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_EMC_MAGIC_BALL,
4289     EL_EMC_ANDROID,
4290     EL_MM_GRAY_BALL,
4291
4292     -1
4293   };
4294
4295   static int ep_can_turn_each_move[] =
4296   {
4297     // !!! do something with this one !!!
4298     -1
4299   };
4300
4301   static int ep_can_grow[] =
4302   {
4303     EL_BD_AMOEBA,
4304     EL_AMOEBA_DROP,
4305     EL_AMOEBA_WET,
4306     EL_AMOEBA_DRY,
4307     EL_AMOEBA_FULL,
4308     EL_GAME_OF_LIFE,
4309     EL_BIOMAZE,
4310     EL_EMC_DRIPPER,
4311
4312     -1
4313   };
4314
4315   static int ep_active_bomb[] =
4316   {
4317     EL_DYNAMITE_ACTIVE,
4318     EL_EM_DYNAMITE_ACTIVE,
4319     EL_DYNABOMB_PLAYER_1_ACTIVE,
4320     EL_DYNABOMB_PLAYER_2_ACTIVE,
4321     EL_DYNABOMB_PLAYER_3_ACTIVE,
4322     EL_DYNABOMB_PLAYER_4_ACTIVE,
4323     EL_SP_DISK_RED_ACTIVE,
4324
4325     -1
4326   };
4327
4328   static int ep_inactive[] =
4329   {
4330     EL_EMPTY,
4331     EL_EMPTY_SPACE_1,
4332     EL_EMPTY_SPACE_2,
4333     EL_EMPTY_SPACE_3,
4334     EL_EMPTY_SPACE_4,
4335     EL_EMPTY_SPACE_5,
4336     EL_EMPTY_SPACE_6,
4337     EL_EMPTY_SPACE_7,
4338     EL_EMPTY_SPACE_8,
4339     EL_EMPTY_SPACE_9,
4340     EL_EMPTY_SPACE_10,
4341     EL_EMPTY_SPACE_11,
4342     EL_EMPTY_SPACE_12,
4343     EL_EMPTY_SPACE_13,
4344     EL_EMPTY_SPACE_14,
4345     EL_EMPTY_SPACE_15,
4346     EL_EMPTY_SPACE_16,
4347     EL_SAND,
4348     EL_WALL,
4349     EL_BD_WALL,
4350     EL_WALL_SLIPPERY,
4351     EL_STEELWALL,
4352     EL_AMOEBA_DEAD,
4353     EL_QUICKSAND_EMPTY,
4354     EL_QUICKSAND_FAST_EMPTY,
4355     EL_STONEBLOCK,
4356     EL_ROBOT_WHEEL,
4357     EL_KEY_1,
4358     EL_KEY_2,
4359     EL_KEY_3,
4360     EL_KEY_4,
4361     EL_EM_KEY_1,
4362     EL_EM_KEY_2,
4363     EL_EM_KEY_3,
4364     EL_EM_KEY_4,
4365     EL_EMC_KEY_5,
4366     EL_EMC_KEY_6,
4367     EL_EMC_KEY_7,
4368     EL_EMC_KEY_8,
4369     EL_GATE_1,
4370     EL_GATE_2,
4371     EL_GATE_3,
4372     EL_GATE_4,
4373     EL_GATE_1_GRAY,
4374     EL_GATE_2_GRAY,
4375     EL_GATE_3_GRAY,
4376     EL_GATE_4_GRAY,
4377     EL_GATE_1_GRAY_ACTIVE,
4378     EL_GATE_2_GRAY_ACTIVE,
4379     EL_GATE_3_GRAY_ACTIVE,
4380     EL_GATE_4_GRAY_ACTIVE,
4381     EL_EM_GATE_1,
4382     EL_EM_GATE_2,
4383     EL_EM_GATE_3,
4384     EL_EM_GATE_4,
4385     EL_EM_GATE_1_GRAY,
4386     EL_EM_GATE_2_GRAY,
4387     EL_EM_GATE_3_GRAY,
4388     EL_EM_GATE_4_GRAY,
4389     EL_EM_GATE_1_GRAY_ACTIVE,
4390     EL_EM_GATE_2_GRAY_ACTIVE,
4391     EL_EM_GATE_3_GRAY_ACTIVE,
4392     EL_EM_GATE_4_GRAY_ACTIVE,
4393     EL_EMC_GATE_5,
4394     EL_EMC_GATE_6,
4395     EL_EMC_GATE_7,
4396     EL_EMC_GATE_8,
4397     EL_EMC_GATE_5_GRAY,
4398     EL_EMC_GATE_6_GRAY,
4399     EL_EMC_GATE_7_GRAY,
4400     EL_EMC_GATE_8_GRAY,
4401     EL_EMC_GATE_5_GRAY_ACTIVE,
4402     EL_EMC_GATE_6_GRAY_ACTIVE,
4403     EL_EMC_GATE_7_GRAY_ACTIVE,
4404     EL_EMC_GATE_8_GRAY_ACTIVE,
4405     EL_DC_GATE_WHITE,
4406     EL_DC_GATE_WHITE_GRAY,
4407     EL_DC_GATE_WHITE_GRAY_ACTIVE,
4408     EL_DC_GATE_FAKE_GRAY,
4409     EL_DYNAMITE,
4410     EL_EM_DYNAMITE,
4411     EL_INVISIBLE_STEELWALL,
4412     EL_INVISIBLE_WALL,
4413     EL_INVISIBLE_SAND,
4414     EL_LAMP,
4415     EL_LAMP_ACTIVE,
4416     EL_WALL_EMERALD,
4417     EL_WALL_DIAMOND,
4418     EL_WALL_BD_DIAMOND,
4419     EL_WALL_EMERALD_YELLOW,
4420     EL_DYNABOMB_INCREASE_NUMBER,
4421     EL_DYNABOMB_INCREASE_SIZE,
4422     EL_DYNABOMB_INCREASE_POWER,
4423 #if 0
4424     EL_SOKOBAN_OBJECT,
4425 #endif
4426     EL_SOKOBAN_FIELD_EMPTY,
4427     EL_SOKOBAN_FIELD_FULL,
4428     EL_WALL_EMERALD_RED,
4429     EL_WALL_EMERALD_PURPLE,
4430     EL_ACID_POOL_TOPLEFT,
4431     EL_ACID_POOL_TOPRIGHT,
4432     EL_ACID_POOL_BOTTOMLEFT,
4433     EL_ACID_POOL_BOTTOM,
4434     EL_ACID_POOL_BOTTOMRIGHT,
4435     EL_MAGIC_WALL,
4436     EL_MAGIC_WALL_DEAD,
4437     EL_BD_MAGIC_WALL,
4438     EL_BD_MAGIC_WALL_DEAD,
4439     EL_DC_MAGIC_WALL,
4440     EL_DC_MAGIC_WALL_DEAD,
4441     EL_AMOEBA_TO_DIAMOND,
4442     EL_BLOCKED,
4443     EL_SP_EMPTY,
4444     EL_SP_BASE,
4445     EL_SP_PORT_RIGHT,
4446     EL_SP_PORT_DOWN,
4447     EL_SP_PORT_LEFT,
4448     EL_SP_PORT_UP,
4449     EL_SP_GRAVITY_PORT_RIGHT,
4450     EL_SP_GRAVITY_PORT_DOWN,
4451     EL_SP_GRAVITY_PORT_LEFT,
4452     EL_SP_GRAVITY_PORT_UP,
4453     EL_SP_PORT_HORIZONTAL,
4454     EL_SP_PORT_VERTICAL,
4455     EL_SP_PORT_ANY,
4456     EL_SP_DISK_RED,
4457 #if 0
4458     EL_SP_DISK_YELLOW,
4459 #endif
4460     EL_SP_CHIP_SINGLE,
4461     EL_SP_CHIP_LEFT,
4462     EL_SP_CHIP_RIGHT,
4463     EL_SP_CHIP_TOP,
4464     EL_SP_CHIP_BOTTOM,
4465     EL_SP_HARDWARE_GRAY,
4466     EL_SP_HARDWARE_GREEN,
4467     EL_SP_HARDWARE_BLUE,
4468     EL_SP_HARDWARE_RED,
4469     EL_SP_HARDWARE_YELLOW,
4470     EL_SP_HARDWARE_BASE_1,
4471     EL_SP_HARDWARE_BASE_2,
4472     EL_SP_HARDWARE_BASE_3,
4473     EL_SP_HARDWARE_BASE_4,
4474     EL_SP_HARDWARE_BASE_5,
4475     EL_SP_HARDWARE_BASE_6,
4476     EL_SP_GRAVITY_ON_PORT_LEFT,
4477     EL_SP_GRAVITY_ON_PORT_RIGHT,
4478     EL_SP_GRAVITY_ON_PORT_UP,
4479     EL_SP_GRAVITY_ON_PORT_DOWN,
4480     EL_SP_GRAVITY_OFF_PORT_LEFT,
4481     EL_SP_GRAVITY_OFF_PORT_RIGHT,
4482     EL_SP_GRAVITY_OFF_PORT_UP,
4483     EL_SP_GRAVITY_OFF_PORT_DOWN,
4484     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4485     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4486     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4487     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4488     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4489     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4490     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4491     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4492     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4493     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4494     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4495     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4496     EL_SIGN_EXCLAMATION,
4497     EL_SIGN_RADIOACTIVITY,
4498     EL_SIGN_STOP,
4499     EL_SIGN_WHEELCHAIR,
4500     EL_SIGN_PARKING,
4501     EL_SIGN_NO_ENTRY,
4502     EL_SIGN_UNUSED_1,
4503     EL_SIGN_GIVE_WAY,
4504     EL_SIGN_ENTRY_FORBIDDEN,
4505     EL_SIGN_EMERGENCY_EXIT,
4506     EL_SIGN_YIN_YANG,
4507     EL_SIGN_UNUSED_2,
4508     EL_SIGN_SPERMS,
4509     EL_SIGN_BULLET,
4510     EL_SIGN_HEART,
4511     EL_SIGN_CROSS,
4512     EL_SIGN_FRANKIE,
4513     EL_DC_STEELWALL_1_LEFT,
4514     EL_DC_STEELWALL_1_RIGHT,
4515     EL_DC_STEELWALL_1_TOP,
4516     EL_DC_STEELWALL_1_BOTTOM,
4517     EL_DC_STEELWALL_1_HORIZONTAL,
4518     EL_DC_STEELWALL_1_VERTICAL,
4519     EL_DC_STEELWALL_1_TOPLEFT,
4520     EL_DC_STEELWALL_1_TOPRIGHT,
4521     EL_DC_STEELWALL_1_BOTTOMLEFT,
4522     EL_DC_STEELWALL_1_BOTTOMRIGHT,
4523     EL_DC_STEELWALL_1_TOPLEFT_2,
4524     EL_DC_STEELWALL_1_TOPRIGHT_2,
4525     EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4526     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4527     EL_DC_STEELWALL_2_LEFT,
4528     EL_DC_STEELWALL_2_RIGHT,
4529     EL_DC_STEELWALL_2_TOP,
4530     EL_DC_STEELWALL_2_BOTTOM,
4531     EL_DC_STEELWALL_2_HORIZONTAL,
4532     EL_DC_STEELWALL_2_VERTICAL,
4533     EL_DC_STEELWALL_2_MIDDLE,
4534     EL_DC_STEELWALL_2_SINGLE,
4535     EL_STEELWALL_SLIPPERY,
4536     EL_EMC_STEELWALL_1,
4537     EL_EMC_STEELWALL_2,
4538     EL_EMC_STEELWALL_3,
4539     EL_EMC_STEELWALL_4,
4540     EL_EMC_WALL_SLIPPERY_1,
4541     EL_EMC_WALL_SLIPPERY_2,
4542     EL_EMC_WALL_SLIPPERY_3,
4543     EL_EMC_WALL_SLIPPERY_4,
4544     EL_EMC_WALL_1,
4545     EL_EMC_WALL_2,
4546     EL_EMC_WALL_3,
4547     EL_EMC_WALL_4,
4548     EL_EMC_WALL_5,
4549     EL_EMC_WALL_6,
4550     EL_EMC_WALL_7,
4551     EL_EMC_WALL_8,
4552     EL_EMC_WALL_9,
4553     EL_EMC_WALL_10,
4554     EL_EMC_WALL_11,
4555     EL_EMC_WALL_12,
4556     EL_EMC_WALL_13,
4557     EL_EMC_WALL_14,
4558     EL_EMC_WALL_15,
4559     EL_EMC_WALL_16,
4560
4561     -1
4562   };
4563
4564   static int ep_em_slippery_wall[] =
4565   {
4566     -1
4567   };
4568
4569   static int ep_gfx_crumbled[] =
4570   {
4571     EL_SAND,
4572     EL_LANDMINE,
4573     EL_DC_LANDMINE,
4574     EL_TRAP,
4575     EL_TRAP_ACTIVE,
4576
4577     -1
4578   };
4579
4580   static int ep_editor_cascade_active[] =
4581   {
4582     EL_INTERNAL_CASCADE_BD_ACTIVE,
4583     EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
4584     EL_INTERNAL_CASCADE_EM_ACTIVE,
4585     EL_INTERNAL_CASCADE_EMC_ACTIVE,
4586     EL_INTERNAL_CASCADE_RND_ACTIVE,
4587     EL_INTERNAL_CASCADE_SB_ACTIVE,
4588     EL_INTERNAL_CASCADE_SP_ACTIVE,
4589     EL_INTERNAL_CASCADE_DC_ACTIVE,
4590     EL_INTERNAL_CASCADE_DX_ACTIVE,
4591     EL_INTERNAL_CASCADE_MM_ACTIVE,
4592     EL_INTERNAL_CASCADE_DF_ACTIVE,
4593     EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4594     EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4595     EL_INTERNAL_CASCADE_CE_ACTIVE,
4596     EL_INTERNAL_CASCADE_GE_ACTIVE,
4597     EL_INTERNAL_CASCADE_ES_ACTIVE,
4598     EL_INTERNAL_CASCADE_REF_ACTIVE,
4599     EL_INTERNAL_CASCADE_USER_ACTIVE,
4600     EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
4601
4602     -1
4603   };
4604
4605   static int ep_editor_cascade_inactive[] =
4606   {
4607     EL_INTERNAL_CASCADE_BD,
4608     EL_INTERNAL_CASCADE_BD_NATIVE,
4609     EL_INTERNAL_CASCADE_EM,
4610     EL_INTERNAL_CASCADE_EMC,
4611     EL_INTERNAL_CASCADE_RND,
4612     EL_INTERNAL_CASCADE_SB,
4613     EL_INTERNAL_CASCADE_SP,
4614     EL_INTERNAL_CASCADE_DC,
4615     EL_INTERNAL_CASCADE_DX,
4616     EL_INTERNAL_CASCADE_MM,
4617     EL_INTERNAL_CASCADE_DF,
4618     EL_INTERNAL_CASCADE_CHARS,
4619     EL_INTERNAL_CASCADE_STEEL_CHARS,
4620     EL_INTERNAL_CASCADE_CE,
4621     EL_INTERNAL_CASCADE_GE,
4622     EL_INTERNAL_CASCADE_ES,
4623     EL_INTERNAL_CASCADE_REF,
4624     EL_INTERNAL_CASCADE_USER,
4625     EL_INTERNAL_CASCADE_DYNAMIC,
4626
4627     -1
4628   };
4629
4630   static int ep_obsolete[] =
4631   {
4632     EL_PLAYER_OBSOLETE,
4633     EL_KEY_OBSOLETE,
4634     EL_EM_KEY_1_FILE_OBSOLETE,
4635     EL_EM_KEY_2_FILE_OBSOLETE,
4636     EL_EM_KEY_3_FILE_OBSOLETE,
4637     EL_EM_KEY_4_FILE_OBSOLETE,
4638     EL_ENVELOPE_OBSOLETE,
4639
4640     -1
4641   };
4642
4643   static struct
4644   {
4645     int *elements;
4646     int property;
4647   } element_properties[] =
4648   {
4649     { ep_diggable,                      EP_DIGGABLE                     },
4650     { ep_collectible_only,              EP_COLLECTIBLE_ONLY             },
4651     { ep_dont_run_into,                 EP_DONT_RUN_INTO                },
4652     { ep_dont_collide_with,             EP_DONT_COLLIDE_WITH            },
4653     { ep_dont_touch,                    EP_DONT_TOUCH                   },
4654     { ep_indestructible,                EP_INDESTRUCTIBLE               },
4655     { ep_slippery,                      EP_SLIPPERY                     },
4656     { ep_can_change,                    EP_CAN_CHANGE                   },
4657     { ep_can_move,                      EP_CAN_MOVE                     },
4658     { ep_can_fall,                      EP_CAN_FALL                     },
4659     { ep_can_smash_player,              EP_CAN_SMASH_PLAYER             },
4660     { ep_can_smash_enemies,             EP_CAN_SMASH_ENEMIES            },
4661     { ep_can_smash_everything,          EP_CAN_SMASH_EVERYTHING         },
4662     { ep_explodes_by_fire,              EP_EXPLODES_BY_FIRE             },
4663     { ep_explodes_smashed,              EP_EXPLODES_SMASHED             },
4664     { ep_explodes_impact,               EP_EXPLODES_IMPACT              },
4665     { ep_walkable_over,                 EP_WALKABLE_OVER                },
4666     { ep_walkable_inside,               EP_WALKABLE_INSIDE              },
4667     { ep_walkable_under,                EP_WALKABLE_UNDER               },
