Ava UI: Mod Manager (#4390)

* Let’s start again

* Read folders and such

* Remove Open Mod Folder menu items

* Fix folder opening, Selecting/deselecting

* She works

* Fix GTK

* AddMod

* Delete

* Fix duplicate entries

* Fix file check

* Avalonia 11

* Style fixes

* Final style fixes

* Might be too general

* Remove unnecessary using

* Enable new mods by default

* More cleanup

* Fix saving metadata

* Dont deseralise ModMetadata several times

* Avalonia I hate you

* Confirmation dialgoues

* Allow selecting multiple folders

* Add back secondary folder

* Search both paths

* Fix formatting

* Apply suggestions from code review

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Rename Title to Application

* Generic locale key

* Apply suggestions from code review

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Locale Updates

* GDK Feedback

* Fix

---------

Co-authored-by: Ac_K <Acoustik666@gmail.com>

src/Ryujinx.Ava/Assets/Locales/en_US.json

@@ -54,8 +54,6 @@
   "GameListContextMenuManageTitleUpdatesToolTip": "Opens the Title Update management window",
   "GameListContextMenuManageDlc": "Manage DLC",
   "GameListContextMenuManageDlcToolTip": "Opens the DLC management window",
-  "GameListContextMenuOpenModsDirectory": "Open Mods Directory",
-  "GameListContextMenuOpenModsDirectoryToolTip": "Opens the directory which contains Application's Mods",
   "GameListContextMenuCacheManagement": "Cache Management",
   "GameListContextMenuCacheManagementPurgePptc": "Queue PPTC Rebuild",
   "GameListContextMenuCacheManagementPurgePptcToolTip": "Trigger PPTC to rebuild at boot time on the next game launch",
@@ -383,7 +381,8 @@
   "DialogUserProfileUnsavedChangesSubMessage": "Do you want to discard your changes?",
   "DialogControllerSettingsModifiedConfirmMessage": "The current controller settings has been updated.",
   "DialogControllerSettingsModifiedConfirmSubMessage": "Do you want to save?",
-  "DialogLoadNcaErrorMessage": "{0}. Errored File: {1}",
+  "DialogLoadFileErrorMessage": "{0}. Errored File: {1}",
+  "DialogModAlreadyExistsMessage": "Mod already exists",
   "DialogDlcNoDlcErrorMessage": "The specified file does not contain a DLC for the selected title!",
   "DialogPerformanceCheckLoggingEnabledMessage": "You have trace logging enabled, which is designed to be used by developers only.",
   "DialogPerformanceCheckLoggingEnabledConfirmMessage": "For optimal performance, it's recommended to disable trace logging. Would you like to disable trace logging now?",
@@ -394,6 +393,8 @@
   "DialogUpdateAddUpdateErrorMessage": "The specified file does not contain an update for the selected title!",
   "DialogSettingsBackendThreadingWarningTitle": "Warning - Backend Threading",
   "DialogSettingsBackendThreadingWarningMessage": "Ryujinx must be restarted after changing this option for it to apply fully. Depending on your platform, you may need to manually disable your driver's own multithreading when using Ryujinx's.",
+  "DialogModManagerDeletionWarningMessage": "You are about to delete the mod: {0}\n\nAre you sure you want to proceed?",
+  "DialogModManagerDeletionAllWarningMessage": "You are about to delete all mods for this title.\n\nAre you sure you want to proceed?",
   "SettingsTabGraphicsFeaturesOptions": "Features",
   "SettingsTabGraphicsBackendMultithreading": "Graphics Backend Multithreading:",
   "CommonAuto": "Auto",
@@ -428,6 +429,7 @@
   "DlcManagerRemoveAllButton": "Remove All",
   "DlcManagerEnableAllButton": "Enable All",
   "DlcManagerDisableAllButton": "Disable All",
+  "ModManagerDeleteAllButton": "Delete All",
   "MenuBarOptionsChangeLanguage": "Change Language",
   "MenuBarShowFileTypes": "Show File Types",
   "CommonSort": "Sort",
@@ -502,6 +504,8 @@
   "EnableInternetAccessTooltip": "Allows the emulated application to connect to the Internet.\n\nGames with a LAN mode can connect to each other when this is enabled and the systems are connected to the same access point. This includes real consoles as well.\n\nDoes NOT allow connecting to Nintendo servers. May cause crashing in certain games that try to connect to the Internet.\n\nLeave OFF if unsure.",
   "GameListContextMenuManageCheatToolTip": "Manage Cheats",
   "GameListContextMenuManageCheat": "Manage Cheats",
+  "GameListContextMenuManageModToolTip": "Manage Mods",
+  "GameListContextMenuManageMod": "Manage Mods",
   "ControllerSettingsStickRange": "Range:",
   "DialogStopEmulationTitle": "Ryujinx - Stop Emulation",
   "DialogStopEmulationMessage": "Are you sure you want to stop emulation?",
@@ -513,8 +517,6 @@
   "SettingsTabCpuMemory": "CPU Mode",
   "DialogUpdaterFlatpakNotSupportedMessage": "Please update Ryujinx via FlatHub.",
   "UpdaterDisabledWarningTitle": "Updater Disabled!",
-  "GameListContextMenuOpenSdModsDirectory": "Open Atmosphere Mods Directory",
-  "GameListContextMenuOpenSdModsDirectoryToolTip": "Opens the alternative SD card Atmosphere directory which contains Application's Mods. Useful for mods that are packaged for real hardware.",
   "ControllerSettingsRotate90": "Rotate 90° Clockwise",
   "IconSize": "Icon Size",
   "IconSizeTooltip": "Change the size of game icons",
@@ -586,6 +588,7 @@
   "Writable": "Writable",
   "SelectDlcDialogTitle": "Select DLC files",
   "SelectUpdateDialogTitle": "Select update files",
+  "SelectModDialogTitle": "Select mod directory",
   "UserProfileWindowTitle": "User Profiles Manager",
   "CheatWindowTitle": "Cheats Manager",
   "DlcWindowTitle": "Manage Downloadable Content for {0} ({1})",
@@ -593,6 +596,7 @@
   "CheatWindowHeading": "Cheats Available for {0} [{1}]",
   "BuildId": "BuildId:",
   "DlcWindowHeading": "{0} Downloadable Content(s)",
+  "ModWindowHeading": "{0} Mod(s)",
   "UserProfilesEditProfile": "Edit Selected",
   "Cancel": "Cancel",
   "Save": "Save",

