X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Fgame.c;h=f0bf7dd9600b8bef766243fad5256c9fdd382372;hb=066b410c0573fe64a1783116daf9d64883e9f03e;hp=2fd57d065386332b48ac485ef92cf707fec8edd2;hpb=12d604d7378a05f91df4b061195a9943f2214da8;p=rocksndiamonds.git

diff --git a/src/game.c b/src/game.c
index 2fd57d06..f0bf7dd9 100644
--- a/src/game.c
+++ b/src/game.c
@@ -1,31 +1,32 @@
 /***********************************************************
-*  Rocks'n'Diamonds -- McDuffin Strikes Back!              *
+* Rocks'n'Diamonds -- McDuffin Strikes Back!               *
 *----------------------------------------------------------*
-*  (c) 1995-98 Artsoft Entertainment                       *
-*              Holger Schemel                              *
-*              Oststrasse 11a                              *
-*              33604 Bielefeld                             *
-*              phone: ++49 +521 290471                     *
-*              email: aeglos@valinor.owl.de                *
+* (c) 1995-2001 Artsoft Entertainment                      *
+*               Holger Schemel                             *
+*               Detmolder Strasse 189                      *
+*               33604 Bielefeld                            *
+*               Germany                                    *
+*               e-mail: info@artsoft.org                   *
 *----------------------------------------------------------*
-*  game.c                                                  *
+* game.c                                                   *
 ***********************************************************/
 
+#include "libgame/libgame.h"
+
 #include "game.h"
-#include "misc.h"
 #include "tools.h"
 #include "screens.h"
-#include "sound.h"
 #include "init.h"
-#include "buttons.h"
 #include "files.h"
 #include "tape.h"
-#include "joystick.h"
 #include "network.h"
 
 /* this switch controls how rocks move horizontally */
 #define OLD_GAME_BEHAVIOUR	FALSE
 
+/* EXPERIMENTAL STUFF */
+#define USE_NEW_AMOEBA_CODE	FALSE
+
 /* for DigField() */
 #define DF_NO_PUSH		0
 #define DF_DIG			1
@@ -42,9 +43,10 @@
 
 /* for Explode() */
 #define EX_PHASE_START		0
-#define EX_NORMAL		0
-#define EX_CENTER		1
-#define EX_BORDER		2
+#define EX_NO_EXPLOSION		0
+#define EX_NORMAL		1
+#define EX_CENTER		2
+#define EX_BORDER		3
 
 /* special positions in the game control window (relative to control window) */
 #define XX_LEVEL		37
@@ -101,7 +103,9 @@
 #define NUM_GAME_BUTTONS		6
 
 /* forward declaration for internal use */
+static void CloseAllOpenTimegates(void);
 static void CheckGravityMovement(struct PlayerInfo *);
+static void KillHeroUnlessProtected(int, int);
 
 static void MapGameButtons();
 static void HandleGameButtons(struct GadgetInfo *);
@@ -165,17 +169,21 @@ static unsigned int getStateCheckSum(int counter)
 
 void GetPlayerConfig()
 {
-  if (sound_status == SOUND_OFF)
+  if (!audio.sound_available)
     setup.sound = FALSE;
 
-  if (!sound_loops_allowed)
-  {
+  if (!audio.loops_available)
     setup.sound_loops = FALSE;
+
+  if (!audio.music_available)
     setup.sound_music = FALSE;
-  }
+
+  if (!video.fullscreen_available)
+    setup.fullscreen = FALSE;
 
   setup.sound_simple = setup.sound;
 
+  SetAudioMode(setup.sound);
   InitJoysticks();
 }
 
@@ -188,19 +196,19 @@ static int getBeltNrFromElement(int element)
 
 static int getBeltNrFromSwitchElement(int element)
 {
-  return (element < EL_BELT2_SWITCH_L ? 0 :
-	  element < EL_BELT3_SWITCH_L ? 1 :
-	  element < EL_BELT4_SWITCH_L ? 2 : 3);
+  return (element < EL_BELT2_SWITCH_LEFT ? 0 :
+	  element < EL_BELT3_SWITCH_LEFT ? 1 :
+	  element < EL_BELT4_SWITCH_LEFT ? 2 : 3);
 }
 
 static int getBeltDirNrFromSwitchElement(int element)
 {
   static int belt_base_element[4] =
   {
-    EL_BELT1_SWITCH_L,
-    EL_BELT2_SWITCH_L,
-    EL_BELT3_SWITCH_L,
-    EL_BELT4_SWITCH_L
+    EL_BELT1_SWITCH_LEFT,
+    EL_BELT2_SWITCH_LEFT,
+    EL_BELT3_SWITCH_LEFT,
+    EL_BELT4_SWITCH_LEFT
   };
 
   int belt_nr = getBeltNrFromSwitchElement(element);
@@ -227,8 +235,17 @@ static void InitField(int x, int y, boolean init_game)
 {
   switch (Feld[x][y])
   {
-    case EL_SPIELFIGUR:
     case EL_SP_MURPHY:
+      if (init_game)
+      {
+	if (stored_player[0].present)
+	{
+	  Feld[x][y] = EL_SP_MURPHY_CLONE;
+	  break;
+	}
+      }
+      /* no break! */
+    case EL_SPIELFIGUR:
       if (init_game)
 	Feld[x][y] = EL_SPIELER1;
       /* no break! */
@@ -253,7 +270,7 @@ static void InitField(int x, int y, boolean init_game)
 
 	  StorePlayer[x][y] = Feld[x][y];
 
-	  if (options.verbose)
+	  if (options.debug)
 	  {
 	    printf("Player %d activated.\n", player->element_nr);
 	    printf("[Local player is %d and currently %s.]\n",
@@ -281,36 +298,41 @@ static void InitField(int x, int y, boolean init_game)
 	Feld[x][y] = EL_BADEWANNE5;
       break;
 
-    case EL_KAEFER_R:
-    case EL_KAEFER_O:
-    case EL_KAEFER_L:
-    case EL_KAEFER_U:
+    case EL_KAEFER_RIGHT:
+    case EL_KAEFER_UP:
+    case EL_KAEFER_LEFT:
+    case EL_KAEFER_DOWN:
     case EL_KAEFER:
-    case EL_FLIEGER_R:
-    case EL_FLIEGER_O:
-    case EL_FLIEGER_L:
-    case EL_FLIEGER_U:
+    case EL_FLIEGER_RIGHT:
+    case EL_FLIEGER_UP:
+    case EL_FLIEGER_LEFT:
+    case EL_FLIEGER_DOWN:
     case EL_FLIEGER:
-    case EL_BUTTERFLY_R:
-    case EL_BUTTERFLY_O:
-    case EL_BUTTERFLY_L:
-    case EL_BUTTERFLY_U:
+    case EL_BUTTERFLY_RIGHT:
+    case EL_BUTTERFLY_UP:
+    case EL_BUTTERFLY_LEFT:
+    case EL_BUTTERFLY_DOWN:
     case EL_BUTTERFLY:
-    case EL_FIREFLY_R:
-    case EL_FIREFLY_O:
-    case EL_FIREFLY_L:
-    case EL_FIREFLY_U:
+    case EL_FIREFLY_RIGHT:
+    case EL_FIREFLY_UP:
+    case EL_FIREFLY_LEFT:
+    case EL_FIREFLY_DOWN:
     case EL_FIREFLY:
-    case EL_PACMAN_R:
-    case EL_PACMAN_O:
-    case EL_PACMAN_L:
-    case EL_PACMAN_U:
+    case EL_PACMAN_RIGHT:
+    case EL_PACMAN_UP:
+    case EL_PACMAN_LEFT:
+    case EL_PACMAN_DOWN:
     case EL_MAMPFER:
     case EL_MAMPFER2:
     case EL_ROBOT:
     case EL_PACMAN:
     case EL_SP_SNIKSNAK:
     case EL_SP_ELECTRON:
+    case EL_MOLE_LEFT:
+    case EL_MOLE_RIGHT:
+    case EL_MOLE_UP:
+    case EL_MOLE_DOWN:
+    case EL_MOLE:
       InitMovDir(x, y);
       break;
 
@@ -339,7 +361,6 @@ static void InitField(int x, int y, boolean init_game)
       local_player->sokobanfields_still_needed++;
       break;
 
-    case EL_MAULWURF:
     case EL_PINGUIN:
       local_player->friends_still_needed++;
       break;
@@ -366,18 +387,18 @@ static void InitField(int x, int y, boolean init_game)
       Feld[x][y] = EL_EM_KEY_4;
       break;
 
-    case EL_BELT1_SWITCH_L:
-    case EL_BELT1_SWITCH_M:
-    case EL_BELT1_SWITCH_R:
-    case EL_BELT2_SWITCH_L:
-    case EL_BELT2_SWITCH_M:
-    case EL_BELT2_SWITCH_R:
-    case EL_BELT3_SWITCH_L:
-    case EL_BELT3_SWITCH_M:
-    case EL_BELT3_SWITCH_R:
-    case EL_BELT4_SWITCH_L:
-    case EL_BELT4_SWITCH_M:
-    case EL_BELT4_SWITCH_R:
+    case EL_BELT1_SWITCH_LEFT:
+    case EL_BELT1_SWITCH_MIDDLE:
+    case EL_BELT1_SWITCH_RIGHT:
+    case EL_BELT2_SWITCH_LEFT:
+    case EL_BELT2_SWITCH_MIDDLE:
+    case EL_BELT2_SWITCH_RIGHT:
+    case EL_BELT3_SWITCH_LEFT:
+    case EL_BELT3_SWITCH_MIDDLE:
+    case EL_BELT3_SWITCH_RIGHT:
+    case EL_BELT4_SWITCH_LEFT:
+    case EL_BELT4_SWITCH_MIDDLE:
+    case EL_BELT4_SWITCH_RIGHT:
       if (init_game)
       {
 	int belt_nr = getBeltNrFromSwitchElement(Feld[x][y]);
@@ -394,6 +415,18 @@ static void InitField(int x, int y, boolean init_game)
 	  Feld[x][y] = Feld[x][y] - belt_dir_nr + game.belt_dir_nr[belt_nr];
 	}
       }
+      break;
+
+    case EL_SWITCHGATE_SWITCH_2:	/* always start with same switch pos */
+      if (init_game)
+	Feld[x][y] = EL_SWITCHGATE_SWITCH_1;
+      break;
+
+    case EL_LIGHT_SWITCH_ON:
+      if (init_game)
+	game.light_time_left = level.time_light * FRAMES_PER_SECOND;
+      break;
+
     default:
       break;
   }
@@ -406,6 +439,14 @@ void InitGame()
   boolean emulate_sb = TRUE;	/* unless non-SOKOBAN     elements found */
   boolean emulate_sp = TRUE;	/* unless non-SUPAPLEX    elements found */
 
+#if DEBUG
+#if USE_NEW_AMOEBA_CODE
+  printf("Using new amoeba code.\n");
+#else
+  printf("Using old amoeba code.\n");
+#endif
+#endif
+
   /* don't play tapes over network */
   network_playing = (options.network && !tape.playing);
 
@@ -454,6 +495,7 @@ void InitGame()
 
     player->move_delay = 0;
     player->last_move_dir = MV_NO_MOVING;
+    player->is_moving = FALSE;
 
     player->move_delay_value =
       (level.double_speed ? MOVE_DELAY_HIGH_SPEED : MOVE_DELAY_NORMAL_SPEED);
@@ -463,6 +505,9 @@ 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;
+
     DigField(player, 0, 0, 0, 0, DF_NO_PUSH);
     SnapField(player, 0, 0);
 
@@ -472,7 +517,7 @@ void InitGame()
 
   network_player_action_received = FALSE;
 
-#ifndef MSDOS
+#if defined(PLATFORM_UNIX)
   /* initial null action */
   if (network_playing)
     SendToServer_MovePlayer(MV_NO_MOVING);
@@ -480,7 +525,6 @@ void InitGame()
 
   ZX = ZY = -1;
 
-  game.yam_content_nr = 0;
   FrameCounter = 0;
   TimeFrames = 0;
   TimePlayed = 0;
@@ -493,12 +537,20 @@ void InitGame()
   ScrollStepSize = 0;	/* will be correctly initialized by ScrollScreen() */
 
   AllPlayersGone = FALSE;
+
+  game.yam_content_nr = 0;
   game.magic_wall_active = FALSE;
   game.magic_wall_time_left = 0;
+  game.light_time_left = 0;
+  game.timegate_time_left = 0;
+  game.switchgate_pos = 0;
+  game.balloon_dir = MV_NO_MOVING;
+  game.explosions_delayed = TRUE;
+
   for (i=0; i<4; i++)
   {
     game.belt_dir[i] = MV_NO_MOVING;
-    game.belt_dir_nr[i] = 3;		/* no moving, next switch left */
+    game.belt_dir_nr[i] = 3;		/* not moving, next moving left */
   }
 
   for (i=0; i<MAX_NUM_AMOEBA; i++)
@@ -515,6 +567,7 @@ void InitGame()
       AmoebaNr[x][y] = 0;
       JustStopped[x][y] = 0;
       Stop[x][y] = FALSE;
+      ExplodeField[x][y] = EX_NO_EXPLOSION;
     }
   }
 
@@ -533,6 +586,11 @@ void InitGame()
     }
   }
 
+  /* correct non-moving belts to start moving left */
+  for (i=0; i<4; i++)
+    if (game.belt_dir[i] == MV_NO_MOVING)
+      game.belt_dir_nr[i] = 3;		/* not moving, next moving left */
+
   /* check if any connected player was not found in playfield */
   for (i=0; i<MAX_PLAYERS; i++)
   {
@@ -611,7 +669,7 @@ void InitGame()
 	tape.player_participates[i] = TRUE;
   }
 
-  if (options.verbose)
+  if (options.debug)
   {
     for (i=0; i<MAX_PLAYERS; i++)
     {
@@ -627,10 +685,49 @@ void InitGame()
     }
   }
 
+  game.version = (tape.playing ? tape.game_version : level.game_version);
   game.emulation = (emulate_bd ? EMU_BOULDERDASH :
 		    emulate_sb ? EMU_SOKOBAN :
 		    emulate_sp ? EMU_SUPAPLEX : EMU_NONE);
 
+  /* dynamically adjust element properties according to game engine version */
+  {
+    static int ep_em_slippery_wall[] =
+    {
+      EL_BETON,
+      EL_MAUERWERK,
+      EL_MAUER_LEBT,
+      EL_MAUER_X,
+      EL_MAUER_Y,
+      EL_MAUER_XY
+    };
+#if 1
+    static int ep_em_slippery_wall_num = SIZEOF_ARRAY_INT(ep_em_slippery_wall);
+#else
+    static int ep_em_slippery_wall_num =
+      sizeof(ep_em_slippery_wall) / sizeof(int);
+#endif
+
+    /*
+    printf("level %d: game.version == %06d\n", level_nr, level.game_version);
+    printf("         file_version == %06d\n", level.file_version);
+    */
+
+    for (i=0; i<ep_em_slippery_wall_num; i++)
+    {
+#if 1
+      if (level.em_slippery_gems)	/* special EM style gems behaviour */
+#else
+      if (game.version >= GAME_VERSION_2_0)
+#endif
+	Elementeigenschaften2[ep_em_slippery_wall[i]] |=
+	  EP_BIT_EM_SLIPPERY_WALL;
+      else
+	Elementeigenschaften2[ep_em_slippery_wall[i]] &=
+	  ~EP_BIT_EM_SLIPPERY_WALL;
+    }
+  }
+
   if (BorderElement == EL_LEERRAUM)
   {
     SBX_Left = 0;
@@ -669,27 +766,30 @@ void InitGame()
   DrawAllPlayers();
   FadeToFront();
 
+  /* after drawing the level, correct some elements */
+  if (game.timegate_time_left == 0)
+    CloseAllOpenTimegates();
+
   if (setup.soft_scrolling)
-    XCopyArea(display, fieldbuffer, backbuffer, gc,
-	      FX, FY, SXSIZE, SYSIZE, SX, SY);
+    BlitBitmap(fieldbuffer, backbuffer, FX, FY, SXSIZE, SYSIZE, SX, SY);
 
   redraw_mask |= REDRAW_FROM_BACKBUFFER;
 
