/// <summary>
/// 返回链接的底层加载器的状态
/// </summary>
/// <param name="url"></param>
/// <param name="birdgeLoader"></param>
/// <returns></returns>
private IEnumerator LoadAssetAsync(string url, BridgeLoader bridgeLoader)
{
bridgeLoader.m_ResourcesUrl = url;
if (bridgeLoader.m_ConnectLoader == null)
{
OnLoadAssetFail();
yield break;
}
while (bridgeLoader.m_ConnectLoader.IsCompleted == false)
{
yield return(null);
}
if (bridgeLoader.m_ConnectLoader.GetType() == typeof(NewAssetBundleLoader3))
{
string fileName = System.IO.Path.GetFileNameWithoutExtension(url);
NewAssetBundleLoader3 assetBundleloader = bridgeLoader.m_ConnectLoader as NewAssetBundleLoader3;
object asset = assetBundleloader.AssetLoaderResultInfor.GetAssetByUrl(assetBundleloader.m_ResourcesUrl, fileName);
OnCompleteLoad(bridgeLoader.m_ConnectLoader.IsError, bridgeLoader.m_ConnectLoader.Description, asset, bridgeLoader.m_ConnectLoader.IsCompleted);
}
else
{
OnCompleteLoad(bridgeLoader.m_ConnectLoader.IsError, bridgeLoader.m_ConnectLoader.Description, bridgeLoader.m_ConnectLoader.ResultObj, bridgeLoader.m_ConnectLoader.IsCompleted);
}
}
/// <summary>
/// 同步加载资源 (这里处理的是最外层的AssetBundle ,当前资源依赖的AssetBundle 处理在LoadDepdenceAssetBundleAsync)
/// </summary>
/// <param name="url"></param>
protected void LoadAssetBundleSync(string url, string assetFileName, AssetBundleExitState assetBundleState, bool isloadScene)
{
m_ResourcesUrl = url;
if (System.IO.Path.GetExtension(m_ResourcesUrl) != ConstDefine.AssetBundleExtensionName)
{
m_ResourcesUrl += ConstDefine.AssetBundleExtensionName; //组合上扩展名
}
#region 加载依赖的资源
string[] dependenceAssets = AssetBundleMgr.Instance.S_AssetBundleManifest.GetAllDependencies(m_ResourcesUrl); //获取所有的依赖文件
List <NewAssetBundleLoader3> allDependenceAssetLoader = new List <NewAssetBundleLoader3>(); //所有依赖文件的加载器
foreach (var item in dependenceAssets)
{
bool isLoaderExit = false;
NewAssetBundleLoader3 subAssetBundleLoader = ResourcesLoaderMgr.GetOrCreateLoaderInstance <NewAssetBundleLoader3>(item, ref isLoaderExit);
if (isLoaderExit && subAssetBundleLoader.IsCompleted)
{
Debug.LogEditorInfor("LoadAssetBundleASync Exit ," + item);
continue; //已经存在了 则继续
}
allDependenceAssetLoader.Add(subAssetBundleLoader);
LoadDepdenceAssetBundleSync(item, subAssetBundleLoader, assetBundleState);
} //递归加载资源的依赖项
for (int dex = 0; dex < allDependenceAssetLoader.Count; ++dex)
{
if (allDependenceAssetLoader[dex].IsError)
{
Debug.LogError("[AssetBundleLoader] LoadAssetBundleSync Fail, 依赖的 AssetBundle 资源不存在 " + allDependenceAssetLoader[dex].m_ResourcesUrl);
OnCompleteLoad(false, string.Format("[AssetBundleLoader] LoadAssetBundle Fail,AssetBundle Path= {0}", allDependenceAssetLoader[dex].m_ResourcesUrl), null, true);
break;
}
} //判断依赖项是否加载完成
#endregion
#region AssetBundle 同步加载
AssetLoaderResultInfor.LoadedAssetBundle = AssetBundle.LoadFromFile(S_AssetBundleTopPath + m_ResourcesUrl);
if (AssetLoaderResultInfor.LoadedAssetBundle == null)
{
