src/init.c

   1 /***********************************************************
   2 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
   3 *----------------------------------------------------------*
   4 * (c) 1995-2002 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
  28 #include "conf_e2g.c"   /* include auto-generated data structure definitions */
  29 #include "conf_esg.c"   /* include auto-generated data structure definitions */
  30 #include "conf_e2s.c"   /* include auto-generated data structure definitions */
  31 #include "conf_fnt.c"   /* include auto-generated data structure definitions */
  32
  33
  34 #define CONFIG_TOKEN_FONT_INITIAL               "font.initial"
  35
  36
  37 struct FontBitmapInfo font_initial[NUM_INITIAL_FONTS];
  38
  39
  40 static void InitTileClipmasks()
  41 {
  42 #if 0
  43 #if defined(TARGET_X11)
  44   XGCValues clip_gc_values;
  45   unsigned long clip_gc_valuemask;
  46
  47 #if defined(TARGET_X11_NATIVE)
  48
  49 #if 0
  50   GC copy_clipmask_gc;
  51
  52   static struct
  53   {
  54     int start;
  55     int count;
  56   }
  57   tile_needs_clipping[] =
  58   {
  59     { GFX_SPIELER1_UP, 4 },
  60     { GFX_SPIELER1_DOWN, 4 },
  61     { GFX_SPIELER1_LEFT, 4 },
  62     { GFX_SPIELER1_RIGHT, 4 },
  63     { GFX_SPIELER1_PUSH_LEFT, 4 },
  64     { GFX_SPIELER1_PUSH_RIGHT, 4 },
  65     { GFX_SPIELER2_UP, 4 },
  66     { GFX_SPIELER2_DOWN, 4 },
  67     { GFX_SPIELER2_LEFT, 4 },
  68     { GFX_SPIELER2_RIGHT, 4 },
  69     { GFX_SPIELER2_PUSH_LEFT, 4 },
  70     { GFX_SPIELER2_PUSH_RIGHT, 4 },
  71     { GFX_SPIELER3_UP, 4 },
  72     { GFX_SPIELER3_DOWN, 4 },
  73     { GFX_SPIELER3_LEFT, 4 },
  74     { GFX_SPIELER3_RIGHT, 4 },
  75     { GFX_SPIELER3_PUSH_LEFT, 4 },
  76     { GFX_SPIELER3_PUSH_RIGHT, 4 },
  77     { GFX_SPIELER4_UP, 4 },
  78     { GFX_SPIELER4_DOWN, 4 },
  79     { GFX_SPIELER4_LEFT, 4 },
  80     { GFX_SPIELER4_RIGHT, 4 },
  81     { GFX_SPIELER4_PUSH_LEFT, 4 },
  82     { GFX_SPIELER4_PUSH_RIGHT, 4 },
  83     { GFX_SP_MURPHY, 1 },
  84     { GFX_MURPHY_GO_LEFT, 3 },
  85     { GFX_MURPHY_GO_RIGHT, 3 },
  86     { GFX_MURPHY_SNAP_UP, 1 },
  87     { GFX_MURPHY_SNAP_DOWN, 1 },
  88     { GFX_MURPHY_SNAP_RIGHT, 1 },
  89     { GFX_MURPHY_SNAP_LEFT, 1 },
  90     { GFX_MURPHY_PUSH_RIGHT, 1 },
  91     { GFX_MURPHY_PUSH_LEFT, 1 },
  92     { GFX_GEBLUBBER, 4 },
  93     { GFX_DYNAMIT, 7 },
  94     { GFX_DYNABOMB, 4 },
  95     { GFX_EXPLOSION, 8 },
  96     { GFX_SOKOBAN_OBJEKT, 1 },
  97     { GFX_FUNKELN_BLAU, 3 },
  98     { GFX_FUNKELN_WEISS, 3 },
  99     { GFX2_SHIELD_PASSIVE, 3 },
 100     { GFX2_SHIELD_ACTIVE, 3 },
 101     { -1, 0 }
 102   };
 103 #endif
 104
 105 #endif /* TARGET_X11_NATIVE */
 106 #endif /* TARGET_X11 */
 107
 108   int i;
 109
 110   /* initialize pixmap array for special X11 tile clipping to Pixmap 'None' */
 111   for (i=0; i<NUM_TILES; i++)
 112     tile_clipmask[i] = None;
 113
 114 #if defined(TARGET_X11)
 115   /* This stuff is needed because X11 (XSetClipOrigin(), to be precise) is
 116      often very slow when preparing a masked XCopyArea() for big Pixmaps.
 117      To prevent this, create small (tile-sized) mask Pixmaps which will then
 118      be set much faster with XSetClipOrigin() and speed things up a lot. */
 119
 120   clip_gc_values.graphics_exposures = False;
 121   clip_gc_valuemask = GCGraphicsExposures;
 122   tile_clip_gc = XCreateGC(display, window->drawable,
 123                            clip_gc_valuemask, &clip_gc_values);
 124
 125 #if 0
 126   for (i=0; i<NUM_BITMAPS; i++)
 127   {
 128     if (pix[i]->clip_mask)
 129     {
 130       clip_gc_values.graphics_exposures = False;
 131       clip_gc_values.clip_mask = pix[i]->clip_mask;
 132       clip_gc_valuemask = GCGraphicsExposures | GCClipMask;
 133       pix[i]->stored_clip_gc = XCreateGC(display, window->drawable,
 134                                          clip_gc_valuemask, &clip_gc_values);
 135     }
 136   }
 137 #endif
 138
 139 #if defined(TARGET_X11_NATIVE)
 140
 141 #if 0
 142   /* create graphic context structures needed for clipping */
 143   clip_gc_values.graphics_exposures = False;
 144   clip_gc_valuemask = GCGraphicsExposures;
 145   copy_clipmask_gc = XCreateGC(display, pix[PIX_BACK]->clip_mask,
 146                                clip_gc_valuemask, &clip_gc_values);
 147
 148   /* create only those clipping Pixmaps we really need */
 149   for (i=0; tile_needs_clipping[i].start>=0; i++)
 150   {
 151     int j;
 152
 153     for (j=0; j<tile_needs_clipping[i].count; j++)
 154     {
 155       int tile = tile_needs_clipping[i].start + j;
 156       int graphic = tile;
 157       int src_x, src_y;
 158       Bitmap *src_bitmap;
 159       Pixmap src_pixmap;
 160
 161       getGraphicSource(graphic, &src_bitmap, &src_x, &src_y);
 162       src_pixmap = src_bitmap->clip_mask;
 163
 164       tile_clipmask[tile] = XCreatePixmap(display, window->drawable,
 165                                           TILEX, TILEY, 1);
 166
 167       XCopyArea(display, src_pixmap, tile_clipmask[tile], copy_clipmask_gc,
 168                 src_x, src_y, TILEX, TILEY, 0, 0);
 169     }
 170   }
 171
 172   XFreeGC(display, copy_clipmask_gc);
 173 #endif
 174
 175 #endif /* TARGET_X11_NATIVE */
 176 #endif /* TARGET_X11 */
 177 #endif
 178 }
 179
 180 void FreeTileClipmasks()
 181 {
 182 #if 0
 183 #if defined(TARGET_X11)
 184   int i;
 185
 186   for (i=0; i<NUM_TILES; i++)
 187   {
 188     if (tile_clipmask[i] != None)
 189     {
 190       XFreePixmap(display, tile_clipmask[i]);
 191       tile_clipmask[i] = None;
 192     }
 193   }
 194
 195   if (tile_clip_gc)
 196     XFreeGC(display, tile_clip_gc);
 197   tile_clip_gc = None;
 198
 199 #if 0
 200   for (i=0; i<NUM_BITMAPS; i++)
 201   {
 202     if (pix[i] != NULL && pix[i]->stored_clip_gc)
 203     {
 204       XFreeGC(display, pix[i]->stored_clip_gc);
 205       pix[i]->stored_clip_gc = None;
 206     }
 207   }
 208 #endif
 209
 210 #endif /* TARGET_X11 */
 211 #endif
 212 }
 213
 214 void FreeGadgets()
 215 {
 216   FreeLevelEditorGadgets();
 217   FreeGameButtons();
 218   FreeTapeButtons();
 219   FreeToolButtons();
 220   FreeScreenGadgets();
 221 }
 222
 223 void InitGadgets()
 224 {
 225   static boolean gadgets_initialized = FALSE;
 226
 227   if (gadgets_initialized)
 228     FreeGadgets();
 229
 230   CreateLevelEditorGadgets();
 231   CreateGameButtons();
 232   CreateTapeButtons();
 233   CreateToolButtons();
 234   CreateScreenGadgets();
 235
 236   gadgets_initialized = TRUE;
 237 }
 238
 239 void InitElementSmallImages()
 240 {
 241   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
 242   int num_property_mappings = getImageListPropertyMappingSize();
 243   int i;
 244
 245   /* initialize normal images from static configuration */
 246   for (i=0; element_to_graphic[i].element > -1; i++)
 247     CreateImageWithSmallImages(element_to_graphic[i].graphic);
 248
 249   /* initialize special images from static configuration */
 250   for (i=0; element_to_special_graphic[i].element > -1; i++)
 251     CreateImageWithSmallImages(element_to_special_graphic[i].graphic);
 252
 253   /* initialize images from dynamic configuration */
 254   for (i=0; i < num_property_mappings; i++)
 255     if (property_mapping[i].artwork_index < MAX_NUM_ELEMENTS)
 256       CreateImageWithSmallImages(property_mapping[i].artwork_index);
 257 }
 258
 259 static int getFontBitmapID(int font_nr)
 260 {
 261   int special = -1;
 262
 263   if (game_status >= GAME_MODE_MAIN && game_status <= GAME_MODE_PSEUDO_PREVIEW)
 264     special = game_status;
 265   else if (game_status == GAME_MODE_PSEUDO_TYPENAME)
 266     special = GFX_SPECIAL_ARG_MAIN;
 267   else if (game_status == GAME_MODE_PLAYING)
 268     special = GFX_SPECIAL_ARG_DOOR;
 269
 270   if (special != -1)
 271     return font_info[font_nr].special_bitmap_id[special];
 272   else
 273     return font_nr;
 274 }
 275
 276 void InitFontGraphicInfo()
 277 {
 278   static struct FontBitmapInfo *font_bitmap_info = NULL;
 279   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
 280   int num_property_mappings = getImageListPropertyMappingSize();
 281   int num_font_bitmaps = NUM_FONTS;
 282   int i, j;
 283
 284   if (graphic_info == NULL)             /* still at startup phase */
 285   {
 286     InitFontInfo(font_initial, NUM_INITIAL_FONTS, getFontBitmapID);
 287
 288     return;
 289   }
 290
 291   /* ---------- initialize font graphic definitions ---------- */
 292
 293   /* always start with reliable default values (normal font graphics) */
 294   for (i=0; i < NUM_FONTS; i++)
 295     font_info[i].graphic = FONT_INITIAL_1;
 296
 297   /* initialize normal font/graphic mapping from static configuration */
 298   for (i=0; font_to_graphic[i].font_nr > -1; i++)
 299   {
 300     int font_nr = font_to_graphic[i].font_nr;
 301     int special = font_to_graphic[i].special;
 302     int graphic = font_to_graphic[i].graphic;
 303
 304     if (special != -1)
 305       continue;
 306
 307     font_info[font_nr].graphic = graphic;
 308   }
 309
 310   /* always start with reliable default values (special font graphics) */
 311   for (i=0; i < NUM_FONTS; i++)
 312   {
 313     for (j=0; j < NUM_SPECIAL_GFX_ARGS; j++)
 314     {
 315       font_info[i].special_graphic[j] = font_info[i].graphic;
 316       font_info[i].special_bitmap_id[j] = i;
 317     }
 318   }
 319
 320   /* initialize special font/graphic mapping from static configuration */
 321   for (i=0; font_to_graphic[i].font_nr > -1; i++)
 322   {
 323     int font_nr = font_to_graphic[i].font_nr;
 324     int special = font_to_graphic[i].special;
 325     int graphic = font_to_graphic[i].graphic;
 326
 327     if (special >= 0 && special < NUM_SPECIAL_GFX_ARGS)
 328     {
 329       font_info[font_nr].special_graphic[special] = graphic;
 330       font_info[font_nr].special_bitmap_id[special] = num_font_bitmaps;
 331       num_font_bitmaps++;
 332     }
 333   }
 334
 335   /* initialize special element/graphic mapping from dynamic configuration */
 336   for (i=0; i < num_property_mappings; i++)
 337   {
 338     int font_nr = property_mapping[i].base_index - MAX_NUM_ELEMENTS;
 339     int special = property_mapping[i].ext3_index;
 340     int graphic = property_mapping[i].artwork_index;
 341
 342     if (font_nr < 0)
 343       continue;
 344
 345     if (special >= 0 && special < NUM_SPECIAL_GFX_ARGS)
 346     {
 347       font_info[font_nr].special_graphic[special] = graphic;
 348       font_info[font_nr].special_bitmap_id[special] = num_font_bitmaps;
 349       num_font_bitmaps++;
 350     }
 351   }
 352
 353   /* ---------- initialize font bitmap array ---------- */
 354
 355   if (font_bitmap_info != NULL)
 356     FreeFontInfo(font_bitmap_info);
 357
 358   font_bitmap_info =
 359     checked_calloc(num_font_bitmaps * sizeof(struct FontBitmapInfo));
 360
 361   /* ---------- initialize font bitmap definitions ---------- */
 362
 363   for (i=0; i < NUM_FONTS; i++)
 364   {
 365     if (i < NUM_INITIAL_FONTS)
 366     {
 367       font_bitmap_info[i] = font_initial[i];
 368       continue;
 369     }
 370
 371     for (j=0; j < NUM_SPECIAL_GFX_ARGS; j++)
 372     {
 373       int font_bitmap_id = font_info[i].special_bitmap_id[j];
 374       int graphic = font_info[i].special_graphic[j];
