/// <summary>
/// Check Bundles/[Platform]/xxxx.kk exists?
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
public static bool IsBundleResourceExist(string url)
{
if (KResourceModule.IsEditorLoadAsset)
{
var editorPath = "Assets/" + KEngineDef.ResourcesBuildDir + "/" + url;
var hasEditorUrl = File.Exists(editorPath);
if (hasEditorUrl)
{
return(true);
}
}
return(KResourceModule.IsResourceExist(KResourceModule.BundlesPathRelative + url.ToLower() + AppEngine.GetConfig(KEngineDefaultConfigs.AssetBundleExt)));
}
private IEnumerator CoLoad(string url)
{
if (_loaderMode == LoaderMode.Sync)
{
Bytes = KResourceModule.LoadAssetsSync(url);
}
else
{
string _fullUrl;
var getResPathType = KResourceModule.GetResourceFullPath(url, _loaderMode == LoaderMode.Async, out _fullUrl);
if (getResPathType == KResourceModule.GetResourceFullPathType.Invalid)
{
Log.Error("[HotBytesLoader]Error Path: {0}", url);
OnFinish(null);
yield break;
}
_wwwLoader = KWWWLoader.Load(_fullUrl);
while (!_wwwLoader.IsCompleted)
{
Progress = _wwwLoader.Progress;
yield return(null);
}
if (!_wwwLoader.IsSuccess)
{
//if (AssetBundlerLoaderErrorEvent != null)
//{
// AssetBundlerLoaderErrorEvent(this);
//}
Log.Error("[HotBytesLoader]Error Load WWW: {0}", url);
OnFinish(null);
yield break;
}
#if UNITY_2018_1_OR_NEWER //TODO 换成WebRequst
//Bytes = _wwwLoader.Www.downloadHandler.data;
Bytes = _wwwLoader.Www.bytes;
#else
Bytes = _wwwLoader.Www.bytes;
#endif
}
OnFinish(Bytes);
}
protected override void Init(string url, params object[] args)
{
#if UNITY_5 || UNITY_2017_1_OR_NEWER
PreLoadManifest();
#endif
base.Init(url);
_loaderMode = (LoaderMode)args[0];
if (NewAssetBundleLoaderEvent != null)
{
NewAssetBundleLoaderEvent(url);
}
RelativeResourceUrl = url;
KResourceModule.LogRequest("AssetBundle", RelativeResourceUrl);
KResourceModule.Instance.StartCoroutine(LoadAssetBundle(url));
}
private IEnumerator CoLoad(string url)
{
if (_loaderMode == LoaderMode.Sync)
{
Bytes = LoadSync(url);
}
else
{
var getResPathType = KResourceModule.GetResourceFullPath(url, _loaderMode == LoaderMode.Async, out _fullUrl);
if (getResPathType == KResourceModule.GetResourceFullPathType.Invalid)
{
if (Debug.isDebugBuild)
{
Log.Error("[HotBytesLoader]Error Path: {0}", url);
}
OnFinish(null);
yield break;
}
_wwwLoader = KWWWLoader.Load(_fullUrl);
while (!_wwwLoader.IsCompleted)
{
Progress = _wwwLoader.Progress;
yield return(null);
}
if (!_wwwLoader.IsSuccess)
{
//if (AssetBundlerLoaderErrorEvent != null)
//{
// AssetBundlerLoaderErrorEvent(this);
//}
Log.Error("[HotBytesLoader]Error Load WWW: {0}", url);
OnFinish(null);
yield break;
}
Bytes = _wwwLoader.Www.bytes;
}
OnFinish(Bytes);
}
/// <summary>
/// Unity5下，使用manifest进行AssetBundle的加载
/// bool isForce,在热更新后，可能需要强制刷新AssetBundleManifest。
/// </summary>
public static void PreLoadManifest(bool isForce = false)
{
if (_hasPreloadAssetBundleManifest && isForce == false)
{
return;
}
_hasPreloadAssetBundleManifest = true;
//此方法不能加载到manifest文件
//var manifestPath = string.Format("{0}/{1}/{1}.manifest", KResourceModule.BundlesPathRelative,KResourceModule.BuildPlatformName);
// _mainAssetBundle = AssetBundle.LoadFromFile(manifestPath);
// _assetBundleManifest = _mainAssetBundle.LoadAsset<AssetBundleManifest>("AssetBundleManifest");
var manifestPath = KResourceModule.BundlesPathRelative + KResourceModule.GetBuildPlatformName();
KBytesLoader bytesLoader = KBytesLoader.Load(manifestPath, LoaderMode.Sync);
Debuger.Assert(bytesLoader != null, $"load manifest byte error path:{manifestPath}");
_mainAssetBundle = AssetBundle.LoadFromMemory(bytesLoader.Bytes);
Debuger.Assert(_mainAssetBundle != null, "load manifest ab error");