ResultObj = null;
OnCompleteLoad(true, string.Format("同步加载本地AssetBundle 失败{0}", url), null, true, 1);
return;
}
LoadAndRecordAsset(AssetLoaderResultInfor, assetBundleState, isloadScene);
OnCompleteLoad(AssetLoaderResultInfor.LoadedAssetBundle == null, string.Format("[AssetBundleLoader] LoadAssetBundleSuccess {0}", m_ResourcesUrl), null, true);
#endregion
Debug.LogInfor("加载AssetBundle 成功");
}
/// <summary>
/// AssetBundle 依赖的AssetBundle 完成加载
/// (注意必须给出一个指向当前子AssetBundleLoader 的参数 ，否则操作的是外层AssetBundleLoader 的参数而导致状态异常)
/// </summary>
/// <param name="AssetLoader"></param>
/// <param name="isError"></param>
/// <param name="description"></param>
/// <param name="result"></param>
/// <param name="iscomplete"></param>
/// <param name="process"></param>
protected void OnCompleteLoadDepdenceAsset(NewAssetBundleLoader3 AssetLoader, bool isError, string description, object result, bool iscomplete, float process = 1)
{
if (AssetLoader == null)
{
return;
}
AssetLoader.IsCompleted = iscomplete;
AssetLoader.IsError = isError;
AssetLoader.Description = description;
AssetLoader.ResultObj = result;
AssetLoader.Process = process;
AssetLoader.AssetLoaderResultInfor.m_AllNeedLoadAssetRecord.Clear();
}
/// <summary>
/// （同步加载）加载AssetBundle 资源
/// </summary>
/// <param name="url">相对于AseetBundle 资源存放路径的路径 (如果是打包成整个预制体则是整个预制体的路径)</param>
/// <param name="assetFileName">实际加载AssetBundle 时候的文件名称(考虑到加载整个AssetBundle 中一个资源的情况)</param>
/// <param name="onCompleteAct">加载完成回调</param>
/// <param name="isloadSceneAsset"> 如果加载的是场景 则这里必须填true ,否则false</param>
/// <returns></returns>
private static NewAssetBundleLoader3 LoadAssetBundleAssetSync(string url, string assetFileName, AssetBundleExitState assetBundleState, bool isloadSceneAsset)
{
if (string.IsNullOrEmpty(url))
{
Debug.LogError(string.Format("Url Can't Be Null , TypeLoader={0}", typeof(NewAssetBundleLoader3)));
return(null);
}
if (assetBundleState == AssetBundleExitState.None)
{
Debug.LogError("LoadAssetBundleAssetSync Fail,Not AssetBundle Asset" + url + " assetFileName=" + assetFileName);
return(null);
}
Debug.LogInfor("LoadAssetBundleAsset url=" + url + " assetFileName=" + assetFileName);
bool isLoaderExit = false;
NewAssetBundleLoader3 assetBundleLoader = ResourcesLoaderMgr.GetOrCreateLoaderInstance <NewAssetBundleLoader3>(url, ref isLoaderExit);
if (isLoaderExit && assetBundleLoader.IsCompleted)
{
assetBundleLoader.LoadassetModel = LoadAssetModel.Sync;
//*** 判断当前资源是否加载了
if (string.IsNullOrEmpty(assetFileName) == false && assetBundleLoader.AssetLoaderResultInfor.m_AllNeedLoadAssetRecord.Contains(assetFileName) == false)
{
assetBundleLoader.AssetLoaderResultInfor.m_AllNeedLoadAssetRecord.Add(assetFileName);
}
assetBundleLoader.LoadAndRecordAsset(assetBundleLoader.AssetLoaderResultInfor, assetBundleState, isloadSceneAsset); //加载已经加载的AssetBundle 中的资源
assetBundleLoader.OnCompleteLoad(assetBundleLoader.IsError, assetBundleLoader.Description, null, true); //如果当前加载器已经完成加载 则手动触发事件
