# -*- coding: utf-8 -*-
# Copyright (C) 2023 Ilia Kurochkin <brothermechanic@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
__version__ = '0.1'

import bpy


def parenting(parent, child):
    ''' Parenting child object to parent object. '''
    child.parent = parent
    child.matrix_parent_inverse = parent.matrix_world.inverted()
    return child


def unparenting(child):
    ''' Unarenting child object from parent object. '''
    # update database
    bpy.context.view_layer.update()

    world_matrix = child.matrix_world.copy()
    child.parent = None
    child.matrix_world = world_matrix
    return child