rnd-20051209-1-src
[rocksndiamonds.git] / src / init.c
index 881a5c333b9812809a010a6c700db35e97b47b5f..f9dd0c1338bb8933f5bfeb18eb8bd7e2877ae277 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_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()
 {
@@ -258,16 +121,9 @@ 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);
-
-#if 1
-  /* !!! FIX THIS (CHANGE TO USING NORMAL ELEMENT GRAPHIC DEFINITIONS) !!! */
-  for (i = IMG_EMC_OBJECT; i <= IMG_EMC_SPRITE; i++)
-    InitElementSmallImagesScaledUp(i);
-#endif
+    InitElementSmallImagesScaledUp(property_mapping[i].artwork_index);
 }
 
 #if 1
@@ -314,13 +170,8 @@ 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++)
@@ -348,12 +199,25 @@ 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++;
@@ -468,8 +332,10 @@ 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
@@ -585,7 +451,6 @@ void InitElementGraphicInfo()
   element_info[EL_AMOEBA_TO_DIAMOND].graphic[ACTION_DEFAULT] = IMG_AMOEBA_DEAD;
 #endif
 
-#if 1
   /* now set all undefined/invalid graphics to -1 to set to default after it */
   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
   {
@@ -613,7 +478,65 @@ 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; 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++)
@@ -625,8 +548,14 @@ void InitElementGraphicInfo()
 
     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++)
     {
@@ -637,8 +566,14 @@ 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++)
@@ -654,6 +589,10 @@ 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)
@@ -682,31 +621,50 @@ 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++)
       {
+       /* 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 =
+           element_info[i].direction_graphic[act][dir];
+#else
        if (default_action_direction_crumbled == -1)
          default_action_direction_crumbled =
-           (act_remove ? IMG_EMPTY :
+           (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;
@@ -715,18 +673,22 @@ 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
   /* set animation mode to "none" for each graphic with only 1 frame */
   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
   {
@@ -752,7 +714,6 @@ void InitElementGraphicInfo()
       }
     }
   }
-#endif
 
 #if 0
 #if DEBUG
@@ -787,8 +748,10 @@ 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
@@ -814,35 +777,82 @@ 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)
 {
   int i;
+  int x = 0;
 
   for (i = 0; i < MAX_NUM_ELEMENTS; i++)
     if (strcmp(element_info[i].token_name, token) == 0)
       return i;
 
+#if 1
+  for (i = 0; image_config[i].token != NULL; i++)
+  {
+    int len_config_value = strlen(image_config[i].value);
+
+    if (strcmp(&image_config[i].value[len_config_value - 4], ".pcx") != 0 &&
+       strcmp(&image_config[i].value[len_config_value - 4], ".wav") != 0 &&
+       strcmp(image_config[i].value, UNDEFINED_FILENAME) != 0)
+      continue;
+
+    if (strcmp(image_config[i].token, token) == 0)
+      return x;
+
+    x++;
+  }
+#endif
+
   return -1;
 }
 
-static void set_graphic_parameters(int graphic, char **parameter_raw)
+static int get_scaled_graphic_width(int graphic)
 {
-  Bitmap *src_bitmap = getBitmapFromImageID(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, int graphic_copy_from)
+{
+  struct FileInfo *image = getImageListEntryFromImageID(graphic_copy_from);
+  char **parameter_raw = image->parameter;
+  Bitmap *src_bitmap = getBitmapFromImageID(graphic_copy_from);
   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 1
+  if (graphic != graphic_copy_from)
+  {
+    graphic_info[graphic] = graphic_info[graphic_copy_from];
+
+    return;
+  }
+#endif
+
+  /* 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++)
   {
@@ -857,16 +867,22 @@ static void set_graphic_parameters(int graphic, char **parameter_raw)
   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;
@@ -898,13 +914,15 @@ static void set_graphic_parameters(int graphic, char **parameter_raw)
 
   if (src_bitmap)
   {
-    /* bitmap is not scaled at this stage, so calculate final size */
-    int scale_up_factor = graphic_info[graphic].scale_up_factor;
-    int src_bitmap_width  = src_bitmap->width  * scale_up_factor;
-    int src_bitmap_height = src_bitmap->height * scale_up_factor;
+    /* 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;
 
