985014bad0090e53a9d3630cc049b2795584c605
[rocksndiamonds.git] / src / main.h
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 * main.h                                                   *
12 ***********************************************************/
13
14 #ifndef MAIN_H
15 #define MAIN_H
16
17 #include <time.h>
18 #include <sys/time.h>
19 #include <sys/types.h>
20 #include <sys/stat.h>
21 #include <errno.h>
22 #include <unistd.h>
23 #include <fcntl.h>
24
25 #include "libgame/libgame.h"
26
27 #include "conf_gfx.h"   /* include auto-generated data structure definitions */
28 #include "conf_snd.h"   /* include auto-generated data structure definitions */
29
30 #define IMG_UNDEFINED           (-1)
31 #define IMG_EMPTY               IMG_EMPTY_SPACE
32 #define IMG_SP_EMPTY            IMG_SP_EMPTY_SPACE
33 #define IMG_EXPLOSION           IMG_DEFAULT_EXPLODING
34 #define IMG_CHAR_START          IMG_CHAR_SPACE
35 #define IMG_CUSTOM_START        IMG_CUSTOM_1
36
37 #define SND_UNDEFINED           (-1)
38
39 #define WIN_XSIZE               672
40 #define WIN_YSIZE               560
41
42 #define SCR_FIELDX              17
43 #define SCR_FIELDY              17
44 #define MAX_BUF_XSIZE           (SCR_FIELDX + 2)
45 #define MAX_BUF_YSIZE           (SCR_FIELDY + 2)
46 #define MIN_LEV_FIELDX          3
47 #define MIN_LEV_FIELDY          3
48 #define STD_LEV_FIELDX          64
49 #define STD_LEV_FIELDY          32
50 #define MAX_LEV_FIELDX          128
51 #define MAX_LEV_FIELDY          128
52
53 #define SCREENX(a)              ((a) - scroll_x)
54 #define SCREENY(a)              ((a) - scroll_y)
55 #define LEVELX(a)               ((a) + scroll_x)
56 #define LEVELY(a)               ((a) + scroll_y)
57 #define IN_VIS_FIELD(x,y) ((x)>=0 && (x)<SCR_FIELDX && (y)>=0 &&(y)<SCR_FIELDY)
58 #define IN_SCR_FIELD(x,y) ((x)>=BX1 && (x)<=BX2 && (y)>=BY1 &&(y)<=BY2)
59 #define IN_LEV_FIELD(x,y) ((x)>=0 && (x)<lev_fieldx && (y)>=0 &&(y)<lev_fieldy)
60
61 /* values for configurable properties (custom elem's only, else pre-defined) */
62 #define EP_DIGGABLE             0
63 #define EP_COLLECTIBLE_ONLY     1
64 #define EP_DONT_RUN_INTO        2
65 #define EP_DONT_COLLIDE_WITH    3
66 #define EP_DONT_TOUCH           4
67 #define EP_INDESTRUCTIBLE       5
68 #define EP_SLIPPERY             6
69 #define EP_CAN_CHANGE           7
70 #define EP_CAN_MOVE             8
71 #define EP_CAN_FALL             9
72 #define EP_CAN_SMASH_PLAYER     10
73 #define EP_CAN_SMASH_ENEMIES    11
74 #define EP_CAN_SMASH_EVERYTHING 12
75 #define EP_CAN_EXPLODE_BY_FIRE  13
76 #define EP_CAN_EXPLODE_SMASHED  14
77 #define EP_CAN_EXPLODE_IMPACT   15
78 #define EP_WALKABLE_OVER        16
79 #define EP_WALKABLE_INSIDE      17
80 #define EP_WALKABLE_UNDER       18
81 #define EP_PASSABLE_OVER        19
82 #define EP_PASSABLE_INSIDE      20
83 #define EP_PASSABLE_UNDER       21
84 #define EP_DROPPABLE            22
85 #define EP_CAN_EXPLODE_1X1      23
86 #define EP_PUSHABLE             24
87
88 /* values for pre-defined properties */
89 #define EP_PLAYER               32
90 #define EP_CAN_PASS_MAGIC_WALL  33
91 #define EP_SWITCHABLE           34
92 #define EP_BD_ELEMENT           35
93 #define EP_SP_ELEMENT           36
94 #define EP_SB_ELEMENT           37
95 #define EP_GEM                  38
96 #define EP_FOOD_DARK_YAMYAM     39
97 #define EP_FOOD_PENGUIN         40
98 #define EP_FOOD_PIG             41
99 #define EP_HISTORIC_WALL        42
100 #define EP_HISTORIC_SOLID       43
101 #define EP_CLASSIC_ENEMY        44
102 #define EP_BELT                 45
103 #define EP_BELT_ACTIVE          46
104 #define EP_BELT_SWITCH          47
105 #define EP_TUBE                 48
106 #define EP_KEYGATE              49
107 #define EP_AMOEBOID             50
108 #define EP_AMOEBALIVE           51
109 #define EP_HAS_CONTENT          52
110 #define EP_ACTIVE_BOMB          53
111 #define EP_INACTIVE             54
112
113 /* values for special configurable properties (depending on level settings) */
114 #define EP_EM_SLIPPERY_WALL     55
115
116 /* values for special graphics properties (no effect on game engine) */
117 #define EP_GFX_CRUMBLED         56
118
119 /* values for derived properties (determined from properties above) */
120 #define EP_ACCESSIBLE_OVER      57
121 #define EP_ACCESSIBLE_INSIDE    58
122 #define EP_ACCESSIBLE_UNDER     59
123 #define EP_WALKABLE             60
124 #define EP_PASSABLE             61
125 #define EP_ACCESSIBLE           62
126 #define EP_COLLECTIBLE          63
127 #define EP_SNAPPABLE            64
128 #define EP_WALL                 65
129 #define EP_SOLID_FOR_PUSHING    66
130 #define EP_DRAGONFIRE_PROOF     67
131 #define EP_EXPLOSION_PROOF      68
132 #define EP_CAN_SMASH            69
133 #define EP_CAN_EXPLODE          70
134 #define EP_CAN_EXPLODE_3X3      71
135
136 /* values for internal purpose only (level editor) */
137 #define EP_EXPLODE_RESULT       72
138 #define EP_WALK_TO_OBJECT       73
139 #define EP_DEADLY               74
140
141 #define NUM_ELEMENT_PROPERTIES  75
142
143 #define NUM_EP_BITFIELDS        ((NUM_ELEMENT_PROPERTIES + 31) / 32)
144 #define EP_BITFIELD_BASE        0
145
146 #define EP_BITMASK_DEFAULT      0
147
148 #define PROPERTY_BIT(p)         (1 << ((p) % 32))
149 #define PROPERTY_VAR(e,p)       (Properties[e][(p) / 32])
150 #define HAS_PROPERTY(e,p)       ((PROPERTY_VAR(e, p) & PROPERTY_BIT(p)) != 0)
151 #define SET_PROPERTY(e,p,v)     ((v) ?                                     \
152                                  (PROPERTY_VAR(e,p) |=  PROPERTY_BIT(p)) : \
153                                  (PROPERTY_VAR(e,p) &= ~PROPERTY_BIT(p)))
154
155
156 /* values for change events for custom elements (stored in level file) */
157 #define CE_DELAY                0
158 #define CE_TOUCHED_BY_PLAYER    1
159 #define CE_PRESSED_BY_PLAYER    2
160 #define CE_PUSHED_BY_PLAYER     3
161 #define CE_DROPPED_BY_PLAYER    4
162 #define CE_COLLISION            5
163 #define CE_IMPACT               6
164 #define CE_SMASHED              7
165 #define CE_OTHER_IS_TOUCHING    8
166 #define CE_OTHER_IS_CHANGING    9
167 #define CE_OTHER_IS_EXPLODING   10
168 #define CE_OTHER_GETS_TOUCHED   11
169 #define CE_OTHER_GETS_PRESSED   12
170 #define CE_OTHER_GETS_PUSHED    13
171 #define CE_OTHER_GETS_COLLECTED 14
172 #define CE_OTHER_GETS_DROPPED   15
173 #define CE_BY_PLAYER            16      /* obsolete; now CE_BY_DIRECT_ACTION */
174 #define CE_BY_COLLISION         17      /* obsolete; now CE_BY_DIRECT_ACTION */
175 #define CE_BY_OTHER_ACTION      18      /* activates other element events */
176 #define CE_BY_DIRECT_ACTION     19      /* activates direct element events */
177 #define CE_OTHER_GETS_DIGGED    20
178 #define CE_ENTERED_BY_PLAYER    21
179 #define CE_LEFT_BY_PLAYER       22
180 #define CE_OTHER_GETS_ENTERED   23
181 #define CE_OTHER_GETS_LEFT      24
182 #define CE_SWITCHED             25
183 #define CE_OTHER_IS_SWITCHING   26
184
185 #define NUM_CHANGE_EVENTS       27
186
187 #define CE_BITMASK_DEFAULT      0
188
189 #define CH_EVENT_BIT(c)         (1 << (c))
190 #define CH_EVENT_VAR(e)         (element_info[e].change->events)
191 #define CH_ANY_EVENT_VAR(e)     (element_info[e].change_events)
192
193 #define HAS_CHANGE_EVENT(e,c)   (IS_CUSTOM_ELEMENT(e) &&                  \
194                                  (CH_EVENT_VAR(e) & CH_EVENT_BIT(c)) != 0)
195 #define HAS_ANY_CHANGE_EVENT(e,c) (IS_CUSTOM_ELEMENT(e) &&                \
196                                  (CH_ANY_EVENT_VAR(e) & CH_EVENT_BIT(c)) != 0)
197 #define SET_CHANGE_EVENT(e,c,v) (IS_CUSTOM_ELEMENT(e) ?                   \
198                                  ((v) ?                                   \
199                                   (CH_EVENT_VAR(e) |=  CH_EVENT_BIT(c)) : \
200                                   (CH_EVENT_VAR(e) &= ~CH_EVENT_BIT(c))) : 0)
201
202 /* values for change sides for custom elements */
203 #define CH_SIDE_NONE            MV_NO_MOVING
204 #define CH_SIDE_LEFT            MV_LEFT
205 #define CH_SIDE_RIGHT           MV_RIGHT
206 #define CH_SIDE_TOP             MV_UP
207 #define CH_SIDE_BOTTOM          MV_DOWN
208 #define CH_SIDE_LEFT_RIGHT      MV_HORIZONTAL
209 #define CH_SIDE_TOP_BOTTOM      MV_VERTICAL
210 #define CH_SIDE_ANY             MV_ANY_DIRECTION
211
212 /* values for change power for custom elements */
213 #define CP_NON_DESTRUCTIVE      0
214 #define CP_HALF_DESTRUCTIVE     1
215 #define CP_FULL_DESTRUCTIVE     2
216
217 /* values for special move patterns (bits 0-3: basic move directions) */
218 #define MV_BIT_TOWARDS_PLAYER   4
219 #define MV_BIT_AWAY_FROM_PLAYER 5
