Add Steam Game Properties Button to Details View

MelonLoader.Installer/GameLaunchers/EgsLauncher.cs

@@ -47,7 +47,7 @@ public override void AddGames()
             if (name == null)
                 continue;
 
-            GameManager.TryAddGame(dir, name, this, null, out _);
+            GameManager.TryAddGame(dir, null, name, this, null, out _);
         }
     }
 }

MelonLoader.Installer/GameLaunchers/GogLauncher.cs

@@ -34,7 +34,7 @@ public override void AddGames()
             if (name == null)
                 continue;
 
-            GameManager.TryAddGame(path, name, this, null, out _);
+            GameManager.TryAddGame(path, null, name, this, null, out _);
         }
     }
 }

MelonLoader.Installer/GameLaunchers/SteamLauncher.cs

@@ -71,7 +71,7 @@ public override void AddGames()
                     continue;
 
                 var iconPath = Path.Combine(steamPath, "appcache", "librarycache", id + "_icon.jpg");
-                GameManager.TryAddGame(appDir, name, this, iconPath, out _);
+                GameManager.TryAddGame(appDir, id, name, this, iconPath, out _);
             }
         }
     }

MelonLoader.Installer/GameManager.cs

@@ -32,7 +32,7 @@ private static void LoadSavedGames()
     {
         foreach (var gamePath in Config.LoadGameList())
         {
-            TryAddGame(gamePath, null, null, null, out _);
+            TryAddGame(gamePath, null, null, null, null, out _);
         }
 
         // In case it was manually edited or if any games were removed
@@ -86,7 +86,7 @@ public static void RemoveGame(GameModel game)
         Games.Remove(game);
     }
 
-    public static GameModel? TryAddGame(string path, string? customName, GameLauncher? launcher, string? iconPath, [NotNullWhen(false)] out string? errorMessage)
+    public static GameModel? TryAddGame(string path, string? id, string? customName, GameLauncher? launcher, string? iconPath, [NotNullWhen(false)] out string? errorMessage)
     {
         if (File.Exists(path))
         {
@@ -169,7 +169,7 @@ public static void RemoveGame(GameModel game)
 
         var isProtected = Directory.Exists(Path.Combine(path, "EasyAntiCheat"));
 
-        var result = new GameModel(exe, customName ?? Path.GetFileNameWithoutExtension(exe), !is64, linux, launcher, icon, mlVersion, isProtected);
+        var result = new GameModel(exe, id, customName ?? Path.GetFileNameWithoutExtension(exe), !is64, linux, launcher, icon, mlVersion, isProtected);
         errorMessage = null;
 
         AddGameSorted(result);

MelonLoader.Installer/MLManager.cs

@@ -1,4 +1,5 @@
 using Semver;
+using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
 using System.Text.Json.Nodes;
 
@@ -49,9 +50,22 @@ public static async Task<bool> Init()
             return true;
 
         inited = await RefreshVersions();
+
         return inited;
     }
 
+    public static void OpenSteamGameProperties(string? appId)
+    {
+        if(appId == null){
+            return;
+        }
+
+        Process.Start(new ProcessStartInfo(){
+            FileName = $"steam://gameproperties/{appId}",
+            UseShellExecute = true
+        });
+    }
+
     private static Task<bool> RefreshVersions()
     {
         Versions.Clear();
@@ -332,7 +346,7 @@ public static void SetLocalZip(string zipPath, InstallProgressEventHandler? onPr
         onFinished?.Invoke(null);
     }
 
-    public static async Task InstallAsync(string gameDir, bool removeUserFiles, MLVersion version, bool linux, bool x86, InstallProgressEventHandler? onProgress, InstallFinishedEventHandler? onFinished)
+    public static async Task InstallAsync(string gameDir, string? id, bool removeUserFiles, MLVersion version, bool linux, bool x86, InstallProgressEventHandler? onProgress, InstallFinishedEventHandler? onFinished)
     {
         var downloadUrl = linux ? (!x86 ? version.DownloadUrlLinux : null) : (x86 ? version.DownloadUrlWinX86 : version.DownloadUrlWin);
         if (downloadUrl == null)

MelonLoader.Installer/ViewModels/GameModel.cs

@@ -4,9 +4,10 @@
 
 namespace MelonLoader.Installer.ViewModels;
 
