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_TRAP_ACTIVE,
2027     EL_SP_BUGGY_BASE_ACTIVE,
2028     EL_EMC_PLANT,
2029 #endif
2030
2031     -1
2032   };
2033
2034   static int ep_collectible_only[] =
2035   {
2036     EL_BD_DIAMOND,
2037     EL_EMERALD,
2038     EL_DIAMOND,
2039     EL_EMERALD_YELLOW,
2040     EL_EMERALD_RED,
2041     EL_EMERALD_PURPLE,
2042     EL_KEY_1,
2043     EL_KEY_2,
2044     EL_KEY_3,
2045     EL_KEY_4,
2046     EL_EM_KEY_1,
2047     EL_EM_KEY_2,
2048     EL_EM_KEY_3,
2049     EL_EM_KEY_4,
2050     EL_EMC_KEY_5,
2051     EL_EMC_KEY_6,
2052     EL_EMC_KEY_7,
2053     EL_EMC_KEY_8,
2054     EL_DYNAMITE,
2055     EL_EM_DYNAMITE,
2056     EL_DYNABOMB_INCREASE_NUMBER,
2057     EL_DYNABOMB_INCREASE_SIZE,
2058     EL_DYNABOMB_INCREASE_POWER,
2059     EL_SP_INFOTRON,
2060     EL_SP_DISK_RED,
2061     EL_PEARL,
2062     EL_CRYSTAL,
2063     EL_KEY_WHITE,
2064     EL_SHIELD_NORMAL,
2065     EL_SHIELD_DEADLY,
2066     EL_EXTRA_TIME,
2067     EL_ENVELOPE_1,
2068     EL_ENVELOPE_2,
2069     EL_ENVELOPE_3,
2070     EL_ENVELOPE_4,
2071     EL_SPEED_PILL,
2072     EL_EMC_LENSES,
2073     EL_EMC_MAGNIFIER,
2074
2075     -1
2076   };
2077
2078   static int ep_dont_run_into[] =
2079   {
2080     /* same elements as in 'ep_dont_touch' */
2081     EL_BUG,
2082     EL_SPACESHIP,
2083     EL_BD_BUTTERFLY,
2084     EL_BD_FIREFLY,
2085
2086     /* same elements as in 'ep_dont_collide_with' */
2087     EL_YAMYAM,
2088     EL_DARK_YAMYAM,
2089     EL_ROBOT,
2090     EL_PACMAN,
2091     EL_SP_SNIKSNAK,
2092     EL_SP_ELECTRON,
2093
2094     /* new elements */
2095     EL_AMOEBA_DROP,
2096     EL_ACID,
2097
2098     /* !!! maybe this should better be handled by 'ep_diggable' !!! */
2099 #if 1
2100     EL_LANDMINE,
2101     EL_TRAP_ACTIVE,
2102     EL_SP_BUGGY_BASE_ACTIVE,
2103     EL_EMC_PLANT,
2104 #endif
2105
2106     -1
2107   };
2108
2109   static int ep_dont_collide_with[] =
2110   {
2111     /* same elements as in 'ep_dont_touch' */
2112     EL_BUG,
2113     EL_SPACESHIP,
2114     EL_BD_BUTTERFLY,
2115     EL_BD_FIREFLY,
2116
2117     /* new elements */
2118     EL_YAMYAM,
2119     EL_DARK_YAMYAM,
2120     EL_ROBOT,
2121     EL_PACMAN,
2122     EL_SP_SNIKSNAK,
2123     EL_SP_ELECTRON,
2124
2125     -1
2126   };
2127
2128   static int ep_dont_touch[] =
2129   {
2130     EL_BUG,
2131     EL_SPACESHIP,
2132     EL_BD_BUTTERFLY,
2133     EL_BD_FIREFLY,
2134
2135     -1
2136   };
2137
2138   static int ep_indestructible[] =
2139   {
2140     EL_STEELWALL,
2141     EL_ACID,
2142     EL_ACID_POOL_TOPLEFT,
2143     EL_ACID_POOL_TOPRIGHT,
2144     EL_ACID_POOL_BOTTOMLEFT,
2145     EL_ACID_POOL_BOTTOM,
2146     EL_ACID_POOL_BOTTOMRIGHT,
2147     EL_SP_HARDWARE_GRAY,
2148     EL_SP_HARDWARE_GREEN,
2149     EL_SP_HARDWARE_BLUE,
2150     EL_SP_HARDWARE_RED,
2151     EL_SP_HARDWARE_YELLOW,
2152     EL_SP_HARDWARE_BASE_1,
2153     EL_SP_HARDWARE_BASE_2,
2154     EL_SP_HARDWARE_BASE_3,
2155     EL_SP_HARDWARE_BASE_4,
2156     EL_SP_HARDWARE_BASE_5,
2157     EL_SP_HARDWARE_BASE_6,
2158     EL_INVISIBLE_STEELWALL,
2159     EL_INVISIBLE_STEELWALL_ACTIVE,
2160     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2161     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2162     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2163     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2164     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2165     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2166     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2167     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2168     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2169     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2170     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2171     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2172     EL_LIGHT_SWITCH,
2173     EL_LIGHT_SWITCH_ACTIVE,
2174     EL_SIGN_EXCLAMATION,
2175     EL_SIGN_RADIOACTIVITY,
2176     EL_SIGN_STOP,
2177     EL_SIGN_WHEELCHAIR,
2178     EL_SIGN_PARKING,
2179     EL_SIGN_ONEWAY,
2180     EL_SIGN_HEART,
2181     EL_SIGN_TRIANGLE,
2182     EL_SIGN_ROUND,
2183     EL_SIGN_EXIT,
2184     EL_SIGN_YINYANG,
2185     EL_SIGN_OTHER,
2186     EL_STEELWALL_SLIPPERY,
2187     EL_EMC_STEELWALL_1,
2188     EL_EMC_STEELWALL_2,
2189     EL_EMC_STEELWALL_3,
2190     EL_EMC_STEELWALL_4,
2191     EL_CRYSTAL,
2192     EL_GATE_1,
2193     EL_GATE_2,
2194     EL_GATE_3,
2195     EL_GATE_4,
2196     EL_GATE_1_GRAY,
2197     EL_GATE_2_GRAY,
2198     EL_GATE_3_GRAY,
2199     EL_GATE_4_GRAY,
2200     EL_GATE_1_GRAY_ACTIVE,
2201     EL_GATE_2_GRAY_ACTIVE,
2202     EL_GATE_3_GRAY_ACTIVE,
2203     EL_GATE_4_GRAY_ACTIVE,
2204     EL_EM_GATE_1,
2205     EL_EM_GATE_2,
2206     EL_EM_GATE_3,
2207     EL_EM_GATE_4,
2208     EL_EM_GATE_1_GRAY,
2209     EL_EM_GATE_2_GRAY,
2210     EL_EM_GATE_3_GRAY,
2211     EL_EM_GATE_4_GRAY,
2212     EL_EM_GATE_1_GRAY_ACTIVE,
2213     EL_EM_GATE_2_GRAY_ACTIVE,
2214     EL_EM_GATE_3_GRAY_ACTIVE,
2215     EL_EM_GATE_4_GRAY_ACTIVE,
2216     EL_EMC_GATE_5,
2217     EL_EMC_GATE_6,
2218     EL_EMC_GATE_7,
2219     EL_EMC_GATE_8,
2220     EL_EMC_GATE_5_GRAY,
2221     EL_EMC_GATE_6_GRAY,
2222     EL_EMC_GATE_7_GRAY,
2223     EL_EMC_GATE_8_GRAY,
2224     EL_EMC_GATE_5_GRAY_ACTIVE,
2225     EL_EMC_GATE_6_GRAY_ACTIVE,
2226     EL_EMC_GATE_7_GRAY_ACTIVE,
2227     EL_EMC_GATE_8_GRAY_ACTIVE,
2228     EL_SWITCHGATE_OPEN,
2229     EL_SWITCHGATE_OPENING,
2230     EL_SWITCHGATE_CLOSED,
2231     EL_SWITCHGATE_CLOSING,
2232 #if 0
2233     EL_SWITCHGATE_SWITCH_UP,
2234     EL_SWITCHGATE_SWITCH_DOWN,
2235 #endif
2236     EL_TIMEGATE_OPEN,
2237     EL_TIMEGATE_OPENING,
2238     EL_TIMEGATE_CLOSED,
2239     EL_TIMEGATE_CLOSING,
2240 #if 0
2241     EL_TIMEGATE_SWITCH,
2242     EL_TIMEGATE_SWITCH_ACTIVE,
2243 #endif
2244     EL_TUBE_ANY,
2245     EL_TUBE_VERTICAL,
2246     EL_TUBE_HORIZONTAL,
2247     EL_TUBE_VERTICAL_LEFT,
2248     EL_TUBE_VERTICAL_RIGHT,
2249     EL_TUBE_HORIZONTAL_UP,
2250     EL_TUBE_HORIZONTAL_DOWN,
2251     EL_TUBE_LEFT_UP,
2252     EL_TUBE_LEFT_DOWN,
2253     EL_TUBE_RIGHT_UP,
2254     EL_TUBE_RIGHT_DOWN,
2255
2256     -1
2257   };
2258
2259   static int ep_slippery[] =
2260   {
2261     EL_WALL_SLIPPERY,
2262     EL_BD_WALL,
2263     EL_ROCK,
2264     EL_BD_ROCK,
2265     EL_EMERALD,
2266     EL_BD_DIAMOND,
2267     EL_EMERALD_YELLOW,
2268     EL_EMERALD_RED,
2269     EL_EMERALD_PURPLE,
2270     EL_DIAMOND,
2271     EL_BOMB,
2272     EL_NUT,
2273     EL_ROBOT_WHEEL_ACTIVE,
2274     EL_ROBOT_WHEEL,
2275     EL_TIME_ORB_FULL,
2276     EL_TIME_ORB_EMPTY,
2277     EL_LAMP_ACTIVE,
2278     EL_LAMP,
2279     EL_ACID_POOL_TOPLEFT,
2280     EL_ACID_POOL_TOPRIGHT,
2281     EL_SATELLITE,
2282     EL_SP_ZONK,
2283     EL_SP_INFOTRON,
2284     EL_SP_CHIP_SINGLE,
2285     EL_SP_CHIP_LEFT,
2286     EL_SP_CHIP_RIGHT,
2287     EL_SP_CHIP_TOP,
2288     EL_SP_CHIP_BOTTOM,
2289     EL_SPEED_PILL,
2290     EL_STEELWALL_SLIPPERY,
2291     EL_PEARL,
2292     EL_CRYSTAL,
2293     EL_EMC_WALL_SLIPPERY_1,
2294     EL_EMC_WALL_SLIPPERY_2,
2295     EL_EMC_WALL_SLIPPERY_3,
2296     EL_EMC_WALL_SLIPPERY_4,
2297     EL_EMC_MAGIC_BALL,
2298     EL_EMC_MAGIC_BALL_ACTIVE,
2299
2300     -1
2301   };
2302
2303   static int ep_can_change[] =
2304   {
2305     -1
2306   };
2307
2308   static int ep_can_move[] =
2309   {
2310     /* same elements as in 'pb_can_move_into_acid' */
2311     EL_BUG,
2312     EL_SPACESHIP,
2313     EL_BD_BUTTERFLY,
2314     EL_BD_FIREFLY,
2315     EL_YAMYAM,
2316     EL_DARK_YAMYAM,
2317     EL_ROBOT,
2318     EL_PACMAN,
2319     EL_MOLE,
2320     EL_PENGUIN,
2321     EL_PIG,
2322     EL_DRAGON,
2323     EL_SATELLITE,
2324     EL_SP_SNIKSNAK,
2325     EL_SP_ELECTRON,
2326     EL_BALLOON,
2327     EL_SPRING,
2328     EL_EMC_ANDROID,
2329
2330     -1
2331   };
2332
2333   static int ep_can_fall[] =
2334   {
2335     EL_ROCK,
2336     EL_BD_ROCK,
2337     EL_EMERALD,
2338     EL_BD_DIAMOND,
2339     EL_EMERALD_YELLOW,
2340     EL_EMERALD_RED,
2341     EL_EMERALD_PURPLE,
2342     EL_DIAMOND,
2343     EL_BOMB,
2344     EL_NUT,
2345     EL_AMOEBA_DROP,
2346     EL_QUICKSAND_FULL,
2347     EL_MAGIC_WALL_FULL,
2348     EL_BD_MAGIC_WALL_FULL,
2349     EL_TIME_ORB_FULL,
2350     EL_TIME_ORB_EMPTY,
2351     EL_SP_ZONK,
2352     EL_SP_INFOTRON,
2353     EL_SP_DISK_ORANGE,
2354     EL_PEARL,
2355     EL_CRYSTAL,
2356     EL_SPRING,
2357     EL_DX_SUPABOMB,
2358
2359     -1
2360   };
2361
2362   static int ep_can_smash_player[] =
2363   {
2364     EL_ROCK,
2365     EL_BD_ROCK,
2366     EL_EMERALD,
2367     EL_BD_DIAMOND,
2368     EL_EMERALD_YELLOW,
2369     EL_EMERALD_RED,
2370     EL_EMERALD_PURPLE,
2371     EL_DIAMOND,
2372     EL_BOMB,
2373     EL_NUT,
2374     EL_AMOEBA_DROP,
2375     EL_TIME_ORB_FULL,
2376     EL_TIME_ORB_EMPTY,
2377     EL_SP_ZONK,
2378     EL_SP_INFOTRON,
2379     EL_SP_DISK_ORANGE,
2380     EL_PEARL,
2381     EL_CRYSTAL,
2382     EL_SPRING,
2383     EL_DX_SUPABOMB,
2384
2385     -1
2386   };
2387
2388   static int ep_can_smash_enemies[] =
2389   {
2390     EL_ROCK,
2391     EL_BD_ROCK,
2392     EL_SP_ZONK,
2393
2394     -1
2395   };
2396
2397   static int ep_can_smash_everything[] =
2398   {
2399     EL_ROCK,
2400     EL_BD_ROCK,
2401     EL_SP_ZONK,
2402
2403     -1
2404   };
2405
2406   static int ep_explodes_by_fire[] =
2407   {
2408     /* same elements as in 'ep_explodes_impact' */
2409     EL_BOMB,
2410     EL_SP_DISK_ORANGE,
2411     EL_DX_SUPABOMB,
2412
2413     /* same elements as in 'ep_explodes_smashed' */
2414     EL_SATELLITE,
2415     EL_PIG,
2416     EL_DRAGON,
2417     EL_MOLE,
2418
2419     /* new elements */
2420     EL_DYNAMITE,
2421     EL_DYNAMITE_ACTIVE,
2422     EL_EM_DYNAMITE,
2423     EL_EM_DYNAMITE_ACTIVE,
2424     EL_DYNABOMB_PLAYER_1_ACTIVE,
2425     EL_DYNABOMB_PLAYER_2_ACTIVE,
2426     EL_DYNABOMB_PLAYER_3_ACTIVE,
2427     EL_DYNABOMB_PLAYER_4_ACTIVE,
2428     EL_DYNABOMB_INCREASE_NUMBER,
2429     EL_DYNABOMB_INCREASE_SIZE,
2430     EL_DYNABOMB_INCREASE_POWER,
2431     EL_SP_DISK_RED_ACTIVE,
2432     EL_BUG,
2433     EL_PENGUIN,
2434     EL_SP_DISK_RED,
2435     EL_SP_DISK_YELLOW,
2436     EL_SP_SNIKSNAK,
2437     EL_SP_ELECTRON,
2438 #if 0
2439     EL_BLACK_ORB,
2440 #endif
2441
2442     -1
2443   };
2444
2445   static int ep_explodes_smashed[] =
2446   {
2447     /* same elements as in 'ep_explodes_impact' */
2448     EL_BOMB,
2449     EL_SP_DISK_ORANGE,
2450     EL_DX_SUPABOMB,
2451
2452     /* new elements */
2453     EL_SATELLITE,
2454     EL_PIG,
2455     EL_DRAGON,
2456     EL_MOLE,
2457
2458     -1
2459   };
2460
2461   static int ep_explodes_impact[] =
2462   {
2463     EL_BOMB,
2464     EL_SP_DISK_ORANGE,
2465     EL_DX_SUPABOMB,
2466
2467     -1
2468   };
2469
2470   static int ep_walkable_over[] =
2471   {
2472     EL_EMPTY_SPACE,
2473     EL_SP_EMPTY_SPACE,
2474     EL_SOKOBAN_FIELD_EMPTY,
2475     EL_EXIT_OPEN,
2476     EL_SP_EXIT_OPEN,
2477     EL_SP_EXIT_OPENING,
2478     EL_GATE_1,
2479     EL_GATE_2,
2480     EL_GATE_3,
2481     EL_GATE_4,
2482     EL_GATE_1_GRAY,
2483     EL_GATE_2_GRAY,
2484     EL_GATE_3_GRAY,
2485     EL_GATE_4_GRAY,
2486     EL_GATE_1_GRAY_ACTIVE,
2487     EL_GATE_2_GRAY_ACTIVE,
2488     EL_GATE_3_GRAY_ACTIVE,
2489     EL_GATE_4_GRAY_ACTIVE,
2490     EL_PENGUIN,
2491     EL_PIG,
2492     EL_DRAGON,
2493
2494     -1
2495   };
2496
2497   static int ep_walkable_inside[] =
2498   {
2499     EL_TUBE_ANY,
2500     EL_TUBE_VERTICAL,
2501     EL_TUBE_HORIZONTAL,
2502     EL_TUBE_VERTICAL_LEFT,
2503     EL_TUBE_VERTICAL_RIGHT,
2504     EL_TUBE_HORIZONTAL_UP,
2505     EL_TUBE_HORIZONTAL_DOWN,
2506     EL_TUBE_LEFT_UP,
2507     EL_TUBE_LEFT_DOWN,
2508     EL_TUBE_RIGHT_UP,
2509     EL_TUBE_RIGHT_DOWN,
