rocksndiamonds-3.3.0.0
[rocksndiamonds.git] / src / tools.c
index ba053b0da21884c8f637258f9f037ec649fc32ef..c26996b6720fef0ee85581256e04de8eb3322ad7 100644 (file)
@@ -1,7 +1,7 @@
 /***********************************************************
 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
 *----------------------------------------------------------*
-* (c) 1995-2002 Artsoft Entertainment                      *
+* (c) 1995-2006 Artsoft Entertainment                      *
 *               Holger Schemel                             *
 *               Detmolder Strasse 189                      *
 *               33604 Bielefeld                            *
 #include "libgame/libgame.h"
 
 #include "tools.h"
+#include "init.h"
 #include "game.h"
 #include "events.h"
 #include "cartoons.h"
 #include "network.h"
 #include "tape.h"
+#include "screens.h"
+
+
+/* select level set with EMC X11 graphics before activating EM GFX debugging */
+#define DEBUG_EM_GFX   0
 
 /* tool button identifiers */
 #define TOOL_CTRL_ID_YES       0
@@ -63,6 +69,12 @@ void DumpTile(int x, int y)
   int sx = SCREENX(x);
   int sy = SCREENY(y);
 
+  if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
+  {
+    x--;
+    y--;
+  }
+
   printf_line("-", 79);
   printf("Field Info: SCREEN(%d, %d), LEVEL(%d, %d)\n", sx, sy, x, y);
   printf_line("-", 79);
@@ -85,6 +97,7 @@ void DumpTile(int x, int y)
   printf("  MovDir:      %d\n", MovDir[x][y]);
   printf("  MovDelay:    %d\n", MovDelay[x][y]);
   printf("  ChangeDelay: %d\n", ChangeDelay[x][y]);
+  printf("  CustomValue: %d\n", CustomValue[x][y]);
   printf("  GfxElement:  %d\n", GfxElement[x][y]);
   printf("  GfxAction:   %d\n", GfxAction[x][y]);
   printf("  GfxFrame:    %d\n", GfxFrame[x][y]);
@@ -106,7 +119,7 @@ void SetDrawtoField(int mode)
 
     drawto_field = fieldbuffer;
   }
-  else /* DRAW_DIRECT, DRAW_BACKBUFFER */
+  else /* DRAW_BACKBUFFER */
   {
     FX = SX;
     FY = SY;
@@ -117,13 +130,32 @@ void SetDrawtoField(int mode)
     redraw_x1 = 0;
     redraw_y1 = 0;
 
-    drawto_field = (mode == DRAW_DIRECT ? window :  backbuffer);
+    drawto_field = backbuffer;
   }
 }
 
 void RedrawPlayfield(boolean force_redraw, int x, int y, int width, int height)
 {
-  if (game_status == GAME_MODE_PLAYING && !game.envelope_active)
+  if (game_status == GAME_MODE_PLAYING &&
+      level.game_engine_type == GAME_ENGINE_TYPE_EM)
+  {
+    /* currently there is no partial redraw -- always redraw whole playfield */
+    RedrawPlayfield_EM(TRUE);
+
+    /* blit playfield from scroll buffer to normal back buffer for fading in */
+    BlitScreenToBitmap_EM(backbuffer);
+  }
+  else if (game_status == GAME_MODE_PLAYING &&
+          level.game_engine_type == GAME_ENGINE_TYPE_SP)
+  {
+    /* currently there is no partial redraw -- always redraw whole playfield */
+    RedrawPlayfield_SP(TRUE);
+
+    /* blit playfield from scroll buffer to normal back buffer for fading in */
+    BlitScreenToBitmap_SP(backbuffer);
+  }
+  else if (game_status == GAME_MODE_PLAYING &&
+          !game.envelope_active)
   {
     if (force_redraw)
     {
@@ -133,23 +165,17 @@ void RedrawPlayfield(boolean force_redraw, int x, int y, int width, int height)
       height = gfx.sysize + 2 * TILEY;
     }
 
-    if (force_redraw || setup.direct_draw)
+    if (force_redraw)
     {
       int xx, yy;
       int x1 = (x - SX) / TILEX, y1 = (y - SY) / TILEY;
       int x2 = (x - SX + width) / TILEX, y2 = (y - SY + height) / TILEY;
 
-      if (setup.direct_draw)
-       SetDrawtoField(DRAW_BACKBUFFER);
-
       for (xx = BX1; xx <= BX2; xx++)
        for (yy = BY1; yy <= BY2; yy++)
          if (xx >= x1 && xx <= x2 && yy >= y1 && yy <= y2)
            DrawScreenField(xx, yy);
       DrawAllPlayers();
-
-      if (setup.direct_draw)
-       SetDrawtoField(DRAW_DIRECT);
     }
 
     if (setup.soft_scrolling)
@@ -163,16 +189,97 @@ void RedrawPlayfield(boolean force_redraw, int x, int y, int width, int height)
     }
   }
 
+  if (force_redraw)
+  {
+    x = gfx.sx;
+    y = gfx.sy;
+    width = gfx.sxsize;
+    height = gfx.sysize;
+  }
+
   BlitBitmap(drawto, window, x, y, width, height, x, y);
 }
 
+void DrawMaskedBorder_Rect(int x, int y, int width, int height)
+{
+  Bitmap *bitmap = graphic_info[IMG_GLOBAL_BORDER].bitmap;
+
+  SetClipOrigin(bitmap, bitmap->stored_clip_gc, 0, 0);
+  BlitBitmapMasked(bitmap, backbuffer, x, y, width, height, x, y);
+}
+
+void DrawMaskedBorder_FIELD()
+{
+  if (global.border_status >= GAME_MODE_TITLE &&
+      global.border_status <= GAME_MODE_PLAYING &&
+      border.draw_masked[global.border_status])
+    DrawMaskedBorder_Rect(REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
+}
+
+void DrawMaskedBorder_DOOR_1()
+{
+  if (border.draw_masked[GFX_SPECIAL_ARG_DOOR] &&
+      (global.border_status != GAME_MODE_EDITOR ||
+       border.draw_masked[GFX_SPECIAL_ARG_EDITOR]))
+    DrawMaskedBorder_Rect(DX, DY, DXSIZE, DYSIZE);
+}
+
+void DrawMaskedBorder_DOOR_2()
+{
+  if (border.draw_masked[GFX_SPECIAL_ARG_DOOR] &&
+      global.border_status != GAME_MODE_EDITOR)
+    DrawMaskedBorder_Rect(VX, VY, VXSIZE, VYSIZE);
+}
+
+void DrawMaskedBorder_DOOR_3()
+{
+  /* currently not available */
+}
+
+void DrawMaskedBorder_ALL()
+{
+  DrawMaskedBorder_FIELD();
+  DrawMaskedBorder_DOOR_1();
+  DrawMaskedBorder_DOOR_2();
+  DrawMaskedBorder_DOOR_3();
+}
+
+void DrawMaskedBorder(int redraw_mask)
+{
+  /* never draw masked screen borders on borderless screens */
+  if (effectiveGameStatus() == GAME_MODE_LOADING ||
+      effectiveGameStatus() == GAME_MODE_TITLE)
+    return;
+
+  if (redraw_mask & REDRAW_ALL)
+    DrawMaskedBorder_ALL();
+  else
+  {
+    if (redraw_mask & REDRAW_FIELD)
+      DrawMaskedBorder_FIELD();
+    if (redraw_mask & REDRAW_DOOR_1)
+      DrawMaskedBorder_DOOR_1();
+    if (redraw_mask & REDRAW_DOOR_2)
+      DrawMaskedBorder_DOOR_2();
+    if (redraw_mask & REDRAW_DOOR_3)
+      DrawMaskedBorder_DOOR_3();
+  }
+}
+
 void BackToFront()
 {
-  int x,y;
+  int x, y;
   DrawBuffer *buffer = (drawto_field == window ? backbuffer : drawto_field);
 
-  if (setup.direct_draw && game_status == GAME_MODE_PLAYING)
-    redraw_mask &= ~REDRAW_MAIN;
+#if 0
+  printf("::: TILES TO REFRESH: %d\n", redraw_tiles);
+  for (x = 0; x < SCR_FIELDX; x++)
+    for (y = 0 ; y < SCR_FIELDY; y++)
+      if (redraw[redraw_x1 + x][redraw_y1 + y])
+       printf("::: - %d, %d [%s]\n",
+              LEVELX(x), LEVELY(y),
+              EL_NAME(Feld[LEVELX(x)][LEVELY(y)]));
+#endif
 
   if (redraw_mask & REDRAW_TILES && redraw_tiles > REDRAWTILES_THRESHOLD)
     redraw_mask |= REDRAW_FIELD;
@@ -183,6 +290,11 @@ void BackToFront()
   if (redraw_mask == REDRAW_NONE)
     return;
 
+  if (redraw_mask & REDRAW_TILES &&
+      game_status == GAME_MODE_PLAYING &&
+      border.draw_masked[GAME_MODE_PLAYING])
+    redraw_mask |= REDRAW_FIELD;
+
   if (global.fps_slowdown && game_status == GAME_MODE_PLAYING)
   {
     static boolean last_frame_skipped = FALSE;
@@ -220,14 +332,27 @@ void BackToFront()
 
   SyncDisplay();
 
+  /* prevent drawing masked border to backbuffer when using playfield buffer */
+  if (game_status != GAME_MODE_PLAYING ||
+      redraw_mask & REDRAW_FROM_BACKBUFFER ||
+      buffer == backbuffer)
+    DrawMaskedBorder(redraw_mask);
+  else
+    DrawMaskedBorder(redraw_mask & REDRAW_DOORS);
+
   if (redraw_mask & REDRAW_ALL)
   {
     BlitBitmap(backbuffer, window, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
-    redraw_mask = 0;
+
+    redraw_mask = REDRAW_NONE;
   }
 
   if (redraw_mask & REDRAW_FIELD)
   {
+#if 0
+    printf("::: REDRAW_FIELD\n");
+#endif
+
     if (game_status != GAME_MODE_PLAYING ||
        redraw_mask & REDRAW_FROM_BACKBUFFER)
     {
@@ -249,10 +374,26 @@ void BackToFront()
          ABS(ScreenMovPos) == ScrollStepSize ||
          redraw_tiles > REDRAWTILES_THRESHOLD)
       {
-       BlitBitmap(buffer, window, fx, fy, SXSIZE, SYSIZE, SX, SY);
+       if (border.draw_masked[GAME_MODE_PLAYING])
+       {
+         if (buffer != backbuffer)
+         {
+           /* copy playfield buffer to backbuffer to add masked border */
+           BlitBitmap(buffer, backbuffer, fx, fy, SXSIZE, SYSIZE, SX, SY);
+           DrawMaskedBorder(REDRAW_FIELD);
+         }
+
+         BlitBitmap(backbuffer, window,
+                    REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE,
+                    REAL_SX, REAL_SY);
+       }
+       else
+       {
+         BlitBitmap(buffer, window, fx, fy, SXSIZE, SYSIZE, SX, SY);
+       }
 
-#ifdef DEBUG
 #if 0
+#ifdef DEBUG
        printf("redrawing all (ScreenGfxPos == %d) because %s\n",
               ScreenGfxPos,
               (setup.soft_scrolling ?
@@ -276,32 +417,7 @@ void BackToFront()
       BlitBitmap(backbuffer, window, DX, DY, DXSIZE, DYSIZE, DX, DY);
 
     if (redraw_mask & REDRAW_DOOR_2)
-    {
-#if 0
-      if ((redraw_mask & REDRAW_DOOR_2) == REDRAW_DOOR_2)
-#endif
-       BlitBitmap(backbuffer, window, VX, VY, VXSIZE, VYSIZE, VX, VY);
-#if 0
-      else
-      {
-       if (redraw_mask & REDRAW_VIDEO_1)
-         BlitBitmap(backbuffer, window,
-                    VX + VIDEO_DISPLAY1_XPOS, VY + VIDEO_DISPLAY1_YPOS,
-                    VIDEO_DISPLAY_XSIZE, VIDEO_DISPLAY_YSIZE,
-                    VX + VIDEO_DISPLAY1_XPOS, VY + VIDEO_DISPLAY1_YPOS);
-       if (redraw_mask & REDRAW_VIDEO_2)
-         BlitBitmap(backbuffer, window,
-                    VX + VIDEO_DISPLAY2_XPOS, VY + VIDEO_DISPLAY2_YPOS,
-                    VIDEO_DISPLAY_XSIZE, VIDEO_DISPLAY_YSIZE,
-                    VX + VIDEO_DISPLAY2_XPOS, VY + VIDEO_DISPLAY2_YPOS);
-       if (redraw_mask & REDRAW_VIDEO_3)
-         BlitBitmap(backbuffer, window,
-                    VX + VIDEO_CONTROL_XPOS, VY + VIDEO_CONTROL_YPOS,
-                    VIDEO_CONTROL_XSIZE, VIDEO_CONTROL_YSIZE,
-                    VX + VIDEO_CONTROL_XPOS, VY + VIDEO_CONTROL_YPOS);
-      }
-#endif
-    }
+      BlitBitmap(backbuffer, window, VX, VY, VXSIZE, VYSIZE, VX, VY);
 
     if (redraw_mask & REDRAW_DOOR_3)
       BlitBitmap(backbuffer, window, EX, EY, EXSIZE, EYSIZE, EX, EY);
@@ -319,6 +435,10 @@ void BackToFront()
 
   if (redraw_mask & REDRAW_TILES)
   {
+#if 0
+    printf("::: REDRAW_TILES\n");
+#endif
+
     for (x = 0; x < SCR_FIELDX; x++)
       for (y = 0 ; y < SCR_FIELDY; y++)
        if (redraw[redraw_x1 + x][redraw_y1 + y])
@@ -336,8 +456,12 @@ void BackToFront()
     if (!global.fps_slowdown)
       info1[0] = '\0';
 
-    sprintf(text, "%.1f fps%s", global.frames_per_second, info1);
+    sprintf(text, "%04.1f fps%s", global.frames_per_second, info1);
+#if 1
+    DrawTextExt(window, SX + SXSIZE + SX, 0, text, FONT_TEXT_2, BLIT_OPAQUE);
+#else
     DrawTextExt(window, SX, SY, text, FONT_TEXT_2, BLIT_OPAQUE);
+#endif
   }
 
   FlushDisplay();
@@ -349,596 +473,539 @@ void BackToFront()
   redraw_mask = REDRAW_NONE;
 }
 
-void FadeToFront()
+static void FadeCrossSaveBackbuffer()
 {
-#if 0
-  long fading_delay = 300;
+  BlitBitmap(backbuffer, bitmap_db_cross, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+}
+
+static void FadeExt(int fade_mask, int fade_mode, int fade_type)
+{
+  static int fade_type_skip = FADE_TYPE_NONE;
+  void (*draw_border_function)(void) = NULL;
+  Bitmap *bitmap = (fade_mode & FADE_TYPE_TRANSFORM ? bitmap_db_cross : NULL);
+  int x, y, width, height;
+  int fade_delay, post_delay;
 
-  if (setup.fading && (redraw_mask & REDRAW_FIELD))
+  if (fade_type == FADE_TYPE_FADE_OUT)
   {
+    if (fade_type_skip != FADE_TYPE_NONE)
+    {
+#if 0
+      printf("::: skipping %d ... [%d] (X)\n", fade_mode, fade_type_skip);
 #endif
 
-#if 0
-    int x,y;
+      /* skip all fade operations until specified fade operation */
+      if (fade_type & fade_type_skip)
+       fade_type_skip = FADE_TYPE_NONE;
 
-    ClearRectangle(window, REAL_SX,REAL_SY,FULL_SXSIZE,FULL_SYSIZE);
-    FlushDisplay();
+      return;
+    }
 
-    for (i = 0; i < 2 * FULL_SYSIZE; i++)
+    if (fading.fade_mode & FADE_TYPE_TRANSFORM)
     {
-      for (y = 0; y < FULL_SYSIZE; y++)
-      {
-       BlitBitmap(backbuffer, window,
-                  REAL_SX,REAL_SY+i, FULL_SXSIZE,1, REAL_SX,REAL_SY+i);
-      }
-      FlushDisplay();
-      Delay(10);
+      FadeCrossSaveBackbuffer();
+
+      return;
     }
-#endif
+  }
 
+  redraw_mask |= fade_mask;
+
+  if (fade_type == FADE_TYPE_SKIP)
+  {
 #if 0
-    for (i = 1; i < FULL_SYSIZE; i+=2)
-      BlitBitmap(backbuffer, window,
-                REAL_SX,REAL_SY+i, FULL_SXSIZE,1, REAL_SX,REAL_SY+i);
-    FlushDisplay();
-    Delay(fading_delay);
+    printf("::: will skip %d ... [%d]\n", fade_mode, fade_type_skip);
 #endif
 
-#if 0
-    SetClipOrigin(clip_gc[PIX_FADEMASK], 0, 0);
-    BlitBitmapMasked(backbuffer, window,
-                    REAL_SX,REAL_SY, FULL_SXSIZE,FULL_SYSIZE,
-                    REAL_SX,REAL_SY);
-    FlushDisplay();
-    Delay(fading_delay);
-
-    SetClipOrigin(clip_gc[PIX_FADEMASK], -1, -1);
-    BlitBitmapMasked(backbuffer, window,
-                    REAL_SX,REAL_SY, FULL_SXSIZE,FULL_SYSIZE,
-                    REAL_SX,REAL_SY);
-    FlushDisplay();
-    Delay(fading_delay);
-
-    SetClipOrigin(clip_gc[PIX_FADEMASK], 0, -1);
-    BlitBitmapMasked(backbuffer, window,
-                    REAL_SX,REAL_SY, FULL_SXSIZE,FULL_SYSIZE,
-                    REAL_SX,REAL_SY);
-    FlushDisplay();
-    Delay(fading_delay);
-
-    SetClipOrigin(clip_gc[PIX_FADEMASK], -1, 0);
-    BlitBitmapMasked(backbuffer, window,
-                    REAL_SX,REAL_SY, FULL_SXSIZE,FULL_SYSIZE,
-                    REAL_SX,REAL_SY);
-    FlushDisplay();
-    Delay(fading_delay);
+    fade_type_skip = fade_mode;
 
-    redraw_mask &= ~REDRAW_MAIN;
+    return;
   }
-#endif
-
-  BackToFront();
-}
 
-void SetMainBackgroundImage(int graphic)
-{
-  SetMainBackgroundBitmap(graphic == IMG_UNDEFINED ? NULL :
-                         graphic_info[graphic].bitmap ?
-                         graphic_info[graphic].bitmap :
-                         graphic_info[IMG_BACKGROUND].bitmap);
-}
+#if 0
+  printf("::: !!! FADING %d ... [%d] [%d]\n", fade_mode, fade_type,
+        fade_type_skip);
+#endif
 
-void SetDoorBackgroundImage(int graphic)
-{
-  SetDoorBackgroundBitmap(graphic == IMG_UNDEFINED ? NULL :
-                         graphic_info[graphic].bitmap ?
-                         graphic_info[graphic].bitmap :
-                         graphic_info[IMG_BACKGROUND].bitmap);
-}
+#if 1
+  fade_delay = fading.fade_delay;
+  post_delay = (fade_mode == FADE_MODE_FADE_OUT ? fading.post_delay : 0);
+#endif
 
-void DrawBackground(int dest_x, int dest_y, int width, int height)
-{
-  ClearRectangleOnBackground(backbuffer, dest_x, dest_y, width, height);
+  if (fade_type_skip != FADE_TYPE_NONE)
+  {
+#if 0
+    printf("::: skipping %d ... [%d]\n", fade_mode, fade_type_skip);
+#endif
 
-  redraw_mask |= REDRAW_FIELD;
-}
+    /* skip all fade operations until specified fade operation */
+    if (fade_type & fade_type_skip)
+      fade_type_skip = FADE_TYPE_NONE;
 
-void ClearWindow()
-{
-  DrawBackground(REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
+#if 1
+    fade_delay = 0;
+#else
+    return;
+#endif
+  }
 
-  if (setup.soft_scrolling && game_status == GAME_MODE_PLAYING)
+#if 1
+  if (global.autoplay_leveldir)
   {
-    ClearRectangle(fieldbuffer, 0, 0, FXSIZE, FYSIZE);
-    SetDrawtoField(DRAW_BUFFERED);
+    // fading.fade_mode = FADE_MODE_NONE;
+
+    return;
   }
-  else
-    SetDrawtoField(DRAW_BACKBUFFER);
+#endif
 
-  if (setup.direct_draw && game_status == GAME_MODE_PLAYING)
+#if 0
+  if (fading.fade_mode == FADE_MODE_NONE)
   {
-    ClearRectangle(window, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
-    SetDrawtoField(DRAW_DIRECT);
+    BackToFront();
+
+    return;
   }
-}
+#endif
 
-void MarkTileDirty(int x, int y)
-{
-  int xx = redraw_x1 + x;
-  int yy = redraw_y1 + y;
+  /* !!! what about fade_mask == REDRAW_FIELD | REDRAW_ALL ??? !!! */
 
-  if (!redraw[xx][yy])
-    redraw_tiles++;
+#if 0
+  printf("::: NOW FADING %d ... [%d]\n", fade_mode, fade_type);
+#endif
 
-  redraw[xx][yy] = TRUE;
-  redraw_mask |= REDRAW_TILES;
-}
+#if 0
+  if (fade_mask == REDRAW_NONE)
+    fade_mask = REDRAW_FIELD;
+#endif
 
-void SetBorderElement()
-{
-  int x, y;
+  // if (fade_mask & REDRAW_FIELD)
+  if (fade_mask == REDRAW_FIELD)
+  {
+    x = REAL_SX;
+    y = REAL_SY;
+    width  = FULL_SXSIZE;
+    height = FULL_SYSIZE;
 
-  BorderElement = EL_EMPTY;
+#if 0
+    fade_delay = fading.fade_delay;
+    post_delay = (fade_mode == FADE_MODE_FADE_OUT ? fading.post_delay : 0);
+#endif
 
-  for (y = 0; y < lev_fieldy && BorderElement == EL_EMPTY; y++)
+    if (border.draw_masked_when_fading)
+      draw_border_function = DrawMaskedBorder_FIELD;   /* update when fading */
+    else
+      DrawMaskedBorder_FIELD();                                /* draw once */
+  }
+  else         /* REDRAW_ALL */
   {
-    for (x = 0; x < lev_fieldx; x++)
-    {
-      if (!IS_INDESTRUCTIBLE(Feld[x][y]))
-       BorderElement = EL_STEELWALL;
+    x = 0;
+    y = 0;
+    width  = WIN_XSIZE;
+    height = WIN_YSIZE;
 
-      if (y != 0 && y != lev_fieldy - 1 && x != lev_fieldx - 1)
-       x = lev_fieldx - 2;
-    }
+#if 0
+    fade_delay = fading.fade_delay;
+    post_delay = (fade_mode == FADE_MODE_FADE_OUT ? fading.post_delay : 0);
+#endif
+  }
+
+#if 1
+  if (!setup.fade_screens ||
+      fade_delay == 0 ||
+      fading.fade_mode == FADE_MODE_NONE)
+#else
+  if (!setup.fade_screens || fade_delay == 0)
+#endif
+  {
+    if (fade_mode == FADE_MODE_FADE_OUT)
+      return;
+
+#if 0
+    if (fade_mode == FADE_MODE_FADE_OUT &&
+       fading.fade_mode != FADE_MODE_NONE)
+      ClearRectangle(backbuffer, x, y, width, height);
+#endif
+
+#if 1
+    BlitBitmap(backbuffer, window, x, y, width, height, x, y);
+    redraw_mask = REDRAW_NONE;
+#else
+    BackToFront();
+#endif
+
+    return;
   }
+
+  FadeRectangle(bitmap, x, y, width, height, fade_mode, fade_delay, post_delay,
+               draw_border_function);
+
+  redraw_mask &= ~fade_mask;
 }
 
-void SetRandomAnimationValue(int x, int y)
+void FadeIn(int fade_mask)
 {
-  gfx.anim_random_frame = GfxRandom[x][y];
+  if (fading.fade_mode & FADE_TYPE_TRANSFORM)
+    FadeExt(fade_mask, fading.fade_mode, FADE_TYPE_FADE_IN);
+  else
+    FadeExt(fade_mask, FADE_MODE_FADE_IN, FADE_TYPE_FADE_IN);
 }
 
-inline int getGraphicAnimationFrame(int graphic, int sync_frame)
+void FadeOut(int fade_mask)
 {
-  /* animation synchronized with global frame counter, not move position */
-  if (graphic_info[graphic].anim_global_sync || sync_frame < 0)
-    sync_frame = FrameCounter;
+  if (fading.fade_mode & FADE_TYPE_TRANSFORM)
+    FadeExt(fade_mask, fading.fade_mode, FADE_TYPE_FADE_OUT);
+  else
+    FadeExt(fade_mask, FADE_MODE_FADE_OUT, FADE_TYPE_FADE_OUT);
 
-  return getAnimationFrame(graphic_info[graphic].anim_frames,
-                          graphic_info[graphic].anim_delay,
-                          graphic_info[graphic].anim_mode,
-                          graphic_info[graphic].anim_start_frame,
-                          sync_frame);
+  global.border_status = game_status;
 }
 
-inline void DrawGraphicAnimationExt(DrawBuffer *dst_bitmap, int x, int y,
-                                   int graphic, int sync_frame, int mask_mode)
+static void FadeSetLeaveNext(struct TitleFadingInfo fading_leave, boolean set)
 {
-  int frame = getGraphicAnimationFrame(graphic, sync_frame);
+  static struct TitleFadingInfo fading_leave_stored;
 
-  if (mask_mode == USE_MASKING)
-    DrawGraphicThruMaskExt(dst_bitmap, x, y, graphic, frame);
+  if (set)
+    fading_leave_stored = fading_leave;
   else
-    DrawGraphicExt(dst_bitmap, x, y, graphic, frame);
+    fading = fading_leave_stored;
 }
 
-inline void DrawGraphicAnimation(int x, int y, int graphic)
+void FadeSetEnterMenu()
 {
-  int lx = LEVELX(x), ly = LEVELY(y);
+  fading = menu.enter_menu;
 
-  if (!IN_SCR_FIELD(x, y))
-    return;
+#if 0
+  printf("::: storing enter_menu\n");
+#endif
 
-  DrawGraphicAnimationExt(drawto_field, FX + x * TILEX, FY + y * TILEY,
-                         graphic, GfxFrame[lx][ly], NO_MASKING);
-  MarkTileDirty(x, y);
+  FadeSetLeaveNext(fading, TRUE);      /* (keep same fade mode) */
 }
 
-void DrawLevelGraphicAnimation(int x, int y, int graphic)
+void FadeSetLeaveMenu()
 {
-  DrawGraphicAnimation(SCREENX(x), SCREENY(y), graphic);
+  fading = menu.leave_menu;
+
+#if 0
+  printf("::: storing leave_menu\n");
+#endif
+
+  FadeSetLeaveNext(fading, TRUE);      /* (keep same fade mode) */
 }
 
-void DrawLevelElementAnimation(int x, int y, int element)
+void FadeSetEnterScreen()
 {
-#if 1
-  int graphic = el_act_dir2img(element, GfxAction[x][y], GfxDir[x][y]);
+  fading = menu.enter_screen[game_status];
 
-  DrawGraphicAnimation(SCREENX(x), SCREENY(y), graphic);
-#else
-  DrawGraphicAnimation(SCREENX(x), SCREENY(y), el2img(element));
+#if 0
+  printf("::: storing leave_screen[%d]\n", game_status);
 #endif
+
+  FadeSetLeaveNext(menu.leave_screen[game_status], TRUE);      /* store */
 }
 
-inline void DrawLevelGraphicAnimationIfNeeded(int x, int y, int graphic)
+void FadeSetNextScreen()
 {
-  int sx = SCREENX(x), sy = SCREENY(y);
-
-  if (!IN_LEV_FIELD(x, y) || !IN_SCR_FIELD(sx, sy))
-    return;
-
-  if (!IS_NEW_FRAME(GfxFrame[x][y], graphic))
-    return;
+  fading = menu.next_screen;
 
-  DrawGraphicAnimation(sx, sy, graphic);
+#if 0
+  printf("::: storing next_screen\n");
+#endif
 
-  if (GFX_CRUMBLED(Feld[x][y]))
-    DrawLevelFieldCrumbledSand(x, y);
+  // (do not overwrite fade mode set by FadeSetEnterScreen)
+  // FadeSetLeaveNext(fading, TRUE);   /* (keep same fade mode) */
 }
 
-void DrawLevelElementAnimationIfNeeded(int x, int y, int element)
+void FadeSetLeaveScreen()
 {
-  int sx = SCREENX(x), sy = SCREENY(y);
-  int graphic;
-
-  if (!IN_LEV_FIELD(x, y) || !IN_SCR_FIELD(sx, sy))
-    return;
+#if 0
+  printf("::: recalling last stored value\n");
+#endif
 
-  graphic = el_act_dir2img(element, GfxAction[x][y], GfxDir[x][y]);
+  FadeSetLeaveNext(menu.leave_screen[game_status], FALSE);     /* recall */
+}
 
-  if (!IS_NEW_FRAME(GfxFrame[x][y], graphic))
-    return;
+void FadeSetFromType(int type)
+{
+  if (type & TYPE_ENTER_SCREEN)
+    FadeSetEnterScreen();
+  else if (type & TYPE_ENTER)
+    FadeSetEnterMenu();
+  else if (type & TYPE_LEAVE)
+    FadeSetLeaveMenu();
+}
 
-  DrawGraphicAnimation(sx, sy, graphic);
+void FadeSetDisabled()
+{
+  static struct TitleFadingInfo fading_none = { FADE_MODE_NONE, -1, -1, -1 };
 
-  if (GFX_CRUMBLED(element))
-    DrawLevelFieldCrumbledSand(x, y);
+  fading = fading_none;
 }
 
-static int getPlayerGraphic(struct PlayerInfo *player, int move_dir)
+void FadeSkipNextFadeIn()
 {
-  if (player->use_murphy_graphic)
-  {
-    /* this works only because currently only one player can be "murphy" ... */
-    static int last_horizontal_dir = MV_LEFT;
-    int graphic = el_act_dir2img(EL_SP_MURPHY, player->GfxAction, move_dir);
-
-    if (move_dir == MV_LEFT || move_dir == MV_RIGHT)
-      last_horizontal_dir = move_dir;
+  FadeExt(0, FADE_MODE_SKIP_FADE_IN, FADE_TYPE_SKIP);
+}
 
-    if (graphic == IMG_SP_MURPHY)      /* undefined => use special graphic */
-    {
-      int direction = (player->is_snapping ? move_dir : last_horizontal_dir);
+void FadeSkipNextFadeOut()
+{
+  FadeExt(0, FADE_MODE_SKIP_FADE_OUT, FADE_TYPE_SKIP);
+}
 
-      graphic = el_act_dir2img(EL_SP_MURPHY, player->GfxAction, direction);
-    }
+void SetWindowBackgroundImageIfDefined(int graphic)
+{
+  if (graphic_info[graphic].bitmap)
+    SetWindowBackgroundBitmap(graphic_info[graphic].bitmap);
+}
 
-    return graphic;
-  }
-  else
-    return el_act_dir2img(player->element_nr, player->GfxAction, move_dir);
+void SetMainBackgroundImageIfDefined(int graphic)
+{
+  if (graphic_info[graphic].bitmap)
+    SetMainBackgroundBitmap(graphic_info[graphic].bitmap);
 }
 
-static boolean equalGraphics(int graphic1, int graphic2)
+void SetDoorBackgroundImageIfDefined(int graphic)
 {
-  struct GraphicInfo *g1 = &graphic_info[graphic1];
-  struct GraphicInfo *g2 = &graphic_info[graphic2];
+  if (graphic_info[graphic].bitmap)
+    SetDoorBackgroundBitmap(graphic_info[graphic].bitmap);
+}
 
-  return (g1->bitmap      == g2->bitmap &&
-         g1->src_x       == g2->src_x &&
-         g1->src_y       == g2->src_y &&
-         g1->anim_frames == g2->anim_frames &&
-         g1->anim_delay  == g2->anim_delay &&
-         g1->anim_mode   == g2->anim_mode);
+void SetWindowBackgroundImage(int graphic)
+{
+  SetWindowBackgroundBitmap(graphic == IMG_UNDEFINED ? NULL :
+                           graphic_info[graphic].bitmap ?
+                           graphic_info[graphic].bitmap :
+                           graphic_info[IMG_BACKGROUND].bitmap);
 }
 
-void DrawAllPlayers()
+void SetMainBackgroundImage(int graphic)
 {
-  int i;
+  SetMainBackgroundBitmap(graphic == IMG_UNDEFINED ? NULL :
+                         graphic_info[graphic].bitmap ?
+                         graphic_info[graphic].bitmap :
+                         graphic_info[IMG_BACKGROUND].bitmap);
+}
 
-  for (i = 0; i < MAX_PLAYERS; i++)
-    if (stored_player[i].active)
-      DrawPlayer(&stored_player[i]);
+void SetDoorBackgroundImage(int graphic)
+{
+  SetDoorBackgroundBitmap(graphic == IMG_UNDEFINED ? NULL :
+                         graphic_info[graphic].bitmap ?
+                         graphic_info[graphic].bitmap :
+                         graphic_info[IMG_BACKGROUND].bitmap);
 }
 
-void DrawPlayerField(int x, int y)
+void SetPanelBackground()
 {
-  if (!IS_PLAYER(x, y))
-    return;
+  BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, bitmap_db_panel,
+             DOOR_GFX_PAGEX5, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, 0, 0);
 
-  DrawPlayer(PLAYERINFO(x, y));
+  SetDoorBackgroundBitmap(bitmap_db_panel);
 }
 
-void DrawPlayer(struct PlayerInfo *player)
+void DrawBackground(int x, int y, int width, int height)
 {
-  int jx = player->jx;
-  int jy = player->jy;
-  int move_dir = player->MovDir;
+  /* !!! "drawto" might still point to playfield buffer here (see below) !!! */
+  /* (when entering hall of fame after playing) */
 #if 0
-  int last_jx = player->last_jx;
-  int last_jy = player->last_jy;
-  int next_jx = jx + (jx - last_jx);
-  int next_jy = jy + (jy - last_jy);
-  boolean player_is_moving = (last_jx != jx || last_jy != jy ? TRUE : FALSE);
+  ClearRectangleOnBackground(drawto, x, y, width, height);
 #else
-  int dx = (move_dir == MV_LEFT ? -1 : move_dir == MV_RIGHT ? +1 : 0);
-  int dy = (move_dir == MV_UP   ? -1 : move_dir == MV_DOWN  ? +1 : 0);
-  int last_jx = (player->is_moving ? jx - dx : jx);
-  int last_jy = (player->is_moving ? jy - dy : jy);
-  int next_jx = jx + dx;
-  int next_jy = jy + dy;
-  boolean player_is_moving = (player->MovPos ? TRUE : FALSE);
+  ClearRectangleOnBackground(backbuffer, x, y, width, height);
 #endif
-  int sx = SCREENX(jx), sy = SCREENY(jy);
-  int sxx = 0, syy = 0;
-  int element = Feld[jx][jy], last_element = Feld[last_jx][last_jy];
-  int graphic;
-  int action = ACTION_DEFAULT;
-  int last_player_graphic = getPlayerGraphic(player, move_dir);
-  int last_player_frame = player->Frame;
-  int frame = 0;
 
-  if (!player->active || !IN_SCR_FIELD(SCREENX(last_jx), SCREENY(last_jy)))
-    return;
+  redraw_mask |= REDRAW_FIELD;
+}
 
-#if DEBUG
-  if (!IN_LEV_FIELD(jx, jy))
-  {
-    printf("DrawPlayerField(): x = %d, y = %d\n",jx,jy);
-    printf("DrawPlayerField(): sx = %d, sy = %d\n",sx,sy);
-    printf("DrawPlayerField(): This should never happen!\n");
-    return;
-  }
-#endif
+void DrawBackgroundForFont(int x, int y, int width, int height, int font_nr)
+{
+  struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
 
-  if (element == EL_EXPLOSION)
+  if (font->bitmap == NULL)
     return;
 
-  action = (player->is_pushing    ? ACTION_PUSHING         :
-           player->is_digging    ? ACTION_DIGGING         :
-           player->is_collecting ? ACTION_COLLECTING      :
-           player->is_moving     ? ACTION_MOVING          :
-           player->is_snapping   ? ACTION_SNAPPING        :
-           player->is_dropping   ? ACTION_DROPPING        :
-           player->is_waiting    ? player->action_waiting : ACTION_DEFAULT);
-
-  InitPlayerGfxAnimation(player, action, move_dir);
-
-  /* ----------------------------------------------------------------------- */
-  /* draw things in the field the player is leaving, if needed               */
-  /* ----------------------------------------------------------------------- */
-
-#if 1
-  if (player->is_moving)
-#else
-  if (player_is_moving)
-#endif
-  {
-    if (Back[last_jx][last_jy] && IS_DRAWABLE(last_element))
-    {
-      DrawLevelElement(last_jx, last_jy, Back[last_jx][last_jy]);
-
-      if (last_element == EL_DYNAMITE_ACTIVE ||
-         last_element == EL_SP_DISK_RED_ACTIVE)
-       DrawDynamite(last_jx, last_jy);
-      else
-       DrawLevelFieldThruMask(last_jx, last_jy);
-    }
-    else if (last_element == EL_DYNAMITE_ACTIVE ||
-            last_element == EL_SP_DISK_RED_ACTIVE)
-      DrawDynamite(last_jx, last_jy);
-    else
-      DrawLevelField(last_jx, last_jy);
+  DrawBackground(x, y, width, height);
+}
 
-    if (player->is_pushing && IN_SCR_FIELD(SCREENX(next_jx), SCREENY(next_jy)))
-      DrawLevelElement(next_jx, next_jy, EL_EMPTY);
-  }
+void DrawBackgroundForGraphic(int x, int y, int width, int height, int graphic)
+{
+  struct GraphicInfo *g = &graphic_info[graphic];
 
-  if (!IN_SCR_FIELD(sx, sy))
+  if (g->bitmap == NULL)
     return;
 
-  if (setup.direct_draw)
-    SetDrawtoField(DRAW_BUFFERED);
+  DrawBackground(x, y, width, height);
+}
 
-  /* ----------------------------------------------------------------------- */
-  /* draw things behind the player, if needed                                */
-  /* ----------------------------------------------------------------------- */
+void ClearField()
+{
+  /* !!! "drawto" might still point to playfield buffer here (see above) !!! */
+  /* (when entering hall of fame after playing) */
+  DrawBackground(REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
 
-  if (Back[jx][jy])
-    DrawLevelElement(jx, jy, Back[jx][jy]);
-  else if (IS_ACTIVE_BOMB(element))
-    DrawLevelElement(jx, jy, EL_EMPTY);
-  else
+  /* !!! maybe this should be done before clearing the background !!! */
+  if (setup.soft_scrolling && game_status == GAME_MODE_PLAYING)
   {
-    if (player_is_moving && GfxElement[jx][jy] != EL_UNDEFINED)
-    {
-      if (GFX_CRUMBLED(GfxElement[jx][jy]))
-       DrawLevelFieldCrumbledSandDigging(jx, jy, move_dir, player->StepFrame);
-      else
-      {
-       int old_element = GfxElement[jx][jy];
-       int old_graphic = el_act_dir2img(old_element, action, move_dir);
-       int frame = getGraphicAnimationFrame(old_graphic, player->StepFrame);
-
-       DrawGraphic(sx, sy, old_graphic, frame);
-      }
-    }
-    else
-    {
-      GfxElement[jx][jy] = EL_UNDEFINED;
-
-      DrawLevelField(jx, jy);
-    }
+    ClearRectangle(fieldbuffer, 0, 0, FXSIZE, FYSIZE);
+    SetDrawtoField(DRAW_BUFFERED);
   }
+  else
+    SetDrawtoField(DRAW_BACKBUFFER);
+}
 
-  /* ----------------------------------------------------------------------- */
-  /* draw player himself                                                     */
-  /* ----------------------------------------------------------------------- */
+void MarkTileDirty(int x, int y)
+{
+  int xx = redraw_x1 + x;
+  int yy = redraw_y1 + y;
 
-#if 1
+  if (!redraw[xx][yy])
+    redraw_tiles++;
 
-  graphic = getPlayerGraphic(player, move_dir);
+  redraw[xx][yy] = TRUE;
+  redraw_mask |= REDRAW_TILES;
+}
 
-  /* in the case of changed player action or direction, prevent the current
-     animation frame from being restarted for identical animations */
-  if (player->Frame == 0 && equalGraphics(graphic, last_player_graphic))
-    player->Frame = last_player_frame;
+void SetBorderElement()
+{
+  int x, y;
 
-#else
+  BorderElement = EL_EMPTY;
 
-  if (player->use_murphy_graphic)
+  for (y = 0; y < lev_fieldy && BorderElement == EL_EMPTY; y++)
   {
-    static int last_horizontal_dir = MV_LEFT;
-
-    if (move_dir == MV_LEFT || move_dir == MV_RIGHT)
-      last_horizontal_dir = move_dir;
-
-    graphic = el_act_dir2img(EL_SP_MURPHY, player->GfxAction, move_dir);
-
-    if (graphic == IMG_SP_MURPHY)      /* undefined => use special graphic */
+    for (x = 0; x < lev_fieldx; x++)
     {
-      int direction = (player->is_snapping ? move_dir : last_horizontal_dir);
+      if (!IS_INDESTRUCTIBLE(Feld[x][y]))
+       BorderElement = EL_STEELWALL;
 
-      graphic = el_act_dir2img(EL_SP_MURPHY, player->GfxAction, direction);
+      if (y != 0 && y != lev_fieldy - 1 && x != lev_fieldx - 1)
+       x = lev_fieldx - 2;
     }
   }
-  else
-    graphic = el_act_dir2img(player->element_nr, player->GfxAction, move_dir);
+}
 
-#endif
+void FloodFillLevel(int from_x, int from_y, int fill_element,
+                   short field[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
+                   int max_fieldx, int max_fieldy)
+{
+  int i,x,y;
+  int old_element;
+  static int check[4][2] = { { -1, 0 }, { 0, -1 }, { 1, 0 }, { 0, 1 } };
+  static int safety = 0;
 
-  frame = getGraphicAnimationFrame(graphic, player->Frame);
+  /* check if starting field still has the desired content */
+  if (field[from_x][from_y] == fill_element)
+    return;
 
-  if (player->GfxPos)
-  {
-    if (move_dir == MV_LEFT || move_dir == MV_RIGHT)
-      sxx = player->GfxPos;
-    else
-      syy = player->GfxPos;
-  }
+  safety++;
 
-  if (!setup.soft_scrolling && ScreenMovPos)
-    sxx = syy = 0;
+  if (safety > max_fieldx * max_fieldy)
+    Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
 
-  DrawGraphicShiftedThruMask(sx, sy, sxx, syy, graphic, frame, NO_CUTTING);
+  old_element = field[from_x][from_y];
+  field[from_x][from_y] = fill_element;
 
-  if (SHIELD_ON(player))
+  for (i = 0; i < 4; i++)
   {
-    int graphic = (player->shield_deadly_time_left ? IMG_SHIELD_DEADLY_ACTIVE :
-                  IMG_SHIELD_NORMAL_ACTIVE);
-    int frame = getGraphicAnimationFrame(graphic, -1);
+    x = from_x + check[i][0];
+    y = from_y + check[i][1];
 
-    DrawGraphicShiftedThruMask(sx, sy, sxx, syy, graphic, frame, NO_CUTTING);
+    if (IN_FIELD(x, y, max_fieldx, max_fieldy) && field[x][y] == old_element)
+      FloodFillLevel(x, y, fill_element, field, max_fieldx, max_fieldy);
   }
 
-  /* ----------------------------------------------------------------------- */
-  /* draw things the player is pushing, if needed                            */
-  /* ----------------------------------------------------------------------- */
+  safety--;
+}
 
-#if 0
-  printf("::: %d, %d [%d, %d] [%d]\n",
-        player->is_pushing, player_is_moving, player->GfxAction,
-        player->is_moving, player_is_moving);
-#endif
-
-#if 1
-  if (player->is_pushing && player->is_moving)
-#else
-  if (player->is_pushing && player_is_moving)
-#endif
-  {
-    int px = SCREENX(next_jx), py = SCREENY(next_jy);
+void SetRandomAnimationValue(int x, int y)
+{
+  gfx.anim_random_frame = GfxRandom[x][y];
+}
 
-    if (Back[next_jx][next_jy])
-      DrawLevelElement(next_jx, next_jy, Back[next_jx][next_jy]);
+inline int getGraphicAnimationFrame(int graphic, int sync_frame)
+{
+  /* animation synchronized with global frame counter, not move position */
+  if (graphic_info[graphic].anim_global_sync || sync_frame < 0)
+    sync_frame = FrameCounter;
 
-    if ((sxx || syy) && element == EL_SOKOBAN_OBJECT)
-      DrawGraphicShiftedThruMask(px, py, sxx, syy, IMG_SOKOBAN_OBJECT, 0,
-                                NO_CUTTING);
-    else
-    {
-      int element = MovingOrBlocked2Element(next_jx, next_jy);
-      int graphic = el_act_dir2img(element, ACTION_PUSHING, move_dir);
-#if 1
-      int frame = getGraphicAnimationFrame(graphic, player->StepFrame);
-#else
-      int frame = getGraphicAnimationFrame(graphic, player->Frame);
-#endif
+  return getAnimationFrame(graphic_info[graphic].anim_frames,
+                          graphic_info[graphic].anim_delay,
+                          graphic_info[graphic].anim_mode,
+                          graphic_info[graphic].anim_start_frame,
+                          sync_frame);
+}
 
-      DrawGraphicShifted(px, py, sxx, syy, graphic, frame,
-                        NO_CUTTING, NO_MASKING);
-    }
+void getSizedGraphicSource(int graphic, int frame, int tilesize_raw,
+                          Bitmap **bitmap, int *x, int *y)
+{
+  struct
+  {
+    int width_mult, width_div;
+    int height_mult, height_div;
   }
+  offset_calc[6] =
+  {
+    { 15, 16,  2, 3    },      /* 1 x 1 */
+    { 7, 8,    2, 3    },      /* 2 x 2 */
+    { 3, 4,    2, 3    },      /* 4 x 4 */
+    { 1, 2,    2, 3    },      /* 8 x 8 */
+    { 0, 1,    2, 3    },      /* 16 x 16 */
+    { 0, 1,    0, 1    },      /* 32 x 32 */
+  };
+  struct GraphicInfo *g = &graphic_info[graphic];
+  Bitmap *src_bitmap = g->bitmap;
+  int tilesize = MIN(MAX(1, tilesize_raw), TILESIZE);
+  int offset_calc_pos = log_2(tilesize);
+  int width_mult  = offset_calc[offset_calc_pos].width_mult;
+  int width_div   = offset_calc[offset_calc_pos].width_div;
+  int height_mult = offset_calc[offset_calc_pos].height_mult;
+  int height_div  = offset_calc[offset_calc_pos].height_div;
+  int startx = src_bitmap->width * width_mult / width_div;
+  int starty = src_bitmap->height * height_mult / height_div;
+  int src_x = g->src_x * tilesize / TILESIZE;
+  int src_y = g->src_y * tilesize / TILESIZE;
+  int width = g->width * tilesize / TILESIZE;
+  int height = g->height * tilesize / TILESIZE;
+  int offset_x = g->offset_x * tilesize / TILESIZE;
+  int offset_y = g->offset_y * tilesize / TILESIZE;
 
-  /* ----------------------------------------------------------------------- */
-  /* draw things in front of player (active dynamite or dynabombs)           */
-  /* ----------------------------------------------------------------------- */
-
-  if (IS_ACTIVE_BOMB(element))
+  if (g->offset_y == 0)                /* frames are ordered horizontally */
   {
-    graphic = el2img(element);
-    frame = getGraphicAnimationFrame(graphic, GfxFrame[jx][jy]);
+    int max_width = g->anim_frames_per_line * width;
+    int pos = (src_y / height) * max_width + src_x + frame * offset_x;
 
-    if (game.emulation == EMU_SUPAPLEX)
-      DrawGraphic(sx, sy, IMG_SP_DISK_RED, frame);
-    else
-      DrawGraphicThruMask(sx, sy, graphic, frame);
+    src_x = pos % max_width;
+    src_y = src_y % height + pos / max_width * height;
   }
-
-  if (player_is_moving && last_element == EL_EXPLOSION)
+  else if (g->offset_x == 0)   /* frames are ordered vertically */
   {
-    int graphic = el_act2img(GfxElement[last_jx][last_jy], ACTION_EXPLODING);
-    int delay = (game.emulation == EMU_SUPAPLEX ? 3 : 2);
-    int phase = ExplodePhase[last_jx][last_jy] - 1;
-    int frame = getGraphicAnimationFrame(graphic, phase - delay);
+    int max_height = g->anim_frames_per_line * height;
+    int pos = (src_x / width) * max_height + src_y + frame * offset_y;
 
-    if (phase >= delay)
-      DrawGraphicThruMask(SCREENX(last_jx), SCREENY(last_jy), graphic, frame);
+    src_x = src_x % width + pos / max_height * width;
+    src_y = pos % max_height;
   }
-
-  /* ----------------------------------------------------------------------- */
-  /* draw elements the player is just walking/passing through/under          */
-  /* ----------------------------------------------------------------------- */
-
-  if (player_is_moving)
+  else                         /* frames are ordered diagonally */
   {
-    /* handle the field the player is leaving ... */
-    if (IS_ACCESSIBLE_INSIDE(last_element))
-      DrawLevelField(last_jx, last_jy);
-    else if (IS_ACCESSIBLE_UNDER(last_element))
-      DrawLevelFieldThruMask(last_jx, last_jy);
+    src_x = src_x + frame * offset_x;
+    src_y = src_y + frame * offset_y;
   }
 
-#if 1
-  /* do not redraw accessible elements if the player is just pushing them */
-  if (!player_is_moving || !player->is_pushing)
-  {
-    /* ... and the field the player is entering */
-    if (IS_ACCESSIBLE_INSIDE(element))
-      DrawLevelField(jx, jy);
-    else if (IS_ACCESSIBLE_UNDER(element))
-      DrawLevelFieldThruMask(jx, jy);
-  }
+  *bitmap = src_bitmap;
+  *x = startx + src_x;
+  *y = starty + src_y;
+}
 
+void getMiniGraphicSource(int graphic, Bitmap **bitmap, int *x, int *y)
+{
+#if 1
+  getSizedGraphicSource(graphic, 0, MINI_TILESIZE, bitmap, x, y);
 #else
+  struct GraphicInfo *g = &graphic_info[graphic];
+  int mini_startx = 0;
+  int mini_starty = g->bitmap->height * 2 / 3;
 
-#if 0
-  /* !!! I have forgotton what this should be good for !!! */
-  /* !!! causes player being visible when pushing from within tubes !!! */
-  if (!player->is_pushing)
-#endif
-  {
-    /* ... and the field the player is entering */
-    if (IS_ACCESSIBLE_INSIDE(element))
-      DrawLevelField(jx, jy);
-    else if (IS_ACCESSIBLE_UNDER(element))
-      DrawLevelFieldThruMask(jx, jy);
-  }
+  *bitmap = g->bitmap;
+  *x = mini_startx + g->src_x / 2;
+  *y = mini_starty + g->src_y / 2;
 #endif
-
-  if (setup.direct_draw)
-  {
-    int dest_x = SX + SCREENX(MIN(jx, last_jx)) * TILEX;
-    int dest_y = SY + SCREENY(MIN(jy, last_jy)) * TILEY;
-    int x_size = TILEX * (1 + ABS(jx - last_jx));
-    int y_size = TILEY * (1 + ABS(jy - last_jy));
-
-    BlitBitmap(drawto_field, window,
-              dest_x, dest_y, x_size, y_size, dest_x, dest_y);
-    SetDrawtoField(DRAW_DIRECT);
-  }
-
-  MarkTileDirty(sx, sy);
 }
 
 inline void getGraphicSourceExt(int graphic, int frame, Bitmap **bitmap,
@@ -953,28 +1020,18 @@ inline void getGraphicSourceExt(int graphic, int frame, Bitmap **bitmap,
   if (g->offset_y == 0)                /* frames are ordered horizontally */
   {
     int max_width = g->anim_frames_per_line * g->width;
-#if 1
     int pos = (src_y / g->height) * max_width + src_x + frame * g->offset_x;
 
     *x = pos % max_width;
     *y = src_y % g->height + pos / max_width * g->height;
-#else
-    *x = (src_x + frame * g->offset_x) % max_width;
-    *y = src_y + (src_x + frame * g->offset_x) / max_width * g->height;
-#endif
   }
   else if (g->offset_x == 0)   /* frames are ordered vertically */
   {
     int max_height = g->anim_frames_per_line * g->height;
-#if 1
     int pos = (src_x / g->width) * max_height + src_y + frame * g->offset_y;
 
     *x = src_x % g->width + pos / max_height * g->width;
     *y = pos % max_height;
-#else
-    *x = src_x + (src_y + frame * g->offset_y) / max_height * g->width;
-    *y = (src_y + frame * g->offset_y) % max_height;
-#endif
   }
   else                         /* frames are ordered diagonally */
   {
@@ -1029,31 +1086,34 @@ void DrawGraphicThruMask(int x, int y, int graphic, int frame)
   MarkTileDirty(x, y);
 }
 
-void DrawGraphicThruMaskExt(DrawBuffer *d, int dest_x, int dest_y, int graphic,
+void DrawGraphicThruMaskExt(DrawBuffer *d, int dst_x, int dst_y, int graphic,
                            int frame)
 {
-#if 1
   Bitmap *src_bitmap;
   int src_x, src_y;
-  GC drawing_gc;
 
   getGraphicSource(graphic, frame, &src_bitmap, &src_x, &src_y);
-  drawing_gc = src_bitmap->stored_clip_gc;
-#else
-  GC drawing_gc = src_bitmap->stored_clip_gc;
-  Bitmap *src_bitmap = graphic_info[graphic].bitmap;
-  int src_x = graphic_info[graphic].src_x;
-  int src_y = graphic_info[graphic].src_y;
-  int offset_x = graphic_info[graphic].offset_x;
-  int offset_y = graphic_info[graphic].offset_y;
 
-  src_x += frame * offset_x;
-  src_y += frame * offset_y;
+  SetClipOrigin(src_bitmap, src_bitmap->stored_clip_gc,
+               dst_x - src_x, dst_y - src_y);
+  BlitBitmapMasked(src_bitmap, d, src_x, src_y, TILEX, TILEY, dst_x, dst_y);
+}
+
+void DrawSizedGraphic(int x, int y, int graphic, int frame, int tilesize)
+{
+  DrawSizedGraphicExt(drawto, SX + x * tilesize, SY + y * tilesize, graphic,
+                     frame, tilesize);
+  MarkTileDirty(x / tilesize, y / tilesize);
+}
 
-#endif
+void DrawSizedGraphicExt(DrawBuffer *d, int x, int y, int graphic, int frame,
+                        int tilesize)
+{
+  Bitmap *src_bitmap;
+  int src_x, src_y;
 
-  SetClipOrigin(src_bitmap, drawing_gc, dest_x - src_x, dest_y - src_y);
-  BlitBitmapMasked(src_bitmap, d, src_x, src_y, TILEX, TILEY, dest_x, dest_y);
+  getSizedGraphicSource(graphic, frame, tilesize, &src_bitmap, &src_x, &src_y);
+  BlitBitmap(src_bitmap, d, src_x, src_y, tilesize, tilesize, x, y);
 }
 
 void DrawMiniGraphic(int x, int y, int graphic)
@@ -1062,17 +1122,6 @@ void DrawMiniGraphic(int x, int y, int graphic)
   MarkTileDirty(x / 2, y / 2);
 }
 
-void getMiniGraphicSource(int graphic, Bitmap **bitmap, int *x, int *y)
-{
-  struct GraphicInfo *g = &graphic_info[graphic];
-  int mini_startx = 0;
-  int mini_starty = g->bitmap->height * 2 / 3;
-
-  *bitmap = g->bitmap;
-  *x = mini_startx + g->src_x / 2;
-  *y = mini_starty + g->src_y / 2;
-}
-
 void DrawMiniGraphicExt(DrawBuffer *d, int x, int y, int graphic)
 {
   Bitmap *src_bitmap;
@@ -1082,21 +1131,15 @@ void DrawMiniGraphicExt(DrawBuffer *d, int x, int y, int graphic)
   BlitBitmap(src_bitmap, d, src_x, src_y, MINI_TILEX, MINI_TILEY, x, y);
 }
 
-void DrawGraphicShifted(int x, int y, int dx, int dy, int graphic, int frame,
-                       int cut_mode, int mask_mode)
+inline static void DrawGraphicShiftedNormal(int x, int y, int dx, int dy,
+                                           int graphic, int frame,
+                                           int cut_mode, int mask_mode)
 {
   Bitmap *src_bitmap;
-  GC drawing_gc;
   int src_x, src_y;
+  int dst_x, dst_y;
   int width = TILEX, height = TILEY;
   int cx = 0, cy = 0;
-  int dest_x, dest_y;
-
-  if (graphic < 0)
-  {
-    DrawGraphic(x, y, graphic, frame);
-    return;
-  }
 
   if (dx || dy)                        /* shifted graphic */
   {
@@ -1162,47 +1205,149 @@ void DrawGraphicShifted(int x, int y, int dx, int dy, int graphic, int frame,
       MarkTileDirty(x, y + SIGN(dy));
   }
 
