1 /***********************************************************
2 * Rocks'n'Diamonds -- McDuffin Strikes Back! *
3 *----------------------------------------------------------*
4 * (c) 1995-2002 Artsoft Entertainment *
6 * Detmolder Strasse 189 *
9 * e-mail: info@artsoft.org *
10 *----------------------------------------------------------*
12 ***********************************************************/
14 #include "libgame/libgame.h"
24 /* this switch controls how rocks move horizontally */
25 #define OLD_GAME_BEHAVIOUR FALSE
27 /* EXPERIMENTAL STUFF */
28 #define USE_NEW_AMOEBA_CODE FALSE
35 /* for MoveFigure() */
36 #define MF_NO_ACTION 0
40 /* for ScrollFigure() */
42 #define SCROLL_GO_ON 1
45 #define EX_PHASE_START 0
46 #define EX_NO_EXPLOSION 0
51 /* special positions in the game control window (relative to control window) */
54 #define XX_EMERALDS 29
55 #define YY_EMERALDS 54
56 #define XX_DYNAMITE 29
57 #define YY_DYNAMITE 89
65 /* special positions in the game control window (relative to main window) */
66 #define DX_LEVEL (DX + XX_LEVEL)
67 #define DY_LEVEL (DY + YY_LEVEL)
68 #define DX_EMERALDS (DX + XX_EMERALDS)
69 #define DY_EMERALDS (DY + YY_EMERALDS)
70 #define DX_DYNAMITE (DX + XX_DYNAMITE)
71 #define DY_DYNAMITE (DY + YY_DYNAMITE)
72 #define DX_KEYS (DX + XX_KEYS)
73 #define DY_KEYS (DY + YY_KEYS)
74 #define DX_SCORE (DX + XX_SCORE)
75 #define DY_SCORE (DY + YY_SCORE)
76 #define DX_TIME (DX + XX_TIME)
77 #define DY_TIME (DY + YY_TIME)
79 /* values for initial player move delay (initial delay counter value) */
80 #define INITIAL_MOVE_DELAY_OFF -1
81 #define INITIAL_MOVE_DELAY_ON 0
83 /* values for player movement speed (which is in fact a delay value) */
84 #define MOVE_DELAY_NORMAL_SPEED 8
85 #define MOVE_DELAY_HIGH_SPEED 4
87 #define DOUBLE_MOVE_DELAY(x) (x = (x <= MOVE_DELAY_HIGH_SPEED ? x * 2 : x))
88 #define HALVE_MOVE_DELAY(x) (x = (x >= MOVE_DELAY_HIGH_SPEED ? x / 2 : x))
89 #define DOUBLE_PLAYER_SPEED(p) (HALVE_MOVE_DELAY((p)->move_delay_value))
90 #define HALVE_PLAYER_SPEED(p) (DOUBLE_MOVE_DELAY((p)->move_delay_value))
92 #define INIT_GFX_RANDOM() (SimpleRND(1000000))
94 /* game button identifiers */
95 #define GAME_CTRL_ID_STOP 0
96 #define GAME_CTRL_ID_PAUSE 1
97 #define GAME_CTRL_ID_PLAY 2
98 #define SOUND_CTRL_ID_MUSIC 3
99 #define SOUND_CTRL_ID_LOOPS 4
100 #define SOUND_CTRL_ID_SIMPLE 5
102 #define NUM_GAME_BUTTONS 6
104 /* forward declaration for internal use */
106 static void ResetGfxAnimation(int, int);
109 static void InitBeltMovement(void);
110 static void CloseAllOpenTimegates(void);
111 static void CheckGravityMovement(struct PlayerInfo *);
112 static void KillHeroUnlessProtected(int, int);
114 static void PlaySoundLevel(int, int, int);
115 static void PlaySoundLevelNearest(int, int, int);
116 static void PlaySoundLevelAction(int, int, int);
117 static void PlaySoundLevelElementAction(int, int, int, int);
119 static void MapGameButtons();
120 static void HandleGameButtons(struct GadgetInfo *);
122 static struct GadgetInfo *game_gadget[NUM_GAME_BUTTONS];
125 /* ------------------------------------------------------------------------- */
126 /* definition of elements that automatically change to other elements after */
127 /* a specified time, eventually calling a function when changing */
128 /* ------------------------------------------------------------------------- */
130 /* forward declaration for changer functions */
131 static void InitBuggyBase(int x, int y);
132 static void WarnBuggyBase(int x, int y);
134 static void InitTrap(int x, int y);
135 static void ActivateTrap(int x, int y);
136 static void ChangeActiveTrap(int x, int y);
138 static void InitRobotWheel(int x, int y);
139 static void RunRobotWheel(int x, int y);
140 static void StopRobotWheel(int x, int y);
142 static void InitTimegateWheel(int x, int y);
143 static void RunTimegateWheel(int x, int y);
145 struct ChangingElementInfo
150 void (*pre_change_function)(int x, int y);
151 void (*change_function)(int x, int y);
152 void (*post_change_function)(int x, int y);
155 static struct ChangingElementInfo changing_element_list[] =
157 { EL_NUT_CRACKING, EL_EMERALD, 6, NULL, NULL, NULL },
158 { EL_PEARL_BREAKING, EL_EMPTY, 8, NULL, NULL, NULL },
159 { EL_EXIT_OPENING, EL_EXIT_OPEN, 29, NULL, NULL, NULL },
161 { EL_SWITCHGATE_OPENING, EL_SWITCHGATE_OPEN, 29, NULL, NULL, NULL },
162 { EL_SWITCHGATE_CLOSING, EL_SWITCHGATE_CLOSED, 29, NULL, NULL, NULL },
164 { EL_TIMEGATE_OPENING, EL_TIMEGATE_OPEN, 29, NULL, NULL, NULL },
165 { EL_TIMEGATE_CLOSING, EL_TIMEGATE_CLOSED, 29, NULL, NULL, NULL },
167 { EL_ACID_SPLASH_LEFT, EL_EMPTY, 8, NULL, NULL, NULL },
168 { EL_ACID_SPLASH_RIGHT, EL_EMPTY, 8, NULL, NULL, NULL },
170 { EL_SP_BUGGY_BASE, EL_SP_BUGGY_BASE_ACTIVATING, 0,
171 InitBuggyBase, NULL, NULL },
172 { EL_SP_BUGGY_BASE_ACTIVATING,EL_SP_BUGGY_BASE_ACTIVE, 0,
173 InitBuggyBase, NULL, NULL },
174 { EL_SP_BUGGY_BASE_ACTIVE, EL_SP_BUGGY_BASE, 0,
175 InitBuggyBase, WarnBuggyBase, NULL },
177 { EL_TRAP, EL_TRAP_ACTIVE, 0,
178 InitTrap, NULL, ActivateTrap },
179 { EL_TRAP_ACTIVE, EL_TRAP, 31,
180 NULL, ChangeActiveTrap, NULL },
182 { EL_ROBOT_WHEEL_ACTIVE, EL_ROBOT_WHEEL, 0,
183 InitRobotWheel, RunRobotWheel, StopRobotWheel },
185 { EL_TIMEGATE_SWITCH_ACTIVE, EL_TIMEGATE_SWITCH, 0,
186 InitTimegateWheel, RunTimegateWheel, NULL },
188 { EL_UNDEFINED, EL_UNDEFINED, -1, NULL }
191 static struct ChangingElementInfo changing_element[MAX_NUM_ELEMENTS];
193 #define IS_AUTO_CHANGING(e) (changing_element[e].base_element != EL_UNDEFINED)
196 void GetPlayerConfig()
198 if (!audio.sound_available)
201 if (!audio.loops_available)
202 setup.sound_loops = FALSE;
204 if (!audio.music_available)
205 setup.sound_music = FALSE;
207 if (!video.fullscreen_available)
208 setup.fullscreen = FALSE;
210 setup.sound_simple = setup.sound;
212 SetAudioMode(setup.sound);
216 static int getBeltNrFromBeltElement(int element)
218 return (element < EL_CONVEYOR_BELT2_LEFT ? 0 :
219 element < EL_CONVEYOR_BELT3_LEFT ? 1 :
220 element < EL_CONVEYOR_BELT4_LEFT ? 2 : 3);
223 static int getBeltNrFromBeltActiveElement(int element)
225 return (element < EL_CONVEYOR_BELT2_LEFT_ACTIVE ? 0 :
226 element < EL_CONVEYOR_BELT3_LEFT_ACTIVE ? 1 :
227 element < EL_CONVEYOR_BELT4_LEFT_ACTIVE ? 2 : 3);
230 static int getBeltNrFromBeltSwitchElement(int element)
232 return (element < EL_CONVEYOR_BELT2_SWITCH_LEFT ? 0 :
233 element < EL_CONVEYOR_BELT3_SWITCH_LEFT ? 1 :
234 element < EL_CONVEYOR_BELT4_SWITCH_LEFT ? 2 : 3);
237 static int getBeltDirNrFromBeltSwitchElement(int element)
239 static int belt_base_element[4] =
241 EL_CONVEYOR_BELT1_SWITCH_LEFT,
242 EL_CONVEYOR_BELT2_SWITCH_LEFT,
243 EL_CONVEYOR_BELT3_SWITCH_LEFT,
244 EL_CONVEYOR_BELT4_SWITCH_LEFT
247 int belt_nr = getBeltNrFromBeltSwitchElement(element);
248 int belt_dir_nr = element - belt_base_element[belt_nr];
250 return (belt_dir_nr % 3);
253 static int getBeltDirFromBeltSwitchElement(int element)
255 static int belt_move_dir[3] =
262 int belt_dir_nr = getBeltDirNrFromBeltSwitchElement(element);
264 return belt_move_dir[belt_dir_nr];
267 static void InitField(int x, int y, boolean init_game)
274 if (stored_player[0].present)
276 Feld[x][y] = EL_SP_MURPHY_CLONE;
280 Feld[x][y] = EL_PLAYER1;
289 struct PlayerInfo *player = &stored_player[Feld[x][y] - EL_PLAYER1];
290 int jx = player->jx, jy = player->jy;
292 player->present = TRUE;
294 if (!options.network || player->connected)
296 player->active = TRUE;
298 /* remove potentially duplicate players */
299 if (StorePlayer[jx][jy] == Feld[x][y])
300 StorePlayer[jx][jy] = 0;
302 StorePlayer[x][y] = Feld[x][y];
306 printf("Player %d activated.\n", player->element_nr);
307 printf("[Local player is %d and currently %s.]\n",
308 local_player->element_nr,
309 local_player->active ? "active" : "not active");
313 Feld[x][y] = EL_EMPTY;
314 player->jx = player->last_jx = x;
315 player->jy = player->last_jy = y;
320 if (x < lev_fieldx-1 && Feld[x+1][y] == EL_ACID)
321 Feld[x][y] = EL_ACIDPOOL_TOPLEFT;
322 else if (x > 0 && Feld[x-1][y] == EL_ACID)
323 Feld[x][y] = EL_ACIDPOOL_TOPRIGHT;
324 else if (y > 0 && Feld[x][y-1] == EL_ACIDPOOL_TOPLEFT)
325 Feld[x][y] = EL_ACIDPOOL_BOTTOMLEFT;
326 else if (y > 0 && Feld[x][y-1] == EL_ACID)
327 Feld[x][y] = EL_ACIDPOOL_BOTTOM;
328 else if (y > 0 && Feld[x][y-1] == EL_ACIDPOOL_TOPRIGHT)
329 Feld[x][y] = EL_ACIDPOOL_BOTTOMRIGHT;
337 case EL_SPACESHIP_RIGHT:
338 case EL_SPACESHIP_UP:
339 case EL_SPACESHIP_LEFT:
340 case EL_SPACESHIP_DOWN:
342 case EL_BD_BUTTERFLY_RIGHT:
343 case EL_BD_BUTTERFLY_UP:
344 case EL_BD_BUTTERFLY_LEFT:
345 case EL_BD_BUTTERFLY_DOWN:
346 case EL_BD_BUTTERFLY:
347 case EL_BD_FIREFLY_RIGHT:
348 case EL_BD_FIREFLY_UP:
349 case EL_BD_FIREFLY_LEFT:
350 case EL_BD_FIREFLY_DOWN:
352 case EL_PACMAN_RIGHT:
376 if (y == lev_fieldy - 1)
378 Feld[x][y] = EL_AMOEBA_CREATING;
379 Store[x][y] = EL_AMOEBA_WET;
383 case EL_DYNAMITE_ACTIVE:
388 local_player->lights_still_needed++;
391 case EL_SOKOBAN_FIELD_EMPTY:
392 local_player->sokobanfields_still_needed++;
396 local_player->friends_still_needed++;
401 MovDir[x][y] = 1 << RND(4);
405 Feld[x][y] = EL_EMPTY;
408 case EL_EM_KEY1_FILE:
409 Feld[x][y] = EL_EM_KEY1;
411 case EL_EM_KEY2_FILE:
412 Feld[x][y] = EL_EM_KEY2;
414 case EL_EM_KEY3_FILE:
415 Feld[x][y] = EL_EM_KEY3;
417 case EL_EM_KEY4_FILE:
418 Feld[x][y] = EL_EM_KEY4;
421 case EL_CONVEYOR_BELT1_SWITCH_LEFT:
422 case EL_CONVEYOR_BELT1_SWITCH_MIDDLE:
423 case EL_CONVEYOR_BELT1_SWITCH_RIGHT:
424 case EL_CONVEYOR_BELT2_SWITCH_LEFT:
425 case EL_CONVEYOR_BELT2_SWITCH_MIDDLE:
426 case EL_CONVEYOR_BELT2_SWITCH_RIGHT:
427 case EL_CONVEYOR_BELT3_SWITCH_LEFT:
428 case EL_CONVEYOR_BELT3_SWITCH_MIDDLE:
429 case EL_CONVEYOR_BELT3_SWITCH_RIGHT:
430 case EL_CONVEYOR_BELT4_SWITCH_LEFT:
431 case EL_CONVEYOR_BELT4_SWITCH_MIDDLE:
432 case EL_CONVEYOR_BELT4_SWITCH_RIGHT:
435 int belt_nr = getBeltNrFromBeltSwitchElement(Feld[x][y]);
436 int belt_dir = getBeltDirFromBeltSwitchElement(Feld[x][y]);
437 int belt_dir_nr = getBeltDirNrFromBeltSwitchElement(Feld[x][y]);
439 if (game.belt_dir_nr[belt_nr] == 3) /* initial value */
441 game.belt_dir[belt_nr] = belt_dir;
442 game.belt_dir_nr[belt_nr] = belt_dir_nr;
444 else /* more than one switch -- set it like the first switch */
446 Feld[x][y] = Feld[x][y] - belt_dir_nr + game.belt_dir_nr[belt_nr];
451 case EL_SWITCHGATE_SWITCH_DOWN: /* always start with same switch pos */
453 Feld[x][y] = EL_SWITCHGATE_SWITCH_UP;
456 case EL_LIGHT_SWITCH_ACTIVE:
458 game.light_time_left = level.time_light * FRAMES_PER_SECOND;
466 void DrawGameDoorValues()
470 for (i=0; i<MAX_PLAYERS; i++)
472 if (stored_player[i].key[j])
473 DrawMiniGraphicExt(drawto, DX_KEYS + j * MINI_TILEX, DY_KEYS,
476 DrawText(DX + XX_EMERALDS, DY + YY_EMERALDS,
477 int2str(local_player->gems_still_needed, 3), FS_SMALL, FC_YELLOW);
478 DrawText(DX + XX_DYNAMITE, DY + YY_DYNAMITE,
479 int2str(local_player->dynamite, 3), FS_SMALL, FC_YELLOW);
480 DrawText(DX + XX_SCORE, DY + YY_SCORE,
481 int2str(local_player->score, 5), FS_SMALL, FC_YELLOW);
482 DrawText(DX + XX_TIME, DY + YY_TIME,
483 int2str(TimeLeft, 3), FS_SMALL, FC_YELLOW);
488 =============================================================================
490 -----------------------------------------------------------------------------
491 initialize game engine due to level / tape version number
492 =============================================================================
495 static void InitGameEngine()
499 game.engine_version = (tape.playing ? tape.engine_version :
503 printf("level %d: level version == %06d\n", level_nr, level.game_version);
504 printf(" tape version == %06d [%s] [file: %06d]\n",
505 tape.engine_version, (tape.playing ? "PLAYING" : "RECORDING"),
507 printf(" => game.engine_version == %06d\n", game.engine_version);
510 /* dynamically adjust player properties according to game engine version */
511 game.initial_move_delay =
512 (game.engine_version <= VERSION_IDENT(2,0,1) ? INITIAL_MOVE_DELAY_ON :
513 INITIAL_MOVE_DELAY_OFF);
515 /* dynamically adjust player properties according to level information */
516 game.initial_move_delay_value =
517 (level.double_speed ? MOVE_DELAY_HIGH_SPEED : MOVE_DELAY_NORMAL_SPEED);
519 /* dynamically adjust element properties according to game engine version */
521 static int ep_em_slippery_wall[] =
530 static int ep_em_slippery_wall_num = SIZEOF_ARRAY_INT(ep_em_slippery_wall);
532 for (i=0; i<ep_em_slippery_wall_num; i++)
534 if (level.em_slippery_gems) /* special EM style gems behaviour */
535 Properties2[ep_em_slippery_wall[i]] |=
536 EP_BIT_EM_SLIPPERY_WALL;
538 Properties2[ep_em_slippery_wall[i]] &=
539 ~EP_BIT_EM_SLIPPERY_WALL;
542 /* "EL_WALL_GROWING_ACTIVE" wasn't slippery for EM gems in version 2.0.1 */
543 if (level.em_slippery_gems && game.engine_version > VERSION_IDENT(2,0,1))
544 Properties2[EL_WALL_GROWING_ACTIVE] |= EP_BIT_EM_SLIPPERY_WALL;
546 Properties2[EL_WALL_GROWING_ACTIVE] &=~EP_BIT_EM_SLIPPERY_WALL;
549 /* initialize changing elements information */
550 for (i=0; i<MAX_NUM_ELEMENTS; i++)
552 changing_element[i].base_element = EL_UNDEFINED;
553 changing_element[i].next_element = EL_UNDEFINED;
554 changing_element[i].change_delay = -1;
555 changing_element[i].pre_change_function = NULL;
556 changing_element[i].change_function = NULL;
557 changing_element[i].post_change_function = NULL;
561 while (changing_element_list[i].base_element != EL_UNDEFINED)
563 struct ChangingElementInfo *ce = &changing_element_list[i];
564 int element = ce->base_element;
566 changing_element[element].base_element = ce->base_element;
567 changing_element[element].next_element = ce->next_element;
568 changing_element[element].change_delay = ce->change_delay;
569 changing_element[element].pre_change_function = ce->pre_change_function;
570 changing_element[element].change_function = ce->change_function;
571 changing_element[element].post_change_function = ce->post_change_function;
579 =============================================================================
581 -----------------------------------------------------------------------------
582 initialize and start new game
583 =============================================================================
588 boolean emulate_bd = TRUE; /* unless non-BOULDERDASH elements found */
589 boolean emulate_sb = TRUE; /* unless non-SOKOBAN elements found */
590 boolean emulate_sp = TRUE; /* unless non-SUPAPLEX elements found */
597 #if USE_NEW_AMOEBA_CODE
598 printf("Using new amoeba code.\n");
600 printf("Using old amoeba code.\n");
605 /* don't play tapes over network */
606 network_playing = (options.network && !tape.playing);
608 for (i=0; i<MAX_PLAYERS; i++)
610 struct PlayerInfo *player = &stored_player[i];
612 player->index_nr = i;
613 player->element_nr = EL_PLAYER1 + i;
615 player->present = FALSE;
616 player->active = FALSE;
619 player->effective_action = 0;
620 player->programmed_action = 0;
623 player->gems_still_needed = level.gems_needed;
624 player->sokobanfields_still_needed = 0;
625 player->lights_still_needed = 0;
626 player->friends_still_needed = 0;
629 player->key[j] = FALSE;
631 player->dynamite = 0;
632 player->dynabomb_count = 0;
633 player->dynabomb_size = 1;
634 player->dynabombs_left = 0;
635 player->dynabomb_xl = FALSE;
637 player->MovDir = MV_NO_MOVING;
639 player->Pushing = FALSE;
640 player->Switching = FALSE;
644 player->actual_frame_counter = 0;
646 player->frame_reset_delay = 0;
648 player->last_move_dir = MV_NO_MOVING;
649 player->is_moving = FALSE;
651 player->move_delay = game.initial_move_delay;
652 player->move_delay_value = game.initial_move_delay_value;
654 player->push_delay = 0;
655 player->push_delay_value = 5;
657 player->snapped = FALSE;
659 player->last_jx = player->last_jy = 0;
660 player->jx = player->jy = 0;
662 player->shield_normal_time_left = 0;
663 player->shield_deadly_time_left = 0;
665 DigField(player, 0, 0, 0, 0, DF_NO_PUSH);
666 SnapField(player, 0, 0);
668 player->LevelSolved = FALSE;
669 player->GameOver = FALSE;
672 network_player_action_received = FALSE;
674 #if defined(PLATFORM_UNIX)
675 /* initial null action */
677 SendToServer_MovePlayer(MV_NO_MOVING);
685 TimeLeft = level.time;
687 ScreenMovDir = MV_NO_MOVING;
691 ScrollStepSize = 0; /* will be correctly initialized by ScrollScreen() */
693 AllPlayersGone = FALSE;
695 game.yam_content_nr = 0;
696 game.magic_wall_active = FALSE;
697 game.magic_wall_time_left = 0;
698 game.light_time_left = 0;
699 game.timegate_time_left = 0;
700 game.switchgate_pos = 0;
701 game.balloon_dir = MV_NO_MOVING;
702 game.explosions_delayed = TRUE;
706 game.belt_dir[i] = MV_NO_MOVING;
707 game.belt_dir_nr[i] = 3; /* not moving, next moving left */
710 for (i=0; i<MAX_NUM_AMOEBA; i++)
711 AmoebaCnt[i] = AmoebaCnt2[i] = 0;
713 for (x=0; x<lev_fieldx; x++)
715 for (y=0; y<lev_fieldy; y++)
717 Feld[x][y] = Ur[x][y];
718 MovPos[x][y] = MovDir[x][y] = MovDelay[x][y] = 0;
719 Store[x][y] = Store2[x][y] = StorePlayer[x][y] = 0;
721 JustStopped[x][y] = 0;
723 ExplodePhase[x][y] = 0;
724 ExplodeField[x][y] = EX_NO_EXPLOSION;
727 GfxAction[x][y] = ACTION_DEFAULT;
728 GfxRandom[x][y] = INIT_GFX_RANDOM();
732 for(y=0; y<lev_fieldy; y++)
734 for(x=0; x<lev_fieldx; x++)
736 if (emulate_bd && !IS_BD_ELEMENT(Feld[x][y]))
738 if (emulate_sb && !IS_SB_ELEMENT(Feld[x][y]))
740 if (emulate_sp && !IS_SP_ELEMENT(Feld[x][y]))
743 InitField(x, y, TRUE);
749 game.emulation = (emulate_bd ? EMU_BOULDERDASH :
750 emulate_sb ? EMU_SOKOBAN :
751 emulate_sp ? EMU_SUPAPLEX : EMU_NONE);
753 /* correct non-moving belts to start moving left */
755 if (game.belt_dir[i] == MV_NO_MOVING)
756 game.belt_dir_nr[i] = 3; /* not moving, next moving left */
758 /* check if any connected player was not found in playfield */
759 for (i=0; i<MAX_PLAYERS; i++)
761 struct PlayerInfo *player = &stored_player[i];
763 if (player->connected && !player->present)
765 for (j=0; j<MAX_PLAYERS; j++)
767 struct PlayerInfo *some_player = &stored_player[j];
768 int jx = some_player->jx, jy = some_player->jy;
770 /* assign first free player found that is present in the playfield */
771 if (some_player->present && !some_player->connected)
773 player->present = TRUE;
774 player->active = TRUE;
775 some_player->present = FALSE;
777 StorePlayer[jx][jy] = player->element_nr;
778 player->jx = player->last_jx = jx;
779 player->jy = player->last_jy = jy;
789 /* when playing a tape, eliminate all players who do not participate */
791 for (i=0; i<MAX_PLAYERS; i++)
793 if (stored_player[i].active && !tape.player_participates[i])
795 struct PlayerInfo *player = &stored_player[i];
796 int jx = player->jx, jy = player->jy;
798 player->active = FALSE;
799 StorePlayer[jx][jy] = 0;
800 Feld[jx][jy] = EL_EMPTY;
804 else if (!options.network && !setup.team_mode) /* && !tape.playing */
806 /* when in single player mode, eliminate all but the first active player */
808 for (i=0; i<MAX_PLAYERS; i++)
810 if (stored_player[i].active)
812 for (j=i+1; j<MAX_PLAYERS; j++)
814 if (stored_player[j].active)
816 struct PlayerInfo *player = &stored_player[j];
817 int jx = player->jx, jy = player->jy;
819 player->active = FALSE;
820 StorePlayer[jx][jy] = 0;
821 Feld[jx][jy] = EL_EMPTY;
828 /* when recording the game, store which players take part in the game */
831 for (i=0; i<MAX_PLAYERS; i++)
832 if (stored_player[i].active)
833 tape.player_participates[i] = TRUE;
838 for (i=0; i<MAX_PLAYERS; i++)
840 struct PlayerInfo *player = &stored_player[i];
842 printf("Player %d: present == %d, connected == %d, active == %d.\n",
847 if (local_player == player)
848 printf("Player %d is local player.\n", i+1);
852 if (BorderElement == EL_EMPTY)
855 SBX_Right = lev_fieldx - SCR_FIELDX;
857 SBY_Lower = lev_fieldy - SCR_FIELDY;
862 SBX_Right = lev_fieldx - SCR_FIELDX + 1;
864 SBY_Lower = lev_fieldy - SCR_FIELDY + 1;
867 if (lev_fieldx + (SBX_Left == -1 ? 2 : 0) <= SCR_FIELDX)
868 SBX_Left = SBX_Right = -1 * (SCR_FIELDX - lev_fieldx) / 2;
870 if (lev_fieldy + (SBY_Upper == -1 ? 2 : 0) <= SCR_FIELDY)
871 SBY_Upper = SBY_Lower = -1 * (SCR_FIELDY - lev_fieldy) / 2;
874 scroll_y = SBY_Upper;
875 if (local_player->jx >= SBX_Left + MIDPOSX)
876 scroll_x = (local_player->jx <= SBX_Right + MIDPOSX ?
877 local_player->jx - MIDPOSX :
879 if (local_player->jy >= SBY_Upper + MIDPOSY)
880 scroll_y = (local_player->jy <= SBY_Lower + MIDPOSY ?
