public AssetBundle GetAssetBundle()
{
if (assetBundle == null && downloadHandler != null)
{
assetBundle = downloadHandler.assetBundle;
downloadHandler.Dispose();
downloadHandler = null;
}
return(assetBundle);
}
/// <summary>
/// Get the asset bundle object managed by this resource. This call may force the bundle to load if not already loaded.
/// </summary>
/// <returns>The asset bundle.</returns>
public AssetBundle GetAssetBundle()
{
if (m_AssetBundle == null && m_downloadHandler != null)
{
m_AssetBundle = m_downloadHandler.assetBundle;
m_downloadHandler.Dispose();
m_downloadHandler = null;
}
return(m_AssetBundle);
}
private void WebRequestOperationCompleted(AsyncOperation op)
{
UnityWebRequestAsyncOperation remoteReq = op as UnityWebRequestAsyncOperation;
var webReq = remoteReq.webRequest;
if (string.IsNullOrEmpty(webReq.error))
{
downloadHandler = webReq.downloadHandler as DownloadHandlerAssetBundle;
provideHandle.Complete(this, true, null);
}
else
{
downloadHandler = webReq.downloadHandler as DownloadHandlerAssetBundle;
downloadHandler.Dispose();
downloadHandler = null;
if (retries++ < options.RetryCount)
{
UDebug.LogFormat("Web request {0} failed with error '{1}', retrying ({2}/{3})...", webReq.url, webReq.error, retries, options.RetryCount);
BeginOperation();
}
else
{
var exception = new Exception(string.Format("RemoteAssetBundleProvider unable to load from url {0}, result='{1}'.", webReq.url, webReq.error));
CompletedEvent?.Invoke(null, false, exception);
}
}
webReq.Dispose();
}
protected IEnumerator LoadBundle(string name, Action <string, AssetBundle> callback, uint crc = 0)
{
var path = PathTool.DataPath + name;
path = path.ToLower();
using (var request = UnityWebRequestAssetBundle.GetAssetBundle(path))
{
var handler = new DownloadHandlerAssetBundle(request.url, crc); //1
request.downloadHandler = handler; //1
yield return(request.SendWebRequest());
if (request.isNetworkError)
{
MessageBox.Error("加载AssetBundle失败：" + path);
callback(path, null);
}
else
{
callback(path, handler.assetBundle); //1
//callback(path, (request.downloadHandler as DownloadHandlerAssetBundle).assetBundle); //2
//callback(path, AssetBundle.LoadFromMemory(request.downloadHandler.data)); //3
}
handler.Dispose();
request.Abort();
request.Dispose();
}
}
private IEnumerator LoadCoroutine <T>(ResourceInfoBase info, HTFAction <float> loadingAction, HTFAction <T> loadDoneAction, bool isPrefab = false, Transform parent = null, bool isUI = false) where T : UnityEngine.Object
{
if (_isLoading)
{
yield return(_loadWait);
}
_isLoading = true;
UnityEngine.Object asset = null;
if (Mode == ResourceMode.Resource)
{
ResourceRequest request = Resources.LoadAsync <T>(info.ResourcePath);
while (!request.isDone)
{
loadingAction?.Invoke(request.progress);
yield return(null);
}
asset = request.asset;
if (!asset)
{
GlobalTools.LogError("加载资源失败：Resources文件夹中不存在 " + typeof(T) + " 资源 " + info.ResourcePath);
}
else
{
if (isPrefab)
{
asset = ClonePrefab(asset as GameObject, parent, isUI);
}
}
}
else
{
#if UNITY_EDITOR
loadingAction?.Invoke(1);
yield return(null);
asset = AssetDatabase.LoadAssetAtPath <T>(info.AssetPath);
if (!asset)
{
GlobalTools.LogError("加载资源失败：路径中不存在资源 " + info.AssetPath);
}
else
{
if (isPrefab)
{
asset = ClonePrefab(asset as GameObject, parent, isUI);
}
}
#else
if (_assetBundles.ContainsKey(info.AssetBundleName))
{
loadingAction?.Invoke(1);
yield return(null);
asset = _assetBundles[info.AssetBundleName].LoadAsset <T>(info.AssetPath);
if (!asset)
{
GlobalTools.LogError("加载资源失败：AB包 " + info.AssetBundleName + " 中不存在资源 " + info.AssetPath);
}
else
{
if (isPrefab)
{
asset = ClonePrefab(asset as GameObject, parent, isUI);
}
}
}
else
{
UnityWebRequest request = UnityWebRequest.Get(_assetBundlePath + info.AssetBundleName);
DownloadHandlerAssetBundle handler = new DownloadHandlerAssetBundle(request.url, 0);
request.downloadHandler = handler;
request.SendWebRequest();
while (!request.isDone)
{
loadingAction?.Invoke(request.downloadProgress);
yield return(null);
}
if (!request.isNetworkError && !request.isHttpError)
{
if (handler.assetBundle)
{
asset = handler.assetBundle.LoadAsset <T>(info.AssetPath);
if (!asset)
{
GlobalTools.LogError("加载资源失败：AB包 " + info.AssetBundleName + " 中不存在资源 " + info.AssetPath);
}
else
{
if (isPrefab)
{
asset = ClonePrefab(asset as GameObject, parent, isUI);
}
}
if (IsCacheAssetBundle)
{
if (!_assetBundles.ContainsKey(info.AssetBundleName))
{
_assetBundles.Add(info.AssetBundleName, handler.assetBundle);
}
}
else
{
handler.assetBundle.Unload(false);
}
}
else
{
GlobalTools.LogError("请求：" + request.url + " 未下载到AB包！");
}
}
else
{
GlobalTools.LogError("请求：" + request.url + " 遇到网络错误：" + request.error);
}
request.Dispose();
handler.Dispose();
}
#endif
}
if (asset)
{
DataSetInfo dataSet = info as DataSetInfo;
if (dataSet != null && dataSet.Data != null)
{
(asset as DataSet).Fill(dataSet.Data);
}
loadDoneAction?.Invoke(asset as T);
}
asset = null;
_isLoading = false;
}