_assetBundleManifest = _mainAssetBundle.LoadAsset("AssetBundleManifest") as AssetBundleManifest;
}
private IEnumerator _Init(string path, LoaderMode loaderMode)
{
IsLoadAssetBundle = AppEngine.GetConfig("KEngine", "IsLoadAssetBundle").ToInt32() != 0;
Object getAsset = null;
if (IsEditorLoadAsset)
{
#if UNITY_EDITOR
if (path.EndsWith(".unity"))
{
// scene
getAsset = KResourceModule.Instance;
Log.LogWarning("Load scene from Build Settings: {0}", path);
}
else
{
getAsset = UnityEditor.AssetDatabase.LoadAssetAtPath("Assets/" + KEngineDef.ResourcesBuildDir + "/" + path, typeof(UnityEngine.Object));
if (getAsset == null)
{
Log.Error("Asset is NULL(from {0} Folder): {1}", KEngineDef.ResourcesBuildDir, path);
}
}
#else
Log.Error("`IsEditorLoadAsset` is Unity Editor only");
#endif
OnFinish(getAsset);
}
else if (!IsLoadAssetBundle)
{
string extension = Path.GetExtension(path);
path = path.Substring(0, path.Length - extension.Length); // remove extensions
getAsset = Resources.Load <Object>(path);
if (getAsset == null)
{
Log.Error("Asset is NULL(from Resources Folder): {0}", path);
}
OnFinish(getAsset);
}
else
{
_bundleLoader = AssetBundleLoader.Load(path, null, loaderMode);
while (!_bundleLoader.IsCompleted)
{
if (IsReadyDisposed) // 中途释放
{
_bundleLoader.Release();
OnFinish(null);
yield break;
}
yield return(null);
}
if (!_bundleLoader.IsSuccess)
{
Log.Error("[AssetFileLoader]Load BundleLoader Failed(Error) when Finished: {0}", path);
_bundleLoader.Release();
OnFinish(null);
yield break;
}
var assetBundle = _bundleLoader.Bundle;
DateTime beginTime = DateTime.Now;
#if UNITY_5 || UNITY_2017_1_OR_NEWER
// Unity 5 下，不能用mainAsset, 要取对象名
var abAssetName = Path.GetFileNameWithoutExtension(Url).ToLower();
if (!assetBundle.isStreamedSceneAssetBundle)
{
if (loaderMode == LoaderMode.Sync)
{
getAsset = assetBundle.LoadAsset(abAssetName);
Debuger.Assert(getAsset);
_bundleLoader.PushLoadedAsset(getAsset);
}
else
{
var request = assetBundle.LoadAssetAsync(abAssetName);
while (!request.isDone)
{
yield return(null);
}
Debuger.Assert(getAsset = request.asset);
_bundleLoader.PushLoadedAsset(getAsset);
}
}
else
{
// if it's a scene in asset bundle, did nothing
// but set a fault Object the result
getAsset = KResourceModule.Instance;
}
#else
// 经过AddWatch调试，.mainAsset这个getter第一次执行时特别久，要做序列化
//AssetBundleRequest request = assetBundle.LoadAsync("", typeof(Object));// mainAsset
//while (!request.isDone)
//{
// yield return null;
//}
try
{
Debuger.Assert(getAsset = assetBundle.mainAsset);
}
catch
{
Log.Error("[OnAssetBundleLoaded:mainAsset]{0}", path);
}
#endif
KResourceModule.LogLoadTime("AssetFileBridge", path, beginTime);
if (getAsset == null)
{
Log.Error("Asset is NULL: {0}", path);
}
}
if (Application.isEditor)
{
if (getAsset != null)
{
KResoourceLoadedAssetDebugger.Create(getAsset.GetType().Name, Url, getAsset as Object);
}
// 编辑器环境下，如果遇到GameObject，对Shader进行Fix
if (getAsset is GameObject)
{
var go = getAsset as GameObject;
foreach (var r in go.GetComponentsInChildren <Renderer>(true))
{
RefreshMaterialsShaders(r);
}
}
}
if (getAsset != null)
{
// 更名~ 注明来源asset bundle 带有类型
getAsset.name = String.Format("{0}~{1}", getAsset, Url);
}
OnFinish(getAsset);
}
/// <summary>
/// 协和加载Assetbundle，加载完后执行callback
/// </summary>
/// <param name="url">资源的url</param>
/// <param name="callback"></param>
/// <param name="callbackArgs"></param>
/// <returns></returns>
private IEnumerator CoLoad(string url)
{
#if UNITY_2017_1_OR_NEWER
//在Unity2017.1.1下，路径中包含两种分隔符(/和\),仅限windows平台
//比如：C:\Code\KSFramework\Product/Bundles/Windows/ui/login.prefab.k)会报: UriFormatException: Invalid URI: Invalid port number
//此处对路径处理成Unity标准路径格式：C:/Code/KSFramework/Product/Bundles/Windows/ui/login.prefab.k
