rnd-20040928-1-src
[rocksndiamonds.git] / src / tools.c
index e104066caaca3e41b39c0b45628c5facda42dceb..c950c871347cc29cc0c7f0bdebee7027f5eaf07d 100644 (file)
 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);
+
+  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("  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)
@@ -71,7 +123,7 @@ void SetDrawtoField(int mode)
 
 void RedrawPlayfield(boolean force_redraw, int x, int y, int width, int height)
 {
-  if (game_status == GAME_MODE_PLAYING)
+  if (game_status == GAME_MODE_PLAYING && !game.envelope_active)
   {
     if (force_redraw)
     {
@@ -90,8 +142,8 @@ void RedrawPlayfield(boolean force_redraw, int x, int y, int width, int height)
       if (setup.direct_draw)
        SetDrawtoField(DRAW_BACKBUFFER);
 
-      for(xx=BX1; xx<=BX2; xx++)
-       for(yy=BY1; yy<=BY2; yy++)
+      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();
@@ -222,28 +274,33 @@ void BackToFront()
   {
     if (redraw_mask & REDRAW_DOOR_1)
       BlitBitmap(backbuffer, window, DX, DY, DXSIZE, DYSIZE, DX, DY);
+
     if (redraw_mask & REDRAW_DOOR_2)
     {
+#if 0
       if ((redraw_mask & REDRAW_DOOR_2) == REDRAW_DOOR_2)
-       BlitBitmap(backbuffer, window, VX,VY, VXSIZE,VYSIZE, VX,VY);
+#endif
+       BlitBitmap(backbuffer, window, VX, VY, VXSIZE, VYSIZE, VX, VY);
+#if 0
       else
       {
        if (redraw_mask & REDRAW_VIDEO_1)
          BlitBitmap(backbuffer, window,
-                    VX+VIDEO_DISPLAY1_XPOS,VY+VIDEO_DISPLAY1_YPOS,
-                    VIDEO_DISPLAY_XSIZE,VIDEO_DISPLAY_YSIZE,
-                    VX+VIDEO_DISPLAY1_XPOS,VY+VIDEO_DISPLAY1_YPOS);
+                    VX + VIDEO_DISPLAY1_XPOS, VY + VIDEO_DISPLAY1_YPOS,
+                    VIDEO_DISPLAY_XSIZE, VIDEO_DISPLAY_YSIZE,
+                    VX + VIDEO_DISPLAY1_XPOS, VY + VIDEO_DISPLAY1_YPOS);
        if (redraw_mask & REDRAW_VIDEO_2)
          BlitBitmap(backbuffer, window,
-                    VX+VIDEO_DISPLAY2_XPOS,VY+VIDEO_DISPLAY2_YPOS,
-                    VIDEO_DISPLAY_XSIZE,VIDEO_DISPLAY_YSIZE,
-                    VX+VIDEO_DISPLAY2_XPOS,VY+VIDEO_DISPLAY2_YPOS);
+                    VX + VIDEO_DISPLAY2_XPOS, VY + VIDEO_DISPLAY2_YPOS,
+                    VIDEO_DISPLAY_XSIZE, VIDEO_DISPLAY_YSIZE,
+                    VX + VIDEO_DISPLAY2_XPOS, VY + VIDEO_DISPLAY2_YPOS);
        if (redraw_mask & REDRAW_VIDEO_3)
          BlitBitmap(backbuffer, window,
-                    VX+VIDEO_CONTROL_XPOS,VY+VIDEO_CONTROL_YPOS,
-                    VIDEO_CONTROL_XSIZE,VIDEO_CONTROL_YSIZE,
-                    VX+VIDEO_CONTROL_XPOS,VY+VIDEO_CONTROL_YPOS);
+                    VX + VIDEO_CONTROL_XPOS, VY + VIDEO_CONTROL_YPOS,
+                    VIDEO_CONTROL_XSIZE, VIDEO_CONTROL_YSIZE,
+                    VX + VIDEO_CONTROL_XPOS, VY + VIDEO_CONTROL_YPOS);
       }
+#endif
     }
 
     if (redraw_mask & REDRAW_DOOR_3)
@@ -262,11 +319,11 @@ void BackToFront()
 
   if (redraw_mask & REDRAW_TILES)
   {
-    for(x=0; x<SCR_FIELDX; x++)
-      for(y=0; y<SCR_FIELDY; y++)
+    for (x = 0; x < SCR_FIELDX; x++)
+      for (y = 0 ; y < SCR_FIELDY; y++)
        if (redraw[redraw_x1 + x][redraw_y1 + y])
          BlitBitmap(buffer, window,
-                    FX + x * TILEX, FX + y * TILEY, TILEX, TILEY,
+                    FX + x * TILEX, FY + y * TILEY, TILEX, TILEY,
                     SX + x * TILEX, SY + y * TILEY);
   }
 
@@ -285,8 +342,8 @@ void BackToFront()
 
   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 = REDRAW_NONE;
@@ -307,9 +364,9 @@ void FadeToFront()
     ClearRectangle(window, REAL_SX,REAL_SY,FULL_SXSIZE,FULL_SYSIZE);
     FlushDisplay();
 
-    for(i=0;i<2*FULL_SYSIZE;i++)
+    for (i = 0; i < 2 * FULL_SYSIZE; i++)
     {
-      for(y=0;y<FULL_SYSIZE;y++)
+      for (y = 0; y < FULL_SYSIZE; y++)
       {
        BlitBitmap(backbuffer, window,
                   REAL_SX,REAL_SY+i, FULL_SXSIZE,1, REAL_SX,REAL_SY+i);
@@ -320,7 +377,7 @@ void FadeToFront()
 #endif
 
 #if 0
-    for(i=1;i<FULL_SYSIZE;i+=2)
+    for (i = 1; i < FULL_SYSIZE; i+=2)
       BlitBitmap(backbuffer, window,
                 REAL_SX,REAL_SY+i, FULL_SXSIZE,1, REAL_SX,REAL_SY+i);
     FlushDisplay();
@@ -423,9 +480,9 @@ void SetBorderElement()
 
   BorderElement = EL_EMPTY;
 
-  for(y=0; y<lev_fieldy && BorderElement == EL_EMPTY; y++)
+  for (y = 0; y < lev_fieldy && BorderElement == EL_EMPTY; y++)
   {
-    for(x=0; x<lev_fieldx; x++)
+    for (x = 0; x < lev_fieldx; x++)
     {
       if (!IS_INDESTRUCTIBLE(Feld[x][y]))
        BorderElement = EL_STEELWALL;
@@ -485,7 +542,7 @@ void DrawLevelGraphicAnimation(int x, int y, int graphic)
 void DrawLevelElementAnimation(int x, int y, int element)
 {
 #if 1
-  int graphic = el_act_dir2img(element, GfxAction[x][y], MovDir[x][y]);
+  int graphic = el_act_dir2img(element, GfxAction[x][y], GfxDir[x][y]);
 
   DrawGraphicAnimation(SCREENX(x), SCREENY(y), graphic);
 #else
@@ -505,7 +562,7 @@ inline void DrawLevelGraphicAnimationIfNeeded(int x, int y, int graphic)
 
   DrawGraphicAnimation(sx, sy, graphic);
 
-  if (CAN_BE_CRUMBLED(Feld[x][y]))
+  if (GFX_CRUMBLED(Feld[x][y]))
     DrawLevelFieldCrumbledSand(x, y);
 }
 
@@ -517,22 +574,59 @@ void DrawLevelElementAnimationIfNeeded(int x, int y, int element)
   if (!IN_LEV_FIELD(x, y) || !IN_SCR_FIELD(sx, sy))
     return;
 
-  graphic = el_act_dir2img(element, GfxAction[x][y], MovDir[x][y]);
+  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 (CAN_BE_CRUMBLED(element))
+  if (GFX_CRUMBLED(element))
     DrawLevelFieldCrumbledSand(x, y);
 }
 
+static int getPlayerGraphic(struct PlayerInfo *player, int move_dir)
+{
+  if (player->use_murphy_graphic)
+  {
+    /* this works only because currently only one player can be "murphy" ... */
+    static int last_horizontal_dir = MV_LEFT;
+    int graphic = el_act_dir2img(EL_SP_MURPHY, player->GfxAction, move_dir);
+
+    if (move_dir == MV_LEFT || move_dir == MV_RIGHT)
+      last_horizontal_dir = move_dir;
+
+    if (graphic == IMG_SP_MURPHY)      /* undefined => use special graphic */
+    {
+      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->element_nr, 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++)
+  for (i = 0; i < MAX_PLAYERS; i++)
     if (stored_player[i].active)
       DrawPlayer(&stored_player[i]);
 }
@@ -547,41 +641,38 @@ void DrawPlayerField(int x, int y)
 
 void DrawPlayer(struct PlayerInfo *player)
 {
+  int jx = player->jx;
+  int jy = player->jy;
+  int move_dir = player->MovDir;
 #if 0
-  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], last_element = Feld[last_jx][last_jy];
-  int graphic;
-  int frame = 0;
+  int last_jx = player->last_jx;
+  int last_jy = player->last_jy;
+  int next_jx = jx + (jx - last_jx);
+  int next_jy = jy + (jy - last_jy);
   boolean player_is_moving = (last_jx != jx || last_jy != jy ? TRUE : FALSE);
-  int move_dir = player->MovDir;
-  int action = ACTION_DEFAULT;
 #else
-  int jx = player->jx, 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);
+#endif
   int sx = SCREENX(jx), sy = SCREENY(jy);
   int sxx = 0, syy = 0;
   int element = Feld[jx][jy], last_element = Feld[last_jx][last_jy];
   int graphic;
-  int frame = 0;
-  boolean player_is_moving = (player->MovPos ? TRUE : FALSE);
   int action = ACTION_DEFAULT;
-#endif
+  int last_player_graphic = getPlayerGraphic(player, move_dir);
+  int last_player_frame = player->Frame;
+  int frame = 0;
 
   if (!player->active || !IN_SCR_FIELD(SCREENX(last_jx), SCREENY(last_jy)))
     return;
 
 #if DEBUG
-  if (!IN_LEV_FIELD(jx,jy))
+  if (!IN_LEV_FIELD(jx, jy))
   {
     printf("DrawPlayerField(): x = %d, y = %d\n",jx,jy);
     printf("DrawPlayerField(): sx = %d, sy = %d\n",sx,sy);
@@ -593,15 +684,13 @@ void DrawPlayer(struct PlayerInfo *player)
   if (element == EL_EXPLOSION)
     return;
 
-  action = (player->Pushing ? ACTION_PUSHING :
-           player->is_digging ? ACTION_DIGGING :
-           player->is_collecting ? ACTION_COLLECTING :
-           player->is_moving ? ACTION_MOVING :
-           player->snapped ? ACTION_SNAPPING : ACTION_DEFAULT);
-
-#if 0
-  printf("::: '%s'\n", element_action_info[action].suffix);
-#endif
+  action = (player->is_pushing    ? ACTION_PUSHING         :
+           player->is_digging    ? ACTION_DIGGING         :
+           player->is_collecting ? ACTION_COLLECTING      :
+           player->is_moving     ? ACTION_MOVING          :
+           player->is_snapping   ? ACTION_SNAPPING        :
+           player->is_dropping   ? ACTION_DROPPING        :
+           player->is_waiting    ? player->action_waiting : ACTION_DEFAULT);
 
   InitPlayerGfxAnimation(player, action, move_dir);
 
@@ -631,24 +720,8 @@ void DrawPlayer(struct PlayerInfo *player)
     else
       DrawLevelField(last_jx, last_jy);
 
-    if (player->Pushing && IN_SCR_FIELD(SCREENX(next_jx), SCREENY(next_jy)))
-    {
-#if 1
-#if 1
+    if (player->is_pushing && IN_SCR_FIELD(SCREENX(next_jx), SCREENY(next_jy)))
       DrawLevelElement(next_jx, next_jy, EL_EMPTY);
-#else
-      if (player->GfxPos)
-      {
-       if (Feld[next_jx][next_jy] == EL_SOKOBAN_FIELD_FULL)
-         DrawLevelElement(next_jx, next_jy, EL_SOKOBAN_FIELD_EMPTY);
-       else
-         DrawLevelElement(next_jx, next_jy, EL_EMPTY);
-      }
-      else
-       DrawLevelField(next_jx, next_jy);
-#endif
-#endif
-    }
   }
 
   if (!IN_SCR_FIELD(sx, sy))
@@ -669,13 +742,8 @@ void DrawPlayer(struct PlayerInfo *player)
   {
     if (player_is_moving && GfxElement[jx][jy] != EL_UNDEFINED)
     {
-#if 1
-      if (CAN_BE_CRUMBLED(GfxElement[jx][jy]))
+      if (GFX_CRUMBLED(GfxElement[jx][jy]))
        DrawLevelFieldCrumbledSandDigging(jx, jy, move_dir, player->StepFrame);
-#else
-      if (GfxElement[jx][jy] == EL_SAND)
-       DrawLevelFieldCrumbledSandDigging(jx, jy, move_dir, player->StepFrame);
-#endif
       else
       {
        int old_element = GfxElement[jx][jy];
@@ -697,21 +765,38 @@ void DrawPlayer(struct PlayerInfo *player)
   /* draw player himself                                                     */
   /* ----------------------------------------------------------------------- */
 
+#if 1
+
+  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;
+
+#else
+
   if (player->use_murphy_graphic)
   {
     static int last_horizontal_dir = MV_LEFT;
-    int direction;
 
     if (move_dir == MV_LEFT || move_dir == MV_RIGHT)
       last_horizontal_dir = move_dir;
 
-    direction = (player->snapped ? move_dir : last_horizontal_dir);
+    graphic = el_act_dir2img(EL_SP_MURPHY, player->GfxAction, move_dir);
+
+    if (graphic == IMG_SP_MURPHY)      /* undefined => use special graphic */
+    {
+      int direction = (player->is_snapping ? move_dir : last_horizontal_dir);
 
-    graphic = el_act_dir2img(EL_SP_MURPHY, player->GfxAction, direction);
+      graphic = el_act_dir2img(EL_SP_MURPHY, player->GfxAction, direction);
+    }
   }
   else
     graphic = el_act_dir2img(player->element_nr, player->GfxAction, move_dir);
 
+#endif
+
   frame = getGraphicAnimationFrame(graphic, player->Frame);
 
   if (player->GfxPos)
@@ -742,14 +827,14 @@ void DrawPlayer(struct PlayerInfo *player)
 
 #if 0
   printf("::: %d, %d [%d, %d] [%d]\n",
-        player->Pushing, player_is_moving, player->GfxAction,
+        player->is_pushing, player_is_moving, player->GfxAction,
         player->is_moving, player_is_moving);
 #endif
 
 #if 1
-  if (player->Pushing && player->is_moving)
+  if (player->is_pushing && player->is_moving)
 #else
-  if (player->Pushing && player_is_moving)
+  if (player->is_pushing && player_is_moving)
 #endif
   {
     int px = SCREENX(next_jx), py = SCREENY(next_jy);
@@ -757,48 +842,21 @@ void DrawPlayer(struct PlayerInfo *player)
     if (Back[next_jx][next_jy])
       DrawLevelElement(next_jx, next_jy, Back[next_jx][next_jy]);
 
-#if 1
     if ((sxx || syy) && element == EL_SOKOBAN_OBJECT)
       DrawGraphicShiftedThruMask(px, py, sxx, syy, IMG_SOKOBAN_OBJECT, 0,
                                 NO_CUTTING);
-#else
-    if ((sxx || syy) &&
-       (element == EL_SOKOBAN_FIELD_EMPTY ||
-        Feld[next_jx][next_jy] == EL_SOKOBAN_FIELD_FULL))
-      DrawGraphicShiftedThruMask(px, py, sxx, syy, IMG_SOKOBAN_OBJECT, 0,
-                                NO_CUTTING);
-#endif
     else
     {
-#if 1
       int element = MovingOrBlocked2Element(next_jx, next_jy);
-#else
+      int graphic = el_act_dir2img(element, ACTION_PUSHING, move_dir);
 #if 1
-      int element = Feld[jx][jy];
+      int frame = getGraphicAnimationFrame(graphic, player->StepFrame);
 #else
-      int element = Feld[next_jx][next_jy];
-#endif
-#endif
-
-#if 1
-      int graphic = el2img(element);
-      int frame = 0;
-
-#if 0
-      if ((sxx || syy) && IS_PUSHABLE(element))
-#endif
-      {
-       graphic = el_act_dir2img(element, ACTION_PUSHING, move_dir);
-       frame = getGraphicAnimationFrame(graphic, player->Frame);
-      }
-
-#if 0
-      printf("::: pushing %d: %d ...\n", sxx, frame);
+      int frame = getGraphicAnimationFrame(graphic, player->Frame);
 #endif
 
