int dst_offset_x, dst_offset_y;
int width, height;
- boolean has_crumbled_graphics;
Bitmap *crumbled_bitmap;
int crumbled_src_x, crumbled_src_y;
int crumbled_border_size;
+ boolean has_crumbled_graphics;
+ boolean preserve_background;
+
int unique_identifier; /* used to identify needed screen updates */
};