src/init.c

   1 /***********************************************************
   2 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
   3 *----------------------------------------------------------*
   4 * (c) 1995-2006 Artsoft Entertainment                      *
   5 *               Holger Schemel                             *
   6 *               Detmolder Strasse 189                      *
   7 *               33604 Bielefeld                            *
   8 *               Germany                                    *
   9 *               e-mail: info@artsoft.org                   *
  10 *----------------------------------------------------------*
  11 * init.c                                                   *
  12 ***********************************************************/
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "init.h"
  17 #include "events.h"
  18 #include "screens.h"
  19 #include "editor.h"
  20 #include "game.h"
  21 #include "tape.h"
  22 #include "tools.h"
  23 #include "files.h"
  24 #include "network.h"
  25 #include "netserv.h"
  26 #include "cartoons.h"
  27 #include "config.h"
  28
  29 #include "conf_e2g.c"   /* include auto-generated data structure definitions */
  30 #include "conf_esg.c"   /* include auto-generated data structure definitions */
  31 #include "conf_e2s.c"   /* include auto-generated data structure definitions */
  32 #include "conf_fnt.c"   /* include auto-generated data structure definitions */
  33 #include "conf_g2s.c"   /* include auto-generated data structure definitions */
  34 #include "conf_g2m.c"   /* include auto-generated data structure definitions */
  35
  36
  37 #define CONFIG_TOKEN_FONT_INITIAL               "font.initial"
  38
  39
  40 static struct FontBitmapInfo font_initial[NUM_INITIAL_FONTS];
  41
  42 static int copy_properties[][5] =
  43 {
  44   {
  45     EL_BUG,
  46     EL_BUG_LEFT,                EL_BUG_RIGHT,
  47     EL_BUG_UP,                  EL_BUG_DOWN
  48   },
  49   {
  50     EL_SPACESHIP,
  51     EL_SPACESHIP_LEFT,          EL_SPACESHIP_RIGHT,
  52     EL_SPACESHIP_UP,            EL_SPACESHIP_DOWN
  53   },
  54   {
  55     EL_BD_BUTTERFLY,
  56     EL_BD_BUTTERFLY_LEFT,       EL_BD_BUTTERFLY_RIGHT,
  57     EL_BD_BUTTERFLY_UP,         EL_BD_BUTTERFLY_DOWN
  58   },
  59   {
  60     EL_BD_FIREFLY,
  61     EL_BD_FIREFLY_LEFT,         EL_BD_FIREFLY_RIGHT,
  62     EL_BD_FIREFLY_UP,           EL_BD_FIREFLY_DOWN
  63   },
  64   {
  65     EL_PACMAN,
  66     EL_PACMAN_LEFT,             EL_PACMAN_RIGHT,
  67     EL_PACMAN_UP,               EL_PACMAN_DOWN
  68   },
  69   {
  70     EL_YAMYAM,
  71     EL_YAMYAM_LEFT,             EL_YAMYAM_RIGHT,
  72     EL_YAMYAM_UP,               EL_YAMYAM_DOWN
  73   },
  74   {
  75     EL_MOLE,
  76     EL_MOLE_LEFT,               EL_MOLE_RIGHT,
  77     EL_MOLE_UP,                 EL_MOLE_DOWN
  78   },
  79   {
  80     -1,
  81     -1, -1, -1, -1
  82   }
  83 };
  84
  85 void FreeGadgets()
  86 {
  87   FreeLevelEditorGadgets();
  88   FreeGameButtons();
  89   FreeTapeButtons();
  90   FreeToolButtons();
  91   FreeScreenGadgets();
  92 }
  93
  94 void InitGadgets()
  95 {
  96   static boolean gadgets_initialized = FALSE;
  97
  98   if (gadgets_initialized)
  99     FreeGadgets();
 100
 101   CreateLevelEditorGadgets();
 102   CreateGameButtons();
 103   CreateTapeButtons();
 104   CreateToolButtons();
 105   CreateScreenGadgets();
 106
 107   InitGadgetsSoundCallback(PlaySoundActivating, PlaySoundSelecting);
 108
 109   gadgets_initialized = TRUE;
 110 }
 111
 112 inline void InitElementSmallImagesScaledUp(int graphic)
 113 {
 114   CreateImageWithSmallImages(graphic, graphic_info[graphic].scale_up_factor);
 115 }
 116
 117 void InitElementSmallImages()
 118 {
 119   static int special_graphics[] =
 120   {
 121     IMG_EDITOR_ELEMENT_BORDER,
 122     IMG_EDITOR_ELEMENT_BORDER_INPUT,
 123     IMG_EDITOR_CASCADE_LIST,
 124     IMG_EDITOR_CASCADE_LIST_ACTIVE,
 125     -1
 126   };
 127   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
 128   int num_property_mappings = getImageListPropertyMappingSize();
 129   int i;
 130
 131   /* initialize normal images from static configuration */
 132   for (i = 0; element_to_graphic[i].element > -1; i++)
 133     InitElementSmallImagesScaledUp(element_to_graphic[i].graphic);
 134
 135   /* initialize special images from static configuration */
 136   for (i = 0; element_to_special_graphic[i].element > -1; i++)
 137     InitElementSmallImagesScaledUp(element_to_special_graphic[i].graphic);
 138
 139   /* initialize images from dynamic configuration (may be elements or other) */
 140   for (i = 0; i < num_property_mappings; i++)
 141     InitElementSmallImagesScaledUp(property_mapping[i].artwork_index);
 142
 143   /* initialize special images from above list (non-element images) */
 144   for (i = 0; special_graphics[i] > -1; i++)
 145     InitElementSmallImagesScaledUp(special_graphics[i]);
 146 }
 147
 148 void InitScaledImages()
 149 {
 150   int i;
 151
 152   /* scale normal images from static configuration, if not already scaled */
 153   for (i = 0; i < NUM_IMAGE_FILES; i++)
 154     ScaleImage(i, graphic_info[i].scale_up_factor);
 155 }
 156
 157 #if 1
 158 /* !!! FIX THIS (CHANGE TO USING NORMAL ELEMENT GRAPHIC DEFINITIONS) !!! */
 159 void SetBitmaps_EM(Bitmap **em_bitmap)
 160 {
 161   em_bitmap[0] = graphic_info[IMG_EMC_OBJECT].bitmap;
 162   em_bitmap[1] = graphic_info[IMG_EMC_SPRITE].bitmap;
 163 }
 164 #endif
 165
 166 static int getFontBitmapID(int font_nr)
 167 {
 168   int special = -1;
 169
 170   if (game_status >= GAME_MODE_TITLE && game_status <= GAME_MODE_PSEUDO_PREVIEW)
 171     special = game_status;
 172   else if (game_status == GAME_MODE_PSEUDO_TYPENAME)
 173     special = GFX_SPECIAL_ARG_MAIN;
 174   else if (game_status == GAME_MODE_PLAYING)
 175     special = GFX_SPECIAL_ARG_DOOR;
 176
 177   if (special != -1)
 178     return font_info[font_nr].special_bitmap_id[special];
 179   else
 180     return font_nr;
 181 }
 182
 183 void InitFontGraphicInfo()
 184 {
 185   static struct FontBitmapInfo *font_bitmap_info = NULL;
 186   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
 187   int num_property_mappings = getImageListPropertyMappingSize();
 188   int num_font_bitmaps = NUM_FONTS;
 189   int i, j;
 190
 191   if (graphic_info == NULL)             /* still at startup phase */
 192   {
 193     InitFontInfo(font_initial, NUM_INITIAL_FONTS, getFontBitmapID);
 194
 195     return;
 196   }
 197
 198   /* ---------- initialize font graphic definitions ---------- */
 199
 200   /* always start with reliable default values (normal font graphics) */
 201   for (i = 0; i < NUM_FONTS; i++)
 202     font_info[i].graphic = IMG_FONT_INITIAL_1;
 203
 204   /* initialize normal font/graphic mapping from static configuration */
 205   for (i = 0; font_to_graphic[i].font_nr > -1; i++)
 206   {
 207     int font_nr = font_to_graphic[i].font_nr;
 208     int special = font_to_graphic[i].special;
 209     int graphic = font_to_graphic[i].graphic;
 210
 211     if (special != -1)
 212       continue;
 213
 214     font_info[font_nr].graphic = graphic;
 215   }
 216
 217   /* always start with reliable default values (special font graphics) */
 218   for (i = 0; i < NUM_FONTS; i++)
 219   {
 220     for (j = 0; j < NUM_SPECIAL_GFX_ARGS; j++)
 221     {
 222       font_info[i].special_graphic[j] = font_info[i].graphic;
 223       font_info[i].special_bitmap_id[j] = i;
 224     }
 225   }
 226
 227   /* initialize special font/graphic mapping from static configuration */
 228   for (i = 0; font_to_graphic[i].font_nr > -1; i++)
 229   {
 230     int font_nr      = font_to_graphic[i].font_nr;
 231     int special      = font_to_graphic[i].special;
 232     int graphic      = font_to_graphic[i].graphic;
 233     int base_graphic = font2baseimg(font_nr);
 234
 235     if (special >= 0 && special < NUM_SPECIAL_GFX_ARGS)
 236     {
 237       boolean base_redefined =
 238         getImageListEntryFromImageID(base_graphic)->redefined;
 239       boolean special_redefined =
 240         getImageListEntryFromImageID(graphic)->redefined;
 241
 242       /* if the base font ("font.title_1", for example) has been redefined,
 243          but not the special font ("font.title_1.LEVELS", for example), do not
 244          use an existing (in this case considered obsolete) special font
 245          anymore, but use the automatically determined default font */
 246       if (base_redefined && !special_redefined)
 247         continue;
 248
 249       font_info[font_nr].special_graphic[special] = graphic;
 250       font_info[font_nr].special_bitmap_id[special] = num_font_bitmaps;
 251       num_font_bitmaps++;
 252     }
 253   }
 254
 255   /* initialize special font/graphic mapping from dynamic configuration */
 256   for (i = 0; i < num_property_mappings; i++)
 257   {
 258     int font_nr = property_mapping[i].base_index - MAX_NUM_ELEMENTS;
 259     int special = property_mapping[i].ext3_index;
 260     int graphic = property_mapping[i].artwork_index;
 261
 262     if (font_nr < 0)
 263       continue;
 264
 265     if (special >= 0 && special < NUM_SPECIAL_GFX_ARGS)
 266     {
 267       font_info[font_nr].special_graphic[special] = graphic;
 268       font_info[font_nr].special_bitmap_id[special] = num_font_bitmaps;
 269       num_font_bitmaps++;
 270     }
 271   }
 272
 273   /* reset non-redefined ".active" font graphics if normal font is redefined */
 274   /* (this different treatment is needed because normal and active fonts are
 275      independently defined ("active" is not a property of font definitions!) */
 276   for (i = 0; i < NUM_FONTS; i++)
 277   {
 278     int font_nr_base = i;
 279     int font_nr_active = FONT_ACTIVE(font_nr_base);
 280
 281     /* check only those fonts with exist as normal and ".active" variant */
 282     if (font_nr_base != font_nr_active)
 283     {
 284       int base_graphic = font_info[font_nr_base].graphic;
 285       int active_graphic = font_info[font_nr_active].graphic;
 286       boolean base_redefined =
 287         getImageListEntryFromImageID(base_graphic)->redefined;
 288       boolean active_redefined =
 289         getImageListEntryFromImageID(active_graphic)->redefined;
 290
 291       /* if the base font ("font.menu_1", for example) has been redefined,
 292          but not the active font ("font.menu_1.active", for example), do not
 293          use an existing (in this case considered obsolete) active font
 294          anymore, but use the automatically determined default font */
 295       if (base_redefined && !active_redefined)
 296         font_info[font_nr_active].graphic = base_graphic;
 297
 298       /* now also check each "special" font (which may be the same as above) */
 299       for (j = 0; j < NUM_SPECIAL_GFX_ARGS; j++)
 300       {
 301         int base_graphic = font_info[font_nr_base].special_graphic[j];
 302         int active_graphic = font_info[font_nr_active].special_graphic[j];
 303         boolean base_redefined =
 304           getImageListEntryFromImageID(base_graphic)->redefined;
 305         boolean active_redefined =
 306           getImageListEntryFromImageID(active_graphic)->redefined;
 307
 308         /* same as above, but check special graphic definitions, for example:
 309            redefined "font.menu_1.MAIN" invalidates "font.menu_1.active.MAIN" */
 310         if (base_redefined && !active_redefined)
 311         {
 312           font_info[font_nr_active].special_graphic[j] =
 313             font_info[font_nr_base].special_graphic[j];
 314           font_info[font_nr_active].special_bitmap_id[j] =
 315             font_info[font_nr_base].special_bitmap_id[j];
 316         }
 317       }
 318     }
 319   }
 320
 321   /* ---------- initialize font bitmap array ---------- */
 322
 323   if (font_bitmap_info != NULL)
 324     FreeFontInfo(font_bitmap_info);
 325
 326   font_bitmap_info =
 327     checked_calloc(num_font_bitmaps * sizeof(struct FontBitmapInfo));
 328
 329   /* ---------- initialize font bitmap definitions ---------- */
 330
 331   for (i = 0; i < NUM_FONTS; i++)
 332   {
 333     if (i < NUM_INITIAL_FONTS)
 334     {
 335       font_bitmap_info[i] = font_initial[i];
 336       continue;
 337     }
 338
 339     for (j = 0; j < NUM_SPECIAL_GFX_ARGS; j++)
 340     {
 341       int font_bitmap_id = font_info[i].special_bitmap_id[j];
 342       int graphic = font_info[i].special_graphic[j];
 343
 344       /* set 'graphic_info' for font entries, if uninitialized (guessed) */
 345       if (graphic_info[graphic].anim_frames < MIN_NUM_CHARS_PER_FONT)
 346       {
 347         graphic_info[graphic].anim_frames = DEFAULT_NUM_CHARS_PER_FONT;
 348         graphic_info[graphic].anim_frames_per_line = DEFAULT_NUM_CHARS_PER_LINE;
 349       }
 350
 351       /* copy font relevant information from graphics information */
 352       font_bitmap_info[font_bitmap_id].bitmap = graphic_info[graphic].bitmap;
 353       font_bitmap_info[font_bitmap_id].src_x  = graphic_info[graphic].src_x;
 354       font_bitmap_info[font_bitmap_id].src_y  = graphic_info[graphic].src_y;
 355       font_bitmap_info[font_bitmap_id].width  = graphic_info[graphic].width;
 356       font_bitmap_info[font_bitmap_id].height = graphic_info[graphic].height;
 357
 358       font_bitmap_info[font_bitmap_id].draw_xoffset =
 359         graphic_info[graphic].draw_xoffset;
 360       font_bitmap_info[font_bitmap_id].draw_yoffset =
 361         graphic_info[graphic].draw_yoffset;
 362
 363       font_bitmap_info[font_bitmap_id].num_chars =
 364         graphic_info[graphic].anim_frames;
 365       font_bitmap_info[font_bitmap_id].num_chars_per_line =
 366         graphic_info[graphic].anim_frames_per_line;
 367     }
 368   }
 369
 370   InitFontInfo(font_bitmap_info, num_font_bitmaps, getFontBitmapID);
 371 }
 372
 373 void InitElementGraphicInfo()
 374 {
 375   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
 376   int num_property_mappings = getImageListPropertyMappingSize();
 377   int i, act, dir;
 378
 379   if (graphic_info == NULL)             /* still at startup phase */
 380     return;
 381
 382   /* set values to -1 to identify later as "uninitialized" values */
 383   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 384   {
 385     for (act = 0; act < NUM_ACTIONS; act++)
 386     {
 387       element_info[i].graphic[act] = -1;
 388       element_info[i].crumbled[act] = -1;
 389
 390       for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 391       {
 392         element_info[i].direction_graphic[act][dir] = -1;
 393         element_info[i].direction_crumbled[act][dir] = -1;
 394       }
 395     }
 396   }
 397
 398   /* initialize normal element/graphic mapping from static configuration */
 399   for (i = 0; element_to_graphic[i].element > -1; i++)
 400   {
 401     int element      = element_to_graphic[i].element;
 402     int action       = element_to_graphic[i].action;
 403     int direction    = element_to_graphic[i].direction;
 404     boolean crumbled = element_to_graphic[i].crumbled;
 405     int graphic      = element_to_graphic[i].graphic;
 406     int base_graphic = el2baseimg(element);
 407
 408     if (graphic_info[graphic].bitmap == NULL)
 409       continue;
 410
 411     if ((action > -1 || direction > -1 || crumbled == TRUE) &&
 412         base_graphic != -1)
 413     {
 414       boolean base_redefined =
 415         getImageListEntryFromImageID(base_graphic)->redefined;
 416       boolean act_dir_redefined =
 417         getImageListEntryFromImageID(graphic)->redefined;
 418
 419       /* if the base graphic ("emerald", for example) has been redefined,
 420          but not the action graphic ("emerald.falling", for example), do not
 421          use an existing (in this case considered obsolete) action graphic
 422          anymore, but use the automatically determined default graphic */
 423       if (base_redefined && !act_dir_redefined)
 424         continue;
 425     }
 426
 427     if (action < 0)
 428       action = ACTION_DEFAULT;
 429
 430     if (crumbled)
 431     {
 432       if (direction > -1)
 433         element_info[element].direction_crumbled[action][direction] = graphic;
 434       else
 435         element_info[element].crumbled[action] = graphic;
 436     }
 437     else
 438     {
 439       if (direction > -1)
 440         element_info[element].direction_graphic[action][direction] = graphic;
 441       else
 442         element_info[element].graphic[action] = graphic;
 443     }
 444   }
 445
 446   /* initialize normal element/graphic mapping from dynamic configuration */
 447   for (i = 0; i < num_property_mappings; i++)
 448   {
 449     int element   = property_mapping[i].base_index;
 450     int action    = property_mapping[i].ext1_index;
 451     int direction = property_mapping[i].ext2_index;
 452     int special   = property_mapping[i].ext3_index;
 453     int graphic   = property_mapping[i].artwork_index;
 454     boolean crumbled = FALSE;
 455
 456     if (special == GFX_SPECIAL_ARG_CRUMBLED)
 457     {
 458       special = -1;
 459       crumbled = TRUE;
 460     }
 461
 462     if (graphic_info[graphic].bitmap == NULL)
 463       continue;
 464
 465     if (element >= MAX_NUM_ELEMENTS || special != -1)
 466       continue;
 467
 468     if (action < 0)
 469       action = ACTION_DEFAULT;
 470
 471     if (crumbled)
 472     {
 473       if (direction < 0)
 474         for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 475           element_info[element].direction_crumbled[action][dir] = -1;
 476
 477       if (direction > -1)
 478         element_info[element].direction_crumbled[action][direction] = graphic;
 479       else
 480         element_info[element].crumbled[action] = graphic;
 481     }
 482     else
 483     {
 484       if (direction < 0)
 485         for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 486           element_info[element].direction_graphic[action][dir] = -1;
 487
 488       if (direction > -1)
 489         element_info[element].direction_graphic[action][direction] = graphic;
 490       else
 491         element_info[element].graphic[action] = graphic;
 492     }
 493   }
 494
 495   /* now copy all graphics that are defined to be cloned from other graphics */
 496   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 497   {
 498     int graphic = element_info[i].graphic[ACTION_DEFAULT];
 499     int crumbled_like, diggable_like;
 500
 501     if (graphic == -1)
 502       continue;
 503
 504     crumbled_like = graphic_info[graphic].crumbled_like;
 505     diggable_like = graphic_info[graphic].diggable_like;
 506
 507     if (crumbled_like != -1 && element_info[i].crumbled[ACTION_DEFAULT] == -1)
 508     {
 509       for (act = 0; act < NUM_ACTIONS; act++)
 510         element_info[i].crumbled[act] =
 511           element_info[crumbled_like].crumbled[act];
 512       for (act = 0; act < NUM_ACTIONS; act++)
 513         for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 514           element_info[i].direction_crumbled[act][dir] =
 515             element_info[crumbled_like].direction_crumbled[act][dir];
 516     }
 517
 518     if (diggable_like != -1 && element_info[i].graphic[ACTION_DIGGING] == -1)
 519     {
 520       element_info[i].graphic[ACTION_DIGGING] =
 521         element_info[diggable_like].graphic[ACTION_DIGGING];
 522       for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 523         element_info[i].direction_graphic[ACTION_DIGGING][dir] =
 524           element_info[diggable_like].direction_graphic[ACTION_DIGGING][dir];
 525     }
 526   }
 527
 528 #if 1
 529   /* set hardcoded definitions for some runtime elements without graphic */
 530   element_info[EL_AMOEBA_TO_DIAMOND].graphic[ACTION_DEFAULT] = IMG_AMOEBA_DEAD;
 531 #endif
 532
 533 #if 1
 534   /* set hardcoded definitions for some internal elements without graphic */
 535   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 536   {
 537     if (IS_EDITOR_CASCADE_INACTIVE(i))
 538       element_info[i].graphic[ACTION_DEFAULT] = IMG_EDITOR_CASCADE_LIST;
 539     else if (IS_EDITOR_CASCADE_ACTIVE(i))
 540       element_info[i].graphic[ACTION_DEFAULT] = IMG_EDITOR_CASCADE_LIST_ACTIVE;
 541   }
 542 #endif
 543
 544   /* now set all undefined/invalid graphics to -1 to set to default after it */
 545   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 546   {
 547     for (act = 0; act < NUM_ACTIONS; act++)
 548     {
 549       int graphic;
 550
 551       graphic = element_info[i].graphic[act];
 552       if (graphic > 0 && graphic_info[graphic].bitmap == NULL)
 553         element_info[i].graphic[act] = -1;
 554
 555       graphic = element_info[i].crumbled[act];
 556       if (graphic > 0 && graphic_info[graphic].bitmap == NULL)
 557         element_info[i].crumbled[act] = -1;
 558
 559       for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 560       {
 561         graphic = element_info[i].direction_graphic[act][dir];
 562         if (graphic > 0 && graphic_info[graphic].bitmap == NULL)
 563           element_info[i].direction_graphic[act][dir] = -1;
 564
 565         graphic = element_info[i].direction_crumbled[act][dir];
 566         if (graphic > 0 && graphic_info[graphic].bitmap == NULL)
 567           element_info[i].direction_crumbled[act][dir] = -1;
 568       }
 569     }
 570   }
 571
 572   /* adjust graphics with 2nd tile for movement according to direction
 573      (do this before correcting '-1' values to minimize calculations) */
 574   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 575   {
 576     for (act = 0; act < NUM_ACTIONS; act++)
 577     {
 578       for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 579       {
 580         int graphic = element_info[i].direction_graphic[act][dir];
 581         int move_dir = (act == ACTION_FALLING ? MV_BIT_DOWN : dir);
 582
 583         if (act == ACTION_FALLING)      /* special case */
 584           graphic = element_info[i].graphic[act];
 585
 586         if (graphic != -1 &&
 587             graphic_info[graphic].double_movement &&
 588             graphic_info[graphic].swap_double_tiles != 0)
 589         {
 590           struct GraphicInfo *g = &graphic_info[graphic];
 591           int src_x_front = g->src_x;
 592           int src_y_front = g->src_y;
 593           int src_x_back = g->src_x + g->offset2_x;
 594           int src_y_back = g->src_y + g->offset2_y;
 595           boolean frames_are_ordered_diagonally = (g->offset_x != 0 &&
 596                                                    g->offset_y != 0);
 597           boolean front_is_left_or_upper = (src_x_front < src_x_back ||
 598                                             src_y_front < src_y_back);
 599           boolean swap_movement_tiles_always = (g->swap_double_tiles == 1);
 600           boolean swap_movement_tiles_autodetected =
 601             (!frames_are_ordered_diagonally &&
 602              ((move_dir == MV_BIT_LEFT  && !front_is_left_or_upper) ||
 603               (move_dir == MV_BIT_UP    && !front_is_left_or_upper) ||
 604               (move_dir == MV_BIT_RIGHT &&  front_is_left_or_upper) ||
 605               (move_dir == MV_BIT_DOWN  &&  front_is_left_or_upper)));
 606           Bitmap *dummy;
 607
 608           /* swap frontside and backside graphic tile coordinates, if needed */
 609           if (swap_movement_tiles_always || swap_movement_tiles_autodetected)
 610           {
 611             /* get current (wrong) backside tile coordinates */
 612             getGraphicSourceExt(graphic, 0, &dummy, &src_x_back, &src_y_back,
 613                                 TRUE);
 614
 615             /* set frontside tile coordinates to backside tile coordinates */
 616             g->src_x = src_x_back;
 617             g->src_y = src_y_back;
 618
 619             /* invert tile offset to point to new backside tile coordinates */
 620             g->offset2_x *= -1;
 621             g->offset2_y *= -1;
 622
 623             /* do not swap front and backside tiles again after correction */
 624             g->swap_double_tiles = 0;
 625           }
 626         }
 627       }
 628     }
 629   }
 630
 631   /* now set all '-1' values to element specific default values */
 632   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 633   {
 634     int default_graphic = element_info[i].graphic[ACTION_DEFAULT];
 635     int default_crumbled = element_info[i].crumbled[ACTION_DEFAULT];
 636     int default_direction_graphic[NUM_DIRECTIONS_FULL];
 637     int default_direction_crumbled[NUM_DIRECTIONS_FULL];
 638
 639     if (default_graphic == -1)
 640       default_graphic = IMG_UNKNOWN;
 641 #if 1
 642     if (default_crumbled == -1)
 643       default_crumbled = default_graphic;
 644 #else
 645     /* !!! THIS LOOKS CRAPPY FOR SAND ETC. WITHOUT CRUMBLED GRAPHICS !!! */
 646     if (default_crumbled == -1)
 647       default_crumbled = IMG_EMPTY;
 648 #endif
 649
 650     for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 651     {
 652       default_direction_graphic[dir] =
 653         element_info[i].direction_graphic[ACTION_DEFAULT][dir];
 654       default_direction_crumbled[dir] =
 655         element_info[i].direction_crumbled[ACTION_DEFAULT][dir];
 656
 657       if (default_direction_graphic[dir] == -1)
 658         default_direction_graphic[dir] = default_graphic;
 659 #if 1
 660       if (default_direction_crumbled[dir] == -1)
 661         default_direction_crumbled[dir] = default_direction_graphic[dir];
 662 #else
 663       /* !!! THIS LOOKS CRAPPY FOR SAND ETC. WITHOUT CRUMBLED GRAPHICS !!! */
 664       if (default_direction_crumbled[dir] == -1)
 665         default_direction_crumbled[dir] = default_crumbled;
 666 #endif
 667     }
 668
 669     for (act = 0; act < NUM_ACTIONS; act++)
 670     {
 671       boolean act_remove = ((IS_DIGGABLE(i)    && act == ACTION_DIGGING)  ||
 672                             (IS_SNAPPABLE(i)   && act == ACTION_SNAPPING) ||
 673                             (IS_COLLECTIBLE(i) && act == ACTION_COLLECTING));
 674       boolean act_turning = (act == ACTION_TURNING_FROM_LEFT ||
 675                              act == ACTION_TURNING_FROM_RIGHT ||
 676                              act == ACTION_TURNING_FROM_UP ||
 677                              act == ACTION_TURNING_FROM_DOWN);
 678
 679       /* generic default action graphic (defined by "[default]" directive) */
 680       int default_action_graphic = element_info[EL_DEFAULT].graphic[act];
 681       int default_action_crumbled = element_info[EL_DEFAULT].crumbled[act];
 682       int default_remove_graphic = IMG_EMPTY;
 683
 684       if (act_remove && default_action_graphic != -1)
 685         default_remove_graphic = default_action_graphic;
 686
 687       /* look for special default action graphic (classic game specific) */
 688       if (IS_BD_ELEMENT(i) && element_info[EL_BD_DEFAULT].graphic[act] != -1)
 689         default_action_graphic = element_info[EL_BD_DEFAULT].graphic[act];
 690       if (IS_SP_ELEMENT(i) && element_info[EL_SP_DEFAULT].graphic[act] != -1)
 691         default_action_graphic = element_info[EL_SP_DEFAULT].graphic[act];
 692       if (IS_SB_ELEMENT(i) && element_info[EL_SB_DEFAULT].graphic[act] != -1)
 693         default_action_graphic = element_info[EL_SB_DEFAULT].graphic[act];
 694
 695       if (IS_BD_ELEMENT(i) && element_info[EL_BD_DEFAULT].crumbled[act] != -1)
 696         default_action_crumbled = element_info[EL_BD_DEFAULT].crumbled[act];
 697       if (IS_SP_ELEMENT(i) && element_info[EL_SP_DEFAULT].crumbled[act] != -1)
 698         default_action_crumbled = element_info[EL_SP_DEFAULT].crumbled[act];
 699       if (IS_SB_ELEMENT(i) && element_info[EL_SB_DEFAULT].crumbled[act] != -1)
 700         default_action_crumbled = element_info[EL_SB_DEFAULT].crumbled[act];
 701
 702 #if 1
 703       /* !!! needed because EL_EMPTY_SPACE treated as IS_SP_ELEMENT !!! */
 704       /* !!! make this better !!! */
 705       if (i == EL_EMPTY_SPACE)
 706       {
 707         default_action_graphic = element_info[EL_DEFAULT].graphic[act];
 708         default_action_crumbled = element_info[EL_DEFAULT].crumbled[act];
 709       }
 710 #endif
 711
 712       if (default_action_graphic == -1)
 713         default_action_graphic = default_graphic;
 714 #if 1
 715       if (default_action_crumbled == -1)
 716         default_action_crumbled = default_action_graphic;
 717 #else
 718       /* !!! THIS LOOKS CRAPPY FOR SAND ETC. WITHOUT CRUMBLED GRAPHICS !!! */
 719       if (default_action_crumbled == -1)
 720         default_action_crumbled = default_crumbled;
 721 #endif
 722
 723       for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 724       {
 725         /* use action graphic as the default direction graphic, if undefined */
 726         int default_action_direction_graphic = element_info[i].graphic[act];
 727         int default_action_direction_crumbled = element_info[i].crumbled[act];
 728
 729         /* no graphic for current action -- use default direction graphic */
 730         if (default_action_direction_graphic == -1)
 731           default_action_direction_graphic =
 732             (act_remove ? default_remove_graphic :
 733              act_turning ?