 375
 376       /* set 'graphic_info' for font entries, if uninitialized (guessed) */
 377       if (graphic_info[graphic].anim_frames < MIN_NUM_CHARS_PER_FONT)
 378       {
 379         graphic_info[graphic].anim_frames = DEFAULT_NUM_CHARS_PER_FONT;
 380         graphic_info[graphic].anim_frames_per_line= DEFAULT_NUM_CHARS_PER_LINE;
 381       }
 382
 383       /* copy font relevant information from graphics information */
 384       font_bitmap_info[font_bitmap_id].bitmap = graphic_info[graphic].bitmap;
 385       font_bitmap_info[font_bitmap_id].src_x  = graphic_info[graphic].src_x;
 386       font_bitmap_info[font_bitmap_id].src_y  = graphic_info[graphic].src_y;
 387       font_bitmap_info[font_bitmap_id].width  = graphic_info[graphic].width;
 388       font_bitmap_info[font_bitmap_id].height = graphic_info[graphic].height;
 389       font_bitmap_info[font_bitmap_id].draw_x = graphic_info[graphic].draw_x;
 390       font_bitmap_info[font_bitmap_id].draw_y = graphic_info[graphic].draw_y;
 391
 392       font_bitmap_info[font_bitmap_id].num_chars =
 393         graphic_info[graphic].anim_frames;
 394       font_bitmap_info[font_bitmap_id].num_chars_per_line =
 395         graphic_info[graphic].anim_frames_per_line;
 396     }
 397   }
 398
 399   InitFontInfo(font_bitmap_info, num_font_bitmaps, getFontBitmapID);
 400 }
 401
 402 void InitElementGraphicInfo()
 403 {
 404   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
 405   int num_property_mappings = getImageListPropertyMappingSize();
 406   int i, act, dir;
 407
 408   /* set values to -1 to identify later as "uninitialized" values */
 409   for (i=0; i<MAX_NUM_ELEMENTS; i++)
 410   {
 411     for (act=0; act<NUM_ACTIONS; act++)
 412     {
 413       element_info[i].graphic[act] = -1;
 414
 415       for (dir=0; dir<NUM_DIRECTIONS; dir++)
 416         element_info[i].direction_graphic[act][dir] = -1;
 417     }
 418   }
 419
 420   /* initialize normal element/graphic mapping from static configuration */
 421   for (i=0; element_to_graphic[i].element > -1; i++)
 422   {
 423     int element   = element_to_graphic[i].element;
 424     int action    = element_to_graphic[i].action;
 425     int direction = element_to_graphic[i].direction;
 426     int graphic   = element_to_graphic[i].graphic;
 427
 428     if (graphic_info[graphic].bitmap == NULL)
 429       continue;
 430
 431     if (action < 0)
 432       action = ACTION_DEFAULT;
 433
 434     if (direction > -1)
 435       element_info[element].direction_graphic[action][direction] = graphic;
 436     else
 437       element_info[element].graphic[action] = graphic;
 438   }
 439
 440   /* initialize normal element/graphic mapping from dynamic configuration */
 441   for (i=0; i < num_property_mappings; i++)
 442   {
 443     int element   = property_mapping[i].base_index;
 444     int action    = property_mapping[i].ext1_index;
 445     int direction = property_mapping[i].ext2_index;
 446     int special   = property_mapping[i].ext3_index;
 447     int graphic   = property_mapping[i].artwork_index;
 448
 449     if (graphic_info[graphic].bitmap == NULL)
 450       continue;
 451
 452     if (element >= MAX_NUM_ELEMENTS || special != -1)
 453       continue;
 454
 455     if (action < 0)
 456       action = ACTION_DEFAULT;
 457
 458     if (direction > -1)
 459       element_info[element].direction_graphic[action][direction] = graphic;
 460     else
 461       element_info[element].graphic[action] = graphic;
 462   }
 463
 464   /* now set all '-1' values to element specific default values */
 465   for (i=0; i<MAX_NUM_ELEMENTS; i++)
 466   {
 467     int default_action_graphic = element_info[i].graphic[ACTION_DEFAULT];
 468     int default_action_direction_graphic[NUM_DIRECTIONS];
 469
 470     if (default_action_graphic == -1)
 471       default_action_graphic = IMG_CHAR_QUESTION;
 472
 473     for (dir=0; dir<NUM_DIRECTIONS; dir++)
 474     {
 475       default_action_direction_graphic[dir] =
 476         element_info[i].direction_graphic[ACTION_DEFAULT][dir];
 477
 478       if (default_action_direction_graphic[dir] == -1)
 479         default_action_direction_graphic[dir] = default_action_graphic;
 480     }
 481
 482     for (act=0; act<NUM_ACTIONS; act++)
 483     {
 484       boolean act_remove = (act == ACTION_DIGGING ||
 485                             act == ACTION_SNAPPING ||
 486                             act == ACTION_COLLECTING);
 487
 488       for (dir=0; dir<NUM_DIRECTIONS; dir++)
 489       {
 490         int default_direction_graphic = element_info[i].graphic[act];
 491
 492         /* no graphic for current action -- use default direction graphic */
 493         if (default_direction_graphic == -1)
 494           default_direction_graphic =
 495             (act_remove ? IMG_EMPTY : default_action_direction_graphic[dir]);
 496
 497         if (element_info[i].direction_graphic[act][dir] == -1)
 498           element_info[i].direction_graphic[act][dir] =
 499             default_direction_graphic;
 500       }
 501
 502       /* no graphic for this specific action -- use default action graphic */
 503       if (element_info[i].graphic[act] == -1)
 504         element_info[i].graphic[act] =
 505           (act_remove ? IMG_EMPTY : default_action_graphic);
 506     }
 507   }
 508
 509 #if 0
 510 #if DEBUG
 511   if (options.verbose)
 512   {
 513     for (i=0; i<MAX_NUM_ELEMENTS; i++)
 514       if (element_info[i].graphic[ACTION_DEFAULT] == IMG_CHAR_QUESTION &&
 515           i != EL_CHAR_QUESTION)
 516         Error(ERR_RETURN, "warning: no graphic for element '%s' (%d)",
 517               element_info[i].token_name, i);
 518   }
 519 #endif
 520 #endif
 521 }
 522
 523 void InitElementSpecialGraphicInfo()
 524 {
 525   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
 526   int num_property_mappings = getImageListPropertyMappingSize();
 527   int i, j;
 528
 529   /* always start with reliable default values */
 530   for (i=0; i < MAX_NUM_ELEMENTS; i++)
 531     for (j=0; j < NUM_SPECIAL_GFX_ARGS; j++)
 532       element_info[i].special_graphic[j] =
 533         element_info[i].graphic[ACTION_DEFAULT];
 534
 535   /* initialize special element/graphic mapping from static configuration */
 536   for (i=0; element_to_special_graphic[i].element > -1; i++)
 537   {
 538     int element = element_to_special_graphic[i].element;
 539     int special = element_to_special_graphic[i].special;
 540     int graphic = element_to_special_graphic[i].graphic;
 541     boolean base_redefined = getImageListEntry(el2img(element))->redefined;
 542     boolean special_redefined = getImageListEntry(graphic)->redefined;
 543
 544     if (base_redefined && !special_redefined)
 545       continue;
 546
 547     element_info[element].special_graphic[special] = graphic;
 548   }
 549
 550   /* initialize special element/graphic mapping from dynamic configuration */
 551   for (i=0; i < num_property_mappings; i++)
 552   {
 553     int element = property_mapping[i].base_index;
 554     int special = property_mapping[i].ext3_index;
 555     int graphic = property_mapping[i].artwork_index;
 556
 557     if (element >= MAX_NUM_ELEMENTS)
 558       continue;
 559
 560     if (special >= 0 && special < NUM_SPECIAL_GFX_ARGS)
 561       element_info[element].special_graphic[special] = graphic;
 562   }
 563 }
 564
 565 static void set_graphic_parameters(int graphic, char **parameter_raw)
 566 {
 567   Bitmap *src_bitmap = getBitmapFromImageID(graphic);
 568   int parameter[NUM_GFX_ARGS];
 569   int anim_frames_per_row = 1, anim_frames_per_col = 1;
 570   int anim_frames_per_line = 1;
 571   int i;
 572
 573   /* get integer values from string parameters */
 574   for (i=0; i < NUM_GFX_ARGS; i++)
 575     parameter[i] =
 576       get_parameter_value(image_config_suffix[i].token, parameter_raw[i],
 577                           image_config_suffix[i].type);
 578
 579   graphic_info[graphic].bitmap = src_bitmap;
 580
 581   /* start with reliable default values */
 582   graphic_info[graphic].src_x = 0;
 583   graphic_info[graphic].src_y = 0;
 584   graphic_info[graphic].width = TILEX;
 585   graphic_info[graphic].height = TILEY;
 586   graphic_info[graphic].offset_x = 0;   /* one or both of these values ... */
 587   graphic_info[graphic].offset_y = 0;   /* ... will be corrected later */
 588
 589   /* optional x and y tile position of animation frame sequence */
 590   if (parameter[GFX_ARG_XPOS] != ARG_UNDEFINED_VALUE)
 591     graphic_info[graphic].src_x = parameter[GFX_ARG_XPOS] * TILEX;
 592   if (parameter[GFX_ARG_YPOS] != ARG_UNDEFINED_VALUE)
 593     graphic_info[graphic].src_y = parameter[GFX_ARG_YPOS] * TILEY;
 594
 595   /* optional x and y pixel position of animation frame sequence */
 596   if (parameter[GFX_ARG_X] != ARG_UNDEFINED_VALUE)
 597     graphic_info[graphic].src_x = parameter[GFX_ARG_X];
 598   if (parameter[GFX_ARG_Y] != ARG_UNDEFINED_VALUE)
 599     graphic_info[graphic].src_y = parameter[GFX_ARG_Y];
 600
 601   /* optional width and height of each animation frame */
 602   if (parameter[GFX_ARG_WIDTH] != ARG_UNDEFINED_VALUE)
 603     graphic_info[graphic].width = parameter[GFX_ARG_WIDTH];
 604   if (parameter[GFX_ARG_HEIGHT] != ARG_UNDEFINED_VALUE)
 605     graphic_info[graphic].height = parameter[GFX_ARG_HEIGHT];
 606
 607   if (src_bitmap)
 608   {
 609     anim_frames_per_row = src_bitmap->width  / graphic_info[graphic].width;
 610     anim_frames_per_col = src_bitmap->height / graphic_info[graphic].height;
 611   }
 612
 613   /* correct x or y offset dependant of vertical or horizontal frame order */
 614   if (parameter[GFX_ARG_VERTICAL])      /* frames are ordered vertically */
 615   {
 616     graphic_info[graphic].offset_y =
 617       (parameter[GFX_ARG_OFFSET] != ARG_UNDEFINED_VALUE ?
 618        parameter[GFX_ARG_OFFSET] : graphic_info[graphic].height);
 619     anim_frames_per_line = anim_frames_per_col;
 620   }
 621   else                                  /* frames are ordered horizontally */
 622   {
 623     graphic_info[graphic].offset_x =
 624       (parameter[GFX_ARG_OFFSET] != ARG_UNDEFINED_VALUE ?
 625        parameter[GFX_ARG_OFFSET] : graphic_info[graphic].width);
 626     anim_frames_per_line = anim_frames_per_row;
 627   }
 628
 629   /* optionally, the x and y offset of frames can be specified directly */
 630   if (parameter[GFX_ARG_XOFFSET] != ARG_UNDEFINED_VALUE)
 631     graphic_info[graphic].offset_x = parameter[GFX_ARG_XOFFSET];
 632   if (parameter[GFX_ARG_YOFFSET] != ARG_UNDEFINED_VALUE)
 633     graphic_info[graphic].offset_y = parameter[GFX_ARG_YOFFSET];
 634
 635   /* automatically determine correct number of frames, if not defined */
 636   if (parameter[GFX_ARG_FRAMES] != ARG_UNDEFINED_VALUE)
 637     graphic_info[graphic].anim_frames = parameter[GFX_ARG_FRAMES];
 638   else if (parameter[GFX_ARG_XPOS] == 0 && !parameter[GFX_ARG_VERTICAL])
 639     graphic_info[graphic].anim_frames = anim_frames_per_row;
 640   else if (parameter[GFX_ARG_YPOS] == 0 && parameter[GFX_ARG_VERTICAL])
 641     graphic_info[graphic].anim_frames = anim_frames_per_col;
 642   else
 643     graphic_info[graphic].anim_frames = 1;
 644
 645   graphic_info[graphic].anim_frames_per_line =
 646     (parameter[GFX_ARG_FRAMES_PER_LINE] != ARG_UNDEFINED_VALUE ?
