/// <summary>
/// 加载 AB 包（包括依赖项）
/// </summary>
/// <param name="abName"></param>
/// <returns></returns>
public IEnumerator LoadAssetBundle(string abName)
{
// AB 包关系的建立
if (_DicABRelation.ContainsKey(abName) == false)
{
ABRelation abRelationObj = new ABRelation(abName);
_DicABRelation.Add(abName, abRelationObj);
}
ABRelation tmpABRelationObj = _DicABRelation[abName];
// 得到指定AB所有的依赖关系（查询Manifest清单文件）
string[] strDependencyArray = ABManifestLoader.GetInstance().RetrivalDependency(abName);
foreach (string item_Dependency in strDependencyArray)
{
// 添加“依赖项”
tmpABRelationObj.AddDependency(item_Dependency);
// 添加引用(背以来) （方便递归调用）
yield return(LoadReference(item_Dependency, abName));
}
// 真正加载 AB 包
if (_DicSingleABLoaderCache.ContainsKey(abName) == true)
{
yield return(_DicSingleABLoaderCache[abName].LoadAssetBundle());
}
else
{
_CurrentSingleABLoader = new SingleABLoader(abName, CompleteLoadAB);
_DicSingleABLoaderCache.Add(abName, _CurrentSingleABLoader);
yield return(_CurrentSingleABLoader.LoadAssetBundle());
}
}
/// <summary>
/// 获得本类实例
/// </summary>
/// <returns></returns>
public static ABManifestLoader GetInstance()
{
if (_Instance == null)
{
_Instance = new ABManifestLoader();
}
return(_Instance);
}
/// <summary>
/// 下载 指定 AssetBundle 包
/// </summary>
/// <param name="sceneName"></param>
/// <param name="abName"></param>
/// <param name="loadAllComplete"></param>
/// <returns></returns>
public IEnumerator LoadAssetBundlePack(string sceneName, string abName, DelLoadComplete loadAllComplete)
{
// 参数检查
if (string.IsNullOrEmpty(sceneName) == true || string.IsNullOrEmpty(abName) == true)
{
Debug.LogError(GetType() + "/LoadAssetBundlePack()/sceneName or is null，请检查");
yield return(null);
}
// 等待 Manifest 清单文件加载完成
while (ABManifestLoader.GetInstance().IsLoadFinished == false)
{
yield return(null);
}
_ManifestObj = ABManifestLoader.GetInstance().GetABManifest();
if (_ManifestObj == null)
{
Debug.LogError(GetType() + "/LoadAssetBundlePack()/_ManifestObj is null,请先确保加载 Manifest 清单文件");
yield return(null);
}
if (_DicAllScenes.ContainsKey(sceneName) == false)
{
MultiABManager multiABManagerObj = new MultiABManager(sceneName, abName, loadAllComplete);
_DicAllScenes.Add(sceneName, multiABManagerObj);
}
// 多包管理类
MultiABManager tmpMultiABMgrObj = _DicAllScenes[sceneName];
if (tmpMultiABMgrObj == null)
{
Debug.LogError(GetType() + "/LoadAssetBundlePack()/tmpMultiABMgrObj is null,请检查");
}
yield return(tmpMultiABMgrObj.LoadAssetBundle(abName));
}
private void Awake()
{
// 加载 Manifest 清单文件
StartCoroutine(ABManifestLoader.GetInstance().LoadManifest());
}