 734              element_info[i].direction_graphic[ACTION_TURNING][dir] :
 735              default_action_graphic != default_graphic ?
 736              default_action_graphic :
 737              default_direction_graphic[dir]);
 738
 739         if (element_info[i].direction_graphic[act][dir] == -1)
 740           element_info[i].direction_graphic[act][dir] =
 741             default_action_direction_graphic;
 742
 743 #if 1
 744         if (default_action_direction_crumbled == -1)
 745           default_action_direction_crumbled =
 746             element_info[i].direction_graphic[act][dir];
 747 #else
 748         if (default_action_direction_crumbled == -1)
 749           default_action_direction_crumbled =
 750             (act_remove ? default_remove_graphic :
 751              act_turning ?
 752              element_info[i].direction_crumbled[ACTION_TURNING][dir] :
 753              default_action_crumbled != default_crumbled ?
 754              default_action_crumbled :
 755              default_direction_crumbled[dir]);
 756 #endif
 757
 758         if (element_info[i].direction_crumbled[act][dir] == -1)
 759           element_info[i].direction_crumbled[act][dir] =
 760             default_action_direction_crumbled;
 761       }
 762
 763       /* no graphic for this specific action -- use default action graphic */
 764       if (element_info[i].graphic[act] == -1)
 765         element_info[i].graphic[act] =
 766           (act_remove ? default_remove_graphic :
 767            act_turning ? element_info[i].graphic[ACTION_TURNING] :
 768            default_action_graphic);
 769 #if 1
 770       if (element_info[i].crumbled[act] == -1)
 771         element_info[i].crumbled[act] = element_info[i].graphic[act];
 772 #else
 773       if (element_info[i].crumbled[act] == -1)
 774         element_info[i].crumbled[act] =
 775           (act_remove ? default_remove_graphic :
 776            act_turning ? element_info[i].crumbled[ACTION_TURNING] :
 777            default_action_crumbled);
 778 #endif
 779     }
 780   }
 781
 782 #if 0
 783   /* !!! THIS ALSO CLEARS SPECIAL FLAGS (AND IS NOT NEEDED ANYWAY) !!! */
 784   /* set animation mode to "none" for each graphic with only 1 frame */
 785   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 786   {
 787     for (act = 0; act < NUM_ACTIONS; act++)
 788     {
 789       int graphic = element_info[i].graphic[act];
 790       int crumbled = element_info[i].crumbled[act];
 791
 792       if (graphic_info[graphic].anim_frames == 1)
 793         graphic_info[graphic].anim_mode = ANIM_NONE;
 794       if (graphic_info[crumbled].anim_frames == 1)
 795         graphic_info[crumbled].anim_mode = ANIM_NONE;
 796
 797       for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
 798       {
 799         graphic = element_info[i].direction_graphic[act][dir];
 800         crumbled = element_info[i].direction_crumbled[act][dir];
 801
 802         if (graphic_info[graphic].anim_frames == 1)
 803           graphic_info[graphic].anim_mode = ANIM_NONE;
 804         if (graphic_info[crumbled].anim_frames == 1)
 805           graphic_info[crumbled].anim_mode = ANIM_NONE;
 806       }
 807     }
 808   }
 809 #endif
 810
 811 #if 0
 812 #if DEBUG
 813   if (options.verbose)
 814   {
 815     for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 816       if (element_info[i].graphic[ACTION_DEFAULT] == IMG_UNKNOWN &&
 817           i != EL_UNKNOWN)
 818         Error(ERR_RETURN, "warning: no graphic for element '%s' (%d)",
 819               element_info[i].token_name, i);
 820   }
 821 #endif
 822 #endif
 823 }
 824
 825 void InitElementSpecialGraphicInfo()
 826 {
 827   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
 828   int num_property_mappings = getImageListPropertyMappingSize();
 829   int i, j;
 830
 831   /* always start with reliable default values */
 832   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 833     for (j = 0; j < NUM_SPECIAL_GFX_ARGS; j++)
 834       element_info[i].special_graphic[j] =
 835         element_info[i].graphic[ACTION_DEFAULT];
 836
 837   /* initialize special element/graphic mapping from static configuration */
 838   for (i = 0; element_to_special_graphic[i].element > -1; i++)
 839   {
 840     int element = element_to_special_graphic[i].element;
 841     int special = element_to_special_graphic[i].special;
 842     int graphic = element_to_special_graphic[i].graphic;
 843     int base_graphic = el2baseimg(element);
 844     boolean base_redefined =
 845       getImageListEntryFromImageID(base_graphic)->redefined;
 846     boolean special_redefined =
 847       getImageListEntryFromImageID(graphic)->redefined;
 848
 849     /* if the base graphic ("emerald", for example) has been redefined,
 850        but not the special graphic ("emerald.EDITOR", for example), do not
 851        use an existing (in this case considered obsolete) special graphic
 852        anymore, but use the automatically created (down-scaled) graphic */
 853     if (base_redefined && !special_redefined)
 854       continue;
 855
 856     element_info[element].special_graphic[special] = graphic;
 857   }
 858
 859   /* initialize special element/graphic mapping from dynamic configuration */
 860   for (i = 0; i < num_property_mappings; i++)
 861   {
 862     int element = property_mapping[i].base_index;
 863     int special = property_mapping[i].ext3_index;
 864     int graphic = property_mapping[i].artwork_index;
 865
 866     if (element >= MAX_NUM_ELEMENTS)
 867       continue;
 868
 869     if (special >= 0 && special < NUM_SPECIAL_GFX_ARGS)
 870       element_info[element].special_graphic[special] = graphic;
 871   }
 872
 873   /* now set all undefined/invalid graphics to default */
 874   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 875     for (j = 0; j < NUM_SPECIAL_GFX_ARGS; j++)
 876       if (graphic_info[element_info[i].special_graphic[j]].bitmap == NULL)
 877         element_info[i].special_graphic[j] =
 878           element_info[i].graphic[ACTION_DEFAULT];
 879 }
 880
 881 static int get_graphic_parameter_value(char *value_raw, char *suffix, int type)
 882 {
 883   int i;
 884   int x = 0;
 885
 886   if (type != TYPE_TOKEN)
 887     return get_parameter_value(value_raw, suffix, type);
 888
 889   if (strEqual(value_raw, ARG_UNDEFINED))
 890     return ARG_UNDEFINED_VALUE;
 891
 892   /* !!! OPTIMIZE THIS BY USING HASH !!! */
 893   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
 894     if (strEqual(element_info[i].token_name, value_raw))
 895       return i;
 896
 897   /* !!! OPTIMIZE THIS BY USING HASH !!! */
 898   for (i = 0; image_config[i].token != NULL; i++)
 899   {
 900     int len_config_value = strlen(image_config[i].value);
 901
 902     if (!strEqual(&image_config[i].value[len_config_value - 4], ".pcx") &&
 903         !strEqual(&image_config[i].value[len_config_value - 4], ".wav") &&
 904         !strEqual(image_config[i].value, UNDEFINED_FILENAME))
 905       continue;
 906
 907     if (strEqual(image_config[i].token, value_raw))
 908       return x;
 909
 910     x++;
 911   }
 912
 913   return -1;
 914 }
 915
 916 static int get_scaled_graphic_width(int graphic)
 917 {
 918   int original_width = getOriginalImageWidthFromImageID(graphic);
 919   int scale_up_factor = graphic_info[graphic].scale_up_factor;
 920
 921   return original_width * scale_up_factor;
 922 }
 923
 924 static int get_scaled_graphic_height(int graphic)
 925 {
 926   int original_height = getOriginalImageHeightFromImageID(graphic);
 927   int scale_up_factor = graphic_info[graphic].scale_up_factor;
 928
 929   return original_height * scale_up_factor;
 930 }
 931
 932 static void set_graphic_parameters(int graphic)
 933 {
 934   struct FileInfo *image = getImageListEntryFromImageID(graphic);
 935   char **parameter_raw = image->parameter;
 936   Bitmap *src_bitmap = getBitmapFromImageID(graphic);
 937   int parameter[NUM_GFX_ARGS];
 938   int anim_frames_per_row = 1, anim_frames_per_col = 1;
 939   int anim_frames_per_line = 1;
 940   int i;
 941
 942   /* if fallback to default artwork is done, also use the default parameters */
 943   if (image->fallback_to_default)
 944     parameter_raw = image->default_parameter;
 945
 946   /* get integer values from string parameters */
 947   for (i = 0; i < NUM_GFX_ARGS; i++)
 948     parameter[i] = get_graphic_parameter_value(parameter_raw[i],
 949                                                image_config_suffix[i].token,
 950                                                image_config_suffix[i].type);
 951
 952   graphic_info[graphic].bitmap = src_bitmap;
 953
 954   /* always start with reliable default values */
 955   graphic_info[graphic].src_image_width = 0;
 956   graphic_info[graphic].src_image_height = 0;
 957   graphic_info[graphic].src_x = 0;
 958   graphic_info[graphic].src_y = 0;
 959   graphic_info[graphic].width  = TILEX; /* default for element graphics */
 960   graphic_info[graphic].height = TILEY; /* default for element graphics */
 961   graphic_info[graphic].offset_x = 0;   /* one or both of these values ... */
 962   graphic_info[graphic].offset_y = 0;   /* ... will be corrected later */
 963   graphic_info[graphic].offset2_x = 0;  /* one or both of these values ... */
 964   graphic_info[graphic].offset2_y = 0;  /* ... will be corrected later */
 965   graphic_info[graphic].swap_double_tiles = -1; /* auto-detect tile swapping */
 966   graphic_info[graphic].crumbled_like = -1;     /* do not use clone element */
 967   graphic_info[graphic].diggable_like = -1;     /* do not use clone element */
 968   graphic_info[graphic].border_size = TILEX / 8;  /* "CRUMBLED" border size */
 969   graphic_info[graphic].scale_up_factor = 1;    /* default: no scaling up */
 970   graphic_info[graphic].clone_from = -1;        /* do not use clone graphic */
 971   graphic_info[graphic].anim_delay_fixed = 0;
 972   graphic_info[graphic].anim_delay_random = 0;
 973   graphic_info[graphic].post_delay_fixed = 0;
 974   graphic_info[graphic].post_delay_random = 0;
 975   graphic_info[graphic].fade_delay = -1;
 976   graphic_info[graphic].post_delay = -1;
 977   graphic_info[graphic].auto_delay = -1;
 978
 979 #if 1
 980   /* optional zoom factor for scaling up the image to a larger size */
 981   if (parameter[GFX_ARG_SCALE_UP_FACTOR] != ARG_UNDEFINED_VALUE)
 982     graphic_info[graphic].scale_up_factor = parameter[GFX_ARG_SCALE_UP_FACTOR];
 983   if (graphic_info[graphic].scale_up_factor < 1)
 984     graphic_info[graphic].scale_up_factor = 1;          /* no scaling */
 985 #endif
 986
 987 #if 1
 988   if (graphic_info[graphic].use_image_size)
 989   {
 990     /* set new default bitmap size (with scaling, but without small images) */
 991     graphic_info[graphic].width  = get_scaled_graphic_width(graphic);
 992     graphic_info[graphic].height = get_scaled_graphic_height(graphic);
 993   }
 994 #endif
 995
 996   /* optional x and y tile position of animation frame sequence */
 997   if (parameter[GFX_ARG_XPOS] != ARG_UNDEFINED_VALUE)
 998     graphic_info[graphic].src_x = parameter[GFX_ARG_XPOS] * TILEX;
 999   if (parameter[GFX_ARG_YPOS] != ARG_UNDEFINED_VALUE)
1000     graphic_info[graphic].src_y = parameter[GFX_ARG_YPOS] * TILEY;
1001
1002   /* optional x and y pixel position of animation frame sequence */
1003   if (parameter[GFX_ARG_X] != ARG_UNDEFINED_VALUE)
1004     graphic_info[graphic].src_x = parameter[GFX_ARG_X];
1005   if (parameter[GFX_ARG_Y] != ARG_UNDEFINED_VALUE)
1006     graphic_info[graphic].src_y = parameter[GFX_ARG_Y];
1007
1008   /* optional width and height of each animation frame */
1009   if (parameter[GFX_ARG_WIDTH] != ARG_UNDEFINED_VALUE)
1010     graphic_info[graphic].width = parameter[GFX_ARG_WIDTH];
1011   if (parameter[GFX_ARG_HEIGHT] != ARG_UNDEFINED_VALUE)
1012     graphic_info[graphic].height = parameter[GFX_ARG_HEIGHT];
1013
1014 #if 0
1015   /* optional zoom factor for scaling up the image to a larger size */
1016   if (parameter[GFX_ARG_SCALE_UP_FACTOR] != ARG_UNDEFINED_VALUE)
1017     graphic_info[graphic].scale_up_factor = parameter[GFX_ARG_SCALE_UP_FACTOR];
1018   if (graphic_info[graphic].scale_up_factor < 1)
1019     graphic_info[graphic].scale_up_factor = 1;          /* no scaling */
1020 #endif
1021
1022   if (src_bitmap)
1023   {
1024     /* get final bitmap size (with scaling, but without small images) */
1025     int src_image_width  = get_scaled_graphic_width(graphic);
1026     int src_image_height = get_scaled_graphic_height(graphic);
1027
1028     anim_frames_per_row = src_image_width  / graphic_info[graphic].width;
1029     anim_frames_per_col = src_image_height / graphic_info[graphic].height;
1030
1031     graphic_info[graphic].src_image_width  = src_image_width;
1032     graphic_info[graphic].src_image_height = src_image_height;
1033   }
1034
1035   /* correct x or y offset dependent of vertical or horizontal frame order */
1036   if (parameter[GFX_ARG_VERTICAL])      /* frames are ordered vertically */
1037   {
1038     graphic_info[graphic].offset_y =
1039       (parameter[GFX_ARG_OFFSET] != ARG_UNDEFINED_VALUE ?
1040        parameter[GFX_ARG_OFFSET] : graphic_info[graphic].height);
1041     anim_frames_per_line = anim_frames_per_col;
1042   }
1043   else                                  /* frames are ordered horizontally */
1044   {
1045     graphic_info[graphic].offset_x =
1046       (parameter[GFX_ARG_OFFSET] != ARG_UNDEFINED_VALUE ?
1047        parameter[GFX_ARG_OFFSET] : graphic_info[graphic].width);
1048     anim_frames_per_line = anim_frames_per_row;
1049   }
1050
1051   /* optionally, the x and y offset of frames can be specified directly */
1052   if (parameter[GFX_ARG_XOFFSET] != ARG_UNDEFINED_VALUE)
1053     graphic_info[graphic].offset_x = parameter[GFX_ARG_XOFFSET];
1054   if (parameter[GFX_ARG_YOFFSET] != ARG_UNDEFINED_VALUE)
1055     graphic_info[graphic].offset_y = parameter[GFX_ARG_YOFFSET];
1056
1057   /* optionally, moving animations may have separate start and end graphics */
1058   graphic_info[graphic].double_movement = parameter[GFX_ARG_2ND_MOVEMENT_TILE];
1059
1060   if (parameter[GFX_ARG_2ND_VERTICAL] == ARG_UNDEFINED_VALUE)
1061     parameter[GFX_ARG_2ND_VERTICAL] = !parameter[GFX_ARG_VERTICAL];
1062
1063   /* correct x or y offset2 dependent of vertical or horizontal frame order */
1064   if (parameter[GFX_ARG_2ND_VERTICAL])  /* frames are ordered vertically */
1065     graphic_info[graphic].offset2_y =
1066       (parameter[GFX_ARG_2ND_OFFSET] != ARG_UNDEFINED_VALUE ?
1067        parameter[GFX_ARG_2ND_OFFSET] : graphic_info[graphic].height);
1068   else                                  /* frames are ordered horizontally */
1069     graphic_info[graphic].offset2_x =
1070       (parameter[GFX_ARG_2ND_OFFSET] != ARG_UNDEFINED_VALUE ?
1071        parameter[GFX_ARG_2ND_OFFSET] : graphic_info[graphic].width);
1072
1073   /* optionally, the x and y offset of 2nd graphic can be specified directly */
1074   if (parameter[GFX_ARG_2ND_XOFFSET] != ARG_UNDEFINED_VALUE)
1075     graphic_info[graphic].offset2_x = parameter[GFX_ARG_2ND_XOFFSET];
1076   if (parameter[GFX_ARG_2ND_YOFFSET] != ARG_UNDEFINED_VALUE)
1077     graphic_info[graphic].offset2_y = parameter[GFX_ARG_2ND_YOFFSET];
1078
1079   /* optionally, the second movement tile can be specified as start tile */
1080   if (parameter[GFX_ARG_2ND_SWAP_TILES] != ARG_UNDEFINED_VALUE)
1081     graphic_info[graphic].swap_double_tiles= parameter[GFX_ARG_2ND_SWAP_TILES];
1082
1083   /* automatically determine correct number of frames, if not defined */
1084   if (parameter[GFX_ARG_FRAMES] != ARG_UNDEFINED_VALUE)
1085     graphic_info[graphic].anim_frames = parameter[GFX_ARG_FRAMES];
1086   else if (parameter[GFX_ARG_XPOS] == 0 && !parameter[GFX_ARG_VERTICAL])
1087     graphic_info[graphic].anim_frames = anim_frames_per_row;
1088   else if (parameter[GFX_ARG_YPOS] == 0 && parameter[GFX_ARG_VERTICAL])
1089     graphic_info[graphic].anim_frames = anim_frames_per_col;
1090   else
1091     graphic_info[graphic].anim_frames = 1;
1092
1093   if (graphic_info[graphic].anim_frames == 0)   /* frames must be at least 1 */
1094     graphic_info[graphic].anim_frames = 1;
1095
1096   graphic_info[graphic].anim_frames_per_line =
1097     (parameter[GFX_ARG_FRAMES_PER_LINE] != ARG_UNDEFINED_VALUE ?