src/Ryujinx.Ava/UI/Controls/ApplicationContextMenu.axaml

@@ -47,13 +47,9 @@
         Header="{locale:Locale GameListContextMenuManageCheat}"
         ToolTip.Tip="{locale:Locale GameListContextMenuManageCheatToolTip}" />
     <MenuItem
-        Click="OpenModsDirectory_Click"
+        Click="OpenModManager_Click"
-        Header="{locale:Locale GameListContextMenuOpenModsDirectory}"
+        Header="{locale:Locale GameListContextMenuManageMod}"
-        ToolTip.Tip="{locale:Locale GameListContextMenuOpenModsDirectoryToolTip}" />
+        ToolTip.Tip="{locale:Locale GameListContextMenuManageModToolTip}" />
-    <MenuItem
-        Click="OpenSdModsDirectory_Click"
-        Header="{locale:Locale GameListContextMenuOpenSdModsDirectory}"
-        ToolTip.Tip="{locale:Locale GameListContextMenuOpenSdModsDirectoryToolTip}" />
     <Separator />
     <MenuItem Header="{locale:Locale GameListContextMenuCacheManagement}">
         <MenuItem

src/Ryujinx.Ava/UI/Controls/ApplicationContextMenu.axaml.cs

@@ -126,29 +126,13 @@ namespace Ryujinx.Ava.UI.Controls
             }
         }
 
-        public void OpenModsDirectory_Click(object sender, RoutedEventArgs args)
+        public async void OpenModManager_Click(object sender, RoutedEventArgs args)
         {
             var viewModel = (sender as MenuItem)?.DataContext as MainWindowViewModel;
 
             if (viewModel?.SelectedApplication != null)
             {
-                string modsBasePath = ModLoader.GetModsBasePath();
+                await ModManagerWindow.Show(ulong.Parse(viewModel.SelectedApplication.TitleId, NumberStyles.HexNumber), viewModel.SelectedApplication.TitleName);
-                string titleModsPath = ModLoader.GetTitleDir(modsBasePath, viewModel.SelectedApplication.TitleId);
-
-                OpenHelper.OpenFolder(titleModsPath);
-            }
-        }
-
-        public void OpenSdModsDirectory_Click(object sender, RoutedEventArgs args)
-        {
-            var viewModel = (sender as MenuItem)?.DataContext as MainWindowViewModel;
-
-            if (viewModel?.SelectedApplication != null)
-            {
-                string sdModsBasePath = ModLoader.GetSdModsBasePath();
-                string titleModsPath = ModLoader.GetTitleDir(sdModsBasePath, viewModel.SelectedApplication.TitleId);
-
-                OpenHelper.OpenFolder(titleModsPath);
             }
         }
 

src/Ryujinx.Ava/UI/Models/ModModel.cs

@@ -0,0 +1,30 @@
+using Ryujinx.Ava.UI.ViewModels;
+using System.IO;
+
+namespace Ryujinx.Ava.UI.Models
+{
+    public class ModModel : BaseModel
+    {
+        private bool _enabled;
+
+        public bool Enabled
+        {
+            get => _enabled;
+            set
+            {
+                _enabled = value;
+                OnPropertyChanged();
+            }
+        }
+
+        public string Path { get; }
+        public string Name { get; }
+
+        public ModModel(string path, string name, bool enabled)
+        {
+            Path = path;
+            Name = name;
+            Enabled = enabled;
+        }
+    }
+}

src/Ryujinx.Ava/UI/ViewModels/DownloadableContentManagerViewModel.cs

@@ -39,6 +39,7 @@ namespace Ryujinx.Ava.UI.ViewModels
 
         private string _search;
         private readonly ulong _titleId;
+        private readonly IStorageProvider _storageProvider;
 
         private static readonly DownloadableContentJsonSerializerContext _serializerContext = new(JsonHelper.GetDefaultSerializerOptions());
 
@@ -90,8 +91,6 @@ namespace Ryujinx.Ava.UI.ViewModels
             get => string.Format(LocaleManager.Instance[LocaleKeys.DlcWindowHeading], DownloadableContents.Count);
         }
 
-        public IStorageProvider StorageProvider;
-
         public DownloadableContentManagerViewModel(VirtualFileSystem virtualFileSystem, ulong titleId)
         {
             _virtualFileSystem = virtualFileSystem;
@@ -100,7 +99,7 @@ namespace Ryujinx.Ava.UI.ViewModels
 
             if (Application.Current.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
             {
-                StorageProvider = desktop.MainWindow.StorageProvider;
+                _storageProvider = desktop.MainWindow.StorageProvider;
             }
 
             _downloadableContentJsonPath = Path.Combine(AppDataManager.GamesDirPath, titleId.ToString("x16"), "dlc.json");
@@ -194,7 +193,7 @@ namespace Ryujinx.Ava.UI.ViewModels
             {
                 Dispatcher.UIThread.InvokeAsync(async () =>
                 {
-                    await ContentDialogHelper.CreateErrorDialog(string.Format(LocaleManager.Instance[LocaleKeys.DialogLoadNcaErrorMessage], ex.Message, containerPath));
+                    await ContentDialogHelper.CreateErrorDialog(string.Format(LocaleManager.Instance[LocaleKeys.DialogLoadFileErrorMessage], ex.Message, containerPath));
                 });
             }
 