+#if DEBUG
+  if (!IN_SCR_FIELD(x, y))
+  {
+    printf("DrawGraphicShifted(): x = %d, y = %d, graphic = %d\n",x,y,graphic);
+    printf("DrawGraphicShifted(): This should never happen!\n");
+    return;
+  }
+#endif
+
+  if (width > 0 && height > 0)
+  {
+    getGraphicSource(graphic, frame, &src_bitmap, &src_x, &src_y);
+
+    src_x += cx;
+    src_y += cy;
+
+    dst_x = FX + x * TILEX + dx;
+    dst_y = FY + y * TILEY + dy;
+
+    if (mask_mode == USE_MASKING)
+    {
+      SetClipOrigin(src_bitmap, src_bitmap->stored_clip_gc,
+                   dst_x - src_x, dst_y - src_y);
+      BlitBitmapMasked(src_bitmap, drawto_field, src_x, src_y, width, height,
+                      dst_x, dst_y);
+    }
+    else
+      BlitBitmap(src_bitmap, drawto_field, src_x, src_y, width, height,
+                dst_x, dst_y);
+
+    MarkTileDirty(x, y);
+  }
+}
+
+inline static void DrawGraphicShiftedDouble(int x, int y, int dx, int dy,
+                                           int graphic, int frame,
+                                           int cut_mode, int mask_mode)
+{
+  Bitmap *src_bitmap;
+  int src_x, src_y;
+  int dst_x, dst_y;
+  int width = TILEX, height = TILEY;
+  int x1 = x;
+  int y1 = y;
+  int x2 = x + SIGN(dx);
+  int y2 = y + SIGN(dy);
+#if 0
+  /* !!! DOES NOT WORK FOR SLOW MOVEMENT !!! */
+  int sync_frame = GfxFrame[LEVELX(x)][LEVELY(y)];
+#else
+  /* movement with two-tile animations must be sync'ed with movement position,
+     not with current GfxFrame (which can be higher when using slow movement) */
+  int anim_pos = (dx ? ABS(dx) : ABS(dy));
+  int anim_frames = graphic_info[graphic].anim_frames;
 #if 1
-  getGraphicSource(graphic, frame, &src_bitmap, &src_x, &src_y);
+  /* (we also need anim_delay here for movement animations with less frames) */
+  int anim_delay = graphic_info[graphic].anim_delay;
+  int sync_frame = anim_pos * anim_frames * anim_delay / TILESIZE;
 #else
-  src_bitmap = graphic_info[graphic].bitmap;
-  src_x = graphic_info[graphic].src_x;
-  src_y = graphic_info[graphic].src_y;
-  offset_x = graphic_info[graphic].offset_x;
-  offset_y = graphic_info[graphic].offset_y;
+  int sync_frame = anim_pos * anim_frames / TILESIZE;
+#endif
+#endif
+  boolean draw_start_tile = (cut_mode != CUT_ABOVE);   /* only for falling! */
+  boolean draw_end_tile   = (cut_mode != CUT_BELOW);   /* only for falling! */
+
+  /* re-calculate animation frame for two-tile movement animation */
+  frame = getGraphicAnimationFrame(graphic, sync_frame);
+
+#if 0
+#if 0
+  printf("::: %d, %d, %d => %d [%d]\n",
+        anim_pos, anim_frames, anim_delay, sync_frame, graphic);
+#else
+  printf("::: %d, %d => %d\n",
+        anim_pos, anim_frames, sync_frame);
+#endif
+#endif
 
-  src_x += frame * offset_x;
-  src_y += frame * offset_y;
+#if 0
+  printf("::: %d [%d, %d] [%d] [%d]\n", frame, sync_frame, dy,
+        GfxFrame[LEVELX(x)][LEVELY(y)], mask_mode);
 #endif
 
-  drawing_gc = src_bitmap->stored_clip_gc;
+  /* check if movement start graphic inside screen area and should be drawn */
+  if (draw_start_tile && IN_SCR_FIELD(x1, y1))
+  {
+    getGraphicSourceExt(graphic, frame, &src_bitmap, &src_x, &src_y, TRUE);
 
-  src_x += cx;
-  src_y += cy;
+    dst_x = FX + x1 * TILEX;
+    dst_y = FY + y1 * TILEY;
 
-  dest_x = FX + x * TILEX + dx;
-  dest_y = FY + y * TILEY + dy;
+    if (mask_mode == USE_MASKING)
+    {
+      SetClipOrigin(src_bitmap, src_bitmap->stored_clip_gc,
+                   dst_x - src_x, dst_y - src_y);
+      BlitBitmapMasked(src_bitmap, drawto_field, src_x, src_y, width, height,
+                      dst_x, dst_y);
+    }
+    else
+      BlitBitmap(src_bitmap, drawto_field, src_x, src_y, width, height,
+                dst_x, dst_y);
 
-#if DEBUG
-  if (!IN_SCR_FIELD(x,y))
+    MarkTileDirty(x1, y1);
+  }
+
+  /* check if movement end graphic inside screen area and should be drawn */
+  if (draw_end_tile && IN_SCR_FIELD(x2, y2))
   {
-    printf("DrawGraphicShifted(): x = %d, y = %d, graphic = %d\n",x,y,graphic);
-    printf("DrawGraphicShifted(): This should never happen!\n");
-    return;
+    getGraphicSourceExt(graphic, frame, &src_bitmap, &src_x, &src_y, FALSE);
+
+    dst_x = FX + x2 * TILEX;
+    dst_y = FY + y2 * TILEY;
+
+    if (mask_mode == USE_MASKING)
+    {
+      SetClipOrigin(src_bitmap, src_bitmap->stored_clip_gc,
+                   dst_x - src_x, dst_y - src_y);
+      BlitBitmapMasked(src_bitmap, drawto_field, src_x, src_y, width, height,
+                      dst_x, dst_y);
+    }
+    else
+      BlitBitmap(src_bitmap, drawto_field, src_x, src_y, width, height,
+                dst_x, dst_y);
+
+    MarkTileDirty(x2, y2);
   }
-#endif
+}
 
-  if (mask_mode == USE_MASKING)
+static void DrawGraphicShifted(int x, int y, int dx, int dy,
+                              int graphic, int frame,
+                              int cut_mode, int mask_mode)
+{
+  if (graphic < 0)
   {
-    SetClipOrigin(src_bitmap, drawing_gc, dest_x - src_x, dest_y - src_y);
-    BlitBitmapMasked(src_bitmap, drawto_field, src_x, src_y, width, height,
-                    dest_x, dest_y);
+    DrawGraphic(x, y, graphic, frame);
+
+    return;
   }
-  else
-    BlitBitmap(src_bitmap, drawto_field, src_x, src_y, width, height,
-              dest_x, dest_y);
 
-  MarkTileDirty(x, y);
+  if (graphic_info[graphic].double_movement)   /* EM style movement images */
+    DrawGraphicShiftedDouble(x, y, dx, dy, graphic, frame, cut_mode,mask_mode);
+  else
+    DrawGraphicShiftedNormal(x, y, dx, dy, graphic, frame, cut_mode,mask_mode);
 }
 
 void DrawGraphicShiftedThruMask(int x, int y, int dx, int dy, int graphic,
@@ -1224,6 +1369,13 @@ void DrawScreenElementExt(int x, int y, int dx, int dy, int element,
 
     graphic = el_act_dir2img(element, GfxAction[lx][ly], GfxDir[lx][ly]);
     frame = getGraphicAnimationFrame(graphic, GfxFrame[lx][ly]);
+
+    /* do not use double (EM style) movement graphic when not moving */
+    if (graphic_info[graphic].double_movement && !dx && !dy)
+    {
+      graphic = el_act_dir2img(element, ACTION_DEFAULT, GfxDir[lx][ly]);
+      frame = getGraphicAnimationFrame(graphic, GfxFrame[lx][ly]);
+    }
   }
   else /* border element */
   {
@@ -1292,189 +1444,345 @@ void DrawLevelFieldThruMask(int x, int y)
   DrawLevelElementExt(x, y, 0, 0, Feld[x][y], NO_CUTTING, USE_MASKING);
 }
 
-#define TILE_GFX_ELEMENT(x, y)                                             \
-       (GfxElement[x][y] != EL_UNDEFINED && Feld[x][y] != EL_EXPLOSION ?   \
-        GfxElement[x][y] : Feld[x][y])
+/* !!! implementation of quicksand is totally broken !!! */
+#define IS_CRUMBLED_TILE(x, y, e)                                      \
+       (GFX_CRUMBLED(e) && (!IN_LEV_FIELD(x, y) ||                     \
+                            !IS_MOVING(x, y) ||                        \
+                            (e) == EL_QUICKSAND_EMPTYING ||            \
+                            (e) == EL_QUICKSAND_FAST_EMPTYING))
 
-static void DrawLevelFieldCrumbledSandExt(int x, int y, int graphic, int frame)
+static void DrawLevelFieldCrumbledInnerCorners(int x, int y, int dx, int dy,
+                                              int graphic)
 {
   Bitmap *src_bitmap;
   int src_x, src_y;
+  int width, height, cx, cy;
   int sx = SCREENX(x), sy = SCREENY(y);
-  int element;
-  int width, height, cx, cy, i;
-#if 1
   int crumbled_border_size = graphic_info[graphic].border_size;
-#else
-  int snip = TILEX / 8;        /* number of border pixels from "crumbled graphic" */
-#endif
-  static int xy[4][2] =
-  {
-    { 0, -1 },
-    { -1, 0 },
-    { +1, 0 },
-    { 0, +1 }
-  };
+  int i;
 
-#if 0
-  if (x == 0 && y == 7)
-    printf("::: %d, %d [%d]\n", GfxElement[x][y], Feld[x][y],
-          crumbled_border_size);
-#endif
+  getGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
 
-  if (!IN_LEV_FIELD(x, y))
-    return;
+  for (i = 1; i < 4; i++)
+  {
+    int dxx = (i & 1 ? dx : 0);
+    int dyy = (i & 2 ? dy : 0);
+    int xx = x + dxx;
+    int yy = y + dyy;
+    int element = (IN_LEV_FIELD(xx, yy) ? TILE_GFX_ELEMENT(xx, yy) :
+                  BorderElement);
 
-  element = TILE_GFX_ELEMENT(x, y);
+    /* check if neighbour field is of same crumble type */
+    boolean same = (IS_CRUMBLED_TILE(xx, yy, element) &&
+                   graphic_info[graphic].class ==
+                   graphic_info[el_act2crm(element, ACTION_DEFAULT)].class);
 
-  /* crumble field itself */
-  if (GFX_CRUMBLED(element) && !IS_MOVING(x, y))
-  {
-    if (!IN_SCR_FIELD(sx, sy))
+    /* return if check prevents inner corner */
+    if (same == (dxx == dx && dyy == dy))
       return;
+  }
 
-    getGraphicSource(graphic, frame, &src_bitmap, &src_x, &src_y);
+  /* if we reach this point, we have an inner corner */
 
-    for (i = 0; i < 4; i++)
-    {
-      int xx = x + xy[i][0];
-      int yy = y + xy[i][1];
+  getGraphicSource(graphic, 1, &src_bitmap, &src_x, &src_y);
+
+  width  = crumbled_border_size;
+  height = crumbled_border_size;
+  cx = (dx > 0 ? TILEX - crumbled_border_size : 0);
+  cy = (dy > 0 ? TILEY - crumbled_border_size : 0);
+
+  BlitBitmap(src_bitmap, drawto_field, src_x + cx, src_y + cy,
+            width, height, FX + sx * TILEX + cx, FY + sy * TILEY + cy);
+}
+
+static void DrawLevelFieldCrumbledBorders(int x, int y, int graphic, int frame,
+                                         int dir)
+{
+  Bitmap *src_bitmap;
+  int src_x, src_y;
+  int width, height, bx, by, cx, cy;
+  int sx = SCREENX(x), sy = SCREENY(y);
+  int crumbled_border_size = graphic_info[graphic].border_size;
+  int i;
+
+  getGraphicSource(graphic, frame, &src_bitmap, &src_x, &src_y);
+
+  /* draw simple, sloppy, non-corner-accurate crumbled border */
 
 #if 1
-      element = (IN_LEV_FIELD(xx, yy) ? TILE_GFX_ELEMENT(xx, yy) :
-                BorderElement);
+  width  = (dir == 1 || dir == 2 ? crumbled_border_size : TILEX);
+  height = (dir == 0 || dir == 3 ? crumbled_border_size : TILEY);
+  cx = (dir == 2 ? TILEX - crumbled_border_size : 0);
+  cy = (dir == 3 ? TILEY - crumbled_border_size : 0);
 #else
-      element = (IN_LEV_FIELD(xx, yy) ? Feld[xx][yy] : BorderElement);
+  if (dir == 1 || dir == 2)            /* left or right crumbled border */
+  {
+    width = crumbled_border_size;
+    height = TILEY;
+    cx = (dir == 2 ? TILEX - crumbled_border_size : 0);
+    cy = 0;
+  }
+  else                                 /* top or bottom crumbled border */
+  {
+    width = TILEX;
+    height = crumbled_border_size;
+    cx = 0;
+    cy = (dir == 3 ? TILEY - crumbled_border_size : 0);
+  }
 #endif
 
-      /* check if neighbour field is of same type */
-      if (GFX_CRUMBLED(element) && !IS_MOVING(xx, yy))
-       continue;
+  BlitBitmap(src_bitmap, drawto_field, src_x + cx, src_y + cy,
+            width, height, FX + sx * TILEX + cx, FY + sy * TILEY + cy);
 
-#if 0
-      if (Feld[x][y] == EL_CUSTOM_START + 123)
-       printf("::: crumble [%d] THE CHAOS ENGINE (%d, %d): %d, %d\n",
-              i, Feld[x][y], element,
-              GFX_CRUMBLED(element), IS_MOVING(x, y));
-#endif
+  /* (remaining middle border part must be at least as big as corner part) */
+  if (!(graphic_info[graphic].style & STYLE_ACCURATE_BORDERS) ||
+      crumbled_border_size >= TILESIZE / 3)
+    return;
+
+  /* correct corners of crumbled border, if needed */
+
+#if 1
+  for (i = -1; i <= 1; i+=2)
+  {
+    int xx = x + (dir == 0 || dir == 3 ? i : 0);
+    int yy = y + (dir == 1 || dir == 2 ? i : 0);
+    int element = (IN_LEV_FIELD(xx, yy) ? TILE_GFX_ELEMENT(xx, yy) :
+                  BorderElement);
+
+    /* check if neighbour field is of same crumble type */
+    if (IS_CRUMBLED_TILE(xx, yy, element) &&
+       graphic_info[graphic].class ==
+       graphic_info[el_act2crm(element, ACTION_DEFAULT)].class)
+    {
+      /* no crumbled corner, but continued crumbled border */
+
+      int c1 = (dir == 2 || dir == 3 ? TILESIZE - crumbled_border_size : 0);
+      int c2 = (i == 1 ? TILESIZE - crumbled_border_size : 0);
+      int b1 = (i == 1 ? crumbled_border_size :
+               TILESIZE - 2 * crumbled_border_size);
 
-      if (i == 1 || i == 2)
+      width  = crumbled_border_size;
+      height = crumbled_border_size;
+
+      if (dir == 1 || dir == 2)
       {
-       width = crumbled_border_size;
-       height = TILEY;
-       cx = (i == 2 ? TILEX - crumbled_border_size : 0);
-       cy = 0;
+       cx = c1;
+       cy = c2;
+       bx = cx;
+       by = b1;
       }
       else
       {
-       width = TILEX;
-       height = crumbled_border_size;
-       cx = 0;
-       cy = (i == 3 ? TILEY - crumbled_border_size : 0);
+       cx = c2;
+       cy = c1;
+       bx = b1;
+       by = cy;
       }
 
-      BlitBitmap(src_bitmap, drawto_field, src_x + cx, src_y + cy,
+      BlitBitmap(src_bitmap, drawto_field, src_x + bx, src_y + by,
                 width, height, FX + sx * TILEX + cx, FY + sy * TILEY + cy);
     }
+  }
+#else
+  if (dir == 1 || dir == 2)            /* left or right crumbled border */
+  {
+    for (i = -1; i <= 1; i+=2)
+    {
+      int xx = x;
+      int yy = y + i;
+      int element = (IN_LEV_FIELD(xx, yy) ? TILE_GFX_ELEMENT(xx, yy) :
+                    BorderElement);
+
+      /* check if neighbour field is of same crumble type */
+      if (IS_CRUMBLED_TILE(xx, yy, element) &&
+         graphic_info[graphic].class ==
+         graphic_info[el_act2crm(element, ACTION_DEFAULT)].class)
+      {
+       /* no crumbled corner, but continued crumbled border */
 
-    MarkTileDirty(sx, sy);
+       width  = crumbled_border_size;
+       height = crumbled_border_size;
+       cx = (dir == 2 ? TILEX - crumbled_border_size : 0);
+       cy = (i == 1 ? TILEY - crumbled_border_size : 0);
+       bx = cx;
+       by = (i == 1 ? crumbled_border_size :
+             TILEY - 2 * crumbled_border_size);
+
+       BlitBitmap(src_bitmap, drawto_field, src_x + bx, src_y + by,
+                  width, height, FX + sx * TILEX + cx, FY + sy * TILEY + cy);
+      }
+    }
   }
-  else         /* crumble neighbour fields */
+  else                         /* top or bottom crumbled border */
   {
-#if 0
-    getGraphicSource(graphic, frame, &src_bitmap, &src_x, &src_y);
+    for (i = -1; i <= 1; i+=2)
+    {
+      int xx = x + i;
+      int yy = y;
+      int element = (IN_LEV_FIELD(xx, yy) ? TILE_GFX_ELEMENT(xx, yy) :
+                    BorderElement);
+
+      /* check if neighbour field is of same crumble type */
+      if (IS_CRUMBLED_TILE(xx, yy, element) &&
+         graphic_info[graphic].class ==
+         graphic_info[el_act2crm(element, ACTION_DEFAULT)].class)
+      {
+       /* no crumbled corner, but continued crumbled border */
+
+       width  = crumbled_border_size;
+       height = crumbled_border_size;
+       cx = (i == 1 ? TILEX - crumbled_border_size : 0);
+       cy = (dir == 3 ? TILEY - crumbled_border_size : 0);
+       bx = (i == 1 ? crumbled_border_size :
+             TILEX - 2 * crumbled_border_size);
+       by = cy;
+
+       BlitBitmap(src_bitmap, drawto_field, src_x + bx, src_y + by,
+                  width, height, FX + sx * TILEX + cx, FY + sy * TILEY + cy);
+      }
+    }
+  }
 #endif
+}
+
+static void DrawLevelFieldCrumbledExt(int x, int y, int graphic, int frame)
+{
+  int sx = SCREENX(x), sy = SCREENY(y);
+  int element;
+  int i;
+  static int xy[4][2] =
+  {
+    { 0, -1 },
+    { -1, 0 },
+    { +1, 0 },
+    { 0, +1 }
+  };
+
+  if (!IN_LEV_FIELD(x, y))
+    return;
+
+  element = TILE_GFX_ELEMENT(x, y);
+
+  /* crumble field itself */
+  if (IS_CRUMBLED_TILE(x, y, element))
+  {
+    if (!IN_SCR_FIELD(sx, sy))
+      return;
 
     for (i = 0; i < 4; i++)
     {
       int xx = x + xy[i][0];
       int yy = y + xy[i][1];
-      int sxx = sx + xy[i][0];
-      int syy = sy + xy[i][1];
-
-#if 1
-      if (!IN_LEV_FIELD(xx, yy) ||
-         !IN_SCR_FIELD(sxx, syy) ||
-         IS_MOVING(xx, yy))
-       continue;
 
-      element = TILE_GFX_ELEMENT(xx, yy);
+      element = (IN_LEV_FIELD(xx, yy) ? TILE_GFX_ELEMENT(xx, yy) :
+                BorderElement);
 
-      if (!GFX_CRUMBLED(element))
+      /* check if neighbour field is of same crumble type */
+#if 1
+      if (IS_CRUMBLED_TILE(xx, yy, element) &&
+         graphic_info[graphic].class ==
+         graphic_info[el_act2crm(element, ACTION_DEFAULT)].class)
        continue;
 #else
-      if (!IN_LEV_FIELD(xx, yy) ||
-         !IN_SCR_FIELD(sxx, syy) ||
-         !GFX_CRUMBLED(Feld[xx][yy]) ||
-         IS_MOVING(xx, yy))
+      if (IS_CRUMBLED_TILE(xx, yy, element))
        continue;
 #endif
 
-#if 1
-      graphic = el_act2crm(Feld[xx][yy], ACTION_DEFAULT);
-      crumbled_border_size = graphic_info[graphic].border_size;
-
-      getGraphicSource(graphic, frame, &src_bitmap, &src_x, &src_y);
-#endif
+      DrawLevelFieldCrumbledBorders(x, y, graphic, frame, i);
+    }
 
-      if (i == 1 || i == 2)
-      {
-       width = crumbled_border_size;
-       height = TILEY;
-       cx = (i == 1 ? TILEX - crumbled_border_size : 0);
-       cy = 0;
-      }
-      else
+    if ((graphic_info[graphic].style & STYLE_INNER_CORNERS) &&
+       graphic_info[graphic].anim_frames == 2)
+    {
+      for (i = 0; i < 4; i++)
       {
-       width = TILEX;
-       height = crumbled_border_size;
-       cx = 0;
-       cy = (i == 0 ? TILEY - crumbled_border_size : 0);
+       int dx = (i & 1 ? +1 : -1);
+       int dy = (i & 2 ? +1 : -1);
+
+       DrawLevelFieldCrumbledInnerCorners(x, y, dx, dy, graphic);
       }
+    }
+
+    MarkTileDirty(sx, sy);
+  }
+  else         /* center field not crumbled -- crumble neighbour fields */
+  {
+    for (i = 0; i < 4; i++)
+    {
+      int xx = x + xy[i][0];
+      int yy = y + xy[i][1];
+      int sxx = sx + xy[i][0];
+      int syy = sy + xy[i][1];
+
+      if (!IN_LEV_FIELD(xx, yy) ||
+         !IN_SCR_FIELD(sxx, syy))
+       continue;
+
+      if (Feld[xx][yy] == EL_ELEMENT_SNAPPING)
+       continue;
+
+      element = TILE_GFX_ELEMENT(xx, yy);
+
+      if (!IS_CRUMBLED_TILE(xx, yy, element))
+       continue;
+
+      graphic = el_act2crm(element, ACTION_DEFAULT);
 
-      BlitBitmap(src_bitmap, drawto_field, src_x + cx, src_y + cy,
-                width, height, FX + sxx * TILEX + cx, FY + syy * TILEY + cy);
+      DrawLevelFieldCrumbledBorders(xx, yy, graphic, 0, 3 - i);
 
       MarkTileDirty(sxx, syy);
     }
   }
 }
 
-void DrawLevelFieldCrumbledSand(int x, int y)
+void DrawLevelFieldCrumbled(int x, int y)
 {
-#if 1
   int graphic;
 
   if (!IN_LEV_FIELD(x, y))
     return;
 
-  graphic = el_act2crm(Feld[x][y], ACTION_DEFAULT);
+#if 1
+  /* !!! CHECK THIS !!! */
+
+  /*
+  if (Feld[x][y] == EL_ELEMENT_SNAPPING &&
+      GFX_CRUMBLED(GfxElement[x][y]))
+  */
+
+  if (Feld[x][y] == EL_ELEMENT_SNAPPING &&
+      GfxElement[x][y] != EL_UNDEFINED &&
+      GFX_CRUMBLED(GfxElement[x][y]))
+  {
+    DrawLevelFieldCrumbledDigging(x, y, GfxDir[x][y], GfxFrame[x][y]);
 
-  DrawLevelFieldCrumbledSandExt(x, y, graphic, 0);
+    return;
+  }
+#endif
+
+#if 1
+  graphic = el_act2crm(TILE_GFX_ELEMENT(x, y), ACTION_DEFAULT);
 #else
-  DrawLevelFieldCrumbledSandExt(x, y, IMG_SAND_CRUMBLED, 0);
+  graphic = el_act2crm(Feld[x][y], ACTION_DEFAULT);
 #endif
+
+  DrawLevelFieldCrumbledExt(x, y, graphic, 0);
 }
 
-void DrawLevelFieldCrumbledSandDigging(int x, int y, int direction,
-                                      int step_frame)
+void DrawLevelFieldCrumbledDigging(int x, int y, int direction,
+                                  int step_frame)
 {
-#if 1
   int graphic1 = el_act_dir2img(GfxElement[x][y], ACTION_DIGGING, direction);
   int graphic2 = el_act_dir2crm(GfxElement[x][y], ACTION_DIGGING, direction);
-#else
-  int graphic1 = el_act_dir2img(EL_SAND,          ACTION_DIGGING, direction);
-  int graphic2 = el_act_dir2img(EL_SAND_CRUMBLED, ACTION_DIGGING, direction);
-#endif
   int frame1 = getGraphicAnimationFrame(graphic1, step_frame);
   int frame2 = getGraphicAnimationFrame(graphic2, step_frame);
   int sx = SCREENX(x), sy = SCREENY(y);
 
   DrawGraphic(sx, sy, graphic1, frame1);
-  DrawLevelFieldCrumbledSandExt(x, y, graphic2, frame2);
+  DrawLevelFieldCrumbledExt(x, y, graphic2, frame2);
 }
 
-void DrawLevelFieldCrumbledSandNeighbours(int x, int y)
+void DrawLevelFieldCrumbledNeighbours(int x, int y)
 {
   int sx = SCREENX(x), sy = SCREENY(y);
   static int xy[4][2] =
@@ -1529,7 +1837,7 @@ static int getBorderElement(int x, int y)
 void DrawScreenElement(int x, int y, int element)
 {
   DrawScreenElementExt(x, y, 0, 0, element, NO_CUTTING, NO_MASKING);
-  DrawLevelFieldCrumbledSand(LEVELX(x), LEVELY(y));
+  DrawLevelFieldCrumbled(LEVELX(x), LEVELY(y));
 }
 
 void DrawLevelElement(int x, int y, int element)
@@ -1551,6 +1859,7 @@ void DrawScreenField(int x, int y)
       element = getBorderElement(lx, ly);
 
     DrawScreenElement(x, y, element);
+
     return;
   }
 
@@ -1563,17 +1872,35 @@ void DrawScreenField(int x, int y)
     boolean cut_mode = NO_CUTTING;
 
     if (element == EL_QUICKSAND_EMPTYING ||
+       element == EL_QUICKSAND_FAST_EMPTYING ||
        element == EL_MAGIC_WALL_EMPTYING ||
        element == EL_BD_MAGIC_WALL_EMPTYING ||
+       element == EL_DC_MAGIC_WALL_EMPTYING ||
        element == EL_AMOEBA_DROPPING)
       cut_mode = CUT_ABOVE;
     else if (element == EL_QUICKSAND_FILLING ||
+            element == EL_QUICKSAND_FAST_FILLING ||
             element == EL_MAGIC_WALL_FILLING ||
-            element == EL_BD_MAGIC_WALL_FILLING)
+            element == EL_BD_MAGIC_WALL_FILLING ||
+            element == EL_DC_MAGIC_WALL_FILLING)
       cut_mode = CUT_BELOW;
 
+#if 0
+    if (lx == 9 && ly == 1)
+      printf("::: %s [%d] [%d, %d] [%d]\n",
+            EL_NAME(TILE_GFX_ELEMENT(lx, ly)),
+            el_act2crm(TILE_GFX_ELEMENT(lx, ly), ACTION_DEFAULT),
+            element_info[EL_QUICKSAND_EMPTYING].graphic[ACTION_DEFAULT],
+            element_info[EL_QUICKSAND_EMPTYING].crumbled[ACTION_DEFAULT],
+            GFX_CRUMBLED(TILE_GFX_ELEMENT(lx, ly)));
+#endif
+
     if (cut_mode == CUT_ABOVE)
+#if 1
+      DrawScreenElement(x, y, element);
+#else
       DrawScreenElementShifted(x, y, 0, 0, element, NO_CUTTING);
+#endif
     else
       DrawScreenElement(x, y, EL_EMPTY);
 
@@ -1582,8 +1909,16 @@ void DrawScreenField(int x, int y)
     else if (cut_mode == NO_CUTTING)
       DrawScreenElementShifted(x, y, 0, MovPos[lx][ly], element, cut_mode);
     else
+    {
       DrawScreenElementShifted(x, y, 0, MovPos[lx][ly], content, cut_mode);
 
+#if 1
+      if (cut_mode == CUT_BELOW &&
+         IN_LEV_FIELD(lx, ly + 1) && IN_SCR_FIELD(x, y + 1))
+       DrawLevelElement(lx, ly + 1, element);
+#endif
+    }
+
     if (content == EL_ACID)
     {
       int dir = MovDir[lx][ly];
@@ -1611,8 +1946,10 @@ void DrawScreenField(int x, int y)
     content_old = Store[oldx][oldy];
 
     if (element_old == EL_QUICKSAND_EMPTYING ||
+       element_old == EL_QUICKSAND_FAST_EMPTYING ||
        element_old == EL_MAGIC_WALL_EMPTYING ||
        element_old == EL_BD_MAGIC_WALL_EMPTYING ||
+       element_old == EL_DC_MAGIC_WALL_EMPTYING ||
        element_old == EL_AMOEBA_DROPPING)
       cut_mode = CUT_ABOVE;
 
@@ -1722,23 +2059,97 @@ void DrawEnvelopeBackground(int envelope_nr, int startx, int starty,
 void AnimateEnvelope(int envelope_nr, int anim_mode, int action)
 {
   int graphic = IMG_BACKGROUND_ENVELOPE_1 + envelope_nr;
-#if 1
   Bitmap *src_bitmap = graphic_info[graphic].bitmap;
   int mask_mode = (src_bitmap != NULL ? BLIT_MASKED : BLIT_ON_BACKGROUND);
+  boolean ffwd_delay = (tape.playing && tape.fast_forward);
+  boolean no_delay = (tape.warp_forward);
+  unsigned long anim_delay = 0;
+  int frame_delay_value = (ffwd_delay ? FfwdFrameDelay : GameFrameDelay);
+  int anim_delay_value = (no_delay ? 0 : frame_delay_value);
+  int font_nr = FONT_ENVELOPE_1 + envelope_nr;
+  int font_width = getFontWidth(font_nr);
+  int font_height = getFontHeight(font_nr);
+  int max_xsize = level.envelope[envelope_nr].xsize;
+  int max_ysize = level.envelope[envelope_nr].ysize;
+  int xstart = (anim_mode & ANIM_VERTICAL ? max_xsize : 0);
+  int ystart = (anim_mode & ANIM_HORIZONTAL ? max_ysize : 0);
+  int xend = max_xsize;
+  int yend = (anim_mode != ANIM_DEFAULT ? max_ysize : 0);
+  int xstep = (xstart < xend ? 1 : 0);
+  int ystep = (ystart < yend || xstep == 0 ? 1 : 0);
+  int x, y;
+
+  for (x = xstart, y = ystart; x <= xend && y <= yend; x += xstep, y += ystep)
+  {
+    int xsize = (action == ACTION_CLOSING ? xend - (x - xstart) : x) + 2;
+    int ysize = (action == ACTION_CLOSING ? yend - (y - ystart) : y) + 2;
+    int sx = (SXSIZE - xsize * font_width)  / 2;
+    int sy = (SYSIZE - ysize * font_height) / 2;
+    int xx, yy;
+
+    SetDrawtoField(DRAW_BUFFERED);
+
+    BlitBitmap(fieldbuffer, backbuffer, FX, FY, SXSIZE, SYSIZE, SX, SY);
+
+    SetDrawtoField(DRAW_BACKBUFFER);
+
+    for (yy = 0; yy < ysize; yy++) for (xx = 0; xx < xsize; xx++)
+      DrawEnvelopeBackground(envelope_nr, sx,sy, xx,yy, xsize, ysize, font_nr);
+
+#if 1
+    DrawTextBuffer(SX + sx + font_width, SY + sy + font_height,
+                  level.envelope[envelope_nr].text, font_nr, max_xsize,
+                  xsize - 2, ysize - 2, 0, mask_mode,
+                  level.envelope[envelope_nr].autowrap,
+                  level.envelope[envelope_nr].centered, FALSE);
 #else
-  boolean draw_masked = graphic_info[graphic].draw_masked;
-  int mask_mode = (draw_masked ? BLIT_MASKED : BLIT_ON_BACKGROUND);
+    DrawTextToTextArea(SX + sx + font_width, SY + sy + font_height,
+                      level.envelope[envelope_nr].text, font_nr, max_xsize,
+                      xsize - 2, ysize - 2, mask_mode);
+#endif
+
+    redraw_mask |= REDRAW_FIELD | REDRAW_FROM_BACKBUFFER;
+    BackToFront();
+
+    WaitUntilDelayReached(&anim_delay, anim_delay_value / 2);
+  }
+}
+
+void AnimateEnvelopeDoor(char *text, int anim_mode, int action)
+{
+#if 1
+  int envelope_nr = 0;
 #endif
+  int graphic = IMG_BACKGROUND_ENVELOPE_1 + envelope_nr;
+  Bitmap *src_bitmap = graphic_info[graphic].bitmap;
+  int mask_mode = (src_bitmap != NULL ? BLIT_MASKED : BLIT_ON_BACKGROUND);
   boolean ffwd_delay = (tape.playing && tape.fast_forward);
   boolean no_delay = (tape.warp_forward);
   unsigned long anim_delay = 0;
   int frame_delay_value = (ffwd_delay ? FfwdFrameDelay : GameFrameDelay);
   int anim_delay_value = (no_delay ? 0 : frame_delay_value);
+#if 1
+  int max_word_len = maxWordLengthInString(text);
+  int font_nr = (max_word_len > 7 ? FONT_TEXT_1 : FONT_TEXT_2);
+#else
   int font_nr = FONT_ENVELOPE_1 + envelope_nr;
+#endif
   int font_width = getFontWidth(font_nr);
   int font_height = getFontHeight(font_nr);
-  int max_xsize = level.envelope_xsize[envelope_nr];
-  int max_ysize = level.envelope_ysize[envelope_nr];
+#if 1
+
+#if 1
+  int max_xsize = DXSIZE / font_width;
+  int max_ysize = DYSIZE / font_height;
+#else
+  int max_xsize = 7;   /* tools.c: MAX_REQUEST_LINE_FONT1_LEN == 7 */
+  int max_ysize = 13;  /* tools.c: MAX_REQUEST_LINES == 13 */
+#endif
+
+#else
+  int max_xsize = level.envelope[envelope_nr].xsize;
+  int max_ysize = level.envelope[envelope_nr].ysize;
+#endif
   int xstart = (anim_mode & ANIM_VERTICAL ? max_xsize : 0);
   int ystart = (anim_mode & ANIM_HORIZONTAL ? max_ysize : 0);
   int xend = max_xsize;
@@ -1747,6 +2158,54 @@ void AnimateEnvelope(int envelope_nr, int anim_mode, int action)
   int ystep = (ystart < yend || xstep == 0 ? 1 : 0);
   int x, y;
 
+#if 1
+  char *text_ptr;
+  char *text_copy = getStringCopy(text);
+#else
+#if 1
+  font_nr = FONT_TEXT_2;
+
+  if (maxWordLengthInString(text) > 7) /* MAX_REQUEST_LINE_FONT1_LEN == 7 */
+  {
+    max_xsize = 10;    /* tools.c: MAX_REQUEST_LINE_FONT2_LEN == 10 */
+    font_nr = FONT_TEXT_1;
+  }
+#else
+  int max_word_len = 0;
+  char *text_ptr;
+  char *text_copy = getStringCopy(text);
+
+  font_nr = FONT_TEXT_2;
+
+  for (text_ptr = text; *text_ptr; text_ptr++)
+  {
+    max_word_len = (*text_ptr != ' ' ? max_word_len + 1 : 0);
+
+    if (max_word_len > 7)      /* tools.c: MAX_REQUEST_LINE_FONT1_LEN == 7 */
+    {
+      max_xsize = 10;  /* tools.c: MAX_REQUEST_LINE_FONT2_LEN == 10 */
+      font_nr = FONT_TEXT_1;
+
+      break;
+    }
+  }
+#endif
+#endif
+
+#if 1
+  for (text_ptr = text_copy; *text_ptr; text_ptr++)
+    if (*text_ptr == ' ')
+      *text_ptr = '\n';
+#endif
+
+#if 1
+  dDX = SX + (SXSIZE - DXSIZE) / 2 - DX;
+  dDY = SY + (SYSIZE - DYSIZE) / 2 - DY;
+#else
+  dDX = SX + SXSIZE / 2 - max_xsize * font_width  / 2 - DX;
+  dDY = SY + SYSIZE / 2 - max_ysize * font_height / 2 - DY;
+#endif
+
   for (x = xstart, y = ystart; x <= xend && y <= yend; x += xstep, y += ystep)
   {
     int xsize = (action == ACTION_CLOSING ? xend - (x - xstart) : x) + 2;
@@ -1755,24 +2214,81 @@ void AnimateEnvelope(int envelope_nr, int anim_mode, int action)
     int sy = (SYSIZE - ysize * font_height) / 2;
     int xx, yy;
 
+#if 1
+    BlitBitmap(bitmap_db_store, backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+#else
     SetDrawtoField(DRAW_BUFFERED);
 
     BlitBitmap(fieldbuffer, backbuffer, FX, FY, SXSIZE, SYSIZE, SX, SY);
 
     SetDrawtoField(DRAW_BACKBUFFER);
+#endif
 
     for (yy = 0; yy < ysize; yy++) for (xx = 0; xx < xsize; xx++)
       DrawEnvelopeBackground(envelope_nr, sx,sy, xx,yy, xsize, ysize, font_nr);
 
+#if 1
+
+#if 1
+    DrawTextBuffer(SX + sx + font_width, SY + sy + font_height + 8,
+                  text_copy, font_nr, max_xsize,
+                  xsize - 2, ysize - 2, 2, mask_mode,
+                  FALSE, TRUE, FALSE);
+#else
+    DrawTextBuffer(SX + sx + font_width, SY + sy + font_height,
+                  level.envelope[envelope_nr].text, font_nr, max_xsize,
+                  xsize - 2, ysize - 2, 0, mask_mode,
+                  level.envelope[envelope_nr].autowrap,
+                  level.envelope[envelope_nr].centered, FALSE);
+#endif
+
+#else
     DrawTextToTextArea(SX + sx + font_width, SY + sy + font_height,
-                      level.envelope_text[envelope_nr], font_nr, max_xsize,
+                      level.envelope[envelope_nr].text, font_nr, max_xsize,
                       xsize - 2, ysize - 2, mask_mode);
+#endif
+
+    /* copy request gadgets to door backbuffer */
+#if 1
+    if ((ysize - 2) > 13)
+      BlitBitmap(bitmap_db_door, drawto,
+                DOOR_GFX_PAGEX1 + (DXSIZE - (xsize - 2) * font_width) / 2,
+                DOOR_GFX_PAGEY1 + 13 * font_height,
+                (xsize - 2) * font_width,
+                (ysize - 2 - 13) * font_height,
+                SX + sx + font_width,
+                SY + sy + font_height * (1 + 13));
+#else
+    if ((ysize - 2) > 13)
+      BlitBitmap(bitmap_db_door, drawto,
+                DOOR_GFX_PAGEX1 + (DXSIZE - (xsize - 2) * font_width) / 2,
+                DOOR_GFX_PAGEY1 + 13 * font_height,
+                (xsize - 2) * font_width,
+                (ysize - 2 - 13) * font_height,
+                SX + sx + font_width,
+                SY + sy + font_height * (1 + 13));
+#endif
 
+#if 1
+    redraw_mask = REDRAW_FIELD | REDRAW_FROM_BACKBUFFER;
+    // redraw_mask |= REDRAW_ALL | REDRAW_FROM_BACKBUFFER;
+#else
     redraw_mask |= REDRAW_FIELD | REDRAW_FROM_BACKBUFFER;
+#endif
+
+#if 1
+    DoAnimation();
+    BackToFront();
+#else
     BackToFront();
+#endif
 
     WaitUntilDelayReached(&anim_delay, anim_delay_value / 2);
   }
+
+#if 1
+  free(text_copy);
+#endif
 }
 
 void ShowEnvelope(int envelope_nr)
@@ -1791,7 +2307,7 @@ void ShowEnvelope(int envelope_nr)
 
   game.envelope_active = TRUE; /* needed for RedrawPlayfield() events */
 
-  PlaySoundStereo(sound_opening, SOUND_MIDDLE);
+  PlayMenuSoundStereo(sound_opening, SOUND_MIDDLE);
 
   if (anim_mode == ANIM_DEFAULT)
     AnimateEnvelope(envelope_nr, ANIM_DEFAULT, ACTION_OPENING);
@@ -1803,7 +2319,7 @@ void ShowEnvelope(int envelope_nr)
   else
     WaitForEventToContinue();
 
-  PlaySoundStereo(sound_closing, SOUND_MIDDLE);
+  PlayMenuSoundStereo(sound_closing, SOUND_MIDDLE);
 
   if (anim_mode != ANIM_NONE)
     AnimateEnvelope(envelope_nr, main_anim_mode, ACTION_CLOSING);
@@ -1819,36 +2335,146 @@ void ShowEnvelope(int envelope_nr)
   BackToFront();
 }
 
-void getMicroGraphicSource(int graphic, Bitmap **bitmap, int *x, int *y)
-{
-  Bitmap *src_bitmap = graphic_info[graphic].bitmap;
-  int mini_startx = src_bitmap->width * 3 / 4;
-  int mini_starty = src_bitmap->height * 2 / 3;
-  int src_x = mini_startx + graphic_info[graphic].src_x / 8;
-  int src_y = mini_starty + graphic_info[graphic].src_y / 8;
-
-  *bitmap = src_bitmap;
-  *x = src_x;
-  *y = src_y;
-}
-
-void DrawMicroElement(int xpos, int ypos, int element)
+void ShowEnvelopeDoor(char *text, int action)
 {
-  Bitmap *src_bitmap;
-  int src_x, src_y;
-  int graphic = el2preimg(element);
+#if 1
+  int last_game_status = game_status;  /* save current game status */
+  // int last_draw_background_mask = gfx.draw_background_mask;
+  int envelope_nr = 0;
+#endif
+  int element = EL_ENVELOPE_1 + envelope_nr;
+  int graphic = IMG_BACKGROUND_ENVELOPE_1 + envelope_nr;
+  int sound_opening = element_info[element].sound[ACTION_OPENING];
+  int sound_closing = element_info[element].sound[ACTION_CLOSING];
+#if 0
+  boolean ffwd_delay = (tape.playing && tape.fast_forward);
+  boolean no_delay = (tape.warp_forward);
+  int normal_delay_value = ONE_SECOND_DELAY / (ffwd_delay ? 2 : 1);
+  int wait_delay_value = (no_delay ? 0 : normal_delay_value);
+#endif
+  int anim_mode = graphic_info[graphic].anim_mode;
+  int main_anim_mode = (anim_mode == ANIM_NONE ? ANIM_VERTICAL|ANIM_HORIZONTAL:
+                       anim_mode == ANIM_DEFAULT ? ANIM_VERTICAL : anim_mode);
+
+#if 1
+  if (game_status == GAME_MODE_PLAYING)
+  {
+    if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
+      BlitScreenToBitmap_EM(backbuffer);
+    else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
+      BlitScreenToBitmap_SP(backbuffer);
+    else
+    {
+      BlitBitmap(fieldbuffer, backbuffer, FX, FY, SXSIZE, SYSIZE, SX, SY);
+    }
+  }
+
+  SetDrawtoField(DRAW_BACKBUFFER);
+
+  // SetDrawBackgroundMask(REDRAW_NONE);
+
+  if (action == ACTION_OPENING)
+  {
+    BlitBitmap(backbuffer, bitmap_db_store, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+
+    if (game_status != GAME_MODE_MAIN)
+      InitAnimation();
+  }
+
+  /* force DOOR font inside door area */
+  game_status = GAME_MODE_PSEUDO_DOOR;
+#endif
+
+  game.envelope_active = TRUE; /* needed for RedrawPlayfield() events */
+
+  if (action == ACTION_OPENING)
+  {
+    PlayMenuSoundStereo(sound_opening, SOUND_MIDDLE);
+
+    if (anim_mode == ANIM_DEFAULT)
+      AnimateEnvelopeDoor(text, ANIM_DEFAULT, ACTION_OPENING);
+
+    AnimateEnvelopeDoor(text, main_anim_mode, ACTION_OPENING);
+
+#if 0
+    if (tape.playing)
+      Delay(wait_delay_value);
+    else
+      WaitForEventToContinue();
+#endif
+  }
+  else
+  {
+    PlayMenuSoundStereo(sound_closing, SOUND_MIDDLE);
+
+    if (anim_mode != ANIM_NONE)
+      AnimateEnvelopeDoor(text, main_anim_mode, ACTION_CLOSING);
+
+    if (anim_mode == ANIM_DEFAULT)
+      AnimateEnvelopeDoor(text, ANIM_DEFAULT, ACTION_CLOSING);
+  }
+
+  game.envelope_active = FALSE;
+
+#if 1
+  game_status = last_game_status;      /* restore current game status */
+
+  if (action == ACTION_CLOSING)
+  {
+    if (game_status != GAME_MODE_MAIN)
+      StopAnimation();
+
+    BlitBitmap(bitmap_db_store, backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+  }
+#else
+  SetDrawtoField(DRAW_BUFFERED);
+#endif
+
+  // SetDrawBackgroundMask(last_draw_background_mask);
+
+#if 1
+  redraw_mask = REDRAW_FIELD;
+  // redraw_mask |= REDRAW_ALL;
+#else
+  redraw_mask |= REDRAW_FIELD;
+#endif
+
+#if 1
+  if (game_status == GAME_MODE_MAIN)
+    DoAnimation();
+
+  BackToFront();
+
+  if (game_status == GAME_MODE_PLAYING &&
+      level.game_engine_type == GAME_ENGINE_TYPE_RND)
+    SetDrawtoField(DRAW_BUFFERED);
+#else
+  BackToFront();
+#endif
+}
+
+void DrawPreviewElement(int dst_x, int dst_y, int element, int tilesize)
+{
+  Bitmap *src_bitmap;
+  int src_x, src_y;
+  int graphic = el2preimg(element);
 
-  getMicroGraphicSource(graphic, &src_bitmap, &src_x, &src_y);
-  BlitBitmap(src_bitmap, drawto, src_x, src_y, MICRO_TILEX, MICRO_TILEY,
-            xpos, ypos);
+  getSizedGraphicSource(graphic, 0, tilesize, &src_bitmap, &src_x, &src_y);
+  BlitBitmap(src_bitmap, drawto, src_x, src_y, tilesize, tilesize, dst_x,dst_y);
 }
 
 void DrawLevel()
 {
   int x,y;
 
+#if 1
+  SetMainBackgroundImage(IMG_BACKGROUND_PLAYING);
+  SetDrawBackgroundMask(REDRAW_FIELD);
+#else
   SetDrawBackgroundMask(REDRAW_NONE);
-  ClearWindow();
+#endif
+
+  ClearField();
 
   for (x = BX1; x <= BX2; x++)
     for (y = BY1; y <= BY2; y++)
@@ -1868,33 +2494,36 @@ void DrawMiniLevel(int size_x, int size_y, int scroll_x, int scroll_y)
   redraw_mask |= REDRAW_FIELD;
 }
 
-static void DrawMicroLevelExt(int xpos, int ypos, int from_x, int from_y)
+static void DrawPreviewLevelExt(int from_x, int from_y)
 {
+  boolean show_level_border = (BorderElement != EL_EMPTY);
+  int level_xsize = lev_fieldx + (show_level_border ? 2 : 0);
+  int level_ysize = lev_fieldy + (show_level_border ? 2 : 0);
+  int tile_size = preview.tile_size;
+  int preview_width  = preview.xsize * tile_size;
+  int preview_height = preview.ysize * tile_size;
+  int real_preview_xsize = MIN(level_xsize, preview.xsize);
+  int real_preview_ysize = MIN(level_ysize, preview.ysize);
+  int dst_x = SX + ALIGNED_XPOS(preview.x, preview_width, preview.align);
+  int dst_y = SY + ALIGNED_YPOS(preview.y, preview_height, preview.valign);
   int x, y;
 
-  DrawBackground(xpos, ypos, MICROLEV_XSIZE, MICROLEV_YSIZE);
-
-  if (lev_fieldx < STD_LEV_FIELDX)
-    xpos += (STD_LEV_FIELDX - lev_fieldx) / 2 * MICRO_TILEX;
-  if (lev_fieldy < STD_LEV_FIELDY)
-    ypos += (STD_LEV_FIELDY - lev_fieldy) / 2 * MICRO_TILEY;
+  DrawBackground(dst_x, dst_y, preview_width, preview_height);
 
-  xpos += MICRO_TILEX;
-  ypos += MICRO_TILEY;
+  dst_x += (preview_width  - real_preview_xsize * tile_size) / 2;
+  dst_y += (preview_height - real_preview_ysize * tile_size) / 2;
 
-  for (x = -1; x <= STD_LEV_FIELDX; x++)
+  for (x = 0; x < real_preview_xsize; x++)
   {
-    for (y = -1; y <= STD_LEV_FIELDY; y++)
+    for (y = 0; y < real_preview_ysize; y++)
     {
-      int lx = from_x + x, ly = from_y + y;
-
-      if (lx >= 0 && lx < lev_fieldx && ly >= 0 && ly < lev_fieldy)
-       DrawMicroElement(xpos + x * MICRO_TILEX, ypos + y * MICRO_TILEY,
-                        level.field[lx][ly]);
-      else if (lx >= -1 && lx < lev_fieldx+1 && ly >= -1 && ly < lev_fieldy+1
-              && BorderElement != EL_EMPTY)
-       DrawMicroElement(xpos + x * MICRO_TILEX, ypos + y * MICRO_TILEY,
-                        getBorderElement(lx, ly));
+      int lx = from_x + x + (show_level_border ? -1 : 0);
+      int ly = from_y + y + (show_level_border ? -1 : 0);
+      int element = (IN_LEV_FIELD(lx, ly) ? level.field[lx][ly] :
+                    getBorderElement(lx, ly));
+
+      DrawPreviewElement(dst_x + x * tile_size, dst_y + y * tile_size,
+                        element, tile_size);
     }
   }
 
@@ -1903,64 +2532,143 @@ static void DrawMicroLevelExt(int xpos, int ypos, int from_x, int from_y)
 
 #define MICROLABEL_EMPTY               0
 #define MICROLABEL_LEVEL_NAME          1
-#define MICROLABEL_CREATED_BY          2
+#define MICROLABEL_LEVEL_AUTHOR_HEAD   2
 #define MICROLABEL_LEVEL_AUTHOR                3
-#define MICROLABEL_IMPORTED_FROM       4
-#define MICROLABEL_LEVEL_IMPORT_INFO   5
+#define MICROLABEL_IMPORTED_FROM_HEAD  4
+#define MICROLABEL_IMPORTED_FROM       5
+#define MICROLABEL_IMPORTED_BY_HEAD    6
+#define MICROLABEL_IMPORTED_BY         7
+
+static int getMaxTextLength(struct TextPosInfo *pos, int font_nr)
+{
+  int max_text_width = SXSIZE;
+  int font_width = getFontWidth(font_nr);
+
+  if (pos->align == ALIGN_CENTER)
+    max_text_width = (pos->x < SXSIZE / 2 ? pos->x * 2 : (SXSIZE - pos->x) * 2);
+  else if (pos->align == ALIGN_RIGHT)
+    max_text_width = pos->x;
+  else
+    max_text_width = SXSIZE - pos->x;
+
+  return max_text_width / font_width;
+}
 
-static void DrawMicroLevelLabelExt(int mode)
+static void DrawPreviewLevelLabelExt(int mode)
 {
+  struct TextPosInfo *pos = &menu.main.text.level_info_2;
   char label_text[MAX_OUTPUT_LINESIZE + 1];
   int max_len_label_text;
+#if 1
+  int font_nr = pos->font;
+  int i;
+
+  if (mode == MICROLABEL_LEVEL_AUTHOR_HEAD ||
+      mode == MICROLABEL_IMPORTED_FROM_HEAD ||
+      mode == MICROLABEL_IMPORTED_BY_HEAD)
+    font_nr = pos->font_alt;
+#else
   int font_nr = FONT_TEXT_2;
+  int i;
 
-  if (mode == MICROLABEL_CREATED_BY || mode == MICROLABEL_IMPORTED_FROM)
+  if (mode == MICROLABEL_LEVEL_AUTHOR_HEAD ||
+      mode == MICROLABEL_IMPORTED_FROM_HEAD ||
+      mode == MICROLABEL_IMPORTED_BY_HEAD)
     font_nr = FONT_TEXT_3;
+#endif
 
+#if 1
+  max_len_label_text = getMaxTextLength(pos, font_nr);
+#else
   max_len_label_text = SXSIZE / getFontWidth(font_nr);
+#endif
+
+#if 1
+  if (pos->size != -1)
+    max_len_label_text = pos->size;
+#endif
+
+  for (i = 0; i < max_len_label_text; i++)
+    label_text[i] = ' ';
+  label_text[max_len_label_text] = '\0';
+
+  if (strlen(label_text) > 0)
+  {
+#if 1
+    DrawTextSAligned(pos->x, pos->y, label_text, font_nr, pos->align);
+#else
+    int lxpos = SX + (SXSIZE - getTextWidth(label_text, font_nr)) / 2;
+    int lypos = MICROLABEL2_YPOS;
 
-  DrawBackground(SX, MICROLABEL_YPOS, SXSIZE, getFontHeight(font_nr));
+    DrawText(lxpos, lypos, label_text, font_nr);
+#endif
+  }
 
-  strncpy(label_text, (mode == MICROLABEL_LEVEL_NAME ? level.name :
-                      mode == MICROLABEL_CREATED_BY ? "created by" :
-                      mode == MICROLABEL_LEVEL_AUTHOR ? level.author :
-                      mode == MICROLABEL_IMPORTED_FROM ? "imported from" :
-                      mode == MICROLABEL_LEVEL_IMPORT_INFO ?
-                      leveldir_current->imported_from : ""),
+  strncpy(label_text,
+         (mode == MICROLABEL_LEVEL_NAME ? level.name :
+          mode == MICROLABEL_LEVEL_AUTHOR_HEAD ? "created by" :
+          mode == MICROLABEL_LEVEL_AUTHOR ? level.author :
+          mode == MICROLABEL_IMPORTED_FROM_HEAD ? "imported from" :
+          mode == MICROLABEL_IMPORTED_FROM ? leveldir_current->imported_from :
+          mode == MICROLABEL_IMPORTED_BY_HEAD ? "imported by" :
+          mode == MICROLABEL_IMPORTED_BY ? leveldir_current->imported_by :""),
          max_len_label_text);
   label_text[max_len_label_text] = '\0';
 
   if (strlen(label_text) > 0)
   {
+#if 1
+    DrawTextSAligned(pos->x, pos->y, label_text, font_nr, pos->align);
+#else
     int lxpos = SX + (SXSIZE - getTextWidth(label_text, font_nr)) / 2;
-    int lypos = MICROLABEL_YPOS;
+    int lypos = MICROLABEL2_YPOS;
 
     DrawText(lxpos, lypos, label_text, font_nr);
+#endif
   }
 
   redraw_mask |= REDRAW_MICROLEVEL;
 }
 
-void DrawMicroLevel(int xpos, int ypos, boolean restart)
+void DrawPreviewLevel(boolean restart)
 {
   static unsigned long scroll_delay = 0;
   static unsigned long label_delay = 0;
   static int from_x, from_y, scroll_direction;
   static int label_state, label_counter;
-  int last_game_status = game_status;  /* save current game status */
+  unsigned long scroll_delay_value = preview.step_delay;
+  boolean show_level_border = (BorderElement != EL_EMPTY);
+  int level_xsize = lev_fieldx + (show_level_border ? 2 : 0);
+  int level_ysize = lev_fieldy + (show_level_border ? 2 : 0);
+  int last_game_status = game_status;          /* save current game status */
 
+#if 0
   /* force PREVIEW font on preview level */
   game_status = GAME_MODE_PSEUDO_PREVIEW;
+#endif
 
   if (restart)
   {
-    from_x = from_y = 0;
+    from_x = 0;
+    from_y = 0;
+
+    if (preview.anim_mode == ANIM_CENTERED)
+    {
+      if (level_xsize > preview.xsize)
+       from_x = (level_xsize - preview.xsize) / 2;
+      if (level_ysize > preview.ysize)
+       from_y = (level_ysize - preview.ysize) / 2;
+    }
+
+    from_x += preview.xoffset;
+    from_y += preview.yoffset;
+
     scroll_direction = MV_RIGHT;
     label_state = 1;
     label_counter = 0;
 
-    DrawMicroLevelExt(xpos, ypos, from_x, from_y);
-    DrawMicroLevelLabelExt(label_state);
+    DrawPreviewLevelExt(from_x, from_y);
+    DrawPreviewLevelLabelExt(label_state);
 
     /* initialize delay counters */
     DelayReached(&scroll_delay, 0);
@@ -1968,11 +2676,39 @@ void DrawMicroLevel(int xpos, int ypos, boolean restart)
 
     if (leveldir_current->name)
     {
-      int text_width = getTextWidth(leveldir_current->name, FONT_TEXT_1);
-      int lxpos = SX + (SXSIZE - text_width) / 2;
-      int lypos = SY + 352;
+      struct TextPosInfo *pos = &menu.main.text.level_info_1;
+      char label_text[MAX_OUTPUT_LINESIZE + 1];
+#if 1
+      int font_nr = pos->font;
+#else
+      int font_nr = FONT_TEXT_1;
+#endif
+#if 1
+      int max_len_label_text = getMaxTextLength(pos, font_nr);
+#else
+      int max_len_label_text = SXSIZE / getFontWidth(font_nr);
+#endif
+#if 0
+      int text_width;
+      int lxpos, lypos;
+#endif
+
+#if 1
+      if (pos->size != -1)
+       max_len_label_text = pos->size;
+#endif
+
+      strncpy(label_text, leveldir_current->name, max_len_label_text);
+      label_text[max_len_label_text] = '\0';
+
+#if 1
+      DrawTextSAligned(pos->x, pos->y, label_text, font_nr, pos->align);
+#else
+      lxpos = SX + (SXSIZE - getTextWidth(label_text, font_nr)) / 2;
+      lypos = SY + MICROLABEL1_YPOS;
 