-    anim_frames_per_row = src_bitmap_width  / graphic_info[graphic].width;
-    anim_frames_per_col = src_bitmap_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 */
@@ -929,6 +947,32 @@ 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];
@@ -1001,13 +1045,31 @@ static void set_graphic_parameters(int graphic, char **parameter_raw)
 
   /* this is only used for drawing envelope graphics */
   graphic_info[graphic].draw_masked = parameter[GFX_ARG_DRAW_MASKED];
+
+#if 1
+  /* 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];
+#else
+  /* optional graphic for cloning all graphics settings */
+  if (parameter[GFX_ARG_CLONE_FROM] != ARG_UNDEFINED_VALUE)
+  {
+    if (parameter[GFX_ARG_CLONE_FROM] != -1)
+    {
+      int clone_graphic = parameter[GFX_ARG_CLONE_FROM];
+
+      graphic_info[graphic] = graphic_info[clone_graphic];
+      graphic_info[graphic].clone_from = clone_graphic;
+
+      printf("::: %d -> %d\n", graphic, clone_graphic);
+    }
+  }
+#endif
 }
 
 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;
 
@@ -1023,10 +1085,6 @@ 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)
   {
@@ -1043,35 +1101,98 @@ static void InitGraphicInfo()
   }
 #endif
 
+#if 1
+  /* first set all graphic paramaters ... */
+  for (i = 0; i < num_images; i++)
+  {
+    set_graphic_parameters(i, i);
+  }
+
+  /* ... then copy these parameters for cloned graphics */
+  for (i = 0; i < num_images; i++)
+  {
+    if (graphic_info[i].clone_from != -1)
+    {
+      int clone_graphic = graphic_info[i].clone_from;
+
+      if (graphic_info[clone_graphic].clone_from != -1)
+      {
+       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,
+             "error: cannot clone from already cloned graphic '%s'",
+             getTokenFromImageID(clone_graphic));
+       Error(ERR_RETURN, "custom graphic rejected for this element/action");
+
+       if (i == 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, "-");
+
+       set_graphic_parameters(i, fallback_graphic);
+      }
+      else
+      {
+       graphic_info[i] = graphic_info[clone_graphic];
+       graphic_info[i].clone_from = clone_graphic;
+
+#if 0
+       printf("::: graphic %d ['%s'] is cloned from %d ['%s']\n",
+              i, getTokenFromImageID(i),
+              clone_graphic, getTokenFromImageID(clone_graphic));
+#endif
+      }
+    }
+  }
+#endif
+
   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;
-    int scale_up_factor, src_bitmap_width, src_bitmap_height;
+    int src_bitmap_width, src_bitmap_height;
 
 #if 0
-    printf("::: image: '%s' [%d]\n", image->token, i);
+    printf("::: image # %d: '%s' ['%s']\n",
+          i, image->token, getTokenFromImageID(i));
 #endif
 
 #if 0
-    printf("::: image # %d: '%s' ['%s']\n",
-          i, image->token,
-          getTokenFromImageID(i));
+    set_graphic_parameters(i, i);
 #endif
 
-    set_graphic_parameters(i, image->parameter);
-
     /* now check if no animation frames are outside of the loaded image */
 
+#if 0
+    if (graphic_info[i].bitmap == NULL)
+      Error(ERR_WARN, "no bitmap for graphic %d ['%s']",
+           i, getTokenFromImageID(i));
+#endif
+
     if (graphic_info[i].bitmap == NULL)
       continue;                /* skip check for optional images that are undefined */
 
