static YamlEntitySerializer()
{
_structSerializer = new StructSerializer();
_typeSerializers = new Dictionary <Type, TypeSerializer>();
_typeSerializers.Add(typeof(Color), new ColorSerializer());
_typeSerializers.Add(typeof(MapId), new MapIdSerializer());
_typeSerializers.Add(typeof(GridId), new GridIdSerializer());
_typeSerializers.Add(typeof(Vector2), new Vector2Serializer());
_typeSerializers.Add(typeof(Angle), new AngleSerializer());
_typeSerializers.Add(typeof(Box2), new Box2Serializer());
}