public async Task BeginInstallFromJObject(ProgressCallback monitor, CancellationToken cancellationToken, JObject jObj, string tempPath)
{
profile = jObj.ToObject <Install>();
string target = Options.GameRootPath;
if (!Directory.Exists(target))
{
throw new DirectoryNotFoundException("The minecraft root is not found");
}
//I think we dont need to inject the launcher profiles, so we dont need this json :)
//string launcherProfiles = Path.Combine(target, "launcher_profiles.json");
//if (!File.Exists(launcherProfiles))
//{
// throw new FileNotFoundException("There is no minecraft launcher profile");
//}
string versionRoot = Path.Combine(target, "versions");
string librariesDir = Path.Combine(target, "libraries");
if (!Directory.Exists(librariesDir))
{
Directory.CreateDirectory(librariesDir);
}
//Extracting json
monitor.SetState("提取json");
string jsonPath = PathManager.GetJsonPath(Options.GameRootPath, profile.Version);
if (!Directory.Exists(Path.GetDirectoryName(jsonPath)))
{
Directory.CreateDirectory(Path.GetDirectoryName(jsonPath));
}
File.Copy(tempPath + profile.Json, jsonPath, true);
//Consider minecraft client jar
monitor.SetState("检查游戏文件");
string clientTarget = PathManager.GetJarPath(Options.GameRootPath, profile.Minecraft);
if (!File.Exists(PathManager.GetJsonPath(Options.GameRootPath, profile.Minecraft)))
{
throw new FileNotFoundException("Minecraft json is not exists");
}
if (!File.Exists(clientTarget))
{
throw new FileNotFoundException("Minecraft jar is not exists");
}
var exc = await DownloadUtils.DownloadForgeJLibrariesAsync(monitor, Options.DownloadSource, cancellationToken, profile.Libraries, librariesDir);
if (exc != null)
{
throw exc;
}
string[] mavenFolders = Directory.GetDirectories(tempPath + "\\maven");
foreach (var item in mavenFolders)
{
DirectoryInfo info = new DirectoryInfo(item);
FileHelper.CopyDirectory(item, librariesDir + '\\' + info.Name, true);
}
await Task.Factory.StartNew(() =>
{
PostProcessors postProcessors = new PostProcessors(profile, Options.IsClient, monitor);
Exception procExc = postProcessors.Process(tempPath, Options.GameRootPath, clientTarget, Options.Java);
if (procExc != null)
{
throw procExc;
}
});
}
public static async Task <Exception> DownloadForgeJLibrariesAsync(ProgressCallback monitor, DownloadSource source, CancellationToken cancelToken, List <JLibrary> libs, string librariesDir)
{
try
{
foreach (var item in libs)
{
monitor.SetDoneSize(0);
monitor.SetState(string.Format("补全库文件{0}", item.Name));
Exception exception = null;
for (int i = 1; i <= 3; i++)
{
try
{
string from = GetDownloadUrl.DoURLReplace(source, item.Downloads.Artifact.URL);
string to = Path.Combine(librariesDir, item.Downloads.Artifact.Path);
string buffFilename = to + ".downloadtask";
if (File.Exists(to))
{
goto a;
}
if (string.IsNullOrWhiteSpace(from))
{
goto a;
}
if (Path.IsPathRooted(to))
{
string dirName = Path.GetDirectoryName(to);
if (!Directory.Exists(dirName))
{
Directory.CreateDirectory(dirName);
}
}
if (File.Exists(buffFilename))
{
File.Delete(buffFilename);
}
using (var getResult = await HttpRequesterAPI.HttpGetAsync(from, cancelToken))
{
getResult.EnsureSuccessStatusCode();
monitor.SetTotalSize(getResult.Content.Headers.ContentLength.GetValueOrDefault());
using (Stream responseStream = await getResult.Content.ReadAsStreamAsync())
{
using (FileStream fs = new FileStream(buffFilename, FileMode.Create))
{
byte[] bArr = new byte[1024];
int size = await responseStream.ReadAsync(bArr, 0, (int)bArr.Length);
while (size > 0)
{
if (cancelToken.IsCancellationRequested)
{
return(null);
}
fs.Write(bArr, 0, size);
size = responseStream.Read(bArr, 0, (int)bArr.Length);
monitor.IncreaseDoneSize(size);
}
}
}
}
//下载完成后转正
File.Move(buffFilename, to);
monitor.SetDone();
break;
}
catch (Exception e)
{
exception = e;
monitor.SetState(string.Format("重试第{0}次", i));
//继续重试
continue;
}
}
a :;
}
return(null);
}
catch (Exception e)
{
return(e);
}
}