@@ -203,7 +202,7 @@ namespace Ryujinx.Ava.UI.ViewModels
 
         public async void Add()
         {
-            var result = await StorageProvider.OpenFilePickerAsync(new FilePickerOpenOptions
+            var result = await _storageProvider.OpenFilePickerAsync(new FilePickerOpenOptions
             {
                 Title = LocaleManager.Instance[LocaleKeys.SelectDlcDialogTitle],
                 AllowMultiple = true,

src/Ryujinx.Ava/UI/ViewModels/ModManagerViewModel.cs

@@ -0,0 +1,260 @@
+using Avalonia;
+using Avalonia.Collections;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Platform.Storage;
+using Avalonia.Threading;
+using DynamicData;
+using Ryujinx.Ava.Common.Locale;
+using Ryujinx.Ava.UI.Helpers;
+using Ryujinx.Ava.UI.Models;
+using Ryujinx.Common.Configuration;
+using Ryujinx.Common.Utilities;
+using Ryujinx.HLE.HOS;
+using System.IO;
+using System.Linq;
+
+namespace Ryujinx.Ava.UI.ViewModels
+{
+    public class ModManagerViewModel : BaseModel
+    {
+        private readonly string _modJsonPath;
+
+        private AvaloniaList<ModModel> _mods = new();
+        private AvaloniaList<ModModel> _views = new();
+        private AvaloniaList<ModModel> _selectedMods = new();
+
+        private string _search;
+        private readonly ulong _applicationId;
+        private readonly IStorageProvider _storageProvider;
+
+        private static readonly ModMetadataJsonSerializerContext _serializerContext = new(JsonHelper.GetDefaultSerializerOptions());
+
+        public AvaloniaList<ModModel> Mods
+        {
+            get => _mods;
+            set
+            {
+                _mods = value;
+                OnPropertyChanged();
+                OnPropertyChanged(nameof(ModCount));
+                Sort();
+            }
+        }
+
+        public AvaloniaList<ModModel> Views
+        {
+            get => _views;
+            set
+            {
+                _views = value;
+                OnPropertyChanged();
+            }
+        }
+
+        public AvaloniaList<ModModel> SelectedMods
+        {
+            get => _selectedMods;
+            set
+            {
+                _selectedMods = value;
+                OnPropertyChanged();
+            }
+        }
+
+        public string Search
+        {
+            get => _search;
+            set
+            {
+                _search = value;
+                OnPropertyChanged();
+                Sort();
+            }
+        }
+
+        public string ModCount
+        {
+            get => string.Format(LocaleManager.Instance[LocaleKeys.ModWindowHeading], Mods.Count);
+        }
+
+        public ModManagerViewModel(ulong applicationId)
+        {
+            _applicationId = applicationId;
+
+            _modJsonPath = Path.Combine(AppDataManager.GamesDirPath, applicationId.ToString("x16"), "mods.json");
+
+            if (Application.Current.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+            {
+                _storageProvider = desktop.MainWindow.StorageProvider;
+            }
+
+            LoadMods(applicationId);
+        }
+
+        private void LoadMods(ulong applicationId)
+        {
+            Mods.Clear();
+            SelectedMods.Clear();
+
+            string[] modsBasePaths = [ModLoader.GetSdModsBasePath(), ModLoader.GetModsBasePath()];
+
+            foreach (var path in modsBasePaths)
+            {
+                var modCache = new ModLoader.ModCache();
+
+                ModLoader.QueryContentsDir(modCache, new DirectoryInfo(Path.Combine(path, "contents")), applicationId);
+
+                foreach (var mod in modCache.RomfsDirs)
+                {
+                    var modModel = new ModModel(mod.Path.Parent.FullName, mod.Name, mod.Enabled);
+                    if (Mods.All(x => x.Path != mod.Path.Parent.FullName))
+                    {
+                        Mods.Add(modModel);
+                    }
+                }
+
+                foreach (var mod in modCache.RomfsContainers)
+                {
+                    Mods.Add(new ModModel(mod.Path.FullName, mod.Name, mod.Enabled));
+                }
+
+                foreach (var mod in modCache.ExefsDirs)
+                {
+                    var modModel = new ModModel(mod.Path.Parent.FullName, mod.Name, mod.Enabled);
+                    if (Mods.All(x => x.Path != mod.Path.Parent.FullName))
+                    {
+                        Mods.Add(modModel);
+                    }
+                }
+
+                foreach (var mod in modCache.ExefsContainers)
+                {
+                    Mods.Add(new ModModel(mod.Path.FullName, mod.Name, mod.Enabled));
+                }
+            }
+
+            Sort();
+        }
+
+        public void Sort()
+        {
+            Mods.AsObservableChangeSet()
+                .Filter(Filter)
+                .Bind(out var view).AsObservableList();
+
+            _views.Clear();
+            _views.AddRange(view);
+
+            SelectedMods = new(Views.Where(x => x.Enabled));
+
+            OnPropertyChanged(nameof(ModCount));
+            OnPropertyChanged(nameof(Views));
+            OnPropertyChanged(nameof(SelectedMods));
+        }
+
+        private bool Filter(object arg)
+        {
+            if (arg is ModModel content)
+            {
+                return string.IsNullOrWhiteSpace(_search) || content.Name.ToLower().Contains(_search.ToLower());
+            }
+
+            return false;
+        }
+
+        public void Save()
+        {
+            ModMetadata modData = new();
+
+            foreach (ModModel mod in Mods)
+            {
+                modData.Mods.Add(new Mod
+                {
+                    Name = mod.Name,
+                    Path = mod.Path,
+                    Enabled = SelectedMods.Contains(mod),
+                });
+            }
+
+            JsonHelper.SerializeToFile(_modJsonPath, modData, _serializerContext.ModMetadata);
+        }
+
+        public void Delete(ModModel model)
+        {
+            Directory.Delete(model.Path, true);
+
+            Mods.Remove(model);
+            OnPropertyChanged(nameof(ModCount));
+            Sort();
+        }
+
+        private void AddMod(DirectoryInfo directory)
+        {
+            var directories = Directory.GetDirectories(directory.ToString(), "*", SearchOption.AllDirectories);
+            var destinationDir = ModLoader.GetApplicationDir(ModLoader.GetSdModsBasePath(), _applicationId.ToString("x16"));
+
+            foreach (var dir in directories)
+            {
+                string dirToCreate = dir.Replace(directory.Parent.ToString(), destinationDir);
+
+                // Mod already exists
+                if (Directory.Exists(dirToCreate))
+                {
+                    Dispatcher.UIThread.Post(async () =>
+                    {
+                        await ContentDialogHelper.CreateErrorDialog(LocaleManager.Instance.UpdateAndGetDynamicValue(LocaleKeys.DialogLoadFileErrorMessage, LocaleKeys.DialogModAlreadyExistsMessage, dirToCreate));
+                    });
+
+                    return;
+                }
+
+                Directory.CreateDirectory(dirToCreate);
+            }
+
+            var files = Directory.GetFiles(directory.ToString(), "*", SearchOption.AllDirectories);
+
+            foreach (var file in files)
+            {
+                File.Copy(file, file.Replace(directory.Parent.ToString(), destinationDir), true);
+            }
+
+            LoadMods(_applicationId);
+        }
+
+        public async void Add()
+        {
+            var result = await _storageProvider.OpenFolderPickerAsync(new FolderPickerOpenOptions
+            {
+                Title = LocaleManager.Instance[LocaleKeys.SelectModDialogTitle],
+                AllowMultiple = true,
+            });
+
+            foreach (var folder in result)
+            {
+                AddMod(new DirectoryInfo(folder.Path.LocalPath));
+            }
+        }
+
+        public void DeleteAll()
+        {
+            foreach (var mod in Mods)
+            {
+                Directory.Delete(mod.Path, true);
+            }
+
+            Mods.Clear();
+            OnPropertyChanged(nameof(ModCount));
+            Sort();
+        }
+
+        public void EnableAll()
+        {
+            SelectedMods = new(Mods);
+        }
+
+        public void DisableAll()
+        {
+            SelectedMods.Clear();
+        }
+    }
+}

