FromHoudiniGeometryConverter::Convertability FromHoudiniCurvesConverter::canConvert( const GU_Detail *geo )
{
const GA_PrimitiveList &primitives = geo->getPrimitiveList();
unsigned numPrims = geo->getNumPrimitives();
GA_Iterator firstPrim = geo->getPrimitiveRange().begin();
if ( !numPrims || !compatiblePrimitive( primitives.get( firstPrim.getOffset() )->getTypeId() ) )
{
return Inapplicable;
}
const GEO_Curve *firstCurve = (const GEO_Curve*)primitives.get( firstPrim.getOffset() );
bool periodic = firstCurve->isClosed();
unsigned order = firstCurve->getOrder();
for ( GA_Iterator it=firstPrim; !it.atEnd(); ++it )
{
const GA_Primitive *prim = primitives.get( it.getOffset() );
if ( !compatiblePrimitive( prim->getTypeId() ) )
{
return Inapplicable;
}
const GEO_Curve *curve = (const GEO_Curve*)prim;
if ( curve->getOrder() != order )
{
return Inapplicable;
}
if ( curve->isClosed() != periodic )
{
return Inapplicable;
}
}
// is there a single named shape?
GA_ROAttributeRef attrRef = geo->findPrimitiveAttribute( "name" );
if ( attrRef.isValid() && attrRef.isString() )
{
const GA_Attribute *nameAttr = attrRef.getAttribute();
const GA_AIFSharedStringTuple *tuple = nameAttr->getAIFSharedStringTuple();
GA_StringTableStatistics stats;
tuple->getStatistics( nameAttr, stats );
if ( stats.getEntries() < 2 )
{
return Ideal;
}
}
return Suitable;
}
FromHoudiniGeometryConverter::Convertability FromHoudiniPolygonsConverter::canConvert( const GU_Detail *geo )
{
const GA_PrimitiveList &primitives = geo->getPrimitiveList();
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 )
{
return Inapplicable;
}
}
}
if ( hasOnlyOpenPolygons( geo ) )
{
return Suitable;
}
// is there a single named shape?
GA_ROHandleS nameAttrib( geo, GA_ATTRIB_PRIMITIVE, GA_Names::name );
if( nameAttrib.isValid() )
{
GA_StringTableStatistics stats;
const GA_Attribute *nameAttr = nameAttrib.getAttribute();
const GA_AIFSharedStringTuple *tuple = nameAttr->getAIFSharedStringTuple();
tuple->getStatistics( nameAttr, stats );
if ( stats.getEntries() < 2 )
{
return Ideal;
}
}
return Suitable;
}
bool LiveScene::hasObject() const
{
OP_Node *node = retrieveNode( true );
if ( node->isManager() )
{
return false;
}
OBJ_Node *objNode = node->castToOBJNode();
if ( !objNode )
{
return false;
}
OBJ_OBJECT_TYPE type = objNode->getObjectType();
if ( type == OBJ_GEOMETRY )
{
OP_Context context( adjustedDefaultTime() );
const GU_Detail *geo = objNode->getRenderGeometry( context, false );
if ( !geo )
{
return false;
}
// multiple named shapes define children that contain each object
/// \todo: similar attribute logic is repeated in several places. unify in a single function if possible
GA_ROAttributeRef nameAttrRef = geo->findStringTuple( GA_ATTRIB_PRIMITIVE, "name" );
if ( !nameAttrRef.isValid() )
{
return true;
}
const GA_Attribute *nameAttr = nameAttrRef.getAttribute();
const GA_AIFSharedStringTuple *tuple = nameAttr->getAIFSharedStringTuple();
GA_StringTableStatistics stats;
tuple->getStatistics( nameAttr, stats );
GA_Size numShapes = stats.getEntries();
if ( !numShapes )
{
return true;
}
GA_Size numStrings = stats.getCapacity();
for ( GA_Size i=0; i < numStrings; ++i )
{
GA_StringIndexType validatedIndex = tuple->validateTableHandle( nameAttr, i );
if ( validatedIndex < 0 )
{
continue;
}
const char *currentName = tuple->getTableString( nameAttr, validatedIndex );
const char *match = matchPath( currentName );
if ( match && *match == *emptyString )
{
// exact match
return true;
}
}
return false;
}
/// \todo: need to account for OBJ_CAMERA and OBJ_LIGHT
return false;
}
