public static bool GenPatchPackages(string oldResDir, string newResDir)
{
if (!Directory.Exists(oldResDir) || !Directory.Exists(newResDir))
{
return(false);
}
var oldResVer = GetResVersion(oldResDir);
var newResVer = GetResVersion(newResDir);
if (oldResVer == null || newResVer == null)
{
Debug.LogError("资源版本信息加载失败");
return(false);
}
if (oldResVer > newResVer)
{
Debug.LogErrorFormat("oldResVer > newResVer:{0} {1}", oldResVer, newResVer);
return(false);
}
else if (oldResVer == newResVer)
{
//最新版本资源，无需生成补丁包
GenLastestPatchInfo(newResVer);
return(true);
}
string platformName = ResManager.GetBuildPlatformName();
var oldManifest = LoadAssetBundleManifest(oldResDir + "/" + platformName);
var newManifest = LoadAssetBundleManifest(newResDir + "/" + platformName);
var oldBundleNames = oldManifest.GetAllAssetBundles();
var newBundleNames = newManifest.GetAllAssetBundles();
var allNameSet = new HashSet <string>(oldBundleNames);
allNameSet.UnionWith(newBundleNames);
var patchedNames = new List <string>();
var sb = new StringBuilder();
int index = 0;
foreach (var bundleName in allNameSet)
{
string oldResPath = oldResDir + "/" + bundleName;
string newResPath = newResDir + "/" + bundleName;
bool oldResExists = File.Exists(oldResPath);
bool newResExists = File.Exists(newResPath);
if (oldResExists && newResExists)
{
//新旧版本都存在的，读取Bundle的Hash和CRC判断
var oldHash = oldManifest.GetAssetBundleHash(bundleName);
var newHash = newManifest.GetAssetBundleHash(bundleName);
if (oldHash != newHash)
{
patchedNames.Add(bundleName);
sb.AppendFormat("[Patched] 新旧Hash值不一致：{0}\n{1}\n{2}\n\n", bundleName, oldHash, newHash);
}
else
{
uint oldCRC;
uint newCRC;
BuildPipeline.GetCRCForAssetBundle(oldResPath, out oldCRC);
BuildPipeline.GetCRCForAssetBundle(newResPath, out newCRC);
if (oldCRC != newCRC)
{
patchedNames.Add(bundleName);
sb.AppendFormat("[Patched] 新旧CRC值不一致：{0}\n{1}\n{2}\n\n", bundleName, oldCRC, newCRC);
}
else
{
sb.AppendFormat("[ignored] 资源未变更：{0}\n{1}\n{2}\n\n", bundleName, newHash, newCRC);
}
}
}
else if (!oldResExists && newResExists)
{
patchedNames.Add(bundleName);
sb.AppendFormat("[Patched] 新增版本资源：{0}\n\n", bundleName);
}
else if (oldResExists)
{
sb.AppendFormat("[ignored] 新版本资源被移除或者BundleName变更：{0}\n\n", bundleName);
}
else
{
throw new Exception(string.Format("[Error] Backup目录文件被异常删除：{0}\n\n", newResPath));
}
index++;
EditorUtility.DisplayProgressBar("对比Bundle包版本信息", String.Format(" {0} / {1} ", index, allNameSet.Count),
index / (float)allNameSet.Count);
}
Debug.Log(sb);
if (patchedNames.Count > 0)
{
string patchDir = string.Format("{0}/patch_{1}_{2}", PatchExportPath, oldResVer, newResVer);
EditorUtility.DisplayProgressBar("生成补丁包中", patchDir, 0);
if (Directory.Exists(patchDir))
{
Directory.Delete(patchDir, true);
}
//AssetBundleManifest也需要拷贝
Dictionary <string, string> fileHash = new Dictionary <string, string>();
patchedNames.Add(ResManager.GetBuildPlatformName());
foreach (var patchedName in patchedNames)
{
string patchFile = patchDir + "/" + patchedName;
CopyFile(newResDir + "/" + patchedName, patchFile);
fileHash[patchedName] = SHA256Hashing.HashFile(patchFile);
}
string zipFile = patchDir + ".zip";
ZipTool.CompressFolder(zipFile, patchDir);
string zipHash = MD5Hashing.HashFile(zipFile);
long fileSize = new FileInfo(zipFile).Length;
string finalZipFile = string.Format("{0}-{1}.zip", patchDir, zipHash);
if (File.Exists(finalZipFile))
{
File.Delete(finalZipFile);
}
File.Move(zipFile, finalZipFile);
var patchInfo = new PatchInfo
{
version = oldResVer.ToString(),
nextVer = newResVer.ToString(),
hash = zipHash,
fileSize = fileSize,
fileName = Path.GetFileName(finalZipFile),
fileHash = fileHash,
};
string jsonPath = string.Format("{0}/{1}_{2}.json", PatchExportPath, ResourceModuleConfig.PatchInfoPrefix, oldResVer);
FileExt.SaveJsonObj(patchInfo, jsonPath, false, true);
Directory.Delete(patchDir, true);
Debug.Log("Build Patch Package:" + finalZipFile);
}
else
{
Debug.Log("Build Patch Package Skip!!!");
}
EditorUtility.ClearProgressBar();
return(true);
}
