public AssetBundleDownloadFromODROperation(string assetBundleName)
: base(assetBundleName)
{
// Work around Xcode crash when opening Resources tab when a
// resource name contains slash character
request = OnDemandResources.PreloadAsync(new string[] { assetBundleName.Replace('/', '>') });
}
protected override void FinishDownload()
{
error = request.error;
if (error != null)
{
return;
}
var path = "res://" + assetBundleName;
var bundle = AssetBundle.CreateFromFile(path);
if (bundle == null)
{
error = string.Format("Failed to load {0}", path);
request.Dispose();
}
else
{
assetBundle = new LoadedAssetBundle(bundle);
// At the time of unload request is already set to null, so capture it to local variable.
var localRequest = request;
// Dispose of request only when bundle is unloaded to keep the ODR pin alive.
assetBundle.unload += () =>
{
localRequest.Dispose();
};
}
request = null;
}
/// <summary>
/// Disposes of the adaptor.
/// </summary>
public void Dispose()
{
Debug.Log("OnDemandResourcesAdaptor.Dispose()");
#if UNITY_IOS || UNITY_TVOS
if (m_OnDemandResourcesRequest != null)
{
m_OnDemandResourcesRequest.Dispose();
m_OnDemandResourcesRequest = null;
}
#endif
if (m_Coroutine != null)
{
if (AssetBundleLoader.Instance)
{
AssetBundleLoader.Instance.StopCoroutine(m_Coroutine);
}
m_Coroutine = null;
}
m_AssetBundle = null;
m_AssetBundleName = null;
m_Error = null;
m_KeepWaiting = false;
}
private IEnumerator LoadAsset(string resourceName, Action <AssetBundle> onResourceLoadedCallback)
{
// Create the request
OnDemandResourcesRequest request = OnDemandResources.PreloadAsync(new string[] { "resource_tag" });
// Wait until request is completed
yield return(request);
// Check for errors
if (request.error != null)
{
throw new Exception("ODR request failed: " + request.error);
}
// Get path to the resource and use it. Note that at the moment the only API
// that can load ODR or sliced resources is AssetBundle.CreateFromFile()
string path = "res://" + resourceName;
AssetBundle bundle = AssetBundle.CreateFromFile(path);
onResourceLoadedCallback(bundle);
// Call Dispose() when resource is no longer needed. This will release a pin on ODR resource.
request.Dispose();
}
protected override void FinishDownload()
{
this.Error = this.request.error;
if (this.Error != null)
{
return;
}
var path = "res://" + this.AssetBundleName;
var bundle = UnityEngine.AssetBundle.LoadFromFile(path);
if (bundle == null)
{
this.Error = string.Format("Failed to load {0}", path);
this.request.Dispose();
}
else
{
this.AssetBundle = new LoadedAssetBundle(bundle);
// At the time of unload request is already set to null, so capture it to local variable.
var localRequest = this.request;
// Dispose of request only when bundle is unloaded to keep the ODR pin alive.
this.AssetBundle.Unload += () =>
{
localRequest.Dispose();
};
}
this.request = null;
}
public IEnumerator LoadAsset(string resourceName, string odrTag)
{
Debug.Log("TTPOnDemandsResources::IosImpl:LoadAsset:resourceName=" + resourceName);
// Create the request
OnDemandResourcesRequest request = OnDemandResources.PreloadAsync(new string[] { odrTag });
while (!request.isDone)
{
Debug.Log("TTPOnDemandsResources::IosImpl:LoadAsset:Request:" + resourceName + " - " + (request.progress * 100) + "%");
yield return(new WaitForFixedUpdate());
}
// Wait until request is completed
//yield return request;
// Check for errors
if (!string.IsNullOrEmpty(request.error))
{
Debug.LogError("TTPOnDemandsResources::IosImpl:LoadAsset: " + request.error);
if (Delegate != null)
{
Delegate.OnODRFailed("{\"bundleName\":\"" + resourceName + "\", \"errorCode\":" + request.error + "}");
}
yield break;
}
var path = request.GetResourcePath(resourceName);
Debug.Log("TTPOnDemandsResources::IosImpl:LoadAsset:path=" + path);
bool isBundleDownloaded = true;
AssetBundle bundle = AssetBundle.LoadFromFile("res://" + resourceName);
if (bundle == null)
{
Debug.LogError("TTPOnDemandsResources::IosImpl:LoadAsset: Bundle is null in res after request " + resourceName);
bundle = AssetBundle.LoadFromFile("odr://" + resourceName);
if (bundle == null)
{
Debug.LogError("TTPOnDemandsResources::IosImpl:LoadAsset: Bundle is null in odr after request " + resourceName);
isBundleDownloaded = false;
if (Delegate != null)
{
Delegate.OnODRFailed("{\"bundleName\":\"" + resourceName + "\", \"errorCode\":Bundle is null after request}");
}
}
}
if (isBundleDownloaded)
{
if (Delegate != null)
{
Delegate.OnODRInstalled("{\"bundleName\":\"" + resourceName + "\"}");
}
}
request.Dispose();
}
public override bool Update()
{
if (done)
{
return(false);
}
if (request == null || request.isDone)
{
if (request == null || string.IsNullOrEmpty(request.error))
{
FinishDownload();
done = true;
return(false);
}
request.Dispose();
request = OnDemandResources.PreloadAsync(new string[] { assetBundleName.Replace('/', '>') });
}
return(true);
}
/// <summary>
/// Loads the asset bundle.
