public bool NeedDownloadNewAssetbundle(BundleCacheItem item)
{
if (!CheckBundleExistInLocalFile(item.BundleName))
{
return(true);
}
if (!string.IsNullOrEmpty(item.BundleVersion))
{
//TODO compare is item.version same as localversion
return(true);
}
return(false);
}
/// <summary>
/// 从远程下载bundle
/// ! 测试使用mac本地服务器 url地址配置在GameCanstants中
/// </summary>
/// <param name="bundleName"></param>
/// <param name="downloadSucceedCallBack"></param>
/// <param name="downloadFailedCallBack">范</param>
/// <returns></returns>
public IEnumerator CheckDownloadBundleFromRemoteServer(BundleCacheItem cacheItem, Action downloadSucceedCallBack = null, Action downloadFailedCallBack = null, Action <float> downloadingCallBack = null)
{
if (!cacheItem.NeedDownload())
{
downloadSucceedCallBack?.Invoke();
yield break;
}
string _bundleName = cacheItem.BundleName;
string downloadUrl = GetBundleRemoteUrl(_bundleName, cacheItem.BundleVersion);
if (string.IsNullOrEmpty(downloadUrl))
{
yield break;
}
UnityEngine.Networking.UnityWebRequest request = UnityWebRequest.Get(downloadUrl);
request.timeout = 600;
bundleWebRequests.Add(_bundleName, request);
request.SendWebRequest();
int displayProgress = 1;
int toProgress = 0;
while (!request.isDone)
{
toProgress = (int)(100 * request.downloadProgress);
while (displayProgress <= toProgress)
{
downloadingCallBack?.Invoke((float)displayProgress / 100.0f);
yield return(GameConstants.Wait1In60Second);
displayProgress++;
}
yield return(GameConstants.Wait1In60Second);
}
toProgress = 100;
while (displayProgress <= toProgress)
{
downloadingCallBack?.Invoke((float)displayProgress / 100.0f);
yield return(GameConstants.Wait1In60Second);
displayProgress++;
}
if (request.isHttpError || request.isNetworkError)
{
Log.Error(request.error);
//TODO display dialog
yield break;
}
string localSavePath = Path.Combine(AssetPathManager.GetAssetBundleOutPutPath(), cacheItem.BundleName);
//*删除旧版本bundle */
try
{
string dicPath = Path.GetDirectoryName(localSavePath);
if (!Directory.Exists(dicPath))
{
Directory.CreateDirectory(dicPath);
File.Delete(localSavePath);
}
}
catch (Exception ex)
{
Log.Error(ex.Message);
}
var data = request.downloadHandler.data;
try
{
string dicPath = Path.GetDirectoryName(localSavePath);
if (!Directory.Exists(dicPath))
{
Directory.CreateDirectory(dicPath);
}
File.WriteAllBytes(localSavePath, data);
}
catch (Exception e)
{
Log.Error(e.Message);
}
// yield return GameConstants.Wait2In10Second;
bundleWebRequests.Remove(_bundleName);
request.Dispose();
downloadSucceedCallBack?.Invoke();
}