 647      parameter[GFX_ARG_FRAMES_PER_LINE] : anim_frames_per_line);
 648
 649   graphic_info[graphic].anim_delay = parameter[GFX_ARG_DELAY];
 650   if (graphic_info[graphic].anim_delay == 0)    /* delay must be at least 1 */
 651     graphic_info[graphic].anim_delay = 1;
 652
 653   graphic_info[graphic].anim_mode = parameter[GFX_ARG_ANIM_MODE];
 654   if (graphic_info[graphic].anim_frames == 1)
 655     graphic_info[graphic].anim_mode = ANIM_NONE;
 656
 657   /* automatically determine correct start frame, if not defined */
 658   if (parameter[GFX_ARG_START_FRAME] == ARG_UNDEFINED_VALUE)
 659     graphic_info[graphic].anim_start_frame = 0;
 660   else if (graphic_info[graphic].anim_mode & ANIM_REVERSE)
 661     graphic_info[graphic].anim_start_frame =
 662       graphic_info[graphic].anim_frames - parameter[GFX_ARG_START_FRAME] - 1;
 663   else
 664     graphic_info[graphic].anim_start_frame = parameter[GFX_ARG_START_FRAME];
 665
 666   /* animation synchronized with global frame counter, not move position */
 667   graphic_info[graphic].anim_global_sync = parameter[GFX_ARG_GLOBAL_SYNC];
 668
 669   /* this is only used for toon animations */
 670   graphic_info[graphic].step_offset = parameter[GFX_ARG_STEP_OFFSET];
 671   graphic_info[graphic].step_delay  = parameter[GFX_ARG_STEP_DELAY];
 672
 673   /* this is only used for drawing font characters */
 674   graphic_info[graphic].draw_x = parameter[GFX_ARG_DRAW_XOFFSET];
 675   graphic_info[graphic].draw_y = parameter[GFX_ARG_DRAW_YOFFSET];
 676 }
 677
 678 static void InitGraphicInfo()
 679 {
 680   int fallback_graphic = IMG_CHAR_EXCLAM;
 681   struct FileInfo *fallback_image = getImageListEntry(fallback_graphic);
 682   Bitmap *fallback_bitmap = getBitmapFromImageID(fallback_graphic);
 683   int num_images = getImageListSize();
 684   int i;
 685
 686 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
 687   static boolean clipmasks_initialized = FALSE;
 688   Pixmap src_pixmap;
 689   XGCValues clip_gc_values;
 690   unsigned long clip_gc_valuemask;
 691   GC copy_clipmask_gc = None;
 692 #endif
 693
 694   if (graphic_info != NULL)
 695     free(graphic_info);
 696
 697   graphic_info = checked_calloc(num_images * sizeof(struct GraphicInfo));
 698
 699 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
 700   if (clipmasks_initialized)
 701   {
 702     for (i=0; i<num_images; i++)
 703     {
 704       if (graphic_info[i].clip_mask)
 705         XFreePixmap(display, graphic_info[i].clip_mask);
 706       if (graphic_info[i].clip_gc)
 707         XFreeGC(display, graphic_info[i].clip_gc);
 708
 709       graphic_info[i].clip_mask = None;
 710       graphic_info[i].clip_gc = None;
 711     }
 712   }
 713 #endif
 714
 715   for (i=0; i<num_images; i++)
 716   {
 717     struct FileInfo *image = getImageListEntry(i);
 718     Bitmap *src_bitmap;
 719     int src_x, src_y;
 720     int first_frame, last_frame;
 721
 722     set_graphic_parameters(i, image->parameter);
 723
 724     /* now check if no animation frames are outside of the loaded image */
 725
 726     if (graphic_info[i].bitmap == NULL)
 727       continue;         /* skip check for optional images that are undefined */
 728
 729     first_frame = 0;
 730     getGraphicSource(i, first_frame, &src_bitmap, &src_x, &src_y);
 731     if (src_x < 0 || src_y < 0 ||
 732         src_x + TILEX > src_bitmap->width ||
 733         src_y + TILEY > src_bitmap->height)
 734     {
 735       Error(ERR_RETURN_LINE, "-");
 736       Error(ERR_RETURN, "warning: error found in config file:");
 737       Error(ERR_RETURN, "- config file: '%s'",
 738             getImageConfigFilename());
 739       Error(ERR_RETURN, "- config token: '%s'",
 740             getTokenFromImageID(i));
 741       Error(ERR_RETURN, "- image file: '%s'",
 742             src_bitmap->source_filename);
 743       Error(ERR_RETURN,
 744             "error: first animation frame out of bounds (%d, %d)",
 745             src_x, src_y);
 746       Error(ERR_RETURN, "custom graphic rejected for this element/action");
 747
 748       if (i == fallback_graphic)
 749         Error(ERR_EXIT, "fatal error: no fallback graphic available");
 750
 751       Error(ERR_RETURN, "fallback done to 'char_exclam' for this graphic");
 752       Error(ERR_RETURN_LINE, "-");
 753
 754       set_graphic_parameters(i, fallback_image->default_parameter);
 755       graphic_info[i].bitmap = fallback_bitmap;
 756     }
 757
 758     last_frame = graphic_info[i].anim_frames - 1;
 759     getGraphicSource(i, last_frame, &src_bitmap, &src_x, &src_y);
 760     if (src_x < 0 || src_y < 0 ||
 761         src_x + TILEX > src_bitmap->width ||
 762         src_y + TILEY > src_bitmap->height)
 763     {
 764       Error(ERR_RETURN_LINE, "-");
 765       Error(ERR_RETURN, "warning: error found in config file:");
 766       Error(ERR_RETURN, "- config file: '%s'",
 767             getImageConfigFilename());
 768       Error(ERR_RETURN, "- config token: '%s'",
 769             getTokenFromImageID(i));
 770       Error(ERR_RETURN, "- image file: '%s'",
 771             src_bitmap->source_filename);
 772       Error(ERR_RETURN,
 773             "error: last animation frame (%d) out of bounds (%d, %d)",
 774             last_frame, src_x, src_y);
 775       Error(ERR_RETURN, "custom graphic rejected for this element/action");
 776
 777       if (i == fallback_graphic)
 778         Error(ERR_EXIT, "fatal error: no fallback graphic available");
 779
 780       Error(ERR_RETURN, "fallback done to 'char_exclam' for this graphic");
 781       Error(ERR_RETURN_LINE, "-");
 782
 783       set_graphic_parameters(i, fallback_image->default_parameter);
 784       graphic_info[i].bitmap = fallback_bitmap;
 785     }
 786
 787 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
 788     /* currently we need only a tile clip mask from the first frame */
 789     getGraphicSource(i, first_frame, &src_bitmap, &src_x, &src_y);
 790
 791     if (copy_clipmask_gc == None)
 792     {
 793       clip_gc_values.graphics_exposures = False;
 794       clip_gc_valuemask = GCGraphicsExposures;
 795       copy_clipmask_gc = XCreateGC(display, src_bitmap->clip_mask,
 796                                    clip_gc_valuemask, &clip_gc_values);
 797     }
 798
 799     graphic_info[i].clip_mask =
 800       XCreatePixmap(display, window->drawable, TILEX, TILEY, 1);
 801
 802     src_pixmap = src_bitmap->clip_mask;
 803     XCopyArea(display, src_pixmap, graphic_info[i].clip_mask,
 804               copy_clipmask_gc, src_x, src_y, TILEX, TILEY, 0, 0);
 805
 806     clip_gc_values.graphics_exposures = False;
 807     clip_gc_values.clip_mask = graphic_info[i].clip_mask;
 808     clip_gc_valuemask = GCGraphicsExposures | GCClipMask;
 809
 810     graphic_info[i].clip_gc =
 811       XCreateGC(display, window->drawable, clip_gc_valuemask, &clip_gc_values);
 812 #endif
 813   }
 814
 815 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
 816   if (copy_clipmask_gc)
 817     XFreeGC(display, copy_clipmask_gc);
 818
 819   clipmasks_initialized = TRUE;
 820 #endif
 821 }
 822
 823 static void InitElementSoundInfo()
 824 {
 825   struct PropertyMapping *property_mapping = getSoundListPropertyMapping();
 826   int num_property_mappings = getSoundListPropertyMappingSize();
 827   int i, j, act;
 828
 829   /* set values to -1 to identify later as "uninitialized" values */
 830   for (i=0; i < MAX_NUM_ELEMENTS; i++)
 831     for (act=0; act < NUM_ACTIONS; act++)
 832       element_info[i].sound[act] = -1;
 833
 834   /* initialize element/sound mapping from static configuration */
 835   for (i=0; element_to_sound[i].element > -1; i++)
 836   {
 837     int element      = element_to_sound[i].element;
 838     int action       = element_to_sound[i].action;
 839     int sound        = element_to_sound[i].sound;
 840     boolean is_class = element_to_sound[i].is_class;
 841
 842     if (action < 0)
 843       action = ACTION_DEFAULT;
 844
 845     if (!is_class)
 846       element_info[element].sound[action] = sound;
 847     else
 848       for (j=0; j < MAX_NUM_ELEMENTS; j++)
 849         if (strcmp(element_info[j].class_name,
 850                    element_info[element].class_name) == 0)
 851           element_info[j].sound[action] = sound;
 852   }
 853
 854   /* initialize element/sound mapping from dynamic configuration */
 855   for (i=0; i < num_property_mappings; i++)
 856   {
 857     int element = property_mapping[i].base_index;
 858     int action  = property_mapping[i].ext1_index;
 859     int sound   = property_mapping[i].artwork_index;
 860
 861     if (element >= MAX_NUM_ELEMENTS)
 862       continue;
 863
 864     if (action < 0)
 865       action = ACTION_DEFAULT;
 866
 867     element_info[element].sound[action] = sound;
 868   }
 869
 870   /* initialize element class/sound mapping from dynamic configuration */
 871   for (i=0; i < num_property_mappings; i++)
 872   {
 873     int element_class = property_mapping[i].base_index - MAX_NUM_ELEMENTS;
 874     int action        = property_mapping[i].ext1_index;
 875     int sound         = property_mapping[i].artwork_index;
 876
 877     if (element_class < 0 || element_class >= MAX_NUM_ELEMENTS)
 878       continue;
 879
 880     if (action < 0)
 881       action = ACTION_DEFAULT;
 882
 883     for (j=0; j < MAX_NUM_ELEMENTS; j++)
 884       if (strcmp(element_info[j].class_name,
 885                  element_info[element_class].class_name) == 0)
 886         element_info[j].sound[action] = sound;
 887   }
 888
 889   /* now set all '-1' values to element specific default values */
 890   for (i=0; i<MAX_NUM_ELEMENTS; i++)
 891   {
 892     int default_action_sound = element_info[i].sound[ACTION_DEFAULT];
 893
 894     for (act=0; act < NUM_ACTIONS; act++)
 895     {
 896       /* no sound for this specific action -- use default action sound */
 897       if (element_info[i].sound[act] == -1)
 898         element_info[i].sound[act] = default_action_sound;
 899     }
 900   }
 901 }
 902
 903 static void set_sound_parameters(int sound, char **parameter_raw)
 904 {
 905   int parameter[NUM_SND_ARGS];
 906   int i;
 907
 908   /* get integer values from string parameters */
 909   for (i=0; i < NUM_SND_ARGS; i++)
 910     parameter[i] =
 911       get_parameter_value(sound_config_suffix[i].token, parameter_raw[i],
 912                           sound_config_suffix[i].type);
 913
 914   /* explicit loop mode setting in configuration overrides default value */
 915   if (parameter[SND_ARG_MODE_LOOP] != ARG_UNDEFINED_VALUE)
 916     sound_info[sound].loop = parameter[SND_ARG_MODE_LOOP];
 917 }
 918
 919 static void InitSoundInfo()
 920 {
 921   struct PropertyMapping *property_mapping = getSoundListPropertyMapping();
 922   int num_property_mappings = getSoundListPropertyMappingSize();
 923   int *sound_effect_properties;
 924   int num_sounds = getSoundListSize();
 925   int i, j;
 926
 927   if (sound_info != NULL)
 928     free(sound_info);
 929
 930   sound_effect_properties = checked_calloc(num_sounds * sizeof(int));
 931   sound_info = checked_calloc(num_sounds * sizeof(struct SoundInfo));
 932
 933   /* initialize sound effect for all elements to "no sound" */
 934   for (i=0; i<MAX_NUM_ELEMENTS; i++)
 935     for (j=0; j<NUM_ACTIONS; j++)
 936       element_info[i].sound[j] = SND_UNDEFINED;
 937
 938   for (i=0; i<num_sounds; i++)
 939   {
 940     struct FileInfo *sound = getSoundListEntry(i);
 941     int len_effect_text = strlen(sound->token);
 942
 943     sound_effect_properties[i] = ACTION_OTHER;
 944     sound_info[i].loop = FALSE;
 945
 946     /* determine all loop sounds and identify certain sound classes */
 947
 948     for (j=0; element_action_info[j].suffix; j++)
 949     {
 950       int len_action_text = strlen(element_action_info[j].suffix);
 951
 952       if (len_action_text < len_effect_text &&
 953           strcmp(&sound->token[len_effect_text - len_action_text],
 954                  element_action_info[j].suffix) == 0)
 955       {
 956         sound_effect_properties[i] = element_action_info[j].value;
 957
 958         if (element_action_info[j].is_loop_sound)
 959           sound_info[i].loop = TRUE;
 960       }
 961     }
 962
 963     /* associate elements and some selected sound actions */
 964
 965     for (j=0; j<MAX_NUM_ELEMENTS; j++)
 966     {
 967       if (element_info[j].class_name)
 968       {
 969         int len_class_text = strlen(element_info[j].class_name);
 970
