public override void Reset()
{
state = State.NextReq;
cachedBundle = null;
pendingData = null;
webReq = null;
bundleReq = null;
ao = null;
}
public static void Unload(string name, uint version, bool unloadAllLoadedObjects = false)
{
lock (caches)
{
string key = name + version;
TaskAssetBundleCache cache = null;
if (caches.TryGetValue(key, out cache))
{
cache.bundle.Unload(unloadAllLoadedObjects);
}
}
}
public static TaskAssetBundleCache Cache(string name, AssetBundle bundle, uint version)
{
TaskAssetBundleCache newCache = null;
lock (caches)
{
newCache = new TaskAssetBundleCache()
{
name = name,
bundle = bundle,
version = version
};
caches.Add(name + version, newCache);
}
return(newCache);
}
public override TaskStatus Update()
{
switch (state)
{
case State.NextReq:
if (queue.Count > 0)
{
pendingData = queue.Dequeue();
cachedBundle = TaskAssetBundleCache.GetCachedBundle(pendingData.bundleName, pendingData.version);
if (cachedBundle == null)
{
webReq = UnityWebRequest.GetAssetBundle(pendingData.url, pendingData.version, pendingData.crc);
ao = webReq.Send();
state = State.LoadBundle;
}
else
{
state = State.LoadAsset;
}
}
else
{
return(TaskStatus.Done);
}
break;
case State.LoadBundle:
// If loaded asset bundle
if (ao.isDone)
{
if (webReq.isHttpError || webReq.isNetworkError)
{
var data = pendingData;
progress += 1f;
Reset();
data.error = webReq.error;
if (data.onFail != null)
{
data.onFail(data);
}
if (data.abortIfFailed)
{
return(TaskStatus.Abort);
}
}
else
{
DownloadHandlerAssetBundle download = webReq.downloadHandler as DownloadHandlerAssetBundle;
cachedBundle = TaskAssetBundleCache.Cache(pendingData.bundleName, download.assetBundle, pendingData.version);
state = State.LoadAsset;
}
}
break;
case State.LoadAsset:
if (bundleReq == null)
{
bundleReq = cachedBundle.bundle.LoadAssetAsync(pendingData.assetName, pendingData.assetType);
}
if (bundleReq.isDone)
{
var data = pendingData;
progress += 1f;
Reset();
data.loadedAsset = bundleReq.asset;
if (data.onSuccess != null)
{
data.onSuccess(data);
}
}
break;
}
return(TaskStatus.Pending);
}
