/// <summary>
/// 监视器协程
/// 超过最大WWWLoader时，挂起~
/// 后来的新loader会被优先加载
/// </summary>
/// <returns></returns>
protected static IEnumerator WWWLoaderMonitorCoroutine()
{
//yield return new WaitForEndOfFrame(); // 第一次等待本帧结束
yield return(null);
while (WWWLoadersStack.Count > 0)
{
if (KResourceModule.LoadByQueue)
{
while (ABManager.GetCount <KWWWLoader>() != 0)
{
yield return(null);
}
}
while (WWWLoadingCount >= MAX_WWW_COUNT)
{
yield return(null);
}
var wwwLoader = WWWLoadersStack.Pop();
wwwLoader.StartLoad();
}
KResourceModule.Instance.StopCoroutine(CachedWWWLoaderMonitorCoroutine);
CachedWWWLoaderMonitorCoroutine = null;
}
/// <summary>
/// 协程加载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 (AppConfig.IsLogAbInfo)
{
Log.Info("[Request] WWW, {1}", url);
}
// 潜规则：不用LoadFromCache~它只能用在.assetBundle
#pragma warning disable 0618
Www = new WWW(url);
#pragma warning restore 0618
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!
}
if (url.StartsWith(KResourceModule.GetFileProtocol))
{
string fileRealPath = url.Replace(KResourceModule.GetFileProtocol, "");
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
{
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 (ABManager.GetCount <KWWWLoader>() > 0)
{
yield return(null);
}
yield return(new WaitForSeconds(5f));
while (!IsReadyDisposed)
{
Log.Error("[KWWWLoader]Not Disposed Yet! : {0}", this.Url);
yield return(null);
}
}
}