void DrawScreenElementExt(int, int, int, int, int, int, int);
void DrawLevelElementExt(int, int, int, int, int, int, int);
void DrawScreenElementShifted(int, int, int, int, int, int);
void DrawScreenElementExt(int, int, int, int, int, int, int);
void DrawLevelElementExt(int, int, int, int, int, int, int);
void DrawScreenElementShifted(int, int, int, int, int, int);