#include "audio/musicref.h"
#include "video/drawing_context.h"
+using namespace SuperTux;
+
+namespace SuperTux {
class GameObject;
+class LispReader;
+}
+
class InteractiveObject;
class Background;
class Player;
class Upgrade;
class Bullet;
class BadGuy;
-class Vector;
-class LispReader;
class Tile;
struct SpawnPoint