881 local_player->jy - MIDPOSY :
884 CloseDoor(DOOR_CLOSE_1);
889 /* after drawing the level, correct some elements */
890 if (game.timegate_time_left == 0)
891 CloseAllOpenTimegates();
893 if (setup.soft_scrolling)
894 BlitBitmap(fieldbuffer, backbuffer, FX, FY, SXSIZE, SYSIZE, SX, SY);
896 redraw_mask |= REDRAW_FROM_BACKBUFFER;
899 /* copy default game door content to main double buffer */
900 BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
901 DOOR_GFX_PAGEX5, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
904 DrawText(DX + XX_LEVEL, DY + YY_LEVEL,
905 int2str(level_nr, 2), FS_SMALL, FC_YELLOW);
908 DrawTextExt(drawto, DX + XX_EMERALDS, DY + YY_EMERALDS,
909 int2str(level_nr, 3), FS_SMALL, FC_SPECIAL3, FONT_OPAQUE);
910 BlitBitmap(drawto, drawto,
911 DX + XX_EMERALDS, DY + YY_EMERALDS + 1,
912 FONT5_XSIZE * 3, FONT5_YSIZE - 1,
913 DX + XX_LEVEL - 1, DY + YY_LEVEL + 1);
916 DrawGameDoorValues();
920 game_gadget[SOUND_CTRL_ID_MUSIC]->checked = setup.sound_music;
921 game_gadget[SOUND_CTRL_ID_LOOPS]->checked = setup.sound_loops;
922 game_gadget[SOUND_CTRL_ID_SIMPLE]->checked = setup.sound_simple;
926 /* copy actual game door content to door double buffer for OpenDoor() */
927 BlitBitmap(drawto, bitmap_db_door,
928 DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
930 OpenDoor(DOOR_OPEN_ALL);
932 PlaySoundStereo(SND_GAME_STARTING, SOUND_MAX_RIGHT);
933 if (setup.sound_music)
936 KeyboardAutoRepeatOff();
941 printf("Player %d %sactive.\n",
942 i + 1, (stored_player[i].active ? "" : "not "));
946 void InitMovDir(int x, int y)
948 int i, element = Feld[x][y];
949 static int xy[4][2] =
956 static int direction[3][4] =
958 { MV_RIGHT, MV_UP, MV_LEFT, MV_DOWN },
959 { MV_LEFT, MV_DOWN, MV_RIGHT, MV_UP },
960 { MV_LEFT, MV_RIGHT, MV_UP, MV_DOWN }
970 MovDir[x][y] = direction[0][element - EL_BUG_RIGHT];
973 case EL_SPACESHIP_RIGHT:
974 case EL_SPACESHIP_UP:
975 case EL_SPACESHIP_LEFT:
976 case EL_SPACESHIP_DOWN:
977 Feld[x][y] = EL_SPACESHIP;
978 MovDir[x][y] = direction[0][element - EL_SPACESHIP_RIGHT];
981 case EL_BD_BUTTERFLY_RIGHT:
982 case EL_BD_BUTTERFLY_UP:
983 case EL_BD_BUTTERFLY_LEFT:
984 case EL_BD_BUTTERFLY_DOWN:
985 Feld[x][y] = EL_BD_BUTTERFLY;
986 MovDir[x][y] = direction[0][element - EL_BD_BUTTERFLY_RIGHT];
989 case EL_BD_FIREFLY_RIGHT:
990 case EL_BD_FIREFLY_UP:
991 case EL_BD_FIREFLY_LEFT:
992 case EL_BD_FIREFLY_DOWN:
993 Feld[x][y] = EL_BD_FIREFLY;
994 MovDir[x][y] = direction[0][element - EL_BD_FIREFLY_RIGHT];
997 case EL_PACMAN_RIGHT:
1000 case EL_PACMAN_DOWN:
1001 Feld[x][y] = EL_PACMAN;
1002 MovDir[x][y] = direction[0][element - EL_PACMAN_RIGHT];
1005 case EL_SP_SNIKSNAK:
1006 MovDir[x][y] = MV_UP;
1009 case EL_SP_ELECTRON:
1010 MovDir[x][y] = MV_LEFT;
1017 Feld[x][y] = EL_MOLE;
1018 MovDir[x][y] = direction[2][element - EL_MOLE_LEFT];
1022 MovDir[x][y] = 1 << RND(4);
1023 if (element != EL_BUG &&
1024 element != EL_SPACESHIP &&
1025 element != EL_BD_BUTTERFLY &&
1026 element != EL_BD_FIREFLY)
1031 int x1 = x + xy[i][0];
1032 int y1 = y + xy[i][1];
1034 if (!IN_LEV_FIELD(x1, y1) || !IS_FREE(x1, y1))
1036 if (element == EL_BUG || element == EL_BD_BUTTERFLY)
1038 MovDir[x][y] = direction[0][i];
1041 else if (element == EL_SPACESHIP || element == EL_BD_FIREFLY ||
1042 element == EL_SP_SNIKSNAK || element == EL_SP_ELECTRON)
1044 MovDir[x][y] = direction[1][i];
1053 void InitAmoebaNr(int x, int y)
1056 int group_nr = AmoebeNachbarNr(x, y);
1060 for (i=1; i<MAX_NUM_AMOEBA; i++)
1062 if (AmoebaCnt[i] == 0)
1070 AmoebaNr[x][y] = group_nr;
1071 AmoebaCnt[group_nr]++;
1072 AmoebaCnt2[group_nr]++;
1078 boolean raise_level = FALSE;
1080 if (local_player->MovPos)
1083 if (tape.playing && tape.auto_play)
1084 tape.auto_play_level_solved = TRUE;
1086 local_player->LevelSolved = FALSE;
1088 PlaySoundStereo(SND_GAME_WINNING, SOUND_MAX_RIGHT);
1092 if (!tape.playing && setup.sound_loops)
1093 PlaySoundExt(SND_GAME_LEVELTIME_BONUS, SOUND_MAX_VOLUME, SOUND_MAX_RIGHT,
1094 SND_CTRL_PLAY_LOOP);
1096 while (TimeLeft > 0)
1098 if (!tape.playing && !setup.sound_loops)
1099 PlaySoundStereo(SND_GAME_LEVELTIME_BONUS, SOUND_MAX_RIGHT);
1100 if (TimeLeft > 0 && !(TimeLeft % 10))
1101 RaiseScore(level.score[SC_ZEITBONUS]);
1102 if (TimeLeft > 100 && !(TimeLeft % 10))
1106 DrawText(DX_TIME, DY_TIME, int2str(TimeLeft, 3), FS_SMALL, FC_YELLOW);
1113 if (!tape.playing && setup.sound_loops)
1114 StopSound(SND_GAME_LEVELTIME_BONUS);
1116 else if (level.time == 0) /* level without time limit */
1118 if (!tape.playing && setup.sound_loops)
1119 PlaySoundExt(SND_GAME_LEVELTIME_BONUS, SOUND_MAX_VOLUME, SOUND_MAX_RIGHT,
1120 SND_CTRL_PLAY_LOOP);
1122 while (TimePlayed < 999)
1124 if (!tape.playing && !setup.sound_loops)
1125 PlaySoundStereo(SND_GAME_LEVELTIME_BONUS, SOUND_MAX_RIGHT);
1126 if (TimePlayed < 999 && !(TimePlayed % 10))
1127 RaiseScore(level.score[SC_ZEITBONUS]);
1128 if (TimePlayed < 900 && !(TimePlayed % 10))
1132 DrawText(DX_TIME, DY_TIME, int2str(TimePlayed, 3), FS_SMALL, FC_YELLOW);
1139 if (!tape.playing && setup.sound_loops)
1140 StopSound(SND_GAME_LEVELTIME_BONUS);
1147 /* Hero disappears */
1148 DrawLevelField(ExitX, ExitY);
1154 CloseDoor(DOOR_CLOSE_1);
1159 SaveTape(tape.level_nr); /* Ask to save tape */
1162 if (level_nr == leveldir_current->handicap_level)
1164 leveldir_current->handicap_level++;
1165 SaveLevelSetup_SeriesInfo();
1168 if (level_editor_test_game)
1169 local_player->score = -1; /* no highscore when playing from editor */
1170 else if (level_nr < leveldir_current->last_level)
1171 raise_level = TRUE; /* advance to next level */
1173 if ((hi_pos = NewHiScore()) >= 0)
1175 game_status = HALLOFFAME;
1176 DrawHallOfFame(hi_pos);
1185 game_status = MAINMENU;
1202 LoadScore(level_nr);
1204 if (strcmp(setup.player_name, EMPTY_PLAYER_NAME) == 0 ||
1205 local_player->score < highscore[MAX_SCORE_ENTRIES - 1].Score)
1208 for (k=0; k<MAX_SCORE_ENTRIES; k++)
1210 if (local_player->score > highscore[k].Score)
1212 /* player has made it to the hall of fame */
1214 if (k < MAX_SCORE_ENTRIES - 1)
1216 int m = MAX_SCORE_ENTRIES - 1;
1219 for (l=k; l<MAX_SCORE_ENTRIES; l++)
1220 if (!strcmp(setup.player_name, highscore[l].Name))
1222 if (m == k) /* player's new highscore overwrites his old one */
1228 strcpy(highscore[l].Name, highscore[l - 1].Name);
1229 highscore[l].Score = highscore[l - 1].Score;
1236 strncpy(highscore[k].Name, setup.player_name, MAX_PLAYER_NAME_LEN);
1237 highscore[k].Name[MAX_PLAYER_NAME_LEN] = '\0';
1238 highscore[k].Score = local_player->score;
1244 else if (!strncmp(setup.player_name, highscore[k].Name,
1245 MAX_PLAYER_NAME_LEN))
1246 break; /* player already there with a higher score */
1252 SaveScore(level_nr);
1257 static void ResetRandomAnimationValue(int x, int y)
1259 GfxRandom[x][y] = INIT_GFX_RANDOM();
1262 static void ResetGfxAnimation(int x, int y)
1266 int element = Feld[x][y];
1267 int graphic = el2img(element);
1269 /* reset random value not until one full delay cycle was reached */
1270 if (ANIM_MODE(graphic) == ANIM_RANDOM &&
1271 GfxFrame[x][y] > ANIM_DELAY(graphic))
1273 ResetRandomAnimationValue(x, y);
1277 GfxAction[x][y] = ACTION_DEFAULT;
1280 if (Feld[x][y] == EL_ROCK)
1281 printf("ResetGfxAnimation: EL_ROCK [%d, %d]\n",
1282 JustStopped[x][y], MovDir[x][y]);
1286 void InitMovingField(int x, int y, int direction)
1288 int element = Feld[x][y];
1289 int newx = x + (direction == MV_LEFT ? -1 : direction == MV_RIGHT ? +1 : 0);
1290 int newy = y + (direction == MV_UP ? -1 : direction == MV_DOWN ? +1 : 0);
1292 if (!JustStopped[x][y] || direction != MovDir[x][y])
1293 ResetGfxAnimation(x, y);
1295 MovDir[newx][newy] = MovDir[x][y] = direction;
1297 if (Feld[newx][newy] == EL_EMPTY)
1298 Feld[newx][newy] = EL_BLOCKED;
1300 if (direction == MV_DOWN && CAN_FALL(element))
1301 GfxAction[x][y] = ACTION_FALLING;
1303 GfxAction[x][y] = ACTION_MOVING;
1305 GfxFrame[newx][newy] = GfxFrame[x][y];
1306 GfxAction[newx][newy] = GfxAction[x][y];
1307 GfxRandom[newx][newy] = GfxRandom[x][y];
1310 void Moving2Blocked(int x, int y, int *goes_to_x, int *goes_to_y)
1312 int direction = MovDir[x][y];
1313 int newx = x + (direction == MV_LEFT ? -1 : direction == MV_RIGHT ? +1 : 0);
1314 int newy = y + (direction == MV_UP ? -1 : direction == MV_DOWN ? +1 : 0);
1320 void Blocked2Moving(int x, int y, int *comes_from_x, int *comes_from_y)
1322 int oldx = x, oldy = y;
1323 int direction = MovDir[x][y];
1325 if (direction == MV_LEFT)
1327 else if (direction == MV_RIGHT)
1329 else if (direction == MV_UP)
1331 else if (direction == MV_DOWN)
1334 *comes_from_x = oldx;
1335 *comes_from_y = oldy;
1338 int MovingOrBlocked2Element(int x, int y)
1340 int element = Feld[x][y];
1342 if (element == EL_BLOCKED)
1346 Blocked2Moving(x, y, &oldx, &oldy);
1347 return Feld[oldx][oldy];
1353 static int MovingOrBlocked2ElementIfNotLeaving(int x, int y)
1355 /* like MovingOrBlocked2Element(), but if element is moving
1356 and (x,y) is the field the moving element is just leaving,
1357 return EL_BLOCKED instead of the element value */
1358 int element = Feld[x][y];
1360 if (IS_MOVING(x, y))
1362 if (element == EL_BLOCKED)
1366 Blocked2Moving(x, y, &oldx, &oldy);
1367 return Feld[oldx][oldy];
1376 static void RemoveField(int x, int y)
1378 Feld[x][y] = EL_EMPTY;
1384 void RemoveMovingField(int x, int y)
1386 int oldx = x, oldy = y, newx = x, newy = y;
1388 if (Feld[x][y] != EL_BLOCKED && !IS_MOVING(x, y))
1391 if (IS_MOVING(x, y))
1393 Moving2Blocked(x, y, &newx, &newy);
1394 if (Feld[newx][newy] != EL_BLOCKED)
1397 else if (Feld[x][y] == EL_BLOCKED)
1399 Blocked2Moving(x, y, &oldx, &oldy);
1400 if (!IS_MOVING(oldx, oldy))
1404 if (Feld[x][y] == EL_BLOCKED &&
1405 (Feld[oldx][oldy] == EL_QUICKSAND_EMPTYING ||
1406 Feld[oldx][oldy] == EL_MAGIC_WALL_EMPTYING ||
1407 Feld[oldx][oldy] == EL_BD_MAGIC_WALL_EMPTYING ||
1408 Feld[oldx][oldy] == EL_AMOEBA_DRIPPING))
1409 Feld[oldx][oldy] = get_next_element(Feld[oldx][oldy]);
1411 Feld[oldx][oldy] = EL_EMPTY;
1413 Store[oldx][oldy] = Store2[oldx][oldy] = 0;
1415 Feld[newx][newy] = EL_EMPTY;
1416 MovPos[oldx][oldy] = MovDir[oldx][oldy] = MovDelay[oldx][oldy] = 0;
1417 MovPos[newx][newy] = MovDir[newx][newy] = MovDelay[newx][newy] = 0;
1418 GfxAction[oldx][oldy] = GfxAction[newx][newy] = ACTION_DEFAULT;
1420 DrawLevelField(oldx, oldy);
1421 DrawLevelField(newx, newy);
1424 void DrawDynamite(int x, int y)
1426 int sx = SCREENX(x), sy = SCREENY(y);
1427 int graphic = el2img(Feld[x][y]);
1430 if (!IN_SCR_FIELD(sx, sy) || IS_PLAYER(x, y))
1434 DrawGraphic(sx, sy, el2img(Store[x][y]), 0);
1436 frame = getGraphicAnimationFrame(graphic, GfxFrame[x][y]);
1438 if (game.emulation == EMU_SUPAPLEX)
1439 DrawGraphic(sx, sy, IMG_SP_DISK_RED, frame);
1440 else if (Store[x][y])
1441 DrawGraphicThruMask(sx, sy, graphic, frame);
1443 DrawGraphic(sx, sy, graphic, frame);
1446 void CheckDynamite(int x, int y)
1448 if (MovDelay[x][y] != 0) /* dynamite is still waiting to explode */
1452 if (MovDelay[x][y] != 0)
1456 /* !!! correct: "PlaySoundLevelActionIfLoop" etc. !!! */
1457 PlaySoundLevelAction(x, y, ACTION_ACTIVE);
1463 if (Feld[x][y] == EL_DYNAMITE_ACTIVE)
1464 StopSound(SND_DYNAMITE_ACTIVE);
1466 StopSound(SND_DYNABOMB_ACTIVE);
1471 void Explode(int ex, int ey, int phase, int mode)
1475 int delay = (game.emulation == EMU_SUPAPLEX ? 3 : 2);
1476 int last_phase = num_phase * delay;
1477 int half_phase = (num_phase / 2) * delay;
1478 int first_phase_after_start = EX_PHASE_START + 1;
1480 if (game.explosions_delayed)
1482 ExplodeField[ex][ey] = mode;
1486 if (phase == EX_PHASE_START) /* initialize 'Store[][]' field */
1488 int center_element = Feld[ex][ey];
1490 if (IS_MOVING(ex, ey) || IS_BLOCKED(ex, ey))
1492 /* put moving element to center field (and let it explode there) */
1493 center_element = MovingOrBlocked2Element(ex, ey);
1494 RemoveMovingField(ex, ey);
1495 Feld[ex][ey] = center_element;
1498 for (y=ey-1; y<=ey+1; y++) for(x=ex-1; x<=ex+1; x++)
1502 if (!IN_LEV_FIELD(x, y) ||
1503 ((mode != EX_NORMAL || center_element == EL_AMOEBA_TO_DIAMOND) &&
1504 (x != ex || y != ey)))
1507 element = Feld[x][y];
1509 if (IS_MOVING(x, y) || IS_BLOCKED(x, y))
1511 element = MovingOrBlocked2Element(x, y);
1512 RemoveMovingField(x, y);
1515 if (IS_MASSIVE(element) || element == EL_FLAMES)
1518 if (IS_PLAYER(x, y) && SHIELD_ON(PLAYERINFO(x, y)))
1520 if (IS_ACTIVE_BOMB(element))
1522 /* re-activate things under the bomb like gate or penguin */
1523 Feld[x][y] = (Store[x][y] ? Store[x][y] : EL_EMPTY);
1530 if (element == EL_EXPLOSION)
1531 element = Store2[x][y];
1533 if (IS_PLAYER(ex, ey) && !PLAYER_PROTECTED(ex, ey))
1535 switch(StorePlayer[ex][ey])
1538 Store[x][y] = EL_EMERALD_RED;
1541 Store[x][y] = EL_EMERALD;
1544 Store[x][y] = EL_EMERALD_PURPLE;
1548 Store[x][y] = EL_EMERALD_YELLOW;
1552 if (game.emulation == EMU_SUPAPLEX)
1553 Store[x][y] = EL_EMPTY;
1555 else if (center_element == EL_MOLE)
1556 Store[x][y] = EL_EMERALD_RED;
1557 else if (center_element == EL_PENGUIN)
1558 Store[x][y] = EL_EMERALD_PURPLE;
1559 else if (center_element == EL_BUG)
1560 Store[x][y] = ((x == ex && y == ey) ? EL_DIAMOND : EL_EMERALD);
1561 else if (center_element == EL_BD_BUTTERFLY)
1562 Store[x][y] = EL_BD_DIAMOND;
1563 else if (center_element == EL_SP_ELECTRON)
1564 Store[x][y] = EL_SP_INFOTRON;
1565 else if (center_element == EL_YAMYAM)
1566 Store[x][y] = level.yam_content[game.yam_content_nr][x-ex+1][y-ey+1];
1567 else if (center_element == EL_AMOEBA_TO_DIAMOND)
1568 Store[x][y] = level.amoeba_content;
1569 else if (element == EL_WALL_EMERALD)
1570 Store[x][y] = EL_EMERALD;
1571 else if (element == EL_WALL_DIAMOND)
1572 Store[x][y] = EL_DIAMOND;
1573 else if (element == EL_WALL_BD_DIAMOND)
1574 Store[x][y] = EL_BD_DIAMOND;
1575 else if (element == EL_WALL_EMERALD_YELLOW)
1576 Store[x][y] = EL_EMERALD_YELLOW;
1577 else if (element == EL_WALL_EMERALD_RED)
1578 Store[x][y] = EL_EMERALD_RED;
1579 else if (element == EL_WALL_EMERALD_PURPLE)
1580 Store[x][y] = EL_EMERALD_PURPLE;
1581 else if (element == EL_WALL_PEARL)
1582 Store[x][y] = EL_PEARL;
1583 else if (element == EL_WALL_CRYSTAL)
1584 Store[x][y] = EL_CRYSTAL;
1585 else if (!IS_PFORTE(Store[x][y]))
1586 Store[x][y] = EL_EMPTY;
1588 if (x != ex || y != ey ||
1589 center_element == EL_AMOEBA_TO_DIAMOND || mode == EX_BORDER)
1590 Store2[x][y] = element;
1592 if (AmoebaNr[x][y] &&
1593 (element == EL_AMOEBA_FULL ||
1594 element == EL_BD_AMOEBA ||
1595 element == EL_AMOEBA_CREATING))
1597 AmoebaCnt[AmoebaNr[x][y]]--;
1598 AmoebaCnt2[AmoebaNr[x][y]]--;
1601 Feld[x][y] = EL_EXPLOSION;
1602 MovDir[x][y] = MovPos[x][y] = 0;
1604 ExplodePhase[x][y] = 1;
1608 if (center_element == EL_YAMYAM)
1609 game.yam_content_nr = (game.yam_content_nr + 1) % level.num_yam_contents;
1620 ExplodePhase[x][y] = (phase < last_phase ? phase + 1 : 0);
1622 if (phase == first_phase_after_start)
1624 int element = Store2[x][y];
1626 if (element == EL_BLACK_ORB)
1628 Feld[x][y] = Store2[x][y];
1633 else if (phase == half_phase)
1635 int element = Store2[x][y];
1637 if (IS_PLAYER(x, y))
1638 KillHeroUnlessProtected(x, y);
1639 else if (IS_EXPLOSIVE(element))
1641 Feld[x][y] = Store2[x][y];
1645 else if (element == EL_AMOEBA_TO_DIAMOND)
1646 AmoebeUmwandeln(x, y);
1649 if (phase == last_phase)
1653 element = Feld[x][y] = Store[x][y];
1654 Store[x][y] = Store2[x][y] = 0;
1655 MovDir[x][y] = MovPos[x][y] = MovDelay[x][y] = 0;
1656 InitField(x, y, FALSE);
1657 if (CAN_MOVE(element) || COULD_MOVE(element))
1659 DrawLevelField(x, y);
1661 if (IS_PLAYER(x, y) && !PLAYERINFO(x,y)->present)
1662 StorePlayer[x][y] = 0;
1664 else if (phase >= delay && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
1666 int stored = Store[x][y];
1667 int graphic = (game.emulation != EMU_SUPAPLEX ? IMG_EXPLOSION :
1668 stored == EL_SP_INFOTRON ? IMG_SP_EXPLOSION_INFOTRON :
1670 int frame = getGraphicAnimationFrame(graphic, phase - delay);
1673 DrawCrumbledSand(SCREENX(x), SCREENY(y));
1675 if (IS_PFORTE(Store[x][y]))
1677 DrawLevelElement(x, y, Store[x][y]);
1678 DrawGraphicThruMask(SCREENX(x), SCREENY(y), graphic, frame);
1681 DrawGraphic(SCREENX(x), SCREENY(y), graphic, frame);
1685 void DynaExplode(int ex, int ey)
1688 int dynabomb_size = 1;
1689 boolean dynabomb_xl = FALSE;
1690 struct PlayerInfo *player;
1691 static int xy[4][2] =
1699 if (IS_ACTIVE_BOMB(Feld[ex][ey]))
1701 player = &stored_player[Feld[ex][ey] - EL_DYNABOMB_PLAYER1_ACTIVE];
1702 dynabomb_size = player->dynabomb_size;
1703 dynabomb_xl = player->dynabomb_xl;
1704 player->dynabombs_left++;
1707 Explode(ex, ey, EX_PHASE_START, EX_CENTER);
1711 for (j=1; j<=dynabomb_size; j++)
1713 int x = ex + j * xy[i % 4][0];
1714 int y = ey + j * xy[i % 4][1];
1717 if (!IN_LEV_FIELD(x, y) || IS_MASSIVE(Feld[x][y]))
1720 element = Feld[x][y];
1722 /* do not restart explosions of fields with active bombs */
1723 if (element == EL_EXPLOSION && IS_ACTIVE_BOMB(Store2[x][y]))
1726 Explode(x, y, EX_PHASE_START, EX_BORDER);
1728 if (element != EL_EMPTY &&
1729 element != EL_SAND &&
1730 element != EL_EXPLOSION &&
1737 void Bang(int x, int y)
1739 int element = Feld[x][y];
1741 if (game.emulation == EMU_SUPAPLEX)
1742 PlaySoundLevel(x, y, SND_SP_ELEMENT_EXPLODING);
1744 PlaySoundLevel(x, y, SND_ELEMENT_EXPLODING);
1747 if (IS_PLAYER(x, y)) /* remove objects that might cause smaller explosion */
1755 case EL_BD_BUTTERFLY:
1758 case EL_DARK_YAMYAM:
1762 RaiseScoreElement(element);
1763 Explode(x, y, EX_PHASE_START, EX_NORMAL);
1765 case EL_DYNABOMB_PLAYER1_ACTIVE:
1766 case EL_DYNABOMB_PLAYER2_ACTIVE:
1767 case EL_DYNABOMB_PLAYER3_ACTIVE:
1768 case EL_DYNABOMB_PLAYER4_ACTIVE:
1769 case EL_DYNABOMB_NR:
1770 case EL_DYNABOMB_SZ:
1771 case EL_DYNABOMB_XL:
1776 case EL_LAMP_ACTIVE:
1777 if (IS_PLAYER(x, y))
1778 Explode(x, y, EX_PHASE_START, EX_NORMAL);
1780 Explode(x, y, EX_PHASE_START, EX_CENTER);
1783 Explode(x, y, EX_PHASE_START, EX_NORMAL);
1788 void SplashAcid(int x, int y)
1790 int element = Feld[x][y];
1792 if (element != EL_ACID_SPLASH_LEFT &&
1793 element != EL_ACID_SPLASH_RIGHT)
1795 PlaySoundLevel(x, y, SND_ACID_SPLASHING);
1797 if (IN_LEV_FIELD(x-1, y) && IS_FREE(x-1, y) &&
1798 (!IN_LEV_FIELD(x-1, y-1) ||
1799 !CAN_FALL(MovingOrBlocked2Element(x-1, y-1))))
1800 Feld[x-1][y] = EL_ACID_SPLASH_LEFT;
1802 if (IN_LEV_FIELD(x+1, y) && IS_FREE(x+1, y) &&
1803 (!IN_LEV_FIELD(x+1, y-1) ||
1804 !CAN_FALL(MovingOrBlocked2Element(x+1, y-1))))
1805 Feld[x+1][y] = EL_ACID_SPLASH_RIGHT;
1811 int graphic = (element == EL_ACID_SPLASH_LEFT ?
