rnd-20100422-1-src
[rocksndiamonds.git] / src / tools.c
index 5bc49709063904ac39288ec9d65a23c0a6784ecf..978884624e51baaf48c9a77a823f96e8982bff0a 100644 (file)
@@ -1,35 +1,30 @@
 /***********************************************************
-*  Rocks'n'Diamonds -- McDuffin Strikes Back!              *
+* Rocks'n'Diamonds -- McDuffin Strikes Back!               *
 *----------------------------------------------------------*
-*  (c) 1995-98 Artsoft Entertainment                       *
-*              Holger Schemel                              *
-*              Oststrasse 11a                              *
-*              33604 Bielefeld                             *
-*              phone: ++49 +521 290471                     *
-*              email: aeglos@valinor.owl.de                *
+* (c) 1995-2006 Artsoft Entertainment                      *
+*               Holger Schemel                             *
+*               Detmolder Strasse 189                      *
+*               33604 Bielefeld                            *
+*               Germany                                    *
+*               e-mail: info@artsoft.org                   *
 *----------------------------------------------------------*
-*  tools.c                                                 *
+* tools.c                                                  *
 ***********************************************************/
 
-#include <stdarg.h>
-
-#ifdef __FreeBSD__
-#include <machine/joystick.h>
-#endif
+#include "libgame/libgame.h"
 
 #include "tools.h"
+#include "init.h"
 #include "game.h"
 #include "events.h"
-#include "sound.h"
-#include "misc.h"
-#include "buttons.h"
-#include "joystick.h"
 #include "cartoons.h"
 #include "network.h"
+#include "tape.h"
+#include "screens.h"
 
-#ifdef MSDOS
-extern boolean wait_for_vsync;
-#endif
+
+/* 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
@@ -45,10 +40,70 @@ extern boolean wait_for_vsync;
 /* forward declaration for internal use */
 static void UnmapToolButtons();
 static void HandleToolButtons(struct GadgetInfo *);
+static int el_act_dir2crm(int, int, int);
+static int el_act2crm(int, int);
 
 static struct GadgetInfo *tool_gadget[NUM_TOOL_BUTTONS];
 static int request_gadget_id = -1;
 
+static char *print_if_not_empty(int element)
+{
+  static char *s = NULL;
+  char *token_name = element_info[element].token_name;
+
+  if (s != NULL)
+    free(s);
+
+  s = checked_malloc(strlen(token_name) + 10 + 1);
+
+  if (element != EL_EMPTY)
+    sprintf(s, "%d\t['%s']", element, token_name);
+  else
+    sprintf(s, "%d", element);
+
+  return s;
+}
+
+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);
+
+  if (!IN_LEV_FIELD(x, y))
+  {
+    printf("(not in level field)\n");
+    printf("\n");
+
+    return;
+  }
+
+  printf("  Feld:        %d\t['%s']\n", Feld[x][y],
+        element_info[Feld[x][y]].token_name);
+  printf("  Back:        %s\n", print_if_not_empty(Back[x][y]));
+  printf("  Store:       %s\n", print_if_not_empty(Store[x][y]));
+  printf("  Store2:      %s\n", print_if_not_empty(Store2[x][y]));
+  printf("  StorePlayer: %s\n", print_if_not_empty(StorePlayer[x][y]));
+  printf("  MovPos:      %d\n", MovPos[x][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]);
+  printf("\n");
+}
+
 void SetDrawtoField(int mode)
 {
   if (mode == DRAW_BUFFERED && setup.soft_scrolling)
@@ -64,7 +119,7 @@ void SetDrawtoField(int mode)
 
     drawto_field = fieldbuffer;
   }
-  else /* DRAW_DIRECT, DRAW_BACKBUFFER */
+  else /* DRAW_BACKBUFFER */
   {
     FX = SX;
     FY = SY;
@@ -75,17 +130,156 @@ 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 &&
+      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)
+    {
+      x = gfx.sx - TILEX;
+      y = gfx.sy - TILEY;
+      width = gfx.sxsize + 2 * TILEX;
+      height = gfx.sysize + 2 * TILEY;
+    }
+
+    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;
+
+      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.soft_scrolling)
+    {
+      int fx = FX, fy = FY;
+
+      fx += (ScreenMovDir & (MV_LEFT|MV_RIGHT) ? ScreenGfxPos : 0);
+      fy += (ScreenMovDir & (MV_UP|MV_DOWN)    ? ScreenGfxPos : 0);
+
+      BlitBitmap(fieldbuffer, backbuffer, fx,fy, SXSIZE,SYSIZE, SX,SY);
+    }
+  }
+
+  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;
-  Drawable buffer = (drawto_field == window ? backbuffer : drawto_field);
+  int x, y;
+  DrawBuffer *buffer = (drawto_field == window ? backbuffer : drawto_field);
 
-  if (setup.direct_draw && game_status == 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;
@@ -93,43 +287,77 @@ void BackToFront()
   if (redraw_mask & REDRAW_FIELD)
     redraw_mask &= ~REDRAW_TILES;
 
-  /*
-  if (redraw_mask & REDRAW_FIELD ||
-      (ScreenGfxPos && setup.soft_scrolling && game_status == PLAYING))
-    redraw_mask &= ~REDRAW_TILES;
-  */
-
-  if (!redraw_mask)
+  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;
+    boolean skip_even_when_not_scrolling = TRUE;
+    boolean just_scrolling = (ScreenMovDir != 0);
+    boolean verbose = FALSE;
+
+    if (global.fps_slowdown_factor > 1 &&
+       (FrameCounter % global.fps_slowdown_factor) &&
+       (just_scrolling || skip_even_when_not_scrolling))
+    {
+      redraw_mask &= ~REDRAW_MAIN;
+
+      last_frame_skipped = TRUE;
+
+      if (verbose)
+       printf("FRAME SKIPPED\n");
+    }
+    else
+    {
+      if (last_frame_skipped)
+       redraw_mask |= REDRAW_FIELD;
+
+      last_frame_skipped = FALSE;
+
+      if (verbose)
+       printf("frame not skipped\n");
+    }
+  }
+
   /* synchronize X11 graphics at this point; if we would synchronize the
      display immediately after the buffer switching (after the XFlush),
      this could mean that we have to wait for the graphics to complete,
      although we could go on doing calculations for the next frame */
 
-  XSync(display, FALSE);
+  SyncDisplay();
 
-  /*
-#ifdef MSDOS
-  wait_for_vsync = TRUE;
-#endif
-  */
+  /* 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)
   {
-    XCopyArea(display,backbuffer,window,gc,
-             0,0, WIN_XSIZE,WIN_YSIZE,
-             0,0);
-    redraw_mask = 0;
+    BlitBitmap(backbuffer, window, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+
+    redraw_mask = REDRAW_NONE;
   }
 
   if (redraw_mask & REDRAW_FIELD)
   {
-    if (game_status != PLAYING || redraw_mask & REDRAW_FROM_BACKBUFFER)
+#if 0
+    printf("::: REDRAW_FIELD\n");
+#endif
+
+    if (game_status != GAME_MODE_PLAYING ||
+       redraw_mask & REDRAW_FROM_BACKBUFFER)
     {
-      XCopyArea(display,backbuffer,window,gc,
-               REAL_SX,REAL_SY, FULL_SXSIZE,FULL_SYSIZE,
-               REAL_SX,REAL_SY);
+      BlitBitmap(backbuffer, window,
+                REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE, REAL_SX, REAL_SY);
     }
     else
     {
@@ -146,10 +374,26 @@ void BackToFront()
          ABS(ScreenMovPos) == ScrollStepSize ||
          redraw_tiles > REDRAWTILES_THRESHOLD)
       {
-       XCopyArea(display, buffer, window, gc, 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 ?
@@ -163,746 +407,769 @@ void BackToFront()
 #endif
       }
     }
+
     redraw_mask &= ~REDRAW_MAIN;
   }
 
   if (redraw_mask & REDRAW_DOORS)
   {
     if (redraw_mask & REDRAW_DOOR_1)
-      XCopyArea(display,backbuffer,window,gc,
-               DX,DY, DXSIZE,DYSIZE,
-               DX,DY);
+      BlitBitmap(backbuffer, window, DX, DY, DXSIZE, DYSIZE, DX, DY);
+
     if (redraw_mask & REDRAW_DOOR_2)
-    {
-      if ((redraw_mask & REDRAW_DOOR_2) == REDRAW_DOOR_2)
-       XCopyArea(display,backbuffer,window,gc,
-                 VX,VY, VXSIZE,VYSIZE,
-                 VX,VY);
-      else
-      {
-       if (redraw_mask & REDRAW_VIDEO_1)
-         XCopyArea(display,backbuffer,window,gc,
-                   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)
-         XCopyArea(display,backbuffer,window,gc,
-                   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)
-         XCopyArea(display,backbuffer,window,gc,
-                   VX+VIDEO_CONTROL_XPOS,VY+VIDEO_CONTROL_YPOS,
-                   VIDEO_CONTROL_XSIZE,VIDEO_CONTROL_YSIZE,
-                   VX+VIDEO_CONTROL_XPOS,VY+VIDEO_CONTROL_YPOS);
-      }
-    }
+      BlitBitmap(backbuffer, window, VX, VY, VXSIZE, VYSIZE, VX, VY);
+
     if (redraw_mask & REDRAW_DOOR_3)
-      XCopyArea(display, backbuffer, window, gc,
-               EX, EY, EXSIZE, EYSIZE,
-               EX, EY);
+      BlitBitmap(backbuffer, window, EX, EY, EXSIZE, EYSIZE, EX, EY);
+
     redraw_mask &= ~REDRAW_DOORS;
   }
 
   if (redraw_mask & REDRAW_MICROLEVEL)
   {
-    XCopyArea(display,backbuffer,window,gc,
-             MICROLEV_XPOS, MICROLEV_YPOS, MICROLEV_XSIZE, MICROLEV_YSIZE,
-             MICROLEV_XPOS, MICROLEV_YPOS);
-    XCopyArea(display,backbuffer,window,gc,
-             SX, MICROLABEL_YPOS, SXSIZE, FONT4_YSIZE,
-             SX, MICROLABEL_YPOS);
+    BlitBitmap(backbuffer, window, SX, SY + 10 * TILEY, SXSIZE, 7 * TILEY,
+              SX, SY + 10 * TILEY);
+
     redraw_mask &= ~REDRAW_MICROLEVEL;
   }
 
   if (redraw_mask & REDRAW_TILES)
   {
-    for(x=0; x<SCR_FIELDX; x++)
-      for(y=0; y<SCR_FIELDY; y++)
+#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])
-         XCopyArea(display,buffer,window,gc,
-                   FX+x*TILEX,FX+y*TILEY, TILEX,TILEY,
-                   SX+x*TILEX,SY+y*TILEY);
+         BlitBitmap(buffer, window,
+                    FX + x * TILEX, FY + y * TILEY, TILEX, TILEY,
+                    SX + x * TILEX, SY + y * TILEY);
+  }
+
+  if (redraw_mask & REDRAW_FPS)                /* display frames per second */
+  {
+    char text[100];
+    char info1[100];
+
+    sprintf(info1, " (only every %d. frame)", global.fps_slowdown_factor);
+    if (!global.fps_slowdown)
+      info1[0] = '\0';
+
+    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
   }
 
-  XFlush(display);
+  FlushDisplay();
 
-  for(x=0; x<MAX_BUF_XSIZE; x++)
-    for(y=0; y<MAX_BUF_YSIZE; y++)
+  for (x = 0; x < MAX_BUF_XSIZE; x++)
+    for (y = 0; y < MAX_BUF_YSIZE; y++)
       redraw[x][y] = 0;
   redraw_tiles = 0;
-  redraw_mask = 0;
+  redraw_mask = REDRAW_NONE;
 }
 
-void FadeToFront()
+static void FadeCrossSaveBackbuffer()
 {
-/*
-  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
 
-/*
-    int x,y;
+      /* skip all fade operations until specified fade operation */
+      if (fade_type & fade_type_skip)
+       fade_type_skip = FADE_TYPE_NONE;
 
-    XFillRectangle(display,window,gc,
-                  REAL_SX,REAL_SY,FULL_SXSIZE,FULL_SYSIZE);
-    XFlush(display);
+      return;
+    }
 
-    for(i=0;i<2*FULL_SYSIZE;i++)
+    if (fading.fade_mode & FADE_TYPE_TRANSFORM)
     {
-      for(y=0;y<FULL_SYSIZE;y++)
-      {
-       XCopyArea(display,backbuffer,window,gc,
-                 REAL_SX,REAL_SY+i, FULL_SXSIZE,1, REAL_SX,REAL_SY+i);
-      }
-      XFlush(display);
-      Delay(10);
-    }
-*/
-
-/*
-    for(i=1;i<FULL_SYSIZE;i+=2)
-      XCopyArea(display,backbuffer,window,gc,
-               REAL_SX,REAL_SY+i, FULL_SXSIZE,1, REAL_SX,REAL_SY+i);
-    XFlush(display);
-    Delay(fading_delay);
-*/
-
-/*
-    XSetClipOrigin(display,clip_gc[PIX_FADEMASK],0,0);
-    XCopyArea(display,backbuffer,window,clip_gc[PIX_FADEMASK],
-             REAL_SX,REAL_SY, FULL_SXSIZE,FULL_SYSIZE, REAL_SX,REAL_SY);
-    XFlush(display);
-    Delay(fading_delay);
-
-    XSetClipOrigin(display,clip_gc[PIX_FADEMASK],-1,-1);
-    XCopyArea(display,backbuffer,window,clip_gc[PIX_FADEMASK],
-             REAL_SX,REAL_SY, FULL_SXSIZE,FULL_SYSIZE, REAL_SX,REAL_SY);
-    XFlush(display);
-    Delay(fading_delay);
-
-    XSetClipOrigin(display,clip_gc[PIX_FADEMASK],0,-1);
-    XCopyArea(display,backbuffer,window,clip_gc[PIX_FADEMASK],
-             REAL_SX,REAL_SY, FULL_SXSIZE,FULL_SYSIZE, REAL_SX,REAL_SY);
-    XFlush(display);
-    Delay(fading_delay);
-
-    XSetClipOrigin(display,clip_gc[PIX_FADEMASK],-1,0);
-    XCopyArea(display,backbuffer,window,clip_gc[PIX_FADEMASK],
-             REAL_SX,REAL_SY, FULL_SXSIZE,FULL_SYSIZE, REAL_SX,REAL_SY);
-    XFlush(display);
-    Delay(fading_delay);
+      FadeCrossSaveBackbuffer();
 
-    redraw_mask &= ~REDRAW_MAIN;
+      return;
+    }
   }
-*/
-
-  BackToFront();
-}
 
-void ClearWindow()
-{
-  XFillRectangle(display, backbuffer, gc,
-                REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
+  redraw_mask |= fade_mask;
 
-  if (setup.soft_scrolling && game_status == PLAYING)
+  if (fade_type == FADE_TYPE_SKIP)
   {
-    XFillRectangle(display, fieldbuffer, gc, 0, 0, FXSIZE, FYSIZE);
-    SetDrawtoField(DRAW_BUFFERED);
-  }
-  else
-    SetDrawtoField(DRAW_BACKBUFFER);
+#if 0
+    printf("::: will skip %d ... [%d]\n", fade_mode, fade_type_skip);
+#endif
 
-  if (setup.direct_draw && game_status == PLAYING)
-  {
-    XFillRectangle(display, window, gc,
-                  REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
-    SetDrawtoField(DRAW_DIRECT);
+    fade_type_skip = fade_mode;
+
+    return;
   }
 
-  redraw_mask |= REDRAW_FIELD;
-}
+#if 0
+  printf("::: !!! FADING %d ... [%d] [%d]\n", fade_mode, fade_type,
+        fade_type_skip);
+#endif
 
-void DrawTextFCentered(int y, int font_type, char *format, ...)
-{
-  char buffer[FULL_SXSIZE / FONT3_XSIZE + 10];
-  int font_xsize;
-  va_list ap;
+#if 1
+  fade_delay = fading.fade_delay;
+  post_delay = (fade_mode == FADE_MODE_FADE_OUT ? fading.post_delay : 0);
+#endif
 
-  font_xsize = (font_type < FC_SPECIAL1 ? FONT2_XSIZE :
-               font_type < FC_SPECIAL2 ? FONT3_XSIZE : FONT4_XSIZE);
+  if (fade_type_skip != FADE_TYPE_NONE)
+  {
+#if 0
+    printf("::: skipping %d ... [%d]\n", fade_mode, fade_type_skip);
+#endif
 
-  va_start(ap, format);
-  vsprintf(buffer, format, ap);
-  va_end(ap);
+    /* skip all fade operations until specified fade operation */
+    if (fade_type & fade_type_skip)
+      fade_type_skip = FADE_TYPE_NONE;
 
-  DrawText(SX + (SXSIZE - strlen(buffer) * font_xsize) / 2, SY + y,
-          buffer, FS_SMALL, font_type);
-}
+#if 1
+    fade_delay = 0;
+#else
+    return;
+#endif
+  }
 
-void DrawTextF(int x, int y, int font_type, char *format, ...)
-{
-  char buffer[FULL_SXSIZE / FONT3_XSIZE + 10];
-  va_list ap;
+#if 1
+  if (global.autoplay_leveldir)
+  {
+    // fading.fade_mode = FADE_MODE_NONE;
+
+    return;
+  }
+#endif
 
-  va_start(ap, format);
-  vsprintf(buffer, format, ap);
-  va_end(ap);
+#if 0
+  if (fading.fade_mode == FADE_MODE_NONE)
+  {
+    BackToFront();
 
-  DrawText(SX + x, SY + y, buffer, FS_SMALL, font_type);
-}
+    return;
+  }
+#endif
 
-void DrawText(int x, int y, char *text, int font_size, int font_type)
-{
-  DrawTextExt(drawto, gc, x, y, text, font_size, font_type);
+  /* !!! what about fade_mask == REDRAW_FIELD | REDRAW_ALL ??? !!! */
 
-  if (x < DX)
-    redraw_mask |= REDRAW_FIELD;
-  else if (y < VY)
-    redraw_mask |= REDRAW_DOOR_1;
-}
+#if 0
+  printf("::: NOW FADING %d ... [%d]\n", fade_mode, fade_type);
+#endif
 
-void DrawTextExt(Drawable d, GC gc, int x, int y,
-                char *text, int font_size, int font_type)
-{
-  int font_width, font_height, font_start;
-  int font_pixmap;
-  boolean print_inverse = FALSE;
+#if 0
+  if (fade_mask == REDRAW_NONE)
+    fade_mask = REDRAW_FIELD;
+#endif
 
-  if (font_size != FS_SMALL && font_size != FS_BIG)
-    font_size = FS_SMALL;
-  if (font_type < FC_RED || font_type > FC_SPECIAL2)
-    font_type = FC_RED;
+  // if (fade_mask & REDRAW_FIELD)
+  if (fade_mask == REDRAW_FIELD)
+  {
+    x = REAL_SX;
+    y = REAL_SY;
+    width  = FULL_SXSIZE;
+    height = FULL_SYSIZE;
 
-  font_width = (font_size == FS_BIG ? FONT1_XSIZE :
-               font_type < FC_SPECIAL1 ? FONT2_XSIZE :
-               font_type < FC_SPECIAL2 ? FONT3_XSIZE : FONT4_XSIZE);
-  font_height = (font_size == FS_BIG ? FONT1_XSIZE :
-                font_type < FC_SPECIAL2 ? FONT2_XSIZE : FONT4_XSIZE);
-  font_pixmap = (font_size == FS_BIG ? PIX_BIGFONT : PIX_SMALLFONT);
-  font_start = (font_type * (font_size == FS_BIG ? FONT1_YSIZE : FONT2_YSIZE) *
-               FONT_LINES_PER_FONT);
+#if 0
+    fade_delay = fading.fade_delay;
+    post_delay = (fade_mode == FADE_MODE_FADE_OUT ? fading.post_delay : 0);
+#endif
 
-  while (*text)
+    if (border.draw_masked_when_fading)
+      draw_border_function = DrawMaskedBorder_FIELD;   /* update when fading */
+    else
+      DrawMaskedBorder_FIELD();                                /* draw once */
+  }
+  else         /* REDRAW_ALL */
   {
-    char c = *text++;
+    x = 0;
+    y = 0;
+    width  = WIN_XSIZE;
+    height = WIN_YSIZE;
 
-    if (c == '~' && font_size == FS_SMALL && font_type <= FC_YELLOW)
-    {
-      print_inverse = TRUE;
-      continue;
-    }
+#if 0
+    fade_delay = fading.fade_delay;
+    post_delay = (fade_mode == FADE_MODE_FADE_OUT ? fading.post_delay : 0);
+#endif
+  }
 
-    if (c >= 'a' && c <= 'z')
-      c = 'A' + (c - 'a');
-    else if (c == 'ä' || c == 'Ä')
-      c = 91;
-    else if (c == 'ö' || c == 'Ö')
-      c = 92;
-    else if (c == 'ü' || c == 'Ãœ')
-      c = 93;
+#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 (c >= 32 && c <= 95)
-    {
-      int src_x = ((c - 32) % FONT_CHARS_PER_LINE) * font_width;
-      int src_y = ((c - 32) / FONT_CHARS_PER_LINE) * font_height + font_start;
-      int dest_x = x, dest_y = y;
+#if 0
+    if (fade_mode == FADE_MODE_FADE_OUT &&
+       fading.fade_mode != FADE_MODE_NONE)
+      ClearRectangle(backbuffer, x, y, width, height);
+#endif
 
-      if (print_inverse)
-      {
-       XCopyArea(display, pix[font_pixmap], d, gc,
-                 FONT_CHARS_PER_LINE * font_width,
-                 3 * font_height + font_start,
-                 font_width, font_height, x, y);
-
-       XSetClipOrigin(display, clip_gc[font_pixmap],
-                      dest_x - src_x, dest_y - src_y);
-       XCopyArea(display, pix[font_pixmap], drawto, clip_gc[font_pixmap],
-                 0, 0, font_width, font_height, dest_x, dest_y);
-      }
-      else
-       XCopyArea(display, pix[font_pixmap], d, gc,
-                 src_x, src_y, font_width, font_height, dest_x, dest_y);
-    }
+#if 1
+    BlitBitmap(backbuffer, window, x, y, width, height, x, y);
+    redraw_mask = REDRAW_NONE;
+#else
+    BackToFront();
+#endif
 
-    x += font_width;
+    return;
   }
+
+  FadeRectangle(bitmap, x, y, width, height, fade_mode, fade_delay, post_delay,
+               draw_border_function);
+
+  redraw_mask &= ~fade_mask;
 }
 
-void DrawAllPlayers()
+void FadeIn(int fade_mask)
 {
-  int i;
+  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);
+}
 
-  for(i=0; i<MAX_PLAYERS; i++)
-    if (stored_player[i].active)
-      DrawPlayer(&stored_player[i]);
+void FadeOut(int fade_mask)
+{
+  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);
+
+  global.border_status = game_status;
 }
 
-void DrawPlayerField(int x, int y)
+static void FadeSetLeaveNext(struct TitleFadingInfo fading_leave, boolean set)
 {
-  if (!IS_PLAYER(x,y))
-    return;
+  static struct TitleFadingInfo fading_leave_stored;
 
-  DrawPlayer(PLAYERINFO(x,y));
+  if (set)
+    fading_leave_stored = fading_leave;
+  else
+    fading = fading_leave_stored;
 }
 
-void DrawPlayer(struct PlayerInfo *player)
+void FadeSetEnterMenu()
 {
-  int jx = player->jx, jy = player->jy;
-  int last_jx = player->last_jx, last_jy = player->last_jy;
-  int next_jx = jx + (jx - last_jx), next_jy = jy + (jy - last_jy);
-  int sx = SCREENX(jx), sy = SCREENY(jy);
-  int sxx = 0, syy = 0;
-  int element = Feld[jx][jy];
-  int graphic, phase;
+  fading = menu.enter_menu;
 
-  if (!player->active || player->gone ||
-      !IN_SCR_FIELD(SCREENX(last_jx), SCREENY(last_jy)))
-    return;
+#if 0
+  printf("::: storing enter_menu\n");
+#endif
 
-#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;
-  }
+  FadeSetLeaveNext(fading, TRUE);      /* (keep same fade mode) */
+}
+
+void FadeSetLeaveMenu()
+{
+  fading = menu.leave_menu;
+
+#if 0
+  printf("::: storing leave_menu\n");
 #endif
 
-  if (element == EL_EXPLODING)
-    return;
+  FadeSetLeaveNext(fading, TRUE);      /* (keep same fade mode) */
+}
 
-  /* draw things in the field the player is leaving, if needed */
+void FadeSetEnterScreen()
+{
+  fading = menu.enter_screen[game_status];
 
-  if (last_jx != jx || last_jy != jy)
-  {
-    if (Store[last_jx][last_jy])
-    {
-      DrawLevelElement(last_jx, last_jy, Store[last_jx][last_jy]);
-      DrawLevelFieldThruMask(last_jx, last_jy);
-    }
-    else if (Feld[last_jx][last_jy] == EL_DYNAMIT)
-      DrawDynamite(last_jx, last_jy);
-    else
-      DrawLevelField(last_jx, last_jy);
+#if 0
+  printf("::: storing leave_screen[%d]\n", game_status);
+#endif
 