#if UNITY_EDITOR || UNITY_STANDALONE_WIN
url = KTool.FormatToAssetUrl(url);
#endif
#endif
KResourceModule.LogRequest("WWW", url);
System.DateTime beginTime = System.DateTime.Now;
// 潜规则：不用LoadFromCache~它只能用在.assetBundle
Www = new WWW(url);
BeginLoadTime = Time.time;
WWWLoadingCount++;
//设置AssetBundle解压缩线程的优先级
Www.threadPriority = Application.backgroundLoadingPriority; // 取用全局的加载优先速度
while (!Www.isDone)
{
Progress = Www.progress;
yield return(null);
}
yield return(Www);
WWWLoadingCount--;
Progress = 1;
if (IsReadyDisposed)
{
Log.Error("[KWWWLoader]Too early release: {0}", url);
OnFinish(null);
yield break;
}
if (!string.IsNullOrEmpty(Www.error))
{
if (Application.platform == RuntimePlatform.Android)
{
// TODO: Android下的错误可能是因为文件不存在!
}
string fileProtocol = KResourceModule.GetFileProtocol();
if (url.StartsWith(fileProtocol))
{
string fileRealPath = url.Replace(fileProtocol, "");
Log.Error("File {0} Exist State: {1}", fileRealPath, System.IO.File.Exists(fileRealPath));
}
Log.Error("[KWWWLoader:Error]{0} {1}", Www.error, url);
OnFinish(null);
yield break;
}
else
{
KResourceModule.LogLoadTime("WWW", url, beginTime);
if (WWWFinishCallback != null)
{
WWWFinishCallback(url);
}
Desc = string.Format("{0}K", Www.bytes.Length / 1024f);
OnFinish(Www);
}
// 预防WWW加载器永不反初始化, 造成内存泄露~
if (Application.isEditor)
{
while (GetCount <KWWWLoader>() > 0)
{
yield return(null);
}
yield return(new WaitForSeconds(5f));
while (Debug.isDebugBuild && !IsReadyDisposed)
{
Log.Error("[KWWWLoader]Not Disposed Yet! : {0}", this.Url);
yield return(null);
}
}
}
/// <summary>
/// Initialize the path of AssetBundles store place ( Maybe in PersitentDataPath or StreamingAssetsPath )
/// </summary>
/// <returns></returns>
static void InitResourcePath()
{
GameObject resMgr = GameObject.Find("_ResourceModule_");
if (resMgr == null)
{
resMgr = new GameObject("_ResourceModule_");
GameObject.DontDestroyOnLoad(resMgr);
}
_Instance = resMgr.AddComponent <KResourceModule>();
string editorProductPath = EditorProductFullPath;
BundlesPathRelative = string.Format("{0}/{1}/", BundlesDirName, GetBuildPlatformName());
DocumentResourcesPath = FileProtocol + DocumentResourcesPathWithoutFileProtocol;
switch (Application.platform)
{
case RuntimePlatform.WindowsEditor:
case RuntimePlatform.OSXEditor:
{
ApplicationPath = string.Format("{0}{1}", GetFileProtocol(), editorProductPath);
ProductPathWithProtocol = GetFileProtocol() + EditorProductFullPath + "/";
ProductPathWithoutFileProtocol = EditorProductFullPath + "/";
// Resources folder
}
break;
case RuntimePlatform.WindowsPlayer:
case RuntimePlatform.OSXPlayer:
{
string path = Application.streamingAssetsPath.Replace('\\', '/'); //Application.dataPath.Replace('\\', '/');
// path = path.Substring(0, path.LastIndexOf('/') + 1);
ApplicationPath = string.Format("{0}{1}", GetFileProtocol(), Application.dataPath);
ProductPathWithProtocol = string.Format("{0}{1}/", GetFileProtocol(), path);
ProductPathWithoutFileProtocol = string.Format("{0}/", path);
// Resources folder
}
break;
case RuntimePlatform.Android:
{
ApplicationPath = string.Concat("jar:", GetFileProtocol(), Application.dataPath, "!/assets");
ProductPathWithProtocol = string.Concat(ApplicationPath, "/");
ProductPathWithoutFileProtocol = string.Concat(Application.dataPath,
"!/assets/");
// 注意，StramingAsset在Android平台中，是在壓縮的apk里，不做文件檢查
// Resources folder
}
break;
case RuntimePlatform.IPhonePlayer:
{
ApplicationPath =
System.Uri.EscapeUriString(GetFileProtocol() + Application.streamingAssetsPath); // MacOSX下，带空格的文件夹，空格字符需要转义成%20
ProductPathWithProtocol = string.Format("{0}/", ApplicationPath);
// only iPhone need to Escape the f*****g Url!!! other platform works without it!!! Keng Die!