 971         if (len_class_text + 1 < len_effect_text &&
 972             strncmp(sound->token,
 973                     element_info[j].class_name, len_class_text) == 0 &&
 974             sound->token[len_class_text] == '.')
 975         {
 976           int sound_action_value = sound_effect_properties[i];
 977
 978           element_info[j].sound[sound_action_value] = i;
 979         }
 980       }
 981     }
 982
 983     set_sound_parameters(i, sound->parameter);
 984   }
 985
 986   free(sound_effect_properties);
 987
 988   /* initialize element/sound mapping from dynamic configuration */
 989   for (i=0; i < num_property_mappings; i++)
 990   {
 991     int element   = property_mapping[i].base_index;
 992     int action    = property_mapping[i].ext1_index;
 993     int sound     = property_mapping[i].artwork_index;
 994
 995     if (action < 0)
 996       action = ACTION_DEFAULT;
 997
 998     element_info[element].sound[action] = sound;
 999   }
1000
1001 #if 0
1002   /* TEST ONLY */
1003   {
1004     int element = EL_CUSTOM_11;
1005     int j = 0;
1006
1007     while (element_action_info[j].suffix)
1008     {
1009       printf("element %d, sound action '%s'  == %d\n",
1010              element, element_action_info[j].suffix,
1011              element_info[element].sound[j]);
1012       j++;
1013     }
1014   }
1015
1016   PlaySoundLevelElementAction(0,0, EL_CUSTOM_11, ACTION_PUSHING);
1017 #endif
1018
1019 #if 0
1020   /* TEST ONLY */
1021   {
1022     int element = EL_SAND;
1023     int sound_action = ACTION_DIGGING;
1024     int j = 0;
1025
1026     while (element_action_info[j].suffix)
1027     {
1028       if (element_action_info[j].value == sound_action)
1029         printf("element %d, sound action '%s'  == %d\n",
1030                element, element_action_info[j].suffix,
1031                element_info[element].sound[sound_action]);
1032       j++;
1033     }
1034   }
1035 #endif
1036 }
1037
1038 static void ReinitializeGraphics()
1039 {
1040   InitGraphicInfo();                    /* graphic properties mapping */
1041   InitElementGraphicInfo();             /* element game graphic mapping */
1042   InitElementSpecialGraphicInfo();      /* element special graphic mapping */
1043
1044   InitElementSmallImages();             /* create editor and preview images */
1045   InitFontGraphicInfo();                /* initialize text drawing functions */
1046
1047   SetMainBackgroundImage(IMG_BACKGROUND);
1048   SetDoorBackgroundImage(IMG_BACKGROUND_DOOR);
1049
1050   InitGadgets();
1051   InitToons();
1052 }
1053
1054 static void ReinitializeSounds()
1055 {
1056   InitSoundInfo();              /* sound properties mapping */
1057   InitElementSoundInfo();       /* element game sound mapping */
1058
1059 #if 1
1060   InitElementSoundInfo();       /* element game sound mapping */
1061 #endif
1062
1063   InitPlaySoundLevel();         /* internal game sound settings */
1064 }
1065
1066 static void ReinitializeMusic()
1067 {
1068   /* currently nothing to do */
1069 }
1070
1071 void InitElementPropertiesStatic()
1072 {
1073   static int ep_diggable[] =
1074   {
1075     EL_SAND,
1076     EL_SP_BASE,
1077     EL_SP_BUGGY_BASE,
1078     EL_SP_BUGGY_BASE_ACTIVATING,
1079     EL_TRAP,
1080     EL_INVISIBLE_SAND,
1081     EL_INVISIBLE_SAND_ACTIVE,
1082
1083     /* !!! currently not diggable, but handled by 'ep_dont_go_to' !!! */
1084 #if 0
1085     EL_LANDMINE,
1086     EL_TRAP_ACTIVE,
1087     EL_SP_BUGGY_BASE_ACTIVE,
1088 #endif
1089     -1
1090   };
1091
1092   static int ep_collectible[] =
1093   {
1094     EL_BD_DIAMOND,
1095     EL_EMERALD,
1096     EL_DIAMOND,
1097     EL_EMERALD_YELLOW,
1098     EL_EMERALD_RED,
1099     EL_EMERALD_PURPLE,
1100     EL_KEY_1,
1101     EL_KEY_2,
1102     EL_KEY_3,
1103     EL_KEY_4,
1104     EL_EM_KEY_1,
1105     EL_EM_KEY_2,
1106     EL_EM_KEY_3,
1107     EL_EM_KEY_4,
1108     EL_DYNAMITE,
1109     EL_DYNABOMB_INCREASE_NUMBER,
1110     EL_DYNABOMB_INCREASE_SIZE,
1111     EL_DYNABOMB_INCREASE_POWER,
1112     EL_SP_INFOTRON,
1113     EL_SP_DISK_RED,
1114     EL_PEARL,
1115     EL_CRYSTAL,
1116     EL_KEY_WHITE,
1117     EL_SHIELD_NORMAL,
1118     EL_SHIELD_DEADLY,
1119     EL_EXTRA_TIME,
1120     EL_ENVELOPE,
1121     EL_SPEED_PILL,
1122     -1
1123   };
1124
1125   static int ep_indestructible[] =
1126   {
1127     EL_STEELWALL,
1128     EL_ACID,
1129     EL_ACID_POOL_TOPLEFT,
1130     EL_ACID_POOL_TOPRIGHT,
1131     EL_ACID_POOL_BOTTOMLEFT,
1132     EL_ACID_POOL_BOTTOM,
1133     EL_ACID_POOL_BOTTOMRIGHT,
1134     EL_SP_HARDWARE_GRAY,
1135     EL_SP_HARDWARE_GREEN,
1136     EL_SP_HARDWARE_BLUE,
1137     EL_SP_HARDWARE_RED,
1138     EL_SP_HARDWARE_YELLOW,
1139     EL_SP_HARDWARE_BASE_1,
1140     EL_SP_HARDWARE_BASE_2,
1141     EL_SP_HARDWARE_BASE_3,
1142     EL_SP_HARDWARE_BASE_4,
1143     EL_SP_HARDWARE_BASE_5,
1144     EL_SP_HARDWARE_BASE_6,
1145     EL_INVISIBLE_STEELWALL,
1146     EL_INVISIBLE_STEELWALL_ACTIVE,
1147     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
1148     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
1149     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
1150     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
1151     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
1152     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
1153     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
1154     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
1155     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
1156     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
1157     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
1158     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
1159     EL_LIGHT_SWITCH,
1160     EL_LIGHT_SWITCH_ACTIVE,
1161     EL_SIGN_EXCLAMATION,
1162     EL_SIGN_RADIOACTIVITY,
1163     EL_SIGN_STOP,
1164     EL_SIGN_WHEELCHAIR,
1165     EL_SIGN_PARKING,
1166     EL_SIGN_ONEWAY,
1167     EL_SIGN_HEART,
1168     EL_SIGN_TRIANGLE,
1169     EL_SIGN_ROUND,
1170     EL_SIGN_EXIT,
1171     EL_SIGN_YINYANG,
1172     EL_SIGN_OTHER,
1173     EL_STEELWALL_SLANTED,
1174     EL_EMC_STEELWALL_1,
1175     EL_EMC_STEELWALL_2,
1176     EL_EMC_STEELWALL_3,
1177     EL_EMC_STEELWALL_4,
1178     EL_CRYSTAL,
1179     EL_GATE_1,
1180     EL_GATE_2,
1181     EL_GATE_3,
1182     EL_GATE_4,
1183     EL_GATE_1_GRAY,
1184     EL_GATE_2_GRAY,
1185     EL_GATE_3_GRAY,
1186     EL_GATE_4_GRAY,
1187     EL_EM_GATE_1,
1188     EL_EM_GATE_2,
1189     EL_EM_GATE_3,
1190     EL_EM_GATE_4,
1191     EL_EM_GATE_1_GRAY,
1192     EL_EM_GATE_2_GRAY,
1193     EL_EM_GATE_3_GRAY,
1194     EL_EM_GATE_4_GRAY,
1195     EL_SWITCHGATE_OPEN,
1196     EL_SWITCHGATE_OPENING,
1197     EL_SWITCHGATE_CLOSED,
1198     EL_SWITCHGATE_CLOSING,
1199     EL_TIMEGATE_OPEN,
1200     EL_TIMEGATE_OPENING,
1201     EL_TIMEGATE_CLOSED,
1202     EL_TIMEGATE_CLOSING,
1203     EL_TUBE_ANY,
1204     EL_TUBE_VERTICAL,
1205     EL_TUBE_HORIZONTAL,
1206     EL_TUBE_VERTICAL_LEFT,
1207     EL_TUBE_VERTICAL_RIGHT,
1208     EL_TUBE_HORIZONTAL_UP,
1209     EL_TUBE_HORIZONTAL_DOWN,
1210     EL_TUBE_LEFT_UP,
1211     EL_TUBE_LEFT_DOWN,
1212     EL_TUBE_RIGHT_UP,
1213     EL_TUBE_RIGHT_DOWN,
1214     -1
1215   };
1216
1217   static int ep_slippery[] =
1218   {
1219     EL_WALL_CRUMBLED,
1220     EL_BD_WALL,
1221     EL_ROCK,
1222     EL_BD_ROCK,
1223     EL_EMERALD,
1224     EL_BD_DIAMOND,
1225     EL_EMERALD_YELLOW,
1226     EL_EMERALD_RED,
1227     EL_EMERALD_PURPLE,
1228     EL_DIAMOND,
1229     EL_BOMB,
1230     EL_NUT,
1231     EL_ROBOT_WHEEL_ACTIVE,
1232     EL_ROBOT_WHEEL,
1233     EL_TIME_ORB_FULL,
1234     EL_TIME_ORB_EMPTY,
1235     EL_LAMP_ACTIVE,
1236     EL_LAMP,
1237     EL_ACID_POOL_TOPLEFT,
1238     EL_ACID_POOL_TOPRIGHT,
1239     EL_SATELLITE,
1240     EL_SP_ZONK,
1241     EL_SP_INFOTRON,
1242     EL_SP_CHIP_SINGLE,
1243     EL_SP_CHIP_LEFT,
1244     EL_SP_CHIP_RIGHT,
1245     EL_SP_CHIP_TOP,
1246     EL_SP_CHIP_BOTTOM,
1247     EL_SPEED_PILL,
1248     EL_STEELWALL_SLANTED,
1249     EL_PEARL,
1250     EL_CRYSTAL,
1251     -1
1252   };
1253
1254   static int ep_can_fall[] =
1255   {
1256     EL_ROCK,
1257     EL_BD_ROCK,
1258     EL_EMERALD,
1259     EL_BD_DIAMOND,
1260     EL_EMERALD_YELLOW,
1261     EL_EMERALD_RED,
1262     EL_EMERALD_PURPLE,
1263     EL_DIAMOND,
1264     EL_BOMB,
1265     EL_NUT,
1266     EL_AMOEBA_DROP,
1267     EL_QUICKSAND_FULL,
1268     EL_MAGIC_WALL_FULL,
1269     EL_BD_MAGIC_WALL_FULL,
1270     EL_TIME_ORB_FULL,
1271     EL_TIME_ORB_EMPTY,
1272     EL_SP_ZONK,
1273     EL_SP_INFOTRON,
1274     EL_SP_DISK_ORANGE,
1275     EL_PEARL,
1276     EL_CRYSTAL,
1277     EL_SPRING,
1278     EL_DX_SUPABOMB,
1279     -1
1280   };
1281
1282   static int ep_can_smash[] =
1283   {
1284     EL_ROCK,
1285     EL_BD_ROCK,
1286     EL_EMERALD,
1287     EL_BD_DIAMOND,
1288     EL_EMERALD_YELLOW,
1289     EL_EMERALD_RED,
1290     EL_EMERALD_PURPLE,
1291     EL_DIAMOND,
1292     EL_BOMB,
1293     EL_NUT,
1294     EL_AMOEBA_DROP,
1295     EL_TIME_ORB_FULL,
1296     EL_TIME_ORB_EMPTY,
1297     EL_SP_ZONK,
1298     EL_SP_INFOTRON,
1299     EL_SP_DISK_ORANGE,
1300     EL_PEARL,
1301     EL_CRYSTAL,
1302     EL_SPRING,
1303     EL_DX_SUPABOMB,
1304     -1
1305   };
1306
1307   static int ep_walkable_over[] =
1308   {
1309     EL_EMPTY_SPACE,
1310     EL_SP_EMPTY_SPACE,
1311     EL_SOKOBAN_FIELD_EMPTY,
1312     EL_EXIT_OPEN,
1313     EL_SP_EXIT_OPEN,
1314     EL_GATE_1,
1315     EL_GATE_2,
1316     EL_GATE_3,
1317     EL_GATE_4,
1318     EL_GATE_1_GRAY,
1319     EL_GATE_2_GRAY,
1320     EL_GATE_3_GRAY,
1321     EL_GATE_4_GRAY,
1322     -1
1323   };
1324
1325   static int ep_walkable_inside[] =
1326   {
1327     EL_TUBE_ANY,
1328     EL_TUBE_VERTICAL,
1329     EL_TUBE_HORIZONTAL,
1330     EL_TUBE_VERTICAL_LEFT,
1331     EL_TUBE_VERTICAL_RIGHT,
1332     EL_TUBE_HORIZONTAL_UP,
1333     EL_TUBE_HORIZONTAL_DOWN,
1334     EL_TUBE_LEFT_UP,
1335     EL_TUBE_LEFT_DOWN,
1336     EL_TUBE_RIGHT_UP,
1337     EL_TUBE_RIGHT_DOWN,
1338     -1
1339   };
1340
1341   static int ep_walkable_under[] =
1342   {
1343     -1
1344   };
1345
1346   static int ep_passable_over[] =
1347   {
1348     EL_EM_GATE_1,
1349     EL_EM_GATE_2,
1350     EL_EM_GATE_3,
1351     EL_EM_GATE_4,
1352     EL_EM_GATE_1_GRAY,
1353     EL_EM_GATE_2_GRAY,
1354     EL_EM_GATE_3_GRAY,
1355     EL_EM_GATE_4_GRAY,
1356     EL_SWITCHGATE_OPEN,
1357     EL_TIMEGATE_OPEN,
1358     -1
1359   };
1360
1361   static int ep_passable_inside[] =
1362   {
1363     EL_SP_PORT_LEFT,
1364     EL_SP_PORT_RIGHT,
1365     EL_SP_PORT_UP,
1366     EL_SP_PORT_DOWN,
1367     EL_SP_PORT_HORIZONTAL,
1368     EL_SP_PORT_VERTICAL,
1369     EL_SP_PORT_ANY,
1370     EL_SP_GRAVITY_PORT_LEFT,
1371     EL_SP_GRAVITY_PORT_RIGHT,
1372     EL_SP_GRAVITY_PORT_UP,
1373     EL_SP_GRAVITY_PORT_DOWN,
1374     -1
1375   };
1376
1377   static int ep_passable_under[] =
1378   {
1379     -1
1380   };
1381
1382   static int ep_pushable[] =
1383   {
1384     EL_ROCK,
1385     EL_BD_ROCK,
1386     EL_BOMB,
1387     EL_NUT,
1388     EL_TIME_ORB_EMPTY,
1389     EL_SOKOBAN_FIELD_FULL,
1390     EL_SOKOBAN_OBJECT,
1391     EL_SATELLITE,
1392     EL_SP_ZONK,
1393     EL_SP_DISK_ORANGE,
1394     EL_SP_DISK_YELLOW,
1395     EL_BALLOON,
1396     EL_SPRING,
1397     EL_DX_SUPABOMB,
1398     -1
1399   };
1400
1401   static int ep_player[] =
1402   {
1403     EL_PLAYER_1,
1404     EL_PLAYER_2,
1405     EL_PLAYER_3,
1406     EL_PLAYER_4,
1407     -1
1408   };
1409
1410   static int ep_can_be_crumbled[] =
1411   {
1412     EL_SAND,
1413     EL_LANDMINE,
1414     EL_TRAP,
1415     EL_TRAP_ACTIVE,
1416     -1
1417   };
1418
1419   static int ep_can_move[] =
1420   {
1421     /* only stored in level file */
1422     EL_BUG_RIGHT,
1423     EL_BUG_UP,
1424     EL_BUG_LEFT,
1425     EL_BUG_DOWN,
1426     EL_SPACESHIP_RIGHT,
1427     EL_SPACESHIP_UP,
1428     EL_SPACESHIP_LEFT,
1429     EL_SPACESHIP_DOWN,
1430     EL_BD_BUTTERFLY_RIGHT,
1431     EL_BD_BUTTERFLY_UP,
1432     EL_BD_BUTTERFLY_LEFT,
1433     EL_BD_BUTTERFLY_DOWN,
1434     EL_BD_FIREFLY_RIGHT,
1435     EL_BD_FIREFLY_UP,
1436     EL_BD_FIREFLY_LEFT,
1437     EL_BD_FIREFLY_DOWN,
1438     EL_PACMAN_RIGHT,
1439     EL_PACMAN_UP,
1440     EL_PACMAN_LEFT,
1441     EL_PACMAN_DOWN,
1442
1443     /* level file and runtime elements */
1444     EL_BUG,
1445     EL_SPACESHIP,
1446     EL_BD_BUTTERFLY,
1447     EL_BD_FIREFLY,
1448     EL_YAMYAM,
1449     EL_DARK_YAMYAM,
1450     EL_ROBOT,
1451     EL_PACMAN,
1452     EL_MOLE,
1453     EL_PENGUIN,
1454     EL_PIG,
1455     EL_DRAGON,