1098      parameter[GFX_ARG_FRAMES_PER_LINE] : anim_frames_per_line);
1099
1100   graphic_info[graphic].anim_delay = parameter[GFX_ARG_DELAY];
1101   if (graphic_info[graphic].anim_delay == 0)    /* delay must be at least 1 */
1102     graphic_info[graphic].anim_delay = 1;
1103
1104   graphic_info[graphic].anim_mode = parameter[GFX_ARG_ANIM_MODE];
1105 #if 0
1106   if (graphic_info[graphic].anim_frames == 1)
1107     graphic_info[graphic].anim_mode = ANIM_NONE;
1108 #endif
1109
1110   /* automatically determine correct start frame, if not defined */
1111   if (parameter[GFX_ARG_START_FRAME] == ARG_UNDEFINED_VALUE)
1112     graphic_info[graphic].anim_start_frame = 0;
1113   else if (graphic_info[graphic].anim_mode & ANIM_REVERSE)
1114     graphic_info[graphic].anim_start_frame =
1115       graphic_info[graphic].anim_frames - parameter[GFX_ARG_START_FRAME] - 1;
1116   else
1117     graphic_info[graphic].anim_start_frame = parameter[GFX_ARG_START_FRAME];
1118
1119   /* animation synchronized with global frame counter, not move position */
1120   graphic_info[graphic].anim_global_sync = parameter[GFX_ARG_GLOBAL_SYNC];
1121
1122   /* optional element for cloning crumble graphics */
1123   if (parameter[GFX_ARG_CRUMBLED_LIKE] != ARG_UNDEFINED_VALUE)
1124     graphic_info[graphic].crumbled_like = parameter[GFX_ARG_CRUMBLED_LIKE];
1125
1126   /* optional element for cloning digging graphics */
1127   if (parameter[GFX_ARG_DIGGABLE_LIKE] != ARG_UNDEFINED_VALUE)
1128     graphic_info[graphic].diggable_like = parameter[GFX_ARG_DIGGABLE_LIKE];
1129
1130   /* optional border size for "crumbling" diggable graphics */
1131   if (parameter[GFX_ARG_BORDER_SIZE] != ARG_UNDEFINED_VALUE)
1132     graphic_info[graphic].border_size = parameter[GFX_ARG_BORDER_SIZE];
1133
1134   /* this is only used for player "boring" and "sleeping" actions */
1135   if (parameter[GFX_ARG_ANIM_DELAY_FIXED] != ARG_UNDEFINED_VALUE)
1136     graphic_info[graphic].anim_delay_fixed =
1137       parameter[GFX_ARG_ANIM_DELAY_FIXED];
1138   if (parameter[GFX_ARG_ANIM_DELAY_RANDOM] != ARG_UNDEFINED_VALUE)
1139     graphic_info[graphic].anim_delay_random =
1140       parameter[GFX_ARG_ANIM_DELAY_RANDOM];
1141   if (parameter[GFX_ARG_POST_DELAY_FIXED] != ARG_UNDEFINED_VALUE)
1142     graphic_info[graphic].post_delay_fixed =
1143       parameter[GFX_ARG_POST_DELAY_FIXED];
1144   if (parameter[GFX_ARG_POST_DELAY_RANDOM] != ARG_UNDEFINED_VALUE)
1145     graphic_info[graphic].post_delay_random =
1146       parameter[GFX_ARG_POST_DELAY_RANDOM];
1147
1148   /* this is only used for toon animations */
1149   graphic_info[graphic].step_offset = parameter[GFX_ARG_STEP_OFFSET];
1150   graphic_info[graphic].step_delay  = parameter[GFX_ARG_STEP_DELAY];
1151
1152   /* this is only used for drawing font characters */
1153   graphic_info[graphic].draw_xoffset = parameter[GFX_ARG_DRAW_XOFFSET];
1154   graphic_info[graphic].draw_yoffset = parameter[GFX_ARG_DRAW_YOFFSET];
1155
1156   /* this is only used for drawing envelope graphics */
1157   graphic_info[graphic].draw_masked = parameter[GFX_ARG_DRAW_MASKED];
1158
1159   /* optional graphic for cloning all graphics settings */
1160   if (parameter[GFX_ARG_CLONE_FROM] != ARG_UNDEFINED_VALUE)
1161     graphic_info[graphic].clone_from = parameter[GFX_ARG_CLONE_FROM];
1162
1163   /* optional settings for drawing title screens */
1164   if (parameter[GFX_ARG_FADE_DELAY] != ARG_UNDEFINED_VALUE)
1165     graphic_info[graphic].fade_delay = parameter[GFX_ARG_FADE_DELAY];
1166   if (parameter[GFX_ARG_POST_DELAY] != ARG_UNDEFINED_VALUE)
1167     graphic_info[graphic].post_delay = parameter[GFX_ARG_POST_DELAY];
1168   if (parameter[GFX_ARG_AUTO_DELAY] != ARG_UNDEFINED_VALUE)
1169     graphic_info[graphic].auto_delay = parameter[GFX_ARG_AUTO_DELAY];
1170 }
1171
1172 static void set_cloned_graphic_parameters(int graphic)
1173 {
1174   int fallback_graphic = IMG_CHAR_EXCLAM;
1175   int max_num_images = getImageListSize();
1176   int clone_graphic = graphic_info[graphic].clone_from;
1177   int num_references_followed = 1;
1178
1179   while (graphic_info[clone_graphic].clone_from != -1 &&
1180          num_references_followed < max_num_images)
1181   {
1182     clone_graphic = graphic_info[clone_graphic].clone_from;
1183
1184     num_references_followed++;
1185   }
1186
1187   if (num_references_followed >= max_num_images)
1188   {
1189     Error(ERR_RETURN_LINE, "-");
1190     Error(ERR_RETURN, "warning: error found in config file:");
1191     Error(ERR_RETURN, "- config file: '%s'", getImageConfigFilename());
1192     Error(ERR_RETURN, "- config token: '%s'", getTokenFromImageID(graphic));
1193     Error(ERR_RETURN, "error: loop discovered when resolving cloned graphics");
1194     Error(ERR_RETURN, "custom graphic rejected for this element/action");
1195
1196     if (graphic == fallback_graphic)
1197       Error(ERR_EXIT, "fatal error: no fallback graphic available");
1198
1199     Error(ERR_RETURN, "fallback done to 'char_exclam' for this graphic");
1200     Error(ERR_RETURN_LINE, "-");
1201
1202     graphic_info[graphic] = graphic_info[fallback_graphic];
1203   }
1204   else
1205   {
1206     graphic_info[graphic] = graphic_info[clone_graphic];
1207     graphic_info[graphic].clone_from = clone_graphic;
1208   }
1209 }
1210
1211 static void InitGraphicInfo()
1212 {
1213   int fallback_graphic = IMG_CHAR_EXCLAM;
1214   int num_images = getImageListSize();
1215   int i;
1216
1217 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
1218   static boolean clipmasks_initialized = FALSE;
1219   Pixmap src_pixmap;
1220   XGCValues clip_gc_values;
1221   unsigned long clip_gc_valuemask;
1222   GC copy_clipmask_gc = None;
1223 #endif
1224
1225   /* use image size as default values for width and height for these images */
1226   static int full_size_graphics[] =
1227   {
1228     IMG_GLOBAL_BORDER,
1229     IMG_GLOBAL_DOOR,
1230
1231     IMG_BACKGROUND_ENVELOPE_1,
1232     IMG_BACKGROUND_ENVELOPE_2,
1233     IMG_BACKGROUND_ENVELOPE_3,
1234     IMG_BACKGROUND_ENVELOPE_4,
1235
1236     IMG_BACKGROUND,
1237     IMG_BACKGROUND_TITLE,
1238     IMG_BACKGROUND_MESSAGE,
1239     IMG_BACKGROUND_MAIN,
1240     IMG_BACKGROUND_LEVELS,
1241     IMG_BACKGROUND_SCORES,
1242     IMG_BACKGROUND_EDITOR,
1243     IMG_BACKGROUND_INFO,
1244     IMG_BACKGROUND_INFO_ELEMENTS,
1245     IMG_BACKGROUND_INFO_MUSIC,
1246     IMG_BACKGROUND_INFO_CREDITS,
1247     IMG_BACKGROUND_INFO_PROGRAM,
1248     IMG_BACKGROUND_INFO_LEVELSET,
1249     IMG_BACKGROUND_SETUP,
1250     IMG_BACKGROUND_DOOR,
1251
1252     IMG_TITLESCREEN_INITIAL_1,
1253     IMG_TITLESCREEN_INITIAL_2,
1254     IMG_TITLESCREEN_INITIAL_3,
1255     IMG_TITLESCREEN_INITIAL_4,
1256     IMG_TITLESCREEN_INITIAL_5,
1257     IMG_TITLESCREEN_1,
1258     IMG_TITLESCREEN_2,
1259     IMG_TITLESCREEN_3,
1260     IMG_TITLESCREEN_4,
1261     IMG_TITLESCREEN_5,
1262
1263     -1
1264   };
1265
1266   checked_free(graphic_info);
1267
1268   graphic_info = checked_calloc(num_images * sizeof(struct GraphicInfo));
1269
1270 #if 1
1271   /* initialize "use_image_size" flag with default value */
1272   for (i = 0; i < num_images; i++)
1273     graphic_info[i].use_image_size = FALSE;
1274
1275   /* initialize "use_image_size" flag from static configuration above */
1276   for (i = 0; full_size_graphics[i] != -1; i++)
1277     graphic_info[full_size_graphics[i]].use_image_size = TRUE;
1278 #endif
1279
1280 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
1281   if (clipmasks_initialized)
1282   {
1283     for (i = 0; i < num_images; i++)
1284     {
1285       if (graphic_info[i].clip_mask)
1286         XFreePixmap(display, graphic_info[i].clip_mask);
1287       if (graphic_info[i].clip_gc)
1288         XFreeGC(display, graphic_info[i].clip_gc);
1289
1290       graphic_info[i].clip_mask = None;
1291       graphic_info[i].clip_gc = None;
1292     }
1293   }
1294 #endif
1295
1296   /* first set all graphic paramaters ... */
1297   for (i = 0; i < num_images; i++)
1298     set_graphic_parameters(i);
1299
1300   /* ... then copy these parameters for cloned graphics */
1301   for (i = 0; i < num_images; i++)
1302     if (graphic_info[i].clone_from != -1)
1303       set_cloned_graphic_parameters(i);
1304
1305   for (i = 0; i < num_images; i++)
1306   {
1307     Bitmap *src_bitmap;
1308     int src_x, src_y;
1309     int width, height;
1310     int first_frame, last_frame;
1311     int src_bitmap_width, src_bitmap_height;
1312
1313     /* now check if no animation frames are outside of the loaded image */
1314
1315     if (graphic_info[i].bitmap == NULL)
1316       continue;         /* skip check for optional images that are undefined */
1317
1318     /* get image size (this can differ from the standard element tile size!) */
1319     width  = graphic_info[i].width;
1320     height = graphic_info[i].height;
1321
1322     /* get final bitmap size (with scaling, but without small images) */
1323     src_bitmap_width  = graphic_info[i].src_image_width;
1324     src_bitmap_height = graphic_info[i].src_image_height;
1325
1326     /* check if first animation frame is inside specified bitmap */
1327
1328     first_frame = 0;
1329     getGraphicSource(i, first_frame, &src_bitmap, &src_x, &src_y);
1330
1331 #if 1
1332     /* this avoids calculating wrong start position for out-of-bounds frame */
1333     src_x = graphic_info[i].src_x;
1334     src_y = graphic_info[i].src_y;
1335 #endif
1336
1337     if (src_x < 0 || src_y < 0 ||
1338         src_x + width  > src_bitmap_width ||
1339         src_y + height > src_bitmap_height)
1340     {
1341       Error(ERR_RETURN_LINE, "-");
1342       Error(ERR_RETURN, "warning: error found in config file:");
1343       Error(ERR_RETURN, "- config file: '%s'", getImageConfigFilename());
1344       Error(ERR_RETURN, "- config token: '%s'", getTokenFromImageID(i));
1345       Error(ERR_RETURN, "- image file: '%s'", src_bitmap->source_filename);
1346       Error(ERR_RETURN,
1347             "error: first animation frame out of bounds (%d, %d) [%d, %d]",
1348             src_x, src_y, src_bitmap_width, src_bitmap_height);
1349       Error(ERR_RETURN, "custom graphic rejected for this element/action");
1350
1351       if (i == fallback_graphic)
1352         Error(ERR_EXIT, "fatal error: no fallback graphic available");
1353
1354       Error(ERR_RETURN, "fallback done to 'char_exclam' for this graphic");
1355       Error(ERR_RETURN_LINE, "-");
1356
1357       graphic_info[i] = graphic_info[fallback_graphic];
1358     }
1359
1360     /* check if last animation frame is inside specified bitmap */
1361
1362     last_frame = graphic_info[i].anim_frames - 1;
1363     getGraphicSource(i, last_frame, &src_bitmap, &src_x, &src_y);
1364
1365     if (src_x < 0 || src_y < 0 ||
1366         src_x + width  > src_bitmap_width ||
1367         src_y + height > src_bitmap_height)
1368     {
1369       Error(ERR_RETURN_LINE, "-");
1370       Error(ERR_RETURN, "warning: error found in config file:");
1371       Error(ERR_RETURN, "- config file: '%s'", getImageConfigFilename());
1372       Error(ERR_RETURN, "- config token: '%s'", getTokenFromImageID(i));
1373       Error(ERR_RETURN, "- image file: '%s'", src_bitmap->source_filename);
1374       Error(ERR_RETURN,
1375             "error: last animation frame (%d) out of bounds (%d, %d) [%d, %d]",
1376             last_frame, src_x, src_y, src_bitmap_width, src_bitmap_height);
1377       Error(ERR_RETURN, "custom graphic rejected for this element/action");
1378
1379       if (i == fallback_graphic)
1380         Error(ERR_EXIT, "fatal error: no fallback graphic available");
1381
1382       Error(ERR_RETURN, "fallback done to 'char_exclam' for this graphic");
1383       Error(ERR_RETURN_LINE, "-");
1384
1385       graphic_info[i] = graphic_info[fallback_graphic];
1386     }
1387
1388 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
1389     /* currently we only need a tile clip mask from the first frame */
1390     getGraphicSource(i, first_frame, &src_bitmap, &src_x, &src_y);
1391
1392     if (copy_clipmask_gc == None)
1393     {
1394       clip_gc_values.graphics_exposures = False;
1395       clip_gc_valuemask = GCGraphicsExposures;
1396       copy_clipmask_gc = XCreateGC(display, src_bitmap->clip_mask,
1397                                    clip_gc_valuemask, &clip_gc_values);
1398     }
1399
1400     graphic_info[i].clip_mask =
1401       XCreatePixmap(display, window->drawable, TILEX, TILEY, 1);
1402
1403     src_pixmap = src_bitmap->clip_mask;
1404     XCopyArea(display, src_pixmap, graphic_info[i].clip_mask,
1405               copy_clipmask_gc, src_x, src_y, TILEX, TILEY, 0, 0);
1406
1407     clip_gc_values.graphics_exposures = False;
1408     clip_gc_values.clip_mask = graphic_info[i].clip_mask;
1409     clip_gc_valuemask = GCGraphicsExposures | GCClipMask;
1410
1411     graphic_info[i].clip_gc =
1412       XCreateGC(display, window->drawable, clip_gc_valuemask, &clip_gc_values);
1413 #endif
1414   }
1415
1416 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
1417   if (copy_clipmask_gc)
1418     XFreeGC(display, copy_clipmask_gc);
1419
1420   clipmasks_initialized = TRUE;
1421 #endif
1422 }
1423
1424 static void InitElementSoundInfo()
1425 {
1426   struct PropertyMapping *property_mapping = getSoundListPropertyMapping();
1427   int num_property_mappings = getSoundListPropertyMappingSize();
1428   int i, j, act;
1429
1430   /* set values to -1 to identify later as "uninitialized" values */
1431   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
1432     for (act = 0; act < NUM_ACTIONS; act++)
1433       element_info[i].sound[act] = -1;
1434
1435   /* initialize element/sound mapping from static configuration */
1436   for (i = 0; element_to_sound[i].element > -1; i++)
1437   {
1438     int element      = element_to_sound[i].element;
1439     int action       = element_to_sound[i].action;
1440     int sound        = element_to_sound[i].sound;
1441     boolean is_class = element_to_sound[i].is_class;
1442
1443     if (action < 0)
1444       action = ACTION_DEFAULT;
1445
1446     if (!is_class)
1447       element_info[element].sound[action] = sound;
1448     else
1449       for (j = 0; j < MAX_NUM_ELEMENTS; j++)
1450         if (strEqual(element_info[j].class_name,
1451                      element_info[element].class_name))
1452           element_info[j].sound[action] = sound;
1453   }
1454
1455   /* initialize element class/sound mapping from dynamic configuration */
1456   for (i = 0; i < num_property_mappings; i++)
1457   {
1458     int element_class = property_mapping[i].base_index - MAX_NUM_ELEMENTS;
1459     int action        = property_mapping[i].ext1_index;
1460     int sound         = property_mapping[i].artwork_index;
1461
1462     if (element_class < 0 || element_class >= MAX_NUM_ELEMENTS)
1463       continue;
1464
1465     if (action < 0)
1466       action = ACTION_DEFAULT;
1467
1468     for (j = 0; j < MAX_NUM_ELEMENTS; j++)
1469       if (strEqual(element_info[j].class_name,
1470                    element_info[element_class].class_name))
1471         element_info[j].sound[action] = sound;
1472   }
1473
1474   /* initialize element/sound mapping from dynamic configuration */
1475   for (i = 0; i < num_property_mappings; i++)
1476   {
1477     int element = property_mapping[i].base_index;
1478     int action  = property_mapping[i].ext1_index;
1479     int sound   = property_mapping[i].artwork_index;
1480
1481     if (element >= MAX_NUM_ELEMENTS)
1482       continue;
1483
1484     if (action < 0)
1485       action = ACTION_DEFAULT;
1486
1487     element_info[element].sound[action] = sound;
1488   }
1489
1490   /* now set all '-1' values to element specific default values */
1491   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
1492   {
1493     for (act = 0; act < NUM_ACTIONS; act++)
1494     {
1495       /* generic default action sound (defined by "[default]" directive) */
1496       int default_action_sound = element_info[EL_DEFAULT].sound[act];
1497
1498       /* look for special default action sound (classic game specific) */
1499       if (IS_BD_ELEMENT(i) && element_info[EL_BD_DEFAULT].sound[act] != -1)
1500         default_action_sound = element_info[EL_BD_DEFAULT].sound[act];
1501       if (IS_SP_ELEMENT(i) && element_info[EL_SP_DEFAULT].sound[act] != -1)
1502         default_action_sound = element_info[EL_SP_DEFAULT].sound[act];
1503       if (IS_SB_ELEMENT(i) && element_info[EL_SB_DEFAULT].sound[act] != -1)
1504         default_action_sound = element_info[EL_SB_DEFAULT].sound[act];
1505
1506       /* !!! there's no such thing as a "default action sound" !!! */
1507 #if 0
1508       /* look for element specific default sound (independent from action) */
1509       if (element_info[i].sound[ACTION_DEFAULT] != -1)
1510         default_action_sound = element_info[i].sound[ACTION_DEFAULT];
1511 #endif
1512
1513 #if 1
1514       /* !!! needed because EL_EMPTY_SPACE treated as IS_SP_ELEMENT !!! */
1515       /* !!! make this better !!! */
1516       if (i == EL_EMPTY_SPACE)
1517         default_action_sound = element_info[EL_DEFAULT].sound[act];
1518 #endif
1519
1520       /* no sound for this specific action -- use default action sound */
1521       if (element_info[i].sound[act] == -1)
1522         element_info[i].sound[act] = default_action_sound;
1523     }
1524   }
1525
1526   /* copy sound settings to some elements that are only stored in level file
1527      in native R'n'D levels, but are used by game engine in native EM levels */
1528   for (i = 0; copy_properties[i][0] != -1; i++)
1529     for (j = 1; j <= 4; j++)
1530       for (act = 0; act < NUM_ACTIONS; act++)
1531         element_info[copy_properties[i][j]].sound[act] =
1532           element_info[copy_properties[i][0]].sound[act];
1533 }
1534
1535 static void InitGameModeSoundInfo()
1536 {
1537   int i;
1538
1539   /* set values to -1 to identify later as "uninitialized" values */
1540   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
1541     menu.sound[i] = -1;
1542
1543   /* initialize gamemode/sound mapping from static configuration */
1544   for (i = 0; gamemode_to_sound[i].sound > -1; i++)
1545   {
1546     int gamemode = gamemode_to_sound[i].gamemode;
1547     int sound    = gamemode_to_sound[i].sound;
1548
1549     if (gamemode < 0)
1550       gamemode = GAME_MODE_DEFAULT;
1551
1552     menu.sound[gamemode] = sound;
1553   }
1554
1555   /* now set all '-1' values to levelset specific default values */
1556   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
1557     if (menu.sound[i] == -1)
1558       menu.sound[i] = menu.sound[GAME_MODE_DEFAULT];
1559
1560 #if 0
1561   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
1562     if (menu.sound[i] != -1)
1563       printf("::: menu.sound[%d] == %d\n", i, menu.sound[i]);
1564 #endif
1565 }
1566
1567 static void set_sound_parameters(int sound, char **parameter_raw)
1568 {
1569   int parameter[NUM_SND_ARGS];
1570   int i;
1571
1572   /* get integer values from string parameters */
1573   for (i = 0; i < NUM_SND_ARGS; i++)
1574     parameter[i] =
1575       get_parameter_value(parameter_raw[i],
1576                           sound_config_suffix[i].token,
1577                           sound_config_suffix[i].type);
1578
1579   /* explicit loop mode setting in configuration overrides default value */
1580   if (parameter[SND_ARG_MODE_LOOP] != ARG_UNDEFINED_VALUE)
1581     sound_info[sound].loop = parameter[SND_ARG_MODE_LOOP];
1582
1583   /* sound volume to change the original volume when loading the sound file */
1584   sound_info[sound].volume = parameter[SND_ARG_VOLUME];
1585
1586   /* sound priority to give certain sounds a higher or lower priority */
1587   sound_info[sound].volume = parameter[SND_ARG_VOLUME];
1588 }
1589
1590 static void InitSoundInfo()
1591 {
1592   int *sound_effect_properties;
1593   int num_sounds = getSoundListSize();
1594   int i, j;
1595
1596   checked_free(sound_info);
1597
1598   sound_effect_properties = checked_calloc(num_sounds * sizeof(int));
1599   sound_info = checked_calloc(num_sounds * sizeof(struct SoundInfo));
1600
1601   /* initialize sound effect for all elements to "no sound" */
1602   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
1603     for (j = 0; j < NUM_ACTIONS; j++)
1604       element_info[i].sound[j] = SND_UNDEFINED;
1605
1606   for (i = 0; i < num_sounds; i++)
1607   {
1608     struct FileInfo *sound = getSoundListEntry(i);
1609     int len_effect_text = strlen(sound->token);
1610
1611     sound_effect_properties[i] = ACTION_OTHER;
1612     sound_info[i].loop = FALSE;         /* default: play sound only once */
1613
1614 #if 0
1615     printf("::: sound %d: '%s'\n", i, sound->token);
1616 #endif
1617
1618     /* determine all loop sounds and identify certain sound classes */
1619
1620     for (j = 0; element_action_info[j].suffix; j++)
1621     {
1622       int len_action_text = strlen(element_action_info[j].suffix);
1623
1624       if (len_action_text < len_effect_text &&
1625           strEqual(&sound->token[len_effect_text - len_action_text],
1626                    element_action_info[j].suffix))
1627       {
1628         sound_effect_properties[i] = element_action_info[j].value;
1629         sound_info[i].loop = element_action_info[j].is_loop_sound;
1630
1631         break;
1632       }
1633     }
1634
1635     /* associate elements and some selected sound actions */
1636
1637     for (j = 0; j < MAX_NUM_ELEMENTS; j++)
1638     {
1639       if (element_info[j].class_name)
1640       {
1641         int len_class_text = strlen(element_info[j].class_name);
1642
1643         if (len_class_text + 1 < len_effect_text &&
1644             strncmp(sound->token,
1645                     element_info[j].class_name, len_class_text) == 0 &&
1646             sound->token[len_class_text] == '.')
1647         {
1648           int sound_action_value = sound_effect_properties[i];
1649
1650           element_info[j].sound[sound_action_value] = i;
1651         }
1652       }
1653     }
1654
1655     set_sound_parameters(i, sound->parameter);
1656   }
1657
1658   free(sound_effect_properties);
