ID Static Override, part II: RNA changes.

This is essentially a huge refactor/extension of our existing RNA
compare & copy code, since static override needs more advanced handling here.

Note that not all new features are implemented yet, advanced things like
collections insertion/deletion are still TODO (medium priority).

This completes the ground work for overrides, remaining commits will be
about UI and some basic/testing activation of overrides for a limited
set of data-blocks & properties.

For details see https://developer.blender.org/D2417

1 files changed, 36 insertions, 0 deletions

diff --git a/source/blender/makesrna/intern/rna_internal.h b/source/blender/makesrna/intern/rna_internal.h
index 23a34918d33..7dffab4eefb 100644
--- a/source/blender/makesrna/intern/rna_internal.h
+++ b/source/blender/makesrna/intern/rna_internal.h
@@ -37,6 +37,9 @@
 
 struct FreestyleSettings;
 struct ID;
+struct IDOverrideStatic;
+struct IDOverrideStaticProperty;
+struct IDOverrideStaticPropertyOperation;
 struct IDProperty;
 struct Main;
 struct Mesh;
@@ -201,6 +204,12 @@ void RNA_def_mask(struct BlenderRNA *brna);
 
 void rna_def_animdata_common(struct StructRNA *srna);
 
+bool rna_AnimaData_override_apply(
+        struct PointerRNA *ptr_local, struct PointerRNA *ptr_reference, struct PointerRNA *ptr_storage,
+        struct PropertyRNA *prop_local, struct PropertyRNA *prop_reference, struct PropertyRNA *prop_storage,
+        const int len_local, const int len_reference, const int len_storage,
+        struct IDOverrideStaticPropertyOperation *opop);
+
 void rna_def_animviz_common(struct StructRNA *srna);
 void rna_def_motionpath_common(struct StructRNA *srna);
 
@@ -391,6 +400,33 @@ extern StructRNA RNA_PropertyGroup;
 
 struct IDProperty *rna_idproperty_check(struct PropertyRNA **prop, struct PointerRNA *ptr);
 
+/* Override default callbacks. */
+/* Default override callbacks for all types. */
+/* TODO: Maybe at some point we'll want to write that in direct RNA-generated code instead
+ *       (like we do for default get/set/etc.)?
+ *       Not obvious though, those are fairly more complicated than basic SDNA access.
+ */
+int rna_property_override_diff_default(
+        struct PointerRNA *ptr_a, struct PointerRNA *ptr_b,
+        struct PropertyRNA *prop_a, struct PropertyRNA *prop_b,
+        const int len_a, const int len_b,
+        const int mode,
+        struct IDOverrideStatic *override, const char *rna_path,
+        const int flags, bool *r_override_changed);
+
+bool rna_property_override_store_default(
+        struct PointerRNA *ptr_local, struct PointerRNA *ptr_reference, struct PointerRNA *ptr_storage,
+        struct PropertyRNA *prop_local, struct PropertyRNA *prop_reference, struct PropertyRNA *prop_storage,
+        const int len_local, const int len_reference, const int len_storage,
+        struct IDOverrideStaticPropertyOperation *opop);
+
+bool rna_property_override_apply_default(
+        struct PointerRNA *ptr_dst, struct PointerRNA *ptr_src, struct PointerRNA *ptr_storage,
+        struct PropertyRNA *prop_dst, struct PropertyRNA *prop_src, struct PropertyRNA *prop_storage,
+        const int len_dst, const int len_src, const int len_storage,
+        struct IDOverrideStaticPropertyOperation *opop);
+
+
 /* Builtin Property Callbacks */
 
 void rna_builtin_properties_begin(struct CollectionPropertyIterator *iter, struct PointerRNA *ptr);