4668     { ep_passable_over,                 EP_PASSABLE_OVER                },
4669     { ep_passable_inside,               EP_PASSABLE_INSIDE              },
4670     { ep_passable_under,                EP_PASSABLE_UNDER               },
4671     { ep_droppable,                     EP_DROPPABLE                    },
4672     { ep_explodes_1x1_old,              EP_EXPLODES_1X1_OLD             },
4673     { ep_pushable,                      EP_PUSHABLE                     },
4674     { ep_explodes_cross_old,            EP_EXPLODES_CROSS_OLD           },
4675     { ep_protected,                     EP_PROTECTED                    },
4676     { ep_throwable,                     EP_THROWABLE                    },
4677     { ep_can_explode,                   EP_CAN_EXPLODE                  },
4678     { ep_gravity_reachable,             EP_GRAVITY_REACHABLE            },
4679
4680     { ep_empty_space,                   EP_EMPTY_SPACE                  },
4681     { ep_player,                        EP_PLAYER                       },
4682     { ep_can_pass_magic_wall,           EP_CAN_PASS_MAGIC_WALL          },
4683     { ep_can_pass_dc_magic_wall,        EP_CAN_PASS_DC_MAGIC_WALL       },
4684     { ep_switchable,                    EP_SWITCHABLE                   },
4685     { ep_bd_element,                    EP_BD_ELEMENT                   },
4686     { ep_sp_element,                    EP_SP_ELEMENT                   },
4687     { ep_sb_element,                    EP_SB_ELEMENT                   },
4688     { ep_gem,                           EP_GEM                          },
4689     { ep_food_dark_yamyam,              EP_FOOD_DARK_YAMYAM             },
4690     { ep_food_penguin,                  EP_FOOD_PENGUIN                 },
4691     { ep_food_pig,                      EP_FOOD_PIG                     },
4692     { ep_historic_wall,                 EP_HISTORIC_WALL                },
4693     { ep_historic_solid,                EP_HISTORIC_SOLID               },
4694     { ep_classic_enemy,                 EP_CLASSIC_ENEMY                },
4695     { ep_belt,                          EP_BELT                         },
4696     { ep_belt_active,                   EP_BELT_ACTIVE                  },
4697     { ep_belt_switch,                   EP_BELT_SWITCH                  },
4698     { ep_tube,                          EP_TUBE                         },
4699     { ep_acid_pool,                     EP_ACID_POOL                    },
4700     { ep_keygate,                       EP_KEYGATE                      },
4701     { ep_amoeboid,                      EP_AMOEBOID                     },
4702     { ep_amoebalive,                    EP_AMOEBALIVE                   },
4703     { ep_has_editor_content,            EP_HAS_EDITOR_CONTENT           },
4704     { ep_can_turn_each_move,            EP_CAN_TURN_EACH_MOVE           },
4705     { ep_can_grow,                      EP_CAN_GROW                     },
4706     { ep_active_bomb,                   EP_ACTIVE_BOMB                  },
4707     { ep_inactive,                      EP_INACTIVE                     },
4708
4709     { ep_em_slippery_wall,              EP_EM_SLIPPERY_WALL             },
4710
4711     { ep_gfx_crumbled,                  EP_GFX_CRUMBLED                 },
4712
4713     { ep_editor_cascade_active,         EP_EDITOR_CASCADE_ACTIVE        },
4714     { ep_editor_cascade_inactive,       EP_EDITOR_CASCADE_INACTIVE      },
4715
4716     { ep_obsolete,                      EP_OBSOLETE                     },
4717
4718     { NULL,                             -1                              }
4719   };
4720
4721   int i, j, k;
4722
4723   // always start with reliable default values (element has no properties)
4724   // (but never initialize clipboard elements after the very first time)
4725   // (to be able to use clipboard elements between several levels)
4726   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
4727     if (!IS_CLIPBOARD_ELEMENT(i) || !clipboard_elements_initialized)
4728       for (j = 0; j < NUM_ELEMENT_PROPERTIES; j++)
4729         SET_PROPERTY(i, j, FALSE);
4730
4731   // set all base element properties from above array definitions
4732   for (i = 0; element_properties[i].elements != NULL; i++)
4733     for (j = 0; (element_properties[i].elements)[j] != -1; j++)
4734       SET_PROPERTY((element_properties[i].elements)[j],
4735                    element_properties[i].property, TRUE);
4736
4737   // copy properties to some elements that are only stored in level file
4738   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
4739     for (j = 0; copy_properties[j][0] != -1; j++)
4740       if (HAS_PROPERTY(copy_properties[j][0], i))
4741         for (k = 1; k <= 4; k++)
4742           SET_PROPERTY(copy_properties[j][k], i, TRUE);
4743
4744   // set static element properties that are not listed in array definitions
4745   for (i = EL_STEEL_CHAR_START; i <= EL_STEEL_CHAR_END; i++)
4746     SET_PROPERTY(i, EP_INDESTRUCTIBLE, TRUE);
4747
4748   clipboard_elements_initialized = TRUE;
4749 }
4750
4751 void InitElementPropertiesEngine(int engine_version)
4752 {
4753   static int no_wall_properties[] =
4754   {
4755     EP_DIGGABLE,
4756     EP_COLLECTIBLE_ONLY,
4757     EP_DONT_RUN_INTO,
4758     EP_DONT_COLLIDE_WITH,
4759     EP_CAN_MOVE,
4760     EP_CAN_FALL,
4761     EP_CAN_SMASH_PLAYER,
4762     EP_CAN_SMASH_ENEMIES,
4763     EP_CAN_SMASH_EVERYTHING,
4764     EP_PUSHABLE,
4765
4766     EP_PLAYER,
4767     EP_GEM,
4768     EP_FOOD_DARK_YAMYAM,
4769     EP_FOOD_PENGUIN,
4770     EP_BELT,
4771     EP_BELT_ACTIVE,
4772     EP_TUBE,
4773     EP_AMOEBOID,
4774     EP_AMOEBALIVE,
4775     EP_ACTIVE_BOMB,
4776
4777     EP_ACCESSIBLE,
4778
4779     -1
4780   };
4781
4782   int i, j;
4783
4784   /* important: after initialization in InitElementPropertiesStatic(), the
4785      elements are not again initialized to a default value; therefore all
4786      changes have to make sure that they leave the element with a defined
4787      property (which means that conditional property changes must be set to
4788      a reliable default value before) */
4789
4790   // resolve group elements
4791   for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
4792     ResolveGroupElement(EL_GROUP_START + i);
4793
4794   // set all special, combined or engine dependent element properties
4795   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
4796   {
4797     // do not change (already initialized) clipboard elements here
4798     if (IS_CLIPBOARD_ELEMENT(i))
4799       continue;
4800
4801     // ---------- INACTIVE ----------------------------------------------------
4802     SET_PROPERTY(i, EP_INACTIVE, ((i >= EL_CHAR_START &&
4803                                    i <= EL_CHAR_END) ||
4804                                   (i >= EL_STEEL_CHAR_START &&
4805                                    i <= EL_STEEL_CHAR_END)));
4806
4807     // ---------- WALKABLE, PASSABLE, ACCESSIBLE ------------------------------
4808     SET_PROPERTY(i, EP_WALKABLE, (IS_WALKABLE_OVER(i) ||
4809                                   IS_WALKABLE_INSIDE(i) ||
4810                                   IS_WALKABLE_UNDER(i)));
4811
4812     SET_PROPERTY(i, EP_PASSABLE, (IS_PASSABLE_OVER(i) ||
4813                                   IS_PASSABLE_INSIDE(i) ||
4814                                   IS_PASSABLE_UNDER(i)));
4815
4816     SET_PROPERTY(i, EP_ACCESSIBLE_OVER, (IS_WALKABLE_OVER(i) ||
4817                                          IS_PASSABLE_OVER(i)));
4818
4819     SET_PROPERTY(i, EP_ACCESSIBLE_INSIDE, (IS_WALKABLE_INSIDE(i) ||
4820                                            IS_PASSABLE_INSIDE(i)));
4821
4822     SET_PROPERTY(i, EP_ACCESSIBLE_UNDER, (IS_WALKABLE_UNDER(i) ||
4823                                           IS_PASSABLE_UNDER(i)));
4824
4825     SET_PROPERTY(i, EP_ACCESSIBLE, (IS_WALKABLE(i) ||
4826                                     IS_PASSABLE(i)));
4827
4828     // ---------- COLLECTIBLE -------------------------------------------------
4829     SET_PROPERTY(i, EP_COLLECTIBLE, (IS_COLLECTIBLE_ONLY(i) ||
4830                                      IS_DROPPABLE(i) ||
4831                                      IS_THROWABLE(i)));
4832
4833     // ---------- SNAPPABLE ---------------------------------------------------
4834     SET_PROPERTY(i, EP_SNAPPABLE, (IS_DIGGABLE(i) ||
4835                                    IS_COLLECTIBLE(i) ||
4836                                    IS_SWITCHABLE(i) ||
4837                                    i == EL_BD_ROCK));
4838
4839     // ---------- WALL --------------------------------------------------------
4840     SET_PROPERTY(i, EP_WALL, TRUE);     // default: element is wall
4841
4842     for (j = 0; no_wall_properties[j] != -1; j++)
4843       if (HAS_PROPERTY(i, no_wall_properties[j]) ||
4844           i >= EL_FIRST_RUNTIME_UNREAL)
4845         SET_PROPERTY(i, EP_WALL, FALSE);
4846
4847     if (IS_HISTORIC_WALL(i))
4848       SET_PROPERTY(i, EP_WALL, TRUE);
4849
4850     // ---------- SOLID_FOR_PUSHING -------------------------------------------
4851     if (engine_version < VERSION_IDENT(2,2,0,0))
4852       SET_PROPERTY(i, EP_SOLID_FOR_PUSHING, IS_HISTORIC_SOLID(i));
4853     else
4854       SET_PROPERTY(i, EP_SOLID_FOR_PUSHING, (!IS_WALKABLE(i) &&
4855                                              !IS_DIGGABLE(i) &&
4856                                              !IS_COLLECTIBLE(i)));
4857
4858     // ---------- DRAGONFIRE_PROOF --------------------------------------------
4859     if (IS_HISTORIC_SOLID(i) || i == EL_EXPLOSION)
4860       SET_PROPERTY(i, EP_DRAGONFIRE_PROOF, TRUE);
4861     else
4862       SET_PROPERTY(i, EP_DRAGONFIRE_PROOF, (IS_INDESTRUCTIBLE(i) &&
4863                                             i != EL_ACID));
4864
4865     // ---------- EXPLOSION_PROOF ---------------------------------------------
4866     if (i == EL_FLAMES)
4867       SET_PROPERTY(i, EP_EXPLOSION_PROOF, TRUE);
4868     else if (engine_version < VERSION_IDENT(2,2,0,0))
4869       SET_PROPERTY(i, EP_EXPLOSION_PROOF, IS_INDESTRUCTIBLE(i));
4870     else
4871       SET_PROPERTY(i, EP_EXPLOSION_PROOF, (IS_INDESTRUCTIBLE(i) &&
4872                                            (!IS_WALKABLE(i) ||
4873                                             IS_PROTECTED(i))));
4874
4875     if (IS_CUSTOM_ELEMENT(i))
4876     {
4877       // these are additional properties which are initially false when set
4878
4879       // ---------- DONT_COLLIDE_WITH / DONT_RUN_INTO -------------------------
4880       if (DONT_TOUCH(i))
4881         SET_PROPERTY(i, EP_DONT_COLLIDE_WITH, TRUE);
4882       if (DONT_COLLIDE_WITH(i))
4883         SET_PROPERTY(i, EP_DONT_RUN_INTO, TRUE);
4884
4885       // ---------- CAN_SMASH_ENEMIES / CAN_SMASH_PLAYER ----------------------
4886       if (CAN_SMASH_EVERYTHING(i))
4887         SET_PROPERTY(i, EP_CAN_SMASH_ENEMIES, TRUE);
4888       if (CAN_SMASH_ENEMIES(i))
4889         SET_PROPERTY(i, EP_CAN_SMASH_PLAYER, TRUE);
4890     }
4891
4892     // ---------- CAN_SMASH ---------------------------------------------------
4893     SET_PROPERTY(i, EP_CAN_SMASH, (CAN_SMASH_PLAYER(i) ||
4894                                    CAN_SMASH_ENEMIES(i) ||
4895                                    CAN_SMASH_EVERYTHING(i)));
4896
4897     // ---------- CAN_EXPLODE_BY_FIRE -----------------------------------------
4898     SET_PROPERTY(i, EP_CAN_EXPLODE_BY_FIRE, (CAN_EXPLODE(i) &&
4899                                              EXPLODES_BY_FIRE(i)));
4900
4901     // ---------- CAN_EXPLODE_SMASHED -----------------------------------------
4902     SET_PROPERTY(i, EP_CAN_EXPLODE_SMASHED, (CAN_EXPLODE(i) &&
4903                                              EXPLODES_SMASHED(i)));
4904
4905     // ---------- CAN_EXPLODE_IMPACT ------------------------------------------
4906     SET_PROPERTY(i, EP_CAN_EXPLODE_IMPACT, (CAN_EXPLODE(i) &&