-      DrawText(lxpos, lypos, leveldir_current->name, FONT_TEXT_1);
+      DrawText(lxpos, lypos, label_text, font_nr);
+#endif
     }
 
     game_status = last_game_status;    /* restore current game status */
@@ -1980,36 +2716,51 @@ void DrawMicroLevel(int xpos, int ypos, boolean restart)
     return;
   }
 
-  /* scroll micro level, if needed */
-  if ((lev_fieldx > STD_LEV_FIELDX || lev_fieldy > STD_LEV_FIELDY) &&
-      DelayReached(&scroll_delay, MICROLEVEL_SCROLL_DELAY))
+  /* scroll preview level, if needed */
+  if (preview.anim_mode != ANIM_NONE &&
+      (level_xsize > preview.xsize || level_ysize > preview.ysize) &&
+      DelayReached(&scroll_delay, scroll_delay_value))
   {
     switch (scroll_direction)
     {
       case MV_LEFT:
        if (from_x > 0)
-         from_x--;
+       {
+         from_x -= preview.step_offset;
+         from_x = (from_x < 0 ? 0 : from_x);
+       }
        else
          scroll_direction = MV_UP;
        break;
 
       case MV_RIGHT:
-       if (from_x < lev_fieldx - STD_LEV_FIELDX)
-         from_x++;
+       if (from_x < level_xsize - preview.xsize)
+       {
+         from_x += preview.step_offset;
+         from_x = (from_x > level_xsize - preview.xsize ?
+                   level_xsize - preview.xsize : from_x);
+       }
        else
          scroll_direction = MV_DOWN;
        break;
 
       case MV_UP:
        if (from_y > 0)
-         from_y--;
+       {
+         from_y -= preview.step_offset;
+         from_y = (from_y < 0 ? 0 : from_y);
+       }
        else
          scroll_direction = MV_RIGHT;
        break;
 
       case MV_DOWN:
-       if (from_y < lev_fieldy - STD_LEV_FIELDY)
-         from_y++;
+       if (from_y < level_ysize - preview.ysize)
+       {
+         from_y += preview.step_offset;
+         from_y = (from_y > level_ysize - preview.ysize ?
+                   level_ysize - preview.ysize : from_y);
+       }
        else
          scroll_direction = MV_LEFT;
        break;
@@ -2018,3333 +2769,4983 @@ void DrawMicroLevel(int xpos, int ypos, boolean restart)
        break;
     }
 
-    DrawMicroLevelExt(xpos, ypos, from_x, from_y);
+    DrawPreviewLevelExt(from_x, from_y);
   }
 
+  /* !!! THIS ALL SUCKS -- SHOULD BE CLEANLY REWRITTEN !!! */
   /* redraw micro level label, if needed */
-  if (strcmp(level.name, NAMELESS_LEVEL_NAME) != 0 &&
-      strcmp(level.author, ANONYMOUS_NAME) != 0 &&
-      strcmp(level.author, leveldir_current->name) != 0 &&
+  if (!strEqual(level.name, NAMELESS_LEVEL_NAME) &&
+      !strEqual(level.author, ANONYMOUS_NAME) &&
+      !strEqual(level.author, leveldir_current->name) &&
       DelayReached(&label_delay, MICROLEVEL_LABEL_DELAY))
   {
     int max_label_counter = 23;
 
-    if (leveldir_current->imported_from != NULL)
+    if (leveldir_current->imported_from != NULL &&
+       strlen(leveldir_current->imported_from) > 0)
+      max_label_counter += 14;
+    if (leveldir_current->imported_by != NULL &&
+       strlen(leveldir_current->imported_by) > 0)
       max_label_counter += 14;
 
     label_counter = (label_counter + 1) % max_label_counter;
     label_state = (label_counter >= 0 && label_counter <= 7 ?
                   MICROLABEL_LEVEL_NAME :
                   label_counter >= 9 && label_counter <= 12 ?
-                  MICROLABEL_CREATED_BY :
+                  MICROLABEL_LEVEL_AUTHOR_HEAD :
                   label_counter >= 14 && label_counter <= 21 ?
                   MICROLABEL_LEVEL_AUTHOR :
                   label_counter >= 23 && label_counter <= 26 ?
-                  MICROLABEL_IMPORTED_FROM :
+                  MICROLABEL_IMPORTED_FROM_HEAD :
                   label_counter >= 28 && label_counter <= 35 ?
-                  MICROLABEL_LEVEL_IMPORT_INFO : MICROLABEL_EMPTY);
-    DrawMicroLevelLabelExt(label_state);
+                  MICROLABEL_IMPORTED_FROM :
+                  label_counter >= 37 && label_counter <= 40 ?
+                  MICROLABEL_IMPORTED_BY_HEAD :
+                  label_counter >= 42 && label_counter <= 49 ?
+                  MICROLABEL_IMPORTED_BY : MICROLABEL_EMPTY);
+
+    if (leveldir_current->imported_from == NULL &&
+       (label_state == MICROLABEL_IMPORTED_FROM_HEAD ||
+        label_state == MICROLABEL_IMPORTED_FROM))
+      label_state = (label_state == MICROLABEL_IMPORTED_FROM_HEAD ?
+                    MICROLABEL_IMPORTED_BY_HEAD : MICROLABEL_IMPORTED_BY);
+
+    DrawPreviewLevelLabelExt(label_state);
   }
 
   game_status = last_game_status;      /* restore current game status */
 }
 
-void WaitForEventToContinue()
+inline void DrawGraphicAnimationExt(DrawBuffer *dst_bitmap, int x, int y,
+                                   int graphic, int sync_frame, int mask_mode)
 {
-  boolean still_wait = TRUE;
-
-  /* simulate releasing mouse button over last gadget, if still pressed */
-  if (button_status)
-    HandleGadgets(-1, -1, 0);
-
-  button_status = MB_RELEASED;
+  int frame = getGraphicAnimationFrame(graphic, sync_frame);
 
-  while (still_wait)
-  {
-    if (PendingEvent())
-    {
-      Event event;
+  if (mask_mode == USE_MASKING)
+    DrawGraphicThruMaskExt(dst_bitmap, x, y, graphic, frame);
+  else
+    DrawGraphicExt(dst_bitmap, x, y, graphic, frame);
+}
 
-      NextEvent(&event);
+inline void DrawGraphicAnimation(int x, int y, int graphic)
+{
+  int lx = LEVELX(x), ly = LEVELY(y);
 
-      switch (event.type)
-      {
-       case EVENT_BUTTONPRESS:
-       case EVENT_KEYPRESS:
-         still_wait = FALSE;
-         break;
+  if (!IN_SCR_FIELD(x, y))
+    return;
 
-       case EVENT_KEYRELEASE:
-         ClearPlayerAction();
-         break;
+  DrawGraphicAnimationExt(drawto_field, FX + x * TILEX, FY + y * TILEY,
+                         graphic, GfxFrame[lx][ly], NO_MASKING);
+  MarkTileDirty(x, y);
+}
 
-       default:
-         HandleOtherEvents(&event);
-         break;
-      }
-    }
-    else if (AnyJoystickButton() == JOY_BUTTON_NEW_PRESSED)
-    {
-      still_wait = FALSE;
-    }
+void DrawLevelGraphicAnimation(int x, int y, int graphic)
+{
+  DrawGraphicAnimation(SCREENX(x), SCREENY(y), graphic);
+}
 
-    DoAnimation();
+void DrawLevelElementAnimation(int x, int y, int element)
+{
+  int graphic = el_act_dir2img(element, GfxAction[x][y], GfxDir[x][y]);
 
-    /* don't eat all CPU time */
-    Delay(10);
-  }
+  DrawGraphicAnimation(SCREENX(x), SCREENY(y), graphic);
 }
 
-#define MAX_REQUEST_LINES              13
-#define MAX_REQUEST_LINE_FONT1_LEN     7
-#define MAX_REQUEST_LINE_FONT2_LEN     10
-
-boolean Request(char *text, unsigned int req_state)
+inline void DrawLevelGraphicAnimationIfNeeded(int x, int y, int graphic)
 {
-  int mx, my, ty, result = -1;
-  unsigned int old_door_state;
-  int last_game_status = game_status;  /* save current game status */
-  int max_request_line_len = MAX_REQUEST_LINE_FONT1_LEN;
-  int font_nr = FONT_TEXT_2;
-  int max_word_len = 0;
-  char *text_ptr;
+  int sx = SCREENX(x), sy = SCREENY(y);
 
-  for (text_ptr = text; *text_ptr; text_ptr++)
-  {
-    max_word_len = (*text_ptr != ' ' ? max_word_len + 1 : 0);
+  if (!IN_LEV_FIELD(x, y) || !IN_SCR_FIELD(sx, sy))
+    return;
 
-    if (max_word_len > MAX_REQUEST_LINE_FONT1_LEN)
-    {
-      max_request_line_len = MAX_REQUEST_LINE_FONT2_LEN;
-      font_nr = FONT_LEVEL_NUMBER;
+  if (!IS_NEW_FRAME(GfxFrame[x][y], graphic))
+    return;
 
-      break;
-    }
-  }
+  DrawGraphicAnimation(sx, sy, graphic);
 
 #if 1
-  /* disable deactivated drawing when quick-loading level tape recording */
-  if (tape.playing && tape.deactivate_display)
-    TapeDeactivateDisplayOff(TRUE);
+  if (GFX_CRUMBLED(TILE_GFX_ELEMENT(x, y)))
+    DrawLevelFieldCrumbled(x, y);
+#else
+  if (GFX_CRUMBLED(Feld[x][y]))
+    DrawLevelFieldCrumbled(x, y);
 #endif
+}
 
-#if 1
-  SetMouseCursor(CURSOR_DEFAULT);
-#endif
+void DrawLevelElementAnimationIfNeeded(int x, int y, int element)
+{
+  int sx = SCREENX(x), sy = SCREENY(y);
+  int graphic;
 
-#if defined(NETWORK_AVALIABLE)
-  /* pause network game while waiting for request to answer */
-  if (options.network &&
-      game_status == GAME_MODE_PLAYING &&
-      req_state & REQUEST_WAIT_FOR_INPUT)
-    SendToServer_PausePlaying();
-#endif
+  if (!IN_LEV_FIELD(x, y) || !IN_SCR_FIELD(sx, sy))
+    return;
 
-  old_door_state = GetDoorState();
+  graphic = el_act_dir2img(element, GfxAction[x][y], GfxDir[x][y]);
 
-  /* simulate releasing mouse button over last gadget, if still pressed */
-  if (button_status)
-    HandleGadgets(-1, -1, 0);
+  if (!IS_NEW_FRAME(GfxFrame[x][y], graphic))
+    return;
 
-  UnmapAllGadgets();
+  DrawGraphicAnimation(sx, sy, graphic);
 
-  if (old_door_state & DOOR_OPEN_1)
-  {
-    CloseDoor(DOOR_CLOSE_1);
+  if (GFX_CRUMBLED(element))
+    DrawLevelFieldCrumbled(x, y);
+}
 
-    /* save old door content */
-    BlitBitmap(bitmap_db_door, bitmap_db_door,
-              DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE,
-              DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1);
-  }
+static int getPlayerGraphic(struct PlayerInfo *player, int move_dir)
+{
+  if (player->use_murphy)
+  {
+    /* this works only because currently only one player can be "murphy" ... */
+    static int last_horizontal_dir = MV_LEFT;
+    int graphic = el_act_dir2img(EL_SP_MURPHY, player->GfxAction, move_dir);
 
-  SetDrawBackgroundMask(REDRAW_FIELD | REDRAW_DOOR_1);
+    if (move_dir == MV_LEFT || move_dir == MV_RIGHT)
+      last_horizontal_dir = move_dir;
 
-  /* clear door drawing field */
-  DrawBackground(DX, DY, DXSIZE, DYSIZE);
+    if (graphic == IMG_SP_MURPHY)      /* undefined => use special graphic */
+    {
+      int direction = (player->is_snapping ? move_dir : last_horizontal_dir);
 
-  /* force DOOR font on preview level */
-  game_status = GAME_MODE_PSEUDO_DOOR;
+      graphic = el_act_dir2img(EL_SP_MURPHY, player->GfxAction, direction);
+    }
 
-  /* write text for request */
-  for (ty = 0; ty < MAX_REQUEST_LINES; ty++)
-  {
-    char text_line[max_request_line_len + 1];
-    int tx, tl, tc = 0;
+    return graphic;
+  }
+  else
+    return el_act_dir2img(player->artwork_element, player->GfxAction,move_dir);
+}
 
-    if (!*text)
-      break;
+static boolean equalGraphics(int graphic1, int graphic2)
+{
+  struct GraphicInfo *g1 = &graphic_info[graphic1];
+  struct GraphicInfo *g2 = &graphic_info[graphic2];
 
-    for (tl = 0, tx = 0; tx < max_request_line_len; tl++, tx++)
-    {
-      tc = *(text + tx);
-      if (!tc || tc == ' ')
-       break;
-    }
+  return (g1->bitmap      == g2->bitmap &&
+         g1->src_x       == g2->src_x &&
+         g1->src_y       == g2->src_y &&
+         g1->anim_frames == g2->anim_frames &&
+         g1->anim_delay  == g2->anim_delay &&
+         g1->anim_mode   == g2->anim_mode);
+}
 
-    if (!tl)
-    { 
-      text++; 
-      ty--; 
-      continue; 
-    }
+void DrawAllPlayers()
+{
+  int i;
 
-    strncpy(text_line, text, tl);
-    text_line[tl] = 0;
+  for (i = 0; i < MAX_PLAYERS; i++)
+    if (stored_player[i].active)
+      DrawPlayer(&stored_player[i]);
+}
 
-    DrawText(DX + (DXSIZE - tl * getFontWidth(font_nr)) / 2,
-            DY + 8 + ty * (getFontHeight(font_nr) + 2),
-            text_line, font_nr);
+void DrawPlayerField(int x, int y)
+{
+  if (!IS_PLAYER(x, y))
+    return;
 
-    text += tl + (tc == ' ' ? 1 : 0);
-  }
+  DrawPlayer(PLAYERINFO(x, y));
+}
 
-  game_status = last_game_status;      /* restore current game status */
+#define DRAW_PLAYER_OVER_PUSHED_ELEMENT        1
 
-  if (req_state & REQ_ASK)
-  {
-    MapGadget(tool_gadget[TOOL_CTRL_ID_YES]);
-    MapGadget(tool_gadget[TOOL_CTRL_ID_NO]);
-  }
-  else if (req_state & REQ_CONFIRM)
-  {
-    MapGadget(tool_gadget[TOOL_CTRL_ID_CONFIRM]);
-  }
-  else if (req_state & REQ_PLAYER)
-  {
-    MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_1]);
-    MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_2]);
-    MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_3]);
-    MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_4]);
-  }
+void DrawPlayer(struct PlayerInfo *player)
+{
+  int jx = player->jx;
+  int jy = player->jy;
+  int move_dir = player->MovDir;
+  int dx = (move_dir == MV_LEFT ? -1 : move_dir == MV_RIGHT ? +1 : 0);
+  int dy = (move_dir == MV_UP   ? -1 : move_dir == MV_DOWN  ? +1 : 0);
+  int last_jx = (player->is_moving ? jx - dx : jx);
+  int last_jy = (player->is_moving ? jy - dy : jy);
+  int next_jx = jx + dx;
+  int next_jy = jy + dy;
+  boolean player_is_moving = (player->MovPos ? TRUE : FALSE);
+  boolean player_is_opaque = FALSE;
+  int sx = SCREENX(jx), sy = SCREENY(jy);
+  int sxx = 0, syy = 0;
+  int element = Feld[jx][jy], last_element = Feld[last_jx][last_jy];
+  int graphic;
+  int action = ACTION_DEFAULT;
+  int last_player_graphic = getPlayerGraphic(player, move_dir);
+  int last_player_frame = player->Frame;
+  int frame = 0;
 
-  /* copy request gadgets to door backbuffer */
-  BlitBitmap(drawto, bitmap_db_door,
-            DX, DY, DXSIZE, DYSIZE,
-            DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
+  /* GfxElement[][] is set to the element the player is digging or collecting;
+     remove also for off-screen player if the player is not moving anymore */
+  if (IN_LEV_FIELD(jx, jy) && !player_is_moving)
+    GfxElement[jx][jy] = EL_UNDEFINED;
 
-  OpenDoor(DOOR_OPEN_1);
+  if (!player->active || !IN_SCR_FIELD(SCREENX(last_jx), SCREENY(last_jy)))
+    return;
 
-#if 0
-  ClearEventQueue();
+#if DEBUG
+  if (!IN_LEV_FIELD(jx, jy))
+  {
+    printf("DrawPlayerField(): x = %d, y = %d\n",jx,jy);
+    printf("DrawPlayerField(): sx = %d, sy = %d\n",sx,sy);
+    printf("DrawPlayerField(): This should never happen!\n");
+    return;
+  }
 #endif
 
-  if (!(req_state & REQUEST_WAIT_FOR_INPUT))
-  {
-    SetDrawBackgroundMask(REDRAW_FIELD);
+  if (element == EL_EXPLOSION)
+    return;
 
-    return FALSE;
-  }
+  action = (player->is_pushing    ? ACTION_PUSHING         :
+           player->is_digging    ? ACTION_DIGGING         :
+           player->is_collecting ? ACTION_COLLECTING      :
+           player->is_moving     ? ACTION_MOVING          :
+           player->is_snapping   ? ACTION_SNAPPING        :
+           player->is_dropping   ? ACTION_DROPPING        :
+           player->is_waiting    ? player->action_waiting : ACTION_DEFAULT);
 
-  if (game_status != GAME_MODE_MAIN)
-    InitAnimation();
+  if (player->is_waiting)
+    move_dir = player->dir_waiting;
 
-  button_status = MB_RELEASED;
+  InitPlayerGfxAnimation(player, action, move_dir);
 
-  request_gadget_id = -1;
+  /* ----------------------------------------------------------------------- */
+  /* draw things in the field the player is leaving, if needed               */
+  /* ----------------------------------------------------------------------- */
 
-  SetDrawBackgroundMask(REDRAW_FIELD | REDRAW_DOOR_1);
+  if (player->is_moving)
+  {
+    if (Back[last_jx][last_jy] && IS_DRAWABLE(last_element))
+    {
+      DrawLevelElement(last_jx, last_jy, Back[last_jx][last_jy]);
 
+      if (last_element == EL_DYNAMITE_ACTIVE ||
+         last_element == EL_EM_DYNAMITE_ACTIVE ||
+         last_element == EL_SP_DISK_RED_ACTIVE)
+       DrawDynamite(last_jx, last_jy);
+      else
+       DrawLevelFieldThruMask(last_jx, last_jy);
+    }
+    else if (last_element == EL_DYNAMITE_ACTIVE ||
+            last_element == EL_EM_DYNAMITE_ACTIVE ||
+            last_element == EL_SP_DISK_RED_ACTIVE)
+      DrawDynamite(last_jx, last_jy);
 #if 0
-  SetMouseCursor(CURSOR_DEFAULT);
+    /* !!! this is not enough to prevent flickering of players which are
+       moving next to each others without a free tile between them -- this
+       can only be solved by drawing all players layer by layer (first the
+       background, then the foreground etc.) !!! => TODO */
+    else if (!IS_PLAYER(last_jx, last_jy))
+      DrawLevelField(last_jx, last_jy);
+#else
+    else
+      DrawLevelField(last_jx, last_jy);
 #endif
 
-  while (result < 0)
+    if (player->is_pushing && IN_SCR_FIELD(SCREENX(next_jx), SCREENY(next_jy)))
+      DrawLevelElement(next_jx, next_jy, EL_EMPTY);
+  }
+
+  if (!IN_SCR_FIELD(sx, sy))
+    return;
+
+  /* ----------------------------------------------------------------------- */
+  /* draw things behind the player, if needed                                */
+  /* ----------------------------------------------------------------------- */
+
+  if (Back[jx][jy])
+    DrawLevelElement(jx, jy, Back[jx][jy]);
+  else if (IS_ACTIVE_BOMB(element))
+    DrawLevelElement(jx, jy, EL_EMPTY);
+  else
   {
-    if (PendingEvent())
+    if (player_is_moving && GfxElement[jx][jy] != EL_UNDEFINED)
     {
-      Event event;
+      int old_element = GfxElement[jx][jy];
+      int old_graphic = el_act_dir2img(old_element, action, move_dir);
+      int frame = getGraphicAnimationFrame(old_graphic, player->StepFrame);
 
-      NextEvent(&event);
+      if (GFX_CRUMBLED(old_element))
+       DrawLevelFieldCrumbledDigging(jx, jy, move_dir, player->StepFrame);
+      else
+       DrawGraphic(sx, sy, old_graphic, frame);
 
-      switch(event.type)
-      {
-       case EVENT_BUTTONPRESS:
-       case EVENT_BUTTONRELEASE:
-       case EVENT_MOTIONNOTIFY:
-       {
-         if (event.type == EVENT_MOTIONNOTIFY)
-         {
-           if (!PointerInWindow(window))
-             continue; /* window and pointer are on different screens */
+      if (graphic_info[old_graphic].anim_mode & ANIM_OPAQUE_PLAYER)
+       player_is_opaque = TRUE;
+    }
+    else
+    {
+      GfxElement[jx][jy] = EL_UNDEFINED;
 
-           if (!button_status)
-             continue;
+      /* make sure that pushed elements are drawn with correct frame rate */
+#if 1
+      graphic = el_act_dir2img(element, ACTION_PUSHING, move_dir);
 
-           motion_status = TRUE;
-           mx = ((MotionEvent *) &event)->x;
-           my = ((MotionEvent *) &event)->y;
-         }
-         else
-         {
-           motion_status = FALSE;
-           mx = ((ButtonEvent *) &event)->x;
-           my = ((ButtonEvent *) &event)->y;
-           if (event.type == EVENT_BUTTONPRESS)
-             button_status = ((ButtonEvent *) &event)->button;
-           else
-             button_status = MB_RELEASED;
-         }
+      if (player->is_pushing && player->is_moving && !IS_ANIM_MODE_CE(graphic))
+       GfxFrame[jx][jy] = player->StepFrame;
+#else
+      if (player->is_pushing && player->is_moving)
+       GfxFrame[jx][jy] = player->StepFrame;
+#endif
 
-         /* this sets 'request_gadget_id' */
-         HandleGadgets(mx, my, button_status);
+      DrawLevelField(jx, jy);
+    }
+  }
 
-         switch(request_gadget_id)
-         {
-           case TOOL_CTRL_ID_YES:
-             result = TRUE;
-             break;
-           case TOOL_CTRL_ID_NO:
-             result = FALSE;
-             break;
-           case TOOL_CTRL_ID_CONFIRM:
-             result = TRUE | FALSE;
-             break;
-
-           case TOOL_CTRL_ID_PLAYER_1:
-             result = 1;
-             break;
-           case TOOL_CTRL_ID_PLAYER_2:
-             result = 2;
-             break;
-           case TOOL_CTRL_ID_PLAYER_3:
-             result = 3;
-             break;
-           case TOOL_CTRL_ID_PLAYER_4:
-             result = 4;
-             break;
-
-           default:
-             break;
-         }
+#if !DRAW_PLAYER_OVER_PUSHED_ELEMENT
+  /* ----------------------------------------------------------------------- */
+  /* draw player himself                                                     */
+  /* ----------------------------------------------------------------------- */
 
-         break;
-       }
+  graphic = getPlayerGraphic(player, move_dir);
 
-       case EVENT_KEYPRESS:
-         switch(GetEventKey((KeyEvent *)&event, TRUE))
-         {
-           case KSYM_Return:
-             result = 1;
-             break;
+  /* in the case of changed player action or direction, prevent the current
+     animation frame from being restarted for identical animations */
+  if (player->Frame == 0 && equalGraphics(graphic, last_player_graphic))
+    player->Frame = last_player_frame;
 
-           case KSYM_Escape:
-             result = 0;
-             break;
+  frame = getGraphicAnimationFrame(graphic, player->Frame);
 
-           default:
-             break;
-         }
-         if (req_state & REQ_PLAYER)
-           result = 0;
-         break;
+  if (player->GfxPos)
+  {
+    if (move_dir == MV_LEFT || move_dir == MV_RIGHT)
+      sxx = player->GfxPos;
+    else
+      syy = player->GfxPos;
+  }
 
-       case EVENT_KEYRELEASE:
-         ClearPlayerAction();
-         break;
+  if (!setup.soft_scrolling && ScreenMovPos)
+    sxx = syy = 0;
 
-       default:
-         HandleOtherEvents(&event);
-         break;
-      }
-    }
-    else if (AnyJoystickButton() == JOY_BUTTON_NEW_PRESSED)
-    {
-      int joy = AnyJoystick();
+  if (player_is_opaque)
+    DrawGraphicShifted(sx, sy, sxx, syy, graphic, frame,NO_CUTTING,NO_MASKING);
+  else
+    DrawGraphicShiftedThruMask(sx, sy, sxx, syy, graphic, frame, NO_CUTTING);
 
-      if (joy & JOY_BUTTON_1)
-       result = 1;
-      else if (joy & JOY_BUTTON_2)
-       result = 0;
-    }
+  if (SHIELD_ON(player))
+  {
+    int graphic = (player->shield_deadly_time_left ? IMG_SHIELD_DEADLY_ACTIVE :
+                  IMG_SHIELD_NORMAL_ACTIVE);
+    int frame = getGraphicAnimationFrame(graphic, -1);
 
-    DoAnimation();
+    DrawGraphicShiftedThruMask(sx, sy, sxx, syy, graphic, frame, NO_CUTTING);
+  }
+#endif
 
-    /* don't eat all CPU time */
-    Delay(10);
+#if DRAW_PLAYER_OVER_PUSHED_ELEMENT
+  if (player->GfxPos)
+  {
+    if (move_dir == MV_LEFT || move_dir == MV_RIGHT)
+      sxx = player->GfxPos;
+    else
+      syy = player->GfxPos;
   }
+#endif
 
-  if (game_status != GAME_MODE_MAIN)
-    StopAnimation();
+  /* ----------------------------------------------------------------------- */
+  /* draw things the player is pushing, if needed                            */
+  /* ----------------------------------------------------------------------- */
 
-  UnmapToolButtons();
+#if 0
+  printf("::: %d, %d [%d, %d] [%d]\n",
+        player->is_pushing, player_is_moving, player->GfxAction,
+        player->is_moving, player_is_moving);
+#endif
 
-  if (!(req_state & REQ_STAY_OPEN))
+#if 1
+  if (player->is_pushing && player->is_moving)
   {
-    CloseDoor(DOOR_CLOSE_1);
+    int px = SCREENX(jx), py = SCREENY(jy);
+    int pxx = (TILEX - ABS(sxx)) * dx;
+    int pyy = (TILEY - ABS(syy)) * dy;
+    int gfx_frame = GfxFrame[jx][jy];
 
-    if (((old_door_state & DOOR_OPEN_1) && !(req_state & REQ_STAY_CLOSED)) ||
-       (req_state & REQ_REOPEN))
-      OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
-  }
+    int graphic;
+    int sync_frame;
+    int frame;
 
-  RemapAllGadgets();
+    if (!IS_MOVING(jx, jy))            /* push movement already finished */
+    {
+      element = Feld[next_jx][next_jy];
+      gfx_frame = GfxFrame[next_jx][next_jy];
+    }
 
-  SetDrawBackgroundMask(REDRAW_FIELD);
+    graphic = el_act_dir2img(element, ACTION_PUSHING, move_dir);
 
-#if defined(NETWORK_AVALIABLE)
-  /* continue network game after request */
-  if (options.network &&
-      game_status == GAME_MODE_PLAYING &&
-      req_state & REQUEST_WAIT_FOR_INPUT)
-    SendToServer_ContinuePlaying();
+#if 1
+    sync_frame = (IS_ANIM_MODE_CE(graphic) ? gfx_frame : player->StepFrame);
+    frame = getGraphicAnimationFrame(graphic, sync_frame);
+#else
+    frame = getGraphicAnimationFrame(graphic, player->StepFrame);
 #endif
 
+    /* draw background element under pushed element (like the Sokoban field) */
 #if 1
-  /* restore deactivated drawing when quick-loading level tape recording */
-  if (tape.playing && tape.deactivate_display)
-    TapeDeactivateDisplayOn();
-#endif
+    if (game.use_masked_pushing && IS_MOVING(jx, jy))
+    {
+      /* this allows transparent pushing animation over non-black background */
 
-  return result;
-}
+      if (Back[jx][jy])
+       DrawLevelElement(jx, jy, Back[jx][jy]);
+      else
+       DrawLevelElement(jx, jy, EL_EMPTY);
 
-unsigned int OpenDoor(unsigned int door_state)
-{
-  if (door_state & DOOR_COPY_BACK)
-  {
-    if (door_state & DOOR_OPEN_1)
-      BlitBitmap(bitmap_db_door, bitmap_db_door,
-                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE,
-                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
+      if (Back[next_jx][next_jy])
+       DrawLevelElement(next_jx, next_jy, Back[next_jx][next_jy]);
+      else
+       DrawLevelElement(next_jx, next_jy, EL_EMPTY);
+    }
+    else if (Back[next_jx][next_jy])
+      DrawLevelElement(next_jx, next_jy, Back[next_jx][next_jy]);
+#else
+    if (Back[next_jx][next_jy])
+      DrawLevelElement(next_jx, next_jy, Back[next_jx][next_jy]);
+#endif
 
-    if (door_state & DOOR_OPEN_2)
-      BlitBitmap(bitmap_db_door, bitmap_db_door,
-                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY2, VXSIZE, VYSIZE,
-                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY2);
+#if 0
+    printf("::: %d, %d, %d, %d [%d] [%d, %d, %d] [%d] [%d, %d] [%d, %d]\n",
+          jx, px, player->GfxPos, player->StepFrame,
+          player->is_pushing,
+          dx, sxx, pxx,
+          IS_MOVING(jx, jy),
+          graphic, frame,
+          GfxFrame[jx][jy], GfxFrame[next_jx][next_jy]);
+#endif
 
-    door_state &= ~DOOR_COPY_BACK;
+#if 1
+    /* do not draw (EM style) pushing animation when pushing is finished */
+    /* (two-tile animations usually do not contain start and end frame) */
+    if (graphic_info[graphic].double_movement && !IS_MOVING(jx, jy))
+      DrawLevelElement(next_jx, next_jy, Feld[next_jx][next_jy]);
+    else
+      DrawGraphicShiftedThruMask(px, py, pxx, pyy, graphic, frame, NO_CUTTING);
+#else
+    /* masked drawing is needed for EMC style (double) movement graphics */
+    /* !!! (ONLY WHEN DRAWING PUSHED ELEMENT OVER THE PLAYER) !!! */
+    DrawGraphicShiftedThruMask(px, py, pxx, pyy, graphic, frame, NO_CUTTING);
+#endif
   }
+#endif
 
-  return MoveDoor(door_state);
-}
+#if DRAW_PLAYER_OVER_PUSHED_ELEMENT
+  /* ----------------------------------------------------------------------- */
+  /* draw player himself                                                     */
+  /* ----------------------------------------------------------------------- */
 
-unsigned int CloseDoor(unsigned int door_state)
-{
-  unsigned int old_door_state = GetDoorState();
+  graphic = getPlayerGraphic(player, move_dir);
 
-  if (!(door_state & DOOR_NO_COPY_BACK))
-  {
-    if (old_door_state & DOOR_OPEN_1)
-      BlitBitmap(backbuffer, bitmap_db_door,
-                DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
+  /* in the case of changed player action or direction, prevent the current
+     animation frame from being restarted for identical animations */
+  if (player->Frame == 0 && equalGraphics(graphic, last_player_graphic))
+    player->Frame = last_player_frame;
 
-    if (old_door_state & DOOR_OPEN_2)
-      BlitBitmap(backbuffer, bitmap_db_door,
-                VX, VY, VXSIZE, VYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY2);
+  frame = getGraphicAnimationFrame(graphic, player->Frame);
 
-    door_state &= ~DOOR_NO_COPY_BACK;
+  if (player->GfxPos)
+  {
+    if (move_dir == MV_LEFT || move_dir == MV_RIGHT)
+      sxx = player->GfxPos;
+    else
+      syy = player->GfxPos;
   }
 
-  return MoveDoor(door_state);
-}
-
-unsigned int GetDoorState()
-{
-  return MoveDoor(DOOR_GET_STATE);
-}
-
-unsigned int SetDoorState(unsigned int door_state)
-{
-  return MoveDoor(door_state | DOOR_SET_STATE);
-}
-
-unsigned int MoveDoor(unsigned int door_state)
-{
-  static int door1 = DOOR_OPEN_1;
-  static int door2 = DOOR_CLOSE_2;
-  unsigned long door_delay = 0;
-  unsigned long door_delay_value;
-  int stepsize = 1;
+  if (!setup.soft_scrolling && ScreenMovPos)
+    sxx = syy = 0;
 
-  if (door_state == DOOR_GET_STATE)
-    return(door1 | door2);
+  if (player_is_opaque)
+    DrawGraphicShifted(sx, sy, sxx, syy, graphic, frame,NO_CUTTING,NO_MASKING);
+  else
+    DrawGraphicShiftedThruMask(sx, sy, sxx, syy, graphic, frame, NO_CUTTING);
 
-  if (door_state & DOOR_SET_STATE)
+  if (SHIELD_ON(player))
   {
-    if (door_state & DOOR_ACTION_1)
-      door1 = door_state & DOOR_ACTION_1;
-    if (door_state & DOOR_ACTION_2)
-      door2 = door_state & DOOR_ACTION_2;
+    int graphic = (player->shield_deadly_time_left ? IMG_SHIELD_DEADLY_ACTIVE :
+                  IMG_SHIELD_NORMAL_ACTIVE);
+    int frame = getGraphicAnimationFrame(graphic, -1);
 
-    return(door1 | door2);
+    DrawGraphicShiftedThruMask(sx, sy, sxx, syy, graphic, frame, NO_CUTTING);
   }
+#endif
 
-  if (door1 == DOOR_OPEN_1 && door_state & DOOR_OPEN_1)
-    door_state &= ~DOOR_OPEN_1;
-  else if (door1 == DOOR_CLOSE_1 && door_state & DOOR_CLOSE_1)
-    door_state &= ~DOOR_CLOSE_1;
-  if (door2 == DOOR_OPEN_2 && door_state & DOOR_OPEN_2)
-    door_state &= ~DOOR_OPEN_2;
-  else if (door2 == DOOR_CLOSE_2 && door_state & DOOR_CLOSE_2)
-    door_state &= ~DOOR_CLOSE_2;
-
-  door_delay_value = (door_state & DOOR_ACTION_1 ? door_1.step_delay :
-                     door_2.step_delay);
+  /* ----------------------------------------------------------------------- */
+  /* draw things in front of player (active dynamite or dynabombs)           */
+  /* ----------------------------------------------------------------------- */
 
-  if (setup.quick_doors)
+  if (IS_ACTIVE_BOMB(element))
   {
-    stepsize = 20;             /* must be choosen to always draw last frame */
-    door_delay_value = 0;
+    graphic = el2img(element);
+    frame = getGraphicAnimationFrame(graphic, GfxFrame[jx][jy]);
 
-#if 0
-    StopSound(SND_DOOR_OPENING);
-    StopSound(SND_DOOR_CLOSING);
-#endif
+    if (game.emulation == EMU_SUPAPLEX)
+      DrawGraphic(sx, sy, IMG_SP_DISK_RED, frame);
+    else
+      DrawGraphicThruMask(sx, sy, graphic, frame);
   }
 
-  if (global.autoplay_leveldir)
+  if (player_is_moving && last_element == EL_EXPLOSION)
   {
-    door_state |= DOOR_NO_DELAY;
-    door_state &= ~DOOR_CLOSE_ALL;
-  }
+    int element = (GfxElement[last_jx][last_jy] != EL_UNDEFINED ?
+                  GfxElement[last_jx][last_jy] :  EL_EMPTY);
+    int graphic = el_act2img(element, ACTION_EXPLODING);
+    int delay = (game.emulation == EMU_SUPAPLEX ? 3 : 2);
+    int phase = ExplodePhase[last_jx][last_jy] - 1;
+    int frame = getGraphicAnimationFrame(graphic, phase - delay);
 
-  if (door_state & DOOR_ACTION)
-  {
-    boolean door_1_done = !(door_state & DOOR_ACTION_1);
-    boolean door_2_done = !(door_state & DOOR_ACTION_2);
-    int start = ((door_state & DOOR_NO_DELAY) ? DXSIZE : 0);
-    int end = (door_state & DOOR_ACTION_1 &&
-              door_1.anim_mode == ANIM_VERTICAL ? DYSIZE : DXSIZE);
-    int x;
+    if (phase >= delay)
+      DrawGraphicThruMask(SCREENX(last_jx), SCREENY(last_jy), graphic, frame);
+  }
 
-    if (!(door_state & DOOR_NO_DELAY) && !setup.quick_doors)
-    {
-      /* opening door sound has priority over simultaneously closing door */
-      if (door_state & (DOOR_OPEN_1 | DOOR_OPEN_2))
-       PlaySoundStereo(SND_DOOR_OPENING, SOUND_MIDDLE);
-      else if (door_state & (DOOR_CLOSE_1 | DOOR_CLOSE_2))
-       PlaySoundStereo(SND_DOOR_CLOSING, SOUND_MIDDLE);
-    }
-
-    for (x = start; x <= end && !(door_1_done && door_2_done); x += stepsize)
-    {
-      Bitmap *bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
-      GC gc = bitmap->stored_clip_gc;
-
-      if (door_state & DOOR_ACTION_1)
-      {
-       int a = MIN(x * door_1.step_offset, end);
-       int i = (door_state & DOOR_OPEN_1 ? end - a : a);
+  /* ----------------------------------------------------------------------- */
+  /* draw elements the player is just walking/passing through/under          */
+  /* ----------------------------------------------------------------------- */
 
-       if (x <= a)
-       {
-         BlitBitmap(bitmap_db_door, drawto,
-                    DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1 + i / 2,
-                    DXSIZE, DYSIZE - i / 2, DX, DY);
+  if (player_is_moving)
+  {
+    /* handle the field the player is leaving ... */
+    if (IS_ACCESSIBLE_INSIDE(last_element))
+      DrawLevelField(last_jx, last_jy);
+    else if (IS_ACCESSIBLE_UNDER(last_element))
+      DrawLevelFieldThruMask(last_jx, last_jy);
+  }
 
-         ClearRectangle(drawto, DX, DY + DYSIZE - i / 2, DXSIZE, i / 2);
-       }
+  /* do not redraw accessible elements if the player is just pushing them */
+  if (!player_is_moving || !player->is_pushing)
+  {
+    /* ... and the field the player is entering */
+    if (IS_ACCESSIBLE_INSIDE(element))
+      DrawLevelField(jx, jy);
+    else if (IS_ACCESSIBLE_UNDER(element))
+      DrawLevelFieldThruMask(jx, jy);
+  }
 
-       if (door_1.anim_mode == ANIM_HORIZONTAL && x <= DXSIZE)
-       {
-         int src1_x = DXSIZE,          src1_y = DOOR_GFX_PAGEY1;
-         int dst1_x = DX + DXSIZE - i, dst1_y = DY;
-         int src2_x = DXSIZE - i,      src2_y = DOOR_GFX_PAGEY1;
-         int dst2_x = DX,              dst2_y = DY;
-         int width = i, height = DYSIZE;
+  MarkTileDirty(sx, sy);
+}
 
-         SetClipOrigin(bitmap, gc, dst1_x - src1_x, dst1_y - src1_y);
-         BlitBitmapMasked(bitmap, drawto, src1_x, src1_y, width, height,
-                          dst1_x, dst1_y);
+/* ------------------------------------------------------------------------- */
 
-         SetClipOrigin(bitmap, gc, dst2_x - src2_x, dst2_y - src2_y);
-         BlitBitmapMasked(bitmap, drawto, src2_x, src2_y, width, height,
-                          dst2_x, dst2_y);
-       }
-       else if (door_1.anim_mode == ANIM_VERTICAL && x <= DYSIZE)
-       {
-         int src1_x = DXSIZE,          src1_y = DOOR_GFX_PAGEY1;
-         int dst1_x = DX,              dst1_y = DY + DYSIZE - i;
-         int src2_x = 0,               src2_y = DOOR_GFX_PAGEY1 + DYSIZE - i;
-         int dst2_x = DX,              dst2_y = DY;
-         int width = DXSIZE, height = i;
+void WaitForEventToContinue()
+{
+  boolean still_wait = TRUE;
 
-         SetClipOrigin(bitmap, gc, dst1_x - src1_x, dst1_y - src1_y);
-         BlitBitmapMasked(bitmap, drawto, src1_x, src1_y, width, height,
-                          dst1_x, dst1_y);
+  /* simulate releasing mouse button over last gadget, if still pressed */
+  if (button_status)
+    HandleGadgets(-1, -1, 0);
 
-         SetClipOrigin(bitmap, gc, dst2_x - src2_x, dst2_y - src2_y);
-         BlitBitmapMasked(bitmap, drawto, src2_x, src2_y, width, height,
-                          dst2_x, dst2_y);
-       }
-       else if (x <= DXSIZE)   /* ANIM_DEFAULT */
-       {
-         int j = (door_1.anim_mode == ANIM_DEFAULT ? (DXSIZE - i) / 3 : 0);
+  button_status = MB_RELEASED;
 
-         SetClipOrigin(bitmap, gc, DX - i, (DY + j) - DOOR_GFX_PAGEY1);
-         BlitBitmapMasked(bitmap, drawto,
-                          DXSIZE, DOOR_GFX_PAGEY1, i, 77,
-                          DX + DXSIZE - i, DY + j);
-         BlitBitmapMasked(bitmap, drawto,
-                          DXSIZE, DOOR_GFX_PAGEY1 + 140, i, 63,
-                          DX + DXSIZE - i, DY + 140 + j);
-         SetClipOrigin(bitmap, gc, DX - DXSIZE + i,
-                       DY - (DOOR_GFX_PAGEY1 + j));
-         BlitBitmapMasked(bitmap, drawto,
-                          DXSIZE - i, DOOR_GFX_PAGEY1 + j, i, 77 - j,
-                          DX, DY);
-         BlitBitmapMasked(bitmap, drawto,
-                          DXSIZE-i, DOOR_GFX_PAGEY1 + 140, i, 63,
-                          DX, DY + 140 - j);
+#if 1
+  ClearEventQueue();
+#endif
 
-         BlitBitmapMasked(bitmap, drawto,
-                          DXSIZE - i, DOOR_GFX_PAGEY1 + 77, i, 63,
-                          DX, DY + 77 - j);
-         BlitBitmapMasked(bitmap, drawto,
-                          DXSIZE - i, DOOR_GFX_PAGEY1 + 203, i, 77,
-                          DX, DY + 203 - j);
-         SetClipOrigin(bitmap, gc, DX - i, (DY + j) - DOOR_GFX_PAGEY1);
-         BlitBitmapMasked(bitmap, drawto,
-                          DXSIZE, DOOR_GFX_PAGEY1 + 77, i, 63,
-                          DX + DXSIZE - i, DY + 77 + j);
-         BlitBitmapMasked(bitmap, drawto,
-                          DXSIZE, DOOR_GFX_PAGEY1 + 203, i, 77 - j,
-                          DX + DXSIZE - i, DY + 203 + j);
-       }
+  while (still_wait)
+  {
+    if (PendingEvent())
+    {
+      Event event;
 
-       redraw_mask |= REDRAW_DOOR_1;
-       door_1_done = (a == end);
-      }
+      NextEvent(&event);
 
-      if (door_state & DOOR_ACTION_2)
+      switch (event.type)
       {
-       int a = MIN(x * door_2.step_offset, VXSIZE);
-       int i = (door_state & DOOR_OPEN_2 ? VXSIZE - a : a);
-
-       if (x <= VYSIZE)
-       {
-         BlitBitmap(bitmap_db_door, drawto,
-                    DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY2 + i / 2,
-                    VXSIZE, VYSIZE - i / 2, VX, VY);
-
-         ClearRectangle(drawto, VX, VY + VYSIZE - i / 2, VXSIZE, i / 2);
-       }
-
-       if (door_2.anim_mode == ANIM_HORIZONTAL && x <= VXSIZE)
-       {
-         int src1_x = VXSIZE,          src1_y = DOOR_GFX_PAGEY2;
-         int dst1_x = VX + VXSIZE - i, dst1_y = VY;
-         int src2_x = VXSIZE - i,      src2_y = DOOR_GFX_PAGEY2;
-         int dst2_x = VX,              dst2_y = VY;
-         int width = i, height = VYSIZE;
-
-         SetClipOrigin(bitmap, gc, dst1_x - src1_x, dst1_y - src1_y);
-         BlitBitmapMasked(bitmap, drawto, src1_x, src1_y, width, height,
-                          dst1_x, dst1_y);
+       case EVENT_BUTTONPRESS:
+       case EVENT_KEYPRESS:
+         still_wait = FALSE;
+         break;
 
-         SetClipOrigin(bitmap, gc, dst2_x - src2_x, dst2_y - src2_y);
-         BlitBitmapMasked(bitmap, drawto, src2_x, src2_y, width, height,
-                          dst2_x, dst2_y);
-       }
-       else if (door_2.anim_mode == ANIM_VERTICAL && x <= VYSIZE)
-       {
-         int src1_x = VXSIZE,          src1_y = DOOR_GFX_PAGEY2;
-         int dst1_x = VX,              dst1_y = VY + VYSIZE - i;
-         int src2_x = 0,               src2_y = DOOR_GFX_PAGEY2 + VYSIZE - i;
-         int dst2_x = VX,              dst2_y = VY;
-         int width = VXSIZE, height = i;
+       case EVENT_KEYRELEASE:
+         ClearPlayerAction();
+         break;
 
-         SetClipOrigin(bitmap, gc, dst1_x - src1_x, dst1_y - src1_y);
-         BlitBitmapMasked(bitmap, drawto, src1_x, src1_y, width, height,
-                          dst1_x, dst1_y);
+       default:
+         HandleOtherEvents(&event);
+         break;
+      }
+    }
+    else if (AnyJoystickButton() == JOY_BUTTON_NEW_PRESSED)
+    {
+      still_wait = FALSE;
+    }
 
-         SetClipOrigin(bitmap, gc, dst2_x - src2_x, dst2_y - src2_y);
-         BlitBitmapMasked(bitmap, drawto, src2_x, src2_y, width, height,
-                          dst2_x, dst2_y);
-       }
-       else if (x <= VXSIZE)   /* ANIM_DEFAULT */
-       {
-         int j = (door_2.anim_mode == ANIM_DEFAULT ? (VXSIZE - i) / 3 : 0);
+    DoAnimation();
 
-         SetClipOrigin(bitmap, gc, VX - i, (VY + j) - DOOR_GFX_PAGEY2);
-         BlitBitmapMasked(bitmap, drawto,
-                          VXSIZE, DOOR_GFX_PAGEY2, i, VYSIZE / 2,
-                          VX + VXSIZE - i, VY + j);
-         SetClipOrigin(bitmap, gc,
-                       VX - VXSIZE + i, VY - (DOOR_GFX_PAGEY2 + j));
-         BlitBitmapMasked(bitmap, drawto,
-                          VXSIZE - i, DOOR_GFX_PAGEY2 + j, i, VYSIZE / 2 - j,
-                          VX, VY);
+    /* don't eat all CPU time */
+    Delay(10);
+  }
+}
 
-         BlitBitmapMasked(bitmap, drawto,
-                          VXSIZE - i, DOOR_GFX_PAGEY2 + VYSIZE / 2,
-                          i, VYSIZE / 2, VX, VY + VYSIZE / 2 - j);
-         SetClipOrigin(bitmap, gc, VX - i, (VY + j) - DOOR_GFX_PAGEY2);
-         BlitBitmapMasked(bitmap, drawto,
-                          VXSIZE, DOOR_GFX_PAGEY2 + VYSIZE / 2,
-                          i, VYSIZE / 2 - j,
-                          VX + VXSIZE - i, VY + VYSIZE / 2 + j);
-       }
+#define MAX_REQUEST_LINES              13
+#define MAX_REQUEST_LINE_FONT1_LEN     7
+#define MAX_REQUEST_LINE_FONT2_LEN     10
 
-       redraw_mask |= REDRAW_DOOR_2;
-       door_2_done = (a == VXSIZE);
-      }
+boolean Request(char *text, unsigned int req_state)
+{
+  int mx, my, ty, result = -1;
+  unsigned int old_door_state;
+  int last_game_status = game_status;  /* save current game status */
+  int max_request_line_len = MAX_REQUEST_LINE_FONT1_LEN;
+  int font_nr = FONT_TEXT_2;
+  boolean use_envelope_request = TRUE  * 0;
+#if 0
+  int max_word_len = 0;
+#endif
+  char *text_ptr;
+  int i;
 
-      BackToFront();
+#if 1
+  if (maxWordLengthInString(text) > MAX_REQUEST_LINE_FONT1_LEN)
+  {
+    max_request_line_len = MAX_REQUEST_LINE_FONT2_LEN;
+    font_nr = FONT_TEXT_1;
+  }
+#else
+  for (text_ptr = text; *text_ptr; text_ptr++)
+  {
+    max_word_len = (*text_ptr != ' ' ? max_word_len + 1 : 0);
 
-      if (game_status == GAME_MODE_MAIN)
-       DoAnimation();
+    if (max_word_len > MAX_REQUEST_LINE_FONT1_LEN)
+    {
+      max_request_line_len = MAX_REQUEST_LINE_FONT2_LEN;
+#if 1
+      font_nr = FONT_TEXT_1;
+#else
+      font_nr = FONT_LEVEL_NUMBER;
+#endif
 
-      if (!(door_state & DOOR_NO_DELAY))
-       WaitUntilDelayReached(&door_delay, door_delay_value);
+      break;
     }
   }
+#endif
 
-#if 0
-  if (setup.quick_doors)
+  if (game_status == GAME_MODE_PLAYING)
   {
-    StopSound(SND_DOOR_OPENING);
-    StopSound(SND_DOOR_CLOSING);
+    if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
+      BlitScreenToBitmap_EM(backbuffer);
+    else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
+      BlitScreenToBitmap_SP(backbuffer);
   }
-#endif
 
-  if (door_state & DOOR_ACTION_1)
-    door1 = door_state & DOOR_ACTION_1;
-  if (door_state & DOOR_ACTION_2)
-    door2 = door_state & DOOR_ACTION_2;
+  /* disable deactivated drawing when quick-loading level tape recording */
+  if (tape.playing && tape.deactivate_display)
+    TapeDeactivateDisplayOff(TRUE);
 
-  return (door1 | door2);
-}
+  SetMouseCursor(CURSOR_DEFAULT);
 
-void DrawSpecialEditorDoor()
-{
-  /* draw bigger toolbox window */
-  BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
-            DOOR_GFX_PAGEX7, 0, EXSIZE + 8, 8,
-            EX - 4, EY - 12);
-  BlitBitmap(graphic_info[IMG_GLOBAL_BORDER].bitmap, drawto,
-            EX - 4, VY - 4, EXSIZE + 8, EYSIZE - VYSIZE + 4,
-            EX - 4, EY - 4);
+#if defined(NETWORK_AVALIABLE)
+  /* pause network game while waiting for request to answer */
+  if (options.network &&
+      game_status == GAME_MODE_PLAYING &&
+      req_state & REQUEST_WAIT_FOR_INPUT)
+    SendToServer_PausePlaying();
+#endif
 
-  redraw_mask |= REDRAW_ALL;
-}
+  old_door_state = GetDoorState();
 
-void UndrawSpecialEditorDoor()
-{
-  /* draw normal tape recorder window */
-  BlitBitmap(graphic_info[IMG_GLOBAL_BORDER].bitmap, drawto,
-            EX - 4, EY - 12, EXSIZE + 8, EYSIZE - VYSIZE + 12,
-            EX - 4, EY - 12);
+  /* simulate releasing mouse button over last gadget, if still pressed */
+  if (button_status)
+    HandleGadgets(-1, -1, 0);
 
-  redraw_mask |= REDRAW_ALL;
-}
+  UnmapAllGadgets();
 
+#if 1
+  if (old_door_state & DOOR_OPEN_1 && !use_envelope_request)
+#else
+  if (old_door_state & DOOR_OPEN_1)
+#endif
+  {
+    CloseDoor(DOOR_CLOSE_1);
 
-/* ---------- new tool button stuff ---------------------------------------- */
+    /* save old door content */
+    BlitBitmap(bitmap_db_door, bitmap_db_door,
+              DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE,
+              DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1);
+  }
 
-/* graphic position values for tool buttons */
-#define TOOL_BUTTON_YES_XPOS           2
-#define TOOL_BUTTON_YES_YPOS           250
-#define TOOL_BUTTON_YES_GFX_YPOS       0
-#define TOOL_BUTTON_YES_XSIZE          46
-#define TOOL_BUTTON_YES_YSIZE          28
-#define TOOL_BUTTON_NO_XPOS            52
-#define TOOL_BUTTON_NO_YPOS            TOOL_BUTTON_YES_YPOS
-#define TOOL_BUTTON_NO_GFX_YPOS                TOOL_BUTTON_YES_GFX_YPOS
-#define TOOL_BUTTON_NO_XSIZE           TOOL_BUTTON_YES_XSIZE
-#define TOOL_BUTTON_NO_YSIZE           TOOL_BUTTON_YES_YSIZE
-#define TOOL_BUTTON_CONFIRM_XPOS       TOOL_BUTTON_YES_XPOS
-#define TOOL_BUTTON_CONFIRM_YPOS       TOOL_BUTTON_YES_YPOS
-#define TOOL_BUTTON_CONFIRM_GFX_YPOS   30
-#define TOOL_BUTTON_CONFIRM_XSIZE      96
-#define TOOL_BUTTON_CONFIRM_YSIZE      TOOL_BUTTON_YES_YSIZE
-#define TOOL_BUTTON_PLAYER_XSIZE       30
-#define TOOL_BUTTON_PLAYER_YSIZE       30
-#define TOOL_BUTTON_PLAYER_GFX_XPOS    5
-#define TOOL_BUTTON_PLAYER_GFX_YPOS    185
-#define TOOL_BUTTON_PLAYER_XPOS                (5 + TOOL_BUTTON_PLAYER_XSIZE / 2)
-#define TOOL_BUTTON_PLAYER_YPOS                (215 - TOOL_BUTTON_PLAYER_YSIZE / 2)
-#define TOOL_BUTTON_PLAYER1_XPOS       (TOOL_BUTTON_PLAYER_XPOS \
-                                        + 0 * TOOL_BUTTON_PLAYER_XSIZE)
-#define TOOL_BUTTON_PLAYER2_XPOS       (TOOL_BUTTON_PLAYER_XPOS \
-                                        + 1 * TOOL_BUTTON_PLAYER_XSIZE)
-#define TOOL_BUTTON_PLAYER3_XPOS       (TOOL_BUTTON_PLAYER_XPOS \
-                                        + 0 * TOOL_BUTTON_PLAYER_XSIZE)
-#define TOOL_BUTTON_PLAYER4_XPOS       (TOOL_BUTTON_PLAYER_XPOS \
-                                        + 1 * TOOL_BUTTON_PLAYER_XSIZE)
-#define TOOL_BUTTON_PLAYER1_YPOS       (TOOL_BUTTON_PLAYER_YPOS \
-                                        + 0 * TOOL_BUTTON_PLAYER_YSIZE)
-#define TOOL_BUTTON_PLAYER2_YPOS       (TOOL_BUTTON_PLAYER_YPOS \
-                                        + 0 * TOOL_BUTTON_PLAYER_YSIZE)
-#define TOOL_BUTTON_PLAYER3_YPOS       (TOOL_BUTTON_PLAYER_YPOS \
-                                        + 1 * TOOL_BUTTON_PLAYER_YSIZE)
-#define TOOL_BUTTON_PLAYER4_YPOS       (TOOL_BUTTON_PLAYER_YPOS \
-                                        + 1 * TOOL_BUTTON_PLAYER_YSIZE)
+#if 1
+  SetDoorBackgroundImage(IMG_BACKGROUND_DOOR);
+#endif
 
