cleanup of unnecessarily convoluted function call
[rocksndiamonds.git] / src / tools.c
index c1b367a600776bad7a9a9bd163ef8de58e6d74fb..d56532d189d8143d7c4ea734a624d615aad68114 100644 (file)
@@ -500,7 +500,9 @@ void RedrawPlayfield(void)
   if (game_status != GAME_MODE_PLAYING)
     return;
 
-  if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
+  if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
+    RedrawPlayfield_BD(TRUE);
+  else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
     RedrawPlayfield_EM(TRUE);
   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
     RedrawPlayfield_SP(TRUE);
@@ -646,9 +648,11 @@ void DrawMaskedBorderToTarget(int draw_target)
   }
 }
 
-void DrawTileCursor(int draw_target)
+void DrawTileCursor(int draw_target, int drawing_stage)
 {
-  DrawTileCursor_MM(draw_target, game_status == GAME_MODE_PLAYING);
+  int tile_cursor_active = (game_status == GAME_MODE_PLAYING);
+
+  DrawTileCursor_MM(draw_target, drawing_stage, tile_cursor_active);
 }
 
 void BlitScreenToBitmapExt_RND(Bitmap *target_bitmap, int fx, int fy)
@@ -666,7 +670,9 @@ void BlitScreenToBitmap_RND(Bitmap *target_bitmap)
 
 void BlitScreenToBitmap(Bitmap *target_bitmap)
 {
-  if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
+  if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
+    BlitScreenToBitmap_BD(target_bitmap);
+  else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
     BlitScreenToBitmap_EM(target_bitmap);
   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
     BlitScreenToBitmap_SP(target_bitmap);
@@ -1024,6 +1030,10 @@ void FadeOut(int fade_mask)
       fade_type_skip != FADE_MODE_SKIP_FADE_OUT)
     BackToFront();
 
+  // when using BD game engine, cover playfield before fading out after a game
+  if (game_bd.cover_screen)
+    CoverScreen_BD();
+
   SetScreenStates_BeforeFadingOut();
 
   SetTileCursorActive(FALSE);
@@ -1515,6 +1525,11 @@ void SetRandomAnimationValue(int x, int y)
   gfx.anim_random_frame = GfxRandom[x][y];
 }
 
+void SetAnimationFirstLevel(int first_level)
+{
+  gfx.anim_first_level = first_level;
+}
+
 int getGraphicAnimationFrame(int graphic, int sync_frame)
 {
   // animation synchronized with global frame counter, not move position
@@ -2803,12 +2818,14 @@ static void DrawSizedElementExt(int x, int y, int element, int tilesize,
   }
   else
   {
-    int graphic = el2edimg(element);
+    int graphic, frame;
+
+    el2edimg_with_frame(element, &graphic, &frame);
 
     if (masked)
-      DrawSizedGraphicThruMask(x, y, graphic, 0, tilesize);
+      DrawSizedGraphicThruMask(x, y, graphic, frame, tilesize);
     else
-      DrawSizedGraphic(x, y, graphic, 0, tilesize);
+      DrawSizedGraphic(x, y, graphic, frame, tilesize);
   }
 }
 
@@ -3054,6 +3071,8 @@ static void PrepareEnvelopeRequestToScreen(Bitmap *bitmap, int sx, int sy,
   SDLFreeBitmapTextures(request.bitmap);
   SDLCreateBitmapTextures(request.bitmap);
 
+  ResetBitmapAlpha(request.bitmap);
+
   // set envelope request run-time values
   request.sx = sx;
   request.sy = sy;
@@ -3067,7 +3086,11 @@ void DrawEnvelopeRequestToScreen(int drawing_target)
       game.request_active &&
       drawing_target == DRAW_TO_SCREEN)
   {
-    if (graphic_info[IMG_BACKGROUND_REQUEST].draw_masked)
+    struct GraphicInfo *g = &graphic_info[IMG_BACKGROUND_REQUEST];
+
+    SetBitmapAlphaNextBlit(request.bitmap, g->alpha);
+
+    if (g->draw_masked)
       BlitToScreenMasked(request.bitmap, 0, 0, request.xsize, request.ysize,
                         request.sx, request.sy);
     else
@@ -3143,9 +3166,8 @@ static void setRequestPosition(int *x, int *y, boolean add_border_size)
   setRequestPositionExt(x, y, request.width, request.height, add_border_size);
 }
 
-static void DrawEnvelopeRequest(char *text, unsigned int req_state)
+static void DrawEnvelopeRequestText(int sx, int sy, char *text)
 {
-  DrawBuffer *drawto_last = drawto;
   char *text_final = text;
   char *text_door_style = NULL;
   int graphic = IMG_BACKGROUND_REQUEST;
@@ -3162,15 +3184,11 @@ static void DrawEnvelopeRequest(char *text, unsigned int req_state)
   int line_length = max_text_width  / font_width;
   int max_lines   = max_text_height / line_height;
   int text_width = line_length * font_width;
-  int width = request.width;
-  int height = request.height;
-  int tile_size = MAX(request.step_offset, 1);
-  int x_steps = width  / tile_size;
-  int y_steps = height / tile_size;
   int sx_offset = border_size;
   int sy_offset = border_size;
-  int sx, sy;
-  int x, y;
+
+  // force DOOR font inside door area
+  SetFontStatus(GAME_MODE_PSEUDO_DOOR);
 
   if (request.centered)
     sx_offset = (request.width - text_width) / 2;
@@ -3179,6 +3197,13 @@ static void DrawEnvelopeRequest(char *text, unsigned int req_state)
   {
     char *src_text_ptr, *dst_text_ptr;
 
+    if (maxWordLengthInRequestString(text) > line_length)
+    {
+      font_nr = FONT_REQUEST_NARROW;
+      font_width = getFontWidth(font_nr);
+      line_length = max_text_width  / font_width;
+    }
+
     text_door_style = checked_malloc(2 * strlen(text) + 1);
 
     src_text_ptr = text;
@@ -3202,6 +3227,28 @@ static void DrawEnvelopeRequest(char *text, unsigned int req_state)
     text_final = text_door_style;
   }
 
+  DrawTextBuffer(sx + sx_offset, sy + sy_offset, text_final, font_nr,
+                line_length, -1, max_lines, line_spacing, mask_mode,
+                request.autowrap, request.centered, FALSE);
+
+  if (text_door_style)
+    free(text_door_style);
+
+  ResetFontStatus();
+}
+
+static void DrawEnvelopeRequest(char *text, unsigned int req_state)
+{
+  DrawBuffer *drawto_last = drawto;
+  int graphic = IMG_BACKGROUND_REQUEST;
+  int width = request.width;
+  int height = request.height;
+  int tile_size = MAX(request.step_offset, 1);
+  int x_steps = width  / tile_size;
+  int y_steps = height / tile_size;
+  int sx, sy;
+  int x, y;
+
   setRequestPosition(&sx, &sy, FALSE);
 
   // draw complete envelope request to temporary bitmap
@@ -3215,14 +3262,8 @@ static void DrawEnvelopeRequest(char *text, unsigned int req_state)
                                  x, y, x_steps, y_steps,
                                  tile_size, tile_size);
 
-  // force DOOR font inside door area
-  SetFontStatus(GAME_MODE_PSEUDO_DOOR);
-
-  DrawTextBuffer(sx + sx_offset, sy + sy_offset, text_final, font_nr,
-                line_length, -1, max_lines, line_spacing, mask_mode,
-                request.autowrap, request.centered, FALSE);
-
-  ResetFontStatus();
+  // write text for request
+  DrawEnvelopeRequestText(sx, sy, text);
 
   MapToolButtons(req_state);
 
@@ -3231,9 +3272,6 @@ static void DrawEnvelopeRequest(char *text, unsigned int req_state)
 
   // prepare complete envelope request from temporary bitmap
   PrepareEnvelopeRequestToScreen(bitmap_db_store_1, sx, sy, width, height);
-
-  if (text_door_style)
-    free(text_door_style);
 }
 
 static void AnimateEnvelopeRequest(int anim_mode, int action)
@@ -3360,6 +3398,14 @@ static void ShowEnvelopeRequest(char *text, unsigned int req_state, int action)
   game.envelope_active = FALSE;
 }
 
+static Bitmap *GetPreviewTileBitmap(Bitmap *bitmap)
+{
+  if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
+    return GetPreviewTileBitmap_BD(bitmap);
+
+  return bitmap;
+}
+
 static void DrawPreviewElement(int dst_x, int dst_y, int element, int tilesize)
 {
   if (IS_MM_WALL(element))
@@ -3373,6 +3419,10 @@ static void DrawPreviewElement(int dst_x, int dst_y, int element, int tilesize)
     int graphic = el2preimg(element);
 
     getSizedGraphicSource(graphic, 0, tilesize, &src_bitmap, &src_x, &src_y);
+
+    // for BD style levels, maybe use bitmap with level-specific colors
+    src_bitmap = GetPreviewTileBitmap(src_bitmap);
+
     BlitBitmap(src_bitmap, drawto, src_x, src_y, tilesize, tilesize,
               dst_x, dst_y);
   }
@@ -3417,11 +3467,27 @@ void DrawMiniLevel(int size_x, int size_y, int scroll_x, int scroll_y)
   redraw_mask |= REDRAW_FIELD;
 }
 
+static int getPreviewLevelWidth(void)
+{
+  if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
+    return (level.native_bd_level->cave->x2 - level.native_bd_level->cave->x1 + 1);
+
+  return lev_fieldx;
+}
+
+static int getPreviewLevelHeight(void)
+{
+  if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
+    return (level.native_bd_level->cave->y2 - level.native_bd_level->cave->y1 + 1);
+
+  return lev_fieldy;
+}
+
 static void DrawPreviewLevelPlayfield(int from_x, int from_y)
 {
   boolean show_level_border = (BorderElement != EL_EMPTY);
-  int level_xsize = lev_fieldx + (show_level_border ? 2 : 0);
-  int level_ysize = lev_fieldy + (show_level_border ? 2 : 0);
+  int level_xsize = getPreviewLevelWidth()  + (show_level_border ? 2 : 0);
+  int level_ysize = getPreviewLevelHeight() + (show_level_border ? 2 : 0);
   int tile_size = preview.tile_size;
   int preview_width  = preview.xsize * tile_size;
   int preview_height = preview.ysize * tile_size;
@@ -3779,8 +3845,35 @@ void DrawPreviewPlayers(void)
   }
 }
 
+static void PreparePreviewTileBitmap(void)
+{
+  // check if special preview bitmap with level-specific colors should be created
+  if (level.game_engine_type != GAME_ENGINE_TYPE_BD)
+    return;
+
+  // use original sized bitmap (else reduced color palette is lost by downscaling)
+  int original_tilesize = MAX(MINI_TILESIZE, preview.tile_size);
+  int scale_down_factor = original_tilesize / preview.tile_size;
+  Bitmap *src_bitmap;
+  int src_x, src_y;
+  int element_template = EL_BDX_GAME_GRAPHICS_COLOR_TEMPLATE;
+  int graphic_template = el2preimg(element_template);
+  int element_default = EL_BDX_ROCK;
+  int graphic_default = el2preimg(element_default);
+
+  // create special preview bitmap and scale it down to preview tile size
+  getSizedGraphicSource(graphic_template, 0, original_tilesize, &src_bitmap, &src_x, &src_y);
+  PreparePreviewTileBitmap_BD(src_bitmap, scale_down_factor);
+
+  // force using special preview bitmap to replace original preview bitmap
+  getSizedGraphicSource(graphic_default, 0, preview.tile_size, &src_bitmap, &src_x, &src_y);
+  SetPreviewTileBitmapReference_BD(src_bitmap);
+}
+
 void DrawPreviewLevelInitial(void)
 {
+  PreparePreviewTileBitmap();  // only needed for native BD style levels
+
   DrawPreviewLevelExt(TRUE);
   DrawPreviewPlayers();
 }
@@ -4475,10 +4568,6 @@ void WaitForEventToContinue(void)
   }
 }
 
-#define MAX_REQUEST_LINES              13
-#define MAX_REQUEST_LINE_FONT1_LEN     7
-#define MAX_REQUEST_LINE_FONT2_LEN     10
-
 static int RequestHandleEvents(unsigned int req_state, int draw_buffer_game)
 {
   boolean game_ended = (game_status == GAME_MODE_PLAYING && checkGameEnded());
@@ -4589,11 +4678,12 @@ static int RequestHandleEvents(unsigned int req_state, int draw_buffer_game)
                break;
 
              default:
-               // only check clickable animations if no request gadget clicked
-               HandleGlobalAnimClicks(mx, my, button_status, FALSE);
                break;
            }
 
+           // only needed to handle clickable pointer animations here
+           HandleGlobalAnimClicks(mx, my, button_status, FALSE);
+
            break;
          }
 
@@ -4793,6 +4883,12 @@ static int RequestHandleEvents(unsigned int req_state, int draw_buffer_game)
 
 static void DoRequestBefore(void)
 {
+  boolean game_ended = (game_status == GAME_MODE_PLAYING && checkGameEnded());
+
+  // when showing request dialog after game ended, deactivate game panel
+  if (game_ended)
+    game.panel.active = FALSE;
+
   if (game_status == GAME_MODE_PLAYING)
     BlitScreenToBitmap(backbuffer);
 
@@ -4840,23 +4936,54 @@ static void DoRequestAfter(void)
     TapeDeactivateDisplayOn();
 }
 