1456     EL_SATELLITE,
1457     EL_SP_SNIKSNAK,
1458     EL_SP_ELECTRON,
1459     EL_BALLOON,
1460     EL_SPRING,
1461     -1
1462   };
1463
1464   static int ep_can_pass_magic_wall[] =
1465   {
1466     EL_ROCK,
1467     EL_BD_ROCK,
1468     EL_EMERALD,
1469     EL_BD_DIAMOND,
1470     EL_EMERALD_YELLOW,
1471     EL_EMERALD_RED,
1472     EL_EMERALD_PURPLE,
1473     EL_DIAMOND,
1474     -1
1475   };
1476
1477   static int ep_dont_touch[] =
1478   {
1479     EL_BUG,
1480     EL_SPACESHIP,
1481     EL_BD_BUTTERFLY,
1482     EL_BD_FIREFLY,
1483     -1
1484   };
1485
1486   static int ep_enemy[] =
1487   {
1488     EL_BUG,
1489     EL_SPACESHIP,
1490     EL_BD_BUTTERFLY,
1491     EL_BD_FIREFLY,
1492     EL_YAMYAM,
1493     EL_DARK_YAMYAM,
1494     EL_ROBOT,
1495     EL_PACMAN,
1496     EL_SP_SNIKSNAK,
1497     EL_SP_ELECTRON,
1498     -1
1499   };
1500
1501   static int ep_dont_go_to[] =
1502   {
1503     EL_BUG,
1504     EL_SPACESHIP,
1505     EL_BD_BUTTERFLY,
1506     EL_BD_FIREFLY,
1507     EL_YAMYAM,
1508     EL_DARK_YAMYAM,
1509     EL_ROBOT,
1510     EL_PACMAN,
1511     EL_AMOEBA_DROP,
1512     EL_ACID,
1513     EL_SP_SNIKSNAK,
1514     EL_SP_ELECTRON,
1515
1516     /* !!! maybe this should better be handled by 'ep_diggable' !!! */
1517 #if 1
1518     EL_SP_BUGGY_BASE_ACTIVE,
1519     EL_TRAP_ACTIVE,
1520     EL_LANDMINE,
1521 #endif
1522     -1
1523   };
1524
1525   static int ep_can_explode[] =
1526   {
1527     EL_BOMB,
1528     EL_DYNAMITE_ACTIVE,
1529     EL_DYNAMITE,
1530     EL_DYNABOMB_PLAYER_1_ACTIVE,
1531     EL_DYNABOMB_PLAYER_2_ACTIVE,
1532     EL_DYNABOMB_PLAYER_3_ACTIVE,
1533     EL_DYNABOMB_PLAYER_4_ACTIVE,
1534     EL_DYNABOMB_INCREASE_NUMBER,
1535     EL_DYNABOMB_INCREASE_SIZE,
1536     EL_DYNABOMB_INCREASE_POWER,
1537     EL_SP_DISK_RED_ACTIVE,
1538     EL_BUG,
1539     EL_MOLE,
1540     EL_PENGUIN,
1541     EL_PIG,
1542     EL_DRAGON,
1543     EL_SATELLITE,
1544     EL_SP_DISK_RED,
1545     EL_SP_DISK_ORANGE,
1546     EL_SP_DISK_YELLOW,
1547     EL_SP_SNIKSNAK,
1548     EL_SP_ELECTRON,
1549     EL_DX_SUPABOMB,
1550     -1
1551   };
1552
1553   static int ep_bd_element[] =
1554   {
1555     EL_EMPTY,
1556     EL_SAND,
1557     EL_WALL_CRUMBLED,
1558     EL_BD_WALL,
1559     EL_ROCK,
1560     EL_BD_ROCK,
1561     EL_BD_DIAMOND,
1562     EL_BD_MAGIC_WALL,
1563     EL_EXIT_CLOSED,
1564     EL_EXIT_OPEN,
1565     EL_STEELWALL,
1566     EL_PLAYER_1,
1567     EL_BD_FIREFLY,
1568     EL_BD_FIREFLY_1,
1569     EL_BD_FIREFLY_2,
1570     EL_BD_FIREFLY_3,
1571     EL_BD_FIREFLY_4,
1572     EL_BD_BUTTERFLY,
1573     EL_BD_BUTTERFLY_1,
1574     EL_BD_BUTTERFLY_2,
1575     EL_BD_BUTTERFLY_3,
1576     EL_BD_BUTTERFLY_4,
1577     EL_BD_AMOEBA,
1578     EL_CHAR_QUESTION,
1579     -1
1580   };
1581
1582   static int ep_sp_element[] =
1583   {
1584     EL_SP_EMPTY,
1585     EL_SP_ZONK,
1586     EL_SP_BASE,
1587     EL_SP_MURPHY,
1588     EL_SP_INFOTRON,
1589     EL_SP_CHIP_SINGLE,
1590     EL_SP_HARDWARE_GRAY,
1591     EL_SP_EXIT_CLOSED,
1592     EL_SP_EXIT_OPEN,
1593     EL_SP_DISK_ORANGE,
1594     EL_SP_PORT_RIGHT,
1595     EL_SP_PORT_DOWN,
1596     EL_SP_PORT_LEFT,
1597     EL_SP_PORT_UP,
1598     EL_SP_GRAVITY_PORT_RIGHT,
1599     EL_SP_GRAVITY_PORT_DOWN,
1600     EL_SP_GRAVITY_PORT_LEFT,
1601     EL_SP_GRAVITY_PORT_UP,
1602     EL_SP_SNIKSNAK,
1603     EL_SP_DISK_YELLOW,
1604     EL_SP_TERMINAL,
1605     EL_SP_DISK_RED,
1606     EL_SP_PORT_VERTICAL,
1607     EL_SP_PORT_HORIZONTAL,
1608     EL_SP_PORT_ANY,
1609     EL_SP_ELECTRON,
1610     EL_SP_BUGGY_BASE,
1611     EL_SP_CHIP_LEFT,
1612     EL_SP_CHIP_RIGHT,
1613     EL_SP_HARDWARE_BASE_1,
1614     EL_SP_HARDWARE_GREEN,
1615     EL_SP_HARDWARE_BLUE,
1616     EL_SP_HARDWARE_RED,
1617     EL_SP_HARDWARE_YELLOW,
1618     EL_SP_HARDWARE_BASE_2,
1619     EL_SP_HARDWARE_BASE_3,
1620     EL_SP_HARDWARE_BASE_4,
1621     EL_SP_HARDWARE_BASE_5,
1622     EL_SP_HARDWARE_BASE_6,
1623     EL_SP_CHIP_TOP,
1624     EL_SP_CHIP_BOTTOM,
1625     /* additional elements that appeared in newer Supaplex levels */
1626     EL_INVISIBLE_WALL,
1627     /* more than one murphy in a level results in an inactive clone */
1628     EL_SP_MURPHY_CLONE,
1629     -1
1630   };
1631
1632   static int ep_sb_element[] =
1633   {
1634     EL_EMPTY,
1635     EL_STEELWALL,
1636     EL_SOKOBAN_OBJECT,
1637     EL_SOKOBAN_FIELD_EMPTY,
1638     EL_SOKOBAN_FIELD_FULL,
1639     EL_PLAYER_1,
1640     EL_INVISIBLE_STEELWALL,
1641     -1
1642   };
1643
1644   static int ep_gem[] =
1645   {
1646     EL_BD_DIAMOND,
1647     EL_EMERALD,
1648     EL_EMERALD_YELLOW,
1649     EL_EMERALD_RED,
1650     EL_EMERALD_PURPLE,
1651     EL_DIAMOND,
1652     -1
1653   };
1654
1655   static int ep_food_dark_yamyam[] =
1656   {
1657     EL_SAND,
1658     EL_BUG,
1659     EL_SPACESHIP,
1660     EL_BD_BUTTERFLY,
1661     EL_BD_FIREFLY,
1662     EL_YAMYAM,
1663     EL_ROBOT,
1664     EL_PACMAN,
1665     EL_AMOEBA_DROP,
1666     EL_AMOEBA_DEAD,
1667     EL_AMOEBA_WET,
1668     EL_AMOEBA_DRY,
1669     EL_AMOEBA_FULL,
1670     EL_BD_AMOEBA,
1671     EL_EMERALD,
1672     EL_BD_DIAMOND,
1673     EL_EMERALD_YELLOW,
1674     EL_EMERALD_RED,
1675     EL_EMERALD_PURPLE,
1676     EL_DIAMOND,
1677     EL_PEARL,
1678     EL_CRYSTAL,
1679     -1
1680   };
1681
1682   static int ep_food_penguin[] =
1683   {
1684     EL_EMERALD,
1685     EL_BD_DIAMOND,
1686     EL_EMERALD_YELLOW,
1687     EL_EMERALD_RED,
1688     EL_EMERALD_PURPLE,
1689     EL_DIAMOND,
1690     EL_PEARL,
1691     EL_CRYSTAL,
1692     -1
1693   };
1694
1695   static int ep_food_pig[] =
1696   {
1697     EL_EMERALD,
1698     EL_BD_DIAMOND,
1699     EL_EMERALD_YELLOW,
1700     EL_EMERALD_RED,
1701     EL_EMERALD_PURPLE,
1702     EL_DIAMOND,
1703     -1
1704   };
1705
1706   static int ep_historic_wall[] =
1707   {
1708     EL_STEELWALL,
1709     EL_GATE_1,
1710     EL_GATE_2,
1711     EL_GATE_3,
1712     EL_GATE_4,
1713     EL_GATE_1_GRAY,
1714     EL_GATE_2_GRAY,
1715     EL_GATE_3_GRAY,
1716     EL_GATE_4_GRAY,
1717     EL_EM_GATE_1,
1718     EL_EM_GATE_2,
1719     EL_EM_GATE_3,
1720     EL_EM_GATE_4,
1721     EL_EM_GATE_1_GRAY,
1722     EL_EM_GATE_2_GRAY,
1723     EL_EM_GATE_3_GRAY,
1724     EL_EM_GATE_4_GRAY,
1725     EL_EXIT_CLOSED,
1726     EL_EXIT_OPENING,
1727     EL_EXIT_OPEN,
1728     EL_WALL,
1729     EL_WALL_CRUMBLED,
1730     EL_EXPANDABLE_WALL,
1731     EL_EXPANDABLE_WALL_HORIZONTAL,
1732     EL_EXPANDABLE_WALL_VERTICAL,
1733     EL_EXPANDABLE_WALL_ANY,
1734     EL_EXPANDABLE_WALL_GROWING,
1735     EL_BD_WALL,
1736     EL_SP_CHIP_SINGLE,
1737     EL_SP_CHIP_LEFT,
1738     EL_SP_CHIP_RIGHT,
1739     EL_SP_CHIP_TOP,
1740     EL_SP_CHIP_BOTTOM,
1741     EL_SP_HARDWARE_GRAY,
1742     EL_SP_HARDWARE_GREEN,
1743     EL_SP_HARDWARE_BLUE,
1744     EL_SP_HARDWARE_RED,
1745     EL_SP_HARDWARE_YELLOW,
1746     EL_SP_HARDWARE_BASE_1,
1747     EL_SP_HARDWARE_BASE_2,
1748     EL_SP_HARDWARE_BASE_3,
1749     EL_SP_HARDWARE_BASE_4,
1750     EL_SP_HARDWARE_BASE_5,
1751     EL_SP_HARDWARE_BASE_6,
1752     EL_SP_TERMINAL,
1753     EL_SP_TERMINAL_ACTIVE,
1754     EL_SP_EXIT_CLOSED,
1755     EL_SP_EXIT_OPEN,
1756     EL_INVISIBLE_STEELWALL,
1757     EL_INVISIBLE_STEELWALL_ACTIVE,
1758     EL_INVISIBLE_WALL,
1759     EL_INVISIBLE_WALL_ACTIVE,
1760     EL_STEELWALL_SLANTED,
1761     EL_EMC_STEELWALL_1,
1762     EL_EMC_STEELWALL_2,
1763     EL_EMC_STEELWALL_3,
1764     EL_EMC_STEELWALL_4,
1765     EL_EMC_WALL_1,
1766     EL_EMC_WALL_2,
1767     EL_EMC_WALL_3,
1768     EL_EMC_WALL_4,
1769     EL_EMC_WALL_5,
1770     EL_EMC_WALL_6,
1771     EL_EMC_WALL_7,
1772     EL_EMC_WALL_8,
1773     -1
1774   };
1775
1776   static int ep_historic_solid[] =
1777   {
1778     EL_WALL,
1779     EL_EXPANDABLE_WALL,
1780     EL_EXPANDABLE_WALL_HORIZONTAL,
1781     EL_EXPANDABLE_WALL_VERTICAL,
1782     EL_EXPANDABLE_WALL_ANY,
1783     EL_BD_WALL,
1784     EL_WALL_CRUMBLED,
1785     EL_EXIT_CLOSED,
1786     EL_EXIT_OPENING,
1787     EL_EXIT_OPEN,
1788     EL_AMOEBA_DEAD,
1789     EL_AMOEBA_WET,
1790     EL_AMOEBA_DRY,
1791     EL_AMOEBA_FULL,
1792     EL_BD_AMOEBA,
1793     EL_QUICKSAND_EMPTY,
1794     EL_QUICKSAND_FULL,
1795     EL_QUICKSAND_FILLING,
1796     EL_QUICKSAND_EMPTYING,
1797     EL_MAGIC_WALL,
1798     EL_MAGIC_WALL_ACTIVE,
1799     EL_MAGIC_WALL_EMPTYING,
1800     EL_MAGIC_WALL_FILLING,
1801     EL_MAGIC_WALL_FULL,
1802     EL_MAGIC_WALL_DEAD,
1803     EL_BD_MAGIC_WALL,
1804     EL_BD_MAGIC_WALL_ACTIVE,
1805     EL_BD_MAGIC_WALL_EMPTYING,
1806     EL_BD_MAGIC_WALL_FULL,
1807     EL_BD_MAGIC_WALL_FILLING,
1808     EL_BD_MAGIC_WALL_DEAD,
1809     EL_GAME_OF_LIFE,
1810     EL_BIOMAZE,
1811     EL_SP_CHIP_SINGLE,
1812     EL_SP_CHIP_LEFT,
1813     EL_SP_CHIP_RIGHT,
1814     EL_SP_CHIP_TOP,
1815     EL_SP_CHIP_BOTTOM,
1816     EL_SP_TERMINAL,
1817     EL_SP_TERMINAL_ACTIVE,
1818     EL_SP_EXIT_CLOSED,
1819     EL_SP_EXIT_OPEN,
1820     EL_INVISIBLE_WALL,
1821     EL_INVISIBLE_WALL_ACTIVE,
1822     EL_SWITCHGATE_SWITCH_UP,
1823     EL_SWITCHGATE_SWITCH_DOWN,
1824     EL_TIMEGATE_SWITCH,
1825     EL_TIMEGATE_SWITCH_ACTIVE,
1826     EL_EMC_WALL_1,
1827     EL_EMC_WALL_2,
1828     EL_EMC_WALL_3,
1829     EL_EMC_WALL_4,
1830     EL_EMC_WALL_5,
1831     EL_EMC_WALL_6,
1832     EL_EMC_WALL_7,
1833     EL_EMC_WALL_8,
1834     EL_WALL_PEARL,
1835     EL_WALL_CRYSTAL,
1836
1837     /* the following elements are a direct copy of "indestructible" elements,
1838        except "EL_ACID", which is "indestructible", but not "solid"! */
1839 #if 0
1840     EL_ACID,
1841 #endif
1842     EL_STEELWALL,
1843     EL_ACID_POOL_TOPLEFT,
1844     EL_ACID_POOL_TOPRIGHT,
1845     EL_ACID_POOL_BOTTOMLEFT,
1846     EL_ACID_POOL_BOTTOM,
1847     EL_ACID_POOL_BOTTOMRIGHT,
1848     EL_SP_HARDWARE_GRAY,
1849     EL_SP_HARDWARE_GREEN,
1850     EL_SP_HARDWARE_BLUE,
1851     EL_SP_HARDWARE_RED,
1852     EL_SP_HARDWARE_YELLOW,
1853     EL_SP_HARDWARE_BASE_1,
1854     EL_SP_HARDWARE_BASE_2,
1855     EL_SP_HARDWARE_BASE_3,
1856     EL_SP_HARDWARE_BASE_4,
1857     EL_SP_HARDWARE_BASE_5,
1858     EL_SP_HARDWARE_BASE_6,
1859     EL_INVISIBLE_STEELWALL,
1860     EL_INVISIBLE_STEELWALL_ACTIVE,
1861     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
1862     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
1863     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
1864     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
1865     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
1866     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
1867     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
1868     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
1869     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
1870     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
1871     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
1872     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
1873     EL_LIGHT_SWITCH,
1874     EL_LIGHT_SWITCH_ACTIVE,
1875     EL_SIGN_EXCLAMATION,
1876     EL_SIGN_RADIOACTIVITY,
1877     EL_SIGN_STOP,
1878     EL_SIGN_WHEELCHAIR,
1879     EL_SIGN_PARKING,
1880     EL_SIGN_ONEWAY,
1881     EL_SIGN_HEART,
1882     EL_SIGN_TRIANGLE,
1883     EL_SIGN_ROUND,
1884     EL_SIGN_EXIT,
1885     EL_SIGN_YINYANG,
1886     EL_SIGN_OTHER,
1887     EL_STEELWALL_SLANTED,
1888     EL_EMC_STEELWALL_1,
1889     EL_EMC_STEELWALL_2,
1890     EL_EMC_STEELWALL_3,
1891     EL_EMC_STEELWALL_4,
1892     EL_CRYSTAL,
1893     EL_GATE_1,
1894     EL_GATE_2,
1895     EL_GATE_3,
1896     EL_GATE_4,
1897     EL_GATE_1_GRAY,
1898     EL_GATE_2_GRAY,
1899     EL_GATE_3_GRAY,
1900     EL_GATE_4_GRAY,
1901     EL_EM_GATE_1,
1902     EL_EM_GATE_2,
1903     EL_EM_GATE_3,
1904     EL_EM_GATE_4,
1905     EL_EM_GATE_1_GRAY,
1906     EL_EM_GATE_2_GRAY,
1907     EL_EM_GATE_3_GRAY,
1908     EL_EM_GATE_4_GRAY,
1909     EL_SWITCHGATE_OPEN,
1910     EL_SWITCHGATE_OPENING,
1911     EL_SWITCHGATE_CLOSED,
1912     EL_SWITCHGATE_CLOSING,
1913     EL_TIMEGATE_OPEN,
1914     EL_TIMEGATE_OPENING,
1915     EL_TIMEGATE_CLOSED,
1916     EL_TIMEGATE_CLOSING,
1917     EL_TUBE_ANY,
1918     EL_TUBE_VERTICAL,
1919     EL_TUBE_HORIZONTAL,
1920     EL_TUBE_VERTICAL_LEFT,
1921     EL_TUBE_VERTICAL_RIGHT,
1922     EL_TUBE_HORIZONTAL_UP,
1923     EL_TUBE_HORIZONTAL_DOWN,
1924     EL_TUBE_LEFT_UP,
1925     EL_TUBE_LEFT_DOWN,
1926     EL_TUBE_RIGHT_UP,
1927     EL_TUBE_RIGHT_DOWN,
1928     -1
1929   };
1930
1931   static int ep_belt[] =
1932   {
1933     EL_CONVEYOR_BELT_1_LEFT,
1934     EL_CONVEYOR_BELT_1_MIDDLE,
1935     EL_CONVEYOR_BELT_1_RIGHT,
1936     EL_CONVEYOR_BELT_2_LEFT,
