/// <summary>
/// 异步加载AB
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="abName"></param>
/// <param name="assetName"></param>
/// <param name="cb"></param>
/// <returns></returns>
IEnumerator LoadAssetAsync <T>(string abName, string assetName, System.Action <T> cb) where T : Object
{
//AB是否已加载
if (!abLoadedDic.ContainsKey(abName)) //如果还没加载
//先加载依赖项
{
foreach (string item in manifest.GetAllDependencies(abName))
{
yield return(LoadAssetAsync <T>(item, null, null));
}
//加载AB
AssetBundleCreateRequest request = AssetBundle.LoadFromFileAsync(PathHelper.AssetBundlePath + "/" + abName);
while (!request.isDone)
{
yield return(new WaitForSeconds(0.15f));
}
AssetBundleItem abItem = new AssetBundleItem(abName, request.assetBundle, manifest.GetAllDependencies(abName));
abLoadedDic.Add(abName, abItem);
}
else
{
//AB内存已释放
if (abLoadedDic[abName].V_AssetBundle == null)
{
//先加载依赖项
foreach (string item in manifest.GetAllDependencies(abName))
{
yield return(LoadAssetAsync <T>(item, null, null));
}
//加载AB
AssetBundleCreateRequest request = AssetBundle.LoadFromFileAsync(PathHelper.AssetBundlePath + "/" + abName);
yield return(request);
if (request.assetBundle != null)
{
abLoadedDic[abName].V_AssetBundle = request.assetBundle;
}
}
}
if (!string.IsNullOrEmpty(assetName) && cb != null)
{
StartCoroutine(abLoadedDic[abName].LoadAssetAsync <T>(assetName, cb));
}
}
/// <summary>
/// 加载AB
/// </summary>
/// <param name="abName"></param>
/// <returns></returns>
bool LoadAssetBundle(string abName)
{
//AB是否已加载
if (!abLoadedDic.ContainsKey(abName)) //如果还没加载
//先加载依赖项
{
foreach (string item in manifest.GetAllDependencies(abName))
{
if (!LoadAssetBundle(item))
{
return(false);
}
}
//加载AB
AssetBundle ab = AssetBundle.LoadFromFile(PathHelper.AssetBundlePath + "/" + abName);
AssetBundleItem abItem = new AssetBundleItem(abName, ab, manifest.GetAllDependencies(abName));
abLoadedDic.Add(abName, abItem);
return(true);
}
else
{
//AB内存已释放
if (abLoadedDic[abName].V_AssetBundle == null)
{
//先加载依赖项
foreach (string item in manifest.GetAllDependencies(abName))
{
if (!LoadAssetBundle(item))
{
return(false);
}
}
//加载AB
AssetBundle ab = AssetBundle.LoadFromFile(PathHelper.AssetBundlePath + "/" + abName);
abLoadedDic[abName].V_AssetBundle = ab;
return(true);
}
else
{
//AB内存未释放
return(true);
}
}
}