-static struct
-{
-  int xpos, ypos;
-  int x, y;
-  int width, height;
-  int gadget_id;
-  char *infotext;
-} toolbutton_info[NUM_TOOL_BUTTONS] =
-{
-  {
-    TOOL_BUTTON_YES_XPOS,      TOOL_BUTTON_YES_GFX_YPOS,
-    TOOL_BUTTON_YES_XPOS,      TOOL_BUTTON_YES_YPOS,
-    TOOL_BUTTON_YES_XSIZE,     TOOL_BUTTON_YES_YSIZE,
-    TOOL_CTRL_ID_YES,
-    "yes"
-  },
-  {
-    TOOL_BUTTON_NO_XPOS,       TOOL_BUTTON_NO_GFX_YPOS,
-    TOOL_BUTTON_NO_XPOS,       TOOL_BUTTON_NO_YPOS,
-    TOOL_BUTTON_NO_XSIZE,      TOOL_BUTTON_NO_YSIZE,
-    TOOL_CTRL_ID_NO,
-    "no"
-  },
+  SetDrawBackgroundMask(REDRAW_FIELD | REDRAW_DOOR_1);
+
+  /* clear door drawing field */
+  DrawBackground(DX, DY, DXSIZE, DYSIZE);
+
+  /* force DOOR font inside door area */
+  game_status = GAME_MODE_PSEUDO_DOOR;
+
+  /* write text for request */
+  for (text_ptr = text, ty = 0; ty < MAX_REQUEST_LINES; ty++)
   {
-    TOOL_BUTTON_CONFIRM_XPOS,  TOOL_BUTTON_CONFIRM_GFX_YPOS,
-    TOOL_BUTTON_CONFIRM_XPOS,  TOOL_BUTTON_CONFIRM_YPOS,
-    TOOL_BUTTON_CONFIRM_XSIZE, TOOL_BUTTON_CONFIRM_YSIZE,
-    TOOL_CTRL_ID_CONFIRM,
-    "confirm"
-  },
+    char text_line[max_request_line_len + 1];
+    int tx, tl, tc = 0;
+
+    if (!*text_ptr)
+      break;
+
+    for (tl = 0, tx = 0; tx < max_request_line_len; tl++, tx++)
+    {
+      tc = *(text_ptr + tx);
+      if (!tc || tc == ' ')
+       break;
+    }
+
+    if (!tl)
+    { 
+      text_ptr++; 
+      ty--; 
+      continue; 
+    }
+
+    strncpy(text_line, text_ptr, tl);
+    text_line[tl] = 0;
+
+    DrawText(DX + (DXSIZE - tl * getFontWidth(font_nr)) / 2,
+            DY + 8 + ty * (getFontHeight(font_nr) + 2),
+            text_line, font_nr);
+
+    text_ptr += tl + (tc == ' ' ? 1 : 0);
+  }
+
+  game_status = last_game_status;      /* restore current game status */
+
+#if 1
+  if (use_envelope_request)
   {
-    TOOL_BUTTON_PLAYER_GFX_XPOS,TOOL_BUTTON_PLAYER_GFX_YPOS,
-    TOOL_BUTTON_PLAYER1_XPOS,  TOOL_BUTTON_PLAYER1_YPOS,
-    TOOL_BUTTON_PLAYER_XSIZE,  TOOL_BUTTON_PLAYER_YSIZE,
-    TOOL_CTRL_ID_PLAYER_1,
-    "player 1"
-  },
+    /* !!! TMP !!! */
+    FreeToolButtons();
+    CreateToolButtons();
+  }
+#endif
+
+  if (req_state & REQ_ASK)
   {
-    TOOL_BUTTON_PLAYER_GFX_XPOS,TOOL_BUTTON_PLAYER_GFX_YPOS,
-    TOOL_BUTTON_PLAYER2_XPOS,  TOOL_BUTTON_PLAYER2_YPOS,
-    TOOL_BUTTON_PLAYER_XSIZE,  TOOL_BUTTON_PLAYER_YSIZE,
-    TOOL_CTRL_ID_PLAYER_2,
-    "player 2"
-  },
+    MapGadget(tool_gadget[TOOL_CTRL_ID_YES]);
+    MapGadget(tool_gadget[TOOL_CTRL_ID_NO]);
+  }
+  else if (req_state & REQ_CONFIRM)
   {
-    TOOL_BUTTON_PLAYER_GFX_XPOS,TOOL_BUTTON_PLAYER_GFX_YPOS,
-    TOOL_BUTTON_PLAYER3_XPOS,  TOOL_BUTTON_PLAYER3_YPOS,
-    TOOL_BUTTON_PLAYER_XSIZE,  TOOL_BUTTON_PLAYER_YSIZE,
-    TOOL_CTRL_ID_PLAYER_3,
-    "player 3"
-  },
+    MapGadget(tool_gadget[TOOL_CTRL_ID_CONFIRM]);
+  }
+  else if (req_state & REQ_PLAYER)
   {
-    TOOL_BUTTON_PLAYER_GFX_XPOS,TOOL_BUTTON_PLAYER_GFX_YPOS,
-    TOOL_BUTTON_PLAYER4_XPOS,  TOOL_BUTTON_PLAYER4_YPOS,
-    TOOL_BUTTON_PLAYER_XSIZE,  TOOL_BUTTON_PLAYER_YSIZE,
-    TOOL_CTRL_ID_PLAYER_4,
-    "player 4"
+    MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_1]);
+    MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_2]);
+    MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_3]);
+    MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_4]);
   }
-};
 
-void CreateToolButtons()
-{
-  int i;
+  /* copy request gadgets to door backbuffer */
+  BlitBitmap(drawto, bitmap_db_door,
+            DX, DY, DXSIZE, DYSIZE,
+            DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
 
-  for (i = 0; i < NUM_TOOL_BUTTONS; i++)
+#if 1
+  if (use_envelope_request)
   {
-    Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
-    Bitmap *deco_bitmap = None;
-    int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
-    struct GadgetInfo *gi;
-    unsigned long event_mask;
-    int gd_xoffset, gd_yoffset;
-    int gd_x1, gd_x2, gd_y;
-    int id = i;
-
-    event_mask = GD_EVENT_RELEASED;
-
-    gd_xoffset = toolbutton_info[i].xpos;
-    gd_yoffset = toolbutton_info[i].ypos;
-    gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
-    gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
-    gd_y = DOOR_GFX_PAGEY1 + gd_yoffset;
+    ShowEnvelopeDoor(text, ACTION_OPENING);
 
-    if (id >= TOOL_CTRL_ID_PLAYER_1 && id <= TOOL_CTRL_ID_PLAYER_4)
+    for (i = 0; i < NUM_TOOL_BUTTONS; i++)
     {
-      int player_nr = id - TOOL_CTRL_ID_PLAYER_1;
+      if ((req_state & REQ_ASK && (i == TOOL_CTRL_ID_YES ||
+                                  i == TOOL_CTRL_ID_NO)) ||
+         (req_state & REQ_CONFIRM && i == TOOL_CTRL_ID_CONFIRM) ||
+         (req_state & REQ_PLAYER && (i == TOOL_CTRL_ID_PLAYER_1 &&
+                                     i == TOOL_CTRL_ID_PLAYER_2 &&
+                                     i == TOOL_CTRL_ID_PLAYER_3 &&
+                                     i == TOOL_CTRL_ID_PLAYER_4)))
+      {
+       int x = tool_gadget[i]->x + dDX;
+       int y = tool_gadget[i]->y + dDY;
 
-      getMiniGraphicSource(PLAYER_NR_GFX(IMG_PLAYER_1, player_nr),
-                          &deco_bitmap, &deco_x, &deco_y);
-      deco_xpos = (toolbutton_info[i].width - MINI_TILEX) / 2;
-      deco_ypos = (toolbutton_info[i].height - MINI_TILEY) / 2;
+       ModifyGadget(tool_gadget[i], GDI_X, x, GDI_Y, y, GDI_END);
+      }
     }
+  }
+#endif
 
-    gi = CreateGadget(GDI_CUSTOM_ID, id,
-                     GDI_INFO_TEXT, toolbutton_info[i].infotext,
-                     GDI_X, DX + toolbutton_info[i].x,
-                     GDI_Y, DY + toolbutton_info[i].y,
-                     GDI_WIDTH, toolbutton_info[i].width,
-                     GDI_HEIGHT, toolbutton_info[i].height,
-                     GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
-                     GDI_STATE, GD_BUTTON_UNPRESSED,
-                     GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
-                     GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
-                     GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
-                     GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
-                     GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
-                     GDI_DECORATION_SHIFTING, 1, 1,
-                     GDI_EVENT_MASK, event_mask,
-                     GDI_CALLBACK_ACTION, HandleToolButtons,
-                     GDI_END);
+#if 1
+  if (!use_envelope_request)
+    OpenDoor(DOOR_OPEN_1);
+#else
+  OpenDoor(DOOR_OPEN_1);
+#endif
 
-    if (gi == NULL)
-      Error(ERR_EXIT, "cannot create gadget");
+  if (!(req_state & REQUEST_WAIT_FOR_INPUT))
+  {
+    if (game_status == GAME_MODE_PLAYING)
+    {
+      SetPanelBackground();
+      SetDrawBackgroundMask(REDRAW_DOOR_1);
+    }
+    else
+    {
+      SetDrawBackgroundMask(REDRAW_FIELD);
+    }
 
-    tool_gadget[id] = gi;
+    return FALSE;
   }
-}
 
-void FreeToolButtons()
-{
-  int i;
+#if 1
+  if (game_status != GAME_MODE_MAIN && !use_envelope_request)
+    InitAnimation();
+#else
+  if (game_status != GAME_MODE_MAIN)
+    InitAnimation();
+#endif
 
-  for (i = 0; i < NUM_TOOL_BUTTONS; i++)
-    FreeGadget(tool_gadget[i]);
-}
+  button_status = MB_RELEASED;
 
-static void UnmapToolButtons()
-{
-  int i;
+  request_gadget_id = -1;
 
-  for (i = 0; i < NUM_TOOL_BUTTONS; i++)
-    UnmapGadget(tool_gadget[i]);
+  SetDrawBackgroundMask(REDRAW_FIELD | REDRAW_DOOR_1);
+
+  while (result < 0)
+  {
+    if (PendingEvent())
+    {
+      Event event;
+
+      NextEvent(&event);
+
+      switch (event.type)
+      {
+       case EVENT_BUTTONPRESS:
+       case EVENT_BUTTONRELEASE:
+       case EVENT_MOTIONNOTIFY:
+       {
+         if (event.type == EVENT_MOTIONNOTIFY)
+         {
+           if (!PointerInWindow(window))
+             continue; /* window and pointer are on different screens */
+
+           if (!button_status)
+             continue;
+
+           motion_status = TRUE;
+           mx = ((MotionEvent *) &event)->x;
+           my = ((MotionEvent *) &event)->y;
+         }
+         else
+         {
+           motion_status = FALSE;
+           mx = ((ButtonEvent *) &event)->x;
+           my = ((ButtonEvent *) &event)->y;
+           if (event.type == EVENT_BUTTONPRESS)
+             button_status = ((ButtonEvent *) &event)->button;
+           else
+             button_status = MB_RELEASED;
+         }
+
+         /* this sets 'request_gadget_id' */
+         HandleGadgets(mx, my, button_status);
+
+         switch (request_gadget_id)
+         {
+           case TOOL_CTRL_ID_YES:
+             result = TRUE;
+             break;
+           case TOOL_CTRL_ID_NO:
+             result = FALSE;
+             break;
+           case TOOL_CTRL_ID_CONFIRM:
+             result = TRUE | FALSE;
+             break;
+
+           case TOOL_CTRL_ID_PLAYER_1:
+             result = 1;
+             break;
+           case TOOL_CTRL_ID_PLAYER_2:
+             result = 2;
+             break;
+           case TOOL_CTRL_ID_PLAYER_3:
+             result = 3;
+             break;
+           case TOOL_CTRL_ID_PLAYER_4:
+             result = 4;
+             break;
+
+           default:
+             break;
+         }
+
+         break;
+       }
+
+       case EVENT_KEYPRESS:
+         switch (GetEventKey((KeyEvent *)&event, TRUE))
+         {
+           case KSYM_space:
+             if (req_state & REQ_CONFIRM)
+               result = 1;
+             break;
+
+           case KSYM_Return:
+             result = 1;
+             break;
+
+           case KSYM_Escape:
+             result = 0;
+             break;
+
+           default:
+             break;
+         }
+
+         if (req_state & REQ_PLAYER)
+           result = 0;
+         break;
+
+       case EVENT_KEYRELEASE:
+         ClearPlayerAction();
+         break;
+
+       default:
+         HandleOtherEvents(&event);
+         break;
+      }
+    }
+    else if (AnyJoystickButton() == JOY_BUTTON_NEW_PRESSED)
+    {
+      int joy = AnyJoystick();
+
+      if (joy & JOY_BUTTON_1)
+       result = 1;
+      else if (joy & JOY_BUTTON_2)
+       result = 0;
+    }
+
+#if 1
+
+    if (game_status == GAME_MODE_PLAYING && local_player->LevelSolved_GameEnd)
+    {
+      HandleGameActions();
+    }
+    else
+    {
+      DoAnimation();
+
+      if (!PendingEvent())     /* delay only if no pending events */
+       Delay(10);
+    }
+
+    BackToFront();
+
+#else
+
+    DoAnimation();
+
+#if 1
+    if (!PendingEvent())       /* delay only if no pending events */
+      Delay(10);
+#else
+    /* don't eat all CPU time */
+    Delay(10);
+#endif
+
+#endif
+  }
+
+  if (game_status != GAME_MODE_MAIN)
+    StopAnimation();
+
+  UnmapToolButtons();
+
+#if 1
+  if (use_envelope_request)
+    ShowEnvelopeDoor(text, ACTION_CLOSING);
+#endif
+
+#if 1
+  if (!(req_state & REQ_STAY_OPEN) && !use_envelope_request)
+#else
+  if (!(req_state & REQ_STAY_OPEN))
+#endif
+  {
+    CloseDoor(DOOR_CLOSE_1);
+
+    if (((old_door_state & DOOR_OPEN_1) && !(req_state & REQ_STAY_CLOSED)) ||
+       (req_state & REQ_REOPEN))
+      OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
+  }
+
+  RemapAllGadgets();
+
+  if (game_status == GAME_MODE_PLAYING)
+  {
+    SetPanelBackground();
+    SetDrawBackgroundMask(REDRAW_DOOR_1);
+  }
+  else
+  {
+    SetDrawBackgroundMask(REDRAW_FIELD);
+  }
+
+#if defined(NETWORK_AVALIABLE)
+  /* continue network game after request */
+  if (options.network &&
+      game_status == GAME_MODE_PLAYING &&
+      req_state & REQUEST_WAIT_FOR_INPUT)
+    SendToServer_ContinuePlaying();
+#endif
+
+  /* restore deactivated drawing when quick-loading level tape recording */
+  if (tape.playing && tape.deactivate_display)
+    TapeDeactivateDisplayOn();
+
+  return result;
 }
 
-static void HandleToolButtons(struct GadgetInfo *gi)
+unsigned int OpenDoor(unsigned int door_state)
 {
-  request_gadget_id = gi->custom_id;
+  if (door_state & DOOR_COPY_BACK)
+  {
+    if (door_state & DOOR_OPEN_1)
+      BlitBitmap(bitmap_db_door, bitmap_db_door,
+                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE,
+                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
+
+    if (door_state & DOOR_OPEN_2)
+      BlitBitmap(bitmap_db_door, bitmap_db_door,
+                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY2, VXSIZE, VYSIZE,
+                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY2);
+
+    door_state &= ~DOOR_COPY_BACK;
+  }
+
+  return MoveDoor(door_state);
 }
 
-#if 1
+unsigned int CloseDoor(unsigned int door_state)
+{
+  unsigned int old_door_state = GetDoorState();
 
-static struct
+  if (!(door_state & DOOR_NO_COPY_BACK))
+  {
+    if (old_door_state & DOOR_OPEN_1)
+      BlitBitmap(backbuffer, bitmap_db_door,
+                DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
+
+    if (old_door_state & DOOR_OPEN_2)
+      BlitBitmap(backbuffer, bitmap_db_door,
+                VX, VY, VXSIZE, VYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY2);
+
+    door_state &= ~DOOR_NO_COPY_BACK;
+  }
+
+  return MoveDoor(door_state);
+}
+
+unsigned int GetDoorState()
 {
-  int element_em;
-  boolean is_rnd_to_em_mapping;                /* unique mapping EM <-> RND */
-  boolean is_backside;                 /* backside of moving element */
+  return MoveDoor(DOOR_GET_STATE);
+}
 