src/Ryujinx.Ava/UI/ViewModels/TitleUpdateViewModel.cs

@@ -192,7 +192,7 @@ namespace Ryujinx.Ava.UI.ViewModels
                 }
                 catch (Exception ex)
                 {
-                    Dispatcher.UIThread.InvokeAsync(() => ContentDialogHelper.CreateErrorDialog(LocaleManager.Instance.UpdateAndGetDynamicValue(LocaleKeys.DialogLoadNcaErrorMessage, ex.Message, path)));
+                    Dispatcher.UIThread.InvokeAsync(() => ContentDialogHelper.CreateErrorDialog(LocaleManager.Instance.UpdateAndGetDynamicValue(LocaleKeys.DialogLoadFileErrorMessage, ex.Message, path)));
                 }
             }
         }

src/Ryujinx.Ava/UI/Windows/CheatWindow.axaml.cs

@@ -41,7 +41,7 @@ namespace Ryujinx.Ava.UI.Windows
             InitializeComponent();
 
             string modsBasePath = ModLoader.GetModsBasePath();
-            string titleModsPath = ModLoader.GetTitleDir(modsBasePath, titleId);
+            string titleModsPath = ModLoader.GetApplicationDir(modsBasePath, titleId);
             ulong titleIdValue = ulong.Parse(titleId, NumberStyles.HexNumber);
 
             _enabledCheatsPath = Path.Combine(titleModsPath, "cheats", "enabled.txt");

src/Ryujinx.Ava/UI/Windows/ModManagerWindow.axaml

@@ -0,0 +1,179 @@
+<UserControl
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:locale="clr-namespace:Ryujinx.Ava.Common.Locale"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:viewModels="clr-namespace:Ryujinx.Ava.UI.ViewModels"
+    xmlns:models="clr-namespace:Ryujinx.Ava.UI.Models"
+    xmlns:ui="clr-namespace:FluentAvalonia.UI.Controls;assembly=FluentAvalonia"
+    Width="500"
+    Height="380"
+    mc:Ignorable="d"
+    x:Class="Ryujinx.Ava.UI.Windows.ModManagerWindow"
+    x:CompileBindings="True"
+    x:DataType="viewModels:ModManagerViewModel"
+    Focusable="True">
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="*" />
+            <RowDefinition Height="Auto" />
+        </Grid.RowDefinitions>
+        <Panel
+            Margin="0 0 0 10"
+            Grid.Row="0">
+            <Grid>
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="Auto" />
+                    <ColumnDefinition Width="Auto" />
+                    <ColumnDefinition Width="*" />
+                </Grid.ColumnDefinitions>
+                <TextBlock
+                    Grid.Column="0"
+                    Text="{Binding ModCount}" />
+                <StackPanel
+                    Margin="10 0"
+                    Grid.Column="1"
+                    Orientation="Horizontal">
+                    <Button
+                        Name="EnableAllButton"
+                        MinWidth="90"
+                        Margin="5"
+                        Command="{ReflectionBinding EnableAll}">
+                        <TextBlock Text="{locale:Locale DlcManagerEnableAllButton}" />
+                    </Button>
+                    <Button
+                        Name="DisableAllButton"
+                        MinWidth="90"
+                        Margin="5"
+                        Command="{ReflectionBinding DisableAll}">
+                        <TextBlock Text="{locale:Locale DlcManagerDisableAllButton}" />
+                    </Button>
+                </StackPanel>
+                <TextBox
+                    Grid.Column="2"
+                    MinHeight="27"
+                    MaxHeight="27"
+                    HorizontalAlignment="Stretch"
+                    Watermark="{locale:Locale Search}"
+                    Text="{Binding Search}" />
+            </Grid>
+        </Panel>
+        <Border
+            Grid.Row="1"
+            Margin="0 0 0 24"
+            HorizontalAlignment="Stretch"
+            VerticalAlignment="Stretch"
+            BorderBrush="{DynamicResource AppListHoverBackgroundColor}"
+            BorderThickness="1"
+            CornerRadius="5"
+            Padding="2.5">
+            <ListBox
+                AutoScrollToSelectedItem="False"
+                SelectionMode="Multiple, Toggle"
+                Background="Transparent"
+                SelectionChanged="OnSelectionChanged"
+                SelectedItems="{Binding SelectedMods, Mode=TwoWay}"
+                ItemsSource="{Binding Views}">
+                <ListBox.DataTemplates>
+                    <DataTemplate
+                        DataType="models:ModModel">
+                        <Panel Margin="10">
+                            <Grid>
+                                <Grid.ColumnDefinitions>
+                                    <ColumnDefinition Width="*" />
+                                    <ColumnDefinition Width="Auto" />
+                                </Grid.ColumnDefinitions>
+                                <TextBlock
+                                    HorizontalAlignment="Left"
+                                    VerticalAlignment="Center"
+                                    MaxLines="2"
+                                    TextWrapping="Wrap"
+                                    TextTrimming="CharacterEllipsis"
+                                    Text="{Binding Name}" />
+                                <StackPanel
+                                    Grid.Column="1"
+                                    Spacing="10"
+                                    Orientation="Horizontal"
+                                    HorizontalAlignment="Right">
+                                    <Button
+                                        VerticalAlignment="Center"
+                                        HorizontalAlignment="Right"
+                                        Padding="10"
+                                        MinWidth="0"
+                                        MinHeight="0"
+                                        Click="OpenLocation">
+                                        <ui:SymbolIcon
+                                            Symbol="OpenFolder"
+                                            HorizontalAlignment="Center"
+                                            VerticalAlignment="Center" />
+                                    </Button>
+                                    <Button
+                                        VerticalAlignment="Center"
+                                        HorizontalAlignment="Right"
+                                        Padding="10"
+                                        MinWidth="0"
+                                        MinHeight="0"
+                                        Click="DeleteMod">
+                                        <ui:SymbolIcon
+                                            Symbol="Cancel"
+                                            HorizontalAlignment="Center"
+                                            VerticalAlignment="Center" />
+                                    </Button>
+                                </StackPanel>
+                            </Grid>
+                        </Panel>
+                    </DataTemplate>
+                </ListBox.DataTemplates>
+                <ListBox.Styles>
+                    <Style Selector="ListBoxItem">
+                        <Setter Property="Background" Value="Transparent" />
+                    </Style>
+                </ListBox.Styles>
+            </ListBox>
+        </Border>
+        <Panel
+            Grid.Row="2"
+            HorizontalAlignment="Stretch">
+            <StackPanel
+                Orientation="Horizontal"
+                Spacing="10"
+                HorizontalAlignment="Left">
+                <Button
+                    Name="AddButton"
+                    MinWidth="90"
+                    Margin="5"
+                    Command="{Binding Add}">
+                    <TextBlock Text="{locale:Locale SettingsTabGeneralAdd}" />
+                </Button>
+                <Button
+                    Name="RemoveAllButton"
+                    MinWidth="90"
+                    Margin="5"
+                    Click="DeleteAll">
+                    <TextBlock Text="{locale:Locale ModManagerDeleteAllButton}" />
+                </Button>
+            </StackPanel>
+            <StackPanel
+                Orientation="Horizontal"
+                Spacing="10"
+                HorizontalAlignment="Right">
+                <Button
+                    Name="SaveButton"
+                    MinWidth="90"
+                    Margin="5"
+                    Click="SaveAndClose">
+                    <TextBlock Text="{locale:Locale SettingsButtonSave}" />
+                </Button>
+                <Button
+                    Name="CancelButton"
+                    MinWidth="90"
+                    Margin="5"
+                    Click="Close">
+                    <TextBlock Text="{locale:Locale InputDialogCancel}" />
+                </Button>
+            </StackPanel>
+        </Panel>
+    </Grid>
+</UserControl>

