rnd-20030428-1-src
[rocksndiamonds.git] / 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 #if 1
1083     EL_LANDMINE,
1084     EL_TRAP_ACTIVE,
1085     EL_SP_BUGGY_BASE_ACTIVE,
1086 #endif
1087     -1
1088   };
1089
1090   static int ep_collectible[] =
1091   {
1092     EL_BD_DIAMOND,
1093     EL_EMERALD,
1094     EL_DIAMOND,
1095     EL_EMERALD_YELLOW,
1096     EL_EMERALD_RED,
1097     EL_EMERALD_PURPLE,
1098     EL_KEY_1,
1099     EL_KEY_2,
1100     EL_KEY_3,
1101     EL_KEY_4,
1102     EL_EM_KEY_1,
1103     EL_EM_KEY_2,
1104     EL_EM_KEY_3,
1105     EL_EM_KEY_4,
1106     EL_DYNAMITE,
1107     EL_DYNABOMB_INCREASE_NUMBER,
1108     EL_DYNABOMB_INCREASE_SIZE,
1109     EL_DYNABOMB_INCREASE_POWER,
1110     EL_SP_INFOTRON,
1111     EL_SP_DISK_RED,
1112     EL_PEARL,
1113     EL_CRYSTAL,
1114     EL_KEY_WHITE,
1115     EL_SHIELD_NORMAL,
1116     EL_SHIELD_DEADLY,
1117     EL_EXTRA_TIME,
1118     EL_ENVELOPE,
1119     EL_SPEED_PILL,
1120     -1
1121   };
1122
1123   static int ep_indestructible[] =
1124   {
1125     EL_STEELWALL,
1126     EL_ACID,
1127     EL_ACID_POOL_TOPLEFT,
1128     EL_ACID_POOL_TOPRIGHT,
1129     EL_ACID_POOL_BOTTOMLEFT,
1130     EL_ACID_POOL_BOTTOM,
1131     EL_ACID_POOL_BOTTOMRIGHT,
1132     EL_SP_HARDWARE_GRAY,
1133     EL_SP_HARDWARE_GREEN,
1134     EL_SP_HARDWARE_BLUE,
1135     EL_SP_HARDWARE_RED,
1136     EL_SP_HARDWARE_YELLOW,
1137     EL_SP_HARDWARE_BASE_1,
1138     EL_SP_HARDWARE_BASE_2,
1139     EL_SP_HARDWARE_BASE_3,
1140     EL_SP_HARDWARE_BASE_4,
1141     EL_SP_HARDWARE_BASE_5,
1142     EL_SP_HARDWARE_BASE_6,
1143     EL_INVISIBLE_STEELWALL,
1144     EL_INVISIBLE_STEELWALL_ACTIVE,
1145     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
1146     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
1147     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
1148     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
1149     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
1150     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
1151     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
1152     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
1153     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
1154     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
1155     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
1156     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
1157     EL_LIGHT_SWITCH,
1158     EL_LIGHT_SWITCH_ACTIVE,
1159     EL_SIGN_EXCLAMATION,
1160     EL_SIGN_RADIOACTIVITY,
1161     EL_SIGN_STOP,
1162     EL_SIGN_WHEELCHAIR,
1163     EL_SIGN_PARKING,
1164     EL_SIGN_ONEWAY,
1165     EL_SIGN_HEART,
1166     EL_SIGN_TRIANGLE,
1167     EL_SIGN_ROUND,
1168     EL_SIGN_EXIT,
1169     EL_SIGN_YINYANG,
1170     EL_SIGN_OTHER,
1171     EL_STEELWALL_SLANTED,
1172     EL_EMC_STEELWALL_1,
1173     EL_EMC_STEELWALL_2,
1174     EL_EMC_STEELWALL_3,
1175     EL_EMC_STEELWALL_4,
1176     EL_CRYSTAL,
1177     EL_GATE_1,
1178     EL_GATE_2,
1179     EL_GATE_3,
1180     EL_GATE_4,
1181     EL_GATE_1_GRAY,
1182     EL_GATE_2_GRAY,
1183     EL_GATE_3_GRAY,
1184     EL_GATE_4_GRAY,
1185     EL_EM_GATE_1,
1186     EL_EM_GATE_2,
1187     EL_EM_GATE_3,
1188     EL_EM_GATE_4,
1189     EL_EM_GATE_1_GRAY,
1190     EL_EM_GATE_2_GRAY,
1191     EL_EM_GATE_3_GRAY,
1192     EL_EM_GATE_4_GRAY,
1193     EL_SWITCHGATE_OPEN,
1194     EL_SWITCHGATE_OPENING,
1195     EL_SWITCHGATE_CLOSED,
1196     EL_SWITCHGATE_CLOSING,
1197     EL_TIMEGATE_OPEN,
1198     EL_TIMEGATE_OPENING,
1199     EL_TIMEGATE_CLOSED,
1200     EL_TIMEGATE_CLOSING,
1201     EL_TUBE_ANY,
1202     EL_TUBE_VERTICAL,
1203     EL_TUBE_HORIZONTAL,
1204     EL_TUBE_VERTICAL_LEFT,
1205     EL_TUBE_VERTICAL_RIGHT,
1206     EL_TUBE_HORIZONTAL_UP,
1207     EL_TUBE_HORIZONTAL_DOWN,
1208     EL_TUBE_LEFT_UP,
1209     EL_TUBE_LEFT_DOWN,
1210     EL_TUBE_RIGHT_UP,
1211     EL_TUBE_RIGHT_DOWN,
1212     -1
1213   };
1214
1215   static int ep_slippery[] =
1216   {
1217     EL_WALL_CRUMBLED,
1218     EL_BD_WALL,
1219     EL_ROCK,
1220     EL_BD_ROCK,
1221     EL_EMERALD,
1222     EL_BD_DIAMOND,
1223     EL_EMERALD_YELLOW,
1224     EL_EMERALD_RED,
1225     EL_EMERALD_PURPLE,
1226     EL_DIAMOND,
1227     EL_BOMB,
1228     EL_NUT,
1229     EL_ROBOT_WHEEL_ACTIVE,
1230     EL_ROBOT_WHEEL,
1231     EL_TIME_ORB_FULL,
1232     EL_TIME_ORB_EMPTY,
1233     EL_LAMP_ACTIVE,
1234     EL_LAMP,
1235     EL_ACID_POOL_TOPLEFT,
1236     EL_ACID_POOL_TOPRIGHT,
1237     EL_SATELLITE,
1238     EL_SP_ZONK,
1239     EL_SP_INFOTRON,
1240     EL_SP_CHIP_SINGLE,
1241     EL_SP_CHIP_LEFT,
1242     EL_SP_CHIP_RIGHT,
1243     EL_SP_CHIP_TOP,
1244     EL_SP_CHIP_BOTTOM,
1245     EL_SPEED_PILL,
1246     EL_STEELWALL_SLANTED,
1247     EL_PEARL,
1248     EL_CRYSTAL,
1249     -1
1250   };
1251
1252   static int ep_can_fall[] =
1253   {
1254     EL_ROCK,
1255     EL_BD_ROCK,
1256     EL_EMERALD,
1257     EL_BD_DIAMOND,
1258     EL_EMERALD_YELLOW,
1259     EL_EMERALD_RED,
1260     EL_EMERALD_PURPLE,
1261     EL_DIAMOND,
1262     EL_BOMB,
1263     EL_NUT,
1264     EL_AMOEBA_DROP,
1265     EL_QUICKSAND_FULL,
1266     EL_MAGIC_WALL_FULL,
1267     EL_BD_MAGIC_WALL_FULL,
1268     EL_TIME_ORB_FULL,
1269     EL_TIME_ORB_EMPTY,
1270     EL_SP_ZONK,
1271     EL_SP_INFOTRON,
1272     EL_SP_DISK_ORANGE,
1273     EL_PEARL,
1274     EL_CRYSTAL,
1275     EL_SPRING,
1276     EL_DX_SUPABOMB,
1277     -1
1278   };
1279
1280   static int ep_can_smash[] =
1281   {
1282     EL_ROCK,
1283     EL_BD_ROCK,
1284     EL_EMERALD,
1285     EL_BD_DIAMOND,
1286     EL_EMERALD_YELLOW,
1287     EL_EMERALD_RED,
1288     EL_EMERALD_PURPLE,
1289     EL_DIAMOND,
1290     EL_BOMB,
1291     EL_NUT,
1292     EL_AMOEBA_DROP,
1293     EL_TIME_ORB_FULL,
1294     EL_TIME_ORB_EMPTY,
1295     EL_SP_ZONK,
1296     EL_SP_INFOTRON,
1297     EL_SP_DISK_ORANGE,
1298     EL_PEARL,
1299     EL_CRYSTAL,
1300     EL_SPRING,
1301     EL_DX_SUPABOMB,
1302     -1
1303   };
1304
1305   static int ep_walkable_over[] =
1306   {
1307     EL_EMPTY_SPACE,
1308     EL_SP_EMPTY_SPACE,
1309     EL_SOKOBAN_FIELD_EMPTY,
1310     EL_EXIT_OPEN,
1311     EL_SP_EXIT_OPEN,
1312     EL_GATE_1,
1313     EL_GATE_2,
1314     EL_GATE_3,
1315     EL_GATE_4,
1316     EL_GATE_1_GRAY,
1317     EL_GATE_2_GRAY,
1318     EL_GATE_3_GRAY,
1319     EL_GATE_4_GRAY,
1320     -1
1321   };
1322
1323   static int ep_walkable_inside[] =
1324   {
1325     EL_TUBE_ANY,
1326     EL_TUBE_VERTICAL,
1327     EL_TUBE_HORIZONTAL,
1328     EL_TUBE_VERTICAL_LEFT,
1329     EL_TUBE_VERTICAL_RIGHT,
1330     EL_TUBE_HORIZONTAL_UP,
1331     EL_TUBE_HORIZONTAL_DOWN,
1332     EL_TUBE_LEFT_UP,
1333     EL_TUBE_LEFT_DOWN,
1334     EL_TUBE_RIGHT_UP,
1335     EL_TUBE_RIGHT_DOWN,
1336     -1
1337   };
1338
1339   static int ep_walkable_under[] =
1340   {
1341     -1
1342   };
1343
1344   static int ep_passable_over[] =
1345   {
1346     EL_EM_GATE_1,
1347     EL_EM_GATE_2,
1348     EL_EM_GATE_3,
1349     EL_EM_GATE_4,
1350     EL_EM_GATE_1_GRAY,
1351     EL_EM_GATE_2_GRAY,
1352     EL_EM_GATE_3_GRAY,
1353     EL_EM_GATE_4_GRAY,
1354     EL_SWITCHGATE_OPEN,
1355     EL_TIMEGATE_OPEN,
1356     -1
1357   };
1358
1359   static int ep_passable_inside[] =
1360   {
1361     EL_SP_PORT_LEFT,
1362     EL_SP_PORT_RIGHT,
1363     EL_SP_PORT_UP,
1364     EL_SP_PORT_DOWN,
1365     EL_SP_PORT_HORIZONTAL,
1366     EL_SP_PORT_VERTICAL,
1367     EL_SP_PORT_ANY,
1368     EL_SP_GRAVITY_PORT_LEFT,