1812 IMG_ACID_SPLASH_LEFT :
1813 IMG_ACID_SPLASH_RIGHT);
1815 if (!MovDelay[x][y]) /* initialize animation counter */
1818 if (MovDelay[x][y]) /* continue animation */
1821 if (MovDelay[x][y]/2 && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
1823 int frame = getGraphicAnimationFrame(graphic, 8 - MovDelay[x][y]);
1825 DrawGraphic(SCREENX(x), SCREENY(y), graphic, frame);
1828 if (!MovDelay[x][y])
1830 Feld[x][y] = EL_EMPTY;
1831 DrawLevelField(x, y);
1838 static void InitBeltMovement()
1840 static int belt_base_element[4] =
1842 EL_CONVEYOR_BELT1_LEFT,
1843 EL_CONVEYOR_BELT2_LEFT,
1844 EL_CONVEYOR_BELT3_LEFT,
1845 EL_CONVEYOR_BELT4_LEFT
1847 static int belt_base_active_element[4] =
1849 EL_CONVEYOR_BELT1_LEFT_ACTIVE,
1850 EL_CONVEYOR_BELT2_LEFT_ACTIVE,
1851 EL_CONVEYOR_BELT3_LEFT_ACTIVE,
1852 EL_CONVEYOR_BELT4_LEFT_ACTIVE
1857 /* set frame order for belt animation graphic according to belt direction */
1864 int element = belt_base_active_element[belt_nr] + j;
1865 int graphic = el2img(element);
1867 if (game.belt_dir[i] == MV_LEFT)
1868 graphic_info[graphic].anim_mode &= ~ANIM_REVERSE;
1870 graphic_info[graphic].anim_mode |= ANIM_REVERSE;
1874 for(y=0; y<lev_fieldy; y++)
1876 for(x=0; x<lev_fieldx; x++)
1878 int element = Feld[x][y];
1882 if (IS_BELT(element) && game.belt_dir[i] != MV_NO_MOVING)
1884 int e_belt_nr = getBeltNrFromBeltElement(element);
1887 if (e_belt_nr == belt_nr)
1889 int belt_part = Feld[x][y] - belt_base_element[belt_nr];
1891 Feld[x][y] = belt_base_active_element[belt_nr] + belt_part;
1899 static void ToggleBeltSwitch(int x, int y)
1901 static int belt_base_element[4] =
1903 EL_CONVEYOR_BELT1_LEFT,
1904 EL_CONVEYOR_BELT2_LEFT,
1905 EL_CONVEYOR_BELT3_LEFT,
1906 EL_CONVEYOR_BELT4_LEFT
1908 static int belt_base_active_element[4] =
1910 EL_CONVEYOR_BELT1_LEFT_ACTIVE,
1911 EL_CONVEYOR_BELT2_LEFT_ACTIVE,
1912 EL_CONVEYOR_BELT3_LEFT_ACTIVE,
1913 EL_CONVEYOR_BELT4_LEFT_ACTIVE
1915 static int belt_base_switch_element[4] =
1917 EL_CONVEYOR_BELT1_SWITCH_LEFT,
1918 EL_CONVEYOR_BELT2_SWITCH_LEFT,
1919 EL_CONVEYOR_BELT3_SWITCH_LEFT,
1920 EL_CONVEYOR_BELT4_SWITCH_LEFT
1922 static int belt_move_dir[4] =
1930 int element = Feld[x][y];
1931 int belt_nr = getBeltNrFromBeltSwitchElement(element);
1932 int belt_dir_nr = (game.belt_dir_nr[belt_nr] + 1) % 4;
1933 int belt_dir = belt_move_dir[belt_dir_nr];
1936 if (!IS_BELT_SWITCH(element))
1939 game.belt_dir_nr[belt_nr] = belt_dir_nr;
1940 game.belt_dir[belt_nr] = belt_dir;
1942 if (belt_dir_nr == 3)
1945 /* set frame order for belt animation graphic according to belt direction */
1948 int element = belt_base_active_element[belt_nr] + i;
1949 int graphic = el2img(element);
1951 if (belt_dir == MV_LEFT)
1952 graphic_info[graphic].anim_mode &= ~ANIM_REVERSE;
1954 graphic_info[graphic].anim_mode |= ANIM_REVERSE;
1957 for (yy=0; yy<lev_fieldy; yy++)
1959 for (xx=0; xx<lev_fieldx; xx++)
1961 int element = Feld[xx][yy];
1963 if (IS_BELT_SWITCH(element))
1965 int e_belt_nr = getBeltNrFromBeltSwitchElement(element);
1967 if (e_belt_nr == belt_nr)
1969 Feld[xx][yy] = belt_base_switch_element[belt_nr] + belt_dir_nr;
1970 DrawLevelField(xx, yy);
1973 else if (IS_BELT(element) && belt_dir != MV_NO_MOVING)
1975 int e_belt_nr = getBeltNrFromBeltElement(element);
1977 if (e_belt_nr == belt_nr)
1979 int belt_part = Feld[xx][yy] - belt_base_element[belt_nr];
1981 Feld[xx][yy] = belt_base_active_element[belt_nr] + belt_part;
1982 DrawLevelField(xx, yy);
1985 else if (IS_BELT_ACTIVE(element) && belt_dir == MV_NO_MOVING)
1987 int e_belt_nr = getBeltNrFromBeltActiveElement(element);
1989 if (e_belt_nr == belt_nr)
1991 int belt_part = Feld[xx][yy] - belt_base_active_element[belt_nr];
1993 Feld[xx][yy] = belt_base_element[belt_nr] + belt_part;
1994 DrawLevelField(xx, yy);
2001 static void ToggleSwitchgateSwitch(int x, int y)
2005 game.switchgate_pos = !game.switchgate_pos;
2007 for (yy=0; yy<lev_fieldy; yy++)
2009 for (xx=0; xx<lev_fieldx; xx++)
2011 int element = Feld[xx][yy];
2013 if (element == EL_SWITCHGATE_SWITCH_UP ||
2014 element == EL_SWITCHGATE_SWITCH_DOWN)
2016 Feld[xx][yy] = EL_SWITCHGATE_SWITCH_UP + game.switchgate_pos;
2017 DrawLevelField(xx, yy);
2019 else if (element == EL_SWITCHGATE_OPEN ||
2020 element == EL_SWITCHGATE_OPENING)
2022 Feld[xx][yy] = EL_SWITCHGATE_CLOSING;
2023 PlaySoundLevel(xx, yy, SND_SWITCHGATE_CLOSING);
2025 else if (element == EL_SWITCHGATE_CLOSED ||
2026 element == EL_SWITCHGATE_CLOSING)
2028 Feld[xx][yy] = EL_SWITCHGATE_OPENING;
2029 PlaySoundLevel(xx, yy, SND_SWITCHGATE_OPENING);
2035 static int getInvisibleActiveFromInvisibleElement(int element)
2037 return (element == EL_INVISIBLE_STEELWALL ? EL_INVISIBLE_STEELWALL_ACTIVE :
2038 element == EL_INVISIBLE_WALL ? EL_INVISIBLE_WALL_ACTIVE :
2039 EL_INVISIBLE_SAND_ACTIVE);
2042 static int getInvisibleFromInvisibleActiveElement(int element)
2044 return (element == EL_INVISIBLE_STEELWALL_ACTIVE ? EL_INVISIBLE_STEELWALL :
2045 element == EL_INVISIBLE_WALL_ACTIVE ? EL_INVISIBLE_WALL :
2049 static void RedrawAllLightSwitchesAndInvisibleElements()
2053 for (y=0; y<lev_fieldy; y++)
2055 for (x=0; x<lev_fieldx; x++)
2057 int element = Feld[x][y];
2059 if (element == EL_LIGHT_SWITCH &&
2060 game.light_time_left > 0)
2062 Feld[x][y] = EL_LIGHT_SWITCH_ACTIVE;
2063 DrawLevelField(x, y);
2065 else if (element == EL_LIGHT_SWITCH_ACTIVE &&
2066 game.light_time_left == 0)
2068 Feld[x][y] = EL_LIGHT_SWITCH;
2069 DrawLevelField(x, y);
2071 else if (element == EL_INVISIBLE_STEELWALL ||
2072 element == EL_INVISIBLE_WALL ||
2073 element == EL_INVISIBLE_SAND)
2075 if (game.light_time_left > 0)
2076 Feld[x][y] = getInvisibleActiveFromInvisibleElement(element);
2078 DrawLevelField(x, y);
2080 else if (element == EL_INVISIBLE_STEELWALL_ACTIVE ||
2081 element == EL_INVISIBLE_WALL_ACTIVE ||
2082 element == EL_INVISIBLE_SAND_ACTIVE)
2084 if (game.light_time_left == 0)
2085 Feld[x][y] = getInvisibleFromInvisibleActiveElement(element);
2087 DrawLevelField(x, y);
2093 static void ToggleLightSwitch(int x, int y)
2095 int element = Feld[x][y];
2097 game.light_time_left =
2098 (element == EL_LIGHT_SWITCH ?
2099 level.time_light * FRAMES_PER_SECOND : 0);
2101 RedrawAllLightSwitchesAndInvisibleElements();
2104 static void ActivateTimegateSwitch(int x, int y)
2108 game.timegate_time_left = level.time_timegate * FRAMES_PER_SECOND;
2110 for (yy=0; yy<lev_fieldy; yy++)
2112 for (xx=0; xx<lev_fieldx; xx++)
2114 int element = Feld[xx][yy];
2116 if (element == EL_TIMEGATE_CLOSED ||
2117 element == EL_TIMEGATE_CLOSING)
2119 Feld[xx][yy] = EL_TIMEGATE_OPENING;
2120 PlaySoundLevel(xx, yy, SND_TIMEGATE_OPENING);
2124 else if (element == EL_TIMEGATE_SWITCH_ACTIVE)
2126 Feld[xx][yy] = EL_TIMEGATE_SWITCH;
2127 DrawLevelField(xx, yy);
2134 Feld[x][y] = EL_TIMEGATE_SWITCH_ACTIVE;
2137 void Impact(int x, int y)
2139 boolean lastline = (y == lev_fieldy-1);
2140 boolean object_hit = FALSE;
2141 int element = Feld[x][y];
2144 if (!lastline) /* check if element below was hit */
2146 if (Feld[x][y+1] == EL_PLAYER_IS_LEAVING)
2149 object_hit = (!IS_FREE(x, y+1) && (!IS_MOVING(x, y+1) ||
2150 MovDir[x][y+1] != MV_DOWN ||
2151 MovPos[x][y+1] <= TILEY / 2));
2153 smashed = MovingOrBlocked2Element(x, y+1);
2156 if (!lastline && smashed == EL_ACID) /* element falls into acid */
2163 if (lastline || object_hit)
2168 ResetGfxAnimation(x, y);
2169 DrawLevelField(x, y);
2173 if ((element == EL_BOMB ||
2174 element == EL_SP_DISK_ORANGE ||
2175 element == EL_DX_SUPABOMB) &&
2176 (lastline || object_hit)) /* element is bomb */
2181 else if (element == EL_PEARL)
2183 Feld[x][y] = EL_PEARL_BREAKING;
2184 PlaySoundLevel(x, y, SND_PEARL_BREAKING);
2188 if (element == EL_AMOEBA_DROP && (lastline || object_hit))
2190 if (object_hit && IS_PLAYER(x, y+1))
2191 KillHeroUnlessProtected(x, y+1);
2192 else if (object_hit && smashed == EL_PENGUIN)
2196 Feld[x][y] = EL_AMOEBA_CREATING;
2197 Store[x][y] = EL_AMOEBA_WET;
2199 ResetRandomAnimationValue(x, y);
2204 if (!lastline && object_hit) /* check which object was hit */
2206 if (CAN_CHANGE(element) &&
2207 (smashed == EL_MAGIC_WALL ||
2208 smashed == EL_BD_MAGIC_WALL))
2211 int activated_magic_wall =
2212 (smashed == EL_MAGIC_WALL ? EL_MAGIC_WALL_ACTIVE :
2213 EL_BD_MAGIC_WALL_ACTIVE);
2215 /* activate magic wall / mill */
2216 for (yy=0; yy<lev_fieldy; yy++)
2217 for (xx=0; xx<lev_fieldx; xx++)
2218 if (Feld[xx][yy] == smashed)
2219 Feld[xx][yy] = activated_magic_wall;
2221 game.magic_wall_time_left = level.time_magic_wall * FRAMES_PER_SECOND;
2222 game.magic_wall_active = TRUE;
2224 PlaySoundLevel(x, y, (smashed == EL_MAGIC_WALL ?
2225 SND_MAGIC_WALL_ACTIVATING :
2226 SND_BD_MAGIC_WALL_ACTIVATING));
2229 if (IS_PLAYER(x, y + 1))
2231 KillHeroUnlessProtected(x, y+1);
2234 else if (smashed == EL_PENGUIN)
2239 else if (element == EL_BD_DIAMOND)
2241 if (IS_ENEMY(smashed) && IS_BD_ELEMENT(smashed))
2247 else if ((element == EL_SP_INFOTRON ||
2248 element == EL_SP_ZONK) &&
2249 (smashed == EL_SP_SNIKSNAK ||
2250 smashed == EL_SP_ELECTRON ||
2251 smashed == EL_SP_DISK_ORANGE))
2256 else if (element == EL_ROCK ||
2257 element == EL_SP_ZONK ||
2258 element == EL_BD_ROCK)
2260 if (IS_ENEMY(smashed) ||
2261 smashed == EL_BOMB ||
2262 smashed == EL_SP_DISK_ORANGE ||
2263 smashed == EL_DX_SUPABOMB ||
2264 smashed == EL_SATELLITE ||
2265 smashed == EL_PIG ||
2266 smashed == EL_DRAGON ||
2272 else if (!IS_MOVING(x, y + 1))
2274 if (smashed == EL_LAMP ||
2275 smashed == EL_LAMP_ACTIVE)
2280 else if (smashed == EL_NUT)
2282 Feld[x][y+1] = EL_NUT_CRACKING;
2283 PlaySoundLevel(x, y, SND_NUT_CRACKING);
2284 RaiseScoreElement(EL_NUT);
2287 else if (smashed == EL_PEARL)
2289 Feld[x][y+1] = EL_PEARL_BREAKING;
2290 PlaySoundLevel(x, y, SND_PEARL_BREAKING);
2293 else if (smashed == EL_DIAMOND)
2295 Feld[x][y+1] = EL_EMPTY;
2296 PlaySoundLevel(x, y, SND_DIAMOND_BREAKING);
2299 else if (IS_BELT_SWITCH(smashed))
2301 ToggleBeltSwitch(x, y+1);
2303 else if (smashed == EL_SWITCHGATE_SWITCH_UP ||
2304 smashed == EL_SWITCHGATE_SWITCH_DOWN)
2306 ToggleSwitchgateSwitch(x, y+1);
2308 else if (smashed == EL_LIGHT_SWITCH ||
2309 smashed == EL_LIGHT_SWITCH_ACTIVE)
2311 ToggleLightSwitch(x, y+1);
2317 /* play sound of magic wall / mill */
2319 (Feld[x][y+1] == EL_MAGIC_WALL_ACTIVE ||
2320 Feld[x][y+1] == EL_BD_MAGIC_WALL_ACTIVE))
2322 if (Feld[x][y+1] == EL_MAGIC_WALL_ACTIVE)
2323 PlaySoundLevel(x, y, SND_MAGIC_WALL_CHANGING);
2324 else if (Feld[x][y+1] == EL_BD_MAGIC_WALL_ACTIVE)
2325 PlaySoundLevel(x, y, SND_BD_MAGIC_WALL_CHANGING);
2331 printf("::: -> %d,%d [%d]\n", element, ACTION_IMPACT,
2332 element_info[element].sound[ACTION_IMPACT]);
2337 /* play sound of object that hits the ground */
2338 if (lastline || object_hit)
2339 PlaySoundLevelElementAction(x, y, element, ACTION_IMPACT);
2342 void TurnRound(int x, int y)
2354 { 0, 0 }, { 0, 0 }, { 0, 0 },
2359 int left, right, back;
2363 { MV_DOWN, MV_UP, MV_RIGHT },
2364 { MV_UP, MV_DOWN, MV_LEFT },
2366 { MV_LEFT, MV_RIGHT, MV_DOWN },
2367 { 0,0,0 }, { 0,0,0 }, { 0,0,0 },
2368 { MV_RIGHT, MV_LEFT, MV_UP }
2371 int element = Feld[x][y];
2372 int old_move_dir = MovDir[x][y];
2373 int left_dir = turn[old_move_dir].left;
2374 int right_dir = turn[old_move_dir].right;
2375 int back_dir = turn[old_move_dir].back;
2377 int left_dx = move_xy[left_dir].x, left_dy = move_xy[left_dir].y;
2378 int right_dx = move_xy[right_dir].x, right_dy = move_xy[right_dir].y;
2379 int move_dx = move_xy[old_move_dir].x, move_dy = move_xy[old_move_dir].y;
2380 int back_dx = move_xy[back_dir].x, back_dy = move_xy[back_dir].y;
2382 int left_x = x + left_dx, left_y = y + left_dy;
2383 int right_x = x + right_dx, right_y = y + right_dy;
2384 int move_x = x + move_dx, move_y = y + move_dy;
2386 if (element == EL_BUG || element == EL_BD_BUTTERFLY)
2388 TestIfBadThingTouchesOtherBadThing(x, y);
2390 if (IN_LEV_FIELD(right_x, right_y) &&
2391 IS_FREE(right_x, right_y))
2392 MovDir[x][y] = right_dir;
2393 else if (!IN_LEV_FIELD(move_x, move_y) ||
2394 !IS_FREE(move_x, move_y))
2395 MovDir[x][y] = left_dir;
2397 if (element == EL_BUG && MovDir[x][y] != old_move_dir)
2399 else if (element == EL_BD_BUTTERFLY) /* && MovDir[x][y] == left_dir) */
2402 else if (element == EL_SPACESHIP || element == EL_BD_FIREFLY ||
2403 element == EL_SP_SNIKSNAK || element == EL_SP_ELECTRON)
2405 TestIfBadThingTouchesOtherBadThing(x, y);
2407 if (IN_LEV_FIELD(left_x, left_y) &&
2408 IS_FREE(left_x, left_y))
2409 MovDir[x][y] = left_dir;
2410 else if (!IN_LEV_FIELD(move_x, move_y) ||
2411 !IS_FREE(move_x, move_y))
2412 MovDir[x][y] = right_dir;
2414 if ((element == EL_SPACESHIP ||
2415 element == EL_SP_SNIKSNAK || element == EL_SP_ELECTRON)
2416 && MovDir[x][y] != old_move_dir)
2418 else if (element == EL_BD_FIREFLY) /* && MovDir[x][y] == right_dir) */
2421 else if (element == EL_YAMYAM)
2423 boolean can_turn_left = FALSE, can_turn_right = FALSE;
2425 if (IN_LEV_FIELD(left_x, left_y) &&
2426 (IS_FREE_OR_PLAYER(left_x, left_y) ||
2427 Feld[left_x][left_y] == EL_DIAMOND))
2428 can_turn_left = TRUE;
2429 if (IN_LEV_FIELD(right_x, right_y) &&
2430 (IS_FREE_OR_PLAYER(right_x, right_y) ||
2431 Feld[right_x][right_y] == EL_DIAMOND))
2432 can_turn_right = TRUE;
2434 if (can_turn_left && can_turn_right)
2435 MovDir[x][y] = (RND(3) ? (RND(2) ? left_dir : right_dir) : back_dir);
2436 else if (can_turn_left)
2437 MovDir[x][y] = (RND(2) ? left_dir : back_dir);
2438 else if (can_turn_right)
2439 MovDir[x][y] = (RND(2) ? right_dir : back_dir);
2441 MovDir[x][y] = back_dir;
2443 MovDelay[x][y] = 16+16*RND(3);
2445 else if (element == EL_DARK_YAMYAM)
2447 boolean can_turn_left = FALSE, can_turn_right = FALSE;
2449 if (IN_LEV_FIELD(left_x, left_y) &&
2450 (IS_FREE_OR_PLAYER(left_x, left_y) ||
2451 IS_MAMPF2(Feld[left_x][left_y])))
2452 can_turn_left = TRUE;
2453 if (IN_LEV_FIELD(right_x, right_y) &&
2454 (IS_FREE_OR_PLAYER(right_x, right_y) ||
2455 IS_MAMPF2(Feld[right_x][right_y])))
2456 can_turn_right = TRUE;
2458 if (can_turn_left && can_turn_right)
2459 MovDir[x][y] = (RND(3) ? (RND(2) ? left_dir : right_dir) : back_dir);
2460 else if (can_turn_left)
2461 MovDir[x][y] = (RND(2) ? left_dir : back_dir);
2462 else if (can_turn_right)
2463 MovDir[x][y] = (RND(2) ? right_dir : back_dir);
2465 MovDir[x][y] = back_dir;
2467 MovDelay[x][y] = 16+16*RND(3);
2469 else if (element == EL_PACMAN)
2471 boolean can_turn_left = FALSE, can_turn_right = FALSE;
2473 if (IN_LEV_FIELD(left_x, left_y) &&
2474 (IS_FREE_OR_PLAYER(left_x, left_y) ||
2475 IS_AMOEBOID(Feld[left_x][left_y])))
2476 can_turn_left = TRUE;
2477 if (IN_LEV_FIELD(right_x, right_y) &&
2478 (IS_FREE_OR_PLAYER(right_x, right_y) ||
2479 IS_AMOEBOID(Feld[right_x][right_y])))
2480 can_turn_right = TRUE;
2482 if (can_turn_left && can_turn_right)
2483 MovDir[x][y] = (RND(3) ? (RND(2) ? left_dir : right_dir) : back_dir);
2484 else if (can_turn_left)
2485 MovDir[x][y] = (RND(2) ? left_dir : back_dir);
2486 else if (can_turn_right)
2487 MovDir[x][y] = (RND(2) ? right_dir : back_dir);
2489 MovDir[x][y] = back_dir;
2491 MovDelay[x][y] = 6+RND(40);
2493 else if (element == EL_PIG)
2495 boolean can_turn_left = FALSE, can_turn_right = FALSE, can_move_on = FALSE;
2496 boolean should_turn_left = FALSE, should_turn_right = FALSE;
2497 boolean should_move_on = FALSE;
2499 int rnd = RND(rnd_value);
2501 if (IN_LEV_FIELD(left_x, left_y) &&
2502 (IS_FREE(left_x, left_y) || IS_GEM(Feld[left_x][left_y])))
2503 can_turn_left = TRUE;
2504 if (IN_LEV_FIELD(right_x, right_y) &&
2505 (IS_FREE(right_x, right_y) || IS_GEM(Feld[right_x][right_y])))
2506 can_turn_right = TRUE;
2507 if (IN_LEV_FIELD(move_x, move_y) &&
2508 (IS_FREE(move_x, move_y) || IS_GEM(Feld[move_x][move_y])))
2511 if (can_turn_left &&
2513 (IN_LEV_FIELD(x+back_dx+left_dx, y+back_dy+left_dy) &&
2514 !IS_FREE(x+back_dx+left_dx, y+back_dy+left_dy))))
2515 should_turn_left = TRUE;
2516 if (can_turn_right &&
2518 (IN_LEV_FIELD(x+back_dx+right_dx, y+back_dy+right_dy) &&
2519 !IS_FREE(x+back_dx+right_dx, y+back_dy+right_dy))))
2520 should_turn_right = TRUE;
2522 (!can_turn_left || !can_turn_right ||
2523 (IN_LEV_FIELD(x+move_dx+left_dx, y+move_dy+left_dy) &&
2524 !IS_FREE(x+move_dx+left_dx, y+move_dy+left_dy)) ||
