SceneGadget::SceneGadget()
: Gadget( defaultName<SceneGadget>() ),
m_paused( false ),
m_renderer( IECoreScenePreview::Renderer::create( "OpenGL", IECoreScenePreview::Renderer::Interactive ) ),
m_controller( nullptr, nullptr, m_renderer ),
m_updateErrored( false ),
m_renderRequestPending( false )
{
typedef CompoundObject::ObjectMap::value_type Option;
CompoundObjectPtr openGLOptions = new CompoundObject;
openGLOptions->members().insert( {
Option( "gl:primitive:wireframeColor", new Color4fData( Color4f( 0.2f, 0.2f, 0.2f, 1.0f ) ) ),
Option( "gl:primitive:pointColor", new Color4fData( Color4f( 0.9f, 0.9f, 0.9f, 1.0f ) ) ),
Option( "gl:primitive:pointWidth", new FloatData( 2.0f ) )
} );
setOpenGLOptions( openGLOptions.get() );
m_controller.updateRequiredSignal().connect(
boost::bind( &SceneGadget::requestRender, this )
);
visibilityChangedSignal().connect( boost::bind( &SceneGadget::visibilityChanged, this ) );
setContext( new Context );
}
ObjectPtr FromHoudiniPolygonsConverter::doDetailConversion( const GU_Detail *geo, const CompoundObject *operands ) const
{
const GA_PrimitiveList &primitives = geo->getPrimitiveList();
MeshPrimitivePtr result = new MeshPrimitive();
size_t numEdges = 0;
std::vector<int> vertIds;
std::vector<int> vertsPerFace;
GA_Offset start, end;
for( GA_Iterator it( geo->getPrimitiveRange() ); it.blockAdvance( start, end ); )
{
for( GA_Offset offset = start; offset < end; ++offset )
{
const GA_Primitive *prim = primitives.get( offset );
if( prim->getTypeId() != GEO_PRIMPOLY )
{
throw std::runtime_error( "FromHoudiniPolygonsConverter: Geometry contains non-polygon primitives" );
}
size_t numPrimVerts = prim->getVertexCount();
vertsPerFace.push_back( numPrimVerts );
numEdges += numPrimVerts;
std::vector<int> ids( numPrimVerts );
for( size_t j = 0; j < numPrimVerts; j++ )
{
vertIds.push_back( geo->pointIndex( prim->getPointOffset( numPrimVerts - 1 - j ) ) );
}
}
}
result->setTopology( new IntVectorData( vertsPerFace ), new IntVectorData( vertIds ) );
CompoundObjectPtr modifiedOperands = transferMeshInterpolation( geo, operands, result.get() );
if( geo->getNumVertices() )
{
transferAttribs( geo, result.get(), modifiedOperands ? modifiedOperands.get() : operands );
}
// check for corners and creases, which would have been extracted via transferAttribs()
// as they are no different to standard attribs in Houdini.
convertCorners( result.get() );
convertCreases( result.get(), vertIds, numEdges );
return result;
}