Fix: glTF: Fix regression - bone flat hierarchy export

scripts/addons_core/io_scene_gltf2/__init__.py

@@ -5,7 +5,7 @@
 bl_info = {
     'name': 'glTF 2.0 format',
     'author': 'Julien Duroure, Scurest, Norbert Nopper, Urs Hanselmann, Moritz Becher, Benjamin Schmithüsen, Jim Eckerlein, and many external contributors',
-    "version": (4, 5, 27),
+    "version": (4, 5, 28),
     'blender': (4, 4, 0),
     'location': 'File > Import-Export',
     'description': 'Import-Export as glTF 2.0',

scripts/addons_core/io_scene_gltf2/blender/exp/gather.py

@@ -80,10 +80,12 @@ def __gather_scene(blender_scene, export_settings):
     # Now, we can filter tree if needed
     vtree.filter()
 
-    vtree.bake_armature_bone_list()  # Used in case we remove the armature. Doing it after filter, as filter can remove some bones
-
     if export_settings['gltf_flatten_bones_hierarchy'] is True:
         vtree.break_bone_hierarchy()
+
+    vtree.bake_armature_bone_list()  # Used in case we remove the armature. Doing it after filter, as filter can remove some bones
+    # And ater breaking bone hierarchy, as this changed the root list
+
     if export_settings['gltf_flatten_obj_hierarchy'] is True:
         vtree.break_obj_hierarchy()
 

scripts/addons_core/io_scene_gltf2/blender/exp/tree.py

@@ -922,6 +922,8 @@ class VExportTree:
                     self.nodes[self.nodes[bone].parent_uuid].children.remove(bone)
                     self.nodes[bone].parent_uuid = arma
                     self.nodes[arma].children.append(bone)
+                    self.nodes[arma].children_type[bone] = VExportNode.CHILDREN_REAL
+                    self.nodes[bone].parent_bone_uuid = None
 
     def break_obj_hierarchy(self):
         # Can be usefull when matrix is not decomposable