rnd-20020519-2-src
[rocksndiamonds.git] / src / game.c
index f898c8ae0b3c0b29d912e1c99e8e4262b25beee5..fc53f25664253a9b30952f60ff8262bffc418041 100644 (file)
 #define DX_TIME                        (DX + XX_TIME)
 #define DY_TIME                        (DY + YY_TIME)
 
-#define IS_LOOP_SOUND(s)       ((s) == SND_BD_MAGIC_WALL_RUNNING ||    \
-                                (s) == SND_BD_BUTTERFLY_MOVING ||      \
-                                (s) == SND_BD_FIREFLY_MOVING ||        \
-                                (s) == SND_SP_SNIKSNAK_MOVING ||       \
-                                (s) == SND_SP_ELECTRON_MOVING ||       \
-                                (s) == SND_DYNAMITE_BURNING || \
-                                (s) == SND_BUG_MOVING ||       \
-                                (s) == SND_SPACESHIP_MOVING || \
-                                (s) == SND_YAMYAM_MOVING ||    \
-                                (s) == SND_YAMYAM_WAITING ||   \
-                                (s) == SND_ROBOT_WHEEL_RUNNING ||      \
-                                (s) == SND_MAGIC_WALL_RUNNING ||       \
-                                (s) == SND_BALLOON_MOVING ||   \
-                                (s) == SND_MOLE_MOVING ||      \
-                                (s) == SND_TIMEGATE_WHEEL_RUNNING ||   \
-                                (s) == SND_CONVEYOR_BELT_RUNNING ||    \
-                                (s) == SND_DYNABOMB_BURNING || \
-                                (s) == SND_PACMAN_MOVING ||    \
-                                (s) == SND_PENGUIN_MOVING ||   \
-                                (s) == SND_PIG_MOVING ||       \
-                                (s) == SND_DRAGON_MOVING ||    \
-                                (s) == SND_DRAGON_BREATHING_FIRE)
-
 /* values for player movement speed (which is in fact a delay value) */
 #define MOVE_DELAY_NORMAL_SPEED        8
 #define MOVE_DELAY_HIGH_SPEED  4
@@ -128,6 +105,36 @@ static void HandleGameButtons(struct GadgetInfo *);
 
 static struct GadgetInfo *game_gadget[NUM_GAME_BUTTONS];
 
+static boolean is_loop_sound[NUM_SOUND_EFFECTS];
+static boolean is_loop_sound_initialized = FALSE;
+static int loop_sounds[] =
+{
+  SND_BD_MAGIC_WALL_RUNNING,
+  SND_BD_BUTTERFLY_MOVING,
+  SND_BD_FIREFLY_MOVING,
+  SND_SP_SNIKSNAK_MOVING,
+  SND_SP_ELECTRON_MOVING,
+  SND_DYNAMITE_BURNING,
+  SND_BUG_MOVING,
+  SND_SPACESHIP_MOVING,
+  SND_YAMYAM_MOVING,
+  SND_YAMYAM_WAITING,
+  SND_ROBOT_WHEEL_RUNNING,
+  SND_MAGIC_WALL_RUNNING,
+  SND_BALLOON_MOVING,
+  SND_MOLE_MOVING,
+  SND_TIMEGATE_WHEEL_RUNNING,
+  SND_CONVEYOR_BELT_RUNNING,
+  SND_DYNABOMB_BURNING,
+  SND_PACMAN_MOVING,
+  SND_PENGUIN_MOVING,
+  SND_PIG_MOVING,
+  SND_DRAGON_MOVING,
+  SND_DRAGON_BREATHING_FIRE
+};
+
+#define IS_LOOP_SOUND(x)       (is_loop_sound[x])
+
 
 
 #ifdef DEBUG
@@ -450,6 +457,14 @@ static void InitField(int x, int y, boolean init_game)
 
 void DrawGameDoorValues()
 {
+  int i, j;
+
+  for (i=0; i<MAX_PLAYERS; i++)
+    for (j=0; j<4; j++)
+      if (stored_player[i].key[j])
+       DrawMiniGraphicExt(drawto, DX_KEYS + j * MINI_TILEX, DY_KEYS,
+                          GFX_SCHLUESSEL1 + j);
+
   DrawText(DX + XX_EMERALDS, DY + YY_EMERALDS,
           int2str(local_player->gems_still_needed, 3), FS_SMALL, FC_YELLOW);
   DrawText(DX + XX_DYNAMITE, DY + YY_DYNAMITE,
@@ -713,6 +728,20 @@ void InitGame()
     }
   }
 
