+void InitMovDir(int x, int y)
+{
+ int i, element = Feld[x][y];
+ static int xy[4][2] =
+ {
+ { 0, +1 },
+ { +1, 0 },
+ { 0, -1 },
+ { -1, 0 }
+ };
+ static int direction[3][4] =
+ {
+ { MV_RIGHT, MV_UP, MV_LEFT, MV_DOWN },
+ { MV_LEFT, MV_DOWN, MV_RIGHT, MV_UP },
+ { MV_LEFT, MV_RIGHT, MV_UP, MV_DOWN }
+ };
+
+ switch(element)
+ {
+ case EL_KAEFER_RIGHT:
+ case EL_KAEFER_UP:
+ case EL_KAEFER_LEFT:
+ case EL_KAEFER_DOWN:
+ Feld[x][y] = EL_KAEFER;
+ MovDir[x][y] = direction[0][element - EL_KAEFER_RIGHT];
+ break;
+
+ case EL_FLIEGER_RIGHT:
+ case EL_FLIEGER_UP:
+ case EL_FLIEGER_LEFT:
+ case EL_FLIEGER_DOWN:
+ Feld[x][y] = EL_FLIEGER;
+ MovDir[x][y] = direction[0][element - EL_FLIEGER_RIGHT];
+ break;
+
+ case EL_BUTTERFLY_RIGHT:
+ case EL_BUTTERFLY_UP:
+ case EL_BUTTERFLY_LEFT:
+ case EL_BUTTERFLY_DOWN:
+ Feld[x][y] = EL_BUTTERFLY;
+ MovDir[x][y] = direction[0][element - EL_BUTTERFLY_RIGHT];
+ break;
+
+ case EL_FIREFLY_RIGHT:
+ case EL_FIREFLY_UP:
+ case EL_FIREFLY_LEFT:
+ case EL_FIREFLY_DOWN:
+ Feld[x][y] = EL_FIREFLY;
+ MovDir[x][y] = direction[0][element - EL_FIREFLY_RIGHT];
+ break;
+
+ case EL_PACMAN_RIGHT:
+ case EL_PACMAN_UP:
+ case EL_PACMAN_LEFT:
+ case EL_PACMAN_DOWN:
+ Feld[x][y] = EL_PACMAN;
+ MovDir[x][y] = direction[0][element - EL_PACMAN_RIGHT];
+ break;
+
+ case EL_SP_SNIKSNAK:
+ MovDir[x][y] = MV_UP;
+ break;
+
+ case EL_SP_ELECTRON:
+ MovDir[x][y] = MV_LEFT;
+ break;
+
+ case EL_MOLE_LEFT:
+ case EL_MOLE_RIGHT:
+ case EL_MOLE_UP:
+ case EL_MOLE_DOWN:
+ Feld[x][y] = EL_MOLE;
+ MovDir[x][y] = direction[2][element - EL_MOLE_LEFT];
+ break;
+
+ default:
+ MovDir[x][y] = 1 << RND(4);
+ if (element != EL_KAEFER &&
+ element != EL_FLIEGER &&
+ element != EL_BUTTERFLY &&
+ element != EL_FIREFLY)
+ break;
+
+ for (i=0; i<4; i++)
+ {
+ int x1 = x + xy[i][0];
+ int y1 = y + xy[i][1];
+
+ if (!IN_LEV_FIELD(x1, y1) || !IS_FREE(x1, y1))
+ {
+ if (element == EL_KAEFER || element == EL_BUTTERFLY)
+ {
+ MovDir[x][y] = direction[0][i];
+ break;
+ }
+ else if (element == EL_FLIEGER || element == EL_FIREFLY ||
+ element == EL_SP_SNIKSNAK || element == EL_SP_ELECTRON)
+ {
+ MovDir[x][y] = direction[1][i];
+ break;
+ }
+ }
+ }
+ break;
+ }
+}
+
+void InitAmoebaNr(int x, int y)
+{
+ int i;
+ int group_nr = AmoebeNachbarNr(x, y);
+
+ if (group_nr == 0)
+ {
+ for (i=1; i<MAX_NUM_AMOEBA; i++)
+ {
+ if (AmoebaCnt[i] == 0)
+ {
+ group_nr = i;
+ break;
+ }
+ }
+ }
+
+ AmoebaNr[x][y] = group_nr;
+ AmoebaCnt[group_nr]++;
+ AmoebaCnt2[group_nr]++;
+}
+
+void GameWon()
+{
+ int hi_pos;
+ boolean raise_level = FALSE;
+
+ if (local_player->MovPos)
+ return;
+
+ local_player->LevelSolved = FALSE;
+
+ PlaySoundStereo(SND_GAME_WINNING, SOUND_MAX_RIGHT);
+
+ if (TimeLeft)
+ {
+ if (!tape.playing && setup.sound_loops)
+ PlaySoundExt(SND_GAME_LEVELTIME_BONUS, SOUND_MAX_VOLUME, SOUND_MAX_RIGHT,
+ SND_CTRL_PLAY_LOOP);
+
+ while (TimeLeft > 0)
+ {
+ if (!tape.playing && !setup.sound_loops)
+ PlaySoundStereo(SND_GAME_LEVELTIME_BONUS, SOUND_MAX_RIGHT);
+ if (TimeLeft > 0 && !(TimeLeft % 10))
+ RaiseScore(level.score[SC_ZEITBONUS]);
+ if (TimeLeft > 100 && !(TimeLeft % 10))
+ TimeLeft -= 10;
+ else
+ TimeLeft--;
+ DrawText(DX_TIME, DY_TIME, int2str(TimeLeft, 3), FS_SMALL, FC_YELLOW);
+ BackToFront();
+
+ if (!tape.playing)
+ Delay(10);
+ }
+
+ if (!tape.playing && setup.sound_loops)
+ StopSound(SND_GAME_LEVELTIME_BONUS);
+ }
+ else if (level.time == 0) /* level without time limit */
+ {
+ if (!tape.playing && setup.sound_loops)
+ PlaySoundExt(SND_GAME_LEVELTIME_BONUS, SOUND_MAX_VOLUME, SOUND_MAX_RIGHT,
+ SND_CTRL_PLAY_LOOP);
+
+ while (TimePlayed < 999)
+ {
+ if (!tape.playing && !setup.sound_loops)
+ PlaySoundStereo(SND_GAME_LEVELTIME_BONUS, SOUND_MAX_RIGHT);
+ if (TimePlayed < 999 && !(TimePlayed % 10))
+ RaiseScore(level.score[SC_ZEITBONUS]);
+ if (TimePlayed < 900 && !(TimePlayed % 10))
+ TimePlayed += 10;
+ else
+ TimePlayed++;
+ DrawText(DX_TIME, DY_TIME, int2str(TimePlayed, 3), FS_SMALL, FC_YELLOW);
+ BackToFront();
+
+ if (!tape.playing)
+ Delay(10);
+ }
+
+ if (!tape.playing && setup.sound_loops)
+ StopSound(SND_GAME_LEVELTIME_BONUS);
+ }
+
+#if 0
+ FadeSounds();
+#endif
+
+ /* Hero disappears */
+ DrawLevelField(ExitX, ExitY);
+ BackToFront();
+
+ if (tape.playing)
+ return;
+
+ CloseDoor(DOOR_CLOSE_1);
+
+ if (tape.recording)
+ {
+ TapeStop();
+ SaveTape(tape.level_nr); /* Ask to save tape */
+ }
+
+ if (level_nr == leveldir_current->handicap_level)
+ {
+ leveldir_current->handicap_level++;
+ SaveLevelSetup_SeriesInfo();
+ }
+
+ if (level_editor_test_game)
+ local_player->score = -1; /* no highscore when playing from editor */
+ else if (level_nr < leveldir_current->last_level)
+ raise_level = TRUE; /* advance to next level */
+
+ if ((hi_pos = NewHiScore()) >= 0)
+ {
+ game_status = HALLOFFAME;
+ DrawHallOfFame(hi_pos);
+ if (raise_level)
+ {
+ level_nr++;
+ TapeErase();
+ }
+ }
+ else
+ {
+ game_status = MAINMENU;
+ if (raise_level)
+ {
+ level_nr++;
+ TapeErase();
+ }
+ DrawMainMenu();
+ }
+
+ BackToFront();
+}
+
+int NewHiScore()
+{
+ int k, l;
+ int position = -1;
+
+ LoadScore(level_nr);
+
+ if (strcmp(setup.player_name, EMPTY_PLAYER_NAME) == 0 ||
+ local_player->score < highscore[MAX_SCORE_ENTRIES - 1].Score)
+ return -1;
+
+ for (k=0; k<MAX_SCORE_ENTRIES; k++)
+ {
+ if (local_player->score > highscore[k].Score)
+ {
+ /* player has made it to the hall of fame */
+
+ if (k < MAX_SCORE_ENTRIES - 1)
+ {
+ int m = MAX_SCORE_ENTRIES - 1;
+
+#ifdef ONE_PER_NAME
+ for (l=k; l<MAX_SCORE_ENTRIES; l++)
+ if (!strcmp(setup.player_name, highscore[l].Name))
+ m = l;
+ if (m == k) /* player's new highscore overwrites his old one */
+ goto put_into_list;
+#endif
+
+ for (l=m; l>k; l--)
+ {
+ strcpy(highscore[l].Name, highscore[l - 1].Name);
+ highscore[l].Score = highscore[l - 1].Score;
+ }
+ }
+
+#ifdef ONE_PER_NAME
+ put_into_list:
+#endif
+ strncpy(highscore[k].Name, setup.player_name, MAX_PLAYER_NAME_LEN);
+ highscore[k].Name[MAX_PLAYER_NAME_LEN] = '\0';