1369     EL_SP_GRAVITY_PORT_RIGHT,
1370     EL_SP_GRAVITY_PORT_UP,
1371     EL_SP_GRAVITY_PORT_DOWN,
1372     -1
1373   };
1374
1375   static int ep_passable_under[] =
1376   {
1377     -1
1378   };
1379
1380   static int ep_pushable[] =
1381   {
1382     EL_ROCK,
1383     EL_BD_ROCK,
1384     EL_BOMB,
1385     EL_NUT,
1386     EL_TIME_ORB_EMPTY,
1387     EL_SOKOBAN_FIELD_FULL,
1388     EL_SOKOBAN_OBJECT,
1389     EL_SATELLITE,
1390     EL_SP_ZONK,
1391     EL_SP_DISK_ORANGE,
1392     EL_SP_DISK_YELLOW,
1393     EL_BALLOON,
1394     EL_SPRING,
1395     EL_DX_SUPABOMB,
1396     -1
1397   };
1398
1399   static int ep_player[] =
1400   {
1401     EL_PLAYER_1,
1402     EL_PLAYER_2,
1403     EL_PLAYER_3,
1404     EL_PLAYER_4,
1405     -1
1406   };
1407
1408   static int ep_can_be_crumbled[] =
1409   {
1410     EL_SAND,
1411     EL_LANDMINE,
1412     EL_TRAP,
1413     EL_TRAP_ACTIVE,
1414     -1
1415   };
1416
1417   static int ep_can_move[] =
1418   {
1419     /* only stored in level file */
1420     EL_BUG_RIGHT,
1421     EL_BUG_UP,
1422     EL_BUG_LEFT,
1423     EL_BUG_DOWN,
1424     EL_SPACESHIP_RIGHT,
1425     EL_SPACESHIP_UP,
1426     EL_SPACESHIP_LEFT,
1427     EL_SPACESHIP_DOWN,
1428     EL_BD_BUTTERFLY_RIGHT,
1429     EL_BD_BUTTERFLY_UP,
1430     EL_BD_BUTTERFLY_LEFT,
1431     EL_BD_BUTTERFLY_DOWN,
1432     EL_BD_FIREFLY_RIGHT,
1433     EL_BD_FIREFLY_UP,
1434     EL_BD_FIREFLY_LEFT,
1435     EL_BD_FIREFLY_DOWN,
1436     EL_PACMAN_RIGHT,
1437     EL_PACMAN_UP,
1438     EL_PACMAN_LEFT,
1439     EL_PACMAN_DOWN,
1440
1441     /* level file and runtime elements */
1442     EL_BUG,
1443     EL_SPACESHIP,
1444     EL_BD_BUTTERFLY,
1445     EL_BD_FIREFLY,
1446     EL_YAMYAM,
1447     EL_DARK_YAMYAM,
1448     EL_ROBOT,
1449     EL_PACMAN,
1450     EL_MOLE,
1451     EL_PENGUIN,
1452     EL_PIG,
1453     EL_DRAGON,
1454     EL_SATELLITE,
1455     EL_SP_SNIKSNAK,
1456     EL_SP_ELECTRON,
1457     EL_BALLOON,
1458     EL_SPRING,
1459     -1
1460   };
1461
1462   static int ep_can_pass_magic_wall[] =
1463   {
1464     EL_ROCK,
1465     EL_BD_ROCK,
1466     EL_EMERALD,
1467     EL_BD_DIAMOND,
1468     EL_EMERALD_YELLOW,
1469     EL_EMERALD_RED,
1470     EL_EMERALD_PURPLE,
1471     EL_DIAMOND,
1472     -1
1473   };
1474
1475   static int ep_dont_touch[] =
1476   {
1477     EL_BUG,
1478     EL_SPACESHIP,
1479     EL_BD_BUTTERFLY,
1480     EL_BD_FIREFLY,
1481     -1
1482   };
1483
1484   static int ep_enemy[] =
1485   {
1486     EL_BUG,
1487     EL_SPACESHIP,
1488     EL_BD_BUTTERFLY,
1489     EL_BD_FIREFLY,
1490     EL_YAMYAM,
1491     EL_DARK_YAMYAM,
1492     EL_ROBOT,
1493     EL_PACMAN,
1494     EL_SP_SNIKSNAK,
1495     EL_SP_ELECTRON,
1496     -1
1497   };
1498
1499   static int ep_dont_go_to[] =
1500   {
1501     EL_BUG,
1502     EL_SPACESHIP,
1503     EL_BD_BUTTERFLY,
1504     EL_BD_FIREFLY,
1505     EL_YAMYAM,
1506     EL_DARK_YAMYAM,
1507     EL_ROBOT,
1508     EL_PACMAN,
1509     EL_AMOEBA_DROP,
1510     EL_ACID,
1511     EL_SP_SNIKSNAK,
1512     EL_SP_ELECTRON,
1513     EL_SP_BUGGY_BASE_ACTIVE,
1514     EL_TRAP_ACTIVE,
1515     EL_LANDMINE,
1516     -1
1517   };
1518
1519   static int ep_can_explode[] =
1520   {
1521     EL_BOMB,
1522     EL_DYNAMITE_ACTIVE,
1523     EL_DYNAMITE,
1524     EL_DYNABOMB_PLAYER_1_ACTIVE,
1525     EL_DYNABOMB_PLAYER_2_ACTIVE,
1526     EL_DYNABOMB_PLAYER_3_ACTIVE,
1527     EL_DYNABOMB_PLAYER_4_ACTIVE,
1528     EL_DYNABOMB_INCREASE_NUMBER,
1529     EL_DYNABOMB_INCREASE_SIZE,
1530     EL_DYNABOMB_INCREASE_POWER,
1531     EL_SP_DISK_RED_ACTIVE,
1532     EL_BUG,
1533     EL_MOLE,
1534     EL_PENGUIN,
1535     EL_PIG,
1536     EL_DRAGON,
1537     EL_SATELLITE,
1538     EL_SP_DISK_RED,
1539     EL_SP_DISK_ORANGE,
1540     EL_SP_DISK_YELLOW,
1541     EL_SP_SNIKSNAK,
1542     EL_SP_ELECTRON,
1543     EL_DX_SUPABOMB,
1544     -1
1545   };
1546
1547   static int ep_bd_element[] =
1548   {
1549     EL_EMPTY,
1550     EL_SAND,
1551     EL_WALL_CRUMBLED,
1552     EL_BD_WALL,
1553     EL_ROCK,
1554     EL_BD_ROCK,
1555     EL_BD_DIAMOND,
1556     EL_BD_MAGIC_WALL,
1557     EL_EXIT_CLOSED,
1558     EL_EXIT_OPEN,
1559     EL_STEELWALL,
1560     EL_PLAYER_1,
1561     EL_BD_FIREFLY,
1562     EL_BD_FIREFLY_1,
1563     EL_BD_FIREFLY_2,
1564     EL_BD_FIREFLY_3,
1565     EL_BD_FIREFLY_4,
1566     EL_BD_BUTTERFLY,
1567     EL_BD_BUTTERFLY_1,
1568     EL_BD_BUTTERFLY_2,
1569     EL_BD_BUTTERFLY_3,
1570     EL_BD_BUTTERFLY_4,
1571     EL_BD_AMOEBA,
1572     EL_CHAR_QUESTION,
1573     -1
1574   };
1575
1576   static int ep_sp_element[] =
1577   {
1578     EL_SP_EMPTY,
1579     EL_SP_ZONK,
1580     EL_SP_BASE,
1581     EL_SP_MURPHY,
1582     EL_SP_INFOTRON,
1583     EL_SP_CHIP_SINGLE,
1584     EL_SP_HARDWARE_GRAY,
1585     EL_SP_EXIT_CLOSED,
1586     EL_SP_EXIT_OPEN,
1587     EL_SP_DISK_ORANGE,
1588     EL_SP_PORT_RIGHT,
1589     EL_SP_PORT_DOWN,
1590     EL_SP_PORT_LEFT,
1591     EL_SP_PORT_UP,
1592     EL_SP_GRAVITY_PORT_RIGHT,
1593     EL_SP_GRAVITY_PORT_DOWN,
1594     EL_SP_GRAVITY_PORT_LEFT,
1595     EL_SP_GRAVITY_PORT_UP,
1596     EL_SP_SNIKSNAK,
1597     EL_SP_DISK_YELLOW,
1598     EL_SP_TERMINAL,
1599     EL_SP_DISK_RED,
1600     EL_SP_PORT_VERTICAL,
1601     EL_SP_PORT_HORIZONTAL,
1602     EL_SP_PORT_ANY,
1603     EL_SP_ELECTRON,
1604     EL_SP_BUGGY_BASE,
1605     EL_SP_CHIP_LEFT,
1606     EL_SP_CHIP_RIGHT,
1607     EL_SP_HARDWARE_BASE_1,
1608     EL_SP_HARDWARE_GREEN,
1609     EL_SP_HARDWARE_BLUE,
1610     EL_SP_HARDWARE_RED,
1611     EL_SP_HARDWARE_YELLOW,
1612     EL_SP_HARDWARE_BASE_2,
1613     EL_SP_HARDWARE_BASE_3,
1614     EL_SP_HARDWARE_BASE_4,
1615     EL_SP_HARDWARE_BASE_5,
1616     EL_SP_HARDWARE_BASE_6,
1617     EL_SP_CHIP_TOP,
1618     EL_SP_CHIP_BOTTOM,
1619     /* additional elements that appeared in newer Supaplex levels */
1620     EL_INVISIBLE_WALL,
1621     /* more than one murphy in a level results in an inactive clone */
1622     EL_SP_MURPHY_CLONE,
1623     -1
1624   };
1625
1626   static int ep_sb_element[] =
1627   {
1628     EL_EMPTY,
1629     EL_STEELWALL,
1630     EL_SOKOBAN_OBJECT,
1631     EL_SOKOBAN_FIELD_EMPTY,
1632     EL_SOKOBAN_FIELD_FULL,
1633     EL_PLAYER_1,
1634     EL_INVISIBLE_STEELWALL,
1635     -1
1636   };
1637
1638   static int ep_gem[] =
1639   {
1640     EL_BD_DIAMOND,
1641     EL_EMERALD,
1642     EL_EMERALD_YELLOW,
1643     EL_EMERALD_RED,
1644     EL_EMERALD_PURPLE,
1645     EL_DIAMOND,
1646     -1
1647   };
1648
1649   static int ep_food_dark_yamyam[] =
1650   {
1651     EL_SAND,
1652     EL_BUG,
1653     EL_SPACESHIP,
1654     EL_BD_BUTTERFLY,
1655     EL_BD_FIREFLY,
1656     EL_YAMYAM,
1657     EL_ROBOT,
1658     EL_PACMAN,
1659     EL_AMOEBA_DROP,
1660     EL_AMOEBA_DEAD,
1661     EL_AMOEBA_WET,
1662     EL_AMOEBA_DRY,
1663     EL_AMOEBA_FULL,
1664     EL_BD_AMOEBA,
1665     EL_EMERALD,
1666     EL_BD_DIAMOND,
1667     EL_EMERALD_YELLOW,
1668     EL_EMERALD_RED,
1669     EL_EMERALD_PURPLE,
1670     EL_DIAMOND,
1671     EL_PEARL,
1672     EL_CRYSTAL,
1673     -1
1674   };
1675
1676   static int ep_food_penguin[] =
1677   {
1678     EL_EMERALD,
1679     EL_BD_DIAMOND,
1680     EL_EMERALD_YELLOW,
1681     EL_EMERALD_RED,
1682     EL_EMERALD_PURPLE,
1683     EL_DIAMOND,
1684     EL_PEARL,
1685     EL_CRYSTAL,
1686     -1
1687   };
1688
1689   static int ep_food_pig[] =
1690   {
1691     EL_EMERALD,
1692     EL_BD_DIAMOND,
1693     EL_EMERALD_YELLOW,
1694     EL_EMERALD_RED,
1695     EL_EMERALD_PURPLE,
1696     EL_DIAMOND,
