glTF exporter: Add glTF settings node in shader menu

This menu (in Add > Output) will be displayed only if activated in addon preferences.
The node is sed for AO export. This is a shortcut, avoiding user to create it him/herself

1 files changed, 2 insertions, 7 deletions

diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_pbrMetallicRoughness.py b/io_scene_gltf2/blender/imp/gltf2_blender_pbrMetallicRoughness.py
index 1780998c..a5d10a7a 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_pbrMetallicRoughness.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_pbrMetallicRoughness.py
@@ -3,7 +3,7 @@
 
 import bpy
 from ...io.com.gltf2_io import TextureInfo, MaterialPBRMetallicRoughness
-from ..com.gltf2_blender_material_helpers import get_gltf_node_name
+from ..com.gltf2_blender_material_helpers import get_gltf_node_name, create_settings_group
 from .gltf2_blender_texture import texture
 from .gltf2_blender_KHR_materials_clearcoat import \
     clearcoat, clearcoat_roughness, clearcoat_normal
@@ -552,16 +552,11 @@ def make_settings_node(mh):
     node.node_tree = get_settings_group()
     return node
 
-
 def get_settings_group():
     gltf_node_group_name = get_gltf_node_name()
     if gltf_node_group_name in bpy.data.node_groups:
         gltf_node_group = bpy.data.node_groups[gltf_node_group_name]
     else:
         # Create a new node group
-        gltf_node_group = bpy.data.node_groups.new(gltf_node_group_name, 'ShaderNodeTree')
-        gltf_node_group.inputs.new("NodeSocketFloat", "Occlusion")
-        gltf_node_group.nodes.new('NodeGroupOutput')
-        gltf_node_group_input = gltf_node_group.nodes.new('NodeGroupInput')
-        gltf_node_group_input.location = -200, 0
+        gltf_node_group = create_settings_group(gltf_node_group_name)
     return gltf_node_group