+ highscore[k].Score = local_player->score;
+ position = k;
+ break;
+ }
+
+#ifdef ONE_PER_NAME
+ else if (!strncmp(setup.player_name, highscore[k].Name,
+ MAX_PLAYER_NAME_LEN))
+ break; /* player already there with a higher score */
+#endif
+
+ }
+
+ if (position >= 0)
+ SaveScore(level_nr);
+
+ return position;
+}
+
+void InitMovingField(int x, int y, int direction)
+{
+ int newx = x + (direction == MV_LEFT ? -1 : direction == MV_RIGHT ? +1 : 0);
+ int newy = y + (direction == MV_UP ? -1 : direction == MV_DOWN ? +1 : 0);
+
+ MovDir[x][y] = direction;
+ MovDir[newx][newy] = direction;
+ if (Feld[newx][newy] == EL_LEERRAUM)
+ Feld[newx][newy] = EL_BLOCKED;
+}
+
+void Moving2Blocked(int x, int y, int *goes_to_x, int *goes_to_y)
+{
+ int direction = MovDir[x][y];
+ int newx = x + (direction == MV_LEFT ? -1 : direction == MV_RIGHT ? +1 : 0);
+ int newy = y + (direction == MV_UP ? -1 : direction == MV_DOWN ? +1 : 0);
+
+ *goes_to_x = newx;
+ *goes_to_y = newy;
+}
+
+void Blocked2Moving(int x, int y, int *comes_from_x, int *comes_from_y)
+{
+ int oldx = x, oldy = y;
+ int direction = MovDir[x][y];
+
+ if (direction == MV_LEFT)
+ oldx++;
+ else if (direction == MV_RIGHT)
+ oldx--;
+ else if (direction == MV_UP)
+ oldy++;
+ else if (direction == MV_DOWN)
+ oldy--;
+
+ *comes_from_x = oldx;
+ *comes_from_y = oldy;
+}
+
+int MovingOrBlocked2Element(int x, int y)
+{
+ int element = Feld[x][y];
+
+ if (element == EL_BLOCKED)
+ {
+ int oldx, oldy;
+
+ Blocked2Moving(x, y, &oldx, &oldy);
+ return Feld[oldx][oldy];
+ }
+ else
+ return element;
+}
+
+static int MovingOrBlocked2ElementIfNotLeaving(int x, int y)
+{
+ /* like MovingOrBlocked2Element(), but if element is moving
+ and (x,y) is the field the moving element is just leaving,
+ return EL_BLOCKED instead of the element value */
+ int element = Feld[x][y];
+
+ if (IS_MOVING(x, y))
+ {
+ if (element == EL_BLOCKED)
+ {
+ int oldx, oldy;
+
+ Blocked2Moving(x, y, &oldx, &oldy);
+ return Feld[oldx][oldy];
+ }
+ else
+ return EL_BLOCKED;
+ }
+ else
+ return element;
+}
+
+static void RemoveField(int x, int y)
+{
+ Feld[x][y] = EL_LEERRAUM;
+ MovPos[x][y] = 0;
+ MovDir[x][y] = 0;
+ MovDelay[x][y] = 0;
+}
+
+void RemoveMovingField(int x, int y)
+{
+ int oldx = x, oldy = y, newx = x, newy = y;
+
+ if (Feld[x][y] != EL_BLOCKED && !IS_MOVING(x, y))
+ return;
+
+ if (IS_MOVING(x, y))
+ {
+ Moving2Blocked(x, y, &newx, &newy);
+ if (Feld[newx][newy] != EL_BLOCKED)
+ return;
+ }
+ else if (Feld[x][y] == EL_BLOCKED)
+ {
+ Blocked2Moving(x, y, &oldx, &oldy);
+ if (!IS_MOVING(oldx, oldy))
+ return;
+ }
+
+ if (Feld[x][y] == EL_BLOCKED &&
+ (Feld[oldx][oldy] == EL_QUICKSAND_EMPTYING ||
+ Feld[oldx][oldy] == EL_MAGIC_WALL_EMPTYING ||
+ Feld[oldx][oldy] == EL_MAGIC_WALL_BD_EMPTYING ||
+ Feld[oldx][oldy] == EL_AMOEBA_DRIPPING))
+ Feld[oldx][oldy] = get_next_element(Feld[oldx][oldy]);
+ else
+ Feld[oldx][oldy] = EL_LEERRAUM;
+
+ Store[oldx][oldy] = Store2[oldx][oldy] = 0;
+
+ Feld[newx][newy] = EL_LEERRAUM;
+ MovPos[oldx][oldy] = MovDir[oldx][oldy] = MovDelay[oldx][oldy] = 0;
+ MovPos[newx][newy] = MovDir[newx][newy] = MovDelay[newx][newy] = 0;
+
+ DrawLevelField(oldx, oldy);
+ DrawLevelField(newx, newy);
+}
+
+void DrawDynamite(int x, int y)
+{
+ int sx = SCREENX(x), sy = SCREENY(y);
+ int graphic = el2gfx(Feld[x][y]);
+ int phase;
+
+ if (!IN_SCR_FIELD(sx, sy) || IS_PLAYER(x, y))
+ return;
+
+ if (Store[x][y])
+ DrawGraphic(sx, sy, el2gfx(Store[x][y]));
+
+ if (Feld[x][y] == EL_DYNAMITE_ACTIVE)
+ {
+ if ((phase = (96 - MovDelay[x][y]) / 12) > 6)
+ phase = 6;
+ }
+ else
+ {
+ if ((phase = ((96 - MovDelay[x][y]) / 6) % 8) > 3)
+ phase = 7 - phase;
+ }
+
+ if (game.emulation == EMU_SUPAPLEX)
+ DrawGraphic(sx, sy, GFX_SP_DISK_RED);
+ else if (Store[x][y])
+ DrawGraphicThruMask(sx, sy, graphic + phase);
+ else
+ DrawGraphic(sx, sy, graphic + phase);
+}
+
+void CheckDynamite(int x, int y)
+{
+ if (MovDelay[x][y]) /* dynamite is still waiting to explode */
+ {
+ MovDelay[x][y]--;
+ if (MovDelay[x][y])
+ {
+ if (!(MovDelay[x][y] % 6))
+ PlaySoundLevelAction(x, y, SND_ACTION_BURNING);
+
+ if (IS_ACTIVE_BOMB(Feld[x][y]))
+ {
+ int delay = (Feld[x][y] == EL_DYNAMITE_ACTIVE ? 12 : 6);
+
+ if (!(MovDelay[x][y] % delay))
+ DrawDynamite(x, y);
+ }
+
+ return;
+ }
+ }
+
+ if (Feld[x][y] == EL_DYNAMITE_ACTIVE)
+ StopSound(SND_DYNAMITE_BURNING);
+ else
+ StopSound(SND_DYNABOMB_BURNING);
+
+ Bang(x, y);
+}
+
+void Explode(int ex, int ey, int phase, int mode)
+{
+ int x, y;
+ int num_phase = 9, delay = (game.emulation == EMU_SUPAPLEX ? 3 : 2);
+ int last_phase = num_phase * delay;
+ int half_phase = (num_phase / 2) * delay;
+ int first_phase_after_start = EX_PHASE_START + 1;
+
+ if (game.explosions_delayed)
+ {
+ ExplodeField[ex][ey] = mode;
+ return;
+ }
+
+ if (phase == EX_PHASE_START) /* initialize 'Store[][]' field */
+ {
+ int center_element = Feld[ex][ey];
+
+ if (IS_MOVING(ex, ey) || IS_BLOCKED(ex, ey))
+ {
+ /* put moving element to center field (and let it explode there) */
+ center_element = MovingOrBlocked2Element(ex, ey);
+ RemoveMovingField(ex, ey);
+ Feld[ex][ey] = center_element;
+ }
+
+ for (y=ey-1; y<=ey+1; y++) for(x=ex-1; x<=ex+1; x++)
+ {
+ int element;
+
+ if (!IN_LEV_FIELD(x, y) ||
+ ((mode != EX_NORMAL || center_element == EL_AMOEBA2DIAM) &&
+ (x != ex || y != ey)))
+ continue;
+
+ element = Feld[x][y];
+
+ if (IS_MOVING(x, y) || IS_BLOCKED(x, y))
+ {
+ element = MovingOrBlocked2Element(x, y);
+ RemoveMovingField(x, y);
+ }
+
+ if (IS_MASSIVE(element) || element == EL_BURNING)
+ continue;
+
+ if (IS_PLAYER(x, y) && SHIELD_ON(PLAYERINFO(x, y)))
+ {
+ if (IS_ACTIVE_BOMB(element))
+ {
+ /* re-activate things under the bomb like gate or penguin */
+ Feld[x][y] = (Store[x][y] ? Store[x][y] : EL_LEERRAUM);
+ Store[x][y] = 0;
+ }
+
+ continue;
+ }
+
+ if (element == EL_EXPLODING)
+ element = Store2[x][y];
+
+ if (IS_PLAYER(ex, ey) && !PLAYER_PROTECTED(ex, ey))
+ {
+ switch(StorePlayer[ex][ey])
+ {
+ case EL_SPIELER2:
+ Store[x][y] = EL_EDELSTEIN_ROT;