+static void setRequestDoorTextProperties(char *text,
+                                        int text_spacing,
+                                        int line_spacing,
+                                        int *set_font_nr,
+                                        int *set_max_lines,
+                                        int *set_max_line_length)
+{
+  struct RectWithBorder *vp_door_1 = &viewport.door_1[game_status];
+  struct TextPosInfo *pos = &request.button.confirm;
+  int button_ypos = pos->y;
+  int font_nr = FONT_TEXT_2;
+  int font_width = getFontWidth(font_nr);
+  int font_height = getFontHeight(font_nr);
+  int line_height = font_height + line_spacing;
+  int max_text_width  = vp_door_1->width;
+  int max_text_height = button_ypos - 2 * text_spacing;
+  int max_line_length = max_text_width  / font_width;
+  int max_lines       = max_text_height / line_height;
+
+  if (maxWordLengthInRequestString(text) > max_line_length)
+  {
+    font_nr = FONT_TEXT_1;
+    font_width = getFontWidth(font_nr);
+    max_line_length = max_text_width  / font_width;
+  }
+
+  *set_font_nr = font_nr;
+  *set_max_lines = max_lines;
+  *set_max_line_length = max_line_length;
+}
+
 static void DrawRequestDoorText(char *text)
 {
   char *text_ptr = text;
-  int max_request_line_len = MAX_REQUEST_LINE_FONT1_LEN;
-  int font_nr = FONT_TEXT_2;
+  int text_spacing = 8;
+  int line_spacing = 2;
+  int max_request_lines;
+  int max_request_line_len;
+  int font_nr;
   int ty;
 
   // force DOOR font inside door area
   SetFontStatus(GAME_MODE_PSEUDO_DOOR);
 
-  if (maxWordLengthInRequestString(text) > MAX_REQUEST_LINE_FONT1_LEN)
-  {
-    max_request_line_len = MAX_REQUEST_LINE_FONT2_LEN;
-    font_nr = FONT_TEXT_1;
-  }
+  setRequestDoorTextProperties(text, text_spacing, line_spacing, &font_nr,
+                              &max_request_lines, &max_request_line_len);
 
-  for (text_ptr = text, ty = 0; ty < MAX_REQUEST_LINES; ty++)
+  for (text_ptr = text, ty = 0; ty < max_request_lines; ty++)
   {
     char text_line[max_request_line_len + 1];
     int tx, tl, tc = 0;
@@ -4885,7 +5012,7 @@ static void DrawRequestDoorText(char *text)
     text_line[tl] = 0;
 
     DrawText(DX + (DXSIZE - tl * getFontWidth(font_nr)) / 2,
-            DY + 8 + ty * (getFontHeight(font_nr) + 2),
+            DY + text_spacing + ty * (getFontHeight(font_nr) + line_spacing),
             text_line, font_nr);
 
     text_ptr += tl + (tc == ' ' ? 1 : 0);
@@ -4896,12 +5023,10 @@ static void DrawRequestDoorText(char *text)
 
 static int RequestDoor(char *text, unsigned int req_state)
 {
-  int draw_buffer_last = GetDrawtoField();
   unsigned int old_door_state = GetDoorState();
+  int draw_buffer_last = GetDrawtoField();
   int result;
 
-  DoRequestBefore();
-
   if (old_door_state & DOOR_OPEN_1)
   {
     CloseDoor(DOOR_CLOSE_1);
@@ -4941,8 +5066,6 @@ static int RequestDoor(char *text, unsigned int req_state)
       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
   }
 
-  DoRequestAfter();
-
   return result;
 }
 
@@ -4951,8 +5074,6 @@ static int RequestEnvelope(char *text, unsigned int req_state)
   int draw_buffer_last = GetDrawtoField();
   int result;
 
-  DoRequestBefore();
-
   DrawEnvelopeRequest(text, req_state);
   ShowEnvelopeRequest(text, req_state, ACTION_OPENING);
 
@@ -4963,30 +5084,27 @@ static int RequestEnvelope(char *text, unsigned int req_state)
 
   ShowEnvelopeRequest(text, req_state, ACTION_CLOSING);
 
-  DoRequestAfter();
-
   return result;
 }
 
 int Request(char *text, unsigned int req_state)
 {
-  boolean game_ended = (game_status == GAME_MODE_PLAYING && checkGameEnded());
   boolean overlay_enabled = GetOverlayEnabled();
   int result;
 
-  // when showing request dialog after game ended, deactivate game panel
-  if (game_ended)
-    game.panel.active = FALSE;
-
   game.request_active = TRUE;
 
   SetOverlayEnabled(FALSE);
 
+  DoRequestBefore();
+
   if (global.use_envelope_request)
     result = RequestEnvelope(text, req_state);
   else
     result = RequestDoor(text, req_state);
 
+  DoRequestAfter();
+
   SetOverlayEnabled(overlay_enabled);
 
   game.request_active = FALSE;
@@ -5399,6 +5517,10 @@ unsigned int MoveDoor(unsigned int door_state)
       }
     }
 
+    SetDoorBackgroundImage(IMG_BACKGROUND_DOOR);
+
+    game.any_door_active = TRUE;
+
     for (k = start; k < num_move_steps; k++)
     {
       int last_frame = num_move_steps - 1;     // last frame of this "for" loop
@@ -5464,8 +5586,8 @@ unsigned int MoveDoor(unsigned int door_state)
 
        if (!door_panel_drawn[door_index])
        {
-         ClearRectangle(drawto, door_rect->x, door_rect->y,
-                        door_rect->width, door_rect->height);
+         ClearRectangleOnBackground(drawto, door_rect->x, door_rect->y,
+                                    door_rect->width, door_rect->height);
 
          door_panel_drawn[door_index] = TRUE;
        }
@@ -5593,6 +5715,8 @@ unsigned int MoveDoor(unsigned int door_state)
        BackToFront();
       }
     }
+
+    game.any_door_active = FALSE;
   }
 
   if (door_state & DOOR_ACTION_1)
@@ -5890,185 +6014,1897 @@ static void HandleToolButtons(struct GadgetInfo *gi)
   request_gadget_id = gi->custom_id;
 }
 
-static struct Mapping_EM_to_RND_object
+static int getEngineElement_Ext(int element, int game_engine_type, boolean is_drawing_element)
 {
-  int element_em;
-  boolean is_rnd_to_em_mapping;                // unique mapping EM <-> RND
-  boolean is_backside;                 // backside of moving element
+  int el_empty;
+  int el_player;
+  int el_sand;
+  int el_wall;
+  int el_steelwall;
+  int el_exit_closed;
+
+  if (game_engine_type == -1)
+    game_engine_type = level.game_engine_type;
+
+  if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
+  {
+    el_empty           = EL_EMPTY;
+    el_player          = EL_BDX_PLAYER;
+    el_sand            = EL_BDX_SAND_1;
+    el_wall            = EL_BDX_WALL;
+    el_steelwall       = EL_BDX_STEELWALL;
+    el_exit_closed     = EL_BDX_EXIT_CLOSED;
+  }
+  else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
+  {
+    el_empty           = EL_EMPTY;
+    el_player          = EL_PLAYER_1;
+    el_sand            = EL_SAND;
+    el_wall            = EL_WALL;
+    el_steelwall       = EL_STEELWALL;
+    el_exit_closed     = EL_EM_EXIT_CLOSED;
+  }
+  else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
+  {
+    el_empty           = EL_EMPTY;
+    el_player          = EL_SP_MURPHY;
+    el_sand            = EL_SP_BASE;
+    el_wall            = EL_SP_CHIP_SINGLE;
+    el_steelwall       = EL_SP_HARDWARE_GRAY;
+    el_exit_closed     = EL_SP_EXIT_CLOSED;
+  }
+  else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
+  {
+    el_empty           = EL_EMPTY;
+    el_player          = EL_MM_MCDUFFIN_DOWN;
+    el_sand            = EL_EMPTY;
+    el_wall            = EL_MM_WOODEN_WALL;
+    el_steelwall       = EL_MM_STEEL_WALL;
+    el_exit_closed     = EL_MM_EXIT_CLOSED;
+
+    if (is_drawing_element)
+    {
+      el_wall          = EL_MM_MIRROR_START;
+      el_sand          = EL_MM_WOODEN_WALL;
+    }
+  }
+  else
+  {
+    el_empty           = EL_EMPTY;
+    el_player          = EL_PLAYER_1;
+    el_sand            = EL_SAND;
+    el_wall            = EL_WALL;
+    el_steelwall       = EL_STEELWALL;
+    el_exit_closed     = EL_EXIT_CLOSED;
+  }
+
+  return (element == EL_EMPTY          ? el_empty :
+         element == EL_PLAYER_1        ? el_player :
+         element == EL_SAND            ? el_sand :
+         element == EL_WALL            ? el_wall :
+         element == EL_STEELWALL       ? el_steelwall :
+         element == EL_EXIT_CLOSED     ? el_exit_closed : EL_EMPTY);
+}
+
+int getEngineElement(int element)
+{
+  return getEngineElement_Ext(element, -1, FALSE);
+}
+
+int getDrawingElement(int element)
+{
+  return getEngineElement_Ext(element, -1, TRUE);
+}
+
+static struct Mapping_BD_to_RND_object
+{
+  int element_bd;
+  boolean is_rnd_to_bd_mapping;                // unique mapping BD <-> RND
 
