From 60b483e55f62f3843103d6738b5237fde274b6f5 Mon Sep 17 00:00:00 2001
From: Sven <sven@klaasen-ahr.nl>
Date: Thu, 5 May 2022 10:33:06 +0200
Subject: [PATCH 1/4] Added option to create junction links for CustomLevels
 and UserData

---
 LegacyInstaller/MainWindow.xaml    | 11 +++---
 LegacyInstaller/MainWindow.xaml.cs | 56 ++++++++++++++++++++++++++++--
 LegacyInstaller/Utilities.cs       | 30 ++++++++++++++++
 3 files changed, 90 insertions(+), 7 deletions(-)

diff --git a/LegacyInstaller/MainWindow.xaml b/LegacyInstaller/MainWindow.xaml
index a776de3..015133d 100644
--- a/LegacyInstaller/MainWindow.xaml
+++ b/LegacyInstaller/MainWindow.xaml
@@ -7,13 +7,13 @@
         mc:Ignorable="d"
         ResizeMode="CanMinimize"
         Title="LegacyInstaller" Height="245" Width="410" Background="#FFF0F0F0">
-    <Grid>
+    <Grid ToolTip="Create a link">
         <Label x:Name="label2" Content="Beat Saber install folder:" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="10,3,0,0" FontSize="10.5"/>
-        <TextBox x:Name="bsPathTextBox" TextChanged="bsPathTextBox_TextChanged"  HorizontalAlignment="Left" Height="20" TextWrapping="Wrap" Text="TextBox" VerticalAlignment="Top" Width="275" Margin="12,25,0,0"/>
+        <TextBox x:Name="bsPathTextBox" TextChanged="bsPathTextBox_TextChanged"  HorizontalAlignment="Left" Height="20" TextWrapping="Wrap" VerticalAlignment="Top" Width="275" Margin="12,25,0,0"/>
         <Button x:Name="bsPathBrowseButton" Click="bsPathBrowseButton_Click" Content="Browse..." HorizontalAlignment="Left" Cursor="Hand" VerticalAlignment="Top" Width="89" Margin="294,25,0,0"/>
         
         <Label x:Name="label3" Content="Steam install folder:" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="10,49,0,0" FontSize="10.5"/>
-        <TextBox x:Name="steamPathTextBox" TextChanged="steamPathTextBox_TextChanged" HorizontalAlignment="Left" Height="20" TextWrapping="Wrap" Text="TextBox" VerticalAlignment="Top" Width="275" Margin="12,70,0,0"/>
+        <TextBox x:Name="steamPathTextBox" TextChanged="steamPathTextBox_TextChanged" HorizontalAlignment="Left" Height="20" TextWrapping="Wrap" VerticalAlignment="Top" Width="275" Margin="12,70,0,0"/>
         <Button x:Name="steamPathBrowseButton" Click="steamPathBrowseButton_Click" Content="Browse..." HorizontalAlignment="Left" Cursor="Hand" VerticalAlignment="Top" Width="89" Margin="294,70,0,0"/>
 
         <Label x:Name="label1" Content="Version:" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="10,103,0,0" FontSize="10.7"/>
@@ -21,6 +21,9 @@
         <Button x:Name="installButton" Content="Install" Click="installButton_Click" HorizontalAlignment="Left" Height="20" Cursor="Hand" FontSize="11.5" VerticalAlignment="Top" Width="89" Margin="190,106,0,0"/>
         <Label x:Name="installStateLabel" Content="" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="281,104,0,0" FontSize="10.5"/>
 
-        <Label x:Name="downloadInfoLabel" Content="" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="10,140,0,0" FontSize="11" Initialized="downloadInfoLabel_Initialized"/>
+        <CheckBox x:Name="customLevelsLinkCheckbox" Content="Create link to custom levels" HorizontalAlignment="Left" Margin="10,132,0,0" VerticalAlignment="Top" IsChecked="True" ToolTip="Create a link to your main CustomLevels folder so that the custom songs are syned between installations."/>
+        <CheckBox x:Name="userDataLinkCheckbox" Content="Create link to user data" HorizontalAlignment="Left" Margin="10,152,0,0" VerticalAlignment="Top" ToolTip="Create a link to your main UserData folder so that your mod settings are syned between installations. Might cause issues very old versions of mods are installed."/>
+
+        <Label x:Name="downloadInfoLabel" Content="" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="10,181,0,0" FontSize="11" Initialized="downloadInfoLabel_Initialized"/>
     </Grid>
 </Window>
diff --git a/LegacyInstaller/MainWindow.xaml.cs b/LegacyInstaller/MainWindow.xaml.cs
index 1c0a962..6bfd955 100644
--- a/LegacyInstaller/MainWindow.xaml.cs
+++ b/LegacyInstaller/MainWindow.xaml.cs
@@ -100,6 +100,7 @@ private void RefreshUI(bool idle = true)
                 downloadInfoLabelObject.Content = labelText;
             }
         }
+
         private async Task RefreshInternal()
         {
             if (_steamProcess == null || BSInstallDir == null)
@@ -207,8 +208,6 @@ private void steamPathTextBox_TextChanged(object sender, TextChangedEventArgs e)
                 _steamProcess = null;
         }
 