+ break;
+ case EL_SPIELER3:
+ Store[x][y] = EL_EDELSTEIN;
+ break;
+ case EL_SPIELER4:
+ Store[x][y] = EL_EDELSTEIN_LILA;
+ break;
+ case EL_SPIELER1:
+ default:
+ Store[x][y] = EL_EDELSTEIN_GELB;
+ break;
+ }
+
+ if (game.emulation == EMU_SUPAPLEX)
+ Store[x][y] = EL_LEERRAUM;
+ }
+ else if (center_element == EL_MOLE)
+ Store[x][y] = EL_EDELSTEIN_ROT;
+ else if (center_element == EL_PINGUIN)
+ Store[x][y] = EL_EDELSTEIN_LILA;
+ else if (center_element == EL_KAEFER)
+ Store[x][y] = ((x == ex && y == ey) ? EL_DIAMANT : EL_EDELSTEIN);
+ else if (center_element == EL_BUTTERFLY)
+ Store[x][y] = EL_EDELSTEIN_BD;
+ else if (center_element == EL_SP_ELECTRON)
+ Store[x][y] = EL_SP_INFOTRON;
+ else if (center_element == EL_MAMPFER)
+ Store[x][y] = level.yam_content[game.yam_content_nr][x-ex+1][y-ey+1];
+ else if (center_element == EL_AMOEBA2DIAM)
+ Store[x][y] = level.amoeba_content;
+ else if (element == EL_ERZ_EDEL)
+ Store[x][y] = EL_EDELSTEIN;
+ else if (element == EL_ERZ_DIAM)
+ Store[x][y] = EL_DIAMANT;
+ else if (element == EL_ERZ_EDEL_BD)
+ Store[x][y] = EL_EDELSTEIN_BD;
+ else if (element == EL_ERZ_EDEL_GELB)
+ Store[x][y] = EL_EDELSTEIN_GELB;
+ else if (element == EL_ERZ_EDEL_ROT)
+ Store[x][y] = EL_EDELSTEIN_ROT;
+ else if (element == EL_ERZ_EDEL_LILA)
+ Store[x][y] = EL_EDELSTEIN_LILA;
+ else if (element == EL_WALL_PEARL)
+ Store[x][y] = EL_PEARL;
+ else if (element == EL_WALL_CRYSTAL)
+ Store[x][y] = EL_CRYSTAL;
+ else if (!IS_PFORTE(Store[x][y]))
+ Store[x][y] = EL_LEERRAUM;
+
+ if (x != ex || y != ey ||
+ center_element == EL_AMOEBA2DIAM || mode == EX_BORDER)
+ Store2[x][y] = element;
+
+ if (AmoebaNr[x][y] &&
+ (element == EL_AMOEBE_VOLL ||
+ element == EL_AMOEBE_BD ||
+ element == EL_AMOEBING))
+ {
+ AmoebaCnt[AmoebaNr[x][y]]--;
+ AmoebaCnt2[AmoebaNr[x][y]]--;
+ }
+
+ Feld[x][y] = EL_EXPLODING;
+ MovDir[x][y] = MovPos[x][y] = 0;
+ AmoebaNr[x][y] = 0;
+ Frame[x][y] = 1;
+ Stop[x][y] = TRUE;
+ }
+
+ if (center_element == EL_MAMPFER)
+ game.yam_content_nr = (game.yam_content_nr + 1) % level.num_yam_contents;
+
+ return;
+ }
+
+ if (Stop[ex][ey])
+ return;
+
+ x = ex;
+ y = ey;
+
+ Frame[x][y] = (phase < last_phase ? phase + 1 : 0);
+
+ if (phase == first_phase_after_start)
+ {
+ int element = Store2[x][y];
+
+ if (element == EL_BLACK_ORB)
+ {
+ Feld[x][y] = Store2[x][y];
+ Store2[x][y] = 0;
+ Bang(x, y);
+ }
+ }
+ else if (phase == half_phase)
+ {
+ int element = Store2[x][y];
+
+ if (IS_PLAYER(x, y))
+ KillHeroUnlessProtected(x, y);
+ else if (IS_EXPLOSIVE(element))
+ {
+ Feld[x][y] = Store2[x][y];
+ Store2[x][y] = 0;
+ Bang(x, y);
+ }
+ else if (element == EL_AMOEBA2DIAM)
+ AmoebeUmwandeln(x, y);
+ }
+
+ if (phase == last_phase)
+ {
+ int element;
+
+ element = Feld[x][y] = Store[x][y];
+ Store[x][y] = Store2[x][y] = 0;
+ MovDir[x][y] = MovPos[x][y] = MovDelay[x][y] = 0;
+ InitField(x, y, FALSE);
+ if (CAN_MOVE(element) || COULD_MOVE(element))
+ InitMovDir(x, y);
+ DrawLevelField(x, y);
+
+ if (IS_PLAYER(x, y) && !PLAYERINFO(x,y)->present)
+ StorePlayer[x][y] = 0;
+ }
+ else if (!(phase % delay) && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
+ {
+ int graphic = GFX_EXPLOSION;
+
+ if (game.emulation == EMU_SUPAPLEX)
+ graphic = (Store[x][y] == EL_SP_INFOTRON ?
+ GFX_SP_EXPLODE_INFOTRON :
+ GFX_SP_EXPLODE_EMPTY);
+
+ if (phase == delay)
+ ErdreichAnbroeckeln(SCREENX(x), SCREENY(y));
+
+ graphic += (phase / delay - 1);
+
+ if (IS_PFORTE(Store[x][y]))
+ {
+ DrawLevelElement(x, y, Store[x][y]);
+ DrawGraphicThruMask(SCREENX(x), SCREENY(y), graphic);
+ }
+ else
+ DrawGraphic(SCREENX(x), SCREENY(y), graphic);
+ }
+}
+
+void DynaExplode(int ex, int ey)
+{
+ int i, j;
+ int dynabomb_size = 1;
+ boolean dynabomb_xl = FALSE;
+ struct PlayerInfo *player;
+ static int xy[4][2] =
+ {
+ { 0, -1 },
+ { -1, 0 },
+ { +1, 0 },
+ { 0, +1 }
+ };
+
+ if (IS_ACTIVE_BOMB(Feld[ex][ey]))
+ {
+ player = &stored_player[Feld[ex][ey] - EL_DYNABOMB_ACTIVE_1];
+ dynabomb_size = player->dynabomb_size;
+ dynabomb_xl = player->dynabomb_xl;
+ player->dynabombs_left++;
+ }
+
+ Explode(ex, ey, EX_PHASE_START, EX_CENTER);
+
+ for (i=0; i<4; i++)
+ {
+ for (j=1; j<=dynabomb_size; j++)
+ {
+ int x = ex + j * xy[i % 4][0];
+ int y = ey + j * xy[i % 4][1];
+ int element;
+
+ if (!IN_LEV_FIELD(x, y) || IS_MASSIVE(Feld[x][y]))
+ break;
+
+ element = Feld[x][y];
+
+ /* do not restart explosions of fields with active bombs */
+ if (element == EL_EXPLODING && IS_ACTIVE_BOMB(Store2[x][y]))
+ continue;
+
+ Explode(x, y, EX_PHASE_START, EX_BORDER);
+
+ if (element != EL_LEERRAUM &&
+ element != EL_ERDREICH &&
+ element != EL_EXPLODING &&
+ !dynabomb_xl)
+ break;
+ }
+ }
+}
+
+void Bang(int x, int y)
+{
+ int element = Feld[x][y];
+
+ if (game.emulation == EMU_SUPAPLEX)
+ PlaySoundLevel(x, y, SND_SP_ELEMENT_EXPLODING);
+ else
+ PlaySoundLevel(x, y, SND_ELEMENT_EXPLODING);
+
+#if 0
+ if (IS_PLAYER(x, y)) /* remove objects that might cause smaller explosion */
+ element = EL_LEERRAUM;
+#endif
+
+ switch(element)
+ {
+ case EL_KAEFER:
+ case EL_FLIEGER:
+ case EL_BUTTERFLY:
+ case EL_FIREFLY:
+ case EL_MAMPFER:
+ case EL_MAMPFER2:
+ case EL_ROBOT:
+ case EL_PACMAN:
+ case EL_MOLE:
+ RaiseScoreElement(element);
+ Explode(x, y, EX_PHASE_START, EX_NORMAL);
+ break;
+ case EL_DYNABOMB_ACTIVE_1:
+ case EL_DYNABOMB_ACTIVE_2:
+ case EL_DYNABOMB_ACTIVE_3:
+ case EL_DYNABOMB_ACTIVE_4:
+ case EL_DYNABOMB_NR:
+ case EL_DYNABOMB_SZ:
+ case EL_DYNABOMB_XL:
+ DynaExplode(x, y);
+ break;
+ case EL_PINGUIN:
+ case EL_BIRNE_AUS:
+ case EL_BIRNE_EIN:
+ if (IS_PLAYER(x, y))
+ Explode(x, y, EX_PHASE_START, EX_NORMAL);
+ else
+ Explode(x, y, EX_PHASE_START, EX_CENTER);
+ break;
+ default:
+ Explode(x, y, EX_PHASE_START, EX_NORMAL);
+ break;
+ }
+}
+
+void Blurb(int x, int y)
+{
+ int element = Feld[x][y];
+
+ if (element != EL_BLURB_LEFT && element != EL_BLURB_RIGHT) /* start */
+ {
+ PlaySoundLevel(x, y, SND_ACID_SPLASHING);
+ if (IN_LEV_FIELD(x-1, y) && IS_FREE(x-1, y) &&
+ (!IN_LEV_FIELD(x-1, y-1) ||