-  int element_rnd;
-  int action;
-  int direction;
+unsigned int SetDoorState(unsigned int door_state)
+{
+  return MoveDoor(door_state | DOOR_SET_STATE);
 }
-mapping_EM_to_RND_list[] =
+
+unsigned int MoveDoor(unsigned int door_state)
 {
+  static int door1 = DOOR_OPEN_1;
+  static int door2 = DOOR_CLOSE_2;
+  unsigned long door_delay = 0;
+  unsigned long door_delay_value;
+  int stepsize = 1;
+
+  if (door_1.width < 0 || door_1.width > DXSIZE)
+    door_1.width = DXSIZE;
+  if (door_1.height < 0 || door_1.height > DYSIZE)
+    door_1.height = DYSIZE;
+  if (door_2.width < 0 || door_2.width > VXSIZE)
+    door_2.width = VXSIZE;
+  if (door_2.height < 0 || door_2.height > VYSIZE)
+    door_2.height = VYSIZE;
+
+  if (door_state == DOOR_GET_STATE)
+    return (door1 | door2);
+
+  if (door_state & DOOR_SET_STATE)
+  {
+    if (door_state & DOOR_ACTION_1)
+      door1 = door_state & DOOR_ACTION_1;
+    if (door_state & DOOR_ACTION_2)
+      door2 = door_state & DOOR_ACTION_2;
+
+    return (door1 | door2);
+  }
+
+  if (!(door_state & DOOR_FORCE_REDRAW))
+  {
+    if (door1 == DOOR_OPEN_1 && door_state & DOOR_OPEN_1)
+      door_state &= ~DOOR_OPEN_1;
+    else if (door1 == DOOR_CLOSE_1 && door_state & DOOR_CLOSE_1)
+      door_state &= ~DOOR_CLOSE_1;
+    if (door2 == DOOR_OPEN_2 && door_state & DOOR_OPEN_2)
+      door_state &= ~DOOR_OPEN_2;
+    else if (door2 == DOOR_CLOSE_2 && door_state & DOOR_CLOSE_2)
+      door_state &= ~DOOR_CLOSE_2;
+  }
+
+  door_delay_value = (door_state & DOOR_ACTION_1 ? door_1.step_delay :
+                     door_2.step_delay);
+
+  if (setup.quick_doors)
+  {
+    stepsize = 20;             /* must be chosen to always draw last frame */
+    door_delay_value = 0;
+  }
+
+  if (global.autoplay_leveldir)
+  {
+    door_state |= DOOR_NO_DELAY;
+    door_state &= ~DOOR_CLOSE_ALL;
+  }
+
+#if 1
+  if (game_status == GAME_MODE_EDITOR)
+    door_state |= DOOR_NO_DELAY;
+#endif
+
+  if (door_state & DOOR_ACTION)
+  {
+    boolean handle_door_1 = (door_state & DOOR_ACTION_1);
+    boolean handle_door_2 = (door_state & DOOR_ACTION_2);
+    boolean door_1_done = (!handle_door_1);
+    boolean door_2_done = (!handle_door_2);
+    boolean door_1_vertical = (door_1.anim_mode & ANIM_VERTICAL);
+    boolean door_2_vertical = (door_2.anim_mode & ANIM_VERTICAL);
+    int door_size_1 = (door_1_vertical ? door_1.height : door_1.width);
+    int door_size_2 = (door_2_vertical ? door_2.height : door_2.width);
+    int max_door_size_1 = (door_1_vertical ? DYSIZE : DXSIZE);
+    int max_door_size_2 = (door_2_vertical ? VYSIZE : VXSIZE);
+    int door_size     = (handle_door_1 ? door_size_1     : door_size_2);
+    int max_door_size = (handle_door_1 ? max_door_size_1 : max_door_size_2);
+    int door_skip = max_door_size - door_size;
+    int end = door_size;
+    int start = ((door_state & DOOR_NO_DELAY) ? end : 0);
+    int k;
+
+    if (!(door_state & DOOR_NO_DELAY) && !setup.quick_doors)
+    {
+      /* opening door sound has priority over simultaneously closing door */
+      if (door_state & (DOOR_OPEN_1 | DOOR_OPEN_2))
+       PlayMenuSoundStereo(SND_DOOR_OPENING, SOUND_MIDDLE);
+      else if (door_state & (DOOR_CLOSE_1 | DOOR_CLOSE_2))
+       PlayMenuSoundStereo(SND_DOOR_CLOSING, SOUND_MIDDLE);
+    }
+
+    for (k = start; k <= end && !(door_1_done && door_2_done); k += stepsize)
+    {
+      int x = k;
+      Bitmap *bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
+      GC gc = bitmap->stored_clip_gc;
+
+      if (door_state & DOOR_ACTION_1)
+      {
+       int a = MIN(x * door_1.step_offset, end);
+       int p = (door_state & DOOR_OPEN_1 ? end - a : a);
+       int i = p + door_skip;
+
+       if (door_1.anim_mode & ANIM_STATIC_PANEL)
+       {
+         BlitBitmap(bitmap_db_door, drawto,
+                    DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1,
+                    DXSIZE, DYSIZE, DX, DY);
+       }
+       else if (x <= a)
+       {
+         BlitBitmap(bitmap_db_door, drawto,
+                    DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1 + p / 2,
+                    DXSIZE, DYSIZE - p / 2, DX, DY);
+
+         ClearRectangle(drawto, DX, DY + DYSIZE - p / 2, DXSIZE, p / 2);
+       }
+
+       if (door_1.anim_mode & ANIM_HORIZONTAL && x <= DXSIZE)
+       {
+         int src1_x = DXSIZE,          src1_y = DOOR_GFX_PAGEY1;
+         int dst1_x = DX + DXSIZE - i, dst1_y = DY;
+         int src2_x = DXSIZE - i,      src2_y = DOOR_GFX_PAGEY1;
+         int dst2_x = DX,              dst2_y = DY;
+         int width = i, height = DYSIZE;
+
+         SetClipOrigin(bitmap, gc, dst1_x - src1_x, dst1_y - src1_y);
+         BlitBitmapMasked(bitmap, drawto, src1_x, src1_y, width, height,
+                          dst1_x, dst1_y);
+
+         SetClipOrigin(bitmap, gc, dst2_x - src2_x, dst2_y - src2_y);
+         BlitBitmapMasked(bitmap, drawto, src2_x, src2_y, width, height,
+                          dst2_x, dst2_y);
+       }
+       else if (door_1.anim_mode & ANIM_VERTICAL && x <= DYSIZE)
+       {
+         int src1_x = DXSIZE,          src1_y = DOOR_GFX_PAGEY1;
+         int dst1_x = DX,              dst1_y = DY + DYSIZE - i;
+         int src2_x = 0,               src2_y = DOOR_GFX_PAGEY1 + DYSIZE - i;
+         int dst2_x = DX,              dst2_y = DY;
+         int width = DXSIZE, height = i;
+
+         SetClipOrigin(bitmap, gc, dst1_x - src1_x, dst1_y - src1_y);
+         BlitBitmapMasked(bitmap, drawto, src1_x, src1_y, width, height,
+                          dst1_x, dst1_y);
+
+         SetClipOrigin(bitmap, gc, dst2_x - src2_x, dst2_y - src2_y);
+         BlitBitmapMasked(bitmap, drawto, src2_x, src2_y, width, height,
+                          dst2_x, dst2_y);
+       }
+       else if (x <= DXSIZE)   /* ANIM_DEFAULT */
+       {
+         int j = (door_1.anim_mode == ANIM_DEFAULT ? (DXSIZE - i) / 3 : 0);
+
+         SetClipOrigin(bitmap, gc, DX - i, (DY + j) - DOOR_GFX_PAGEY1);
+         BlitBitmapMasked(bitmap, drawto,
+                          DXSIZE, DOOR_GFX_PAGEY1, i, 77,
+                          DX + DXSIZE - i, DY + j);
+         BlitBitmapMasked(bitmap, drawto,
+                          DXSIZE, DOOR_GFX_PAGEY1 + 140, i, 63,
+                          DX + DXSIZE - i, DY + 140 + j);
+         SetClipOrigin(bitmap, gc, DX - DXSIZE + i,
+                       DY - (DOOR_GFX_PAGEY1 + j));
+         BlitBitmapMasked(bitmap, drawto,
+                          DXSIZE - i, DOOR_GFX_PAGEY1 + j, i, 77 - j,
+                          DX, DY);
+         BlitBitmapMasked(bitmap, drawto,
+                          DXSIZE-i, DOOR_GFX_PAGEY1 + 140, i, 63,
+                          DX, DY + 140 - j);
+
+         BlitBitmapMasked(bitmap, drawto,
+                          DXSIZE - i, DOOR_GFX_PAGEY1 + 77, i, 63,
+                          DX, DY + 77 - j);
+         BlitBitmapMasked(bitmap, drawto,
+                          DXSIZE - i, DOOR_GFX_PAGEY1 + 203, i, 77,
+                          DX, DY + 203 - j);
+         SetClipOrigin(bitmap, gc, DX - i, (DY + j) - DOOR_GFX_PAGEY1);
+         BlitBitmapMasked(bitmap, drawto,
+                          DXSIZE, DOOR_GFX_PAGEY1 + 77, i, 63,
+                          DX + DXSIZE - i, DY + 77 + j);
+         BlitBitmapMasked(bitmap, drawto,
+                          DXSIZE, DOOR_GFX_PAGEY1 + 203, i, 77 - j,
+                          DX + DXSIZE - i, DY + 203 + j);
+       }
+
+       redraw_mask |= REDRAW_DOOR_1;
+       door_1_done = (a == end);
+      }
+
+      if (door_state & DOOR_ACTION_2)
+      {
+       int a = MIN(x * door_2.step_offset, door_size);
+       int p = (door_state & DOOR_OPEN_2 ? door_size - a : a);
+       int i = p + door_skip;
+
+       if (door_2.anim_mode & ANIM_STATIC_PANEL)
+       {
+         BlitBitmap(bitmap_db_door, drawto,
+                    DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY2,
+                    VXSIZE, VYSIZE, VX, VY);
+       }
+       else if (x <= VYSIZE)
+       {
+         BlitBitmap(bitmap_db_door, drawto,
+                    DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY2 + p / 2,
+                    VXSIZE, VYSIZE - p / 2, VX, VY);
+
+         ClearRectangle(drawto, VX, VY + VYSIZE - p / 2, VXSIZE, p / 2);
+       }
+
+       if (door_2.anim_mode & ANIM_HORIZONTAL && x <= VXSIZE)
+       {
+         int src1_x = VXSIZE,          src1_y = DOOR_GFX_PAGEY2;
+         int dst1_x = VX + VXSIZE - i, dst1_y = VY;
+         int src2_x = VXSIZE - i,      src2_y = DOOR_GFX_PAGEY2;
+         int dst2_x = VX,              dst2_y = VY;
+         int width = i, height = VYSIZE;
+
+         SetClipOrigin(bitmap, gc, dst1_x - src1_x, dst1_y - src1_y);
+         BlitBitmapMasked(bitmap, drawto, src1_x, src1_y, width, height,
+                          dst1_x, dst1_y);
+
+         SetClipOrigin(bitmap, gc, dst2_x - src2_x, dst2_y - src2_y);
+         BlitBitmapMasked(bitmap, drawto, src2_x, src2_y, width, height,
+                          dst2_x, dst2_y);
+       }
+       else if (door_2.anim_mode & ANIM_VERTICAL && x <= VYSIZE)
+       {
+         int src1_x = VXSIZE,          src1_y = DOOR_GFX_PAGEY2;
+         int dst1_x = VX,              dst1_y = VY + VYSIZE - i;
+         int src2_x = 0,               src2_y = DOOR_GFX_PAGEY2 + VYSIZE - i;
+         int dst2_x = VX,              dst2_y = VY;
+         int width = VXSIZE, height = i;
+
+         SetClipOrigin(bitmap, gc, dst1_x - src1_x, dst1_y - src1_y);
+         BlitBitmapMasked(bitmap, drawto, src1_x, src1_y, width, height,
+                          dst1_x, dst1_y);
+
+         SetClipOrigin(bitmap, gc, dst2_x - src2_x, dst2_y - src2_y);
+         BlitBitmapMasked(bitmap, drawto, src2_x, src2_y, width, height,
+                          dst2_x, dst2_y);
+       }
+       else if (x <= VXSIZE)   /* ANIM_DEFAULT */
+       {
+         int j = (door_2.anim_mode == ANIM_DEFAULT ? (VXSIZE - i) / 3 : 0);
+
+         SetClipOrigin(bitmap, gc, VX - i, (VY + j) - DOOR_GFX_PAGEY2);
+         BlitBitmapMasked(bitmap, drawto,
+                          VXSIZE, DOOR_GFX_PAGEY2, i, VYSIZE / 2,
+                          VX + VXSIZE - i, VY + j);
+         SetClipOrigin(bitmap, gc,
+                       VX - VXSIZE + i, VY - (DOOR_GFX_PAGEY2 + j));
+         BlitBitmapMasked(bitmap, drawto,
+                          VXSIZE - i, DOOR_GFX_PAGEY2 + j, i, VYSIZE / 2 - j,
+                          VX, VY);
+
+         BlitBitmapMasked(bitmap, drawto,
+                          VXSIZE - i, DOOR_GFX_PAGEY2 + VYSIZE / 2,
+                          i, VYSIZE / 2, VX, VY + VYSIZE / 2 - j);
+         SetClipOrigin(bitmap, gc, VX - i, (VY + j) - DOOR_GFX_PAGEY2);
+         BlitBitmapMasked(bitmap, drawto,
+                          VXSIZE, DOOR_GFX_PAGEY2 + VYSIZE / 2,
+                          i, VYSIZE / 2 - j,
+                          VX + VXSIZE - i, VY + VYSIZE / 2 + j);
+       }
+
+       redraw_mask |= REDRAW_DOOR_2;
+       door_2_done = (a == VXSIZE);
+      }
+
+      if (!(door_state & DOOR_NO_DELAY))
+      {
+       BackToFront();
+
+       if (game_status == GAME_MODE_MAIN)
+         DoAnimation();
+
+       WaitUntilDelayReached(&door_delay, door_delay_value);
+      }
+    }
+  }
+
+  if (door_state & DOOR_ACTION_1)
+    door1 = door_state & DOOR_ACTION_1;
+  if (door_state & DOOR_ACTION_2)
+    door2 = door_state & DOOR_ACTION_2;
+
+  return (door1 | door2);
+}
+
+void DrawSpecialEditorDoor()
+{
+  /* draw bigger toolbox window */
+  BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
+            DOOR_GFX_PAGEX7, 0, EXSIZE + 8, 8,
+            EX - 4, EY - 12);
+  BlitBitmap(graphic_info[IMG_GLOBAL_BORDER].bitmap, drawto,
+            EX - 6, VY - 4, EXSIZE + 12, EYSIZE - VYSIZE + 4,
+            EX - 6, EY - 4);
+
+  redraw_mask |= REDRAW_ALL;
+}
+
+void UndrawSpecialEditorDoor()
+{
+  /* draw normal tape recorder window */
+  BlitBitmap(graphic_info[IMG_GLOBAL_BORDER].bitmap, drawto,
+            EX - 6, EY - 12, EXSIZE + 12, EYSIZE - VYSIZE + 12,
+            EX - 6, EY - 12);
+
+  redraw_mask |= REDRAW_ALL;
+}
+
+
+/* ---------- new tool button stuff ---------------------------------------- */
+
+/* graphic position values for tool buttons */
+#define TOOL_BUTTON_YES_XPOS           2
+#define TOOL_BUTTON_YES_YPOS           250
+#define TOOL_BUTTON_YES_GFX_YPOS       0
+#define TOOL_BUTTON_YES_XSIZE          46
+#define TOOL_BUTTON_YES_YSIZE          28
+#define TOOL_BUTTON_NO_XPOS            52
+#define TOOL_BUTTON_NO_YPOS            TOOL_BUTTON_YES_YPOS
+#define TOOL_BUTTON_NO_GFX_YPOS                TOOL_BUTTON_YES_GFX_YPOS
+#define TOOL_BUTTON_NO_XSIZE           TOOL_BUTTON_YES_XSIZE
+#define TOOL_BUTTON_NO_YSIZE           TOOL_BUTTON_YES_YSIZE
+#define TOOL_BUTTON_CONFIRM_XPOS       TOOL_BUTTON_YES_XPOS
+#define TOOL_BUTTON_CONFIRM_YPOS       TOOL_BUTTON_YES_YPOS
+#define TOOL_BUTTON_CONFIRM_GFX_YPOS   30
+#define TOOL_BUTTON_CONFIRM_XSIZE      96
+#define TOOL_BUTTON_CONFIRM_YSIZE      TOOL_BUTTON_YES_YSIZE
+#define TOOL_BUTTON_PLAYER_XSIZE       30
+#define TOOL_BUTTON_PLAYER_YSIZE       30
+#define TOOL_BUTTON_PLAYER_GFX_XPOS    5
+#define TOOL_BUTTON_PLAYER_GFX_YPOS    185
+#define TOOL_BUTTON_PLAYER_XPOS                (5 + TOOL_BUTTON_PLAYER_XSIZE / 2)
+#define TOOL_BUTTON_PLAYER_YPOS                (215 - TOOL_BUTTON_PLAYER_YSIZE / 2)
+#define TOOL_BUTTON_PLAYER1_XPOS       (TOOL_BUTTON_PLAYER_XPOS \
+                                        + 0 * TOOL_BUTTON_PLAYER_XSIZE)
+#define TOOL_BUTTON_PLAYER2_XPOS       (TOOL_BUTTON_PLAYER_XPOS \
+                                        + 1 * TOOL_BUTTON_PLAYER_XSIZE)
+#define TOOL_BUTTON_PLAYER3_XPOS       (TOOL_BUTTON_PLAYER_XPOS \
+                                        + 0 * TOOL_BUTTON_PLAYER_XSIZE)
+#define TOOL_BUTTON_PLAYER4_XPOS       (TOOL_BUTTON_PLAYER_XPOS \
+                                        + 1 * TOOL_BUTTON_PLAYER_XSIZE)
+#define TOOL_BUTTON_PLAYER1_YPOS       (TOOL_BUTTON_PLAYER_YPOS \
+                                        + 0 * TOOL_BUTTON_PLAYER_YSIZE)
+#define TOOL_BUTTON_PLAYER2_YPOS       (TOOL_BUTTON_PLAYER_YPOS \
+                                        + 0 * TOOL_BUTTON_PLAYER_YSIZE)
+#define TOOL_BUTTON_PLAYER3_YPOS       (TOOL_BUTTON_PLAYER_YPOS \
+                                        + 1 * TOOL_BUTTON_PLAYER_YSIZE)
+#define TOOL_BUTTON_PLAYER4_YPOS       (TOOL_BUTTON_PLAYER_YPOS \
+                                        + 1 * TOOL_BUTTON_PLAYER_YSIZE)
+
+static struct
+{
+  int xpos, ypos;
+  int x, y;
+  int width, height;
+  int gadget_id;
+  char *infotext;
+} toolbutton_info[NUM_TOOL_BUTTONS] =
+{
+  {
+    TOOL_BUTTON_YES_XPOS,      TOOL_BUTTON_YES_GFX_YPOS,
+    TOOL_BUTTON_YES_XPOS,      TOOL_BUTTON_YES_YPOS,
+    TOOL_BUTTON_YES_XSIZE,     TOOL_BUTTON_YES_YSIZE,
+    TOOL_CTRL_ID_YES,
+    "yes"
+  },
+  {
+    TOOL_BUTTON_NO_XPOS,       TOOL_BUTTON_NO_GFX_YPOS,
+    TOOL_BUTTON_NO_XPOS,       TOOL_BUTTON_NO_YPOS,
+    TOOL_BUTTON_NO_XSIZE,      TOOL_BUTTON_NO_YSIZE,
+    TOOL_CTRL_ID_NO,
+    "no"
+  },
+  {
+    TOOL_BUTTON_CONFIRM_XPOS,  TOOL_BUTTON_CONFIRM_GFX_YPOS,
+    TOOL_BUTTON_CONFIRM_XPOS,  TOOL_BUTTON_CONFIRM_YPOS,
+    TOOL_BUTTON_CONFIRM_XSIZE, TOOL_BUTTON_CONFIRM_YSIZE,
+    TOOL_CTRL_ID_CONFIRM,
+    "confirm"
+  },
+  {
+    TOOL_BUTTON_PLAYER_GFX_XPOS,TOOL_BUTTON_PLAYER_GFX_YPOS,
+    TOOL_BUTTON_PLAYER1_XPOS,  TOOL_BUTTON_PLAYER1_YPOS,
+    TOOL_BUTTON_PLAYER_XSIZE,  TOOL_BUTTON_PLAYER_YSIZE,
+    TOOL_CTRL_ID_PLAYER_1,
+    "player 1"
+  },
+  {
+    TOOL_BUTTON_PLAYER_GFX_XPOS,TOOL_BUTTON_PLAYER_GFX_YPOS,
+    TOOL_BUTTON_PLAYER2_XPOS,  TOOL_BUTTON_PLAYER2_YPOS,
+    TOOL_BUTTON_PLAYER_XSIZE,  TOOL_BUTTON_PLAYER_YSIZE,
+    TOOL_CTRL_ID_PLAYER_2,
+    "player 2"
+  },
+  {
+    TOOL_BUTTON_PLAYER_GFX_XPOS,TOOL_BUTTON_PLAYER_GFX_YPOS,
+    TOOL_BUTTON_PLAYER3_XPOS,  TOOL_BUTTON_PLAYER3_YPOS,
+    TOOL_BUTTON_PLAYER_XSIZE,  TOOL_BUTTON_PLAYER_YSIZE,
+    TOOL_CTRL_ID_PLAYER_3,
+    "player 3"
+  },
+  {
+    TOOL_BUTTON_PLAYER_GFX_XPOS,TOOL_BUTTON_PLAYER_GFX_YPOS,
+    TOOL_BUTTON_PLAYER4_XPOS,  TOOL_BUTTON_PLAYER4_YPOS,
+    TOOL_BUTTON_PLAYER_XSIZE,  TOOL_BUTTON_PLAYER_YSIZE,
+    TOOL_CTRL_ID_PLAYER_4,
+    "player 4"
+  }
+};
+
+void CreateToolButtons()
+{
+  int i;
+
+  for (i = 0; i < NUM_TOOL_BUTTONS; i++)
+  {
+    Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
+    Bitmap *deco_bitmap = None;
+    int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
+    struct GadgetInfo *gi;
+    unsigned long event_mask;
+    int gd_xoffset, gd_yoffset;
+    int gd_x1, gd_x2, gd_y;
+    int id = i;
+
+    event_mask = GD_EVENT_RELEASED;
+
+    gd_xoffset = toolbutton_info[i].xpos;
+    gd_yoffset = toolbutton_info[i].ypos;
+    gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
+    gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
+    gd_y = DOOR_GFX_PAGEY1 + gd_yoffset;
+
+    if (id >= TOOL_CTRL_ID_PLAYER_1 && id <= TOOL_CTRL_ID_PLAYER_4)
+    {
+      int player_nr = id - TOOL_CTRL_ID_PLAYER_1;
+
+      getMiniGraphicSource(PLAYER_NR_GFX(IMG_PLAYER_1, player_nr),
+                          &deco_bitmap, &deco_x, &deco_y);
+      deco_xpos = (toolbutton_info[i].width - MINI_TILEX) / 2;
+      deco_ypos = (toolbutton_info[i].height - MINI_TILEY) / 2;
+    }
+
+    gi = CreateGadget(GDI_CUSTOM_ID, id,
+                     GDI_INFO_TEXT, toolbutton_info[i].infotext,
+                     GDI_X, DX + toolbutton_info[i].x,
+                     GDI_Y, DY + toolbutton_info[i].y,
+                     GDI_WIDTH, toolbutton_info[i].width,
+                     GDI_HEIGHT, toolbutton_info[i].height,
+                     GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
+                     GDI_STATE, GD_BUTTON_UNPRESSED,
+                     GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
+                     GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
+                     GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
+                     GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
+                     GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
+                     GDI_DECORATION_SHIFTING, 1, 1,
+                     GDI_DIRECT_DRAW, FALSE,
+                     GDI_EVENT_MASK, event_mask,
+                     GDI_CALLBACK_ACTION, HandleToolButtons,
+                     GDI_END);
+
+    if (gi == NULL)
+      Error(ERR_EXIT, "cannot create gadget");
+
+    tool_gadget[id] = gi;
+  }
+}
+
+void FreeToolButtons()
+{
+  int i;
+
+  for (i = 0; i < NUM_TOOL_BUTTONS; i++)
+    FreeGadget(tool_gadget[i]);
+}
+
+static void UnmapToolButtons()
+{
+  int i;
+
+  for (i = 0; i < NUM_TOOL_BUTTONS; i++)
+    UnmapGadget(tool_gadget[i]);
+}
+
+static void HandleToolButtons(struct GadgetInfo *gi)
+{
+  request_gadget_id = gi->custom_id;
+}
+
+static struct Mapping_EM_to_RND_object
+{
+  int element_em;
+  boolean is_rnd_to_em_mapping;                /* unique mapping EM <-> RND */
+  boolean is_backside;                 /* backside of moving element */
+
+  int element_rnd;
+  int action;
+  int direction;
+}
+em_object_mapping_list[] =
+{
+  {
+    Xblank,                            TRUE,   FALSE,
+    EL_EMPTY,                          -1, -1
+  },
+  {
+    Yacid_splash_eB,                   FALSE,  FALSE,
+    EL_ACID_SPLASH_RIGHT,              -1, -1
+  },
+  {
+    Yacid_splash_wB,                   FALSE,  FALSE,
+    EL_ACID_SPLASH_LEFT,               -1, -1
+  },
+
+#ifdef EM_ENGINE_BAD_ROLL
+  {
+    Xstone_force_e,                    FALSE,  FALSE,
+    EL_ROCK,                           -1, MV_BIT_RIGHT
+  },
+  {
+    Xstone_force_w,                    FALSE,  FALSE,
+    EL_ROCK,                           -1, MV_BIT_LEFT
+  },
+  {
+    Xnut_force_e,                      FALSE,  FALSE,
+    EL_NUT,                            -1, MV_BIT_RIGHT
+  },
+  {
+    Xnut_force_w,                      FALSE,  FALSE,
+    EL_NUT,                            -1, MV_BIT_LEFT
+  },
+  {
+    Xspring_force_e,                   FALSE,  FALSE,
+    EL_SPRING,                         -1, MV_BIT_RIGHT
+  },
+  {
+    Xspring_force_w,                   FALSE,  FALSE,
+    EL_SPRING,                         -1, MV_BIT_LEFT
+  },
+  {
+    Xemerald_force_e,                  FALSE,  FALSE,
+    EL_EMERALD,                                -1, MV_BIT_RIGHT
+  },
+  {
+    Xemerald_force_w,                  FALSE,  FALSE,
+    EL_EMERALD,                                -1, MV_BIT_LEFT
+  },
+  {
+    Xdiamond_force_e,                  FALSE,  FALSE,
+    EL_DIAMOND,                                -1, MV_BIT_RIGHT
+  },
+  {
+    Xdiamond_force_w,                  FALSE,  FALSE,
+    EL_DIAMOND,                                -1, MV_BIT_LEFT
+  },
+  {
+    Xbomb_force_e,                     FALSE,  FALSE,
+    EL_BOMB,                           -1, MV_BIT_RIGHT
+  },
+  {
+    Xbomb_force_w,                     FALSE,  FALSE,
+    EL_BOMB,                           -1, MV_BIT_LEFT
+  },
+#endif /* EM_ENGINE_BAD_ROLL */
+
+  {
+    Xstone,                            TRUE,   FALSE,
+    EL_ROCK,                           -1, -1
+  },
+  {
+    Xstone_pause,                      FALSE,  FALSE,
+    EL_ROCK,                           -1, -1
+  },
+  {
+    Xstone_fall,                       FALSE,  FALSE,
+    EL_ROCK,                           -1, -1
+  },
+  {
+    Ystone_s,                          FALSE,  FALSE,
+    EL_ROCK,                           ACTION_FALLING, -1
+  },
+  {
+    Ystone_sB,                         FALSE,  TRUE,
+    EL_ROCK,                           ACTION_FALLING, -1
+  },
+  {
+    Ystone_e,                          FALSE,  FALSE,
+    EL_ROCK,                           ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ystone_eB,                         FALSE,  TRUE,
+    EL_ROCK,                           ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ystone_w,                          FALSE,  FALSE,
+    EL_ROCK,                           ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Ystone_wB,                         FALSE,  TRUE,
+    EL_ROCK,                           ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Xnut,                              TRUE,   FALSE,
+    EL_NUT,                            -1, -1
+  },
+  {
+    Xnut_pause,                                FALSE,  FALSE,
+    EL_NUT,                            -1, -1
+  },
+  {
+    Xnut_fall,                         FALSE,  FALSE,
+    EL_NUT,                            -1, -1
+  },
+  {
+    Ynut_s,                            FALSE,  FALSE,
+    EL_NUT,                            ACTION_FALLING, -1
+  },
+  {
+    Ynut_sB,                           FALSE,  TRUE,
+    EL_NUT,                            ACTION_FALLING, -1
+  },
+  {
+    Ynut_e,                            FALSE,  FALSE,
+    EL_NUT,                            ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ynut_eB,                           FALSE,  TRUE,
+    EL_NUT,                            ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ynut_w,                            FALSE,  FALSE,
+    EL_NUT,                            ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Ynut_wB,                           FALSE,  TRUE,
+    EL_NUT,                            ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Xbug_n,                            TRUE,   FALSE,
+    EL_BUG_UP,                         -1, -1
+  },
+  {
+    Xbug_e,                            TRUE,   FALSE,
+    EL_BUG_RIGHT,                      -1, -1
+  },
+  {
+    Xbug_s,                            TRUE,   FALSE,
+    EL_BUG_DOWN,                       -1, -1
+  },
+  {
+    Xbug_w,                            TRUE,   FALSE,
+    EL_BUG_LEFT,                       -1, -1
+  },
+  {
+    Xbug_gon,                          FALSE,  FALSE,
+    EL_BUG_UP,                         -1, -1
+  },
+  {
+    Xbug_goe,                          FALSE,  FALSE,
+    EL_BUG_RIGHT,                      -1, -1
+  },
+  {
+    Xbug_gos,                          FALSE,  FALSE,
+    EL_BUG_DOWN,                       -1, -1
+  },
+  {
+    Xbug_gow,                          FALSE,  FALSE,
+    EL_BUG_LEFT,                       -1, -1
+  },
+  {
+    Ybug_n,                            FALSE,  FALSE,
+    EL_BUG,                            ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Ybug_nB,                           FALSE,  TRUE,
+    EL_BUG,                            ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Ybug_e,                            FALSE,  FALSE,
+    EL_BUG,                            ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ybug_eB,                           FALSE,  TRUE,
+    EL_BUG,                            ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ybug_s,                            FALSE,  FALSE,
+    EL_BUG,                            ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Ybug_sB,                           FALSE,  TRUE,
+    EL_BUG,                            ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Ybug_w,                            FALSE,  FALSE,
+    EL_BUG,                            ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Ybug_wB,                           FALSE,  TRUE,
+    EL_BUG,                            ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Ybug_w_n,                          FALSE,  FALSE,
+    EL_BUG,                            ACTION_TURNING_FROM_LEFT, MV_BIT_UP
+  },
+  {
+    Ybug_n_e,                          FALSE,  FALSE,
+    EL_BUG,                            ACTION_TURNING_FROM_UP, MV_BIT_RIGHT
+  },
+  {
+    Ybug_e_s,                          FALSE,  FALSE,
+    EL_BUG,                            ACTION_TURNING_FROM_RIGHT, MV_BIT_DOWN
+  },
+  {
+    Ybug_s_w,                          FALSE,  FALSE,
+    EL_BUG,                            ACTION_TURNING_FROM_DOWN, MV_BIT_LEFT
+  },
+  {
+    Ybug_e_n,                          FALSE,  FALSE,
+    EL_BUG,                            ACTION_TURNING_FROM_RIGHT, MV_BIT_UP
+  },
+  {
+    Ybug_s_e,                          FALSE,  FALSE,
+    EL_BUG,                            ACTION_TURNING_FROM_DOWN, MV_BIT_RIGHT
+  },
+  {
+    Ybug_w_s,                          FALSE,  FALSE,
+    EL_BUG,                            ACTION_TURNING_FROM_LEFT, MV_BIT_DOWN
+  },
+  {
+    Ybug_n_w,                          FALSE,  FALSE,
+    EL_BUG,                            ACTION_TURNING_FROM_UP, MV_BIT_LEFT
+  },
+  {
+    Ybug_stone,                                FALSE,  FALSE,
+    EL_BUG,                            ACTION_SMASHED_BY_ROCK, -1
+  },
+  {
+    Ybug_spring,                       FALSE,  FALSE,
+    EL_BUG,                            ACTION_SMASHED_BY_SPRING, -1
+  },
+  {
+    Xtank_n,                           TRUE,   FALSE,
+    EL_SPACESHIP_UP,                   -1, -1
+  },
+  {
+    Xtank_e,                           TRUE,   FALSE,
+    EL_SPACESHIP_RIGHT,                        -1, -1
+  },
+  {
+    Xtank_s,                           TRUE,   FALSE,
+    EL_SPACESHIP_DOWN,                 -1, -1
+  },
+  {
+    Xtank_w,                           TRUE,   FALSE,
+    EL_SPACESHIP_LEFT,                 -1, -1
+  },
+  {
+    Xtank_gon,                         FALSE,  FALSE,
+    EL_SPACESHIP_UP,                   -1, -1
+  },
+  {
+    Xtank_goe,                         FALSE,  FALSE,
+    EL_SPACESHIP_RIGHT,                        -1, -1
+  },
+  {
+    Xtank_gos,                         FALSE,  FALSE,
+    EL_SPACESHIP_DOWN,                 -1, -1
+  },
+  {
+    Xtank_gow,                         FALSE,  FALSE,
+    EL_SPACESHIP_LEFT,                 -1, -1
+  },
+  {
+    Ytank_n,                           FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Ytank_nB,                          FALSE,  TRUE,
+    EL_SPACESHIP,                      ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Ytank_e,                           FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_MOVING, MV_BIT_RIGHT
+  },
   {
-    Xblank,                            TRUE,   FALSE,
-    EL_EMPTY,                          -1, -1
+    Ytank_eB,                          FALSE,  TRUE,
+    EL_SPACESHIP,                      ACTION_MOVING, MV_BIT_RIGHT
   },
   {
-    Yacid_splash_eB,                   FALSE,  TRUE,
-    EL_ACID_SPLASH_RIGHT,              -1, -1
+    Ytank_s,                           FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_MOVING, MV_BIT_DOWN
   },
   {
-    Yacid_splash_wB,                   FALSE,  TRUE,
-    EL_ACID_SPLASH_LEFT,               -1, -1
+    Ytank_sB,                          FALSE,  TRUE,
+    EL_SPACESHIP,                      ACTION_MOVING, MV_BIT_DOWN
   },
-
-#ifdef EM_ENGINE_BAD_ROLL
   {
-    Xstone_force_e,                    FALSE,  FALSE,
-    EL_ROCK,                           -1, MV_BIT_RIGHT
+    Ytank_w,                           FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_MOVING, MV_BIT_LEFT
   },
   {
-    Xstone_force_w,                    FALSE,  FALSE,
-    EL_ROCK,                           -1, MV_BIT_LEFT
+    Ytank_wB,                          FALSE,  TRUE,
+    EL_SPACESHIP,                      ACTION_MOVING, MV_BIT_LEFT
   },
   {
-    Xnut_force_e,                      FALSE,  FALSE,
-    EL_NUT,                            -1, MV_BIT_RIGHT
+    Ytank_w_n,                         FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_TURNING_FROM_LEFT, MV_BIT_UP
   },
   {
-    Xnut_force_w,                      FALSE,  FALSE,
-    EL_NUT,                            -1, MV_BIT_LEFT
+    Ytank_n_e,                         FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_TURNING_FROM_UP, MV_BIT_RIGHT
   },
   {
-    Xspring_force_e,                   FALSE,  FALSE,
-    EL_SPRING,                         -1, MV_BIT_RIGHT
+    Ytank_e_s,                         FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_TURNING_FROM_RIGHT, MV_BIT_DOWN
   },
   {
-    Xspring_force_w,                   FALSE,  FALSE,
-    EL_SPRING,                         -1, MV_BIT_LEFT
+    Ytank_s_w,                         FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_TURNING_FROM_DOWN, MV_BIT_LEFT
   },
   {
-    Xemerald_force_e,                  FALSE,  FALSE,
-    EL_EMERALD,                                -1, MV_BIT_RIGHT
+    Ytank_e_n,                         FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_TURNING_FROM_RIGHT, MV_BIT_UP
   },
   {
-    Xemerald_force_w,                  FALSE,  FALSE,
-    EL_EMERALD,                                -1, MV_BIT_LEFT
+    Ytank_s_e,                         FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_TURNING_FROM_DOWN, MV_BIT_RIGHT
   },
   {
-    Xdiamond_force_e,                  FALSE,  FALSE,
-    EL_DIAMOND,                                -1, MV_BIT_RIGHT
+    Ytank_w_s,                         FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_TURNING_FROM_LEFT, MV_BIT_DOWN
   },
   {
-    Xdiamond_force_w,                  FALSE,  FALSE,
-    EL_DIAMOND,                                -1, MV_BIT_LEFT
+    Ytank_n_w,                         FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_TURNING_FROM_UP, MV_BIT_LEFT
   },
   {
-    Xbomb_force_e,                     FALSE,  FALSE,
-    EL_BOMB,                           -1, MV_BIT_RIGHT
+    Ytank_stone,                       FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_SMASHED_BY_ROCK, -1
   },
   {
-    Xbomb_force_w,                     FALSE,  FALSE,
-    EL_BOMB,                           -1, MV_BIT_LEFT
+    Ytank_spring,                      FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_SMASHED_BY_SPRING, -1
   },
-#endif /* EM_ENGINE_BAD_ROLL */
-
   {
-    Xstone,                            TRUE,   FALSE,
-    EL_ROCK,                           -1, -1
+    Xandroid,                          TRUE,   FALSE,
+    EL_EMC_ANDROID,                    ACTION_ACTIVE, -1
   },
   {
-    Xstone_pause,                      FALSE,  FALSE,
-    EL_ROCK,                           -1, -1
+    Xandroid_1_n,                      FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_UP
   },
   {
-    Xstone_fall,                       FALSE,  FALSE,
-    EL_ROCK,                           -1, -1
+    Xandroid_2_n,                      FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_UP
   },
   {
-    Ystone_s,                          FALSE,  FALSE,
-    EL_ROCK,                           ACTION_FALLING, -1
+    Xandroid_1_e,                      FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_RIGHT
   },
   {
-    Ystone_sB,                         FALSE,  TRUE,
-    EL_ROCK,                           ACTION_FALLING, -1
+    Xandroid_2_e,                      FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_RIGHT
   },
   {
-    Ystone_e,                          FALSE,  FALSE,
-    EL_ROCK,                           ACTION_MOVING, MV_BIT_RIGHT
+    Xandroid_1_w,                      FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_LEFT
   },
   {
-    Ystone_eB,                         FALSE,  TRUE,
-    EL_ROCK,                           ACTION_MOVING, MV_BIT_RIGHT
+    Xandroid_2_w,                      FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_LEFT
   },
   {
-    Ystone_w,                          FALSE,  FALSE,
-    EL_ROCK,                           ACTION_MOVING, MV_BIT_LEFT
+    Xandroid_1_s,                      FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_DOWN
   },
   {
-    Ystone_wB,                         FALSE,  TRUE,
-    EL_ROCK,                           ACTION_MOVING, MV_BIT_LEFT
+    Xandroid_2_s,                      FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_DOWN
   },
   {
-    Xnut,                              TRUE,   FALSE,
-    EL_NUT,                            -1, -1
+    Yandroid_n,                                FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_UP
   },
   {
-    Xnut_pause,                                FALSE,  FALSE,
-    EL_NUT,                            -1, -1
+    Yandroid_nB,                       FALSE,  TRUE,
+    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_UP
   },
   {
-    Xnut_fall,                         FALSE,  FALSE,
-    EL_NUT,                            -1, -1
+    Yandroid_ne,                       FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_GROWING, MV_BIT_UPRIGHT
   },
   {
-    Ynut_s,                            FALSE,  FALSE,
-    EL_NUT,                            ACTION_FALLING, -1
+    Yandroid_neB,                      FALSE,  TRUE,
+    EL_EMC_ANDROID,                    ACTION_SHRINKING, MV_BIT_UPRIGHT
   },
   {
-    Ynut_sB,                           FALSE,  TRUE,
-    EL_NUT,                            ACTION_FALLING, -1
+    Yandroid_e,                                FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_RIGHT
   },
   {
-    Ynut_e,                            FALSE,  FALSE,
-    EL_NUT,                            ACTION_MOVING, MV_BIT_RIGHT
+    Yandroid_eB,                       FALSE,  TRUE,
+    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_RIGHT
   },
   {
-    Ynut_eB,                           FALSE,  TRUE,
-    EL_NUT,                            ACTION_MOVING, MV_BIT_RIGHT
+    Yandroid_se,                       FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_GROWING, MV_BIT_DOWNRIGHT
   },
   {
-    Ynut_w,                            FALSE,  FALSE,
-    EL_NUT,                            ACTION_MOVING, MV_BIT_LEFT
+    Yandroid_seB,                      FALSE,  TRUE,
+    EL_EMC_ANDROID,                    ACTION_SHRINKING, MV_BIT_DOWNRIGHT
   },
   {
-    Ynut_wB,                           FALSE,  TRUE,
-    EL_NUT,                            ACTION_MOVING, MV_BIT_LEFT
+    Yandroid_s,                                FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_DOWN
   },
   {
-    Xbug_n,                            TRUE,   FALSE,
-    EL_BUG_UP,                         -1, -1
+    Yandroid_sB,                       FALSE,  TRUE,
+    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_DOWN
   },
   {
-    Xbug_e,                            TRUE,   FALSE,
-    EL_BUG_RIGHT,                      -1, -1
+    Yandroid_sw,                       FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_GROWING, MV_BIT_DOWNLEFT
   },
   {
-    Xbug_s,                            TRUE,   FALSE,
-    EL_BUG_DOWN,                       -1, -1
+    Yandroid_swB,                      FALSE,  TRUE,
+    EL_EMC_ANDROID,                    ACTION_SHRINKING, MV_BIT_DOWNLEFT
   },
   {
-    Xbug_w,                            TRUE,   FALSE,
-    EL_BUG_LEFT,                       -1, -1
+    Yandroid_w,                                FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_LEFT
   },
   {
-    Xbug_gon,                          FALSE,  FALSE,
-    EL_BUG_UP,                         -1, -1
+    Yandroid_wB,                       FALSE,  TRUE,
+    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_LEFT
   },
   {
-    Xbug_goe,                          FALSE,  FALSE,
-    EL_BUG_RIGHT,                      -1, -1
+    Yandroid_nw,                       FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_GROWING, MV_BIT_UPLEFT
   },
   {
-    Xbug_gos,                          FALSE,  FALSE,
-    EL_BUG_DOWN,                       -1, -1
+    Yandroid_nwB,                      FALSE,  TRUE,
+    EL_EMC_ANDROID,                    ACTION_SHRINKING, MV_BIT_UPLEFT
   },
   {
-    Xbug_gow,                          FALSE,  FALSE,
-    EL_BUG_LEFT,                       -1, -1
+    Xspring,                           TRUE,   FALSE,
+    EL_SPRING,                         -1, -1
   },
   {
-    Ybug_n,                            FALSE,  FALSE,
-    EL_BUG,                            ACTION_MOVING, MV_BIT_UP
+    Xspring_pause,                     FALSE,  FALSE,
+    EL_SPRING,                         -1, -1
   },
   {
-    Ybug_nB,                           FALSE,  TRUE,
-    EL_BUG,                            ACTION_MOVING, MV_BIT_UP
+    Xspring_e,                         FALSE,  FALSE,
+    EL_SPRING,                         -1, -1
   },
   {
-    Ybug_e,                            FALSE,  FALSE,
-    EL_BUG,                            ACTION_MOVING, MV_BIT_RIGHT
+    Xspring_w,                         FALSE,  FALSE,
+    EL_SPRING,                         -1, -1
   },
   {
-    Ybug_eB,                           FALSE,  TRUE,
-    EL_BUG,                            ACTION_MOVING, MV_BIT_RIGHT
+    Xspring_fall,                      FALSE,  FALSE,
+    EL_SPRING,                         -1, -1
   },
   {
-    Ybug_s,                            FALSE,  FALSE,
-    EL_BUG,                            ACTION_MOVING, MV_BIT_DOWN
+    Yspring_s,                         FALSE,  FALSE,
+    EL_SPRING,                         ACTION_FALLING, -1
   },
   {
-    Ybug_sB,                           FALSE,  TRUE,
-    EL_BUG,                            ACTION_MOVING, MV_BIT_DOWN
+    Yspring_sB,                                FALSE,  TRUE,
+    EL_SPRING,                         ACTION_FALLING, -1
   },
   {
-    Ybug_w,                            FALSE,  FALSE,
-    EL_BUG,                            ACTION_MOVING, MV_BIT_LEFT
+    Yspring_e,                         FALSE,  FALSE,
+    EL_SPRING,                         ACTION_MOVING, MV_BIT_RIGHT
   },
   {
-    Ybug_wB,                           FALSE,  TRUE,
-    EL_BUG,                            ACTION_MOVING, MV_BIT_LEFT
+    Yspring_eB,                                FALSE,  TRUE,
+    EL_SPRING,                         ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yspring_w,                         FALSE,  FALSE,
+    EL_SPRING,                         ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Yspring_wB,                                FALSE,  TRUE,
+    EL_SPRING,                         ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Yspring_kill_e,                    FALSE,  FALSE,
+    EL_SPRING,                         ACTION_EATING, MV_BIT_RIGHT
+  },
+  {
+    Yspring_kill_eB,                   FALSE,  TRUE,
+    EL_SPRING,                         ACTION_EATING, MV_BIT_RIGHT
+  },
+  {
+    Yspring_kill_w,                    FALSE,  FALSE,
+    EL_SPRING,                         ACTION_EATING, MV_BIT_LEFT
+  },
+  {
+    Yspring_kill_wB,                   FALSE,  TRUE,
+    EL_SPRING,                         ACTION_EATING, MV_BIT_LEFT
+  },
+  {
+    Xeater_n,                          TRUE,   FALSE,
+    EL_YAMYAM_UP,                      -1, -1
+  },
+  {
+    Xeater_e,                          TRUE,   FALSE,
+    EL_YAMYAM_RIGHT,                   -1, -1
+  },
+  {
+    Xeater_w,                          TRUE,   FALSE,
+    EL_YAMYAM_LEFT,                    -1, -1
+  },
+  {
+    Xeater_s,                          TRUE,   FALSE,
+    EL_YAMYAM_DOWN,                    -1, -1
+  },
+  {
+    Yeater_n,                          FALSE,  FALSE,
+    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Yeater_nB,                         FALSE,  TRUE,
+    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Yeater_e,                          FALSE,  FALSE,
+    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yeater_eB,                         FALSE,  TRUE,
+    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yeater_s,                          FALSE,  FALSE,
+    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Yeater_sB,                         FALSE,  TRUE,
+    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Yeater_w,                          FALSE,  FALSE,
+    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Yeater_wB,                         FALSE,  TRUE,
+    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Yeater_stone,                      FALSE,  FALSE,
+    EL_YAMYAM,                         ACTION_SMASHED_BY_ROCK, -1
   },
   {
-    Ybug_w_n,                          FALSE,  FALSE,
-    EL_BUG,                            ACTION_TURNING_FROM_LEFT, MV_BIT_UP
+    Yeater_spring,                     FALSE,  FALSE,
+    EL_YAMYAM,                         ACTION_SMASHED_BY_SPRING, -1
   },
   {
-    Ybug_n_e,                          FALSE,  FALSE,
-    EL_BUG,                            ACTION_TURNING_FROM_UP, MV_BIT_RIGHT
+    Xalien,                            TRUE,   FALSE,
+    EL_ROBOT,                          -1, -1
   },
   {
-    Ybug_e_s,                          FALSE,  FALSE,
-    EL_BUG,                            ACTION_TURNING_FROM_RIGHT, MV_BIT_DOWN
+    Xalien_pause,                      FALSE,  FALSE,
+    EL_ROBOT,                          -1, -1
   },
   {
-    Ybug_s_w,                          FALSE,  FALSE,
-    EL_BUG,                            ACTION_TURNING_FROM_DOWN, MV_BIT_LEFT
+    Yalien_n,                          FALSE,  FALSE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_UP
   },
   {
-    Ybug_e_n,                          FALSE,  FALSE,
-    EL_BUG,                            ACTION_TURNING_FROM_RIGHT, MV_BIT_UP
+    Yalien_nB,                         FALSE,  TRUE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_UP
   },
   {
-    Ybug_s_e,                          FALSE,  FALSE,
-    EL_BUG,                            ACTION_TURNING_FROM_DOWN, MV_BIT_RIGHT
+    Yalien_e,                          FALSE,  FALSE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_RIGHT
   },
   {
-    Ybug_w_s,                          FALSE,  FALSE,
-    EL_BUG,                            ACTION_TURNING_FROM_LEFT, MV_BIT_DOWN
+    Yalien_eB,                         FALSE,  TRUE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_RIGHT
   },
   {
-    Ybug_n_w,                          FALSE,  FALSE,
-    EL_BUG,                            ACTION_TURNING_FROM_UP, MV_BIT_LEFT
+    Yalien_s,                          FALSE,  FALSE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_DOWN
   },
   {
-    Ybug_stone,                                FALSE,  FALSE,
-    EL_BUG,                            ACTION_SMASHED_BY_ROCK, -1
+    Yalien_sB,                         FALSE,  TRUE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_DOWN
   },
   {
-    Ybug_spring,                       FALSE,  FALSE,
-    EL_BUG,                            ACTION_SMASHED_BY_SPRING, -1
+    Yalien_w,                          FALSE,  FALSE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_LEFT
   },
   {
-    Xtank_n,                           TRUE,   FALSE,
-    EL_SPACESHIP_UP,                   -1, -1
+    Yalien_wB,                         FALSE,  TRUE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_LEFT
   },
   {
-    Xtank_e,                           TRUE,   FALSE,
-    EL_SPACESHIP_RIGHT,                        -1, -1
+    Yalien_stone,                      FALSE,  FALSE,
+    EL_ROBOT,                          ACTION_SMASHED_BY_ROCK, -1
   },
   {
-    Xtank_s,                           TRUE,   FALSE,
-    EL_SPACESHIP_DOWN,                 -1, -1
+    Yalien_spring,                     FALSE,  FALSE,
+    EL_ROBOT,                          ACTION_SMASHED_BY_SPRING, -1
   },
   {
-    Xtank_w,                           TRUE,   FALSE,
-    EL_SPACESHIP_LEFT,                 -1, -1
+    Xemerald,                          TRUE,   FALSE,
+    EL_EMERALD,                                -1, -1
   },
   {
-    Xtank_gon,                         FALSE,  FALSE,
-    EL_SPACESHIP_UP,                   -1, -1
+    Xemerald_pause,                    FALSE,  FALSE,
+    EL_EMERALD,                                -1, -1
   },
   {
-    Xtank_goe,                         FALSE,  FALSE,
-    EL_SPACESHIP_RIGHT,                        -1, -1
+    Xemerald_fall,                     FALSE,  FALSE,
+    EL_EMERALD,                                -1, -1
   },
   {
-    Xtank_gos,                         FALSE,  FALSE,
-    EL_SPACESHIP_DOWN,                 -1, -1
+    Xemerald_shine,                    FALSE,  FALSE,
+    EL_EMERALD,                                ACTION_TWINKLING, -1
   },
   {
-    Xtank_gow,                         FALSE,  FALSE,
-    EL_SPACESHIP_LEFT,                 -1, -1
+    Yemerald_s,                                FALSE,  FALSE,
+    EL_EMERALD,                                ACTION_FALLING, -1
   },
   {
-    Ytank_n,                           FALSE,  FALSE,
-    EL_SPACESHIP,                      ACTION_MOVING, MV_BIT_UP
+    Yemerald_sB,                       FALSE,  TRUE,
+    EL_EMERALD,                                ACTION_FALLING, -1
   },
   {
-    Ytank_nB,                          FALSE,  TRUE,
-    EL_SPACESHIP,                      ACTION_MOVING, MV_BIT_UP
+    Yemerald_e,                                FALSE,  FALSE,
+    EL_EMERALD,                                ACTION_MOVING, MV_BIT_RIGHT
   },
   {
-    Ytank_e,                           FALSE,  FALSE,
-    EL_SPACESHIP,                      ACTION_MOVING, MV_BIT_RIGHT
+    Yemerald_eB,                       FALSE,  TRUE,
+    EL_EMERALD,                                ACTION_MOVING, MV_BIT_RIGHT
   },
   {
-    Ytank_eB,                          FALSE,  TRUE,
-    EL_SPACESHIP,                      ACTION_MOVING, MV_BIT_RIGHT
+    Yemerald_w,                                FALSE,  FALSE,
+    EL_EMERALD,                                ACTION_MOVING, MV_BIT_LEFT
   },
   {
-    Ytank_s,                           FALSE,  FALSE,
-    EL_SPACESHIP,                      ACTION_MOVING, MV_BIT_DOWN
+    Yemerald_wB,                       FALSE,  TRUE,
+    EL_EMERALD,                                ACTION_MOVING, MV_BIT_LEFT
   },
   {
-    Ytank_sB,                          FALSE,  TRUE,
-    EL_SPACESHIP,                      ACTION_MOVING, MV_BIT_DOWN
+    Yemerald_eat,                      FALSE,  FALSE,
+    EL_EMERALD,                                ACTION_COLLECTING, -1
   },
   {
-    Ytank_w,                           FALSE,  FALSE,
-    EL_SPACESHIP,                      ACTION_MOVING, MV_BIT_LEFT
+    Yemerald_stone,                    FALSE,  FALSE,
+    EL_NUT,                            ACTION_BREAKING, -1
   },
   {
-    Ytank_wB,                          FALSE,  TRUE,
-    EL_SPACESHIP,                      ACTION_MOVING, MV_BIT_LEFT
+    Xdiamond,                          TRUE,   FALSE,
+    EL_DIAMOND,                                -1, -1
   },
   {
-    Ytank_w_n,                         FALSE,  FALSE,
-    EL_SPACESHIP,                      ACTION_TURNING_FROM_LEFT, MV_BIT_UP
+    Xdiamond_pause,                    FALSE,  FALSE,
+    EL_DIAMOND,                                -1, -1
   },
   {
-    Ytank_n_e,                         FALSE,  FALSE,
-    EL_SPACESHIP,                      ACTION_TURNING_FROM_UP, MV_BIT_RIGHT
+    Xdiamond_fall,                     FALSE,  FALSE,
+    EL_DIAMOND,                                -1, -1
   },
   {
-    Ytank_e_s,                         FALSE,  FALSE,
-    EL_SPACESHIP,                      ACTION_TURNING_FROM_RIGHT, MV_BIT_DOWN
+    Xdiamond_shine,                    FALSE,  FALSE,
+    EL_DIAMOND,                                ACTION_TWINKLING, -1
   },
   {
-    Ytank_s_w,                         FALSE,  FALSE,
-    EL_SPACESHIP,                      ACTION_TURNING_FROM_DOWN, MV_BIT_LEFT
+    Ydiamond_s,                                FALSE,  FALSE,
+    EL_DIAMOND,                                ACTION_FALLING, -1
   },
   {
-    Ytank_e_n,                         FALSE,  FALSE,
-    EL_SPACESHIP,                      ACTION_TURNING_FROM_RIGHT, MV_BIT_UP
+    Ydiamond_sB,                       FALSE,  TRUE,
+    EL_DIAMOND,                                ACTION_FALLING, -1
   },
   {
-    Ytank_s_e,                         FALSE,  FALSE,
-    EL_SPACESHIP,                      ACTION_TURNING_FROM_DOWN, MV_BIT_RIGHT
+    Ydiamond_e,                                FALSE,  FALSE,
+    EL_DIAMOND,                                ACTION_MOVING, MV_BIT_RIGHT
   },
   {
-    Ytank_w_s,                         FALSE,  FALSE,
-    EL_SPACESHIP,                      ACTION_TURNING_FROM_LEFT, MV_BIT_DOWN
+    Ydiamond_eB,                       FALSE,  TRUE,
+    EL_DIAMOND,                                ACTION_MOVING, MV_BIT_RIGHT
   },
   {
-    Ytank_n_w,                         FALSE,  FALSE,
-    EL_SPACESHIP,                      ACTION_TURNING_FROM_UP, MV_BIT_LEFT
+    Ydiamond_w,                                FALSE,  FALSE,
+    EL_DIAMOND,                                ACTION_MOVING, MV_BIT_LEFT
   },
   {
-    Ytank_stone,                       FALSE,  FALSE,
-    EL_SPACESHIP,                      ACTION_SMASHED_BY_ROCK, -1
+    Ydiamond_wB,                       FALSE,  TRUE,
+    EL_DIAMOND,                                ACTION_MOVING, MV_BIT_LEFT
   },
   {
-    Ytank_spring,                      FALSE,  FALSE,
-    EL_SPACESHIP,                      ACTION_SMASHED_BY_SPRING, -1
+    Ydiamond_eat,                      FALSE,  FALSE,
+    EL_DIAMOND,                                ACTION_COLLECTING, -1
   },
   {
-    Xandroid,                          TRUE,   FALSE,
-    EL_EMC_ANDROID,                    ACTION_ACTIVE, -1
+    Ydiamond_stone,                    FALSE,  FALSE,
+    EL_DIAMOND,                                ACTION_SMASHED_BY_ROCK, -1
   },
   {
-    Xandroid_1_n,                      FALSE,  FALSE,
-    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_UP
+    Xdrip_fall,                                TRUE,   FALSE,
+    EL_AMOEBA_DROP,                    -1, -1
   },
   {
-    Xandroid_2_n,                      FALSE,  FALSE,
-    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_UP
+    Xdrip_stretch,                     FALSE,  FALSE,
+    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
   },
   {
-    Xandroid_1_e,                      FALSE,  FALSE,
-    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_RIGHT
+    Xdrip_stretchB,                    FALSE,  TRUE,
+    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
   },
   {
-    Xandroid_2_e,                      FALSE,  FALSE,
-    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_RIGHT
+    Xdrip_eat,                         FALSE,  FALSE,
+    EL_AMOEBA_DROP,                    ACTION_GROWING, -1
   },
   {
-    Xandroid_1_w,                      FALSE,  FALSE,
-    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_LEFT
+    Ydrip_s1,                          FALSE,  FALSE,
+    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
   },
   {
-    Xandroid_2_w,                      FALSE,  FALSE,
-    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_LEFT
+    Ydrip_s1B,                         FALSE,  TRUE,
+    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
   },
   {
-    Xandroid_1_s,                      FALSE,  FALSE,
-    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_DOWN
+    Ydrip_s2,                          FALSE,  FALSE,
+    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
   },
   {
-    Xandroid_2_s,                      FALSE,  FALSE,
-    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_DOWN
+    Ydrip_s2B,                         FALSE,  TRUE,
+    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
   },
   {
-    Yandroid_n,                                FALSE,  FALSE,
-    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_UP
+    Xbomb,                             TRUE,   FALSE,
+    EL_BOMB,                           -1, -1
   },
   {
-    Yandroid_nB,                       FALSE,  TRUE,
-    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_UP
+    Xbomb_pause,                       FALSE,  FALSE,
+    EL_BOMB,                           -1, -1
   },
   {
-    Yandroid_ne,                       FALSE,  FALSE,
-    EL_EMC_ANDROID,                    ACTION_TURNING_FROM_UP, MV_BIT_RIGHT
+    Xbomb_fall,                                FALSE,  FALSE,
+    EL_BOMB,                           -1, -1
   },
   {
-    Yandroid_neB,                      FALSE,  TRUE,
-    EL_EMC_ANDROID,                    ACTION_TURNING_FROM_UP, MV_BIT_RIGHT
+    Ybomb_s,                           FALSE,  FALSE,
+    EL_BOMB,                           ACTION_FALLING, -1
   },
   {
-    Yandroid_e,                                FALSE,  FALSE,
-    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_RIGHT
+    Ybomb_sB,                          FALSE,  TRUE,
+    EL_BOMB,                           ACTION_FALLING, -1
   },
   {
-    Yandroid_eB,                       FALSE,  TRUE,
-    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_RIGHT
+    Ybomb_e,                           FALSE,  FALSE,
+    EL_BOMB,                           ACTION_MOVING, MV_BIT_RIGHT
   },
   {
-    Yandroid_se,                       FALSE,  FALSE,
-    EL_EMC_ANDROID,                    ACTION_TURNING_FROM_DOWN, MV_BIT_RIGHT
+    Ybomb_eB,                          FALSE,  TRUE,
+    EL_BOMB,                           ACTION_MOVING, MV_BIT_RIGHT
   },
   {
-    Yandroid_seB,                      FALSE,  TRUE,
-    EL_EMC_ANDROID,                    ACTION_TURNING_FROM_DOWN, MV_BIT_RIGHT
+    Ybomb_w,                           FALSE,  FALSE,
+    EL_BOMB,                           ACTION_MOVING, MV_BIT_LEFT
   },
   {
-    Yandroid_s,                                FALSE,  FALSE,
-    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_DOWN
+    Ybomb_wB,                          FALSE,  TRUE,
+    EL_BOMB,                           ACTION_MOVING, MV_BIT_LEFT
   },
   {
-    Yandroid_sB,                       FALSE,  TRUE,
-    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_DOWN
+    Ybomb_eat,                         FALSE,  FALSE,
+    EL_BOMB,                           ACTION_ACTIVATING, -1
   },
   {
-    Yandroid_sw,                       FALSE,  FALSE,
-    EL_EMC_ANDROID,                    ACTION_TURNING_FROM_DOWN, MV_BIT_LEFT
+    Xballoon,                          TRUE,   FALSE,
+    EL_BALLOON,                                -1, -1
   },
   {
-    Yandroid_swB,                      FALSE,  TRUE,
-    EL_EMC_ANDROID,                    ACTION_TURNING_FROM_DOWN, MV_BIT_LEFT
+    Yballoon_n,                                FALSE,  FALSE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_UP
   },
   {
-    Yandroid_w,                                FALSE,  FALSE,
-    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_LEFT
+    Yballoon_nB,                       FALSE,  TRUE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_UP
   },
   {
-    Yandroid_wB,                       FALSE,  TRUE,
-    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_LEFT
+    Yballoon_e,                                FALSE,  FALSE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_RIGHT
   },
   {
-    Yandroid_nw,                       FALSE,  FALSE,
-    EL_EMC_ANDROID,                    ACTION_TURNING_FROM_UP, MV_BIT_LEFT
+    Yballoon_eB,                       FALSE,  TRUE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_RIGHT
   },
   {
-    Yandroid_nwB,                      FALSE,  TRUE,
-    EL_EMC_ANDROID,                    ACTION_TURNING_FROM_UP, MV_BIT_LEFT
+    Yballoon_s,                                FALSE,  FALSE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_DOWN
   },
   {
-    Xspring,                           TRUE,   FALSE,
-    EL_SPRING,                         -1, -1
+    Yballoon_sB,                       FALSE,  TRUE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_DOWN
   },
   {
-    Xspring_pause,                     FALSE,  FALSE,
-    EL_SPRING,                         -1, -1
+    Yballoon_w,                                FALSE,  FALSE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_LEFT
   },
   {
-    Xspring_e,                         FALSE,  FALSE,
-    EL_SPRING,                         -1, -1
+    Yballoon_wB,                       FALSE,  TRUE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_LEFT
   },
   {
-    Xspring_w,                         FALSE,  FALSE,
-    EL_SPRING,                         -1, -1
+    Xgrass,                            TRUE,   FALSE,
+    EL_EMC_GRASS,                      -1, -1
   },
   {
-    Xspring_fall,                      FALSE,  FALSE,
-    EL_SPRING,                         -1, -1
+    Ygrass_nB,                         FALSE,  FALSE,
+    EL_EMC_GRASS,                      ACTION_DIGGING, MV_BIT_UP
+  },
+  {
+    Ygrass_eB,                         FALSE,  FALSE,
+    EL_EMC_GRASS,                      ACTION_DIGGING, MV_BIT_RIGHT
   },
   {
-    Yspring_s,                         FALSE,  FALSE,
-    EL_SPRING,                         ACTION_FALLING, -1
+    Ygrass_sB,                         FALSE,  FALSE,
+    EL_EMC_GRASS,                      ACTION_DIGGING, MV_BIT_DOWN
   },
   {
-    Yspring_sB,                                FALSE,  TRUE,
-    EL_SPRING,                         ACTION_FALLING, -1
+    Ygrass_wB,                         FALSE,  FALSE,
+    EL_EMC_GRASS,                      ACTION_DIGGING, MV_BIT_LEFT
   },
   {
-    Yspring_e,                         FALSE,  FALSE,
-    EL_SPRING,                         ACTION_MOVING, MV_BIT_RIGHT
+    Xdirt,                             TRUE,   FALSE,
+    EL_SAND,                           -1, -1
   },
   {
-    Yspring_eB,                                FALSE,  TRUE,
-    EL_SPRING,                         ACTION_MOVING, MV_BIT_RIGHT
+    Ydirt_nB,                          FALSE,  FALSE,
+    EL_SAND,                           ACTION_DIGGING, MV_BIT_UP
   },
   {
-    Yspring_w,                         FALSE,  FALSE,
-    EL_SPRING,                         ACTION_MOVING, MV_BIT_LEFT
+    Ydirt_eB,                          FALSE,  FALSE,
+    EL_SAND,                           ACTION_DIGGING, MV_BIT_RIGHT
   },
   {
-    Yspring_wB,                                FALSE,  TRUE,
-    EL_SPRING,                         ACTION_MOVING, MV_BIT_LEFT
+    Ydirt_sB,                          FALSE,  FALSE,
+    EL_SAND,                           ACTION_DIGGING, MV_BIT_DOWN
   },
   {
-    Yspring_kill_e,                    FALSE,  FALSE,
-    EL_ROBOT,                          ACTION_SLURPED_BY_SPRING, MV_BIT_RIGHT
+    Ydirt_wB,                          FALSE,  FALSE,
+    EL_SAND,                           ACTION_DIGGING, MV_BIT_LEFT
   },
   {
-    Yspring_kill_eB,                   FALSE,  TRUE,
-    EL_ROBOT,                          ACTION_SLURPED_BY_SPRING, MV_BIT_RIGHT
+    Xacid_ne,                          TRUE,   FALSE,
+    EL_ACID_POOL_TOPRIGHT,             -1, -1
   },
   {
-    Yspring_kill_w,                    FALSE,  FALSE,
-    EL_ROBOT,                          ACTION_SLURPED_BY_SPRING, MV_BIT_LEFT
+    Xacid_se,                          TRUE,   FALSE,
+    EL_ACID_POOL_BOTTOMRIGHT,          -1, -1
   },
   {
-    Yspring_kill_wB,                   FALSE,  TRUE,
-    EL_ROBOT,                          ACTION_SLURPED_BY_SPRING, MV_BIT_LEFT
+    Xacid_s,                           TRUE,   FALSE,
+    EL_ACID_POOL_BOTTOM,               -1, -1
   },
   {
-    Xeater_n,                          TRUE,   FALSE,
-    EL_YAMYAM,                         -1, -1
+    Xacid_sw,                          TRUE,   FALSE,
+    EL_ACID_POOL_BOTTOMLEFT,           -1, -1
   },
   {
-    Xeater_e,                          FALSE,  FALSE,
-    EL_YAMYAM,                         -1, -1
+    Xacid_nw,                          TRUE,   FALSE,
+    EL_ACID_POOL_TOPLEFT,              -1, -1
   },
   {
-    Xeater_w,                          FALSE,  FALSE,
-    EL_YAMYAM,                         -1, -1
+    Xacid_1,                           TRUE,   FALSE,
+    EL_ACID,                           -1, -1
   },
   {
-    Xeater_s,                          FALSE,  FALSE,
-    EL_YAMYAM,                         -1, -1
+    Xacid_2,                           FALSE,  FALSE,
+    EL_ACID,                           -1, -1
   },
   {
-    Yeater_n,                          FALSE,  FALSE,
-    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_UP
+    Xacid_3,                           FALSE,  FALSE,
+    EL_ACID,                           -1, -1
   },
   {
-    Yeater_nB,                         FALSE,  TRUE,
-    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_UP
+    Xacid_4,                           FALSE,  FALSE,
+    EL_ACID,                           -1, -1
   },
   {
-    Yeater_e,                          FALSE,  FALSE,
-    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_RIGHT
+    Xacid_5,                           FALSE,  FALSE,
+    EL_ACID,                           -1, -1
   },
   {
-    Yeater_eB,                         FALSE,  TRUE,
-    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_RIGHT
+    Xacid_6,                           FALSE,  FALSE,
+    EL_ACID,                           -1, -1
   },
   {
-    Yeater_s,                          FALSE,  FALSE,
-    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_DOWN
+    Xacid_7,                           FALSE,  FALSE,
+    EL_ACID,                           -1, -1
   },
   {
-    Yeater_sB,                         FALSE,  TRUE,
-    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_DOWN
+    Xacid_8,                           FALSE,  FALSE,
+    EL_ACID,                           -1, -1
   },
   {
-    Yeater_w,                          FALSE,  FALSE,
-    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_LEFT
+    Xball_1,                           TRUE,   FALSE,
+    EL_EMC_MAGIC_BALL,                 -1, -1
   },
   {
-    Yeater_wB,                         FALSE,  TRUE,
-    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_LEFT
+    Xball_1B,                          FALSE,  FALSE,
+    EL_EMC_MAGIC_BALL,                 ACTION_ACTIVE, -1
   },
   {
-    Yeater_stone,                      FALSE,  FALSE,
-    EL_YAMYAM,                         ACTION_SMASHED_BY_ROCK, -1
+    Xball_2,                           FALSE,  FALSE,
+    EL_EMC_MAGIC_BALL,                 ACTION_ACTIVE, -1
   },
   {
-    Yeater_spring,                     FALSE,  FALSE,
-    EL_YAMYAM,                         ACTION_SMASHED_BY_SPRING, -1
+    Xball_2B,                          FALSE,  FALSE,
+    EL_EMC_MAGIC_BALL,                 ACTION_ACTIVE, -1
   },
   {
-    Xalien,                            TRUE,   FALSE,
-    EL_ROBOT,                          -1, -1
+    Yball_eat,                         FALSE,  FALSE,
+    EL_EMC_MAGIC_BALL,                 ACTION_DROPPING, -1
   },
   {
-    Xalien_pause,                      FALSE,  FALSE,
-    EL_ROBOT,                          -1, -1
+    Ykey_1_eat,                                FALSE,  FALSE,
+    EL_EM_KEY_1,                       ACTION_COLLECTING, -1
   },
   {
-    Yalien_n,                          FALSE,  FALSE,
-    EL_ROBOT,                          ACTION_MOVING, MV_BIT_UP
+    Ykey_2_eat,                                FALSE,  FALSE,
+    EL_EM_KEY_2,                       ACTION_COLLECTING, -1
   },
   {
-    Yalien_nB,                         FALSE,  TRUE,
-    EL_ROBOT,                          ACTION_MOVING, MV_BIT_UP
+    Ykey_3_eat,                                FALSE,  FALSE,
+    EL_EM_KEY_3,                       ACTION_COLLECTING, -1
   },
   {
-    Yalien_e,                          FALSE,  FALSE,
-    EL_ROBOT,                          ACTION_MOVING, MV_BIT_RIGHT
+    Ykey_4_eat,                                FALSE,  FALSE,
+    EL_EM_KEY_4,                       ACTION_COLLECTING, -1
   },
   {
-    Yalien_eB,                         FALSE,  TRUE,
-    EL_ROBOT,                          ACTION_MOVING, MV_BIT_RIGHT
+    Ykey_5_eat,                                FALSE,  FALSE,
+    EL_EMC_KEY_5,                      ACTION_COLLECTING, -1
   },
   {
-    Yalien_s,                          FALSE,  FALSE,
-    EL_ROBOT,                          ACTION_MOVING, MV_BIT_DOWN
+    Ykey_6_eat,                                FALSE,  FALSE,
+    EL_EMC_KEY_6,                      ACTION_COLLECTING, -1
   },
   {
-    Yalien_sB,                         FALSE,  TRUE,
-    EL_ROBOT,                          ACTION_MOVING, MV_BIT_DOWN
+    Ykey_7_eat,                                FALSE,  FALSE,
+    EL_EMC_KEY_7,                      ACTION_COLLECTING, -1
   },
   {
-    Yalien_w,                          FALSE,  FALSE,
-    EL_ROBOT,                          ACTION_MOVING, MV_BIT_LEFT
+    Ykey_8_eat,                                FALSE,  FALSE,
+    EL_EMC_KEY_8,                      ACTION_COLLECTING, -1
   },
   {
-    Yalien_wB,                         FALSE,  TRUE,
-    EL_ROBOT,                          ACTION_MOVING, MV_BIT_LEFT
+    Ylenses_eat,                       FALSE,  FALSE,
+    EL_EMC_LENSES,                     ACTION_COLLECTING, -1
   },
   {
-    Yalien_stone,                      FALSE,  FALSE,
-    EL_ROBOT,                          ACTION_SMASHED_BY_ROCK, -1
+    Ymagnify_eat,                      FALSE,  FALSE,
+    EL_EMC_MAGNIFIER,                  ACTION_COLLECTING, -1
   },
   {
-    Yalien_spring,                     FALSE,  FALSE,
-    EL_ROBOT,                          ACTION_SMASHED_BY_SPRING, -1
+    Ygrass_eat,                                FALSE,  FALSE,
+    EL_EMC_GRASS,                      ACTION_SNAPPING, -1
   },
   {
-    Xemerald,                          TRUE,   FALSE,
-    EL_EMERALD,                                -1, -1
+    Ydirt_eat,                         FALSE,  FALSE,
+    EL_SAND,                           ACTION_SNAPPING, -1
   },
   {
-    Xemerald_pause,                    FALSE,  FALSE,
-    EL_EMERALD,                                -1, -1
+    Xgrow_ns,                          TRUE,   FALSE,
+    EL_EXPANDABLE_WALL_VERTICAL,       -1, -1
   },
   {
-    Xemerald_fall,                     FALSE,  FALSE,
-    EL_EMERALD,                                -1, -1
+    Ygrow_ns_eat,                      FALSE,  FALSE,
+    EL_EXPANDABLE_WALL_VERTICAL,       ACTION_GROWING, -1
   },
   {
-    Xemerald_shine,                    FALSE,  FALSE,
-    EL_EMERALD,                                ACTION_TWINKLING, -1
+    Xgrow_ew,                          TRUE,   FALSE,
+    EL_EXPANDABLE_WALL_HORIZONTAL,     -1, -1
   },
   {
-    Yemerald_s,                                FALSE,  FALSE,
-    EL_EMERALD,                                ACTION_FALLING, -1
+    Ygrow_ew_eat,                      FALSE,  FALSE,
+    EL_EXPANDABLE_WALL_HORIZONTAL,     ACTION_GROWING, -1
   },
   {
-    Yemerald_sB,                       FALSE,  TRUE,
-    EL_EMERALD,                                ACTION_FALLING, -1
+    Xwonderwall,                       TRUE,   FALSE,
+    EL_MAGIC_WALL,                     -1, -1
   },
   {
-    Yemerald_e,                                FALSE,  FALSE,
-    EL_EMERALD,                                ACTION_MOVING, MV_BIT_RIGHT
+    XwonderwallB,                      FALSE,  FALSE,
+    EL_MAGIC_WALL,                     ACTION_ACTIVE, -1
   },
   {
-    Yemerald_eB,                       FALSE,  TRUE,
-    EL_EMERALD,                                ACTION_MOVING, MV_BIT_RIGHT
+    Xamoeba_1,                         TRUE,   FALSE,
+    EL_AMOEBA_DRY,                     ACTION_OTHER, -1
   },
   {
-    Yemerald_w,                                FALSE,  FALSE,
-    EL_EMERALD,                                ACTION_MOVING, MV_BIT_LEFT
+    Xamoeba_2,                         FALSE,  FALSE,
+    EL_AMOEBA_DRY,                     ACTION_OTHER, -1
   },
   {
-    Yemerald_wB,                       FALSE,  TRUE,
-    EL_EMERALD,                                ACTION_MOVING, MV_BIT_LEFT
+    Xamoeba_3,                         FALSE,  FALSE,
+    EL_AMOEBA_DRY,                     ACTION_OTHER, -1
   },
   {
-    Yemerald_eat,                      FALSE,  FALSE,
-    EL_EMERALD,                                ACTION_COLLECTING, -1
+    Xamoeba_4,                         FALSE,  FALSE,
+    EL_AMOEBA_DRY,                     ACTION_OTHER, -1
   },
   {
-    Yemerald_stone,                    FALSE,  FALSE,
-    EL_NUT,                            ACTION_BREAKING, -1
+    Xamoeba_5,                         TRUE,   FALSE,
+    EL_AMOEBA_WET,                     ACTION_OTHER, -1
   },
   {
-    Xdiamond,                          TRUE,   FALSE,
-    EL_DIAMOND,                                -1, -1
+    Xamoeba_6,                         FALSE,  FALSE,
+    EL_AMOEBA_WET,                     ACTION_OTHER, -1
   },
   {
-    Xdiamond_pause,                    FALSE,  FALSE,
-    EL_DIAMOND,                                -1, -1
+    Xamoeba_7,                         FALSE,  FALSE,
+    EL_AMOEBA_WET,                     ACTION_OTHER, -1
   },
   {
-    Xdiamond_fall,                     FALSE,  FALSE,
-    EL_DIAMOND,                                -1, -1
+    Xamoeba_8,                         FALSE,  FALSE,
+    EL_AMOEBA_WET,                     ACTION_OTHER, -1
   },
   {
-    Xdiamond_shine,                    FALSE,  FALSE,
-    EL_DIAMOND,                                ACTION_TWINKLING, -1
+    Xdoor_1,                           TRUE,   FALSE,
+    EL_EM_GATE_1,                      -1, -1
   },
   {
-    Ydiamond_s,                                FALSE,  FALSE,
-    EL_DIAMOND,                                ACTION_FALLING, -1
+    Xdoor_2,                           TRUE,   FALSE,
+    EL_EM_GATE_2,                      -1, -1
   },
   {
-    Ydiamond_sB,                       FALSE,  TRUE,
-    EL_DIAMOND,                                ACTION_FALLING, -1
+    Xdoor_3,                           TRUE,   FALSE,
+    EL_EM_GATE_3,                      -1, -1
   },
   {
-    Ydiamond_e,                                FALSE,  FALSE,
-    EL_DIAMOND,                                ACTION_MOVING, MV_BIT_RIGHT
+    Xdoor_4,                           TRUE,   FALSE,
+    EL_EM_GATE_4,                      -1, -1
   },
   {
-    Ydiamond_eB,                       FALSE,  TRUE,
-    EL_DIAMOND,                                ACTION_MOVING, MV_BIT_RIGHT
+    Xdoor_5,                           TRUE,   FALSE,
+    EL_EMC_GATE_5,                     -1, -1
   },
   {
-    Ydiamond_w,                                FALSE,  FALSE,
-    EL_DIAMOND,                                ACTION_MOVING, MV_BIT_LEFT
+    Xdoor_6,                           TRUE,   FALSE,
+    EL_EMC_GATE_6,                     -1, -1
   },
   {
-    Ydiamond_wB,                       FALSE,  TRUE,
-    EL_DIAMOND,                                ACTION_MOVING, MV_BIT_LEFT
+    Xdoor_7,                           TRUE,   FALSE,
+    EL_EMC_GATE_7,                     -1, -1
   },
   {
-    Ydiamond_eat,                      FALSE,  FALSE,
-    EL_DIAMOND,                                ACTION_COLLECTING, -1
+    Xdoor_8,                           TRUE,   FALSE,
+    EL_EMC_GATE_8,                     -1, -1
   },
   {
-    Ydiamond_stone,                    FALSE,  FALSE,
-    EL_DIAMOND,                                ACTION_SMASHED_BY_ROCK, -1
+    Xkey_1,                            TRUE,   FALSE,
+    EL_EM_KEY_1,                       -1, -1
   },
   {
-    Xdrip_fall,                                TRUE,   FALSE,
-    EL_AMOEBA_DROP,                    -1, -1
+    Xkey_2,                            TRUE,   FALSE,
+    EL_EM_KEY_2,                       -1, -1
   },
   {
-    Xdrip_stretch,                     FALSE,  FALSE,
-    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
+    Xkey_3,                            TRUE,   FALSE,
+    EL_EM_KEY_3,                       -1, -1
   },
   {
-    Xdrip_stretchB,                    FALSE,  TRUE,
-    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
+    Xkey_4,                            TRUE,   FALSE,
+    EL_EM_KEY_4,                       -1, -1
   },
   {
-    Xdrip_eat,                         FALSE,  FALSE,
-    EL_AMOEBA_DROP,                    ACTION_GROWING, -1
+    Xkey_5,                            TRUE,   FALSE,
+    EL_EMC_KEY_5,                      -1, -1
   },
   {
-    Ydrip_s1,                          FALSE,  FALSE,
-    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
+    Xkey_6,                            TRUE,   FALSE,
+    EL_EMC_KEY_6,                      -1, -1
   },
   {
-    Ydrip_s1B,                         FALSE,  TRUE,
-    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
+    Xkey_7,                            TRUE,   FALSE,
+    EL_EMC_KEY_7,                      -1, -1
   },
   {
-    Ydrip_s2,                          FALSE,  FALSE,
-    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
+    Xkey_8,                            TRUE,   FALSE,
+    EL_EMC_KEY_8,                      -1, -1
   },
   {
-    Ydrip_s2B,                         FALSE,  TRUE,
-    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
+    Xwind_n,                           TRUE,   FALSE,
+    EL_BALLOON_SWITCH_UP,              -1, -1
   },
   {
-    Xbomb,                             TRUE,   FALSE,
-    EL_BOMB,                           -1, -1
+    Xwind_e,                           TRUE,   FALSE,
+    EL_BALLOON_SWITCH_RIGHT,           -1, -1
   },
   {
-    Xbomb_pause,                       FALSE,  FALSE,
-    EL_BOMB,                           -1, -1
+    Xwind_s,                           TRUE,   FALSE,
+    EL_BALLOON_SWITCH_DOWN,            -1, -1
   },
   {
-    Xbomb_fall,                                FALSE,  FALSE,
-    EL_BOMB,                           -1, -1
+    Xwind_w,                           TRUE,   FALSE,
+    EL_BALLOON_SWITCH_LEFT,            -1, -1
   },
   {
-    Ybomb_s,                           FALSE,  FALSE,
-    EL_BOMB,                           ACTION_FALLING, -1
+    Xwind_nesw,                                TRUE,   FALSE,
+    EL_BALLOON_SWITCH_ANY,             -1, -1
   },
   {
-    Ybomb_sB,                          FALSE,  TRUE,
-    EL_BOMB,                           ACTION_FALLING, -1
+    Xwind_stop,                                TRUE,   FALSE,
+    EL_BALLOON_SWITCH_NONE,            -1, -1
   },
   {
-    Ybomb_e,                           FALSE,  FALSE,
-    EL_BOMB,                           ACTION_MOVING, MV_BIT_RIGHT
+    Xexit,                             TRUE,   FALSE,
+    EL_EM_EXIT_CLOSED,                 -1, -1
   },
   {
-    Ybomb_eB,                          FALSE,  TRUE,
-    EL_BOMB,                           ACTION_MOVING, MV_BIT_RIGHT
+    Xexit_1,                           TRUE,   FALSE,
+    EL_EM_EXIT_OPEN,                   -1, -1
   },
   {
-    Ybomb_w,                           FALSE,  FALSE,
-    EL_BOMB,                           ACTION_MOVING, MV_BIT_LEFT
+    Xexit_2,                           FALSE,  FALSE,
+    EL_EM_EXIT_OPEN,                   -1, -1
   },
   {
-    Ybomb_wB,                          FALSE,  TRUE,
-    EL_BOMB,                           ACTION_MOVING, MV_BIT_LEFT
+    Xexit_3,                           FALSE,  FALSE,
+    EL_EM_EXIT_OPEN,                   -1, -1
   },
   {
-    Ybomb_eat,                         FALSE,  FALSE,
-    EL_BOMB,                           ACTION_SMASHED_BY_ROCK, -1
+    Xdynamite,                         TRUE,   FALSE,
+    EL_EM_DYNAMITE,                    -1, -1
   },
   {
-    Xballoon,                          TRUE,   FALSE,
-    EL_BALLOON,                                -1, -1
+    Ydynamite_eat,                     FALSE,  FALSE,
+    EL_EM_DYNAMITE,                    ACTION_COLLECTING, -1
   },
   {
-    Yballoon_n,                                FALSE,  FALSE,
-    EL_BALLOON,                                ACTION_MOVING, MV_BIT_UP
+    Xdynamite_1,                       TRUE,   FALSE,
+    EL_EM_DYNAMITE_ACTIVE,             -1, -1
   },
   {
-    Yballoon_nB,                       FALSE,  TRUE,
-    EL_BALLOON,                                ACTION_MOVING, MV_BIT_UP
+    Xdynamite_2,                       FALSE,  FALSE,
+    EL_EM_DYNAMITE_ACTIVE,             -1, -1
   },
   {
-    Yballoon_e,                                FALSE,  FALSE,
-    EL_BALLOON,                                ACTION_MOVING, MV_BIT_RIGHT
+    Xdynamite_3,                       FALSE,  FALSE,
+    EL_EM_DYNAMITE_ACTIVE,             -1, -1
   },
   {
-    Yballoon_eB,                       FALSE,  TRUE,
-    EL_BALLOON,                                ACTION_MOVING, MV_BIT_RIGHT
+    Xdynamite_4,                       FALSE,  FALSE,
+    EL_EM_DYNAMITE_ACTIVE,             -1, -1
   },
   {
-    Yballoon_s,                                FALSE,  FALSE,
-    EL_BALLOON,                                ACTION_MOVING, MV_BIT_DOWN
+    Xbumper,                           TRUE,   FALSE,
+    EL_EMC_SPRING_BUMPER,              -1, -1
   },
   {
-    Yballoon_sB,                       FALSE,  TRUE,
-    EL_BALLOON,                                ACTION_MOVING, MV_BIT_DOWN
+    XbumperB,                          FALSE,  FALSE,
+    EL_EMC_SPRING_BUMPER,              ACTION_ACTIVE, -1
   },
   {
-    Yballoon_w,                                FALSE,  FALSE,
-    EL_BALLOON,                                ACTION_MOVING, MV_BIT_LEFT
+    Xwheel,                            TRUE,   FALSE,
+    EL_ROBOT_WHEEL,                    -1, -1
   },
   {
-    Yballoon_wB,                       FALSE,  TRUE,
-    EL_BALLOON,                                ACTION_MOVING, MV_BIT_LEFT
+    XwheelB,                           FALSE,  FALSE,
+    EL_ROBOT_WHEEL,                    ACTION_ACTIVE, -1
   },
   {
-    Xgrass,                            TRUE,   FALSE,
-    EL_EMC_GRASS,                      -1, -1
+    Xswitch,                           TRUE,   FALSE,
+    EL_EMC_MAGIC_BALL_SWITCH,          -1, -1
   },
   {
-    Ygrass_nB,                         FALSE,  TRUE,
-    EL_EMC_GRASS,                      ACTION_DIGGING, MV_BIT_UP
+    XswitchB,                          FALSE,  FALSE,
+    EL_EMC_MAGIC_BALL_SWITCH,          ACTION_ACTIVE, -1
   },
   {
-    Ygrass_eB,                         FALSE,  TRUE,
-    EL_EMC_GRASS,                      ACTION_DIGGING, MV_BIT_RIGHT
+    Xsand,                             TRUE,   FALSE,
+    EL_QUICKSAND_EMPTY,                        -1, -1
   },
   {
-    Ygrass_sB,                         FALSE,  TRUE,
-    EL_EMC_GRASS,                      ACTION_DIGGING, MV_BIT_DOWN
+    Xsand_stone,                       TRUE,   FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
   },
   {
-    Ygrass_wB,                         FALSE,  TRUE,
-    EL_EMC_GRASS,                      ACTION_DIGGING, MV_BIT_LEFT
+    Xsand_stonein_1,                   FALSE,  TRUE,
+    EL_ROCK,                           ACTION_FILLING, -1
   },
   {
-    Xdirt,                             TRUE,   FALSE,
-    EL_SAND,                           -1, -1
+    Xsand_stonein_2,                   FALSE,  TRUE,
+    EL_ROCK,                           ACTION_FILLING, -1
   },
   {
-    Ydirt_nB,                          FALSE,  TRUE,
-    EL_SAND,                           ACTION_DIGGING, MV_BIT_UP
+    Xsand_stonein_3,                   FALSE,  TRUE,
+    EL_ROCK,                           ACTION_FILLING, -1
   },
   {
-    Ydirt_eB,                          FALSE,  TRUE,
-    EL_SAND,                           ACTION_DIGGING, MV_BIT_RIGHT
+    Xsand_stonein_4,                   FALSE,  TRUE,
+    EL_ROCK,                           ACTION_FILLING, -1
   },
+#if 1
   {
-    Ydirt_sB,                          FALSE,  TRUE,
-    EL_SAND,                           ACTION_DIGGING, MV_BIT_DOWN
+    Xsand_stonesand_1,                 FALSE,  FALSE,
+    EL_QUICKSAND_EMPTYING,             -1, -1
   },
   {
-    Ydirt_wB,                          FALSE,  TRUE,
-    EL_SAND,                           ACTION_DIGGING, MV_BIT_LEFT
+    Xsand_stonesand_2,                 FALSE,  FALSE,
+    EL_QUICKSAND_EMPTYING,             -1, -1
   },
   {
-    Xacid_ne,                          TRUE,   FALSE,
-    EL_ACID_POOL_TOPRIGHT,             -1, -1
+    Xsand_stonesand_3,                 FALSE,  FALSE,
+    EL_QUICKSAND_EMPTYING,             -1, -1
   },
   {
-    Xacid_se,                          TRUE,   FALSE,
-    EL_ACID_POOL_BOTTOMRIGHT,          -1, -1
+    Xsand_stonesand_4,                 FALSE,  FALSE,
+    EL_QUICKSAND_EMPTYING,             -1, -1
   },
   {
-    Xacid_s,                           TRUE,   FALSE,
-    EL_ACID_POOL_BOTTOM,               -1, -1
+    Xsand_stonesand_quickout_1,                FALSE,  FALSE,
+    EL_QUICKSAND_EMPTYING,             -1, -1
   },
   {
-    Xacid_sw,                          TRUE,   FALSE,
-    EL_ACID_POOL_BOTTOMLEFT,           -1, -1
+    Xsand_stonesand_quickout_2,                FALSE,  FALSE,
+    EL_QUICKSAND_EMPTYING,             -1, -1
   },
+#else
   {
-    Xacid_nw,                          TRUE,   FALSE,
-    EL_ACID_POOL_TOPLEFT,              -1, -1
+    Xsand_stonesand_1,                 FALSE,  FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
   },
   {
-    Xacid_1,                           TRUE,   FALSE,
-    EL_ACID,                           -1, -1
+    Xsand_stonesand_2,                 FALSE,  FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
   },
   {
-    Xacid_2,                           FALSE,  FALSE,
-    EL_ACID,                           -1, -1
+    Xsand_stonesand_3,                 FALSE,  FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
   },
   {
-    Xacid_3,                           FALSE,  FALSE,
-    EL_ACID,                           -1, -1
+    Xsand_stonesand_4,                 FALSE,  FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
   },
+#endif
   {
-    Xacid_4,                           FALSE,  FALSE,
-    EL_ACID,                           -1, -1
+    Xsand_stoneout_1,                  FALSE,  FALSE,
+    EL_ROCK,                           ACTION_EMPTYING, -1
   },
   {
-    Xacid_5,                           FALSE,  FALSE,
-    EL_ACID,                           -1, -1
+    Xsand_stoneout_2,                  FALSE,  FALSE,
+    EL_ROCK,                           ACTION_EMPTYING, -1
   },
+#if 1
   {
-    Xacid_6,                           FALSE,  FALSE,
-    EL_ACID,                           -1, -1
+    Xsand_sandstone_1,                 FALSE,  FALSE,
+    EL_QUICKSAND_FILLING,              -1, -1
   },
   {
-    Xacid_7,                           FALSE,  FALSE,
-    EL_ACID,                           -1, -1
+    Xsand_sandstone_2,                 FALSE,  FALSE,
+    EL_QUICKSAND_FILLING,              -1, -1
   },
   {
-    Xacid_8,                           FALSE,  FALSE,
-    EL_ACID,                           -1, -1
+    Xsand_sandstone_3,                 FALSE,  FALSE,
+    EL_QUICKSAND_FILLING,              -1, -1
   },
   {
-    Xball_1,                           TRUE,   FALSE,
-    EL_EMC_MAGIC_BALL,                 -1, -1
+    Xsand_sandstone_4,                 FALSE,  FALSE,
+    EL_QUICKSAND_FILLING,              -1, -1
   },
+#else
   {
-    Xball_1B,                          FALSE,  TRUE,
-    EL_EMC_MAGIC_BALL,                 ACTION_ACTIVE, -1
+    Xsand_sandstone_1,                 FALSE,  FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
   },
   {
-    Xball_2,                           FALSE,  FALSE,
-    EL_EMC_MAGIC_BALL,                 ACTION_ACTIVE, -1
+    Xsand_sandstone_2,                 FALSE,  FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
   },
   {
-    Xball_2B,                          FALSE,  TRUE,
-    EL_EMC_MAGIC_BALL,                 ACTION_ACTIVE, -1
+    Xsand_sandstone_3,                 FALSE,  FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
   },
   {
-    Yball_eat,                         FALSE,  FALSE,
-    EL_EMC_MAGIC_BALL,                 ACTION_DROPPING, -1
+    Xsand_sandstone_4,                 FALSE,  FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
   },
+#endif
   {
-    Xgrow_ns,                          TRUE,   FALSE,
-    EL_EXPANDABLE_WALL_VERTICAL,       -1, -1
+    Xplant,                            TRUE,   FALSE,
+    EL_EMC_PLANT,                      -1, -1
   },
   {
-    Ygrow_ns_eat,                      FALSE,  FALSE,
-    EL_EXPANDABLE_WALL_VERTICAL,       ACTION_GROWING, -1
+    Yplant,                            FALSE,  FALSE,
+    EL_EMC_PLANT,                      -1, -1
   },
   {
-    Xgrow_ew,                          TRUE,   FALSE,
-    EL_EXPANDABLE_WALL_HORIZONTAL,     -1, -1
+    Xlenses,                           TRUE,   FALSE,
+    EL_EMC_LENSES,                     -1, -1
   },
   {
-    Ygrow_ew_eat,                      FALSE,  FALSE,
-    EL_EXPANDABLE_WALL_HORIZONTAL,     ACTION_GROWING, -1
+    Xmagnify,                          TRUE,   FALSE,
+    EL_EMC_MAGNIFIER,                  -1, -1
   },
   {
-    Xwonderwall,                       TRUE,   FALSE,
-    EL_MAGIC_WALL,                     -1, -1
+    Xdripper,                          TRUE,   FALSE,
+    EL_EMC_DRIPPER,                    -1, -1
   },
   {
-    XwonderwallB,                      FALSE,  FALSE,
-    EL_MAGIC_WALL,                     ACTION_ACTIVE, -1
+    XdripperB,                         FALSE,  FALSE,
+    EL_EMC_DRIPPER,                    ACTION_ACTIVE, -1
   },
   {
-    Xamoeba_1,                         TRUE,   FALSE,
-    EL_AMOEBA_DRY,                     ACTION_OTHER, -1
+    Xfake_blank,                       TRUE,   FALSE,
+    EL_INVISIBLE_WALL,                 -1, -1
   },
   {
-    Xamoeba_2,                         FALSE,  FALSE,
-    EL_AMOEBA_DRY,                     ACTION_OTHER, -1
+    Xfake_blankB,                      FALSE,  FALSE,
+    EL_INVISIBLE_WALL,                 ACTION_ACTIVE, -1
   },
   {
-    Xamoeba_3,                         FALSE,  FALSE,
-    EL_AMOEBA_DRY,                     ACTION_OTHER, -1
+    Xfake_grass,                       TRUE,   FALSE,
+    EL_EMC_FAKE_GRASS,                 -1, -1
   },
   {
-    Xamoeba_4,                         FALSE,  FALSE,
-    EL_AMOEBA_DRY,                     ACTION_OTHER, -1
+    Xfake_grassB,                      FALSE,  FALSE,
+    EL_EMC_FAKE_GRASS,                 ACTION_ACTIVE, -1
   },
   {
-    Xamoeba_5,                         FALSE,  FALSE,
-    EL_AMOEBA_WET,                     ACTION_OTHER, -1
+    Xfake_door_1,                      TRUE,   FALSE,
+    EL_EM_GATE_1_GRAY,                 -1, -1
   },
   {
-    Xamoeba_6,                         FALSE,  FALSE,
-    EL_AMOEBA_WET,                     ACTION_OTHER, -1
+    Xfake_door_2,                      TRUE,   FALSE,
+    EL_EM_GATE_2_GRAY,                 -1, -1
   },
   {
-    Xamoeba_7,                         FALSE,  FALSE,
-    EL_AMOEBA_WET,                     ACTION_OTHER, -1
+    Xfake_door_3,                      TRUE,   FALSE,
+    EL_EM_GATE_3_GRAY,                 -1, -1
   },
   {
-    Xamoeba_8,                         FALSE,  FALSE,
-    EL_AMOEBA_WET,                     ACTION_OTHER, -1
+    Xfake_door_4,                      TRUE,   FALSE,
+    EL_EM_GATE_4_GRAY,                 -1, -1
   },
   {
-    Xdoor_1,                           TRUE,   FALSE,
-    EL_EM_GATE_1,                      -1, -1
+    Xfake_door_5,                      TRUE,   FALSE,
+    EL_EMC_GATE_5_GRAY,                        -1, -1
   },
   {
-    Xdoor_2,                           TRUE,   FALSE,
-    EL_EM_GATE_2,                      -1, -1
+    Xfake_door_6,                      TRUE,   FALSE,
+    EL_EMC_GATE_6_GRAY,                        -1, -1
   },
   {
-    Xdoor_3,                           TRUE,   FALSE,
-    EL_EM_GATE_3,                      -1, -1
+    Xfake_door_7,                      TRUE,   FALSE,
+    EL_EMC_GATE_7_GRAY,                        -1, -1
   },
   {
-    Xdoor_4,                           TRUE,   FALSE,
-    EL_EM_GATE_4,                      -1, -1
+    Xfake_door_8,                      TRUE,   FALSE,
+    EL_EMC_GATE_8_GRAY,                        -1, -1
   },
   {
-    Xdoor_5,                           TRUE,   FALSE,
-    EL_EM_GATE_5,                      -1, -1
+    Xfake_acid_1,                      TRUE,   FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
   },
   {
-    Xdoor_6,                           TRUE,   FALSE,
-    EL_EM_GATE_6,                      -1, -1
+    Xfake_acid_2,                      FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
   },
   {
-    Xdoor_7,                           TRUE,   FALSE,
-    EL_EM_GATE_7,                      -1, -1
+    Xfake_acid_3,                      FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
   },
   {
-    Xdoor_8,                           TRUE,   FALSE,
-    EL_EM_GATE_8,                      -1, -1
+    Xfake_acid_4,                      FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
   },
   {
-    Xkey_1,                            TRUE,   FALSE,
-    EL_EM_KEY_1,                       -1, -1
+    Xfake_acid_5,                      FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
   },
   {
-    Xkey_2,                            TRUE,   FALSE,
-    EL_EM_KEY_2,                       -1, -1
+    Xfake_acid_6,                      FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
   },
   {
-    Xkey_3,                            TRUE,   FALSE,
-    EL_EM_KEY_3,                       -1, -1
+    Xfake_acid_7,                      FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
   },
   {
-    Xkey_4,                            TRUE,   FALSE,
-    EL_EM_KEY_4,                       -1, -1
+    Xfake_acid_8,                      FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
   },
   {
-    Xkey_5,                            TRUE,   FALSE,
-    EL_EM_KEY_5,                       -1, -1
+    Xsteel_1,                          TRUE,   FALSE,
+    EL_STEELWALL,                      -1, -1
   },
   {
-    Xkey_6,                            TRUE,   FALSE,
-    EL_EM_KEY_6,                       -1, -1
+    Xsteel_2,                          TRUE,   FALSE,
+    EL_EMC_STEELWALL_2,                        -1, -1
   },
   {
-    Xkey_7,                            TRUE,   FALSE,
-    EL_EM_KEY_7,                       -1, -1
+    Xsteel_3,                          TRUE,   FALSE,
+    EL_EMC_STEELWALL_3,                        -1, -1
   },
   {
-    Xkey_8,                            TRUE,   FALSE,
-    EL_EM_KEY_8,                       -1, -1
+    Xsteel_4,                          TRUE,   FALSE,
+    EL_EMC_STEELWALL_4,                        -1, -1
   },
   {
-    Xwind_n,                           TRUE,   FALSE,
-    EL_BALLOON_SWITCH_UP,              -1, -1
+    Xwall_1,                           TRUE,   FALSE,
+    EL_WALL,                           -1, -1
   },
   {
-    Xwind_e,                           TRUE,   FALSE,
-    EL_BALLOON_SWITCH_RIGHT,           -1, -1
+    Xwall_2,                           TRUE,   FALSE,
+    EL_EMC_WALL_14,                    -1, -1
   },
   {
-    Xwind_s,                           TRUE,   FALSE,
-    EL_BALLOON_SWITCH_DOWN,            -1, -1
+    Xwall_3,                           TRUE,   FALSE,
+    EL_EMC_WALL_15,                    -1, -1
   },
   {
-    Xwind_w,                           TRUE,   FALSE,
-    EL_BALLOON_SWITCH_LEFT,            -1, -1
+    Xwall_4,                           TRUE,   FALSE,
+    EL_EMC_WALL_16,                    -1, -1
   },
   {
-    Xwind_nesw,                                TRUE,   FALSE,
-    EL_BALLOON_SWITCH_ANY,             -1, -1
+    Xround_wall_1,                     TRUE,   FALSE,
+    EL_WALL_SLIPPERY,                  -1, -1
   },
   {
-    Xwind_stop,                                TRUE,   FALSE,
-    EL_BALLOON_SWITCH_NONE,            -1, -1
+    Xround_wall_2,                     TRUE,   FALSE,
+    EL_EMC_WALL_SLIPPERY_2,            -1, -1
   },
   {
-    Xexit,                             TRUE,   FALSE,
-    EL_EXIT_CLOSED,                    -1, -1
+    Xround_wall_3,                     TRUE,   FALSE,
+    EL_EMC_WALL_SLIPPERY_3,            -1, -1
   },
   {
-    Xexit_1,                           TRUE,   FALSE,
-    EL_EXIT_OPEN,                      -1, -1
+    Xround_wall_4,                     TRUE,   FALSE,
+    EL_EMC_WALL_SLIPPERY_4,            -1, -1
   },
   {
-    Xexit_2,                           FALSE,  FALSE,
-    EL_EXIT_OPEN,                      -1, -1
+    Xdecor_1,                          TRUE,   FALSE,
+    EL_EMC_WALL_8,                     -1, -1
   },
   {
-    Xexit_3,                           FALSE,  FALSE,
-    EL_EXIT_OPEN,                      -1, -1
+    Xdecor_2,                          TRUE,   FALSE,
+    EL_EMC_WALL_6,                     -1, -1
   },
   {
-    Xdynamite,                         TRUE,   FALSE,
-    EL_DYNAMITE,                       -1, -1
+    Xdecor_3,                          TRUE,   FALSE,
+    EL_EMC_WALL_4,                     -1, -1
   },
   {
-    Ydynamite_eat,                     FALSE,  FALSE,
-    EL_DYNAMITE,                       ACTION_COLLECTING, -1
+    Xdecor_4,                          TRUE,   FALSE,
+    EL_EMC_WALL_7,                     -1, -1
   },
   {
-    Xdynamite_1,                       TRUE,   FALSE,
-    EL_DYNAMITE_ACTIVE,                        -1, -1
+    Xdecor_5,                          TRUE,   FALSE,
+    EL_EMC_WALL_5,                     -1, -1
   },
   {
-    Xdynamite_2,                       FALSE,  FALSE,
-    EL_DYNAMITE_ACTIVE,                        -1, -1
+    Xdecor_6,                          TRUE,   FALSE,
+    EL_EMC_WALL_9,                     -1, -1
   },
   {
-    Xdynamite_3,                       FALSE,  FALSE,
-    EL_DYNAMITE_ACTIVE,                        -1, -1
+    Xdecor_7,                          TRUE,   FALSE,
+    EL_EMC_WALL_10,                    -1, -1
   },
   {
-    Xdynamite_4,                       FALSE,  FALSE,
-    EL_DYNAMITE_ACTIVE,                        -1, -1
+    Xdecor_8,                          TRUE,   FALSE,
+    EL_EMC_WALL_1,                     -1, -1
   },
   {
-    Xbumper,                           TRUE,   FALSE,
-    EL_EMC_SPRING_BUMPER,              -1, -1
+    Xdecor_9,                          TRUE,   FALSE,
+    EL_EMC_WALL_2,                     -1, -1
   },
   {
-    XbumperB,                          FALSE,  FALSE,
-    EL_EMC_SPRING_BUMPER,              ACTION_ACTIVE, -1
+    Xdecor_10,                         TRUE,   FALSE,
+    EL_EMC_WALL_3,                     -1, -1
   },
   {
-    Xwheel,                            TRUE,   FALSE,
-    EL_ROBOT_WHEEL,                    -1, -1
+    Xdecor_11,                         TRUE,   FALSE,
+    EL_EMC_WALL_11,                    -1, -1
   },
   {
-    XwheelB,                           FALSE,  FALSE,
-    EL_ROBOT_WHEEL,                    ACTION_ACTIVE, -1
+    Xdecor_12,                         TRUE,   FALSE,
+    EL_EMC_WALL_12,                    -1, -1
   },
   {
-    Xswitch,                           TRUE,   FALSE,
-    EL_EMC_MAGIC_BALL_SWITCH,          -1, -1
+    Xalpha_0,                          TRUE,   FALSE,
+    EL_CHAR('0'),                      -1, -1
   },
   {
-    XswitchB,                          FALSE,  FALSE,
-    EL_EMC_MAGIC_BALL_SWITCH,          ACTION_ACTIVE, -1
+    Xalpha_1,                          TRUE,   FALSE,
+    EL_CHAR('1'),                      -1, -1
   },
   {
-    Xsand,                             TRUE,   FALSE,
-    EL_QUICKSAND_EMPTY,                        -1, -1
+    Xalpha_2,                          TRUE,   FALSE,
+    EL_CHAR('2'),                      -1, -1
   },
   {
-    Xsand_stone,                       TRUE,   FALSE,
-    EL_QUICKSAND_FULL,                 -1, -1
+    Xalpha_3,                          TRUE,   FALSE,
+    EL_CHAR('3'),                      -1, -1
   },
   {
-    Xsand_stonein_1,                   FALSE,  FALSE,
-    EL_ROCK,                           ACTION_FILLING, -1
+    Xalpha_4,                          TRUE,   FALSE,
+    EL_CHAR('4'),                      -1, -1
   },
   {
-    Xsand_stonein_2,                   FALSE,  FALSE,
-    EL_ROCK,                           ACTION_FILLING, -1
+    Xalpha_5,                          TRUE,   FALSE,
+    EL_CHAR('5'),                      -1, -1
   },
   {
-    Xsand_stonein_3,                   FALSE,  FALSE,
-    EL_ROCK,                           ACTION_FILLING, -1
+    Xalpha_6,                          TRUE,   FALSE,
+    EL_CHAR('6'),                      -1, -1
   },
   {
-    Xsand_stonein_4,                   FALSE,  FALSE,
-    EL_ROCK,                           ACTION_FILLING, -1
+    Xalpha_7,                          TRUE,   FALSE,
+    EL_CHAR('7'),                      -1, -1
   },
   {
-    Xsand_stonesand_1,                 FALSE,  FALSE,
-    EL_QUICKSAND_FULL,                 -1, -1
+    Xalpha_8,                          TRUE,   FALSE,
+    EL_CHAR('8'),                      -1, -1
   },
   {
-    Xsand_stonesand_2,                 FALSE,  FALSE,
-    EL_QUICKSAND_FULL,                 -1, -1
+    Xalpha_9,                          TRUE,   FALSE,
+    EL_CHAR('9'),                      -1, -1
   },
   {
-    Xsand_stonesand_3,                 FALSE,  FALSE,
-    EL_QUICKSAND_FULL,                 -1, -1
+    Xalpha_excla,                      TRUE,   FALSE,
+    EL_CHAR('!'),                      -1, -1
   },
   {
-    Xsand_stonesand_4,                 FALSE,  FALSE,
-    EL_QUICKSAND_FULL,                 -1, -1
+    Xalpha_quote,                      TRUE,   FALSE,
+    EL_CHAR('"'),                      -1, -1
   },
   {
-    Xsand_stoneout_1,                  FALSE,  FALSE,
-    EL_ROCK,                           ACTION_EMPTYING, -1
+    Xalpha_comma,                      TRUE,   FALSE,
+    EL_CHAR(','),                      -1, -1
   },
   {
-    Xsand_stoneout_2,                  FALSE,  FALSE,
-    EL_ROCK,                           ACTION_EMPTYING, -1
+    Xalpha_minus,                      TRUE,   FALSE,
+    EL_CHAR('-'),                      -1, -1
   },
   {
-    Xsand_sandstone_1,                 FALSE,  FALSE,
-    EL_QUICKSAND_FULL,                 -1, -1
+    Xalpha_perio,                      TRUE,   FALSE,
+    EL_CHAR('.'),                      -1, -1
   },
   {
-    Xsand_sandstone_2,                 FALSE,  FALSE,
-    EL_QUICKSAND_FULL,                 -1, -1
+    Xalpha_colon,                      TRUE,   FALSE,
+    EL_CHAR(':'),                      -1, -1
   },
   {
-    Xsand_sandstone_3,                 FALSE,  FALSE,
-    EL_QUICKSAND_FULL,                 -1, -1
+    Xalpha_quest,                      TRUE,   FALSE,
+    EL_CHAR('?'),                      -1, -1
   },
   {
-    Xsand_sandstone_4,                 FALSE,  FALSE,
-    EL_QUICKSAND_FULL,                 -1, -1
+    Xalpha_a,                          TRUE,   FALSE,
+    EL_CHAR('A'),                      -1, -1
   },
   {
-    Xplant,                            TRUE,   FALSE,
-    EL_EMC_PLANT,                      -1, -1
+    Xalpha_b,                          TRUE,   FALSE,
+    EL_CHAR('B'),                      -1, -1
   },
   {
-    Yplant,                            FALSE,  FALSE,
-    EL_EMC_PLANT,                      -1, -1
+    Xalpha_c,                          TRUE,   FALSE,
+    EL_CHAR('C'),                      -1, -1
   },
   {
-    Xlenses,                           TRUE,   FALSE,
-    EL_EMC_LENSES,                     -1, -1
+    Xalpha_d,                          TRUE,   FALSE,
+    EL_CHAR('D'),                      -1, -1
   },
   {
-    Xmagnify,                          TRUE,   FALSE,
-    EL_EMC_MAGNIFIER,                  -1, -1
+    Xalpha_e,                          TRUE,   FALSE,
+    EL_CHAR('E'),                      -1, -1
   },
   {
-    Xdripper,                          TRUE,   FALSE,
-    EL_EMC_DRIPPER,                    -1, -1
+    Xalpha_f,                          TRUE,   FALSE,
+    EL_CHAR('F'),                      -1, -1
   },
   {
-    XdripperB,                         FALSE,  FALSE,
-    EL_EMC_DRIPPER,                    ACTION_ACTIVE, -1
+    Xalpha_g,                          TRUE,   FALSE,
+    EL_CHAR('G'),                      -1, -1
   },
   {
-    Xfake_blank,                       TRUE,   FALSE,
-    EL_INVISIBLE_WALL,                 -1, -1
+    Xalpha_h,                          TRUE,   FALSE,
+    EL_CHAR('H'),                      -1, -1
   },
   {
-    Xfake_blankB,                      FALSE,  FALSE,
-    EL_INVISIBLE_WALL,                 ACTION_ACTIVE, -1
+    Xalpha_i,                          TRUE,   FALSE,
+    EL_CHAR('I'),                      -1, -1
   },
   {
-    Xfake_grass,                       TRUE,   FALSE,
-    EL_EMC_FAKE_GRASS,                 -1, -1
+    Xalpha_j,                          TRUE,   FALSE,
+    EL_CHAR('J'),                      -1, -1
   },
   {
-    Xfake_grassB,                      FALSE,  FALSE,
-    EL_EMC_FAKE_GRASS,                 ACTION_ACTIVE, -1
+    Xalpha_k,                          TRUE,   FALSE,
+    EL_CHAR('K'),                      -1, -1
   },
   {
-    Xfake_door_1,                      TRUE,   FALSE,
-    EL_EM_GATE_1_GRAY,                 -1, -1
+    Xalpha_l,                          TRUE,   FALSE,
+    EL_CHAR('L'),                      -1, -1
   },
   {
-    Xfake_door_2,                      TRUE,   FALSE,
-    EL_EM_GATE_2_GRAY,                 -1, -1
+    Xalpha_m,                          TRUE,   FALSE,
+    EL_CHAR('M'),                      -1, -1
   },
   {
-    Xfake_door_3,                      TRUE,   FALSE,
-    EL_EM_GATE_3_GRAY,                 -1, -1
+    Xalpha_n,                          TRUE,   FALSE,
+    EL_CHAR('N'),                      -1, -1
   },
   {
-    Xfake_door_4,                      TRUE,   FALSE,
-    EL_EM_GATE_4_GRAY,                 -1, -1
+    Xalpha_o,                          TRUE,   FALSE,
+    EL_CHAR('O'),                      -1, -1
   },
   {
-    Xfake_door_5,                      TRUE,   FALSE,
-    EL_EM_GATE_5_GRAY,                 -1, -1
+    Xalpha_p,                          TRUE,   FALSE,
+    EL_CHAR('P'),                      -1, -1
   },
   {
-    Xfake_door_6,                      TRUE,   FALSE,
-    EL_EM_GATE_6_GRAY,                 -1, -1
+    Xalpha_q,                          TRUE,   FALSE,
+    EL_CHAR('Q'),                      -1, -1
   },
   {
-    Xfake_door_7,                      TRUE,   FALSE,
-    EL_EM_GATE_7_GRAY,                 -1, -1
+    Xalpha_r,                          TRUE,   FALSE,
+    EL_CHAR('R'),                      -1, -1
   },
   {
-    Xfake_door_8,                      TRUE,   FALSE,
-    EL_EM_GATE_8_GRAY,                 -1, -1
+    Xalpha_s,                          TRUE,   FALSE,
+    EL_CHAR('S'),                      -1, -1
   },
   {
-    Xsteel_1,                          TRUE,   FALSE,
-    EL_STEELWALL,                      -1, -1
+    Xalpha_t,                          TRUE,   FALSE,
+    EL_CHAR('T'),                      -1, -1
   },
   {
-    Xsteel_2,                          TRUE,   FALSE,
-    EL_EMC_STEELWALL_2,                        -1, -1
+    Xalpha_u,                          TRUE,   FALSE,
+    EL_CHAR('U'),                      -1, -1
   },
   {
-    Xsteel_3,                          TRUE,   FALSE,
-    EL_EMC_STEELWALL_3,                        -1, -1
+    Xalpha_v,                          TRUE,   FALSE,
+    EL_CHAR('V'),                      -1, -1
   },
   {
-    Xsteel_4,                          TRUE,   FALSE,
-    EL_EMC_STEELWALL_4,                        -1, -1
+    Xalpha_w,                          TRUE,   FALSE,
+    EL_CHAR('W'),                      -1, -1
   },
   {
-    Xwall_1,                           TRUE,   FALSE,
-    EL_WALL,                           -1, -1
+    Xalpha_x,                          TRUE,   FALSE,
+    EL_CHAR('X'),                      -1, -1
   },
   {
-    Xwall_2,                           TRUE,   FALSE,
-    EL_EMC_WALL_14,                    -1, -1
+    Xalpha_y,                          TRUE,   FALSE,
+    EL_CHAR('Y'),                      -1, -1
   },
   {
-    Xwall_3,                           TRUE,   FALSE,
-    EL_EMC_WALL_15,                    -1, -1
+    Xalpha_z,                          TRUE,   FALSE,
+    EL_CHAR('Z'),                      -1, -1
   },
   {
-    Xwall_4,                           TRUE,   FALSE,
-    EL_EMC_WALL_16,                    -1, -1
+    Xalpha_arrow_e,                    TRUE,   FALSE,
+    EL_CHAR('>'),                      -1, -1
   },
   {
-    Xround_wall_1,                     TRUE,   FALSE,
-    EL_WALL_SLIPPERY,                  -1, -1
+    Xalpha_arrow_w,                    TRUE,   FALSE,
+    EL_CHAR('<'),                      -1, -1
   },
   {
-    Xround_wall_2,                     TRUE,   FALSE,
-    EL_EMC_WALL_SLIPPERY_2,            -1, -1
+    Xalpha_copyr,                      TRUE,   FALSE,
+    EL_CHAR('©'),                      -1, -1
   },
+
   {
-    Xround_wall_3,                     TRUE,   FALSE,
-    EL_EMC_WALL_SLIPPERY_3,            -1, -1
+    Xboom_bug,                         FALSE,  FALSE,
+    EL_BUG,                            ACTION_EXPLODING, -1
   },
   {
-    Xround_wall_4,                     TRUE,   FALSE,
-    EL_EMC_WALL_SLIPPERY_4,            -1, -1
+    Xboom_bomb,                                FALSE,  FALSE,
+    EL_BOMB,                           ACTION_EXPLODING, -1
   },
   {
-    Xdecor_1,                          TRUE,   FALSE,
-    EL_EMC_WALL_8,                     -1, -1
+    Xboom_android,                     FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_OTHER, -1
   },
   {
-    Xdecor_2,                          TRUE,   FALSE,
-    EL_EMC_WALL_6,                     -1, -1
+    Xboom_1,                           FALSE,  FALSE,
+    EL_DEFAULT,                                ACTION_EXPLODING, -1
   },
   {
-    Xdecor_3,                          TRUE,   FALSE,
-    EL_EMC_WALL_4,                     -1, -1
+    Xboom_2,                           FALSE,  FALSE,
+    EL_DEFAULT,                                ACTION_EXPLODING, -1
   },
   {
-    Xdecor_4,                          TRUE,   FALSE,
-    EL_EMC_WALL_7,                     -1, -1
+    Znormal,                           FALSE,  FALSE,
+    EL_EMPTY,                          -1, -1
   },
   {
-    Xdecor_5,                          TRUE,   FALSE,
-    EL_EMC_WALL_5,                     -1, -1
+    Zdynamite,                         FALSE,  FALSE,
+    EL_EMPTY,                          -1, -1
   },
   {
-    Xdecor_6,                          TRUE,   FALSE,
-    EL_EMC_WALL_9,                     -1, -1
+    Zplayer,                           FALSE,  FALSE,
+    EL_EMPTY,                          -1, -1
   },
   {
-    Xdecor_7,                          TRUE,   FALSE,
-    EL_EMC_WALL_10,                    -1, -1
+    ZBORDER,                           FALSE,  FALSE,
+    EL_EMPTY,                          -1, -1
   },
+
   {
-    Xdecor_8,                          TRUE,   FALSE,
-    EL_EMC_WALL_1,                     -1, -1
+    -1,                                        FALSE,  FALSE,
+    -1,                                        -1, -1
+  }
+};
+
+static struct Mapping_EM_to_RND_player
+{
+  int action_em;
+  int player_nr;
+
+  int element_rnd;
+  int action;
+  int direction;
+}
+em_player_mapping_list[] =
+{
+  {
+    SPR_walk + 0,                      0,
+    EL_PLAYER_1,                       ACTION_MOVING, MV_BIT_UP,
   },
   {
-    Xdecor_9,                          TRUE,   FALSE,
-    EL_EMC_WALL_2,                     -1, -1
+    SPR_walk + 1,                      0,
+    EL_PLAYER_1,                       ACTION_MOVING, MV_BIT_RIGHT,
   },
   {
-    Xdecor_10,                         TRUE,   FALSE,
-    EL_EMC_WALL_3,                     -1, -1
+    SPR_walk + 2,                      0,
+    EL_PLAYER_1,                       ACTION_MOVING, MV_BIT_DOWN,
   },
   {
-    Xdecor_11,                         TRUE,   FALSE,
-    EL_EMC_WALL_11,                    -1, -1
+    SPR_walk + 3,                      0,
+    EL_PLAYER_1,                       ACTION_MOVING, MV_BIT_LEFT,
   },
   {
-    Xdecor_12,                         TRUE,   FALSE,
-    EL_EMC_WALL_12,                    -1, -1
+    SPR_push + 0,                      0,
+    EL_PLAYER_1,                       ACTION_PUSHING, MV_BIT_UP,
   },
   {
-    Xalpha_0,                          TRUE,   FALSE,
-    EL_CHAR('0'),                      -1, -1
+    SPR_push + 1,                      0,
+    EL_PLAYER_1,                       ACTION_PUSHING, MV_BIT_RIGHT,
   },
   {
-    Xalpha_1,                          TRUE,   FALSE,
-    EL_CHAR('1'),                      -1, -1
+    SPR_push + 2,                      0,
+    EL_PLAYER_1,                       ACTION_PUSHING, MV_BIT_DOWN,
   },
   {
-    Xalpha_2,                          TRUE,   FALSE,
-    EL_CHAR('2'),                      -1, -1
+    SPR_push + 3,                      0,
+    EL_PLAYER_1,                       ACTION_PUSHING, MV_BIT_LEFT,
   },
   {
-    Xalpha_3,                          TRUE,   FALSE,
-    EL_CHAR('3'),                      -1, -1
+    SPR_spray + 0,                     0,
+    EL_PLAYER_1,                       ACTION_SNAPPING, MV_BIT_UP,
   },
   {
-    Xalpha_4,                          TRUE,   FALSE,
-    EL_CHAR('4'),                      -1, -1
+    SPR_spray + 1,                     0,
+    EL_PLAYER_1,                       ACTION_SNAPPING, MV_BIT_RIGHT,
   },
   {
-    Xalpha_5,                          TRUE,   FALSE,
-    EL_CHAR('5'),                      -1, -1
+    SPR_spray + 2,                     0,
+    EL_PLAYER_1,                       ACTION_SNAPPING, MV_BIT_DOWN,
   },
   {
-    Xalpha_6,                          TRUE,   FALSE,
-    EL_CHAR('6'),                      -1, -1
+    SPR_spray + 3,                     0,
+    EL_PLAYER_1,                       ACTION_SNAPPING, MV_BIT_LEFT,
   },
   {
-    Xalpha_7,                          TRUE,   FALSE,
-    EL_CHAR('7'),                      -1, -1
+    SPR_walk + 0,                      1,
+    EL_PLAYER_2,                       ACTION_MOVING, MV_BIT_UP,
   },
   {
-    Xalpha_8,                          TRUE,   FALSE,
-    EL_CHAR('8'),                      -1, -1
+    SPR_walk + 1,                      1,
+    EL_PLAYER_2,                       ACTION_MOVING, MV_BIT_RIGHT,
   },
   {
-    Xalpha_9,                          TRUE,   FALSE,
-    EL_CHAR('9'),                      -1, -1
+    SPR_walk + 2,                      1,
+    EL_PLAYER_2,                       ACTION_MOVING, MV_BIT_DOWN,
   },
   {
-    Xalpha_excla,                      TRUE,   FALSE,
-    EL_CHAR('!'),                      -1, -1
+    SPR_walk + 3,                      1,
+    EL_PLAYER_2,                       ACTION_MOVING, MV_BIT_LEFT,
   },
   {
-    Xalpha_quote,                      TRUE,   FALSE,
-    EL_CHAR('"'),                      -1, -1
+    SPR_push + 0,                      1,
+    EL_PLAYER_2,                       ACTION_PUSHING, MV_BIT_UP,
   },
   {
-    Xalpha_comma,                      TRUE,   FALSE,
-    EL_CHAR(','),                      -1, -1
+    SPR_push + 1,                      1,
+    EL_PLAYER_2,                       ACTION_PUSHING, MV_BIT_RIGHT,
   },
   {
-    Xalpha_minus,                      TRUE,   FALSE,
-    EL_CHAR('-'),                      -1, -1
+    SPR_push + 2,                      1,
+    EL_PLAYER_2,                       ACTION_PUSHING, MV_BIT_DOWN,
   },
   {
-    Xalpha_perio,                      TRUE,   FALSE,
-    EL_CHAR('.'),                      -1, -1
+    SPR_push + 3,                      1,
+    EL_PLAYER_2,                       ACTION_PUSHING, MV_BIT_LEFT,
   },
   {
-    Xalpha_colon,                      TRUE,   FALSE,
-    EL_CHAR(':'),                      -1, -1
+    SPR_spray + 0,                     1,
+    EL_PLAYER_2,                       ACTION_SNAPPING, MV_BIT_UP,
   },
   {
-    Xalpha_quest,                      TRUE,   FALSE,
-    EL_CHAR('?'),                      -1, -1
+    SPR_spray + 1,                     1,
+    EL_PLAYER_2,                       ACTION_SNAPPING, MV_BIT_RIGHT,
   },
   {
-    Xalpha_a,                          TRUE,   FALSE,
-    EL_CHAR('A'),                      -1, -1
+    SPR_spray + 2,                     1,
+    EL_PLAYER_2,                       ACTION_SNAPPING, MV_BIT_DOWN,
   },
   {
-    Xalpha_b,                          TRUE,   FALSE,
-    EL_CHAR('B'),                      -1, -1
+    SPR_spray + 3,                     1,
+    EL_PLAYER_2,                       ACTION_SNAPPING, MV_BIT_LEFT,
   },
   {
-    Xalpha_c,                          TRUE,   FALSE,
-    EL_CHAR('C'),                      -1, -1
+    SPR_still,                         0,
+    EL_PLAYER_1,                       ACTION_DEFAULT, -1,
   },
   {
-    Xalpha_d,                          TRUE,   FALSE,
-    EL_CHAR('D'),                      -1, -1
+    SPR_still,                         1,
+    EL_PLAYER_2,                       ACTION_DEFAULT, -1,
   },
   {
-    Xalpha_e,                          TRUE,   FALSE,
-    EL_CHAR('E'),                      -1, -1
+    SPR_walk + 0,                      2,
+    EL_PLAYER_3,                       ACTION_MOVING, MV_BIT_UP,
   },
   {
-    Xalpha_f,                          TRUE,   FALSE,
-    EL_CHAR('F'),                      -1, -1
+    SPR_walk + 1,                      2,
+    EL_PLAYER_3,                       ACTION_MOVING, MV_BIT_RIGHT,
   },
   {
-    Xalpha_g,                          TRUE,   FALSE,
-    EL_CHAR('G'),                      -1, -1
+    SPR_walk + 2,                      2,
+    EL_PLAYER_3,                       ACTION_MOVING, MV_BIT_DOWN,
   },
   {
-    Xalpha_h,                          TRUE,   FALSE,
-    EL_CHAR('H'),                      -1, -1
+    SPR_walk + 3,                      2,
+    EL_PLAYER_3,                       ACTION_MOVING, MV_BIT_LEFT,
   },
   {
-    Xalpha_i,                          TRUE,   FALSE,
-    EL_CHAR('I'),                      -1, -1
+    SPR_push + 0,                      2,
+    EL_PLAYER_3,                       ACTION_PUSHING, MV_BIT_UP,
   },
   {
-    Xalpha_j,                          TRUE,   FALSE,
-    EL_CHAR('J'),                      -1, -1
+    SPR_push + 1,                      2,
+    EL_PLAYER_3,                       ACTION_PUSHING, MV_BIT_RIGHT,
   },
   {
-    Xalpha_k,                          TRUE,   FALSE,
-    EL_CHAR('K'),                      -1, -1
+    SPR_push + 2,                      2,
+    EL_PLAYER_3,                       ACTION_PUSHING, MV_BIT_DOWN,
   },
   {
-    Xalpha_l,                          TRUE,   FALSE,
-    EL_CHAR('L'),                      -1, -1
+    SPR_push + 3,                      2,
+    EL_PLAYER_3,                       ACTION_PUSHING, MV_BIT_LEFT,
   },
   {
-    Xalpha_m,                          TRUE,   FALSE,
-    EL_CHAR('M'),                      -1, -1
+    SPR_spray + 0,                     2,
+    EL_PLAYER_3,                       ACTION_SNAPPING, MV_BIT_UP,
   },
   {
-    Xalpha_n,                          TRUE,   FALSE,
-    EL_CHAR('N'),                      -1, -1
+    SPR_spray + 1,                     2,
+    EL_PLAYER_3,                       ACTION_SNAPPING, MV_BIT_RIGHT,
   },
   {
-    Xalpha_o,                          TRUE,   FALSE,
-    EL_CHAR('O'),                      -1, -1
+    SPR_spray + 2,                     2,
+    EL_PLAYER_3,                       ACTION_SNAPPING, MV_BIT_DOWN,
   },
   {
-    Xalpha_p,                          TRUE,   FALSE,
-    EL_CHAR('P'),                      -1, -1
+    SPR_spray + 3,                     2,
+    EL_PLAYER_3,                       ACTION_SNAPPING, MV_BIT_LEFT,
   },
   {
-    Xalpha_q,                          TRUE,   FALSE,
-    EL_CHAR('Q'),                      -1, -1
+    SPR_walk + 0,                      3,
+    EL_PLAYER_4,                       ACTION_MOVING, MV_BIT_UP,
   },
   {
-    Xalpha_r,                          TRUE,   FALSE,
-    EL_CHAR('R'),                      -1, -1
+    SPR_walk + 1,                      3,
+    EL_PLAYER_4,                       ACTION_MOVING, MV_BIT_RIGHT,
   },
   {
-    Xalpha_s,                          TRUE,   FALSE,
-    EL_CHAR('S'),                      -1, -1
+    SPR_walk + 2,                      3,
+    EL_PLAYER_4,                       ACTION_MOVING, MV_BIT_DOWN,
   },
   {
-    Xalpha_t,                          TRUE,   FALSE,
-    EL_CHAR('T'),                      -1, -1
+    SPR_walk + 3,                      3,
+    EL_PLAYER_4,                       ACTION_MOVING, MV_BIT_LEFT,
   },
   {
-    Xalpha_u,                          TRUE,   FALSE,
-    EL_CHAR('U'),                      -1, -1
+    SPR_push + 0,                      3,
+    EL_PLAYER_4,                       ACTION_PUSHING, MV_BIT_UP,
   },
   {
-    Xalpha_v,                          TRUE,   FALSE,
-    EL_CHAR('V'),                      -1, -1
+    SPR_push + 1,                      3,
+    EL_PLAYER_4,                       ACTION_PUSHING, MV_BIT_RIGHT,
   },
   {
-    Xalpha_w,                          TRUE,   FALSE,
-    EL_CHAR('W'),                      -1, -1
+    SPR_push + 2,                      3,
+    EL_PLAYER_4,                       ACTION_PUSHING, MV_BIT_DOWN,
   },
   {
-    Xalpha_x,                          TRUE,   FALSE,
-    EL_CHAR('X'),                      -1, -1
+    SPR_push + 3,                      3,
+    EL_PLAYER_4,                       ACTION_PUSHING, MV_BIT_LEFT,
   },
   {
-    Xalpha_y,                          TRUE,   FALSE,
-    EL_CHAR('Y'),                      -1, -1
+    SPR_spray + 0,                     3,
+    EL_PLAYER_4,                       ACTION_SNAPPING, MV_BIT_UP,
   },
   {
-    Xalpha_z,                          TRUE,   FALSE,
-    EL_CHAR('Z'),                      -1, -1
+    SPR_spray + 1,                     3,
+    EL_PLAYER_4,                       ACTION_SNAPPING, MV_BIT_RIGHT,
   },
   {
-    Xalpha_arrow_e,                    TRUE,   FALSE,
-    EL_CHAR('>'),                      -1, -1
+    SPR_spray + 2,                     3,
+    EL_PLAYER_4,                       ACTION_SNAPPING, MV_BIT_DOWN,
   },
   {
-    Xalpha_arrow_w,                    TRUE,   FALSE,
-    EL_CHAR('<'),                      -1, -1
+    SPR_spray + 3,                     3,
+    EL_PLAYER_4,                       ACTION_SNAPPING, MV_BIT_LEFT,
   },
   {
-    Xalpha_copyr,                      TRUE,   FALSE,
-    EL_CHAR('©'),                      -1, -1
+    SPR_still,                         2,
+    EL_PLAYER_3,                       ACTION_DEFAULT, -1,
   },
   {
-    Xalpha_copyr,                      TRUE,   FALSE,
-    EL_CHAR('©'),                      -1, -1
+    SPR_still,                         3,
+    EL_PLAYER_4,                       ACTION_DEFAULT, -1,
   },
 
