CROSS,
3990     EL_SIGN_FRANKIE,
3991     EL_STEEL_EXIT_CLOSED,
3992     EL_STEEL_EXIT_OPEN,
3993     EL_STEEL_EXIT_OPENING,
3994     EL_STEEL_EXIT_CLOSING,
3995     EL_EM_STEEL_EXIT_CLOSED,
3996     EL_EM_STEEL_EXIT_OPEN,
3997     EL_EM_STEEL_EXIT_OPENING,
3998     EL_EM_STEEL_EXIT_CLOSING,
3999     EL_DC_STEELWALL_1_LEFT,
4000     EL_DC_STEELWALL_1_RIGHT,
4001     EL_DC_STEELWALL_1_TOP,
4002     EL_DC_STEELWALL_1_BOTTOM,
4003     EL_DC_STEELWALL_1_HORIZONTAL,
4004     EL_DC_STEELWALL_1_VERTICAL,
4005     EL_DC_STEELWALL_1_TOPLEFT,
4006     EL_DC_STEELWALL_1_TOPRIGHT,
4007     EL_DC_STEELWALL_1_BOTTOMLEFT,
4008     EL_DC_STEELWALL_1_BOTTOMRIGHT,
4009     EL_DC_STEELWALL_1_TOPLEFT_2,
4010     EL_DC_STEELWALL_1_TOPRIGHT_2,
4011     EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4012     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4013     EL_DC_STEELWALL_2_LEFT,
4014     EL_DC_STEELWALL_2_RIGHT,
4015     EL_DC_STEELWALL_2_TOP,
4016     EL_DC_STEELWALL_2_BOTTOM,
4017     EL_DC_STEELWALL_2_HORIZONTAL,
4018     EL_DC_STEELWALL_2_VERTICAL,
4019     EL_DC_STEELWALL_2_MIDDLE,
4020     EL_DC_STEELWALL_2_SINGLE,
4021     EL_STEELWALL_SLIPPERY,
4022     EL_EMC_STEELWALL_1,
4023     EL_EMC_STEELWALL_2,
4024     EL_EMC_STEELWALL_3,
4025     EL_EMC_STEELWALL_4,
4026     EL_CRYSTAL,
4027     EL_GATE_1,
4028     EL_GATE_2,
4029     EL_GATE_3,
4030     EL_GATE_4,
4031     EL_GATE_1_GRAY,
4032     EL_GATE_2_GRAY,
4033     EL_GATE_3_GRAY,
4034     EL_GATE_4_GRAY,
4035     EL_GATE_1_GRAY_ACTIVE,
4036     EL_GATE_2_GRAY_ACTIVE,
4037     EL_GATE_3_GRAY_ACTIVE,
4038     EL_GATE_4_GRAY_ACTIVE,
4039     EL_EM_GATE_1,
4040     EL_EM_GATE_2,
4041     EL_EM_GATE_3,
4042     EL_EM_GATE_4,
4043     EL_EM_GATE_1_GRAY,
4044     EL_EM_GATE_2_GRAY,
4045     EL_EM_GATE_3_GRAY,
4046     EL_EM_GATE_4_GRAY,
4047     EL_EM_GATE_1_GRAY_ACTIVE,
4048     EL_EM_GATE_2_GRAY_ACTIVE,
4049     EL_EM_GATE_3_GRAY_ACTIVE,
4050     EL_EM_GATE_4_GRAY_ACTIVE,
4051     EL_EMC_GATE_5,
4052     EL_EMC_GATE_6,
4053     EL_EMC_GATE_7,
4054     EL_EMC_GATE_8,
4055     EL_EMC_GATE_5_GRAY,
4056     EL_EMC_GATE_6_GRAY,
4057     EL_EMC_GATE_7_GRAY,
4058     EL_EMC_GATE_8_GRAY,
4059     EL_EMC_GATE_5_GRAY_ACTIVE,
4060     EL_EMC_GATE_6_GRAY_ACTIVE,
4061     EL_EMC_GATE_7_GRAY_ACTIVE,
4062     EL_EMC_GATE_8_GRAY_ACTIVE,
4063     EL_DC_GATE_WHITE,
4064     EL_DC_GATE_WHITE_GRAY,
4065     EL_DC_GATE_WHITE_GRAY_ACTIVE,
4066     EL_DC_GATE_FAKE_GRAY,
4067     EL_SWITCHGATE_OPEN,
4068     EL_SWITCHGATE_OPENING,
4069     EL_SWITCHGATE_CLOSED,
4070     EL_SWITCHGATE_CLOSING,
4071     EL_DC_SWITCHGATE_SWITCH_UP,
4072     EL_DC_SWITCHGATE_SWITCH_DOWN,
4073     EL_TIMEGATE_OPEN,
4074     EL_TIMEGATE_OPENING,
4075     EL_TIMEGATE_CLOSED,
4076     EL_TIMEGATE_CLOSING,
4077     EL_DC_TIMEGATE_SWITCH,
4078     EL_DC_TIMEGATE_SWITCH_ACTIVE,
4079     EL_TUBE_ANY,
4080     EL_TUBE_VERTICAL,
4081     EL_TUBE_HORIZONTAL,
4082     EL_TUBE_VERTICAL_LEFT,
4083     EL_TUBE_VERTICAL_RIGHT,
4084     EL_TUBE_HORIZONTAL_UP,
4085     EL_TUBE_HORIZONTAL_DOWN,
4086     EL_TUBE_LEFT_UP,
4087     EL_TUBE_LEFT_DOWN,
4088     EL_TUBE_RIGHT_UP,
4089     EL_TUBE_RIGHT_DOWN,
4090     EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4091     EL_EXPANDABLE_STEELWALL_VERTICAL,
4092     EL_EXPANDABLE_STEELWALL_ANY,
4093
4094     -1
4095   };
4096
4097   static int ep_classic_enemy[] =
4098   {
4099     EL_BUG,
4100     EL_SPACESHIP,
4101     EL_BD_BUTTERFLY,
4102     EL_BD_FIREFLY,
4103
4104     EL_YAMYAM,
4105     EL_DARK_YAMYAM,
4106     EL_ROBOT,
4107     EL_PACMAN,
4108     EL_SP_SNIKSNAK,
4109     EL_SP_ELECTRON,
4110
4111     -1
4112   };
4113
4114   static int ep_belt[] =
4115   {
4116     EL_CONVEYOR_BELT_1_LEFT,
4117     EL_CONVEYOR_BELT_1_MIDDLE,
4118     EL_CONVEYOR_BELT_1_RIGHT,
4119     EL_CONVEYOR_BELT_2_LEFT,
4120     EL_CONVEYOR_BELT_2_MIDDLE,
4121     EL_CONVEYOR_BELT_2_RIGHT,
4122     EL_CONVEYOR_BELT_3_LEFT,
4123     EL_CONVEYOR_BELT_3_MIDDLE,
4124     EL_CONVEYOR_BELT_3_RIGHT,
4125     EL_CONVEYOR_BELT_4_LEFT,
4126     EL_CONVEYOR_BELT_4_MIDDLE,
4127     EL_CONVEYOR_BELT_4_RIGHT,
4128
4129     -1
4130   };
4131
4132   static int ep_belt_active[] =
4133   {
4134     EL_CONVEYOR_BELT_1_LEFT_ACTIVE,
4135     EL_CONVEYOR_BELT_1_MIDDLE_ACTIVE,
4136     EL_CONVEYOR_BELT_1_RIGHT_ACTIVE,
4137     EL_CONVEYOR_BELT_2_LEFT_ACTIVE,
4138     EL_CONVEYOR_BELT_2_MIDDLE_ACTIVE,
4139     EL_CONVEYOR_BELT_2_RIGHT_ACTIVE,
4140     EL_CONVEYOR_BELT_3_LEFT_ACTIVE,
4141     EL_CONVEYOR_BELT_3_MIDDLE_ACTIVE,
4142     EL_CONVEYOR_BELT_3_RIGHT_ACTIVE,
4143     EL_CONVEYOR_BELT_4_LEFT_ACTIVE,
4144     EL_CONVEYOR_BELT_4_MIDDLE_ACTIVE,
4145     EL_CONVEYOR_BELT_4_RIGHT_ACTIVE,
4146
4147     -1
4148   };
4149
4150   static int ep_belt_switch[] =
4151   {
4152     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4153     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4154     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4155     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4156     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4157     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4158     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4159     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4160     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4161     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4162     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4163     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4164
4165     -1
4166   };
4167
4168   static int ep_tube[] =
4169   {
4170     EL_TUBE_LEFT_UP,
4171     EL_TUBE_LEFT_DOWN,
4172     EL_TUBE_RIGHT_UP,
4173     EL_TUBE_RIGHT_DOWN,
4174     EL_TUBE_HORIZONTAL,
4175     EL_TUBE_HORIZONTAL_UP,
4176     EL_TUBE_HORIZONTAL_DOWN,
4177     EL_TUBE_VERTICAL,
4178     EL_TUBE_VERTICAL_LEFT,
4179     EL_TUBE_VERTICAL_RIGHT,
4180     EL_TUBE_ANY,
4181
4182     -1
4183   };
4184
4185   static int ep_acid_pool[] =
4186   {
4187     EL_ACID_POOL_TOPLEFT,
4188     EL_ACID_POOL_TOPRIGHT,
4189     EL_ACID_POOL_BOTTOMLEFT,
4190     EL_ACID_POOL_BOTTOM,
4191     EL_ACID_POOL_BOTTOMRIGHT,
4192
4193     -1
4194   };
4195
4196   static int ep_keygate[] =
4197   {
4198     EL_GATE_1,
4199     EL_GATE_2,
4200     EL_GATE_3,
4201     EL_GATE_4,
4202     EL_GATE_1_GRAY,
4203     EL_GATE_2_GRAY,
4204     EL_GATE_3_GRAY,
4205     EL_GATE_4_GRAY,
4206     EL_GATE_1_GRAY_ACTIVE,
4207     EL_GATE_2_GRAY_ACTIVE,
4208     EL_GATE_3_GRAY_ACTIVE,
4209     EL_GATE_4_GRAY_ACTIVE,
4210     EL_EM_GATE_1,
4211     EL_EM_GATE_2,
4212     EL_EM_GATE_3,
4213     EL_EM_GATE_4,
4214     EL_EM_GATE_1_GRAY,
4215     EL_EM_GATE_2_GRAY,
4216     EL_EM_GATE_3_GRAY,
4217     EL_EM_GATE_4_GRAY,
4218     EL_EM_GATE_1_GRAY_ACTIVE,
4219     EL_EM_GATE_2_GRAY_ACTIVE,
4220     EL_EM_GATE_3_GRAY_ACTIVE,
4221     EL_EM_GATE_4_GRAY_ACTIVE,
4222     EL_EMC_GATE_5,
4223     EL_EMC_GATE_6,
4224     EL_EMC_GATE_7,
4225     EL_EMC_GATE_8,
4226     EL_EMC_GATE_5_GRAY,
4227     EL_EMC_GATE_6_GRAY,
4228     EL_EMC_GATE_7_GRAY,
4229     EL_EMC_GATE_8_GRAY,
4230     EL_EMC_GATE_5_GRAY_ACTIVE,
4231     EL_EMC_GATE_6_GRAY_ACTIVE,
4232     EL_EMC_GATE_7_GRAY_ACTIVE,
4233     EL_EMC_GATE_8_GRAY_ACTIVE,
4234     EL_DC_GATE_WHITE,
4235     EL_DC_GATE_WHITE_GRAY,
4236     EL_DC_GATE_WHITE_GRAY_ACTIVE,
4237
4238     -1
4239   };
4240
4241   static int ep_amoeboid[] =
4242   {
4243     EL_AMOEBA_DEAD,
4244     EL_AMOEBA_WET,
4245     EL_AMOEBA_DRY,
4246     EL_AMOEBA_FULL,
4247     EL_BD_AMOEBA,
4248     EL_EMC_DRIPPER,
4249
4250     -1
4251   };
4252
4253   static int ep_amoebalive[] =
4254   {
4255     EL_AMOEBA_WET,
4256     EL_AMOEBA_DRY,
4257     EL_AMOEBA_FULL,
4258     EL_BD_AMOEBA,
4259     EL_EMC_DRIPPER,
4260
4261     -1
4262   };
4263
4264   static int ep_has_editor_content[] =
4265   {
4266     EL_PLAYER_1,
4267     EL_PLAYER_2,
4268     EL_PLAYER_3,
4269     EL_PLAYER_4,
4270     EL_SOKOBAN_FIELD_PLAYER,
4271     EL_SP_MURPHY,
4272     EL_YAMYAM,
4273     EL_YAMYAM_LEFT,
4274     EL_YAMYAM_RIGHT,
4275     EL_YAMYAM_UP,
4276     EL_YAMYAM_DOWN,
4277     EL_AMOEBA_WET,
4278     EL_AMOEBA_DRY,
4279     EL_AMOEBA_FULL,
4280     EL_BD_AMOEBA,
4281     EL_BD_AMOEBA_2,
4282     EL_BD_ACID,
4283     EL_BD_BITER,
4284     EL_BD_BITER_RIGHT,
4285     EL_BD_BITER_UP,
4286     EL_BD_BITER_LEFT,
4287     EL_BD_BITER_DOWN,
4288     EL_BD_BLADDER,
4289     EL_EMC_MAGIC_BALL,
4290     EL_EMC_ANDROID,
4291     EL_MM_GRAY_BALL,
4292
4293     -1
4294   };
4295
4296   static int ep_can_turn_each_move[] =
4297   {
4298     // !!! do something with this one !!!
