Scenes: forbid deleting last local scene

Previously, it was only forbidden to delete the last scene. This can
lead to the situation where a .blend file only contains linked scenes.
This is problematic, because linked data might not always be available
or can be removed from a .blend file without having an additional check
for remaining scenes.

Now there always has to be at least one local scene.

Reviewers: mont29

Differential Revision: https://developer.blender.org/D10049

1 files changed, 2 insertions, 0 deletions

diff --git a/source/blender/blenkernel/BKE_scene.h b/source/blender/blenkernel/BKE_scene.h
index 7ac980e9d94..a3d40e093d9 100644
--- a/source/blender/blenkernel/BKE_scene.h
+++ b/source/blender/blenkernel/BKE_scene.h
@@ -110,6 +110,8 @@ void BKE_toolsettings_free(struct ToolSettings *toolsettings);
 struct Scene *BKE_scene_duplicate(struct Main *bmain, struct Scene *sce, eSceneCopyMethod type);
 void BKE_scene_groups_relink(struct Scene *sce);
 
+bool BKE_scene_can_be_removed(const struct Main *bmain, const struct Scene *scene);
+
 bool BKE_scene_has_view_layer(const struct Scene *scene, const struct ViewLayer *layer);
 struct Scene *BKE_scene_find_from_collection(const struct Main *bmain,
                                              const struct Collection *collection);