X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Fgame.c;h=901a7fcf427d8f7d75c4d9adba0b226a486cc553;hb=38c26472a6e9f0f037ddfe535d3919c00772b26f;hp=beabbab2c66cc25bfe2240049930da7695b19b66;hpb=1290799ac0be42dc5db602dd113c5185df0a7e03;p=rocksndiamonds.git

diff --git a/src/game.c b/src/game.c
index beabbab2..901a7fcf 100644
--- a/src/game.c
+++ b/src/game.c
@@ -100,19 +100,28 @@
 #define NUM_GAME_BUTTONS		6
 
 /* forward declaration for internal use */
+static void InitBeltMovement(void);
 static void CloseAllOpenTimegates(void);
 static void CheckGravityMovement(struct PlayerInfo *);
 static void KillHeroUnlessProtected(int, int);
 
-void PlaySoundLevel(int, int, int);
-void PlaySoundLevelAction(int, int, int);
-void PlaySoundLevelElementAction(int, int, int, int);
+static void PlaySoundLevel(int, int, int);
+static void PlaySoundLevelNearest(int, int, int);
+static void PlaySoundLevelAction(int, int, int);
+static void PlaySoundLevelElementAction(int, int, int, int);
 
 static void MapGameButtons();
 static void HandleGameButtons(struct GadgetInfo *);
 
 static struct GadgetInfo *game_gadget[NUM_GAME_BUTTONS];
 
+#define IS_ANIMATED(g)	(new_graphic_info[g].anim_frames > 1)
+
+
+/* ------------------------------------------------------------------------- */
+/* sound definitions                                                         */
+/* ------------------------------------------------------------------------- */
+
 #define SND_ACTION_UNKNOWN		0
 #define SND_ACTION_WAITING		1
 #define SND_ACTION_MOVING		2
@@ -156,6 +165,75 @@ static boolean is_loop_sound[NUM_SOUND_FILES];
 #define IS_LOOP_SOUND(x)	(is_loop_sound[x])
 
 
+/* -------------------------------------------------------------------------
+   definition of elements that automatically change to other elements after
+   a specified time, eventually calling a function when changing
+   ------------------------------------------------------------------------- */
+
+/* forward declaration for changer functions */
+static void InitBuggyBase(int x, int y);
+static void WarnBuggyBase(int x, int y);
+
+static void InitTrap(int x, int y);
+static void ActivateTrap(int x, int y);
+static void ChangeActiveTrap(int x, int y);
+
+static void InitRobotWheel(int x, int y);
+static void RunRobotWheel(int x, int y);
+static void StopRobotWheel(int x, int y);
+
+static void InitTimegateWheel(int x, int y);
+static void RunTimegateWheel(int x, int y);
+
+struct ChangingElementInfo
+{
+  int base_element;
+  int next_element;
+  int change_delay;
+  void (*pre_change_function)(int x, int y);
+  void (*change_function)(int x, int y);
+  void (*post_change_function)(int x, int y);
+};
+
+static struct ChangingElementInfo changing_element_list[] =
+{
+  { EL_NUT_CRACKING,		EL_EMERALD,		 6, NULL, NULL, NULL },
+  { EL_PEARL_BREAKING,		EL_EMPTY,		 8, NULL, NULL, NULL },
+  { EL_EXIT_OPENING,		EL_EXIT_OPEN,		29, NULL, NULL, NULL },
+
+  { EL_SWITCHGATE_OPENING,	EL_SWITCHGATE_OPEN,	29, NULL, NULL, NULL },
+  { EL_SWITCHGATE_CLOSING,	EL_SWITCHGATE_CLOSED,	29, NULL, NULL, NULL },
+
+  { EL_TIMEGATE_OPENING,	EL_TIMEGATE_OPEN,	29, NULL, NULL, NULL },
+  { EL_TIMEGATE_CLOSING,	EL_TIMEGATE_CLOSED,	29, NULL, NULL, NULL },
+
+  { EL_SP_BUGGY_BASE,		EL_SP_BUGGY_BASE_ACTIVATING, 0,
+    InitBuggyBase, NULL, NULL },
+  { EL_SP_BUGGY_BASE_ACTIVATING,EL_SP_BUGGY_BASE_ACTIVE, 0,
+    InitBuggyBase, NULL, NULL },
+  { EL_SP_BUGGY_BASE_ACTIVE,	EL_SP_BUGGY_BASE,	 0,
+    InitBuggyBase, WarnBuggyBase, NULL },
+
+  { EL_TRAP,			EL_TRAP_ACTIVE,		 0,
+    InitTrap, NULL, ActivateTrap },
+  { EL_TRAP_ACTIVE,		EL_TRAP,		31,
+    NULL, ChangeActiveTrap, NULL },
+
+  { EL_ROBOT_WHEEL_ACTIVE,	EL_ROBOT_WHEEL,		 0,
+    InitRobotWheel, RunRobotWheel, StopRobotWheel },
+
+  { EL_TIMEGATE_SWITCH_ACTIVE,	EL_TIMEGATE_SWITCH,	 0,
+    InitTimegateWheel, RunTimegateWheel, NULL },
+
+  { EL_UNDEFINED,		EL_UNDEFINED,	        -1, NULL	}
+};
+
+static struct ChangingElementInfo changing_element[MAX_NUM_ELEMENTS];
+
+#define IS_AUTO_CHANGING(e)  (changing_element[e].base_element != EL_UNDEFINED)
+
+
+
 #ifdef DEBUG
 #if 0
 static unsigned int getStateCheckSum(int counter)
@@ -191,7 +269,7 @@ static unsigned int getStateCheckSum(int counter)
     checksum += mult++ * Store[x][y];
     checksum += mult++ * Store2[x][y];
     checksum += mult++ * StorePlayer[x][y];
-    checksum += mult++ * Frame[x][y];
+    checksum += mult++ * ExplodePhase[x][y];
     checksum += mult++ * AmoebaNr[x][y];
     checksum += mult++ * JustStopped[x][y];
     checksum += mult++ * Stop[x][y];
@@ -292,11 +370,9 @@ static void InitField(int x, int y, boolean init_game)
 	  Feld[x][y] = EL_SP_MURPHY_CLONE;
 	  break;
 	}
-      }
-      /* no break! */
-    case EL_PLAYER:
-      if (init_game)
+
 	Feld[x][y] = EL_PLAYER1;
+      }
       /* no break! */
     case EL_PLAYER1:
     case EL_PLAYER2:
@@ -489,7 +565,7 @@ void DrawGameDoorValues()
     for (j=0; j<4; j++)
       if (stored_player[i].key[j])
 	DrawMiniGraphicExt(drawto, DX_KEYS + j * MINI_TILEX, DY_KEYS,
-			   GFX_SCHLUESSEL1 + j);
+			   IMG_KEY1 + j);
 
   DrawText(DX + XX_EMERALDS, DY + YY_EMERALDS,
 	   int2str(local_player->gems_still_needed, 3), FS_SMALL, FC_YELLOW);
@@ -519,6 +595,7 @@ void InitGameSound()
   debug_print_timestamp(0, NULL);
 #endif
 
+  /* initialize sound effect for all elements to "no sound" */
   for (i=0; i<MAX_NUM_ELEMENTS; i++)
     for (j=0; j<NUM_SND_ACTIONS; j++)
       element_action_sound[i][j] = -1;
@@ -640,18 +717,45 @@ static void InitGameEngine()
     for (i=0; i<ep_em_slippery_wall_num; i++)
     {
       if (level.em_slippery_gems)	/* special EM style gems behaviour */
-	Elementeigenschaften2[ep_em_slippery_wall[i]] |=
+	Properties2[ep_em_slippery_wall[i]] |=
 	  EP_BIT_EM_SLIPPERY_WALL;
       else
-	Elementeigenschaften2[ep_em_slippery_wall[i]] &=
+	Properties2[ep_em_slippery_wall[i]] &=
 	  ~EP_BIT_EM_SLIPPERY_WALL;
     }
 
     /* "EL_WALL_GROWING_ACTIVE" wasn't slippery for EM gems in version 2.0.1 */
     if (level.em_slippery_gems && game.engine_version > VERSION_IDENT(2,0,1))
-      Elementeigenschaften2[EL_WALL_GROWING_ACTIVE] |= EP_BIT_EM_SLIPPERY_WALL;
+      Properties2[EL_WALL_GROWING_ACTIVE] |= EP_BIT_EM_SLIPPERY_WALL;
     else
-      Elementeigenschaften2[EL_WALL_GROWING_ACTIVE] &=~EP_BIT_EM_SLIPPERY_WALL;
+      Properties2[EL_WALL_GROWING_ACTIVE] &=~EP_BIT_EM_SLIPPERY_WALL;
+  }
+
+  /* initialize changing elements information */
+  for (i=0; i<MAX_NUM_ELEMENTS; i++)
+  {
+    changing_element[i].base_element = EL_UNDEFINED;
+    changing_element[i].next_element = EL_UNDEFINED;
+    changing_element[i].change_delay = -1;
+    changing_element[i].pre_change_function = NULL;
+    changing_element[i].change_function = NULL;
+    changing_element[i].post_change_function = NULL;
+  }
+
+  i = 0;
+  while (changing_element_list[i].base_element != EL_UNDEFINED)
+  {
+    struct ChangingElementInfo *ce = &changing_element_list[i];
+    int element = ce->base_element;
+
+    changing_element[element].base_element         = ce->base_element;
+    changing_element[element].next_element         = ce->next_element;
+    changing_element[element].change_delay         = ce->change_delay;
+    changing_element[element].pre_change_function  = ce->pre_change_function;
+    changing_element[element].change_function      = ce->change_function;
+    changing_element[element].post_change_function = ce->post_change_function;
+
+    i++;
   }
 }
 
@@ -673,12 +777,14 @@ void InitGame()
 
   InitGameEngine();
 
+#if 0
 #if DEBUG
 #if USE_NEW_AMOEBA_CODE
   printf("Using new amoeba code.\n");
 #else
   printf("Using old amoeba code.\n");
 #endif
+#endif
 #endif
 
   /* don't play tapes over network */
@@ -738,8 +844,8 @@ void InitGame()
     player->last_jx = player->last_jy = 0;
     player->jx = player->jy = 0;
 
-    player->shield_passive_time_left = 0;
-    player->shield_active_time_left = 0;
+    player->shield_normal_time_left = 0;
+    player->shield_deadly_time_left = 0;
 
     DigField(player, 0, 0, 0, 0, DF_NO_PUSH);
     SnapField(player, 0, 0);
@@ -796,11 +902,14 @@ void InitGame()
       Feld[x][y] = Ur[x][y];
       MovPos[x][y] = MovDir[x][y] = MovDelay[x][y] = 0;
       Store[x][y] = Store2[x][y] = StorePlayer[x][y] = 0;
-      Frame[x][y] = 0;
       AmoebaNr[x][y] = 0;
       JustStopped[x][y] = 0;
       Stop[x][y] = FALSE;
+      ExplodePhase[x][y] = 0;
       ExplodeField[x][y] = EX_NO_EXPLOSION;
+
+      GfxFrame[x][y] = 0;
+      GfxAction[x][y] = GFX_ACTION_DEFAULT;
     }
   }
 
@@ -819,6 +928,8 @@ void InitGame()
     }
   }
 
+  InitBeltMovement();
+
   game.emulation = (emulate_bd ? EMU_BOULDERDASH :
 		    emulate_sb ? EMU_SOKOBAN :
 		    emulate_sp ? EMU_SUPAPLEX : EMU_NONE);
@@ -958,7 +1069,6 @@ void InitGame()
 
   DrawLevel();
   DrawAllPlayers();
-  FadeToFront();
 
   /* after drawing the level, correct some elements */
   if (game.timegate_time_left == 0)
@@ -968,9 +1078,10 @@ void InitGame()
     BlitBitmap(fieldbuffer, backbuffer, FX, FY, SXSIZE, SYSIZE, SX, SY);
 
   redraw_mask |= REDRAW_FROM_BACKBUFFER;
+  FadeToFront();
 
   /* copy default game door content to main double buffer */
-  BlitBitmap(pix[PIX_DOOR], drawto,
+  BlitBitmap(new_graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
 	     DOOR_GFX_PAGEX5, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
 
   if (level_nr < 100)
@@ -979,7 +1090,7 @@ void InitGame()
   else
   {
     DrawTextExt(drawto, DX + XX_EMERALDS, DY + YY_EMERALDS,
-		int2str(level_nr, 3), FS_SMALL, FC_SPECIAL3);
+		int2str(level_nr, 3), FS_SMALL, FC_SPECIAL3, FONT_OPAQUE);
     BlitBitmap(drawto, drawto,
 	       DX + XX_EMERALDS, DY + YY_EMERALDS + 1,
 	       FONT5_XSIZE * 3, FONT5_YSIZE - 1,
@@ -997,7 +1108,7 @@ void InitGame()
   MapTapeButtons();
 
