rnd-20060816-2-src
[rocksndiamonds.git] / src / init.c
index 27acb33a5245747fc62cb8479f93652bca414a8c..e8bf10b6882b507396039e60f8e966998f9b457c 100644 (file)
 #define CONFIG_TOKEN_FONT_INITIAL              "font.initial"
 
 
-struct FontBitmapInfo font_initial[NUM_INITIAL_FONTS];
+static struct FontBitmapInfo font_initial[NUM_INITIAL_FONTS];
 
-
-static void InitTileClipmasks()
+static int copy_properties[][5] =
 {
-#if 0
-#if defined(TARGET_X11)
-  XGCValues clip_gc_values;
-  unsigned long clip_gc_valuemask;
-
-#if defined(TARGET_X11_NATIVE)
-
-#if 0
-  GC copy_clipmask_gc;
-
-  static struct
   {
-    int start;
-    int count;
-  }
-  tile_needs_clipping[] =
-  {
-    { GFX_SPIELER1_UP, 4 },
-    { GFX_SPIELER1_DOWN, 4 },
-    { GFX_SPIELER1_LEFT, 4 },
-    { GFX_SPIELER1_RIGHT, 4 },
-    { GFX_SPIELER1_PUSH_LEFT, 4 },
-    { GFX_SPIELER1_PUSH_RIGHT, 4 },
-    { GFX_SPIELER2_UP, 4 },
-    { GFX_SPIELER2_DOWN, 4 },
-    { GFX_SPIELER2_LEFT, 4 },
-    { GFX_SPIELER2_RIGHT, 4 },
-    { GFX_SPIELER2_PUSH_LEFT, 4 },
-    { GFX_SPIELER2_PUSH_RIGHT, 4 },
-    { GFX_SPIELER3_UP, 4 },
-    { GFX_SPIELER3_DOWN, 4 },
-    { GFX_SPIELER3_LEFT, 4 },
-    { GFX_SPIELER3_RIGHT, 4 },
-    { GFX_SPIELER3_PUSH_LEFT, 4 },
-    { GFX_SPIELER3_PUSH_RIGHT, 4 },
-    { GFX_SPIELER4_UP, 4 },
-    { GFX_SPIELER4_DOWN, 4 },
-    { GFX_SPIELER4_LEFT, 4 },
-    { GFX_SPIELER4_RIGHT, 4 },
-    { GFX_SPIELER4_PUSH_LEFT, 4 },
-    { GFX_SPIELER4_PUSH_RIGHT, 4 },
-    { GFX_SP_MURPHY, 1 },
-    { GFX_MURPHY_GO_LEFT, 3 },
-    { GFX_MURPHY_GO_RIGHT, 3 },
-    { GFX_MURPHY_SNAP_UP, 1 },
-    { GFX_MURPHY_SNAP_DOWN, 1 },
-    { GFX_MURPHY_SNAP_RIGHT, 1 },
-    { GFX_MURPHY_SNAP_LEFT, 1 },
-    { GFX_MURPHY_PUSH_RIGHT, 1 },
-    { GFX_MURPHY_PUSH_LEFT, 1 },
-    { GFX_GEBLUBBER, 4 },
-    { GFX_DYNAMIT, 7 },
-    { GFX_DYNABOMB, 4 },
-    { GFX_EXPLOSION, 8 },
-    { GFX_SOKOBAN_OBJEKT, 1 },
-    { GFX_FUNKELN_BLAU, 3 },
-    { GFX_FUNKELN_WEISS, 3 },
-    { GFX2_SHIELD_PASSIVE, 3 },
-    { GFX2_SHIELD_ACTIVE, 3 },
-    { -1, 0 }
-  };
-#endif
-
-#endif /* TARGET_X11_NATIVE */
-#endif /* TARGET_X11 */
-
-  int i;
-
-  /* initialize pixmap array for special X11 tile clipping to Pixmap 'None' */
-  for (i = 0; i < NUM_TILES; i++)
-    tile_clipmask[i] = None;
-
-#if defined(TARGET_X11)
-  /* This stuff is needed because X11 (XSetClipOrigin(), to be precise) is
-     often very slow when preparing a masked XCopyArea() for big Pixmaps.
-     To prevent this, create small (tile-sized) mask Pixmaps which will then
-     be set much faster with XSetClipOrigin() and speed things up a lot. */
-
-  clip_gc_values.graphics_exposures = False;
-  clip_gc_valuemask = GCGraphicsExposures;
-  tile_clip_gc = XCreateGC(display, window->drawable,
-                          clip_gc_valuemask, &clip_gc_values);
-
-#if 0
-  for (i = 0; i < NUM_BITMAPS; i++)
+    EL_BUG,
+    EL_BUG_LEFT,               EL_BUG_RIGHT,
+    EL_BUG_UP,                 EL_BUG_DOWN
+  },
   {
-    if (pix[i]->clip_mask)
-    {
-      clip_gc_values.graphics_exposures = False;
-      clip_gc_values.clip_mask = pix[i]->clip_mask;
-      clip_gc_valuemask = GCGraphicsExposures | GCClipMask;
-      pix[i]->stored_clip_gc = XCreateGC(display, window->drawable,
-                                        clip_gc_valuemask, &clip_gc_values);
-    }
-  }
-#endif
-
-#if defined(TARGET_X11_NATIVE)
-
-#if 0
-  /* create graphic context structures needed for clipping */
-  clip_gc_values.graphics_exposures = False;
-  clip_gc_valuemask = GCGraphicsExposures;
-  copy_clipmask_gc = XCreateGC(display, pix[PIX_BACK]->clip_mask,
-                              clip_gc_valuemask, &clip_gc_values);
-
-  /* create only those clipping Pixmaps we really need */
-  for (i = 0; tile_needs_clipping[i].start >= 0; i++)
+    EL_SPACESHIP,
+    EL_SPACESHIP_LEFT,         EL_SPACESHIP_RIGHT,
+    EL_SPACESHIP_UP,           EL_SPACESHIP_DOWN
+  },
   {
-    int j;
-
-    for (j = 0; j < tile_needs_clipping[i].count; j++)
-    {
-      int tile = tile_needs_clipping[i].start + j;
-      int graphic = tile;
-      int src_x, src_y;
-      Bitmap *src_bitmap;
-      Pixmap src_pixmap;
-
-      getGraphicSource(graphic, &src_bitmap, &src_x, &src_y);
-      src_pixmap = src_bitmap->clip_mask;
-
-      tile_clipmask[tile] = XCreatePixmap(display, window->drawable,
-                                         TILEX, TILEY, 1);
-
-      XCopyArea(display, src_pixmap, tile_clipmask[tile], copy_clipmask_gc,
-               src_x, src_y, TILEX, TILEY, 0, 0);
-    }
-  }
-
-  XFreeGC(display, copy_clipmask_gc);
-#endif
-
-#endif /* TARGET_X11_NATIVE */
-#endif /* TARGET_X11 */
-#endif
-}
-
-void FreeTileClipmasks()
-{
-#if 0
-#if defined(TARGET_X11)
-  int i;
-
-  for (i = 0; i < NUM_TILES; i++)
+    EL_BD_BUTTERFLY,
+    EL_BD_BUTTERFLY_LEFT,      EL_BD_BUTTERFLY_RIGHT,
+    EL_BD_BUTTERFLY_UP,                EL_BD_BUTTERFLY_DOWN
+  },
   {
-    if (tile_clipmask[i] != None)
-    {
-      XFreePixmap(display, tile_clipmask[i]);
-      tile_clipmask[i] = None;
-    }
-  }
-
-  if (tile_clip_gc)
-    XFreeGC(display, tile_clip_gc);
-  tile_clip_gc = None;
-
-#if 0
-  for (i = 0; i < NUM_BITMAPS; i++)
+    EL_BD_FIREFLY,
+    EL_BD_FIREFLY_LEFT,                EL_BD_FIREFLY_RIGHT,
+    EL_BD_FIREFLY_UP,          EL_BD_FIREFLY_DOWN
+  },
   {
-    if (pix[i] != NULL && pix[i]->stored_clip_gc)
-    {
-      XFreeGC(display, pix[i]->stored_clip_gc);
-      pix[i]->stored_clip_gc = None;
-    }
+    EL_PACMAN,
+    EL_PACMAN_LEFT,            EL_PACMAN_RIGHT,
+    EL_PACMAN_UP,              EL_PACMAN_DOWN
+  },
+  {
+    EL_YAMYAM,
+    EL_YAMYAM_LEFT,            EL_YAMYAM_RIGHT,
+    EL_YAMYAM_UP,              EL_YAMYAM_DOWN
+  },
+  {
+    EL_MOLE,
+    EL_MOLE_LEFT,              EL_MOLE_RIGHT,
+    EL_MOLE_UP,                        EL_MOLE_DOWN
+  },
+  {
+    -1,
+    -1, -1, -1, -1
   }
-#endif
-
-#endif /* TARGET_X11 */
-#endif
-}
+};
 
 void FreeGadgets()
 {
@@ -246,6 +114,14 @@ inline void InitElementSmallImagesScaledUp(int graphic)
 
 void InitElementSmallImages()
 {
+  static int special_graphics[] =
+  {
+    IMG_EDITOR_ELEMENT_BORDER,
+    IMG_EDITOR_ELEMENT_BORDER_INPUT,
+    IMG_EDITOR_CASCADE_LIST,
+    IMG_EDITOR_CASCADE_LIST_ACTIVE,
+    -1
+  };
   struct PropertyMapping *property_mapping = getImageListPropertyMapping();
   int num_property_mappings = getImageListPropertyMappingSize();
   int i;
@@ -258,16 +134,22 @@ void InitElementSmallImages()
   for (i = 0; element_to_special_graphic[i].element > -1; i++)
     InitElementSmallImagesScaledUp(element_to_special_graphic[i].graphic);
 
-  /* initialize images from dynamic configuration */
+  /* initialize images from dynamic configuration (may be elements or other) */
   for (i = 0; i < num_property_mappings; i++)
-    if (property_mapping[i].artwork_index < MAX_NUM_ELEMENTS)
-      InitElementSmallImagesScaledUp(property_mapping[i].artwork_index);
+    InitElementSmallImagesScaledUp(property_mapping[i].artwork_index);
 
-#if 1
-  /* !!! FIX THIS (CHANGE TO USING NORMAL ELEMENT GRAPHIC DEFINITIONS) !!! */
-  for (i = IMG_EMC_OBJECT; i <= IMG_EMC_TITLE; i++)
-    InitElementSmallImagesScaledUp(i);
-#endif
+  /* initialize special images from above list (non-element images) */
+  for (i = 0; special_graphics[i] > -1; i++)
+    InitElementSmallImagesScaledUp(special_graphics[i]);
+}
+
+void InitScaledImages()
+{
+  int i;
+
+  /* scale normal images from static configuration, if not already scaled */
+  for (i = 0; i < NUM_IMAGE_FILES; i++)
+    ScaleImage(i, graphic_info[i].scale_up_factor);
 }
 
 #if 1
@@ -275,9 +157,7 @@ void InitElementSmallImages()
 void SetBitmaps_EM(Bitmap **em_bitmap)
 {
   em_bitmap[0] = graphic_info[IMG_EMC_OBJECT].bitmap;
-  em_bitmap[1] = graphic_info[IMG_EMC_SCORE].bitmap;
-  em_bitmap[2] = graphic_info[IMG_EMC_SPRITE].bitmap;
-  em_bitmap[3] = graphic_info[IMG_EMC_TITLE].bitmap;
+  em_bitmap[1] = graphic_info[IMG_EMC_SPRITE].bitmap;
 }
 #endif
 
@@ -316,13 +196,8 @@ void InitFontGraphicInfo()
   /* ---------- initialize font graphic definitions ---------- */
 
   /* always start with reliable default values (normal font graphics) */
-#if 1
   for (i = 0; i < NUM_FONTS; i++)
     font_info[i].graphic = IMG_FONT_INITIAL_1;
-#else
-  for (i = 0; i < NUM_FONTS; i++)
-    font_info[i].graphic = FONT_INITIAL_1;
-#endif
 
   /* initialize normal font/graphic mapping from static configuration */
   for (i = 0; font_to_graphic[i].font_nr > -1; i++)
@@ -350,12 +225,25 @@ void InitFontGraphicInfo()
   /* initialize special font/graphic mapping from static configuration */
   for (i = 0; font_to_graphic[i].font_nr > -1; i++)
   {
-    int font_nr = font_to_graphic[i].font_nr;
-    int special = font_to_graphic[i].special;
-    int graphic = font_to_graphic[i].graphic;
+    int font_nr      = font_to_graphic[i].font_nr;
+    int special      = font_to_graphic[i].special;
+    int graphic      = font_to_graphic[i].graphic;
+    int base_graphic = font2baseimg(font_nr);
 
     if (special >= 0 && special < NUM_SPECIAL_GFX_ARGS)
     {
+      boolean base_redefined =
+       getImageListEntryFromImageID(base_graphic)->redefined;
+      boolean special_redefined =
+       getImageListEntryFromImageID(graphic)->redefined;
+
+      /* if the base font ("font.title_1", for example) has been redefined,
+        but not the special font ("font.title_1.LEVELS", for example), do not
+        use an existing (in this case considered obsolete) special font
+        anymore, but use the automatically determined default font */
+      if (base_redefined && !special_redefined)
+       continue;
+
       font_info[font_nr].special_graphic[special] = graphic;
       font_info[font_nr].special_bitmap_id[special] = num_font_bitmaps;
       num_font_bitmaps++;
@@ -407,7 +295,7 @@ void InitFontGraphicInfo()
       if (graphic_info[graphic].anim_frames < MIN_NUM_CHARS_PER_FONT)
       {
        graphic_info[graphic].anim_frames = DEFAULT_NUM_CHARS_PER_FONT;
-       graphic_info[graphic].anim_frames_per_line= DEFAULT_NUM_CHARS_PER_LINE;
+       graphic_info[graphic].anim_frames_per_line = DEFAULT_NUM_CHARS_PER_LINE;
       }
 
       /* copy font relevant information from graphics information */
@@ -416,8 +304,11 @@ void InitFontGraphicInfo()
       font_bitmap_info[font_bitmap_id].src_y  = graphic_info[graphic].src_y;
       font_bitmap_info[font_bitmap_id].width  = graphic_info[graphic].width;
       font_bitmap_info[font_bitmap_id].height = graphic_info[graphic].height;
-      font_bitmap_info[font_bitmap_id].draw_x = graphic_info[graphic].draw_x;
-      font_bitmap_info[font_bitmap_id].draw_y = graphic_info[graphic].draw_y;
+
+      font_bitmap_info[font_bitmap_id].draw_xoffset =
+       graphic_info[graphic].draw_xoffset;
+      font_bitmap_info[font_bitmap_id].draw_yoffset =
+       graphic_info[graphic].draw_yoffset;
 
       font_bitmap_info[font_bitmap_id].num_chars =
        graphic_info[graphic].anim_frames;
@@ -446,7 +337,7 @@ void InitElementGraphicInfo()
       element_info[i].graphic[act] = -1;
       element_info[i].crumbled[act] = -1;
 
-      for (dir = 0; dir < NUM_DIRECTIONS; dir++)
+      for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
       {
        element_info[i].direction_graphic[act][dir] = -1;
        element_info[i].direction_crumbled[act][dir] = -1;
@@ -470,8 +361,10 @@ void InitElementGraphicInfo()
     if ((action > -1 || direction > -1 || crumbled == TRUE) &&
        base_graphic != -1)
     {
-      boolean base_redefined = getImageListEntry(base_graphic)->redefined;
-      boolean act_dir_redefined = getImageListEntry(graphic)->redefined;
+      boolean base_redefined =
+       getImageListEntryFromImageID(base_graphic)->redefined;
+      boolean act_dir_redefined =
+       getImageListEntryFromImageID(graphic)->redefined;
 