   int element_rnd;
   int action;
   int direction;
 }
-em_object_mapping_list[GAME_TILE_MAX + 1] =
+bd_object_mapping_list[] =
 {
+  // additional RND style elements mapped to BD style elements (must be listed first)
+
   {
-    Zborder,                           FALSE,  FALSE,
-    EL_EMPTY,                          -1, -1
+    O_DIRT,                                    TRUE,
+    EL_SAND,                                   -1, -1
   },
   {
-    Zplayer,                           FALSE,  FALSE,
-    EL_EMPTY,                          -1, -1
+    O_STONE,                                   TRUE,
+    EL_BD_ROCK,                                        -1, -1
   },
-
   {
-    Zbug,                              FALSE,  FALSE,
-    EL_EMPTY,                          -1, -1
+    O_BRICK,                                   TRUE,
+    EL_BD_WALL,                                        -1, -1
   },
   {
-    Ztank,                             FALSE,  FALSE,
-    EL_EMPTY,                          -1, -1
+    O_STEEL,                                   TRUE,
+    EL_STEELWALL,                              -1, -1
   },
   {
-    Zeater,                            FALSE,  FALSE,
-    EL_EMPTY,                          -1, -1
+    O_DIAMOND,                                 TRUE,
+    EL_BD_DIAMOND,                             -1, -1
   },
   {
-    Zdynamite,                         FALSE,  FALSE,
-    EL_EMPTY,                          -1, -1
+    O_INBOX,                                   TRUE,
+    EL_PLAYER_1,                               -1, -1
   },
   {
-    Zboom,                             FALSE,  FALSE,
-    EL_EMPTY,                          -1, -1
+    O_INBOX,                                   TRUE,
+    EL_PLAYER_2,                               -1, -1
   },
-
   {
-    Xchain,                            FALSE,  FALSE,
-    EL_DEFAULT,                                ACTION_EXPLODING, -1
+    O_INBOX,                                   TRUE,
+    EL_PLAYER_3,                               -1, -1
   },
   {
-    Xboom_bug,                         FALSE,  FALSE,
-    EL_BUG,                            ACTION_EXPLODING, -1
+    O_INBOX,                                   TRUE,
+    EL_PLAYER_4,                               -1, -1
   },
   {
-    Xboom_tank,                                FALSE,  FALSE,
-    EL_SPACESHIP,                      ACTION_EXPLODING, -1
+    O_PRE_OUTBOX,                              TRUE,
+    EL_EXIT_CLOSED,                            -1, -1
   },
+
+  // BD style elements with their corresponding RND style elements
+
   {
-    Xboom_android,                     FALSE,  FALSE,
-    EL_EMC_ANDROID,                    ACTION_OTHER, -1
+    O_SPACE,                                   TRUE,
+    EL_EMPTY,                                  -1, -1
   },
   {
-    Xboom_1,                           FALSE,  FALSE,
-    EL_DEFAULT,                                ACTION_EXPLODING, -1
+    O_DIRT,                                    TRUE,
+    EL_BDX_SAND_1,                             -1, -1
   },
   {
-    Xboom_2,                           FALSE,  FALSE,
-    EL_DEFAULT,                                ACTION_EXPLODING, -1
+    O_DIRT_SLOPED_UP_RIGHT,                    TRUE,
+    EL_BDX_SAND_SLOPED_UP_RIGHT,               -1, -1
   },
-
   {
-    Xblank,                            TRUE,   FALSE,
-    EL_EMPTY,                          -1, -1
+    O_DIRT_SLOPED_UP_LEFT,                     TRUE,
+    EL_BDX_SAND_SLOPED_UP_LEFT,                        -1, -1
   },
-
   {
-    Xsplash_e,                         FALSE,  FALSE,
-    EL_ACID_SPLASH_RIGHT,              -1, -1
+    O_DIRT_SLOPED_DOWN_LEFT,                   TRUE,
+    EL_BDX_SAND_SLOPED_DOWN_LEFT,              -1, -1
   },
   {
-    Xsplash_w,                         FALSE,  FALSE,
-    EL_ACID_SPLASH_LEFT,               -1, -1
+    O_DIRT_SLOPED_DOWN_RIGHT,                  TRUE,
+    EL_BDX_SAND_SLOPED_DOWN_RIGHT,             -1, -1
   },
-
   {
-    Xplant,                            TRUE,   FALSE,
-    EL_EMC_PLANT,                      -1, -1
+    O_DIRT_BALL,                               TRUE,
+    EL_BDX_SAND_BALL,                          -1, -1
   },
   {
-    Yplant,                            FALSE,  FALSE,
-    EL_EMC_PLANT,                      -1, -1
+    O_DIRT_BALL_F,                             TRUE,
+    EL_BDX_SAND_BALL_FALLING,                  -1, -1
   },
-
   {
-    Xacid_1,                           TRUE,   FALSE,
-    EL_ACID,                           -1, -1
+    O_DIRT_BALL_F,                             FALSE,
+    EL_BDX_SAND_BALL,                          ACTION_FALLING, -1
   },
   {
-    Xacid_2,                           FALSE,  FALSE,
-    EL_ACID,                           -1, -1
+    O_DIRT_LOOSE,                              TRUE,
+    EL_BDX_SAND_LOOSE,                         -1, -1
   },
   {
-    Xacid_3,                           FALSE,  FALSE,
-    EL_ACID,                           -1, -1
+    O_DIRT_LOOSE_F,                            TRUE,
+    EL_BDX_SAND_LOOSE_FALLING,                 -1, -1
   },
   {
-    Xacid_4,                           FALSE,  FALSE,
-    EL_ACID,                           -1, -1
+    O_DIRT_LOOSE_F,                            FALSE,
+    EL_BDX_SAND_LOOSE,                         ACTION_FALLING, -1
   },
   {
-    Xacid_5,                           FALSE,  FALSE,
-    EL_ACID,                           -1, -1
+    O_DIRT2,                                   TRUE,
+    EL_BDX_SAND_2,                             -1, -1
   },
   {
-    Xacid_6,                           FALSE,  FALSE,
-    EL_ACID,                           -1, -1
+    O_BRICK,                                   TRUE,
+    EL_BDX_WALL,                               -1, -1
   },
   {
-    Xacid_7,                           FALSE,  FALSE,
-    EL_ACID,                           -1, -1
+    O_BRICK_SLOPED_UP_RIGHT,                   TRUE,
+    EL_BDX_WALL_SLOPED_UP_RIGHT,               -1, -1
   },
   {
-    Xacid_8,                           FALSE,  FALSE,
-    EL_ACID,                           -1, -1
+    O_BRICK_SLOPED_UP_LEFT,                    TRUE,
+    EL_BDX_WALL_SLOPED_UP_LEFT,                        -1, -1
   },
-
   {
-    Xfake_acid_1,                      TRUE,   FALSE,
-    EL_EMC_FAKE_ACID,                  -1, -1
+    O_BRICK_SLOPED_DOWN_LEFT,                  TRUE,
+    EL_BDX_WALL_SLOPED_DOWN_LEFT,              -1, -1
   },
   {
-    Xfake_acid_2,                      FALSE,  FALSE,
-    EL_EMC_FAKE_ACID,                  -1, -1
+    O_BRICK_SLOPED_DOWN_RIGHT,                 TRUE,
+    EL_BDX_WALL_SLOPED_DOWN_RIGHT,             -1, -1
   },
   {
-    Xfake_acid_3,                      FALSE,  FALSE,
-    EL_EMC_FAKE_ACID,                  -1, -1
+    O_BRICK_NON_SLOPED,                                TRUE,
+    EL_BDX_WALL_NON_SLOPED,                    -1, -1
   },
   {
-    Xfake_acid_4,                      FALSE,  FALSE,
-    EL_EMC_FAKE_ACID,                  -1, -1
+    O_MAGIC_WALL,                              TRUE,
+    EL_BDX_MAGIC_WALL,                         ACTION_ACTIVE, -1
   },
   {
-    Xfake_acid_5,                      FALSE,  FALSE,
-    EL_EMC_FAKE_ACID,                  -1, -1
+    O_PRE_OUTBOX,                              TRUE,
+    EL_BDX_EXIT_CLOSED,                                -1, -1
   },
   {
-    Xfake_acid_6,                      FALSE,  FALSE,
-    EL_EMC_FAKE_ACID,                  -1, -1
+    O_OUTBOX,                                  TRUE,
+    EL_BDX_EXIT_OPEN,                          -1, -1
   },
   {
-    Xfake_acid_7,                      FALSE,  FALSE,
-    EL_EMC_FAKE_ACID,                  -1, -1
+    O_PRE_INVIS_OUTBOX,                                TRUE,
+    EL_BDX_INVISIBLE_EXIT_CLOSED,              -1, -1
   },
   {
-    Xfake_acid_8,                      FALSE,  FALSE,
-    EL_EMC_FAKE_ACID,                  -1, -1
+    O_INVIS_OUTBOX,                            TRUE,
+    EL_BDX_INVISIBLE_EXIT_OPEN,                        -1, -1
   },
-
   {
-    Xfake_acid_1_player,               FALSE,  FALSE,
-    EL_EMC_FAKE_ACID,                  -1, -1
+    O_STEEL,                                   TRUE,
+    EL_BDX_STEELWALL,                          -1, -1
   },
   {
-    Xfake_acid_2_player,               FALSE,  FALSE,
-    EL_EMC_FAKE_ACID,                  -1, -1
+    O_STEEL_SLOPED_UP_RIGHT,                   TRUE,
+    EL_BDX_STEELWALL_SLOPED_UP_RIGHT,          -1, -1
   },
   {
-    Xfake_acid_3_player,               FALSE,  FALSE,
-    EL_EMC_FAKE_ACID,                  -1, -1
+    O_STEEL_SLOPED_UP_LEFT,                    TRUE,
+    EL_BDX_STEELWALL_SLOPED_UP_LEFT,           -1, -1
   },
   {
-    Xfake_acid_4_player,               FALSE,  FALSE,
-    EL_EMC_FAKE_ACID,                  -1, -1
+    O_STEEL_SLOPED_DOWN_LEFT,                  TRUE,
+    EL_BDX_STEELWALL_SLOPED_DOWN_LEFT,         -1, -1
   },
   {
-    Xfake_acid_5_player,               FALSE,  FALSE,
-    EL_EMC_FAKE_ACID,                  -1, -1
+    O_STEEL_SLOPED_DOWN_RIGHT,                 TRUE,
+    EL_BDX_STEELWALL_SLOPED_DOWN_RIGHT,                -1, -1
   },
   {
-    Xfake_acid_6_player,               FALSE,  FALSE,
-    EL_EMC_FAKE_ACID,                  -1, -1
+    O_STEEL_EXPLODABLE,                                TRUE,
+    EL_BDX_STEELWALL_EXPLODABLE,               -1, -1
+  },
+  {
+    O_STEEL_EATABLE,                           TRUE,
+    EL_BDX_STEELWALL_DIGGABLE,                 -1, -1
+  },
+  {
+    O_BRICK_EATABLE,                           TRUE,
+    EL_BDX_WALL_DIGGABLE,                      -1, -1
+  },
+  {
+    O_STONE,                                   TRUE,
+    EL_BDX_ROCK,                               -1, -1
+  },
+  {
+    O_STONE_F,                                 TRUE,
+    EL_BDX_ROCK_FALLING,                       -1, -1
+  },
+  {
+    O_STONE_F,                                 FALSE,
+    EL_BDX_ROCK,                               ACTION_FALLING, -1
+  },
+  {
+    O_FLYING_STONE,                            TRUE,
+    EL_BDX_FLYING_ROCK,                                -1, -1
+  },
+  {
+    O_FLYING_STONE_F,                          TRUE,
+    EL_BDX_FLYING_ROCK_FLYING,                 -1, -1
+  },
+  {
+    O_FLYING_STONE_F,                          FALSE,
+    EL_BDX_FLYING_ROCK,                                ACTION_FLYING, -1
+  },
+  {
+    O_MEGA_STONE,                              TRUE,
+    EL_BDX_MEGA_ROCK,                          -1, -1
+  },
+  {
+    O_MEGA_STONE_F,                            TRUE,
+    EL_BDX_MEGA_ROCK_FALLING,                  -1, -1
+  },
+  {
+    O_MEGA_STONE_F,                            FALSE,
+    EL_BDX_MEGA_ROCK,                          ACTION_FALLING, -1
+  },
+  {
+    O_DIAMOND,                                 TRUE,
+    EL_BDX_DIAMOND,                            -1, -1
+  },
+  {
+    O_DIAMOND_F,                               TRUE,
+    EL_BDX_DIAMOND_FALLING,                    -1, -1
+  },
+  {
+    O_DIAMOND_F,                               FALSE,
+    EL_BDX_DIAMOND,                            ACTION_FALLING, -1
+  },
+  {
+    O_FLYING_DIAMOND,                          TRUE,
+    EL_BDX_FLYING_DIAMOND,                     -1, -1
+  },
+  {
+    O_FLYING_DIAMOND_F,                                TRUE,
+    EL_BDX_FLYING_DIAMOND_FLYING,              -1, -1
+  },
+  {
+    O_FLYING_DIAMOND_F,                                FALSE,
+    EL_BDX_FLYING_DIAMOND,                     ACTION_FLYING, -1
+  },
+  {
+    O_NUT,                                     TRUE,
+    EL_BDX_NUT,                                        -1, -1
+  },
+  {
+    O_NUT_F,                                   TRUE,
+    EL_BDX_NUT_FALLING,                                -1, -1
+  },
+  {
+    O_NUT_F,                                   FALSE,
+    EL_BDX_NUT,                                        ACTION_FALLING, -1
+  },
+  {
+    O_BLADDER_SPENDER,                         TRUE,
+    EL_BDX_BLADDER_SPENDER,                    -1, -1
+  },
+  {
+    O_INBOX,                                   TRUE,
+    EL_BDX_INBOX,                              -1, -1
+  },
+  {
+    O_H_EXPANDING_WALL,                                TRUE,
+    EL_BDX_EXPANDABLE_WALL_HORIZONTAL,         -1, -1
+  },
+  {
+    O_V_EXPANDING_WALL,                                TRUE,
+    EL_BDX_EXPANDABLE_WALL_VERTICAL,           -1, -1
+  },
+  {
+    O_EXPANDING_WALL,                          TRUE,
+    EL_BDX_EXPANDABLE_WALL_ANY,                        -1, -1
+  },
+  {
+    O_H_EXPANDING_STEEL_WALL,                  TRUE,
+    EL_BDX_EXPANDABLE_STEELWALL_HORIZONTAL,    -1, -1
+  },
+  {
+    O_V_EXPANDING_STEEL_WALL,                  TRUE,
+    EL_BDX_EXPANDABLE_STEELWALL_VERTICAL,      -1, -1
+  },
+  {
+    O_EXPANDING_STEEL_WALL,                    TRUE,
+    EL_BDX_EXPANDABLE_STEELWALL_ANY,           -1, -1
+  },
+  {
+    O_EXPANDING_WALL_SWITCH,                   TRUE,
+    EL_BDX_EXPANDABLE_WALL_SWITCH,             -1, -1
+  },
+  {
+    O_CREATURE_SWITCH,                         TRUE,
+    EL_BDX_CREATURE_SWITCH,                    -1, -1
+  },
+  {
+    O_BITER_SWITCH,                            TRUE,
+    EL_BDX_BITER_SWITCH_1,                     -1, -1
+  },
+  {
+    O_REPLICATOR_SWITCH,                       TRUE,
+    EL_BDX_REPLICATOR_SWITCH,                  -1, -1
+  },
+  {
+    O_CONVEYOR_SWITCH,                         TRUE,
+    EL_BDX_CONVEYOR_SWITCH,                    -1, -1
+  },
+  {
+    O_CONVEYOR_DIR_SWITCH,                     TRUE,
+    EL_BDX_CONVEYOR_DIR_SWITCH,                        -1, -1
+  },
+  {
+    O_ACID,                                    TRUE,
+    EL_BDX_ACID,                               -1, -1
+  },
+  {
+    O_FALLING_WALL,                            TRUE,
+    EL_BDX_FALLING_WALL,                       -1, -1
+  },
+  {
+    O_FALLING_WALL_F,                          TRUE,
+    EL_BDX_FALLING_WALL_FALLING,               -1, -1
+  },
+  {
+    O_FALLING_WALL_F,                          FALSE,
+    EL_BDX_FALLING_WALL,                       ACTION_FALLING, -1
+  },
+  {
+    O_BOX,                                     TRUE,
+    EL_BDX_BOX,                                        -1, -1
+  },
+  {
+    O_TIME_PENALTY,                            TRUE,
+    EL_BDX_TIME_PENALTY,                       -1, -1
+  },
+  {
+    O_GRAVESTONE,                              TRUE,
+    EL_BDX_GRAVESTONE,                         -1, -1
+  },
+  {
+    O_STONE_GLUED,                             TRUE,
+    EL_BDX_ROCK_GLUED,                         -1, -1
+  },
+  {
+    O_DIAMOND_GLUED,                           TRUE,
+    EL_BDX_DIAMOND_GLUED,                      -1, -1
+  },
+  {
+    O_DIAMOND_KEY,                             TRUE,
+    EL_BDX_DIAMOND_KEY,                                -1, -1
+  },
+  {
+    O_TRAPPED_DIAMOND,                         TRUE,
+    EL_BDX_TRAPPED_DIAMOND,                    -1, -1
+  },
+  {
+    O_CLOCK,                                   TRUE,
+    EL_BDX_CLOCK,                              -1, -1
+  },
+  {
+    O_DIRT_GLUED,                              TRUE,
+    EL_BDX_SAND_GLUED,                         -1, -1
+  },
+  {
+    O_KEY_1,                                   TRUE,
+    EL_BDX_KEY_1,                              -1, -1
+  },
+  {
+    O_KEY_2,                                   TRUE,
+    EL_BDX_KEY_2,                              -1, -1
+  },
+  {
+    O_KEY_3,                                   TRUE,
+    EL_BDX_KEY_3,                              -1, -1
+  },
+  {
+    O_DOOR_1,                                  TRUE,
+    EL_BDX_GATE_1,                             -1, -1
+  },
+  {
+    O_DOOR_2,                                  TRUE,
+    EL_BDX_GATE_2,                             -1, -1
+  },
+  {
+    O_DOOR_3,                                  TRUE,
+    EL_BDX_GATE_3,                             -1, -1
+  },
+  {
+    O_POT,                                     TRUE,
+    EL_BDX_POT,                                        -1, -1
+  },
+  {
+    O_GRAVITY_SWITCH,                          TRUE,
+    EL_BDX_GRAVITY_SWITCH,                     -1, -1
+  },
+  {
+    O_PNEUMATIC_HAMMER,                                TRUE,
+    EL_BDX_PNEUMATIC_HAMMER,                   -1, -1
+  },
+  {
+    O_TELEPORTER,                              TRUE,
+    EL_BDX_TELEPORTER,                         -1, -1
+  },
+  {
+    O_SKELETON,                                        TRUE,
+    EL_BDX_SKELETON,                           -1, -1
+  },
+  {
+    O_WATER,                                   TRUE,
+    EL_BDX_WATER,                              -1, -1
+  },
+  {
+    O_WATER_1,                                 TRUE,
+    EL_BDX_WATER_1,                            -1, -1
+  },
+  {
+    O_WATER_1,                                 FALSE,
+    EL_BDX_WATER,                              -1, -1
+  },
+  {
+    O_WATER_2,                                 TRUE,
+    EL_BDX_WATER_2,                            -1, -1
+  },
+  {
+    O_WATER_2,                                 FALSE,
+    EL_BDX_WATER,                              -1, -1
+  },
+  {
+    O_WATER_3,                                 TRUE,
+    EL_BDX_WATER_3,                            -1, -1
+  },
+  {
+    O_WATER_3,                                 FALSE,
+    EL_BDX_WATER,                              -1, -1
+  },
+  {
+    O_WATER_4,                                 TRUE,
+    EL_BDX_WATER_4,                            -1, -1
+  },
+  {
+    O_WATER_4,                                 FALSE,
+    EL_BDX_WATER,                              -1, -1
+  },
+  {
+    O_WATER_5,                                 TRUE,
+    EL_BDX_WATER_5,                            -1, -1
+  },
+  {
+    O_WATER_5,                                 FALSE,
+    EL_BDX_WATER,                              -1, -1
+  },
+  {
+    O_WATER_6,                                 TRUE,
+    EL_BDX_WATER_6,                            -1, -1
+  },
+  {
+    O_WATER_6,                                 FALSE,
+    EL_BDX_WATER,                              -1, -1
+  },
+  {
+    O_WATER_7,                                 TRUE,
+    EL_BDX_WATER_7,                            -1, -1
+  },
+  {
+    O_WATER_7,                                 FALSE,
+    EL_BDX_WATER,                              -1, -1
+  },
+  {
+    O_WATER_8,                                 TRUE,
+    EL_BDX_WATER_8,                            -1, -1
+  },
+  {
+    O_WATER_8,                                 FALSE,
+    EL_BDX_WATER,                              -1, -1
+  },
+  {
+    O_WATER_9,                                 TRUE,
+    EL_BDX_WATER_9,                            -1, -1
+  },
+  {
+    O_WATER_9,                                 FALSE,
+    EL_BDX_WATER,                              -1, -1
+  },
+  {
+    O_WATER_10,                                        TRUE,
+    EL_BDX_WATER_10,                           -1, -1
+  },
+  {
+    O_WATER_10,                                        FALSE,
+    EL_BDX_WATER,                              -1, -1
+  },
+  {
+    O_WATER_11,                                        TRUE,
+    EL_BDX_WATER_11,                           -1, -1
+  },
+  {
+    O_WATER_11,                                        FALSE,
+    EL_BDX_WATER,                              -1, -1
+  },
+  {
+    O_WATER_12,                                        TRUE,
+    EL_BDX_WATER_12,                           -1, -1
+  },
+  {
+    O_WATER_12,                                        FALSE,
+    EL_BDX_WATER,                              -1, -1
+  },
+  {
+    O_WATER_13,                                        TRUE,