   /* copy actual game door content to door double buffer for OpenDoor() */
-  BlitBitmap(drawto, pix[PIX_DB_DOOR],
+  BlitBitmap(drawto, bitmap_db_door,
 	     DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
 
   OpenDoor(DOOR_OPEN_ALL);
@@ -1153,6 +1264,9 @@ void GameWon()
   if (local_player->MovPos)
     return;
 
+  if (tape.playing && tape.auto_play)
+    tape.auto_play_level_solved = TRUE;
+
   local_player->LevelSolved = FALSE;
 
   PlaySoundStereo(SND_GAME_WINNING, SOUND_MAX_RIGHT);
@@ -1326,13 +1440,23 @@ int NewHiScore()
 
 void InitMovingField(int x, int y, int direction)
 {
+  int element = Feld[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);
 
+  if (!JustStopped[x][y] || direction != MovDir[x][y])
+    GfxFrame[x][y] = 0;
+
   MovDir[x][y] = direction;
   MovDir[newx][newy] = direction;
+
   if (Feld[newx][newy] == EL_EMPTY)
     Feld[newx][newy] = EL_BLOCKED;
+
+  if (direction == MV_DOWN && CAN_FALL(element))
+    GfxAction[x][y] = GFX_ACTION_FALLING;
+  else
+    GfxAction[x][y] = GFX_ACTION_MOVING;
 }
 
 void Moving2Blocked(int x, int y, int *goes_to_x, int *goes_to_y)
@@ -1443,6 +1567,7 @@ void RemoveMovingField(int x, int y)
   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;
+  GfxAction[oldx][oldy] = GfxAction[newx][newy] = GFX_ACTION_DEFAULT;
 
   DrawLevelField(oldx, oldy);
   DrawLevelField(newx, newy);
@@ -1451,51 +1576,39 @@ void RemoveMovingField(int x, int y)
 void DrawDynamite(int x, int y)
 {
   int sx = SCREENX(x), sy = SCREENY(y);
-  int graphic = el2gfx(Feld[x][y]);
-  int phase;
+  int graphic = el2img(Feld[x][y]);
+  int frame;
 
   if (!IN_SCR_FIELD(sx, sy) || IS_PLAYER(x, y))
     return;
 
   if (Store[x][y])
-    DrawGraphic(sx, sy, el2gfx(Store[x][y]));
+    DrawGraphic(sx, sy, el2img(Store[x][y]), 0);
 
-  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;
-  }
+  frame = getGraphicAnimationFrame(graphic, GfxFrame[x][y]);
 
   if (game.emulation == EMU_SUPAPLEX)
-    DrawGraphic(sx, sy, GFX_SP_DISK_RED);
+    DrawGraphic(sx, sy, IMG_SP_DISK_RED, frame);
   else if (Store[x][y])
-    DrawGraphicThruMask(sx, sy, graphic + phase);
+    DrawGraphicThruMask(sx, sy, graphic, frame);
   else
-    DrawGraphic(sx, sy, graphic + phase);
+    DrawGraphic(sx, sy, graphic, frame);
 }
 
 void CheckDynamite(int x, int y)
 {
-  if (MovDelay[x][y])		/* dynamite is still waiting to explode */
+  int element = Feld[x][y];
+
+  if (MovDelay[x][y] != 0)	/* 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] != 0)
+    {
+      if (checkDrawLevelGraphicAnimation(x, y, el2img(element)))
+	DrawDynamite(x, y);
 
-	if (!(MovDelay[x][y] % delay))
-	  DrawDynamite(x, y);
-      }
+      PlaySoundLevelAction(x, y, SND_ACTION_ACTIVE);
 
       return;
     }
@@ -1512,7 +1625,8 @@ void CheckDynamite(int x, int 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 num_phase = 9;
+  int 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;
@@ -1552,7 +1666,7 @@ void Explode(int ex, int ey, int phase, int mode)
 	RemoveMovingField(x, y);
       }
 
-      if (IS_MASSIVE(element) || element == EL_DRAGON_FIRE)
+      if (IS_MASSIVE(element) || element == EL_FLAMES)
 	continue;
 
       if (IS_PLAYER(x, y) && SHIELD_ON(PLAYERINFO(x, y)))
@@ -1641,7 +1755,7 @@ void Explode(int ex, int ey, int phase, int mode)
       Feld[x][y] = EL_EXPLOSION;
       MovDir[x][y] = MovPos[x][y] = 0;
       AmoebaNr[x][y] = 0;
-      Frame[x][y] = 1;
+      ExplodePhase[x][y] = 1;
       Stop[x][y] = TRUE;
     }
 
@@ -1657,7 +1771,7 @@ void Explode(int ex, int ey, int phase, int mode)
   x = ex;
   y = ey;
 
-  Frame[x][y] = (phase < last_phase ? phase + 1 : 0);
+  ExplodePhase[x][y] = (phase < last_phase ? phase + 1 : 0);
 
   if (phase == first_phase_after_start)
   {
@@ -1701,27 +1815,24 @@ void Explode(int ex, int ey, int phase, int mode)
     if (IS_PLAYER(x, y) && !PLAYERINFO(x,y)->present)
       StorePlayer[x][y] = 0;
   }
-  else if (!(phase % delay) && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
+  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);
+    int stored = Store[x][y];
+    int graphic = (game.emulation != EMU_SUPAPLEX ? IMG_EXPLOSION :
+		   stored == EL_SP_INFOTRON ? IMG_SP_EXPLOSION_INFOTRON :
+		   IMG_SP_EXPLOSION);
+    int frame = getGraphicAnimationFrame(graphic, phase - delay);
 
     if (phase == delay)
-      ErdreichAnbroeckeln(SCREENX(x), SCREENY(y));
-
-    graphic += (phase / delay - 1);
+      DrawCrumbledSand(SCREENX(x), SCREENY(y));
 
     if (IS_PFORTE(Store[x][y]))
     {
       DrawLevelElement(x, y, Store[x][y]);
-      DrawGraphicThruMask(SCREENX(x), SCREENY(y), graphic);
+      DrawGraphicThruMask(SCREENX(x), SCREENY(y), graphic, frame);
     }
     else
-      DrawGraphic(SCREENX(x), SCREENY(y), graphic);
+      DrawGraphic(SCREENX(x), SCREENY(y), graphic, frame);
   }
 }
 
@@ -1741,7 +1852,7 @@ void DynaExplode(int ex, int ey)
 
   if (IS_ACTIVE_BOMB(Feld[ex][ey]))
   {
-    player = &stored_player[Feld[ex][ey] - EL_DYNABOMB_ACTIVE_1];
+    player = &stored_player[Feld[ex][ey] - EL_DYNABOMB_PLAYER1_ACTIVE];
     dynabomb_size = player->dynabomb_size;
     dynabomb_xl = player->dynabomb_xl;
     player->dynabombs_left++;
@@ -1805,10 +1916,10 @@ void Bang(int x, int y)
       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_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:
@@ -1832,27 +1943,28 @@ void Blurb(int x, int y)
 {
   int element = Feld[x][y];
 
-  if (element != EL_ACID_SPLASHING_LEFT &&
-      element != EL_ACID_SPLASHING_RIGHT)	/* start */
+  if (element != EL_ACID_SPLASH_LEFT &&
+      element != EL_ACID_SPLASH_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;
+      Feld[x-1][y] = EL_ACID_SPLASH_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;
+      Feld[x+1][y] = EL_ACID_SPLASH_RIGHT;
     }
   }
   else								/* go on */
   {
-    int graphic =
-      (element == EL_ACID_SPLASHING_LEFT ? GFX_BLURB_LEFT : GFX_BLURB_RIGHT);
+    int graphic = (element == EL_ACID_SPLASH_LEFT ?
+		   IMG_ACID_SPLASH_LEFT :
+		   IMG_ACID_SPLASH_RIGHT);
 
     if (!MovDelay[x][y])	/* initialize animation counter */
       MovDelay[x][y] = 9;
@@ -1861,7 +1973,11 @@ void Blurb(int x, int y)
     {
       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);
+      {
+	int frame = getGraphicAnimationFrame(graphic, 8 - MovDelay[x][y]);
+
+        DrawGraphic(SCREENX(x), SCREENY(y), graphic, frame);
+      }
 
       if (!MovDelay[x][y])
       {
@@ -1872,6 +1988,67 @@ void Blurb(int x, int y)
   }
 }
 
+static void InitBeltMovement()
+{
+  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
+  };
+
+  int x, y, i, j;
+
+  /* set frame order for belt animation graphic according to belt direction */
+  for (i=0; i<4; i++)
+  {
+    int belt_nr = i;
+
+    for (j=0; j<3; j++)
+    {
+      int element = belt_base_active_element[belt_nr] + j;
+      int graphic = el2img(element);
+
+      if (game.belt_dir[i] == MV_LEFT)
+	new_graphic_info[graphic].anim_mode &= ~ANIM_REVERSE;
+      else
+	new_graphic_info[graphic].anim_mode |=  ANIM_REVERSE;
+    }
+  }
+
+  for(y=0; y<lev_fieldy; y++)
+  {
+    for(x=0; x<lev_fieldx; x++)
+    {
+      int element = Feld[x][y];
+
+      for (i=0; i<4; i++)
+      {
+	if (IS_BELT(element) && game.belt_dir[i] != MV_NO_MOVING)
+	{
+	  int e_belt_nr = getBeltNrFromBeltElement(element);
+	  int belt_nr = i;
+
+	  if (e_belt_nr == belt_nr)
+	  {
+	    int belt_part = Feld[x][y] - belt_base_element[belt_nr];
+
+	    Feld[x][y] = belt_base_active_element[belt_nr] + belt_part;
+	  }
+	}
+      }
+    }
+  }
+}
+
 static void ToggleBeltSwitch(int x, int y)
 {
   static int belt_base_element[4] =
@@ -1907,7 +2084,7 @@ static void ToggleBeltSwitch(int x, int 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;
+  int xx, yy, i;
 
   if (!IS_BELT_SWITCH(element))
     return;
@@ -1918,6 +2095,18 @@ static void ToggleBeltSwitch(int x, int y)
   if (belt_dir_nr == 3)
     belt_dir_nr = 1;
 
+  /* set frame order for belt animation graphic according to belt direction */
+  for (i=0; i<3; i++)
+  {
+    int element = belt_base_active_element[belt_nr] + i;
+    int graphic = el2img(element);
+
+    if (belt_dir == MV_LEFT)
+      new_graphic_info[graphic].anim_mode &= ~ANIM_REVERSE;
+    else
+      new_graphic_info[graphic].anim_mode |=  ANIM_REVERSE;
+  }
+
   for (yy=0; yy<lev_fieldy; yy++)
   {
     for (xx=0; xx<lev_fieldx; xx++)
@@ -1996,6 +2185,20 @@ static void ToggleSwitchgateSwitch(int x, int y)
   }
 }
 
+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;
@@ -2018,11 +2221,24 @@ static void RedrawAllLightSwitchesAndInvisibleElements()
 	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);
 
-      if (element == EL_INVISIBLE_STEELWALL ||
-	  element == EL_INVISIBLE_WALL ||
-	  element == EL_INVISIBLE_SAND)
 	DrawLevelField(x, y);
+      }
     }
   }
 }
@@ -2196,7 +2412,7 @@ void Impact(int x, int y)
 	}
 	else if (smashed == EL_NUT)
 	{
-	  Feld[x][y+1] = EL_CRACKINGNUT;
+	  Feld[x][y+1] = EL_NUT_CRACKING;
 	  PlaySoundLevel(x, y, SND_NUT_CRACKING);
 	  RaiseScoreElement(EL_NUT);
 	  return;
@@ -2280,18 +2496,18 @@ void TurnRound(int x, int y)
 
   int element = Feld[x][y];
   int old_move_dir = MovDir[x][y];
-  int left_dir = turn[old_move_dir].left;
+  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 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_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;
+  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_BUG || element == EL_BD_BUTTERFLY)
   {
@@ -2535,17 +2751,18 @@ void TurnRound(int x, int y)
     MovDir[x][y] = game.balloon_dir;
     MovDelay[x][y] = 0;
   }
-  else if (element == EL_SPRING_MOVING)
+  else if (element == EL_SPRING)
   {
-    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;
+    if ((MovDir[x][y] == MV_LEFT || MovDir[x][y] == MV_RIGHT) &&
+	(!IN_LEV_FIELD(move_x, move_y) || !IS_FREE(move_x, move_y) ||
+	 (IN_LEV_FIELD(x, y + 1) && IS_FREE(x, y + 1))))
       MovDir[x][y] = MV_NO_MOVING;
-    }
+
     MovDelay[x][y] = 0;
   }
-  else if (element == EL_ROBOT || element == EL_SATELLITE || element == EL_PENGUIN)
+  else if (element == EL_ROBOT ||
+	   element == EL_SATELLITE ||
+	   element == EL_PENGUIN)
   {
     int attr_x = -1, attr_y = -1;
 