220 #define MV_BIT_ALONG_LEFT_SIDE  6
221 #define MV_BIT_ALONG_RIGHT_SIDE 7
222 #define MV_BIT_TURNING_LEFT     8
223 #define MV_BIT_TURNING_RIGHT    9
224 #define MV_BIT_WHEN_PUSHED      10
225
226 /* values for special move patterns for custom elements */
227 #define MV_HORIZONTAL           (MV_LEFT | MV_RIGHT)
228 #define MV_VERTICAL             (MV_UP | MV_DOWN)
229 #define MV_ALL_DIRECTIONS       (MV_HORIZONTAL | MV_VERTICAL)
230 #define MV_ANY_DIRECTION        (MV_ALL_DIRECTIONS)
231 #define MV_TOWARDS_PLAYER       (1 << MV_BIT_TOWARDS_PLAYER)
232 #define MV_AWAY_FROM_PLAYER     (1 << MV_BIT_AWAY_FROM_PLAYER)
233 #define MV_ALONG_LEFT_SIDE      (1 << MV_BIT_ALONG_LEFT_SIDE)
234 #define MV_ALONG_RIGHT_SIDE     (1 << MV_BIT_ALONG_RIGHT_SIDE)
235 #define MV_TURNING_LEFT         (1 << MV_BIT_TURNING_LEFT)
236 #define MV_TURNING_RIGHT        (1 << MV_BIT_TURNING_RIGHT)
237 #define MV_WHEN_PUSHED          (1 << MV_BIT_WHEN_PUSHED)
238
239 /* values for slippery property for custom elements */
240 #define SLIPPERY_ANY_RANDOM     0
241 #define SLIPPERY_ANY_LEFT_RIGHT 1
242 #define SLIPPERY_ANY_RIGHT_LEFT 2
243 #define SLIPPERY_ONLY_LEFT      3
244 #define SLIPPERY_ONLY_RIGHT     4
245
246 /* macros for configurable properties */
247 #define IS_DIGGABLE(e)          HAS_PROPERTY(e, EP_DIGGABLE)
248 #define IS_COLLECTIBLE_ONLY(e)  HAS_PROPERTY(e, EP_COLLECTIBLE_ONLY)
249 #define DONT_RUN_INTO(e)        HAS_PROPERTY(e, EP_DONT_RUN_INTO)
250 #define DONT_COLLIDE_WITH(e)    HAS_PROPERTY(e, EP_DONT_COLLIDE_WITH)
251 #define DONT_TOUCH(e)           HAS_PROPERTY(e, EP_DONT_TOUCH)
252 #define IS_INDESTRUCTIBLE(e)    HAS_PROPERTY(e, EP_INDESTRUCTIBLE)
253 #define IS_SLIPPERY(e)          HAS_PROPERTY(e, EP_SLIPPERY)
254 #define CAN_CHANGE(e)           HAS_PROPERTY(e, EP_CAN_CHANGE)
255 #define CAN_MOVE(e)             HAS_PROPERTY(e, EP_CAN_MOVE)
256 #define CAN_FALL(e)             HAS_PROPERTY(e, EP_CAN_FALL)
257 #define CAN_SMASH_PLAYER(e)     HAS_PROPERTY(e, EP_CAN_SMASH_PLAYER)
258 #define CAN_SMASH_ENEMIES(e)    HAS_PROPERTY(e, EP_CAN_SMASH_ENEMIES)
259 #define CAN_SMASH_EVERYTHING(e) HAS_PROPERTY(e, EP_CAN_SMASH_EVERYTHING)
260 #define CAN_EXPLODE_BY_FIRE(e)  HAS_PROPERTY(e, EP_CAN_EXPLODE_BY_FIRE)
261 #define CAN_EXPLODE_SMASHED(e)  HAS_PROPERTY(e, EP_CAN_EXPLODE_SMASHED)
262 #define CAN_EXPLODE_IMPACT(e)   HAS_PROPERTY(e, EP_CAN_EXPLODE_IMPACT)
263 #define IS_WALKABLE_OVER(e)     HAS_PROPERTY(e, EP_WALKABLE_OVER)
264 #define IS_WALKABLE_INSIDE(e)   HAS_PROPERTY(e, EP_WALKABLE_INSIDE)
265 #define IS_WALKABLE_UNDER(e)    HAS_PROPERTY(e, EP_WALKABLE_UNDER)
266 #define IS_PASSABLE_OVER(e)     HAS_PROPERTY(e, EP_PASSABLE_OVER)
267 #define IS_PASSABLE_INSIDE(e)   HAS_PROPERTY(e, EP_PASSABLE_INSIDE)
268 #define IS_PASSABLE_UNDER(e)    HAS_PROPERTY(e, EP_PASSABLE_UNDER)
269 #define IS_DROPPABLE(e)         HAS_PROPERTY(e, EP_DROPPABLE)
270 #define CAN_EXPLODE_1X1(e)      HAS_PROPERTY(e, EP_CAN_EXPLODE_1X1)
271 #define IS_PUSHABLE(e)          HAS_PROPERTY(e, EP_PUSHABLE)
272
273 /* macros for special configurable properties */
274 #define IS_EM_SLIPPERY_WALL(e)  HAS_PROPERTY(e, EP_EM_SLIPPERY_WALL)
275
276 /* macros for special graphics properties */
277 #define GFX_CRUMBLED(e)         HAS_PROPERTY(GFX_ELEMENT(e), EP_GFX_CRUMBLED)
278
279 /* macros for pre-defined properties */
280 #define ELEM_IS_PLAYER(e)       HAS_PROPERTY(e, EP_PLAYER)
281 #define CAN_PASS_MAGIC_WALL(e)  HAS_PROPERTY(e, EP_CAN_PASS_MAGIC_WALL)
282 #define IS_SWITCHABLE(e)        HAS_PROPERTY(e, EP_SWITCHABLE)
283 #define IS_BD_ELEMENT(e)        HAS_PROPERTY(e, EP_BD_ELEMENT)
284 #define IS_SP_ELEMENT(e)        HAS_PROPERTY(e, EP_SP_ELEMENT)
285 #define IS_SB_ELEMENT(e)        HAS_PROPERTY(e, EP_SB_ELEMENT)
286 #define IS_GEM(e)               HAS_PROPERTY(e, EP_GEM)
287 #define IS_FOOD_DARK_YAMYAM(e)  HAS_PROPERTY(e, EP_FOOD_DARK_YAMYAM)
288 #define IS_FOOD_PENGUIN(e)      HAS_PROPERTY(e, EP_FOOD_PENGUIN)
289 #define IS_FOOD_PIG(e)          HAS_PROPERTY(e, EP_FOOD_PIG)
290 #define IS_HISTORIC_WALL(e)     HAS_PROPERTY(e, EP_HISTORIC_WALL)
291 #define IS_HISTORIC_SOLID(e)    HAS_PROPERTY(e, EP_HISTORIC_SOLID)
292 #define IS_CLASSIC_ENEMY(e)     HAS_PROPERTY(e, EP_CLASSIC_ENEMY)
293 #define IS_BELT(e)              HAS_PROPERTY(e, EP_BELT)
294 #define IS_BELT_ACTIVE(e)       HAS_PROPERTY(e, EP_BELT_ACTIVE)
295 #define IS_BELT_SWITCH(e)       HAS_PROPERTY(e, EP_BELT_SWITCH)
296 #define IS_TUBE(e)              HAS_PROPERTY(e, EP_TUBE)
297 #define IS_KEYGATE(e)           HAS_PROPERTY(e, EP_KEYGATE)
298 #define IS_AMOEBOID(e)          HAS_PROPERTY(e, EP_AMOEBOID)
299 #define IS_AMOEBALIVE(e)        HAS_PROPERTY(e, EP_AMOEBALIVE)
300 #define HAS_CONTENT(e)          HAS_PROPERTY(e, EP_HAS_CONTENT)
301 #define IS_ACTIVE_BOMB(e)       HAS_PROPERTY(e, EP_ACTIVE_BOMB)
302 #define IS_INACTIVE(e)          HAS_PROPERTY(e, EP_INACTIVE)
303
304 /* macros for derived properties */
305 #define IS_ACCESSIBLE_OVER(e)   HAS_PROPERTY(e, EP_ACCESSIBLE_OVER)
306 #define IS_ACCESSIBLE_INSIDE(e) HAS_PROPERTY(e, EP_ACCESSIBLE_INSIDE)
307 #define IS_ACCESSIBLE_UNDER(e)  HAS_PROPERTY(e, EP_ACCESSIBLE_UNDER)
308 #define IS_WALKABLE(e)          HAS_PROPERTY(e, EP_WALKABLE)
309 #define IS_PASSABLE(e)          HAS_PROPERTY(e, EP_PASSABLE)
310 #define IS_ACCESSIBLE(e)        HAS_PROPERTY(e, EP_ACCESSIBLE)
311 #define IS_COLLECTIBLE(e)       HAS_PROPERTY(e, EP_COLLECTIBLE)
312 #define IS_SNAPPABLE(e)         HAS_PROPERTY(e, EP_SNAPPABLE)
313 #define IS_WALL(e)              HAS_PROPERTY(e, EP_WALL)
314 #define IS_SOLID_FOR_PUSHING(e) HAS_PROPERTY(e, EP_SOLID_FOR_PUSHING)
315 #define IS_DRAGONFIRE_PROOF(e)  HAS_PROPERTY(e, EP_DRAGONFIRE_PROOF)
316 #define IS_EXPLOSION_PROOF(e)   HAS_PROPERTY(e, EP_EXPLOSION_PROOF)
317 #define CAN_SMASH(e)            HAS_PROPERTY(e, EP_CAN_SMASH)
318 #define CAN_EXPLODE(e)          HAS_PROPERTY(e, EP_CAN_EXPLODE)
319 #define CAN_EXPLODE_3X3(e)      HAS_PROPERTY(e, EP_CAN_EXPLODE_3X3)
320
321 /* special macros used in game engine */
322 #define IS_CUSTOM_ELEMENT(e)    ((e) >= EL_CUSTOM_START &&              \
323                                  (e) <= EL_CUSTOM_END)
324
325 #define IS_ENVELOPE(e)          ((e) >= EL_ENVELOPE_1 &&                \
326                                  (e) <= EL_ENVELOPE_4)
327
328 #define GFX_ELEMENT(e)          (element_info[e].use_gfx_element ?      \
329                                  element_info[e].gfx_element : e)
330
331 #define IS_PLAYER(x,y)          (ELEM_IS_PLAYER(StorePlayer[x][y]))
332
333 #define IS_FREE(x,y)            (Feld[x][y] == EL_EMPTY && !IS_PLAYER(x,y))
334 #define IS_FREE_OR_PLAYER(x,y)  (Feld[x][y] == EL_EMPTY)
335
336 #define IS_MOVING(x,y)          (MovPos[x][y] != 0)
337 #define IS_FALLING(x,y)         (MovPos[x][y] != 0 && MovDir[x][y] == MV_DOWN)
338 #define IS_BLOCKED(x,y)         (Feld[x][y] == EL_BLOCKED)
339
340 #define EL_CHANGED(e)           ((e) == EL_ROCK           ? EL_EMERALD :    \
341                                  (e) == EL_BD_ROCK        ? EL_BD_DIAMOND : \
342                                  (e) == EL_EMERALD        ? EL_DIAMOND :    \
343                                  (e) == EL_EMERALD_YELLOW ? EL_DIAMOND :    \
344                                  (e) == EL_EMERALD_RED    ? EL_DIAMOND :    \
345                                  (e) == EL_EMERALD_PURPLE ? EL_DIAMOND :    \
346                                  EL_ROCK)
347 #define EL_CHANGED2(e)          ((e) == EL_ROCK           ? EL_BD_DIAMOND : \
348                                  (e) == EL_BD_ROCK        ? EL_BD_DIAMOND : \
349                                  EL_BD_ROCK)
350 #define IS_DRAWABLE(e)          ((e) < EL_BLOCKED)
351 #define IS_NOT_DRAWABLE(e)      ((e) >= EL_BLOCKED)
352 #define TAPE_IS_EMPTY(x)        ((x).length == 0)
353 #define TAPE_IS_STOPPED(x)      (!(x).recording && !(x).playing)
354
355 #define PLAYERINFO(x,y)         (&stored_player[StorePlayer[x][y]-EL_PLAYER_1])
356 #define SHIELD_ON(p)            ((p)->shield_normal_time_left > 0)
357 #define PROTECTED_FIELD(x,y)    (IS_ACCESSIBLE_INSIDE(Feld[x][y]) &&    \
358                                  IS_INDESTRUCTIBLE(Feld[x][y]))
359 #define PLAYER_PROTECTED(x,y)   (SHIELD_ON(PLAYERINFO(x, y)) ||         \
360                                  PROTECTED_FIELD(x, y))
361
362 #define PLAYER_SWITCHING(p,x,y) ((p)->Switching &&                      \
363                                  (p)->switch_x == (x) && (p)->switch_y == (y))
364
365 #define PLAYER_NR_GFX(g,i)      ((g) + i * (IMG_PLAYER_2 - IMG_PLAYER_1))
366
367 #define ANIM_FRAMES(g)          (graphic_info[g].anim_frames)
368 #define ANIM_DELAY(g)           (graphic_info[g].anim_delay)