+    EL_BDX_WATER_13,                           -1, -1
+  },
+  {
+    O_WATER_13,                                        FALSE,
+    EL_BDX_WATER,                              -1, -1
+  },
+  {
+    O_WATER_14,                                        TRUE,
+    EL_BDX_WATER_14,                           -1, -1
+  },
+  {
+    O_WATER_14,                                        FALSE,
+    EL_BDX_WATER,                              -1, -1
+  },
+  {
+    O_WATER_15,                                        TRUE,
+    EL_BDX_WATER_15,                           -1, -1
+  },
+  {
+    O_WATER_15,                                        FALSE,
+    EL_BDX_WATER,                              -1, -1
+  },
+  {
+    O_WATER_16,                                        TRUE,
+    EL_BDX_WATER_16,                           -1, -1
+  },
+  {
+    O_WATER_16,                                        FALSE,
+    EL_BDX_WATER,                              -1, -1
+  },
+  {
+    O_COW_1,                                   TRUE,
+    EL_BDX_COW_LEFT,                           -1, -1
+  },
+  {
+    O_COW_2,                                   TRUE,
+    EL_BDX_COW_UP,                             -1, -1
+  },
+  {
+    O_COW_3,                                   TRUE,
+    EL_BDX_COW_RIGHT,                          -1, -1
+  },
+  {
+    O_COW_4,                                   TRUE,
+    EL_BDX_COW_DOWN,                           -1, -1
+  },
+  {
+    O_COW_ENCLOSED_1,                          TRUE,
+    EL_BDX_COW_ENCLOSED_1,                     -1, -1
+  },
+  {
+    O_COW_ENCLOSED_1,                          FALSE,
+    EL_BDX_COW_DOWN,                           -1, -1
+  },
+  {
+    O_COW_ENCLOSED_2,                          TRUE,
+    EL_BDX_COW_ENCLOSED_2,                     -1, -1
+  },
+  {
+    O_COW_ENCLOSED_2,                          FALSE,
+    EL_BDX_COW_DOWN,                           -1, -1
+  },
+  {
+    O_COW_ENCLOSED_3,                          TRUE,
+    EL_BDX_COW_ENCLOSED_3,                     -1, -1
+  },
+  {
+    O_COW_ENCLOSED_3,                          FALSE,
+    EL_BDX_COW_DOWN,                           -1, -1
+  },
+  {
+    O_COW_ENCLOSED_4,                          TRUE,
+    EL_BDX_COW_ENCLOSED_4,                     -1, -1
+  },
+  {
+    O_COW_ENCLOSED_4,                          FALSE,
+    EL_BDX_COW_DOWN,                           -1, -1
+  },
+  {
+    O_COW_ENCLOSED_5,                          TRUE,
+    EL_BDX_COW_ENCLOSED_5,                     -1, -1
+  },
+  {
+    O_COW_ENCLOSED_5,                          FALSE,
+    EL_BDX_COW_DOWN,                           -1, -1
+  },
+  {
+    O_COW_ENCLOSED_6,                          TRUE,
+    EL_BDX_COW_ENCLOSED_6,                     -1, -1
+  },
+  {
+    O_COW_ENCLOSED_6,                          FALSE,
+    EL_BDX_COW_DOWN,                           -1, -1
+  },
+  {
+    O_COW_ENCLOSED_7,                          TRUE,
+    EL_BDX_COW_ENCLOSED_7,                     -1, -1
+  },
+  {
+    O_COW_ENCLOSED_7,                          FALSE,
+    EL_BDX_COW_DOWN,                           -1, -1
+  },
+  {
+    O_WALLED_DIAMOND,                          TRUE,
+    EL_BDX_WALL_DIAMOND,                       -1, -1
+  },
+  {
+    O_WALLED_KEY_1,                            TRUE,
+    EL_BDX_WALL_KEY_1,                         -1, -1
+  },
+  {
+    O_WALLED_KEY_2,                            TRUE,
+    EL_BDX_WALL_KEY_2,                         -1, -1
+  },
+  {
+    O_WALLED_KEY_3,                            TRUE,
+    EL_BDX_WALL_KEY_3,                         -1, -1
+  },
+  {
+    O_AMOEBA,                                  TRUE,
+    EL_BDX_AMOEBA_1,                           -1, -1
+  },
+  {
+    O_AMOEBA_2,                                        TRUE,
+    EL_BDX_AMOEBA_2,                           -1, -1
+  },
+  {
+    O_REPLICATOR,                              TRUE,
+    EL_BDX_REPLICATOR,                         -1, -1
+  },
+  {
+    O_CONVEYOR_LEFT,                           TRUE,
+    EL_BDX_CONVEYOR_LEFT,                      -1, -1
+  },
+  {
+    O_CONVEYOR_RIGHT,                          TRUE,
+    EL_BDX_CONVEYOR_RIGHT,                     -1, -1
+  },
+  {
+    O_LAVA,                                    TRUE,
+    EL_BDX_LAVA,                               -1, -1
+  },
+  {
+    O_SWEET,                                   TRUE,
+    EL_BDX_SWEET,                              -1, -1
+  },
+  {
+    O_VOODOO,                                  TRUE,
+    EL_BDX_VOODOO_DOLL,                                -1, -1
+  },
+  {
+    O_SLIME,                                   TRUE,
+    EL_BDX_SLIME,                              -1, -1
+  },
+  {
+    O_BLADDER,                                 TRUE,
+    EL_BDX_BLADDER,                            -1, -1
+  },
+  {
+    O_BLADDER_1,                               TRUE,
+    EL_BDX_BLADDER_1,                          -1, -1
+  },
+  {
+    O_BLADDER_1,                               FALSE,
+    EL_BDX_BLADDER,                            -1, -1
+  },
+  {
+    O_BLADDER_2,                               TRUE,
+    EL_BDX_BLADDER_2,                          -1, -1
+  },
+  {
+    O_BLADDER_2,                               FALSE,
+    EL_BDX_BLADDER,                            -1, -1
+  },
+  {
+    O_BLADDER_3,                               TRUE,
+    EL_BDX_BLADDER_3,                          -1, -1
+  },
+  {
+    O_BLADDER_3,                               FALSE,
+    EL_BDX_BLADDER,                            -1, -1
+  },
+  {
+    O_BLADDER_4,                               TRUE,
+    EL_BDX_BLADDER_4,                          -1, -1
+  },
+  {
+    O_BLADDER_4,                               FALSE,
+    EL_BDX_BLADDER,                            -1, -1
+  },
+  {
+    O_BLADDER_5,                               TRUE,
+    EL_BDX_BLADDER_5,                          -1, -1
+  },
+  {
+    O_BLADDER_5,                               FALSE,
+    EL_BDX_BLADDER,                            -1, -1
+  },
+  {
+    O_BLADDER_6,                               TRUE,
+    EL_BDX_BLADDER_6,                          -1, -1
+  },
+  {
+    O_BLADDER_6,                               FALSE,
+    EL_BDX_BLADDER,                            -1, -1
+  },
+  {
+    O_BLADDER_7,                               TRUE,
+    EL_BDX_BLADDER_7,                          -1, -1
+  },
+  {
+    O_BLADDER_7,                               FALSE,
+    EL_BDX_BLADDER,                            -1, -1
+  },
+  {
+    O_BLADDER_8,                               TRUE,
+    EL_BDX_BLADDER_8,                          -1, -1
+  },
+  {
+    O_BLADDER_8,                               FALSE,
+    EL_BDX_BLADDER,                            -1, -1
+  },
+  {
+    O_WAITING_STONE,                           TRUE,
+    EL_BDX_WAITING_ROCK,                       -1, -1
+  },
+  {
+    O_CHASING_STONE,                           TRUE,
+    EL_BDX_CHASING_ROCK,                       -1, -1
+  },
+  {
+    O_GHOST,                                   TRUE,
+    EL_BDX_GHOST,                              -1, -1
+  },
+  {
+    O_FIREFLY_1,                               TRUE,
+    EL_BDX_FIREFLY_1_LEFT,                     -1, -1
+  },
+  {
+    O_FIREFLY_2,                               TRUE,
+    EL_BDX_FIREFLY_1_UP,                       -1, -1
+  },
+  {
+    O_FIREFLY_3,                               TRUE,
+    EL_BDX_FIREFLY_1_RIGHT,                    -1, -1
+  },
+  {
+    O_FIREFLY_4,                               TRUE,
+    EL_BDX_FIREFLY_1_DOWN,                     -1, -1
+  },
+  {
+    O_ALT_FIREFLY_1,                           TRUE,
+    EL_BDX_FIREFLY_2_LEFT,                     -1, -1
+  },
+  {
+    O_ALT_FIREFLY_2,                           TRUE,
+    EL_BDX_FIREFLY_2_UP,                       -1, -1
+  },
+  {
+    O_ALT_FIREFLY_3,                           TRUE,
+    EL_BDX_FIREFLY_2_RIGHT,                    -1, -1
+  },
+  {
+    O_ALT_FIREFLY_4,                           TRUE,
+    EL_BDX_FIREFLY_2_DOWN,                     -1, -1
+  },
+  {
+    O_BUTTER_1,                                        TRUE,
+    EL_BDX_BUTTERFLY_1_LEFT,                   -1, -1
+  },
+  {
+    O_BUTTER_2,                                        TRUE,
+    EL_BDX_BUTTERFLY_1_UP,                     -1, -1
+  },
+  {
+    O_BUTTER_3,                                        TRUE,
+    EL_BDX_BUTTERFLY_1_RIGHT,                  -1, -1
+  },
+  {
+    O_BUTTER_4,                                        TRUE,
+    EL_BDX_BUTTERFLY_1_DOWN,                   -1, -1
+  },
+  {
+    O_ALT_BUTTER_1,                            TRUE,
+    EL_BDX_BUTTERFLY_2_LEFT,                   -1, -1
+  },
+  {
+    O_ALT_BUTTER_2,                            TRUE,
+    EL_BDX_BUTTERFLY_2_UP,                     -1, -1
+  },
+  {
+    O_ALT_BUTTER_3,                            TRUE,
+    EL_BDX_BUTTERFLY_2_RIGHT,                  -1, -1
+  },
+  {
+    O_ALT_BUTTER_4,                            TRUE,
+    EL_BDX_BUTTERFLY_2_DOWN,                   -1, -1
+  },
+  {
+    O_STONEFLY_1,                              TRUE,
+    EL_BDX_STONEFLY_LEFT,                      -1, -1
+  },
+  {
+    O_STONEFLY_2,                              TRUE,
+    EL_BDX_STONEFLY_UP,                                -1, -1
+  },
+  {
+    O_STONEFLY_3,                              TRUE,
+    EL_BDX_STONEFLY_RIGHT,                     -1, -1
+  },
+  {
+    O_STONEFLY_4,                              TRUE,
+    EL_BDX_STONEFLY_DOWN,                      -1, -1
+  },
+  {
+    O_BITER_1,                                 TRUE,
+    EL_BDX_BITER_UP,                           -1, -1
+  },
+  {
+    O_BITER_2,                                 TRUE,
+    EL_BDX_BITER_RIGHT,                                -1, -1
+  },
+  {
+    O_BITER_3,                                 TRUE,
+    EL_BDX_BITER_DOWN,                         -1, -1
+  },
+  {
+    O_BITER_4,                                 TRUE,
+    EL_BDX_BITER_LEFT,                         -1, -1
+  },
+  {
+    O_DRAGONFLY_1,                             TRUE,
+    EL_BDX_DRAGONFLY_LEFT,                     -1, -1
+  },
+  {
+    O_DRAGONFLY_2,                             TRUE,
+    EL_BDX_DRAGONFLY_UP,                       -1, -1
+  },
+  {
+    O_DRAGONFLY_3,                             TRUE,
+    EL_BDX_DRAGONFLY_RIGHT,                    -1, -1
+  },
+  {
+    O_DRAGONFLY_4,                             TRUE,
+    EL_BDX_DRAGONFLY_DOWN,                     -1, -1
+  },
+  {
+    O_PRE_PL_1,                                        TRUE,
+    EL_BDX_PLAYER_GROWING_1,                   -1, -1
+  },
+  {
+    O_PRE_PL_1,                                        FALSE,
+    EL_BDX_PLAYER,                             ACTION_GROWING, -1
+  },
+  {
+    O_PRE_PL_2,                                        TRUE,
+    EL_BDX_PLAYER_GROWING_2,                   -1, -1
+  },
+  {
+    O_PRE_PL_2,                                        FALSE,
+    EL_BDX_PLAYER,                             ACTION_GROWING, -1
+  },
+  {
+    O_PRE_PL_3,                                        TRUE,
+    EL_BDX_PLAYER_GROWING_3,                   -1, -1
+  },
+  {
+    O_PRE_PL_3,                                        FALSE,
+    EL_BDX_PLAYER,                             ACTION_GROWING, -1
+  },
+  {
+    O_PLAYER,                                  TRUE,
+    EL_BDX_PLAYER,                             -1, -1
+  },
+  {
+    O_PLAYER_BOMB,                             TRUE,
+    EL_BDX_PLAYER_WITH_BOMB,                   -1, -1
+  },
+  {
+    O_PLAYER_ROCKET_LAUNCHER,                  TRUE,
+    EL_BDX_PLAYER_WITH_ROCKET_LAUNCHER,                -1, -1
+  },
+  {
+    O_PLAYER_GLUED,                            TRUE,
+    EL_BDX_PLAYER_GLUED,                       -1, -1
+  },
+  {
+    O_PLAYER_STIRRING,                         TRUE,
+    EL_BDX_PLAYER_STIRRING,                    -1, -1
+  },
+  {
+    O_ROCKET_LAUNCHER,                         TRUE,
+    EL_BDX_ROCKET_LAUNCHER,                    -1, -1
+  },
+  {
+    O_ROCKET_1,                                        TRUE,
+    EL_BDX_ROCKET_RIGHT,                       -1, -1
+  },
+  {
+    O_ROCKET_2,                                        TRUE,
+    EL_BDX_ROCKET_UP,                          -1, -1
+  },
+  {
+    O_ROCKET_3,                                        TRUE,
+    EL_BDX_ROCKET_LEFT,                                -1, -1
+  },
+  {
+    O_ROCKET_4,                                        TRUE,
+    EL_BDX_ROCKET_DOWN,                                -1, -1
+  },
+  {
+    O_BOMB,                                    TRUE,
+    EL_BDX_BOMB,                               -1, -1
+  },
+  {
+    O_BOMB_TICK_1,                             TRUE,
+    EL_BDX_BOMB_TICKING_1,                     -1, -1
+  },
+  {
+    O_BOMB_TICK_1,                             FALSE,
+    EL_BDX_BOMB,                               ACTION_ACTIVE, -1
+  },
+  {
+    O_BOMB_TICK_2,                             TRUE,
+    EL_BDX_BOMB_TICKING_2,                     -1, -1
+  },
+  {
+    O_BOMB_TICK_2,                             FALSE,
+    EL_BDX_BOMB,                               ACTION_ACTIVE, -1
+  },
+  {
+    O_BOMB_TICK_3,                             TRUE,
+    EL_BDX_BOMB_TICKING_3,                     -1, -1
+  },
+  {
+    O_BOMB_TICK_3,                             FALSE,
+    EL_BDX_BOMB,                               ACTION_ACTIVE, -1
+  },
+  {
+    O_BOMB_TICK_4,                             TRUE,
+    EL_BDX_BOMB_TICKING_4,                     -1, -1
+  },
+  {
+    O_BOMB_TICK_4,                             FALSE,
+    EL_BDX_BOMB,                               ACTION_ACTIVE, -1
+  },
+  {
+    O_BOMB_TICK_5,                             TRUE,
+    EL_BDX_BOMB_TICKING_5,                     -1, -1
+  },
+  {
+    O_BOMB_TICK_5,                             FALSE,
+    EL_BDX_BOMB,                               ACTION_ACTIVE, -1
+  },
+  {
+    O_BOMB_TICK_6,                             TRUE,
+    EL_BDX_BOMB_TICKING_6,                     -1, -1
+  },
+  {
+    O_BOMB_TICK_6,                             FALSE,
+    EL_BDX_BOMB,                               ACTION_ACTIVE, -1
+  },
+  {
+    O_BOMB_TICK_7,                             TRUE,
+    EL_BDX_BOMB_TICKING_7,                     -1, -1
+  },
+  {
+    O_BOMB_TICK_7,                             FALSE,
+    EL_BDX_BOMB,                               ACTION_ACTIVE, -1
+  },
+  {
+    O_NITRO_PACK,                              TRUE,
+    EL_BDX_NITRO_PACK,                         -1, -1
+  },
+  {
+    O_NITRO_PACK_F,                            TRUE,
+    EL_BDX_NITRO_PACK_FALLING,                 -1, -1
+  },
+  {
+    O_NITRO_PACK_F,                            FALSE,
+    EL_BDX_NITRO_PACK,                         ACTION_FALLING, -1
+  },
+  {
+    O_PRE_CLOCK_1,                             TRUE,
+    EL_BDX_CLOCK_GROWING_1,                    -1, -1
+  },
+  {
+    O_PRE_CLOCK_1,                             FALSE,
+    EL_BDX_CLOCK,                              ACTION_GROWING, -1
+  },
+  {
+    O_PRE_CLOCK_2,                             TRUE,
+    EL_BDX_CLOCK_GROWING_2,                    -1, -1
+  },
+  {
+    O_PRE_CLOCK_2,                             FALSE,
+    EL_BDX_CLOCK,                              ACTION_GROWING, -1
+  },
+  {
+    O_PRE_CLOCK_3,                             TRUE,
+    EL_BDX_CLOCK_GROWING_3,                    -1, -1
+  },
+  {
+    O_PRE_CLOCK_3,                             FALSE,
+    EL_BDX_CLOCK,                              ACTION_GROWING, -1
+  },
+  {
+    O_PRE_CLOCK_4,                             TRUE,
+    EL_BDX_CLOCK_GROWING_4,                    -1, -1
+  },
+  {
+    O_PRE_CLOCK_4,                             FALSE,
+    EL_BDX_CLOCK,                              ACTION_GROWING, -1
+  },
+  {
+    O_PRE_DIA_1,                               TRUE,
+    EL_BDX_DIAMOND_GROWING_1,                  -1, -1
+  },
+  {
+    O_PRE_DIA_1,                               FALSE,
+    EL_BDX_DIAMOND,                            ACTION_GROWING, -1
+  },
+  {
+    O_PRE_DIA_2,                               TRUE,
+    EL_BDX_DIAMOND_GROWING_2,                  -1, -1
+  },
+  {
+    O_PRE_DIA_2,                               FALSE,
+    EL_BDX_DIAMOND,                            ACTION_GROWING, -1
+  },
+  {
+    O_PRE_DIA_3,                               TRUE,
+    EL_BDX_DIAMOND_GROWING_3,                  -1, -1
+  },
+  {
+    O_PRE_DIA_3,                               FALSE,
+    EL_BDX_DIAMOND,                            ACTION_GROWING, -1
+  },
+  {
+    O_PRE_DIA_4,                               TRUE,
+    EL_BDX_DIAMOND_GROWING_4,                  -1, -1
+  },
+  {
+    O_PRE_DIA_4,                               FALSE,
+    EL_BDX_DIAMOND,                            ACTION_GROWING, -1
+  },
+  {
+    O_PRE_DIA_5,                               TRUE,
+    EL_BDX_DIAMOND_GROWING_5,                  -1, -1
+  },
+  {
+    O_PRE_DIA_5,                               FALSE,
+    EL_BDX_DIAMOND,                            ACTION_GROWING, -1
+  },
+  {
+    O_EXPLODE_1,                               TRUE,
+    EL_BDX_EXPLODING_1,                                -1, -1
+  },
+  {
+    O_EXPLODE_1,                               FALSE,
+    EL_BDX_DEFAULT,                            ACTION_EXPLODING, -1
+  },
+  {
+    O_EXPLODE_2,                               TRUE,
+    EL_BDX_EXPLODING_2,                                -1, -1
+  },
+  {
+    O_EXPLODE_2,                               FALSE,
+    EL_BDX_DEFAULT,                            ACTION_EXPLODING, -1
+  },
+  {
+    O_EXPLODE_3,                               TRUE,
+    EL_BDX_EXPLODING_3,                                -1, -1
+  },
+  {
+    O_EXPLODE_3,                               FALSE,
+    EL_BDX_DEFAULT,                            ACTION_EXPLODING, -1
+  },
+  {
+    O_EXPLODE_4,                               TRUE,
+    EL_BDX_EXPLODING_4,                                -1, -1
+  },
+  {
+    O_EXPLODE_4,                               FALSE,
+    EL_BDX_DEFAULT,                            ACTION_EXPLODING, -1
+  },
+  {
+    O_EXPLODE_5,                               TRUE,
+    EL_BDX_EXPLODING_5,                                -1, -1
+  },
+  {
+    O_EXPLODE_5,                               FALSE,
+    EL_BDX_DEFAULT,                            ACTION_EXPLODING, -1
+  },
+  {
+    O_PRE_STONE_1,                             TRUE,
+    EL_BDX_ROCK_GROWING_1,                     -1, -1
+  },
+  {
+    O_PRE_STONE_1,                             FALSE,
+    EL_BDX_ROCK,                               ACTION_GROWING, -1
+  },
+  {
+    O_PRE_STONE_2,                             TRUE,
+    EL_BDX_ROCK_GROWING_2,                     -1, -1
+  },
+  {
+    O_PRE_STONE_2,                             FALSE,
+    EL_BDX_ROCK,                               ACTION_GROWING, -1
+  },
+  {
+    O_PRE_STONE_3,                             TRUE,
+    EL_BDX_ROCK_GROWING_3,                     -1, -1
+  },
+  {
+    O_PRE_STONE_3,                             FALSE,
+    EL_BDX_ROCK,                               ACTION_GROWING, -1
+  },
+  {
+    O_PRE_STONE_4,                             TRUE,
+    EL_BDX_ROCK_GROWING_4,                     -1, -1
+  },
+  {
+    O_PRE_STONE_4,                             FALSE,
+    EL_BDX_ROCK,                               ACTION_GROWING, -1
+  },
+  {
+    O_PRE_STEEL_1,                             TRUE,
+    EL_BDX_STEELWALL_GROWING_1,                        -1, -1
+  },
+  {
+    O_PRE_STEEL_1,                             FALSE,
+    EL_BDX_STEELWALL,                          ACTION_GROWING, -1
