/// <summary>
/// 创建文件 参数1：文件路径 参数2：文件数据 参数3：是否覆盖创建
/// </summary>
public static bool CreateFile(string path, byte[] data, bool overCreate)
{
try
{
if (overCreate && File.Exists(path))
{
File.Delete(path);
}
using (FileStream fs = new FileStream(path, FileMode.OpenOrCreate))
{
if (data != null)
{
fs.Write(data, 0, data.Length);
}
fs.Close();
}
DebugManager.Log(path + "文件创建成功！");
return(true);
}
catch (Exception e)
{
DebugManager.LogError(path + "文件创建失败！error:" + e.Message);
}
return(false);
}
/// <summary>
/// 安卓解包过程
/// </summary>
private IEnumerator StartAndroidUnPack(AssetBundleDownloadTaskModel taskModel, Action onComplete)
{
string resDicUrl = ABDataConfig.AppAssetBundleDirName; //安卓包资源路径
string targetDicUrl = ABDataConfig.localABFullName; //目标路径
string[] copyFile = new string[]
{
ABDataConfig.localCacheFileName,
ABDataConfig.localDepFileName,
};
//先拷贝cache.txt 与dep.file文件
taskModel.taskMessage = "解压配置文件";
yield return(CopyAssetBundle(resDicUrl, targetDicUrl, copyFile));
//解析dep文件 得到所有的ab 名字
var abNames = AssetBundleDepFileManager.ResolveDepFile(targetDicUrl + copyFile[1]);
//添加mainfest文件
int count = abNames.Count;
for (int i = 0; i < count; ++i)
{
abNames.Add(abNames[i] + ABDataConfig.assetBundleManifestFilePostfixName);
}
//在拷贝所有ab文件
taskModel.taskMessage = "解压ab文件";
yield return(CopyAssetBundle(resDicUrl, targetDicUrl, abNames));
DebugManager.Log("解包完成！");
taskModel.taskMessage = "解包完成";
yield return(0);
onComplete();
}
/// <summary>
/// 解包过程 参数1：任务model 参数2：回调
/// </summary>
private void StartUnPack(AssetBundleDownloadTaskModel taskModel, Action onComplete)
{
taskModel.taskMessage = "检查安装包资源";
var localAbFullName = ABDataConfig.localABFullName;
if (!Directory.Exists(localAbFullName))
{
taskModel.taskMessage = "开始解包";
Directory.CreateDirectory(localAbFullName);
DebugManager.Log(localAbFullName + "文件夹不存在，自动创建！开始解包！");
if (Application.platform == RuntimePlatform.Android)
{
//安卓环境下必须用www访问StreamingAssets文件夹下的文件
StartCoroutine(StartAndroidUnPack(taskModel, onComplete));
}
else
{
Util.CopyDirectoryToOtherDir(ABDataConfig.AppAssetBundleDirName, localAbFullName);
DebugManager.Log("解包完成！");
taskModel.taskMessage = "解包完成";
onComplete();
}
}
else
{
DebugManager.Log(localAbFullName + "文件夹存在！不需要解包！");
onComplete();
}
}
/// <summary>
/// 删除文件
/// </summary>
public static void DeleteFile(string path)
{
if (File.Exists(path))
{
File.Delete(path);
DebugManager.Log(path + "文件删除成功！");
}
}
private Dictionary <string, AssetBundleData> curentDepFileABDataDic = null;//dep.all 读取出来的数据
#endregion
#region 公有方法
public void GetUpdateDownLoadDepFile(string serveDepUrl, Action onComplete)
{
//下载服务器dep.all文件
Util.DownLoadFileText(serveDepUrl, (serveDepFileText) =>
{
//比较dep文件，形成dep链表
CompareDepFile(serveDepFileText);
DebugManager.Log("dep 文件解析完毕！");
onComplete();
}, this);
}
/// <summary>
/// 比较本地ab的cache.txt文件的文本与服务器的文本得出差异
/// 参数1：本地cache.txt文本 参数2：服务器cache.txt 文本
/// </summary>
private void GetUpdateDownLoadAssetBundles(string localCacheFileText, string serverCacheFileText)
{
if (string.IsNullOrEmpty(serverCacheFileText))
