Added the ability to find BoxVR exe in Oculus libraris on the local system

Author: GeekJosh

BOXVR Playlist Manager/App.xaml.cs

@@ -2,6 +2,7 @@
 using NLog;
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.Configuration;
 using System.Data;
 using System.Diagnostics;
@@ -20,6 +21,7 @@ public partial class App : Application
     {
         const string DEFAULT_BOXVR_APPDATA = @"%userprofile%\AppData\LocalLow\FITXR\BOXVR";
         const string REGISTRY_UNINSTALL_KEY = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall";
+        const string REGISTRY_OCULUS_LIB_KEY = @"Software\Oculus VR, LLC\Oculus\Libraries";
         const string REGISTRY_STEAM_KEY = @"HKEY_CURRENT_USER\Software\Valve\Steam";
 
 
@@ -76,20 +78,78 @@ private static string LocateBoxVRExe()
                 {
                     using (var subkey = key.OpenSubKey(subkey_name))
                     {
-                        logger.Trace($"Checking reg key {REGISTRY_UNINSTALL_KEY}\\{subkey_name}");
+                        logger.Trace($"Checking reg key HKLM\\{REGISTRY_UNINSTALL_KEY}\\{subkey_name}");
                         if (string.Equals(subkey.GetValue("DisplayName")?.ToString(), "BOXVR", StringComparison.OrdinalIgnoreCase))
                         {
                             var location = subkey.GetValue("InstallLocation")?.ToString();
                             if(location != null)
                             {
-                                logger.Debug($"BoxVR location found in reg key {REGISTRY_UNINSTALL_KEY}\\{subkey_name}: {location}");
+                                logger.Debug($"BoxVR location found in reg key HKLM\\{REGISTRY_UNINSTALL_KEY}\\{subkey_name}: {location}");
                                 return location;
                             }
                         }
                     }
                 }
             }
 
+            logger.Debug("Searching registry for Oculus library location");
+            using (var key = Registry.CurrentUser.OpenSubKey(REGISTRY_OCULUS_LIB_KEY))
+            {
+                if (key == null)
+                {
+                    logger.Trace($"Couldn't locate Oculus registry key: {REGISTRY_OCULUS_LIB_KEY}");
+                }
+                else
+                {
+                    var mountPoints = new List<string>();
+                    foreach(var subkey_name in key.GetSubKeyNames())
+                    {
+                        using(var subkey = key.OpenSubKey(subkey_name))
+                        {
+                            logger.Trace($"Checking reg key HKCU\\{REGISTRY_OCULUS_LIB_KEY}\\{subkey_name}");
+                            var libPath = subkey.GetValue("Path")?.ToString();
+                            if(libPath == null)
+                            {
+                                logger.Trace($"No 'Path' value found, moving on");
+                            }
+                            else
+                            {
+                                logger.Trace($"Path found: {libPath}, searching for 'fitxr-boxvr'");
+                                var volumeIdMatch = Regex.Match(libPath, @"(\\\\\?\\Volume{.*?}\\)(.*)");
+                                if (volumeIdMatch.Success)
+                                {
+                                    logger.Trace($"Getting mount points for volume {volumeIdMatch.Groups[1].Value}");
+                                    try
+                                    {
+                                        var _mountPoints = SafeNativeMethods.GetMountPointsForVolume(volumeIdMatch.Groups[1].Value);
+                                        logger.Trace($"Found the following mountpoints for {volumeIdMatch.Groups[1].Value}:\r\n{string.Join("\r\n", _mountPoints)}");
+                                        mountPoints.AddRange(_mountPoints.Select(m => Path.Combine(m, volumeIdMatch.Groups[2].Value)));
+                                    }
+                                    catch (Win32Exception ex)
+                                    {
+                                        logger.Error(ex);
+                                    }
+                                }
+                                else
+                                {
+                                    logger.Trace("Failed to find volume GUID path");
+                                }
+                            }
+                        }
+                    }
+
+                    foreach(var mountPoint in mountPoints)
+                    {
+                        var location = Path.Combine(mountPoint, "Software", "fitxr-boxvr");
+                        if (File.Exists(Path.Combine(location, "BoxVR.exe")))
+                        {
+                            logger.Debug($"BoxVR located in Oculus library: {location}");
+                            return location;
+                        }
+                    }
+                }
+            }
+
             logger.Debug("Searching registry for Steam install location");
             var steamPath = Registry.GetValue(REGISTRY_STEAM_KEY, "SteamPath", null)?.ToString();
             if (steamPath != null)