@@ -2574,7 +2791,7 @@ void TurnRound(int x, int y)
       }
     }
 
-    if (element == EL_ROBOT && ZX>=0 && ZY>=0)
+    if (element == EL_ROBOT && ZX >= 0 && ZY >= 0)
     {
       attr_x = ZX;
       attr_y = ZY;
@@ -2693,12 +2910,16 @@ static boolean JustBeingPushed(int x, int y)
 
 void StartMoving(int x, int y)
 {
+  static boolean use_spring_bug = TRUE;
+  boolean started_moving = FALSE;	/* some elements can fall _and_ move */
   int element = Feld[x][y];
 
   if (Stop[x][y])
     return;
 
-  if (CAN_FALL(element) && y<lev_fieldy-1)
+  GfxAction[x][y] = GFX_ACTION_DEFAULT;
+
+  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))
@@ -2709,6 +2930,8 @@ void StartMoving(int x, int y)
       if (IS_FREE(x, y+1))
       {
 	InitMovingField(x, y, MV_DOWN);
+	started_moving = TRUE;
+
 	Feld[x][y] = EL_QUICKSAND_EMPTYING;
 	Store[x][y] = EL_ROCK;
 	PlaySoundLevel(x, y, SND_QUICKSAND_EMPTYING);
@@ -2736,6 +2959,8 @@ void StartMoving(int x, int y)
 	     Feld[x][y+1] == EL_QUICKSAND_EMPTY)
     {
       InitMovingField(x, y, MV_DOWN);
+      started_moving = TRUE;
+
       Feld[x][y] = EL_QUICKSAND_FILLING;
       Store[x][y] = element;
       PlaySoundLevel(x, y, SND_QUICKSAND_FILLING);
@@ -2745,6 +2970,8 @@ void StartMoving(int x, int y)
       if (IS_FREE(x, y+1))
       {
 	InitMovingField(x, y, MV_DOWN);
+	started_moving = TRUE;
+
 	Feld[x][y] = EL_MAGIC_WALL_EMPTYING;
 	Store[x][y] = EL_CHANGED(Store[x][y]);
       }
@@ -2771,6 +2998,8 @@ void StartMoving(int x, int y)
       if (IS_FREE(x, y+1))
       {
 	InitMovingField(x, y, MV_DOWN);
+	started_moving = TRUE;
+
 	Feld[x][y] = EL_BD_MAGIC_WALL_EMPTYING;
 	Store[x][y] = EL_CHANGED2(Store[x][y]);
       }
@@ -2797,6 +3026,8 @@ void StartMoving(int x, int y)
 	      Feld[x][y+1] == EL_BD_MAGIC_WALL_ACTIVE))
     {
       InitMovingField(x, y, MV_DOWN);
+      started_moving = TRUE;
+
       Feld[x][y] =
 	(Feld[x][y+1] == EL_MAGIC_WALL_ACTIVE ? EL_MAGIC_WALL_FILLING :
 	 EL_BD_MAGIC_WALL_FILLING);
@@ -2805,7 +3036,10 @@ void StartMoving(int x, int y)
     else if (CAN_SMASH(element) && Feld[x][y+1] == EL_ACID)
     {
       Blurb(x, y);
+
       InitMovingField(x, y, MV_DOWN);
+      started_moving = TRUE;
+
       Store[x][y] = EL_ACID;
     }
     else if (CAN_SMASH(element) && Feld[x][y+1] == EL_BLOCKED &&
@@ -2813,9 +3047,18 @@ void StartMoving(int x, int y)
     {
       Impact(x, y);
     }
+    else if (IS_FREE(x, y+1) && element == EL_SPRING && use_spring_bug)
+    {
+      if (MovDir[x][y] == MV_NO_MOVING)
+      {
+	InitMovingField(x, y, MV_DOWN);
+	started_moving = TRUE;
+      }
+    }
     else if (IS_FREE(x, y+1))
     {
       InitMovingField(x, y, MV_DOWN);
+      started_moving = TRUE;
     }
     else if (element == EL_AMOEBA_DROP)
     {
@@ -2853,6 +3096,7 @@ void StartMoving(int x, int y)
 	  left = !(right = RND(2));
 
 	InitMovingField(x, y, left ? MV_LEFT : MV_RIGHT);
+	started_moving = TRUE;
       }
     }
     else if (IS_BELT_ACTIVE(Feld[x][y+1]))
@@ -2864,33 +3108,59 @@ void StartMoving(int x, int y)
 
       if ((belt_dir == MV_LEFT  && left_is_free) ||
 	  (belt_dir == MV_RIGHT && right_is_free))
+      {
 	InitMovingField(x, y, belt_dir);
+	started_moving = TRUE;
+
+	GfxAction[x][y] = GFX_ACTION_DEFAULT;
+      }
     }
   }
-  else if (CAN_MOVE(element))
+
+  /* not "else if" because of EL_SPRING */
+  if (CAN_MOVE(element) && !started_moving)
   {
     int newx, newy;
 
-    if ((element == EL_SATELLITE || element == EL_BALLOON ||
-	 element == EL_SPRING_MOVING)
+    if ((element == EL_SATELLITE ||
+	 element == EL_BALLOON ||
+	 element == EL_SPRING)
 	&& JustBeingPushed(x, y))
       return;
 
+#if 0
+#if 0
+    if (element == EL_SPRING && MovDir[x][y] == MV_DOWN)
+      Feld[x][y + 1] = EL_EMPTY;	/* was set to EL_BLOCKED above */
+#else
+    if (element == EL_SPRING && MovDir[x][y] != MV_NO_MOVING)
+    {
+      Moving2Blocked(x, y, &newx, &newy);
+      if (Feld[newx][newy] == EL_BLOCKED)
+	Feld[newx][newy] = EL_EMPTY;	/* was set to EL_BLOCKED above */
+    }
+#endif
+#endif
+
     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_YAMYAM && element!=EL_DARK_YAMYAM && element!=EL_PACMAN)
+      if (element != EL_YAMYAM &&
+	  element != EL_DARK_YAMYAM &&
+	  element != EL_PACMAN)
       {
+#if 0
+  if (element == EL_SPRING)
+    printf("1--> %d\n", MovDir[x][y]);
+#endif
 	TurnRound(x, y);
-
+#if 0
+  if (element == EL_SPRING)
+    printf("2--> %d\n", MovDir[x][y]);
+#endif
 	if (MovDelay[x][y] && (element == EL_BUG ||
-			       element == EL_SPACESHIP ||
-			       element == EL_SP_SNIKSNAK ||
-			       element == EL_SP_ELECTRON))
-	  DrawNewLevelField(x, y);
-	else if (MovDelay[x][y] && (element == EL_BUG ||
 			       element == EL_SPACESHIP ||
 			       element == EL_SP_SNIKSNAK ||
 			       element == EL_SP_ELECTRON ||
@@ -2906,13 +3176,13 @@ void StartMoving(int x, int y)
       if (element == EL_ROBOT ||
 	  element == EL_YAMYAM || element == EL_DARK_YAMYAM)
       {
-	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);
+	{
+	  int graphic = el2img(element);
+	  int frame = getGraphicAnimationFrame(graphic, MovDelay[x][y] % 8);
+
+	  DrawGraphic(SCREENX(x), SCREENY(y), graphic, frame);
+	}
 
 	if (MovDelay[x][y] % 4 == 3)
 	{
@@ -2923,23 +3193,24 @@ void StartMoving(int x, int y)
 	}
       }
       else if (element == EL_SP_ELECTRON)
-	DrawGraphicAnimation(x, y, GFX2_SP_ELECTRON, 8, 2, ANIM_NORMAL);
+	DrawLevelElementAnimation(x, y, element);
       else if (element == EL_DRAGON)
       {
 	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;
+	int graphic = (dir == MV_LEFT	? IMG_FLAMES_LEFT1 :
+		       dir == MV_RIGHT	? IMG_FLAMES_RIGHT1 :
+		       dir == MV_UP	? IMG_FLAMES_UP1 :
+		       dir == MV_DOWN	? IMG_FLAMES_DOWN1 : IMG_EMPTY);
+	int frame = getGraphicAnimationFrame(graphic, -1);
 
 	for (i=1; i<=3; i++)
 	{
 	  int xx = x + i*dx, yy = y + i*dy;
 	  int sx = SCREENX(xx), sy = SCREENY(yy);
+	  int flame_graphic = graphic + (i - 1);
 
 	  if (!IN_LEV_FIELD(xx, yy) ||
 	      IS_SOLID(Feld[xx][yy]) || Feld[xx][yy] == EL_EXPLOSION)
@@ -2954,13 +3225,13 @@ void StartMoving(int x, int y)
 	    else
 	      RemoveMovingField(xx, yy);
 
-	    Feld[xx][yy] = EL_DRAGON_FIRE;
+	    Feld[xx][yy] = EL_FLAMES;
 	    if (IN_SCR_FIELD(sx, sy))
-	      DrawGraphic(sx, sy, graphic + phase*3 + i-1);
+	      DrawGraphic(sx, sy, flame_graphic, frame);
 	  }
 	  else
 	  {
-	    if (Feld[xx][yy] == EL_DRAGON_FIRE)
+	    if (Feld[xx][yy] == EL_FLAMES)
 	      Feld[xx][yy] = EL_EMPTY;
 	    DrawLevelField(xx, yy);
 	  }
@@ -3011,7 +3282,7 @@ void StartMoving(int x, int y)
 
 	PlaySoundLevel(newx, newy, SND_PENGUIN_PASSING_EXIT);
 	if (IN_SCR_FIELD(SCREENX(newx), SCREENY(newy)))
-	  DrawGraphicThruMask(SCREENX(newx), SCREENY(newy), el2gfx(element));
+	  DrawGraphicThruMask(SCREENX(newx),SCREENY(newy), el2img(element), 0);
 
 	local_player->friends_still_needed--;
 	if (!local_player->friends_still_needed &&
@@ -3082,7 +3353,7 @@ void StartMoving(int x, int y)
 
 	if ((wanna_flame || IS_ENEMY(element1) || IS_ENEMY(element2)) &&
 	    element1 != EL_DRAGON && element2 != EL_DRAGON &&
-	    element1 != EL_DRAGON_FIRE && element2 != EL_DRAGON_FIRE)
+	    element1 != EL_FLAMES && element2 != EL_FLAMES)
 	{
 	  if (IS_PLAYER(x, y))
 	    DrawPlayerField(x, y);
@@ -3092,11 +3363,11 @@ void StartMoving(int x, int y)
 	  PlaySoundLevel(x, y, SND_DRAGON_ATTACKING);
 
