From 064d3a5730c7c7e7199fdd862f6a72efa9dc0a17 Mon Sep 17 00:00:00 2001
From: Julien Duroure <julien.duroure@gmail.com>
Date: Tue, 17 Jun 2025 12:00:31 +0200
Subject: [PATCH] glTF importer: Fix importing some file

Where special nvode creation is mandatory.
---
 scripts/addons_core/io_scene_gltf2/__init__.py       |  2 +-
 .../addons_core/io_scene_gltf2/blender/imp/vnode.py  | 12 ++++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/scripts/addons_core/io_scene_gltf2/__init__.py b/scripts/addons_core/io_scene_gltf2/__init__.py
index 51e8cc2b3ef..b510d53b8a2 100755
--- a/scripts/addons_core/io_scene_gltf2/__init__.py
+++ b/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, 34),
+    "version": (4, 5, 35),
     'blender': (4, 4, 0),
     'location': 'File > Import-Export',
     'description': 'Import-Export as glTF 2.0',
diff --git a/scripts/addons_core/io_scene_gltf2/blender/imp/vnode.py b/scripts/addons_core/io_scene_gltf2/blender/imp/vnode.py
index fce1850cc45..4b36793a2ee 100644
--- a/scripts/addons_core/io_scene_gltf2/blender/imp/vnode.py
+++ b/scripts/addons_core/io_scene_gltf2/blender/imp/vnode.py
@@ -3,6 +3,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 import bpy
+from itertools import chain
 from mathutils import Vector, Quaternion, Matrix
 from ...io.imp.gltf2_io_binary import BinaryData
 from ..com.gltf2_blender_math import scale_rot_swap_matrix, nearby_signed_perm_matrix
@@ -242,6 +243,7 @@ def manage_gpu_instancing(gltf, vnode, i, ext, mesh_id):
         inst_vnode.children = []
         inst_vnode.base_trs = get_inst_trs(gltf, trans_list[inst], rot_list[inst], scale_list[inst])
         inst_vnode.mesh_idx = mesh_id
+        # Do not set scenes here, this will be handle later by recursive add_nodes_to_scene
 
         vnode.children.append(inst_id)
 
@@ -283,6 +285,13 @@ def mark_bones_and_armas(gltf):
             gltf.vnodes[arma_id].type = VNode.Object
             gltf.vnodes[arma_id].is_arma = True
             gltf.vnodes[arma_id].arma_name = skin.name or 'Armature'
+            # Because the dummy root node is no more an dummy node, but a real armature object,
+            # We need to set the scenes on the vnode
+            gltf.vnodes[arma_id].scenes = list(
+                set(chain.from_iterable(
+                    gltf.vnodes[joint].scenes for joint in skin.joints
+                ))
+            )
 
         for joint in skin.joints:
             while joint != arma_id:
@@ -434,6 +443,7 @@ def fixup_multitype_nodes(gltf):
                 gltf.vnodes[new_id] = VNode()
                 gltf.vnodes[new_id].mesh_node_idx = vnode.mesh_node_idx
                 gltf.vnodes[new_id].parent = id
+                gltf.vnodes[new_id].scenes = vnode.scenes
                 vnode.children.append(new_id)
                 vnode.mesh_node_idx = None
             needs_move = True
@@ -444,6 +454,7 @@ def fixup_multitype_nodes(gltf):
                 gltf.vnodes[new_id] = VNode()
                 gltf.vnodes[new_id].camera_node_idx = vnode.camera_node_idx
                 gltf.vnodes[new_id].parent = id
+                gltf.vnodes[new_id].scenes = vnode.scenes
                 vnode.children.append(new_id)
                 vnode.camera_node_idx = None
             needs_move = True
@@ -454,6 +465,7 @@ def fixup_multitype_nodes(gltf):
                 gltf.vnodes[new_id] = VNode()
                 gltf.vnodes[new_id].light_node_idx = vnode.light_node_idx
                 gltf.vnodes[new_id].parent = id
+                gltf.vnodes[new_id].scenes = vnode.scenes
                 vnode.children.append(new_id)
                 vnode.light_node_idx = None
             needs_move = True