4299     -1
4300   };
4301
4302   static int ep_can_grow[] =
4303   {
4304     EL_BD_AMOEBA,
4305     EL_AMOEBA_DROP,
4306     EL_AMOEBA_WET,
4307     EL_AMOEBA_DRY,
4308     EL_AMOEBA_FULL,
4309     EL_GAME_OF_LIFE,
4310     EL_BIOMAZE,
4311     EL_EMC_DRIPPER,
4312
4313     -1
4314   };
4315
4316   static int ep_active_bomb[] =
4317   {
4318     EL_DYNAMITE_ACTIVE,
4319     EL_EM_DYNAMITE_ACTIVE,
4320     EL_DYNABOMB_PLAYER_1_ACTIVE,
4321     EL_DYNABOMB_PLAYER_2_ACTIVE,
4322     EL_DYNABOMB_PLAYER_3_ACTIVE,
4323     EL_DYNABOMB_PLAYER_4_ACTIVE,
4324     EL_SP_DISK_RED_ACTIVE,
4325
4326     -1
4327   };
4328
4329   static int ep_inactive[] =
4330   {
4331     EL_EMPTY,
4332     EL_EMPTY_SPACE_1,
4333     EL_EMPTY_SPACE_2,
4334     EL_EMPTY_SPACE_3,
4335     EL_EMPTY_SPACE_4,
4336     EL_EMPTY_SPACE_5,
4337     EL_EMPTY_SPACE_6,
4338     EL_EMPTY_SPACE_7,
4339     EL_EMPTY_SPACE_8,
4340     EL_EMPTY_SPACE_9,
4341     EL_EMPTY_SPACE_10,
4342     EL_EMPTY_SPACE_11,
4343     EL_EMPTY_SPACE_12,
4344     EL_EMPTY_SPACE_13,
4345     EL_EMPTY_SPACE_14,
4346     EL_EMPTY_SPACE_15,
4347     EL_EMPTY_SPACE_16,
4348     EL_SAND,
4349     EL_WALL,
4350     EL_BD_WALL,
4351     EL_WALL_SLIPPERY,
4352     EL_STEELWALL,
4353     EL_AMOEBA_DEAD,
4354     EL_QUICKSAND_EMPTY,
4355     EL_QUICKSAND_FAST_EMPTY,
4356     EL_STONEBLOCK,
4357     EL_ROBOT_WHEEL,
4358     EL_KEY_1,
4359     EL_KEY_2,
4360     EL_KEY_3,
4361     EL_KEY_4,
4362     EL_EM_KEY_1,
4363     EL_EM_KEY_2,
4364     EL_EM_KEY_3,
4365     EL_EM_KEY_4,
4366     EL_EMC_KEY_5,
4367     EL_EMC_KEY_6,
4368     EL_EMC_KEY_7,
4369     EL_EMC_KEY_8,
4370     EL_GATE_1,
4371     EL_GATE_2,
4372     EL_GATE_3,
4373     EL_GATE_4,
4374     EL_GATE_1_GRAY,
4375     EL_GATE_2_GRAY,
4376     EL_GATE_3_GRAY,
4377     EL_GATE_4_GRAY,
4378     EL_GATE_1_GRAY_ACTIVE,
4379     EL_GATE_2_GRAY_ACTIVE,
4380     EL_GATE_3_GRAY_ACTIVE,
4381     EL_GATE_4_GRAY_ACTIVE,
4382     EL_EM_GATE_1,
4383     EL_EM_GATE_2,
4384     EL_EM_GATE_3,
4385     EL_EM_GATE_4,
4386     EL_EM_GATE_1_GRAY,
4387     EL_EM_GATE_2_GRAY,
4388     EL_EM_GATE_3_GRAY,
4389     EL_EM_GATE_4_GRAY,
4390     EL_EM_GATE_1_GRAY_ACTIVE,
4391     EL_EM_GATE_2_GRAY_ACTIVE,
4392     EL_EM_GATE_3_GRAY_ACTIVE,
4393     EL_EM_GATE_4_GRAY_ACTIVE,
4394     EL_EMC_GATE_5,
4395     EL_EMC_GATE_6,
4396     EL_EMC_GATE_7,
4397     EL_EMC_GATE_8,
4398     EL_EMC_GATE_5_GRAY,
4399     EL_EMC_GATE_6_GRAY,
4400     EL_EMC_GATE_7_GRAY,
4401     EL_EMC_GATE_8_GRAY,
4402     EL_EMC_GATE_5_GRAY_ACTIVE,
4403     EL_EMC_GATE_6_GRAY_ACTIVE,
4404     EL_EMC_GATE_7_GRAY_ACTIVE,
4405     EL_EMC_GATE_8_GRAY_ACTIVE,
4406     EL_DC_GATE_WHITE,
4407     EL_DC_GATE_WHITE_GRAY,
4408     EL_DC_GATE_WHITE_GRAY_ACTIVE,
4409     EL_DC_GATE_FAKE_GRAY,
4410     EL_DYNAMITE,
4411     EL_EM_DYNAMITE,
4412     EL_INVISIBLE_STEELWALL,
4413     EL_INVISIBLE_WALL,
4414     EL_INVISIBLE_SAND,
4415     EL_LAMP,
4416     EL_LAMP_ACTIVE,
4417     EL_WALL_EMERALD,
4418     EL_WALL_DIAMOND,
4419     EL_WALL_BD_DIAMOND,
4420     EL_WALL_EMERALD_YELLOW,
4421     EL_DYNABOMB_INCREASE_NUMBER,
4422     EL_DYNABOMB_INCREASE_SIZE,
4423     EL_DYNABOMB_INCREASE_POWER,
4424 #if 0
4425     EL_SOKOBAN_OBJECT,
4426 #endif
4427     EL_SOKOBAN_FIELD_EMPTY,
4428     EL_SOKOBAN_FIELD_FULL,
4429     EL_WALL_EMERALD_RED,
4430     EL_WALL_EMERALD_PURPLE,
4431     EL_ACID_POOL_TOPLEFT,
4432     EL_ACID_POOL_TOPRIGHT,
4433     EL_ACID_POOL_BOTTOMLEFT,
4434     EL_ACID_POOL_BOTTOM,
4435     EL_ACID_POOL_BOTTOMRIGHT,
4436     EL_MAGIC_WALL,
4437     EL_MAGIC_WALL_DEAD,
4438     EL_BD_MAGIC_WALL,
4439     EL_BD_MAGIC_WALL_DEAD,
4440     EL_DC_MAGIC_WALL,
4441     EL_DC_MAGIC_WALL_DEAD,
4442     EL_AMOEBA_TO_DIAMOND,
4443     EL_BLOCKED,
4444     EL_SP_EMPTY,
4445     EL_SP_BASE,
4446     EL_SP_PORT_RIGHT,
4447     EL_SP_PORT_DOWN,
4448     EL_SP_PORT_LEFT,
4449     EL_SP_PORT_UP,
4450     EL_SP_GRAVITY_PORT_RIGHT,
4451     EL_SP_GRAVITY_PORT_DOWN,
4452     EL_SP_GRAVITY_PORT_LEFT,
4453     EL_SP_GRAVITY_PORT_UP,
4454     EL_SP_PORT_HORIZONTAL,
4455     EL_SP_PORT_VERTICAL,
4456     EL_SP_PORT_ANY,
4457     EL_SP_DISK_RED,
4458 #if 0
4459     EL_SP_DISK_YELLOW,
4460 #endif
4461     EL_SP_CHIP_SINGLE,
4462     EL_SP_CHIP_LEFT,
4463     EL_SP_CHIP_RIGHT,
4464     EL_SP_CHIP_TOP,
4465     EL_SP_CHIP_BOTTOM,
4466     EL_SP_HARDWARE_GRAY,
4467     EL_SP_HARDWARE_GREEN,
4468     EL_SP_HARDWARE_BLUE,
4469     EL_SP_HARDWARE_RED,
4470     EL_SP_HARDWARE_YELLOW,
4471     EL_SP_HARDWARE_BASE_1,
4472     EL_SP_HARDWARE_BASE_2,
4473     EL_SP_HARDWARE_BASE_3,
4474     EL_SP_HARDWARE_BASE_4,
4475     EL_SP_HARDWARE_BASE_5,
4476     EL_SP_HARDWARE_BASE_6,
4477     EL_SP_GRAVITY_ON_PORT_LEFT,
4478     EL_SP_GRAVITY_ON_PORT_RIGHT,
4479     EL_SP_GRAVITY_ON_PORT_UP,
4480     EL_SP_GRAVITY_ON_PORT_DOWN,
4481     EL_SP_GRAVITY_OFF_PORT_LEFT,
4482     EL_SP_GRAVITY_OFF_PORT_RIGHT,
4483     EL_SP_GRAVITY_OFF_PORT_UP,
4484     EL_SP_GRAVITY_OFF_PORT_DOWN,
4485     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4486     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4487     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4488     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4489     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4490     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4491     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4492     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4493     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4494     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4495     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4496     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4497     EL_SIGN_EXCLAMATION,
4498     EL_SIGN_RADIOACTIVITY,
4499     EL_SIGN_STOP,
4500     EL_SIGN_WHEELCHAIR,
4501     EL_SIGN_PARKING,
4502     EL_SIGN_NO_ENTRY,
4503     EL_SIGN_UNUSED_1,
4504     EL_SIGN_GIVE_WAY,
4505     EL_SIGN_ENTRY_FORBIDDEN,
4506     EL_SIGN_EMERGENCY_EXIT,
4507     EL_SIGN_YIN_YANG,
4508     EL_SIGN_UNUSED_2,
4509     EL_SIGN_SPERMS,
4510     EL_SIGN_BULLET,
4511     EL_SIGN_HEART,
4512     EL_SIGN_CROSS,
4513     EL_SIGN_FRANKIE,
4514     EL_DC_STEELWALL_1_LEFT,
4515     EL_DC_STEELWALL_1_RIGHT,
4516     EL_DC_STEELWALL_1_TOP,
4517     EL_DC_STEELWALL_1_BOTTOM,
4518     EL_DC_STEELWALL_1_HORIZONTAL,
4519     EL_DC_STEELWALL_1_VERTICAL,
4520     EL_DC_STEELWALL_1_TOPLEFT,
4521     EL_DC_STEELWALL_1_TOPRIGHT,
4522     EL_DC_STEELWALL_1_BOTTOMLEFT,
4523     EL_DC_STEELWALL_1_BOTTOMRIGHT,
4524     EL_DC_STEELWALL_1_TOPLEFT_2,
4525     EL_DC_STEELWALL_1_TOPRIGHT_2,
4526     EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4527     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4528     EL_DC_STEELWALL_2_LEFT,
4529     EL_DC_STEELWALL_2_RIGHT,
4530     EL_DC_STEELWALL_2_TOP,
4531     EL_DC_STEELWALL_2_BOTTOM,
4532     EL_DC_STEELWALL_2_HORIZONTAL,
4533     EL_DC_STEELWALL_2_VERTICAL,
4534     EL_DC_STEELWALL_2_MIDDLE,
4535     EL_DC_STEELWALL_2_SINGLE,
4536     EL_STEELWALL_SLIPPERY,
4537     EL_EMC_STEELWALL_1,
4538     EL_EMC_STEELWALL_2,
4539     EL_EMC_STEELWALL_3,
4540     EL_EMC_STEELWALL_4,
4541     EL_EMC_WALL_SLIPPERY_1,
4542     EL_EMC_WALL_SLIPPERY_2,
4543     EL_EMC_WALL_SLIPPERY_3,
4544     EL_EMC_WALL_SLIPPERY_4,
4545     EL_EMC_WALL_1,
4546     EL_EMC_WALL_2,
4547     EL_EMC_WALL_3,
4548     EL_EMC_WALL_4,
4549     EL_EMC_WALL_5,
4550     EL_EMC_WALL_6,
4551     EL_EMC_WALL_7,
4552     EL_EMC_WALL_8,
4553     EL_EMC_WALL_9,
4554     EL_EMC_WALL_10,
4555     EL_EMC_WALL_11,
4556     EL_EMC_WALL_12,
4557     EL_EMC_WALL_13,
4558     EL_EMC_WALL_14,
4559     EL_EMC_WALL_15,
4560     EL_EMC_WALL_16,
4561
4562     -1
4563   };
4564
4565   static int ep_em_slippery_wall[] =
4566   {
4567     -1
4568   };
4569
4570   static int ep_gfx_crumbled[] =
4571   {
4572     EL_SAND,
4573     EL_LANDMINE,
4574     EL_DC_LANDMINE,
4575     EL_TRAP,
4576     EL_TRAP_ACTIVE,
4577
4578     -1
4579   };
4580
4581   static int ep_editor_cascade_active[] =
4582   {
4583     EL_INTERNAL_CASCADE_BD_ACTIVE,
4584     EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
4585     EL_INTERNAL_CASCADE_EM_ACTIVE,
4586     EL_INTERNAL_CASCADE_EMC_ACTIVE,
4587     EL_INTERNAL_CASCADE_RND_ACTIVE,
4588     EL_INTERNAL_CASCADE_SB_ACTIVE,
4589     EL_INTERNAL_CASCADE_SP_ACTIVE,
4590     EL_INTERNAL_CASCADE_DC_ACTIVE,
4591     EL_INTERNAL_CASCADE_DX_ACTIVE,
4592     EL_INTERNAL_CASCADE_MM_ACTIVE,
4593     EL_INTERNAL_CASCADE_DF_ACTIVE,
4594     EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4595     EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4596     EL_INTERNAL_CASCADE_CE_ACTIVE,
4597     EL_INTERNAL_CASCADE_GE_ACTIVE,
4598     EL_INTERNAL_CASCADE_ES_ACTIVE,
4599     EL_INTERNAL_CASCADE_REF_ACTIVE,
4600     EL_INTERNAL_CASCADE_USER_ACTIVE,
4601     EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
4602
4603     -1
4604   };
4605
4606   static int ep_editor_cascade_inactive[] =
4607   {
4608     EL_INTERNAL_CASCADE_BD,
4609     EL_INTERNAL_CASCADE_BD_NATIVE,
4610     EL_INTERNAL_CASCADE_EM,
4611     EL_INTERNAL_CASCADE_EMC,
4612     EL_INTERNAL_CASCADE_RND,
4613     EL_INTERNAL_CASCADE_SB,
4614     EL_INTERNAL_CASCADE_SP,
4615     EL_INTERNAL_CASCADE_DC,
4616     EL_INTERNAL_CASCADE_DX,
4617     EL_INTERNAL_CASCADE_MM,
4618     EL_INTERNAL_CASCADE_DF,
4619     EL_INTERNAL_CASCADE_CHARS,
4620     EL_INTERNAL_CASCADE_STEEL_CHARS,
4621     EL_INTERNAL_CASCADE_CE,
4622     EL_INTERNAL_CASCADE_GE,
4623     EL_INTERNAL_CASCADE_ES,
4624     EL_INTERNAL_CASCADE_REF,
4625     EL_INTERNAL_CASCADE_USER,
4626     EL_INTERNAL_CASCADE_DYNAMIC,
4627
4628     -1
4629   };
4630
4631   static int ep_obsolete[] =
4632   {
4633     EL_PLAYER_OBSOLETE,
4634     EL_KEY_OBSOLETE,
4635     EL_EM_KEY_1_FILE_OBSOLETE,
4636     EL_EM_KEY_2_FILE_OBSOLETE,
4637     EL_EM_KEY_3_FILE_OBSOLETE,
4638     EL_EM_KEY_4_FILE_OBSOLETE,
4639     EL_ENVELOPE_OBSOLETE,
4640
4641     -1
4642   };
4643
4644   static struct
4645   {
4646     int *elements;
4647     int property;
4648   } element_properties[] =
4649   {
4650     { ep_diggable,                      EP_DIGGABLE                     },
4651     { ep_collectible_only,              EP_COLLECTIBLE_ONLY             },
4652     { ep_dont_run_into,                 EP_DONT_RUN_INTO                },
4653     { ep_dont_collide_with,             EP_DONT_COLLIDE_WITH            },
4654     { ep_dont_touch,                    EP_DONT_TOUCH                   },
4655     { ep_indestructible,                EP_INDESTRUCTIBLE               },
4656     { ep_slippery,                      EP_SLIPPERY                     },
4657     { ep_can_change,                    EP_CAN_CHANGE                   },
4658     { ep_can_move,                      EP_CAN_MOVE                     },
4659     { ep_can_fall,                      EP_CAN_FALL                     },
4660     { ep_can_smash_player,              EP_CAN_SMASH_PLAYER             },
4661     { ep_can_smash_enemies,             EP_CAN_SMASH_ENEMIES            },
4662     { ep_can_smash_everything,          EP_CAN_SMASH_EVERYTHING         },
4663     { ep_explodes_by_fire,              EP_EXPLODES_BY_FIRE             },
4664     { ep_explodes_smashed,              EP_EXPLODES_SMASHED             },
4665     { ep_explodes_impact,               EP_EXPLODES_IMPACT              },
4666     { ep_walkable_over,                 EP_WALKABLE_OVER                },
4667     { ep_walkable_inside,               EP_WALKABLE_INSIDE              },
4668     { ep_walkable_under,                EP_WALKABLE_UNDER               },
4669     { ep_passable_over,                 EP_PASSABLE_OVER                },
4670     { ep_passable_inside,               EP_PASSABLE_INSIDE              },
4671     { ep_passable_under,                EP_PASSABLE_UNDER               },
4672     { ep_droppable,                     EP_DROPPABLE                    },
4673     { ep_explodes_1x1_old,              EP_EXPLODES_1X1_OLD             },
4674     { ep_pushable,                      EP_PUSHABLE                     },
4675     { ep_explodes_cross_old,            EP_EXPLODES_CROSS_OLD           },
4676     { ep_protected,                     EP_PROTECTED                    },
4677     { ep_throwable,                     EP_THROWABLE                    },
4678     { ep_can_explode,                   EP_CAN_EXPLODE                  },
4679     { ep_gravity_reachable,             EP_GRAVITY_REACHABLE            },
4680
4681     { ep_empty_space,                   EP_EMPTY_SPACE                  },
4682     { ep_player,                        EP_PLAYER                       },
