public void UpdateToNew()
{
if (HasNewVersion)
{
// 读取本地ab包的清单
localAssetBundleList = localManager.AseetBundleList;
// 读取远程ab包的清单
remoteAssetBundleList = remoteManager.AseetBundleList;
IEnumerable <AssetBundleInfo> updateList;
if (localAssetBundleList.Count == 0)
{
updateList = remoteAssetBundleList;
}
else
{
// 获取更新列表
updateList = from remoteab in remoteAssetBundleList
from localab in localAssetBundleList
where localab.HasNewVersion(remoteab) || !localAssetBundleList.Contains(remoteab)
select remoteab;
}
// 开始下载
remoteManager.DownloadAssetBundles(updateList, remoteVersion);
// 清空本地不用的ab包
localManager.Clear(ABUtility.GetDeleteABList(localAssetBundleList, remoteAssetBundleList));
// 写入新的信息文件
localManager.Version = remoteVersion;
localManager.AseetBundleList = remoteAssetBundleList;
}
}
/// <summary>
/// 清除不再使用的ab包
/// </summary>
/// <param name="deleteList"></param>
public void Clear(IEnumerable <ABInfo> oldList, IEnumerable <ABInfo> newList)
{
var deleteList = ABUtility.GetDeleteABList(oldList, newList);
foreach (var name in deleteList)
{
File.Delete(Path.Combine(LocalAssetBundlePath, name));
File.Delete(Path.Combine(LocalAssetBundlePath, name + ".manifest"));
}
// 清除空目录
ABUtility.ClearEmtry(LocalAssetBundlePath);
}
private void Create()
{
if (string.IsNullOrEmpty(Version))
{
throw new InvalidDataException("必须填写版本号");
}
if (Version == GetCurrentVersion())
{
Debug.LogWarning("不使用新的版本号将导致新的版本无法被察觉, 从而导致无法升级");
}
if (!Directory.Exists(OutputPath))
{
Directory.CreateDirectory(OutputPath);
var manifest = BuildPipeline.BuildAssetBundles(OutputPath, BuildAssetBundleOptions.None, EditorUserBuildSettings.activeBuildTarget);
if (manifest)
{
CreateResourceListJsonFile(manifest);
CreateVersionJsonFile();
ABLocalManager.ClearEmtry(OutputPath);
}
else
{
Clear();
}
}
else
{
var ab = AssetBundle.LoadFromFile(Path.Combine(OutputPath, "AssetBundles"));
var oldManifest = ab.LoadAsset <AssetBundleManifest>("AssetBundleManifest");
var oldABList = ABUtility.CreateABListFromManifest(oldManifest);
ab.Unload(true);
var newManifest = BuildPipeline.BuildAssetBundles(OutputPath, BuildAssetBundleOptions.None, EditorUserBuildSettings.activeBuildTarget);
if (newManifest)
{
CreateResourceListJsonFile(newManifest);
CreateVersionJsonFile();
var newABList = ABUtility.CreateABListFromManifest(newManifest);
var deleteList = ABUtility.GetDeleteABList(oldABList, newABList);
foreach (var name in deleteList)
{
File.Delete(Path.Combine(OutputPath, name));
File.Delete(Path.Combine(OutputPath, name + ".manifest"));
}
ABLocalManager.ClearEmtry(OutputPath);
}
else
{
Clear();
}
}
}
