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 //                  http://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 "cartoons.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                "global.busy"
  38
  39
  40 static struct FontBitmapInfo font_initial[NUM_INITIAL_FONTS];
  41 static struct GraphicInfo    anim_initial;
  42
  43 static int copy_properties[][5] =
  44 {
  45   {
  46     EL_BUG,
  47     EL_BUG_LEFT,                EL_BUG_RIGHT,
  48     EL_BUG_UP,                  EL_BUG_DOWN
  49   },
  50   {
  51     EL_SPACESHIP,
  52     EL_SPACESHIP_LEFT,          EL_SPACESHIP_RIGHT,
  53     EL_SPACESHIP_UP,            EL_SPACESHIP_DOWN
  54   },
  55   {
  56     EL_BD_BUTTERFLY,
  57     EL_BD_BUTTERFLY_LEFT,       EL_BD_BUTTERFLY_RIGHT,
  58     EL_BD_BUTTERFLY_UP,         EL_BD_BUTTERFLY_DOWN
  59   },
  60   {
  61     EL_BD_FIREFLY,
  62     EL_BD_FIREFLY_LEFT,         EL_BD_FIREFLY_RIGHT,
  63     EL_BD_FIREFLY_UP,           EL_BD_FIREFLY_DOWN
  64   },
  65   {
  66     EL_PACMAN,
  67     EL_PACMAN_LEFT,             EL_PACMAN_RIGHT,
  68     EL_PACMAN_UP,               EL_PACMAN_DOWN
  69   },
  70   {
  71     EL_YAMYAM,
  72     EL_YAMYAM_LEFT,             EL_YAMYAM_RIGHT,
  73     EL_YAMYAM_UP,               EL_YAMYAM_DOWN
  74   },
  75   {
  76     EL_MOLE,
  77     EL_MOLE_LEFT,               EL_MOLE_RIGHT,
  78     EL_MOLE_UP,                 EL_MOLE_DOWN
  79   },
  80   {
  81     -1,
  82     -1, -1, -1, -1
  83   }
  84 };
  85
  86
  87 void DrawInitAnim()
  88 {
  89   struct GraphicInfo *graphic_info_last = graphic_info;
  90   int graphic = 0;
  91   static unsigned int action_delay = 0;
  92   unsigned int action_delay_value = GameFrameDelay;
  93   int sync_frame = FrameCounter;
  94   int x, y;
  95
  96   if (game_status != GAME_MODE_LOADING)
  97     return;
  98
  99   if (anim_initial.bitmap == NULL || window == NULL)
 100     return;
 101
 102   if (!DelayReached(&action_delay, action_delay_value))
 103     return;
 104
 105   if (init_last.busy.x == -1)
 106     init_last.busy.x = WIN_XSIZE / 2;
 107   if (init_last.busy.y == -1)
 108     init_last.busy.y = WIN_YSIZE / 2;
 109
 110   x = ALIGNED_TEXT_XPOS(&init_last.busy);
 111   y = ALIGNED_TEXT_YPOS(&init_last.busy);
 112
 113   graphic_info = &anim_initial;         /* graphic == 0 => anim_initial */
 114
 115   if (sync_frame % anim_initial.anim_delay == 0)
 116   {
 117     Bitmap *src_bitmap;
 118     int src_x, src_y;
 119     int width = graphic_info[graphic].width;
 120     int height = graphic_info[graphic].height;
 121     int frame = getGraphicAnimationFrame(graphic, sync_frame);
 122
 123     getFixedGraphicSource(graphic, frame, &src_bitmap, &src_x, &src_y);
 124     BlitBitmap(src_bitmap, window, src_x, src_y, width, height, x, y);
 125   }
 126
 127   graphic_info = graphic_info_last;
 128
 129   FrameCounter++;
 130 }
 131
 132 void FreeGadgets()
 133 {
 134   FreeLevelEditorGadgets();
 135   FreeGameButtons();
 136   FreeTapeButtons();
 137   FreeToolButtons();
 138   FreeScreenGadgets();
 139 }
 140
 141 void InitGadgets()
 142 {
 143   static boolean gadgets_initialized = FALSE;
 144
 145   if (gadgets_initialized)
 146     FreeGadgets();
 147
 148   CreateLevelEditorGadgets();
 149   CreateGameButtons();
 150   CreateTapeButtons();
 151   CreateToolButtons();
 152   CreateScreenGadgets();
 153
 154   InitGadgetsSoundCallback(PlaySoundActivating, PlaySoundSelecting);
 155
 156   gadgets_initialized = TRUE;
 157 }
 158
 159 inline static void InitElementSmallImagesScaledUp(int graphic)
 160 {
 161   struct GraphicInfo *g = &graphic_info[graphic];
 162
 163   // create small and game tile sized bitmaps (and scale up, if needed)
 164   CreateImageWithSmallImages(graphic, g->scale_up_factor, g->tile_size);
 165 }
 166
 167 void InitElementSmallImages()
 168 {
 169   print_timestamp_init("InitElementSmallImages");
 170
 171   static int special_graphics[] =
 172   {
 173     IMG_EDITOR_ELEMENT_BORDER,
 174     IMG_EDITOR_ELEMENT_BORDER_INPUT,
 175     IMG_EDITOR_CASCADE_LIST,
 176     IMG_EDITOR_CASCADE_LIST_ACTIVE,
 177     -1
 178   };
 179   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
 180   int num_property_mappings = getImageListPropertyMappingSize();
 181   int i;
 182
 183   print_timestamp_time("getImageListPropertyMapping/Size");
 184
 185   print_timestamp_init("InitElementSmallImagesScaledUp (1)");
 186   /* initialize normal images from static configuration */
 187   for (i = 0; element_to_graphic[i].element > -1; i++)
 188     InitElementSmallImagesScaledUp(element_to_graphic[i].graphic);
 189   print_timestamp_done("InitElementSmallImagesScaledUp (1)");
 190
 191   /* initialize special images from static configuration */
 192   for (i = 0; element_to_special_graphic[i].element > -1; i++)
 193     InitElementSmallImagesScaledUp(element_to_special_graphic[i].graphic);
 194   print_timestamp_time("InitElementSmallImagesScaledUp (2)");
 195
 196   /* initialize images from dynamic configuration (may be elements or other) */
 197   for (i = 0; i < num_property_mappings; i++)
 198     InitElementSmallImagesScaledUp(property_mapping[i].artwork_index);
 199   print_timestamp_time("InitElementSmallImagesScaledUp (3)");
 200
 201   /* initialize special images from above list (non-element images) */
 202   for (i = 0; special_graphics[i] > -1; i++)
 203     InitElementSmallImagesScaledUp(special_graphics[i]);
 204   print_timestamp_time("InitElementSmallImagesScaledUp (4)");
 205
 206   print_timestamp_done("InitElementSmallImages");
 207 }
 208
 209 void InitScaledImages()
 210 {
 211   int i;
 212
 213   /* scale normal images from static configuration, if not already scaled */
 214   for (i = 0; i < NUM_IMAGE_FILES; i++)
 215     ScaleImage(i, graphic_info[i].scale_up_factor);
 216 }
 217
 218 void InitBitmapPointers()
 219 {
 220   int num_images = getImageListSize();
 221   int i;
 222
 223   // standard size bitmap may have changed -- update default bitmap pointer
 224   for (i = 0; i < num_images; i++)
 225     if (graphic_info[i].bitmaps)
 226       graphic_info[i].bitmap = graphic_info[i].bitmaps[IMG_BITMAP_STANDARD];
 227 }
 228
 229 void InitImageTextures()
 230 {
 231   int i, j, k;
 232
 233   FreeAllImageTextures();
 234
 235   for (i = IMG_GLOBAL_BORDER_FIRST; i <= IMG_GLOBAL_BORDER_LAST; i++)
 236     CreateImageTextures(i);
 237
 238   for (i = 0; i < MAX_NUM_TOONS; i++)
 239     CreateImageTextures(IMG_TOON_1 + i);
 240
 241   for (i = 0; i < NUM_GLOBAL_ANIMS; i++)
 242   {
 243     for (j = 0; j < NUM_GLOBAL_ANIM_PARTS_ALL; j++)
 244     {
 245       for (k = 0; k < NUM_SPECIAL_GFX_ARGS; k++)
 246       {
 247         int graphic = global_anim_info[i].graphic[j][k];
 248
 249         if (graphic == IMG_UNDEFINED)
 250           continue;
 251
 252         CreateImageTextures(graphic);
 253       }
 254     }
 255   }
 256 }
 257
 258 #if 1
 259 /* !!! FIX THIS (CHANGE TO USING NORMAL ELEMENT GRAPHIC DEFINITIONS) !!! */
 260 void SetBitmaps_EM(Bitmap **em_bitmap)
 261 {
 262   em_bitmap[0] = graphic_info[IMG_EMC_OBJECT].bitmap;
 263   em_bitmap[1] = graphic_info[IMG_EMC_SPRITE].bitmap;
 264 }
 265 #endif
 266
 267 #if 0
 268 /* !!! FIX THIS (CHANGE TO USING NORMAL ELEMENT GRAPHIC DEFINITIONS) !!! */
 269 void SetBitmaps_SP(Bitmap **sp_bitmap)
 270 {
 271   *sp_bitmap = graphic_info[IMG_SP_OBJECTS].bitmap;
 272 }
 273 #endif
 274
 275 static int getFontBitmapID(int font_nr)
 276 {
 277   int special = -1;
 278
 279   /* (special case: do not use special font for GAME_MODE_LOADING) */
 280   if (game_status >= GAME_MODE_TITLE_INITIAL &&
 281       game_status <= GAME_MODE_PSEUDO_PREVIEW)
 282     special = game_status;
 283   else if (game_status == GAME_MODE_PSEUDO_TYPENAME)
 284     special = GFX_SPECIAL_ARG_MAIN;
 285
 286   if (special != -1)
 287     return font_info[font_nr].special_bitmap_id[special];
 288   else
 289     return font_nr;
 290 }
 291
 292 static int getFontFromToken(char *token)
 293 {
 294   char *value = getHashEntry(font_token_hash, token);
 295
 296   if (value != NULL)
 297     return atoi(value);
 298
 299   /* if font not found, use reliable default value */
 300   return FONT_INITIAL_1;
 301 }
 302
 303 void InitFontGraphicInfo()
 304 {
 305   static struct FontBitmapInfo *font_bitmap_info = NULL;
 306   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
 307   int num_property_mappings = getImageListPropertyMappingSize();
 308   int num_font_bitmaps = NUM_FONTS;
 309   int i, j;
 310
 311   if (graphic_info == NULL)             /* still at startup phase */
 312   {
 313     InitFontInfo(font_initial, NUM_INITIAL_FONTS,
 314                  getFontBitmapID, getFontFromToken);
 315
 316     return;
 317   }
 318
 319   /* ---------- initialize font graphic definitions ---------- */
 320
 321   /* always start with reliable default values (normal font graphics) */
 322   for (i = 0; i < NUM_FONTS; i++)
 323     font_info[i].graphic = IMG_FONT_INITIAL_1;
 324
 325   /* initialize normal font/graphic mapping from static configuration */
 326   for (i = 0; font_to_graphic[i].font_nr > -1; i++)
 327   {
 328     int font_nr = font_to_graphic[i].font_nr;
 329     int special = font_to_graphic[i].special;
 330     int graphic = font_to_graphic[i].graphic;
 331
 332     if (special != -1)
 333       continue;
 334
 335     font_info[font_nr].graphic = graphic;
 336   }
 337
 338   /* always start with reliable default values (special font graphics) */
 339   for (i = 0; i < NUM_FONTS; i++)
 340   {
 341     for (j = 0; j < NUM_SPECIAL_GFX_ARGS; j++)
 342     {
 343       font_info[i].special_graphic[j] = font_info[i].graphic;
 344       font_info[i].special_bitmap_id[j] = i;
 345     }
 346   }
 347
 348   /* initialize special font/graphic mapping from static configuration */
 349   for (i = 0; font_to_graphic[i].font_nr > -1; i++)
 350   {
 351     int font_nr      = font_to_graphic[i].font_nr;
 352     int special      = font_to_graphic[i].special;
 353     int graphic      = font_to_graphic[i].graphic;
 354     int base_graphic = font2baseimg(font_nr);
 355
 356     if (IS_SPECIAL_GFX_ARG(special))
 357     {
 358       boolean base_redefined =
 359         getImageListEntryFromImageID(base_graphic)->redefined;
 360       boolean special_redefined =
 361         getImageListEntryFromImageID(graphic)->redefined;
 362       boolean special_cloned = (graphic_info[graphic].clone_from != -1);
 363
 364       /* if the base font ("font.title_1", for example) has been redefined,
 365          but not the special font ("font.title_1.LEVELS", for example), do not
 366          use an existing (in this case considered obsolete) special font
 367          anymore, but use the automatically determined default font */
 368       /* special case: cloned special fonts must be explicitly redefined,
 369          but are not automatically redefined by redefining base font */
 370       if (base_redefined && !special_redefined && !special_cloned)
 371         continue;
 372
 373       font_info[font_nr].special_graphic[special] = graphic;
 374       font_info[font_nr].special_bitmap_id[special] = num_font_bitmaps;
 375       num_font_bitmaps++;
 376     }
 377   }
 378
 379   /* initialize special font/graphic mapping from dynamic configuration */
 380   for (i = 0; i < num_property_mappings; i++)
 381   {
 382     int font_nr = property_mapping[i].base_index - MAX_NUM_ELEMENTS;
 383     int special = property_mapping[i].ext3_index;
 384     int graphic = property_mapping[i].artwork_index;
 385
 386     if (font_nr < 0)
 387       continue;
 388
 389     if (IS_SPECIAL_GFX_ARG(special))
 390     {
 391       font_info[font_nr].special_graphic[special] = graphic;
 392       font_info[font_nr].special_bitmap_id[special] = num_font_bitmaps;
 393       num_font_bitmaps++;
 394     }
 395   }
 396
 397   /* correct special font/graphic mapping for cloned fonts for downwards
 398      compatibility of PREVIEW fonts -- this is only needed for implicit
 399      redefinition of special font by redefined base font, and only if other
 400      fonts are cloned from this special font (like in the "Zelda" level set) */
 401   for (i = 0; font_to_graphic[i].font_nr > -1; i++)
 402   {
 403     int font_nr = font_to_graphic[i].font_nr;
 404     int special = font_to_graphic[i].special;
 405     int graphic = font_to_graphic[i].graphic;
 406
 407     if (IS_SPECIAL_GFX_ARG(special))
 408     {
 409       boolean special_redefined =
 410         getImageListEntryFromImageID(graphic)->redefined;
 411       boolean special_cloned = (graphic_info[graphic].clone_from != -1);
 412
 413       if (special_cloned && !special_redefined)
 414       {
 415         int j;
 416
 417         for (j = 0; font_to_graphic[j].font_nr > -1; j++)
 418         {
 419           int font_nr2 = font_to_graphic[j].font_nr;
 420           int special2 = font_to_graphic[j].special;
 421           int graphic2 = font_to_graphic[j].graphic;
 422
 423           if (IS_SPECIAL_GFX_ARG(special2) &&
 424               graphic2 == graphic_info[graphic].clone_from)
 425           {
 426             font_info[font_nr].special_graphic[special] =
 427               font_info[font_nr2].special_graphic[special2];
 428             font_info[font_nr].special_bitmap_id[special] =
 429               font_info[font_nr2].special_bitmap_id[special2];
 430           }
 431         }
 432       }
 433     }
 434   }
 435
 436   /* reset non-redefined ".active" font graphics if normal font is redefined */
 437   /* (this different treatment is needed because normal and active fonts are
 438      independently defined ("active" is not a property of font definitions!) */
 439   for (i = 0; i < NUM_FONTS; i++)
 440   {
 441     int font_nr_base = i;
 442     int font_nr_active = FONT_ACTIVE(font_nr_base);
 443
 444     /* check only those fonts with exist as normal and ".active" variant */
 445     if (font_nr_base != font_nr_active)
 446     {
 447       int base_graphic = font_info[font_nr_base].graphic;
 448       int active_graphic = font_info[font_nr_active].graphic;
 449       boolean base_redefined =
 450         getImageListEntryFromImageID(base_graphic)->redefined;
 451       boolean active_redefined =
 452         getImageListEntryFromImageID(active_graphic)->redefined;
 453
 454       /* if the base font ("font.menu_1", for example) has been redefined,
 455          but not the active font ("font.menu_1.active", for example), do not
 456          use an existing (in this case considered obsolete) active font
 457          anymore, but use the automatically determined default font */
 458       if (base_redefined && !active_redefined)
 459         font_info[font_nr_active].graphic = base_graphic;
 460
 461       /* now also check each "special" font (which may be the same as above) */
 462       for (j = 0; j < NUM_SPECIAL_GFX_ARGS; j++)
 463       {
 464         int base_graphic = font_info[font_nr_base].special_graphic[j];
 465         int active_graphic = font_info[font_nr_active].special_graphic[j];
 466         boolean base_redefined =
 467           getImageListEntryFromImageID(base_graphic)->redefined;
 468         boolean active_redefined =
 469           getImageListEntryFromImageID(active_graphic)->redefined;
 470
 471         /* same as above, but check special graphic definitions, for example:
 472            redefined "font.menu_1.MAIN" invalidates "font.menu_1.active.MAIN" */
 473         if (base_redefined && !active_redefined)
 474         {
 475           font_info[font_nr_active].special_graphic[j] =
 476             font_info[font_nr_base].special_graphic[j];
 477           font_info[font_nr_active].special_bitmap_id[j] =
 478             font_info[font_nr_base].special_bitmap_id[j];
 479         }
 480       }
 481     }
 482   }
 483
 484   /* ---------- initialize font bitmap array ---------- */
 485
 486   if (font_bitmap_info != NULL)
 487     FreeFontInfo(font_bitmap_info);
 488
 489   font_bitmap_info =
 490     checked_calloc(num_font_bitmaps * sizeof(struct FontBitmapInfo));
 491
 492   /* ---------- initialize font bitmap definitions ---------- */
 493
 494   for (i = 0; i < NUM_FONTS; i++)
 495   {
 496     if (i < NUM_INITIAL_FONTS)
 497     {
 498       font_bitmap_info[i] = font_initial[i];
 499       continue;
 500     }
 501
 502     for (j = 0; j < NUM_SPECIAL_GFX_ARGS; j++)
 503     {
 504       int font_bitmap_id = font_info[i].special_bitmap_id[j];
 505       int graphic = font_info[i].special_graphic[j];
 506
 507       /* set 'graphic_info' for font entries, if uninitialized (guessed) */
 508       if (graphic_info[graphic].anim_frames < MIN_NUM_CHARS_PER_FONT)
 509       {
 510         graphic_info[graphic].anim_frames = DEFAULT_NUM_CHARS_PER_FONT;
 511         graphic_info[graphic].anim_frames_per_line = DEFAULT_NUM_CHARS_PER_LINE;
 512       }
 513
 514       /* copy font relevant information from graphics information */
 515       font_bitmap_info[font_bitmap_id].bitmap = graphic_info[graphic].bitmap;
 516       font_bitmap_info[font_bitmap_id].src_x  = graphic_info[graphic].src_x;
 517       font_bitmap_info[font_bitmap_id].src_y  = graphic_info[graphic].src_y;
 518       font_bitmap_info[font_bitmap_id].width  = graphic_info[graphic].width;
 519       font_bitmap_info[font_bitmap_id].height = graphic_info[graphic].height;
 520
 521       font_bitmap_info[font_bitmap_id].draw_xoffset =
 522         graphic_info[graphic].draw_xoffset;
 523       font_bitmap_info[font_bitmap_id].draw_yoffset =
 524         graphic_info[graphic].draw_yoffset;
 525
 526       font_bitmap_info[font_bitmap_id].num_chars =
 527         graphic_info[graphic].anim_frames;
 528       font_bitmap_info[font_bitmap_id].num_chars_per_line =
 529         graphic_info[graphic].anim_frames_per_line;
 530     }
 531   }
 532
 533   InitFontInfo(font_bitmap_info, num_font_bitmaps,
 534                getFontBitmapID, getFontFromToken);
 535 }
 536
 537 void InitGlobalAnimGraphicInfo()
 538 {
 539   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
 540   int num_property_mappings = getImageListPropertyMappingSize();
 541   int i, j, k;
 542
 543   if (graphic_info == NULL)             /* still at startup phase */
 544     return;
 545
 546   /* always start with reliable default values (no global animations) */
 547   for (i = 0; i < NUM_GLOBAL_ANIM_TOKENS; i++)
 548     for (j = 0; j < NUM_GLOBAL_ANIM_PARTS_ALL; j++)
 549       for (k = 0; k < NUM_SPECIAL_GFX_ARGS; k++)
 550         global_anim_info[i].graphic[j][k] = IMG_UNDEFINED;
 551
 552   /* initialize global animation definitions from static configuration */
 553   for (i = 0; i < NUM_GLOBAL_ANIM_TOKENS; i++)
 554   {
 555     int j = GLOBAL_ANIM_ID_PART_BASE;
 556     int k = GFX_SPECIAL_ARG_DEFAULT;
 557
 558     global_anim_info[i].graphic[j][k] = IMG_GLOBAL_ANIM_1_GFX + i;
 559   }
 560
 561   /* initialize global animation definitions from dynamic configuration */
 562   for (i = 0; i < num_property_mappings; i++)
 563   {
 564     int anim_nr = property_mapping[i].base_index - MAX_NUM_ELEMENTS - NUM_FONTS;
 565     int part_nr = property_mapping[i].ext1_index - ACTION_PART_1;
 566     int special = property_mapping[i].ext3_index;
 567     int graphic = property_mapping[i].artwork_index;
 568
 569     if (anim_nr < 0 || anim_nr >= NUM_GLOBAL_ANIM_TOKENS)
 570       continue;
 571
 572     /* set animation part to base part, if not specified */
 573     if (!IS_GLOBAL_ANIM_PART(part_nr))
 574       part_nr = GLOBAL_ANIM_ID_PART_BASE;
 575
 576     /* set animation screen to default, if not specified */
 577     if (!IS_SPECIAL_GFX_ARG(special))
 578       special = GFX_SPECIAL_ARG_DEFAULT;
 579
 580     global_anim_info[anim_nr].graphic[part_nr][special] = graphic;
 581   }
 582
 583 #if 0
 584   printf("::: InitGlobalAnimGraphicInfo\n");
 585
 586   for (i = 0; i < NUM_GLOBAL_ANIMS; i++)
 587     for (j = 0; j < NUM_GLOBAL_ANIM_PARTS_ALL; j++)
 588       for (k = 0; k < NUM_SPECIAL_GFX_ARGS; k++)
 589         if (global_anim_info[i].graphic[j][k] != IMG_UNDEFINED &&
 590             graphic_info[global_anim_info[i].graphic[j][k]].bitmap != NULL)
 591           printf("::: - anim %d, part %d, mode %d => %d\n",
 592                  i, j, k, global_anim_info[i].graphic[j][k]);
 593 #endif
 594 }
 595
 596 void InitElementGraphicInfo()
 597 {
 598   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
 599   int num_property_mappings = getImageListPropertyMappingSize();
 600   int i, act, dir;
 601
 602   if (graphic_info == NULL)             /* still at startup phase */
 603     return;
 604
 605   /* set values to -1 to identify later as "uninitialized" values */
 606   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 607   {
 608     for (act = 0; act < NUM_ACTIONS; act++)
 609     {
 610       element_info[i].graphic[act] = -1;
 611       element_info[i].crumbled[act] = -1;
 612
 613       for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 614       {
 615         element_info[i].direction_graphic[act][dir] = -1;
 616         element_info[i].direction_crumbled[act][dir] = -1;
 617       }
 618     }
 619   }
 620
 621   UPDATE_BUSY_STATE();
 622
 623   /* initialize normal element/graphic mapping from static configuration */
 624   for (i = 0; element_to_graphic[i].element > -1; i++)
 625   {
 626     int element      = element_to_graphic[i].element;
 627     int action       = element_to_graphic[i].action;
 628     int direction    = element_to_graphic[i].direction;
 629     boolean crumbled = element_to_graphic[i].crumbled;
 630     int graphic      = element_to_graphic[i].graphic;
 631     int base_graphic = el2baseimg(element);
 632
 633     if (graphic_info[graphic].bitmap == NULL)
 634       continue;
 635
 636     if ((action > -1 || direction > -1 || crumbled == TRUE) &&
 637         base_graphic != -1)
 638     {
 639       boolean base_redefined =
 640         getImageListEntryFromImageID(base_graphic)->redefined;
 641       boolean act_dir_redefined =
 642         getImageListEntryFromImageID(graphic)->redefined;
 643
 644       /* if the base graphic ("emerald", for example) has been redefined,
 645          but not the action graphic ("emerald.falling", for example), do not
 646          use an existing (in this case considered obsolete) action graphic
 647          anymore, but use the automatically determined default graphic */
 648       if (base_redefined && !act_dir_redefined)
 649         continue;
 650     }
 651
 652     if (action < 0)
 653       action = ACTION_DEFAULT;
 654
 655     if (crumbled)
 656     {
 657       if (direction > -1)
 658         element_info[element].direction_crumbled[action][direction] = graphic;
 659       else
 660         element_info[element].crumbled[action] = graphic;
 661     }
 662     else
 663     {
 664       if (direction > -1)
 665         element_info[element].direction_graphic[action][direction] = graphic;
 666       else
 667         element_info[element].graphic[action] = graphic;
 668     }
 669   }
 670
 671   /* initialize normal element/graphic mapping from dynamic configuration */
 672   for (i = 0; i < num_property_mappings; i++)
 673   {
 674     int element   = property_mapping[i].base_index;
 675     int action    = property_mapping[i].ext1_index;
 676     int direction = property_mapping[i].ext2_index;
 677     int special   = property_mapping[i].ext3_index;
 678     int graphic   = property_mapping[i].artwork_index;
 679     boolean crumbled = FALSE;
 680
 681     if (special == GFX_SPECIAL_ARG_CRUMBLED)
 682     {
 683       special = -1;
 684       crumbled = TRUE;
 685     }
 686
 687     if (graphic_info[graphic].bitmap == NULL)
 688       continue;
 689
 690     if (element >= MAX_NUM_ELEMENTS || special != -1)
 691       continue;
 692
 693     if (action < 0)
 694       action = ACTION_DEFAULT;
 695
 696     if (crumbled)
 697     {
 698       if (direction < 0)
 699         for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 700           element_info[element].direction_crumbled[action][dir] = -1;
 701
 702       if (direction > -1)
 703         element_info[element].direction_crumbled[action][direction] = graphic;
 704       else
 705         element_info[element].crumbled[action] = graphic;
 706     }
 707     else
 708     {
 709       if (direction < 0)
 710         for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 711           element_info[element].direction_graphic[action][dir] = -1;
 712
 713       if (direction > -1)
 714         element_info[element].direction_graphic[action][direction] = graphic;
 715       else
 716         element_info[element].graphic[action] = graphic;
 717     }
 718   }
 719
 720   /* now copy all graphics that are defined to be cloned from other graphics */
 721   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 722   {
 723     int graphic = element_info[i].graphic[ACTION_DEFAULT];
 724     int crumbled_like, diggable_like;
 725
 726     if (graphic == -1)
 727       continue;
 728
 729     crumbled_like = graphic_info[graphic].crumbled_like;
 730     diggable_like = graphic_info[graphic].diggable_like;
 731
 732     if (crumbled_like != -1 && element_info[i].crumbled[ACTION_DEFAULT] == -1)
 733     {
 734       for (act = 0; act < NUM_ACTIONS; act++)
 735         element_info[i].crumbled[act] =
 736           element_info[crumbled_like].crumbled[act];
 737       for (act = 0; act < NUM_ACTIONS; act++)
 738         for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 739           element_info[i].direction_crumbled[act][dir] =
 740             element_info[crumbled_like].direction_crumbled[act][dir];
 741     }
 742
 743     if (diggable_like != -1 && element_info[i].graphic[ACTION_DIGGING] == -1)
 744     {
 745       element_info[i].graphic[ACTION_DIGGING] =
 746         element_info[diggable_like].graphic[ACTION_DIGGING];
 747       for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 748         element_info[i].direction_graphic[ACTION_DIGGING][dir] =
 749           element_info[diggable_like].direction_graphic[ACTION_DIGGING][dir];
 750     }
 751   }
 752
 753   /* set hardcoded definitions for some runtime elements without graphic */
 754   element_info[EL_AMOEBA_TO_DIAMOND].graphic[ACTION_DEFAULT] = IMG_AMOEBA_DEAD;
 755
 756   /* set hardcoded definitions for some internal elements without graphic */
 757   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 758   {
 759     if (IS_EDITOR_CASCADE_INACTIVE(i))
 760       element_info[i].graphic[ACTION_DEFAULT] = IMG_EDITOR_CASCADE_LIST;
 761     else if (IS_EDITOR_CASCADE_ACTIVE(i))
 762       element_info[i].graphic[ACTION_DEFAULT] = IMG_EDITOR_CASCADE_LIST_ACTIVE;
 763   }
 764
 765   /* now set all undefined/invalid graphics to -1 to set to default after it */
 766   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 767   {
 768     for (act = 0; act < NUM_ACTIONS; act++)
 769     {
 770       int graphic;
 771
 772       graphic = element_info[i].graphic[act];
 773       if (graphic > 0 && graphic_info[graphic].bitmap == NULL)
 774         element_info[i].graphic[act] = -1;
 775
 776       graphic = element_info[i].crumbled[act];
 777       if (graphic > 0 && graphic_info[graphic].bitmap == NULL)
 778         element_info[i].crumbled[act] = -1;
 779
 780       for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 781       {
 782         graphic = element_info[i].direction_graphic[act][dir];
 783         if (graphic > 0 && graphic_info[graphic].bitmap == NULL)
 784           element_info[i].direction_graphic[act][dir] = -1;
 785
 786         graphic = element_info[i].direction_crumbled[act][dir];
 787         if (graphic > 0 && graphic_info[graphic].bitmap == NULL)
 788           element_info[i].direction_crumbled[act][dir] = -1;
 789       }
 790     }
 791   }
 792
 793   UPDATE_BUSY_STATE();
 794
 795   /* adjust graphics with 2nd tile for movement according to direction
 796      (do this before correcting '-1' values to minimize calculations) */
 797   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 798   {
 799     for (act = 0; act < NUM_ACTIONS; act++)
 800     {
 801       for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 802       {
 803         int graphic = element_info[i].direction_graphic[act][dir];
 804         int move_dir = (act == ACTION_FALLING ? MV_BIT_DOWN : dir);
 805
 806         if (act == ACTION_FALLING)      /* special case */
 807           graphic = element_info[i].graphic[act];
 808
 809         if (graphic != -1 &&
 810             graphic_info[graphic].double_movement &&
 811             graphic_info[graphic].swap_double_tiles != 0)
 812         {
 813           struct GraphicInfo *g = &graphic_info[graphic];
 814           int src_x_front = g->src_x;
 815           int src_y_front = g->src_y;
 816           int src_x_back = g->src_x + g->offset2_x;
 817           int src_y_back = g->src_y + g->offset2_y;
 818           boolean frames_are_ordered_diagonally = (g->offset_x != 0 &&
 819                                                    g->offset_y != 0);
 820           boolean front_is_left_or_upper = (src_x_front < src_x_back ||
 821                                             src_y_front < src_y_back);
 822           boolean swap_movement_tiles_always = (g->swap_double_tiles == 1);
 823           boolean swap_movement_tiles_autodetected =
 824             (!frames_are_ordered_diagonally &&
 825              ((move_dir == MV_BIT_LEFT  && !front_is_left_or_upper) ||
 826               (move_dir == MV_BIT_UP    && !front_is_left_or_upper) ||
 827               (move_dir == MV_BIT_RIGHT &&  front_is_left_or_upper) ||
 828               (move_dir == MV_BIT_DOWN  &&  front_is_left_or_upper)));
 829           Bitmap *dummy;
 830
 831           /* swap frontside and backside graphic tile coordinates, if needed */
 832           if (swap_movement_tiles_always || swap_movement_tiles_autodetected)
 833           {
 834             /* get current (wrong) backside tile coordinates */
 835             getFixedGraphicSourceExt(graphic, 0, &dummy,
 836                                      &src_x_back, &src_y_back, TRUE);
 837
 838             /* set frontside tile coordinates to backside tile coordinates */
 839             g->src_x = src_x_back;
 840             g->src_y = src_y_back;
 841
 842             /* invert tile offset to point to new backside tile coordinates */
 843             g->offset2_x *= -1;
 844             g->offset2_y *= -1;
 845
 846             /* do not swap front and backside tiles again after correction */
 847             g->swap_double_tiles = 0;
 848           }
 849         }
 850       }
 851     }
 852   }
 853
 854   UPDATE_BUSY_STATE();
 855
 856   /* now set all '-1' values to element specific default values */
 857   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 858   {
 859     int default_graphic = element_info[i].graphic[ACTION_DEFAULT];
 860     int default_crumbled = element_info[i].crumbled[ACTION_DEFAULT];
 861     int default_direction_graphic[NUM_DIRECTIONS_FULL];
 862     int default_direction_crumbled[NUM_DIRECTIONS_FULL];
 863
 864     if (default_graphic == -1)
 865       default_graphic = IMG_UNKNOWN;
 866
 867     if (default_crumbled == -1)
 868       default_crumbled = default_graphic;
 869
 870     for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 871     {
 872       default_direction_graphic[dir] =
 873         element_info[i].direction_graphic[ACTION_DEFAULT][dir];
 874       default_direction_crumbled[dir] =
 875         element_info[i].direction_crumbled[ACTION_DEFAULT][dir];
 876
 877       if (default_direction_graphic[dir] == -1)
 878         default_direction_graphic[dir] = default_graphic;
 879
 880       if (default_direction_crumbled[dir] == -1)
 881         default_direction_crumbled[dir] = default_direction_graphic[dir];
 882     }
 883
 884     for (act = 0; act < NUM_ACTIONS; act++)
 885     {
 886       boolean act_remove = ((IS_DIGGABLE(i)    && act == ACTION_DIGGING)  ||
 887                             (IS_SNAPPABLE(i)   && act == ACTION_SNAPPING) ||
 888                             (IS_COLLECTIBLE(i) && act == ACTION_COLLECTING));
 889       boolean act_turning = (act == ACTION_TURNING_FROM_LEFT ||
 890                              act == ACTION_TURNING_FROM_RIGHT ||
 891                              act == ACTION_TURNING_FROM_UP ||
 892                              act == ACTION_TURNING_FROM_DOWN);
 893
 894       /* generic default action graphic (defined by "[default]" directive) */
 895       int default_action_graphic = element_info[EL_DEFAULT].graphic[act];
 896       int default_action_crumbled = element_info[EL_DEFAULT].crumbled[act];
 897       int default_remove_graphic = IMG_EMPTY;
 898
 899       if (act_remove && default_action_graphic != -1)
 900         default_remove_graphic = default_action_graphic;
 901
 902       /* look for special default action graphic (classic game specific) */
 903       if (IS_BD_ELEMENT(i) && element_info[EL_BD_DEFAULT].graphic[act] != -1)
 904         default_action_graphic = element_info[EL_BD_DEFAULT].graphic[act];
 905       if (IS_SP_ELEMENT(i) && element_info[EL_SP_DEFAULT].graphic[act] != -1)
 906         default_action_graphic = element_info[EL_SP_DEFAULT].graphic[act];
 907       if (IS_SB_ELEMENT(i) && element_info[EL_SB_DEFAULT].graphic[act] != -1)
 908         default_action_graphic = element_info[EL_SB_DEFAULT].graphic[act];
 909
 910       if (IS_BD_ELEMENT(i) && element_info[EL_BD_DEFAULT].crumbled[act] != -1)
 911         default_action_crumbled = element_info[EL_BD_DEFAULT].crumbled[act];
 912       if (IS_SP_ELEMENT(i) && element_info[EL_SP_DEFAULT].crumbled[act] != -1)
 913         default_action_crumbled = element_info[EL_SP_DEFAULT].crumbled[act];
 914       if (IS_SB_ELEMENT(i) && element_info[EL_SB_DEFAULT].crumbled[act] != -1)
 915         default_action_crumbled = element_info[EL_SB_DEFAULT].crumbled[act];
 916
 917       /* !!! needed because EL_EMPTY_SPACE treated as IS_SP_ELEMENT !!! */
 918       /* !!! make this better !!! */
 919       if (i == EL_EMPTY_SPACE)
 920       {
 921         default_action_graphic = element_info[EL_DEFAULT].graphic[act];
 922         default_action_crumbled = element_info[EL_DEFAULT].crumbled[act];
 923       }
 924
 925       if (default_action_graphic == -1)
 926         default_action_graphic = default_graphic;
 927
 928       if (default_action_crumbled == -1)
 929         default_action_crumbled = default_action_graphic;
 930
 931       for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 932       {
 933         /* use action graphic as the default direction graphic, if undefined */
 934         int default_action_direction_graphic = element_info[i].graphic[act];
 935         int default_action_direction_crumbled = element_info[i].crumbled[act];
 936
 937         /* no graphic for current action -- use default direction graphic */
 938         if (default_action_direction_graphic == -1)
 939           default_action_direction_graphic =
 940             (act_remove ? default_remove_graphic :
 941              act_turning ?
