/// <summary>
/// 加载AB包
/// </summary>
/// <param name="abName">AB包名</param>
/// <returns></returns>
public IEnumerator LoadAssetBundle(string abName)
{
if (!_DicABRelaton.ContainsKey(abName))
{
ABRelation abRelationObj = new ABRelation(abName);
_DicABRelaton.Add(abName, abRelationObj);
}
ABRelation tmpABRelationObj = _DicABRelaton[abName];
//得到指定AB包所有的依赖关系
string[] strDependenceArray = ABManifestLoader.GetInstance().RetrivalDependence(abName);
foreach (string item_Dependence in strDependenceArray)
{
//添加依赖
tmpABRelationObj.AddDependence(item_Dependence);
//添加引用 递归
yield return(LoadReference(item_Dependence, abName));
}
//真正加载AB包
if (_DicSingleABLoaderCache.ContainsKey(abName))
{
yield return(_DicSingleABLoaderCache[abName].LoadAssetBundle());
}
else
{
_CurrentSingleABLoader = new SingleABLoader(abName, CompleteLoadAB);
_DicSingleABLoaderCache.Add(abName, _CurrentSingleABLoader);
yield return(_CurrentSingleABLoader.LoadAssetBundle());
}
}
/// <summary>
/// 加载引用AB包
/// </summary>
/// <param name="abName"></param>
/// <returns></returns>
private IEnumerator LoadReference(string abName, string refABName)
{
//ab依赖包已经加载，依赖包的引用包就是它自己
if (_DicABRelaton.ContainsKey(abName))
{
ABRelation tmpABRelationObj = _DicABRelaton[abName];
tmpABRelationObj.AddReference(refABName);
}
else
{
//依赖包未加载，就直接添加引用包，加载依赖包
ABRelation tmpABRelationObj = new ABRelation(abName);
tmpABRelationObj.AddReference(refABName);
_DicABRelaton.Add(abName, tmpABRelationObj);
//开始加载依赖的包
yield return(LoadAssetBundle(abName));
}
}
}//Method_end
/// <summary>
/// 加载引用AB包
/// </summary>
/// <param name="abName">AB包名称</param>
/// <param name="refABName">被引用AB包名称</param>
/// <returns></returns>
private IEnumerator LoadReference(string abName, string refABName)
{
//AB包已经加载
if (_DicABRelation.ContainsKey(abName))
{
ABRelation tmpABRelationObj = _DicABRelation[abName];
//添加AB包引用关系（被依赖）
tmpABRelationObj.AddReference(refABName);
}
else
{
ABRelation tmpABRelationObj = new ABRelation(abName);
tmpABRelationObj.AddReference(refABName);
_DicABRelation.Add(abName, tmpABRelationObj);
//开始加载依赖的包(这是一个递归调用)
yield return(LoadAssetBundeler(abName));
}
}