glTF importer: Implement a user extension system

1 files changed, 5 insertions, 0 deletions

diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_material.py b/io_scene_gltf2/blender/imp/gltf2_blender_material.py
index 077f5af6..1a5be06f 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_material.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_material.py
@@ -18,6 +18,7 @@ from ..com.gltf2_blender_extras import set_extras
 from .gltf2_blender_pbrMetallicRoughness import MaterialHelper, pbr_metallic_roughness
 from .gltf2_blender_KHR_materials_pbrSpecularGlossiness import pbr_specular_glossiness
 from .gltf2_blender_KHR_materials_unlit import unlit
+from io_scene_gltf2.io.imp.gltf2_io_user_extensions import import_user_extensions
 
 
 class BlenderMaterial():
@@ -30,6 +31,8 @@ class BlenderMaterial():
         """Material creation."""
         pymaterial = gltf.data.materials[material_idx]
 
+        import_user_extensions('gather_import_material_before_hook', gltf, pymaterial, vertex_color)
+
         name = pymaterial.name
         if name is None:
             name = "Material_" + str(material_idx)
@@ -56,6 +59,8 @@ class BlenderMaterial():
         else:
             pbr_metallic_roughness(mh)
 
+        import_user_extensions('gather_import_material_after_hook', gltf, pymaterial, vertex_color, mat)
+
     @staticmethod
     def set_double_sided(pymaterial, mat):
         mat.use_backface_culling = (pymaterial.double_sided != True)