+ 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_EMPTY)
+ 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_EMPTY;
+ 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_BD_MAGIC_WALL_EMPTYING ||
+ Feld[oldx][oldy] == EL_AMOEBA_DRIPPING))
+ Feld[oldx][oldy] = get_next_element(Feld[oldx][oldy]);
+ else
+ Feld[oldx][oldy] = EL_EMPTY;
+
+ Store[oldx][oldy] = Store2[oldx][oldy] = 0;
+
+ Feld[newx][newy] = EL_EMPTY;
+ 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_ACTIVE);
+
+ 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_ACTIVE);
+ else
+ StopSound(SND_DYNABOMB_ACTIVE);
+
+ 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_AMOEBA_TO_DIAMOND) &&
+ (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_FLAMES)
+ 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_EMPTY);
+ Store[x][y] = 0;
+ }
+
+ continue;
+ }
+
+ if (element == EL_EXPLOSION)
+ element = Store2[x][y];
+
+ if (IS_PLAYER(ex, ey) && !PLAYER_PROTECTED(ex, ey))
+ {
+ switch(StorePlayer[ex][ey])
+ {
+ case EL_PLAYER2:
+ Store[x][y] = EL_EMERALD_RED;
+ break;
+ case EL_PLAYER3:
+ Store[x][y] = EL_EMERALD;
+ break;
+ case EL_PLAYER4:
+ Store[x][y] = EL_EMERALD_PURPLE;
+ break;
+ case EL_PLAYER1:
+ default:
+ Store[x][y] = EL_EMERALD_YELLOW;
+ break;
+ }
+
+ if (game.emulation == EMU_SUPAPLEX)
+ Store[x][y] = EL_EMPTY;
+ }
+ else if (center_element == EL_MOLE)
+ Store[x][y] = EL_EMERALD_RED;
+ else if (center_element == EL_PENGUIN)
+ Store[x][y] = EL_EMERALD_PURPLE;
+ else if (center_element == EL_BUG)
+ Store[x][y] = ((x == ex && y == ey) ? EL_DIAMOND : EL_EMERALD);
+ else if (center_element == EL_BD_BUTTERFLY)
+ Store[x][y] = EL_BD_DIAMOND;
+ else if (center_element == EL_SP_ELECTRON)
+ Store[x][y] = EL_SP_INFOTRON;
+ else if (center_element == EL_YAMYAM)
+ Store[x][y] = level.yam_content[game.yam_content_nr][x-ex+1][y-ey+1];
+ else if (center_element == EL_AMOEBA_TO_DIAMOND)
+ Store[x][y] = level.amoeba_content;
+ else if (element == EL_WALL_EMERALD)
+ Store[x][y] = EL_EMERALD;
+ else if (element == EL_WALL_DIAMOND)
+ Store[x][y] = EL_DIAMOND;
+ else if (element == EL_WALL_BD_DIAMOND)
+ Store[x][y] = EL_BD_DIAMOND;
+ else if (element == EL_WALL_EMERALD_YELLOW)
+ Store[x][y] = EL_EMERALD_YELLOW;
+ else if (element == EL_WALL_EMERALD_RED)
+ Store[x][y] = EL_EMERALD_RED;
+ else if (element == EL_WALL_EMERALD_PURPLE)
+ Store[x][y] = EL_EMERALD_PURPLE;
+ 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_EMPTY;
+
+ if (x != ex || y != ey ||
+ center_element == EL_AMOEBA_TO_DIAMOND || mode == EX_BORDER)
+ Store2[x][y] = element;
+
+ if (AmoebaNr[x][y] &&
+ (element == EL_AMOEBA_FULL ||
+ element == EL_BD_AMOEBA ||
+ element == EL_AMOEBA_CREATING))
+ {
+ AmoebaCnt[AmoebaNr[x][y]]--;
+ AmoebaCnt2[AmoebaNr[x][y]]--;
+ }
+
+ Feld[x][y] = EL_EXPLOSION;
+ MovDir[x][y] = MovPos[x][y] = 0;
+ AmoebaNr[x][y] = 0;
+ Frame[x][y] = 1;
+ Stop[x][y] = TRUE;
+ }
+
+ if (center_element == EL_YAMYAM)
