/// <summary>
/// 生成一个指定路径的加载器并加载资源
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="url">资源唯一路径</param>
/// <param name="completeHandler">加载完成回调</param>
/// <param name="loadModel">加载模式(同步/异步) default=异步</param>
/// <param name="loadAssetPath">加载资源路径模式(外部/Resources/StreamAsset ) default=ResourcesPath</param>
protected static ByteLoader LoadAssetSync(string url, System.Action <BaseAbstracResourceLoader> onCompleteAct)
{
if (string.IsNullOrEmpty(url))
{
Debug.LogError(string.Format("Url Can't Be Null , TypeLoader={0}", typeof(ByteLoader)));
return(null);
}
bool isLoaderExit = false;
ByteLoader byteLoader = ResourcesLoaderMgr.GetOrCreateLoaderInstance <ByteLoader>(url, ref isLoaderExit);
byteLoader.m_OnCompleteAct.Add(onCompleteAct);
if (isLoaderExit && byteLoader.IsCompleted)
{
byteLoader.LoadassetModel = LoadAssetModel.Sync; //这里貌似没必要
byteLoader.OnCompleteLoad(byteLoader.IsError, byteLoader.Description, byteLoader.ResultObj, true); //如果当前加载器已经完成加载 则手动触发事件
return(byteLoader);
}//如果当前加载器存在 且已经加载完成已经完成加载 则手动触发事件
if (byteLoader.LoadassetModel == LoadAssetModel.Async)
{
Debug.LogEditorInfor(string.Format("有资源({0})正在异步加载过程中，同时有同步加载请求 ，则之前的加载逻辑作废!! ", url));
byteLoader.ForceBreakLoaderProcess();
}//有一个正在异步加载的加载器运行着
byteLoader.LoadassetModel = LoadAssetModel.Sync;
byteLoader.LoadByteAssetSync(url);
return(byteLoader);
}
/// <summary>
/// 卸载资源
/// </summary>
/// <param name="url"></param>
public static void UnLoadAsset(string url, bool isForceDelete = false)
{
ByteLoader byteLoader = ResourcesLoaderMgr.GetExitLoaderInstance <ByteLoader>(url);
if (byteLoader == null)
{
//Debug.LogError("无法获取指定类型的加载器 " + typeof(ByteLoader));
return;
}
byteLoader.ReduceReference(byteLoader, isForceDelete);
}
/// <summary>
/// (异步)生成一个指定路径的加载器并加载资源
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="url">资源唯一路径</param>
/// <param name="completeHandler">加载完成回调</param>
/// <param name="loadModel">加载模式(同步/异步) default=异步</param>
/// <param name="loadAssetPath">加载资源路径模式(外部/Resources/StreamAsset ) default=ResourcesPath</param>
protected static ByteLoader LoadAssetAsync(string url, System.Action <BaseAbstracResourceLoader> onCompleteAct)
{
if (string.IsNullOrEmpty(url))
{
Debug.LogError(string.Format("Url Can't Be Null , TypeLoader={0}", typeof(ByteLoader)));
return(null);
}
bool isLoaderExit = false;
ByteLoader byteLoader = ResourcesLoaderMgr.GetOrCreateLoaderInstance <ByteLoader>(url, ref isLoaderExit);
byteLoader.m_OnCompleteAct.Add(onCompleteAct);
byteLoader.LoadassetModel = LoadAssetModel.Async; //这里貌似没必要（由于异步加载时候同步加载必定完成了）
if (isLoaderExit)
{
if (byteLoader.IsCompleted)
{
byteLoader.OnCompleteLoad(byteLoader.IsError, byteLoader.Description, byteLoader.ResultObj, true); //如果当前加载器已经完成加载 则手动触发事件
}
return(byteLoader); //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
}
byteLoader.LoadByteAssetASync(url);
return(byteLoader);
}
/// <summary>
/// 根据配置的路径加载优先级 选择合适的加载器加载资源 (可能存在加载不到资源的情况,目前只处理LoadAssetPathEnum.PersistentDataPath和PersistentDataPath.ResourcesPath)
/// </summary>
/// <param name="bridgeLoader"></param>
/// <param name="url"></param>
/// <param name="isloadScene"> 如果加载的是场景 则这里必须填true ,否则false</param>
/// <returns></returns>
private IEnumerator LoadAssetByPriorityAsync(string url, BridgeLoader bridgeLoader, bool isloadSceneAsset)
{
LoadAssetPathEnum curLoadAssetPathEnum = ApplicationConfig.Instance.GetFirstPriortyAssetPathEnum(); //加载的优先级
string fileName = System.IO.Path.GetFileNameWithoutExtension(url);
do
{
if (curLoadAssetPathEnum == LoadAssetPathEnum.PersistentDataPath)
{
AssetBundleExitState assetBundleExitState;
string newUrl = HotUpdate.AssetBundleMgr.Instance.CheckIfAssetBundleAsset(url.ToLower(), out assetBundleExitState);
if (assetBundleExitState != AssetBundleExitState.None)
{
Debug.Log("[AssetBundler ]加载外部资源，且以AssetBundle 加载");
bridgeLoader.m_ConnectLoader = NewAssetBundleLoader3.LoadAssetBundleAsset(newUrl, fileName, LoadAssetModel.Async, assetBundleExitState, isloadSceneAsset); //整体打包的资源
}
else
{
if (isloadSceneAsset == false)
{
Debug.Log("[byteLoader ]优先加载外部资源,但是不是AssetBundle 资源，则以Byte[] 尝试 加载");
string path = url;
if (url.StartsWith(ConstDefine.S_AssetBundleTopPath) == false)
{
path = ConstDefine.S_AssetBundleTopPath + url;
}
bridgeLoader.m_ConnectLoader = ByteLoader.LoadAsset(path, LoadAssetModel.Async, null);
}
else
{
//***场景资源不通过这种方式
}
}
}
else if (curLoadAssetPathEnum == LoadAssetPathEnum.ResourcesPath)
{
Debug.Log("[RecourcsLoader ] 加载Resources 资源 " + url);
bridgeLoader.m_ConnectLoader = ResourcesLoader.LoadResourcesAsset(url, LoadAssetModel.Async, null, isloadSceneAsset);
}
while (bridgeLoader.m_ConnectLoader.IsCompleted == false)
{
yield return(null);
}
if (curLoadAssetPathEnum == LoadAssetPathEnum.PersistentDataPath && (bridgeLoader.m_ConnectLoader.GetType() == typeof(NewAssetBundleLoader3)))
{
NewAssetBundleLoader3 assetBundleLoader = bridgeLoader.m_ConnectLoader as NewAssetBundleLoader3;
if (assetBundleLoader.AssetLoaderResultInfor.GetAssetByUrl(assetBundleLoader.m_ResourcesUrl, fileName) != null)
{
yield break;
}
}
else
{
if (bridgeLoader.m_ConnectLoader.ResultObj != null)
{
yield break;
}
}
// bridgeLoader.m_ConnectLoader.ReduceReference(bridgeLoader.m_ConnectLoader, false); //卸载这个加载器
ApplicationConfig.Instance.GetNextLoadAssetPath(ref curLoadAssetPathEnum);
continue; //如果加载得到则返回否则继续尝试其他的加载方式
} while (curLoadAssetPathEnum != LoadAssetPathEnum.None);
Debug.LogError("如果加载成功不会执行到这里" + url);
bridgeLoader.m_ConnectLoader = null; //如果加载成功不会执行到这里
}
