public static AssetBundleArchive LoadAssetBundle(this ArchiveContainer container, string path, IStreamDecryptor decryptor)
{
using (var fileStream = new FileStream(path, FileMode.Open, FileAccess.Read))
{
using (var stream = decryptor.Decrypt(fileStream))
{
AssetBundleArchive bundle = AssetBundleArchive.Load(stream);
bundle.Path = path;
container.AddBundleArchive(bundle);
return(bundle);
}
}
}
protected virtual IEnumerator DoLoadAssetBundleFromStream(IProgressPromise <float, AssetBundle> promise)
{
if (!this.decryptor.AlgorithmName.Equals(this.BundleInfo.Encoding))
{
promise.UpdateProgress(0f);
promise.SetException(new Exception(string.Format("The encryption algorithm '{0}' and decryption algorithm '{1}' does not match when decrypts Assetbundle {2}. ", this.BundleInfo.Encoding, this.decryptor.AlgorithmName, this.BundleInfo.Name)));
yield break;
}
string path = this.GetAbsoluteUri();
long totalSize = this.BundleInfo.FileSize;
float weight = WEIGHT;
if (this.IsRemoteUri())
{
string fullname = BundleUtil.GetStorableDirectory() + this.BundleInfo.Filename;
using (UnityWebRequest www = new UnityWebRequest(path))
{
www.downloadHandler = new DownloadFileHandler(fullname);
www.SendWebRequest();
while (!www.isDone)
{
if (www.downloadedBytes >= 0 && totalSize > 0)
{
promise.UpdateProgress(weight * (float)www.downloadedBytes / totalSize);
}
yield return(null);
}
if (!string.IsNullOrEmpty(www.error))
{
promise.SetException(new Exception(string.Format("Failed to load the AssetBundle '{0}' at the address '{1}'.Error:{2}", this.BundleInfo.Name, path, www.error)));
yield break;
}
path = fullname;
}
}
else
{
weight = 0f;
path = this.GetAbsolutePath();
}
AssetBundleCreateRequest request = null;
Stream stream = null;
try
{
stream = FileUtil.OpenRead(path);
request = AssetBundle.LoadFromStreamAsync(decryptor.Decrypt(stream));
}
catch (Exception e)
{
if (stream != null)
{
stream.Close();
}
promise.SetException(new Exception(string.Format("Failed to decrypt the AssetBundle '{0}' at the address '{1}'.Error:{2}", this.BundleInfo.Name, path, e)));
yield break;
}
while (!request.isDone)
{
promise.UpdateProgress(weight + (1 - weight) * request.progress);
yield return(null);
}
var assetBundle = request.assetBundle;
if (assetBundle == null)
{
promise.SetException(new Exception(string.Format("Failed to load the AssetBundle '{0}' at the address '{1}'.", this.BundleInfo.Name, path)));
yield break;
}
promise.UpdateProgress(1f);
promise.SetResult(assetBundle);
}
