/// <summary>
/// Ensure each layer path is expressed in the USD sub layer stack of the given scene,
/// creating the sublayer USD files if needed.
/// </summary>
public void SaveLayerStack(Scene scene, string[] layerStack)
{
if (scene == null)
{
throw new NullReferenceException("Null scene provided to SaveLayerStack");
}
SdfSubLayerProxy subLayers = scene.Stage.GetRootLayer().GetSubLayerPaths();
for (int i = 0; i < m_layerStack.Length; i++)
{
string absoluteLayerPath = m_layerStack[i];
string relativeLayerPath = ImporterBase.MakeRelativePath(scene.FilePath, absoluteLayerPath);
if (!System.IO.File.Exists(absoluteLayerPath))
{
var newSubLayer = Scene.Create(absoluteLayerPath);
SetupNewSubLayer(scene, newSubLayer);
newSubLayer.Save();
newSubLayer.Close();
}
if (subLayers.Count(relativeLayerPath) == 0)
{
subLayers.push_back(relativeLayerPath);
}
}
scene.Save();
}
public string CreateTmpUsdFile(string fileName)
{
var filePath = System.IO.Path.Combine(UnityEngine.Application.dataPath, fileName);
var scene = Scene.Create(filePath);
scene.Save();
scene.Close();
m_filesToDelete.Add(filePath);
return(filePath);
}
/// <summary>
/// Writes overrides to the currently targeted subLayer.
/// </summary>
public void SaveToLayer()
{
var stageRoot = GetComponent <UsdAsset>();
Scene subLayerScene = Scene.Create(m_targetLayer);
if (subLayerScene == null)
{
throw new NullReferenceException("Could not create layer: " + m_targetLayer);
}
Scene rootScene = Scene.Open(stageRoot.usdFullPath);
if (rootScene == null)
{
throw new NullReferenceException("Could not open base layer: " + stageRoot.usdFullPath);
}
SetupNewSubLayer(rootScene, subLayerScene);
rootScene.Close();
rootScene = null;
try
{
SceneExporter.Export(stageRoot.gameObject,
subLayerScene,
stageRoot.m_changeHandedness,
exportUnvarying: false,
zeroRootTransform: false);
}
catch (Exception ex)
{
Debug.LogException(ex);
return;
}
finally
{
if (subLayerScene != null)
{
subLayerScene.Save();
subLayerScene.Close();
subLayerScene = null;
}
}
}