public static void ApiTest()
{
UsdStage s = UsdStage.CreateInMemory();
var prim = s.DefinePrim(new SdfPath("/Foo"));
s.SetStartTimeCode(1.0);
s.SetEndTimeCode(10.0);
AssertEqual(1.0, s.GetStartTimeCode());
AssertEqual(10.0, s.GetEndTimeCode());
var defultPrimToken = new TfToken("defaultPrim");
var value = new VtValue();
// Verify initial default prim / built-in metadata states.
{
AssertFalse(s.HasDefaultPrim());
AssertFalse(s.GetDefaultPrim().IsValid());
// defaultPrim is always valid metadata, it's built-in.
AssertTrue(s.HasMetadata(defultPrimToken));
// But it should not yet have an *authored* value.
AssertFalse(s.HasAuthoredMetadata(defultPrimToken));
// Even though it's not authored, reading it should succeed.
AssertTrue(s.GetMetadata(defultPrimToken, value));
AssertEqual(((TfToken)value).ToString(), "");
}
// Set the default prim, which should set the defaultPrim metadata.
s.SetDefaultPrim(prim);
{
// Verify via the Stage API
AssertTrue(s.HasDefaultPrim());
AssertTrue(s.GetDefaultPrim().IsValid());
AssertEqual(s.GetDefaultPrim().GetPath(), new SdfPath("/Foo"));
// Verify via the metadata API
AssertTrue(s.HasMetadata(defultPrimToken));
AssertTrue(s.HasAuthoredMetadata(defultPrimToken));
AssertTrue(s.GetMetadata(defultPrimToken, value));
AssertEqual(((TfToken)value).ToString(), "Foo");
}
string str = s.GetRootLayer().ExportToString();
s.ClearDefaultPrim();
{
AssertFalse(s.HasDefaultPrim());
AssertFalse(s.GetDefaultPrim().IsValid());
AssertFalse(s.HasAuthoredMetadata(defultPrimToken));
AssertTrue(s.GetMetadata(defultPrimToken, value));
AssertEqual(((TfToken)value).ToString(), "");
}
var classPrim = s.CreateClassPrim(new SdfPath("/Foo_class_"));
{
AssertTrue(classPrim.IsValid());
AssertEqual(classPrim.GetPath(), new SdfPath("/Foo_class_"));
}
AssertEqual(s.GetFramesPerSecond(), 24.0);
s.SetFramesPerSecond(90.0);
AssertEqual(s.GetFramesPerSecond(), 90.0);
}