public override void Initialize()
{
var path = Helper.GetDataPath(name.ToLower());
if (Bundles.IsInternal(name))
{
path = "file:///" + Helper.GetInternalPath(name);
}
_request = UnityWebRequestAssetBundle.GetAssetBundle(path, Bundles.GetHash128(name), 0);
_request.SendWebRequest();
if (_request == null)
{
error = name + " LoadFromFileAsync falied.";
}
var items = Bundles.GetBundleDependencies(name.ToLower());
if (items != null && items.Length > 0)
{
for (int i = 0, I = items.Length; i < I; i++)
{
var item = items[i];
if (Bundles.IsCyclicDependsLoaded(item))
{
Debug.LogWarning("Cyclic dependence " + name);
}
else
{
dependencies.Add(Bundles.LoadAsync(item));
}
}
}
}
public override IObservable <UnityWebRequest> Download(IProgress <float> progress = null)
{
return(Observable.Defer(() =>
{
var request = Hash.isValid
? UnityWebRequestAssetBundle.GetAssetBundle(Url, Hash, 0)
: UnityWebRequestAssetBundle.GetAssetBundle(Url);
return request.SendAsObservable(progress).Do(OnDownloaded);
}));
}
IObservable <AssetBundle> GetAssetBundleCore(string actualName)
{
ThrowIfManifestNotLoaded();
string url = RootUrl + actualName;
var hash = Manifest.GetAssetBundleHash(actualName);
var request = hash.isValid
? UnityWebRequestAssetBundle.GetAssetBundle(url, hash, 0)
: UnityWebRequestAssetBundle.GetAssetBundle(url);
return(request.SendAsObservable().LoadAssetBundle());
}
public virtual void Initialize()
{
var path = Helper.GetDataPath(name.ToLower());
//使用了Caching的资源 AssetBundle.LoadFromFile 找不到路径，这里直接阻塞等待加载完成，
//按照官方文档上说的，对已经Cache的资源UnityWebRequest.GetAssetBundle 和 AssetBundle.LoadFromFile 功能一样，都会立刻返回
var _request = UnityWebRequestAssetBundle.GetAssetBundle(path, Bundles.GetHash128(name), 0);
_request.SendWebRequest();
while (!_request.isDone)
{
Thread.Yield();
}
_assetBundle = DownloadHandlerAssetBundle.GetContent(_request);
_request.Dispose();
if (_assetBundle == null)
{
error = name + " LoadFromFile failed.";
}
var items = Bundles.GetBundleDependencies(name.ToLower());
if (items != null && items.Length > 0)
{
for (int i = 0, I = items.Length; i < I; i++)
{
var item = items [i];
if (Bundles.IsCyclicDependsLoaded(item))
{
#if UNITY_EDITOR
Debug.LogWarning("Cyclic dependence " + name);
#endif
}
else
{
dependencies.Add(Bundles.Load(item));
}
}
}
}
static IEnumerator Obtain(string sourceFile, string bundleName, Hash128 bundleHash, Action <string, float, bool> handle)
{
//List<Hash128> listOfCachedVersions = new List<Hash128>();
//Caching.GetCachedVersions(bundleName, listOfCachedVersions);
//foreach(var s in listOfCachedVersions){
// Debug.Log(sourceFile+" -> "+s);
//}
var request = UnityWebRequestAssetBundle.GetAssetBundle(sourceFile, bundleHash, 0);
request.SendWebRequest();
while (!request.isDone)
{
handle?.Invoke(bundleName, request.downloadProgress, false);
yield return(new WaitForEndOfFrame());
}
if (bundleName.Contains(Helper.LogoLoadingPrefabName))
{
File.WriteAllBytes(Application.persistentDataPath + "/" + Helper.LogoLoadingPrefabName, request.downloadHandler.data);
}
//yield return request.Send();
request.Dispose();
request = null;
handle?.Invoke(bundleName, 1.0f, true);
}
static IObservable <ReqVerPair> SendManifestRequest(string url) => AssetLoader.WhenCacheReady(() =>
{
int version = PlayerPrefs.GetInt(ManifestVersionKey, 1);
var hash = VersionToHash(version);
if (!Caching.IsVersionCached(url, hash))
{
return(UnityWebRequestAssetBundle.GetAssetBundle(url, hash, 0)
.SendAsObservable().Select(req => CreateReqVerPair(req, version, true)));
}
return(UnityWebRequest.Head(url).SendAsObservable()
.Catch((Exception __) => Observable.Return <UnityWebRequest>(null))
.ContinueWith(head =>
{
if (head != null && head.GetETag() == PlayerPrefs.GetString(ManifestETagKey))
{
return UnityWebRequestAssetBundle.GetAssetBundle(url, hash, 0)
.SendAsObservable().Select(req => CreateReqVerPair(req, version));
}
version = unchecked (version + 1);
hash = VersionToHash(version);
return UnityWebRequestAssetBundle.GetAssetBundle(url, hash, 0)
.SendAsObservable().Select(req => CreateReqVerPair(req, version, true));
}));
});
public static UnityWebRequest GetAssetBundle(string uri)
{
return(UnityWebRequest.GetAssetBundle(uri, 0u));
}