+  /* initialize sound effect properties */
+  if (!is_loop_sound_initialized)
+  {
+    int i;
+
+    for (i=0; i<NUM_SOUND_EFFECTS; i++)
+      is_loop_sound[i] = FALSE;
+
+    for (i=0; i<SIZEOF_ARRAY_INT(loop_sounds); i++)
+      is_loop_sound[loop_sounds[i]] = TRUE;
+
+    is_loop_sound_initialized = TRUE;
+  }
+
   game.version = (tape.playing ? tape.game_version : level.game_version);
   game.emulation = (emulate_bd ? EMU_BOULDERDASH :
                    emulate_sb ? EMU_SOKOBAN :
@@ -820,18 +849,7 @@ void InitGame()
               DX + XX_LEVEL - 1, DY + YY_LEVEL + 1);
   }
 
-#if 1
   DrawGameDoorValues();
-#else
-  DrawText(DX + XX_EMERALDS, DY + YY_EMERALDS,
-          int2str(local_player->gems_still_needed, 3), FS_SMALL, FC_YELLOW);
-  DrawText(DX + XX_DYNAMITE, DY + YY_DYNAMITE,
-          int2str(local_player->dynamite, 3), FS_SMALL, FC_YELLOW);
-  DrawText(DX + XX_SCORE, DY + YY_SCORE,
-          int2str(local_player->score, 5), FS_SMALL, FC_YELLOW);
-  DrawText(DX + XX_TIME, DY + YY_TIME,
-          int2str(TimeLeft, 3), FS_SMALL, FC_YELLOW);
-#endif
 
   UnmapGameButtons();
   UnmapTapeButtons();
@@ -847,6 +865,7 @@ void InitGame()
 
   OpenDoor(DOOR_OPEN_ALL);
 
+  PlaySoundStereo(SND_GAME_STARTING, SOUND_MAX_RIGHT);
   if (setup.sound_music)
     PlayMusic(level_nr);
 
@@ -999,16 +1018,18 @@ void GameWon()
 
   local_player->LevelSolved = FALSE;
 
+  PlaySoundStereo(SND_GAME_WINNING, SOUND_MAX_RIGHT);
+
   if (TimeLeft)
   {
     if (!tape.playing && setup.sound_loops)
-      PlaySoundExt(SND_GAME_LEVELTIME_BONUS, PSND_MAX_VOLUME, PSND_MAX_RIGHT,
-                  PSND_LOOP);
+      PlaySoundExt(SND_GAME_LEVELTIME_BONUS, SOUND_MAX_VOLUME, SOUND_MAX_RIGHT,
+                  SND_CTRL_PLAY_LOOP);
 
-    while(TimeLeft > 0)
+    while (TimeLeft > 0)
     {
       if (!tape.playing && !setup.sound_loops)
-       PlaySoundStereo(SND_GAME_LEVELTIME_BONUS, PSND_MAX_RIGHT);
+       PlaySoundStereo(SND_GAME_LEVELTIME_BONUS, SOUND_MAX_RIGHT);
       if (TimeLeft > 0 && !(TimeLeft % 10))
        RaiseScore(level.score[SC_ZEITBONUS]);
       if (TimeLeft > 100 && !(TimeLeft % 10))
@@ -1028,13 +1049,13 @@ void GameWon()
   else if (level.time == 0)            /* level without time limit */
   {
     if (!tape.playing && setup.sound_loops)
-      PlaySoundExt(SND_GAME_LEVELTIME_BONUS, PSND_MAX_VOLUME, PSND_MAX_RIGHT,
-                  PSND_LOOP);
+      PlaySoundExt(SND_GAME_LEVELTIME_BONUS, SOUND_MAX_VOLUME, SOUND_MAX_RIGHT,
+                  SND_CTRL_PLAY_LOOP);
 