1659 }
1660
1661 static void InitGameModeMusicInfo()
1662 {
1663   struct PropertyMapping *property_mapping = getMusicListPropertyMapping();
1664   int num_property_mappings = getMusicListPropertyMappingSize();
1665   int default_levelset_music = -1;
1666   int i;
1667
1668   /* set values to -1 to identify later as "uninitialized" values */
1669   for (i = 0; i < MAX_LEVELS; i++)
1670     levelset.music[i] = -1;
1671   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
1672     menu.music[i] = -1;
1673
1674   /* initialize gamemode/music mapping from static configuration */
1675   for (i = 0; gamemode_to_music[i].music > -1; i++)
1676   {
1677     int gamemode = gamemode_to_music[i].gamemode;
1678     int music    = gamemode_to_music[i].music;
1679
1680 #if 0
1681     printf("::: gamemode == %d, music == %d\n", gamemode, music);
1682 #endif
1683
1684     if (gamemode < 0)
1685       gamemode = GAME_MODE_DEFAULT;
1686
1687     menu.music[gamemode] = music;
1688   }
1689
1690   /* initialize gamemode/music mapping from dynamic configuration */
1691   for (i = 0; i < num_property_mappings; i++)
1692   {
1693     int prefix   = property_mapping[i].base_index;
1694     int gamemode = property_mapping[i].ext1_index;
1695     int level    = property_mapping[i].ext2_index;
1696     int music    = property_mapping[i].artwork_index;
1697
1698 #if 0
1699     printf("::: prefix == %d, gamemode == %d, level == %d, music == %d\n",
1700            prefix, gamemode, level, music);
1701 #endif
1702
1703     if (prefix < 0 || prefix >= NUM_MUSIC_PREFIXES)
1704       continue;
1705
1706     if (gamemode < 0)
1707       gamemode = GAME_MODE_DEFAULT;
1708
1709     /* level specific music only allowed for in-game music */
1710     if (level != -1 && gamemode == GAME_MODE_DEFAULT)
1711       gamemode = GAME_MODE_PLAYING;
1712
1713     if (level == -1)
1714     {
1715       level = 0;
1716       default_levelset_music = music;
1717     }
1718
1719     if (gamemode == GAME_MODE_PLAYING || gamemode == GAME_MODE_DEFAULT)
1720       levelset.music[level] = music;
1721     if (gamemode != GAME_MODE_PLAYING)
1722       menu.music[gamemode] = music;
1723   }
1724
1725   /* now set all '-1' values to menu specific default values */
1726   /* (undefined values of "levelset.music[]" might stay at "-1" to
1727      allow dynamic selection of music files from music directory!) */
1728   for (i = 0; i < MAX_LEVELS; i++)
1729     if (levelset.music[i] == -1)
1730       levelset.music[i] = default_levelset_music;
1731   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
1732     if (menu.music[i] == -1)
1733       menu.music[i] = menu.music[GAME_MODE_DEFAULT];
1734
1735 #if 0
1736   for (i = 0; i < MAX_LEVELS; i++)
1737     if (levelset.music[i] != -1)
1738       printf("::: levelset.music[%d] == %d\n", i, levelset.music[i]);
1739   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
1740     if (menu.music[i] != -1)
1741       printf("::: menu.music[%d] == %d\n", i, menu.music[i]);
1742 #endif
1743 }
1744
1745 static void set_music_parameters(int music, char **parameter_raw)
1746 {
1747   int parameter[NUM_MUS_ARGS];
1748   int i;
1749
1750   /* get integer values from string parameters */
1751   for (i = 0; i < NUM_MUS_ARGS; i++)
1752     parameter[i] =
1753       get_parameter_value(parameter_raw[i],
1754                           music_config_suffix[i].token,
1755                           music_config_suffix[i].type);
1756
1757   /* explicit loop mode setting in configuration overrides default value */
1758   if (parameter[MUS_ARG_MODE_LOOP] != ARG_UNDEFINED_VALUE)
1759     music_info[music].loop = parameter[MUS_ARG_MODE_LOOP];
1760 }
1761
1762 static void InitMusicInfo()
1763 {
1764   int num_music = getMusicListSize();
1765   int i, j;
1766
1767   checked_free(music_info);
1768
1769   music_info = checked_calloc(num_music * sizeof(struct MusicInfo));
1770
1771   for (i = 0; i < num_music; i++)
1772   {
1773     struct FileInfo *music = getMusicListEntry(i);
1774     int len_music_text = strlen(music->token);
1775
1776     music_info[i].loop = TRUE;          /* default: play music in loop mode */
1777
1778     /* determine all loop music */
1779
1780     for (j = 0; music_prefix_info[j].prefix; j++)
1781     {
1782       int len_prefix_text = strlen(music_prefix_info[j].prefix);
1783
1784       if (len_prefix_text < len_music_text &&
1785           strncmp(music->token,
1786                   music_prefix_info[j].prefix, len_prefix_text) == 0)
1787       {
1788         music_info[i].loop = music_prefix_info[j].is_loop_music;
1789
1790         break;
1791       }
1792     }
1793
1794     set_music_parameters(i, music->parameter);
1795   }
1796 }
1797
1798 static void ReinitializeGraphics()
1799 {
1800   InitGraphicInfo();                    /* graphic properties mapping */
1801   InitElementGraphicInfo();             /* element game graphic mapping */
1802   InitElementSpecialGraphicInfo();      /* element special graphic mapping */
1803
1804   InitElementSmallImages();             /* scale elements to all needed sizes */
1805   InitScaledImages();                   /* scale all other images, if needed */
1806   InitFontGraphicInfo();                /* initialize text drawing functions */
1807
1808   InitGraphicInfo_EM();                 /* graphic mapping for EM engine */
1809
1810   SetMainBackgroundImage(IMG_BACKGROUND);
1811   SetDoorBackgroundImage(IMG_BACKGROUND_DOOR);
1812
1813   InitGadgets();
1814   InitToons();
1815 }
1816
1817 static void ReinitializeSounds()
1818 {
1819   InitSoundInfo();              /* sound properties mapping */
1820   InitElementSoundInfo();       /* element game sound mapping */
1821   InitGameModeSoundInfo();      /* game mode sound mapping */
1822
1823   InitPlayLevelSound();         /* internal game sound settings */
1824 }
1825
1826 static void ReinitializeMusic()
1827 {
1828   InitMusicInfo();              /* music properties mapping */
1829   InitGameModeMusicInfo();      /* game mode music mapping */
1830 }
1831
1832 static int get_special_property_bit(int element, int property_bit_nr)
1833 {
1834   struct PropertyBitInfo
1835   {
1836     int element;
1837     int bit_nr;
1838   };
1839
1840   static struct PropertyBitInfo pb_can_move_into_acid[] =
1841   {
1842     /* the player may be able fall into acid when gravity is activated */
1843     { EL_PLAYER_1,              0       },
1844     { EL_PLAYER_2,              0       },
1845     { EL_PLAYER_3,              0       },
1846     { EL_PLAYER_4,              0       },
1847     { EL_SP_MURPHY,             0       },
1848     { EL_SOKOBAN_FIELD_PLAYER,  0       },
1849
1850     /* all elements that can move may be able to also move into acid */
1851     { EL_BUG,                   1       },
1852     { EL_BUG_LEFT,              1       },
1853     { EL_BUG_RIGHT,             1       },
1854     { EL_BUG_UP,                1       },
1855     { EL_BUG_DOWN,              1       },
1856     { EL_SPACESHIP,             2       },
1857     { EL_SPACESHIP_LEFT,        2       },
1858     { EL_SPACESHIP_RIGHT,       2       },
1859     { EL_SPACESHIP_UP,          2       },
1860     { EL_SPACESHIP_DOWN,        2       },
1861     { EL_BD_BUTTERFLY,          3       },
1862     { EL_BD_BUTTERFLY_LEFT,     3       },
1863     { EL_BD_BUTTERFLY_RIGHT,    3       },
1864     { EL_BD_BUTTERFLY_UP,       3       },
1865     { EL_BD_BUTTERFLY_DOWN,     3       },
1866     { EL_BD_FIREFLY,            4       },
1867     { EL_BD_FIREFLY_LEFT,       4       },
1868     { EL_BD_FIREFLY_RIGHT,      4       },
1869     { EL_BD_FIREFLY_UP,         4       },
1870     { EL_BD_FIREFLY_DOWN,       4       },
1871     { EL_YAMYAM,                5       },
1872     { EL_YAMYAM_LEFT,           5       },
1873     { EL_YAMYAM_RIGHT,          5       },
1874     { EL_YAMYAM_UP,             5       },
1875     { EL_YAMYAM_DOWN,           5       },
1876     { EL_DARK_YAMYAM,           6       },
1877     { EL_ROBOT,                 7       },
1878     { EL_PACMAN,                8       },
1879     { EL_PACMAN_LEFT,           8       },
1880     { EL_PACMAN_RIGHT,          8       },
1881     { EL_PACMAN_UP,             8       },
1882     { EL_PACMAN_DOWN,           8       },
1883     { EL_MOLE,                  9       },
1884     { EL_MOLE_LEFT,             9       },
1885     { EL_MOLE_RIGHT,            9       },
1886     { EL_MOLE_UP,               9       },
1887     { EL_MOLE_DOWN,             9       },
1888     { EL_PENGUIN,               10      },
1889     { EL_PIG,                   11      },
1890     { EL_DRAGON,                12      },
1891     { EL_SATELLITE,             13      },
1892     { EL_SP_SNIKSNAK,           14      },
1893     { EL_SP_ELECTRON,           15      },
1894     { EL_BALLOON,               16      },
1895     { EL_SPRING,                17      },
1896     { EL_EMC_ANDROID,           18      },
1897
1898     { -1,                       -1      },
1899   };
1900
1901   static struct PropertyBitInfo pb_dont_collide_with[] =
1902   {
1903     { EL_SP_SNIKSNAK,           0       },
1904     { EL_SP_ELECTRON,           1       },
1905
1906     { -1,                       -1      },
1907   };
1908
1909   static struct
1910   {
1911     int bit_nr;
1912     struct PropertyBitInfo *pb_info;
1913   } pb_definition[] =
1914   {
1915     { EP_CAN_MOVE_INTO_ACID,    pb_can_move_into_acid   },
1916     { EP_DONT_COLLIDE_WITH,     pb_dont_collide_with    },
1917
1918     { -1,                       NULL                    },
1919   };
1920
1921   struct PropertyBitInfo *pb_info = NULL;
1922   int i;
1923
1924   for (i = 0; pb_definition[i].bit_nr != -1; i++)
1925     if (pb_definition[i].bit_nr == property_bit_nr)
1926       pb_info = pb_definition[i].pb_info;
1927
1928   if (pb_info == NULL)
1929     return -1;
1930
1931   for (i = 0; pb_info[i].element != -1; i++)
1932     if (pb_info[i].element == element)
1933       return pb_info[i].bit_nr;
1934
1935   return -1;
1936 }
1937
1938 void setBitfieldProperty(int *bitfield, int property_bit_nr, int element,
1939                          boolean property_value)
1940 {
1941   int bit_nr = get_special_property_bit(element, property_bit_nr);
1942
1943   if (bit_nr > -1)
1944   {
1945     if (property_value)
1946       *bitfield |=  (1 << bit_nr);
1947     else
1948       *bitfield &= ~(1 << bit_nr);
1949   }
1950 }
1951
1952 boolean getBitfieldProperty(int *bitfield, int property_bit_nr, int element)
1953 {
1954   int bit_nr = get_special_property_bit(element, property_bit_nr);
1955
1956   if (bit_nr > -1)
1957     return ((*bitfield & (1 << bit_nr)) != 0);
1958
1959   return FALSE;
1960 }
1961
1962 static void resolve_group_element(int group_element, int recursion_depth)
1963 {
1964   static int group_nr;
1965   static struct ElementGroupInfo *group;
1966   struct ElementGroupInfo *actual_group = element_info[group_element].group;
1967   int i;
1968
1969   if (actual_group == NULL)                     /* not yet initialized */
1970     return;
1971
1972   if (recursion_depth > NUM_GROUP_ELEMENTS)     /* recursion too deep */
1973   {
1974     Error(ERR_WARN, "recursion too deep when resolving group element %d",
1975           group_element - EL_GROUP_START + 1);
1976
1977     /* replace element which caused too deep recursion by question mark */
1978     group->element_resolved[group->num_elements_resolved++] = EL_UNKNOWN;
1979
1980     return;
1981   }
1982
1983   if (recursion_depth == 0)                     /* initialization */
1984   {
1985     group = actual_group;
1986     group_nr = group_element - EL_GROUP_START;
1987
1988     group->num_elements_resolved = 0;
1989     group->choice_pos = 0;
1990   }
1991
1992   for (i = 0; i < actual_group->num_elements; i++)
1993   {
1994     int element = actual_group->element[i];
1995
1996     if (group->num_elements_resolved == NUM_FILE_ELEMENTS)
1997       break;
1998
1999     if (IS_GROUP_ELEMENT(element))
2000       resolve_group_element(element, recursion_depth + 1);
2001     else
2002     {
2003       group->element_resolved[group->num_elements_resolved++] = element;
2004       element_info[element].in_group[group_nr] = TRUE;
2005     }
2006   }
2007 }
2008
2009 void InitElementPropertiesStatic()
2010 {
2011   static int ep_diggable[] =
2012   {
2013     EL_SAND,
2014     EL_SP_BASE,
2015     EL_SP_BUGGY_BASE,
2016     EL_SP_BUGGY_BASE_ACTIVATING,
2017     EL_TRAP,
2018     EL_INVISIBLE_SAND,
2019     EL_INVISIBLE_SAND_ACTIVE,
2020     EL_EMC_GRASS,
2021
2022     /* !!! currently not diggable, but handled by 'ep_dont_run_into' !!! */
2023     /* (if amoeba can grow into anything diggable, maybe keep these out) */
2024 #if 0
2025     EL_LANDMINE,
2026     EL_DC_LANDMINE,
2027     EL_TRAP_ACTIVE,
2028     EL_SP_BUGGY_BASE_ACTIVE,
2029     EL_EMC_PLANT,
2030 #endif
2031
2032     -1
2033   };
2034
2035   static int ep_collectible_only[] =
2036   {
2037     EL_BD_DIAMOND,
2038     EL_EMERALD,
2039     EL_DIAMOND,
2040     EL_EMERALD_YELLOW,
2041     EL_EMERALD_RED,
2042     EL_EMERALD_PURPLE,
2043     EL_KEY_1,
2044     EL_KEY_2,
2045     EL_KEY_3,
2046     EL_KEY_4,
2047     EL_EM_KEY_1,
2048     EL_EM_KEY_2,
2049     EL_EM_KEY_3,
2050     EL_EM_KEY_4,
2051     EL_EMC_KEY_5,
2052     EL_EMC_KEY_6,
2053     EL_EMC_KEY_7,
2054     EL_EMC_KEY_8,
2055     EL_DYNAMITE,
2056     EL_EM_DYNAMITE,
2057     EL_DYNABOMB_INCREASE_NUMBER,
2058     EL_DYNABOMB_INCREASE_SIZE,
2059     EL_DYNABOMB_INCREASE_POWER,
2060     EL_SP_INFOTRON,
2061     EL_SP_DISK_RED,
2062     EL_PEARL,
2063     EL_CRYSTAL,
2064     EL_KEY_WHITE,
2065     EL_SHIELD_NORMAL,
2066     EL_SHIELD_DEADLY,
2067     EL_EXTRA_TIME,
2068     EL_ENVELOPE_1,
2069     EL_ENVELOPE_2,
2070     EL_ENVELOPE_3,
2071     EL_ENVELOPE_4,
2072     EL_SPEED_PILL,
2073     EL_EMC_LENSES,
2074     EL_EMC_MAGNIFIER,
2075
2076 #if 0
2077     /* !!! handle separately !!! */
2078     EL_DC_LANDMINE,     /* deadly when running into, but can be snapped */
2079 #endif
2080
2081     -1
2082   };
2083
2084   static int ep_dont_run_into[] =
2085   {
2086     /* same elements as in 'ep_dont_touch' */
2087     EL_BUG,
2088     EL_SPACESHIP,
2089     EL_BD_BUTTERFLY,
2090     EL_BD_FIREFLY,
2091
2092     /* same elements as in 'ep_dont_collide_with' */
2093     EL_YAMYAM,
2094     EL_DARK_YAMYAM,
2095     EL_ROBOT,
2096     EL_PACMAN,
2097     EL_SP_SNIKSNAK,
2098     EL_SP_ELECTRON,
2099
2100     /* new elements */
2101     EL_AMOEBA_DROP,
2102     EL_ACID,
2103
2104     /* !!! maybe this should better be handled by 'ep_diggable' !!! */
2105 #if 1
2106     EL_LANDMINE,
2107     EL_DC_LANDMINE,
2108     EL_TRAP_ACTIVE,
2109     EL_SP_BUGGY_BASE_ACTIVE,
2110     EL_EMC_PLANT,
2111 #endif
2112
2113     -1
2114   };
2115
2116   static int ep_dont_collide_with[] =
2117   {
2118     /* same elements as in 'ep_dont_touch' */
2119     EL_BUG,
2120     EL_SPACESHIP,
2121     EL_BD_BUTTERFLY,
2122     EL_BD_FIREFLY,
2123
2124     /* new elements */
2125     EL_YAMYAM,
2126     EL_DARK_YAMYAM,
2127     EL_ROBOT,
2128     EL_PACMAN,
2129     EL_SP_SNIKSNAK,
2130     EL_SP_ELECTRON,
2131
2132     -1
2133   };
2134
2135   static int ep_dont_touch[] =
2136   {
2137     EL_BUG,
2138     EL_SPACESHIP,
2139     EL_BD_BUTTERFLY,
2140     EL_BD_FIREFLY,
2141
2142     -1
2143   };
2144
2145   static int ep_indestructible[] =
2146   {
2147     EL_STEELWALL,
2148     EL_ACID,
2149     EL_ACID_POOL_TOPLEFT,
2150     EL_ACID_POOL_TOPRIGHT,
2151     EL_ACID_POOL_BOTTOMLEFT,
2152     EL_ACID_POOL_BOTTOM,
2153     EL_ACID_POOL_BOTTOMRIGHT,
2154     EL_SP_HARDWARE_GRAY,
2155     EL_SP_HARDWARE_GREEN,
2156     EL_SP_HARDWARE_BLUE,
2157     EL_SP_HARDWARE_RED,
2158     EL_SP_HARDWARE_YELLOW,
2159     EL_SP_HARDWARE_BASE_1,
2160     EL_SP_HARDWARE_BASE_2,
2161     EL_SP_HARDWARE_BASE_3,
2162     EL_SP_HARDWARE_BASE_4,
2163     EL_SP_HARDWARE_BASE_5,
2164     EL_SP_HARDWARE_BASE_6,
2165     EL_INVISIBLE_STEELWALL,
2166     EL_INVISIBLE_STEELWALL_ACTIVE,
2167     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2168     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2169     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2170     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2171     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2172     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2173     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2174     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2175     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2176     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2177     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2178     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2179     EL_LIGHT_SWITCH,
2180     EL_LIGHT_SWITCH_ACTIVE,
2181     EL_SIGN_EXCLAMATION,
2182     EL_SIGN_RADIOACTIVITY,
2183     EL_SIGN_STOP,
2184     EL_SIGN_WHEELCHAIR,
2185     EL_SIGN_PARKING,
2186     EL_SIGN_NO_ENTRY,
2187     EL_SIGN_UNUSED_1,
2188     EL_SIGN_GIVE_WAY,
2189     EL_SIGN_ENTRY_FORBIDDEN,
2190     EL_SIGN_EMERGENCY_EXIT,
2191     EL_SIGN_YIN_YANG,
2192     EL_SIGN_UNUSED_2,
2193     EL_SIGN_SPERMS,
2194     EL_SIGN_BULLET,
2195     EL_SIGN_HEART,
2196     EL_SIGN_CROSS,
2197     EL_SIGN_FRANKIE,
2198     EL_STEEL_EXIT_CLOSED,
2199     EL_STEEL_EXIT_OPEN,
2200     EL_DC_STEELWALL_1_LEFT,
2201     EL_DC_STEELWALL_1_RIGHT,
2202     EL_DC_STEELWALL_1_TOP,
2203     EL_DC_STEELWALL_1_BOTTOM,
2204     EL_DC_STEELWALL_1_HORIZONTAL,
2205     EL_DC_STEELWALL_1_VERTICAL,
2206     EL_DC_STEELWALL_1_TOPLEFT,
2207     EL_DC_STEELWALL_1_TOPRIGHT,
2208     EL_DC_STEELWALL_1_BOTTOMLEFT,
2209     EL_DC_STEELWALL_1_BOTTOMRIGHT,
2210     EL_DC_STEELWALL_1_TOPLEFT_2,
2211     EL_DC_STEELWALL_1_TOPRIGHT_2,
2212     EL_DC_STEELWALL_1_BOTTOMLEFT_2,
2213     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
2214     EL_DC_STEELWALL_2_LEFT,
2215     EL_DC_STEELWALL_2_RIGHT,
2216     EL_DC_STEELWALL_2_TOP,
2217     EL_DC_STEELWALL_2_BOTTOM,
2218     EL_DC_STEELWALL_2_HORIZONTAL,
2219     EL_DC_STEELWALL_2_VERTICAL,
2220     EL_DC_STEELWALL_2_MIDDLE,
2221     EL_DC_STEELWALL_2_SINGLE,
2222     EL_STEELWALL_SLIPPERY,
2223     EL_EMC_STEELWALL_1,
2224     EL_EMC_STEELWALL_2,
2225     EL_EMC_STEELWALL_3,
2226     EL_EMC_STEELWALL_4,
2227     EL_CRYSTAL,
2228     EL_GATE_1,
2229     EL_GATE_2,
2230     EL_GATE_3,
2231     EL_GATE_4,
2232     EL_GATE_1_GRAY,
2233     EL_GATE_2_GRAY,
2234     EL_GATE_3_GRAY,
2235     EL_GATE_4_GRAY,
2236     EL_GATE_1_GRAY_ACTIVE,
2237     EL_GATE_2_GRAY_ACTIVE,
2238     EL_GATE_3_GRAY_ACTIVE,
2239     EL_GATE_4_GRAY_ACTIVE,
2240     EL_EM_GATE_1,
2241     EL_EM_GATE_2,
2242     EL_EM_GATE_3,
2243     EL_EM_GATE_4,
2244     EL_EM_GATE_1_GRAY,
2245     EL_EM_GATE_2_GRAY,
2246     EL_EM_GATE_3_GRAY,
2247     EL_EM_GATE_4_GRAY,
2248     EL_EM_GATE_1_GRAY_ACTIVE,
2249     EL_EM_GATE_2_GRAY_ACTIVE,
2250     EL_EM_GATE_3_GRAY_ACTIVE,
2251     EL_EM_GATE_4_GRAY_ACTIVE,
2252     EL_EMC_GATE_5,
2253     EL_EMC_GATE_6,
2254     EL_EMC_GATE_7,
2255     EL_EMC_GATE_8,
2256     EL_EMC_GATE_5_GRAY,
2257     EL_EMC_GATE_6_GRAY,
2258     EL_EMC_GATE_7_GRAY,
2259     EL_EMC_GATE_8_GRAY,
2260     EL_EMC_GATE_5_GRAY_ACTIVE,
2261     EL_EMC_GATE_6_GRAY_ACTIVE,
2262     EL_EMC_GATE_7_GRAY_ACTIVE,
2263     EL_EMC_GATE_8_GRAY_ACTIVE,
2264     EL_SWITCHGATE_OPEN,
2265     EL_SWITCHGATE_OPENING,
2266     EL_SWITCHGATE_CLOSED,
2267     EL_SWITCHGATE_CLOSING,
2268 #if 1
2269     EL_DC_SWITCHGATE_SWITCH_UP,
2270     EL_DC_SWITCHGATE_SWITCH_DOWN,
2271 #endif
2272     EL_TIMEGATE_OPEN,
2273     EL_TIMEGATE_OPENING,
2274     EL_TIMEGATE_CLOSED,
2275     EL_TIMEGATE_CLOSING,
2276 #if 1
2277     EL_DC_TIMEGATE_SWITCH,
2278     EL_DC_TIMEGATE_SWITCH_ACTIVE,
2279 #endif
2280     EL_TUBE_ANY,
2281     EL_TUBE_VERTICAL,
2282     EL_TUBE_HORIZONTAL,
2283     EL_TUBE_VERTICAL_LEFT,
2284     EL_TUBE_VERTICAL_RIGHT,
2285     EL_TUBE_HORIZONTAL_UP,
2286     EL_TUBE_HORIZONTAL_DOWN,
2287     EL_TUBE_LEFT_UP,
2288     EL_TUBE_LEFT_DOWN,
2289     EL_TUBE_RIGHT_UP,
2290     EL_TUBE_RIGHT_DOWN,
2291     EL_EXPANDABLE_STEELWALL_HORIZONTAL,
2292     EL_EXPANDABLE_STEELWALL_VERTICAL,
2293     EL_EXPANDABLE_STEELWALL_ANY,
2294
2295     -1
2296   };
2297
2298   static int ep_slippery[] =
2299   {
2300     EL_WALL_SLIPPERY,
2301     EL_BD_WALL,
2302     EL_ROCK,
2303     EL_BD_ROCK,
2304     EL_EMERALD,
2305     EL_BD_DIAMOND,
2306     EL_EMERALD_YELLOW,
2307     EL_EMERALD_RED,
2308     EL_EMERALD_PURPLE,
2309     EL_DIAMOND,
2310     EL_BOMB,
2311     EL_NUT,
2312     EL_ROBOT_WHEEL_ACTIVE,
2313     EL_ROBOT_WHEEL,
2314     EL_TIME_ORB_FULL,
2315     EL_TIME_ORB_EMPTY,
2316     EL_LAMP_ACTIVE,
2317     EL_LAMP,
2318     EL_ACID_POOL_TOPLEFT,
2319     EL_ACID_POOL_TOPRIGHT,
2320     EL_SATELLITE,
2321     EL_SP_ZONK,
2322     EL_SP_INFOTRON,
2323     EL_SP_CHIP_SINGLE,
2324     EL_SP_CHIP_LEFT,
2325     EL_SP_CHIP_RIGHT,
2326     EL_SP_CHIP_TOP,
2327     EL_SP_CHIP_BOTTOM,
2328     EL_SPEED_PILL,
2329     EL_STEELWALL_SLIPPERY,
2330     EL_PEARL,
2331     EL_CRYSTAL,
2332     EL_EMC_WALL_SLIPPERY_1,
2333     EL_EMC_WALL_SLIPPERY_2,
2334     EL_EMC_WALL_SLIPPERY_3,
2335     EL_EMC_WALL_SLIPPERY_4,
2336     EL_EMC_MAGIC_BALL,
2337     EL_EMC_MAGIC_BALL_ACTIVE,
2338
2339     -1
2340   };
2341
2342   static int ep_can_change[] =
2343   {
2344     -1
2345   };
2346
2347   static int ep_can_move[] =
2348   {
2349     /* same elements as in 'pb_can_move_into_acid' */
2350     EL_BUG,
2351     EL_SPACESHIP,
2352     EL_BD_BUTTERFLY,
2353     EL_BD_FIREFLY,
2354     EL_YAMYAM,
2355     EL_DARK_YAMYAM,
2356     EL_ROBOT,
2357     EL_PACMAN,
2358     EL_MOLE,
2359     EL_PENGUIN,
2360     EL_PIG,
2361     EL_DRAGON,
2362     EL_SATELLITE,
2363     EL_SP_SNIKSNAK,
2364     EL_SP_ELECTRON,
2365     EL_BALLOON,
2366     EL_SPRING,
2367     EL_EMC_ANDROID,
2368
2369     -1
2370   };
2371
2372   static int ep_can_fall[] =
2373   {
2374     EL_ROCK,
2375     EL_BD_ROCK,
2376     EL_EMERALD,
2377     EL_BD_DIAMOND,
2378     EL_EMERALD_YELLOW,
2379     EL_EMERALD_RED,
2380     EL_EMERALD_PURPLE,
2381     EL_DIAMOND,