+ !CAN_FALL(MovingOrBlocked2Element(x-1, y-1))))
+ {
+ Feld[x-1][y] = EL_BLURB_LEFT;
+ }
+ if (IN_LEV_FIELD(x+1, y) && IS_FREE(x+1, y) &&
+ (!IN_LEV_FIELD(x+1, y-1) ||
+ !CAN_FALL(MovingOrBlocked2Element(x+1, y-1))))
+ {
+ Feld[x+1][y] = EL_BLURB_RIGHT;
+ }
+ }
+ else /* go on */
+ {
+ int graphic = (element==EL_BLURB_LEFT ? GFX_BLURB_LEFT : GFX_BLURB_RIGHT);
+
+ if (!MovDelay[x][y]) /* initialize animation counter */
+ MovDelay[x][y] = 9;
+
+ if (MovDelay[x][y]) /* continue animation */
+ {
+ MovDelay[x][y]--;
+ if (MovDelay[x][y]/2 && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
+ DrawGraphic(SCREENX(x), SCREENY(y), graphic+4-MovDelay[x][y]/2);
+
+ if (!MovDelay[x][y])
+ {
+ Feld[x][y] = EL_LEERRAUM;
+ DrawLevelField(x, y);
+ }
+ }
+ }
+}
+
+static void ToggleBeltSwitch(int x, int y)
+{
+ static int belt_base_element[4] =
+ {
+ EL_BELT1_SWITCH_LEFT,
+ EL_BELT2_SWITCH_LEFT,
+ EL_BELT3_SWITCH_LEFT,
+ EL_BELT4_SWITCH_LEFT
+ };
+ static int belt_move_dir[4] =
+ {
+ MV_LEFT,
+ MV_NO_MOVING,
+ MV_RIGHT,
+ MV_NO_MOVING,
+ };
+
+ int element = Feld[x][y];
+ int belt_nr = getBeltNrFromSwitchElement(element);
+ int belt_dir_nr = (game.belt_dir_nr[belt_nr] + 1) % 4;
+ int belt_dir = belt_move_dir[belt_dir_nr];
+ int xx, yy;
+
+ if (!IS_BELT_SWITCH(element))
+ return;
+
+ game.belt_dir_nr[belt_nr] = belt_dir_nr;
+ game.belt_dir[belt_nr] = belt_dir;
+
+ if (belt_dir_nr == 3)
+ belt_dir_nr = 1;
+
+ for (yy=0; yy<lev_fieldy; yy++)
+ {
+ for (xx=0; xx<lev_fieldx; xx++)
+ {
+ int element = Feld[xx][yy];
+
+ if (IS_BELT_SWITCH(element))
+ {
+ int e_belt_nr = getBeltNrFromSwitchElement(element);
+
+ if (e_belt_nr == belt_nr)
+ {
+ Feld[xx][yy] = belt_base_element[belt_nr] + belt_dir_nr;
+ DrawLevelField(xx, yy);
+ }
+ }
+ else if (belt_dir == MV_NO_MOVING && IS_BELT(element))
+ {
+ int e_belt_nr = getBeltNrFromElement(element);
+
+ if (e_belt_nr == belt_nr)
+ DrawLevelField(xx, yy); /* set belt to parking position */
+ }
+ }
+ }
+}
+
+static void ToggleSwitchgateSwitch(int x, int y)
+{
+ int xx, yy;
+
+ game.switchgate_pos = !game.switchgate_pos;
+
+ for (yy=0; yy<lev_fieldy; yy++)
+ {
+ for (xx=0; xx<lev_fieldx; xx++)
+ {
+ int element = Feld[xx][yy];
+
+ if (element == EL_SWITCHGATE_SWITCH_1 ||
+ element == EL_SWITCHGATE_SWITCH_2)
+ {
+ Feld[xx][yy] = EL_SWITCHGATE_SWITCH_1 + game.switchgate_pos;
+ DrawLevelField(xx, yy);
+ }
+ else if (element == EL_SWITCHGATE_OPEN ||
+ element == EL_SWITCHGATE_OPENING)
+ {
+ Feld[xx][yy] = EL_SWITCHGATE_CLOSING;
+ PlaySoundLevel(xx, yy, SND_SWITCHGATE_CLOSING);
+ }
+ else if (element == EL_SWITCHGATE_CLOSED ||
+ element == EL_SWITCHGATE_CLOSING)
+ {
+ Feld[xx][yy] = EL_SWITCHGATE_OPENING;
+ PlaySoundLevel(xx, yy, SND_SWITCHGATE_OPENING);
+ }
+ }
+ }
+}
+
+static void RedrawAllLightSwitchesAndInvisibleElements()
+{
+ int x, y;
+
+ for (y=0; y<lev_fieldy; y++)
+ {
+ for (x=0; x<lev_fieldx; x++)
+ {
+ int element = Feld[x][y];
+
+ if (element == EL_LIGHT_SWITCH_OFF &&
+ game.light_time_left > 0)
+ {
+ Feld[x][y] = EL_LIGHT_SWITCH_ON;
+ DrawLevelField(x, y);
+ }
+ else if (element == EL_LIGHT_SWITCH_ON &&
+ game.light_time_left == 0)
+ {
+ Feld[x][y] = EL_LIGHT_SWITCH_OFF;
+ DrawLevelField(x, y);
+ }
+
+ if (element == EL_INVISIBLE_STEEL ||
+ element == EL_UNSICHTBAR ||
+ element == EL_SAND_INVISIBLE)
+ DrawLevelField(x, y);
+ }
+ }
+}
+
+static void ToggleLightSwitch(int x, int y)
+{
+ int element = Feld[x][y];
+
+ game.light_time_left =
+ (element == EL_LIGHT_SWITCH_OFF ?
+ level.time_light * FRAMES_PER_SECOND : 0);
+
+ RedrawAllLightSwitchesAndInvisibleElements();
+}
+
+static void ActivateTimegateSwitch(int x, int y)
+{
+ int xx, yy;
+
+ game.timegate_time_left = level.time_timegate * FRAMES_PER_SECOND;
+
+ for (yy=0; yy<lev_fieldy; yy++)
+ {
+ for (xx=0; xx<lev_fieldx; xx++)
+ {
+ int element = Feld[xx][yy];
+
+ if (element == EL_TIMEGATE_CLOSED ||
+ element == EL_TIMEGATE_CLOSING)
+ {
+ Feld[xx][yy] = EL_TIMEGATE_OPENING;
+ PlaySoundLevel(xx, yy, SND_TIMEGATE_OPENING);
+ }
+
+ /*
+ else if (element == EL_TIMEGATE_SWITCH_ON)
+ {
+ Feld[xx][yy] = EL_TIMEGATE_SWITCH_OFF;
+ DrawLevelField(xx, yy);
+ }
+ */
+
+ }
+ }
+
+ Feld[x][y] = EL_TIMEGATE_SWITCH_ON;
+}
+
+void Impact(int x, int y)
+{
+ boolean lastline = (y == lev_fieldy-1);
+ boolean object_hit = FALSE;
+ int element = Feld[x][y];
+ int smashed = 0;
+
+ if (!lastline) /* check if element below was hit */
+ {
+ if (Feld[x][y+1] == EL_PLAYER_IS_LEAVING)
+ return;
+
+ object_hit = (!IS_FREE(x, y+1) && (!IS_MOVING(x, y+1) ||
+ MovDir[x][y+1]!=MV_DOWN ||
+ MovPos[x][y+1]<=TILEY/2));
+ if (object_hit)
+ smashed = MovingOrBlocked2Element(x, y+1);
+ }
+
+ if (!lastline && smashed == EL_SALZSAEURE) /* element falls into acid */
+ {
+ Blurb(x, y);
+ return;
+ }
+
+ if ((element == EL_BOMBE ||
+ element == EL_SP_DISK_ORANGE ||
+ element == EL_DX_SUPABOMB) &&
+ (lastline || object_hit)) /* element is bomb */
+ {
+ Bang(x, y);
+ return;
+ }
+ else if (element == EL_PEARL)
+ {
+ Feld[x][y] = EL_PEARL_BREAKING;
+ PlaySoundLevel(x, y, SND_PEARL_BREAKING);
+ return;
+ }
+
+ if (element == EL_TROPFEN && (lastline || object_hit)) /* acid drop */
+ {
+ if (object_hit && IS_PLAYER(x, y+1))
+ KillHeroUnlessProtected(x, y+1);
+ else if (object_hit && smashed == EL_PINGUIN)
+ Bang(x, y+1);
+ else
+ {
+ Feld[x][y] = EL_AMOEBING;
+ Store[x][y] = EL_AMOEBE_NASS;
+ }
+ return;
+ }
+
+ if (!lastline && object_hit) /* check which object was hit */
+ {
+ if (CAN_CHANGE(element) &&
+ (smashed == EL_MAGIC_WALL_OFF || smashed == EL_MAGIC_WALL_BD_OFF))
+ {
+ int xx, yy;
+ int activated_magic_wall =
+ (smashed == EL_MAGIC_WALL_OFF ? EL_MAGIC_WALL_EMPTY :
+ EL_MAGIC_WALL_BD_EMPTY);
+
+ /* activate magic wall / mill */
+ for (yy=0; yy<lev_fieldy; yy++)
+ for (xx=0; xx<lev_fieldx; xx++)
+ if (Feld[xx][yy] == smashed)
+ Feld[xx][yy] = activated_magic_wall;
+
+ game.magic_wall_time_left = level.time_magic_wall * FRAMES_PER_SECOND;
+ game.magic_wall_active = TRUE;
+
+ PlaySoundLevel(x, y, (smashed == EL_MAGIC_WALL_OFF ?