src/Ryujinx.Ava/UI/Windows/ModManagerWindow.axaml.cs

@@ -0,0 +1,139 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Styling;
+using FluentAvalonia.UI.Controls;
+using Ryujinx.Ava.Common.Locale;
+using Ryujinx.Ava.UI.Helpers;
+using Ryujinx.Ava.UI.Models;
+using Ryujinx.Ava.UI.ViewModels;
+using Ryujinx.Ui.Common.Helper;
+using System.Threading.Tasks;
+using Button = Avalonia.Controls.Button;
+
+namespace Ryujinx.Ava.UI.Windows
+{
+    public partial class ModManagerWindow : UserControl
+    {
+        public ModManagerViewModel ViewModel;
+
+        public ModManagerWindow()
+        {
+            DataContext = this;
+
+            InitializeComponent();
+        }
+
+        public ModManagerWindow(ulong titleId)
+        {
+            DataContext = ViewModel = new ModManagerViewModel(titleId);
+
+            InitializeComponent();
+        }
+
+        public static async Task Show(ulong titleId, string titleName)
+        {
+            ContentDialog contentDialog = new()
+            {
+                PrimaryButtonText = "",
+                SecondaryButtonText = "",
+                CloseButtonText = "",
+                Content = new ModManagerWindow(titleId),
+                Title = string.Format(LocaleManager.Instance[LocaleKeys.ModWindowHeading], titleName, titleId.ToString("X16")),
+            };
+
+            Style bottomBorder = new(x => x.OfType<Grid>().Name("DialogSpace").Child().OfType<Border>());
+            bottomBorder.Setters.Add(new Setter(IsVisibleProperty, false));
+
+            contentDialog.Styles.Add(bottomBorder);
+
+            await contentDialog.ShowAsync();
+        }
+
+        private void SaveAndClose(object sender, RoutedEventArgs e)
+        {
+            ViewModel.Save();
+            ((ContentDialog)Parent).Hide();
+        }
+
+        private void Close(object sender, RoutedEventArgs e)
+        {
+            ((ContentDialog)Parent).Hide();
+        }
+
+        private async void DeleteMod(object sender, RoutedEventArgs e)
+        {
+            if (sender is Button button)
+            {
+                if (button.DataContext is ModModel model)
+                {
+                    var result = await ContentDialogHelper.CreateConfirmationDialog(
+                        LocaleManager.Instance[LocaleKeys.DialogWarning],
+                        LocaleManager.Instance.UpdateAndGetDynamicValue(LocaleKeys.DialogModManagerDeletionWarningMessage, model.Name),
+                        LocaleManager.Instance[LocaleKeys.InputDialogYes],
+                        LocaleManager.Instance[LocaleKeys.InputDialogNo],
+                        LocaleManager.Instance[LocaleKeys.RyujinxConfirm]);
+
+                    if (result == UserResult.Yes)
+                    {
+                        ViewModel.Delete(model);
+                    }
+                }
+            }
+        }
+
+        private async void DeleteAll(object sender, RoutedEventArgs e)
+        {
+            var result = await ContentDialogHelper.CreateConfirmationDialog(
+                LocaleManager.Instance[LocaleKeys.DialogWarning],
+                LocaleManager.Instance[LocaleKeys.DialogModManagerDeletionAllWarningMessage],
+                LocaleManager.Instance[LocaleKeys.InputDialogYes],
+                LocaleManager.Instance[LocaleKeys.InputDialogNo],
+                LocaleManager.Instance[LocaleKeys.RyujinxConfirm]);
+
+            if (result == UserResult.Yes)
+            {
+                ViewModel.DeleteAll();
+            }
+        }
+
+        private void OpenLocation(object sender, RoutedEventArgs e)
+        {
+            if (sender is Button button)
+            {
+                if (button.DataContext is ModModel model)
+                {
+                    OpenHelper.OpenFolder(model.Path);
+                }
+            }
+        }
+
+        private void OnSelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            foreach (var content in e.AddedItems)
+            {
+                if (content is ModModel model)
+                {
+                    var index = ViewModel.Mods.IndexOf(model);
+
+                    if (index != -1)
+                    {
+                        ViewModel.Mods[index].Enabled = true;
+                    }
+                }
+            }
+
+            foreach (var content in e.RemovedItems)
+            {
+                if (content is ModModel model)
+                {
+                    var index = ViewModel.Mods.IndexOf(model);
+
+                    if (index != -1)
+                    {
+                        ViewModel.Mods[index].Enabled = false;
+                    }
+                }
+            }
+        }
+    }
+}