-    if (player->Pushing && IN_SCR_FIELD(SCREENX(next_jx), SCREENY(next_jy)))
-    {
-      if (player->GfxPos)
-      {
-       if (Feld[next_jx][next_jy] == EL_SOKOBAN_FELD_VOLL)
-         DrawLevelElement(next_jx, next_jy, EL_SOKOBAN_FELD_LEER);
-       else
-         DrawLevelElement(next_jx, next_jy, EL_LEERRAUM);
-      }
-      else
-       DrawLevelField(next_jx, next_jy);
-    }
-  }
+  FadeSetLeaveNext(menu.leave_screen[game_status], TRUE);      /* store */
+}
 
-  if (!IN_SCR_FIELD(sx, sy))
-    return;
+void FadeSetNextScreen()
+{
+  fading = menu.next_screen;
 
-  if (setup.direct_draw)
-    SetDrawtoField(DRAW_BUFFERED);
+#if 0
+  printf("::: storing next_screen\n");
+#endif
 
-  /* draw things behind the player, if needed */
+  // (do not overwrite fade mode set by FadeSetEnterScreen)
+  // FadeSetLeaveNext(fading, TRUE);   /* (keep same fade mode) */
+}
 
-  if (Store[jx][jy])
-    DrawLevelElement(jx, jy, Store[jx][jy]);
-  else if (element != EL_DYNAMIT && element != EL_DYNABOMB)
-    DrawLevelField(jx, jy);
+void FadeSetLeaveScreen()
+{
+#if 0
+  printf("::: recalling last stored value\n");
+#endif
 
-  /* draw player himself */
+  FadeSetLeaveNext(menu.leave_screen[game_status], FALSE);     /* recall */
+}
 
-  if (player->MovDir == MV_LEFT)
-    graphic = (player->Pushing ? GFX_SPIELER1_PUSH_LEFT : GFX_SPIELER1_LEFT);
-  else if (player->MovDir == MV_RIGHT)
-    graphic = (player->Pushing ? GFX_SPIELER1_PUSH_RIGHT : GFX_SPIELER1_RIGHT);
-  else if (player->MovDir == MV_UP)
-    graphic = GFX_SPIELER1_UP;
-  else /* MV_DOWN || MV_NO_MOVING */
-    graphic = GFX_SPIELER1_DOWN;
+void FadeSetFromType(int type)
+{
+  if (type & TYPE_ENTER_SCREEN)
+    FadeSetEnterScreen();
+  else if (type & TYPE_ENTER)
+    FadeSetEnterMenu();
+  else if (type & TYPE_LEAVE)
+    FadeSetLeaveMenu();
+}
 
-  graphic += player->index_nr * 3*HEROES_PER_LINE;
-  graphic += player->Frame;
+void FadeSetDisabled()
+{
+  static struct TitleFadingInfo fading_none = { FADE_MODE_NONE, -1, -1, -1 };
 
-  if (player->GfxPos)
-  {
-    if (player->MovDir == MV_LEFT || player->MovDir == MV_RIGHT)
-      sxx = player->GfxPos;
-    else
-      syy = player->GfxPos;
-  }
+  fading = fading_none;
+}
 
-  if (!setup.soft_scrolling && ScreenMovPos)
-    sxx = syy = 0;
+void FadeSkipNextFadeIn()
+{
+  FadeExt(0, FADE_MODE_SKIP_FADE_IN, FADE_TYPE_SKIP);
+}
 
-  DrawGraphicShiftedThruMask(sx, sy, sxx, syy, graphic, NO_CUTTING);
+void FadeSkipNextFadeOut()
+{
+  FadeExt(0, FADE_MODE_SKIP_FADE_OUT, FADE_TYPE_SKIP);
+}
 
-  if (player->Pushing && player->GfxPos)
-  {
-    int px = SCREENX(next_jx), py = SCREENY(next_jy);
+void SetWindowBackgroundImageIfDefined(int graphic)
+{
+  if (graphic_info[graphic].bitmap)
+    SetWindowBackgroundBitmap(graphic_info[graphic].bitmap);
+}
 
-    if (Feld[jx][jy] == EL_SOKOBAN_FELD_LEER ||
-       Feld[next_jx][next_jy] == EL_SOKOBAN_FELD_VOLL)
-      DrawGraphicShiftedThruMask(px, py, sxx, syy, GFX_SOKOBAN_OBJEKT,
-                                NO_CUTTING);
-    else
-    {
-      int element = Feld[next_jx][next_jy];
-      int graphic = el2gfx(element);
+void SetMainBackgroundImageIfDefined(int graphic)
+{
+  if (graphic_info[graphic].bitmap)
+    SetMainBackgroundBitmap(graphic_info[graphic].bitmap);
+}
 
-      if (element == EL_FELSBROCKEN && sxx)
-      {
-       int phase = (player->GfxPos / (TILEX/4));
+void SetDoorBackgroundImageIfDefined(int graphic)
+{
+  if (graphic_info[graphic].bitmap)
+    SetDoorBackgroundBitmap(graphic_info[graphic].bitmap);
+}
 
-       if (player->MovDir == MV_LEFT)
-         graphic += phase;
-       else
-         graphic += (phase+4)%4;
-      }
+void SetWindowBackgroundImage(int graphic)
+{
+  SetWindowBackgroundBitmap(graphic == IMG_UNDEFINED ? NULL :
+                           graphic_info[graphic].bitmap ?
+                           graphic_info[graphic].bitmap :
+                           graphic_info[IMG_BACKGROUND].bitmap);
+}
 
-      DrawGraphicShifted(px, py, sxx, syy, graphic, NO_CUTTING, NO_MASKING);
-    }
-  }
+void SetMainBackgroundImage(int graphic)
+{
+  SetMainBackgroundBitmap(graphic == IMG_UNDEFINED ? NULL :
+                         graphic_info[graphic].bitmap ?
+                         graphic_info[graphic].bitmap :
+                         graphic_info[IMG_BACKGROUND].bitmap);
+}
 
-  /* draw things in front of player (EL_DYNAMIT || EL_DYNABOMB) */
+void SetDoorBackgroundImage(int graphic)
+{
+  SetDoorBackgroundBitmap(graphic == IMG_UNDEFINED ? NULL :
+                         graphic_info[graphic].bitmap ?
+                         graphic_info[graphic].bitmap :
+                         graphic_info[IMG_BACKGROUND].bitmap);
+}
 
-  if (element == EL_DYNAMIT || element == EL_DYNABOMB)
-  {
-    graphic = el2gfx(element);
+void SetPanelBackground()
+{
+  BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, bitmap_db_panel,
+             DOOR_GFX_PAGEX5, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, 0, 0);
 
-    if (element == EL_DYNAMIT)
-    {
-      if ((phase = (96 - MovDelay[jx][jy]) / 12) > 6)
-       phase = 6;
-    }
-    else
-    {
-      if ((phase = ((96 - MovDelay[jx][jy]) / 6) % 8) > 3)
-       phase = 7 - phase;
-    }
+  SetDoorBackgroundBitmap(bitmap_db_panel);
+}
 
-    if (game_emulation == EMU_SUPAPLEX)
-      DrawGraphic(sx, sy, GFX_SP_DISK_RED);
-    else
-      DrawGraphicThruMask(sx, sy, graphic + phase);
-  }
+void DrawBackground(int x, int y, int width, int height)
+{
+  /* !!! "drawto" might still point to playfield buffer here (see below) !!! */
+  /* (when entering hall of fame after playing) */
+#if 0
+  ClearRectangleOnBackground(drawto, x, y, width, height);
+#else
+  ClearRectangleOnBackground(backbuffer, x, y, width, height);
+#endif
 
-  if ((last_jx != jx || last_jy != jy) &&
-      Feld[last_jx][last_jy] == EL_EXPLODING)
-  {
-    int phase = Frame[last_jx][last_jy];
-    int delay = 2;
+  redraw_mask |= REDRAW_FIELD;
+}
 
-    if (phase > 2)
-      DrawGraphicThruMask(SCREENX(last_jx), SCREENY(last_jy),
-                         GFX_EXPLOSION + ((phase - 1) / delay - 1));
-  }
+void DrawBackgroundForFont(int x, int y, int width, int height, int font_nr)
+{
+  struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
 
-  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));
+  if (font->bitmap == NULL)
+    return;
 
-    XCopyArea(display, drawto_field, window, gc,
-             dest_x, dest_y, x_size, y_size, dest_x, dest_y);
-    SetDrawtoField(DRAW_DIRECT);
-  }
+  DrawBackground(x, y, width, height);
+}
+
+void DrawBackgroundForGraphic(int x, int y, int width, int height, int graphic)
+{
+  struct GraphicInfo *g = &graphic_info[graphic];
+
+  if (g->bitmap == NULL)
+    return;
 
-  MarkTileDirty(sx,sy);
+  DrawBackground(x, y, width, height);
 }
 
-static int getGraphicAnimationPhase(int frames, int delay, int mode)
+void ClearField()
 {
-  int phase;
+  /* !!! "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 (mode == ANIM_OSCILLATE)
+  /* !!! maybe this should be done before clearing the background !!! */
+  if (setup.soft_scrolling && game_status == GAME_MODE_PLAYING)
   {
-    int max_anim_frames = 2 * frames - 2;
-    phase = (FrameCounter % (delay * max_anim_frames)) / delay;
-    phase = (phase < frames ? phase : max_anim_frames - phase);
+    ClearRectangle(fieldbuffer, 0, 0, FXSIZE, FYSIZE);
+    SetDrawtoField(DRAW_BUFFERED);
   }
   else
-    phase = (FrameCounter % (delay * frames)) / delay;
+    SetDrawtoField(DRAW_BACKBUFFER);
+}
 
-  if (mode == ANIM_REVERSE)
-    phase = -phase;
+void MarkTileDirty(int x, int y)
+{
+  int xx = redraw_x1 + x;
+  int yy = redraw_y1 + y;
+
+  if (!redraw[xx][yy])
+    redraw_tiles++;
 
-  return(phase);
+  redraw[xx][yy] = TRUE;
+  redraw_mask |= REDRAW_TILES;
 }
 
-void DrawGraphicAnimationExt(int x, int y, int graphic,
-                            int frames, int delay, int mode, int mask_mode)
+void SetBorderElement()
 {
-  int phase = getGraphicAnimationPhase(frames, delay, mode);
+  int x, y;
+
+  BorderElement = EL_EMPTY;
 
-  if (!(FrameCounter % delay) && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
+  for (y = 0; y < lev_fieldy && BorderElement == EL_EMPTY; y++)
   {
-    if (mask_mode == USE_MASKING)
-      DrawGraphicThruMask(SCREENX(x), SCREENY(y), graphic + phase);
-    else
-      DrawGraphic(SCREENX(x), SCREENY(y), graphic + phase);
+    for (x = 0; x < lev_fieldx; x++)
+    {
+      if (!IS_INDESTRUCTIBLE(Feld[x][y]))
+       BorderElement = EL_STEELWALL;
+
+      if (y != 0 && y != lev_fieldy - 1 && x != lev_fieldx - 1)
+       x = lev_fieldx - 2;
+    }
   }
 }
 
-void DrawGraphicAnimation(int x, int y, int graphic,
-                         int frames, int delay, int mode)
+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)
 {
-  DrawGraphicAnimationExt(x, y, graphic, frames, delay, mode, NO_MASKING);
+  int i,x,y;
+  int old_element;
+  static int check[4][2] = { { -1, 0 }, { 0, -1 }, { 1, 0 }, { 0, 1 } };
+  static int safety = 0;
+
+  /* check if starting field still has the desired content */
+  if (field[from_x][from_y] == fill_element)
+    return;
+
+  safety++;
+
+  if (safety > max_fieldx * max_fieldy)
+    Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
+
+  old_element = field[from_x][from_y];
+  field[from_x][from_y] = fill_element;
+
+  for (i = 0; i < 4; i++)
+  {
+    x = from_x + check[i][0];
+    y = from_y + check[i][1];
+
+    if (IN_FIELD(x, y, max_fieldx, max_fieldy) && field[x][y] == old_element)
+      FloodFillLevel(x, y, fill_element, field, max_fieldx, max_fieldy);
+  }
+
+  safety--;
 }
 
-void DrawGraphicAnimationThruMask(int x, int y, int graphic,
-                                 int frames, int delay, int mode)
+void SetRandomAnimationValue(int x, int y)
 {
-  DrawGraphicAnimationExt(x, y, graphic, frames, delay, mode, USE_MASKING);
+  gfx.anim_random_frame = GfxRandom[x][y];
 }
 
-void DrawGraphic(int x, int y, int graphic)
+inline int getGraphicAnimationFrame(int graphic, int sync_frame)
 {
-#if DEBUG
-  if (!IN_SCR_FIELD(x,y))
-  {
-    printf("DrawGraphic(): x = %d, y = %d, graphic = %d\n",x,y,graphic);
-    printf("DrawGraphic(): This should never happen!\n");
-    return;
-  }
-#endif
-
-  DrawGraphicExt(drawto_field, gc, FX + x*TILEX, FY + y*TILEY, graphic);
-  MarkTileDirty(x,y);
+  /* animation synchronized with global frame counter, not move position */
+  if (graphic_info[graphic].anim_global_sync || sync_frame < 0)
+    sync_frame = FrameCounter;
+
+  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);
 }
 
-void DrawGraphicExt(Drawable d, GC gc, int x, int y, int graphic)
+void getSizedGraphicSource(int graphic, int frame, int tilesize_raw,
+                          Bitmap **bitmap, int *x, int *y)
 {
-  if (graphic >= GFX_START_ROCKSSCREEN && graphic <= GFX_END_ROCKSSCREEN)
+  struct
   {
-    graphic -= GFX_START_ROCKSSCREEN;
-    XCopyArea(display, pix[PIX_BACK], d, gc,
-             SX + (graphic % GFX_PER_LINE) * TILEX,
-             SY + (graphic / GFX_PER_LINE) * TILEY,
-             TILEX, TILEY, x, y);
+    int width_mult, width_div;
+    int height_mult, height_div;
   }
-  else if (graphic >= GFX_START_ROCKSMORE && graphic <= GFX_END_ROCKSMORE)
+  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;
+
+  if (g->offset_y == 0)                /* frames are ordered horizontally */
   {
-    graphic -= GFX_START_ROCKSMORE;
-    XCopyArea(display, pix[PIX_MORE], d, gc,
-             (graphic % MORE_PER_LINE) * TILEX,
-             (graphic / MORE_PER_LINE) * TILEY,
-             TILEX, TILEY, x, y);
+    int max_width = g->anim_frames_per_line * width;
+    int pos = (src_y / height) * max_width + src_x + frame * offset_x;
+
+    src_x = pos % max_width;
+    src_y = src_y % height + pos / max_width * height;
   }
-  else if (graphic >= GFX_START_ROCKSHEROES && graphic <= GFX_END_ROCKSHEROES)
+  else if (g->offset_x == 0)   /* frames are ordered vertically */
   {
-    graphic -= GFX_START_ROCKSHEROES;
-    XCopyArea(display, pix[PIX_HEROES], d, gc,
-             (graphic % HEROES_PER_LINE) * TILEX,
-             (graphic / HEROES_PER_LINE) * TILEY,
-             TILEX, TILEY, x, y);
+    int max_height = g->anim_frames_per_line * height;
+    int pos = (src_x / width) * max_height + src_y + frame * offset_y;
+
+    src_x = src_x % width + pos / max_height * width;
+    src_y = pos % max_height;
   }
-  else if (graphic >= GFX_START_ROCKSFONT && graphic <= GFX_END_ROCKSFONT)
+  else                         /* frames are ordered diagonally */
   {
-    graphic -= GFX_START_ROCKSFONT;
-    XCopyArea(display, pix[PIX_BIGFONT], d, gc,
-             (graphic % FONT_CHARS_PER_LINE) * TILEX,
-             (graphic / FONT_CHARS_PER_LINE) * TILEY +
-             FC_SPECIAL1 * FONT_LINES_PER_FONT * TILEY,
-             TILEX, TILEY, x, y);
+    src_x = src_x + frame * offset_x;
+    src_y = src_y + frame * offset_y;
   }
-  else
-    XFillRectangle(display, d, gc, x, y, TILEX, TILEY);
+
+  *bitmap = src_bitmap;
+  *x = startx + src_x;
+  *y = starty + src_y;
 }
 
-void DrawGraphicThruMask(int x, int y, int graphic)
+void getMiniGraphicSource(int graphic, Bitmap **bitmap, int *x, int *y)
 {
-#if DEBUG
-  if (!IN_SCR_FIELD(x,y))
-  {
-    printf("DrawGraphicThruMask(): x = %d,y = %d, graphic = %d\n",x,y,graphic);
-    printf("DrawGraphicThruMask(): This should never happen!\n");
-    return;
-  }
-#endif
+#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;
 
-  DrawGraphicThruMaskExt(drawto_field, FX + x*TILEX, FY + y*TILEY, graphic);
-  MarkTileDirty(x,y);
+  *bitmap = g->bitmap;
+  *x = mini_startx + g->src_x / 2;
+  *y = mini_starty + g->src_y / 2;
+#endif
 }
 
-void DrawGraphicThruMaskExt(Drawable d, int dest_x, int dest_y, int graphic)
+inline void getGraphicSourceExt(int graphic, int frame, Bitmap **bitmap,
+                               int *x, int *y, boolean get_backside)
 {
-  int src_x, src_y;
-  int tile = graphic;
-  Pixmap src_pixmap;
-  GC drawing_gc;
+  struct GraphicInfo *g = &graphic_info[graphic];
+  int src_x = g->src_x + (get_backside ? g->offset2_x : 0);
+  int src_y = g->src_y + (get_backside ? g->offset2_y : 0);
+
+  *bitmap = g->bitmap;
 
-  if (graphic >= GFX_START_ROCKSSCREEN && graphic <= GFX_END_ROCKSSCREEN)
+  if (g->offset_y == 0)                /* frames are ordered horizontally */
   {
-    src_pixmap = pix[PIX_BACK];
-    drawing_gc = clip_gc[PIX_BACK];
-    graphic -= GFX_START_ROCKSSCREEN;
-    src_x  = SX + (graphic % GFX_PER_LINE) * TILEX;
-    src_y  = SY + (graphic / GFX_PER_LINE) * TILEY;
+    int max_width = g->anim_frames_per_line * g->width;
+    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 if (graphic >= GFX_START_ROCKSMORE && graphic <= GFX_END_ROCKSMORE)
+  else if (g->offset_x == 0)   /* frames are ordered vertically */
   {
-    src_pixmap = pix[PIX_MORE];
-    drawing_gc = clip_gc[PIX_MORE];
-    graphic -= GFX_START_ROCKSMORE;
-    src_x  = (graphic % MORE_PER_LINE) * TILEX;
-    src_y  = (graphic / MORE_PER_LINE) * TILEY;
+    int max_height = g->anim_frames_per_line * g->height;
+    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 if (graphic >= GFX_START_ROCKSHEROES && graphic <= GFX_END_ROCKSHEROES)
+  else                         /* frames are ordered diagonally */
   {
-    src_pixmap = pix[PIX_HEROES];
-    drawing_gc = clip_gc[PIX_HEROES];
-    graphic -= GFX_START_ROCKSHEROES;
-    src_x  = (graphic % HEROES_PER_LINE) * TILEX;
-    src_y  = (graphic / HEROES_PER_LINE) * TILEY;
+    *x = src_x + frame * g->offset_x;
+    *y = src_y + frame * g->offset_y;
   }
-  else
+}
+
+void getGraphicSource(int graphic, int frame, Bitmap **bitmap, int *x, int *y)
+{
+  getGraphicSourceExt(graphic, frame, bitmap, x, y, FALSE);
+}
+
+void DrawGraphic(int x, int y, int graphic, int frame)
+{
+#if DEBUG
+  if (!IN_SCR_FIELD(x, y))
   {
-    DrawGraphicExt(d, gc, dest_x,dest_y, graphic);
+    printf("DrawGraphic(): x = %d, y = %d, graphic = %d\n", x, y, graphic);
+    printf("DrawGraphic(): This should never happen!\n");
     return;
   }
+#endif
+
+  DrawGraphicExt(drawto_field, FX + x * TILEX, FY + y * TILEY, graphic, frame);
+  MarkTileDirty(x, y);
+}
+
+void DrawGraphicExt(DrawBuffer *dst_bitmap, int x, int y, int graphic,
+                   int frame)
+{
+  Bitmap *src_bitmap;
+  int src_x, src_y;
+
+  getGraphicSource(graphic, frame, &src_bitmap, &src_x, &src_y);
+  BlitBitmap(src_bitmap, dst_bitmap, src_x, src_y, TILEX, TILEY, x, y);
+}
 
-  if (tile_clipmask[tile] != None)
+void DrawGraphicThruMask(int x, int y, int graphic, int frame)
+{
+#if DEBUG
+  if (!IN_SCR_FIELD(x, y))
   {
-    XSetClipMask(display, tile_clip_gc, tile_clipmask[tile]);
-    XSetClipOrigin(display, tile_clip_gc, dest_x, dest_y);
-    XCopyArea(display, src_pixmap, drawto_field, tile_clip_gc,
-             src_x, src_y, TILEX, TILEY, dest_x, dest_y);
+    printf("DrawGraphicThruMask(): x = %d,y = %d, graphic = %d\n",x,y,graphic);
+    printf("DrawGraphicThruMask(): This should never happen!\n");
+    return;
   }
-  else
-  {
-#if DEBUG
-    printf("DrawGraphicThruMask(): tile '%d' needs clipping!\n", tile);
 #endif
 
-    XSetClipOrigin(display, drawing_gc, dest_x-src_x, dest_y-src_y);
-    XCopyArea(display, src_pixmap, drawto_field, drawing_gc,
-             src_x, src_y, TILEX, TILEY, dest_x, dest_y);
-  }
+  DrawGraphicThruMaskExt(drawto_field, FX + x * TILEX, FY + y *TILEY, graphic,
+                        frame);
+  MarkTileDirty(x, y);
 }
 
-void DrawMiniGraphic(int x, int y, int graphic)
+void DrawGraphicThruMaskExt(DrawBuffer *d, int dst_x, int dst_y, int graphic,
+                           int frame)
 {
-  DrawMiniGraphicExt(drawto,gc, SX + x*MINI_TILEX, SY + y*MINI_TILEY, graphic);
-  MarkTileDirty(x/2, y/2);
+  Bitmap *src_bitmap;
+  int src_x, src_y;
+
+  getGraphicSource(graphic, frame, &src_bitmap, &src_x, &src_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 getMiniGraphicSource(int graphic, Pixmap *pixmap, int *x, int *y)
+void DrawSizedGraphic(int x, int y, int graphic, int frame, int tilesize)
 {
-  if (graphic >= GFX_START_ROCKSSCREEN && graphic <= GFX_END_ROCKSSCREEN)
-  {
-    graphic -= GFX_START_ROCKSSCREEN;
-    *pixmap = pix[PIX_BACK];
-    *x = MINI_GFX_STARTX + (graphic % MINI_GFX_PER_LINE) * MINI_TILEX;
-    *y = MINI_GFX_STARTY + (graphic / MINI_GFX_PER_LINE) * MINI_TILEY;
-  }
-  else if (graphic >= GFX_START_ROCKSMORE && graphic <= GFX_END_ROCKSMORE)
-  {
-    graphic -= GFX_START_ROCKSMORE;
-    *pixmap = pix[PIX_MORE];
-    *x = MINI_MORE_STARTX + (graphic % MINI_MORE_PER_LINE) * MINI_TILEX;
-    *y = MINI_MORE_STARTY + (graphic / MINI_MORE_PER_LINE) * MINI_TILEY;
-  }
-  else if (graphic >= GFX_START_ROCKSFONT && graphic <= GFX_END_ROCKSFONT)
-  {
-    graphic -= GFX_START_ROCKSFONT;
-    *pixmap = pix[PIX_SMALLFONT];
-    *x = (graphic % FONT_CHARS_PER_LINE) * FONT4_XSIZE;
-    *y = ((graphic / FONT_CHARS_PER_LINE) * FONT4_YSIZE +
-         FC_SPECIAL2 * FONT2_YSIZE * FONT_LINES_PER_FONT);
-  }
-  else
-  {
-    *pixmap = pix[PIX_MORE];
-    *x = MINI_MORE_STARTX;
-    *y = MINI_MORE_STARTY;
-  }
+  DrawSizedGraphicExt(drawto, SX + x * tilesize, SY + y * tilesize, graphic,
+                     frame, tilesize);
+  MarkTileDirty(x / tilesize, y / tilesize);
 }
 