2382     EL_BOMB,
2383     EL_NUT,
2384     EL_AMOEBA_DROP,
2385     EL_QUICKSAND_FULL,
2386     EL_MAGIC_WALL_FULL,
2387     EL_BD_MAGIC_WALL_FULL,
2388     EL_TIME_ORB_FULL,
2389     EL_TIME_ORB_EMPTY,
2390     EL_SP_ZONK,
2391     EL_SP_INFOTRON,
2392     EL_SP_DISK_ORANGE,
2393     EL_PEARL,
2394     EL_CRYSTAL,
2395     EL_SPRING,
2396     EL_DX_SUPABOMB,
2397
2398     -1
2399   };
2400
2401   static int ep_can_smash_player[] =
2402   {
2403     EL_ROCK,
2404     EL_BD_ROCK,
2405     EL_EMERALD,
2406     EL_BD_DIAMOND,
2407     EL_EMERALD_YELLOW,
2408     EL_EMERALD_RED,
2409     EL_EMERALD_PURPLE,
2410     EL_DIAMOND,
2411     EL_BOMB,
2412     EL_NUT,
2413     EL_AMOEBA_DROP,
2414     EL_TIME_ORB_FULL,
2415     EL_TIME_ORB_EMPTY,
2416     EL_SP_ZONK,
2417     EL_SP_INFOTRON,
2418     EL_SP_DISK_ORANGE,
2419     EL_PEARL,
2420     EL_CRYSTAL,
2421     EL_SPRING,
2422     EL_DX_SUPABOMB,
2423
2424     -1
2425   };
2426
2427   static int ep_can_smash_enemies[] =
2428   {
2429     EL_ROCK,
2430     EL_BD_ROCK,
2431     EL_SP_ZONK,
2432
2433     -1
2434   };
2435
2436   static int ep_can_smash_everything[] =
2437   {
2438     EL_ROCK,
2439     EL_BD_ROCK,
2440     EL_SP_ZONK,
2441
2442     -1
2443   };
2444
2445   static int ep_explodes_by_fire[] =
2446   {
2447     /* same elements as in 'ep_explodes_impact' */
2448     EL_BOMB,
2449     EL_SP_DISK_ORANGE,
2450     EL_DX_SUPABOMB,
2451
2452     /* same elements as in 'ep_explodes_smashed' */
2453     EL_SATELLITE,
2454     EL_PIG,
2455     EL_DRAGON,
2456     EL_MOLE,
2457
2458     /* new elements */
2459     EL_DYNAMITE,
2460     EL_DYNAMITE_ACTIVE,
2461     EL_EM_DYNAMITE,
2462     EL_EM_DYNAMITE_ACTIVE,
2463     EL_DYNABOMB_PLAYER_1_ACTIVE,
2464     EL_DYNABOMB_PLAYER_2_ACTIVE,
2465     EL_DYNABOMB_PLAYER_3_ACTIVE,
2466     EL_DYNABOMB_PLAYER_4_ACTIVE,
2467     EL_DYNABOMB_INCREASE_NUMBER,
2468     EL_DYNABOMB_INCREASE_SIZE,
2469     EL_DYNABOMB_INCREASE_POWER,
2470     EL_SP_DISK_RED_ACTIVE,
2471     EL_BUG,
2472     EL_PENGUIN,
2473     EL_SP_DISK_RED,
2474     EL_SP_DISK_YELLOW,
2475     EL_SP_SNIKSNAK,
2476     EL_SP_ELECTRON,
2477 #if 0
2478     EL_BLACK_ORB,
2479 #endif
2480
2481     -1
2482   };
2483
2484   static int ep_explodes_smashed[] =
2485   {
2486     /* same elements as in 'ep_explodes_impact' */
2487     EL_BOMB,
2488     EL_SP_DISK_ORANGE,
2489     EL_DX_SUPABOMB,
2490
2491     /* new elements */
2492     EL_SATELLITE,
2493     EL_PIG,
2494     EL_DRAGON,
2495     EL_MOLE,
2496
2497     -1
2498   };
2499
2500   static int ep_explodes_impact[] =
2501   {
2502     EL_BOMB,
2503     EL_SP_DISK_ORANGE,
2504     EL_DX_SUPABOMB,
2505
2506     -1
2507   };
2508
2509   static int ep_walkable_over[] =
2510   {
2511     EL_EMPTY_SPACE,
2512     EL_SP_EMPTY_SPACE,
2513     EL_SOKOBAN_FIELD_EMPTY,
2514     EL_EXIT_OPEN,
2515     EL_SP_EXIT_OPEN,
2516     EL_SP_EXIT_OPENING,
2517     EL_STEEL_EXIT_OPEN,
2518     EL_GATE_1,
2519     EL_GATE_2,
2520     EL_GATE_3,
2521     EL_GATE_4,
2522     EL_GATE_1_GRAY,
2523     EL_GATE_2_GRAY,
2524     EL_GATE_3_GRAY,
2525     EL_GATE_4_GRAY,
2526     EL_GATE_1_GRAY_ACTIVE,
2527     EL_GATE_2_GRAY_ACTIVE,
2528     EL_GATE_3_GRAY_ACTIVE,
2529     EL_GATE_4_GRAY_ACTIVE,
2530     EL_PENGUIN,
2531     EL_PIG,
2532     EL_DRAGON,
2533
2534     -1
2535   };
2536
2537   static int ep_walkable_inside[] =
2538   {
2539     EL_TUBE_ANY,
2540     EL_TUBE_VERTICAL,
2541     EL_TUBE_HORIZONTAL,
2542     EL_TUBE_VERTICAL_LEFT,
2543     EL_TUBE_VERTICAL_RIGHT,
2544     EL_TUBE_HORIZONTAL_UP,
2545     EL_TUBE_HORIZONTAL_DOWN,
2546     EL_TUBE_LEFT_UP,
2547     EL_TUBE_LEFT_DOWN,
2548     EL_TUBE_RIGHT_UP,
2549     EL_TUBE_RIGHT_DOWN,
2550
2551     -1
2552   };
2553
2554   static int ep_walkable_under[] =
2555   {
2556     -1
2557   };
2558
2559   static int ep_passable_over[] =
2560   {
2561     EL_EM_GATE_1,
2562     EL_EM_GATE_2,
2563     EL_EM_GATE_3,
2564     EL_EM_GATE_4,
2565     EL_EM_GATE_1_GRAY,
2566     EL_EM_GATE_2_GRAY,
2567     EL_EM_GATE_3_GRAY,
2568     EL_EM_GATE_4_GRAY,
2569     EL_EM_GATE_1_GRAY_ACTIVE,
2570     EL_EM_GATE_2_GRAY_ACTIVE,
2571     EL_EM_GATE_3_GRAY_ACTIVE,
2572     EL_EM_GATE_4_GRAY_ACTIVE,
2573     EL_EMC_GATE_5,
2574     EL_EMC_GATE_6,
2575     EL_EMC_GATE_7,
2576     EL_EMC_GATE_8,
2577     EL_EMC_GATE_5_GRAY,
2578     EL_EMC_GATE_6_GRAY,
2579     EL_EMC_GATE_7_GRAY,
2580     EL_EMC_GATE_8_GRAY,
2581     EL_EMC_GATE_5_GRAY_ACTIVE,
2582     EL_EMC_GATE_6_GRAY_ACTIVE,
2583     EL_EMC_GATE_7_GRAY_ACTIVE,
2584     EL_EMC_GATE_8_GRAY_ACTIVE,
2585     EL_SWITCHGATE_OPEN,
2586     EL_TIMEGATE_OPEN,
2587
2588     -1
2589   };
2590
2591   static int ep_passable_inside[] =
2592   {
2593     EL_SP_PORT_LEFT,
2594     EL_SP_PORT_RIGHT,
2595     EL_SP_PORT_UP,
2596     EL_SP_PORT_DOWN,
2597     EL_SP_PORT_HORIZONTAL,
2598     EL_SP_PORT_VERTICAL,
2599     EL_SP_PORT_ANY,
2600     EL_SP_GRAVITY_PORT_LEFT,
2601     EL_SP_GRAVITY_PORT_RIGHT,
2602     EL_SP_GRAVITY_PORT_UP,
2603     EL_SP_GRAVITY_PORT_DOWN,
2604     EL_SP_GRAVITY_ON_PORT_LEFT,
2605     EL_SP_GRAVITY_ON_PORT_RIGHT,
2606     EL_SP_GRAVITY_ON_PORT_UP,
2607     EL_SP_GRAVITY_ON_PORT_DOWN,
2608     EL_SP_GRAVITY_OFF_PORT_LEFT,
2609     EL_SP_GRAVITY_OFF_PORT_RIGHT,
2610     EL_SP_GRAVITY_OFF_PORT_UP,
2611     EL_SP_GRAVITY_OFF_PORT_DOWN,
2612
2613     -1
2614   };
2615
2616   static int ep_passable_under[] =
2617   {
2618     -1
2619   };
2620
2621   static int ep_droppable[] =
2622   {
2623     -1
2624   };
2625
2626   static int ep_explodes_1x1_old[] =
2627   {
2628     -1
2629   };
2630
2631   static int ep_pushable[] =
2632   {
2633     EL_ROCK,
2634     EL_BOMB,
2635     EL_DX_SUPABOMB,
2636     EL_NUT,
2637     EL_TIME_ORB_EMPTY,
2638     EL_SP_ZONK,
2639     EL_SP_DISK_ORANGE,
2640     EL_SPRING,
2641     EL_BD_ROCK,
2642     EL_SOKOBAN_OBJECT,
2643     EL_SOKOBAN_FIELD_FULL,
2644     EL_SATELLITE,
2645     EL_SP_DISK_YELLOW,
2646     EL_BALLOON,
2647     EL_EMC_ANDROID,
2648
2649     -1
2650   };
2651
2652   static int ep_explodes_cross_old[] =
2653   {
2654     -1
2655   };
2656
2657   static int ep_protected[] =
2658   {
2659     /* same elements as in 'ep_walkable_inside' */
2660     EL_TUBE_ANY,
2661     EL_TUBE_VERTICAL,
2662     EL_TUBE_HORIZONTAL,
2663     EL_TUBE_VERTICAL_LEFT,
2664     EL_TUBE_VERTICAL_RIGHT,
2665     EL_TUBE_HORIZONTAL_UP,
2666     EL_TUBE_HORIZONTAL_DOWN,
2667     EL_TUBE_LEFT_UP,
2668     EL_TUBE_LEFT_DOWN,
2669     EL_TUBE_RIGHT_UP,
2670     EL_TUBE_RIGHT_DOWN,
2671
2672     /* same elements as in 'ep_passable_over' */
2673     EL_EM_GATE_1,
2674     EL_EM_GATE_2,
2675     EL_EM_GATE_3,
2676     EL_EM_GATE_4,
2677     EL_EM_GATE_1_GRAY,
2678     EL_EM_GATE_2_GRAY,
2679     EL_EM_GATE_3_GRAY,
2680     EL_EM_GATE_4_GRAY,
2681     EL_EM_GATE_1_GRAY_ACTIVE,
2682     EL_EM_GATE_2_GRAY_ACTIVE,
2683     EL_EM_GATE_3_GRAY_ACTIVE,
2684     EL_EM_GATE_4_GRAY_ACTIVE,
2685     EL_EMC_GATE_5,
2686     EL_EMC_GATE_6,
2687     EL_EMC_GATE_7,
2688     EL_EMC_GATE_8,
2689     EL_EMC_GATE_5_GRAY,
2690     EL_EMC_GATE_6_GRAY,
2691     EL_EMC_GATE_7_GRAY,
2692     EL_EMC_GATE_8_GRAY,
2693     EL_EMC_GATE_5_GRAY_ACTIVE,
2694     EL_EMC_GATE_6_GRAY_ACTIVE,
2695     EL_EMC_GATE_7_GRAY_ACTIVE,
2696     EL_EMC_GATE_8_GRAY_ACTIVE,
2697     EL_SWITCHGATE_OPEN,
2698     EL_TIMEGATE_OPEN,
2699
2700     /* same elements as in 'ep_passable_inside' */
2701     EL_SP_PORT_LEFT,
2702     EL_SP_PORT_RIGHT,
2703     EL_SP_PORT_UP,
2704     EL_SP_PORT_DOWN,
2705     EL_SP_PORT_HORIZONTAL,
2706     EL_SP_PORT_VERTICAL,
2707     EL_SP_PORT_ANY,
2708     EL_SP_GRAVITY_PORT_LEFT,
2709     EL_SP_GRAVITY_PORT_RIGHT,
2710     EL_SP_GRAVITY_PORT_UP,
2711     EL_SP_GRAVITY_PORT_DOWN,
2712     EL_SP_GRAVITY_ON_PORT_LEFT,
2713     EL_SP_GRAVITY_ON_PORT_RIGHT,
2714     EL_SP_GRAVITY_ON_PORT_UP,
2715     EL_SP_GRAVITY_ON_PORT_DOWN,
2716     EL_SP_GRAVITY_OFF_PORT_LEFT,
2717     EL_SP_GRAVITY_OFF_PORT_RIGHT,
2718     EL_SP_GRAVITY_OFF_PORT_UP,
2719     EL_SP_GRAVITY_OFF_PORT_DOWN,
2720
2721     -1
2722   };
2723
2724   static int ep_throwable[] =
2725   {
2726     -1
2727   };
2728
2729   static int ep_can_explode[] =
2730   {
2731     /* same elements as in 'ep_explodes_impact' */
2732     EL_BOMB,
2733     EL_SP_DISK_ORANGE,
2734     EL_DX_SUPABOMB,
2735
2736     /* same elements as in 'ep_explodes_smashed' */
2737     EL_SATELLITE,
2738     EL_PIG,
2739     EL_DRAGON,
2740     EL_MOLE,
2741
2742     /* elements that can explode by explosion or by dragonfire */
2743     EL_DYNAMITE,
2744     EL_DYNAMITE_ACTIVE,
2745     EL_EM_DYNAMITE,
2746     EL_EM_DYNAMITE_ACTIVE,
2747     EL_DYNABOMB_PLAYER_1_ACTIVE,
2748     EL_DYNABOMB_PLAYER_2_ACTIVE,
2749     EL_DYNABOMB_PLAYER_3_ACTIVE,
2750     EL_DYNABOMB_PLAYER_4_ACTIVE,
2751     EL_DYNABOMB_INCREASE_NUMBER,
2752     EL_DYNABOMB_INCREASE_SIZE,
2753     EL_DYNABOMB_INCREASE_POWER,
2754     EL_SP_DISK_RED_ACTIVE,
2755     EL_BUG,
2756     EL_PENGUIN,
2757     EL_SP_DISK_RED,
2758     EL_SP_DISK_YELLOW,
2759     EL_SP_SNIKSNAK,
2760     EL_SP_ELECTRON,
2761
2762     /* elements that can explode only by explosion */
2763     EL_BLACK_ORB,
2764
2765     -1
2766   };
2767
2768   static int ep_gravity_reachable[] =
2769   {
2770     EL_SAND,
2771     EL_SP_BASE,
2772     EL_TRAP,
2773     EL_INVISIBLE_SAND,
2774     EL_INVISIBLE_SAND_ACTIVE,
2775     EL_SP_PORT_LEFT,
2776     EL_SP_PORT_RIGHT,
2777     EL_SP_PORT_UP,
2778     EL_SP_PORT_DOWN,
2779     EL_SP_PORT_HORIZONTAL,
2780     EL_SP_PORT_VERTICAL,
2781     EL_SP_PORT_ANY,
2782     EL_SP_GRAVITY_PORT_LEFT,
2783     EL_SP_GRAVITY_PORT_RIGHT,
2784     EL_SP_GRAVITY_PORT_UP,
2785     EL_SP_GRAVITY_PORT_DOWN,
2786     EL_SP_GRAVITY_ON_PORT_LEFT,
2787     EL_SP_GRAVITY_ON_PORT_RIGHT,
2788     EL_SP_GRAVITY_ON_PORT_UP,
2789     EL_SP_GRAVITY_ON_PORT_DOWN,
2790     EL_SP_GRAVITY_OFF_PORT_LEFT,
2791     EL_SP_GRAVITY_OFF_PORT_RIGHT,
2792     EL_SP_GRAVITY_OFF_PORT_UP,
2793     EL_SP_GRAVITY_OFF_PORT_DOWN,
2794     EL_EMC_GRASS,
2795
2796     -1
2797   };
2798
2799   static int ep_player[] =
2800   {
2801     EL_PLAYER_1,
2802     EL_PLAYER_2,
2803     EL_PLAYER_3,
2804     EL_PLAYER_4,
2805     EL_SP_MURPHY,
2806     EL_SOKOBAN_FIELD_PLAYER,
2807     EL_TRIGGER_PLAYER,
2808
2809     -1
2810   };
2811
2812   static int ep_can_pass_magic_wall[] =
2813   {
2814     EL_ROCK,
2815     EL_BD_ROCK,
2816     EL_EMERALD,
2817     EL_BD_DIAMOND,
2818     EL_EMERALD_YELLOW,
2819     EL_EMERALD_RED,
2820     EL_EMERALD_PURPLE,
2821     EL_DIAMOND,
2822
2823     -1
2824   };
2825
2826   static int ep_switchable[] =
2827   {
2828     EL_ROBOT_WHEEL,
2829     EL_SP_TERMINAL,
2830     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2831     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2832     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2833     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2834     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2835     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2836     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2837     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2838     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2839     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2840     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2841     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2842     EL_SWITCHGATE_SWITCH_UP,
2843     EL_SWITCHGATE_SWITCH_DOWN,
2844     EL_DC_SWITCHGATE_SWITCH_UP,
2845     EL_DC_SWITCHGATE_SWITCH_DOWN,
2846     EL_LIGHT_SWITCH,
2847     EL_LIGHT_SWITCH_ACTIVE,
2848     EL_TIMEGATE_SWITCH,
2849     EL_DC_TIMEGATE_SWITCH,
2850     EL_BALLOON_SWITCH_LEFT,
2851     EL_BALLOON_SWITCH_RIGHT,
2852     EL_BALLOON_SWITCH_UP,
2853     EL_BALLOON_SWITCH_DOWN,
2854     EL_BALLOON_SWITCH_ANY,
2855     EL_BALLOON_SWITCH_NONE,
2856     EL_LAMP,
2857     EL_TIME_ORB_FULL,
2858     EL_EMC_MAGIC_BALL_SWITCH,
2859     EL_EMC_MAGIC_BALL_SWITCH_ACTIVE,
2860
2861     -1
2862   };
2863
2864   static int ep_bd_element[] =
2865   {
2866     EL_EMPTY,
2867     EL_SAND,
2868     EL_WALL_SLIPPERY,
2869     EL_BD_WALL,
2870     EL_ROCK,
2871     EL_BD_ROCK,
2872     EL_BD_DIAMOND,
2873     EL_BD_MAGIC_WALL,
2874     EL_EXIT_CLOSED,
2875     EL_EXIT_OPEN,
2876     EL_STEELWALL,
2877     EL_PLAYER_1,
2878     EL_PLAYER_2,
2879     EL_PLAYER_3,
2880     EL_PLAYER_4,
2881     EL_BD_FIREFLY,
2882     EL_BD_FIREFLY_1,
2883     EL_BD_FIREFLY_2,
2884     EL_BD_FIREFLY_3,
2885     EL_BD_FIREFLY_4,
2886     EL_BD_BUTTERFLY,
2887     EL_BD_BUTTERFLY_1,
2888     EL_BD_BUTTERFLY_2,
2889     EL_BD_BUTTERFLY_3,
2890     EL_BD_BUTTERFLY_4,
2891     EL_BD_AMOEBA,
2892     EL_CHAR_QUESTION,
2893     EL_UNKNOWN,
2894
2895     -1
2896   };
2897
2898   static int ep_sp_element[] =
2899   {
2900     /* should always be valid */
2901     EL_EMPTY,
2902
2903     /* standard classic Supaplex elements */
2904     EL_SP_EMPTY,
2905     EL_SP_ZONK,
2906     EL_SP_BASE,
2907     EL_SP_MURPHY,
2908     EL_SP_INFOTRON,
2909     EL_SP_CHIP_SINGLE,
2910     EL_SP_HARDWARE_GRAY,
2911     EL_SP_EXIT_CLOSED,
2912     EL_SP_EXIT_OPEN,
2913     EL_SP_DISK_ORANGE,
2914     EL_SP_PORT_RIGHT,
2915     EL_SP_PORT_DOWN,
2916     EL_SP_PORT_LEFT,
2917     EL_SP_PORT_UP,
2918     EL_SP_GRAVITY_PORT_RIGHT,
2919     EL_SP_GRAVITY_PORT_DOWN,
2920     EL_SP_GRAVITY_PORT_LEFT,
2921     EL_SP_GRAVITY_PORT_UP,
2922     EL_SP_SNIKSNAK,
2923     EL_SP_DISK_YELLOW,
2924     EL_SP_TERMINAL,
2925     EL_SP_DISK_RED,
2926     EL_SP_PORT_VERTICAL,
2927     EL_SP_PORT_HORIZONTAL,
2928     EL_SP_PORT_ANY,
2929     EL_SP_ELECTRON,
2930     EL_SP_BUGGY_BASE,
2931     EL_SP_CHIP_LEFT,
2932     EL_SP_CHIP_RIGHT,
2933     EL_SP_HARDWARE_BASE_1,
2934     EL_SP_HARDWARE_GREEN,
2935     EL_SP_HARDWARE_BLUE,
2936     EL_SP_HARDWARE_RED,
2937     EL_SP_HARDWARE_YELLOW,
2938     EL_SP_HARDWARE_BASE_2,
2939     EL_SP_HARDWARE_BASE_3,
2940     EL_SP_HARDWARE_BASE_4,
2941     EL_SP_HARDWARE_BASE_5,
2942     EL_SP_HARDWARE_BASE_6,
2943     EL_SP_CHIP_TOP,
2944     EL_SP_CHIP_BOTTOM,
2945
2946     /* additional elements that appeared in newer Supaplex levels */
2947     EL_INVISIBLE_WALL,
2948
2949     /* additional gravity port elements (not switching, but setting gravity) */
2950     EL_SP_GRAVITY_ON_PORT_LEFT,
2951     EL_SP_GRAVITY_ON_PORT_RIGHT,
2952     EL_SP_GRAVITY_ON_PORT_UP,
2953     EL_SP_GRAVITY_ON_PORT_DOWN,
2954     EL_SP_GRAVITY_OFF_PORT_LEFT,
2955     EL_SP_GRAVITY_OFF_PORT_RIGHT,
2956     EL_SP_GRAVITY_OFF_PORT_UP,
2957     EL_SP_GRAVITY_OFF_PORT_DOWN,
2958
2959     /* more than one Murphy in a level results in an inactive clone */
2960     EL_SP_MURPHY_CLONE,
2961
2962     /* runtime Supaplex elements */
2963     EL_SP_DISK_RED_ACTIVE,
2964     EL_SP_TERMINAL_ACTIVE,
2965     EL_SP_BUGGY_BASE_ACTIVATING,
2966     EL_SP_BUGGY_BASE_ACTIVE,
2967     EL_SP_EXIT_OPENING,
2968     EL_SP_EXIT_CLOSING,
2969
2970     -1
2971   };
2972
2973   static int ep_sb_element[] =
2974   {
2975     EL_EMPTY,
2976     EL_STEELWALL,
2977     EL_SOKOBAN_OBJECT,
2978     EL_SOKOBAN_FIELD_EMPTY,
2979     EL_SOKOBAN_FIELD_FULL,
2980     EL_SOKOBAN_FIELD_PLAYER,
2981     EL_PLAYER_1,
2982     EL_PLAYER_2,
2983     EL_PLAYER_3,
2984     EL_PLAYER_4,
2985     EL_INVISIBLE_STEELWALL,
2986
2987     -1
2988   };
2989
2990   static int ep_gem[] =
2991   {
2992     EL_BD_DIAMOND,
2993     EL_EMERALD,
2994     EL_EMERALD_YELLOW,
2995     EL_EMERALD_RED,
2996     EL_EMERALD_PURPLE,
2997     EL_DIAMOND,
2998
2999     -1
3000   };
3001
3002   static int ep_food_dark_yamyam[] =
3003   {
3004     EL_SAND,
3005     EL_BUG,
3006     EL_SPACESHIP,
3007     EL_BD_BUTTERFLY,
3008     EL_BD_FIREFLY,
3009     EL_YAMYAM,
3010     EL_ROBOT,
3011     EL_PACMAN,
3012     EL_AMOEBA_DROP,
3013     EL_AMOEBA_DEAD,
3014     EL_AMOEBA_WET,
3015     EL_AMOEBA_DRY,
3016     EL_AMOEBA_FULL,
3017     EL_BD_AMOEBA,
3018     EL_EMERALD,
3019     EL_BD_DIAMOND,
3020     EL_EMERALD_YELLOW,
3021     EL_EMERALD_RED,
3022     EL_EMERALD_PURPLE,
3023     EL_DIAMOND,
3024     EL_PEARL,
3025     EL_CRYSTAL,
3026
3027     -1
3028   };
3029
3030   static int ep_food_penguin[] =
3031   {
3032     EL_EMERALD,
3033     EL_BD_DIAMOND,
3034     EL_EMERALD_YELLOW,
3035     EL_EMERALD_RED,
3036     EL_EMERALD_PURPLE,
3037     EL_DIAMOND,
3038     EL_PEARL,
3039     EL_CRYSTAL,
3040
3041     -1
3042   };
3043
3044   static int ep_food_pig[] =
3045   {
3046     EL_EMERALD,
3047     EL_BD_DIAMOND,
3048     EL_EMERALD_YELLOW,
3049     EL_EMERALD_RED,
3050     EL_EMERALD_PURPLE,
3051     EL_DIAMOND,
3052
3053     -1
3054   };
3055
3056   static int ep_historic_wall[] =
3057   {
3058     EL_STEELWALL,
3059     EL_GATE_1,
3060     EL_GATE_2,
3061     EL_GATE_3,
3062     EL_GATE_4,
3063     EL_GATE_1_GRAY,
3064     EL_GATE_2_GRAY,
3065     EL_GATE_3_GRAY,
3066     EL_GATE_4_GRAY,
3067     EL_GATE_1_GRAY_ACTIVE,
3068     EL_GATE_2_GRAY_ACTIVE,
3069     EL_GATE_3_GRAY_ACTIVE,
3070     EL_GATE_4_GRAY_ACTIVE,
3071     EL_EM_GATE_1,
3072     EL_EM_GATE_2,
3073     EL_EM_GATE_3,
3074     EL_EM_GATE_4,
3075     EL_EM_GATE_1_GRAY,
3076     EL_EM_GATE_2_GRAY,
3077     EL_EM_GATE_3_GRAY,
3078     EL_EM_GATE_4_GRAY,
3079     EL_EM_GATE_1_GRAY_ACTIVE,
3080     EL_EM_GATE_2_GRAY_ACTIVE,
3081     EL_EM_GATE_3_GRAY_ACTIVE,
3082     EL_EM_GATE_4_GRAY_ACTIVE,
3083     EL_EXIT_CLOSED,
3084     EL_EXIT_OPENING,
3085     EL_EXIT_OPEN,
3086     EL_WALL,
3087     EL_WALL_SLIPPERY,
3088     EL_EXPANDABLE_WALL,
3089     EL_EXPANDABLE_WALL_HORIZONTAL,
3090     EL_EXPANDABLE_WALL_VERTICAL,
3091     EL_EXPANDABLE_WALL_ANY,
3092     EL_EXPANDABLE_WALL_GROWING,
3093     EL_BD_EXPANDABLE_WALL,
3094     EL_BD_WALL,
3095     EL_SP_CHIP_SINGLE,
3096     EL_SP_CHIP_LEFT,
3097     EL_SP_CHIP_RIGHT,
3098     EL_SP_CHIP_TOP,
3099     EL_SP_CHIP_BOTTOM,
3100     EL_SP_HARDWARE_GRAY,
3101     EL_SP_HARDWARE_GREEN,
3102     EL_SP_HARDWARE_BLUE,
3103     EL_SP_HARDWARE_RED,
3104     EL_SP_HARDWARE_YELLOW,
3105     EL_SP_HARDWARE_BASE_1,
3106     EL_SP_HARDWARE_BASE_2,
3107     EL_SP_HARDWARE_BASE_3,
3108     EL_SP_HARDWARE_BASE_4,
3109     EL_SP_HARDWARE_BASE_5,
3110     EL_SP_HARDWARE_BASE_6,
3111     EL_SP_TERMINAL,
3112     EL_SP_TERMINAL_ACTIVE,
3113     EL_SP_EXIT_CLOSED,
3114     EL_SP_EXIT_OPEN,
3115     EL_INVISIBLE_STEELWALL,
3116     EL_INVISIBLE_STEELWALL_ACTIVE,
3117     EL_INVISIBLE_WALL,
3118     EL_INVISIBLE_WALL_ACTIVE,
3119     EL_STEELWALL_SLIPPERY,
3120     EL_EMC_STEELWALL_1,
3121     EL_EMC_STEELWALL_2,
3122     EL_EMC_STEELWALL_3,
3123     EL_EMC_STEELWALL_4,
3124     EL_EMC_WALL_1,
3125     EL_EMC_WALL_2,
3126     EL_EMC_WALL_3,
3127     EL_EMC_WALL_4,
3128     EL_EMC_WALL_5,
3129     EL_EMC_WALL_6,
3130     EL_EMC_WALL_7,
3131     EL_EMC_WALL_8,
3132
3133     -1
3134   };
3135
3136   static int ep_historic_solid[] =
3137   {
3138     EL_WALL,
3139     EL_EXPANDABLE_WALL,
3140     EL_EXPANDABLE_WALL_HORIZONTAL,
3141     EL_EXPANDABLE_WALL_VERTICAL,
3142     EL_EXPANDABLE_WALL_ANY,
3143     EL_BD_EXPANDABLE_WALL,
3144     EL_BD_WALL,
3145     EL_WALL_SLIPPERY,
3146     EL_EXIT_CLOSED,
3147     EL_EXIT_OPENING,
3148     EL_EXIT_OPEN,
3149     EL_AMOEBA_DEAD,
3150     EL_AMOEBA_WET,
3151     EL_AMOEBA_DRY,
3152     EL_AMOEBA_FULL,
3153     EL_BD_AMOEBA,
3154     EL_QUICKSAND_EMPTY,
3155     EL_QUICKSAND_FULL,
3156     EL_QUICKSAND_FILLING,
3157     EL_QUICKSAND_EMPTYING,
3158     EL_MAGIC_WALL,
3159     EL_MAGIC_WALL_ACTIVE,
3160     EL_MAGIC_WALL_EMPTYING,
3161     EL_MAGIC_WALL_FILLING,
3162     EL_MAGIC_WALL_FULL,
3163     EL_MAGIC_WALL_DEAD,
3164     EL_BD_MAGIC_WALL,
3165     EL_BD_MAGIC_WALL_ACTIVE,
3166     EL_BD_MAGIC_WALL_EMPTYING,
3167     EL_BD_MAGIC_WALL_FULL,
3168     EL_BD_MAGIC_WALL_FILLING,
3169     EL_BD_MAGIC_WALL_DEAD,
3170     EL_GAME_OF_LIFE,
3171     EL_BIOMAZE,
3172     EL_SP_CHIP_SINGLE,
3173     EL_SP_CHIP_LEFT,
3174     EL_SP_CHIP_RIGHT,
3175     EL_SP_CHIP_TOP,
3176     EL_SP_CHIP_BOTTOM,
3177     EL_SP_TERMINAL,
3178     EL_SP_TERMINAL_ACTIVE,
3179     EL_SP_EXIT_CLOSED,
3180     EL_SP_EXIT_OPEN,
3181     EL_INVISIBLE_WALL,
3182     EL_INVISIBLE_WALL_ACTIVE,
3183     EL_SWITCHGATE_SWITCH_UP,
3184     EL_SWITCHGATE_SWITCH_DOWN,
3185     EL_DC_SWITCHGATE_SWITCH_UP,
3186     EL_DC_SWITCHGATE_SWITCH_DOWN,
3187     EL_TIMEGATE_SWITCH,
3188     EL_TIMEGATE_SWITCH_ACTIVE,
3189     EL_DC_TIMEGATE_SWITCH,
3190     EL_DC_TIMEGATE_SWITCH_ACTIVE,
3191     EL_EMC_WALL_1,
3192     EL_EMC_WALL_2,
3193     EL_EMC_WALL_3,
3194     EL_EMC_WALL_4,
3195     EL_EMC_WALL_5,
3196     EL_EMC_WALL_6,
3197     EL_EMC_WALL_7,
3198     EL_EMC_WALL_8,
3199     EL_WALL_PEARL,
3200     EL_WALL_CRYSTAL,
3201
3202     /* the following elements are a direct copy of "indestructible" elements,
3203        except "EL_ACID", which is "indestructible", but not "solid"! */
3204 #if 0
3205     EL_ACID,
3206 #endif
3207     EL_STEELWALL,
3208     EL_ACID_POOL_TOPLEFT,
3209     EL_ACID_POOL_TOPRIGHT,
3210     EL_ACID_POOL_BOTTOMLEFT,
3211     EL_ACID_POOL_BOTTOM,
3212     EL_ACID_POOL_BOTTOMRIGHT,
3213     EL_SP_HARDWARE_GRAY,
3214     EL_SP_HARDWARE_GREEN,
3215     EL_SP_HARDWARE_BLUE,
3216     EL_SP_HARDWARE_RED,
3217     EL_SP_HARDWARE_YELLOW,
3218     EL_SP_HARDWARE_BASE_1,
3219     EL_SP_HARDWARE_BASE_2,
3220     EL_SP_HARDWARE_BASE_3,
3221     EL_SP_HARDWARE_BASE_4,
3222     EL_SP_HARDWARE_BASE_5,
3223     EL_SP_HARDWARE_BASE_6,
3224     EL_INVISIBLE_STEELWALL,
3225     EL_INVISIBLE_STEELWALL_ACTIVE,
3226     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3227     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3228     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3229     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3230     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3231     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3232     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3233     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3234     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3235     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3236     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3237     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3238     EL_LIGHT_SWITCH,
