/// <summary>
/// ImporterContextが所有する UnityEngine.Object を破棄する
/// </summary>
public virtual void Dispose()
{
foreach (var x in Meshes)
{
UnityObjectDestoyer.DestroyRuntimeOrEditor(x.Mesh);
}
Meshes.Clear();
AnimationClipFactory?.Dispose();
MaterialFactory?.Dispose();
TextureFactory?.Dispose();
}
async void LoadModel(string path)
{
if (!File.Exists(path))
{
return;
}
_cancellationTokenSource?.Dispose();
_cancellationTokenSource = new CancellationTokenSource();
var cancellationToken = _cancellationTokenSource.Token;
try
{
Debug.LogFormat("{0}", path);
var vrm10Instance = await Vrm10.LoadPathAsync(path,
canLoadVrm0X : true,
normalizeTransform : m_useNormalization.isOn,
showMeshes : false,
awaitCaller : m_useAsync.enabled?(IAwaitCaller) new RuntimeOnlyAwaitCaller() : (IAwaitCaller) new ImmediateCaller(),
materialGenerator : GetVrmMaterialDescriptorGenerator(m_useUrpMaterial.isOn),
vrmMetaInformationCallback : m_texts.UpdateMeta,
ct : cancellationToken);
if (vrm10Instance != null)
{
// test. error にならなければよい
vrm10Instance.Runtime.Expression.SetWeight(ExpressionKey.Aa, 0);
if (cancellationToken.IsCancellationRequested)
{
UnityObjectDestoyer.DestroyRuntimeOrEditor(vrm10Instance.gameObject);
cancellationToken.ThrowIfCancellationRequested();
}
SetModel(vrm10Instance.GetComponent <RuntimeGltfInstance>());
}
else
{
// NOTE: load as glTF model if failed to load as VRM 1.0.
// TODO: Hand over CancellationToken
var gltfModel = await GltfUtility.LoadAsync(path,
awaitCaller : m_useAsync.enabled?(IAwaitCaller) new RuntimeOnlyAwaitCaller() : (IAwaitCaller) new ImmediateCaller());
if (gltfModel == null)
{
throw new Exception("Failed to load the file as glTF format.");
}
if (cancellationToken.IsCancellationRequested)
{
gltfModel.Dispose();
cancellationToken.ThrowIfCancellationRequested();
}
SetModel(gltfModel);
}
}
catch (Exception ex)
{
if (ex is OperationCanceledException)
{
Debug.LogWarning($"Canceled to Load: {path}");
}
else
{
Debug.LogError($"Failed to Load: {path}");
Debug.LogException(ex);
}
}
}
private static async Task <Vrm10Instance> LoadAsync(
string name,
byte[] bytes,
bool canLoadVrm0X,
bool normalizeTransform,
bool showMeshes,
IAwaitCaller awaitCaller,
IMaterialDescriptorGenerator materialGenerator,
VrmMetaInformationCallback vrmMetaInformationCallback,
CancellationToken ct)
{
ct.ThrowIfCancellationRequested();
if (awaitCaller == null)
{
throw new ArgumentNullException();
}
using (var gltfData = new GlbLowLevelParser(name, bytes).Parse())
{
// 1. Try loading as vrm-1.0
var instance = await TryLoadingAsVrm10Async(
gltfData,
normalizeTransform,
showMeshes,
awaitCaller,
materialGenerator,
vrmMetaInformationCallback,
ct);
if (instance != null)
{
if (ct.IsCancellationRequested)
{
UnityObjectDestoyer.DestroyRuntimeOrEditor(instance.gameObject);
ct.ThrowIfCancellationRequested();
}
return(instance);
}
// 2. Stop loading if not allowed migration.
if (!canLoadVrm0X)
{
throw new Exception($"Failed to load as VRM 1.0: {name}");
}
// 3. Try migration from vrm-0.x into vrm-1.0
var migratedInstance = await TryMigratingFromVrm0XAsync(
gltfData,
normalizeTransform,
showMeshes,
awaitCaller,
materialGenerator,
vrmMetaInformationCallback,
ct);
if (migratedInstance != null)
{
if (ct.IsCancellationRequested)
{
UnityObjectDestoyer.DestroyRuntimeOrEditor(migratedInstance.gameObject);
ct.ThrowIfCancellationRequested();
}
return(migratedInstance);
}
// 4. Failed loading.
throw new Exception($"Failed to load: {name}");
}
}