+ SND_MAGIC_WALL_ACTIVATING :
+ SND_BD_MAGIC_WALL_ACTIVATING));
+ }
+
+ if (IS_PLAYER(x, y+1))
+ {
+ KillHeroUnlessProtected(x, y+1);
+ return;
+ }
+ else if (smashed == EL_PINGUIN)
+ {
+ Bang(x, y+1);
+ return;
+ }
+ else if (element == EL_EDELSTEIN_BD)
+ {
+ if (IS_ENEMY(smashed) && IS_BD_ELEMENT(smashed))
+ {
+ Bang(x, y+1);
+ return;
+ }
+ }
+ else if ((element == EL_SP_INFOTRON || element == EL_SP_ZONK) &&
+ (smashed == EL_SP_SNIKSNAK || smashed == EL_SP_ELECTRON ||
+ smashed == EL_SP_DISK_ORANGE))
+ {
+ Bang(x, y+1);
+ return;
+ }
+ else if (element == EL_FELSBROCKEN ||
+ element == EL_SP_ZONK ||
+ element == EL_BD_ROCK)
+ {
+ if (IS_ENEMY(smashed) ||
+ smashed == EL_BOMBE || smashed == EL_SP_DISK_ORANGE ||
+ smashed == EL_DX_SUPABOMB ||
+ smashed == EL_SONDE || smashed == EL_SCHWEIN ||
+ smashed == EL_DRACHE || smashed == EL_MOLE)
+ {
+ Bang(x, y+1);
+ return;
+ }
+ else if (!IS_MOVING(x, y+1))
+ {
+ if (smashed == EL_BIRNE_AUS || smashed == EL_BIRNE_EIN)
+ {
+ Bang(x, y+1);
+ return;
+ }
+ else if (smashed == EL_KOKOSNUSS)
+ {
+ Feld[x][y+1] = EL_CRACKINGNUT;
+ PlaySoundLevel(x, y, SND_NUT_CRACKING);
+ RaiseScoreElement(EL_KOKOSNUSS);
+ return;
+ }
+ else if (smashed == EL_PEARL)
+ {
+ Feld[x][y+1] = EL_PEARL_BREAKING;
+ PlaySoundLevel(x, y, SND_PEARL_BREAKING);
+ return;
+ }
+ else if (smashed == EL_DIAMANT)
+ {
+ Feld[x][y+1] = EL_LEERRAUM;
+ PlaySoundLevel(x, y, SND_DIAMOND_BREAKING);
+ return;
+ }
+ else if (IS_BELT_SWITCH(smashed))
+ {
+ ToggleBeltSwitch(x, y+1);
+ }
+ else if (smashed == EL_SWITCHGATE_SWITCH_1 ||
+ smashed == EL_SWITCHGATE_SWITCH_2)
+ {
+ ToggleSwitchgateSwitch(x, y+1);
+ }
+ else if (smashed == EL_LIGHT_SWITCH_OFF ||
+ smashed == EL_LIGHT_SWITCH_ON)
+ {
+ ToggleLightSwitch(x, y+1);
+ }
+ }
+ }
+ }
+
+ /* play sound of magic wall / mill */
+ if (!lastline &&
+ (Feld[x][y+1] == EL_MAGIC_WALL_EMPTY ||
+ Feld[x][y+1] == EL_MAGIC_WALL_BD_EMPTY))
+ {
+ if (Feld[x][y+1] == EL_MAGIC_WALL_EMPTY)
+ PlaySoundLevel(x, y, SND_MAGIC_WALL_CHANGING);
+ else if (Feld[x][y+1] == EL_MAGIC_WALL_BD_EMPTY)
+ PlaySoundLevel(x, y, SND_BD_MAGIC_WALL_CHANGING);
+
+ return;
+ }
+
+ /* play sound of object that hits the ground */
+ if (lastline || object_hit)
+ PlaySoundLevelElementAction(x, y, element, SND_ACTION_IMPACT);
+}
+
+void TurnRound(int x, int y)
+{
+ static struct
+ {
+ int x, y;
+ } move_xy[] =
+ {
+ { 0, 0 },
+ {-1, 0 },
+ {+1, 0 },
+ { 0, 0 },
+ { 0, -1 },
+ { 0, 0 }, { 0, 0 }, { 0, 0 },
+ { 0, +1 }
+ };
+ static struct
+ {
+ int left, right, back;
+ } turn[] =
+ {
+ { 0, 0, 0 },
+ { MV_DOWN, MV_UP, MV_RIGHT },
+ { MV_UP, MV_DOWN, MV_LEFT },
+ { 0, 0, 0 },
+ { MV_LEFT, MV_RIGHT, MV_DOWN },
+ { 0,0,0 }, { 0,0,0 }, { 0,0,0 },
+ { MV_RIGHT, MV_LEFT, MV_UP }
+ };
+
+ int element = Feld[x][y];
+ int old_move_dir = MovDir[x][y];
+ int left_dir = turn[old_move_dir].left;
+ int right_dir = turn[old_move_dir].right;
+ int back_dir = turn[old_move_dir].back;
+
+ int left_dx = move_xy[left_dir].x, left_dy = move_xy[left_dir].y;
+ int right_dx = move_xy[right_dir].x, right_dy = move_xy[right_dir].y;
+ int move_dx = move_xy[old_move_dir].x, move_dy = move_xy[old_move_dir].y;
+ int back_dx = move_xy[back_dir].x, back_dy = move_xy[back_dir].y;
+
+ int left_x = x+left_dx, left_y = y+left_dy;
+ int right_x = x+right_dx, right_y = y+right_dy;
+ int move_x = x+move_dx, move_y = y+move_dy;
+
+ if (element == EL_KAEFER || element == EL_BUTTERFLY)
+ {
+ TestIfBadThingTouchesOtherBadThing(x, y);
+
+ if (IN_LEV_FIELD(right_x, right_y) &&
+ IS_FREE(right_x, right_y))
+ MovDir[x][y] = right_dir;
+ else if (!IN_LEV_FIELD(move_x, move_y) ||
+ !IS_FREE(move_x, move_y))
+ MovDir[x][y] = left_dir;
+
+ if (element == EL_KAEFER && MovDir[x][y] != old_move_dir)
+ MovDelay[x][y] = 9;
+ else if (element == EL_BUTTERFLY) /* && MovDir[x][y] == left_dir) */
+ MovDelay[x][y] = 1;
+ }
+ else if (element == EL_FLIEGER || element == EL_FIREFLY ||
+ element == EL_SP_SNIKSNAK || element == EL_SP_ELECTRON)
+ {
+ TestIfBadThingTouchesOtherBadThing(x, y);
+
+ if (IN_LEV_FIELD(left_x, left_y) &&
+ IS_FREE(left_x, left_y))
+ MovDir[x][y] = left_dir;
+ else if (!IN_LEV_FIELD(move_x, move_y) ||
+ !IS_FREE(move_x, move_y))
+ MovDir[x][y] = right_dir;
+
+ if ((element == EL_FLIEGER ||
+ element == EL_SP_SNIKSNAK || element == EL_SP_ELECTRON)
+ && MovDir[x][y] != old_move_dir)
+ MovDelay[x][y] = 9;
+ else if (element == EL_FIREFLY) /* && MovDir[x][y] == right_dir) */
+ MovDelay[x][y] = 1;
+ }
+ else if (element == EL_MAMPFER)
+ {
+ boolean can_turn_left = FALSE, can_turn_right = FALSE;
+
+ if (IN_LEV_FIELD(left_x, left_y) &&
+ (IS_FREE_OR_PLAYER(left_x, left_y) ||
+ Feld[left_x][left_y] == EL_DIAMANT))
+ can_turn_left = TRUE;
+ if (IN_LEV_FIELD(right_x, right_y) &&
+ (IS_FREE_OR_PLAYER(right_x, right_y) ||
+ Feld[right_x][right_y] == EL_DIAMANT))
+ can_turn_right = TRUE;
+
+ if (can_turn_left && can_turn_right)
+ MovDir[x][y] = (RND(3) ? (RND(2) ? left_dir : right_dir) : back_dir);
+ else if (can_turn_left)
+ MovDir[x][y] = (RND(2) ? left_dir : back_dir);
+ else if (can_turn_right)
+ MovDir[x][y] = (RND(2) ? right_dir : back_dir);
+ else
+ MovDir[x][y] = back_dir;
+
+ MovDelay[x][y] = 16+16*RND(3);
+ }
+ else if (element == EL_MAMPFER2)
+ {
+ boolean can_turn_left = FALSE, can_turn_right = FALSE;
+
+ if (IN_LEV_FIELD(left_x, left_y) &&
+ (IS_FREE_OR_PLAYER(left_x, left_y) ||
+ IS_MAMPF2(Feld[left_x][left_y])))
