glTF importer: fix import of bone rest pose of negative scaled bones

io_scene_gltf2/__init__.py

@@ -15,7 +15,7 @@
 bl_info = {
     'name': 'glTF 2.0 format',
     'author': 'Julien Duroure, Norbert Nopper, Urs Hanselmann, Moritz Becher, Benjamin Schmithüsen, Jim Eckerlein, and many external contributors',
-    "version": (1, 1, 6),
+    "version": (1, 1, 7),
     'blender': (2, 81, 6),
     'location': 'File > Import-Export',
     'description': 'Import-Export as glTF 2.0',

io_scene_gltf2/blender/imp/gltf2_blender_skin.py

@@ -96,10 +96,10 @@ class BlenderSkin():
             obj.pose.bones[pynode.blender_bone_name].location = \
                 bind_rotation.inverted().to_matrix().to_4x4() @ final_location
 
-            # Do the same for rotation
+            # Do the same for rotation & scale
             obj.pose.bones[pynode.blender_bone_name].rotation_quaternion = \
-                (bind_rotation.to_matrix().to_4x4().inverted() @ parent_mat @
-                    rotation.to_matrix().to_4x4()).to_quaternion()
+                (pynode.blender_bone_matrix.inverted() @ parent_mat @
+                    matrix_gltf_to_blender(pynode.transform)).to_quaternion()
             obj.pose.bones[pynode.blender_bone_name].scale = \
                 (bind_scale.inverted() @ parent_mat @ scale_to_matrix(scale)).to_scale()