369 #define ANIM_MODE(g)            (graphic_info[g].anim_mode)
370
371 #define IS_ANIMATED(g)          (ANIM_FRAMES(g) > 1)
372 #define IS_NEW_DELAY(f, g)      ((f) % ANIM_DELAY(g) == 0)
373 #define IS_NEW_FRAME(f, g)      (IS_ANIMATED(g) && IS_NEW_DELAY(f, g))
374 #define IS_NEXT_FRAME(f, g)     (IS_NEW_FRAME(f, g) && (f) > 0)
375
376 #define IS_LOOP_SOUND(s)        (sound_info[s].loop)
377
378
379 /* fundamental game speed values */
380 #define GAME_FRAME_DELAY        20      /* frame delay in milliseconds */
381 #define FFWD_FRAME_DELAY        10      /* 200% speed for fast forward */
382 #define FRAMES_PER_SECOND       (1000 / GAME_FRAME_DELAY)
383 #define MICROLEVEL_SCROLL_DELAY 50      /* delay for scrolling micro level */
384 #define MICROLEVEL_LABEL_DELAY  250     /* delay for micro level label */
385
386 /* boundaries of arrays etc. */
387 #define MAX_LEVEL_NAME_LEN      32
388 #define MAX_LEVEL_AUTHOR_LEN    32
389 #define MAX_ELEMENT_NAME_LEN    32
390 #define MAX_TAPELEN             (1000 * FRAMES_PER_SECOND) /* max.time x fps */
391 #define MAX_SCORE_ENTRIES       100
392 #define MAX_NUM_AMOEBA          100
393 #define MAX_INVENTORY_SIZE      1000
394 #define MIN_ENVELOPE_XSIZE      1
395 #define MIN_ENVELOPE_YSIZE      1
396 #define MAX_ENVELOPE_XSIZE      30
397 #define MAX_ENVELOPE_YSIZE      20
398 #define MAX_ENVELOPE_TEXT_LEN   (MAX_ENVELOPE_XSIZE * MAX_ENVELOPE_YSIZE)
399 #define MIN_CHANGE_PAGES        1
400 #define MAX_CHANGE_PAGES        16
401
402 /* values for elements with content */
403 #define MIN_ELEMENT_CONTENTS    1
404 #define STD_ELEMENT_CONTENTS    4
405 #define MAX_ELEMENT_CONTENTS    8
406
407 #define LEVEL_SCORE_ELEMENTS    16      /* level elements with score */
408
409 /* often used screen positions */
410 #define SX                      8
411 #define SY                      8
412 #define REAL_SX                 (SX - 2)
413 #define REAL_SY                 (SY - 2)
414 #define DX                      566
415 #define DY                      60
416 #define VX                      DX
417 #define VY                      400
418 #define EX                      DX
419 #define EY                      (VY - 44)
420 #define TILEX                   32
421 #define TILEY                   32
422 #define MINI_TILEX              (TILEX / 2)
423 #define MINI_TILEY              (TILEY / 2)
424 #define MICRO_TILEX             (TILEX / 8)
425 #define MICRO_TILEY             (TILEY / 8)
426 #define MIDPOSX                 (SCR_FIELDX / 2)
427 #define MIDPOSY                 (SCR_FIELDY / 2)
428 #define SXSIZE                  (SCR_FIELDX * TILEX)
429 #define SYSIZE                  (SCR_FIELDY * TILEY)
430 #define FXSIZE                  ((SCR_FIELDX + 2) * TILEX)
431 #define FYSIZE                  ((SCR_FIELDY + 2) * TILEY)
432 #define DXSIZE                  100
433 #define DYSIZE                  280
434 #define VXSIZE                  DXSIZE
435 #define VYSIZE                  100
436 #define EXSIZE                  DXSIZE
437 #define EYSIZE                  (VYSIZE + 44)
438 #define FULL_SXSIZE             (2 + SXSIZE + 2)
439 #define FULL_SYSIZE             (2 + SYSIZE + 2)
440 #define MICROLEV_XSIZE          ((STD_LEV_FIELDX + 2) * MICRO_TILEX)
441 #define MICROLEV_YSIZE          ((STD_LEV_FIELDY + 2) * MICRO_TILEY)
442 #define MICROLEV_XPOS           (SX + (SXSIZE - MICROLEV_XSIZE) / 2)
443 #define MICROLEV_YPOS           (SX + 12 * TILEY - MICRO_TILEY)
444 #define MICROLABEL_YPOS         (MICROLEV_YPOS + MICROLEV_YSIZE + 7)
445
446
447 /* "real" level file elements */
448 #define EL_UNDEFINED                    -1
449
450 #define EL_EMPTY_SPACE                  0
451 #define EL_EMPTY                        EL_EMPTY_SPACE
452 #define EL_SAND                         1
453 #define EL_WALL                         2
454 #define EL_WALL_SLIPPERY                3
455 #define EL_ROCK                         4
456 #define EL_KEY_OBSOLETE                 5       /* obsolete; now EL_KEY_1 */
457 #define EL_EMERALD                      6
458 #define EL_EXIT_CLOSED                  7
459 #define EL_PLAYER_OBSOLETE              8       /* obsolete; now EL_PLAYER_1 */
460 #define EL_BUG                          9
461 #define EL_SPACESHIP                    10
462 #define EL_YAMYAM                       11
463 #define EL_ROBOT                        12
464 #define EL_STEELWALL                    13
465 #define EL_DIAMOND                      14
466 #define EL_AMOEBA_DEAD                  15
467 #define EL_QUICKSAND_EMPTY              16
468 #define EL_QUICKSAND_FULL               17
469 #define EL_AMOEBA_DROP                  18
470 #define EL_BOMB                         19
471 #define EL_MAGIC_WALL                   20
472 #define EL_SPEED_PILL                   21
473 #define EL_ACID                         22
474 #define EL_AMOEBA_WET                   23
475 #define EL_AMOEBA_DRY                   24
476 #define EL_NUT                          25
477 #define EL_GAME_OF_LIFE                 26
478 #define EL_BIOMAZE                      27
479 #define EL_DYNAMITE_ACTIVE              28
480 #define EL_STONEBLOCK                   29
481 #define EL_ROBOT_WHEEL                  30
482 #define EL_ROBOT_WHEEL_ACTIVE           31
483 #define EL_KEY_1                        32
484 #define EL_KEY_2                        33
485 #define EL_KEY_3                        34
486 #define EL_KEY_4                        35
487 #define EL_GATE_1                       36
488 #define EL_GATE_2                       37
489 #define EL_GATE_3                       38
490 #define EL_GATE_4                       39
491 #define EL_GATE_1_GRAY                  40
492 #define EL_GATE_2_GRAY                  41
493 #define EL_GATE_3_GRAY                  42
494 #define EL_GATE_4_GRAY                  43
495 #define EL_DYNAMITE                     44
496 #define EL_PACMAN                       45
497 #define EL_INVISIBLE_WALL               46
498 #define EL_LAMP                         47
499 #define EL_LAMP_ACTIVE                  48
500 #define EL_WALL_EMERALD                 49
501 #define EL_WALL_DIAMOND                 50
502 #define EL_AMOEBA_FULL                  51
503 #define EL_BD_AMOEBA                    52
504 #define EL_TIME_ORB_FULL                53
505 #define EL_TIME_ORB_EMPTY               54
506 #define EL_EXPANDABLE_WALL              55
507 #define EL_BD_DIAMOND                   56
508 #define EL_EMERALD_YELLOW               57
509 #define EL_WALL_BD_DIAMOND              58
510 #define EL_WALL_EMERALD_YELLOW          59
511 #define EL_DARK_YAMYAM                  60
512 #define EL_BD_MAGIC_WALL                61
513 #define EL_INVISIBLE_STEELWALL          62
514
515 #define EL_UNUSED_63                    63
516
517 #define EL_DYNABOMB_INCREASE_NUMBER     64
518 #define EL_DYNABOMB_INCREASE_SIZE       65
519 #define EL_DYNABOMB_INCREASE_POWER      66
520 #define EL_SOKOBAN_OBJECT               67
521 #define EL_SOKOBAN_FIELD_EMPTY          68
522 #define EL_SOKOBAN_FIELD_FULL           69
523 #define EL_BD_BUTTERFLY_RIGHT           70
524 #define EL_BD_BUTTERFLY_UP              71
525 #define EL_BD_BUTTERFLY_LEFT            72
526 #define EL_BD_BUTTERFLY_DOWN            73
527 #define EL_BD_FIREFLY_RIGHT             74
528 #define EL_BD_FIREFLY_UP                75
529 #define EL_BD_FIREFLY_LEFT              76
530 #define EL_BD_FIREFLY_DOWN              77
531 #define EL_BD_BUTTERFLY_1               EL_BD_BUTTERFLY_DOWN
532 #define EL_BD_BUTTERFLY_2               EL_BD_BUTTERFLY_LEFT
533 #define EL_BD_BUTTERFLY_3               EL_BD_BUTTERFLY_UP
534 #define EL_BD_BUTTERFLY_4               EL_BD_BUTTERFLY_RIGHT
535 #define EL_BD_FIREFLY_1                 EL_BD_FIREFLY_LEFT
536 #define EL_BD_FIREFLY_2                 EL_BD_FIREFLY_DOWN
537 #define EL_BD_FIREFLY_3                 EL_BD_FIREFLY_RIGHT
538 #define EL_BD_FIREFLY_4                 EL_BD_FIREFLY_UP
539 #define EL_BD_BUTTERFLY                 78
540 #define EL_BD_FIREFLY                   79
541 #define EL_PLAYER_1                     80
542 #define EL_PLAYER_2                     81
543 #define EL_PLAYER_3                     82
544 #define EL_PLAYER_4                     83
545 #define EL_BUG_RIGHT                    84
546 #define EL_BUG_UP                       85
547 #define EL_BUG_LEFT                     86
548 #define EL_BUG_DOWN                     87
549 #define EL_SPACESHIP_RIGHT              88
550 #define EL_SPACESHIP_UP                 89
551 #define EL_SPACESHIP_LEFT               90
552 #define EL_SPACESHIP_DOWN               91
553 #define EL_PACMAN_RIGHT                 92