return(assetBundleLoader); //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
}
if (assetBundleLoader.LoadassetModel == LoadAssetModel.Async)
{
assetBundleLoader.ForceBreakLoaderProcess();
} //结束之前的加载进程
assetBundleLoader.LoadassetModel = LoadAssetModel.Sync;
assetBundleLoader.AssetLoaderResultInfor.SetAssetName(url, assetBundleState);
assetBundleLoader.m_LoadAssetCoroutine = null;
if (string.IsNullOrEmpty(assetFileName) == false)
{
assetBundleLoader.AssetLoaderResultInfor.m_AllNeedLoadAssetRecord.Add(assetFileName);
}
assetBundleLoader.LoadAssetBundleSync(url, assetFileName, assetBundleState, isloadSceneAsset);
return(assetBundleLoader);
}
/// <summary>
/// 加载AssetBundle 资源
/// </summary>
/// <param name="url">相对于AseetBundle 资源存放路径的路径 (如果是打包成整个预制体则是整个预制体的路径)</param>
/// <param name="assetFileName">实际加载AssetBundle 时候的文件名称(考虑到加载整个AssetBundle 中一个资源的情况)</param>
/// <param name="onCompleteAct">加载完成回调</param>
/// <param name="isloadSceneAsset"> 如果加载的是场景 则这里必须填true ,否则false</param>
/// <returns></returns>
private static NewAssetBundleLoader3 LoadAssetBundleAssetAsync(string url, string assetFileName, AssetBundleExitState assetBundleState, bool isloadSceneAsset)
{
if (string.IsNullOrEmpty(url) || string.IsNullOrEmpty(assetFileName))
{
Debug.LogError(string.Format("Url Can't Be Null , TypeLoader={0}", typeof(NewAssetBundleLoader3)));
return(null);
}
if (assetBundleState == AssetBundleExitState.None)
{
Debug.LogError("LoadAssetBundleAssetSync Fail,Not AssetBundle Asset" + url + " assetFileName=" + assetFileName);
return(null);
}
Debug.LogInfor("LoadAssetBundleAsset url=" + url + " assetFileName=" + assetFileName);
bool isLoaderExit = false;
NewAssetBundleLoader3 assetBundleLoader = ResourcesLoaderMgr.GetOrCreateLoaderInstance <NewAssetBundleLoader3>(url, ref isLoaderExit);
assetBundleLoader.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 (assetBundleLoader.IsCompleted)
{
assetBundleLoader.LoadAndRecordAsset(assetBundleLoader.AssetLoaderResultInfor, assetBundleState, isloadSceneAsset);
assetBundleLoader.OnCompleteLoad(assetBundleLoader.IsError, assetBundleLoader.Description, null, true); //如果当前加载器已经完成加载 则手动触发事件
}
else
{
assetBundleLoader.AssetLoaderResultInfor.m_AllNeedLoadAssetRecord.Add(assetFileName); //记录需要加载这个指定的资源
}
return(assetBundleLoader); //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
}
assetBundleLoader.AssetLoaderResultInfor.SetAssetName(url, assetBundleState);
assetBundleLoader.AssetLoaderResultInfor.m_AllNeedLoadAssetRecord.Add(assetFileName); //记录需要加载这个指定的资源
assetBundleLoader.m_LoadAssetCoroutine = EventCenter.Instance.StartCoroutine(assetBundleLoader.LoadAssetBundleASync(url, assetFileName, assetBundleState, isloadSceneAsset));
return(assetBundleLoader);
}
/// <summary>
/// 加载当前AssetBundle 依赖的资源(注意 ： 这里加载成功之后不能直接生成)
/// </summary>
/// <param name="url"></param>
/// <param name="assetBundleLoade"></param>
/// <returns></returns>