4683     { ep_can_pass_magic_wall,           EP_CAN_PASS_MAGIC_WALL          },
4684     { ep_can_pass_dc_magic_wall,        EP_CAN_PASS_DC_MAGIC_WALL       },
4685     { ep_switchable,                    EP_SWITCHABLE                   },
4686     { ep_bd_element,                    EP_BD_ELEMENT                   },
4687     { ep_sp_element,                    EP_SP_ELEMENT                   },
4688     { ep_sb_element,                    EP_SB_ELEMENT                   },
4689     { ep_gem,                           EP_GEM                          },
4690     { ep_food_dark_yamyam,              EP_FOOD_DARK_YAMYAM             },
4691     { ep_food_penguin,                  EP_FOOD_PENGUIN                 },
4692     { ep_food_pig,                      EP_FOOD_PIG                     },
4693     { ep_historic_wall,                 EP_HISTORIC_WALL                },
4694     { ep_historic_solid,                EP_HISTORIC_SOLID               },
4695     { ep_classic_enemy,                 EP_CLASSIC_ENEMY                },
4696     { ep_belt,                          EP_BELT                         },
4697     { ep_belt_active,                   EP_BELT_ACTIVE                  },
4698     { ep_belt_switch,                   EP_BELT_SWITCH                  },
4699     { ep_tube,                          EP_TUBE                         },
4700     { ep_acid_pool,                     EP_ACID_POOL                    },
4701     { ep_keygate,                       EP_KEYGATE                      },
4702     { ep_amoeboid,                      EP_AMOEBOID                     },
4703     { ep_amoebalive,                    EP_AMOEBALIVE                   },
4704     { ep_has_editor_content,            EP_HAS_EDITOR_CONTENT           },
4705     { ep_can_turn_each_move,            EP_CAN_TURN_EACH_MOVE           },
4706     { ep_can_grow,                      EP_CAN_GROW                     },
4707     { ep_active_bomb,                   EP_ACTIVE_BOMB                  },
4708     { ep_inactive,                      EP_INACTIVE                     },
4709
4710     { ep_em_slippery_wall,              EP_EM_SLIPPERY_WALL             },
4711
4712     { ep_gfx_crumbled,                  EP_GFX_CRUMBLED                 },
4713
4714     { ep_editor_cascade_active,         EP_EDITOR_CASCADE_ACTIVE        },
4715     { ep_editor_cascade_inactive,       EP_EDITOR_CASCADE_INACTIVE      },
4716
4717     { ep_obsolete,                      EP_OBSOLETE                     },
4718
4719     { NULL,                             -1                              }
4720   };
4721
4722   int i, j, k;
4723
4724   // always start with reliable default values (element has no properties)
4725   // (but never initialize clipboard elements after the very first time)
4726   // (to be able to use clipboard elements between several levels)
4727   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
4728     if (!IS_CLIPBOARD_ELEMENT(i) || !clipboard_elements_initialized)
4729       for (j = 0; j < NUM_ELEMENT_PROPERTIES; j++)
4730         SET_PROPERTY(i, j, FALSE);
4731
4732   // set all base element properties from above array definitions
4733   for (i = 0; element_properties[i].elements != NULL; i++)
4734     for (j = 0; (element_properties[i].elements)[j] != -1; j++)
4735       SET_PROPERTY((element_properties[i].elements)[j],
4736                    element_properties[i].property, TRUE);
4737
4738   // copy properties to some elements that are only stored in level file
4739   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
4740     for (j = 0; copy_properties[j][0] != -1; j++)
4741       if (HAS_PROPERTY(copy_properties[j][0], i))
4742         for (k = 1; k <= 4; k++)
4743           SET_PROPERTY(copy_properties[j][k], i, TRUE);
4744
4745   // set static element properties that are not listed in array definitions
4746   for (i = EL_STEEL_CHAR_START; i <= EL_STEEL_CHAR_END; i++)
4747     SET_PROPERTY(i, EP_INDESTRUCTIBLE, TRUE);
4748
4749   clipboard_elements_initialized = TRUE;
4750 }
4751
4752 void InitElementPropertiesEngine(int engine_version)
4753 {
4754   static int no_wall_properties[] =
4755   {
4756     EP_DIGGABLE,
4757     EP_COLLECTIBLE_ONLY,
4758     EP_DONT_RUN_INTO,
4759     EP_DONT_COLLIDE_WITH,
4760     EP_CAN_MOVE,
4761     EP_CAN_FALL,
4762     EP_CAN_SMASH_PLAYER,
4763     EP_CAN_SMASH_ENEMIES,
4764     EP_CAN_SMASH_EVERYTHING,
4765     EP_PUSHABLE,
4766
4767     EP_PLAYER,
4768     EP_GEM,
4769     EP_FOOD_DARK_YAMYAM,
4770     EP_FOOD_PENGUIN,
4771     EP_BELT,
4772     EP_BELT_ACTIVE,
4773     EP_TUBE,
4774     EP_AMOEBOID,
4775     EP_AMOEBALIVE,
4776     EP_ACTIVE_BOMB,
4777
4778     EP_ACCESSIBLE,
4779
4780     -1
4781   };
4782
4783   int i, j;
4784
4785   /* important: after initialization in InitElementPropertiesStatic(), the
4786      elements are not again initialized to a default value; therefore all
4787      changes have to make sure that they leave the element with a defined
4788      property (which means that conditional property changes must be set to
4789      a reliable default value before) */
4790
4791   // resolve group elements
4792   for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
4793     ResolveGroupElement(EL_GROUP_START + i);
4794
4795   // set all special, combined or engine dependent element properties
4796   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
4797   {
4798     // do not change (already initialized) clipboard elements here
4799     if (IS_CLIPBOARD_ELEMENT(i))
4800       continue;
4801
4802     // ---------- INACTIVE ----------------------------------------------------
4803     SET_PROPERTY(i, EP_INACTIVE, ((i >= EL_CHAR_START &&
4804                                    i <= EL_CHAR_END) ||
4805                                   (i >= EL_STEEL_CHAR_START &&
4806                                    i <= EL_STEEL_CHAR_END)));
4807
4808     // ---------- WALKABLE, PASSABLE, ACCESSIBLE ------------------------------
4809     SET_PROPERTY(i, EP_WALKABLE, (IS_WALKABLE_OVER(i) ||
4810                                   IS_WALKABLE_INSIDE(i) ||
4811                                   IS_WALKABLE_UNDER(i)));
4812
4813     SET_PROPERTY(i, EP_PASSABLE, (IS_PASSABLE_OVER(i) ||
4814                                   IS_PASSABLE_INSIDE(i) ||
4815                                   IS_PASSABLE_UNDER(i)));
4816
4817     SET_PROPERTY(i, EP_ACCESSIBLE_OVER, (IS_WALKABLE_OVER(i) ||
4818                                          IS_PASSABLE_OVER(i)));
4819
4820     SET_PROPERTY(i, EP_ACCESSIBLE_INSIDE, (IS_WALKABLE_INSIDE(i) ||
4821                                            IS_PASSABLE_INSIDE(i)));
4822
4823     SET_PROPERTY(i, EP_ACCESSIBLE_UNDER, (IS_WALKABLE_UNDER(i) ||
4824                                           IS_PASSABLE_UNDER(i)));
4825
4826     SET_PROPERTY(i, EP_ACCESSIBLE, (IS_WALKABLE(i) ||
4827                                     IS_PASSABLE(i)));
4828
4829     // ---------- COLLECTIBLE -------------------------------------------------
4830     SET_PROPERTY(i, EP_COLLECTIBLE, (IS_COLLECTIBLE_ONLY(i) ||
4831                                      IS_DROPPABLE(i) ||
4832                                      IS_THROWABLE(i)));
4833
4834     // ---------- SNAPPABLE ---------------------------------------------------
4835     SET_PROPERTY(i, EP_SNAPPABLE, (IS_DIGGABLE(i) ||
4836                                    IS_COLLECTIBLE(i) ||
4837                                    IS_SWITCHABLE(i) ||
4838                                    i == EL_BD_ROCK));
4839
4840     // ---------- WALL --------------------------------------------------------
4841     SET_PROPERTY(i, EP_WALL, TRUE);     // default: element is wall
4842
4843     for (j = 0; no_wall_properties[j] != -1; j++)
4844       if (HAS_PROPERTY(i, no_wall_properties[j]) ||
4845           i >= EL_FIRST_RUNTIME_UNREAL)
4846         SET_PROPERTY(i, EP_WALL, FALSE);
4847
4848     if (IS_HISTORIC_WALL(i))
4849       SET_PROPERTY(i, EP_WALL, TRUE);
4850
4851     // ---------- SOLID_FOR_PUSHING -------------------------------------------
4852     if (engine_version < VERSION_IDENT(2,2,0,0))
4853       SET_PROPERTY(i, EP_SOLID_FOR_PUSHING, IS_HISTORIC_SOLID(i));
4854     else
4855       SET_PROPERTY(i, EP_SOLID_FOR_PUSHING, (!IS_WALKABLE(i) &&
4856                                              !IS_DIGGABLE(i) &&
4857                                              !IS_COLLECTIBLE(i)));
4858
4859     // ---------- DRAGONFIRE_PROOF --------------------------------------------
4860     if (IS_HISTORIC_SOLID(i) || i == EL_EXPLOSION)
4861       SET_PROPERTY(i, EP_DRAGONFIRE_PROOF, TRUE);
4862     else
4863       SET_PROPERTY(i, EP_DRAGONFIRE_PROOF, (IS_INDESTRUCTIBLE(i) &&
4864                                             i != EL_ACID));
4865
4866     // ---------- EXPLOSION_PROOF ---------------------------------------------
4867     if (i == EL_FLAMES)
4868       SET_PROPERTY(i, EP_EXPLOSION_PROOF, TRUE);
4869     else if (engine_version < VERSION_IDENT(2,2,0,0))
4870       SET_PROPERTY(i, EP_EXPLOSION_PROOF, IS_INDESTRUCTIBLE(i));
4871     else
4872       SET_PROPERTY(i, EP_EXPLOSION_PROOF, (IS_INDESTRUCTIBLE(i) &&
4873                                            (!IS_WALKABLE(i) ||
4874                                             IS_PROTECTED(i))));
4875
4876     if (IS_CUSTOM_ELEMENT(i))
4877     {
4878       // these are additional properties which are initially false when set
4879
4880       // ---------- DONT_COLLIDE_WITH / DONT_RUN_INTO -------------------------
4881       if (DONT_TOUCH(i))
4882         SET_PROPERTY(i, EP_DONT_COLLIDE_WITH, TRUE);
4883       if (DONT_COLLIDE_WITH(i))
4884         SET_PROPERTY(i, EP_DONT_RUN_INTO, TRUE);
4885
4886       // ---------- CAN_SMASH_ENEMIES / CAN_SMASH_PLAYER ----------------------
4887       if (CAN_SMASH_EVERYTHING(i))
4888         SET_PROPERTY(i, EP_CAN_SMASH_ENEMIES, TRUE);
4889       if (CAN_SMASH_ENEMIES(i))
4890         SET_PROPERTY(i, EP_CAN_SMASH_PLAYER, TRUE);
4891     }
4892
4893     // ---------- CAN_SMASH ---------------------------------------------------
4894     SET_PROPERTY(i, EP_CAN_SMASH, (CAN_SMASH_PLAYER(i) ||
4895                                    CAN_SMASH_ENEMIES(i) ||
4896                                    CAN_SMASH_EVERYTHING(i)));
4897
4898     // ---------- CAN_EXPLODE_BY_FIRE -----------------------------------------
4899     SET_PROPERTY(i, EP_CAN_EXPLODE_BY_FIRE, (CAN_EXPLODE(i) &&
4900                                              EXPLODES_BY_FIRE(i)));
4901
4902     // ---------- CAN_EXPLODE_SMASHED -----------------------------------------
4903     SET_PROPERTY(i, EP_CAN_EXPLODE_SMASHED, (CAN_EXPLODE(i) &&
4904                                              EXPLODES_SMASHED(i)));
4905
4906     // ---------- CAN_EXPLODE_IMPACT ------------------------------------------
4907     SET_PROPERTY(i, EP_CAN_EXPLODE_IMPACT, (CAN_EXPLODE(i) &&
4908                                             EXPLODES_IMPACT(i)));
4909
4910     // ---------- CAN_EXPLODE_BY_DRAGONFIRE -----------------------------------
4911     SET_PROPERTY(i, EP_CAN_EXPLODE_BY_DRAGONFIRE, CAN_EXPLODE_BY_FIRE(i));
4912
4913     // ---------- CAN_EXPLODE_BY_EXPLOSION ------------------------------------
4914     SET_PROPERTY(i, EP_CAN_EXPLODE_BY_EXPLOSION, (CAN_EXPLODE_BY_FIRE(i) ||
4915                                                   i == EL_BLACK_ORB));
4916
4917     // ---------- COULD_MOVE_INTO_ACID ----------------------------------------
4918     SET_PROPERTY(i, EP_COULD_MOVE_INTO_ACID, (IS_PLAYER_ELEMENT(i) ||
4919                                               CAN_MOVE(i) ||
4920                                               IS_CUSTOM_ELEMENT(i)));
4921
4922     // ---------- MAYBE_DONT_COLLIDE_WITH -------------------------------------
4923     SET_PROPERTY(i, EP_MAYBE_DONT_COLLIDE_WITH, (i == EL_SP_SNIKSNAK ||
4924                                                  i == EL_SP_ELECTRON));
4925
4926     // ---------- CAN_MOVE_INTO_ACID ------------------------------------------
4927     if (COULD_MOVE_INTO_ACID(i) && !IS_CUSTOM_ELEMENT(i))
4928       SET_PROPERTY(i, EP_CAN_MOVE_INTO_ACID,
4929                    getMoveIntoAcidProperty(&level, i));
4930
4931     // ---------- DONT_COLLIDE_WITH -------------------------------------------
4932     if (MAYBE_DONT_COLLIDE_WITH(i))
4933       SET_PROPERTY(i, EP_DONT_COLLIDE_WITH,
4934                    getDontCollideWithProperty(&level, i));
4935
4936     // ---------- SP_PORT -----------------------------------------------------
4937     SET_PROPERTY(i, EP_SP_PORT, (IS_SP_ELEMENT(i) &&
