Object Type Enumeration.

def ObjectTypeEnum(ctx):
    """Object Type Enumeration."""
    return Enum(
        ctx,
        static=10,
        animated=20,
        doppelganger=25,
        moving=30,
        action=40,
        base=50,
        missile=60,
        combat=70,
        building=80,
        tree=90,
        default=Pass
    )