 	  MovDelay[x][y] = 50;
-	  Feld[newx][newy] = EL_DRAGON_FIRE;
+	  Feld[newx][newy] = EL_FLAMES;
 	  if (IN_LEV_FIELD(newx1, newy1) && Feld[newx1][newy1] == EL_EMPTY)
-	    Feld[newx1][newy1] = EL_DRAGON_FIRE;
+	    Feld[newx1][newy1] = EL_FLAMES;
 	  if (IN_LEV_FIELD(newx2, newy2) && Feld[newx2][newy2] == EL_EMPTY)
-	    Feld[newx2][newy2] = EL_DRAGON_FIRE;
+	    Feld[newx2][newy2] = EL_FLAMES;
 	  return;
 	}
       }
@@ -3156,7 +3427,7 @@ void StartMoving(int x, int y)
       else	/* element == EL_PACMAN */
       {
 	Feld[newx][newy] = EL_EMPTY;
-	DrawNewLevelField(newx, newy);
+	DrawLevelField(newx, newy);
 	PlaySoundLevel(x, y, SND_PACMAN_EATING);
       }
     }
@@ -3175,36 +3446,16 @@ void StartMoving(int x, int y)
 
       if (element == EL_BUG || element == EL_SPACESHIP ||
 	  element == EL_SP_SNIKSNAK)
-#if 0
 	DrawLevelField(x, y);
-#else
-	DrawNewLevelField(x, y);
-#endif
       else if (element == EL_BUG || element == EL_SPACESHIP ||
 	       element == EL_SP_SNIKSNAK || element == EL_MOLE)
-#if 1
 	DrawLevelField(x, y);
-#else
-	DrawNewLevelField(x, y);
-#endif
       else if (element == EL_BD_BUTTERFLY || element == EL_BD_FIREFLY)
-#if 0
-	DrawGraphicAnimation(x, y, el2gfx(element), 2, 4, ANIM_NORMAL);
-#else
-	DrawNewGraphicAnimation(x, y, el2img(element));
-#endif
+	DrawLevelElementAnimation(x, y, element);
       else if (element == EL_SATELLITE)
-#if 0
-	DrawGraphicAnimation(x, y, GFX_SONDE_START, 8, 2, ANIM_NORMAL);
-#else
-	DrawNewGraphicAnimation(x, y, IMG_SATELLITE);
-#endif
+	DrawLevelElementAnimation(x, y, element);
       else if (element == EL_SP_ELECTRON)
-#if 0
-	DrawGraphicAnimation(x, y, GFX2_SP_ELECTRON, 8, 2, ANIM_NORMAL);
-#else
-	DrawNewGraphicAnimation(x, y, IMG_SP_ELECTRON);
-#endif
+	DrawLevelElementAnimation(x, y, element);
 
       if (DONT_TOUCH(element))
 	TestIfBadThingTouchesHero(x, y);
@@ -3229,7 +3480,7 @@ void ContinueMoving(int x, int y)
   int direction = MovDir[x][y];
   int dx = (direction == MV_LEFT ? -1 : direction == MV_RIGHT ? +1 : 0);
   int dy = (direction == MV_UP   ? -1 : direction == MV_DOWN  ? +1 : 0);
-  int horiz_move = (dx!=0);
+  int horiz_move = (dx != 0);
   int newx = x + dx, newy = y + dy;
   int step = (horiz_move ? dx : dy) * TILEX / 8;
 
@@ -3246,8 +3497,8 @@ void ContinueMoving(int x, int y)
   else if (CAN_FALL(element) && horiz_move &&
 	   y < lev_fieldy-1 && IS_BELT_ACTIVE(Feld[x][y+1]))
     step /= 2;
-  else if (element == EL_SPRING_MOVING)
-    step*=2;
+  else if (element == EL_SPRING && horiz_move)
+    step *= 2;
 
 #if OLD_GAME_BEHAVIOUR
   else if (CAN_FALL(element) && horiz_move && !IS_SP_ELEMENT(element))
@@ -3283,7 +3534,7 @@ void ContinueMoving(int x, int y)
 	yy = y + xy[i][1];
 
 	if (IN_LEV_FIELD(xx, yy) && Feld[xx][yy] == EL_SAND)
-	  DrawLevelField(xx, yy);	/* for "ErdreichAnbroeckeln()" */
+	  DrawLevelField(xx, yy);	/* for "DrawCrumbledSand()" */
       }
     }
 
@@ -3339,21 +3590,25 @@ void ContinueMoving(int x, int y)
     MovPos[x][y] = MovDir[x][y] = MovDelay[x][y] = 0;
     MovDelay[newx][newy] = 0;
 
+    GfxAction[newx][newy] = GfxAction[x][y];	/* keep action one frame */
+    GfxAction[x][y] = GFX_ACTION_DEFAULT;
+
+#if 0
     if (!CAN_MOVE(element))
       MovDir[newx][newy] = 0;
+#else
+    /*
+    if (CAN_FALL(element) && MovDir[newx][newy] == MV_DOWN)
+      MovDir[newx][newy] = 0;
+    */
 
-    if (element == EL_BUG || element == EL_SPACESHIP ||
-	element == EL_SP_SNIKSNAK || element == EL_PACMAN ||
-	element == EL_SP_ELECTRON)
-    {
-      DrawNewLevelField(x, y);
-      DrawNewLevelField(newx, newy);
-    }
-    else
-    {
-      DrawLevelField(x, y);
-      DrawLevelField(newx, newy);
-    }
+    if (!CAN_MOVE(element) ||
+	(element == EL_SPRING && MovDir[newx][newy] == MV_DOWN))
+      MovDir[newx][newy] = 0;
+#endif
+
+    DrawLevelField(x, y);
+    DrawLevelField(newx, newy);
 
     Stop[newx][newy] = TRUE;
     JustStopped[newx][newy] = 3;
@@ -3373,12 +3628,16 @@ void ContinueMoving(int x, int y)
   }
   else				/* still moving on */
   {
-    if (element == EL_BUG || element == EL_SPACESHIP ||
-	element == EL_SP_SNIKSNAK || element == EL_PACMAN ||
-	element == EL_SP_ELECTRON)
-      DrawNewLevelField(x, y);
-    else
-      DrawLevelField(x, y);
+#if 0
+    if (GfxAction[x][y] == GFX_ACTION_DEFAULT)
+    {
+      printf("reset GfxAction...\n");
+
+      GfxAction[x][y] = GFX_ACTION_MOVING;
+    }
+#endif
+
+    DrawLevelField(x, y);
   }
 }
 
@@ -3584,7 +3843,12 @@ void AmoebeWaechst(int x, int y)
   {
     MovDelay[x][y]--;
     if (MovDelay[x][y]/2 && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
-      DrawGraphic(SCREENX(x), SCREENY(y), GFX_AMOEBING + 3 - MovDelay[x][y]/2);
+    {
+      int frame = getGraphicAnimationFrame(IMG_AMOEBA_CREATING,
+					   6 - MovDelay[x][y]);
+
+      DrawGraphic(SCREENX(x), SCREENY(y), IMG_AMOEBA_CREATING, frame);
+    }
 
     if (!MovDelay[x][y])
     {
@@ -3612,7 +3876,12 @@ void AmoebaDisappearing(int x, int y)
   {
     MovDelay[x][y]--;
     if (MovDelay[x][y]/2 && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
-      DrawGraphic(SCREENX(x), SCREENY(y), GFX_AMOEBING + MovDelay[x][y]/2);
+    {
+      int frame = getGraphicAnimationFrame(IMG_AMOEBA_SHRINKING,
+					   6 - MovDelay[x][y]);
+
+      DrawGraphic(SCREENX(x), SCREENY(y), IMG_AMOEBA_SHRINKING, frame);
+    }
 
     if (!MovDelay[x][y])
     {
@@ -3844,6 +4113,23 @@ void Life(int ax, int ay)
 		   SND_BIOMAZE_CREATING);
 }
 
+static void InitRobotWheel(int x, int y)
+{
+  MovDelay[x][y] = level.time_wheel * FRAMES_PER_SECOND;
+}
+
+static void RunRobotWheel(int x, int y)
+{
+  PlaySoundLevel(x, y, SND_ROBOT_WHEEL_ACTIVE);
+}
+
+static void StopRobotWheel(int x, int y)
+{
+  if (ZX == x && ZY == y)
+    ZX = ZY = -1;
+}
+
+#if 1
 void RobotWheel(int x, int y)
 {
   if (!MovDelay[x][y])		/* next animation frame */
@@ -3855,19 +4141,37 @@ void RobotWheel(int x, int y)
     if (MovDelay[x][y])
     {
       if (IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
-	DrawGraphic(SCREENX(x), SCREENY(y), GFX_ABLENK+MovDelay[x][y]%4);
-      if (!(MovDelay[x][y]%4))
-	PlaySoundLevel(x, y, SND_ROBOT_WHEEL_ACTIVE);
+      {
+	int frame = getGraphicAnimationFrame(IMG_ROBOT_WHEEL_ACTIVE, -1);
+
+	DrawGraphic(SCREENX(x), SCREENY(y), IMG_ROBOT_WHEEL_ACTIVE, frame);
+      }
+
+      PlaySoundLevel(x, y, SND_ROBOT_WHEEL_ACTIVE);
+
       return;
     }
   }
 
   Feld[x][y] = EL_ROBOT_WHEEL;
   DrawLevelField(x, y);
+
   if (ZX == x && ZY == y)
     ZX = ZY = -1;
 }
+#endif
+
+static void InitTimegateWheel(int x, int y)
+{
+  MovDelay[x][y] = level.time_wheel * FRAMES_PER_SECOND;
+}
+
+static void RunTimegateWheel(int x, int y)
+{
+  PlaySoundLevel(x, y, SND_TIMEGATE_SWITCH_ACTIVE);
+}
 
+#if 1
 void TimegateWheel(int x, int y)
 {
   if (!MovDelay[x][y])		/* next animation frame */
@@ -3879,28 +4183,32 @@ void TimegateWheel(int x, int y)
     if (MovDelay[x][y])
     {
       if (IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
-	DrawGraphic(SCREENX(x), SCREENY(y),
-		    GFX_TIMEGATE_SWITCH + MovDelay[x][y]%4);
-      if (!(MovDelay[x][y]%4))
-	PlaySoundLevel(x, y, SND_TIMEGATE_SWITCH_ACTIVE);
+      {
+	int frame = getGraphicAnimationFrame(IMG_TIMEGATE_SWITCH_ACTIVE, -1);
+
+	DrawGraphic(SCREENX(x), SCREENY(y), IMG_TIMEGATE_SWITCH_ACTIVE, frame);
+      }
+
+      PlaySoundLevel(x, y, SND_TIMEGATE_SWITCH_ACTIVE);
+
       return;
     }
   }
 
   Feld[x][y] = EL_TIMEGATE_SWITCH;
   DrawLevelField(x, y);
+
+  /* THIS HAS NO EFFECT AT ALL! */
+#if 1
+  /* !!! THIS LOOKS WRONG !!! */
   if (ZX == x && ZY == y)
     ZX = ZY = -1;
-}
+#endif
 
-void Blubber(int x, int y)
-{
-  if (y > 0 && IS_MOVING(x, y-1) && MovDir[x][y-1] == MV_DOWN)
-    DrawLevelField(x, y-1);
-  else
-    DrawGraphicAnimation(x, y, GFX_GEBLUBBER, 4, 10, ANIM_NORMAL);
 }
+#endif
 
+#if 1
 void NussKnacken(int x, int y)
 {
   if (!MovDelay[x][y])		/* next animation frame */
@@ -3909,18 +4217,26 @@ void NussKnacken(int x, int y)
   if (MovDelay[x][y])		/* wait some time before next frame */
   {
     MovDelay[x][y]--;
-    if (MovDelay[x][y]/2 && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
-      DrawGraphic(SCREENX(x), SCREENY(y),
-		  GFX_CRACKINGNUT + 3 - MovDelay[x][y]/2);
-
-    if (!MovDelay[x][y])
+    if (MovDelay[x][y])
     {
-      Feld[x][y] = EL_EMERALD;
-      DrawLevelField(x, y);
+      if (IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
+      {
+	int frame = getGraphicAnimationFrame(IMG_NUT_CRACKING,
+					     6 - MovDelay[x][y]);
+
+	DrawGraphic(SCREENX(x), SCREENY(y), IMG_NUT_CRACKING, frame);
+      }
+
+      return;
     }
   }
+
+  Feld[x][y] = EL_EMERALD;
+  DrawLevelField(x, y);
 }
+#endif
 
+#if 1
 void BreakingPearl(int x, int y)
 {
   if (!MovDelay[x][y])		/* next animation frame */
@@ -3929,26 +4245,33 @@ void BreakingPearl(int x, int y)
   if (MovDelay[x][y])		/* wait some time before next frame */
   {
     MovDelay[x][y]--;
-    if (MovDelay[x][y]/2 && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
-      DrawGraphic(SCREENX(x), SCREENY(y),
-		  GFX_PEARL_BREAKING + 4 - MovDelay[x][y]/2);
-
-    if (!MovDelay[x][y])
+    if (MovDelay[x][y])
     {
-      Feld[x][y] = EL_EMPTY;
-      DrawLevelField(x, y);
+      if (IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
+      {
+	int frame = getGraphicAnimationFrame(IMG_PEARL_BREAKING,
+					     8 - MovDelay[x][y]);
+
+	DrawGraphic(SCREENX(x), SCREENY(y), IMG_PEARL_BREAKING, frame);
+      }
+
+      return;
     }
   }
+
+  Feld[x][y] = EL_EMPTY;
+  DrawLevelField(x, y);
 }
+#endif
 
-void SiebAktivieren(int x, int y, int typ)
+void SiebAktivieren(int x, int y, int type)
 {
-  int graphic = (typ == 1 ? GFX_MAGIC_WALL_FULL : GFX_MAGIC_WALL_BD_FULL) + 3;
+  int graphic = (type == 1 ? IMG_MAGIC_WALL_FULL : IMG_BD_MAGIC_WALL_FULL);
 
