glTF exporter: define a user extension API

1 files changed, 6 insertions, 1 deletions

diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_cameras.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_cameras.py
index 3cde0fcb..6075440c 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_cameras.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_cameras.py
@@ -16,6 +16,7 @@ from . import gltf2_blender_export_keys
 from io_scene_gltf2.blender.exp.gltf2_blender_gather_cache import cached
 from ..com.gltf2_blender_extras import generate_extras
 from io_scene_gltf2.io.com import gltf2_io
+from io_scene_gltf2.io.exp.gltf2_io_user_extensions import export_user_extensions
 
 import bpy
 import math
@@ -26,7 +27,7 @@ def gather_camera(blender_camera, export_settings):
     if not __filter_camera(blender_camera, export_settings):
         return None
 
-    return gltf2_io.Camera(
+    camera = gltf2_io.Camera(
         extensions=__gather_extensions(blender_camera, export_settings),
         extras=__gather_extras(blender_camera, export_settings),
         name=__gather_name(blender_camera, export_settings),
@@ -35,6 +36,10 @@ def gather_camera(blender_camera, export_settings):
         type=__gather_type(blender_camera, export_settings)
     )
 
+    export_user_extensions('gather_camera_hook', export_settings, camera, blender_camera)
+
+    return camera
+
 
 def __filter_camera(blender_camera, export_settings):
     return bool(__gather_type(blender_camera, export_settings))