/// <summary>
/// 过滤需下载文件，除去本地已有文件
/// </summary>
public static void FilterDownloadAssetBundleInfos()
{
List <string> itemToRemove = new List <string>();
if (DowloadAssetBundleInfos != null)
{
foreach (var item in DowloadAssetBundleInfos)
{
string path = Path.Combine(AssetBundleUtility.LocalAssetBundlePath, item.Value.MD5);
if (File.Exists(path) && AssetBundleUtility.GetMD5HashFromFile(path) == item.Value.MD5)
{
itemToRemove.Add(item.Key);
}
}
}
foreach (var item in itemToRemove)
{
DowloadAssetBundleInfos.Remove(item);
}
}
static public void UpdateResourcesFiles()
{
string patchesOutputPathPlatform = Path.Combine(PatchesOutputPath, AssetBundleUtility.GetPlatformName());
string resourcesOutputPath = Path.Combine(patchesOutputPathPlatform, AssetBundleUtility.ResourcesFolderName);
string assetBundlesOutputPath = Path.Combine(AssetBundlesOutputPath, AssetBundleUtility.GetPlatformName());
if (!Directory.Exists(resourcesOutputPath))
{
Directory.CreateDirectory(resourcesOutputPath);
}
//获取资源目录下现有文件列表
DirectoryInfo dirInfo = new DirectoryInfo(resourcesOutputPath);
FileInfo[] fileInfos = dirInfo.GetFiles();
Dictionary <string, FileInfo> files = new Dictionary <string, FileInfo>();
foreach (var item in fileInfos)
{
files.Add(item.Name, item);
}
if (files.ContainsKey(AssetBundleUtility.VersionFileName))
{
files.Remove(AssetBundleUtility.VersionFileName);
}
string error = string.Empty;
//获取现有文件的资源版本
Int64 versionIDOld = 0;
string oldVersionFilePath = Path.Combine(resourcesOutputPath, AssetBundleUtility.VersionFileName);
if (File.Exists(oldVersionFilePath))
{
Dictionary <string, AssetBundleInfo> assetBundleInfosOld = new Dictionary <string, AssetBundleInfo>();
byte[] bytesOld = File.ReadAllBytes(oldVersionFilePath);
if (!AssetBundleUtility.ResolveEncryptedVersionData(bytesOld, ref assetBundleInfosOld, out versionIDOld, out error))
{
Debug.LogError("resolve old version file failed: " + error);
return;
}
}
//获取最新AssetBundle文件信息
Int64 versionID;
Dictionary <string, AssetBundleInfo> assetBundleInfos = new Dictionary <string, AssetBundleInfo>();
byte[] bytes = File.ReadAllBytes(Path.Combine(assetBundlesOutputPath, AssetBundleUtility.VersionFileName));
if (!AssetBundleUtility.ResolveDecryptedVersionData(bytes, ref assetBundleInfos, out versionID, out error))
{
Debug.LogError("resolve version file failed: " + error);
return;
}
//StringBuilder keepFilesSB = new StringBuilder("Keep Files:\n");
StringBuilder addFilesSB = new StringBuilder("Add Files:\n");
StringBuilder deleteFilesSB = new StringBuilder("Delet Files:\n");
List <AssetBundleInfo> addFiles = new List <AssetBundleInfo>();
int index = 0;
foreach (var item in assetBundleInfos)
{
index++;
if (files.ContainsKey(item.Value.MD5))//已有文件
{
files.Remove(item.Value.MD5);
//keepFilesSB.AppendFormat("\t{0}\t{1}\n", item.Key, item.Value.MD5);
}
else//新文件
{
File.Copy(Path.Combine(assetBundlesOutputPath, item.Key), Path.Combine(resourcesOutputPath, item.Value.MD5), true);
addFiles.Add(item.Value);
addFilesSB.AppendFormat("\t{0}\t{1}\n", item.Key, item.Value.MD5);
}
EditorUtility.DisplayProgressBar("Copy New File", string.Format("{0}/{1} {2}", index, assetBundleInfos.Count, item.Value.MD5), index / (float)assetBundleInfos.Count);
}
//删除旧文件
index = 0;
foreach (var item in files)
{
index++;
File.Delete(item.Value.FullName);
deleteFilesSB.AppendFormat("\t{0}\n", item.Key);
EditorUtility.DisplayProgressBar("Delete Old File", string.Format("{0}/{1} {2}", index, files.Count, item.Value.Name), index / (float)files.Count);
}
string hintText = "Already up-to-date";
//有增加文件或删除文件，则认为文件有变动
if (addFiles.Count > 0 || files.Count > 0)
{
//写入version文件
File.WriteAllBytes(Path.Combine(resourcesOutputPath, AssetBundleUtility.VersionFileName), AssetBundleUtility.Encrypt(bytes, AssetBundleUtility.SecretKey));
//生成补丁包
string pathFileName = Path.Combine(patchesOutputPathPlatform, string.Format("{0}-{1}.zip", versionIDOld, versionID));
index = 0;
foreach (var item in addFiles)
{
index++;
EditorUtility.DisplayProgressBar("Build Patch File", string.Format("{0}/{1} {2}", index, addFiles.Count, item.MD5), index / (float)addFiles.Count);
int res = lzip.compress_File(LevelOfCompression, pathFileName, Path.Combine(resourcesOutputPath, item.MD5), true);
if (res < 0)
{
EditorUtility.DisplayDialog("Update Resources Files", string.Format("Compression Failed - fileName: {0}, errorCode: {1}", item.MD5, res), "OK");
return;
}
}
int res1 = lzip.compress_File(LevelOfCompression, pathFileName, Path.Combine(resourcesOutputPath, AssetBundleUtility.VersionFileName), true);
if (res1 < 0)
{
EditorUtility.DisplayDialog("Update Resources Files", string.Format("Compression Failed - fileName: {0}, errorCode: {1}", AssetBundleUtility.VersionFileName, res1), "OK");
return;
}
//patchList
string patchFileMD5 = AssetBundleUtility.GetMD5HashFromFile(pathFileName);
long patchFileSize = new FileInfo(pathFileName).Length;
File.AppendAllText(Path.Combine(patchesOutputPathPlatform, AssetBundleUtility.PatchListFileName),
string.Format("{0}\t{1}\t{2}\t{3}\n", versionIDOld, versionID, patchFileMD5, patchFileSize));
//changelog
string changeLog = string.Format("Version.{0} - Version.{1}\n\n{2}{3}\n\n\n", versionIDOld, versionID, addFilesSB.ToString(), deleteFilesSB.ToString());
File.AppendAllText(Path.Combine(patchesOutputPathPlatform, ChangeLogFileName), changeLog, Encoding.UTF8);
hintText = string.Format("Update Success: {0}", pathFileName);
}
EditorUtility.ClearProgressBar();
if (!EditorUtility.DisplayDialog("Update Resources Files", hintText, "OK", "Open Contain Folder"))
{
System.Diagnostics.Process.Start("explorer.exe", "/select," + Path.GetFullPath(patchesOutputPathPlatform));
}
}