/// <summary>
/// 加载AB包
/// </summary>
/// <param name="abName">AB包包名</param>
public IEnumerator LoadAB(string abName, LoadAssetFromWhere where = LoadAssetFromWhere.OnLine)
{
ABRelation rela;
//建立AB包关系
if (!_abRelation.ContainsKey(abName))
{
rela = new ABRelation(abName);
_abRelation.Add(abName, rela);
}
rela = _abRelation[abName];
//获取AB包的所有依赖关系
string[] dependeceArr = ABManifestLoader.Instance.GetDependce(abName);
foreach (var cell in dependeceArr)
{
//添加依赖项
rela.AddDependence(cell);
//加载引用项
yield return(LoadReference(cell, abName, where));
}
//加载AB包
if (_singleABLoaderCache.ContainsKey(abName))
{
yield return(_singleABLoaderCache[abName].LoadAB());
}
else
{
_currentSingleABLoader = new SingleAssetBundleLoader(abName, CompleteLoadAB, where);
_singleABLoaderCache.Add(abName, _currentSingleABLoader);
yield return(_currentSingleABLoader.LoadAB());
}
yield return(null);
}
/// <summary>
/// 加载引用AB包
/// </summary>
IEnumerator LoadReference(string abName, string refName, LoadAssetFromWhere where)
{
ABRelation tmpABRelation;
if (_abRelation.ContainsKey(abName))
{
tmpABRelation = _abRelation[abName];
//添加AB包引用关系(被依赖)
tmpABRelation.AddReference(refName);
}
else
{
tmpABRelation = new ABRelation(abName);
tmpABRelation.AddReference(refName);
_abRelation.Add(abName, tmpABRelation);
//开始加载依赖包(递归)
yield return(LoadAB(abName, where));
}
yield return(null);
}