3239     EL_LIGHT_SWITCH_ACTIVE,
3240     EL_SIGN_EXCLAMATION,
3241     EL_SIGN_RADIOACTIVITY,
3242     EL_SIGN_STOP,
3243     EL_SIGN_WHEELCHAIR,
3244     EL_SIGN_PARKING,
3245     EL_SIGN_NO_ENTRY,
3246     EL_SIGN_UNUSED_1,
3247     EL_SIGN_GIVE_WAY,
3248     EL_SIGN_ENTRY_FORBIDDEN,
3249     EL_SIGN_EMERGENCY_EXIT,
3250     EL_SIGN_YIN_YANG,
3251     EL_SIGN_UNUSED_2,
3252     EL_SIGN_SPERMS,
3253     EL_SIGN_BULLET,
3254     EL_SIGN_HEART,
3255     EL_SIGN_CROSS,
3256     EL_SIGN_FRANKIE,
3257     EL_STEEL_EXIT_CLOSED,
3258     EL_STEEL_EXIT_OPEN,
3259     EL_DC_STEELWALL_1_LEFT,
3260     EL_DC_STEELWALL_1_RIGHT,
3261     EL_DC_STEELWALL_1_TOP,
3262     EL_DC_STEELWALL_1_BOTTOM,
3263     EL_DC_STEELWALL_1_HORIZONTAL,
3264     EL_DC_STEELWALL_1_VERTICAL,
3265     EL_DC_STEELWALL_1_TOPLEFT,
3266     EL_DC_STEELWALL_1_TOPRIGHT,
3267     EL_DC_STEELWALL_1_BOTTOMLEFT,
3268     EL_DC_STEELWALL_1_BOTTOMRIGHT,
3269     EL_DC_STEELWALL_1_TOPLEFT_2,
3270     EL_DC_STEELWALL_1_TOPRIGHT_2,
3271     EL_DC_STEELWALL_1_BOTTOMLEFT_2,
3272     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
3273     EL_DC_STEELWALL_2_LEFT,
3274     EL_DC_STEELWALL_2_RIGHT,
3275     EL_DC_STEELWALL_2_TOP,
3276     EL_DC_STEELWALL_2_BOTTOM,
3277     EL_DC_STEELWALL_2_HORIZONTAL,
3278     EL_DC_STEELWALL_2_VERTICAL,
3279     EL_DC_STEELWALL_2_MIDDLE,
3280     EL_DC_STEELWALL_2_SINGLE,
3281     EL_STEELWALL_SLIPPERY,
3282     EL_EMC_STEELWALL_1,
3283     EL_EMC_STEELWALL_2,
3284     EL_EMC_STEELWALL_3,
3285     EL_EMC_STEELWALL_4,
3286     EL_CRYSTAL,
3287     EL_GATE_1,
3288     EL_GATE_2,
3289     EL_GATE_3,
3290     EL_GATE_4,
3291     EL_GATE_1_GRAY,
3292     EL_GATE_2_GRAY,
3293     EL_GATE_3_GRAY,
3294     EL_GATE_4_GRAY,
3295     EL_GATE_1_GRAY_ACTIVE,
3296     EL_GATE_2_GRAY_ACTIVE,
3297     EL_GATE_3_GRAY_ACTIVE,
3298     EL_GATE_4_GRAY_ACTIVE,
3299     EL_EM_GATE_1,
3300     EL_EM_GATE_2,
3301     EL_EM_GATE_3,
3302     EL_EM_GATE_4,
3303     EL_EM_GATE_1_GRAY,
3304     EL_EM_GATE_2_GRAY,
3305     EL_EM_GATE_3_GRAY,
3306     EL_EM_GATE_4_GRAY,
3307     EL_EM_GATE_1_GRAY_ACTIVE,
3308     EL_EM_GATE_2_GRAY_ACTIVE,
3309     EL_EM_GATE_3_GRAY_ACTIVE,
3310     EL_EM_GATE_4_GRAY_ACTIVE,
3311     EL_SWITCHGATE_OPEN,
3312     EL_SWITCHGATE_OPENING,
3313     EL_SWITCHGATE_CLOSED,
3314     EL_SWITCHGATE_CLOSING,
3315     EL_TIMEGATE_OPEN,
3316     EL_TIMEGATE_OPENING,
3317     EL_TIMEGATE_CLOSED,
3318     EL_TIMEGATE_CLOSING,
3319     EL_TUBE_ANY,
3320     EL_TUBE_VERTICAL,
3321     EL_TUBE_HORIZONTAL,
3322     EL_TUBE_VERTICAL_LEFT,
3323     EL_TUBE_VERTICAL_RIGHT,
3324     EL_TUBE_HORIZONTAL_UP,
3325     EL_TUBE_HORIZONTAL_DOWN,
3326     EL_TUBE_LEFT_UP,
3327     EL_TUBE_LEFT_DOWN,
3328     EL_TUBE_RIGHT_UP,
3329     EL_TUBE_RIGHT_DOWN,
3330
3331     -1
3332   };
3333
3334   static int ep_classic_enemy[] =
3335   {
3336     EL_BUG,
3337     EL_SPACESHIP,
3338     EL_BD_BUTTERFLY,
3339     EL_BD_FIREFLY,
3340
3341     EL_YAMYAM,
3342     EL_DARK_YAMYAM,
3343     EL_ROBOT,
3344     EL_PACMAN,
3345     EL_SP_SNIKSNAK,
3346     EL_SP_ELECTRON,
3347
3348     -1
3349   };
3350
3351   static int ep_belt[] =
3352   {
3353     EL_CONVEYOR_BELT_1_LEFT,
3354     EL_CONVEYOR_BELT_1_MIDDLE,
3355     EL_CONVEYOR_BELT_1_RIGHT,
3356     EL_CONVEYOR_BELT_2_LEFT,
3357     EL_CONVEYOR_BELT_2_MIDDLE,
3358     EL_CONVEYOR_BELT_2_RIGHT,
3359     EL_CONVEYOR_BELT_3_LEFT,
3360     EL_CONVEYOR_BELT_3_MIDDLE,
3361     EL_CONVEYOR_BELT_3_RIGHT,
3362     EL_CONVEYOR_BELT_4_LEFT,
3363     EL_CONVEYOR_BELT_4_MIDDLE,
3364     EL_CONVEYOR_BELT_4_RIGHT,
3365
3366     -1
3367   };
3368
3369   static int ep_belt_active[] =
3370   {
3371     EL_CONVEYOR_BELT_1_LEFT_ACTIVE,
3372     EL_CONVEYOR_BELT_1_MIDDLE_ACTIVE,
3373     EL_CONVEYOR_BELT_1_RIGHT_ACTIVE,
3374     EL_CONVEYOR_BELT_2_LEFT_ACTIVE,
3375     EL_CONVEYOR_BELT_2_MIDDLE_ACTIVE,
3376     EL_CONVEYOR_BELT_2_RIGHT_ACTIVE,
3377     EL_CONVEYOR_BELT_3_LEFT_ACTIVE,
3378     EL_CONVEYOR_BELT_3_MIDDLE_ACTIVE,
3379     EL_CONVEYOR_BELT_3_RIGHT_ACTIVE,
3380     EL_CONVEYOR_BELT_4_LEFT_ACTIVE,
3381     EL_CONVEYOR_BELT_4_MIDDLE_ACTIVE,
3382     EL_CONVEYOR_BELT_4_RIGHT_ACTIVE,
3383
3384     -1
3385   };
3386
3387   static int ep_belt_switch[] =
3388   {
3389     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3390     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3391     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3392     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3393     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3394     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3395     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3396     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3397     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3398     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3399     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3400     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3401
3402     -1
3403   };
3404
3405   static int ep_tube[] =
3406   {
3407     EL_TUBE_LEFT_UP,
3408     EL_TUBE_LEFT_DOWN,
3409     EL_TUBE_RIGHT_UP,
3410     EL_TUBE_RIGHT_DOWN,
3411     EL_TUBE_HORIZONTAL,
3412     EL_TUBE_HORIZONTAL_UP,
3413     EL_TUBE_HORIZONTAL_DOWN,
3414     EL_TUBE_VERTICAL,
3415     EL_TUBE_VERTICAL_LEFT,
3416     EL_TUBE_VERTICAL_RIGHT,
3417     EL_TUBE_ANY,
3418
3419     -1
3420   };
3421
3422   static int ep_keygate[] =
3423   {
3424     EL_GATE_1,
3425     EL_GATE_2,
3426     EL_GATE_3,
3427     EL_GATE_4,
3428     EL_GATE_1_GRAY,
3429     EL_GATE_2_GRAY,
3430     EL_GATE_3_GRAY,
3431     EL_GATE_4_GRAY,
3432     EL_GATE_1_GRAY_ACTIVE,
3433     EL_GATE_2_GRAY_ACTIVE,
3434     EL_GATE_3_GRAY_ACTIVE,
3435     EL_GATE_4_GRAY_ACTIVE,
3436     EL_EM_GATE_1,
3437     EL_EM_GATE_2,
3438     EL_EM_GATE_3,
3439     EL_EM_GATE_4,
3440     EL_EM_GATE_1_GRAY,
3441     EL_EM_GATE_2_GRAY,
3442     EL_EM_GATE_3_GRAY,
3443     EL_EM_GATE_4_GRAY,
3444     EL_EM_GATE_1_GRAY_ACTIVE,
3445     EL_EM_GATE_2_GRAY_ACTIVE,
3446     EL_EM_GATE_3_GRAY_ACTIVE,
3447     EL_EM_GATE_4_GRAY_ACTIVE,
3448     EL_EMC_GATE_5,
3449     EL_EMC_GATE_6,
3450     EL_EMC_GATE_7,
3451     EL_EMC_GATE_8,
3452     EL_EMC_GATE_5_GRAY,
3453     EL_EMC_GATE_6_GRAY,
3454     EL_EMC_GATE_7_GRAY,
3455     EL_EMC_GATE_8_GRAY,
3456     EL_EMC_GATE_5_GRAY_ACTIVE,
3457     EL_EMC_GATE_6_GRAY_ACTIVE,
3458     EL_EMC_GATE_7_GRAY_ACTIVE,
3459     EL_EMC_GATE_8_GRAY_ACTIVE,
3460
3461     -1
3462   };
3463
3464   static int ep_amoeboid[] =
3465   {
3466     EL_AMOEBA_DEAD,
3467     EL_AMOEBA_WET,
3468     EL_AMOEBA_DRY,
3469     EL_AMOEBA_FULL,
3470     EL_BD_AMOEBA,
3471     EL_EMC_DRIPPER,
3472
3473     -1
3474   };
3475
3476   static int ep_amoebalive[] =
3477   {
3478     EL_AMOEBA_WET,
3479     EL_AMOEBA_DRY,
3480     EL_AMOEBA_FULL,
3481     EL_BD_AMOEBA,
3482     EL_EMC_DRIPPER,
3483
3484     -1
3485   };
3486
3487   static int ep_has_editor_content[] =
3488   {
3489     EL_PLAYER_1,
3490     EL_PLAYER_2,
3491     EL_PLAYER_3,
3492     EL_PLAYER_4,
3493     EL_SP_MURPHY,
3494     EL_YAMYAM,
3495     EL_YAMYAM_LEFT,
3496     EL_YAMYAM_RIGHT,
3497     EL_YAMYAM_UP,
3498     EL_YAMYAM_DOWN,
3499     EL_AMOEBA_WET,
3500     EL_AMOEBA_DRY,
3501     EL_AMOEBA_FULL,
3502     EL_BD_AMOEBA,
3503     EL_EMC_MAGIC_BALL,
3504     EL_EMC_ANDROID,
3505
3506     -1
3507   };
3508
3509   static int ep_can_turn_each_move[] =
3510   {
3511     /* !!! do something with this one !!! */
3512     -1
3513   };
3514
3515   static int ep_can_grow[] =
3516   {
3517     EL_BD_AMOEBA,
3518     EL_AMOEBA_DROP,
3519     EL_AMOEBA_WET,
3520     EL_AMOEBA_DRY,
3521     EL_AMOEBA_FULL,
3522     EL_GAME_OF_LIFE,
3523     EL_BIOMAZE,
3524     EL_EMC_DRIPPER,
3525
3526     -1
3527   };
3528
3529   static int ep_active_bomb[] =
3530   {
3531     EL_DYNAMITE_ACTIVE,
3532     EL_EM_DYNAMITE_ACTIVE,
3533     EL_DYNABOMB_PLAYER_1_ACTIVE,
3534     EL_DYNABOMB_PLAYER_2_ACTIVE,
3535     EL_DYNABOMB_PLAYER_3_ACTIVE,
3536     EL_DYNABOMB_PLAYER_4_ACTIVE,
3537     EL_SP_DISK_RED_ACTIVE,
3538
3539     -1
3540   };
3541
3542   static int ep_inactive[] =
3543   {
3544     EL_EMPTY,
3545     EL_SAND,
3546     EL_WALL,
3547     EL_BD_WALL,
3548     EL_WALL_SLIPPERY,
3549     EL_STEELWALL,
3550     EL_AMOEBA_DEAD,
3551     EL_QUICKSAND_EMPTY,
3552     EL_STONEBLOCK,
3553     EL_ROBOT_WHEEL,
3554     EL_KEY_1,
3555     EL_KEY_2,
3556     EL_KEY_3,
3557     EL_KEY_4,
3558     EL_EM_KEY_1,
3559     EL_EM_KEY_2,
3560     EL_EM_KEY_3,
3561     EL_EM_KEY_4,
3562     EL_EMC_KEY_5,
3563     EL_EMC_KEY_6,
3564     EL_EMC_KEY_7,
3565     EL_EMC_KEY_8,
3566     EL_GATE_1,
3567     EL_GATE_2,
3568     EL_GATE_3,
3569     EL_GATE_4,
3570     EL_GATE_1_GRAY,
3571     EL_GATE_2_GRAY,
3572     EL_GATE_3_GRAY,
3573     EL_GATE_4_GRAY,
3574     EL_GATE_1_GRAY_ACTIVE,
3575     EL_GATE_2_GRAY_ACTIVE,
3576     EL_GATE_3_GRAY_ACTIVE,
3577     EL_GATE_4_GRAY_ACTIVE,
3578     EL_EM_GATE_1,
3579     EL_EM_GATE_2,
3580     EL_EM_GATE_3,
3581     EL_EM_GATE_4,
3582     EL_EM_GATE_1_GRAY,
3583     EL_EM_GATE_2_GRAY,
3584     EL_EM_GATE_3_GRAY,
3585     EL_EM_GATE_4_GRAY,
3586     EL_EM_GATE_1_GRAY_ACTIVE,
3587     EL_EM_GATE_2_GRAY_ACTIVE,
3588     EL_EM_GATE_3_GRAY_ACTIVE,
3589     EL_EM_GATE_4_GRAY_ACTIVE,
3590     EL_EMC_GATE_5,
3591     EL_EMC_GATE_6,
3592     EL_EMC_GATE_7,
3593     EL_EMC_GATE_8,
3594     EL_EMC_GATE_5_GRAY,
3595     EL_EMC_GATE_6_GRAY,
3596     EL_EMC_GATE_7_GRAY,
3597     EL_EMC_GATE_8_GRAY,
3598     EL_EMC_GATE_5_GRAY_ACTIVE,
3599     EL_EMC_GATE_6_GRAY_ACTIVE,
3600     EL_EMC_GATE_7_GRAY_ACTIVE,
3601     EL_EMC_GATE_8_GRAY_ACTIVE,
3602     EL_DYNAMITE,
3603     EL_EM_DYNAMITE,
3604     EL_INVISIBLE_STEELWALL,
3605     EL_INVISIBLE_WALL,
3606     EL_INVISIBLE_SAND,
3607     EL_LAMP,
3608     EL_LAMP_ACTIVE,
3609     EL_WALL_EMERALD,
3610     EL_WALL_DIAMOND,
3611     EL_WALL_BD_DIAMOND,
3612     EL_WALL_EMERALD_YELLOW,
3613     EL_DYNABOMB_INCREASE_NUMBER,
3614     EL_DYNABOMB_INCREASE_SIZE,
3615     EL_DYNABOMB_INCREASE_POWER,
3616 #if 0
3617     EL_SOKOBAN_OBJECT,
3618 #endif
3619     EL_SOKOBAN_FIELD_EMPTY,
3620     EL_SOKOBAN_FIELD_FULL,
3621     EL_WALL_EMERALD_RED,
3622     EL_WALL_EMERALD_PURPLE,
3623     EL_ACID_POOL_TOPLEFT,
3624     EL_ACID_POOL_TOPRIGHT,
3625     EL_ACID_POOL_BOTTOMLEFT,
3626     EL_ACID_POOL_BOTTOM,
3627     EL_ACID_POOL_BOTTOMRIGHT,
3628     EL_MAGIC_WALL,
3629     EL_MAGIC_WALL_DEAD,
3630     EL_BD_MAGIC_WALL,
3631     EL_BD_MAGIC_WALL_DEAD,
3632     EL_AMOEBA_TO_DIAMOND,
3633     EL_BLOCKED,
3634     EL_SP_EMPTY,
3635     EL_SP_BASE,
3636     EL_SP_PORT_RIGHT,
3637     EL_SP_PORT_DOWN,
3638     EL_SP_PORT_LEFT,
3639     EL_SP_PORT_UP,
3640     EL_SP_GRAVITY_PORT_RIGHT,
3641     EL_SP_GRAVITY_PORT_DOWN,
3642     EL_SP_GRAVITY_PORT_LEFT,
3643     EL_SP_GRAVITY_PORT_UP,
3644     EL_SP_PORT_HORIZONTAL,
3645     EL_SP_PORT_VERTICAL,
3646     EL_SP_PORT_ANY,
3647     EL_SP_DISK_RED,
3648 #if 0
3649     EL_SP_DISK_YELLOW,
3650 #endif
3651     EL_SP_CHIP_SINGLE,
3652     EL_SP_CHIP_LEFT,
3653     EL_SP_CHIP_RIGHT,
3654     EL_SP_CHIP_TOP,
3655     EL_SP_CHIP_BOTTOM,
3656     EL_SP_HARDWARE_GRAY,
3657     EL_SP_HARDWARE_GREEN,
3658     EL_SP_HARDWARE_BLUE,
3659     EL_SP_HARDWARE_RED,
3660     EL_SP_HARDWARE_YELLOW,
3661     EL_SP_HARDWARE_BASE_1,
3662     EL_SP_HARDWARE_BASE_2,
3663     EL_SP_HARDWARE_BASE_3,
3664     EL_SP_HARDWARE_BASE_4,
3665     EL_SP_HARDWARE_BASE_5,
3666     EL_SP_HARDWARE_BASE_6,
3667     EL_SP_GRAVITY_ON_PORT_LEFT,
3668     EL_SP_GRAVITY_ON_PORT_RIGHT,
3669     EL_SP_GRAVITY_ON_PORT_UP,
3670     EL_SP_GRAVITY_ON_PORT_DOWN,
3671     EL_SP_GRAVITY_OFF_PORT_LEFT,
3672     EL_SP_GRAVITY_OFF_PORT_RIGHT,
3673     EL_SP_GRAVITY_OFF_PORT_UP,
3674     EL_SP_GRAVITY_OFF_PORT_DOWN,
3675     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3676     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3677     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3678     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3679     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3680     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3681     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3682     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3683     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3684     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3685     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3686     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3687     EL_SIGN_EXCLAMATION,
3688     EL_SIGN_RADIOACTIVITY,
3689     EL_SIGN_STOP,
3690     EL_SIGN_WHEELCHAIR,
3691     EL_SIGN_PARKING,
3692     EL_SIGN_NO_ENTRY,
3693     EL_SIGN_UNUSED_1,
3694     EL_SIGN_GIVE_WAY,
3695     EL_SIGN_ENTRY_FORBIDDEN,
3696     EL_SIGN_EMERGENCY_EXIT,
3697     EL_SIGN_YIN_YANG,
3698     EL_SIGN_UNUSED_2,
3699     EL_SIGN_SPERMS,
3700     EL_SIGN_BULLET,
3701     EL_SIGN_HEART,
3702     EL_SIGN_CROSS,
3703     EL_SIGN_FRANKIE,
3704     EL_DC_STEELWALL_1_LEFT,
3705     EL_DC_STEELWALL_1_RIGHT,
3706     EL_DC_STEELWALL_1_TOP,
3707     EL_DC_STEELWALL_1_BOTTOM,
3708     EL_DC_STEELWALL_1_HORIZONTAL,
3709     EL_DC_STEELWALL_1_VERTICAL,
3710     EL_DC_STEELWALL_1_TOPLEFT,
3711     EL_DC_STEELWALL_1_TOPRIGHT,
3712     EL_DC_STEELWALL_1_BOTTOMLEFT,
3713     EL_DC_STEELWALL_1_BOTTOMRIGHT,
3714     EL_DC_STEELWALL_1_TOPLEFT_2,
3715     EL_DC_STEELWALL_1_TOPRIGHT_2,
3716     EL_DC_STEELWALL_1_BOTTOMLEFT_2,
3717     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
3718     EL_DC_STEELWALL_2_LEFT,
3719     EL_DC_STEELWALL_2_RIGHT,
3720     EL_DC_STEELWALL_2_TOP,
3721     EL_DC_STEELWALL_2_BOTTOM,
3722     EL_DC_STEELWALL_2_HORIZONTAL,
3723     EL_DC_STEELWALL_2_VERTICAL,
3724     EL_DC_STEELWALL_2_MIDDLE,
3725     EL_DC_STEELWALL_2_SINGLE,
3726     EL_STEELWALL_SLIPPERY,
3727     EL_EMC_STEELWALL_1,
3728     EL_EMC_STEELWALL_2,
3729     EL_EMC_STEELWALL_3,
3730     EL_EMC_STEELWALL_4,
3731     EL_EMC_WALL_SLIPPERY_1,
3732     EL_EMC_WALL_SLIPPERY_2,
3733     EL_EMC_WALL_SLIPPERY_3,
3734     EL_EMC_WALL_SLIPPERY_4,
3735     EL_EMC_WALL_1,
3736     EL_EMC_WALL_2,
3737     EL_EMC_WALL_3,
3738     EL_EMC_WALL_4,
3739     EL_EMC_WALL_5,
3740     EL_EMC_WALL_6,
3741     EL_EMC_WALL_7,
3742     EL_EMC_WALL_8,
3743     EL_EMC_WALL_9,
3744     EL_EMC_WALL_10,
3745     EL_EMC_WALL_11,
3746     EL_EMC_WALL_12,
3747     EL_EMC_WALL_13,
3748     EL_EMC_WALL_14,
3749     EL_EMC_WALL_15,
3750     EL_EMC_WALL_16,
3751
3752     -1
3753   };
3754
3755   static int ep_em_slippery_wall[] =
3756   {
3757     -1
3758   };
3759
3760   static int ep_gfx_crumbled[] =
3761   {
3762     EL_SAND,
3763     EL_LANDMINE,
3764     EL_DC_LANDMINE,
3765     EL_TRAP,
3766     EL_TRAP_ACTIVE,
3767
3768     -1
3769   };
3770
3771   static int ep_editor_cascade_active[] =
3772   {
3773     EL_INTERNAL_CASCADE_BD_ACTIVE,
3774     EL_INTERNAL_CASCADE_EM_ACTIVE,
3775     EL_INTERNAL_CASCADE_EMC_ACTIVE,
3776     EL_INTERNAL_CASCADE_RND_ACTIVE,
3777     EL_INTERNAL_CASCADE_SB_ACTIVE,
3778     EL_INTERNAL_CASCADE_SP_ACTIVE,
3779     EL_INTERNAL_CASCADE_DC_ACTIVE,
3780     EL_INTERNAL_CASCADE_DX_ACTIVE,
3781     EL_INTERNAL_CASCADE_CHARS_ACTIVE,
3782     EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
3783     EL_INTERNAL_CASCADE_CE_ACTIVE,
3784     EL_INTERNAL_CASCADE_GE_ACTIVE,
3785     EL_INTERNAL_CASCADE_REF_ACTIVE,
3786     EL_INTERNAL_CASCADE_USER_ACTIVE,
3787     EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
3788
3789     -1
3790   };
3791
3792   static int ep_editor_cascade_inactive[] =
3793   {
3794     EL_INTERNAL_CASCADE_BD,
3795     EL_INTERNAL_CASCADE_EM,
3796     EL_INTERNAL_CASCADE_EMC,
3797     EL_INTERNAL_CASCADE_RND,
3798     EL_INTERNAL_CASCADE_SB,
3799     EL_INTERNAL_CASCADE_SP,
3800     EL_INTERNAL_CASCADE_DC,
3801     EL_INTERNAL_CASCADE_DX,
3802     EL_INTERNAL_CASCADE_CHARS,
3803     EL_INTERNAL_CASCADE_STEEL_CHARS,
3804     EL_INTERNAL_CASCADE_CE,
3805     EL_INTERNAL_CASCADE_GE,
3806     EL_INTERNAL_CASCADE_REF,
3807     EL_INTERNAL_CASCADE_USER,
3808     EL_INTERNAL_CASCADE_DYNAMIC,
3809
3810     -1
3811   };
3812
3813   static int ep_obsolete[] =
3814   {
3815     EL_PLAYER_OBSOLETE,
3816     EL_KEY_OBSOLETE,
3817     EL_EM_KEY_1_FILE_OBSOLETE,
3818     EL_EM_KEY_2_FILE_OBSOLETE,
3819     EL_EM_KEY_3_FILE_OBSOLETE,
3820     EL_EM_KEY_4_FILE_OBSOLETE,
3821     EL_ENVELOPE_OBSOLETE,
3822
3823     -1
3824   };
3825
3826   static struct
3827   {
3828     int *elements;
3829     int property;
3830   } element_properties[] =
3831   {
3832     { ep_diggable,                      EP_DIGGABLE                     },
3833     { ep_collectible_only,              EP_COLLECTIBLE_ONLY             },
3834     { ep_dont_run_into,                 EP_DONT_RUN_INTO                },
3835     { ep_dont_collide_with,             EP_DONT_COLLIDE_WITH            },
3836     { ep_dont_touch,                    EP_DONT_TOUCH                   },
3837     { ep_indestructible,                EP_INDESTRUCTIBLE               },
3838     { ep_slippery,                      EP_SLIPPERY                     },
3839     { ep_can_change,                    EP_CAN_CHANGE                   },
3840     { ep_can_move,                      EP_CAN_MOVE                     },
3841     { ep_can_fall,                      EP_CAN_FALL                     },
3842     { ep_can_smash_player,              EP_CAN_SMASH_PLAYER             },
3843     { ep_can_smash_enemies,             EP_CAN_SMASH_ENEMIES            },
3844     { ep_can_smash_everything,          EP_CAN_SMASH_EVERYTHING         },
3845     { ep_explodes_by_fire,              EP_EXPLODES_BY_FIRE             },
3846     { ep_explodes_smashed,              EP_EXPLODES_SMASHED             },
3847     { ep_explodes_impact,               EP_EXPLODES_IMPACT              },
3848     { ep_walkable_over,                 EP_WALKABLE_OVER                },
3849     { ep_walkable_inside,               EP_WALKABLE_INSIDE              },
3850     { ep_walkable_under,                EP_WALKABLE_UNDER               },
3851     { ep_passable_over,                 EP_PASSABLE_OVER                },
3852     { ep_passable_inside,               EP_PASSABLE_INSIDE              },
3853     { ep_passable_under,                EP_PASSABLE_UNDER               },
3854     { ep_droppable,                     EP_DROPPABLE                    },
3855     { ep_explodes_1x1_old,              EP_EXPLODES_1X1_OLD             },
3856     { ep_pushable,                      EP_PUSHABLE                     },
3857     { ep_explodes_cross_old,            EP_EXPLODES_CROSS_OLD           },
3858     { ep_protected,                     EP_PROTECTED                    },
3859     { ep_throwable,                     EP_THROWABLE                    },
3860     { ep_can_explode,                   EP_CAN_EXPLODE                  },
3861     { ep_gravity_reachable,             EP_GRAVITY_REACHABLE            },
3862
3863     { ep_player,                        EP_PLAYER                       },
3864     { ep_can_pass_magic_wall,           EP_CAN_PASS_MAGIC_WALL          },
3865     { ep_switchable,                    EP_SWITCHABLE                   },
3866     { ep_bd_element,                    EP_BD_ELEMENT                   },
3867     { ep_sp_element,                    EP_SP_ELEMENT                   },
3868     { ep_sb_element,                    EP_SB_ELEMENT                   },
3869     { ep_gem,                           EP_GEM                          },
3870     { ep_food_dark_yamyam,              EP_FOOD_DARK_YAMYAM             },
3871     { ep_food_penguin,                  EP_FOOD_PENGUIN                 },
3872     { ep_food_pig,                      EP_FOOD_PIG                     },
3873     { ep_historic_wall,                 EP_HISTORIC_WALL                },
3874     { ep_historic_solid,                EP_HISTORIC_SOLID               },
3875     { ep_classic_enemy,                 EP_CLASSIC_ENEMY                },
3876     { ep_belt,                          EP_BELT                         },
3877     { ep_belt_active,                   EP_BELT_ACTIVE                  },
3878     { ep_belt_switch,                   EP_BELT_SWITCH                  },
3879     { ep_tube,                          EP_TUBE                         },
3880     { ep_keygate,                       EP_KEYGATE                      },
3881     { ep_amoeboid,                      EP_AMOEBOID                     },
3882     { ep_amoebalive,                    EP_AMOEBALIVE                   },
3883     { ep_has_editor_content,            EP_HAS_EDITOR_CONTENT           },
3884     { ep_can_turn_each_move,            EP_CAN_TURN_EACH_MOVE           },
3885     { ep_can_grow,                      EP_CAN_GROW                     },
3886     { ep_active_bomb,                   EP_ACTIVE_BOMB                  },
3887     { ep_inactive,                      EP_INACTIVE                     },
3888
3889     { ep_em_slippery_wall,              EP_EM_SLIPPERY_WALL             },
3890
3891     { ep_gfx_crumbled,                  EP_GFX_CRUMBLED                 },
3892
3893     { ep_editor_cascade_active,         EP_EDITOR_CASCADE_ACTIVE        },
3894     { ep_editor_cascade_inactive,       EP_EDITOR_CASCADE_INACTIVE      },
3895
3896     { ep_obsolete,                      EP_OBSOLETE                     },
3897
3898     { NULL,                             -1                              }
3899   };
3900
3901   int i, j, k;
3902
3903   /* always start with reliable default values (element has no properties) */
3904   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
3905     for (j = 0; j < NUM_ELEMENT_PROPERTIES; j++)
3906       SET_PROPERTY(i, j, FALSE);
3907
3908   /* set all base element properties from above array definitions */
3909   for (i = 0; element_properties[i].elements != NULL; i++)
3910     for (j = 0; (element_properties[i].elements)[j] != -1; j++)
3911       SET_PROPERTY((element_properties[i].elements)[j],
3912                    element_properties[i].property, TRUE);
3913
3914   /* copy properties to some elements that are only stored in level file */
3915   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