2525 (IN_LEV_FIELD(x+move_dx+right_dx, y+move_dy+right_dy) &&
2526 !IS_FREE(x+move_dx+right_dx, y+move_dy+right_dy))))
2527 should_move_on = TRUE;
2529 if (should_turn_left || should_turn_right || should_move_on)
2531 if (should_turn_left && should_turn_right && should_move_on)
2532 MovDir[x][y] = (rnd < rnd_value/3 ? left_dir :
2533 rnd < 2*rnd_value/3 ? right_dir :
2535 else if (should_turn_left && should_turn_right)
2536 MovDir[x][y] = (rnd < rnd_value/2 ? left_dir : right_dir);
2537 else if (should_turn_left && should_move_on)
2538 MovDir[x][y] = (rnd < rnd_value/2 ? left_dir : old_move_dir);
2539 else if (should_turn_right && should_move_on)
2540 MovDir[x][y] = (rnd < rnd_value/2 ? right_dir : old_move_dir);
2541 else if (should_turn_left)
2542 MovDir[x][y] = left_dir;
2543 else if (should_turn_right)
2544 MovDir[x][y] = right_dir;
2545 else if (should_move_on)
2546 MovDir[x][y] = old_move_dir;
2548 else if (can_move_on && rnd > rnd_value/8)
2549 MovDir[x][y] = old_move_dir;
2550 else if (can_turn_left && can_turn_right)
2551 MovDir[x][y] = (rnd < rnd_value/2 ? left_dir : right_dir);
2552 else if (can_turn_left && rnd > rnd_value/8)
2553 MovDir[x][y] = left_dir;
2554 else if (can_turn_right && rnd > rnd_value/8)
2555 MovDir[x][y] = right_dir;
2557 MovDir[x][y] = back_dir;
2559 if (!IS_FREE(x+move_xy[MovDir[x][y]].x, y+move_xy[MovDir[x][y]].y) &&
2560 !IS_GEM(Feld[x+move_xy[MovDir[x][y]].x][y+move_xy[MovDir[x][y]].y]))
2561 MovDir[x][y] = old_move_dir;
2565 else if (element == EL_DRAGON)
2567 boolean can_turn_left = FALSE, can_turn_right = FALSE, can_move_on = FALSE;
2569 int rnd = RND(rnd_value);
2571 if (IN_LEV_FIELD(left_x, left_y) && IS_FREE(left_x, left_y))
2572 can_turn_left = TRUE;
2573 if (IN_LEV_FIELD(right_x, right_y) && IS_FREE(right_x, right_y))
2574 can_turn_right = TRUE;
2575 if (IN_LEV_FIELD(move_x, move_y) && IS_FREE(move_x, move_y))
2578 if (can_move_on && rnd > rnd_value/8)
2579 MovDir[x][y] = old_move_dir;
2580 else if (can_turn_left && can_turn_right)
2581 MovDir[x][y] = (rnd < rnd_value/2 ? left_dir : right_dir);
2582 else if (can_turn_left && rnd > rnd_value/8)
2583 MovDir[x][y] = left_dir;
2584 else if (can_turn_right && rnd > rnd_value/8)
2585 MovDir[x][y] = right_dir;
2587 MovDir[x][y] = back_dir;
2589 if (!IS_FREE(x+move_xy[MovDir[x][y]].x, y+move_xy[MovDir[x][y]].y))
2590 MovDir[x][y] = old_move_dir;
2594 else if (element == EL_MOLE)
2596 boolean can_turn_left = FALSE, can_turn_right = FALSE, can_move_on = FALSE;
2598 if (IN_LEV_FIELD(move_x, move_y) &&
2599 (IS_FREE(move_x, move_y) || IS_AMOEBOID(Feld[move_x][move_y]) ||
2600 Feld[move_x][move_y] == EL_AMOEBA_SHRINKING))
2605 if (IN_LEV_FIELD(left_x, left_y) &&
2606 (IS_FREE(left_x, left_y) || IS_AMOEBOID(Feld[left_x][left_y])))
2607 can_turn_left = TRUE;
2608 if (IN_LEV_FIELD(right_x, right_y) &&
2609 (IS_FREE(right_x, right_y) || IS_AMOEBOID(Feld[right_x][right_y])))
2610 can_turn_right = TRUE;
2612 if (can_turn_left && can_turn_right)
2613 MovDir[x][y] = (RND(2) ? left_dir : right_dir);
2614 else if (can_turn_left)
2615 MovDir[x][y] = left_dir;
2617 MovDir[x][y] = right_dir;
2620 if (MovDir[x][y] != old_move_dir)
2623 else if (element == EL_BALLOON)
2625 MovDir[x][y] = game.balloon_dir;
2628 else if (element == EL_SPRING)
2630 if ((MovDir[x][y] == MV_LEFT || MovDir[x][y] == MV_RIGHT) &&
2631 (!IN_LEV_FIELD(move_x, move_y) || !IS_FREE(move_x, move_y) ||
2632 (IN_LEV_FIELD(x, y + 1) && IS_FREE(x, y + 1))))
2633 MovDir[x][y] = MV_NO_MOVING;
2637 else if (element == EL_ROBOT ||
2638 element == EL_SATELLITE ||
2639 element == EL_PENGUIN)
2641 int attr_x = -1, attr_y = -1;
2652 for (i=0; i<MAX_PLAYERS; i++)
2654 struct PlayerInfo *player = &stored_player[i];
2655 int jx = player->jx, jy = player->jy;
2657 if (!player->active)
2660 if (attr_x == -1 || ABS(jx-x)+ABS(jy-y) < ABS(attr_x-x)+ABS(attr_y-y))
2668 if (element == EL_ROBOT && ZX >= 0 && ZY >= 0)
2674 if (element == EL_PENGUIN)
2677 static int xy[4][2] =
2687 int ex = x + xy[i%4][0];
2688 int ey = y + xy[i%4][1];
2690 if (IN_LEV_FIELD(ex, ey) && Feld[ex][ey] == EL_EXIT_OPEN)
2699 MovDir[x][y] = MV_NO_MOVING;
2701 MovDir[x][y] |= (AllPlayersGone ? MV_RIGHT : MV_LEFT);
2703 MovDir[x][y] |= (AllPlayersGone ? MV_LEFT : MV_RIGHT);
2705 MovDir[x][y] |= (AllPlayersGone ? MV_DOWN : MV_UP);
2707 MovDir[x][y] |= (AllPlayersGone ? MV_UP : MV_DOWN);
2709 if (element == EL_ROBOT)
2713 if ((MovDir[x][y]&(MV_LEFT|MV_RIGHT)) && (MovDir[x][y]&(MV_UP|MV_DOWN)))
2714 MovDir[x][y] &= (RND(2) ? (MV_LEFT|MV_RIGHT) : (MV_UP|MV_DOWN));
2715 Moving2Blocked(x, y, &newx, &newy);
2717 if (IN_LEV_FIELD(newx, newy) && IS_FREE_OR_PLAYER(newx, newy))
2718 MovDelay[x][y] = 8+8*!RND(3);
2720 MovDelay[x][y] = 16;
2728 if ((MovDir[x][y]&(MV_LEFT|MV_RIGHT)) && (MovDir[x][y]&(MV_UP|MV_DOWN)))
2730 boolean first_horiz = RND(2);
2731 int new_move_dir = MovDir[x][y];
2734 new_move_dir & (first_horiz ? (MV_LEFT|MV_RIGHT) : (MV_UP|MV_DOWN));
2735 Moving2Blocked(x, y, &newx, &newy);
2737 if (IN_LEV_FIELD(newx, newy) &&
2738 (IS_FREE(newx, newy) ||
2739 Feld[newx][newy] == EL_ACID ||
2740 (element == EL_PENGUIN &&
2741 (Feld[newx][newy] == EL_EXIT_OPEN ||
2742 IS_MAMPF3(Feld[newx][newy])))))
2746 new_move_dir & (!first_horiz ? (MV_LEFT|MV_RIGHT) : (MV_UP|MV_DOWN));
2747 Moving2Blocked(x, y, &newx, &newy);
2749 if (IN_LEV_FIELD(newx, newy) &&
2750 (IS_FREE(newx, newy) ||
2751 Feld[newx][newy] == EL_ACID ||
2752 (element == EL_PENGUIN &&
2753 (Feld[newx][newy] == EL_EXIT_OPEN ||
2754 IS_MAMPF3(Feld[newx][newy])))))
2757 MovDir[x][y] = old_move_dir;
2764 static boolean JustBeingPushed(int x, int y)
2768 for (i=0; i<MAX_PLAYERS; i++)
2770 struct PlayerInfo *player = &stored_player[i];
2772 if (player->active && player->Pushing && player->MovPos)
2774 int next_jx = player->jx + (player->jx - player->last_jx);
2775 int next_jy = player->jy + (player->jy - player->last_jy);
2777 if (x == next_jx && y == next_jy)
2785 void StartMoving(int x, int y)
2787 static boolean use_spring_bug = TRUE;
2788 boolean started_moving = FALSE; /* some elements can fall _and_ move */
2789 int element = Feld[x][y];
2794 GfxAction[x][y] = ACTION_DEFAULT;
2796 if (CAN_FALL(element) && y < lev_fieldy - 1)
2798 if ((x>0 && IS_PLAYER(x-1, y)) || (x<lev_fieldx-1 && IS_PLAYER(x+1, y)))
2799 if (JustBeingPushed(x, y))
2802 if (element == EL_QUICKSAND_FULL)
2804 if (IS_FREE(x, y+1))
2806 InitMovingField(x, y, MV_DOWN);
2807 started_moving = TRUE;
2809 Feld[x][y] = EL_QUICKSAND_EMPTYING;
2810 Store[x][y] = EL_ROCK;
2811 PlaySoundLevel(x, y, SND_QUICKSAND_EMPTYING);
2813 else if (Feld[x][y+1] == EL_QUICKSAND_EMPTY)
2815 if (!MovDelay[x][y])
2816 MovDelay[x][y] = TILEY + 1;
2825 Feld[x][y] = EL_QUICKSAND_EMPTY;
2826 Feld[x][y+1] = EL_QUICKSAND_FULL;
2827 Store[x][y+1] = Store[x][y];
2829 PlaySoundLevel(x, y, SND_QUICKSAND_SLIPPING);
2832 else if ((element == EL_ROCK || element == EL_BD_ROCK) &&
2833 Feld[x][y+1] == EL_QUICKSAND_EMPTY)
2835 InitMovingField(x, y, MV_DOWN);
2836 started_moving = TRUE;
2838 Feld[x][y] = EL_QUICKSAND_FILLING;
2839 Store[x][y] = element;
2840 PlaySoundLevel(x, y, SND_QUICKSAND_FILLING);
2842 else if (element == EL_MAGIC_WALL_FULL)
2844 if (IS_FREE(x, y+1))
2846 InitMovingField(x, y, MV_DOWN);
2847 started_moving = TRUE;
2849 Feld[x][y] = EL_MAGIC_WALL_EMPTYING;
2850 Store[x][y] = EL_CHANGED(Store[x][y]);
2852 else if (Feld[x][y+1] == EL_MAGIC_WALL_ACTIVE)
2854 if (!MovDelay[x][y])
2855 MovDelay[x][y] = TILEY/4 + 1;
2864 Feld[x][y] = EL_MAGIC_WALL_ACTIVE;
2865 Feld[x][y+1] = EL_MAGIC_WALL_FULL;
2866 Store[x][y+1] = EL_CHANGED(Store[x][y]);
2870 else if (element == EL_BD_MAGIC_WALL_FULL)
2872 if (IS_FREE(x, y+1))
2874 InitMovingField(x, y, MV_DOWN);
2875 started_moving = TRUE;
2877 Feld[x][y] = EL_BD_MAGIC_WALL_EMPTYING;
2878 Store[x][y] = EL_CHANGED2(Store[x][y]);
2880 else if (Feld[x][y+1] == EL_BD_MAGIC_WALL_ACTIVE)
2882 if (!MovDelay[x][y])
2883 MovDelay[x][y] = TILEY/4 + 1;
2892 Feld[x][y] = EL_BD_MAGIC_WALL_ACTIVE;
2893 Feld[x][y+1] = EL_BD_MAGIC_WALL_FULL;
2894 Store[x][y+1] = EL_CHANGED2(Store[x][y]);
2898 else if (CAN_CHANGE(element) &&
2899 (Feld[x][y+1] == EL_MAGIC_WALL_ACTIVE ||
2900 Feld[x][y+1] == EL_BD_MAGIC_WALL_ACTIVE))
2902 InitMovingField(x, y, MV_DOWN);
2903 started_moving = TRUE;
2906 (Feld[x][y+1] == EL_MAGIC_WALL_ACTIVE ? EL_MAGIC_WALL_FILLING :
2907 EL_BD_MAGIC_WALL_FILLING);
2908 Store[x][y] = element;
2911 else if (CAN_SMASH(element) && Feld[x][y+1] == EL_ACID)
2913 else if (CAN_FALL(element) && Feld[x][y+1] == EL_ACID)
2918 InitMovingField(x, y, MV_DOWN);
2919 started_moving = TRUE;
2921 Store[x][y] = EL_ACID;
2923 else if (CAN_SMASH(element) && Feld[x][y+1] == EL_BLOCKED &&
2928 else if (IS_FREE(x, y+1) && element == EL_SPRING && use_spring_bug)
2930 if (MovDir[x][y] == MV_NO_MOVING)
2932 InitMovingField(x, y, MV_DOWN);
2933 started_moving = TRUE;
2936 else if (IS_FREE(x, y+1))
2938 if (JustStopped[x][y]) /* prevent animation from being restarted */
2939 MovDir[x][y] = MV_DOWN;
2941 InitMovingField(x, y, MV_DOWN);
2942 started_moving = TRUE;
2944 else if (element == EL_AMOEBA_DROP)
2946 Feld[x][y] = EL_AMOEBA_CREATING;
2947 Store[x][y] = EL_AMOEBA_WET;
2949 /* Store[x][y+1] must be zero, because:
2950 (EL_QUICKSAND_FULL -> EL_ROCK): Store[x][y+1] == EL_QUICKSAND_EMPTY
2953 #if OLD_GAME_BEHAVIOUR
2954 else if (IS_SLIPPERY(Feld[x][y+1]) && !Store[x][y+1])
2956 else if (IS_SLIPPERY(Feld[x][y+1]) && !Store[x][y+1] &&
2957 !IS_FALLING(x, y+1) && !JustStopped[x][y+1] &&
2958 element != EL_DX_SUPABOMB)
2961 else if ((IS_SLIPPERY(Feld[x][y+1]) ||
2962 (IS_EM_SLIPPERY_WALL(Feld[x][y+1]) && IS_GEM(element))) &&
2963 !IS_FALLING(x, y+1) && !JustStopped[x][y+1] &&
2964 element != EL_DX_SUPABOMB && element != EL_SP_DISK_ORANGE)
2967 boolean left = (x>0 && IS_FREE(x-1, y) &&
2968 (IS_FREE(x-1, y+1) || Feld[x-1][y+1] == EL_ACID));
2969 boolean right = (x<lev_fieldx-1 && IS_FREE(x+1, y) &&
2970 (IS_FREE(x+1, y+1) || Feld[x+1][y+1] == EL_ACID));
2974 if (left && right &&
2975 (game.emulation != EMU_BOULDERDASH &&
2976 element != EL_BD_ROCK && element != EL_BD_DIAMOND))
2977 left = !(right = RND(2));
2979 InitMovingField(x, y, left ? MV_LEFT : MV_RIGHT);
2980 started_moving = TRUE;
2983 else if (IS_BELT_ACTIVE(Feld[x][y+1]))
2985 boolean left_is_free = (x>0 && IS_FREE(x-1, y));
2986 boolean right_is_free = (x<lev_fieldx-1 && IS_FREE(x+1, y));
2987 int belt_nr = getBeltNrFromBeltActiveElement(Feld[x][y+1]);
2988 int belt_dir = game.belt_dir[belt_nr];
2990 if ((belt_dir == MV_LEFT && left_is_free) ||
2991 (belt_dir == MV_RIGHT && right_is_free))
2993 InitMovingField(x, y, belt_dir);
2994 started_moving = TRUE;
2996 GfxAction[x][y] = ACTION_DEFAULT;
3001 /* not "else if" because of EL_SPRING */
3002 if (CAN_MOVE(element) && !started_moving)
3006 if ((element == EL_SATELLITE ||
3007 element == EL_BALLOON ||
3008 element == EL_SPRING)
3009 && JustBeingPushed(x, y))
3014 if (element == EL_SPRING && MovDir[x][y] == MV_DOWN)
3015 Feld[x][y + 1] = EL_EMPTY; /* was set to EL_BLOCKED above */
3017 if (element == EL_SPRING && MovDir[x][y] != MV_NO_MOVING)
3019 Moving2Blocked(x, y, &newx, &newy);
3020 if (Feld[newx][newy] == EL_BLOCKED)
3021 Feld[newx][newy] = EL_EMPTY; /* was set to EL_BLOCKED above */
3026 if (!MovDelay[x][y]) /* start new movement phase */
3028 /* all objects that can change their move direction after each step */
3029 /* (MAMPFER, MAMPFER2 and PACMAN go straight until they hit a wall */
3031 if (element != EL_YAMYAM &&
3032 element != EL_DARK_YAMYAM &&
3033 element != EL_PACMAN)
3036 if (element == EL_SPRING)
3037 printf("1--> %d\n", MovDir[x][y]);
3041 if (element == EL_SPRING)
3042 printf("2--> %d\n", MovDir[x][y]);
3044 if (MovDelay[x][y] && (element == EL_BUG ||
3045 element == EL_SPACESHIP ||
3046 element == EL_SP_SNIKSNAK ||
3047 element == EL_SP_ELECTRON ||
3048 element == EL_MOLE))
3049 DrawLevelField(x, y);
3053 if (MovDelay[x][y]) /* wait some time before next movement */
3057 if (element == EL_ROBOT ||
3058 element == EL_YAMYAM ||
3059 element == EL_DARK_YAMYAM)
3062 DrawLevelElementAnimationIfNeeded(x, y, element);
3064 if (IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
3066 int graphic = el2img(element);
3067 int frame = getGraphicAnimationFrame(graphic, MovDelay[x][y] % 8);
3069 DrawGraphic(SCREENX(x), SCREENY(y), graphic, frame);
3074 PlaySoundLevelAction(x, y, ACTION_WAITING);
3076 if (MovDelay[x][y] % 4 == 3)
3078 if (element == EL_YAMYAM)
3079 PlaySoundLevel(x, y, SND_YAMYAM_WAITING);
3080 else if (element == EL_DARK_YAMYAM)
3081 PlaySoundLevel(x, y, SND_DARK_YAMYAM_WAITING);
3085 else if (element == EL_SP_ELECTRON)
3086 DrawLevelElementAnimationIfNeeded(x, y, element);
3087 else if (element == EL_DRAGON)
3090 int dir = MovDir[x][y];
3091 int dx = (dir == MV_LEFT ? -1 : dir == MV_RIGHT ? +1 : 0);
3092 int dy = (dir == MV_UP ? -1 : dir == MV_DOWN ? +1 : 0);
3093 int graphic = (dir == MV_LEFT ? IMG_FLAMES1_LEFT :
3094 dir == MV_RIGHT ? IMG_FLAMES1_RIGHT :
3095 dir == MV_UP ? IMG_FLAMES1_UP :
3096 dir == MV_DOWN ? IMG_FLAMES1_DOWN : IMG_EMPTY);
3097 int frame = getGraphicAnimationFrame(graphic, -1);
3099 for (i=1; i<=3; i++)
3101 int xx = x + i*dx, yy = y + i*dy;
3102 int sx = SCREENX(xx), sy = SCREENY(yy);
3103 int flame_graphic = graphic + (i - 1);
3105 if (!IN_LEV_FIELD(xx, yy) ||
3106 IS_SOLID(Feld[xx][yy]) || Feld[xx][yy] == EL_EXPLOSION)
3111 int flamed = MovingOrBlocked2Element(xx, yy);
3113 if (IS_ENEMY(flamed) || IS_EXPLOSIVE(flamed))
3116 RemoveMovingField(xx, yy);
3118 Feld[xx][yy] = EL_FLAMES;
3119 if (IN_SCR_FIELD(sx, sy))
3120 DrawGraphic(sx, sy, flame_graphic, frame);
3124 if (Feld[xx][yy] == EL_FLAMES)
3125 Feld[xx][yy] = EL_EMPTY;
3126 DrawLevelField(xx, yy);
3131 if (MovDelay[x][y]) /* element still has to wait some time */
3133 PlaySoundLevelAction(x, y, ACTION_WAITING);
3139 /* now make next step */
3141 Moving2Blocked(x, y, &newx, &newy); /* get next screen position */
3143 if (IS_ENEMY(element) && IS_PLAYER(newx, newy) &&
3144 !PLAYER_PROTECTED(newx, newy))
3148 TestIfBadThingRunsIntoHero(x, y, MovDir[x][y]);
3151 /* enemy got the player */
3153 KillHero(PLAYERINFO(newx, newy));
3158 else if ((element == EL_PENGUIN || element == EL_ROBOT ||
3159 element == EL_SATELLITE || element == EL_BALLOON) &&
3160 IN_LEV_FIELD(newx, newy) &&
3161 MovDir[x][y] == MV_DOWN && Feld[newx][newy] == EL_ACID)
3164 Store[x][y] = EL_ACID;
3166 else if (element == EL_PENGUIN && IN_LEV_FIELD(newx, newy))
3168 if (Feld[newx][newy] == EL_EXIT_OPEN)
3170 Feld[x][y] = EL_EMPTY;
3171 DrawLevelField(x, y);
3173 PlaySoundLevel(newx, newy, SND_PENGUIN_PASSING_EXIT);
3174 if (IN_SCR_FIELD(SCREENX(newx), SCREENY(newy)))
3175 DrawGraphicThruMask(SCREENX(newx),SCREENY(newy), el2img(element), 0);
3177 local_player->friends_still_needed--;
3178 if (!local_player->friends_still_needed &&
3179 !local_player->GameOver && AllPlayersGone)
3180 local_player->LevelSolved = local_player->GameOver = TRUE;
3184 else if (IS_MAMPF3(Feld[newx][newy]))
3186 if (DigField(local_player, newx, newy, 0, 0, DF_DIG) == MF_MOVING)
3187 DrawLevelField(newx, newy);
3189 MovDir[x][y] = MV_NO_MOVING;
3191 else if (!IS_FREE(newx, newy))
3193 if (IS_PLAYER(x, y))
3194 DrawPlayerField(x, y);
3196 DrawLevelField(x, y);
3200 else if (element == EL_PIG && IN_LEV_FIELD(newx, newy))
3202 if (IS_GEM(Feld[newx][newy]))
3204 if (IS_MOVING(newx, newy))
3205 RemoveMovingField(newx, newy);
3208 Feld[newx][newy] = EL_EMPTY;
3209 DrawLevelField(newx, newy);
3212 PlaySoundLevel(x, y, SND_PIG_EATING);
3214 else if (!IS_FREE(newx, newy))
3216 if (IS_PLAYER(x, y))
3217 DrawPlayerField(x, y);
3219 DrawLevelField(x, y);
3223 else if (element == EL_DRAGON && IN_LEV_FIELD(newx, newy))
3225 if (!IS_FREE(newx, newy))
3227 if (IS_PLAYER(x, y))
3228 DrawPlayerField(x, y);
3230 DrawLevelField(x, y);
3235 boolean wanna_flame = !RND(10);
3236 int dx = newx - x, dy = newy - y;
3237 int newx1 = newx+1*dx, newy1 = newy+1*dy;
3238 int newx2 = newx+2*dx, newy2 = newy+2*dy;
3239 int element1 = (IN_LEV_FIELD(newx1, newy1) ?
3240 MovingOrBlocked2Element(newx1, newy1) : EL_STEELWALL);
3241 int element2 = (IN_LEV_FIELD(newx2, newy2) ?