 942              element_info[i].direction_graphic[ACTION_TURNING][dir] :
 943              default_action_graphic != default_graphic ?
 944              default_action_graphic :
 945              default_direction_graphic[dir]);
 946
 947         if (element_info[i].direction_graphic[act][dir] == -1)
 948           element_info[i].direction_graphic[act][dir] =
 949             default_action_direction_graphic;
 950
 951         if (default_action_direction_crumbled == -1)
 952           default_action_direction_crumbled =
 953             element_info[i].direction_graphic[act][dir];
 954
 955         if (element_info[i].direction_crumbled[act][dir] == -1)
 956           element_info[i].direction_crumbled[act][dir] =
 957             default_action_direction_crumbled;
 958       }
 959
 960       /* no graphic for this specific action -- use default action graphic */
 961       if (element_info[i].graphic[act] == -1)
 962         element_info[i].graphic[act] =
 963           (act_remove ? default_remove_graphic :
 964            act_turning ? element_info[i].graphic[ACTION_TURNING] :
 965            default_action_graphic);
 966
 967       if (element_info[i].crumbled[act] == -1)
 968         element_info[i].crumbled[act] = element_info[i].graphic[act];
 969     }
 970   }
 971
 972   UPDATE_BUSY_STATE();
 973 }
 974
 975 void InitElementSpecialGraphicInfo()
 976 {
 977   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
 978   int num_property_mappings = getImageListPropertyMappingSize();
 979   int i, j;
 980
 981   /* always start with reliable default values */
 982   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 983     for (j = 0; j < NUM_SPECIAL_GFX_ARGS; j++)
 984       element_info[i].special_graphic[j] =
 985         element_info[i].graphic[ACTION_DEFAULT];
 986
 987   /* initialize special element/graphic mapping from static configuration */
 988   for (i = 0; element_to_special_graphic[i].element > -1; i++)
 989   {
 990     int element = element_to_special_graphic[i].element;
 991     int special = element_to_special_graphic[i].special;
 992     int graphic = element_to_special_graphic[i].graphic;
 993     int base_graphic = el2baseimg(element);
 994     boolean base_redefined =
 995       getImageListEntryFromImageID(base_graphic)->redefined;
 996     boolean special_redefined =
 997       getImageListEntryFromImageID(graphic)->redefined;
 998
 999     /* if the base graphic ("emerald", for example) has been redefined,
1000        but not the special graphic ("emerald.EDITOR", for example), do not
1001        use an existing (in this case considered obsolete) special graphic
1002        anymore, but use the automatically created (down-scaled) graphic */
1003     if (base_redefined && !special_redefined)
1004       continue;
1005
1006     element_info[element].special_graphic[special] = graphic;
1007   }
1008
1009   /* initialize special element/graphic mapping from dynamic configuration */
1010   for (i = 0; i < num_property_mappings; i++)
1011   {
1012     int element   = property_mapping[i].base_index;
1013     int action    = property_mapping[i].ext1_index;
1014     int direction = property_mapping[i].ext2_index;
1015     int special   = property_mapping[i].ext3_index;
1016     int graphic   = property_mapping[i].artwork_index;
1017
1018     /* for action ".active", replace element with active element, if exists */
1019     if (action == ACTION_ACTIVE && element != ELEMENT_ACTIVE(element))
1020     {
1021       element = ELEMENT_ACTIVE(element);
1022       action = -1;
1023     }
1024
1025     if (element >= MAX_NUM_ELEMENTS)
1026       continue;
1027
1028     /* do not change special graphic if action or direction was specified */
1029     if (action != -1 || direction != -1)
1030       continue;
1031
1032     if (IS_SPECIAL_GFX_ARG(special))
1033       element_info[element].special_graphic[special] = graphic;
1034   }
1035
1036   /* now set all undefined/invalid graphics to default */
1037   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
1038     for (j = 0; j < NUM_SPECIAL_GFX_ARGS; j++)
1039       if (graphic_info[element_info[i].special_graphic[j]].bitmap == NULL)
1040         element_info[i].special_graphic[j] =
1041           element_info[i].graphic[ACTION_DEFAULT];
1042 }
1043
1044 static int get_graphic_parameter_value(char *value_raw, char *suffix, int type)
1045 {
1046   if (type != TYPE_ELEMENT && type != TYPE_GRAPHIC)
1047     return get_parameter_value(value_raw, suffix, type);
1048
1049   if (strEqual(value_raw, ARG_UNDEFINED))
1050     return ARG_UNDEFINED_VALUE;
1051
1052   if (type == TYPE_ELEMENT)
1053   {
1054     char *value = getHashEntry(element_token_hash, value_raw);
1055
1056     if (value == NULL)
1057     {
1058       Error(ERR_INFO_LINE, "-");
1059       Error(ERR_INFO, "warning: error found in config file:");
1060       Error(ERR_INFO, "- config file: '%s'", getImageConfigFilename());
1061       Error(ERR_INFO, "error: invalid element token '%s'", value_raw);
1062       Error(ERR_INFO, "custom graphic rejected for this element/action");
1063       Error(ERR_INFO, "fallback done to undefined element for this graphic");
1064       Error(ERR_INFO_LINE, "-");
1065     }
1066
1067     return (value != NULL ? atoi(value) : EL_UNDEFINED);
1068   }
1069   else if (type == TYPE_GRAPHIC)
1070   {
1071     char *value = getHashEntry(graphic_token_hash, value_raw);
1072     int fallback_graphic = IMG_CHAR_EXCLAM;
1073
1074     if (value == NULL)
1075     {
1076       Error(ERR_INFO_LINE, "-");
1077       Error(ERR_INFO, "warning: error found in config file:");
1078       Error(ERR_INFO, "- config file: '%s'", getImageConfigFilename());
1079       Error(ERR_INFO, "error: invalid graphic token '%s'", value_raw);
1080       Error(ERR_INFO, "custom graphic rejected for this element/action");
1081       Error(ERR_INFO, "fallback done to 'char_exclam' for this graphic");
1082       Error(ERR_INFO_LINE, "-");
1083     }
1084
1085     return (value != NULL ? atoi(value) : fallback_graphic);
1086   }
1087
1088   return -1;
1089 }
1090
1091 static int get_scaled_graphic_width(int graphic)
1092 {
1093   int original_width = getOriginalImageWidthFromImageID(graphic);
1094   int scale_up_factor = graphic_info[graphic].scale_up_factor;
1095
1096   return original_width * scale_up_factor;
1097 }
1098
1099 static int get_scaled_graphic_height(int graphic)
1100 {
1101   int original_height = getOriginalImageHeightFromImageID(graphic);
1102   int scale_up_factor = graphic_info[graphic].scale_up_factor;
1103
1104   return original_height * scale_up_factor;
1105 }
1106
1107 static void set_graphic_parameters_ext(int graphic, int *parameter,
1108                                        Bitmap **src_bitmaps)
1109 {
1110   struct GraphicInfo *g = &graphic_info[graphic];
1111   Bitmap *src_bitmap = (src_bitmaps ? src_bitmaps[IMG_BITMAP_STANDARD] : NULL);
1112   int anim_frames_per_row = 1, anim_frames_per_col = 1;
1113   int anim_frames_per_line = 1;
1114
1115   /* always start with reliable default values */
1116   g->src_image_width = 0;
1117   g->src_image_height = 0;
1118   g->src_x = 0;
1119   g->src_y = 0;
1120   g->width  = TILEX;                    /* default for element graphics */
1121   g->height = TILEY;                    /* default for element graphics */
1122   g->offset_x = 0;                      /* one or both of these values ... */
1123   g->offset_y = 0;                      /* ... will be corrected later */
1124   g->offset2_x = 0;                     /* one or both of these values ... */
1125   g->offset2_y = 0;                     /* ... will be corrected later */
1126   g->swap_double_tiles = -1;            /* auto-detect tile swapping */
1127   g->crumbled_like = -1;                /* do not use clone element */
1128   g->diggable_like = -1;                /* do not use clone element */
1129   g->border_size = TILEX / 8;           /* "CRUMBLED" border size */
1130   g->scale_up_factor = 1;               /* default: no scaling up */
1131   g->tile_size = TILESIZE;              /* default: standard tile size */
1132   g->clone_from = -1;                   /* do not use clone graphic */
1133   g->init_delay_fixed = 0;
1134   g->init_delay_random = 0;
1135   g->anim_delay_fixed = 0;
1136   g->anim_delay_random = 0;
1137   g->post_delay_fixed = 0;
1138   g->post_delay_random = 0;
1139   g->fade_mode = FADE_MODE_DEFAULT;
1140   g->fade_delay = -1;
1141   g->post_delay = -1;
1142   g->auto_delay = -1;
1143   g->align = ALIGN_CENTER;              /* default for title screens */
1144   g->valign = VALIGN_MIDDLE;            /* default for title screens */
1145   g->sort_priority = 0;                 /* default for title screens */
1146   g->class = 0;
1147   g->style = STYLE_DEFAULT;
1148
1149   g->bitmaps = src_bitmaps;
1150   g->bitmap = src_bitmap;
1151
1152   /* optional zoom factor for scaling up the image to a larger size */
1153   if (parameter[GFX_ARG_SCALE_UP_FACTOR] != ARG_UNDEFINED_VALUE)
1154     g->scale_up_factor = parameter[GFX_ARG_SCALE_UP_FACTOR];
1155   if (g->scale_up_factor < 1)
1156     g->scale_up_factor = 1;             /* no scaling */
1157
1158   /* optional tile size for using non-standard image size */
1159   if (parameter[GFX_ARG_TILE_SIZE] != ARG_UNDEFINED_VALUE)
1160   {
1161     g->tile_size = parameter[GFX_ARG_TILE_SIZE];
1162
1163 #if 0
1164     // CHECK: should tile sizes less than standard tile size be allowed?
1165     if (g->tile_size < TILESIZE)
1166       g->tile_size = TILESIZE;          /* standard tile size */
1167 #endif
1168
1169     // when setting tile size, also set width and height accordingly
1170     g->width  = g->tile_size;
1171     g->height = g->tile_size;
1172   }
1173
1174   if (g->use_image_size)
1175   {
1176     /* set new default bitmap size (with scaling, but without small images) */
1177     g->width  = get_scaled_graphic_width(graphic);
1178     g->height = get_scaled_graphic_height(graphic);
1179   }
1180
1181   /* optional width and height of each animation frame */
1182   if (parameter[GFX_ARG_WIDTH] != ARG_UNDEFINED_VALUE)
1183     g->width = parameter[GFX_ARG_WIDTH];
1184   if (parameter[GFX_ARG_HEIGHT] != ARG_UNDEFINED_VALUE)
1185     g->height = parameter[GFX_ARG_HEIGHT];
1186
1187   /* optional x and y tile position of animation frame sequence */
1188   if (parameter[GFX_ARG_XPOS] != ARG_UNDEFINED_VALUE)
1189     g->src_x = parameter[GFX_ARG_XPOS] * g->width;
1190   if (parameter[GFX_ARG_YPOS] != ARG_UNDEFINED_VALUE)
1191     g->src_y = parameter[GFX_ARG_YPOS] * g->height;
1192
1193   /* optional x and y pixel position of animation frame sequence */
1194   if (parameter[GFX_ARG_X] != ARG_UNDEFINED_VALUE)
1195     g->src_x = parameter[GFX_ARG_X];
1196   if (parameter[GFX_ARG_Y] != ARG_UNDEFINED_VALUE)
1197     g->src_y = parameter[GFX_ARG_Y];
1198
1199   if (src_bitmap)
1200   {
1201     if (g->width <= 0)
1202     {
1203       Error(ERR_INFO_LINE, "-");
1204       Error(ERR_WARN, "invalid value %d for '%s.width' (fallback done to %d)",
1205             g->width, getTokenFromImageID(graphic), TILEX);
1206       Error(ERR_INFO_LINE, "-");
1207
1208       g->width = TILEX;         /* will be checked to be inside bitmap later */
1209     }
1210
1211     if (g->height <= 0)
1212     {
1213       Error(ERR_INFO_LINE, "-");
1214       Error(ERR_WARN, "invalid value %d for '%s.height' (fallback done to %d)",
1215             g->height, getTokenFromImageID(graphic), TILEY);
1216       Error(ERR_INFO_LINE, "-");
1217
1218       g->height = TILEY;        /* will be checked to be inside bitmap later */
1219     }
1220   }
1221
1222   if (src_bitmap)
1223   {
1224     /* get final bitmap size (with scaling, but without small images) */
1225     int src_image_width  = get_scaled_graphic_width(graphic);
1226     int src_image_height = get_scaled_graphic_height(graphic);
1227
1228     if (src_image_width == 0 || src_image_height == 0)
1229     {
1230       /* only happens when loaded outside artwork system (like "global.busy") */
1231       src_image_width  = src_bitmap->width;
1232       src_image_height = src_bitmap->height;
1233     }
1234
1235     if (parameter[GFX_ARG_TILE_SIZE] != ARG_UNDEFINED_VALUE)
1236     {
1237       anim_frames_per_row = src_image_width  / g->tile_size;
1238       anim_frames_per_col = src_image_height / g->tile_size;
1239     }
1240     else
1241     {
1242       anim_frames_per_row = src_image_width  / g->width;
1243       anim_frames_per_col = src_image_height / g->height;
1244     }
1245
1246     g->src_image_width  = src_image_width;
1247     g->src_image_height = src_image_height;
1248   }
1249
1250   /* correct x or y offset dependent of vertical or horizontal frame order */
1251   if (parameter[GFX_ARG_VERTICAL])      /* frames are ordered vertically */
1252   {
1253     g->offset_y = (parameter[GFX_ARG_OFFSET] != ARG_UNDEFINED_VALUE ?
1254                    parameter[GFX_ARG_OFFSET] : g->height);
1255     anim_frames_per_line = anim_frames_per_col;
1256   }
1257   else                                  /* frames are ordered horizontally */
1258   {
1259     g->offset_x = (parameter[GFX_ARG_OFFSET] != ARG_UNDEFINED_VALUE ?
1260                    parameter[GFX_ARG_OFFSET] : g->width);
1261     anim_frames_per_line = anim_frames_per_row;
1262   }
1263
1264   /* optionally, the x and y offset of frames can be specified directly */
1265   if (parameter[GFX_ARG_XOFFSET] != ARG_UNDEFINED_VALUE)
1266     g->offset_x = parameter[GFX_ARG_XOFFSET];
1267   if (parameter[GFX_ARG_YOFFSET] != ARG_UNDEFINED_VALUE)
1268     g->offset_y = parameter[GFX_ARG_YOFFSET];
1269
1270   /* optionally, moving animations may have separate start and end graphics */
1271   g->double_movement = parameter[GFX_ARG_2ND_MOVEMENT_TILE];
1272
1273   if (parameter[GFX_ARG_2ND_VERTICAL] == ARG_UNDEFINED_VALUE)
1274     parameter[GFX_ARG_2ND_VERTICAL] = !parameter[GFX_ARG_VERTICAL];
1275
1276   /* correct x or y offset2 dependent of vertical or horizontal frame order */
1277   if (parameter[GFX_ARG_2ND_VERTICAL])  /* frames are ordered vertically */
1278     g->offset2_y = (parameter[GFX_ARG_2ND_OFFSET] != ARG_UNDEFINED_VALUE ?
1279                     parameter[GFX_ARG_2ND_OFFSET] : g->height);
1280   else                                  /* frames are ordered horizontally */
1281     g->offset2_x = (parameter[GFX_ARG_2ND_OFFSET] != ARG_UNDEFINED_VALUE ?
1282                     parameter[GFX_ARG_2ND_OFFSET] : g->width);
1283
1284   /* optionally, the x and y offset of 2nd graphic can be specified directly */
1285   if (parameter[GFX_ARG_2ND_XOFFSET] != ARG_UNDEFINED_VALUE)
1286     g->offset2_x = parameter[GFX_ARG_2ND_XOFFSET];
1287   if (parameter[GFX_ARG_2ND_YOFFSET] != ARG_UNDEFINED_VALUE)
1288     g->offset2_y = parameter[GFX_ARG_2ND_YOFFSET];
1289
1290   /* optionally, the second movement tile can be specified as start tile */
1291   if (parameter[GFX_ARG_2ND_SWAP_TILES] != ARG_UNDEFINED_VALUE)
1292     g->swap_double_tiles= parameter[GFX_ARG_2ND_SWAP_TILES];
1293
1294   /* automatically determine correct number of frames, if not defined */
1295   if (parameter[GFX_ARG_FRAMES] != ARG_UNDEFINED_VALUE)
1296     g->anim_frames = parameter[GFX_ARG_FRAMES];
1297   else if (parameter[GFX_ARG_XPOS] == 0 && !parameter[GFX_ARG_VERTICAL])
1298     g->anim_frames = anim_frames_per_row;
1299   else if (parameter[GFX_ARG_YPOS] == 0 && parameter[GFX_ARG_VERTICAL])
1300     g->anim_frames = anim_frames_per_col;
1301   else
1302     g->anim_frames = 1;
1303
1304   if (g->anim_frames == 0)              /* frames must be at least 1 */
1305     g->anim_frames = 1;
1306
1307   g->anim_frames_per_line =
1308     (parameter[GFX_ARG_FRAMES_PER_LINE] != ARG_UNDEFINED_VALUE ?