+  },
+  {
+    O_PRE_STEEL_2,                             TRUE,
+    EL_BDX_STEELWALL_GROWING_2,                        -1, -1
+  },
+  {
+    O_PRE_STEEL_2,                             FALSE,
+    EL_BDX_STEELWALL,                          ACTION_GROWING, -1
+  },
+  {
+    O_PRE_STEEL_3,                             TRUE,
+    EL_BDX_STEELWALL_GROWING_3,                        -1, -1
+  },
+  {
+    O_PRE_STEEL_3,                             FALSE,
+    EL_BDX_STEELWALL,                          ACTION_GROWING, -1
+  },
+  {
+    O_PRE_STEEL_4,                             TRUE,
+    EL_BDX_STEELWALL_GROWING_4,                        -1, -1
+  },
+  {
+    O_PRE_STEEL_4,                             FALSE,
+    EL_BDX_STEELWALL,                          ACTION_GROWING, -1
+  },
+  {
+    O_GHOST_EXPL_1,                            TRUE,
+    EL_BDX_GHOST_EXPLODING_1,                  -1, -1
+  },
+  {
+    O_GHOST_EXPL_1,                            FALSE,
+    EL_BDX_GHOST,                              ACTION_EXPLODING, -1
+  },
+  {
+    O_GHOST_EXPL_2,                            TRUE,
+    EL_BDX_GHOST_EXPLODING_2,                  -1, -1
+  },
+  {
+    O_GHOST_EXPL_2,                            FALSE,
+    EL_BDX_GHOST,                              ACTION_EXPLODING, -1
+  },
+  {
+    O_GHOST_EXPL_3,                            TRUE,
+    EL_BDX_GHOST_EXPLODING_3,                  -1, -1
+  },
+  {
+    O_GHOST_EXPL_3,                            FALSE,
+    EL_BDX_GHOST,                              ACTION_EXPLODING, -1
+  },
+  {
+    O_GHOST_EXPL_4,                            TRUE,
+    EL_BDX_GHOST_EXPLODING_4,                  -1, -1
+  },
+  {
+    O_GHOST_EXPL_4,                            FALSE,
+    EL_BDX_GHOST,                              ACTION_EXPLODING, -1
+  },
+  {
+    O_BOMB_EXPL_1,                             TRUE,
+    EL_BDX_BOMB_EXPLODING_1,                   -1, -1
+  },
+  {
+    O_BOMB_EXPL_1,                             FALSE,
+    EL_BDX_BOMB,                               ACTION_EXPLODING, -1
+  },
+  {
+    O_BOMB_EXPL_2,                             TRUE,
+    EL_BDX_BOMB_EXPLODING_2,                   -1, -1
+  },
+  {
+    O_BOMB_EXPL_2,                             FALSE,
+    EL_BDX_BOMB,                               ACTION_EXPLODING, -1
+  },
+  {
+    O_BOMB_EXPL_3,                             TRUE,
+    EL_BDX_BOMB_EXPLODING_3,                   -1, -1
+  },
+  {
+    O_BOMB_EXPL_3,                             FALSE,
+    EL_BDX_BOMB,                               ACTION_EXPLODING, -1
+  },
+  {
+    O_BOMB_EXPL_4,                             TRUE,
+    EL_BDX_BOMB_EXPLODING_4,                   -1, -1
+  },
+  {
+    O_BOMB_EXPL_4,                             FALSE,
+    EL_BDX_BOMB,                               ACTION_EXPLODING, -1
+  },
+  {
+    O_NITRO_EXPL_1,                            TRUE,
+    EL_BDX_NITRO_PACK_EXPLODING_1,             -1, -1
+  },
+  {
+    O_NITRO_EXPL_1,                            FALSE,
+    EL_BDX_NITRO_PACK,                         ACTION_EXPLODING, -1
+  },
+  {
+    O_NITRO_EXPL_2,                            TRUE,
+    EL_BDX_NITRO_PACK_EXPLODING_2,             -1, -1
+  },
+  {
+    O_NITRO_EXPL_2,                            FALSE,
+    EL_BDX_NITRO_PACK,                         ACTION_EXPLODING, -1
+  },
+  {
+    O_NITRO_EXPL_3,                            TRUE,
+    EL_BDX_NITRO_PACK_EXPLODING_3,             -1, -1
+  },
+  {
+    O_NITRO_EXPL_3,                            FALSE,
+    EL_BDX_NITRO_PACK,                         ACTION_EXPLODING, -1
+  },
+  {
+    O_NITRO_EXPL_4,                            TRUE,
+    EL_BDX_NITRO_PACK_EXPLODING_4,             -1, -1
+  },
+  {
+    O_NITRO_EXPL_4,                            FALSE,
+    EL_BDX_NITRO_PACK,                         ACTION_EXPLODING, -1
+  },
+  {
+    O_NITRO_PACK_EXPLODE,                      TRUE,
+    EL_BDX_NITRO_PACK_EXPLODING,               -1, -1
+  },
+  {
+    O_NITRO_PACK_EXPLODE,                      FALSE,
+    EL_BDX_NITRO_PACK,                         ACTION_EXPLODING, -1
+  },
+  {
+    O_AMOEBA_2_EXPL_1,                         TRUE,
+    EL_BDX_AMOEBA_2_EXPLODING_1,               -1, -1
+  },
+  {
+    O_AMOEBA_2_EXPL_1,                         FALSE,
+    EL_BDX_AMOEBA_2,                           ACTION_EXPLODING, -1
+  },
+  {
+    O_AMOEBA_2_EXPL_2,                         TRUE,
+    EL_BDX_AMOEBA_2_EXPLODING_2,               -1, -1
+  },
+  {
+    O_AMOEBA_2_EXPL_2,                         FALSE,
+    EL_BDX_AMOEBA_2,                           ACTION_EXPLODING, -1
+  },
+  {
+    O_AMOEBA_2_EXPL_3,                         TRUE,
+    EL_BDX_AMOEBA_2_EXPLODING_3,               -1, -1
+  },
+  {
+    O_AMOEBA_2_EXPL_3,                         FALSE,
+    EL_BDX_AMOEBA_2,                           ACTION_EXPLODING, -1
+  },
+  {
+    O_AMOEBA_2_EXPL_4,                         TRUE,
+    EL_BDX_AMOEBA_2_EXPLODING_4,               -1, -1
+  },
+  {
+    O_AMOEBA_2_EXPL_4,                         FALSE,
+    EL_BDX_AMOEBA_2,                           ACTION_EXPLODING, -1
+  },
+  {
+    O_NUT_EXPL_1,                              TRUE,
+    EL_BDX_NUT_BREAKING_1,                     -1, -1
+  },
+  {
+    O_NUT_EXPL_1,                              FALSE,
+    EL_BDX_NUT,                                        ACTION_BREAKING, -1
+  },
+  {
+    O_NUT_EXPL_2,                              TRUE,
+    EL_BDX_NUT_BREAKING_2,                     -1, -1
+  },
+  {
+    O_NUT_EXPL_2,                              FALSE,
+    EL_BDX_NUT,                                        ACTION_BREAKING, -1
+  },
+  {
+    O_NUT_EXPL_3,                              TRUE,
+    EL_BDX_NUT_BREAKING_3,                     -1, -1
+  },
+  {
+    O_NUT_EXPL_3,                              FALSE,
+    EL_BDX_NUT,                                        ACTION_BREAKING, -1
+  },
+  {
+    O_NUT_EXPL_4,                              TRUE,
+    EL_BDX_NUT_BREAKING_4,                     -1, -1
+  },
+  {
+    O_NUT_EXPL_4,                              FALSE,
+    EL_BDX_NUT,                                        ACTION_BREAKING, -1
+  },
+  {
+    O_PLAYER_PNEUMATIC_LEFT,                   FALSE,
+    EL_BDX_PLAYER,                             ACTION_HITTING, MV_BIT_LEFT
+  },
+  {
+    O_PLAYER_PNEUMATIC_RIGHT,                  FALSE,
+    EL_BDX_PLAYER,                             ACTION_HITTING, MV_BIT_RIGHT
+  },
+  {
+    O_PNEUMATIC_ACTIVE_LEFT,                   FALSE,
+    EL_BDX_PNEUMATIC_HAMMER,                   ACTION_HITTING, MV_BIT_LEFT
+  },
+  {
+    O_PNEUMATIC_ACTIVE_RIGHT,                  FALSE,
+    EL_BDX_PNEUMATIC_HAMMER,                   ACTION_HITTING, MV_BIT_RIGHT
+  },
+
+  // helper (runtime) elements
+
+  {
+    O_FAKE_BONUS,                              FALSE,
+    EL_BDX_FAKE_BONUS,                         -1, -1
+  },
+  {
+    O_INBOX_CLOSED,                            FALSE,
+    EL_BDX_INBOX,                              -1, -1
+  },
+  {
+    O_INBOX_OPEN,                              FALSE,
+    EL_BDX_INBOX,                              ACTION_OPENING, -1
+  },
+  {
+    O_OUTBOX_CLOSED,                           FALSE,
+    EL_BDX_EXIT_CLOSED,                                -1, -1
+  },
+  {
+    O_OUTBOX_OPEN,                             FALSE,
+    EL_BDX_EXIT_OPEN,                          -1, -1
+  },
+  {
+    O_COVERED,                                 FALSE,
+    EL_BDX_COVERED,                            -1, -1
+  },
+  {
+    O_PLAYER_LEFT,                             FALSE,
+    EL_BDX_PLAYER,                             ACTION_MOVING, MV_BIT_LEFT
+  },
+  {
+    O_PLAYER_RIGHT,                            FALSE,
+    EL_BDX_PLAYER,                             ACTION_MOVING, MV_BIT_RIGHT
+  },
+  {
+    O_PLAYER_UP,                               FALSE,
+    EL_BDX_PLAYER,                             ACTION_MOVING, MV_BIT_UP
+  },
+  {
+    O_PLAYER_DOWN,                             FALSE,
+    EL_BDX_PLAYER,                             ACTION_MOVING, MV_BIT_DOWN
+  },
+  {
+    O_PLAYER_BLINK,                            FALSE,
+    EL_BDX_PLAYER,                             ACTION_BORING_1, -1
+  },
+  {
+    O_PLAYER_TAP,                              FALSE,
+    EL_BDX_PLAYER,                             ACTION_BORING_2, -1
+  },
+  {
+    O_PLAYER_TAP_BLINK,                                FALSE,
+    EL_BDX_PLAYER,                             ACTION_BORING_3, -1
+  },
+  {
+    O_PLAYER_PUSH_LEFT,                                FALSE,
+    EL_BDX_PLAYER,                             ACTION_PUSHING, MV_BIT_LEFT
+  },
+  {
+    O_PLAYER_PUSH_RIGHT,                       FALSE,
+    EL_BDX_PLAYER,                             ACTION_PUSHING, MV_BIT_RIGHT
+  },
+  {
+    O_CREATURE_SWITCH_ON,                      FALSE,
+    EL_BDX_CREATURE_SWITCH_ACTIVE,             -1, -1
+  },
+  {
+    O_EXPANDING_WALL_SWITCH_HORIZ,             FALSE,
+    EL_BDX_EXPANDABLE_WALL_SWITCH,             -1, -1
+  },
+  {
+    O_EXPANDING_WALL_SWITCH_VERT,              FALSE,
+    EL_BDX_EXPANDABLE_WALL_SWITCH_ACTIVE,      -1, -1
+  },
+  {
+    O_GRAVITY_SWITCH_ACTIVE,                   FALSE,
+    EL_BDX_GRAVITY_SWITCH_ACTIVE,              -1, -1
+  },
+  {
+    O_REPLICATOR_SWITCH_OFF,                   FALSE,
+    EL_BDX_REPLICATOR_SWITCH,                  -1, -1
+  },
+  {
+    O_REPLICATOR_SWITCH_ON,                    FALSE,
+    EL_BDX_REPLICATOR_SWITCH_ACTIVE,           -1, -1
+  },
+  {
+    O_CONVEYOR_DIR_NORMAL,                     FALSE,
+    EL_BDX_CONVEYOR_DIR_SWITCH,                        -1, -1
+  },
+  {
+    O_CONVEYOR_DIR_CHANGED,                    FALSE,
+    EL_BDX_CONVEYOR_DIR_SWITCH_ACTIVE,         -1, -1
+  },
+  {
+    O_CONVEYOR_SWITCH_OFF,                     FALSE,
+    EL_BDX_CONVEYOR_SWITCH,                    -1, -1
+  },
+  {
+    O_CONVEYOR_SWITCH_ON,                      FALSE,
+    EL_BDX_CONVEYOR_SWITCH_ACTIVE,             -1, -1
+  },
+  {
+    O_MAGIC_WALL_ACTIVE,                       FALSE,
+    EL_BDX_MAGIC_WALL_ACTIVE,          -1, -1
+  },
+  {
+    O_REPLICATOR_ACTIVE,                       FALSE,
+    EL_BDX_REPLICATOR_ACTIVE,                  -1, -1
+  },
+  {
+    O_CONVEYOR_LEFT_ACTIVE,                    FALSE,
+    EL_BDX_CONVEYOR_LEFT_ACTIVE,               -1, -1
+  },
+  {
+    O_CONVEYOR_RIGHT_ACTIVE,                   FALSE,
+    EL_BDX_CONVEYOR_RIGHT_ACTIVE,              -1, -1
+  },
+  {
+    O_BITER_SWITCH_1,                          FALSE,
+    EL_BDX_BITER_SWITCH_1,                     -1, -1
+  },
+  {
+    O_BITER_SWITCH_2,                          FALSE,
+    EL_BDX_BITER_SWITCH_2,                     -1, -1
+  },
+  {
+    O_BITER_SWITCH_3,                          FALSE,
+    EL_BDX_BITER_SWITCH_3,                     -1, -1
+  },
+  {
+    O_BITER_SWITCH_4,                          FALSE,
+    EL_BDX_BITER_SWITCH_4,                     -1, -1
+  },
+
+  {
+    -1,                                                FALSE,
+    -1,                                                -1, -1
+  }
+};
+
+int map_element_RND_to_BD_cave(int element_rnd)
+{
+  static unsigned short mapping_RND_to_BD[NUM_FILE_ELEMENTS];
+  static boolean mapping_initialized = FALSE;
+
+  if (!mapping_initialized)
+  {
+    int i;
+
+    // return "O_UNKNOWN" for all undefined elements in mapping array
+    for (i = 0; i < NUM_FILE_ELEMENTS; i++)
+      mapping_RND_to_BD[i] = O_UNKNOWN;
+
+    for (i = 0; bd_object_mapping_list[i].element_bd != -1; i++)
+      if (bd_object_mapping_list[i].is_rnd_to_bd_mapping)
+       mapping_RND_to_BD[bd_object_mapping_list[i].element_rnd] =
+         bd_object_mapping_list[i].element_bd;
+
+    mapping_initialized = TRUE;
+  }
+
+  if (element_rnd < 0 || element_rnd >= NUM_FILE_ELEMENTS)
+  {
+    Warn("invalid RND element %d", element_rnd);
+
+    return O_UNKNOWN;
+  }
+
+  return mapping_RND_to_BD[element_rnd];
+}
+
+int map_element_RND_to_BD_effect(int element_rnd, int action)
+{
+  static unsigned short mapping_RND_to_BD[NUM_FILE_ELEMENTS][NUM_ACTIONS];
+  static boolean mapping_initialized = FALSE;
+
+  if (!mapping_initialized)
+  {
+    int i, j;
+
+    // return "O_UNKNOWN" for all undefined elements in mapping array
+    for (i = 0; i < NUM_FILE_ELEMENTS; i++)
+      for (j = 0; j < NUM_ACTIONS; j++)
+       mapping_RND_to_BD[i][j] = O_UNKNOWN;
+
+    for (i = 0; bd_object_mapping_list[i].element_bd != -1; i++)
+    {
+      int element_rnd = bd_object_mapping_list[i].element_rnd;
+      int element_bd  = bd_object_mapping_list[i].element_bd;
+      int action      = bd_object_mapping_list[i].action;
+
+      if (action != -1)
+       mapping_RND_to_BD[element_rnd][action] = element_bd;
+    }
+
+    mapping_initialized = TRUE;
+  }
+
+  if (element_rnd < 0 || element_rnd >= NUM_FILE_ELEMENTS)
+  {
+    Warn("invalid RND element %d", element_rnd);
+
+    return O_UNKNOWN;
+  }
+
+  if (action < 0 || action >= NUM_ACTIONS)
+  {
+    Warn("invalid action %d", action);
+
+    return O_UNKNOWN;
+  }
+
+  return mapping_RND_to_BD[element_rnd][action];
+}
+
+int map_element_BD_to_RND_cave(int element_bd)
+{
+  static unsigned short mapping_BD_to_RND[O_MAX_ALL];
+  static boolean mapping_initialized = FALSE;
+
+  if (!mapping_initialized)
+  {
+    int i;
+
+    // return "EL_UNKNOWN" for all undefined elements in mapping array
+    for (i = 0; i < O_MAX_ALL; i++)
+      mapping_BD_to_RND[i] = EL_UNKNOWN;
+
+    for (i = 0; bd_object_mapping_list[i].element_bd != -1; i++)
+      if (bd_object_mapping_list[i].is_rnd_to_bd_mapping)
+       mapping_BD_to_RND[bd_object_mapping_list[i].element_bd] =
+         bd_object_mapping_list[i].element_rnd;
+
+    mapping_initialized = TRUE;
+  }
+
+  if (element_bd < 0 || element_bd >= O_MAX_ALL)
+  {
+    Warn("invalid BD element %d", element_bd);
+
+    return EL_UNKNOWN;
+  }
+
+  return mapping_BD_to_RND[element_bd];
+}
+
+int map_element_BD_to_RND_game(int element_bd)
+{
+  static unsigned short mapping_BD_to_RND[O_MAX_ALL];
+  static boolean mapping_initialized = FALSE;
+
+  if (!mapping_initialized)
+  {
+    int i;
+
+    // return "EL_UNKNOWN" for all undefined elements in mapping array
+    for (i = 0; i < O_MAX_ALL; i++)
+      mapping_BD_to_RND[i] = EL_UNKNOWN;
+
+    for (i = 0; bd_object_mapping_list[i].element_bd != -1; i++)
+      mapping_BD_to_RND[bd_object_mapping_list[i].element_bd] =
+       bd_object_mapping_list[i].element_rnd;
+
+    mapping_initialized = TRUE;
+  }
+
+  if (element_bd < 0 || element_bd >= O_MAX_ALL)
+  {
+    Warn("invalid BD element %d", element_bd);
+
+    return EL_UNKNOWN;
+  }
+
+  return mapping_BD_to_RND[element_bd];
+}
+
+static struct Mapping_EM_to_RND_object
+{
+  int element_em;
+  boolean is_rnd_to_em_mapping;                // unique mapping EM <-> RND
+  boolean is_backside;                 // backside of moving element
+
+  int element_rnd;
+  int action;
+  int direction;
+}
+em_object_mapping_list[GAME_TILE_MAX + 1] =
+{
+  {
+    Zborder,                           FALSE,  FALSE,
+    EL_EMPTY,                          -1, -1
+  },
+  {
+    Zplayer,                           FALSE,  FALSE,
+    EL_EMPTY,                          -1, -1
+  },
+
+  {
+    Zbug,                              FALSE,  FALSE,
+    EL_EMPTY,                          -1, -1
+  },
+  {
+    Ztank,                             FALSE,  FALSE,
+    EL_EMPTY,                          -1, -1
+  },
+  {
+    Zeater,                            FALSE,  FALSE,
+    EL_EMPTY,                          -1, -1
+  },
+  {
+    Zdynamite,                         FALSE,  FALSE,
+    EL_EMPTY,                          -1, -1
+  },
+  {
+    Zboom,                             FALSE,  FALSE,
+    EL_EMPTY,                          -1, -1
+  },
+
+  {
+    Xchain,                            FALSE,  FALSE,
+    EL_DEFAULT,                                ACTION_EXPLODING, -1
+  },
+  {
+    Xboom_bug,                         FALSE,  FALSE,
+    EL_BUG,                            ACTION_EXPLODING, -1
+  },
+  {
+    Xboom_tank,                                FALSE,  FALSE,
+    EL_SPACESHIP,                      ACTION_EXPLODING, -1
+  },
+  {
+    Xboom_android,                     FALSE,  FALSE,
+    EL_EMC_ANDROID,                    ACTION_OTHER, -1
+  },
+  {
+    Xboom_1,                           FALSE,  FALSE,
+    EL_DEFAULT,                                ACTION_EXPLODING, -1
+  },
+  {
+    Xboom_2,                           FALSE,  FALSE,
+    EL_DEFAULT,                                ACTION_EXPLODING, -1
+  },
+
+  {
+    Xblank,                            TRUE,   FALSE,
+    EL_EMPTY,                          -1, -1
+  },
+
+  {
+    Xsplash_e,                         FALSE,  FALSE,
+    EL_ACID_SPLASH_RIGHT,              -1, -1
+  },
+  {
+    Xsplash_w,                         FALSE,  FALSE,
+    EL_ACID_SPLASH_LEFT,               -1, -1
+  },
+
+  {
+    Xplant,                            TRUE,   FALSE,
+    EL_EMC_PLANT,                      -1, -1
+  },
+  {
+    Yplant,                            FALSE,  FALSE,
+    EL_EMC_PLANT,                      -1, -1
+  },
+
+  {
+    Xacid_1,                           TRUE,   FALSE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xacid_2,                           FALSE,  FALSE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xacid_3,                           FALSE,  FALSE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xacid_4,                           FALSE,  FALSE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xacid_5,                           FALSE,  FALSE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xacid_6,                           FALSE,  FALSE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xacid_7,                           FALSE,  FALSE,
+    EL_ACID,                           -1, -1
+  },
+  {
+    Xacid_8,                           FALSE,  FALSE,
+    EL_ACID,                           -1, -1
+  },
+
+  {
+    Xfake_acid_1,                      TRUE,   FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
+  },
+  {
+    Xfake_acid_2,                      FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
+  },
+  {
+    Xfake_acid_3,                      FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
+  },
+  {
+    Xfake_acid_4,                      FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
+  },
+  {
+    Xfake_acid_5,                      FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
+  },
+  {
+    Xfake_acid_6,                      FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
+  },
+  {
+    Xfake_acid_7,                      FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
+  },
+  {
+    Xfake_acid_8,                      FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
+  },
+
+  {
+    Xfake_acid_1_player,               FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
+  },
+  {
+    Xfake_acid_2_player,               FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
+  },
+  {
+    Xfake_acid_3_player,               FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
+  },
+  {
+    Xfake_acid_4_player,               FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
+  },
+  {
+    Xfake_acid_5_player,               FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
+  },
+  {
+    Xfake_acid_6_player,               FALSE,  FALSE,
+    EL_EMC_FAKE_ACID,                  -1, -1
   },
   {
     Xfake_acid_7_player,               FALSE,  FALSE,
@@ -8329,6 +10165,29 @@ int el2edimg(int element)
   return element_info[element].special_graphic[GFX_SPECIAL_ARG_EDITOR];
 }
 