2510
2511     -1
2512   };
2513
2514   static int ep_walkable_under[] =
2515   {
2516     -1
2517   };
2518
2519   static int ep_passable_over[] =
2520   {
2521     EL_EM_GATE_1,
2522     EL_EM_GATE_2,
2523     EL_EM_GATE_3,
2524     EL_EM_GATE_4,
2525     EL_EM_GATE_1_GRAY,
2526     EL_EM_GATE_2_GRAY,
2527     EL_EM_GATE_3_GRAY,
2528     EL_EM_GATE_4_GRAY,
2529     EL_EM_GATE_1_GRAY_ACTIVE,
2530     EL_EM_GATE_2_GRAY_ACTIVE,
2531     EL_EM_GATE_3_GRAY_ACTIVE,
2532     EL_EM_GATE_4_GRAY_ACTIVE,
2533     EL_EMC_GATE_5,
2534     EL_EMC_GATE_6,
2535     EL_EMC_GATE_7,
2536     EL_EMC_GATE_8,
2537     EL_EMC_GATE_5_GRAY,
2538     EL_EMC_GATE_6_GRAY,
2539     EL_EMC_GATE_7_GRAY,
2540     EL_EMC_GATE_8_GRAY,
2541     EL_EMC_GATE_5_GRAY_ACTIVE,
2542     EL_EMC_GATE_6_GRAY_ACTIVE,
2543     EL_EMC_GATE_7_GRAY_ACTIVE,
2544     EL_EMC_GATE_8_GRAY_ACTIVE,
2545     EL_SWITCHGATE_OPEN,
2546     EL_TIMEGATE_OPEN,
2547
2548     -1
2549   };
2550
2551   static int ep_passable_inside[] =
2552   {
2553     EL_SP_PORT_LEFT,
2554     EL_SP_PORT_RIGHT,
2555     EL_SP_PORT_UP,
2556     EL_SP_PORT_DOWN,
2557     EL_SP_PORT_HORIZONTAL,
2558     EL_SP_PORT_VERTICAL,
2559     EL_SP_PORT_ANY,
2560     EL_SP_GRAVITY_PORT_LEFT,
2561     EL_SP_GRAVITY_PORT_RIGHT,
2562     EL_SP_GRAVITY_PORT_UP,
2563     EL_SP_GRAVITY_PORT_DOWN,
2564     EL_SP_GRAVITY_ON_PORT_LEFT,
2565     EL_SP_GRAVITY_ON_PORT_RIGHT,
2566     EL_SP_GRAVITY_ON_PORT_UP,
2567     EL_SP_GRAVITY_ON_PORT_DOWN,
2568     EL_SP_GRAVITY_OFF_PORT_LEFT,
2569     EL_SP_GRAVITY_OFF_PORT_RIGHT,
2570     EL_SP_GRAVITY_OFF_PORT_UP,
2571     EL_SP_GRAVITY_OFF_PORT_DOWN,
2572
2573     -1
2574   };
2575
2576   static int ep_passable_under[] =
2577   {
2578     -1
2579   };
2580
2581   static int ep_droppable[] =
2582   {
2583     -1
2584   };
2585
2586   static int ep_explodes_1x1_old[] =
2587   {
2588     -1
2589   };
2590
2591   static int ep_pushable[] =
2592   {
2593     EL_ROCK,
2594     EL_BOMB,
2595     EL_DX_SUPABOMB,
2596     EL_NUT,
2597     EL_TIME_ORB_EMPTY,
2598     EL_SP_ZONK,
2599     EL_SP_DISK_ORANGE,
2600     EL_SPRING,
2601     EL_BD_ROCK,
2602     EL_SOKOBAN_OBJECT,
2603     EL_SOKOBAN_FIELD_FULL,
2604     EL_SATELLITE,
2605     EL_SP_DISK_YELLOW,
2606     EL_BALLOON,
2607     EL_EMC_ANDROID,
2608
2609     -1
2610   };
2611
2612   static int ep_explodes_cross_old[] =
2613   {
2614     -1
2615   };
2616
2617   static int ep_protected[] =
2618   {
2619     /* same elements as in 'ep_walkable_inside' */
2620     EL_TUBE_ANY,
2621     EL_TUBE_VERTICAL,
2622     EL_TUBE_HORIZONTAL,
2623     EL_TUBE_VERTICAL_LEFT,
2624     EL_TUBE_VERTICAL_RIGHT,
2625     EL_TUBE_HORIZONTAL_UP,
2626     EL_TUBE_HORIZONTAL_DOWN,
2627     EL_TUBE_LEFT_UP,
2628     EL_TUBE_LEFT_DOWN,
2629     EL_TUBE_RIGHT_UP,
2630     EL_TUBE_RIGHT_DOWN,
2631
2632     /* same elements as in 'ep_passable_over' */
2633     EL_EM_GATE_1,
2634     EL_EM_GATE_2,
2635     EL_EM_GATE_3,
2636     EL_EM_GATE_4,
2637     EL_EM_GATE_1_GRAY,
2638     EL_EM_GATE_2_GRAY,
2639     EL_EM_GATE_3_GRAY,
2640     EL_EM_GATE_4_GRAY,
2641     EL_EM_GATE_1_GRAY_ACTIVE,
2642     EL_EM_GATE_2_GRAY_ACTIVE,
2643     EL_EM_GATE_3_GRAY_ACTIVE,
2644     EL_EM_GATE_4_GRAY_ACTIVE,
2645     EL_EMC_GATE_5,
2646     EL_EMC_GATE_6,
2647     EL_EMC_GATE_7,
2648     EL_EMC_GATE_8,
2649     EL_EMC_GATE_5_GRAY,
2650     EL_EMC_GATE_6_GRAY,
2651     EL_EMC_GATE_7_GRAY,
2652     EL_EMC_GATE_8_GRAY,
2653     EL_EMC_GATE_5_GRAY_ACTIVE,
2654     EL_EMC_GATE_6_GRAY_ACTIVE,
2655     EL_EMC_GATE_7_GRAY_ACTIVE,
2656     EL_EMC_GATE_8_GRAY_ACTIVE,
2657     EL_SWITCHGATE_OPEN,
2658     EL_TIMEGATE_OPEN,
2659
2660     /* same elements as in 'ep_passable_inside' */
2661     EL_SP_PORT_LEFT,
2662     EL_SP_PORT_RIGHT,
2663     EL_SP_PORT_UP,
2664     EL_SP_PORT_DOWN,
2665     EL_SP_PORT_HORIZONTAL,
2666     EL_SP_PORT_VERTICAL,
2667     EL_SP_PORT_ANY,
2668     EL_SP_GRAVITY_PORT_LEFT,
2669     EL_SP_GRAVITY_PORT_RIGHT,
2670     EL_SP_GRAVITY_PORT_UP,
2671     EL_SP_GRAVITY_PORT_DOWN,
2672     EL_SP_GRAVITY_ON_PORT_LEFT,
2673     EL_SP_GRAVITY_ON_PORT_RIGHT,
2674     EL_SP_GRAVITY_ON_PORT_UP,
2675     EL_SP_GRAVITY_ON_PORT_DOWN,
2676     EL_SP_GRAVITY_OFF_PORT_LEFT,
2677     EL_SP_GRAVITY_OFF_PORT_RIGHT,
2678     EL_SP_GRAVITY_OFF_PORT_UP,
2679     EL_SP_GRAVITY_OFF_PORT_DOWN,
2680
2681     -1
2682   };
2683
2684   static int ep_throwable[] =
2685   {
2686     -1
2687   };
2688
2689   static int ep_can_explode[] =
2690   {
2691     /* same elements as in 'ep_explodes_impact' */
2692     EL_BOMB,
2693     EL_SP_DISK_ORANGE,
2694     EL_DX_SUPABOMB,
2695
2696     /* same elements as in 'ep_explodes_smashed' */
2697     EL_SATELLITE,
2698     EL_PIG,
2699     EL_DRAGON,
2700     EL_MOLE,
2701
2702     /* elements that can explode by explosion or by dragonfire */
2703     EL_DYNAMITE,
2704     EL_DYNAMITE_ACTIVE,
2705     EL_EM_DYNAMITE,
2706     EL_EM_DYNAMITE_ACTIVE,
2707     EL_DYNABOMB_PLAYER_1_ACTIVE,
2708     EL_DYNABOMB_PLAYER_2_ACTIVE,
2709     EL_DYNABOMB_PLAYER_3_ACTIVE,
2710     EL_DYNABOMB_PLAYER_4_ACTIVE,
2711     EL_DYNABOMB_INCREASE_NUMBER,
2712     EL_DYNABOMB_INCREASE_SIZE,
2713     EL_DYNABOMB_INCREASE_POWER,
2714     EL_SP_DISK_RED_ACTIVE,
2715     EL_BUG,
2716     EL_PENGUIN,
2717     EL_SP_DISK_RED,
2718     EL_SP_DISK_YELLOW,
2719     EL_SP_SNIKSNAK,
2720     EL_SP_ELECTRON,
2721
2722     /* elements that can explode only by explosion */
2723     EL_BLACK_ORB,
2724
2725     -1
2726   };
2727
2728   static int ep_gravity_reachable[] =
2729   {
2730     EL_SAND,
2731     EL_SP_BASE,
2732     EL_TRAP,
2733     EL_INVISIBLE_SAND,
2734     EL_INVISIBLE_SAND_ACTIVE,
2735     EL_SP_PORT_LEFT,
2736     EL_SP_PORT_RIGHT,
2737     EL_SP_PORT_UP,
2738     EL_SP_PORT_DOWN,
2739     EL_SP_PORT_HORIZONTAL,
2740     EL_SP_PORT_VERTICAL,
2741     EL_SP_PORT_ANY,
2742     EL_SP_GRAVITY_PORT_LEFT,
2743     EL_SP_GRAVITY_PORT_RIGHT,
2744     EL_SP_GRAVITY_PORT_UP,
2745     EL_SP_GRAVITY_PORT_DOWN,
2746     EL_SP_GRAVITY_ON_PORT_LEFT,
2747     EL_SP_GRAVITY_ON_PORT_RIGHT,
2748     EL_SP_GRAVITY_ON_PORT_UP,
2749     EL_SP_GRAVITY_ON_PORT_DOWN,
2750     EL_SP_GRAVITY_OFF_PORT_LEFT,
2751     EL_SP_GRAVITY_OFF_PORT_RIGHT,
2752     EL_SP_GRAVITY_OFF_PORT_UP,
2753     EL_SP_GRAVITY_OFF_PORT_DOWN,
2754     EL_EMC_GRASS,
2755
2756     -1
2757   };
2758
2759   static int ep_player[] =
2760   {
2761     EL_PLAYER_1,
2762     EL_PLAYER_2,
2763     EL_PLAYER_3,
2764     EL_PLAYER_4,
2765     EL_SP_MURPHY,
2766     EL_SOKOBAN_FIELD_PLAYER,
2767     EL_TRIGGER_PLAYER,
2768
2769     -1
2770   };
2771
2772   static int ep_can_pass_magic_wall[] =
2773   {
2774     EL_ROCK,
2775     EL_BD_ROCK,
2776     EL_EMERALD,
2777     EL_BD_DIAMOND,
2778     EL_EMERALD_YELLOW,
2779     EL_EMERALD_RED,
2780     EL_EMERALD_PURPLE,
2781     EL_DIAMOND,
2782
2783     -1
2784   };
2785
2786   static int ep_switchable[] =
2787   {
2788     EL_ROBOT_WHEEL,
2789     EL_SP_TERMINAL,
2790     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2791     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2792     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2793     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2794     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2795     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2796     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2797     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2798     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2799     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2800     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2801     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2802     EL_SWITCHGATE_SWITCH_UP,
2803     EL_SWITCHGATE_SWITCH_DOWN,
2804     EL_LIGHT_SWITCH,
2805     EL_LIGHT_SWITCH_ACTIVE,
2806     EL_TIMEGATE_SWITCH,
2807     EL_BALLOON_SWITCH_LEFT,
2808     EL_BALLOON_SWITCH_RIGHT,
2809     EL_BALLOON_SWITCH_UP,
2810     EL_BALLOON_SWITCH_DOWN,
2811     EL_BALLOON_SWITCH_ANY,
2812     EL_BALLOON_SWITCH_NONE,
2813     EL_LAMP,
2814     EL_TIME_ORB_FULL,
2815     EL_EMC_MAGIC_BALL_SWITCH,
2816     EL_EMC_MAGIC_BALL_SWITCH_ACTIVE,
2817
2818     -1
2819   };
2820
2821   static int ep_bd_element[] =
2822   {
2823     EL_EMPTY,
2824     EL_SAND,
2825     EL_WALL_SLIPPERY,
2826     EL_BD_WALL,
2827     EL_ROCK,
2828     EL_BD_ROCK,
2829     EL_BD_DIAMOND,
2830     EL_BD_MAGIC_WALL,
2831     EL_EXIT_CLOSED,
2832     EL_EXIT_OPEN,
2833     EL_STEELWALL,
2834     EL_PLAYER_1,
2835     EL_PLAYER_2,
2836     EL_PLAYER_3,
2837     EL_PLAYER_4,
2838     EL_BD_FIREFLY,
2839     EL_BD_FIREFLY_1,
2840     EL_BD_FIREFLY_2,
2841     EL_BD_FIREFLY_3,
2842     EL_BD_FIREFLY_4,
2843     EL_BD_BUTTERFLY,
2844     EL_BD_BUTTERFLY_1,
2845     EL_BD_BUTTERFLY_2,
2846     EL_BD_BUTTERFLY_3,
2847     EL_BD_BUTTERFLY_4,
2848     EL_BD_AMOEBA,
2849     EL_CHAR_QUESTION,
2850     EL_UNKNOWN,
2851
2852     -1
2853   };
2854
2855   static int ep_sp_element[] =
2856   {
2857     /* should always be valid */
2858     EL_EMPTY,
2859
2860     /* standard classic Supaplex elements */
2861     EL_SP_EMPTY,
2862     EL_SP_ZONK,
2863     EL_SP_BASE,
2864     EL_SP_MURPHY,
2865     EL_SP_INFOTRON,
2866     EL_SP_CHIP_SINGLE,
2867     EL_SP_HARDWARE_GRAY,
2868     EL_SP_EXIT_CLOSED,
2869     EL_SP_EXIT_OPEN,
2870     EL_SP_DISK_ORANGE,
2871     EL_SP_PORT_RIGHT,
2872     EL_SP_PORT_DOWN,
2873     EL_SP_PORT_LEFT,
2874     EL_SP_PORT_UP,
2875     EL_SP_GRAVITY_PORT_RIGHT,
2876     EL_SP_GRAVITY_PORT_DOWN,
2877     EL_SP_GRAVITY_PORT_LEFT,
2878     EL_SP_GRAVITY_PORT_UP,
2879     EL_SP_SNIKSNAK,
2880     EL_SP_DISK_YELLOW,
2881     EL_SP_TERMINAL,
2882     EL_SP_DISK_RED,
2883     EL_SP_PORT_VERTICAL,
2884     EL_SP_PORT_HORIZONTAL,
2885     EL_SP_PORT_ANY,
2886     EL_SP_ELECTRON,
2887     EL_SP_BUGGY_BASE,
2888     EL_SP_CHIP_LEFT,
2889     EL_SP_CHIP_RIGHT,
2890     EL_SP_HARDWARE_BASE_1,
2891     EL_SP_HARDWARE_GREEN,
2892     EL_SP_HARDWARE_BLUE,
2893     EL_SP_HARDWARE_RED,
2894     EL_SP_HARDWARE_YELLOW,
2895     EL_SP_HARDWARE_BASE_2,
2896     EL_SP_HARDWARE_BASE_3,
2897     EL_SP_HARDWARE_BASE_4,
2898     EL_SP_HARDWARE_BASE_5,
2899     EL_SP_HARDWARE_BASE_6,
2900     EL_SP_CHIP_TOP,
2901     EL_SP_CHIP_BOTTOM,
2902
2903     /* additional elements that appeared in newer Supaplex levels */
2904     EL_INVISIBLE_WALL,
2905
2906     /* additional gravity port elements (not switching, but setting gravity) */
2907     EL_SP_GRAVITY_ON_PORT_LEFT,
2908     EL_SP_GRAVITY_ON_PORT_RIGHT,
2909     EL_SP_GRAVITY_ON_PORT_UP,
2910     EL_SP_GRAVITY_ON_PORT_DOWN,
2911     EL_SP_GRAVITY_OFF_PORT_LEFT,
2912     EL_SP_GRAVITY_OFF_PORT_RIGHT,
2913     EL_SP_GRAVITY_OFF_PORT_UP,
2914     EL_SP_GRAVITY_OFF_PORT_DOWN,
2915
2916     /* more than one Murphy in a level results in an inactive clone */
2917     EL_SP_MURPHY_CLONE,
2918
2919     /* runtime Supaplex elements */
2920     EL_SP_DISK_RED_ACTIVE,
2921     EL_SP_TERMINAL_ACTIVE,
2922     EL_SP_BUGGY_BASE_ACTIVATING,
2923     EL_SP_BUGGY_BASE_ACTIVE,
2924     EL_SP_EXIT_OPENING,
2925     EL_SP_EXIT_CLOSING,
2926
2927     -1
2928   };
2929
2930   static int ep_sb_element[] =
2931   {
2932     EL_EMPTY,
2933     EL_STEELWALL,
2934     EL_SOKOBAN_OBJECT,
2935     EL_SOKOBAN_FIELD_EMPTY,
2936     EL_SOKOBAN_FIELD_FULL,
2937     EL_SOKOBAN_FIELD_PLAYER,
2938     EL_PLAYER_1,
2939     EL_PLAYER_2,
2940     EL_PLAYER_3,
2941     EL_PLAYER_4,
2942     EL_INVISIBLE_STEELWALL,
2943
2944     -1
2945   };
2946
2947   static int ep_gem[] =
2948   {
2949     EL_BD_DIAMOND,
2950     EL_EMERALD,
2951     EL_EMERALD_YELLOW,
2952     EL_EMERALD_RED,
2953     EL_EMERALD_PURPLE,
2954     EL_DIAMOND,
2955
2956     -1
2957   };
2958