       DrawGraphicShifted(px, py, sxx, syy, graphic, frame,
                         NO_CUTTING, NO_MASKING);
-#endif
     }
   }
 
@@ -819,14 +877,7 @@ void DrawPlayer(struct PlayerInfo *player)
 
   if (player_is_moving && last_element == EL_EXPLOSION)
   {
-#if 1
     int graphic = el_act2img(GfxElement[last_jx][last_jy], ACTION_EXPLODING);
-#else
-    int stored = Store[last_jx][last_jy];
-    int graphic = (game.emulation != EMU_SUPAPLEX ? IMG_EXPLOSION :
-                  stored == EL_SP_INFOTRON ? IMG_SP_EXPLOSION_INFOTRON :
-                  IMG_SP_EXPLOSION);
-#endif
     int delay = (game.emulation == EMU_SUPAPLEX ? 3 : 2);
     int phase = ExplodePhase[last_jx][last_jy] - 1;
     int frame = getGraphicAnimationFrame(graphic, phase - delay);
@@ -839,17 +890,41 @@ void DrawPlayer(struct PlayerInfo *player)
   /* draw elements the player is just walking/passing through/under          */
   /* ----------------------------------------------------------------------- */
 
-  /* handle the field the player is leaving ... */
-  if (player_is_moving && IS_ACCESSIBLE_INSIDE(last_element))
-    DrawLevelField(last_jx, last_jy);
-  else if (player_is_moving && IS_ACCESSIBLE_UNDER(last_element))
-    DrawLevelFieldThruMask(last_jx, last_jy);
+  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);
+  }
+
+#if 1
+  /* do not redraw accessible elements if the player is just pushing them */
+  if (!player_is_moving || !player->is_pushing)
+  {
+    /* ... and the field the player is entering */
+    if (IS_ACCESSIBLE_INSIDE(element))
+      DrawLevelField(jx, jy);
+    else if (IS_ACCESSIBLE_UNDER(element))
+      DrawLevelFieldThruMask(jx, jy);
+  }
+
+#else
 
-  /* ... and the field the player is entering */
-  if (IS_ACCESSIBLE_INSIDE(element))
-    DrawLevelField(jx, jy);
-  else if (IS_ACCESSIBLE_UNDER(element))
-    DrawLevelFieldThruMask(jx, jy);
+#if 0
+  /* !!! I have forgotton what this should be good for !!! */
+  /* !!! causes player being visible when pushing from within tubes !!! */
+  if (!player->is_pushing)
+#endif
+  {
+    /* ... and the field the player is entering */
+    if (IS_ACCESSIBLE_INSIDE(element))
+      DrawLevelField(jx, jy);
+    else if (IS_ACCESSIBLE_UNDER(element))
+      DrawLevelFieldThruMask(jx, jy);
+  }
+#endif
 
   if (setup.direct_draw)
   {
@@ -863,7 +938,7 @@ void DrawPlayer(struct PlayerInfo *player)
     SetDrawtoField(DRAW_DIRECT);
   }
 
-  MarkTileDirty(sx,sy);
+  MarkTileDirty(sx, sy);
 }
 
 void getGraphicSource(int graphic, int frame, Bitmap **bitmap, int *x, int *y)
@@ -987,7 +1062,7 @@ void DrawMiniGraphicExt(DrawBuffer *d, int x, int y, int graphic)
   BlitBitmap(src_bitmap, d, src_x, src_y, MINI_TILEX, MINI_TILEY, x, y);
 }
 
-void DrawGraphicShifted(int x,int y, int dx,int dy, int graphic, int frame,
+void DrawGraphicShifted(int x, int y, int dx, int dy, int graphic, int frame,
                        int cut_mode, int mask_mode)
 {
   Bitmap *src_bitmap;
@@ -1107,13 +1182,13 @@ void DrawGraphicShifted(int x,int y, int dx,int dy, int graphic, int frame,
     BlitBitmap(src_bitmap, drawto_field, src_x, src_y, width, height,
               dest_x, dest_y);
 
-  MarkTileDirty(x,y);
+  MarkTileDirty(x, y);
 }
 
 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);
+  DrawGraphicShifted(x, y, dx, dy, graphic, frame, cut_mode, USE_MASKING);
 }
 
 void DrawScreenElementExt(int x, int y, int dx, int dy, int element,
@@ -1127,7 +1202,7 @@ void DrawScreenElementExt(int x, int y, int dx, int dy, int element,
   {
     SetRandomAnimationValue(lx, ly);
 
-    graphic = el_act_dir2img(element, GfxAction[lx][ly], MovDir[lx][ly]);
+    graphic = el_act_dir2img(element, GfxAction[lx][ly], GfxDir[lx][ly]);
     frame = getGraphicAnimationFrame(graphic, GfxFrame[lx][ly]);
   }
   else /* border element */
@@ -1197,6 +1272,10 @@ void DrawLevelFieldThruMask(int x, int y)
   DrawLevelElementExt(x, y, 0, 0, Feld[x][y], NO_CUTTING, USE_MASKING);
 }
 
+#define TILE_GFX_ELEMENT(x, y)                                             \
+       (GfxElement[x][y] != EL_UNDEFINED && Feld[x][y] != EL_EXPLOSION ?   \
+        GfxElement[x][y] : Feld[x][y])
+
 static void DrawLevelFieldCrumbledSandExt(int x, int y, int graphic, int frame)
 {
   Bitmap *src_bitmap;
@@ -1204,7 +1283,11 @@ static void DrawLevelFieldCrumbledSandExt(int x, int y, int graphic, int frame)
   int sx = SCREENX(x), sy = SCREENY(y);
   int element;
   int width, height, cx, cy, i;
+#if 1
+  int crumbled_border_size = graphic_info[graphic].border_size;
+#else
   int snip = TILEX / 8;        /* number of border pixels from "crumbled graphic" */
+#endif
   static int xy[4][2] =
   {
     { 0, -1 },
@@ -1213,51 +1296,61 @@ static void DrawLevelFieldCrumbledSandExt(int x, int y, int graphic, int frame)
     { 0, +1 }
   };
 
+#if 0
+  if (x == 0 && y == 7)
+    printf("::: %d, %d [%d]\n", GfxElement[x][y], Feld[x][y],
+          crumbled_border_size);
+#endif
+
   if (!IN_LEV_FIELD(x, y))
     return;
 
-  element = (GfxElement[x][y] != EL_UNDEFINED && Feld[x][y] != EL_EXPLOSION ?
-            GfxElement[x][y] : Feld[x][y]);
+  element = TILE_GFX_ELEMENT(x, y);
 
   /* crumble field itself */
-  if (CAN_BE_CRUMBLED(element) && !IS_MOVING(x, y))
+  if (GFX_CRUMBLED(element) && !IS_MOVING(x, y))
   {
     if (!IN_SCR_FIELD(sx, sy))
       return;
 
     getGraphicSource(graphic, frame, &src_bitmap, &src_x, &src_y);
 
-    for(i=0; i<4; i++)
+    for (i = 0; i < 4; i++)
     {
       int xx = x + xy[i][0];
       int yy = y + xy[i][1];
 
+#if 1
+      element = (IN_LEV_FIELD(xx, yy) ? TILE_GFX_ELEMENT(xx, yy) :
+                BorderElement);
+#else
       element = (IN_LEV_FIELD(xx, yy) ? Feld[xx][yy] : BorderElement);
+#endif
 
       /* check if neighbour field is of same type */
-      if (CAN_BE_CRUMBLED(element) && !IS_MOVING(xx, yy))
+      if (GFX_CRUMBLED(element) && !IS_MOVING(xx, yy))
        continue;
 
 #if 0
       if (Feld[x][y] == EL_CUSTOM_START + 123)
        printf("::: crumble [%d] THE CHAOS ENGINE (%d, %d): %d, %d\n",
               i, Feld[x][y], element,
-              CAN_BE_CRUMBLED(element), IS_MOVING(x, y));
+              GFX_CRUMBLED(element), IS_MOVING(x, y));
 #endif
 
       if (i == 1 || i == 2)
       {
-       width = snip;
+       width = crumbled_border_size;
        height = TILEY;
-       cx = (i == 2 ? TILEX - snip : 0);
+       cx = (i == 2 ? TILEX - crumbled_border_size : 0);
        cy = 0;
       }
       else
       {
        width = TILEX;
-       height = snip;
+       height = crumbled_border_size;
        cx = 0;
-       cy = (i == 3 ? TILEY - snip : 0);
+       cy = (i == 3 ? TILEY - crumbled_border_size : 0);
       }
 
       BlitBitmap(src_bitmap, drawto_field, src_x + cx, src_y + cy,
@@ -1268,34 +1361,55 @@ static void DrawLevelFieldCrumbledSandExt(int x, int y, int graphic, int frame)
   }
   else         /* crumble neighbour fields */
   {
+#if 0
     getGraphicSource(graphic, frame, &src_bitmap, &src_x, &src_y);
+#endif
 
-    for(i=0; i<4; 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 1
+      if (!IN_LEV_FIELD(xx, yy) ||
+         !IN_SCR_FIELD(sxx, syy) ||
+         IS_MOVING(xx, yy))
+       continue;
+
+      element = TILE_GFX_ELEMENT(xx, yy);
+
+      if (!GFX_CRUMBLED(element))
+       continue;
+#else
       if (!IN_LEV_FIELD(xx, yy) ||
          !IN_SCR_FIELD(sxx, syy) ||
-         !CAN_BE_CRUMBLED(Feld[xx][yy]) ||
+         !GFX_CRUMBLED(Feld[xx][yy]) ||
          IS_MOVING(xx, yy))
        continue;
+#endif
+
+#if 1
+      graphic = el_act2crm(Feld[xx][yy], ACTION_DEFAULT);
+      crumbled_border_size = graphic_info[graphic].border_size;
+
+      getGraphicSource(graphic, frame, &src_bitmap, &src_x, &src_y);
+#endif
 
       if (i == 1 || i == 2)
       {
-       width = snip;
+       width = crumbled_border_size;
        height = TILEY;
-       cx = (i == 1 ? TILEX - snip : 0);
+       cx = (i == 1 ? TILEX - crumbled_border_size : 0);
        cy = 0;
       }
       else
       {
        width = TILEX;
-       height = snip;
+       height = crumbled_border_size;
        cx = 0;
-       cy = (i==0 ? TILEY-snip : 0);
+       cy = (i == 0 ? TILEY - crumbled_border_size : 0);
       }
 
       BlitBitmap(src_bitmap, drawto_field, src_x + cx, src_y + cy,
@@ -1308,7 +1422,18 @@ static void DrawLevelFieldCrumbledSandExt(int x, int y, int graphic, int frame)
 
 void DrawLevelFieldCrumbledSand(int x, int y)
 {
+#if 1
+  int graphic;
+
+  if (!IN_LEV_FIELD(x, y))
+    return;
+
+  graphic = el_act2crm(Feld[x][y], ACTION_DEFAULT);
+
+  DrawLevelFieldCrumbledSandExt(x, y, graphic, 0);
+#else
   DrawLevelFieldCrumbledSandExt(x, y, IMG_SAND_CRUMBLED, 0);
+#endif
 }
 
 void DrawLevelFieldCrumbledSandDigging(int x, int y, int direction,
@@ -1341,7 +1466,7 @@ void DrawLevelFieldCrumbledSandNeighbours(int x, int y)
   };
   int i;
 
-  for(i=0; i<4; i++)
+  for (i = 0; i < 4; i++)
   {
     int xx = x + xy[i][0];
     int yy = y + xy[i][1];
@@ -1350,7 +1475,7 @@ void DrawLevelFieldCrumbledSandNeighbours(int x, int y)
 
     if (!IN_LEV_FIELD(xx, yy) ||
        !IN_SCR_FIELD(sxx, syy) ||
-       !CAN_BE_CRUMBLED(Feld[xx][yy]) ||
+       !GFX_CRUMBLED(Feld[xx][yy]) ||
        IS_MOVING(xx, yy))
       continue;
 
@@ -1440,7 +1565,13 @@ void DrawScreenField(int x, int y)
       DrawScreenElementShifted(x, y, 0, MovPos[lx][ly], content, cut_mode);
 
     if (content == EL_ACID)
-      DrawLevelElementThruMask(lx, ly + 1, 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);
+
+      DrawLevelElementThruMask(newlx, newly, EL_ACID);
+    }
   }
   else if (IS_BLOCKED(lx, ly))
   {
@@ -1525,29 +1656,147 @@ void DrawMiniElementOrWall(int sx, int sy, int scroll_x, int scroll_y)
     DrawMiniGraphic(sx, sy, el2edimg(getBorderElement(x, y)));
 }
 
-void DrawEnvelopeBorder(int sx, int sy, int ex, int ey)
+void DrawEnvelopeBackground(int envelope_nr, int startx, int starty,
+                           int x, int y, int xsize, int ysize, int font_nr)
 {
-  int border[8][2] =
+  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)
   {
-    { 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             },
-    { EL_EMPTY,                                EL_EMPTY                           }
-  };
-  int steel_type = (BorderElement == EL_STEELWALL ? 0 : 1);
-  int steel_position = (ex == -1 && ey == -1 ? 0 :
-                       ex == +1 && ey == -1 ? 1 :
-                       ex == -1 && ey == +1 ? 2 :
-                       ex == +1 && ey == +1 ? 3 :
-                       ex == -1 || ex == +1 ? 4 :
-                       ey == -1 || ey == +1 ? 5 : 7);
-  int element = border[steel_position][steel_type];
+    ClearRectangle(drawto, dst_x, dst_y, font_width, font_height);
+    return;
+  }
+
+  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 (draw_masked)
+  {
+    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
+    BlitBitmap(src_bitmap, drawto, src_x, src_y, font_width, font_height,
+              dst_x, dst_y);
+}
+
+void AnimateEnvelope(int envelope_nr, int anim_mode, int action)
+{
+  int graphic = IMG_BACKGROUND_ENVELOPE_1 + envelope_nr;
+#if 1
+  Bitmap *src_bitmap = graphic_info[graphic].bitmap;
+  int mask_mode = (src_bitmap != NULL ? BLIT_MASKED : BLIT_ON_BACKGROUND);
+#else
+  boolean draw_masked = graphic_info[graphic].draw_masked;
+  int mask_mode = (draw_masked ? BLIT_MASKED : BLIT_ON_BACKGROUND);
+#endif
+  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_xsize[envelope_nr];
+  int max_ysize = level.envelope_ysize[envelope_nr];
+  int xstart = (anim_mode & ANIM_VERTICAL ? max_xsize : 0);
+  int ystart = (anim_mode & ANIM_HORIZONTAL ? max_ysize : 0);
+  int xend = max_xsize;
+  int yend = (anim_mode != ANIM_DEFAULT ? max_ysize : 0);
+  int xstep = (xstart < xend ? 1 : 0);
+  int ystep = (ystart < yend || xstep == 0 ? 1 : 0);
+  int x, y;
+
+  for (x = xstart, y = ystart; x <= xend && y <= yend; x += xstep, y += ystep)
+  {
+    int xsize = (action == ACTION_CLOSING ? xend - (x - xstart) : x) + 2;
+    int ysize = (action == ACTION_CLOSING ? yend - (y - ystart) : y) + 2;
+    int sx = (SXSIZE - xsize * font_width)  / 2;
+    int sy = (SYSIZE - ysize * font_height) / 2;
+    int xx, yy;
+
+    SetDrawtoField(DRAW_BUFFERED);
+
+    BlitBitmap(fieldbuffer, backbuffer, FX, FY, SXSIZE, SYSIZE, SX, SY);
+
+    SetDrawtoField(DRAW_BACKBUFFER);
+
+    for (yy = 0; yy < ysize; yy++) for (xx = 0; xx < xsize; xx++)
+      DrawEnvelopeBackground(envelope_nr, sx,sy, xx,yy, xsize, ysize, font_nr);
+
+    DrawTextToTextArea(SX + sx + font_width, SY + sy + font_height,
+                      level.envelope_text[envelope_nr], font_nr, max_xsize,
+                      xsize - 2, ysize - 2, mask_mode);
+
+    redraw_mask |= REDRAW_FIELD | REDRAW_FROM_BACKBUFFER;
+    BackToFront();
+
+    WaitUntilDelayReached(&anim_delay, anim_delay_value / 2);
+  }
+}
+
+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 */
+
+  PlaySoundStereo(sound_opening, SOUND_MIDDLE);
+
+  if (anim_mode == ANIM_DEFAULT)
+    AnimateEnvelope(envelope_nr, ANIM_DEFAULT, ACTION_OPENING);
+
+  AnimateEnvelope(envelope_nr, main_anim_mode, ACTION_OPENING);
 