-    /* bitmap is not scaled at this stage, so calculate final size */
-    scale_up_factor = graphic_info[i].scale_up_factor;
-    src_bitmap_width  = graphic_info[i].bitmap->width  * scale_up_factor;
-    src_bitmap_height = graphic_info[i].bitmap->height * scale_up_factor;
+#if 1
+    /* 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;
+#else
+    /* get final bitmap size (with scaling, but without small images) */
+    src_bitmap_width  = get_scaled_graphic_width(i);
+    src_bitmap_height = get_scaled_graphic_height(i);
+
+    if (graphic_info[i].clone_from != -1)
+    {
+      int clone_graphic = graphic_info[i].clone_from;
+
+      src_bitmap_width  = get_scaled_graphic_width(clone_graphic);
+      src_bitmap_height = get_scaled_graphic_height(clone_graphic);
+    }
+#endif
 
     first_frame = 0;
     getGraphicSource(i, first_frame, &src_bitmap, &src_x, &src_y);
@@ -1081,29 +1202,21 @@ static void InitGraphicInfo()
     {
       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 1
-      Error(ERR_RETURN, "scale_up_factor == %d", scale_up_factor);
-#endif
-
       if (i == 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, "-");
 
-      set_graphic_parameters(i, fallback_image->default_parameter);
-      graphic_info[i].bitmap = fallback_bitmap;
+      set_graphic_parameters(i, fallback_graphic);
     }
 
     last_frame = graphic_info[i].anim_frames - 1;
@@ -1114,15 +1227,12 @@ static void InitGraphicInfo()
     {
       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)
@@ -1131,12 +1241,11 @@ 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;
+      set_graphic_parameters(i, 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)
@@ -1272,6 +1381,14 @@ static void InitElementSoundInfo()
        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()
@@ -1300,7 +1417,6 @@ 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]);
@@ -1331,10 +1447,6 @@ static void set_sound_parameters(int sound, char **parameter_raw)
 
 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;
@@ -1378,11 +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++)
@@ -1407,61 +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()
@@ -1539,7 +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]);
@@ -1610,6 +1661,8 @@ static void ReinitializeGraphics()
   InitElementSmallImages();            /* scale images to all needed sizes */
   InitFontGraphicInfo();               /* initialize text drawing functions */
 
+  InitGraphicInfo_EM();                        /* graphic mapping for EM engine */
+
   SetMainBackgroundImage(IMG_BACKGROUND);
   SetDoorBackgroundImage(IMG_BACKGROUND_DOOR);
 
@@ -1733,7 +1786,6 @@ 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)
 {
@@ -1758,32 +1810,6 @@ boolean getBitfieldProperty(int *bitfield, int property_bit_nr, int element)
   return FALSE;
 }
 