-  DrawGraphicAnimation(x, y, graphic, 4, 4, ANIM_REVERSE);
+  DrawLevelGraphicAnimation(x, y, graphic);
 }
 
-void AusgangstuerPruefen(int x, int y)
+void CheckExit(int x, int y)
 {
   if (local_player->gems_still_needed > 0 ||
       local_player->sokobanfields_still_needed > 0 ||
@@ -3957,56 +4280,55 @@ void AusgangstuerPruefen(int x, int y)
 
   Feld[x][y] = EL_EXIT_OPENING;
 
-  PlaySoundLevel(x < LEVELX(BX1) ? LEVELX(BX1) :
-		 (x > LEVELX(BX2) ? LEVELX(BX2) : x),
-		 y < LEVELY(BY1) ? LEVELY(BY1) :
-		 (y > LEVELY(BY2) ? LEVELY(BY2) : y),
-		 SND_EXIT_OPENING);
+  PlaySoundLevelNearest(x, y, SND_EXIT_OPENING);
 }
 
-void AusgangstuerPruefen_SP(int x, int y)
+void CheckExitSP(int x, int y)
 {
   if (local_player->gems_still_needed > 0)
     return;
 
   Feld[x][y] = EL_SP_EXIT_OPEN;
 
-  PlaySoundLevel(x < LEVELX(BX1) ? LEVELX(BX1) :
-		 (x > LEVELX(BX2) ? LEVELX(BX2) : x),
-		 y < LEVELY(BY1) ? LEVELY(BY1) :
-		 (y > LEVELY(BY2) ? LEVELY(BY2) : y),
-		 SND_SP_EXIT_OPENING);
+  PlaySoundLevelNearest(x, y, SND_SP_EXIT_OPENING);
 }
 
+#if 1
 void AusgangstuerOeffnen(int x, int y)
 {
   int delay = 6;
 
   if (!MovDelay[x][y])		/* next animation frame */
-    MovDelay[x][y] = 5*delay;
+    MovDelay[x][y] = 5 * delay;
 
   if (MovDelay[x][y])		/* wait some time before next frame */
   {
     int tuer;
 
     MovDelay[x][y]--;
-    tuer = MovDelay[x][y]/delay;
-    if (!(MovDelay[x][y]%delay) && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
-      DrawGraphic(SCREENX(x), SCREENY(y), GFX_AUSGANG_AUF-tuer);
+    tuer = MovDelay[x][y] / delay;
 
-    if (!MovDelay[x][y])
+    if (!(MovDelay[x][y] % delay))
     {
-      Feld[x][y] = EL_EXIT_OPEN;
-      DrawLevelField(x, y);
+      if (IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
+      {
+	int frame = getGraphicAnimationFrame(IMG_EXIT_OPENING,
+					     29 - MovDelay[x][y]);
+
+	DrawGraphic(SCREENX(x), SCREENY(y), IMG_EXIT_OPENING, frame);
+      }
     }
+
+    if (MovDelay[x][y])
+      return;
   }
-}
 
-void AusgangstuerBlinken(int x, int y)
-{
-  DrawGraphicAnimation(x, y, GFX_AUSGANG_AUF, 4, 4, ANIM_PINGPONG);
+  Feld[x][y] = EL_EXIT_OPEN;
+  DrawLevelField(x, y);
 }
+#endif
 
+#if 1
 void OpenSwitchgate(int x, int y)
 {
   int delay = 6;
@@ -4016,21 +4338,29 @@ void OpenSwitchgate(int x, int y)
 
   if (MovDelay[x][y])		/* wait some time before next frame */
   {
-    int phase;
-
     MovDelay[x][y]--;
-    phase = MovDelay[x][y] / delay;
-    if (!(MovDelay[x][y] % delay) && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
-      DrawGraphic(SCREENX(x), SCREENY(y), GFX_SWITCHGATE_OPEN - phase);
 
-    if (!MovDelay[x][y])
+    if (!(MovDelay[x][y] % delay))
     {
-      Feld[x][y] = EL_SWITCHGATE_OPEN;
-      DrawLevelField(x, y);
+      if (IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
+      {
+	int frame = getGraphicAnimationFrame(IMG_SWITCHGATE_OPENING,
+					     29 - MovDelay[x][y]);
+
+	DrawGraphic(SCREENX(x), SCREENY(y), IMG_SWITCHGATE_OPENING, frame);
+      }
     }
+
+    if (MovDelay[x][y])
+      return;
   }
+
+  Feld[x][y] = EL_SWITCHGATE_OPEN;
+  DrawLevelField(x, y);
 }
+#endif
 
+#if 1
 void CloseSwitchgate(int x, int y)
 {
   int delay = 6;
@@ -4040,21 +4370,29 @@ void CloseSwitchgate(int x, int y)
 
   if (MovDelay[x][y])		/* wait some time before next frame */
   {
-    int phase;
-
     MovDelay[x][y]--;
-    phase = MovDelay[x][y] / delay;
-    if (!(MovDelay[x][y] % delay) && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
-      DrawGraphic(SCREENX(x), SCREENY(y), GFX_SWITCHGATE_CLOSED + phase);
 
-    if (!MovDelay[x][y])
+    if (!(MovDelay[x][y] % delay))
     {
-      Feld[x][y] = EL_SWITCHGATE_CLOSED;
-      DrawLevelField(x, y);
+      if (IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
+      {
+	int frame = getGraphicAnimationFrame(IMG_SWITCHGATE_CLOSING,
+					     29 - MovDelay[x][y]);
+
+	DrawGraphic(SCREENX(x), SCREENY(y), IMG_SWITCHGATE_CLOSING, frame);
+      }
     }
+
+    if (MovDelay[x][y])
+      return;
   }
+
+  Feld[x][y] = EL_SWITCHGATE_CLOSED;
+  DrawLevelField(x, y);
 }
+#endif
 
+#if 1
 void OpenTimegate(int x, int y)
 {
   int delay = 6;
@@ -4064,21 +4402,29 @@ void OpenTimegate(int x, int y)
 
   if (MovDelay[x][y])		/* wait some time before next frame */
   {
-    int phase;
-
     MovDelay[x][y]--;
-    phase = MovDelay[x][y] / delay;
-    if (!(MovDelay[x][y] % delay) && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
-      DrawGraphic(SCREENX(x), SCREENY(y), GFX_TIMEGATE_OPEN - phase);
 
-    if (!MovDelay[x][y])
+    if (!(MovDelay[x][y] % delay))
     {
-      Feld[x][y] = EL_TIMEGATE_OPEN;
-      DrawLevelField(x, y);
+      if (IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
+      {
+	int frame = getGraphicAnimationFrame(IMG_TIMEGATE_OPENING,
+					     29 - MovDelay[x][y]);
+
+	DrawGraphic(SCREENX(x), SCREENY(y), IMG_TIMEGATE_OPENING, frame);
+      }
     }
+
+    if (MovDelay[x][y])
+      return;
   }
+
+  Feld[x][y] = EL_TIMEGATE_OPEN;
+  DrawLevelField(x, y);
 }
+#endif
 
+#if 1
 void CloseTimegate(int x, int y)
 {
   int delay = 6;
@@ -4088,20 +4434,27 @@ void CloseTimegate(int x, int y)
 
   if (MovDelay[x][y])		/* wait some time before next frame */
   {
-    int phase;
-
     MovDelay[x][y]--;
-    phase = MovDelay[x][y] / delay;
-    if (!(MovDelay[x][y] % delay) && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
-      DrawGraphic(SCREENX(x), SCREENY(y), GFX_TIMEGATE_CLOSED + phase);
 
-    if (!MovDelay[x][y])
+    if (!(MovDelay[x][y] % delay))
     {
-      Feld[x][y] = EL_TIMEGATE_CLOSED;
-      DrawLevelField(x, y);
+      if (IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
+      {
+	int frame = getGraphicAnimationFrame(IMG_TIMEGATE_CLOSING,
+					     29 - MovDelay[x][y]);
+
+	DrawGraphic(SCREENX(x), SCREENY(y), IMG_TIMEGATE_CLOSING, frame);
+      }
     }
+
+    if (MovDelay[x][y])
+      return;
   }
+
+  Feld[x][y] = EL_TIMEGATE_CLOSED;
+  DrawLevelField(x, y);
 }
+#endif
 
 static void CloseAllOpenTimegates()
 {
@@ -4128,36 +4481,42 @@ void EdelsteinFunkeln(int x, int y)
     return;
 
   if (Feld[x][y] == EL_BD_DIAMOND)
-    DrawGraphicAnimation(x, y, GFX_EDELSTEIN_BD, 4, 4, ANIM_REVERSE);
+#if 0
+    DrawLevelElementAnimation(x, y, el2img(Feld[x][y]));
+#else
+    return;
+#endif
   else
   {
-    if (!MovDelay[x][y])	/* next animation frame */
+    if (MovDelay[x][y] == 0)	/* next animation frame */
       MovDelay[x][y] = 11 * !SimpleRND(500);
 
-    if (MovDelay[x][y])		/* wait some time before next frame */
+    if (MovDelay[x][y] != 0)	/* wait some time before next frame */
     {
       MovDelay[x][y]--;
 
       if (setup.direct_draw && MovDelay[x][y])
 	SetDrawtoField(DRAW_BUFFERED);
 
-      DrawGraphic(SCREENX(x), SCREENY(y), el2gfx(Feld[x][y]));
+#if 0
+      DrawGraphic(SCREENX(x), SCREENY(y), el2img(Feld[x][y]), 0);
+#else
+      DrawLevelElementAnimation(x, y, Feld[x][y]);
+#endif
 
-      if (MovDelay[x][y])
+      if (MovDelay[x][y] != 0)
       {
-	int phase = (MovDelay[x][y]-1)/2;
-
-	if (phase > 2)
-	  phase = 4-phase;
+	int frame = getGraphicAnimationFrame(IMG_TWINKLE_WHITE,
+					     10 - MovDelay[x][y]);
 
-	DrawGraphicThruMask(SCREENX(x), SCREENY(y), GFX_FUNKELN_WEISS + phase);
+	DrawGraphicThruMask(SCREENX(x), SCREENY(y), IMG_TWINKLE_WHITE, frame);
 
 	if (setup.direct_draw)
 	{
 	  int dest_x, dest_y;
 
-	  dest_x = FX + SCREENX(x)*TILEX;
-	  dest_y = FY + SCREENY(y)*TILEY;
+	  dest_x = FX + SCREENX(x) * TILEX;
+	  dest_y = FY + SCREENY(y) * TILEY;
 
 	  BlitBitmap(drawto_field, window,
 		     dest_x, dest_y, TILEX, TILEY, dest_x, dest_y);
@@ -4173,42 +4532,41 @@ void MauerWaechst(int x, int y)
   int delay = 6;
 
   if (!MovDelay[x][y])		/* next animation frame */
-    MovDelay[x][y] = 3*delay;
+    MovDelay[x][y] = 3 * delay;
 
   if (MovDelay[x][y])		/* wait some time before next frame */
   {
-    int phase;
-
     MovDelay[x][y]--;
-    phase = 2-MovDelay[x][y]/delay;
-    if (!(MovDelay[x][y]%delay) && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
-      DrawGraphic(SCREENX(x), SCREENY(y),
-		  (MovDir[x][y] == MV_LEFT  ? GFX_MAUER_LEFT  :
-		   MovDir[x][y] == MV_RIGHT ? GFX_MAUER_RIGHT :
-		   MovDir[x][y] == MV_UP    ? GFX_MAUER_UP    :
-		                              GFX_MAUER_DOWN  ) + phase);
+
+    if (IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
+    {
+      int graphic = el_dir2img(Feld[x][y], MovDir[x][y]);
+      int frame = getGraphicAnimationFrame(graphic, 17 - MovDelay[x][y]);
+
+      DrawGraphic(SCREENX(x), SCREENY(y), graphic, frame);
+    }
 
     if (!MovDelay[x][y])
     {
       if (MovDir[x][y] == MV_LEFT)
       {
-	if (IN_LEV_FIELD(x-1, y) && IS_MAUER(Feld[x-1][y]))
-	  DrawLevelField(x-1, y);
+	if (IN_LEV_FIELD(x - 1, y) && IS_MAUER(Feld[x - 1][y]))
+	  DrawLevelField(x - 1, y);
       }
       else if (MovDir[x][y] == MV_RIGHT)
       {
-	if (IN_LEV_FIELD(x+1, y) && IS_MAUER(Feld[x+1][y]))
-	  DrawLevelField(x+1, y);
+	if (IN_LEV_FIELD(x + 1, y) && IS_MAUER(Feld[x + 1][y]))
+	  DrawLevelField(x + 1, y);
       }
       else if (MovDir[x][y] == MV_UP)
       {
-	if (IN_LEV_FIELD(x, y-1) && IS_MAUER(Feld[x][y-1]))
-	  DrawLevelField(x, y-1);
+	if (IN_LEV_FIELD(x, y - 1) && IS_MAUER(Feld[x][y - 1]))
+	  DrawLevelField(x, y - 1);
       }
       else
       {
-	if (IN_LEV_FIELD(x, y+1) && IS_MAUER(Feld[x][y+1]))
-	  DrawLevelField(x, y+1);
+	if (IN_LEV_FIELD(x, y + 1) && IS_MAUER(Feld[x][y + 1]))
+	  DrawLevelField(x, y + 1);
       }
 