2959   static int ep_food_dark_yamyam[] =
2960   {
2961     EL_SAND,
2962     EL_BUG,
2963     EL_SPACESHIP,
2964     EL_BD_BUTTERFLY,
2965     EL_BD_FIREFLY,
2966     EL_YAMYAM,
2967     EL_ROBOT,
2968     EL_PACMAN,
2969     EL_AMOEBA_DROP,
2970     EL_AMOEBA_DEAD,
2971     EL_AMOEBA_WET,
2972     EL_AMOEBA_DRY,
2973     EL_AMOEBA_FULL,
2974     EL_BD_AMOEBA,
2975     EL_EMERALD,
2976     EL_BD_DIAMOND,
2977     EL_EMERALD_YELLOW,
2978     EL_EMERALD_RED,
2979     EL_EMERALD_PURPLE,
2980     EL_DIAMOND,
2981     EL_PEARL,
2982     EL_CRYSTAL,
2983
2984     -1
2985   };
2986
2987   static int ep_food_penguin[] =
2988   {
2989     EL_EMERALD,
2990     EL_BD_DIAMOND,
2991     EL_EMERALD_YELLOW,
2992     EL_EMERALD_RED,
2993     EL_EMERALD_PURPLE,
2994     EL_DIAMOND,
2995     EL_PEARL,
2996     EL_CRYSTAL,
2997
2998     -1
2999   };
3000
3001   static int ep_food_pig[] =
3002   {
3003     EL_EMERALD,
3004     EL_BD_DIAMOND,
3005     EL_EMERALD_YELLOW,
3006     EL_EMERALD_RED,
3007     EL_EMERALD_PURPLE,
3008     EL_DIAMOND,
3009
3010     -1
3011   };
3012
3013   static int ep_historic_wall[] =
3014   {
3015     EL_STEELWALL,
3016     EL_GATE_1,
3017     EL_GATE_2,
3018     EL_GATE_3,
3019     EL_GATE_4,
3020     EL_GATE_1_GRAY,
3021     EL_GATE_2_GRAY,
3022     EL_GATE_3_GRAY,
3023     EL_GATE_4_GRAY,
3024     EL_GATE_1_GRAY_ACTIVE,
3025     EL_GATE_2_GRAY_ACTIVE,
3026     EL_GATE_3_GRAY_ACTIVE,
3027     EL_GATE_4_GRAY_ACTIVE,
3028     EL_EM_GATE_1,
3029     EL_EM_GATE_2,
3030     EL_EM_GATE_3,
3031     EL_EM_GATE_4,
3032     EL_EM_GATE_1_GRAY,
3033     EL_EM_GATE_2_GRAY,
3034     EL_EM_GATE_3_GRAY,
3035     EL_EM_GATE_4_GRAY,
3036     EL_EM_GATE_1_GRAY_ACTIVE,
3037     EL_EM_GATE_2_GRAY_ACTIVE,
3038     EL_EM_GATE_3_GRAY_ACTIVE,
3039     EL_EM_GATE_4_GRAY_ACTIVE,
3040     EL_EXIT_CLOSED,
3041     EL_EXIT_OPENING,
3042     EL_EXIT_OPEN,
3043     EL_WALL,
3044     EL_WALL_SLIPPERY,
3045     EL_EXPANDABLE_WALL,
3046     EL_EXPANDABLE_WALL_HORIZONTAL,
3047     EL_EXPANDABLE_WALL_VERTICAL,
3048     EL_EXPANDABLE_WALL_ANY,
3049     EL_EXPANDABLE_WALL_GROWING,
3050     EL_BD_EXPANDABLE_WALL,
3051     EL_BD_WALL,
3052     EL_SP_CHIP_SINGLE,
3053     EL_SP_CHIP_LEFT,
3054     EL_SP_CHIP_RIGHT,
3055     EL_SP_CHIP_TOP,
3056     EL_SP_CHIP_BOTTOM,
3057     EL_SP_HARDWARE_GRAY,
3058     EL_SP_HARDWARE_GREEN,
3059     EL_SP_HARDWARE_BLUE,
3060     EL_SP_HARDWARE_RED,
3061     EL_SP_HARDWARE_YELLOW,
3062     EL_SP_HARDWARE_BASE_1,
3063     EL_SP_HARDWARE_BASE_2,
3064     EL_SP_HARDWARE_BASE_3,
3065     EL_SP_HARDWARE_BASE_4,
3066     EL_SP_HARDWARE_BASE_5,
3067     EL_SP_HARDWARE_BASE_6,
3068     EL_SP_TERMINAL,
3069     EL_SP_TERMINAL_ACTIVE,
3070     EL_SP_EXIT_CLOSED,
3071     EL_SP_EXIT_OPEN,
3072     EL_INVISIBLE_STEELWALL,
3073     EL_INVISIBLE_STEELWALL_ACTIVE,
3074     EL_INVISIBLE_WALL,
3075     EL_INVISIBLE_WALL_ACTIVE,
3076     EL_STEELWALL_SLIPPERY,
3077     EL_EMC_STEELWALL_1,
3078     EL_EMC_STEELWALL_2,
3079     EL_EMC_STEELWALL_3,
3080     EL_EMC_STEELWALL_4,
3081     EL_EMC_WALL_1,
3082     EL_EMC_WALL_2,
3083     EL_EMC_WALL_3,
3084     EL_EMC_WALL_4,
3085     EL_EMC_WALL_5,
3086     EL_EMC_WALL_6,
3087     EL_EMC_WALL_7,
3088     EL_EMC_WALL_8,
3089
3090     -1
3091   };
3092
3093   static int ep_historic_solid[] =
3094   {
3095     EL_WALL,
3096     EL_EXPANDABLE_WALL,
3097     EL_EXPANDABLE_WALL_HORIZONTAL,
3098     EL_EXPANDABLE_WALL_VERTICAL,
3099     EL_EXPANDABLE_WALL_ANY,
3100     EL_BD_EXPANDABLE_WALL,
3101     EL_BD_WALL,
3102     EL_WALL_SLIPPERY,
3103     EL_EXIT_CLOSED,
3104     EL_EXIT_OPENING,
3105     EL_EXIT_OPEN,
3106     EL_AMOEBA_DEAD,
3107     EL_AMOEBA_WET,
3108     EL_AMOEBA_DRY,
3109     EL_AMOEBA_FULL,
3110     EL_BD_AMOEBA,
3111     EL_QUICKSAND_EMPTY,
3112     EL_QUICKSAND_FULL,
3113     EL_QUICKSAND_FILLING,
3114     EL_QUICKSAND_EMPTYING,
3115     EL_MAGIC_WALL,
3116     EL_MAGIC_WALL_ACTIVE,
3117     EL_MAGIC_WALL_EMPTYING,
3118     EL_MAGIC_WALL_FILLING,
3119     EL_MAGIC_WALL_FULL,
3120     EL_MAGIC_WALL_DEAD,
3121     EL_BD_MAGIC_WALL,
3122     EL_BD_MAGIC_WALL_ACTIVE,
3123     EL_BD_MAGIC_WALL_EMPTYING,
3124     EL_BD_MAGIC_WALL_FULL,
3125     EL_BD_MAGIC_WALL_FILLING,
3126     EL_BD_MAGIC_WALL_DEAD,
3127     EL_GAME_OF_LIFE,
3128     EL_BIOMAZE,
3129     EL_SP_CHIP_SINGLE,
3130     EL_SP_CHIP_LEFT,
3131     EL_SP_CHIP_RIGHT,
3132     EL_SP_CHIP_TOP,
3133     EL_SP_CHIP_BOTTOM,
3134     EL_SP_TERMINAL,
3135     EL_SP_TERMINAL_ACTIVE,
3136     EL_SP_EXIT_CLOSED,
3137     EL_SP_EXIT_OPEN,
3138     EL_INVISIBLE_WALL,
3139     EL_INVISIBLE_WALL_ACTIVE,
3140     EL_SWITCHGATE_SWITCH_UP,
3141     EL_SWITCHGATE_SWITCH_DOWN,
3142     EL_TIMEGATE_SWITCH,
3143     EL_TIMEGATE_SWITCH_ACTIVE,
3144     EL_EMC_WALL_1,
3145     EL_EMC_WALL_2,
3146     EL_EMC_WALL_3,
3147     EL_EMC_WALL_4,
3148     EL_EMC_WALL_5,
3149     EL_EMC_WALL_6,
3150     EL_EMC_WALL_7,
3151     EL_EMC_WALL_8,
3152     EL_WALL_PEARL,
3153     EL_WALL_CRYSTAL,
3154
3155     /* the following elements are a direct copy of "indestructible" elements,
3156        except "EL_ACID", which is "indestructible", but not "solid"! */
3157 #if 0
3158     EL_ACID,
3159 #endif
3160     EL_STEELWALL,
3161     EL_ACID_POOL_TOPLEFT,
3162     EL_ACID_POOL_TOPRIGHT,
3163     EL_ACID_POOL_BOTTOMLEFT,
3164     EL_ACID_POOL_BOTTOM,
3165     EL_ACID_POOL_BOTTOMRIGHT,
3166     EL_SP_HARDWARE_GRAY,
3167     EL_SP_HARDWARE_GREEN,
3168     EL_SP_HARDWARE_BLUE,
3169     EL_SP_HARDWARE_RED,
3170     EL_SP_HARDWARE_YELLOW,
3171     EL_SP_HARDWARE_BASE_1,
3172     EL_SP_HARDWARE_BASE_2,
3173     EL_SP_HARDWARE_BASE_3,
3174     EL_SP_HARDWARE_BASE_4,
3175     EL_SP_HARDWARE_BASE_5,
3176     EL_SP_HARDWARE_BASE_6,
3177     EL_INVISIBLE_STEELWALL,
3178     EL_INVISIBLE_STEELWALL_ACTIVE,
3179     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3180     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3181     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3182     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3183     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3184     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3185     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3186     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3187     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3188     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3189     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3190     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3191     EL_LIGHT_SWITCH,
3192     EL_LIGHT_SWITCH_ACTIVE,
3193     EL_SIGN_EXCLAMATION,
3194     EL_SIGN_RADIOACTIVITY,
3195     EL_SIGN_STOP,
3196     EL_SIGN_WHEELCHAIR,
3197     EL_SIGN_PARKING,
3198     EL_SIGN_ONEWAY,
3199     EL_SIGN_HEART,
3200     EL_SIGN_TRIANGLE,
3201     EL_SIGN_ROUND,
3202     EL_SIGN_EXIT,
3203     EL_SIGN_YINYANG,
3204     EL_SIGN_OTHER,
3205     EL_STEELWALL_SLIPPERY,
3206     EL_EMC_STEELWALL_1,
3207     EL_EMC_STEELWALL_2,
3208     EL_EMC_STEELWALL_3,
3209     EL_EMC_STEELWALL_4,
3210     EL_CRYSTAL,
3211     EL_GATE_1,
3212     EL_GATE_2,
3213     EL_GATE_3,
3214     EL_GATE_4,
3215     EL_GATE_1_GRAY,
3216     EL_GATE_2_GRAY,
3217     EL_GATE_3_GRAY,
3218     EL_GATE_4_GRAY,
3219     EL_GATE_1_GRAY_ACTIVE,
3220     EL_GATE_2_GRAY_ACTIVE,
3221     EL_GATE_3_GRAY_ACTIVE,
3222     EL_GATE_4_GRAY_ACTIVE,
3223     EL_EM_GATE_1,
3224     EL_EM_GATE_2,
3225     EL_EM_GATE_3,
3226     EL_EM_GATE_4,
3227     EL_EM_GATE_1_GRAY,
3228     EL_EM_GATE_2_GRAY,
3229     EL_EM_GATE_3_GRAY,
3230     EL_EM_GATE_4_GRAY,
3231     EL_EM_GATE_1_GRAY_ACTIVE,
3232     EL_EM_GATE_2_GRAY_ACTIVE,
3233     EL_EM_GATE_3_GRAY_ACTIVE,
3234     EL_EM_GATE_4_GRAY_ACTIVE,
3235     EL_SWITCHGATE_OPEN,
3236     EL_SWITCHGATE_OPENING,
3237     EL_SWITCHGATE_CLOSED,
3238     EL_SWITCHGATE_CLOSING,
3239     EL_TIMEGATE_OPEN,
3240     EL_TIMEGATE_OPENING,
3241     EL_TIMEGATE_CLOSED,
3242     EL_TIMEGATE_CLOSING,
3243     EL_TUBE_ANY,
3244     EL_TUBE_VERTICAL,
3245     EL_TUBE_HORIZONTAL,
3246     EL_TUBE_VERTICAL_LEFT,
3247     EL_TUBE_VERTICAL_RIGHT,
3248     EL_TUBE_HORIZONTAL_UP,
3249     EL_TUBE_HORIZONTAL_DOWN,
3250     EL_TUBE_LEFT_UP,
3251     EL_TUBE_LEFT_DOWN,
3252     EL_TUBE_RIGHT_UP,
3253     EL_TUBE_RIGHT_DOWN,
3254
3255     -1
3256   };
3257
3258   static int ep_classic_enemy[] =
3259   {
3260     EL_BUG,
3261     EL_SPACESHIP,
3262     EL_BD_BUTTERFLY,
3263     EL_BD_FIREFLY,
3264
3265     EL_YAMYAM,
3266     EL_DARK_YAMYAM,
3267     EL_ROBOT,
3268     EL_PACMAN,
3269     EL_SP_SNIKSNAK,
3270     EL_SP_ELECTRON,
3271
3272     -1
3273   };
3274
3275   static int ep_belt[] =
3276   {
3277     EL_CONVEYOR_BELT_1_LEFT,
3278     EL_CONVEYOR_BELT_1_MIDDLE,
3279     EL_CONVEYOR_BELT_1_RIGHT,
3280     EL_CONVEYOR_BELT_2_LEFT,
3281     EL_CONVEYOR_BELT_2_MIDDLE,
3282     EL_CONVEYOR_BELT_2_RIGHT,
3283     EL_CONVEYOR_BELT_3_LEFT,
3284     EL_CONVEYOR_BELT_3_MIDDLE,
3285     EL_CONVEYOR_BELT_3_RIGHT,
3286     EL_CONVEYOR_BELT_4_LEFT,
3287     EL_CONVEYOR_BELT_4_MIDDLE,
3288     EL_CONVEYOR_BELT_4_RIGHT,
3289
3290     -1
3291   };
3292
3293   static int ep_belt_active[] =
3294   {
3295     EL_CONVEYOR_BELT_1_LEFT_ACTIVE,
3296     EL_CONVEYOR_BELT_1_MIDDLE_ACTIVE,
3297     EL_CONVEYOR_BELT_1_RIGHT_ACTIVE,
3298     EL_CONVEYOR_BELT_2_LEFT_ACTIVE,
3299     EL_CONVEYOR_BELT_2_MIDDLE_ACTIVE,
3300     EL_CONVEYOR_BELT_2_RIGHT_ACTIVE,
3301     EL_CONVEYOR_BELT_3_LEFT_ACTIVE,
3302     EL_CONVEYOR_BELT_3_MIDDLE_ACTIVE,
3303     EL_CONVEYOR_BELT_3_RIGHT_ACTIVE,
3304     EL_CONVEYOR_BELT_4_LEFT_ACTIVE,
3305     EL_CONVEYOR_BELT_4_MIDDLE_ACTIVE,
3306     EL_CONVEYOR_BELT_4_RIGHT_ACTIVE,
3307
3308     -1
3309   };
3310
3311   static int ep_belt_switch[] =
3312   {
3313     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3314     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3315     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3316     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3317     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3318     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3319     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3320     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3321     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3322     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3323     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3324     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3325
3326     -1
3327   };
3328
3329   static int ep_tube[] =
3330   {
3331     EL_TUBE_LEFT_UP,
3332     EL_TUBE_LEFT_DOWN,
3333     EL_TUBE_RIGHT_UP,
3334     EL_TUBE_RIGHT_DOWN,
3335     EL_TUBE_HORIZONTAL,
3336     EL_TUBE_HORIZONTAL_UP,
3337     EL_TUBE_HORIZONTAL_DOWN,
3338     EL_TUBE_VERTICAL,
3339     EL_TUBE_VERTICAL_LEFT,
3340     EL_TUBE_VERTICAL_RIGHT,
3341     EL_TUBE_ANY,
3342
3343     -1
3344   };
3345
3346   static int ep_keygate[] =
3347   {
3348     EL_GATE_1,
3349     EL_GATE_2,
3350     EL_GATE_3,
3351     EL_GATE_4,
3352     EL_GATE_1_GRAY,
3353     EL_GATE_2_GRAY,
3354     EL_GATE_3_GRAY,
3355     EL_GATE_4_GRAY,
3356     EL_GATE_1_GRAY_ACTIVE,
3357     EL_GATE_2_GRAY_ACTIVE,
3358     EL_GATE_3_GRAY_ACTIVE,
3359     EL_GATE_4_GRAY_ACTIVE,
3360     EL_EM_GATE_1,
3361     EL_EM_GATE_2,
3362     EL_EM_GATE_3,
3363     EL_EM_GATE_4,
3364     EL_EM_GATE_1_GRAY,
3365     EL_EM_GATE_2_GRAY,
3366     EL_EM_GATE_3_GRAY,
3367     EL_EM_GATE_4_GRAY,
3368     EL_EM_GATE_1_GRAY_ACTIVE,
3369     EL_EM_GATE_2_GRAY_ACTIVE,
3370     EL_EM_GATE_3_GRAY_ACTIVE,
3371     EL_EM_GATE_4_GRAY_ACTIVE,
3372     EL_EMC_GATE_5,
3373     EL_EMC_GATE_6,
3374     EL_EMC_GATE_7,
3375     EL_EMC_GATE_8,
3376     EL_EMC_GATE_5_GRAY,