-public class GameModel(string path, string name, bool is32Bit, bool isLinux, GameLauncher? launcher, Bitmap? icon, SemVersion? mlVersion, bool isProtected) : ViewModelBase
+public class GameModel(string path, string? id, string name, bool is32Bit, bool isLinux, GameLauncher? launcher, Bitmap? icon, SemVersion? mlVersion, bool isProtected) : ViewModelBase
 {
     public string Path => path;
+    public string? Id => id;
     public string Name => name;
     public bool Is32Bit => is32Bit;
     public bool IsLinux => isLinux;

MelonLoader.Installer/Views/DetailsView.axaml

@@ -58,26 +58,31 @@
                     VerticalAlignment="Center" Opacity="0.7" FontSize="14" />
             </Grid>
         </Grid>
-        
+
         <TextBlock Name="ShowLinuxInstructions" IsEnabled="{Binding !Installing}" Grid.Row="14" Tapped="ShowLinuxInstructionsHandler" HorizontalAlignment="Center" Foreground="Gray" TextDecorations="Underline" FontSize="13" Cursor="Hand" IsVisible="False">
             How do I start MelonLoader?
         </TextBlock>
     </Grid>
         <Grid Grid.Row="1" Margin="30" RowDefinitions="auto, *" IsVisible="{Binding LinuxInstructions}">
             <TextBlock Grid.Row="0" FontSize="25" Margin="0 0 0 20">Linux Launch Instructions</TextBlock>
-                    <StackPanel Orientation="Vertical" IsVisible="{Binding !Game.IsLinux}" Grid.Row="1">
-                        <TextBlock TextWrapping="Wrap">In order to start MelonLoader under Wine, you'll need to export the following variable:</TextBlock>
-                        <TextBox Margin="0 4 0 10" BorderBrush="Transparent" IsReadOnly="True">WINEDLLOVERRIDES="version=n,b"</TextBox>
-                        <TextBlock TextWrapping="Wrap">On Steam, you can set the launch options to:</TextBlock>
-                        <TextBox Margin="0 4 0 10" BorderBrush="Transparent" IsReadOnly="True">WINEDLLOVERRIDES="version=n,b" %command%"</TextBox>
-                    </StackPanel>
-                    <StackPanel Orientation="Vertical" IsVisible="{Binding Game.IsLinux}" Grid.Row="1">
-                        <TextBlock TextWrapping="Wrap">In order to start MelonLoader, you'll need to export the following variables:</TextBlock>
-                        <TextBox Name="LdLibPathVar" Margin="0 4 0 0" BorderBrush="Transparent" IsReadOnly="True"/>
-                        <TextBox Name="LdPreloadVar" Margin="0 4 0 10" BorderBrush="Transparent" IsReadOnly="True">LD_PRELOAD="libversion.so"</TextBox>
-                        <TextBlock TextWrapping="Wrap">On Steam, you can set the launch options to:</TextBlock>
-                        <TextBox Name="SteamLaunchOptions" Margin="0 4 0 10" BorderBrush="Transparent" IsReadOnly="True"/>
-                    </StackPanel>
+                <StackPanel Orientation="Vertical" IsVisible="{Binding !Game.IsLinux}" Grid.Row="1">
+                    <TextBlock TextWrapping="Wrap">In order to start MelonLoader under Wine, you'll need to export the following variable:</TextBlock>
+                    <TextBox Margin="0 4 0 10" BorderBrush="Transparent" IsReadOnly="True">WINEDLLOVERRIDES="version=n,b"</TextBox>
+                    <TextBlock TextWrapping="Wrap">On Steam, you can set the launch options to:</TextBlock>
+                    <TextBox Margin="0 4 0 10" BorderBrush="Transparent" IsReadOnly="True">WINEDLLOVERRIDES="version=n,b" %command%</TextBox>
+                </StackPanel>
+                <StackPanel Orientation="Vertical" IsVisible="{Binding Game.IsLinux}" Grid.Row="1">
+                    <TextBlock TextWrapping="Wrap">In order to start MelonLoader, you'll need to export the following variables:</TextBlock>
+                    <TextBox Name="LdLibPathVar" Margin="0 4 0 0" BorderBrush="Transparent" IsReadOnly="True"/>
+                    <TextBox Name="LdPreloadVar" Margin="0 4 0 10" BorderBrush="Transparent" IsReadOnly="True">LD_PRELOAD="libversion.so"</TextBox>
+                    <TextBlock TextWrapping="Wrap">On Steam, you can set the launch options to:</TextBlock>
+                    <TextBox Name="SteamLaunchOptions" Margin="0 4 0 10" BorderBrush="Transparent" IsReadOnly="True"/>
+                </StackPanel>
+            <Button Grid.Row="2" Click="GamePropsHandler" Name="GamePropsButton"
+                HorizontalAlignment="Stretch" Background="#383" Height="40"
+                HorizontalContentAlignment="Center" VerticalContentAlignment="Center"
+                FontSize="18">Open Steam Game Properties
+            </Button>
         </Grid>
     </Grid>
 </UserControl>