       /* if the base graphic ("emerald", for example) has been redefined,
         but not the action graphic ("emerald.falling", for example), do not
@@ -528,7 +421,7 @@ void InitElementGraphicInfo()
     if (crumbled)
     {
       if (direction < 0)
-       for (dir = 0; dir < NUM_DIRECTIONS; dir++)
+       for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
          element_info[element].direction_crumbled[action][dir] = -1;
 
       if (direction > -1)
@@ -539,7 +432,7 @@ void InitElementGraphicInfo()
     else
     {
       if (direction < 0)
-       for (dir = 0; dir < NUM_DIRECTIONS; dir++)
+       for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
          element_info[element].direction_graphic[action][dir] = -1;
 
       if (direction > -1)
@@ -567,7 +460,7 @@ void InitElementGraphicInfo()
        element_info[i].crumbled[act] =
          element_info[crumbled_like].crumbled[act];
       for (act = 0; act < NUM_ACTIONS; act++)
-       for (dir = 0; dir < NUM_DIRECTIONS; dir++)
+       for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
          element_info[i].direction_crumbled[act][dir] =
            element_info[crumbled_like].direction_crumbled[act][dir];
     }
@@ -576,7 +469,7 @@ void InitElementGraphicInfo()
     {
       element_info[i].graphic[ACTION_DIGGING] =
        element_info[diggable_like].graphic[ACTION_DIGGING];
-      for (dir = 0; dir < NUM_DIRECTIONS; dir++)
+      for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
        element_info[i].direction_graphic[ACTION_DIGGING][dir] =
          element_info[diggable_like].direction_graphic[ACTION_DIGGING][dir];
     }
@@ -588,6 +481,16 @@ void InitElementGraphicInfo()
 #endif
 
 #if 1
+  /* set hardcoded definitions for some internal elements without graphic */
+  for (i = 0; i < MAX_NUM_ELEMENTS; i++)
+  {
+    if (IS_EDITOR_CASCADE_INACTIVE(i))
+      element_info[i].graphic[ACTION_DEFAULT] = IMG_EDITOR_CASCADE_LIST;
+    else if (IS_EDITOR_CASCADE_ACTIVE(i))
+      element_info[i].graphic[ACTION_DEFAULT] = IMG_EDITOR_CASCADE_LIST_ACTIVE;
+  }
+#endif
+
   /* now set all undefined/invalid graphics to -1 to set to default after it */
   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
   {
@@ -603,7 +506,7 @@ void InitElementGraphicInfo()
       if (graphic > 0 && graphic_info[graphic].bitmap == NULL)
        element_info[i].crumbled[act] = -1;
 
-      for (dir = 0; dir < NUM_DIRECTIONS; dir++)
+      for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
       {
        graphic = element_info[i].direction_graphic[act][dir];
        if (graphic > 0 && graphic_info[graphic].bitmap == NULL)
@@ -615,22 +518,86 @@ void InitElementGraphicInfo()
       }
     }
   }
-#endif
+
+  /* adjust graphics with 2nd tile for movement according to direction
+     (do this before correcting '-1' values to minimize calculations) */
+  for (i = 0; i < MAX_NUM_ELEMENTS; i++)
+  {
+    for (act = 0; act < NUM_ACTIONS; act++)
+    {
+      for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
+      {
+       int graphic = element_info[i].direction_graphic[act][dir];
+       int move_dir = (act == ACTION_FALLING ? MV_BIT_DOWN : dir);
+
+       if (act == ACTION_FALLING)      /* special case */
+         graphic = element_info[i].graphic[act];
+
+       if (graphic != -1 &&
+           graphic_info[graphic].double_movement &&
+           graphic_info[graphic].swap_double_tiles != 0)
+       {
+         struct GraphicInfo *g = &graphic_info[graphic];
+         int src_x_front = g->src_x;
+         int src_y_front = g->src_y;
+         int src_x_back = g->src_x + g->offset2_x;
+         int src_y_back = g->src_y + g->offset2_y;
+         boolean frames_are_ordered_diagonally = (g->offset_x != 0 &&
+                                                  g->offset_y != 0);
+         boolean front_is_left_or_upper = (src_x_front < src_x_back ||
+                                           src_y_front < src_y_back);
+         boolean swap_movement_tiles_always = (g->swap_double_tiles == 1);
+         boolean swap_movement_tiles_autodetected =
+           (!frames_are_ordered_diagonally &&
+            ((move_dir == MV_BIT_LEFT  && !front_is_left_or_upper) ||
+             (move_dir == MV_BIT_UP    && !front_is_left_or_upper) ||
+             (move_dir == MV_BIT_RIGHT &&  front_is_left_or_upper) ||
+             (move_dir == MV_BIT_DOWN  &&  front_is_left_or_upper)));
+         Bitmap *dummy;
+
+         /* swap frontside and backside graphic tile coordinates, if needed */
+         if (swap_movement_tiles_always || swap_movement_tiles_autodetected)
+         {
+           /* get current (wrong) backside tile coordinates */
+           getGraphicSourceExt(graphic, 0, &dummy, &src_x_back, &src_y_back,
+                               TRUE);
+
+           /* set frontside tile coordinates to backside tile coordinates */
+           g->src_x = src_x_back;
+           g->src_y = src_y_back;
+
+           /* invert tile offset to point to new backside tile coordinates */
+           g->offset2_x *= -1;
+           g->offset2_y *= -1;
+
+           /* do not swap front and backside tiles again after correction */
+           g->swap_double_tiles = 0;
+         }
+       }
+      }
+    }
+  }
 
   /* now set all '-1' values to element specific default values */
   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
   {
     int default_graphic = element_info[i].graphic[ACTION_DEFAULT];
     int default_crumbled = element_info[i].crumbled[ACTION_DEFAULT];
-    int default_direction_graphic[NUM_DIRECTIONS];
-    int default_direction_crumbled[NUM_DIRECTIONS];
+    int default_direction_graphic[NUM_DIRECTIONS_FULL];
+    int default_direction_crumbled[NUM_DIRECTIONS_FULL];
 
     if (default_graphic == -1)
       default_graphic = IMG_UNKNOWN;
+#if 1
+    if (default_crumbled == -1)
+      default_crumbled = default_graphic;
+#else
+    /* !!! THIS LOOKS CRAPPY FOR SAND ETC. WITHOUT CRUMBLED GRAPHICS !!! */
     if (default_crumbled == -1)
       default_crumbled = IMG_EMPTY;
+#endif
 
-    for (dir = 0; dir < NUM_DIRECTIONS; dir++)
+    for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
     {
       default_direction_graphic[dir] =
        element_info[i].direction_graphic[ACTION_DEFAULT][dir];
@@ -639,8 +606,14 @@ void InitElementGraphicInfo()
 
       if (default_direction_graphic[dir] == -1)
        default_direction_graphic[dir] = default_graphic;
+#if 1
+      if (default_direction_crumbled[dir] == -1)
+       default_direction_crumbled[dir] = default_direction_graphic[dir];
+#else
+      /* !!! THIS LOOKS CRAPPY FOR SAND ETC. WITHOUT CRUMBLED GRAPHICS !!! */
       if (default_direction_crumbled[dir] == -1)
        default_direction_crumbled[dir] = default_crumbled;
+#endif
     }
 
     for (act = 0; act < NUM_ACTIONS; act++)
@@ -656,6 +629,10 @@ void InitElementGraphicInfo()
       /* generic default action graphic (defined by "[default]" directive) */
       int default_action_graphic = element_info[EL_DEFAULT].graphic[act];
       int default_action_crumbled = element_info[EL_DEFAULT].crumbled[act];
+      int default_remove_graphic = IMG_EMPTY;
+
+      if (act_remove && default_action_graphic != -1)
+       default_remove_graphic = default_action_graphic;
 
       /* look for special default action graphic (classic game specific) */
       if (IS_BD_ELEMENT(i) && element_info[EL_BD_DEFAULT].graphic[act] != -1)
@@ -684,31 +661,50 @@ void InitElementGraphicInfo()
 
       if (default_action_graphic == -1)
        default_action_graphic = default_graphic;
+#if 1
+      if (default_action_crumbled == -1)
+       default_action_crumbled = default_action_graphic;
+#else
+      /* !!! THIS LOOKS CRAPPY FOR SAND ETC. WITHOUT CRUMBLED GRAPHICS !!! */
       if (default_action_crumbled == -1)
        default_action_crumbled = default_crumbled;
+#endif
 
-      for (dir = 0; dir < NUM_DIRECTIONS; dir++)
+      for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
       {
+       /* use action graphic as the default direction graphic, if undefined */
        int default_action_direction_graphic = element_info[i].graphic[act];
        int default_action_direction_crumbled = element_info[i].crumbled[act];
 
        /* no graphic for current action -- use default direction graphic */
        if (default_action_direction_graphic == -1)
          default_action_direction_graphic =
-           (act_remove ? IMG_EMPTY :
+           (act_remove ? default_remove_graphic :
             act_turning ?
             element_info[i].direction_graphic[ACTION_TURNING][dir] :
+            default_action_graphic != default_graphic ?
+            default_action_graphic :
             default_direction_graphic[dir]);
+
+       if (element_info[i].direction_graphic[act][dir] == -1)
+         element_info[i].direction_graphic[act][dir] =
+           default_action_direction_graphic;
+
+#if 1
        if (default_action_direction_crumbled == -1)
          default_action_direction_crumbled =
-           (act_remove ? IMG_EMPTY :
+           element_info[i].direction_graphic[act][dir];
+#else
+       if (default_action_direction_crumbled == -1)
+         default_action_direction_crumbled =
+           (act_remove ? default_remove_graphic :
             act_turning ?
             element_info[i].direction_crumbled[ACTION_TURNING][dir] :
+            default_action_crumbled != default_crumbled ?
+            default_action_crumbled :
             default_direction_crumbled[dir]);
+#endif
 
-       if (element_info[i].direction_graphic[act][dir] == -1)
-         element_info[i].direction_graphic[act][dir] =
-           default_action_direction_graphic;
        if (element_info[i].direction_crumbled[act][dir] == -1)
          element_info[i].direction_crumbled[act][dir] =
            default_action_direction_crumbled;
@@ -717,18 +713,24 @@ void InitElementGraphicInfo()
       /* no graphic for this specific action -- use default action graphic */
       if (element_info[i].graphic[act] == -1)
        element_info[i].graphic[act] =
-         (act_remove ? IMG_EMPTY :
+         (act_remove ? default_remove_graphic :
           act_turning ? element_info[i].graphic[ACTION_TURNING] :
           default_action_graphic);
+#if 1
+      if (element_info[i].crumbled[act] == -1)
+       element_info[i].crumbled[act] = element_info[i].graphic[act];
+#else
       if (element_info[i].crumbled[act] == -1)
        element_info[i].crumbled[act] =
-         (act_remove ? IMG_EMPTY :
+         (act_remove ? default_remove_graphic :
           act_turning ? element_info[i].crumbled[ACTION_TURNING] :
           default_action_crumbled);
+#endif
     }
   }
 
-#if 1
+#if 0
+  /* !!! THIS ALSO CLEARS SPECIAL FLAGS (AND IS NOT NEEDED ANYWAY) !!! */
   /* set animation mode to "none" for each graphic with only 1 frame */
   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
   {
@@ -742,7 +744,7 @@ void InitElementGraphicInfo()
       if (graphic_info[crumbled].anim_frames == 1)
        graphic_info[crumbled].anim_mode = ANIM_NONE;
 
-      for (dir = 0; dir < NUM_DIRECTIONS; dir++)
+      for (dir = 0; dir < NUM_DIRECTIONS_FULL; dir++)
       {
        graphic = element_info[i].direction_graphic[act][dir];
        crumbled = element_info[i].direction_crumbled[act][dir];
@@ -789,8 +791,10 @@ void InitElementSpecialGraphicInfo()
     int special = element_to_special_graphic[i].special;
     int graphic = element_to_special_graphic[i].graphic;
     int base_graphic = el2baseimg(element);
-    boolean base_redefined = getImageListEntry(base_graphic)->redefined;
-    boolean special_redefined = getImageListEntry(graphic)->redefined;
+    boolean base_redefined =
+      getImageListEntryFromImageID(base_graphic)->redefined;
+    boolean special_redefined =
+      getImageListEntryFromImageID(graphic)->redefined;
 
     /* if the base graphic ("emerald", for example) has been redefined,
        but not the special graphic ("emerald.EDITOR", for example), do not
@@ -816,59 +820,104 @@ void InitElementSpecialGraphicInfo()
       element_info[element].special_graphic[special] = graphic;
   }
 
-#if 1
   /* now set all undefined/invalid graphics to default */
   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
     for (j = 0; j < NUM_SPECIAL_GFX_ARGS; j++)
       if (graphic_info[element_info[i].special_graphic[j]].bitmap == NULL)
        element_info[i].special_graphic[j] =
          element_info[i].graphic[ACTION_DEFAULT];
-#endif
 }
 
-static int get_element_from_token(char *token)
+static int get_graphic_parameter_value(char *value_raw, char *suffix, int type)
 {
   int i;
+  int x = 0;
+
+  if (type != TYPE_TOKEN)
+    return get_parameter_value(value_raw, suffix, type);
+
+  if (strEqual(value_raw, ARG_UNDEFINED))
+    return ARG_UNDEFINED_VALUE;
 
+  /* !!! OPTIMIZE THIS BY USING HASH !!! */
   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
-    if (strcmp(element_info[i].token_name, token) == 0)
+    if (strEqual(element_info[i].token_name, value_raw))
       return i;
 
+  /* !!! OPTIMIZE THIS BY USING HASH !!! */
+  for (i = 0; image_config[i].token != NULL; i++)
+  {
+    int len_config_value = strlen(image_config[i].value);
+
+    if (!strEqual(&image_config[i].value[len_config_value - 4], ".pcx") &&
+       !strEqual(&image_config[i].value[len_config_value - 4], ".wav") &&
+       !strEqual(image_config[i].value, UNDEFINED_FILENAME))
+      continue;
+
+    if (strEqual(image_config[i].token, value_raw))
+      return x;
+
+    x++;
+  }
+
   return -1;
 }
 
-static void set_graphic_parameters(int graphic, char **parameter_raw)
+static int get_scaled_graphic_width(int graphic)
+{
+  int original_width = getOriginalImageWidthFromImageID(graphic);
+  int scale_up_factor = graphic_info[graphic].scale_up_factor;
+
+  return original_width * scale_up_factor;
+}
+
+static int get_scaled_graphic_height(int graphic)
+{
+  int original_height = getOriginalImageHeightFromImageID(graphic);
+  int scale_up_factor = graphic_info[graphic].scale_up_factor;
+
+  return original_height * scale_up_factor;
+}
+
+static void set_graphic_parameters(int graphic)
 {
+  struct FileInfo *image = getImageListEntryFromImageID(graphic);
+  char **parameter_raw = image->parameter;
   Bitmap *src_bitmap = getBitmapFromImageID(graphic);
   int parameter[NUM_GFX_ARGS];
   int anim_frames_per_row = 1, anim_frames_per_col = 1;
   int anim_frames_per_line = 1;
   int i;
 
+  /* if fallback to default artwork is done, also use the default parameters */
+  if (image->fallback_to_default)
+    parameter_raw = image->default_parameter;
+
   /* get integer values from string parameters */
   for (i = 0; i < NUM_GFX_ARGS; i++)
-  {
-    parameter[i] =
-      get_parameter_value(image_config_suffix[i].token, parameter_raw[i],
-                         image_config_suffix[i].type);
-
-    if (image_config_suffix[i].type == TYPE_TOKEN)
-      parameter[i] = get_element_from_token(parameter_raw[i]);
-  }
+    parameter[i] = get_graphic_parameter_value(parameter_raw[i],
+                                              image_config_suffix[i].token,
+                                              image_config_suffix[i].type);
 
   graphic_info[graphic].bitmap = src_bitmap;
 