1697     -1
1698   };
1699
1700   static int ep_historic_wall[] =
1701   {
1702     EL_STEELWALL,
1703     EL_GATE_1,
1704     EL_GATE_2,
1705     EL_GATE_3,
1706     EL_GATE_4,
1707     EL_GATE_1_GRAY,
1708     EL_GATE_2_GRAY,
1709     EL_GATE_3_GRAY,
1710     EL_GATE_4_GRAY,
1711     EL_EM_GATE_1,
1712     EL_EM_GATE_2,
1713     EL_EM_GATE_3,
1714     EL_EM_GATE_4,
1715     EL_EM_GATE_1_GRAY,
1716     EL_EM_GATE_2_GRAY,
1717     EL_EM_GATE_3_GRAY,
1718     EL_EM_GATE_4_GRAY,
1719     EL_EXIT_CLOSED,
1720     EL_EXIT_OPENING,
1721     EL_EXIT_OPEN,
1722     EL_WALL,
1723     EL_WALL_CRUMBLED,
1724     EL_EXPANDABLE_WALL,
1725     EL_EXPANDABLE_WALL_HORIZONTAL,
1726     EL_EXPANDABLE_WALL_VERTICAL,
1727     EL_EXPANDABLE_WALL_ANY,
1728     EL_EXPANDABLE_WALL_GROWING,
1729     EL_BD_WALL,
1730     EL_SP_CHIP_SINGLE,
1731     EL_SP_CHIP_LEFT,
1732     EL_SP_CHIP_RIGHT,
1733     EL_SP_CHIP_TOP,
1734     EL_SP_CHIP_BOTTOM,
1735     EL_SP_HARDWARE_GRAY,
1736     EL_SP_HARDWARE_GREEN,
1737     EL_SP_HARDWARE_BLUE,
1738     EL_SP_HARDWARE_RED,
1739     EL_SP_HARDWARE_YELLOW,
1740     EL_SP_HARDWARE_BASE_1,
1741     EL_SP_HARDWARE_BASE_2,
1742     EL_SP_HARDWARE_BASE_3,
1743     EL_SP_HARDWARE_BASE_4,
1744     EL_SP_HARDWARE_BASE_5,
1745     EL_SP_HARDWARE_BASE_6,
1746     EL_SP_TERMINAL,
1747     EL_SP_TERMINAL_ACTIVE,
1748     EL_SP_EXIT_CLOSED,
1749     EL_SP_EXIT_OPEN,
1750     EL_INVISIBLE_STEELWALL,
1751     EL_INVISIBLE_STEELWALL_ACTIVE,
1752     EL_INVISIBLE_WALL,
1753     EL_INVISIBLE_WALL_ACTIVE,
1754     EL_STEELWALL_SLANTED,
1755     EL_EMC_STEELWALL_1,
1756     EL_EMC_STEELWALL_2,
1757     EL_EMC_STEELWALL_3,
1758     EL_EMC_STEELWALL_4,
1759     EL_EMC_WALL_1,
1760     EL_EMC_WALL_2,
1761     EL_EMC_WALL_3,
1762     EL_EMC_WALL_4,
1763     EL_EMC_WALL_5,
1764     EL_EMC_WALL_6,
1765     EL_EMC_WALL_7,
1766     EL_EMC_WALL_8,
1767     -1
1768   };
1769
1770   static int ep_historic_solid[] =
1771   {
1772     EL_WALL,
1773     EL_EXPANDABLE_WALL,
1774     EL_EXPANDABLE_WALL_HORIZONTAL,
1775     EL_EXPANDABLE_WALL_VERTICAL,
1776     EL_EXPANDABLE_WALL_ANY,
1777     EL_BD_WALL,
1778     EL_WALL_CRUMBLED,
1779     EL_EXIT_CLOSED,
1780     EL_EXIT_OPENING,
1781     EL_EXIT_OPEN,
1782     EL_AMOEBA_DEAD,
1783     EL_AMOEBA_WET,
1784     EL_AMOEBA_DRY,
1785     EL_AMOEBA_FULL,
1786     EL_BD_AMOEBA,
1787     EL_QUICKSAND_EMPTY,
1788     EL_QUICKSAND_FULL,
1789     EL_QUICKSAND_FILLING,
1790     EL_QUICKSAND_EMPTYING,
1791     EL_MAGIC_WALL,
1792     EL_MAGIC_WALL_ACTIVE,
1793     EL_MAGIC_WALL_EMPTYING,
1794     EL_MAGIC_WALL_FILLING,
1795     EL_MAGIC_WALL_FULL,
1796     EL_MAGIC_WALL_DEAD,
1797     EL_BD_MAGIC_WALL,
1798     EL_BD_MAGIC_WALL_ACTIVE,
1799     EL_BD_MAGIC_WALL_EMPTYING,
1800     EL_BD_MAGIC_WALL_FULL,
1801     EL_BD_MAGIC_WALL_FILLING,
1802     EL_BD_MAGIC_WALL_DEAD,
1803     EL_GAME_OF_LIFE,
1804     EL_BIOMAZE,
1805     EL_SP_CHIP_SINGLE,
1806     EL_SP_CHIP_LEFT,
1807     EL_SP_CHIP_RIGHT,
1808     EL_SP_CHIP_TOP,
1809     EL_SP_CHIP_BOTTOM,
1810     EL_SP_TERMINAL,
1811     EL_SP_TERMINAL_ACTIVE,
1812     EL_SP_EXIT_CLOSED,
1813     EL_SP_EXIT_OPEN,
1814     EL_INVISIBLE_WALL,
1815     EL_INVISIBLE_WALL_ACTIVE,
1816     EL_SWITCHGATE_SWITCH_UP,
1817     EL_SWITCHGATE_SWITCH_DOWN,
1818     EL_TIMEGATE_SWITCH,
1819     EL_TIMEGATE_SWITCH_ACTIVE,
1820     EL_EMC_WALL_1,
1821     EL_EMC_WALL_2,
1822     EL_EMC_WALL_3,
1823     EL_EMC_WALL_4,
1824     EL_EMC_WALL_5,
1825     EL_EMC_WALL_6,
1826     EL_EMC_WALL_7,
1827     EL_EMC_WALL_8,
1828     EL_WALL_PEARL,
1829     EL_WALL_CRYSTAL,
1830
1831     /* the following elements are a direct copy of "indestructible" elements,
1832        except "EL_ACID", which is "indestructible", but not "solid"! */
1833 #if 0
1834     EL_ACID,
1835 #endif
1836     EL_STEELWALL,
1837     EL_ACID_POOL_TOPLEFT,
1838     EL_ACID_POOL_TOPRIGHT,
1839     EL_ACID_POOL_BOTTOMLEFT,
1840     EL_ACID_POOL_BOTTOM,
1841     EL_ACID_POOL_BOTTOMRIGHT,
1842     EL_SP_HARDWARE_GRAY,
1843     EL_SP_HARDWARE_GREEN,
1844     EL_SP_HARDWARE_BLUE,
1845     EL_SP_HARDWARE_RED,
1846     EL_SP_HARDWARE_YELLOW,
1847     EL_SP_HARDWARE_BASE_1,
1848     EL_SP_HARDWARE_BASE_2,
1849     EL_SP_HARDWARE_BASE_3,
1850     EL_SP_HARDWARE_BASE_4,
1851     EL_SP_HARDWARE_BASE_5,
1852     EL_SP_HARDWARE_BASE_6,
1853     EL_INVISIBLE_STEELWALL,
1854     EL_INVISIBLE_STEELWALL_ACTIVE,
1855     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
1856     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
1857     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
1858     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
1859     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
1860     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
1861     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
1862     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
1863     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
1864     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
1865     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
1866     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
1867     EL_LIGHT_SWITCH,
1868     EL_LIGHT_SWITCH_ACTIVE,
1869     EL_SIGN_EXCLAMATION,
1870     EL_SIGN_RADIOACTIVITY,
1871     EL_SIGN_STOP,
1872     EL_SIGN_WHEELCHAIR,
1873     EL_SIGN_PARKING,
1874     EL_SIGN_ONEWAY,
1875     EL_SIGN_HEART,
1876     EL_SIGN_TRIANGLE,
1877     EL_SIGN_ROUND,
1878     EL_SIGN_EXIT,
1879     EL_SIGN_YINYANG,
1880     EL_SIGN_OTHER,
1881     EL_STEELWALL_SLANTED,
1882     EL_EMC_STEELWALL_1,
1883     EL_EMC_STEELWALL_2,
1884     EL_EMC_STEELWALL_3,
1885     EL_EMC_STEELWALL_4,
1886     EL_CRYSTAL,
1887     EL_GATE_1,
1888     EL_GATE_2,
1889     EL_GATE_3,
1890     EL_GATE_4,
1891     EL_GATE_1_GRAY,
1892     EL_GATE_2_GRAY,
1893     EL_GATE_3_GRAY,
1894     EL_GATE_4_GRAY,
1895     EL_EM_GATE_1,
1896     EL_EM_GATE_2,
1897     EL_EM_GATE_3,
1898     EL_EM_GATE_4,
1899     EL_EM_GATE_1_GRAY,
1900     EL_EM_GATE_2_GRAY,
1901     EL_EM_GATE_3_GRAY,
1902     EL_EM_GATE_4_GRAY,
1903     EL_SWITCHGATE_OPEN,
1904     EL_SWITCHGATE_OPENING,
1905     EL_SWITCHGATE_CLOSED,
1906     EL_SWITCHGATE_CLOSING,
1907     EL_TIMEGATE_OPEN,
1908     EL_TIMEGATE_OPENING,
1909     EL_TIMEGATE_CLOSED,
1910     EL_TIMEGATE_CLOSING,
1911     EL_TUBE_ANY,
1912     EL_TUBE_VERTICAL,
1913     EL_TUBE_HORIZONTAL,
1914     EL_TUBE_VERTICAL_LEFT,
1915     EL_TUBE_VERTICAL_RIGHT,
1916     EL_TUBE_HORIZONTAL_UP,
1917     EL_TUBE_HORIZONTAL_DOWN,
1918     EL_TUBE_LEFT_UP,
1919     EL_TUBE_LEFT_DOWN,
1920     EL_TUBE_RIGHT_UP,
1921     EL_TUBE_RIGHT_DOWN,
1922     -1
1923   };
1924
1925   static int ep_belt[] =
1926   {
1927     EL_CONVEYOR_BELT_1_LEFT,
1928     EL_CONVEYOR_BELT_1_MIDDLE,
1929     EL_CONVEYOR_BELT_1_RIGHT,
1930     EL_CONVEYOR_BELT_2_LEFT,
1931     EL_CONVEYOR_BELT_2_MIDDLE,
1932     EL_CONVEYOR_BELT_2_RIGHT,
1933     EL_CONVEYOR_BELT_3_LEFT,
1934     EL_CONVEYOR_BELT_3_MIDDLE,
1935     EL_CONVEYOR_BELT_3_RIGHT,
1936     EL_CONVEYOR_BELT_4_LEFT,
1937     EL_CONVEYOR_BELT_4_MIDDLE,
1938     EL_CONVEYOR_BELT_4_RIGHT,
1939     -1
1940   };
1941
1942   static int ep_belt_active[] =
1943   {
1944     EL_CONVEYOR_BELT_1_LEFT_ACTIVE,
1945     EL_CONVEYOR_BELT_1_MIDDLE_ACTIVE,
1946     EL_CONVEYOR_BELT_1_RIGHT_ACTIVE,
1947     EL_CONVEYOR_BELT_2_LEFT_ACTIVE,
1948     EL_CONVEYOR_BELT_2_MIDDLE_ACTIVE,