{
DebugManager.LogError("服务器 cache.txt 的文本存在空值！serverCacheFileText:" + serverCacheFileText);
return;
}
if (serverCacheFileText.Equals(localCacheFileText))
{
DebugManager.LogWarning("cache.txt 本地与服务器文本相同,不做比较，继续更新！ localCacheFileText:" + localCacheFileText + "serverCacheFileText:" + serverCacheFileText);
//return;
}
var serverCacheFileData = ResolveCacheFile(serverCacheFileText);//服务器cache.txt数据
//Dictionary<string, CacheFileDataModel> localCacheFileData = null;
//if (localCacheFileText == null)
//{
// localCacheFileData = new Dictionary<string, CacheFileDataModel>();
//}
//else
//{
// localCacheFileData = ResolveCacheFile(localCacheFileText);//本地cache.txt数据
//}
if (waitDownloadAssetBundleList == null)
{
waitDownloadAssetBundleList = new List <AssetBundleDownloadModel>();
}
//对比服务器与本地的数据
foreach (var v in serverCacheFileData)
{
var tempABData = AssetBundleDepFileManager.Instance.GetAssetBundleDataOfABFullName(v.Key); //dep.ll 文件中的ab信息
var tempFileUrl = ABDataConfig.localABFullName + tempABData.fullName; //源资源文件路径
//得到ab文件与ab依赖文件的哈希值组合
var tempFileHash = HashUtil.GetFileHash(tempFileUrl) + "|" + HashUtil.GetFileHash(tempFileUrl + ABDataConfig.assetBundleManifestFilePostfixName);
if (v.Value.fileHash.Equals(tempFileHash))
{
DebugManager.Log(tempABData.fullName + " " + v.Key + " 资源文件与依赖文件哈希值与服务器一致！不用更新！");
continue;
}
DebugManager.Log(tempABData.fullName + " " + v.Key + " 需要更新！添加到更新列表！");
waitDownloadAssetBundleList.Add(new AssetBundleDownloadModel
{
assetBundleFileName = tempABData.fullName,
assetBundleManifestFileName = tempABData.fullName + ABDataConfig.assetBundleManifestFilePostfixName,
assetBundleName = tempABData.debugName,
});
}
}
/// <summary>
/// 比较本地ab的dep.all文件的文本与服务器的文本得出差异
/// 参数1：服务器dep.all文本
/// </summary>
private void CompareDepFile(string serveDepFileText)
{
string depFilePath = ABDataConfig.localABFullName + ABDataConfig.localDepFileName;
//找到本地dep文件
if (File.Exists(depFilePath))
{
string value = File.ReadAllText(depFilePath);
if (serveDepFileText.Equals(value))
{
DebugManager.Log("服务器dep文件与本地dep文件一致！不用更新！");
InitDepList(depFilePath);
return;
}
}
DebugManager.Log("服务器dep文件与本地dep文件不一致！更新替换！");
//TODO 此时应当加密写入（暂时不写了）
FileManager.CreateFile(depFilePath, System.Text.Encoding.UTF8.GetBytes(serveDepFileText));
InitDepList(depFilePath);
}
/// <summary>
/// 解析dep文件 参数1：dep文件路径 返回所有资源名字
/// </summary>
public static List <string> ResolveDepFile(string depFilePath)
{
var tempReader = new AssetBundleDataReader();
using (FileStream fs = new FileStream(depFilePath, FileMode.Open, FileAccess.Read))
{
tempReader.Read(fs);
DebugManager.Log(depFilePath + " dep文件读取成功！读取到的ab资源个数为：" + tempReader.infoMap.Count);
List <string> resolveDepName = new List <string>();
foreach (var v in tempReader.infoMap)
{
if (!resolveDepName.Contains(v.Value.fullName))
{
resolveDepName.Add(v.Value.fullName);
}
}
tempReader = null;
return(resolveDepName);
}
}
/// <summary>
/// 初始化当前最新的dep.all ab列表
/// </summary>
private void InitDepList(string depFilePath)
{
curentDepFileReader = new AssetBundleDataReader();