   /* start with reliable default values */
+  graphic_info[graphic].src_image_width = 0;
+  graphic_info[graphic].src_image_height = 0;
   graphic_info[graphic].src_x = 0;
   graphic_info[graphic].src_y = 0;
   graphic_info[graphic].width = TILEX;
   graphic_info[graphic].height = TILEY;
   graphic_info[graphic].offset_x = 0;  /* one or both of these values ... */
   graphic_info[graphic].offset_y = 0;  /* ... will be corrected later */
+  graphic_info[graphic].offset2_x = 0; /* one or both of these values ... */
+  graphic_info[graphic].offset2_y = 0; /* ... will be corrected later */
+  graphic_info[graphic].swap_double_tiles = -1;        /* auto-detect tile swapping */
   graphic_info[graphic].crumbled_like = -1;    /* do not use clone element */
   graphic_info[graphic].diggable_like = -1;    /* do not use clone element */
   graphic_info[graphic].border_size = TILEX / 8;  /* "CRUMBLED" border size */
   graphic_info[graphic].scale_up_factor = 1;   /* default: no scaling up */
+  graphic_info[graphic].clone_from = -1;       /* do not use clone graphic */
   graphic_info[graphic].anim_delay_fixed = 0;
   graphic_info[graphic].anim_delay_random = 0;
   graphic_info[graphic].post_delay_fixed = 0;
@@ -892,10 +941,23 @@ static void set_graphic_parameters(int graphic, char **parameter_raw)
   if (parameter[GFX_ARG_HEIGHT] != ARG_UNDEFINED_VALUE)
     graphic_info[graphic].height = parameter[GFX_ARG_HEIGHT];
 
+  /* optional zoom factor for scaling up the image to a larger size */
+  if (parameter[GFX_ARG_SCALE_UP_FACTOR] != ARG_UNDEFINED_VALUE)
+    graphic_info[graphic].scale_up_factor = parameter[GFX_ARG_SCALE_UP_FACTOR];
+  if (graphic_info[graphic].scale_up_factor < 1)
+    graphic_info[graphic].scale_up_factor = 1;         /* no scaling */
+
   if (src_bitmap)
   {
-    anim_frames_per_row = src_bitmap->width  / graphic_info[graphic].width;
-    anim_frames_per_col = src_bitmap->height / graphic_info[graphic].height;
+    /* get final bitmap size (with scaling, but without small images) */
+    int src_image_width  = get_scaled_graphic_width(graphic);
+    int src_image_height = get_scaled_graphic_height(graphic);
+
+    anim_frames_per_row = src_image_width  / graphic_info[graphic].width;
+    anim_frames_per_col = src_image_height / graphic_info[graphic].height;
+
+    graphic_info[graphic].src_image_width  = src_image_width;
+    graphic_info[graphic].src_image_height = src_image_height;
   }
 
   /* correct x or y offset dependent of vertical or horizontal frame order */
@@ -920,6 +982,32 @@ static void set_graphic_parameters(int graphic, char **parameter_raw)
   if (parameter[GFX_ARG_YOFFSET] != ARG_UNDEFINED_VALUE)
     graphic_info[graphic].offset_y = parameter[GFX_ARG_YOFFSET];
 
+  /* optionally, moving animations may have separate start and end graphics */
+  graphic_info[graphic].double_movement = parameter[GFX_ARG_2ND_MOVEMENT_TILE];
+
+  if (parameter[GFX_ARG_2ND_VERTICAL] == ARG_UNDEFINED_VALUE)
+    parameter[GFX_ARG_2ND_VERTICAL] = !parameter[GFX_ARG_VERTICAL];
+
+  /* correct x or y offset2 dependent of vertical or horizontal frame order */
+  if (parameter[GFX_ARG_2ND_VERTICAL]) /* frames are ordered vertically */
+    graphic_info[graphic].offset2_y =
+      (parameter[GFX_ARG_2ND_OFFSET] != ARG_UNDEFINED_VALUE ?
+       parameter[GFX_ARG_2ND_OFFSET] : graphic_info[graphic].height);
+  else                                 /* frames are ordered horizontally */
+    graphic_info[graphic].offset2_x =
+      (parameter[GFX_ARG_2ND_OFFSET] != ARG_UNDEFINED_VALUE ?
+       parameter[GFX_ARG_2ND_OFFSET] : graphic_info[graphic].width);
+
+  /* optionally, the x and y offset of 2nd graphic can be specified directly */
+  if (parameter[GFX_ARG_2ND_XOFFSET] != ARG_UNDEFINED_VALUE)
+    graphic_info[graphic].offset2_x = parameter[GFX_ARG_2ND_XOFFSET];
+  if (parameter[GFX_ARG_2ND_YOFFSET] != ARG_UNDEFINED_VALUE)
+    graphic_info[graphic].offset2_y = parameter[GFX_ARG_2ND_YOFFSET];
+
+  /* optionally, the second movement tile can be specified as start tile */
+  if (parameter[GFX_ARG_2ND_SWAP_TILES] != ARG_UNDEFINED_VALUE)
+    graphic_info[graphic].swap_double_tiles= parameter[GFX_ARG_2ND_SWAP_TILES];
+
   /* automatically determine correct number of frames, if not defined */
   if (parameter[GFX_ARG_FRAMES] != ARG_UNDEFINED_VALUE)
     graphic_info[graphic].anim_frames = parameter[GFX_ARG_FRAMES];
@@ -930,6 +1018,9 @@ static void set_graphic_parameters(int graphic, char **parameter_raw)
   else
     graphic_info[graphic].anim_frames = 1;
 
+  if (graphic_info[graphic].anim_frames == 0)  /* frames must be at least 1 */
+    graphic_info[graphic].anim_frames = 1;
+
   graphic_info[graphic].anim_frames_per_line =
     (parameter[GFX_ARG_FRAMES_PER_LINE] != ARG_UNDEFINED_VALUE ?
      parameter[GFX_ARG_FRAMES_PER_LINE] : anim_frames_per_line);
@@ -968,12 +1059,6 @@ static void set_graphic_parameters(int graphic, char **parameter_raw)
   if (parameter[GFX_ARG_BORDER_SIZE] != ARG_UNDEFINED_VALUE)
     graphic_info[graphic].border_size = parameter[GFX_ARG_BORDER_SIZE];
 
-  /* optional zoom factor for scaling up the image to a larger size */
-  if (parameter[GFX_ARG_SCALE_UP] != ARG_UNDEFINED_VALUE)
-    graphic_info[graphic].scale_up_factor = parameter[GFX_ARG_SCALE_UP];
-  if (graphic_info[graphic].scale_up_factor < 1)
-    graphic_info[graphic].scale_up_factor = 1;         /* no scaling */
-
   /* this is only used for player "boring" and "sleeping" actions */
   if (parameter[GFX_ARG_ANIM_DELAY_FIXED] != ARG_UNDEFINED_VALUE)
     graphic_info[graphic].anim_delay_fixed =
@@ -993,18 +1078,59 @@ static void set_graphic_parameters(int graphic, char **parameter_raw)
   graphic_info[graphic].step_delay  = parameter[GFX_ARG_STEP_DELAY];
 
   /* this is only used for drawing font characters */
-  graphic_info[graphic].draw_x = parameter[GFX_ARG_DRAW_XOFFSET];
-  graphic_info[graphic].draw_y = parameter[GFX_ARG_DRAW_YOFFSET];
+  graphic_info[graphic].draw_xoffset = parameter[GFX_ARG_DRAW_XOFFSET];
+  graphic_info[graphic].draw_yoffset = parameter[GFX_ARG_DRAW_YOFFSET];
 
   /* this is only used for drawing envelope graphics */
   graphic_info[graphic].draw_masked = parameter[GFX_ARG_DRAW_MASKED];
+
+  /* optional graphic for cloning all graphics settings */
+  if (parameter[GFX_ARG_CLONE_FROM] != ARG_UNDEFINED_VALUE)
+    graphic_info[graphic].clone_from = parameter[GFX_ARG_CLONE_FROM];
+}
+
+static void set_cloned_graphic_parameters(int graphic)
+{
+  int fallback_graphic = IMG_CHAR_EXCLAM;
+  int max_num_images = getImageListSize();
+  int clone_graphic = graphic_info[graphic].clone_from;
+  int num_references_followed = 1;
+
+  while (graphic_info[clone_graphic].clone_from != -1 &&
+        num_references_followed < max_num_images)
+  {
+    clone_graphic = graphic_info[clone_graphic].clone_from;
+
+    num_references_followed++;
+  }
+
+  if (num_references_followed >= max_num_images)
+  {
+    Error(ERR_RETURN_LINE, "-");
+    Error(ERR_RETURN, "warning: error found in config file:");
+    Error(ERR_RETURN, "- config file: '%s'", getImageConfigFilename());
+    Error(ERR_RETURN, "- config token: '%s'", getTokenFromImageID(graphic));
+    Error(ERR_RETURN, "error: loop discovered when resolving cloned graphics");
+    Error(ERR_RETURN, "custom graphic rejected for this element/action");
+
+    if (graphic == fallback_graphic)
+      Error(ERR_EXIT, "fatal error: no fallback graphic available");
+
+    Error(ERR_RETURN, "fallback done to 'char_exclam' for this graphic");
+    Error(ERR_RETURN_LINE, "-");
+
+    graphic_info[graphic] = graphic_info[fallback_graphic];
+  }
+  else
+  {
+    graphic_info[graphic] = graphic_info[clone_graphic];
+    graphic_info[graphic].clone_from = clone_graphic;
+  }
 }
 
 static void InitGraphicInfo()
 {
   int fallback_graphic = IMG_CHAR_EXCLAM;
-  struct FileInfo *fallback_image = getImageListEntry(fallback_graphic);
-  Bitmap *fallback_bitmap = getBitmapFromImageID(fallback_graphic);
   int num_images = getImageListSize();
   int i;
 
@@ -1020,10 +1146,6 @@ static void InitGraphicInfo()
 
   graphic_info = checked_calloc(num_images * sizeof(struct GraphicInfo));
 
-#if 0
-  printf("::: graphic_info: %d entries\n", num_images);
-#endif
-
 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
   if (clipmasks_initialized)
   {
@@ -1040,47 +1162,48 @@ static void InitGraphicInfo()
   }
 #endif
 
+  /* first set all graphic paramaters ... */
+  for (i = 0; i < num_images; i++)
+    set_graphic_parameters(i);
+
+  /* ... then copy these parameters for cloned graphics */
+  for (i = 0; i < num_images; i++)
+    if (graphic_info[i].clone_from != -1)
+      set_cloned_graphic_parameters(i);
+
   for (i = 0; i < num_images; i++)
   {
-    struct FileInfo *image = getImageListEntry(i);
     Bitmap *src_bitmap;
     int src_x, src_y;
     int first_frame, last_frame;
-
-#if 0
-    printf("::: image: '%s' [%d]\n", image->token, i);
-#endif
-
-#if 0
-    printf("::: image # %d: '%s' ['%s']\n",
-          i, image->token,
-          getTokenFromImageID(i));
-#endif
-
-    set_graphic_parameters(i, image->parameter);
+    int src_bitmap_width, src_bitmap_height;
 
     /* now check if no animation frames are outside of the loaded image */
 
     if (graphic_info[i].bitmap == NULL)
       continue;                /* skip check for optional images that are undefined */
 
+    /* get final bitmap size (with scaling, but without small images) */
+    src_bitmap_width  = graphic_info[i].src_image_width;
+    src_bitmap_height = graphic_info[i].src_image_height;
+
+    /* check if first animation frame is inside specified bitmap */
+
     first_frame = 0;
     getGraphicSource(i, first_frame, &src_bitmap, &src_x, &src_y);
+
     if (src_x < 0 || src_y < 0 ||
-       src_x + TILEX > src_bitmap->width ||
-       src_y + TILEY > src_bitmap->height)
+       src_x + TILEX > src_bitmap_width ||
+       src_y + TILEY > src_bitmap_height)
     {
       Error(ERR_RETURN_LINE, "-");
       Error(ERR_RETURN, "warning: error found in config file:");
-      Error(ERR_RETURN, "- config file: '%s'",
-           getImageConfigFilename());
-      Error(ERR_RETURN, "- config token: '%s'",
-           getTokenFromImageID(i));
-      Error(ERR_RETURN, "- image file: '%s'",
-           src_bitmap->source_filename);
+      Error(ERR_RETURN, "- config file: '%s'", getImageConfigFilename());
+      Error(ERR_RETURN, "- config token: '%s'", getTokenFromImageID(i));
+      Error(ERR_RETURN, "- image file: '%s'", src_bitmap->source_filename);
       Error(ERR_RETURN,
-           "error: first animation frame out of bounds (%d, %d)",
-           src_x, src_y);
+           "error: first animation frame out of bounds (%d, %d) [%d, %d]",
+           src_x, src_y, src_bitmap_width, src_bitmap_height);
       Error(ERR_RETURN, "custom graphic rejected for this element/action");
 
       if (i == fallback_graphic)
@@ -1089,27 +1212,26 @@ static void InitGraphicInfo()
       Error(ERR_RETURN, "fallback done to 'char_exclam' for this graphic");
       Error(ERR_RETURN_LINE, "-");
 
-      set_graphic_parameters(i, fallback_image->default_parameter);
-      graphic_info[i].bitmap = fallback_bitmap;
+      graphic_info[i] = graphic_info[fallback_graphic];
     }
 
+    /* check if last animation frame is inside specified bitmap */
+
     last_frame = graphic_info[i].anim_frames - 1;
     getGraphicSource(i, last_frame, &src_bitmap, &src_x, &src_y);
+
     if (src_x < 0 || src_y < 0 ||
-       src_x + TILEX > src_bitmap->width ||
-       src_y + TILEY > src_bitmap->height)
+       src_x + TILEX > src_bitmap_width ||
+       src_y + TILEY > src_bitmap_height)
     {
       Error(ERR_RETURN_LINE, "-");
       Error(ERR_RETURN, "warning: error found in config file:");
-      Error(ERR_RETURN, "- config file: '%s'",
-           getImageConfigFilename());
-      Error(ERR_RETURN, "- config token: '%s'",
-           getTokenFromImageID(i));
-      Error(ERR_RETURN, "- image file: '%s'",
-           src_bitmap->source_filename);
+      Error(ERR_RETURN, "- config file: '%s'", getImageConfigFilename());
+      Error(ERR_RETURN, "- config token: '%s'", getTokenFromImageID(i));
+      Error(ERR_RETURN, "- image file: '%s'", src_bitmap->source_filename);
       Error(ERR_RETURN,
-           "error: last animation frame (%d) out of bounds (%d, %d)",
-           last_frame, src_x, src_y);
+           "error: last animation frame (%d) out of bounds (%d, %d) [%d, %d]",
+           last_frame, src_x, src_y, src_bitmap_width, src_bitmap_height);
       Error(ERR_RETURN, "custom graphic rejected for this element/action");
 
       if (i == fallback_graphic)
@@ -1118,12 +1240,11 @@ static void InitGraphicInfo()
       Error(ERR_RETURN, "fallback done to 'char_exclam' for this graphic");
       Error(ERR_RETURN_LINE, "-");
 
-      set_graphic_parameters(i, fallback_image->default_parameter);
-      graphic_info[i].bitmap = fallback_bitmap;
+      graphic_info[i] = graphic_info[fallback_graphic];
     }
 
 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
-    /* currently we need only a tile clip mask from the first frame */
+    /* currently we only need a tile clip mask from the first frame */
     getGraphicSource(i, first_frame, &src_bitmap, &src_x, &src_y);
 
     if (copy_clipmask_gc == None)
@@ -1184,8 +1305,8 @@ static void InitElementSoundInfo()
       element_info[element].sound[action] = sound;
     else
       for (j = 0; j < MAX_NUM_ELEMENTS; j++)
-       if (strcmp(element_info[j].class_name,
-                  element_info[element].class_name) == 0)
+       if (strEqual(element_info[j].class_name,
+                    element_info[element].class_name))
          element_info[j].sound[action] = sound;
   }
 
@@ -1203,8 +1324,8 @@ static void InitElementSoundInfo()
       action = ACTION_DEFAULT;
 
     for (j = 0; j < MAX_NUM_ELEMENTS; j++)
-      if (strcmp(element_info[j].class_name,
-                element_info[element_class].class_name) == 0)
+      if (strEqual(element_info[j].class_name,
+                  element_info[element_class].class_name))
        element_info[j].sound[action] = sound;
   }
 
@@ -1247,11 +1368,26 @@ static void InitElementSoundInfo()
        default_action_sound = element_info[i].sound[ACTION_DEFAULT];
 #endif
 