ProductPathWithoutFileProtocol = Application.streamingAssetsPath + "/";
// Resources folder
}
break;
default:
{
Debuger.Assert(false);
}
break;
}
}
/// <summary>
/// Initialize the path of AssetBundles store place ( Maybe in PersitentDataPath or StreamingAssetsPath )
/// </summary>
/// <returns></returns>
static void InitResourcePath()
{
GameObject resMgr = GameObject.Find("_ResourceModule_");
if (resMgr == null)
{
resMgr = new GameObject("_ResourceModule_");
GameObject.DontDestroyOnLoad(resMgr);
}
_Instance = resMgr.AddComponent<KResourceModule>();
string editorProductPath = EditorProductFullPath;
BundlesPathRelative = string.Format("{0}/{1}/", BundlesDirName, GetBuildPlatformName());
DocumentResourcesPath = FileProtocol + DocumentResourcesPathWithoutFileProtocol;
switch (Application.platform)
{
case RuntimePlatform.WindowsEditor:
case RuntimePlatform.OSXEditor:
{
ApplicationPath = string.Format("{0}{1}/", GetFileProtocol(), editorProductPath);
BundlesPathWithProtocol = GetFileProtocol() + EditorAssetBundleFullPath + "/" + BuildPlatformName + "/";
BundlesPathWithoutFileProtocol = EditorAssetBundleFullPath + "/" + BuildPlatformName + "/";
// Resources folder
}
break;
case RuntimePlatform.WindowsPlayer:
case RuntimePlatform.OSXPlayer:
{
string path = Application.streamingAssetsPath.Replace('\\', '/');//Application.dataPath.Replace('\\', '/');
// path = path.Substring(0, path.LastIndexOf('/') + 1);
ApplicationPath = string.Format("{0}{1}/", GetFileProtocol(), Application.dataPath);
BundlesPathWithProtocol = string.Format("{0}{1}/{2}/{3}/", GetFileProtocol(), path, BundlesDirName,
GetBuildPlatformName());
BundlesPathWithoutFileProtocol = string.Format("{0}/{1}/{2}/", path, BundlesDirName,
GetBuildPlatformName());
// Resources folder
}
break;
case RuntimePlatform.Android:
{
ApplicationPath = string.Concat("jar:", GetFileProtocol(), Application.dataPath,
string.Format("!/assets/{0}/", BundlesDirName));
BundlesPathWithProtocol = string.Concat(ApplicationPath, GetBuildPlatformName(), "/");
BundlesPathWithoutFileProtocol = string.Concat(Application.dataPath,
"!/assets/" + BundlesDirName + "/", GetBuildPlatformName() + "/");
// 注意，StramingAsset在Android平台中，是在壓縮的apk里，不做文件檢查
// Resources folder
}
break;
case RuntimePlatform.IPhonePlayer:
{
ApplicationPath =
System.Uri.EscapeUriString(GetFileProtocol() + Application.streamingAssetsPath + "/" +
BundlesDirName + "/"); // MacOSX下，带空格的文件夹，空格字符需要转义成%20
BundlesPathWithProtocol = string.Format("{0}{1}/", ApplicationPath, GetBuildPlatformName());
// only iPhone need to Escape the f*****g Url!!! other platform works without it!!! Keng Die!
