class MDL0Bone(Struct):
			__endian__ = Struct.BE
			def __format__(self):
				self.header_size = Struct.uint32
				self.mdl0offset = Struct.int32
				self.string_offset = Struct.int32
				self.index = Struct.int32
				self.nodeid = Struct.int32
				self.flags = Struct.uint32
				self.pad1 = Struct.uint32
				self.pad2 = Struct.uint32
				self.scale_x = Struct.float
				self.scale_y = Struct.float
				self.scale_z = Struct.float
				self.rot_x = Struct.float
				self.rot_y = Struct.float
				self.rot_z = Struct.float
				self.trans_x = Struct.float
				self.trans_y = Struct.float
				self.trans_z = Struct.float
				self.box_min_x = Struct.float
				self.box_min_y = Struct.float
				self.box_min_z = Struct.float
				self.box_max_x = Struct.float
				self.box_max_y = Struct.float
				self.box_max_z = Struct.float
				self.parent_offset = Struct.int32
				self.next_offset = Struct.int32
				self.prev_offset = Struct.int32
				self.add_offset = Struct.int32

				self.trans0 = Struct.float
				self.trans1 = Struct.float
				self.trans2 = Struct.float
				self.trans3 = Struct.float
				self.trans4 = Struct.float
				self.trans5 = Struct.float
				self.trans6 = Struct.float
				self.trans7 = Struct.float
				self.trans8 = Struct.float
				self.trans9 = Struct.float
				self.trans10 = Struct.float
				self.trans11 = Struct.float

				self.transi0 = Struct.float
				self.transi1 = Struct.float
				self.transi2 = Struct.float
				self.transi3 = Struct.float
				self.transi4 = Struct.float
				self.transi5 = Struct.float
				self.transi6 = Struct.float
				self.transi7 = Struct.float
				self.transi8 = Struct.float
				self.transi9 = Struct.float
				self.transi10 = Struct.float
				self.transi11 = Struct.float

is pain in the ass when it could be like

class MDL0Bone(Struct):
			__endian__ = Struct.BE
			def __format__(self):
				self.header_size = Struct.uint32
				self.mdl0offset = Struct.int32
				self.string_offset = Struct.int32
				self.index = Struct.int32
				self.nodeid = Struct.int32
				self.flags = Struct.uint32
				self.pad1 = Struct.uint32
				self.pad2 = Struct.uint32
				self.scale = Struct.vector_float
				self.rot = Struct.vector_float
				self.trans = Struct.vector_float
				self.box_min = Struct.vector_float
				self.box_max = Struct.vector_float
				self.parent_offset = Struct.int32
				self.next_offset = Struct.int32
				self.prev_offset = Struct.int32
				self.add_offset = Struct.int32

				self.BIND_SHAPE_MATRIX = Struct.matrix4x3

				self.INV_BIND_SHAPE_MATRIX = Struct.matrix4x3