+#if 1
+      /* !!! needed because EL_EMPTY_SPACE treated as IS_SP_ELEMENT !!! */
+      /* !!! make this better !!! */
+      if (i == EL_EMPTY_SPACE)
+       default_action_sound = element_info[EL_DEFAULT].sound[act];
+#endif
+
       /* no sound for this specific action -- use default action sound */
       if (element_info[i].sound[act] == -1)
        element_info[i].sound[act] = default_action_sound;
     }
   }
+
+  /* copy sound settings to some elements that are only stored in level file
+     in native R'n'D levels, but are used by game engine in native EM levels */
+  for (i = 0; copy_properties[i][0] != -1; i++)
+    for (j = 1; j <= 4; j++)
+      for (act = 0; act < NUM_ACTIONS; act++)
+       element_info[copy_properties[i][j]].sound[act] =
+         element_info[copy_properties[i][0]].sound[act];
 }
 
 static void InitGameModeSoundInfo()
@@ -1280,7 +1416,6 @@ static void InitGameModeSoundInfo()
       menu.sound[i] = menu.sound[GAME_MODE_DEFAULT];
 
 #if 0
-  /* TEST ONLY */
   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
     if (menu.sound[i] != -1)
       printf("::: menu.sound[%d] == %d\n", i, menu.sound[i]);
@@ -1295,20 +1430,23 @@ static void set_sound_parameters(int sound, char **parameter_raw)
   /* get integer values from string parameters */
   for (i = 0; i < NUM_SND_ARGS; i++)
     parameter[i] =
-      get_parameter_value(sound_config_suffix[i].token, parameter_raw[i],
+      get_parameter_value(parameter_raw[i],
+                         sound_config_suffix[i].token,
                          sound_config_suffix[i].type);
 
   /* explicit loop mode setting in configuration overrides default value */
   if (parameter[SND_ARG_MODE_LOOP] != ARG_UNDEFINED_VALUE)
     sound_info[sound].loop = parameter[SND_ARG_MODE_LOOP];
+
+  /* sound volume to change the original volume when loading the sound file */
+  sound_info[sound].volume = parameter[SND_ARG_VOLUME];
+
+  /* sound priority to give certain sounds a higher or lower priority */
+  sound_info[sound].volume = parameter[SND_ARG_VOLUME];
 }
 
 static void InitSoundInfo()
 {
-#if 0
-  struct PropertyMapping *property_mapping = getSoundListPropertyMapping();
-  int num_property_mappings = getSoundListPropertyMappingSize();
-#endif
   int *sound_effect_properties;
   int num_sounds = getSoundListSize();
   int i, j;
@@ -1342,8 +1480,8 @@ static void InitSoundInfo()
       int len_action_text = strlen(element_action_info[j].suffix);
 
       if (len_action_text < len_effect_text &&
-         strcmp(&sound->token[len_effect_text - len_action_text],
-                element_action_info[j].suffix) == 0)
+         strEqual(&sound->token[len_effect_text - len_action_text],
+                  element_action_info[j].suffix))
       {
        sound_effect_properties[i] = element_action_info[j].value;
        sound_info[i].loop = element_action_info[j].is_loop_sound;
@@ -1352,11 +1490,6 @@ static void InitSoundInfo()
       }
     }
 
-#if 0
-    if (strcmp(sound->token, "custom_42") == 0)
-      printf("::: '%s' -> %d\n", sound->token, sound_info[i].loop);
-#endif
-
     /* associate elements and some selected sound actions */
 
     for (j = 0; j < MAX_NUM_ELEMENTS; j++)
@@ -1381,61 +1514,6 @@ static void InitSoundInfo()
   }
 
   free(sound_effect_properties);
-
-#if 0
-  /* !!! now handled in InitElementSoundInfo() !!! */
-  /* initialize element/sound mapping from dynamic configuration */
-  for (i = 0; i < num_property_mappings; i++)
-  {
-    int element   = property_mapping[i].base_index;
-    int action    = property_mapping[i].ext1_index;
-    int sound     = property_mapping[i].artwork_index;
-
-    if (action < 0)
-      action = ACTION_DEFAULT;
-
-    printf("::: %d: %d, %d, %d ['%s']\n",
-          i, element, action, sound, element_info[element].token_name);
-
-    element_info[element].sound[action] = sound;
-  }
-#endif
-
-#if 0
-  /* TEST ONLY */
-  {
-    int element = EL_CUSTOM_11;
-    int j = 0;
-
-    while (element_action_info[j].suffix)
-    {
-      printf("element %d, sound action '%s'  == %d\n",
-            element, element_action_info[j].suffix,
-            element_info[element].sound[j]);
-      j++;
-    }
-  }
-
-  PlaySoundLevelElementAction(0,0, EL_CUSTOM_11, ACTION_PUSHING);
-#endif
-
-#if 0
-  /* TEST ONLY */
-  {
-    int element = EL_SAND;
-    int sound_action = ACTION_DIGGING;
-    int j = 0;
-
-    while (element_action_info[j].suffix)
-    {
-      if (element_action_info[j].value == sound_action)
-       printf("element %d, sound action '%s'  == %d\n",
-              element, element_action_info[j].suffix,
-              element_info[element].sound[sound_action]);
-      j++;
-    }
-  }
-#endif
 }
 
 static void InitGameModeMusicInfo()
@@ -1513,7 +1591,6 @@ static void InitGameModeMusicInfo()
       menu.music[i] = menu.music[GAME_MODE_DEFAULT];
 
 #if 0
-  /* TEST ONLY */
   for (i = 0; i < MAX_LEVELS; i++)
     if (levelset.music[i] != -1)
       printf("::: levelset.music[%d] == %d\n", i, levelset.music[i]);
@@ -1531,7 +1608,8 @@ static void set_music_parameters(int music, char **parameter_raw)
   /* get integer values from string parameters */
   for (i = 0; i < NUM_MUS_ARGS; i++)
     parameter[i] =
-      get_parameter_value(music_config_suffix[i].token, parameter_raw[i],
+      get_parameter_value(parameter_raw[i],
+                         music_config_suffix[i].token,
                          music_config_suffix[i].type);
 
   /* explicit loop mode setting in configuration overrides default value */
@@ -1581,9 +1659,12 @@ static void ReinitializeGraphics()
   InitElementGraphicInfo();            /* element game graphic mapping */
   InitElementSpecialGraphicInfo();     /* element special graphic mapping */
 
-  InitElementSmallImages();            /* create editor and preview images */
+  InitElementSmallImages();            /* scale elements to all needed sizes */
+  InitScaledImages();                  /* scale all other images, if needed */
   InitFontGraphicInfo();               /* initialize text drawing functions */
 
+  InitGraphicInfo_EM();                        /* graphic mapping for EM engine */
+
   SetMainBackgroundImage(IMG_BACKGROUND);
   SetDoorBackgroundImage(IMG_BACKGROUND_DOOR);
 
@@ -1624,7 +1705,7 @@ static int get_special_property_bit(int element, int property_bit_nr)
     { EL_SP_MURPHY,            0       },
     { EL_SOKOBAN_FIELD_PLAYER, 0       },
 
-    /* all element that can move may be able to also move into acid */
+    /* all elements that can move may be able to also move into acid */
     { EL_BUG,                  1       },
     { EL_BUG_LEFT,             1       },
     { EL_BUG_RIGHT,            1       },
@@ -1646,6 +1727,10 @@ static int get_special_property_bit(int element, int property_bit_nr)
     { EL_BD_FIREFLY_UP,                4       },
     { EL_BD_FIREFLY_DOWN,      4       },
     { EL_YAMYAM,               5       },
+    { EL_YAMYAM_LEFT,          5       },
+    { EL_YAMYAM_RIGHT,         5       },
+    { EL_YAMYAM_UP,            5       },
+    { EL_YAMYAM_DOWN,          5       },
     { EL_DARK_YAMYAM,          6       },
     { EL_ROBOT,                        7       },
     { EL_PACMAN,               8       },
@@ -1666,6 +1751,7 @@ static int get_special_property_bit(int element, int property_bit_nr)
     { EL_SP_ELECTRON,          15      },
     { EL_BALLOON,              16      },
     { EL_SPRING,               17      },
+    { EL_EMC_ANDROID,          18      },
 
     { -1,                      -1      },
   };
@@ -1707,7 +1793,6 @@ static int get_special_property_bit(int element, int property_bit_nr)
   return -1;
 }
 
-#if 1
 void setBitfieldProperty(int *bitfield, int property_bit_nr, int element,
                         boolean property_value)
 {
@@ -1732,29 +1817,52 @@ boolean getBitfieldProperty(int *bitfield, int property_bit_nr, int element)
   return FALSE;
 }
 
-#else
-
-void setMoveIntoAcidProperty(struct LevelInfo *level, int element, boolean set)
+#if 1
+static void resolve_group_element(int group_element, int recursion_depth)
 {
-  int bit_nr = get_special_property_bit(element, EP_CAN_MOVE_INTO_ACID);
+  static int group_nr;
+  static struct ElementGroupInfo *group;
+  struct ElementGroupInfo *actual_group = element_info[group_element].group;
+  int i;
 
-  if (bit_nr > -1)
+  if (actual_group == NULL)                    /* not yet initialized */
+    return;
+
+  if (recursion_depth > NUM_GROUP_ELEMENTS)    /* recursion too deep */
   {
-    level->can_move_into_acid_bits &= ~(1 << bit_nr);
+    Error(ERR_WARN, "recursion too deep when resolving group element %d",
+         group_element - EL_GROUP_START + 1);
 
-    if (set)
-      level->can_move_into_acid_bits |= (1 << bit_nr);
+    /* replace element which caused too deep recursion by question mark */
+    group->element_resolved[group->num_elements_resolved++] = EL_UNKNOWN;
+
+    return;
   }
-}
 
-boolean getMoveIntoAcidProperty(struct LevelInfo *level, int element)
-{
-  int bit_nr = get_special_property_bit(element, EP_CAN_MOVE_INTO_ACID);
+  if (recursion_depth == 0)                    /* initialization */
+  {
+    group = actual_group;
+    group_nr = group_element - EL_GROUP_START;
 
-  if (bit_nr > -1)
-    return ((level->can_move_into_acid_bits & (1 << bit_nr)) != 0);
+    group->num_elements_resolved = 0;
+    group->choice_pos = 0;
+  }
 
-  return FALSE;
+  for (i = 0; i < actual_group->num_elements; i++)
+  {
+    int element = actual_group->element[i];
+
+    if (group->num_elements_resolved == NUM_FILE_ELEMENTS)
+      break;
+
+    if (IS_GROUP_ELEMENT(element))
+      resolve_group_element(element, recursion_depth + 1);
+    else
+    {
+      group->element_resolved[group->num_elements_resolved++] = element;
+      element_info[element].in_group[group_nr] = TRUE;
+    }
+  }
 }
 #endif
 
@@ -1769,6 +1877,7 @@ void InitElementPropertiesStatic()
     EL_TRAP,
     EL_INVISIBLE_SAND,
     EL_INVISIBLE_SAND_ACTIVE,
+    EL_EMC_GRASS,
 
     /* !!! currently not diggable, but handled by 'ep_dont_run_into' !!! */
     /* (if amoeba can grow into anything diggable, maybe keep these out) */
@@ -1776,7 +1885,9 @@ void InitElementPropertiesStatic()
     EL_LANDMINE,
     EL_TRAP_ACTIVE,
     EL_SP_BUGGY_BASE_ACTIVE,
+    EL_EMC_PLANT,
 #endif
+
     -1
   };
 
@@ -1796,7 +1907,12 @@ void InitElementPropertiesStatic()
     EL_EM_KEY_2,
     EL_EM_KEY_3,
     EL_EM_KEY_4,
+    EL_EMC_KEY_5,
+    EL_EMC_KEY_6,
+    EL_EMC_KEY_7,
+    EL_EMC_KEY_8,
     EL_DYNAMITE,
+    EL_EM_DYNAMITE,
     EL_DYNABOMB_INCREASE_NUMBER,
     EL_DYNABOMB_INCREASE_SIZE,
     EL_DYNABOMB_INCREASE_POWER,
@@ -1813,6 +1929,9 @@ void InitElementPropertiesStatic()
     EL_ENVELOPE_3,
     EL_ENVELOPE_4,
     EL_SPEED_PILL,
+    EL_EMC_LENSES,
+    EL_EMC_MAGNIFIER,
+
     -1
   };
 
@@ -1841,7 +1960,9 @@ void InitElementPropertiesStatic()
     EL_LANDMINE,
     EL_TRAP_ACTIVE,
     EL_SP_BUGGY_BASE_ACTIVE,
+    EL_EMC_PLANT,
 #endif
+
     -1
   };
 
@@ -1860,6 +1981,7 @@ void InitElementPropertiesStatic()
     EL_PACMAN,
     EL_SP_SNIKSNAK,
     EL_SP_ELECTRON,
+
     -1
   };
 
@@ -1869,6 +1991,7 @@ void InitElementPropertiesStatic()
     EL_SPACESHIP,
     EL_BD_BUTTERFLY,
     EL_BD_FIREFLY,
+
     -1
   };
 
@@ -1934,6 +2057,10 @@ void InitElementPropertiesStatic()
     EL_GATE_2_GRAY,
     EL_GATE_3_GRAY,
     EL_GATE_4_GRAY,
+    EL_GATE_1_GRAY_ACTIVE,
+    EL_GATE_2_GRAY_ACTIVE,
+    EL_GATE_3_GRAY_ACTIVE,
+    EL_GATE_4_GRAY_ACTIVE,
     EL_EM_GATE_1,
     EL_EM_GATE_2,
     EL_EM_GATE_3,
@@ -1942,6 +2069,22 @@ void InitElementPropertiesStatic()
     EL_EM_GATE_2_GRAY,
     EL_EM_GATE_3_GRAY,
     EL_EM_GATE_4_GRAY,
+    EL_EM_GATE_1_GRAY_ACTIVE,
+    EL_EM_GATE_2_GRAY_ACTIVE,
+    EL_EM_GATE_3_GRAY_ACTIVE,
+    EL_EM_GATE_4_GRAY_ACTIVE,
+    EL_EMC_GATE_5,
+    EL_EMC_GATE_6,
+    EL_EMC_GATE_7,
+    EL_EMC_GATE_8,
+    EL_EMC_GATE_5_GRAY,
+    EL_EMC_GATE_6_GRAY,
+    EL_EMC_GATE_7_GRAY,
+    EL_EMC_GATE_8_GRAY,
+    EL_EMC_GATE_5_GRAY_ACTIVE,
+    EL_EMC_GATE_6_GRAY_ACTIVE,
+    EL_EMC_GATE_7_GRAY_ACTIVE,
+    EL_EMC_GATE_8_GRAY_ACTIVE,
     EL_SWITCHGATE_OPEN,
     EL_SWITCHGATE_OPENING,
     EL_SWITCHGATE_CLOSED,
@@ -1969,6 +2112,7 @@ void InitElementPropertiesStatic()
     EL_TUBE_LEFT_DOWN,
     EL_TUBE_RIGHT_UP,
     EL_TUBE_RIGHT_DOWN,
+
     -1
   };
 
@@ -2006,6 +2150,13 @@ void InitElementPropertiesStatic()
     EL_STEELWALL_SLIPPERY,
     EL_PEARL,
     EL_CRYSTAL,
+    EL_EMC_WALL_SLIPPERY_1,
+    EL_EMC_WALL_SLIPPERY_2,
+    EL_EMC_WALL_SLIPPERY_3,
+    EL_EMC_WALL_SLIPPERY_4,
+    EL_EMC_MAGIC_BALL,
+    EL_EMC_MAGIC_BALL_ACTIVE,
+
     -1
   };
 
@@ -2034,6 +2185,8 @@ void InitElementPropertiesStatic()
     EL_SP_ELECTRON,
     EL_BALLOON,
     EL_SPRING,
+    EL_EMC_ANDROID,
+
     -1
   };
 
@@ -2062,6 +2215,7 @@ void InitElementPropertiesStatic()
     EL_CRYSTAL,
     EL_SPRING,
     EL_DX_SUPABOMB,
+
     -1
   };
 