/// </summary>
private IEnumerator OnDemandResourcesAdaptorImpl(string assetBundleName, System.Func <string, string> getAssetTagFunc)
{
if (string.IsNullOrEmpty(assetBundleName))
{
throw new System.ArgumentNullException("assetBundleName");
}
m_AssetBundle = null;
m_AssetBundleName = assetBundleName;
m_Error = null;
m_KeepWaiting = true;
#if UNITY_IOS || UNITY_TVOS
string assetTag;
if (getAssetTagFunc != null)
{
assetTag = getAssetTagFunc(assetBundleName);
}
else
{
assetTag = assetBundleName;
}
Debug.LogFormat("[OnDemandResourcesAdaptor] Requesting ODR Tag : {0}", assetTag);
m_OnDemandResourcesRequest = OnDemandResources.PreloadAsync(new string[] { assetTag });
while (!m_OnDemandResourcesRequest.isDone)
{
m_Progress = m_OnDemandResourcesRequest.progress;
if (!string.IsNullOrEmpty(m_Error))
{
m_AssetBundle = null;
m_KeepWaiting = false;
m_OnDemandResourcesRequest.Dispose();
m_OnDemandResourcesRequest = null;
m_Progress = -1;
yield break;
}
yield return(null);
}
if (!string.IsNullOrEmpty(m_OnDemandResourcesRequest.error))
{
m_AssetBundle = null;
m_Error = m_OnDemandResourcesRequest.error;
m_KeepWaiting = false;
m_OnDemandResourcesRequest.Dispose();
m_OnDemandResourcesRequest = null;
m_Progress = -1;
yield break;
}
// TODO:
// The documentation isn't very detailed, but it seems like GetResourcePath
// should return the path to the asset bundle. As far as I can tell, it
// always returns null. In Unity's demo project, they just prefix the asset
// bundle name with "res://" (and don't use GetResourcePath).
string assetBundlePath;
// assetBundlePath = m_OnDemandResourcesRequest.GetResourcePath(assetBundleName);
assetBundlePath = "res://" + assetBundleName;
if (string.IsNullOrEmpty(assetBundlePath))
{
m_AssetBundle = null;
m_Error = string.Format("Could not get resource path for asset bundle: {0}", assetBundleName);
m_KeepWaiting = false;
m_OnDemandResourcesRequest.Dispose();
m_OnDemandResourcesRequest = null;
m_Progress = -1;
yield break;
}
// Skip any loading from the adaptor.
if (m_DownloadOnly)
{
Debug.LogFormat("[OnDemandResourcesAdaptor] Bundle loading skipped : {0}", assetBundleName);
m_Error = null;
m_KeepWaiting = false;
m_Progress = 1;
yield break;
}
Debug.LogFormat("[OnDemandResourcesAdaptor] Load asset bundle : {0}", assetBundleName);
AssetBundleCreateRequest assetBundleCreateRequest;
assetBundleCreateRequest = AssetBundle.LoadFromFileAsync(assetBundlePath);
yield return(assetBundleCreateRequest);
if (assetBundleCreateRequest.assetBundle == null)
{
m_AssetBundle = null;
m_Error = string.Format("Could not load asset bundle: {0}", assetBundleName);
m_KeepWaiting = false;
m_OnDemandResourcesRequest.Dispose();
m_OnDemandResourcesRequest = null;
m_Progress = -1;
yield break;
}
m_AssetBundle = assetBundleCreateRequest.assetBundle;
m_Error = null;
m_KeepWaiting = false;
m_Progress = 1;
yield break;
#else
if (m_DownloadOnly)
{
// suppress unused variable warning on non-iOS platforms
}
m_Error = string.Format("OnDemandResources is not available on the current platform: {0}", Application.platform);
m_KeepWaiting = false;
m_Progress = -1;
yield break;
#endif
}
public AssetBundleDownloadFromODROperation(string assetBundleName)
: base(assetBundleName)
{
request = OnDemandResources.PreloadAsync(new string[] { assetBundleName });
}