4938                                  IS_PASSABLE_INSIDE(i)));
4939
4940     // ---------- CAN_BE_CLONED_BY_ANDROID ------------------------------------
4941     for (j = 0; j < level.num_android_clone_elements; j++)
4942       SET_PROPERTY(i, EP_CAN_BE_CLONED_BY_ANDROID,
4943                    (!IS_EMPTY(i) &&
4944                     IS_EQUAL_OR_IN_GROUP(i, level.android_clone_element[j])));
4945
4946     // ---------- CAN_CHANGE --------------------------------------------------
4947     SET_PROPERTY(i, EP_CAN_CHANGE, FALSE);      // default: cannot change
4948     for (j = 0; j < element_info[i].num_change_pages; j++)
4949       if (element_info[i].change_page[j].can_change)
4950         SET_PROPERTY(i, EP_CAN_CHANGE, TRUE);
4951
4952     // ---------- HAS_ACTION --------------------------------------------------
4953     SET_PROPERTY(i, EP_HAS_ACTION, FALSE);      // default: has no action
4954     for (j = 0; j < element_info[i].num_change_pages; j++)
4955       if (element_info[i].change_page[j].has_action)
4956         SET_PROPERTY(i, EP_HAS_ACTION, TRUE);
4957
4958     // ---------- CAN_CHANGE_OR_HAS_ACTION ------------------------------------
4959     SET_PROPERTY(i, EP_CAN_CHANGE_OR_HAS_ACTION, (CAN_CHANGE(i) ||
4960                                                   HAS_ACTION(i)));
4961
4962     // ---------- GFX_CRUMBLED ------------------------------------------------
4963     SET_PROPERTY(i, EP_GFX_CRUMBLED,
4964                  element_info[i].crumbled[ACTION_DEFAULT] !=
4965                  element_info[i].graphic[ACTION_DEFAULT]);
4966
4967     // ---------- EDITOR_CASCADE ----------------------------------------------
4968     SET_PROPERTY(i, EP_EDITOR_CASCADE, (IS_EDITOR_CASCADE_ACTIVE(i) ||
4969                                         IS_EDITOR_CASCADE_INACTIVE(i)));
4970   }
4971
4972   // dynamically adjust element properties according to game engine version
4973   {
4974     static int ep_em_slippery_wall[] =
4975     {
4976       EL_WALL,
4977       EL_STEELWALL,
4978       EL_EXPANDABLE_WALL,
4979       EL_EXPANDABLE_WALL_HORIZONTAL,
4980       EL_EXPANDABLE_WALL_VERTICAL,
4981       EL_EXPANDABLE_WALL_ANY,
4982       EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4983       EL_EXPANDABLE_STEELWALL_VERTICAL,
4984       EL_EXPANDABLE_STEELWALL_ANY,
4985       EL_EXPANDABLE_STEELWALL_GROWING,
4986       -1
4987     };
4988
4989     static int ep_em_explodes_by_fire[] =
4990     {
4991       EL_EM_DYNAMITE,
4992       EL_EM_DYNAMITE_ACTIVE,
4993       EL_MOLE,
4994       -1
4995     };
4996
4997     // special EM style gems behaviour
4998     for (i = 0; ep_em_slippery_wall[i] != -1; i++)
4999       SET_PROPERTY(ep_em_slippery_wall[i], EP_EM_SLIPPERY_WALL,
5000                    level.em_slippery_gems);
5001
5002     // "EL_EXPANDABLE_WALL_GROWING" wasn't slippery for EM gems in 2.0.1
5003     SET_PROPERTY(EL_EXPANDABLE_WALL_GROWING, EP_EM_SLIPPERY_WALL,
5004                  (level.em_slippery_gems &&
5005                   engine_version > VERSION_IDENT(2,0,1,0)));
5006
5007     // special EM style explosion behaviour regarding chain reactions
5008     for (i = 0; ep_em_explodes_by_fire[i] != -1; i++)
5009       SET_PROPERTY(ep_em_explodes_by_fire[i], EP_EXPLODES_BY_FIRE,
5010                    level.em_explodes_by_fire);
5011   }
5012
5013   // this is needed because some graphics depend on element properties
5014   if (game_status == GAME_MODE_PLAYING)
5015     InitElementGraphicInfo();
5016 }
5017
5018 void InitElementPropertiesGfxElement(void)
5019 {
5020   int i;
5021
5022   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
5023   {
5024     struct ElementInfo *ei = &element_info[i];
5025
5026     ei->gfx_element = (ei->use_gfx_element ? ei->gfx_element_initial : i);
5027   }
5028 }
5029
5030 static void InitGlobal(void)
5031 {
5032   int graphic;
5033   int i;
5034
5035   for (i = 0; i < MAX_NUM_ELEMENTS + 1; i++)
5036   {
5037     // check if element_name_info entry defined for each element in "main.h"
5038     if (i < MAX_NUM_ELEMENTS && element_name_info[i].token_name == NULL)
5039       Fail("undefined 'element_name_info' entry for element %d", i);
5040
5041     element_info[i].token_name = element_name_info[i].token_name;
5042     element_info[i].class_name = element_name_info[i].class_name;
5043     element_info[i].editor_description = element_name_info[i].editor_description;
5044   }
5045
5046   for (i = 0; i < NUM_GLOBAL_ANIM_TOKENS + 1; i++)
5047   {
5048     // check if global_anim_name_info defined for each entry in "main.h"
5049     if (i < NUM_GLOBAL_ANIM_TOKENS &&
5050         global_anim_name_info[i].token_name == NULL)
5051       Fail("undefined 'global_anim_name_info' entry for anim %d", i);
5052
5053     global_anim_info[i].token_name = global_anim_name_info[i].token_name;
5054   }
5055
5056   // create hash to store URLs for global animations
5057   anim_url_hash = newSetupFileHash();
5058
5059   // create hash from image config list
5060   image_config_hash = newSetupFileHash();
5061   for (i = 0; image_config[i].token != NULL; i++)
5062     setHashEntry(image_config_hash,
5063                  image_config[i].token,
5064                  image_config[i].value);
5065
5066   // create hash from sound config list
5067   sound_config_hash = newSetupFileHash();
5068   for (i = 0; sound_config[i].token != NULL; i++)
5069     setHashEntry(sound_config_hash,
5070                  sound_config[i].token,
5071                  sound_config[i].value);
5072
5073   // create hash from element token list
5074   element_token_hash = newSetupFileHash();
5075   for (i = 0; element_name_info[i].token_name != NULL; i++)
5076     setHashEntry(element_token_hash,
5077                  element_name_info[i].token_name,
5078                  int2str(i, 0));
5079
5080   // create hash from graphic token list
5081   graphic_token_hash = newSetupFileHash();
5082   for (graphic = 0, i = 0; image_config[i].token != NULL; i++)
5083     if (strSuffix(image_config[i].value, ".png") ||
5084         strSuffix(image_config[i].value, ".pcx") ||
5085         strSuffix(image_config[i].value, ".wav") ||
5086         strEqual(image_config[i].value, UNDEFINED_FILENAME))
5087       setHashEntry(graphic_token_hash,
5088                    image_config[i].token,
5089                    int2str(graphic++, 0));
5090
5091   // create hash from font token list
5092   font_token_hash = newSetupFileHash();
5093   for (i = 0; font_info[i].token_name != NULL; i++)
5094     setHashEntry(font_token_hash,
5095                  font_info[i].token_name,
5096                  int2str(i, 0));
5097
5098   // set default filenames for all cloned graphics in static configuration
5099   for (i = 0; image_config[i].token != NULL; i++)
5100   {
5101     if (strEqual(image_config[i].value, UNDEFINED_FILENAME))
5102     {
5103       char *token = image_config[i].token;
5104       char *token_clone_from = getStringCat2(token, ".clone_from");
5105       char *token_cloned = getHashEntry(image_config_hash, token_clone_from);
5106
5107       if (token_cloned != NULL)
5108       {
5109         char *value_cloned = getHashEntry(image_config_hash, token_cloned);
5110
5111         if (value_cloned != NULL)
5112         {
5113           // set default filename in static configuration
5114           image_config[i].value = value_cloned;
5115
5116           // set default filename in image config hash
5117           setHashEntry(image_config_hash, token, value_cloned);
5118         }
5119       }
5120
5121       free(token_clone_from);
5122     }
5123   }
5124
5125   // always start with reliable default values (all elements)
5126   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
5127     ActiveElement[i] = i;
5128
5129   // now add all entries that have an active state (active elements)
5130   for (i = 0; element_with_active_state[i].element != -1; i++)
5131   {
5132     int element = element_with_active_state[i].element;
5133     int element_active = element_with_active_state[i].element_active;
5134
5135     ActiveElement[element] = element_active;
5136   }
5137
5138   // always start with reliable default values (all buttons)
5139   for (i = 0; i < NUM_IMAGE_FILES; i++)
5140     ActiveButton[i] = i;
5141
5142   // now add all entries that have an active state (active buttons)
5143   for (i = 0; button_with_active_state[i].button != -1; i++)
5144   {
5145     int button = button_with_active_state[i].button;
5146     int button_active = button_with_active_state[i].button_active;
5147
5148     ActiveButton[button] = button_active;
5149   }
5150
5151   // always start with reliable default values (all fonts)
5152   for (i = 0; i < NUM_FONTS; i++)
5153     ActiveFont[i] = i;
5154
5155   // now add all entries that have an active state (active fonts)
5156   for (i = 0; font_with_active_state[i].font_nr != -1; i++)
5157   {
5158     int font = font_with_active_state[i].font_nr;
5159     int font_active = font_with_active_state[i].font_nr_active;
5160
5161     ActiveFont[font] = font_active;
5162   }
5163
5164   global.autoplay_leveldir = NULL;
5165   global.patchtapes_leveldir = NULL;
5166   global.convert_leveldir = NULL;
5167   global.dumplevel_leveldir = NULL;
5168   global.dumptape_leveldir = NULL;
5169   global.create_sketch_images_dir = NULL;
5170   global.create_collect_images_dir = NULL;
5171
5172   global.frames_per_second = 0;
5173   global.show_frames_per_second = FALSE;
5174
5175   global.border_status = GAME_MODE_LOADING;
5176   global.anim_status = global.anim_status_next = GAME_MODE_LOADING;
5177
5178   global.use_envelope_request = FALSE;
5179
5180   global.user_names = NULL;
5181 }
5182
5183 static void Execute_Command(char *command)
5184 {
5185   int i;
5186
5187   if (strEqual(command, "print graphicsinfo.conf"))
5188   {
5189     Print("# You can configure additional/alternative image files here.\n");
5190     Print("# (The entries below are default and therefore commented out.)\n");
5191     Print("\n");
5192     Print("%s\n", getFormattedSetupEntry("name", "Classic Graphics"));
5193     Print("\n");
5194     Print("%s\n", getFormattedSetupEntry("sort_priority", "100"));
5195     Print("\n");
5196
5197     for (i = 0; image_config[i].token != NULL; i++)
5198       Print("# %s\n", getFormattedSetupEntry(image_config[i].token,
5199                                              image_config[i].value));
5200
5201     exit(0);
5202   }
5203   else if (strEqual(command, "print soundsinfo.conf"))
5204   {
5205     Print("# You can configure additional/alternative sound files here.\n");
5206     Print("# (The entries below are default and therefore commented out.)\n");
5207     Print("\n");
5208     Print("%s\n", getFormattedSetupEntry("name", "Classic Sounds"));
5209     Print("\n");
5210     Print("%s\n", getFormattedSetupEntry("sort_priority", "100"));
5211     Print("\n");
5212
5213     for (i = 0; sound_config[i].token != NULL; i++)
5214       Print("# %s\n", getFormattedSetupEntry(sound_config[i].token,
5215                                              sound_config[i].value));
5216
5217     exit(0);
5218   }
5219   else if (strEqual(command, "print musicinfo.conf"))
5220   {
5221     Print("# You can configure additional/alternative music files here.\n");
5222     Print("# (The entries below are default and therefore commented out.)\n");
5223     Print("\n");
5224     Print("%s\n", getFormattedSetupEntry("name", "Classic Music"));
5225     Print("\n");
5226     Print("%s\n", getFormattedSetupEntry("sort_priority", "100"));
5227     Print("\n");
5228
5229     for (i = 0; music_config[i].token != NULL; i++)
5230       Print("# %s\n", getFormattedSetupEntry(music_config[i].token,
5231                                              music_config[i].value));
5232
5233     exit(0);
5234   }
5235   else if (strEqual(command, "print editorsetup.conf"))
5236   {
5237     Print("# You can configure your personal editor element list here.\n");
5238     Print("# (The entries below are default and therefore commented out.)\n");
5239     Print("\n");
5240
5241     // this is needed to be able to check element list for cascade elements
5242     InitElementPropertiesStatic();
5243     InitElementPropertiesEngine(GAME_VERSION_ACTUAL);
5244
5245     PrintEditorElementList();
5246
5247     exit(0);
5248   }
5249   else if (strEqual(command, "print helpanim.conf"))
5250   {
5251     Print("# You can configure different element help animations here.\n");
5252     Print("# (The entries below are default and therefore commented out.)\n");
5253     Print("\n");
