public CAssetBundleLoader(string url, Action <string, AssetBundle, object[]> callback = null, params object[] callbackArgs)
{
Callback = callback;
CallbackArgs = callbackArgs;
RelativeResourceUrl = url;
FullUrl = CResourceManager.GetResourcesPath(url);
CResourceManager.LogRequest("AssetBundle", FullUrl);
CResourceManager.Instance.StartCoroutine(LoadAssetBundle(RelativeResourceUrl));
}
/// <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>
IEnumerator CoLoad(string url, Action <WWW, object[]> callback = null, params object[] callbackArgs)
{
if (CResourceManager.LoadByQueue)
{
while (Loaded.Count != 0)
{
yield return(null);
}
}
CResourceManager.LogRequest("WWW", url);
CLoadingCache cache = null;
if (!Loaded.TryGetValue(url, out cache))
{
cache = new CLoadingCache(url);
Loaded.Add(url, cache);
System.DateTime beginTime = System.DateTime.Now;
WWW www = new WWW(url);
//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);
if (!string.IsNullOrEmpty(www.error))
{
IsError = true;
string fileProtocol = CResourceManager.GetFileProtocol();
if (url.StartsWith(fileProtocol))
{
string fileRealPath = url.Replace(fileProtocol, "");
CBase.LogError("File {0} Exist State: {1}", fileRealPath, System.IO.File.Exists(fileRealPath));
}
CBase.LogError(www.error + " " + url);
}
CResourceManager.LogLoadTime("WWW", url, beginTime);
cache.Www = www;
if (WWWFinishCallback != null)
{
WWWFinishCallback(url);
}
}
else
{
if (cache.Www != null)
{
yield return(null); // 确保每一次异步读取资源都延迟一帧
}
while (cache.Www == null) // 未加载完
{
yield return(null);
}
}
Progress = cache.Www.progress;
WwwCache = cache;
if (callback != null)
{
callback(WwwCache.Www, callbackArgs);
}
}