Fix/refactor foreach_id handling of animdata.

Now callbacks for animdata, nla strip and fcurve are in their own proper
BKE files (mimicking `foreach_id` callback of `IDTypeInfo`).

This commit also fixes some missing handling of ID pointers (text ID and
IDProperties of script fcurve modifier...).

1 files changed, 19 insertions, 0 deletions

diff --git a/source/blender/blenkernel/intern/anim_data.c b/source/blender/blenkernel/intern/anim_data.c
index 02b7763a9b4..726753a4e70 100644
--- a/source/blender/blenkernel/intern/anim_data.c
+++ b/source/blender/blenkernel/intern/anim_data.c
@@ -32,6 +32,7 @@
 #include "BKE_fcurve_driver.h"
 #include "BKE_global.h"
 #include "BKE_lib_id.h"
+#include "BKE_lib_query.h"
 #include "BKE_main.h"
 #include "BKE_nla.h"
 #include "BKE_node.h"
@@ -289,6 +290,24 @@ bool BKE_animdata_id_is_animated(const struct ID *id)
          !BLI_listbase_is_empty(&adt->overrides);
 }
 
+/** Callback used by lib_query to walk over all ID usages (mimics `foreach_id` callback of
+ * `IDTypeInfo` structure). */
+void BKE_animdata_foreach_id(AnimData *adt, LibraryForeachIDData *data)
+{
+  LISTBASE_FOREACH (FCurve *, fcu, &adt->drivers) {
+    BKE_fcurve_foreach_id(fcu, data);
+  }
+
+  BKE_LIB_FOREACHID_PROCESS(data, adt->action, IDWALK_CB_USER);
+  BKE_LIB_FOREACHID_PROCESS(data, adt->tmpact, IDWALK_CB_USER);
+
+  LISTBASE_FOREACH (NlaTrack *, nla_track, &adt->nla_tracks) {
+    LISTBASE_FOREACH (NlaStrip *, nla_strip, &nla_track->strips) {
+      BKE_nla_strip_foreach_id(nla_strip, data);
+    }
+  }
+}
+
 /* Copying -------------------------------------------- */
 
 /**