bool
GusdPrimWrapper::updatePrimvarFromGTPrim(
const GT_AttributeListHandle& gtAttrs,
const GusdGT_AttrFilter& primvarFilter,
const TfToken& interpolation,
UsdTimeCode time )
{
UsdGeomImageable prim( getUsdPrimForWrite() );
const GT_AttributeMapHandle attrMapHandle = gtAttrs->getMap();
for(GT_AttributeMap::const_names_iterator mapIt=attrMapHandle->begin();
!mapIt.atEnd(); ++mapIt) {
if(!primvarFilter.matches(mapIt.name()))
continue;
const int attrIndex = attrMapHandle->get(mapIt.name());
const GT_Owner owner = attrMapHandle->getOriginalOwner(attrIndex);
GT_DataArrayHandle attrData = gtAttrs->get(attrIndex);
TfToken name( mapIt.name() );
updatePrimvarFromGTPrim(
TfToken( name ),
owner,
interpolation,
time,
attrData );
}
return true;
}
bool
GusdPrimWrapper::updatePrimvarFromGTPrim(
const GT_AttributeListHandle& gtAttrs,
const GusdGT_AttrFilter& primvarFilter,
const TfToken& interpolation,
UsdTimeCode time )
{
UsdGeomImageable prim( getUsdPrim() );
const GT_AttributeMapHandle attrMapHandle = gtAttrs->getMap();
for(GT_AttributeMap::const_names_iterator mapIt=attrMapHandle->begin();
!mapIt.atEnd(); ++mapIt) {
#if SYS_VERSION_FULL_INT < 0x11000000
string attrname = mapIt.name();
#else
string attrname = mapIt->first.toStdString();
#endif
if(!primvarFilter.matches(attrname))
continue;
const int attrIndex = attrMapHandle->get(attrname);
const GT_Owner owner = attrMapHandle->getOriginalOwner(attrIndex);
GT_DataArrayHandle attrData = gtAttrs->get(attrIndex);
#if SYS_VERSION_FULL_INT >= 0x11050000
// Decode Houdini geometry attribute names to get back the original
// USD primvar name. This allows round tripping of namespaced
// primvars from USD -> Houdini -> USD.
UT_StringHolder name = UT_VarEncode::decode(attrname);
#else
UT_StringHolder name = attrname;
#endif
updatePrimvarFromGTPrim(
TfToken( name.toStdString() ),
owner,
interpolation,
time,
attrData );
}
return true;
}