3242 MovingOrBlocked2Element(newx2, newy2) : EL_STEELWALL);
3244 if ((wanna_flame || IS_ENEMY(element1) || IS_ENEMY(element2)) &&
3245 element1 != EL_DRAGON && element2 != EL_DRAGON &&
3246 element1 != EL_FLAMES && element2 != EL_FLAMES)
3248 if (IS_PLAYER(x, y))
3249 DrawPlayerField(x, y);
3251 DrawLevelField(x, y);
3253 PlaySoundLevel(x, y, SND_DRAGON_ATTACKING);
3255 MovDelay[x][y] = 50;
3256 Feld[newx][newy] = EL_FLAMES;
3257 if (IN_LEV_FIELD(newx1, newy1) && Feld[newx1][newy1] == EL_EMPTY)
3258 Feld[newx1][newy1] = EL_FLAMES;
3259 if (IN_LEV_FIELD(newx2, newy2) && Feld[newx2][newy2] == EL_EMPTY)
3260 Feld[newx2][newy2] = EL_FLAMES;
3265 else if (element == EL_YAMYAM && IN_LEV_FIELD(newx, newy) &&
3266 Feld[newx][newy] == EL_DIAMOND)
3268 if (IS_MOVING(newx, newy))
3269 RemoveMovingField(newx, newy);
3272 Feld[newx][newy] = EL_EMPTY;
3273 DrawLevelField(newx, newy);
3276 PlaySoundLevel(x, y, SND_YAMYAM_EATING);
3278 else if (element == EL_DARK_YAMYAM && IN_LEV_FIELD(newx, newy) &&
3279 IS_MAMPF2(Feld[newx][newy]))
3281 if (AmoebaNr[newx][newy])
3283 AmoebaCnt2[AmoebaNr[newx][newy]]--;
3284 if (Feld[newx][newy] == EL_AMOEBA_FULL ||
3285 Feld[newx][newy] == EL_BD_AMOEBA)
3286 AmoebaCnt[AmoebaNr[newx][newy]]--;
3289 if (IS_MOVING(newx, newy))
3290 RemoveMovingField(newx, newy);
3293 Feld[newx][newy] = EL_EMPTY;
3294 DrawLevelField(newx, newy);
3297 PlaySoundLevel(x, y, SND_DARK_YAMYAM_EATING);
3299 else if ((element == EL_PACMAN || element == EL_MOLE)
3300 && IN_LEV_FIELD(newx, newy) && IS_AMOEBOID(Feld[newx][newy]))
3302 if (AmoebaNr[newx][newy])
3304 AmoebaCnt2[AmoebaNr[newx][newy]]--;
3305 if (Feld[newx][newy] == EL_AMOEBA_FULL ||
3306 Feld[newx][newy] == EL_BD_AMOEBA)
3307 AmoebaCnt[AmoebaNr[newx][newy]]--;
3310 if (element == EL_MOLE)
3312 Feld[newx][newy] = EL_AMOEBA_SHRINKING;
3313 PlaySoundLevel(x, y, SND_MOLE_EATING);
3314 MovDelay[newx][newy] = 0; /* start amoeba shrinking delay */
3315 return; /* wait for shrinking amoeba */
3317 else /* element == EL_PACMAN */
3319 Feld[newx][newy] = EL_EMPTY;
3320 DrawLevelField(newx, newy);
3321 PlaySoundLevel(x, y, SND_PACMAN_EATING);
3324 else if (element == EL_MOLE && IN_LEV_FIELD(newx, newy) &&
3325 (Feld[newx][newy] == EL_AMOEBA_SHRINKING ||
3326 (Feld[newx][newy] == EL_EMPTY && Stop[newx][newy])))
3328 /* wait for shrinking amoeba to completely disappear */
3331 else if (!IN_LEV_FIELD(newx, newy) || !IS_FREE(newx, newy))
3333 /* object was running against a wall */
3337 if (element == EL_BUG || element == EL_SPACESHIP ||
3338 element == EL_SP_SNIKSNAK)
3339 DrawLevelField(x, y);
3340 else if (element == EL_BUG || element == EL_SPACESHIP ||
3341 element == EL_SP_SNIKSNAK || element == EL_MOLE)
3342 DrawLevelField(x, y);
3343 else if (element == EL_BD_BUTTERFLY || element == EL_BD_FIREFLY)
3344 DrawLevelElementAnimationIfNeeded(x, y, element);
3345 else if (element == EL_SATELLITE)
3346 DrawLevelElementAnimationIfNeeded(x, y, element);
3347 else if (element == EL_SP_ELECTRON)
3348 DrawLevelElementAnimationIfNeeded(x, y, element);
3350 if (DONT_TOUCH(element))
3351 TestIfBadThingTouchesHero(x, y);
3353 PlaySoundLevelAction(x, y, ACTION_WAITING);
3358 InitMovingField(x, y, MovDir[x][y]);
3360 PlaySoundLevelAction(x, y, ACTION_MOVING);
3364 ContinueMoving(x, y);
3367 void ContinueMoving(int x, int y)
3369 int element = Feld[x][y];
3370 int direction = MovDir[x][y];
3371 int dx = (direction == MV_LEFT ? -1 : direction == MV_RIGHT ? +1 : 0);
3372 int dy = (direction == MV_UP ? -1 : direction == MV_DOWN ? +1 : 0);
3373 int horiz_move = (dx != 0);
3374 int newx = x + dx, newy = y + dy;
3375 int step = (horiz_move ? dx : dy) * TILEX / 8;
3377 if (element == EL_AMOEBA_DROP || element == EL_AMOEBA_DRIPPING)
3379 else if (element == EL_QUICKSAND_FILLING ||
3380 element == EL_QUICKSAND_EMPTYING)
3382 else if (element == EL_MAGIC_WALL_FILLING ||
3383 element == EL_BD_MAGIC_WALL_FILLING ||
3384 element == EL_MAGIC_WALL_EMPTYING ||
3385 element == EL_BD_MAGIC_WALL_EMPTYING)
3387 else if (CAN_FALL(element) && horiz_move &&
3388 y < lev_fieldy-1 && IS_BELT_ACTIVE(Feld[x][y+1]))
3390 else if (element == EL_SPRING && horiz_move)
3393 #if OLD_GAME_BEHAVIOUR
3394 else if (CAN_FALL(element) && horiz_move && !IS_SP_ELEMENT(element))
3398 MovPos[x][y] += step;
3400 if (ABS(MovPos[x][y]) >= TILEX) /* object reached its destination */
3402 Feld[x][y] = EL_EMPTY;
3403 Feld[newx][newy] = element;
3405 if (element == EL_MOLE)
3408 static int xy[4][2] =
3416 Feld[x][y] = EL_SAND;
3417 DrawLevelField(x, y);
3426 if (IN_LEV_FIELD(xx, yy) && Feld[xx][yy] == EL_SAND)
3427 DrawLevelField(xx, yy); /* for "DrawCrumbledSand()" */
3431 if (element == EL_QUICKSAND_FILLING)
3433 element = Feld[newx][newy] = get_next_element(element);
3434 Store[newx][newy] = Store[x][y];
3436 else if (element == EL_QUICKSAND_EMPTYING)
3438 Feld[x][y] = get_next_element(element);
3439 element = Feld[newx][newy] = Store[x][y];
3441 else if (element == EL_MAGIC_WALL_FILLING)
3443 element = Feld[newx][newy] = get_next_element(element);
3444 if (!game.magic_wall_active)
3445 element = Feld[newx][newy] = EL_MAGIC_WALL_DEAD;
3446 Store[newx][newy] = Store[x][y];
3448 else if (element == EL_MAGIC_WALL_EMPTYING)
3450 Feld[x][y] = get_next_element(element);
3451 if (!game.magic_wall_active)
3452 Feld[x][y] = EL_MAGIC_WALL_DEAD;
3453 element = Feld[newx][newy] = Store[x][y];
3455 else if (element == EL_BD_MAGIC_WALL_FILLING)
3457 element = Feld[newx][newy] = get_next_element(element);
3458 if (!game.magic_wall_active)
3459 element = Feld[newx][newy] = EL_BD_MAGIC_WALL_DEAD;
3460 Store[newx][newy] = Store[x][y];
3462 else if (element == EL_BD_MAGIC_WALL_EMPTYING)
3464 Feld[x][y] = get_next_element(element);
3465 if (!game.magic_wall_active)
3466 Feld[x][y] = EL_BD_MAGIC_WALL_DEAD;
3467 element = Feld[newx][newy] = Store[x][y];
3469 else if (element == EL_AMOEBA_DRIPPING)
3471 Feld[x][y] = get_next_element(element);
3472 element = Feld[newx][newy] = Store[x][y];
3474 else if (Store[x][y] == EL_ACID)
3476 element = Feld[newx][newy] = EL_ACID;
3480 MovPos[x][y] = MovDir[x][y] = MovDelay[x][y] = 0;
3481 MovDelay[newx][newy] = 0;
3484 /* all done in "InitMovingField()" */
3485 GfxAction[newx][newy] = GfxAction[x][y]; /* keep action one frame */
3486 GfxRandom[newx][newy] = GfxRandom[x][y]; /* keep same random value */
3489 /* copy animation control values to new field */
3490 GfxFrame[newx][newy] = GfxFrame[x][y];
3491 GfxAction[newx][newy] = GfxAction[x][y];
3492 GfxRandom[newx][newy] = GfxRandom[x][y];
3494 ResetGfxAnimation(x, y); /* reset animation values for old field */
3498 if (!CAN_MOVE(element))
3499 MovDir[newx][newy] = 0;
3502 if (CAN_FALL(element) && MovDir[newx][newy] == MV_DOWN)
3503 MovDir[newx][newy] = 0;
3506 if (!CAN_MOVE(element) ||
3507 (element == EL_SPRING && MovDir[newx][newy] == MV_DOWN))
3508 MovDir[newx][newy] = 0;
3512 DrawLevelField(x, y);
3513 DrawLevelField(newx, newy);
3515 Stop[newx][newy] = TRUE;
3516 JustStopped[newx][newy] = 3;
3518 if (DONT_TOUCH(element)) /* object may be nasty to player or others */
3520 TestIfBadThingTouchesHero(newx, newy);
3521 TestIfBadThingTouchesFriend(newx, newy);
3522 TestIfBadThingTouchesOtherBadThing(newx, newy);
3524 else if (element == EL_PENGUIN)
3525 TestIfFriendTouchesBadThing(newx, newy);
3527 if (CAN_SMASH(element) && direction == MV_DOWN &&
3528 (newy == lev_fieldy-1 || !IS_FREE(x, newy+1)))
3531 else /* still moving on */
3534 if (GfxAction[x][y] == ACTION_DEFAULT)
3536 printf("reset GfxAction...\n");
3538 GfxAction[x][y] = ACTION_MOVING;
3542 DrawLevelField(x, y);
3546 int AmoebeNachbarNr(int ax, int ay)
3549 int element = Feld[ax][ay];
3551 static int xy[4][2] =
3561 int x = ax + xy[i][0];
3562 int y = ay + xy[i][1];
3564 if (!IN_LEV_FIELD(x, y))
3567 if (Feld[x][y] == element && AmoebaNr[x][y] > 0)
3568 group_nr = AmoebaNr[x][y];
3574 void AmoebenVereinigen(int ax, int ay)
3576 int i, x, y, xx, yy;
3577 int new_group_nr = AmoebaNr[ax][ay];
3578 static int xy[4][2] =
3586 if (new_group_nr == 0)
3594 if (!IN_LEV_FIELD(x, y))
3597 if ((Feld[x][y] == EL_AMOEBA_FULL ||
3598 Feld[x][y] == EL_BD_AMOEBA ||
3599 Feld[x][y] == EL_AMOEBA_DEAD) &&
3600 AmoebaNr[x][y] != new_group_nr)
3602 int old_group_nr = AmoebaNr[x][y];
3604 if (old_group_nr == 0)
3607 AmoebaCnt[new_group_nr] += AmoebaCnt[old_group_nr];
3608 AmoebaCnt[old_group_nr] = 0;
3609 AmoebaCnt2[new_group_nr] += AmoebaCnt2[old_group_nr];
3610 AmoebaCnt2[old_group_nr] = 0;
3612 for (yy=0; yy<lev_fieldy; yy++)
3614 for (xx=0; xx<lev_fieldx; xx++)
3616 if (AmoebaNr[xx][yy] == old_group_nr)
3617 AmoebaNr[xx][yy] = new_group_nr;
3624 void AmoebeUmwandeln(int ax, int ay)
3628 if (Feld[ax][ay] == EL_AMOEBA_DEAD)
3630 int group_nr = AmoebaNr[ax][ay];
3635 printf("AmoebeUmwandeln(): ax = %d, ay = %d\n", ax, ay);
3636 printf("AmoebeUmwandeln(): This should never happen!\n");
3641 for (y=0; y<lev_fieldy; y++)
3643 for (x=0; x<lev_fieldx; x++)
3645 if (Feld[x][y] == EL_AMOEBA_DEAD && AmoebaNr[x][y] == group_nr)
3648 Feld[x][y] = EL_AMOEBA_TO_DIAMOND;
3652 PlaySoundLevel(ax, ay, (IS_GEM(level.amoeba_content) ?
3653 SND_AMOEBA_TURNING_TO_GEM :
3654 SND_AMOEBA_TURNING_TO_ROCK));
3659 static int xy[4][2] =
3672 if (!IN_LEV_FIELD(x, y))
3675 if (Feld[x][y] == EL_AMOEBA_TO_DIAMOND)
3677 PlaySoundLevel(x, y, (IS_GEM(level.amoeba_content) ?
3678 SND_AMOEBA_TURNING_TO_GEM :
3679 SND_AMOEBA_TURNING_TO_ROCK));
3686 void AmoebeUmwandelnBD(int ax, int ay, int new_element)
3689 int group_nr = AmoebaNr[ax][ay];
3690 boolean done = FALSE;
3695 printf("AmoebeUmwandelnBD(): ax = %d, ay = %d\n", ax, ay);
3696 printf("AmoebeUmwandelnBD(): This should never happen!\n");
3701 for (y=0; y<lev_fieldy; y++)
3703 for (x=0; x<lev_fieldx; x++)
3705 if (AmoebaNr[x][y] == group_nr &&
3706 (Feld[x][y] == EL_AMOEBA_DEAD ||
3707 Feld[x][y] == EL_BD_AMOEBA ||
3708 Feld[x][y] == EL_AMOEBA_CREATING))
3711 Feld[x][y] = new_element;
3712 InitField(x, y, FALSE);
3713 DrawLevelField(x, y);
3720 PlaySoundLevel(ax, ay, (new_element == EL_BD_ROCK ?
3721 SND_BD_AMOEBA_TURNING_TO_ROCK :
3722 SND_BD_AMOEBA_TURNING_TO_GEM));
3725 void AmoebeWaechst(int x, int y)
3727 static unsigned long sound_delay = 0;
3728 static unsigned long sound_delay_value = 0;
3730 if (!MovDelay[x][y]) /* start new growing cycle */
3734 if (DelayReached(&sound_delay, sound_delay_value))
3736 if (Store[x][y] == EL_BD_AMOEBA)
3737 PlaySoundLevel(x, y, SND_BD_AMOEBA_CREATING);
3739 PlaySoundLevel(x, y, SND_AMOEBA_CREATING);
3740 sound_delay_value = 30;
3744 if (MovDelay[x][y]) /* wait some time before growing bigger */
3747 if (MovDelay[x][y]/2 && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
3749 int frame = getGraphicAnimationFrame(IMG_AMOEBA_CREATING,
3750 6 - MovDelay[x][y]);
3752 DrawGraphic(SCREENX(x), SCREENY(y), IMG_AMOEBA_CREATING, frame);
3755 if (!MovDelay[x][y])
3757 Feld[x][y] = Store[x][y];
3759 DrawLevelField(x, y);
3764 void AmoebaDisappearing(int x, int y)
3766 static unsigned long sound_delay = 0;
3767 static unsigned long sound_delay_value = 0;
3769 if (!MovDelay[x][y]) /* start new shrinking cycle */
3773 if (DelayReached(&sound_delay, sound_delay_value))
3774 sound_delay_value = 30;
3777 if (MovDelay[x][y]) /* wait some time before shrinking */
3780 if (MovDelay[x][y]/2 && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
3782 int frame = getGraphicAnimationFrame(IMG_AMOEBA_SHRINKING,
3783 6 - MovDelay[x][y]);
3785 DrawGraphic(SCREENX(x), SCREENY(y), IMG_AMOEBA_SHRINKING, frame);
3788 if (!MovDelay[x][y])
3790 Feld[x][y] = EL_EMPTY;
3791 DrawLevelField(x, y);
3793 /* don't let mole enter this field in this cycle;
3794 (give priority to objects falling to this field from above) */
3800 void AmoebeAbleger(int ax, int ay)
3803 int element = Feld[ax][ay];
3804 int newax = ax, neway = ay;
3805 static int xy[4][2] =
3813 if (!level.amoeba_speed)
3815 Feld[ax][ay] = EL_AMOEBA_DEAD;
3816 DrawLevelField(ax, ay);
3820 if (!MovDelay[ax][ay]) /* start making new amoeba field */
3821 MovDelay[ax][ay] = RND(FRAMES_PER_SECOND * 25 / (1 + level.amoeba_speed));
3823 if (MovDelay[ax][ay]) /* wait some time before making new amoeba */
3826 if (MovDelay[ax][ay])
3830 if (element == EL_AMOEBA_WET) /* object is an acid / amoeba drop */
3833 int x = ax + xy[start][0];
3834 int y = ay + xy[start][1];
3836 if (!IN_LEV_FIELD(x, y))
3839 if (IS_FREE(x, y) ||
3840 Feld[x][y] == EL_SAND || Feld[x][y] == EL_QUICKSAND_EMPTY)
3846 if (newax == ax && neway == ay)
3849 else /* normal or "filled" (BD style) amoeba */
3852 boolean waiting_for_player = FALSE;
3856 int j = (start + i) % 4;
3857 int x = ax + xy[j][0];
3858 int y = ay + xy[j][1];
3860 if (!IN_LEV_FIELD(x, y))
3863 if (IS_FREE(x, y) ||
3864 Feld[x][y] == EL_SAND || Feld[x][y] == EL_QUICKSAND_EMPTY)
3870 else if (IS_PLAYER(x, y))
3871 waiting_for_player = TRUE;
3874 if (newax == ax && neway == ay) /* amoeba cannot grow */
3876 if (i == 4 && (!waiting_for_player || game.emulation == EMU_BOULDERDASH))
3878 Feld[ax][ay] = EL_AMOEBA_DEAD;
3879 DrawLevelField(ax, ay);
3880 AmoebaCnt[AmoebaNr[ax][ay]]--;
3882 if (AmoebaCnt[AmoebaNr[ax][ay]] <= 0) /* amoeba is completely dead */
3884 if (element == EL_AMOEBA_FULL)
3885 AmoebeUmwandeln(ax, ay);
3886 else if (element == EL_BD_AMOEBA)
3887 AmoebeUmwandelnBD(ax, ay, level.amoeba_content);
3892 else if (element == EL_AMOEBA_FULL || element == EL_BD_AMOEBA)
3894 /* amoeba gets larger by growing in some direction */
3896 int new_group_nr = AmoebaNr[ax][ay];
3899 if (new_group_nr == 0)
3901 printf("AmoebeAbleger(): newax = %d, neway = %d\n", newax, neway);
3902 printf("AmoebeAbleger(): This should never happen!\n");
3907 AmoebaNr[newax][neway] = new_group_nr;
3908 AmoebaCnt[new_group_nr]++;
3909 AmoebaCnt2[new_group_nr]++;
3911 /* if amoeba touches other amoeba(s) after growing, unify them */
3912 AmoebenVereinigen(newax, neway);
3914 if (element == EL_BD_AMOEBA && AmoebaCnt2[new_group_nr] >= 200)
3916 AmoebeUmwandelnBD(newax, neway, EL_BD_ROCK);
3922 if (element != EL_AMOEBA_WET || neway < ay || !IS_FREE(newax, neway) ||
3923 (neway == lev_fieldy - 1 && newax != ax))
3925 Feld[newax][neway] = EL_AMOEBA_CREATING; /* creation of new amoeba */
3926 Store[newax][neway] = element;
3928 else if (neway == ay)
3930 Feld[newax][neway] = EL_AMOEBA_DROP; /* drop left/right of amoeba */
3931 PlaySoundLevel(newax, neway, SND_AMOEBA_DROP_CREATING);
3935 InitMovingField(ax, ay, MV_DOWN); /* drop dripping from amoeba */
3936 Feld[ax][ay] = EL_AMOEBA_DRIPPING;
3937 Store[ax][ay] = EL_AMOEBA_DROP;
3938 ContinueMoving(ax, ay);
3942 DrawLevelField(newax, neway);
3945 void Life(int ax, int ay)
3948 static int life[4] = { 2, 3, 3, 3 }; /* parameters for "game of life" */
3950 int element = Feld[ax][ay];
3951 boolean changed = FALSE;
3956 if (!MovDelay[ax][ay]) /* start new "game of life" cycle */
3957 MovDelay[ax][ay] = life_time;
3959 if (MovDelay[ax][ay]) /* wait some time before next cycle */
3962 if (MovDelay[ax][ay])
3966 for (y1=-1; y1<2; y1++) for(x1=-1; x1<2; x1++)
3968 int xx = ax+x1, yy = ay+y1;
3971 if (!IN_LEV_FIELD(xx, yy))
3974 for (y2=-1; y2<2; y2++) for (x2=-1; x2<2; x2++)
3976 int x = xx+x2, y = yy+y2;
3978 if (!IN_LEV_FIELD(x, y) || (x == xx && y == yy))
3981 if (((Feld[x][y] == element ||
3982 (element == EL_GAMEOFLIFE && IS_PLAYER(x, y))) &&
3984 (IS_FREE(x, y) && Stop[x][y]))
3988 if (xx == ax && yy == ay) /* field in the middle */
3990 if (nachbarn < life[0] || nachbarn > life[1])
3992 Feld[xx][yy] = EL_EMPTY;
3994 DrawLevelField(xx, yy);
3995 Stop[xx][yy] = TRUE;
3999 else if (IS_FREE(xx, yy) || Feld[xx][yy] == EL_SAND)
4000 { /* free border field */
4001 if (nachbarn >= life[2] && nachbarn <= life[3])
4003 Feld[xx][yy] = element;
4004 MovDelay[xx][yy] = (element == EL_GAMEOFLIFE ? 0 : life_time-1);
4006 DrawLevelField(xx, yy);
4007 Stop[xx][yy] = TRUE;
4014 PlaySoundLevel(ax, ay, element == EL_GAMEOFLIFE ? SND_GAMEOFLIFE_CREATING :
4015 SND_BIOMAZE_CREATING);
4018 static void InitRobotWheel(int x, int y)
4020 MovDelay[x][y] = level.time_wheel * FRAMES_PER_SECOND;
4023 static void RunRobotWheel(int x, int y)
4025 PlaySoundLevel(x, y, SND_ROBOT_WHEEL_ACTIVE);
4028 static void StopRobotWheel(int x, int y)
4030 if (ZX == x && ZY == y)
4034 static void InitTimegateWheel(int x, int y)
4036 MovDelay[x][y] = level.time_wheel * FRAMES_PER_SECOND;
4039 static void RunTimegateWheel(int x, int y)
4041 PlaySoundLevel(x, y, SND_TIMEGATE_SWITCH_ACTIVE);
4044 void CheckExit(int x, int y)
4046 if (local_player->gems_still_needed > 0 ||
4047 local_player->sokobanfields_still_needed > 0 ||
4048 local_player->lights_still_needed > 0)
4051 Feld[x][y] = EL_EXIT_OPENING;
4053 PlaySoundLevelNearest(x, y, SND_EXIT_OPENING);
4056 void CheckExitSP(int x, int y)
4058 if (local_player->gems_still_needed > 0)
4061 Feld[x][y] = EL_SP_EXIT_OPEN;
4063 PlaySoundLevelNearest(x, y, SND_SP_EXIT_OPENING);
4066 static void CloseAllOpenTimegates()
4070 for (y=0; y<lev_fieldy; y++)
4072 for (x=0; x<lev_fieldx; x++)
4074 int element = Feld[x][y];
4076 if (element == EL_TIMEGATE_OPEN || element == EL_TIMEGATE_OPENING)
4078 Feld[x][y] = EL_TIMEGATE_CLOSING;
4079 PlaySoundLevel(x, y, SND_TIMEGATE_CLOSING);
4085 void EdelsteinFunkeln(int x, int y)
4087 if (!IN_SCR_FIELD(SCREENX(x), SCREENY(y)) || IS_MOVING(x, y))
4090 if (Feld[x][y] == EL_BD_DIAMOND)
4092 DrawLevelElementAnimation(x, y, el2img(Feld[x][y]));
4098 if (MovDelay[x][y] == 0) /* next animation frame */
4099 MovDelay[x][y] = 11 * !SimpleRND(500);
4101 if (MovDelay[x][y] != 0) /* wait some time before next frame */
4105 if (setup.direct_draw && MovDelay[x][y])
4106 SetDrawtoField(DRAW_BUFFERED);
4109 DrawGraphic(SCREENX(x), SCREENY(y), el2img(Feld[x][y]), 0);
4111 DrawLevelElementAnimation(x, y, Feld[x][y]);
4114 if (MovDelay[x][y] != 0)
4116 int frame = getGraphicAnimationFrame(IMG_TWINKLE_WHITE,
4117 10 - MovDelay[x][y]);
4119 DrawGraphicThruMask(SCREENX(x), SCREENY(y), IMG_TWINKLE_WHITE, frame);
4121 if (setup.direct_draw)
4125 dest_x = FX + SCREENX(x) * TILEX;
4126 dest_y = FY + SCREENY(y) * TILEY;
4128 BlitBitmap(drawto_field, window,
4129 dest_x, dest_y, TILEX, TILEY, dest_x, dest_y);
4130 SetDrawtoField(DRAW_DIRECT);
4137 void MauerWaechst(int x, int y)
4141 if (!MovDelay[x][y]) /* next animation frame */
4142 MovDelay[x][y] = 3 * delay;
4144 if (MovDelay[x][y]) /* wait some time before next frame */
4148 if (IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
4150 int graphic = el_dir2img(Feld[x][y], MovDir[x][y]);
4151 int frame = getGraphicAnimationFrame(graphic, 17 - MovDelay[x][y]);
4153 DrawGraphic(SCREENX(x), SCREENY(y), graphic, frame);
4156 if (!MovDelay[x][y])
4158 if (MovDir[x][y] == MV_LEFT)
4160 if (IN_LEV_FIELD(x - 1, y) && IS_MAUER(Feld[x - 1][y]))
4161 DrawLevelField(x - 1, y);
4163 else if (MovDir[x][y] == MV_RIGHT)
4165 if (IN_LEV_FIELD(x + 1, y) && IS_MAUER(Feld[x + 1][y]))
4166 DrawLevelField(x + 1, y);
4168 else if (MovDir[x][y] == MV_UP)
4170 if (IN_LEV_FIELD(x, y - 1) && IS_MAUER(Feld[x][y - 1]))
4171 DrawLevelField(x, y - 1);
4175 if (IN_LEV_FIELD(x, y + 1) && IS_MAUER(Feld[x][y + 1]))
4176 DrawLevelField(x, y + 1);
4179 Feld[x][y] = Store[x][y];
4181 MovDir[x][y] = MV_NO_MOVING;
4182 DrawLevelField(x, y);
4187 void MauerAbleger(int ax, int ay)
4189 int element = Feld[ax][ay];
4190 boolean oben_frei = FALSE, unten_frei = FALSE;
4191 boolean links_frei = FALSE, rechts_frei = FALSE;
4192 boolean oben_massiv = FALSE, unten_massiv = FALSE;
4193 boolean links_massiv = FALSE, rechts_massiv = FALSE;
4194 boolean new_wall = FALSE;
4196 if (!MovDelay[ax][ay]) /* start building new wall */
4197 MovDelay[ax][ay] = 6;
4199 if (MovDelay[ax][ay]) /* wait some time before building new wall */
4202 if (MovDelay[ax][ay])
4206 if (IN_LEV_FIELD(ax, ay-1) && IS_FREE(ax, ay-1))
4208 if (IN_LEV_FIELD(ax, ay+1) && IS_FREE(ax, ay+1))
4210 if (IN_LEV_FIELD(ax-1, ay) && IS_FREE(ax-1, ay))
4212 if (IN_LEV_FIELD(ax+1, ay) && IS_FREE(ax+1, ay))
4215 if (element == EL_WALL_GROWING_Y || element == EL_WALL_GROWING_XY)
4219 Feld[ax][ay-1] = EL_WALL_GROWING_ACTIVE;
4220 Store[ax][ay-1] = element;
4221 MovDir[ax][ay-1] = MV_UP;
4222 if (IN_SCR_FIELD(SCREENX(ax), SCREENY(ay-1)))
4223 DrawGraphic(SCREENX(ax), SCREENY(ay - 1),
4224 IMG_WALL_GROWING_ACTIVE_UP, 0);
4229 Feld[ax][ay+1] = EL_WALL_GROWING_ACTIVE;
4230 Store[ax][ay+1] = element;
4231 MovDir[ax][ay+1] = MV_DOWN;
4232 if (IN_SCR_FIELD(SCREENX(ax), SCREENY(ay+1)))
4233 DrawGraphic(SCREENX(ax), SCREENY(ay + 1),
4234 IMG_WALL_GROWING_ACTIVE_DOWN, 0);
4239 if (element == EL_WALL_GROWING_X || element == EL_WALL_GROWING_XY ||
4240 element == EL_WALL_GROWING)
4244 Feld[ax-1][ay] = EL_WALL_GROWING_ACTIVE;
4245 Store[ax-1][ay] = element;
4246 MovDir[ax-1][ay] = MV_LEFT;
4247 if (IN_SCR_FIELD(SCREENX(ax-1), SCREENY(ay)))
4248 DrawGraphic(SCREENX(ax - 1), SCREENY(ay),
4249 IMG_WALL_GROWING_ACTIVE_LEFT, 0);
4255 Feld[ax+1][ay] = EL_WALL_GROWING_ACTIVE;
4256 Store[ax+1][ay] = element;
4257 MovDir[ax+1][ay] = MV_RIGHT;
4258 if (IN_SCR_FIELD(SCREENX(ax+1), SCREENY(ay)))
4259 DrawGraphic(SCREENX(ax + 1), SCREENY(ay),
4260 IMG_WALL_GROWING_ACTIVE_RIGHT, 0);
4265 if (element == EL_WALL_GROWING && (links_frei || rechts_frei))
4266 DrawLevelField(ax, ay);
4268 if (!IN_LEV_FIELD(ax, ay-1) || IS_MAUER(Feld[ax][ay-1]))
4270 if (!IN_LEV_FIELD(ax, ay+1) || IS_MAUER(Feld[ax][ay+1]))
4271 unten_massiv = TRUE;
4272 if (!IN_LEV_FIELD(ax-1, ay) || IS_MAUER(Feld[ax-1][ay]))
4273 links_massiv = TRUE;
4274 if (!IN_LEV_FIELD(ax+1, ay) || IS_MAUER(Feld[ax+1][ay]))
4275 rechts_massiv = TRUE;
4277 if (((oben_massiv && unten_massiv) ||
4278 element == EL_WALL_GROWING_X || element == EL_WALL_GROWING) &&
4279 ((links_massiv && rechts_massiv) ||
4280 element == EL_WALL_GROWING_Y))
4281 Feld[ax][ay] = EL_WALL;
4284 PlaySoundLevel(ax, ay, SND_WALL_GROWING);
4287 void CheckForDragon(int x, int y)
4290 boolean dragon_found = FALSE;
4291 static int xy[4][2] =
4303 int xx = x + j*xy[i][0], yy = y + j*xy[i][1];
4305 if (IN_LEV_FIELD(xx, yy) &&
4306 (Feld[xx][yy] == EL_FLAMES || Feld[xx][yy] == EL_DRAGON))
4308 if (Feld[xx][yy] == EL_DRAGON)
4309 dragon_found = TRUE;
4322 int xx = x + j*xy[i][0], yy = y + j*xy[i][1];
4324 if (IN_LEV_FIELD(xx, yy) && Feld[xx][yy] == EL_FLAMES)
4326 Feld[xx][yy] = EL_EMPTY;
4327 DrawLevelField(xx, yy);
4336 static void InitBuggyBase(int x, int y)
4338 int element = Feld[x][y];
4339 int activating_delay = FRAMES_PER_SECOND / 4;
4342 (element == EL_SP_BUGGY_BASE ?