1309      parameter[GFX_ARG_FRAMES_PER_LINE] : anim_frames_per_line);
1310
1311   g->anim_delay = parameter[GFX_ARG_DELAY];
1312   if (g->anim_delay == 0)               /* delay must be at least 1 */
1313     g->anim_delay = 1;
1314
1315   g->anim_mode = parameter[GFX_ARG_ANIM_MODE];
1316
1317   /* automatically determine correct start frame, if not defined */
1318   if (parameter[GFX_ARG_START_FRAME] == ARG_UNDEFINED_VALUE)
1319     g->anim_start_frame = 0;
1320   else if (g->anim_mode & ANIM_REVERSE)
1321     g->anim_start_frame = g->anim_frames - parameter[GFX_ARG_START_FRAME] - 1;
1322   else
1323     g->anim_start_frame = parameter[GFX_ARG_START_FRAME];
1324
1325   /* animation synchronized with global frame counter, not move position */
1326   g->anim_global_sync = parameter[GFX_ARG_GLOBAL_SYNC];
1327
1328   /* optional element for cloning crumble graphics */
1329   if (parameter[GFX_ARG_CRUMBLED_LIKE] != ARG_UNDEFINED_VALUE)
1330     g->crumbled_like = parameter[GFX_ARG_CRUMBLED_LIKE];
1331
1332   /* optional element for cloning digging graphics */
1333   if (parameter[GFX_ARG_DIGGABLE_LIKE] != ARG_UNDEFINED_VALUE)
1334     g->diggable_like = parameter[GFX_ARG_DIGGABLE_LIKE];
1335
1336   /* optional border size for "crumbling" diggable graphics */
1337   if (parameter[GFX_ARG_BORDER_SIZE] != ARG_UNDEFINED_VALUE)
1338     g->border_size = parameter[GFX_ARG_BORDER_SIZE];
1339
1340   /* used for global animations and player "boring" and "sleeping" actions */
1341   if (parameter[GFX_ARG_INIT_DELAY_FIXED] != ARG_UNDEFINED_VALUE)
1342     g->init_delay_fixed = parameter[GFX_ARG_INIT_DELAY_FIXED];
1343   if (parameter[GFX_ARG_INIT_DELAY_RANDOM] != ARG_UNDEFINED_VALUE)
1344     g->init_delay_random = parameter[GFX_ARG_INIT_DELAY_RANDOM];
1345   if (parameter[GFX_ARG_ANIM_DELAY_FIXED] != ARG_UNDEFINED_VALUE)
1346     g->anim_delay_fixed = parameter[GFX_ARG_ANIM_DELAY_FIXED];
1347   if (parameter[GFX_ARG_ANIM_DELAY_RANDOM] != ARG_UNDEFINED_VALUE)
1348     g->anim_delay_random = parameter[GFX_ARG_ANIM_DELAY_RANDOM];
1349   if (parameter[GFX_ARG_POST_DELAY_FIXED] != ARG_UNDEFINED_VALUE)
1350     g->post_delay_fixed = parameter[GFX_ARG_POST_DELAY_FIXED];
1351   if (parameter[GFX_ARG_POST_DELAY_RANDOM] != ARG_UNDEFINED_VALUE)
1352     g->post_delay_random = parameter[GFX_ARG_POST_DELAY_RANDOM];
1353
1354   /* used for toon animations and global animations */
1355   g->step_offset  = parameter[GFX_ARG_STEP_OFFSET];
1356   g->step_xoffset = parameter[GFX_ARG_STEP_XOFFSET];
1357   g->step_yoffset = parameter[GFX_ARG_STEP_YOFFSET];
1358   g->step_delay   = parameter[GFX_ARG_STEP_DELAY];
1359   g->direction    = parameter[GFX_ARG_DIRECTION];
1360   g->position     = parameter[GFX_ARG_POSITION];
1361   g->x            = parameter[GFX_ARG_X];       // (may be uninitialized,
1362   g->y            = parameter[GFX_ARG_Y];       // unlike src_x and src_y)
1363
1364   /* this is only used for drawing font characters */
1365   g->draw_xoffset = parameter[GFX_ARG_DRAW_XOFFSET];
1366   g->draw_yoffset = parameter[GFX_ARG_DRAW_YOFFSET];
1367
1368   /* this is only used for drawing envelope graphics */
1369   g->draw_masked = parameter[GFX_ARG_DRAW_MASKED];
1370
1371   /* used for toon animations and global animations */
1372   g->draw_order = parameter[GFX_ARG_DRAW_ORDER];
1373
1374   /* optional graphic for cloning all graphics settings */
1375   if (parameter[GFX_ARG_CLONE_FROM] != ARG_UNDEFINED_VALUE)
1376     g->clone_from = parameter[GFX_ARG_CLONE_FROM];
1377
1378   /* optional settings for drawing title screens and title messages */
1379   if (parameter[GFX_ARG_FADE_MODE] != ARG_UNDEFINED_VALUE)
1380     g->fade_mode = parameter[GFX_ARG_FADE_MODE];
1381   if (parameter[GFX_ARG_FADE_DELAY] != ARG_UNDEFINED_VALUE)
1382     g->fade_delay = parameter[GFX_ARG_FADE_DELAY];
1383   if (parameter[GFX_ARG_POST_DELAY] != ARG_UNDEFINED_VALUE)
1384     g->post_delay = parameter[GFX_ARG_POST_DELAY];
1385   if (parameter[GFX_ARG_AUTO_DELAY] != ARG_UNDEFINED_VALUE)
1386     g->auto_delay = parameter[GFX_ARG_AUTO_DELAY];
1387   if (parameter[GFX_ARG_ALIGN] != ARG_UNDEFINED_VALUE)
1388     g->align = parameter[GFX_ARG_ALIGN];
1389   if (parameter[GFX_ARG_VALIGN] != ARG_UNDEFINED_VALUE)
1390     g->valign = parameter[GFX_ARG_VALIGN];
1391   if (parameter[GFX_ARG_SORT_PRIORITY] != ARG_UNDEFINED_VALUE)
1392     g->sort_priority = parameter[GFX_ARG_SORT_PRIORITY];
1393
1394   if (parameter[GFX_ARG_CLASS] != ARG_UNDEFINED_VALUE)
1395     g->class = parameter[GFX_ARG_CLASS];
1396   if (parameter[GFX_ARG_STYLE] != ARG_UNDEFINED_VALUE)
1397     g->style = parameter[GFX_ARG_STYLE];
1398
1399   /* this is only used for drawing menu buttons and text */
1400   g->active_xoffset = parameter[GFX_ARG_ACTIVE_XOFFSET];
1401   g->active_yoffset = parameter[GFX_ARG_ACTIVE_YOFFSET];
1402   g->pressed_xoffset = parameter[GFX_ARG_PRESSED_XOFFSET];
1403   g->pressed_yoffset = parameter[GFX_ARG_PRESSED_YOFFSET];
1404 }
1405
1406 static void set_graphic_parameters(int graphic)
1407 {
1408   struct FileInfo *image = getImageListEntryFromImageID(graphic);
1409   char **parameter_raw = image->parameter;
1410   Bitmap **src_bitmaps = getBitmapsFromImageID(graphic);
1411   int parameter[NUM_GFX_ARGS];
1412   int i;
1413
1414   /* if fallback to default artwork is done, also use the default parameters */
1415   if (image->fallback_to_default)
1416     parameter_raw = image->default_parameter;
1417
1418   /* get integer values from string parameters */
1419   for (i = 0; i < NUM_GFX_ARGS; i++)
1420     parameter[i] = get_graphic_parameter_value(parameter_raw[i],
1421                                                image_config_suffix[i].token,
1422                                                image_config_suffix[i].type);
1423
1424   set_graphic_parameters_ext(graphic, parameter, src_bitmaps);
1425
1426   UPDATE_BUSY_STATE();
1427 }
1428
1429 static void set_cloned_graphic_parameters(int graphic)
1430 {
1431   int fallback_graphic = IMG_CHAR_EXCLAM;
1432   int max_num_images = getImageListSize();
1433   int clone_graphic = graphic_info[graphic].clone_from;
1434   int num_references_followed = 1;
1435
1436   while (graphic_info[clone_graphic].clone_from != -1 &&
1437          num_references_followed < max_num_images)
1438   {
1439     clone_graphic = graphic_info[clone_graphic].clone_from;
1440
1441     num_references_followed++;
1442   }
1443
1444   if (num_references_followed >= max_num_images)
1445   {
1446     Error(ERR_INFO_LINE, "-");
1447     Error(ERR_INFO, "warning: error found in config file:");
1448     Error(ERR_INFO, "- config file: '%s'", getImageConfigFilename());
1449     Error(ERR_INFO, "- config token: '%s'", getTokenFromImageID(graphic));
1450     Error(ERR_INFO, "error: loop discovered when resolving cloned graphics");
1451     Error(ERR_INFO, "custom graphic rejected for this element/action");
1452
1453     if (graphic == fallback_graphic)
1454       Error(ERR_EXIT, "no fallback graphic available");
1455
1456     Error(ERR_INFO, "fallback done to 'char_exclam' for this graphic");
1457     Error(ERR_INFO_LINE, "-");
1458
1459     graphic_info[graphic] = graphic_info[fallback_graphic];
1460   }
1461   else
1462   {
1463     graphic_info[graphic] = graphic_info[clone_graphic];
1464     graphic_info[graphic].clone_from = clone_graphic;
1465   }
1466 }
1467
1468 static void InitGraphicInfo()
1469 {
1470   int fallback_graphic = IMG_CHAR_EXCLAM;
1471   int num_images = getImageListSize();
1472   int i;
1473
1474   /* use image size as default values for width and height for these images */
1475   static int full_size_graphics[] =
1476   {
1477     IMG_GLOBAL_BORDER,
1478     IMG_GLOBAL_BORDER_MAIN,
1479     IMG_GLOBAL_BORDER_SCORES,
1480     IMG_GLOBAL_BORDER_EDITOR,
1481     IMG_GLOBAL_BORDER_PLAYING,
1482     IMG_GLOBAL_DOOR,
1483
1484     IMG_BACKGROUND_ENVELOPE_1,
1485     IMG_BACKGROUND_ENVELOPE_2,
1486     IMG_BACKGROUND_ENVELOPE_3,
1487     IMG_BACKGROUND_ENVELOPE_4,
1488     IMG_BACKGROUND_REQUEST,
1489
1490     IMG_BACKGROUND,
1491     IMG_BACKGROUND_TITLE_INITIAL,
1492     IMG_BACKGROUND_TITLE,
1493     IMG_BACKGROUND_MAIN,
1494     IMG_BACKGROUND_LEVELS,
1495     IMG_BACKGROUND_LEVELNR,
1496     IMG_BACKGROUND_SCORES,
1497     IMG_BACKGROUND_EDITOR,
1498     IMG_BACKGROUND_INFO,
1499     IMG_BACKGROUND_INFO_ELEMENTS,
1500     IMG_BACKGROUND_INFO_MUSIC,
1501     IMG_BACKGROUND_INFO_CREDITS,
1502     IMG_BACKGROUND_INFO_PROGRAM,
1503     IMG_BACKGROUND_INFO_VERSION,
1504     IMG_BACKGROUND_INFO_LEVELSET,
1505     IMG_BACKGROUND_SETUP,
1506     IMG_BACKGROUND_PLAYING,
1507     IMG_BACKGROUND_DOOR,
1508     IMG_BACKGROUND_TAPE,
1509     IMG_BACKGROUND_PANEL,
1510     IMG_BACKGROUND_PALETTE,
1511     IMG_BACKGROUND_TOOLBOX,
1512
1513     IMG_TITLESCREEN_INITIAL_1,
1514     IMG_TITLESCREEN_INITIAL_2,
1515     IMG_TITLESCREEN_INITIAL_3,
1516     IMG_TITLESCREEN_INITIAL_4,
1517     IMG_TITLESCREEN_INITIAL_5,
1518     IMG_TITLESCREEN_1,
1519     IMG_TITLESCREEN_2,
1520     IMG_TITLESCREEN_3,
1521     IMG_TITLESCREEN_4,
1522     IMG_TITLESCREEN_5,
1523
1524     IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1,
1525     IMG_BACKGROUND_TITLEMESSAGE_INITIAL_2,
1526     IMG_BACKGROUND_TITLEMESSAGE_INITIAL_3,
1527     IMG_BACKGROUND_TITLEMESSAGE_INITIAL_4,
1528     IMG_BACKGROUND_TITLEMESSAGE_INITIAL_5,
1529     IMG_BACKGROUND_TITLEMESSAGE_1,
1530     IMG_BACKGROUND_TITLEMESSAGE_2,
1531     IMG_BACKGROUND_TITLEMESSAGE_3,
1532     IMG_BACKGROUND_TITLEMESSAGE_4,
1533     IMG_BACKGROUND_TITLEMESSAGE_5,
1534
1535     -1
1536   };
1537
1538   checked_free(graphic_info);
1539
1540   graphic_info = checked_calloc(num_images * sizeof(struct GraphicInfo));
1541
1542   /* initialize "use_image_size" flag with default value */
1543   for (i = 0; i < num_images; i++)
1544     graphic_info[i].use_image_size = FALSE;
1545
1546   /* initialize "use_image_size" flag from static configuration above */
1547   for (i = 0; full_size_graphics[i] != -1; i++)
1548     graphic_info[full_size_graphics[i]].use_image_size = TRUE;
1549
1550   /* first set all graphic paramaters ... */
1551   for (i = 0; i < num_images; i++)
1552     set_graphic_parameters(i);
1553
1554   /* ... then copy these parameters for cloned graphics */
1555   for (i = 0; i < num_images; i++)
1556     if (graphic_info[i].clone_from != -1)
1557       set_cloned_graphic_parameters(i);
1558
1559   for (i = 0; i < num_images; i++)
1560   {
1561     Bitmap *src_bitmap;
1562     int src_x, src_y;
1563     int width, height;
1564     int first_frame, last_frame;
1565     int src_bitmap_width, src_bitmap_height;
1566
1567     /* now check if no animation frames are outside of the loaded image */
1568
1569     if (graphic_info[i].bitmap == NULL)
1570       continue;         /* skip check for optional images that are undefined */
1571
1572     /* get image size (this can differ from the standard element tile size!) */
1573     width  = graphic_info[i].width;
1574     height = graphic_info[i].height;
1575
1576     /* get final bitmap size (with scaling, but without small images) */
1577     src_bitmap_width  = graphic_info[i].src_image_width;
1578     src_bitmap_height = graphic_info[i].src_image_height;
1579
1580     /* check if first animation frame is inside specified bitmap */
1581
1582     first_frame = 0;
1583     getFixedGraphicSource(i, first_frame, &src_bitmap, &src_x, &src_y);
1584
1585     /* this avoids calculating wrong start position for out-of-bounds frame */
1586     src_x = graphic_info[i].src_x;
1587     src_y = graphic_info[i].src_y;
1588
1589     if (src_x < 0 || src_y < 0 ||
1590         src_x + width  > src_bitmap_width ||
1591         src_y + height > src_bitmap_height)
1592     {
1593       Error(ERR_INFO_LINE, "-");
1594       Error(ERR_INFO, "warning: error found in config file:");
1595       Error(ERR_INFO, "- config file: '%s'", getImageConfigFilename());
1596       Error(ERR_INFO, "- config token: '%s'", getTokenFromImageID(i));
1597       Error(ERR_INFO, "- image file: '%s'", src_bitmap->source_filename);
1598       Error(ERR_INFO,
1599             "error: first animation frame out of bounds (%d, %d) [%d, %d]",
1600             src_x, src_y, src_bitmap_width, src_bitmap_height);
1601       Error(ERR_INFO, "custom graphic rejected for this element/action");
1602
1603       if (i == fallback_graphic)
1604         Error(ERR_EXIT, "no fallback graphic available");
1605
1606       Error(ERR_INFO, "fallback done to 'char_exclam' for this graphic");
1607       Error(ERR_INFO_LINE, "-");
1608
1609       graphic_info[i] = graphic_info[fallback_graphic];
1610     }
1611
1612     /* check if last animation frame is inside specified bitmap */
1613
1614     last_frame = graphic_info[i].anim_frames - 1;
1615     getFixedGraphicSource(i, last_frame, &src_bitmap, &src_x, &src_y);
1616
1617     if (src_x < 0 || src_y < 0 ||
1618         src_x + width  > src_bitmap_width ||
1619         src_y + height > src_bitmap_height)
1620     {
1621       Error(ERR_INFO_LINE, "-");
1622       Error(ERR_INFO, "warning: error found in config file:");
1623       Error(ERR_INFO, "- config file: '%s'", getImageConfigFilename());
1624       Error(ERR_INFO, "- config token: '%s'", getTokenFromImageID(i));
1625       Error(ERR_INFO, "- image file: '%s'", src_bitmap->source_filename);
1626       Error(ERR_INFO,
1627             "error: last animation frame (%d) out of bounds (%d, %d) [%d, %d]",
1628             last_frame, src_x, src_y, src_bitmap_width, src_bitmap_height);
1629       Error(ERR_INFO, "::: %d, %d", width, height);
1630       Error(ERR_INFO, "custom graphic rejected for this element/action");
1631
1632       if (i == fallback_graphic)
1633         Error(ERR_EXIT, "no fallback graphic available");
1634
1635       Error(ERR_INFO, "fallback done to 'char_exclam' for this graphic");
1636       Error(ERR_INFO_LINE, "-");
1637
1638       graphic_info[i] = graphic_info[fallback_graphic];
1639     }
1640   }
1641 }
1642
1643 static void InitGraphicCompatibilityInfo()
1644 {
1645   struct FileInfo *fi_global_door =
1646     getImageListEntryFromImageID(IMG_GLOBAL_DOOR);
1647   int num_images = getImageListSize();
1648   int i;
1649
1650   /* the following compatibility handling is needed for the following case:
1651      versions up to 3.3.0.0 used one large bitmap "global.door" for various
1652      graphics mainly used for door and panel graphics, like editor, tape and
1653      in-game buttons with hard-coded bitmap positions and button sizes; as
1654      these graphics now have individual definitions, redefining "global.door"
1655      to change all these graphics at once like before does not work anymore
1656      (because all those individual definitions still have their default values);
1657      to solve this, remap all those individual definitions that are not
1658      redefined to the new bitmap of "global.door" if it was redefined */
1659
1660   /* special compatibility handling if image "global.door" was redefined */
1661   if (fi_global_door->redefined)
1662   {
1663     for (i = 0; i < num_images; i++)
1664     {
1665       struct FileInfo *fi = getImageListEntryFromImageID(i);
1666
1667       /* process only those images that still use the default settings */
1668       if (!fi->redefined)
1669       {
1670         /* process all images which default to same image as "global.door" */
1671         if (strEqual(fi->default_filename, fi_global_door->default_filename))
1672         {
1673           // printf("::: special treatment needed for token '%s'\n", fi->token);
1674
1675           graphic_info[i].bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
1676         }
1677       }
1678     }
1679   }
1680
1681   InitGraphicCompatibilityInfo_Doors();
1682 }
1683
1684 static void InitElementSoundInfo()
1685 {
1686   struct PropertyMapping *property_mapping = getSoundListPropertyMapping();
1687   int num_property_mappings = getSoundListPropertyMappingSize();
1688   int i, j, act;
1689
1690   /* set values to -1 to identify later as "uninitialized" values */
1691   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
1692     for (act = 0; act < NUM_ACTIONS; act++)
1693       element_info[i].sound[act] = -1;
1694
1695   /* initialize element/sound mapping from static configuration */
1696   for (i = 0; element_to_sound[i].element > -1; i++)
1697   {
1698     int element      = element_to_sound[i].element;
1699     int action       = element_to_sound[i].action;
1700     int sound        = element_to_sound[i].sound;
1701     boolean is_class = element_to_sound[i].is_class;
1702
1703     if (action < 0)
1704       action = ACTION_DEFAULT;
1705
1706     if (!is_class)
1707       element_info[element].sound[action] = sound;
1708     else
1709       for (j = 0; j < MAX_NUM_ELEMENTS; j++)
1710         if (strEqual(element_info[j].class_name,
1711                      element_info[element].class_name))
1712           element_info[j].sound[action] = sound;
1713   }
1714
1715   /* initialize element class/sound mapping from dynamic configuration */
1716   for (i = 0; i < num_property_mappings; i++)
1717   {
1718     int element_class = property_mapping[i].base_index - MAX_NUM_ELEMENTS;
1719     int action        = property_mapping[i].ext1_index;
1720     int sound         = property_mapping[i].artwork_index;
1721
1722     if (element_class < 0 || element_class >= MAX_NUM_ELEMENTS)
1723       continue;
1724
1725     if (action < 0)
1726       action = ACTION_DEFAULT;
1727
1728     for (j = 0; j < MAX_NUM_ELEMENTS; j++)
1729       if (strEqual(element_info[j].class_name,
1730                    element_info[element_class].class_name))
1731         element_info[j].sound[action] = sound;
1732   }
1733
1734   /* initialize element/sound mapping from dynamic configuration */
1735   for (i = 0; i < num_property_mappings; i++)
1736   {
1737     int element = property_mapping[i].base_index;
1738     int action  = property_mapping[i].ext1_index;
1739     int sound   = property_mapping[i].artwork_index;
1740
1741     if (element >= MAX_NUM_ELEMENTS)
1742       continue;
1743
1744     if (action < 0)
1745       action = ACTION_DEFAULT;
1746
1747     element_info[element].sound[action] = sound;
1748   }
1749
1750   /* now set all '-1' values to element specific default values */
1751   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
1752   {
1753     for (act = 0; act < NUM_ACTIONS; act++)
1754     {
1755       /* generic default action sound (defined by "[default]" directive) */
1756       int default_action_sound = element_info[EL_DEFAULT].sound[act];
1757
1758       /* look for special default action sound (classic game specific) */
1759       if (IS_BD_ELEMENT(i) && element_info[EL_BD_DEFAULT].sound[act] != -1)
1760         default_action_sound = element_info[EL_BD_DEFAULT].sound[act];
1761       if (IS_SP_ELEMENT(i) && element_info[EL_SP_DEFAULT].sound[act] != -1)
1762         default_action_sound = element_info[EL_SP_DEFAULT].sound[act];
1763       if (IS_SB_ELEMENT(i) && element_info[EL_SB_DEFAULT].sound[act] != -1)
1764         default_action_sound = element_info[EL_SB_DEFAULT].sound[act];
1765
1766       /* !!! needed because EL_EMPTY_SPACE treated as IS_SP_ELEMENT !!! */
1767       /* !!! make this better !!! */
1768       if (i == EL_EMPTY_SPACE)
1769         default_action_sound = element_info[EL_DEFAULT].sound[act];
1770
1771       /* no sound for this specific action -- use default action sound */
1772       if (element_info[i].sound[act] == -1)
1773         element_info[i].sound[act] = default_action_sound;
1774     }
1775   }
1776
1777   /* copy sound settings to some elements that are only stored in level file
1778      in native R'n'D levels, but are used by game engine in native EM levels */
1779   for (i = 0; copy_properties[i][0] != -1; i++)
1780     for (j = 1; j <= 4; j++)
1781       for (act = 0; act < NUM_ACTIONS; act++)
1782         element_info[copy_properties[i][j]].sound[act] =
1783           element_info[copy_properties[i][0]].sound[act];
1784 }
1785
1786 static void InitGameModeSoundInfo()
1787 {
1788   int i;
1789
1790   /* set values to -1 to identify later as "uninitialized" values */
1791   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
1792     menu.sound[i] = -1;
1793
1794   /* initialize gamemode/sound mapping from static configuration */
1795   for (i = 0; gamemode_to_sound[i].sound > -1; i++)
1796   {
1797     int gamemode = gamemode_to_sound[i].gamemode;
1798     int sound    = gamemode_to_sound[i].sound;
1799
1800     if (gamemode < 0)
1801       gamemode = GAME_MODE_DEFAULT;
1802
1803     menu.sound[gamemode] = sound;
1804   }
1805
1806   /* now set all '-1' values to levelset specific default values */
1807   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
1808     if (menu.sound[i] == -1)
1809       menu.sound[i] = menu.sound[GAME_MODE_DEFAULT];
1810 }
1811
1812 static void set_sound_parameters(int sound, char **parameter_raw)
1813 {
1814   int parameter[NUM_SND_ARGS];
1815   int i;
1816
1817   /* get integer values from string parameters */
1818   for (i = 0; i < NUM_SND_ARGS; i++)
1819     parameter[i] =
1820       get_parameter_value(parameter_raw[i],
1821                           sound_config_suffix[i].token,
1822                           sound_config_suffix[i].type);
1823
1824   /* explicit loop mode setting in configuration overrides default value */
1825   if (parameter[SND_ARG_MODE_LOOP] != ARG_UNDEFINED_VALUE)
1826     sound_info[sound].loop = parameter[SND_ARG_MODE_LOOP];
1827
1828   /* sound volume to change the original volume when loading the sound file */
1829   sound_info[sound].volume = parameter[SND_ARG_VOLUME];
1830
1831   /* sound priority to give certain sounds a higher or lower priority */
1832   sound_info[sound].priority = parameter[SND_ARG_PRIORITY];
1833 }
1834
1835 static void InitSoundInfo()
1836 {
1837   int *sound_effect_properties;
1838   int num_sounds = getSoundListSize();
1839   int i, j;
1840
1841   checked_free(sound_info);
1842
1843   sound_effect_properties = checked_calloc(num_sounds * sizeof(int));
1844   sound_info = checked_calloc(num_sounds * sizeof(struct SoundInfo));
1845
1846   /* initialize sound effect for all elements to "no sound" */
1847   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
1848     for (j = 0; j < NUM_ACTIONS; j++)
1849       element_info[i].sound[j] = SND_UNDEFINED;
1850
1851   for (i = 0; i < num_sounds; i++)
1852   {
1853     struct FileInfo *sound = getSoundListEntry(i);
1854     int len_effect_text = strlen(sound->token);
1855
1856     sound_effect_properties[i] = ACTION_OTHER;
1857     sound_info[i].loop = FALSE;         /* default: play sound only once */
1858
1859     /* determine all loop sounds and identify certain sound classes */
1860
1861     for (j = 0; element_action_info[j].suffix; j++)
1862     {
1863       int len_action_text = strlen(element_action_info[j].suffix);
1864
1865       if (len_action_text < len_effect_text &&
1866           strEqual(&sound->token[len_effect_text - len_action_text],
1867                    element_action_info[j].suffix))
1868       {
1869         sound_effect_properties[i] = element_action_info[j].value;
1870         sound_info[i].loop = element_action_info[j].is_loop_sound;
1871
1872         break;
1873       }
1874     }
1875
1876     /* associate elements and some selected sound actions */
1877
1878     for (j = 0; j < MAX_NUM_ELEMENTS; j++)
1879     {
1880       if (element_info[j].class_name)
1881       {
1882         int len_class_text = strlen(element_info[j].class_name);
1883
1884         if (len_class_text + 1 < len_effect_text &&
1885             strncmp(sound->token,
1886                     element_info[j].class_name, len_class_text) == 0 &&
1887             sound->token[len_class_text] == '.')
1888         {
1889           int sound_action_value = sound_effect_properties[i];
1890
1891           element_info[j].sound[sound_action_value] = i;
1892         }
1893       }
1894     }
1895
1896     set_sound_parameters(i, sound->parameter);
1897   }
1898
1899   free(sound_effect_properties);
1900 }
1901
1902 static void InitGameModeMusicInfo()
1903 {
1904   struct PropertyMapping *property_mapping = getMusicListPropertyMapping();
1905   int num_property_mappings = getMusicListPropertyMappingSize();
1906   int default_levelset_music = -1;
1907   int i;
1908
1909   /* set values to -1 to identify later as "uninitialized" values */
1910   for (i = 0; i < MAX_LEVELS; i++)
1911     levelset.music[i] = -1;
1912   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
1913     menu.music[i] = -1;
1914
1915   /* initialize gamemode/music mapping from static configuration */
1916   for (i = 0; gamemode_to_music[i].music > -1; i++)
1917   {
1918     int gamemode = gamemode_to_music[i].gamemode;
1919     int music    = gamemode_to_music[i].music;
1920
1921     if (gamemode < 0)
1922       gamemode = GAME_MODE_DEFAULT;
1923
1924     menu.music[gamemode] = music;
1925   }
1926
1927   /* initialize gamemode/music mapping from dynamic configuration */
1928   for (i = 0; i < num_property_mappings; i++)
1929   {
1930     int prefix   = property_mapping[i].base_index;
1931     int gamemode = property_mapping[i].ext1_index;
1932     int level    = property_mapping[i].ext2_index;
1933     int music    = property_mapping[i].artwork_index;
1934
1935     if (prefix < 0 || prefix >= NUM_MUSIC_PREFIXES)
1936       continue;
1937
1938     if (gamemode < 0)
1939       gamemode = GAME_MODE_DEFAULT;
1940
1941     /* level specific music only allowed for in-game music */
1942     if (level != -1 && gamemode == GAME_MODE_DEFAULT)
1943       gamemode = GAME_MODE_PLAYING;
1944
1945     if (level == -1)
1946     {
1947       level = 0;
1948       default_levelset_music = music;
1949     }
1950
1951     if (gamemode == GAME_MODE_PLAYING || gamemode == GAME_MODE_DEFAULT)
1952       levelset.music[level] = music;
1953     if (gamemode != GAME_MODE_PLAYING)
1954       menu.music[gamemode] = music;
1955   }
1956
1957   /* now set all '-1' values to menu specific default values */
1958   /* (undefined values of "levelset.music[]" might stay at "-1" to
1959      allow dynamic selection of music files from music directory!) */
1960   for (i = 0; i < MAX_LEVELS; i++)
1961     if (levelset.music[i] == -1)
1962       levelset.music[i] = default_levelset_music;
1963   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
1964     if (menu.music[i] == -1)
1965       menu.music[i] = menu.music[GAME_MODE_DEFAULT];
1966 }
1967
