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, 16 insertions, 0 deletions

diff --git a/source/blender/blenkernel/intern/nla.c b/source/blender/blenkernel/intern/nla.c
index 6edccbccc76..4ef68b91a84 100644
--- a/source/blender/blenkernel/intern/nla.c
+++ b/source/blender/blenkernel/intern/nla.c
@@ -49,6 +49,7 @@
 #include "BKE_fcurve.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_sound.h"
@@ -425,6 +426,21 @@ NlaStrip *BKE_nla_add_soundstrip(Main *bmain, Scene *scene, Speaker *speaker)
   return strip;
 }
 
+/** Callback used by lib_query to walk over all ID usages (mimics `foreach_id` callback of
+ * `IDTypeInfo` structure). */
+void BKE_nla_strip_foreach_id(NlaStrip *strip, LibraryForeachIDData *data)
+{
+  BKE_LIB_FOREACHID_PROCESS(data, strip->act, IDWALK_CB_USER);
+
+  LISTBASE_FOREACH (FCurve *, fcu, &strip->fcurves) {
+    BKE_fcurve_foreach_id(fcu, data);
+  }
+
+  LISTBASE_FOREACH (NlaStrip *, substrip, &strip->strips) {
+    BKE_nla_strip_foreach_id(substrip, data);
+  }
+}
+
 /* *************************************************** */
 /* NLA Evaluation <-> Editing Stuff */