   /* copy default game door content to main double buffer */
-  XCopyArea(display, pix[PIX_DOOR], drawto, gc,
-	    DOOR_GFX_PAGEX5, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
+  BlitBitmap(pix[PIX_DOOR], drawto,
+	     DOOR_GFX_PAGEX5, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
 
   if (level_nr < 100)
     DrawText(DX + XX_LEVEL, DY + YY_LEVEL,
 	     int2str(level_nr, 2), FS_SMALL, FC_YELLOW);
   else
   {
-    DrawTextExt(drawto, gc, DX + XX_EMERALDS, DY + YY_EMERALDS,
+    DrawTextExt(drawto, DX + XX_EMERALDS, DY + YY_EMERALDS,
 		int2str(level_nr, 3), FS_SMALL, FC_SPECIAL3);
-    XCopyArea(display, drawto, drawto, gc,
-	      DX + XX_EMERALDS, DY + YY_EMERALDS + 1,
-	      FONT5_XSIZE * 3, FONT5_YSIZE - 1,
-	      DX + XX_LEVEL - 1, DY + YY_LEVEL + 1);
+    BlitBitmap(drawto, drawto,
+	       DX + XX_EMERALDS, DY + YY_EMERALDS + 1,
+	       FONT5_XSIZE * 3, FONT5_YSIZE - 1,
+	       DX + XX_LEVEL - 1, DY + YY_LEVEL + 1);
   }
 
   DrawText(DX + XX_EMERALDS, DY + YY_EMERALDS,
@@ -702,6 +802,7 @@ void InitGame()
 	   int2str(TimeLeft, 3), FS_SMALL, FC_YELLOW);
 
   UnmapGameButtons();
+  UnmapTapeButtons();
   game_gadget[SOUND_CTRL_ID_MUSIC]->checked = setup.sound_music;
   game_gadget[SOUND_CTRL_ID_LOOPS]->checked = setup.sound_loops;
   game_gadget[SOUND_CTRL_ID_SIMPLE]->checked = setup.sound_simple;
@@ -709,17 +810,17 @@ void InitGame()
   MapTapeButtons();
 
   /* copy actual game door content to door double buffer for OpenDoor() */
-  XCopyArea(display, drawto, pix[PIX_DB_DOOR], gc,
-	    DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
+  BlitBitmap(drawto, pix[PIX_DB_DOOR],
+	     DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
 
   OpenDoor(DOOR_OPEN_ALL);
 
-  if (setup.sound_music)
-    PlaySoundLoop(background_loop[level_nr % num_bg_loops]);
+  if (setup.sound_music && num_bg_loops)
+    PlayMusic(level_nr % num_bg_loops);
 
-  XAutoRepeatOff(display);
+  KeyboardAutoRepeatOff();
 
-  if (options.verbose)
+  if (options.debug)
   {
     for (i=0; i<4; i++)
       printf("Player %d %sactive.\n",
@@ -737,52 +838,53 @@ void InitMovDir(int x, int y)
     {  0, -1 },
     { -1,  0 }
   };
-  static int direction[2][4] =
+  static int direction[3][4] =
   {
     { MV_RIGHT, MV_UP,   MV_LEFT,  MV_DOWN },
-    { MV_LEFT,  MV_DOWN, MV_RIGHT, MV_UP }
+    { MV_LEFT,  MV_DOWN, MV_RIGHT, MV_UP },
+    { MV_LEFT,  MV_RIGHT, MV_UP, MV_DOWN }
   };
 
   switch(element)
   {
-    case EL_KAEFER_R:
-    case EL_KAEFER_O:
-    case EL_KAEFER_L:
-    case EL_KAEFER_U:
+    case EL_KAEFER_RIGHT:
+    case EL_KAEFER_UP:
+    case EL_KAEFER_LEFT:
+    case EL_KAEFER_DOWN:
       Feld[x][y] = EL_KAEFER;
-      MovDir[x][y] = direction[0][element - EL_KAEFER_R];
+      MovDir[x][y] = direction[0][element - EL_KAEFER_RIGHT];
       break;
 
-    case EL_FLIEGER_R:
-    case EL_FLIEGER_O:
-    case EL_FLIEGER_L:
-    case EL_FLIEGER_U:
+    case EL_FLIEGER_RIGHT:
+    case EL_FLIEGER_UP:
+    case EL_FLIEGER_LEFT:
+    case EL_FLIEGER_DOWN:
       Feld[x][y] = EL_FLIEGER;
-      MovDir[x][y] = direction[0][element - EL_FLIEGER_R];
+      MovDir[x][y] = direction[0][element - EL_FLIEGER_RIGHT];
       break;
 
-    case EL_BUTTERFLY_R:
-    case EL_BUTTERFLY_O:
-    case EL_BUTTERFLY_L:
-    case EL_BUTTERFLY_U:
+    case EL_BUTTERFLY_RIGHT:
+    case EL_BUTTERFLY_UP:
+    case EL_BUTTERFLY_LEFT:
+    case EL_BUTTERFLY_DOWN:
       Feld[x][y] = EL_BUTTERFLY;
-      MovDir[x][y] = direction[0][element - EL_BUTTERFLY_R];
+      MovDir[x][y] = direction[0][element - EL_BUTTERFLY_RIGHT];
       break;
 
-    case EL_FIREFLY_R:
-    case EL_FIREFLY_O:
-    case EL_FIREFLY_L:
-    case EL_FIREFLY_U:
+    case EL_FIREFLY_RIGHT:
+    case EL_FIREFLY_UP:
+    case EL_FIREFLY_LEFT:
+    case EL_FIREFLY_DOWN:
       Feld[x][y] = EL_FIREFLY;
-      MovDir[x][y] = direction[0][element - EL_FIREFLY_R];
+      MovDir[x][y] = direction[0][element - EL_FIREFLY_RIGHT];
       break;
 
-    case EL_PACMAN_R:
-    case EL_PACMAN_O:
-    case EL_PACMAN_L:
-    case EL_PACMAN_U:
+    case EL_PACMAN_RIGHT:
+    case EL_PACMAN_UP:
+    case EL_PACMAN_LEFT:
+    case EL_PACMAN_DOWN:
       Feld[x][y] = EL_PACMAN;
-      MovDir[x][y] = direction[0][element - EL_PACMAN_R];
+      MovDir[x][y] = direction[0][element - EL_PACMAN_RIGHT];
       break;
 
     case EL_SP_SNIKSNAK:
@@ -793,6 +895,14 @@ void InitMovDir(int x, int y)
       MovDir[x][y] = MV_LEFT;
       break;
 
+    case EL_MOLE_LEFT:
+    case EL_MOLE_RIGHT:
+    case EL_MOLE_UP:
+    case EL_MOLE_DOWN:
+      Feld[x][y] = EL_MOLE;
+      MovDir[x][y] = direction[2][element - EL_MOLE_LEFT];
+      break;
+
     default:
       MovDir[x][y] = 1 << RND(4);
       if (element != EL_KAEFER &&
@@ -850,7 +960,7 @@ void InitAmoebaNr(int x, int y)
 void GameWon()
 {
   int hi_pos;
-  int bumplevel = FALSE;
+  boolean raise_level = FALSE;
 
   if (local_player->MovPos)
     return;
@@ -859,12 +969,12 @@ void GameWon()
 
   if (TimeLeft)
   {
-    if (setup.sound_loops)
+    if (!tape.playing && setup.sound_loops)
       PlaySoundExt(SND_SIRR, PSND_MAX_VOLUME, PSND_MAX_RIGHT, PSND_LOOP);
 
     while(TimeLeft > 0)
     {
-      if (!setup.sound_loops)
+      if (!tape.playing && !setup.sound_loops)
 	PlaySoundStereo(SND_SIRR, PSND_MAX_RIGHT);
       if (TimeLeft > 0 && !(TimeLeft % 10))
 	RaiseScore(level.score[SC_ZEITBONUS]);
@@ -874,20 +984,22 @@ void GameWon()
 	TimeLeft--;
       DrawText(DX_TIME, DY_TIME, int2str(TimeLeft, 3), FS_SMALL, FC_YELLOW);
       BackToFront();
-      Delay(10);
+
+      if (!tape.playing)
+	Delay(10);
     }
 
-    if (setup.sound_loops)
+    if (!tape.playing && setup.sound_loops)
       StopSound(SND_SIRR);
   }
   else if (level.time == 0)		/* level without time limit */
   {
-    if (setup.sound_loops)
+    if (!tape.playing && setup.sound_loops)
       PlaySoundExt(SND_SIRR, PSND_MAX_VOLUME, PSND_MAX_RIGHT, PSND_LOOP);
 
     while(TimePlayed < 999)
     {
-      if (!setup.sound_loops)
+      if (!tape.playing && !setup.sound_loops)
 	PlaySoundStereo(SND_SIRR, PSND_MAX_RIGHT);
       if (TimePlayed < 999 && !(TimePlayed % 10))
 	RaiseScore(level.score[SC_ZEITBONUS]);
@@ -897,14 +1009,18 @@ void GameWon()
 	TimePlayed++;
       DrawText(DX_TIME, DY_TIME, int2str(TimePlayed, 3), FS_SMALL, FC_YELLOW);
       BackToFront();
-      Delay(10);
+
+      if (!tape.playing)
+	Delay(10);
     }
 
-    if (setup.sound_loops)
+    if (!tape.playing && setup.sound_loops)
       StopSound(SND_SIRR);
   }
 
+#if 0
   FadeSounds();
+#endif
 
   /* Hero disappears */
   DrawLevelField(ExitX, ExitY);
@@ -921,18 +1037,35 @@ void GameWon()
     SaveTape(tape.level_nr);		/* Ask to save tape */
   }
 
+  if (level_nr == leveldir_current->handicap_level)
+  {
+    leveldir_current->handicap_level++;
+    SaveLevelSetup_SeriesInfo();
+  }
+
+  if (level_editor_test_game)
+    local_player->score = -1;	/* no highscore when playing from editor */
+  else if (level_nr < leveldir_current->last_level)
+    raise_level = TRUE;		/* advance to next level */
+
   if ((hi_pos = NewHiScore()) >= 0) 
   {
     game_status = HALLOFFAME;
     DrawHallOfFame(hi_pos);
-    if (bumplevel && TAPE_IS_EMPTY(tape))
+    if (raise_level)
+    {
       level_nr++;
+      TapeErase();
+    }
   }
   else
   {
     game_status = MAINMENU;
-    if (bumplevel && TAPE_IS_EMPTY(tape))
+    if (raise_level)
+    {
       level_nr++;
+      TapeErase();
+    }
     DrawMainMenu();
   }
 
@@ -1105,17 +1238,16 @@ void RemoveMovingField(int x, int y)
   }
 
   if (Feld[x][y] == EL_BLOCKED &&
-      (Store[oldx][oldy] == EL_MORAST_LEER ||
-       Store[oldx][oldy] == EL_SIEB_LEER ||
-       Store[oldx][oldy] == EL_SIEB2_LEER ||
-       Store[oldx][oldy] == EL_AMOEBE_NASS))
-  {
-    Feld[oldx][oldy] = Store[oldx][oldy];
-    Store[oldx][oldy] = Store2[oldx][oldy] = 0;
-  }
+      (Feld[oldx][oldy] == EL_QUICKSAND_EMPTYING ||
+       Feld[oldx][oldy] == EL_MAGIC_WALL_EMPTYING ||
+       Feld[oldx][oldy] == EL_MAGIC_WALL_BD_EMPTYING ||
+       Feld[oldx][oldy] == EL_AMOEBA_DRIPPING))
+    Feld[oldx][oldy] = get_next_element(Feld[oldx][oldy]);
   else
     Feld[oldx][oldy] = EL_LEERRAUM;
 
+  Store[oldx][oldy] = Store2[oldx][oldy] = 0;
+
   Feld[newx][newy] = EL_LEERRAUM;
   MovPos[oldx][oldy] = MovDir[oldx][oldy] = MovDelay[oldx][oldy] = 0;
   MovPos[newx][newy] = MovDir[newx][newy] = MovDelay[newx][newy] = 0;
@@ -1184,11 +1316,17 @@ void CheckDynamite(int x, int y)
 void Explode(int ex, int ey, int phase, int mode)
 {
   int x, y;
-  int num_phase = 9, delay = 2;
+  int num_phase = 9, delay = (game.emulation == EMU_SUPAPLEX ? 3 : 2);
   int last_phase = num_phase * delay;
   int half_phase = (num_phase / 2) * delay;
   int first_phase_after_start = EX_PHASE_START + 1;
 
+  if (game.explosions_delayed)
+  {
+    ExplodeField[ex][ey] = mode;
+    return;
+  }
+
   if (phase == EX_PHASE_START)		/* initialize 'Store[][]' field */
   {
     int center_element = Feld[ex][ey];
@@ -1221,10 +1359,22 @@ void Explode(int ex, int ey, int phase, int mode)
       if (IS_MASSIVE(element) || element == EL_BURNING)
 	continue;
 
+      if (IS_PLAYER(x, y) && SHIELD_ON(PLAYERINFO(x, y)))
+      {
+	if (IS_ACTIVE_BOMB(element))
+	{
+	  /* re-activate things under the bomb like gate or penguin */
+	  Feld[x][y] = (Store[x][y] ? Store[x][y] : EL_LEERRAUM);
+	  Store[x][y] = 0;
+	}
+
+	continue;
+      }
+
       if (element == EL_EXPLODING)
 	element = Store2[x][y];
 
-      if (IS_PLAYER(ex, ey))
+      if (IS_PLAYER(ex, ey) && !PLAYER_PROTECTED(ex, ey))
       {
 	switch(StorePlayer[ex][ey])
 	{
@@ -1246,7 +1396,7 @@ void Explode(int ex, int ey, int phase, int mode)
 	if (game.emulation == EMU_SUPAPLEX)
 	  Store[x][y] = EL_LEERRAUM;
       }
-      else if (center_element == EL_MAULWURF)
+      else if (center_element == EL_MOLE)
 	Store[x][y] = EL_EDELSTEIN_ROT;
       else if (center_element == EL_PINGUIN)
 	Store[x][y] = EL_EDELSTEIN_LILA;
@@ -1272,6 +1422,10 @@ void Explode(int ex, int ey, int phase, int mode)
 	Store[x][y] = EL_EDELSTEIN_ROT;
       else if (element == EL_ERZ_EDEL_LILA)
 	Store[x][y] = EL_EDELSTEIN_LILA;
+      else if (element == EL_WALL_PEARL)
+	Store[x][y] = EL_PEARL;
+      else if (element == EL_WALL_CRYSTAL)
+	Store[x][y] = EL_CRYSTAL;
       else if (!IS_PFORTE(Store[x][y]))
 	Store[x][y] = EL_LEERRAUM;
 
@@ -1325,7 +1479,7 @@ void Explode(int ex, int ey, int phase, int mode)
     int element = Store2[x][y];
 
     if (IS_PLAYER(x, y))
-      KillHero(PLAYERINFO(x, y));
+      KillHeroUnlessProtected(x, y);
     else if (IS_EXPLOSIVE(element))
     {
       Feld[x][y] = Store2[x][y];
@@ -1347,6 +1501,9 @@ void Explode(int ex, int ey, int phase, int mode)
     if (CAN_MOVE(element) || COULD_MOVE(element))
       InitMovDir(x, y);
     DrawLevelField(x, y);
+
+    if (IS_PLAYER(x, y) && !PLAYERINFO(x,y)->present)
+      StorePlayer[x][y] = 0;
   }
   else if (!(phase % delay) && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
   {
@@ -1360,7 +1517,15 @@ void Explode(int ex, int ey, int phase, int mode)
     if (phase == delay)
       ErdreichAnbroeckeln(SCREENX(x), SCREENY(y));
 
-    DrawGraphic(SCREENX(x), SCREENY(y), graphic + (phase / delay - 1));
+    graphic += (phase / delay - 1);
+
+    if (IS_PFORTE(Store[x][y]))
+    {
+      DrawLevelElement(x, y, Store[x][y]);
+      DrawGraphicThruMask(SCREENX(x), SCREENY(y), graphic);
+    }
+    else
+      DrawGraphic(SCREENX(x), SCREENY(y), graphic);
   }
 }
 
@@ -1425,8 +1590,10 @@ void Bang(int x, int y)
   else
     PlaySoundLevel(x, y, SND_ROAAAR);
 
