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try to auto detect the correct ue version

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Asval 2026-03-10 19:41:29 +01:00
parent 4eaf9c074b
commit 4480bc8fbb
1 changed files with 94 additions and 1 deletions
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95
FModel/ViewModels/GameSelectorViewModel.cs
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@ -4,6 +4,8 @@ using Serilog;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
@ -67,12 +69,103 @@ public class GameSelectorViewModel : ViewModel
public void AddUndetectedDir(string gameDirectory) => AddUndetectedDir(gameDirectory.SubstringAfterLast('\\'), gameDirectory);
public void AddUndetectedDir(string gameName, string gameDirectory)
{
var setting = DirectorySettings.Default(gameName, gameDirectory, true);
if (TryDetectUeVersion(gameDirectory, out var ueVersion, out var newGameDirectory))
{
// gameDirectory = newGameDirectory; // directory was changed to point to the correct paks folder
}
var setting = DirectorySettings.Default(gameName, gameDirectory, true, ueVersion);
UserSettings.Default.PerDirectory[gameDirectory] = setting;
_detectedDirectories.Add(setting);
SelectedDirectory = DetectedDirectories.Last();
}
private bool TryDetectUeVersion(string gameDirectory, out EGame ueVersion, [MaybeNullWhen(false)] out string newGameDirectory)
{
var targetGameDir = gameDirectory;
if (!targetGameDir.EndsWith("Paks", StringComparison.OrdinalIgnoreCase))
{
var dirs = Directory.GetDirectories(targetGameDir, "Paks", SearchOption.AllDirectories);
var paksDir = dirs.Length == 1 ? dirs[0] : dirs.FirstOrDefault(x => !x.EndsWith("Engine\\Programs\\CrashReportClient\\Content\\Paks"));
if (!string.IsNullOrEmpty(paksDir))
{
Log.Warning("Selected directory \"{GameDirectory}\" does not end with \"Paks\". Looking in \"{PaksDir}\" instead.", targetGameDir, paksDir);
targetGameDir = paksDir;
}
if (Directory.GetFiles(gameDirectory, "*.exe") is { Length: 1 } exe && TryGetUeVersionFromExe(exe[0], out ueVersion))
{
// we checked the exe in the original directory, the BootstrapPackagedGame one
// but we still want c4p to use the paks folder as the game directory (if any), not the original one
newGameDirectory = targetGameDir;
Log.Information("Detected UE version {UeVersion} from \"{Exe}\"", ueVersion, exe[0]);
return true;
}
}
// past this point, we assume targetGameDir is the correct Paks folder
newGameDirectory = targetGameDir;
var projectDir = Path.Combine(targetGameDir, "..", "..");
var projectBinariesDir = Path.Combine(projectDir, "Binaries", "Win64");
if (Directory.Exists(projectBinariesDir))
{
if (Directory.GetFiles(projectBinariesDir, "*-Win64-Shipping.exe") is { Length: > 0 } shipping)
{
foreach (var exe in shipping)
{
if (TryGetUeVersionFromExe(exe, out ueVersion))
{
Log.Information("Detected UE version {UeVersion} from \"{Exe}\"", ueVersion, exe);
return true;
}
}
}
else if (Directory.GetFiles(projectBinariesDir, "*.exe") is { Length: < 3 } exes)
{
foreach (var exe in exes)
{
if (TryGetUeVersionFromExe(exe, out ueVersion))
{
Log.Information("Detected UE version {UeVersion} from \"{Exe}\"", ueVersion, exe);
return true;
}
}
}
}
var crashReportClientExe = Path.Combine(projectDir, "..", "Engine", "Binaries", "Win64", "CrashReportClient.exe");
if (File.Exists(crashReportClientExe) && TryGetUeVersionFromExe(crashReportClientExe, out ueVersion))
{
Log.Information("Detected UE version {UeVersion} from \"{Exe}\"", ueVersion, crashReportClientExe);
return true;
}
ueVersion = EGame.GAME_UE4_LATEST;
Log.Warning("Failed to detect UE version for \"{GameDirectory}\".", gameDirectory);
return false;
}
private bool TryGetUeVersionFromExe(string exePath, out EGame ueVersion)
{
ueVersion = EGame.GAME_UE4_LATEST;
try
{
var info = FileVersionInfo.GetVersionInfo(exePath);
ueVersion = info.FileMajorPart switch
{
4 => (EGame) Math.Min((uint)(GameUtils.GameUe4Base + (info.FileMinorPart << 16)), (uint) EGame.GAME_UE4_LATEST),
5 => (EGame) Math.Min((uint)(GameUtils.GameUe5Base + (info.FileMinorPart << 16)), (uint) EGame.GAME_UE5_LATEST),
_ => throw new InvalidOperationException($"Unsupported UE major version {info.FileMajorPart} detected from {exePath}")
};
return true;
}
catch
{
return false;
}
}
public void DeleteSelectedGame()
{
UserSettings.Default.PerDirectory.Remove(SelectedDirectory.GameDirectory); // should not be a problem