Commit: 01bda15832bf2084618fdbf242cd550f0ebbf727
Author: Bastien Montagne
Date: Wed Dec 10 13:25:04 2014 +0100
Branches: master
https://developer.blender.org/rB01bda15832bf2084618fdbf242cd550f0ebbf727
Fix T42472: Undoing/Redoing repeated transform operator gives wrong final
matrix on objects with no geom data.
This hack should not be needed here, quoting Sergey, the actual issue comes
from BKE_object_handle_update_ex,
which is calling BKE_object_where_is_calc_ex when it shouldn't.
Propper fix is depsgraph refactor topic, though.
===================================================================
M source/blender/blenkernel/intern/depsgraph.c
===================================================================
diff --git a/source/blender/blenkernel/intern/depsgraph.c
b/source/blender/blenkernel/intern/depsgraph.c
index 44a0b93..566aa66 100644
--- a/source/blender/blenkernel/intern/depsgraph.c
+++ b/source/blender/blenkernel/intern/depsgraph.c
@@ -2357,6 +2357,15 @@ void DAG_on_visible_update(Main *bmain, const bool
do_time)
ob->recalc |= OB_RECALC_DATA;
lib_id_recalc_tag(bmain, &ob->id);
}
+ /* This should not be needed here, but in some
cases, like after a redo, we can end up with
+ * a wrong final matrix (see T42472).
+ * Quoting Sergey, this comes from
BKE_object_handle_update_ex, which is calling
+ * BKE_object_where_is_calc_ex when it
shouldn't, but that issue is not easily fixable.
+ */
+ else {
+ ob->recalc |= OB_RECALC_OB;
+ lib_id_recalc_tag(bmain, &ob->id);
+ }
if (ob->proxy && (ob->proxy_group == NULL)) {
ob->proxy->recalc |= OB_RECALC_DATA;
lib_id_recalc_tag(bmain, &ob->id);
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