4907                                             EXPLODES_IMPACT(i)));
4908
4909     // ---------- CAN_EXPLODE_BY_DRAGONFIRE -----------------------------------
4910     SET_PROPERTY(i, EP_CAN_EXPLODE_BY_DRAGONFIRE, CAN_EXPLODE_BY_FIRE(i));
4911
4912     // ---------- CAN_EXPLODE_BY_EXPLOSION ------------------------------------
4913     SET_PROPERTY(i, EP_CAN_EXPLODE_BY_EXPLOSION, (CAN_EXPLODE_BY_FIRE(i) ||
4914                                                   i == EL_BLACK_ORB));
4915
4916     // ---------- COULD_MOVE_INTO_ACID ----------------------------------------
4917     SET_PROPERTY(i, EP_COULD_MOVE_INTO_ACID, (IS_PLAYER_ELEMENT(i) ||
4918                                               CAN_MOVE(i) ||
4919                                               IS_CUSTOM_ELEMENT(i)));
4920
4921     // ---------- MAYBE_DONT_COLLIDE_WITH -------------------------------------
4922     SET_PROPERTY(i, EP_MAYBE_DONT_COLLIDE_WITH, (i == EL_SP_SNIKSNAK ||
4923                                                  i == EL_SP_ELECTRON));
4924
4925     // ---------- CAN_MOVE_INTO_ACID ------------------------------------------
4926     if (COULD_MOVE_INTO_ACID(i) && !IS_CUSTOM_ELEMENT(i))
4927       SET_PROPERTY(i, EP_CAN_MOVE_INTO_ACID,
4928                    getMoveIntoAcidProperty(&level, i));
4929
4930     // ---------- DONT_COLLIDE_WITH -------------------------------------------
4931     if (MAYBE_DONT_COLLIDE_WITH(i))
4932       SET_PROPERTY(i, EP_DONT_COLLIDE_WITH,
4933                    getDontCollideWithProperty(&level, i));
4934
4935     // ---------- SP_PORT -----------------------------------------------------
4936     SET_PROPERTY(i, EP_SP_PORT, (IS_SP_ELEMENT(i) &&
4937                                  IS_PASSABLE_INSIDE(i)));
4938
4939     // ---------- CAN_BE_CLONED_BY_ANDROID ------------------------------------
4940     for (j = 0; j < level.num_android_clone_elements; j++)
4941       SET_PROPERTY(i, EP_CAN_BE_CLONED_BY_ANDROID,
4942                    (!IS_EMPTY(i) &&
4943                     IS_EQUAL_OR_IN_GROUP(i, level.android_clone_element[j])));
4944
4945     // ---------- CAN_CHANGE --------------------------------------------------
4946     SET_PROPERTY(i, EP_CAN_CHANGE, FALSE);      // default: cannot change
4947     for (j = 0; j < element_info[i].num_change_pages; j++)
4948       if (element_info[i].change_page[j].can_change)
4949         SET_PROPERTY(i, EP_CAN_CHANGE, TRUE);
4950
4951     // ---------- HAS_ACTION --------------------------------------------------
4952     SET_PROPERTY(i, EP_HAS_ACTION, FALSE);      // default: has no action
4953     for (j = 0; j < element_info[i].num_change_pages; j++)
4954       if (element_info[i].change_page[j].has_action)
4955         SET_PROPERTY(i, EP_HAS_ACTION, TRUE);
4956
4957     // ---------- CAN_CHANGE_OR_HAS_ACTION ------------------------------------
4958     SET_PROPERTY(i, EP_CAN_CHANGE_OR_HAS_ACTION, (CAN_CHANGE(i) ||
4959                                                   HAS_ACTION(i)));
4960
4961     // ---------- GFX_CRUMBLED ------------------------------------------------
4962     SET_PROPERTY(i, EP_GFX_CRUMBLED,
4963                  element_info[i].crumbled[ACTION_DEFAULT] !=
4964                  element_info[i].graphic[ACTION_DEFAULT]);
4965
4966     // ---------- EDITOR_CASCADE ----------------------------------------------
4967     SET_PROPERTY(i, EP_EDITOR_CASCADE, (IS_EDITOR_CASCADE_ACTIVE(i) ||
4968                                         IS_EDITOR_CASCADE_INACTIVE(i)));
4969   }
4970
4971   // dynamically adjust element properties according to game engine version
4972   {
4973     static int ep_em_slippery_wall[] =
4974     {
4975       EL_WALL,
4976       EL_STEELWALL,
4977       EL_EXPANDABLE_WALL,
4978       EL_EXPANDABLE_WALL_HORIZONTAL,
4979       EL_EXPANDABLE_WALL_VERTICAL,
4980       EL_EXPANDABLE_WALL_ANY,
4981       EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4982       EL_EXPANDABLE_STEELWALL_VERTICAL,
4983       EL_EXPANDABLE_STEELWALL_ANY,
4984       EL_EXPANDABLE_STEELWALL_GROWING,
4985       -1
4986     };
4987
4988     static int ep_em_explodes_by_fire[] =
4989     {
4990       EL_EM_DYNAMITE,
4991       EL_EM_DYNAMITE_ACTIVE,
4992       EL_MOLE,
4993       -1
4994     };
4995
4996     // special EM style gems behaviour
4997     for (i = 0; ep_em_slippery_wall[i] != -1; i++)
4998       SET_PROPERTY(ep_em_slippery_wall[i], EP_EM_SLIPPERY_WALL,
4999                    level.em_slippery_gems);
5000
5001     // "EL_EXPANDABLE_WALL_GROWING" wasn't slippery for EM gems in 2.0.1
5002     SET_PROPERTY(EL_EXPANDABLE_WALL_GROWING, EP_EM_SLIPPERY_WALL,
5003                  (level.em_slippery_gems &&
5004                   engine_version > VERSION_IDENT(2,0,1,0)));
5005
5006     // special EM style explosion behaviour regarding chain reactions
5007     for (i = 0; ep_em_explodes_by_fire[i] != -1; i++)
5008       SET_PROPERTY(ep_em_explodes_by_fire[i], EP_EXPLODES_BY_FIRE,
5009                    level.em_explodes_by_fire);
5010   }
5011
5012   // this is needed because some graphics depend on element properties
5013   if (game_status == GAME_MODE_PLAYING)
5014     InitElementGraphicInfo();
5015 }
5016
5017 void InitElementPropertiesGfxElement(void)
5018 {
5019   int i;
5020
5021   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
5022   {
5023     struct ElementInfo *ei = &element_info[i];
5024
5025     ei->gfx_element = (ei->use_gfx_element ? ei->gfx_element_initial : i);
5026   }
5027 }
5028
5029 static void InitGlobal(void)
5030 {
5031   int graphic;
5032   int i;
5033
5034   for (i = 0; i < MAX_NUM_ELEMENTS + 1; i++)
5035   {
5036     // check if element_name_info entry defined for each element in "main.h"
5037     if (i < MAX_NUM_ELEMENTS && element_name_info[i].token_name == NULL)
5038       Fail("undefined 'element_name_info' entry for element %d", i);
5039
5040     element_info[i].token_name = element_name_info[i].token_name;
5041     element_info[i].class_name = element_name_info[i].class_name;
5042     element_info[i].editor_description = element_name_info[i].editor_description;
5043   }
5044
5045   for (i = 0; i < NUM_GLOBAL_ANIM_TOKENS + 1; i++)
5046   {
5047     // check if global_anim_name_info defined for each entry in "main.h"
5048     if (i < NUM_GLOBAL_ANIM_TOKENS &&
5049         global_anim_name_info[i].token_name == NULL)
5050       Fail("undefined 'global_anim_name_info' entry for anim %d", i);
5051
5052     global_anim_info[i].token_name = global_anim_name_info[i].token_name;
5053   }
5054
5055   // create hash to store URLs for global animations
5056   anim_url_hash = newSetupFileHash();
5057
5058   // create hash from image config list
5059   image_config_hash = newSetupFileHash();
5060   for (i = 0; image_config[i].token != NULL; i++)
5061     setHashEntry(image_config_hash,
5062                  image_config[i].token,
5063                  image_config[i].value);
5064
5065   // create hash from sound config list
5066   sound_config_hash = newSetupFileHash();
5067   for (i = 0; sound_config[i].token != NULL; i++)
5068     setHashEntry(sound_config_hash,
5069                  sound_config[i].token,
5070                  sound_config[i].value);
5071
5072   // create hash from element token list
5073   element_token_hash = newSetupFileHash();
5074   for (i = 0; element_name_info[i].token_name != NULL; i++)
5075     setHashEntry(element_token_hash,
5076                  element_name_info[i].token_name,
5077                  int2str(i, 0));
5078
5079   // create hash from graphic token list
5080   graphic_token_hash = newSetupFileHash();
5081   for (graphic = 0, i = 0; image_config[i].token != NULL; i++)
5082     if (strSuffix(image_config[i].value, ".png") ||
5083         strSuffix(image_config[i].value, ".pcx") ||
5084         strSuffix(image_config[i].value, ".wav") ||
5085         strEqual(image_config[i].value, UNDEFINED_FILENAME))
5086       setHashEntry(graphic_token_hash,
5087                    image_config[i].token,
5088                    int2str(graphic++, 0));
5089
5090   // create hash from font token list
5091   font_token_hash = newSetupFileHash();
5092   for (i = 0; font_info[i].token_name != NULL; i++)
5093     setHashEntry(font_token_hash,
5094                  font_info[i].token_name,
5095                  int2str(i, 0));
5096
5097   // set default filenames for all cloned graphics in static configuration
5098   for (i = 0; image_config[i].token != NULL; i++)
5099   {
5100     if (strEqual(image_config[i].value, UNDEFINED_FILENAME))
5101     {
5102       char *token = image_config[i].token;
5103       char *token_clone_from = getStringCat2(token, ".clone_from");
5104       char *token_cloned = getHashEntry(image_config_hash, token_clone_from);
5105
5106       if (token_cloned != NULL)
5107       {
5108         char *value_cloned = getHashEntry(image_config_hash, token_cloned);
5109
5110         if (value_cloned != NULL)
5111         {
5112           // set default filename in static configuration
5113           image_config[i].value = value_cloned;
5114
5115           // set default filename in image config hash
5116           setHashEntry(image_config_hash, token, value_cloned);
5117         }
5118       }
5119
5120       free(token_clone_from);
5121     }
5122   }
5123
5124   // always start with reliable default values (all elements)
5125   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
5126     ActiveElement[i] = i;
5127
5128   // now add all entries that have an active state (active elements)
5129   for (i = 0; element_with_active_state[i].element != -1; i++)
5130   {
5131     int element = element_with_active_state[i].element;
5132     int element_active = element_with_active_state[i].element_active;
5133
5134     ActiveElement[element] = element_active;
5135   }
5136
5137   // always start with reliable default values (all buttons)
5138   for (i = 0; i < NUM_IMAGE_FILES; i++)
5139     ActiveButton[i] = i;
5140
5141   // now add all entries that have an active state (active buttons)
5142   for (i = 0; button_with_active_state[i].button != -1; i++)
5143   {
5144     int button = button_with_active_state[i].button;
5145     int button_active = button_with_active_state[i].button_active;
5146
5147     ActiveButton[button] = button_active;
5148   }
5149
5150   // always start with reliable default values (all fonts)
5151   for (i = 0; i < NUM_FONTS; i++)
5152     ActiveFont[i] = i;
5153
5154   // now add all entries that have an active state (active fonts)
5155   for (i = 0; font_with_active_state[i].font_nr != -1; i++)
5156   {
5157     int font = font_with_active_state[i].font_nr;
5158     int font_active = font_with_active_state[i].font_nr_active;
5159
5160     ActiveFont[font] = font_active;
5161   }
5162
5163   global.autoplay_leveldir = NULL;
5164   global.patchtapes_leveldir = NULL;
5165   global.convert_leveldir = NULL;
5166   global.dumplevel_leveldir = NULL;
5167   global.dumptape_leveldir = NULL;
5168   global.create_sketch_images_dir = NULL;
5169   global.create_collect_images_dir = NULL;
5170
5171   global.frames_per_second = 0;
5172   global.show_frames_per_second = FALSE;
5173
5174   global.border_status = GAME_MODE_LOADING;
5175   global.anim_status = global.anim_status_next = GAME_MODE_LOADING;
5176
5177   global.use_envelope_request = FALSE;
5178
5179   global.user_names = NULL;
5180 }
5181
5182 static void Execute_Command(char *command)
5183 {
5184   int i;
5185
5186   if (strEqual(command, "print graphicsinfo.conf"))
5187   {
5188     Print("# You can configure additional/alternative image files here.\n");
5189     Print("# (The entries below are default and therefore commented out.)\n");
5190     Print("\n");
5191     Print("%s\n", getFormattedSetupEntry("name", "Classic Graphics"));
5192     Print("\n");
5193     Print("%s\n", getFormattedSetupEntry("sort_priority", "100"));