554 #define EL_PACMAN_UP                    93
555 #define EL_PACMAN_LEFT                  94
556 #define EL_PACMAN_DOWN                  95
557 #define EL_EMERALD_RED                  96
558 #define EL_EMERALD_PURPLE               97
559 #define EL_WALL_EMERALD_RED             98
560 #define EL_WALL_EMERALD_PURPLE          99
561 #define EL_ACID_POOL_TOPLEFT            100
562 #define EL_ACID_POOL_TOPRIGHT           101
563 #define EL_ACID_POOL_BOTTOMLEFT         102
564 #define EL_ACID_POOL_BOTTOM             103
565 #define EL_ACID_POOL_BOTTOMRIGHT        104
566 #define EL_BD_WALL                      105
567 #define EL_BD_ROCK                      106
568 #define EL_EXIT_OPEN                    107
569 #define EL_BLACK_ORB                    108
570 #define EL_AMOEBA_TO_DIAMOND            109
571 #define EL_MOLE                         110
572 #define EL_PENGUIN                      111
573 #define EL_SATELLITE                    112
574 #define EL_ARROW_LEFT                   113
575 #define EL_ARROW_RIGHT                  114
576 #define EL_ARROW_UP                     115
577 #define EL_ARROW_DOWN                   116
578 #define EL_PIG                          117
579 #define EL_DRAGON                       118
580
581 #define EL_EM_KEY_1_FILE_OBSOLETE       119     /* obsolete; now EL_EM_KEY_1 */
582
583 #define EL_CHAR_START                   120
584 #define EL_CHAR_ASCII0                  (EL_CHAR_START  - 32)
585 #define EL_CHAR_ASCII0_START            (EL_CHAR_ASCII0 + 32)
586
587 #include "conf_chr.h"   /* include auto-generated data structure definitions */
588
589 #define EL_CHAR_ASCII0_END              (EL_CHAR_ASCII0 + 111)
590 #define EL_CHAR_END                     (EL_CHAR_START  + 79)
591
592 #define EL_CHAR(c)                      (EL_CHAR_ASCII0 + MAP_FONT_ASCII(c))
593
594 #define EL_EXPANDABLE_WALL_HORIZONTAL   200
595 #define EL_EXPANDABLE_WALL_VERTICAL     201
596 #define EL_EXPANDABLE_WALL_ANY          202
597
598 #define EL_EM_GATE_1                    203
599 #define EL_EM_GATE_2                    204
600 #define EL_EM_GATE_3                    205
601 #define EL_EM_GATE_4                    206
602
603 #define EL_EM_KEY_2_FILE_OBSOLETE       207     /* obsolete; now EL_EM_KEY_2 */
604 #define EL_EM_KEY_3_FILE_OBSOLETE       208     /* obsolete; now EL_EM_KEY_3 */
605 #define EL_EM_KEY_4_FILE_OBSOLETE       209     /* obsolete; now EL_EM_KEY_4 */
606
607 #define EL_SP_START                     210
608 #define EL_SP_EMPTY_SPACE               (EL_SP_START + 0)
609 #define EL_SP_EMPTY                     EL_SP_EMPTY_SPACE
610 #define EL_SP_ZONK                      (EL_SP_START + 1)
611 #define EL_SP_BASE                      (EL_SP_START + 2)
612 #define EL_SP_MURPHY                    (EL_SP_START + 3)
613 #define EL_SP_INFOTRON                  (EL_SP_START + 4)
614 #define EL_SP_CHIP_SINGLE               (EL_SP_START + 5)
615 #define EL_SP_HARDWARE_GRAY             (EL_SP_START + 6)
616 #define EL_SP_EXIT_CLOSED               (EL_SP_START + 7)
617 #define EL_SP_DISK_ORANGE               (EL_SP_START + 8)
618 #define EL_SP_PORT_RIGHT                (EL_SP_START + 9)
619 #define EL_SP_PORT_DOWN                 (EL_SP_START + 10)
620 #define EL_SP_PORT_LEFT                 (EL_SP_START + 11)
621 #define EL_SP_PORT_UP                   (EL_SP_START + 12)
622 #define EL_SP_GRAVITY_PORT_RIGHT        (EL_SP_START + 13)
623 #define EL_SP_GRAVITY_PORT_DOWN         (EL_SP_START + 14)
624 #define EL_SP_GRAVITY_PORT_LEFT         (EL_SP_START + 15)
625 #define EL_SP_GRAVITY_PORT_UP           (EL_SP_START + 16)
626 #define EL_SP_SNIKSNAK                  (EL_SP_START + 17)
627 #define EL_SP_DISK_YELLOW               (EL_SP_START + 18)
628 #define EL_SP_TERMINAL                  (EL_SP_START + 19)
629 #define EL_SP_DISK_RED                  (EL_SP_START + 20)
630 #define EL_SP_PORT_VERTICAL             (EL_SP_START + 21)
631 #define EL_SP_PORT_HORIZONTAL           (EL_SP_START + 22)
632 #define EL_SP_PORT_ANY                  (EL_SP_START + 23)
633 #define EL_SP_ELECTRON                  (EL_SP_START + 24)
634 #define EL_SP_BUGGY_BASE                (EL_SP_START + 25)
635 #define EL_SP_CHIP_LEFT                 (EL_SP_START + 26)
636 #define EL_SP_CHIP_RIGHT                (EL_SP_START + 27)
637 #define EL_SP_HARDWARE_BASE_1           (EL_SP_START + 28)
638 #define EL_SP_HARDWARE_GREEN            (EL_SP_START + 29)
639 #define EL_SP_HARDWARE_BLUE             (EL_SP_START + 30)
640 #define EL_SP_HARDWARE_RED              (EL_SP_START + 31)
641 #define EL_SP_HARDWARE_YELLOW           (EL_SP_START + 32)
642 #define EL_SP_HARDWARE_BASE_2           (EL_SP_START + 33)
643 #define EL_SP_HARDWARE_BASE_3           (EL_SP_START + 34)
644 #define EL_SP_HARDWARE_BASE_4           (EL_SP_START + 35)
645 #define EL_SP_HARDWARE_BASE_5           (EL_SP_START + 36)
646 #define EL_SP_HARDWARE_BASE_6           (EL_SP_START + 37)
647 #define EL_SP_CHIP_TOP                  (EL_SP_START + 38)
648 #define EL_SP_CHIP_BOTTOM               (EL_SP_START + 39)
649 #define EL_SP_END                       (EL_SP_START + 39)
650
651 #define EL_EM_GATE_1_GRAY               250
652 #define EL_EM_GATE_2_GRAY               251
653 #define EL_EM_GATE_3_GRAY               252
654 #define EL_EM_GATE_4_GRAY               253
655
656 #define EL_UNUSED_254                   254
657 #define EL_UNUSED_255                   255
658
659 #define EL_PEARL                        256
660 #define EL_CRYSTAL                      257
661 #define EL_WALL_PEARL                   258
662 #define EL_WALL_CRYSTAL                 259
663 #define EL_DOOR_WHITE                   260
664 #define EL_DOOR_WHITE_GRAY              261
665 #define EL_KEY_WHITE                    262
666 #define EL_SHIELD_NORMAL                263
667 #define EL_EXTRA_TIME                   264
668 #define EL_SWITCHGATE_OPEN              265
669 #define EL_SWITCHGATE_CLOSED            266
670 #define EL_SWITCHGATE_SWITCH_UP         267
671 #define EL_SWITCHGATE_SWITCH_DOWN       268
672
673 #define EL_UNUSED_269                   269
674 #define EL_UNUSED_270                   270
675
676 #define EL_CONVEYOR_BELT_1_LEFT          271
677 #define EL_CONVEYOR_BELT_1_MIDDLE        272
678 #define EL_CONVEYOR_BELT_1_RIGHT         273
679 #define EL_CONVEYOR_BELT_1_SWITCH_LEFT   274
680 #define EL_CONVEYOR_BELT_1_SWITCH_MIDDLE 275
681 #define EL_CONVEYOR_BELT_1_SWITCH_RIGHT  276
682 #define EL_CONVEYOR_BELT_2_LEFT          277
683 #define EL_CONVEYOR_BELT_2_MIDDLE        278
684 #define EL_CONVEYOR_BELT_2_RIGHT         279
685 #define EL_CONVEYOR_BELT_2_SWITCH_LEFT   280
686 #define EL_CONVEYOR_BELT_2_SWITCH_MIDDLE 281
687 #define EL_CONVEYOR_BELT_2_SWITCH_RIGHT  282
688 #define EL_CONVEYOR_BELT_3_LEFT          283
689 #define EL_CONVEYOR_BELT_3_MIDDLE        284
690 #define EL_CONVEYOR_BELT_3_RIGHT         285
691 #define EL_CONVEYOR_BELT_3_SWITCH_LEFT   286
692 #define EL_CONVEYOR_BELT_3_SWITCH_MIDDLE 287
693 #define EL_CONVEYOR_BELT_3_SWITCH_RIGHT  288
694 #define EL_CONVEYOR_BELT_4_LEFT          289
695 #define EL_CONVEYOR_BELT_4_MIDDLE        290
696 #define EL_CONVEYOR_BELT_4_RIGHT         291
697 #define EL_CONVEYOR_BELT_4_SWITCH_LEFT   292
698 #define EL_CONVEYOR_BELT_4_SWITCH_MIDDLE 293
699 #define EL_CONVEYOR_BELT_4_SWITCH_RIGHT  294
700 #define EL_LANDMINE                     295
701 #define EL_ENVELOPE_OBSOLETE            296   /* obsolete; now EL_ENVELOPE_1 */
702 #define EL_LIGHT_SWITCH                 297
703 #define EL_LIGHT_SWITCH_ACTIVE          298
704 #define EL_SIGN_EXCLAMATION             299
705 #define EL_SIGN_RADIOACTIVITY           300
706 #define EL_SIGN_STOP                    301
707 #define EL_SIGN_WHEELCHAIR              302
708 #define EL_SIGN_PARKING                 303
709 #define EL_SIGN_ONEWAY                  304
710 #define EL_SIGN_HEART                   305
711 #define EL_SIGN_TRIANGLE                306
712 #define EL_SIGN_ROUND                   307
713 #define EL_SIGN_EXIT                    308
714 #define EL_SIGN_YINYANG                 309
715 #define EL_SIGN_OTHER                   310
716 #define EL_MOLE_LEFT                    311
717 #define EL_MOLE_RIGHT                   312
718 #define EL_MOLE_UP                      313
719 #define EL_MOLE_DOWN                    314
720 #define EL_STEELWALL_SLIPPERY           315
721 #define EL_INVISIBLE_SAND               316
722 #define EL_DX_UNKNOWN_15                317
723 #define EL_DX_UNKNOWN_42                318
724
725 #define EL_UNUSED_319                   319
726 #define EL_UNUSED_320                   320
727
728 #define EL_SHIELD_DEADLY                321
