public static async Task BuildAssetInfoManifestPackage(string exportPath, string assetBundlePath, string aesKey, string aesIv)
{
var assetInfo = AssetInfoManifest.GetManifestAssetInfo();
var cryptoKey = new AesCryptoStreamKey(aesKey, aesIv);
var task = CreateBuildTask(exportPath, assetBundlePath, assetInfo, true, cryptoKey);
await task;
}
public static async Task BuildAllAssetBundlePackage(string exportPath, string assetBundlePath, AssetInfo[] assetInfos, AssetInfo[] updatedAssetInfos, string aesKey, string aesIv)
{
var isBatchMode = Application.isBatchMode;
var cryptoKey = new AesCryptoStreamKey(aesKey, aesIv);
using (new DisableStackTraceScope(LogType.Log))
{
var count = 0;
var logBuilder = new StringBuilder();
var chunkedAssetInfos = assetInfos.Chunk(25);
foreach (var infos in chunkedAssetInfos)
{
var tasks = new List <Task>();
foreach (var info in infos)
{
var assetInfo = info;
if (assetInfo == null)
{
continue;
}
var createPackage = updatedAssetInfos.Contains(assetInfo);
var assetBundleName = assetInfo.AssetBundle.AssetBundleName;
var buildTask = CreateBuildTask(exportPath, assetBundlePath, assetInfo, createPackage, cryptoKey);
var task = Task.Run(async() =>
{
await buildTask;
if (isBatchMode)
{
Debug.LogFormat(assetBundleName);
}
else
{
lock (logBuilder)
{
logBuilder.AppendLine(assetBundleName);
count++;
if (25 < count)
{
Debug.Log(logBuilder.ToString());
logBuilder.Clear();
count = 0;
}
}
}
});
if (task != null)
{
tasks.Add(task);
}
}
await Task.WhenAll(tasks);
}
if (!isBatchMode && count != 0)
{
Debug.Log(logBuilder.ToString());
}
}
}
private static Task CreateBuildTask(string exportPath, string assetBundlePath, AssetInfo assetInfo, bool createPackage, AesCryptoStreamKey cryptoKey)
{
if (assetInfo == null)
{
return(null);
}
var task = Task.Run(async() =>
{
try
{
// アセットバンドルファイルパス.
var assetBundleFilePath = PathUtility.Combine(assetBundlePath, assetInfo.AssetBundle.AssetBundleName);
if (!File.Exists(assetBundleFilePath))
{
throw new FileNotFoundException(assetBundleFilePath);
}
// 作成するパッケージファイルのパス.
var packageFilePath = Path.ChangeExtension(assetBundleFilePath, AssetBundleManager.PackageExtension);
// パッケージを作成.
if (!File.Exists(packageFilePath) || createPackage)
{
await CreatePackage(assetBundleFilePath, packageFilePath, cryptoKey);
}
// 出力先にパッケージファイルをコピー.
await ExportPackage(exportPath, assetBundleFilePath, assetInfo);
}
catch (Exception exception)
{
Debug.LogException(exception);
}
});
return(task);
}
/// <summary> パッケージファイル化(暗号化). </summary>
private static async Task CreatePackage(string assetBundleFilePath, string packageFilePath, AesCryptoStreamKey cryptoKey)
{
// アセットバンドル読み込み.
byte[] data = null;
using (var fileStream = new FileStream(assetBundleFilePath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
data = new byte[fileStream.Length];
await fileStream.ReadAsync(data, 0, data.Length);
}
// 暗号化・書き込み.
using (var fileStream = new FileStream(packageFilePath, FileMode.Create, FileAccess.Write, FileShare.ReadWrite))
{
using (var aesStream = new SeekableCryptoStream(fileStream, cryptoKey))
{
aesStream.Write(data, 0, data.Length);
}
}
}
/// <summary>
/// 暗号化キー設定.
/// Key,IVがModules.ExternalResource.Editor.ManageConfigのAssetのCryptKeyと一致している必要があります.
/// </summary>
/// <param name="key">暗号化Key(32文字)</param>
/// <param name="iv">暗号化IV(16文字)</param>
public void SetCryptoKey(string key, string iv)
{
cryptoKey = new AesCryptoStreamKey(key, iv);
}