-  DrawMiniGraphic(sx, sy, el2edimg(element));
+  if (tape.playing)
+    Delay(wait_delay_value);
+  else
+    WaitForEventToContinue();
+
+  PlaySoundStereo(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 getMicroGraphicSource(int graphic, Bitmap **bitmap, int *x, int *y)
@@ -1581,8 +1830,8 @@ void DrawLevel()
   SetDrawBackgroundMask(REDRAW_NONE);
   ClearWindow();
 
-  for(x=BX1; x<=BX2; x++)
-    for(y=BY1; y<=BY2; y++)
+  for (x = BX1; x <= BX2; x++)
+    for (y = BY1; y <= BY2; y++)
       DrawScreenField(x, y);
 
   redraw_mask |= REDRAW_FIELD;
@@ -1592,8 +1841,8 @@ 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++)
+  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;
@@ -1613,9 +1862,9 @@ static void DrawMicroLevelExt(int xpos, int ypos, int from_x, int from_y)
   xpos += MICRO_TILEX;
   ypos += MICRO_TILEY;
 
-  for(x=-1; x<=STD_LEV_FIELDX; x++)
+  for (x = -1; x <= STD_LEV_FIELDX; x++)
   {
-    for(y=-1; y<=STD_LEV_FIELDY; y++)
+    for (y = -1; y <= STD_LEV_FIELDY; y++)
     {
       int lx = from_x + x, ly = from_y + y;
 
@@ -1827,23 +2076,47 @@ void WaitForEventToContinue()
 }
 
 #define MAX_REQUEST_LINES              13
-#define MAX_REQUEST_LINE_LEN           7
+#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;
+
+  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;
+      font_nr = FONT_LEVEL_NUMBER;
+
+      break;
+    }
+  }
+
+#if 1
+  /* disable deactivated drawing when quick-loading level tape recording */
+  if (tape.playing && tape.deactivate_display)
+    TapeDeactivateDisplayOff(TRUE);
+#endif
 
 #if 1
   SetMouseCursor(CURSOR_DEFAULT);
 #endif
 
-#if defined(PLATFORM_UNIX)
+#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)
+      req_state & REQUEST_WAIT_FOR_INPUT)
     SendToServer_PausePlaying();
 #endif
 
@@ -1855,12 +2128,15 @@ boolean Request(char *text, unsigned int req_state)
 
   UnmapAllGadgets();
 
-  CloseDoor(DOOR_CLOSE_1);
+  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);
+    /* 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);
+  }
 
   SetDrawBackgroundMask(REDRAW_FIELD | REDRAW_DOOR_1);
 
@@ -1871,15 +2147,15 @@ boolean Request(char *text, unsigned int req_state)
   game_status = GAME_MODE_PSEUDO_DOOR;
 
   /* write text for request */
-  for(ty=0; ty < MAX_REQUEST_LINES; ty++)
+  for (ty = 0; ty < MAX_REQUEST_LINES; ty++)
   {
-    char text_line[MAX_REQUEST_LINE_LEN + 1];
-    int tx, tl, tc;
+    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++)
+    for (tl = 0, tx = 0; tx < max_request_line_len; tl++, tx++)
     {
       tc = *(text + tx);
       if (!tc || tc == ' ')
@@ -1896,9 +2172,9 @@ boolean Request(char *text, unsigned int req_state)
     strncpy(text_line, text, tl);
     text_line[tl] = 0;
 
-    DrawText(DX + (DXSIZE - tl * getFontWidth(FONT_TEXT_2)) / 2,
-            DY + 8 + ty * (getFontHeight(FONT_TEXT_2) + 2),
-            text_line, FONT_TEXT_2);
+    DrawText(DX + (DXSIZE - tl * getFontWidth(font_nr)) / 2,
+            DY + 8 + ty * (getFontHeight(font_nr) + 2),
+            text_line, font_nr);
 
     text += tl + (tc == ' ' ? 1 : 0);
   }
@@ -1933,7 +2209,7 @@ boolean Request(char *text, unsigned int req_state)
   ClearEventQueue();
 #endif
 
-  if (!(req_state & REQUEST_WAIT_FOR))
+  if (!(req_state & REQUEST_WAIT_FOR_INPUT))
   {
     SetDrawBackgroundMask(REDRAW_FIELD);
 
@@ -1953,7 +2229,7 @@ boolean Request(char *text, unsigned int req_state)
   SetMouseCursor(CURSOR_DEFAULT);
 #endif
 
-  while(result < 0)
+  while (result < 0)
   {
     if (PendingEvent())
     {
@@ -2077,59 +2353,70 @@ boolean Request(char *text, unsigned int req_state)
   {
     CloseDoor(DOOR_CLOSE_1);
 
-    if (!(req_state & REQ_STAY_CLOSED) && (old_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);
-      OpenDoor(DOOR_OPEN_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();
 
   SetDrawBackgroundMask(REDRAW_FIELD);
 
-#if defined(PLATFORM_UNIX)
+#if defined(NETWORK_AVALIABLE)
   /* continue network game after request */
   if (options.network &&
       game_status == GAME_MODE_PLAYING &&
-      req_state & REQUEST_WAIT_FOR)
+      req_state & REQUEST_WAIT_FOR_INPUT)
     SendToServer_ContinuePlaying();
 #endif
 
+#if 1
+  /* restore deactivated drawing when quick-loading level tape recording */
+  if (tape.playing && tape.deactivate_display)
+    TapeDeactivateDisplayOn();
+#endif
+
   return result;
 }
 
 unsigned int OpenDoor(unsigned int door_state)
 {
-  unsigned int new_door_state;
-
   if (door_state & DOOR_COPY_BACK)
   {
-    BlitBitmap(bitmap_db_door, bitmap_db_door,
-              DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE + VYSIZE,
-              DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
+    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;
   }
 
-  new_door_state = MoveDoor(door_state);
-
-  return(new_door_state);
+  return MoveDoor(door_state);
 }
 
 unsigned int CloseDoor(unsigned int door_state)
 {
-  unsigned int new_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);
 
-  BlitBitmap(backbuffer, bitmap_db_door,
-            DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
-  BlitBitmap(backbuffer, bitmap_db_door,
-            VX, VY, VXSIZE, VYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY2);
+    if (old_door_state & DOOR_OPEN_2)
+      BlitBitmap(backbuffer, bitmap_db_door,
+                VX, VY, VXSIZE, VYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY2);
 
-  new_door_state = MoveDoor(door_state);
+    door_state &= ~DOOR_NO_COPY_BACK;
+  }
 
-  return(new_door_state);
+  return MoveDoor(door_state);
 }
 
 unsigned int GetDoorState()
@@ -2146,9 +2433,9 @@ 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 = door.step_offset;
-  unsigned long door_delay_value = door.step_delay;
+  unsigned long door_delay = 0;
+  unsigned long door_delay_value;
+  int stepsize = 1;
 
   if (door_state == DOOR_GET_STATE)
     return(door1 | door2);
@@ -2172,13 +2459,18 @@ unsigned int MoveDoor(unsigned int door_state)
   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;
+    stepsize = 20;             /* must be choosen to always draw last frame */
     door_delay_value = 0;
 
+#if 0
     StopSound(SND_DOOR_OPENING);
     StopSound(SND_DOOR_CLOSING);
+#endif
   }
 
   if (global.autoplay_leveldir)
@@ -2189,7 +2481,14 @@ unsigned int MoveDoor(unsigned int door_state)
 
   if (door_state & DOOR_ACTION)
   {
-    if (!(door_state & DOOR_NO_DELAY))
+    boolean door_1_done = !(door_state & DOOR_ACTION_1);
+    boolean door_2_done = !(door_state & DOOR_ACTION_2);
+    int start = ((door_state & DOOR_NO_DELAY) ? DXSIZE : 0);
+    int end = (door_state & DOOR_ACTION_1 &&
+              door_1.anim_mode == ANIM_VERTICAL ? DYSIZE : DXSIZE);
+    int x;
+
+    if (!(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))
@@ -2198,104 +2497,187 @@ unsigned int MoveDoor(unsigned int door_state)
        PlaySoundStereo(SND_DOOR_CLOSING, SOUND_MIDDLE);
     }
 
-    start = ((door_state & DOOR_NO_DELAY) ? DXSIZE : 0);
-
-    for(x=start; x<=DXSIZE; x+=stepsize)
+    for (x = start; x <= end && !(door_1_done && door_2_done); x += stepsize)
     {
       Bitmap *bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
       GC gc = bitmap->stored_clip_gc;
 
-      if (!(door_state & DOOR_NO_DELAY))
-       WaitUntilDelayReached(&door_delay, door_delay_value);
-
       if (door_state & DOOR_ACTION_1)
       {
-       int i = (door_state & DOOR_OPEN_1 ? DXSIZE-x : x);
-       int j = (DXSIZE - i) / 3;
-
-       BlitBitmap(bitmap_db_door, drawto,
-                  DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1 + i/2,
-                  DXSIZE,DYSIZE - i/2, DX, DY);
-
-       ClearRectangle(drawto, DX, DY + DYSIZE - i/2, DXSIZE,i/2);
-
-       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);
+       int a = MIN(x * door_1.step_offset, end);
+       int i = (door_state & DOOR_OPEN_1 ? end - a : a);
+
+       if (x <= a)
+       {
+         BlitBitmap(bitmap_db_door, drawto,
+                    DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1 + i / 2,
+                    DXSIZE, DYSIZE - i / 2, DX, DY);
+
+         ClearRectangle(drawto, DX, DY + DYSIZE - i / 2, DXSIZE, i / 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 i = (door_state & DOOR_OPEN_2 ? VXSIZE - x : x);
-       int j = (VXSIZE - i) / 3;
-
-       BlitBitmap(bitmap_db_door, drawto,
-                  DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY2 + i/2,
-                  VXSIZE, VYSIZE - i/2, VX, VY);
-
-       ClearRectangle(drawto, VX, VY + VYSIZE-i/2, VXSIZE, i/2);
-
-       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);
+       int a = MIN(x * door_2.step_offset, VXSIZE);
+       int i = (door_state & DOOR_OPEN_2 ? VXSIZE - a : a);
+
+       if (x <= VYSIZE)
+       {
+         BlitBitmap(bitmap_db_door, drawto,
+                    DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY2 + i / 2,
+                    VXSIZE, VYSIZE - i / 2, VX, VY);
+
+         ClearRectangle(drawto, VX, VY + VYSIZE - i / 2, VXSIZE, i / 2);
+       }
+
+       if (door_2.anim_mode == ANIM_HORIZONTAL && x <= VXSIZE)
+       {
+         int src1_x = VXSIZE,          src1_y = DOOR_GFX_PAGEY2;
+         int dst1_x = VX + VXSIZE - i, dst1_y = VY;
+         int src2_x = VXSIZE - i,      src2_y = DOOR_GFX_PAGEY2;
+         int dst2_x = VX,              dst2_y = VY;
+         int width = i, height = VYSIZE;
+
+         SetClipOrigin(bitmap, gc, dst1_x - src1_x, dst1_y - src1_y);
+         BlitBitmapMasked(bitmap, drawto, src1_x, src1_y, width, height,
+                          dst1_x, dst1_y);
+
+         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);
       }
 
       BackToFront();
 
       if (game_status == GAME_MODE_MAIN)
        DoAnimation();
+
+      if (!(door_state & DOOR_NO_DELAY))
+       WaitUntilDelayReached(&door_delay, door_delay_value);
     }
   }
 
+#if 0
   if (setup.quick_doors)
   {
     StopSound(SND_DOOR_OPENING);
     StopSound(SND_DOOR_CLOSING);
   }
+#endif
 
   if (door_state & DOOR_ACTION_1)
     door1 = door_state & DOOR_ACTION_1;
@@ -2434,7 +2816,7 @@ void CreateToolButtons()
 {
   int i;
 
-  for (i=0; i<NUM_TOOL_BUTTONS; i++)
+  for (i = 0; i < NUM_TOOL_BUTTONS; i++)
   {
     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
     Bitmap *deco_bitmap = None;
@@ -2492,7 +2874,7 @@ void FreeToolButtons()
 {
   int i;
 
-  for (i=0; i<NUM_TOOL_BUTTONS; i++)
+  for (i = 0; i < NUM_TOOL_BUTTONS; i++)
     FreeGadget(tool_gadget[i]);
 }
 
@@ -2500,7 +2882,7 @@ static void UnmapToolButtons()
 {
   int i;
 
-  for (i=0; i<NUM_TOOL_BUTTONS; i++)
+  for (i = 0; i < NUM_TOOL_BUTTONS; i++)
     UnmapGadget(tool_gadget[i]);
 }
 
@@ -2509,69 +2891,2356 @@ static void HandleToolButtons(struct GadgetInfo *gi)
   request_gadget_id = gi->custom_id;
 }
 
-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_MAGIC_WALL_FILLING:                return EL_MAGIC_WALL_FULL;
-    case EL_MAGIC_WALL_EMPTYING:       return EL_MAGIC_WALL_ACTIVE;
-    case EL_BD_MAGIC_WALL_FILLING:     return EL_BD_MAGIC_WALL_FULL;
-    case EL_BD_MAGIC_WALL_EMPTYING:    return EL_BD_MAGIC_WALL_ACTIVE;
-    case EL_AMOEBA_DROPPING:           return EL_AMOEBA_WET;
-
-    default:                           return element;
-  }
-}
-
-int el_act_dir2img(int element, int action, int direction)
-{
-  element = GFX_ELEMENT(element);
-  direction = MV_DIR_BIT(direction);
-
-  return element_info[element].direction_graphic[action][direction];
-}
-
-static int el_act_dir2crm(int element, int action, int direction)
-{
-  element = GFX_ELEMENT(element);
-  direction = MV_DIR_BIT(direction);
-
-  return element_info[element].direction_crumbled[action][direction];
-}
-
-int el_act2img(int element, int action)
-{
-  element = GFX_ELEMENT(element);
-
-  return element_info[element].graphic[action];
-}
-
-int el_dir2img(int element, int direction)
-{
-  element = GFX_ELEMENT(element);
-
-  return el_act_dir2img(element, ACTION_DEFAULT, direction);
-}
+#if 1
 
-int el2img(int element)
+static struct
 {
-  element = GFX_ELEMENT(element);
+  int element_em;
+  boolean is_rnd_to_em_mapping;
 
-  return element_info[element].graphic[ACTION_DEFAULT];
+  int element_rnd;
+  int action;
+  int direction;
 }
-
-int el2edimg(int element)
+mapping_EM_to_RND_list[] =
 {
-  element = GFX_ELEMENT(element);
-
-  return element_info[element].special_graphic[GFX_SPECIAL_ARG_EDITOR];
-}
+  {
+    Xblank,                            TRUE,
+    EL_EMPTY,                          -1, -1
+  },
+  {
+    Yacid_splash_eB,                   FALSE,
+    EL_EMPTY,                          -1, -1
+  },
+  {
+    Yacid_splash_wB,                   FALSE,
+    EL_EMPTY,                          -1, -1
+  },
 