729 #define EL_TIMEGATE_OPEN                322
730 #define EL_TIMEGATE_CLOSED              323
731 #define EL_TIMEGATE_SWITCH_ACTIVE       324
732 #define EL_TIMEGATE_SWITCH              325
733
734 #define EL_BALLOON                      326
735 #define EL_BALLOON_SWITCH_LEFT          327
736 #define EL_BALLOON_SWITCH_RIGHT         328
737 #define EL_BALLOON_SWITCH_UP            329
738 #define EL_BALLOON_SWITCH_DOWN          330
739 #define EL_BALLOON_SWITCH_ANY           331
740
741 #define EL_EMC_STEELWALL_1              332
742 #define EL_EMC_STEELWALL_2              333
743 #define EL_EMC_STEELWALL_3              334
744 #define EL_EMC_STEELWALL_4              335
745 #define EL_EMC_WALL_1                   336
746 #define EL_EMC_WALL_2                   337
747 #define EL_EMC_WALL_3                   338
748 #define EL_EMC_WALL_4                   339
749 #define EL_EMC_WALL_5                   340
750 #define EL_EMC_WALL_6                   341
751 #define EL_EMC_WALL_7                   342
752 #define EL_EMC_WALL_8                   343
753
754 #define EL_TUBE_ANY                     344
755 #define EL_TUBE_VERTICAL                345
756 #define EL_TUBE_HORIZONTAL              346
757 #define EL_TUBE_VERTICAL_LEFT           347
758 #define EL_TUBE_VERTICAL_RIGHT          348
759 #define EL_TUBE_HORIZONTAL_UP           349
760 #define EL_TUBE_HORIZONTAL_DOWN         350
761 #define EL_TUBE_LEFT_UP                 351
762 #define EL_TUBE_LEFT_DOWN               352
763 #define EL_TUBE_RIGHT_UP                353
764 #define EL_TUBE_RIGHT_DOWN              354
765 #define EL_SPRING                       355
766 #define EL_TRAP                         356
767 #define EL_DX_SUPABOMB                  357
768
769 #define EL_UNUSED_358                   358
770 #define EL_UNUSED_359                   359
771
772 /* ---------- begin of custom elements section ----------------------------- */
773 #define EL_CUSTOM_START                 360
774
775 #include "conf_cus.h"   /* include auto-generated data structure definitions */
776
777 #define NUM_CUSTOM_ELEMENTS             256
778 #define EL_CUSTOM_END                   615
779 /* ---------- end of custom elements section ------------------------------- */
780
781 #define EL_EM_KEY_1                     616
782 #define EL_EM_KEY_2                     617
783 #define EL_EM_KEY_3                     618
784 #define EL_EM_KEY_4                     619
785 #define EL_ENVELOPE_1                   620
786 #define EL_ENVELOPE_2                   621
787 #define EL_ENVELOPE_3                   622
788 #define EL_ENVELOPE_4                   623
789
790 #define NUM_FILE_ELEMENTS               624
791
792
793 /* "real" (and therefore drawable) runtime elements */
794 #define EL_FIRST_RUNTIME_REAL           NUM_FILE_ELEMENTS
795
796 #define EL_DYNABOMB_PLAYER_1_ACTIVE     (EL_FIRST_RUNTIME_REAL + 0)
797 #define EL_DYNABOMB_PLAYER_2_ACTIVE     (EL_FIRST_RUNTIME_REAL + 1)
798 #define EL_DYNABOMB_PLAYER_3_ACTIVE     (EL_FIRST_RUNTIME_REAL + 2)
799 #define EL_DYNABOMB_PLAYER_4_ACTIVE     (EL_FIRST_RUNTIME_REAL + 3)
800 #define EL_SP_DISK_RED_ACTIVE           (EL_FIRST_RUNTIME_REAL + 4)
801 #define EL_SWITCHGATE_OPENING           (EL_FIRST_RUNTIME_REAL + 5)
802 #define EL_SWITCHGATE_CLOSING           (EL_FIRST_RUNTIME_REAL + 6)
803 #define EL_TIMEGATE_OPENING             (EL_FIRST_RUNTIME_REAL + 7)
804 #define EL_TIMEGATE_CLOSING             (EL_FIRST_RUNTIME_REAL + 8)
805 #define EL_PEARL_BREAKING               (EL_FIRST_RUNTIME_REAL + 9)
806 #define EL_TRAP_ACTIVE                  (EL_FIRST_RUNTIME_REAL + 10)
807 #define EL_INVISIBLE_STEELWALL_ACTIVE   (EL_FIRST_RUNTIME_REAL + 11)
808 #define EL_INVISIBLE_WALL_ACTIVE        (EL_FIRST_RUNTIME_REAL + 12)
809 #define EL_INVISIBLE_SAND_ACTIVE        (EL_FIRST_RUNTIME_REAL + 13)
810 #define EL_CONVEYOR_BELT_1_LEFT_ACTIVE   (EL_FIRST_RUNTIME_REAL + 14)
811 #define EL_CONVEYOR_BELT_1_MIDDLE_ACTIVE (EL_FIRST_RUNTIME_REAL + 15)
812 #define EL_CONVEYOR_BELT_1_RIGHT_ACTIVE  (EL_FIRST_RUNTIME_REAL + 16)
813 #define EL_CONVEYOR_BELT_2_LEFT_ACTIVE   (EL_FIRST_RUNTIME_REAL + 17)
814 #define EL_CONVEYOR_BELT_2_MIDDLE_ACTIVE (EL_FIRST_RUNTIME_REAL + 18)
815 #define EL_CONVEYOR_BELT_2_RIGHT_ACTIVE  (EL_FIRST_RUNTIME_REAL + 19)
816 #define EL_CONVEYOR_BELT_3_LEFT_ACTIVE   (EL_FIRST_RUNTIME_REAL + 20)
817 #define EL_CONVEYOR_BELT_3_MIDDLE_ACTIVE (EL_FIRST_RUNTIME_REAL + 21)
818 #define EL_CONVEYOR_BELT_3_RIGHT_ACTIVE  (EL_FIRST_RUNTIME_REAL + 22)
819 #define EL_CONVEYOR_BELT_4_LEFT_ACTIVE   (EL_FIRST_RUNTIME_REAL + 23)
820 #define EL_CONVEYOR_BELT_4_MIDDLE_ACTIVE (EL_FIRST_RUNTIME_REAL + 24)
821 #define EL_CONVEYOR_BELT_4_RIGHT_ACTIVE  (EL_FIRST_RUNTIME_REAL + 25)
822 #define EL_EXIT_OPENING                 (EL_FIRST_RUNTIME_REAL + 26)
823 #define EL_EXIT_CLOSING                 (EL_FIRST_RUNTIME_REAL + 27)
824 #define EL_SP_EXIT_OPEN                 (EL_FIRST_RUNTIME_REAL + 28)
825 #define EL_SP_TERMINAL_ACTIVE           (EL_FIRST_RUNTIME_REAL + 29)
826 #define EL_SP_BUGGY_BASE_ACTIVATING     (EL_FIRST_RUNTIME_REAL + 30)
827 #define EL_SP_BUGGY_BASE_ACTIVE         (EL_FIRST_RUNTIME_REAL + 31)
828 #define EL_SP_MURPHY_CLONE              (EL_FIRST_RUNTIME_REAL + 32)
829 #define EL_AMOEBA_DROPPING              (EL_FIRST_RUNTIME_REAL + 33)
830 #define EL_QUICKSAND_EMPTYING           (EL_FIRST_RUNTIME_REAL + 34)
831 #define EL_MAGIC_WALL_ACTIVE            (EL_FIRST_RUNTIME_REAL + 35)
832 #define EL_BD_MAGIC_WALL_ACTIVE         (EL_FIRST_RUNTIME_REAL + 36)
833 #define EL_MAGIC_WALL_FULL              (EL_FIRST_RUNTIME_REAL + 37)
834 #define EL_BD_MAGIC_WALL_FULL           (EL_FIRST_RUNTIME_REAL + 38)
835 #define EL_MAGIC_WALL_EMPTYING          (EL_FIRST_RUNTIME_REAL + 39)
836 #define EL_BD_MAGIC_WALL_EMPTYING       (EL_FIRST_RUNTIME_REAL + 40)
837 #define EL_MAGIC_WALL_DEAD              (EL_FIRST_RUNTIME_REAL + 41)
838 #define EL_BD_MAGIC_WALL_DEAD           (EL_FIRST_RUNTIME_REAL + 42)
839
840 /* "unreal" (and therefore not drawable) runtime elements */
841 #define EL_FIRST_RUNTIME_UNREAL         (EL_FIRST_RUNTIME_REAL + 43)
842
843 #define EL_BLOCKED                      (EL_FIRST_RUNTIME_UNREAL + 0)
844 #define EL_EXPLOSION                    (EL_FIRST_RUNTIME_UNREAL + 1)
845 #define EL_NUT_BREAKING                 (EL_FIRST_RUNTIME_UNREAL + 2)
846 #define EL_DIAMOND_BREAKING             (EL_FIRST_RUNTIME_UNREAL + 3)
847 #define EL_ACID_SPLASH_LEFT             (EL_FIRST_RUNTIME_UNREAL + 4)
848 #define EL_ACID_SPLASH_RIGHT            (EL_FIRST_RUNTIME_UNREAL + 5)
849 #define EL_AMOEBA_GROWING               (EL_FIRST_RUNTIME_UNREAL + 6)
850 #define EL_AMOEBA_SHRINKING             (EL_FIRST_RUNTIME_UNREAL + 7)
851 #define EL_EXPANDABLE_WALL_GROWING      (EL_FIRST_RUNTIME_UNREAL + 8)
852 #define EL_FLAMES                       (EL_FIRST_RUNTIME_UNREAL + 9)
853 #define EL_PLAYER_IS_LEAVING            (EL_FIRST_RUNTIME_UNREAL + 10)
854 #define EL_QUICKSAND_FILLING            (EL_FIRST_RUNTIME_UNREAL + 11)
855 #define EL_MAGIC_WALL_FILLING           (EL_FIRST_RUNTIME_UNREAL + 12)
856 #define EL_BD_MAGIC_WALL_FILLING        (EL_FIRST_RUNTIME_UNREAL + 13)
857
858 /* dummy elements (never used as game elements, only used as graphics) */
859 #define EL_FIRST_DUMMY                  (EL_FIRST_RUNTIME_UNREAL + 14)
860
861 #define EL_STEELWALL_TOPLEFT                    (EL_FIRST_DUMMY + 0)
862 #define EL_STEELWALL_TOPRIGHT                   (EL_FIRST_DUMMY + 1)
863 #define EL_STEELWALL_BOTTOMLEFT                 (EL_FIRST_DUMMY + 2)
864 #define EL_STEELWALL_BOTTOMRIGHT                (EL_FIRST_DUMMY + 3)
865 #define EL_STEELWALL_HORIZONTAL                 (EL_FIRST_DUMMY + 4)
866 #define EL_STEELWALL_VERTICAL                   (EL_FIRST_DUMMY + 5)
867 #define EL_INVISIBLE_STEELWALL_TOPLEFT          (EL_FIRST_DUMMY + 6)
868 #define EL_INVISIBLE_STEELWALL_TOPRIGHT         (EL_FIRST_DUMMY + 7)
869 #define EL_INVISIBLE_STEELWALL_BOTTOMLEFT       (EL_FIRST_DUMMY + 8)
870 #define EL_INVISIBLE_STEELWALL_BOTTOMRIGHT      (EL_FIRST_DUMMY + 9)
871 #define EL_INVISIBLE_STEELWALL_HORIZONTAL       (EL_FIRST_DUMMY + 10)
872 #define EL_INVISIBLE_STEELWALL_VERTICAL         (EL_FIRST_DUMMY + 11)
873 #define EL_DYNABOMB                             (EL_FIRST_DUMMY + 12)
874 #define EL_DYNABOMB_ACTIVE                      (EL_FIRST_DUMMY + 13)
875 #define EL_DYNABOMB_PLAYER_1                    (EL_FIRST_DUMMY + 14)
876 #define EL_DYNABOMB_PLAYER_2                    (EL_FIRST_DUMMY + 15)
877 #define EL_DYNABOMB_PLAYER_3                    (EL_FIRST_DUMMY + 16)
878 #define EL_DYNABOMB_PLAYER_4                    (EL_FIRST_DUMMY + 17)