+int el2edimg_with_frame(int element, int *graphic, int *frame)
+{
+  *graphic = el2edimg(element);
+  *frame = 0;
+
+  if (*graphic == IMG_UNKNOWN)
+  {
+    // no graphic defined -- if BD style, try to get runtime ("effect") element graphics
+    // (normal BD style elements have graphics, but runtime ("effects") elements do not)
+    int element_bd = map_element_RND_to_BD_cave(element);
+
+    if (element_bd != O_UNKNOWN)
+    {
+      struct GraphicInfo_BD *g_bd = &graphic_info_bd_object[element_bd][0];
+
+      *graphic = g_bd->graphic;
+      *frame   = g_bd->frame;
+    }
+  }
+
+  return *graphic;
+}
+
 int el2preimg(int element)
 {
   element = GFX_ELEMENT(element);
@@ -8486,7 +10345,9 @@ boolean isActivePlayer_EM(int player_nr)
 
 unsigned int InitRND(int seed)
 {
-  if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
+  if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
+    return InitEngineRandom_BD(seed);
+  else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
     return InitEngineRandom_EM(seed);
   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
     return InitEngineRandom_SP(seed);
@@ -8496,14 +10357,15 @@ unsigned int InitRND(int seed)
     return InitEngineRandom_RND(seed);
 }
 