4343 2 * FRAMES_PER_SECOND + RND(5 * FRAMES_PER_SECOND) - activating_delay :
4344 element == EL_SP_BUGGY_BASE_ACTIVATING ?
4346 element == EL_SP_BUGGY_BASE_ACTIVE ?
4347 1 * FRAMES_PER_SECOND + RND(1 * FRAMES_PER_SECOND) : 1);
4350 static void WarnBuggyBase(int x, int y)
4353 static int xy[4][2] =
4363 int xx = x + xy[i][0], yy = y + xy[i][1];
4365 if (IS_PLAYER(xx, yy))
4367 PlaySoundLevel(x, y, SND_SP_BUGGY_BASE_ACTIVE);
4374 static void InitTrap(int x, int y)
4376 MovDelay[x][y] = 2 * FRAMES_PER_SECOND + RND(5 * FRAMES_PER_SECOND);
4379 static void ActivateTrap(int x, int y)
4381 PlaySoundLevel(x, y, SND_TRAP_ACTIVATING);
4384 static void ChangeActiveTrap(int x, int y)
4386 int graphic = IMG_TRAP_ACTIVE;
4388 /* if new animation frame was drawn, correct crumbled sand border */
4389 if (IS_NEW_FRAME(GfxFrame[x][y], graphic))
4390 DrawCrumbledSand(SCREENX(x), SCREENY(y));
4393 static void ChangeElement(int x, int y)
4395 int element = Feld[x][y];
4397 if (MovDelay[x][y] == 0) /* initialize element change */
4399 MovDelay[x][y] = changing_element[element].change_delay + 1;
4401 ResetGfxAnimation(x, y);
4402 ResetRandomAnimationValue(x, y);
4404 if (changing_element[element].pre_change_function)
4405 changing_element[element].pre_change_function(x, y);
4410 if (MovDelay[x][y] != 0) /* continue element change */
4412 if (IS_ANIMATED(el2img(element)))
4413 DrawLevelElementAnimationIfNeeded(x, y, element);
4415 if (changing_element[element].change_function)
4416 changing_element[element].change_function(x, y);
4418 else /* finish element change */
4420 Feld[x][y] = changing_element[element].next_element;
4422 ResetGfxAnimation(x, y);
4423 ResetRandomAnimationValue(x, y);
4425 DrawLevelField(x, y);
4427 if (changing_element[element].post_change_function)
4428 changing_element[element].post_change_function(x, y);
4432 static void PlayerActions(struct PlayerInfo *player, byte player_action)
4434 static byte stored_player_action[MAX_PLAYERS];
4435 static int num_stored_actions = 0;
4437 static boolean save_tape_entry = FALSE;
4439 boolean moved = FALSE, snapped = FALSE, bombed = FALSE;
4440 int left = player_action & JOY_LEFT;
4441 int right = player_action & JOY_RIGHT;
4442 int up = player_action & JOY_UP;
4443 int down = player_action & JOY_DOWN;
4444 int button1 = player_action & JOY_BUTTON_1;
4445 int button2 = player_action & JOY_BUTTON_2;
4446 int dx = (left ? -1 : right ? 1 : 0);
4447 int dy = (up ? -1 : down ? 1 : 0);
4449 stored_player_action[player->index_nr] = 0;
4450 num_stored_actions++;
4452 if (!player->active || tape.pausing)
4458 save_tape_entry = TRUE;
4460 player->frame_reset_delay = 0;
4463 snapped = SnapField(player, dx, dy);
4467 bombed = PlaceBomb(player);
4468 moved = MoveFigure(player, dx, dy);
4471 if (tape.single_step && tape.recording && !tape.pausing)
4473 if (button1 || (bombed && !moved))
4475 TapeTogglePause(TAPE_TOGGLE_AUTOMATIC);
4476 SnapField(player, 0, 0); /* stop snapping */
4481 if (tape.recording && (moved || snapped || bombed))
4483 if (bombed && !moved)
4484 player_action &= JOY_BUTTON;
4486 stored_player_action[player->index_nr] = player_action;
4487 save_tape_entry = TRUE;
4489 else if (tape.playing && snapped)
4490 SnapField(player, 0, 0); /* stop snapping */
4492 stored_player_action[player->index_nr] = player_action;
4497 /* no actions for this player (no input at player's configured device) */
4499 DigField(player, 0, 0, 0, 0, DF_NO_PUSH);
4500 SnapField(player, 0, 0);
4501 CheckGravityMovement(player);
4504 if (player->MovPos == 0) /* needed for tape.playing */
4505 player->is_moving = FALSE;
4508 if (player->MovPos == 0) /* needed for tape.playing */
4509 player->last_move_dir = MV_NO_MOVING;
4511 /* !!! CHECK THIS AGAIN !!!
4512 (Seems to be needed for some EL_ROBOT stuff, but breaks
4513 tapes when walking through pipes!)
4516 /* it seems that "player->last_move_dir" is misused as some sort of
4517 "player->is_just_moving_in_this_moment", which is needed for the
4518 robot stuff (robots don't kill players when they are moving)
4522 /* if the player does not move for some time, reset animation to start */
4523 if (++player->frame_reset_delay > player->move_delay_value)
4528 if (tape.recording && num_stored_actions >= MAX_PLAYERS && save_tape_entry)
4530 TapeRecordAction(stored_player_action);
4531 num_stored_actions = 0;
4532 save_tape_entry = FALSE;
4535 if (tape.recording && num_stored_actions >= MAX_PLAYERS)
4537 TapeRecordAction(stored_player_action);
4538 num_stored_actions = 0;
4543 if (tape.playing && !tape.pausing && !player_action &&
4544 tape.counter < tape.length)
4546 int jx = player->jx, jy = player->jy;
4548 tape.pos[tape.counter].action[player->index_nr] & (JOY_LEFT|JOY_RIGHT);
4550 if ((next_joy == JOY_LEFT || next_joy == JOY_RIGHT) &&
4551 (player->MovDir != JOY_UP && player->MovDir != JOY_DOWN))
4553 int dx = (next_joy == JOY_LEFT ? -1 : +1);
4555 if (IN_LEV_FIELD(jx+dx, jy) && IS_PUSHABLE(Feld[jx+dx][jy]))
4557 int el = Feld[jx+dx][jy];
4558 int push_delay = (IS_SB_ELEMENT(el) || el == EL_SATELLITE ? 2 :
4559 (el == EL_BALLOON || el == EL_SPRING) ? 0 : 10);
4561 if (tape.delay_played + push_delay >= tape.pos[tape.counter].delay)
4563 player->MovDir = next_joy;
4564 player->Frame = FrameCounter % 4;
4565 player->Pushing = TRUE;
4575 static unsigned long action_delay = 0;
4576 unsigned long action_delay_value;
4577 int magic_wall_x = 0, magic_wall_y = 0;
4578 int i, x, y, element, graphic;
4579 byte *recorded_player_action;
4580 byte summarized_player_action = 0;
4582 if (game_status != PLAYING)
4585 action_delay_value =
4586 (tape.playing && tape.fast_forward ? FfwdFrameDelay : GameFrameDelay);
4588 if (tape.playing && tape.index_search && !tape.pausing)
4589 action_delay_value = 0;
4591 /* ---------- main game synchronization point ---------- */
4593 WaitUntilDelayReached(&action_delay, action_delay_value);
4595 if (network_playing && !network_player_action_received)
4599 printf("DEBUG: try to get network player actions in time\n");
4603 #if defined(PLATFORM_UNIX)
4604 /* last chance to get network player actions without main loop delay */
4608 if (game_status != PLAYING)
4611 if (!network_player_action_received)
4615 printf("DEBUG: failed to get network player actions in time\n");
4625 recorded_player_action = (tape.playing ? TapePlayAction() : NULL);
4627 for (i=0; i<MAX_PLAYERS; i++)
4629 summarized_player_action |= stored_player[i].action;
4631 if (!network_playing)
4632 stored_player[i].effective_action = stored_player[i].action;
4635 #if defined(PLATFORM_UNIX)
4636 if (network_playing)
4637 SendToServer_MovePlayer(summarized_player_action);
4640 if (!options.network && !setup.team_mode)
4641 local_player->effective_action = summarized_player_action;
4643 for (i=0; i<MAX_PLAYERS; i++)
4645 int actual_player_action = stored_player[i].effective_action;
4647 if (stored_player[i].programmed_action)
4648 actual_player_action = stored_player[i].programmed_action;
4650 if (recorded_player_action)
4651 actual_player_action = recorded_player_action[i];
4653 PlayerActions(&stored_player[i], actual_player_action);
4654 ScrollFigure(&stored_player[i], SCROLL_GO_ON);
4657 network_player_action_received = FALSE;
4659 ScrollScreen(NULL, SCROLL_GO_ON);
4665 if (TimeFrames == 0 && local_player->active)
4667 extern unsigned int last_RND();
4669 printf("DEBUG: %03d last RND was %d \t [state checksum is %d]\n",
4670 TimePlayed, last_RND(), getStateCheckSum(TimePlayed));
4677 if (GameFrameDelay >= 500)
4678 printf("FrameCounter == %d\n", FrameCounter);
4685 for (y=0; y<lev_fieldy; y++) for (x=0; x<lev_fieldx; x++)
4688 if (JustStopped[x][y] > 0)
4689 JustStopped[x][y]--;
4694 if (IS_BLOCKED(x, y))
4698 Blocked2Moving(x, y, &oldx, &oldy);
4699 if (!IS_MOVING(oldx, oldy))
4701 printf("GameActions(): (BLOCKED => MOVING) context corrupted!\n");
4702 printf("GameActions(): BLOCKED: x = %d, y = %d\n", x, y);
4703 printf("GameActions(): !MOVING: oldx = %d, oldy = %d\n", oldx, oldy);
4704 printf("GameActions(): This should never happen!\n");
4710 for (y=0; y<lev_fieldy; y++) for (x=0; x<lev_fieldx; x++)
4712 element = Feld[x][y];
4713 graphic = el2img(element);
4716 if (graphic_info[graphic].anim_global_sync)
4717 GfxFrame[x][y] = FrameCounter;
4720 if (ANIM_MODE(graphic) == ANIM_RANDOM &&
4721 IS_NEXT_FRAME(GfxFrame[x][y], graphic))
4722 ResetRandomAnimationValue(x, y);
4724 SetRandomAnimationValue(x, y);
4726 if (IS_INACTIVE(element))
4730 if (IS_ANIMATED(graphic))
4731 DrawLevelGraphicAnimationIfNeeded(x, y, graphic);
4737 if (!IS_MOVING(x, y) && (CAN_FALL(element) || CAN_MOVE(element)))
4741 if (IS_ANIMATED(graphic) &&
4744 DrawLevelGraphicAnimationIfNeeded(x, y, graphic);
4746 if (IS_GEM(element) || element == EL_SP_INFOTRON)
4747 EdelsteinFunkeln(x, y);
4751 else if ((element == EL_ACID ||
4752 element == EL_EXIT_OPEN ||
4753 element == EL_SP_EXIT_OPEN ||
4754 element == EL_SP_TERMINAL ||
4755 element == EL_SP_TERMINAL_ACTIVE ||
4756 element == EL_EXTRA_TIME ||
4757 element == EL_SHIELD_NORMAL ||
4758 element == EL_SHIELD_DEADLY) &&
4759 IS_ANIMATED(graphic))
4760 DrawLevelGraphicAnimationIfNeeded(x, y, graphic);
4763 else if (IS_MOVING(x, y))
4764 ContinueMoving(x, y);
4765 else if (IS_ACTIVE_BOMB(element))
4766 CheckDynamite(x, y);
4768 else if (element == EL_EXPLOSION && !game.explosions_delayed)
4769 Explode(x, y, ExplodePhase[x][y], EX_NORMAL);
4771 else if (element == EL_AMOEBA_CREATING)
4772 AmoebeWaechst(x, y);
4773 else if (element == EL_AMOEBA_SHRINKING)
4774 AmoebaDisappearing(x, y);
4776 #if !USE_NEW_AMOEBA_CODE
4777 else if (IS_AMOEBALIVE(element))
4778 AmoebeAbleger(x, y);
4781 else if (element == EL_GAMEOFLIFE || element == EL_BIOMAZE)
4784 else if (element == EL_ROBOT_WHEEL_ACTIVE)
4786 else if (element == EL_TIMEGATE_SWITCH_ACTIVE)
4787 TimegateWheel(x, y);
4790 else if (element == EL_ACID_SPLASH_LEFT ||
4791 element == EL_ACID_SPLASH_RIGHT)
4795 else if (element == EL_NUT_CRACKING)
4797 else if (element == EL_PEARL_BREAKING)
4798 BreakingPearl(x, y);
4800 else if (element == EL_EXIT_CLOSED)
4802 else if (element == EL_SP_EXIT_CLOSED)
4805 else if (element == EL_EXIT_OPENING)
4806 AusgangstuerOeffnen(x, y);
4808 else if (element == EL_WALL_GROWING_ACTIVE)
4810 else if (element == EL_WALL_GROWING ||
4811 element == EL_WALL_GROWING_X ||
4812 element == EL_WALL_GROWING_Y ||
4813 element == EL_WALL_GROWING_XY)
4815 else if (element == EL_FLAMES)
4816 CheckForDragon(x, y);
4818 else if (element == EL_SP_BUGGY_BASE ||
4819 element == EL_SP_BUGGY_BASE_ACTIVATING ||
4820 element == EL_SP_BUGGY_BASE_ACTIVE)
4821 CheckBuggyBase(x, y);
4822 else if (element == EL_TRAP ||
4823 element == EL_TRAP_ACTIVE)
4825 else if (IS_BELT_ACTIVE(element))
4826 DrawBeltAnimation(x, y, element);
4827 else if (element == EL_SWITCHGATE_OPENING)
4828 OpenSwitchgate(x, y);
4829 else if (element == EL_SWITCHGATE_CLOSING)
4830 CloseSwitchgate(x, y);
4831 else if (element == EL_TIMEGATE_OPENING)
4833 else if (element == EL_TIMEGATE_CLOSING)
4834 CloseTimegate(x, y);
4837 else if (IS_AUTO_CHANGING(element))
4838 ChangeElement(x, y);
4841 else if (element == EL_EXPLOSION)
4842 ; /* drawing of correct explosion animation is handled separately */
4843 else if (IS_ANIMATED(graphic))
4844 DrawLevelGraphicAnimationIfNeeded(x, y, graphic);
4847 if (IS_BELT_ACTIVE(element))
4848 PlaySoundLevelAction(x, y, ACTION_ACTIVE);
4850 if (game.magic_wall_active)
4852 int jx = local_player->jx, jy = local_player->jy;
4854 /* play the element sound at the position nearest to the player */
4855 if ((element == EL_MAGIC_WALL_FULL ||
4856 element == EL_MAGIC_WALL_ACTIVE ||
4857 element == EL_MAGIC_WALL_EMPTYING ||
4858 element == EL_BD_MAGIC_WALL_FULL ||
4859 element == EL_BD_MAGIC_WALL_ACTIVE ||
4860 element == EL_BD_MAGIC_WALL_EMPTYING) &&
4861 ABS(x-jx) + ABS(y-jy) < ABS(magic_wall_x-jx) + ABS(magic_wall_y-jy))
4869 #if USE_NEW_AMOEBA_CODE
4870 /* new experimental amoeba growth stuff */
4872 if (!(FrameCounter % 8))
4875 static unsigned long random = 1684108901;
4877 for (i = 0; i < level.amoeba_speed * 28 / 8; i++)
4880 x = (random >> 10) % lev_fieldx;
4881 y = (random >> 20) % lev_fieldy;
4883 x = RND(lev_fieldx);
4884 y = RND(lev_fieldy);
4886 element = Feld[x][y];
4888 if (!IS_PLAYER(x,y) &&
4889 (element == EL_EMPTY ||
4890 element == EL_SAND ||
4891 element == EL_QUICKSAND_EMPTY ||
4892 element == EL_ACID_SPLASH_LEFT ||
4893 element == EL_ACID_SPLASH_RIGHT))
4895 if ((IN_LEV_FIELD(x, y-1) && Feld[x][y-1] == EL_AMOEBA_WET) ||
4896 (IN_LEV_FIELD(x-1, y) && Feld[x-1][y] == EL_AMOEBA_WET) ||
4897 (IN_LEV_FIELD(x+1, y) && Feld[x+1][y] == EL_AMOEBA_WET) ||
4898 (IN_LEV_FIELD(x, y+1) && Feld[x][y+1] == EL_AMOEBA_WET))
4899 Feld[x][y] = EL_AMOEBA_DROP;
4902 random = random * 129 + 1;
4908 if (game.explosions_delayed)
4911 game.explosions_delayed = FALSE;
4913 for (y=0; y<lev_fieldy; y++) for (x=0; x<lev_fieldx; x++)
4915 element = Feld[x][y];
4917 if (ExplodeField[x][y])
4918 Explode(x, y, EX_PHASE_START, ExplodeField[x][y]);
4919 else if (element == EL_EXPLOSION)
4920 Explode(x, y, ExplodePhase[x][y], EX_NORMAL);
4922 ExplodeField[x][y] = EX_NO_EXPLOSION;
4925 game.explosions_delayed = TRUE;
4928 if (game.magic_wall_active)
4930 if (!(game.magic_wall_time_left % 4))
4932 int element = Feld[magic_wall_x][magic_wall_y];
4934 if (element == EL_BD_MAGIC_WALL_FULL ||
4935 element == EL_BD_MAGIC_WALL_ACTIVE ||
4936 element == EL_BD_MAGIC_WALL_EMPTYING)
4937 PlaySoundLevel(magic_wall_x, magic_wall_y, SND_BD_MAGIC_WALL_ACTIVE);
4939 PlaySoundLevel(magic_wall_x, magic_wall_y, SND_MAGIC_WALL_ACTIVE);
4942 if (game.magic_wall_time_left > 0)
4944 game.magic_wall_time_left--;
4945 if (!game.magic_wall_time_left)
4947 for (y=0; y<lev_fieldy; y++) for (x=0; x<lev_fieldx; x++)
4949 element = Feld[x][y];
4951 if (element == EL_MAGIC_WALL_ACTIVE ||
4952 element == EL_MAGIC_WALL_FULL)
4954 Feld[x][y] = EL_MAGIC_WALL_DEAD;
4955 DrawLevelField(x, y);
4957 else if (element == EL_BD_MAGIC_WALL_ACTIVE ||
4958 element == EL_BD_MAGIC_WALL_FULL)
4960 Feld[x][y] = EL_BD_MAGIC_WALL_DEAD;
4961 DrawLevelField(x, y);
4965 game.magic_wall_active = FALSE;
4970 if (game.light_time_left > 0)
4972 game.light_time_left--;
4974 if (game.light_time_left == 0)
4975 RedrawAllLightSwitchesAndInvisibleElements();
4978 if (game.timegate_time_left > 0)
4980 game.timegate_time_left--;
4982 if (game.timegate_time_left == 0)
4983 CloseAllOpenTimegates();
4986 for (i=0; i<MAX_PLAYERS; i++)
4988 struct PlayerInfo *player = &stored_player[i];
4990 if (SHIELD_ON(player))
4992 if (player->shield_deadly_time_left)
4993 PlaySoundLevel(player->jx, player->jy, SND_SHIELD_DEADLY_ACTIVE);
4994 else if (player->shield_normal_time_left)
4995 PlaySoundLevel(player->jx, player->jy, SND_SHIELD_NORMAL_ACTIVE);
4999 if (TimeFrames >= (1000 / GameFrameDelay))
5004 for (i=0; i<MAX_PLAYERS; i++)
5006 struct PlayerInfo *player = &stored_player[i];
5008 if (SHIELD_ON(player))
5010 player->shield_normal_time_left--;
5012 if (player->shield_deadly_time_left > 0)
5013 player->shield_deadly_time_left--;
5017 if (tape.recording || tape.playing)
5018 DrawVideoDisplay(VIDEO_STATE_TIME_ON, TimePlayed);
5024 if (TimeLeft <= 10 && setup.time_limit)
5025 PlaySoundStereo(SND_GAME_RUNNING_OUT_OF_TIME, SOUND_MAX_RIGHT);
5027 DrawText(DX_TIME, DY_TIME, int2str(TimeLeft, 3), FS_SMALL, FC_YELLOW);
5029 if (!TimeLeft && setup.time_limit)
5030 for (i=0; i<MAX_PLAYERS; i++)
5031 KillHero(&stored_player[i]);
5033 else if (level.time == 0 && !AllPlayersGone) /* level without time limit */
5034 DrawText(DX_TIME, DY_TIME, int2str(TimePlayed, 3), FS_SMALL, FC_YELLOW);
5039 if (options.debug) /* calculate frames per second */
5041 static unsigned long fps_counter = 0;
5042 static int fps_frames = 0;
5043 unsigned long fps_delay_ms = Counter() - fps_counter;
5047 if (fps_delay_ms >= 500) /* calculate fps every 0.5 seconds */
5049 global.frames_per_second = 1000 * (float)fps_frames / fps_delay_ms;
5052 fps_counter = Counter();
5055 redraw_mask |= REDRAW_FPS;
5059 static boolean AllPlayersInSight(struct PlayerInfo *player, int x, int y)
5061 int min_x = x, min_y = y, max_x = x, max_y = y;
5064 for (i=0; i<MAX_PLAYERS; i++)
5066 int jx = stored_player[i].jx, jy = stored_player[i].jy;
5068 if (!stored_player[i].active || &stored_player[i] == player)
5071 min_x = MIN(min_x, jx);
5072 min_y = MIN(min_y, jy);
5073 max_x = MAX(max_x, jx);
5074 max_y = MAX(max_y, jy);
5077 return (max_x - min_x < SCR_FIELDX && max_y - min_y < SCR_FIELDY);
5080 static boolean AllPlayersInVisibleScreen()
5084 for (i=0; i<MAX_PLAYERS; i++)
5086 int jx = stored_player[i].jx, jy = stored_player[i].jy;
5088 if (!stored_player[i].active)
5091 if (!IN_VIS_FIELD(SCREENX(jx), SCREENY(jy)))
5098 void ScrollLevel(int dx, int dy)
5100 int softscroll_offset = (setup.soft_scrolling ? TILEX : 0);
5103 BlitBitmap(drawto_field, drawto_field,
5104 FX + TILEX*(dx == -1) - softscroll_offset,
5105 FY + TILEY*(dy == -1) - softscroll_offset,
5106 SXSIZE - TILEX*(dx!=0) + 2*softscroll_offset,
5107 SYSIZE - TILEY*(dy!=0) + 2*softscroll_offset,
5108 FX + TILEX*(dx == 1) - softscroll_offset,
5109 FY + TILEY*(dy == 1) - softscroll_offset);
5113 x = (dx == 1 ? BX1 : BX2);
5114 for (y=BY1; y<=BY2; y++)
5115 DrawScreenField(x, y);
5120 y = (dy == 1 ? BY1 : BY2);
5121 for (x=BX1; x<=BX2; x++)
5122 DrawScreenField(x, y);
5125 redraw_mask |= REDRAW_FIELD;
5128 static void CheckGravityMovement(struct PlayerInfo *player)
5130 if (level.gravity && !player->programmed_action)
5132 int move_dir_vertical = player->action & (MV_UP | MV_DOWN);
5133 int move_dir_horizontal = player->action & (MV_LEFT | MV_RIGHT);
5135 (player->last_move_dir & (MV_LEFT | MV_RIGHT) ?