1968 static void set_music_parameters(int music, char **parameter_raw)
1969 {
1970   int parameter[NUM_MUS_ARGS];
1971   int i;
1972
1973   /* get integer values from string parameters */
1974   for (i = 0; i < NUM_MUS_ARGS; i++)
1975     parameter[i] =
1976       get_parameter_value(parameter_raw[i],
1977                           music_config_suffix[i].token,
1978                           music_config_suffix[i].type);
1979
1980   /* explicit loop mode setting in configuration overrides default value */
1981   if (parameter[MUS_ARG_MODE_LOOP] != ARG_UNDEFINED_VALUE)
1982     music_info[music].loop = parameter[MUS_ARG_MODE_LOOP];
1983 }
1984
1985 static void InitMusicInfo()
1986 {
1987   int num_music = getMusicListSize();
1988   int i, j;
1989
1990   checked_free(music_info);
1991
1992   music_info = checked_calloc(num_music * sizeof(struct MusicInfo));
1993
1994   for (i = 0; i < num_music; i++)
1995   {
1996     struct FileInfo *music = getMusicListEntry(i);
1997     int len_music_text = strlen(music->token);
1998
1999     music_info[i].loop = TRUE;          /* default: play music in loop mode */
2000
2001     /* determine all loop music */
2002
2003     for (j = 0; music_prefix_info[j].prefix; j++)
2004     {
2005       int len_prefix_text = strlen(music_prefix_info[j].prefix);
2006
2007       if (len_prefix_text < len_music_text &&
2008           strncmp(music->token,
2009                   music_prefix_info[j].prefix, len_prefix_text) == 0)
2010       {
2011         music_info[i].loop = music_prefix_info[j].is_loop_music;
2012
2013         break;
2014       }
2015     }
2016
2017     set_music_parameters(i, music->parameter);
2018   }
2019 }
2020
2021 static void ReinitializeGraphics()
2022 {
2023   print_timestamp_init("ReinitializeGraphics");
2024
2025   InitGfxTileSizeInfo(game.tile_size, TILESIZE);
2026
2027   InitGraphicInfo();                    /* graphic properties mapping */
2028   print_timestamp_time("InitGraphicInfo");
2029   InitElementGraphicInfo();             /* element game graphic mapping */
2030   print_timestamp_time("InitElementGraphicInfo");
2031   InitElementSpecialGraphicInfo();      /* element special graphic mapping */
2032   print_timestamp_time("InitElementSpecialGraphicInfo");
2033
2034   InitElementSmallImages();             /* scale elements to all needed sizes */
2035   print_timestamp_time("InitElementSmallImages");
2036   InitScaledImages();                   /* scale all other images, if needed */
2037   print_timestamp_time("InitScaledImages");
2038   InitBitmapPointers();                 /* set standard size bitmap pointers */
2039   print_timestamp_time("InitBitmapPointers");
2040   InitFontGraphicInfo();                /* initialize text drawing functions */
2041   print_timestamp_time("InitFontGraphicInfo");
2042   InitGlobalAnimGraphicInfo();          /* initialize global animation config */
2043   print_timestamp_time("InitGlobalAnimGraphicInfo");
2044
2045   InitImageTextures();                  /* create textures for certain images */
2046   print_timestamp_time("InitImageTextures");
2047
2048   InitGraphicInfo_EM();                 /* graphic mapping for EM engine */
2049   print_timestamp_time("InitGraphicInfo_EM");
2050
2051   InitGraphicCompatibilityInfo();
2052   print_timestamp_time("InitGraphicCompatibilityInfo");
2053
2054   SetMainBackgroundImage(IMG_BACKGROUND);
2055   print_timestamp_time("SetMainBackgroundImage");
2056   SetDoorBackgroundImage(IMG_BACKGROUND_DOOR);
2057   print_timestamp_time("SetDoorBackgroundImage");
2058
2059   InitGadgets();
2060   print_timestamp_time("InitGadgets");
2061   InitToons();
2062   print_timestamp_time("InitToons");
2063   InitDoors();
2064   print_timestamp_time("InitDoors");
2065
2066   print_timestamp_done("ReinitializeGraphics");
2067 }
2068
2069 static void ReinitializeSounds()
2070 {
2071   InitSoundInfo();              /* sound properties mapping */
2072   InitElementSoundInfo();       /* element game sound mapping */
2073   InitGameModeSoundInfo();      /* game mode sound mapping */
2074
2075   InitPlayLevelSound();         /* internal game sound settings */
2076 }
2077
2078 static void ReinitializeMusic()
2079 {
2080   InitMusicInfo();              /* music properties mapping */
2081   InitGameModeMusicInfo();      /* game mode music mapping */
2082 }
2083
2084 static int get_special_property_bit(int element, int property_bit_nr)
2085 {
2086   struct PropertyBitInfo
2087   {
2088     int element;
2089     int bit_nr;
2090   };
2091
2092   static struct PropertyBitInfo pb_can_move_into_acid[] =
2093   {
2094     /* the player may be able fall into acid when gravity is activated */
2095     { EL_PLAYER_1,              0       },
2096     { EL_PLAYER_2,              0       },
2097     { EL_PLAYER_3,              0       },
2098     { EL_PLAYER_4,              0       },
2099     { EL_SP_MURPHY,             0       },
2100     { EL_SOKOBAN_FIELD_PLAYER,  0       },
2101
2102     /* all elements that can move may be able to also move into acid */
2103     { EL_BUG,                   1       },
2104     { EL_BUG_LEFT,              1       },
2105     { EL_BUG_RIGHT,             1       },
2106     { EL_BUG_UP,                1       },
2107     { EL_BUG_DOWN,              1       },
2108     { EL_SPACESHIP,             2       },
2109     { EL_SPACESHIP_LEFT,        2       },
2110     { EL_SPACESHIP_RIGHT,       2       },
2111     { EL_SPACESHIP_UP,          2       },
2112     { EL_SPACESHIP_DOWN,        2       },
2113     { EL_BD_BUTTERFLY,          3       },
2114     { EL_BD_BUTTERFLY_LEFT,     3       },
2115     { EL_BD_BUTTERFLY_RIGHT,    3       },
2116     { EL_BD_BUTTERFLY_UP,       3       },
2117     { EL_BD_BUTTERFLY_DOWN,     3       },
2118     { EL_BD_FIREFLY,            4       },
2119     { EL_BD_FIREFLY_LEFT,       4       },
2120     { EL_BD_FIREFLY_RIGHT,      4       },
2121     { EL_BD_FIREFLY_UP,         4       },
2122     { EL_BD_FIREFLY_DOWN,       4       },
2123     { EL_YAMYAM,                5       },
2124     { EL_YAMYAM_LEFT,           5       },
2125     { EL_YAMYAM_RIGHT,          5       },
2126     { EL_YAMYAM_UP,             5       },
2127     { EL_YAMYAM_DOWN,           5       },
2128     { EL_DARK_YAMYAM,           6       },
2129     { EL_ROBOT,                 7       },
2130     { EL_PACMAN,                8       },
2131     { EL_PACMAN_LEFT,           8       },
2132     { EL_PACMAN_RIGHT,          8       },
2133     { EL_PACMAN_UP,             8       },
2134     { EL_PACMAN_DOWN,           8       },
2135     { EL_MOLE,                  9       },
2136     { EL_MOLE_LEFT,             9       },
2137     { EL_MOLE_RIGHT,            9       },
2138     { EL_MOLE_UP,               9       },
2139     { EL_MOLE_DOWN,             9       },
2140     { EL_PENGUIN,               10      },
2141     { EL_PIG,                   11      },
2142     { EL_DRAGON,                12      },
2143     { EL_SATELLITE,             13      },
2144     { EL_SP_SNIKSNAK,           14      },
2145     { EL_SP_ELECTRON,           15      },
2146     { EL_BALLOON,               16      },
2147     { EL_SPRING,                17      },
2148     { EL_EMC_ANDROID,           18      },
2149
2150     { -1,                       -1      },
2151   };
2152
2153   static struct PropertyBitInfo pb_dont_collide_with[] =
2154   {
2155     { EL_SP_SNIKSNAK,           0       },
2156     { EL_SP_ELECTRON,           1       },
2157
2158     { -1,                       -1      },
2159   };
2160
2161   static struct
2162   {
2163     int bit_nr;
2164     struct PropertyBitInfo *pb_info;
2165   } pb_definition[] =
2166   {
2167     { EP_CAN_MOVE_INTO_ACID,    pb_can_move_into_acid   },
2168     { EP_DONT_COLLIDE_WITH,     pb_dont_collide_with    },
2169
2170     { -1,                       NULL                    },
2171   };
2172
2173   struct PropertyBitInfo *pb_info = NULL;
2174   int i;
2175
2176   for (i = 0; pb_definition[i].bit_nr != -1; i++)
2177     if (pb_definition[i].bit_nr == property_bit_nr)
2178       pb_info = pb_definition[i].pb_info;
2179
2180   if (pb_info == NULL)
2181     return -1;
2182
2183   for (i = 0; pb_info[i].element != -1; i++)
2184     if (pb_info[i].element == element)
2185       return pb_info[i].bit_nr;
2186
2187   return -1;
2188 }
2189
2190 void setBitfieldProperty(int *bitfield, int property_bit_nr, int element,
2191                          boolean property_value)
2192 {
2193   int bit_nr = get_special_property_bit(element, property_bit_nr);
2194
2195   if (bit_nr > -1)
2196   {
2197     if (property_value)
2198       *bitfield |=  (1 << bit_nr);
2199     else
2200       *bitfield &= ~(1 << bit_nr);
2201   }
2202 }
2203
2204 boolean getBitfieldProperty(int *bitfield, int property_bit_nr, int element)
2205 {
2206   int bit_nr = get_special_property_bit(element, property_bit_nr);
2207
2208   if (bit_nr > -1)
2209     return ((*bitfield & (1 << bit_nr)) != 0);
2210
2211   return FALSE;
2212 }
2213
2214 static void ResolveGroupElementExt(int group_element, int recursion_depth)
2215 {
2216   static int group_nr;
2217   static struct ElementGroupInfo *group;
2218   struct ElementGroupInfo *actual_group = element_info[group_element].group;
2219   int i;
2220
2221   if (actual_group == NULL)                     /* not yet initialized */
2222     return;
2223
2224   if (recursion_depth > NUM_GROUP_ELEMENTS)     /* recursion too deep */
2225   {
2226     Error(ERR_WARN, "recursion too deep when resolving group element %d",
2227           group_element - EL_GROUP_START + 1);
2228
2229     /* replace element which caused too deep recursion by question mark */
2230     group->element_resolved[group->num_elements_resolved++] = EL_UNKNOWN;
2231
2232     return;
2233   }
2234
2235   if (recursion_depth == 0)                     /* initialization */
2236   {
2237     group = actual_group;
2238     group_nr = GROUP_NR(group_element);
2239
2240     group->num_elements_resolved = 0;
2241     group->choice_pos = 0;
2242
2243     for (i = 0; i < MAX_NUM_ELEMENTS; i++)
2244       element_info[i].in_group[group_nr] = FALSE;
2245   }
2246
2247   for (i = 0; i < actual_group->num_elements; i++)
2248   {
2249     int element = actual_group->element[i];
2250
2251     if (group->num_elements_resolved == NUM_FILE_ELEMENTS)
2252       break;
2253
2254     if (IS_GROUP_ELEMENT(element))
2255       ResolveGroupElementExt(element, recursion_depth + 1);
2256     else
2257     {
2258       group->element_resolved[group->num_elements_resolved++] = element;
2259       element_info[element].in_group[group_nr] = TRUE;
2260     }
2261   }
2262 }
2263
2264 void ResolveGroupElement(int group_element)
2265 {
2266   ResolveGroupElementExt(group_element, 0);
2267 }
2268
2269 void InitElementPropertiesStatic()
2270 {
2271   static boolean clipboard_elements_initialized = FALSE;
2272
2273   static int ep_diggable[] =
2274   {
2275     EL_SAND,
2276     EL_SP_BASE,
2277     EL_SP_BUGGY_BASE,
2278     EL_SP_BUGGY_BASE_ACTIVATING,
2279     EL_TRAP,
2280     EL_INVISIBLE_SAND,
2281     EL_INVISIBLE_SAND_ACTIVE,
2282     EL_EMC_GRASS,
2283
2284     /* !!! currently not diggable, but handled by 'ep_dont_run_into' !!! */
2285     /* (if amoeba can grow into anything diggable, maybe keep these out) */
2286 #if 0
2287     EL_LANDMINE,
2288     EL_DC_LANDMINE,
2289     EL_TRAP_ACTIVE,
2290     EL_SP_BUGGY_BASE_ACTIVE,
2291     EL_EMC_PLANT,
2292 #endif
2293
2294     -1
2295   };
2296
2297   static int ep_collectible_only[] =
2298   {
2299     EL_BD_DIAMOND,
2300     EL_EMERALD,
2301     EL_DIAMOND,
2302     EL_EMERALD_YELLOW,
2303     EL_EMERALD_RED,
2304     EL_EMERALD_PURPLE,
2305     EL_KEY_1,
2306     EL_KEY_2,
2307     EL_KEY_3,
2308     EL_KEY_4,
2309     EL_EM_KEY_1,
2310     EL_EM_KEY_2,
2311     EL_EM_KEY_3,
2312     EL_EM_KEY_4,
2313     EL_EMC_KEY_5,
2314     EL_EMC_KEY_6,
2315     EL_EMC_KEY_7,
2316     EL_EMC_KEY_8,
2317     EL_DYNAMITE,
2318     EL_EM_DYNAMITE,
2319     EL_DYNABOMB_INCREASE_NUMBER,
2320     EL_DYNABOMB_INCREASE_SIZE,
2321     EL_DYNABOMB_INCREASE_POWER,
2322     EL_SP_INFOTRON,
2323     EL_SP_DISK_RED,
2324     EL_PEARL,
2325     EL_CRYSTAL,
2326     EL_DC_KEY_WHITE,
2327     EL_SHIELD_NORMAL,
2328     EL_SHIELD_DEADLY,
2329     EL_EXTRA_TIME,
2330     EL_ENVELOPE_1,
2331     EL_ENVELOPE_2,
2332     EL_ENVELOPE_3,
2333     EL_ENVELOPE_4,
2334     EL_SPEED_PILL,
2335     EL_EMC_LENSES,
2336     EL_EMC_MAGNIFIER,
2337
2338 #if 0
2339     /* !!! handle separately !!! */
2340     EL_DC_LANDMINE,     /* deadly when running into, but can be snapped */
2341 #endif
2342
2343     -1
2344   };
2345
2346   static int ep_dont_run_into[] =
2347   {
2348     /* same elements as in 'ep_dont_touch' */
2349     EL_BUG,
2350     EL_SPACESHIP,
2351     EL_BD_BUTTERFLY,
2352     EL_BD_FIREFLY,
2353
2354     /* same elements as in 'ep_dont_collide_with' */
2355     EL_YAMYAM,
2356     EL_DARK_YAMYAM,
2357     EL_ROBOT,
2358     EL_PACMAN,
2359     EL_SP_SNIKSNAK,
2360     EL_SP_ELECTRON,
2361
2362     /* new elements */
2363     EL_AMOEBA_DROP,
2364     EL_ACID,
2365
2366     /* !!! maybe this should better be handled by 'ep_diggable' !!! */
2367 #if 1
2368     EL_LANDMINE,
2369     EL_DC_LANDMINE,
2370     EL_TRAP_ACTIVE,
2371     EL_SP_BUGGY_BASE_ACTIVE,
2372     EL_EMC_PLANT,
2373 #endif
2374
2375     -1
2376   };
2377
2378   static int ep_dont_collide_with[] =
2379   {
2380     /* same elements as in 'ep_dont_touch' */
2381     EL_BUG,
2382     EL_SPACESHIP,
2383     EL_BD_BUTTERFLY,
2384     EL_BD_FIREFLY,
2385
2386     /* new elements */
2387     EL_YAMYAM,
2388     EL_DARK_YAMYAM,
2389     EL_ROBOT,
2390     EL_PACMAN,
2391     EL_SP_SNIKSNAK,
2392     EL_SP_ELECTRON,
2393
2394     -1
2395   };
2396
2397   static int ep_dont_touch[] =
2398   {
2399     EL_BUG,
2400     EL_SPACESHIP,
2401     EL_BD_BUTTERFLY,
2402     EL_BD_FIREFLY,
2403
2404     -1
2405   };
2406
2407   static int ep_indestructible[] =
2408   {
2409     EL_STEELWALL,
2410     EL_ACID,
2411     EL_ACID_POOL_TOPLEFT,
2412     EL_ACID_POOL_TOPRIGHT,
2413     EL_ACID_POOL_BOTTOMLEFT,
2414     EL_ACID_POOL_BOTTOM,
2415     EL_ACID_POOL_BOTTOMRIGHT,
2416     EL_SP_HARDWARE_GRAY,
2417     EL_SP_HARDWARE_GREEN,
2418     EL_SP_HARDWARE_BLUE,
2419     EL_SP_HARDWARE_RED,
2420     EL_SP_HARDWARE_YELLOW,
2421     EL_SP_HARDWARE_BASE_1,
2422     EL_SP_HARDWARE_BASE_2,
2423     EL_SP_HARDWARE_BASE_3,
2424     EL_SP_HARDWARE_BASE_4,
2425     EL_SP_HARDWARE_BASE_5,
2426     EL_SP_HARDWARE_BASE_6,
2427     EL_INVISIBLE_STEELWALL,
2428     EL_INVISIBLE_STEELWALL_ACTIVE,
2429     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2430     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2431     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2432     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2433     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2434     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2435     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2436     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2437     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2438     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2439     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2440     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2441     EL_LIGHT_SWITCH,
2442     EL_LIGHT_SWITCH_ACTIVE,
2443     EL_SIGN_EXCLAMATION,
2444     EL_SIGN_RADIOACTIVITY,
2445     EL_SIGN_STOP,
2446     EL_SIGN_WHEELCHAIR,
2447     EL_SIGN_PARKING,
2448     EL_SIGN_NO_ENTRY,
2449     EL_SIGN_UNUSED_1,
2450     EL_SIGN_GIVE_WAY,
2451     EL_SIGN_ENTRY_FORBIDDEN,
2452     EL_SIGN_EMERGENCY_EXIT,
2453     EL_SIGN_YIN_YANG,
2454     EL_SIGN_UNUSED_2,
2455     EL_SIGN_SPERMS,
2456     EL_SIGN_BULLET,
2457     EL_SIGN_HEART,
2458     EL_SIGN_CROSS,
2459     EL_SIGN_FRANKIE,
2460     EL_STEEL_EXIT_CLOSED,
2461     EL_STEEL_EXIT_OPEN,
2462     EL_STEEL_EXIT_OPENING,
2463     EL_STEEL_EXIT_CLOSING,
2464     EL_EM_STEEL_EXIT_CLOSED,
2465     EL_EM_STEEL_EXIT_OPEN,
2466     EL_EM_STEEL_EXIT_OPENING,
2467     EL_EM_STEEL_EXIT_CLOSING,
2468     EL_DC_STEELWALL_1_LEFT,
2469     EL_DC_STEELWALL_1_RIGHT,
2470     EL_DC_STEELWALL_1_TOP,
2471     EL_DC_STEELWALL_1_BOTTOM,
2472     EL_DC_STEELWALL_1_HORIZONTAL,
2473     EL_DC_STEELWALL_1_VERTICAL,
2474     EL_DC_STEELWALL_1_TOPLEFT,
2475     EL_DC_STEELWALL_1_TOPRIGHT,
2476     EL_DC_STEELWALL_1_BOTTOMLEFT,
2477     EL_DC_STEELWALL_1_BOTTOMRIGHT,
2478     EL_DC_STEELWALL_1_TOPLEFT_2,
2479     EL_DC_STEELWALL_1_TOPRIGHT_2,
2480     EL_DC_STEELWALL_1_BOTTOMLEFT_2,
2481     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
2482     EL_DC_STEELWALL_2_LEFT,
2483     EL_DC_STEELWALL_2_RIGHT,
2484     EL_DC_STEELWALL_2_TOP,
2485     EL_DC_STEELWALL_2_BOTTOM,
2486     EL_DC_STEELWALL_2_HORIZONTAL,
2487     EL_DC_STEELWALL_2_VERTICAL,
2488     EL_DC_STEELWALL_2_MIDDLE,
2489     EL_DC_STEELWALL_2_SINGLE,
2490     EL_STEELWALL_SLIPPERY,
2491     EL_EMC_STEELWALL_1,
2492     EL_EMC_STEELWALL_2,
2493     EL_EMC_STEELWALL_3,
2494     EL_EMC_STEELWALL_4,
2495     EL_CRYSTAL,
2496     EL_GATE_1,
2497     EL_GATE_2,
2498     EL_GATE_3,
2499     EL_GATE_4,
2500     EL_GATE_1_GRAY,
2501     EL_GATE_2_GRAY,
2502     EL_GATE_3_GRAY,
2503     EL_GATE_4_GRAY,
2504     EL_GATE_1_GRAY_ACTIVE,
2505     EL_GATE_2_GRAY_ACTIVE,
2506     EL_GATE_3_GRAY_ACTIVE,
2507     EL_GATE_4_GRAY_ACTIVE,
2508     EL_EM_GATE_1,
2509     EL_EM_GATE_2,
2510     EL_EM_GATE_3,
2511     EL_EM_GATE_4,
2512     EL_EM_GATE_1_GRAY,
2513     EL_EM_GATE_2_GRAY,
2514     EL_EM_GATE_3_GRAY,
2515     EL_EM_GATE_4_GRAY,
2516     EL_EM_GATE_1_GRAY_ACTIVE,
2517     EL_EM_GATE_2_GRAY_ACTIVE,
2518     EL_EM_GATE_3_GRAY_ACTIVE,
2519     EL_EM_GATE_4_GRAY_ACTIVE,
2520     EL_EMC_GATE_5,
2521     EL_EMC_GATE_6,
2522     EL_EMC_GATE_7,
2523     EL_EMC_GATE_8,
2524     EL_EMC_GATE_5_GRAY,
2525     EL_EMC_GATE_6_GRAY,
2526     EL_EMC_GATE_7_GRAY,
2527     EL_EMC_GATE_8_GRAY,
2528     EL_EMC_GATE_5_GRAY_ACTIVE,
2529     EL_EMC_GATE_6_GRAY_ACTIVE,
2530     EL_EMC_GATE_7_GRAY_ACTIVE,
2531     EL_EMC_GATE_8_GRAY_ACTIVE,
2532     EL_DC_GATE_WHITE,
2533     EL_DC_GATE_WHITE_GRAY,
2534     EL_DC_GATE_WHITE_GRAY_ACTIVE,
2535     EL_DC_GATE_FAKE_GRAY,
2536     EL_SWITCHGATE_OPEN,
2537     EL_SWITCHGATE_OPENING,
2538     EL_SWITCHGATE_CLOSED,
2539     EL_SWITCHGATE_CLOSING,
2540     EL_DC_SWITCHGATE_SWITCH_UP,
2541     EL_DC_SWITCHGATE_SWITCH_DOWN,
2542     EL_TIMEGATE_OPEN,
2543     EL_TIMEGATE_OPENING,
2544     EL_TIMEGATE_CLOSED,
2545     EL_TIMEGATE_CLOSING,
2546     EL_DC_TIMEGATE_SWITCH,
2547     EL_DC_TIMEGATE_SWITCH_ACTIVE,
2548     EL_TUBE_ANY,
2549     EL_TUBE_VERTICAL,
2550     EL_TUBE_HORIZONTAL,
2551     EL_TUBE_VERTICAL_LEFT,
2552     EL_TUBE_VERTICAL_RIGHT,
2553     EL_TUBE_HORIZONTAL_UP,
2554     EL_TUBE_HORIZONTAL_DOWN,
2555     EL_TUBE_LEFT_UP,
2556     EL_TUBE_LEFT_DOWN,
2557     EL_TUBE_RIGHT_UP,
2558     EL_TUBE_RIGHT_DOWN,
2559     EL_EXPANDABLE_STEELWALL_HORIZONTAL,
2560     EL_EXPANDABLE_STEELWALL_VERTICAL,
2561     EL_EXPANDABLE_STEELWALL_ANY,
2562
2563     -1
2564   };
2565
2566   static int ep_slippery[] =
2567   {
2568     EL_WALL_SLIPPERY,
2569     EL_BD_WALL,
2570     EL_ROCK,
2571     EL_BD_ROCK,
2572     EL_EMERALD,
2573     EL_BD_DIAMOND,
2574     EL_EMERALD_YELLOW,
2575     EL_EMERALD_RED,
2576     EL_EMERALD_PURPLE,
2577     EL_DIAMOND,
2578     EL_BOMB,
2579     EL_NUT,
2580     EL_ROBOT_WHEEL_ACTIVE,
2581     EL_ROBOT_WHEEL,
2582     EL_TIME_ORB_FULL,
2583     EL_TIME_ORB_EMPTY,
2584     EL_LAMP_ACTIVE,
2585     EL_LAMP,
2586     EL_ACID_POOL_TOPLEFT,
2587     EL_ACID_POOL_TOPRIGHT,
2588     EL_SATELLITE,
2589     EL_SP_ZONK,
2590     EL_SP_INFOTRON,
2591     EL_SP_CHIP_SINGLE,
2592     EL_SP_CHIP_LEFT,
2593     EL_SP_CHIP_RIGHT,
2594     EL_SP_CHIP_TOP,
2595     EL_SP_CHIP_BOTTOM,
2596     EL_SPEED_PILL,
2597     EL_STEELWALL_SLIPPERY,
2598     EL_PEARL,
2599     EL_CRYSTAL,
2600     EL_EMC_WALL_SLIPPERY_1,
2601     EL_EMC_WALL_SLIPPERY_2,
2602     EL_EMC_WALL_SLIPPERY_3,
2603     EL_EMC_WALL_SLIPPERY_4,
2604     EL_EMC_MAGIC_BALL,
2605     EL_EMC_MAGIC_BALL_ACTIVE,
2606
2607     -1
2608   };
2609
2610   static int ep_can_change[] =
2611   {
2612     -1
2613   };
2614
2615   static int ep_can_move[] =
2616   {
2617     /* same elements as in 'pb_can_move_into_acid' */
2618     EL_BUG,
2619     EL_SPACESHIP,
2620     EL_BD_BUTTERFLY,
2621     EL_BD_FIREFLY,
2622     EL_YAMYAM,
2623     EL_DARK_YAMYAM,
2624     EL_ROBOT,
2625     EL_PACMAN,
2626     EL_MOLE,
2627     EL_PENGUIN,
2628     EL_PIG,
2629     EL_DRAGON,
2630     EL_SATELLITE,
2631     EL_SP_SNIKSNAK,
2632     EL_SP_ELECTRON,
2633     EL_BALLOON,
2634     EL_SPRING,
2635     EL_EMC_ANDROID,
2636
2637     -1
2638   };
2639
2640   static int ep_can_fall[] =
2641   {
2642     EL_ROCK,
2643     EL_BD_ROCK,
2644     EL_EMERALD,
2645     EL_BD_DIAMOND,
2646     EL_EMERALD_YELLOW,
2647     EL_EMERALD_RED,
2648     EL_EMERALD_PURPLE,
2649     EL_DIAMOND,
2650     EL_BOMB,
2651     EL_NUT,
2652     EL_AMOEBA_DROP,
2653     EL_QUICKSAND_FULL,
2654     EL_QUICKSAND_FAST_FULL,
2655     EL_MAGIC_WALL_FULL,
2656     EL_BD_MAGIC_WALL_FULL,
2657     EL_DC_MAGIC_WALL_FULL,
2658     EL_TIME_ORB_FULL,
2659     EL_TIME_ORB_EMPTY,
2660     EL_SP_ZONK,
2661     EL_SP_INFOTRON,
2662     EL_SP_DISK_ORANGE,
2663     EL_PEARL,
2664     EL_CRYSTAL,
2665     EL_SPRING,
2666     EL_DX_SUPABOMB,
2667
2668     -1
2669   };
2670
2671   static int ep_can_smash_player[] =
2672   {
2673     EL_ROCK,
2674     EL_BD_ROCK,
2675     EL_EMERALD,
2676     EL_BD_DIAMOND,
2677     EL_EMERALD_YELLOW,
2678     EL_EMERALD_RED,
2679     EL_EMERALD_PURPLE,
2680     EL_DIAMOND,
2681     EL_BOMB,
2682     EL_NUT,
2683     EL_AMOEBA_DROP,
2684     EL_TIME_ORB_FULL,
2685     EL_TIME_ORB_EMPTY,
2686     EL_SP_ZONK,
2687     EL_SP_INFOTRON,
2688     EL_SP_DISK_ORANGE,
2689     EL_PEARL,
2690     EL_CRYSTAL,
2691     EL_SPRING,
2692     EL_DX_SUPABOMB,
2693
2694     -1
2695   };
2696
2697   static int ep_can_smash_enemies[] =
2698   {
2699     EL_ROCK,
2700     EL_BD_ROCK,
2701     EL_SP_ZONK,
2702
2703     -1
2704   };
2705
2706   static int ep_can_smash_everything[] =
2707   {
2708     EL_ROCK,
2709     EL_BD_ROCK,
2710     EL_SP_ZONK,
2711
2712     -1
2713   };
2714
2715   static int ep_explodes_by_fire[] =
2716   {
2717     /* same elements as in 'ep_explodes_impact' */
2718     EL_BOMB,
2719     EL_SP_DISK_ORANGE,
2720     EL_DX_SUPABOMB,
2721
2722     /* same elements as in 'ep_explodes_smashed' */
2723     EL_SATELLITE,
2724     EL_PIG,
2725     EL_DRAGON,
2726     EL_MOLE,
2727
2728     /* new elements */
2729     EL_DYNAMITE,
2730     EL_DYNAMITE_ACTIVE,
2731     EL_EM_DYNAMITE,
2732     EL_EM_DYNAMITE_ACTIVE,
2733     EL_DYNABOMB_PLAYER_1_ACTIVE,
2734     EL_DYNABOMB_PLAYER_2_ACTIVE,
2735     EL_DYNABOMB_PLAYER_3_ACTIVE,
2736     EL_DYNABOMB_PLAYER_4_ACTIVE,
2737     EL_DYNABOMB_INCREASE_NUMBER,
2738     EL_DYNABOMB_INCREASE_SIZE,
2739     EL_DYNABOMB_INCREASE_POWER,
2740     EL_SP_DISK_RED_ACTIVE,
2741     EL_BUG,
2742     EL_PENGUIN,
2743     EL_SP_DISK_RED,
2744     EL_SP_DISK_YELLOW,
2745     EL_SP_SNIKSNAK,
2746     EL_SP_ELECTRON,
2747 #if 0
2748     EL_BLACK_ORB,
2749 #endif
2750
2751     -1
2752   };
2753
2754   static int ep_explodes_smashed[] =
2755   {
2756     /* same elements as in 'ep_explodes_impact' */
2757     EL_BOMB,
2758     EL_SP_DISK_ORANGE,
2759     EL_DX_SUPABOMB,
2760
2761     /* new elements */
2762     EL_SATELLITE,
2763     EL_PIG,
2764     EL_DRAGON,
2765     EL_MOLE,
2766
2767     -1
2768   };
2769
2770   static int ep_explodes_impact[] =
2771   {
2772     EL_BOMB,
2773     EL_SP_DISK_ORANGE,
2774     EL_DX_SUPABOMB,
2775
2776     -1
2777   };
2778
2779   static int ep_walkable_over[] =
2780   {
2781     EL_EMPTY_SPACE,
2782     EL_SP_EMPTY_SPACE,
2783     EL_SOKOBAN_FIELD_EMPTY,
2784     EL_EXIT_OPEN,
2785     EL_EM_EXIT_OPEN,
2786     EL_EM_EXIT_OPENING,
2787     EL_SP_EXIT_OPEN,
2788     EL_SP_EXIT_OPENING,
2789     EL_STEEL_EXIT_OPEN,
2790     EL_EM_STEEL_EXIT_OPEN,
2791     EL_EM_STEEL_EXIT_OPENING,
2792     EL_GATE_1,
2793     EL_GATE_2,
2794     EL_GATE_3,
2795     EL_GATE_4,
2796     EL_GATE_1_GRAY,
2797     EL_GATE_2_GRAY,
2798     EL_GATE_3_GRAY,
2799     EL_GATE_4_GRAY,
2800     EL_GATE_1_GRAY_ACTIVE,
2801     EL_GATE_2_GRAY_ACTIVE,
2802     EL_GATE_3_GRAY_ACTIVE,
2803     EL_GATE_4_GRAY_ACTIVE,
2804     EL_PENGUIN,
2805     EL_PIG,
2806     EL_DRAGON,
2807
2808     -1
2809   };
2810
2811   static int ep_walkable_inside[] =
2812   {
2813     EL_TUBE_ANY,
2814     EL_TUBE_VERTICAL,
2815     EL_TUBE_HORIZONTAL,
2816     EL_TUBE_VERTICAL_LEFT,
2817     EL_TUBE_VERTICAL_RIGHT,
2818     EL_TUBE_HORIZONTAL_UP,
2819     EL_TUBE_HORIZONTAL_DOWN,
2820     EL_TUBE_LEFT_UP,
2821     EL_TUBE_LEFT_DOWN,
2822     EL_TUBE_RIGHT_UP,
2823     EL_TUBE_RIGHT_DOWN,
2824
2825     -1
2826   };
2827
2828   static int ep_walkable_under[] =
2829   {
2830     -1
2831   };
2832
2833   static int ep_passable_over[] =
2834   {
2835     EL_EM_GATE_1,
2836     EL_EM_GATE_2,
2837     EL_EM_GATE_3,
2838     EL_EM_GATE_4,
2839     EL_EM_GATE_1_GRAY,
2840     EL_EM_GATE_2_GRAY,
2841     EL_EM_GATE_3_GRAY,
2842     EL_EM_GATE_4_GRAY,
2843     EL_EM_GATE_1_GRAY_ACTIVE,
2844     EL_EM_GATE_2_GRAY_ACTIVE,
2845     EL_EM_GATE_3_GRAY_ACTIVE,
2846     EL_EM_GATE_4_GRAY_ACTIVE,
2847     EL_EMC_GATE_5,
2848     EL_EMC_GATE_6,
2849     EL_EMC_GATE_7,
2850     EL_EMC_GATE_8,
2851     EL_EMC_GATE_5_GRAY,
2852     EL_EMC_GATE_6_GRAY,
2853     EL_EMC_GATE_7_GRAY,
2854     EL_EMC_GATE_8_GRAY,
2855     EL_EMC_GATE_5_GRAY_ACTIVE,
2856     EL_EMC_GATE_6_GRAY_ACTIVE,
2857     EL_EMC_GATE_7_GRAY_ACTIVE,
2858     EL_EMC_GATE_8_GRAY_ACTIVE,
2859     EL_DC_GATE_WHITE,
2860     EL_DC_GATE_WHITE_GRAY,
2861     EL_DC_GATE_WHITE_GRAY_ACTIVE,
2862     EL_SWITCHGATE_OPEN,
2863     EL_TIMEGATE_OPEN,
2864
2865     -1
2866   };
2867
2868   static int ep_passable_inside[] =
2869   {
2870     EL_SP_PORT_LEFT,
2871     EL_SP_PORT_RIGHT,
2872     EL_SP_PORT_UP,
2873     EL_SP_PORT_DOWN,
2874     EL_SP_PORT_HORIZONTAL,
2875     EL_SP_PORT_VERTICAL,
2876     EL_SP_PORT_ANY,
2877     EL_SP_GRAVITY_PORT_LEFT,
2878     EL_SP_GRAVITY_PORT_RIGHT,
2879     EL_SP_GRAVITY_PORT_UP,
2880     EL_SP_GRAVITY_PORT_DOWN,
2881     EL_SP_GRAVITY_ON_PORT_LEFT,
2882     EL_SP_GRAVITY_ON_PORT_RIGHT,
2883     EL_SP_GRAVITY_ON_PORT_UP,
2884     EL_SP_GRAVITY_ON_PORT_DOWN,
2885     EL_SP_GRAVITY_OFF_PORT_LEFT,
2886     EL_SP_GRAVITY_OFF_PORT_RIGHT,
2887     EL_SP_GRAVITY_OFF_PORT_UP,
2888     EL_SP_GRAVITY_OFF_PORT_DOWN,