@@ -2087,6 +2241,7 @@ void InitElementPropertiesStatic()
     EL_CRYSTAL,
     EL_SPRING,
     EL_DX_SUPABOMB,
+
     -1
   };
 
@@ -2095,6 +2250,7 @@ void InitElementPropertiesStatic()
     EL_ROCK,
     EL_BD_ROCK,
     EL_SP_ZONK,
+
     -1
   };
 
@@ -2103,6 +2259,7 @@ void InitElementPropertiesStatic()
     EL_ROCK,
     EL_BD_ROCK,
     EL_SP_ZONK,
+
     -1
   };
 
@@ -2120,8 +2277,10 @@ void InitElementPropertiesStatic()
     EL_MOLE,
 
     /* new elements */
-    EL_DYNAMITE_ACTIVE,
     EL_DYNAMITE,
+    EL_DYNAMITE_ACTIVE,
+    EL_EM_DYNAMITE,
+    EL_EM_DYNAMITE_ACTIVE,
     EL_DYNABOMB_PLAYER_1_ACTIVE,
     EL_DYNABOMB_PLAYER_2_ACTIVE,
     EL_DYNABOMB_PLAYER_3_ACTIVE,
@@ -2139,6 +2298,7 @@ void InitElementPropertiesStatic()
 #if 0
     EL_BLACK_ORB,
 #endif
+
     -1
   };
 
@@ -2154,6 +2314,7 @@ void InitElementPropertiesStatic()
     EL_PIG,
     EL_DRAGON,
     EL_MOLE,
+
     -1
   };
 
@@ -2162,6 +2323,7 @@ void InitElementPropertiesStatic()
     EL_BOMB,
     EL_SP_DISK_ORANGE,
     EL_DX_SUPABOMB,
+
     -1
   };
 
@@ -2181,9 +2343,14 @@ void InitElementPropertiesStatic()
     EL_GATE_2_GRAY,
     EL_GATE_3_GRAY,
     EL_GATE_4_GRAY,
+    EL_GATE_1_GRAY_ACTIVE,
+    EL_GATE_2_GRAY_ACTIVE,
+    EL_GATE_3_GRAY_ACTIVE,
+    EL_GATE_4_GRAY_ACTIVE,
     EL_PENGUIN,
     EL_PIG,
     EL_DRAGON,
+
     -1
   };
 
@@ -2200,6 +2367,7 @@ void InitElementPropertiesStatic()
     EL_TUBE_LEFT_DOWN,
     EL_TUBE_RIGHT_UP,
     EL_TUBE_RIGHT_DOWN,
+
     -1
   };
 
@@ -2218,8 +2386,25 @@ void InitElementPropertiesStatic()
     EL_EM_GATE_2_GRAY,
     EL_EM_GATE_3_GRAY,
     EL_EM_GATE_4_GRAY,
+    EL_EM_GATE_1_GRAY_ACTIVE,
+    EL_EM_GATE_2_GRAY_ACTIVE,
+    EL_EM_GATE_3_GRAY_ACTIVE,
+    EL_EM_GATE_4_GRAY_ACTIVE,
+    EL_EMC_GATE_5,
+    EL_EMC_GATE_6,
+    EL_EMC_GATE_7,
+    EL_EMC_GATE_8,
+    EL_EMC_GATE_5_GRAY,
+    EL_EMC_GATE_6_GRAY,
+    EL_EMC_GATE_7_GRAY,
+    EL_EMC_GATE_8_GRAY,
+    EL_EMC_GATE_5_GRAY_ACTIVE,
+    EL_EMC_GATE_6_GRAY_ACTIVE,
+    EL_EMC_GATE_7_GRAY_ACTIVE,
+    EL_EMC_GATE_8_GRAY_ACTIVE,
     EL_SWITCHGATE_OPEN,
     EL_TIMEGATE_OPEN,
+
     -1
   };
 
@@ -2244,6 +2429,7 @@ void InitElementPropertiesStatic()
     EL_SP_GRAVITY_OFF_PORT_RIGHT,
     EL_SP_GRAVITY_OFF_PORT_UP,
     EL_SP_GRAVITY_OFF_PORT_DOWN,
+
     -1
   };
 
@@ -2278,6 +2464,8 @@ void InitElementPropertiesStatic()
     EL_SATELLITE,
     EL_SP_DISK_YELLOW,
     EL_BALLOON,
+    EL_EMC_ANDROID,
+
     -1
   };
 
@@ -2310,6 +2498,22 @@ void InitElementPropertiesStatic()
     EL_EM_GATE_2_GRAY,
     EL_EM_GATE_3_GRAY,
     EL_EM_GATE_4_GRAY,
+    EL_EM_GATE_1_GRAY_ACTIVE,
+    EL_EM_GATE_2_GRAY_ACTIVE,
+    EL_EM_GATE_3_GRAY_ACTIVE,
+    EL_EM_GATE_4_GRAY_ACTIVE,
+    EL_EMC_GATE_5,
+    EL_EMC_GATE_6,
+    EL_EMC_GATE_7,
+    EL_EMC_GATE_8,
+    EL_EMC_GATE_5_GRAY,
+    EL_EMC_GATE_6_GRAY,
+    EL_EMC_GATE_7_GRAY,
+    EL_EMC_GATE_8_GRAY,
+    EL_EMC_GATE_5_GRAY_ACTIVE,
+    EL_EMC_GATE_6_GRAY_ACTIVE,
+    EL_EMC_GATE_7_GRAY_ACTIVE,
+    EL_EMC_GATE_8_GRAY_ACTIVE,
     EL_SWITCHGATE_OPEN,
     EL_TIMEGATE_OPEN,
 
@@ -2333,6 +2537,7 @@ void InitElementPropertiesStatic()
     EL_SP_GRAVITY_OFF_PORT_RIGHT,
     EL_SP_GRAVITY_OFF_PORT_UP,
     EL_SP_GRAVITY_OFF_PORT_DOWN,
+
     -1
   };
 
@@ -2355,8 +2560,10 @@ void InitElementPropertiesStatic()
     EL_MOLE,
 
     /* elements that can explode by explosion or by dragonfire */
-    EL_DYNAMITE_ACTIVE,
     EL_DYNAMITE,
+    EL_DYNAMITE_ACTIVE,
+    EL_EM_DYNAMITE,
+    EL_EM_DYNAMITE_ACTIVE,
     EL_DYNABOMB_PLAYER_1_ACTIVE,
     EL_DYNABOMB_PLAYER_2_ACTIVE,
     EL_DYNABOMB_PLAYER_3_ACTIVE,
@@ -2374,6 +2581,7 @@ void InitElementPropertiesStatic()
 
     /* elements that can explode only by explosion */
     EL_BLACK_ORB,
+
     -1
   };
 
@@ -2403,6 +2611,8 @@ void InitElementPropertiesStatic()
     EL_SP_GRAVITY_OFF_PORT_RIGHT,
     EL_SP_GRAVITY_OFF_PORT_UP,
     EL_SP_GRAVITY_OFF_PORT_DOWN,
+    EL_EMC_GRASS,
+
     -1
   };
 
@@ -2415,6 +2625,7 @@ void InitElementPropertiesStatic()
     EL_SP_MURPHY,
     EL_SOKOBAN_FIELD_PLAYER,
     EL_TRIGGER_PLAYER,
+
     -1
   };
 
@@ -2428,6 +2639,7 @@ void InitElementPropertiesStatic()
     EL_EMERALD_RED,
     EL_EMERALD_PURPLE,
     EL_DIAMOND,
+
     -1
   };
 
@@ -2457,8 +2669,12 @@ void InitElementPropertiesStatic()
     EL_BALLOON_SWITCH_UP,
     EL_BALLOON_SWITCH_DOWN,
     EL_BALLOON_SWITCH_ANY,
+    EL_BALLOON_SWITCH_NONE,
     EL_LAMP,
     EL_TIME_ORB_FULL,
+    EL_EMC_MAGIC_BALL_SWITCH,
+    EL_EMC_MAGIC_BALL_SWITCH_ACTIVE,
+
     -1
   };
 
@@ -2492,6 +2708,7 @@ void InitElementPropertiesStatic()
     EL_BD_AMOEBA,
     EL_CHAR_QUESTION,
     EL_UNKNOWN,
+
     -1
   };
 
@@ -2566,6 +2783,7 @@ void InitElementPropertiesStatic()
     EL_SP_BUGGY_BASE_ACTIVE,
     EL_SP_EXIT_OPENING,
     EL_SP_EXIT_CLOSING,
+
     -1
   };
 
@@ -2582,6 +2800,7 @@ void InitElementPropertiesStatic()
     EL_PLAYER_3,
     EL_PLAYER_4,
     EL_INVISIBLE_STEELWALL,
+
     -1
   };
 
@@ -2593,6 +2812,7 @@ void InitElementPropertiesStatic()
     EL_EMERALD_RED,
     EL_EMERALD_PURPLE,
     EL_DIAMOND,
+
     -1
   };
 
@@ -2620,6 +2840,7 @@ void InitElementPropertiesStatic()
     EL_DIAMOND,
     EL_PEARL,
     EL_CRYSTAL,
+
     -1
   };
 
@@ -2633,6 +2854,7 @@ void InitElementPropertiesStatic()
     EL_DIAMOND,
     EL_PEARL,
     EL_CRYSTAL,
+
     -1
   };
 
@@ -2644,6 +2866,7 @@ void InitElementPropertiesStatic()
     EL_EMERALD_RED,
     EL_EMERALD_PURPLE,
     EL_DIAMOND,
+
     -1
   };
 
@@ -2658,6 +2881,10 @@ void InitElementPropertiesStatic()
     EL_GATE_2_GRAY,
     EL_GATE_3_GRAY,
     EL_GATE_4_GRAY,
+    EL_GATE_1_GRAY_ACTIVE,
+    EL_GATE_2_GRAY_ACTIVE,
+    EL_GATE_3_GRAY_ACTIVE,
+    EL_GATE_4_GRAY_ACTIVE,
     EL_EM_GATE_1,
     EL_EM_GATE_2,
     EL_EM_GATE_3,
@@ -2666,6 +2893,10 @@ void InitElementPropertiesStatic()
     EL_EM_GATE_2_GRAY,
     EL_EM_GATE_3_GRAY,
     EL_EM_GATE_4_GRAY,
+    EL_EM_GATE_1_GRAY_ACTIVE,
+    EL_EM_GATE_2_GRAY_ACTIVE,
+    EL_EM_GATE_3_GRAY_ACTIVE,
+    EL_EM_GATE_4_GRAY_ACTIVE,
     EL_EXIT_CLOSED,
     EL_EXIT_OPENING,
     EL_EXIT_OPEN,
@@ -2676,6 +2907,7 @@ void InitElementPropertiesStatic()
     EL_EXPANDABLE_WALL_VERTICAL,
     EL_EXPANDABLE_WALL_ANY,
     EL_EXPANDABLE_WALL_GROWING,
+    EL_BD_EXPANDABLE_WALL,
     EL_BD_WALL,
     EL_SP_CHIP_SINGLE,
     EL_SP_CHIP_LEFT,
@@ -2714,6 +2946,7 @@ void InitElementPropertiesStatic()
     EL_EMC_WALL_6,
     EL_EMC_WALL_7,
     EL_EMC_WALL_8,
+
     -1
   };
 
@@ -2724,6 +2957,7 @@ void InitElementPropertiesStatic()
     EL_EXPANDABLE_WALL_HORIZONTAL,
     EL_EXPANDABLE_WALL_VERTICAL,
     EL_EXPANDABLE_WALL_ANY,
+    EL_BD_EXPANDABLE_WALL,
     EL_BD_WALL,
     EL_WALL_SLIPPERY,
     EL_EXIT_CLOSED,
@@ -2842,6 +3076,10 @@ void InitElementPropertiesStatic()
     EL_GATE_2_GRAY,
     EL_GATE_3_GRAY,
     EL_GATE_4_GRAY,
+    EL_GATE_1_GRAY_ACTIVE,
+    EL_GATE_2_GRAY_ACTIVE,
+    EL_GATE_3_GRAY_ACTIVE,
+    EL_GATE_4_GRAY_ACTIVE,
     EL_EM_GATE_1,
     EL_EM_GATE_2,
     EL_EM_GATE_3,
@@ -2850,6 +3088,10 @@ void InitElementPropertiesStatic()
     EL_EM_GATE_2_GRAY,
     EL_EM_GATE_3_GRAY,
     EL_EM_GATE_4_GRAY,
+    EL_EM_GATE_1_GRAY_ACTIVE,
+    EL_EM_GATE_2_GRAY_ACTIVE,
+    EL_EM_GATE_3_GRAY_ACTIVE,
+    EL_EM_GATE_4_GRAY_ACTIVE,
     EL_SWITCHGATE_OPEN,
     EL_SWITCHGATE_OPENING,
     EL_SWITCHGATE_CLOSED,
@@ -2869,6 +3111,7 @@ void InitElementPropertiesStatic()
     EL_TUBE_LEFT_DOWN,
     EL_TUBE_RIGHT_UP,
     EL_TUBE_RIGHT_DOWN,
+
     -1
   };
 
@@ -2885,6 +3128,7 @@ void InitElementPropertiesStatic()
     EL_PACMAN,
     EL_SP_SNIKSNAK,
     EL_SP_ELECTRON,
+
     -1
   };
 
@@ -2902,6 +3146,7 @@ void InitElementPropertiesStatic()
     EL_CONVEYOR_BELT_4_LEFT,
     EL_CONVEYOR_BELT_4_MIDDLE,
     EL_CONVEYOR_BELT_4_RIGHT,
+
     -1
   };
 
@@ -2919,6 +3164,7 @@ void InitElementPropertiesStatic()
     EL_CONVEYOR_BELT_4_LEFT_ACTIVE,
     EL_CONVEYOR_BELT_4_MIDDLE_ACTIVE,
     EL_CONVEYOR_BELT_4_RIGHT_ACTIVE,
+
     -1
   };
 
@@ -2936,6 +3182,7 @@ void InitElementPropertiesStatic()
     EL_CONVEYOR_BELT_4_SWITCH_LEFT,
     EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
     EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
+
     -1
   };
 
@@ -2952,6 +3199,7 @@ void InitElementPropertiesStatic()
     EL_TUBE_VERTICAL_LEFT,
     EL_TUBE_VERTICAL_RIGHT,
     EL_TUBE_ANY,
+
     -1
   };
 
@@ -2965,6 +3213,10 @@ void InitElementPropertiesStatic()
     EL_GATE_2_GRAY,
     EL_GATE_3_GRAY,
     EL_GATE_4_GRAY,
+    EL_GATE_1_GRAY_ACTIVE,
+    EL_GATE_2_GRAY_ACTIVE,
+    EL_GATE_3_GRAY_ACTIVE,
+    EL_GATE_4_GRAY_ACTIVE,
     EL_EM_GATE_1,
     EL_EM_GATE_2,
     EL_EM_GATE_3,
@@ -2973,6 +3225,23 @@ void InitElementPropertiesStatic()
     EL_EM_GATE_2_GRAY,
     EL_EM_GATE_3_GRAY,
     EL_EM_GATE_4_GRAY,
+    EL_EM_GATE_1_GRAY_ACTIVE,
+    EL_EM_GATE_2_GRAY_ACTIVE,
+    EL_EM_GATE_3_GRAY_ACTIVE,
+    EL_EM_GATE_4_GRAY_ACTIVE,
+    EL_EMC_GATE_5,
+    EL_EMC_GATE_6,
+    EL_EMC_GATE_7,
+    EL_EMC_GATE_8,
+    EL_EMC_GATE_5_GRAY,
+    EL_EMC_GATE_6_GRAY,
+    EL_EMC_GATE_7_GRAY,
+    EL_EMC_GATE_8_GRAY,
+    EL_EMC_GATE_5_GRAY_ACTIVE,
+    EL_EMC_GATE_6_GRAY_ACTIVE,
+    EL_EMC_GATE_7_GRAY_ACTIVE,
+    EL_EMC_GATE_8_GRAY_ACTIVE,
+
     -1
   };
 