+#if 0
   if (IS_PLAYER(x, y))	/* remove objects that might cause smaller explosion */
     element = EL_LEERRAUM;
+#endif
 
   switch(element)
   {
@@ -1438,6 +1605,7 @@ void Bang(int x, int y)
     case EL_MAMPFER2:
     case EL_ROBOT:
     case EL_PACMAN:
+    case EL_MOLE:
       RaiseScoreElement(element);
       Explode(x, y, EX_PHASE_START, EX_NORMAL);
       break;
@@ -1450,11 +1618,13 @@ void Bang(int x, int y)
     case EL_DYNABOMB_XL:
       DynaExplode(x, y);
       break;
-    case EL_MAULWURF:
     case EL_PINGUIN:
     case EL_BIRNE_AUS:
     case EL_BIRNE_EIN:
-      Explode(x, y, EX_PHASE_START, EX_CENTER);
+      if (IS_PLAYER(x, y))
+	Explode(x, y, EX_PHASE_START, EX_NORMAL);
+      else
+	Explode(x, y, EX_PHASE_START, EX_CENTER);
       break;
     default:
       Explode(x, y, EX_PHASE_START, EX_NORMAL);
@@ -1504,6 +1674,174 @@ void Blurb(int x, int y)
   }
 }
 
+static void ToggleBeltSwitch(int x, int y)
+{
+  static int belt_base_element[4] =
+  {
+    EL_BELT1_SWITCH_LEFT,
+    EL_BELT2_SWITCH_LEFT,
+    EL_BELT3_SWITCH_LEFT,
+    EL_BELT4_SWITCH_LEFT
+  };
+  static int belt_move_dir[4] =
+  {
+    MV_LEFT,
+    MV_NO_MOVING,
+    MV_RIGHT,
+    MV_NO_MOVING,
+  };
+
+  int element = Feld[x][y];
+  int belt_nr = getBeltNrFromSwitchElement(element);
+  int belt_dir_nr = (game.belt_dir_nr[belt_nr] + 1) % 4;
+  int belt_dir = belt_move_dir[belt_dir_nr];
+  int xx, yy;
+
+  if (!IS_BELT_SWITCH(element))
+    return;
+
+  game.belt_dir_nr[belt_nr] = belt_dir_nr;
+  game.belt_dir[belt_nr] = belt_dir;
+
+  if (belt_dir_nr == 3)
+    belt_dir_nr = 1;
+
+  for (yy=0; yy<lev_fieldy; yy++)
+  {
+    for (xx=0; xx<lev_fieldx; xx++)
+    {
+      int element = Feld[xx][yy];
+
+      if (IS_BELT_SWITCH(element))
+      {
+	int e_belt_nr = getBeltNrFromSwitchElement(element);
+
+	if (e_belt_nr == belt_nr)
+	{
+	  Feld[xx][yy] = belt_base_element[belt_nr] + belt_dir_nr;
+	  DrawLevelField(xx, yy);
+	}
+      }
+      else if (belt_dir == MV_NO_MOVING && IS_BELT(element))
+      {
+	int e_belt_nr = getBeltNrFromElement(element);
+
+	if (e_belt_nr == belt_nr)
+	  DrawLevelField(xx, yy);    /* set belt to parking position */
+      }
+    }
+  }
+}
+
+static void ToggleSwitchgateSwitch(int x, int y)
+{
+  int xx, yy;
+
+  game.switchgate_pos = !game.switchgate_pos;
+
+  for (yy=0; yy<lev_fieldy; yy++)
+  {
+    for (xx=0; xx<lev_fieldx; xx++)
+    {
+      int element = Feld[xx][yy];
+
+      if (element == EL_SWITCHGATE_SWITCH_1 ||
+	  element == EL_SWITCHGATE_SWITCH_2)
+      {
+	Feld[xx][yy] = EL_SWITCHGATE_SWITCH_1 + game.switchgate_pos;
+	DrawLevelField(xx, yy);
+      }
+      else if (element == EL_SWITCHGATE_OPEN ||
+	       element == EL_SWITCHGATE_OPENING)
+      {
+	Feld[xx][yy] = EL_SWITCHGATE_CLOSING;
+	PlaySoundLevel(xx, yy, SND_OEFFNEN);
+      }
+      else if (element == EL_SWITCHGATE_CLOSED ||
+	       element == EL_SWITCHGATE_CLOSING)
+      {
+	Feld[xx][yy] = EL_SWITCHGATE_OPENING;
+	PlaySoundLevel(xx, yy, SND_OEFFNEN);
+      }
+    }
+  }
+}
+
+static void RedrawAllLightSwitchesAndInvisibleElements()
+{
+  int x, y;
+
+  for (y=0; y<lev_fieldy; y++)
+  {
+    for (x=0; x<lev_fieldx; x++)
+    {
+      int element = Feld[x][y];
+
+      if (element == EL_LIGHT_SWITCH_OFF &&
+	  game.light_time_left > 0)
+      {
+	Feld[x][y] = EL_LIGHT_SWITCH_ON;
+	DrawLevelField(x, y);
+      }
+      else if (element == EL_LIGHT_SWITCH_ON &&
+	       game.light_time_left == 0)
+      {
+	Feld[x][y] = EL_LIGHT_SWITCH_OFF;
+	DrawLevelField(x, y);
+      }
+
+      if (element == EL_INVISIBLE_STEEL ||
+	  element == EL_UNSICHTBAR ||
+	  element == EL_SAND_INVISIBLE)
+	DrawLevelField(x, y);
+    }
+  }
+}
+
+static void ToggleLightSwitch(int x, int y)
+{
+  int element = Feld[x][y];
+
+  game.light_time_left =
+    (element == EL_LIGHT_SWITCH_OFF ?
+     level.time_light * FRAMES_PER_SECOND : 0);
+
+  RedrawAllLightSwitchesAndInvisibleElements();
+}
+
+static void ActivateTimegateSwitch(int x, int y)
+{
+  int xx, yy;
+
+  game.timegate_time_left = level.time_timegate * FRAMES_PER_SECOND;
+
+  for (yy=0; yy<lev_fieldy; yy++)
+  {
+    for (xx=0; xx<lev_fieldx; xx++)
+    {
+      int element = Feld[xx][yy];
+
+      if (element == EL_TIMEGATE_CLOSED ||
+	  element == EL_TIMEGATE_CLOSING)
+      {
+	Feld[xx][yy] = EL_TIMEGATE_OPENING;
+	PlaySoundLevel(xx, yy, SND_OEFFNEN);
+      }
+
+      /*
+      else if (element == EL_TIMEGATE_SWITCH_ON)
+      {
+	Feld[xx][yy] = EL_TIMEGATE_SWITCH_OFF;
+	DrawLevelField(xx, yy);
+      }
+      */
+
+    }
+  }
+
+  Feld[x][y] = EL_TIMEGATE_SWITCH_ON;
+}
+
 void Impact(int x, int y)
 {
   boolean lastline = (y == lev_fieldy-1);
@@ -1529,18 +1867,26 @@ void Impact(int x, int y)
     return;
   }
 
-  if ((element == EL_BOMBE || element == EL_SP_DISK_ORANGE) &&
+  if ((element == EL_BOMBE ||
+       element == EL_SP_DISK_ORANGE ||
+       element == EL_DX_SUPABOMB) &&
       (lastline || object_hit))	/* element is bomb */
   {
     Bang(x, y);
     return;
   }
+  else if (element == EL_PEARL)
+  {
+    Feld[x][y] = EL_PEARL_BREAKING;
+    PlaySoundLevel(x, y, SND_KNACK);
+    return;
+  }
 
   if (element == EL_TROPFEN && (lastline || object_hit))	/* acid drop */
   {
     if (object_hit && IS_PLAYER(x, y+1))
-      KillHero(PLAYERINFO(x, y+1));
-    else if (object_hit && (smashed == EL_MAULWURF || smashed == EL_PINGUIN))
+      KillHeroUnlessProtected(x, y+1);
+    else if (object_hit && smashed == EL_PINGUIN)
       Bang(x, y+1);
     else
     {
@@ -1553,11 +1899,12 @@ void Impact(int x, int y)
   if (!lastline && object_hit)		/* check which object was hit */
   {
     if (CAN_CHANGE(element) && 
-	(smashed == EL_SIEB_INAKTIV || smashed == EL_SIEB2_INAKTIV))
+	(smashed == EL_MAGIC_WALL_OFF || smashed == EL_MAGIC_WALL_BD_OFF))
     {
       int x, y;
       int activated_magic_wall =
-	(smashed == EL_SIEB_INAKTIV ? EL_SIEB_LEER : EL_SIEB2_LEER);
+	(smashed == EL_MAGIC_WALL_OFF ? EL_MAGIC_WALL_EMPTY :
+	 EL_MAGIC_WALL_BD_EMPTY);
 
       /* activate magic wall / mill */
 
@@ -1572,10 +1919,10 @@ void Impact(int x, int y)
 
     if (IS_PLAYER(x, y+1))
     {
-      KillHero(PLAYERINFO(x, y+1));
+      KillHeroUnlessProtected(x, y+1);
       return;
     }
-    else if (smashed == EL_MAULWURF || smashed == EL_PINGUIN)
+    else if (smashed == EL_PINGUIN)
     {
       Bang(x, y+1);
       return;
@@ -1588,11 +1935,22 @@ void Impact(int x, int y)
 	return;
       }
     }
-    else if (element == EL_FELSBROCKEN || element == EL_SP_ZONK)
+    else if ((element == EL_SP_INFOTRON || element == EL_SP_ZONK) &&
+	     (smashed == EL_SP_SNIKSNAK || smashed == EL_SP_ELECTRON ||
+	      smashed == EL_SP_DISK_ORANGE))
+    {
+      Bang(x, y+1);
+      return;
+    }
+    else if (element == EL_FELSBROCKEN ||
+	     element == EL_SP_ZONK ||
+	     element == EL_BD_ROCK)
     {
       if (IS_ENEMY(smashed) ||
 	  smashed == EL_BOMBE || smashed == EL_SP_DISK_ORANGE ||
-	  smashed == EL_SONDE || smashed == EL_SCHWEIN || smashed == EL_DRACHE)
+	  smashed == EL_DX_SUPABOMB ||
+	  smashed == EL_SONDE || smashed == EL_SCHWEIN ||
+	  smashed == EL_DRACHE || smashed == EL_MOLE)
       {
 	Bang(x, y+1);
 	return;
@@ -1611,19 +1969,40 @@ void Impact(int x, int y)
 	  RaiseScoreElement(EL_KOKOSNUSS);
 	  return;
 	}
+	else if (smashed == EL_PEARL)
+	{
+	  Feld[x][y+1] = EL_PEARL_BREAKING;
+	  PlaySoundLevel(x, y, SND_KNACK);
+	  return;
+	}
 	else if (smashed == EL_DIAMANT)
 	{
 	  Feld[x][y+1] = EL_LEERRAUM;
 	  PlaySoundLevel(x, y, SND_QUIRK);
 	  return;
 	}
+	else if (IS_BELT_SWITCH(smashed))
+	{
+	  ToggleBeltSwitch(x, y+1);
+	}
+	else if (smashed == EL_SWITCHGATE_SWITCH_1 ||
+		 smashed == EL_SWITCHGATE_SWITCH_2)
+	{
+	  ToggleSwitchgateSwitch(x, y+1);
+	}
+	else if (smashed == EL_LIGHT_SWITCH_OFF ||
+		 smashed == EL_LIGHT_SWITCH_ON)
+	{
+	  ToggleLightSwitch(x, y+1);
+	}
       }
     }
   }
 
   /* play sound of magic wall / mill */
   if (!lastline &&
-      (Feld[x][y+1] == EL_SIEB_LEER || Feld[x][y+1] == EL_SIEB2_LEER))
+      (Feld[x][y+1] == EL_MAGIC_WALL_EMPTY ||
+       Feld[x][y+1] == EL_MAGIC_WALL_BD_EMPTY))
   {
     PlaySoundLevel(x, y, SND_QUIRK);
     return;
@@ -1649,6 +2028,7 @@ void Impact(int x, int y)
 	sound = SND_KLUMPF;
 	break;
       case EL_FELSBROCKEN:
+      case EL_BD_ROCK:
 	sound = SND_KLOPF;
 	break;
       case EL_SP_ZONK:
@@ -1674,7 +2054,7 @@ void Impact(int x, int y)
         break;
     }
 
-    if (sound>=0)
+    if (sound >= 0)
       PlaySoundLevel(x, y, sound);
   }
 }
@@ -1725,13 +2105,13 @@ void TurnRound(int x, int y)
 
   if (element == EL_KAEFER || element == EL_BUTTERFLY)
   {
-    TestIfBadThingHitsOtherBadThing(x, y);
+    TestIfBadThingTouchesOtherBadThing(x, y);
 
     if (IN_LEV_FIELD(right_x, right_y) &&
-	IS_FREE_OR_PLAYER(right_x, right_y))
+	IS_FREE(right_x, right_y))
       MovDir[x][y] = right_dir;
     else if (!IN_LEV_FIELD(move_x, move_y) ||
-	     !IS_FREE_OR_PLAYER(move_x, move_y))
+	     !IS_FREE(move_x, move_y))
       MovDir[x][y] = left_dir;
 
     if (element == EL_KAEFER && MovDir[x][y] != old_move_dir)
@@ -1742,13 +2122,13 @@ void TurnRound(int x, int y)
   else if (element == EL_FLIEGER || element == EL_FIREFLY ||
 	   element == EL_SP_SNIKSNAK || element == EL_SP_ELECTRON)
   {
-    TestIfBadThingHitsOtherBadThing(x, y);
+    TestIfBadThingTouchesOtherBadThing(x, y);
 
     if (IN_LEV_FIELD(left_x, left_y) &&
-	IS_FREE_OR_PLAYER(left_x, left_y))
+	IS_FREE(left_x, left_y))
       MovDir[x][y] = left_dir;
     else if (!IN_LEV_FIELD(move_x, move_y) ||
-	     !IS_FREE_OR_PLAYER(move_x, move_y))
+	     !IS_FREE(move_x, move_y))
       MovDir[x][y] = right_dir;
 
     if ((element == EL_FLIEGER ||
@@ -1931,8 +2311,51 @@ void TurnRound(int x, int y)
 
     MovDelay[x][y] = 0;
   }
-  else if (element == EL_ROBOT || element == EL_SONDE ||
-	   element == EL_MAULWURF || element == EL_PINGUIN)
+  else if (element == EL_MOLE)
+  {
+    boolean can_turn_left = FALSE, can_turn_right = FALSE, can_move_on = FALSE;
+
+    if (IN_LEV_FIELD(move_x, move_y) &&
+	(IS_FREE(move_x, move_y) || IS_AMOEBOID(Feld[move_x][move_y]) ||
+	 Feld[move_x][move_y] == EL_DEAMOEBING))
+      can_move_on = TRUE;
+
+    if (!can_move_on)
+    {
+      if (IN_LEV_FIELD(left_x, left_y) &&
+	  (IS_FREE(left_x, left_y) || IS_AMOEBOID(Feld[left_x][left_y])))
+	can_turn_left = TRUE;
+      if (IN_LEV_FIELD(right_x, right_y) &&
+	  (IS_FREE(right_x, right_y) || IS_AMOEBOID(Feld[right_x][right_y])))
+	can_turn_right = TRUE;
+
+      if (can_turn_left && can_turn_right)
+	MovDir[x][y] = (RND(2) ? left_dir : right_dir);
+      else if (can_turn_left)
+	MovDir[x][y] = left_dir;
+      else
+	MovDir[x][y] = right_dir;
+    }
+
+    if (MovDir[x][y] != old_move_dir)
+      MovDelay[x][y] = 9;
+  }
+  else if (element == EL_BALLOON)
+  {
+    MovDir[x][y] = game.balloon_dir;
+    MovDelay[x][y] = 0;
+  }
+  else if (element == EL_SPRING_MOVING)
+  {
+    if (!IN_LEV_FIELD(move_x, move_y) || !IS_FREE(move_x, move_y) ||
+	(IN_LEV_FIELD(x, y+1) && IS_FREE(x, y+1)))
+    {
+      Feld[x][y] = EL_SPRING;
+      MovDir[x][y] = MV_NO_MOVING;
+    }
+    MovDelay[x][y] = 0;
+  }
+  else if (element == EL_ROBOT || element == EL_SONDE || element == EL_PINGUIN)
   {
     int attr_x = -1, attr_y = -1;
 