5194     Print("\n");
5195
5196     for (i = 0; image_config[i].token != NULL; i++)
5197       Print("# %s\n", getFormattedSetupEntry(image_config[i].token,
5198                                              image_config[i].value));
5199
5200     exit(0);
5201   }
5202   else if (strEqual(command, "print soundsinfo.conf"))
5203   {
5204     Print("# You can configure additional/alternative sound files here.\n");
5205     Print("# (The entries below are default and therefore commented out.)\n");
5206     Print("\n");
5207     Print("%s\n", getFormattedSetupEntry("name", "Classic Sounds"));
5208     Print("\n");
5209     Print("%s\n", getFormattedSetupEntry("sort_priority", "100"));
5210     Print("\n");
5211
5212     for (i = 0; sound_config[i].token != NULL; i++)
5213       Print("# %s\n", getFormattedSetupEntry(sound_config[i].token,
5214                                              sound_config[i].value));
5215
5216     exit(0);
5217   }
5218   else if (strEqual(command, "print musicinfo.conf"))
5219   {
5220     Print("# You can configure additional/alternative music files here.\n");
5221     Print("# (The entries below are default and therefore commented out.)\n");
5222     Print("\n");
5223     Print("%s\n", getFormattedSetupEntry("name", "Classic Music"));
5224     Print("\n");
5225     Print("%s\n", getFormattedSetupEntry("sort_priority", "100"));
5226     Print("\n");
5227
5228     for (i = 0; music_config[i].token != NULL; i++)
5229       Print("# %s\n", getFormattedSetupEntry(music_config[i].token,
5230                                              music_config[i].value));
5231
5232     exit(0);
5233   }
5234   else if (strEqual(command, "print editorsetup.conf"))
5235   {
5236     Print("# You can configure your personal editor element list here.\n");
5237     Print("# (The entries below are default and therefore commented out.)\n");
5238     Print("\n");
5239
5240     // this is needed to be able to check element list for cascade elements
5241     InitElementPropertiesStatic();
5242     InitElementPropertiesEngine(GAME_VERSION_ACTUAL);
5243
5244     PrintEditorElementList();
5245
5246     exit(0);
5247   }
5248   else if (strEqual(command, "print helpanim.conf"))
5249   {
5250     Print("# You can configure different element help animations here.\n");
5251     Print("# (The entries below are default and therefore commented out.)\n");
5252     Print("\n");
5253
5254     for (i = 0; helpanim_config[i].token != NULL; i++)
5255     {
5256       Print("# %s\n", getFormattedSetupEntry(helpanim_config[i].token,
5257                                              helpanim_config[i].value));
5258
5259       if (strEqual(helpanim_config[i].token, "end"))
5260         Print("#\n");
5261     }
5262
5263     exit(0);
5264   }
5265   else if (strEqual(command, "print helptext.conf"))
5266   {
5267     Print("# You can configure different element help text here.\n");
5268     Print("# (The entries below are default and therefore commented out.)\n");
5269     Print("\n");
5270
5271     for (i = 0; helptext_config[i].token != NULL; i++)
5272       Print("# %s\n", getFormattedSetupEntry(helptext_config[i].token,
5273                                              helptext_config[i].value));
5274
5275     exit(0);
5276   }
5277   else if (strPrefix(command, "dump level "))
5278   {
5279     char *filename = &command[11];
5280
5281     if (fileExists(filename))
5282     {
5283       LoadLevelFromFilename(&level, filename);
5284       DumpLevel(&level);
5285
5286       exit(0);
5287     }
5288
5289     char *leveldir = getStringCopy(filename);   // read command parameters
5290     char *level_nr = strchr(leveldir, ' ');
5291
5292     if (level_nr == NULL)
5293       Fail("cannot open file '%s'", filename);
5294
5295     *level_nr++ = '\0';
5296
5297     global.dumplevel_leveldir = leveldir;
5298     global.dumplevel_level_nr = atoi(level_nr);
5299
5300     program.headless = TRUE;
5301   }
5302   else if (strPrefix(command, "dump tape "))
5303   {
5304     char *filename = &command[10];
5305
5306     if (fileExists(filename))
5307     {
5308       LoadTapeFromFilename(filename);
5309       DumpTape(&tape);
5310
5311       exit(0);
5312     }
5313
5314     char *leveldir = getStringCopy(filename);   // read command parameters
5315     char *level_nr = strchr(leveldir, ' ');
5316
5317     if (level_nr == NULL)
5318       Fail("cannot open file '%s'", filename);
5319
5320     *level_nr++ = '\0';
5321
5322     global.dumptape_leveldir = leveldir;
5323     global.dumptape_level_nr = atoi(level_nr);
5324
5325     program.headless = TRUE;
5326   }
5327   else if (strPrefix(command, "autoplay ") ||
5328            strPrefix(command, "autoffwd ") ||
5329            strPrefix(command, "autowarp ") ||
5330            strPrefix(command, "autotest ") ||
5331            strPrefix(command, "autosave ") ||
5332            strPrefix(command, "autoupload ") ||
5333            strPrefix(command, "autofix "))
5334   {
5335     char *arg_ptr = strchr(command, ' ');
5336     char *str_ptr = getStringCopy(arg_ptr);     // read command parameters
5337
5338     global.autoplay_mode =
5339       (strPrefix(command, "autoplay") ? AUTOPLAY_MODE_PLAY :
5340        strPrefix(command, "autoffwd") ? AUTOPLAY_MODE_FFWD :
5341        strPrefix(command, "autowarp") ? AUTOPLAY_MODE_WARP :
5342        strPrefix(command, "autotest") ? AUTOPLAY_MODE_TEST :
5343        strPrefix(command, "autosave") ? AUTOPLAY_MODE_SAVE :
5344        strPrefix(command, "autoupload") ? AUTOPLAY_MODE_UPLOAD :
5345        strPrefix(command, "autofix")  ? AUTOPLAY_MODE_FIX :
5346        AUTOPLAY_MODE_NONE);
5347
5348     while (*str_ptr != '\0')                    // continue parsing string
5349     {
5350       // cut leading whitespace from string, replace it by string terminator
5351       while (*str_ptr == ' ' || *str_ptr == '\t')
5352         *str_ptr++ = '\0';
5353
5354       if (*str_ptr == '\0')                     // end of string reached
5355         break;
5356
5357       if (global.autoplay_leveldir == NULL)     // read level set string
5358       {
5359         global.autoplay_leveldir = str_ptr;
5360         global.autoplay_all = TRUE;             // default: play all tapes
5361
5362         for (i = 0; i < MAX_TAPES_PER_SET; i++)
5363           global.autoplay_level[i] = FALSE;
5364       }
5365       else                                      // read level number string
5366       {
5367         int level_nr = atoi(str_ptr);           // get level_nr value
5368
5369         if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
5370           global.autoplay_level[level_nr] = TRUE;
5371
5372         global.autoplay_all = FALSE;
5373       }
5374
5375       // advance string pointer to the next whitespace (or end of string)
5376       while (*str_ptr != ' ' && *str_ptr != '\t' && *str_ptr != '\0')
5377         str_ptr++;
5378     }
5379
5380     if (global.autoplay_mode & AUTOPLAY_WARP_NO_DISPLAY)
5381       program.headless = TRUE;
5382   }
5383   else if (strPrefix(command, "patch tapes "))
5384   {
5385     char *str_ptr = getStringCopy(&command[12]); // read command parameters
5386
5387     // skip leading whitespace
5388     while (*str_ptr == ' ' || *str_ptr == '\t')
5389       str_ptr++;
5390
5391     if (*str_ptr == '\0')
5392       Fail("cannot find MODE in command '%s'", command);
5393
5394     global.patchtapes_mode = str_ptr;           // store patch mode
5395
5396     // advance to next whitespace (or end of string)
5397     while (*str_ptr != ' ' && *str_ptr != '\t' && *str_ptr != '\0')
5398       str_ptr++;
5399
5400     while (*str_ptr != '\0')                    // continue parsing string
5401     {
5402       // cut leading whitespace from string, replace it by string terminator
5403       while (*str_ptr == ' ' || *str_ptr == '\t')
5404         *str_ptr++ = '\0';
5405
5406       if (*str_ptr == '\0')                     // end of string reached
5407         break;
5408
5409       if (global.patchtapes_leveldir == NULL)   // read level set string
5410       {
5411         global.patchtapes_leveldir = str_ptr;
5412         global.patchtapes_all = TRUE;           // default: patch all tapes
5413
5414         for (i = 0; i < MAX_TAPES_PER_SET; i++)
5415           global.patchtapes_level[i] = FALSE;
5416       }
5417       else                                      // read level number string
5418       {
5419         int level_nr = atoi(str_ptr);           // get level_nr value
5420
5421         if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
5422           global.patchtapes_level[level_nr] = TRUE;
5423
5424         global.patchtapes_all = FALSE;
5425       }
5426
5427       // advance string pointer to the next whitespace (or end of string)
5428       while (*str_ptr != ' ' && *str_ptr != '\t' && *str_ptr != '\0')
5429         str_ptr++;
5430     }
5431
5432     if (global.patchtapes_leveldir == NULL)
5433     {
5434       if (strEqual(global.patchtapes_mode, "help"))
5435         global.patchtapes_leveldir = UNDEFINED_LEVELSET;
5436       else
5437         Fail("cannot find LEVELDIR in command '%s'", command);
5438     }
5439
5440     program.headless = TRUE;
5441   }
5442   else if (strPrefix(command, "convert "))
5443   {
5444     char *str_copy = getStringCopy(strchr(command, ' ') + 1);
5445     char *str_ptr = strchr(str_copy, ' ');
5446
5447     global.convert_leveldir = str_copy;
5448     global.convert_level_nr = -1;
5449
5450     if (str_ptr != NULL)                        // level number follows
5451     {
5452       *str_ptr++ = '\0';                        // terminate leveldir string
5453       global.convert_level_nr = atoi(str_ptr);  // get level_nr value
5454     }
5455
5456     program.headless = TRUE;
5457   }
5458   else if (strPrefix(command, "create sketch images "))
5459   {
5460     global.create_sketch_images_dir = getStringCopy(&command[21]);
5461
5462     if (access(global.create_sketch_images_dir, W_OK) != 0)
5463       Fail("image target directory '%s' not found or not writable",
5464            global.create_sketch_images_dir);
5465   }
5466   else if (strPrefix(command, "create collect image "))
5467   {
5468     global.create_collect_images_dir = getStringCopy(&command[21]);
5469
5470     if (access(global.create_collect_images_dir, W_OK) != 0)
5471       Fail("image target directory '%s' not found or not writable",
5472            global.create_collect_images_dir);
5473   }
5474   else if (strPrefix(command, "create CE image "))
5475   {
5476     CreateCustomElementImages(&command[16]);
5477
5478     exit(0);
5479   }
5480   else
5481   {
5482     FailWithHelp("unrecognized command '%s'", command);
5483   }
5484
5485   // disable networking if any valid command was recognized
5486   options.network = setup.network_mode = FALSE;
5487 }
5488
5489 static void InitSetup(void)
5490 {
5491   LoadUserNames();                              // global user names
5492   LoadUserSetup();                              // global user number
5493
5494   LoadSetup();                                  // global setup info
5495
5496   // set some options from setup file
5497
5498   if (setup.options.verbose)
5499     options.verbose = TRUE;
5500
5501   if (setup.options.debug)
5502     options.debug = TRUE;
5503
5504   if (!strEqual(setup.options.debug_mode, ARG_UNDEFINED_STRING))
5505     options.debug_mode = getStringCopy(setup.options.debug_mode);
5506
5507   if (setup.debug.show_frames_per_second)
5508     global.show_frames_per_second = TRUE;
5509 }
5510
5511 static void InitGameInfo(void)
5512 {
5513   game.restart_level = FALSE;
5514   game.request_active = FALSE;
5515
5516   game.use_masked_elements_initial = FALSE;
5517 }
5518
5519 static void InitPlayerInfo(void)
5520 {
5521   int i;
5522
5523   // choose default local player
5524   local_player = &stored_player[0];