-    while(TimePlayed < 999)
+    while (TimePlayed < 999)
     {
       if (!tape.playing && !setup.sound_loops)
-       PlaySoundStereo(SND_GAME_LEVELTIME_BONUS, PSND_MAX_RIGHT);
+       PlaySoundStereo(SND_GAME_LEVELTIME_BONUS, SOUND_MAX_RIGHT);
       if (TimePlayed < 999 && !(TimePlayed % 10))
        RaiseScore(level.score[SC_ZEITBONUS]);
       if (TimePlayed < 900 && !(TimePlayed % 10))
@@ -1329,7 +1350,12 @@ void CheckDynamite(int x, int y)
     if (MovDelay[x][y])
     {
       if (!(MovDelay[x][y] % 12))
-       PlaySoundLevel(x, y, SND_DYNAMITE_BURNING);
+      {
+       if (Feld[x][y] == EL_DYNAMITE_ACTIVE)
+         PlaySoundLevel(x, y, SND_DYNAMITE_BURNING);
+       else
+         PlaySoundLevel(x, y, SND_DYNABOMB_BURNING);
+      }
 
       if (IS_ACTIVE_BOMB(Feld[x][y]))
       {
@@ -1343,7 +1369,11 @@ void CheckDynamite(int x, int y)
     }
   }
 
-  StopSound(SND_DYNAMITE_BURNING);
+  if (Feld[x][y] == EL_DYNAMITE_ACTIVE)
+    StopSound(SND_DYNAMITE_BURNING);
+  else
+    StopSound(SND_DYNABOMB_BURNING);
+
   Bang(x, y);
 }
 
@@ -1935,20 +1965,23 @@ void Impact(int x, int y)
     if (CAN_CHANGE(element) && 
        (smashed == EL_MAGIC_WALL_OFF || smashed == EL_MAGIC_WALL_BD_OFF))
     {
-      int xy;
+      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 (y=0; y<lev_fieldy; y++)
-       for (x=0; x<lev_fieldx; x++)
-         if (Feld[x][y] == smashed)
-           Feld[x][y] = activated_magic_wall;
+      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))
@@ -2065,6 +2098,12 @@ void Impact(int x, int y)
       case EL_DIAMANT:
         sound = SND_DIAMOND_IMPACT;
        break;
+      case EL_PEARL:
+        sound = SND_PEARL_IMPACT;
+       break;
+      case EL_CRYSTAL:
+        sound = SND_CRYSTAL_IMPACT;
+       break;
       case EL_SP_INFOTRON:
         sound = SND_SP_INFOTRON_IMPACT;
        break;
@@ -2086,6 +2125,9 @@ void Impact(int x, int y)
       case EL_ZEIT_LEER:
        sound = SND_TIME_ORB_EMPTY_IMPACT;
        break;
+      case EL_SPRING:
+       sound = SND_SPRING_IMPACT;
+       break;
       default:
        sound = -1;
         break;
@@ -2558,6 +2600,7 @@ void StartMoving(int x, int y)
        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)
       {
@@ -2575,6 +2618,7 @@ void StartMoving(int x, int y)
        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) &&
@@ -2583,6 +2627,7 @@ void StartMoving(int x, int y)
       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)
     {
@@ -2746,11 +2791,11 @@ void StartMoving(int x, int y)
       {
        int phase = MovDelay[x][y] % 8;
 
-       if (phase>3)
-         phase = 7-phase;
+       if (phase > 3)
+         phase = 7 - phase;
 
        if (IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
-         DrawGraphic(SCREENX(x), SCREENY(y), el2gfx(element)+phase);
+         DrawGraphic(SCREENX(x), SCREENY(y), el2gfx(element) + phase);
 