@@ -1967,7 +2390,7 @@ void TurnRound(int x, int y)
       attr_y = ZY;
     }
 
-    if (element == EL_MAULWURF || element == EL_PINGUIN)
+    if (element == EL_PINGUIN)
     {
       int i;
       static int xy[4][2] =
@@ -2033,7 +2456,7 @@ void TurnRound(int x, int y)
 	if (IN_LEV_FIELD(newx, newy) &&
 	    (IS_FREE(newx, newy) ||
 	     Feld[newx][newy] == EL_SALZSAEURE ||
-	     ((element == EL_MAULWURF || element == EL_PINGUIN) &&
+	     (element == EL_PINGUIN &&
 	      (Feld[newx][newy] == EL_AUSGANG_AUF ||
 	       IS_MAMPF3(Feld[newx][newy])))))
 	  return;
@@ -2045,7 +2468,7 @@ void TurnRound(int x, int y)
 	if (IN_LEV_FIELD(newx, newy) &&
 	    (IS_FREE(newx, newy) ||
 	     Feld[newx][newy] == EL_SALZSAEURE ||
-	     ((element == EL_MAULWURF || element == EL_PINGUIN) &&
+	     (element == EL_PINGUIN &&
 	      (Feld[newx][newy] == EL_AUSGANG_AUF ||
 	       IS_MAMPF3(Feld[newx][newy])))))
 	  return;
@@ -2096,8 +2519,8 @@ void StartMoving(int x, int y)
       if (IS_FREE(x, y+1))
       {
 	InitMovingField(x, y, MV_DOWN);
-	Feld[x][y] = EL_FELSBROCKEN;
-	Store[x][y] = EL_MORAST_LEER;
+	Feld[x][y] = EL_QUICKSAND_EMPTYING;
+	Store[x][y] = EL_FELSBROCKEN;
       }
       else if (Feld[x][y+1] == EL_MORAST_LEER)
       {
@@ -2113,22 +2536,26 @@ void StartMoving(int x, int y)
 
 	Feld[x][y] = EL_MORAST_LEER;
 	Feld[x][y+1] = EL_MORAST_VOLL;
+	Store[x][y+1] = Store[x][y];
+	Store[x][y] = 0;
       }
     }
-    else if (element == EL_FELSBROCKEN && Feld[x][y+1] == EL_MORAST_LEER)
+    else if ((element == EL_FELSBROCKEN || element == EL_BD_ROCK) &&
+	     Feld[x][y+1] == EL_MORAST_LEER)
     {
       InitMovingField(x, y, MV_DOWN);
-      Store[x][y] = EL_MORAST_VOLL;
+      Feld[x][y] = EL_QUICKSAND_FILLING;
+      Store[x][y] = element;
     }
-    else if (element == EL_SIEB_VOLL)
+    else if (element == EL_MAGIC_WALL_FULL)
     {
       if (IS_FREE(x, y+1))
       {
 	InitMovingField(x, y, MV_DOWN);
-	Feld[x][y] = EL_CHANGED(Store2[x][y]);
-	Store[x][y] = EL_SIEB_LEER;
+	Feld[x][y] = EL_MAGIC_WALL_EMPTYING;
+	Store[x][y] = EL_CHANGED(Store[x][y]);
       }
-      else if (Feld[x][y+1] == EL_SIEB_LEER)
+      else if (Feld[x][y+1] == EL_MAGIC_WALL_EMPTY)
       {
 	if (!MovDelay[x][y])
 	  MovDelay[x][y] = TILEY/4 + 1;
@@ -2140,21 +2567,21 @@ void StartMoving(int x, int y)
 	    return;
 	}
 
-	Feld[x][y] = EL_SIEB_LEER;
-	Feld[x][y+1] = EL_SIEB_VOLL;
-	Store2[x][y+1] = EL_CHANGED(Store2[x][y]);
-	Store2[x][y] = 0;
+	Feld[x][y] = EL_MAGIC_WALL_EMPTY;
+	Feld[x][y+1] = EL_MAGIC_WALL_FULL;
+	Store[x][y+1] = EL_CHANGED(Store[x][y]);
+	Store[x][y] = 0;
       }
     }
-    else if (element == EL_SIEB2_VOLL)
+    else if (element == EL_MAGIC_WALL_BD_FULL)
     {
       if (IS_FREE(x, y+1))
       {
 	InitMovingField(x, y, MV_DOWN);
-	Feld[x][y] = EL_CHANGED2(Store2[x][y]);
-	Store[x][y] = EL_SIEB2_LEER;
+	Feld[x][y] = EL_MAGIC_WALL_BD_EMPTYING;
+	Store[x][y] = EL_CHANGED2(Store[x][y]);
       }
-      else if (Feld[x][y+1] == EL_SIEB2_LEER)
+      else if (Feld[x][y+1] == EL_MAGIC_WALL_BD_EMPTY)
       {
 	if (!MovDelay[x][y])
 	  MovDelay[x][y] = TILEY/4 + 1;
@@ -2166,19 +2593,21 @@ void StartMoving(int x, int y)
 	    return;
 	}
 
-	Feld[x][y] = EL_SIEB2_LEER;
-	Feld[x][y+1] = EL_SIEB2_VOLL;
-	Store2[x][y+1] = EL_CHANGED2(Store2[x][y]);
-	Store2[x][y] = 0;
+	Feld[x][y] = EL_MAGIC_WALL_BD_EMPTY;
+	Feld[x][y+1] = EL_MAGIC_WALL_BD_FULL;
+	Store[x][y+1] = EL_CHANGED2(Store[x][y]);
+	Store[x][y] = 0;
       }
     }
     else if (CAN_CHANGE(element) &&
-	     (Feld[x][y+1] == EL_SIEB_LEER || Feld[x][y+1] == EL_SIEB2_LEER))
+	     (Feld[x][y+1] == EL_MAGIC_WALL_EMPTY ||
+	      Feld[x][y+1] == EL_MAGIC_WALL_BD_EMPTY))
     {
       InitMovingField(x, y, MV_DOWN);
-      Store[x][y] =
-	(Feld[x][y+1] == EL_SIEB_LEER ? EL_SIEB_VOLL : EL_SIEB2_VOLL);
-      Store2[x][y+1] = element;
+      Feld[x][y] =
+	(Feld[x][y+1] == EL_MAGIC_WALL_EMPTY ? EL_MAGIC_WALL_FILLING :
+	 EL_MAGIC_WALL_BD_FILLING);
+      Store[x][y] = element;
     }
     else if (CAN_SMASH(element) && Feld[x][y+1] == EL_SALZSAEURE)
     {
@@ -2200,11 +2629,22 @@ void StartMoving(int x, int y)
       Feld[x][y] = EL_AMOEBING;
       Store[x][y] = EL_AMOEBE_NASS;
     }
+    /* Store[x][y+1] must be zero, because:
+       (EL_MORAST_VOLL -> EL_FELSBROCKEN): Store[x][y+1] == EL_MORAST_LEER
+    */
+#if 0
 #if OLD_GAME_BEHAVIOUR
     else if (IS_SLIPPERY(Feld[x][y+1]) && !Store[x][y+1])
 #else
     else if (IS_SLIPPERY(Feld[x][y+1]) && !Store[x][y+1] &&
-	     !IS_FALLING(x, y+1) && !JustStopped[x][y+1])
+	     !IS_FALLING(x, y+1) && !JustStopped[x][y+1] &&
+	     element != EL_DX_SUPABOMB)
+#endif
+#else
+    else if ((IS_SLIPPERY(Feld[x][y+1]) ||
+	      (IS_EM_SLIPPERY_WALL(Feld[x][y+1]) && IS_GEM(element))) &&
+	     !IS_FALLING(x, y+1) && !JustStopped[x][y+1] &&
+	     element != EL_DX_SUPABOMB && element != EL_SP_DISK_ORANGE)
 #endif
     {
       boolean left  = (x>0 && IS_FREE(x-1, y) &&
@@ -2214,7 +2654,9 @@ void StartMoving(int x, int y)
 
       if (left || right)
       {
-	if (left && right && game.emulation != EMU_BOULDERDASH)
+	if (left && right &&
+	    (game.emulation != EMU_BOULDERDASH &&
+	     element != EL_BD_ROCK && element != EL_EDELSTEIN_BD))
 	  left = !(right = RND(2));
 
 	InitMovingField(x, y, left ? MV_LEFT : MV_RIGHT);
@@ -2236,7 +2678,9 @@ void StartMoving(int x, int y)
   {
     int newx, newy;
 
-    if (element == EL_SONDE && JustBeingPushed(x, y))
+    if ((element == EL_SONDE || element == EL_BALLOON ||
+	 element == EL_SPRING_MOVING)
+	&& JustBeingPushed(x, y))
       return;
 
     if (!MovDelay[x][y])	/* start new movement phase */
@@ -2247,9 +2691,11 @@ void StartMoving(int x, int y)
       if (element!=EL_MAMPFER && element!=EL_MAMPFER2 && element!=EL_PACMAN)
       {
 	TurnRound(x, y);
-	if (MovDelay[x][y] && (element == EL_KAEFER || element == EL_FLIEGER ||
+	if (MovDelay[x][y] && (element == EL_KAEFER ||
+			       element == EL_FLIEGER ||
 			       element == EL_SP_SNIKSNAK ||
-			       element == EL_SP_ELECTRON))
+			       element == EL_SP_ELECTRON ||
+			       element == EL_MOLE))
 	  DrawLevelField(x, y);
       }
     }
@@ -2335,23 +2781,30 @@ void StartMoving(int x, int y)
 
     Moving2Blocked(x, y, &newx, &newy);	/* get next screen position */
 
-    if (IS_ENEMY(element) && IS_PLAYER(newx, newy))
+    if (IS_ENEMY(element) && IS_PLAYER(newx, newy) &&
+	!PLAYER_PROTECTED(newx, newy))
     {
+
+#if 1
+      TestIfBadThingRunsIntoHero(x, y, MovDir[x][y]);
+      return;
+#else
       /* enemy got the player */
       MovDir[x][y] = 0;
       KillHero(PLAYERINFO(newx, newy));
       return;
+#endif
+
     }
-    else if ((element == EL_MAULWURF || element == EL_PINGUIN ||
-	      element == EL_ROBOT || element == EL_SONDE) &&
+    else if ((element == EL_PINGUIN || element == EL_ROBOT ||
+	      element == EL_SONDE || element == EL_BALLOON) &&
 	     IN_LEV_FIELD(newx, newy) &&
 	     MovDir[x][y] == MV_DOWN && Feld[newx][newy] == EL_SALZSAEURE)
     {
       Blurb(x, y);
       Store[x][y] = EL_SALZSAEURE;
     }
-    else if ((element == EL_MAULWURF || element == EL_PINGUIN) &&
-	     IN_LEV_FIELD(newx, newy))
+    else if (element == EL_PINGUIN && IN_LEV_FIELD(newx, newy))
     {
       if (Feld[newx][newy] == EL_AUSGANG_AUF)
       {
@@ -2476,8 +2929,8 @@ void StartMoving(int x, int y)
 	DrawLevelField(newx, newy);
       }
     }
-    else if (element == EL_PACMAN && IN_LEV_FIELD(newx, newy) &&
-	     IS_AMOEBOID(Feld[newx][newy]))
+    else if ((element == EL_PACMAN || element == EL_MOLE)
+	     && IN_LEV_FIELD(newx, newy) && IS_AMOEBOID(Feld[newx][newy]))
     {
       if (AmoebaNr[newx][newy])
       {
@@ -2487,8 +2940,24 @@ void StartMoving(int x, int y)
 	  AmoebaCnt[AmoebaNr[newx][newy]]--;
       }
 
-      Feld[newx][newy] = EL_LEERRAUM;
-      DrawLevelField(newx, newy);
+      if (element == EL_MOLE)
+      {
+	Feld[newx][newy] = EL_DEAMOEBING;
+	MovDelay[newx][newy] = 0;	/* start amoeba shrinking delay */
+	return;				/* wait for shrinking amoeba */
+      }
+      else	/* element == EL_PACMAN */
+      {
+	Feld[newx][newy] = EL_LEERRAUM;
+	DrawLevelField(newx, newy);
+      }
+    }
+    else if (element == EL_MOLE && IN_LEV_FIELD(newx, newy) &&
+	     (Feld[newx][newy] == EL_DEAMOEBING ||
+	      (Feld[newx][newy] == EL_LEERRAUM && Stop[newx][newy])))
+    {
+      /* wait for shrinking amoeba to completely disappear */
+      return;
     }
     else if (!IN_LEV_FIELD(newx, newy) || !IS_FREE(newx, newy))
     {
@@ -2497,7 +2966,7 @@ void StartMoving(int x, int y)
       TurnRound(x, y);
 
       if (element == EL_KAEFER || element == EL_FLIEGER ||
-	  element == EL_SP_SNIKSNAK)
+	  element == EL_SP_SNIKSNAK || element == EL_MOLE)
 	DrawLevelField(x, y);
       else if (element == EL_BUTTERFLY || element == EL_FIREFLY)
 	DrawGraphicAnimation(x, y, el2gfx(element), 2, 4, ANIM_NORMAL);
@@ -2506,6 +2975,9 @@ void StartMoving(int x, int y)
       else if (element == EL_SP_ELECTRON)
 	DrawGraphicAnimation(x, y, GFX2_SP_ELECTRON, 8, 2, ANIM_NORMAL);
 
+      if (DONT_TOUCH(element))
+	TestIfBadThingTouchesHero(x, y);
+
       return;
     }
 
@@ -2529,13 +3001,21 @@ void ContinueMoving(int x, int y)
   int newx = x + dx, newy = y + dy;
   int step = (horiz_move ? dx : dy) * TILEX / 8;
 
-  if (element == EL_TROPFEN)
+  if (element == EL_TROPFEN || element == EL_AMOEBA_DRIPPING)
     step /= 2;
-  else if (Store[x][y] == EL_MORAST_VOLL || Store[x][y] == EL_MORAST_LEER)
+  else if (element == EL_QUICKSAND_FILLING ||
+	   element == EL_QUICKSAND_EMPTYING)
     step /= 4;
+  else if (element == EL_MAGIC_WALL_FILLING ||
+	   element == EL_MAGIC_WALL_BD_FILLING ||
+	   element == EL_MAGIC_WALL_EMPTYING ||
+	   element == EL_MAGIC_WALL_BD_EMPTYING)
+    step /= 2;
   else if (CAN_FALL(element) && horiz_move &&
 	   y < lev_fieldy-1 && IS_BELT(Feld[x][y+1]))
     step /= 2;
+  else if (element == EL_SPRING_MOVING)
+    step*=2;
 
 #if OLD_GAME_BEHAVIOUR
   else if (CAN_FALL(element) && horiz_move && !IS_SP_ELEMENT(element))
@@ -2549,51 +3029,81 @@ void ContinueMoving(int x, int y)
     Feld[x][y] = EL_LEERRAUM;
     Feld[newx][newy] = element;
 
