+ Rect get_active_region();
+
+ /**
+ * returns the width (in px) of a sector)
+ */
+ float get_width() const;
+
+ /**
+ * returns the height (in px) of a sector)
+ */
+ float get_height() const;
+
+ /**
+ * globally changes solid tilemaps' tile ids
+ */
+ void change_solid_tiles(uint32_t old_tile_id, uint32_t new_tile_id);
+
+ typedef std::vector<GameObject*> GameObjects;
+ typedef std::vector<MovingObject*> MovingObjects;
+ typedef std::vector<SpawnPoint*> SpawnPoints;
+ typedef std::vector<Portable*> Portables;
+
+ // --- Scripting ---
+ /**
+ * get/set color of ambient light
+ */
+ void set_ambient_light(float red, float green, float blue);
+ float get_ambient_red();
+ float get_ambient_green();
+ float get_ambient_blue();
+