private async Task <bool> ShowDownloadDialog(DownloadDialog dialog)
{
await MainWindow.Current.ShowMetroDialogAsync(dialog, DefaultDialogSettings);
dialog.StartDownload();
await dialog.WaitUntilUnloadedAsync();
return(dialog.Cancelled);
}
private async Task launch()
{
Config.INSTANCE.User = ViewModel.User;
Config.SaveConfigToFileAsync();
KMCCC.Launcher.Version kver = ViewModel.SelectedVersion;
if (kver == null)
{
await MainWindow.Current.ShowMessageAsync("启动失败", "版本未指定，请选择一个要启动的Minecraft版本");
return;
}
if (CoreMCL.UserAuthenticator == null)
{
await MainWindow.Current.ShowMessageAsync("启动失败", "未指定用户，请前往账户设置选择要登入Minecraft的用户");
return;
}
Option.versionId = kver.Id;
Option.javaExt = Config.INSTANCE.JavaExt;
Option.javaArgs = Config.INSTANCE.JavaArgs;
if (Config.INSTANCE.MaxMemory > 0)
{
Option.javaArgs = string.Format("-Xmx{0}M {1}", Config.INSTANCE.MaxMemory, Option.javaArgs);
}
#region Check libraries and natives
ViewModel.LaunchButtonContent = "正在检查核心文件...";
List <MinecraftAssembly> missing = null;
await Task.Run(() =>
{
missing = CoreMCL.CheckLibraries(kver);
missing?.AddRange(CoreMCL.CheckNatives(kver));
});
if (missing?.Count > 0)
{
ViewModel.LaunchButtonContent = "正在下载核心文件...";
DownloadDialog dialog = new DownloadDialog("正在下载运行Minecraft所需的文件...");
missing.ForEach(lib =>
{
if (Uri.TryCreate(lib.Url, UriKind.Absolute, out Uri uri))
{
DownloadItem item = new DownloadItem(lib.Name, lib.Path, uri);
dialog.DownloadQuene.Add(item);
}
});
dialog.StartDownload();
if (await ShowDownloadDialog(dialog))
{
return;
}
}
#endregion
// Check Assets
ViewModel.LaunchButtonContent = "正在检查资源文件";
if (!CheckAssetsIndex(kver))
{
ViewModel.LaunchButtonContent = "正在获取资源元数据";
try
{
await Task.Run(async() =>
{
using (HttpClient client = new HttpClient())
{
string json = await client.GetStringAsync(kver.AssetsIndex.Url);
string path = string.Format(@"{0}\assets\indexes\{1}.json", CoreMCL.Core.GameRootPath, kver.Assets);
FileInfo fileInfo = new FileInfo(path);
if (!fileInfo.Directory.Exists)
{
fileInfo.Directory.Create();
}
fileInfo.Create().Dispose();
File.WriteAllText(path, json);
}
});
}
catch (HttpRequestException ex)
{
await MainWindow.Current.ShowMessageAsync("获取资源元数据失败", ex.Message + ex.StackTrace, MessageDialogStyle.Affirmative, DefaultDialogSettings);
return;
}
catch (IOException ex)
{
await MainWindow.Current.ShowMessageAsync("获取资源元数据失败", ex.Message + ex.StackTrace, MessageDialogStyle.Affirmative, DefaultDialogSettings);
return;
}
}
ViewModel.LaunchButtonContent = "正在检查资源文件...";
(bool hasValidIndex, List <MinecraftAsset> missingAssets)assetsResult = (false, null);
await Task.Run(() =>
{
assetsResult = CoreMCL.CheckAssets(kver);
});
if (!assetsResult.hasValidIndex)
{
await MainWindow.Current.ShowMessageAsync("获取资源元数据失败", "发生未知错误，无法获取有效的资源元数据，我们将为您继续启动游戏，但这可能会导致游戏中出现无翻译和无声音等问题");
}
else
{
if (assetsResult.missingAssets.Count > 0)
{
DownloadDialog dialog = new DownloadDialog("正在下载资源文件...");
assetsResult.missingAssets.ForEach(ass =>
{
if (Uri.TryCreate(ass.GetDownloadUrl(), UriKind.Absolute, out Uri uri))
{
DownloadItem item = new DownloadItem("资源: " + ass.Hash, CoreMCL.Core.GameRootPath + "\\" + ass.GetPath(), uri);
dialog.DownloadQuene.Add(item);
}
});
if (await ShowDownloadDialog(dialog))
{
return;
}
}
}
ViewModel.LaunchButtonContent = "正在启动...";
LaunchResult result = CoreMCL.Launch(Option);
if (!result.Success)
{
await MainWindow.Current.ShowMessageAsync("启动失败", result.ErrorMessage + "\r\n" + result.Exception);
}
}