5525
5526   for (i = 0; i < MAX_PLAYERS; i++)
5527   {
5528     stored_player[i].connected_locally = FALSE;
5529     stored_player[i].connected_network = FALSE;
5530   }
5531
5532   local_player->connected_locally = TRUE;
5533 }
5534
5535 static void InitArtworkInfo(void)
5536 {
5537   LoadArtworkInfo();
5538 }
5539
5540 static char *get_string_in_brackets(char *string)
5541 {
5542   char *string_in_brackets = checked_malloc(strlen(string) + 3);
5543
5544   sprintf(string_in_brackets, "[%s]", string);
5545
5546   return string_in_brackets;
5547 }
5548
5549 static char *get_level_id_suffix(int id_nr)
5550 {
5551   char *id_suffix = checked_malloc(1 + 3 + 1);
5552
5553   if (id_nr < 0 || id_nr > 999)
5554     id_nr = 0;
5555
5556   sprintf(id_suffix, ".%03d", id_nr);
5557
5558   return id_suffix;
5559 }
5560
5561 static void InitArtworkConfig(void)
5562 {
5563   static char *image_id_prefix[MAX_NUM_ELEMENTS +
5564                                NUM_FONTS +
5565                                NUM_GLOBAL_ANIM_TOKENS + 1];
5566   static char *sound_id_prefix[2 * MAX_NUM_ELEMENTS +
5567                                NUM_GLOBAL_ANIM_TOKENS + 1];
5568   static char *music_id_prefix[NUM_MUSIC_PREFIXES +
5569                                NUM_GLOBAL_ANIM_TOKENS + 1];
5570   static char *action_id_suffix[NUM_ACTIONS + 1];
5571   static char *direction_id_suffix[NUM_DIRECTIONS_FULL + 1];
5572   static char *special_id_suffix[NUM_SPECIAL_GFX_ARGS + 1];
5573   static char *level_id_suffix[MAX_LEVELS + 1];
5574   static char *dummy[1] = { NULL };
5575   static char *ignore_generic_tokens[] =
5576   {
5577     "name",
5578     "sort_priority",
5579     "program_title",
5580     "program_copyright",
5581     "program_company",
5582
5583     NULL
5584   };
5585   static char **ignore_image_tokens;
5586   static char **ignore_sound_tokens;
5587   static char **ignore_music_tokens;
5588   int num_ignore_generic_tokens;
5589   int num_ignore_image_tokens;
5590   int num_ignore_sound_tokens;
5591   int num_ignore_music_tokens;
5592   int i;
5593
5594   // dynamically determine list of generic tokens to be ignored
5595   num_ignore_generic_tokens = 0;
5596   for (i = 0; ignore_generic_tokens[i] != NULL; i++)
5597     num_ignore_generic_tokens++;
5598
5599   // dynamically determine list of image tokens to be ignored
5600   num_ignore_image_tokens = num_ignore_generic_tokens;
5601   for (i = 0; image_config_vars[i].token != NULL; i++)
5602     num_ignore_image_tokens++;
5603   ignore_image_tokens =
5604     checked_malloc((num_ignore_image_tokens + 1) * sizeof(char *));
5605   for (i = 0; i < num_ignore_generic_tokens; i++)
5606     ignore_image_tokens[i] = ignore_generic_tokens[i];
5607   for (i = 0; i < num_ignore_image_tokens - num_ignore_generic_tokens; i++)
5608     ignore_image_tokens[num_ignore_generic_tokens + i] =
5609       image_config_vars[i].token;
5610   ignore_image_tokens[num_ignore_image_tokens] = NULL;
5611
5612   // dynamically determine list of sound tokens to be ignored
5613   num_ignore_sound_tokens = num_ignore_generic_tokens;
5614   for (i = 0; sound_config_vars[i].token != NULL; i++)
5615     num_ignore_sound_tokens++;
5616   ignore_sound_tokens =
5617     checked_malloc((num_ignore_sound_tokens + 1) * sizeof(char *));
5618   for (i = 0; i < num_ignore_generic_tokens; i++)
5619     ignore_sound_tokens[i] = ignore_generic_tokens[i];
5620   for (i = 0; i < num_ignore_sound_tokens - num_ignore_generic_tokens; i++)
5621     ignore_sound_tokens[num_ignore_generic_tokens + i] =
5622       sound_config_vars[i].token;
5623   ignore_sound_tokens[num_ignore_sound_tokens] = NULL;
5624
5625   // dynamically determine list of music tokens to be ignored
5626   num_ignore_music_tokens = num_ignore_generic_tokens;
5627   ignore_music_tokens =
5628     checked_malloc((num_ignore_music_tokens + 1) * sizeof(char *));
5629   for (i = 0; i < num_ignore_generic_tokens; i++)
5630     ignore_music_tokens[i] = ignore_generic_tokens[i];
5631   ignore_music_tokens[num_ignore_music_tokens] = NULL;
5632
5633   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
5634     image_id_prefix[i] = element_info[i].token_name;
5635   for (i = 0; i < NUM_FONTS; i++)
5636     image_id_prefix[MAX_NUM_ELEMENTS + i] = font_info[i].token_name;
5637   for (i = 0; i < NUM_GLOBAL_ANIM_TOKENS; i++)
5638     image_id_prefix[MAX_NUM_ELEMENTS + NUM_FONTS + i] =
5639       global_anim_info[i].token_name;
5640   image_id_prefix[MAX_NUM_ELEMENTS + NUM_FONTS + NUM_GLOBAL_ANIM_TOKENS] = NULL;
5641
5642   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
5643     sound_id_prefix[i] = element_info[i].token_name;
5644   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
5645     sound_id_prefix[MAX_NUM_ELEMENTS + i] =
5646       get_string_in_brackets(element_info[i].class_name);
5647   for (i = 0; i < NUM_GLOBAL_ANIM_TOKENS; i++)
5648     sound_id_prefix[2 * MAX_NUM_ELEMENTS + i] =
5649       global_anim_info[i].token_name;
5650   sound_id_prefix[2 * MAX_NUM_ELEMENTS + NUM_GLOBAL_ANIM_TOKENS] = NULL;
5651
5652   for (i = 0; i < NUM_MUSIC_PREFIXES; i++)
5653     music_id_prefix[i] = music_prefix_info[i].prefix;
5654   for (i = 0; i < NUM_GLOBAL_ANIM_TOKENS; i++)
5655     music_id_prefix[NUM_MUSIC_PREFIXES + i] =
5656       global_anim_info[i].token_name;
5657   music_id_prefix[NUM_MUSIC_PREFIXES + NUM_GLOBAL_ANIM_TOKENS] = NULL;
5658
5659   for (i = 0; i < NUM_ACTIONS; i++)
5660     action_id_suffix[i] = element_action_info[i].suffix;
5661   action_id_suffix[NUM_ACTIONS] = NULL;
5662
5663   for (i = 0; i < NUM_DIRECTIONS_FULL; i++)
5664     direction_id_suffix[i] = element_direction_info[i].suffix;
5665   direction_id_suffix[NUM_DIRECTIONS_FULL] = NULL;
5666
5667   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
5668     special_id_suffix[i] = special_suffix_info[i].suffix;
5669   special_id_suffix[NUM_SPECIAL_GFX_ARGS] = NULL;
5670
5671   for (i = 0; i < MAX_LEVELS; i++)
5672     level_id_suffix[i] = get_level_id_suffix(i);
5673   level_id_suffix[MAX_LEVELS] = NULL;
5674
5675   InitImageList(image_config, NUM_IMAGE_FILES, image_config_suffix,
5676                 image_id_prefix, action_id_suffix, direction_id_suffix,
5677                 special_id_suffix, ignore_image_tokens);
5678   InitSoundList(sound_config, NUM_SOUND_FILES, sound_config_suffix,
5679                 sound_id_prefix, action_id_suffix, dummy,
5680                 special_id_suffix, ignore_sound_tokens);
5681   InitMusicList(music_config, NUM_MUSIC_FILES, music_config_suffix,
5682                 music_id_prefix, action_id_suffix, special_id_suffix,
5683                 level_id_suffix, ignore_music_tokens);
5684 }
5685
5686 static void InitMixer(void)
5687 {
5688   OpenAudio();
5689
5690   StartMixer();
5691 }
5692
5693 static void InitVideoOverlay(void)
5694 {
5695   // if virtual buttons are not loaded from setup file, repeat initializing
5696   // virtual buttons grid with default values now that video is initialized
5697   if (!setup.touch.grid_initialized)
5698     InitSetup();
5699
5700   InitTileCursorInfo();
5701   InitOverlayInfo();
5702 }
5703
5704 void InitGfxBuffers(void)
5705 {
5706   static int win_xsize_last = -1;
5707   static int win_ysize_last = -1;
5708
5709   // create additional image buffers for double-buffering and cross-fading
5710
5711   if (WIN_XSIZE != win_xsize_last || WIN_YSIZE != win_ysize_last)
5712   {
5713     // used to temporarily store the backbuffer -- only re-create if changed
5714     ReCreateBitmap(&bitmap_db_store_1, WIN_XSIZE, WIN_YSIZE);
5715     ReCreateBitmap(&bitmap_db_store_2, WIN_XSIZE, WIN_YSIZE);
5716
5717     win_xsize_last = WIN_XSIZE;
5718     win_ysize_last = WIN_YSIZE;
5719   }
5720
5721   ReCreateBitmap(&bitmap_db_field, FXSIZE, FYSIZE);
5722   ReCreateBitmap(&bitmap_db_door_1, 3 * DXSIZE, DYSIZE);
5723   ReCreateBitmap(&bitmap_db_door_2, 3 * VXSIZE, VYSIZE);
5724
5725   // initialize screen properties
5726   InitGfxFieldInfo(SX, SY, SXSIZE, SYSIZE,
5727                    REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE,
5728                    bitmap_db_field);
5729   InitGfxDoor1Info(DX, DY, DXSIZE, DYSIZE);
5730   InitGfxDoor2Info(VX, VY, VXSIZE, VYSIZE);
5731   InitGfxDoor3Info(EX, EY, EXSIZE, EYSIZE);
5732   InitGfxWindowInfo(WIN_XSIZE, WIN_YSIZE);
5733   InitGfxScrollbufferInfo(FXSIZE, FYSIZE);
5734   InitGfxClipRegion(FALSE, -1, -1, -1, -1);
5735
5736   // required if door size definitions have changed
5737   InitGraphicCompatibilityInfo_Doors();
5738
5739   InitGfxBuffers_BD();
5740   InitGfxBuffers_EM();
5741   InitGfxBuffers_SP();
5742   InitGfxBuffers_MM();
5743 }
5744
5745 static void InitGfx(void)
5746 {
5747   struct GraphicInfo *graphic_info_last = graphic_info;
5748   char *filename_font_initial = NULL;
5749   char *filename_image_initial[NUM_INITIAL_IMAGES] = { NULL };
5750   char *image_token[NUM_INITIAL_IMAGES] =
5751   {
5752     CONFIG_TOKEN_GLOBAL_BUSY_INITIAL,
5753     CONFIG_TOKEN_GLOBAL_BUSY,
5754     CONFIG_TOKEN_GLOBAL_BUSY_PLAYFIELD,
5755     CONFIG_TOKEN_BACKGROUND,
5756     CONFIG_TOKEN_BACKGROUND_LOADING_INITIAL,
5757     CONFIG_TOKEN_BACKGROUND_LOADING
5758   };
5759   struct MenuPosInfo *init_busy[NUM_INITIAL_IMAGES_BUSY] =
5760   {
5761     &init.busy_initial,
5762     &init.busy,
5763     &init.busy_playfield
5764   };
5765   Bitmap *bitmap_font_initial = NULL;
5766   int parameter[NUM_INITIAL_IMAGES][NUM_GFX_ARGS];
5767   int i, j, k;
5768
5769   // determine settings for initial font (for displaying startup messages)
5770   for (i = 0; image_config[i].token != NULL; i++)
5771   {
5772     for (j = 0; j < NUM_INITIAL_FONTS; j++)
5773     {
5774       char font_token[128];
5775       int len_font_token;
5776
5777       sprintf(font_token, "%s_%d", CONFIG_TOKEN_FONT_INITIAL, j + 1);
5778       len_font_token = strlen(font_token);
5779
5780       if (strEqual(image_config[i].token, font_token))
5781       {
5782         filename_font_initial = image_config[i].value;
5783       }
5784       else if (strlen(image_config[i].token) > len_font_token &&
5785                strncmp(image_config[i].token, font_token, len_font_token) == 0)
5786       {
5787         if (strEqual(&image_config[i].token[len_font_token], ".x"))
5788           font_initial[j].src_x = atoi(image_config[i].value);
5789         else if (strEqual(&image_config[i].token[len_font_token], ".y"))
5790           font_initial[j].src_y = atoi(image_config[i].value);
5791         else if (strEqual(&image_config[i].token[len_font_token], ".width"))
5792           font_initial[j].width = atoi(image_config[i].value);
5793         else if (strEqual(&image_config[i].token[len_font_token], ".height"))
5794           font_initial[j].height = atoi(image_config[i].value);
5795       }
5796     }
5797   }
5798
5799   for (j = 0; j < NUM_INITIAL_FONTS; j++)
5800   {
5801     font_initial[j].num_chars = DEFAULT_NUM_CHARS_PER_FONT;
5802     font_initial[j].num_chars_per_line = DEFAULT_NUM_CHARS_PER_LINE;
5803   }
5804
5805   if (filename_font_initial == NULL)    // should not happen
5806     Fail("cannot get filename for '%s'", CONFIG_TOKEN_FONT_INITIAL);
5807
5808   InitGfxBuffers();
5809   InitGfxCustomArtworkInfo();
5810   InitGfxOtherSettings();
5811
5812   InitGfxTileSizeInfo(TILESIZE, TILESIZE);
5813
5814   bitmap_font_initial = LoadCustomImage(filename_font_initial);
5815
5816   for (j = 0; j < NUM_INITIAL_FONTS; j++)
5817     font_initial[j].bitmap = bitmap_font_initial;
5818
5819   InitFontGraphicInfo();
5820
5821   InitMenuDesignSettings_Static();
5822
5823   // initialize settings for initial images with default values
5824   for (i = 0; i < NUM_INITIAL_IMAGES; i++)
5825     for (j = 0; j < NUM_GFX_ARGS; j++)
5826       parameter[i][j] =
5827         get_graphic_parameter_value(image_config_suffix[j].value,
5828                                     image_config_suffix[j].token,