3377     EL_EMC_GATE_6_GRAY,
3378     EL_EMC_GATE_7_GRAY,
3379     EL_EMC_GATE_8_GRAY,
3380     EL_EMC_GATE_5_GRAY_ACTIVE,
3381     EL_EMC_GATE_6_GRAY_ACTIVE,
3382     EL_EMC_GATE_7_GRAY_ACTIVE,
3383     EL_EMC_GATE_8_GRAY_ACTIVE,
3384
3385     -1
3386   };
3387
3388   static int ep_amoeboid[] =
3389   {
3390     EL_AMOEBA_DEAD,
3391     EL_AMOEBA_WET,
3392     EL_AMOEBA_DRY,
3393     EL_AMOEBA_FULL,
3394     EL_BD_AMOEBA,
3395     EL_EMC_DRIPPER,
3396
3397     -1
3398   };
3399
3400   static int ep_amoebalive[] =
3401   {
3402     EL_AMOEBA_WET,
3403     EL_AMOEBA_DRY,
3404     EL_AMOEBA_FULL,
3405     EL_BD_AMOEBA,
3406     EL_EMC_DRIPPER,
3407
3408     -1
3409   };
3410
3411   static int ep_has_editor_content[] =
3412   {
3413     EL_PLAYER_1,
3414     EL_PLAYER_2,
3415     EL_PLAYER_3,
3416     EL_PLAYER_4,
3417     EL_SP_MURPHY,
3418     EL_YAMYAM,
3419     EL_YAMYAM_LEFT,
3420     EL_YAMYAM_RIGHT,
3421     EL_YAMYAM_UP,
3422     EL_YAMYAM_DOWN,
3423     EL_AMOEBA_WET,
3424     EL_AMOEBA_DRY,
3425     EL_AMOEBA_FULL,
3426     EL_BD_AMOEBA,
3427     EL_EMC_MAGIC_BALL,
3428     EL_EMC_ANDROID,
3429
3430     -1
3431   };
3432
3433   static int ep_can_turn_each_move[] =
3434   {
3435     /* !!! do something with this one !!! */
3436     -1
3437   };
3438
3439   static int ep_can_grow[] =
3440   {
3441     EL_BD_AMOEBA,
3442     EL_AMOEBA_DROP,
3443     EL_AMOEBA_WET,
3444     EL_AMOEBA_DRY,
3445     EL_AMOEBA_FULL,
3446     EL_GAME_OF_LIFE,
3447     EL_BIOMAZE,
3448     EL_EMC_DRIPPER,
3449
3450     -1
3451   };
3452
3453   static int ep_active_bomb[] =
3454   {
3455     EL_DYNAMITE_ACTIVE,
3456     EL_EM_DYNAMITE_ACTIVE,
3457     EL_DYNABOMB_PLAYER_1_ACTIVE,
3458     EL_DYNABOMB_PLAYER_2_ACTIVE,
3459     EL_DYNABOMB_PLAYER_3_ACTIVE,
3460     EL_DYNABOMB_PLAYER_4_ACTIVE,
3461     EL_SP_DISK_RED_ACTIVE,
3462
3463     -1
3464   };
3465
3466   static int ep_inactive[] =
3467   {
3468     EL_EMPTY,
3469     EL_SAND,
3470     EL_WALL,
3471     EL_BD_WALL,
3472     EL_WALL_SLIPPERY,
3473     EL_STEELWALL,
3474     EL_AMOEBA_DEAD,
3475     EL_QUICKSAND_EMPTY,
3476     EL_STONEBLOCK,
3477     EL_ROBOT_WHEEL,
3478     EL_KEY_1,
3479     EL_KEY_2,
3480     EL_KEY_3,
3481     EL_KEY_4,
3482     EL_EM_KEY_1,
3483     EL_EM_KEY_2,
3484     EL_EM_KEY_3,
3485     EL_EM_KEY_4,
3486     EL_EMC_KEY_5,
3487     EL_EMC_KEY_6,
3488     EL_EMC_KEY_7,
3489     EL_EMC_KEY_8,
3490     EL_GATE_1,
3491     EL_GATE_2,
3492     EL_GATE_3,
3493     EL_GATE_4,
3494     EL_GATE_1_GRAY,
3495     EL_GATE_2_GRAY,
3496     EL_GATE_3_GRAY,
3497     EL_GATE_4_GRAY,
3498     EL_GATE_1_GRAY_ACTIVE,
3499     EL_GATE_2_GRAY_ACTIVE,
3500     EL_GATE_3_GRAY_ACTIVE,
3501     EL_GATE_4_GRAY_ACTIVE,
3502     EL_EM_GATE_1,
3503     EL_EM_GATE_2,
3504     EL_EM_GATE_3,
3505     EL_EM_GATE_4,
3506     EL_EM_GATE_1_GRAY,
3507     EL_EM_GATE_2_GRAY,
3508     EL_EM_GATE_3_GRAY,
3509     EL_EM_GATE_4_GRAY,
3510     EL_EM_GATE_1_GRAY_ACTIVE,
3511     EL_EM_GATE_2_GRAY_ACTIVE,
3512     EL_EM_GATE_3_GRAY_ACTIVE,
3513     EL_EM_GATE_4_GRAY_ACTIVE,
3514     EL_EMC_GATE_5,
3515     EL_EMC_GATE_6,
3516     EL_EMC_GATE_7,
3517     EL_EMC_GATE_8,
3518     EL_EMC_GATE_5_GRAY,
3519     EL_EMC_GATE_6_GRAY,
3520     EL_EMC_GATE_7_GRAY,
3521     EL_EMC_GATE_8_GRAY,
3522     EL_EMC_GATE_5_GRAY_ACTIVE,
3523     EL_EMC_GATE_6_GRAY_ACTIVE,
3524     EL_EMC_GATE_7_GRAY_ACTIVE,
3525     EL_EMC_GATE_8_GRAY_ACTIVE,
3526     EL_DYNAMITE,
3527     EL_EM_DYNAMITE,
3528     EL_INVISIBLE_STEELWALL,
3529     EL_INVISIBLE_WALL,
3530     EL_INVISIBLE_SAND,
3531     EL_LAMP,
3532     EL_LAMP_ACTIVE,
3533     EL_WALL_EMERALD,
3534     EL_WALL_DIAMOND,
3535     EL_WALL_BD_DIAMOND,
3536     EL_WALL_EMERALD_YELLOW,
3537     EL_DYNABOMB_INCREASE_NUMBER,
3538     EL_DYNABOMB_INCREASE_SIZE,
3539     EL_DYNABOMB_INCREASE_POWER,
3540 #if 0
3541     EL_SOKOBAN_OBJECT,
3542 #endif
3543     EL_SOKOBAN_FIELD_EMPTY,
3544     EL_SOKOBAN_FIELD_FULL,
3545     EL_WALL_EMERALD_RED,
3546     EL_WALL_EMERALD_PURPLE,
3547     EL_ACID_POOL_TOPLEFT,
3548     EL_ACID_POOL_TOPRIGHT,
3549     EL_ACID_POOL_BOTTOMLEFT,
3550     EL_ACID_POOL_BOTTOM,
3551     EL_ACID_POOL_BOTTOMRIGHT,
3552     EL_MAGIC_WALL,
3553     EL_MAGIC_WALL_DEAD,
3554     EL_BD_MAGIC_WALL,
3555     EL_BD_MAGIC_WALL_DEAD,
3556     EL_AMOEBA_TO_DIAMOND,
3557     EL_BLOCKED,
3558     EL_SP_EMPTY,
3559     EL_SP_BASE,
3560     EL_SP_PORT_RIGHT,
3561     EL_SP_PORT_DOWN,
3562     EL_SP_PORT_LEFT,
3563     EL_SP_PORT_UP,
3564     EL_SP_GRAVITY_PORT_RIGHT,
3565     EL_SP_GRAVITY_PORT_DOWN,
3566     EL_SP_GRAVITY_PORT_LEFT,
3567     EL_SP_GRAVITY_PORT_UP,
3568     EL_SP_PORT_HORIZONTAL,
3569     EL_SP_PORT_VERTICAL,
3570     EL_SP_PORT_ANY,
3571     EL_SP_DISK_RED,
3572 #if 0
3573     EL_SP_DISK_YELLOW,
3574 #endif
3575     EL_SP_CHIP_SINGLE,
3576     EL_SP_CHIP_LEFT,
3577     EL_SP_CHIP_RIGHT,
3578     EL_SP_CHIP_TOP,
3579     EL_SP_CHIP_BOTTOM,
3580     EL_SP_HARDWARE_GRAY,
3581     EL_SP_HARDWARE_GREEN,
3582     EL_SP_HARDWARE_BLUE,
3583     EL_SP_HARDWARE_RED,
3584     EL_SP_HARDWARE_YELLOW,
3585     EL_SP_HARDWARE_BASE_1,
3586     EL_SP_HARDWARE_BASE_2,
3587     EL_SP_HARDWARE_BASE_3,
3588     EL_SP_HARDWARE_BASE_4,
3589     EL_SP_HARDWARE_BASE_5,
3590     EL_SP_HARDWARE_BASE_6,
3591     EL_SP_GRAVITY_ON_PORT_LEFT,
3592     EL_SP_GRAVITY_ON_PORT_RIGHT,
3593     EL_SP_GRAVITY_ON_PORT_UP,
3594     EL_SP_GRAVITY_ON_PORT_DOWN,
3595     EL_SP_GRAVITY_OFF_PORT_LEFT,
3596     EL_SP_GRAVITY_OFF_PORT_RIGHT,
3597     EL_SP_GRAVITY_OFF_PORT_UP,
3598     EL_SP_GRAVITY_OFF_PORT_DOWN,
3599     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3600     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3601     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3602     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3603     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3604     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3605     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3606     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3607     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3608     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3609     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3610     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3611     EL_SIGN_EXCLAMATION,
3612     EL_SIGN_RADIOACTIVITY,
3613     EL_SIGN_STOP,
3614     EL_SIGN_WHEELCHAIR,
3615     EL_SIGN_PARKING,
3616     EL_SIGN_ONEWAY,
3617     EL_SIGN_HEART,
3618     EL_SIGN_TRIANGLE,
3619     EL_SIGN_ROUND,
3620     EL_SIGN_EXIT,
3621     EL_SIGN_YINYANG,
3622     EL_SIGN_OTHER,
3623     EL_STEELWALL_SLIPPERY,
3624     EL_EMC_STEELWALL_1,
3625     EL_EMC_STEELWALL_2,
3626     EL_EMC_STEELWALL_3,
3627     EL_EMC_STEELWALL_4,
3628     EL_EMC_WALL_SLIPPERY_1,
3629     EL_EMC_WALL_SLIPPERY_2,
3630     EL_EMC_WALL_SLIPPERY_3,
3631     EL_EMC_WALL_SLIPPERY_4,
3632     EL_EMC_WALL_1,
3633     EL_EMC_WALL_2,
3634     EL_EMC_WALL_3,
3635     EL_EMC_WALL_4,
3636     EL_EMC_WALL_5,
3637     EL_EMC_WALL_6,
3638     EL_EMC_WALL_7,
3639     EL_EMC_WALL_8,
3640     EL_EMC_WALL_9,
3641     EL_EMC_WALL_10,
3642     EL_EMC_WALL_11,
3643     EL_EMC_WALL_12,
3644     EL_EMC_WALL_13,
3645     EL_EMC_WALL_14,
3646     EL_EMC_WALL_15,
3647     EL_EMC_WALL_16,
3648
3649     -1
3650   };
3651
3652   static int ep_em_slippery_wall[] =
3653   {
3654     -1
3655   };
3656
3657   static int ep_gfx_crumbled[] =
3658   {
3659     EL_SAND,
3660     EL_LANDMINE,
3661     EL_TRAP,
3662     EL_TRAP_ACTIVE,
3663
3664     -1
3665   };
3666
3667   static int ep_editor_cascade_active[] =
3668   {
3669     EL_INTERNAL_CASCADE_BD_ACTIVE,
3670     EL_INTERNAL_CASCADE_EM_ACTIVE,
3671     EL_INTERNAL_CASCADE_EMC_ACTIVE,
3672     EL_INTERNAL_CASCADE_RND_ACTIVE,
3673     EL_INTERNAL_CASCADE_SB_ACTIVE,
3674     EL_INTERNAL_CASCADE_SP_ACTIVE,
3675     EL_INTERNAL_CASCADE_DC_ACTIVE,
3676     EL_INTERNAL_CASCADE_DX_ACTIVE,
3677     EL_INTERNAL_CASCADE_CHARS_ACTIVE,
3678     EL_INTERNAL_CASCADE_CE_ACTIVE,
3679     EL_INTERNAL_CASCADE_GE_ACTIVE,
3680     EL_INTERNAL_CASCADE_REF_ACTIVE,
3681     EL_INTERNAL_CASCADE_USER_ACTIVE,
3682     EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
3683
3684     -1
3685   };
3686
3687   static int ep_editor_cascade_inactive[] =
3688   {
3689     EL_INTERNAL_CASCADE_BD,
3690     EL_INTERNAL_CASCADE_EM,
3691     EL_INTERNAL_CASCADE_EMC,
3692     EL_INTERNAL_CASCADE_RND,
3693     EL_INTERNAL_CASCADE_SB,
3694     EL_INTERNAL_CASCADE_SP,
3695     EL_INTERNAL_CASCADE_DC,
3696     EL_INTERNAL_CASCADE_DX,
3697     EL_INTERNAL_CASCADE_CHARS,
3698     EL_INTERNAL_CASCADE_CE,
3699     EL_INTERNAL_CASCADE_GE,
3700     EL_INTERNAL_CASCADE_REF,
3701     EL_INTERNAL_CASCADE_USER,
3702     EL_INTERNAL_CASCADE_DYNAMIC,
3703
3704     -1
3705   };
3706
3707   static int ep_obsolete[] =
3708   {
3709     EL_PLAYER_OBSOLETE,
3710     EL_KEY_OBSOLETE,
3711     EL_EM_KEY_1_FILE_OBSOLETE,
3712     EL_EM_KEY_2_FILE_OBSOLETE,
3713     EL_EM_KEY_3_FILE_OBSOLETE,
3714     EL_EM_KEY_4_FILE_OBSOLETE,
3715     EL_ENVELOPE_OBSOLETE,
3716
3717     -1
3718   };
3719
3720   static struct
3721   {
3722     int *elements;
3723     int property;
3724   } element_properties[] =
3725   {
3726     { ep_diggable,                      EP_DIGGABLE                     },
3727     { ep_collectible_only,              EP_COLLECTIBLE_ONLY             },
3728     { ep_dont_run_into,                 EP_DONT_RUN_INTO                },
3729     { ep_dont_collide_with,             EP_DONT_COLLIDE_WITH            },
3730     { ep_dont_touch,                    EP_DONT_TOUCH                   },
3731     { ep_indestructible,                EP_INDESTRUCTIBLE               },
3732     { ep_slippery,                      EP_SLIPPERY                     },
3733     { ep_can_change,                    EP_CAN_CHANGE                   },
3734     { ep_can_move,                      EP_CAN_MOVE                     },
3735     { ep_can_fall,                      EP_CAN_FALL                     },
3736     { ep_can_smash_player,              EP_CAN_SMASH_PLAYER             },
3737     { ep_can_smash_enemies,             EP_CAN_SMASH_ENEMIES            },
3738     { ep_can_smash_everything,          EP_CAN_SMASH_EVERYTHING         },
3739     { ep_explodes_by_fire,              EP_EXPLODES_BY_FIRE             },
3740     { ep_explodes_smashed,              EP_EXPLODES_SMASHED             },
3741     { ep_explodes_impact,               EP_EXPLODES_IMPACT              },
3742     { ep_walkable_over,                 EP_WALKABLE_OVER                },
3743     { ep_walkable_inside,               EP_WALKABLE_INSIDE              },
3744     { ep_walkable_under,                EP_WALKABLE_UNDER               },
3745     { ep_passable_over,                 EP_PASSABLE_OVER                },
3746     { ep_passable_inside,               EP_PASSABLE_INSIDE              },
3747     { ep_passable_under,                EP_PASSABLE_UNDER               },
3748     { ep_droppable,                     EP_DROPPABLE                    },
3749     { ep_explodes_1x1_old,              EP_EXPLODES_1X1_OLD             },
3750     { ep_pushable,                      EP_PUSHABLE                     },
3751     { ep_explodes_cross_old,            EP_EXPLODES_CROSS_OLD           },
3752     { ep_protected,                     EP_PROTECTED                    },
3753     { ep_throwable,                     EP_THROWABLE                    },
3754     { ep_can_explode,                   EP_CAN_EXPLODE                  },
3755     { ep_gravity_reachable,             EP_GRAVITY_REACHABLE            },
3756
3757     { ep_player,                        EP_PLAYER                       },