@@ -2983,6 +3252,8 @@ void InitElementPropertiesStatic()
     EL_AMOEBA_DRY,
     EL_AMOEBA_FULL,
     EL_BD_AMOEBA,
+    EL_EMC_DRIPPER,
+
     -1
   };
 
@@ -2992,16 +3263,30 @@ void InitElementPropertiesStatic()
     EL_AMOEBA_DRY,
     EL_AMOEBA_FULL,
     EL_BD_AMOEBA,
+    EL_EMC_DRIPPER,
+
     -1
   };
 
-  static int ep_has_content[] =
+  static int ep_has_editor_content[] =
   {
+    EL_PLAYER_1,
+    EL_PLAYER_2,
+    EL_PLAYER_3,
+    EL_PLAYER_4,
+    EL_SP_MURPHY,
     EL_YAMYAM,
+    EL_YAMYAM_LEFT,
+    EL_YAMYAM_RIGHT,
+    EL_YAMYAM_UP,
+    EL_YAMYAM_DOWN,
     EL_AMOEBA_WET,
     EL_AMOEBA_DRY,
     EL_AMOEBA_FULL,
     EL_BD_AMOEBA,
+    EL_EMC_MAGIC_BALL,
+    EL_EMC_ANDROID,
+
     -1
   };
 
@@ -3020,17 +3305,21 @@ void InitElementPropertiesStatic()
     EL_AMOEBA_FULL,
     EL_GAME_OF_LIFE,
     EL_BIOMAZE,
+    EL_EMC_DRIPPER,
+
     -1
   };
 
   static int ep_active_bomb[] =
   {
     EL_DYNAMITE_ACTIVE,
+    EL_EM_DYNAMITE_ACTIVE,
     EL_DYNABOMB_PLAYER_1_ACTIVE,
     EL_DYNABOMB_PLAYER_2_ACTIVE,
     EL_DYNABOMB_PLAYER_3_ACTIVE,
     EL_DYNABOMB_PLAYER_4_ACTIVE,
     EL_SP_DISK_RED_ACTIVE,
+
     -1
   };
 
@@ -3054,6 +3343,10 @@ void InitElementPropertiesStatic()
     EL_EM_KEY_2,
     EL_EM_KEY_3,
     EL_EM_KEY_4,
+    EL_EMC_KEY_5,
+    EL_EMC_KEY_6,
+    EL_EMC_KEY_7,
+    EL_EMC_KEY_8,
     EL_GATE_1,
     EL_GATE_2,
     EL_GATE_3,
@@ -3062,6 +3355,10 @@ void InitElementPropertiesStatic()
     EL_GATE_2_GRAY,
     EL_GATE_3_GRAY,
     EL_GATE_4_GRAY,
+    EL_GATE_1_GRAY_ACTIVE,
+    EL_GATE_2_GRAY_ACTIVE,
+    EL_GATE_3_GRAY_ACTIVE,
+    EL_GATE_4_GRAY_ACTIVE,
     EL_EM_GATE_1,
     EL_EM_GATE_2,
     EL_EM_GATE_3,
@@ -3070,7 +3367,24 @@ void InitElementPropertiesStatic()
     EL_EM_GATE_2_GRAY,
     EL_EM_GATE_3_GRAY,
     EL_EM_GATE_4_GRAY,
+    EL_EM_GATE_1_GRAY_ACTIVE,
+    EL_EM_GATE_2_GRAY_ACTIVE,
+    EL_EM_GATE_3_GRAY_ACTIVE,
+    EL_EM_GATE_4_GRAY_ACTIVE,
+    EL_EMC_GATE_5,
+    EL_EMC_GATE_6,
+    EL_EMC_GATE_7,
+    EL_EMC_GATE_8,
+    EL_EMC_GATE_5_GRAY,
+    EL_EMC_GATE_6_GRAY,
+    EL_EMC_GATE_7_GRAY,
+    EL_EMC_GATE_8_GRAY,
+    EL_EMC_GATE_5_GRAY_ACTIVE,
+    EL_EMC_GATE_6_GRAY_ACTIVE,
+    EL_EMC_GATE_7_GRAY_ACTIVE,
+    EL_EMC_GATE_8_GRAY_ACTIVE,
     EL_DYNAMITE,
+    EL_EM_DYNAMITE,
     EL_INVISIBLE_STEELWALL,
     EL_INVISIBLE_WALL,
     EL_INVISIBLE_SAND,
@@ -3171,6 +3485,10 @@ void InitElementPropertiesStatic()
     EL_EMC_STEELWALL_2,
     EL_EMC_STEELWALL_3,
     EL_EMC_STEELWALL_4,
+    EL_EMC_WALL_SLIPPERY_1,
+    EL_EMC_WALL_SLIPPERY_2,
+    EL_EMC_WALL_SLIPPERY_3,
+    EL_EMC_WALL_SLIPPERY_4,
     EL_EMC_WALL_1,
     EL_EMC_WALL_2,
     EL_EMC_WALL_3,
@@ -3179,6 +3497,15 @@ void InitElementPropertiesStatic()
     EL_EMC_WALL_6,
     EL_EMC_WALL_7,
     EL_EMC_WALL_8,
+    EL_EMC_WALL_9,
+    EL_EMC_WALL_10,
+    EL_EMC_WALL_11,
+    EL_EMC_WALL_12,
+    EL_EMC_WALL_13,
+    EL_EMC_WALL_14,
+    EL_EMC_WALL_15,
+    EL_EMC_WALL_16,
+
     -1
   };
 
@@ -3193,6 +3520,60 @@ void InitElementPropertiesStatic()
     EL_LANDMINE,
     EL_TRAP,
     EL_TRAP_ACTIVE,
+
+    -1
+  };
+
+  static int ep_editor_cascade_active[] =
+  {
+    EL_INTERNAL_CASCADE_BD_ACTIVE,
+    EL_INTERNAL_CASCADE_EM_ACTIVE,
+    EL_INTERNAL_CASCADE_EMC_ACTIVE,
+    EL_INTERNAL_CASCADE_RND_ACTIVE,
+    EL_INTERNAL_CASCADE_SB_ACTIVE,
+    EL_INTERNAL_CASCADE_SP_ACTIVE,
+    EL_INTERNAL_CASCADE_DC_ACTIVE,
+    EL_INTERNAL_CASCADE_DX_ACTIVE,
+    EL_INTERNAL_CASCADE_CHARS_ACTIVE,
+    EL_INTERNAL_CASCADE_CE_ACTIVE,
+    EL_INTERNAL_CASCADE_GE_ACTIVE,
+    EL_INTERNAL_CASCADE_REF_ACTIVE,
+    EL_INTERNAL_CASCADE_USER_ACTIVE,
+    EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
+
+    -1
+  };
+
+  static int ep_editor_cascade_inactive[] =
+  {
+    EL_INTERNAL_CASCADE_BD,
+    EL_INTERNAL_CASCADE_EM,
+    EL_INTERNAL_CASCADE_EMC,
+    EL_INTERNAL_CASCADE_RND,
+    EL_INTERNAL_CASCADE_SB,
+    EL_INTERNAL_CASCADE_SP,
+    EL_INTERNAL_CASCADE_DC,
+    EL_INTERNAL_CASCADE_DX,
+    EL_INTERNAL_CASCADE_CHARS,
+    EL_INTERNAL_CASCADE_CE,
+    EL_INTERNAL_CASCADE_GE,
+    EL_INTERNAL_CASCADE_REF,
+    EL_INTERNAL_CASCADE_USER,
+    EL_INTERNAL_CASCADE_DYNAMIC,
+
+    -1
+  };
+
+  static int ep_obsolete[] =
+  {
+    EL_PLAYER_OBSOLETE,
+    EL_KEY_OBSOLETE,
+    EL_EM_KEY_1_FILE_OBSOLETE,
+    EL_EM_KEY_2_FILE_OBSOLETE,
+    EL_EM_KEY_3_FILE_OBSOLETE,
+    EL_EM_KEY_4_FILE_OBSOLETE,
+    EL_ENVELOPE_OBSOLETE,
+
     -1
   };
 
@@ -3202,106 +3583,73 @@ void InitElementPropertiesStatic()
     int property;
   } element_properties[] =
   {
-    { ep_diggable,             EP_DIGGABLE             },
-    { ep_collectible_only,     EP_COLLECTIBLE_ONLY     },
-    { ep_dont_run_into,                EP_DONT_RUN_INTO        },
-    { ep_dont_collide_with,    EP_DONT_COLLIDE_WITH    },
-    { ep_dont_touch,           EP_DONT_TOUCH           },
-    { ep_indestructible,       EP_INDESTRUCTIBLE       },
-    { ep_slippery,             EP_SLIPPERY             },
-    { ep_can_change,           EP_CAN_CHANGE           },
-    { ep_can_move,             EP_CAN_MOVE             },
-    { ep_can_fall,             EP_CAN_FALL             },
-    { ep_can_smash_player,     EP_CAN_SMASH_PLAYER     },
-    { ep_can_smash_enemies,    EP_CAN_SMASH_ENEMIES    },
-    { ep_can_smash_everything, EP_CAN_SMASH_EVERYTHING },
-    { ep_explodes_by_fire,     EP_EXPLODES_BY_FIRE     },
-    { ep_explodes_smashed,     EP_EXPLODES_SMASHED     },
-    { ep_explodes_impact,      EP_EXPLODES_IMPACT      },
-    { ep_walkable_over,                EP_WALKABLE_OVER        },
-    { ep_walkable_inside,      EP_WALKABLE_INSIDE      },
-    { ep_walkable_under,       EP_WALKABLE_UNDER       },
-    { ep_passable_over,                EP_PASSABLE_OVER        },
-    { ep_passable_inside,      EP_PASSABLE_INSIDE      },
-    { ep_passable_under,       EP_PASSABLE_UNDER       },
-    { ep_droppable,            EP_DROPPABLE            },
-    { ep_explodes_1x1_old,     EP_EXPLODES_1X1_OLD     },
-    { ep_pushable,             EP_PUSHABLE             },
-    { ep_explodes_cross_old,   EP_EXPLODES_CROSS_OLD   },
-    { ep_protected,            EP_PROTECTED            },
-    { ep_throwable,            EP_THROWABLE            },
-    { ep_can_explode,          EP_CAN_EXPLODE          },
-    { ep_gravity_reachable,    EP_GRAVITY_REACHABLE    },
-
-    { ep_player,               EP_PLAYER               },
-    { ep_can_pass_magic_wall,  EP_CAN_PASS_MAGIC_WALL  },
-    { ep_switchable,           EP_SWITCHABLE           },
-    { ep_bd_element,           EP_BD_ELEMENT           },
-    { ep_sp_element,           EP_SP_ELEMENT           },
-    { ep_sb_element,           EP_SB_ELEMENT           },
-    { ep_gem,                  EP_GEM                  },
-    { ep_food_dark_yamyam,     EP_FOOD_DARK_YAMYAM     },
-    { ep_food_penguin,         EP_FOOD_PENGUIN         },
-    { ep_food_pig,             EP_FOOD_PIG             },
-    { ep_historic_wall,                EP_HISTORIC_WALL        },
-    { ep_historic_solid,       EP_HISTORIC_SOLID       },
-    { ep_classic_enemy,                EP_CLASSIC_ENEMY        },
-    { ep_belt,                 EP_BELT                 },
-    { ep_belt_active,          EP_BELT_ACTIVE          },
-    { ep_belt_switch,          EP_BELT_SWITCH          },
-    { ep_tube,                 EP_TUBE                 },
-    { ep_keygate,              EP_KEYGATE              },
-    { ep_amoeboid,             EP_AMOEBOID             },
-    { ep_amoebalive,           EP_AMOEBALIVE           },
-    { ep_has_content,          EP_HAS_CONTENT          },
-    { ep_can_turn_each_move,   EP_CAN_TURN_EACH_MOVE   },
-    { ep_can_grow,             EP_CAN_GROW             },
-    { ep_active_bomb,          EP_ACTIVE_BOMB          },
-    { ep_inactive,             EP_INACTIVE             },
-
-    { ep_em_slippery_wall,     EP_EM_SLIPPERY_WALL     },
-
-    { ep_gfx_crumbled,         EP_GFX_CRUMBLED         },
-
-    { NULL,                    -1                      }
-  };
-
-  static int copy_properties[][5] =
-  {
-    {
-      EL_BUG,
-      EL_BUG_LEFT,             EL_BUG_RIGHT,
-      EL_BUG_UP,               EL_BUG_DOWN
-    },
-    {
-      EL_SPACESHIP,
-      EL_SPACESHIP_LEFT,       EL_SPACESHIP_RIGHT,
-      EL_SPACESHIP_UP,         EL_SPACESHIP_DOWN
-    },
-    {
-      EL_BD_BUTTERFLY,
-      EL_BD_BUTTERFLY_LEFT,    EL_BD_BUTTERFLY_RIGHT,
-      EL_BD_BUTTERFLY_UP,      EL_BD_BUTTERFLY_DOWN
-    },
-    {
-      EL_BD_FIREFLY,
-      EL_BD_FIREFLY_LEFT,      EL_BD_FIREFLY_RIGHT,
-      EL_BD_FIREFLY_UP,                EL_BD_FIREFLY_DOWN
-    },
-    {
-      EL_PACMAN,
-      EL_PACMAN_LEFT,          EL_PACMAN_RIGHT,
-      EL_PACMAN_UP,            EL_PACMAN_DOWN
-    },
-    {
-      EL_MOLE,
-      EL_MOLE_LEFT,            EL_MOLE_RIGHT,
-      EL_MOLE_UP,              EL_MOLE_DOWN
-    },
-    {
-      -1,
-      -1, -1, -1, -1
-    }
+    { ep_diggable,                     EP_DIGGABLE                     },
+    { ep_collectible_only,             EP_COLLECTIBLE_ONLY             },
+    { ep_dont_run_into,                        EP_DONT_RUN_INTO                },
+    { ep_dont_collide_with,            EP_DONT_COLLIDE_WITH            },
+    { ep_dont_touch,                   EP_DONT_TOUCH                   },
+    { ep_indestructible,               EP_INDESTRUCTIBLE               },
+    { ep_slippery,                     EP_SLIPPERY                     },
+    { ep_can_change,                   EP_CAN_CHANGE                   },
+    { ep_can_move,                     EP_CAN_MOVE                     },
+    { ep_can_fall,                     EP_CAN_FALL                     },
+    { ep_can_smash_player,             EP_CAN_SMASH_PLAYER             },
+    { ep_can_smash_enemies,            EP_CAN_SMASH_ENEMIES            },
+    { ep_can_smash_everything,         EP_CAN_SMASH_EVERYTHING         },
+    { ep_explodes_by_fire,             EP_EXPLODES_BY_FIRE             },
+    { ep_explodes_smashed,             EP_EXPLODES_SMASHED             },
+    { ep_explodes_impact,              EP_EXPLODES_IMPACT              },
+    { ep_walkable_over,                        EP_WALKABLE_OVER                },
+    { ep_walkable_inside,              EP_WALKABLE_INSIDE              },
+    { ep_walkable_under,               EP_WALKABLE_UNDER               },
+    { ep_passable_over,                        EP_PASSABLE_OVER                },
+    { ep_passable_inside,              EP_PASSABLE_INSIDE              },
+    { ep_passable_under,               EP_PASSABLE_UNDER               },
+    { ep_droppable,                    EP_DROPPABLE                    },
+    { ep_explodes_1x1_old,             EP_EXPLODES_1X1_OLD             },
+    { ep_pushable,                     EP_PUSHABLE                     },
+    { ep_explodes_cross_old,           EP_EXPLODES_CROSS_OLD           },
+    { ep_protected,                    EP_PROTECTED                    },
+    { ep_throwable,                    EP_THROWABLE                    },
+    { ep_can_explode,                  EP_CAN_EXPLODE                  },
+    { ep_gravity_reachable,            EP_GRAVITY_REACHABLE            },
+
+    { ep_player,                       EP_PLAYER                       },
+    { ep_can_pass_magic_wall,          EP_CAN_PASS_MAGIC_WALL          },
+    { ep_switchable,                   EP_SWITCHABLE                   },
+    { ep_bd_element,                   EP_BD_ELEMENT                   },
+    { ep_sp_element,                   EP_SP_ELEMENT                   },
+    { ep_sb_element,                   EP_SB_ELEMENT                   },
+    { ep_gem,                          EP_GEM                          },
+    { ep_food_dark_yamyam,             EP_FOOD_DARK_YAMYAM             },
+    { ep_food_penguin,                 EP_FOOD_PENGUIN                 },
+    { ep_food_pig,                     EP_FOOD_PIG                     },
+    { ep_historic_wall,                        EP_HISTORIC_WALL                },
+    { ep_historic_solid,               EP_HISTORIC_SOLID               },
+    { ep_classic_enemy,                        EP_CLASSIC_ENEMY                },
+    { ep_belt,                         EP_BELT                         },
+    { ep_belt_active,                  EP_BELT_ACTIVE                  },
+    { ep_belt_switch,                  EP_BELT_SWITCH                  },
+    { ep_tube,                         EP_TUBE                         },
+    { ep_keygate,                      EP_KEYGATE                      },
+    { ep_amoeboid,                     EP_AMOEBOID                     },
+    { ep_amoebalive,                   EP_AMOEBALIVE                   },
+    { ep_has_editor_content,           EP_HAS_EDITOR_CONTENT           },
+    { ep_can_turn_each_move,           EP_CAN_TURN_EACH_MOVE           },
+    { ep_can_grow,                     EP_CAN_GROW                     },
+    { ep_active_bomb,                  EP_ACTIVE_BOMB                  },
+    { ep_inactive,                     EP_INACTIVE                     },
+
+    { ep_em_slippery_wall,             EP_EM_SLIPPERY_WALL             },
+
+    { ep_gfx_crumbled,                 EP_GFX_CRUMBLED                 },
+
+    { ep_editor_cascade_active,                EP_EDITOR_CASCADE_ACTIVE        },
+    { ep_editor_cascade_inactive,      EP_EDITOR_CASCADE_INACTIVE      },
+
+    { ep_obsolete,                     EP_OBSOLETE                     },
+
+    { NULL,                            -1                              }
   };
 