1949     EL_CONVEYOR_BELT_2_RIGHT_ACTIVE,
1950     EL_CONVEYOR_BELT_3_LEFT_ACTIVE,
1951     EL_CONVEYOR_BELT_3_MIDDLE_ACTIVE,
1952     EL_CONVEYOR_BELT_3_RIGHT_ACTIVE,
1953     EL_CONVEYOR_BELT_4_LEFT_ACTIVE,
1954     EL_CONVEYOR_BELT_4_MIDDLE_ACTIVE,
1955     EL_CONVEYOR_BELT_4_RIGHT_ACTIVE,
1956     -1
1957   };
1958
1959   static int ep_belt_switch[] =
1960   {
1961     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
1962     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
1963     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
1964     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
1965     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
1966     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
1967     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
1968     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
1969     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
1970     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
1971     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
1972     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
1973     -1
1974   };
1975
1976   static int ep_tube[] =
1977   {
1978     EL_TUBE_LEFT_UP,
1979     EL_TUBE_LEFT_DOWN,
1980     EL_TUBE_RIGHT_UP,
1981     EL_TUBE_RIGHT_DOWN,
1982     EL_TUBE_HORIZONTAL,
1983     EL_TUBE_HORIZONTAL_UP,
1984     EL_TUBE_HORIZONTAL_DOWN,
1985     EL_TUBE_VERTICAL,
1986     EL_TUBE_VERTICAL_LEFT,
1987     EL_TUBE_VERTICAL_RIGHT,
1988     EL_TUBE_ANY,
1989     -1
1990   };
1991
1992   static int ep_keygate[] =
1993   {
1994     EL_GATE_1,
1995     EL_GATE_2,
1996     EL_GATE_3,
1997     EL_GATE_4,
1998     EL_GATE_1_GRAY,
1999     EL_GATE_2_GRAY,
2000     EL_GATE_3_GRAY,
2001     EL_GATE_4_GRAY,
2002     EL_EM_GATE_1,
2003     EL_EM_GATE_2,
2004     EL_EM_GATE_3,
2005     EL_EM_GATE_4,
2006     EL_EM_GATE_1_GRAY,
2007     EL_EM_GATE_2_GRAY,
2008     EL_EM_GATE_3_GRAY,
2009     EL_EM_GATE_4_GRAY,
2010     -1
2011   };
2012
2013   static int ep_amoeboid[] =
2014   {
2015     EL_AMOEBA_DEAD,
2016     EL_AMOEBA_WET,
2017     EL_AMOEBA_DRY,
2018     EL_AMOEBA_FULL,
2019     EL_BD_AMOEBA,
2020     -1
2021   };
2022
2023   static int ep_amoebalive[] =
2024   {
2025     EL_AMOEBA_WET,
2026     EL_AMOEBA_DRY,
2027     EL_AMOEBA_FULL,
2028     EL_BD_AMOEBA,
2029     -1
2030   };
2031
2032   static int ep_has_content[] =
2033   {
2034     EL_YAMYAM,
2035     EL_AMOEBA_WET,
2036     EL_AMOEBA_DRY,
2037     EL_AMOEBA_FULL,
2038     EL_BD_AMOEBA,
2039     -1
2040   };
2041
2042   static int ep_active_bomb[] =
2043   {
2044     EL_DYNAMITE_ACTIVE,
2045     EL_DYNABOMB_PLAYER_1_ACTIVE,
2046     EL_DYNABOMB_PLAYER_2_ACTIVE,
2047     EL_DYNABOMB_PLAYER_3_ACTIVE,
2048     EL_DYNABOMB_PLAYER_4_ACTIVE,
2049     EL_SP_DISK_RED_ACTIVE,
2050     -1
2051   };
2052
2053   static int ep_inactive[] =
2054   {
2055     EL_EMPTY,
2056     EL_SAND,
2057     EL_WALL,
2058     EL_BD_WALL,
2059     EL_WALL_CRUMBLED,
2060     EL_STEELWALL,
2061     EL_AMOEBA_DEAD,
2062     EL_QUICKSAND_EMPTY,
2063     EL_STONEBLOCK,
2064     EL_ROBOT_WHEEL,
2065     EL_KEY_1,
2066     EL_KEY_2,
2067     EL_KEY_3,
2068     EL_KEY_4,
2069     EL_EM_KEY_1,
2070     EL_EM_KEY_2,
2071     EL_EM_KEY_3,
2072     EL_EM_KEY_4,
2073     EL_GATE_1,
2074     EL_GATE_2,
2075     EL_GATE_3,
2076     EL_GATE_4,
2077     EL_GATE_1_GRAY,
2078     EL_GATE_2_GRAY,
2079     EL_GATE_3_GRAY,
2080     EL_GATE_4_GRAY,
2081     EL_EM_GATE_1,
2082     EL_EM_GATE_2,
2083     EL_EM_GATE_3,
2084     EL_EM_GATE_4,
2085     EL_EM_GATE_1_GRAY,
2086     EL_EM_GATE_2_GRAY,
2087     EL_EM_GATE_3_GRAY,
2088     EL_EM_GATE_4_GRAY,
2089     EL_DYNAMITE,
2090     EL_INVISIBLE_STEELWALL,
2091     EL_INVISIBLE_WALL,
2092     EL_INVISIBLE_SAND,
2093     EL_LAMP,
2094     EL_LAMP_ACTIVE,
2095     EL_WALL_EMERALD,
2096     EL_WALL_DIAMOND,
2097     EL_WALL_BD_DIAMOND,
2098     EL_WALL_EMERALD_YELLOW,
2099     EL_DYNABOMB_INCREASE_NUMBER,
2100     EL_DYNABOMB_INCREASE_SIZE,
2101     EL_DYNABOMB_INCREASE_POWER,
2102     EL_SOKOBAN_OBJECT,
2103     EL_SOKOBAN_FIELD_EMPTY,
2104     EL_SOKOBAN_FIELD_FULL,
2105     EL_WALL_EMERALD_RED,
2106     EL_WALL_EMERALD_PURPLE,
2107     EL_ACID_POOL_TOPLEFT,
2108     EL_ACID_POOL_TOPRIGHT,
2109     EL_ACID_POOL_BOTTOMLEFT,
2110     EL_ACID_POOL_BOTTOM,
2111     EL_ACID_POOL_BOTTOMRIGHT,
2112     EL_MAGIC_WALL,
2113     EL_MAGIC_WALL_DEAD,
2114     EL_BD_MAGIC_WALL,
2115     EL_BD_MAGIC_WALL_DEAD,
2116     EL_AMOEBA_TO_DIAMOND,
2117     EL_BLOCKED,
2118     EL_SP_EMPTY,
2119     EL_SP_BASE,
2120     EL_SP_PORT_RIGHT,
2121     EL_SP_PORT_DOWN,
2122     EL_SP_PORT_LEFT,
2123     EL_SP_PORT_UP,
2124     EL_SP_GRAVITY_PORT_RIGHT,
2125     EL_SP_GRAVITY_PORT_DOWN,
2126     EL_SP_GRAVITY_PORT_LEFT,
2127     EL_SP_GRAVITY_PORT_UP,
2128     EL_SP_PORT_HORIZONTAL,
2129     EL_SP_PORT_VERTICAL,
2130     EL_SP_PORT_ANY,
2131     EL_SP_DISK_RED,
2132     EL_SP_DISK_YELLOW,
2133     EL_SP_CHIP_SINGLE,
2134     EL_SP_CHIP_LEFT,
2135     EL_SP_CHIP_RIGHT,
2136     EL_SP_CHIP_TOP,
2137     EL_SP_CHIP_BOTTOM,
2138     EL_SP_HARDWARE_GRAY,
2139     EL_SP_HARDWARE_GREEN,
2140     EL_SP_HARDWARE_BLUE,
2141     EL_SP_HARDWARE_RED,
2142     EL_SP_HARDWARE_YELLOW,
2143     EL_SP_HARDWARE_BASE_1,
2144     EL_SP_HARDWARE_BASE_2,
2145     EL_SP_HARDWARE_BASE_3,
2146     EL_SP_HARDWARE_BASE_4,
2147     EL_SP_HARDWARE_BASE_5,
2148     EL_SP_HARDWARE_BASE_6,
2149     EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2150     EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2151     EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2152     EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2153     EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2154     EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2155     EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2156     EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2157     EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2158     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2159     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2160     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2161     EL_SIGN_EXCLAMATION,
2162     EL_SIGN_RADIOACTIVITY,
2163     EL_SIGN_STOP,
2164     EL_SIGN_WHEELCHAIR,
2165     EL_SIGN_PARKING,
2166     EL_SIGN_ONEWAY,
2167     EL_SIGN_HEART,
2168     EL_SIGN_TRIANGLE,
2169     EL_SIGN_ROUND,
2170     EL_SIGN_EXIT,
2171     EL_SIGN_YINYANG,
2172     EL_SIGN_OTHER,
2173     EL_STEELWALL_SLANTED,
2174     EL_EMC_STEELWALL_1,
2175     EL_EMC_STEELWALL_2,
2176     EL_EMC_STEELWALL_3,
2177     EL_EMC_STEELWALL_4,
2178     EL_EMC_WALL_1,
2179     EL_EMC_WALL_2,
2180     EL_EMC_WALL_3,
2181     EL_EMC_WALL_4,
2182     EL_EMC_WALL_5,
2183     EL_EMC_WALL_6,
2184     EL_EMC_WALL_7,
2185     EL_EMC_WALL_8,
2186     -1
2187   };
2188
2189   static struct
2190   {
2191     int *elements;
2192     int property;
2193   } element_properties[] =
2194   {
2195     { ep_diggable,              EP_DIGGABLE             },
2196     { ep_collectible,           EP_COLLECTIBLE          },
2197     { ep_indestructible,        EP_INDESTRUCTIBLE       },
2198     { ep_slippery,              EP_SLIPPERY             },
2199     { ep_can_fall,              EP_CAN_FALL             },
2200     { ep_can_smash,             EP_CAN_SMASH            },
2201     { ep_walkable_over,         EP_WALKABLE_OVER        },