+ 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_AMOEBA_TO_DIAMOND)
+ 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_PLAYER1_ACTIVE];
+ 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_EXPLOSION && IS_ACTIVE_BOMB(Store2[x][y]))
+ continue;
+
+ Explode(x, y, EX_PHASE_START, EX_BORDER);
+
+ if (element != EL_EMPTY &&
+ element != EL_SAND &&
+ element != EL_EXPLOSION &&
+ !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_EMPTY;
+#endif
+
+ switch(element)
+ {
+ case EL_BUG:
+ case EL_SPACESHIP:
+ case EL_BD_BUTTERFLY:
+ case EL_BD_FIREFLY:
+ case EL_YAMYAM:
+ case EL_DARK_YAMYAM:
+ case EL_ROBOT:
+ case EL_PACMAN:
+ case EL_MOLE:
+ RaiseScoreElement(element);
+ Explode(x, y, EX_PHASE_START, EX_NORMAL);
+ break;
+ case EL_DYNABOMB_PLAYER1_ACTIVE:
+ case EL_DYNABOMB_PLAYER2_ACTIVE:
+ case EL_DYNABOMB_PLAYER3_ACTIVE:
+ case EL_DYNABOMB_PLAYER4_ACTIVE:
+ case EL_DYNABOMB_NR:
+ case EL_DYNABOMB_SZ:
+ case EL_DYNABOMB_XL:
+ DynaExplode(x, y);
+ break;
+ case EL_PENGUIN:
+ case EL_LAMP:
+ case EL_LAMP_ACTIVE:
+ 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_ACID_SPLASHING_LEFT &&
+ element != EL_ACID_SPLASHING_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_ACID_SPLASHING_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_ACID_SPLASHING_RIGHT;
+ }
+ }
+ else /* go on */
+ {
+ int graphic =
+ (element == EL_ACID_SPLASHING_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_EMPTY;
+ DrawLevelField(x, y);
+ }
+ }
+ }
+}
+
+static void ToggleBeltSwitch(int x, int y)
+{
+ static int belt_base_element[4] =
+ {
+ EL_CONVEYOR_BELT1_LEFT,
+ EL_CONVEYOR_BELT2_LEFT,
+ EL_CONVEYOR_BELT3_LEFT,
+ EL_CONVEYOR_BELT4_LEFT
+ };
+ static int belt_base_active_element[4] =
+ {
+ EL_CONVEYOR_BELT1_LEFT_ACTIVE,
+ EL_CONVEYOR_BELT2_LEFT_ACTIVE,
+ EL_CONVEYOR_BELT3_LEFT_ACTIVE,
+ EL_CONVEYOR_BELT4_LEFT_ACTIVE
+ };
+ static int belt_base_switch_element[4] =
+ {
+ EL_CONVEYOR_BELT1_SWITCH_LEFT,
+ EL_CONVEYOR_BELT2_SWITCH_LEFT,
+ EL_CONVEYOR_BELT3_SWITCH_LEFT,
+ EL_CONVEYOR_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 = getBeltNrFromBeltSwitchElement(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 = getBeltNrFromBeltSwitchElement(element);
+
+ if (e_belt_nr == belt_nr)
+ {
+ Feld[xx][yy] = belt_base_switch_element[belt_nr] + belt_dir_nr;
+ DrawLevelField(xx, yy);
+ }
+ }
+ else if (IS_BELT(element) && belt_dir != MV_NO_MOVING)
+ {
+ int e_belt_nr = getBeltNrFromBeltElement(element);
+
+ if (e_belt_nr == belt_nr)
+ {
+ int belt_part = Feld[xx][yy] - belt_base_element[belt_nr];
+
+ Feld[xx][yy] = belt_base_active_element[belt_nr] + belt_part;
+ DrawLevelField(xx, yy);
+ }
+ }
+ else if (IS_BELT_ACTIVE(element) && belt_dir == MV_NO_MOVING)
+ {
+ int e_belt_nr = getBeltNrFromBeltActiveElement(element);
+
+ if (e_belt_nr == belt_nr)
+ {
+ int belt_part = Feld[xx][yy] - belt_base_active_element[belt_nr];
+
+ Feld[xx][yy] = belt_base_element[belt_nr] + belt_part;
