/// <summary>
/// 轮询更新
/// </summary>
public override void Update()
{
if (_steps == ESteps.Done)
{
return;
}
if (_steps == ESteps.None)
{
if (MainBundleInfo.IsInvalid)
{
_steps = ESteps.Done;
Status = EStatus.Failed;
LastError = $"The bundle info is invalid : {MainBundleInfo.BundleName}";
YooLogger.Error(LastError);
return;
}
if (MainBundleInfo.LoadMode == BundleInfo.ELoadMode.LoadFromStreaming)
{
_steps = ESteps.LoadFile;
_webURL = MainBundleInfo.GetStreamingLoadPath();
}
else
{
throw new System.NotImplementedException(MainBundleInfo.LoadMode.ToString());
}
}
// 1. 从服务器或缓存中获取AssetBundle文件
if (_steps == ESteps.LoadFile)
{
string hash = StringUtility.RemoveExtension(MainBundleInfo.Hash);
_webRequest = UnityWebRequestAssetBundle.GetAssetBundle(_webURL, Hash128.Parse(hash));
_webRequest.SendWebRequest();
_steps = ESteps.CheckFile;
}
// 2. 检测获取的AssetBundle文件
if (_steps == ESteps.CheckFile)
{
if (_webRequest.isDone == false)
{
return;
}
#if UNITY_2020_1_OR_NEWER
if (_webRequest.result != UnityWebRequest.Result.Success)
#else
if (_webRequest.isNetworkError || _webRequest.isHttpError)
#endif
{
YooLogger.Warning($"Failed to get asset bundle form web : {_webURL} Error : {_webRequest.error}");
_steps = ESteps.TryLoad;
_tryTimer = 0;
}
else
{
CacheBundle = DownloadHandlerAssetBundle.GetContent(_webRequest);
if (CacheBundle == null)
{
_steps = ESteps.Done;
Status = EStatus.Failed;
LastError = $"AssetBundle file is invalid : {MainBundleInfo.BundleName}";
YooLogger.Error(LastError);
}
else
{
_steps = ESteps.Done;
Status = EStatus.Succeed;
}
}
}
// 3. 如果获取失败，重新尝试
if (_steps == ESteps.TryLoad)
{
_tryTimer += Time.unscaledDeltaTime;
if (_tryTimer > 1f)
{
_webRequest.Dispose();
_webRequest = null;
_steps = ESteps.LoadFile;
}
}
}
/// <summary>
/// 初始化资源路径映射
/// </summary>
public void InitAssetPathMapping(bool locationToLower)
{
if (_isInitAssetPathMapping)
{
return;
}
_isInitAssetPathMapping = true;
if (EnableAddressable)
{
if (locationToLower)
{
YooLogger.Error("Addressable not support location to lower !");
}
foreach (var patchAsset in AssetList)
{
string location = patchAsset.Address;
if (AssetPathMapping.ContainsKey(location))
{
throw new Exception($"Address have existed : {location}");
}
else
{
AssetPathMapping.Add(location, patchAsset.AssetPath);
}
}
}
else
{
_locationToLower = locationToLower;
foreach (var patchAsset in AssetList)
{
string location = patchAsset.AssetPath;
if (locationToLower)
{
location = location.ToLower();
}
// 添加原生路径的映射
if (AssetPathMapping.ContainsKey(location))
{
throw new Exception($"AssetPath have existed : {location}");
}
else
{
AssetPathMapping.Add(location, patchAsset.AssetPath);
}
// 添加无后缀名路径的映射
if (Path.HasExtension(location))
{
string locationWithoutExtension = StringUtility.RemoveExtension(location);
if (AssetPathMapping.ContainsKey(locationWithoutExtension))
{
YooLogger.Warning($"AssetPath have existed : {locationWithoutExtension}");
}
else
{
AssetPathMapping.Add(locationWithoutExtension, patchAsset.AssetPath);
}
}
}
}
}