-void DrawMiniGraphicExt(Drawable d, GC gc, int x, int y, int graphic)
+void DrawSizedGraphicExt(DrawBuffer *d, int x, int y, int graphic, int frame,
+                        int tilesize)
 {
-  if (graphic >= GFX_START_ROCKSSCREEN && graphic <= GFX_END_ROCKSSCREEN)
-  {
-    graphic -= GFX_START_ROCKSSCREEN;
-    XCopyArea(display, pix[PIX_BACK], d, gc,
-             MINI_GFX_STARTX + (graphic % MINI_GFX_PER_LINE) * MINI_TILEX,
-             MINI_GFX_STARTY + (graphic / MINI_GFX_PER_LINE) * MINI_TILEY,
-             MINI_TILEX, MINI_TILEY, x, y);
-  }
-  else if (graphic >= GFX_START_ROCKSMORE && graphic <= GFX_END_ROCKSMORE)
-  {
-    graphic -= GFX_START_ROCKSMORE;
-    XCopyArea(display, pix[PIX_MORE], d, gc,
-             MINI_MORE_STARTX + (graphic % MINI_MORE_PER_LINE) * MINI_TILEX,
-             MINI_MORE_STARTY + (graphic / MINI_MORE_PER_LINE) * MINI_TILEY,
-             MINI_TILEX, MINI_TILEY, x, y);
-  }
-  else if (graphic >= GFX_START_ROCKSFONT && graphic <= GFX_END_ROCKSFONT)
-  {
-    graphic -= GFX_START_ROCKSFONT;
-    XCopyArea(display, pix[PIX_SMALLFONT], d, gc,
-             (graphic % FONT_CHARS_PER_LINE) * FONT4_XSIZE,
-             (graphic / FONT_CHARS_PER_LINE) * FONT4_YSIZE +
-             FC_SPECIAL2 * FONT2_YSIZE * FONT_LINES_PER_FONT,
-             MINI_TILEX, MINI_TILEY, x, y);
-  }
-  else
-    XFillRectangle(display, d, gc, x, y, MINI_TILEX, MINI_TILEY);
+  Bitmap *src_bitmap;
+  int src_x, src_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)
+{
+  DrawMiniGraphicExt(drawto, SX + x * MINI_TILEX,SY + y * MINI_TILEY, graphic);
+  MarkTileDirty(x / 2, y / 2);
+}
+
+void DrawMiniGraphicExt(DrawBuffer *d, int x, int y, int graphic)
+{
+  Bitmap *src_bitmap;
+  int src_x, src_y;
+
+  getMiniGraphicSource(graphic, &src_bitmap, &src_x, &src_y);
+  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 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;
+  int src_x, src_y;
+  int dst_x, dst_y;
   int width = TILEX, height = TILEY;
   int cx = 0, cy = 0;
-  int src_x, src_y, dest_x, dest_y;
-  int tile = graphic;
-  Pixmap src_pixmap;
-  GC drawing_gc;
-
-  if (graphic < 0)
-  {
-    DrawGraphic(x, y, graphic);
-    return;
-  }
 
-  if (dx || dy)                        /* Verschiebung der Grafik? */
+  if (dx || dy)                        /* shifted graphic */
   {
-    if (x < BX1)               /* Element kommt von links ins Bild */
+    if (x < BX1)               /* object enters playfield from the left */
     {
       x = BX1;
       width = dx;
       cx = TILEX - dx;
       dx = 0;
     }
-    else if (x > BX2)          /* Element kommt von rechts ins Bild */
+    else if (x > BX2)          /* object enters playfield from the right */
     {
       x = BX2;
       width = -dx;
       dx = TILEX + dx;
     }
-    else if (x==BX1 && dx < 0) /* Element verläßt links das Bild */
+    else if (x==BX1 && dx < 0) /* object leaves playfield to the left */
     {
       width += dx;
       cx = -dx;
       dx = 0;
     }
-    else if (x==BX2 && dx > 0) /* Element verläßt rechts das Bild */
+    else if (x==BX2 && dx > 0) /* object leaves playfield to the right */
       width -= dx;
-    else if (dx)               /* allg. Bewegung in x-Richtung */
+    else if (dx)               /* general horizontal movement */
       MarkTileDirty(x + SIGN(dx), y);
 
-    if (y < BY1)               /* Element kommt von oben ins Bild */
+    if (y < BY1)               /* object enters playfield from the top */
     {
-      if (cut_mode==CUT_BELOW) /* Element oberhalb des Bildes */
+      if (cut_mode==CUT_BELOW) /* object completely above top border */
        return;
 
       y = BY1;
@@ -910,13 +1177,13 @@ void DrawGraphicShifted(int x,int y, int dx,int dy, int graphic,
       cy = TILEY - dy;
       dy = 0;
     }
-    else if (y > BY2)          /* Element kommt von unten ins Bild */
+    else if (y > BY2)          /* object enters playfield from the bottom */
     {
       y = BY2;
       height = -dy;
       dy = TILEY + dy;
     }
-    else if (y==BY1 && dy < 0) /* Element verläßt oben das Bild */
+    else if (y==BY1 && dy < 0) /* object leaves playfield to the top */
     {
       height += dy;
       cy = -dy;
@@ -924,52 +1191,22 @@ void DrawGraphicShifted(int x,int y, int dx,int dy, int graphic,
     }
     else if (dy > 0 && cut_mode == CUT_ABOVE)
     {
-      if (y == BY2)            /* Element unterhalb des Bildes */
+      if (y == BY2)            /* object completely above bottom border */
        return;
 
       height = dy;
       cy = TILEY - dy;
       dy = TILEY;
       MarkTileDirty(x, y + 1);
-    }                          /* Element verläßt unten das Bild */
+    }                          /* object leaves playfield to the bottom */
     else if (dy > 0 && (y == BY2 || cut_mode == CUT_BELOW))
       height -= dy;
-    else if (dy)               /* allg. Bewegung in y-Richtung */
+    else if (dy)               /* general vertical movement */
       MarkTileDirty(x, y + SIGN(dy));
   }
 
-  if (graphic >= GFX_START_ROCKSSCREEN && graphic <= GFX_END_ROCKSSCREEN)
-  {
-    src_pixmap = pix[PIX_BACK];
-    drawing_gc = clip_gc[PIX_BACK];
-    graphic -= GFX_START_ROCKSSCREEN;
-    src_x  = SX + (graphic % GFX_PER_LINE) * TILEX + cx;
-    src_y  = SY + (graphic / GFX_PER_LINE) * TILEY + cy;
-  }
-  else if (graphic >= GFX_START_ROCKSMORE && graphic <= GFX_END_ROCKSMORE)
-  {
-    src_pixmap = pix[PIX_MORE];
-    drawing_gc = clip_gc[PIX_MORE];
-    graphic -= GFX_START_ROCKSMORE;
-    src_x  = (graphic % MORE_PER_LINE) * TILEX + cx;
-    src_y  = (graphic / MORE_PER_LINE) * TILEY + cy;
-  }
-  else if (graphic >= GFX_START_ROCKSHEROES && graphic <= GFX_END_ROCKSHEROES)
-  {
-    src_pixmap = pix[PIX_HEROES];
-    drawing_gc = clip_gc[PIX_HEROES];
-    graphic -= GFX_START_ROCKSHEROES;
-    src_x  = (graphic % HEROES_PER_LINE) * TILEX + cx;
-    src_y  = (graphic / HEROES_PER_LINE) * TILEY + cy;
-  }
-  else /* big font graphics currently not allowed (and not needed) */
-    return;
-
-  dest_x = FX + x * TILEX + dx;
-  dest_y = FY + y * TILEY + dy;
-
 #if DEBUG
-  if (!IN_SCR_FIELD(x,y))
+  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");
@@ -977,149 +1214,204 @@ void DrawGraphicShifted(int x,int y, int dx,int dy, int graphic,
   }
 #endif
 
-  if (mask_mode == USE_MASKING)
+  if (width > 0 && height > 0)
   {
-    if (tile_clipmask[tile] != None)
+    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)
     {
-      XSetClipMask(display, tile_clip_gc, tile_clipmask[tile]);
-      XSetClipOrigin(display, tile_clip_gc, dest_x, dest_y);
-      XCopyArea(display, src_pixmap, drawto_field, tile_clip_gc,
-               src_x, src_y, TILEX, TILEY, dest_x, dest_y);
+      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
-    {
-#if DEBUG
-      printf("DrawGraphicShifted(): tile '%d' needs clipping!\n", tile);
-#endif
+      BlitBitmap(src_bitmap, drawto_field, src_x, src_y, width, height,
+                dst_x, dst_y);
 
-      XSetClipOrigin(display, drawing_gc, dest_x - src_x, dest_y - src_y);
-      XCopyArea(display, src_pixmap, drawto_field, drawing_gc,
-               src_x, src_y, width, height, dest_x, dest_y);
-    }
+    MarkTileDirty(x, y);
   }
-  else
-    XCopyArea(display, src_pixmap, drawto_field, gc,
-             src_x, src_y, width, height, dest_x, dest_y);
-
-  MarkTileDirty(x,y);
 }
 
-void DrawGraphicShiftedThruMask(int x,int y, int dx,int dy, int graphic,
-                               int cut_mode)
+inline static void DrawGraphicShiftedDouble(int x, int y, int dx, int dy,
+                                           int graphic, int frame,
+                                           int cut_mode, int mask_mode)
 {
-  DrawGraphicShifted(x,y, dx,dy, graphic, cut_mode, USE_MASKING);
-}
+  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
+  /* (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
+  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! */
 
-void DrawScreenElementExt(int x, int y, int dx, int dy, int element,
-                         int cut_mode, int mask_mode)
-{
-  int ux = LEVELX(x), uy = LEVELY(y);
-  int graphic = el2gfx(element);
-  int phase8 = ABS(MovPos[ux][uy]) / (TILEX / 8);
-  int phase4 = phase8 / 2;
-  int phase2  = phase8 / 4;
-  int dir = MovDir[ux][uy];
+  /* re-calculate animation frame for two-tile movement animation */
+  frame = getGraphicAnimationFrame(graphic, sync_frame);
 
-  if (element == EL_PACMAN || element == EL_KAEFER || element == EL_FLIEGER)
-  {
-    graphic += 4 * !phase2;
+#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
 
-    if (dir == MV_UP)
-      graphic += 1;
-    else if (dir == MV_LEFT)
-      graphic += 2;
-    else if (dir == MV_DOWN)
-      graphic += 3;
-  }
-  else if (element == EL_SP_SNIKSNAK)
+#if 0
+  printf("::: %d [%d, %d] [%d] [%d]\n", frame, sync_frame, dy,
+        GfxFrame[LEVELX(x)][LEVELY(y)], mask_mode);
+#endif
+
+  /* check if movement start graphic inside screen area and should be drawn */
+  if (draw_start_tile && IN_SCR_FIELD(x1, y1))
   {
-    if (dir == MV_LEFT)
-      graphic = GFX_SP_SNIKSNAK_LEFT;
-    else if (dir == MV_RIGHT)
-      graphic = GFX_SP_SNIKSNAK_RIGHT;
-    else if (dir == MV_UP)
-      graphic = GFX_SP_SNIKSNAK_UP;
+    getGraphicSourceExt(graphic, frame, &src_bitmap, &src_x, &src_y, TRUE);
+
+    dst_x = FX + x1 * TILEX;
+    dst_y = FY + y1 * 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
-      graphic = GFX_SP_SNIKSNAK_DOWN;
+      BlitBitmap(src_bitmap, drawto_field, src_x, src_y, width, height,
+                dst_x, dst_y);
 
-    graphic += (phase8 < 4 ? phase8 : 7 - phase8);
-  }
-  else if (element == EL_SP_ELECTRON)
-  {
-    graphic = GFX2_SP_ELECTRON + getGraphicAnimationPhase(8, 2, ANIM_NORMAL);
+    MarkTileDirty(x1, y1);
   }
-  else if (element == EL_MAULWURF || element == EL_PINGUIN ||
-          element == EL_SCHWEIN || element == EL_DRACHE)
+
+  /* check if movement end graphic inside screen area and should be drawn */
+  if (draw_end_tile && IN_SCR_FIELD(x2, y2))
   {
-    if (dir == MV_LEFT)
-      graphic = (element == EL_MAULWURF ? GFX_MAULWURF_LEFT :
-                element == EL_PINGUIN ? GFX_PINGUIN_LEFT :
-                element == EL_SCHWEIN ? GFX_SCHWEIN_LEFT : GFX_DRACHE_LEFT);
-    else if (dir == MV_RIGHT)
-      graphic = (element == EL_MAULWURF ? GFX_MAULWURF_RIGHT :
-                element == EL_PINGUIN ? GFX_PINGUIN_RIGHT :
-                element == EL_SCHWEIN ? GFX_SCHWEIN_RIGHT : GFX_DRACHE_RIGHT);
-    else if (dir == MV_UP)
-      graphic = (element == EL_MAULWURF ? GFX_MAULWURF_UP :
-                element == EL_PINGUIN ? GFX_PINGUIN_UP :
-                element == EL_SCHWEIN ? GFX_SCHWEIN_UP : GFX_DRACHE_UP);
+    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
-      graphic = (element == EL_MAULWURF ? GFX_MAULWURF_DOWN :
-                element == EL_PINGUIN ? GFX_PINGUIN_DOWN :
-                element == EL_SCHWEIN ? GFX_SCHWEIN_DOWN : GFX_DRACHE_DOWN);
+      BlitBitmap(src_bitmap, drawto_field, src_x, src_y, width, height,
+                dst_x, dst_y);
 
-    graphic += phase4;
-  }
-  else if (element == EL_SONDE)
-  {
-    graphic = GFX_SONDE_START + getGraphicAnimationPhase(8, 2, ANIM_NORMAL);
-  }
-  else if (element == EL_SALZSAEURE)
-  {
-    graphic = GFX_GEBLUBBER + getGraphicAnimationPhase(4, 10, ANIM_NORMAL);
-  }
-  else if (element == EL_BUTTERFLY || element == EL_FIREFLY)
-  {
-    graphic += !phase2;
+    MarkTileDirty(x2, y2);
   }
-  else if ((element == EL_FELSBROCKEN || IS_GEM(element)) && !cut_mode)
+}
+
+static void DrawGraphicShifted(int x, int y, int dx, int dy,
+                              int graphic, int frame,
+                              int cut_mode, int mask_mode)
+{
+  if (graphic < 0)
   {
-    if (element != EL_SP_INFOTRON)
-      graphic += phase2 * (element == EL_FELSBROCKEN ? 2 : 1);
+    DrawGraphic(x, y, graphic, frame);
+
+    return;
   }
-  else if (element == EL_SIEB_LEER || element == EL_SIEB2_LEER ||
-          element == EL_SIEB_VOLL || element == EL_SIEB2_VOLL)
+
+  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,
+                               int frame, int cut_mode)
+{
+  DrawGraphicShifted(x, y, dx, dy, graphic, frame, cut_mode, USE_MASKING);
+}
+
+void DrawScreenElementExt(int x, int y, int dx, int dy, int element,
+                         int cut_mode, int mask_mode)
+{
+  int lx = LEVELX(x), ly = LEVELY(y);
+  int graphic;
+  int frame;
+
+  if (IN_LEV_FIELD(lx, ly))
   {
-    graphic += 3 + getGraphicAnimationPhase(4, 4, ANIM_REVERSE);
+    SetRandomAnimationValue(lx, ly);
+
+    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 if (IS_AMOEBOID(element))
+  else /* border element */
   {
-    graphic = (element == EL_AMOEBE_TOT ? GFX_AMOEBE_TOT : GFX_AMOEBE_LEBT);
-    graphic += (x + 2 * y + 4) % 4;
+    graphic = el2img(element);
+    frame = getGraphicAnimationFrame(graphic, -1);
   }
-  else if (element == EL_MAUER_LEBT)
+
+  if (element == EL_EXPANDABLE_WALL)
   {
-    boolean links_massiv = FALSE, rechts_massiv = FALSE;
+    boolean left_stopped = FALSE, right_stopped = FALSE;
 
-    if (!IN_LEV_FIELD(ux-1, uy) || IS_MAUER(Feld[ux-1][uy]))
-      links_massiv = TRUE;
-    if (!IN_LEV_FIELD(ux+1, uy) || IS_MAUER(Feld[ux+1][uy]))
-      rechts_massiv = TRUE;
+    if (!IN_LEV_FIELD(lx - 1, ly) || IS_WALL(Feld[lx - 1][ly]))
+      left_stopped = TRUE;
+    if (!IN_LEV_FIELD(lx + 1, ly) || IS_WALL(Feld[lx + 1][ly]))
+      right_stopped = TRUE;
 
-    if (links_massiv && rechts_massiv)
-      graphic = GFX_MAUERWERK;
-    else if (links_massiv)
-      graphic = GFX_MAUER_R;
-    else if (rechts_massiv)
-      graphic = GFX_MAUER_L;
+    if (left_stopped && right_stopped)
+      graphic = IMG_WALL;
+    else if (left_stopped)
+    {
+      graphic = IMG_EXPANDABLE_WALL_GROWING_RIGHT;
+      frame = graphic_info[graphic].anim_frames - 1;
+    }
+    else if (right_stopped)
+    {
+      graphic = IMG_EXPANDABLE_WALL_GROWING_LEFT;
+      frame = graphic_info[graphic].anim_frames - 1;
+    }
   }
 
   if (dx || dy)
-    DrawGraphicShifted(x, y, dx, dy, graphic, cut_mode, mask_mode);
+    DrawGraphicShifted(x, y, dx, dy, graphic, frame, cut_mode, mask_mode);
   else if (mask_mode == USE_MASKING)
-    DrawGraphicThruMask(x, y, graphic);
+    DrawGraphicThruMask(x, y, graphic, frame);
   else
-    DrawGraphic(x, y, graphic);
+    DrawGraphic(x, y, graphic, frame);
 }
 
 void DrawLevelElementExt(int x, int y, int dx, int dy, int element,
@@ -1142,11 +1434,6 @@ void DrawLevelElementShifted(int x, int y, int dx, int dy, int element,
   DrawLevelElementExt(x, y, dx, dy, element, cut_mode, NO_MASKING);
 }
 
-void DrawScreenElementThruMask(int x, int y, int element)
-{
-  DrawScreenElementExt(x, y, 0, 0, element, NO_CUTTING, USE_MASKING);
-}
-
 void DrawLevelElementThruMask(int x, int y, int element)
 {
   DrawLevelElementExt(x, y, 0, 0, element, NO_CUTTING, USE_MASKING);
@@ -1157,12 +1444,212 @@ void DrawLevelFieldThruMask(int x, int y)
   DrawLevelElementExt(x, y, 0, 0, Feld[x][y], NO_CUTTING, USE_MASKING);
 }
 
-void ErdreichAnbroeckeln(int x, int 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 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 crumbled_border_size = graphic_info[graphic].border_size;
+  int i;
+
+  getGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
+
+  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);
+
+    /* 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);
+
+    /* return if check prevents inner corner */
+    if (same == (dxx == dx && dyy == dy))
+      return;
+  }
+
+  /* if we reach this point, we have an inner corner */
+
+  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
+  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
+  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
+
+  BlitBitmap(src_bitmap, drawto_field, src_x + cx, src_y + cy,
+            width, height, FX + sx * TILEX + cx, FY + sy * TILEY + cy);
+
+  /* (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);
+
+      width  = crumbled_border_size;
+      height = crumbled_border_size;
+
+      if (dir == 1 || dir == 2)
+      {
+       cx = c1;
+       cy = c2;
+       bx = cx;
+       by = b1;
+      }
+      else
+      {
+       cx = c2;
+       cy = c1;
+       bx = b1;
+       by = 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 */
+
+       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                         /* top or bottom crumbled border */
+  {
+    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 i, width, height, cx,cy;
-  int ux = LEVELX(x), uy = LEVELY(y);
-  int element, graphic;
-  int snip = 4;
+  int sx = SCREENX(x), sy = SCREENY(y);
+  int element;
+  int i;
   static int xy[4][2] =
   {
     { 0, -1 },
@@ -1171,101 +1658,186 @@ void ErdreichAnbroeckeln(int x, int y)
     { 0, +1 }
   };
 
-  if (!IN_LEV_FIELD(ux, uy))
+  if (!IN_LEV_FIELD(x, y))
     return;
 
-  element = Feld[ux][uy];
+  element = TILE_GFX_ELEMENT(x, y);
 
-  if (element == EL_ERDREICH)
+  /* crumble field itself */
+  if (IS_CRUMBLED_TILE(x, y, element))
   {
-    if (!IN_SCR_FIELD(x, y))
+    if (!IN_SCR_FIELD(sx, sy))
       return;
 
-    graphic = GFX_ERDENRAND;
-
-    for(i=0; i<4; i++)
+    for (i = 0; i < 4; i++)
     {
-      int uxx, uyy;
+      int xx = x + xy[i][0];
+      int yy = y + xy[i][1];
 
-      uxx = ux + xy[i][0];
-      uyy = uy + xy[i][1];
-      if (!IN_LEV_FIELD(uxx, uyy))
-       element = EL_BETON;
-      else
-       element = Feld[uxx][uyy];
+      element = (IN_LEV_FIELD(xx, yy) ? TILE_GFX_ELEMENT(xx, yy) :
+                BorderElement);
 
-      if (element == EL_ERDREICH)
+      /* 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 (IS_CRUMBLED_TILE(xx, yy, element))
        continue;
+#endif
 
-      if (i == 1 || i == 2)
-      {
-       width = snip;
-       height = TILEY;
-       cx = (i == 2 ? TILEX - snip : 0);
-       cy = 0;
-      }
-      else
+      DrawLevelFieldCrumbledBorders(x, y, graphic, frame, i);
+    }
+
+    if ((graphic_info[graphic].style & STYLE_INNER_CORNERS) &&
+       graphic_info[graphic].anim_frames == 2)
+    {
+      for (i = 0; i < 4; i++)
       {
-       width = TILEX;
-       height = snip;
-       cx = 0;
-       cy = (i == 3 ? TILEY - snip : 0);
-      }
+       int dx = (i & 1 ? +1 : -1);
+       int dy = (i & 2 ? +1 : -1);
 
-      XCopyArea(display, pix[PIX_BACK], drawto_field, gc,
-               SX + (graphic % GFX_PER_LINE) * TILEX + cx,
-               SY + (graphic / GFX_PER_LINE) * TILEY + cy,
-               width, height, FX + x * TILEX + cx, FY + y * TILEY + cy);
+       DrawLevelFieldCrumbledInnerCorners(x, y, dx, dy, graphic);
+      }
     }
 
-    MarkTileDirty(x, y);
+    MarkTileDirty(sx, sy);
   }
-  else
+  else         /* center field not crumbled -- crumble neighbour fields */
   {
-    graphic = GFX_ERDENRAND;
-
-    for(i=0; i<4; i++)
+    for (i = 0; i < 4; i++)
     {
-      int xx, yy, uxx, uyy;
+      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;
 
-      xx = x + xy[i][0];
-      yy = y + xy[i][1];
-      uxx = ux + xy[i][0];
-      uyy = uy + xy[i][1];
+      element = TILE_GFX_ELEMENT(xx, yy);
 
-      if (!IN_LEV_FIELD(uxx, uyy) || Feld[uxx][uyy] != EL_ERDREICH ||
-         !IN_SCR_FIELD(xx, yy))
+      if (!IS_CRUMBLED_TILE(xx, yy, element))
        continue;
 
-      if (i == 1 || i == 2)
-      {
-       width = snip;
-       height = TILEY;
-       cx = (i == 1 ? TILEX - snip : 0);
-       cy = 0;
-      }
-      else
-      {
-       width = TILEX;
-       height = snip;
-       cx = 0;
-       cy = (i==0 ? TILEY-snip : 0);
-      }
+      graphic = el_act2crm(element, ACTION_DEFAULT);
 
-      XCopyArea(display, pix[PIX_BACK], drawto_field, gc,
-               SX + (graphic % GFX_PER_LINE) * TILEX + cx,
-               SY + (graphic / GFX_PER_LINE) * TILEY + cy,
-               width, height, FX + xx * TILEX + cx, FY + yy * TILEY + cy);
+      DrawLevelFieldCrumbledBorders(xx, yy, graphic, 0, 3 - i);
 
-      MarkTileDirty(xx, yy);
+      MarkTileDirty(sxx, syy);
     }
   }
 }
 
+void DrawLevelFieldCrumbled(int x, int y)
+{
+  int graphic;
+
+  if (!IN_LEV_FIELD(x, y))
+    return;
+
+#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]);
+
+    return;
+  }
+#endif
+
+#if 1
+  graphic = el_act2crm(TILE_GFX_ELEMENT(x, y), ACTION_DEFAULT);
+#else
+  graphic = el_act2crm(Feld[x][y], ACTION_DEFAULT);
+#endif
+
+  DrawLevelFieldCrumbledExt(x, y, graphic, 0);
+}
+
+void DrawLevelFieldCrumbledDigging(int x, int y, int direction,
+                                  int step_frame)
+{
+  int graphic1 = el_act_dir2img(GfxElement[x][y], ACTION_DIGGING, direction);
+  int graphic2 = el_act_dir2crm(GfxElement[x][y], ACTION_DIGGING, direction);
+  int frame1 = getGraphicAnimationFrame(graphic1, step_frame);
+  int frame2 = getGraphicAnimationFrame(graphic2, step_frame);
+  int sx = SCREENX(x), sy = SCREENY(y);
+
+  DrawGraphic(sx, sy, graphic1, frame1);
+  DrawLevelFieldCrumbledExt(x, y, graphic2, frame2);
+}
+
+void DrawLevelFieldCrumbledNeighbours(int x, int y)
+{
+  int sx = SCREENX(x), sy = SCREENY(y);
+  static int xy[4][2] =
+  {
+    { 0, -1 },
+    { -1, 0 },
+    { +1, 0 },
+    { 0, +1 }
+  };
+  int i;
+
+  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) ||
+       !GFX_CRUMBLED(Feld[xx][yy]) ||
+       IS_MOVING(xx, yy))
+      continue;
+
+    DrawLevelField(xx, yy);
+  }
+}
+
+static int getBorderElement(int x, int y)
+{
+  int border[7][2] =
+  {
+    { EL_STEELWALL_TOPLEFT,            EL_INVISIBLE_STEELWALL_TOPLEFT     },
+    { EL_STEELWALL_TOPRIGHT,           EL_INVISIBLE_STEELWALL_TOPRIGHT    },
+    { EL_STEELWALL_BOTTOMLEFT,         EL_INVISIBLE_STEELWALL_BOTTOMLEFT  },
+    { EL_STEELWALL_BOTTOMRIGHT,                EL_INVISIBLE_STEELWALL_BOTTOMRIGHT },
+    { EL_STEELWALL_VERTICAL,           EL_INVISIBLE_STEELWALL_VERTICAL    },
+    { EL_STEELWALL_HORIZONTAL,         EL_INVISIBLE_STEELWALL_HORIZONTAL  },
+    { EL_STEELWALL,                    EL_INVISIBLE_STEELWALL             }
+  };
+  int steel_type = (BorderElement == EL_STEELWALL ? 0 : 1);
+  int steel_position = (x == -1                && y == -1              ? 0 :
+                       x == lev_fieldx && y == -1              ? 1 :
+                       x == -1         && y == lev_fieldy      ? 2 :
+                       x == lev_fieldx && y == lev_fieldy      ? 3 :
+                       x == -1         || x == lev_fieldx      ? 4 :
+                       y == -1         || y == lev_fieldy      ? 5 : 6);
+
+  return border[steel_position][steel_type];
+}
+
 void DrawScreenElement(int x, int y, int element)
 {
   DrawScreenElementExt(x, y, 0, 0, element, NO_CUTTING, NO_MASKING);
-  ErdreichAnbroeckeln(x, y);
+  DrawLevelFieldCrumbled(LEVELX(x), LEVELY(y));
 }
 
 void DrawLevelElement(int x, int y, int element)
@@ -1276,81 +1848,127 @@ void DrawLevelElement(int x, int y, int element)
 
 void DrawScreenField(int x, int y)
 {
-  int ux = LEVELX(x), uy = LEVELY(y);
-  int element;
+  int lx = LEVELX(x), ly = LEVELY(y);
+  int element, content;
 