2202     { ep_walkable_inside,       EP_WALKABLE_INSIDE      },
2203     { ep_walkable_under,        EP_WALKABLE_UNDER       },
2204     { ep_passable_over,         EP_PASSABLE_OVER        },
2205     { ep_passable_inside,       EP_PASSABLE_INSIDE      },
2206     { ep_passable_under,        EP_PASSABLE_UNDER       },
2207     { ep_pushable,              EP_PUSHABLE             },
2208
2209     { ep_player,                EP_PLAYER               },
2210     { ep_can_be_crumbled,       EP_CAN_BE_CRUMBLED      },
2211     { ep_can_move,              EP_CAN_MOVE             },
2212     { ep_can_pass_magic_wall,   EP_CAN_PASS_MAGIC_WALL  },
2213     { ep_dont_touch,            EP_DONT_TOUCH           },
2214     { ep_enemy,                 EP_ENEMY                },
2215     { ep_dont_go_to,            EP_DONT_GO_TO           },
2216     { ep_can_explode,           EP_CAN_EXPLODE          },
2217     { ep_bd_element,            EP_BD_ELEMENT           },
2218     { ep_sp_element,            EP_SP_ELEMENT           },
2219     { ep_sb_element,            EP_SB_ELEMENT           },
2220     { ep_gem,                   EP_GEM                  },
2221     { ep_food_dark_yamyam,      EP_FOOD_DARK_YAMYAM     },
2222     { ep_food_penguin,          EP_FOOD_PENGUIN         },
2223     { ep_food_pig,              EP_FOOD_PIG             },
2224     { ep_historic_wall,         EP_HISTORIC_WALL        },
2225     { ep_historic_solid,        EP_HISTORIC_SOLID       },
2226     { ep_belt,                  EP_BELT                 },
2227     { ep_belt_active,           EP_BELT_ACTIVE          },
2228     { ep_belt_switch,           EP_BELT_SWITCH          },
2229     { ep_tube,                  EP_TUBE                 },
2230     { ep_keygate,               EP_KEYGATE              },
2231     { ep_amoeboid,              EP_AMOEBOID             },
2232     { ep_amoebalive,            EP_AMOEBALIVE           },
2233     { ep_has_content,           EP_HAS_CONTENT          },
2234     { ep_active_bomb,           EP_ACTIVE_BOMB          },
2235     { ep_inactive,              EP_INACTIVE             },
2236
2237     { NULL,                     -1                      }
2238   };
2239
2240   int i, j;
2241
2242   /* always start with reliable default values (element has no properties) */
2243   for (i=0; i < MAX_NUM_ELEMENTS; i++)
2244     for (j=0; j < NUM_ELEMENT_PROPERTIES; j++)
2245       SET_PROPERTY(i, j, FALSE);
2246
2247   /* set all base element properties from above array definitions */
2248   for (i=0; element_properties[i].elements != NULL; i++)
2249     for (j=0; (element_properties[i].elements)[j] != -1; j++)
2250       SET_PROPERTY((element_properties[i].elements)[j],
2251                    element_properties[i].property, TRUE);
2252 }
2253
2254 void InitElementPropertiesEngine(int engine_version)
2255 {
2256 #if 0
2257   static int active_properties[] =
2258   {
2259     EP_AMOEBALIVE,
2260     EP_AMOEBOID,
2261     EP_PFORTE,
2262     EP_ENEMY,
2263     EP_MAUER,
2264     EP_CAN_FALL,
2265     EP_CAN_SMASH,
2266     EP_CAN_PASS_MAGIC_WALL,
2267     EP_CAN_MOVE,
2268     EP_DONT_TOUCH,
2269     EP_DONT_GO_TO,
2270     EP_GEM,
2271     EP_CAN_EXPLODE,
2272     EP_PUSHABLE,
2273     EP_PLAYER,
2274     EP_HAS_CONTENT,
2275     EP_DIGGABLE,
2276     EP_PASSABLE_INSIDE,
2277     EP_OVER_PLAYER,
2278     EP_ACTIVE_BOMB,
2279
2280     EP_BELT,
2281     EP_BELT_ACTIVE,
2282     EP_BELT_SWITCH,
2283     EP_WALKABLE_UNDER,
2284     EP_EM_SLIPPERY_WALL,
2285     EP_CAN_BE_CRUMBLED,
2286   };
2287 #endif
2288
2289   static int no_wall_properties[] =
2290   {
2291     EP_AMOEBALIVE,
2292     EP_AMOEBOID,
2293     EP_CAN_BE_CRUMBLED,
2294     EP_ENEMY,
2295     EP_CAN_FALL,
2296     EP_CAN_SMASH,
2297     EP_CAN_MOVE,
2298     EP_DONT_GO_TO,
2299     EP_FOOD_DARK_YAMYAM,
2300     EP_GEM,
2301     EP_FOOD_PENGUIN,
2302     EP_PUSHABLE,
2303     EP_PLAYER,
2304     EP_ACCESSIBLE,
2305     EP_DIGGABLE,
2306     EP_COLLECTIBLE,
2307     EP_ACTIVE_BOMB,
2308     EP_BELT,
2309     EP_BELT_ACTIVE,
2310     EP_TUBE,
2311     -1
2312   };
2313
2314   int i, j;
2315
2316 #if 0
2317   InitElementPropertiesStatic();
2318 #endif
2319
2320   /* set all special, combined or engine dependant element properties */
2321   for (i=0; i < MAX_NUM_ELEMENTS; i++)
2322   {
2323 #if 0
2324     for (j=EP_ACCESSIBLE_OVER; j < NUM_ELEMENT_PROPERTIES; j++)
2325       SET_PROPERTY(i, j, FALSE);
2326 #endif
2327
2328     /* ---------- INACTIVE ------------------------------------------------- */
2329     if (i >= EL_CHAR_START && i <= EL_CHAR_END)
2330       SET_PROPERTY(i, EP_INACTIVE, TRUE);
2331
2332     /* ---------- WALKABLE, PASSABLE, ACCESSIBLE --------------------------- */
2333     SET_PROPERTY(i, EP_WALKABLE, (IS_WALKABLE_OVER(i) ||
2334                                   IS_WALKABLE_INSIDE(i) ||
2335                                   IS_WALKABLE_UNDER(i)));
2336
2337     SET_PROPERTY(i, EP_PASSABLE, (IS_PASSABLE_OVER(i) ||
2338                                   IS_PASSABLE_INSIDE(i) ||
2339                                   IS_PASSABLE_UNDER(i)));
2340
2341     SET_PROPERTY(i, EP_ACCESSIBLE_OVER, (IS_WALKABLE_OVER(i) ||
2342                                          IS_PASSABLE_OVER(i)));
2343
2344     SET_PROPERTY(i, EP_ACCESSIBLE_INSIDE, (IS_WALKABLE_INSIDE(i) ||
2345                                            IS_PASSABLE_INSIDE(i)));
2346
2347     SET_PROPERTY(i, EP_ACCESSIBLE_UNDER, (IS_WALKABLE_UNDER(i) ||
2348                                           IS_PASSABLE_UNDER(i)));
2349
2350     SET_PROPERTY(i, EP_ACCESSIBLE, (IS_WALKABLE(i) ||
2351                                     IS_PASSABLE(i)));
2352
2353     /* ---------- WALL ----------------------------------------------------- */
2354     SET_PROPERTY(i, EP_WALL, TRUE);     /* default: element is wall */
2355
2356     for (j=0; no_wall_properties[j] != -1; j++)
2357       if (HAS_PROPERTY(i, no_wall_properties[j]) ||
2358           i >= EL_FIRST_RUNTIME_UNREAL)
2359         SET_PROPERTY(i, EP_WALL, FALSE);
2360
2361     if (IS_HISTORIC_WALL(i))
2362       SET_PROPERTY(i, EP_WALL, TRUE);
2363
2364     /* ---------- SOLID_FOR_PUSHING ---------------------------------------- */
2365     if (engine_version < VERSION_IDENT(2,2,0))
2366       SET_PROPERTY(i, EP_SOLID_FOR_PUSHING, IS_HISTORIC_SOLID(i));
2367     else
2368       SET_PROPERTY(i, EP_SOLID_FOR_PUSHING, (!IS_WALKABLE(i) &&
2369                                              !IS_DIGGABLE(i) &&
2370                                              !IS_COLLECTIBLE(i)));
2371
2372     /* ---------- DRAGONFIRE_PROOF ----------------------------------------- */
2373
2374     if (IS_HISTORIC_SOLID(i) || i == EL_EXPLOSION)
2375       SET_PROPERTY(i, EP_DRAGONFIRE_PROOF, TRUE);
2376     else
2377       SET_PROPERTY(i, EP_DRAGONFIRE_PROOF, (IS_CUSTOM_ELEMENT(i) &&
2378                                             IS_INDESTRUCTIBLE(i)));
2379
2380     /* ---------- EXPLOSION_PROOF ------------------------------------------ */
2381     if (i == EL_FLAMES)
2382       SET_PROPERTY(i, EP_EXPLOSION_PROOF, TRUE);
2383     else if (engine_version < VERSION_IDENT(2,2,0))
2384       SET_PROPERTY(i, EP_EXPLOSION_PROOF, IS_INDESTRUCTIBLE(i));
2385     else
2386       SET_PROPERTY(i, EP_EXPLOSION_PROOF, (IS_INDESTRUCTIBLE(i) &&
2387                                            !IS_WALKABLE_OVER(i) &&
