[Bf-extensions-cvs] [d015eee1] gltf_vtree: glTF exporter: fix bug when no animation at all on file, and export only selection

[Julien Duroure]

Commit: d015eee1f40752baac62e9771498a6b2e878d2e9
Author: Julien Duroure
Date:   Wed Feb 9 22:08:47 2022 +0100
Branches: gltf_vtree
https://developer.blender.org/rBAd015eee1f40752baac62e9771498a6b2e878d2e9

glTF exporter: fix bug when no animation at all on file, and export only selection

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M	io_scene_gltf2/blender/exp/gltf2_blender_gather_animations.py

===================================================================

diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animations.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animations.py
index a4088b87..f4a6843b 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animations.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animations.py
@@ -25,6 +25,10 @@ from io_scene_gltf2.io.exp.gltf2_io_user_extensions import export_user_extension
 def __gather_channels_baked(obj_uuid, export_settings):
     channels = []
 
+    # If no animation in file, no need to bake
+    if len(bpy.data.actions) == 0:
+        return None
+
     start_frame = min([v[0] for v in [a.frame_range for a in bpy.data.actions]])
     end_frame = max([v[1] for v in [a.frame_range for a in bpy.data.actions]])