public IEnumerator LoadAB(string abName)
{
ABRelation abRel;
//AB包关系建立
if (!abRelation.ContainsKey(abName))
{
abRel = new ABRelation(abName);
abRelation.Add(abName, abRel);
}
abRel = abRelation[abName];
//得到指定AB包所有依赖关系(查询Manifest清单文件)
string[] strDependeceArray = ABManifestLoader.Instance.RetrivalDependce(abName);
foreach (var item in strDependeceArray)
{
//添加依赖项
abRel.AddDependence(item);
//加载引用项(递归调用)
yield return(LoadReference(item, abName));
}
//加载AB包
if (singleABLoaderCache.ContainsKey(abName))
{
yield return(singleABLoaderCache[abName].LoadAB());
}
else
{
currentSingleABLoader = new SingleAssetLoader(abName, CompleteLoadAB);
singleABLoaderCache.Add(abName, currentSingleABLoader);
yield return(currentSingleABLoader.LoadAB());
}
yield return(null);
}
/// <summary>
/// 加载引用AB包
/// </summary>
/// <param name="abName">ab包名称</param>
/// <param name="refName">被引用AB包名称</param>
/// <returns></returns>
IEnumerator LoadReference(string abName, string refName)
{
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));
}
yield return(null);
}