+ DrawLevelField(xx, yy);
+ }
+ }
+ }
+ }
+}
+
+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_UP ||
+ element == EL_SWITCHGATE_SWITCH_DOWN)
+ {
+ Feld[xx][yy] = EL_SWITCHGATE_SWITCH_UP + 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 int getInvisibleActiveFromInvisibleElement(int element)
+{
+ return (element == EL_INVISIBLE_STEELWALL ? EL_INVISIBLE_STEELWALL_ACTIVE :
+ element == EL_INVISIBLE_WALL ? EL_INVISIBLE_WALL_ACTIVE :
+ EL_INVISIBLE_SAND_ACTIVE);
+}
+
+static int getInvisibleFromInvisibleActiveElement(int element)
+{
+ return (element == EL_INVISIBLE_STEELWALL_ACTIVE ? EL_INVISIBLE_STEELWALL :
+ element == EL_INVISIBLE_WALL_ACTIVE ? EL_INVISIBLE_WALL :
+ EL_INVISIBLE_SAND);
+}
+
+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 &&
+ game.light_time_left > 0)
+ {
+ Feld[x][y] = EL_LIGHT_SWITCH_ACTIVE;
+ DrawLevelField(x, y);
+ }
+ else if (element == EL_LIGHT_SWITCH_ACTIVE &&
+ game.light_time_left == 0)
+ {
+ Feld[x][y] = EL_LIGHT_SWITCH;
+ DrawLevelField(x, y);
+ }
+ else if (element == EL_INVISIBLE_STEELWALL ||
+ element == EL_INVISIBLE_WALL ||
+ element == EL_INVISIBLE_SAND)
+ {
+ if (game.light_time_left > 0)
+ Feld[x][y] = getInvisibleActiveFromInvisibleElement(element);
+
+ DrawLevelField(x, y);
+ }
+ else if (element == EL_INVISIBLE_STEELWALL_ACTIVE ||
+ element == EL_INVISIBLE_WALL_ACTIVE ||
+ element == EL_INVISIBLE_SAND_ACTIVE)
+ {
+ if (game.light_time_left == 0)
+ Feld[x][y] = getInvisibleFromInvisibleActiveElement(element);
+
+ DrawLevelField(x, y);
+ }
+ }
+ }
+}
+
+static void ToggleLightSwitch(int x, int y)
+{
+ int element = Feld[x][y];
+
+ game.light_time_left =
+ (element == EL_LIGHT_SWITCH ?
+ 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_ACTIVE)
+ {
+ Feld[xx][yy] = EL_TIMEGATE_SWITCH;
+ DrawLevelField(xx, yy);
+ }
+ */
+
+ }
+ }
+
+ Feld[x][y] = EL_TIMEGATE_SWITCH_ACTIVE;
+}
+
+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_ACID) /* element falls into acid */
+ {
+ Blurb(x, y);
+ return;
+ }
+
+ if ((element == EL_BOMB ||
+ 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_AMOEBA_DROP && (lastline || object_hit))
+ {
+ if (object_hit && IS_PLAYER(x, y+1))
+ KillHeroUnlessProtected(x, y+1);
+ else if (object_hit && smashed == EL_PENGUIN)
+ Bang(x, y+1);
+ else
+ {
+ Feld[x][y] = EL_AMOEBA_CREATING;
+ Store[x][y] = EL_AMOEBA_WET;
+ }
+ return;
+ }
+
+ if (!lastline && object_hit) /* check which object was hit */
+ {
+ if (CAN_CHANGE(element) &&
+ (smashed == EL_MAGIC_WALL || smashed == EL_BD_MAGIC_WALL))
+ {
+ int xx, yy;
+ int activated_magic_wall =
+ (smashed == EL_MAGIC_WALL ? EL_MAGIC_WALL_ACTIVE :
+ EL_BD_MAGIC_WALL_ACTIVE);
+
+ /* 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 ?
+ SND_MAGIC_WALL_ACTIVATING :
+ SND_BD_MAGIC_WALL_ACTIVATING));
+ }
+
+ if (IS_PLAYER(x, y+1))
+ {
+ KillHeroUnlessProtected(x, y+1);
+ return;
+ }
+ else if (smashed == EL_PENGUIN)
+ {
+ Bang(x, y+1);