5829                                     image_config_suffix[j].type);
5830
5831   // read settings for initial images from default custom artwork config
5832   char *gfx_config_filename = getPath3(options.graphics_directory,
5833                                        GFX_DEFAULT_SUBDIR,
5834                                        GRAPHICSINFO_FILENAME);
5835
5836   if (fileExists(gfx_config_filename))
5837   {
5838     SetupFileHash *setup_file_hash = loadSetupFileHash(gfx_config_filename);
5839
5840     if (setup_file_hash)
5841     {
5842       for (i = 0; i < NUM_INITIAL_IMAGES; i++)
5843       {
5844         char *filename = getHashEntry(setup_file_hash, image_token[i]);
5845
5846         if (filename)
5847         {
5848           filename_image_initial[i] = getStringCopy(filename);
5849
5850           for (j = 0; image_config_suffix[j].token != NULL; j++)
5851           {
5852             int type = image_config_suffix[j].type;
5853             char *suffix = image_config_suffix[j].token;
5854             char *token = getStringCat2(image_token[i], suffix);
5855             char *value = getHashEntry(setup_file_hash, token);
5856
5857             checked_free(token);
5858
5859             if (value)
5860               parameter[i][j] =
5861                 get_graphic_parameter_value(value, suffix, type);
5862           }
5863         }
5864       }
5865
5866       // read values from custom graphics config file
5867       InitMenuDesignSettings_FromHash(setup_file_hash, FALSE);
5868
5869       freeSetupFileHash(setup_file_hash);
5870     }
5871   }
5872
5873   for (i = 0; i < NUM_INITIAL_IMAGES; i++)
5874   {
5875     if (filename_image_initial[i] == NULL)
5876     {
5877       int len_token = strlen(image_token[i]);
5878
5879       // read settings for initial images from static default artwork config
5880       for (j = 0; image_config[j].token != NULL; j++)
5881       {
5882         if (strEqual(image_config[j].token, image_token[i]))
5883         {
5884           filename_image_initial[i] = getStringCopy(image_config[j].value);
5885         }
5886         else if (strlen(image_config[j].token) > len_token &&
5887                  strncmp(image_config[j].token, image_token[i], len_token) == 0)
5888         {
5889           for (k = 0; image_config_suffix[k].token != NULL; k++)
5890           {
5891             if (strEqual(&image_config[j].token[len_token],
5892                          image_config_suffix[k].token))
5893               parameter[i][k] =
5894                 get_graphic_parameter_value(image_config[j].value,
5895                                             image_config_suffix[k].token,
5896                                             image_config_suffix[k].type);
5897           }
5898         }
5899       }
5900     }
5901   }
5902
5903   for (i = 0; i < NUM_INITIAL_IMAGES; i++)
5904   {
5905     if (filename_image_initial[i] == NULL)      // should not happen
5906       Fail("cannot get filename for '%s'", image_token[i]);
5907
5908     image_initial[i].bitmaps =
5909       checked_calloc(sizeof(Bitmap *) * NUM_IMG_BITMAP_POINTERS);
5910
5911     if (!strEqual(filename_image_initial[i], UNDEFINED_FILENAME))
5912       image_initial[i].bitmaps[IMG_BITMAP_STANDARD] =
5913         LoadCustomImage(filename_image_initial[i]);
5914
5915     checked_free(filename_image_initial[i]);
5916   }
5917
5918   for (i = 0; i < NUM_INITIAL_IMAGES; i++)
5919     image_initial[i].use_image_size = TRUE;
5920
5921   graphic_info = image_initial;         // graphic == 0 => image_initial
5922
5923   for (i = 0; i < NUM_INITIAL_IMAGES; i++)
5924     set_graphic_parameters_ext(i, parameter[i], image_initial[i].bitmaps);
5925
5926   graphic_info = graphic_info_last;
5927
5928   for (i = 0; i < NUM_INITIAL_IMAGES_BUSY; i++)
5929   {
5930     // set image size for busy animations
5931     init_busy[i]->width  = image_initial[i].width;
5932     init_busy[i]->height = image_initial[i].height;
5933   }
5934
5935   SetLoadingBackgroundImage();
5936
5937   ClearRectangleOnBackground(window, 0, 0, WIN_XSIZE, WIN_YSIZE);
5938
5939   DrawProgramInfo();
5940
5941   InitGfxDrawBusyAnimFunction(DrawInitAnim);
5942   InitGfxDrawGlobalAnimFunction(DrawGlobalAnimations);
5943   InitGfxDrawGlobalBorderFunction(DrawMaskedBorderToTarget);
5944   InitGfxDrawTileCursorFunction(DrawTileCursor);
5945   InitGfxDrawEnvelopeRequestFunction(DrawEnvelopeRequestToScreen);
5946
5947   gfx.fade_border_source_status = global.border_status;
5948   gfx.fade_border_target_status = global.border_status;
5949   gfx.masked_border_bitmap_ptr = backbuffer;
5950
5951   // use copy of busy animation to prevent change while reloading artwork
5952   init_last = init;
5953 }
5954
5955 static void InitGfxBackground(void)
5956 {
5957   fieldbuffer = bitmap_db_field;
5958   SetDrawtoField(DRAW_TO_BACKBUFFER);
5959
5960   ClearRectangle(backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE);
5961
5962   redraw_mask = REDRAW_ALL;
5963 }
5964
5965 static void InitSnd(void)
5966 {
5967   InitSoundSettings_Static();
5968
5969   // read settings for initial sounds from default custom artwork config
5970   char *snd_config_filename = getPath3(options.sounds_directory,
5971                                        SND_DEFAULT_SUBDIR,
5972                                        SOUNDSINFO_FILENAME);
5973
5974   if (fileExists(snd_config_filename))
5975   {
5976     SetupFileHash *setup_file_hash = loadSetupFileHash(snd_config_filename);
5977
5978     if (setup_file_hash)
5979     {
5980       // read values from custom sounds config file
5981       InitSoundSettings_FromHash(setup_file_hash, FALSE);
5982
5983       freeSetupFileHash(setup_file_hash);
5984     }
5985   }
5986 }
5987
5988 static void InitLevelInfo(void)
5989 {
5990   LoadLevelInfo();                              // global level info
5991   LoadLevelSetup_LastSeries();                  // last played series info
5992   LoadLevelSetup_SeriesInfo();                  // last played level info
5993
5994   if (global.autoplay_leveldir &&
5995       global.autoplay_mode != AUTOPLAY_MODE_TEST)
5996   {
5997     leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
5998                                                  global.autoplay_leveldir);
5999     if (leveldir_current == NULL)
6000       leveldir_current = getFirstValidTreeInfoEntry(leveldir_first);
6001   }
6002
6003   SetLevelSetInfo(leveldir_current->identifier, level_nr);
6004 }
6005
6006 static void InitLevelArtworkInfo(void)
6007 {
6008   LoadLevelArtworkInfo();
6009 }
6010
6011 static void InitImages(void)
6012 {
6013   print_timestamp_init("InitImages");
6014
6015 #if 0
6016   Debug("init:InitImages", "leveldir_current->identifier == '%s'",
6017         leveldir_current == NULL ? "[NULL]" : leveldir_current->identifier);
6018   Debug("init:InitImages", "leveldir_current->graphics_path == '%s'",
6019         leveldir_current == NULL ? "[NULL]" : leveldir_current->graphics_path);
6020   Debug("init:InitImages", "leveldir_current->graphics_set == '%s'",
6021         leveldir_current == NULL ? "[NULL]" : leveldir_current->graphics_set);
6022   Debug("init:InitImages", "getLevelArtworkSet(ARTWORK_TYPE_GRAPHICS) == '%s'",
6023         leveldir_current == NULL ? "[NULL]" : LEVELDIR_ARTWORK_SET(leveldir_current, ARTWORK_TYPE_GRAPHICS));
6024 #endif
6025
6026   setLevelArtworkDir(artwork.gfx_first);
6027
6028 #if 0
6029   Debug("init:InitImages", "leveldir_current->identifier == '%s'",
6030         leveldir_current == NULL ? "[NULL]" : leveldir_current->identifier);
6031   Debug("init:InitImages", "leveldir_current->graphics_path == '%s'",
6032         leveldir_current == NULL ? "[NULL]" : leveldir_current->graphics_path);
6033   Debug("init:InitImages", "leveldir_current->graphics_set == '%s'",
6034          leveldir_current == NULL ? "[NULL]" : leveldir_current->graphics_set);
6035   Debug("init:InitImages", "getLevelArtworkSet(ARTWORK_TYPE_GRAPHICS) == '%s'",
6036         leveldir_current == NULL ? "[NULL]" : LEVELDIR_ARTWORK_SET(leveldir_current, ARTWORK_TYPE_GRAPHICS));
6037 #endif
6038
6039 #if 0
6040   Debug("init:InitImages", "InitImages for '%s' ['%s', '%s'] ['%s', '%s']",
6041         leveldir_current->identifier,
6042         artwork.gfx_current_identifier,
6043         artwork.gfx_current->identifier,
6044         leveldir_current->graphics_set,
6045         leveldir_current->graphics_path);
6046 #endif
6047
6048   UPDATE_BUSY_STATE();
6049
6050   ReloadCustomImages();
6051   print_timestamp_time("ReloadCustomImages");
6052
6053   UPDATE_BUSY_STATE();
6054
6055   LoadCustomElementDescriptions();
6056   print_timestamp_time("LoadCustomElementDescriptions");
6057
6058   UPDATE_BUSY_STATE();
6059
6060   LoadMenuDesignSettings();
6061   print_timestamp_time("LoadMenuDesignSettings");
6062
6063   UPDATE_BUSY_STATE();
6064
6065   ReinitializeGraphics();
6066   print_timestamp_time("ReinitializeGraphics");
6067
6068   LoadMenuDesignSettings_AfterGraphics();
6069   print_timestamp_time("LoadMenuDesignSettings_AfterGraphics");
6070
6071   UPDATE_BUSY_STATE();
6072
6073   print_timestamp_done("InitImages");
6074 }
6075
6076 static void InitSound(void)
6077 {
6078   print_timestamp_init("InitSound");
6079
6080   // set artwork path to send it to the sound server process
6081   setLevelArtworkDir(artwork.snd_first);
6082
6083   InitReloadCustomSounds();
6084   print_timestamp_time("InitReloadCustomSounds");
6085
6086   LoadSoundSettings();
6087   print_timestamp_time("LoadSoundSettings");
6088
6089   ReinitializeSounds();
6090   print_timestamp_time("ReinitializeSounds");
6091
6092   print_timestamp_done("InitSound");
6093 }
6094
6095 static void InitMusic(void)
6096 {
6097   print_timestamp_init("InitMusic");
6098
6099   // set artwork path to send it to the sound server process
6100   setLevelArtworkDir(artwork.mus_first);
6101
6102   InitReloadCustomMusic();
6103   print_timestamp_time("InitReloadCustomMusic");
6104
6105   ReinitializeMusic();
6106   print_timestamp_time("ReinitializeMusic");
6107
6108   print_timestamp_done("InitMusic");
6109 }
6110
6111 static void InitArtworkDone(void)
6112 {
6113   if (program.headless)
6114     return;
6115
6116   InitGlobalAnimations();
6117 }
6118
6119 static void InitNetworkSettings(void)
6120 {
6121   boolean network_enabled = (options.network || setup.network_mode);
6122   char *network_server = (options.server_host != NULL ? options.server_host :
6123                           setup.network_server_hostname);
6124
6125   if (strEqual(network_server, STR_NETWORK_AUTO_DETECT))
6126     network_server = NULL;
6127
6128   InitNetworkInfo(network_enabled,
6129                   FALSE,
6130                   options.serveronly,
6131                   network_server,
6132                   options.server_port);
6133 }
6134
6135 void InitNetworkServer(void)
6136 {
6137   if (!network.enabled || network.connected)
6138     return;
6139
6140   LimitScreenUpdates(FALSE);
6141
6142   if (game_status == GAME_MODE_LOADING)
6143     DrawProgramInfo();
6144
6145   if (!ConnectToServer(network.server_host, network.server_port))
6146   {
6147     network.enabled = FALSE;
6148
6149     setup.network_mode = FALSE;
6150   }
6151   else
6152   {
6153     SendToServer_ProtocolVersion();
6154     SendToServer_PlayerName(setup.player_name);
6155     SendToServer_NrWanted(setup.network_player_nr + 1);
6156
6157     network.connected = TRUE;
6158   }
6159
6160   // short time to recognize result of network initialization
6161   if (game_status == GAME_MODE_LOADING)
6162     Delay_WithScreenUpdates(1000);
6163 }
6164
6165 static boolean CheckArtworkConfigForCustomElements(char *filename)
6166 {
6167   SetupFileHash *setup_file_hash;
6168   boolean redefined_ce_found = FALSE;
6169
6170   // !!! CACHE THIS BY USING HASH 'filename' => 'true/false' !!!