-  if (!IN_LEV_FIELD(ux, uy))
+  if (!IN_LEV_FIELD(lx, ly))
   {
-    if (ux < -1 || ux > lev_fieldx || uy < -1 || uy > lev_fieldy)
-      element = EL_LEERRAUM;
+    if (lx < -1 || lx > lev_fieldx || ly < -1 || ly > lev_fieldy)
+      element = EL_EMPTY;
     else
-      element = BorderElement;
+      element = getBorderElement(lx, ly);
 
     DrawScreenElement(x, y, element);
+
     return;
   }
 
-  element = Feld[ux][uy];
+  element = Feld[lx][ly];
+  content = Store[lx][ly];
 
-  if (IS_MOVING(ux, uy))
+  if (IS_MOVING(lx, ly))
   {
-    int horiz_move = (MovDir[ux][uy] == MV_LEFT || MovDir[ux][uy] == MV_RIGHT);
+    int horiz_move = (MovDir[lx][ly] == MV_LEFT || MovDir[lx][ly] == MV_RIGHT);
     boolean cut_mode = NO_CUTTING;
 
-    if (Store[ux][uy] == EL_MORAST_LEER ||
-       Store[ux][uy] == EL_SIEB_LEER ||
-       Store[ux][uy] == EL_SIEB2_LEER ||
-       Store[ux][uy] == EL_AMOEBE_NASS)
+    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 (Store[ux][uy] == EL_MORAST_VOLL ||
-            Store[ux][uy] == EL_SIEB_VOLL ||
-            Store[ux][uy] == EL_SIEB2_VOLL)
+    else if (element == EL_QUICKSAND_FILLING ||
+            element == EL_QUICKSAND_FAST_FILLING ||
+            element == EL_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)
-      DrawScreenElementShifted(x, y, 0, 0, Store[ux][uy], NO_CUTTING);
+#if 1
+      DrawScreenElement(x, y, element);
+#else
+      DrawScreenElementShifted(x, y, 0, 0, element, NO_CUTTING);
+#endif
     else
-      DrawScreenElement(x, y, EL_LEERRAUM);
+      DrawScreenElement(x, y, EL_EMPTY);
 
     if (horiz_move)
-      DrawScreenElementShifted(x, y, MovPos[ux][uy], 0, element, NO_CUTTING);
+      DrawScreenElementShifted(x, y, MovPos[lx][ly], 0, element, NO_CUTTING);
+    else if (cut_mode == NO_CUTTING)
+      DrawScreenElementShifted(x, y, 0, MovPos[lx][ly], element, cut_mode);
     else
-      DrawScreenElementShifted(x, y, 0, MovPos[ux][uy], element, cut_mode);
+    {
+      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];
+      int newlx = lx + (dir == MV_LEFT ? -1 : dir == MV_RIGHT ? +1 : 0);
+      int newly = ly + (dir == MV_UP   ? -1 : dir == MV_DOWN  ? +1 : 0);
 
-    if (Store[ux][uy] == EL_SALZSAEURE)
-      DrawLevelElementThruMask(ux, uy + 1, EL_SALZSAEURE);
+      DrawLevelElementThruMask(newlx, newly, EL_ACID);
+    }
   }
-  else if (IS_BLOCKED(ux, uy))
+  else if (IS_BLOCKED(lx, ly))
   {
     int oldx, oldy;
     int sx, sy;
     int horiz_move;
     boolean cut_mode = NO_CUTTING;
+    int element_old, content_old;
 
-    Blocked2Moving(ux, uy, &oldx, &oldy);
+    Blocked2Moving(lx, ly, &oldx, &oldy);
     sx = SCREENX(oldx);
     sy = SCREENY(oldy);
     horiz_move = (MovDir[oldx][oldy] == MV_LEFT ||
                  MovDir[oldx][oldy] == MV_RIGHT);
 
-    if (Store[oldx][oldy] == EL_MORAST_LEER ||
-       Store[oldx][oldy] == EL_SIEB_LEER ||
-       Store[oldx][oldy] == EL_SIEB2_LEER ||
-       Store[oldx][oldy] == EL_AMOEBE_NASS)
+    element_old = Feld[oldx][oldy];
+    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;
 
-    DrawScreenElement(x, y, EL_LEERRAUM);
-    element = Feld[oldx][oldy];
+    DrawScreenElement(x, y, EL_EMPTY);
 
     if (horiz_move)
-      DrawScreenElementShifted(sx,sy, MovPos[oldx][oldy],0,element,NO_CUTTING);
+      DrawScreenElementShifted(sx, sy, MovPos[oldx][oldy], 0, element_old,
+                              NO_CUTTING);
+    else if (cut_mode == NO_CUTTING)
+      DrawScreenElementShifted(sx, sy, 0, MovPos[oldx][oldy], element_old,
+                              cut_mode);
     else
-      DrawScreenElementShifted(sx,sy, 0,MovPos[oldx][oldy],element,cut_mode);
+      DrawScreenElementShifted(sx, sy, 0, MovPos[oldx][oldy], content_old,
+                              cut_mode);
   }
   else if (IS_DRAWABLE(element))
     DrawScreenElement(x, y, element);
   else
-    DrawScreenElement(x, y, EL_LEERRAUM);
+    DrawScreenElement(x, y, EL_EMPTY);
 }
 
 void DrawLevelField(int x, int y)
@@ -1379,13 +1997,7 @@ void DrawMiniElement(int x, int y, int element)
 {
   int graphic;
 
-  if (!element)
-  {
-    DrawMiniGraphic(x, y, -1);
-    return;
-  }
-
-  graphic = el2gfx(element);
+  graphic = el2edimg(element);
   DrawMiniGraphic(x, y, graphic);
 }
 
@@ -1394,192 +2006,681 @@ void DrawMiniElementOrWall(int sx, int sy, int scroll_x, int scroll_y)
   int x = sx + scroll_x, y = sy + scroll_y;
 
   if (x < -1 || x > lev_fieldx || y < -1 || y > lev_fieldy)
-    DrawMiniElement(sx, sy, EL_LEERRAUM);
+    DrawMiniElement(sx, sy, EL_EMPTY);
   else if (x > -1 && x < lev_fieldx && y > -1 && y < lev_fieldy)
     DrawMiniElement(sx, sy, Feld[x][y]);
-  else if (x == -1 && y == -1)
-    DrawMiniGraphic(sx, sy, GFX_STEEL_UPPER_LEFT);
-  else if (x == lev_fieldx && y == -1)
-    DrawMiniGraphic(sx, sy, GFX_STEEL_UPPER_RIGHT);
-  else if (x == -1 && y == lev_fieldy)
-    DrawMiniGraphic(sx, sy, GFX_STEEL_LOWER_LEFT);
-  else if (x == lev_fieldx && y == lev_fieldy)
-    DrawMiniGraphic(sx, sy, GFX_STEEL_LOWER_RIGHT);
-  else if (x == -1 || x == lev_fieldx)
-    DrawMiniGraphic(sx, sy, GFX_STEEL_VERTICAL);
-  else if (y == -1 || y == lev_fieldy)
-    DrawMiniGraphic(sx, sy, GFX_STEEL_HORIZONTAL);
-}
-
-void DrawMicroElement(int xpos, int ypos, int element)
-{
-  int graphic;
+  else
+    DrawMiniGraphic(sx, sy, el2edimg(getBorderElement(x, y)));
+}
 
-  if (element == EL_LEERRAUM)
+void DrawEnvelopeBackground(int envelope_nr, int startx, int starty,
+                           int x, int y, int xsize, int ysize, int font_nr)
+{
+  int font_width  = getFontWidth(font_nr);
+  int font_height = getFontHeight(font_nr);
+  int graphic = IMG_BACKGROUND_ENVELOPE_1 + envelope_nr;
+  Bitmap *src_bitmap;
+  int src_x, src_y;
+  int dst_x = SX + startx + x * font_width;
+  int dst_y = SY + starty + y * font_height;
+  int width  = graphic_info[graphic].width;
+  int height = graphic_info[graphic].height;
+  int inner_width  = MAX(width  - 2 * font_width,  font_width);
+  int inner_height = MAX(height - 2 * font_height, font_height);
+  int inner_sx = (width >= 3 * font_width ? font_width : 0);
+  int inner_sy = (height >= 3 * font_height ? font_height : 0);
+  boolean draw_masked = graphic_info[graphic].draw_masked;
+
+  getGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
+
+  if (src_bitmap == NULL || width < font_width || height < font_height)
+  {
+    ClearRectangle(drawto, dst_x, dst_y, font_width, font_height);
     return;
+  }
 
-  graphic = el2gfx(element);
+  src_x += (x == 0 ? 0 : x == xsize - 1 ? width  - font_width  :
+           inner_sx + (x - 1) * font_width  % inner_width);
+  src_y += (y == 0 ? 0 : y == ysize - 1 ? height - font_height :
+           inner_sy + (y - 1) * font_height % inner_height);
 
-  if (graphic >= GFX_START_ROCKSMORE && graphic <= GFX_END_ROCKSMORE)
+  if (draw_masked)
   {
-    graphic -= GFX_START_ROCKSMORE;
-    XCopyArea(display, pix[PIX_MORE], drawto, gc,
-             MICRO_MORE_STARTX + (graphic % MICRO_MORE_PER_LINE) *MICRO_TILEX,
-             MICRO_MORE_STARTY + (graphic / MICRO_MORE_PER_LINE) *MICRO_TILEY,
-             MICRO_TILEX, MICRO_TILEY, xpos, ypos);
+    SetClipOrigin(src_bitmap, src_bitmap->stored_clip_gc,
+                 dst_x - src_x, dst_y - src_y);
+    BlitBitmapMasked(src_bitmap, drawto, src_x, src_y, font_width, font_height,
+                    dst_x, dst_y);
   }
   else
-    XCopyArea(display, pix[PIX_BACK], drawto, gc,
-             MICRO_GFX_STARTX + (graphic % MICRO_GFX_PER_LINE) * MICRO_TILEX,
-             MICRO_GFX_STARTY + (graphic / MICRO_GFX_PER_LINE) * MICRO_TILEY,
-             MICRO_TILEX, MICRO_TILEY, xpos, ypos);
+    BlitBitmap(src_bitmap, drawto, src_x, src_y, font_width, font_height,
+              dst_x, dst_y);
 }
 
-void DrawLevel()
+void AnimateEnvelope(int envelope_nr, int anim_mode, int action)
 {
-  int x,y;
+  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);
+  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;
 
-  ClearWindow();
+  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;
 
-  for(x=BX1; x<=BX2; x++)
-    for(y=BY1; y<=BY2; y++)
-      DrawScreenField(x, y);
+    SetDrawtoField(DRAW_BUFFERED);
 
-  if (setup.soft_scrolling)
-    XCopyArea(display, fieldbuffer, backbuffer, gc,
-             FX, FY, SXSIZE, SYSIZE, SX, SY);
+    BlitBitmap(fieldbuffer, backbuffer, FX, FY, SXSIZE, SYSIZE, SX, SY);
 
-  redraw_mask |= (REDRAW_FIELD | REDRAW_FROM_BACKBUFFER);
-}
+    SetDrawtoField(DRAW_BACKBUFFER);
 
-void DrawMiniLevel(int scroll_x, int scroll_y)
-{
-  int x,y;
+    for (yy = 0; yy < ysize; yy++) for (xx = 0; xx < xsize; xx++)
+      DrawEnvelopeBackground(envelope_nr, sx,sy, xx,yy, xsize, ysize, font_nr);
 
-  for(x=0; x<ED_FIELDX; x++)
-    for(y=0; y<ED_FIELDY; y++)
-      DrawMiniElementOrWall(x, y, scroll_x, scroll_y);
+#if 1
+    DrawTextBuffer(SX + sx + font_width, SY + sy + font_height,
+                  level.envelope[envelope_nr].text, font_nr, max_xsize,
+                  xsize - 2, ysize - 2, mask_mode,
+                  level.envelope[envelope_nr].autowrap,
+                  level.envelope[envelope_nr].centered, FALSE);
+#else
+    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_mask |= REDRAW_FIELD | REDRAW_FROM_BACKBUFFER;
+    BackToFront();
+
+    WaitUntilDelayReached(&anim_delay, anim_delay_value / 2);
+  }
 }
 
-static void DrawMicroLevelExt(int xpos, int ypos, int from_x, int from_y)
+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);
+  int font_nr = FONT_ENVELOPE_1 + envelope_nr;
+  int font_width = getFontWidth(font_nr);
+  int font_height = getFontHeight(font_nr);
+#if 1
+  int max_xsize = 7;   /* tools.c: MAX_REQUEST_LINE_FONT1_LEN == 7 */
+  int max_ysize = 13;  /* tools.c: MAX_REQUEST_LINES == 13 */
+#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;
+  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;
 
-  /* determine border element for this level */
-  SetBorderElement();
-
-  XFillRectangle(display, drawto, gc,
-                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;
+#if 1
+  int max_word_len = 0;
+  char *text_ptr;
+  char *text_copy = getStringCopy(text);
 
-  xpos += MICRO_TILEX;
-  ypos += MICRO_TILEY;
+  font_nr = FONT_TEXT_2;
 
-  for(x=-1; x<=STD_LEV_FIELDX; x++)
+  for (text_ptr = text; *text_ptr; text_ptr++)
   {
-    for(y=-1; y<=STD_LEV_FIELDY; y++)
+    max_word_len = (*text_ptr != ' ' ? max_word_len + 1 : 0);
+
+    if (max_word_len > 7)      /* tools.c: MAX_REQUEST_LINE_FONT1_LEN == 7 */
     {
-      int lx = from_x + x, ly = from_y + y;
+      max_xsize = 10;  /* tools.c: MAX_REQUEST_LINE_FONT2_LEN == 10 */
+      font_nr = FONT_TEXT_1;
 
-      if (lx >= 0 && lx < lev_fieldx && ly >= 0 && ly < lev_fieldy)
-       DrawMicroElement(xpos + x * MICRO_TILEX, ypos + y * MICRO_TILEY,
-                        Ur[lx][ly]);
-      else if (lx >= -1 && lx < lev_fieldx+1 && ly >= -1 && ly < lev_fieldy+1)
-       DrawMicroElement(xpos + x * MICRO_TILEX, ypos + y * MICRO_TILEY,
-                        BorderElement);
+      break;
     }
   }
 
-  redraw_mask |= REDRAW_MICROLEVEL;
-}
+  for (text_ptr = text_copy; *text_ptr; text_ptr++)
+    if (*text_ptr == ' ')
+      *text_ptr = '\n';
+#endif
 
-static void DrawMicroLevelLabelExt(int mode)
-{
-  char label_text[100];
+  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;
 
-  XFillRectangle(display, drawto,gc,
-                SX, MICROLABEL_YPOS, SXSIZE, FONT4_YSIZE);
+#if 1
+    BlitBitmap(bitmap_db_store, backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+#else
+    SetDrawtoField(DRAW_BUFFERED);
 
-  strcpy(label_text, (mode == 1 ? level.name :
-                     mode == 2 ? "created by" :
-                     mode == 3 ? level.author : ""));
+    BlitBitmap(fieldbuffer, backbuffer, FX, FY, SXSIZE, SYSIZE, SX, SY);
 
-  if (strlen(label_text) > 0)
-  {
-    int size, lxpos, lypos;
+    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,
+                  text_copy, font_nr, max_xsize,
+                  xsize - 2, ysize - 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, 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[envelope_nr].text, font_nr, max_xsize,
+                      xsize - 2, ysize - 2, mask_mode);
+#endif
+
+#if 1
+    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);
+  }
+
+  free(text_copy);
+}
+
+void ShowEnvelope(int envelope_nr)
+{
+  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];
+  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);
+  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);
+
+  game.envelope_active = TRUE; /* needed for RedrawPlayfield() events */
+
+  PlayMenuSoundStereo(sound_opening, SOUND_MIDDLE);
+
+  if (anim_mode == ANIM_DEFAULT)
+    AnimateEnvelope(envelope_nr, ANIM_DEFAULT, ACTION_OPENING);
+
+  AnimateEnvelope(envelope_nr, main_anim_mode, ACTION_OPENING);
+
+  if (tape.playing)
+    Delay(wait_delay_value);
+  else
+    WaitForEventToContinue();
+
+  PlayMenuSoundStereo(sound_closing, SOUND_MIDDLE);
+
+  if (anim_mode != ANIM_NONE)
+    AnimateEnvelope(envelope_nr, main_anim_mode, ACTION_CLOSING);
+
+  if (anim_mode == ANIM_DEFAULT)
+    AnimateEnvelope(envelope_nr, ANIM_DEFAULT, ACTION_CLOSING);
+
+  game.envelope_active = FALSE;
+
+  SetDrawtoField(DRAW_BUFFERED);
+
+  redraw_mask |= REDRAW_FIELD;
+  BackToFront();
+}
+
+void ShowEnvelopeDoor(char *text)
+{
+#if 1
+  int last_game_status = game_status;  /* save current game status */
+  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];
+  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);
+  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);
+
+  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 */
+
+  PlayMenuSoundStereo(sound_opening, SOUND_MIDDLE);
+
+  if (anim_mode == ANIM_DEFAULT)
+    AnimateEnvelopeDoor(text, ANIM_DEFAULT, ACTION_OPENING);
+
+  AnimateEnvelopeDoor(text, main_anim_mode, ACTION_OPENING);
+
+  if (tape.playing)
+    Delay(wait_delay_value);
+  else
+    WaitForEventToContinue();
+
+  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 (game_status != GAME_MODE_MAIN)
+    StopAnimation();
+
+  BlitBitmap(bitmap_db_store, backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+#else
+  SetDrawtoField(DRAW_BUFFERED);
+#endif
+
+#if 1
+  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);
+
+  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);
+#endif
+
+  ClearField();
+
+  for (x = BX1; x <= BX2; x++)
+    for (y = BY1; y <= BY2; y++)
+      DrawScreenField(x, y);
+
+  redraw_mask |= REDRAW_FIELD;
+}
+
+void DrawMiniLevel(int size_x, int size_y, int scroll_x, int scroll_y)
+{
+  int x,y;
+
+  for (x = 0; x < size_x; x++)
+    for (y = 0; y < size_y; y++)
+      DrawMiniElementOrWall(x, y, scroll_x, scroll_y);
+
+  redraw_mask |= REDRAW_FIELD;
+}
+
+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(dst_x, dst_y, preview_width, preview_height);
+
+  dst_x += (preview_width  - real_preview_xsize * tile_size) / 2;
+  dst_y += (preview_height - real_preview_ysize * tile_size) / 2;
+
+  for (x = 0; x < real_preview_xsize; x++)
+  {
+    for (y = 0; y < real_preview_ysize; y++)
+    {
+      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);
+    }
+  }
+
+  redraw_mask |= REDRAW_MICROLEVEL;
+}
+
+#define MICROLABEL_EMPTY               0
+#define MICROLABEL_LEVEL_NAME          1
+#define MICROLABEL_LEVEL_AUTHOR_HEAD   2
+#define MICROLABEL_LEVEL_AUTHOR                3
+#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 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_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;
+
+    DrawText(lxpos, lypos, label_text, font_nr);
+#endif
+  }
 
-    label_text[SXSIZE / FONT4_XSIZE] = '\0';
+  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';
 
-    size = strlen(label_text);
-    lxpos = SX + (SXSIZE - size * FONT4_XSIZE) / 2;
-    lypos = MICROLABEL_YPOS;
+  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;
 
-    DrawText(lxpos, lypos, label_text, FS_SMALL, FC_SPECIAL2);
+    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;
+  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);
     DelayReached(&label_delay, 0);
 
+    if (leveldir_current->name)
+    {
+      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, label_text, font_nr);
+#endif
+    }
+
+    game_status = last_game_status;    /* restore current game status */
+
     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;
@@ -1588,963 +2689,5695 @@ 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[leveldir_nr].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))
   {
-    label_counter = (label_counter + 1) % 23;
-    label_state = (label_counter >= 0 && label_counter <= 7 ? 1 :
-                  label_counter >= 9 && label_counter <= 12 ? 2 :
-                  label_counter >= 14 && label_counter <= 21 ? 3 : 0);
-    DrawMicroLevelLabelExt(label_state);
+    int max_label_counter = 23;
+
+    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_LEVEL_AUTHOR_HEAD :
+                  label_counter >= 14 && label_counter <= 21 ?
+                  MICROLABEL_LEVEL_AUTHOR :
+                  label_counter >= 23 && label_counter <= 26 ?
+                  MICROLABEL_IMPORTED_FROM_HEAD :
+                  label_counter >= 28 && label_counter <= 35 ?
+                  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 */
 }
 
-int REQ_in_range(int x, int y)
+inline void DrawGraphicAnimationExt(DrawBuffer *dst_bitmap, int x, int y,
+                                   int graphic, int sync_frame, int mask_mode)
 {
-  if (y > DY+249 && y < DY+278)
-  {
-    if (x > DX+1 && x < DX+48)
-      return 1;
-    else if (x > DX+51 && x < DX+98) 
-      return 2;
-  }
-  return 0;
+  int frame = getGraphicAnimationFrame(graphic, sync_frame);
+
+  if (mask_mode == USE_MASKING)
+    DrawGraphicThruMaskExt(dst_bitmap, x, y, graphic, frame);
+  else
+    DrawGraphicExt(dst_bitmap, x, y, graphic, frame);
 }
 
-boolean Request(char *text, unsigned int req_state)
+inline void DrawGraphicAnimation(int x, int y, int graphic)
 {
-  int mx, my, ty, result = -1;
-  unsigned int old_door_state;
+  int lx = LEVELX(x), ly = LEVELY(y);
 
-#ifndef MSDOS
-  /* pause network game while waiting for request to answer */
-  if (options.network &&
-      game_status == PLAYING &&
-      req_state & REQUEST_WAIT_FOR)
-    SendToServer_PausePlaying();
-#endif
+  if (!IN_SCR_FIELD(x, y))
+    return;
 
-  old_door_state = GetDoorState();
+  DrawGraphicAnimationExt(drawto_field, FX + x * TILEX, FY + y * TILEY,
+                         graphic, GfxFrame[lx][ly], NO_MASKING);
+  MarkTileDirty(x, y);
+}
 
-  UnmapAllGadgets();
+void DrawLevelGraphicAnimation(int x, int y, int graphic)
+{
+  DrawGraphicAnimation(SCREENX(x), SCREENY(y), graphic);
+}
+
+void DrawLevelElementAnimation(int x, int y, int element)
+{
+  int graphic = el_act_dir2img(element, GfxAction[x][y], GfxDir[x][y]);
 
-  CloseDoor(DOOR_CLOSE_1);
+  DrawGraphicAnimation(SCREENX(x), SCREENY(y), graphic);
+}
 
-  /* save old door content */
-  XCopyArea(display, pix[PIX_DB_DOOR], pix[PIX_DB_DOOR], gc,
-           DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE,
-           DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1);
+inline void DrawLevelGraphicAnimationIfNeeded(int x, int y, int graphic)
+{
+  int sx = SCREENX(x), sy = SCREENY(y);
 