2889
2890     -1
2891   };
2892
2893   static int ep_passable_under[] =
2894   {
2895     -1
2896   };
2897
2898   static int ep_droppable[] =
2899   {
2900     -1
2901   };
2902
2903   static int ep_explodes_1x1_old[] =
2904   {
2905     -1
2906   };
2907
2908   static int ep_pushable[] =
2909   {
2910     EL_ROCK,
2911     EL_BOMB,
2912     EL_DX_SUPABOMB,
2913     EL_NUT,
2914     EL_TIME_ORB_EMPTY,
2915     EL_SP_ZONK,
2916     EL_SP_DISK_ORANGE,
2917     EL_SPRING,
2918     EL_BD_ROCK,
2919     EL_SOKOBAN_OBJECT,
2920     EL_SOKOBAN_FIELD_FULL,
2921     EL_SATELLITE,
2922     EL_SP_DISK_YELLOW,
2923     EL_BALLOON,
2924     EL_EMC_ANDROID,
2925
2926     -1
2927   };
2928
2929   static int ep_explodes_cross_old[] =
2930   {
2931     -1
2932   };
2933
2934   static int ep_protected[] =
2935   {
2936     /* same elements as in 'ep_walkable_inside' */
2937     EL_TUBE_ANY,
2938     EL_TUBE_VERTICAL,
2939     EL_TUBE_HORIZONTAL,
2940     EL_TUBE_VERTICAL_LEFT,
2941     EL_TUBE_VERTICAL_RIGHT,
2942     EL_TUBE_HORIZONTAL_UP,
2943     EL_TUBE_HORIZONTAL_DOWN,
2944     EL_TUBE_LEFT_UP,
2945     EL_TUBE_LEFT_DOWN,
2946     EL_TUBE_RIGHT_UP,
2947     EL_TUBE_RIGHT_DOWN,
2948
2949     /* same elements as in 'ep_passable_over' */
2950     EL_EM_GATE_1,
2951     EL_EM_GATE_2,
2952     EL_EM_GATE_3,
2953     EL_EM_GATE_4,
2954     EL_EM_GATE_1_GRAY,
2955     EL_EM_GATE_2_GRAY,
2956     EL_EM_GATE_3_GRAY,
2957     EL_EM_GATE_4_GRAY,
2958     EL_EM_GATE_1_GRAY_ACTIVE,
2959     EL_EM_GATE_2_GRAY_ACTIVE,
2960     EL_EM_GATE_3_GRAY_ACTIVE,
2961     EL_EM_GATE_4_GRAY_ACTIVE,
2962     EL_EMC_GATE_5,
2963     EL_EMC_GATE_6,
2964     EL_EMC_GATE_7,
2965     EL_EMC_GATE_8,
2966     EL_EMC_GATE_5_GRAY,
2967     EL_EMC_GATE_6_GRAY,
2968     EL_EMC_GATE_7_GRAY,
2969     EL_EMC_GATE_8_GRAY,
2970     EL_EMC_GATE_5_GRAY_ACTIVE,
2971     EL_EMC_GATE_6_GRAY_ACTIVE,
2972     EL_EMC_GATE_7_GRAY_ACTIVE,
2973     EL_EMC_GATE_8_GRAY_ACTIVE,
2974     EL_DC_GATE_WHITE,
2975     EL_DC_GATE_WHITE_GRAY,
2976     EL_DC_GATE_WHITE_GRAY_ACTIVE,
2977     EL_SWITCHGATE_OPEN,
2978     EL_TIMEGATE_OPEN,
2979
2980     /* same elements as in 'ep_passable_inside' */
2981     EL_SP_PORT_LEFT,
2982     EL_SP_PORT_RIGHT,
2983     EL_SP_PORT_UP,
2984     EL_SP_PORT_DOWN,
2985     EL_SP_PORT_HORIZONTAL,
2986     EL_SP_PORT_VERTICAL,
2987     EL_SP_PORT_ANY,
2988     EL_SP_GRAVITY_PORT_LEFT,
2989     EL_SP_GRAVITY_PORT_RIGHT,
2990     EL_SP_GRAVITY_PORT_UP,
2991     EL_SP_GRAVITY_PORT_DOWN,
2992     EL_SP_GRAVITY_ON_PORT_LEFT,
2993     EL_SP_GRAVITY_ON_PORT_RIGHT,
2994     EL_SP_GRAVITY_ON_PORT_UP,
2995     EL_SP_GRAVITY_ON_PORT_DOWN,
2996     EL_SP_GRAVITY_OFF_PORT_LEFT,
2997     EL_SP_GRAVITY_OFF_PORT_RIGHT,
2998     EL_SP_GRAVITY_OFF_PORT_UP,
2999     EL_SP_GRAVITY_OFF_PORT_DOWN,
3000
3001     -1
3002   };
3003
3004   static int ep_throwable[] =
3005   {
3006     -1
3007   };
3008
3009   static int ep_can_explode[] =
3010   {
3011     /* same elements as in 'ep_explodes_impact' */
3012     EL_BOMB,
3013     EL_SP_DISK_ORANGE,
3014     EL_DX_SUPABOMB,
3015
3016     /* same elements as in 'ep_explodes_smashed' */
3017     EL_SATELLITE,
3018     EL_PIG,
3019     EL_DRAGON,
3020     EL_MOLE,
3021
3022     /* elements that can explode by explosion or by dragonfire */
3023     EL_DYNAMITE,
3024     EL_DYNAMITE_ACTIVE,
3025     EL_EM_DYNAMITE,
3026     EL_EM_DYNAMITE_ACTIVE,
3027     EL_DYNABOMB_PLAYER_1_ACTIVE,
3028     EL_DYNABOMB_PLAYER_2_ACTIVE,
3029     EL_DYNABOMB_PLAYER_3_ACTIVE,
3030     EL_DYNABOMB_PLAYER_4_ACTIVE,
3031     EL_DYNABOMB_INCREASE_NUMBER,
3032     EL_DYNABOMB_INCREASE_SIZE,
3033     EL_DYNABOMB_INCREASE_POWER,
3034     EL_SP_DISK_RED_ACTIVE,
3035     EL_BUG,
3036     EL_PENGUIN,
3037     EL_SP_DISK_RED,
3038     EL_SP_DISK_YELLOW,
3039     EL_SP_SNIKSNAK,
3040     EL_SP_ELECTRON,
3041
3042     /* elements that can explode only by explosion */
3043     EL_BLACK_ORB,
3044
3045     -1
3046   };
3047
3048   static int ep_gravity_reachable[] =
3049   {
3050     EL_SAND,
3051     EL_SP_BASE,
3052     EL_TRAP,
3053     EL_INVISIBLE_SAND,
3054     EL_INVISIBLE_SAND_ACTIVE,
3055     EL_SP_PORT_LEFT,
3056     EL_SP_PORT_RIGHT,
3057     EL_SP_PORT_UP,
3058     EL_SP_PORT_DOWN,
3059     EL_SP_PORT_HORIZONTAL,
3060     EL_SP_PORT_VERTICAL,
3061     EL_SP_PORT_ANY,
3062     EL_SP_GRAVITY_PORT_LEFT,
3063     EL_SP_GRAVITY_PORT_RIGHT,
3064     EL_SP_GRAVITY_PORT_UP,
3065     EL_SP_GRAVITY_PORT_DOWN,
3066     EL_SP_GRAVITY_ON_PORT_LEFT,
3067     EL_SP_GRAVITY_ON_PORT_RIGHT,
3068     EL_SP_GRAVITY_ON_PORT_UP,
3069     EL_SP_GRAVITY_ON_PORT_DOWN,
3070     EL_SP_GRAVITY_OFF_PORT_LEFT,
3071     EL_SP_GRAVITY_OFF_PORT_RIGHT,
3072     EL_SP_GRAVITY_OFF_PORT_UP,
3073     EL_SP_GRAVITY_OFF_PORT_DOWN,
3074     EL_EMC_GRASS,
3075
3076     -1
3077   };
3078
3079   static int ep_player[] =
3080   {
3081     EL_PLAYER_1,
3082     EL_PLAYER_2,
3083     EL_PLAYER_3,
3084     EL_PLAYER_4,
3085     EL_SP_MURPHY,
3086     EL_SOKOBAN_FIELD_PLAYER,
3087     EL_TRIGGER_PLAYER,
3088
3089     -1
3090   };
3091
3092   static int ep_can_pass_magic_wall[] =
3093   {
3094     EL_ROCK,
3095     EL_BD_ROCK,
3096     EL_EMERALD,
3097     EL_BD_DIAMOND,
3098     EL_EMERALD_YELLOW,
3099     EL_EMERALD_RED,
3100     EL_EMERALD_PURPLE,
3101     EL_DIAMOND,
3102
3103     -1
3104   };
3105
3106   static int ep_can_pass_dc_magic_wall[] =
3107   {
3108     EL_ROCK,
3109     EL_BD_ROCK,
3110     EL_EMERALD,
3111     EL_BD_DIAMOND,
3112     EL_EMERALD_YELLOW,
3113     EL_EMERALD_RED,
3114     EL_EMERALD_PURPLE,
3115     EL_DIAMOND,
3116     EL_PEARL,
3117     EL_CRYSTAL,
3118
3119     -1
3120   };
3121
3122   static int ep_switchable[] =
3123   {
3124     EL_ROBOT_WHEEL,
3125     EL_SP_TERMINAL,
3126     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3127     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3128     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3129     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3130     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3131     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3132     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3133     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3134     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3135     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3136     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3137     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3138     EL_SWITCHGATE_SWITCH_UP,
3139     EL_SWITCHGATE_SWITCH_DOWN,
3140     EL_DC_SWITCHGATE_SWITCH_UP,
3141     EL_DC_SWITCHGATE_SWITCH_DOWN,
3142     EL_LIGHT_SWITCH,
3143     EL_LIGHT_SWITCH_ACTIVE,
3144     EL_TIMEGATE_SWITCH,
3145     EL_DC_TIMEGATE_SWITCH,
3146     EL_BALLOON_SWITCH_LEFT,
3147     EL_BALLOON_SWITCH_RIGHT,
3148     EL_BALLOON_SWITCH_UP,
3149     EL_BALLOON_SWITCH_DOWN,
3150     EL_BALLOON_SWITCH_ANY,
3151     EL_BALLOON_SWITCH_NONE,
3152     EL_LAMP,
3153     EL_TIME_ORB_FULL,
3154     EL_EMC_MAGIC_BALL_SWITCH,
3155     EL_EMC_MAGIC_BALL_SWITCH_ACTIVE,
3156
3157     -1
3158   };
3159
3160   static int ep_bd_element[] =
3161   {
3162     EL_EMPTY,
3163     EL_SAND,
3164     EL_WALL_SLIPPERY,
3165     EL_BD_WALL,
3166     EL_ROCK,
3167     EL_BD_ROCK,
3168     EL_BD_DIAMOND,
3169     EL_BD_MAGIC_WALL,
3170     EL_EXIT_CLOSED,
3171     EL_EXIT_OPEN,
3172     EL_STEELWALL,
3173     EL_PLAYER_1,
3174     EL_PLAYER_2,
3175     EL_PLAYER_3,
3176     EL_PLAYER_4,
3177     EL_BD_FIREFLY,
3178     EL_BD_FIREFLY_1,
3179     EL_BD_FIREFLY_2,
3180     EL_BD_FIREFLY_3,
3181     EL_BD_FIREFLY_4,
3182     EL_BD_BUTTERFLY,
3183     EL_BD_BUTTERFLY_1,
3184     EL_BD_BUTTERFLY_2,
3185     EL_BD_BUTTERFLY_3,
3186     EL_BD_BUTTERFLY_4,
3187     EL_BD_AMOEBA,
3188     EL_CHAR_QUESTION,
3189     EL_UNKNOWN,
3190
3191     -1
3192   };
3193
3194   static int ep_sp_element[] =
3195   {
3196     /* should always be valid */
3197     EL_EMPTY,
3198
3199     /* standard classic Supaplex elements */
3200     EL_SP_EMPTY,
3201     EL_SP_ZONK,
3202     EL_SP_BASE,
3203     EL_SP_MURPHY,
3204     EL_SP_INFOTRON,
3205     EL_SP_CHIP_SINGLE,
3206     EL_SP_HARDWARE_GRAY,
3207     EL_SP_EXIT_CLOSED,
3208     EL_SP_EXIT_OPEN,
3209     EL_SP_DISK_ORANGE,
3210     EL_SP_PORT_RIGHT,
3211     EL_SP_PORT_DOWN,
3212     EL_SP_PORT_LEFT,
3213     EL_SP_PORT_UP,
3214     EL_SP_GRAVITY_PORT_RIGHT,
3215     EL_SP_GRAVITY_PORT_DOWN,
3216     EL_SP_GRAVITY_PORT_LEFT,
3217     EL_SP_GRAVITY_PORT_UP,
3218     EL_SP_SNIKSNAK,
3219     EL_SP_DISK_YELLOW,
3220     EL_SP_TERMINAL,
3221     EL_SP_DISK_RED,
3222     EL_SP_PORT_VERTICAL,
3223     EL_SP_PORT_HORIZONTAL,
3224     EL_SP_PORT_ANY,
3225     EL_SP_ELECTRON,
3226     EL_SP_BUGGY_BASE,
3227     EL_SP_CHIP_LEFT,
3228     EL_SP_CHIP_RIGHT,
3229     EL_SP_HARDWARE_BASE_1,
3230     EL_SP_HARDWARE_GREEN,
3231     EL_SP_HARDWARE_BLUE,
3232     EL_SP_HARDWARE_RED,
3233     EL_SP_HARDWARE_YELLOW,
3234     EL_SP_HARDWARE_BASE_2,
3235     EL_SP_HARDWARE_BASE_3,
3236     EL_SP_HARDWARE_BASE_4,
3237     EL_SP_HARDWARE_BASE_5,
3238     EL_SP_HARDWARE_BASE_6,
3239     EL_SP_CHIP_TOP,
3240     EL_SP_CHIP_BOTTOM,
3241
3242     /* additional elements that appeared in newer Supaplex levels */
3243     EL_INVISIBLE_WALL,
3244
3245     /* additional gravity port elements (not switching, but setting gravity) */
3246     EL_SP_GRAVITY_ON_PORT_LEFT,
3247     EL_SP_GRAVITY_ON_PORT_RIGHT,
3248     EL_SP_GRAVITY_ON_PORT_UP,
3249     EL_SP_GRAVITY_ON_PORT_DOWN,
3250     EL_SP_GRAVITY_OFF_PORT_LEFT,
3251     EL_SP_GRAVITY_OFF_PORT_RIGHT,
3252     EL_SP_GRAVITY_OFF_PORT_UP,
3253     EL_SP_GRAVITY_OFF_PORT_DOWN,
3254
3255     /* more than one Murphy in a level results in an inactive clone */
3256     EL_SP_MURPHY_CLONE,
3257
3258     /* runtime Supaplex elements */
3259     EL_SP_DISK_RED_ACTIVE,
3260     EL_SP_TERMINAL_ACTIVE,
3261     EL_SP_BUGGY_BASE_ACTIVATING,
3262     EL_SP_BUGGY_BASE_ACTIVE,
3263     EL_SP_EXIT_OPENING,
3264     EL_SP_EXIT_CLOSING,
3265
3266     -1
3267   };
3268
3269   static int ep_sb_element[] =
3270   {
3271     EL_EMPTY,
3272     EL_STEELWALL,
3273     EL_SOKOBAN_OBJECT,
3274     EL_SOKOBAN_FIELD_EMPTY,
3275     EL_SOKOBAN_FIELD_FULL,
3276     EL_SOKOBAN_FIELD_PLAYER,
3277     EL_PLAYER_1,
3278     EL_PLAYER_2,
3279     EL_PLAYER_3,
3280     EL_PLAYER_4,
3281     EL_INVISIBLE_STEELWALL,
3282
3283     -1
3284   };
3285
3286   static int ep_gem[] =
3287   {
3288     EL_BD_DIAMOND,
3289     EL_EMERALD,
3290     EL_EMERALD_YELLOW,
3291     EL_EMERALD_RED,
3292     EL_EMERALD_PURPLE,
3293     EL_DIAMOND,
3294
3295     -1
3296   };
3297
3298   static int ep_food_dark_yamyam[] =
3299   {
3300     EL_SAND,
3301     EL_BUG,
3302     EL_SPACESHIP,
3303     EL_BD_BUTTERFLY,
3304     EL_BD_FIREFLY,
3305     EL_YAMYAM,
3306     EL_ROBOT,
3307     EL_PACMAN,
3308     EL_AMOEBA_DROP,
3309     EL_AMOEBA_DEAD,
3310     EL_AMOEBA_WET,
3311     EL_AMOEBA_DRY,
3312     EL_AMOEBA_FULL,
3313     EL_BD_AMOEBA,
3314     EL_EMERALD,
3315     EL_BD_DIAMOND,
3316     EL_EMERALD_YELLOW,
3317     EL_EMERALD_RED,
3318     EL_EMERALD_PURPLE,
3319     EL_DIAMOND,
3320     EL_PEARL,
3321     EL_CRYSTAL,
3322
3323     -1
3324   };
3325
3326   static int ep_food_penguin[] =
3327   {
3328     EL_EMERALD,
3329     EL_BD_DIAMOND,
3330     EL_EMERALD_YELLOW,
3331     EL_EMERALD_RED,
3332     EL_EMERALD_PURPLE,
3333     EL_DIAMOND,
3334     EL_PEARL,
3335     EL_CRYSTAL,
3336
3337     -1
3338   };
3339
3340   static int ep_food_pig[] =
3341   {
3342     EL_EMERALD,
3343     EL_BD_DIAMOND,
3344     EL_EMERALD_YELLOW,
3345     EL_EMERALD_RED,
3346     EL_EMERALD_PURPLE,
3347     EL_DIAMOND,
3348
3349     -1
3350   };
3351
3352   static int ep_historic_wall[] =
3353   {
3354     EL_STEELWALL,
3355     EL_GATE_1,
3356     EL_GATE_2,
3357     EL_GATE_3,
3358     EL_GATE_4,
3359     EL_GATE_1_GRAY,
3360     EL_GATE_2_GRAY,
3361     EL_GATE_3_GRAY,
3362     EL_GATE_4_GRAY,
3363     EL_GATE_1_GRAY_ACTIVE,
3364     EL_GATE_2_GRAY_ACTIVE,
3365     EL_GATE_3_GRAY_ACTIVE,
3366     EL_GATE_4_GRAY_ACTIVE,
3367     EL_EM_GATE_1,
3368     EL_EM_GATE_2,
3369     EL_EM_GATE_3,
3370     EL_EM_GATE_4,
3371     EL_EM_GATE_1_GRAY,
3372     EL_EM_GATE_2_GRAY,
3373     EL_EM_GATE_3_GRAY,
3374     EL_EM_GATE_4_GRAY,
3375     EL_EM_GATE_1_GRAY_ACTIVE,
3376     EL_EM_GATE_2_GRAY_ACTIVE,
3377     EL_EM_GATE_3_GRAY_ACTIVE,
3378     EL_EM_GATE_4_GRAY_ACTIVE,
3379     EL_EXIT_CLOSED,
3380     EL_EXIT_OPENING,
3381     EL_EXIT_OPEN,
3382     EL_WALL,
3383     EL_WALL_SLIPPERY,
3384     EL_EXPANDABLE_WALL,
3385     EL_EXPANDABLE_WALL_HORIZONTAL,
3386     EL_EXPANDABLE_WALL_VERTICAL,
3387     EL_EXPANDABLE_WALL_ANY,
3388     EL_EXPANDABLE_WALL_GROWING,
3389     EL_BD_EXPANDABLE_WALL,
3390     EL_BD_WALL,
3391     EL_SP_CHIP_SINGLE,
3392     EL_SP_CHIP_LEFT,
3393     EL_SP_CHIP_RIGHT,
3394     EL_SP_CHIP_TOP,
3395     EL_SP_CHIP_BOTTOM,
3396     EL_SP_HARDWARE_GRAY,
3397     EL_SP_HARDWARE_GREEN,
3398     EL_SP_HARDWARE_BLUE,
3399     EL_SP_HARDWARE_RED,
3400     EL_SP_HARDWARE_YELLOW,
3401     EL_SP_HARDWARE_BASE_1,
3402     EL_SP_HARDWARE_BASE_2,
3403     EL_SP_HARDWARE_BASE_3,
3404     EL_SP_HARDWARE_BASE_4,
3405     EL_SP_HARDWARE_BASE_5,
3406     EL_SP_HARDWARE_BASE_6,
3407     EL_SP_TERMINAL,
3408     EL_SP_TERMINAL_ACTIVE,
3409     EL_SP_EXIT_CLOSED,
3410     EL_SP_EXIT_OPEN,
3411     EL_INVISIBLE_STEELWALL,
3412     EL_INVISIBLE_STEELWALL_ACTIVE,
3413     EL_INVISIBLE_WALL,
3414     EL_INVISIBLE_WALL_ACTIVE,
3415     EL_STEELWALL_SLIPPERY,
3416     EL_EMC_STEELWALL_1,
3417     EL_EMC_STEELWALL_2,
3418     EL_EMC_STEELWALL_3,
3419     EL_EMC_STEELWALL_4,
3420     EL_EMC_WALL_1,
3421     EL_EMC_WALL_2,
3422     EL_EMC_WALL_3,
3423     EL_EMC_WALL_4,
3424     EL_EMC_WALL_5,
3425     EL_EMC_WALL_6,
3426     EL_EMC_WALL_7,
3427     EL_EMC_WALL_8,
3428
3429     -1
3430   };
3431
3432   static int ep_historic_solid[] =
3433   {
3434     EL_WALL,
3435     EL_EXPANDABLE_WALL,
3436     EL_EXPANDABLE_WALL_HORIZONTAL,
3437     EL_EXPANDABLE_WALL_VERTICAL,
3438     EL_EXPANDABLE_WALL_ANY,
3439     EL_BD_EXPANDABLE_WALL,
3440     EL_BD_WALL,
3441     EL_WALL_SLIPPERY,
3442     EL_EXIT_CLOSED,
3443     EL_EXIT_OPENING,
3444     EL_EXIT_OPEN,
3445     EL_AMOEBA_DEAD,
3446     EL_AMOEBA_WET,
3447     EL_AMOEBA_DRY,
3448     EL_AMOEBA_FULL,
3449     EL_BD_AMOEBA,
3450     EL_QUICKSAND_EMPTY,
3451     EL_QUICKSAND_FULL,
3452     EL_QUICKSAND_FILLING,
3453     EL_QUICKSAND_EMPTYING,
3454     EL_MAGIC_WALL,
3455     EL_MAGIC_WALL_ACTIVE,
3456     EL_MAGIC_WALL_EMPTYING,
3457     EL_MAGIC_WALL_FILLING,
3458     EL_MAGIC_WALL_FULL,
3459     EL_MAGIC_WALL_DEAD,
3460     EL_BD_MAGIC_WALL,
3461     EL_BD_MAGIC_WALL_ACTIVE,
3462     EL_BD_MAGIC_WALL_EMPTYING,
3463     EL_BD_MAGIC_WALL_FULL,
3464     EL_BD_MAGIC_WALL_FILLING,
3465     EL_BD_MAGIC_WALL_DEAD,
3466     EL_GAME_OF_LIFE,
3467     EL_BIOMAZE,
3468     EL_SP_CHIP_SINGLE,
3469     EL_SP_CHIP_LEFT,
3470     EL_SP_CHIP_RIGHT,
3471     EL_SP_CHIP_TOP,
3472     EL_SP_CHIP_BOTTOM,
3473     EL_SP_TERMINAL,
3474     EL_SP_TERMINAL_ACTIVE,
3475     EL_SP_EXIT_CLOSED,
3476     EL_SP_EXIT_OPEN,
3477     EL_INVISIBLE_WALL,
3478     EL_INVISIBLE_WALL_ACTIVE,
3479     EL_SWITCHGATE_SWITCH_UP,
3480     EL_SWITCHGATE_SWITCH_DOWN,
3481     EL_DC_SWITCHGATE_SWITCH_UP,
3482     EL_DC_SWITCHGATE_SWITCH_DOWN,
3483     EL_TIMEGATE_SWITCH,
3484     EL_TIMEGATE_SWITCH_ACTIVE,
3485     EL_DC_TIMEGATE_SWITCH,
3486     EL_DC_TIMEGATE_SWITCH_ACTIVE,
3487     EL_EMC_WALL_1,
3488     EL_EMC_WALL_2,
3489     EL_EMC_WALL_3,
3490     EL_EMC_WALL_4,
3491     EL_EMC_WALL_5,
3492     EL_EMC_WALL_6,
3493     EL_EMC_WALL_7,
3494     EL_EMC_WALL_8,
3495     EL_WALL_PEARL,
3496     EL_WALL_CRYSTAL,
3497
3498     /* the following elements are a direct copy of "indestructible" elements,
3499        except "EL_ACID", which is "indestructible", but not "solid"! */
3500 #if 0
3501     EL_ACID,
3502 #endif
3503     EL_STEELWALL,
3504     EL_ACID_POOL_TOPLEFT,
3505     EL_ACID_POOL_TOPRIGHT,
3506     EL_ACID_POOL_BOTTOMLEFT,
3507     EL_ACID_POOL_BOTTOM,
3508     EL_ACID_POOL_BOTTOMRIGHT,
3509     EL_SP_HARDWARE_GRAY,
3510     EL_SP_HARDWARE_GREEN,
3511     EL_SP_HARDWARE_BLUE,
3512     EL_SP_HARDWARE_RED,
3513     EL_SP_HARDWARE_YELLOW,
3514     EL_SP_HARDWARE_BASE_1,
3515     EL_SP_HARDWARE_BASE_2,
3516     EL_SP_HARDWARE_BASE_3,
3517     EL_SP_HARDWARE_BASE_4,
3518     EL_SP_HARDWARE_BASE_5,
3519     EL_SP_HARDWARE_BASE_6,
3520     EL_INVISIBLE_STEELWALL,
3521     EL_INVISIBLE_STEELWALL_ACTIVE,
3522     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3523     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3524     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3525     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3526     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3527     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3528     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3529     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3530     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3531     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3532     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3533     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3534     EL_LIGHT_SWITCH,
3535     EL_LIGHT_SWITCH_ACTIVE,
3536     EL_SIGN_EXCLAMATION,
3537     EL_SIGN_RADIOACTIVITY,
3538     EL_SIGN_STOP,
3539     EL_SIGN_WHEELCHAIR,
3540     EL_SIGN_PARKING,
3541     EL_SIGN_NO_ENTRY,
3542     EL_SIGN_UNUSED_1,
3543     EL_SIGN_GIVE_WAY,
3544     EL_SIGN_ENTRY_FORBIDDEN,
3545     EL_SIGN_EMERGENCY_EXIT,
3546     EL_SIGN_YIN_YANG,
3547     EL_SIGN_UNUSED_2,
3548     EL_SIGN_SPERMS,
3549     EL_SIGN_BULLET,
3550     EL_SIGN_HEART,
3551     EL_SIGN_CROSS,
3552     EL_SIGN_FRANKIE,
3553     EL_STEEL_EXIT_CLOSED,
3554     EL_STEEL_EXIT_OPEN,
3555     EL_DC_STEELWALL_1_LEFT,
3556     EL_DC_STEELWALL_1_RIGHT,
3557     EL_DC_STEELWALL_1_TOP,
3558     EL_DC_STEELWALL_1_BOTTOM,
3559     EL_DC_STEELWALL_1_HORIZONTAL,
3560     EL_DC_STEELWALL_1_VERTICAL,
3561     EL_DC_STEELWALL_1_TOPLEFT,
3562     EL_DC_STEELWALL_1_TOPRIGHT,
3563     EL_DC_STEELWALL_1_BOTTOMLEFT,
3564     EL_DC_STEELWALL_1_BOTTOMRIGHT,
3565     EL_DC_STEELWALL_1_TOPLEFT_2,
3566     EL_DC_STEELWALL_1_TOPRIGHT_2,
3567     EL_DC_STEELWALL_1_BOTTOMLEFT_2,
3568     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
3569     EL_DC_STEELWALL_2_LEFT,
3570     EL_DC_STEELWALL_2_RIGHT,
3571     EL_DC_STEELWALL_2_TOP,
3572     EL_DC_STEELWALL_2_BOTTOM,
3573     EL_DC_STEELWALL_2_HORIZONTAL,
3574     EL_DC_STEELWALL_2_VERTICAL,
3575     EL_DC_STEELWALL_2_MIDDLE,
3576     EL_DC_STEELWALL_2_SINGLE,
3577     EL_STEELWALL_SLIPPERY,
3578     EL_EMC_STEELWALL_1,
3579     EL_EMC_STEELWALL_2,
3580     EL_EMC_STEELWALL_3,
3581     EL_EMC_STEELWALL_4,
3582     EL_CRYSTAL,
3583     EL_GATE_1,
3584     EL_GATE_2,
3585     EL_GATE_3,
3586     EL_GATE_4,
3587     EL_GATE_1_GRAY,
3588     EL_GATE_2_GRAY,
3589     EL_GATE_3_GRAY,
3590     EL_GATE_4_GRAY,
3591     EL_GATE_1_GRAY_ACTIVE,
3592     EL_GATE_2_GRAY_ACTIVE,
3593     EL_GATE_3_GRAY_ACTIVE,
3594     EL_GATE_4_GRAY_ACTIVE,
3595     EL_EM_GATE_1,
3596     EL_EM_GATE_2,
3597     EL_EM_GATE_3,
3598     EL_EM_GATE_4,
3599     EL_EM_GATE_1_GRAY,
3600     EL_EM_GATE_2_GRAY,
3601     EL_EM_GATE_3_GRAY,
3602     EL_EM_GATE_4_GRAY,
3603     EL_EM_GATE_1_GRAY_ACTIVE,
3604     EL_EM_GATE_2_GRAY_ACTIVE,
3605     EL_EM_GATE_3_GRAY_ACTIVE,
3606     EL_EM_GATE_4_GRAY_ACTIVE,
3607     EL_SWITCHGATE_OPEN,
3608     EL_SWITCHGATE_OPENING,
3609     EL_SWITCHGATE_CLOSED,
3610     EL_SWITCHGATE_CLOSING,
3611     EL_TIMEGATE_OPEN,
3612     EL_TIMEGATE_OPENING,
3613     EL_TIMEGATE_CLOSED,
3614     EL_TIMEGATE_CLOSING,
3615     EL_TUBE_ANY,
3616     EL_TUBE_VERTICAL,
3617     EL_TUBE_HORIZONTAL,
3618     EL_TUBE_VERTICAL_LEFT,
3619     EL_TUBE_VERTICAL_RIGHT,
3620     EL_TUBE_HORIZONTAL_UP,
3621     EL_TUBE_HORIZONTAL_DOWN,
3622     EL_TUBE_LEFT_UP,
3623     EL_TUBE_LEFT_DOWN,
3624     EL_TUBE_RIGHT_UP,
3625     EL_TUBE_RIGHT_DOWN,
3626
3627     -1
3628   };
3629
3630   static int ep_classic_enemy[] =
3631   {
3632     EL_BUG,
3633     EL_SPACESHIP,
3634     EL_BD_BUTTERFLY,
3635     EL_BD_FIREFLY,
3636
3637     EL_YAMYAM,
3638     EL_DARK_YAMYAM,
3639     EL_ROBOT,
3640     EL_PACMAN,
3641     EL_SP_SNIKSNAK,
3642     EL_SP_ELECTRON,
3643
3644     -1
3645   };
3646
3647   static int ep_belt[] =
3648   {
3649     EL_CONVEYOR_BELT_1_LEFT,
3650     EL_CONVEYOR_BELT_1_MIDDLE,
3651     EL_CONVEYOR_BELT_1_RIGHT,
3652     EL_CONVEYOR_BELT_2_LEFT,
3653     EL_CONVEYOR_BELT_2_MIDDLE,
3654     EL_CONVEYOR_BELT_2_RIGHT,
3655     EL_CONVEYOR_BELT_3_LEFT,
3656     EL_CONVEYOR_BELT_3_MIDDLE,
3657     EL_CONVEYOR_BELT_3_RIGHT,
3658     EL_CONVEYOR_BELT_4_LEFT,
3659     EL_CONVEYOR_BELT_4_MIDDLE,
3660     EL_CONVEYOR_BELT_4_RIGHT,
3661
3662     -1
3663   };
3664
3665   static int ep_belt_active[] =
3666   {
3667     EL_CONVEYOR_BELT_1_LEFT_ACTIVE,
3668     EL_CONVEYOR_BELT_1_MIDDLE_ACTIVE,
3669     EL_CONVEYOR_BELT_1_RIGHT_ACTIVE,
3670     EL_CONVEYOR_BELT_2_LEFT_ACTIVE,
3671     EL_CONVEYOR_BELT_2_MIDDLE_ACTIVE,
3672     EL_CONVEYOR_BELT_2_RIGHT_ACTIVE,
3673     EL_CONVEYOR_BELT_3_LEFT_ACTIVE,
3674     EL_CONVEYOR_BELT_3_MIDDLE_ACTIVE,
3675     EL_CONVEYOR_BELT_3_RIGHT_ACTIVE,
3676     EL_CONVEYOR_BELT_4_LEFT_ACTIVE,
3677     EL_CONVEYOR_BELT_4_MIDDLE_ACTIVE,
3678     EL_CONVEYOR_BELT_4_RIGHT_ACTIVE,
3679
3680     -1
3681   };
3682
3683   static int ep_belt_switch[] =
3684   {
3685     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3686     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3687     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3688     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3689     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3690     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3691     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3692     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3693     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3694     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3695     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3696     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3697
3698     -1
3699   };
3700
3701   static int ep_tube[] =
3702   {
3703     EL_TUBE_LEFT_UP,
3704     EL_TUBE_LEFT_DOWN,
3705     EL_TUBE_RIGHT_UP,
3706     EL_TUBE_RIGHT_DOWN,
3707     EL_TUBE_HORIZONTAL,
3708     EL_TUBE_HORIZONTAL_UP,
3709     EL_TUBE_HORIZONTAL_DOWN,
3710     EL_TUBE_VERTICAL,
3711     EL_TUBE_VERTICAL_LEFT,
3712     EL_TUBE_VERTICAL_RIGHT,
3713     EL_TUBE_ANY,
3714
3715     -1
3716   };
3717
3718   static int ep_acid_pool[] =
3719   {
3720     EL_ACID_POOL_TOPLEFT,
3721     EL_ACID_POOL_TOPRIGHT,
3722     EL_ACID_POOL_BOTTOMLEFT,
3723     EL_ACID_POOL_BOTTOM,
3724     EL_ACID_POOL_BOTTOMRIGHT,
3725
3726     -1
3727   };
3728
3729   static int ep_keygate[] =
3730   {
3731     EL_GATE_1,
3732     EL_GATE_2,
3733     EL_GATE_3,
3734     EL_GATE_4,
3735     EL_GATE_1_GRAY,
3736     EL_GATE_2_GRAY,
3737     EL_GATE_3_GRAY,
3738     EL_GATE_4_GRAY,
3739     EL_GATE_1_GRAY_ACTIVE,
3740     EL_GATE_2_GRAY_ACTIVE,
3741     EL_GATE_3_GRAY_ACTIVE,
3742     EL_GATE_4_GRAY_ACTIVE,
3743     EL_EM_GATE_1,
3744     EL_EM_GATE_2,
3745     EL_EM_GATE_3,
3746     EL_EM_GATE_4,
3747     EL_EM_GATE_1_GRAY,
3748     EL_EM_GATE_2_GRAY,
3749     EL_EM_GATE_3_GRAY,
3750     EL_EM_GATE_4_GRAY,
3751     EL_EM_GATE_1_GRAY_ACTIVE,
3752     EL_EM_GATE_2_GRAY_ACTIVE,
3753     EL_EM_GATE_3_GRAY_ACTIVE,
3754     EL_EM_GATE_4_GRAY_ACTIVE,
3755     EL_EMC_GATE_5,
3756     EL_EMC_GATE_6,
3757     EL_EMC_GATE_7,
3758     EL_EMC_GATE_8,
3759     EL_EMC_GATE_5_GRAY,
3760     EL_EMC_GATE_6_GRAY,
3761     EL_EMC_GATE_7_GRAY,
3762     EL_EMC_GATE_8_GRAY,
3763     EL_EMC_GATE_5_GRAY_ACTIVE,
3764     EL_EMC_GATE_6_GRAY_ACTIVE,
3765     EL_EMC_GATE_7_GRAY_ACTIVE,
3766     EL_EMC_GATE_8_GRAY_ACTIVE,
3767     EL_DC_GATE_WHITE,
3768     EL_DC_GATE_WHITE_GRAY,
3769     EL_DC_GATE_WHITE_GRAY_ACTIVE,
3770
3771     -1
3772   };
3773
3774   static int ep_amoeboid[] =
3775   {
3776     EL_AMOEBA_DEAD,
3777     EL_AMOEBA_WET,
3778     EL_AMOEBA_DRY,
3779     EL_AMOEBA_FULL,
3780     EL_BD_AMOEBA,
3781     EL_EMC_DRIPPER,
3782
3783     -1
3784   };
3785
3786   static int ep_amoebalive[] =
3787   {
3788     EL_AMOEBA_WET,
3789     EL_AMOEBA_DRY,
3790     EL_AMOEBA_FULL,
3791     EL_BD_AMOEBA,
3792     EL_EMC_DRIPPER,
3793
3794     -1
3795   };
3796
3797   static int ep_has_editor_content[] =
3798   {
3799     EL_PLAYER_1,
3800     EL_PLAYER_2,
3801     EL_PLAYER_3,
3802     EL_PLAYER_4,
3803     EL_SOKOBAN_FIELD_PLAYER,
3804     EL_SP_MURPHY,
3805     EL_YAMYAM,
3806     EL_YAMYAM_LEFT,
3807     EL_YAMYAM_RIGHT,
3808     EL_YAMYAM_UP,
3809     EL_YAMYAM_DOWN,
3810     EL_AMOEBA_WET,
3811     EL_AMOEBA_DRY,
3812     EL_AMOEBA_FULL,
3813     EL_BD_AMOEBA,
3814     EL_EMC_MAGIC_BALL,
3815     EL_EMC_ANDROID,
3816
3817     -1
3818   };
3819
3820   static int ep_can_turn_each_move[] =
3821   {
3822     /* !!! do something with this one !!! */
3823     -1
3824   };
3825
3826   static int ep_can_grow[] =
3827   {
3828     EL_BD_AMOEBA,
3829     EL_AMOEBA_DROP,
3830     EL_AMOEBA_WET,
3831     EL_AMOEBA_DRY,
3832     EL_AMOEBA_FULL,
3833     EL_GAME_OF_LIFE,
3834     EL_BIOMAZE,
3835     EL_EMC_DRIPPER,
3836
3837     -1
3838   };
3839
3840   static int ep_active_bomb[] =
3841   {
3842     EL_DYNAMITE_ACTIVE,
3843     EL_EM_DYNAMITE_ACTIVE,
3844     EL_DYNABOMB_PLAYER_1_ACTIVE,
3845     EL_DYNABOMB_PLAYER_2_ACTIVE,
3846     EL_DYNABOMB_PLAYER_3_ACTIVE,
3847     EL_DYNABOMB_PLAYER_4_ACTIVE,
3848     EL_SP_DISK_RED_ACTIVE,
3849
3850     -1
3851   };
3852
3853   static int ep_inactive[] =
3854   {
3855     EL_EMPTY,
3856     EL_SAND,
3857     EL_WALL,
3858     EL_BD_WALL,
3859     EL_WALL_SLIPPERY,
3860     EL_STEELWALL,
3861     EL_AMOEBA_DEAD,
3862     EL_QUICKSAND_EMPTY,
3863     EL_QUICKSAND_FAST_EMPTY,
3864     EL_STONEBLOCK,
3865     EL_ROBOT_WHEEL,
3866     EL_KEY_1,
3867     EL_KEY_2,
3868     EL_KEY_3,
3869     EL_KEY_4,
3870     EL_EM_KEY_1,
3871     EL_EM_KEY_2,
3872     EL_EM_KEY_3,
3873     EL_EM_KEY_4,
3874     EL_EMC_KEY_5,
3875     EL_EMC_KEY_6,
3876     EL_EMC_KEY_7,
3877     EL_EMC_KEY_8,
3878     EL_GATE_1,
3879     EL_GATE_2,
3880     EL_GATE_3,
3881     EL_GATE_4,
3882     EL_GATE_1_GRAY,
3883     EL_GATE_2_GRAY,
3884     EL_GATE_3_GRAY,
3885     EL_GATE_4_GRAY,
3886     EL_GATE_1_GRAY_ACTIVE,
3887     EL_GATE_2_GRAY_ACTIVE,
3888     EL_GATE_3_GRAY_ACTIVE,