3916     for (j = 0; copy_properties[j][0] != -1; j++)
3917       if (HAS_PROPERTY(copy_properties[j][0], i))
3918         for (k = 1; k <= 4; k++)
3919           SET_PROPERTY(copy_properties[j][k], i, TRUE);
3920
3921   /* set static element properties that are not listed in array definitions */
3922   for (i = EL_STEEL_CHAR_START; i <= EL_STEEL_CHAR_END; i++)
3923     SET_PROPERTY(i, EP_INDESTRUCTIBLE, TRUE);
3924 }
3925
3926 void InitElementPropertiesEngine(int engine_version)
3927 {
3928   static int no_wall_properties[] =
3929   {
3930     EP_DIGGABLE,
3931     EP_COLLECTIBLE_ONLY,
3932     EP_DONT_RUN_INTO,
3933     EP_DONT_COLLIDE_WITH,
3934     EP_CAN_MOVE,
3935     EP_CAN_FALL,
3936     EP_CAN_SMASH_PLAYER,
3937     EP_CAN_SMASH_ENEMIES,
3938     EP_CAN_SMASH_EVERYTHING,
3939     EP_PUSHABLE,
3940
3941     EP_PLAYER,
3942     EP_GEM,
3943     EP_FOOD_DARK_YAMYAM,
3944     EP_FOOD_PENGUIN,
3945     EP_BELT,
3946     EP_BELT_ACTIVE,
3947     EP_TUBE,
3948     EP_AMOEBOID,
3949     EP_AMOEBALIVE,
3950     EP_ACTIVE_BOMB,
3951
3952     EP_ACCESSIBLE,
3953
3954     -1
3955   };
3956
3957   int i, j;
3958
3959   /* important: after initialization in InitElementPropertiesStatic(), the
3960      elements are not again initialized to a default value; therefore all
3961      changes have to make sure that they leave the element with a defined
3962      property (which means that conditional property changes must be set to
3963      a reliable default value before) */
3964
3965   /* ---------- recursively resolve group elements ------------------------- */
3966
3967   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
3968     for (j = 0; j < NUM_GROUP_ELEMENTS; j++)
3969       element_info[i].in_group[j] = FALSE;
3970
3971   for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
3972     resolve_group_element(EL_GROUP_START + i, 0);
3973
3974   /* set all special, combined or engine dependent element properties */
3975   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
3976   {
3977     /* ---------- INACTIVE ------------------------------------------------- */
3978     SET_PROPERTY(i, EP_INACTIVE, ((i >= EL_CHAR_START &&
3979                                    i <= EL_CHAR_END) ||
3980                                   (i >= EL_STEEL_CHAR_START &&
3981                                    i <= EL_STEEL_CHAR_END)));
3982
3983     /* ---------- WALKABLE, PASSABLE, ACCESSIBLE --------------------------- */
3984     SET_PROPERTY(i, EP_WALKABLE, (IS_WALKABLE_OVER(i) ||
3985                                   IS_WALKABLE_INSIDE(i) ||
3986                                   IS_WALKABLE_UNDER(i)));
3987
3988     SET_PROPERTY(i, EP_PASSABLE, (IS_PASSABLE_OVER(i) ||
3989                                   IS_PASSABLE_INSIDE(i) ||
3990                                   IS_PASSABLE_UNDER(i)));
3991
3992     SET_PROPERTY(i, EP_ACCESSIBLE_OVER, (IS_WALKABLE_OVER(i) ||
3993                                          IS_PASSABLE_OVER(i)));
3994
3995     SET_PROPERTY(i, EP_ACCESSIBLE_INSIDE, (IS_WALKABLE_INSIDE(i) ||
3996                                            IS_PASSABLE_INSIDE(i)));
3997
3998     SET_PROPERTY(i, EP_ACCESSIBLE_UNDER, (IS_WALKABLE_UNDER(i) ||
3999                                           IS_PASSABLE_UNDER(i)));
4000
4001     SET_PROPERTY(i, EP_ACCESSIBLE, (IS_WALKABLE(i) ||
4002                                     IS_PASSABLE(i)));
4003
4004     /* ---------- COLLECTIBLE ---------------------------------------------- */
4005     SET_PROPERTY(i, EP_COLLECTIBLE, (IS_COLLECTIBLE_ONLY(i) ||
4006                                      IS_DROPPABLE(i) ||
4007                                      IS_THROWABLE(i)));
4008
4009     /* ---------- SNAPPABLE ------------------------------------------------ */
4010     SET_PROPERTY(i, EP_SNAPPABLE, (IS_DIGGABLE(i) ||
4011                                    IS_COLLECTIBLE(i) ||
4012                                    IS_SWITCHABLE(i) ||
4013                                    i == EL_BD_ROCK));
4014
4015     /* ---------- WALL ----------------------------------------------------- */
4016     SET_PROPERTY(i, EP_WALL, TRUE);     /* default: element is wall */
4017
4018     for (j = 0; no_wall_properties[j] != -1; j++)
4019       if (HAS_PROPERTY(i, no_wall_properties[j]) ||
4020           i >= EL_FIRST_RUNTIME_UNREAL)
4021         SET_PROPERTY(i, EP_WALL, FALSE);
4022
4023     if (IS_HISTORIC_WALL(i))
4024       SET_PROPERTY(i, EP_WALL, TRUE);
4025
4026     /* ---------- SOLID_FOR_PUSHING ---------------------------------------- */
4027     if (engine_version < VERSION_IDENT(2,2,0,0))
4028       SET_PROPERTY(i, EP_SOLID_FOR_PUSHING, IS_HISTORIC_SOLID(i));
4029     else
4030       SET_PROPERTY(i, EP_SOLID_FOR_PUSHING, (!IS_WALKABLE(i) &&
4031                                              !IS_DIGGABLE(i) &&
4032                                              !IS_COLLECTIBLE(i)));
4033
4034     /* ---------- DRAGONFIRE_PROOF ----------------------------------------- */
4035     if (IS_HISTORIC_SOLID(i) || i == EL_EXPLOSION)
4036       SET_PROPERTY(i, EP_DRAGONFIRE_PROOF, TRUE);
4037     else
4038       SET_PROPERTY(i, EP_DRAGONFIRE_PROOF, (IS_CUSTOM_ELEMENT(i) &&
4039                                             IS_INDESTRUCTIBLE(i)));
4040
4041     /* ---------- EXPLOSION_PROOF ------------------------------------------ */
4042     if (i == EL_FLAMES)
4043       SET_PROPERTY(i, EP_EXPLOSION_PROOF, TRUE);
4044     else if (engine_version < VERSION_IDENT(2,2,0,0))
4045       SET_PROPERTY(i, EP_EXPLOSION_PROOF, IS_INDESTRUCTIBLE(i));
4046     else
4047       SET_PROPERTY(i, EP_EXPLOSION_PROOF, (IS_INDESTRUCTIBLE(i) &&
4048                                            (!IS_WALKABLE(i) ||
4049                                             IS_PROTECTED(i))));
4050
4051     if (IS_CUSTOM_ELEMENT(i))
4052     {
4053       /* these are additional properties which are initially false when set */
4054
4055       /* ---------- DONT_COLLIDE_WITH / DONT_RUN_INTO ---------------------- */
4056       if (DONT_TOUCH(i))
4057         SET_PROPERTY(i, EP_DONT_COLLIDE_WITH, TRUE);
4058       if (DONT_COLLIDE_WITH(i))
4059         SET_PROPERTY(i, EP_DONT_RUN_INTO, TRUE);
4060
4061       /* ---------- CAN_SMASH_ENEMIES / CAN_SMASH_PLAYER ------------------- */
4062       if (CAN_SMASH_EVERYTHING(i))
4063         SET_PROPERTY(i, EP_CAN_SMASH_ENEMIES, TRUE);
4064       if (CAN_SMASH_ENEMIES(i))
4065         SET_PROPERTY(i, EP_CAN_SMASH_PLAYER, TRUE);
4066     }
4067
4068     /* ---------- CAN_SMASH ------------------------------------------------ */
4069     SET_PROPERTY(i, EP_CAN_SMASH, (CAN_SMASH_PLAYER(i) ||
4070                                    CAN_SMASH_ENEMIES(i) ||
4071                                    CAN_SMASH_EVERYTHING(i)));
4072
4073     /* ---------- CAN_EXPLODE_BY_FIRE -------------------------------------- */
4074     SET_PROPERTY(i, EP_CAN_EXPLODE_BY_FIRE, (CAN_EXPLODE(i) &&
4075                                              EXPLODES_BY_FIRE(i)));
4076
4077     /* ---------- CAN_EXPLODE_SMASHED -------------------------------------- */
4078     SET_PROPERTY(i, EP_CAN_EXPLODE_SMASHED, (CAN_EXPLODE(i) &&
4079                                              EXPLODES_SMASHED(i)));
4080
4081     /* ---------- CAN_EXPLODE_IMPACT --------------------------------------- */
4082     SET_PROPERTY(i, EP_CAN_EXPLODE_IMPACT, (CAN_EXPLODE(i) &&
4083                                             EXPLODES_IMPACT(i)));
4084
4085     /* ---------- CAN_EXPLODE_BY_DRAGONFIRE -------------------------------- */
4086     SET_PROPERTY(i, EP_CAN_EXPLODE_BY_DRAGONFIRE, CAN_EXPLODE_BY_FIRE(i));
4087
4088     /* ---------- CAN_EXPLODE_BY_EXPLOSION --------------------------------- */
4089     SET_PROPERTY(i, EP_CAN_EXPLODE_BY_EXPLOSION, (CAN_EXPLODE_BY_FIRE(i) ||
4090                                                   i == EL_BLACK_ORB));
4091
4092     /* ---------- COULD_MOVE_INTO_ACID ------------------------------------- */
4093     SET_PROPERTY(i, EP_COULD_MOVE_INTO_ACID, (ELEM_IS_PLAYER(i) ||
4094                                               CAN_MOVE(i) ||
4095                                               IS_CUSTOM_ELEMENT(i)));
4096
4097     /* ---------- MAYBE_DONT_COLLIDE_WITH ---------------------------------- */
4098     SET_PROPERTY(i, EP_MAYBE_DONT_COLLIDE_WITH, (i == EL_SP_SNIKSNAK ||
4099                                                  i == EL_SP_ELECTRON));
4100
4101     /* ---------- CAN_MOVE_INTO_ACID --------------------------------------- */
4102     if (COULD_MOVE_INTO_ACID(i) && !IS_CUSTOM_ELEMENT(i))
4103       SET_PROPERTY(i, EP_CAN_MOVE_INTO_ACID,
4104                    getMoveIntoAcidProperty(&level, i));
4105
4106     /* ---------- DONT_COLLIDE_WITH ---------------------------------------- */
4107     if (MAYBE_DONT_COLLIDE_WITH(i))
4108       SET_PROPERTY(i, EP_DONT_COLLIDE_WITH,
4109                    getDontCollideWithProperty(&level, i));
4110
4111     /* ---------- SP_PORT -------------------------------------------------- */
4112     SET_PROPERTY(i, EP_SP_PORT, (IS_SP_ELEMENT(i) &&
4113                                  IS_PASSABLE_INSIDE(i)));
4114
4115     /* ---------- CAN_BE_CLONED_BY_ANDROID --------------------------------- */
4116     for (j = 0; j < level.num_android_clone_elements; j++)
4117       SET_PROPERTY(i, EP_CAN_BE_CLONED_BY_ANDROID,
4118                    (i != EL_EMPTY &&
4119                     IS_EQUAL_OR_IN_GROUP(i, level.android_clone_element[j])));
4120
4121     /* ---------- CAN_CHANGE ----------------------------------------------- */
4122     SET_PROPERTY(i, EP_CAN_CHANGE, FALSE);      /* default: cannot change */
4123     for (j = 0; j < element_info[i].num_change_pages; j++)
4124       if (element_info[i].change_page[j].can_change)
4125         SET_PROPERTY(i, EP_CAN_CHANGE, TRUE);
4126
4127     /* ---------- HAS_ACTION ----------------------------------------------- */
4128     SET_PROPERTY(i, EP_HAS_ACTION, FALSE);      /* default: has no action */
4129     for (j = 0; j < element_info[i].num_change_pages; j++)
4130       if (element_info[i].change_page[j].has_action)
4131         SET_PROPERTY(i, EP_HAS_ACTION, TRUE);
4132
4133     /* ---------- CAN_CHANGE_OR_HAS_ACTION --------------------------------- */
4134     SET_PROPERTY(i, EP_CAN_CHANGE_OR_HAS_ACTION, (CAN_CHANGE(i) ||
4135                                                   HAS_ACTION(i)));
4136
4137     /* ---------- GFX_CRUMBLED --------------------------------------------- */
4138 #if 1
4139     SET_PROPERTY(i, EP_GFX_CRUMBLED,
4140                  element_info[i].crumbled[ACTION_DEFAULT] !=
4141                  element_info[i].graphic[ACTION_DEFAULT]);
4142 #else
4143     /* !!! THIS LOOKS CRAPPY FOR SAND ETC. WITHOUT CRUMBLED GRAPHICS !!! */
4144     SET_PROPERTY(i, EP_GFX_CRUMBLED,
4145                  element_info[i].crumbled[ACTION_DEFAULT] != IMG_EMPTY);
4146 #endif
4147
4148     /* ---------- EDITOR_CASCADE ------------------------------------------- */
4149     SET_PROPERTY(i, EP_EDITOR_CASCADE, (IS_EDITOR_CASCADE_ACTIVE(i) ||
4150                                         IS_EDITOR_CASCADE_INACTIVE(i)));
4151   }
4152
4153   /* dynamically adjust element properties according to game engine version */
4154   {
4155     static int ep_em_slippery_wall[] =
4156     {
4157       EL_WALL,
4158       EL_STEELWALL,
4159       EL_EXPANDABLE_WALL,
4160       EL_EXPANDABLE_WALL_HORIZONTAL,
4161       EL_EXPANDABLE_WALL_VERTICAL,
4162       EL_EXPANDABLE_WALL_ANY,
4163       EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4164       EL_EXPANDABLE_STEELWALL_VERTICAL,
4165       EL_EXPANDABLE_STEELWALL_ANY,
4166       EL_EXPANDABLE_STEELWALL_GROWING,
4167       -1
4168     };
4169
4170     /* special EM style gems behaviour */
4171     for (i = 0; ep_em_slippery_wall[i] != -1; i++)
4172       SET_PROPERTY(ep_em_slippery_wall[i], EP_EM_SLIPPERY_WALL,
4173                    level.em_slippery_gems);
4174
4175     /* "EL_EXPANDABLE_WALL_GROWING" wasn't slippery for EM gems in 2.0.1 */
4176     SET_PROPERTY(EL_EXPANDABLE_WALL_GROWING, EP_EM_SLIPPERY_WALL,
4177                  (level.em_slippery_gems &&
4178                   engine_version > VERSION_IDENT(2,0,1,0)));
4179   }
4180
4181   /* this is needed because some graphics depend on element properties */
4182   if (game_status == GAME_MODE_PLAYING)
4183     InitElementGraphicInfo();
4184 }
4185
4186 void InitElementPropertiesAfterLoading(int engine_version)
4187 {
4188   int i;
4189
4190   /* set some other uninitialized values of custom elements in older levels */
4191   if (engine_version < VERSION_IDENT(3,1,0,0))
4192   {
4193     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
4194     {
4195       int element = EL_CUSTOM_START + i;
4196
4197       element_info[element].access_direction = MV_ALL_DIRECTIONS;
4198
4199       element_info[element].explosion_delay = 17;
4200       element_info[element].ignition_delay = 8;
4201     }
4202   }
4203 }
4204
4205 static void InitGlobal()
4206 {
4207   int i;
4208
4209   for (i = 0; i < MAX_NUM_ELEMENTS + 1; i++)
4210   {
4211     /* check if element_name_info entry defined for each element in "main.h" */
4212     if (i < MAX_NUM_ELEMENTS && element_name_info[i].token_name == NULL)
4213       Error(ERR_EXIT, "undefined 'element_name_info' entry for element %d", i);
4214
4215     element_info[i].token_name = element_name_info[i].token_name;
4216     element_info[i].class_name = element_name_info[i].class_name;
4217     element_info[i].editor_description=element_name_info[i].editor_description;
4218
4219 #if 0
4220     printf("%04d: %s\n", i, element_name_info[i].token_name);
4221 #endif
4222   }
4223
4224   global.autoplay_leveldir = NULL;
4225   global.convert_leveldir = NULL;
4226
4227   global.frames_per_second = 0;
4228   global.fps_slowdown = FALSE;
4229   global.fps_slowdown_factor = 1;
4230 }
4231
4232 void Execute_Command(char *command)
4233 {
4234   int i;
4235
4236   if (strEqual(command, "print graphicsinfo.conf"))
4237   {
4238     printf("# You can configure additional/alternative image files here.\n");
4239     printf("# (The entries below are default and therefore commented out.)\n");
4240     printf("\n");
4241     printf("%s\n", getFormattedSetupEntry("name", "Classic Graphics"));
4242     printf("\n");
4243     printf("%s\n", getFormattedSetupEntry("sort_priority", "100"));
4244     printf("\n");
4245
4246     for (i = 0; image_config[i].token != NULL; i++)
4247       printf("# %s\n", getFormattedSetupEntry(image_config[i].token,
4248                                               image_config[i].value));
4249
4250     exit(0);
4251   }
4252   else if (strEqual(command, "print soundsinfo.conf"))
4253   {
4254     printf("# You can configure additional/alternative sound files here.\n");
4255     printf("# (The entries below are default and therefore commented out.)\n");
4256     printf("\n");
4257     printf("%s\n", getFormattedSetupEntry("name", "Classic Sounds"));
4258     printf("\n");
4259     printf("%s\n", getFormattedSetupEntry("sort_priority", "100"));
4260     printf("\n");
4261
4262     for (i = 0; sound_config[i].token != NULL; i++)
4263       printf("# %s\n", getFormattedSetupEntry(sound_config[i].token,
4264                                               sound_config[i].value));
4265
4266     exit(0);
4267   }
4268   else if (strEqual(command, "print musicinfo.conf"))
4269   {
4270     printf("# You can configure additional/alternative music files here.\n");
4271     printf("# (The entries below are default and therefore commented out.)\n");
4272     printf("\n");
4273     printf("%s\n", getFormattedSetupEntry("name", "Classic Music"));
4274     printf("\n");
4275     printf("%s\n", getFormattedSetupEntry("sort_priority", "100"));
4276     printf("\n");
4277
4278     for (i = 0; music_config[i].token != NULL; i++)
4279       printf("# %s\n", getFormattedSetupEntry(music_config[i].token,
4280                                               music_config[i].value));
4281
4282     exit(0);
4283   }
4284   else if (strEqual(command, "print editorsetup.conf"))
4285   {
4286     printf("# You can configure your personal editor element list here.\n");
4287     printf("# (The entries below are default and therefore commented out.)\n");
4288     printf("\n");
4289
4290     /* this is needed to be able to check element list for cascade elements */
4291     InitElementPropertiesStatic();
4292     InitElementPropertiesEngine(GAME_VERSION_ACTUAL);
4293
4294     PrintEditorElementList();
4295
4296     exit(0);
4297   }
4298   else if (strEqual(command, "print helpanim.conf"))
4299   {
4300     printf("# You can configure different element help animations here.\n");
4301     printf("# (The entries below are default and therefore commented out.)\n");
4302     printf("\n");
4303
4304     for (i = 0; helpanim_config[i].token != NULL; i++)
4305     {
4306       printf("# %s\n", getFormattedSetupEntry(helpanim_config[i].token,
4307                                               helpanim_config[i].value));
4308
4309       if (strEqual(helpanim_config[i].token, "end"))
4310         printf("#\n");
4311     }
4312
4313     exit(0);
4314   }
4315   else if (strEqual(command, "print helptext.conf"))
4316   {
4317     printf("# You can configure different element help text here.\n");
4318     printf("# (The entries below are default and therefore commented out.)\n");
4319     printf("\n");
4320
4321     for (i = 0; helptext_config[i].token != NULL; i++)
4322       printf("# %s\n", getFormattedSetupEntry(helptext_config[i].token,
4323                                               helptext_config[i].value));
4324
4325     exit(0);
4326   }
4327   else if (strncmp(command, "dump level ", 11) == 0)
4328   {
4329     char *filename = &command[11];
4330
4331     if (!fileExists(filename))
4332       Error(ERR_EXIT, "cannot open file '%s'", filename);
4333
4334     LoadLevelFromFilename(&level, filename);
4335     DumpLevel(&level);
4336
4337     exit(0);
4338   }
4339   else if (strncmp(command, "dump tape ", 10) == 0)
4340   {
4341     char *filename = &command[10];
4342
4343     if (!fileExists(filename))
4344       Error(ERR_EXIT, "cannot open file '%s'", filename);
4345
4346     LoadTapeFromFilename(filename);
4347     DumpTape(&tape);
4348
4349     exit(0);
4350   }
4351   else if (strncmp(command, "autoplay ", 9) == 0)
4352   {
4353     char *str_ptr = getStringCopy(&command[9]); /* read command parameters */
4354
4355     while (*str_ptr != '\0')                    /* continue parsing string */
4356     {
4357       /* cut leading whitespace from string, replace it by string terminator */
4358       while (*str_ptr == ' ' || *str_ptr == '\t')
4359         *str_ptr++ = '\0';
4360
4361       if (*str_ptr == '\0')                     /* end of string reached */
4362         break;
4363
4364       if (global.autoplay_leveldir == NULL)     /* read level set string */
4365       {
4366         global.autoplay_leveldir = str_ptr;
4367         global.autoplay_all = TRUE;             /* default: play all tapes */
4368
4369         for (i = 0; i < MAX_TAPES_PER_SET; i++)
4370           global.autoplay_level[i] = FALSE;
4371       }
4372       else                                      /* read level number string */
4373       {
4374         int level_nr = atoi(str_ptr);           /* get level_nr value */
4375
4376         if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
4377           global.autoplay_level[level_nr] = TRUE;
4378
4379         global.autoplay_all = FALSE;
4380       }
4381
4382       /* advance string pointer to the next whitespace (or end of string) */
4383       while (*str_ptr != ' ' && *str_ptr != '\t' && *str_ptr != '\0')
4384         str_ptr++;
4385     }
4386   }
4387   else if (strncmp(command, "convert ", 8) == 0)
4388   {
4389     char *str_copy = getStringCopy(&command[8]);
4390     char *str_ptr = strchr(str_copy, ' ');
4391
4392     global.convert_leveldir = str_copy;
4393     global.convert_level_nr = -1;
4394
4395     if (str_ptr != NULL)                        /* level number follows */
4396     {
4397       *str_ptr++ = '\0';                        /* terminate leveldir string */
4398       global.convert_level_nr = atoi(str_ptr);  /* get level_nr value */
4399     }
4400   }
4401
4402 #if DEBUG
4403 #if defined(TARGET_SDL)
4404   else if (strEqual(command, "SDL_ListModes"))
4405   {
4406     SDL_Rect **modes;
4407     int i;
4408
4409     SDL_Init(SDL_INIT_VIDEO);
4410
4411     /* get available fullscreen/hardware modes */
4412     modes = SDL_ListModes(NULL, SDL_FULLSCREEN | SDL_HWSURFACE);
4413
4414     /* check if there are any modes available */
4415     if (modes == NULL)
4416     {
4417       printf("No modes available!\n");
4418
4419       exit(-1);
4420     }
4421
4422     /* check if our resolution is restricted */
4423     if (modes == (SDL_Rect **)-1)
4424     {
4425       printf("All resolutions available.\n");
4426     }
4427     else
4428     {
4429       printf("Available Modes:\n");
4430
4431       for(i = 0; modes[i]; i++)
4432         printf("  %d x %d\n", modes[i]->w, modes[i]->h);
4433     }
4434
4435     exit(0);
4436   }
4437 #endif
4438 #endif
4439
4440   else
4441   {
4442     Error(ERR_EXIT_HELP, "unrecognized command '%s'", command);
4443   }
4444 }
4445
4446 static void InitSetup()
4447 {
4448   LoadSetup();                                  /* global setup info */
4449
4450   /* set some options from setup file */
4451
4452   if (setup.options.verbose)
4453     options.verbose = TRUE;
4454 }
4455
4456 static void InitGameInfo()
4457 {
4458   game.restart_level = FALSE;
4459 }
4460
4461 static void InitPlayerInfo()
4462 {
4463   int i;
4464
4465   /* choose default local player */
4466   local_player = &stored_player[0];
4467
4468   for (i = 0; i < MAX_PLAYERS; i++)
4469     stored_player[i].connected = FALSE;
4470
4471   local_player->connected = TRUE;
4472 }
4473
4474 static void InitArtworkInfo()
4475 {
4476   LoadArtworkInfo();
4477 }
4478
4479 static char *get_string_in_brackets(char *string)
4480 {