        if (MovDelay[x][y] % 4 == 3)
        {
@@ -2817,6 +2862,30 @@ void StartMoving(int x, int y)
       PlaySoundLevel(x, y, SND_BD_BUTTERFLY_MOVING);
     else if (element == EL_FIREFLY)
       PlaySoundLevel(x, y, SND_BD_FIREFLY_MOVING);
+    else if (element == EL_SP_SNIKSNAK)
+      PlaySoundLevel(x, y, SND_SP_SNIKSNAK_MOVING);
+    else if (element == EL_SP_ELECTRON)
+      PlaySoundLevel(x, y, SND_SP_ELECTRON_MOVING);
+    else if (element == EL_MAMPFER)
+      PlaySoundLevel(x, y, SND_YAMYAM_MOVING);
+    else if (element == EL_MAMPFER2)
+      PlaySoundLevel(x, y, SND_DARK_YAMYAM_MOVING);
+    else if (element == EL_BALLOON)
+      PlaySoundLevel(x, y, SND_BALLOON_MOVING);
+    else if (element == EL_SPRING_MOVING)
+      PlaySoundLevel(x, y, SND_SPRING_MOVING);
+    else if (element == EL_MOLE)
+      PlaySoundLevel(x, y, SND_MOLE_MOVING);
+    else if (element == EL_SONDE)
+      PlaySoundLevel(x, y, SND_SATELLITE_MOVING);
+    else if (element == EL_PACMAN)
+      PlaySoundLevel(x, y, SND_PACMAN_MOVING);
+    else if (element == EL_PINGUIN)
+      PlaySoundLevel(x, y, SND_PENGUIN_MOVING);
+    else if (element == EL_SCHWEIN)
+      PlaySoundLevel(x, y, SND_PIG_MOVING);
+    else if (element == EL_DRACHE)
+      PlaySoundLevel(x, y, SND_DRAGON_MOVING);
 
     /* now make next step */
 
@@ -2890,6 +2959,8 @@ void StartMoving(int x, int y)
          Feld[newx][newy] = EL_LEERRAUM;
          DrawLevelField(newx, newy);
        }
+
+       PlaySoundLevel(x, y, SND_PIG_EATING_GEM);
       }
       else if (!IS_FREE(newx, newy))
       {
@@ -2930,6 +3001,8 @@ void StartMoving(int x, int y)
          else
            DrawLevelField(x, y);
 
+         PlaySoundLevel(x, y, SND_DRAGON_BREATHING_FIRE);
+
          MovDelay[x][y] = 50;
          Feld[newx][newy] = EL_BURNING;
          if (IN_LEV_FIELD(newx1, newy1) && Feld[newx1][newy1] == EL_LEERRAUM)
@@ -2950,6 +3023,8 @@ void StartMoving(int x, int y)
        Feld[newx][newy] = EL_LEERRAUM;
        DrawLevelField(newx, newy);
       }
+
+      PlaySoundLevel(x, y, SND_YAMYAM_EATING_DIAMOND);
     }
     else if (element == EL_MAMPFER2 && IN_LEV_FIELD(newx, newy) &&
             IS_MAMPF2(Feld[newx][newy]))
@@ -2969,6 +3044,8 @@ void StartMoving(int x, int y)
        Feld[newx][newy] = EL_LEERRAUM;
        DrawLevelField(newx, newy);
       }
+
+      PlaySoundLevel(x, y, SND_DARK_YAMYAM_EATING_ANY);
     }
     else if ((element == EL_PACMAN || element == EL_MOLE)
             && IN_LEV_FIELD(newx, newy) && IS_AMOEBOID(Feld[newx][newy]))
@@ -2984,6 +3061,7 @@ void StartMoving(int x, int y)
       if (element == EL_MOLE)
       {
        Feld[newx][newy] = EL_DEAMOEBING;
+       PlaySoundLevel(x, y, SND_MOLE_EATING_AMOEBA);
        MovDelay[newx][newy] = 0;       /* start amoeba shrinking delay */
        return;                         /* wait for shrinking amoeba */
       }
@@ -2991,6 +3069,7 @@ void StartMoving(int x, int y)
       {
        Feld[newx][newy] = EL_LEERRAUM;
        DrawLevelField(newx, newy);
+       PlaySoundLevel(x, y, SND_PACMAN_EATING_AMOEBA);
       }
     }
     else if (element == EL_MOLE && IN_LEV_FIELD(newx, newy) &&
@@ -3280,6 +3359,9 @@ void AmoebeUmwandeln(int ax, int ay)
        }
       }
     }
+    PlaySoundLevel(ax, ay, (IS_GEM(level.amoeba_content) ?
+                           SND_AMOEBA_TURNING_TO_GEM :
+                           SND_AMOEBA_TURNING_TO_ROCK));
     Bang(ax, ay);
   }
   else
@@ -3301,7 +3383,12 @@ void AmoebeUmwandeln(int ax, int ay)
        continue;
 
       if (Feld[x][y] == EL_AMOEBA2DIAM)
+      {
+       PlaySoundLevel(x, y, (IS_GEM(level.amoeba_content) ?
+                             SND_AMOEBA_TURNING_TO_GEM :
+                             SND_AMOEBA_TURNING_TO_ROCK));
        Bang(x, y);
+      }
     }
   }
 }
@@ -3379,7 +3466,7 @@ void AmoebeWaechst(int x, int y)
   }
 }
 