       Feld[x][y] = Store[x][y];
@@ -4255,7 +4613,8 @@ void MauerAbleger(int ax, int ay)
       Store[ax][ay-1] = element;
       MovDir[ax][ay-1] = MV_UP;
       if (IN_SCR_FIELD(SCREENX(ax), SCREENY(ay-1)))
-  	DrawGraphic(SCREENX(ax), SCREENY(ay-1), GFX_MAUER_UP);
+  	DrawGraphic(SCREENX(ax), SCREENY(ay - 1),
+		    IMG_WALL_GROWING_ACTIVE_UP, 0);
       new_wall = TRUE;
     }
     if (unten_frei)
@@ -4264,7 +4623,8 @@ void MauerAbleger(int ax, int ay)
       Store[ax][ay+1] = element;
       MovDir[ax][ay+1] = MV_DOWN;
       if (IN_SCR_FIELD(SCREENX(ax), SCREENY(ay+1)))
-  	DrawGraphic(SCREENX(ax), SCREENY(ay+1), GFX_MAUER_DOWN);
+  	DrawGraphic(SCREENX(ax), SCREENY(ay + 1),
+		    IMG_WALL_GROWING_ACTIVE_DOWN, 0);
       new_wall = TRUE;
     }
   }
@@ -4278,7 +4638,8 @@ void MauerAbleger(int ax, int ay)
       Store[ax-1][ay] = element;
       MovDir[ax-1][ay] = MV_LEFT;
       if (IN_SCR_FIELD(SCREENX(ax-1), SCREENY(ay)))
-  	DrawGraphic(SCREENX(ax-1), SCREENY(ay), GFX_MAUER_LEFT);
+  	DrawGraphic(SCREENX(ax - 1), SCREENY(ay),
+		    IMG_WALL_GROWING_ACTIVE_LEFT, 0);
       new_wall = TRUE;
     }
 
@@ -4288,7 +4649,8 @@ void MauerAbleger(int ax, int ay)
       Store[ax+1][ay] = element;
       MovDir[ax+1][ay] = MV_RIGHT;
       if (IN_SCR_FIELD(SCREENX(ax+1), SCREENY(ay)))
-  	DrawGraphic(SCREENX(ax+1), SCREENY(ay), GFX_MAUER_RIGHT);
+  	DrawGraphic(SCREENX(ax + 1), SCREENY(ay),
+		    IMG_WALL_GROWING_ACTIVE_RIGHT, 0);
       new_wall = TRUE;
     }
   }
@@ -4334,7 +4696,7 @@ void CheckForDragon(int x, int y)
       int xx = x + j*xy[i][0], yy = y + j*xy[i][1];
 
       if (IN_LEV_FIELD(xx, yy) &&
-	  (Feld[xx][yy] == EL_DRAGON_FIRE || Feld[xx][yy] == EL_DRAGON))
+	  (Feld[xx][yy] == EL_FLAMES || Feld[xx][yy] == EL_DRAGON))
       {
 	if (Feld[xx][yy] == EL_DRAGON)
 	  dragon_found = TRUE;
@@ -4352,7 +4714,7 @@ void CheckForDragon(int x, int y)
       {
   	int xx = x + j*xy[i][0], yy = y + j*xy[i][1];
   
-  	if (IN_LEV_FIELD(xx, yy) && Feld[xx][yy] == EL_DRAGON_FIRE)
+  	if (IN_LEV_FIELD(xx, yy) && Feld[xx][yy] == EL_FLAMES)
   	{
 	  Feld[xx][yy] = EL_EMPTY;
 	  DrawLevelField(xx, yy);
@@ -4364,83 +4726,155 @@ void CheckForDragon(int x, int y)
   }
 }
 
-static void CheckBuggyBase(int x, int y)
+static void InitBuggyBase(int x, int y)
+{
+  int element = Feld[x][y];
+  int activating_delay = FRAMES_PER_SECOND / 4;
+
+  MovDelay[x][y] =
+    (element == EL_SP_BUGGY_BASE ?
+     2 * FRAMES_PER_SECOND + RND(5 * FRAMES_PER_SECOND) - activating_delay :
+     element == EL_SP_BUGGY_BASE_ACTIVATING ?
+     activating_delay :
+     element == EL_SP_BUGGY_BASE_ACTIVE ?
+     1 * FRAMES_PER_SECOND + RND(1 * FRAMES_PER_SECOND) : 1);
+}
+
+static void WarnBuggyBase(int x, int y)
+{
+  int i;
+  static int xy[4][2] =
+  {
+    { 0, -1 },
+    { -1, 0 },
+    { +1, 0 },
+    { 0, +1 }
+  };
+
+  for (i=0; i<4; i++)
+  {
+    int xx = x + xy[i][0], yy = y + xy[i][1];
+
+    if (IS_PLAYER(xx, yy))
+    {
+      PlaySoundLevel(x, y, SND_SP_BUGGY_BASE_ACTIVE);
+
+      break;
+    }
+  }
+}
+
+#if 1
+void CheckBuggyBase(int x, int y)
 {
   int element = Feld[x][y];
 
   if (element == EL_SP_BUGGY_BASE)
   {
-    if (!MovDelay[x][y])	/* wait some time before activating base */
-      MovDelay[x][y] = 2 * FRAMES_PER_SECOND + RND(5 * FRAMES_PER_SECOND);
+    if (MovDelay[x][y] == 0)	/* wait some time before activating base */
+    {
+      GfxFrame[x][y] = 0;
 
-    if (MovDelay[x][y])
+      InitBuggyBase(x, y);
+    }
+
+    MovDelay[x][y]--;
+
+    if (MovDelay[x][y] != 0)
     {
-      MovDelay[x][y]--;
-      if (MovDelay[x][y] < 5 && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
-	DrawGraphic(SCREENX(x), SCREENY(y), GFX_SP_BUG_WARNING);
-      if (MovDelay[x][y])
-	return;
+      DrawLevelElementAnimation(x, y, element);
+    }
+    else
+    {
+      Feld[x][y] = EL_SP_BUGGY_BASE_ACTIVATING;
+      DrawLevelField(x, y);
+    }
+  }
+  else if (element == EL_SP_BUGGY_BASE_ACTIVATING)
+  {
+    if (MovDelay[x][y] == 0)	/* display activation warning of buggy base */
+    {
+      GfxFrame[x][y] = 0;
+
+      InitBuggyBase(x, y);
+    }
 
+    MovDelay[x][y]--;
+
+    if (MovDelay[x][y] != 0)
+    {
+      DrawLevelElementAnimation(x, y, element);
+    }
+    else
+    {
       Feld[x][y] = EL_SP_BUGGY_BASE_ACTIVE;
+      DrawLevelField(x, y);
     }
   }
   else if (element == EL_SP_BUGGY_BASE_ACTIVE)
   {
-    if (!MovDelay[x][y])	/* start activating buggy base */
-      MovDelay[x][y] = 1 * FRAMES_PER_SECOND + RND(1 * FRAMES_PER_SECOND);
-
-    if (MovDelay[x][y])
+    if (MovDelay[x][y] == 0)	/* start activating buggy base */
     {
-      MovDelay[x][y]--;
-      if (MovDelay[x][y])
-      {
-	int i;
-	static int xy[4][2] =
-	{
-	  { 0, -1 },
-	  { -1, 0 },
-	  { +1, 0 },
-	  { 0, +1 }
-	};
-
-	if (IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
-	  DrawGraphic(SCREENX(x),SCREENY(y), GFX_SP_BUG_ACTIVE + SimpleRND(4));
+      GfxFrame[x][y] = 0;
 
-	for (i=0; i<4; i++)
-	{
-	  int xx = x + xy[i][0], yy = y + xy[i][1];
+      InitBuggyBase(x, y);
+    }
 
-	  if (IS_PLAYER(xx, yy))
-	  {
-	    PlaySoundLevel(x, y, SND_SP_BUGGY_BASE_ACTIVE);
-	    break;
-	  }
-	}
+    MovDelay[x][y]--;
 
-	return;
-      }
+    if (MovDelay[x][y] != 0)
+    {
+      DrawLevelElementAnimation(x, y, element);
 
+      WarnBuggyBase(x, y);
+    }
+    else
+    {
       Feld[x][y] = EL_SP_BUGGY_BASE;
       DrawLevelField(x, y);
     }
   }
 }
+#endif
+
+static void InitTrap(int x, int y)
+{
+  MovDelay[x][y] = 2 * FRAMES_PER_SECOND + RND(5 * FRAMES_PER_SECOND);
+}
+
+static void ActivateTrap(int x, int y)
+{
+  PlaySoundLevel(x, y, SND_TRAP_ACTIVATING);
+}
+
+static void ChangeActiveTrap(int x, int y)
+{
+  int graphic = IMG_TRAP_ACTIVE;
+
+  /* if animation frame already drawn, correct crumbled sand border */
+  if (IS_ANIMATED(graphic))
+    if (checkDrawLevelGraphicAnimation(x, y, graphic))
+      DrawCrumbledSand(SCREENX(x), SCREENY(y));
+}
 
-static void CheckTrap(int x, int y)
+#if 1
+void CheckTrap(int x, int y)
 {
   int element = Feld[x][y];
 
   if (element == EL_TRAP)
   {
-    if (!MovDelay[x][y])	/* wait some time before activating trap */
+    if (MovDelay[x][y] == 0)	/* wait some time before activating trap */
       MovDelay[x][y] = 2 * FRAMES_PER_SECOND + RND(5 * FRAMES_PER_SECOND);
 
-    if (MovDelay[x][y])
-    {
-      MovDelay[x][y]--;
-      if (MovDelay[x][y])
-	return;
+    MovDelay[x][y]--;
 
+    if (MovDelay[x][y] != 0)
+    {
+      /* do nothing while waiting */
+    }
+    else
+    {
       Feld[x][y] = EL_TRAP_ACTIVE;
       PlaySoundLevel(x, y, SND_TRAP_ACTIVATING);
     }
@@ -4450,38 +4884,29 @@ static void CheckTrap(int x, int y)
     int delay = 4;
     int num_frames = 8;
 
-    if (!MovDelay[x][y])	/* start activating trap */
-      MovDelay[x][y] = num_frames * delay;
-
-    if (MovDelay[x][y])
+    if (MovDelay[x][y] == 0)	/* start activating trap */
     {
-      MovDelay[x][y]--;
-
-      if (MovDelay[x][y])
-      {
-	if (!(MovDelay[x][y] % delay))
-	{
-	  int phase = MovDelay[x][y]/delay;
-
-	  if (phase >= num_frames/2)
-	    phase = num_frames - phase;
-
-	  if (IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
-	  {
-	    DrawGraphic(SCREENX(x),SCREENY(y), GFX_TRAP_INACTIVE + phase - 1);
-	    ErdreichAnbroeckeln(SCREENX(x), SCREENY(y));
-	  }
-	}
+      MovDelay[x][y] = num_frames * delay;
+      GfxFrame[x][y] = 0;
+    }
 
-	return;
-      }
+    MovDelay[x][y]--;
 
+    if (MovDelay[x][y] != 0)
+    {
+      if (DrawLevelElementAnimation(x, y, element))
+	DrawCrumbledSand(SCREENX(x), SCREENY(y));
+    }
+    else
+    {
       Feld[x][y] = EL_TRAP;
       DrawLevelField(x, y);
     }
   }
 }
+#endif
 