6171
6172   if ((setup_file_hash = loadSetupFileHash(filename)) != NULL)
6173   {
6174     BEGIN_HASH_ITERATION(setup_file_hash, itr)
6175     {
6176       char *token = HASH_ITERATION_TOKEN(itr);
6177
6178       if (strPrefix(token, "custom_"))
6179       {
6180         redefined_ce_found = TRUE;
6181
6182         break;
6183       }
6184     }
6185     END_HASH_ITERATION(setup_file_hash, itr)
6186
6187     freeSetupFileHash(setup_file_hash);
6188   }
6189
6190   return redefined_ce_found;
6191 }
6192
6193 static boolean CheckArtworkTypeForRedefinedCustomElements(int type)
6194 {
6195   char *filename_base, *filename_local;
6196   boolean redefined_ce_found = FALSE;
6197
6198   setLevelArtworkDir(ARTWORK_FIRST_NODE(artwork, type));
6199
6200 #if 0
6201   Debug("init:CheckArtworkTypeForRedefinedCustomElements",
6202         "leveldir_current->identifier == '%s'",
6203         leveldir_current == NULL ? "[NULL]" : leveldir_current->identifier);
6204   Debug("init:CheckArtworkTypeForRedefinedCustomElements",
6205         "leveldir_current->graphics_path == '%s'",
6206         leveldir_current == NULL ? "[NULL]" : leveldir_current->graphics_path);
6207   Debug("init:CheckArtworkTypeForRedefinedCustomElements",
6208         "leveldir_current->graphics_set == '%s'",
6209         leveldir_current == NULL ? "[NULL]" : leveldir_current->graphics_set);
6210   Debug("init:CheckArtworkTypeForRedefinedCustomElements",
6211         "getLevelArtworkSet(ARTWORK_TYPE_GRAPHICS) == '%s'",
6212         leveldir_current == NULL ? "[NULL]" :
6213         LEVELDIR_ARTWORK_SET(leveldir_current, type));
6214 #endif
6215
6216   // first look for special artwork configured in level series config
6217   filename_base = getCustomArtworkLevelConfigFilename(type);
6218
6219 #if 0
6220   Debug("init:CheckArtworkTypeForRedefinedCustomElements",
6221         "filename_base == '%s'", filename_base);
6222 #endif
6223
6224   if (fileExists(filename_base))
6225     redefined_ce_found |= CheckArtworkConfigForCustomElements(filename_base);
6226
6227   filename_local = getCustomArtworkConfigFilename(type);
6228
6229 #if 0
6230   Debug("init:CheckArtworkTypeForRedefinedCustomElements",
6231         "filename_local == '%s'", filename_local);
6232 #endif
6233
6234   if (filename_local != NULL && !strEqual(filename_base, filename_local))
6235     redefined_ce_found |= CheckArtworkConfigForCustomElements(filename_local);
6236
6237 #if 0
6238   Debug("init:CheckArtworkTypeForRedefinedCustomElements",
6239         "redefined_ce_found == %d", redefined_ce_found);
6240 #endif
6241
6242   return redefined_ce_found;
6243 }
6244
6245 static void InitOverrideArtwork(void)
6246 {
6247   boolean redefined_ce_found = FALSE;
6248
6249   // to check if this level set redefines any CEs, do not use overriding
6250   gfx.override_level_graphics = FALSE;
6251   gfx.override_level_sounds   = FALSE;
6252   gfx.override_level_music    = FALSE;
6253
6254   // now check if this level set has definitions for custom elements
6255   if (setup.override_level_graphics == AUTO ||
6256       setup.override_level_sounds   == AUTO ||
6257       setup.override_level_music    == AUTO)
6258     redefined_ce_found =
6259       (CheckArtworkTypeForRedefinedCustomElements(ARTWORK_TYPE_GRAPHICS) |
6260        CheckArtworkTypeForRedefinedCustomElements(ARTWORK_TYPE_SOUNDS) |
6261        CheckArtworkTypeForRedefinedCustomElements(ARTWORK_TYPE_MUSIC));
6262
6263 #if 0
6264   Debug("init:InitOverrideArtwork", "redefined_ce_found == %d",
6265         redefined_ce_found);
6266 #endif
6267
6268   if (redefined_ce_found)
6269   {
6270     // this level set has CE definitions: change "AUTO" to "FALSE"
6271     gfx.override_level_graphics = (setup.override_level_graphics == TRUE);
6272     gfx.override_level_sounds   = (setup.override_level_sounds   == TRUE);
6273     gfx.override_level_music    = (setup.override_level_music    == TRUE);
6274   }
6275   else
6276   {
6277     // this level set has no CE definitions: change "AUTO" to "TRUE"
6278     gfx.override_level_graphics = (setup.override_level_graphics != FALSE);
6279     gfx.override_level_sounds   = (setup.override_level_sounds   != FALSE);
6280     gfx.override_level_music    = (setup.override_level_music    != FALSE);
6281   }
6282
6283 #if 0
6284   Debug("init:InitOverrideArtwork", "%d, %d, %d",
6285         gfx.override_level_graphics,
6286         gfx.override_level_sounds,
6287         gfx.override_level_music);
6288 #endif
6289 }
6290
6291 static char *setNewArtworkIdentifier(int type)
6292 {
6293   static char *last_leveldir_identifier[3] = { NULL, NULL, NULL };
6294   static char *last_artwork_identifier[3] = { NULL, NULL, NULL };
6295   static boolean last_override_level_artwork[3] = { FALSE, FALSE, FALSE };
6296   static boolean last_has_custom_artwork_set[3] = { FALSE, FALSE, FALSE };
6297   static boolean initialized[3] = { FALSE, FALSE, FALSE };
6298   TreeInfo *artwork_first_node = ARTWORK_FIRST_NODE(artwork, type);
6299   boolean setup_override_artwork = GFX_OVERRIDE_ARTWORK(type);
6300   char *setup_artwork_set = SETUP_ARTWORK_SET(setup, type);
6301   char *leveldir_identifier = leveldir_current->identifier;
6302   // !!! setLevelArtworkDir() should be moved to an earlier stage !!!
6303   char *leveldir_artwork_set = setLevelArtworkDir(artwork_first_node);
6304   boolean has_level_artwork_set = (leveldir_artwork_set != NULL);
6305   TreeInfo *custom_artwork_set =
6306     getTreeInfoFromIdentifier(artwork_first_node, leveldir_identifier);
6307   boolean has_custom_artwork_set = (custom_artwork_set != NULL);
6308   char *artwork_current_identifier;
6309   char *artwork_new_identifier = NULL;  // default: nothing has changed
6310
6311   // leveldir_current may be invalid (level group, parent link)
6312   if (!validLevelSeries(leveldir_current))
6313     return NULL;
6314
6315   /* 1st step: determine artwork set to be activated in descending order:
6316      --------------------------------------------------------------------
6317      1. setup artwork (when configured to override everything else)
6318      2. artwork set configured in "levelinfo.conf" of current level set
6319         (artwork in level directory will have priority when loading later)
6320      3. artwork in level directory (stored in artwork sub-directory)
6321      4. setup artwork (currently configured in setup menu) */
6322
6323   if (setup_override_artwork)
6324     artwork_current_identifier = setup_artwork_set;
6325   else if (has_level_artwork_set)
6326     artwork_current_identifier = leveldir_artwork_set;
6327   else if (has_custom_artwork_set)
6328     artwork_current_identifier = leveldir_identifier;
6329   else
6330     artwork_current_identifier = setup_artwork_set;
6331
6332   /* 2nd step: check if it is really needed to reload artwork set
6333      ------------------------------------------------------------ */
6334
6335   // ---------- reload if level set and also artwork set has changed ----------
6336   if (last_leveldir_identifier[type] != leveldir_identifier &&
6337       (last_has_custom_artwork_set[type] || has_custom_artwork_set))
6338     artwork_new_identifier = artwork_current_identifier;
6339
6340   last_leveldir_identifier[type] = leveldir_identifier;
6341   last_has_custom_artwork_set[type] = has_custom_artwork_set;
6342
6343   // ---------- reload if "override artwork" setting has changed --------------
6344   if (last_override_level_artwork[type] != setup_override_artwork)
6345     artwork_new_identifier = artwork_current_identifier;
6346
6347   last_override_level_artwork[type] = setup_override_artwork;
6348
6349   // ---------- reload if current artwork identifier has changed --------------
6350   if (!strEqual(last_artwork_identifier[type], artwork_current_identifier))
6351     artwork_new_identifier = artwork_current_identifier;
6352
6353   // (we cannot compare string pointers here, so copy string content itself)
6354   setString(&last_artwork_identifier[type], artwork_current_identifier);
6355
6356   // ---------- set new artwork identifier ----------
6357   *(ARTWORK_CURRENT_IDENTIFIER_PTR(artwork, type)) = artwork_current_identifier;
6358
6359   // ---------- do not reload directly after starting -------------------------
6360   if (!initialized[type])
6361     artwork_new_identifier = NULL;
6362
6363   initialized[type] = TRUE;
6364
6365   return artwork_new_identifier;
6366 }
6367
6368 static void InitArtworkIdentifier(void)
6369 {
6370   setNewArtworkIdentifier(ARTWORK_TYPE_GRAPHICS);
6371   setNewArtworkIdentifier(ARTWORK_TYPE_SOUNDS);
6372   setNewArtworkIdentifier(ARTWORK_TYPE_MUSIC);
6373 }
6374
6375 void ReloadCustomArtwork(int force_reload)
6376 {
6377   int last_game_status = game_status;   // save current game status
6378   char *gfx_new_identifier;
6379   char *snd_new_identifier;
6380   char *mus_new_identifier;
6381   boolean force_reload_gfx = (force_reload & (1 << ARTWORK_TYPE_GRAPHICS));
6382   boolean force_reload_snd = (force_reload & (1 << ARTWORK_TYPE_SOUNDS));
6383   boolean force_reload_mus = (force_reload & (1 << ARTWORK_TYPE_MUSIC));
6384   boolean reload_needed;
6385
6386   InitOverrideArtwork();
6387
6388   AdjustGraphicsForEMC();
6389   AdjustSoundsForEMC();
6390
6391   gfx_new_identifier = setNewArtworkIdentifier(ARTWORK_TYPE_GRAPHICS);
6392   snd_new_identifier = setNewArtworkIdentifier(ARTWORK_TYPE_SOUNDS);
6393   mus_new_identifier = setNewArtworkIdentifier(ARTWORK_TYPE_MUSIC);
6394
6395   reload_needed = (gfx_new_identifier != NULL || force_reload_gfx ||
6396                    snd_new_identifier != NULL || force_reload_snd ||
6397                    mus_new_identifier != NULL || force_reload_mus);
6398
6399   if (!reload_needed)
6400     return;
6401
6402   print_timestamp_init("ReloadCustomArtwork");
6403
6404   SetGameStatus(GAME_MODE_LOADING);
6405
6406   FadeOut(REDRAW_ALL);
6407
6408   SetLoadingBackgroundImage();
6409
6410   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
6411   print_timestamp_time("ClearRectangleOnBackground");
6412
6413   FadeIn(REDRAW_ALL);
6414
6415   UPDATE_BUSY_STATE();
6416
6417   InitMissingFileHash();
6418
6419   if (gfx_new_identifier != NULL || force_reload_gfx)
6420   {
6421 #if 0
6422     Debug("init:ReloadCustomArtwork",
6423           "RELOADING GRAPHICS '%s' -> '%s' ['%s', '%s']",
6424           artwork.gfx_current_identifier,
6425           gfx_new_identifier,
6426           artwork.gfx_current->identifier,
6427           leveldir_current->graphics_set);
6428 #endif
6429
6430     InitImages();
6431     print_timestamp_time("InitImages");
