RCG Init: migration from gitlab:robossembler/framework

rcg_pipeline/utils/object_relations.py

@@ -0,0 +1,50 @@
+#  ***** BEGIN GPL LICENSE BLOCK *****
+#
+#   Copyright (C) 2024 Ilia Kurochkin <brothermechanic@yandex.com>
+#
+#   Created by Ilia Kurochkin (brothermechanic)
+#   contact:    brothermechanic@yandex.com
+#
+#   This 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.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program; if not, see <https://www.gnu.org/licenses/>.
+#
+#  ***** END GPL LICENSE BLOCK *****
+#
+# coding: utf-8
+'''
+DESCRIPTION.
+Blender object relations functions.
+'''
+
+__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