3889     EL_GATE_4_GRAY_ACTIVE,
3890     EL_EM_GATE_1,
3891     EL_EM_GATE_2,
3892     EL_EM_GATE_3,
3893     EL_EM_GATE_4,
3894     EL_EM_GATE_1_GRAY,
3895     EL_EM_GATE_2_GRAY,
3896     EL_EM_GATE_3_GRAY,
3897     EL_EM_GATE_4_GRAY,
3898     EL_EM_GATE_1_GRAY_ACTIVE,
3899     EL_EM_GATE_2_GRAY_ACTIVE,
3900     EL_EM_GATE_3_GRAY_ACTIVE,
3901     EL_EM_GATE_4_GRAY_ACTIVE,
3902     EL_EMC_GATE_5,
3903     EL_EMC_GATE_6,
3904     EL_EMC_GATE_7,
3905     EL_EMC_GATE_8,
3906     EL_EMC_GATE_5_GRAY,
3907     EL_EMC_GATE_6_GRAY,
3908     EL_EMC_GATE_7_GRAY,
3909     EL_EMC_GATE_8_GRAY,
3910     EL_EMC_GATE_5_GRAY_ACTIVE,
3911     EL_EMC_GATE_6_GRAY_ACTIVE,
3912     EL_EMC_GATE_7_GRAY_ACTIVE,
3913     EL_EMC_GATE_8_GRAY_ACTIVE,
3914     EL_DC_GATE_WHITE,
3915     EL_DC_GATE_WHITE_GRAY,
3916     EL_DC_GATE_WHITE_GRAY_ACTIVE,
3917     EL_DC_GATE_FAKE_GRAY,
3918     EL_DYNAMITE,
3919     EL_EM_DYNAMITE,
3920     EL_INVISIBLE_STEELWALL,
3921     EL_INVISIBLE_WALL,
3922     EL_INVISIBLE_SAND,
3923     EL_LAMP,
3924     EL_LAMP_ACTIVE,
3925     EL_WALL_EMERALD,
3926     EL_WALL_DIAMOND,
3927     EL_WALL_BD_DIAMOND,
3928     EL_WALL_EMERALD_YELLOW,
3929     EL_DYNABOMB_INCREASE_NUMBER,
3930     EL_DYNABOMB_INCREASE_SIZE,
3931     EL_DYNABOMB_INCREASE_POWER,
3932 #if 0
3933     EL_SOKOBAN_OBJECT,
3934 #endif
3935     EL_SOKOBAN_FIELD_EMPTY,
3936     EL_SOKOBAN_FIELD_FULL,
3937     EL_WALL_EMERALD_RED,
3938     EL_WALL_EMERALD_PURPLE,
3939     EL_ACID_POOL_TOPLEFT,
3940     EL_ACID_POOL_TOPRIGHT,
3941     EL_ACID_POOL_BOTTOMLEFT,
3942     EL_ACID_POOL_BOTTOM,
3943     EL_ACID_POOL_BOTTOMRIGHT,
3944     EL_MAGIC_WALL,
3945     EL_MAGIC_WALL_DEAD,
3946     EL_BD_MAGIC_WALL,
3947     EL_BD_MAGIC_WALL_DEAD,
3948     EL_DC_MAGIC_WALL,
3949     EL_DC_MAGIC_WALL_DEAD,
3950     EL_AMOEBA_TO_DIAMOND,
3951     EL_BLOCKED,
3952     EL_SP_EMPTY,
3953     EL_SP_BASE,
3954     EL_SP_PORT_RIGHT,
3955     EL_SP_PORT_DOWN,
3956     EL_SP_PORT_LEFT,
3957     EL_SP_PORT_UP,
3958     EL_SP_GRAVITY_PORT_RIGHT,
3959     EL_SP_GRAVITY_PORT_DOWN,
3960     EL_SP_GRAVITY_PORT_LEFT,
3961     EL_SP_GRAVITY_PORT_UP,
3962     EL_SP_PORT_HORIZONTAL,
3963     EL_SP_PORT_VERTICAL,
3964     EL_SP_PORT_ANY,
3965     EL_SP_DISK_RED,
3966 #if 0
3967     EL_SP_DISK_YELLOW,
3968 #endif
3969     EL_SP_CHIP_SINGLE,
3970     EL_SP_CHIP_LEFT,
3971     EL_SP_CHIP_RIGHT,
3972     EL_SP_CHIP_TOP,
3973     EL_SP_CHIP_BOTTOM,
3974     EL_SP_HARDWARE_GRAY,
3975     EL_SP_HARDWARE_GREEN,
3976     EL_SP_HARDWARE_BLUE,
3977     EL_SP_HARDWARE_RED,
3978     EL_SP_HARDWARE_YELLOW,
3979     EL_SP_HARDWARE_BASE_1,
3980     EL_SP_HARDWARE_BASE_2,
3981     EL_SP_HARDWARE_BASE_3,
3982     EL_SP_HARDWARE_BASE_4,
3983     EL_SP_HARDWARE_BASE_5,
3984     EL_SP_HARDWARE_BASE_6,
3985     EL_SP_GRAVITY_ON_PORT_LEFT,
3986     EL_SP_GRAVITY_ON_PORT_RIGHT,
3987     EL_SP_GRAVITY_ON_PORT_UP,
3988     EL_SP_GRAVITY_ON_PORT_DOWN,
3989     EL_SP_GRAVITY_OFF_PORT_LEFT,
3990     EL_SP_GRAVITY_OFF_PORT_RIGHT,
3991     EL_SP_GRAVITY_OFF_PORT_UP,
3992     EL_SP_GRAVITY_OFF_PORT_DOWN,
3993     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3994     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3995     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3996     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3997     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3998     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3999     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4000     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4001     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4002     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4003     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4004     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4005     EL_SIGN_EXCLAMATION,
4006     EL_SIGN_RADIOACTIVITY,
4007     EL_SIGN_STOP,
4008     EL_SIGN_WHEELCHAIR,
4009     EL_SIGN_PARKING,
4010     EL_SIGN_NO_ENTRY,
4011     EL_SIGN_UNUSED_1,
4012     EL_SIGN_GIVE_WAY,
4013     EL_SIGN_ENTRY_FORBIDDEN,
4014     EL_SIGN_EMERGENCY_EXIT,
4015     EL_SIGN_YIN_YANG,
4016     EL_SIGN_UNUSED_2,
4017     EL_SIGN_SPERMS,
4018     EL_SIGN_BULLET,
4019     EL_SIGN_HEART,
4020     EL_SIGN_CROSS,
4021     EL_SIGN_FRANKIE,
4022     EL_DC_STEELWALL_1_LEFT,
4023     EL_DC_STEELWALL_1_RIGHT,
4024     EL_DC_STEELWALL_1_TOP,
4025     EL_DC_STEELWALL_1_BOTTOM,
4026     EL_DC_STEELWALL_1_HORIZONTAL,
4027     EL_DC_STEELWALL_1_VERTICAL,
4028     EL_DC_STEELWALL_1_TOPLEFT,
4029     EL_DC_STEELWALL_1_TOPRIGHT,
4030     EL_DC_STEELWALL_1_BOTTOMLEFT,
4031     EL_DC_STEELWALL_1_BOTTOMRIGHT,
4032     EL_DC_STEELWALL_1_TOPLEFT_2,
4033     EL_DC_STEELWALL_1_TOPRIGHT_2,
4034     EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4035     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4036     EL_DC_STEELWALL_2_LEFT,
4037     EL_DC_STEELWALL_2_RIGHT,
4038     EL_DC_STEELWALL_2_TOP,
4039     EL_DC_STEELWALL_2_BOTTOM,
4040     EL_DC_STEELWALL_2_HORIZONTAL,
4041     EL_DC_STEELWALL_2_VERTICAL,
4042     EL_DC_STEELWALL_2_MIDDLE,
4043     EL_DC_STEELWALL_2_SINGLE,
4044     EL_STEELWALL_SLIPPERY,
4045     EL_EMC_STEELWALL_1,
4046     EL_EMC_STEELWALL_2,
4047     EL_EMC_STEELWALL_3,
4048     EL_EMC_STEELWALL_4,
4049     EL_EMC_WALL_SLIPPERY_1,
4050     EL_EMC_WALL_SLIPPERY_2,
4051     EL_EMC_WALL_SLIPPERY_3,
4052     EL_EMC_WALL_SLIPPERY_4,
4053     EL_EMC_WALL_1,
4054     EL_EMC_WALL_2,
4055     EL_EMC_WALL_3,
4056     EL_EMC_WALL_4,
4057     EL_EMC_WALL_5,
4058     EL_EMC_WALL_6,
4059     EL_EMC_WALL_7,
4060     EL_EMC_WALL_8,
4061     EL_EMC_WALL_9,
4062     EL_EMC_WALL_10,
4063     EL_EMC_WALL_11,
4064     EL_EMC_WALL_12,
4065     EL_EMC_WALL_13,
4066     EL_EMC_WALL_14,
4067     EL_EMC_WALL_15,
4068     EL_EMC_WALL_16,
4069
4070     -1
4071   };
4072
4073   static int ep_em_slippery_wall[] =
4074   {
4075     -1
4076   };
4077
4078   static int ep_gfx_crumbled[] =
4079   {
4080     EL_SAND,
4081     EL_LANDMINE,
4082     EL_DC_LANDMINE,
4083     EL_TRAP,
4084     EL_TRAP_ACTIVE,
4085
4086     -1
4087   };
4088
4089   static int ep_editor_cascade_active[] =
4090   {
4091     EL_INTERNAL_CASCADE_BD_ACTIVE,
4092     EL_INTERNAL_CASCADE_EM_ACTIVE,
4093     EL_INTERNAL_CASCADE_EMC_ACTIVE,
4094     EL_INTERNAL_CASCADE_RND_ACTIVE,
4095     EL_INTERNAL_CASCADE_SB_ACTIVE,
4096     EL_INTERNAL_CASCADE_SP_ACTIVE,
4097     EL_INTERNAL_CASCADE_DC_ACTIVE,
4098     EL_INTERNAL_CASCADE_DX_ACTIVE,
4099     EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4100     EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4101     EL_INTERNAL_CASCADE_CE_ACTIVE,
4102     EL_INTERNAL_CASCADE_GE_ACTIVE,
4103     EL_INTERNAL_CASCADE_REF_ACTIVE,
4104     EL_INTERNAL_CASCADE_USER_ACTIVE,
4105     EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
4106
4107     -1
4108   };
4109
4110   static int ep_editor_cascade_inactive[] =
4111   {
4112     EL_INTERNAL_CASCADE_BD,
4113     EL_INTERNAL_CASCADE_EM,
4114     EL_INTERNAL_CASCADE_EMC,
4115     EL_INTERNAL_CASCADE_RND,
4116     EL_INTERNAL_CASCADE_SB,
4117     EL_INTERNAL_CASCADE_SP,
4118     EL_INTERNAL_CASCADE_DC,
4119     EL_INTERNAL_CASCADE_DX,
4120     EL_INTERNAL_CASCADE_CHARS,
4121     EL_INTERNAL_CASCADE_STEEL_CHARS,
4122     EL_INTERNAL_CASCADE_CE,
4123     EL_INTERNAL_CASCADE_GE,
4124     EL_INTERNAL_CASCADE_REF,
4125     EL_INTERNAL_CASCADE_USER,
4126     EL_INTERNAL_CASCADE_DYNAMIC,
4127
4128     -1
4129   };
4130
4131   static int ep_obsolete[] =
4132   {
4133     EL_PLAYER_OBSOLETE,
4134     EL_KEY_OBSOLETE,
4135     EL_EM_KEY_1_FILE_OBSOLETE,
4136     EL_EM_KEY_2_FILE_OBSOLETE,
4137     EL_EM_KEY_3_FILE_OBSOLETE,
4138     EL_EM_KEY_4_FILE_OBSOLETE,
4139     EL_ENVELOPE_OBSOLETE,
4140
4141     -1
4142   };
4143
4144   static struct
4145   {
4146     int *elements;
4147     int property;
4148   } element_properties[] =
4149   {
4150     { ep_diggable,                      EP_DIGGABLE                     },
4151     { ep_collectible_only,              EP_COLLECTIBLE_ONLY             },
4152     { ep_dont_run_into,                 EP_DONT_RUN_INTO                },
4153     { ep_dont_collide_with,             EP_DONT_COLLIDE_WITH            },
4154     { ep_dont_touch,                    EP_DONT_TOUCH                   },
4155     { ep_indestructible,                EP_INDESTRUCTIBLE               },
4156     { ep_slippery,                      EP_SLIPPERY                     },
4157     { ep_can_change,                    EP_CAN_CHANGE                   },
4158     { ep_can_move,                      EP_CAN_MOVE                     },
4159     { ep_can_fall,                      EP_CAN_FALL                     },
4160     { ep_can_smash_player,              EP_CAN_SMASH_PLAYER             },
4161     { ep_can_smash_enemies,             EP_CAN_SMASH_ENEMIES            },
4162     { ep_can_smash_everything,          EP_CAN_SMASH_EVERYTHING         },
4163     { ep_explodes_by_fire,              EP_EXPLODES_BY_FIRE             },
4164     { ep_explodes_smashed,              EP_EXPLODES_SMASHED             },
4165     { ep_explodes_impact,               EP_EXPLODES_IMPACT              },
4166     { ep_walkable_over,                 EP_WALKABLE_OVER                },
4167     { ep_walkable_inside,               EP_WALKABLE_INSIDE              },
4168     { ep_walkable_under,                EP_WALKABLE_UNDER               },
4169     { ep_passable_over,                 EP_PASSABLE_OVER                },
4170     { ep_passable_inside,               EP_PASSABLE_INSIDE              },
4171     { ep_passable_under,                EP_PASSABLE_UNDER               },
4172     { ep_droppable,                     EP_DROPPABLE                    },
4173     { ep_explodes_1x1_old,              EP_EXPLODES_1X1_OLD             },
4174     { ep_pushable,                      EP_PUSHABLE                     },
4175     { ep_explodes_cross_old,            EP_EXPLODES_CROSS_OLD           },
4176     { ep_protected,                     EP_PROTECTED                    },
4177     { ep_throwable,                     EP_THROWABLE                    },
4178     { ep_can_explode,                   EP_CAN_EXPLODE                  },
4179     { ep_gravity_reachable,             EP_GRAVITY_REACHABLE            },
4180
4181     { ep_player,                        EP_PLAYER                       },
4182     { ep_can_pass_magic_wall,           EP_CAN_PASS_MAGIC_WALL          },
4183     { ep_can_pass_dc_magic_wall,        EP_CAN_PASS_DC_MAGIC_WALL       },
4184     { ep_switchable,                    EP_SWITCHABLE                   },
4185     { ep_bd_element,                    EP_BD_ELEMENT                   },
4186     { ep_sp_element,                    EP_SP_ELEMENT                   },
4187     { ep_sb_element,                    EP_SB_ELEMENT                   },
4188     { ep_gem,                           EP_GEM                          },
4189     { ep_food_dark_yamyam,              EP_FOOD_DARK_YAMYAM             },
4190     { ep_food_penguin,                  EP_FOOD_PENGUIN                 },
4191     { ep_food_pig,                      EP_FOOD_PIG                     },
4192     { ep_historic_wall,                 EP_HISTORIC_WALL                },
4193     { ep_historic_solid,                EP_HISTORIC_SOLID               },
4194     { ep_classic_enemy,                 EP_CLASSIC_ENEMY                },
4195     { ep_belt,                          EP_BELT                         },
4196     { ep_belt_active,                   EP_BELT_ACTIVE                  },
4197     { ep_belt_switch,                   EP_BELT_SWITCH                  },
4198     { ep_tube,                          EP_TUBE                         },
4199     { ep_acid_pool,                     EP_ACID_POOL                    },
4200     { ep_keygate,                       EP_KEYGATE                      },
4201     { ep_amoeboid,                      EP_AMOEBOID                     },
4202     { ep_amoebalive,                    EP_AMOEBALIVE                   },
4203     { ep_has_editor_content,            EP_HAS_EDITOR_CONTENT           },
4204     { ep_can_turn_each_move,            EP_CAN_TURN_EACH_MOVE           },
4205     { ep_can_grow,                      EP_CAN_GROW                     },
4206     { ep_active_bomb,                   EP_ACTIVE_BOMB                  },
4207     { ep_inactive,                      EP_INACTIVE                     },
4208
4209     { ep_em_slippery_wall,              EP_EM_SLIPPERY_WALL             },
4210
4211     { ep_gfx_crumbled,                  EP_GFX_CRUMBLED                 },
4212
4213     { ep_editor_cascade_active,         EP_EDITOR_CASCADE_ACTIVE        },
4214     { ep_editor_cascade_inactive,       EP_EDITOR_CASCADE_INACTIVE      },
4215
4216     { ep_obsolete,                      EP_OBSOLETE                     },
4217
4218     { NULL,                             -1                              }
4219   };
4220
4221   int i, j, k;
4222
4223   /* always start with reliable default values (element has no properties) */
4224   /* (but never initialize clipboard elements after the very first time) */
4225   /* (to be able to use clipboard elements between several levels) */
4226   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
4227     if (!IS_CLIPBOARD_ELEMENT(i) || !clipboard_elements_initialized)
4228       for (j = 0; j < NUM_ELEMENT_PROPERTIES; j++)
4229         SET_PROPERTY(i, j, FALSE);
4230
4231   /* set all base element properties from above array definitions */
4232   for (i = 0; element_properties[i].elements != NULL; i++)
4233     for (j = 0; (element_properties[i].elements)[j] != -1; j++)
4234       SET_PROPERTY((element_properties[i].elements)[j],
4235                    element_properties[i].property, TRUE);
4236
4237   /* copy properties to some elements that are only stored in level file */
4238   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
4239     for (j = 0; copy_properties[j][0] != -1; j++)
4240       if (HAS_PROPERTY(copy_properties[j][0], i))
4241         for (k = 1; k <= 4; k++)
4242           SET_PROPERTY(copy_properties[j][k], i, TRUE);
4243
4244   /* set static element properties that are not listed in array definitions */
4245   for (i = EL_STEEL_CHAR_START; i <= EL_STEEL_CHAR_END; i++)
4246     SET_PROPERTY(i, EP_INDESTRUCTIBLE, TRUE);
4247
4248   clipboard_elements_initialized = TRUE;
4249 }
4250
4251 void InitElementPropertiesEngine(int engine_version)
4252 {
4253   static int no_wall_properties[] =
4254   {
4255     EP_DIGGABLE,
4256     EP_COLLECTIBLE_ONLY,
4257     EP_DONT_RUN_INTO,
4258     EP_DONT_COLLIDE_WITH,
4259     EP_CAN_MOVE,
4260     EP_CAN_FALL,
4261     EP_CAN_SMASH_PLAYER,
4262     EP_CAN_SMASH_ENEMIES,
4263     EP_CAN_SMASH_EVERYTHING,
4264     EP_PUSHABLE,
4265
4266     EP_PLAYER,
4267     EP_GEM,
4268     EP_FOOD_DARK_YAMYAM,
4269     EP_FOOD_PENGUIN,
4270     EP_BELT,
4271     EP_BELT_ACTIVE,
4272     EP_TUBE,
4273     EP_AMOEBOID,
4274     EP_AMOEBALIVE,
4275     EP_ACTIVE_BOMB,
4276
4277     EP_ACCESSIBLE,
4278
4279     -1
4280   };
4281
4282   int i, j;
4283
4284   /* important: after initialization in InitElementPropertiesStatic(), the
4285      elements are not again initialized to a default value; therefore all
4286      changes have to make sure that they leave the element with a defined
4287      property (which means that conditional property changes must be set to
4288      a reliable default value before) */
4289
4290   /* resolve group elements */
4291   for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
4292     ResolveGroupElement(EL_GROUP_START + i);
4293
4294   /* set all special, combined or engine dependent element properties */
4295   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
4296   {
4297     /* do not change (already initialized) clipboard elements here */
4298     if (IS_CLIPBOARD_ELEMENT(i))
4299       continue;
4300
4301     /* ---------- INACTIVE ------------------------------------------------- */
4302     SET_PROPERTY(i, EP_INACTIVE, ((i >= EL_CHAR_START &&
4303                                    i <= EL_CHAR_END) ||
4304                                   (i >= EL_STEEL_CHAR_START &&
4305                                    i <= EL_STEEL_CHAR_END)));
4306
4307     /* ---------- WALKABLE, PASSABLE, ACCESSIBLE --------------------------- */
4308     SET_PROPERTY(i, EP_WALKABLE, (IS_WALKABLE_OVER(i) ||
4309                                   IS_WALKABLE_INSIDE(i) ||
4310                                   IS_WALKABLE_UNDER(i)));
4311
4312     SET_PROPERTY(i, EP_PASSABLE, (IS_PASSABLE_OVER(i) ||
4313                                   IS_PASSABLE_INSIDE(i) ||
4314                                   IS_PASSABLE_UNDER(i)));
4315
4316     SET_PROPERTY(i, EP_ACCESSIBLE_OVER, (IS_WALKABLE_OVER(i) ||
4317                                          IS_PASSABLE_OVER(i)));
4318
4319     SET_PROPERTY(i, EP_ACCESSIBLE_INSIDE, (IS_WALKABLE_INSIDE(i) ||
4320                                            IS_PASSABLE_INSIDE(i)));
4321
4322     SET_PROPERTY(i, EP_ACCESSIBLE_UNDER, (IS_WALKABLE_UNDER(i) ||
4323                                           IS_PASSABLE_UNDER(i)));
4324
4325     SET_PROPERTY(i, EP_ACCESSIBLE, (IS_WALKABLE(i) ||
4326                                     IS_PASSABLE(i)));
4327
4328     /* ---------- COLLECTIBLE ---------------------------------------------- */
4329     SET_PROPERTY(i, EP_COLLECTIBLE, (IS_COLLECTIBLE_ONLY(i) ||
4330                                      IS_DROPPABLE(i) ||
4331                                      IS_THROWABLE(i)));
4332
4333     /* ---------- SNAPPABLE ------------------------------------------------ */
4334     SET_PROPERTY(i, EP_SNAPPABLE, (IS_DIGGABLE(i) ||
4335                                    IS_COLLECTIBLE(i) ||
4336                                    IS_SWITCHABLE(i) ||
4337                                    i == EL_BD_ROCK));
4338
4339     /* ---------- WALL ----------------------------------------------------- */
4340     SET_PROPERTY(i, EP_WALL, TRUE);     /* default: element is wall */
4341
4342     for (j = 0; no_wall_properties[j] != -1; j++)
4343       if (HAS_PROPERTY(i, no_wall_properties[j]) ||
4344           i >= EL_FIRST_RUNTIME_UNREAL)
4345         SET_PROPERTY(i, EP_WALL, FALSE);
4346
4347     if (IS_HISTORIC_WALL(i))
4348       SET_PROPERTY(i, EP_WALL, TRUE);
4349
4350     /* ---------- SOLID_FOR_PUSHING ---------------------------------------- */
4351     if (engine_version < VERSION_IDENT(2,2,0,0))
4352       SET_PROPERTY(i, EP_SOLID_FOR_PUSHING, IS_HISTORIC_SOLID(i));
4353     else
4354       SET_PROPERTY(i, EP_SOLID_FOR_PUSHING, (!IS_WALKABLE(i) &&
4355                                              !IS_DIGGABLE(i) &&
4356                                              !IS_COLLECTIBLE(i)));
4357
4358     /* ---------- DRAGONFIRE_PROOF ----------------------------------------- */
4359     if (IS_HISTORIC_SOLID(i) || i == EL_EXPLOSION)
4360       SET_PROPERTY(i, EP_DRAGONFIRE_PROOF, TRUE);
4361     else
4362       SET_PROPERTY(i, EP_DRAGONFIRE_PROOF, (IS_CUSTOM_ELEMENT(i) &&
4363                                             IS_INDESTRUCTIBLE(i)));
4364
4365     /* ---------- EXPLOSION_PROOF ------------------------------------------ */
4366     if (i == EL_FLAMES)
4367       SET_PROPERTY(i, EP_EXPLOSION_PROOF, TRUE);
4368     else if (engine_version < VERSION_IDENT(2,2,0,0))
4369       SET_PROPERTY(i, EP_EXPLOSION_PROOF, IS_INDESTRUCTIBLE(i));
4370     else
4371       SET_PROPERTY(i, EP_EXPLOSION_PROOF, (IS_INDESTRUCTIBLE(i) &&
4372                                            (!IS_WALKABLE(i) ||
4373                                             IS_PROTECTED(i))));
4374
4375     if (IS_CUSTOM_ELEMENT(i))
4376     {
4377       /* these are additional properties which are initially false when set */
4378
4379       /* ---------- DONT_COLLIDE_WITH / DONT_RUN_INTO ---------------------- */
4380       if (DONT_TOUCH(i))
4381         SET_PROPERTY(i, EP_DONT_COLLIDE_WITH, TRUE);
4382       if (DONT_COLLIDE_WITH(i))
4383         SET_PROPERTY(i, EP_DONT_RUN_INTO, TRUE);
4384
4385       /* ---------- CAN_SMASH_ENEMIES / CAN_SMASH_PLAYER ------------------- */
4386       if (CAN_SMASH_EVERYTHING(i))
4387         SET_PROPERTY(i, EP_CAN_SMASH_ENEMIES, TRUE);
4388       if (CAN_SMASH_ENEMIES(i))
4389         SET_PROPERTY(i, EP_CAN_SMASH_PLAYER, TRUE);
4390     }
4391
4392     /* ---------- CAN_SMASH ------------------------------------------------ */
4393     SET_PROPERTY(i, EP_CAN_SMASH, (CAN_SMASH_PLAYER(i) ||
4394                                    CAN_SMASH_ENEMIES(i) ||
4395                                    CAN_SMASH_EVERYTHING(i)));
4396
4397     /* ---------- CAN_EXPLODE_BY_FIRE -------------------------------------- */
4398     SET_PROPERTY(i, EP_CAN_EXPLODE_BY_FIRE, (CAN_EXPLODE(i) &&
4399                                              EXPLODES_BY_FIRE(i)));
4400
4401     /* ---------- CAN_EXPLODE_SMASHED -------------------------------------- */
4402     SET_PROPERTY(i, EP_CAN_EXPLODE_SMASHED, (CAN_EXPLODE(i) &&
4403                                              EXPLODES_SMASHED(i)));
4404
4405     /* ---------- CAN_EXPLODE_IMPACT --------------------------------------- */
4406     SET_PROPERTY(i, EP_CAN_EXPLODE_IMPACT, (CAN_EXPLODE(i) &&
4407                                             EXPLODES_IMPACT(i)));
4408
4409     /* ---------- CAN_EXPLODE_BY_DRAGONFIRE -------------------------------- */
4410     SET_PROPERTY(i, EP_CAN_EXPLODE_BY_DRAGONFIRE, CAN_EXPLODE_BY_FIRE(i));
4411
4412     /* ---------- CAN_EXPLODE_BY_EXPLOSION --------------------------------- */
4413     SET_PROPERTY(i, EP_CAN_EXPLODE_BY_EXPLOSION, (CAN_EXPLODE_BY_FIRE(i) ||
4414                                                   i == EL_BLACK_ORB));
4415
4416     /* ---------- COULD_MOVE_INTO_ACID ------------------------------------- */
4417     SET_PROPERTY(i, EP_COULD_MOVE_INTO_ACID, (ELEM_IS_PLAYER(i) ||
4418                                               CAN_MOVE(i) ||
4419                                               IS_CUSTOM_ELEMENT(i)));
4420
4421     /* ---------- MAYBE_DONT_COLLIDE_WITH ---------------------------------- */
4422     SET_PROPERTY(i, EP_MAYBE_DONT_COLLIDE_WITH, (i == EL_SP_SNIKSNAK ||
4423                                                  i == EL_SP_ELECTRON));
4424
4425     /* ---------- CAN_MOVE_INTO_ACID --------------------------------------- */
4426     if (COULD_MOVE_INTO_ACID(i) && !IS_CUSTOM_ELEMENT(i))
4427       SET_PROPERTY(i, EP_CAN_MOVE_INTO_ACID,
4428                    getMoveIntoAcidProperty(&level, i));
4429
4430     /* ---------- DONT_COLLIDE_WITH ---------------------------------------- */
4431     if (MAYBE_DONT_COLLIDE_WITH(i))
4432       SET_PROPERTY(i, EP_DONT_COLLIDE_WITH,
4433                    getDontCollideWithProperty(&level, i));
4434
4435     /* ---------- SP_PORT -------------------------------------------------- */
4436     SET_PROPERTY(i, EP_SP_PORT, (IS_SP_ELEMENT(i) &&
4437                                  IS_PASSABLE_INSIDE(i)));
4438
4439     /* ---------- CAN_BE_CLONED_BY_ANDROID --------------------------------- */
4440     for (j = 0; j < level.num_android_clone_elements; j++)
4441       SET_PROPERTY(i, EP_CAN_BE_CLONED_BY_ANDROID,
4442                    (i != EL_EMPTY &&
4443                     IS_EQUAL_OR_IN_GROUP(i, level.android_clone_element[j])));
4444
4445     /* ---------- CAN_CHANGE ----------------------------------------------- */
4446     SET_PROPERTY(i, EP_CAN_CHANGE, FALSE);      /* default: cannot change */
4447     for (j = 0; j < element_info[i].num_change_pages; j++)
4448       if (element_info[i].change_page[j].can_change)
4449         SET_PROPERTY(i, EP_CAN_CHANGE, TRUE);
4450
4451     /* ---------- HAS_ACTION ----------------------------------------------- */
4452     SET_PROPERTY(i, EP_HAS_ACTION, FALSE);      /* default: has no action */
4453     for (j = 0; j < element_info[i].num_change_pages; j++)
4454       if (element_info[i].change_page[j].has_action)
4455         SET_PROPERTY(i, EP_HAS_ACTION, TRUE);
4456
4457     /* ---------- CAN_CHANGE_OR_HAS_ACTION --------------------------------- */
4458     SET_PROPERTY(i, EP_CAN_CHANGE_OR_HAS_ACTION, (CAN_CHANGE(i) ||
4459                                                   HAS_ACTION(i)));
4460
4461     /* ---------- GFX_CRUMBLED --------------------------------------------- */
4462     SET_PROPERTY(i, EP_GFX_CRUMBLED,
4463                  element_info[i].crumbled[ACTION_DEFAULT] !=
4464                  element_info[i].graphic[ACTION_DEFAULT]);
4465
4466     /* ---------- EDITOR_CASCADE ------------------------------------------- */
4467     SET_PROPERTY(i, EP_EDITOR_CASCADE, (IS_EDITOR_CASCADE_ACTIVE(i) ||
4468                                         IS_EDITOR_CASCADE_INACTIVE(i)));
4469   }
4470
4471   /* dynamically adjust element properties according to game engine version */
4472   {
4473     static int ep_em_slippery_wall[] =
4474     {
4475       EL_WALL,
4476       EL_STEELWALL,
4477       EL_EXPANDABLE_WALL,
4478       EL_EXPANDABLE_WALL_HORIZONTAL,
4479       EL_EXPANDABLE_WALL_VERTICAL,
4480       EL_EXPANDABLE_WALL_ANY,
4481       EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4482       EL_EXPANDABLE_STEELWALL_VERTICAL,
4483       EL_EXPANDABLE_STEELWALL_ANY,
4484       EL_EXPANDABLE_STEELWALL_GROWING,
4485       -1
4486     };
4487
4488     static int ep_em_explodes_by_fire[] =
4489     {
4490       EL_EM_DYNAMITE,
4491       EL_EM_DYNAMITE_ACTIVE,
4492       EL_MOLE,
4493       -1
4494     };
4495
4496     /* special EM style gems behaviour */
4497     for (i = 0; ep_em_slippery_wall[i] != -1; i++)
4498       SET_PROPERTY(ep_em_slippery_wall[i], EP_EM_SLIPPERY_WALL,
4499                    level.em_slippery_gems);
4500
4501     /* "EL_EXPANDABLE_WALL_GROWING" wasn't slippery for EM gems in 2.0.1 */
4502     SET_PROPERTY(EL_EXPANDABLE_WALL_GROWING, EP_EM_SLIPPERY_WALL,
4503                  (level.em_slippery_gems &&
4504                   engine_version > VERSION_IDENT(2,0,1,0)));
4505
4506     /* special EM style explosion behaviour regarding chain reactions */
4507     for (i = 0; ep_em_explodes_by_fire[i] != -1; i++)
4508       SET_PROPERTY(ep_em_explodes_by_fire[i], EP_EXPLODES_BY_FIRE,
4509                    level.em_explodes_by_fire);
4510   }
4511
4512   /* this is needed because some graphics depend on element properties */
4513   if (game_status == GAME_MODE_PLAYING)
4514     InitElementGraphicInfo();
4515 }
4516
4517 void InitElementPropertiesAfterLoading(int engine_version)
4518 {
