Method convertObjectVector

src/IECoreScene/ShaderNetworkAlgo.cpp:722–777

} // namespace

ShaderNetworkPtr ShaderNetworkAlgo::convertObjectVector( const ObjectVector *network )
{
	ShaderNetworkPtr result = new ShaderNetwork;
	for( const auto &member : network->members() )
	{
		const Shader *shader = runTimeCast<const Shader>( member.get() );
		if( !shader )
		{
			continue;
		}

		InternedString handle = g_defaultHandle;
		ShaderPtr shaderCopy = shader->copy();
		std::vector<ShaderNetwork::Connection> connections;

		for( auto it = shaderCopy->parameters().begin(); it != shaderCopy->parameters().end(); )
		{
			bool erase = false;
			if( const auto *stringData = runTimeCast<const StringData>( it->second.get() ) )
			{
				if( it->first == g_handle )
				{
					handle = stringData->readable();
					erase = true;
				}
				else if( auto p = linkedParameter( stringData->readable() ) )
				{
					connections.push_back( { p, { InternedString(), it->first } } );
					erase = true;
				}
			}

			if( erase )
			{
				it = shaderCopy->parameters().erase( it );
			}
			else
			{
				++it;
			}
		}

		result->addShader( handle, std::move( shaderCopy ) );
		for( const auto &c : connections )
		{
			result->addConnection( { c.source, { handle, c.destination.name } } );
		}

		if( &member == &network->members().back() )
		{
			result->setOutput( { handle } );
		}
	}

	return result;
}

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