Method ifGroupForceHashChangeOfInputs

Engine/NodeInputs.cpp:838–852

void
Node::Implementation::ifGroupForceHashChangeOfInputs()
{
    ///If the node is a group, force a change of the outputs of the GroupInput nodes so the hash of the tree changes downstream
    NodeGroup* isGrp = dynamic_cast<NodeGroup*>( effect.get() );

    if ( isGrp && !isGrp->getApp()->isCreatingNodeTree() ) {
        NodesList inputsOutputs;
        isGrp->getInputsOutputs(&inputsOutputs, false);
        for (NodesList::iterator it = inputsOutputs.begin(); it != inputsOutputs.end(); ++it) {
            (*it)->incrementKnobsAge_internal();
            (*it)->computeHash();
        }
    }
}

bool
Node::replaceInputInternal(const NodePtr& input, int inputNumber, bool useGuiInputs)