-#else
-
-void setMoveIntoAcidProperty(struct LevelInfo *level, int element, boolean set)
-{
-  int bit_nr = get_special_property_bit(element, EP_CAN_MOVE_INTO_ACID);
-
-  if (bit_nr > -1)
-  {
-    level->can_move_into_acid_bits &= ~(1 << bit_nr);
-
-    if (set)
-      level->can_move_into_acid_bits |= (1 << bit_nr);
-  }
-}
-
-boolean getMoveIntoAcidProperty(struct LevelInfo *level, int element)
-{
-  int bit_nr = get_special_property_bit(element, EP_CAN_MOVE_INTO_ACID);
-
-  if (bit_nr > -1)
-    return ((level->can_move_into_acid_bits & (1 << bit_nr)) != 0);
-
-  return FALSE;
-}
-#endif
-
 void InitElementPropertiesStatic()
 {
   static int ep_diggable[] =
@@ -1824,10 +1850,10 @@ void InitElementPropertiesStatic()
     EL_EM_KEY_2,
     EL_EM_KEY_3,
     EL_EM_KEY_4,
-    EL_EM_KEY_5,
-    EL_EM_KEY_6,
-    EL_EM_KEY_7,
-    EL_EM_KEY_8,
+    EL_EMC_KEY_5,
+    EL_EMC_KEY_6,
+    EL_EMC_KEY_7,
+    EL_EMC_KEY_8,
     EL_DYNAMITE,
     EL_DYNABOMB_INCREASE_NUMBER,
     EL_DYNABOMB_INCREASE_SIZE,
@@ -1977,6 +2003,14 @@ void InitElementPropertiesStatic()
     EL_EM_GATE_2_GRAY,
     EL_EM_GATE_3_GRAY,
     EL_EM_GATE_4_GRAY,
+    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_SWITCHGATE_OPEN,
     EL_SWITCHGATE_OPENING,
     EL_SWITCHGATE_CLOSED,
@@ -2254,18 +2288,18 @@ void InitElementPropertiesStatic()
     EL_EM_GATE_2,
     EL_EM_GATE_3,
     EL_EM_GATE_4,
-    EL_EM_GATE_5,
-    EL_EM_GATE_6,
-    EL_EM_GATE_7,
-    EL_EM_GATE_8,
     EL_EM_GATE_1_GRAY,
     EL_EM_GATE_2_GRAY,
     EL_EM_GATE_3_GRAY,
     EL_EM_GATE_4_GRAY,
-    EL_EM_GATE_5_GRAY,
-    EL_EM_GATE_6_GRAY,
-    EL_EM_GATE_7_GRAY,
-    EL_EM_GATE_8_GRAY,
+    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_SWITCHGATE_OPEN,
     EL_TIMEGATE_OPEN,
     -1
@@ -2355,18 +2389,18 @@ void InitElementPropertiesStatic()
     EL_EM_GATE_2,
     EL_EM_GATE_3,
     EL_EM_GATE_4,
-    EL_EM_GATE_5,
-    EL_EM_GATE_6,
-    EL_EM_GATE_7,
-    EL_EM_GATE_8,
     EL_EM_GATE_1_GRAY,
     EL_EM_GATE_2_GRAY,
     EL_EM_GATE_3_GRAY,
     EL_EM_GATE_4_GRAY,
-    EL_EM_GATE_5_GRAY,
-    EL_EM_GATE_6_GRAY,
-    EL_EM_GATE_7_GRAY,
-    EL_EM_GATE_8_GRAY,
+    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_SWITCHGATE_OPEN,
     EL_TIMEGATE_OPEN,
 
@@ -3028,18 +3062,18 @@ void InitElementPropertiesStatic()
     EL_EM_GATE_2,
     EL_EM_GATE_3,
     EL_EM_GATE_4,
-    EL_EM_GATE_5,
-    EL_EM_GATE_6,
-    EL_EM_GATE_7,
-    EL_EM_GATE_8,
     EL_EM_GATE_1_GRAY,
     EL_EM_GATE_2_GRAY,
     EL_EM_GATE_3_GRAY,
     EL_EM_GATE_4_GRAY,
-    EL_EM_GATE_5_GRAY,
-    EL_EM_GATE_6_GRAY,
-    EL_EM_GATE_7_GRAY,
-    EL_EM_GATE_8_GRAY,
+    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,
     -1
   };
 
@@ -3121,10 +3155,10 @@ void InitElementPropertiesStatic()
     EL_EM_KEY_2,
     EL_EM_KEY_3,
     EL_EM_KEY_4,
-    EL_EM_KEY_5,
-    EL_EM_KEY_6,
-    EL_EM_KEY_7,
-    EL_EM_KEY_8,
+    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,
@@ -3137,18 +3171,18 @@ void InitElementPropertiesStatic()
     EL_EM_GATE_2,
     EL_EM_GATE_3,
     EL_EM_GATE_4,
-    EL_EM_GATE_5,
-    EL_EM_GATE_6,
-    EL_EM_GATE_7,
-    EL_EM_GATE_8,
     EL_EM_GATE_1_GRAY,
     EL_EM_GATE_2_GRAY,
     EL_EM_GATE_3_GRAY,
     EL_EM_GATE_4_GRAY,
-    EL_EM_GATE_5_GRAY,
-    EL_EM_GATE_6_GRAY,
-    EL_EM_GATE_7_GRAY,
-    EL_EM_GATE_8_GRAY,
+    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_DYNAMITE,
     EL_INVISIBLE_STEELWALL,
     EL_INVISIBLE_WALL,
@@ -3357,44 +3391,6 @@ void InitElementPropertiesStatic()
     { 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
-    }
-  };
-
   int i, j, k;
 