-int el2preimg(int element)
-{
-  element = GFX_ELEMENT(element);
+#ifdef EM_ENGINE_BAD_ROLL
+  {
+    Xstone_force_e,                    FALSE,
+    EL_ROCK,                           ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Xstone_force_w,                    FALSE,
+    EL_ROCK,                           ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Xnut_force_e,                      FALSE,
+    EL_NUT,                            ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Xnut_force_w,                      FALSE,
+    EL_NUT,                            ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Xspring_force_e,                   FALSE,
+    EL_SPRING,                         ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Xspring_force_w,                   FALSE,
+    EL_SPRING,                         ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Xemerald_force_e,                  FALSE,
+    EL_EMERALD,                                ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Xemerald_force_w,                  FALSE,
+    EL_EMERALD,                                ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Xdiamond_force_e,                  FALSE,
+    EL_DIAMOND,                                ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Xdiamond_force_w,                  FALSE,
+    EL_DIAMOND,                                ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Xbomb_force_e,                     FALSE,
+    EL_BOMB,                           ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Xbomb_force_w,                     FALSE,
+    EL_BOMB,                           ACTION_MOVING, MV_BIT_LEFT
+  },
+#endif
 
-  return element_info[element].special_graphic[GFX_SPECIAL_ARG_PREVIEW];
+  {
+    Xstone,                            TRUE,
+    EL_ROCK,                           -1, -1
+  },
+  {
+    Xstone_pause,                      FALSE,
+    EL_ROCK,                           -1, -1
+  },
+  {
+    Xstone_fall,                       FALSE,
+    EL_ROCK,                           ACTION_FALLING, -1
+  },
+  {
+    Ystone_s,                          FALSE,
+    EL_ROCK,                           ACTION_FALLING, -1
+  },
+  {
+    Ystone_sB,                         FALSE,
+    EL_ROCK,                           ACTION_FALLING, -1
+  },
+  {
+    Ystone_e,                          FALSE,
+    EL_ROCK,                           ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ystone_eB,                         FALSE,
+    EL_ROCK,                           ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ystone_w,                          FALSE,
+    EL_ROCK,                           ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Ystone_wB,                         FALSE,
+    EL_ROCK,                           ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Xnut,                              TRUE,
+    EL_NUT,                            -1, -1
+  },
+  {
+    Xnut_pause,                                FALSE,
+    EL_NUT,                            -1, -1
+  },
+  {
+    Xnut_fall,                         FALSE,
+    EL_NUT,                            ACTION_FALLING, -1
+  },
+  {
+    Ynut_s,                            FALSE,
+    EL_NUT,                            ACTION_FALLING, -1
+  },
+  {
+    Ynut_sB,                           FALSE,
+    EL_NUT,                            ACTION_FALLING, -1
+  },
+  {
+    Ynut_e,                            FALSE,
+    EL_NUT,                            ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ynut_eB,                           FALSE,
+    EL_NUT,                            ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ynut_w,                            FALSE,
+    EL_NUT,                            ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Ynut_wB,                           FALSE,
+    EL_NUT,                            ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Xbug_n,                            TRUE,
+    EL_BUG_UP,                         ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Xbug_e,                            TRUE,
+    EL_BUG_RIGHT,                      ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Xbug_s,                            TRUE,
+    EL_BUG_DOWN,                       ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Xbug_w,                            TRUE,
+    EL_BUG_LEFT,                       ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Xbug_gon,                          FALSE,
+    EL_BUG_UP,                         ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Xbug_goe,                          FALSE,
+    EL_BUG_RIGHT,                      ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Xbug_gos,                          FALSE,
+    EL_BUG_DOWN,                       ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Xbug_gow,                          FALSE,
+    EL_BUG_LEFT,                       ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Ybug_n,                            FALSE,
+    EL_BUG_UP,                         ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Ybug_nB,                           FALSE,
+    EL_BUG_UP,                         ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Ybug_e,                            FALSE,
+    EL_BUG_RIGHT,                      ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ybug_eB,                           FALSE,
+    EL_BUG_RIGHT,                      ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ybug_s,                            FALSE,
+    EL_BUG_DOWN,                       ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Ybug_sB,                           FALSE,
+    EL_BUG_DOWN,                       ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Ybug_w,                            FALSE,
+    EL_BUG_LEFT,                       ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Ybug_wB,                           FALSE,
+    EL_BUG_LEFT,                       ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Ybug_w_n,                          FALSE,
+    EL_BUG_UP,                         ACTION_TURNING_FROM_LEFT, MV_BIT_UP
+  },
+  {
+    Ybug_n_e,                          FALSE,
+    EL_BUG_RIGHT,                      ACTION_TURNING_FROM_UP, MV_BIT_RIGHT
+  },
+  {
+    Ybug_e_s,                          FALSE,
+    EL_BUG_DOWN,                       ACTION_TURNING_FROM_RIGHT, MV_BIT_DOWN
+  },
+  {
+    Ybug_s_w,                          FALSE,
+    EL_BUG_LEFT,                       ACTION_TURNING_FROM_DOWN, MV_BIT_LEFT
+  },
+  {
+    Ybug_e_n,                          FALSE,
+    EL_BUG_UP,                         ACTION_TURNING_FROM_RIGHT, MV_BIT_UP
+  },
+  {
+    Ybug_s_e,                          FALSE,
+    EL_BUG_RIGHT,                      ACTION_TURNING_FROM_DOWN, MV_BIT_RIGHT
+  },
+  {
+    Ybug_w_s,                          FALSE,
+    EL_BUG_DOWN,                       ACTION_TURNING_FROM_LEFT, MV_BIT_DOWN
+  },
+  {
+    Ybug_n_w,                          FALSE,
+    EL_BUG_LEFT,                       ACTION_TURNING_FROM_UP, MV_BIT_LEFT
+  },
+  {
+    Ybug_stone,                                FALSE,
+    EL_ROCK,                           -1, -1
+  },
+  {
+    Ybug_spring,                       FALSE,
+    EL_SPRING,                         -1, -1
+  },
+  {
+    Xtank_n,                           TRUE,
+    EL_SPACESHIP_UP,                   ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Xtank_e,                           TRUE,
+    EL_SPACESHIP_RIGHT,                        ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Xtank_s,                           TRUE,
+    EL_SPACESHIP_DOWN,                 ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Xtank_w,                           TRUE,
+    EL_SPACESHIP_LEFT,                 ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Xtank_gon,                         FALSE,
+    EL_SPACESHIP_UP,                   ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Xtank_goe,                         FALSE,
+    EL_SPACESHIP_RIGHT,                        ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Xtank_gos,                         FALSE,
+    EL_SPACESHIP_DOWN,                 ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Xtank_gow,                         FALSE,
+    EL_SPACESHIP_LEFT,                 ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Ytank_n,                           FALSE,
+    EL_SPACESHIP_UP,                   ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Ytank_nB,                          FALSE,
+    EL_SPACESHIP_UP,                   ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Ytank_e,                           FALSE,
+    EL_SPACESHIP_RIGHT,                        ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ytank_eB,                          FALSE,
+    EL_SPACESHIP_RIGHT,                        ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ytank_s,                           FALSE,
+    EL_SPACESHIP_DOWN,                 ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Ytank_sB,                          FALSE,
+    EL_SPACESHIP_DOWN,                 ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Ytank_w,                           FALSE,
+    EL_SPACESHIP_LEFT,                 ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Ytank_wB,                          FALSE,
+    EL_SPACESHIP_LEFT,                 ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Ytank_w_n,                         FALSE,
+    EL_SPACESHIP_UP,                   ACTION_TURNING_FROM_LEFT, MV_BIT_UP
+  },
+  {
+    Ytank_n_e,                         FALSE,
+    EL_SPACESHIP_RIGHT,                        ACTION_TURNING_FROM_UP, MV_BIT_RIGHT
+  },
+  {
+    Ytank_e_s,                         FALSE,
+    EL_SPACESHIP_DOWN,                 ACTION_TURNING_FROM_RIGHT, MV_BIT_DOWN
+  },
+  {
+    Ytank_s_w,                         FALSE,
+    EL_SPACESHIP_LEFT,                 ACTION_TURNING_FROM_DOWN, MV_BIT_LEFT
+  },
+  {
+    Ytank_e_n,                         FALSE,
+    EL_SPACESHIP_UP,                   ACTION_TURNING_FROM_RIGHT, MV_BIT_UP
+  },
+  {
+    Ytank_s_e,                         FALSE,
+    EL_SPACESHIP_RIGHT,                        ACTION_TURNING_FROM_DOWN, MV_BIT_RIGHT
+  },
+  {
+    Ytank_w_s,                         FALSE,
+    EL_SPACESHIP_DOWN,                 ACTION_TURNING_FROM_LEFT, MV_BIT_DOWN
+  },
+  {
+    Ytank_n_w,                         FALSE,
+    EL_SPACESHIP_LEFT,                 ACTION_TURNING_FROM_UP, MV_BIT_LEFT
+  },
+  {
+    Ytank_stone,                       FALSE,
+    EL_ROCK,                           -1, -1
+  },
+  {
+    Ytank_spring,                      FALSE,
+    EL_SPRING,                         -1, -1
+  },
+  {
+    Xandroid,                          TRUE,
+    EL_EMC_ANDROID,                    -1, -1
+  },
+  {
+    Xandroid_1_n,                      TRUE,
+    EL_EMC_ANDROID_UP,                 ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Xandroid_2_n,                      FALSE,
+    EL_EMC_ANDROID_UP,                 ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Xandroid_1_e,                      TRUE,
+    EL_EMC_ANDROID_RIGHT,              ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Xandroid_2_e,                      FALSE,
+    EL_EMC_ANDROID_RIGHT,              ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Xandroid_1_w,                      TRUE,
+    EL_EMC_ANDROID_LEFT,               ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Xandroid_2_w,                      FALSE,
+    EL_EMC_ANDROID_LEFT,               ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Xandroid_1_s,                      TRUE,
+    EL_EMC_ANDROID_DOWN,               ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Xandroid_2_s,                      FALSE,
+    EL_EMC_ANDROID_DOWN,               ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Yandroid_n,                                FALSE,
+    EL_EMC_ANDROID_UP,                 ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Yandroid_nB,                       FALSE,
+    EL_EMC_ANDROID_UP,                 ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Yandroid_ne,                       FALSE,
+    EL_EMC_ANDROID_RIGHT_UP,   
+  },
+  {
+    Yandroid_neB,                      FALSE,
+    EL_EMC_ANDROID_RIGHT_UP,           -1, -1
+  },
+  {
+    Yandroid_e,                                FALSE,
+    EL_EMC_ANDROID_RIGHT,              ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yandroid_eB,                       FALSE,
+    EL_EMC_ANDROID_RIGHT,              ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yandroid_se,                       FALSE,
+    EL_EMC_ANDROID_RIGHT_DOWN,         -1, -1
+  },
+  {
+    Yandroid_seB,                      FALSE,
+    EL_EMC_ANDROID_RIGHT_DOWN,         -1, -1
+  },
+  {
+    Yandroid_s,                                FALSE,
+    EL_EMC_ANDROID_DOWN,               ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Yandroid_sB,                       FALSE,
+    EL_EMC_ANDROID_DOWN,               ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Yandroid_sw,                       FALSE,
+    EL_EMC_ANDROID_LEFT_DOWN,          -1, -1
+  },
+  {
+    Yandroid_swB,                      FALSE,
+    EL_EMC_ANDROID_LEFT_DOWN,          -1, -1
+  },
+  {
+    Yandroid_w,                                FALSE,
+    EL_EMC_ANDROID_LEFT,               ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Yandroid_wB,                       FALSE,
+    EL_EMC_ANDROID_LEFT,               ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Yandroid_nw,                       FALSE,
+    EL_EMC_ANDROID_LEFT_UP,            -1, -1
+  },
+  {
+    Yandroid_nwB,                      FALSE,
+    EL_EMC_ANDROID_LEFT_UP,            -1, -1
+  },
+  {
+    Xspring,                           TRUE,
+    EL_SPRING,                         -1, -1
+  },
+  {
+    Xspring_pause,                     FALSE,
+    EL_SPRING,                         -1, -1
+  },
+  {
+    Xspring_e,                         FALSE,
+    EL_SPRING,                         ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Xspring_w,                         FALSE,
+    EL_SPRING,                         ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Xspring_fall,                      FALSE,
+    EL_SPRING,                         ACTION_FALLING, -1
+  },
+  {
+    Yspring_s,                         FALSE,
+    EL_SPRING,                         ACTION_FALLING, -1
+  },
+  {
+    Yspring_sB,                                FALSE,
+    EL_SPRING,                         ACTION_FALLING, -1
+  },
+  {
+    Yspring_e,                         FALSE,
+    EL_SPRING,                         ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yspring_eB,                                FALSE,
+    EL_SPRING,                         ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yspring_w,                         FALSE,
+    EL_SPRING,                         ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Yspring_wB,                                FALSE,
+    EL_SPRING,                         ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Yspring_kill_e,                    FALSE,
+    EL_SPRING,                         -1, -1
+  },
+  {
+    Yspring_kill_eB,                   FALSE,
+    EL_SPRING,                         -1, -1
+  },
+  {
+    Yspring_kill_w,                    FALSE,
+    EL_SPRING,                         -1, -1
+  },
+  {
+    Yspring_kill_wB,                   FALSE,
+    EL_SPRING,                         -1, -1
+  },
+  {
+    Xeater_n,                          TRUE,
+    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Xeater_e,                          FALSE,
+    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Xeater_w,                          FALSE,
+    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Xeater_s,                          FALSE,
+    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Yeater_n,                          FALSE,
+    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Yeater_nB,                         FALSE,
+    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Yeater_e,                          FALSE,
+    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yeater_eB,                         FALSE,
+    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yeater_s,                          FALSE,
+    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Yeater_sB,                         FALSE,
+    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Yeater_w,                          FALSE,
+    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Yeater_wB,                         FALSE,