-void AmoebaEatenByMole(int x, int y)
+void AmoebaDisappearing(int x, int y)
 {
   static unsigned long sound_delay = 0;
   static unsigned long sound_delay_value = 0;
@@ -3389,10 +3476,7 @@ void AmoebaEatenByMole(int x, int y)
     MovDelay[x][y] = 7;
 
     if (DelayReached(&sound_delay, sound_delay_value))
-    {
-      PlaySoundLevel(x, y, SND_MOLE_EATING_AMOEBA);
       sound_delay_value = 30;
-    }
   }
 
   if (MovDelay[x][y])          /* wait some time before shrinking */
@@ -3542,7 +3626,10 @@ void AmoebeAbleger(int ax, int ay)
     Store[newax][neway] = element;
   }
   else if (neway == ay)
+  {
     Feld[newax][neway] = EL_TROPFEN;   /* drop left or right from amoeba */
+    PlaySoundLevel(newax, neway, SND_AMOEBA_DROPPING);
+  }
   else
   {
     InitMovingField(ax, ay, MV_DOWN);  /* drop dripping out of amoeba */
@@ -3561,6 +3648,7 @@ void Life(int ax, int ay)
   static int life[4] = { 2, 3, 3, 3 }; /* parameters for "game of life" */
   int life_time = 40;
   int element = Feld[ax][ay];
+  boolean changed = FALSE;
 
   if (Stop[ax][ay])
     return;
@@ -3599,26 +3687,32 @@ void Life(int ax, int ay)
 
     if (xx == ax && yy == ay)          /* field in the middle */
     {
-      if (nachbarn<life[0] || nachbarn>life[1])
+      if (nachbarn < life[0] || nachbarn > life[1])
       {
        Feld[xx][yy] = EL_LEERRAUM;
        if (!Stop[xx][yy])
          DrawLevelField(xx, yy);
        Stop[xx][yy] = TRUE;
+       changed = TRUE;
       }
     }
     else if (IS_FREE(xx, yy) || Feld[xx][yy] == EL_ERDREICH)
     {                                  /* free border field */
-      if (nachbarn>=life[2] && nachbarn<=life[3])
+      if (nachbarn >= life[2] && nachbarn <= life[3])
       {
        Feld[xx][yy] = element;
        MovDelay[xx][yy] = (element == EL_LIFE ? 0 : life_time-1);
        if (!Stop[xx][yy])
          DrawLevelField(xx, yy);
        Stop[xx][yy] = TRUE;
+       changed = TRUE;
       }
     }
   }
+
+  if (changed)
+    PlaySoundLevel(ax, ay, element == EL_LIFE ? SND_GAMEOFLIFE_GROWING :
+                  SND_BIOMAZE_GROWING);
 }
 
 void RobotWheel(int x, int y)
@@ -4018,6 +4112,7 @@ void MauerAbleger(int ax, int ay)
   boolean links_frei = FALSE, rechts_frei = FALSE;
   boolean oben_massiv = FALSE, unten_massiv = FALSE;
   boolean links_massiv = FALSE, rechts_massiv = FALSE;
+  boolean new_wall = FALSE;
 
   if (!MovDelay[ax][ay])       /* start building new wall */
     MovDelay[ax][ay] = 6;
@@ -4047,6 +4142,7 @@ void MauerAbleger(int ax, int ay)
       MovDir[ax][ay-1] = MV_UP;
       if (IN_SCR_FIELD(SCREENX(ax), SCREENY(ay-1)))
        DrawGraphic(SCREENX(ax), SCREENY(ay-1), GFX_MAUER_UP);
+      new_wall = TRUE;
     }
     if (unten_frei)
     {
@@ -4055,6 +4151,7 @@ void MauerAbleger(int ax, int ay)
       MovDir[ax][ay+1] = MV_DOWN;
       if (IN_SCR_FIELD(SCREENX(ax), SCREENY(ay+1)))
        DrawGraphic(SCREENX(ax), SCREENY(ay+1), GFX_MAUER_DOWN);
+      new_wall = TRUE;
     }
   }
 
