+ /**
+ * 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);
+