4519   int i;
4520
4521   /* set some other uninitialized values of custom elements in older levels */
4522   if (engine_version < VERSION_IDENT(3,1,0,0))
4523   {
4524     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
4525     {
4526       int element = EL_CUSTOM_START + i;
4527
4528       element_info[element].access_direction = MV_ALL_DIRECTIONS;
4529
4530       element_info[element].explosion_delay = 17;
4531       element_info[element].ignition_delay = 8;
4532     }
4533   }
4534 }
4535
4536 void InitElementPropertiesGfxElement()
4537 {
4538   int i;
4539
4540   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
4541   {
4542     struct ElementInfo *ei = &element_info[i];
4543
4544     ei->gfx_element = (ei->use_gfx_element ? ei->gfx_element_initial : i);
4545   }
4546 }
4547
4548 static void InitGlobal()
4549 {
4550   int graphic;
4551   int i;
4552
4553   for (i = 0; i < MAX_NUM_ELEMENTS + 1; i++)
4554   {
4555     /* check if element_name_info entry defined for each element in "main.h" */
4556     if (i < MAX_NUM_ELEMENTS && element_name_info[i].token_name == NULL)
4557       Error(ERR_EXIT, "undefined 'element_name_info' entry for element %d", i);
4558
4559     element_info[i].token_name = element_name_info[i].token_name;
4560     element_info[i].class_name = element_name_info[i].class_name;
4561     element_info[i].editor_description= element_name_info[i].editor_description;
4562   }
4563
4564   /* create hash from image config list */
4565   image_config_hash = newSetupFileHash();
4566   for (i = 0; image_config[i].token != NULL; i++)
4567     setHashEntry(image_config_hash,
4568                  image_config[i].token,
4569                  image_config[i].value);
4570
4571   /* create hash from element token list */
4572   element_token_hash = newSetupFileHash();
4573   for (i = 0; element_name_info[i].token_name != NULL; i++)
4574     setHashEntry(element_token_hash,
4575                  element_name_info[i].token_name,
4576                  int2str(i, 0));
4577
4578   /* create hash from graphic token list */
4579   graphic_token_hash = newSetupFileHash();
4580   for (graphic = 0, i = 0; image_config[i].token != NULL; i++)
4581     if (strSuffix(image_config[i].value, ".png") ||
4582         strSuffix(image_config[i].value, ".pcx") ||
4583         strSuffix(image_config[i].value, ".wav") ||
4584         strEqual(image_config[i].value, UNDEFINED_FILENAME))
4585       setHashEntry(graphic_token_hash,
4586                    image_config[i].token,
4587                    int2str(graphic++, 0));
4588
4589   /* create hash from font token list */
4590   font_token_hash = newSetupFileHash();
4591   for (i = 0; font_info[i].token_name != NULL; i++)
4592     setHashEntry(font_token_hash,
4593                  font_info[i].token_name,
4594                  int2str(i, 0));
4595
4596   /* set default filenames for all cloned graphics in static configuration */
4597   for (i = 0; image_config[i].token != NULL; i++)
4598   {
4599     if (strEqual(image_config[i].value, UNDEFINED_FILENAME))
4600     {
4601       char *token = image_config[i].token;
4602       char *token_clone_from = getStringCat2(token, ".clone_from");
4603       char *token_cloned = getHashEntry(image_config_hash, token_clone_from);
4604
4605       if (token_cloned != NULL)
4606       {
4607         char *value_cloned = getHashEntry(image_config_hash, token_cloned);
4608
4609         if (value_cloned != NULL)
4610         {
4611           /* set default filename in static configuration */
4612           image_config[i].value = value_cloned;
4613
4614           /* set default filename in image config hash */
4615           setHashEntry(image_config_hash, token, value_cloned);
4616         }
4617       }
4618
4619       free(token_clone_from);
4620     }
4621   }
4622
4623   /* always start with reliable default values (all elements) */
4624   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
4625     ActiveElement[i] = i;
4626
4627   /* now add all entries that have an active state (active elements) */
4628   for (i = 0; element_with_active_state[i].element != -1; i++)
4629   {
4630     int element = element_with_active_state[i].element;
4631     int element_active = element_with_active_state[i].element_active;
4632
4633     ActiveElement[element] = element_active;
4634   }
4635
4636   /* always start with reliable default values (all buttons) */
4637   for (i = 0; i < NUM_IMAGE_FILES; i++)
4638     ActiveButton[i] = i;
4639
4640   /* now add all entries that have an active state (active buttons) */
4641   for (i = 0; button_with_active_state[i].button != -1; i++)
4642   {
4643     int button = button_with_active_state[i].button;
4644     int button_active = button_with_active_state[i].button_active;
4645
4646     ActiveButton[button] = button_active;
4647   }
4648
4649   /* always start with reliable default values (all fonts) */
4650   for (i = 0; i < NUM_FONTS; i++)
4651     ActiveFont[i] = i;
4652
4653   /* now add all entries that have an active state (active fonts) */
4654   for (i = 0; font_with_active_state[i].font_nr != -1; i++)
4655   {
4656     int font = font_with_active_state[i].font_nr;
4657     int font_active = font_with_active_state[i].font_nr_active;
4658
4659     ActiveFont[font] = font_active;
4660   }
4661
4662   global.autoplay_leveldir = NULL;
4663   global.convert_leveldir = NULL;
4664   global.create_images_dir = NULL;
4665
4666   global.frames_per_second = 0;
4667
4668   global.border_status = GAME_MODE_MAIN;
4669
4670   global.use_envelope_request = FALSE;
4671 }
4672
4673 void Execute_Command(char *command)
4674 {
4675   int i;
4676
4677   if (strEqual(command, "print graphicsinfo.conf"))
4678   {
4679     Print("# You can configure additional/alternative image files here.\n");
4680     Print("# (The entries below are default and therefore commented out.)\n");
4681     Print("\n");
4682     Print("%s\n", getFormattedSetupEntry("name", "Classic Graphics"));
4683     Print("\n");
4684     Print("%s\n", getFormattedSetupEntry("sort_priority", "100"));
4685     Print("\n");
4686
4687     for (i = 0; image_config[i].token != NULL; i++)
4688       Print("# %s\n", getFormattedSetupEntry(image_config[i].token,
4689                                              image_config[i].value));
4690
4691     exit(0);
4692   }
4693   else if (strEqual(command, "print soundsinfo.conf"))
4694   {
4695     Print("# You can configure additional/alternative sound files here.\n");
4696     Print("# (The entries below are default and therefore commented out.)\n");
4697     Print("\n");
4698     Print("%s\n", getFormattedSetupEntry("name", "Classic Sounds"));
4699     Print("\n");
4700     Print("%s\n", getFormattedSetupEntry("sort_priority", "100"));
4701     Print("\n");
4702
4703     for (i = 0; sound_config[i].token != NULL; i++)
4704       Print("# %s\n", getFormattedSetupEntry(sound_config[i].token,
4705                                              sound_config[i].value));
4706
4707     exit(0);
4708   }
4709   else if (strEqual(command, "print musicinfo.conf"))
4710   {
4711     Print("# You can configure additional/alternative music files here.\n");
4712     Print("# (The entries below are default and therefore commented out.)\n");
4713     Print("\n");
4714     Print("%s\n", getFormattedSetupEntry("name", "Classic Music"));
4715     Print("\n");
4716     Print("%s\n", getFormattedSetupEntry("sort_priority", "100"));
4717     Print("\n");
4718
4719     for (i = 0; music_config[i].token != NULL; i++)
4720       Print("# %s\n", getFormattedSetupEntry(music_config[i].token,
4721                                              music_config[i].value));
4722
4723     exit(0);
4724   }
4725   else if (strEqual(command, "print editorsetup.conf"))
4726   {
4727     Print("# You can configure your personal editor element list here.\n");
4728     Print("# (The entries below are default and therefore commented out.)\n");
4729     Print("\n");
4730
4731     /* this is needed to be able to check element list for cascade elements */
4732     InitElementPropertiesStatic();
4733     InitElementPropertiesEngine(GAME_VERSION_ACTUAL);
4734
4735     PrintEditorElementList();
4736
4737     exit(0);
4738   }
4739   else if (strEqual(command, "print helpanim.conf"))
4740   {
4741     Print("# You can configure different element help animations here.\n");
4742     Print("# (The entries below are default and therefore commented out.)\n");
4743     Print("\n");
4744
4745     for (i = 0; helpanim_config[i].token != NULL; i++)
4746     {
4747       Print("# %s\n", getFormattedSetupEntry(helpanim_config[i].token,
4748                                              helpanim_config[i].value));
4749
4750       if (strEqual(helpanim_config[i].token, "end"))
4751         Print("#\n");
4752     }
4753
4754     exit(0);
4755   }
4756   else if (strEqual(command, "print helptext.conf"))
4757   {
4758     Print("# You can configure different element help text here.\n");
4759     Print("# (The entries below are default and therefore commented out.)\n");
4760     Print("\n");
4761
4762     for (i = 0; helptext_config[i].token != NULL; i++)
4763       Print("# %s\n", getFormattedSetupEntry(helptext_config[i].token,
4764                                              helptext_config[i].value));
4765
4766     exit(0);
4767   }
4768   else if (strPrefix(command, "dump level "))
4769   {
4770     char *filename = &command[11];
4771
4772     if (!fileExists(filename))
4773       Error(ERR_EXIT, "cannot open file '%s'", filename);
4774
4775     LoadLevelFromFilename(&level, filename);
4776     DumpLevel(&level);
4777
4778     exit(0);
4779   }
4780   else if (strPrefix(command, "dump tape "))
4781   {
4782     char *filename = &command[10];
4783
4784     if (!fileExists(filename))
4785       Error(ERR_EXIT, "cannot open file '%s'", filename);
4786
4787     LoadTapeFromFilename(filename);
4788     DumpTape(&tape);
4789
4790     exit(0);
4791   }
4792   else if (strPrefix(command, "autotest ") ||
4793            strPrefix(command, "autoplay ") ||
4794            strPrefix(command, "autoffwd "))
4795   {
4796     char *str_ptr = getStringCopy(&command[9]); /* read command parameters */
4797
4798     global.autoplay_mode = (strPrefix(command, "autotest") ? AUTOPLAY_TEST :
4799                             strPrefix(command, "autoplay") ? AUTOPLAY_PLAY :
4800                             strPrefix(command, "autoffwd") ? AUTOPLAY_FFWD : 0);
4801
4802     while (*str_ptr != '\0')                    /* continue parsing string */
4803     {
4804       /* cut leading whitespace from string, replace it by string terminator */
4805       while (*str_ptr == ' ' || *str_ptr == '\t')
4806         *str_ptr++ = '\0';
4807
4808       if (*str_ptr == '\0')                     /* end of string reached */
4809         break;
4810
4811       if (global.autoplay_leveldir == NULL)     /* read level set string */
4812       {
4813         global.autoplay_leveldir = str_ptr;
4814         global.autoplay_all = TRUE;             /* default: play all tapes */
4815
4816         for (i = 0; i < MAX_TAPES_PER_SET; i++)
4817           global.autoplay_level[i] = FALSE;
4818       }
4819       else                                      /* read level number string */
4820       {
4821         int level_nr = atoi(str_ptr);           /* get level_nr value */
4822
4823         if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
4824           global.autoplay_level[level_nr] = TRUE;
4825
4826         global.autoplay_all = FALSE;
4827       }
4828
4829       /* advance string pointer to the next whitespace (or end of string) */
4830       while (*str_ptr != ' ' && *str_ptr != '\t' && *str_ptr != '\0')
4831         str_ptr++;
4832     }
4833   }
4834   else if (strPrefix(command, "convert "))
4835   {
4836     char *str_copy = getStringCopy(strchr(command, ' ') + 1);
4837     char *str_ptr = strchr(str_copy, ' ');
4838
4839     global.convert_leveldir = str_copy;
4840     global.convert_level_nr = -1;
4841
4842     if (str_ptr != NULL)                        /* level number follows */
4843     {
4844       *str_ptr++ = '\0';                        /* terminate leveldir string */
4845       global.convert_level_nr = atoi(str_ptr);  /* get level_nr value */
4846     }
4847   }
4848   else if (strPrefix(command, "create images "))
4849   {
4850     global.create_images_dir = getStringCopy(&command[14]);
4851
4852     if (access(global.create_images_dir, W_OK) != 0)
4853       Error(ERR_EXIT, "image target directory '%s' not found or not writable",
4854             global.create_images_dir);
4855   }
4856   else if (strPrefix(command, "create CE image "))
4857   {
4858     CreateCustomElementImages(&command[16]);
4859
4860     exit(0);
4861   }
4862
4863 #if DEBUG
4864 #if defined(TARGET_SDL2)
4865   else if (strEqual(command, "SDL_ListModes"))
4866   {
4867     SDL_Init(SDL_INIT_VIDEO);
4868
4869     int num_displays = SDL_GetNumVideoDisplays();
4870
4871     // check if there are any displays available
4872     if (num_displays < 0)
4873     {
4874       Print("No displays available: %s\n", SDL_GetError());
4875
4876       exit(-1);
4877     }
4878
4879     for (i = 0; i < num_displays; i++)
4880     {
4881       int num_modes = SDL_GetNumDisplayModes(i);
4882       int j;
4883
4884       Print("Available display modes for display %d:\n", i);
4885
4886       // check if there are any display modes available for this display
4887       if (num_modes < 0)
4888       {
4889         Print("No display modes available for display %d: %s\n",
4890               i, SDL_GetError());
4891
4892         exit(-1);
4893       }
4894
4895       for (j = 0; j < num_modes; j++)
4896       {
4897         SDL_DisplayMode mode;
4898
4899         if (SDL_GetDisplayMode(i, j, &mode) < 0)
4900         {
4901           Print("Cannot get display mode %d for display %d: %s\n",
4902                 j, i, SDL_GetError());
4903
4904           exit(-1);
4905         }
4906
4907         Print("- %d x %d\n", mode.w, mode.h);
4908       }
4909     }
4910
4911     exit(0);
4912   }
4913 #elif defined(TARGET_SDL)
4914   else if (strEqual(command, "SDL_ListModes"))
4915   {
4916     SDL_Rect **modes;
4917     int i;
4918
4919     SDL_Init(SDL_INIT_VIDEO);
4920
4921     /* get available fullscreen/hardware modes */
4922     modes = SDL_ListModes(NULL, SDL_FULLSCREEN | SDL_HWSURFACE);
4923
4924     /* check if there are any modes available */
4925     if (modes == NULL)
4926     {
4927       Print("No modes available!\n");
4928
4929       exit(-1);
4930     }
4931
4932     /* check if our resolution is restricted */
4933     if (modes == (SDL_Rect **)-1)
4934     {
4935       Print("All resolutions available.\n");
4936     }
4937     else
4938     {
4939       Print("Available display modes:\n");
4940
4941       for (i = 0; modes[i]; i++)
4942         Print("- %d x %d\n", modes[i]->w, modes[i]->h);
4943     }
4944
4945     exit(0);
4946   }
4947 #endif
4948 #endif
4949
4950   else
4951   {
4952     Error(ERR_EXIT_HELP, "unrecognized command '%s'", command);
4953   }
4954 }
4955
4956 static void InitSetup()
4957 {
4958   LoadSetup();                                  /* global setup info */
4959
4960   /* set some options from setup file */
4961
4962   if (setup.options.verbose)
4963     options.verbose = TRUE;
4964 }
4965
4966 static void InitGameInfo()
4967 {
4968   game.restart_level = FALSE;
4969 }
4970
4971 static void InitPlayerInfo()
4972 {
4973   int i;
4974
4975   /* choose default local player */
4976   local_player = &stored_player[0];
4977
4978   for (i = 0; i < MAX_PLAYERS; i++)
4979     stored_player[i].connected = FALSE;
4980
4981   local_player->connected = TRUE;
4982 }
4983
4984 static void InitArtworkInfo()
4985 {
4986   LoadArtworkInfo();
4987 }
4988
4989 static char *get_string_in_brackets(char *string)
4990 {
4991   char *string_in_brackets = checked_malloc(strlen(string) + 3);
4992
4993   sprintf(string_in_brackets, "[%s]", string);
4994
4995   return string_in_brackets;
4996 }
4997
4998 static char *get_level_id_suffix(int id_nr)
4999 {
5000   char *id_suffix = checked_malloc(1 + 3 + 1);
5001
5002   if (id_nr < 0 || id_nr > 999)
5003     id_nr = 0;
5004
5005   sprintf(id_suffix, ".%03d", id_nr);
5006
5007   return id_suffix;
5008 }
5009
5010 static void InitArtworkConfig()
5011 {
5012   static char *image_id_prefix[MAX_NUM_ELEMENTS +
5013                                NUM_FONTS +
5014                                NUM_GLOBAL_ANIM_TOKENS + 1];
5015   static char *sound_id_prefix[2 * MAX_NUM_ELEMENTS + 1];
5016   static char *music_id_prefix[NUM_MUSIC_PREFIXES + 1];
5017   static char *action_id_suffix[NUM_ACTIONS + 1];
5018   static char *direction_id_suffix[NUM_DIRECTIONS_FULL + 1];
5019   static char *special_id_suffix[NUM_SPECIAL_GFX_ARGS + 1];
5020   static char *level_id_suffix[MAX_LEVELS + 1];
5021   static char *dummy[1] = { NULL };
5022   static char *ignore_generic_tokens[] =
5023   {
5024     "name",
5025     "sort_priority",
5026     NULL
5027   };
5028   static char **ignore_image_tokens;
5029   static char **ignore_sound_tokens;
5030   static char **ignore_music_tokens;
5031   int num_ignore_generic_tokens;
5032   int num_ignore_image_tokens;
5033   int num_ignore_sound_tokens;
5034   int num_ignore_music_tokens;
5035   int i;
5036
5037   /* dynamically determine list of generic tokens to be ignored */
5038   num_ignore_generic_tokens = 0;
5039   for (i = 0; ignore_generic_tokens[i] != NULL; i++)
5040     num_ignore_generic_tokens++;
5041
5042   /* dynamically determine list of image tokens to be ignored */
5043   num_ignore_image_tokens = num_ignore_generic_tokens;
5044   for (i = 0; image_config_vars[i].token != NULL; i++)
5045     num_ignore_image_tokens++;
5046   ignore_image_tokens =
5047     checked_malloc((num_ignore_image_tokens + 1) * sizeof(char *));
5048   for (i = 0; i < num_ignore_generic_tokens; i++)
5049     ignore_image_tokens[i] = ignore_generic_tokens[i];
5050   for (i = 0; i < num_ignore_image_tokens - num_ignore_generic_tokens; i++)
5051     ignore_image_tokens[num_ignore_generic_tokens + i] =
5052       image_config_vars[i].token;
5053   ignore_image_tokens[num_ignore_image_tokens] = NULL;
5054
5055   /* dynamically determine list of sound tokens to be ignored */
5056   num_ignore_sound_tokens = num_ignore_generic_tokens;
5057   ignore_sound_tokens =
5058     checked_malloc((num_ignore_sound_tokens + 1) * sizeof(char *));
5059   for (i = 0; i < num_ignore_generic_tokens; i++)
5060     ignore_sound_tokens[i] = ignore_generic_tokens[i];
5061   ignore_sound_tokens[num_ignore_sound_tokens] = NULL;
5062
5063   /* dynamically determine list of music tokens to be ignored */
5064   num_ignore_music_tokens = num_ignore_generic_tokens;
5065   ignore_music_tokens =
5066     checked_malloc((num_ignore_music_tokens + 1) * sizeof(char *));
5067   for (i = 0; i < num_ignore_generic_tokens; i++)
5068     ignore_music_tokens[i] = ignore_generic_tokens[i];
5069   ignore_music_tokens[num_ignore_music_tokens] = NULL;
5070
5071   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
5072     image_id_prefix[i] = element_info[i].token_name;
5073   for (i = 0; i < NUM_FONTS; i++)
5074     image_id_prefix[MAX_NUM_ELEMENTS + i] = font_info[i].token_name;
5075   for (i = 0; i < NUM_GLOBAL_ANIM_TOKENS; i++)
5076     image_id_prefix[MAX_NUM_ELEMENTS + NUM_FONTS + i] =
5077       global_anim_info[i].token_name;
5078   image_id_prefix[MAX_NUM_ELEMENTS + NUM_FONTS + NUM_GLOBAL_ANIM_TOKENS] = NULL;
5079
5080   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
5081     sound_id_prefix[i] = element_info[i].token_name;
5082   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
5083     sound_id_prefix[MAX_NUM_ELEMENTS + i] =
5084       get_string_in_brackets(element_info[i].class_name);
5085   sound_id_prefix[2 * MAX_NUM_ELEMENTS] = NULL;
5086
5087   for (i = 0; i < NUM_MUSIC_PREFIXES; i++)
5088     music_id_prefix[i] = music_prefix_info[i].prefix;
5089   music_id_prefix[NUM_MUSIC_PREFIXES] = NULL;
5090
5091   for (i = 0; i < NUM_ACTIONS; i++)
5092     action_id_suffix[i] = element_action_info[i].suffix;
5093   action_id_suffix[NUM_ACTIONS] = NULL;
5094
5095   for (i = 0; i < NUM_DIRECTIONS_FULL; i++)
5096     direction_id_suffix[i] = element_direction_info[i].suffix;
5097   direction_id_suffix[NUM_DIRECTIONS_FULL] = NULL;
5098
5099   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
5100     special_id_suffix[i] = special_suffix_info[i].suffix;
5101   special_id_suffix[NUM_SPECIAL_GFX_ARGS] = NULL;
5102
5103   for (i = 0; i < MAX_LEVELS; i++)
5104     level_id_suffix[i] = get_level_id_suffix(i);
5105   level_id_suffix[MAX_LEVELS] = NULL;
5106
5107   InitImageList(image_config, NUM_IMAGE_FILES, image_config_suffix,
5108                 image_id_prefix, action_id_suffix, direction_id_suffix,
5109                 special_id_suffix, ignore_image_tokens);
5110   InitSoundList(sound_config, NUM_SOUND_FILES, sound_config_suffix,
5111                 sound_id_prefix, action_id_suffix, dummy,
5112                 special_id_suffix, ignore_sound_tokens);
5113   InitMusicList(music_config, NUM_MUSIC_FILES, music_config_suffix,
5114                 music_id_prefix, special_id_suffix, level_id_suffix,
5115                 dummy, ignore_music_tokens);
5116 }
5117
5118 static void InitMixer()
5119 {
5120   OpenAudio();
5121
5122   StartMixer();
5123 }
5124
5125 void InitGfxBuffers()
5126 {
5127   static int win_xsize_last = -1;
5128   static int win_ysize_last = -1;
5129
5130   /* create additional image buffers for double-buffering and cross-fading */
5131
5132   if (WIN_XSIZE != win_xsize_last || WIN_YSIZE != win_ysize_last)
5133   {
5134     /* may contain content for cross-fading -- only re-create if changed */
5135     ReCreateBitmap(&bitmap_db_store, WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH);
5136     ReCreateBitmap(&bitmap_db_cross, WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH);
5137
5138     win_xsize_last = WIN_XSIZE;
5139     win_ysize_last = WIN_YSIZE;
5140   }
5141
5142   ReCreateBitmap(&bitmap_db_field, FXSIZE, FYSIZE, DEFAULT_DEPTH);
5143   ReCreateBitmap(&bitmap_db_panel, DXSIZE, DYSIZE, DEFAULT_DEPTH);
5144   ReCreateBitmap(&bitmap_db_door_1, 3 * DXSIZE, DYSIZE, DEFAULT_DEPTH);
5145   ReCreateBitmap(&bitmap_db_door_2, 3 * VXSIZE, VYSIZE, DEFAULT_DEPTH);
5146   ReCreateBitmap(&bitmap_db_toons, FULL_SXSIZE, FULL_SYSIZE, DEFAULT_DEPTH);
5147
5148   /* initialize screen properties */
5149   InitGfxFieldInfo(SX, SY, SXSIZE, SYSIZE,
5150                    REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE,
5151                    bitmap_db_field);
5152   InitGfxDoor1Info(DX, DY, DXSIZE, DYSIZE);
5153   InitGfxDoor2Info(VX, VY, VXSIZE, VYSIZE);
5154   InitGfxDoor3Info(EX, EY, EXSIZE, EYSIZE);
5155   InitGfxWindowInfo(WIN_XSIZE, WIN_YSIZE);
5156   InitGfxScrollbufferInfo(FXSIZE, FYSIZE);
5157   InitGfxClipRegion(FALSE, -1, -1, -1, -1);
5158
5159   /* required if door size definitions have changed */
5160   InitGraphicCompatibilityInfo_Doors();
5161
5162   InitGfxBuffers_EM();
5163   InitGfxBuffers_SP();
5164 }
5165
5166 void InitGfx()
5167 {
5168   struct GraphicInfo *graphic_info_last = graphic_info;
5169   char *filename_font_initial = NULL;
5170   char *filename_anim_initial = NULL;
5171   Bitmap *bitmap_font_initial = NULL;
5172   int font_height;
5173   int i, j;
5174
5175   /* determine settings for initial font (for displaying startup messages) */
5176   for (i = 0; image_config[i].token != NULL; i++)
5177   {
5178     for (j = 0; j < NUM_INITIAL_FONTS; j++)
5179     {
5180       char font_token[128];
5181       int len_font_token;
5182
5183       sprintf(font_token, "%s_%d", CONFIG_TOKEN_FONT_INITIAL, j + 1);
5184       len_font_token = strlen(font_token);
5185
5186       if (strEqual(image_config[i].token, font_token))
5187         filename_font_initial = image_config[i].value;
5188       else if (strlen(image_config[i].token) > len_font_token &&
5189                strncmp(image_config[i].token, font_token, len_font_token) == 0)
5190       {
5191         if (strEqual(&image_config[i].token[len_font_token], ".x"))
5192           font_initial[j].src_x = atoi(image_config[i].value);
5193         else if (strEqual(&image_config[i].token[len_font_token], ".y"))
5194           font_initial[j].src_y = atoi(image_config[i].value);
5195         else if (strEqual(&image_config[i].token[len_font_token], ".width"))
5196           font_initial[j].width = atoi(image_config[i].value);
5197         else if (strEqual(&image_config[i].token[len_font_token], ".height"))
5198           font_initial[j].height = atoi(image_config[i].value);
5199       }
5200     }
5201   }
5202
5203   for (j = 0; j < NUM_INITIAL_FONTS; j++)
5204   {
5205     font_initial[j].num_chars = DEFAULT_NUM_CHARS_PER_FONT;
5206     font_initial[j].num_chars_per_line = DEFAULT_NUM_CHARS_PER_LINE;
5207   }
5208
5209   if (filename_font_initial == NULL)    /* should not happen */
5210     Error(ERR_EXIT, "cannot get filename for '%s'", CONFIG_TOKEN_FONT_INITIAL);
5211
5212   InitGfxBuffers();
5213   InitGfxCustomArtworkInfo();
5214   InitGfxOtherSettings();
5215
5216   bitmap_font_initial = LoadCustomImage(filename_font_initial);
5217
5218   for (j = 0; j < NUM_INITIAL_FONTS; j++)
5219     font_initial[j].bitmap = bitmap_font_initial;
5220
5221   InitFontGraphicInfo();
5222
5223   font_height = getFontHeight(FC_RED);
5224
5225   DrawInitText(getProgramInitString(), 20, FC_YELLOW);
5226   DrawInitText(setup.internal.program_copyright, 50, FC_RED);
5227   DrawInitText(setup.internal.program_website, WIN_YSIZE - 20 - font_height,
5228                FC_RED);
5229
5230   DrawInitText("Loading graphics", 120, FC_GREEN);
5231
5232   /* initialize settings for busy animation with default values */
5233   int parameter[NUM_GFX_ARGS];
5234   for (i = 0; i < NUM_GFX_ARGS; i++)
5235     parameter[i] = get_graphic_parameter_value(image_config_suffix[i].value,
5236                                                image_config_suffix[i].token,
5237                                                image_config_suffix[i].type);
5238
5239   char *anim_token = CONFIG_TOKEN_GLOBAL_BUSY;
5240   int len_anim_token = strlen(anim_token);
5241
5242   /* read settings for busy animation from default custom artwork config */
5243   char *gfx_config_filename = getPath3(options.graphics_directory,
5244                                        GFX_DEFAULT_SUBDIR,
5245                                        GRAPHICSINFO_FILENAME);
