void DrawMaskedBorder_DOOR_3();
void DrawMaskedBorder_ALL();
void DrawMaskedBorder(int);
+void DrawMaskedBorderToScreen(int);
void SetDrawtoField(int);
void RedrawPlayfield();
void PlaySoundActivating();
void PlaySoundSelecting();
+void SetGameStatus(int);
+
void ToggleFullscreenOrChangeWindowScalingIfNeeded();
void ChangeViewportPropertiesIfNeeded();