3758     { ep_can_pass_magic_wall,           EP_CAN_PASS_MAGIC_WALL          },
3759     { ep_switchable,                    EP_SWITCHABLE                   },
3760     { ep_bd_element,                    EP_BD_ELEMENT                   },
3761     { ep_sp_element,                    EP_SP_ELEMENT                   },
3762     { ep_sb_element,                    EP_SB_ELEMENT                   },
3763     { ep_gem,                           EP_GEM                          },
3764     { ep_food_dark_yamyam,              EP_FOOD_DARK_YAMYAM             },
3765     { ep_food_penguin,                  EP_FOOD_PENGUIN                 },
3766     { ep_food_pig,                      EP_FOOD_PIG                     },
3767     { ep_historic_wall,                 EP_HISTORIC_WALL                },
3768     { ep_historic_solid,                EP_HISTORIC_SOLID               },
3769     { ep_classic_enemy,                 EP_CLASSIC_ENEMY                },
3770     { ep_belt,                          EP_BELT                         },
3771     { ep_belt_active,                   EP_BELT_ACTIVE                  },
3772     { ep_belt_switch,                   EP_BELT_SWITCH                  },
3773     { ep_tube,                          EP_TUBE                         },
3774     { ep_keygate,                       EP_KEYGATE                      },
3775     { ep_amoeboid,                      EP_AMOEBOID                     },
3776     { ep_amoebalive,                    EP_AMOEBALIVE                   },
3777     { ep_has_editor_content,            EP_HAS_EDITOR_CONTENT           },
3778     { ep_can_turn_each_move,            EP_CAN_TURN_EACH_MOVE           },
3779     { ep_can_grow,                      EP_CAN_GROW                     },
3780     { ep_active_bomb,                   EP_ACTIVE_BOMB                  },
3781     { ep_inactive,                      EP_INACTIVE                     },
3782
3783     { ep_em_slippery_wall,              EP_EM_SLIPPERY_WALL             },
3784
3785     { ep_gfx_crumbled,                  EP_GFX_CRUMBLED                 },
3786
3787     { ep_editor_cascade_active,         EP_EDITOR_CASCADE_ACTIVE        },
3788     { ep_editor_cascade_inactive,       EP_EDITOR_CASCADE_INACTIVE      },
3789
3790     { ep_obsolete,                      EP_OBSOLETE                     },
3791
3792     { NULL,                             -1                              }
3793   };
3794
3795   int i, j, k;
3796
3797   /* always start with reliable default values (element has no properties) */
3798   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
3799     for (j = 0; j < NUM_ELEMENT_PROPERTIES; j++)
3800       SET_PROPERTY(i, j, FALSE);
3801
3802   /* set all base element properties from above array definitions */
3803   for (i = 0; element_properties[i].elements != NULL; i++)
3804     for (j = 0; (element_properties[i].elements)[j] != -1; j++)
3805       SET_PROPERTY((element_properties[i].elements)[j],
3806                    element_properties[i].property, TRUE);
3807
3808   /* copy properties to some elements that are only stored in level file */
3809   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
3810     for (j = 0; copy_properties[j][0] != -1; j++)
3811       if (HAS_PROPERTY(copy_properties[j][0], i))
3812         for (k = 1; k <= 4; k++)
3813           SET_PROPERTY(copy_properties[j][k], i, TRUE);
3814 }
3815
3816 void InitElementPropertiesEngine(int engine_version)
3817 {
3818   static int no_wall_properties[] =
3819   {
3820     EP_DIGGABLE,
3821     EP_COLLECTIBLE_ONLY,
3822     EP_DONT_RUN_INTO,
3823     EP_DONT_COLLIDE_WITH,
3824     EP_CAN_MOVE,
3825     EP_CAN_FALL,
3826     EP_CAN_SMASH_PLAYER,
3827     EP_CAN_SMASH_ENEMIES,
3828     EP_CAN_SMASH_EVERYTHING,
3829     EP_PUSHABLE,
3830
3831     EP_PLAYER,
3832     EP_GEM,
3833     EP_FOOD_DARK_YAMYAM,
3834     EP_FOOD_PENGUIN,
3835     EP_BELT,
3836     EP_BELT_ACTIVE,
3837     EP_TUBE,
3838     EP_AMOEBOID,
3839     EP_AMOEBALIVE,
3840     EP_ACTIVE_BOMB,
3841
3842     EP_ACCESSIBLE,
3843
3844     -1
3845   };
3846
3847   int i, j;
3848
3849   /* important: after initialization in InitElementPropertiesStatic(), the
3850      elements are not again initialized to a default value; therefore all
3851      changes have to make sure that they leave the element with a defined
3852      property (which means that conditional property changes must be set to
3853      a reliable default value before) */
3854
3855   /* ---------- recursively resolve group elements ------------------------- */
3856
3857   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
3858     for (j = 0; j < NUM_GROUP_ELEMENTS; j++)
3859       element_info[i].in_group[j] = FALSE;
3860
3861   for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
3862     resolve_group_element(EL_GROUP_START + i, 0);
3863
3864   /* set all special, combined or engine dependent element properties */
3865   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
3866   {
3867     /* ---------- INACTIVE ------------------------------------------------- */
3868     SET_PROPERTY(i, EP_INACTIVE, (i >= EL_CHAR_START && i <= EL_CHAR_END));
3869
3870     /* ---------- WALKABLE, PASSABLE, ACCESSIBLE --------------------------- */
3871     SET_PROPERTY(i, EP_WALKABLE, (IS_WALKABLE_OVER(i) ||
3872                                   IS_WALKABLE_INSIDE(i) ||
3873                                   IS_WALKABLE_UNDER(i)));
3874
3875     SET_PROPERTY(i, EP_PASSABLE, (IS_PASSABLE_OVER(i) ||
3876                                   IS_PASSABLE_INSIDE(i) ||
3877                                   IS_PASSABLE_UNDER(i)));
3878
3879     SET_PROPERTY(i, EP_ACCESSIBLE_OVER, (IS_WALKABLE_OVER(i) ||
3880                                          IS_PASSABLE_OVER(i)));
3881
3882     SET_PROPERTY(i, EP_ACCESSIBLE_INSIDE, (IS_WALKABLE_INSIDE(i) ||
3883                                            IS_PASSABLE_INSIDE(i)));
3884
3885     SET_PROPERTY(i, EP_ACCESSIBLE_UNDER, (IS_WALKABLE_UNDER(i) ||
3886                                           IS_PASSABLE_UNDER(i)));
3887
3888     SET_PROPERTY(i, EP_ACCESSIBLE, (IS_WALKABLE(i) ||
3889                                     IS_PASSABLE(i)));
3890
3891     /* ---------- COLLECTIBLE ---------------------------------------------- */
3892     SET_PROPERTY(i, EP_COLLECTIBLE, (IS_COLLECTIBLE_ONLY(i) ||
3893                                      IS_DROPPABLE(i) ||
3894                                      IS_THROWABLE(i)));
3895
3896     /* ---------- SNAPPABLE ------------------------------------------------ */
3897     SET_PROPERTY(i, EP_SNAPPABLE, (IS_DIGGABLE(i) ||
3898                                    IS_COLLECTIBLE(i) ||
3899                                    IS_SWITCHABLE(i) ||
3900                                    i == EL_BD_ROCK));
3901
3902     /* ---------- WALL ----------------------------------------------------- */
3903     SET_PROPERTY(i, EP_WALL, TRUE);     /* default: element is wall */
3904
3905     for (j = 0; no_wall_properties[j] != -1; j++)
3906       if (HAS_PROPERTY(i, no_wall_properties[j]) ||
3907           i >= EL_FIRST_RUNTIME_UNREAL)
3908         SET_PROPERTY(i, EP_WALL, FALSE);
3909
3910     if (IS_HISTORIC_WALL(i))
3911       SET_PROPERTY(i, EP_WALL, TRUE);
3912
3913     /* ---------- SOLID_FOR_PUSHING ---------------------------------------- */
3914     if (engine_version < VERSION_IDENT(2,2,0,0))
3915       SET_PROPERTY(i, EP_SOLID_FOR_PUSHING, IS_HISTORIC_SOLID(i));
3916     else
3917       SET_PROPERTY(i, EP_SOLID_FOR_PUSHING, (!IS_WALKABLE(i) &&
3918                                              !IS_DIGGABLE(i) &&
3919                                              !IS_COLLECTIBLE(i)));
3920
3921     /* ---------- DRAGONFIRE_PROOF ----------------------------------------- */
3922
3923     if (IS_HISTORIC_SOLID(i) || i == EL_EXPLOSION)
3924       SET_PROPERTY(i, EP_DRAGONFIRE_PROOF, TRUE);
3925     else
3926       SET_PROPERTY(i, EP_DRAGONFIRE_PROOF, (IS_CUSTOM_ELEMENT(i) &&
3927                                             IS_INDESTRUCTIBLE(i)));
3928
3929     /* ---------- EXPLOSION_PROOF ------------------------------------------ */
3930     if (i == EL_FLAMES)
3931       SET_PROPERTY(i, EP_EXPLOSION_PROOF, TRUE);
3932     else if (engine_version < VERSION_IDENT(2,2,0,0))
3933       SET_PROPERTY(i, EP_EXPLOSION_PROOF, IS_INDESTRUCTIBLE(i));
3934     else
3935       SET_PROPERTY(i, EP_EXPLOSION_PROOF, (IS_INDESTRUCTIBLE(i) &&
3936                                            (!IS_WALKABLE(i) ||
3937                                             IS_PROTECTED(i))));
3938
3939     if (IS_CUSTOM_ELEMENT(i))
3940     {
3941       /* these are additional properties which are initially false when set */
3942
3943       /* ---------- DONT_COLLIDE_WITH / DONT_RUN_INTO ---------------------- */
3944       if (DONT_TOUCH(i))
3945         SET_PROPERTY(i, EP_DONT_COLLIDE_WITH, TRUE);
3946       if (DONT_COLLIDE_WITH(i))
3947         SET_PROPERTY(i, EP_DONT_RUN_INTO, TRUE);
3948
3949       /* ---------- CAN_SMASH_ENEMIES / CAN_SMASH_PLAYER ------------------- */
3950       if (CAN_SMASH_EVERYTHING(i))
3951         SET_PROPERTY(i, EP_CAN_SMASH_ENEMIES, TRUE);
3952       if (CAN_SMASH_ENEMIES(i))
3953         SET_PROPERTY(i, EP_CAN_SMASH_PLAYER, TRUE);
3954     }
3955
3956     /* ---------- CAN_SMASH ------------------------------------------------ */
3957     SET_PROPERTY(i, EP_CAN_SMASH, (CAN_SMASH_PLAYER(i) ||
3958                                    CAN_SMASH_ENEMIES(i) ||
3959                                    CAN_SMASH_EVERYTHING(i)));
3960
3961     /* ---------- CAN_EXPLODE_BY_FIRE -------------------------------------- */
3962     SET_PROPERTY(i, EP_CAN_EXPLODE_BY_FIRE, (CAN_EXPLODE(i) &&
3963                                              EXPLODES_BY_FIRE(i)));
3964
3965     /* ---------- CAN_EXPLODE_SMASHED -------------------------------------- */
3966     SET_PROPERTY(i, EP_CAN_EXPLODE_SMASHED, (CAN_EXPLODE(i) &&
3967                                              EXPLODES_SMASHED(i)));
3968
3969     /* ---------- CAN_EXPLODE_IMPACT --------------------------------------- */
3970     SET_PROPERTY(i, EP_CAN_EXPLODE_IMPACT, (CAN_EXPLODE(i) &&
3971                                             EXPLODES_IMPACT(i)));
3972
3973     /* ---------- CAN_EXPLODE_BY_DRAGONFIRE -------------------------------- */
3974     SET_PROPERTY(i, EP_CAN_EXPLODE_BY_DRAGONFIRE, CAN_EXPLODE_BY_FIRE(i));
3975
3976     /* ---------- CAN_EXPLODE_BY_EXPLOSION --------------------------------- */
3977     SET_PROPERTY(i, EP_CAN_EXPLODE_BY_EXPLOSION, (CAN_EXPLODE_BY_FIRE(i) ||
3978                                                   i == EL_BLACK_ORB));
3979
3980     /* ---------- COULD_MOVE_INTO_ACID ------------------------------------- */
3981     SET_PROPERTY(i, EP_COULD_MOVE_INTO_ACID, (ELEM_IS_PLAYER(i) ||
3982                                               CAN_MOVE(i) ||
3983                                               IS_CUSTOM_ELEMENT(i)));
3984
3985     /* ---------- MAYBE_DONT_COLLIDE_WITH ---------------------------------- */
3986     SET_PROPERTY(i, EP_MAYBE_DONT_COLLIDE_WITH, (i == EL_SP_SNIKSNAK ||
3987                                                  i == EL_SP_ELECTRON));
3988
3989     /* ---------- CAN_MOVE_INTO_ACID --------------------------------------- */
3990     if (COULD_MOVE_INTO_ACID(i) && !IS_CUSTOM_ELEMENT(i))
3991       SET_PROPERTY(i, EP_CAN_MOVE_INTO_ACID,
3992                    getMoveIntoAcidProperty(&level, i));
3993
3994     /* ---------- DONT_COLLIDE_WITH ---------------------------------------- */
3995     if (MAYBE_DONT_COLLIDE_WITH(i))
3996       SET_PROPERTY(i, EP_DONT_COLLIDE_WITH,