-    if (Store[x][y] == EL_MORAST_VOLL)
-    {
-      Store[x][y] = 0;
-      Feld[newx][newy] = EL_MORAST_VOLL;
-      element = EL_MORAST_VOLL;
-    }
-    else if (Store[x][y] == EL_MORAST_LEER)
-    {
-      Store[x][y] = 0;
-      Feld[x][y] = EL_MORAST_LEER;
-    }
-    else if (Store[x][y] == EL_SIEB_VOLL)
-    {
-      Store[x][y] = 0;
-      element = Feld[newx][newy] =
-	(game.magic_wall_active ? EL_SIEB_VOLL : EL_SIEB_TOT);
-    }
-    else if (Store[x][y] == EL_SIEB_LEER)
-    {
-      Store[x][y] = Store2[x][y] = 0;
-      Feld[x][y] = (game.magic_wall_active ? EL_SIEB_LEER : EL_SIEB_TOT);
-    }
-    else if (Store[x][y] == EL_SIEB2_VOLL)
+    if (element == EL_MOLE)
     {
-      Store[x][y] = 0;
-      element = Feld[newx][newy] =
-	(game.magic_wall_active ? EL_SIEB2_VOLL : EL_SIEB2_TOT);
+      int i;
+      static int xy[4][2] =
+      {
+	{ 0, -1 },
+	{ -1, 0 },
+	{ +1, 0 },
+	{ 0, +1 }
+      };
+
+      Feld[x][y] = EL_ERDREICH;
+      DrawLevelField(x, y);
+
+      for(i=0; i<4; i++)
+      {
+	int xx, yy;
+
+	xx = x + xy[i][0];
+	yy = y + xy[i][1];
+
+	if (IN_LEV_FIELD(xx, yy) && Feld[xx][yy] == EL_ERDREICH)
+	  DrawLevelField(xx, yy);	/* for "ErdreichAnbroeckeln()" */
+      }
     }
-    else if (Store[x][y] == EL_SIEB2_LEER)
+
+    if (element == EL_QUICKSAND_FILLING)
     {
-      Store[x][y] = Store2[x][y] = 0;
-      Feld[x][y] = (game.magic_wall_active ? EL_SIEB2_LEER : EL_SIEB2_TOT);
+      element = Feld[newx][newy] = get_next_element(element);
+      Store[newx][newy] = Store[x][y];
     }
-    else if (Store[x][y] == EL_SALZSAEURE)
+    else if (element == EL_QUICKSAND_EMPTYING)
     {
-      Store[x][y] = 0;
-      Feld[newx][newy] = EL_SALZSAEURE;
-      element = EL_SALZSAEURE;
+      Feld[x][y] = get_next_element(element);
+      element = Feld[newx][newy] = Store[x][y];
     }
-    else if (Store[x][y] == EL_AMOEBE_NASS)
+    else if (element == EL_MAGIC_WALL_FILLING)
     {
-      Store[x][y] = 0;
-      Feld[x][y] = EL_AMOEBE_NASS;
+      element = Feld[newx][newy] = get_next_element(element);
+      if (!game.magic_wall_active)
+	element = Feld[newx][newy] = EL_MAGIC_WALL_DEAD;
+      Store[newx][newy] = Store[x][y];
+    }
+    else if (element == EL_MAGIC_WALL_EMPTYING)
+    {
+      Feld[x][y] = get_next_element(element);
+      if (!game.magic_wall_active)
+	Feld[x][y] = EL_MAGIC_WALL_DEAD;
+      element = Feld[newx][newy] = Store[x][y];
+    }
+    else if (element == EL_MAGIC_WALL_BD_FILLING)
+    {
+      element = Feld[newx][newy] = get_next_element(element);
+      if (!game.magic_wall_active)
+	element = Feld[newx][newy] = EL_MAGIC_WALL_BD_DEAD;
+      Store[newx][newy] = Store[x][y];
+    }
+    else if (element == EL_MAGIC_WALL_BD_EMPTYING)
+    {
+      Feld[x][y] = get_next_element(element);
+      if (!game.magic_wall_active)
+	Feld[x][y] = EL_MAGIC_WALL_BD_DEAD;
+      element = Feld[newx][newy] = Store[x][y];
+    }
+    else if (element == EL_AMOEBA_DRIPPING)
+    {
+      Feld[x][y] = get_next_element(element);
+      element = Feld[newx][newy] = Store[x][y];
+    }
+    else if (Store[x][y] == EL_SALZSAEURE)
+    {
+      element = Feld[newx][newy] = EL_SALZSAEURE;
     }
 
+    Store[x][y] = 0;
     MovPos[x][y] = MovDir[x][y] = MovDelay[x][y] = 0;
     MovDelay[newx][newy] = 0;
 
@@ -2608,12 +3118,12 @@ void ContinueMoving(int x, int y)
 
     if (DONT_TOUCH(element))	/* object may be nasty to player or others */
     {
-      TestIfBadThingHitsHero(newx, newy);
-      TestIfBadThingHitsFriend(newx, newy);
-      TestIfBadThingHitsOtherBadThing(newx, newy);
+      TestIfBadThingTouchesHero(newx, newy);
+      TestIfBadThingTouchesFriend(newx, newy);
+      TestIfBadThingTouchesOtherBadThing(newx, newy);
     }
     else if (element == EL_PINGUIN)
-      TestIfFriendHitsBadThing(newx, newy);
+      TestIfFriendTouchesBadThing(newx, newy);
 
     if (CAN_SMASH(element) && direction == MV_DOWN &&
 	(newy == lev_fieldy-1 || !IS_FREE(x, newy+1)))
@@ -2790,7 +3300,7 @@ void AmoebeUmwandelnBD(int ax, int ay, int new_element)
 
   if (done)
     PlaySoundLevel(ax, ay,
-		   (new_element == EL_FELSBROCKEN ? SND_KLOPF : SND_PLING));
+		   (new_element == EL_BD_ROCK ? SND_KLOPF : SND_PLING));
 }
 
 void AmoebeWaechst(int x, int y)
@@ -2824,6 +3334,40 @@ void AmoebeWaechst(int x, int y)
   }
 }
 
+void AmoebeSchrumpft(int x, int y)
+{
+  static unsigned long sound_delay = 0;
+  static unsigned long sound_delay_value = 0;
+
+  if (!MovDelay[x][y])		/* start new shrinking cycle */
+  {
+    MovDelay[x][y] = 7;
+
+    if (DelayReached(&sound_delay, sound_delay_value))
+    {
+      PlaySoundLevel(x, y, SND_BLURB);
+      sound_delay_value = 30;
+    }
+  }
+
+  if (MovDelay[x][y])		/* wait some time before shrinking */
+  {
+    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);
+
+    if (!MovDelay[x][y])
+    {
+      Feld[x][y] = EL_LEERRAUM;
+      DrawLevelField(x, y);
+
+      /* don't let mole enter this field in this cycle;
+	 (give priority to objects falling to this field from above) */
+      Stop[x][y] = TRUE;
+    }
+  }
+}
+
 void AmoebeAbleger(int ax, int ay)
 {
   int i;
@@ -2940,7 +3484,7 @@ void AmoebeAbleger(int ax, int ay)
 
       if (element == EL_AMOEBE_BD && AmoebaCnt2[new_group_nr] >= 200)
       {
-	AmoebeUmwandelnBD(newax, neway, EL_FELSBROCKEN);
+	AmoebeUmwandelnBD(newax, neway, EL_BD_ROCK);
 	return;
       }
     }
@@ -2949,16 +3493,16 @@ void AmoebeAbleger(int ax, int ay)
   if (element != EL_AMOEBE_NASS || neway < ay || !IS_FREE(newax, neway) ||
       (neway == lev_fieldy - 1 && newax != ax))
   {
-    Feld[newax][neway] = EL_AMOEBING;
+    Feld[newax][neway] = EL_AMOEBING;	/* simple growth of new amoeba tile */
     Store[newax][neway] = element;
   }
   else if (neway == ay)
-    Feld[newax][neway] = EL_TROPFEN;
+    Feld[newax][neway] = EL_TROPFEN;	/* drop left or right from amoeba */
   else
   {
-    InitMovingField(ax, ay, MV_DOWN);
-    Feld[ax][ay] = EL_TROPFEN;
-    Store[ax][ay] = EL_AMOEBE_NASS;
+    InitMovingField(ax, ay, MV_DOWN);	/* drop dripping out of amoeba */
+    Feld[ax][ay] = EL_AMOEBA_DRIPPING;
+    Store[ax][ay] = EL_TROPFEN;
     ContinueMoving(ax, ay);
     return;
   }
@@ -3056,6 +3600,31 @@ void Ablenk(int x, int y)
     ZX = ZY = -1;
 }
 
+void TimegateWheel(int x, int y)
+{
+  if (!MovDelay[x][y])		/* next animation frame */
+    MovDelay[x][y] = level.time_wheel * FRAMES_PER_SECOND;
+
+  if (MovDelay[x][y])		/* wait some time before next frame */
+  {
+    MovDelay[x][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_MIEP);
+      return;
+    }
+  }
+
+  Feld[x][y] = EL_TIMEGATE_SWITCH_OFF;
+  DrawLevelField(x, y);
+  if (ZX == x && ZY == y)
+    ZX = ZY = -1;
+}
+
 void Birne(int x, int y)
 {
   if (!MovDelay[x][y])		/* next animation frame */
@@ -3102,7 +3671,8 @@ void NussKnacken(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_CRACKINGNUT+3-MovDelay[x][y]/2);
+      DrawGraphic(SCREENX(x), SCREENY(y),
+		  GFX_CRACKINGNUT + 3 - MovDelay[x][y]/2);
 
     if (!MovDelay[x][y])
     {
@@ -3112,9 +3682,29 @@ void NussKnacken(int x, int y)
   }
 }
 
+void BreakingPearl(int x, int y)
+{
+  if (!MovDelay[x][y])		/* next animation frame */
+    MovDelay[x][y] = 9;
+
+  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])
+    {
+      Feld[x][y] = EL_LEERRAUM;
+      DrawLevelField(x, y);
+    }
+  }
+}
+
 void SiebAktivieren(int x, int y, int typ)
 {
-  int graphic = (typ == 1 ? GFX_SIEB_VOLL : GFX_SIEB2_VOLL) + 3;
+  int graphic = (typ == 1 ? GFX_MAGIC_WALL_FULL : GFX_MAGIC_WALL_BD_FULL) + 3;
 
   DrawGraphicAnimation(x, y, graphic, 4, 4, ANIM_REVERSE);
 }
@@ -3164,6 +3754,121 @@ void AusgangstuerBlinken(int x, int y)
   DrawGraphicAnimation(x, y, GFX_AUSGANG_AUF, 4, 4, ANIM_OSCILLATE);
 }
 
+void OpenSwitchgate(int x, int y)
+{
+  int delay = 6;
+
+  if (!MovDelay[x][y])		/* next animation frame */
+    MovDelay[x][y] = 5 * delay;
+
+  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])
+    {
+      Feld[x][y] = EL_SWITCHGATE_OPEN;
+      DrawLevelField(x, y);
+    }
+  }
+}
+
+void CloseSwitchgate(int x, int y)
+{
+  int delay = 6;
+
+  if (!MovDelay[x][y])		/* next animation frame */
+    MovDelay[x][y] = 5 * delay;
+
+  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])
+    {
+      Feld[x][y] = EL_SWITCHGATE_CLOSED;
+      DrawLevelField(x, y);
+    }
+  }
+}
+
+void OpenTimegate(int x, int y)
+{
+  int delay = 6;
+
+  if (!MovDelay[x][y])		/* next animation frame */
+    MovDelay[x][y] = 5 * delay;
+
+  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])
+    {
+      Feld[x][y] = EL_TIMEGATE_OPEN;
+      DrawLevelField(x, y);
+    }
+  }
+}
+
+void CloseTimegate(int x, int y)
+{
+  int delay = 6;
+
+  if (!MovDelay[x][y])		/* next animation frame */
+    MovDelay[x][y] = 5 * delay;
+
+  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])
+    {
+      Feld[x][y] = EL_TIMEGATE_CLOSED;
+      DrawLevelField(x, y);
+    }
+  }
+}
+
+static void CloseAllOpenTimegates()
+{
+  int x, y;
+
+  for (y=0; y<lev_fieldy; y++)
+  {
+    for (x=0; x<lev_fieldx; x++)
+    {
+      int element = Feld[x][y];
+
+      if (element == EL_TIMEGATE_OPEN || element == EL_TIMEGATE_OPENING)
+      {
+	Feld[x][y] = EL_TIMEGATE_CLOSING;
+	PlaySoundLevel(x, y, SND_OEFFNEN);
+      }
+    }
+  }
+}
+
 void EdelsteinFunkeln(int x, int y)
 {
   if (!IN_SCR_FIELD(SCREENX(x), SCREENY(y)) || IS_MOVING(x, y))
@@ -3201,8 +3906,8 @@ void EdelsteinFunkeln(int x, int y)
 	  dest_x = FX + SCREENX(x)*TILEX;
 	  dest_y = FY + SCREENY(y)*TILEY;
 
-	  XCopyArea(display, drawto_field, window, gc,
-		    dest_x, dest_y, TILEX, TILEY, dest_x, dest_y);
+	  BlitBitmap(drawto_field, window,
+		     dest_x, dest_y, TILEX, TILEY, dest_x, dest_y);
 	  SetDrawtoField(DRAW_DIRECT);
 	}
       }
@@ -3403,10 +4108,10 @@ static void CheckBuggyBase(int x, int y)
 
   if (element == EL_SP_BUG)
   {
-    if (!MovDelay[x][y])	/* start activating 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])		/* wait some time before activating base */
+    if (MovDelay[x][y])
     {
       MovDelay[x][y]--;
       if (MovDelay[x][y] < 5 && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
@@ -3422,7 +4127,7 @@ static void CheckBuggyBase(int x, int y)
     if (!MovDelay[x][y])	/* start activating buggy base */
       MovDelay[x][y] = 1 * FRAMES_PER_SECOND + RND(1 * FRAMES_PER_SECOND);
 
-    if (MovDelay[x][y])		/* wait some time before activating base */
+    if (MovDelay[x][y])
     {
       MovDelay[x][y]--;
       if (MovDelay[x][y])
@@ -3459,6 +4164,61 @@ static void CheckBuggyBase(int x, int y)
   }
 }
 
+static void CheckTrap(int x, int y)
+{
+  int element = Feld[x][y];
+
+  if (element == EL_TRAP_INACTIVE)
+  {
+    if (!MovDelay[x][y])	/* 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;
+
+      Feld[x][y] = EL_TRAP_ACTIVE;
+    }
+  }
+  else if (element == EL_TRAP_ACTIVE)
+  {
+    int delay = 4;
+    int num_frames = 8;
+
+    if (!MovDelay[x][y])	/* start activating trap */
+      MovDelay[x][y] = num_frames * delay;
+
+    if (MovDelay[x][y])
+    {
+      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));
+	  }
+	}
+
+	return;
+      }
+
+      Feld[x][y] = EL_TRAP_INACTIVE;
+      DrawLevelField(x, y);
+    }
+  }
+}
+
 static void DrawBeltAnimation(int x, int y, int element)
 {
   int belt_nr = getBeltNrFromElement(element);
@@ -3478,9 +4238,10 @@ static void PlayerActions(struct PlayerInfo *player, byte player_action)
 {
   static byte stored_player_action[MAX_PLAYERS];
   static int num_stored_actions = 0;
+#if 0
   static boolean save_tape_entry = FALSE;
+#endif
   boolean moved = FALSE, snapped = FALSE, bombed = FALSE;
-  int jx = player->jx, jy = player->jy;
   int left	= player_action & JOY_LEFT;
   int right	= player_action & JOY_RIGHT;
   int up	= player_action & JOY_UP;
@@ -3498,7 +4259,9 @@ static void PlayerActions(struct PlayerInfo *player, byte player_action)
 
   if (player_action)
   {
+#if 0
     save_tape_entry = TRUE;
+#endif
     player->frame_reset_delay = 0;
 
     if (button1)
@@ -3510,15 +4273,20 @@ static void PlayerActions(struct PlayerInfo *player, byte player_action)
       moved = MoveFigure(player, dx, dy);
     }
 
+#if 0
     if (tape.recording && (moved || snapped || bombed))
     {
       if (bombed && !moved)
 	player_action &= JOY_BUTTON;
 
       stored_player_action[player->index_nr] = player_action;
+      save_tape_entry = TRUE;
     }
     else if (tape.playing && snapped)
       SnapField(player, 0, 0);			/* stop snapping */
+#else
+    stored_player_action[player->index_nr] = player_action;
+#endif
   }
   else
   {
@@ -3528,20 +4296,49 @@ static void PlayerActions(struct PlayerInfo *player, byte player_action)
     SnapField(player, 0, 0);
     CheckGravityMovement(player);
 
+#if 1
+    if (player->MovPos == 0)	/* needed for tape.playing */
+      player->is_moving = FALSE;
+#endif
+#if 0
+    if (player->MovPos == 0)	/* needed for tape.playing */
+      player->last_move_dir = MV_NO_MOVING;
+
+    /* !!! CHECK THIS AGAIN !!!
+       (Seems to be needed for some EL_ROBOT stuff, but breaks
+       tapes when walking through pipes!)
+    */
+
+    /* it seems that "player->last_move_dir" is misused as some sort of
+       "player->is_just_moving_in_this_moment", which is needed for the
+       robot stuff (robots don't kill players when they are moving)
+    */
+#endif 
+
     if (++player->frame_reset_delay > player->move_delay_value)
       player->Frame = 0;
   }
 
+#if 0
   if (tape.recording && num_stored_actions >= MAX_PLAYERS && save_tape_entry)
   {
     TapeRecordAction(stored_player_action);
     num_stored_actions = 0;
     save_tape_entry = FALSE;
   }
+#else
+  if (tape.recording && num_stored_actions >= MAX_PLAYERS)
+  {
+    TapeRecordAction(stored_player_action);
+    num_stored_actions = 0;
+  }
+#endif
 
+#if 0
   if (tape.playing && !tape.pausing && !player_action &&
       tape.counter < tape.length)
   {
+    int jx = player->jx, jy = player->jy;
     int next_joy =
       tape.pos[tape.counter].action[player->index_nr] & (JOY_LEFT|JOY_RIGHT);
 
