void
UsdGeomPrimvar::BlockIndices() const
{
// Check if the typeName is array valued here and issue a warning
// if it's not.
SdfValueTypeName typeName = GetTypeName();
if (!typeName.IsArray()) {
TF_CODING_ERROR("Setting indices on non-array valued primvar of type "
"'%s'.", typeName.GetAsToken().GetText());
return;
}
_GetIndicesAttr(/*create*/ true).Block();
}
bool
UsdGeomPrimvar::SetIndices(const VtIntArray &indices,
UsdTimeCode time) const
{
// Check if the typeName is array valued here and issue a warning
// if it's not.
SdfValueTypeName typeName = GetTypeName();
if (!typeName.IsArray()) {
TF_CODING_ERROR("Setting indices on non-array valued primvar of type "
"'%s'.", typeName.GetAsToken().GetText());
return false;
}
return _GetIndicesAttr(/*create*/ true).Set(indices, time);
}
/* static */
UsdGeomXformOp::Precision
UsdGeomXformOp::GetPrecisionFromValueTypeName(const SdfValueTypeName &typeName)
{
if (typeName == SdfValueTypeNames->Matrix4d)
return PrecisionDouble;
else if (typeName == SdfValueTypeNames->Double3)
return PrecisionDouble;
else if (typeName == SdfValueTypeNames->Float3)
return PrecisionFloat;
else if (typeName == SdfValueTypeNames->Half3)
return PrecisionHalf;
else if (typeName == SdfValueTypeNames->Double)
return PrecisionDouble;
else if (typeName == SdfValueTypeNames->Float)
return PrecisionFloat;
else if (typeName == SdfValueTypeNames->Half)
return PrecisionHalf;
else if (typeName == SdfValueTypeNames->Quatd)
return PrecisionDouble;
else if (typeName == SdfValueTypeNames->Quatf)
return PrecisionFloat;
else if (typeName == SdfValueTypeNames->Quath)
return PrecisionHalf;
TF_CODING_ERROR("Invalid typeName '%s' specified.", typeName.GetAsToken().GetText());
// Return default precision, which is double.
return PrecisionDouble;
}
SdfAttributeSpecHandle
SdfAttributeSpec::_New(
const SdfSpecHandle &owner,
const SdfPath& attrPath,
const SdfValueTypeName& typeName,
SdfVariability variability,
bool custom)
{
if (not owner) {
TF_CODING_ERROR("NULL owner");
return TfNullPtr;
}
if (not typeName) {
TF_CODING_ERROR("Cannot create attribute spec <%s> with invalid type",
attrPath.GetText());
return TfNullPtr;
}
SdfChangeBlock block;
// AttributeSpecs are considered initially to have only required fields
// only if they are not custom.
bool hasOnlyRequiredFields = (not custom);
if (not Sdf_ChildrenUtils<Sdf_AttributeChildPolicy>::CreateSpec(
owner->GetLayer(), attrPath, SdfSpecTypeAttribute,
hasOnlyRequiredFields)) {
return TfNullPtr;
}
SdfAttributeSpecHandle spec =
owner->GetLayer()->GetAttributeAtPath(attrPath);
// Avoid expensive dormancy checks in the case of binary-backed data.
SdfAttributeSpec *specPtr = get_pointer(spec);
if (TF_VERIFY(specPtr)) {
specPtr->SetField(SdfFieldKeys->Custom, custom);
specPtr->SetField(SdfFieldKeys->TypeName, typeName.GetAsToken());
specPtr->SetField(SdfFieldKeys->Variability, variability);
}
return spec;
}
void add(const SdfValueTypeName& scalar, const char* alias = NULL)
{
static const bool isShaped = true;
const SdfValueTypeName array = scalar.GetArrayType();
const std::string scalarName =
alias ? std::string(alias) : scalar.GetAsToken().GetString();
const std::string arrayName =
alias ? std::string(alias) + "[]" : array.GetAsToken().GetString();
_ValueFactoryMap &f = *_factories;
f[scalarName] =
ValueFactory(scalarName, scalar.GetDimensions(), !isShaped,
boost::bind(MakeScalarValueTemplate<CppType>,
_1, _2, _3, _4));
f[arrayName] =
ValueFactory(arrayName, array.GetDimensions(), isShaped,
boost::bind(MakeShapedValueTemplate<CppType>,
_1, _2, _3, _4));
}
SdfAttributeSpecHandle
SdfAttributeSpec::_New(
const SdfRelationshipSpecHandle& owner,
const SdfPath& path,
const std::string& name,
const SdfValueTypeName& typeName,
SdfVariability variability,
bool custom)
{
if (not owner) {
TF_CODING_ERROR("NULL owner");
return TfNullPtr;
}
if (not typeName) {
TF_CODING_ERROR("Cannot create attribute spec <%s> with invalid type",
owner->GetPath().AppendTarget(path).
AppendProperty(TfToken(name)).GetText());
return TfNullPtr;
}
SdfChangeBlock block;
// Determine the path of the relationship target
SdfPath absPath = path.MakeAbsolutePath(owner->GetPath().GetPrimPath());
SdfPath targetPath = owner->GetPath().AppendTarget(absPath);
// Check to make sure that the name is valid
if (not Sdf_ChildrenUtils<Sdf_AttributeChildPolicy>::IsValidName(name)) {
TF_CODING_ERROR(
"Cannot create attribute on %s with invalid name: %s",
targetPath.GetText(), name.c_str());
return TfNullPtr;
}
// Create the relationship target if it doesn't already exist. Note
// that this does not automatically get added to the relationship's
// target path list.
SdfSpecHandle targetSpec = owner->_FindOrCreateTargetSpec(path);
// AttributeSpecs are considered initially to have only required fields
// only if they are not custom.
bool hasOnlyRequiredFields = (not custom);
// Create the relational attribute spec
SdfPath attrPath = targetPath.AppendRelationalAttribute(TfToken(name));
if (not Sdf_ChildrenUtils<Sdf_AttributeChildPolicy>::CreateSpec(
owner->GetLayer(), attrPath, SdfSpecTypeAttribute,
hasOnlyRequiredFields)) {
return TfNullPtr;
}
SdfAttributeSpecHandle spec =
owner->GetLayer()->GetAttributeAtPath(attrPath);
// Avoid expensive dormancy checks in the case of binary-backed data.
SdfAttributeSpec *specPtr = get_pointer(spec);
if (TF_VERIFY(specPtr)) {
specPtr->SetField(SdfFieldKeys->Custom, custom);
specPtr->SetField(SdfFieldKeys->TypeName, typeName.GetAsToken());
specPtr->SetField(SdfFieldKeys->Variability, variability);
}
return spec;
}