-  /* clear door drawing field */
-#if 0
-  XFillRectangle(display, pix[PIX_DB_DOOR], gc,
-                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE);
+  if (!IN_LEV_FIELD(x, y) || !IN_SCR_FIELD(sx, sy))
+    return;
+
+  if (!IS_NEW_FRAME(GfxFrame[x][y], graphic))
+    return;
+
+  DrawGraphicAnimation(sx, sy, graphic);
+
+#if 1
+  if (GFX_CRUMBLED(TILE_GFX_ELEMENT(x, y)))
+    DrawLevelFieldCrumbled(x, y);
 #else
-  XFillRectangle(display, drawto, gc, DX, DY, DXSIZE, DYSIZE);
+  if (GFX_CRUMBLED(Feld[x][y]))
+    DrawLevelFieldCrumbled(x, y);
 #endif
+}
 
-  /* write text for request */
-  for(ty=0; ty<13; ty++)
+void DrawLevelElementAnimationIfNeeded(int x, int y, int element)
+{
+  int sx = SCREENX(x), sy = SCREENY(y);
+  int graphic;
+
+  if (!IN_LEV_FIELD(x, y) || !IN_SCR_FIELD(sx, sy))
+    return;
+
+  graphic = el_act_dir2img(element, GfxAction[x][y], GfxDir[x][y]);
+
+  if (!IS_NEW_FRAME(GfxFrame[x][y], graphic))
+    return;
+
+  DrawGraphicAnimation(sx, sy, graphic);
+
+  if (GFX_CRUMBLED(element))
+    DrawLevelFieldCrumbled(x, y);
+}
+
+static int getPlayerGraphic(struct PlayerInfo *player, int move_dir)
+{
+  if (player->use_murphy)
   {
-    int tx, tl, tc;
-    char txt[256];
+    /* 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 (!*text)
-      break;
+    if (move_dir == MV_LEFT || move_dir == MV_RIGHT)
+      last_horizontal_dir = move_dir;
 