+    EL_YAMYAM,                         ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Yeater_stone,                      FALSE,
+    EL_ROCK,                           -1, -1
+  },
+  {
+    Yeater_spring,                     FALSE,
+    EL_SPRING,                         -1, -1
+  },
+  {
+    Xalien,                            TRUE,
+    EL_ROBOT,                          -1, -1
+  },
+  {
+    Xalien_pause,                      FALSE,
+    EL_ROBOT,                          -1, -1
+  },
+  {
+    Yalien_n,                          FALSE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Yalien_nB,                         FALSE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Yalien_e,                          FALSE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yalien_eB,                         FALSE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yalien_s,                          FALSE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Yalien_sB,                         FALSE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Yalien_w,                          FALSE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Yalien_wB,                         FALSE,
+    EL_ROBOT,                          ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Yalien_stone,                      FALSE,
+    EL_ROCK,                           -1, -1
+  },
+  {
+    Yalien_spring,                     FALSE,
+    EL_SPRING,                         -1, -1
+  },
+  {
+    Xemerald,                          TRUE,
+    EL_EMERALD,                                -1, -1
+  },
+  {
+    Xemerald_pause,                    FALSE,
+    EL_EMERALD,                                -1, -1
+  },
+  {
+    Xemerald_fall,                     FALSE,
+    EL_EMERALD,                                ACTION_FALLING, -1
+  },
+  {
+    Xemerald_shine,                    FALSE,
+    EL_EMERALD,                                -1, -1
+  },
+  {
+    Yemerald_s,                                FALSE,
+    EL_EMERALD,                                ACTION_FALLING, -1
+  },
+  {
+    Yemerald_sB,                       FALSE,
+    EL_EMERALD,                                ACTION_FALLING, -1
+  },
+  {
+    Yemerald_e,                                FALSE,
+    EL_EMERALD,                                ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yemerald_eB,                       FALSE,
+    EL_EMERALD,                                ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yemerald_w,                                FALSE,
+    EL_EMERALD,                                ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Yemerald_wB,                       FALSE,
+    EL_EMERALD,                                ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Yemerald_eat,                      FALSE,
+    EL_EMERALD,                                -1, -1
+  },
+  {
+    Yemerald_stone,                    FALSE,
+    EL_ROCK,                           -1, -1
+  },
+  {
+    Xdiamond,                          TRUE,
+    EL_DIAMOND,                                -1, -1
+  },
+  {
+    Xdiamond_pause,                    FALSE,
+    EL_DIAMOND,                                -1, -1
+  },
+  {
+    Xdiamond_fall,                     FALSE,
+    EL_DIAMOND,                                ACTION_FALLING, -1
+  },
+  {
+    Xdiamond_shine,                    FALSE,
+    EL_DIAMOND,                                -1, -1
+  },
+  {
+    Ydiamond_s,                                FALSE,
+    EL_DIAMOND,                                ACTION_FALLING, -1
+  },
+  {
+    Ydiamond_sB,                       FALSE,
+    EL_DIAMOND,                                ACTION_FALLING, -1
+  },
+  {
+    Ydiamond_e,                                FALSE,
+    EL_DIAMOND,                                ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ydiamond_eB,                       FALSE,
+    EL_DIAMOND,                                ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ydiamond_w,                                FALSE,
+    EL_DIAMOND,                                ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Ydiamond_wB,                       FALSE,
+    EL_DIAMOND,                                ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Ydiamond_eat,                      FALSE,
+    EL_DIAMOND,                                -1, -1
+  },
+  {
+    Ydiamond_stone,                    FALSE,
+    EL_ROCK,                           -1, -1
+  },
+  {
+    Xdrip_fall,                                TRUE,
+    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
+  },
+  {
+    Xdrip_stretch,                     FALSE,
+    EL_AMOEBA_DROP,                    -1, -1
+  },
+  {
+    Xdrip_stretchB,                    FALSE,
+    EL_AMOEBA_DROP,                    -1, -1
+  },
+  {
+    Xdrip_eat,                         FALSE,
+    EL_AMOEBA_DROP,                    -1, -1
+  },
+  {
+    Ydrip_s1,                          FALSE,
+    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
+  },
+  {
+    Ydrip_s1B,                         FALSE,
+    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
+  },
+  {
+    Ydrip_s2,                          FALSE,
+    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
+  },
+  {
+    Ydrip_s2B,                         FALSE,
+    EL_AMOEBA_DROP,                    ACTION_FALLING, -1
+  },
+  {
+    Xbomb,                             TRUE,
+    EL_BOMB,                           -1, -1
+  },
+  {
+    Xbomb_pause,                       FALSE,
+    EL_BOMB,                           -1, -1
+  },
+  {
+    Xbomb_fall,                                FALSE,
+    EL_BOMB,                           ACTION_FALLING, -1
+  },
+  {
+    Ybomb_s,                           FALSE,
+    EL_BOMB,                           ACTION_FALLING, -1
+  },
+  {
+    Ybomb_sB,                          FALSE,
+    EL_BOMB,                           ACTION_FALLING, -1
+  },
+  {
+    Ybomb_e,                           FALSE,
+    EL_BOMB,                           ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ybomb_eB,                          FALSE,
+    EL_BOMB,                           ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ybomb_w,                           FALSE,
+    EL_BOMB,                           ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Ybomb_wB,                          FALSE,
+    EL_BOMB,                           ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Ybomb_eat,                         FALSE,
+    EL_BOMB,                           -1, -1
+  },
+  {
+    Xballoon,                          TRUE,
+    EL_BALLOON,                                -1, -1
+  },
+  {
+    Yballoon_n,                                FALSE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Yballoon_nB,                       FALSE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Yballoon_e,                                FALSE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yballoon_eB,                       FALSE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Yballoon_s,                                FALSE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Yballoon_sB,                       FALSE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Yballoon_w,                                FALSE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Yballoon_wB,                       FALSE,
+    EL_BALLOON,                                ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Xgrass,                            TRUE,
+    EL_SAND,                           -1, -1
+  },
+  {
+    Ygrass_nB,                         FALSE,
+    EL_SAND,                           ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Ygrass_eB,                         FALSE,
+    EL_SAND,                           ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ygrass_sB,                         FALSE,
+    EL_SAND,                           ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Ygrass_wB,                         FALSE,
+    EL_SAND,                           ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Xdirt,                             TRUE,
+    EL_SAND,                           -1, -1
+  },
+  {
+    Ydirt_nB,                          FALSE,
+    EL_SAND,                           ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    Ydirt_eB,                          FALSE,
+    EL_SAND,                           ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    Ydirt_sB,                          FALSE,
+    EL_SAND,                           ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    Ydirt_wB,                          FALSE,
+    EL_SAND,                           ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    Xacid_ne,                          TRUE,
+    EL_ACID_POOL_TOPRIGHT,             -1, -1
+  },
+  {
+    Xacid_se,                          TRUE,
+    EL_ACID_POOL_BOTTOMRIGHT,          -1, -1
+  },
+  {
+    Xacid_s,                           TRUE,
+    EL_ACID_POOL_BOTTOM,               -1, -1
+  },
+  {
+    Xacid_sw,                          TRUE,
+    EL_ACID_POOL_BOTTOMLEFT,           -1, -1
+  },
+  {
+    Xacid_nw,                          TRUE,
+    EL_ACID_POOL_TOPLEFT,              -1, -1
+  },
+  {
+    Xacid_1,                           TRUE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xacid_2,                           FALSE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xacid_3,                           FALSE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xacid_4,                           FALSE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xacid_5,                           FALSE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xacid_6,                           FALSE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xacid_7,                           FALSE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xacid_8,                           FALSE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xball_1,                           TRUE,
+    EL_EMC_GENERATOR_BALL,             -1, -1
+  },
+  {
+    Xball_1B,                          FALSE,
+    EL_EMC_GENERATOR_BALL,             -1, -1
+  },
+  {
+    Xball_2,                           FALSE,
+    EL_EMC_GENERATOR_BALL,             -1, -1
+  },
+  {
+    Xball_2B,                          FALSE,
+    EL_EMC_GENERATOR_BALL,             -1, -1
+  },
+  {
+    Yball_eat,                         FALSE,
+    EL_EMC_GENERATOR_BALL,             -1, -1
+  },
+  {
+    Xgrow_ns,                          TRUE,
+    EL_EXPANDABLE_WALL_VERTICAL,       -1, -1
+  },
+  {
+    Ygrow_ns_eat,                      FALSE,
+    EL_EXPANDABLE_WALL_VERTICAL,       -1, -1
+  },
+  {
+    Xgrow_ew,                          TRUE,
+    EL_EXPANDABLE_WALL_HORIZONTAL,     -1, -1
+  },
+  {
+    Ygrow_ew_eat,                      FALSE,
+    EL_EXPANDABLE_WALL_HORIZONTAL,     -1, -1
+  },
+  {
+    Xwonderwall,                       TRUE,
+    EL_MAGIC_WALL,                     -1, -1
+  },
+  {
+    XwonderwallB,                      FALSE,
+    EL_MAGIC_WALL,                     -1, -1
+  },
+  {
+    Xamoeba_1,                         TRUE,
+    EL_AMOEBA_WET,                     -1, -1
+  },
+  {
+    Xamoeba_2,                         FALSE,
+    EL_AMOEBA_WET,                     -1, -1
+  },
+  {
+    Xamoeba_3,                         FALSE,
+    EL_AMOEBA_WET,                     -1, -1
+  },
+  {
+    Xamoeba_4,                         FALSE,
+    EL_AMOEBA_WET,                     -1, -1
+  },
+  {
+    Xamoeba_5,                         FALSE,
+    EL_AMOEBA_WET,                     -1, -1
+  },
+  {
+    Xamoeba_6,                         FALSE,
+    EL_AMOEBA_WET,                     -1, -1
+  },
+  {
+    Xamoeba_7,                         FALSE,
+    EL_AMOEBA_WET,                     -1, -1
+  },
+  {
+    Xamoeba_8,                         FALSE,
+    EL_AMOEBA_WET,                     -1, -1
+  },
+  {
+    Xdoor_1,                           TRUE,
+    EL_EM_GATE_1,                      -1, -1
+  },
+  {
+    Xdoor_2,                           TRUE,
+    EL_EM_GATE_2,                      -1, -1
+  },
+  {
+    Xdoor_3,                           TRUE,
+    EL_EM_GATE_3,                      -1, -1
+  },
+  {
+    Xdoor_4,                           TRUE,
+    EL_EM_GATE_4,                      -1, -1
+  },
+  {
+    Xdoor_5,                           TRUE,
+    EL_EMC_GATE_5,                     -1, -1
+  },
+  {
+    Xdoor_6,                           TRUE,
+    EL_EMC_GATE_6,                     -1, -1
+  },
+  {
+    Xdoor_7,                           TRUE,
+    EL_EMC_GATE_7,                     -1, -1
+  },
+  {
+    Xdoor_8,                           TRUE,
+    EL_EMC_GATE_8,                     -1, -1
+  },
+  {
+    Xkey_1,                            TRUE,
+    EL_EM_KEY_1,                       -1, -1
+  },
+  {
+    Xkey_2,                            TRUE,
+    EL_EM_KEY_2,                       -1, -1
+  },
+  {
+    Xkey_3,                            TRUE,
+    EL_EM_KEY_3,                       -1, -1
+  },
+  {
+    Xkey_4,                            TRUE,
+    EL_EM_KEY_4,                       -1, -1
+  },
+  {
+    Xkey_5,                            TRUE,
+    EL_EMC_KEY_5,                      -1, -1
+  },
+  {
+    Xkey_6,                            TRUE,
+    EL_EMC_KEY_6,                      -1, -1
+  },
+  {
+    Xkey_7,                            TRUE,
+    EL_EMC_KEY_7,                      -1, -1
+  },
+  {
+    Xkey_8,                            TRUE,
+    EL_EMC_KEY_8,                      -1, -1
+  },
+  {
+    Xwind_n,                           TRUE,
+    EL_BALLOON_SWITCH_UP,              -1, -1
+  },
+  {
+    Xwind_e,                           TRUE,
+    EL_BALLOON_SWITCH_RIGHT,           -1, -1
+  },
+  {
+    Xwind_s,                           TRUE,
+    EL_BALLOON_SWITCH_DOWN,            -1, -1
+  },
+  {
+    Xwind_w,                           TRUE,
+    EL_BALLOON_SWITCH_LEFT,            -1, -1
+  },
+  {
+    Xwind_nesw,                                TRUE,
+    EL_BALLOON_SWITCH_ANY,             -1, -1
+  },
+  {
+    Xwind_stop,                                TRUE,
+    EL_BALLOON_SWITCH_NONE,            -1, -1
+  },
+  {
+    Xexit,                             TRUE,
+    EL_EXIT_CLOSED,                    -1, -1
+  },
+  {
+    Xexit_1,                           TRUE,
+    EL_EXIT_OPEN,                      -1, -1
+  },
+  {
+    Xexit_2,                           FALSE,
+    EL_EXIT_OPEN,                      -1, -1
+  },
+  {
+    Xexit_3,                           FALSE,
+    EL_EXIT_OPEN,                      -1, -1
+  },
+  {
+    Xdynamite,                         TRUE,
+    EL_DYNAMITE,                       -1, -1
+  },
+  {
+    Ydynamite_eat,                     FALSE,
+    EL_DYNAMITE,                       -1, -1
+  },
+  {
+    Xdynamite_1,                       TRUE,
+    EL_DYNAMITE_ACTIVE,                        -1, -1
+  },
+  {
+    Xdynamite_2,                       FALSE,
+    EL_DYNAMITE_ACTIVE,                        -1, -1
+  },
+  {
+    Xdynamite_3,                       FALSE,
+    EL_DYNAMITE_ACTIVE,                        -1, -1
+  },
+  {
+    Xdynamite_4,                       FALSE,
+    EL_DYNAMITE_ACTIVE,                        -1, -1
+  },
+  {
+    Xbumper,                           TRUE,
+    EL_EMC_BUMPER,                     -1, -1
+  },
+  {
+    XbumperB,                          FALSE,
+    EL_EMC_BUMPER,                     -1, -1
+  },
+  {
+    Xwheel,                            TRUE,
+    EL_ROBOT_WHEEL,                    -1, -1
+  },
+  {
+    XwheelB,                           FALSE,
+    EL_ROBOT_WHEEL,                    -1, -1
+  },
+  {
+    Xswitch,                           FALSE,
+    EL_UNKNOWN,                                -1, -1
+  },
+  {
+    XswitchB,                          FALSE,
+    EL_UNKNOWN,                                -1, -1
+  },
+  {
+    Xsand,                             TRUE,
+    EL_QUICKSAND_EMPTY,                        -1, -1
+  },
+  {
+    Xsand_stone,                       TRUE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+  {
+    Xsand_stonein_1,                   FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+  {
+    Xsand_stonein_2,                   FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+  {
+    Xsand_stonein_3,                   FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+  {
+    Xsand_stonein_4,                   FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+  {
+    Xsand_stonesand_1,                 FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+  {
+    Xsand_stonesand_2,                 FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+  {
+    Xsand_stonesand_3,                 FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+  {