5254
5255     for (i = 0; helpanim_config[i].token != NULL; i++)
5256     {
5257       Print("# %s\n", getFormattedSetupEntry(helpanim_config[i].token,
5258                                              helpanim_config[i].value));
5259
5260       if (strEqual(helpanim_config[i].token, "end"))
5261         Print("#\n");
5262     }
5263
5264     exit(0);
5265   }
5266   else if (strEqual(command, "print helptext.conf"))
5267   {
5268     Print("# You can configure different element help text here.\n");
5269     Print("# (The entries below are default and therefore commented out.)\n");
5270     Print("\n");
5271
5272     for (i = 0; helptext_config[i].token != NULL; i++)
5273       Print("# %s\n", getFormattedSetupEntry(helptext_config[i].token,
5274                                              helptext_config[i].value));
5275
5276     exit(0);
5277   }
5278   else if (strPrefix(command, "dump level "))
5279   {
5280     char *filename = &command[11];
5281
5282     if (fileExists(filename))
5283     {
5284       LoadLevelFromFilename(&level, filename);
5285       DumpLevel(&level);
5286
5287       exit(0);
5288     }
5289
5290     char *leveldir = getStringCopy(filename);   // read command parameters
5291     char *level_nr = strchr(leveldir, ' ');
5292
5293     if (level_nr == NULL)
5294       Fail("cannot open file '%s'", filename);
5295
5296     *level_nr++ = '\0';
5297
5298     global.dumplevel_leveldir = leveldir;
5299     global.dumplevel_level_nr = atoi(level_nr);
5300
5301     program.headless = TRUE;
5302   }
5303   else if (strPrefix(command, "dump tape "))
5304   {
5305     char *filename = &command[10];
5306
5307     if (fileExists(filename))
5308     {
5309       LoadTapeFromFilename(filename);
5310       DumpTape(&tape);
5311
5312       exit(0);
5313     }
5314
5315     char *leveldir = getStringCopy(filename);   // read command parameters
5316     char *level_nr = strchr(leveldir, ' ');
5317
5318     if (level_nr == NULL)
5319       Fail("cannot open file '%s'", filename);
5320
5321     *level_nr++ = '\0';
5322
5323     global.dumptape_leveldir = leveldir;
5324     global.dumptape_level_nr = atoi(level_nr);
5325
5326     program.headless = TRUE;
5327   }
5328   else if (strPrefix(command, "autoplay ") ||
5329            strPrefix(command, "autoffwd ") ||
5330            strPrefix(command, "autowarp ") ||
5331            strPrefix(command, "autotest ") ||
5332            strPrefix(command, "autosave ") ||
5333            strPrefix(command, "autoupload ") ||
5334            strPrefix(command, "autofix "))
5335   {
5336     char *arg_ptr = strchr(command, ' ');
5337     char *str_ptr = getStringCopy(arg_ptr);     // read command parameters
5338
5339     global.autoplay_mode =
5340       (strPrefix(command, "autoplay") ? AUTOPLAY_MODE_PLAY :
5341        strPrefix(command, "autoffwd") ? AUTOPLAY_MODE_FFWD :
5342        strPrefix(command, "autowarp") ? AUTOPLAY_MODE_WARP :
5343        strPrefix(command, "autotest") ? AUTOPLAY_MODE_TEST :
5344        strPrefix(command, "autosave") ? AUTOPLAY_MODE_SAVE :
5345        strPrefix(command, "autoupload") ? AUTOPLAY_MODE_UPLOAD :
5346        strPrefix(command, "autofix")  ? AUTOPLAY_MODE_FIX :
5347        AUTOPLAY_MODE_NONE);
5348
5349     while (*str_ptr != '\0')                    // continue parsing string
5350     {
5351       // cut leading whitespace from string, replace it by string terminator
5352       while (*str_ptr == ' ' || *str_ptr == '\t')
5353         *str_ptr++ = '\0';
5354
5355       if (*str_ptr == '\0')                     // end of string reached
5356         break;
5357
5358       if (global.autoplay_leveldir == NULL)     // read level set string
5359       {
5360         global.autoplay_leveldir = str_ptr;
5361         global.autoplay_all = TRUE;             // default: play all tapes
5362
5363         for (i = 0; i < MAX_TAPES_PER_SET; i++)
5364           global.autoplay_level[i] = FALSE;
5365       }
5366       else                                      // read level number string
5367       {
5368         int level_nr = atoi(str_ptr);           // get level_nr value
5369
5370         if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
5371           global.autoplay_level[level_nr] = TRUE;
5372
5373         global.autoplay_all = FALSE;
5374       }
5375
5376       // advance string pointer to the next whitespace (or end of string)
5377       while (*str_ptr != ' ' && *str_ptr != '\t' && *str_ptr != '\0')
5378         str_ptr++;
5379     }
5380
5381     if (global.autoplay_mode & AUTOPLAY_WARP_NO_DISPLAY)
5382       program.headless = TRUE;
5383   }
5384   else if (strPrefix(command, "patch tapes "))
5385   {
5386     char *str_ptr = getStringCopy(&command[12]); // read command parameters
5387
5388     // skip leading whitespace
5389     while (*str_ptr == ' ' || *str_ptr == '\t')
5390       str_ptr++;
5391
5392     if (*str_ptr == '\0')
5393       Fail("cannot find MODE in command '%s'", command);
5394
5395     global.patchtapes_mode = str_ptr;           // store patch mode
5396
5397     // advance to next whitespace (or end of string)
5398     while (*str_ptr != ' ' && *str_ptr != '\t' && *str_ptr != '\0')
5399       str_ptr++;
5400
5401     while (*str_ptr != '\0')                    // continue parsing string
5402     {
5403       // cut leading whitespace from string, replace it by string terminator
5404       while (*str_ptr == ' ' || *str_ptr == '\t')
5405         *str_ptr++ = '\0';
5406
5407       if (*str_ptr == '\0')                     // end of string reached
5408         break;
5409
5410       if (global.patchtapes_leveldir == NULL)   // read level set string
5411       {
5412         global.patchtapes_leveldir = str_ptr;
5413         global.patchtapes_all = TRUE;           // default: patch all tapes
5414
5415         for (i = 0; i < MAX_TAPES_PER_SET; i++)
5416           global.patchtapes_level[i] = FALSE;
5417       }
5418       else                                      // read level number string
5419       {
5420         int level_nr = atoi(str_ptr);           // get level_nr value
5421
5422         if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
5423           global.patchtapes_level[level_nr] = TRUE;
5424
5425         global.patchtapes_all = FALSE;
5426       }
5427
5428       // advance string pointer to the next whitespace (or end of string)
5429       while (*str_ptr != ' ' && *str_ptr != '\t' && *str_ptr != '\0')
5430         str_ptr++;
5431     }
5432
5433     if (global.patchtapes_leveldir == NULL)
5434     {
5435       if (strEqual(global.patchtapes_mode, "help"))
5436         global.patchtapes_leveldir = UNDEFINED_LEVELSET;
5437       else
5438         Fail("cannot find LEVELDIR in command '%s'", command);
5439     }
5440
5441     program.headless = TRUE;
5442   }
5443   else if (strPrefix(command, "convert "))
5444   {
5445     char *str_copy = getStringCopy(strchr(command, ' ') + 1);
5446     char *str_ptr = strchr(str_copy, ' ');
5447
5448     global.convert_leveldir = str_copy;
5449     global.convert_level_nr = -1;
5450
5451     if (str_ptr != NULL)                        // level number follows
5452     {
5453       *str_ptr++ = '\0';                        // terminate leveldir string
5454       global.convert_level_nr = atoi(str_ptr);  // get level_nr value
5455     }
5456
5457     program.headless = TRUE;
5458   }
5459   else if (strPrefix(command, "create sketch images "))
5460   {
5461     global.create_sketch_images_dir = getStringCopy(&command[21]);
5462
5463     if (access(global.create_sketch_images_dir, W_OK) != 0)
5464       Fail("image target directory '%s' not found or not writable",
5465            global.create_sketch_images_dir);
5466   }
5467   else if (strPrefix(command, "create collect image "))
5468   {
5469     global.create_collect_images_dir = getStringCopy(&command[21]);
5470
5471     if (access(global.create_collect_images_dir, W_OK) != 0)
5472       Fail("image target directory '%s' not found or not writable",
5473            global.create_collect_images_dir);
5474   }
5475   else if (strPrefix(command, "create CE image "))
5476   {
5477     CreateCustomElementImages(&command[16]);
5478
5479     exit(0);
5480   }
5481   else
5482   {
5483     FailWithHelp("unrecognized command '%s'", command);
5484   }
5485
5486   // disable networking if any valid command was recognized
5487   options.network = setup.network_mode = FALSE;
5488 }
5489
5490 static void InitSetup(void)
5491 {
5492   LoadUserNames();                              // global user names
5493   LoadUserSetup();                              // global user number
5494
5495   LoadSetup();                                  // global setup info
5496
5497   // set some options from setup file
5498
5499   if (setup.options.verbose)
5500     options.verbose = TRUE;
5501
5502   if (setup.options.debug)
5503     options.debug = TRUE;
5504
5505   if (!strEqual(setup.options.debug_mode, ARG_UNDEFINED_STRING))
5506     options.debug_mode = getStringCopy(setup.options.debug_mode);
5507
5508   if (setup.debug.show_frames_per_second)
5509     global.show_frames_per_second = TRUE;
5510 }
5511
5512 static void InitGameInfo(void)
5513 {
5514   game.restart_level = FALSE;
5515   game.request_active = FALSE;
5516
5517   game.use_masked_elements_initial = FALSE;
5518 }
5519
5520 static void InitPlayerInfo(void)
5521 {
5522   int i;
5523
5524   // choose default local player
5525   local_player = &stored_player[0];
5526
5527   for (i = 0; i < MAX_PLAYERS; i++)
5528   {
5529     stored_player[i].connected_locally = FALSE;
5530     stored_player[i].connected_network = FALSE;
5531   }
5532
5533   local_player->connected_locally = TRUE;
5534 }
5535
5536 static void InitArtworkInfo(void)
5537 {
5538   LoadArtworkInfo();
5539 }
5540
5541 static char *get_string_in_brackets(char *string)
5542 {
5543   char *string_in_brackets = checked_malloc(strlen(string) + 3);
5544
5545   sprintf(string_in_brackets, "[%s]", string);
5546
5547   return string_in_brackets;
5548 }
5549
5550 static char *get_level_id_suffix(int id_nr)
5551 {
5552   char *id_suffix = checked_malloc(1 + 3 + 1);
5553
5554   if (id_nr < 0 || id_nr > 999)
5555     id_nr = 0;
5556
5557   sprintf(id_suffix, ".%03d", id_nr);
5558
5559   return id_suffix;
5560 }
5561
5562 static void InitArtworkConfig(void)
5563 {
5564   static char *image_id_prefix[MAX_NUM_ELEMENTS +
5565                                NUM_FONTS +
5566                                NUM_GLOBAL_ANIM_TOKENS + 1];
5567   static char *sound_id_prefix[2 * MAX_NUM_ELEMENTS +
5568                                NUM_GLOBAL_ANIM_TOKENS + 1];
5569   static char *music_id_prefix[NUM_MUSIC_PREFIXES +
5570                                NUM_GLOBAL_ANIM_TOKENS + 1];
5571   static char *action_id_suffix[NUM_ACTIONS + 1];
5572   static char *direction_id_suffix[NUM_DIRECTIONS_FULL + 1];
5573   static char *special_id_suffix[NUM_SPECIAL_GFX_ARGS + 1];
5574   static char *level_id_suffix[MAX_LEVELS + 1];
5575   static char *dummy[1] = { NULL };
5576   static char *ignore_generic_tokens[] =
5577   {
5578     "name",
5579     "sort_priority",
5580     "program_title",
5581     "program_copyright",
5582     "program_company",
5583
5584     NULL
5585   };
5586   static char **ignore_image_tokens;
5587   static char **ignore_sound_tokens;
5588   static char **ignore_music_tokens;
5589   int num_ignore_generic_tokens;
5590   int num_ignore_image_tokens;
5591   int num_ignore_sound_tokens;
5592   int num_ignore_music_tokens;
5593   int i;
5594
5595   // dynamically determine list of generic tokens to be ignored
5596   num_ignore_generic_tokens = 0;
5597   for (i = 0; ignore_generic_tokens[i] != NULL; i++)
5598     num_ignore_generic_tokens++;
5599
5600   // dynamically determine list of image tokens to be ignored
5601   num_ignore_image_tokens = num_ignore_generic_tokens;
5602   for (i = 0; image_config_vars[i].token != NULL; i++)
5603     num_ignore_image_tokens++;
5604   ignore_image_tokens =
5605     checked_malloc((num_ignore_image_tokens + 1) * sizeof(char *));
5606   for (i = 0; i < num_ignore_generic_tokens; i++)
5607     ignore_image_tokens[i] = ignore_generic_tokens[i];
5608   for (i = 0; i < num_ignore_image_tokens - num_ignore_generic_tokens; i++)
5609     ignore_image_tokens[num_ignore_generic_tokens + i] =
5610       image_config_vars[i].token;
5611   ignore_image_tokens[num_ignore_image_tokens] = NULL;
5612
5613   // dynamically determine list of sound tokens to be ignored
5614   num_ignore_sound_tokens = num_ignore_generic_tokens;
5615   for (i = 0; sound_config_vars[i].token != NULL; i++)