3997                    getDontCollideWithProperty(&level, i));
3998
3999     /* ---------- SP_PORT -------------------------------------------------- */
4000     SET_PROPERTY(i, EP_SP_PORT, (IS_SP_ELEMENT(i) &&
4001                                  IS_PASSABLE_INSIDE(i)));
4002
4003     /* ---------- CAN_BE_CLONED_BY_ANDROID --------------------------------- */
4004     for (j = 0; j < level.num_android_clone_elements; j++)
4005       SET_PROPERTY(i, EP_CAN_BE_CLONED_BY_ANDROID,
4006                    (i != EL_EMPTY &&
4007                     IS_EQUAL_OR_IN_GROUP(i, level.android_clone_element[j])));
4008
4009     /* ---------- CAN_CHANGE ----------------------------------------------- */
4010     SET_PROPERTY(i, EP_CAN_CHANGE, FALSE);      /* default: cannot change */
4011     for (j = 0; j < element_info[i].num_change_pages; j++)
4012       if (element_info[i].change_page[j].can_change)
4013         SET_PROPERTY(i, EP_CAN_CHANGE, TRUE);
4014
4015     /* ---------- HAS_ACTION ----------------------------------------------- */
4016     SET_PROPERTY(i, EP_HAS_ACTION, FALSE);      /* default: has no action */
4017     for (j = 0; j < element_info[i].num_change_pages; j++)
4018       if (element_info[i].change_page[j].has_action)
4019         SET_PROPERTY(i, EP_HAS_ACTION, TRUE);
4020
4021     /* ---------- CAN_CHANGE_OR_HAS_ACTION --------------------------------- */
4022     SET_PROPERTY(i, EP_CAN_CHANGE_OR_HAS_ACTION, (CAN_CHANGE(i) ||
4023                                                   HAS_ACTION(i)));
4024
4025     /* ---------- GFX_CRUMBLED --------------------------------------------- */
4026 #if 1
4027     SET_PROPERTY(i, EP_GFX_CRUMBLED,
4028                  element_info[i].crumbled[ACTION_DEFAULT] !=
4029                  element_info[i].graphic[ACTION_DEFAULT]);
4030 #else
4031     /* !!! THIS LOOKS CRAPPY FOR SAND ETC. WITHOUT CRUMBLED GRAPHICS !!! */
4032     SET_PROPERTY(i, EP_GFX_CRUMBLED,
4033                  element_info[i].crumbled[ACTION_DEFAULT] != IMG_EMPTY);
4034 #endif
4035
4036     /* ---------- EDITOR_CASCADE ------------------------------------------- */
4037     SET_PROPERTY(i, EP_EDITOR_CASCADE, (IS_EDITOR_CASCADE_ACTIVE(i) ||
4038                                         IS_EDITOR_CASCADE_INACTIVE(i)));
4039   }
4040
4041   /* dynamically adjust element properties according to game engine version */
4042   {
4043     static int ep_em_slippery_wall[] =
4044     {
4045       EL_STEELWALL,
4046       EL_WALL,
4047       EL_EXPANDABLE_WALL,
4048       EL_EXPANDABLE_WALL_HORIZONTAL,
4049       EL_EXPANDABLE_WALL_VERTICAL,
4050       EL_EXPANDABLE_WALL_ANY,
4051       -1
4052     };
4053
4054     /* special EM style gems behaviour */
4055     for (i = 0; ep_em_slippery_wall[i] != -1; i++)
4056       SET_PROPERTY(ep_em_slippery_wall[i], EP_EM_SLIPPERY_WALL,
4057                    level.em_slippery_gems);
4058
4059     /* "EL_EXPANDABLE_WALL_GROWING" wasn't slippery for EM gems in 2.0.1 */
4060     SET_PROPERTY(EL_EXPANDABLE_WALL_GROWING, EP_EM_SLIPPERY_WALL,
4061                  (level.em_slippery_gems &&
4062                   engine_version > VERSION_IDENT(2,0,1,0)));
4063   }
4064
4065   /* this is needed because some graphics depend on element properties */
4066   if (game_status == GAME_MODE_PLAYING)
4067     InitElementGraphicInfo();
4068 }
4069
4070 void InitElementPropertiesAfterLoading(int engine_version)
4071 {
4072   int i;
4073
4074   /* set some other uninitialized values of custom elements in older levels */
4075   if (engine_version < VERSION_IDENT(3,1,0,0))
4076   {
4077     for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
4078     {
4079       int element = EL_CUSTOM_START + i;
4080
4081       element_info[element].access_direction = MV_ALL_DIRECTIONS;
4082
4083       element_info[element].explosion_delay = 17;
4084       element_info[element].ignition_delay = 8;
4085     }
4086   }
4087 }
4088
4089 static void InitGlobal()
4090 {
4091   int i;
4092
4093   for (i = 0; i < MAX_NUM_ELEMENTS + 1; i++)
4094   {
4095     /* check if element_name_info entry defined for each element in "main.h" */
4096     if (i < MAX_NUM_ELEMENTS && element_name_info[i].token_name == NULL)
4097       Error(ERR_EXIT, "undefined 'element_name_info' entry for element %d", i);
4098
4099     element_info[i].token_name = element_name_info[i].token_name;
4100     element_info[i].class_name = element_name_info[i].class_name;
4101     element_info[i].editor_description=element_name_info[i].editor_description;
4102   }
4103
4104   global.autoplay_leveldir = NULL;
4105   global.convert_leveldir = NULL;
4106
4107   global.frames_per_second = 0;
4108   global.fps_slowdown = FALSE;
4109   global.fps_slowdown_factor = 1;
4110 }
4111
4112 void Execute_Command(char *command)
4113 {
4114   int i;
4115
4116   if (strEqual(command, "print graphicsinfo.conf"))
4117   {
4118     printf("# You can configure additional/alternative image files here.\n");
4119     printf("# (The entries below are default and therefore commented out.)\n");
4120     printf("\n");
4121     printf("%s\n", getFormattedSetupEntry("name", "Classic Graphics"));
4122     printf("\n");
4123     printf("%s\n", getFormattedSetupEntry("sort_priority", "100"));
4124     printf("\n");
4125
4126     for (i = 0; image_config[i].token != NULL; i++)
4127       printf("# %s\n", getFormattedSetupEntry(image_config[i].token,
4128                                               image_config[i].value));
4129
4130     exit(0);
4131   }
4132   else if (strEqual(command, "print soundsinfo.conf"))
4133   {
4134     printf("# You can configure additional/alternative sound files here.\n");
4135     printf("# (The entries below are default and therefore commented out.)\n");
4136     printf("\n");
4137     printf("%s\n", getFormattedSetupEntry("name", "Classic Sounds"));
4138     printf("\n");
4139     printf("%s\n", getFormattedSetupEntry("sort_priority", "100"));
4140     printf("\n");
4141
4142     for (i = 0; sound_config[i].token != NULL; i++)
4143       printf("# %s\n", getFormattedSetupEntry(sound_config[i].token,
4144                                               sound_config[i].value));
4145
4146     exit(0);
4147   }
4148   else if (strEqual(command, "print musicinfo.conf"))
4149   {
4150     printf("# You can configure additional/alternative music files here.\n");
4151     printf("# (The entries below are default and therefore commented out.)\n");
4152     printf("\n");
4153     printf("%s\n", getFormattedSetupEntry("name", "Classic Music"));
4154     printf("\n");
4155     printf("%s\n", getFormattedSetupEntry("sort_priority", "100"));
4156     printf("\n");
4157
4158     for (i = 0; music_config[i].token != NULL; i++)
4159       printf("# %s\n", getFormattedSetupEntry(music_config[i].token,
4160                                               music_config[i].value));
4161
4162     exit(0);
4163   }
4164   else if (strEqual(command, "print editorsetup.conf"))
4165   {
4166     printf("# You can configure your personal editor element list here.\n");
4167     printf("# (The entries below are default and therefore commented out.)\n");
4168     printf("\n");
4169
4170     /* this is needed to be able to check element list for cascade elements */
4171     InitElementPropertiesStatic();
4172     InitElementPropertiesEngine(GAME_VERSION_ACTUAL);
4173
4174     PrintEditorElementList();
4175
4176     exit(0);
4177   }
4178   else if (strEqual(command, "print helpanim.conf"))
4179   {
4180     printf("# You can configure different element help animations here.\n");
4181     printf("# (The entries below are default and therefore commented out.)\n");
4182     printf("\n");
4183
4184     for (i = 0; helpanim_config[i].token != NULL; i++)
4185     {
4186       printf("# %s\n", getFormattedSetupEntry(helpanim_config[i].token,
4187                                               helpanim_config[i].value));
4188
4189       if (strEqual(helpanim_config[i].token, "end"))
4190         printf("#\n");
4191     }
4192
4193     exit(0);
4194   }
4195   else if (strEqual(command, "print helptext.conf"))
4196   {
4197     printf("# You can configure different element help text here.\n");
4198     printf("# (The entries below are default and therefore commented out.)\n");
4199     printf("\n");
4200
4201     for (i = 0; helptext_config[i].token != NULL; i++)
4202       printf("# %s\n", getFormattedSetupEntry(helptext_config[i].token,
4203                                               helptext_config[i].value));
4204
4205     exit(0);
4206   }
4207   else if (strncmp(command, "dump level ", 11) == 0)
4208   {
4209     char *filename = &command[11];
4210
4211     if (!fileExists(filename))
4212       Error(ERR_EXIT, "cannot open file '%s'", filename);
4213
4214     LoadLevelFromFilename(&level, filename);
4215     DumpLevel(&level);
4216
4217     exit(0);
4218   }
4219   else if (strncmp(command, "dump tape ", 10) == 0)
4220   {
4221     char *filename = &command[10];
4222
4223     if (!fileExists(filename))
4224       Error(ERR_EXIT, "cannot open file '%s'", filename);
4225
4226     LoadTapeFromFilename(filename);
4227     DumpTape(&tape);
4228
4229     exit(0);
4230   }
4231   else if (strncmp(command, "autoplay ", 9) == 0)
4232   {
4233     char *str_ptr = getStringCopy(&command[9]); /* read command parameters */
4234
4235     while (*str_ptr != '\0')                    /* continue parsing string */
4236     {
4237       /* cut leading whitespace from string, replace it by string terminator */
4238       while (*str_ptr == ' ' || *str_ptr == '\t')
4239         *str_ptr++ = '\0';
4240
4241       if (*str_ptr == '\0')                     /* end of string reached */
4242         break;
4243
4244       if (global.autoplay_leveldir == NULL)     /* read level set string */
4245       {
4246         global.autoplay_leveldir = str_ptr;
4247         global.autoplay_all = TRUE;             /* default: play all tapes */
4248
4249         for (i = 0; i < MAX_TAPES_PER_SET; i++)
4250           global.autoplay_level[i] = FALSE;
4251       }
4252       else                                      /* read level number string */
4253       {
4254         int level_nr = atoi(str_ptr);           /* get level_nr value */
4255
4256         if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
4257           global.autoplay_level[level_nr] = TRUE;
4258
4259         global.autoplay_all = FALSE;
4260       }
4261
4262       /* advance string pointer to the next whitespace (or end of string) */
4263       while (*str_ptr != ' ' && *str_ptr != '\t' && *str_ptr != '\0')
4264         str_ptr++;
4265     }
4266   }
4267   else if (strncmp(command, "convert ", 8) == 0)
4268   {
4269     char *str_copy = getStringCopy(&command[8]);
4270     char *str_ptr = strchr(str_copy, ' ');
4271
4272     global.convert_leveldir = str_copy;
4273     global.convert_level_nr = -1;
4274
4275     if (str_ptr != NULL)                        /* level number follows */
4276     {
4277       *str_ptr++ = '\0';                        /* terminate leveldir string */
4278       global.convert_level_nr = atoi(str_ptr);  /* get level_nr value */
4279     }
4280   }
4281
4282 #if DEBUG
4283 #if defined(TARGET_SDL)
4284   else if (strEqual(command, "SDL_ListModes"))
4285   {
4286     SDL_Rect **modes;
4287     int i;
4288
4289     SDL_Init(SDL_INIT_VIDEO);
4290
4291     /* get available fullscreen/hardware modes */
4292     modes = SDL_ListModes(NULL, SDL_FULLSCREEN | SDL_HWSURFACE);
4293
4294     /* check if there are any modes available */
4295     if (modes == NULL)
4296     {
4297       printf("No modes available!\n");
4298
4299       exit(-1);
4300     }
4301
4302     /* check if our resolution is restricted */
