/// <summary>
/// 加载AssetBundle的方法
/// </summary>
/// <param name="abName">要加载AssetBundle的名称</param>
/// <returns></returns>
public IEnumerator LoadAssetBundle(string abName) {
// AssetBundle关系的建立
if (!_relationDict.ContainsKey(abName)) {
AssetBundleRelation relation = new AssetBundleRelation(abName);
_relationDict.Add(abName, relation);
}
AssetBundleRelation tmpRelation = _relationDict[abName];
// 获得所有的依赖关系
string[] depend = AssetBundleManifestLoader.GetInstance().RetrivalDepend(abName);
foreach (string itemDepend in depend) {
tmpRelation.AddDepend(itemDepend); // 添加依赖项
yield return LoadReference(itemDepend, abName); // 添加引用项
}
// 进行AssetBundle加载
if (_loaderCacheDict.ContainsKey(abName)) { // 加载过了
yield return _loaderCacheDict[abName].LoadABWWW(); // 加载AssetBundle
}
else {
_currSingleAssetBundleLoader = new SingleAssetBundleLoader(abName, CompleteLoadSingle);
_loaderCacheDict.Add(abName, _currSingleAssetBundleLoader);
yield return _currSingleAssetBundleLoader.LoadABWWW();
}
yield return null;
}
/// <summary>
/// 添加引用AssetBundle
/// </summary>
/// <param name="abName">AssetBundle名称</param>
/// <param name="refAbName">被引用的AssetBundle名称</param>
/// <returns></returns>
private IEnumerator LoadReference(string abName, string refAbName) {
if (_relationDict.ContainsKey(abName)) { // AssetBundle已经加载
AssetBundleRelation tmpRelation = _relationDict[abName];
tmpRelation.AddReference(refAbName); // 添加引用关系
}
else {
AssetBundleRelation tmpRelation = new AssetBundleRelation(abName);
tmpRelation.AddReference(refAbName);
_relationDict.Add(abName, tmpRelation);
yield return LoadAssetBundle(abName); // 加载依赖包
}
yield return null;
}