@@ -3553,7 +4350,8 @@ static void PlayerActions(struct PlayerInfo *player, byte player_action)
       if (IN_LEV_FIELD(jx+dx, jy) && IS_PUSHABLE(Feld[jx+dx][jy]))
       {
 	int el = Feld[jx+dx][jy];
-	int push_delay = (IS_SB_ELEMENT(el) || el == EL_SONDE ? 2 : 10);
+	int push_delay = (IS_SB_ELEMENT(el) || el == EL_SONDE ? 2 :
+			  (el == EL_BALLOON || el == EL_SPRING) ? 0 : 10);
 
 	if (tape.delay_played + push_delay >= tape.pos[tape.counter].delay)
 	{
@@ -3564,6 +4362,7 @@ static void PlayerActions(struct PlayerInfo *player, byte player_action)
       }
     }
   }
+#endif
 }
 
 void GameActions()
@@ -3581,6 +4380,9 @@ void GameActions()
   action_delay_value =
     (tape.playing && tape.fast_forward ? FfwdFrameDelay : GameFrameDelay);
 
+  if (tape.playing && tape.index_search)
+    action_delay_value = 0;
+
   /* ---------- main game synchronization point ---------- */
 
   WaitUntilDelayReached(&action_delay, action_delay_value);
@@ -3593,7 +4395,7 @@ void GameActions()
 #endif
     */
 
-#ifndef MSDOS
+#if defined(PLATFORM_UNIX)
     /* last chance to get network player actions without main loop delay */
     HandleNetworking();
 #endif
@@ -3615,11 +4417,6 @@ void GameActions()
   if (tape.pausing)
     return;
 
-  if (tape.playing)
-    TapePlayDelay();
-  else if (tape.recording)
-    TapeRecordDelay();
-
   recorded_player_action = (tape.playing ? TapePlayAction() : NULL);
 
   for (i=0; i<MAX_PLAYERS; i++)
@@ -3630,7 +4427,7 @@ void GameActions()
       stored_player[i].effective_action = stored_player[i].action;
   }
 
-#ifndef MSDOS
+#if defined(PLATFORM_UNIX)
   if (network_playing)
     SendToServer_MovePlayer(summarized_player_action);
 #endif
@@ -3716,29 +4513,41 @@ void GameActions()
     {
       StartMoving(x, y);
 
-      if (IS_GEM(element))
+      if (IS_GEM(element) || element == EL_SP_INFOTRON)
 	EdelsteinFunkeln(x, y);
     }
     else if (IS_MOVING(x, y))
       ContinueMoving(x, y);
     else if (IS_ACTIVE_BOMB(element))
       CheckDynamite(x, y);
-    else if (element == EL_EXPLODING)
+#if 0
+    else if (element == EL_EXPLODING && !game.explosions_delayed)
       Explode(x, y, Frame[x][y], EX_NORMAL);
+#endif
     else if (element == EL_AMOEBING)
       AmoebeWaechst(x, y);
+    else if (element == EL_DEAMOEBING)
+      AmoebeSchrumpft(x, y);
+
+#if !USE_NEW_AMOEBA_CODE
     else if (IS_AMOEBALIVE(element))
       AmoebeAbleger(x, y);
+#endif
+
     else if (element == EL_LIFE || element == EL_LIFE_ASYNC)
       Life(x, y);
     else if (element == EL_ABLENK_EIN)
       Ablenk(x, y);
+    else if (element == EL_TIMEGATE_SWITCH_ON)
+      TimegateWheel(x, y);
     else if (element == EL_SALZSAEURE)
       Blubber(x, y);
     else if (element == EL_BLURB_LEFT || element == EL_BLURB_RIGHT)
       Blurb(x, y);
     else if (element == EL_CRACKINGNUT)
       NussKnacken(x, y);
+    else if (element == EL_PEARL_BREAKING)
+      BreakingPearl(x, y);
     else if (element == EL_AUSGANG_ZU)
       AusgangstuerPruefen(x, y);
     else if (element == EL_AUSGANG_ACT)
@@ -3756,26 +4565,44 @@ void GameActions()
       CheckForDragon(x, y);
     else if (element == EL_SP_BUG || element == EL_SP_BUG_ACTIVE)
       CheckBuggyBase(x, y);
+    else if (element == EL_TRAP_INACTIVE || 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);
     else if (IS_BELT(element))
       DrawBeltAnimation(x, y, element);
+    else if (element == EL_SWITCHGATE_OPENING)
+      OpenSwitchgate(x, y);
+    else if (element == EL_SWITCHGATE_CLOSING)
+      CloseSwitchgate(x, y);
+    else if (element == EL_TIMEGATE_OPENING)
+      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_PASSIVE)
+      DrawGraphicAnimation(x, y, GFX_SHIELD_PASSIVE, 6, 4, ANIM_NORMAL);
+    else if (element == EL_SHIELD_ACTIVE)
+      DrawGraphicAnimation(x, y, GFX_SHIELD_ACTIVE, 6, 4, ANIM_NORMAL);
 
     if (game.magic_wall_active)
     {
       boolean sieb = FALSE;
       int jx = local_player->jx, jy = local_player->jy;
 
-      if (element == EL_SIEB_LEER || element == EL_SIEB_VOLL ||
-	  Store[x][y] == EL_SIEB_LEER)
+      if (element == EL_MAGIC_WALL_FULL ||
+	  element == EL_MAGIC_WALL_EMPTY ||
+	  element == EL_MAGIC_WALL_EMPTYING)
       {
 	SiebAktivieren(x, y, 1);
 	sieb = TRUE;
       }
-      else if (element == EL_SIEB2_LEER || element == EL_SIEB2_VOLL ||
-	       Store[x][y] == EL_SIEB2_LEER)
+      else if (element == EL_MAGIC_WALL_BD_FULL ||
+	       element == EL_MAGIC_WALL_BD_EMPTY ||
+	       element == EL_MAGIC_WALL_BD_EMPTYING)
       {
 	SiebAktivieren(x, y, 2);
 	sieb = TRUE;
@@ -3790,6 +4617,65 @@ void GameActions()
     }
   }
 
+#if USE_NEW_AMOEBA_CODE
+  /* new experimental amoeba growth stuff */
+#if 1
+  if (!(FrameCounter % 8))
+#endif
+  {
+    static unsigned long random = 1684108901;
+
+    for (i = 0; i < level.amoeba_speed * 28 / 8; i++)
+    {
+#if 0
+      x = (random >> 10) % lev_fieldx;
+      y = (random >> 20) % lev_fieldy;
+#else
+      x = RND(lev_fieldx);
+      y = RND(lev_fieldy);
+#endif
+      element = Feld[x][y];
+
+      if (!IS_PLAYER(x,y) &&
+	  (element == EL_LEERRAUM ||
+	   element == EL_ERDREICH ||
+	   element == EL_MORAST_LEER ||
+	   element == EL_BLURB_LEFT ||
+	   element == EL_BLURB_RIGHT))
+      {
+	if ((IN_LEV_FIELD(x, y-1) && Feld[x][y-1] == EL_AMOEBE_NASS) ||
+	    (IN_LEV_FIELD(x-1, y) && Feld[x-1][y] == EL_AMOEBE_NASS) ||
+	    (IN_LEV_FIELD(x+1, y) && Feld[x+1][y] == EL_AMOEBE_NASS) ||
+	    (IN_LEV_FIELD(x, y+1) && Feld[x][y+1] == EL_AMOEBE_NASS))
+	  Feld[x][y] = EL_TROPFEN;
+      }
+
+      random = random * 129 + 1;
+    }
+  }
+#endif
+
+#if 0
+  if (game.explosions_delayed)
+#endif
+  {
+    game.explosions_delayed = FALSE;
+
+    for (y=0; y<lev_fieldy; y++) for (x=0; x<lev_fieldx; x++)
+    {
+      element = Feld[x][y];
+
+      if (ExplodeField[x][y])
+	Explode(x, y, EX_PHASE_START, ExplodeField[x][y]);
+      else if (element == EL_EXPLODING)
+	Explode(x, y, Frame[x][y], EX_NORMAL);
+
+      ExplodeField[x][y] = EX_NO_EXPLOSION;
+    }
+
+    game.explosions_delayed = TRUE;
+  }
+
   if (game.magic_wall_active)
   {
     if (!(game.magic_wall_time_left % 4))
@@ -3803,14 +4689,17 @@ void GameActions()
 	for (y=0; y<lev_fieldy; y++) for (x=0; x<lev_fieldx; x++)
 	{
 	  element = Feld[x][y];
-	  if (element == EL_SIEB_LEER || element == EL_SIEB_VOLL)
+
+	  if (element == EL_MAGIC_WALL_EMPTY ||
+	      element == EL_MAGIC_WALL_FULL)
 	  {
-	    Feld[x][y] = EL_SIEB_TOT;
+	    Feld[x][y] = EL_MAGIC_WALL_DEAD;
 	    DrawLevelField(x, y);
 	  }
-	  else if (element == EL_SIEB2_LEER || element == EL_SIEB2_VOLL)
+	  else if (element == EL_MAGIC_WALL_BD_EMPTY ||
+		   element == EL_MAGIC_WALL_BD_FULL)
 	  {
-	    Feld[x][y] = EL_SIEB2_TOT;
+	    Feld[x][y] = EL_MAGIC_WALL_BD_DEAD;
 	    DrawLevelField(x, y);
 	  }
 	}
@@ -3820,11 +4709,53 @@ void GameActions()
     }
   }
 
-  if (TimeFrames >= (1000 / GameFrameDelay) && !tape.pausing)
+  if (game.light_time_left > 0)
+  {
+    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_ON)
+	{
+	  Feld[x][y] = EL_LIGHT_SWITCH_OFF;
+	  DrawLevelField(x, y);
+	}
+	else if (element == EL_INVISIBLE_STEEL ||
+		 element == EL_UNSICHTBAR ||
+		 element == EL_SAND_INVISIBLE)
+	  DrawLevelField(x, y);
+      }
+    }
+  }
+
+  if (game.timegate_time_left > 0)
+  {
+    game.timegate_time_left--;
+
+    if (game.timegate_time_left == 0)
+      CloseAllOpenTimegates();
+  }
+
+  if (TimeFrames >= (1000 / GameFrameDelay))
   {
     TimeFrames = 0;
     TimePlayed++;
 
+    for (i=0; i<MAX_PLAYERS; i++)
+    {
+      if (SHIELD_ON(&stored_player[i]))
+      {
+	stored_player[i].shield_passive_time_left--;
+
+	if (stored_player[i].shield_active_time_left > 0)
+	  stored_player[i].shield_active_time_left--;
+      }
+    }
+
     if (tape.recording || tape.playing)
       DrawVideoDisplay(VIDEO_STATE_TIME_ON, TimePlayed);
 
@@ -3832,12 +4763,12 @@ void GameActions()
     {
       TimeLeft--;
 
-      if (TimeLeft <= 10)
+      if (TimeLeft <= 10 && setup.time_limit)
 	PlaySoundStereo(SND_GONG, PSND_MAX_RIGHT);
 
       DrawText(DX_TIME, DY_TIME, int2str(TimeLeft, 3), FS_SMALL, FC_YELLOW);
 
-      if (!TimeLeft)
+      if (!TimeLeft && setup.time_limit)
 	for (i=0; i<MAX_PLAYERS; i++)
 	  KillHero(&stored_player[i]);
     }
@@ -3846,6 +4777,25 @@ void GameActions()
   }
 
   DrawAllPlayers();
+
+  if (options.debug)			/* calculate frames per second */
+  {
+    static unsigned long fps_counter = 0;
+    static int fps_frames = 0;
+    unsigned long fps_delay_ms = Counter() - fps_counter;
+
+    fps_frames++;
+
+    if (fps_delay_ms >= 500)	/* calculate fps every 0.5 seconds */
+    {
+      global.frames_per_second = 1000 * (float)fps_frames / fps_delay_ms;
+
+      fps_frames = 0;
+      fps_counter = Counter();
+    }
+
+    redraw_mask |= REDRAW_FPS;
+  }
 }
 
 static boolean AllPlayersInSight(struct PlayerInfo *player, int x, int y)
@@ -3892,13 +4842,13 @@ void ScrollLevel(int dx, int dy)
   int softscroll_offset = (setup.soft_scrolling ? TILEX : 0);
   int x, y;
 
-  XCopyArea(display, drawto_field, drawto_field, gc,
-	    FX + TILEX*(dx == -1) - softscroll_offset,
-	    FY + TILEY*(dy == -1) - softscroll_offset,
-	    SXSIZE - TILEX*(dx!=0) + 2*softscroll_offset,
-	    SYSIZE - TILEY*(dy!=0) + 2*softscroll_offset,
-	    FX + TILEX*(dx == 1) - softscroll_offset,
-	    FY + TILEY*(dy == 1) - softscroll_offset);
+  BlitBitmap(drawto_field, drawto_field,
+	     FX + TILEX*(dx == -1) - softscroll_offset,
+	     FY + TILEY*(dy == -1) - softscroll_offset,
+	     SXSIZE - TILEX*(dx!=0) + 2*softscroll_offset,
+	     SYSIZE - TILEY*(dy!=0) + 2*softscroll_offset,
+	     FX + TILEX*(dx == 1) - softscroll_offset,
+	     FY + TILEY*(dy == 1) - softscroll_offset);
 
   if (dx)
   {
@@ -3982,7 +4932,7 @@ boolean MoveFigureOneStep(struct PlayerInfo *player,
       BuryHero(player);
     }
     else
-      KillHero(player);
+      TestIfHeroRunsIntoBadThing(jx, jy, player->MovDir);
 
     return MF_MOVING;
   }
@@ -4015,9 +4965,15 @@ boolean MoveFigure(struct PlayerInfo *player, int dx, int dy)
   if (!player->active || (!dx && !dy))
     return FALSE;
 
+#if 0
   if (!FrameReached(&player->move_delay, player->move_delay_value) &&
       !tape.playing)
     return FALSE;
+#else
+  if (!FrameReached(&player->move_delay, player->move_delay_value) &&
+      !(tape.playing && tape.game_version < GAME_VERSION_2_0))
+    return FALSE;
+#endif
 
   /* remove the last programmed player action */
   player->programmed_action = 0;
@@ -4146,15 +5102,19 @@ boolean MoveFigure(struct PlayerInfo *player, int dx, int dy)
     DrawLevelField(jx, jy);	/* for "ErdreichAnbroeckeln()" */
 
     player->last_move_dir = player->MovDir;
+    player->is_moving = TRUE;
   }
   else
   {
     CheckGravityMovement(player);
 
+    /*
     player->last_move_dir = MV_NO_MOVING;
+    */
+    player->is_moving = FALSE;
   }
 
-  TestIfHeroHitsBadThing(jx, jy);
+  TestIfHeroTouchesBadThing(jx, jy);
 
   if (!player->active)
     RemoveHero(player);
@@ -4249,17 +5209,17 @@ void ScrollScreen(struct PlayerInfo *player, int mode)
     ScreenMovDir = MV_NO_MOVING;
 }
 
-void TestIfGoodThingHitsBadThing(int goodx, int goody)
+void TestIfGoodThingHitsBadThing(int good_x, int good_y, int good_move_dir)
 {
-  int i, killx = goodx, killy = goody;
-  static int xy[4][2] =
+  int i, kill_x = -1, kill_y = -1;
+  static int test_xy[4][2] =
   {
     { 0, -1 },
     { -1, 0 },
     { +1, 0 },
     { 0, +1 }
   };
-  static int harmless[4] =
+  static int test_dir[4] =
   {
     MV_UP,
     MV_LEFT,
@@ -4269,50 +5229,62 @@ void TestIfGoodThingHitsBadThing(int goodx, int goody)
 
   for (i=0; i<4; i++)
   {
-    int x, y, element;
+    int test_x, test_y, test_move_dir, test_element;
 
-    x = goodx + xy[i][0];
-    y = goody + xy[i][1];
-    if (!IN_LEV_FIELD(x, y))
+    test_x = good_x + test_xy[i][0];
+    test_y = good_y + test_xy[i][1];
+    if (!IN_LEV_FIELD(test_x, test_y))
       continue;
 
+    test_move_dir =
+      (IS_MOVING(test_x, test_y) ? MovDir[test_x][test_y] : MV_NO_MOVING);
+
 #if 0
-    element = Feld[x][y];
+    test_element = Feld[test_x][test_y];
 #else
-    element = MovingOrBlocked2ElementIfNotLeaving(x, y);
+    test_element = MovingOrBlocked2ElementIfNotLeaving(test_x, test_y);
 #endif
 
-    if (DONT_TOUCH(element))
+    /* 1st case: good thing is moving towards DONT_GO_TO style bad thing;
+       2nd case: DONT_TOUCH style bad thing does not move away from good thing
+    */
+    if ((DONT_GO_TO(test_element) && good_move_dir == test_dir[i]) ||
+	(DONT_TOUCH(test_element) && test_move_dir != test_dir[i]))
     {
-      if (MovDir[x][y] == harmless[i])
-	continue;
-
-      killx = x;
-      killy = y;
+      kill_x = test_x;
+      kill_y = test_y;
       break;
     }
   }
 
