-extern texture_type img_bkgd, img_bkgd_tile[2][4], img_solid[4], img_brick[2];
-
-void level_default (st_level* plevel);
-int level_load (st_level* plevel, const char * subset, int level);
-void level_parse (st_level* plevel, lisp_object_t* cursor);
-int level_load (st_level* plevel, const char* filename);
-void level_save (st_level* plevel, const char * subset, int level);
-void level_free (st_level* plevel);
-void level_load_gfx (st_level* plevel);
-void level_change (st_level* plevel, float x, float y, int tm, unsigned int c);
-void level_change_size (st_level* plevel, int new_width);
-void level_load_song(st_level* plevel);
-void level_free_gfx();
-void level_load_image(texture_type* ptexture, std::string theme, const char * file, int use_alpha);
-void level_free_song(void);
+ /** Load data for this level:
+ Returns -1, if the loading of the level failed.
+ XXX the world parameter is a temporary hack
+ */
+ int load(const std::string& filename, World* world);
+
+ void load_gfx();
+
+ void load_song();
+ void free_song();
+ MusicRef get_level_music();
+ MusicRef get_level_music_fast();
+
+ // XXX the world parameter is a temporary hack
+ void save(const std::string& subset, int level, World* world);
+
+ /** Edit a piece of the map! */
+ void change(float x, float y, int tm, unsigned int c);
+
+ /** Resize the level to a new width/height */
+ void resize(int new_width, int new_height);
+
+ /** Return the id of the tile at position x/y */
+ unsigned int gettileid(float x, float y) const;
+ /** returns the id of the tile at position x,y
+ * (these are logical and not pixel coordinates)
+ */
+ unsigned int get_tile_at(int x, int y) const;
+
+ void load_image(Surface** ptexture, std::string theme, const char * file, int use_alpha);
+};