-static struct Mapping_EM_to_RND_object object_mapping[GAME_TILE_MAX];
-static struct Mapping_EM_to_RND_player player_mapping[MAX_PLAYERS][PLY_MAX];
+static struct Mapping_BD_to_RND_object bd_object_mapping[O_MAX_ALL];
+static struct Mapping_EM_to_RND_object em_object_mapping[GAME_TILE_MAX];
+static struct Mapping_EM_to_RND_player em_player_mapping[MAX_PLAYERS][PLY_MAX];
 
 static int get_effective_element_EM(int tile, int frame_em)
 {
-  int element             = object_mapping[tile].element_rnd;
-  int action              = object_mapping[tile].action;
-  boolean is_backside     = object_mapping[tile].is_backside;
+  int element             = em_object_mapping[tile].element_rnd;
+  int action              = em_object_mapping[tile].action;
+  boolean is_backside     = em_object_mapping[tile].is_backside;
   boolean action_removing = (action == ACTION_DIGGING ||
                             action == ACTION_SNAPPING ||
                             action == ACTION_COLLECTING);
@@ -8651,8 +10513,8 @@ void ResetGfxAnimation_EM(int x, int y, int tile)
 void SetGfxAnimation_EM(struct GraphicInfo_EM *g_em,
                        int tile, int frame_em, int x, int y)
 {
-  int action = object_mapping[tile].action;
-  int direction = object_mapping[tile].direction;
+  int action = em_object_mapping[tile].action;
+  int direction = em_object_mapping[tile].direction;
   int effective_element = get_effective_element_EM(tile, frame_em);
   int graphic = (direction == MV_NONE ?
                 el_act2img(effective_element, action) :
@@ -8691,11 +10553,11 @@ void SetGfxAnimation_EM(struct GraphicInfo_EM *g_em,
   }
   else if (action_moving)
   {
-    boolean is_backside = object_mapping[tile].is_backside;
+    boolean is_backside = em_object_mapping[tile].is_backside;
 
     if (is_backside)
     {
-      int direction = object_mapping[tile].direction;
+      int direction = em_object_mapping[tile].direction;
       int move_dir = (action_falling ? MV_DOWN : direction);
 
       GfxFrame[x][y]++;
@@ -8750,9 +10612,9 @@ void SetGfxAnimation_EM(struct GraphicInfo_EM *g_em,
 void getGraphicSourceObjectExt_EM(struct GraphicInfo_EM *g_em,
                                  int tile, int frame_em, int x, int y)
 {
-  int action = object_mapping[tile].action;
-  int direction = object_mapping[tile].direction;
-  boolean is_backside = object_mapping[tile].is_backside;
+  int action = em_object_mapping[tile].action;
+  int direction = em_object_mapping[tile].direction;
+  boolean is_backside = em_object_mapping[tile].is_backside;
   int effective_element = get_effective_element_EM(tile, frame_em);
   int effective_action = action;
   int graphic = (direction == MV_NONE ?
@@ -8816,9 +10678,9 @@ void getGraphicSourceObjectExt_EM(struct GraphicInfo_EM *g_em,
 void getGraphicSourcePlayerExt_EM(struct GraphicInfo_EM *g_em,
                                  int player_nr, int anim, int frame_em)
 {
-  int element   = player_mapping[player_nr][anim].element_rnd;
-  int action    = player_mapping[player_nr][anim].action;
-  int direction = player_mapping[player_nr][anim].direction;
+  int element   = em_player_mapping[player_nr][anim].element_rnd;
+  int action    = em_player_mapping[player_nr][anim].action;
+  int direction = em_player_mapping[player_nr][anim].direction;
   int graphic = (direction == MV_NONE ?
                 el_act2img(element, action) :
                 el_act_dir2img(element, action, direction));
@@ -8841,6 +10703,105 @@ void getGraphicSourcePlayerExt_EM(struct GraphicInfo_EM *g_em,
                      &g_em->src_x, &g_em->src_y, FALSE);
 }
 