BundlesPathWithoutFileProtocol = Application.streamingAssetsPath + "/" + BundlesDirName + "/" +
GetBuildPlatformName() + "/";
// Resources folder
}
break;
default:
{
Debuger.Assert(false);
}
break;
}
}
private IEnumerator LoadAssetBundle(string relativeUrl)
{
#if UNITY_5 || UNITY_2017_1_OR_NEWER
// Unity 5 Manifest中管理了依赖
var abPath = relativeUrl.ToLower();
var deps = _assetBundleManifest.GetAllDependencies(abPath);
_depLoaders = new AssetBundleLoader[deps.Length];
for (var d = 0; d < deps.Length; d++)
{
var dep = deps[d];
_depLoaders[d] = AssetBundleLoader.Load(dep, null, _loaderMode);
if (_depLoaders[d].dependFrom == string.Empty)
{
_depLoaders[d].dependFrom = relativeUrl;
}
}
for (var l = 0; l < _depLoaders.Length; l++)
{
var loader = _depLoaders[l];
while (!loader.IsCompleted)
{
yield return(null);
}
}
#endif
#if UNITY_5 || UNITY_2017_1_OR_NEWER
// Unity 5 AssetBundle自动转小写
relativeUrl = relativeUrl.ToLower();
#endif
if (AppConfig.IsLogAbLoadCost)
{
beginTime = Time.realtimeSinceStartup;
}
string _fullUrl = KResourceModule.GetAbFullPath(relativeUrl);
if (string.IsNullOrEmpty(_fullUrl))
{
OnFinish(null);
yield break;
}
AssetBundle assetBundle = null;
if (_loaderMode == LoaderMode.Sync)
{
assetBundle = AssetBundle.LoadFromFile(_fullUrl);
}
else
{
var request = AssetBundle.LoadFromFileAsync(_fullUrl);
while (!request.isDone)
{
if (IsReadyDisposed) // 中途释放
{
OnFinish(null);
yield break;
}
Progress = request.progress;
yield return(null);
}
assetBundle = request.assetBundle;
}
if (assetBundle == null)
{
Log.Error("assetBundle is NULL: {0}", RelativeResourceUrl);
}
if (AppConfig.IsLogAbLoadCost)
{
Log.Info("[Finish] Load AssetBundle {0}, CostTime {1}s {2}", relativeUrl, Time.realtimeSinceStartup - beginTime, dependFrom);
}
if (AppConfig.IsSaveCostToFile && !relativeUrl.StartsWith("ui/"))
{
LogFileManager.WriteLoadAbLog(relativeUrl, Time.realtimeSinceStartup - beginTime);
}
OnFinish(assetBundle);
}
/// <summary>
/// 协和加载Assetbundle，加载完后执行callback
/// </summary>
/// <param name="url">资源的url</param>
/// <param name="callback"></param>
/// <param name="callbackArgs"></param>
/// <returns></returns>
private IEnumerator CoLoad(string url)
{
KResourceModule.LogRequest("WWW", url);
System.DateTime beginTime = System.DateTime.Now;
// 潜规则：不用LoadFromCache~它只能用在.assetBundle
Www = new WWW(url);
BeginLoadTime = Time.time;
WWWLoadingCount++;
//设置AssetBundle解压缩线程的优先级
Www.threadPriority = Application.backgroundLoadingPriority; // 取用全局的加载优先速度
while (!Www.isDone)
{
Progress = Www.progress;
yield return(null);
}
yield return(Www);
WWWLoadingCount--;
Progress = 1;
if (IsReadyDisposed)
{
Log.Error("[KWWWLoader]Too early release: {0}", url);
OnFinish(null);
yield break;
}
if (!string.IsNullOrEmpty(Www.error))
{
if (Application.platform == RuntimePlatform.Android)
{
// TODO: Android下的错误可能是因为文件不存在!