4303     if (modes == (SDL_Rect **)-1)
4304     {
4305       printf("All resolutions available.\n");
4306     }
4307     else
4308     {
4309       printf("Available Modes:\n");
4310
4311       for(i = 0; modes[i]; i++)
4312         printf("  %d x %d\n", modes[i]->w, modes[i]->h);
4313     }
4314
4315     exit(0);
4316   }
4317 #endif
4318 #endif
4319
4320   else
4321   {
4322     Error(ERR_EXIT_HELP, "unrecognized command '%s'", command);
4323   }
4324 }
4325
4326 static void InitSetup()
4327 {
4328   LoadSetup();                                  /* global setup info */
4329
4330   /* set some options from setup file */
4331
4332   if (setup.options.verbose)
4333     options.verbose = TRUE;
4334 }
4335
4336 static void InitGameInfo()
4337 {
4338   game.restart_level = FALSE;
4339 }
4340
4341 static void InitPlayerInfo()
4342 {
4343   int i;
4344
4345   /* choose default local player */
4346   local_player = &stored_player[0];
4347
4348   for (i = 0; i < MAX_PLAYERS; i++)
4349     stored_player[i].connected = FALSE;
4350
4351   local_player->connected = TRUE;
4352 }
4353
4354 static void InitArtworkInfo()
4355 {
4356   LoadArtworkInfo();
4357 }
4358
4359 static char *get_string_in_brackets(char *string)
4360 {
4361   char *string_in_brackets = checked_malloc(strlen(string) + 3);
4362
4363   sprintf(string_in_brackets, "[%s]", string);
4364
4365   return string_in_brackets;
4366 }
4367
4368 static char *get_level_id_suffix(int id_nr)
4369 {
4370   char *id_suffix = checked_malloc(1 + 3 + 1);
4371
4372   if (id_nr < 0 || id_nr > 999)
4373     id_nr = 0;
4374
4375   sprintf(id_suffix, ".%03d", id_nr);
4376
4377   return id_suffix;
4378 }
4379
4380 #if 0
4381 static char *get_element_class_token(int element)
4382 {
4383   char *element_class_name = element_info[element].class_name;
4384   char *element_class_token = checked_malloc(strlen(element_class_name) + 3);
4385
4386   sprintf(element_class_token, "[%s]", element_class_name);
4387
4388   return element_class_token;
4389 }
4390
4391 static char *get_action_class_token(int action)
4392 {
4393   char *action_class_name = &element_action_info[action].suffix[1];
4394   char *action_class_token = checked_malloc(strlen(action_class_name) + 3);
4395
4396   sprintf(action_class_token, "[%s]", action_class_name);
4397
4398   return action_class_token;
4399 }
4400 #endif
4401
4402 static void InitArtworkConfig()
4403 {
4404   static char *image_id_prefix[MAX_NUM_ELEMENTS + NUM_FONTS + 1];
4405   static char *sound_id_prefix[2 * MAX_NUM_ELEMENTS + 1];
4406   static char *music_id_prefix[NUM_MUSIC_PREFIXES + 1];
4407   static char *action_id_suffix[NUM_ACTIONS + 1];
4408   static char *direction_id_suffix[NUM_DIRECTIONS_FULL + 1];
4409   static char *special_id_suffix[NUM_SPECIAL_GFX_ARGS + 1];
4410   static char *level_id_suffix[MAX_LEVELS + 1];
4411   static char *dummy[1] = { NULL };
4412   static char *ignore_generic_tokens[] =
4413   {
4414     "name",
4415     "sort_priority",
4416     NULL
4417   };
4418   static char **ignore_image_tokens;
4419   static char **ignore_sound_tokens;
4420   static char **ignore_music_tokens;
4421   int num_ignore_generic_tokens;
4422   int num_ignore_image_tokens;
4423   int num_ignore_sound_tokens;
4424   int num_ignore_music_tokens;
4425   int i;
4426
4427   /* dynamically determine list of generic tokens to be ignored */
4428   num_ignore_generic_tokens = 0;
4429   for (i = 0; ignore_generic_tokens[i] != NULL; i++)
4430     num_ignore_generic_tokens++;
4431
4432   /* dynamically determine list of image tokens to be ignored */
4433   num_ignore_image_tokens = num_ignore_generic_tokens;
4434   for (i = 0; image_config_vars[i].token != NULL; i++)
4435     num_ignore_image_tokens++;
4436   ignore_image_tokens =
4437     checked_malloc((num_ignore_image_tokens + 1) * sizeof(char *));
4438   for (i = 0; i < num_ignore_generic_tokens; i++)
4439     ignore_image_tokens[i] = ignore_generic_tokens[i];
4440   for (i = 0; i < num_ignore_image_tokens - num_ignore_generic_tokens; i++)
4441     ignore_image_tokens[num_ignore_generic_tokens + i] =
4442       image_config_vars[i].token;
4443   ignore_image_tokens[num_ignore_image_tokens] = NULL;
4444
4445   /* dynamically determine list of sound tokens to be ignored */
4446   num_ignore_sound_tokens = num_ignore_generic_tokens;
4447   ignore_sound_tokens =
4448     checked_malloc((num_ignore_sound_tokens + 1) * sizeof(char *));
4449   for (i = 0; i < num_ignore_generic_tokens; i++)
4450     ignore_sound_tokens[i] = ignore_generic_tokens[i];
4451   ignore_sound_tokens[num_ignore_sound_tokens] = NULL;
4452
4453   /* dynamically determine list of music tokens to be ignored */
4454   num_ignore_music_tokens = num_ignore_generic_tokens;
4455   ignore_music_tokens =
4456     checked_malloc((num_ignore_music_tokens + 1) * sizeof(char *));
4457   for (i = 0; i < num_ignore_generic_tokens; i++)
4458     ignore_music_tokens[i] = ignore_generic_tokens[i];
4459   ignore_music_tokens[num_ignore_music_tokens] = NULL;
4460
4461   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
4462     image_id_prefix[i] = element_info[i].token_name;
4463   for (i = 0; i < NUM_FONTS; i++)
4464     image_id_prefix[MAX_NUM_ELEMENTS + i] = font_info[i].token_name;
4465   image_id_prefix[MAX_NUM_ELEMENTS + NUM_FONTS] = NULL;
4466
4467   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
4468     sound_id_prefix[i] = element_info[i].token_name;
4469   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
4470     sound_id_prefix[MAX_NUM_ELEMENTS + i] =
4471       get_string_in_brackets(element_info[i].class_name);
4472   sound_id_prefix[2 * MAX_NUM_ELEMENTS] = NULL;
4473
4474   for (i = 0; i < NUM_MUSIC_PREFIXES; i++)
4475     music_id_prefix[i] = music_prefix_info[i].prefix;
4476   music_id_prefix[NUM_MUSIC_PREFIXES] = NULL;
4477
4478   for (i = 0; i < NUM_ACTIONS; i++)
4479     action_id_suffix[i] = element_action_info[i].suffix;
4480   action_id_suffix[NUM_ACTIONS] = NULL;
4481
4482   for (i = 0; i < NUM_DIRECTIONS_FULL; i++)
4483     direction_id_suffix[i] = element_direction_info[i].suffix;
4484   direction_id_suffix[NUM_DIRECTIONS_FULL] = NULL;
4485
4486   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
4487     special_id_suffix[i] = special_suffix_info[i].suffix;
4488   special_id_suffix[NUM_SPECIAL_GFX_ARGS] = NULL;
4489
4490   for (i = 0; i < MAX_LEVELS; i++)
4491     level_id_suffix[i] = get_level_id_suffix(i);
4492   level_id_suffix[MAX_LEVELS] = NULL;
4493
4494   InitImageList(image_config, NUM_IMAGE_FILES, image_config_suffix,
4495                 image_id_prefix, action_id_suffix, direction_id_suffix,
4496                 special_id_suffix, ignore_image_tokens);
4497   InitSoundList(sound_config, NUM_SOUND_FILES, sound_config_suffix,
4498                 sound_id_prefix, action_id_suffix, dummy,
4499                 special_id_suffix, ignore_sound_tokens);
4500   InitMusicList(music_config, NUM_MUSIC_FILES, music_config_suffix,
4501                 music_id_prefix, special_id_suffix, level_id_suffix,
4502                 dummy, ignore_music_tokens);
4503 }
4504
4505 static void InitMixer()
4506 {
4507   OpenAudio();
4508   StartMixer();
4509 }
4510
4511 void InitGfx()
4512 {
4513   char *filename_font_initial = NULL;
4514   Bitmap *bitmap_font_initial = NULL;
4515   int font_height;
4516   int i, j;
4517
4518   /* determine settings for initial font (for displaying startup messages) */
4519   for (i = 0; image_config[i].token != NULL; i++)
4520   {
4521     for (j = 0; j < NUM_INITIAL_FONTS; j++)
4522     {
4523       char font_token[128];
4524       int len_font_token;
4525
4526       sprintf(font_token, "%s_%d", CONFIG_TOKEN_FONT_INITIAL, j + 1);
4527       len_font_token = strlen(font_token);
4528
4529       if (strEqual(image_config[i].token, font_token))
4530         filename_font_initial = image_config[i].value;
4531       else if (strlen(image_config[i].token) > len_font_token &&
4532                strncmp(image_config[i].token, font_token, len_font_token) == 0)
4533       {
4534         if (strEqual(&image_config[i].token[len_font_token], ".x"))
4535           font_initial[j].src_x = atoi(image_config[i].value);
4536         else if (strEqual(&image_config[i].token[len_font_token], ".y"))
4537           font_initial[j].src_y = atoi(image_config[i].value);
4538         else if (strEqual(&image_config[i].token[len_font_token], ".width"))
4539           font_initial[j].width = atoi(image_config[i].value);
4540         else if (strEqual(&image_config[i].token[len_font_token],".height"))
4541           font_initial[j].height = atoi(image_config[i].value);
4542       }
4543     }
4544   }
4545
4546   for (j = 0; j < NUM_INITIAL_FONTS; j++)
4547   {
4548     font_initial[j].num_chars = DEFAULT_NUM_CHARS_PER_FONT;
4549     font_initial[j].num_chars_per_line = DEFAULT_NUM_CHARS_PER_LINE;
4550   }
4551
4552   if (filename_font_initial == NULL)    /* should not happen */
4553     Error(ERR_EXIT, "cannot get filename for '%s'", CONFIG_TOKEN_FONT_INITIAL);
4554
4555   /* create additional image buffers for double-buffering and cross-fading */
4556   bitmap_db_cross = CreateBitmap(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH);
4557   bitmap_db_field = CreateBitmap(FXSIZE, FYSIZE, DEFAULT_DEPTH);
4558   bitmap_db_panel = CreateBitmap(DXSIZE, DYSIZE, DEFAULT_DEPTH);
4559   bitmap_db_door  = CreateBitmap(3 * DXSIZE, DYSIZE + VYSIZE, DEFAULT_DEPTH);
4560
4561   /* initialize screen properties */
4562   InitGfxFieldInfo(SX, SY, SXSIZE, SYSIZE,
4563                    REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE,
4564                    bitmap_db_field);
4565   InitGfxDoor1Info(DX, DY, DXSIZE, DYSIZE);
4566   InitGfxDoor2Info(VX, VY, VXSIZE, VYSIZE);
4567   InitGfxScrollbufferInfo(FXSIZE, FYSIZE);
4568
4569   bitmap_font_initial = LoadCustomImage(filename_font_initial);
4570
4571   for (j = 0; j < NUM_INITIAL_FONTS; j++)
4572     font_initial[j].bitmap = bitmap_font_initial;
4573
4574   InitFontGraphicInfo();
4575
4576   font_height = getFontHeight(FC_RED);
4577
4578 #if 1
4579   DrawInitText(getWindowTitleString(), 20, FC_YELLOW);
4580 #else
4581   DrawInitText(getProgramInitString(), 20, FC_YELLOW);
4582 #endif
4583   DrawInitText(PROGRAM_COPYRIGHT_STRING, 50, FC_RED);
4584   DrawInitText(PROGRAM_WEBSITE_STRING, WIN_YSIZE - 20 - font_height, FC_RED);
4585
4586   DrawInitText("Loading graphics", 120, FC_GREEN);
4587 }
4588
4589 void RedrawBackground()
4590 {
4591   BlitBitmap(graphic_info[IMG_GLOBAL_BORDER].bitmap, backbuffer,
4592              0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
4593
4594   redraw_mask = REDRAW_ALL;
4595 }
4596
4597 void InitGfxBackground()
4598 {
4599   int x, y;
4600
4601   fieldbuffer = bitmap_db_field;
4602   SetDrawtoField(DRAW_BACKBUFFER);
4603
4604   RedrawBackground();
4605
4606   ClearRectangle(backbuffer, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
4607   ClearRectangle(bitmap_db_door, 0, 0, 3 * DXSIZE, DYSIZE + VYSIZE);
4608
4609   for (x = 0; x < MAX_BUF_XSIZE; x++)
4610     for (y = 0; y < MAX_BUF_YSIZE; y++)
4611       redraw[x][y] = 0;
4612   redraw_tiles = 0;
4613   redraw_mask = REDRAW_ALL;
4614 }
4615
4616 static void InitLevelInfo()
4617 {
4618   LoadLevelInfo();                              /* global level info */
4619   LoadLevelSetup_LastSeries();                  /* last played series info */
4620   LoadLevelSetup_SeriesInfo();                  /* last played level info */
4621 }
4622
4623 void InitLevelArtworkInfo()
4624 {
4625   LoadLevelArtworkInfo();
4626 }
4627
4628 static void InitImages()
4629 {
4630   setLevelArtworkDir(artwork.gfx_first);
4631
4632 #if 0