-    for(tl=0,tx=0; tx<7; tl++,tx++)
+    if (graphic == IMG_SP_MURPHY)      /* undefined => use special graphic */
     {
-      tc = *(text + tx);
-      if (!tc || tc == 32)
-       break;
+      int direction = (player->is_snapping ? move_dir : last_horizontal_dir);
+
+      graphic = el_act_dir2img(EL_SP_MURPHY, player->GfxAction, direction);
+    }
+
+    return graphic;
+  }
+  else
+    return el_act_dir2img(player->artwork_element, player->GfxAction,move_dir);
+}
+
+static boolean equalGraphics(int graphic1, int graphic2)
+{
+  struct GraphicInfo *g1 = &graphic_info[graphic1];
+  struct GraphicInfo *g2 = &graphic_info[graphic2];
+
+  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 DrawAllPlayers()
+{
+  int i;
+
+  for (i = 0; i < MAX_PLAYERS; i++)
+    if (stored_player[i].active)
+      DrawPlayer(&stored_player[i]);
+}
+
+void DrawPlayerField(int x, int y)
+{
+  if (!IS_PLAYER(x, y))
+    return;
+
+  DrawPlayer(PLAYERINFO(x, y));
+}
+
+#define DRAW_PLAYER_OVER_PUSHED_ELEMENT        1
+
+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;
+
+  /* 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;
+
+  if (!player->active || !IN_SCR_FIELD(SCREENX(last_jx), SCREENY(last_jy)))
+    return;
+
+#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 (element == EL_EXPLOSION)
+    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);
+
+  if (player->is_waiting)
+    move_dir = player->dir_waiting;
+
+  InitPlayerGfxAnimation(player, action, move_dir);
+
+  /* ----------------------------------------------------------------------- */
+  /* draw things in the field the player is leaving, if needed               */
+  /* ----------------------------------------------------------------------- */
+
+  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
+    /* !!! 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
+
+    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 (player_is_moving && GfxElement[jx][jy] != EL_UNDEFINED)
+    {
+      int old_element = GfxElement[jx][jy];
+      int old_graphic = el_act_dir2img(old_element, action, move_dir);
+      int frame = getGraphicAnimationFrame(old_graphic, player->StepFrame);
+
+      if (GFX_CRUMBLED(old_element))
+       DrawLevelFieldCrumbledDigging(jx, jy, move_dir, player->StepFrame);
+      else
+       DrawGraphic(sx, sy, old_graphic, frame);
+
+      if (graphic_info[old_graphic].anim_mode & ANIM_OPAQUE_PLAYER)
+       player_is_opaque = TRUE;
+    }
+    else
+    {
+      GfxElement[jx][jy] = EL_UNDEFINED;
+
+      /* make sure that pushed elements are drawn with correct frame rate */
+#if 1
+      graphic = el_act_dir2img(element, ACTION_PUSHING, move_dir);
+
+      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
+
+      DrawLevelField(jx, jy);
+    }
+  }
+
+#if !DRAW_PLAYER_OVER_PUSHED_ELEMENT
+  /* ----------------------------------------------------------------------- */
+  /* draw player himself                                                     */
+  /* ----------------------------------------------------------------------- */
+
+  graphic = getPlayerGraphic(player, move_dir);
+
+  /* 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;
+
+  frame = getGraphicAnimationFrame(graphic, player->Frame);
+
+  if (player->GfxPos)
+  {
+    if (move_dir == MV_LEFT || move_dir == MV_RIGHT)
+      sxx = player->GfxPos;
+    else
+      syy = player->GfxPos;
+  }
+
+  if (!setup.soft_scrolling && ScreenMovPos)
+    sxx = syy = 0;
+
+  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 (SHIELD_ON(player))
+  {
+    int graphic = (player->shield_deadly_time_left ? IMG_SHIELD_DEADLY_ACTIVE :
+                  IMG_SHIELD_NORMAL_ACTIVE);
+    int frame = getGraphicAnimationFrame(graphic, -1);
+
+    DrawGraphicShiftedThruMask(sx, sy, sxx, syy, graphic, frame, NO_CUTTING);
+  }
+#endif
+
+#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
+
+  /* ----------------------------------------------------------------------- */
+  /* draw things the player is pushing, if needed                            */
+  /* ----------------------------------------------------------------------- */
+
+#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)
+  {
+    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];
+
+    int graphic;
+    int sync_frame;
+    int frame;
+
+    if (!IS_MOVING(jx, jy))            /* push movement already finished */
+    {
+      element = Feld[next_jx][next_jy];
+      gfx_frame = GfxFrame[next_jx][next_jy];
+    }
+
+    graphic = el_act_dir2img(element, ACTION_PUSHING, move_dir);
+
+#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
+    if (game.use_masked_pushing && IS_MOVING(jx, jy))
+    {
+      /* this allows transparent pushing animation over non-black background */
+
+      if (Back[jx][jy])
+       DrawLevelElement(jx, jy, Back[jx][jy]);
+      else
+       DrawLevelElement(jx, jy, EL_EMPTY);
+
+      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 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
+
+#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
+
+#if DRAW_PLAYER_OVER_PUSHED_ELEMENT
+  /* ----------------------------------------------------------------------- */
+  /* draw player himself                                                     */
+  /* ----------------------------------------------------------------------- */
+
+  graphic = getPlayerGraphic(player, move_dir);
+
+  /* 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;
+
+  frame = getGraphicAnimationFrame(graphic, player->Frame);
+
+  if (player->GfxPos)
+  {
+    if (move_dir == MV_LEFT || move_dir == MV_RIGHT)
+      sxx = player->GfxPos;
+    else
+      syy = player->GfxPos;
+  }
+
+  if (!setup.soft_scrolling && ScreenMovPos)
+    sxx = syy = 0;
+
+  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 (SHIELD_ON(player))
+  {
+    int graphic = (player->shield_deadly_time_left ? IMG_SHIELD_DEADLY_ACTIVE :
+                  IMG_SHIELD_NORMAL_ACTIVE);
+    int frame = getGraphicAnimationFrame(graphic, -1);
+
+    DrawGraphicShiftedThruMask(sx, sy, sxx, syy, graphic, frame, NO_CUTTING);
+  }
+#endif
+
+  /* ----------------------------------------------------------------------- */
+  /* draw things in front of player (active dynamite or dynabombs)           */
+  /* ----------------------------------------------------------------------- */
+
+  if (IS_ACTIVE_BOMB(element))
+  {
+    graphic = el2img(element);
+    frame = getGraphicAnimationFrame(graphic, GfxFrame[jx][jy]);
+
+    if (game.emulation == EMU_SUPAPLEX)
+      DrawGraphic(sx, sy, IMG_SP_DISK_RED, frame);
+    else
+      DrawGraphicThruMask(sx, sy, graphic, frame);
+  }
+
+  if (player_is_moving && last_element == EL_EXPLOSION)
+  {
+    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 (phase >= delay)
+      DrawGraphicThruMask(SCREENX(last_jx), SCREENY(last_jy), graphic, frame);
+  }
+
+  /* ----------------------------------------------------------------------- */
+  /* draw elements the player is just walking/passing through/under          */
+  /* ----------------------------------------------------------------------- */
+
+  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);
+  }
+
+  /* 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);
+  }
+
+  MarkTileDirty(sx, sy);
+}
+
+/* ------------------------------------------------------------------------- */
+
+void WaitForEventToContinue()
+{
+  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;
+
+#if 1
+  ClearEventQueue();
+#endif
+
+  while (still_wait)
+  {
+    if (PendingEvent())
+    {
+      Event event;
+
+      NextEvent(&event);
+
+      switch (event.type)
+      {
+       case EVENT_BUTTONPRESS:
+       case EVENT_KEYPRESS:
+         still_wait = FALSE;
+         break;
+
+       case EVENT_KEYRELEASE:
+         ClearPlayerAction();
+         break;
+
+       default:
+         HandleOtherEvents(&event);
+         break;
+      }
+    }
+    else if (AnyJoystickButton() == JOY_BUTTON_NEW_PRESSED)
+    {
+      still_wait = FALSE;
+    }
+
+    DoAnimation();
+
+    /* don't eat all CPU time */
+    Delay(10);
+  }
+}
+
+#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)
+{
+  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;
+
+#if 1
+  ShowEnvelopeDoor(text);
+#endif
+
+  for (text_ptr = text; *text_ptr; text_ptr++)
+  {
+    max_word_len = (*text_ptr != ' ' ? max_word_len + 1 : 0);
+
+    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
+
+      break;
+    }
+  }
+
+  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);
+  }
+
+  /* disable deactivated drawing when quick-loading level tape recording */
+  if (tape.playing && tape.deactivate_display)
+    TapeDeactivateDisplayOff(TRUE);
+
+  SetMouseCursor(CURSOR_DEFAULT);
+
+#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
+
+  old_door_state = GetDoorState();
+
+  /* simulate releasing mouse button over last gadget, if still pressed */
+  if (button_status)
+    HandleGadgets(-1, -1, 0);
+
+  UnmapAllGadgets();
+
+  if (old_door_state & DOOR_OPEN_1)
+  {
+    CloseDoor(DOOR_CLOSE_1);
+
+    /* 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);
+  }
+
+#if 1
+  SetDoorBackgroundImage(IMG_BACKGROUND_DOOR);
+#endif
+
+  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 (ty = 0; ty < MAX_REQUEST_LINES; ty++)
+  {
+    char text_line[max_request_line_len + 1];
+    int tx, tl, tc = 0;
+
+    if (!*text)
+      break;
+
+    for (tl = 0, tx = 0; tx < max_request_line_len; tl++, tx++)
+    {
+      tc = *(text + tx);
+      if (!tc || tc == ' ')
+       break;
+    }
+
+    if (!tl)
+    { 
+      text++; 
+      ty--; 
+      continue; 
+    }
+
+    strncpy(text_line, text, 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 += tl + (tc == ' ' ? 1 : 0);
+  }
+
+  game_status = last_game_status;      /* restore current game status */
+
+  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]);
+  }
+
+  /* copy request gadgets to door backbuffer */
+  BlitBitmap(drawto, bitmap_db_door,
+            DX, DY, DXSIZE, DYSIZE,
+            DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
+
+  OpenDoor(DOOR_OPEN_1);
+
+  if (!(req_state & REQUEST_WAIT_FOR_INPUT))
+  {
+    if (game_status == GAME_MODE_PLAYING)
+    {
+      SetPanelBackground();
+      SetDrawBackgroundMask(REDRAW_DOOR_1);
+    }
+    else
+    {
+      SetDrawBackgroundMask(REDRAW_FIELD);
+    }
+
+    return FALSE;
+  }
+
+  if (game_status != GAME_MODE_MAIN)
+    InitAnimation();
+
+  button_status = MB_RELEASED;
+
+  request_gadget_id = -1;
+
+  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 (!(req_state & REQ_STAY_OPEN))
+  {
+    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;
+}
+
+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 (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);
+}
+
+unsigned int CloseDoor(unsigned int door_state)
+{
+  unsigned int old_door_state = GetDoorState();
+
+  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()
+{
+  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 (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
+  },
+  {
+    Ytank_eB,                          FALSE,  TRUE,
+    EL_SPACESHIP,                      ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ytank_s,                           FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Ytank_sB,                          FALSE,  TRUE,
+    EL_SPACESHIP,                      ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Ytank_w,                           FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Ytank_wB,                          FALSE,  TRUE,
+    EL_SPACESHIP,                      ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Ytank_w_n,                         FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_TURNING_FROM_LEFT, MV_BIT_UP
+  },
+  {
+    Ytank_n_e,                         FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_TURNING_FROM_UP, MV_BIT_RIGHT
+  },
+  {
+    Ytank_e_s,                         FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_TURNING_FROM_RIGHT, MV_BIT_DOWN
+  },
+  {
+    Ytank_s_w,                         FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_TURNING_FROM_DOWN, MV_BIT_LEFT
+  },
+  {
+    Ytank_e_n,                         FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_TURNING_FROM_RIGHT, MV_BIT_UP
+  },
+  {
+    Ytank_s_e,                         FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_TURNING_FROM_DOWN, MV_BIT_RIGHT
+  },
+  {
+    Ytank_w_s,                         FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_TURNING_FROM_LEFT, MV_BIT_DOWN
+  },
+  {
+    Ytank_n_w,                         FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_TURNING_FROM_UP, MV_BIT_LEFT
+  },
+  {
+    Ytank_stone,                       FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_SMASHED_BY_ROCK, -1
+  },
+  {
+    Ytank_spring,                      FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_SMASHED_BY_SPRING, -1
+  },
+  {
+    Xandroid,                          TRUE,   FALSE,
+    EL_EMC_ANDROID,                    ACTION_ACTIVE, -1
+  },
+  {
+    Xandroid_1_n,                      FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_UP
+  },
+  {
+    Xandroid_2_n,                      FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_UP
+  },
+  {
+    Xandroid_1_e,                      FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_RIGHT
+  },
+  {
+    Xandroid_2_e,                      FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_RIGHT
+  },
+  {
+    Xandroid_1_w,                      FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_LEFT
+  },
+  {
+    Xandroid_2_w,                      FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_LEFT
+  },
+  {
+    Xandroid_1_s,                      FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_DOWN
+  },
+  {
+    Xandroid_2_s,                      FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_ACTIVE, MV_BIT_DOWN
+  },
+  {
+    Yandroid_n,                                FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Yandroid_nB,                       FALSE,  TRUE,
+    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Yandroid_ne,                       FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_GROWING, MV_BIT_UPRIGHT
+  },
+  {
+    Yandroid_neB,                      FALSE,  TRUE,
+    EL_EMC_ANDROID,                    ACTION_SHRINKING, MV_BIT_UPRIGHT
+  },
+  {
+    Yandroid_e,                                FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yandroid_eB,                       FALSE,  TRUE,
+    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yandroid_se,                       FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_GROWING, MV_BIT_DOWNRIGHT
+  },
+  {
+    Yandroid_seB,                      FALSE,  TRUE,
+    EL_EMC_ANDROID,                    ACTION_SHRINKING, MV_BIT_DOWNRIGHT
+  },
+  {
+    Yandroid_s,                                FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Yandroid_sB,                       FALSE,  TRUE,
+    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Yandroid_sw,                       FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_GROWING, MV_BIT_DOWNLEFT
+  },
+  {
+    Yandroid_swB,                      FALSE,  TRUE,
+    EL_EMC_ANDROID,                    ACTION_SHRINKING, MV_BIT_DOWNLEFT
+  },
+  {
+    Yandroid_w,                                FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Yandroid_wB,                       FALSE,  TRUE,
+    EL_EMC_ANDROID,                    ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Yandroid_nw,                       FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_GROWING, MV_BIT_UPLEFT
+  },
+  {
+    Yandroid_nwB,                      FALSE,  TRUE,
+    EL_EMC_ANDROID,                    ACTION_SHRINKING, MV_BIT_UPLEFT
+  },
+  {
+    Xspring,                           TRUE,   FALSE,
+    EL_SPRING,                         -1, -1
+  },
+  {
+    Xspring_pause,                     FALSE,  FALSE,
+    EL_SPRING,                         -1, -1
+  },
+  {
+    Xspring_e,                         FALSE,  FALSE,
+    EL_SPRING,                         -1, -1
+  },
+  {
+    Xspring_w,                         FALSE,  FALSE,
+    EL_SPRING,                         -1, -1
+  },
+  {
+    Xspring_fall,                      FALSE,  FALSE,
+    EL_SPRING,                         -1, -1
+  },
+  {
+    Yspring_s,                         FALSE,  FALSE,
+    EL_SPRING,                         ACTION_FALLING, -1
+  },
+  {
+    Yspring_sB,                                FALSE,  TRUE,
+    EL_SPRING,                         ACTION_FALLING, -1
+  },
+  {
+    Yspring_e,                         FALSE,  FALSE,
+    EL_SPRING,                         ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    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
+  },
+  {
+    Yeater_spring,                     FALSE,  FALSE,
+    EL_YAMYAM,                         ACTION_SMASHED_BY_SPRING, -1
+  },
+  {
+    Xalien,                            TRUE,   FALSE,
+    EL_ROBOT,                          -1, -1
+  },
+  {
+    Xalien_pause,                      FALSE,  FALSE,
+    EL_ROBOT,                          -1, -1
+  },
+  {
+    Yalien_n,                          FALSE,  FALSE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Yalien_nB,                         FALSE,  TRUE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Yalien_e,                          FALSE,  FALSE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yalien_eB,                         FALSE,  TRUE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yalien_s,                          FALSE,  FALSE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Yalien_sB,                         FALSE,  TRUE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Yalien_w,                          FALSE,  FALSE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Yalien_wB,                         FALSE,  TRUE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Yalien_stone,                      FALSE,  FALSE,
+    EL_ROBOT,                          ACTION_SMASHED_BY_ROCK, -1
+  },
+  {
+    Yalien_spring,                     FALSE,  FALSE,
+    EL_ROBOT,                          ACTION_SMASHED_BY_SPRING, -1
+  },
+  {
+    Xemerald,                          TRUE,   FALSE,
+    EL_EMERALD,                                -1, -1
+  },
+  {
+    Xemerald_pause,                    FALSE,  FALSE,
+    EL_EMERALD,                                -1, -1
+  },
+  {
+    Xemerald_fall,                     FALSE,  FALSE,
+    EL_EMERALD,                                -1, -1
+  },
+  {
+    Xemerald_shine,                    FALSE,  FALSE,
+    EL_EMERALD,                                ACTION_TWINKLING, -1
+  },
+  {
+    Yemerald_s,                                FALSE,  FALSE,
+    EL_EMERALD,                                ACTION_FALLING, -1
+  },
+  {
+    Yemerald_sB,                       FALSE,  TRUE,
+    EL_EMERALD,                                ACTION_FALLING, -1
+  },
+  {
+    Yemerald_e,                                FALSE,  FALSE,
+    EL_EMERALD,                                ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yemerald_eB,                       FALSE,  TRUE,
+    EL_EMERALD,                                ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yemerald_w,                                FALSE,  FALSE,
+    EL_EMERALD,                                ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Yemerald_wB,                       FALSE,  TRUE,
+    EL_EMERALD,                                ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Yemerald_eat,                      FALSE,  FALSE,
+    EL_EMERALD,                                ACTION_COLLECTING, -1
+  },
+  {
+    Yemerald_stone,                    FALSE,  FALSE,
+    EL_NUT,                            ACTION_BREAKING, -1
+  },
+  {
+    Xdiamond,                          TRUE,   FALSE,
+    EL_DIAMOND,                                -1, -1
+  },
+  {
+    Xdiamond_pause,                    FALSE,  FALSE,
+    EL_DIAMOND,                                -1, -1
+  },
+  {
+    Xdiamond_fall,                     FALSE,  FALSE,
+    EL_DIAMOND,                                -1, -1
+  },
+  {
+    Xdiamond_shine,                    FALSE,  FALSE,
+    EL_DIAMOND,                                ACTION_TWINKLING, -1
+  },
+  {
+    Ydiamond_s,                                FALSE,  FALSE,
+    EL_DIAMOND,                                ACTION_FALLING, -1
+  },
+  {
+    Ydiamond_sB,                       FALSE,  TRUE,
+    EL_DIAMOND,                                ACTION_FALLING, -1
+  },
+  {
+    Ydiamond_e,                                FALSE,  FALSE,
+    EL_DIAMOND,                                ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ydiamond_eB,                       FALSE,  TRUE,
+    EL_DIAMOND,                                ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ydiamond_w,                                FALSE,  FALSE,
+    EL_DIAMOND,                                ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Ydiamond_wB,                       FALSE,  TRUE,
+    EL_DIAMOND,                                ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Ydiamond_eat,                      FALSE,  FALSE,
+    EL_DIAMOND,                                ACTION_COLLECTING, -1
+  },
+  {
+    Ydiamond_stone,                    FALSE,  FALSE,
+    EL_DIAMOND,                                ACTION_SMASHED_BY_ROCK, -1
+  },
+  {
+    Xdrip_fall,                                TRUE,   FALSE,
+    EL_AMOEBA_DROP,                    -1, -1
+  },
+  {
+    Xdrip_stretch,                     FALSE,  FALSE,
+    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
+  },
+  {
+    Xdrip_stretchB,                    FALSE,  TRUE,
+    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
+  },
+  {
+    Xdrip_eat,                         FALSE,  FALSE,
+    EL_AMOEBA_DROP,                    ACTION_GROWING, -1
+  },
+  {
+    Ydrip_s1,                          FALSE,  FALSE,
+    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
+  },
+  {
+    Ydrip_s1B,                         FALSE,  TRUE,
+    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
+  },
+  {
+    Ydrip_s2,                          FALSE,  FALSE,
+    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
+  },
+  {
+    Ydrip_s2B,                         FALSE,  TRUE,
+    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
+  },
+  {
+    Xbomb,                             TRUE,   FALSE,
+    EL_BOMB,                           -1, -1
+  },
+  {
+    Xbomb_pause,                       FALSE,  FALSE,
+    EL_BOMB,                           -1, -1
+  },
+  {
+    Xbomb_fall,                                FALSE,  FALSE,
+    EL_BOMB,                           -1, -1
+  },
+  {
+    Ybomb_s,                           FALSE,  FALSE,
+    EL_BOMB,                           ACTION_FALLING, -1
+  },
+  {
+    Ybomb_sB,                          FALSE,  TRUE,
+    EL_BOMB,                           ACTION_FALLING, -1
+  },
+  {
+    Ybomb_e,                           FALSE,  FALSE,
+    EL_BOMB,                           ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ybomb_eB,                          FALSE,  TRUE,
+    EL_BOMB,                           ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ybomb_w,                           FALSE,  FALSE,
+    EL_BOMB,                           ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Ybomb_wB,                          FALSE,  TRUE,
+    EL_BOMB,                           ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Ybomb_eat,                         FALSE,  FALSE,
+    EL_BOMB,                           ACTION_ACTIVATING, -1
+  },
+  {
+    Xballoon,                          TRUE,   FALSE,
+    EL_BALLOON,                                -1, -1
+  },
+  {
+    Yballoon_n,                                FALSE,  FALSE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Yballoon_nB,                       FALSE,  TRUE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Yballoon_e,                                FALSE,  FALSE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yballoon_eB,                       FALSE,  TRUE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yballoon_s,                                FALSE,  FALSE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Yballoon_sB,                       FALSE,  TRUE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Yballoon_w,                                FALSE,  FALSE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Yballoon_wB,                       FALSE,  TRUE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Xgrass,                            TRUE,   FALSE,
+    EL_EMC_GRASS,                      -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
+  },
+  {
+    Ygrass_sB,                         FALSE,  FALSE,
+    EL_EMC_GRASS,                      ACTION_DIGGING, MV_BIT_DOWN
+  },
+  {
+    Ygrass_wB,                         FALSE,  FALSE,
+    EL_EMC_GRASS,                      ACTION_DIGGING, MV_BIT_LEFT
+  },
+  {
+    Xdirt,                             TRUE,   FALSE,
+    EL_SAND,                           -1, -1
+  },
+  {
+    Ydirt_nB,                          FALSE,  FALSE,
+    EL_SAND,                           ACTION_DIGGING, MV_BIT_UP
+  },
+  {
+    Ydirt_eB,                          FALSE,  FALSE,
+    EL_SAND,                           ACTION_DIGGING, MV_BIT_RIGHT
+  },
+  {
+    Ydirt_sB,                          FALSE,  FALSE,
+    EL_SAND,                           ACTION_DIGGING, MV_BIT_DOWN
+  },
+  {
+    Ydirt_wB,                          FALSE,  FALSE,
+    EL_SAND,                           ACTION_DIGGING, MV_BIT_LEFT
+  },
+  {
+    Xacid_ne,                          TRUE,   FALSE,
+    EL_ACID_POOL_TOPRIGHT,             -1, -1
+  },
+  {
+    Xacid_se,                          TRUE,   FALSE,
+    EL_ACID_POOL_BOTTOMRIGHT,          -1, -1
+  },
+  {
+    Xacid_s,                           TRUE,   FALSE,
+    EL_ACID_POOL_BOTTOM,               -1, -1
+  },
+  {
+    Xacid_sw,                          TRUE,   FALSE,
+    EL_ACID_POOL_BOTTOMLEFT,           -1, -1
+  },
+  {
+    Xacid_nw,                          TRUE,   FALSE,
+    EL_ACID_POOL_TOPLEFT,              -1, -1
+  },
+  {
+    Xacid_1,                           TRUE,   FALSE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xacid_2,                           FALSE,  FALSE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xacid_3,                           FALSE,  FALSE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xacid_4,                           FALSE,  FALSE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xacid_5,                           FALSE,  FALSE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xacid_6,                           FALSE,  FALSE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xacid_7,                           FALSE,  FALSE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xacid_8,                           FALSE,  FALSE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xball_1,                           TRUE,   FALSE,
+    EL_EMC_MAGIC_BALL,                 -1, -1
+  },
+  {
+    Xball_1B,                          FALSE,  FALSE,
+    EL_EMC_MAGIC_BALL,                 ACTION_ACTIVE, -1
+  },
+  {
+    Xball_2,                           FALSE,  FALSE,
+    EL_EMC_MAGIC_BALL,                 ACTION_ACTIVE, -1
+  },
+  {
+    Xball_2B,                          FALSE,  FALSE,
+    EL_EMC_MAGIC_BALL,                 ACTION_ACTIVE, -1
+  },
+  {
+    Yball_eat,                         FALSE,  FALSE,
+    EL_EMC_MAGIC_BALL,                 ACTION_DROPPING, -1
+  },
+  {
+    Ykey_1_eat,                                FALSE,  FALSE,
+    EL_EM_KEY_1,                       ACTION_COLLECTING, -1
+  },
+  {
+    Ykey_2_eat,                                FALSE,  FALSE,
+    EL_EM_KEY_2,                       ACTION_COLLECTING, -1
+  },
+  {
+    Ykey_3_eat,                                FALSE,  FALSE,
+    EL_EM_KEY_3,                       ACTION_COLLECTING, -1
+  },
+  {
+    Ykey_4_eat,                                FALSE,  FALSE,
+    EL_EM_KEY_4,                       ACTION_COLLECTING, -1
+  },
+  {
+    Ykey_5_eat,                                FALSE,  FALSE,
+    EL_EMC_KEY_5,                      ACTION_COLLECTING, -1
+  },
+  {
+    Ykey_6_eat,                                FALSE,  FALSE,
+    EL_EMC_KEY_6,                      ACTION_COLLECTING, -1
+  },
+  {
+    Ykey_7_eat,                                FALSE,  FALSE,
+    EL_EMC_KEY_7,                      ACTION_COLLECTING, -1
+  },
+  {
+    Ykey_8_eat,                                FALSE,  FALSE,
+    EL_EMC_KEY_8,                      ACTION_COLLECTING, -1
+  },
+  {
+    Ylenses_eat,                       FALSE,  FALSE,
+    EL_EMC_LENSES,                     ACTION_COLLECTING, -1
+  },
+  {
+    Ymagnify_eat,                      FALSE,  FALSE,
+    EL_EMC_MAGNIFIER,                  ACTION_COLLECTING, -1
+  },
+  {
+    Ygrass_eat,                                FALSE,  FALSE,
+    EL_EMC_GRASS,                      ACTION_SNAPPING, -1
+  },
+  {
+    Ydirt_eat,                         FALSE,  FALSE,
+    EL_SAND,                           ACTION_SNAPPING, -1
+  },
+  {
+    Xgrow_ns,                          TRUE,   FALSE,
+    EL_EXPANDABLE_WALL_VERTICAL,       -1, -1
+  },
+  {
+    Ygrow_ns_eat,                      FALSE,  FALSE,
+    EL_EXPANDABLE_WALL_VERTICAL,       ACTION_GROWING, -1
+  },
+  {
+    Xgrow_ew,                          TRUE,   FALSE,
+    EL_EXPANDABLE_WALL_HORIZONTAL,     -1, -1
+  },
+  {
+    Ygrow_ew_eat,                      FALSE,  FALSE,
+    EL_EXPANDABLE_WALL_HORIZONTAL,     ACTION_GROWING, -1
+  },
+  {
+    Xwonderwall,                       TRUE,   FALSE,
+    EL_MAGIC_WALL,                     -1, -1
+  },
+  {
+    XwonderwallB,                      FALSE,  FALSE,
+    EL_MAGIC_WALL,                     ACTION_ACTIVE, -1
+  },
+  {
+    Xamoeba_1,                         TRUE,   FALSE,
+    EL_AMOEBA_DRY,                     ACTION_OTHER, -1
+  },
+  {
+    Xamoeba_2,                         FALSE,  FALSE,
+    EL_AMOEBA_DRY,                     ACTION_OTHER, -1
+  },
+  {
+    Xamoeba_3,                         FALSE,  FALSE,
+    EL_AMOEBA_DRY,                     ACTION_OTHER, -1
+  },
+  {
+    Xamoeba_4,                         FALSE,  FALSE,
+    EL_AMOEBA_DRY,                     ACTION_OTHER, -1
+  },
+  {
+    Xamoeba_5,                         TRUE,   FALSE,
+    EL_AMOEBA_WET,                     ACTION_OTHER, -1
+  },
+  {
+    Xamoeba_6,                         FALSE,  FALSE,
+    EL_AMOEBA_WET,                     ACTION_OTHER, -1
+  },
+  {
+    Xamoeba_7,                         FALSE,  FALSE,
+    EL_AMOEBA_WET,                     ACTION_OTHER, -1
+  },
+  {
+    Xamoeba_8,                         FALSE,  FALSE,
+    EL_AMOEBA_WET,                     ACTION_OTHER, -1
+  },
+  {
+    Xdoor_1,                           TRUE,   FALSE,
+    EL_EM_GATE_1,                      -1, -1
+  },
+  {
+    Xdoor_2,                           TRUE,   FALSE,
+    EL_EM_GATE_2,                      -1, -1
+  },
+  {
+    Xdoor_3,                           TRUE,   FALSE,
+    EL_EM_GATE_3,                      -1, -1
+  },
+  {
+    Xdoor_4,                           TRUE,   FALSE,
+    EL_EM_GATE_4,                      -1, -1
+  },
+  {
+    Xdoor_5,                           TRUE,   FALSE,
+    EL_EMC_GATE_5,                     -1, -1
+  },
+  {
+    Xdoor_6,                           TRUE,   FALSE,
+    EL_EMC_GATE_6,                     -1, -1
+  },
+  {
+    Xdoor_7,                           TRUE,   FALSE,
+    EL_EMC_GATE_7,                     -1, -1
+  },
+  {
+    Xdoor_8,                           TRUE,   FALSE,
+    EL_EMC_GATE_8,                     -1, -1
+  },
+  {
+    Xkey_1,                            TRUE,   FALSE,
+    EL_EM_KEY_1,                       -1, -1
+  },
+  {
+    Xkey_2,                            TRUE,   FALSE,
+    EL_EM_KEY_2,                       -1, -1
+  },
+  {
+    Xkey_3,                            TRUE,   FALSE,
+    EL_EM_KEY_3,                       -1, -1
+  },
+  {
+    Xkey_4,                            TRUE,   FALSE,
+    EL_EM_KEY_4,                       -1, -1
+  },
+  {
+    Xkey_5,                            TRUE,   FALSE,
+    EL_EMC_KEY_5,                      -1, -1
+  },
+  {
+    Xkey_6,                            TRUE,   FALSE,
+    EL_EMC_KEY_6,                      -1, -1
+  },
+  {
+    Xkey_7,                            TRUE,   FALSE,
+    EL_EMC_KEY_7,                      -1, -1
+  },
+  {
+    Xkey_8,                            TRUE,   FALSE,
+    EL_EMC_KEY_8,                      -1, -1
+  },
+  {
+    Xwind_n,                           TRUE,   FALSE,
+    EL_BALLOON_SWITCH_UP,              -1, -1
+  },
+  {
+    Xwind_e,                           TRUE,   FALSE,
+    EL_BALLOON_SWITCH_RIGHT,           -1, -1
+  },
+  {
+    Xwind_s,                           TRUE,   FALSE,
+    EL_BALLOON_SWITCH_DOWN,            -1, -1
+  },
+  {
+    Xwind_w,                           TRUE,   FALSE,
+    EL_BALLOON_SWITCH_LEFT,            -1, -1
+  },
+  {
+    Xwind_nesw,                                TRUE,   FALSE,
+    EL_BALLOON_SWITCH_ANY,             -1, -1
+  },
+  {
+    Xwind_stop,                                TRUE,   FALSE,
+    EL_BALLOON_SWITCH_NONE,            -1, -1
+  },
+  {
+    Xexit,                             TRUE,   FALSE,
+    EL_EM_EXIT_CLOSED,                 -1, -1
+  },
+  {
+    Xexit_1,                           TRUE,   FALSE,
+    EL_EM_EXIT_OPEN,                   -1, -1
+  },
+  {
+    Xexit_2,                           FALSE,  FALSE,
+    EL_EM_EXIT_OPEN,                   -1, -1
+  },
+  {
+    Xexit_3,                           FALSE,  FALSE,
+    EL_EM_EXIT_OPEN,                   -1, -1
+  },
+  {
+    Xdynamite,                         TRUE,   FALSE,
+    EL_EM_DYNAMITE,                    -1, -1
+  },
+  {
+    Ydynamite_eat,                     FALSE,  FALSE,
+    EL_EM_DYNAMITE,                    ACTION_COLLECTING, -1
+  },
+  {
+    Xdynamite_1,                       TRUE,   FALSE,
+    EL_EM_DYNAMITE_ACTIVE,             -1, -1
+  },
+  {
+    Xdynamite_2,                       FALSE,  FALSE,
+    EL_EM_DYNAMITE_ACTIVE,             -1, -1
+  },
+  {
+    Xdynamite_3,                       FALSE,  FALSE,
+    EL_EM_DYNAMITE_ACTIVE,             -1, -1
+  },
+  {
+    Xdynamite_4,                       FALSE,  FALSE,
+    EL_EM_DYNAMITE_ACTIVE,             -1, -1
+  },
+  {
+    Xbumper,                           TRUE,   FALSE,
+    EL_EMC_SPRING_BUMPER,              -1, -1
+  },
+  {
+    XbumperB,                          FALSE,  FALSE,
+    EL_EMC_SPRING_BUMPER,              ACTION_ACTIVE, -1
+  },
+  {
+    Xwheel,                            TRUE,   FALSE,
+    EL_ROBOT_WHEEL,                    -1, -1
+  },
+  {
+    XwheelB,                           FALSE,  FALSE,
+    EL_ROBOT_WHEEL,                    ACTION_ACTIVE, -1
+  },
+  {
+    Xswitch,                           TRUE,   FALSE,
+    EL_EMC_MAGIC_BALL_SWITCH,          -1, -1
+  },
+  {
+    XswitchB,                          FALSE,  FALSE,
+    EL_EMC_MAGIC_BALL_SWITCH,          ACTION_ACTIVE, -1
+  },
+  {
+    Xsand,                             TRUE,   FALSE,
+    EL_QUICKSAND_EMPTY,                        -1, -1
+  },
+  {
+    Xsand_stone,                       TRUE,   FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+  {
+    Xsand_stonein_1,                   FALSE,  TRUE,
+    EL_ROCK,                           ACTION_FILLING, -1
+  },
+  {
+    Xsand_stonein_2,                   FALSE,  TRUE,
+    EL_ROCK,                           ACTION_FILLING, -1
+  },
+  {
+    Xsand_stonein_3,                   FALSE,  TRUE,
+    EL_ROCK,                           ACTION_FILLING, -1
+  },
+  {
+    Xsand_stonein_4,                   FALSE,  TRUE,
+    EL_ROCK,                           ACTION_FILLING, -1
+  },
+#if 1
+  {
+    Xsand_stonesand_1,                 FALSE,  FALSE,
+    EL_QUICKSAND_EMPTYING,             -1, -1
+  },
+  {
+    Xsand_stonesand_2,                 FALSE,  FALSE,
+    EL_QUICKSAND_EMPTYING,             -1, -1
+  },
+  {
+    Xsand_stonesand_3,                 FALSE,  FALSE,
+    EL_QUICKSAND_EMPTYING,             -1, -1
+  },
+  {
+    Xsand_stonesand_4,                 FALSE,  FALSE,
+    EL_QUICKSAND_EMPTYING,             -1, -1
+  },
+  {
+    Xsand_stonesand_quickout_1,                FALSE,  FALSE,
+    EL_QUICKSAND_EMPTYING,             -1, -1
+  },
+  {
+    Xsand_stonesand_quickout_2,                FALSE,  FALSE,
+    EL_QUICKSAND_EMPTYING,             -1, -1
+  },
+#else
+  {
+    Xsand_stonesand_1,                 FALSE,  FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+  {
+    Xsand_stonesand_2,                 FALSE,  FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+  {
+    Xsand_stonesand_3,                 FALSE,  FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+  {
+    Xsand_stonesand_4,                 FALSE,  FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+#endif
+  {
+    Xsand_stoneout_1,                  FALSE,  FALSE,
+    EL_ROCK,                           ACTION_EMPTYING, -1
+  },
+  {
+    Xsand_stoneout_2,                  FALSE,  FALSE,
+    EL_ROCK,                           ACTION_EMPTYING, -1
+  },
+#if 1
+  {
+    Xsand_sandstone_1,                 FALSE,  FALSE,
+    EL_QUICKSAND_FILLING,              -1, -1
+  },
+  {
+    Xsand_sandstone_2,                 FALSE,  FALSE,
+    EL_QUICKSAND_FILLING,              -1, -1
+  },
+  {
+    Xsand_sandstone_3,                 FALSE,  FALSE,
+    EL_QUICKSAND_FILLING,              -1, -1
+  },
+  {
+    Xsand_sandstone_4,                 FALSE,  FALSE,
+    EL_QUICKSAND_FILLING,              -1, -1
+  },
+#else
+  {
+    Xsand_sandstone_1,                 FALSE,  FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+  {
+    Xsand_sandstone_2,                 FALSE,  FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+  {
+    Xsand_sandstone_3,                 FALSE,  FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+  {
+    Xsand_sandstone_4,                 FALSE,  FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+#endif
+  {
+    Xplant,                            TRUE,   FALSE,
+    EL_EMC_PLANT,                      -1, -1
+  },
+  {
+    Yplant,                            FALSE,  FALSE,
+    EL_EMC_PLANT,                      -1, -1
+  },
+  {
+    Xlenses,                           TRUE,   FALSE,
+    EL_EMC_LENSES,                     -1, -1
+  },
+  {
+    Xmagnify,                          TRUE,   FALSE,
+    EL_EMC_MAGNIFIER,                  -1, -1
+  },
+  {
+    Xdripper,                          TRUE,   FALSE,
+    EL_EMC_DRIPPER,                    -1, -1
+  },
+  {
+    XdripperB,                         FALSE,  FALSE,
+    EL_EMC_DRIPPER,                    ACTION_ACTIVE, -1
+  },
+  {
+    Xfake_blank,                       TRUE,   FALSE,
+    EL_INVISIBLE_WALL,                 -1, -1
+  },
+  {
+    Xfake_blankB,                      FALSE,  FALSE,
+    EL_INVISIBLE_WALL,                 ACTION_ACTIVE, -1
+  },
+  {
+    Xfake_grass,                       TRUE,   FALSE,
+    EL_EMC_FAKE_GRASS,                 -1, -1
+  },
+  {
+    Xfake_grassB,                      FALSE,  FALSE,
+    EL_EMC_FAKE_GRASS,                 ACTION_ACTIVE, -1
+  },
+  {
+    Xfake_door_1,                      TRUE,   FALSE,
+    EL_EM_GATE_1_GRAY,                 -1, -1
+  },
+  {
+    Xfake_door_2,                      TRUE,   FALSE,
+    EL_EM_GATE_2_GRAY,                 -1, -1
+  },
+  {
+    Xfake_door_3,                      TRUE,   FALSE,
+    EL_EM_GATE_3_GRAY,                 -1, -1
+  },
+  {
+    Xfake_door_4,                      TRUE,   FALSE,
+    EL_EM_GATE_4_GRAY,                 -1, -1
+  },
+  {
+    Xfake_door_5,                      TRUE,   FALSE,
+    EL_EMC_GATE_5_GRAY,                        -1, -1
+  },
+  {
+    Xfake_door_6,                      TRUE,   FALSE,
+    EL_EMC_GATE_6_GRAY,                        -1, -1
+  },
+  {
+    Xfake_door_7,                      TRUE,   FALSE,
+    EL_EMC_GATE_7_GRAY,                        -1, -1
+  },
+  {
+    Xfake_door_8,                      TRUE,   FALSE,
+    EL_EMC_GATE_8_GRAY,                        -1, -1
+  },
+  {
+    Xfake_acid_1,                      TRUE,   FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
+  },
+  {
+    Xfake_acid_2,                      FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
+  },
+  {
+    Xfake_acid_3,                      FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
+  },
+  {
+    Xfake_acid_4,                      FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
+  },
+  {
+    Xfake_acid_5,                      FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
+  },
+  {
+    Xfake_acid_6,                      FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
+  },
+  {
+    Xfake_acid_7,                      FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
+  },
+  {
+    Xfake_acid_8,                      FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
+  },
+  {
+    Xsteel_1,                          TRUE,   FALSE,
+    EL_STEELWALL,                      -1, -1
+  },
+  {
+    Xsteel_2,                          TRUE,   FALSE,
+    EL_EMC_STEELWALL_2,                        -1, -1
+  },
+  {
+    Xsteel_3,                          TRUE,   FALSE,
+    EL_EMC_STEELWALL_3,                        -1, -1
+  },
+  {
+    Xsteel_4,                          TRUE,   FALSE,
+    EL_EMC_STEELWALL_4,                        -1, -1
+  },
+  {
+    Xwall_1,                           TRUE,   FALSE,
+    EL_WALL,                           -1, -1
+  },
+  {
+    Xwall_2,                           TRUE,   FALSE,
+    EL_EMC_WALL_14,                    -1, -1
+  },
+  {
+    Xwall_3,                           TRUE,   FALSE,
+    EL_EMC_WALL_15,                    -1, -1
+  },
+  {
+    Xwall_4,                           TRUE,   FALSE,
+    EL_EMC_WALL_16,                    -1, -1
+  },
+  {
+    Xround_wall_1,                     TRUE,   FALSE,
+    EL_WALL_SLIPPERY,                  -1, -1
+  },
+  {
+    Xround_wall_2,                     TRUE,   FALSE,
+    EL_EMC_WALL_SLIPPERY_2,            -1, -1
+  },
+  {
+    Xround_wall_3,                     TRUE,   FALSE,
+    EL_EMC_WALL_SLIPPERY_3,            -1, -1
+  },
+  {
+    Xround_wall_4,                     TRUE,   FALSE,
+    EL_EMC_WALL_SLIPPERY_4,            -1, -1
+  },
+  {
+    Xdecor_1,                          TRUE,   FALSE,
+    EL_EMC_WALL_8,                     -1, -1
+  },
+  {
+    Xdecor_2,                          TRUE,   FALSE,
+    EL_EMC_WALL_6,                     -1, -1
+  },
+  {
+    Xdecor_3,                          TRUE,   FALSE,
+    EL_EMC_WALL_4,                     -1, -1
+  },
+  {
+    Xdecor_4,                          TRUE,   FALSE,
+    EL_EMC_WALL_7,                     -1, -1
+  },
+  {
+    Xdecor_5,                          TRUE,   FALSE,
+    EL_EMC_WALL_5,                     -1, -1
+  },
+  {
+    Xdecor_6,                          TRUE,   FALSE,
+    EL_EMC_WALL_9,                     -1, -1
+  },
+  {
+    Xdecor_7,                          TRUE,   FALSE,
+    EL_EMC_WALL_10,                    -1, -1
+  },
+  {
+    Xdecor_8,                          TRUE,   FALSE,
+    EL_EMC_WALL_1,                     -1, -1
+  },
+  {
+    Xdecor_9,                          TRUE,   FALSE,
+    EL_EMC_WALL_2,                     -1, -1
+  },
+  {
+    Xdecor_10,                         TRUE,   FALSE,
+    EL_EMC_WALL_3,                     -1, -1
+  },
+  {
+    Xdecor_11,                         TRUE,   FALSE,
+    EL_EMC_WALL_11,                    -1, -1
+  },
+  {
+    Xdecor_12,                         TRUE,   FALSE,
+    EL_EMC_WALL_12,                    -1, -1
+  },
+  {
+    Xalpha_0,                          TRUE,   FALSE,
+    EL_CHAR('0'),                      -1, -1
+  },
+  {
+    Xalpha_1,                          TRUE,   FALSE,
+    EL_CHAR('1'),                      -1, -1
+  },
+  {
+    Xalpha_2,                          TRUE,   FALSE,
+    EL_CHAR('2'),                      -1, -1
+  },
+  {
+    Xalpha_3,                          TRUE,   FALSE,
+    EL_CHAR('3'),                      -1, -1
+  },
+  {
+    Xalpha_4,                          TRUE,   FALSE,
+    EL_CHAR('4'),                      -1, -1
+  },
+  {
+    Xalpha_5,                          TRUE,   FALSE,
+    EL_CHAR('5'),                      -1, -1
+  },
+  {
+    Xalpha_6,                          TRUE,   FALSE,
+    EL_CHAR('6'),                      -1, -1
+  },
+  {
+    Xalpha_7,                          TRUE,   FALSE,
+    EL_CHAR('7'),                      -1, -1
+  },
+  {
+    Xalpha_8,                          TRUE,   FALSE,
+    EL_CHAR('8'),                      -1, -1
+  },
+  {
+    Xalpha_9,                          TRUE,   FALSE,
+    EL_CHAR('9'),                      -1, -1
+  },
+  {
+    Xalpha_excla,                      TRUE,   FALSE,
+    EL_CHAR('!'),                      -1, -1
+  },
+  {
+    Xalpha_quote,                      TRUE,   FALSE,
+    EL_CHAR('"'),                      -1, -1
+  },
+  {
+    Xalpha_comma,                      TRUE,   FALSE,
+    EL_CHAR(','),                      -1, -1
+  },
+  {
+    Xalpha_minus,                      TRUE,   FALSE,
+    EL_CHAR('-'),                      -1, -1
+  },
+  {
+    Xalpha_perio,                      TRUE,   FALSE,
+    EL_CHAR('.'),                      -1, -1
+  },
+  {
+    Xalpha_colon,                      TRUE,   FALSE,
+    EL_CHAR(':'),                      -1, -1
+  },
+  {
+    Xalpha_quest,                      TRUE,   FALSE,
+    EL_CHAR('?'),                      -1, -1
+  },
+  {
+    Xalpha_a,                          TRUE,   FALSE,
+    EL_CHAR('A'),                      -1, -1
+  },
+  {
+    Xalpha_b,                          TRUE,   FALSE,
+    EL_CHAR('B'),                      -1, -1
+  },
+  {
+    Xalpha_c,                          TRUE,   FALSE,
+    EL_CHAR('C'),                      -1, -1
+  },
+  {
+    Xalpha_d,                          TRUE,   FALSE,
+    EL_CHAR('D'),                      -1, -1
+  },
+  {
+    Xalpha_e,                          TRUE,   FALSE,
+    EL_CHAR('E'),                      -1, -1
+  },
+  {
+    Xalpha_f,                          TRUE,   FALSE,
+    EL_CHAR('F'),                      -1, -1
+  },
+  {
+    Xalpha_g,                          TRUE,   FALSE,
+    EL_CHAR('G'),                      -1, -1
+  },
+  {
+    Xalpha_h,                          TRUE,   FALSE,
+    EL_CHAR('H'),                      -1, -1
+  },
+  {
+    Xalpha_i,                          TRUE,   FALSE,
+    EL_CHAR('I'),                      -1, -1
+  },
+  {
+    Xalpha_j,                          TRUE,   FALSE,
+    EL_CHAR('J'),                      -1, -1
+  },
+  {
+    Xalpha_k,                          TRUE,   FALSE,
+    EL_CHAR('K'),                      -1, -1
+  },
+  {
+    Xalpha_l,                          TRUE,   FALSE,
+    EL_CHAR('L'),                      -1, -1
+  },
+  {
+    Xalpha_m,                          TRUE,   FALSE,
+    EL_CHAR('M'),                      -1, -1
+  },
+  {
+    Xalpha_n,                          TRUE,   FALSE,
+    EL_CHAR('N'),                      -1, -1
+  },
+  {
+    Xalpha_o,                          TRUE,   FALSE,
+    EL_CHAR('O'),                      -1, -1
+  },
+  {
+    Xalpha_p,                          TRUE,   FALSE,
+    EL_CHAR('P'),                      -1, -1
+  },
+  {
+    Xalpha_q,                          TRUE,   FALSE,
+    EL_CHAR('Q'),                      -1, -1
+  },
+  {
+    Xalpha_r,                          TRUE,   FALSE,
+    EL_CHAR('R'),                      -1, -1
+  },
+  {
+    Xalpha_s,                          TRUE,   FALSE,
+    EL_CHAR('S'),                      -1, -1
+  },
+  {
+    Xalpha_t,                          TRUE,   FALSE,
+    EL_CHAR('T'),                      -1, -1
+  },
+  {
+    Xalpha_u,                          TRUE,   FALSE,
+    EL_CHAR('U'),                      -1, -1
+  },
+  {
+    Xalpha_v,                          TRUE,   FALSE,
+    EL_CHAR('V'),                      -1, -1
+  },
+  {
+    Xalpha_w,                          TRUE,   FALSE,
+    EL_CHAR('W'),                      -1, -1
+  },
+  {
+    Xalpha_x,                          TRUE,   FALSE,
+    EL_CHAR('X'),                      -1, -1
+  },
+  {
+    Xalpha_y,                          TRUE,   FALSE,
+    EL_CHAR('Y'),                      -1, -1
+  },
+  {
+    Xalpha_z,                          TRUE,   FALSE,
+    EL_CHAR('Z'),                      -1, -1
+  },
+  {
+    Xalpha_arrow_e,                    TRUE,   FALSE,
+    EL_CHAR('>'),                      -1, -1
+  },
+  {
+    Xalpha_arrow_w,                    TRUE,   FALSE,
+    EL_CHAR('<'),                      -1, -1
+  },
+  {
+    Xalpha_copyr,                      TRUE,   FALSE,
+    EL_CHAR('©'),                      -1, -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
+  },
+  {
+    Xboom_1,                           FALSE,  FALSE,
+    EL_DEFAULT,                                ACTION_EXPLODING, -1
+  },
+  {
+    Xboom_2,                           FALSE,  FALSE,
+    EL_DEFAULT,                                ACTION_EXPLODING, -1
+  },
+  {
+    Znormal,                           FALSE,  FALSE,
+    EL_EMPTY,                          -1, -1
+  },
+  {
+    Zdynamite,                         FALSE,  FALSE,
+    EL_EMPTY,                          -1, -1
+  },
+  {
+    Zplayer,                           FALSE,  FALSE,
+    EL_EMPTY,                          -1, -1
+  },
+  {
+    ZBORDER,                           FALSE,  FALSE,
+    EL_EMPTY,                          -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,
+  },
+  {
+    SPR_walk + 1,                      0,
+    EL_PLAYER_1,                       ACTION_MOVING, MV_BIT_RIGHT,
+  },
+  {
+    SPR_walk + 2,                      0,
+    EL_PLAYER_1,                       ACTION_MOVING, MV_BIT_DOWN,
+  },
+  {
+    SPR_walk + 3,                      0,
+    EL_PLAYER_1,                       ACTION_MOVING, MV_BIT_LEFT,
+  },
+  {
+    SPR_push + 0,                      0,
+    EL_PLAYER_1,                       ACTION_PUSHING, MV_BIT_UP,
+  },
+  {
+    SPR_push + 1,                      0,
+    EL_PLAYER_1,                       ACTION_PUSHING, MV_BIT_RIGHT,
+  },
+  {
+    SPR_push + 2,                      0,
+    EL_PLAYER_1,                       ACTION_PUSHING, MV_BIT_DOWN,
+  },
+  {
+    SPR_push + 3,                      0,
+    EL_PLAYER_1,                       ACTION_PUSHING, MV_BIT_LEFT,
+  },
+  {
+    SPR_spray + 0,                     0,
+    EL_PLAYER_1,                       ACTION_SNAPPING, MV_BIT_UP,
+  },
+  {
+    SPR_spray + 1,                     0,
+    EL_PLAYER_1,                       ACTION_SNAPPING, MV_BIT_RIGHT,
+  },
+  {
+    SPR_spray + 2,                     0,
+    EL_PLAYER_1,                       ACTION_SNAPPING, MV_BIT_DOWN,
+  },
+  {
+    SPR_spray + 3,                     0,
+    EL_PLAYER_1,                       ACTION_SNAPPING, MV_BIT_LEFT,
+  },
+  {
+    SPR_walk + 0,                      1,
+    EL_PLAYER_2,                       ACTION_MOVING, MV_BIT_UP,
+  },
+  {
+    SPR_walk + 1,                      1,
+    EL_PLAYER_2,                       ACTION_MOVING, MV_BIT_RIGHT,
+  },
+  {
+    SPR_walk + 2,                      1,
+    EL_PLAYER_2,                       ACTION_MOVING, MV_BIT_DOWN,
+  },
+  {
+    SPR_walk + 3,                      1,
+    EL_PLAYER_2,                       ACTION_MOVING, MV_BIT_LEFT,
+  },
+  {
+    SPR_push + 0,                      1,
+    EL_PLAYER_2,                       ACTION_PUSHING, MV_BIT_UP,
+  },
+  {
+    SPR_push + 1,                      1,
+    EL_PLAYER_2,                       ACTION_PUSHING, MV_BIT_RIGHT,
+  },
+  {
+    SPR_push + 2,                      1,
+    EL_PLAYER_2,                       ACTION_PUSHING, MV_BIT_DOWN,
+  },
+  {
+    SPR_push + 3,                      1,
+    EL_PLAYER_2,                       ACTION_PUSHING, MV_BIT_LEFT,
+  },
+  {
+    SPR_spray + 0,                     1,
+    EL_PLAYER_2,                       ACTION_SNAPPING, MV_BIT_UP,
+  },
+  {
+    SPR_spray + 1,                     1,
+    EL_PLAYER_2,                       ACTION_SNAPPING, MV_BIT_RIGHT,
+  },
+  {
+    SPR_spray + 2,                     1,
+    EL_PLAYER_2,                       ACTION_SNAPPING, MV_BIT_DOWN,
+  },
+  {
+    SPR_spray + 3,                     1,
+    EL_PLAYER_2,                       ACTION_SNAPPING, MV_BIT_LEFT,
+  },
+  {
+    SPR_still,                         0,
+    EL_PLAYER_1,                       ACTION_DEFAULT, -1,
+  },
+  {
+    SPR_still,                         1,
+    EL_PLAYER_2,                       ACTION_DEFAULT, -1,
+  },
+  {
+    SPR_walk + 0,                      2,
+    EL_PLAYER_3,                       ACTION_MOVING, MV_BIT_UP,
+  },
+  {
+    SPR_walk + 1,                      2,
+    EL_PLAYER_3,                       ACTION_MOVING, MV_BIT_RIGHT,
+  },
+  {
+    SPR_walk + 2,                      2,
+    EL_PLAYER_3,                       ACTION_MOVING, MV_BIT_DOWN,
+  },
+  {
+    SPR_walk + 3,                      2,
+    EL_PLAYER_3,                       ACTION_MOVING, MV_BIT_LEFT,
+  },
+  {
+    SPR_push + 0,                      2,
+    EL_PLAYER_3,                       ACTION_PUSHING, MV_BIT_UP,
+  },
+  {
+    SPR_push + 1,                      2,
+    EL_PLAYER_3,                       ACTION_PUSHING, MV_BIT_RIGHT,
+  },
+  {
+    SPR_push + 2,                      2,
+    EL_PLAYER_3,                       ACTION_PUSHING, MV_BIT_DOWN,
+  },
+  {
+    SPR_push + 3,                      2,
+    EL_PLAYER_3,                       ACTION_PUSHING, MV_BIT_LEFT,
+  },
+  {
+    SPR_spray + 0,                     2,
+    EL_PLAYER_3,                       ACTION_SNAPPING, MV_BIT_UP,
+  },
+  {
+    SPR_spray + 1,                     2,
+    EL_PLAYER_3,                       ACTION_SNAPPING, MV_BIT_RIGHT,
+  },
+  {
+    SPR_spray + 2,                     2,
+    EL_PLAYER_3,                       ACTION_SNAPPING, MV_BIT_DOWN,
+  },
+  {
+    SPR_spray + 3,                     2,
+    EL_PLAYER_3,                       ACTION_SNAPPING, MV_BIT_LEFT,
+  },
+  {
+    SPR_walk + 0,                      3,
+    EL_PLAYER_4,                       ACTION_MOVING, MV_BIT_UP,
+  },
+  {
+    SPR_walk + 1,                      3,
+    EL_PLAYER_4,                       ACTION_MOVING, MV_BIT_RIGHT,
+  },
+  {
+    SPR_walk + 2,                      3,
+    EL_PLAYER_4,                       ACTION_MOVING, MV_BIT_DOWN,
+  },
+  {
+    SPR_walk + 3,                      3,
+    EL_PLAYER_4,                       ACTION_MOVING, MV_BIT_LEFT,
+  },
+  {
+    SPR_push + 0,                      3,
+    EL_PLAYER_4,                       ACTION_PUSHING, MV_BIT_UP,
+  },
+  {
+    SPR_push + 1,                      3,
+    EL_PLAYER_4,                       ACTION_PUSHING, MV_BIT_RIGHT,
+  },
+  {
+    SPR_push + 2,                      3,
+    EL_PLAYER_4,                       ACTION_PUSHING, MV_BIT_DOWN,
+  },
+  {
+    SPR_push + 3,                      3,
+    EL_PLAYER_4,                       ACTION_PUSHING, MV_BIT_LEFT,
+  },
+  {
+    SPR_spray + 0,                     3,
+    EL_PLAYER_4,                       ACTION_SNAPPING, MV_BIT_UP,
+  },
+  {
+    SPR_spray + 1,                     3,
+    EL_PLAYER_4,                       ACTION_SNAPPING, MV_BIT_RIGHT,
+  },
+  {
+    SPR_spray + 2,                     3,
+    EL_PLAYER_4,                       ACTION_SNAPPING, MV_BIT_DOWN,
+  },
+  {
+    SPR_spray + 3,                     3,
+    EL_PLAYER_4,                       ACTION_SNAPPING, MV_BIT_LEFT,
+  },
+  {
+    SPR_still,                         2,
+    EL_PLAYER_3,                       ACTION_DEFAULT, -1,
+  },
+  {
+    SPR_still,                         3,
+    EL_PLAYER_4,                       ACTION_DEFAULT, -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] =
+  {
+    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] =
+  {
+    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] =
+  {
+    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] =
+  {
+    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] =
+  {
+    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)
+  {
+    switch (tile)
+    {
+      case Yacid_splash_eB:
+      case Yacid_splash_wB:
+       return (frame_em > 5 ? EL_EMPTY : element);
+
+      default:
+       return element;
     }
-    if (!tl)
-    { 
-      text++; 
-      ty--; 
-      continue; 
+  }
+  else /* frame_em == 7 */
+  {
+    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);
+    }
+  }
+}
+
+inline static boolean check_linear_animation_EM(int tile)
+{
+  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:
+      return TRUE;
+  }
+
+  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)
+  {
+    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);
+
+    getGraphicSource(crumbled, frame_crumbled, &g_em->crumbled_bitmap,
+                    &g_em->crumbled_src_x, &g_em->crumbled_src_y);
+
+    g_em->crumbled_border_size = graphic_info[crumbled].border_size;
+
+    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;
+
+    g_em->has_crumbled_graphics = FALSE;
+  }
+}
+
+void ResetGfxAnimation_EM(int x, int y, int tile)
+{
+  GfxFrame[x][y] = 0;
+}
+
+void SetGfxAnimation_EM(struct GraphicInfo_EM *g_em,
+                       int tile, int frame_em, int x, int y)
+{
+  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 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)
+  {
+    GfxFrame[x][y] = 0;
+
+    // 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;
+
+    if (is_backside)
+    {
+      int direction = object_mapping[tile].direction;
+      int move_dir = (action_falling ? MV_DOWN : direction);
+
+      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]++;
+
+    /* 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]++;
+  }
+
+#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
+
+#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
+}
+
+void getGraphicSourceObjectExt_EM(struct GraphicInfo_EM *g_em,
+                                 int tile, int frame_em, int x, int y)
+{
+  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];
+  }
+
+#if 0
+  if (frame_em == 7)
+    return;
+#endif
+
+
+#if 0
+  if (frame_em == 0)   /* reset animation frame for certain elements */
+  {
+    if (check_linear_animation_EM(tile))
+      GfxFrame[x][y] = 0;
+  }
+#endif
+
+  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);
+
+#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
+
+#if 0
+  int xxx_effective_action;
+  int xxx_has_action_graphics;
+
+  {
+    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;
     }
-    sprintf(txt, text); 
-    txt[tl] = 0;
+  }
+#endif
+
+  int frame = getAnimationFrame(g->anim_frames,
+                               g->anim_delay,
+                               g->anim_mode,
+                               g->anim_start_frame,
+                               sync_frame);
+
+
+#if 0
+  return;
+#endif
+
+#if 0
+  if (frame_em == 7)
+    return;
+#endif
+
+#if 0
+  int old_src_x = g_em->src_x;
+  int old_src_y = g_em->src_y;
+#endif
+
+#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
+
+
 #if 0
-    DrawTextExt(pix[PIX_DB_DOOR], gc,
-               DOOR_GFX_PAGEX1 + 51 - (tl * 14)/2, SY + ty * 16,
-               txt, FS_SMALL, FC_YELLOW);
-#else
-    DrawTextExt(drawto, gc,
-               DX + 51 - (tl * 14)/2, DY + 8 + ty * 16,
-               txt, FS_SMALL, FC_YELLOW);
+  return;
 #endif
-    text += tl + (tc == 32 ? 1 : 0);
-  }
 