-  if (killx != goodx || killy != goody)
+  if (kill_x != -1 || kill_y != -1)
   {
-    if (IS_PLAYER(goodx, goody))
-      KillHero(PLAYERINFO(goodx, goody));
+    if (IS_PLAYER(good_x, good_y))
+    {
+      struct PlayerInfo *player = PLAYERINFO(good_x, good_y);
+
+      if (player->shield_active_time_left > 0)
+	Bang(kill_x, kill_y);
+      else if (!PLAYER_PROTECTED(good_x, good_y))
+	KillHero(player);
+    }
     else
-      Bang(goodx, goody);
+      Bang(good_x, good_y);
   }
 }
 
-void TestIfBadThingHitsGoodThing(int badx, int bady)
+void TestIfBadThingHitsGoodThing(int bad_x, int bad_y, int bad_move_dir)
 {
-  int i, killx = badx, killy = bady;
-  static int xy[4][2] =
+  int i, kill_x = -1, kill_y = -1;
+  int bad_element = Feld[bad_x][bad_y];
+  static int test_xy[4][2] =
   {
     { 0, -1 },
     { -1, 0 },
     { +1, 0 },
     { 0, +1 }
   };
-  static int harmless[4] =
+  static int test_dir[4] =
   {
     MV_UP,
     MV_LEFT,
@@ -4320,66 +5292,117 @@ void TestIfBadThingHitsGoodThing(int badx, int bady)
     MV_DOWN
   };
 
+  if (bad_element == EL_EXPLODING)	/* skip just exploding bad things */
+    return;
+
   for (i=0; i<4; i++)
   {
-    int x, y, element;
+    int test_x, test_y, test_move_dir, test_element;
 
-    x = badx + xy[i][0];
-    y = bady + xy[i][1];
-    if (!IN_LEV_FIELD(x, y))
+    test_x = bad_x + test_xy[i][0];
+    test_y = bad_y + test_xy[i][1];
+    if (!IN_LEV_FIELD(test_x, test_y))
       continue;
 
-    element = Feld[x][y];
+    test_move_dir =
+      (IS_MOVING(test_x, test_y) ? MovDir[test_x][test_y] : MV_NO_MOVING);
 
-    if (IS_PLAYER(x, y))
-    {
-      killx = x;
-      killy = y;
-      break;
-    }
-    else if (element == EL_PINGUIN)
+    test_element = Feld[test_x][test_y];
+
+    /* 1st case: good thing is moving towards DONT_GO_TO style bad thing;
+       2nd case: DONT_TOUCH style bad thing does not move away from good thing
+    */
+    if ((DONT_GO_TO(bad_element) &&  bad_move_dir == test_dir[i]) ||
+	(DONT_TOUCH(bad_element) && test_move_dir != test_dir[i]))
     {
-      if (MovDir[x][y] == harmless[i] && IS_MOVING(x, y))
-	continue;
+      /* good thing is player or penguin that does not move away */
+      if (IS_PLAYER(test_x, test_y))
+      {
+	struct PlayerInfo *player = PLAYERINFO(test_x, test_y);
 
-      killx = x;
-      killy = y;
-      break;
+	if (bad_element == EL_ROBOT && player->is_moving)
+	  continue;	/* robot does not kill player if he is moving */
+
+	kill_x = test_x;
+	kill_y = test_y;
+	break;
+      }
+      else if (test_element == EL_PINGUIN)
+      {
+	kill_x = test_x;
+	kill_y = test_y;
+	break;
+      }
     }
   }
 
-  if (killx != badx || killy != bady)
+  if (kill_x != -1 || kill_y != -1)
   {
-    if (IS_PLAYER(killx, killy))
-      KillHero(PLAYERINFO(killx, killy));
+    if (IS_PLAYER(kill_x, kill_y))
+    {
+      struct PlayerInfo *player = PLAYERINFO(kill_x, kill_y);
+
+#if 0
+      int dir = player->MovDir;
+      int newx = player->jx + (dir == MV_LEFT ? -1 : dir == MV_RIGHT ? +1 : 0);
+      int newy = player->jy + (dir == MV_UP   ? -1 : dir == MV_DOWN  ? +1 : 0);
+
+      if (Feld[bad_x][bad_y] == EL_ROBOT && player->is_moving &&
+	  newx != bad_x && newy != bad_y)
+	;	/* robot does not kill player if he is moving */
+      else
+	printf("-> %d\n", player->MovDir);
+
+      if (Feld[bad_x][bad_y] == EL_ROBOT && player->is_moving &&
+	  newx != bad_x && newy != bad_y)
+	;	/* robot does not kill player if he is moving */
+      else
+	;
+#endif
+
+      if (player->shield_active_time_left > 0)
+	Bang(bad_x, bad_y);
+      else if (!PLAYER_PROTECTED(kill_x, kill_y))
+	KillHero(player);
+    }
     else
-      Bang(killx, killy);
+      Bang(kill_x, kill_y);
   }
 }
 
-void TestIfHeroHitsBadThing(int x, int y)
+void TestIfHeroTouchesBadThing(int x, int y)
 {
-  TestIfGoodThingHitsBadThing(x, y);
+  TestIfGoodThingHitsBadThing(x, y, MV_NO_MOVING);
 }
 
-void TestIfBadThingHitsHero(int x, int y)
+void TestIfHeroRunsIntoBadThing(int x, int y, int move_dir)
 {
-  TestIfBadThingHitsGoodThing(x, y);
+  TestIfGoodThingHitsBadThing(x, y, move_dir);
 }
 
-void TestIfFriendHitsBadThing(int x, int y)
+void TestIfBadThingTouchesHero(int x, int y)
 {
-  TestIfGoodThingHitsBadThing(x, y);
+  TestIfBadThingHitsGoodThing(x, y, MV_NO_MOVING);
 }
 
-void TestIfBadThingHitsFriend(int x, int y)
+void TestIfBadThingRunsIntoHero(int x, int y, int move_dir)
 {
-  TestIfBadThingHitsGoodThing(x, y);
+  TestIfBadThingHitsGoodThing(x, y, move_dir);
 }
 
-void TestIfBadThingHitsOtherBadThing(int badx, int bady)
+void TestIfFriendTouchesBadThing(int x, int y)
 {
-  int i, killx = badx, killy = bady;
+  TestIfGoodThingHitsBadThing(x, y, MV_NO_MOVING);
+}
+
+void TestIfBadThingTouchesFriend(int x, int y)
+{
+  TestIfBadThingHitsGoodThing(x, y, MV_NO_MOVING);
+}
+
+void TestIfBadThingTouchesOtherBadThing(int bad_x, int bad_y)
+{
+  int i, kill_x = bad_x, kill_y = bad_y;
   static int xy[4][2] =
   {
     { 0, -1 },
@@ -4392,8 +5415,8 @@ void TestIfBadThingHitsOtherBadThing(int badx, int bady)
   {
     int x, y, element;
 
-    x=badx + xy[i][0];
-    y=bady + xy[i][1];
+    x = bad_x + xy[i][0];
+    y = bad_y + xy[i][1];
     if (!IN_LEV_FIELD(x, y))
       continue;
 
@@ -4401,14 +5424,14 @@ void TestIfBadThingHitsOtherBadThing(int badx, int bady)
     if (IS_AMOEBOID(element) || element == EL_LIFE ||
 	element == EL_AMOEBING || element == EL_TROPFEN)
     {
-      killx = x;
-      killy = y;
+      kill_x = x;
+      kill_y = y;
       break;
     }
   }
 
-  if (killx != badx || killy != bady)
-    Bang(badx, bady);
+  if (kill_x != bad_x || kill_y != bad_y)
+    Bang(bad_x, bad_y);
 }
 
 void KillHero(struct PlayerInfo *player)
@@ -4421,10 +5444,20 @@ void KillHero(struct PlayerInfo *player)
   if (IS_PFORTE(Feld[jx][jy]))
     Feld[jx][jy] = EL_LEERRAUM;
 
+  /* deactivate shield (else Bang()/Explode() would not work right) */
+  player->shield_passive_time_left = 0;
+  player->shield_active_time_left = 0;
+
   Bang(jx, jy);
   BuryHero(player);
 }
 
+static void KillHeroUnlessProtected(int x, int y)
+{
+  if (!PLAYER_PROTECTED(x, y))
+    KillHero(PLAYERINFO(x, y));
+}
+
 void BuryHero(struct PlayerInfo *player)
 {
   int jx = player->jx, jy = player->jy;
@@ -4447,7 +5480,8 @@ void RemoveHero(struct PlayerInfo *player)
   player->present = FALSE;
   player->active = FALSE;
 
-  StorePlayer[jx][jy] = 0;
+  if (!ExplodeField[jx][jy])
+    StorePlayer[jx][jy] = 0;
 
   for (i=0; i<MAX_PLAYERS; i++)
     if (stored_player[i].active)
@@ -4484,6 +5518,36 @@ int DigField(struct PlayerInfo *player,
   if (IS_MOVING(x, y) || IS_PLAYER(x, y))
     return MF_NO_ACTION;
 
+  if (IS_TUBE(Feld[jx][jy]))
+  {
+    int i = 0;
+    int tube_leave_directions[][2] =
+    {
+      { EL_TUBE_CROSS,		MV_LEFT | MV_RIGHT | MV_UP | MV_DOWN },
+      { EL_TUBE_VERTICAL,	                     MV_UP | MV_DOWN },
+      { EL_TUBE_HORIZONTAL,	MV_LEFT | MV_RIGHT                   },
+      { EL_TUBE_VERT_LEFT,	MV_LEFT |            MV_UP | MV_DOWN },
+      { EL_TUBE_VERT_RIGHT,	          MV_RIGHT | MV_UP | MV_DOWN },
+      { EL_TUBE_HORIZ_UP,	MV_LEFT | MV_RIGHT | MV_UP           },
+      { EL_TUBE_HORIZ_DOWN,	MV_LEFT | MV_RIGHT |         MV_DOWN },
+      { EL_TUBE_LEFT_UP,	MV_LEFT |            MV_UP           },
+      { EL_TUBE_LEFT_DOWN,	MV_LEFT |                    MV_DOWN },
+      { EL_TUBE_RIGHT_UP,	          MV_RIGHT | MV_UP           },
+      { EL_TUBE_RIGHT_DOWN,	          MV_RIGHT |         MV_DOWN },
+      { -1,                     MV_LEFT | MV_RIGHT | MV_UP | MV_DOWN }
+    };
+
+    while (tube_leave_directions[i][0] != Feld[jx][jy])
+    {
+      i++;
+      if (tube_leave_directions[i][0] == -1)	/* should not happen */
+	break;
+    }
+
+    if (!(tube_leave_directions[i][1] & move_direction))
+      return MF_NO_ACTION;	/* tube has no opening in this direction */
+  }
+
   element = Feld[x][y];
 
   switch (element)
@@ -4493,6 +5557,8 @@ int DigField(struct PlayerInfo *player,
       break;
 
     case EL_ERDREICH:
+    case EL_SAND_INVISIBLE:
+    case EL_TRAP_INACTIVE:
       Feld[x][y] = EL_LEERRAUM;
       PlaySoundLevel(x, y, SND_SCHLURF);
       break;
@@ -4510,8 +5576,12 @@ int DigField(struct PlayerInfo *player,
     case EL_EDELSTEIN_LILA:
     case EL_DIAMANT:
     case EL_SP_INFOTRON:
+    case EL_PEARL:
+    case EL_CRYSTAL:
       RemoveField(x, y);
-      local_player->gems_still_needed -= (element == EL_DIAMANT ? 3 : 1);
+      local_player->gems_still_needed -= (element == EL_DIAMANT ? 3 :
+					  element == EL_PEARL ? 5 :
+					  element == EL_CRYSTAL ? 8 : 1);
       if (local_player->gems_still_needed < 0)
 	local_player->gems_still_needed = 0;
       RaiseScoreElement(element);
@@ -4530,6 +5600,34 @@ int DigField(struct PlayerInfo *player,
       PlaySoundLevel(x, y, SND_PONG);
       break;
 
+    case EL_ENVELOPE:
+      Feld[x][y] = EL_LEERRAUM;
+      PlaySoundLevel(x, y, SND_PONG);
+      break;
+
+    case EL_EXTRA_TIME:
+      RemoveField(x, y);
+      if (level.time > 0)
+      {
+	TimeLeft += 10;
+	DrawText(DX_TIME, DY_TIME, int2str(TimeLeft, 3), FS_SMALL, FC_YELLOW);
+      }
+      PlaySoundStereo(SND_GONG, PSND_MAX_RIGHT);
+      break;
+
+    case EL_SHIELD_PASSIVE:
+      RemoveField(x, y);
+      player->shield_passive_time_left += 10;
+      PlaySoundLevel(x, y, SND_PONG);
+      break;
+
+    case EL_SHIELD_ACTIVE:
+      RemoveField(x, y);
+      player->shield_passive_time_left += 10;
+      player->shield_active_time_left += 10;
+      PlaySoundLevel(x, y, SND_PONG);
+      break;
+
     case EL_DYNAMITE_INACTIVE:
     case EL_SP_DISK_RED:
       RemoveField(x, y);
@@ -4576,12 +5674,10 @@ int DigField(struct PlayerInfo *player,
       RemoveField(x, y);
       player->key[key_nr] = TRUE;
       RaiseScoreElement(EL_SCHLUESSEL);
-      DrawMiniGraphicExt(drawto, gc,
-			 DX_KEYS+key_nr*MINI_TILEX, DY_KEYS,
-			 GFX_SCHLUESSEL1+key_nr);
-      DrawMiniGraphicExt(window, gc,
-			 DX_KEYS+key_nr*MINI_TILEX, DY_KEYS,
-			 GFX_SCHLUESSEL1+key_nr);
+      DrawMiniGraphicExt(drawto, DX_KEYS + key_nr * MINI_TILEX, DY_KEYS,
+			 GFX_SCHLUESSEL1 + key_nr);
+      DrawMiniGraphicExt(window, DX_KEYS + key_nr * MINI_TILEX, DY_KEYS,
+			 GFX_SCHLUESSEL1 + key_nr);
       PlaySoundLevel(x, y, SND_PONG);
       break;
     }
@@ -4596,12 +5692,10 @@ int DigField(struct PlayerInfo *player,
       RemoveField(x, y);
       player->key[key_nr] = TRUE;
       RaiseScoreElement(EL_SCHLUESSEL);
-      DrawMiniGraphicExt(drawto, gc,
-			 DX_KEYS+key_nr*MINI_TILEX, DY_KEYS,
-			 GFX_SCHLUESSEL1+key_nr);
-      DrawMiniGraphicExt(window, gc,
-			 DX_KEYS+key_nr*MINI_TILEX, DY_KEYS,
-			 GFX_SCHLUESSEL1+key_nr);
+      DrawMiniGraphicExt(drawto, DX_KEYS + key_nr * MINI_TILEX, DY_KEYS,
+			 GFX_SCHLUESSEL1 + key_nr);
+      DrawMiniGraphicExt(window, DX_KEYS + key_nr * MINI_TILEX, DY_KEYS,
+			 GFX_SCHLUESSEL1 + key_nr);
       PlaySoundLevel(x, y, SND_PONG);
       break;
     }
@@ -4633,76 +5727,67 @@ int DigField(struct PlayerInfo *player,
       }
       break;
 