-
-
         private void versionDropdown_SelectedIndexChanged(object sender, SelectionChangedEventArgs e)
         {
             SelectedVersion = (Version)versionDropdown.SelectedItem;
@@ -223,7 +222,26 @@ private void installButton_Click(object sender, RoutedEventArgs e)
                 else
                 {
                     _steamProcess.Shortcuts.DeleteSteamShortcut($"Beat Saber {SelectedVersion.BSVersion}");
-                    Directory.Delete(SelectedVersionInstallDir, true);
+
+                    try
+                    {
+                        // First delete junction links
+                        string customLevelsJunctionPath = Path.Combine(SelectedVersionInstallDir, "Beat Saber_Data", "CustomLevels");
+                        if (Directory.Exists(customLevelsJunctionPath) && Utilities.IsJunctionLink(customLevelsJunctionPath))
+                            Directory.Delete(customLevelsJunctionPath);
+
+                        string userDataJunctionLink = Path.Combine(SelectedVersionInstallDir, "UserData");
+                        if (Directory.Exists(userDataJunctionLink) && Utilities.IsJunctionLink(userDataJunctionLink))
+                            Directory.Delete(userDataJunctionLink);
+
+                        // Delete folder
+                        Directory.Delete(SelectedVersionInstallDir, true);
+                    }
+                    catch
+                    {
+                        string alertMessageContent = $"Uninstall failed, please check if the files have been deleted\n${SelectedVersionInstallDir}";
+                        _ = MessageBox.Show(alertMessageContent, "Uninstall failed", MessageBoxButton.OK, MessageBoxImage.Warning);
+                    }
                 }
 
                 _ = RestartSteam();
@@ -263,6 +281,33 @@ private async Task InstallVersion(Version version)
 
             // Enable UI
             this.Dispatcher.Invoke((Action)delegate { RefreshUI(true); });
+
+            // Create Junction Links for custom levels
+            if (customLevelsLinkCheckbox.IsChecked.GetValueOrDefault())
+            {
+                string relativeDir = Path.Combine("Beat Saber_Data", "CustomLevels");
+                string sourceDir = Path.Combine(BSInstallDir, relativeDir);
+                string targetDir = Path.Combine(SelectedVersionInstallDir, relativeDir);
+
+                // Remove existing target dir folder
+                if (Directory.Exists(targetDir))
+                    Directory.Delete(targetDir, true);
+
+                Utilities.CreateJunctionLink(targetDir, sourceDir);
+            }
+
+            // Create Junction Links for user data
+            if (userDataLinkCheckbox.IsChecked.GetValueOrDefault())
+            {
+                string relativeDir = Path.Combine("UserData");
+                string sourceDir = Path.Combine(BSInstallDir, relativeDir);
+                string targetDir = Path.Combine(SelectedVersionInstallDir, relativeDir);
+
+                if (Directory.Exists(targetDir))
+                    Directory.Delete(targetDir, true);
+
+                Utilities.CreateJunctionLink(targetDir, sourceDir);
+            }
         }
 
         private void FileSystemChanged(object sender, FileSystemEventArgs e)
@@ -291,5 +336,10 @@ private void downloadInfoLabel_Initialized(object sender, EventArgs e)
             downloadInfoLabelObject = (Label)sender;
             RefreshUI();
         }
+
+        private void CheckBox_Checked(object sender, RoutedEventArgs e)
+        {
+
+        }
     }
 }
diff --git a/LegacyInstaller/Utilities.cs b/LegacyInstaller/Utilities.cs
index 1de212e..18723a0 100644
--- a/LegacyInstaller/Utilities.cs
+++ b/LegacyInstaller/Utilities.cs
@@ -124,5 +124,35 @@ public static UInt64 GetSteamAppId(string appName, string path, string exe)
 