+    Xsand_stonesand_4,                 FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+  {
+    Xsand_stoneout_1,                  FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+  {
+    Xsand_stoneout_2,                  FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+  {
+    Xsand_sandstone_1,                 FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+  {
+    Xsand_sandstone_2,                 FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+  {
+    Xsand_sandstone_3,                 FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+  {
+    Xsand_sandstone_4,                 FALSE,
+    EL_QUICKSAND_FULL,                 -1, -1
+  },
+  {
+    Xplant,                            TRUE,
+    EL_EMC_PLANT,                      -1, -1
+  },
+  {
+    Yplant,                            FALSE,
+    EL_EMC_PLANT,                      -1, -1
+  },
+  {
+    Xlenses,                           TRUE,
+    EL_EMC_LENSES,                     -1, -1
+  },
+  {
+    Xmagnify,                          TRUE,
+    EL_EMC_MAGNIFIER,                  -1, -1
+  },
+  {
+    Xdripper,                          FALSE,
+    EL_UNKNOWN,                                -1, -1
+  },
+  {
+    XdripperB,                         FALSE,
+    EL_UNKNOWN,                                -1, -1
+  },
+  {
+    Xfake_blank,                       TRUE,
+    EL_INVISIBLE_WALL,                 -1, -1
+  },
+  {
+    Xfake_blankB,                      FALSE,
+    EL_INVISIBLE_WALL,                 -1, -1
+  },
+  {
+    Xfake_grass,                       TRUE,
+    EL_INVISIBLE_SAND,                 -1, -1
+  },
+  {
+    Xfake_grassB,                      FALSE,
+    EL_INVISIBLE_SAND,                 -1, -1
+  },
+  {
+    Xfake_door_1,                      TRUE,
+    EL_EM_GATE_1_GRAY,                 -1, -1
+  },
+  {
+    Xfake_door_2,                      TRUE,
+    EL_EM_GATE_2_GRAY,                 -1, -1
+  },
+  {
+    Xfake_door_3,                      TRUE,
+    EL_EM_GATE_3_GRAY,                 -1, -1
+  },
+  {
+    Xfake_door_4,                      TRUE,
+    EL_EM_GATE_4_GRAY,                 -1, -1
+  },
+  {
+    Xfake_door_5,                      TRUE,
+    EL_EMC_GATE_5_GRAY,                        -1, -1
+  },
+  {
+    Xfake_door_6,                      TRUE,
+    EL_EMC_GATE_6_GRAY,                        -1, -1
+  },
+  {
+    Xfake_door_7,                      TRUE,
+    EL_EMC_GATE_7_GRAY,                        -1, -1
+  },
+  {
+    Xfake_door_8,                      TRUE,
+    EL_EMC_GATE_8_GRAY,                        -1, -1
+  },
+  {
+    Xsteel_1,                          TRUE,
+    EL_STEELWALL,                      -1, -1
+  },
+  {
+    Xsteel_2,                          FALSE,
+    EL_UNKNOWN,                                -1, -1
+  },
+  {
+    Xsteel_3,                          TRUE,
+    EL_EMC_STEELWALL_1,                        -1, -1
+  },
+  {
+    Xsteel_4,                          FALSE,
+    EL_UNKNOWN,                                -1, -1
+  },
+  {
+    Xwall_1,                           TRUE,
+    EL_WALL,                           -1, -1
+  },
+  {
+    Xwall_2,                           FALSE,
+    EL_UNKNOWN,                                -1, -1
+  },
+  {
+    Xwall_3,                           FALSE,
+    EL_UNKNOWN,                                -1, -1
+  },
+  {
+    Xwall_4,                           FALSE,
+    EL_UNKNOWN,                                -1, -1
+  },
+  {
+    Xround_wall_1,                     TRUE,
+    EL_WALL_SLIPPERY,                  -1, -1
+  },
+  {
+    Xround_wall_2,                     FALSE,
+    EL_UNKNOWN,                                -1, -1
+  },
+  {
+    Xround_wall_3,                     FALSE,
+    EL_UNKNOWN,                                -1, -1
+  },
+  {
+    Xround_wall_4,                     FALSE,
+    EL_UNKNOWN,                                -1, -1
+  },
+  {
+    Xdecor_1,                          FALSE,
+    EL_UNKNOWN,                                -1, -1
+  },
+  {
+    Xdecor_2,                          TRUE,
+    EL_EMC_WALL_6,                     -1, -1
+  },
+  {
+    Xdecor_3,                          TRUE,
+    EL_EMC_WALL_4,                     -1, -1
+  },
+  {
+    Xdecor_4,                          TRUE,
+    EL_EMC_WALL_5,                     -1, -1
+  },
+  {
+    Xdecor_5,                          TRUE,
+    EL_EMC_WALL_7,                     -1, -1
+  },
+  {
+    Xdecor_6,                          TRUE,
+    EL_EMC_WALL_8,                     -1, -1
+  },
+  {
+    Xdecor_7,                          FALSE,
+    EL_UNKNOWN,                                -1, -1
+  },
+  {
+    Xdecor_8,                          TRUE,
+    EL_EMC_WALL_1,                     -1, -1
+  },
+  {
+    Xdecor_9,                          TRUE,
+    EL_EMC_WALL_2,                     -1, -1
+  },
+  {
+    Xdecor_10,                         TRUE,
+    EL_EMC_WALL_3,                     -1, -1
+  },
+  {
+    Xdecor_11,                         FALSE,
+    EL_UNKNOWN,                                -1, -1
+  },
+  {
+    Xdecor_12,                         FALSE,
+    EL_UNKNOWN,                                -1, -1
+  },
+  {
+    Xalpha_0,                          TRUE,
+    EL_CHAR('0'),                      -1, -1
+  },
+  {
+    Xalpha_1,                          TRUE,
+    EL_CHAR('1'),                      -1, -1
+  },
+  {
+    Xalpha_2,                          TRUE,
+    EL_CHAR('2'),                      -1, -1
+  },
+  {
+    Xalpha_3,                          TRUE,
+    EL_CHAR('3'),                      -1, -1
+  },
+  {
+    Xalpha_4,                          TRUE,
+    EL_CHAR('4'),                      -1, -1
+  },
+  {
+    Xalpha_5,                          TRUE,
+    EL_CHAR('5'),                      -1, -1
+  },
+  {
+    Xalpha_6,                          TRUE,
+    EL_CHAR('6'),                      -1, -1
+  },
+  {
+    Xalpha_7,                          TRUE,
+    EL_CHAR('7'),                      -1, -1
+  },
+  {
+    Xalpha_8,                          TRUE,
+    EL_CHAR('8'),                      -1, -1
+  },
+  {
+    Xalpha_9,                          TRUE,
+    EL_CHAR('9'),                      -1, -1
+  },
+  {
+    Xalpha_excla,                      TRUE,
+    EL_CHAR('!'),                      -1, -1
+  },
+  {
+    Xalpha_quote,                      TRUE,
+    EL_CHAR('"'),                      -1, -1
+  },
+  {
+    Xalpha_comma,                      TRUE,
+    EL_CHAR(','),                      -1, -1
+  },
+  {
+    Xalpha_minus,                      TRUE,
+    EL_CHAR('-'),                      -1, -1
+  },
+  {
+    Xalpha_perio,                      TRUE,
+    EL_CHAR('.'),                      -1, -1
+  },
+  {
+    Xalpha_colon,                      TRUE,
+    EL_CHAR(':'),                      -1, -1
+  },
+  {
+    Xalpha_quest,                      TRUE,
+    EL_CHAR('?'),                      -1, -1
+  },
+  {
+    Xalpha_a,                          TRUE,
+    EL_CHAR('A'),                      -1, -1
+  },
+  {
+    Xalpha_b,                          TRUE,
+    EL_CHAR('B'),                      -1, -1
+  },
+  {
+    Xalpha_c,                          TRUE,
+    EL_CHAR('C'),                      -1, -1
+  },
+  {
+    Xalpha_d,                          TRUE,
+    EL_CHAR('D'),                      -1, -1
+  },
+  {
+    Xalpha_e,                          TRUE,
+    EL_CHAR('E'),                      -1, -1
+  },
+  {
+    Xalpha_f,                          TRUE,
+    EL_CHAR('F'),                      -1, -1
+  },
+  {
+    Xalpha_g,                          TRUE,
+    EL_CHAR('G'),                      -1, -1
+  },
+  {
+    Xalpha_h,                          TRUE,
+    EL_CHAR('H'),                      -1, -1
+  },
+  {
+    Xalpha_i,                          TRUE,
+    EL_CHAR('I'),                      -1, -1
+  },
+  {
+    Xalpha_j,                          TRUE,
+    EL_CHAR('J'),                      -1, -1
+  },
+  {
+    Xalpha_k,                          TRUE,
+    EL_CHAR('K'),                      -1, -1
+  },
+  {
+    Xalpha_l,                          TRUE,
+    EL_CHAR('L'),                      -1, -1
+  },
+  {
+    Xalpha_m,                          TRUE,
+    EL_CHAR('M'),                      -1, -1
+  },
+  {
+    Xalpha_n,                          TRUE,
+    EL_CHAR('N'),                      -1, -1
+  },
+  {
+    Xalpha_o,                          TRUE,
+    EL_CHAR('O'),                      -1, -1
+  },
+  {
+    Xalpha_p,                          TRUE,
+    EL_CHAR('P'),                      -1, -1
+  },
+  {
+    Xalpha_q,                          TRUE,
+    EL_CHAR('Q'),                      -1, -1
+  },
+  {
+    Xalpha_r,                          TRUE,
+    EL_CHAR('R'),                      -1, -1
+  },
+  {
+    Xalpha_s,                          TRUE,
+    EL_CHAR('S'),                      -1, -1
+  },
+  {
+    Xalpha_t,                          TRUE,
+    EL_CHAR('T'),                      -1, -1
+  },
+  {
+    Xalpha_u,                          TRUE,
+    EL_CHAR('U'),                      -1, -1
+  },
+  {
+    Xalpha_v,                          TRUE,
+    EL_CHAR('V'),                      -1, -1
+  },
+  {
+    Xalpha_w,                          TRUE,
+    EL_CHAR('W'),                      -1, -1
+  },
+  {
+    Xalpha_x,                          TRUE,
+    EL_CHAR('X'),                      -1, -1
+  },
+  {
+    Xalpha_y,                          TRUE,
+    EL_CHAR('Y'),                      -1, -1
+  },
+  {
+    Xalpha_z,                          TRUE,
+    EL_CHAR('Z'),                      -1, -1
+  },
+  {
+    Xalpha_arrow_e,                    TRUE,
+    EL_CHAR('>'),                      -1, -1
+  },
+  {
+    Xalpha_arrow_w,                    TRUE,
+    EL_CHAR('<'),                      -1, -1
+  },
+  {
+    Xalpha_copyr,                      TRUE,
+    EL_CHAR('©'),                      -1, -1
+  },
+
+  {
+    Zplayer,                           TRUE,
+    EL_PLAYER_1,                       -1, -1
+  },
+
+  {
+    ZBORDER,                           TRUE,
+    EL_EMC_LEVEL_BORDER,               -1, -1
+  },
+
+  {
+    -1,                                        FALSE,
+    -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; mapping_EM_to_RND_list[i].element_em != -1; i++)
+      if (mapping_EM_to_RND_list[i].is_rnd_to_em_mapping)
+       mapping_RND_to_EM[mapping_EM_to_RND_list[i].element_rnd] =
+         mapping_EM_to_RND_list[i].element_em;
+
+    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; mapping_EM_to_RND_list[i].element_em != -1; i++)
+      mapping_EM_to_RND[mapping_EM_to_RND_list[i].element_em] =
+       mapping_EM_to_RND_list[i].element_rnd;
+
+    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;
+}
+
+#else
+
+int map_element_RND_to_EM(int element_rnd)
+{
+  static unsigned short mapping_RND_to_EM[NUM_FILE_ELEMENTS];
+  static boolean mapping_initialized = FALSE;
+
+  struct
+  {
+    int element_em;
+    int element_rnd;
+  }
+  mapping_RND_to_EM_list[] =
+  {
+    { Xblank,                  EL_EMPTY                        },
+    { Xstone,                  EL_ROCK                         },
+    { Xnut,                    EL_NUT                          },
+    { Xbug_n,                  EL_BUG_UP                       },
+    { Xbug_e,                  EL_BUG_RIGHT                    },
+    { Xbug_s,                  EL_BUG_DOWN                     },
+    { Xbug_w,                  EL_BUG_LEFT                     },
+    { Xtank_n,                 EL_SPACESHIP_UP                 },
+    { Xtank_e,                 EL_SPACESHIP_RIGHT              },
+    { Xtank_s,                 EL_SPACESHIP_DOWN               },
+    { Xtank_w,                 EL_SPACESHIP_LEFT               },
+    { Xandroid,                        EL_EMC_ANDROID                  },
+    { Xandroid_1_n,            EL_EMC_ANDROID_UP               },
+    { Xandroid_1_e,            EL_EMC_ANDROID_RIGHT            },
+    { Xandroid_1_w,            EL_EMC_ANDROID_LEFT             },
+    { Xandroid_1_s,            EL_EMC_ANDROID_DOWN             },
+    { Xspring,                 EL_SPRING                       },
+    { Xeater_n,                        EL_YAMYAM                       },
+    { Xalien,                  EL_ROBOT                        },
+    { Xemerald,                        EL_EMERALD                      },
+    { Xdiamond,                        EL_DIAMOND                      },
+    { Xdrip_fall,              EL_AMOEBA_DROP                  },
+    { Xbomb,                   EL_BOMB                         },
+    { Xballoon,                        EL_BALLOON                      },
+    { Xgrass,                  EL_EMC_GRASS                    },
+    { Xdirt,                   EL_SAND                         },
+    { Xacid_ne,                        EL_ACID_POOL_TOPRIGHT           },
+    { Xacid_se,                        EL_ACID_POOL_BOTTOMRIGHT        },
+    { Xacid_s,                 EL_ACID_POOL_BOTTOM             },
+    { Xacid_sw,                        EL_ACID_POOL_BOTTOMLEFT         },
+    { Xacid_nw,                        EL_ACID_POOL_TOPLEFT            },
+    { Xacid_1,                 EL_ACID                         },
+    { Xball_1,                 EL_EMC_GENERATOR_BALL           },
+    { Xgrow_ns,                        EL_EMC_GROW                     },
+    { Xwonderwall,             EL_MAGIC_WALL                   },
+    { Xamoeba_1,               EL_AMOEBA_WET                   },
+    { Xdoor_1,                 EL_EM_GATE_1                    },
+    { Xdoor_2,                 EL_EM_GATE_2                    },
+    { Xdoor_3,                 EL_EM_GATE_3                    },
+    { Xdoor_4,                 EL_EM_GATE_4                    },
+    { Xdoor_5,                 EL_EMC_GATE_5                   },
+    { Xdoor_6,                 EL_EMC_GATE_6                   },
+    { Xdoor_7,                 EL_EMC_GATE_7                   },
+    { Xdoor_8,                 EL_EMC_GATE_8                   },
+    { Xkey_1,                  EL_EM_KEY_1                     },
+    { Xkey_2,                  EL_EM_KEY_2                     },
+    { Xkey_3,                  EL_EM_KEY_3                     },
+    { Xkey_4,                  EL_EM_KEY_4                     },
+    { Xkey_5,                  EL_EMC_KEY_5                    },
+    { Xkey_6,                  EL_EMC_KEY_6                    },
+    { Xkey_7,                  EL_EMC_KEY_7                    },
+    { Xkey_8,                  EL_EMC_KEY_8                    },
+    { Xwind_n,                 EL_BALLOON_SWITCH_UP            },
+    { Xwind_e,                 EL_BALLOON_SWITCH_RIGHT         },
+    { Xwind_s,                 EL_BALLOON_SWITCH_DOWN          },
+    { Xwind_w,                 EL_BALLOON_SWITCH_LEFT          },
+    { Xwind_nesw,              EL_BALLOON_SWITCH_ANY           },
+    { Xwind_stop,              EL_BALLOON_SWITCH_NONE          },
+    { Xexit,                   EL_EXIT_CLOSED                  },
+    { Xexit_1,                 EL_EXIT_OPEN                    },
+    { Xdynamite,               EL_DYNAMITE                     },
+    { Xdynamite_1,             EL_DYNAMITE_ACTIVE              },
+    { Xbumper,                 EL_EMC_BUMPER                   },
+    { Xwheel,                  EL_ROBOT_WHEEL                  },
+    { Xswitch,                 EL_UNKNOWN                      },
+    { Xsand,                   EL_QUICKSAND_EMPTY              },
+    { Xsand_stone,             EL_QUICKSAND_FULL               },
+    { Xplant,                  EL_EMC_PLANT                    },
+    { Xlenses,                 EL_EMC_LENSES                   },
+    { Xmagnify,                        EL_EMC_MAGNIFIER                },
+    { Xdripper,                        EL_UNKNOWN                      },
+    { Xfake_blank,             EL_INVISIBLE_WALL               },
+    { Xfake_grass,             EL_INVISIBLE_SAND               },
+    { Xfake_door_1,            EL_EM_GATE_1_GRAY               },
+    { Xfake_door_2,            EL_EM_GATE_2_GRAY               },
+    { Xfake_door_3,            EL_EM_GATE_3_GRAY               },
+    { Xfake_door_4,            EL_EM_GATE_4_GRAY               },
+    { Xfake_door_5,            EL_EMC_GATE_5_GRAY              },
+    { Xfake_door_6,            EL_EMC_GATE_6_GRAY              },
+    { Xfake_door_7,            EL_EMC_GATE_7_GRAY              },
+    { Xfake_door_8,            EL_EMC_GATE_8_GRAY              },
+    { Xsteel_1,                        EL_STEELWALL                    },
+    { Xsteel_2,                        EL_UNKNOWN                      },
+    { Xsteel_3,                        EL_EMC_STEELWALL_1              },
+    { Xsteel_4,                        EL_UNKNOWN                      },
+    { Xwall_1,                 EL_WALL                         },
+    { Xwall_2,                 EL_UNKNOWN                      },
