public static bool TryGetAppDirectory(string appid, [NotNullWhen(true)] out string?result, ILogger logger)
{
if (!TryGetSteamDirectory(out var steampath))
{
result = null;
return(false);
}
var libvdfpath = Path.Combine(steampath, "steamapps", "libraryfolders.vdf");
VdfNode libvdf;
try
{
var libvdfstr = File.ReadAllText(libvdfpath);
libvdf = new VdfReader().LoadString(libvdfpath, libvdfstr);
}
catch (Exception e)
{
logger.LogWarning(e, "Failed to read library locations");
result = null;
return(false);
}
var libraries = new List <string>();
libraries.Add(Path.Combine(steampath, "steamapps"));
if (libvdf.Children.Count == 0)
{
logger.LogWarning("libraryfolders.vdf is strangely shaped");
result = null;
return(false);
}
foreach (var l in libvdf.Children[0].Children)
{
if (int.TryParse(l.Name, out _) && l.Value != null)
{
libraries.Add(Path.Combine(l.Value, "steamapps"));
}
}
foreach (var lp in libraries)
{
if (TryGetAppDirectory(lp, appid, out result, logger))
{
return(true);
}
}
System.Diagnostics.Debugger.Break();
result = null;
return(false);
}
public static bool TryGetAppDirectory(string steamappsFolder, string appid, [NotNullWhen(true)] out string?result, ILogger logger)
{
var acfpath = Path.Combine(steamappsFolder, $"appmanifest_{appid}.acf");
VdfNode acf;
try
{
acf = new VdfReader().LoadString(acfpath, File.ReadAllText(acfpath));
}
catch (FileNotFoundException e)
{
_ = e;
result = null;
return(false);
}
catch (Exception e)
{
logger.LogWarning(e, "Failed to read appmanifest");
result = null;
return(false);
}
if (acf.Children.Count == 0)
{
logger.LogWarning("appmanifest vdf is strangely shaped");
result = null;
return(false);
}
var installdir = acf.Children[0].FirstOrDefault(c => c.Name == "installdir")?.Value;
if (installdir != null)
{
result = Path.Combine(steamappsFolder, "common", installdir);
return(true);
}
else
{
result = null;
return(false);
}
}
