LibOverride: Add read-only flags accessors for 'local override' status.

Constraints, modifiers and NLA tracks can now report from RNA whether
they are defined as comming from the override's reference linked data,
or are local to the override.

1 files changed, 9 insertions, 0 deletions

diff --git a/source/blender/makesrna/intern/rna_nla.c b/source/blender/makesrna/intern/rna_nla.c
index d0711f28a6e..b19836a7f12 100644
--- a/source/blender/makesrna/intern/rna_nla.c
+++ b/source/blender/makesrna/intern/rna_nla.c
@@ -885,6 +885,15 @@ static void rna_def_nlatrack(BlenderRNA *brna)
   RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
   RNA_def_property_ui_text(prop, "NLA Strips", "NLA Strips on this NLA-track");
 
+  prop = RNA_def_boolean(srna,
+                         "is_override_data",
+                         false,
+                         "Override Track",
+                         "In a local override data, whether this NLA track comes from the linked "
+                         "reference data, or is local to the override");
+  RNA_def_property_clear_flag(prop, PROP_EDITABLE);
+  RNA_def_property_boolean_negative_sdna(prop, NULL, "flag", NLATRACK_OVERRIDELIBRARY_LOCAL);
+
   rna_api_nlatrack_strips(brna, prop);
 
   RNA_define_lib_overridable(true);