   {
-    Xboom_bug,                         FALSE,  FALSE,
-    EL_BUG,                            ACTION_EXPLODING, -1
-  },
-  {
-    Xboom_bomb,                                FALSE,  FALSE,
-    EL_BOMB,                           ACTION_EXPLODING, -1
-  },
-  {
-    Xboom_android,                     FALSE,  FALSE,
-    EL_EMC_ANDROID,                    ACTION_OTHER, -1
-  },
+    -1,                                        -1,
+    -1,                                        -1, -1
+  }
+};
+
+int map_element_RND_to_EM(int element_rnd)
+{
+  static unsigned short mapping_RND_to_EM[NUM_FILE_ELEMENTS];
+  static boolean mapping_initialized = FALSE;
+
+  if (!mapping_initialized)
+  {
+    int i;
+
+    /* return "Xalpha_quest" for all undefined elements in mapping array */
+    for (i = 0; i < NUM_FILE_ELEMENTS; i++)
+      mapping_RND_to_EM[i] = Xalpha_quest;
+
+    for (i = 0; em_object_mapping_list[i].element_em != -1; i++)
+      if (em_object_mapping_list[i].is_rnd_to_em_mapping)
+       mapping_RND_to_EM[em_object_mapping_list[i].element_rnd] =
+         em_object_mapping_list[i].element_em;
+
+    mapping_initialized = TRUE;
+  }
+
+  if (element_rnd >= 0 && element_rnd < NUM_FILE_ELEMENTS)
+    return mapping_RND_to_EM[element_rnd];
+
+  Error(ERR_WARN, "invalid RND level element %d", element_rnd);
+
+  return EL_UNKNOWN;
+}
+
+int map_element_EM_to_RND(int element_em)
+{
+  static unsigned short mapping_EM_to_RND[TILE_MAX];
+  static boolean mapping_initialized = FALSE;
+
+  if (!mapping_initialized)
+  {
+    int i;
+
+    /* return "EL_UNKNOWN" for all undefined elements in mapping array */
+    for (i = 0; i < TILE_MAX; i++)
+      mapping_EM_to_RND[i] = EL_UNKNOWN;
+
+    for (i = 0; em_object_mapping_list[i].element_em != -1; i++)
+      mapping_EM_to_RND[em_object_mapping_list[i].element_em] =
+       em_object_mapping_list[i].element_rnd;
+
+    mapping_initialized = TRUE;
+  }
+
+  if (element_em >= 0 && element_em < TILE_MAX)
+    return mapping_EM_to_RND[element_em];
+
+  Error(ERR_WARN, "invalid EM level element %d", element_em);
+
+  return EL_UNKNOWN;
+}
+
+void map_android_clone_elements_RND_to_EM(struct LevelInfo *level)
+{
+  struct LevelInfo_EM *level_em = level->native_em_level;
+  struct LEVEL *lev = level_em->lev;
+  int i, j;
+
+  for (i = 0; i < TILE_MAX; i++)
+    lev->android_array[i] = Xblank;
+
+  for (i = 0; i < level->num_android_clone_elements; i++)
+  {
+    int element_rnd = level->android_clone_element[i];
+    int element_em = map_element_RND_to_EM(element_rnd);
+
+    for (j = 0; em_object_mapping_list[j].element_em != -1; j++)
+      if (em_object_mapping_list[j].element_rnd == element_rnd)
+       lev->android_array[em_object_mapping_list[j].element_em] = element_em;
+  }
+}
+
+void map_android_clone_elements_EM_to_RND(struct LevelInfo *level)
+{
+  struct LevelInfo_EM *level_em = level->native_em_level;
+  struct LEVEL *lev = level_em->lev;
+  int i, j;
+
+  level->num_android_clone_elements = 0;
+
+  for (i = 0; i < TILE_MAX; i++)
+  {
+    int element_em = lev->android_array[i];
+    int element_rnd;
+    boolean element_found = FALSE;
+
+    if (element_em == Xblank)
+      continue;
+
+    element_rnd = map_element_EM_to_RND(element_em);
+
+    for (j = 0; j < level->num_android_clone_elements; j++)
+      if (level->android_clone_element[j] == element_rnd)
+       element_found = TRUE;
+
+    if (!element_found)
+    {
+      level->android_clone_element[level->num_android_clone_elements++] =
+       element_rnd;
+
+      if (level->num_android_clone_elements == MAX_ANDROID_ELEMENTS)
+       break;
+    }
+  }
+
+  if (level->num_android_clone_elements == 0)
+  {
+    level->num_android_clone_elements = 1;
+    level->android_clone_element[0] = EL_EMPTY;
+  }
+}
+
+int map_direction_RND_to_EM(int direction)
+{
+  return (direction == MV_UP    ? 0 :
+         direction == MV_RIGHT ? 1 :
+         direction == MV_DOWN  ? 2 :
+         direction == MV_LEFT  ? 3 :
+         -1);
+}
+
+int map_direction_EM_to_RND(int direction)
+{
+  return (direction == 0 ? MV_UP    :
+         direction == 1 ? MV_RIGHT :
+         direction == 2 ? MV_DOWN  :
+         direction == 3 ? MV_LEFT  :
+         MV_NONE);
+}
+
+int map_element_RND_to_SP(int element_rnd)
+{
+  int element_sp = 0x20;       /* map unknown elements to yellow "hardware" */
+
+  if (element_rnd >= EL_SP_START &&
+      element_rnd <= EL_SP_END)
+    element_sp = element_rnd - EL_SP_START;
+  else if (element_rnd == EL_EMPTY_SPACE)
+    element_sp = 0x00;
+  else if (element_rnd == EL_INVISIBLE_WALL)
+    element_sp = 0x28;
+
+  return element_sp;
+}
+
+int map_element_SP_to_RND(int element_sp)
+{
+  int element_rnd = EL_UNKNOWN;
+
+  if (element_sp >= 0x00 &&
+      element_sp <= 0x27)
+    element_rnd = EL_SP_START + element_sp;
+  else if (element_sp == 0x28)
+    element_rnd = EL_INVISIBLE_WALL;
+
+  return element_rnd;
+}
+
+int map_action_SP_to_RND(int action_sp)
+{
+  switch (action_sp)
+  {
+    case actActive:            return ACTION_ACTIVE;
+    case actImpact:            return ACTION_IMPACT;
+    case actExploding:         return ACTION_EXPLODING;
+    case actDigging:           return ACTION_DIGGING;
+    case actSnapping:          return ACTION_SNAPPING;
+    case actCollecting:                return ACTION_COLLECTING;
+    case actPassing:           return ACTION_PASSING;
+    case actPushing:           return ACTION_PUSHING;
+    case actDropping:          return ACTION_DROPPING;
+
+    default:                   return ACTION_DEFAULT;
+  }
+}
+
+int get_next_element(int element)
+{
+  switch (element)
+  {
+    case EL_QUICKSAND_FILLING:         return EL_QUICKSAND_FULL;
+    case EL_QUICKSAND_EMPTYING:                return EL_QUICKSAND_EMPTY;
+    case EL_QUICKSAND_FAST_FILLING:    return EL_QUICKSAND_FAST_FULL;
+    case EL_QUICKSAND_FAST_EMPTYING:   return EL_QUICKSAND_FAST_EMPTY;
+    case EL_MAGIC_WALL_FILLING:                return EL_MAGIC_WALL_FULL;
+    case EL_MAGIC_WALL_EMPTYING:       return EL_MAGIC_WALL_ACTIVE;
+    case EL_BD_MAGIC_WALL_FILLING:     return EL_BD_MAGIC_WALL_FULL;
+    case EL_BD_MAGIC_WALL_EMPTYING:    return EL_BD_MAGIC_WALL_ACTIVE;
+    case EL_DC_MAGIC_WALL_FILLING:     return EL_DC_MAGIC_WALL_FULL;
+    case EL_DC_MAGIC_WALL_EMPTYING:    return EL_DC_MAGIC_WALL_ACTIVE;
+    case EL_AMOEBA_DROPPING:           return EL_AMOEBA_WET;
+
+    default:                           return element;
+  }
+}
+
+#if 0
+int el_act_dir2img(int element, int action, int direction)
+{
+  element = GFX_ELEMENT(element);
+
+  if (direction == MV_NONE)
+    return element_info[element].graphic[action];
+
+  direction = MV_DIR_TO_BIT(direction);
+
+  return element_info[element].direction_graphic[action][direction];
+}
+#else
+int el_act_dir2img(int element, int action, int direction)
+{
+  element = GFX_ELEMENT(element);
+  direction = MV_DIR_TO_BIT(direction);        /* default: MV_NONE => MV_DOWN */
+
+  /* direction_graphic[][] == graphic[] for undefined direction graphics */
+  return element_info[element].direction_graphic[action][direction];
+}
+#endif
+
+#if 0
+static int el_act_dir2crm(int element, int action, int direction)
+{
+  element = GFX_ELEMENT(element);
+
+  if (direction == MV_NONE)
+    return element_info[element].crumbled[action];
+
+  direction = MV_DIR_TO_BIT(direction);
+
+  return element_info[element].direction_crumbled[action][direction];
+}
+#else
+static int el_act_dir2crm(int element, int action, int direction)
+{
+  element = GFX_ELEMENT(element);
+  direction = MV_DIR_TO_BIT(direction);        /* default: MV_NONE => MV_DOWN */
+
+  /* direction_graphic[][] == graphic[] for undefined direction graphics */
+  return element_info[element].direction_crumbled[action][direction];
+}
+#endif
+
+int el_act2img(int element, int action)
+{
+  element = GFX_ELEMENT(element);
+
+  return element_info[element].graphic[action];
+}
+
+int el_act2crm(int element, int action)
+{
+  element = GFX_ELEMENT(element);
+
+  return element_info[element].crumbled[action];
+}
+
+int el_dir2img(int element, int direction)
+{
+  element = GFX_ELEMENT(element);
+
+  return el_act_dir2img(element, ACTION_DEFAULT, direction);
+}
+
+int el2baseimg(int element)
+{
+  return element_info[element].graphic[ACTION_DEFAULT];
+}
+
+int el2img(int element)
+{
+  element = GFX_ELEMENT(element);
+
+  return element_info[element].graphic[ACTION_DEFAULT];
+}
+
+int el2edimg(int element)
+{
+  element = GFX_ELEMENT(element);
+
+  return element_info[element].special_graphic[GFX_SPECIAL_ARG_EDITOR];
+}
+
+int el2preimg(int element)
+{
+  element = GFX_ELEMENT(element);
+
+  return element_info[element].special_graphic[GFX_SPECIAL_ARG_PREVIEW];
+}
+
+int el2panelimg(int element)
+{
+  element = GFX_ELEMENT(element);
+
+  return element_info[element].special_graphic[GFX_SPECIAL_ARG_PANEL];
+}
+
+int font2baseimg(int font_nr)
+{
+  return font_info[font_nr].special_graphic[GFX_SPECIAL_ARG_DEFAULT];
+}
+
+int getBeltNrFromBeltElement(int element)
+{
+  return (element < EL_CONVEYOR_BELT_2_LEFT ? 0 :
+         element < EL_CONVEYOR_BELT_3_LEFT ? 1 :
+         element < EL_CONVEYOR_BELT_4_LEFT ? 2 : 3);
+}
+
+int getBeltNrFromBeltActiveElement(int element)
+{
+  return (element < EL_CONVEYOR_BELT_2_LEFT_ACTIVE ? 0 :
+         element < EL_CONVEYOR_BELT_3_LEFT_ACTIVE ? 1 :
+         element < EL_CONVEYOR_BELT_4_LEFT_ACTIVE ? 2 : 3);
+}
+
+int getBeltNrFromBeltSwitchElement(int element)
+{
+  return (element < EL_CONVEYOR_BELT_2_SWITCH_LEFT ? 0 :
+         element < EL_CONVEYOR_BELT_3_SWITCH_LEFT ? 1 :
+         element < EL_CONVEYOR_BELT_4_SWITCH_LEFT ? 2 : 3);
+}
+
+int getBeltDirNrFromBeltElement(int element)
+{
+  static int belt_base_element[4] =
+  {
+    EL_CONVEYOR_BELT_1_LEFT,
+    EL_CONVEYOR_BELT_2_LEFT,
+    EL_CONVEYOR_BELT_3_LEFT,
+    EL_CONVEYOR_BELT_4_LEFT
+  };
+
+  int belt_nr = getBeltNrFromBeltElement(element);
+  int belt_dir_nr = element - belt_base_element[belt_nr];
+
+  return (belt_dir_nr % 3);
+}
+
+int getBeltDirNrFromBeltSwitchElement(int element)
+{
+  static int belt_base_element[4] =
   {
-    Xboom_1,                           FALSE,  FALSE,
-    EL_DEFAULT,                                ACTION_EXPLODING, -1
-  },
+    EL_CONVEYOR_BELT_1_SWITCH_LEFT,
+    EL_CONVEYOR_BELT_2_SWITCH_LEFT,
+    EL_CONVEYOR_BELT_3_SWITCH_LEFT,
+    EL_CONVEYOR_BELT_4_SWITCH_LEFT
+  };
+
+  int belt_nr = getBeltNrFromBeltSwitchElement(element);
+  int belt_dir_nr = element - belt_base_element[belt_nr];
+
+  return (belt_dir_nr % 3);
+}
+
+int getBeltDirFromBeltElement(int element)
+{
+  static int belt_move_dir[3] =
   {
-    Xboom_2,                           FALSE,  FALSE,
-    EL_DEFAULT,                                ACTION_EXPLODING, -1
-  },
+    MV_LEFT,
+    MV_NONE,
+    MV_RIGHT
+  };
+
+  int belt_dir_nr = getBeltDirNrFromBeltElement(element);
+
+  return belt_move_dir[belt_dir_nr];
+}
+
+int getBeltDirFromBeltSwitchElement(int element)
+{
+  static int belt_move_dir[3] =
   {
-    Znormal,                           FALSE,  FALSE,
-    EL_EMPTY,                          -1, -1
-  },
+    MV_LEFT,
+    MV_NONE,
+    MV_RIGHT
+  };
+
+  int belt_dir_nr = getBeltDirNrFromBeltSwitchElement(element);
+
+  return belt_move_dir[belt_dir_nr];
+}
+
+int getBeltElementFromBeltNrAndBeltDirNr(int belt_nr, int belt_dir_nr)
+{
+  static int belt_base_element[4] =
   {
-    Zdynamite,                         FALSE,  FALSE,
-    EL_EMPTY,                          -1, -1
-  },
+    EL_CONVEYOR_BELT_1_LEFT,
+    EL_CONVEYOR_BELT_2_LEFT,
+    EL_CONVEYOR_BELT_3_LEFT,
+    EL_CONVEYOR_BELT_4_LEFT
+  };
+
+  return belt_base_element[belt_nr] + belt_dir_nr;
+}
+
+int getBeltElementFromBeltNrAndBeltDir(int belt_nr, int belt_dir)
+{
+  int belt_dir_nr = (belt_dir == MV_LEFT ? 0 : belt_dir == MV_RIGHT ? 2 : 1);
+
+  return getBeltElementFromBeltNrAndBeltDirNr(belt_nr, belt_dir_nr);
+}
+
+int getBeltSwitchElementFromBeltNrAndBeltDirNr(int belt_nr, int belt_dir_nr)
+{
+  static int belt_base_element[4] =
   {
-    Zplayer,                           FALSE,  FALSE,
-    EL_EMPTY,                          -1, -1
-  },
+    EL_CONVEYOR_BELT_1_SWITCH_LEFT,
+    EL_CONVEYOR_BELT_2_SWITCH_LEFT,
+    EL_CONVEYOR_BELT_3_SWITCH_LEFT,
+    EL_CONVEYOR_BELT_4_SWITCH_LEFT
+  };
+
+  return belt_base_element[belt_nr] + belt_dir_nr;
+}
+
+int getBeltSwitchElementFromBeltNrAndBeltDir(int belt_nr, int belt_dir)
+{
+  int belt_dir_nr = (belt_dir == MV_LEFT ? 0 : belt_dir == MV_RIGHT ? 2 : 1);
+
+  return getBeltSwitchElementFromBeltNrAndBeltDirNr(belt_nr, belt_dir_nr);
+}
+
+int getNumActivePlayers_EM()
+{
+  int num_players = 0;
+  int i;
+
+  if (!tape.playing)
+    return -1;
+
+  for (i = 0; i < MAX_PLAYERS; i++)
+    if (tape.player_participates[i])
+      num_players++;
+
+  return num_players;
+}
+
+int getGameFrameDelay_EM(int native_em_game_frame_delay)
+{
+  int game_frame_delay_value;
+
+  game_frame_delay_value =
+    (tape.playing && tape.fast_forward ? FfwdFrameDelay :
+     GameFrameDelay == GAME_FRAME_DELAY ? native_em_game_frame_delay :
+     GameFrameDelay);
+
+  if (tape.playing && tape.warp_forward && !tape.pausing)
+    game_frame_delay_value = 0;
+
+  return game_frame_delay_value;
+}
+
+unsigned int InitRND(long seed)
+{
+  if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
+    return InitEngineRandom_EM(seed);
+  else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
+    return InitEngineRandom_SP(seed);
+  else
+    return InitEngineRandom_RND(seed);
+}
+
+#if 1
+static struct Mapping_EM_to_RND_object object_mapping[TILE_MAX];
+static struct Mapping_EM_to_RND_player player_mapping[MAX_PLAYERS][SPR_MAX];
+#endif
+
+inline static int get_effective_element_EM(int tile, int frame_em)
+{
+  int element             = object_mapping[tile].element_rnd;
+  int action              = object_mapping[tile].action;
+  boolean is_backside     = object_mapping[tile].is_backside;
+  boolean action_removing = (action == ACTION_DIGGING ||
+                            action == ACTION_SNAPPING ||
+                            action == ACTION_COLLECTING);
+
+  if (frame_em < 7)
   {
-    ZBORDER,                           FALSE,  FALSE,
-    EL_EMPTY,                          -1, -1
-  },
+    switch (tile)
+    {
+      case Yacid_splash_eB:
+      case Yacid_splash_wB:
+       return (frame_em > 5 ? EL_EMPTY : element);
+
+#if 0
+      case Ydiamond_stone:
+       //  if (!game.use_native_emc_graphics_engine)
+       return EL_ROCK;
+#endif
 
+      default:
+       return element;
+    }
+  }
+  else /* frame_em == 7 */
   {
-    -1,                                        FALSE,  FALSE,
-    -1,                                        -1, -1
+    switch (tile)
+    {
+      case Yacid_splash_eB:
+      case Yacid_splash_wB:
+       return EL_EMPTY;
+
+      case Yemerald_stone:
+       return EL_EMERALD;
+
+      case Ydiamond_stone:
+       return EL_ROCK;
+
+      case Xdrip_stretch:
+      case Xdrip_stretchB:
+      case Ydrip_s1:
+      case Ydrip_s1B:
+      case Xball_1B:
+      case Xball_2:
+      case Xball_2B:
+      case Yball_eat:
+      case Ykey_1_eat:
+      case Ykey_2_eat:
+      case Ykey_3_eat:
+      case Ykey_4_eat:
+      case Ykey_5_eat:
+      case Ykey_6_eat:
+      case Ykey_7_eat:
+      case Ykey_8_eat:
+      case Ylenses_eat:
+      case Ymagnify_eat:
+      case Ygrass_eat:
+      case Ydirt_eat:
+      case Xsand_stonein_1:
+      case Xsand_stonein_2:
+      case Xsand_stonein_3:
+      case Xsand_stonein_4:
+       return element;
+
+      default:
+       return (is_backside || action_removing ? EL_EMPTY : element);
+    }
   }
-};
+}
 
-int map_element_RND_to_EM(int element_rnd)
+inline static boolean check_linear_animation_EM(int tile)
 {
-  static unsigned short mapping_RND_to_EM[NUM_FILE_ELEMENTS];
-  static boolean mapping_initialized = FALSE;
+  switch (tile)
+  {
+    case Xsand_stonesand_1:
+    case Xsand_stonesand_quickout_1:
+    case Xsand_sandstone_1:
+    case Xsand_stonein_1:
+    case Xsand_stoneout_1:
+    case Xboom_1:
+    case Xdynamite_1:
+    case Ybug_w_n:
+    case Ybug_n_e:
+    case Ybug_e_s:
+    case Ybug_s_w:
+    case Ybug_e_n:
+    case Ybug_s_e:
+    case Ybug_w_s:
+    case Ybug_n_w:
+    case Ytank_w_n:
+    case Ytank_n_e:
+    case Ytank_e_s:
+    case Ytank_s_w:
+    case Ytank_e_n:
+    case Ytank_s_e:
+    case Ytank_w_s:
+    case Ytank_n_w:
+#if 1
+    case Yacid_splash_eB:
+    case Yacid_splash_wB:
+    case Yemerald_stone:
+#endif
+      return TRUE;
+  }
 
-  if (!mapping_initialized)
+  return FALSE;
+}
+
+inline static void set_crumbled_graphics_EM(struct GraphicInfo_EM *g_em,
+                                           boolean has_crumbled_graphics,
+                                           int crumbled, int sync_frame)
+{
+  /* if element can be crumbled, but certain action graphics are just empty
+     space (like instantly snapping sand to empty space in 1 frame), do not
+     treat these empty space graphics as crumbled graphics in EMC engine */
+  if (crumbled == IMG_EMPTY_SPACE)
+    has_crumbled_graphics = FALSE;
+
+  if (has_crumbled_graphics)
   {
-    int i;
+    struct GraphicInfo *g_crumbled = &graphic_info[crumbled];
+    int frame_crumbled = getAnimationFrame(g_crumbled->anim_frames,
+                                          g_crumbled->anim_delay,
+                                          g_crumbled->anim_mode,
+                                          g_crumbled->anim_start_frame,
+                                          sync_frame);
 
-    /* return "Xalpha_quest" for all undefined elements in mapping array */
-    for (i = 0; i < NUM_FILE_ELEMENTS; i++)
-      mapping_RND_to_EM[i] = Xalpha_quest;
+    getGraphicSource(crumbled, frame_crumbled, &g_em->crumbled_bitmap,
+                    &g_em->crumbled_src_x, &g_em->crumbled_src_y);
 
-    for (i = 0; mapping_EM_to_RND_list[i].element_em != -1; i++)
-      if (mapping_EM_to_RND_list[i].is_rnd_to_em_mapping)
-       mapping_RND_to_EM[mapping_EM_to_RND_list[i].element_rnd] =
-         mapping_EM_to_RND_list[i].element_em;
+    g_em->crumbled_border_size = graphic_info[crumbled].border_size;
 
-    mapping_initialized = TRUE;
+    g_em->has_crumbled_graphics = TRUE;
   }
+  else
+  {
+    g_em->crumbled_bitmap = NULL;
+    g_em->crumbled_src_x = 0;
+    g_em->crumbled_src_y = 0;
+    g_em->crumbled_border_size = 0;
 
-  if (element_rnd >= 0 && element_rnd < NUM_FILE_ELEMENTS)
-    return mapping_RND_to_EM[element_rnd];
-
-  Error(ERR_WARN, "invalid RND level element %d", element_rnd);
+    g_em->has_crumbled_graphics = FALSE;
+  }
+}
 
-  return EL_UNKNOWN;
+void ResetGfxAnimation_EM(int x, int y, int tile)
+{
+  GfxFrame[x][y] = 0;
 }
 
-int map_element_EM_to_RND(int element_em)
+void SetGfxAnimation_EM(struct GraphicInfo_EM *g_em,
+                       int tile, int frame_em, int x, int y)
 {
-  static unsigned short mapping_EM_to_RND[TILE_MAX];
-  static boolean mapping_initialized = FALSE;
+  int action = object_mapping[tile].action;
+#if 1
+  int direction = object_mapping[tile].direction;
+  int effective_element = get_effective_element_EM(tile, frame_em);
+  int graphic = (direction == MV_NONE ?
+                el_act2img(effective_element, action) :
+                el_act_dir2img(effective_element, action, direction));
+  struct GraphicInfo *g = &graphic_info[graphic];
+  int sync_frame;
+#endif
+  boolean action_removing = (action == ACTION_DIGGING ||
+                            action == ACTION_SNAPPING ||
+                            action == ACTION_COLLECTING);
+  boolean action_moving   = (action == ACTION_FALLING ||
+                            action == ACTION_MOVING ||
+                            action == ACTION_PUSHING ||
+                            action == ACTION_EATING ||
+                            action == ACTION_FILLING ||
+                            action == ACTION_EMPTYING);
+  boolean action_falling  = (action == ACTION_FALLING ||
+                            action == ACTION_FILLING ||
+                            action == ACTION_EMPTYING);
+
+  /* special case: graphic uses "2nd movement tile" and has defined
+     7 frames for movement animation (or less) => use default graphic
+     for last (8th) frame which ends the movement animation */
+  if (g->double_movement && g->anim_frames < 8 && frame_em == 7)
+  {
+    action = ACTION_DEFAULT;   /* (keep action_* unchanged for now) */
+    graphic = (direction == MV_NONE ?
+              el_act2img(effective_element, action) :
+              el_act_dir2img(effective_element, action, direction));
+
+    g = &graphic_info[graphic];
+  }
 