879 #define EL_SHIELD_NORMAL_ACTIVE                 (EL_FIRST_DUMMY + 18)
880 #define EL_SHIELD_DEADLY_ACTIVE                 (EL_FIRST_DUMMY + 19)
881 #define EL_DEFAULT                              (EL_FIRST_DUMMY + 20)
882 #define EL_BD_DEFAULT                           (EL_FIRST_DUMMY + 21)
883 #define EL_SP_DEFAULT                           (EL_FIRST_DUMMY + 22)
884 #define EL_SB_DEFAULT                           (EL_FIRST_DUMMY + 23)
885
886 #define MAX_NUM_ELEMENTS                        (EL_FIRST_DUMMY + 24)
887
888
889 /* values for graphics/sounds action types */
890 #define ACTION_DEFAULT                          0
891 #define ACTION_WAITING                          1
892 #define ACTION_FALLING                          2
893 #define ACTION_MOVING                           3
894 #define ACTION_DIGGING                          4
895 #define ACTION_SNAPPING                         5
896 #define ACTION_COLLECTING                       6
897 #define ACTION_DROPPING                         7
898 #define ACTION_PUSHING                          8
899 #define ACTION_WALKING                          9
900 #define ACTION_PASSING                          10
901 #define ACTION_IMPACT                           11
902 #define ACTION_BREAKING                         12
903 #define ACTION_ACTIVATING                       13
904 #define ACTION_DEACTIVATING                     14
905 #define ACTION_OPENING                          15
906 #define ACTION_CLOSING                          16
907 #define ACTION_ATTACKING                        17
908 #define ACTION_GROWING                          18
909 #define ACTION_SHRINKING                        19
910 #define ACTION_ACTIVE                           20
911 #define ACTION_FILLING                          21
912 #define ACTION_EMPTYING                         22
913 #define ACTION_CHANGING                         23
914 #define ACTION_EXPLODING                        24
915 #define ACTION_DYING                            25
916 #define ACTION_OTHER                            26
917
918 #define NUM_ACTIONS                             27
919
920 /* values for special image configuration suffixes (must match game mode) */
921 #define GFX_SPECIAL_ARG_MAIN                    0
922 #define GFX_SPECIAL_ARG_LEVELS                  1
923 #define GFX_SPECIAL_ARG_SCORES                  2
924 #define GFX_SPECIAL_ARG_EDITOR                  3
925 #define GFX_SPECIAL_ARG_INFO                    4
926 #define GFX_SPECIAL_ARG_SETUP                   5
927 #define GFX_SPECIAL_ARG_PLAYING                 6
928 #define GFX_SPECIAL_ARG_DOOR                    7
929 #define GFX_SPECIAL_ARG_PREVIEW                 8
930 #define GFX_SPECIAL_ARG_CRUMBLED                9
931
932 #define NUM_SPECIAL_GFX_ARGS                    10
933
934
935 /* values for image configuration suffixes */
936 #define GFX_ARG_X                               0
937 #define GFX_ARG_Y                               1
938 #define GFX_ARG_XPOS                            2
939 #define GFX_ARG_YPOS                            3
940 #define GFX_ARG_WIDTH                           4
941 #define GFX_ARG_HEIGHT                          5
942 #define GFX_ARG_OFFSET                          6
943 #define GFX_ARG_VERTICAL                        7
944 #define GFX_ARG_XOFFSET                         8
945 #define GFX_ARG_YOFFSET                         9
946 #define GFX_ARG_FRAMES                          10
947 #define GFX_ARG_FRAMES_PER_LINE                 11
948 #define GFX_ARG_START_FRAME                     12
949 #define GFX_ARG_DELAY                           13
950 #define GFX_ARG_ANIM_MODE                       14
951 #define GFX_ARG_GLOBAL_SYNC                     15
952 #define GFX_ARG_CRUMBLED_LIKE                   16
953 #define GFX_ARG_DIGGABLE_LIKE                   17
954 #define GFX_ARG_BORDER_SIZE                     18
955 #define GFX_ARG_STEP_OFFSET                     19
956 #define GFX_ARG_STEP_DELAY                      20
957 #define GFX_ARG_DIRECTION                       21
958 #define GFX_ARG_POSITION                        22
959 #define GFX_ARG_DRAW_XOFFSET                    23
960 #define GFX_ARG_DRAW_YOFFSET                    24
961 #define GFX_ARG_DRAW_MASKED                     25
962 #define GFX_ARG_NAME                            26
963
964 #define NUM_GFX_ARGS                            27
965
966
967 /* values for sound configuration suffixes */
968 #define SND_ARG_MODE_LOOP                       0
969
970 #define NUM_SND_ARGS                            1
971
972
973 /* values for font configuration */
974
975 #define FONT_INITIAL_1                          0
976 #define FONT_INITIAL_2                          1
977 #define FONT_INITIAL_3                          2
978 #define FONT_INITIAL_4                          3
979 #define FONT_TITLE_1                            4
980 #define FONT_TITLE_2                            5
981 #define FONT_MENU_1                             6
982 #define FONT_MENU_2                             7
983 #define FONT_TEXT_1_ACTIVE                      8
984 #define FONT_TEXT_2_ACTIVE                      9
985 #define FONT_TEXT_3_ACTIVE                      10
986 #define FONT_TEXT_4_ACTIVE                      11
987 #define FONT_TEXT_1                             12
988 #define FONT_TEXT_2                             13
989 #define FONT_TEXT_3                             14
990 #define FONT_TEXT_4                             15
991 #define FONT_ENVELOPE_1                         16
992 #define FONT_ENVELOPE_2                         17
993 #define FONT_ENVELOPE_3                         18
994 #define FONT_ENVELOPE_4                         19
995 #define FONT_INPUT_1_ACTIVE                     20
996 #define FONT_INPUT_2_ACTIVE                     21
997 #define FONT_INPUT_1                            22
998 #define FONT_INPUT_2                            23
999 #define FONT_OPTION_OFF                         24
1000 #define FONT_OPTION_ON                          25
1001 #define FONT_VALUE_1                            26
1002 #define FONT_VALUE_2                            27
1003 #define FONT_VALUE_OLD                          28
1004 #define FONT_LEVEL_NUMBER                       29
1005 #define FONT_TAPE_RECORDER                      30
1006 #define FONT_GAME_INFO                          31
1007
1008 #define NUM_FONTS                               32
1009 #define NUM_INITIAL_FONTS                       4
1010
1011 /* values for game_status (must match special image configuration suffixes) */
1012 #define GAME_MODE_MAIN                          0
1013 #define GAME_MODE_LEVELS                        1
1014 #define GAME_MODE_SCORES                        2
1015 #define GAME_MODE_EDITOR                        3
1016 #define GAME_MODE_INFO                          4
1017 #define GAME_MODE_SETUP                         5
1018 #define GAME_MODE_PLAYING                       6
1019 #define GAME_MODE_PSEUDO_DOOR                   7
1020 #define GAME_MODE_PSEUDO_PREVIEW                8
1021 #define GAME_MODE_PSEUDO_CRUMBLED               9
1022
1023 /* there are no special config file suffixes for these modes */
1024 #define GAME_MODE_PSEUDO_TYPENAME               10
1025 #define GAME_MODE_QUIT                          11
1026
1027 #define PROGRAM_VERSION_MAJOR   3
1028 #define PROGRAM_VERSION_MINOR   0
1029 #define PROGRAM_VERSION_PATCH   6
1030 #define PROGRAM_VERSION_RELEASE 0
1031 #define PROGRAM_VERSION_STRING  "3.0.6"
1032
1033 #define PROGRAM_TITLE_STRING    "Rocks'n'Diamonds"
1034 #define PROGRAM_AUTHOR_STRING   "Holger Schemel"
1035 #define PROGRAM_RIGHTS_STRING   "Copyright Â©1995-2003 by"
1036 #define PROGRAM_DOS_PORT_STRING "DOS port done by Guido Schulz"
1037 #define PROGRAM_IDENT_STRING    PROGRAM_VERSION_STRING " " TARGET_STRING
1038 #define WINDOW_TITLE_STRING     PROGRAM_TITLE_STRING " " PROGRAM_IDENT_STRING
1039 #define WINDOW_SUBTITLE_STRING  PROGRAM_RIGHTS_STRING " " PROGRAM_AUTHOR_STRING
1040 #define ICON_TITLE_STRING       PROGRAM_TITLE_STRING
1041 #define COOKIE_PREFIX           "ROCKSNDIAMONDS"
1042 #define FILENAME_PREFIX         "Rocks"
1043
1044 #if defined(PLATFORM_UNIX)
1045 #define USERDATA_DIRECTORY      ".rocksndiamonds"
1046 #elif defined(PLATFORM_WIN32)
1047 #define USERDATA_DIRECTORY      PROGRAM_TITLE_STRING
1048 #else
1049 #define USERDATA_DIRECTORY      "userdata"
1050 #endif
1051
1052 #define X11_ICON_FILENAME       "rocks_icon.xbm"
1053 #define X11_ICONMASK_FILENAME   "rocks_iconmask.xbm"
1054 #define MSDOS_POINTER_FILENAME  "mouse.pcx"
1055
1056 /* file version numbers for resource files (levels, tapes, score, setup, etc.)