1937     EL_CONVEYOR_BELT_2_MIDDLE,
1938     EL_CONVEYOR_BELT_2_RIGHT,
1939     EL_CONVEYOR_BELT_3_LEFT,
1940     EL_CONVEYOR_BELT_3_MIDDLE,
1941     EL_CONVEYOR_BELT_3_RIGHT,
1942     EL_CONVEYOR_BELT_4_LEFT,
1943     EL_CONVEYOR_BELT_4_MIDDLE,
1944     EL_CONVEYOR_BELT_4_RIGHT,
1945     -1
1946   };
1947
1948   static int ep_belt_active[] =
1949   {
1950     EL_CONVEYOR_BELT_1_LEFT_ACTIVE,
1951     EL_CONVEYOR_BELT_1_MIDDLE_ACTIVE,
1952     EL_CONVEYOR_BELT_1_RIGHT_ACTIVE,
1953     EL_CONVEYOR_BELT_2_LEFT_ACTIVE,
1954     EL_CONVEYOR_BELT_2_MIDDLE_ACTIVE,
1955     EL_CONVEYOR_BELT_2_RIGHT_ACTIVE,
1956     EL_CONVEYOR_BELT_3_LEFT_ACTIVE,
1957     EL_CONVEYOR_BELT_3_MIDDLE_ACTIVE,
1958     EL_CONVEYOR_BELT_3_RIGHT_ACTIVE,
1959     EL_CONVEYOR_BELT_4_LEFT_ACTIVE,
1960     EL_CONVEYOR_BELT_4_MIDDLE_ACTIVE,
1961     EL_CONVEYOR_BELT_4_RIGHT_ACTIVE,
1962     -1
1963   };
1964
1965   static int ep_belt_switch[] =
1966   {
1967     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
1968     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
1969     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
1970     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
1971     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
1972     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
1973     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
1974     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
1975     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
1976     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
1977     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
1978     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
1979     -1
1980   };
1981
1982   static int ep_tube[] =
1983   {
1984     EL_TUBE_LEFT_UP,
1985     EL_TUBE_LEFT_DOWN,
1986     EL_TUBE_RIGHT_UP,
1987     EL_TUBE_RIGHT_DOWN,
1988     EL_TUBE_HORIZONTAL,
1989     EL_TUBE_HORIZONTAL_UP,
1990     EL_TUBE_HORIZONTAL_DOWN,
1991     EL_TUBE_VERTICAL,
1992     EL_TUBE_VERTICAL_LEFT,
1993     EL_TUBE_VERTICAL_RIGHT,
1994     EL_TUBE_ANY,
1995     -1
1996   };
1997
1998   static int ep_keygate[] =
1999   {
2000     EL_GATE_1,
2001     EL_GATE_2,
2002     EL_GATE_3,
2003     EL_GATE_4,
2004     EL_GATE_1_GRAY,
2005     EL_GATE_2_GRAY,
2006     EL_GATE_3_GRAY,
2007     EL_GATE_4_GRAY,
2008     EL_EM_GATE_1,
2009     EL_EM_GATE_2,
2010     EL_EM_GATE_3,
2011     EL_EM_GATE_4,
2012     EL_EM_GATE_1_GRAY,
2013     EL_EM_GATE_2_GRAY,
2014     EL_EM_GATE_3_GRAY,
2015     EL_EM_GATE_4_GRAY,
2016     -1
2017   };
2018
2019   static int ep_amoeboid[] =
2020   {
2021     EL_AMOEBA_DEAD,
2022     EL_AMOEBA_WET,
2023     EL_AMOEBA_DRY,
2024     EL_AMOEBA_FULL,
2025     EL_BD_AMOEBA,
2026     -1
2027   };
2028
2029   static int ep_amoebalive[] =
2030   {
2031     EL_AMOEBA_WET,
2032     EL_AMOEBA_DRY,
2033     EL_AMOEBA_FULL,
2034     EL_BD_AMOEBA,
2035     -1
2036   };
2037
2038   static int ep_has_content[] =
2039   {
2040     EL_YAMYAM,
2041     EL_AMOEBA_WET,
2042     EL_AMOEBA_DRY,
2043     EL_AMOEBA_FULL,
2044     EL_BD_AMOEBA,
2045     -1
2046   };
2047
2048   static int ep_active_bomb[] =
2049   {
2050     EL_DYNAMITE_ACTIVE,
2051     EL_DYNABOMB_PLAYER_1_ACTIVE,
2052     EL_DYNABOMB_PLAYER_2_ACTIVE,
2053     EL_DYNABOMB_PLAYER_3_ACTIVE,
2054     EL_DYNABOMB_PLAYER_4_ACTIVE,
2055     EL_SP_DISK_RED_ACTIVE,
2056     -1
2057   };
2058
2059   static int ep_inactive[] =
2060   {
2061     EL_EMPTY,
2062     EL_SAND,
2063     EL_WALL,
2064     EL_BD_WALL,
2065     EL_WALL_CRUMBLED,
2066     EL_STEELWALL,
2067     EL_AMOEBA_DEAD,
2068     EL_QUICKSAND_EMPTY,
2069     EL_STONEBLOCK,
2070     EL_ROBOT_WHEEL,
2071     EL_KEY_1,
2072     EL_KEY_2,
2073     EL_KEY_3,
2074     EL_KEY_4,
2075     EL_EM_KEY_1,
2076     EL_EM_KEY_2,
2077     EL_EM_KEY_3,
2078     EL_EM_KEY_4,
2079     EL_GATE_1,
2080     EL_GATE_2,
2081     EL_GATE_3,
2082     EL_GATE_4,
2083     EL_GATE_1_GRAY,
2084     EL_GATE_2_GRAY,
2085     EL_GATE_3_GRAY,
2086     EL_GATE_4_GRAY,
2087     EL_EM_GATE_1,
2088     EL_EM_GATE_2,
2089     EL_EM_GATE_3,
2090     EL_EM_GATE_4,
2091     EL_EM_GATE_1_GRAY,
2092     EL_EM_GATE_2_GRAY,
2093     EL_EM_GATE_3_GRAY,
2094     EL_EM_GATE_4_GRAY,
2095     EL_DYNAMITE,
2096     EL_INVISIBLE_STEELWALL,
2097     EL_INVISIBLE_WALL,
2098     EL_INVISIBLE_SAND,
2099     EL_LAMP,
2100     EL_LAMP_ACTIVE,
2101     EL_WALL_EMERALD,
2102     EL_WALL_DIAMOND,
2103     EL_WALL_BD_DIAMOND,
2104     EL_WALL_EMERALD_YELLOW,
2105     EL_DYNABOMB_INCREASE_NUMBER,
2106     EL_DYNABOMB_INCREASE_SIZE,
2107     EL_DYNABOMB_INCREASE_POWER,
2108     EL_SOKOBAN_OBJECT,
2109     EL_SOKOBAN_FIELD_EMPTY,
2110     EL_SOKOBAN_FIELD_FULL,
2111     EL_WALL_EMERALD_RED,
2112     EL_WALL_EMERALD_PURPLE,
2113     EL_ACID_POOL_TOPLEFT,
2114     EL_ACID_POOL_TOPRIGHT,
2115     EL_ACID_POOL_BOTTOMLEFT,
2116     EL_ACID_POOL_BOTTOM,
2117     EL_ACID_POOL_BOTTOMRIGHT,
2118     EL_MAGIC_WALL,
2119     EL_MAGIC_WALL_DEAD,
2120     EL_BD_MAGIC_WALL,
2121     EL_BD_MAGIC_WALL_DEAD,
2122     EL_AMOEBA_TO_DIAMOND,
2123     EL_BLOCKED,
2124     EL_SP_EMPTY,
2125     EL_SP_BASE,
2126     EL_SP_PORT_RIGHT,
2127     EL_SP_PORT_DOWN,
2128     EL_SP_PORT_LEFT,
2129     EL_SP_PORT_UP,
2130     EL_SP_GRAVITY_PORT_RIGHT,
2131     EL_SP_GRAVITY_PORT_DOWN,
2132     EL_SP_GRAVITY_PORT_LEFT,
2133     EL_SP_GRAVITY_PORT_UP,
2134     EL_SP_PORT_HORIZONTAL,
2135     EL_SP_PORT_VERTICAL,
2136     EL_SP_PORT_ANY,
2137     EL_SP_DISK_RED,
2138     EL_SP_DISK_YELLOW,
2139     EL_SP_CHIP_SINGLE,
2140     EL_SP_CHIP_LEFT,
2141     EL_SP_CHIP_RIGHT,
2142     EL_SP_CHIP_TOP,
2143     EL_SP_CHIP_BOTTOM,
2144     EL_SP_HARDWARE_GRAY,
2145     EL_SP_HARDWARE_GREEN,
2146     EL_SP_HARDWARE_BLUE,
2147     EL_SP_HARDWARE_RED,
2148     EL_SP_HARDWARE_YELLOW,
2149     EL_SP_HARDWARE_BASE_1,
2150     EL_SP_HARDWARE_BASE_2,
2151     EL_SP_HARDWARE_BASE_3,
2152     EL_SP_HARDWARE_BASE_4,
2153     EL_SP_HARDWARE_BASE_5,
2154     EL_SP_HARDWARE_BASE_6,
2155     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2156     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2157     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2158     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2159     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2160     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2161     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2162     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2163     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2164     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2165     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2166     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2167     EL_SIGN_EXCLAMATION,
2168     EL_SIGN_RADIOACTIVITY,
2169     EL_SIGN_STOP,
2170     EL_SIGN_WHEELCHAIR,
2171     EL_SIGN_PARKING,
2172     EL_SIGN_ONEWAY,
2173     EL_SIGN_HEART,
2174     EL_SIGN_TRIANGLE,
2175     EL_SIGN_ROUND,
2176     EL_SIGN_EXIT,
2177     EL_SIGN_YINYANG,
2178     EL_SIGN_OTHER,
2179     EL_STEELWALL_SLANTED,
2180     EL_EMC_STEELWALL_1,
2181     EL_EMC_STEELWALL_2,
2182     EL_EMC_STEELWALL_3,
2183     EL_EMC_STEELWALL_4,
2184     EL_EMC_WALL_1,
2185     EL_EMC_WALL_2,
2186     EL_EMC_WALL_3,
2187     EL_EMC_WALL_4,
2188     EL_EMC_WALL_5,
2189     EL_EMC_WALL_6,
2190     EL_EMC_WALL_7,
2191     EL_EMC_WALL_8,
2192     -1
2193   };
2194
2195   static struct
2196   {
2197     int *elements;
2198     int property;
2199   } element_properties[] =
2200   {
2201     { ep_diggable,              EP_DIGGABLE             },
2202     { ep_collectible,           EP_COLLECTIBLE          },
2203     { ep_indestructible,        EP_INDESTRUCTIBLE       },
2204     { ep_slippery,              EP_SLIPPERY             },
2205     { ep_can_fall,              EP_CAN_FALL             },
2206     { ep_can_smash,             EP_CAN_SMASH            },
2207     { ep_walkable_over,         EP_WALKABLE_OVER        },
2208     { ep_walkable_inside,       EP_WALKABLE_INSIDE      },
2209     { ep_walkable_under,        EP_WALKABLE_UNDER       },
2210     { ep_passable_over,         EP_PASSABLE_OVER        },
2211     { ep_passable_inside,       EP_PASSABLE_INSIDE      },
2212     { ep_passable_under,        EP_PASSABLE_UNDER       },
2213     { ep_pushable,              EP_PUSHABLE             },
2214
2215     { ep_player,                EP_PLAYER               },
2216     { ep_can_be_crumbled,       EP_CAN_BE_CRUMBLED      },
2217     { ep_can_move,              EP_CAN_MOVE             },
2218     { ep_can_pass_magic_wall,   EP_CAN_PASS_MAGIC_WALL  },
2219     { ep_dont_touch,            EP_DONT_TOUCH           },
2220     { ep_enemy,                 EP_ENEMY                },
2221     { ep_dont_go_to,            EP_DONT_GO_TO           },
2222     { ep_can_explode,           EP_CAN_EXPLODE          },
2223     { ep_bd_element,            EP_BD_ELEMENT           },
2224     { ep_sp_element,            EP_SP_ELEMENT           },
2225     { ep_sb_element,            EP_SB_ELEMENT           },
2226     { ep_gem,                   EP_GEM                  },
2227     { ep_food_dark_yamyam,      EP_FOOD_DARK_YAMYAM     },
2228     { ep_food_penguin,          EP_FOOD_PENGUIN         },
2229     { ep_food_pig,              EP_FOOD_PIG             },
2230     { ep_historic_wall,         EP_HISTORIC_WALL        },
2231     { ep_historic_solid,        EP_HISTORIC_SOLID       },
2232     { ep_belt,                  EP_BELT                 },
2233     { ep_belt_active,           EP_BELT_ACTIVE          },
2234     { ep_belt_switch,           EP_BELT_SWITCH          },
2235     { ep_tube,                  EP_TUBE                 },
2236     { ep_keygate,               EP_KEYGATE              },
2237     { ep_amoeboid,              EP_AMOEBOID             },
2238     { ep_amoebalive,            EP_AMOEBALIVE           },
2239     { ep_has_content,           EP_HAS_CONTENT          },
2240     { ep_active_bomb,           EP_ACTIVE_BOMB          },
2241     { ep_inactive,              EP_INACTIVE             },
2242
2243     { NULL,                     -1                      }
2244   };
2245
2246   int i, j;
2247
2248   /* always start with reliable default values (element has no properties) */
2249   for (i=0; i < MAX_NUM_ELEMENTS; i++)
2250     for (j=0; j < NUM_ELEMENT_PROPERTIES; j++)
2251       SET_PROPERTY(i, j, FALSE);
2252
2253   /* set all base element properties from above array definitions */
2254   for (i=0; element_properties[i].elements != NULL; i++)
2255     for (j=0; (element_properties[i].elements)[j] != -1; j++)
2256       SET_PROPERTY((element_properties[i].elements)[j],
2257                    element_properties[i].property, TRUE);
2258 }
2259
2260 void InitElementPropertiesEngine(int engine_version)
2261 {
2262 #if 0
2263   static int active_properties[] =
2264   {
2265     EP_AMOEBALIVE,
2266     EP_AMOEBOID,
2267     EP_PFORTE,
2268     EP_ENEMY,
2269     EP_MAUER,
2270     EP_CAN_FALL,
2271     EP_CAN_SMASH,
2272     EP_CAN_PASS_MAGIC_WALL,
2273     EP_CAN_MOVE,
2274     EP_DONT_TOUCH,
2275     EP_DONT_GO_TO,
2276     EP_GEM,
2277     EP_CAN_EXPLODE,
2278     EP_PUSHABLE,
2279     EP_PLAYER,
2280     EP_HAS_CONTENT,
2281     EP_DIGGABLE,
2282     EP_PASSABLE_INSIDE,
2283     EP_OVER_PLAYER,
2284     EP_ACTIVE_BOMB,
2285
2286     EP_BELT,
2287     EP_BELT_ACTIVE,
2288     EP_BELT_SWITCH,
2289     EP_WALKABLE_UNDER,
2290     EP_EM_SLIPPERY_WALL,
2291     EP_CAN_BE_CRUMBLED,
2292   };
2293 #endif
2294
2295   static int no_wall_properties[] =
2296   {
2297     EP_AMOEBALIVE,
2298     EP_AMOEBOID,
2299     EP_CAN_BE_CRUMBLED,
2300     EP_ENEMY,
2301     EP_CAN_FALL,
2302     EP_CAN_SMASH,
2303     EP_CAN_MOVE,
2304     EP_DONT_GO_TO,
2305     EP_FOOD_DARK_YAMYAM,
2306     EP_GEM,
2307     EP_FOOD_PENGUIN,
2308     EP_PUSHABLE,
2309     EP_PLAYER,
2310     EP_ACCESSIBLE,
2311     EP_DIGGABLE,
2312     EP_COLLECTIBLE,
2313     EP_ACTIVE_BOMB,
2314     EP_BELT,
2315     EP_BELT_ACTIVE,
2316     EP_TUBE,
2317     -1
2318   };
2319
2320   int i, j;
2321
2322 #if 0
2323   InitElementPropertiesStatic();
2324 #endif
2325
2326   /* set all special, combined or engine dependant element properties */
2327   for (i=0; i < MAX_NUM_ELEMENTS; i++)
2328   {
2329 #if 0
2330     for (j=EP_ACCESSIBLE_OVER; j < NUM_ELEMENT_PROPERTIES; j++)
2331       SET_PROPERTY(i, j, FALSE);
2332 #endif
2333
2334     /* ---------- INACTIVE ------------------------------------------------- */
2335     if (i >= EL_CHAR_START && i <= EL_CHAR_END)