src/Ryujinx.Common/Configuration/Mod.cs

@@ -0,0 +1,9 @@
+namespace Ryujinx.Common.Configuration
+{
+    public class Mod
+    {
+        public string Name { get; set; }
+        public string Path { get; set; }
+        public bool Enabled { get; set; }
+    }
+}

src/Ryujinx.Common/Configuration/ModMetadata.cs

@@ -0,0 +1,14 @@
+using System.Collections.Generic;
+
+namespace Ryujinx.Common.Configuration
+{
+    public struct ModMetadata
+    {
+        public List<Mod> Mods { get; set; }
+
+        public ModMetadata()
+        {
+            Mods = new List<Mod>();
+        }
+    }
+}

src/Ryujinx.Common/Configuration/ModMetadataJsonSerializerContext.cs

@@ -0,0 +1,10 @@
+using System.Text.Json.Serialization;
+
+namespace Ryujinx.Common.Configuration
+{
+    [JsonSourceGenerationOptions(WriteIndented = true)]
+    [JsonSerializable(typeof(ModMetadata))]
+    public partial class ModMetadataJsonSerializerContext : JsonSerializerContext
+    {
+    }
+}

src/Ryujinx.HLE/HOS/ModLoader.cs

@@ -7,6 +7,7 @@ using LibHac.Tools.FsSystem;
 using LibHac.Tools.FsSystem.RomFs;
 using Ryujinx.Common.Configuration;
 using Ryujinx.Common.Logging;
+using Ryujinx.Common.Utilities;
 using Ryujinx.HLE.HOS.Kernel.Process;
 using Ryujinx.HLE.Loaders.Executables;
 using Ryujinx.HLE.Loaders.Mods;
@@ -37,15 +38,19 @@ namespace Ryujinx.HLE.HOS
         private const string AmsNroPatchDir = "nro_patches";
         private const string AmsKipPatchDir = "kip_patches";
 
+        private static readonly ModMetadataJsonSerializerContext _serializerContext = new(JsonHelper.GetDefaultSerializerOptions());
+
         public readonly struct Mod<T> where T : FileSystemInfo
         {
             public readonly string Name;
             public readonly T Path;
+            public readonly bool Enabled;
 
-            public Mod(string name, T path)
+            public Mod(string name, T path, bool enabled)
             {
                 Name = name;
                 Path = path;
+                Enabled = enabled;
             }
         }
 
@@ -67,7 +72,7 @@ namespace Ryujinx.HLE.HOS
             }
         }
 
-        // Title dependent mods
+        // Application dependent mods
         public class ModCache
         {
             public List<Mod<FileInfo>> RomfsContainers { get; }
@@ -88,7 +93,7 @@ namespace Ryujinx.HLE.HOS
             }
         }
 
-        // Title independent mods
+        // Application independent mods
         private class PatchCache
         {
             public List<Mod<DirectoryInfo>> NsoPatches { get; }
@@ -107,7 +112,7 @@ namespace Ryujinx.HLE.HOS
             }
         }
 
-        private readonly Dictionary<ulong, ModCache> _appMods; // key is TitleId
+        private readonly Dictionary<ulong, ModCache> _appMods; // key is ApplicationId
         private PatchCache _patches;
 
         private static readonly EnumerationOptions _dirEnumOptions;
@@ -153,26 +158,52 @@ namespace Ryujinx.HLE.HOS
             return modsDir.FullName;
         }
 
-        private static DirectoryInfo FindTitleDir(DirectoryInfo contentsDir, string titleId)
+        private static DirectoryInfo FindApplicationDir(DirectoryInfo contentsDir, string applicationId)
-            => contentsDir.EnumerateDirectories(titleId, _dirEnumOptions).FirstOrDefault();
+            => contentsDir.EnumerateDirectories(applicationId, _dirEnumOptions).FirstOrDefault();
 