5616     num_ignore_sound_tokens++;
5617   ignore_sound_tokens =
5618     checked_malloc((num_ignore_sound_tokens + 1) * sizeof(char *));
5619   for (i = 0; i < num_ignore_generic_tokens; i++)
5620     ignore_sound_tokens[i] = ignore_generic_tokens[i];
5621   for (i = 0; i < num_ignore_sound_tokens - num_ignore_generic_tokens; i++)
5622     ignore_sound_tokens[num_ignore_generic_tokens + i] =
5623       sound_config_vars[i].token;
5624   ignore_sound_tokens[num_ignore_sound_tokens] = NULL;
5625
5626   // dynamically determine list of music tokens to be ignored
5627   num_ignore_music_tokens = num_ignore_generic_tokens;
5628   ignore_music_tokens =
5629     checked_malloc((num_ignore_music_tokens + 1) * sizeof(char *));
5630   for (i = 0; i < num_ignore_generic_tokens; i++)
5631     ignore_music_tokens[i] = ignore_generic_tokens[i];
5632   ignore_music_tokens[num_ignore_music_tokens] = NULL;
5633
5634   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
5635     image_id_prefix[i] = element_info[i].token_name;
5636   for (i = 0; i < NUM_FONTS; i++)
5637     image_id_prefix[MAX_NUM_ELEMENTS + i] = font_info[i].token_name;
5638   for (i = 0; i < NUM_GLOBAL_ANIM_TOKENS; i++)
5639     image_id_prefix[MAX_NUM_ELEMENTS + NUM_FONTS + i] =
5640       global_anim_info[i].token_name;
5641   image_id_prefix[MAX_NUM_ELEMENTS + NUM_FONTS + NUM_GLOBAL_ANIM_TOKENS] = NULL;
5642
5643   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
5644     sound_id_prefix[i] = element_info[i].token_name;
5645   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
5646     sound_id_prefix[MAX_NUM_ELEMENTS + i] =
5647       get_string_in_brackets(element_info[i].class_name);
5648   for (i = 0; i < NUM_GLOBAL_ANIM_TOKENS; i++)
5649     sound_id_prefix[2 * MAX_NUM_ELEMENTS + i] =
5650       global_anim_info[i].token_name;
5651   sound_id_prefix[2 * MAX_NUM_ELEMENTS + NUM_GLOBAL_ANIM_TOKENS] = NULL;
5652
5653   for (i = 0; i < NUM_MUSIC_PREFIXES; i++)
5654     music_id_prefix[i] = music_prefix_info[i].prefix;
5655   for (i = 0; i < NUM_GLOBAL_ANIM_TOKENS; i++)
5656     music_id_prefix[NUM_MUSIC_PREFIXES + i] =
5657       global_anim_info[i].token_name;
5658   music_id_prefix[NUM_MUSIC_PREFIXES + NUM_GLOBAL_ANIM_TOKENS] = NULL;
5659
5660   for (i = 0; i < NUM_ACTIONS; i++)
5661     action_id_suffix[i] = element_action_info[i].suffix;
5662   action_id_suffix[NUM_ACTIONS] = NULL;
5663
5664   for (i = 0; i < NUM_DIRECTIONS_FULL; i++)
5665     direction_id_suffix[i] = element_direction_info[i].suffix;
5666   direction_id_suffix[NUM_DIRECTIONS_FULL] = NULL;
5667
5668   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
5669     special_id_suffix[i] = special_suffix_info[i].suffix;
5670   special_id_suffix[NUM_SPECIAL_GFX_ARGS] = NULL;
5671
5672   for (i = 0; i < MAX_LEVELS; i++)
5673     level_id_suffix[i] = get_level_id_suffix(i);
5674   level_id_suffix[MAX_LEVELS] = NULL;
5675
5676   InitImageList(image_config, NUM_IMAGE_FILES, image_config_suffix,
5677                 image_id_prefix, action_id_suffix, direction_id_suffix,
5678                 special_id_suffix, ignore_image_tokens);
5679   InitSoundList(sound_config, NUM_SOUND_FILES, sound_config_suffix,
5680                 sound_id_prefix, action_id_suffix, dummy,
5681                 special_id_suffix, ignore_sound_tokens);
5682   InitMusicList(music_config, NUM_MUSIC_FILES, music_config_suffix,
5683                 music_id_prefix, action_id_suffix, special_id_suffix,
5684                 level_id_suffix, ignore_music_tokens);
5685 }
5686
5687 static void InitMixer(void)
5688 {
5689   OpenAudio();
5690
5691   StartMixer();
5692 }
5693
5694 static void InitVideoOverlay(void)
5695 {
5696   // if virtual buttons are not loaded from setup file, repeat initializing
5697   // virtual buttons grid with default values now that video is initialized
5698   if (!setup.touch.grid_initialized)
5699     InitSetup();
5700
5701   InitTileCursorInfo();
5702   InitOverlayInfo();
5703 }
5704
5705 void InitGfxBuffers(void)
5706 {
5707   static int win_xsize_last = -1;
5708   static int win_ysize_last = -1;
5709
5710   // create additional image buffers for double-buffering and cross-fading
5711
5712   if (WIN_XSIZE != win_xsize_last || WIN_YSIZE != win_ysize_last)
5713   {
5714     // used to temporarily store the backbuffer -- only re-create if changed
5715     ReCreateBitmap(&bitmap_db_store_1, WIN_XSIZE, WIN_YSIZE);
5716     ReCreateBitmap(&bitmap_db_store_2, WIN_XSIZE, WIN_YSIZE);
5717
5718     win_xsize_last = WIN_XSIZE;
5719     win_ysize_last = WIN_YSIZE;
5720   }
5721
5722   ReCreateBitmap(&bitmap_db_field, FXSIZE, FYSIZE);
5723   ReCreateBitmap(&bitmap_db_door_1, 3 * DXSIZE, DYSIZE);
5724   ReCreateBitmap(&bitmap_db_door_2, 3 * VXSIZE, VYSIZE);
5725
5726   // initialize screen properties
5727   InitGfxFieldInfo(SX, SY, SXSIZE, SYSIZE,
5728                    REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE,
5729                    bitmap_db_field);
5730   InitGfxDoor1Info(DX, DY, DXSIZE, DYSIZE);
5731   InitGfxDoor2Info(VX, VY, VXSIZE, VYSIZE);
5732   InitGfxDoor3Info(EX, EY, EXSIZE, EYSIZE);
5733   InitGfxWindowInfo(WIN_XSIZE, WIN_YSIZE);
5734   InitGfxScrollbufferInfo(FXSIZE, FYSIZE);
5735   InitGfxClipRegion(FALSE, -1, -1, -1, -1);
5736
5737   // required if door size definitions have changed
5738   InitGraphicCompatibilityInfo_Doors();
5739
5740   InitGfxBuffers_BD();
5741   InitGfxBuffers_EM();
5742   InitGfxBuffers_SP();
5743   InitGfxBuffers_MM();
5744 }
5745
5746 static void InitGfx(void)
5747 {
5748   struct GraphicInfo *graphic_info_last = graphic_info;
5749   char *filename_font_initial = NULL;
5750   char *filename_image_initial[NUM_INITIAL_IMAGES] = { NULL };
5751   char *image_token[NUM_INITIAL_IMAGES] =
5752   {
5753     CONFIG_TOKEN_GLOBAL_BUSY_INITIAL,
5754     CONFIG_TOKEN_GLOBAL_BUSY,
5755     CONFIG_TOKEN_GLOBAL_BUSY_PLAYFIELD,
5756     CONFIG_TOKEN_BACKGROUND,
5757     CONFIG_TOKEN_BACKGROUND_LOADING_INITIAL,
5758     CONFIG_TOKEN_BACKGROUND_LOADING
5759   };
5760   struct MenuPosInfo *init_busy[NUM_INITIAL_IMAGES_BUSY] =
5761   {
5762     &init.busy_initial,
5763     &init.busy,
5764     &init.busy_playfield
5765   };
5766   Bitmap *bitmap_font_initial = NULL;
5767   int parameter[NUM_INITIAL_IMAGES][NUM_GFX_ARGS];
5768   int i, j, k;
5769
5770   // determine settings for initial font (for displaying startup messages)
5771   for (i = 0; image_config[i].token != NULL; i++)
5772   {
5773     for (j = 0; j < NUM_INITIAL_FONTS; j++)
5774     {
5775       char font_token[128];
5776       int len_font_token;
5777
5778       sprintf(font_token, "%s_%d", CONFIG_TOKEN_FONT_INITIAL, j + 1);
5779       len_font_token = strlen(font_token);
5780
5781       if (strEqual(image_config[i].token, font_token))
5782       {
5783         filename_font_initial = image_config[i].value;
5784       }
5785       else if (strlen(image_config[i].token) > len_font_token &&
5786                strncmp(image_config[i].token, font_token, len_font_token) == 0)
5787       {
5788         if (strEqual(&image_config[i].token[len_font_token], ".x"))
5789           font_initial[j].src_x = atoi(image_config[i].value);
5790         else if (strEqual(&image_config[i].token[len_font_token], ".y"))
5791           font_initial[j].src_y = atoi(image_config[i].value);
5792         else if (strEqual(&image_config[i].token[len_font_token], ".width"))
5793           font_initial[j].width = atoi(image_config[i].value);
5794         else if (strEqual(&image_config[i].token[len_font_token], ".height"))
5795           font_initial[j].height = atoi(image_config[i].value);
5796       }
5797     }
5798   }
5799
5800   for (j = 0; j < NUM_INITIAL_FONTS; j++)
5801   {
5802     font_initial[j].num_chars = DEFAULT_NUM_CHARS_PER_FONT;
5803     font_initial[j].num_chars_per_line = DEFAULT_NUM_CHARS_PER_LINE;
5804   }
5805
5806   if (filename_font_initial == NULL)    // should not happen
5807     Fail("cannot get filename for '%s'", CONFIG_TOKEN_FONT_INITIAL);
5808
5809   InitGfxBuffers();
5810   InitGfxCustomArtworkInfo();
5811   InitGfxOtherSettings();
5812
5813   InitGfxTileSizeInfo(TILESIZE, TILESIZE);
5814
5815   bitmap_font_initial = LoadCustomImage(filename_font_initial);
5816
5817   for (j = 0; j < NUM_INITIAL_FONTS; j++)
5818     font_initial[j].bitmap = bitmap_font_initial;
5819
5820   InitFontGraphicInfo();
5821
5822   InitMenuDesignSettings_Static();
5823
5824   // initialize settings for initial images with default values
5825   for (i = 0; i < NUM_INITIAL_IMAGES; i++)
5826     for (j = 0; j < NUM_GFX_ARGS; j++)
5827       parameter[i][j] =
5828         get_graphic_parameter_value(image_config_suffix[j].value,
5829                                     image_config_suffix[j].token,
5830                                     image_config_suffix[j].type);
5831
5832   // read settings for initial images from default custom artwork config
5833   char *gfx_config_filename = getPath3(options.graphics_directory,
5834                                        GFX_DEFAULT_SUBDIR,
5835                                        GRAPHICSINFO_FILENAME);
5836
5837   if (fileExists(gfx_config_filename))
5838   {
5839     SetupFileHash *setup_file_hash = loadSetupFileHash(gfx_config_filename);
5840
5841     if (setup_file_hash)
5842     {
5843       for (i = 0; i < NUM_INITIAL_IMAGES; i++)
5844       {
5845         char *filename = getHashEntry(setup_file_hash, image_token[i]);
5846
5847         if (filename)
5848         {
5849           filename_image_initial[i] = getStringCopy(filename);
5850
5851           for (j = 0; image_config_suffix[j].token != NULL; j++)
5852           {
5853             int type = image_config_suffix[j].type;
5854             char *suffix = image_config_suffix[j].token;
5855             char *token = getStringCat2(image_token[i], suffix);
5856             char *value = getHashEntry(setup_file_hash, token);
5857
5858             checked_free(token);
5859
5860             if (value)
5861               parameter[i][j] =
5862                 get_graphic_parameter_value(value, suffix, type);
5863           }
5864         }
5865       }
5866
5867       // read values from custom graphics config file
5868       InitMenuDesignSettings_FromHash(setup_file_hash, FALSE);
5869
5870       freeSetupFileHash(setup_file_hash);
5871     }
5872   }
5873
5874   for (i = 0; i < NUM_INITIAL_IMAGES; i++)
5875   {
5876     if (filename_image_initial[i] == NULL)
5877     {
5878       int len_token = strlen(image_token[i]);
5879
5880       // read settings for initial images from static default artwork config
5881       for (j = 0; image_config[j].token != NULL; j++)
5882       {
5883         if (strEqual(image_config[j].token, image_token[i]))
5884         {
5885           filename_image_initial[i] = getStringCopy(image_config[j].value);
5886         }
5887         else if (strlen(image_config[j].token) > len_token &&
5888                  strncmp(image_config[j].token, image_token[i], len_token) == 0)
5889         {
5890           for (k = 0; image_config_suffix[k].token != NULL; k++)
5891           {
5892             if (strEqual(&image_config[j].token[len_token],
5893                          image_config_suffix[k].token))
5894               parameter[i][k] =
5895                 get_graphic_parameter_value(image_config[j].value,
5896                                             image_config_suffix[k].token,
5897                                             image_config_suffix[k].type);
5898           }
5899         }
5900       }
5901     }
5902   }
5903
5904   for (i = 0; i < NUM_INITIAL_IMAGES; i++)
5905   {
5906     if (filename_image_initial[i] == NULL)      // should not happen
5907       Fail("cannot get filename for '%s'", image_token[i]);
5908
5909     image_initial[i].bitmaps =
5910       checked_calloc(sizeof(Bitmap *) * NUM_IMG_BITMAP_POINTERS);
5911
5912     if (!strEqual(filename_image_initial[i], UNDEFINED_FILENAME))
5913       image_initial[i].bitmaps[IMG_BITMAP_STANDARD] =
5914         LoadCustomImage(filename_image_initial[i]);
5915
5916     checked_free(filename_image_initial[i]);
5917   }
5918
5919   for (i = 0; i < NUM_INITIAL_IMAGES; i++)
5920     image_initial[i].use_image_size = TRUE;
5921
5922   graphic_info = image_initial;         // graphic == 0 => image_initial
5923
5924   for (i = 0; i < NUM_INITIAL_IMAGES; i++)
5925     set_graphic_parameters_ext(i, parameter[i], image_initial[i].bitmaps);
5926
5927   graphic_info = graphic_info_last;
5928
5929   for (i = 0; i < NUM_INITIAL_IMAGES_BUSY; i++)
5930   {
5931     // set image size for busy animations
