/// <summary>
/// WWW 方式异步加载资源
/// </summary>
/// <param name="topPath">资源相对目录前的绝对目录</param>
/// <param name="url">资源相对目录</param>
/// <param name="onCompleteAct"></param>
/// <returns></returns>
public static WWWLoader WWWLoadAsset(string topPath, LoadAssetModel loadModel, string url, System.Action <BaseAbstracResourceLoader> onCompleteAct)
{
if (loadModel != LoadAssetModel.Async)
{
Debug.LogError("WWWLoader 只支持异步加载资源");
return(null);
}
if (string.IsNullOrEmpty(url))
{
Debug.LogError(string.Format("Url Can't Be Null , TypeLoader={0}", typeof(WWWLoader)));
return(null);
}
bool isLoaderExit = false;
Debug.LogInfor("WWWLoadAsset url=" + url);
WWWLoader wwwLoader = ResourcesLoaderMgr.GetOrCreateLoaderInstance <WWWLoader>(url, ref isLoaderExit);
wwwLoader.m_OnCompleteAct.Add(onCompleteAct);
if (isLoaderExit)
{
if (wwwLoader.IsCompleted)
{
wwwLoader.OnCompleteLoad(wwwLoader.IsError, wwwLoader.Description, wwwLoader.ResultObj, true); //如果当前加载器已经完成加载 则手动触发事件
}
return(wwwLoader); //如果已经存在 且当前加载器还在加载中，则只需要等待加载完成则回调用回调
}
wwwLoader.m_TopPath = topPath;
wwwLoader.m_LoadAssetCoroutine = EventCenter.Instance.StartCoroutine(wwwLoader.LoadAssetAsync(topPath, url, wwwLoader));
return(wwwLoader);
}
/// <summary>
/// 异步加载资源
/// </summary>
/// <param name="topPath"></param>
/// <param name="url"></param>
/// <param name="wwwLoader"></param>
/// <returns></returns>
protected IEnumerator LoadAssetAsync(string topPath, string url, WWWLoader wwwLoader)
{
string fileAbsolutelyPath = string.Format("{0}{1}", topPath, url); //当先需要下载的资源的绝对路径
if (System.IO.File.Exists(fileAbsolutelyPath) == false)
{
IsPathExit = false;
base.OnCompleteLoad(true, string.Format("File: {0} Not Exit", fileAbsolutelyPath), null, true, 0);
Debug.LogInfor("文件路径不存在 " + fileAbsolutelyPath);
yield break;
}
m_ResourcesUrl = url;
IsPathExit = true;
Debug.Log("LoadAssetAsync fileAbsolutelyPath=" + fileAbsolutelyPath + " url=" + url);
WWW www = new WWW(string.Format(@"file:///{0}", fileAbsolutelyPath)); //WWW 下载路径必须加上 file:///
while (www.isDone == false)
{
Process = www.progress;
yield return(null);
}
if (string.IsNullOrEmpty(www.error))
{
OnCompleteLoad(false, string.Format("Complete WWW Load {0}", fileAbsolutelyPath), www, true);
}
else
{
OnCompleteLoad(true, www.error, null, true);
}
}
/// <summary>
/// 卸载指定类型的加载器
/// </summary>
/// <param name="url"></param>
public static void UnLoadAsset(string url, bool isForceDelete = false)
{
WWWLoader wwwLoader = ResourcesLoaderMgr.GetExitLoaderInstance <WWWLoader>(url);
if (wwwLoader == null)
{
//Debug.LogError("无法获取指定类型的加载器 " + typeof(WWWLoader));
return;
}
wwwLoader.ReduceReference(wwwLoader, isForceDelete);
}