MelonLoader.Installer/Views/DetailsView.axaml.cs

@@ -42,16 +42,16 @@ protected override async void OnDataContextChanged(EventArgs e)
 
         if (Model == null)
             return;
-        
-#if LINUX
+
+        #if LINUX
         if (Model.Game.IsLinux)
         {
             LdLibPathVar.Text = $"LD_LIBRARY_PATH=\"{Model.Game.Dir}:$LD_LIBRARY_PATH\"";
             SteamLaunchOptions.Text = $"{LdLibPathVar.Text} {LdPreloadVar.Text} %command%";
         }
 
         ShowLinuxInstructions.IsVisible = Model.Game.MLInstalled;
-#endif
+        #endif
 
         Model.Game.PropertyChanged += PropertyChangedHandler;
 
@@ -138,12 +138,27 @@ private void InstallHandler(object sender, RoutedEventArgs args)
         Model.Installing = true;
         ShowLinuxInstructions.IsVisible = false;
 
-        _ = MLManager.InstallAsync(Path.GetDirectoryName(Model.Game.Path)!, Model.Game.MLInstalled && !KeepFilesCheck.IsChecked!.Value,
+        _ = MLManager.InstallAsync(Path.GetDirectoryName(Model.Game.Path)!, Model.Game.Id, Model.Game.MLInstalled && !KeepFilesCheck.IsChecked!.Value,
             (MLVersion)VersionCombobox.SelectedItem!, Model.Game.IsLinux, Model.Game.Is32Bit,
             (progress, newStatus) => Dispatcher.UIThread.Post(() => OnInstallProgress(progress, newStatus)),
             (errorMessage) => Dispatcher.UIThread.Post(() => OnOperationFinished(errorMessage)));
     }
 
+    private void GamePropsHandler(object sender, RoutedEventArgs args)
+    {
+        if (Model == null || !Model.Game.ValidateGame())
+        {
+            MainWindow.Instance.ShowMainView();
+            return;
+        }
+
+        if(Model.Game.Id != null)
+        {
+            MLManager.OpenSteamGameProperties(Model.Game.Id);
+        }
+
+    }
+
     private void OnInstallProgress(double progress, string? newStatus)
     {
         if (newStatus != null)
@@ -163,9 +178,9 @@ private void OnOperationFinished(string? errorMessage, bool addedLocalBuild = fa
         Model.Game.ValidateGame();
         Model.Installing = false;
 
-#if LINUX
-        ShowLinuxInstructions.IsVisible = Model.Game.MLInstalled;
-#endif
+        #if LINUX
+                ShowLinuxInstructions.IsVisible = Model.Game.MLInstalled;
+        #endif
 
         if (errorMessage != null)
         {
@@ -192,6 +207,13 @@ private void OnOperationFinished(string? errorMessage, bool addedLocalBuild = fa
             };
         }
 
+        #if LINUX
+        if(isInstall && Model.Game.MLInstalled){
+            Model.LinuxInstructions = true;
+        }
+
+        #endif
+
         DialogBox.ShowNotice("SUCCESS!", $"Successfully {operationType}{((!Model.Game.MLInstalled || isInstall) ? string.Empty : " to")}\nMelonLoader v{(Model.Game.MLInstalled ? Model.Game.MLVersion : currentMLVersion)}");
     }
 

MelonLoader.Installer/Views/MainView.axaml.cs

@@ -103,7 +103,7 @@ public async void AddGameManuallyHandler(object sender, RoutedEventArgs args)
             return;
 
         var path = files[0].Path.LocalPath;
-        GameManager.TryAddGame(path, null, null, null, out var error);
+        GameManager.TryAddGame(path, null, null, null, null, out var error);
         if (error != null)
         {
             DialogBox.ShowError(error);