2388                                            !IS_WALKABLE_UNDER(i)));
2389   }
2390
2391 #if 0
2392   /* determine inactive elements (used for engine main loop optimization) */
2393   for (i=0; i < MAX_NUM_ELEMENTS; i++)
2394   {
2395     boolean active = FALSE;
2396
2397     for (j=0; i < NUM_ELEMENT_PROPERTIES; j++)
2398     {
2399       if (HAS_PROPERTY(i, j))
2400         active = TRUE;
2401     }
2402
2403 #if 0
2404     if (!active)
2405       SET_PROPERTY(i, EP_INACTIVE, TRUE);
2406 #endif
2407   }
2408 #endif
2409
2410   /* dynamically adjust element properties according to game engine version */
2411   {
2412     static int ep_em_slippery_wall[] =
2413     {
2414       EL_STEELWALL,
2415       EL_WALL,
2416       EL_EXPANDABLE_WALL,
2417       EL_EXPANDABLE_WALL_HORIZONTAL,
2418       EL_EXPANDABLE_WALL_VERTICAL,
2419       EL_EXPANDABLE_WALL_ANY,
2420       -1
2421     };
2422
2423     /* special EM style gems behaviour */
2424     for (i=0; ep_em_slippery_wall[i] != -1; i++)
2425       SET_PROPERTY(ep_em_slippery_wall[i], EP_EM_SLIPPERY_WALL,
2426                    level.em_slippery_gems);
2427
2428     /* "EL_EXPANDABLE_WALL_GROWING" wasn't slippery for EM gems in 2.0.1 */
2429     SET_PROPERTY(EL_EXPANDABLE_WALL_GROWING, EP_EM_SLIPPERY_WALL,
2430                  (level.em_slippery_gems &&
2431                   engine_version > VERSION_IDENT(2,0,1)));
2432   }
2433 }
2434
2435 static void InitGlobal()
2436 {
2437   global.autoplay_leveldir = NULL;
2438
2439   global.frames_per_second = 0;
2440   global.fps_slowdown = FALSE;
2441   global.fps_slowdown_factor = 1;
2442 }
2443
2444 void Execute_Command(char *command)
2445 {
2446   if (strcmp(command, "print graphicsinfo.conf") == 0)
2447   {
2448     int i;
2449
2450     printf("# You can configure additional/alternative image files here.\n");
2451     printf("# (The images below are default and therefore commented out.)\n");
2452     printf("\n");
2453     printf("%s\n", getFormattedSetupEntry("name", "Classic Graphics"));
2454     printf("\n");
2455     printf("%s\n", getFormattedSetupEntry("sort_priority", "100"));
2456     printf("\n");
2457
2458     for (i=0; image_config[i].token != NULL; i++)
2459       printf("# %s\n",
2460              getFormattedSetupEntry(image_config[i].token,
2461                                     image_config[i].value));
2462
2463     exit(0);
2464   }
2465   else if (strcmp(command, "print soundsinfo.conf") == 0)
2466   {
2467     int i;
2468
2469     printf("# You can configure additional/alternative sound files here.\n");
2470     printf("# (The sounds below are default and therefore commented out.)\n");
2471     printf("\n");
2472     printf("%s\n", getFormattedSetupEntry("name", "Classic Sounds"));
2473     printf("\n");
2474     printf("%s\n", getFormattedSetupEntry("sort_priority", "100"));
2475     printf("\n");
2476
2477     for (i=0; sound_config[i].token != NULL; i++)
2478       printf("# %s\n",
2479              getFormattedSetupEntry(sound_config[i].token,
2480                                     sound_config[i].value));
2481
2482     exit(0);
2483   }
2484   else if (strcmp(command, "print musicinfo.conf") == 0)
2485   {
2486     printf("# (Currently only \"name\" and \"sort_priority\" recognized.)\n");
2487     printf("\n");
2488     printf("%s\n", getFormattedSetupEntry("name", "Classic Music"));
2489     printf("\n");
2490     printf("%s\n", getFormattedSetupEntry("sort_priority", "100"));
2491
2492     exit(0);
2493   }
2494   else if (strncmp(command, "dump level ", 11) == 0)
2495   {
2496     char *filename = &command[11];
2497
2498     if (access(filename, F_OK) != 0)
2499       Error(ERR_EXIT, "cannot open file '%s'", filename);
2500
2501     LoadLevelFromFilename(filename);
2502     DumpLevel(&level);
2503
2504     exit(0);
2505   }
2506   else if (strncmp(command, "dump tape ", 10) == 0)
2507   {
2508     char *filename = &command[10];
2509
2510     if (access(filename, F_OK) != 0)
2511       Error(ERR_EXIT, "cannot open file '%s'", filename);
2512
2513     LoadTapeFromFilename(filename);
2514     DumpTape(&tape);
2515
2516     exit(0);
2517   }
2518   else if (strncmp(command, "autoplay ", 9) == 0)
2519   {
2520     char *str_copy = getStringCopy(&command[9]);
2521     char *str_ptr = strchr(str_copy, ' ');
2522
2523     global.autoplay_leveldir = str_copy;
2524     global.autoplay_level_nr = -1;
2525
2526     if (str_ptr != NULL)
2527     {
2528       *str_ptr++ = '\0';                        /* terminate leveldir string */
2529       global.autoplay_level_nr = atoi(str_ptr); /* get level_nr value */
2530     }
2531   }
2532   else
2533   {
2534     Error(ERR_EXIT_HELP, "unrecognized command '%s'", command);
2535   }
2536 }
2537
2538 static void InitSetup()
2539 {
2540   LoadSetup();                                  /* global setup info */
2541
2542   /* set some options from setup file */
2543
2544   if (setup.options.verbose)
2545     options.verbose = TRUE;
2546 }
2547
2548 static void InitPlayerInfo()
2549 {
2550   int i;
2551
2552   /* choose default local player */
2553   local_player = &stored_player[0];
2554
2555   for (i=0; i<MAX_PLAYERS; i++)
2556     stored_player[i].connected = FALSE;
2557
2558   local_player->connected = TRUE;
2559 }
2560
2561 static void InitArtworkInfo()
2562 {
2563   LoadArtworkInfo();
2564 }
2565
2566 static char *get_element_class_token(int element)
2567 {
2568   char *element_class_name = element_info[element].class_name;
2569   char *element_class_token = checked_malloc(strlen(element_class_name) + 3);
2570
2571   sprintf(element_class_token, "[%s]", element_class_name);
2572
2573   return element_class_token;
2574 }
2575
2576 static void InitArtworkConfig()
2577 {
2578   static char *image_id_prefix[MAX_NUM_ELEMENTS + NUM_FONTS + 1];
2579   static char *sound_id_prefix[MAX_NUM_ELEMENTS + MAX_NUM_ELEMENTS + 1];
2580   static char *action_id_suffix[NUM_ACTIONS + 1];
2581   static char *direction_id_suffix[NUM_DIRECTIONS + 1];
2582   static char *special_id_suffix[NUM_SPECIAL_GFX_ARGS + 1];
2583   static char *dummy[1] = { NULL };
2584   static char *ignore_generic_tokens[] =
2585   {
2586     "name",
2587     "sort_priority",
2588     NULL
2589   };
2590   static char **ignore_image_tokens, **ignore_sound_tokens;
2591   int num_ignore_generic_tokens;
2592   int num_ignore_image_tokens, num_ignore_sound_tokens;
2593   int i;
2594
2595   /* dynamically determine list of generic tokens to be ignored */
2596   num_ignore_generic_tokens = 0;
2597   for (i=0; ignore_generic_tokens[i] != NULL; i++)
2598     num_ignore_generic_tokens++;
2599
2600   /* dynamically determine list of image tokens to be ignored */
2601   num_ignore_image_tokens = num_ignore_generic_tokens;
2602   for (i=0; image_config_vars[i].token != NULL; i++)
2603     num_ignore_image_tokens++;
2604   ignore_image_tokens =
2605     checked_malloc((num_ignore_image_tokens + 1) * sizeof(char *));
2606   for (i=0; i < num_ignore_generic_tokens; i++)
2607     ignore_image_tokens[i] = ignore_generic_tokens[i];
2608   for (i=0; i < num_ignore_image_tokens - num_ignore_generic_tokens; i++)
2609     ignore_image_tokens[num_ignore_generic_tokens + i] =
2610       image_config_vars[i].token;
2611   ignore_image_tokens[num_ignore_image_tokens] = NULL;
2612
2613   /* dynamically determine list of sound tokens to be ignored */
2614   num_ignore_sound_tokens = num_ignore_generic_tokens;