-    case EL_BELT1_SWITCH_L:
-    case EL_BELT1_SWITCH_M:
-    case EL_BELT1_SWITCH_R:
-    case EL_BELT2_SWITCH_L:
-    case EL_BELT2_SWITCH_M:
-    case EL_BELT2_SWITCH_R:
-    case EL_BELT3_SWITCH_L:
-    case EL_BELT3_SWITCH_M:
-    case EL_BELT3_SWITCH_R:
-    case EL_BELT4_SWITCH_L:
-    case EL_BELT4_SWITCH_M:
-    case EL_BELT4_SWITCH_R:
+    case EL_BELT1_SWITCH_LEFT:
+    case EL_BELT1_SWITCH_MIDDLE:
+    case EL_BELT1_SWITCH_RIGHT:
+    case EL_BELT2_SWITCH_LEFT:
+    case EL_BELT2_SWITCH_MIDDLE:
+    case EL_BELT2_SWITCH_RIGHT:
+    case EL_BELT3_SWITCH_LEFT:
+    case EL_BELT3_SWITCH_MIDDLE:
+    case EL_BELT3_SWITCH_RIGHT:
+    case EL_BELT4_SWITCH_LEFT:
+    case EL_BELT4_SWITCH_MIDDLE:
+    case EL_BELT4_SWITCH_RIGHT:
+      if (!player->Switching)
       {
-	static int belt_base_element[4] =
-	{
-	  EL_BELT1_SWITCH_L,
-	  EL_BELT2_SWITCH_L,
-	  EL_BELT3_SWITCH_L,
-	  EL_BELT4_SWITCH_L
-	};
-	static int belt_move_dir[4] =
-	{
-	  MV_LEFT,
-	  MV_NO_MOVING,
-	  MV_RIGHT,
-	  MV_NO_MOVING,
-	};
-
-	int belt_nr = getBeltNrFromSwitchElement(element);
-	int belt_dir_nr = (game.belt_dir_nr[belt_nr] + 1) % 4;
-	int belt_dir = belt_move_dir[belt_dir_nr];
-	int xx, yy;
+	player->Switching = TRUE;
+	ToggleBeltSwitch(x, y);
+      }
+      return MF_ACTION;
+      break;
 
-	if (player->Switching)
-	  return MF_ACTION;
+    case EL_SWITCHGATE_SWITCH_1:
+    case EL_SWITCHGATE_SWITCH_2:
+      if (!player->Switching)
+      {
+	player->Switching = TRUE;
+	ToggleSwitchgateSwitch(x, y);
+      }
+      return MF_ACTION;
+      break;
 
-	game.belt_dir_nr[belt_nr] = belt_dir_nr;
-	game.belt_dir[belt_nr] = belt_dir;
+    case EL_LIGHT_SWITCH_OFF:
+    case EL_LIGHT_SWITCH_ON:
+      if (!player->Switching)
+      {
+	player->Switching = TRUE;
+	ToggleLightSwitch(x, y);
+      }
+      return MF_ACTION;
+      break;
 
-	if (belt_dir_nr == 3)
-	  belt_dir_nr = 1;
+    case EL_TIMEGATE_SWITCH_OFF:
+      ActivateTimegateSwitch(x, y);
 
-	player->Switching = TRUE;
+      return MF_ACTION;
+      break;
 
-	for (yy=0; yy<lev_fieldy; yy++)
-	{
-	  for (xx=0; xx<lev_fieldx; xx++)
-	  {
-	    if (IS_BELT_SWITCH(Feld[xx][yy]))
-	    {
-	      int e_belt_nr = getBeltNrFromSwitchElement(Feld[xx][yy]);
-
-	      if (e_belt_nr == belt_nr)
-	      {
-		Feld[xx][yy] = belt_base_element[belt_nr] + belt_dir_nr;
-		DrawLevelField(xx, yy);
-	      }
-	    }
-	    else if (belt_dir == MV_NO_MOVING && IS_BELT(Feld[xx][yy]))
-	    {
-	      int e_belt_nr = getBeltNrFromElement(Feld[xx][yy]);
-
-	      if (e_belt_nr == belt_nr)
-		DrawLevelField(xx, yy);    /* set belt to parking position */
-	    }
-	  }
-	}
+    case EL_BALLOON_SEND_LEFT:
+    case EL_BALLOON_SEND_RIGHT:
+    case EL_BALLOON_SEND_UP:
+    case EL_BALLOON_SEND_DOWN:
+    case EL_BALLOON_SEND_ANY:
+      if (element == EL_BALLOON_SEND_ANY)
+	game.balloon_dir = move_direction;
+      else
+	game.balloon_dir = (element == EL_BALLOON_SEND_LEFT  ? MV_LEFT :
+			    element == EL_BALLOON_SEND_RIGHT ? MV_RIGHT :
+			    element == EL_BALLOON_SEND_UP    ? MV_UP :
+			    element == EL_BALLOON_SEND_DOWN  ? MV_DOWN :
+			    MV_NO_MOVING);
 
-	return MF_ACTION;
-      }
+      return MF_ACTION;
       break;
 
     case EL_SP_EXIT:
@@ -4714,11 +5799,14 @@ int DigField(struct PlayerInfo *player,
       break;
 
     case EL_FELSBROCKEN:
+    case EL_BD_ROCK:
     case EL_BOMBE:
+    case EL_DX_SUPABOMB:
     case EL_KOKOSNUSS:
     case EL_ZEIT_LEER:
     case EL_SP_ZONK:
     case EL_SP_DISK_ORANGE:
+    case EL_SPRING:
       if (dy || mode == DF_SNAP)
 	return MF_NO_ACTION;
 
@@ -4735,24 +5823,37 @@ int DigField(struct PlayerInfo *player,
 
       if (player->push_delay == 0)
 	player->push_delay = FrameCounter;
+#if 0
+      if (!FrameReached(&player->push_delay, player->push_delay_value) &&
+	  !tape.playing && element != EL_SPRING)
+	return MF_NO_ACTION;
+#else
       if (!FrameReached(&player->push_delay, player->push_delay_value) &&
-	  !tape.playing)
+	  !(tape.playing && tape.game_version < GAME_VERSION_2_0) &&
+	  element != EL_SPRING)
 	return MF_NO_ACTION;
+#endif
 
       RemoveField(x, y);
       Feld[x+dx][y+dy] = element;
 
-      player->push_delay_value = 2+RND(8);
+      if (element == EL_SPRING)
+      {
+	Feld[x+dx][y+dy] = EL_SPRING_MOVING;
+	MovDir[x+dx][y+dy] = move_direction;
+      }
+
+      player->push_delay_value = (element == EL_SPRING ? 0 : 2 + RND(8));
 
       DrawLevelField(x+dx, y+dy);
-      if (element == EL_FELSBROCKEN)
+      if (element == EL_FELSBROCKEN || element == EL_BD_ROCK)
 	PlaySoundLevel(x+dx, y+dy, SND_PUSCH);
       else if (element == EL_KOKOSNUSS)
 	PlaySoundLevel(x+dx, y+dy, SND_KNURK);
       else if (IS_SP_ELEMENT(element))
 	PlaySoundLevel(x+dx, y+dy, SND_SP_ZONKPUSH);
       else
-	PlaySoundLevel(x+dx, y+dy, SND_KLOPF);
+	PlaySoundLevel(x+dx, y+dy, SND_PUSCH);	/* better than "SND_KLOPF" */
       break;
 
     case EL_PFORTE1:
@@ -4805,6 +5906,19 @@ int DigField(struct PlayerInfo *player,
 
       break;
 
+    case EL_SWITCHGATE_OPEN:
+    case EL_TIMEGATE_OPEN:
+      if (!IN_LEV_FIELD(x + dx, y + dy) || !IS_FREE(x + dx, y + dy))
+	return MF_NO_ACTION;
+
+      /* automatically move to the next field with double speed */
+      player->programmed_action = move_direction;
+      DOUBLE_PLAYER_SPEED(player);
+
+      PlaySoundLevel(x, y, SND_GATE);
+
+      break;
+
     case EL_SP_PORT1_LEFT:
     case EL_SP_PORT2_LEFT:
     case EL_SP_PORT1_RIGHT:
@@ -4845,7 +5959,47 @@ int DigField(struct PlayerInfo *player,
       DOUBLE_PLAYER_SPEED(player);
 
       PlaySoundLevel(x, y, SND_GATE);
+      break;
 
+    case EL_TUBE_CROSS:
+    case EL_TUBE_VERTICAL:
+    case EL_TUBE_HORIZONTAL:
+    case EL_TUBE_VERT_LEFT:
+    case EL_TUBE_VERT_RIGHT:
+    case EL_TUBE_HORIZ_UP:
+    case EL_TUBE_HORIZ_DOWN:
+    case EL_TUBE_LEFT_UP:
+    case EL_TUBE_LEFT_DOWN:
+    case EL_TUBE_RIGHT_UP:
+    case EL_TUBE_RIGHT_DOWN:
+      {
+	int i = 0;
+	int tube_enter_directions[][2] =
+	{
+	  { EL_TUBE_CROSS,	MV_LEFT | MV_RIGHT | MV_UP | MV_DOWN },
+	  { EL_TUBE_VERTICAL,	                     MV_UP | MV_DOWN },
+	  { EL_TUBE_HORIZONTAL,	MV_LEFT | MV_RIGHT                   },
+	  { EL_TUBE_VERT_LEFT,	          MV_RIGHT | MV_UP | MV_DOWN },
+	  { EL_TUBE_VERT_RIGHT,	MV_LEFT            | MV_UP | MV_DOWN },
+	  { EL_TUBE_HORIZ_UP,	MV_LEFT | MV_RIGHT |         MV_DOWN },
+	  { EL_TUBE_HORIZ_DOWN,	MV_LEFT | MV_RIGHT | MV_UP           },
+	  { EL_TUBE_LEFT_UP,	          MV_RIGHT |         MV_DOWN },
+	  { EL_TUBE_LEFT_DOWN,	          MV_RIGHT | MV_UP           },
+	  { EL_TUBE_RIGHT_UP,	MV_LEFT |                    MV_DOWN },
+	  { EL_TUBE_RIGHT_DOWN,	MV_LEFT |            MV_UP           },
+	  { -1,			MV_NO_MOVING                         }
+	};
+
+	while (tube_enter_directions[i][0] != element)
+	{
+	  i++;
+	  if (tube_enter_directions[i][0] == -1)	/* should not happen */
+	    break;
+	}
+
+	if (!(tube_enter_directions[i][1] & move_direction))
+	  return MF_NO_ACTION;	/* tube has no opening in this direction */
+      }
       break;
 
     case EL_AUSGANG_ZU:
@@ -4886,6 +6040,7 @@ int DigField(struct PlayerInfo *player,
     case EL_SOKOBAN_OBJEKT:
     case EL_SONDE:
     case EL_SP_DISK_YELLOW:
+    case EL_BALLOON:
       if (mode == DF_SNAP)
 	return MF_NO_ACTION;
 
@@ -4910,9 +6065,16 @@ int DigField(struct PlayerInfo *player,
 
       if (player->push_delay == 0)
 	player->push_delay = FrameCounter;
+#if 0
+      if (!FrameReached(&player->push_delay, player->push_delay_value) &&
+	  !tape.playing && element != EL_BALLOON)
+	return MF_NO_ACTION;
+#else
       if (!FrameReached(&player->push_delay, player->push_delay_value) &&
-	  !tape.playing)
+	  !(tape.playing && tape.game_version < GAME_VERSION_2_0) &&
+	  element != EL_BALLOON)
 	return MF_NO_ACTION;
+#endif
 
       if (IS_SB_ELEMENT(element))
       {
@@ -4940,11 +6102,14 @@ int DigField(struct PlayerInfo *player,
 	Feld[x+dx][y+dy] = element;
       }
 
-      player->push_delay_value = 2;
+      player->push_delay_value = (element == EL_BALLOON ? 0 : 2);
 
       DrawLevelField(x, y);
       DrawLevelField(x+dx, y+dy);
-      PlaySoundLevel(x+dx, y+dy, SND_PUSCH);
+      if (element == EL_BALLOON)
+	PlaySoundLevel(x+dx, y+dy, SND_SCHLURF);
+      else
+	PlaySoundLevel(x+dx, y+dy, SND_PUSCH);
 
       if (IS_SB_ELEMENT(element) &&
 	  local_player->sokobanfields_still_needed == 0 &&
@@ -4956,7 +6121,6 @@ int DigField(struct PlayerInfo *player,
 
       break;
 
-    case EL_MAULWURF:
     case EL_PINGUIN:
     case EL_SCHWEIN:
     case EL_DRACHE:
@@ -5067,7 +6231,7 @@ void PlaySoundLevel(int x, int y, int sound_nr)
 
   volume = PSND_MAX_VOLUME;
 
-#ifndef MSDOS
+#if !defined(PLATFORM_MSDOS)
   stereo = (sx - SCR_FIELDX/2) * 12;
 #else
   stereo = PSND_MIDDLE + (2 * sx - (SCR_FIELDX - 1)) * 5;
@@ -5141,6 +6305,31 @@ void RaiseScoreElement(int element)
   }
 }
 
+void RequestQuitGame(boolean ask_if_really_quit)
+{
+  if (AllPlayersGone ||
+      !ask_if_really_quit ||
+      level_editor_test_game ||
+      Request("Do you really want to quit the game ?",
+	      REQ_ASK | REQ_STAY_CLOSED))
+  {
+#if defined(PLATFORM_UNIX)
+    if (options.network)
+      SendToServer_StopPlaying();
+    else
+#endif
+    {
+      game_status = MAINMENU;
+      DrawMainMenu();
+    }
+  }
+  else
+  {
+    OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
+  }
+}
+
+
 /* ---------- new game button stuff ---------------------------------------- */
 
 /* graphic position values for game buttons */
@@ -5203,7 +6392,7 @@ void CreateGameButtons()
 
   for (i=0; i<NUM_GAME_BUTTONS; i++)
   {
-    Pixmap gd_pixmap = pix[PIX_DOOR];
+    Bitmap *gd_bitmap = pix[PIX_DOOR];
     struct GadgetInfo *gi;
     int button_type;
     boolean checked;
@@ -5248,10 +6437,10 @@ void CreateGameButtons()
 		      GDI_TYPE, button_type,
 		      GDI_STATE, GD_BUTTON_UNPRESSED,
 		      GDI_CHECKED, checked,
-		      GDI_DESIGN_UNPRESSED, gd_pixmap, gd_x1, gd_y1,
-		      GDI_DESIGN_PRESSED, gd_pixmap, gd_x2, gd_y1,
-		      GDI_ALT_DESIGN_UNPRESSED, gd_pixmap, gd_x1, gd_y2,
-		      GDI_ALT_DESIGN_PRESSED, gd_pixmap, gd_x2, gd_y2,
+		      GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
+		      GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
+		      GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
+		      GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
 		      GDI_EVENT_MASK, event_mask,
 		      GDI_CALLBACK_ACTION, HandleGameButtons,
 		      GDI_END);
@@ -5289,36 +6478,13 @@ static void HandleGameButtons(struct GadgetInfo *gi)
   switch (id)
   {
     case GAME_CTRL_ID_STOP:
-      if (AllPlayersGone)
-      {
-	CloseDoor(DOOR_CLOSE_1);
-	game_status = MAINMENU;
-	DrawMainMenu();
-	break;
-      }
-
-      if (level_editor_test_game ||
-	  Request("Do you really want to quit the game ?",
-		  REQ_ASK | REQ_STAY_CLOSED))
-      { 
-#ifndef MSDOS
-	if (options.network)
-	  SendToServer_StopPlaying();
-	else
-#endif
-	{
-	  game_status = MAINMENU;
-	  DrawMainMenu();
-	}
-      }
-      else
-	OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
+      RequestQuitGame(TRUE);
       break;
 
     case GAME_CTRL_ID_PAUSE:
       if (options.network)
       {
-#ifndef MSDOS
+#if defined(PLATFORM_UNIX)
 	if (tape.pausing)
 	  SendToServer_ContinuePlaying();
 	else
@@ -5332,7 +6498,7 @@ static void HandleGameButtons(struct GadgetInfo *gi)
     case GAME_CTRL_ID_PLAY:
       if (tape.pausing)
       {
-#ifndef MSDOS
+#if defined(PLATFORM_UNIX)
 	if (options.network)
 	  SendToServer_ContinuePlaying();
 	else
@@ -5348,26 +6514,27 @@ static void HandleGameButtons(struct GadgetInfo *gi)
       if (setup.sound_music)
       { 
 	setup.sound_music = FALSE;
-	FadeSound(background_loop[level_nr % num_bg_loops]);
+	FadeMusic();
       }
-      else if (sound_loops_allowed)
+      else if (audio.music_available)
       { 
 	setup.sound = setup.sound_music = TRUE;
-	PlaySoundLoop(background_loop[level_nr % num_bg_loops]);
+	if (num_bg_loops)
+	  PlayMusic(level_nr % num_bg_loops);
       }
       break;
 
     case SOUND_CTRL_ID_LOOPS:
       if (setup.sound_loops)
 	setup.sound_loops = FALSE;
-      else if (sound_loops_allowed)
+      else if (audio.loops_available)
 	setup.sound = setup.sound_loops = TRUE;
       break;
 
     case SOUND_CTRL_ID_SIMPLE:
       if (setup.sound_simple)
 	setup.sound_simple = FALSE;
-      else if (sound_status==SOUND_AVAILABLE)
+      else if (audio.sound_available)
 	setup.sound = setup.sound_simple = TRUE;
       break;