/// <summary>
/// 外部调用，加载资源用
/// </summary>
/// <param name="abName">AB包名称</param>
/// <param name="assetName">包内资源名称</param>
/// <param name="assetLoadComplete">回调函数</param>
/// <param name="isCache">是否缓存</param>
/// <param name="classify">分类包</param>
public void LoadBundleAsset(string abName, string assetName, Action <UnityEngine.Object> assetLoadComplete, bool isCache = true, BundleClassify classify = BundleClassify.Normal)
{
Action <string> loadCompleteCallback = delegate(string assetBundleName) //AB包加载完成的回调
{
LoadBundleAsset(abName, assetName, assetLoadComplete, isCache, classify);
};
if (!_DicAllScenes.ContainsKey(classify)) //判断当前分类包是否已经创建
{
StartCoroutine(LoadAssetBundlePack(abName, loadCompleteCallback, classify)); //创建分类包加载器并加载给定AB包
return;
}
MultiABMgr tmpMultiABMgr = _DicAllScenes[classify];
if (!tmpMultiABMgr.AssetBundleIsLoaded(abName)) //判断AB包是否已经加载
{
if (tmpMultiABMgr.AssetBundleIsLoading(abName)) //判断AB包是否正在加载
{
tmpMultiABMgr.AddLoadCallBack(abName, loadCompleteCallback);
return;
}
StartCoroutine(tmpMultiABMgr.LoadAssetBundle(abName, loadCompleteCallback)); //加载AB包
return;
}
assetLoadComplete(LoadAsset(abName, assetName, isCache, classify)); //资源加载完成调用回调函数，参数为加载进来的资源
}
}//Method_end
/// <summary>
/// 加载(AB 包中)资源，AB包加载完成之后才能调用
/// </summary>
/// <param name="scenesName">场景名称</param>
/// <param name="abName">AssetBundle 包名称</param>
/// <param name="assetName">资源名称</param>
/// <param name="isCache">是否使用缓存</param>
/// <returns></returns>
private UnityEngine.Object LoadAsset(string abName, string assetName, bool isCache = true, BundleClassify classify = BundleClassify.Normal)
{
if (_DicAllClassify.ContainsKey(classify))
{
MultiABMgr multObj = _DicAllClassify[classify];
return(multObj.LoadAsset(abName, assetName, isCache));
}
Debug.LogError(GetType() + "/LoadAsset()/找不到分类包，无法加载（AB包中）资源,请检查！ scenesName=" + classify);
return(null);
}
/// <summary>
/// 释放资源。
/// </summary>
/// <param name="scenesName">场景名称</param>
public void DisposeAllAssets(BundleClassify classify)
{
if (_DicAllScenes.ContainsKey(classify))
{
MultiABMgr multObj = _DicAllScenes[classify];
multObj.DisposeAllAsset();
}
else
{
Debug.LogError(GetType() + "/DisposeAllAssets()/找不到场景名称，无法释放资源，请检查！ scenesName=" + classify);
}
}
/// <summary>
/// 释放分类包的所有资源。（慎用）
/// </summary>
/// <param name="classify">分类包名称</param>
public void DisposeAllAssets(BundleClassify classify)
{
if (_DicAllClassify.ContainsKey(classify))
{
MultiABMgr multObj = _DicAllClassify[classify];
multObj.DisposeAllAsset();
_DicAllClassify.Remove(classify);
}
else
{
Debug.LogError(GetType() + "/DisposeAllAssets()/找不到分类包名称，无法释放资源，请检查！ classify=" + classify);
}
}
/// <summary>
/// 下载AssetBundle 指定包
/// </summary>
/// <param name="abName">AssetBundle 包名称</param>
/// <param name="loadAllCompleteHandle">委托： 下载完成回调</param>
/// <param name="classify">分类包（类包之间资源应当互不依赖）</param>
/// <returns></returns>
private IEnumerator LoadAssetBundlePack(string abName, Action <string> loadAllCompleteHandle, BundleClassify classify = BundleClassify.Normal)
{
//参数检查
if (string.IsNullOrEmpty(abName))
{
Debug.LogError(GetType() + "/LoadAssetBundlePack()/abName is null ,请检查！");
yield return(null);
}
//等待Manifest清单文件加载完成
while (!ABManifestLoader.Instance.IsLoadFinish)
{
yield return(null);
}
_ManifestObj = ABManifestLoader.Instance.GetManifest();
if (_ManifestObj == null)
{
Debug.LogError(GetType() + "/LoadAssetBundlePack()/_ManifestObj is null ,请先确保加载Manifest清单文件！");
yield return(null);
}
//把当前AB分类包加入集合中。
if (!_DicAllClassify.ContainsKey(classify))
{
MultiABMgr multiMgrObj = new MultiABMgr(abName);
_DicAllClassify.Add(classify, multiMgrObj);
}
//调用下一层（“多包管理类”）
MultiABMgr tmpMultiMgrObj = _DicAllClassify[classify];
if (tmpMultiMgrObj == null)
{
Debug.LogError(GetType() + "/LoadAssetBundlePack()/tmpMultiMgrObj is null ,请检查！");
}
//调用“多包管理类”的加载指定AB包。
yield return(tmpMultiMgrObj.LoadAssetBundle(abName, loadAllCompleteHandle));
}//Method_end
/// <summary>
/// 外部调用，加载资源用
/// </summary>
/// <param name="abName">AB包名称</param>
/// <param name="assetName">包内资源名称</param>
/// <param name="assetLoadComplete">回调函数</param>
/// <param name="isCache">是否缓存</param>
/// <param name="classify">分类包</param>
public void LoadBundleAsset(string abName, string assetName, Action <UnityEngine.Object> assetLoadComplete, bool isCache = true, BundleClassify classify = BundleClassify.Normal)
{
Action <string> loadCompleteCallback = delegate(string assetBundleName) //AB包加载完成的回调
{
LoadBundleAsset(abName, assetName, assetLoadComplete, isCache, classify);
};
if (!_DicAllClassify.ContainsKey(classify)) //判断当前分类包是否已经创建
{
StartCoroutine(LoadAssetBundlePack(abName, loadCompleteCallback, classify)); //创建分类包加载器并加载给定AB包
return;
}
MultiABMgr tmpMultiABMgr = _DicAllClassify[classify];
if (!tmpMultiABMgr.AssetBundleIsLoaded(abName)) //判断AB包是否已经加载
{
if (tmpMultiABMgr.AssetBundleIsLoading(abName)) //判断AB包是否正在加载
{
tmpMultiABMgr.AddLoadCallBack(abName, loadCompleteCallback);
return;
}
StartCoroutine(tmpMultiABMgr.LoadAssetBundle(abName, loadCompleteCallback)); //加载AB包
return;
}
// 如果ab路径的扩展名是.u3dscene说明加载的是场景，则只加载ab包，不加载ab资源（场景（scene）不需要加载资源，只需要加载包）
if (Path.GetExtension(abName) == ".u3dscene")
{
assetLoadComplete(null); //资源加载完成调用回调函数
}
else
{
assetLoadComplete(LoadAsset(abName, assetName, isCache, classify)); //资源加载完成调用回调函数，参数为加载进来的资源（若AB包已经加载了，则这是一个同步加载）
}
}