-        private static void AddModsFromDirectory(ModCache mods, DirectoryInfo dir, string titleId)
+        private static void AddModsFromDirectory(ModCache mods, DirectoryInfo dir, ModMetadata modMetadata)
         {
             System.Text.StringBuilder types = new();
 
             foreach (var modDir in dir.EnumerateDirectories())
             {
                 types.Clear();
-                Mod<DirectoryInfo> mod = new("", null);
+                Mod<DirectoryInfo> mod = new("", null, true);
 
                 if (StrEquals(RomfsDir, modDir.Name))
                 {
-                    mods.RomfsDirs.Add(mod = new Mod<DirectoryInfo>(dir.Name, modDir));
+                    bool enabled;
+
+                    try
+                    {
+                        var modData = modMetadata.Mods.Find(x => modDir.FullName.Contains(x.Path));
+                        enabled = modData.Enabled;
+                    }
+                    catch
+                    {
+                        // Mod is not in the list yet. New mods should be enabled by default.
+                        enabled = true;
+                    }
+
+                    mods.RomfsDirs.Add(mod = new Mod<DirectoryInfo>(dir.Name, modDir, enabled));
                     types.Append('R');
                 }
                 else if (StrEquals(ExefsDir, modDir.Name))
                 {
-                    mods.ExefsDirs.Add(mod = new Mod<DirectoryInfo>(dir.Name, modDir));
+                    bool enabled;
+
+                    try
+                    {
+                        var modData = modMetadata.Mods.Find(x => modDir.FullName.Contains(x.Path));
+                        enabled = modData.Enabled;
+                    }
+                    catch
+                    {
+                        // Mod is not in the list yet. New mods should be enabled by default.
+                        enabled = true;
+                    }
+
+                    mods.ExefsDirs.Add(mod = new Mod<DirectoryInfo>(dir.Name, modDir, enabled));
                     types.Append('E');
                 }
                 else if (StrEquals(CheatDir, modDir.Name))
@@ -181,7 +212,7 @@ namespace Ryujinx.HLE.HOS
                 }
                 else
                 {
-                    AddModsFromDirectory(mods, modDir, titleId);
+                    AddModsFromDirectory(mods, modDir, modMetadata);
                 }
 
                 if (types.Length > 0)
@@ -191,18 +222,18 @@ namespace Ryujinx.HLE.HOS
             }
         }
 
-        public static string GetTitleDir(string modsBasePath, string titleId)
+        public static string GetApplicationDir(string modsBasePath, string applicationId)
         {
             var contentsDir = new DirectoryInfo(Path.Combine(modsBasePath, AmsContentsDir));
-            var titleModsPath = FindTitleDir(contentsDir, titleId);
+            var applicationModsPath = FindApplicationDir(contentsDir, applicationId);
 
-            if (titleModsPath == null)
+            if (applicationModsPath == null)
             {
-                Logger.Info?.Print(LogClass.ModLoader, $"Creating mods directory for Title {titleId.ToUpper()}");
+                Logger.Info?.Print(LogClass.ModLoader, $"Creating mods directory for Application {applicationId.ToUpper()}");
-                titleModsPath = contentsDir.CreateSubdirectory(titleId);
+                applicationModsPath = contentsDir.CreateSubdirectory(applicationId);
             }
 
-            return titleModsPath.FullName;
+            return applicationModsPath.FullName;
         }
 
         // Static Query Methods
@@ -238,47 +269,68 @@ namespace Ryujinx.HLE.HOS
 
             foreach (var modDir in patchDir.EnumerateDirectories())
             {
-                patches.Add(new Mod<DirectoryInfo>(modDir.Name, modDir));
+                patches.Add(new Mod<DirectoryInfo>(modDir.Name, modDir, true));
                 Logger.Info?.Print(LogClass.ModLoader, $"Found {type} patch '{modDir.Name}'");
             }
         }
 
-        private static void QueryTitleDir(ModCache mods, DirectoryInfo titleDir)
+        private static void QueryApplicationDir(ModCache mods, DirectoryInfo applicationDir, ulong applicationId)
         {
-            if (!titleDir.Exists)
+            if (!applicationDir.Exists)
             {
                 return;
             }
 
-            var fsFile = new FileInfo(Path.Combine(titleDir.FullName, RomfsContainer));
+            string modJsonPath = Path.Combine(AppDataManager.GamesDirPath, applicationId.ToString("x16"), "mods.json");
-            if (fsFile.Exists)
+            ModMetadata modMetadata = new();
+
+            if (File.Exists(modJsonPath))
             {
-                mods.RomfsContainers.Add(new Mod<FileInfo>($"<{titleDir.Name} RomFs>", fsFile));
+                try
+                {
+                    modMetadata = JsonHelper.DeserializeFromFile(modJsonPath, _serializerContext.ModMetadata);
+                }
+                catch
+                {
+                    Logger.Warning?.Print(LogClass.ModLoader, $"Failed to deserialize mod data for {applicationId:X16} at {modJsonPath}");
+                }
             }
 
-            fsFile = new FileInfo(Path.Combine(titleDir.FullName, ExefsContainer));
+            var fsFile = new FileInfo(Path.Combine(applicationDir.FullName, RomfsContainer));
             if (fsFile.Exists)
             {
-                mods.ExefsContainers.Add(new Mod<FileInfo>($"<{titleDir.Name} ExeFs>", fsFile));
+                var modData = modMetadata.Mods.Find(x => fsFile.FullName.Contains(x.Path));
+                var enabled = modData == null || modData.Enabled;
+
+                mods.RomfsContainers.Add(new Mod<FileInfo>($"<{applicationDir.Name} RomFs>", fsFile, enabled));
             }
 
-            AddModsFromDirectory(mods, titleDir, titleDir.Name);
+            fsFile = new FileInfo(Path.Combine(applicationDir.FullName, ExefsContainer));
+            if (fsFile.Exists)
+            {
+                var modData = modMetadata.Mods.Find(x => fsFile.FullName.Contains(x.Path));
+                var enabled = modData == null || modData.Enabled;
+
+                mods.ExefsContainers.Add(new Mod<FileInfo>($"<{applicationDir.Name} ExeFs>", fsFile, enabled));
+            }
+
+            AddModsFromDirectory(mods, applicationDir, modMetadata);
         }
 
-        public static void QueryContentsDir(ModCache mods, DirectoryInfo contentsDir, ulong titleId)
+        public static void QueryContentsDir(ModCache mods, DirectoryInfo contentsDir, ulong applicationId)
         {
             if (!contentsDir.Exists)
             {
                 return;
             }
 
-            Logger.Info?.Print(LogClass.ModLoader, $"Searching mods for {((titleId & 0x1000) != 0 ? "DLC" : "Title")} {titleId:X16}");
+            Logger.Info?.Print(LogClass.ModLoader, $"Searching mods for {((applicationId & 0x1000) != 0 ? "DLC" : "Application")} {applicationId:X16}");
 
