/// <summary>
/// 获取全部丢失的文件下载任务
/// </summary>
/// <param name="source">下载源</param>
/// <param name="core">使用的核心</param>
/// <param name="version">检查的版本</param>
/// <returns></returns>
public async static Task <List <DownloadTask> > GetLostDependDownloadTaskAsync(DownloadSource source, LaunchHandler core, MCVersion version, MetroWindow window)
{
var lostLibs = GetLostLibs(core, version);
var lostNatives = GetLostNatives(core, version);
List <DownloadTask> tasks = new List <DownloadTask>();
if (IsLostJarCore(core, version))
{
if (version.Jar == null)
{
tasks.Add(GetDownloadUrl.GetCoreJarDownloadTask(source, version, core));
}
}
if (version.InheritsVersion != null)
{
string innerJsonPath = core.GetJsonPath(version.InheritsVersion);
string innerJsonStr;
if (!File.Exists(innerJsonPath))
{
innerJsonStr = await HttpRequesterAPI.HttpGetStringAsync(GetDownloadUrl.GetCoreJsonDownloadURL(source, version.InheritsVersion));
if (innerJsonStr == null)
{
await window.ShowMessageAsync("检查错误", "检查源错误，请切换下载源后重试");
return(new List <DownloadTask>());
}
string jsonFolder = Path.GetDirectoryName(innerJsonPath);
if (!Directory.Exists(jsonFolder))
{
Directory.CreateDirectory(jsonFolder);
}
File.WriteAllText(innerJsonPath, innerJsonStr);
}
else
{
innerJsonStr = File.ReadAllText(innerJsonPath);
}
MCVersion innerVer = core.JsonToVersion(innerJsonStr);
if (innerVer != null)
{
tasks.AddRange(await GetLostDependDownloadTaskAsync(source, core, innerVer, window));
}
}
foreach (var item in lostLibs)
{
tasks.Add(GetDownloadUrl.GetLibDownloadTask(source, item));
}
foreach (var item in lostNatives)
{
tasks.Add(GetDownloadUrl.GetNativeDownloadTask(source, item));
}
return(tasks);
}