2336       SET_PROPERTY(i, EP_INACTIVE, TRUE);
2337
2338     /* ---------- WALKABLE, PASSABLE, ACCESSIBLE --------------------------- */
2339     SET_PROPERTY(i, EP_WALKABLE, (IS_WALKABLE_OVER(i) ||
2340                                   IS_WALKABLE_INSIDE(i) ||
2341                                   IS_WALKABLE_UNDER(i)));
2342
2343     SET_PROPERTY(i, EP_PASSABLE, (IS_PASSABLE_OVER(i) ||
2344                                   IS_PASSABLE_INSIDE(i) ||
2345                                   IS_PASSABLE_UNDER(i)));
2346
2347     SET_PROPERTY(i, EP_ACCESSIBLE_OVER, (IS_WALKABLE_OVER(i) ||
2348                                          IS_PASSABLE_OVER(i)));
2349
2350     SET_PROPERTY(i, EP_ACCESSIBLE_INSIDE, (IS_WALKABLE_INSIDE(i) ||
2351                                            IS_PASSABLE_INSIDE(i)));
2352
2353     SET_PROPERTY(i, EP_ACCESSIBLE_UNDER, (IS_WALKABLE_UNDER(i) ||
2354                                           IS_PASSABLE_UNDER(i)));
2355
2356     SET_PROPERTY(i, EP_ACCESSIBLE, (IS_WALKABLE(i) ||
2357                                     IS_PASSABLE(i)));
2358
2359     /* ---------- WALL ----------------------------------------------------- */
2360     SET_PROPERTY(i, EP_WALL, TRUE);     /* default: element is wall */
2361
2362     for (j=0; no_wall_properties[j] != -1; j++)
2363       if (HAS_PROPERTY(i, no_wall_properties[j]) ||
2364           i >= EL_FIRST_RUNTIME_UNREAL)
2365         SET_PROPERTY(i, EP_WALL, FALSE);
2366
2367     if (IS_HISTORIC_WALL(i))
2368       SET_PROPERTY(i, EP_WALL, TRUE);
2369
2370     /* ---------- SOLID_FOR_PUSHING ---------------------------------------- */
2371     if (engine_version < VERSION_IDENT(2,2,0))
2372       SET_PROPERTY(i, EP_SOLID_FOR_PUSHING, IS_HISTORIC_SOLID(i));
2373     else
2374       SET_PROPERTY(i, EP_SOLID_FOR_PUSHING, (!IS_WALKABLE(i) &&
2375                                              !IS_DIGGABLE(i) &&
2376                                              !IS_COLLECTIBLE(i)));
2377
2378     /* ---------- DRAGONFIRE_PROOF ----------------------------------------- */
2379
2380     if (IS_HISTORIC_SOLID(i) || i == EL_EXPLOSION)
2381       SET_PROPERTY(i, EP_DRAGONFIRE_PROOF, TRUE);
2382     else
2383       SET_PROPERTY(i, EP_DRAGONFIRE_PROOF, (IS_CUSTOM_ELEMENT(i) &&
2384                                             IS_INDESTRUCTIBLE(i)));
2385
2386     /* ---------- EXPLOSION_PROOF ------------------------------------------ */
2387     if (i == EL_FLAMES)
2388       SET_PROPERTY(i, EP_EXPLOSION_PROOF, TRUE);
2389     else if (engine_version < VERSION_IDENT(2,2,0))
2390       SET_PROPERTY(i, EP_EXPLOSION_PROOF, IS_INDESTRUCTIBLE(i));
2391     else
2392       SET_PROPERTY(i, EP_EXPLOSION_PROOF, (IS_INDESTRUCTIBLE(i) &&
2393                                            !IS_WALKABLE_OVER(i) &&
2394                                            !IS_WALKABLE_UNDER(i)));
2395   }
2396
2397 #if 0
2398   /* determine inactive elements (used for engine main loop optimization) */
2399   for (i=0; i < MAX_NUM_ELEMENTS; i++)
2400   {
2401     boolean active = FALSE;
2402
2403     for (j=0; i < NUM_ELEMENT_PROPERTIES; j++)
2404     {
2405       if (HAS_PROPERTY(i, j))
2406         active = TRUE;
2407     }
2408
2409 #if 0
2410     if (!active)
2411       SET_PROPERTY(i, EP_INACTIVE, TRUE);
2412 #endif
2413   }
2414 #endif
2415
2416   /* dynamically adjust element properties according to game engine version */
2417   {
2418     static int ep_em_slippery_wall[] =
2419     {
2420       EL_STEELWALL,
2421       EL_WALL,
2422       EL_EXPANDABLE_WALL,
2423       EL_EXPANDABLE_WALL_HORIZONTAL,
2424       EL_EXPANDABLE_WALL_VERTICAL,
2425       EL_EXPANDABLE_WALL_ANY,
2426       -1
2427     };
2428
2429     /* special EM style gems behaviour */
2430     for (i=0; ep_em_slippery_wall[i] != -1; i++)
2431       SET_PROPERTY(ep_em_slippery_wall[i], EP_EM_SLIPPERY_WALL,
2432                    level.em_slippery_gems);
2433
2434     /* "EL_EXPANDABLE_WALL_GROWING" wasn't slippery for EM gems in 2.0.1 */
2435     SET_PROPERTY(EL_EXPANDABLE_WALL_GROWING, EP_EM_SLIPPERY_WALL,
2436                  (level.em_slippery_gems &&
2437                   engine_version > VERSION_IDENT(2,0,1)));
2438   }
2439 }
2440
2441 static void InitGlobal()
2442 {
2443   global.autoplay_leveldir = NULL;
2444
2445   global.frames_per_second = 0;
2446   global.fps_slowdown = FALSE;
2447   global.fps_slowdown_factor = 1;
2448 }
2449
2450 void Execute_Command(char *command)
2451 {
2452   if (strcmp(command, "print graphicsinfo.conf") == 0)
2453   {
2454     int i;
2455
2456     printf("# You can configure additional/alternative image files here.\n");
2457     printf("# (The images below are default and therefore commented out.)\n");
2458     printf("\n");
2459     printf("%s\n", getFormattedSetupEntry("name", "Classic Graphics"));
2460     printf("\n");
2461     printf("%s\n", getFormattedSetupEntry("sort_priority", "100"));
2462     printf("\n");
2463
2464     for (i=0; image_config[i].token != NULL; i++)
2465       printf("# %s\n",
2466              getFormattedSetupEntry(image_config[i].token,
2467                                     image_config[i].value));
2468
2469     exit(0);
2470   }
2471   else if (strcmp(command, "print soundsinfo.conf") == 0)
2472   {
2473     int i;
2474
2475     printf("# You can configure additional/alternative sound files here.\n");
2476     printf("# (The sounds below are default and therefore commented out.)\n");
2477     printf("\n");
2478     printf("%s\n", getFormattedSetupEntry("name", "Classic Sounds"));
2479     printf("\n");
2480     printf("%s\n", getFormattedSetupEntry("sort_priority", "100"));
2481     printf("\n");
2482
2483     for (i=0; sound_config[i].token != NULL; i++)
2484       printf("# %s\n",
2485              getFormattedSetupEntry(sound_config[i].token,
2486                                     sound_config[i].value));
2487
2488     exit(0);
2489   }
2490   else if (strcmp(command, "print musicinfo.conf") == 0)
2491   {
2492     printf("# (Currently only \"name\" and \"sort_priority\" recognized.)\n");
2493     printf("\n");
2494     printf("%s\n", getFormattedSetupEntry("name", "Classic Music"));
2495     printf("\n");
2496     printf("%s\n", getFormattedSetupEntry("sort_priority", "100"));
2497
2498     exit(0);
2499   }
2500   else if (strncmp(command, "dump level ", 11) == 0)
2501   {
2502     char *filename = &command[11];
2503
2504     if (access(filename, F_OK) != 0)
2505       Error(ERR_EXIT, "cannot open file '%s'", filename);
2506
2507     LoadLevelFromFilename(filename);
2508     DumpLevel(&level);
2509
2510     exit(0);
2511   }
2512   else if (strncmp(command, "dump tape ", 10) == 0)
2513   {
2514     char *filename = &command[10];
2515
2516     if (access(filename, F_OK) != 0)
2517       Error(ERR_EXIT, "cannot open file '%s'", filename);
2518
2519     LoadTapeFromFilename(filename);
2520     DumpTape(&tape);
2521
2522     exit(0);
2523   }
2524   else if (strncmp(command, "autoplay ", 9) == 0)
2525   {
2526     char *str_copy = getStringCopy(&command[9]);
2527     char *str_ptr = strchr(str_copy, ' ');
2528
2529     global.autoplay_leveldir = str_copy;
2530     global.autoplay_level_nr = -1;
2531
2532     if (str_ptr != NULL)
2533     {
2534       *str_ptr++ = '\0';                        /* terminate leveldir string */
2535       global.autoplay_level_nr = atoi(str_ptr); /* get level_nr value */
2536     }
2537   }
2538   else
2539   {
2540     Error(ERR_EXIT_HELP, "unrecognized command '%s'", command);
2541   }
2542 }
2543
2544 static void InitSetup()
2545 {
2546   LoadSetup();                                  /* global setup info */
2547
2548   /* set some options from setup file */
2549
2550   if (setup.options.verbose)
2551     options.verbose = TRUE;
2552 }
2553
2554 static void InitPlayerInfo()
2555 {
2556   int i;
2557
2558   /* choose default local player */
2559   local_player = &stored_player[0];
2560
2561   for (i=0; i<MAX_PLAYERS; i++)
2562     stored_player[i].connected = FALSE;
2563
2564   local_player->connected = TRUE;
2565 }
2566
2567 static void InitArtworkInfo()
2568 {
2569   LoadArtworkInfo();
2570 }
2571
2572 static char *get_element_class_token(int element)
2573 {
2574   char *element_class_name = element_info[element].class_name;
2575   char *element_class_token = checked_malloc(strlen(element_class_name) + 3);
2576
2577   sprintf(element_class_token, "[%s]", element_class_name);
2578
2579   return element_class_token;
2580 }
2581
2582 static void InitArtworkConfig()
2583 {
2584   static char *image_id_prefix[MAX_NUM_ELEMENTS + NUM_FONTS + 1];
2585   static char *sound_id_prefix[MAX_NUM_ELEMENTS + MAX_NUM_ELEMENTS + 1];
2586   static char *action_id_suffix[NUM_ACTIONS + 1];
2587   static char *direction_id_suffix[NUM_DIRECTIONS + 1];
2588   static char *special_id_suffix[NUM_SPECIAL_GFX_ARGS + 1];
2589   static char *dummy[1] = { NULL };
2590   static char *ignore_generic_tokens[] =
2591   {
2592     "name",
2593     "sort_priority",
2594     NULL
2595   };
2596   static char **ignore_image_tokens, **ignore_sound_tokens;
2597   int num_ignore_generic_tokens;
2598   int num_ignore_image_tokens, num_ignore_sound_tokens;
2599   int i;
2600
2601   /* dynamically determine list of generic tokens to be ignored */
2602   num_ignore_generic_tokens = 0;
2603   for (i=0; ignore_generic_tokens[i] != NULL; i++)
2604     num_ignore_generic_tokens++;
2605
2606   /* dynamically determine list of image tokens to be ignored */
2607   num_ignore_image_tokens = num_ignore_generic_tokens;
2608   for (i=0; image_config_vars[i].token != NULL; i++)
2609     num_ignore_image_tokens++;
2610   ignore_image_tokens =
2611     checked_malloc((num_ignore_image_tokens + 1) * sizeof(char *));
2612   for (i=0; i < num_ignore_generic_tokens; i++)
2613     ignore_image_tokens[i] = ignore_generic_tokens[i];
2614   for (i=0; i < num_ignore_image_tokens - num_ignore_generic_tokens; i++)
2615     ignore_image_tokens[num_ignore_generic_tokens + i] =
2616       image_config_vars[i].token;
2617   ignore_image_tokens[num_ignore_image_tokens] = NULL;
2618
2619   /* dynamically determine list of sound tokens to be ignored */
2620   num_ignore_sound_tokens = num_ignore_generic_tokens;
2621   ignore_sound_tokens =
2622     checked_malloc((num_ignore_sound_tokens + 1) * sizeof(char *));
2623   for (i=0; i < num_ignore_generic_tokens; i++)
2624     ignore_sound_tokens[i] = ignore_generic_tokens[i];
2625   ignore_sound_tokens[num_ignore_sound_tokens] = NULL;
2626
2627   for (i=0; i<MAX_NUM_ELEMENTS; i++)
2628     image_id_prefix[i] = element_info[i].token_name;
2629   for (i=0; i<NUM_FONTS; i++)
2630     image_id_prefix[MAX_NUM_ELEMENTS + i] = font_info[i].token_name;
2631   image_id_prefix[MAX_NUM_ELEMENTS + NUM_FONTS] = NULL;
2632
2633   for (i=0; i<MAX_NUM_ELEMENTS; i++)
2634     sound_id_prefix[i] = element_info[i].token_name;
2635   for (i=0; i<MAX_NUM_ELEMENTS; i++)
2636     sound_id_prefix[MAX_NUM_ELEMENTS + i] = get_element_class_token(i);
2637   sound_id_prefix[MAX_NUM_ELEMENTS + MAX_NUM_ELEMENTS] = NULL;
2638
2639   for (i=0; i<NUM_ACTIONS; i++)
2640     action_id_suffix[i] = element_action_info[i].suffix;
2641   action_id_suffix[NUM_ACTIONS] = NULL;
2642
2643   for (i=0; i<NUM_DIRECTIONS; i++)
2644     direction_id_suffix[i] = element_direction_info[i].suffix;
2645   direction_id_suffix[NUM_DIRECTIONS] = NULL;
2646
2647   for (i=0; i<NUM_SPECIAL_GFX_ARGS; i++)
2648     special_id_suffix[i] = special_suffix_info[i].suffix;
2649   special_id_suffix[NUM_SPECIAL_GFX_ARGS] = NULL;
2650
2651   InitImageList(image_config, NUM_IMAGE_FILES, image_config_suffix,
2652                 image_id_prefix, action_id_suffix, direction_id_suffix,
2653                 special_id_suffix, ignore_image_tokens);
2654   InitSoundList(sound_config, NUM_SOUND_FILES, sound_config_suffix,
2655                 sound_id_prefix, action_id_suffix, dummy,
2656                 special_id_suffix, ignore_sound_tokens);
2657 }
2658
2659 static void InitMixer()
2660 {
2661   OpenAudio();
2662   StartMixer();
2663 }
2664
2665 void InitGfx()
2666 {
2667   char *filename_font_initial = NULL;
2668   Bitmap *bitmap_font_initial = NULL;
2669   int i, j;
2670
2671   /* determine settings for initial font (for displaying startup messages) */
2672   for (i=0; image_config[i].token != NULL; i++)
2673   {
2674     for (j=0; j < NUM_INITIAL_FONTS; j++)
2675     {
2676       char font_token[128];
2677       int len_font_token;
2678