+#define BD_GFX_RANGE(a, n, i)          ((i) >= (a) && (i) < (a) + (n))
+#define BD_GFX_FRAME(b, i)             (((i) - (b)) * 8)
+
+void InitGraphicInfo_BD(void)
+{
+  int i, j;
+
+  if (graphic_info == NULL)            // still at startup phase
+    return;
+
+  // always start with reliable default values
+  for (i = 0; i < O_MAX_ALL; i++)
+  {
+    bd_object_mapping[i].element_rnd = EL_UNKNOWN;
+    bd_object_mapping[i].action = ACTION_DEFAULT;
+    bd_object_mapping[i].direction = MV_NONE;
+  }
+
+  for (i = 0; bd_object_mapping_list[i].element_bd != -1; i++)
+  {
+    int e = bd_object_mapping_list[i].element_bd;
+
+    bd_object_mapping[e].element_rnd = bd_object_mapping_list[i].element_rnd;
+
+    if (bd_object_mapping_list[i].action != -1)
+      bd_object_mapping[e].action = bd_object_mapping_list[i].action;
+
+    if (bd_object_mapping_list[i].direction != -1)
+      bd_object_mapping[e].direction =
+       MV_DIR_FROM_BIT(bd_object_mapping_list[i].direction);
+  }
+
+  for (i = 0; i < O_MAX_ALL; i++)
+  {
+    int element = bd_object_mapping[i].element_rnd;
+    int action = bd_object_mapping[i].action;
+    int direction = bd_object_mapping[i].direction;
+
+    for (j = 0; j < 8; j++)
+    {
+      int effective_element = element;
+      int effective_action = action;
+      int graphic = (el_act_dir2img(effective_element, effective_action,
+                                   direction));
+      struct GraphicInfo *g = &graphic_info[graphic];
+      struct GraphicInfo_BD *g_bd = &graphic_info_bd_object[i][j];
+      Bitmap *src_bitmap;
+      int src_x, src_y;
+      int sync_frame = (BD_GFX_RANGE(O_PRE_PL_1, 3, i)        ? BD_GFX_FRAME(O_PRE_PL_1, i) :
+                       BD_GFX_RANGE(O_PRE_DIA_1, 5, i)       ? BD_GFX_FRAME(O_PRE_DIA_1, i) :
+                       BD_GFX_RANGE(O_PRE_STONE_1, 4, i)     ? BD_GFX_FRAME(O_PRE_STONE_1, i) :
+                       BD_GFX_RANGE(O_PRE_STEEL_1, 4, i)     ? BD_GFX_FRAME(O_PRE_STEEL_1, i) :
+                       BD_GFX_RANGE(O_BOMB_TICK_1, 7, i)     ? BD_GFX_FRAME(O_BOMB_TICK_1, i) :
+                       BD_GFX_RANGE(O_BOMB_EXPL_1, 4, i)     ? BD_GFX_FRAME(O_BOMB_EXPL_1, i) :
+                       BD_GFX_RANGE(O_NUT_EXPL_1, 4, i)      ? BD_GFX_FRAME(O_NUT_EXPL_1, i) :
+                       BD_GFX_RANGE(O_GHOST_EXPL_1, 4, i)    ? BD_GFX_FRAME(O_GHOST_EXPL_1, i) :
+                       BD_GFX_RANGE(O_EXPLODE_1, 5, i)       ? BD_GFX_FRAME(O_EXPLODE_1, i) :
+                       BD_GFX_RANGE(O_PRE_CLOCK_1, 4, i)     ? BD_GFX_FRAME(O_PRE_CLOCK_1, i) :
+                       BD_GFX_RANGE(O_NITRO_EXPL_1, 4, i)    ? BD_GFX_FRAME(O_NITRO_EXPL_1, i) :
+                       BD_GFX_RANGE(O_AMOEBA_2_EXPL_1, 4, i) ? BD_GFX_FRAME(O_AMOEBA_2_EXPL_1, i):
+                       i == O_INBOX_OPEN || i == O_OUTBOX_OPEN ? j :
+                       j * 2);
+      int frame = getAnimationFrame(g->anim_frames,
+                                   g->anim_delay,
+                                   g->anim_mode,
+                                   g->anim_start_frame,
+                                   sync_frame);
+
+      getGraphicSourceExt(graphic, frame, &src_bitmap, &src_x, &src_y, FALSE);
+
+      g_bd->bitmap = src_bitmap;
+      g_bd->src_x  = src_x;
+      g_bd->src_y  = src_y;
+      g_bd->width  = TILEX;
+      g_bd->height = TILEY;
+
+      g_bd->graphic = graphic;
+      g_bd->frame = frame;
+    }
+  }
+
+  // game graphics template for level-specific colors for native BD levels
+  int graphic = IMG_BDX_GAME_GRAPHICS_COLOR_TEMPLATE;
+  struct GraphicInfo_BD *g_bd = &graphic_info_bd_color_template;
+  Bitmap *src_bitmap;
+  int src_x, src_y;
+
+  getGraphicSourceExt(graphic, 0, &src_bitmap, &src_x, &src_y, FALSE);
+
+  g_bd->bitmap = src_bitmap;
+  g_bd->src_x  = src_x;
+  g_bd->src_y  = src_y;
+  g_bd->width  = TILEX;
+  g_bd->height = TILEY;
+
+  g_bd->graphic = graphic;
+  g_bd->frame = 0;
+}
+
 void InitGraphicInfo_EM(void)
 {
   int i, j, p;
@@ -8848,10 +10809,10 @@ void InitGraphicInfo_EM(void)
   // always start with reliable default values
   for (i = 0; i < GAME_TILE_MAX; i++)
   {
-    object_mapping[i].element_rnd = EL_UNKNOWN;
-    object_mapping[i].is_backside = FALSE;
-    object_mapping[i].action = ACTION_DEFAULT;
-    object_mapping[i].direction = MV_NONE;
+    em_object_mapping[i].element_rnd = EL_UNKNOWN;
+    em_object_mapping[i].is_backside = FALSE;
+    em_object_mapping[i].action = ACTION_DEFAULT;
+    em_object_mapping[i].direction = MV_NONE;
   }
 
   // always start with reliable default values
@@ -8859,9 +10820,9 @@ void InitGraphicInfo_EM(void)
   {
     for (i = 0; i < PLY_MAX; i++)
     {
-      player_mapping[p][i].element_rnd = EL_UNKNOWN;
-      player_mapping[p][i].action = ACTION_DEFAULT;
-      player_mapping[p][i].direction = MV_NONE;
+      em_player_mapping[p][i].element_rnd = EL_UNKNOWN;
+      em_player_mapping[p][i].action = ACTION_DEFAULT;
+      em_player_mapping[p][i].direction = MV_NONE;
     }
   }
 
@@ -8869,14 +10830,14 @@ void InitGraphicInfo_EM(void)
   {
     int e = em_object_mapping_list[i].element_em;
 
-    object_mapping[e].element_rnd = em_object_mapping_list[i].element_rnd;
-    object_mapping[e].is_backside = em_object_mapping_list[i].is_backside;
+    em_object_mapping[e].element_rnd = em_object_mapping_list[i].element_rnd;
+    em_object_mapping[e].is_backside = em_object_mapping_list[i].is_backside;
 
     if (em_object_mapping_list[i].action != -1)
-      object_mapping[e].action = em_object_mapping_list[i].action;
+      em_object_mapping[e].action = em_object_mapping_list[i].action;
 
     if (em_object_mapping_list[i].direction != -1)
-      object_mapping[e].direction =
+      em_object_mapping[e].direction =
        MV_DIR_FROM_BIT(em_object_mapping_list[i].direction);
   }
 
@@ -8885,22 +10846,22 @@ void InitGraphicInfo_EM(void)
     int a = em_player_mapping_list[i].action_em;
     int p = em_player_mapping_list[i].player_nr;
 
-    player_mapping[p][a].element_rnd = em_player_mapping_list[i].element_rnd;
+    em_player_mapping[p][a].element_rnd = em_player_mapping_list[i].element_rnd;
 
     if (em_player_mapping_list[i].action != -1)
-      player_mapping[p][a].action = em_player_mapping_list[i].action;
+      em_player_mapping[p][a].action = em_player_mapping_list[i].action;
 
     if (em_player_mapping_list[i].direction != -1)
-      player_mapping[p][a].direction =
+      em_player_mapping[p][a].direction =
        MV_DIR_FROM_BIT(em_player_mapping_list[i].direction);
   }
 
   for (i = 0; i < GAME_TILE_MAX; i++)
   {
-    int element = object_mapping[i].element_rnd;
-    int action = object_mapping[i].action;
-    int direction = object_mapping[i].direction;
-    boolean is_backside = object_mapping[i].is_backside;
+    int element = em_object_mapping[i].element_rnd;
+    int action = em_object_mapping[i].action;
+    int direction = em_object_mapping[i].direction;
+    boolean is_backside = em_object_mapping[i].is_backside;
     boolean action_exploding = ((action == ACTION_EXPLODING ||
                                 action == ACTION_SMASHED_BY_ROCK ||
                                 action == ACTION_SMASHED_BY_SPRING) &&
@@ -9172,10 +11133,10 @@ void InitGraphicInfo_EM(void)
   {
     for (j = 0; j < 8; j++)
     {
-      int element = object_mapping[i].element_rnd;
-      int action = object_mapping[i].action;
-      int direction = object_mapping[i].direction;
-      boolean is_backside = object_mapping[i].is_backside;
+      int element = em_object_mapping[i].element_rnd;
+      int action = em_object_mapping[i].action;
+      int direction = em_object_mapping[i].direction;
+      boolean is_backside = em_object_mapping[i].is_backside;
       int graphic_action  = el_act_dir2img(element, action, direction);
       int graphic_default = el_act_dir2img(element, ACTION_DEFAULT, direction);
 
@@ -9215,9 +11176,9 @@ void InitGraphicInfo_EM(void)
   {
     for (i = 0; i < PLY_MAX; i++)
     {
-      int element = player_mapping[p][i].element_rnd;
-      int action = player_mapping[p][i].action;
-      int direction = player_mapping[p][i].direction;
+      int element = em_player_mapping[p][i].element_rnd;
+      int action = em_player_mapping[p][i].action;
+      int direction = em_player_mapping[p][i].direction;
 
       for (j = 0; j < 8; j++)
       {
@@ -9254,6 +11215,26 @@ void InitGraphicInfo_EM(void)
   }
 }
 
+static void CheckSaveEngineSnapshot_BD(boolean frame_max,
+                                      boolean player_moving,
+                                      boolean player_snapping)
+{
+  if (frame_max)
+  {
+    if (!local_player->was_waiting)
+    {
+      if (!CheckSaveEngineSnapshotToList())
+       return;
+
+      local_player->was_waiting = TRUE;
+    }
+  }
+  else if (player_moving || player_snapping)
+  {
+    local_player->was_waiting = FALSE;
+  }
+}
+
 static void CheckSaveEngineSnapshot_EM(int frame,
                                       boolean any_player_moving,
                                       boolean any_player_snapping,
@@ -9311,6 +11292,19 @@ static void CheckSaveEngineSnapshot_MM(boolean element_clicked,
   }
 }
 
+boolean CheckSingleStepMode_BD(boolean frame_max,
+                               boolean player_moving,
+                               boolean player_snapping)
+{
+  if (tape.single_step && tape.recording && !tape.pausing)
+    if (frame_max && FrameCounter > 6)
+      TapeTogglePause(TAPE_TOGGLE_AUTOMATIC);
+
+  CheckSaveEngineSnapshot_BD(frame_max, player_moving, player_snapping);
+
+  return tape.pausing;
+}
+
 boolean CheckSingleStepMode_EM(int frame,
                               boolean any_player_moving,
                               boolean any_player_snapping,
@@ -9498,6 +11492,27 @@ void PlaySoundSelecting(void)
 #endif
 }
 
+void ToggleAudioSampleRateIfNeeded(void)
+{
+  int setup_audio_sample_rate = (setup.audio_sample_rate_44100 ? 44100 : 22050);
+
+  // if setup and audio sample rate are already matching, nothing do do
+  if ((setup_audio_sample_rate == audio.sample_rate) ||
+      !audio.sound_available)
+    return;
+
+#if 1
+  // apparently changing the audio output sample rate does not work at runtime,
+  // so currently the program has to be restarted to apply the new sample rate
+  Request("Please restart the program to change audio sample rate!", REQ_CONFIRM);
+#else
+  SDLReopenAudio();
+
+  // set setup value according to successfully changed audio sample rate
+  setup.audio_sample_rate_44100 = (audio.sample_rate == 44100);
+#endif
+}
+
 void ToggleFullscreenIfNeeded(void)
 {
   // if setup and video fullscreen state are already matching, nothing do do
@@ -9748,6 +11763,7 @@ void ChangeViewportPropertiesIfNeeded(void)
   boolean init_gfx_buffers = FALSE;
   boolean init_video_buffer = FALSE;
   boolean init_gadgets_and_anims = FALSE;
+  boolean init_bd_graphics = FALSE;
   boolean init_em_graphics = FALSE;
 
   if (new_win_xsize != WIN_XSIZE ||
@@ -9846,7 +11862,8 @@ void ChangeViewportPropertiesIfNeeded(void)
       // changing tile size invalidates scroll values of engine snapshots
       FreeEngineSnapshotSingle();
 
-      // changing tile size requires update of graphic mapping for EM engine
+      // changing tile size requires update of graphic mapping for BD/EM engine
+      init_bd_graphics = TRUE;
       init_em_graphics = TRUE;
     }
 
@@ -9913,6 +11930,11 @@ void ChangeViewportPropertiesIfNeeded(void)
     InitGlobalAnimations();
   }
 
+  if (init_bd_graphics)
+  {
+    InitGraphicInfo_BD();
+  }
+
   if (init_em_graphics)
   {
     InitGraphicInfo_EM();
@@ -10030,10 +12052,10 @@ static unsigned int test_uuid_random_function_better(int max)
 
 static void TestGeneratingUUIDs_RunTest(int nr, int always_seed, int num_uuids)
 {
-  struct hashtable *hash_seeds =
-    create_hashtable(16, 0.75, get_hash_from_key, hash_keys_are_equal);
-  struct hashtable *hash_uuids =
-    create_hashtable(16, 0.75, get_hash_from_key, hash_keys_are_equal);
+  HashTable *hash_seeds =
+    create_hashtable(get_hash_from_string, hash_key_strings_are_equal, free, NULL);
+  HashTable *hash_uuids =
+    create_hashtable(get_hash_from_string, hash_key_strings_are_equal, free, NULL);
   static char message[100];
   int i;
 
@@ -10112,8 +12134,8 @@ static void TestGeneratingUUIDs_RunTest(int nr, int always_seed, int num_uuids)
 
   Request(message, REQ_CONFIRM);
 
-  hashtable_destroy(hash_seeds, 0);
-  hashtable_destroy(hash_uuids, 0);
+  hashtable_destroy(hash_seeds);
+  hashtable_destroy(hash_uuids);
 }
 
 void TestGeneratingUUIDs(void)