Ireg_game_object() : owner(0), flags(0), flags2(0), lowlift(-1), highshape (-1)
Ireg_game_object(const Ireg_game_object& obj2) : Game_object(obj2), owner(0), flags(0), flags2(0), lowlift(-1), highshape (-1)
	Ireg_game_object() : owner(0), flags(0), flags2(0), lowlift(-1), highshape (-1)		{  }