2615   ignore_sound_tokens =
2616     checked_malloc((num_ignore_sound_tokens + 1) * sizeof(char *));
2617   for (i=0; i < num_ignore_generic_tokens; i++)
2618     ignore_sound_tokens[i] = ignore_generic_tokens[i];
2619   ignore_sound_tokens[num_ignore_sound_tokens] = NULL;
2620
2621   for (i=0; i<MAX_NUM_ELEMENTS; i++)
2622     image_id_prefix[i] = element_info[i].token_name;
2623   for (i=0; i<NUM_FONTS; i++)
2624     image_id_prefix[MAX_NUM_ELEMENTS + i] = font_info[i].token_name;
2625   image_id_prefix[MAX_NUM_ELEMENTS + NUM_FONTS] = NULL;
2626
2627   for (i=0; i<MAX_NUM_ELEMENTS; i++)
2628     sound_id_prefix[i] = element_info[i].token_name;
2629   for (i=0; i<MAX_NUM_ELEMENTS; i++)
2630     sound_id_prefix[MAX_NUM_ELEMENTS + i] = get_element_class_token(i);
2631   sound_id_prefix[MAX_NUM_ELEMENTS + MAX_NUM_ELEMENTS] = NULL;
2632
2633   for (i=0; i<NUM_ACTIONS; i++)
2634     action_id_suffix[i] = element_action_info[i].suffix;
2635   action_id_suffix[NUM_ACTIONS] = NULL;
2636
2637   for (i=0; i<NUM_DIRECTIONS; i++)
2638     direction_id_suffix[i] = element_direction_info[i].suffix;
2639   direction_id_suffix[NUM_DIRECTIONS] = NULL;
2640
2641   for (i=0; i<NUM_SPECIAL_GFX_ARGS; i++)
2642     special_id_suffix[i] = special_suffix_info[i].suffix;
2643   special_id_suffix[NUM_SPECIAL_GFX_ARGS] = NULL;
2644
2645   InitImageList(image_config, NUM_IMAGE_FILES, image_config_suffix,
2646                 image_id_prefix, action_id_suffix, direction_id_suffix,
2647                 special_id_suffix, ignore_image_tokens);
2648   InitSoundList(sound_config, NUM_SOUND_FILES, sound_config_suffix,
2649                 sound_id_prefix, action_id_suffix, dummy,
2650                 special_id_suffix, ignore_sound_tokens);
2651 }
2652
2653 static void InitMixer()
2654 {
2655   OpenAudio();
2656   StartMixer();
2657 }
2658
2659 void InitGfx()
2660 {
2661   char *filename_font_initial = NULL;
2662   Bitmap *bitmap_font_initial = NULL;
2663   int i, j;
2664
2665   /* determine settings for initial font (for displaying startup messages) */
2666   for (i=0; image_config[i].token != NULL; i++)
2667   {
2668     for (j=0; j < NUM_INITIAL_FONTS; j++)
2669     {
2670       char font_token[128];
2671       int len_font_token;
2672
2673       sprintf(font_token, "%s_%d", CONFIG_TOKEN_FONT_INITIAL, j + 1);
2674       len_font_token = strlen(font_token);
2675
2676       if (strcmp(image_config[i].token, font_token) == 0)
2677         filename_font_initial = image_config[i].value;
2678       else if (strlen(image_config[i].token) > len_font_token &&
2679                strncmp(image_config[i].token, font_token, len_font_token) == 0)
2680       {
2681         if (strcmp(&image_config[i].token[len_font_token], ".x") == 0)
2682           font_initial[j].src_x = atoi(image_config[i].value);
2683         else if (strcmp(&image_config[i].token[len_font_token], ".y") == 0)
2684           font_initial[j].src_y = atoi(image_config[i].value);
2685         else if (strcmp(&image_config[i].token[len_font_token], ".width") == 0)
2686           font_initial[j].width = atoi(image_config[i].value);
2687         else if (strcmp(&image_config[i].token[len_font_token],".height") == 0)
2688           font_initial[j].height = atoi(image_config[i].value);
2689       }
2690     }
2691   }
2692
2693   for (j=0; j < NUM_INITIAL_FONTS; j++)
2694   {
2695     font_initial[j].num_chars = DEFAULT_NUM_CHARS_PER_FONT;
2696     font_initial[j].num_chars_per_line = DEFAULT_NUM_CHARS_PER_LINE;
2697   }
2698
2699   if (filename_font_initial == NULL)    /* should not happen */
2700     Error(ERR_EXIT, "cannot get filename for '%s'", CONFIG_TOKEN_FONT_INITIAL);
2701
2702   /* create additional image buffers for double-buffering */
2703   bitmap_db_field = CreateBitmap(FXSIZE, FYSIZE, DEFAULT_DEPTH);
2704   bitmap_db_door  = CreateBitmap(3 * DXSIZE, DYSIZE + VYSIZE, DEFAULT_DEPTH);
2705
2706   /* initialize screen properties */
2707   InitGfxFieldInfo(SX, SY, SXSIZE, SYSIZE,
2708                    REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE,
2709                    bitmap_db_field);
2710   InitGfxDoor1Info(DX, DY, DXSIZE, DYSIZE);
2711   InitGfxDoor2Info(VX, VY, VXSIZE, VYSIZE);
2712   InitGfxScrollbufferInfo(FXSIZE, FYSIZE);
2713
2714   bitmap_font_initial = LoadCustomImage(filename_font_initial);
2715
2716   for (j=0; j < NUM_INITIAL_FONTS; j++)
2717     font_initial[j].bitmap = bitmap_font_initial;
2718
2719   InitFontGraphicInfo();
2720
2721   DrawInitText(WINDOW_TITLE_STRING, 20, FC_YELLOW);
2722   DrawInitText(WINDOW_SUBTITLE_STRING, 50, FC_RED);
2723
2724   DrawInitText("Loading graphics:", 120, FC_GREEN);
2725
2726   InitTileClipmasks();
2727 }
2728
2729 void InitGfxBackground()
2730 {
2731   int x, y;
2732
2733   drawto = backbuffer;
2734   fieldbuffer = bitmap_db_field;
2735   SetDrawtoField(DRAW_BACKBUFFER);
2736
2737   BlitBitmap(graphic_info[IMG_GLOBAL_BORDER].bitmap, backbuffer,
2738              0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
2739   ClearRectangle(backbuffer, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
2740   ClearRectangle(bitmap_db_door, 0, 0, 3 * DXSIZE, DYSIZE + VYSIZE);
2741
2742   for (x=0; x<MAX_BUF_XSIZE; x++)
2743     for (y=0; y<MAX_BUF_YSIZE; y++)
2744       redraw[x][y] = 0;
2745   redraw_tiles = 0;
2746   redraw_mask = REDRAW_ALL;
2747 }
2748
2749 static void InitLevelInfo()
2750 {
2751   LoadLevelInfo();                              /* global level info */
2752   LoadLevelSetup_LastSeries();                  /* last played series info */
2753   LoadLevelSetup_SeriesInfo();                  /* last played level info */
2754 }
2755
2756 void InitLevelArtworkInfo()
2757 {
2758   LoadLevelArtworkInfo();
2759 }
2760
2761 static void InitImages()
2762 {
2763   ReloadCustomImages();
2764
2765   LoadCustomElementDescriptions();
2766   LoadSpecialMenuDesignSettings();
2767
2768   ReinitializeGraphics();
2769 }
2770
2771 static void InitSound()
2772 {
2773   InitReloadCustomSounds(artwork.snd_current->identifier);
2774   ReinitializeSounds();
2775 }
2776
2777 static void InitMusic()
2778 {
2779   InitReloadCustomMusic(artwork.mus_current->identifier);
2780   ReinitializeMusic();
2781 }
2782
2783 void InitNetworkServer()
2784 {
2785 #if defined(PLATFORM_UNIX)
2786   int nr_wanted;
2787 #endif
2788
2789   if (!options.network)
2790     return;
2791
2792 #if defined(PLATFORM_UNIX)
2793   nr_wanted = Request("Choose player", REQ_PLAYER | REQ_STAY_CLOSED);
2794
2795   if (!ConnectToServer(options.server_host, options.server_port))
2796     Error(ERR_EXIT, "cannot connect to network game server");
2797
2798   SendToServer_PlayerName(setup.player_name);
2799   SendToServer_ProtocolVersion();
2800
2801   if (nr_wanted)
2802     SendToServer_NrWanted(nr_wanted);
2803 #endif
2804 }
2805
2806 void ReloadCustomArtwork()
2807 {
2808   static char *leveldir_current_identifier = NULL;
2809   static boolean last_override_level_graphics = FALSE;
2810   static boolean last_override_level_sounds = FALSE;
2811   static boolean last_override_level_music = FALSE;
2812   /* identifier for new artwork; default: artwork configured in setup */
2813   char *gfx_new_identifier = artwork.gfx_current->identifier;
2814   char *snd_new_identifier = artwork.snd_current->identifier;
2815   char *mus_new_identifier = artwork.mus_current->identifier;
2816   boolean redraw_screen = FALSE;