@@ -4068,6 +4165,7 @@ void MauerAbleger(int ax, int ay)
       MovDir[ax-1][ay] = MV_LEFT;
       if (IN_SCR_FIELD(SCREENX(ax-1), SCREENY(ay)))
        DrawGraphic(SCREENX(ax-1), SCREENY(ay), GFX_MAUER_LEFT);
+      new_wall = TRUE;
     }
     if (rechts_frei)
     {
@@ -4076,6 +4174,7 @@ void MauerAbleger(int ax, int ay)
       MovDir[ax+1][ay] = MV_RIGHT;
       if (IN_SCR_FIELD(SCREENX(ax+1), SCREENY(ay)))
        DrawGraphic(SCREENX(ax+1), SCREENY(ay), GFX_MAUER_RIGHT);
+      new_wall = TRUE;
     }
   }
 
@@ -4096,6 +4195,9 @@ void MauerAbleger(int ax, int ay)
       ((links_massiv && rechts_massiv) ||
        element == EL_MAUER_Y))
     Feld[ax][ay] = EL_MAUERWERK;
+
+  if (new_wall)
+    PlaySoundLevel(ax, ay, SND_WALL_GROWING);
 }
 
 void CheckForDragon(int x, int y)
@@ -4225,6 +4327,7 @@ static void CheckTrap(int x, int y)
        return;
 
       Feld[x][y] = EL_TRAP_ACTIVE;
+      PlaySoundLevel(x, y, SND_TRAP_ACTIVATING);
     }
   }
   else if (element == EL_TRAP_ACTIVE)
@@ -4276,6 +4379,9 @@ static void DrawBeltAnimation(int x, int y, int element)
     int graphic = el2gfx(element) + (belt_dir == MV_LEFT ? 0 : 7);
 
     DrawGraphicAnimation(x, y, graphic, 8, delay, mode);
+
+    if (!(FrameCounter % 2))
+      PlaySoundLevel(x, y, SND_CONVEYOR_BELT_RUNNING);
   }
 }
 
@@ -4581,7 +4687,7 @@ void GameActions()
     else if (element == EL_AMOEBING)
       AmoebeWaechst(x, y);
     else if (element == EL_DEAMOEBING)
-      AmoebaEatenByMole(x, y);
+      AmoebaDisappearing(x, y);
 
 #if !USE_NEW_AMOEBA_CODE
     else if (IS_AMOEBALIVE(element))
@@ -4638,9 +4744,17 @@ void GameActions()
     else if (element == EL_EXTRA_TIME)
       DrawGraphicAnimation(x, y, GFX_EXTRA_TIME, 6, 4, ANIM_NORMAL);
     else if (element == EL_SHIELD_PASSIVE)
+    {
       DrawGraphicAnimation(x, y, GFX_SHIELD_PASSIVE, 6, 4, ANIM_NORMAL);
+      if (!(FrameCounter % 4))
+       PlaySoundLevel(x, y, SND_SHIELD_PASSIVE_ACTIVATED);
+    }
     else if (element == EL_SHIELD_ACTIVE)
+    {
       DrawGraphicAnimation(x, y, GFX_SHIELD_ACTIVE, 6, 4, ANIM_NORMAL);
+      if (!(FrameCounter % 4))
+       PlaySoundLevel(x, y, SND_SHIELD_ACTIVE_ACTIVATED);
+    }
 
     if (game.magic_wall_active)
     {
@@ -4827,7 +4941,7 @@ void GameActions()
       TimeLeft--;
 
       if (TimeLeft <= 10 && setup.time_limit)
-       PlaySoundStereo(SND_GAME_RUNNING_OUT_OF_TIME, PSND_MAX_RIGHT);
+       PlaySoundStereo(SND_GAME_RUNNING_OUT_OF_TIME, SOUND_MAX_RIGHT);
 
