/// <summary>
/// Attempts to load the glTF controller model from the Windows SDK.
/// </summary>
/// <returns>The controller model as a GameObject or null if it was unobtainable.</returns>
public async Task <GameObject> TryGenerateControllerModelFromPlatformSDK()
{
if (spatialInteractionSource == null)
{
return(null);
}
// See if we've generated this model before and if we can return it
if (ControllerModelDictionary.TryGetValue(GenerateKey(spatialInteractionSource), out GameObject controllerModel))
{
controllerModel.SetActive(true);
return(controllerModel);
}
Debug.Log("Trying to load controller model from platform SDK");
byte[] fileBytes = null;
var controllerModelStream = await spatialInteractionSource.Controller.TryGetRenderableModelAsync();
if (controllerModelStream == null ||
controllerModelStream.Size == 0)
{
Debug.LogError("Failed to obtain controller model from driver");
}
else
{
fileBytes = new byte[controllerModelStream.Size];
using (DataReader reader = new DataReader(controllerModelStream))
{
await reader.LoadAsync((uint)controllerModelStream.Size);
reader.ReadBytes(fileBytes);
}
}
GameObject gltfGameObject = null;
if (fileBytes != null)
{
Utilities.Gltf.Schema.GltfObject gltfObject = GltfUtility.GetGltfObjectFromGlb(fileBytes);
gltfGameObject = await gltfObject.ConstructAsync();
if (gltfGameObject != null)
{
ControllerModelDictionary.Add(GenerateKey(spatialInteractionSource), gltfGameObject);
}
}
return(gltfGameObject);
}
// Disables "This async method lacks 'await' operators and will run synchronously." when the correct OpenXR package isn't installed
#pragma warning disable CS1998
/// <summary>
/// Attempts to load the glTF controller model from OpenXR.
/// </summary>
/// <returns>The controller model as a GameObject or null if it was unobtainable.</returns>
public async Task <GameObject> TryGenerateControllerModelFromPlatformSDK()
{
GameObject gltfGameObject = null;
#if MSFT_OPENXR && (UNITY_STANDALONE_WIN || UNITY_WSA || UNITY_ANDROID)
if (!controllerModelProvider.TryGetControllerModelKey(out ulong modelKey))
{
Debug.LogError("Failed to obtain controller model key from platform.");
return(null);
}
if (ControllerModelDictionary.TryGetValue(modelKey, out gltfGameObject))
{
gltfGameObject.SetActive(true);
return(gltfGameObject);
}
byte[] modelStream = await controllerModelProvider.TryGetControllerModel(modelKey);
if (modelStream == null || modelStream.Length == 0)
{
Debug.LogError("Failed to obtain controller model from platform.");
return(null);
}
Utilities.Gltf.Schema.GltfObject gltfObject = GltfUtility.GetGltfObjectFromGlb(modelStream);
gltfGameObject = await gltfObject.ConstructAsync();
if (gltfGameObject != null)
{
// After all the awaits, double check that another task didn't finish earlier
if (ControllerModelDictionary.TryGetValue(modelKey, out GameObject existingGameObject))
{
Object.Destroy(gltfGameObject);
return(existingGameObject);
}
else
{
ControllerModelDictionary.Add(modelKey, gltfGameObject);
}
}
#endif // MSFT_OPENXR && (UNITY_STANDALONE_WIN || UNITY_WSA || UNITY_ANDROID)
return(gltfGameObject);
}
// Disables "This async method lacks 'await' operators and will run synchronously." for non-UWP
#pragma warning disable CS1998
/// <summary>
/// Attempts to load the glTF controller model from the Windows SDK.
/// </summary>
/// <returns>The controller model as a GameObject or null if it was unobtainable.</returns>
public async Task <GameObject> TryGenerateControllerModelFromPlatformSDK()
{
GameObject gltfGameObject = null;
#if WINDOWS_UWP
if (spatialInteractionSource == null)
{
return(null);
}
string key = GenerateKey(spatialInteractionSource);
// See if we've generated this model before and if we can return it
if (ControllerModelDictionary.TryGetValue(key, out gltfGameObject))
{
gltfGameObject.SetActive(true);
return(gltfGameObject);
}
Debug.Log("Trying to load controller model from platform SDK");
byte[] fileBytes = null;
var controllerModelStream = await spatialInteractionSource.Controller.TryGetRenderableModelAsync();
if (controllerModelStream == null ||
controllerModelStream.Size == 0)
{
Debug.LogError("Failed to obtain controller model from driver");
}
else
{
fileBytes = new byte[controllerModelStream.Size];
using (DataReader reader = new DataReader(controllerModelStream))
{
await reader.LoadAsync((uint)controllerModelStream.Size);
reader.ReadBytes(fileBytes);
}
}
if (fileBytes != null)
{
Utilities.Gltf.Schema.GltfObject gltfObject = GltfUtility.GetGltfObjectFromGlb(fileBytes);
gltfGameObject = await gltfObject.ConstructAsync();
if (gltfGameObject != null)
{
// After all the awaits, double check that another task didn't finish earlier
if (ControllerModelDictionary.TryGetValue(key, out GameObject existingGameObject))
{
UnityEngine.Object.Destroy(gltfGameObject);
return(existingGameObject);
}
else
{
ControllerModelDictionary.Add(key, gltfGameObject);
}
}
}
#endif // WINDOWS_UWP
return(gltfGameObject);
}