+    { Xwall_3,                 EL_UNKNOWN                      },
+    { Xwall_4,                 EL_UNKNOWN                      },
+    { Xround_wall_1,           EL_WALL_SLIPPERY                },
+    { Xround_wall_2,           EL_UNKNOWN                      },
+    { Xround_wall_3,           EL_UNKNOWN                      },
+    { Xround_wall_4,           EL_UNKNOWN                      },
+    { Xdecor_1,                        EL_UNKNOWN                      },
+    { Xdecor_2,                        EL_EMC_WALL_6                   },
+    { Xdecor_3,                        EL_EMC_WALL_4                   },
+    { Xdecor_4,                        EL_EMC_WALL_5                   },
+    { Xdecor_5,                        EL_EMC_WALL_7                   },
+    { Xdecor_6,                        EL_EMC_WALL_8                   },
+    { Xdecor_7,                        EL_UNKNOWN                      },
+    { Xdecor_8,                        EL_EMC_WALL_1                   },
+    { Xdecor_9,                        EL_EMC_WALL_2                   },
+    { Xdecor_10,               EL_EMC_WALL_3                   },
+    { Xdecor_11,               EL_UNKNOWN                      },
+    { Xdecor_12,               EL_UNKNOWN                      },
+    { Xalpha_0,                        EL_CHAR('0')                    },
+    { Xalpha_1,                        EL_CHAR('1')                    },
+    { Xalpha_2,                        EL_CHAR('2')                    },
+    { Xalpha_3,                        EL_CHAR('3')                    },
+    { Xalpha_4,                        EL_CHAR('4')                    },
+    { Xalpha_5,                        EL_CHAR('5')                    },
+    { Xalpha_6,                        EL_CHAR('6')                    },
+    { Xalpha_7,                        EL_CHAR('7')                    },
+    { Xalpha_8,                        EL_CHAR('8')                    },
+    { Xalpha_9,                        EL_CHAR('9')                    },
+    { Xalpha_excla,            EL_CHAR('!')                    },
+    { Xalpha_quote,            EL_CHAR('"')                    },
+    { Xalpha_comma,            EL_CHAR(',')                    },
+    { Xalpha_minus,            EL_CHAR('-')                    },
+    { Xalpha_perio,            EL_CHAR('.')                    },
+    { Xalpha_colon,            EL_CHAR(':')                    },
+    { Xalpha_quest,            EL_CHAR('?')                    },
+    { Xalpha_a,                        EL_CHAR('A')                    },
+    { Xalpha_b,                        EL_CHAR('B')                    },
+    { Xalpha_c,                        EL_CHAR('C')                    },
+    { Xalpha_d,                        EL_CHAR('D')                    },
+    { Xalpha_e,                        EL_CHAR('E')                    },
+    { Xalpha_f,                        EL_CHAR('F')                    },
+    { Xalpha_g,                        EL_CHAR('G')                    },
+    { Xalpha_h,                        EL_CHAR('H')                    },
+    { Xalpha_i,                        EL_CHAR('I')                    },
+    { Xalpha_j,                        EL_CHAR('J')                    },
+    { Xalpha_k,                        EL_CHAR('K')                    },
+    { Xalpha_l,                        EL_CHAR('L')                    },
+    { Xalpha_m,                        EL_CHAR('M')                    },
+    { Xalpha_n,                        EL_CHAR('N')                    },
+    { Xalpha_o,                        EL_CHAR('O')                    },
+    { Xalpha_p,                        EL_CHAR('P')                    },
+    { Xalpha_q,                        EL_CHAR('Q')                    },
+    { Xalpha_r,                        EL_CHAR('R')                    },
+    { Xalpha_s,                        EL_CHAR('S')                    },
+    { Xalpha_t,                        EL_CHAR('T')                    },
+    { Xalpha_u,                        EL_CHAR('U')                    },
+    { Xalpha_v,                        EL_CHAR('V')                    },
+    { Xalpha_w,                        EL_CHAR('W')                    },
+    { Xalpha_x,                        EL_CHAR('X')                    },
+    { Xalpha_y,                        EL_CHAR('Y')                    },
+    { Xalpha_z,                        EL_CHAR('Z')                    },
+    { Xalpha_arrow_e,          EL_CHAR('>')                    },
+    { Xalpha_arrow_w,          EL_CHAR('<')                    },
+    { Xalpha_copyr,            EL_CHAR('©')                    },
+
+    { Zplayer,                 EL_PLAYER_1                     },
+    { Zplayer,                 EL_PLAYER_2                     },
+    { Zplayer,                 EL_PLAYER_3                     },
+    { Zplayer,                 EL_PLAYER_4                     },
+
+    { ZBORDER,                 EL_EMC_LEVEL_BORDER             },
+
+    { -1,                      -1                              }
+  };
+
+  if (!mapping_initialized)
+  {
+    int i;
+
+    /* return "Xalpha_quest" for all undefined elements in mapping array */
+    for (i = 0; i < NUM_FILE_ELEMENTS; i++)
+      mapping_RND_to_EM[i] = Xalpha_quest;
+
+    for (i = 0; mapping_RND_to_EM_list[i].element_rnd != -1; i++)
+      mapping_RND_to_EM[mapping_RND_to_EM_list[i].element_rnd] =
+       mapping_RND_to_EM_list[i].element_em;
+
+    mapping_initialized = TRUE;
+  }
+
+  if (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;
+
+  struct
+  {
+    int element_em;
+    int element_rnd;
+  }
+  mapping_EM_to_RND_list[] =
+  {
+    { Xblank,                  EL_EMPTY                        },
+    { Yacid_splash_eB,         EL_EMPTY                        },
+    { Yacid_splash_wB,         EL_EMPTY                        },
+
+#ifdef EM_ENGINE_BAD_ROLL
+    { Xstone_force_e,          EL_ROCK                         },
+    { Xstone_force_w,          EL_ROCK                         },
+    { Xnut_force_e,            EL_NUT                          },
+    { Xnut_force_w,            EL_NUT                          },
+    { Xspring_force_e,         EL_SPRING                       },
+    { Xspring_force_w,         EL_SPRING                       },
+    { Xemerald_force_e,                EL_EMERALD                      },
+    { Xemerald_force_w,                EL_EMERALD                      },
+    { Xdiamond_force_e,                EL_DIAMOND                      },
+    { Xdiamond_force_w,                EL_DIAMOND                      },
+    { Xbomb_force_e,           EL_BOMB                         },
+    { Xbomb_force_w,           EL_BOMB                         },
+#endif
+
+    { Xstone,                  EL_ROCK                         },
+    { Xstone_pause,            EL_ROCK                         },
+    { Xstone_fall,             EL_ROCK                         },
+    { Ystone_s,                        EL_ROCK                         },
+    { Ystone_sB,               EL_ROCK                         },
+    { Ystone_e,                        EL_ROCK                         },
+    { Ystone_eB,               EL_ROCK                         },
+    { Ystone_w,                        EL_ROCK                         },
+    { Ystone_wB,               EL_ROCK                         },
+    { Xnut,                    EL_NUT                          },
+    { Xnut_pause,              EL_NUT                          },
+    { Xnut_fall,               EL_NUT                          },
+    { Ynut_s,                  EL_NUT                          },
+    { Ynut_sB,                 EL_NUT                          },
+    { Ynut_e,                  EL_NUT                          },
+    { Ynut_eB,                 EL_NUT                          },
+    { Ynut_w,                  EL_NUT                          },
+    { Ynut_wB,                 EL_NUT                          },
+    { Xbug_n,                  EL_BUG_UP                       },
+    { Xbug_e,                  EL_BUG_RIGHT                    },
+    { Xbug_s,                  EL_BUG_DOWN                     },
+    { Xbug_w,                  EL_BUG_LEFT                     },
+    { Xbug_gon,                        EL_BUG_UP                       },
+    { Xbug_goe,                        EL_BUG_RIGHT                    },
+    { Xbug_gos,                        EL_BUG_DOWN                     },
+    { Xbug_gow,                        EL_BUG_LEFT                     },
+    { Ybug_n,                  EL_BUG_UP                       },
+    { Ybug_nB,                 EL_BUG_UP                       },
+    { Ybug_e,                  EL_BUG_RIGHT                    },
+    { Ybug_eB,                 EL_BUG_RIGHT                    },
+    { Ybug_s,                  EL_BUG_DOWN                     },
+    { Ybug_sB,                 EL_BUG_DOWN                     },
+    { Ybug_w,                  EL_BUG_LEFT                     },
+    { Ybug_wB,                 EL_BUG_LEFT                     },
+    { Ybug_w_n,                        EL_BUG_UP                       },
+    { Ybug_n_e,                        EL_BUG_RIGHT                    },
+    { Ybug_e_s,                        EL_BUG_DOWN                     },
+    { Ybug_s_w,                        EL_BUG_LEFT                     },
+    { Ybug_e_n,                        EL_BUG_UP                       },
+    { Ybug_s_e,                        EL_BUG_RIGHT                    },
+    { Ybug_w_s,                        EL_BUG_DOWN                     },
+    { Ybug_n_w,                        EL_BUG_LEFT                     },
+    { Ybug_stone,              EL_ROCK                         },
+    { Ybug_spring,             EL_SPRING                       },
+    { Xtank_n,                 EL_SPACESHIP_UP                 },
+    { Xtank_e,                 EL_SPACESHIP_RIGHT              },
+    { Xtank_s,                 EL_SPACESHIP_DOWN               },
+    { Xtank_w,                 EL_SPACESHIP_LEFT               },
+    { Xtank_gon,               EL_SPACESHIP_UP                 },
+    { Xtank_goe,               EL_SPACESHIP_RIGHT              },
+    { Xtank_gos,               EL_SPACESHIP_DOWN               },
+    { Xtank_gow,               EL_SPACESHIP_LEFT               },
+    { Ytank_n,                 EL_SPACESHIP_UP                 },
+    { Ytank_nB,                        EL_SPACESHIP_UP                 },
+    { Ytank_e,                 EL_SPACESHIP_RIGHT              },
+    { Ytank_eB,                        EL_SPACESHIP_RIGHT              },
+    { Ytank_s,                 EL_SPACESHIP_DOWN               },
+    { Ytank_sB,                        EL_SPACESHIP_DOWN               },
+    { Ytank_w,                 EL_SPACESHIP_LEFT               },
+    { Ytank_wB,                        EL_SPACESHIP_LEFT               },
+    { Ytank_w_n,               EL_SPACESHIP_UP                 },
+    { Ytank_n_e,               EL_SPACESHIP_RIGHT              },
+    { Ytank_e_s,               EL_SPACESHIP_DOWN               },
+    { Ytank_s_w,               EL_SPACESHIP_LEFT               },
+    { Ytank_e_n,               EL_SPACESHIP_UP                 },
+    { Ytank_s_e,               EL_SPACESHIP_RIGHT              },
+    { Ytank_w_s,               EL_SPACESHIP_DOWN               },
+    { Ytank_n_w,               EL_SPACESHIP_LEFT               },
+    { Ytank_stone,             EL_ROCK                         },
+    { Ytank_spring,            EL_SPRING                       },
+    { Xandroid,                        EL_EMC_ANDROID                  },
+    { Xandroid_1_n,            EL_EMC_ANDROID_UP               },
+    { Xandroid_2_n,            EL_EMC_ANDROID_UP               },
+    { Xandroid_1_e,            EL_EMC_ANDROID_RIGHT            },
+    { Xandroid_2_e,            EL_EMC_ANDROID_RIGHT            },
+    { Xandroid_1_w,            EL_EMC_ANDROID_LEFT             },
+    { Xandroid_2_w,            EL_EMC_ANDROID_LEFT             },
+    { Xandroid_1_s,            EL_EMC_ANDROID_DOWN             },
+    { Xandroid_2_s,            EL_EMC_ANDROID_DOWN             },
+    { Yandroid_n,              EL_EMC_ANDROID_UP               },
+    { Yandroid_nB,             EL_EMC_ANDROID_UP               },
+    { Yandroid_ne,             EL_EMC_ANDROID_RIGHT_UP         },
+    { Yandroid_neB,            EL_EMC_ANDROID_RIGHT_UP         },
+    { Yandroid_e,              EL_EMC_ANDROID_RIGHT            },
+    { Yandroid_eB,             EL_EMC_ANDROID_RIGHT            },
+    { Yandroid_se,             EL_EMC_ANDROID_RIGHT_DOWN       },
+    { Yandroid_seB,            EL_EMC_ANDROID_RIGHT_DOWN       },
+    { Yandroid_s,              EL_EMC_ANDROID_DOWN             },
+    { Yandroid_sB,             EL_EMC_ANDROID_DOWN             },
+    { Yandroid_sw,             EL_EMC_ANDROID_LEFT_DOWN        },
+    { Yandroid_swB,            EL_EMC_ANDROID_LEFT_DOWN        },
+    { Yandroid_w,              EL_EMC_ANDROID_LEFT             },
+    { Yandroid_wB,             EL_EMC_ANDROID_LEFT             },
+    { Yandroid_nw,             EL_EMC_ANDROID_LEFT_UP          },
+    { Yandroid_nwB,            EL_EMC_ANDROID_LEFT_UP          },
+    { Xspring,                 EL_SPRING                       },
+    { Xspring_pause,           EL_SPRING                       },
+    { Xspring_e,               EL_SPRING                       },
+    { Xspring_w,               EL_SPRING                       },
+    { Xspring_fall,            EL_SPRING                       },
+    { Yspring_s,               EL_SPRING                       },
+    { Yspring_sB,              EL_SPRING                       },
+    { Yspring_e,               EL_SPRING                       },
+    { Yspring_eB,              EL_SPRING                       },
+    { Yspring_w,               EL_SPRING                       },
+    { Yspring_wB,              EL_SPRING                       },
+    { Yspring_kill_e,          EL_SPRING                       },
+    { Yspring_kill_eB,         EL_SPRING                       },
+    { Yspring_kill_w,          EL_SPRING                       },
+    { Yspring_kill_wB,         EL_SPRING                       },
+    { Xeater_n,                        EL_YAMYAM                       },
+    { Xeater_e,                        EL_YAMYAM                       },
+    { Xeater_w,                        EL_YAMYAM                       },
+    { Xeater_s,                        EL_YAMYAM                       },
+    { Yeater_n,                        EL_YAMYAM                       },
+    { Yeater_nB,               EL_YAMYAM                       },
+    { Yeater_e,                        EL_YAMYAM                       },
+    { Yeater_eB,               EL_YAMYAM                       },
+    { Yeater_s,                        EL_YAMYAM                       },
+    { Yeater_sB,               EL_YAMYAM                       },
+    { Yeater_w,                        EL_YAMYAM                       },
+    { Yeater_wB,               EL_YAMYAM                       },
+    { Yeater_stone,            EL_ROCK                         },
+    { Yeater_spring,           EL_SPRING                       },
+    { Xalien,                  EL_ROBOT                        },
+    { Xalien_pause,            EL_ROBOT                        },
+    { Yalien_n,                        EL_ROBOT                        },
+    { Yalien_nB,               EL_ROBOT                        },
+    { Yalien_e,                        EL_ROBOT                        },
+    { Yalien_eB,               EL_ROBOT                        },
+    { Yalien_s,                        EL_ROBOT                        },
+    { Yalien_sB,               EL_ROBOT                        },
+    { Yalien_w,                        EL_ROBOT                        },
+    { Yalien_wB,               EL_ROBOT                        },
+    { Yalien_stone,            EL_ROCK                         },
+    { Yalien_spring,           EL_SPRING                       },
+    { Xemerald,                        EL_EMERALD                      },
+    { Xemerald_pause,          EL_EMERALD                      },
+    { Xemerald_fall,           EL_EMERALD                      },
+    { Xemerald_shine,          EL_EMERALD                      },
+    { Yemerald_s,              EL_EMERALD                      },
+    { Yemerald_sB,             EL_EMERALD                      },
+    { Yemerald_e,              EL_EMERALD                      },
+    { Yemerald_eB,             EL_EMERALD                      },
+    { Yemerald_w,              EL_EMERALD                      },
+    { Yemerald_wB,             EL_EMERALD                      },
+    { Yemerald_eat,            EL_EMERALD                      },
+    { Yemerald_stone,          EL_ROCK                         },
+    { Xdiamond,                        EL_DIAMOND                      },
+    { Xdiamond_pause,          EL_DIAMOND                      },