       DrawText(DX_TIME, DY_TIME, int2str(TimeLeft, 3), FS_SMALL, FC_YELLOW);
 
@@ -4835,7 +4949,7 @@ void GameActions()
        for (i=0; i<MAX_PLAYERS; i++)
          KillHero(&stored_player[i]);
     }
-    else if (level.time == 0)          /* level without time limit */
+    else if (level.time == 0 && !AllPlayersGone) /* level without time limit */
       DrawText(DX_TIME, DY_TIME, int2str(TimePlayed, 3), FS_SMALL, FC_YELLOW);
   }
 
@@ -5625,7 +5739,8 @@ int DigField(struct PlayerInfo *player,
     case EL_TRAP_INACTIVE:
     case EL_SP_BASE:
     case EL_SP_BUG:
-      Feld[x][y] = EL_LEERRAUM;
+      RemoveField(x, y);
+
       if (element == EL_LEERRAUM)
        PlaySoundLevel(x, y, SND_EMPTY_SPACE_DIGGING);
       else if (element == EL_ERDREICH)
@@ -5692,7 +5807,7 @@ int DigField(struct PlayerInfo *player,
        TimeLeft += 10;
        DrawText(DX_TIME, DY_TIME, int2str(TimeLeft, 3), FS_SMALL, FC_YELLOW);
       }
-      PlaySoundStereo(SND_EXTRA_TIME_COLLECTING, PSND_MAX_RIGHT);
+      PlaySoundStereo(SND_EXTRA_TIME_COLLECTING, SOUND_MAX_RIGHT);
       break;
 
     case EL_SHIELD_PASSIVE:
@@ -5785,6 +5900,7 @@ int DigField(struct PlayerInfo *player,
       ZX = x;
       ZY = y;
       DrawLevelField(x, y);
+      PlaySoundLevel(x, y, SND_ROBOT_WHEEL_ACTIVATING);
       return MF_ACTION;
       break;
 
@@ -5792,6 +5908,8 @@ int DigField(struct PlayerInfo *player,
       {
        int xx, yy;
 
+       PlaySoundLevel(x, y, SND_SP_TERMINAL_ACTIVATING);
+
        for (yy=0; yy<lev_fieldy; yy++)
        {
          for (xx=0; xx<lev_fieldx; xx++)
@@ -5823,6 +5941,7 @@ int DigField(struct PlayerInfo *player,
       {
        player->Switching = TRUE;
        ToggleBeltSwitch(x, y);
+       PlaySoundLevel(x, y, SND_CONVEYOR_BELT_SWITCH_ACTIVATING);
       }
       return MF_ACTION;
       break;
@@ -5833,6 +5952,7 @@ int DigField(struct PlayerInfo *player,
       {
        player->Switching = TRUE;
        ToggleSwitchgateSwitch(x, y);
+       PlaySoundLevel(x, y, SND_SWITCHGATE_SWITCH_ACTIVATING);
       }
       return MF_ACTION;
       break;
@@ -5843,12 +5963,16 @@ int DigField(struct PlayerInfo *player,
       {
        player->Switching = TRUE;
        ToggleLightSwitch(x, y);
+       PlaySoundLevel(x, y, element == EL_LIGHT_SWITCH_OFF ?
+                      SND_LIGHT_SWITCH_ACTIVATING :
+                      SND_LIGHT_SWITCH_DEACTIVATING);
       }
       return MF_ACTION;
       break;
 
     case EL_TIMEGATE_SWITCH_OFF:
       ActivateTimegateSwitch(x, y);
+      PlaySoundLevel(x, y, SND_TIMEGATE_WHEEL_ACTIVATING);
 
       return MF_ACTION;
       break;
@@ -5875,7 +5999,7 @@ int DigField(struct PlayerInfo *player,
        return MF_NO_ACTION;
 
       player->LevelSolved = player->GameOver = TRUE;
-      PlaySoundStereo(SND_SP_EXIT_ENTERING, PSND_MAX_RIGHT);
+      PlaySoundStereo(SND_SP_EXIT_ENTERING, SOUND_MAX_RIGHT);
       break;
 
     case EL_FELSBROCKEN:
@@ -6122,7 +6246,7 @@ int DigField(struct PlayerInfo *player,
       TimeLeft += 10;
       DrawText(DX_TIME, DY_TIME, int2str(TimeLeft, 3), FS_SMALL, FC_YELLOW);
       DrawLevelField(x, y);
-      PlaySoundStereo(SND_TIME_ORB_FULL_COLLECTING, PSND_MAX_RIGHT);
+      PlaySoundStereo(SND_TIME_ORB_FULL_COLLECTING, SOUND_MAX_RIGHT);
       return MF_ACTION;
       break;
 
