private static Installation?FindSteamInstallation(ModData modData, IGeneration generation)
{
foreach (var steamDirectory in InstallationFinder.SteamDirectory())
{
var manifestPath = Path.Combine(steamDirectory, "steamapps", $"appmanifest_{generation.SteamAppId}.acf");
if (!File.Exists(manifestPath))
{
continue;
}
var data = InstallationFinder.ParseKeyValuesManifest(manifestPath);
if (!data.TryGetValue("StateFlags", out var stateFlags) || stateFlags != "4")
{
continue;
}
if (!data.TryGetValue("installdir", out var installDir))
{
continue;
}
installDir = Path.Combine(steamDirectory, "steamapps", "common", installDir);
Log.Write("debug", $"Steam version candidate: {installDir}");
var game = InstallationUtils.TryRegister(modData, installDir, generation);
if (game != null)
{
return(game);
}
}
Log.Write("debug", "Steam version not found");
return(null);
}
private static IEnumerable <string> SteamDirectory()
{
var candidatePaths = new List <string>();
switch (Platform.CurrentPlatform)
{
case PlatformType.Windows:
{
var prefixes = new[] { "HKEY_LOCAL_MACHINE\\Software\\", "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\" };
foreach (var prefix in prefixes)
{
if (Registry.GetValue($"{prefix}Valve\\Steam", "InstallPath", null) is string path)
{
candidatePaths.Add(path);
}
}
break;
}
case PlatformType.OSX:
candidatePaths.Add(
Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), "Library", "Application Support", "Steam")
);
break;
case PlatformType.Linux:
candidatePaths.Add(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), ".steam", "root"));
break;
case PlatformType.Unknown:
break;
default:
throw new ArgumentOutOfRangeException(Enum.GetName(Platform.CurrentPlatform));
}
foreach (var libraryPath in candidatePaths.Where(Directory.Exists))
{
yield return(libraryPath);
var libraryFoldersPath = Path.Combine(libraryPath, "steamapps", "libraryfolders.vdf");
if (!File.Exists(libraryFoldersPath))
{
continue;
}
var data = InstallationFinder.ParseKeyValuesManifest(libraryFoldersPath);
for (var i = 1;; i++)
{
if (!data.TryGetValue(i.ToString(), out var path))
{
break;
}
yield return(path);
}
}
}