-  if (!mapping_initialized)
+#if 0
+  if (tile == Xsand_stonesand_1 ||
+      tile == Xsand_stonesand_2 ||
+      tile == Xsand_stonesand_3 ||
+      tile == Xsand_stonesand_4)
+    printf("::: 1: quicksand frame %d [%d]\n", GfxFrame[x][y], tile);
+#endif
+
+#if 1
+  if ((action_removing || check_linear_animation_EM(tile)) && frame_em == 0)
   {
-    int i;
+    GfxFrame[x][y] = 0;
 
-    /* return "EL_UNKNOWN" for all undefined elements in mapping array */
-    for (i = 0; i < TILE_MAX; i++)
-      mapping_EM_to_RND[i] = EL_UNKNOWN;
+    // printf("::: resetting... [%d]\n", tile);
+  }
+#else
+  if (action_removing || check_linear_animation_EM(tile))
+  {
+    GfxFrame[x][y] = frame_em;
+
+    // printf("::: resetting... [%d]\n", tile);
+  }
+#endif
+  else if (action_moving)
+  {
+    boolean is_backside = object_mapping[tile].is_backside;
 
-    for (i = 0; mapping_EM_to_RND_list[i].element_em != -1; i++)
-      mapping_EM_to_RND[mapping_EM_to_RND_list[i].element_em] =
-       mapping_EM_to_RND_list[i].element_rnd;
+    if (is_backside)
+    {
+      int direction = object_mapping[tile].direction;
+      int move_dir = (action_falling ? MV_DOWN : direction);
 
-    mapping_initialized = TRUE;
+      GfxFrame[x][y]++;
+
+#if 1
+      /* !!! TEST !!! NEW !!! DOES NOT WORK RIGHT YET !!! */
+      if (g->double_movement && frame_em == 0)
+      {
+       GfxFrame[x][y] = 0;
+
+       // printf("::: resetting... [%d]\n", tile);
+      }
+#endif
+
+      if (move_dir == MV_LEFT)
+       GfxFrame[x - 1][y] = GfxFrame[x][y];
+      else if (move_dir == MV_RIGHT)
+       GfxFrame[x + 1][y] = GfxFrame[x][y];
+      else if (move_dir == MV_UP)
+       GfxFrame[x][y - 1] = GfxFrame[x][y];
+      else if (move_dir == MV_DOWN)
+       GfxFrame[x][y + 1] = GfxFrame[x][y];
+    }
   }
+  else
+  {
+    GfxFrame[x][y]++;
 
-  if (element_em >= 0 && element_em < TILE_MAX)
-    return mapping_EM_to_RND[element_em];
+    /* special case: animation for Xsand_stonesand_quickout_1/2 twice as fast */
+    if (tile == Xsand_stonesand_quickout_1 ||
+       tile == Xsand_stonesand_quickout_2)
+      GfxFrame[x][y]++;
+  }
 
-  Error(ERR_WARN, "invalid EM level element %d", element_em);
+#if 0
+  if (tile == Xsand_stonesand_1 ||
+      tile == Xsand_stonesand_2 ||
+      tile == Xsand_stonesand_3 ||
+      tile == Xsand_stonesand_4)
+    printf("::: 2: quicksand frame %d [%d]\n", GfxFrame[x][y], tile);
+#endif
 
-  return EL_UNKNOWN;
+#if 1
+  if (graphic_info[graphic].anim_global_sync)
+    sync_frame = FrameCounter;
+  else if (IN_FIELD(x, y, MAX_LEV_FIELDX, MAX_LEV_FIELDY))
+    sync_frame = GfxFrame[x][y];
+  else
+    sync_frame = 0;    /* playfield border (pseudo steel) */
+
+  SetRandomAnimationValue(x, y);
+
+  int frame = getAnimationFrame(g->anim_frames,
+                               g->anim_delay,
+                               g->anim_mode,
+                               g->anim_start_frame,
+                               sync_frame);
+
+  g_em->unique_identifier =
+    (graphic << 16) | ((frame % 8) << 12) | (g_em->width << 6) | g_em->height;
+#endif
 }
 
-#else
-
-int map_element_RND_to_EM(int element_rnd)
+void getGraphicSourceObjectExt_EM(struct GraphicInfo_EM *g_em,
+                                 int tile, int frame_em, int x, int y)
 {
-  static unsigned short mapping_RND_to_EM[NUM_FILE_ELEMENTS];
-  static boolean mapping_initialized = FALSE;
-
-  struct
-  {
-    int element_em;
-    int element_rnd;
+  int action = object_mapping[tile].action;
+  int direction = object_mapping[tile].direction;
+  boolean is_backside = object_mapping[tile].is_backside;
+  int effective_element = get_effective_element_EM(tile, frame_em);
+#if 1
+  int effective_action = action;
+#else
+  int effective_action = (frame_em < 7 ? action : ACTION_DEFAULT);
+#endif
+  int graphic = (direction == MV_NONE ?
+                el_act2img(effective_element, effective_action) :
+                el_act_dir2img(effective_element, effective_action,
+                               direction));
+  int crumbled = (direction == MV_NONE ?
+                 el_act2crm(effective_element, effective_action) :
+                 el_act_dir2crm(effective_element, effective_action,
+                                direction));
+  int base_graphic = el_act2img(effective_element, ACTION_DEFAULT);
+  int base_crumbled = el_act2crm(effective_element, ACTION_DEFAULT);
+  boolean has_crumbled_graphics = (base_crumbled != base_graphic);
+  struct GraphicInfo *g = &graphic_info[graphic];
+#if 0
+  struct GraphicInfo *g_crumbled = &graphic_info[crumbled];
+#endif
+  int sync_frame;
+
+  /* special case: graphic uses "2nd movement tile" and has defined
+     7 frames for movement animation (or less) => use default graphic
+     for last (8th) frame which ends the movement animation */
+  if (g->double_movement && g->anim_frames < 8 && frame_em == 7)
+  {
+    effective_action = ACTION_DEFAULT;
+    graphic = (direction == MV_NONE ?
+              el_act2img(effective_element, effective_action) :
+              el_act_dir2img(effective_element, effective_action,
+                             direction));
+    crumbled = (direction == MV_NONE ?
+               el_act2crm(effective_element, effective_action) :
+               el_act_dir2crm(effective_element, effective_action,
+                              direction));
+
+    g = &graphic_info[graphic];
   }
-  mapping_RND_to_EM_list[] =
-  {
-    { Xblank,                  EL_EMPTY                        },
-    { Xstone,                  EL_ROCK                         },
-    { Xnut,                    EL_NUT                          },
-    { Xbug_n,                  EL_BUG_UP                       },
-    { Xbug_e,                  EL_BUG_RIGHT                    },
-    { Xbug_s,                  EL_BUG_DOWN                     },
-    { Xbug_w,                  EL_BUG_LEFT                     },
-    { Xtank_n,                 EL_SPACESHIP_UP                 },
-    { Xtank_e,                 EL_SPACESHIP_RIGHT              },
-    { Xtank_s,                 EL_SPACESHIP_DOWN               },
-    { Xtank_w,                 EL_SPACESHIP_LEFT               },
-    { Xandroid,                        EL_EMC_ANDROID                  },
-    { Xandroid_1_n,            EL_EMC_ANDROID_UP               },
-    { Xandroid_1_e,            EL_EMC_ANDROID_RIGHT            },
-    { Xandroid_1_w,            EL_EMC_ANDROID_LEFT             },
-    { Xandroid_1_s,            EL_EMC_ANDROID_DOWN             },
-    { Xspring,                 EL_SPRING                       },
-    { Xeater_n,                        EL_YAMYAM                       },
-    { Xalien,                  EL_ROBOT                        },
-    { Xemerald,                        EL_EMERALD                      },
-    { Xdiamond,                        EL_DIAMOND                      },
-    { Xdrip_fall,              EL_AMOEBA_DROP                  },
-    { Xbomb,                   EL_BOMB                         },
-    { Xballoon,                        EL_BALLOON                      },
-    { Xgrass,                  EL_EMC_GRASS                    },
-    { Xdirt,                   EL_SAND                         },
-    { Xacid_ne,                        EL_ACID_POOL_TOPRIGHT           },
-    { Xacid_se,                        EL_ACID_POOL_BOTTOMRIGHT        },
-    { Xacid_s,                 EL_ACID_POOL_BOTTOM             },
-    { Xacid_sw,                        EL_ACID_POOL_BOTTOMLEFT         },
-    { Xacid_nw,                        EL_ACID_POOL_TOPLEFT            },
-    { Xacid_1,                 EL_ACID                         },
-    { Xball_1,                 EL_EMC_MAGIC_BALL               },
-    { Xgrow_ns,                        EL_EMC_GROW                     },
-    { Xwonderwall,             EL_MAGIC_WALL                   },
-    { Xamoeba_1,               EL_AMOEBA_WET                   },
-    { Xdoor_1,                 EL_EM_GATE_1                    },
-    { Xdoor_2,                 EL_EM_GATE_2                    },
-    { Xdoor_3,                 EL_EM_GATE_3                    },
-    { Xdoor_4,                 EL_EM_GATE_4                    },
-    { Xdoor_5,                 EL_EMC_GATE_5                   },
-    { Xdoor_6,                 EL_EMC_GATE_6                   },
-    { Xdoor_7,                 EL_EMC_GATE_7                   },
-    { Xdoor_8,                 EL_EMC_GATE_8                   },
-    { Xkey_1,                  EL_EM_KEY_1                     },
-    { Xkey_2,                  EL_EM_KEY_2                     },
-    { Xkey_3,                  EL_EM_KEY_3                     },
-    { Xkey_4,                  EL_EM_KEY_4                     },
-    { Xkey_5,                  EL_EMC_KEY_5                    },
-    { Xkey_6,                  EL_EMC_KEY_6                    },
-    { Xkey_7,                  EL_EMC_KEY_7                    },
-    { Xkey_8,                  EL_EMC_KEY_8                    },
-    { Xwind_n,                 EL_BALLOON_SWITCH_UP            },
-    { Xwind_e,                 EL_BALLOON_SWITCH_RIGHT         },
-    { Xwind_s,                 EL_BALLOON_SWITCH_DOWN          },
-    { Xwind_w,                 EL_BALLOON_SWITCH_LEFT          },
-    { Xwind_nesw,              EL_BALLOON_SWITCH_ANY           },
-    { Xwind_stop,              EL_BALLOON_SWITCH_NONE          },
-    { Xexit,                   EL_EXIT_CLOSED                  },
-    { Xexit_1,                 EL_EXIT_OPEN                    },
-    { Xdynamite,               EL_DYNAMITE                     },
-    { Xdynamite_1,             EL_DYNAMITE_ACTIVE              },
-    { Xbumper,                 EL_EMC_BUMPER                   },
-    { Xwheel,                  EL_ROBOT_WHEEL                  },
-    { Xswitch,                 EL_UNKNOWN                      },
-    { Xsand,                   EL_QUICKSAND_EMPTY              },
-    { Xsand_stone,             EL_QUICKSAND_FULL               },
-    { Xplant,                  EL_EMC_PLANT                    },
-    { Xlenses,                 EL_EMC_LENSES                   },
-    { Xmagnify,                        EL_EMC_MAGNIFIER                },
-    { Xdripper,                        EL_UNKNOWN                      },
-    { Xfake_blank,             EL_INVISIBLE_WALL               },
-    { Xfake_grass,             EL_INVISIBLE_SAND               },
-    { Xfake_door_1,            EL_EM_GATE_1_GRAY               },
-    { Xfake_door_2,            EL_EM_GATE_2_GRAY               },
-    { Xfake_door_3,            EL_EM_GATE_3_GRAY               },
-    { Xfake_door_4,            EL_EM_GATE_4_GRAY               },
-    { Xfake_door_5,            EL_EMC_GATE_5_GRAY              },
-    { Xfake_door_6,            EL_EMC_GATE_6_GRAY              },
-    { Xfake_door_7,            EL_EMC_GATE_7_GRAY              },
-    { Xfake_door_8,            EL_EMC_GATE_8_GRAY              },
-    { Xsteel_1,                        EL_STEELWALL                    },
-    { Xsteel_2,                        EL_UNKNOWN                      },
-    { Xsteel_3,                        EL_EMC_STEELWALL_1              },
-    { Xsteel_4,                        EL_UNKNOWN                      },
-    { Xwall_1,                 EL_WALL                         },
-    { Xwall_2,                 EL_UNKNOWN                      },
-    { Xwall_3,                 EL_UNKNOWN                      },
-    { Xwall_4,                 EL_UNKNOWN                      },
-    { Xround_wall_1,           EL_WALL_SLIPPERY                },
-    { Xround_wall_2,           EL_UNKNOWN                      },
-    { Xround_wall_3,           EL_UNKNOWN                      },
-    { Xround_wall_4,           EL_UNKNOWN                      },
-    { Xdecor_1,                        EL_UNKNOWN                      },
-    { Xdecor_2,                        EL_EMC_WALL_6                   },
-    { Xdecor_3,                        EL_EMC_WALL_4                   },
-    { Xdecor_4,                        EL_EMC_WALL_5                   },
-    { Xdecor_5,                        EL_EMC_WALL_7                   },
-    { Xdecor_6,                        EL_EMC_WALL_8                   },
-    { Xdecor_7,                        EL_UNKNOWN                      },
-    { Xdecor_8,                        EL_EMC_WALL_1                   },
-    { Xdecor_9,                        EL_EMC_WALL_2                   },
-    { Xdecor_10,               EL_EMC_WALL_3                   },
-    { Xdecor_11,               EL_UNKNOWN                      },
-    { Xdecor_12,               EL_UNKNOWN                      },
-    { Xalpha_0,                        EL_CHAR('0')                    },
-    { Xalpha_1,                        EL_CHAR('1')                    },
-    { Xalpha_2,                        EL_CHAR('2')                    },
-    { Xalpha_3,                        EL_CHAR('3')                    },
-    { Xalpha_4,                        EL_CHAR('4')                    },
-    { Xalpha_5,                        EL_CHAR('5')                    },
-    { Xalpha_6,                        EL_CHAR('6')                    },
-    { Xalpha_7,                        EL_CHAR('7')                    },
-    { Xalpha_8,                        EL_CHAR('8')                    },
-    { Xalpha_9,                        EL_CHAR('9')                    },
-    { Xalpha_excla,            EL_CHAR('!')                    },
-    { Xalpha_quote,            EL_CHAR('"')                    },
-    { Xalpha_comma,            EL_CHAR(',')                    },
-    { Xalpha_minus,            EL_CHAR('-')                    },
-    { Xalpha_perio,            EL_CHAR('.')                    },
-    { Xalpha_colon,            EL_CHAR(':')                    },
-    { Xalpha_quest,            EL_CHAR('?')                    },
-    { Xalpha_a,                        EL_CHAR('A')                    },
-    { Xalpha_b,                        EL_CHAR('B')                    },
-    { Xalpha_c,                        EL_CHAR('C')                    },
-    { Xalpha_d,                        EL_CHAR('D')                    },
-    { Xalpha_e,                        EL_CHAR('E')                    },
-    { Xalpha_f,                        EL_CHAR('F')                    },
-    { Xalpha_g,                        EL_CHAR('G')                    },
-    { Xalpha_h,                        EL_CHAR('H')                    },
-    { Xalpha_i,                        EL_CHAR('I')                    },
-    { Xalpha_j,                        EL_CHAR('J')                    },
-    { Xalpha_k,                        EL_CHAR('K')                    },
-    { Xalpha_l,                        EL_CHAR('L')                    },
-    { Xalpha_m,                        EL_CHAR('M')                    },
-    { Xalpha_n,                        EL_CHAR('N')                    },
-    { Xalpha_o,                        EL_CHAR('O')                    },
-    { Xalpha_p,                        EL_CHAR('P')                    },
-    { Xalpha_q,                        EL_CHAR('Q')                    },
-    { Xalpha_r,                        EL_CHAR('R')                    },
-    { Xalpha_s,                        EL_CHAR('S')                    },
-    { Xalpha_t,                        EL_CHAR('T')                    },
-    { Xalpha_u,                        EL_CHAR('U')                    },
-    { Xalpha_v,                        EL_CHAR('V')                    },
-    { Xalpha_w,                        EL_CHAR('W')                    },
-    { Xalpha_x,                        EL_CHAR('X')                    },
-    { Xalpha_y,                        EL_CHAR('Y')                    },
-    { Xalpha_z,                        EL_CHAR('Z')                    },
-    { Xalpha_arrow_e,          EL_CHAR('>')                    },
-    { Xalpha_arrow_w,          EL_CHAR('<')                    },
-    { Xalpha_copyr,            EL_CHAR('©')                    },
-
-    { Zplayer,                 EL_PLAYER_1                     },
-    { Zplayer,                 EL_PLAYER_2                     },
-    { Zplayer,                 EL_PLAYER_3                     },
-    { Zplayer,                 EL_PLAYER_4                     },
-
-    { ZBORDER,                 EL_EMC_LEVEL_BORDER             },
-
-    { -1,                      -1                              }
-  };
 
-  if (!mapping_initialized)
-  {
-    int i;
-
-    /* return "Xalpha_quest" for all undefined elements in mapping array */
-    for (i = 0; i < NUM_FILE_ELEMENTS; i++)
-      mapping_RND_to_EM[i] = Xalpha_quest;
+#if 0
+  if (frame_em == 7)
+    return;
+#endif
 
-    for (i = 0; mapping_RND_to_EM_list[i].element_rnd != -1; i++)
-      mapping_RND_to_EM[mapping_RND_to_EM_list[i].element_rnd] =
-       mapping_RND_to_EM_list[i].element_em;
 
-    mapping_initialized = TRUE;
+#if 0
+  if (frame_em == 0)   /* reset animation frame for certain elements */
+  {
+    if (check_linear_animation_EM(tile))
+      GfxFrame[x][y] = 0;
   }
+#endif
 
-  if (element_rnd >= 0 && element_rnd < NUM_FILE_ELEMENTS)
-    return mapping_RND_to_EM[element_rnd];
+  if (graphic_info[graphic].anim_global_sync)
+    sync_frame = FrameCounter;
+  else if (IN_FIELD(x, y, MAX_LEV_FIELDX, MAX_LEV_FIELDY))
+    sync_frame = GfxFrame[x][y];
+  else
+    sync_frame = 0;    /* playfield border (pseudo steel) */
 
-  Error(ERR_WARN, "invalid RND level element %d", element_rnd);
+  SetRandomAnimationValue(x, y);
 
-  return EL_UNKNOWN;
-}
+#if 0
+  int i = tile;
+  int j = frame_em;
+  int xxx_sync_frame = (i == Xdrip_stretch ? 7 :
+                       i == Xdrip_stretchB ? 7 :
+                       i == Ydrip_s2 ? j + 8 :
+                       i == Ydrip_s2B ? j + 8 :
+                       i == Xacid_1 ? 0 :
+                       i == Xacid_2 ? 10 :
+                       i == Xacid_3 ? 20 :
+                       i == Xacid_4 ? 30 :
+                       i == Xacid_5 ? 40 :
+                       i == Xacid_6 ? 50 :
+                       i == Xacid_7 ? 60 :
+                       i == Xacid_8 ? 70 :
+                       i == Xfake_acid_1 ? 0 :
+                       i == Xfake_acid_2 ? 10 :
+                       i == Xfake_acid_3 ? 20 :
+                       i == Xfake_acid_4 ? 30 :
+                       i == Xfake_acid_5 ? 40 :
+                       i == Xfake_acid_6 ? 50 :
+                       i == Xfake_acid_7 ? 60 :
+                       i == Xfake_acid_8 ? 70 :
+                       i == Xball_2 ? 7 :
+                       i == Xball_2B ? j + 8 :
+                       i == Yball_eat ? j + 1 :
+                       i == Ykey_1_eat ? j + 1 :
+                       i == Ykey_2_eat ? j + 1 :
+                       i == Ykey_3_eat ? j + 1 :
+                       i == Ykey_4_eat ? j + 1 :
+                       i == Ykey_5_eat ? j + 1 :
+                       i == Ykey_6_eat ? j + 1 :
+                       i == Ykey_7_eat ? j + 1 :
+                       i == Ykey_8_eat ? j + 1 :
+                       i == Ylenses_eat ? j + 1 :
+                       i == Ymagnify_eat ? j + 1 :
+                       i == Ygrass_eat ? j + 1 :
+                       i == Ydirt_eat ? j + 1 :
+                       i == Xamoeba_1 ? 0 :
+                       i == Xamoeba_2 ? 1 :
+                       i == Xamoeba_3 ? 2 :
+                       i == Xamoeba_4 ? 3 :
+                       i == Xamoeba_5 ? 0 :
+                       i == Xamoeba_6 ? 1 :
+                       i == Xamoeba_7 ? 2 :
+                       i == Xamoeba_8 ? 3 :
+                       i == Xexit_2 ? j + 8 :
+                       i == Xexit_3 ? j + 16 :
+                       i == Xdynamite_1 ? 0 :
+                       i == Xdynamite_2 ? 8 :
+                       i == Xdynamite_3 ? 16 :
+                       i == Xdynamite_4 ? 24 :
+                       i == Xsand_stonein_1 ? j + 1 :
+                       i == Xsand_stonein_2 ? j + 9 :
+                       i == Xsand_stonein_3 ? j + 17 :
+                       i == Xsand_stonein_4 ? j + 25 :
+                       i == Xsand_stoneout_1 && j == 0 ? 0 :
+                       i == Xsand_stoneout_1 && j == 1 ? 0 :
+                       i == Xsand_stoneout_1 && j == 2 ? 1 :
+                       i == Xsand_stoneout_1 && j == 3 ? 2 :
+                       i == Xsand_stoneout_1 && j == 4 ? 2 :
+                       i == Xsand_stoneout_1 && j == 5 ? 3 :
+                       i == Xsand_stoneout_1 && j == 6 ? 4 :
+                       i == Xsand_stoneout_1 && j == 7 ? 4 :
+                       i == Xsand_stoneout_2 && j == 0 ? 5 :
+                       i == Xsand_stoneout_2 && j == 1 ? 6 :
+                       i == Xsand_stoneout_2 && j == 2 ? 7 :
+                       i == Xsand_stoneout_2 && j == 3 ? 8 :
+                       i == Xsand_stoneout_2 && j == 4 ? 9 :
+                       i == Xsand_stoneout_2 && j == 5 ? 11 :
+                       i == Xsand_stoneout_2 && j == 6 ? 13 :
+                       i == Xsand_stoneout_2 && j == 7 ? 15 :
+                       i == Xboom_bug && j == 1 ? 2 :
+                       i == Xboom_bug && j == 2 ? 2 :
+                       i == Xboom_bug && j == 3 ? 4 :
+                       i == Xboom_bug && j == 4 ? 4 :
+                       i == Xboom_bug && j == 5 ? 2 :
+                       i == Xboom_bug && j == 6 ? 2 :
+                       i == Xboom_bug && j == 7 ? 0 :
+                       i == Xboom_bomb && j == 1 ? 2 :
+                       i == Xboom_bomb && j == 2 ? 2 :
+                       i == Xboom_bomb && j == 3 ? 4 :
+                       i == Xboom_bomb && j == 4 ? 4 :
+                       i == Xboom_bomb && j == 5 ? 2 :
+                       i == Xboom_bomb && j == 6 ? 2 :
+                       i == Xboom_bomb && j == 7 ? 0 :
+                       i == Xboom_android && j == 7 ? 6 :
+                       i == Xboom_1 && j == 1 ? 2 :
+                       i == Xboom_1 && j == 2 ? 2 :
+                       i == Xboom_1 && j == 3 ? 4 :
+                       i == Xboom_1 && j == 4 ? 4 :
+                       i == Xboom_1 && j == 5 ? 6 :
+                       i == Xboom_1 && j == 6 ? 6 :
+                       i == Xboom_1 && j == 7 ? 8 :
+                       i == Xboom_2 && j == 0 ? 8 :
+                       i == Xboom_2 && j == 1 ? 8 :
+                       i == Xboom_2 && j == 2 ? 10 :
+                       i == Xboom_2 && j == 3 ? 10 :
+                       i == Xboom_2 && j == 4 ? 10 :
+                       i == Xboom_2 && j == 5 ? 12 :
+                       i == Xboom_2 && j == 6 ? 12 :
+                       i == Xboom_2 && j == 7 ? 12 :
+#if 0
+                       special_animation && j == 4 ? 3 :
+                       effective_action != action ? 0 :
+#endif
+                       j);
+#endif
 
-int map_element_EM_to_RND(int element_em)
-{
-  static unsigned short mapping_EM_to_RND[TILE_MAX];
-  static boolean mapping_initialized = FALSE;
+#if 0
+  int xxx_effective_action;
+  int xxx_has_action_graphics;
 
-  struct
   {
-    int element_em;
-    int element_rnd;
+    int element = object_mapping[i].element_rnd;
+    int action = object_mapping[i].action;
+    int direction = object_mapping[i].direction;
+    boolean is_backside = object_mapping[i].is_backside;
+#if 0
+    boolean action_removing = (action == ACTION_DIGGING ||
+                              action == ACTION_SNAPPING ||
+                              action == ACTION_COLLECTING);
+#endif
+    boolean action_exploding = ((action == ACTION_EXPLODING ||
+                                action == ACTION_SMASHED_BY_ROCK ||
+                                action == ACTION_SMASHED_BY_SPRING) &&
+                               element != EL_DIAMOND);
+    boolean action_active = (action == ACTION_ACTIVE);
+    boolean action_other = (action == ACTION_OTHER);
+
+    {
+#if 1
+      int effective_element = get_effective_element_EM(i, j);
+#else
+      int effective_element = (j > 5 && i == Yacid_splash_eB ? EL_EMPTY :
+                              j > 5 && i == Yacid_splash_wB ? EL_EMPTY :
+                              j < 7 ? element :
+                              i == Xdrip_stretch ? element :
+                              i == Xdrip_stretchB ? element :
+                              i == Ydrip_s1 ? element :
+                              i == Ydrip_s1B ? element :
+                              i == Xball_1B ? element :
+                              i == Xball_2 ? element :
+                              i == Xball_2B ? element :
+                              i == Yball_eat ? element :
+                              i == Ykey_1_eat ? element :
+                              i == Ykey_2_eat ? element :
+                              i == Ykey_3_eat ? element :
+                              i == Ykey_4_eat ? element :
+                              i == Ykey_5_eat ? element :
+                              i == Ykey_6_eat ? element :
+                              i == Ykey_7_eat ? element :
+                              i == Ykey_8_eat ? element :
+                              i == Ylenses_eat ? element :
+                              i == Ymagnify_eat ? element :
+                              i == Ygrass_eat ? element :
+                              i == Ydirt_eat ? element :
+                              i == Yemerald_stone ? EL_EMERALD :
+                              i == Ydiamond_stone ? EL_ROCK :
+                              i == Xsand_stonein_1 ? element :
+                              i == Xsand_stonein_2 ? element :
+                              i == Xsand_stonein_3 ? element :
+                              i == Xsand_stonein_4 ? element :
+                              is_backside ? EL_EMPTY :
+                              action_removing ? EL_EMPTY :
+                              element);
+#endif
+      int effective_action = (j < 7 ? action :
+                             i == Xdrip_stretch ? action :
+                             i == Xdrip_stretchB ? action :
+                             i == Ydrip_s1 ? action :
+                             i == Ydrip_s1B ? action :
+                             i == Xball_1B ? action :
+                             i == Xball_2 ? action :
+                             i == Xball_2B ? action :
+                             i == Yball_eat ? action :
+                             i == Ykey_1_eat ? action :
+                             i == Ykey_2_eat ? action :
+                             i == Ykey_3_eat ? action :
+                             i == Ykey_4_eat ? action :
+                             i == Ykey_5_eat ? action :
+                             i == Ykey_6_eat ? action :
+                             i == Ykey_7_eat ? action :
+                             i == Ykey_8_eat ? action :
+                             i == Ylenses_eat ? action :
+                             i == Ymagnify_eat ? action :
+                             i == Ygrass_eat ? action :
+                             i == Ydirt_eat ? action :
+                             i == Xsand_stonein_1 ? action :
+                             i == Xsand_stonein_2 ? action :
+                             i == Xsand_stonein_3 ? action :
+                             i == Xsand_stonein_4 ? action :
+                             i == Xsand_stoneout_1 ? action :
+                             i == Xsand_stoneout_2 ? action :
+                             i == Xboom_android ? ACTION_EXPLODING :
+                             action_exploding ? ACTION_EXPLODING :
+                             action_active ? action :
+                             action_other ? action :
+                             ACTION_DEFAULT);
+      int graphic = (el_act_dir2img(effective_element, effective_action,
+                                   direction));
+      int crumbled = (el_act_dir2crm(effective_element, effective_action,
+                                    direction));
+      int base_graphic = el_act2img(effective_element, ACTION_DEFAULT);
+      int base_crumbled = el_act2crm(effective_element, ACTION_DEFAULT);
+      boolean has_action_graphics = (graphic != base_graphic);
+      boolean has_crumbled_graphics = (base_crumbled != base_graphic);
+      struct GraphicInfo *g = &graphic_info[graphic];
+#if 0
+      struct GraphicInfo *g_crumbled = &graphic_info[crumbled];
+#endif
+      struct GraphicInfo_EM *g_em = &graphic_info_em_object[i][7 - j];
+      Bitmap *src_bitmap;
+      int src_x, src_y;
+      /* ensure to get symmetric 3-frame, 2-delay animations as used in EM */
+      boolean special_animation = (action != ACTION_DEFAULT &&
+                                  g->anim_frames == 3 &&
+                                  g->anim_delay == 2 &&
+                                  g->anim_mode & ANIM_LINEAR);
+      xxx_sync_frame = (i == Xdrip_stretch ? 7 :
+                       i == Xdrip_stretchB ? 7 :
+                       i == Ydrip_s2 ? j + 8 :
+                       i == Ydrip_s2B ? j + 8 :
+                       i == Xacid_1 ? 0 :
+                       i == Xacid_2 ? 10 :
+                       i == Xacid_3 ? 20 :
+                       i == Xacid_4 ? 30 :
+                       i == Xacid_5 ? 40 :
+                       i == Xacid_6 ? 50 :
+                       i == Xacid_7 ? 60 :
+                       i == Xacid_8 ? 70 :
+                       i == Xfake_acid_1 ? 0 :
+                       i == Xfake_acid_2 ? 10 :
+                       i == Xfake_acid_3 ? 20 :
+                       i == Xfake_acid_4 ? 30 :
+                       i == Xfake_acid_5 ? 40 :
+                       i == Xfake_acid_6 ? 50 :
+                       i == Xfake_acid_7 ? 60 :
+                       i == Xfake_acid_8 ? 70 :
+                       i == Xball_2 ? 7 :
+                       i == Xball_2B ? j + 8 :
+                       i == Yball_eat ? j + 1 :
+                       i == Ykey_1_eat ? j + 1 :
+                       i == Ykey_2_eat ? j + 1 :
+                       i == Ykey_3_eat ? j + 1 :
+                       i == Ykey_4_eat ? j + 1 :
+                       i == Ykey_5_eat ? j + 1 :
+                       i == Ykey_6_eat ? j + 1 :
+                       i == Ykey_7_eat ? j + 1 :
+                       i == Ykey_8_eat ? j + 1 :
+                       i == Ylenses_eat ? j + 1 :
+                       i == Ymagnify_eat ? j + 1 :
+                       i == Ygrass_eat ? j + 1 :
+                       i == Ydirt_eat ? j + 1 :
+                       i == Xamoeba_1 ? 0 :
+                       i == Xamoeba_2 ? 1 :
+                       i == Xamoeba_3 ? 2 :
+                       i == Xamoeba_4 ? 3 :
+                       i == Xamoeba_5 ? 0 :
+                       i == Xamoeba_6 ? 1 :
+                       i == Xamoeba_7 ? 2 :
+                       i == Xamoeba_8 ? 3 :
+                       i == Xexit_2 ? j + 8 :
+                       i == Xexit_3 ? j + 16 :
+                       i == Xdynamite_1 ? 0 :
+                       i == Xdynamite_2 ? 8 :
+                       i == Xdynamite_3 ? 16 :
+                       i == Xdynamite_4 ? 24 :
+                       i == Xsand_stonein_1 ? j + 1 :
+                       i == Xsand_stonein_2 ? j + 9 :
+                       i == Xsand_stonein_3 ? j + 17 :
+                       i == Xsand_stonein_4 ? j + 25 :
+                       i == Xsand_stoneout_1 && j == 0 ? 0 :
+                       i == Xsand_stoneout_1 && j == 1 ? 0 :
+                       i == Xsand_stoneout_1 && j == 2 ? 1 :
+                       i == Xsand_stoneout_1 && j == 3 ? 2 :
+                       i == Xsand_stoneout_1 && j == 4 ? 2 :
+                       i == Xsand_stoneout_1 && j == 5 ? 3 :
+                       i == Xsand_stoneout_1 && j == 6 ? 4 :
+                       i == Xsand_stoneout_1 && j == 7 ? 4 :
+                       i == Xsand_stoneout_2 && j == 0 ? 5 :
+                       i == Xsand_stoneout_2 && j == 1 ? 6 :
+                       i == Xsand_stoneout_2 && j == 2 ? 7 :
+                       i == Xsand_stoneout_2 && j == 3 ? 8 :
+                       i == Xsand_stoneout_2 && j == 4 ? 9 :
+                       i == Xsand_stoneout_2 && j == 5 ? 11 :
+                       i == Xsand_stoneout_2 && j == 6 ? 13 :
+                       i == Xsand_stoneout_2 && j == 7 ? 15 :
+                       i == Xboom_bug && j == 1 ? 2 :
+                       i == Xboom_bug && j == 2 ? 2 :
+                       i == Xboom_bug && j == 3 ? 4 :
+                       i == Xboom_bug && j == 4 ? 4 :
+                       i == Xboom_bug && j == 5 ? 2 :
+                       i == Xboom_bug && j == 6 ? 2 :
+                       i == Xboom_bug && j == 7 ? 0 :
+                       i == Xboom_bomb && j == 1 ? 2 :
+                       i == Xboom_bomb && j == 2 ? 2 :
+                       i == Xboom_bomb && j == 3 ? 4 :
+                       i == Xboom_bomb && j == 4 ? 4 :
+                       i == Xboom_bomb && j == 5 ? 2 :
+                       i == Xboom_bomb && j == 6 ? 2 :
+                       i == Xboom_bomb && j == 7 ? 0 :
+                       i == Xboom_android && j == 7 ? 6 :
+                       i == Xboom_1 && j == 1 ? 2 :
+                       i == Xboom_1 && j == 2 ? 2 :
+                       i == Xboom_1 && j == 3 ? 4 :
+                       i == Xboom_1 && j == 4 ? 4 :
+                       i == Xboom_1 && j == 5 ? 6 :
+                       i == Xboom_1 && j == 6 ? 6 :
+                       i == Xboom_1 && j == 7 ? 8 :
+                       i == Xboom_2 && j == 0 ? 8 :
+                       i == Xboom_2 && j == 1 ? 8 :
+                       i == Xboom_2 && j == 2 ? 10 :
+                       i == Xboom_2 && j == 3 ? 10 :
+                       i == Xboom_2 && j == 4 ? 10 :
+                       i == Xboom_2 && j == 5 ? 12 :
+                       i == Xboom_2 && j == 6 ? 12 :
+                       i == Xboom_2 && j == 7 ? 12 :
+                       special_animation && j == 4 ? 3 :
+                       effective_action != action ? 0 :
+                       j);
+
+      xxx_effective_action = effective_action;
+      xxx_has_action_graphics = has_action_graphics;
+    }
   }
-  mapping_EM_to_RND_list[] =
-  {
-    { Xblank,                  EL_EMPTY                        },
-    { Yacid_splash_eB,         EL_EMPTY                        },
-    { Yacid_splash_wB,         EL_EMPTY                        },
+#endif
 
-#ifdef EM_ENGINE_BAD_ROLL
-    { Xstone_force_e,          EL_ROCK                         },
-    { Xstone_force_w,          EL_ROCK                         },
-    { Xnut_force_e,            EL_NUT                          },
-    { Xnut_force_w,            EL_NUT                          },
-    { Xspring_force_e,         EL_SPRING                       },
-    { Xspring_force_w,         EL_SPRING                       },
-    { Xemerald_force_e,                EL_EMERALD                      },
-    { Xemerald_force_w,                EL_EMERALD                      },
-    { Xdiamond_force_e,                EL_DIAMOND                      },
-    { Xdiamond_force_w,                EL_DIAMOND                      },
-    { Xbomb_force_e,           EL_BOMB                         },
-    { Xbomb_force_w,           EL_BOMB                         },
-#endif
-
-    { Xstone,                  EL_ROCK                         },
-    { Xstone_pause,            EL_ROCK                         },
-    { Xstone_fall,             EL_ROCK                         },
-    { Ystone_s,                        EL_ROCK                         },
-    { Ystone_sB,               EL_ROCK                         },
-    { Ystone_e,                        EL_ROCK                         },
-    { Ystone_eB,               EL_ROCK                         },
-    { Ystone_w,                        EL_ROCK                         },
-    { Ystone_wB,               EL_ROCK                         },
-    { Xnut,                    EL_NUT                          },
-    { Xnut_pause,              EL_NUT                          },
-    { Xnut_fall,               EL_NUT                          },
-    { Ynut_s,                  EL_NUT                          },
-    { Ynut_sB,                 EL_NUT                          },
-    { Ynut_e,                  EL_NUT                          },
-    { Ynut_eB,                 EL_NUT                          },
-    { Ynut_w,                  EL_NUT                          },
-    { Ynut_wB,                 EL_NUT                          },
-    { Xbug_n,                  EL_BUG_UP                       },
-    { Xbug_e,                  EL_BUG_RIGHT                    },
-    { Xbug_s,                  EL_BUG_DOWN                     },
-    { Xbug_w,                  EL_BUG_LEFT                     },
-    { Xbug_gon,                        EL_BUG_UP                       },
-    { Xbug_goe,                        EL_BUG_RIGHT                    },
-    { Xbug_gos,                        EL_BUG_DOWN                     },
-    { Xbug_gow,                        EL_BUG_LEFT                     },
-    { Ybug_n,                  EL_BUG_UP                       },
-    { Ybug_nB,                 EL_BUG_UP                       },
-    { Ybug_e,                  EL_BUG_RIGHT                    },
-    { Ybug_eB,                 EL_BUG_RIGHT                    },
-    { Ybug_s,                  EL_BUG_DOWN                     },
-    { Ybug_sB,                 EL_BUG_DOWN                     },
-    { Ybug_w,                  EL_BUG_LEFT                     },
-    { Ybug_wB,                 EL_BUG_LEFT                     },
-    { Ybug_w_n,                        EL_BUG_UP                       },
-    { Ybug_n_e,                        EL_BUG_RIGHT                    },
-    { Ybug_e_s,                        EL_BUG_DOWN                     },
-    { Ybug_s_w,                        EL_BUG_LEFT                     },
-    { Ybug_e_n,                        EL_BUG_UP                       },
-    { Ybug_s_e,                        EL_BUG_RIGHT                    },
-    { Ybug_w_s,                        EL_BUG_DOWN                     },
-    { Ybug_n_w,                        EL_BUG_LEFT                     },
-    { Ybug_stone,              EL_ROCK                         },
-    { Ybug_spring,             EL_SPRING                       },
-    { Xtank_n,                 EL_SPACESHIP_UP                 },
-    { Xtank_e,                 EL_SPACESHIP_RIGHT              },
-    { Xtank_s,                 EL_SPACESHIP_DOWN               },
-    { Xtank_w,                 EL_SPACESHIP_LEFT               },
-    { Xtank_gon,               EL_SPACESHIP_UP                 },
-    { Xtank_goe,               EL_SPACESHIP_RIGHT              },
-    { Xtank_gos,               EL_SPACESHIP_DOWN               },
-    { Xtank_gow,               EL_SPACESHIP_LEFT               },
-    { Ytank_n,                 EL_SPACESHIP_UP                 },
-    { Ytank_nB,                        EL_SPACESHIP_UP                 },
-    { Ytank_e,                 EL_SPACESHIP_RIGHT              },
-    { Ytank_eB,                        EL_SPACESHIP_RIGHT              },
-    { Ytank_s,                 EL_SPACESHIP_DOWN               },
-    { Ytank_sB,                        EL_SPACESHIP_DOWN               },
-    { Ytank_w,                 EL_SPACESHIP_LEFT               },
-    { Ytank_wB,                        EL_SPACESHIP_LEFT               },
-    { Ytank_w_n,               EL_SPACESHIP_UP                 },
-    { Ytank_n_e,               EL_SPACESHIP_RIGHT              },
-    { Ytank_e_s,               EL_SPACESHIP_DOWN               },
-    { Ytank_s_w,               EL_SPACESHIP_LEFT               },
-    { Ytank_e_n,               EL_SPACESHIP_UP                 },
-    { Ytank_s_e,               EL_SPACESHIP_RIGHT              },
-    { Ytank_w_s,               EL_SPACESHIP_DOWN               },
-    { Ytank_n_w,               EL_SPACESHIP_LEFT               },
-    { Ytank_stone,             EL_ROCK                         },
-    { Ytank_spring,            EL_SPRING                       },
-    { Xandroid,                        EL_EMC_ANDROID                  },
-    { Xandroid_1_n,            EL_EMC_ANDROID_UP               },
-    { Xandroid_2_n,            EL_EMC_ANDROID_UP               },
-    { Xandroid_1_e,            EL_EMC_ANDROID_RIGHT            },
-    { Xandroid_2_e,            EL_EMC_ANDROID_RIGHT            },
-    { Xandroid_1_w,            EL_EMC_ANDROID_LEFT             },
-    { Xandroid_2_w,            EL_EMC_ANDROID_LEFT             },
-    { Xandroid_1_s,            EL_EMC_ANDROID_DOWN             },
-    { Xandroid_2_s,            EL_EMC_ANDROID_DOWN             },
-    { Yandroid_n,              EL_EMC_ANDROID_UP               },
-    { Yandroid_nB,             EL_EMC_ANDROID_UP               },
-    { Yandroid_ne,             EL_EMC_ANDROID_RIGHT_UP         },
-    { Yandroid_neB,            EL_EMC_ANDROID_RIGHT_UP         },
-    { Yandroid_e,              EL_EMC_ANDROID_RIGHT            },
-    { Yandroid_eB,             EL_EMC_ANDROID_RIGHT            },
-    { Yandroid_se,             EL_EMC_ANDROID_RIGHT_DOWN       },
-    { Yandroid_seB,            EL_EMC_ANDROID_RIGHT_DOWN       },
-    { Yandroid_s,              EL_EMC_ANDROID_DOWN             },
-    { Yandroid_sB,             EL_EMC_ANDROID_DOWN             },
-    { Yandroid_sw,             EL_EMC_ANDROID_LEFT_DOWN        },
-    { Yandroid_swB,            EL_EMC_ANDROID_LEFT_DOWN        },
-    { Yandroid_w,              EL_EMC_ANDROID_LEFT             },
-    { Yandroid_wB,             EL_EMC_ANDROID_LEFT             },
-    { Yandroid_nw,             EL_EMC_ANDROID_LEFT_UP          },
-    { Yandroid_nwB,            EL_EMC_ANDROID_LEFT_UP          },
-    { Xspring,                 EL_SPRING                       },
-    { Xspring_pause,           EL_SPRING                       },
-    { Xspring_e,               EL_SPRING                       },
-    { Xspring_w,               EL_SPRING                       },
-    { Xspring_fall,            EL_SPRING                       },
-    { Yspring_s,               EL_SPRING                       },
-    { Yspring_sB,              EL_SPRING                       },
-    { Yspring_e,               EL_SPRING                       },
-    { Yspring_eB,              EL_SPRING                       },
-    { Yspring_w,               EL_SPRING                       },
-    { Yspring_wB,              EL_SPRING                       },
-    { Yspring_kill_e,          EL_SPRING                       },
-    { Yspring_kill_eB,         EL_SPRING                       },
-    { Yspring_kill_w,          EL_SPRING                       },
-    { Yspring_kill_wB,         EL_SPRING                       },
-    { Xeater_n,                        EL_YAMYAM                       },
-    { Xeater_e,                        EL_YAMYAM                       },
-    { Xeater_w,                        EL_YAMYAM                       },
-    { Xeater_s,                        EL_YAMYAM                       },
-    { Yeater_n,                        EL_YAMYAM                       },
-    { Yeater_nB,               EL_YAMYAM                       },
-    { Yeater_e,                        EL_YAMYAM                       },
-    { Yeater_eB,               EL_YAMYAM                       },
-    { Yeater_s,                        EL_YAMYAM                       },
-    { Yeater_sB,               EL_YAMYAM                       },
-    { Yeater_w,                        EL_YAMYAM                       },
-    { Yeater_wB,               EL_YAMYAM                       },
-    { Yeater_stone,            EL_ROCK                         },
-    { Yeater_spring,           EL_SPRING                       },
-    { Xalien,                  EL_ROBOT                        },
-    { Xalien_pause,            EL_ROBOT                        },
-    { Yalien_n,                        EL_ROBOT                        },
-    { Yalien_nB,               EL_ROBOT                        },
-    { Yalien_e,                        EL_ROBOT                        },
-    { Yalien_eB,               EL_ROBOT                        },
-    { Yalien_s,                        EL_ROBOT                        },
-    { Yalien_sB,               EL_ROBOT                        },
-    { Yalien_w,                        EL_ROBOT                        },
-    { Yalien_wB,               EL_ROBOT                        },
-    { Yalien_stone,            EL_ROCK                         },
-    { Yalien_spring,           EL_SPRING                       },
-    { Xemerald,                        EL_EMERALD                      },
-    { Xemerald_pause,          EL_EMERALD                      },
-    { Xemerald_fall,           EL_EMERALD                      },
-    { Xemerald_shine,          EL_EMERALD                      },
-    { Yemerald_s,              EL_EMERALD                      },
-    { Yemerald_sB,             EL_EMERALD                      },
-    { Yemerald_e,              EL_EMERALD                      },
-    { Yemerald_eB,             EL_EMERALD                      },
-    { Yemerald_w,              EL_EMERALD                      },
-    { Yemerald_wB,             EL_EMERALD                      },
-    { Yemerald_eat,            EL_EMERALD                      },
-    { Yemerald_stone,          EL_ROCK                         },
-    { Xdiamond,                        EL_DIAMOND                      },
-    { Xdiamond_pause,          EL_DIAMOND                      },
-    { Xdiamond_fall,           EL_DIAMOND                      },
-    { Xdiamond_shine,          EL_DIAMOND                      },
-    { Ydiamond_s,              EL_DIAMOND                      },
-    { Ydiamond_sB,             EL_DIAMOND                      },
-    { Ydiamond_e,              EL_DIAMOND                      },
-    { Ydiamond_eB,             EL_DIAMOND                      },
-    { Ydiamond_w,              EL_DIAMOND                      },
-    { Ydiamond_wB,             EL_DIAMOND                      },
-    { Ydiamond_eat,            EL_DIAMOND                      },
-    { Ydiamond_stone,          EL_ROCK                         },
-    { Xdrip_fall,              EL_AMOEBA_DROP                  },
-    { Xdrip_stretch,           EL_AMOEBA_DROP                  },
-    { Xdrip_stretchB,          EL_AMOEBA_DROP                  },
-    { Xdrip_eat,               EL_AMOEBA_DROP                  },
-    { Ydrip_s1,                        EL_AMOEBA_DROP                  },
-    { Ydrip_s1B,               EL_AMOEBA_DROP                  },
-    { Ydrip_s2,                        EL_AMOEBA_DROP                  },
-    { Ydrip_s2B,               EL_AMOEBA_DROP                  },
-    { Xbomb,                   EL_BOMB                         },
-    { Xbomb_pause,             EL_BOMB                         },
-    { Xbomb_fall,              EL_BOMB                         },
-    { Ybomb_s,                 EL_BOMB                         },
-    { Ybomb_sB,                        EL_BOMB                         },
-    { Ybomb_e,                 EL_BOMB                         },
-    { Ybomb_eB,                        EL_BOMB                         },
-    { Ybomb_w,                 EL_BOMB                         },
-    { Ybomb_wB,                        EL_BOMB                         },
-    { Ybomb_eat,               EL_BOMB                         },
-    { Xballoon,                        EL_BALLOON                      },
-    { Yballoon_n,              EL_BALLOON                      },
-    { Yballoon_nB,             EL_BALLOON                      },
-    { Yballoon_e,              EL_BALLOON                      },
-    { Yballoon_eB,             EL_BALLOON                      },
-    { Yballoon_s,              EL_BALLOON                      },
-    { Yballoon_sB,             EL_BALLOON                      },
-    { Yballoon_w,              EL_BALLOON                      },
-    { Yballoon_wB,             EL_BALLOON                      },
-    { Xgrass,                  EL_SAND                         },
-    { Ygrass_nB,               EL_SAND                         },
-    { Ygrass_eB,               EL_SAND                         },
-    { Ygrass_sB,               EL_SAND                         },
-    { Ygrass_wB,               EL_SAND                         },
-    { Xdirt,                   EL_SAND                         },
-    { Ydirt_nB,                        EL_SAND                         },
-    { Ydirt_eB,                        EL_SAND                         },
-    { Ydirt_sB,                        EL_SAND                         },
-    { Ydirt_wB,                        EL_SAND                         },
-    { Xacid_ne,                        EL_ACID_POOL_TOPRIGHT           },
-    { Xacid_se,                        EL_ACID_POOL_BOTTOMRIGHT        },
-    { Xacid_s,                 EL_ACID_POOL_BOTTOM             },
-    { Xacid_sw,                        EL_ACID_POOL_BOTTOMLEFT         },
-    { Xacid_nw,                        EL_ACID_POOL_TOPLEFT            },
-    { Xacid_1,                 EL_ACID                         },
-    { Xacid_2,                 EL_ACID                         },
-    { Xacid_3,                 EL_ACID                         },
-    { Xacid_4,                 EL_ACID                         },
-    { Xacid_5,                 EL_ACID                         },
-    { Xacid_6,                 EL_ACID                         },
-    { Xacid_7,                 EL_ACID                         },
-    { Xacid_8,                 EL_ACID                         },
-    { Xball_1,                 EL_EMC_MAGIC_BALL               },
-    { Xball_1B,                        EL_EMC_MAGIC_BALL               },
-    { Xball_2,                 EL_EMC_MAGIC_BALL               },
-    { Xball_2B,                        EL_EMC_MAGIC_BALL               },
-    { Yball_eat,               EL_EMC_MAGIC_BALL               },
-    { Xgrow_ns,                        EL_EMC_GROW                     },
-    { Ygrow_ns_eat,            EL_EMC_GROW                     },
-    { Xgrow_ew,                        EL_EMC_GROW                     },
-    { Ygrow_ew_eat,            EL_EMC_GROW                     },
-    { Xwonderwall,             EL_MAGIC_WALL                   },
-    { XwonderwallB,            EL_MAGIC_WALL                   },
-    { Xamoeba_1,               EL_AMOEBA_WET                   },
-    { Xamoeba_2,               EL_AMOEBA_WET                   },
-    { Xamoeba_3,               EL_AMOEBA_WET                   },
-    { Xamoeba_4,               EL_AMOEBA_WET                   },
-    { Xamoeba_5,               EL_AMOEBA_WET                   },
-    { Xamoeba_6,               EL_AMOEBA_WET                   },
-    { Xamoeba_7,               EL_AMOEBA_WET                   },
-    { Xamoeba_8,               EL_AMOEBA_WET                   },
-    { Xdoor_1,                 EL_EM_GATE_1                    },
-    { Xdoor_2,                 EL_EM_GATE_2                    },
-    { Xdoor_3,                 EL_EM_GATE_3                    },
-    { Xdoor_4,                 EL_EM_GATE_4                    },
-    { Xdoor_5,                 EL_EMC_GATE_5                   },
-    { Xdoor_6,                 EL_EMC_GATE_6                   },
-    { Xdoor_7,                 EL_EMC_GATE_7                   },
-    { Xdoor_8,                 EL_EMC_GATE_8                   },
-    { Xkey_1,                  EL_EM_KEY_1                     },
-    { Xkey_2,                  EL_EM_KEY_2                     },
-    { Xkey_3,                  EL_EM_KEY_3                     },
-    { Xkey_4,                  EL_EM_KEY_4                     },
-    { Xkey_5,                  EL_EMC_KEY_5                    },
-    { Xkey_6,                  EL_EMC_KEY_6                    },
-    { Xkey_7,                  EL_EMC_KEY_7                    },
-    { Xkey_8,                  EL_EMC_KEY_8                    },
-    { Xwind_n,                 EL_BALLOON_SWITCH_UP            },
-    { Xwind_e,                 EL_BALLOON_SWITCH_RIGHT         },
-    { Xwind_s,                 EL_BALLOON_SWITCH_DOWN          },
-    { Xwind_w,                 EL_BALLOON_SWITCH_LEFT          },
-    { Xwind_nesw,              EL_BALLOON_SWITCH_ANY           },
-    { Xwind_stop,              EL_BALLOON_SWITCH_NONE          },
-    { Xexit,                   EL_EXIT_CLOSED                  },
-    { Xexit_1,                 EL_EXIT_OPEN                    },
-    { Xexit_2,                 EL_EXIT_OPEN                    },
-    { Xexit_3,                 EL_EXIT_OPEN                    },
-    { Xdynamite,               EL_DYNAMITE                     },
-    { Ydynamite_eat,           EL_DYNAMITE                     },
-    { Xdynamite_1,             EL_DYNAMITE_ACTIVE              },
-    { Xdynamite_2,             EL_DYNAMITE_ACTIVE              },
-    { Xdynamite_3,             EL_DYNAMITE_ACTIVE              },
-    { Xdynamite_4,             EL_DYNAMITE_ACTIVE              },
-    { Xbumper,                 EL_EMC_BUMPER                   },
-    { XbumperB,                        EL_EMC_BUMPER                   },
-    { Xwheel,                  EL_ROBOT_WHEEL                  },
-    { XwheelB,                 EL_ROBOT_WHEEL                  },
-    { Xswitch,                 EL_UNKNOWN                      },
-    { XswitchB,                        EL_UNKNOWN                      },
-    { Xsand,                   EL_QUICKSAND_EMPTY              },
-    { Xsand_stone,             EL_QUICKSAND_FULL               },
-    { Xsand_stonein_1,         EL_QUICKSAND_FULL               },
-    { Xsand_stonein_2,         EL_QUICKSAND_FULL               },
-    { Xsand_stonein_3,         EL_QUICKSAND_FULL               },
-    { Xsand_stonein_4,         EL_QUICKSAND_FULL               },
-    { Xsand_stonesand_1,       EL_QUICKSAND_FULL               },
-    { Xsand_stonesand_2,       EL_QUICKSAND_FULL               },
-    { Xsand_stonesand_3,       EL_QUICKSAND_FULL               },
-    { Xsand_stonesand_4,       EL_QUICKSAND_FULL               },
-    { Xsand_stoneout_1,                EL_QUICKSAND_FULL               },
-    { Xsand_stoneout_2,                EL_QUICKSAND_FULL               },
-    { Xsand_sandstone_1,       EL_QUICKSAND_FULL               },
-    { Xsand_sandstone_2,       EL_QUICKSAND_FULL               },
-    { Xsand_sandstone_3,       EL_QUICKSAND_FULL               },
-    { Xsand_sandstone_4,       EL_QUICKSAND_FULL               },
-    { Xplant,                  EL_EMC_PLANT                    },
-    { Yplant,                  EL_EMC_PLANT                    },
-    { Xlenses,                 EL_EMC_LENSES                   },
-    { Xmagnify,                        EL_EMC_MAGNIFIER                },
-    { Xdripper,                        EL_UNKNOWN                      },
-    { XdripperB,               EL_UNKNOWN                      },
-    { Xfake_blank,             EL_INVISIBLE_WALL               },
-    { Xfake_blankB,            EL_INVISIBLE_WALL               },
-    { Xfake_grass,             EL_INVISIBLE_SAND               },
-    { Xfake_grassB,            EL_INVISIBLE_SAND               },
-    { Xfake_door_1,            EL_EM_GATE_1_GRAY               },
-    { Xfake_door_2,            EL_EM_GATE_2_GRAY               },
-    { Xfake_door_3,            EL_EM_GATE_3_GRAY               },
-    { Xfake_door_4,            EL_EM_GATE_4_GRAY               },
-    { Xfake_door_5,            EL_EMC_GATE_5_GRAY              },
-    { Xfake_door_6,            EL_EMC_GATE_6_GRAY              },
-    { Xfake_door_7,            EL_EMC_GATE_7_GRAY              },
-    { Xfake_door_8,            EL_EMC_GATE_8_GRAY              },
-    { Xsteel_1,                        EL_STEELWALL                    },
-    { Xsteel_2,                        EL_UNKNOWN                      },
-    { Xsteel_3,                        EL_EMC_STEELWALL_1              },
-    { Xsteel_4,                        EL_UNKNOWN                      },
-    { Xwall_1,                 EL_WALL                         },
-    { Xwall_2,                 EL_UNKNOWN                      },
-    { Xwall_3,                 EL_UNKNOWN                      },
-    { Xwall_4,                 EL_UNKNOWN                      },
-    { Xround_wall_1,           EL_WALL_SLIPPERY                },
-    { Xround_wall_2,           EL_UNKNOWN                      },
-    { Xround_wall_3,           EL_UNKNOWN                      },
-    { Xround_wall_4,           EL_UNKNOWN                      },
-    { Xdecor_1,                        EL_UNKNOWN                      },
-    { Xdecor_2,                        EL_EMC_WALL_6                   },
-    { Xdecor_3,                        EL_EMC_WALL_4                   },
-    { Xdecor_4,                        EL_EMC_WALL_5                   },
-    { Xdecor_5,                        EL_EMC_WALL_7                   },
-    { Xdecor_6,                        EL_EMC_WALL_8                   },
-    { Xdecor_7,                        EL_UNKNOWN                      },
-    { Xdecor_8,                        EL_EMC_WALL_1                   },
-    { Xdecor_9,                        EL_EMC_WALL_2                   },
-    { Xdecor_10,               EL_EMC_WALL_3                   },
-    { Xdecor_11,               EL_UNKNOWN                      },
-    { Xdecor_12,               EL_UNKNOWN                      },
-    { Xalpha_0,                        EL_CHAR('0')                    },
-    { Xalpha_1,                        EL_CHAR('1')                    },
-    { Xalpha_2,                        EL_CHAR('2')                    },
-    { Xalpha_3,                        EL_CHAR('3')                    },
-    { Xalpha_4,                        EL_CHAR('4')                    },
-    { Xalpha_5,                        EL_CHAR('5')                    },
-    { Xalpha_6,                        EL_CHAR('6')                    },
-    { Xalpha_7,                        EL_CHAR('7')                    },
-    { Xalpha_8,                        EL_CHAR('8')                    },
-    { Xalpha_9,                        EL_CHAR('9')                    },
-    { Xalpha_excla,            EL_CHAR('!')                    },
-    { Xalpha_quote,            EL_CHAR('"')                    },
-    { Xalpha_comma,            EL_CHAR(',')                    },
-    { Xalpha_minus,            EL_CHAR('-')                    },
-    { Xalpha_perio,            EL_CHAR('.')                    },
-    { Xalpha_colon,            EL_CHAR(':')                    },
-    { Xalpha_quest,            EL_CHAR('?')                    },
-    { Xalpha_a,                        EL_CHAR('A')                    },
-    { Xalpha_b,                        EL_CHAR('B')                    },
-    { Xalpha_c,                        EL_CHAR('C')                    },
-    { Xalpha_d,                        EL_CHAR('D')                    },
-    { Xalpha_e,                        EL_CHAR('E')                    },
-    { Xalpha_f,                        EL_CHAR('F')                    },
-    { Xalpha_g,                        EL_CHAR('G')                    },
-    { Xalpha_h,                        EL_CHAR('H')                    },
-    { Xalpha_i,                        EL_CHAR('I')                    },
-    { Xalpha_j,                        EL_CHAR('J')                    },
-    { Xalpha_k,                        EL_CHAR('K')                    },
-    { Xalpha_l,                        EL_CHAR('L')                    },
-    { Xalpha_m,                        EL_CHAR('M')                    },
-    { Xalpha_n,                        EL_CHAR('N')                    },
-    { Xalpha_o,                        EL_CHAR('O')                    },
-    { Xalpha_p,                        EL_CHAR('P')                    },
-    { Xalpha_q,                        EL_CHAR('Q')                    },
-    { Xalpha_r,                        EL_CHAR('R')                    },
-    { Xalpha_s,                        EL_CHAR('S')                    },
-    { Xalpha_t,                        EL_CHAR('T')                    },
-    { Xalpha_u,                        EL_CHAR('U')                    },
-    { Xalpha_v,                        EL_CHAR('V')                    },
-    { Xalpha_w,                        EL_CHAR('W')                    },
-    { Xalpha_x,                        EL_CHAR('X')                    },
-    { Xalpha_y,                        EL_CHAR('Y')                    },
-    { Xalpha_z,                        EL_CHAR('Z')                    },
-    { Xalpha_arrow_e,          EL_CHAR('>')                    },
-    { Xalpha_arrow_w,          EL_CHAR('<')                    },
-    { Xalpha_copyr,            EL_CHAR('©')                    },
-
-    { Zplayer,                 EL_PLAYER_1                     },
-
-    { ZBORDER,                 EL_EMC_LEVEL_BORDER             },
-
-    { -1,                      -1                              }
-  };
+  int frame = getAnimationFrame(g->anim_frames,
+                               g->anim_delay,
+                               g->anim_mode,
+                               g->anim_start_frame,
+                               sync_frame);
 