+    { Xdiamond_fall,           EL_DIAMOND                      },
+    { Xdiamond_shine,          EL_DIAMOND                      },
+    { Ydiamond_s,              EL_DIAMOND                      },
+    { Ydiamond_sB,             EL_DIAMOND                      },
+    { Ydiamond_e,              EL_DIAMOND                      },
+    { Ydiamond_eB,             EL_DIAMOND                      },
+    { Ydiamond_w,              EL_DIAMOND                      },
+    { Ydiamond_wB,             EL_DIAMOND                      },
+    { Ydiamond_eat,            EL_DIAMOND                      },
+    { Ydiamond_stone,          EL_ROCK                         },
+    { Xdrip_fall,              EL_AMOEBA_DROP                  },
+    { Xdrip_stretch,           EL_AMOEBA_DROP                  },
+    { Xdrip_stretchB,          EL_AMOEBA_DROP                  },
+    { Xdrip_eat,               EL_AMOEBA_DROP                  },
+    { Ydrip_s1,                        EL_AMOEBA_DROP                  },
+    { Ydrip_s1B,               EL_AMOEBA_DROP                  },
+    { Ydrip_s2,                        EL_AMOEBA_DROP                  },
+    { Ydrip_s2B,               EL_AMOEBA_DROP                  },
+    { Xbomb,                   EL_BOMB                         },
+    { Xbomb_pause,             EL_BOMB                         },
+    { Xbomb_fall,              EL_BOMB                         },
+    { Ybomb_s,                 EL_BOMB                         },
+    { Ybomb_sB,                        EL_BOMB                         },
+    { Ybomb_e,                 EL_BOMB                         },
+    { Ybomb_eB,                        EL_BOMB                         },
+    { Ybomb_w,                 EL_BOMB                         },
+    { Ybomb_wB,                        EL_BOMB                         },
+    { Ybomb_eat,               EL_BOMB                         },
+    { Xballoon,                        EL_BALLOON                      },
+    { Yballoon_n,              EL_BALLOON                      },
+    { Yballoon_nB,             EL_BALLOON                      },
+    { Yballoon_e,              EL_BALLOON                      },
+    { Yballoon_eB,             EL_BALLOON                      },
+    { Yballoon_s,              EL_BALLOON                      },
+    { Yballoon_sB,             EL_BALLOON                      },
+    { Yballoon_w,              EL_BALLOON                      },
+    { Yballoon_wB,             EL_BALLOON                      },
+    { Xgrass,                  EL_SAND                         },
+    { Ygrass_nB,               EL_SAND                         },
+    { Ygrass_eB,               EL_SAND                         },
+    { Ygrass_sB,               EL_SAND                         },
+    { Ygrass_wB,               EL_SAND                         },
+    { Xdirt,                   EL_SAND                         },
+    { Ydirt_nB,                        EL_SAND                         },
+    { Ydirt_eB,                        EL_SAND                         },
+    { Ydirt_sB,                        EL_SAND                         },
+    { Ydirt_wB,                        EL_SAND                         },
+    { Xacid_ne,                        EL_ACID_POOL_TOPRIGHT           },
+    { Xacid_se,                        EL_ACID_POOL_BOTTOMRIGHT        },
+    { Xacid_s,                 EL_ACID_POOL_BOTTOM             },
+    { Xacid_sw,                        EL_ACID_POOL_BOTTOMLEFT         },
+    { Xacid_nw,                        EL_ACID_POOL_TOPLEFT            },
+    { Xacid_1,                 EL_ACID                         },
+    { Xacid_2,                 EL_ACID                         },
+    { Xacid_3,                 EL_ACID                         },
+    { Xacid_4,                 EL_ACID                         },
+    { Xacid_5,                 EL_ACID                         },
+    { Xacid_6,                 EL_ACID                         },
+    { Xacid_7,                 EL_ACID                         },
+    { Xacid_8,                 EL_ACID                         },
+    { Xball_1,                 EL_EMC_GENERATOR_BALL           },
+    { Xball_1B,                        EL_EMC_GENERATOR_BALL           },
+    { Xball_2,                 EL_EMC_GENERATOR_BALL           },
+    { Xball_2B,                        EL_EMC_GENERATOR_BALL           },
+    { Yball_eat,               EL_EMC_GENERATOR_BALL           },
+    { Xgrow_ns,                        EL_EMC_GROW                     },
+    { Ygrow_ns_eat,            EL_EMC_GROW                     },
+    { Xgrow_ew,                        EL_EMC_GROW                     },
+    { Ygrow_ew_eat,            EL_EMC_GROW                     },
+    { Xwonderwall,             EL_MAGIC_WALL                   },
+    { XwonderwallB,            EL_MAGIC_WALL                   },
+    { Xamoeba_1,               EL_AMOEBA_WET                   },
+    { Xamoeba_2,               EL_AMOEBA_WET                   },
+    { Xamoeba_3,               EL_AMOEBA_WET                   },
+    { Xamoeba_4,               EL_AMOEBA_WET                   },
+    { Xamoeba_5,               EL_AMOEBA_WET                   },
+    { Xamoeba_6,               EL_AMOEBA_WET                   },
+    { Xamoeba_7,               EL_AMOEBA_WET                   },
+    { Xamoeba_8,               EL_AMOEBA_WET                   },
+    { Xdoor_1,                 EL_EM_GATE_1                    },
+    { Xdoor_2,                 EL_EM_GATE_2                    },
+    { Xdoor_3,                 EL_EM_GATE_3                    },
+    { Xdoor_4,                 EL_EM_GATE_4                    },
+    { Xdoor_5,                 EL_EMC_GATE_5                   },
+    { Xdoor_6,                 EL_EMC_GATE_6                   },
+    { Xdoor_7,                 EL_EMC_GATE_7                   },
+    { Xdoor_8,                 EL_EMC_GATE_8                   },
+    { Xkey_1,                  EL_EM_KEY_1                     },
+    { Xkey_2,                  EL_EM_KEY_2                     },
+    { Xkey_3,                  EL_EM_KEY_3                     },
+    { Xkey_4,                  EL_EM_KEY_4                     },
+    { Xkey_5,                  EL_EMC_KEY_5                    },
+    { Xkey_6,                  EL_EMC_KEY_6                    },
+    { Xkey_7,                  EL_EMC_KEY_7                    },
+    { Xkey_8,                  EL_EMC_KEY_8                    },
+    { Xwind_n,                 EL_BALLOON_SWITCH_UP            },
+    { Xwind_e,                 EL_BALLOON_SWITCH_RIGHT         },
+    { Xwind_s,                 EL_BALLOON_SWITCH_DOWN          },
+    { Xwind_w,                 EL_BALLOON_SWITCH_LEFT          },
+    { Xwind_nesw,              EL_BALLOON_SWITCH_ANY           },
+    { Xwind_stop,              EL_BALLOON_SWITCH_NONE          },
+    { Xexit,                   EL_EXIT_CLOSED                  },
+    { Xexit_1,                 EL_EXIT_OPEN                    },
+    { Xexit_2,                 EL_EXIT_OPEN                    },
+    { Xexit_3,                 EL_EXIT_OPEN                    },
+    { Xdynamite,               EL_DYNAMITE                     },
+    { Ydynamite_eat,           EL_DYNAMITE                     },
+    { Xdynamite_1,             EL_DYNAMITE_ACTIVE              },
+    { Xdynamite_2,             EL_DYNAMITE_ACTIVE              },
+    { Xdynamite_3,             EL_DYNAMITE_ACTIVE              },
+    { Xdynamite_4,             EL_DYNAMITE_ACTIVE              },
+    { Xbumper,                 EL_EMC_BUMPER                   },
+    { XbumperB,                        EL_EMC_BUMPER                   },
+    { Xwheel,                  EL_ROBOT_WHEEL                  },
+    { XwheelB,                 EL_ROBOT_WHEEL                  },
+    { Xswitch,                 EL_UNKNOWN                      },
+    { XswitchB,                        EL_UNKNOWN                      },
+    { Xsand,                   EL_QUICKSAND_EMPTY              },
+    { Xsand_stone,             EL_QUICKSAND_FULL               },
+    { Xsand_stonein_1,         EL_QUICKSAND_FULL               },
+    { Xsand_stonein_2,         EL_QUICKSAND_FULL               },
+    { Xsand_stonein_3,         EL_QUICKSAND_FULL               },
+    { Xsand_stonein_4,         EL_QUICKSAND_FULL               },
+    { Xsand_stonesand_1,       EL_QUICKSAND_FULL               },
+    { Xsand_stonesand_2,       EL_QUICKSAND_FULL               },
+    { Xsand_stonesand_3,       EL_QUICKSAND_FULL               },
+    { Xsand_stonesand_4,       EL_QUICKSAND_FULL               },
+    { Xsand_stoneout_1,                EL_QUICKSAND_FULL               },
+    { Xsand_stoneout_2,                EL_QUICKSAND_FULL               },
+    { Xsand_sandstone_1,       EL_QUICKSAND_FULL               },
+    { Xsand_sandstone_2,       EL_QUICKSAND_FULL               },
+    { Xsand_sandstone_3,       EL_QUICKSAND_FULL               },
+    { Xsand_sandstone_4,       EL_QUICKSAND_FULL               },
+    { Xplant,                  EL_EMC_PLANT                    },
+    { Yplant,                  EL_EMC_PLANT                    },
+    { Xlenses,                 EL_EMC_LENSES                   },
+    { Xmagnify,                        EL_EMC_MAGNIFIER                },
+    { Xdripper,                        EL_UNKNOWN                      },
+    { XdripperB,               EL_UNKNOWN                      },
+    { Xfake_blank,             EL_INVISIBLE_WALL               },
+    { Xfake_blankB,            EL_INVISIBLE_WALL               },
+    { Xfake_grass,             EL_INVISIBLE_SAND               },
+    { Xfake_grassB,            EL_INVISIBLE_SAND               },
+    { Xfake_door_1,            EL_EM_GATE_1_GRAY               },
+    { Xfake_door_2,            EL_EM_GATE_2_GRAY               },
+    { Xfake_door_3,            EL_EM_GATE_3_GRAY               },
+    { Xfake_door_4,            EL_EM_GATE_4_GRAY               },
+    { Xfake_door_5,            EL_EMC_GATE_5_GRAY              },
+    { Xfake_door_6,            EL_EMC_GATE_6_GRAY              },
+    { Xfake_door_7,            EL_EMC_GATE_7_GRAY              },
+    { Xfake_door_8,            EL_EMC_GATE_8_GRAY              },
+    { Xsteel_1,                        EL_STEELWALL                    },
+    { Xsteel_2,                        EL_UNKNOWN                      },
+    { Xsteel_3,                        EL_EMC_STEELWALL_1              },
+    { Xsteel_4,                        EL_UNKNOWN                      },
+    { Xwall_1,                 EL_WALL                         },
+    { Xwall_2,                 EL_UNKNOWN                      },
+    { Xwall_3,                 EL_UNKNOWN                      },
+    { Xwall_4,                 EL_UNKNOWN                      },
+    { Xround_wall_1,           EL_WALL_SLIPPERY                },
+    { Xround_wall_2,           EL_UNKNOWN                      },
+    { Xround_wall_3,           EL_UNKNOWN                      },
+    { Xround_wall_4,           EL_UNKNOWN                      },
+    { Xdecor_1,                        EL_UNKNOWN                      },
+    { Xdecor_2,                        EL_EMC_WALL_6                   },
+    { Xdecor_3,                        EL_EMC_WALL_4                   },
+    { Xdecor_4,                        EL_EMC_WALL_5                   },
+    { Xdecor_5,                        EL_EMC_WALL_7                   },
+    { Xdecor_6,                        EL_EMC_WALL_8                   },
+    { Xdecor_7,                        EL_UNKNOWN                      },
+    { Xdecor_8,                        EL_EMC_WALL_1                   },
+    { Xdecor_9,                        EL_EMC_WALL_2                   },
+    { Xdecor_10,               EL_EMC_WALL_3                   },
+    { Xdecor_11,               EL_UNKNOWN                      },
+    { Xdecor_12,               EL_UNKNOWN                      },
+    { Xalpha_0,                        EL_CHAR('0')                    },
+    { Xalpha_1,                        EL_CHAR('1')                    },
+    { Xalpha_2,                        EL_CHAR('2')                    },
+    { Xalpha_3,                        EL_CHAR('3')                    },
+    { Xalpha_4,                        EL_CHAR('4')                    },
+    { Xalpha_5,                        EL_CHAR('5')                    },
+    { Xalpha_6,                        EL_CHAR('6')                    },
+    { Xalpha_7,                        EL_CHAR('7')                    },
+    { Xalpha_8,                        EL_CHAR('8')                    },
+    { Xalpha_9,                        EL_CHAR('9')                    },
+    { Xalpha_excla,            EL_CHAR('!')                    },
+    { Xalpha_quote,            EL_CHAR('"')                    },
+    { Xalpha_comma,            EL_CHAR(',')                    },
+    { Xalpha_minus,            EL_CHAR('-')                    },
+    { Xalpha_perio,            EL_CHAR('.')                    },
+    { Xalpha_colon,            EL_CHAR(':')                    },
+    { Xalpha_quest,            EL_CHAR('?')                    },
+    { Xalpha_a,                        EL_CHAR('A')                    },
+    { Xalpha_b,                        EL_CHAR('B')                    },
+    { Xalpha_c,                        EL_CHAR('C')                    },
+    { Xalpha_d,                        EL_CHAR('D')                    },
+    { Xalpha_e,                        EL_CHAR('E')                    },
+    { Xalpha_f,                        EL_CHAR('F')                    },
+    { Xalpha_g,                        EL_CHAR('G')                    },
+    { Xalpha_h,                        EL_CHAR('H')                    },
+    { Xalpha_i,                        EL_CHAR('I')                    },
+    { Xalpha_j,                        EL_CHAR('J')                    },
+    { Xalpha_k,                        EL_CHAR('K')                    },
+    { Xalpha_l,                        EL_CHAR('L')                    },
+    { Xalpha_m,                        EL_CHAR('M')                    },
+    { Xalpha_n,                        EL_CHAR('N')                    },
+    { Xalpha_o,                        EL_CHAR('O')                    },
+    { Xalpha_p,                        EL_CHAR('P')                    },
+    { Xalpha_q,                        EL_CHAR('Q')                    },
+    { Xalpha_r,                        EL_CHAR('R')                    },
+    { Xalpha_s,                        EL_CHAR('S')                    },
+    { Xalpha_t,                        EL_CHAR('T')                    },
+    { Xalpha_u,                        EL_CHAR('U')                    },
+    { Xalpha_v,                        EL_CHAR('V')                    },
+    { Xalpha_w,                        EL_CHAR('W')                    },
+    { Xalpha_x,                        EL_CHAR('X')                    },
+    { Xalpha_y,                        EL_CHAR('Y')                    },
+    { Xalpha_z,                        EL_CHAR('Z')                    },
+    { Xalpha_arrow_e,          EL_CHAR('>')                    },
+    { Xalpha_arrow_w,          EL_CHAR('<')                    },
+    { Xalpha_copyr,            EL_CHAR('©')                    },
+
+    { Zplayer,                 EL_PLAYER_1                     },
+
+    { ZBORDER,                 EL_EMC_LEVEL_BORDER             },
+
+    { -1,                      -1                              }
+  };
+
+  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; mapping_EM_to_RND_list[i].element_em != -1; i++)
+      mapping_EM_to_RND[mapping_EM_to_RND_list[i].element_em] =
+       mapping_EM_to_RND_list[i].element_rnd;
+
+    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;
+}
+
+#endif
+
+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_MAGIC_WALL_FILLING:                return EL_MAGIC_WALL_FULL;
+    case EL_MAGIC_WALL_EMPTYING:       return EL_MAGIC_WALL_ACTIVE;
+    case EL_BD_MAGIC_WALL_FILLING:     return EL_BD_MAGIC_WALL_FULL;
+    case EL_BD_MAGIC_WALL_EMPTYING:    return EL_BD_MAGIC_WALL_ACTIVE;
+    case EL_AMOEBA_DROPPING:           return EL_AMOEBA_WET;
+
+    default:                           return element;
+  }
+}
+
+int el_act_dir2img(int element, int action, int direction)
+{
+  element = GFX_ELEMENT(element);
+  direction = MV_DIR_BIT(direction);   /* default: MV_NO_MOVING => MV_DOWN */
+
+  return element_info[element].direction_graphic[action][direction];
+}
+
+static int el_act_dir2crm(int element, int action, int direction)
+{
+  element = GFX_ELEMENT(element);
+  direction = MV_DIR_BIT(direction);   /* default: MV_NO_MOVING => MV_DOWN */
+
+  return element_info[element].direction_crumbled[action][direction];
+}
+
+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 getGameFrameDelay_EM(int native_em_game_frame_delay)
+{
+  return (GameFrameDelay == GAME_FRAME_DELAY ? native_em_game_frame_delay :
+         GameFrameDelay);
 }