4633   printf("::: InitImages for '%s' ['%s', '%s'] ['%s', '%s']\n",
4634          leveldir_current->identifier,
4635          artwork.gfx_current_identifier,
4636          artwork.gfx_current->identifier,
4637          leveldir_current->graphics_set,
4638          leveldir_current->graphics_path);
4639 #endif
4640
4641   ReloadCustomImages();
4642
4643   LoadCustomElementDescriptions();
4644   LoadSpecialMenuDesignSettings();
4645
4646   ReinitializeGraphics();
4647 }
4648
4649 static void InitSound(char *identifier)
4650 {
4651   if (identifier == NULL)
4652     identifier = artwork.snd_current->identifier;
4653
4654   /* set artwork path to send it to the sound server process */
4655   setLevelArtworkDir(artwork.snd_first);
4656
4657   InitReloadCustomSounds(identifier);
4658   ReinitializeSounds();
4659 }
4660
4661 static void InitMusic(char *identifier)
4662 {
4663   if (identifier == NULL)
4664     identifier = artwork.mus_current->identifier;
4665
4666   /* set artwork path to send it to the sound server process */
4667   setLevelArtworkDir(artwork.mus_first);
4668
4669   InitReloadCustomMusic(identifier);
4670   ReinitializeMusic();
4671 }
4672
4673 void InitNetworkServer()
4674 {
4675 #if defined(NETWORK_AVALIABLE)
4676   int nr_wanted;
4677 #endif
4678
4679   if (!options.network)
4680     return;
4681
4682 #if defined(NETWORK_AVALIABLE)
4683   nr_wanted = Request("Choose player", REQ_PLAYER | REQ_STAY_CLOSED);
4684
4685   if (!ConnectToServer(options.server_host, options.server_port))
4686     Error(ERR_EXIT, "cannot connect to network game server");
4687
4688   SendToServer_PlayerName(setup.player_name);
4689   SendToServer_ProtocolVersion();
4690
4691   if (nr_wanted)
4692     SendToServer_NrWanted(nr_wanted);
4693 #endif
4694 }
4695
4696 static char *getNewArtworkIdentifier(int type)
4697 {
4698   static char *leveldir_current_identifier[3] = { NULL, NULL, NULL };
4699   static boolean last_override_level_artwork[3] = { FALSE, FALSE, FALSE };
4700   static boolean last_has_level_artwork_set[3] = { FALSE, FALSE, FALSE };
4701   static boolean initialized[3] = { FALSE, FALSE, FALSE };
4702   TreeInfo *artwork_first_node = ARTWORK_FIRST_NODE(artwork, type);
4703   boolean setup_override_artwork = SETUP_OVERRIDE_ARTWORK(setup, type);
4704   char *setup_artwork_set = SETUP_ARTWORK_SET(setup, type);
4705   char *leveldir_identifier = leveldir_current->identifier;
4706 #if 1
4707   /* !!! setLevelArtworkDir() should be moved to an earlier stage !!! */
4708   char *leveldir_artwork_set = setLevelArtworkDir(artwork_first_node);
4709 #else
4710   char *leveldir_artwork_set = LEVELDIR_ARTWORK_SET(leveldir_current, type);
4711 #endif
4712   boolean has_level_artwork_set = (leveldir_artwork_set != NULL);
4713   char *artwork_current_identifier;
4714   char *artwork_new_identifier = NULL;  /* default: nothing has changed */
4715
4716   /* leveldir_current may be invalid (level group, parent link) */
4717   if (!validLevelSeries(leveldir_current))
4718     return NULL;
4719
4720   /* 1st step: determine artwork set to be activated in descending order:
4721      --------------------------------------------------------------------
4722      1. setup artwork (when configured to override everything else)
4723      2. artwork set configured in "levelinfo.conf" of current level set
4724         (artwork in level directory will have priority when loading later)
4725      3. artwork in level directory (stored in artwork sub-directory)
4726      4. setup artwork (currently configured in setup menu) */
4727
4728   if (setup_override_artwork)
4729     artwork_current_identifier = setup_artwork_set;
4730   else if (leveldir_artwork_set != NULL)
4731     artwork_current_identifier = leveldir_artwork_set;
4732   else if (getTreeInfoFromIdentifier(artwork_first_node, leveldir_identifier))
4733     artwork_current_identifier = leveldir_identifier;
4734   else
4735     artwork_current_identifier = setup_artwork_set;
4736
4737
4738   /* 2nd step: check if it is really needed to reload artwork set
4739      ------------------------------------------------------------ */
4740
4741 #if 0
4742   if (type == ARTWORK_TYPE_GRAPHICS)
4743     printf("::: 0: '%s' ['%s', '%s'] ['%s' ('%s')]\n",
4744            artwork_new_identifier,
4745            ARTWORK_CURRENT_IDENTIFIER(artwork, type),
4746            artwork_current_identifier,
4747            leveldir_current->graphics_set,
4748            leveldir_current->identifier);
4749 #endif
4750
4751   /* ---------- reload if level set and also artwork set has changed ------- */
4752   if (leveldir_current_identifier[type] != leveldir_identifier &&
4753       (last_has_level_artwork_set[type] || has_level_artwork_set))
4754     artwork_new_identifier = artwork_current_identifier;
4755
4756   leveldir_current_identifier[type] = leveldir_identifier;
4757   last_has_level_artwork_set[type] = has_level_artwork_set;
4758
4759 #if 0
4760   if (type == ARTWORK_TYPE_GRAPHICS)
4761     printf("::: 1: '%s'\n", artwork_new_identifier);
4762 #endif
4763
4764   /* ---------- reload if "override artwork" setting has changed ----------- */
4765   if (last_override_level_artwork[type] != setup_override_artwork)
4766     artwork_new_identifier = artwork_current_identifier;
4767
4768   last_override_level_artwork[type] = setup_override_artwork;
4769
4770 #if 0
4771   if (type == ARTWORK_TYPE_GRAPHICS)
4772     printf("::: 2: '%s'\n", artwork_new_identifier);
4773 #endif
4774
4775   /* ---------- reload if current artwork identifier has changed ----------- */
4776   if (!strEqual(ARTWORK_CURRENT_IDENTIFIER(artwork, type),
4777                 artwork_current_identifier))
4778     artwork_new_identifier = artwork_current_identifier;
4779
4780   *(ARTWORK_CURRENT_IDENTIFIER_PTR(artwork, type))= artwork_current_identifier;
4781
4782 #if 0
4783   if (type == ARTWORK_TYPE_GRAPHICS)
4784     printf("::: 3: '%s'\n", artwork_new_identifier);
4785 #endif
4786
4787   /* ---------- do not reload directly after starting ---------------------- */
4788   if (!initialized[type])
4789     artwork_new_identifier = NULL;
4790
4791   initialized[type] = TRUE;
4792
4793 #if 0
4794   if (type == ARTWORK_TYPE_GRAPHICS)
4795     printf("::: 4: '%s'\n", artwork_new_identifier);
4796 #endif
4797
4798 #if 0
4799   if (type == ARTWORK_TYPE_GRAPHICS)
4800     printf("CHECKING OLD/NEW GFX:\n- OLD: %s\n- NEW: %s ['%s', '%s'] ['%s']\n",
4801            artwork.gfx_current_identifier, artwork_current_identifier,
4802            artwork.gfx_current->identifier, leveldir_current->graphics_set,
4803            artwork_new_identifier);
4804 #endif
4805
4806   return artwork_new_identifier;
4807 }
4808
4809 void ReloadCustomArtwork(int force_reload)
4810 {
4811   char *gfx_new_identifier;
4812   char *snd_new_identifier;
4813   char *mus_new_identifier;
4814   boolean force_reload_gfx = (force_reload & (1 << ARTWORK_TYPE_GRAPHICS));
4815   boolean force_reload_snd = (force_reload & (1 << ARTWORK_TYPE_SOUNDS));
4816   boolean force_reload_mus = (force_reload & (1 << ARTWORK_TYPE_MUSIC));
4817   boolean redraw_screen = FALSE;
4818
4819   force_reload_gfx |= AdjustGraphicsForEMC();
4820
4821   gfx_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_GRAPHICS);
4822   snd_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_SOUNDS);
4823   mus_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_MUSIC);
4824
4825   if (gfx_new_identifier != NULL || force_reload_gfx)
4826   {
4827 #if 0
4828     printf("RELOADING GRAPHICS '%s' -> '%s' ['%s', '%s']\n",
4829            artwork.gfx_current_identifier,
4830            gfx_new_identifier,
4831            artwork.gfx_current->identifier,
4832            leveldir_current->graphics_set);
4833 #endif
4834
4835     ClearRectangle(window, 0, 0, WIN_XSIZE, WIN_YSIZE);
4836
4837     InitImages();
4838
4839     redraw_screen = TRUE;
4840   }
4841
4842   if (snd_new_identifier != NULL || force_reload_snd)
4843   {
4844     ClearRectangle(window, 0, 0, WIN_XSIZE, WIN_YSIZE);
4845
4846     InitSound(snd_new_identifier);
4847
4848     redraw_screen = TRUE;
4849   }
4850
4851   if (mus_new_identifier != NULL || force_reload_mus)
4852   {
4853     ClearRectangle(window, 0, 0, WIN_XSIZE, WIN_YSIZE);
4854
4855     InitMusic(mus_new_identifier);
4856
4857     redraw_screen = TRUE;
4858   }
4859
4860   if (redraw_screen)
4861   {
4862     RedrawBackground();
4863
4864     /* force redraw of (open or closed) door graphics */
4865     SetDoorState(DOOR_OPEN_ALL);
4866     CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
4867   }
4868 }
4869
4870 void KeyboardAutoRepeatOffUnlessAutoplay()
4871 {
4872   if (global.autoplay_leveldir == NULL)
4873     KeyboardAutoRepeatOff();
4874 }
4875
4876
4877 /* ========================================================================= */
4878 /* OpenAll()                                                                 */
4879 /* ========================================================================= */
4880
4881 void OpenAll()
4882 {
4883   InitGlobal();                 /* initialize some global variables */
4884
4885   if (options.execute_command)
4886     Execute_Command(options.execute_command);
4887
4888   if (options.serveronly)
4889   {
4890 #if defined(PLATFORM_UNIX)
4891     NetworkServer(options.server_port, options.serveronly);
4892 #else
4893     Error(ERR_WARN, "networking only supported in Unix version");
4894 #endif
4895
4896     exit(0);                    /* never reached, server loops forever */
4897   }
4898
4899   InitSetup();
4900
4901   InitGameInfo();
4902   InitPlayerInfo();
4903   InitArtworkInfo();            /* needed before loading gfx, sound & music */
4904   InitArtworkConfig();          /* needed before forking sound child process */
4905   InitMixer();
4906
4907   InitCounter();
4908
4909   InitRND(NEW_RANDOMIZE);
4910   InitSimpleRandom(NEW_RANDOMIZE);
4911
4912   InitJoysticks();
4913
4914   InitVideoDisplay();
4915   InitVideoBuffer(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH, setup.fullscreen);
4916
4917   InitEventFilter(FilterMouseMotionEvents);
4918
4919   InitElementPropertiesStatic();
4920   InitElementPropertiesEngine(GAME_VERSION_ACTUAL);
4921
4922   InitGfx();
4923
4924   // debug_print_timestamp(0, "INIT");
4925   InitLevelInfo();
4926   // debug_print_timestamp(0, "TIME InitLevelInfo:        ");
4927   InitLevelArtworkInfo();
4928   // debug_print_timestamp(0, "TIME InitLevelArtworkInfo: ");
4929
4930   InitImages();                 /* needs to know current level directory */
4931   InitSound(NULL);              /* needs to know current level directory */
4932   InitMusic(NULL);              /* needs to know current level directory */
4933
4934   InitGfxBackground();
4935
4936 #if 1
4937   em_open_all();
4938 #endif
4939
4940   if (global.autoplay_leveldir)
4941   {
4942     AutoPlayTape();
4943     return;
4944   }
4945   else if (global.convert_leveldir)
4946   {
4947     ConvertLevels();
4948     return;
4949   }
4950
4951   game_status = GAME_MODE_MAIN;
4952
4953   DrawMainMenu();
4954
4955   InitNetworkServer();
4956 }
4957
4958 void CloseAllAndExit(int exit_value)
4959 {
4960   StopSounds();
4961   FreeAllSounds();
4962   FreeAllMusic();
4963   CloseAudio();         /* called after freeing sounds (needed for SDL) */
4964
4965 #if 1
4966   em_close_all();
4967 #endif
4968
4969   FreeAllImages();
4970
4971 #if defined(TARGET_SDL)
4972   if (network_server)   /* terminate network server */
4973     SDL_KillThread(server_thread);
4974 #endif
4975
4976   CloseVideoDisplay();
4977   ClosePlatformDependentStuff();
4978
4979   if (exit_value != 0)
4980     NotifyUserAboutErrorFile();
4981
4982   exit(exit_value);
4983 }