+#if 1
 static void DrawBeltAnimation(int x, int y, int element)
 {
   int belt_nr = getBeltNrFromBeltActiveElement(element);
@@ -4489,14 +4914,46 @@ static void DrawBeltAnimation(int x, int y, int element)
 
   if (belt_dir != MV_NO_MOVING)
   {
-    int delay = 2;
-    int mode = (belt_dir == MV_LEFT ? ANIM_NORMAL : ANIM_REVERSE);
-    int graphic = el2gfx(element) + (belt_dir == MV_LEFT ? 0 : 7);
-
-    DrawGraphicAnimation(x, y, graphic, 8, delay, mode);
+    DrawLevelElementAnimation(x, y, element);
 
     if (!(FrameCounter % 2))
-      PlaySoundLevel(x, y, SND_CONVEYOR_BELT_ACTIVE);
+      PlaySoundLevelAction(x, y, SND_ACTION_ACTIVE);
+  }
+}
+#endif
+
+static void ChangeElement(int x, int y)
+{
+  int element = Feld[x][y];
+
+  if (MovDelay[x][y] == 0)		/* initialize element change */
+  {
+    MovDelay[x][y] = changing_element[element].change_delay + 1;
+    GfxFrame[x][y] = 0;
+
+    if (changing_element[element].pre_change_function)
+      changing_element[element].pre_change_function(x, y);
+  }
+
+  MovDelay[x][y]--;
+
+  if (MovDelay[x][y] != 0)		/* continue element change */
+  {
+    if (IS_ANIMATED(el2img(element)))
+      DrawLevelElementAnimation(x, y, element);
+
+    if (changing_element[element].change_function)
+      changing_element[element].change_function(x, y);
+  }
+  else					/* finish element change */
+  {
+    Feld[x][y] = changing_element[element].next_element;
+    GfxFrame[x][y] = 0;
+
+    DrawLevelField(x, y);
+
+    if (changing_element[element].post_change_function)
+      changing_element[element].post_change_function(x, y);
   }
 }
 
@@ -4590,6 +5047,7 @@ static void PlayerActions(struct PlayerInfo *player, byte player_action)
     */
 #endif 
 
+    /* if the player does not move for some time, reset animation to start */
     if (++player->frame_reset_delay > player->move_delay_value)
       player->Frame = 0;
   }
@@ -4645,7 +5103,7 @@ void GameActions()
   static unsigned long action_delay = 0;
   unsigned long action_delay_value;
   int sieb_x = 0, sieb_y = 0;
-  int i, x, y, element;
+  int i, x, y, element, graphic;
   byte *recorded_player_action;
   byte summarized_player_action = 0;
 
@@ -4749,8 +5207,6 @@ void GameActions()
 #endif
 #endif
 
-
-
   FrameCounter++;
   TimeFrames++;
 
@@ -4760,6 +5216,8 @@ void GameActions()
     if (JustStopped[x][y] > 0)
       JustStopped[x][y]--;
 
+    GfxFrame[x][y]++;
+
 #if DEBUG
     if (IS_BLOCKED(x, y))
     {
@@ -4780,24 +5238,60 @@ void GameActions()
   for (y=0; y<lev_fieldy; y++) for (x=0; x<lev_fieldx; x++)
   {
     element = Feld[x][y];
+    graphic = el2img(element);
 
     if (IS_INACTIVE(element))
+    {
+
+#if 1
+      if (IS_ANIMATED(graphic))
+	DrawLevelGraphicAnimation(x, y, graphic);
+#endif
+
       continue;
+    }
 
     if (!IS_MOVING(x, y) && (CAN_FALL(element) || CAN_MOVE(element)))
     {
       StartMoving(x, y);
 
+#if 1
+#if 0
+      if (Feld[x][y] == EL_EMERALD &&
+	  IS_ANIMATED(graphic) &&
+	  !IS_MOVING(x, y))
+	DrawLevelGraphicAnimation(x, y, graphic);
+#else
+      if (IS_ANIMATED(graphic) &&
+	  !IS_MOVING(x, y))
+	DrawLevelGraphicAnimation(x, y, graphic);
+#endif
+#endif
+
       if (IS_GEM(element) || element == EL_SP_INFOTRON)
 	EdelsteinFunkeln(x, y);
     }
+
+#if 1
+    else if ((element == EL_ACID ||
+	      element == EL_EXIT_OPEN ||
+	      element == EL_SP_EXIT_OPEN ||
+	      element == EL_SP_TERMINAL ||
+	      element == EL_SP_TERMINAL_ACTIVE ||
+	      element == EL_EXTRA_TIME ||
+	      element == EL_SHIELD_NORMAL ||
+	      element == EL_SHIELD_DEADLY) &&
+	     IS_ANIMATED(graphic))
+      DrawLevelGraphicAnimation(x, y, graphic);
+#endif
+
     else if (IS_MOVING(x, y))
       ContinueMoving(x, y);
     else if (IS_ACTIVE_BOMB(element))
       CheckDynamite(x, y);
 #if 0
     else if (element == EL_EXPLOSION && !game.explosions_delayed)
-      Explode(x, y, Frame[x][y], EX_NORMAL);
+      Explode(x, y, ExplodePhase[x][y], EX_NORMAL);
 #endif
     else if (element == EL_AMOEBA_CREATING)
       AmoebeWaechst(x, y);
@@ -4811,29 +5305,29 @@ void GameActions()
 
     else if (element == EL_GAMEOFLIFE || element == EL_BIOMAZE)
       Life(x, y);
+#if 0
     else if (element == EL_ROBOT_WHEEL_ACTIVE)
       RobotWheel(x, y);
     else if (element == EL_TIMEGATE_SWITCH_ACTIVE)
       TimegateWheel(x, y);
-    else if (element == EL_ACID)
-      Blubber(x, y);
-    else if (element == EL_ACID_SPLASHING_LEFT ||
-	     element == EL_ACID_SPLASHING_RIGHT)
+#endif
+    else if (element == EL_ACID_SPLASH_LEFT ||
+	     element == EL_ACID_SPLASH_RIGHT)
       Blurb(x, y);
-    else if (element == EL_CRACKINGNUT)
+#if 0
+    else if (element == EL_NUT_CRACKING)
       NussKnacken(x, y);
     else if (element == EL_PEARL_BREAKING)
       BreakingPearl(x, y);
+#endif
     else if (element == EL_EXIT_CLOSED)
-      AusgangstuerPruefen(x, y);
+      CheckExit(x, y);
     else if (element == EL_SP_EXIT_CLOSED)
-      AusgangstuerPruefen_SP(x, y);
+      CheckExitSP(x, y);
+#if 0
     else if (element == EL_EXIT_OPENING)
       AusgangstuerOeffnen(x, y);
-    else if (element == EL_EXIT_OPEN)
-      AusgangstuerBlinken(x, y);
-    else if (element == EL_SP_EXIT_OPEN)
-      ;		/* !!! ADD SOME (OPTIONAL) ANIMATIONS HERE !!! */
+#endif
     else if (element == EL_WALL_GROWING_ACTIVE)
       MauerWaechst(x, y);
     else if (element == EL_WALL_GROWING ||
@@ -4841,22 +5335,16 @@ void GameActions()
 	     element == EL_WALL_GROWING_Y ||
 	     element == EL_WALL_GROWING_XY)
       MauerAbleger(x, y);
-    else if (element == EL_DRAGON_FIRE)
+    else if (element == EL_FLAMES)
       CheckForDragon(x, y);
-    else if (element == EL_SP_BUGGY_BASE || element == EL_SP_BUGGY_BASE_ACTIVE)
+#if 0
+    else if (element == EL_SP_BUGGY_BASE ||
+	     element == EL_SP_BUGGY_BASE_ACTIVATING ||
+	     element == EL_SP_BUGGY_BASE_ACTIVE)
       CheckBuggyBase(x, y);
-    else if (element == EL_TRAP || element == EL_TRAP_ACTIVE)
+    else if (element == EL_TRAP ||
+	     element == EL_TRAP_ACTIVE)
       CheckTrap(x, y);
-    else if (element == EL_SP_TERMINAL)
-      DrawGraphicAnimation(x, y, GFX2_SP_TERMINAL, 7, 12, ANIM_NORMAL);
-    else if (element == EL_SP_TERMINAL_ACTIVE)
-    {
-      DrawGraphicAnimation(x, y, GFX2_SP_TERMINAL_ACTIVE, 7, 4, ANIM_NORMAL);
-#if 0
-      if (!(FrameCounter % 4))
-	PlaySoundLevel(x, y, SND_SP_TERMINAL_ACTIVE);
-#endif
-    }
     else if (IS_BELT_ACTIVE(element))
       DrawBeltAnimation(x, y, element);
     else if (element == EL_SWITCHGATE_OPENING)
@@ -4867,24 +5355,18 @@ void GameActions()
       OpenTimegate(x, y);
     else if (element == EL_TIMEGATE_CLOSING)
       CloseTimegate(x, y);
-    else if (element == EL_EXTRA_TIME)
-      DrawGraphicAnimation(x, y, GFX_EXTRA_TIME, 6, 4, ANIM_NORMAL);
-    else if (element == EL_SHIELD_NORMAL)
-    {
-      DrawGraphicAnimation(x, y, GFX_SHIELD_PASSIVE, 6, 4, ANIM_NORMAL);
-#if 0
-      if (!(FrameCounter % 4))
-	PlaySoundLevel(x, y, SND_SHIELD_PASSIVE_ACTIVATED);
 #endif
-    }
-    else if (element == EL_SHIELD_DEADLY)
-    {
-      DrawGraphicAnimation(x, y, GFX_SHIELD_ACTIVE, 6, 4, ANIM_NORMAL);
-#if 0
-      if (!(FrameCounter % 4))
-	PlaySoundLevel(x, y, SND_SHIELD_DEADLY_ACTIVE);
+
+    else if (IS_AUTO_CHANGING(element))
+      ChangeElement(x, y);
+
+#if 1
+    else if (IS_ANIMATED(graphic))
+      DrawLevelGraphicAnimation(x, y, graphic);
 #endif
-    }
+
+    if (IS_BELT_ACTIVE(element))
+      PlaySoundLevelAction(x, y, SND_ACTION_ACTIVE);
 
     if (game.magic_wall_active)
     {
@@ -4938,8 +5420,8 @@ void GameActions()
 	  (element == EL_EMPTY ||
 	   element == EL_SAND ||
 	   element == EL_QUICKSAND_EMPTY ||
-	   element == EL_ACID_SPLASHING_LEFT ||
-	   element == EL_ACID_SPLASHING_RIGHT))
+	   element == EL_ACID_SPLASH_LEFT ||
+	   element == EL_ACID_SPLASH_RIGHT))
       {
 	if ((IN_LEV_FIELD(x, y-1) && Feld[x][y-1] == EL_AMOEBA_WET) ||
 	    (IN_LEV_FIELD(x-1, y) && Feld[x-1][y] == EL_AMOEBA_WET) ||
@@ -4966,7 +5448,7 @@ void GameActions()
       if (ExplodeField[x][y])
 	Explode(x, y, EX_PHASE_START, ExplodeField[x][y]);
       else if (element == EL_EXPLOSION)
-	Explode(x, y, Frame[x][y], EX_NORMAL);
+	Explode(x, y, ExplodePhase[x][y], EX_NORMAL);
 
       ExplodeField[x][y] = EX_NO_EXPLOSION;
     }
@@ -5021,22 +5503,7 @@ void GameActions()
     game.light_time_left--;
 
     if (game.light_time_left == 0)
-    {
-      for (y=0; y<lev_fieldy; y++) for (x=0; x<lev_fieldx; x++)
-      {
-	element = Feld[x][y];
-
-	if (element == EL_LIGHT_SWITCH_ACTIVE)
-	{
-	  Feld[x][y] = EL_LIGHT_SWITCH;
-	  DrawLevelField(x, y);
-	}
-	else if (element == EL_INVISIBLE_STEELWALL ||
-		 element == EL_INVISIBLE_WALL ||
-		 element == EL_INVISIBLE_SAND)
-	  DrawLevelField(x, y);
-      }
-    }
+      RedrawAllLightSwitchesAndInvisibleElements();
   }
 
   if (game.timegate_time_left > 0)
@@ -5053,9 +5520,9 @@ void GameActions()
 
     if (SHIELD_ON(player))
     {
-      if (player->shield_active_time_left)
+      if (player->shield_deadly_time_left)
 	PlaySoundLevel(player->jx, player->jy, SND_SHIELD_DEADLY_ACTIVE);
-      else if (player->shield_passive_time_left)
+      else if (player->shield_normal_time_left)
 	PlaySoundLevel(player->jx, player->jy, SND_SHIELD_NORMAL_ACTIVE);
     }
   }
@@ -5071,10 +5538,10 @@ void GameActions()
 
       if (SHIELD_ON(player))
       {
-	player->shield_passive_time_left--;
+	player->shield_normal_time_left--;
 
-	if (player->shield_active_time_left > 0)
-	  player->shield_active_time_left--;
+	if (player->shield_deadly_time_left > 0)
+	  player->shield_deadly_time_left--;
       }
     }
 