4481   char *string_in_brackets = checked_malloc(strlen(string) + 3);
4482
4483   sprintf(string_in_brackets, "[%s]", string);
4484
4485   return string_in_brackets;
4486 }
4487
4488 static char *get_level_id_suffix(int id_nr)
4489 {
4490   char *id_suffix = checked_malloc(1 + 3 + 1);
4491
4492   if (id_nr < 0 || id_nr > 999)
4493     id_nr = 0;
4494
4495   sprintf(id_suffix, ".%03d", id_nr);
4496
4497   return id_suffix;
4498 }
4499
4500 #if 0
4501 static char *get_element_class_token(int element)
4502 {
4503   char *element_class_name = element_info[element].class_name;
4504   char *element_class_token = checked_malloc(strlen(element_class_name) + 3);
4505
4506   sprintf(element_class_token, "[%s]", element_class_name);
4507
4508   return element_class_token;
4509 }
4510
4511 static char *get_action_class_token(int action)
4512 {
4513   char *action_class_name = &element_action_info[action].suffix[1];
4514   char *action_class_token = checked_malloc(strlen(action_class_name) + 3);
4515
4516   sprintf(action_class_token, "[%s]", action_class_name);
4517
4518   return action_class_token;
4519 }
4520 #endif
4521
4522 static void InitArtworkConfig()
4523 {
4524   static char *image_id_prefix[MAX_NUM_ELEMENTS + NUM_FONTS + 1];
4525   static char *sound_id_prefix[2 * MAX_NUM_ELEMENTS + 1];
4526   static char *music_id_prefix[NUM_MUSIC_PREFIXES + 1];
4527   static char *action_id_suffix[NUM_ACTIONS + 1];
4528   static char *direction_id_suffix[NUM_DIRECTIONS_FULL + 1];
4529   static char *special_id_suffix[NUM_SPECIAL_GFX_ARGS + 1];
4530   static char *level_id_suffix[MAX_LEVELS + 1];
4531   static char *dummy[1] = { NULL };
4532   static char *ignore_generic_tokens[] =
4533   {
4534     "name",
4535     "sort_priority",
4536     NULL
4537   };
4538   static char **ignore_image_tokens;
4539   static char **ignore_sound_tokens;
4540   static char **ignore_music_tokens;
4541   int num_ignore_generic_tokens;
4542   int num_ignore_image_tokens;
4543   int num_ignore_sound_tokens;
4544   int num_ignore_music_tokens;
4545   int i;
4546
4547   /* dynamically determine list of generic tokens to be ignored */
4548   num_ignore_generic_tokens = 0;
4549   for (i = 0; ignore_generic_tokens[i] != NULL; i++)
4550     num_ignore_generic_tokens++;
4551
4552   /* dynamically determine list of image tokens to be ignored */
4553   num_ignore_image_tokens = num_ignore_generic_tokens;
4554   for (i = 0; image_config_vars[i].token != NULL; i++)
4555     num_ignore_image_tokens++;
4556   ignore_image_tokens =
4557     checked_malloc((num_ignore_image_tokens + 1) * sizeof(char *));
4558   for (i = 0; i < num_ignore_generic_tokens; i++)
4559     ignore_image_tokens[i] = ignore_generic_tokens[i];
4560   for (i = 0; i < num_ignore_image_tokens - num_ignore_generic_tokens; i++)
4561     ignore_image_tokens[num_ignore_generic_tokens + i] =
4562       image_config_vars[i].token;
4563   ignore_image_tokens[num_ignore_image_tokens] = NULL;
4564
4565   /* dynamically determine list of sound tokens to be ignored */
4566   num_ignore_sound_tokens = num_ignore_generic_tokens;
4567   ignore_sound_tokens =
4568     checked_malloc((num_ignore_sound_tokens + 1) * sizeof(char *));
4569   for (i = 0; i < num_ignore_generic_tokens; i++)
4570     ignore_sound_tokens[i] = ignore_generic_tokens[i];
4571   ignore_sound_tokens[num_ignore_sound_tokens] = NULL;
4572
4573   /* dynamically determine list of music tokens to be ignored */
4574   num_ignore_music_tokens = num_ignore_generic_tokens;
4575   ignore_music_tokens =
4576     checked_malloc((num_ignore_music_tokens + 1) * sizeof(char *));
4577   for (i = 0; i < num_ignore_generic_tokens; i++)
4578     ignore_music_tokens[i] = ignore_generic_tokens[i];
4579   ignore_music_tokens[num_ignore_music_tokens] = NULL;
4580
4581   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
4582     image_id_prefix[i] = element_info[i].token_name;
4583   for (i = 0; i < NUM_FONTS; i++)
4584     image_id_prefix[MAX_NUM_ELEMENTS + i] = font_info[i].token_name;
4585   image_id_prefix[MAX_NUM_ELEMENTS + NUM_FONTS] = NULL;
4586
4587   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
4588     sound_id_prefix[i] = element_info[i].token_name;
4589   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
4590     sound_id_prefix[MAX_NUM_ELEMENTS + i] =
4591       get_string_in_brackets(element_info[i].class_name);
4592   sound_id_prefix[2 * MAX_NUM_ELEMENTS] = NULL;
4593
4594   for (i = 0; i < NUM_MUSIC_PREFIXES; i++)
4595     music_id_prefix[i] = music_prefix_info[i].prefix;
4596   music_id_prefix[NUM_MUSIC_PREFIXES] = NULL;
4597
4598   for (i = 0; i < NUM_ACTIONS; i++)
4599     action_id_suffix[i] = element_action_info[i].suffix;
4600   action_id_suffix[NUM_ACTIONS] = NULL;
4601
4602   for (i = 0; i < NUM_DIRECTIONS_FULL; i++)
4603     direction_id_suffix[i] = element_direction_info[i].suffix;
4604   direction_id_suffix[NUM_DIRECTIONS_FULL] = NULL;
4605
4606   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
4607     special_id_suffix[i] = special_suffix_info[i].suffix;
4608   special_id_suffix[NUM_SPECIAL_GFX_ARGS] = NULL;
4609
4610   for (i = 0; i < MAX_LEVELS; i++)
4611     level_id_suffix[i] = get_level_id_suffix(i);
4612   level_id_suffix[MAX_LEVELS] = NULL;
4613
4614   InitImageList(image_config, NUM_IMAGE_FILES, image_config_suffix,
4615                 image_id_prefix, action_id_suffix, direction_id_suffix,
4616                 special_id_suffix, ignore_image_tokens);
4617   InitSoundList(sound_config, NUM_SOUND_FILES, sound_config_suffix,
4618                 sound_id_prefix, action_id_suffix, dummy,
4619                 special_id_suffix, ignore_sound_tokens);
4620   InitMusicList(music_config, NUM_MUSIC_FILES, music_config_suffix,
4621                 music_id_prefix, special_id_suffix, level_id_suffix,
4622                 dummy, ignore_music_tokens);
4623 }
4624
4625 static void InitMixer()
4626 {
4627   OpenAudio();
4628   StartMixer();
4629 }
4630
4631 void InitGfx()
4632 {
4633   char *filename_font_initial = NULL;
4634   Bitmap *bitmap_font_initial = NULL;
4635   int font_height;
4636   int i, j;
4637
4638   /* determine settings for initial font (for displaying startup messages) */
4639   for (i = 0; image_config[i].token != NULL; i++)
4640   {
4641     for (j = 0; j < NUM_INITIAL_FONTS; j++)
4642     {
4643       char font_token[128];
4644       int len_font_token;
4645
4646       sprintf(font_token, "%s_%d", CONFIG_TOKEN_FONT_INITIAL, j + 1);
4647       len_font_token = strlen(font_token);
4648
4649       if (strEqual(image_config[i].token, font_token))
4650         filename_font_initial = image_config[i].value;
4651       else if (strlen(image_config[i].token) > len_font_token &&
4652                strncmp(image_config[i].token, font_token, len_font_token) == 0)
4653       {
4654         if (strEqual(&image_config[i].token[len_font_token], ".x"))
4655           font_initial[j].src_x = atoi(image_config[i].value);
4656         else if (strEqual(&image_config[i].token[len_font_token], ".y"))
4657           font_initial[j].src_y = atoi(image_config[i].value);
4658         else if (strEqual(&image_config[i].token[len_font_token], ".width"))
4659           font_initial[j].width = atoi(image_config[i].value);
4660         else if (strEqual(&image_config[i].token[len_font_token],".height"))
4661           font_initial[j].height = atoi(image_config[i].value);
4662       }
4663     }
4664   }
4665
4666   for (j = 0; j < NUM_INITIAL_FONTS; j++)
4667   {
4668     font_initial[j].num_chars = DEFAULT_NUM_CHARS_PER_FONT;
4669     font_initial[j].num_chars_per_line = DEFAULT_NUM_CHARS_PER_LINE;
4670   }
4671
4672   if (filename_font_initial == NULL)    /* should not happen */
4673     Error(ERR_EXIT, "cannot get filename for '%s'", CONFIG_TOKEN_FONT_INITIAL);
4674
4675   /* create additional image buffers for double-buffering and cross-fading */
4676   bitmap_db_cross = CreateBitmap(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH);
4677   bitmap_db_field = CreateBitmap(FXSIZE, FYSIZE, DEFAULT_DEPTH);
4678   bitmap_db_panel = CreateBitmap(DXSIZE, DYSIZE, DEFAULT_DEPTH);
4679   bitmap_db_door  = CreateBitmap(3 * DXSIZE, DYSIZE + VYSIZE, DEFAULT_DEPTH);
4680
4681   /* initialize screen properties */
4682   InitGfxFieldInfo(SX, SY, SXSIZE, SYSIZE,
4683                    REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE,
4684                    bitmap_db_field);
4685   InitGfxDoor1Info(DX, DY, DXSIZE, DYSIZE);
4686   InitGfxDoor2Info(VX, VY, VXSIZE, VYSIZE);
4687   InitGfxScrollbufferInfo(FXSIZE, FYSIZE);
4688
4689   bitmap_font_initial = LoadCustomImage(filename_font_initial);
4690
4691   for (j = 0; j < NUM_INITIAL_FONTS; j++)
4692     font_initial[j].bitmap = bitmap_font_initial;
4693
4694   InitFontGraphicInfo();
4695
4696   font_height = getFontHeight(FC_RED);
4697
4698 #if 1
4699   DrawInitText(getWindowTitleString(), 20, FC_YELLOW);
4700 #else
4701   DrawInitText(getProgramInitString(), 20, FC_YELLOW);
4702 #endif
4703   DrawInitText(PROGRAM_COPYRIGHT_STRING, 50, FC_RED);
4704   DrawInitText(PROGRAM_WEBSITE_STRING, WIN_YSIZE - 20 - font_height, FC_RED);
4705
4706   DrawInitText("Loading graphics", 120, FC_GREEN);
4707 }
4708
4709 void RedrawBackground()
4710 {
4711   BlitBitmap(graphic_info[IMG_GLOBAL_BORDER].bitmap, backbuffer,
4712              0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
4713
4714   redraw_mask = REDRAW_ALL;
4715 }
4716
4717 void InitGfxBackground()
4718 {
4719   int x, y;
4720
4721   fieldbuffer = bitmap_db_field;
4722   SetDrawtoField(DRAW_BACKBUFFER);
4723
4724   RedrawBackground();
4725
4726   ClearRectangle(backbuffer, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
4727   ClearRectangle(bitmap_db_door, 0, 0, 3 * DXSIZE, DYSIZE + VYSIZE);
4728
4729   for (x = 0; x < MAX_BUF_XSIZE; x++)
4730     for (y = 0; y < MAX_BUF_YSIZE; y++)
4731       redraw[x][y] = 0;
4732   redraw_tiles = 0;
4733   redraw_mask = REDRAW_ALL;
4734 }
4735
4736 static void InitLevelInfo()
4737 {
4738   LoadLevelInfo();                              /* global level info */
4739   LoadLevelSetup_LastSeries();                  /* last played series info */
4740   LoadLevelSetup_SeriesInfo();                  /* last played level info */
4741 }
4742
4743 void InitLevelArtworkInfo()
4744 {
4745   LoadLevelArtworkInfo();
4746 }
4747
4748 static void InitImages()
4749 {
4750   setLevelArtworkDir(artwork.gfx_first);
4751
4752 #if 0
4753   printf("::: InitImages for '%s' ['%s', '%s'] ['%s', '%s']\n",
4754          leveldir_current->identifier,
4755          artwork.gfx_current_identifier,
4756          artwork.gfx_current->identifier,
4757          leveldir_current->graphics_set,
4758          leveldir_current->graphics_path);
4759 #endif
4760
4761   ReloadCustomImages();
4762
4763   LoadCustomElementDescriptions();
4764   LoadSpecialMenuDesignSettings();
4765
4766   ReinitializeGraphics();
4767 }
4768
4769 static void InitSound(char *identifier)
4770 {
4771   if (identifier == NULL)
4772     identifier = artwork.snd_current->identifier;
4773
4774   /* set artwork path to send it to the sound server process */
4775   setLevelArtworkDir(artwork.snd_first);
4776
4777   InitReloadCustomSounds(identifier);
4778   ReinitializeSounds();
4779 }
4780
4781 static void InitMusic(char *identifier)
4782 {
4783   if (identifier == NULL)
4784     identifier = artwork.mus_current->identifier;
4785
4786   /* set artwork path to send it to the sound server process */
4787   setLevelArtworkDir(artwork.mus_first);
4788
4789   InitReloadCustomMusic(identifier);
4790   ReinitializeMusic();
4791 }
4792
4793 void InitNetworkServer()
4794 {
4795 #if defined(NETWORK_AVALIABLE)
4796   int nr_wanted;
4797 #endif
4798
4799   if (!options.network)
4800     return;
4801
4802 #if defined(NETWORK_AVALIABLE)
4803   nr_wanted = Request("Choose player", REQ_PLAYER | REQ_STAY_CLOSED);
4804
4805   if (!ConnectToServer(options.server_host, options.server_port))
4806     Error(ERR_EXIT, "cannot connect to network game server");
4807
4808   SendToServer_PlayerName(setup.player_name);
4809   SendToServer_ProtocolVersion();
4810
4811   if (nr_wanted)
4812     SendToServer_NrWanted(nr_wanted);
4813 #endif
4814 }
4815
4816 static char *getNewArtworkIdentifier(int type)
4817 {
4818   static char *leveldir_current_identifier[3] = { NULL, NULL, NULL };
4819   static boolean last_override_level_artwork[3] = { FALSE, FALSE, FALSE };
4820   static boolean last_has_level_artwork_set[3] = { FALSE, FALSE, FALSE };
4821   static boolean initialized[3] = { FALSE, FALSE, FALSE };
4822   TreeInfo *artwork_first_node = ARTWORK_FIRST_NODE(artwork, type);
4823   boolean setup_override_artwork = SETUP_OVERRIDE_ARTWORK(setup, type);
4824   char *setup_artwork_set = SETUP_ARTWORK_SET(setup, type);
4825   char *leveldir_identifier = leveldir_current->identifier;
4826 #if 1
4827   /* !!! setLevelArtworkDir() should be moved to an earlier stage !!! */
4828   char *leveldir_artwork_set = setLevelArtworkDir(artwork_first_node);
4829 #else
4830   char *leveldir_artwork_set = LEVELDIR_ARTWORK_SET(leveldir_current, type);
4831 #endif
4832   boolean has_level_artwork_set = (leveldir_artwork_set != NULL);
4833   char *artwork_current_identifier;
4834   char *artwork_new_identifier = NULL;  /* default: nothing has changed */
4835
4836   /* leveldir_current may be invalid (level group, parent link) */
4837   if (!validLevelSeries(leveldir_current))
4838     return NULL;
4839
4840   /* 1st step: determine artwork set to be activated in descending order:
4841      --------------------------------------------------------------------
4842      1. setup artwork (when configured to override everything else)
4843      2. artwork set configured in "levelinfo.conf" of current level set
4844         (artwork in level directory will have priority when loading later)
4845      3. artwork in level directory (stored in artwork sub-directory)
4846      4. setup artwork (currently configured in setup menu) */
4847
4848   if (setup_override_artwork)
4849     artwork_current_identifier = setup_artwork_set;
4850   else if (leveldir_artwork_set != NULL)
4851     artwork_current_identifier = leveldir_artwork_set;
4852   else if (getTreeInfoFromIdentifier(artwork_first_node, leveldir_identifier))
4853     artwork_current_identifier = leveldir_identifier;
4854   else
4855     artwork_current_identifier = setup_artwork_set;
4856
4857
4858   /* 2nd step: check if it is really needed to reload artwork set
4859      ------------------------------------------------------------ */
4860
4861 #if 0
4862   if (type == ARTWORK_TYPE_GRAPHICS)
4863     printf("::: 0: '%s' ['%s', '%s'] ['%s' ('%s')]\n",
4864            artwork_new_identifier,
4865            ARTWORK_CURRENT_IDENTIFIER(artwork, type),
4866            artwork_current_identifier,
4867            leveldir_current->graphics_set,
4868            leveldir_current->identifier);
4869 #endif
4870
4871   /* ---------- reload if level set and also artwork set has changed ------- */
4872   if (leveldir_current_identifier[type] != leveldir_identifier &&
4873       (last_has_level_artwork_set[type] || has_level_artwork_set))
4874     artwork_new_identifier = artwork_current_identifier;
4875
4876   leveldir_current_identifier[type] = leveldir_identifier;
4877   last_has_level_artwork_set[type] = has_level_artwork_set;
4878
4879 #if 0
4880   if (type == ARTWORK_TYPE_GRAPHICS)
4881     printf("::: 1: '%s'\n", artwork_new_identifier);
4882 #endif
4883
4884   /* ---------- reload if "override artwork" setting has changed ----------- */
4885   if (last_override_level_artwork[type] != setup_override_artwork)
4886     artwork_new_identifier = artwork_current_identifier;
4887
4888   last_override_level_artwork[type] = setup_override_artwork;
4889
4890 #if 0
4891   if (type == ARTWORK_TYPE_GRAPHICS)
4892     printf("::: 2: '%s'\n", artwork_new_identifier);
4893 #endif
4894
4895   /* ---------- reload if current artwork identifier has changed ----------- */
4896   if (!strEqual(ARTWORK_CURRENT_IDENTIFIER(artwork, type),
4897                 artwork_current_identifier))
4898     artwork_new_identifier = artwork_current_identifier;
4899
4900   *(ARTWORK_CURRENT_IDENTIFIER_PTR(artwork, type))= artwork_current_identifier;
4901
4902 #if 0
4903   if (type == ARTWORK_TYPE_GRAPHICS)
4904     printf("::: 3: '%s'\n", artwork_new_identifier);
4905 #endif
4906
4907   /* ---------- do not reload directly after starting ---------------------- */
4908   if (!initialized[type])
4909     artwork_new_identifier = NULL;
4910
4911   initialized[type] = TRUE;
4912
4913 #if 0
4914   if (type == ARTWORK_TYPE_GRAPHICS)
4915     printf("::: 4: '%s'\n", artwork_new_identifier);
4916 #endif
4917
4918 #if 0
4919   if (type == ARTWORK_TYPE_GRAPHICS)
4920     printf("CHECKING OLD/NEW GFX:\n- OLD: %s\n- NEW: %s ['%s', '%s'] ['%s']\n",
4921            artwork.gfx_current_identifier, artwork_current_identifier,
4922            artwork.gfx_current->identifier, leveldir_current->graphics_set,
4923            artwork_new_identifier);
4924 #endif
4925
4926   return artwork_new_identifier;
4927 }
4928
4929 void ReloadCustomArtwork(int force_reload)
4930 {
4931   char *gfx_new_identifier;
4932   char *snd_new_identifier;
4933   char *mus_new_identifier;
4934   boolean force_reload_gfx = (force_reload & (1 << ARTWORK_TYPE_GRAPHICS));
4935   boolean force_reload_snd = (force_reload & (1 << ARTWORK_TYPE_SOUNDS));
4936   boolean force_reload_mus = (force_reload & (1 << ARTWORK_TYPE_MUSIC));
4937   boolean redraw_screen = FALSE;
4938
4939   force_reload_gfx |= AdjustGraphicsForEMC();
4940
4941   gfx_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_GRAPHICS);
4942   snd_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_SOUNDS);
4943   mus_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_MUSIC);
4944
4945   if (gfx_new_identifier != NULL || force_reload_gfx)
4946   {
4947 #if 0
4948     printf("RELOADING GRAPHICS '%s' -> '%s' ['%s', '%s']\n",
4949            artwork.gfx_current_identifier,
4950            gfx_new_identifier,
4951            artwork.gfx_current->identifier,
4952            leveldir_current->graphics_set);
4953 #endif
4954
4955     ClearRectangle(window, 0, 0, WIN_XSIZE, WIN_YSIZE);
4956
4957     InitImages();
4958
4959     redraw_screen = TRUE;
4960   }
4961
4962   if (snd_new_identifier != NULL || force_reload_snd)
4963   {
4964     ClearRectangle(window, 0, 0, WIN_XSIZE, WIN_YSIZE);
4965
4966     InitSound(snd_new_identifier);
4967
4968     redraw_screen = TRUE;
4969   }
4970
4971   if (mus_new_identifier != NULL || force_reload_mus)
4972   {
4973     ClearRectangle(window, 0, 0, WIN_XSIZE, WIN_YSIZE);
4974
4975     InitMusic(mus_new_identifier);
4976
4977     redraw_screen = TRUE;
4978   }
4979
4980   if (redraw_screen)
4981   {
4982     RedrawBackground();
4983
4984     /* force redraw of (open or closed) door graphics */
4985     SetDoorState(DOOR_OPEN_ALL);
4986     CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
4987   }
4988 }
4989
4990 void KeyboardAutoRepeatOffUnlessAutoplay()
4991 {
4992   if (global.autoplay_leveldir == NULL)
4993     KeyboardAutoRepeatOff();
4994 }
4995
4996
4997 /* ========================================================================= */
4998 /* OpenAll()                                                                 */
4999 /* ========================================================================= */
5000
5001 void OpenAll()
5002 {
5003   InitGlobal();                 /* initialize some global variables */
5004
5005   if (options.execute_command)
5006     Execute_Command(options.execute_command);
5007
5008   if (options.serveronly)
5009   {
5010 #if defined(PLATFORM_UNIX)
5011     NetworkServer(options.server_port, options.serveronly);
5012 #else
5013     Error(ERR_WARN, "networking only supported in Unix version");
5014 #endif
5015
5016     exit(0);                    /* never reached, server loops forever */
5017   }
5018
5019   InitSetup();
5020
5021   InitGameInfo();
5022   InitPlayerInfo();
5023   InitArtworkInfo();            /* needed before loading gfx, sound & music */
5024   InitArtworkConfig();          /* needed before forking sound child process */
5025   InitMixer();
5026
5027   InitCounter();
5028
5029   InitRND(NEW_RANDOMIZE);
5030   InitSimpleRandom(NEW_RANDOMIZE);
5031
5032   InitJoysticks();
5033
5034   InitVideoDisplay();
5035   InitVideoBuffer(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH, setup.fullscreen);
5036
5037   InitEventFilter(FilterMouseMotionEvents);
5038
5039   InitElementPropertiesStatic();
5040   InitElementPropertiesEngine(GAME_VERSION_ACTUAL);
5041
5042   InitGfx();
5043
5044   // debug_print_timestamp(0, "INIT");
5045   InitLevelInfo();
5046   // debug_print_timestamp(0, "TIME InitLevelInfo:        ");
5047   InitLevelArtworkInfo();
5048   // debug_print_timestamp(0, "TIME InitLevelArtworkInfo: ");
5049
5050   InitImages();                 /* needs to know current level directory */
5051   InitSound(NULL);              /* needs to know current level directory */
5052   InitMusic(NULL);              /* needs to know current level directory */
5053
5054   InitGfxBackground();
5055
5056 #if 1
5057   em_open_all();
5058 #endif
5059
5060   if (global.autoplay_leveldir)
5061   {
5062     AutoPlayTape();
5063     return;
5064   }
5065   else if (global.convert_leveldir)
5066   {
5067     ConvertLevels();
5068     return;
5069   }
5070
5071   game_status = GAME_MODE_MAIN;
5072
5073   DrawMainMenu();
5074
5075   InitNetworkServer();
5076 }
5077
5078 void CloseAllAndExit(int exit_value)
5079 {
5080   StopSounds();
5081   FreeAllSounds();
5082   FreeAllMusic();
5083   CloseAudio();         /* called after freeing sounds (needed for SDL) */
5084
5085 #if 1
5086   em_close_all();
5087 #endif
5088
5089   FreeAllImages();
5090
5091 #if defined(TARGET_SDL)
5092   if (network_server)   /* terminate network server */
5093     SDL_KillThread(server_thread);
5094 #endif
5095
5096   CloseVideoDisplay();
5097   ClosePlatformDependentStuff();
5098
5099   if (exit_value != 0)
5100     NotifyUserAboutErrorFile();
5101
5102   exit(exit_value);
5103 }