IECore::LightPtr ArnoldLight::computeLight( const Gaffer::Context *context ) const
{
IECore::LightPtr result = new IECore::Light( getChild<StringPlug>( "__shaderName" )->getValue() );
for( InputValuePlugIterator it( parametersPlug() ); it!=it.end(); it++ )
{
result->parameters()[(*it)->getName()] = CompoundDataPlug::extractDataFromPlug( *it );
}
return result;
}
IECore::ObjectVectorPtr RenderManLight::computeLight( const Gaffer::Context *context ) const
{
IECore::LightPtr result = new IECore::Light( "ri:" + shaderNamePlug()->getValue() );
for( InputValuePlugIterator it( parametersPlug() ); it!=it.end(); it++ )
{
result->parameters()[(*it)->getName()] = CompoundDataPlug::extractDataFromPlug( it->get() );
}
IECore::ObjectVectorPtr resultVector = new IECore::ObjectVector();
resultVector->members().push_back( result );
return resultVector;
}
IECore::ConstCompoundObjectPtr Light::computeAttributes( const SceneNode::ScenePath &path, const Gaffer::Context *context, const ScenePlug *parent ) const
{
IECore::CompoundObjectPtr result = new IECore::CompoundObject;
std::string lightAttribute = "light";
IECore::ObjectVectorPtr lightShaders = computeLight( context );
if( lightShaders->members().size() > 0 )
{
IECore::LightPtr light = IECore::runTimeCast< IECore::Light >(
lightShaders->members()[ lightShaders->members().size() - 1 ] );
std::string lightName = light->getName();
size_t colon = lightName.find( ":" );
if( colon != std::string::npos )
{
lightAttribute = lightName.substr( 0, colon ) + ":light";
}
}
result->members()[lightAttribute] = lightShaders;
return result;
}
IECore::StateRenderable *Shader::NetworkBuilder::shader( const Shader *shaderNode )
{
shaderNode = effectiveNode( shaderNode );
if( !shaderNode )
{
return NULL;
}
if( !m_downstreamShaders.insert( shaderNode ).second )
{
throwCycleError( shaderNode );
}
ShaderAndHash &shaderAndHash = m_shaders[shaderNode];
if( shaderAndHash.shader )
{
return shaderAndHash.shader.get();
}
const std::string &shaderType = shaderNode->typePlug()->getValue();
if( boost::ends_with( shaderType, "light" ) )
{
std::string prefix = "";
size_t colon = shaderType.find_first_of( ":" );
if( colon != std::string::npos )
{
prefix = shaderType.substr( 0, colon + 1 );
}
IECore::LightPtr lightShader = new IECore::Light( prefix + shaderNode->namePlug()->getValue(), "LIGHT_HANDLE_UNUSED" );
parameterValueWalk( shaderNode, shaderNode->parametersPlug(), IECore::InternedString(), lightShader->parameters() );
shaderAndHash.shader = lightShader;
}
else
{
IECore::ShaderPtr shaderShader = new IECore::Shader( shaderNode->namePlug()->getValue(), shaderType );
parameterValueWalk( shaderNode, shaderNode->parametersPlug(), IECore::InternedString(), shaderShader->parameters() );
shaderAndHash.shader = shaderShader;
}
shaderAndHash.shader->blindData()->writable()["gaffer:nodeName"] = new IECore::StringData( shaderNode->nodeNamePlug()->getValue() );
shaderAndHash.shader->blindData()->writable()["gaffer:nodeColor"] = new IECore::Color3fData( shaderNode->nodeColorPlug()->getValue() );
m_state->members().push_back( shaderAndHash.shader );
m_downstreamShaders.erase( shaderNode );
return shaderAndHash.shader.get();
}
IECore::LightPtr TestLight::computeLight( const Gaffer::Context *context ) const
{
IECore::LightPtr result = new IECore::Light( "testLight" );
result->parameters()["intensity"] = new IECore::Color3fData( parametersPlug()->getChild<Color3fPlug>( "intensity" )->getValue() );
return result;
}