@@ -6304,6 +6428,8 @@ boolean PlaceBomb(struct PlayerInfo *player)
       else
        DrawGraphicThruMask(SCREENX(jx), SCREENY(jy), GFX_DYNAMIT);
     }
+
+    PlaySoundLevel(jx, jy, SND_DYNAMITE_PLACING);
   }
   else
   {
@@ -6312,47 +6438,44 @@ boolean PlaceBomb(struct PlayerInfo *player)
     player->dynabombs_left--;
     if (IN_SCR_FIELD(SCREENX(jx), SCREENY(jy)))
       DrawGraphicThruMask(SCREENX(jx), SCREENY(jy), GFX_DYNABOMB);
+
+    PlaySoundLevel(jx, jy, SND_DYNABOMB_PLACING);
   }
 
   return TRUE;
 }
 
-void PlaySoundLevel(int x, int y, int sound_nr)
+void PlaySoundLevel(int x, int y, int nr)
 {
   int sx = SCREENX(x), sy = SCREENY(y);
-  int volume, stereo;
-  int silence_distance = 8;
+  int volume, stereo_position;
+  int max_distance = 8;
+  int type = (IS_LOOP_SOUND(nr) ? SND_CTRL_PLAY_LOOP : SND_CTRL_PLAY_SOUND);
 
-  if ((!setup.sound_simple && !IS_LOOP_SOUND(sound_nr)) ||
-      (!setup.sound_loops && IS_LOOP_SOUND(sound_nr)))
+  if ((!setup.sound_simple && !IS_LOOP_SOUND(nr)) ||
+      (!setup.sound_loops && IS_LOOP_SOUND(nr)))
     return;
 
   if (!IN_LEV_FIELD(x, y) ||
-      sx < -silence_distance || sx >= SCR_FIELDX+silence_distance ||
-      sy < -silence_distance || sy >= SCR_FIELDY+silence_distance)
+      sx < -max_distance || sx >= SCR_FIELDX + max_distance ||
+      sy < -max_distance || sy >= SCR_FIELDY + max_distance)
     return;
 
-  volume = PSND_MAX_VOLUME;
-
-#if !defined(PLATFORM_MSDOS)
-  stereo = (sx - SCR_FIELDX/2) * 12;
-#else
-  stereo = PSND_MIDDLE + (2 * sx - (SCR_FIELDX - 1)) * 5;
-  if (stereo > PSND_MAX_RIGHT)
-    stereo = PSND_MAX_RIGHT;
-  if (stereo < PSND_MAX_LEFT)
-    stereo = PSND_MAX_LEFT;
-#endif
+  volume = SOUND_MAX_VOLUME;
 
   if (!IN_SCR_FIELD(sx, sy))
   {
-    int dx = ABS(sx - SCR_FIELDX/2) - SCR_FIELDX/2;
-    int dy = ABS(sy - SCR_FIELDY/2) - SCR_FIELDY/2;
+    int dx = ABS(sx - SCR_FIELDX / 2) - SCR_FIELDX / 2;
+    int dy = ABS(sy - SCR_FIELDY / 2) - SCR_FIELDY / 2;
 
-    volume -= volume * (dx > dy ? dx : dy) / silence_distance;
+    volume -= volume * (dx > dy ? dx : dy) / max_distance;
   }
 
-  PlaySoundExt(sound_nr, volume, stereo, PSND_NO_LOOP);
+  stereo_position = (SOUND_MAX_LEFT +
+                    (sx + max_distance) * SOUND_MAX_LEFT2RIGHT /
+                    (SCR_FIELDX + 2 * max_distance));
+
+  PlaySoundExt(nr, volume, stereo_position, type);
 }
 
 void RaiseScore(int value)