 #if 0
-  if (req_state & REQ_ASK)
-  {
-    DrawYesNoButton(BUTTON_OK, DB_INIT);
-    DrawYesNoButton(BUTTON_NO, DB_INIT);
-  }
-  else if (req_state & REQ_CONFIRM)
-  {
-    DrawConfirmButton(BUTTON_CONFIRM, DB_INIT);
-  }
-  else if (req_state & REQ_PLAYER)
+  if (frame_em == 7)
   {
-    DrawPlayerButton(BUTTON_PLAYER_1, DB_INIT);
-    DrawPlayerButton(BUTTON_PLAYER_2, DB_INIT);
-    DrawPlayerButton(BUTTON_PLAYER_3, DB_INIT);
-    DrawPlayerButton(BUTTON_PLAYER_4, DB_INIT);
-  }
-#else
+    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);
 
-  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]);
+    return;
   }
+#endif
 
-  /* copy request gadgets to door backbuffer */
-  XCopyArea(display, drawto, pix[PIX_DB_DOOR], gc,
-           DX, DY, DXSIZE, DYSIZE,
-           DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
 
+#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
 
-  OpenDoor(DOOR_OPEN_1);
-  ClearEventQueue();
-
-  if (!(req_state & REQUEST_WAIT_FOR))
-    return(FALSE);
+  /* (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);
 
-  if (game_status != MAINMENU)
-    InitAnimation();
+#else
 
-  button_status = MB_RELEASED;
+  g_em->crumbled_bitmap = NULL;
+  g_em->crumbled_src_x = 0;
+  g_em->crumbled_src_y = 0;
 
-  request_gadget_id = -1;
+  g_em->has_crumbled_graphics = FALSE;
 
-  while(result < 0)
+  if (has_crumbled_graphics && crumbled != IMG_EMPTY_SPACE)
   {
-    if (XPending(display))
-    {
-      XEvent event;
-
-      XNextEvent(display, &event);
+    int frame_crumbled = getAnimationFrame(g_crumbled->anim_frames,
+                                          g_crumbled->anim_delay,
+                                          g_crumbled->anim_mode,
+                                          g_crumbled->anim_start_frame,
+                                          sync_frame);
 
-      switch(event.type)
-      {
-       case ButtonPress:
-       case ButtonRelease:
-       case MotionNotify:
-       {
+    getGraphicSource(crumbled, frame_crumbled, &g_em->crumbled_bitmap,
+                    &g_em->crumbled_src_x, &g_em->crumbled_src_y);
 
-#if 0
-         int choice;
+    g_em->has_crumbled_graphics = TRUE;
+  }
 #endif
 
-         if (event.type == MotionNotify)
+#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)
          {
-           Window root, child;
-           int root_x, root_y;
-           int win_x, win_y;
-           unsigned int mask;
-
-           if (!XQueryPointer(display, window, &root, &child,
-                              &root_x, &root_y, &win_x, &win_y, &mask))
-             continue;
-
-           if (!button_status)
-             continue;
-
-           motion_status = TRUE;
-           mx = ((XMotionEvent *) &event)->x;
-           my = ((XMotionEvent *) &event)->y;
+           g_em->src_offset_x = cx * step;
+           g_em->src_offset_y = cy * step;
          }
          else
          {
-           motion_status = FALSE;
-           mx = ((XButtonEvent *) &event)->x;
-           my = ((XButtonEvent *) &event)->y;
-           if (event.type==ButtonPress)
-             button_status = ((XButtonEvent *) &event)->button;
-           else
-             button_status = MB_RELEASED;
+           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
 
-#if 0
-         if (req_state & REQ_ASK)
-           choice = CheckYesNoButtons(mx,my,button_status);
-         else if (req_state & REQ_CONFIRM)
-           choice = CheckConfirmButton(mx,my,button_status);
-         else
-           choice = CheckPlayerButtons(mx,my,button_status);
+}
 
-         switch(choice)
-         {
-           case BUTTON_OK:
-             result = TRUE;
-             break;
-           case BUTTON_NO:
-             result = FALSE;
-             break;
-           case BUTTON_CONFIRM:
-             result = TRUE | FALSE;
-             break;
+void getGraphicSourcePlayerExt_EM(struct GraphicInfo_EM *g_em,
+                                 int player_nr, int anim, int frame_em)
+{
+  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;
 
-           case BUTTON_PLAYER_1:
-             result = 1;
-             break;
-           case BUTTON_PLAYER_2:
-             result = 2;
-             break;
-           case BUTTON_PLAYER_3:
-             result = 3;
-             break;
-           case BUTTON_PLAYER_4:
-             result = 4;
-             break;
+  InitPlayerGfxAnimation(&stored_player[player_nr], action, direction);
 
-           default:
-             break;
-         }
-#else
+  stored_player[player_nr].StepFrame = frame_em;
 
-         /* this sets 'request_gadget_id' */
-         HandleGadgets(mx, my, button_status);
+  sync_frame = stored_player[player_nr].Frame;
 
-         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;
+  int frame = getAnimationFrame(g->anim_frames,
+                               g->anim_delay,
+                               g->anim_mode,
+                               g->anim_start_frame,
+                               sync_frame);
 
-           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;
+  getGraphicSourceExt(graphic, frame, &g_em->bitmap,
+                     &g_em->src_x, &g_em->src_y, FALSE);
 
-           default:
-             break;
-         }
+#if 0
+  printf("::: %d: %d, %d [%d]\n",
+        player_nr,
+        stored_player[player_nr].Frame,
+        stored_player[player_nr].StepFrame,
+        FrameCounter);
 #endif
+}
 
-         break;
-       }
+void InitGraphicInfo_EM(void)
+{
+#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;
 
-       case KeyPress:
-         switch(XLookupKeysym((XKeyEvent *)&event,
-                              ((XKeyEvent *)&event)->state))
-         {
-           case XK_Return:
-             result = 1;
-             break;
+#if DEBUG_EM_GFX
+  int num_em_gfx_errors = 0;
 
-           case XK_Escape:
-             result = 0;
-             break;
+  if (graphic_info_em_object[0][0].bitmap == NULL)
+  {
+    /* EM graphics not yet initialized in em_open_all() */
 
-           default:
-             break;
-         }
-         if (req_state & REQ_PLAYER)
-           result = 0;
-         break;
+    return;
+  }
 
-       case KeyRelease:
-         key_joystick_mapping = 0;
-         break;
+  printf("::: [4 errors can be ignored (1 x 'bomb', 3 x 'em_dynamite']\n");
+#endif
 
-       default:
-         HandleOtherEvents(&event);
-         break;
-      }
-    }
-    else if (AnyJoystickButton() == JOY_BUTTON_NEW_PRESSED)
-    {
-      int joy = AnyJoystick();
+  /* always start with reliable default values */
+  for (i = 0; i < TILE_MAX; i++)
+  {
+    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;
+  }
 
-      if (joy & JOY_BUTTON_1)
-       result = 1;
-      else if (joy & JOY_BUTTON_2)
-       result = 0;
+  /* 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;
     }
+  }
 
-    DoAnimation();
+  for (i = 0; em_object_mapping_list[i].element_em != -1; i++)
+  {
+    int e = em_object_mapping_list[i].element_em;
 
-    /* don't eat all CPU time */
-    Delay(10);
-  }
+    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 (game_status != MAINMENU)
-    StopAnimation();
+    if (em_object_mapping_list[i].action != -1)
+      object_mapping[e].action = em_object_mapping_list[i].action;
 
-  UnmapToolButtons();
+    if (em_object_mapping_list[i].direction != -1)
+      object_mapping[e].direction =
+       MV_DIR_FROM_BIT(em_object_mapping_list[i].direction);
+  }
 
-  if (!(req_state & REQ_STAY_OPEN))
+  for (i = 0; em_player_mapping_list[i].action_em != -1; i++)
   {
-    CloseDoor(DOOR_CLOSE_1);
+    int a = em_player_mapping_list[i].action_em;
+    int p = em_player_mapping_list[i].player_nr;
 
-    if (!(req_state & REQ_STAY_CLOSED) && (old_door_state & DOOR_OPEN_1))
-    {
-      XCopyArea(display,pix[PIX_DB_DOOR],pix[PIX_DB_DOOR],gc,
-               DOOR_GFX_PAGEX2,DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
-               DOOR_GFX_PAGEX1,DOOR_GFX_PAGEY1);
-      OpenDoor(DOOR_OPEN_1);
-    }
+    player_mapping[p][a].element_rnd = em_player_mapping_list[i].element_rnd;
+
+    if (em_player_mapping_list[i].action != -1)
+      player_mapping[p][a].action = em_player_mapping_list[i].action;
+
+    if (em_player_mapping_list[i].direction != -1)
+      player_mapping[p][a].direction =
+       MV_DIR_FROM_BIT(em_player_mapping_list[i].direction);
   }
 
-  RemapAllGadgets();
+  for (i = 0; i < TILE_MAX; 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) &&
+                               element != EL_DIAMOND);
+    boolean action_active = (action == ACTION_ACTIVE);
+    boolean action_other = (action == ACTION_OTHER);
+
+    for (j = 0; j < 8; j++)
+    {
+#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);
+      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 ? 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);
+
+#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
 
-#ifndef MSDOS
-  /* continue network game after request */
-  if (options.network &&
-      game_status == PLAYING &&
-      req_state & REQUEST_WAIT_FOR)
-    SendToServer_ContinuePlaying();
+      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,
+                         g->double_movement && is_backside);
+
+      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;
+
+      g_em->preserve_background = FALSE;
+
+#if 1
+      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
 
-  return(result);
-}
+      /* 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);
 
-unsigned int OpenDoor(unsigned int door_state)
-{
-  unsigned int new_door_state;
+       getGraphicSource(crumbled, frame_crumbled, &src_bitmap, &src_x, &src_y);
 
-  if (door_state & DOOR_COPY_BACK)
-  {
-    XCopyArea(display, pix[PIX_DB_DOOR], pix[PIX_DB_DOOR], gc,
-             DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE + VYSIZE,
-             DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
-    door_state &= ~DOOR_COPY_BACK;
-  }
+       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;
 
-  new_door_state = MoveDoor(door_state);
 
-  return(new_door_state);
-}
+#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
 
-unsigned int CloseDoor(unsigned int door_state)
-{
-  unsigned int new_door_state;
+#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 ||
+          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;
+         }
+       }
 
-  XCopyArea(display, backbuffer, pix[PIX_DB_DOOR], gc,
-           DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
-  XCopyArea(display, backbuffer, pix[PIX_DB_DOOR], gc,
-           VX, VY, VXSIZE, VYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY2);
+       g_em->width  = TILEX - cx * step;
+       g_em->height = TILEY - cy * step;
+      }
 
-  new_door_state = MoveDoor(door_state);
+      /* 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;
 
-  return(new_door_state);
-}
+#if DEBUG_EM_GFX
 
-unsigned int GetDoorState()
-{
-  return(MoveDoor(DOOR_GET_STATE));
-}
+      /* skip check for EMC elements not contained in original EMC artwork */
+      if (element == EL_EMC_FAKE_ACID)
+       continue;
 
-unsigned int MoveDoor(unsigned int door_state)
-{
-  static int door1 = DOOR_OPEN_1;
-  static int door2 = DOOR_CLOSE_2;
-  static unsigned long door_delay = 0;
-  int x, start, stepsize = 2;
-  unsigned long door_delay_value = stepsize * 5;
+      if (g_em->bitmap != debug_bitmap ||
+         g_em->src_x != debug_src_x ||
+         g_em->src_y != debug_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)
+      {
+       static int last_i = -1;
 
-  if (door_state == DOOR_GET_STATE)
-    return(door1 | door2);
+       if (i != last_i)
+       {
+         printf("\n");
+         last_i = i;
+       }
+
+       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);
+
+       printf("\n");
+
+       if (g_em->bitmap != debug_bitmap)
+         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, (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,
+                debug_src_x / 32, debug_src_y / 32);
+
+       if (g_em->src_offset_x != 0 ||
+           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, 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, is_backside,
+                g_em->width, g_em->height, TILEX, TILEY);
+
+       num_em_gfx_errors++;
+      }
+#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;
+    }
+  }
 
-  if (setup.quick_doors)
+  for (i = 0; i < TILE_MAX; i++)
   {
-    stepsize = 20;
-    door_delay_value = 0;
-    StopSound(SND_OEFFNEN);
+    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;
+      }
+    }
   }
 