using (FileStream fs = new FileStream(depFilePath, FileMode.Open, FileAccess.Read))
{
curentDepFileReader.Read(fs);
DebugManager.Log(depFilePath + " dep文件读取成功！读取到的ab资源个数为：" + curentDepFileReader.infoMap.Count);
curentDepFileABDataDic = new Dictionary <string, AssetBundleData>();
foreach (var v in curentDepFileReader.infoMap)
{
if (!curentDepFileABDataDic.ContainsKey(v.Value.debugName))
{
curentDepFileABDataDic.Add(v.Value.debugName, v.Value);
}
else
{
DebugManager.LogWarning("dep文件读取到的" + v.Value.debugName + "资源重复！");
}
}
}
}
/// <summary>
/// 任务下载器
/// </summary>
private IEnumerator DownloadTaskMangage(AssetBundleDownloadTaskModel task)
{
downloadTaskMangageState = true;//状态位标志
string downLoadUrl = ABDataConfig.GetAssetBundleUrl + ABDataConfig.getAssetBundleApiName;
DebugManager.Log("任务开始下载：" + task.ToString());
AssetBundleDownloadModel tempABModel = null;//中间变量
#region 遍历未下载列表资源，开启下载
for (int i = 0; i < task.downloadNOModels.Count; ++i)
{
tempABModel = task.downloadNOModels[i];
DownloadModel downModel = new DownloadModel();
//下载资源文件
task.taskMessage = "下载资源" + tempABModel.assetBundleFileName;
downModel.postDatas = System.Text.Encoding.UTF8.GetBytes(tempABModel.assetBundleFileName);
yield return(DownloadABFile(downLoadUrl, downModel));
tempABModel.assetBundleData = downModel.resultDatas;
//下载资源mainfest文件
task.taskMessage = "下载资源" + tempABModel.assetBundleManifestFileName;
downModel.postDatas = System.Text.Encoding.UTF8.GetBytes(tempABModel.assetBundleManifestFileName);
yield return(DownloadABFile(downLoadUrl, downModel));
tempABModel.assetBundleManifestData = downModel.resultDatas;
if (tempABModel != null && tempABModel.assetBundleManifestData != null && tempABModel.assetBundleData != null)
{
DebugManager.Log("资源：" + tempABModel.assetBundleName + "下载成功！准备写入本地文件！");
//TODO 写入文件
bool result = FileManager.CreateFile(ABDataConfig.localABFullName + tempABModel.assetBundleFileName, tempABModel.assetBundleData);
if (result)
{
result = FileManager.CreateFile(ABDataConfig.localABFullName + tempABModel.assetBundleManifestFileName, tempABModel.assetBundleManifestData);
}
if (result)
{
task.downloadOKModels.Add(tempABModel);//添加到成功队列中
}
else
{
DebugManager.Log("资源：" + tempABModel.assetBundleName + "下载成功，写入文件异常！");
task.downloadErrorModels.Add(tempABModel);//添加到失败队列中
}
}
else
{
DebugManager.Log("资源：" + tempABModel.assetBundleName + "下载异常！数据错误！");
task.downloadErrorModels.Add(tempABModel);//添加到失败队列中
}
task.downloadNOModels.RemoveAt(i--);//移出未下载队列
tempABModel = null;
}
#endregion
//判断任务是否成功或者失败
if (task.downloadErrorModels != null && task.downloadErrorModels.Count > 0)
{
DebugManager.LogWarning("任务：" + task.ToString() + "下载失败！");
task.taskState = TaskState.TaskError;
task.taskMessage = task.downloadErrorModels.Count + "个资源下载失败！重新下载！";
downloadErrorTasks.Enqueue(task);
}
else
{
DebugManager.LogWarning("任务：" + task.ToString() + "下载成功！");
task.taskState = TaskState.TaskOk;
task.taskMessage = "下载完成";
downloadSuccessTasks.Add(task);
}
//当前任务下载结束
downloadTaskMangageState = false;
}