SdfRelationshipSpecHandle
UsdRelationship::_CreateSpec(bool fallbackCustom) const
{
UsdStage *stage = _GetStage();
// Try to create a spec for editing either from the definition or from
// copying existing spec info.
TfErrorMark m;
if (SdfRelationshipSpecHandle relSpec =
stage->_CreateRelationshipSpecForEditing(*this)) {
return relSpec;
}
// If creating the spec on the stage failed without issuing an error, that
// means there was no existing authored scene description to go on (i.e. no
// builtin info from prim type, and no existing authored spec). Stamp a
// spec with the provided default values.
if (m.IsClean()) {
SdfChangeBlock block;
return SdfRelationshipSpec::New(
stage->_CreatePrimSpecForEditing(GetPrimPath()),
_PropName().GetString(),
/* custom = */ fallbackCustom, SdfVariabilityUniform);
}
return TfNullPtr;
}
bool
UsdProperty::IsAuthoredAt(const UsdEditTarget &editTarget) const
{
if (editTarget.IsValid()) {
SdfPath mappedPath = editTarget.MapToSpecPath(GetPrimPath());
return !mappedPath.IsEmpty() &&
editTarget.GetLayer()->HasSpec(
SdfAbstractDataSpecId(&mappedPath, &_PropName()));
}
return false;
}
bool
UsdPrim::_PrimPathIsInMaster() const
{
return Usd_InstanceCache::IsPathInMaster(GetPrimPath());
}