@@ -5178,6 +5645,7 @@ void ScrollLevel(int dx, int dy)
     for (y=BY1; y<=BY2; y++)
       DrawScreenField(x, y);
   }
+
   if (dy)
   {
     y = (dy == 1 ? BY1 : BY2);
@@ -5249,7 +5717,7 @@ boolean MoveFigureOneStep(struct PlayerInfo *player,
     if (element == EL_ACID && dx == 0 && dy == 1)
     {
       Blurb(jx, jy);
-      Feld[jx][jy] = EL_PLAYER;
+      Feld[jx][jy] = EL_PLAYER1;
       InitMovingField(jx, jy, MV_DOWN);
       Store[jx][jy] = EL_ACID;
       ContinueMoving(jx, jy);
@@ -5310,7 +5778,8 @@ boolean MoveFigure(struct PlayerInfo *player, int dx, int dy)
     int original_move_delay_value = player->move_delay_value;
 
 #if DEBUG
-    printf("THIS SHOULD ONLY HAPPEN WITH PRE-1.2 LEVEL TAPES.\n");
+    printf("THIS SHOULD ONLY HAPPEN WITH PRE-1.2 LEVEL TAPES. [%ld]\n",
+	   tape.counter);
 #endif
 
     /* scroll remaining steps with finest movement resolution */
@@ -5414,7 +5883,11 @@ boolean MoveFigure(struct PlayerInfo *player, int dx, int dy)
   if (!(moved & MF_MOVING) && !player->Pushing)
     player->Frame = 0;
   else
+#if 0
     player->Frame = (player->Frame + 1) % 4;
+#else
+    player->Frame += 1 * 0;
+#endif
 
   if (moved & MF_MOVING)
   {
@@ -5423,7 +5896,7 @@ boolean MoveFigure(struct PlayerInfo *player, int dx, int dy)
     else if (old_jx == jx && old_jy != jy)
       player->MovDir = (old_jy < jy ? MV_DOWN : MV_UP);
 
-    DrawLevelField(jx, jy);	/* for "ErdreichAnbroeckeln()" */
+    DrawLevelField(jx, jy);	/* for "DrawCrumbledSand()" */
 
     player->last_move_dir = player->MovDir;
     player->is_moving = TRUE;
@@ -5459,6 +5932,8 @@ void ScrollFigure(struct PlayerInfo *player, int mode)
   {
     player->actual_frame_counter = FrameCounter;
     player->GfxPos = move_stepsize * (player->MovPos / move_stepsize);
+    if (player->Frame)
+      player->Frame += 1;
 
     if (Feld[last_jx][last_jy] == EL_EMPTY)
       Feld[last_jx][last_jy] = EL_PLAYER_IS_LEAVING;
@@ -5471,6 +5946,7 @@ void ScrollFigure(struct PlayerInfo *player, int mode)
 
   player->MovPos += (player->MovPos > 0 ? -1 : 1) * move_stepsize;
   player->GfxPos = move_stepsize * (player->MovPos / move_stepsize);
+  player->Frame += 1;
 
   if (Feld[last_jx][last_jy] == EL_PLAYER_IS_LEAVING)
     Feld[last_jx][last_jy] = EL_EMPTY;
@@ -5593,7 +6069,7 @@ void TestIfGoodThingHitsBadThing(int good_x, int good_y, int good_move_dir)
     {
       struct PlayerInfo *player = PLAYERINFO(good_x, good_y);
 
-      if (player->shield_active_time_left > 0)
+      if (player->shield_deadly_time_left > 0)
 	Bang(kill_x, kill_y);
       else if (!PLAYER_PROTECTED(good_x, good_y))
 	KillHero(player);
@@ -5690,7 +6166,7 @@ void TestIfBadThingHitsGoodThing(int bad_x, int bad_y, int bad_move_dir)
 	;
 #endif
 
-      if (player->shield_active_time_left > 0)
+      if (player->shield_deadly_time_left > 0)
 	Bang(bad_x, bad_y);
       else if (!PLAYER_PROTECTED(kill_x, kill_y))
 	KillHero(player);
@@ -5775,8 +6251,8 @@ void KillHero(struct PlayerInfo *player)
     Feld[jx][jy] = EL_EMPTY;
 
   /* deactivate shield (else Bang()/Explode() would not work right) */
-  player->shield_passive_time_left = 0;
-  player->shield_active_time_left = 0;
+  player->shield_normal_time_left = 0;
+  player->shield_deadly_time_left = 0;
 
   Bang(jx, jy);
   BuryHero(player);
@@ -5885,9 +6361,11 @@ int DigField(struct PlayerInfo *player,
     case EL_EMPTY:
     case EL_SAND:
     case EL_INVISIBLE_SAND:
+    case EL_INVISIBLE_SAND_ACTIVE:
     case EL_TRAP:
     case EL_SP_BASE:
     case EL_SP_BUGGY_BASE:
+    case EL_SP_BUGGY_BASE_ACTIVATING:
       RemoveField(x, y);
       PlaySoundLevelElementAction(x, y, element, SND_ACTION_DIGGING);
       break;
@@ -5937,14 +6415,14 @@ int DigField(struct PlayerInfo *player,
 
     case EL_SHIELD_NORMAL:
       RemoveField(x, y);
-      player->shield_passive_time_left += 10;
+      player->shield_normal_time_left += 10;
       PlaySoundLevel(x, y, SND_SHIELD_NORMAL_COLLECTING);
       break;
 
     case EL_SHIELD_DEADLY:
       RemoveField(x, y);
-      player->shield_passive_time_left += 10;
-      player->shield_active_time_left += 10;
+      player->shield_normal_time_left += 10;
+      player->shield_deadly_time_left += 10;
       PlaySoundLevel(x, y, SND_SHIELD_DEADLY_COLLECTING);
       break;
 
@@ -5992,9 +6470,9 @@ int DigField(struct PlayerInfo *player,
       player->key[key_nr] = TRUE;
       RaiseScoreElement(element);
       DrawMiniGraphicExt(drawto, DX_KEYS + key_nr * MINI_TILEX, DY_KEYS,
-			 GFX_SCHLUESSEL1 + key_nr);
+			 IMG_KEY1 + key_nr);
       DrawMiniGraphicExt(window, DX_KEYS + key_nr * MINI_TILEX, DY_KEYS,
-			 GFX_SCHLUESSEL1 + key_nr);
+			 IMG_KEY1 + key_nr);
       PlaySoundLevel(x, y, SND_KEY_COLLECTING);
       break;
     }
@@ -6010,9 +6488,9 @@ int DigField(struct PlayerInfo *player,
       player->key[key_nr] = TRUE;
       RaiseScoreElement(element);
       DrawMiniGraphicExt(drawto, DX_KEYS + key_nr * MINI_TILEX, DY_KEYS,
-			 GFX_SCHLUESSEL1 + key_nr);
+			 IMG_KEY1 + key_nr);
       DrawMiniGraphicExt(window, DX_KEYS + key_nr * MINI_TILEX, DY_KEYS,
-			 GFX_SCHLUESSEL1 + key_nr);
+			 IMG_KEY1 + key_nr);
       PlaySoundLevel(x, y, SND_KEY_COLLECTING);
       break;
     }
@@ -6166,18 +6644,18 @@ int DigField(struct PlayerInfo *player,
       else
       {
 	RemoveField(x, y);
-	Feld[x+dx][y+dy] = element;
+	Feld[x + dx][y + dy] = element;
       }
 
       if (element == EL_SPRING)
       {
-	Feld[x+dx][y+dy] = EL_SPRING_MOVING;
-	MovDir[x+dx][y+dy] = move_direction;
+	Feld[x + dx][y + dy] = EL_SPRING;
+	MovDir[x + dx][y + dy] = move_direction;
       }
 
       player->push_delay_value = (element == EL_SPRING ? 0 : 2 + RND(8));
 
-      DrawLevelField(x+dx, y+dy);
+      DrawLevelField(x + dx, y + dy);
       PlaySoundLevelElementAction(x, y, element, SND_ACTION_PUSHING);
       break;
 
@@ -6442,7 +6920,7 @@ int DigField(struct PlayerInfo *player,
       player->push_delay_value = (element == EL_BALLOON ? 0 : 2);
 
       DrawLevelField(x, y);
-      DrawLevelField(x+dx, y+dy);
+      DrawLevelField(x + dx, y + dy);
 
       if (IS_SB_ELEMENT(element) &&
 	  local_player->sokobanfields_still_needed == 0 &&
@@ -6523,30 +7001,34 @@ boolean PlaceBomb(struct PlayerInfo *player)
   if (element != EL_EMPTY)
     Store[jx][jy] = element;
 
+  MovDelay[jx][jy] = 96;
+  GfxFrame[jx][jy] = 0;
+
   if (player->dynamite)
   {
     Feld[jx][jy] = EL_DYNAMITE_ACTIVE;
-    MovDelay[jx][jy] = 96;
     player->dynamite--;
+
     DrawText(DX_DYNAMITE, DY_DYNAMITE, int2str(local_player->dynamite, 3),
 	     FS_SMALL, FC_YELLOW);
     if (IN_SCR_FIELD(SCREENX(jx), SCREENY(jy)))
     {
       if (game.emulation == EMU_SUPAPLEX)
-	DrawGraphic(SCREENX(jx), SCREENY(jy), GFX_SP_DISK_RED);
+	DrawGraphic(SCREENX(jx), SCREENY(jy), IMG_SP_DISK_RED, 0);
       else
-	DrawGraphicThruMask(SCREENX(jx), SCREENY(jy), GFX_DYNAMIT);
+	DrawGraphicThruMask(SCREENX(jx), SCREENY(jy), IMG_DYNAMITE_ACTIVE, 0);
     }
 
     PlaySoundLevel(jx, jy, SND_DYNAMITE_DROPPING);
   }
   else
   {
-    Feld[jx][jy] = EL_DYNABOMB_ACTIVE_1 + (player->element_nr - EL_PLAYER1);
-    MovDelay[jx][jy] = 96;
+    Feld[jx][jy] =
+      EL_DYNABOMB_PLAYER1_ACTIVE + (player->element_nr - EL_PLAYER1);
     player->dynabombs_left--;
+
     if (IN_SCR_FIELD(SCREENX(jx), SCREENY(jy)))
-      DrawGraphicThruMask(SCREENX(jx), SCREENY(jy), GFX_DYNABOMB);
+      DrawGraphicThruMask(SCREENX(jx), SCREENY(jy), el2img(Feld[jx][jy]), 0);
 
     PlaySoundLevel(jx, jy, SND_DYNABOMB_DROPPING);
   }
@@ -6554,7 +7036,7 @@ boolean PlaceBomb(struct PlayerInfo *player)
   return TRUE;
 }
 
-void PlaySoundLevel(int x, int y, int nr)
+static void PlaySoundLevel(int x, int y, int nr)
 {
   static int loop_sound_frame[NUM_SOUND_FILES];
   static int loop_sound_volume[NUM_SOUND_FILES];
@@ -6601,12 +7083,22 @@ void PlaySoundLevel(int x, int y, int nr)
   PlaySoundExt(nr, volume, stereo_position, type);
 }
 
-void PlaySoundLevelAction(int x, int y, int sound_action)
+static void PlaySoundLevelNearest(int x, int y, int sound_action)
+{
+  PlaySoundLevel(x < LEVELX(BX1) ? LEVELX(BX1) :
+		 x > LEVELX(BX2) ? LEVELX(BX2) : x,
+		 y < LEVELY(BY1) ? LEVELY(BY1) :
+		 y > LEVELY(BY2) ? LEVELY(BY2) : y,
+		 sound_action);
+}
+
+static void PlaySoundLevelAction(int x, int y, int sound_action)
 {
   PlaySoundLevelElementAction(x, y, Feld[x][y], sound_action);
 }
 
-void PlaySoundLevelElementAction(int x, int y, int element, int sound_action)
+static void PlaySoundLevelElementAction(int x, int y, int element,
+					int sound_action)
 {
   int sound_effect = element_action_sound[element][sound_action];
 
@@ -6757,7 +7249,7 @@ void CreateGameButtons()
 
   for (i=0; i<NUM_GAME_BUTTONS; i++)
   {
-    Bitmap *gd_bitmap = pix[PIX_DOOR];
+    Bitmap *gd_bitmap = new_graphic_info[IMG_GLOBAL_DOOR].bitmap;
     struct GadgetInfo *gi;
     int button_type;
     boolean checked;
@@ -6817,6 +7309,14 @@ void CreateGameButtons()
   }
 }
 
+void FreeGameButtons()
+{
+  int i;
+
+  for (i=0; i<NUM_GAME_BUTTONS; i++)
+    FreeGadget(game_gadget[i]);
+}
+
 static void MapGameButtons()
 {
   int i;