-  if (!mapping_initialized)
-  {
-    int i;
 
-    /* return "EL_UNKNOWN" for all undefined elements in mapping array */
-    for (i = 0; i < TILE_MAX; i++)
-      mapping_EM_to_RND[i] = EL_UNKNOWN;
+#if 0
+  return;
+#endif
 
-    for (i = 0; mapping_EM_to_RND_list[i].element_em != -1; i++)
-      mapping_EM_to_RND[mapping_EM_to_RND_list[i].element_em] =
-       mapping_EM_to_RND_list[i].element_rnd;
+#if 0
+  if (frame_em == 7)
+    return;
+#endif
 
-    mapping_initialized = TRUE;
-  }
+#if 0
+  int old_src_x = g_em->src_x;
+  int old_src_y = g_em->src_y;
+#endif
 
-  if (element_em >= 0 && element_em < TILE_MAX)
-    return mapping_EM_to_RND[element_em];
+#if 1
+  getGraphicSourceExt(graphic, frame, &g_em->bitmap, &g_em->src_x, &g_em->src_y,
+                     g->double_movement && is_backside);
+#else
+  getGraphicSourceExt(graphic, frame, &g_em->bitmap,
+                     &g_em->src_x, &g_em->src_y, FALSE);
+#endif
 
-  Error(ERR_WARN, "invalid EM level element %d", element_em);
 
-  return EL_UNKNOWN;
-}
+#if 0
+  if (tile == Ydiamond_stone)
+    printf("::: stone smashing diamond... %d: %d, %d, %d, %d, %d -> %d [%d, %d, %d, %d, %d, %d] [%d]\n",
+          frame_em,
+          g->anim_frames,
+          g->anim_delay,
+          g->anim_mode,
+          g->anim_start_frame,
+          sync_frame,
+          frame,
+          g_em->src_x, g_em->src_y,
+          g_em->src_offset_x, g_em->src_offset_y,
+          g_em->dst_offset_x, g_em->dst_offset_y,
+          graphic);
+#endif
+
 
+#if 0
+  return;
 #endif
 
-int get_next_element(int element)
-{
-  switch(element)
+#if 0
+  if (frame_em == 7)
   {
-    case EL_QUICKSAND_FILLING:         return EL_QUICKSAND_FULL;
-    case EL_QUICKSAND_EMPTYING:                return EL_QUICKSAND_EMPTY;
-    case EL_MAGIC_WALL_FILLING:                return EL_MAGIC_WALL_FULL;
-    case EL_MAGIC_WALL_EMPTYING:       return EL_MAGIC_WALL_ACTIVE;
-    case EL_BD_MAGIC_WALL_FILLING:     return EL_BD_MAGIC_WALL_FULL;
-    case EL_BD_MAGIC_WALL_EMPTYING:    return EL_BD_MAGIC_WALL_ACTIVE;
-    case EL_AMOEBA_DROPPING:           return EL_AMOEBA_WET;
+    if (graphic == IMG_BUG_MOVING_RIGHT)
+      printf("::: %d, %d, %d: %d, %d [%d, %d -> %d, %d]\n", graphic, x, y,
+            g->double_movement, is_backside,
+            old_src_x, old_src_y, g_em->src_x, g_em->src_y);
 
-    default:                           return element;
+    return;
   }
-}
+#endif
 
-int el_act_dir2img(int element, int action, int direction)
-{
-  element = GFX_ELEMENT(element);
-  direction = MV_DIR_BIT(direction);   /* default: MV_NO_MOVING => MV_DOWN */
 
-  return element_info[element].direction_graphic[action][direction];
-}
+#if 0
+  g_em->src_offset_x = 0;
+  g_em->src_offset_y = 0;
+  g_em->dst_offset_x = 0;
+  g_em->dst_offset_y = 0;
+  g_em->width  = TILEX;
+  g_em->height = TILEY;
+
+  g_em->preserve_background = FALSE;
+#endif
 
-static int el_act_dir2crm(int element, int action, int direction)
-{
-  element = GFX_ELEMENT(element);
-  direction = MV_DIR_BIT(direction);   /* default: MV_NO_MOVING => MV_DOWN */
+  /* (updating the "crumbled" graphic definitions is probably not really needed,
+     as animations for crumbled graphics can't be longer than one EMC cycle) */
+#if 1
+  set_crumbled_graphics_EM(g_em, has_crumbled_graphics, crumbled,
+                          sync_frame);
 
-  return element_info[element].direction_crumbled[action][direction];
-}
+#else
 
-int el_act2img(int element, int action)
-{
-  element = GFX_ELEMENT(element);
+  g_em->crumbled_bitmap = NULL;
+  g_em->crumbled_src_x = 0;
+  g_em->crumbled_src_y = 0;
 
-  return element_info[element].graphic[action];
-}
+  g_em->has_crumbled_graphics = FALSE;
 
-int el_act2crm(int element, int action)
-{
-  element = GFX_ELEMENT(element);
+  if (has_crumbled_graphics && crumbled != IMG_EMPTY_SPACE)
+  {
+    int frame_crumbled = getAnimationFrame(g_crumbled->anim_frames,
+                                          g_crumbled->anim_delay,
+                                          g_crumbled->anim_mode,
+                                          g_crumbled->anim_start_frame,
+                                          sync_frame);
+
+    getGraphicSource(crumbled, frame_crumbled, &g_em->crumbled_bitmap,
+                    &g_em->crumbled_src_x, &g_em->crumbled_src_y);
+
+    g_em->has_crumbled_graphics = TRUE;
+  }
+#endif
+
+#if 0
+ {
+   int effective_action = xxx_effective_action;
+   int has_action_graphics = xxx_has_action_graphics;
+
+      if ((!g->double_movement && (effective_action == ACTION_FALLING ||
+                                  effective_action == ACTION_MOVING  ||
+                                  effective_action == ACTION_PUSHING ||
+                                  effective_action == ACTION_EATING)) ||
+         (!has_action_graphics && (effective_action == ACTION_FILLING ||
+                                   effective_action == ACTION_EMPTYING)))
+      {
+       int move_dir =
+         (effective_action == ACTION_FALLING ||
+          effective_action == ACTION_FILLING ||
+          effective_action == ACTION_EMPTYING ? MV_DOWN : direction);
+       int dx = (move_dir == MV_LEFT ? -1 : move_dir == MV_RIGHT ? 1 : 0);
+       int dy = (move_dir == MV_UP   ? -1 : move_dir == MV_DOWN  ? 1 : 0);
+       int num_steps = (i == Ydrip_s1  ? 16 :
+                        i == Ydrip_s1B ? 16 :
+                        i == Ydrip_s2  ? 16 :
+                        i == Ydrip_s2B ? 16 :
+                        i == Xsand_stonein_1 ? 32 :
+                        i == Xsand_stonein_2 ? 32 :
+                        i == Xsand_stonein_3 ? 32 :
+                        i == Xsand_stonein_4 ? 32 :
+                        i == Xsand_stoneout_1 ? 16 :
+                        i == Xsand_stoneout_2 ? 16 : 8);
+       int cx = ABS(dx) * (TILEX / num_steps);
+       int cy = ABS(dy) * (TILEY / num_steps);
+       int step_frame = (i == Ydrip_s2         ? j + 8 :
+                         i == Ydrip_s2B        ? j + 8 :
+                         i == Xsand_stonein_2  ? j + 8 :
+                         i == Xsand_stonein_3  ? j + 16 :
+                         i == Xsand_stonein_4  ? j + 24 :
+                         i == Xsand_stoneout_2 ? j + 8 : j) + 1;
+       int step = (is_backside ? step_frame : num_steps - step_frame);
+
+       if (is_backside)        /* tile where movement starts */
+       {
+         if (dx < 0 || dy < 0)
+         {
+           g_em->src_offset_x = cx * step;
+           g_em->src_offset_y = cy * step;
+         }
+         else
+         {
+           g_em->dst_offset_x = cx * step;
+           g_em->dst_offset_y = cy * step;
+         }
+       }
+       else                    /* tile where movement ends */
+       {
+         if (dx < 0 || dy < 0)
+         {
+           g_em->dst_offset_x = cx * step;
+           g_em->dst_offset_y = cy * step;
+         }
+         else
+         {
+           g_em->src_offset_x = cx * step;
+           g_em->src_offset_y = cy * step;
+         }
+       }
+
+       g_em->width  = TILEX - cx * step;
+       g_em->height = TILEY - cy * step;
+      }
+
+      /* create unique graphic identifier to decide if tile must be redrawn */
+      /* bit 31 - 16 (16 bit): EM style graphic
+        bit 15 - 12 ( 4 bit): EM style frame
+        bit 11 -  6 ( 6 bit): graphic width
+        bit  5 -  0 ( 6 bit): graphic height */
+      g_em->unique_identifier =
+       (graphic << 16) | (frame << 12) | (g_em->width << 6) | g_em->height;
+ }
+#endif
 
-  return element_info[element].crumbled[action];
 }
 
-int el_dir2img(int element, int direction)
+void getGraphicSourcePlayerExt_EM(struct GraphicInfo_EM *g_em,
+                                 int player_nr, int anim, int frame_em)
 {
-  element = GFX_ELEMENT(element);
+  int element   = player_mapping[player_nr][anim].element_rnd;
+  int action    = player_mapping[player_nr][anim].action;
+  int direction = player_mapping[player_nr][anim].direction;
+  int graphic = (direction == MV_NONE ?
+                el_act2img(element, action) :
+                el_act_dir2img(element, action, direction));
+  struct GraphicInfo *g = &graphic_info[graphic];
+  int sync_frame;
 
-  return el_act_dir2img(element, ACTION_DEFAULT, direction);
-}
+  InitPlayerGfxAnimation(&stored_player[player_nr], action, direction);
 
-int el2baseimg(int element)
-{
-  return element_info[element].graphic[ACTION_DEFAULT];
-}
+  stored_player[player_nr].StepFrame = frame_em;
 
-int el2img(int element)
-{
-  element = GFX_ELEMENT(element);
+  sync_frame = stored_player[player_nr].Frame;
 
-  return element_info[element].graphic[ACTION_DEFAULT];
-}
+  int frame = getAnimationFrame(g->anim_frames,
+                               g->anim_delay,
+                               g->anim_mode,
+                               g->anim_start_frame,
+                               sync_frame);
 
-int el2edimg(int element)
-{
-  element = GFX_ELEMENT(element);
+  getGraphicSourceExt(graphic, frame, &g_em->bitmap,
+                     &g_em->src_x, &g_em->src_y, FALSE);
 
-  return element_info[element].special_graphic[GFX_SPECIAL_ARG_EDITOR];
+#if 0
+  printf("::: %d: %d, %d [%d]\n",
+        player_nr,
+        stored_player[player_nr].Frame,
+        stored_player[player_nr].StepFrame,
+        FrameCounter);
+#endif
 }
 
-int el2preimg(int element)
+void InitGraphicInfo_EM(void)
 {
-  element = GFX_ELEMENT(element);
+#if 0
+  struct Mapping_EM_to_RND_object object_mapping[TILE_MAX];
+  struct Mapping_EM_to_RND_player player_mapping[MAX_PLAYERS][SPR_MAX];
+#endif
+  int i, j, p;
 
-  return element_info[element].special_graphic[GFX_SPECIAL_ARG_PREVIEW];
-}
+#if DEBUG_EM_GFX
+  int num_em_gfx_errors = 0;
 
-int getGameFrameDelay_EM(int native_em_game_frame_delay)
-{
-  return (GameFrameDelay == GAME_FRAME_DELAY ? native_em_game_frame_delay :
-         GameFrameDelay);
-}
+  if (graphic_info_em_object[0][0].bitmap == NULL)
+  {
+    /* EM graphics not yet initialized in em_open_all() */
 
-unsigned int InitRND(long seed)
-{
-  if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
-    return InitEngineRND_EM(seed);
-  else
-    return InitEngineRND(seed);
-}
+    return;
+  }
 
-void InitGraphicInfo_EM(void)
-{
-  int mapping_EM_to_RND_element[TILE_MAX];
-  int mapping_EM_to_RND_action[TILE_MAX];
-  int mapping_EM_to_RND_direction[TILE_MAX];
-  boolean mapping_EM_to_RND_backside[TILE_MAX];
-  int i, j;
+  printf("::: [4 errors can be ignored (1 x 'bomb', 3 x 'em_dynamite']\n");
+#endif
 
-  /* return "EL_UNKNOWN" for all undefined elements in mapping array */
+  /* always start with reliable default values */
   for (i = 0; i < TILE_MAX; i++)
   {
-    mapping_EM_to_RND_element[i] = EL_UNKNOWN;
-    mapping_EM_to_RND_backside[i] = FALSE;
-    mapping_EM_to_RND_action[i] = ACTION_DEFAULT;
-    mapping_EM_to_RND_direction[i] = MV_NO_MOVING;
+    object_mapping[i].element_rnd = EL_UNKNOWN;
+    object_mapping[i].is_backside = FALSE;
+    object_mapping[i].action = ACTION_DEFAULT;
+    object_mapping[i].direction = MV_NONE;
+  }
+
+  /* always start with reliable default values */
+  for (p = 0; p < MAX_PLAYERS; p++)
+  {
+    for (i = 0; i < SPR_MAX; i++)
+    {
+      player_mapping[p][i].element_rnd = EL_UNKNOWN;
+      player_mapping[p][i].action = ACTION_DEFAULT;
+      player_mapping[p][i].direction = MV_NONE;
+    }
+  }
+
+  for (i = 0; em_object_mapping_list[i].element_em != -1; i++)
+  {
+    int e = em_object_mapping_list[i].element_em;
+
+    object_mapping[e].element_rnd = em_object_mapping_list[i].element_rnd;
+    object_mapping[e].is_backside = em_object_mapping_list[i].is_backside;
+
+    if (em_object_mapping_list[i].action != -1)
+      object_mapping[e].action = em_object_mapping_list[i].action;
+
+    if (em_object_mapping_list[i].direction != -1)
+      object_mapping[e].direction =
+       MV_DIR_FROM_BIT(em_object_mapping_list[i].direction);
   }
 
-  for (i = 0; mapping_EM_to_RND_list[i].element_em != -1; i++)
+  for (i = 0; em_player_mapping_list[i].action_em != -1; i++)
   {
-    int e = mapping_EM_to_RND_list[i].element_em;
+    int a = em_player_mapping_list[i].action_em;
+    int p = em_player_mapping_list[i].player_nr;
 
-    mapping_EM_to_RND_element[e] = mapping_EM_to_RND_list[i].element_rnd;
-    mapping_EM_to_RND_backside[e] = mapping_EM_to_RND_list[i].is_backside;
+    player_mapping[p][a].element_rnd = em_player_mapping_list[i].element_rnd;
 
-    if (mapping_EM_to_RND_list[i].action != -1)
-      mapping_EM_to_RND_action[e] = mapping_EM_to_RND_list[i].action;
+    if (em_player_mapping_list[i].action != -1)
+      player_mapping[p][a].action = em_player_mapping_list[i].action;
 
-    if (mapping_EM_to_RND_list[i].direction != -1)
-      mapping_EM_to_RND_direction[e] = 1<< mapping_EM_to_RND_list[i].direction;
+    if (em_player_mapping_list[i].direction != -1)
+      player_mapping[p][a].direction =
+       MV_DIR_FROM_BIT(em_player_mapping_list[i].direction);
   }
 
   for (i = 0; i < TILE_MAX; i++)
   {
-    int element = mapping_EM_to_RND_element[i];
-    int action = mapping_EM_to_RND_action[i];
-    int direction = mapping_EM_to_RND_direction[i];
-    int backside = mapping_EM_to_RND_backside[i];
+    int element = object_mapping[i].element_rnd;
+    int action = object_mapping[i].action;
+    int direction = object_mapping[i].direction;
+    boolean is_backside = object_mapping[i].is_backside;
+#if 0
     boolean action_removing = (action == ACTION_DIGGING ||
                               action == ACTION_SNAPPING ||
                               action == ACTION_COLLECTING);
+#endif
     boolean action_exploding = ((action == ACTION_EXPLODING ||
                                 action == ACTION_SMASHED_BY_ROCK ||
                                 action == ACTION_SMASHED_BY_SPRING) &&
@@ -5354,8 +7755,12 @@ void InitGraphicInfo_EM(void)
 
     for (j = 0; j < 8; j++)
     {
-      int effective_element = (j < 7 ? element :
-                              i == Ynut_sB ? element :
+#if 1
+      int effective_element = get_effective_element_EM(i, j);
+#else
+      int effective_element = (j > 5 && i == Yacid_splash_eB ? EL_EMPTY :
+                              j > 5 && i == Yacid_splash_wB ? EL_EMPTY :
+                              j < 7 ? element :
                               i == Xdrip_stretch ? element :
                               i == Xdrip_stretchB ? element :
                               i == Ydrip_s1 ? element :
@@ -5364,15 +7769,29 @@ void InitGraphicInfo_EM(void)
                               i == Xball_2 ? element :
                               i == Xball_2B ? element :
                               i == Yball_eat ? element :
-                              i == Yspring_kill_e ? EL_SPRING :
-                              i == Yspring_kill_w ? EL_SPRING :
+                              i == Ykey_1_eat ? element :
+                              i == Ykey_2_eat ? element :
+                              i == Ykey_3_eat ? element :
+                              i == Ykey_4_eat ? element :
+                              i == Ykey_5_eat ? element :
+                              i == Ykey_6_eat ? element :
+                              i == Ykey_7_eat ? element :
+                              i == Ykey_8_eat ? element :
+                              i == Ylenses_eat ? element :
+                              i == Ymagnify_eat ? element :
+                              i == Ygrass_eat ? element :
+                              i == Ydirt_eat ? element :
                               i == Yemerald_stone ? EL_EMERALD :
                               i == Ydiamond_stone ? EL_ROCK :
-                              backside ? EL_EMPTY :
+                              i == Xsand_stonein_1 ? element :
+                              i == Xsand_stonein_2 ? element :
+                              i == Xsand_stonein_3 ? element :
+                              i == Xsand_stonein_4 ? element :
+                              is_backside ? EL_EMPTY :
                               action_removing ? EL_EMPTY :
                               element);
+#endif
       int effective_action = (j < 7 ? action :
-                             i == Ynut_sB ? action :
                              i == Xdrip_stretch ? action :
                              i == Xdrip_stretchB ? action :
                              i == Ydrip_s1 ? action :
@@ -5381,6 +7800,18 @@ void InitGraphicInfo_EM(void)
                              i == Xball_2 ? action :
                              i == Xball_2B ? action :
                              i == Yball_eat ? action :
+                             i == Ykey_1_eat ? action :
+                             i == Ykey_2_eat ? action :
+                             i == Ykey_3_eat ? action :
+                             i == Ykey_4_eat ? action :
+                             i == Ykey_5_eat ? action :
+                             i == Ykey_6_eat ? action :
+                             i == Ykey_7_eat ? action :
+                             i == Ykey_8_eat ? action :
+                             i == Ylenses_eat ? action :
+                             i == Ymagnify_eat ? action :
+                             i == Ygrass_eat ? action :
+                             i == Ydirt_eat ? action :
                              i == Xsand_stonein_1 ? action :
                              i == Xsand_stonein_2 ? action :
                              i == Xsand_stonein_3 ? action :
@@ -5392,29 +7823,61 @@ void InitGraphicInfo_EM(void)
                              action_active ? action :
                              action_other ? action :
                              ACTION_DEFAULT);
-      int graphic = (direction == MV_NO_MOVING ?
-                    el_act2img(effective_element, effective_action) :
-                    el_act_dir2img(effective_element, effective_action,
+      int graphic = (el_act_dir2img(effective_element, effective_action,
                                    direction));
+      int crumbled = (el_act_dir2crm(effective_element, effective_action,
+                                    direction));
+      int base_graphic = el_act2img(effective_element, ACTION_DEFAULT);
+      int base_crumbled = el_act2crm(effective_element, ACTION_DEFAULT);
+      boolean has_action_graphics = (graphic != base_graphic);
+      boolean has_crumbled_graphics = (base_crumbled != base_graphic);
       struct GraphicInfo *g = &graphic_info[graphic];
-      struct GraphicInfo_EM *g_em = &graphic_info_em[i][7 - j];
+#if 0
+      struct GraphicInfo *g_crumbled = &graphic_info[crumbled];
+#endif
+      struct GraphicInfo_EM *g_em = &graphic_info_em_object[i][7 - j];
       Bitmap *src_bitmap;
       int src_x, src_y;
+      /* ensure to get symmetric 3-frame, 2-delay animations as used in EM */
+      boolean special_animation = (action != ACTION_DEFAULT &&
+                                  g->anim_frames == 3 &&
+                                  g->anim_delay == 2 &&
+                                  g->anim_mode & ANIM_LINEAR);
       int sync_frame = (i == Xdrip_stretch ? 7 :
                        i == Xdrip_stretchB ? 7 :
                        i == Ydrip_s2 ? j + 8 :
                        i == Ydrip_s2B ? j + 8 :
                        i == Xacid_1 ? 0 :
-                       i == Xacid_2 ? 1 :
-                       i == Xacid_3 ? 2 :
-                       i == Xacid_4 ? 3 :
-                       i == Xacid_5 ? 4 :
-                       i == Xacid_6 ? 5 :
-                       i == Xacid_7 ? 6 :
-                       i == Xacid_8 ? 7 :
+                       i == Xacid_2 ? 10 :
+                       i == Xacid_3 ? 20 :
+                       i == Xacid_4 ? 30 :
+                       i == Xacid_5 ? 40 :
+                       i == Xacid_6 ? 50 :
+                       i == Xacid_7 ? 60 :
+                       i == Xacid_8 ? 70 :
+                       i == Xfake_acid_1 ? 0 :
+                       i == Xfake_acid_2 ? 10 :
+                       i == Xfake_acid_3 ? 20 :
+                       i == Xfake_acid_4 ? 30 :
+                       i == Xfake_acid_5 ? 40 :
+                       i == Xfake_acid_6 ? 50 :
+                       i == Xfake_acid_7 ? 60 :
+                       i == Xfake_acid_8 ? 70 :
                        i == Xball_2 ? 7 :
                        i == Xball_2B ? j + 8 :
                        i == Yball_eat ? j + 1 :
+                       i == Ykey_1_eat ? j + 1 :
+                       i == Ykey_2_eat ? j + 1 :
+                       i == Ykey_3_eat ? j + 1 :
+                       i == Ykey_4_eat ? j + 1 :
+                       i == Ykey_5_eat ? j + 1 :
+                       i == Ykey_6_eat ? j + 1 :
+                       i == Ykey_7_eat ? j + 1 :
+                       i == Ykey_8_eat ? j + 1 :
+                       i == Ylenses_eat ? j + 1 :
+                       i == Ymagnify_eat ? j + 1 :
+                       i == Ygrass_eat ? j + 1 :
+                       i == Ydirt_eat ? j + 1 :
                        i == Xamoeba_1 ? 0 :
                        i == Xamoeba_2 ? 1 :
                        i == Xamoeba_3 ? 2 :
@@ -5426,57 +7889,64 @@ void InitGraphicInfo_EM(void)
                        i == Xexit_2 ? j + 8 :
                        i == Xexit_3 ? j + 16 :
                        i == Xdynamite_1 ? 0 :
-                       i == Xdynamite_2 ? 2 :
-                       i == Xdynamite_3 ? 4 :
-                       i == Xdynamite_4 ? 6 :
+                       i == Xdynamite_2 ? 8 :
+                       i == Xdynamite_3 ? 16 :
+                       i == Xdynamite_4 ? 24 :
                        i == Xsand_stonein_1 ? j + 1 :
                        i == Xsand_stonein_2 ? j + 9 :
                        i == Xsand_stonein_3 ? j + 17 :
                        i == Xsand_stonein_4 ? j + 25 :
-                       i == Xsand_stoneout_1 && j == 0 ? 1 :
-                       i == Xsand_stoneout_1 && j == 1 ? 1 :
-                       i == Xsand_stoneout_1 && j == 2 ? 2 :
-                       i == Xsand_stoneout_1 && j == 3 ? 4 :
-                       i == Xsand_stoneout_1 && j == 4 ? 4 :
-                       i == Xsand_stoneout_1 && j == 5 ? 6 :
-                       i == Xsand_stoneout_1 && j == 6 ? 8 :
-                       i == Xsand_stoneout_1 && j == 7 ? 8 :
-                       i == Xsand_stoneout_2 && j == 0 ? 10 :
-                       i == Xsand_stoneout_2 && j == 1 ? 12 :
-                       i == Xsand_stoneout_2 && j == 2 ? 14 :
-                       i == Xsand_stoneout_2 && j == 3 ? 16 :
-                       i == Xsand_stoneout_2 && j == 4 ? 18 :
-                       i == Xsand_stoneout_2 && j == 5 ? 22 :
-                       i == Xsand_stoneout_2 && j == 6 ? 26 :
-                       i == Xsand_stoneout_2 && j == 7 ? 30 :
-                       i == Xboom_bug && j == 2 ? 1 :
-                       i == Xboom_bug && j == 3 ? 2 :
-                       i == Xboom_bug && j == 4 ? 2 :
-                       i == Xboom_bug && j == 5 ? 1 :
-                       i == Xboom_bug && j == 6 ? 1 :
+                       i == Xsand_stoneout_1 && j == 0 ? 0 :
+                       i == Xsand_stoneout_1 && j == 1 ? 0 :
+                       i == Xsand_stoneout_1 && j == 2 ? 1 :
+                       i == Xsand_stoneout_1 && j == 3 ? 2 :
+                       i == Xsand_stoneout_1 && j == 4 ? 2 :
+                       i == Xsand_stoneout_1 && j == 5 ? 3 :
+                       i == Xsand_stoneout_1 && j == 6 ? 4 :
+                       i == Xsand_stoneout_1 && j == 7 ? 4 :
+                       i == Xsand_stoneout_2 && j == 0 ? 5 :
+                       i == Xsand_stoneout_2 && j == 1 ? 6 :
+                       i == Xsand_stoneout_2 && j == 2 ? 7 :
+                       i == Xsand_stoneout_2 && j == 3 ? 8 :
+                       i == Xsand_stoneout_2 && j == 4 ? 9 :
+                       i == Xsand_stoneout_2 && j == 5 ? 11 :
+                       i == Xsand_stoneout_2 && j == 6 ? 13 :
+                       i == Xsand_stoneout_2 && j == 7 ? 15 :
+                       i == Xboom_bug && j == 1 ? 2 :
+                       i == Xboom_bug && j == 2 ? 2 :
+                       i == Xboom_bug && j == 3 ? 4 :
+                       i == Xboom_bug && j == 4 ? 4 :
+                       i == Xboom_bug && j == 5 ? 2 :
+                       i == Xboom_bug && j == 6 ? 2 :
                        i == Xboom_bug && j == 7 ? 0 :
-                       i == Xboom_bomb && j == 2 ? 1 :
-                       i == Xboom_bomb && j == 3 ? 2 :
-                       i == Xboom_bomb && j == 4 ? 2 :
-                       i == Xboom_bomb && j == 5 ? 1 :
-                       i == Xboom_bomb && j == 6 ? 1 :
+                       i == Xboom_bomb && j == 1 ? 2 :
+                       i == Xboom_bomb && j == 2 ? 2 :
+                       i == Xboom_bomb && j == 3 ? 4 :
+                       i == Xboom_bomb && j == 4 ? 4 :
+                       i == Xboom_bomb && j == 5 ? 2 :
+                       i == Xboom_bomb && j == 6 ? 2 :
                        i == Xboom_bomb && j == 7 ? 0 :
-                       i == Xboom_android && j == 7 ? 3 :
-                       i == Xboom_1 && j == 2 ? 1 :
-                       i == Xboom_1 && j == 3 ? 2 :
-                       i == Xboom_1 && j == 4 ? 2 :
-                       i == Xboom_1 && j == 5 ? 3 :
-                       i == Xboom_1 && j == 6 ? 3 :
-                       i == Xboom_1 && j == 7 ? 4 :
-                       i == Xboom_2 && j == 0 ? 4 :
-                       i == Xboom_2 && j == 1 ? 4 :
-                       i == Xboom_2 && j == 2 ? 5 :
-                       i == Xboom_2 && j == 3 ? 5 :
-                       i == Xboom_2 && j == 4 ? 5 :
-                       i == Xboom_2 && j == 5 ? 6 :
+                       i == Xboom_android && j == 7 ? 6 :
+                       i == Xboom_1 && j == 1 ? 2 :
+                       i == Xboom_1 && j == 2 ? 2 :
+                       i == Xboom_1 && j == 3 ? 4 :
+                       i == Xboom_1 && j == 4 ? 4 :
+                       i == Xboom_1 && j == 5 ? 6 :
+                       i == Xboom_1 && j == 6 ? 6 :
+                       i == Xboom_1 && j == 7 ? 8 :
+                       i == Xboom_2 && j == 0 ? 8 :
+                       i == Xboom_2 && j == 1 ? 8 :
+                       i == Xboom_2 && j == 2 ? 10 :
+                       i == Xboom_2 && j == 3 ? 10 :
+                       i == Xboom_2 && j == 4 ? 10 :
+                       i == Xboom_2 && j == 5 ? 12 :
+                       i == Xboom_2 && j == 6 ? 12 :
+                       i == Xboom_2 && j == 7 ? 12 :
+                       special_animation && j == 4 ? 3 :
                        effective_action != action ? 0 :
                        j);
-#if 1
+
+#if DEBUG_EM_GFX
       Bitmap *debug_bitmap = g_em->bitmap;
       int debug_src_x = g_em->src_x;
       int debug_src_y = g_em->src_y;
@@ -5489,9 +7959,8 @@ void InitGraphicInfo_EM(void)
                                    sync_frame);
 
       getGraphicSourceExt(graphic, frame, &src_bitmap, &src_x, &src_y,
-                         g->double_movement && backside);
+                         g->double_movement && is_backside);
 
-#if 1
       g_em->bitmap = src_bitmap;
       g_em->src_x = src_x;
       g_em->src_y = src_y;
@@ -5501,56 +7970,156 @@ void InitGraphicInfo_EM(void)
       g_em->dst_offset_y = 0;
       g_em->width  = TILEX;
       g_em->height = TILEY;
-#endif
+
+      g_em->preserve_background = FALSE;
 
 #if 1
-      if (!g->double_movement && (effective_action == ACTION_FALLING ||
-                                 effective_action == ACTION_MOVING ||
-                                 effective_action == ACTION_PUSHING))
+      set_crumbled_graphics_EM(g_em, has_crumbled_graphics, crumbled,
+                              sync_frame);
+
+#else
+
+      g_em->crumbled_bitmap = NULL;
+      g_em->crumbled_src_x = 0;
+      g_em->crumbled_src_y = 0;
+      g_em->crumbled_border_size = 0;
+
+      g_em->has_crumbled_graphics = FALSE;
+
+#if 0
+      if (has_crumbled_graphics && crumbled == IMG_EMPTY_SPACE)
+       printf("::: empty crumbled: %d [%s], %d, %d\n",
+              effective_element, element_info[effective_element].token_name,
+              effective_action, direction);
+#endif
+
+      /* if element can be crumbled, but certain action graphics are just empty
+        space (like instantly snapping sand to empty space in 1 frame), do not
+        treat these empty space graphics as crumbled graphics in EMC engine */
+      if (has_crumbled_graphics && crumbled != IMG_EMPTY_SPACE)
+      {
+       int frame_crumbled = getAnimationFrame(g_crumbled->anim_frames,
+                                              g_crumbled->anim_delay,
+                                              g_crumbled->anim_mode,
+                                              g_crumbled->anim_start_frame,
+                                              sync_frame);
+
+       getGraphicSource(crumbled, frame_crumbled, &src_bitmap, &src_x, &src_y);
+
+       g_em->has_crumbled_graphics = TRUE;
+       g_em->crumbled_bitmap = src_bitmap;
+       g_em->crumbled_src_x = src_x;
+       g_em->crumbled_src_y = src_y;
+       g_em->crumbled_border_size = graphic_info[crumbled].border_size;
+
+
+#if 0
+       if (g_em == &graphic_info_em_object[207][0])
+         printf("... %d, %d [%d, %d, %d, %d] [%d, %d, %d, %d, %d, %d => %d]\n",
+                graphic_info_em_object[207][0].crumbled_src_x,
+                graphic_info_em_object[207][0].crumbled_src_y,
+
+                crumbled, frame, src_x, src_y,
+
+                g->anim_frames,
+                g->anim_delay,
+                g->anim_mode,
+                g->anim_start_frame,
+                sync_frame,
+                gfx.anim_random_frame,
+                frame);
+#endif
+
+#if 0
+       printf("::: EMC tile %d is crumbled\n", i);
+#endif
+      }
+#endif
+
+#if 0
+      if (element == EL_ROCK &&
+         effective_action == ACTION_FILLING)
+       printf("::: has_action_graphics == %d\n", has_action_graphics);
+#endif
+
+      if ((!g->double_movement && (effective_action == ACTION_FALLING ||
+                                  effective_action == ACTION_MOVING  ||
+                                  effective_action == ACTION_PUSHING ||
+                                  effective_action == ACTION_EATING)) ||
+         (!has_action_graphics && (effective_action == ACTION_FILLING ||
+                                   effective_action == ACTION_EMPTYING)))
       {
        int move_dir =
-         (effective_action == ACTION_FALLING ? MV_DOWN : direction);
+         (effective_action == ACTION_FALLING ||
+          effective_action == ACTION_FILLING ||
+          effective_action == ACTION_EMPTYING ? MV_DOWN : direction);
        int dx = (move_dir == MV_LEFT ? -1 : move_dir == MV_RIGHT ? 1 : 0);
        int dy = (move_dir == MV_UP   ? -1 : move_dir == MV_DOWN  ? 1 : 0);
-       int cx = ABS(dx) * TILEX / 8;
-       int cy = ABS(dy) * TILEY / 8;
-
-       if (backside)           /* tile where movement starts */
+       int num_steps = (i == Ydrip_s1  ? 16 :
+                        i == Ydrip_s1B ? 16 :
+                        i == Ydrip_s2  ? 16 :
+                        i == Ydrip_s2B ? 16 :
+                        i == Xsand_stonein_1 ? 32 :
+                        i == Xsand_stonein_2 ? 32 :
+                        i == Xsand_stonein_3 ? 32 :
+                        i == Xsand_stonein_4 ? 32 :
+                        i == Xsand_stoneout_1 ? 16 :
+                        i == Xsand_stoneout_2 ? 16 : 8);
+       int cx = ABS(dx) * (TILEX / num_steps);
+       int cy = ABS(dy) * (TILEY / num_steps);
+       int step_frame = (i == Ydrip_s2         ? j + 8 :
+                         i == Ydrip_s2B        ? j + 8 :
+                         i == Xsand_stonein_2  ? j + 8 :
+                         i == Xsand_stonein_3  ? j + 16 :
+                         i == Xsand_stonein_4  ? j + 24 :
+                         i == Xsand_stoneout_2 ? j + 8 : j) + 1;
+       int step = (is_backside ? step_frame : num_steps - step_frame);
+
+       if (is_backside)        /* tile where movement starts */
        {
          if (dx < 0 || dy < 0)
          {
-           g_em->src_offset_x = cx * (j + 1);
-           g_em->src_offset_y = cy * (j + 1);
+           g_em->src_offset_x = cx * step;
+           g_em->src_offset_y = cy * step;
          }
          else
          {
-           g_em->dst_offset_x = cx * (j + 1);
-           g_em->dst_offset_y = cy * (j + 1);
+           g_em->dst_offset_x = cx * step;
+           g_em->dst_offset_y = cy * step;
          }
-
-         g_em->width  = TILEX - cx * (j + 1);
-         g_em->height = TILEY - cy * (j + 1);
        }
        else                    /* tile where movement ends */
        {
          if (dx < 0 || dy < 0)
          {
-           g_em->dst_offset_x = cx * (7 - j);
-           g_em->dst_offset_y = cy * (7 - j);
+           g_em->dst_offset_x = cx * step;
+           g_em->dst_offset_y = cy * step;
          }
          else
          {
-           g_em->src_offset_x = cx * (7 - j);
-           g_em->src_offset_y = cy * (7 - j);
+           g_em->src_offset_x = cx * step;
+           g_em->src_offset_y = cy * step;
          }
-
-         g_em->width  = TILEX - cx * (7 - j);
-         g_em->height = TILEY - cy * (7 - j);
        }
+
+       g_em->width  = TILEX - cx * step;
+       g_em->height = TILEY - cy * step;
       }
-#endif
 
-#if 0
+      /* create unique graphic identifier to decide if tile must be redrawn */
+      /* bit 31 - 16 (16 bit): EM style graphic
+        bit 15 - 12 ( 4 bit): EM style frame
+        bit 11 -  6 ( 6 bit): graphic width
+        bit  5 -  0 ( 6 bit): graphic height */
+      g_em->unique_identifier =
+       (graphic << 16) | (frame << 12) | (g_em->width << 6) | g_em->height;
+
+#if DEBUG_EM_GFX
+
+      /* skip check for EMC elements not contained in original EMC artwork */
+      if (element == EL_EMC_FAKE_ACID)
+       continue;
+
       if (g_em->bitmap != debug_bitmap ||
          g_em->src_x != debug_src_x ||
          g_em->src_y != debug_src_y ||
@@ -5566,27 +8135,28 @@ void InitGraphicInfo_EM(void)
        if (i != last_i)
        {
          printf("\n");
-
          last_i = i;
        }
 
-       printf("::: EMC GFX ERROR for element %d -> %d ('%s')",
-              i, element, element_info[element].token_name);
+       printf("::: EMC GFX ERROR for element %d -> %d ('%s', '%s', %d)",
+              i, element, element_info[element].token_name,
+              element_action_info[effective_action].suffix, direction);
 
        if (element != effective_element)
          printf(" [%d ('%s')]",
-                effective_element,element_info[effective_element].token_name);
+                effective_element,
+                element_info[effective_element].token_name);
 
        printf("\n");
 
        if (g_em->bitmap != debug_bitmap)
-         printf("    %d(%d): different bitmap!\n",
-                j, backside);
+         printf("    %d (%d): different bitmap! (0x%08x != 0x%08x)\n",
+                j, is_backside, (int)(g_em->bitmap), (int)(debug_bitmap));
 
        if (g_em->src_x != debug_src_x ||
            g_em->src_y != debug_src_y)
          printf("    frame %d (%c): %d,%d (%d,%d) should be %d,%d (%d,%d)\n",
-                j, (backside ? 'B' : 'F'),
+                j, (is_backside ? 'B' : 'F'),
                 g_em->src_x, g_em->src_y,
                 g_em->src_x / 32, g_em->src_y / 32,
                 debug_src_x, debug_src_y,
@@ -5596,23 +8166,417 @@ void InitGraphicInfo_EM(void)
            g_em->src_offset_y != 0 ||
            g_em->dst_offset_x != 0 ||
            g_em->dst_offset_y != 0)
-         printf("    %d(%d): offsets %d,%d and %d,%d should be all 0\n",
-                j, backside,
+         printf("    %d (%d): offsets %d,%d and %d,%d should be all 0\n",
+                j, is_backside,
                 g_em->src_offset_x, g_em->src_offset_y,
                 g_em->dst_offset_x, g_em->dst_offset_y);
 
        if (g_em->width != TILEX ||
            g_em->height != TILEY)
-         printf("    %d(%d): size %d,%d should be %d,%d\n",
-                j, backside,
+         printf("    %d (%d): size %d,%d should be %d,%d\n",
+                j, is_backside,
                 g_em->width, g_em->height, TILEX, TILEY);
+
+       num_em_gfx_errors++;
       }
 #endif
 
     }
   }
 
-#if 0
+  for (i = 0; i < TILE_MAX; i++)
+  {
+    for (j = 0; j < 8; j++)
+    {
+      int element = object_mapping[i].element_rnd;
+      int action = object_mapping[i].action;
+      int direction = object_mapping[i].direction;
+      boolean is_backside = object_mapping[i].is_backside;
+      int graphic_action  = el_act_dir2img(element, action, direction);
+      int graphic_default = el_act_dir2img(element, ACTION_DEFAULT, direction);
+
+      if ((action == ACTION_SMASHED_BY_ROCK ||
+          action == ACTION_SMASHED_BY_SPRING ||
+          action == ACTION_EATING) &&
+         graphic_action == graphic_default)
+      {
+       int e = (action == ACTION_SMASHED_BY_ROCK   ? Ystone_s  :
+                action == ACTION_SMASHED_BY_SPRING ? Yspring_s :
+                direction == MV_LEFT  ? (is_backside? Yspring_wB: Yspring_w) :
+                direction == MV_RIGHT ? (is_backside? Yspring_eB: Yspring_e) :
+                Xspring);
+
+       /* no separate animation for "smashed by rock" -- use rock instead */
+       struct GraphicInfo_EM *g_em = &graphic_info_em_object[i][7 - j];
+       struct GraphicInfo_EM *g_xx = &graphic_info_em_object[e][7 - j];
+
+       g_em->bitmap            = g_xx->bitmap;
+       g_em->src_x             = g_xx->src_x;
+       g_em->src_y             = g_xx->src_y;
+       g_em->src_offset_x      = g_xx->src_offset_x;
+       g_em->src_offset_y      = g_xx->src_offset_y;
+       g_em->dst_offset_x      = g_xx->dst_offset_x;
+       g_em->dst_offset_y      = g_xx->dst_offset_y;
+       g_em->width             = g_xx->width;
+       g_em->height            = g_xx->height;
+       g_em->unique_identifier = g_xx->unique_identifier;
+
+       if (!is_backside)
+         g_em->preserve_background = TRUE;
+      }
+    }
+  }
+
+  for (p = 0; p < MAX_PLAYERS; p++)
+  {
+    for (i = 0; i < SPR_MAX; i++)
+    {
+      int element = player_mapping[p][i].element_rnd;
+      int action = player_mapping[p][i].action;
+      int direction = player_mapping[p][i].direction;
+
+      for (j = 0; j < 8; j++)
+      {
+       int effective_element = element;
+       int effective_action = action;
+       int graphic = (direction == MV_NONE ?
+                      el_act2img(effective_element, effective_action) :
+                      el_act_dir2img(effective_element, effective_action,
+                                     direction));
+       struct GraphicInfo *g = &graphic_info[graphic];
+       struct GraphicInfo_EM *g_em = &graphic_info_em_player[p][i][7 - j];
+       Bitmap *src_bitmap;
+       int src_x, src_y;
+       int sync_frame = j;
+
+#if DEBUG_EM_GFX
+       Bitmap *debug_bitmap = g_em->bitmap;
+       int debug_src_x = g_em->src_x;
+       int debug_src_y = g_em->src_y;
+#endif
+
+       int frame = getAnimationFrame(g->anim_frames,
+                                     g->anim_delay,
+                                     g->anim_mode,
+                                     g->anim_start_frame,
+                                     sync_frame);
+
+       getGraphicSourceExt(graphic, frame, &src_bitmap, &src_x, &src_y, FALSE);
+
+       g_em->bitmap = src_bitmap;
+       g_em->src_x = src_x;
+       g_em->src_y = src_y;
+       g_em->src_offset_x = 0;
+       g_em->src_offset_y = 0;
+       g_em->dst_offset_x = 0;
+       g_em->dst_offset_y = 0;
+       g_em->width  = TILEX;
+       g_em->height = TILEY;
+
+#if DEBUG_EM_GFX
+
+       /* skip check for EMC elements not contained in original EMC artwork */
+       if (element == EL_PLAYER_3 ||
+           element == EL_PLAYER_4)
+         continue;
+
+       if (g_em->bitmap != debug_bitmap ||
+           g_em->src_x != debug_src_x ||
+           g_em->src_y != debug_src_y)
+       {
+         static int last_i = -1;
+
+         if (i != last_i)
+         {
+           printf("\n");
+           last_i = i;
+         }
+
+         printf("::: EMC GFX ERROR for p/a %d/%d -> %d ('%s', '%s', %d)",
+                p, i, element, element_info[element].token_name,
+                element_action_info[effective_action].suffix, direction);
+
+         if (element != effective_element)
+           printf(" [%d ('%s')]",
+                  effective_element,
+                  element_info[effective_element].token_name);
+
+         printf("\n");
+
+         if (g_em->bitmap != debug_bitmap)
+           printf("    %d: different bitmap! (0x%08x != 0x%08x)\n",
+                  j, (int)(g_em->bitmap), (int)(debug_bitmap));
+
+         if (g_em->src_x != debug_src_x ||
+             g_em->src_y != debug_src_y)
+           printf("    frame %d: %d,%d (%d,%d) should be %d,%d (%d,%d)\n",
+                  j,
+                  g_em->src_x, g_em->src_y,
+                  g_em->src_x / 32, g_em->src_y / 32,
+                  debug_src_x, debug_src_y,
+                  debug_src_x / 32, debug_src_y / 32);
+
+         num_em_gfx_errors++;
+       }
+#endif
+
+      }
+    }
+  }
+
+#if DEBUG_EM_GFX
+  printf("\n");
+  printf("::: [%d errors found]\n", num_em_gfx_errors);
+
   exit(0);
 #endif
 }
+
+void CheckSingleStepMode_EM(byte action[MAX_PLAYERS], int frame,
+                           boolean any_player_moving)
+{
+  int i;
+
+  if (tape.single_step && tape.recording && !tape.pausing)
+  {
+    boolean active_players = FALSE;
+
+    for (i = 0; i < MAX_PLAYERS; i++)
+      if (action[i] != JOY_NO_ACTION)
+       active_players = TRUE;
+
+    if (frame == 0)
+      TapeTogglePause(TAPE_TOGGLE_AUTOMATIC);
+  }
+}
+
+void CheckSingleStepMode_SP(boolean murphy_is_moving)
+{
+  if (tape.single_step && tape.recording && !tape.pausing)
+  {
+    if (!murphy_is_moving)
+      TapeTogglePause(TAPE_TOGGLE_AUTOMATIC);
+  }
+}
+
+void getGraphicSource_SP(struct GraphicInfo_SP *g_sp,
+                        int graphic, int sync_frame, int x, int y)
+{
+  int frame = getGraphicAnimationFrame(graphic, sync_frame);
+
+  getGraphicSource(graphic, frame, &g_sp->bitmap, &g_sp->src_x, &g_sp->src_y);
+}
+
+boolean isNextAnimationFrame_SP(int graphic, int sync_frame)
+{
+  return (IS_NEXT_FRAME(sync_frame, graphic));
+}
+
+int getGraphicInfo_Delay(int graphic)
+{
+  return graphic_info[graphic].anim_delay;
+}
+
+void PlayMenuSoundExt(int sound)
+{
+  if (sound == SND_UNDEFINED)
+    return;
+
+  if ((!setup.sound_simple && !IS_LOOP_SOUND(sound)) ||
+      (!setup.sound_loops && IS_LOOP_SOUND(sound)))
+    return;
+
+  if (IS_LOOP_SOUND(sound))
+    PlaySoundLoop(sound);
+  else
+    PlaySound(sound);
+}
+
+void PlayMenuSound()
+{
+  PlayMenuSoundExt(menu.sound[game_status]);
+}
+
+void PlayMenuSoundStereo(int sound, int stereo_position)
+{
+  if (sound == SND_UNDEFINED)
+    return;
+
+  if ((!setup.sound_simple && !IS_LOOP_SOUND(sound)) ||
+      (!setup.sound_loops && IS_LOOP_SOUND(sound)))
+    return;
+
+  if (IS_LOOP_SOUND(sound))
+    PlaySoundExt(sound, SOUND_MAX_VOLUME, stereo_position, SND_CTRL_PLAY_LOOP);
+  else
+    PlaySoundStereo(sound, stereo_position);
+}
+
+void PlayMenuSoundIfLoopExt(int sound)
+{
+  if (sound == SND_UNDEFINED)
+    return;
+
+  if ((!setup.sound_simple && !IS_LOOP_SOUND(sound)) ||
+      (!setup.sound_loops && IS_LOOP_SOUND(sound)))
+    return;
+
+  if (IS_LOOP_SOUND(sound))
+    PlaySoundLoop(sound);
+}
+
+void PlayMenuSoundIfLoop()
+{
+  PlayMenuSoundIfLoopExt(menu.sound[game_status]);
+}
+
+void PlayMenuMusicExt(int music)
+{
+  if (music == MUS_UNDEFINED)
+    return;
+
+  if (!setup.sound_music)
+    return;
+
+  PlayMusic(music);
+}
+
+void PlayMenuMusic()
+{
+  PlayMenuMusicExt(menu.music[game_status]);
+}
+
+void PlaySoundActivating()
+{
+#if 0
+  PlaySound(SND_MENU_ITEM_ACTIVATING);
+#endif
+}
+
+void PlaySoundSelecting()
+{
+#if 0
+  PlaySound(SND_MENU_ITEM_SELECTING);
+#endif
+}
+
+void ToggleFullscreenIfNeeded()
+{
+  boolean change_fullscreen = (setup.fullscreen !=
+                              video.fullscreen_enabled);
+  boolean change_fullscreen_mode = (video.fullscreen_enabled &&
+                                   !strEqual(setup.fullscreen_mode,
+                                             video.fullscreen_mode_current));
+
+  if (!video.fullscreen_available)
+    return;
+
+  if (change_fullscreen || change_fullscreen_mode)
+  {
+    Bitmap *tmp_backbuffer = CreateBitmap(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH);
+
+    /* save backbuffer content which gets lost when toggling fullscreen mode */
+    BlitBitmap(backbuffer, tmp_backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+
+    if (change_fullscreen_mode)
+    {
+      /* keep fullscreen, but change fullscreen mode (screen resolution) */
+      video.fullscreen_enabled = FALSE;                /* force new fullscreen mode */
+    }
+
+    /* toggle fullscreen */
+    ChangeVideoModeIfNeeded(setup.fullscreen);
+
+    setup.fullscreen = video.fullscreen_enabled;
+
+    /* restore backbuffer content from temporary backbuffer backup bitmap */
+    BlitBitmap(tmp_backbuffer, backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+
+    FreeBitmap(tmp_backbuffer);
+
+#if 1
+    /* update visible window/screen */
+    BlitBitmap(backbuffer, window, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+#else
+    redraw_mask = REDRAW_ALL;
+#endif
+  }
+}
+
+void ChangeViewportPropertiesIfNeeded()
+{
+  int *door_1_x = &DX;
+  int *door_1_y = &DY;
+  int *door_2_x = (game_status == GAME_MODE_EDITOR ? &EX : &VX);
+  int *door_2_y = (game_status == GAME_MODE_EDITOR ? &EY : &VY);
+  int gfx_game_mode = (game_status == GAME_MODE_PLAYING ||
+                      game_status == GAME_MODE_EDITOR ? game_status :
+                      GAME_MODE_MAIN);
+  struct RectWithBorder *vp_playfield = &viewport.playfield[gfx_game_mode];
+  struct RectWithBorder *vp_door_1 = &viewport.door_1[gfx_game_mode];
+  struct RectWithBorder *vp_door_2 = &viewport.door_2[gfx_game_mode];
+  int border_size = vp_playfield->border_size;
+  int new_sx = vp_playfield->x + border_size;
+  int new_sy = vp_playfield->y + border_size;
+  int new_scr_fieldx = (vp_playfield->width  - 2 * border_size) / TILESIZE;
+  int new_scr_fieldy = (vp_playfield->height - 2 * border_size) / TILESIZE;
+
+#if 0
+  /* !!! TEST ONLY !!! */
+  // InitGfxBuffers();
+  return;
+#endif
+
+  if (viewport.window.width  != WIN_XSIZE ||
+      viewport.window.height != WIN_YSIZE)
+  {
+    WIN_XSIZE = viewport.window.width;
+    WIN_YSIZE = viewport.window.height;
+
+    InitVideoBuffer(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH, setup.fullscreen);
+    InitGfxBuffers();
+
+#if 1
+    SetDrawDeactivationMask(REDRAW_NONE);
+    SetDrawBackgroundMask(REDRAW_FIELD);
+
+    // RedrawBackground();
+#endif
+  }
+
+  if (new_scr_fieldx != SCR_FIELDX ||
+      new_scr_fieldy != SCR_FIELDY ||
+      new_sx != SX ||
+      new_sy != SY ||
+      vp_playfield->x != REAL_SX ||
+      vp_playfield->y != REAL_SY ||
+      vp_door_1->x != *door_1_x ||
+      vp_door_1->y != *door_1_y ||
+      vp_door_2->x != *door_2_x ||
+      vp_door_2->y != *door_2_y)
+  {
+    SCR_FIELDX = new_scr_fieldx;
+    SCR_FIELDY = new_scr_fieldy;
+    SX = new_sx;
+    SY = new_sy;
+    REAL_SX = vp_playfield->x;
+    REAL_SY = vp_playfield->y;
+
+    *door_1_x = vp_door_1->x;
+    *door_1_y = vp_door_1->y;
+    *door_2_x = vp_door_2->x;
+    *door_2_y = vp_door_2->y;
+
+    InitGfxBuffers();
+
+    if (gfx_game_mode == GAME_MODE_MAIN)
+    {
+      InitGadgets();
+      InitToons();
+    }
+  }
+
+#if 0
+  printf("::: %d, %d  /  %d, %d [%d]\n", VX, VY, EX, EY, game_status);
+#endif
+}