protected virtual IEnumerator LoadDepdenceAssetBundleAsync(string url, NewAssetBundleLoader3 depdebceAssetBundleLoader)
{
Debug.Log("LoadDepdenceAssetBundleAsync url=" + url);
depdebceAssetBundleLoader.m_ResourcesUrl = url;
if (System.IO.Path.GetExtension(depdebceAssetBundleLoader.m_ResourcesUrl) != ConstDefine.AssetBundleExtensionName)
{
depdebceAssetBundleLoader.m_ResourcesUrl += ConstDefine.AssetBundleExtensionName; //组合上扩展名
}
string[] dependenceAssets = AssetBundleMgr.Instance.S_AssetBundleManifest.GetAllDependencies(depdebceAssetBundleLoader.m_ResourcesUrl); //获取所有的依赖文件
List <NewAssetBundleLoader3> allDependenceAssetLoader = new List <NewAssetBundleLoader3>(); //所有依赖文件的加载器
foreach (var item in dependenceAssets)
{
bool isLoaderExit = false;
NewAssetBundleLoader3 subAssetBundleLoader = ResourcesLoaderMgr.GetOrCreateLoaderInstance <NewAssetBundleLoader3>(item, ref isLoaderExit);
if (isLoaderExit && subAssetBundleLoader.IsCompleted)
{
Debug.LogEditorInfor("LoadDepdenceAssetBundleAsync Exit ," + item);
continue;
}
allDependenceAssetLoader.Add(subAssetBundleLoader);
Debug.Log("LoadDepdenceAssetBundleAsync allDependenceAssetLoader item=" + item);
EventCenter.Instance.StartCoroutine(LoadDepdenceAssetBundleAsync(item, subAssetBundleLoader));
} //递归加载资源的依赖项
for (int dex = 0; dex < allDependenceAssetLoader.Count; ++dex)
{
while (allDependenceAssetLoader[dex].IsCompleted == false)
{
yield return(null);
}
if (allDependenceAssetLoader[dex].IsError)
{
Debug.LogError("[AssetBundleLoader] LoadDepdenceAssetBundleAsync Fail, 依赖的 AssetBundle " + url + " 资源不存在 " + allDependenceAssetLoader[dex].m_ResourcesUrl);
OnCompleteLoadDepdenceAsset(allDependenceAssetLoader[dex], false,
string.Format("[AssetBundleLoader] LoadAssetBundle Fail,AssetBundle Path={0}" + allDependenceAssetLoader[dex].m_ResourcesUrl), null, true);
yield break;
}
} //判断依赖项是否加载完成
#region AssetBundleCreateRequest 加载
string fileAbsolutelyPath = string.Format("{0}{1}", S_AssetBundleTopPath, url); //当先需要下载的资源的绝对路径
AssetBundleCreateRequest request = AssetBundle.LoadFromFileAsync(fileAbsolutelyPath);
yield return(request);
if (request.isDone)
{
Debug.Log("LoadDepdenceAssetBundleAsync Success depdebceAssetBundleLoader.m_ResourcesUrl=" + depdebceAssetBundleLoader.m_ResourcesUrl);
depdebceAssetBundleLoader.AssetLoaderResultInfor.LoadedAssetBundle = request.assetBundle;
}
else
{
depdebceAssetBundleLoader.AssetLoaderResultInfor.LoadedAssetBundle = null;
Debug.LogError("LoadDepdenceAssetBundleAsync FailAA== " + url);
Debug.LogError("LoadDepdenceAssetBundleAsync Failbb== " + fileAbsolutelyPath);
}
depdebceAssetBundleLoader.OnCompleteLoad(depdebceAssetBundleLoader.AssetLoaderResultInfor.LoadedAssetBundle == null, string.Format("[AssetBundleLoader] Load DepdenceAssetBundel Success {0}", depdebceAssetBundleLoader.m_ResourcesUrl), null, true);
#endregion
//Debug.LogInfor("加载AssetBundle 成功");
yield break;
}
/// <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
}