5932     init_busy[i]->width  = image_initial[i].width;
5933     init_busy[i]->height = image_initial[i].height;
5934   }
5935
5936   SetLoadingBackgroundImage();
5937
5938   ClearRectangleOnBackground(window, 0, 0, WIN_XSIZE, WIN_YSIZE);
5939
5940   DrawProgramInfo();
5941
5942   InitGfxDrawBusyAnimFunction(DrawInitAnim);
5943   InitGfxDrawGlobalAnimFunction(DrawGlobalAnimations);
5944   InitGfxDrawGlobalBorderFunction(DrawMaskedBorderToTarget);
5945   InitGfxDrawTileCursorFunction(DrawTileCursor);
5946   InitGfxDrawEnvelopeRequestFunction(DrawEnvelopeRequestToScreen);
5947
5948   gfx.fade_border_source_status = global.border_status;
5949   gfx.fade_border_target_status = global.border_status;
5950   gfx.masked_border_bitmap_ptr = backbuffer;
5951
5952   // use copy of busy animation to prevent change while reloading artwork
5953   init_last = init;
5954 }
5955
5956 static void InitGfxBackground(void)
5957 {
5958   fieldbuffer = bitmap_db_field;
5959   SetDrawtoField(DRAW_TO_BACKBUFFER);
5960
5961   ClearRectangle(backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE);
5962
5963   redraw_mask = REDRAW_ALL;
5964 }
5965
5966 static void InitSnd(void)
5967 {
5968   InitSoundSettings_Static();
5969
5970   // read settings for initial sounds from default custom artwork config
5971   char *snd_config_filename = getPath3(options.sounds_directory,
5972                                        SND_DEFAULT_SUBDIR,
5973                                        SOUNDSINFO_FILENAME);
5974
5975   if (fileExists(snd_config_filename))
5976   {
5977     SetupFileHash *setup_file_hash = loadSetupFileHash(snd_config_filename);
5978
5979     if (setup_file_hash)
5980     {
5981       // read values from custom sounds config file
5982       InitSoundSettings_FromHash(setup_file_hash, FALSE);
5983
5984       freeSetupFileHash(setup_file_hash);
5985     }
5986   }
5987 }
5988
5989 static void InitLevelInfo(void)
5990 {
5991   LoadLevelInfo();                              // global level info
5992   LoadLevelSetup_LastSeries();                  // last played series info
5993   LoadLevelSetup_SeriesInfo();                  // last played level info
5994
5995   if (global.autoplay_leveldir &&
5996       global.autoplay_mode != AUTOPLAY_MODE_TEST)
5997   {
5998     leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
5999                                                  global.autoplay_leveldir);
6000     if (leveldir_current == NULL)
6001       leveldir_current = getFirstValidTreeInfoEntry(leveldir_first);
6002   }
6003
6004   SetLevelSetInfo(leveldir_current->identifier, level_nr);
6005 }
6006
6007 static void InitLevelArtworkInfo(void)
6008 {
6009   LoadLevelArtworkInfo();
6010 }
6011
6012 static void InitImages(void)
6013 {
6014   print_timestamp_init("InitImages");
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   setLevelArtworkDir(artwork.gfx_first);
6028
6029 #if 0
6030   Debug("init:InitImages", "leveldir_current->identifier == '%s'",
6031         leveldir_current == NULL ? "[NULL]" : leveldir_current->identifier);
6032   Debug("init:InitImages", "leveldir_current->graphics_path == '%s'",
6033         leveldir_current == NULL ? "[NULL]" : leveldir_current->graphics_path);
6034   Debug("init:InitImages", "leveldir_current->graphics_set == '%s'",
6035          leveldir_current == NULL ? "[NULL]" : leveldir_current->graphics_set);
6036   Debug("init:InitImages", "getLevelArtworkSet(ARTWORK_TYPE_GRAPHICS) == '%s'",
6037         leveldir_current == NULL ? "[NULL]" : LEVELDIR_ARTWORK_SET(leveldir_current, ARTWORK_TYPE_GRAPHICS));
6038 #endif
6039
6040 #if 0
6041   Debug("init:InitImages", "InitImages for '%s' ['%s', '%s'] ['%s', '%s']",
6042         leveldir_current->identifier,
6043         artwork.gfx_current_identifier,
6044         artwork.gfx_current->identifier,
6045         leveldir_current->graphics_set,
6046         leveldir_current->graphics_path);
6047 #endif
6048
6049   UPDATE_BUSY_STATE();
6050
6051   ReloadCustomImages();
6052   print_timestamp_time("ReloadCustomImages");
6053
6054   UPDATE_BUSY_STATE();
6055
6056   LoadCustomElementDescriptions();
6057   print_timestamp_time("LoadCustomElementDescriptions");
6058
6059   UPDATE_BUSY_STATE();
6060
6061   LoadMenuDesignSettings();
6062   print_timestamp_time("LoadMenuDesignSettings");
6063
6064   UPDATE_BUSY_STATE();
6065
6066   ReinitializeGraphics();
6067   print_timestamp_time("ReinitializeGraphics");
6068
6069   LoadMenuDesignSettings_AfterGraphics();
6070   print_timestamp_time("LoadMenuDesignSettings_AfterGraphics");
6071
6072   UPDATE_BUSY_STATE();
6073
6074   print_timestamp_done("InitImages");
6075 }
6076
6077 static void InitSound(void)
6078 {
6079   print_timestamp_init("InitSound");
6080
6081   // set artwork path to send it to the sound server process
6082   setLevelArtworkDir(artwork.snd_first);
6083
6084   InitReloadCustomSounds();
6085   print_timestamp_time("InitReloadCustomSounds");
6086
6087   LoadSoundSettings();
6088   print_timestamp_time("LoadSoundSettings");
6089
6090   ReinitializeSounds();
6091   print_timestamp_time("ReinitializeSounds");
6092
6093   print_timestamp_done("InitSound");
6094 }
6095
6096 static void InitMusic(void)
6097 {
6098   print_timestamp_init("InitMusic");
6099
6100   // set artwork path to send it to the sound server process
6101   setLevelArtworkDir(artwork.mus_first);
6102
6103   InitReloadCustomMusic();
6104   print_timestamp_time("InitReloadCustomMusic");
6105
6106   ReinitializeMusic();
6107   print_timestamp_time("ReinitializeMusic");
6108
6109   print_timestamp_done("InitMusic");
6110 }
6111
6112 static void InitArtworkDone(void)
6113 {
6114   if (program.headless)
6115     return;
6116
6117   InitGlobalAnimations();
6118 }
6119
6120 static void InitNetworkSettings(void)
6121 {
6122   boolean network_enabled = (options.network || setup.network_mode);
6123   char *network_server = (options.server_host != NULL ? options.server_host :
6124                           setup.network_server_hostname);
6125
6126   if (strEqual(network_server, STR_NETWORK_AUTO_DETECT))
6127     network_server = NULL;
6128
6129   InitNetworkInfo(network_enabled,
6130                   FALSE,
6131                   options.serveronly,
6132                   network_server,
6133                   options.server_port);
6134 }
6135
6136 void InitNetworkServer(void)
6137 {
6138   if (!network.enabled || network.connected)
6139     return;
6140
6141   LimitScreenUpdates(FALSE);
6142
6143   if (game_status == GAME_MODE_LOADING)
6144     DrawProgramInfo();
6145
6146   if (!ConnectToServer(network.server_host, network.server_port))
6147   {
6148     network.enabled = FALSE;
6149
6150     setup.network_mode = FALSE;
6151   }
6152   else
6153   {
6154     SendToServer_ProtocolVersion();
6155     SendToServer_PlayerName(setup.player_name);
6156     SendToServer_NrWanted(setup.network_player_nr + 1);
6157
6158     network.connected = TRUE;
6159   }
6160
6161   // short time to recognize result of network initialization
6162   if (game_status == GAME_MODE_LOADING)
6163     Delay_WithScreenUpdates(1000);
6164 }
6165
6166 static boolean CheckArtworkConfigForCustomElements(char *filename)
6167 {
6168   SetupFileHash *setup_file_hash;
6169   boolean redefined_ce_found = FALSE;
6170
6171   // !!! CACHE THIS BY USING HASH 'filename' => 'true/false' !!!
6172
6173   if ((setup_file_hash = loadSetupFileHash(filename)) != NULL)
6174   {
6175     BEGIN_HASH_ITERATION(setup_file_hash, itr)
6176     {
6177       char *token = HASH_ITERATION_TOKEN(itr);
6178
6179       if (strPrefix(token, "custom_"))
6180       {
6181         redefined_ce_found = TRUE;
6182
6183         break;
6184       }
6185     }
6186     END_HASH_ITERATION(setup_file_hash, itr)
6187
6188     freeSetupFileHash(setup_file_hash);
6189   }
6190
6191   return redefined_ce_found;
6192 }
6193
6194 static boolean CheckArtworkTypeForRedefinedCustomElements(int type)
6195 {
6196   char *filename_base, *filename_local;
6197   boolean redefined_ce_found = FALSE;
6198
6199   setLevelArtworkDir(ARTWORK_FIRST_NODE(artwork, type));
6200
6201 #if 0
6202   Debug("init:CheckArtworkTypeForRedefinedCustomElements",
6203         "leveldir_current->identifier == '%s'",
6204         leveldir_current == NULL ? "[NULL]" : leveldir_current->identifier);
6205   Debug("init:CheckArtworkTypeForRedefinedCustomElements",
6206         "leveldir_current->graphics_path == '%s'",
6207         leveldir_current == NULL ? "[NULL]" : leveldir_current->graphics_path);
6208   Debug("init:CheckArtworkTypeForRedefinedCustomElements",
6209         "leveldir_current->graphics_set == '%s'",
6210         leveldir_current == NULL ? "[NULL]" : leveldir_current->graphics_set);
6211   Debug("init:CheckArtworkTypeForRedefinedCustomElements",
6212         "getLevelArtworkSet(ARTWORK_TYPE_GRAPHICS) == '%s'",
6213         leveldir_current == NULL ? "[NULL]" :
6214         LEVELDIR_ARTWORK_SET(leveldir_current, type));
6215 #endif
6216
6217   // first look for special artwork configured in level series config
6218   filename_base = getCustomArtworkLevelConfigFilename(type);
6219
6220 #if 0
6221   Debug("init:CheckArtworkTypeForRedefinedCustomElements",
6222         "filename_base == '%s'", filename_base);
6223 #endif
6224
6225   if (fileExists(filename_base))
6226     redefined_ce_found |= CheckArtworkConfigForCustomElements(filename_base);
6227
6228   filename_local = getCustomArtworkConfigFilename(type);
6229
6230 #if 0
6231   Debug("init:CheckArtworkTypeForRedefinedCustomElements",
6232         "filename_local == '%s'", filename_local);
6233 #endif
6234
6235   if (filename_local != NULL && !strEqual(filename_base, filename_local))
6236     redefined_ce_found |= CheckArtworkConfigForCustomElements(filename_local);
6237
6238 #if 0
6239   Debug("init:CheckArtworkTypeForRedefinedCustomElements",
6240         "redefined_ce_found == %d", redefined_ce_found);
6241 #endif
6242
6243   return redefined_ce_found;
6244 }
6245
6246 static void InitOverrideArtwork(void)
6247 {
6248   boolean redefined_ce_found = FALSE;
6249
6250   // to check if this level set redefines any CEs, do not use overriding
6251   gfx.override_level_graphics = FALSE;
6252   gfx.override_level_sounds   = FALSE;
6253   gfx.override_level_music    = FALSE;
6254
6255   // now check if this level set has definitions for custom elements
6256   if (setup.override_level_graphics == AUTO ||
6257       setup.override_level_sounds   == AUTO ||
6258       setup.override_level_music    == AUTO)
6259     redefined_ce_found =
6260       (CheckArtworkTypeForRedefinedCustomElements(ARTWORK_TYPE_GRAPHICS) |
6261        CheckArtworkTypeForRedefinedCustomElements(ARTWORK_TYPE_SOUNDS) |
6262        CheckArtworkTypeForRedefinedCustomElements(ARTWORK_TYPE_MUSIC));
6263
6264 #if 0
6265   Debug("init:InitOverrideArtwork", "redefined_ce_found == %d",
6266         redefined_ce_found);
6267 #endif
6268
6269   if (redefined_ce_found)
6270   {
6271     // this level set has CE definitions: change "AUTO" to "FALSE"
6272     gfx.override_level_graphics = (setup.override_level_graphics == TRUE);
6273     gfx.override_level_sounds   = (setup.override_level_sounds   == TRUE);
6274     gfx.override_level_music    = (setup.override_level_music    == TRUE);
6275   }
6276   else
6277   {
6278     // this level set has no CE definitions: change "AUTO" to "TRUE"
6279     gfx.override_level_graphics = (setup.override_level_graphics != FALSE);
6280     gfx.override_level_sounds   = (setup.override_level_sounds   != FALSE);
6281     gfx.override_level_music    = (setup.override_level_music    != FALSE);
6282   }
6283
6284 #if 0
6285   Debug("init:InitOverrideArtwork", "%d, %d, %d",
6286         gfx.override_level_graphics,
6287         gfx.override_level_sounds,
6288         gfx.override_level_music);
6289 #endif
6290 }
6291
6292 static char *setNewArtworkIdentifier(int type)
6293 {
6294   static char *last_leveldir_identifier[3] = { NULL, NULL, NULL };
6295   static char *last_artwork_identifier[3] = { NULL, NULL, NULL };
6296   static boolean last_override_level_artwork[3] = { FALSE, FALSE, FALSE };
6297   static boolean last_has_custom_artwork_set[3] = { FALSE, FALSE, FALSE };
6298   static boolean initialized[3] = { FALSE, FALSE, FALSE };
6299   TreeInfo *artwork_first_node = ARTWORK_FIRST_NODE(artwork, type);
6300   boolean setup_override_artwork = GFX_OVERRIDE_ARTWORK(type);
6301   char *setup_artwork_set = SETUP_ARTWORK_SET(setup, type);
6302   char *leveldir_identifier = leveldir_current->identifier;
6303   // !!! setLevelArtworkDir() should be moved to an earlier stage !!!
