void InitGfxFieldInfo(int, int, int, int, int, int, int, int, Bitmap *);
void InitGfxDoor1Info(int, int, int, int);
void InitGfxDoor2Info(int, int, int, int);
void InitGfxFieldInfo(int, int, int, int, int, int, int, int, Bitmap *);
void InitGfxDoor1Info(int, int, int, int);
void InitGfxDoor2Info(int, int, int, int);