1057 ** currently supported/known file version numbers:
1058 **      1.0 (old)
1059 **      1.2 (still in use)
1060 **      1.4 (still in use)
1061 **      2.0 (actual)
1062 */
1063 #define FILE_VERSION_1_0        VERSION_IDENT(1,0,0)
1064 #define FILE_VERSION_1_2        VERSION_IDENT(1,2,0)
1065 #define FILE_VERSION_1_4        VERSION_IDENT(1,4,0)
1066 #define FILE_VERSION_2_0        VERSION_IDENT(2,0,0)
1067
1068 /* file version does not change for every program version, but is changed
1069    when new features are introduced that are incompatible with older file
1070    versions, so that they can be treated accordingly */
1071 #define FILE_VERSION_ACTUAL     FILE_VERSION_2_0
1072
1073 #define GAME_VERSION_1_0        FILE_VERSION_1_0
1074 #define GAME_VERSION_1_2        FILE_VERSION_1_2
1075 #define GAME_VERSION_1_4        FILE_VERSION_1_4
1076 #define GAME_VERSION_2_0        FILE_VERSION_2_0
1077
1078 #define GAME_VERSION_ACTUAL     RELEASE_IDENT(PROGRAM_VERSION_MAJOR, \
1079                                               PROGRAM_VERSION_MINOR, \
1080                                               PROGRAM_VERSION_PATCH, \
1081                                               PROGRAM_VERSION_RELEASE)
1082
1083 /* values for game_emulation */
1084 #define EMU_NONE                0
1085 #define EMU_BOULDERDASH         1
1086 #define EMU_SOKOBAN             2
1087 #define EMU_SUPAPLEX            3
1088
1089 struct MenuInfo
1090 {
1091   int draw_xoffset_default;
1092   int draw_yoffset_default;
1093   int draw_xoffset[NUM_SPECIAL_GFX_ARGS];
1094   int draw_yoffset[NUM_SPECIAL_GFX_ARGS];
1095
1096   int scrollbar_xoffset;
1097
1098   int list_size_default;
1099   int list_size[NUM_SPECIAL_GFX_ARGS];
1100 };
1101
1102 struct DoorInfo
1103 {
1104   int step_offset;
1105   int step_delay;
1106   int anim_mode;
1107 };
1108
1109 struct HiScore
1110 {
1111   char Name[MAX_PLAYER_NAME_LEN + 1];
1112   int Score;
1113 };
1114
1115 struct PlayerInfo
1116 {
1117   boolean present;              /* player present in level playfield */
1118   boolean connected;            /* player connected (locally or via network) */
1119   boolean active;               /* player (present && connected) */
1120
1121   int index_nr, client_nr, element_nr;
1122
1123   byte action;                  /* action from local input device */
1124   byte effective_action;        /* action acknowledged from network server
1125                                    or summarized over all configured input
1126                                    devices when in single player mode */
1127   byte programmed_action;       /* action forced by game itself (like moving
1128                                    through doors); overrides other actions */
1129
1130   int jx,jy, last_jx,last_jy;
1131   int MovDir, MovPos, GfxDir, GfxPos;
1132   int Frame, StepFrame;
1133
1134   int GfxAction;
1135
1136   boolean use_murphy_graphic;
1137   boolean use_disk_red_graphic;
1138
1139   boolean Pushing;
1140   boolean Switching;
1141   boolean LevelSolved, GameOver;
1142   boolean snapped;
1143
1144   int switch_x, switch_y;
1145
1146   int last_move_dir;
1147   boolean is_moving;
1148   boolean is_waiting;
1149   boolean is_digging;
1150   boolean is_collecting;
1151
1152   int show_envelope;
1153
1154   unsigned long move_delay;
1155   int move_delay_value;
1156
1157   unsigned long push_delay;
1158   unsigned long push_delay_value;
1159
1160   unsigned long actual_frame_counter;
1161
1162   int score;
1163   int gems_still_needed;
1164   int sokobanfields_still_needed;
1165   int lights_still_needed;
1166   int friends_still_needed;
1167   int key[4];
1168   int dynabomb_count, dynabomb_size, dynabombs_left, dynabomb_xl;
1169   int shield_normal_time_left;
1170   int shield_deadly_time_left;
1171
1172   int inventory_element[MAX_INVENTORY_SIZE];
1173   int inventory_size;
1174 };
1175
1176 struct LevelInfo
1177 {
1178   int file_version;     /* file format version the level is stored with    */
1179   int game_version;     /* game release version the level was created with */
1180
1181   boolean encoding_16bit_field;         /* level contains 16-bit elements  */
1182   boolean encoding_16bit_yamyam;        /* yamyam contains 16-bit elements */
1183   boolean encoding_16bit_amoeba;        /* amoeba contains 16-bit elements */
1184
1185   int fieldx, fieldy;
1186   int time;
1187   int gems_needed;
1188   char name[MAX_LEVEL_NAME_LEN + 1];
1189   char author[MAX_LEVEL_AUTHOR_LEN + 1];
1190   char envelope_text[4][MAX_ENVELOPE_TEXT_LEN + 1];
1191   int envelope_xsize[4], envelope_ysize[4];
1192   int score[LEVEL_SCORE_ELEMENTS];
1193   int yamyam_content[MAX_ELEMENT_CONTENTS][3][3];
1194   int num_yamyam_contents;
1195   int amoeba_speed;
1196   int amoeba_content;
1197   int time_magic_wall;
1198   int time_wheel;
1199   int time_light;
1200   int time_timegate;
1201   boolean double_speed;
1202   boolean gravity;
1203   boolean em_slippery_gems;     /* EM style "gems slip from wall" behaviour */
1204
1205   short field[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1206
1207   boolean use_custom_template;  /* use custom properties from template file */
1208
1209   boolean no_level_file;        /* set for currently undefined levels */
1210 };
1211
1212 struct TapeInfo
1213 {
1214   int file_version;     /* file format version the tape is stored with    */
1215   int game_version;     /* game release version the tape was created with */
1216   int engine_version;   /* game engine version the tape was recorded with */
1217
1218   char *level_identifier;
1219   int level_nr;
1220   unsigned long random_seed;
1221   unsigned long date;
1222   unsigned long counter;
1223   unsigned long length;
1224   unsigned long length_seconds;
1225   unsigned int delay_played;
1226   boolean pause_before_death;
1227   boolean recording, playing, pausing;
1228   boolean fast_forward;
1229   boolean index_search;
1230   boolean auto_play;
1231   boolean auto_play_level_solved;
1232   boolean quick_resume;
1233   boolean single_step;
1234   boolean changed;
1235   boolean player_participates[MAX_PLAYERS];
1236   int num_participating_players;
1237
1238   struct
1239   {
1240     byte action[MAX_PLAYERS];
1241     byte delay;
1242   } pos[MAX_TAPELEN];
1243 };
1244
1245 struct GameInfo
1246 {
1247   /* constant within running game */
1248   int engine_version;
1249   int emulation;
1250   int initial_move_delay;
1251   int initial_move_delay_value;
1252
1253   boolean envelope_active;
1254
1255   /* variable within running game */
1256   int yamyam_content_nr;
1257   boolean magic_wall_active;
1258   int magic_wall_time_left;
1259   int light_time_left;
1260   int timegate_time_left;
1261   int belt_dir[4];
1262   int belt_dir_nr[4];
1263   int switchgate_pos;
1264   int balloon_dir;
1265   boolean explosions_delayed;
1266 };
1267
1268 struct GlobalInfo
1269 {
1270   char *autoplay_leveldir;
1271   int autoplay_level_nr;
1272
1273   int num_toons;
1274
1275   float frames_per_second;
1276   boolean fps_slowdown;
1277   int fps_slowdown_factor;
1278 };
1279
1280 struct ElementChangeInfo
1281 {
1282   boolean can_change;           /* use or ignore this change info */
1283
1284   unsigned long events;         /* change events */
1285   int sides;                    /* change sides */
1286
1287   short target_element;         /* target element after change */
1288
1289   int delay_fixed;              /* added frame delay before changed (fixed) */
1290   int delay_random;             /* added frame delay before changed (random) */
1291   int delay_frames;             /* either 1 (frames) or 50 (seconds; 50 fps) */
1292
1293   short trigger_element;        /* custom element triggering change */
1294
1295   int content[3][3];            /* new elements after extended change */
1296   boolean use_content;          /* use extended change content */
1297   boolean only_complete;        /* only use complete content */
1298   boolean use_random_change;    /* use random value for setting content */
1299   int random;                   /* random value for setting content */
1300   int power;                    /* power of extended change */
1301
1302   boolean explode;              /* explode instead of change */
1303
1304   /* functions that are called before, while and after the change of an
1305      element -- currently only used for non-custom elements */
1306   void (*pre_change_function)(int x, int y);
1307   void (*change_function)(int x, int y);
1308   void (*post_change_function)(int x, int y);
1309
1310   /* ---------- internal values used in level editor ---------- */
1311
1312   int direct_action;            /* change triggered by actions on element */
1313   int other_action;             /* change triggered by other element actions */
1314 };
1315
1316 struct ElementInfo
1317 {
1318   /* ---------- token and description strings ---------- */
1319
1320   char *token_name;             /* element token used in config files */
1321   char *class_name;             /* element class used in config files */
1322   char *editor_description;     /* pre-defined description for level editor */
1323   char *custom_description;     /* alternative description from config file */
1324   char description[MAX_ELEMENT_NAME_LEN + 1];   /* for custom elements */
1325
1326   /* ---------- graphic and sound definitions ---------- */
1327
1328   int graphic[NUM_ACTIONS];     /* default graphics for several actions */
1329   int direction_graphic[NUM_ACTIONS][NUM_DIRECTIONS];
1330                                 /* special graphics for left/right/up/down */
1331
1332   int crumbled[NUM_ACTIONS];    /* crumbled graphics for several actions */
1333   int direction_crumbled[NUM_ACTIONS][NUM_DIRECTIONS];
1334                                 /* crumbled graphics for left/right/up/down */
1335
1336   int special_graphic[NUM_SPECIAL_GFX_ARGS];
1337                                 /* special graphics for certain screens */
1338