6432   }
6433
6434   if (snd_new_identifier != NULL || force_reload_snd)
6435   {
6436     InitSound();
6437     print_timestamp_time("InitSound");
6438   }
6439
6440   if (mus_new_identifier != NULL || force_reload_mus)
6441   {
6442     InitMusic();
6443     print_timestamp_time("InitMusic");
6444   }
6445
6446   InitArtworkDone();
6447
6448   SetGameStatus(last_game_status);      // restore current game status
6449
6450   FadeOut(REDRAW_ALL);
6451
6452   RedrawGlobalBorder();
6453
6454   // force redraw of (open or closed) door graphics
6455   SetDoorState(DOOR_OPEN_ALL);
6456   CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
6457
6458   FadeSetEnterScreen();
6459   FadeSkipNextFadeOut();
6460
6461   print_timestamp_done("ReloadCustomArtwork");
6462
6463   LimitScreenUpdates(FALSE);
6464 }
6465
6466 void KeyboardAutoRepeatOffUnlessAutoplay(void)
6467 {
6468   if (global.autoplay_leveldir == NULL)
6469     KeyboardAutoRepeatOff();
6470 }
6471
6472 void DisplayExitMessage(char *format, va_list ap)
6473 {
6474   // also check for initialized video (headless flag may be temporarily unset)
6475   if (program.headless || !video.initialized)
6476     return;
6477
6478   // check if draw buffer and fonts for exit message are already available
6479   if (drawto == NULL || font_initial[NUM_INITIAL_FONTS - 1].bitmap == NULL)
6480     return;
6481
6482   int font_1 = FC_RED;
6483   int font_2 = FC_YELLOW;
6484   int font_3 = FC_BLUE;
6485   int font_width = getFontWidth(font_2);
6486   int font_height = getFontHeight(font_2);
6487   int sx = SX;
6488   int sy = SY;
6489   int sxsize = WIN_XSIZE - 2 * sx;
6490   int sysize = WIN_YSIZE - 2 * sy;
6491   int line_length = sxsize / font_width;
6492   int max_lines = sysize / font_height;
6493   int num_lines_printed;
6494
6495   gfx.sx = sx;
6496   gfx.sy = sy;
6497   gfx.sxsize = sxsize;
6498   gfx.sysize = sysize;
6499
6500   sy = 20;
6501
6502   ClearRectangle(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
6503
6504   DrawTextSCentered(sy, font_1, "Fatal error:");
6505   sy += 3 * font_height;;
6506
6507   num_lines_printed =
6508     DrawTextBufferVA(sx, sy, format, ap, font_2,
6509                      line_length, line_length, max_lines,
6510                      0, BLIT_ON_BACKGROUND, TRUE, TRUE, FALSE);
6511   sy += (num_lines_printed + 3) * font_height;
6512
6513   DrawTextSCentered(sy, font_1, "For details, see the following error file:");
6514   sy += 3 * font_height;
6515
6516   num_lines_printed =
6517     DrawTextBuffer(sx, sy, program.log_filename, font_2,
6518                    line_length, line_length, max_lines,
6519                    0, BLIT_ON_BACKGROUND, TRUE, TRUE, FALSE);
6520
6521   DrawTextSCentered(SYSIZE - 20, font_3, "Press any key or button to exit");
6522
6523   redraw_mask = REDRAW_ALL;
6524
6525   // force drawing exit message even if screen updates are currently limited
6526   LimitScreenUpdates(FALSE);
6527
6528   BackToFront();
6529
6530   // deactivate toons and global animations on error message screen
6531   setup.global_animations = FALSE;
6532
6533   WaitForEventToContinue();
6534 }
6535
6536
6537 // ============================================================================
6538 // OpenAll()
6539 // ============================================================================
6540
6541 void OpenAll(void)
6542 {
6543   print_timestamp_init("OpenAll");
6544
6545   SetGameStatus(GAME_MODE_LOADING);
6546
6547   InitCounter();
6548
6549   InitGlobal();                 // initialize some global variables
6550
6551   InitRND(NEW_RANDOMIZE);
6552   InitSimpleRandom(NEW_RANDOMIZE);
6553   InitBetterRandom(NEW_RANDOMIZE);
6554
6555   InitMissingFileHash();
6556
6557   print_timestamp_time("[init global stuff]");
6558
6559   InitSetup();
6560
6561   print_timestamp_time("[init setup/config stuff (1)]");
6562
6563   if (options.execute_command)
6564     Execute_Command(options.execute_command);
6565
6566   InitNetworkSettings();
6567
6568   InitRuntimeInfo();
6569
6570   if (network.serveronly)
6571   {
6572 #if defined(PLATFORM_UNIX)
6573     NetworkServer(network.server_port, TRUE);
6574 #else
6575     Warn("networking only supported in Unix version");
6576 #endif
6577
6578     exit(0);                    // never reached, server loops forever
6579   }
6580
6581   InitGameInfo();
6582   print_timestamp_time("[init setup/config stuff (2)]");
6583   InitPlayerInfo();
6584   print_timestamp_time("[init setup/config stuff (3)]");
6585   InitArtworkInfo();            // needed before loading gfx, sound & music
6586   print_timestamp_time("[init setup/config stuff (4)]");
6587   InitArtworkConfig();          // needed before forking sound child process
6588   print_timestamp_time("[init setup/config stuff (5)]");
6589   InitMixer();
6590   print_timestamp_time("[init setup/config stuff (6)]");
6591
6592   InitJoysticks();
6593
6594   print_timestamp_time("[init setup/config stuff]");
6595
6596   InitVideoDefaults();
6597   InitVideoDisplay();
6598   InitVideoBuffer(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH, setup.fullscreen);
6599   InitVideoOverlay();
6600
6601   InitEventFilter(FilterMouseMotionEvents);
6602
6603   print_timestamp_time("[init video stuff]");
6604
6605   InitElementPropertiesStatic();
6606   InitElementPropertiesEngine(GAME_VERSION_ACTUAL);
6607   InitElementPropertiesGfxElement();
6608
6609   print_timestamp_time("[init element properties stuff]");
6610
6611   InitGfx();
6612   InitSnd();
6613
6614   print_timestamp_time("InitGfx");
6615
6616   InitLevelInfo();
6617   print_timestamp_time("InitLevelInfo");
6618
6619   InitLevelArtworkInfo();
6620   print_timestamp_time("InitLevelArtworkInfo");
6621
6622   InitOverrideArtwork();        // needs to know current level directory
6623   print_timestamp_time("InitOverrideArtwork");
6624
6625   InitArtworkIdentifier();      // needs to know current level directory
6626   print_timestamp_time("InitArtworkIdentifier");
6627
6628   InitImages();                 // needs to know current level directory
6629   print_timestamp_time("InitImages");
6630
6631   InitSound();                  // needs to know current level directory
6632   print_timestamp_time("InitSound");
6633
6634   InitMusic();                  // needs to know current level directory
6635   print_timestamp_time("InitMusic");
6636
6637   InitArtworkDone();
6638
6639   InitGfxBackground();
6640
6641   bd_open_all();
6642   em_open_all();
6643   sp_open_all();
6644   mm_open_all();
6645
6646   if (global.autoplay_leveldir)
6647   {
6648     AutoPlayTapes();
6649     return;
6650   }
6651   else if (global.patchtapes_leveldir)
6652   {
6653     PatchTapes();
6654     return;
6655   }
6656   else if (global.convert_leveldir)
6657   {
6658     ConvertLevels();
6659     return;
6660   }
6661   else if (global.dumplevel_leveldir)
6662   {
6663     DumpLevels();
6664     return;
6665   }
6666   else if (global.dumptape_leveldir)
6667   {
6668     DumpTapes();
6669     return;
6670   }
6671   else if (global.create_sketch_images_dir)
6672   {
6673     CreateLevelSketchImages();
6674     return;
6675   }
6676   else if (global.create_collect_images_dir)
6677   {
6678     CreateCollectElementImages();
6679     return;
6680   }
6681
6682   InitNetworkServer();
6683
6684   SetGameStatus(GAME_MODE_MAIN);
6685
6686   FadeSetEnterScreen();
6687   if (!(fading.fade_mode & FADE_TYPE_TRANSFORM))
6688     FadeSkipNextFadeOut();
6689
6690   print_timestamp_time("[post-artwork]");
6691
6692   print_timestamp_done("OpenAll");
6693
6694   if (setup.ask_for_remaining_tapes)
6695     setup.ask_for_uploading_tapes = TRUE;
6696
6697   DrawMainMenu();
6698
6699 #if 0
6700   Debug("internal:path", "SDL_GetBasePath() == '%s'",
6701         SDL_GetBasePath());
6702   Debug("internal:path", "SDL_GetPrefPath() == '%s'",
6703         SDL_GetPrefPath("artsoft", "rocksndiamonds"));
6704 #if defined(PLATFORM_ANDROID)
6705   Debug("internal:path", "SDL_AndroidGetInternalStoragePath() == '%s'",
6706         SDL_AndroidGetInternalStoragePath());
6707   Debug("internal:path", "SDL_AndroidGetExternalStoragePath() == '%s'",
6708         SDL_AndroidGetExternalStoragePath());
6709   Debug("internal:path", "SDL_AndroidGetExternalStorageState() == '%s'",
6710         (SDL_AndroidGetExternalStorageState() &
6711          SDL_ANDROID_EXTERNAL_STORAGE_WRITE ? "writable" :
6712          SDL_AndroidGetExternalStorageState() &
6713          SDL_ANDROID_EXTERNAL_STORAGE_READ ? "readable" : "not available"));
6714 #endif
6715 #endif
6716 }
6717
6718 static boolean WaitForApiThreads(void)
6719 {
6720   DelayCounter thread_delay = { 10000 };
6721
6722   if (program.api_thread_count == 0)
6723     return TRUE;
6724
6725   // deactivate global animations (not accessible in game state "loading")
6726   setup.global_animations = FALSE;
6727
6728   // set game state to "loading" to be able to show busy animation
6729   SetGameStatus(GAME_MODE_LOADING);
6730
6731   ResetDelayCounter(&thread_delay);
6732
6733   // wait for threads to finish (and fail on timeout)
6734   while (program.api_thread_count > 0)
6735   {
6736     if (DelayReached(&thread_delay))
6737     {
6738       Error("failed waiting for threads - TIMEOUT");
6739
6740       return FALSE;
6741     }
6742
6743     UPDATE_BUSY_STATE();
6744
6745     Delay(20);
6746   }
6747
6748   return TRUE;
6749 }
6750
6751 void CloseAllAndExit(int exit_value)
6752 {
6753   WaitForApiThreads();
6754
6755   StopSounds();
6756   FreeAllSounds();
6757   FreeAllMusic();
6758   CloseAudio();         // called after freeing sounds (needed for SDL)
6759
6760   bd_close_all();
6761   em_close_all();
6762   sp_close_all();
6763
6764   FreeAllImages();
6765
6766   // !!! TODO !!!
6767   // set a flag to tell the network server thread to quit and wait for it
6768   // using SDL_WaitThread()
6769   //
6770   // Code used with SDL 1.2:
6771   // if (network.server_thread) // terminate network server
6772   //   SDL_KillThread(network.server_thread);
6773
6774   CloseVideoDisplay();
6775   ClosePlatformDependentStuff();
6776
6777   if (exit_value != 0 && !options.execute_command)
6778   {
6779     // fall back to default level set (current set may have caused an error)
6780     SaveLevelSetup_LastSeries_Deactivate();
6781
6782     // tell user where to find error log file which may contain more details
6783     // (error notification now directly displayed on screen inside R'n'D
6784     // NotifyUserAboutErrorFile();      // currently only works for Windows
6785   }
6786
6787   exit(exit_value);
6788 }