Method getOutputPin

source/MaterialXGraphEditor/Graph.cpp:298–357

}

ed::PinId Graph::getOutputPin(UiNodePtr node, UiNodePtr upNode, UiPinPtr input)
{
    if (upNode->getNodeGraph() != nullptr)
    {
        // For nodegraph need to get the correct output pin according to the names of the output nodes
        mx::OutputPtr output;
        if (input->getUiNode()->getNode())
        {
            output = input->getUiNode()->getNode()->getConnectedOutput(input->getName());
        }
        else if (input->getUiNode()->getNodeGraph())
        {
            output = input->getUiNode()->getNodeGraph()->getConnectedOutput(input->getName());
        }

        if (output)
        {
            std::string outName = output->getName();
            for (UiPinPtr outputs : upNode->getOutputPins())
            {
                if (outputs->getName() == outName)
                {
                    return outputs->getPinId();
                }
            }
        }
        return ed::PinId();
    }
    else
    {
        // For node need to get the correct output pin based on the output attribute
        if (!upNode->getOutputPins().empty())
        {
            std::string outputName = mx::EMPTY_STRING;
            if (input->getInput())
            {
                outputName = input->getInput()->getOutputString();
            }
            else if (input->getOutput())
            {
                outputName = input->getOutput()->getOutputString();
            }

            size_t pinIndex = 0;
            if (!outputName.empty())
            {
                for (size_t i = 0; i < upNode->getOutputPins().size(); i++)
                {
                    if (upNode->getOutputPins()[i]->getName() == outputName)
                    {
                        pinIndex = i;
                        break;
                    }
                }
            }
            return (upNode->getOutputPins()[pinIndex]->getPinId());
        }
        return ed::PinId();