   int i, j, k;
@@ -3327,38 +3675,6 @@ void InitElementPropertiesStatic()
 
 void InitElementPropertiesEngine(int engine_version)
 {
-#if 0
-  static int active_properties[] =
-  {
-    EP_AMOEBALIVE,
-    EP_AMOEBOID,
-    EP_PFORTE,
-    EP_DONT_COLLIDE_WITH,
-    EP_MAUER,
-    EP_CAN_FALL,
-    EP_CAN_SMASH,
-    EP_CAN_PASS_MAGIC_WALL,
-    EP_CAN_MOVE,
-    EP_DONT_TOUCH,
-    EP_DONT_RUN_INTO,
-    EP_GEM,
-    EP_EXPLODES_BY_FIRE,
-    EP_PUSHABLE,
-    EP_PLAYER,
-    EP_HAS_CONTENT,
-    EP_DIGGABLE,
-    EP_PASSABLE_INSIDE,
-    EP_OVER_PLAYER,
-    EP_ACTIVE_BOMB,
-
-    EP_BELT,
-    EP_BELT_ACTIVE,
-    EP_BELT_SWITCH,
-    EP_WALKABLE_UNDER,
-    EP_EM_SLIPPERY_WALL,
-  };
-#endif
-
   static int no_wall_properties[] =
   {
     EP_DIGGABLE,
@@ -3390,24 +3706,26 @@ void InitElementPropertiesEngine(int engine_version)
 
   int i, j;
 
-#if 0
-  InitElementPropertiesStatic();
-#endif
-
   /* important: after initialization in InitElementPropertiesStatic(), the
      elements are not again initialized to a default value; therefore all
      changes have to make sure that they leave the element with a defined
      property (which means that conditional property changes must be set to
      a reliable default value before) */
 
-  /* set all special, combined or engine dependent element properties */
+#if 1
+  /* ---------- recursively resolve group elements ------------------------- */
+
   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
-  {
-#if 0
-    for (j = EP_ACCESSIBLE_OVER; j < NUM_ELEMENT_PROPERTIES; j++)
-      SET_PROPERTY(i, j, FALSE);
+    for (j = 0; j < NUM_GROUP_ELEMENTS; j++)
+      element_info[i].in_group[j] = FALSE;
+
+  for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
+    resolve_group_element(EL_GROUP_START + i, 0);
 #endif
 
+  /* set all special, combined or engine dependent element properties */
+  for (i = 0; i < MAX_NUM_ELEMENTS; i++)
+  {
     /* ---------- INACTIVE ------------------------------------------------- */
     SET_PROPERTY(i, EP_INACTIVE, (i >= EL_CHAR_START && i <= EL_CHAR_END));
 
@@ -3462,12 +3780,6 @@ void InitElementPropertiesEngine(int engine_version)
                                             !IS_DIGGABLE(i) &&
                                             !IS_COLLECTIBLE(i)));
 
-#if 0
-    /* ---------- PROTECTED ------------------------------------------------ */
-    if (IS_ACCESSIBLE_INSIDE(i))
-      SET_PROPERTY(i, EP_PROTECTED, TRUE);
-#endif
-
     /* ---------- DRAGONFIRE_PROOF ----------------------------------------- */
 
     if (IS_HISTORIC_SOLID(i) || i == EL_EXPLOSION)
@@ -3482,20 +3794,9 @@ void InitElementPropertiesEngine(int engine_version)
     else if (engine_version < VERSION_IDENT(2,2,0,0))
       SET_PROPERTY(i, EP_EXPLOSION_PROOF, IS_INDESTRUCTIBLE(i));
     else
-#if 1
       SET_PROPERTY(i, EP_EXPLOSION_PROOF, (IS_INDESTRUCTIBLE(i) &&
                                           (!IS_WALKABLE(i) ||
                                            IS_PROTECTED(i))));
-#else
-#if 1
-      SET_PROPERTY(i, EP_EXPLOSION_PROOF, (IS_INDESTRUCTIBLE(i) &&
-                                          !IS_WALKABLE_OVER(i) &&
-                                          !IS_WALKABLE_UNDER(i)));
-#else
-      SET_PROPERTY(i, EP_EXPLOSION_PROOF, (IS_INDESTRUCTIBLE(i) &&
-                                          IS_PROTECTED(i)));
-#endif
-#endif
 
     if (IS_CUSTOM_ELEMENT(i))
     {
@@ -3519,25 +3820,6 @@ void InitElementPropertiesEngine(int engine_version)
                                   CAN_SMASH_ENEMIES(i) ||
                                   CAN_SMASH_EVERYTHING(i)));
 
-#if 0
-    /* ---------- CAN_EXPLODE ---------------------------------------------- */
-    SET_PROPERTY(i, EP_CAN_EXPLODE, (CAN_EXPLODE_BY_FIRE(i) ||
-                                    CAN_EXPLODE_SMASHED(i) ||
-                                    CAN_EXPLODE_IMPACT(i)));
-#endif
-
-#if 0
-    /* ---------- CAN_EXPLODE_3X3 ------------------------------------------ */
-#if 0
-    SET_PROPERTY(i, EP_CAN_EXPLODE_3X3, (!CAN_EXPLODE_1X1(i) &&
-                                        !CAN_EXPLODE_CROSS(i)));
-#else
-    SET_PROPERTY(i, EP_CAN_EXPLODE_3X3, (CAN_EXPLODE(i) &&
-                                        !CAN_EXPLODE_1X1(i) &&
-                                        !CAN_EXPLODE_CROSS(i)));
-#endif
-#endif
-
     /* ---------- CAN_EXPLODE_BY_FIRE -------------------------------------- */
     SET_PROPERTY(i, EP_CAN_EXPLODE_BY_FIRE, (CAN_EXPLODE(i) &&
                                             EXPLODES_BY_FIRE(i)));
@@ -3580,35 +3862,43 @@ void InitElementPropertiesEngine(int engine_version)
     SET_PROPERTY(i, EP_SP_PORT, (IS_SP_ELEMENT(i) &&
                                 IS_PASSABLE_INSIDE(i)));
 
+    /* ---------- CAN_BE_CLONED_BY_ANDROID --------------------------------- */
+    for (j = 0; j < level.num_android_clone_elements; j++)
+      SET_PROPERTY(i, EP_CAN_BE_CLONED_BY_ANDROID,
+                  (i != EL_EMPTY &&
+                   IS_EQUAL_OR_IN_GROUP(i, level.android_clone_element[j])));
+
     /* ---------- CAN_CHANGE ----------------------------------------------- */
     SET_PROPERTY(i, EP_CAN_CHANGE, FALSE);     /* default: cannot change */
     for (j = 0; j < element_info[i].num_change_pages; j++)
       if (element_info[i].change_page[j].can_change)
        SET_PROPERTY(i, EP_CAN_CHANGE, TRUE);
 
+    /* ---------- HAS_ACTION ----------------------------------------------- */
+    SET_PROPERTY(i, EP_HAS_ACTION, FALSE);     /* default: has no action */
+    for (j = 0; j < element_info[i].num_change_pages; j++)
+      if (element_info[i].change_page[j].has_action)
+       SET_PROPERTY(i, EP_HAS_ACTION, TRUE);
+
+    /* ---------- CAN_CHANGE_OR_HAS_ACTION --------------------------------- */
+    SET_PROPERTY(i, EP_CAN_CHANGE_OR_HAS_ACTION, (CAN_CHANGE(i) ||
+                                                 HAS_ACTION(i)));
+
     /* ---------- GFX_CRUMBLED --------------------------------------------- */
+#if 1
+    SET_PROPERTY(i, EP_GFX_CRUMBLED,
+                element_info[i].crumbled[ACTION_DEFAULT] !=
+                element_info[i].graphic[ACTION_DEFAULT]);
+#else
+    /* !!! THIS LOOKS CRAPPY FOR SAND ETC. WITHOUT CRUMBLED GRAPHICS !!! */
     SET_PROPERTY(i, EP_GFX_CRUMBLED,
                 element_info[i].crumbled[ACTION_DEFAULT] != IMG_EMPTY);
-  }
-
-#if 0
-  /* determine inactive elements (used for engine main loop optimization) */
-  for (i = 0; i < MAX_NUM_ELEMENTS; i++)
-  {
-    boolean active = FALSE;
-
-    for (j = 0; i < NUM_ELEMENT_PROPERTIES; j++)
-    {
-      if (HAS_PROPERTY(i, j))
-       active = TRUE;
-    }
-
-#if 0
-    if (!active)
-      SET_PROPERTY(i, EP_INACTIVE, TRUE);
 #endif
+
+    /* ---------- EDITOR_CASCADE ------------------------------------------- */
+    SET_PROPERTY(i, EP_EDITOR_CASCADE, (IS_EDITOR_CASCADE_ACTIVE(i) ||
+                                       IS_EDITOR_CASCADE_INACTIVE(i)));
   }
-#endif
 
   /* dynamically adjust element properties according to game engine version */
   {
@@ -3634,7 +3924,7 @@ void InitElementPropertiesEngine(int engine_version)
                  engine_version > VERSION_IDENT(2,0,1,0)));
   }
 
-#if 1
+#if 0
   /* set default push delay values (corrected since version 3.0.7-1) */
   if (engine_version < VERSION_IDENT(3,0,7,1))
   {
@@ -3646,7 +3936,9 @@ void InitElementPropertiesEngine(int engine_version)
     game.default_push_delay_fixed = 8;
     game.default_push_delay_random = 8;
   }
+#endif
 
+#if 0
   /* set uninitialized push delay values of custom elements in older levels */
   for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
   {
@@ -3657,7 +3949,9 @@ void InitElementPropertiesEngine(int engine_version)
     if (element_info[element].push_delay_random == -1)
       element_info[element].push_delay_random = game.default_push_delay_random;
   }
+#endif
 
+#if 0
   /* set some other uninitialized values of custom elements in older levels */
   if (engine_version < VERSION_IDENT(3,1,0,0))
   {
@@ -3671,6 +3965,7 @@ void InitElementPropertiesEngine(int engine_version)
       element_info[element].ignition_delay = 8;
     }
   }
+#endif
 
 #if 0
   /* set element properties that were handled incorrectly in older levels */
@@ -3679,8 +3974,6 @@ void InitElementPropertiesEngine(int engine_version)
     SET_PROPERTY(EL_SP_SNIKSNAK, EP_DONT_COLLIDE_WITH, FALSE);
     SET_PROPERTY(EL_SP_ELECTRON, EP_DONT_COLLIDE_WITH, FALSE);
   }
-#endif
-
 #endif
 
   /* this is needed because some graphics depend on element properties */
@@ -3688,12 +3981,64 @@ void InitElementPropertiesEngine(int engine_version)
     InitElementGraphicInfo();
 }
 
+void InitElementPropertiesAfterLoading(int engine_version)
+{
+  int i;
+
+#if 0
+  /* set default push delay values (corrected since version 3.0.7-1) */
+  if (engine_version < VERSION_IDENT(3,0,7,1))
+  {
+    game.default_push_delay_fixed = 2;
+    game.default_push_delay_random = 8;
+  }
+  else
+  {
+    game.default_push_delay_fixed = 8;
+    game.default_push_delay_random = 8;
+  }
+#endif
+
+#if 0
+  /* set uninitialized push delay values of custom elements in older levels */
+  for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
+  {
+    int element = EL_CUSTOM_START + i;
+
+    if (element_info[element].push_delay_fixed == -1)
+      element_info[element].push_delay_fixed = game.default_push_delay_fixed;
+    if (element_info[element].push_delay_random == -1)
+      element_info[element].push_delay_random = game.default_push_delay_random;
+  }
+#endif
+
+#if 1
+  /* set some other uninitialized values of custom elements in older levels */
+  if (engine_version < VERSION_IDENT(3,1,0,0))
+  {
+    for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
+    {
+      int element = EL_CUSTOM_START + i;
+
+      element_info[element].access_direction = MV_ALL_DIRECTIONS;
+
+      element_info[element].explosion_delay = 17;
+      element_info[element].ignition_delay = 8;
+    }
+  }
+#endif
+}
+
 static void InitGlobal()
 {
   int i;
 
   for (i = 0; i < MAX_NUM_ELEMENTS + 1; i++)
   {
+    /* check if element_name_info entry defined for each element in "main.h" */
+    if (i < MAX_NUM_ELEMENTS && element_name_info[i].token_name == NULL)
+      Error(ERR_EXIT, "undefined 'element_name_info' entry for element %d", i);
+
     element_info[i].token_name = element_name_info[i].token_name;
     element_info[i].class_name = element_name_info[i].class_name;
     element_info[i].editor_description=element_name_info[i].editor_description;
@@ -3711,7 +4056,7 @@ void Execute_Command(char *command)
 {
   int i;
 
-  if (strcmp(command, "print graphicsinfo.conf") == 0)
+  if (strEqual(command, "print graphicsinfo.conf"))
   {
     printf("# You can configure additional/alternative image files here.\n");
     printf("# (The entries below are default and therefore commented out.)\n");
@@ -3727,7 +4072,7 @@ void Execute_Command(char *command)
 
     exit(0);
   }
-  else if (strcmp(command, "print soundsinfo.conf") == 0)
+  else if (strEqual(command, "print soundsinfo.conf"))
   {
     printf("# You can configure additional/alternative sound files here.\n");
     printf("# (The entries below are default and therefore commented out.)\n");
@@ -3743,7 +4088,7 @@ void Execute_Command(char *command)
 
     exit(0);
   }
-  else if (strcmp(command, "print musicinfo.conf") == 0)
+  else if (strEqual(command, "print musicinfo.conf"))
   {
     printf("# You can configure additional/alternative music files here.\n");
     printf("# (The entries below are default and therefore commented out.)\n");
@@ -3759,17 +4104,21 @@ void Execute_Command(char *command)
 
     exit(0);
   }
-  else if (strcmp(command, "print editorsetup.conf") == 0)
+  else if (strEqual(command, "print editorsetup.conf"))
   {
     printf("# You can configure your personal editor element list here.\n");
     printf("# (The entries below are default and therefore commented out.)\n");
     printf("\n");
 