+ can_turn_left = TRUE;
+ if (IN_LEV_FIELD(right_x, right_y) &&
+ (IS_FREE_OR_PLAYER(right_x, right_y) ||
+ IS_MAMPF2(Feld[right_x][right_y])))
+ can_turn_right = TRUE;
+
+ if (can_turn_left && can_turn_right)
+ MovDir[x][y] = (RND(3) ? (RND(2) ? left_dir : right_dir) : back_dir);
+ else if (can_turn_left)
+ MovDir[x][y] = (RND(2) ? left_dir : back_dir);
+ else if (can_turn_right)
+ MovDir[x][y] = (RND(2) ? right_dir : back_dir);
+ else
+ MovDir[x][y] = back_dir;
+
+ MovDelay[x][y] = 16+16*RND(3);
+ }
+ else if (element == EL_PACMAN)
+ {
+ boolean can_turn_left = FALSE, can_turn_right = FALSE;
+
+ if (IN_LEV_FIELD(left_x, left_y) &&
+ (IS_FREE_OR_PLAYER(left_x, left_y) ||
+ IS_AMOEBOID(Feld[left_x][left_y])))
+ can_turn_left = TRUE;
+ if (IN_LEV_FIELD(right_x, right_y) &&
+ (IS_FREE_OR_PLAYER(right_x, right_y) ||
+ IS_AMOEBOID(Feld[right_x][right_y])))
+ can_turn_right = TRUE;
+
+ if (can_turn_left && can_turn_right)
+ MovDir[x][y] = (RND(3) ? (RND(2) ? left_dir : right_dir) : back_dir);
+ else if (can_turn_left)
+ MovDir[x][y] = (RND(2) ? left_dir : back_dir);
+ else if (can_turn_right)
+ MovDir[x][y] = (RND(2) ? right_dir : back_dir);
+ else
+ MovDir[x][y] = back_dir;
+
+ MovDelay[x][y] = 6+RND(40);
+ }
+ else if (element == EL_SCHWEIN)
+ {
+ boolean can_turn_left = FALSE, can_turn_right = FALSE, can_move_on = FALSE;
+ boolean should_turn_left = FALSE, should_turn_right = FALSE;
+ boolean should_move_on = FALSE;
+ int rnd_value = 24;
+ int rnd = RND(rnd_value);
+
+ if (IN_LEV_FIELD(left_x, left_y) &&
+ (IS_FREE(left_x, left_y) || IS_GEM(Feld[left_x][left_y])))
+ can_turn_left = TRUE;
+ if (IN_LEV_FIELD(right_x, right_y) &&
+ (IS_FREE(right_x, right_y) || IS_GEM(Feld[right_x][right_y])))
+ can_turn_right = TRUE;
+ if (IN_LEV_FIELD(move_x, move_y) &&
+ (IS_FREE(move_x, move_y) || IS_GEM(Feld[move_x][move_y])))
+ can_move_on = TRUE;
+
+ if (can_turn_left &&
+ (!can_move_on ||
+ (IN_LEV_FIELD(x+back_dx+left_dx, y+back_dy+left_dy) &&
+ !IS_FREE(x+back_dx+left_dx, y+back_dy+left_dy))))
+ should_turn_left = TRUE;
+ if (can_turn_right &&
+ (!can_move_on ||
+ (IN_LEV_FIELD(x+back_dx+right_dx, y+back_dy+right_dy) &&
+ !IS_FREE(x+back_dx+right_dx, y+back_dy+right_dy))))
+ should_turn_right = TRUE;
+ if (can_move_on &&
+ (!can_turn_left || !can_turn_right ||
+ (IN_LEV_FIELD(x+move_dx+left_dx, y+move_dy+left_dy) &&
+ !IS_FREE(x+move_dx+left_dx, y+move_dy+left_dy)) ||
+ (IN_LEV_FIELD(x+move_dx+right_dx, y+move_dy+right_dy) &&
+ !IS_FREE(x+move_dx+right_dx, y+move_dy+right_dy))))
+ should_move_on = TRUE;
+
+ if (should_turn_left || should_turn_right || should_move_on)
+ {
+ if (should_turn_left && should_turn_right && should_move_on)
+ MovDir[x][y] = (rnd < rnd_value/3 ? left_dir :
+ rnd < 2*rnd_value/3 ? right_dir :
+ old_move_dir);
+ else if (should_turn_left && should_turn_right)
+ MovDir[x][y] = (rnd < rnd_value/2 ? left_dir : right_dir);
+ else if (should_turn_left && should_move_on)
+ MovDir[x][y] = (rnd < rnd_value/2 ? left_dir : old_move_dir);
+ else if (should_turn_right && should_move_on)
+ MovDir[x][y] = (rnd < rnd_value/2 ? right_dir : old_move_dir);
+ else if (should_turn_left)
+ MovDir[x][y] = left_dir;
+ else if (should_turn_right)
+ MovDir[x][y] = right_dir;
+ else if (should_move_on)
+ MovDir[x][y] = old_move_dir;
+ }
+ else if (can_move_on && rnd > rnd_value/8)
+ MovDir[x][y] = old_move_dir;
+ else if (can_turn_left && can_turn_right)
+ MovDir[x][y] = (rnd < rnd_value/2 ? left_dir : right_dir);
+ else if (can_turn_left && rnd > rnd_value/8)
+ MovDir[x][y] = left_dir;
+ else if (can_turn_right && rnd > rnd_value/8)
+ MovDir[x][y] = right_dir;
+ else
+ MovDir[x][y] = back_dir;
+
+ if (!IS_FREE(x+move_xy[MovDir[x][y]].x, y+move_xy[MovDir[x][y]].y) &&
+ !IS_GEM(Feld[x+move_xy[MovDir[x][y]].x][y+move_xy[MovDir[x][y]].y]))
+ MovDir[x][y] = old_move_dir;
+
+ MovDelay[x][y] = 0;
+ }
+ else if (element == EL_DRACHE)
+ {
+ boolean can_turn_left = FALSE, can_turn_right = FALSE, can_move_on = FALSE;
+ int rnd_value = 24;
+ int rnd = RND(rnd_value);
+
+ if (IN_LEV_FIELD(left_x, left_y) && IS_FREE(left_x, left_y))
+ can_turn_left = TRUE;
+ if (IN_LEV_FIELD(right_x, right_y) && IS_FREE(right_x, right_y))
+ can_turn_right = TRUE;
+ if (IN_LEV_FIELD(move_x, move_y) && IS_FREE(move_x, move_y))
+ can_move_on = TRUE;
+
+ if (can_move_on && rnd > rnd_value/8)
+ MovDir[x][y] = old_move_dir;
+ else if (can_turn_left && can_turn_right)
+ MovDir[x][y] = (rnd < rnd_value/2 ? left_dir : right_dir);
+ else if (can_turn_left && rnd > rnd_value/8)
+ MovDir[x][y] = left_dir;
+ else if (can_turn_right && rnd > rnd_value/8)
+ MovDir[x][y] = right_dir;
+ else
+ MovDir[x][y] = back_dir;
+
+ if (!IS_FREE(x+move_xy[MovDir[x][y]].x, y+move_xy[MovDir[x][y]].y))
+ MovDir[x][y] = old_move_dir;
+
+ MovDelay[x][y] = 0;
+ }
+ else if (element == EL_MOLE)
+ {
+ boolean can_turn_left = FALSE, can_turn_right = FALSE, can_move_on = FALSE;
+
+ if (IN_LEV_FIELD(move_x, move_y) &&
+ (IS_FREE(move_x, move_y) || IS_AMOEBOID(Feld[move_x][move_y]) ||
+ Feld[move_x][move_y] == EL_DEAMOEBING))
+ can_move_on = TRUE;
+
+ if (!can_move_on)
+ {
+ if (IN_LEV_FIELD(left_x, left_y) &&
+ (IS_FREE(left_x, left_y) || IS_AMOEBOID(Feld[left_x][left_y])))
+ can_turn_left = TRUE;
+ if (IN_LEV_FIELD(right_x, right_y) &&
+ (IS_FREE(right_x, right_y) || IS_AMOEBOID(Feld[right_x][right_y])))
+ can_turn_right = TRUE;
+