}
string fileProtocol = KResourceModule.GetFileProtocol();
if (url.StartsWith(fileProtocol))
{
string fileRealPath = url.Replace(fileProtocol, "");
Log.Error("File {0} Exist State: {1}", fileRealPath, System.IO.File.Exists(fileRealPath));
}
Log.Error("[KWWWLoader:Error]{0} {1}", Www.error, url);
OnFinish(null);
yield break;
}
else
{
KResourceModule.LogLoadTime("WWW", url, beginTime);
if (WWWFinishCallback != null)
{
WWWFinishCallback(url);
}
Desc = string.Format("{0}K", Www.bytes.Length / 1024f);
OnFinish(Www);
}
// 预防WWW加载器永不反初始化, 造成内存泄露~
if (Application.isEditor)
{
while (GetCount <KWWWLoader>() > 0)
{
yield return(null);
}
yield return(new WaitForSeconds(5f));
while (Debug.isDebugBuild && !IsReadyDisposed)
{
Log.Error("[KWWWLoader]Not Disposed Yet! : {0}", this.Url);
yield return(null);
}
}
}
private IEnumerator _Init(string path, LoaderMode loaderMode)
{
IsLoadAssetBundle = KEngine.AppEngine.GetConfig("KEngine", "IsLoadAssetBundle").ToInt32() != 0;
UnityEngine.Object getAsset = null;
if (!IsLoadAssetBundle)
{
string extension = System.IO.Path.GetExtension(path);
path = path.Substring(0, path.Length - extension.Length); // remove extensions
getAsset = Resources.Load <UnityEngine.Object>(path);
if (getAsset == null)
{
Log.Error("Asset is NULL(from Resources Folder): {0}", path);
}
OnFinish(getAsset);
}
else
{
_bundleLoader = KAssetBundleLoader.Load(path, null, loaderMode);
while (!_bundleLoader.IsCompleted)
{
if (IsReadyDisposed) // 中途释放
{
_bundleLoader.Release();
OnFinish(null);
yield break;
}
yield return(null);
}
if (!_bundleLoader.IsSuccess)
{
Log.Error("[KAssetFileLoader]Load BundleLoader Failed(Error) when Finished: {0}", path);
_bundleLoader.Release();
OnFinish(null);
yield break;
}
var assetBundle = _bundleLoader.Bundle;
System.DateTime beginTime = System.DateTime.Now;
#if UNITY_5
// Unity 5 下，不能用mainAsset, 要取对象名
var abAssetName = Path.GetFileNameWithoutExtension(Url).ToLower();
if (loaderMode == LoaderMode.Sync)
{
getAsset = assetBundle.LoadAsset(abAssetName);
Debuger.Assert(getAsset);
}
else
{
var request = assetBundle.LoadAssetAsync(abAssetName);
while (!request.isDone)
{
yield return(null);
}
Debuger.Assert(getAsset = request.asset);
}
#else
// 经过AddWatch调试，.mainAsset这个getter第一次执行时特别久，要做序列化
//AssetBundleRequest request = assetBundle.LoadAsync("", typeof(Object));// mainAsset
//while (!request.isDone)
//{
// yield return null;
//}
try
{
Debuger.Assert(getAsset = assetBundle.mainAsset);
}
catch
{
Log.Error("[OnAssetBundleLoaded:mainAsset]{0}", path);
}
#endif
KResourceModule.LogLoadTime("AssetFileBridge", path, beginTime);
if (getAsset == null)
{
Log.Error("Asset is NULL: {0}", path);
}
}
if (Application.isEditor)
{
if (getAsset != null)
{
KResoourceLoadedAssetDebugger.Create(getAsset.GetType().Name, Url, getAsset as UnityEngine.Object);
}
}
if (getAsset != null)
{
// 更名~ 注明来源asset bundle 带有类型
getAsset.name = string.Format("{0}~{1}", getAsset, Url);
}
OnFinish(getAsset);
}
/// <summary>
/// Unity5下，使用manifest进行AssetBundle的加载
/// bool isForce,在热更新后，可能需要强制刷新AssetBundleManifest。
/// </summary>
public static void PreLoadManifest(bool isForce = false)
{
if (_hasPreloadAssetBundleManifest && isForce == false)
{
return;
}
_hasPreloadAssetBundleManifest = true;
//此方法不能加载到manifest文件
//var manifestPath = string.Format("{0}/{1}/{1}.manifest", KResourceModule.BundlesPathRelative,KResourceModule.BuildPlatformName);
// _mainAssetBundle = AssetBundle.LoadFromFile(manifestPath);
// _assetBundleManifest = _mainAssetBundle.LoadAsset<AssetBundleManifest>("AssetBundleManifest");
KBytesLoader bytesLoader = KBytesLoader.Load(KResourceModule.BundlesPathRelative + KResourceModule.GetBuildPlatformName(), LoaderMode.Sync);
_mainAssetBundle = AssetBundle.LoadFromMemory(bytesLoader.Bytes);//KResourceModule.LoadSyncFromStreamingAssets(mainAssetBundlePath));
_assetBundleManifest = _mainAssetBundle.LoadAsset("AssetBundleManifest") as AssetBundleManifest;
Debuger.Assert(_mainAssetBundle);
Debuger.Assert(_assetBundleManifest);
}