#include <vector>
-#include "game_object.h"
+#include "special/game_object.h"
#include "serializable.h"
-#include "vector.h"
+#include "math/vector.h"
+
+using namespace SuperTux;
+
+namespace SuperTux {
+class LispReader;
+}
class Level;
class TileManager;
-class LispReader;
class Tile;
struct TileId