private static IDispatchee BuildDoorFromThis(IDispatchee door)
{
door.CheckType(Door.DispatcheeName);
return(new Door((Door)door));
}
private static IDispatchee BuildRockFromThis(IDispatchee rock)
{
rock.CheckType(Rock.DispatcheeName);
return(new Rock((Rock)rock));
}
private static IDispatchee BuildWallFromThis(IDispatchee wall)
{
wall.CheckType(Wall.DispatcheeName);
return(new Wall((Wall)wall));
}