1339   int sound[NUM_ACTIONS];       /* default sounds for several actions */
1340
1341   /* ---------- special element property values ---------- */
1342
1343   boolean use_gfx_element;      /* use custom graphic element */
1344   short gfx_element;            /* optional custom graphic element */
1345
1346   int collect_score;            /* score value for collecting */
1347   int collect_count;            /* count value for collecting */
1348
1349   int push_delay_fixed;         /* constant frame delay for pushing */
1350   int push_delay_random;        /* additional random frame delay for pushing */
1351   int move_delay_fixed;         /* constant frame delay for moving */
1352   int move_delay_random;        /* additional random frame delay for moving */
1353
1354   int move_pattern;             /* direction movable element moves to */
1355   int move_direction_initial;   /* initial direction element moves to */
1356   int move_stepsize;            /* step size element moves with */
1357
1358   int slippery_type;            /* how/where other elements slip away */
1359
1360   int content[3][3];            /* new elements after explosion */
1361
1362   struct ElementChangeInfo *change_page; /* actual list of change pages */
1363   struct ElementChangeInfo *change;      /* pointer to current change page */
1364
1365   int num_change_pages;         /* actual number of change pages */
1366   int current_change_page;      /* currently edited change page */
1367
1368   /* ---------- internal values used at runtime when playing ---------- */
1369
1370   unsigned long change_events;  /* bitfield for combined change events */
1371
1372   int event_page_nr[NUM_CHANGE_EVENTS]; /* page number for each event */
1373   struct ElementChangeInfo *event_page[NUM_CHANGE_EVENTS]; /* page for event */
1374
1375   /* ---------- internal values used in level editor ---------- */
1376
1377   int access_type;              /* walkable or passable */
1378   int access_layer;             /* accessible over/inside/under */
1379   int walk_to_action;           /* diggable/collectible/pushable */
1380   int smash_targets;            /* can smash player/enemies/everything */
1381   int deadliness;               /* deadly when running/colliding/touching */
1382   int consistency;              /* indestructible/can explode */
1383
1384   boolean can_explode_by_fire;  /* element explodes by fire */
1385   boolean can_explode_smashed;  /* element explodes when smashed */
1386   boolean can_explode_impact;   /* element explodes on impact */
1387
1388   boolean modified_settings;    /* set for all modified custom elements */
1389 };
1390
1391 struct FontInfo
1392 {
1393   char *token_name;             /* font token used in config files */
1394
1395   int graphic;                  /* default graphic for this font */
1396   int special_graphic[NUM_SPECIAL_GFX_ARGS];
1397                                 /* special graphics for certain screens */
1398   int special_bitmap_id[NUM_SPECIAL_GFX_ARGS];
1399                                 /* internal bitmap ID for special graphics */
1400 };
1401
1402 struct GraphicInfo
1403 {
1404   Bitmap *bitmap;
1405   int src_x, src_y;             /* start position of animation frames */
1406   int width, height;            /* width/height of each animation frame */
1407   int offset_x, offset_y;       /* x/y offset to next animation frame */
1408   int anim_frames;
1409   int anim_frames_per_line;
1410   int anim_start_frame;
1411   int anim_delay;               /* important: delay of 1 means "no delay"! */
1412   int anim_mode;
1413   boolean anim_global_sync;
1414   int crumbled_like;            /* element for cloning crumble graphics */
1415   int diggable_like;            /* element for cloning digging graphics */
1416   int border_size;              /* border size for "crumbled" graphics */
1417
1418   int step_offset;              /* optional step offset of toon animations */
1419   int step_delay;               /* optional step delay of toon animations */
1420
1421   int draw_x, draw_y;           /* optional offset for drawing fonts chars */
1422
1423   int draw_masked;              /* optional setting for drawing envelope gfx */
1424
1425 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
1426   Pixmap clip_mask;             /* single-graphic-only clip mask for X11 */
1427   GC clip_gc;                   /* single-graphic-only clip gc for X11 */
1428 #endif
1429 };
1430
1431 struct SoundInfo
1432 {
1433   boolean loop;
1434 };
1435
1436 struct ElementActionInfo
1437 {
1438   char *suffix;
1439   int value;
1440   boolean is_loop_sound;
1441 };
1442
1443 struct ElementDirectionInfo
1444 {
1445   char *suffix;
1446   int value;
1447 };
1448
1449 struct SpecialSuffixInfo
1450 {
1451   char *suffix;
1452   int value;
1453 };
1454
1455
1456 #if 0
1457 extern GC                       tile_clip_gc;
1458 extern Bitmap                  *pix[];
1459 #endif
1460 extern Bitmap                  *bitmap_db_field, *bitmap_db_door;
1461 extern Pixmap                   tile_clipmask[];
1462 extern DrawBuffer             *fieldbuffer;
1463 extern DrawBuffer             *drawto_field;
1464
1465 extern int                      game_status;
1466 extern boolean                  level_editor_test_game;
1467 extern boolean                  network_playing;
1468
1469 extern int                      key_joystick_mapping;
1470
1471 extern boolean                  redraw[MAX_BUF_XSIZE][MAX_BUF_YSIZE];
1472 extern int                      redraw_x1, redraw_y1;
1473
1474 extern short                    Feld[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1475 extern short                    MovPos[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1476 extern short                    MovDir[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1477 extern short                    MovDelay[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1478 extern short                    ChangeDelay[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1479 extern short                    Store[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1480 extern short                    Store2[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1481 extern short                    StorePlayer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1482 extern short                    Back[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1483 extern boolean                  Stop[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1484 extern boolean                  Pushed[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1485 extern unsigned long            Changed[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1486 extern unsigned long            ChangeEvent[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1487 extern short                    JustStopped[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1488 extern short                    AmoebaNr[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1489 extern short                    AmoebaCnt[MAX_NUM_AMOEBA];
1490 extern short                    AmoebaCnt2[MAX_NUM_AMOEBA];
1491 extern short                    ExplodePhase[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1492 extern short                    ExplodeField[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1493
1494 extern unsigned long            Properties[MAX_NUM_ELEMENTS][NUM_EP_BITFIELDS];
1495
1496 extern int                      GfxFrame[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1497 extern int                      GfxAction[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1498 extern int                      GfxRandom[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1499 extern int                      GfxElement[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1500
1501 extern int                      lev_fieldx, lev_fieldy;
1502 extern int                      scroll_x, scroll_y;
1503
1504 extern int                      FX, FY;
1505 extern int                      ScrollStepSize;
1506 extern int                      ScreenMovDir, ScreenMovPos, ScreenGfxPos;
1507 extern int                      BorderElement;
1508 extern int                      GameFrameDelay;
1509 extern int                      FfwdFrameDelay;
1510 extern int                      BX1, BY1;
1511 extern int                      BX2, BY2;
1512 extern int                      SBX_Left, SBX_Right;
1513 extern int                      SBY_Upper, SBY_Lower;
1514 extern int                      ZX, ZY;
1515 extern int                      ExitX, ExitY;
1516 extern int                      AllPlayersGone;
1517
1518 extern int                      TimeFrames, TimePlayed, TimeLeft;
1519 extern boolean                  SiebAktiv;
1520 extern int                      SiebCount;
1521
1522 extern boolean                  network_player_action_received;
1523
1524 extern int                      graphics_action_mapping[];
1525
1526 extern struct LevelInfo         level, level_template;
1527 extern struct PlayerInfo        stored_player[], *local_player;
1528 extern struct HiScore           highscore[];
1529 extern struct TapeInfo          tape;
1530 extern struct GameInfo          game;
1531 extern struct GlobalInfo        global;
1532 extern struct MenuInfo          menu;
1533 extern struct DoorInfo          door_1, door_2;
1534 extern struct ElementInfo       element_info[];
1535 extern struct ElementActionInfo element_action_info[];
1536 extern struct ElementDirectionInfo element_direction_info[];
1537 extern struct SpecialSuffixInfo special_suffix_info[];
1538 extern struct TokenIntPtrInfo   image_config_vars[];
1539 extern struct FontInfo          font_info[];
1540 extern struct GraphicInfo      *graphic_info;
1541 extern struct SoundInfo        *sound_info;
1542 extern struct ConfigInfo        image_config[], sound_config[];
1543 extern struct ConfigInfo        image_config_suffix[], sound_config_suffix[];
1544
1545 #endif  /* MAIN_H */