+ if (can_turn_left && can_turn_right)
+ MovDir[x][y] = (RND(2) ? left_dir : right_dir);
+ else if (can_turn_left)
+ MovDir[x][y] = left_dir;
+ else
+ MovDir[x][y] = right_dir;
+ }
+
+ if (MovDir[x][y] != old_move_dir)
+ MovDelay[x][y] = 9;
+ }
+ else if (element == EL_BALLOON)
+ {
+ MovDir[x][y] = game.balloon_dir;
+ MovDelay[x][y] = 0;
+ }
+ else if (element == EL_SPRING_MOVING)
+ {
+ if (!IN_LEV_FIELD(move_x, move_y) || !IS_FREE(move_x, move_y) ||
+ (IN_LEV_FIELD(x, y+1) && IS_FREE(x, y+1)))
+ {
+ Feld[x][y] = EL_SPRING;
+ MovDir[x][y] = MV_NO_MOVING;
+ }
+ MovDelay[x][y] = 0;
+ }
+ else if (element == EL_ROBOT || element == EL_SONDE || element == EL_PINGUIN)
+ {
+ int attr_x = -1, attr_y = -1;
+
+ if (AllPlayersGone)
+ {
+ attr_x = ExitX;
+ attr_y = ExitY;
+ }
+ else
+ {
+ int i;
+
+ for (i=0; i<MAX_PLAYERS; i++)
+ {
+ struct PlayerInfo *player = &stored_player[i];
+ int jx = player->jx, jy = player->jy;
+
+ if (!player->active)
+ continue;
+
+ if (attr_x == -1 || ABS(jx-x)+ABS(jy-y) < ABS(attr_x-x)+ABS(attr_y-y))
+ {
+ attr_x = jx;
+ attr_y = jy;
+ }
+ }
+ }
+
+ if (element == EL_ROBOT && ZX>=0 && ZY>=0)
+ {
+ attr_x = ZX;
+ attr_y = ZY;
+ }
+
+ if (element == EL_PINGUIN)
+ {
+ int i;
+ static int xy[4][2] =
+ {
+ { 0, -1 },
+ { -1, 0 },
+ { +1, 0 },
+ { 0, +1 }
+ };
+
+ for (i=0; i<4; i++)
+ {
+ int ex = x + xy[i%4][0];
+ int ey = y + xy[i%4][1];
+
+ if (IN_LEV_FIELD(ex, ey) && Feld[ex][ey] == EL_AUSGANG_AUF)
+ {
+ attr_x = ex;
+ attr_y = ey;
+ break;
+ }
+ }
+ }
+
+ MovDir[x][y] = MV_NO_MOVING;
+ if (attr_x<x)
+ MovDir[x][y] |= (AllPlayersGone ? MV_RIGHT : MV_LEFT);
+ else if (attr_x>x)
+ MovDir[x][y] |= (AllPlayersGone ? MV_LEFT : MV_RIGHT);
+ if (attr_y<y)
+ MovDir[x][y] |= (AllPlayersGone ? MV_DOWN : MV_UP);
+ else if (attr_y>y)
+ MovDir[x][y] |= (AllPlayersGone ? MV_UP : MV_DOWN);
+
+ if (element == EL_ROBOT)
+ {
+ int newx, newy;
+
+ if ((MovDir[x][y]&(MV_LEFT|MV_RIGHT)) && (MovDir[x][y]&(MV_UP|MV_DOWN)))
+ MovDir[x][y] &= (RND(2) ? (MV_LEFT|MV_RIGHT) : (MV_UP|MV_DOWN));
+ Moving2Blocked(x, y, &newx, &newy);
+
+ if (IN_LEV_FIELD(newx, newy) && IS_FREE_OR_PLAYER(newx, newy))
+ MovDelay[x][y] = 8+8*!RND(3);
+ else
+ MovDelay[x][y] = 16;
+ }
+ else
+ {
+ int newx, newy;
+
+ MovDelay[x][y] = 1;
+
+ if ((MovDir[x][y]&(MV_LEFT|MV_RIGHT)) && (MovDir[x][y]&(MV_UP|MV_DOWN)))
+ {
+ boolean first_horiz = RND(2);
+ int new_move_dir = MovDir[x][y];
+
+ MovDir[x][y] =
+ new_move_dir & (first_horiz ? (MV_LEFT|MV_RIGHT) : (MV_UP|MV_DOWN));
+ Moving2Blocked(x, y, &newx, &newy);
+
+ if (IN_LEV_FIELD(newx, newy) &&
+ (IS_FREE(newx, newy) ||
+ Feld[newx][newy] == EL_SALZSAEURE ||
+ (element == EL_PINGUIN &&
+ (Feld[newx][newy] == EL_AUSGANG_AUF ||
+ IS_MAMPF3(Feld[newx][newy])))))
+ return;
+
+ MovDir[x][y] =
+ new_move_dir & (!first_horiz ? (MV_LEFT|MV_RIGHT) : (MV_UP|MV_DOWN));
+ Moving2Blocked(x, y, &newx, &newy);
+
+ if (IN_LEV_FIELD(newx, newy) &&
+ (IS_FREE(newx, newy) ||
+ Feld[newx][newy] == EL_SALZSAEURE ||
+ (element == EL_PINGUIN &&
+ (Feld[newx][newy] == EL_AUSGANG_AUF ||
+ IS_MAMPF3(Feld[newx][newy])))))
+ return;
+
+ MovDir[x][y] = old_move_dir;
+ return;
+ }
+ }
+ }
+}
+
+static boolean JustBeingPushed(int x, int y)
+{
+ int i;
+
+ for (i=0; i<MAX_PLAYERS; i++)
+ {
+ struct PlayerInfo *player = &stored_player[i];
+
+ if (player->active && player->Pushing && player->MovPos)
+ {
+ int next_jx = player->jx + (player->jx - player->last_jx);
+ int next_jy = player->jy + (player->jy - player->last_jy);
+
+ if (x == next_jx && y == next_jy)
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+void StartMoving(int x, int y)
+{
+ int element = Feld[x][y];
+
+ if (Stop[x][y])
+ return;
+
+ if (CAN_FALL(element) && y<lev_fieldy-1)
+ {
+ if ((x>0 && IS_PLAYER(x-1, y)) || (x<lev_fieldx-1 && IS_PLAYER(x+1, y)))
+ if (JustBeingPushed(x, y))
+ return;
+
+ if (element == EL_MORAST_VOLL)
+ {
+ if (IS_FREE(x, y+1))
+ {
+ InitMovingField(x, y, MV_DOWN);
+ Feld[x][y] = EL_QUICKSAND_EMPTYING;
+ Store[x][y] = EL_FELSBROCKEN;
+ PlaySoundLevel(x, y, SND_QUICKSAND_EMPTYING);
+ }
+ else if (Feld[x][y+1] == EL_MORAST_LEER)
+ {
+ if (!MovDelay[x][y])
+ MovDelay[x][y] = TILEY + 1;
+
+ if (MovDelay[x][y])
+ {
+ MovDelay[x][y]--;
+ if (MovDelay[x][y])
+ return;
+ }
+
+ Feld[x][y] = EL_MORAST_LEER;
+ Feld[x][y+1] = EL_MORAST_VOLL;
+ Store[x][y+1] = Store[x][y];
+ Store[x][y] = 0;
+ PlaySoundLevel(x, y, SND_QUICKSAND_SLIPPING_THROUGH);
+ }
+ }
+ else if ((element == EL_FELSBROCKEN || element == EL_BD_ROCK) &&
+ Feld[x][y+1] == EL_MORAST_LEER)
+ {
+ InitMovingField(x, y, MV_DOWN);
+ Feld[x][y] = EL_QUICKSAND_FILLING;
+ Store[x][y] = element;
+ PlaySoundLevel(x, y, SND_QUICKSAND_FILLING);
+ }
+ else if (element == EL_MAGIC_WALL_FULL)
+ {
+ if (IS_FREE(x, y+1))
+ {
+ InitMovingField(x, y, MV_DOWN);
+ Feld[x][y] = EL_MAGIC_WALL_EMPTYING;
+ Store[x][y] = EL_CHANGED(Store[x][y]);
+ }
+ else if (Feld[x][y+1] == EL_MAGIC_WALL_EMPTY)
+ {
+ if (!MovDelay[x][y])
+ MovDelay[x][y] = TILEY/4 + 1;
+
+ if (MovDelay[x][y])
+ {
+ MovDelay[x][y]--;
+ if (MovDelay[x][y])
+ return;
+ }
+
+ Feld[x][y] = EL_MAGIC_WALL_EMPTY;
+ Feld[x][y+1] = EL_MAGIC_WALL_FULL;
+ Store[x][y+1] = EL_CHANGED(Store[x][y]);
+ Store[x][y] = 0;
+ }
+ }
+ else if (element == EL_MAGIC_WALL_BD_FULL)
+ {
+ if (IS_FREE(x, y+1))
+ {
+ InitMovingField(x, y, MV_DOWN);
+ Feld[x][y] = EL_MAGIC_WALL_BD_EMPTYING;
+ Store[x][y] = EL_CHANGED2(Store[x][y]);