5246
5247   if (fileExists(gfx_config_filename))
5248   {
5249     SetupFileHash *setup_file_hash = loadSetupFileHash(gfx_config_filename);
5250
5251     if (setup_file_hash)
5252     {
5253       char *filename = getHashEntry(setup_file_hash, anim_token);
5254
5255       if (filename)
5256       {
5257         filename_anim_initial = getStringCopy(filename);
5258
5259         for (j = 0; image_config_suffix[j].token != NULL; j++)
5260         {
5261           int type = image_config_suffix[j].type;
5262           char *suffix = image_config_suffix[j].token;
5263           char *token = getStringCat2(anim_token, suffix);
5264           char *value = getHashEntry(setup_file_hash, token);
5265
5266           checked_free(token);
5267
5268           if (value)
5269             parameter[j] = get_graphic_parameter_value(value, suffix, type);
5270         }
5271       }
5272
5273       freeSetupFileHash(setup_file_hash);
5274     }
5275   }
5276
5277   if (filename_anim_initial == NULL)
5278   {
5279     /* read settings for busy animation from static default artwork config */
5280     for (i = 0; image_config[i].token != NULL; i++)
5281     {
5282       if (strEqual(image_config[i].token, anim_token))
5283         filename_anim_initial = getStringCopy(image_config[i].value);
5284       else if (strlen(image_config[i].token) > len_anim_token &&
5285                strncmp(image_config[i].token, anim_token, len_anim_token) == 0)
5286       {
5287         for (j = 0; image_config_suffix[j].token != NULL; j++)
5288         {
5289           if (strEqual(&image_config[i].token[len_anim_token],
5290                        image_config_suffix[j].token))
5291             parameter[j] =
5292               get_graphic_parameter_value(image_config[i].value,
5293                                           image_config_suffix[j].token,
5294                                           image_config_suffix[j].type);
5295         }
5296       }
5297     }
5298   }
5299
5300   if (filename_anim_initial == NULL)    /* should not happen */
5301     Error(ERR_EXIT, "cannot get filename for '%s'", CONFIG_TOKEN_GLOBAL_BUSY);
5302
5303   anim_initial.bitmaps =
5304     checked_calloc(sizeof(Bitmap *) * NUM_IMG_BITMAP_POINTERS);
5305
5306   anim_initial.bitmaps[IMG_BITMAP_STANDARD] =
5307     LoadCustomImage(filename_anim_initial);
5308
5309   checked_free(filename_anim_initial);
5310
5311   graphic_info = &anim_initial;         /* graphic == 0 => anim_initial */
5312
5313   set_graphic_parameters_ext(0, parameter, anim_initial.bitmaps);
5314
5315   graphic_info = graphic_info_last;
5316
5317   init.busy.width  = anim_initial.width;
5318   init.busy.height = anim_initial.height;
5319
5320   InitMenuDesignSettings_Static();
5321
5322   InitGfxDrawBusyAnimFunction(DrawInitAnim);
5323   InitGfxDrawGlobalAnimFunction(DrawGlobalAnim);
5324   InitGfxDrawGlobalBorderFunction(DrawMaskedBorderToScreen);
5325
5326   /* use copy of busy animation to prevent change while reloading artwork */
5327   init_last = init;
5328 }
5329
5330 void InitGfxBackground()
5331 {
5332   fieldbuffer = bitmap_db_field;
5333   SetDrawtoField(DRAW_BACKBUFFER);
5334
5335   ClearRectangle(backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE);
5336
5337   redraw_mask = REDRAW_ALL;
5338 }
5339
5340 static void InitLevelInfo()
5341 {
5342   LoadLevelInfo();                              /* global level info */
5343   LoadLevelSetup_LastSeries();                  /* last played series info */
5344   LoadLevelSetup_SeriesInfo();                  /* last played level info */
5345
5346   if (global.autoplay_leveldir &&
5347       global.autoplay_mode != AUTOPLAY_TEST)
5348   {
5349     leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
5350                                                  global.autoplay_leveldir);
5351     if (leveldir_current == NULL)
5352       leveldir_current = getFirstValidTreeInfoEntry(leveldir_first);
5353   }
5354 }
5355
5356 static void InitLevelArtworkInfo()
5357 {
5358   LoadLevelArtworkInfo();
5359 }
5360
5361 static void InitImages()
5362 {
5363   print_timestamp_init("InitImages");
5364
5365 #if 0
5366   printf("::: leveldir_current->identifier == '%s'\n",
5367          leveldir_current == NULL ? "[NULL]" : leveldir_current->identifier);
5368   printf("::: leveldir_current->graphics_path == '%s'\n",
5369          leveldir_current == NULL ? "[NULL]" : leveldir_current->graphics_path);
5370   printf("::: leveldir_current->graphics_set == '%s'\n",
5371          leveldir_current == NULL ? "[NULL]" : leveldir_current->graphics_set);
5372   printf("::: getLevelArtworkSet(ARTWORK_TYPE_GRAPHICS) == '%s'\n",
5373          leveldir_current == NULL ? "[NULL]" : LEVELDIR_ARTWORK_SET(leveldir_current, ARTWORK_TYPE_GRAPHICS));
5374 #endif
5375
5376   setLevelArtworkDir(artwork.gfx_first);
5377
5378 #if 0
5379   printf("::: leveldir_current->identifier == '%s'\n",
5380          leveldir_current == NULL ? "[NULL]" : leveldir_current->identifier);
5381   printf("::: leveldir_current->graphics_path == '%s'\n",
5382          leveldir_current == NULL ? "[NULL]" : leveldir_current->graphics_path);
5383   printf("::: leveldir_current->graphics_set == '%s'\n",
5384          leveldir_current == NULL ? "[NULL]" : leveldir_current->graphics_set);
5385   printf("::: getLevelArtworkSet(ARTWORK_TYPE_GRAPHICS) == '%s'\n",
5386          leveldir_current == NULL ? "[NULL]" : LEVELDIR_ARTWORK_SET(leveldir_current, ARTWORK_TYPE_GRAPHICS));
5387 #endif
5388
5389 #if 0
5390   printf("::: InitImages for '%s' ['%s', '%s'] ['%s', '%s']\n",
5391          leveldir_current->identifier,
5392          artwork.gfx_current_identifier,
5393          artwork.gfx_current->identifier,
5394          leveldir_current->graphics_set,
5395          leveldir_current->graphics_path);
5396 #endif
5397
5398   UPDATE_BUSY_STATE();
5399
5400   ReloadCustomImages();
5401   print_timestamp_time("ReloadCustomImages");
5402
5403   UPDATE_BUSY_STATE();
5404
5405   LoadCustomElementDescriptions();
5406   print_timestamp_time("LoadCustomElementDescriptions");
5407
5408   UPDATE_BUSY_STATE();
5409
5410   LoadMenuDesignSettings();
5411   print_timestamp_time("LoadMenuDesignSettings");
5412
5413   UPDATE_BUSY_STATE();
5414
5415   ReinitializeGraphics();
5416   print_timestamp_time("ReinitializeGraphics");
5417
5418   UPDATE_BUSY_STATE();
5419
5420   print_timestamp_done("InitImages");
5421 }
5422
5423 static void InitSound(char *identifier)
5424 {
5425   print_timestamp_init("InitSound");
5426
5427   if (identifier == NULL)
5428     identifier = artwork.snd_current->identifier;
5429
5430   /* set artwork path to send it to the sound server process */
5431   setLevelArtworkDir(artwork.snd_first);
5432
5433   InitReloadCustomSounds(identifier);
5434   print_timestamp_time("InitReloadCustomSounds");
5435
5436   ReinitializeSounds();
5437   print_timestamp_time("ReinitializeSounds");
5438
5439   print_timestamp_done("InitSound");
5440 }
5441
5442 static void InitMusic(char *identifier)
5443 {
5444   print_timestamp_init("InitMusic");
5445
5446   if (identifier == NULL)
5447     identifier = artwork.mus_current->identifier;
5448
5449   /* set artwork path to send it to the sound server process */
5450   setLevelArtworkDir(artwork.mus_first);
5451
5452   InitReloadCustomMusic(identifier);
5453   print_timestamp_time("InitReloadCustomMusic");
5454
5455   ReinitializeMusic();
5456   print_timestamp_time("ReinitializeMusic");
5457
5458   print_timestamp_done("InitMusic");
5459 }
5460
5461 void InitNetworkServer()
5462 {
5463 #if defined(NETWORK_AVALIABLE)
5464   int nr_wanted;
5465 #endif
5466
5467   if (!options.network)
5468     return;
5469
5470 #if defined(NETWORK_AVALIABLE)
5471   nr_wanted = Request("Choose player", REQ_PLAYER | REQ_STAY_CLOSED);
5472
5473   if (!ConnectToServer(options.server_host, options.server_port))
5474     Error(ERR_EXIT, "cannot connect to network game server");
5475
5476   SendToServer_PlayerName(setup.player_name);
5477   SendToServer_ProtocolVersion();
5478
5479   if (nr_wanted)
5480     SendToServer_NrWanted(nr_wanted);
5481 #endif
5482 }
5483
5484 static boolean CheckArtworkConfigForCustomElements(char *filename)
5485 {
5486   SetupFileHash *setup_file_hash;
5487   boolean redefined_ce_found = FALSE;
5488
5489   /* !!! CACHE THIS BY USING HASH 'filename' => 'true/false' !!! */
5490
5491   if ((setup_file_hash = loadSetupFileHash(filename)) != NULL)
5492   {
5493     BEGIN_HASH_ITERATION(setup_file_hash, itr)
5494     {
5495       char *token = HASH_ITERATION_TOKEN(itr);
5496
5497       if (strPrefix(token, "custom_"))
5498       {
5499         redefined_ce_found = TRUE;
5500
5501         break;
5502       }
5503     }
5504     END_HASH_ITERATION(setup_file_hash, itr)
5505
5506     freeSetupFileHash(setup_file_hash);
5507   }
5508
5509   return redefined_ce_found;
5510 }
5511
5512 static boolean CheckArtworkTypeForRedefinedCustomElements(int type)
5513 {
5514   char *filename_base, *filename_local;
5515   boolean redefined_ce_found = FALSE;
5516
5517   setLevelArtworkDir(ARTWORK_FIRST_NODE(artwork, type));
5518
5519 #if 0
5520   printf("::: leveldir_current->identifier == '%s'\n",
5521          leveldir_current == NULL ? "[NULL]" : leveldir_current->identifier);
5522   printf("::: leveldir_current->graphics_path == '%s'\n",
5523          leveldir_current == NULL ? "[NULL]" : leveldir_current->graphics_path);
5524   printf("::: leveldir_current->graphics_set == '%s'\n",
5525          leveldir_current == NULL ? "[NULL]" : leveldir_current->graphics_set);
5526   printf("::: getLevelArtworkSet(ARTWORK_TYPE_GRAPHICS) == '%s'\n",
5527          leveldir_current == NULL ? "[NULL]" :
5528          LEVELDIR_ARTWORK_SET(leveldir_current, type));
5529 #endif
5530
5531   /* first look for special artwork configured in level series config */
5532   filename_base = getCustomArtworkLevelConfigFilename(type);
5533
5534 #if 0
5535   printf("::: filename_base == '%s'\n", filename_base);
5536 #endif
5537
5538   if (fileExists(filename_base))
5539     redefined_ce_found |= CheckArtworkConfigForCustomElements(filename_base);
5540
5541   filename_local = getCustomArtworkConfigFilename(type);
5542
5543 #if 0
5544   printf("::: filename_local == '%s'\n", filename_local);
5545 #endif
5546
5547   if (filename_local != NULL && !strEqual(filename_base, filename_local))
5548     redefined_ce_found |= CheckArtworkConfigForCustomElements(filename_local);
5549
5550 #if 0
5551   printf("::: redefined_ce_found == %d\n", redefined_ce_found);
5552 #endif
5553
5554   return redefined_ce_found;
5555 }
5556
5557 static void InitOverrideArtwork()
5558 {
5559   boolean redefined_ce_found = FALSE;
5560
5561   /* to check if this level set redefines any CEs, do not use overriding */
5562   gfx.override_level_graphics = FALSE;
5563   gfx.override_level_sounds   = FALSE;
5564   gfx.override_level_music    = FALSE;
5565
5566   /* now check if this level set has definitions for custom elements */
5567   if (setup.override_level_graphics == AUTO ||
5568       setup.override_level_sounds   == AUTO ||
5569       setup.override_level_music    == AUTO)
5570     redefined_ce_found =
5571       (CheckArtworkTypeForRedefinedCustomElements(ARTWORK_TYPE_GRAPHICS) |
5572        CheckArtworkTypeForRedefinedCustomElements(ARTWORK_TYPE_SOUNDS) |
5573        CheckArtworkTypeForRedefinedCustomElements(ARTWORK_TYPE_MUSIC));
5574
5575 #if 0
5576   printf("::: redefined_ce_found == %d\n", redefined_ce_found);
5577 #endif
5578
5579   if (redefined_ce_found)
5580   {
5581     /* this level set has CE definitions: change "AUTO" to "FALSE" */
5582     gfx.override_level_graphics = (setup.override_level_graphics == TRUE);
5583     gfx.override_level_sounds   = (setup.override_level_sounds   == TRUE);
5584     gfx.override_level_music    = (setup.override_level_music    == TRUE);
5585   }
5586   else
5587   {
5588     /* this level set has no CE definitions: change "AUTO" to "TRUE" */
5589     gfx.override_level_graphics = (setup.override_level_graphics != FALSE);
5590     gfx.override_level_sounds   = (setup.override_level_sounds   != FALSE);
5591     gfx.override_level_music    = (setup.override_level_music    != FALSE);
5592   }
5593
5594 #if 0
5595   printf("::: => %d, %d, %d\n",
5596          gfx.override_level_graphics,
5597          gfx.override_level_sounds,
5598          gfx.override_level_music);
5599 #endif
5600 }
5601
5602 static char *getNewArtworkIdentifier(int type)
5603 {
5604   static char *leveldir_current_identifier[3] = { NULL, NULL, NULL };
5605   static boolean last_override_level_artwork[3] = { FALSE, FALSE, FALSE };
5606   static boolean last_has_level_artwork_set[3] = { FALSE, FALSE, FALSE };
5607   static boolean initialized[3] = { FALSE, FALSE, FALSE };
5608   TreeInfo *artwork_first_node = ARTWORK_FIRST_NODE(artwork, type);
5609   boolean setup_override_artwork = GFX_OVERRIDE_ARTWORK(type);
5610   char *setup_artwork_set = SETUP_ARTWORK_SET(setup, type);
5611   char *leveldir_identifier = leveldir_current->identifier;
5612   /* !!! setLevelArtworkDir() should be moved to an earlier stage !!! */
5613   char *leveldir_artwork_set = setLevelArtworkDir(artwork_first_node);
5614   boolean has_level_artwork_set = (leveldir_artwork_set != NULL);
5615   char *artwork_current_identifier;
5616   char *artwork_new_identifier = NULL;  /* default: nothing has changed */
5617
5618   /* leveldir_current may be invalid (level group, parent link) */
5619   if (!validLevelSeries(leveldir_current))
5620     return NULL;
5621
5622   /* 1st step: determine artwork set to be activated in descending order:
5623      --------------------------------------------------------------------
5624      1. setup artwork (when configured to override everything else)
5625      2. artwork set configured in "levelinfo.conf" of current level set
5626         (artwork in level directory will have priority when loading later)
5627      3. artwork in level directory (stored in artwork sub-directory)
5628      4. setup artwork (currently configured in setup menu) */
5629
5630   if (setup_override_artwork)
5631     artwork_current_identifier = setup_artwork_set;
5632   else if (leveldir_artwork_set != NULL)
5633     artwork_current_identifier = leveldir_artwork_set;
5634   else if (getTreeInfoFromIdentifier(artwork_first_node, leveldir_identifier))
5635     artwork_current_identifier = leveldir_identifier;
5636   else
5637     artwork_current_identifier = setup_artwork_set;
5638
5639
5640   /* 2nd step: check if it is really needed to reload artwork set
5641      ------------------------------------------------------------ */
5642
5643   /* ---------- reload if level set and also artwork set has changed ------- */
5644   if (leveldir_current_identifier[type] != leveldir_identifier &&
5645       (last_has_level_artwork_set[type] || has_level_artwork_set))
5646     artwork_new_identifier = artwork_current_identifier;
5647
5648   leveldir_current_identifier[type] = leveldir_identifier;
5649   last_has_level_artwork_set[type] = has_level_artwork_set;
5650
5651   /* ---------- reload if "override artwork" setting has changed ----------- */
5652   if (last_override_level_artwork[type] != setup_override_artwork)
5653     artwork_new_identifier = artwork_current_identifier;
5654
5655   last_override_level_artwork[type] = setup_override_artwork;
5656
5657   /* ---------- reload if current artwork identifier has changed ----------- */
5658   if (!strEqual(ARTWORK_CURRENT_IDENTIFIER(artwork, type),
5659                 artwork_current_identifier))
5660     artwork_new_identifier = artwork_current_identifier;
5661
5662   *(ARTWORK_CURRENT_IDENTIFIER_PTR(artwork, type))= artwork_current_identifier;
5663
5664   /* ---------- do not reload directly after starting ---------------------- */
5665   if (!initialized[type])
5666     artwork_new_identifier = NULL;
5667
5668   initialized[type] = TRUE;
5669
5670   return artwork_new_identifier;
5671 }
5672
5673 void ReloadCustomArtwork(int force_reload)
5674 {
5675   int last_game_status = game_status;   /* save current game status */
5676   char *gfx_new_identifier;
5677   char *snd_new_identifier;
5678   char *mus_new_identifier;
5679   boolean force_reload_gfx = (force_reload & (1 << ARTWORK_TYPE_GRAPHICS));
5680   boolean force_reload_snd = (force_reload & (1 << ARTWORK_TYPE_SOUNDS));
5681   boolean force_reload_mus = (force_reload & (1 << ARTWORK_TYPE_MUSIC));
5682   boolean reload_needed;
5683
5684   InitOverrideArtwork();
5685
5686   force_reload_gfx |= AdjustGraphicsForEMC();
5687
5688   gfx_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_GRAPHICS);
5689   snd_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_SOUNDS);
5690   mus_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_MUSIC);
5691
5692   reload_needed = (gfx_new_identifier != NULL || force_reload_gfx ||
5693                    snd_new_identifier != NULL || force_reload_snd ||
5694                    mus_new_identifier != NULL || force_reload_mus);
5695
5696   if (!reload_needed)
5697     return;
5698
5699   print_timestamp_init("ReloadCustomArtwork");
5700
5701   game_status = GAME_MODE_LOADING;
5702
5703   FadeOut(REDRAW_ALL);
5704
5705   ClearRectangle(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
5706   print_timestamp_time("ClearRectangle");
5707
5708   FadeIn(REDRAW_ALL);
5709
5710   if (gfx_new_identifier != NULL || force_reload_gfx)
5711   {
5712 #if 0
5713     printf("RELOADING GRAPHICS '%s' -> '%s' ['%s', '%s']\n",
5714            artwork.gfx_current_identifier,
5715            gfx_new_identifier,
5716            artwork.gfx_current->identifier,
5717            leveldir_current->graphics_set);
5718 #endif
5719
5720     InitImages();
5721     print_timestamp_time("InitImages");
5722   }
5723
5724   if (snd_new_identifier != NULL || force_reload_snd)
5725   {
5726     InitSound(snd_new_identifier);
5727     print_timestamp_time("InitSound");
5728   }
5729
5730   if (mus_new_identifier != NULL || force_reload_mus)
5731   {
5732     InitMusic(mus_new_identifier);
5733     print_timestamp_time("InitMusic");
5734   }
5735
5736   game_status = last_game_status;       /* restore current game status */
5737
5738   init_last = init;                     /* switch to new busy animation */
5739
5740   FadeOut(REDRAW_ALL);
5741
5742   RedrawGlobalBorder();
5743
5744   /* force redraw of (open or closed) door graphics */
5745   SetDoorState(DOOR_OPEN_ALL);
5746   CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
5747
5748   FadeSetEnterScreen();
5749   FadeSkipNextFadeOut();
5750
5751   print_timestamp_done("ReloadCustomArtwork");
5752
5753   LimitScreenUpdates(FALSE);
5754 }
5755
5756 void KeyboardAutoRepeatOffUnlessAutoplay()
5757 {
5758   if (global.autoplay_leveldir == NULL)
5759     KeyboardAutoRepeatOff();
5760 }
5761
5762 void DisplayExitMessage(char *format, va_list ap)
5763 {
5764   // check if draw buffer and fonts for exit message are already available
5765   if (drawto == NULL || font_initial[NUM_INITIAL_FONTS - 1].bitmap == NULL)
5766     return;
5767
5768   int font_1 = FC_RED;
5769   int font_2 = FC_YELLOW;
5770   int font_3 = FC_BLUE;
5771   int font_width = getFontWidth(font_2);
5772   int font_height = getFontHeight(font_2);
5773   int sx = SX;
5774   int sy = SY;
5775   int sxsize = WIN_XSIZE - 2 * sx;
5776   int sysize = WIN_YSIZE - 2 * sy;
5777   int line_length = sxsize / font_width;
5778   int max_lines = sysize / font_height;
5779   int num_lines_printed;
5780
5781   gfx.sx = sx;
5782   gfx.sy = sy;
5783   gfx.sxsize = sxsize;
5784   gfx.sysize = sysize;
5785
5786   sy = 20;
5787
5788   ClearRectangle(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
5789
5790   DrawTextSCentered(sy, font_1, "Fatal error:");
5791   sy += 3 * font_height;;
5792
5793   num_lines_printed =
5794     DrawTextBufferVA(sx, sy, format, ap, font_2,
5795                      line_length, line_length, max_lines,
5796                      0, BLIT_ON_BACKGROUND, TRUE, TRUE, FALSE);
5797   sy += (num_lines_printed + 3) * font_height;
5798
5799   DrawTextSCentered(sy, font_1, "For details, see the following error file:");
5800   sy += 3 * font_height;
5801
5802   num_lines_printed =
5803     DrawTextBuffer(sx, sy, program.log_filename[LOG_ERR_ID], font_2,
5804                    line_length, line_length, max_lines,
5805                    0, BLIT_ON_BACKGROUND, TRUE, TRUE, FALSE);
5806
5807   DrawTextSCentered(SYSIZE - 20, font_3, "Press any key or button to exit");
5808
5809   redraw_mask = REDRAW_ALL;
5810
5811   /* force drawing exit message even if screen updates are currently limited */
5812   LimitScreenUpdates(FALSE);
5813
5814   BackToFront();
5815
5816   /* deactivate toons on error message screen */
5817   setup.toons = FALSE;
5818
5819   WaitForEventToContinue();
5820 }
5821
5822
5823 /* ========================================================================= */
5824 /* OpenAll()                                                                 */
5825 /* ========================================================================= */
5826
5827 void OpenAll()
5828 {
5829   print_timestamp_init("OpenAll");
5830
5831   game_status = GAME_MODE_LOADING;
5832
5833   InitCounter();
5834
5835   InitGlobal();                 /* initialize some global variables */
5836
5837   print_timestamp_time("[init global stuff]");
5838
5839   InitSetup();
5840
5841   print_timestamp_time("[init setup/config stuff (1)]");
5842
5843   if (options.execute_command)
5844     Execute_Command(options.execute_command);
5845
5846   if (options.serveronly)
5847   {
5848 #if defined(PLATFORM_UNIX)
5849     NetworkServer(options.server_port, options.serveronly);
5850 #else
5851     Error(ERR_WARN, "networking only supported in Unix version");
5852 #endif
5853
5854     exit(0);                    /* never reached, server loops forever */
5855   }
5856
5857   InitGameInfo();
5858   print_timestamp_time("[init setup/config stuff (2)]");
5859   InitPlayerInfo();
5860   print_timestamp_time("[init setup/config stuff (3)]");
5861   InitArtworkInfo();            /* needed before loading gfx, sound & music */
5862   print_timestamp_time("[init setup/config stuff (4)]");
5863   InitArtworkConfig();          /* needed before forking sound child process */
5864   print_timestamp_time("[init setup/config stuff (5)]");
5865   InitMixer();
5866   print_timestamp_time("[init setup/config stuff (6)]");
5867
5868   InitRND(NEW_RANDOMIZE);
5869   InitSimpleRandom(NEW_RANDOMIZE);
5870
5871   InitJoysticks();
5872
5873   print_timestamp_time("[init setup/config stuff]");
5874
5875   InitVideoDisplay();
5876   InitVideoBuffer(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH, setup.fullscreen);
5877
5878   InitEventFilter(FilterEvents);
5879
5880   print_timestamp_time("[init video stuff]");
5881
5882   InitElementPropertiesStatic();
5883   InitElementPropertiesEngine(GAME_VERSION_ACTUAL);
5884   InitElementPropertiesGfxElement();
5885
5886   print_timestamp_time("[init element properties stuff]");
5887
5888   InitGfx();
5889
5890   print_timestamp_time("InitGfx");
5891
5892   InitLevelInfo();
5893   print_timestamp_time("InitLevelInfo");
5894
5895   InitLevelArtworkInfo();
5896   print_timestamp_time("InitLevelArtworkInfo");
5897
5898   InitOverrideArtwork();        /* needs to know current level directory */
5899   print_timestamp_time("InitOverrideArtwork");
5900
5901   InitImages();                 /* needs to know current level directory */
5902   print_timestamp_time("InitImages");
5903
5904   InitSound(NULL);              /* needs to know current level directory */
5905   print_timestamp_time("InitSound");
5906
5907   InitMusic(NULL);              /* needs to know current level directory */
5908   print_timestamp_time("InitMusic");
5909
5910   InitGfxBackground();
5911
5912   em_open_all();
5913   sp_open_all();
5914
5915   if (global.autoplay_leveldir)
5916   {
5917     AutoPlayTape();
5918     return;
5919   }
5920   else if (global.convert_leveldir)
5921   {
5922     ConvertLevels();
5923     return;
5924   }
5925   else if (global.create_images_dir)
5926   {
5927     CreateLevelSketchImages();
5928     return;
5929   }
5930
5931   game_status = GAME_MODE_MAIN;
5932
5933   FadeSetEnterScreen();
5934   if (!(fading.fade_mode & FADE_TYPE_TRANSFORM))
5935     FadeSkipNextFadeOut();
5936
5937   print_timestamp_time("[post-artwork]");
5938
5939   print_timestamp_done("OpenAll");
5940
5941   DrawMainMenu();
5942
5943   InitNetworkServer();
5944
5945 #if 0
5946   Error(ERR_DEBUG, "::: SDL_GetBasePath() == '%s'",
5947         SDL_GetBasePath());
5948   Error(ERR_DEBUG, "::: SDL_GetPrefPath() == '%s'",
5949         SDL_GetPrefPath("artsoft", "rocksndiamonds"));
5950 #if defined(PLATFORM_ANDROID)
5951   Error(ERR_DEBUG, "::: SDL_AndroidGetInternalStoragePath() == '%s'",
5952         SDL_AndroidGetInternalStoragePath());
5953   Error(ERR_DEBUG, "::: SDL_AndroidGetExternalStoragePath() == '%s'",
5954         SDL_AndroidGetExternalStoragePath());
5955   Error(ERR_DEBUG, "::: SDL_AndroidGetExternalStorageState() == '%s'",
5956         (SDL_AndroidGetExternalStorageState() ==
5957          SDL_ANDROID_EXTERNAL_STORAGE_READ ? "read" :
5958          SDL_AndroidGetExternalStorageState() ==
5959          SDL_ANDROID_EXTERNAL_STORAGE_WRITE ? "write" : "not available"));
5960 #endif
5961 #endif
5962 }
5963
5964 void CloseAllAndExit(int exit_value)
5965 {
5966   StopSounds();
5967   FreeAllSounds();
5968   FreeAllMusic();
5969   CloseAudio();         /* called after freeing sounds (needed for SDL) */
5970
5971   em_close_all();
5972   sp_close_all();
5973
5974   FreeAllImages();
5975
5976 #if defined(TARGET_SDL)
5977 #if defined(TARGET_SDL2)
5978   // !!! TODO !!!
5979   // set a flag to tell the network server thread to quit and wait for it
5980   // using SDL_WaitThread()
5981 #else
5982   if (network_server)   /* terminate network server */
5983     SDL_KillThread(server_thread);
5984 #endif
5985 #endif
5986
5987   CloseVideoDisplay();
5988   ClosePlatformDependentStuff();
5989
5990   if (exit_value != 0)
5991   {
5992     /* fall back to default level set (current set may have caused an error) */
5993     SaveLevelSetup_LastSeries_Deactivate();
5994
5995     /* tell user where to find error log file which may contain more details */
5996     // (error notification now directly displayed on screen inside R'n'D
5997     // NotifyUserAboutErrorFile();      /* currently only works for Windows */
5998   }
5999
6000   exit(exit_value);
6001 }