   /* always start with reliable default values (element has no properties) */
@@ -3418,38 +3414,6 @@ 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,
@@ -3481,10 +3445,6 @@ 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
@@ -3494,11 +3454,6 @@ void InitElementPropertiesEngine(int engine_version)
   /* set all special, combined or engine dependent element properties */
   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);
-#endif
-
     /* ---------- INACTIVE ------------------------------------------------- */
     SET_PROPERTY(i, EP_INACTIVE, (i >= EL_CHAR_START && i <= EL_CHAR_END));
 
@@ -3553,12 +3508,6 @@ 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)
@@ -3573,20 +3522,9 @@ 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))
     {
@@ -3610,25 +3548,6 @@ 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)));
@@ -3677,29 +3596,27 @@ void InitElementPropertiesEngine(int engine_version)
       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
   }
-#endif
 
   /* dynamically adjust element properties according to game engine version */
   {
@@ -3725,7 +3642,6 @@ void InitElementPropertiesEngine(int engine_version)
                  engine_version > VERSION_IDENT(2,0,1,0)));
   }
 
-#if 1
   /* set default push delay values (corrected since version 3.0.7-1) */
   if (engine_version < VERSION_IDENT(3,0,7,1))
   {
@@ -3770,8 +3686,6 @@ 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 */
@@ -3897,7 +3811,7 @@ 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);
@@ -3909,7 +3823,7 @@ 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);
@@ -3919,16 +3833,38 @@ 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)
@@ -3939,7 +3875,7 @@ 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 */
@@ -3961,6 +3897,11 @@ static void InitSetup()
     options.verbose = TRUE;
 }
 
+static void InitGameInfo()
+{
+  game.restart_level = FALSE;
+}
+
 static void InitPlayerInfo()
 {
   int i;
@@ -4096,7 +4037,7 @@ 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;
@@ -4197,8 +4138,6 @@ void InitGfx()
   DrawInitText(PROGRAM_COPYRIGHT_STRING, 50, FC_RED);
 
   DrawInitText("Loading graphics:", 120, FC_GREEN);
-
-  InitTileClipmasks();
 }
 
 void InitGfxBackground()
@@ -4235,9 +4174,7 @@ void InitLevelArtworkInfo()
 
 static void InitImages()
 {
-#if 1
   setLevelArtworkDir(artwork.gfx_first);
-#endif
 
 #if 0
   printf("::: InitImages for '%s' ['%s', '%s'] ['%s', '%s']\n",
@@ -4261,10 +4198,8 @@ 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();
@@ -4275,10 +4210,8 @@ 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();
@@ -4391,7 +4324,7 @@ static char *getNewArtworkIdentifier(int type)
             artwork_current_identifier) != 0)
     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)
@@ -4444,14 +4377,6 @@ void ReloadCustomArtwork(int force_reload)
 
     InitImages();
 
-#if 0
-    printf("... '%s'\n",
-          leveldir_current->graphics_set);
-#endif
-
-    FreeTileClipmasks();
-    InitTileClipmasks();
-
     redraw_screen = TRUE;
   }
 
@@ -4496,7 +4421,7 @@ void KeyboardAutoRepeatOffUnlessAutoplay()
 
 void OpenAll()
 {
-  InitGlobal();                /* initialize some global variables */
+  InitGlobal();                        /* initialize some global variables */
 
   if (options.execute_command)
     Execute_Command(options.execute_command);
@@ -4508,11 +4433,13 @@ 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 */
@@ -4579,7 +4506,6 @@ void CloseAllAndExit(int exit_value)
 #endif
 
   FreeAllImages();
-  FreeTileClipmasks();
 
 #if defined(TARGET_SDL)
   if (network_server)  /* terminate network server */