+ }
+ else if (Feld[x][y+1] == EL_MAGIC_WALL_BD_EMPTY)
+ {
+ if (!MovDelay[x][y])
+ MovDelay[x][y] = TILEY/4 + 1;
+
+ if (MovDelay[x][y])
+ {
+ MovDelay[x][y]--;
+ if (MovDelay[x][y])
+ return;
+ }
+
+ Feld[x][y] = EL_MAGIC_WALL_BD_EMPTY;
+ Feld[x][y+1] = EL_MAGIC_WALL_BD_FULL;
+ Store[x][y+1] = EL_CHANGED2(Store[x][y]);
+ Store[x][y] = 0;
+ }
+ }
+ else if (CAN_CHANGE(element) &&
+ (Feld[x][y+1] == EL_MAGIC_WALL_EMPTY ||
+ Feld[x][y+1] == EL_MAGIC_WALL_BD_EMPTY))
+ {
+ InitMovingField(x, y, MV_DOWN);
+ Feld[x][y] =
+ (Feld[x][y+1] == EL_MAGIC_WALL_EMPTY ? EL_MAGIC_WALL_FILLING :
+ EL_MAGIC_WALL_BD_FILLING);
+ Store[x][y] = element;
+ }
+ else if (CAN_SMASH(element) && Feld[x][y+1] == EL_SALZSAEURE)
+ {
+ Blurb(x, y);
+ InitMovingField(x, y, MV_DOWN);
+ Store[x][y] = EL_SALZSAEURE;
+ }
+ else if (CAN_SMASH(element) && Feld[x][y+1] == EL_BLOCKED &&
+ JustStopped[x][y])
+ {
+ Impact(x, y);
+ }
+ else if (IS_FREE(x, y+1))
+ {
+ InitMovingField(x, y, MV_DOWN);
+ }
+ else if (element == EL_TROPFEN)
+ {
+ Feld[x][y] = EL_AMOEBING;
+ Store[x][y] = EL_AMOEBE_NASS;
+ }
+ /* Store[x][y+1] must be zero, because:
+ (EL_MORAST_VOLL -> EL_FELSBROCKEN): Store[x][y+1] == EL_MORAST_LEER
+ */
+#if 0
+#if OLD_GAME_BEHAVIOUR
+ else if (IS_SLIPPERY(Feld[x][y+1]) && !Store[x][y+1])
+#else
+ else if (IS_SLIPPERY(Feld[x][y+1]) && !Store[x][y+1] &&
+ !IS_FALLING(x, y+1) && !JustStopped[x][y+1] &&
+ element != EL_DX_SUPABOMB)
+#endif
+#else
+ else if ((IS_SLIPPERY(Feld[x][y+1]) ||
+ (IS_EM_SLIPPERY_WALL(Feld[x][y+1]) && IS_GEM(element))) &&
+ !IS_FALLING(x, y+1) && !JustStopped[x][y+1] &&
+ element != EL_DX_SUPABOMB && element != EL_SP_DISK_ORANGE)
+#endif
+ {
+ boolean left = (x>0 && IS_FREE(x-1, y) &&
+ (IS_FREE(x-1, y+1) || Feld[x-1][y+1] == EL_SALZSAEURE));
+ boolean right = (x<lev_fieldx-1 && IS_FREE(x+1, y) &&
+ (IS_FREE(x+1, y+1) || Feld[x+1][y+1] == EL_SALZSAEURE));
+
+ if (left || right)
+ {
+ if (left && right &&
+ (game.emulation != EMU_BOULDERDASH &&
+ element != EL_BD_ROCK && element != EL_EDELSTEIN_BD))
+ left = !(right = RND(2));
+
+ InitMovingField(x, y, left ? MV_LEFT : MV_RIGHT);
+ }
+ }
+ else if (IS_BELT(Feld[x][y+1]))
+ {
+ boolean left_is_free = (x>0 && IS_FREE(x-1, y));
+ boolean right_is_free = (x<lev_fieldx-1 && IS_FREE(x+1, y));
+ int belt_nr = getBeltNrFromElement(Feld[x][y+1]);
+ int belt_dir = game.belt_dir[belt_nr];
+
+ if ((belt_dir == MV_LEFT && left_is_free) ||
+ (belt_dir == MV_RIGHT && right_is_free))
+ InitMovingField(x, y, belt_dir);
+ }
+ }
+ else if (CAN_MOVE(element))
+ {
+ int newx, newy;
+
+ if ((element == EL_SONDE || element == EL_BALLOON ||
+ element == EL_SPRING_MOVING)
+ && JustBeingPushed(x, y))
+ return;
+
+ if (!MovDelay[x][y]) /* start new movement phase */
+ {
+ /* all objects that can change their move direction after each step */
+ /* (MAMPFER, MAMPFER2 and PACMAN go straight until they hit a wall */
+
+ if (element!=EL_MAMPFER && element!=EL_MAMPFER2 && element!=EL_PACMAN)
+ {
+ TurnRound(x, y);
+
+ if (MovDelay[x][y] && (element == EL_KAEFER ||
+ element == EL_FLIEGER ||
+ element == EL_SP_SNIKSNAK ||
+ element == EL_SP_ELECTRON ||
+ element == EL_MOLE))
+ DrawLevelField(x, y);
+ }
+ }
+
+ if (MovDelay[x][y]) /* wait some time before next movement */
+ {
+ MovDelay[x][y]--;
+
+ if (element == EL_ROBOT ||
+ element == EL_MAMPFER || element == EL_MAMPFER2)
+ {
+ int phase = MovDelay[x][y] % 8;
+
+ if (phase > 3)
+ phase = 7 - phase;
+
+ if (IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
+ DrawGraphic(SCREENX(x), SCREENY(y), el2gfx(element) + phase);
+
+ if (MovDelay[x][y] % 4 == 3)
+ {
+ if (element == EL_MAMPFER)
+ PlaySoundLevel(x, y, SND_YAMYAM_WAITING);
+ else if (element == EL_MAMPFER2)
+ PlaySoundLevel(x, y, SND_DARK_YAMYAM_WAITING);
+ }
+ }
+ else if (element == EL_SP_ELECTRON)
+ DrawGraphicAnimation(x, y, GFX2_SP_ELECTRON, 8, 2, ANIM_NORMAL);
+ else if (element == EL_DRACHE)
+ {
+ int i;
+ int dir = MovDir[x][y];
+ int dx = (dir == MV_LEFT ? -1 : dir == MV_RIGHT ? +1 : 0);
+ int dy = (dir == MV_UP ? -1 : dir == MV_DOWN ? +1 : 0);
+ int graphic = (dir == MV_LEFT ? GFX_FLAMMEN_LEFT :
+ dir == MV_RIGHT ? GFX_FLAMMEN_RIGHT :
+ dir == MV_UP ? GFX_FLAMMEN_UP :
+ dir == MV_DOWN ? GFX_FLAMMEN_DOWN : GFX_LEERRAUM);
+ int phase = FrameCounter % 2;
+
+ for (i=1; i<=3; i++)
+ {
+ int xx = x + i*dx, yy = y + i*dy;
+ int sx = SCREENX(xx), sy = SCREENY(yy);
+
+ if (!IN_LEV_FIELD(xx, yy) ||
+ IS_SOLID(Feld[xx][yy]) || Feld[xx][yy] == EL_EXPLODING)
+ break;
+
+ if (MovDelay[x][y])
+ {
+ int flamed = MovingOrBlocked2Element(xx, yy);
+
+ if (IS_ENEMY(flamed) || IS_EXPLOSIVE(flamed))
+ Bang(xx, yy);
+ else
+ RemoveMovingField(xx, yy);
+
+ Feld[xx][yy] = EL_BURNING;
+ if (IN_SCR_FIELD(sx, sy))
+ DrawGraphic(sx, sy, graphic + phase*3 + i-1);
+ }
+ else
+ {
+ if (Feld[xx][yy] == EL_BURNING)
+ Feld[xx][yy] = EL_LEERRAUM;
+ DrawLevelField(xx, yy);
+ }
+ }
+ }
+
+ if (MovDelay[x][y]) /* element still has to wait some time */
+ {
+ PlaySoundLevelAction(x, y, SND_ACTION_WAITING);
+
+ return;
+ }
+ }
+
+ /* now make next step */
+
+ Moving2Blocked(x, y, &newx, &newy); /* get next screen position */
+
+ if (IS_ENEMY(element) && IS_PLAYER(newx, newy) &&
+ !PLAYER_PROTECTED(newx, newy))
+ {
+
+#if 1
+ TestIfBadThingRunsIntoHero(x, y, MovDir[x][y]);
+ return;
+#else
+ /* enemy got the player */
+ MovDir[x][y] = 0;
+ KillHero(PLAYERINFO(newx, newy));