Commit: afa3aec45d95c225c0388615ad5d0549769df1fe
Author: Alexander Gavrilov
Date: Fri Dec 21 22:35:19 2018 +0300
Branches: master
https://developer.blender.org/rBafa3aec45d95c225c0388615ad5d0549769df1fe
Fix T59734: cyclic dependency with drivers on PoseBone.bbone_*.
Allow more flexible use of drivers on B-Bone properties by
connecting the dependencies to the actual operation node that
uses the values, instead of the whole component.
===================================================================
M source/blender/depsgraph/intern/depsgraph.cc
===================================================================
diff --git a/source/blender/depsgraph/intern/depsgraph.cc
b/source/blender/depsgraph/intern/depsgraph.cc
index f3f4d788da2..006e246e287 100644
--- a/source/blender/depsgraph/intern/depsgraph.cc
+++ b/source/blender/depsgraph/intern/depsgraph.cc
@@ -150,6 +150,11 @@ static bool pointer_to_component_node_criteria(
/* Bone - generally, we just want the bone component. */
*type = DEG_NODE_TYPE_BONE;
*subdata = pchan->name;
+ /* But B-Bone properties should connect to the actual
operation. */
+ if (!ELEM(NULL, pchan->bone, prop) &&
pchan->bone->segments > 1 &&
+ STRPREFIX(RNA_property_identifier(prop), "bbone_"))
{
+ *operation_code = DEG_OPCODE_BONE_SEGMENTS;
+ }
}
return true;
}
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