Method removeComponentConnectionAdapters

src/IECoreScene/ShaderNetworkAlgo.cpp:497–577

}

void ShaderNetworkAlgo::removeComponentConnectionAdapters( ShaderNetwork *network )
{
	std::vector< IECore::InternedString > toRemove;

	InternedString component;
	InternedString inParameter;
	std::array<InternedString, 4> inParameters;
	InternedString outParameter;

	for( const auto &s : network->shaders() )
	{
		if( isSplitAdapter( s.second.get(), component, inParameter, outParameter ) )
		{
			ShaderNetwork::Parameter source = network->input( ShaderNetwork::Parameter( s.first, inParameter ) );
			if( !source )
			{
				throw IECore::Exception( boost::str(
					boost::format(
						"removeComponentConnectionAdapters : \"%1%.%2%\" has no input"
					) % s.first.string() % inParameter.string()
				) );
			}
			source.name = source.name.string() + "." + component.string();

			const ShaderNetwork::ConnectionRange outputConnections = network->outputConnections( s.first );
			for( auto connectionIt = outputConnections.begin(); connectionIt != outputConnections.end(); )
			{
				// Copy and increment now so we still have a valid iterator when we
				// remove the connection.
				const ShaderNetwork::Connection connection = *connectionIt++;
				network->removeConnection( connection );
				network->addConnection( { source, connection.destination } );
			}

			toRemove.push_back( s.first );
		}
		else if( isJoinAdapter( s.second.get(), inParameters, outParameter ) )
		{
			std::array<ShaderNetwork::Parameter, 4> componentInputs;
			for( size_t i = 0; i < inParameters.size(); ++i )
			{
				if( !inParameters[i].string().empty() )
				{
					componentInputs[i] = network->input( { s.first, inParameters[i] } );
				}
			}

			const ShaderNetwork::ConnectionRange outputConnections = network->outputConnections( s.first );
			for( auto connectionIt = outputConnections.begin(); connectionIt != outputConnections.end(); )
			{
				// Copy and increment now so we still have a valid iterator when we
				// remove the connection.
				const ShaderNetwork::Connection connection = *connectionIt++;
				network->removeConnection( connection );

				const Data *destinationValue = network->getShader( connection.destination.shader )->parametersData()->member<Data>( connection.destination.name );
				const bool isColor = runTimeCast<const Color3fData>( destinationValue ) || runTimeCast<const Color4fData>( destinationValue );