BOXVR Playlist Manager/BOXVR Playlist Manager.csproj

@@ -70,6 +70,7 @@
     <Compile Include="Extensions.cs" />
     <Compile Include="IsEnabledColorConverter.cs" />
     <Compile Include="Track.cs" />
+    <Compile Include="SafeNativeMethods.cs" />
     <Page Include="App.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>

BOXVR Playlist Manager/MainWindow.xaml

@@ -140,10 +140,10 @@
                     <DataGrid Grid.Row="1" Name="playlistTracks" ItemsSource="{Binding Tracks}" AllowDrop="True" SelectionMode="Extended"
                           FontSize="14" AutoGenerateColumns="False" IsReadOnly="True" SelectedItem="{Binding SelectedTrack}" Sorting="playlistTracks_Sorting">
                         <DataGrid.Columns>
-                            <DataGridTextColumn Header="Title" Binding="{Binding Title}" Width="Auto" />
-                            <DataGridTextColumn Header="Artist" Binding="{Binding Artist}" Width="Auto" />
-                            <DataGridTextColumn Header="Album" Binding="{Binding Album}" Width="Auto" />
-                            <DataGridTextColumn Header="Duration" Binding="{Binding Duration,StringFormat={}{0:mm':'ss}}" Width="Auto" />
+                            <DataGridTextColumn Header="Title" Binding="{Binding Title}" />
+                            <DataGridTextColumn Header="Artist" Binding="{Binding Artist}"  />
+                            <DataGridTextColumn Header="Album" Binding="{Binding Album}"  />
+                            <DataGridTextColumn Header="Duration" Binding="{Binding Duration,StringFormat={}{0:mm':'ss}}" />
                         </DataGrid.Columns>
                         <DataGrid.ContextMenu>
                             <ContextMenu>

BOXVR Playlist Manager/MainWindow.xaml.cs

@@ -33,7 +33,6 @@ private Playlist SelectedPlaylist
             {
                 _selectedPlaylist = value;
                 playlistView.DataContext = SelectedPlaylist;
-                playlistView.UpdateLayout();
                 gridGeneratingBeatmaps.DataContext = SelectedPlaylist;
             }
         }

BOXVR Playlist Manager/Properties/AssemblyInfo.cs

@@ -51,7 +51,7 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.1.0")]
-[assembly: AssemblyFileVersion("1.0.1.0")]
+[assembly: AssemblyVersion("1.1.1.0")]
+[assembly: AssemblyFileVersion("1.1.1.0")]
 [assembly: NeutralResourcesLanguage("en-GB")]
 

BOXVR Playlist Manager/SafeNativeMethods.cs

@@ -0,0 +1,60 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BoxVR_Playlist_Manager
+{
+    internal static class SafeNativeMethods
+    {
+        #region GetVolumePathNamesForVolumeNameW Win32 API sample from https://www.pinvoke.net/default.aspx/kernel32.getvolumepathnamesforvolumename
+        [DllImport("kernel32.dll", SetLastError = true)]
+        [return: MarshalAs(UnmanagedType.Bool)]
+        private static extern bool GetVolumePathNamesForVolumeNameW (
+            [MarshalAs(UnmanagedType.LPWStr)]
+            string lpszVolumeName,
+            [MarshalAs(UnmanagedType.LPWStr)]
+            string lpszVolumePathNames,
+            uint cchBuferLength,
+            ref uint lpcchReturnLength
+        );
+
+        public static List<string> GetMountPointsForVolume(string volumeDeviceName)
+        {
+            List<string> result = new List<string>();
+
+            // GetVolumePathNamesForVolumeName is only available on Windows XP/2003 and above
+            int osVersionMajor = Environment.OSVersion.Version.Major;
+            int osVersionMinor = Environment.OSVersion.Version.Minor;
+            if (osVersionMajor < 5 || (osVersionMajor == 5 && osVersionMinor < 1))
+            {
+                return result;
+            }
+
+            uint lpcchReturnLength = 0;
+            string buffer = "";
+
+            GetVolumePathNamesForVolumeNameW(volumeDeviceName, buffer, (uint)buffer.Length, ref lpcchReturnLength);
+            if (lpcchReturnLength == 0)
+            {
+                throw new Win32Exception(Marshal.GetLastWin32Error());
+                return result;
+            }
+
+            buffer = new string(new char[lpcchReturnLength]);
+
+            if (!GetVolumePathNamesForVolumeNameW(volumeDeviceName, buffer, lpcchReturnLength, ref lpcchReturnLength))
+            {
+                throw new Win32Exception(Marshal.GetLastWin32Error());
+            }
+
+            result.AddRange(buffer.Split('\0').Where(m => m.Length > 0));
+
+            return result;
+        }
+        #endregion
+    }
+}