5136 (move_dir_vertical ? move_dir_vertical : move_dir_horizontal) :
5137 (move_dir_horizontal ? move_dir_horizontal : move_dir_vertical));
5138 int jx = player->jx, jy = player->jy;
5139 int dx = (move_dir & MV_LEFT ? -1 : move_dir & MV_RIGHT ? +1 : 0);
5140 int dy = (move_dir & MV_UP ? -1 : move_dir & MV_DOWN ? +1 : 0);
5141 int new_jx = jx + dx, new_jy = jy + dy;
5142 boolean field_under_player_is_free =
5143 (IN_LEV_FIELD(jx, jy + 1) && IS_FREE(jx, jy + 1));
5144 boolean player_is_moving_to_valid_field =
5145 (IN_LEV_FIELD(new_jx, new_jy) &&
5146 (Feld[new_jx][new_jy] == EL_SP_BASE ||
5147 Feld[new_jx][new_jy] == EL_SAND));
5149 if (field_under_player_is_free &&
5150 !player_is_moving_to_valid_field &&
5151 !IS_TUBE(Feld[jx][jy]))
5152 player->programmed_action = MV_DOWN;
5156 boolean MoveFigureOneStep(struct PlayerInfo *player,
5157 int dx, int dy, int real_dx, int real_dy)
5159 int jx = player->jx, jy = player->jy;
5160 int new_jx = jx+dx, new_jy = jy+dy;
5164 if (!player->active || (!dx && !dy))
5165 return MF_NO_ACTION;
5167 player->MovDir = (dx < 0 ? MV_LEFT :
5170 dy > 0 ? MV_DOWN : MV_NO_MOVING);
5172 if (!IN_LEV_FIELD(new_jx, new_jy))
5173 return MF_NO_ACTION;
5175 if (!options.network && !AllPlayersInSight(player, new_jx, new_jy))
5176 return MF_NO_ACTION;
5179 element = MovingOrBlocked2Element(new_jx, new_jy);
5181 element = MovingOrBlocked2ElementIfNotLeaving(new_jx, new_jy);
5184 if (DONT_GO_TO(element))
5186 if (element == EL_ACID && dx == 0 && dy == 1)
5189 Feld[jx][jy] = EL_PLAYER1;
5190 InitMovingField(jx, jy, MV_DOWN);
5191 Store[jx][jy] = EL_ACID;
5192 ContinueMoving(jx, jy);
5196 TestIfHeroRunsIntoBadThing(jx, jy, player->MovDir);
5201 can_move = DigField(player, new_jx, new_jy, real_dx, real_dy, DF_DIG);
5202 if (can_move != MF_MOVING)
5205 StorePlayer[jx][jy] = 0;
5206 player->last_jx = jx;
5207 player->last_jy = jy;
5208 jx = player->jx = new_jx;
5209 jy = player->jy = new_jy;
5210 StorePlayer[jx][jy] = player->element_nr;
5213 (dx > 0 || dy > 0 ? -1 : 1) * (TILEX - TILEX / player->move_delay_value);
5215 ScrollFigure(player, SCROLL_INIT);
5220 boolean MoveFigure(struct PlayerInfo *player, int dx, int dy)
5222 int jx = player->jx, jy = player->jy;
5223 int old_jx = jx, old_jy = jy;
5224 int moved = MF_NO_ACTION;
5226 if (!player->active || (!dx && !dy))
5230 if (!FrameReached(&player->move_delay, player->move_delay_value) &&
5234 if (!FrameReached(&player->move_delay, player->move_delay_value) &&
5235 !(tape.playing && tape.file_version < FILE_VERSION_2_0))
5239 /* remove the last programmed player action */
5240 player->programmed_action = 0;
5244 /* should only happen if pre-1.2 tape recordings are played */
5245 /* this is only for backward compatibility */
5247 int original_move_delay_value = player->move_delay_value;
5250 printf("THIS SHOULD ONLY HAPPEN WITH PRE-1.2 LEVEL TAPES. [%ld]\n",
5254 /* scroll remaining steps with finest movement resolution */
5255 player->move_delay_value = MOVE_DELAY_NORMAL_SPEED;
5257 while (player->MovPos)
5259 ScrollFigure(player, SCROLL_GO_ON);
5260 ScrollScreen(NULL, SCROLL_GO_ON);
5266 player->move_delay_value = original_move_delay_value;
5269 if (player->last_move_dir & (MV_LEFT | MV_RIGHT))
5271 if (!(moved |= MoveFigureOneStep(player, 0, dy, dx, dy)))
5272 moved |= MoveFigureOneStep(player, dx, 0, dx, dy);
5276 if (!(moved |= MoveFigureOneStep(player, dx, 0, dx, dy)))
5277 moved |= MoveFigureOneStep(player, 0, dy, dx, dy);
5283 if (moved & MF_MOVING && !ScreenMovPos &&
5284 (player == local_player || !options.network))
5286 int old_scroll_x = scroll_x, old_scroll_y = scroll_y;
5287 int offset = (setup.scroll_delay ? 3 : 0);
5289 if (!IN_VIS_FIELD(SCREENX(jx), SCREENY(jy)))
5291 /* actual player has left the screen -- scroll in that direction */
5292 if (jx != old_jx) /* player has moved horizontally */
5293 scroll_x += (jx - old_jx);
5294 else /* player has moved vertically */
5295 scroll_y += (jy - old_jy);
5299 if (jx != old_jx) /* player has moved horizontally */
5301 if ((player->MovDir == MV_LEFT && scroll_x > jx - MIDPOSX + offset) ||
5302 (player->MovDir == MV_RIGHT && scroll_x < jx - MIDPOSX - offset))
5303 scroll_x = jx-MIDPOSX + (scroll_x < jx-MIDPOSX ? -offset : +offset);
5305 /* don't scroll over playfield boundaries */
5306 if (scroll_x < SBX_Left || scroll_x > SBX_Right)
5307 scroll_x = (scroll_x < SBX_Left ? SBX_Left : SBX_Right);
5309 /* don't scroll more than one field at a time */
5310 scroll_x = old_scroll_x + SIGN(scroll_x - old_scroll_x);
5312 /* don't scroll against the player's moving direction */
5313 if ((player->MovDir == MV_LEFT && scroll_x > old_scroll_x) ||
5314 (player->MovDir == MV_RIGHT && scroll_x < old_scroll_x))
5315 scroll_x = old_scroll_x;
5317 else /* player has moved vertically */
5319 if ((player->MovDir == MV_UP && scroll_y > jy - MIDPOSY + offset) ||
5320 (player->MovDir == MV_DOWN && scroll_y < jy - MIDPOSY - offset))
5321 scroll_y = jy-MIDPOSY + (scroll_y < jy-MIDPOSY ? -offset : +offset);
5323 /* don't scroll over playfield boundaries */
5324 if (scroll_y < SBY_Upper || scroll_y > SBY_Lower)
5325 scroll_y = (scroll_y < SBY_Upper ? SBY_Upper : SBY_Lower);
5327 /* don't scroll more than one field at a time */
5328 scroll_y = old_scroll_y + SIGN(scroll_y - old_scroll_y);
5330 /* don't scroll against the player's moving direction */
5331 if ((player->MovDir == MV_UP && scroll_y > old_scroll_y) ||
5332 (player->MovDir == MV_DOWN && scroll_y < old_scroll_y))
5333 scroll_y = old_scroll_y;
5337 if (scroll_x != old_scroll_x || scroll_y != old_scroll_y)
5339 if (!options.network && !AllPlayersInVisibleScreen())
5341 scroll_x = old_scroll_x;
5342 scroll_y = old_scroll_y;
5346 ScrollScreen(player, SCROLL_INIT);
5347 ScrollLevel(old_scroll_x - scroll_x, old_scroll_y - scroll_y);
5352 if (!(moved & MF_MOVING) && !player->Pushing)
5356 player->Frame = (player->Frame + 1) % 4;
5358 player->Frame += 1 * 0;
5361 if (moved & MF_MOVING)
5363 if (old_jx != jx && old_jy == jy)
5364 player->MovDir = (old_jx < jx ? MV_RIGHT : MV_LEFT);
5365 else if (old_jx == jx && old_jy != jy)
5366 player->MovDir = (old_jy < jy ? MV_DOWN : MV_UP);
5368 DrawLevelField(jx, jy); /* for "DrawCrumbledSand()" */
5370 player->last_move_dir = player->MovDir;
5371 player->is_moving = TRUE;
5375 CheckGravityMovement(player);
5378 player->last_move_dir = MV_NO_MOVING;
5380 player->is_moving = FALSE;
5383 TestIfHeroTouchesBadThing(jx, jy);
5385 if (!player->active)
5391 void ScrollFigure(struct PlayerInfo *player, int mode)
5393 int jx = player->jx, jy = player->jy;
5394 int last_jx = player->last_jx, last_jy = player->last_jy;
5395 int move_stepsize = TILEX / player->move_delay_value;
5397 if (!player->active || !player->MovPos)
5400 if (mode == SCROLL_INIT)
5402 player->actual_frame_counter = FrameCounter;
5403 player->GfxPos = move_stepsize * (player->MovPos / move_stepsize);
5407 if (Feld[last_jx][last_jy] == EL_EMPTY)
5408 Feld[last_jx][last_jy] = EL_PLAYER_IS_LEAVING;
5413 else if (!FrameReached(&player->actual_frame_counter, 1))
5416 player->MovPos += (player->MovPos > 0 ? -1 : 1) * move_stepsize;
5417 player->GfxPos = move_stepsize * (player->MovPos / move_stepsize);
5420 if (Feld[last_jx][last_jy] == EL_PLAYER_IS_LEAVING)
5421 Feld[last_jx][last_jy] = EL_EMPTY;
5423 /* before DrawPlayer() to draw correct player graphic for this case */
5424 if (player->MovPos == 0)
5425 CheckGravityMovement(player);
5429 if (player->MovPos == 0)
5431 if (IS_QUICK_GATE(Feld[last_jx][last_jy]))
5433 /* continue with normal speed after quickly moving through gate */
5434 HALVE_PLAYER_SPEED(player);
5436 /* be able to make the next move without delay */
5437 player->move_delay = 0;
5440 player->last_jx = jx;
5441 player->last_jy = jy;
5443 if (Feld[jx][jy] == EL_EXIT_OPEN ||
5444 Feld[jx][jy] == EL_SP_EXIT_OPEN)
5448 if (local_player->friends_still_needed == 0 ||
5449 Feld[jx][jy] == EL_SP_EXIT_OPEN)
5450 player->LevelSolved = player->GameOver = TRUE;
5453 if (tape.single_step && tape.recording && !tape.pausing &&
5454 !player->programmed_action)
5455 TapeTogglePause(TAPE_TOGGLE_AUTOMATIC);
5459 void ScrollScreen(struct PlayerInfo *player, int mode)
5461 static unsigned long screen_frame_counter = 0;
5463 if (mode == SCROLL_INIT)
5465 /* set scrolling step size according to actual player's moving speed */
5466 ScrollStepSize = TILEX / player->move_delay_value;
5468 screen_frame_counter = FrameCounter;
5469 ScreenMovDir = player->MovDir;
5470 ScreenMovPos = player->MovPos;
5471 ScreenGfxPos = ScrollStepSize * (ScreenMovPos / ScrollStepSize);
5474 else if (!FrameReached(&screen_frame_counter, 1))
5479 ScreenMovPos += (ScreenMovPos > 0 ? -1 : 1) * ScrollStepSize;
5480 ScreenGfxPos = ScrollStepSize * (ScreenMovPos / ScrollStepSize);
5481 redraw_mask |= REDRAW_FIELD;
5484 ScreenMovDir = MV_NO_MOVING;
5487 void TestIfGoodThingHitsBadThing(int good_x, int good_y, int good_move_dir)
5489 int i, kill_x = -1, kill_y = -1;
5490 static int test_xy[4][2] =
5497 static int test_dir[4] =
5507 int test_x, test_y, test_move_dir, test_element;
5509 test_x = good_x + test_xy[i][0];
5510 test_y = good_y + test_xy[i][1];
5511 if (!IN_LEV_FIELD(test_x, test_y))
5515 (IS_MOVING(test_x, test_y) ? MovDir[test_x][test_y] : MV_NO_MOVING);
5518 test_element = Feld[test_x][test_y];
5520 test_element = MovingOrBlocked2ElementIfNotLeaving(test_x, test_y);
5523 /* 1st case: good thing is moving towards DONT_GO_TO style bad thing;
5524 2nd case: DONT_TOUCH style bad thing does not move away from good thing
5526 if ((DONT_GO_TO(test_element) && good_move_dir == test_dir[i]) ||
5527 (DONT_TOUCH(test_element) && test_move_dir != test_dir[i]))
5535 if (kill_x != -1 || kill_y != -1)
5537 if (IS_PLAYER(good_x, good_y))
5539 struct PlayerInfo *player = PLAYERINFO(good_x, good_y);
5541 if (player->shield_deadly_time_left > 0)
5542 Bang(kill_x, kill_y);
5543 else if (!PLAYER_PROTECTED(good_x, good_y))
5547 Bang(good_x, good_y);
5551 void TestIfBadThingHitsGoodThing(int bad_x, int bad_y, int bad_move_dir)
5553 int i, kill_x = -1, kill_y = -1;
5554 int bad_element = Feld[bad_x][bad_y];
5555 static int test_xy[4][2] =
5562 static int test_dir[4] =
5570 if (bad_element == EL_EXPLOSION) /* skip just exploding bad things */
5575 int test_x, test_y, test_move_dir, test_element;
5577 test_x = bad_x + test_xy[i][0];
5578 test_y = bad_y + test_xy[i][1];
5579 if (!IN_LEV_FIELD(test_x, test_y))
5583 (IS_MOVING(test_x, test_y) ? MovDir[test_x][test_y] : MV_NO_MOVING);
5585 test_element = Feld[test_x][test_y];
5587 /* 1st case: good thing is moving towards DONT_GO_TO style bad thing;
5588 2nd case: DONT_TOUCH style bad thing does not move away from good thing
5590 if ((DONT_GO_TO(bad_element) && bad_move_dir == test_dir[i]) ||
5591 (DONT_TOUCH(bad_element) && test_move_dir != test_dir[i]))
5593 /* good thing is player or penguin that does not move away */
5594 if (IS_PLAYER(test_x, test_y))
5596 struct PlayerInfo *player = PLAYERINFO(test_x, test_y);
5598 if (bad_element == EL_ROBOT && player->is_moving)
5599 continue; /* robot does not kill player if he is moving */
5605 else if (test_element == EL_PENGUIN)
5614 if (kill_x != -1 || kill_y != -1)
5616 if (IS_PLAYER(kill_x, kill_y))
5618 struct PlayerInfo *player = PLAYERINFO(kill_x, kill_y);
5621 int dir = player->MovDir;
5622 int newx = player->jx + (dir == MV_LEFT ? -1 : dir == MV_RIGHT ? +1 : 0);
5623 int newy = player->jy + (dir == MV_UP ? -1 : dir == MV_DOWN ? +1 : 0);
5625 if (Feld[bad_x][bad_y] == EL_ROBOT && player->is_moving &&
5626 newx != bad_x && newy != bad_y)
5627 ; /* robot does not kill player if he is moving */
5629 printf("-> %d\n", player->MovDir);
5631 if (Feld[bad_x][bad_y] == EL_ROBOT && player->is_moving &&
5632 newx != bad_x && newy != bad_y)
5633 ; /* robot does not kill player if he is moving */
5638 if (player->shield_deadly_time_left > 0)
5640 else if (!PLAYER_PROTECTED(kill_x, kill_y))
5644 Bang(kill_x, kill_y);
5648 void TestIfHeroTouchesBadThing(int x, int y)
5650 TestIfGoodThingHitsBadThing(x, y, MV_NO_MOVING);
5653 void TestIfHeroRunsIntoBadThing(int x, int y, int move_dir)
5655 TestIfGoodThingHitsBadThing(x, y, move_dir);
5658 void TestIfBadThingTouchesHero(int x, int y)
5660 TestIfBadThingHitsGoodThing(x, y, MV_NO_MOVING);
5663 void TestIfBadThingRunsIntoHero(int x, int y, int move_dir)
5665 TestIfBadThingHitsGoodThing(x, y, move_dir);
5668 void TestIfFriendTouchesBadThing(int x, int y)
5670 TestIfGoodThingHitsBadThing(x, y, MV_NO_MOVING);
5673 void TestIfBadThingTouchesFriend(int x, int y)
5675 TestIfBadThingHitsGoodThing(x, y, MV_NO_MOVING);
5678 void TestIfBadThingTouchesOtherBadThing(int bad_x, int bad_y)
5680 int i, kill_x = bad_x, kill_y = bad_y;
5681 static int xy[4][2] =
5693 x = bad_x + xy[i][0];
5694 y = bad_y + xy[i][1];
5695 if (!IN_LEV_FIELD(x, y))
5698 element = Feld[x][y];
5699 if (IS_AMOEBOID(element) || element == EL_GAMEOFLIFE ||
5700 element == EL_AMOEBA_CREATING || element == EL_AMOEBA_DROP)
5708 if (kill_x != bad_x || kill_y != bad_y)
5712 void KillHero(struct PlayerInfo *player)
5714 int jx = player->jx, jy = player->jy;
5716 if (!player->active)
5719 if (IS_PFORTE(Feld[jx][jy]))
5720 Feld[jx][jy] = EL_EMPTY;
5722 /* deactivate shield (else Bang()/Explode() would not work right) */
5723 player->shield_normal_time_left = 0;
5724 player->shield_deadly_time_left = 0;
5730 static void KillHeroUnlessProtected(int x, int y)
5732 if (!PLAYER_PROTECTED(x, y))
5733 KillHero(PLAYERINFO(x, y));
5736 void BuryHero(struct PlayerInfo *player)
5738 int jx = player->jx, jy = player->jy;
5740 if (!player->active)
5743 PlaySoundLevel(jx, jy, SND_PLAYER_DYING);
5744 PlaySoundLevel(jx, jy, SND_GAME_LOSING);
5746 player->GameOver = TRUE;
5750 void RemoveHero(struct PlayerInfo *player)
5752 int jx = player->jx, jy = player->jy;
5753 int i, found = FALSE;
5755 player->present = FALSE;
5756 player->active = FALSE;
5758 if (!ExplodeField[jx][jy])
5759 StorePlayer[jx][jy] = 0;
5761 for (i=0; i<MAX_PLAYERS; i++)
5762 if (stored_player[i].active)
5766 AllPlayersGone = TRUE;
5772 int DigField(struct PlayerInfo *player,
5773 int x, int y, int real_dx, int real_dy, int mode)
5775 int jx = player->jx, jy = player->jy;
5776 int dx = x - jx, dy = y - jy;
5777 int move_direction = (dx == -1 ? MV_LEFT :
5778 dx == +1 ? MV_RIGHT :
5780 dy == +1 ? MV_DOWN : MV_NO_MOVING);
5783 if (player->MovPos == 0)
5784 player->Pushing = FALSE;
5786 if (mode == DF_NO_PUSH)
5788 player->Switching = FALSE;
5789 player->push_delay = 0;
5790 return MF_NO_ACTION;
5793 if (IS_MOVING(x, y) || IS_PLAYER(x, y))
5794 return MF_NO_ACTION;
5796 if (IS_TUBE(Feld[jx][jy]))
5799 int tube_leave_directions[][2] =
5801 { EL_TUBE_ALL, MV_LEFT | MV_RIGHT | MV_UP | MV_DOWN },
5802 { EL_TUBE_VERTICAL, MV_UP | MV_DOWN },
5803 { EL_TUBE_HORIZONTAL, MV_LEFT | MV_RIGHT },
5804 { EL_TUBE_VERTICAL_LEFT, MV_LEFT | MV_UP | MV_DOWN },
5805 { EL_TUBE_VERTICAL_RIGHT, MV_RIGHT | MV_UP | MV_DOWN },
5806 { EL_TUBE_HORIZONTAL_UP, MV_LEFT | MV_RIGHT | MV_UP },
5807 { EL_TUBE_HORIZONTAL_DOWN, MV_LEFT | MV_RIGHT | MV_DOWN },
5808 { EL_TUBE_LEFT_UP, MV_LEFT | MV_UP },
5809 { EL_TUBE_LEFT_DOWN, MV_LEFT | MV_DOWN },
5810 { EL_TUBE_RIGHT_UP, MV_RIGHT | MV_UP },
5811 { EL_TUBE_RIGHT_DOWN, MV_RIGHT | MV_DOWN },
5812 { -1, MV_LEFT | MV_RIGHT | MV_UP | MV_DOWN }
5815 while (tube_leave_directions[i][0] != Feld[jx][jy])
5818 if (tube_leave_directions[i][0] == -1) /* should not happen */
5822 if (!(tube_leave_directions[i][1] & move_direction))
5823 return MF_NO_ACTION; /* tube has no opening in this direction */
5826 element = Feld[x][y];
5832 case EL_INVISIBLE_SAND:
5833 case EL_INVISIBLE_SAND_ACTIVE:
5836 case EL_SP_BUGGY_BASE:
5837 case EL_SP_BUGGY_BASE_ACTIVATING:
5839 PlaySoundLevelElementAction(x, y, element, ACTION_DIGGING);
5844 case EL_EMERALD_YELLOW:
5845 case EL_EMERALD_RED:
5846 case EL_EMERALD_PURPLE:
5848 case EL_SP_INFOTRON:
5852 local_player->gems_still_needed -= (element == EL_DIAMOND ? 3 :
5853 element == EL_PEARL ? 5 :
5854 element == EL_CRYSTAL ? 8 : 1);
5855 if (local_player->gems_still_needed < 0)
5856 local_player->gems_still_needed = 0;
5857 RaiseScoreElement(element);
5858 DrawText(DX_EMERALDS, DY_EMERALDS,
5859 int2str(local_player->gems_still_needed, 3),
5860 FS_SMALL, FC_YELLOW);
5861 PlaySoundLevelElementAction(x, y, element, ACTION_COLLECTING);
5866 player->move_delay_value = MOVE_DELAY_HIGH_SPEED;
5867 PlaySoundLevel(x, y, SND_SPEED_PILL_COLLECTING);
5871 Feld[x][y] = EL_EMPTY;
5872 PlaySoundLevel(x, y, SND_ENVELOPE_COLLECTING);
5880 DrawText(DX_TIME, DY_TIME, int2str(TimeLeft, 3), FS_SMALL, FC_YELLOW);
5882 PlaySoundStereo(SND_EXTRA_TIME_COLLECTING, SOUND_MAX_RIGHT);
5885 case EL_SHIELD_NORMAL:
5887 player->shield_normal_time_left += 10;
5888 PlaySoundLevel(x, y, SND_SHIELD_NORMAL_COLLECTING);
5891 case EL_SHIELD_DEADLY:
5893 player->shield_normal_time_left += 10;
5894 player->shield_deadly_time_left += 10;
5895 PlaySoundLevel(x, y, SND_SHIELD_DEADLY_COLLECTING);
5899 case EL_SP_DISK_RED:
5902 RaiseScoreElement(EL_DYNAMITE);
5903 DrawText(DX_DYNAMITE, DY_DYNAMITE,
5904 int2str(local_player->dynamite, 3),
5905 FS_SMALL, FC_YELLOW);
5906 PlaySoundLevelElementAction(x, y, element, ACTION_COLLECTING);
5909 case EL_DYNABOMB_NR:
5911 player->dynabomb_count++;
5912 player->dynabombs_left++;
5913 RaiseScoreElement(EL_DYNAMITE);
5914 PlaySoundLevel(x, y, SND_DYNABOMB_NR_COLLECTING);
5917 case EL_DYNABOMB_SZ:
5919 player->dynabomb_size++;
5920 RaiseScoreElement(EL_DYNAMITE);
5921 PlaySoundLevel(x, y, SND_DYNABOMB_SZ_COLLECTING);
5924 case EL_DYNABOMB_XL:
5926 player->dynabomb_xl = TRUE;
5927 RaiseScoreElement(EL_DYNAMITE);
5928 PlaySoundLevel(x, y, SND_DYNABOMB_XL_COLLECTING);
5936 int key_nr = element - EL_KEY1;
5939 player->key[key_nr] = TRUE;
5940 RaiseScoreElement(element);
5941 DrawMiniGraphicExt(drawto, DX_KEYS + key_nr * MINI_TILEX, DY_KEYS,
5943 DrawMiniGraphicExt(window, DX_KEYS + key_nr * MINI_TILEX, DY_KEYS,
5945 PlaySoundLevel(x, y, SND_KEY_COLLECTING);
5954 int key_nr = element - EL_EM_KEY1;
5957 player->key[key_nr] = TRUE;
5958 RaiseScoreElement(element);
5959 DrawMiniGraphicExt(drawto, DX_KEYS + key_nr * MINI_TILEX, DY_KEYS,
5961 DrawMiniGraphicExt(window, DX_KEYS + key_nr * MINI_TILEX, DY_KEYS,
5963 PlaySoundLevel(x, y, SND_KEY_COLLECTING);
5967 case EL_ROBOT_WHEEL:
5968 Feld[x][y] = EL_ROBOT_WHEEL_ACTIVE;
5971 DrawLevelField(x, y);
5972 PlaySoundLevel(x, y, SND_ROBOT_WHEEL_ACTIVATING);
5976 case EL_SP_TERMINAL:
5980 PlaySoundLevel(x, y, SND_SP_TERMINAL_ACTIVATING);
5982 for (yy=0; yy<lev_fieldy; yy++)
5984 for (xx=0; xx<lev_fieldx; xx++)
5986 if (Feld[xx][yy] == EL_SP_DISK_YELLOW)
5988 else if (Feld[xx][yy] == EL_SP_TERMINAL)
5989 Feld[xx][yy] = EL_SP_TERMINAL_ACTIVE;
5997 case EL_CONVEYOR_BELT1_SWITCH_LEFT:
5998 case EL_CONVEYOR_BELT1_SWITCH_MIDDLE:
5999 case EL_CONVEYOR_BELT1_SWITCH_RIGHT:
6000 case EL_CONVEYOR_BELT2_SWITCH_LEFT:
6001 case EL_CONVEYOR_BELT2_SWITCH_MIDDLE:
6002 case EL_CONVEYOR_BELT2_SWITCH_RIGHT:
6003 case EL_CONVEYOR_BELT3_SWITCH_LEFT:
6004 case EL_CONVEYOR_BELT3_SWITCH_MIDDLE:
6005 case EL_CONVEYOR_BELT3_SWITCH_RIGHT:
6006 case EL_CONVEYOR_BELT4_SWITCH_LEFT:
6007 case EL_CONVEYOR_BELT4_SWITCH_MIDDLE:
6008 case EL_CONVEYOR_BELT4_SWITCH_RIGHT:
6009 if (!player->Switching)
6011 player->Switching = TRUE;
6012 ToggleBeltSwitch(x, y);
6013 PlaySoundLevel(x, y, SND_CONVEYOR_BELT_SWITCH_ACTIVATING);
6018 case EL_SWITCHGATE_SWITCH_UP:
6019 case EL_SWITCHGATE_SWITCH_DOWN:
6020 if (!player->Switching)
6022 player->Switching = TRUE;
6023 ToggleSwitchgateSwitch(x, y);
6024 PlaySoundLevel(x, y, SND_SWITCHGATE_SWITCH_ACTIVATING);
6029 case EL_LIGHT_SWITCH:
6030 case EL_LIGHT_SWITCH_ACTIVE:
6031 if (!player->Switching)
6033 player->Switching = TRUE;