2817
2818   if (leveldir_current_identifier == NULL)
2819     leveldir_current_identifier = leveldir_current->identifier;
2820
2821 #if 0
2822   printf("CURRENT GFX: '%s' ['%s']\n", artwork.gfx_current->identifier,
2823          leveldir_current->graphics_set);
2824   printf("CURRENT LEV: '%s' / '%s'\n", leveldir_current_identifier,
2825          leveldir_current->identifier);
2826 #endif
2827
2828 #if 0
2829   printf("graphics --> '%s' ('%s')\n",
2830          artwork.gfx_current_identifier, artwork.gfx_current->filename);
2831   printf("sounds   --> '%s' ('%s')\n",
2832          artwork.snd_current_identifier, artwork.snd_current->filename);
2833   printf("music    --> '%s' ('%s')\n",
2834          artwork.mus_current_identifier, artwork.mus_current->filename);
2835 #endif
2836
2837   /* leveldir_current may be invalid (level group, parent link) */
2838   if (!validLevelSeries(leveldir_current))
2839     return;
2840
2841   /* when a new level series was selected, check if there was a change
2842      in custom artwork stored in level series directory */
2843   if (leveldir_current_identifier != leveldir_current->identifier)
2844   {
2845     char *identifier_old = leveldir_current_identifier;
2846     char *identifier_new = leveldir_current->identifier;
2847
2848     if (getTreeInfoFromIdentifier(artwork.gfx_first, identifier_old) !=
2849         getTreeInfoFromIdentifier(artwork.gfx_first, identifier_new))
2850       gfx_new_identifier = identifier_new;
2851     if (getTreeInfoFromIdentifier(artwork.snd_first, identifier_old) !=
2852         getTreeInfoFromIdentifier(artwork.snd_first, identifier_new))
2853       snd_new_identifier = identifier_new;
2854     if (getTreeInfoFromIdentifier(artwork.mus_first, identifier_new) !=
2855         getTreeInfoFromIdentifier(artwork.mus_first, identifier_new))
2856       mus_new_identifier = identifier_new;
2857
2858     leveldir_current_identifier = leveldir_current->identifier;
2859   }
2860
2861   /* custom level artwork configured in level series configuration file
2862      always overrides custom level artwork stored in level series directory
2863      and (level independant) custom artwork configured in setup menue */
2864   if (leveldir_current->graphics_set != NULL)
2865     gfx_new_identifier = leveldir_current->graphics_set;
2866   if (leveldir_current->sounds_set != NULL)
2867     snd_new_identifier = leveldir_current->sounds_set;
2868   if (leveldir_current->music_set != NULL)
2869     mus_new_identifier = leveldir_current->music_set;
2870
2871   if (strcmp(artwork.gfx_current_identifier, gfx_new_identifier) != 0 ||
2872       last_override_level_graphics != setup.override_level_graphics)
2873   {
2874 #if 0
2875     printf("RELOADING GRAPHICS '%s' -> '%s' ('%s')\n",
2876            artwork.gfx_current_identifier,
2877            artwork.gfx_current->identifier,
2878            gfx_new_identifier);
2879 #endif
2880
2881     setLevelArtworkDir(artwork.gfx_first);
2882
2883     ClearRectangle(window, 0, 0, WIN_XSIZE, WIN_YSIZE);
2884
2885     InitImages();
2886
2887     FreeTileClipmasks();
2888     InitTileClipmasks();
2889
2890     artwork.gfx_current_identifier = artwork.gfx_current->identifier;
2891     last_override_level_graphics = setup.override_level_graphics;
2892
2893     redraw_screen = TRUE;
2894   }
2895
2896   if (strcmp(artwork.snd_current_identifier, snd_new_identifier) != 0 ||
2897       last_override_level_sounds != setup.override_level_sounds)
2898   {
2899 #if 0
2900     printf("RELOADING SOUNDS '%s' -> '%s' ('%s')\n",
2901            artwork.snd_current_identifier,
2902            artwork.snd_current->identifier,
2903            snd_new_identifier);
2904 #endif
2905
2906     /* set artwork path to send it to the sound server process */
2907     setLevelArtworkDir(artwork.snd_first);
2908
2909     InitReloadCustomSounds(snd_new_identifier);
2910     ReinitializeSounds();
2911
2912     artwork.snd_current_identifier = artwork.snd_current->identifier;
2913     last_override_level_sounds = setup.override_level_sounds;
2914
2915     redraw_screen = TRUE;
2916   }
2917
2918   if (strcmp(artwork.mus_current_identifier, mus_new_identifier) != 0 ||
2919       last_override_level_music != setup.override_level_music)
2920   {
2921     /* set artwork path to send it to the sound server process */
2922     setLevelArtworkDir(artwork.mus_first);
2923
2924     InitReloadCustomMusic(mus_new_identifier);
2925     ReinitializeMusic();
2926
2927     artwork.mus_current_identifier = artwork.mus_current->identifier;
2928     last_override_level_music = setup.override_level_music;
2929
2930     redraw_screen = TRUE;
2931   }
2932
2933   if (redraw_screen)
2934   {
2935     InitGfxBackground();
2936
2937     /* force redraw of (open or closed) door graphics */
2938     SetDoorState(DOOR_OPEN_ALL);
2939     CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
2940   }
2941 }
2942
2943 void KeyboardAutoRepeatOffUnlessAutoplay()
2944 {
2945   if (global.autoplay_leveldir == NULL)
2946     KeyboardAutoRepeatOff();
2947 }
2948
2949
2950 /* ========================================================================= */
2951 /* OpenAll()                                                                 */
2952 /* ========================================================================= */
2953
2954 void OpenAll()
2955 {
2956   InitGlobal();         /* initialize some global variables */
2957
2958   if (options.execute_command)
2959     Execute_Command(options.execute_command);
2960
2961   if (options.serveronly)
2962   {
2963 #if defined(PLATFORM_UNIX)
2964     NetworkServer(options.server_port, options.serveronly);
2965 #else
2966     Error(ERR_WARN, "networking only supported in Unix version");
2967 #endif
2968     exit(0);    /* never reached */
2969   }
2970
2971   InitSetup();
2972
2973   InitPlayerInfo();
2974   InitArtworkInfo();            /* needed before loading gfx, sound & music */
2975   InitArtworkConfig();          /* needed before forking sound child process */
2976   InitMixer();
2977
2978   InitCounter();
2979
2980   InitRND(NEW_RANDOMIZE);
2981   InitSimpleRND(NEW_RANDOMIZE);
2982
2983   InitJoysticks();
2984
2985   InitVideoDisplay();
2986   InitVideoBuffer(&backbuffer, &window, WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH,
2987                   setup.fullscreen);
2988
2989   InitEventFilter(FilterMouseMotionEvents);
2990
2991   InitElementPropertiesStatic();
2992
2993   InitGfx();
2994
2995   InitLevelInfo();
2996   InitLevelArtworkInfo();
2997
2998   InitImages();                 /* needs to know current level directory */
2999   InitSound();                  /* needs to know current level directory */
3000   InitMusic();                  /* needs to know current level directory */
3001
3002   InitGfxBackground();
3003
3004   if (global.autoplay_leveldir)
3005   {
3006     AutoPlayTape();
3007     return;
3008   }
3009
3010   game_status = GAME_MODE_MAIN;
3011
3012   DrawMainMenu();
3013
3014   InitNetworkServer();
3015 }
3016
3017 void CloseAllAndExit(int exit_value)
3018 {
3019   StopSounds();
3020   FreeAllSounds();
3021   FreeAllMusic();
3022   CloseAudio();         /* called after freeing sounds (needed for SDL) */
3023
3024   FreeAllImages();
3025   FreeTileClipmasks();
3026
3027   CloseVideoDisplay();
3028   ClosePlatformDependantStuff();
3029
3030   exit(exit_value);
3031 }