             return gameId;
         }
+
+        public static void CreateJunctionLink(string destinationPath, string sourcePath)
+        {
+            using (System.Diagnostics.Process process = new System.Diagnostics.Process())
+            {
+                process.StartInfo.FileName = "cmd.exe";
+                process.StartInfo.Arguments = $" /C mklink /J \"{destinationPath}\" \"{sourcePath}\"";
+                process.StartInfo.CreateNoWindow = true;
+                process.StartInfo.UseShellExecute = false;
+                process.StartInfo.RedirectStandardOutput = true;
+                process.OutputDataReceived += Process_OutputDataReceived;
+
+                process.Start();
+
+                Console.WriteLine(process.StandardOutput.ReadToEnd());
+
+                process.WaitForExit();
+            }
+        }
+
+        private static void Process_OutputDataReceived(object sender, System.Diagnostics.DataReceivedEventArgs e)
+        {
+            Console.WriteLine(e.Data);
+        }
+
+        public static bool IsJunctionLink(string path)
+        {
+            FileInfo pathInfo = new FileInfo(path);
+            return pathInfo.Attributes.HasFlag(FileAttributes.ReparsePoint);
+        }
     }
 }

From 8e6ecd1d2904390c0c25f1a1530879078be1022b Mon Sep 17 00:00:00 2001
From: Sven <sven@klaasen-ahr.nl>
Date: Thu, 5 May 2022 10:50:13 +0200
Subject: [PATCH 2/4] Removed unused method

---
 LegacyInstaller/MainWindow.xaml.cs | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/LegacyInstaller/MainWindow.xaml.cs b/LegacyInstaller/MainWindow.xaml.cs
index 6bfd955..255731b 100644
--- a/LegacyInstaller/MainWindow.xaml.cs
+++ b/LegacyInstaller/MainWindow.xaml.cs
@@ -336,10 +336,5 @@ private void downloadInfoLabel_Initialized(object sender, EventArgs e)
             downloadInfoLabelObject = (Label)sender;
             RefreshUI();
         }
-
-        private void CheckBox_Checked(object sender, RoutedEventArgs e)
-        {
-
-        }
     }
 }

From c193c474d111c931271a896e0a562c677cdee367 Mon Sep 17 00:00:00 2001
From: Sven <sven@klaasen-ahr.nl>
Date: Thu, 5 May 2022 13:48:34 +0200
Subject: [PATCH 3/4] Removed unused console logging

---
 LegacyInstaller/Utilities.cs | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/LegacyInstaller/Utilities.cs b/LegacyInstaller/Utilities.cs
index 18723a0..d2a7b7c 100644
--- a/LegacyInstaller/Utilities.cs
+++ b/LegacyInstaller/Utilities.cs
@@ -133,22 +133,12 @@ public static void CreateJunctionLink(string destinationPath, string sourcePath)
                 process.StartInfo.Arguments = $" /C mklink /J \"{destinationPath}\" \"{sourcePath}\"";
                 process.StartInfo.CreateNoWindow = true;
                 process.StartInfo.UseShellExecute = false;
-                process.StartInfo.RedirectStandardOutput = true;
-                process.OutputDataReceived += Process_OutputDataReceived;
 
                 process.Start();
-
-                Console.WriteLine(process.StandardOutput.ReadToEnd());
-
                 process.WaitForExit();
             }
         }
 
-        private static void Process_OutputDataReceived(object sender, System.Diagnostics.DataReceivedEventArgs e)
-        {
-            Console.WriteLine(e.Data);
-        }
-
         public static bool IsJunctionLink(string path)
         {
             FileInfo pathInfo = new FileInfo(path);

From b9e048faef1e5e43099aeca9e73f675c18c0ecec Mon Sep 17 00:00:00 2001
From: Sven <sven@klaasen-ahr.nl>
Date: Thu, 5 May 2022 13:48:44 +0200
Subject: [PATCH 4/4] Refresh UI on downdown change

---
 LegacyInstaller/MainWindow.xaml.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/LegacyInstaller/MainWindow.xaml.cs b/LegacyInstaller/MainWindow.xaml.cs
index 255731b..1af73af 100644
--- a/LegacyInstaller/MainWindow.xaml.cs
+++ b/LegacyInstaller/MainWindow.xaml.cs
@@ -211,6 +211,7 @@ private void steamPathTextBox_TextChanged(object sender, TextChangedEventArgs e)
         private void versionDropdown_SelectedIndexChanged(object sender, SelectionChangedEventArgs e)
         {
             SelectedVersion = (Version)versionDropdown.SelectedItem;
+            RefreshUI();
         }
 
         private void installButton_Click(object sender, RoutedEventArgs e)