6034 ToggleLightSwitch(x, y);
6035 PlaySoundLevel(x, y, element == EL_LIGHT_SWITCH ?
6036 SND_LIGHT_SWITCH_ACTIVATING :
6037 SND_LIGHT_SWITCH_DEACTIVATING);
6042 case EL_TIMEGATE_SWITCH:
6043 ActivateTimegateSwitch(x, y);
6044 PlaySoundLevel(x, y, SND_TIMEGATE_SWITCH_ACTIVATING);
6049 case EL_BALLOON_SEND_LEFT:
6050 case EL_BALLOON_SEND_RIGHT:
6051 case EL_BALLOON_SEND_UP:
6052 case EL_BALLOON_SEND_DOWN:
6053 case EL_BALLOON_SEND_ANY_DIRECTION:
6054 if (element == EL_BALLOON_SEND_ANY_DIRECTION)
6055 game.balloon_dir = move_direction;
6057 game.balloon_dir = (element == EL_BALLOON_SEND_LEFT ? MV_LEFT :
6058 element == EL_BALLOON_SEND_RIGHT ? MV_RIGHT :
6059 element == EL_BALLOON_SEND_UP ? MV_UP :
6060 element == EL_BALLOON_SEND_DOWN ? MV_DOWN :
6062 PlaySoundLevel(x, y, SND_BALLOON_SWITCH_ACTIVATING);
6067 /* the following elements cannot be pushed by "snapping" */
6070 case EL_DX_SUPABOMB:
6072 case EL_TIME_ORB_EMPTY:
6074 case EL_SP_DISK_ORANGE:
6076 if (mode == DF_SNAP)
6077 return MF_NO_ACTION;
6079 /* no "break" -- fall through to next case */
6081 /* the following elements can be pushed by "snapping" */
6084 return MF_NO_ACTION;
6086 player->Pushing = TRUE;
6088 if (!IN_LEV_FIELD(x+dx, y+dy) || !IS_FREE(x+dx, y+dy))
6089 return MF_NO_ACTION;
6093 if (IN_LEV_FIELD(jx, jy+real_dy) && !IS_SOLID(Feld[jx][jy+real_dy]))
6094 return MF_NO_ACTION;
6097 if (player->push_delay == 0)
6098 player->push_delay = FrameCounter;
6100 if (!FrameReached(&player->push_delay, player->push_delay_value) &&
6102 element != EL_SPRING)
6103 return MF_NO_ACTION;
6105 if (!FrameReached(&player->push_delay, player->push_delay_value) &&
6106 !(tape.playing && tape.file_version < FILE_VERSION_2_0) &&
6107 element != EL_SPRING)
6108 return MF_NO_ACTION;
6111 if (mode == DF_SNAP)
6113 InitMovingField(x, y, move_direction);
6114 ContinueMoving(x, y);
6119 Feld[x + dx][y + dy] = element;
6122 if (element == EL_SPRING)
6124 Feld[x + dx][y + dy] = EL_SPRING;
6125 MovDir[x + dx][y + dy] = move_direction;
6128 player->push_delay_value = (element == EL_SPRING ? 0 : 2 + RND(8));
6130 DrawLevelField(x + dx, y + dy);
6131 PlaySoundLevelElementAction(x, y, element, ACTION_PUSHING);
6138 if (!player->key[element - EL_GATE1])
6139 return MF_NO_ACTION;
6146 if (!player->key[element - EL_GATE1_GRAY])
6147 return MF_NO_ACTION;
6154 if (!player->key[element - EL_EM_GATE1])
6155 return MF_NO_ACTION;
6156 if (!IN_LEV_FIELD(x + dx, y + dy) || !IS_FREE(x + dx, y + dy))
6157 return MF_NO_ACTION;
6159 /* automatically move to the next field with double speed */
6160 player->programmed_action = move_direction;
6161 DOUBLE_PLAYER_SPEED(player);
6163 PlaySoundLevel(x, y, SND_GATE_PASSING);
6166 case EL_EM_GATE1_GRAY:
6167 case EL_EM_GATE2_GRAY:
6168 case EL_EM_GATE3_GRAY:
6169 case EL_EM_GATE4_GRAY:
6170 if (!player->key[element - EL_EM_GATE1_GRAY])
6171 return MF_NO_ACTION;
6172 if (!IN_LEV_FIELD(x + dx, y + dy) || !IS_FREE(x + dx, y + dy))
6173 return MF_NO_ACTION;
6175 /* automatically move to the next field with double speed */
6176 player->programmed_action = move_direction;
6177 DOUBLE_PLAYER_SPEED(player);
6179 PlaySoundLevel(x, y, SND_GATE_PASSING);
6182 case EL_SWITCHGATE_OPEN:
6183 case EL_TIMEGATE_OPEN:
6184 if (!IN_LEV_FIELD(x + dx, y + dy) || !IS_FREE(x + dx, y + dy))
6185 return MF_NO_ACTION;
6187 /* automatically move to the next field with double speed */
6188 player->programmed_action = move_direction;
6189 DOUBLE_PLAYER_SPEED(player);
6191 PlaySoundLevelElementAction(x, y, element, ACTION_PASSING);
6194 case EL_SP_PORT1_LEFT:
6195 case EL_SP_PORT2_LEFT:
6196 case EL_SP_PORT1_RIGHT:
6197 case EL_SP_PORT2_RIGHT:
6198 case EL_SP_PORT1_UP:
6199 case EL_SP_PORT2_UP:
6200 case EL_SP_PORT1_DOWN:
6201 case EL_SP_PORT2_DOWN:
6206 element != EL_SP_PORT1_LEFT &&
6207 element != EL_SP_PORT2_LEFT &&
6208 element != EL_SP_PORT_X &&
6209 element != EL_SP_PORT_XY) ||
6211 element != EL_SP_PORT1_RIGHT &&
6212 element != EL_SP_PORT2_RIGHT &&
6213 element != EL_SP_PORT_X &&
6214 element != EL_SP_PORT_XY) ||
6216 element != EL_SP_PORT1_UP &&
6217 element != EL_SP_PORT2_UP &&
6218 element != EL_SP_PORT_Y &&
6219 element != EL_SP_PORT_XY) ||
6221 element != EL_SP_PORT1_DOWN &&
6222 element != EL_SP_PORT2_DOWN &&
6223 element != EL_SP_PORT_Y &&
6224 element != EL_SP_PORT_XY) ||
6225 !IN_LEV_FIELD(x + dx, y + dy) ||
6226 !IS_FREE(x + dx, y + dy))
6227 return MF_NO_ACTION;
6229 /* automatically move to the next field with double speed */
6230 player->programmed_action = move_direction;
6231 DOUBLE_PLAYER_SPEED(player);
6233 PlaySoundLevel(x, y, SND_SP_PORT_PASSING);
6237 case EL_TUBE_VERTICAL:
6238 case EL_TUBE_HORIZONTAL:
6239 case EL_TUBE_VERTICAL_LEFT:
6240 case EL_TUBE_VERTICAL_RIGHT:
6241 case EL_TUBE_HORIZONTAL_UP:
6242 case EL_TUBE_HORIZONTAL_DOWN:
6243 case EL_TUBE_LEFT_UP:
6244 case EL_TUBE_LEFT_DOWN:
6245 case EL_TUBE_RIGHT_UP:
6246 case EL_TUBE_RIGHT_DOWN:
6249 int tube_enter_directions[][2] =
6251 { EL_TUBE_ALL, MV_LEFT | MV_RIGHT | MV_UP | MV_DOWN },
6252 { EL_TUBE_VERTICAL, MV_UP | MV_DOWN },
6253 { EL_TUBE_HORIZONTAL, MV_LEFT | MV_RIGHT },
6254 { EL_TUBE_VERTICAL_LEFT, MV_RIGHT | MV_UP | MV_DOWN },
6255 { EL_TUBE_VERTICAL_RIGHT, MV_LEFT | MV_UP | MV_DOWN },
6256 { EL_TUBE_HORIZONTAL_UP, MV_LEFT | MV_RIGHT | MV_DOWN },
6257 { EL_TUBE_HORIZONTAL_DOWN, MV_LEFT | MV_RIGHT | MV_UP },
6258 { EL_TUBE_LEFT_UP, MV_RIGHT | MV_DOWN },
6259 { EL_TUBE_LEFT_DOWN, MV_RIGHT | MV_UP },
6260 { EL_TUBE_RIGHT_UP, MV_LEFT | MV_DOWN },
6261 { EL_TUBE_RIGHT_DOWN, MV_LEFT | MV_UP },
6262 { -1, MV_NO_MOVING }
6265 while (tube_enter_directions[i][0] != element)
6268 if (tube_enter_directions[i][0] == -1) /* should not happen */
6272 if (!(tube_enter_directions[i][1] & move_direction))
6273 return MF_NO_ACTION; /* tube has no opening in this direction */
6275 PlaySoundLevel(x, y, SND_TUBE_PASSING);
6279 case EL_EXIT_CLOSED:
6280 case EL_SP_EXIT_CLOSED:
6281 case EL_EXIT_OPENING:
6282 return MF_NO_ACTION;
6286 case EL_SP_EXIT_OPEN:
6287 if (mode == DF_SNAP)
6288 return MF_NO_ACTION;
6290 if (element == EL_EXIT_OPEN)
6291 PlaySoundLevel(x, y, SND_EXIT_PASSING);
6293 PlaySoundLevel(x, y, SND_SP_EXIT_PASSING);
6298 Feld[x][y] = EL_LAMP_ACTIVE;
6299 local_player->lights_still_needed--;
6300 DrawLevelField(x, y);
6301 PlaySoundLevel(x, y, SND_LAMP_ACTIVATING);
6305 case EL_TIME_ORB_FULL:
6306 Feld[x][y] = EL_TIME_ORB_EMPTY;
6308 DrawText(DX_TIME, DY_TIME, int2str(TimeLeft, 3), FS_SMALL, FC_YELLOW);
6309 DrawLevelField(x, y);
6310 PlaySoundStereo(SND_TIME_ORB_FULL_COLLECTING, SOUND_MAX_RIGHT);
6314 case EL_SOKOBAN_FIELD_EMPTY:
6317 case EL_SOKOBAN_OBJECT:
6318 case EL_SOKOBAN_FIELD_FULL:
6320 case EL_SP_DISK_YELLOW:
6322 if (mode == DF_SNAP)
6323 return MF_NO_ACTION;
6325 player->Pushing = TRUE;
6327 if (!IN_LEV_FIELD(x+dx, y+dy)
6328 || (!IS_FREE(x+dx, y+dy)
6329 && (Feld[x+dx][y+dy] != EL_SOKOBAN_FIELD_EMPTY
6330 || !IS_SB_ELEMENT(element))))
6331 return MF_NO_ACTION;
6335 if (IN_LEV_FIELD(jx, jy+real_dy) && !IS_SOLID(Feld[jx][jy+real_dy]))
6336 return MF_NO_ACTION;
6338 else if (dy && real_dx)
6340 if (IN_LEV_FIELD(jx+real_dx, jy) && !IS_SOLID(Feld[jx+real_dx][jy]))
6341 return MF_NO_ACTION;
6344 if (player->push_delay == 0)
6345 player->push_delay = FrameCounter;
6347 if (!FrameReached(&player->push_delay, player->push_delay_value) &&
6348 !tape.playing && element != EL_BALLOON)
6349 return MF_NO_ACTION;
6351 if (!FrameReached(&player->push_delay, player->push_delay_value) &&
6352 !(tape.playing && tape.file_version < FILE_VERSION_2_0) &&
6353 element != EL_BALLOON)
6354 return MF_NO_ACTION;
6357 if (IS_SB_ELEMENT(element))
6359 if (element == EL_SOKOBAN_FIELD_FULL)
6361 Feld[x][y] = EL_SOKOBAN_FIELD_EMPTY;
6362 local_player->sokobanfields_still_needed++;
6367 if (Feld[x+dx][y+dy] == EL_SOKOBAN_FIELD_EMPTY)
6369 Feld[x+dx][y+dy] = EL_SOKOBAN_FIELD_FULL;
6370 local_player->sokobanfields_still_needed--;
6371 if (element == EL_SOKOBAN_OBJECT)
6372 PlaySoundLevel(x, y, SND_SOKOBAN_FIELD_FILLING);
6374 PlaySoundLevel(x, y, SND_SOKOBAN_OBJECT_PUSHING);
6378 Feld[x+dx][y+dy] = EL_SOKOBAN_OBJECT;
6379 if (element == EL_SOKOBAN_FIELD_FULL)
6380 PlaySoundLevel(x, y, SND_SOKOBAN_FIELD_EMPTYING);
6382 PlaySoundLevel(x, y, SND_SOKOBAN_OBJECT_PUSHING);
6388 Feld[x+dx][y+dy] = element;
6389 PlaySoundLevelElementAction(x, y, element, ACTION_PUSHING);
6392 player->push_delay_value = (element == EL_BALLOON ? 0 : 2);
6394 DrawLevelField(x, y);
6395 DrawLevelField(x + dx, y + dy);
6397 if (IS_SB_ELEMENT(element) &&
6398 local_player->sokobanfields_still_needed == 0 &&
6399 game.emulation == EMU_SOKOBAN)
6401 player->LevelSolved = player->GameOver = TRUE;
6402 PlaySoundLevel(x, y, SND_SOKOBAN_GAME_SOLVING);
6413 if (IS_PUSHABLE(element))
6415 if (mode == DF_SNAP)
6416 return MF_NO_ACTION;
6418 if (CAN_FALL(element) && dy)
6419 return MF_NO_ACTION;
6421 player->Pushing = TRUE;
6423 if (!IN_LEV_FIELD(x+dx, y+dy) || !IS_FREE(x+dx, y+dy))
6424 return MF_NO_ACTION;
6428 if (IN_LEV_FIELD(jx, jy+real_dy) && !IS_SOLID(Feld[jx][jy+real_dy]))
6429 return MF_NO_ACTION;
6431 else if (dy && real_dx)
6433 if (IN_LEV_FIELD(jx+real_dx, jy) && !IS_SOLID(Feld[jx+real_dx][jy]))
6434 return MF_NO_ACTION;
6437 if (player->push_delay == 0)
6438 player->push_delay = FrameCounter;
6440 if (!FrameReached(&player->push_delay, player->push_delay_value) &&
6441 !(tape.playing && tape.file_version < FILE_VERSION_2_0))
6442 return MF_NO_ACTION;
6445 Feld[x + dx][y + dy] = element;
6447 player->push_delay_value = 2 + RND(8);
6449 DrawLevelField(x + dx, y + dy);
6450 PlaySoundLevelElementAction(x, y, element, ACTION_PUSHING);
6455 return MF_NO_ACTION;
6458 player->push_delay = 0;
6463 boolean SnapField(struct PlayerInfo *player, int dx, int dy)
6465 int jx = player->jx, jy = player->jy;
6466 int x = jx + dx, y = jy + dy;
6468 if (!player->active || !IN_LEV_FIELD(x, y))
6476 if (player->MovPos == 0)
6477 player->Pushing = FALSE;
6479 player->snapped = FALSE;
6483 if (player->snapped)
6486 player->MovDir = (dx < 0 ? MV_LEFT :
6489 dy > 0 ? MV_DOWN : MV_NO_MOVING);
6491 if (!DigField(player, x, y, 0, 0, DF_SNAP))
6494 player->snapped = TRUE;
6495 DrawLevelField(x, y);
6501 boolean PlaceBomb(struct PlayerInfo *player)
6503 int jx = player->jx, jy = player->jy;
6506 if (!player->active || player->MovPos)
6509 element = Feld[jx][jy];
6511 if ((player->dynamite == 0 && player->dynabombs_left == 0) ||
6512 IS_ACTIVE_BOMB(element) || element == EL_EXPLOSION)
6515 if (element != EL_EMPTY)
6516 Store[jx][jy] = element;
6518 MovDelay[jx][jy] = 96;
6520 ResetGfxAnimation(jx, jy);
6521 ResetRandomAnimationValue(jx, jy);
6523 if (player->dynamite)
6525 Feld[jx][jy] = EL_DYNAMITE_ACTIVE;
6528 DrawText(DX_DYNAMITE, DY_DYNAMITE, int2str(local_player->dynamite, 3),
6529 FS_SMALL, FC_YELLOW);
6530 if (IN_SCR_FIELD(SCREENX(jx), SCREENY(jy)))
6532 if (game.emulation == EMU_SUPAPLEX)
6533 DrawGraphic(SCREENX(jx), SCREENY(jy), IMG_SP_DISK_RED, 0);
6535 DrawGraphicThruMask(SCREENX(jx), SCREENY(jy), IMG_DYNAMITE_ACTIVE, 0);
6538 PlaySoundLevel(jx, jy, SND_DYNAMITE_DROPPING);
6543 EL_DYNABOMB_PLAYER1_ACTIVE + (player->element_nr - EL_PLAYER1);
6544 player->dynabombs_left--;
6546 if (IN_SCR_FIELD(SCREENX(jx), SCREENY(jy)))
6547 DrawGraphicThruMask(SCREENX(jx), SCREENY(jy), el2img(Feld[jx][jy]), 0);
6549 PlaySoundLevel(jx, jy, SND_DYNABOMB_DROPPING);
6555 /* ------------------------------------------------------------------------- */
6556 /* game sound playing functions */
6557 /* ------------------------------------------------------------------------- */
6559 static int *loop_sound_frame = NULL;
6560 static int *loop_sound_volume = NULL;
6562 void InitPlaySoundLevel()
6564 int num_sounds = getSoundListSize();
6566 if (loop_sound_frame != NULL)
6567 free(loop_sound_frame);
6569 if (loop_sound_volume != NULL)
6570 free(loop_sound_volume);
6572 loop_sound_frame = checked_calloc(num_sounds * sizeof(int));
6573 loop_sound_volume = checked_calloc(num_sounds * sizeof(int));
6576 static void PlaySoundLevel(int x, int y, int nr)
6578 int sx = SCREENX(x), sy = SCREENY(y);
6579 int volume, stereo_position;
6580 int max_distance = 8;
6581 int type = (IS_LOOP_SOUND(nr) ? SND_CTRL_PLAY_LOOP : SND_CTRL_PLAY_SOUND);
6583 if ((!setup.sound_simple && !IS_LOOP_SOUND(nr)) ||
6584 (!setup.sound_loops && IS_LOOP_SOUND(nr)))
6587 if (!IN_LEV_FIELD(x, y) ||
6588 sx < -max_distance || sx >= SCR_FIELDX + max_distance ||
6589 sy < -max_distance || sy >= SCR_FIELDY + max_distance)
6592 volume = SOUND_MAX_VOLUME;
6594 if (!IN_SCR_FIELD(sx, sy))
6596 int dx = ABS(sx - SCR_FIELDX / 2) - SCR_FIELDX / 2;
6597 int dy = ABS(sy - SCR_FIELDY / 2) - SCR_FIELDY / 2;
6599 volume -= volume * (dx > dy ? dx : dy) / max_distance;
6602 stereo_position = (SOUND_MAX_LEFT +
6603 (sx + max_distance) * SOUND_MAX_LEFT2RIGHT /
6604 (SCR_FIELDX + 2 * max_distance));
6606 if (IS_LOOP_SOUND(nr))
6608 /* This assures that quieter loop sounds do not overwrite louder ones,
6609 while restarting sound volume comparison with each new game frame. */
6611 if (loop_sound_volume[nr] > volume && loop_sound_frame[nr] == FrameCounter)
6614 loop_sound_volume[nr] = volume;
6615 loop_sound_frame[nr] = FrameCounter;
6618 PlaySoundExt(nr, volume, stereo_position, type);
6621 static void PlaySoundLevelNearest(int x, int y, int sound_action)
6623 PlaySoundLevel(x < LEVELX(BX1) ? LEVELX(BX1) :
6624 x > LEVELX(BX2) ? LEVELX(BX2) : x,
6625 y < LEVELY(BY1) ? LEVELY(BY1) :
6626 y > LEVELY(BY2) ? LEVELY(BY2) : y,
6630 static void PlaySoundLevelAction(int x, int y, int sound_action)
6632 PlaySoundLevelElementAction(x, y, Feld[x][y], sound_action);
6635 static void PlaySoundLevelElementAction(int x, int y, int element,
6638 int sound_effect = element_info[element].sound[sound_action];
6640 if (sound_effect != SND_UNDEFINED)
6641 PlaySoundLevel(x, y, sound_effect);
6644 void RaiseScore(int value)
6646 local_player->score += value;
6647 DrawText(DX_SCORE, DY_SCORE, int2str(local_player->score, 5),
6648 FS_SMALL, FC_YELLOW);
6651 void RaiseScoreElement(int element)
6657 case EL_EMERALD_YELLOW:
6658 case EL_EMERALD_RED:
6659 case EL_EMERALD_PURPLE:
6660 RaiseScore(level.score[SC_EDELSTEIN]);
6663 RaiseScore(level.score[SC_DIAMANT]);
6666 case EL_BD_BUTTERFLY:
6667 RaiseScore(level.score[SC_KAEFER]);
6671 RaiseScore(level.score[SC_FLIEGER]);
6674 case EL_DARK_YAMYAM:
6675 RaiseScore(level.score[SC_MAMPFER]);
6678 RaiseScore(level.score[SC_ROBOT]);
6681 RaiseScore(level.score[SC_PACMAN]);
6684 RaiseScore(level.score[SC_KOKOSNUSS]);
6687 RaiseScore(level.score[SC_DYNAMIT]);
6693 RaiseScore(level.score[SC_SCHLUESSEL]);
6700 void RequestQuitGame(boolean ask_if_really_quit)
6702 if (AllPlayersGone ||
6703 !ask_if_really_quit ||
6704 level_editor_test_game ||
6705 Request("Do you really want to quit the game ?",
6706 REQ_ASK | REQ_STAY_CLOSED))
6708 #if defined(PLATFORM_UNIX)
6709 if (options.network)
6710 SendToServer_StopPlaying();
6714 game_status = MAINMENU;
6720 OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
6725 /* ---------- new game button stuff ---------------------------------------- */
6727 /* graphic position values for game buttons */
6728 #define GAME_BUTTON_XSIZE 30
6729 #define GAME_BUTTON_YSIZE 30
6730 #define GAME_BUTTON_XPOS 5
6731 #define GAME_BUTTON_YPOS 215
6732 #define SOUND_BUTTON_XPOS 5
6733 #define SOUND_BUTTON_YPOS (GAME_BUTTON_YPOS + GAME_BUTTON_YSIZE)
6735 #define GAME_BUTTON_STOP_XPOS (GAME_BUTTON_XPOS + 0 * GAME_BUTTON_XSIZE)
6736 #define GAME_BUTTON_PAUSE_XPOS (GAME_BUTTON_XPOS + 1 * GAME_BUTTON_XSIZE)
6737 #define GAME_BUTTON_PLAY_XPOS (GAME_BUTTON_XPOS + 2 * GAME_BUTTON_XSIZE)
6738 #define SOUND_BUTTON_MUSIC_XPOS (SOUND_BUTTON_XPOS + 0 * GAME_BUTTON_XSIZE)
6739 #define SOUND_BUTTON_LOOPS_XPOS (SOUND_BUTTON_XPOS + 1 * GAME_BUTTON_XSIZE)
6740 #define SOUND_BUTTON_SIMPLE_XPOS (SOUND_BUTTON_XPOS + 2 * GAME_BUTTON_XSIZE)
6747 } gamebutton_info[NUM_GAME_BUTTONS] =
6750 GAME_BUTTON_STOP_XPOS, GAME_BUTTON_YPOS,
6755 GAME_BUTTON_PAUSE_XPOS, GAME_BUTTON_YPOS,
6760 GAME_BUTTON_PLAY_XPOS, GAME_BUTTON_YPOS,
6765 SOUND_BUTTON_MUSIC_XPOS, SOUND_BUTTON_YPOS,
6766 SOUND_CTRL_ID_MUSIC,
6767 "background music on/off"
6770 SOUND_BUTTON_LOOPS_XPOS, SOUND_BUTTON_YPOS,
6771 SOUND_CTRL_ID_LOOPS,
6772 "sound loops on/off"
6775 SOUND_BUTTON_SIMPLE_XPOS, SOUND_BUTTON_YPOS,
6776 SOUND_CTRL_ID_SIMPLE,
6777 "normal sounds on/off"
6781 void CreateGameButtons()
6785 for (i=0; i<NUM_GAME_BUTTONS; i++)
6787 Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6788 struct GadgetInfo *gi;
6791 unsigned long event_mask;
6792 int gd_xoffset, gd_yoffset;
6793 int gd_x1, gd_x2, gd_y1, gd_y2;
6796 gd_xoffset = gamebutton_info[i].x;
6797 gd_yoffset = gamebutton_info[i].y;
6798 gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
6799 gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
6801 if (id == GAME_CTRL_ID_STOP ||
6802 id == GAME_CTRL_ID_PAUSE ||
6803 id == GAME_CTRL_ID_PLAY)
6805 button_type = GD_TYPE_NORMAL_BUTTON;
6807 event_mask = GD_EVENT_RELEASED;
6808 gd_y1 = DOOR_GFX_PAGEY1 + gd_yoffset - GAME_BUTTON_YSIZE;
6809 gd_y2 = DOOR_GFX_PAGEY1 + gd_yoffset - GAME_BUTTON_YSIZE;
6813 button_type = GD_TYPE_CHECK_BUTTON;
6815 ((id == SOUND_CTRL_ID_MUSIC && setup.sound_music) ||
6816 (id == SOUND_CTRL_ID_LOOPS && setup.sound_loops) ||
6817 (id == SOUND_CTRL_ID_SIMPLE && setup.sound_simple) ? TRUE : FALSE);
6818 event_mask = GD_EVENT_PRESSED;
6819 gd_y1 = DOOR_GFX_PAGEY1 + gd_yoffset;
6820 gd_y2 = DOOR_GFX_PAGEY1 + gd_yoffset - GAME_BUTTON_YSIZE;
6823 gi = CreateGadget(GDI_CUSTOM_ID, id,
6824 GDI_INFO_TEXT, gamebutton_info[i].infotext,
6825 GDI_X, DX + gd_xoffset,
6826 GDI_Y, DY + gd_yoffset,
6827 GDI_WIDTH, GAME_BUTTON_XSIZE,
6828 GDI_HEIGHT, GAME_BUTTON_YSIZE,
6829 GDI_TYPE, button_type,
6830 GDI_STATE, GD_BUTTON_UNPRESSED,
6831 GDI_CHECKED, checked,
6832 GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6833 GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
6834 GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
6835 GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6836 GDI_EVENT_MASK, event_mask,
6837 GDI_CALLBACK_ACTION, HandleGameButtons,
6841 Error(ERR_EXIT, "cannot create gadget");
6843 game_gadget[id] = gi;
6847 void FreeGameButtons()
6851 for (i=0; i<NUM_GAME_BUTTONS; i++)
6852 FreeGadget(game_gadget[i]);
6855 static void MapGameButtons()
6859 for (i=0; i<NUM_GAME_BUTTONS; i++)
6860 MapGadget(game_gadget[i]);
6863 void UnmapGameButtons()
6867 for (i=0; i<NUM_GAME_BUTTONS; i++)
6868 UnmapGadget(game_gadget[i]);
6871 static void HandleGameButtons(struct GadgetInfo *gi)
6873 int id = gi->custom_id;
6875 if (game_status != PLAYING)
6880 case GAME_CTRL_ID_STOP:
6881 RequestQuitGame(TRUE);
6884 case GAME_CTRL_ID_PAUSE:
6885 if (options.network)
6887 #if defined(PLATFORM_UNIX)
6889 SendToServer_ContinuePlaying();
6891 SendToServer_PausePlaying();
6895 TapeTogglePause(TAPE_TOGGLE_MANUAL);
6898 case GAME_CTRL_ID_PLAY:
6901 #if defined(PLATFORM_UNIX)
6902 if (options.network)
6903 SendToServer_ContinuePlaying();
6907 tape.pausing = FALSE;
6908 DrawVideoDisplay(VIDEO_STATE_PAUSE_OFF,0);
6913 case SOUND_CTRL_ID_MUSIC:
6914 if (setup.sound_music)
6916 setup.sound_music = FALSE;
6919 else if (audio.music_available)
6921 setup.sound = setup.sound_music = TRUE;
6922 PlayMusic(level_nr);
6926 case SOUND_CTRL_ID_LOOPS:
6927 if (setup.sound_loops)
6928 setup.sound_loops = FALSE;
6929 else if (audio.loops_available)
6930 setup.sound = setup.sound_loops = TRUE;
6933 case SOUND_CTRL_ID_SIMPLE:
6934 if (setup.sound_simple)
6935 setup.sound_simple = FALSE;
6936 else if (audio.sound_available)
6937 setup.sound = setup.sound_simple = TRUE;