2679       sprintf(font_token, "%s_%d", CONFIG_TOKEN_FONT_INITIAL, j + 1);
2680       len_font_token = strlen(font_token);
2681
2682       if (strcmp(image_config[i].token, font_token) == 0)
2683         filename_font_initial = image_config[i].value;
2684       else if (strlen(image_config[i].token) > len_font_token &&
2685                strncmp(image_config[i].token, font_token, len_font_token) == 0)
2686       {
2687         if (strcmp(&image_config[i].token[len_font_token], ".x") == 0)
2688           font_initial[j].src_x = atoi(image_config[i].value);
2689         else if (strcmp(&image_config[i].token[len_font_token], ".y") == 0)
2690           font_initial[j].src_y = atoi(image_config[i].value);
2691         else if (strcmp(&image_config[i].token[len_font_token], ".width") == 0)
2692           font_initial[j].width = atoi(image_config[i].value);
2693         else if (strcmp(&image_config[i].token[len_font_token],".height") == 0)
2694           font_initial[j].height = atoi(image_config[i].value);
2695       }
2696     }
2697   }
2698
2699   for (j=0; j < NUM_INITIAL_FONTS; j++)
2700   {
2701     font_initial[j].num_chars = DEFAULT_NUM_CHARS_PER_FONT;
2702     font_initial[j].num_chars_per_line = DEFAULT_NUM_CHARS_PER_LINE;
2703   }
2704
2705   if (filename_font_initial == NULL)    /* should not happen */
2706     Error(ERR_EXIT, "cannot get filename for '%s'", CONFIG_TOKEN_FONT_INITIAL);
2707
2708   /* create additional image buffers for double-buffering */
2709   bitmap_db_field = CreateBitmap(FXSIZE, FYSIZE, DEFAULT_DEPTH);
2710   bitmap_db_door  = CreateBitmap(3 * DXSIZE, DYSIZE + VYSIZE, DEFAULT_DEPTH);
2711
2712   /* initialize screen properties */
2713   InitGfxFieldInfo(SX, SY, SXSIZE, SYSIZE,
2714                    REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE,
2715                    bitmap_db_field);
2716   InitGfxDoor1Info(DX, DY, DXSIZE, DYSIZE);
2717   InitGfxDoor2Info(VX, VY, VXSIZE, VYSIZE);
2718   InitGfxScrollbufferInfo(FXSIZE, FYSIZE);
2719
2720   bitmap_font_initial = LoadCustomImage(filename_font_initial);
2721
2722   for (j=0; j < NUM_INITIAL_FONTS; j++)
2723     font_initial[j].bitmap = bitmap_font_initial;
2724
2725   InitFontGraphicInfo();
2726
2727   DrawInitText(WINDOW_TITLE_STRING, 20, FC_YELLOW);
2728   DrawInitText(WINDOW_SUBTITLE_STRING, 50, FC_RED);
2729
2730   DrawInitText("Loading graphics:", 120, FC_GREEN);
2731
2732   InitTileClipmasks();
2733 }
2734
2735 void InitGfxBackground()
2736 {
2737   int x, y;
2738
2739   drawto = backbuffer;
2740   fieldbuffer = bitmap_db_field;
2741   SetDrawtoField(DRAW_BACKBUFFER);
2742
2743   BlitBitmap(graphic_info[IMG_GLOBAL_BORDER].bitmap, backbuffer,
2744              0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
2745   ClearRectangle(backbuffer, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
2746   ClearRectangle(bitmap_db_door, 0, 0, 3 * DXSIZE, DYSIZE + VYSIZE);
2747
2748   for (x=0; x<MAX_BUF_XSIZE; x++)
2749     for (y=0; y<MAX_BUF_YSIZE; y++)
2750       redraw[x][y] = 0;
2751   redraw_tiles = 0;
2752   redraw_mask = REDRAW_ALL;
2753 }
2754
2755 static void InitLevelInfo()
2756 {
2757   LoadLevelInfo();                              /* global level info */
2758   LoadLevelSetup_LastSeries();                  /* last played series info */
2759   LoadLevelSetup_SeriesInfo();                  /* last played level info */
2760 }
2761
2762 void InitLevelArtworkInfo()
2763 {
2764   LoadLevelArtworkInfo();
2765 }
2766
2767 static void InitImages()
2768 {
2769   ReloadCustomImages();
2770
2771   LoadCustomElementDescriptions();
2772   LoadSpecialMenuDesignSettings();
2773
2774   ReinitializeGraphics();
2775 }
2776
2777 static void InitSound()
2778 {
2779   InitReloadCustomSounds(artwork.snd_current->identifier);
2780   ReinitializeSounds();
2781 }
2782
2783 static void InitMusic()
2784 {
2785   InitReloadCustomMusic(artwork.mus_current->identifier);
2786   ReinitializeMusic();
2787 }
2788
2789 void InitNetworkServer()
2790 {
2791 #if defined(PLATFORM_UNIX)
2792   int nr_wanted;
2793 #endif
2794
2795   if (!options.network)
2796     return;
2797
2798 #if defined(PLATFORM_UNIX)
2799   nr_wanted = Request("Choose player", REQ_PLAYER | REQ_STAY_CLOSED);
2800
2801   if (!ConnectToServer(options.server_host, options.server_port))
2802     Error(ERR_EXIT, "cannot connect to network game server");
2803
2804   SendToServer_PlayerName(setup.player_name);
2805   SendToServer_ProtocolVersion();
2806
2807   if (nr_wanted)
2808     SendToServer_NrWanted(nr_wanted);
2809 #endif
2810 }
2811
2812 void ReloadCustomArtwork()
2813 {
2814   static char *leveldir_current_identifier = NULL;
2815   static boolean last_override_level_graphics = FALSE;
2816   static boolean last_override_level_sounds = FALSE;
2817   static boolean last_override_level_music = FALSE;
2818   /* identifier for new artwork; default: artwork configured in setup */
2819   char *gfx_new_identifier = artwork.gfx_current->identifier;
2820   char *snd_new_identifier = artwork.snd_current->identifier;
2821   char *mus_new_identifier = artwork.mus_current->identifier;
2822   boolean redraw_screen = FALSE;
2823
2824   if (leveldir_current_identifier == NULL)
2825     leveldir_current_identifier = leveldir_current->identifier;
2826
2827 #if 0
2828   printf("CURRENT GFX: '%s' ['%s']\n", artwork.gfx_current->identifier,
2829          leveldir_current->graphics_set);
2830   printf("CURRENT LEV: '%s' / '%s'\n", leveldir_current_identifier,
2831          leveldir_current->identifier);
2832 #endif
2833
2834 #if 0
2835   printf("graphics --> '%s' ('%s')\n",
2836          artwork.gfx_current_identifier, artwork.gfx_current->filename);
2837   printf("sounds   --> '%s' ('%s')\n",
2838          artwork.snd_current_identifier, artwork.snd_current->filename);
2839   printf("music    --> '%s' ('%s')\n",
2840          artwork.mus_current_identifier, artwork.mus_current->filename);
2841 #endif
2842
2843   /* leveldir_current may be invalid (level group, parent link) */
2844   if (!validLevelSeries(leveldir_current))
2845     return;
2846
2847   /* when a new level series was selected, check if there was a change
2848      in custom artwork stored in level series directory */
2849   if (leveldir_current_identifier != leveldir_current->identifier)
2850   {
2851     char *identifier_old = leveldir_current_identifier;
2852     char *identifier_new = leveldir_current->identifier;
2853
2854     if (getTreeInfoFromIdentifier(artwork.gfx_first, identifier_old) !=
2855         getTreeInfoFromIdentifier(artwork.gfx_first, identifier_new))
2856       gfx_new_identifier = identifier_new;
2857     if (getTreeInfoFromIdentifier(artwork.snd_first, identifier_old) !=
2858         getTreeInfoFromIdentifier(artwork.snd_first, identifier_new))
2859       snd_new_identifier = identifier_new;
2860     if (getTreeInfoFromIdentifier(artwork.mus_first, identifier_new) !=
2861         getTreeInfoFromIdentifier(artwork.mus_first, identifier_new))
2862       mus_new_identifier = identifier_new;
2863
2864     leveldir_current_identifier = leveldir_current->identifier;
2865   }
2866
2867   /* custom level artwork configured in level series configuration file
2868      always overrides custom level artwork stored in level series directory
2869      and (level independant) custom artwork configured in setup menue */
2870   if (leveldir_current->graphics_set != NULL)
2871     gfx_new_identifier = leveldir_current->graphics_set;
2872   if (leveldir_current->sounds_set != NULL)
2873     snd_new_identifier = leveldir_current->sounds_set;
2874   if (leveldir_current->music_set != NULL)
2875     mus_new_identifier = leveldir_current->music_set;
2876
2877   if (strcmp(artwork.gfx_current_identifier, gfx_new_identifier) != 0 ||
2878       last_override_level_graphics != setup.override_level_graphics)
2879   {
2880 #if 0
2881     printf("RELOADING GRAPHICS '%s' -> '%s' ('%s')\n",
2882            artwork.gfx_current_identifier,
2883            artwork.gfx_current->identifier,
2884            gfx_new_identifier);
2885 #endif
2886
2887     setLevelArtworkDir(artwork.gfx_first);
2888
2889     ClearRectangle(window, 0, 0, WIN_XSIZE, WIN_YSIZE);
2890
2891     InitImages();
2892
2893     FreeTileClipmasks();
2894     InitTileClipmasks();
2895
2896     artwork.gfx_current_identifier = artwork.gfx_current->identifier;
2897     last_override_level_graphics = setup.override_level_graphics;
2898
2899     redraw_screen = TRUE;
2900   }
2901
2902   if (strcmp(artwork.snd_current_identifier, snd_new_identifier) != 0 ||
2903       last_override_level_sounds != setup.override_level_sounds)
2904   {
2905 #if 0
2906     printf("RELOADING SOUNDS '%s' -> '%s' ('%s')\n",
2907            artwork.snd_current_identifier,
2908            artwork.snd_current->identifier,
2909            snd_new_identifier);
2910 #endif
2911
2912     /* set artwork path to send it to the sound server process */
2913     setLevelArtworkDir(artwork.snd_first);
2914
2915     InitReloadCustomSounds(snd_new_identifier);
2916     ReinitializeSounds();
2917
2918     artwork.snd_current_identifier = artwork.snd_current->identifier;
2919     last_override_level_sounds = setup.override_level_sounds;
2920
2921     redraw_screen = TRUE;
2922   }
2923
2924   if (strcmp(artwork.mus_current_identifier, mus_new_identifier) != 0 ||
2925       last_override_level_music != setup.override_level_music)
2926   {
2927     /* set artwork path to send it to the sound server process */
2928     setLevelArtworkDir(artwork.mus_first);
2929
2930     InitReloadCustomMusic(mus_new_identifier);
2931     ReinitializeMusic();
2932
2933     artwork.mus_current_identifier = artwork.mus_current->identifier;
2934     last_override_level_music = setup.override_level_music;
2935
2936     redraw_screen = TRUE;
2937   }
2938
2939   if (redraw_screen)
2940   {
2941     InitGfxBackground();
2942
2943     /* force redraw of (open or closed) door graphics */
2944     SetDoorState(DOOR_OPEN_ALL);
2945     CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
2946   }
2947 }
2948
2949 void KeyboardAutoRepeatOffUnlessAutoplay()
2950 {
2951   if (global.autoplay_leveldir == NULL)
2952     KeyboardAutoRepeatOff();
2953 }
2954
2955
2956 /* ========================================================================= */
2957 /* OpenAll()                                                                 */
2958 /* ========================================================================= */
2959
2960 void OpenAll()
2961 {
2962   InitGlobal();         /* initialize some global variables */
2963
2964   if (options.execute_command)
2965     Execute_Command(options.execute_command);
2966
2967   if (options.serveronly)
2968   {
2969 #if defined(PLATFORM_UNIX)
2970     NetworkServer(options.server_port, options.serveronly);
2971 #else
2972     Error(ERR_WARN, "networking only supported in Unix version");
2973 #endif
2974     exit(0);    /* never reached */
2975   }
2976
2977   InitSetup();
2978
2979   InitPlayerInfo();
2980   InitArtworkInfo();            /* needed before loading gfx, sound & music */
2981   InitArtworkConfig();          /* needed before forking sound child process */
2982   InitMixer();
2983
2984   InitCounter();
2985
2986   InitRND(NEW_RANDOMIZE);
2987   InitSimpleRND(NEW_RANDOMIZE);
2988
2989   InitJoysticks();
2990
2991   InitVideoDisplay();
2992   InitVideoBuffer(&backbuffer, &window, WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH,
2993                   setup.fullscreen);
2994
2995   InitEventFilter(FilterMouseMotionEvents);
2996
2997   InitElementPropertiesStatic();
2998
2999   InitGfx();
3000
3001   InitLevelInfo();
3002   InitLevelArtworkInfo();
3003
3004   InitImages();                 /* needs to know current level directory */
3005   InitSound();                  /* needs to know current level directory */
3006   InitMusic();                  /* needs to know current level directory */
3007
3008   InitGfxBackground();
3009
3010   if (global.autoplay_leveldir)
3011   {
3012     AutoPlayTape();
3013     return;
3014   }
3015
3016   game_status = GAME_MODE_MAIN;
3017
3018   DrawMainMenu();
3019
3020   InitNetworkServer();
3021 }
3022
3023 void CloseAllAndExit(int exit_value)
3024 {
3025   StopSounds();
3026   FreeAllSounds();
3027   FreeAllMusic();
3028   CloseAudio();         /* called after freeing sounds (needed for SDL) */
3029
3030   FreeAllImages();
3031   FreeTileClipmasks();
3032
3033   CloseVideoDisplay();
3034   ClosePlatformDependantStuff();
3035
3036   exit(exit_value);
3037 }