6304   char *leveldir_artwork_set = setLevelArtworkDir(artwork_first_node);
6305   boolean has_level_artwork_set = (leveldir_artwork_set != NULL);
6306   TreeInfo *custom_artwork_set =
6307     getTreeInfoFromIdentifier(artwork_first_node, leveldir_identifier);
6308   boolean has_custom_artwork_set = (custom_artwork_set != NULL);
6309   char *artwork_current_identifier;
6310   char *artwork_new_identifier = NULL;  // default: nothing has changed
6311
6312   // leveldir_current may be invalid (level group, parent link)
6313   if (!validLevelSeries(leveldir_current))
6314     return NULL;
6315
6316   /* 1st step: determine artwork set to be activated in descending order:
6317      --------------------------------------------------------------------
6318      1. setup artwork (when configured to override everything else)
6319      2. artwork set configured in "levelinfo.conf" of current level set
6320         (artwork in level directory will have priority when loading later)
6321      3. artwork in level directory (stored in artwork sub-directory)
6322      4. setup artwork (currently configured in setup menu) */
6323
6324   if (setup_override_artwork)
6325     artwork_current_identifier = setup_artwork_set;
6326   else if (has_level_artwork_set)
6327     artwork_current_identifier = leveldir_artwork_set;
6328   else if (has_custom_artwork_set)
6329     artwork_current_identifier = leveldir_identifier;
6330   else
6331     artwork_current_identifier = setup_artwork_set;
6332
6333   /* 2nd step: check if it is really needed to reload artwork set
6334      ------------------------------------------------------------ */
6335
6336   // ---------- reload if level set and also artwork set has changed ----------
6337   if (last_leveldir_identifier[type] != leveldir_identifier &&
6338       (last_has_custom_artwork_set[type] || has_custom_artwork_set))
6339     artwork_new_identifier = artwork_current_identifier;
6340
6341   last_leveldir_identifier[type] = leveldir_identifier;
6342   last_has_custom_artwork_set[type] = has_custom_artwork_set;
6343
6344   // ---------- reload if "override artwork" setting has changed --------------
6345   if (last_override_level_artwork[type] != setup_override_artwork)
6346     artwork_new_identifier = artwork_current_identifier;
6347
6348   last_override_level_artwork[type] = setup_override_artwork;
6349
6350   // ---------- reload if current artwork identifier has changed --------------
6351   if (!strEqual(last_artwork_identifier[type], artwork_current_identifier))
6352     artwork_new_identifier = artwork_current_identifier;
6353
6354   // (we cannot compare string pointers here, so copy string content itself)
6355   setString(&last_artwork_identifier[type], artwork_current_identifier);
6356
6357   // ---------- set new artwork identifier ----------
6358   *(ARTWORK_CURRENT_IDENTIFIER_PTR(artwork, type)) = artwork_current_identifier;
6359
6360   // ---------- do not reload directly after starting -------------------------
6361   if (!initialized[type])
6362     artwork_new_identifier = NULL;
6363
6364   initialized[type] = TRUE;
6365
6366   return artwork_new_identifier;
6367 }
6368
6369 static void InitArtworkIdentifier(void)
6370 {
6371   setNewArtworkIdentifier(ARTWORK_TYPE_GRAPHICS);
6372   setNewArtworkIdentifier(ARTWORK_TYPE_SOUNDS);
6373   setNewArtworkIdentifier(ARTWORK_TYPE_MUSIC);
6374 }
6375
6376 void ReloadCustomArtwork(int force_reload)
6377 {
6378   int last_game_status = game_status;   // save current game status
6379   char *gfx_new_identifier;
6380   char *snd_new_identifier;
6381   char *mus_new_identifier;
6382   boolean force_reload_gfx = (force_reload & (1 << ARTWORK_TYPE_GRAPHICS));
6383   boolean force_reload_snd = (force_reload & (1 << ARTWORK_TYPE_SOUNDS));
6384   boolean force_reload_mus = (force_reload & (1 << ARTWORK_TYPE_MUSIC));
6385   boolean reload_needed;
6386
6387   InitOverrideArtwork();
6388
6389   AdjustGraphicsForEMC();
6390   AdjustSoundsForEMC();
6391
6392   gfx_new_identifier = setNewArtworkIdentifier(ARTWORK_TYPE_GRAPHICS);
6393   snd_new_identifier = setNewArtworkIdentifier(ARTWORK_TYPE_SOUNDS);
6394   mus_new_identifier = setNewArtworkIdentifier(ARTWORK_TYPE_MUSIC);
6395
6396   reload_needed = (gfx_new_identifier != NULL || force_reload_gfx ||
6397                    snd_new_identifier != NULL || force_reload_snd ||
6398                    mus_new_identifier != NULL || force_reload_mus);
6399
6400   if (!reload_needed)
6401     return;
6402
6403   print_timestamp_init("ReloadCustomArtwork");
6404
6405   SetGameStatus(GAME_MODE_LOADING);
6406
6407   FadeOut(REDRAW_ALL);
6408
6409   SetLoadingBackgroundImage();
6410
6411   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
6412   print_timestamp_time("ClearRectangleOnBackground");
6413
6414   FadeIn(REDRAW_ALL);
6415
6416   UPDATE_BUSY_STATE();
6417
6418   InitMissingFileHash();
6419
6420   if (gfx_new_identifier != NULL || force_reload_gfx)
6421   {
6422 #if 0
6423     Debug("init:ReloadCustomArtwork",
6424           "RELOADING GRAPHICS '%s' -> '%s' ['%s', '%s']",
6425           artwork.gfx_current_identifier,
6426           gfx_new_identifier,
6427           artwork.gfx_current->identifier,
6428           leveldir_current->graphics_set);
6429 #endif
6430
6431     InitImages();
6432     print_timestamp_time("InitImages");
6433   }
6434
6435   if (snd_new_identifier != NULL || force_reload_snd)
6436   {
6437     InitSound();
6438     print_timestamp_time("InitSound");
6439   }
6440
6441   if (mus_new_identifier != NULL || force_reload_mus)
6442   {
6443     InitMusic();
6444     print_timestamp_time("InitMusic");
6445   }
6446
6447   InitArtworkDone();
6448
6449   SetGameStatus(last_game_status);      // restore current game status
6450
6451   FadeOut(REDRAW_ALL);
6452
6453   RedrawGlobalBorder();
6454
6455   // force redraw of (open or closed) door graphics
6456   SetDoorState(DOOR_OPEN_ALL);
6457   CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
6458
6459   FadeSetEnterScreen();
6460   FadeSkipNextFadeOut();
6461
6462   print_timestamp_done("ReloadCustomArtwork");
6463
6464   LimitScreenUpdates(FALSE);
6465 }
6466
6467 void KeyboardAutoRepeatOffUnlessAutoplay(void)
6468 {
6469   if (global.autoplay_leveldir == NULL)
6470     KeyboardAutoRepeatOff();
6471 }
6472
6473 void DisplayExitMessage(char *format, va_list ap)
6474 {
6475   // also check for initialized video (headless flag may be temporarily unset)
6476   if (program.headless || !video.initialized)
6477     return;
6478
6479   // check if draw buffer and fonts for exit message are already available
6480   if (drawto == NULL || font_initial[NUM_INITIAL_FONTS - 1].bitmap == NULL)
6481     return;
6482
6483   int font_1 = FC_RED;
6484   int font_2 = FC_YELLOW;
6485   int font_3 = FC_BLUE;
6486   int font_width = getFontWidth(font_2);
6487   int font_height = getFontHeight(font_2);
6488   int sx = SX;
6489   int sy = SY;
6490   int sxsize = WIN_XSIZE - 2 * sx;
6491   int sysize = WIN_YSIZE - 2 * sy;
6492   int line_length = sxsize / font_width;
6493   int max_lines = sysize / font_height;
6494   int num_lines_printed;
6495
6496   gfx.sx = sx;
6497   gfx.sy = sy;
6498   gfx.sxsize = sxsize;
6499   gfx.sysize = sysize;
6500
6501   sy = 20;
6502
6503   ClearRectangle(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
6504
6505   DrawTextSCentered(sy, font_1, "Fatal error:");
6506   sy += 3 * font_height;;
6507
6508   num_lines_printed =
6509     DrawTextBufferVA(sx, sy, format, ap, font_2,
6510                      line_length, line_length, max_lines,
6511                      0, BLIT_ON_BACKGROUND, TRUE, TRUE, FALSE);
6512   sy += (num_lines_printed + 3) * font_height;
6513
6514   DrawTextSCentered(sy, font_1, "For details, see the following error file:");
6515   sy += 3 * font_height;
6516
6517   num_lines_printed =
6518     DrawTextBuffer(sx, sy, program.log_filename, font_2,
6519                    line_length, line_length, max_lines,
6520                    0, BLIT_ON_BACKGROUND, TRUE, TRUE, FALSE);
6521
6522   DrawTextSCentered(SYSIZE - 20, font_3, "Press any key or button to exit");
6523
6524   redraw_mask = REDRAW_ALL;
6525
6526   // force drawing exit message even if screen updates are currently limited
6527   LimitScreenUpdates(FALSE);
6528
6529   BackToFront();
6530
6531   // deactivate toons and global animations on error message screen
6532   setup.global_animations = FALSE;
6533
6534   WaitForEventToContinue();
6535 }
6536
6537
6538 // ============================================================================
6539 // OpenAll()
6540 // ============================================================================
6541
6542 void OpenAll(void)
6543 {
6544   print_timestamp_init("OpenAll");
6545
6546   SetGameStatus(GAME_MODE_LOADING);
6547
6548   InitCounter();
6549
6550   InitGlobal();                 // initialize some global variables
6551
6552   InitRND(NEW_RANDOMIZE);
6553   InitSimpleRandom(NEW_RANDOMIZE);
6554   InitBetterRandom(NEW_RANDOMIZE);
6555
6556   InitMissingFileHash();
6557
6558   print_timestamp_time("[init global stuff]");
6559
6560   InitSetup();
6561
6562   print_timestamp_time("[init setup/config stuff (1)]");
6563
6564   if (options.execute_command)
6565     Execute_Command(options.execute_command);
6566
6567   InitNetworkSettings();
6568
6569   InitRuntimeInfo();
6570
6571   if (network.serveronly)
6572   {
6573 #if defined(PLATFORM_UNIX)
6574     NetworkServer(network.server_port, TRUE);
6575 #else
6576     Warn("networking only supported in Unix version");
6577 #endif
6578
6579     exit(0);                    // never reached, server loops forever
6580   }
6581
6582   InitGameInfo();
6583   print_timestamp_time("[init setup/config stuff (2)]");
6584   InitPlayerInfo();
6585   print_timestamp_time("[init setup/config stuff (3)]");
6586   InitArtworkInfo();            // needed before loading gfx, sound & music
6587   print_timestamp_time("[init setup/config stuff (4)]");
6588   InitArtworkConfig();          // needed before forking sound child process
6589   print_timestamp_time("[init setup/config stuff (5)]");
6590   InitMixer();
6591   print_timestamp_time("[init setup/config stuff (6)]");
6592
6593   InitJoysticks();
6594
6595   print_timestamp_time("[init setup/config stuff]");
6596
6597   InitVideoDefaults();
6598   InitVideoDisplay();
6599   InitVideoBuffer(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH, setup.fullscreen);
6600   InitVideoOverlay();
6601
6602   InitEventFilter(FilterMouseMotionEvents);
6603
6604   print_timestamp_time("[init video stuff]");
6605
6606   InitElementPropertiesStatic();
6607   InitElementPropertiesEngine(GAME_VERSION_ACTUAL);
6608   InitElementPropertiesGfxElement();
6609
6610   print_timestamp_time("[init element properties stuff]");
6611
6612   InitGfx();
6613   InitSnd();
6614
6615   print_timestamp_time("InitGfx");
6616
6617   InitLevelInfo();
6618   print_timestamp_time("InitLevelInfo");
6619
6620   InitLevelArtworkInfo();
6621   print_timestamp_time("InitLevelArtworkInfo");
6622
6623   InitOverrideArtwork();        // needs to know current level directory
6624   print_timestamp_time("InitOverrideArtwork");
6625
6626   InitArtworkIdentifier();      // needs to know current level directory
6627   print_timestamp_time("InitArtworkIdentifier");
6628
6629   InitImages();                 // needs to know current level directory
6630   print_timestamp_time("InitImages");
6631
6632   InitSound();                  // needs to know current level directory
6633   print_timestamp_time("InitSound");
6634
6635   InitMusic();                  // needs to know current level directory
6636   print_timestamp_time("InitMusic");
6637
6638   InitArtworkDone();
6639
6640   InitGfxBackground();
6641
6642   bd_open_all();
6643   em_open_all();
6644   sp_open_all();
6645   mm_open_all();
6646
6647   if (global.autoplay_leveldir)
6648   {
6649     AutoPlayTapes();
6650     return;
6651   }
6652   else if (global.patchtapes_leveldir)
6653   {
6654     PatchTapes();
6655     return;
6656   }
6657   else if (global.convert_leveldir)
6658   {
6659     ConvertLevels();
6660     return;
6661   }
6662   else if (global.dumplevel_leveldir)
6663   {
6664     DumpLevels();
6665     return;
6666   }
6667   else if (global.dumptape_leveldir)
6668   {
6669     DumpTapes();
6670     return;
6671   }
6672   else if (global.create_sketch_images_dir)
6673   {
6674     CreateLevelSketchImages();
6675     return;
6676   }
6677   else if (global.create_collect_images_dir)
6678   {
6679     CreateCollectElementImages();
6680     return;
6681   }
6682
6683   InitNetworkServer();
6684
6685   SetGameStatus(GAME_MODE_MAIN);
6686
6687   FadeSetEnterScreen();
6688   if (!(fading.fade_mode & FADE_TYPE_TRANSFORM))
6689     FadeSkipNextFadeOut();
6690
6691   print_timestamp_time("[post-artwork]");
6692
6693   print_timestamp_done("OpenAll");
6694
6695   if (setup.ask_for_remaining_tapes)
6696     setup.ask_for_uploading_tapes = TRUE;
6697
6698   DrawMainMenu();
6699
6700 #if 0
6701   Debug("internal:path", "SDL_GetBasePath() == '%s'",
6702         SDL_GetBasePath());
6703   Debug("internal:path", "SDL_GetPrefPath() == '%s'",
6704         SDL_GetPrefPath("artsoft", "rocksndiamonds"));
6705 #if defined(PLATFORM_ANDROID)
6706   Debug("internal:path", "SDL_AndroidGetInternalStoragePath() == '%s'",
6707         SDL_AndroidGetInternalStoragePath());
6708   Debug("internal:path", "SDL_AndroidGetExternalStoragePath() == '%s'",
6709         SDL_AndroidGetExternalStoragePath());
6710   Debug("internal:path", "SDL_AndroidGetExternalStorageState() == '%s'",
6711         (SDL_AndroidGetExternalStorageState() &
6712          SDL_ANDROID_EXTERNAL_STORAGE_WRITE ? "writable" :
6713          SDL_AndroidGetExternalStorageState() &
6714          SDL_ANDROID_EXTERNAL_STORAGE_READ ? "readable" : "not available"));
6715 #endif
6716 #endif
6717 }
6718
6719 static boolean WaitForApiThreads(void)
6720 {
6721   DelayCounter thread_delay = { 10000 };
6722
6723   if (program.api_thread_count == 0)
6724     return TRUE;
6725
6726   // deactivate global animations (not accessible in game state "loading")
6727   setup.global_animations = FALSE;
6728
6729   // set game state to "loading" to be able to show busy animation
6730   SetGameStatus(GAME_MODE_LOADING);
6731
6732   ResetDelayCounter(&thread_delay);
6733
6734   // wait for threads to finish (and fail on timeout)
6735   while (program.api_thread_count > 0)
6736   {
6737     if (DelayReached(&thread_delay))
6738     {
6739       Error("failed waiting for threads - TIMEOUT");
6740
6741       return FALSE;
6742     }
6743
6744     UPDATE_BUSY_STATE();
6745
6746     Delay(20);
6747   }
6748
6749   return TRUE;
6750 }
6751
6752 void CloseAllAndExit(int exit_value)
6753 {
6754   WaitForApiThreads();
6755
6756   StopSounds();
6757   FreeAllSounds();
6758   FreeAllMusic();
6759   CloseAudio();         // called after freeing sounds (needed for SDL)
6760
6761   bd_close_all();
6762   em_close_all();
6763   sp_close_all();
6764
6765   FreeAllImages();
6766
6767   // !!! TODO !!!
6768   // set a flag to tell the network server thread to quit and wait for it
6769   // using SDL_WaitThread()
6770   //
6771   // Code used with SDL 1.2:
6772   // if (network.server_thread) // terminate network server
6773   //   SDL_KillThread(network.server_thread);
6774
6775   CloseVideoDisplay();
6776   ClosePlatformDependentStuff();
6777
6778   if (exit_value != 0 && !options.execute_command)
6779   {
6780     // fall back to default level set (current set may have caused an error)
6781     SaveLevelSetup_LastSeries_Deactivate();
6782
6783     // tell user where to find error log file which may contain more details
6784     // (error notification now directly displayed on screen inside R'n'D
6785     // NotifyUserAboutErrorFile();      // currently only works for Windows
6786   }
6787
6788   exit(exit_value);
6789 }