glTF exporter: export extra for 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, 2, 65),
+    "version": (1, 2, 66),
     'blender': (2, 83, 9),
     'location': 'File > Import-Export',
     'description': 'Import-Export as glTF 2.0',

io_scene_gltf2/blender/exp/gltf2_blender_gather_joints.py

@@ -21,7 +21,7 @@ from io_scene_gltf2.io.com import gltf2_io_debug
 from io_scene_gltf2.blender.exp import gltf2_blender_extract
 from io_scene_gltf2.blender.com import gltf2_blender_math
 from io_scene_gltf2.blender.exp import gltf2_blender_gather_skins
-
+from ..com.gltf2_blender_extras import generate_extras
 
 @cached
 def gather_joint(blender_object, blender_bone, export_settings):
@@ -71,7 +71,7 @@ def gather_joint(blender_object, blender_bone, export_settings):
         camera=None,
         children=children,
         extensions=None,
-        extras=None,
+        extras=__gather_extras(blender_bone, export_settings),
         matrix=None,
         mesh=None,
         name=blender_bone.name,
@@ -81,3 +81,8 @@ def gather_joint(blender_object, blender_bone, export_settings):
         translation=translation,
         weights=None
     )
+
+def __gather_extras(blender_bone, export_settings):
+    if export_settings['gltf_extras']:
+        return generate_extras(blender_bone.bone)
+    return None