-  if (door_state & DOOR_ACTION)
+  for (p = 0; p < MAX_PLAYERS; p++)
   {
-    if (!(door_state & DOOR_NO_DELAY))
-      PlaySoundStereo(SND_OEFFNEN, PSND_MAX_RIGHT);
-
-    start = ((door_state & DOOR_NO_DELAY) ? DXSIZE : 0);
-
-    for(x=start; x<=DXSIZE; x+=stepsize)
+    for (i = 0; i < SPR_MAX; i++)
     {
-      WaitUntilDelayReached(&door_delay, door_delay_value);
+      int element = player_mapping[p][i].element_rnd;
+      int action = player_mapping[p][i].action;
+      int direction = player_mapping[p][i].direction;
 
-      if (door_state & DOOR_ACTION_1)
+      for (j = 0; j < 8; j++)
       {
-       int i = (door_state & DOOR_OPEN_1 ? DXSIZE-x : x);
-       int j = (DXSIZE - i) / 3;
-
-       XCopyArea(display, pix[PIX_DB_DOOR], drawto, gc,
-                 DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1 + i/2,
-                 DXSIZE,DYSIZE - i/2, DX, DY);
-
-       XFillRectangle(display, drawto, gc, DX, DY + DYSIZE - i/2, DXSIZE,i/2);
-
-       XSetClipOrigin(display, clip_gc[PIX_DOOR],
-                      DX - i, (DY + j) - DOOR_GFX_PAGEY1);
-       XCopyArea(display, pix[PIX_DOOR], drawto,clip_gc[PIX_DOOR],
-                 DXSIZE, DOOR_GFX_PAGEY1, i, 77, DX + DXSIZE - i, DY + j);
-       XCopyArea(display, pix[PIX_DOOR], drawto, clip_gc[PIX_DOOR],
-                 DXSIZE, DOOR_GFX_PAGEY1 + 140, i, 63, DX + DXSIZE - i,
-                 DY + 140 + j);
-       XSetClipOrigin(display, clip_gc[PIX_DOOR],
-                      DX - DXSIZE + i, DY - (DOOR_GFX_PAGEY1 + j));
-       XCopyArea(display, pix[PIX_DOOR], drawto, clip_gc[PIX_DOOR],
-                 DXSIZE - i, DOOR_GFX_PAGEY1 + j, i, 77 - j, DX, DY);
-       XCopyArea(display, pix[PIX_DOOR], drawto, clip_gc[PIX_DOOR],
-                 DXSIZE-i, DOOR_GFX_PAGEY1 + 140, i, 63, DX, DY + 140 - j);
-
-       XCopyArea(display, pix[PIX_DOOR], drawto, clip_gc[PIX_DOOR],
-                 DXSIZE - i, DOOR_GFX_PAGEY1 + 77, i, 63,
-                 DX, DY + 77 - j);
-       XCopyArea(display, pix[PIX_DOOR], drawto, clip_gc[PIX_DOOR],
-                 DXSIZE - i, DOOR_GFX_PAGEY1 + 203, i, 77,
-                 DX, DY + 203 - j);
-       XSetClipOrigin(display, clip_gc[PIX_DOOR],
-                      DX - i, (DY + j) - DOOR_GFX_PAGEY1);
-       XCopyArea(display, pix[PIX_DOOR], drawto, clip_gc[PIX_DOOR],
-                 DXSIZE, DOOR_GFX_PAGEY1 + 77, i, 63,
-                 DX + DXSIZE - i, DY + 77 + j);
-       XCopyArea(display, pix[PIX_DOOR], drawto, clip_gc[PIX_DOOR],
-                 DXSIZE, DOOR_GFX_PAGEY1 + 203, i, 77 - j,
-                 DX + DXSIZE - i, DY + 203 + 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
 
-       redraw_mask |= REDRAW_DOOR_1;
-      }
+       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 (door_state & DOOR_ACTION_2)
-      {
-       int i = (door_state & DOOR_OPEN_2 ? VXSIZE - x : x);
-       int j = (VXSIZE - i) / 3;
-
-       XCopyArea(display, pix[PIX_DB_DOOR], drawto, gc,
-                 DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY2 + i/2,
-                 VXSIZE, VYSIZE - i/2, VX, VY);
-
-       XFillRectangle(display, drawto, gc, VX, VY + VYSIZE-i/2, VXSIZE, i/2);
-
-       XSetClipOrigin(display, clip_gc[PIX_DOOR],
-                      VX - i, (VY + j) - DOOR_GFX_PAGEY2);
-       XCopyArea(display, pix[PIX_DOOR], drawto, clip_gc[PIX_DOOR],
-                 VXSIZE, DOOR_GFX_PAGEY2, i, VYSIZE / 2, VX + VXSIZE-i, VY+j);
-       XSetClipOrigin(display, clip_gc[PIX_DOOR],
-                      VX - VXSIZE + i, VY - (DOOR_GFX_PAGEY2 + j));
-       XCopyArea(display, pix[PIX_DOOR], drawto,clip_gc[PIX_DOOR],
-                 VXSIZE - i, DOOR_GFX_PAGEY2 + j, i, VYSIZE / 2 - j, VX, VY);
-
-       XCopyArea(display, pix[PIX_DOOR], drawto, clip_gc[PIX_DOOR],
-                 VXSIZE - i, DOOR_GFX_PAGEY2 + VYSIZE / 2, i, VYSIZE / 2,
-                 VX, VY + VYSIZE / 2 - j);
-       XSetClipOrigin(display, clip_gc[PIX_DOOR],
-                      VX - i, (VY + j) - DOOR_GFX_PAGEY2);
-       XCopyArea(display, pix[PIX_DOOR], drawto, clip_gc[PIX_DOOR],
-                 VXSIZE, DOOR_GFX_PAGEY2 + VYSIZE / 2, i, VYSIZE / 2 - j,
-                 VX + VXSIZE - i, VY + VYSIZE / 2 + j);
+         if (i != last_i)
+         {
+           printf("\n");
+           last_i = i;
+         }
 
-       redraw_mask |= REDRAW_DOOR_2;
-      }
+         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 1
-      BackToFront();
-#else
-      XCopyArea(display, drawto, window, gc, DX, DY, DXSIZE, DYSIZE, DX, DY);
-#endif
+         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 (game_status == MAINMENU)
-       DoAnimation();
+      }
     }
   }
 
-  if (setup.quick_doors)
-    StopSound(SND_OEFFNEN);
-
-  if (door_state & DOOR_ACTION_1)
-    door1 = door_state & DOOR_ACTION_1;
-  if (door_state & DOOR_ACTION_2)
-    door2 = door_state & DOOR_ACTION_2;
+#if DEBUG_EM_GFX
+  printf("\n");
+  printf("::: [%d errors found]\n", num_em_gfx_errors);
 
-  return(door1 | door2);
+  exit(0);
+#endif
 }
 
-int ReadPixel(Drawable d, int x, int y)
+void getGraphicSource_SP(struct GraphicInfo_SP *g_sp,
+                        int graphic, int sync_frame, int x, int y)
 {
-  XImage *pixel_image;
-  unsigned long pixel_value;
+  int frame = getGraphicAnimationFrame(graphic, sync_frame);
 
-  pixel_image = XGetImage(display, d, x, y, 1, 1, AllPlanes, ZPixmap);
-  pixel_value = XGetPixel(pixel_image, 0, 0);
+  getGraphicSource(graphic, frame, &g_sp->bitmap, &g_sp->src_x, &g_sp->src_y);
+}
 
-  XDestroyImage(pixel_image);
+boolean isNextAnimationFrame_SP(int graphic, int sync_frame)
+{
+  return (IS_NEXT_FRAME(sync_frame, graphic));
+}
 
-  return pixel_value;
+int getGraphicInfo_Delay(int graphic)
+{
+  return graphic_info[graphic].anim_delay;
 }
 
-/* ---------- new tool button stuff ---------------------------------------- */
+void PlayMenuSoundExt(int sound)
+{
+  if (sound == SND_UNDEFINED)
+    return;
 
-/* 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 ((!setup.sound_simple && !IS_LOOP_SOUND(sound)) ||
+      (!setup.sound_loops && IS_LOOP_SOUND(sound)))
+    return;
 
-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"
-  }
-};
+  if (IS_LOOP_SOUND(sound))
+    PlaySoundLoop(sound);
+  else
+    PlaySound(sound);
+}
 
-void CreateToolButtons()
+void PlayMenuSound()
 {
-  int i;
+  PlayMenuSoundExt(menu.sound[game_status]);
+}
 
-  for (i=0; i<NUM_TOOL_BUTTONS; i++)
-  {
-    Pixmap gd_pixmap = pix[PIX_DOOR];
-    Pixmap deco_pixmap = 0;
-    int deco_x, deco_y, deco_xpos, deco_ypos;
-    struct GadgetInfo *gi;
-    unsigned long event_mask;
-    int gd_xoffset, gd_yoffset;
-    int gd_x1, gd_x2, gd_y;
-    int id = i;
+void PlayMenuSoundStereo(int sound, int stereo_position)
+{
+  if (sound == SND_UNDEFINED)
+    return;
 
-    event_mask = GD_EVENT_RELEASED;
+  if ((!setup.sound_simple && !IS_LOOP_SOUND(sound)) ||
+      (!setup.sound_loops && IS_LOOP_SOUND(sound)))
+    return;
 
-    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 (IS_LOOP_SOUND(sound))
+    PlaySoundExt(sound, SOUND_MAX_VOLUME, stereo_position, SND_CTRL_PLAY_LOOP);
+  else
+    PlaySoundStereo(sound, stereo_position);
+}
 
-    if (id >= TOOL_CTRL_ID_PLAYER_1 && id <= TOOL_CTRL_ID_PLAYER_4)
-    {
-      getMiniGraphicSource(GFX_SPIELER1 + id - TOOL_CTRL_ID_PLAYER_1,
-                          &deco_pixmap, &deco_x, &deco_y);
-      deco_xpos = (toolbutton_info[i].width - MINI_TILEX) / 2;
-      deco_ypos = (toolbutton_info[i].height - MINI_TILEY) / 2;
-    }
+void PlayMenuSoundIfLoopExt(int sound)
+{
+  if (sound == SND_UNDEFINED)
+    return;
 
-    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_pixmap, gd_x1, gd_y,
-                     GDI_DESIGN_PRESSED, gd_pixmap, gd_x2, gd_y,
-                     GDI_DECORATION_DESIGN, deco_pixmap, 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 ((!setup.sound_simple && !IS_LOOP_SOUND(sound)) ||
+      (!setup.sound_loops && IS_LOOP_SOUND(sound)))
+    return;
 
-    if (gi == NULL)
-      Error(ERR_EXIT, "cannot create gadget");
+  if (IS_LOOP_SOUND(sound))
+    PlaySoundLoop(sound);
+}
 
-    tool_gadget[id] = gi;
-  }
+void PlayMenuSoundIfLoop()
+{
+  PlayMenuSoundIfLoopExt(menu.sound[game_status]);
 }
 
-static void UnmapToolButtons()
+void PlayMenuMusicExt(int music)
 {
-  int i;
+  if (music == MUS_UNDEFINED)
+    return;
 
-  for (i=0; i<NUM_TOOL_BUTTONS; i++)
-    UnmapGadget(tool_gadget[i]);
+  if (!setup.sound_music)
+    return;
+
+  PlayMusic(music);
 }
 
-static void HandleToolButtons(struct GadgetInfo *gi)
+void PlayMenuMusic()
 {
-  request_gadget_id = gi->custom_id;
+  PlayMenuMusicExt(menu.music[game_status]);
+}
 
+void PlaySoundActivating()
+{
+#if 0
+  PlaySound(SND_MENU_ITEM_ACTIVATING);
+#endif
+}
 
+void PlaySoundSelecting()
+{
 #if 0
-  int id = gi->custom_id;
+  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 (game_status != PLAYING)
+  if (!video.fullscreen_available)
     return;
 
-  switch (id)
+  if (change_fullscreen || change_fullscreen_mode)
   {
-    case GAME_CTRL_ID_STOP:
-      if (AllPlayersGone)
-      {
-       CloseDoor(DOOR_CLOSE_1);
-       game_status = MAINMENU;
-       DrawMainMenu();
-       break;
-      }
+    Bitmap *tmp_backbuffer = CreateBitmap(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH);
 
-      if (Request("Do you really want to quit the game ?",
-                 REQ_ASK | REQ_STAY_CLOSED))
-      { 
-#ifndef MSDOS
-       if (options.network)
-         SendToServer_StopPlaying();
-       else
-#endif
-       {
-         game_status = MAINMENU;
-         DrawMainMenu();
-       }
-      }
-      else
-       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
-      break;
+    /* save backbuffer content which gets lost when toggling fullscreen mode */
+    BlitBitmap(backbuffer, tmp_backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
 
-    case GAME_CTRL_ID_PAUSE:
-      if (options.network)
-      {
-#ifndef MSDOS
-       if (tape.pausing)
-         SendToServer_ContinuePlaying();
-       else
-         SendToServer_PausePlaying();
-#endif
-      }
-      else
-       TapeTogglePause();
-      break;
+    if (change_fullscreen_mode)
+    {
+      /* keep fullscreen, but change fullscreen mode (screen resolution) */
+      video.fullscreen_enabled = FALSE;                /* force new fullscreen mode */
+    }
 
-    case GAME_CTRL_ID_PLAY:
-      if (tape.pausing)
-      {
-#ifndef MSDOS
-       if (options.network)
-         SendToServer_ContinuePlaying();
-       else
-#endif
-       {
-         tape.pausing = FALSE;
-         DrawVideoDisplay(VIDEO_STATE_PAUSE_OFF,0);
-       }
-      }
-      break;
+    /* toggle fullscreen */
+    ChangeVideoModeIfNeeded(setup.fullscreen);
 
-    case SOUND_CTRL_ID_MUSIC:
-      if (setup.sound_music)
-      { 
-       setup.sound_music = FALSE;
-       FadeSound(background_loop[level_nr % num_bg_loops]);
-      }
-      else if (sound_loops_allowed)
-      { 
-       setup.sound = setup.sound_music = TRUE;
-       PlaySoundLoop(background_loop[level_nr % num_bg_loops]);
-      }
-      break;
+    setup.fullscreen = video.fullscreen_enabled;
 
-    case SOUND_CTRL_ID_LOOPS:
-      if (setup.sound_loops)
-       setup.sound_loops = FALSE;
-      else if (sound_loops_allowed)
-       setup.sound = setup.sound_loops = TRUE;
-      break;
+    /* restore backbuffer content from temporary backbuffer backup bitmap */
+    BlitBitmap(tmp_backbuffer, backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
 
-    case SOUND_CTRL_ID_SIMPLE:
-      if (setup.sound_simple)
-       setup.sound_simple = FALSE;
-      else if (sound_status==SOUND_AVAILABLE)
-       setup.sound = setup.sound_simple = TRUE;
-      break;
+    FreeBitmap(tmp_backbuffer);
 
-    default:
-      break;
+#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);
 
-int el2gfx(int element)
-{
-  switch(element)
-  {
-    case EL_LEERRAUM:          return -1;
-    case EL_ERDREICH:          return GFX_ERDREICH;
-    case EL_MAUERWERK:         return GFX_MAUERWERK;
-    case EL_FELSBODEN:         return GFX_FELSBODEN;
-    case EL_FELSBROCKEN:       return GFX_FELSBROCKEN;
-    case EL_SCHLUESSEL:                return GFX_SCHLUESSEL;
-    case EL_EDELSTEIN:         return GFX_EDELSTEIN;
-    case EL_AUSGANG_ZU:                return GFX_AUSGANG_ZU;
-    case EL_AUSGANG_ACT:       return GFX_AUSGANG_ACT;
-    case EL_AUSGANG_AUF:       return GFX_AUSGANG_AUF;
-    case EL_SPIELFIGUR:                return GFX_SPIELFIGUR;
-    case EL_SPIELER1:          return GFX_SPIELER1;
-    case EL_SPIELER2:          return GFX_SPIELER2;
-    case EL_SPIELER3:          return GFX_SPIELER3;
-    case EL_SPIELER4:          return GFX_SPIELER4;
-    case EL_KAEFER:            return GFX_KAEFER;
-    case EL_KAEFER_R:          return GFX_KAEFER_R;
-    case EL_KAEFER_O:          return GFX_KAEFER_O;
-    case EL_KAEFER_L:          return GFX_KAEFER_L;
-    case EL_KAEFER_U:          return GFX_KAEFER_U;
-    case EL_FLIEGER:           return GFX_FLIEGER;
-    case EL_FLIEGER_R:         return GFX_FLIEGER_R;
-    case EL_FLIEGER_O:         return GFX_FLIEGER_O;
-    case EL_FLIEGER_L:         return GFX_FLIEGER_L;
-    case EL_FLIEGER_U:         return GFX_FLIEGER_U;
-    case EL_BUTTERFLY:         return GFX_BUTTERFLY;
-    case EL_BUTTERFLY_R:       return GFX_BUTTERFLY_R;
-    case EL_BUTTERFLY_O:       return GFX_BUTTERFLY_O;
-    case EL_BUTTERFLY_L:       return GFX_BUTTERFLY_L;
-    case EL_BUTTERFLY_U:       return GFX_BUTTERFLY_U;
-    case EL_FIREFLY:           return GFX_FIREFLY;
-    case EL_FIREFLY_R:         return GFX_FIREFLY_R;
-    case EL_FIREFLY_O:         return GFX_FIREFLY_O;
-    case EL_FIREFLY_L:         return GFX_FIREFLY_L;
-    case EL_FIREFLY_U:         return GFX_FIREFLY_U;
-    case EL_MAMPFER:           return GFX_MAMPFER;
-    case EL_ROBOT:             return GFX_ROBOT;
-    case EL_BETON:             return GFX_BETON;
-    case EL_DIAMANT:           return GFX_DIAMANT;
-    case EL_MORAST_LEER:       return GFX_MORAST_LEER;
-    case EL_MORAST_VOLL:       return GFX_MORAST_VOLL;
-    case EL_TROPFEN:           return GFX_TROPFEN;
-    case EL_BOMBE:             return GFX_BOMBE;
-    case EL_SIEB_INAKTIV:      return GFX_SIEB_INAKTIV;
-    case EL_SIEB_LEER:         return GFX_SIEB_LEER;
-    case EL_SIEB_VOLL:         return GFX_SIEB_VOLL;
-    case EL_SIEB_TOT:          return GFX_SIEB_TOT;
-    case EL_SALZSAEURE:                return GFX_SALZSAEURE;
-    case EL_AMOEBE_TOT:                return GFX_AMOEBE_TOT;
-    case EL_AMOEBE_NASS:       return GFX_AMOEBE_NASS;
-    case EL_AMOEBE_NORM:       return GFX_AMOEBE_NORM;
-    case EL_AMOEBE_VOLL:       return GFX_AMOEBE_VOLL;
-    case EL_AMOEBE_BD:         return GFX_AMOEBE_BD;
-    case EL_AMOEBA2DIAM:       return GFX_AMOEBA2DIAM;
-    case EL_KOKOSNUSS:         return GFX_KOKOSNUSS;
-    case EL_LIFE:              return GFX_LIFE;
-    case EL_LIFE_ASYNC:                return GFX_LIFE_ASYNC;
-    case EL_DYNAMIT:           return GFX_DYNAMIT;
-    case EL_BADEWANNE:         return GFX_BADEWANNE;
-    case EL_BADEWANNE1:                return GFX_BADEWANNE1;
-    case EL_BADEWANNE2:                return GFX_BADEWANNE2;
-    case EL_BADEWANNE3:                return GFX_BADEWANNE3;
-    case EL_BADEWANNE4:                return GFX_BADEWANNE4;
-    case EL_BADEWANNE5:                return GFX_BADEWANNE5;
-    case EL_ABLENK_AUS:                return GFX_ABLENK_AUS;
-    case EL_ABLENK_EIN:                return GFX_ABLENK_EIN;
-    case EL_SCHLUESSEL1:       return GFX_SCHLUESSEL1;
-    case EL_SCHLUESSEL2:       return GFX_SCHLUESSEL2;
-    case EL_SCHLUESSEL3:       return GFX_SCHLUESSEL3;
-    case EL_SCHLUESSEL4:       return GFX_SCHLUESSEL4;
-    case EL_PFORTE1:           return GFX_PFORTE1;
-    case EL_PFORTE2:           return GFX_PFORTE2;
-    case EL_PFORTE3:           return GFX_PFORTE3;
-    case EL_PFORTE4:           return GFX_PFORTE4;
-    case EL_PFORTE1X:          return GFX_PFORTE1X;
-    case EL_PFORTE2X:          return GFX_PFORTE2X;
-    case EL_PFORTE3X:          return GFX_PFORTE3X;
-    case EL_PFORTE4X:          return GFX_PFORTE4X;
-    case EL_DYNAMIT_AUS:       return GFX_DYNAMIT_AUS;
-    case EL_PACMAN:            return GFX_PACMAN;
-    case EL_PACMAN_R:          return GFX_PACMAN_R;
-    case EL_PACMAN_O:          return GFX_PACMAN_O;
-    case EL_PACMAN_L:          return GFX_PACMAN_L;
-    case EL_PACMAN_U:          return GFX_PACMAN_U;
-    case EL_UNSICHTBAR:                return GFX_UNSICHTBAR;
-    case EL_ERZ_EDEL:          return GFX_ERZ_EDEL;
-    case EL_ERZ_DIAM:          return GFX_ERZ_DIAM;
-    case EL_BIRNE_AUS:         return GFX_BIRNE_AUS;
-    case EL_BIRNE_EIN:         return GFX_BIRNE_EIN;
-    case EL_ZEIT_VOLL:         return GFX_ZEIT_VOLL;
-    case EL_ZEIT_LEER:         return GFX_ZEIT_LEER;
-    case EL_MAUER_LEBT:                return GFX_MAUER_LEBT;
-    case EL_MAUER_X:           return GFX_MAUER_X;
-    case EL_MAUER_Y:           return GFX_MAUER_Y;
-    case EL_MAUER_XY:          return GFX_MAUER_XY;
-    case EL_EDELSTEIN_BD:      return GFX_EDELSTEIN_BD;
-    case EL_EDELSTEIN_GELB:    return GFX_EDELSTEIN_GELB;
-    case EL_EDELSTEIN_ROT:     return GFX_EDELSTEIN_ROT;
-    case EL_EDELSTEIN_LILA:    return GFX_EDELSTEIN_LILA;
-    case EL_ERZ_EDEL_BD:       return GFX_ERZ_EDEL_BD;
-    case EL_ERZ_EDEL_GELB:     return GFX_ERZ_EDEL_GELB;
-    case EL_ERZ_EDEL_ROT:      return GFX_ERZ_EDEL_ROT;
-    case EL_ERZ_EDEL_LILA:     return GFX_ERZ_EDEL_LILA;
-    case EL_MAMPFER2:          return GFX_MAMPFER2;
-    case EL_SIEB2_INAKTIV:     return GFX_SIEB2_INAKTIV;
-    case EL_SIEB2_LEER:                return GFX_SIEB2_LEER;
-    case EL_SIEB2_VOLL:                return GFX_SIEB2_VOLL;
-    case EL_SIEB2_TOT:         return GFX_SIEB2_TOT;
-    case EL_DYNABOMB:          return GFX_DYNABOMB;
-    case EL_DYNABOMB_NR:       return GFX_DYNABOMB_NR;
-    case EL_DYNABOMB_SZ:       return GFX_DYNABOMB_SZ;
-    case EL_DYNABOMB_XL:       return GFX_DYNABOMB_XL;
-    case EL_SOKOBAN_OBJEKT:    return GFX_SOKOBAN_OBJEKT;
-    case EL_SOKOBAN_FELD_LEER: return GFX_SOKOBAN_FELD_LEER;
-    case EL_SOKOBAN_FELD_VOLL: return GFX_SOKOBAN_FELD_VOLL;
-    case EL_MAULWURF:          return GFX_MAULWURF;
-    case EL_PINGUIN:           return GFX_PINGUIN;
-    case EL_SCHWEIN:           return GFX_SCHWEIN;
-    case EL_DRACHE:            return GFX_DRACHE;
-    case EL_SONDE:             return GFX_SONDE;
-    case EL_PFEIL_L:           return GFX_PFEIL_L;
-    case EL_PFEIL_R:           return GFX_PFEIL_R;
-    case EL_PFEIL_O:           return GFX_PFEIL_O;
-    case EL_PFEIL_U:           return GFX_PFEIL_U;
-    case EL_SPEED_PILL:                return GFX_SPEED_PILL;
-    case EL_SP_TERMINAL_ACTIVE:        return GFX_SP_TERMINAL;
-    case EL_SP_BUG_ACTIVE:     return GFX_SP_BUG_ACTIVE;
-    case EL_INVISIBLE_STEEL:   return GFX_INVISIBLE_STEEL;
-
-    default:
-    {
-      if (IS_CHAR(element))
-       return GFX_CHAR_START + (element - EL_CHAR_START);
-      else if (element >= EL_SP_START && element <= EL_SP_END)
-      {
-       int nr_element = element - EL_SP_START;
-       int gfx_per_line = 8;
-       int nr_graphic =
-         (nr_element / gfx_per_line) * MORE_PER_LINE +
-         (nr_element % gfx_per_line);
+    // RedrawBackground();
+#endif
+  }
 
-       return GFX_START_ROCKSMORE + nr_graphic;
-      }
-      else
-       return -1;
+  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
 }