+    /* this is needed to be able to check element list for cascade elements */
+    InitElementPropertiesStatic();
+    InitElementPropertiesEngine(GAME_VERSION_ACTUAL);
+
     PrintEditorElementList();
 
     exit(0);
   }
-  else if (strcmp(command, "print helpanim.conf") == 0)
+  else if (strEqual(command, "print helpanim.conf"))
   {
     printf("# You can configure different element help animations here.\n");
     printf("# (The entries below are default and therefore commented out.)\n");
@@ -3780,13 +4129,13 @@ void Execute_Command(char *command)
       printf("# %s\n", getFormattedSetupEntry(helpanim_config[i].token,
                                              helpanim_config[i].value));
 
-      if (strcmp(helpanim_config[i].token, "end") == 0)
+      if (strEqual(helpanim_config[i].token, "end"))
        printf("#\n");
     }
 
     exit(0);
   }
-  else if (strcmp(command, "print helptext.conf") == 0)
+  else if (strEqual(command, "print helptext.conf"))
   {
     printf("# You can configure different element help text here.\n");
     printf("# (The entries below are default and therefore commented out.)\n");
@@ -3802,7 +4151,7 @@ void Execute_Command(char *command)
   {
     char *filename = &command[11];
 
-    if (access(filename, F_OK) != 0)
+    if (!fileExists(filename))
       Error(ERR_EXIT, "cannot open file '%s'", filename);
 
     LoadLevelFromFilename(&level, filename);
@@ -3814,7 +4163,7 @@ void Execute_Command(char *command)
   {
     char *filename = &command[10];
 
-    if (access(filename, F_OK) != 0)
+    if (!fileExists(filename))
       Error(ERR_EXIT, "cannot open file '%s'", filename);
 
     LoadTapeFromFilename(filename);
@@ -3824,16 +4173,38 @@ void Execute_Command(char *command)
   }
   else if (strncmp(command, "autoplay ", 9) == 0)
   {
-    char *str_copy = getStringCopy(&command[9]);
-    char *str_ptr = strchr(str_copy, ' ');
+    char *str_ptr = getStringCopy(&command[9]);        /* read command parameters */
 
-    global.autoplay_leveldir = str_copy;
-    global.autoplay_level_nr = -1;
-
-    if (str_ptr != NULL)
+    while (*str_ptr != '\0')                   /* continue parsing string */
     {
-      *str_ptr++ = '\0';                       /* terminate leveldir string */
-      global.autoplay_level_nr = atoi(str_ptr);        /* get level_nr value */
+      /* cut leading whitespace from string, replace it by string terminator */
+      while (*str_ptr == ' ' || *str_ptr == '\t')
+       *str_ptr++ = '\0';
+
+      if (*str_ptr == '\0')                    /* end of string reached */
+       break;
+
+      if (global.autoplay_leveldir == NULL)    /* read level set string */
+      {
+       global.autoplay_leveldir = str_ptr;
+       global.autoplay_all = TRUE;             /* default: play all tapes */
+
+       for (i = 0; i < MAX_TAPES_PER_SET; i++)
+         global.autoplay_level[i] = FALSE;
+      }
+      else                                     /* read level number string */
+      {
+       int level_nr = atoi(str_ptr);           /* get level_nr value */
+
+       if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
+         global.autoplay_level[level_nr] = TRUE;
+
+       global.autoplay_all = FALSE;
+      }
+
+      /* advance string pointer to the next whitespace (or end of string) */
+      while (*str_ptr != ' ' && *str_ptr != '\t' && *str_ptr != '\0')
+       str_ptr++;
     }
   }
   else if (strncmp(command, "convert ", 8) == 0)
@@ -3844,12 +4215,51 @@ void Execute_Command(char *command)
     global.convert_leveldir = str_copy;
     global.convert_level_nr = -1;
 
-    if (str_ptr != NULL)
+    if (str_ptr != NULL)                       /* level number follows */
     {
       *str_ptr++ = '\0';                       /* terminate leveldir string */
       global.convert_level_nr = atoi(str_ptr); /* get level_nr value */
     }
   }
+
+#if DEBUG
+#if defined(TARGET_SDL)
+  else if (strEqual(command, "SDL_ListModes"))
+  {
+    SDL_Rect **modes;
+    int i;
+
+    SDL_Init(SDL_INIT_VIDEO);
+
+    /* get available fullscreen/hardware modes */
+    modes = SDL_ListModes(NULL, SDL_FULLSCREEN | SDL_HWSURFACE);
+
+    /* check if there are any modes available */
+    if (modes == NULL)
+    {
+      printf("No modes available!\n");
+
+      exit(-1);
+    }
+
+    /* check if our resolution is restricted */
+    if (modes == (SDL_Rect **)-1)
+    {
+      printf("All resolutions available.\n");
+    }
+    else
+    {
+      printf("Available Modes:\n");
+
+      for(i = 0; modes[i]; i++)
+       printf("  %d x %d\n", modes[i]->w, modes[i]->h);
+    }
+
+    exit(0);
+  }
+#endif
+#endif
+
   else
   {
     Error(ERR_EXIT_HELP, "unrecognized command '%s'", command);
@@ -3866,6 +4276,11 @@ static void InitSetup()
     options.verbose = TRUE;
 }
 
+static void InitGameInfo()
+{
+  game.restart_level = FALSE;
+}
+
 static void InitPlayerInfo()
 {
   int i;
@@ -3933,7 +4348,7 @@ static void InitArtworkConfig()
   static char *sound_id_prefix[2 * MAX_NUM_ELEMENTS + 1];
   static char *music_id_prefix[NUM_MUSIC_PREFIXES + 1];
   static char *action_id_suffix[NUM_ACTIONS + 1];
-  static char *direction_id_suffix[NUM_DIRECTIONS + 1];
+  static char *direction_id_suffix[NUM_DIRECTIONS_FULL + 1];
   static char *special_id_suffix[NUM_SPECIAL_GFX_ARGS + 1];
   static char *level_id_suffix[MAX_LEVELS + 1];
   static char *dummy[1] = { NULL };
@@ -4001,15 +4416,15 @@ static void InitArtworkConfig()
 
   for (i = 0; i < NUM_MUSIC_PREFIXES; i++)
     music_id_prefix[i] = music_prefix_info[i].prefix;
-  music_id_prefix[MAX_LEVELS] = NULL;
+  music_id_prefix[NUM_MUSIC_PREFIXES] = NULL;
 
   for (i = 0; i < NUM_ACTIONS; i++)
     action_id_suffix[i] = element_action_info[i].suffix;
   action_id_suffix[NUM_ACTIONS] = NULL;
 
-  for (i = 0; i < NUM_DIRECTIONS; i++)
+  for (i = 0; i < NUM_DIRECTIONS_FULL; i++)
     direction_id_suffix[i] = element_direction_info[i].suffix;
-  direction_id_suffix[NUM_DIRECTIONS] = NULL;
+  direction_id_suffix[NUM_DIRECTIONS_FULL] = NULL;
 
   for (i = 0; i < NUM_SPECIAL_GFX_ARGS; i++)
     special_id_suffix[i] = special_suffix_info[i].suffix;
@@ -4040,6 +4455,7 @@ void InitGfx()
 {
   char *filename_font_initial = NULL;
   Bitmap *bitmap_font_initial = NULL;
+  int font_height;
   int i, j;
 
   /* determine settings for initial font (for displaying startup messages) */
@@ -4053,18 +4469,18 @@ void InitGfx()
       sprintf(font_token, "%s_%d", CONFIG_TOKEN_FONT_INITIAL, j + 1);
       len_font_token = strlen(font_token);
 
-      if (strcmp(image_config[i].token, font_token) == 0)
+      if (strEqual(image_config[i].token, font_token))
        filename_font_initial = image_config[i].value;
       else if (strlen(image_config[i].token) > len_font_token &&
               strncmp(image_config[i].token, font_token, len_font_token) == 0)
       {
-       if (strcmp(&image_config[i].token[len_font_token], ".x") == 0)
+       if (strEqual(&image_config[i].token[len_font_token], ".x"))
          font_initial[j].src_x = atoi(image_config[i].value);
-       else if (strcmp(&image_config[i].token[len_font_token], ".y") == 0)
+       else if (strEqual(&image_config[i].token[len_font_token], ".y"))
          font_initial[j].src_y = atoi(image_config[i].value);
-       else if (strcmp(&image_config[i].token[len_font_token], ".width") == 0)
+       else if (strEqual(&image_config[i].token[len_font_token], ".width"))
          font_initial[j].width = atoi(image_config[i].value);
-       else if (strcmp(&image_config[i].token[len_font_token],".height") == 0)
+       else if (strEqual(&image_config[i].token[len_font_token],".height"))
          font_initial[j].height = atoi(image_config[i].value);
       }
     }
@@ -4079,8 +4495,10 @@ void InitGfx()
   if (filename_font_initial == NULL)   /* should not happen */
     Error(ERR_EXIT, "cannot get filename for '%s'", CONFIG_TOKEN_FONT_INITIAL);
 
-  /* create additional image buffers for double-buffering */
+  /* create additional image buffers for double-buffering and cross-fading */
+  bitmap_db_cross = CreateBitmap(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH);
   bitmap_db_field = CreateBitmap(FXSIZE, FYSIZE, DEFAULT_DEPTH);
+  bitmap_db_panel = CreateBitmap(DXSIZE, DYSIZE, DEFAULT_DEPTH);
   bitmap_db_door  = CreateBitmap(3 * DXSIZE, DYSIZE + VYSIZE, DEFAULT_DEPTH);
 
   /* initialize screen properties */
@@ -4098,12 +4516,21 @@ void InitGfx()
 
   InitFontGraphicInfo();
 
+  font_height = getFontHeight(FC_RED);
+
   DrawInitText(getProgramInitString(), 20, FC_YELLOW);
   DrawInitText(PROGRAM_COPYRIGHT_STRING, 50, FC_RED);
+  DrawInitText(PROGRAM_WEBSITE_STRING, WIN_YSIZE - 20 - font_height, FC_RED);
 
   DrawInitText("Loading graphics:", 120, FC_GREEN);
+}
+
+void RedrawBackground()
+{
+  BlitBitmap(graphic_info[IMG_GLOBAL_BORDER].bitmap, backbuffer,
+            0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
 
-  InitTileClipmasks();
+  redraw_mask = REDRAW_ALL;
 }
 
 void InitGfxBackground()
@@ -4114,8 +4541,8 @@ void InitGfxBackground()
   fieldbuffer = bitmap_db_field;
   SetDrawtoField(DRAW_BACKBUFFER);
 
-  BlitBitmap(graphic_info[IMG_GLOBAL_BORDER].bitmap, backbuffer,
-            0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+  RedrawBackground();
+
   ClearRectangle(backbuffer, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
   ClearRectangle(bitmap_db_door, 0, 0, 3 * DXSIZE, DYSIZE + VYSIZE);
 
@@ -4140,9 +4567,7 @@ void InitLevelArtworkInfo()
 
 static void InitImages()
 {
-#if 1
   setLevelArtworkDir(artwork.gfx_first);
-#endif
 
 #if 0
   printf("::: InitImages for '%s' ['%s', '%s'] ['%s', '%s']\n",
@@ -4166,10 +4591,8 @@ static void InitSound(char *identifier)
   if (identifier == NULL)
     identifier = artwork.snd_current->identifier;
 
-#if 1
   /* set artwork path to send it to the sound server process */
   setLevelArtworkDir(artwork.snd_first);
-#endif
 
   InitReloadCustomSounds(identifier);
   ReinitializeSounds();
@@ -4180,10 +4603,8 @@ static void InitMusic(char *identifier)
   if (identifier == NULL)
     identifier = artwork.mus_current->identifier;
 
-#if 1
   /* set artwork path to send it to the sound server process */
   setLevelArtworkDir(artwork.mus_first);
-#endif
 
   InitReloadCustomMusic(identifier);
   ReinitializeMusic();
@@ -4292,11 +4713,11 @@ static char *getNewArtworkIdentifier(int type)
 #endif
 
   /* ---------- reload if current artwork identifier has changed ----------- */
-  if (strcmp(ARTWORK_CURRENT_IDENTIFIER(artwork, type),
-            artwork_current_identifier) != 0)
+  if (!strEqual(ARTWORK_CURRENT_IDENTIFIER(artwork, type),
+               artwork_current_identifier))
     artwork_new_identifier = artwork_current_identifier;
 
-  *(&(ARTWORK_CURRENT_IDENTIFIER(artwork, type))) = artwork_current_identifier;
+  *(ARTWORK_CURRENT_IDENTIFIER_PTR(artwork, type))= artwork_current_identifier;
 
 #if 0
   if (type == ARTWORK_TYPE_GRAPHICS)
@@ -4327,14 +4748,20 @@ static char *getNewArtworkIdentifier(int type)
 
 void ReloadCustomArtwork(int force_reload)
 {
-  char *gfx_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_GRAPHICS);
-  char *snd_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_SOUNDS);
-  char *mus_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_MUSIC);
+  char *gfx_new_identifier;
+  char *snd_new_identifier;
+  char *mus_new_identifier;
   boolean force_reload_gfx = (force_reload & (1 << ARTWORK_TYPE_GRAPHICS));
   boolean force_reload_snd = (force_reload & (1 << ARTWORK_TYPE_SOUNDS));
   boolean force_reload_mus = (force_reload & (1 << ARTWORK_TYPE_MUSIC));
   boolean redraw_screen = FALSE;
 
+  force_reload_gfx |= AdjustGraphicsForEMC();
+
+  gfx_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_GRAPHICS);
+  snd_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_SOUNDS);
+  mus_new_identifier = getNewArtworkIdentifier(ARTWORK_TYPE_MUSIC);
+
   if (gfx_new_identifier != NULL || force_reload_gfx)
   {
 #if 0
@@ -4349,14 +4776,6 @@ void ReloadCustomArtwork(int force_reload)
 
     InitImages();
 
-#if 0
-    printf("... '%s'\n",
-          leveldir_current->graphics_set);
-#endif
-
-    FreeTileClipmasks();
-    InitTileClipmasks();
-
     redraw_screen = TRUE;
   }
 
@@ -4380,7 +4799,11 @@ void ReloadCustomArtwork(int force_reload)
 
   if (redraw_screen)
   {
+#if 1
+    RedrawBackground();
+#else
     InitGfxBackground();
+#endif
 
     /* force redraw of (open or closed) door graphics */
     SetDoorState(DOOR_OPEN_ALL);
@@ -4401,7 +4824,7 @@ void KeyboardAutoRepeatOffUnlessAutoplay()
 
 void OpenAll()
 {
-  InitGlobal();                /* initialize some global variables */
+  InitGlobal();                        /* initialize some global variables */
 
   if (options.execute_command)
     Execute_Command(options.execute_command);
@@ -4413,11 +4836,13 @@ void OpenAll()
 #else
     Error(ERR_WARN, "networking only supported in Unix version");
 #endif
-    exit(0);   /* never reached */
+
+    exit(0);                   /* never reached, server loops forever */
   }
 
   InitSetup();
 
+  InitGameInfo();
   InitPlayerInfo();
   InitArtworkInfo();           /* needed before loading gfx, sound & music */
   InitArtworkConfig();         /* needed before forking sound child process */
@@ -4467,7 +4892,11 @@ void OpenAll()
   em_open_all();
 #endif
 
+#if 0
+  DrawMainMenuExt(REDRAW_ALL);
+#else
   DrawMainMenu();
+#endif
 
   InitNetworkServer();
 }
@@ -4484,7 +4913,6 @@ void CloseAllAndExit(int exit_value)
 #endif
 
   FreeAllImages();
-  FreeTileClipmasks();
 
 #if defined(TARGET_SDL)
   if (network_server)  /* terminate network server */
@@ -4494,5 +4922,8 @@ void CloseAllAndExit(int exit_value)
   CloseVideoDisplay();
   ClosePlatformDependentStuff();
 
+  if (exit_value != 0)
+    NotifyUserAboutErrorFile();
+
   exit(exit_value);
 }