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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.
This commit is contained in:
Alexander Gavrilov 2018-12-21 22:35:19 +03:00
parent c79b849097
commit afa3aec45d
Notes: blender-bot 2023-02-14 04:21:45 +01:00 
Referenced by issue #59734, Cyclic dependency when b-bones parameters are driven by a child bone
1 changed files with 5 additions and 0 deletions
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5
source/blender/depsgraph/intern/depsgraph.cc
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@ -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;
}