-            var titleDir = FindTitleDir(contentsDir, $"{titleId:x16}");
+            var applicationDir = FindApplicationDir(contentsDir, $"{applicationId:x16}");
 
-            if (titleDir != null)
+            if (applicationDir != null)
             {
-                QueryTitleDir(mods, titleDir);
+                QueryApplicationDir(mods, applicationDir, applicationId);
             }
         }
 
@@ -387,9 +439,9 @@ namespace Ryujinx.HLE.HOS
             {
                 if (IsContentsDir(searchDir.Name))
                 {
-                    foreach ((ulong titleId, ModCache cache) in modCaches)
+                    foreach ((ulong applicationId, ModCache cache) in modCaches)
                     {
-                        QueryContentsDir(cache, searchDir, titleId);
+                        QueryContentsDir(cache, searchDir, applicationId);
                     }
 
                     return true;
@@ -410,7 +462,7 @@ namespace Ryujinx.HLE.HOS
                 if (!searchDir.Exists)
                 {
                     Logger.Warning?.Print(LogClass.ModLoader, $"Mod Search Dir '{searchDir.FullName}' doesn't exist");
-                    continue;
+                    return;
                 }
 
                 if (!TryQuery(searchDir, patches, modCaches))
@@ -425,21 +477,21 @@ namespace Ryujinx.HLE.HOS
             patches.Initialized = true;
         }
 
-        public void CollectMods(IEnumerable<ulong> titles, params string[] searchDirPaths)
+        public void CollectMods(IEnumerable<ulong> applications, params string[] searchDirPaths)
         {
             Clear();
 
-            foreach (ulong titleId in titles)
+            foreach (ulong applicationId in applications)
             {
-                _appMods[titleId] = new ModCache();
+                _appMods[applicationId] = new ModCache();
             }
 
             CollectMods(_appMods, _patches, searchDirPaths);
         }
 
-        internal IStorage ApplyRomFsMods(ulong titleId, IStorage baseStorage)
+        internal IStorage ApplyRomFsMods(ulong applicationId, IStorage baseStorage)
         {
-            if (!_appMods.TryGetValue(titleId, out ModCache mods) || mods.RomfsDirs.Count + mods.RomfsContainers.Count == 0)
+            if (!_appMods.TryGetValue(applicationId, out ModCache mods) || mods.RomfsDirs.Count + mods.RomfsContainers.Count == 0)
             {
                 return baseStorage;
             }
@@ -448,11 +500,16 @@ namespace Ryujinx.HLE.HOS
             var builder = new RomFsBuilder();
             int count = 0;
 
-            Logger.Info?.Print(LogClass.ModLoader, $"Applying RomFS mods for Title {titleId:X16}");
+            Logger.Info?.Print(LogClass.ModLoader, $"Applying RomFS mods for Application {applicationId:X16}");
 
             // Prioritize loose files first
             foreach (var mod in mods.RomfsDirs)
             {
+                if (!mod.Enabled)
+                {
+                    continue;
+                }
+
                 using (IFileSystem fs = new LocalFileSystem(mod.Path.FullName))
                 {
                     AddFiles(fs, mod.Name, fileSet, builder);
@@ -463,7 +520,12 @@ namespace Ryujinx.HLE.HOS
             // Then files inside images
             foreach (var mod in mods.RomfsContainers)
             {
-                Logger.Info?.Print(LogClass.ModLoader, $"Found 'romfs.bin' for Title {titleId:X16}");
+                if (!mod.Enabled)
+                {
+                    continue;
+                }
+
+                Logger.Info?.Print(LogClass.ModLoader, $"Found 'romfs.bin' for Application {applicationId:X16}");
                 using (IFileSystem fs = new RomFsFileSystem(mod.Path.OpenRead().AsStorage()))
                 {
                     AddFiles(fs, mod.Name, fileSet, builder);
@@ -519,9 +581,9 @@ namespace Ryujinx.HLE.HOS
             }
         }
 
-        internal bool ReplaceExefsPartition(ulong titleId, ref IFileSystem exefs)
+        internal bool ReplaceExefsPartition(ulong applicationId, ref IFileSystem exefs)
         {
-            if (!_appMods.TryGetValue(titleId, out ModCache mods) || mods.ExefsContainers.Count == 0)
+            if (!_appMods.TryGetValue(applicationId, out ModCache mods) || mods.ExefsContainers.Count == 0)
             {
                 return false;
             }
@@ -549,7 +611,7 @@ namespace Ryujinx.HLE.HOS
             public bool Modified => (Stubs.Data | Replaces.Data) != 0;
         }
 
-        internal ModLoadResult ApplyExefsMods(ulong titleId, NsoExecutable[] nsos)
+        internal ModLoadResult ApplyExefsMods(ulong applicationId, NsoExecutable[] nsos)
         {
             ModLoadResult modLoadResult = new()
             {
@@ -557,7 +619,7 @@ namespace Ryujinx.HLE.HOS
                 Replaces = new BitVector32(),
             };
 
-            if (!_appMods.TryGetValue(titleId, out ModCache mods) || mods.ExefsDirs.Count == 0)
+            if (!_appMods.TryGetValue(applicationId, out ModCache mods) || mods.ExefsDirs.Count == 0)
             {
                 return modLoadResult;
             }
@@ -571,6 +633,11 @@ namespace Ryujinx.HLE.HOS
 
             foreach (var mod in exeMods)
             {
+                if (!mod.Enabled)
+                {
+                    continue;
+                }
+
                 for (int i = 0; i < ProcessConst.ExeFsPrefixes.Length; ++i)
                 {
                     var nsoName = ProcessConst.ExeFsPrefixes[i];
@@ -637,11 +704,11 @@ namespace Ryujinx.HLE.HOS
             ApplyProgramPatches(nroPatches, 0, nro);
         }
 
-        internal bool ApplyNsoPatches(ulong titleId, params IExecutable[] programs)
+        internal bool ApplyNsoPatches(ulong applicationId, params IExecutable[] programs)
         {
             IEnumerable<Mod<DirectoryInfo>> nsoMods = _patches.NsoPatches;
 
-            if (_appMods.TryGetValue(titleId, out ModCache mods))
+            if (_appMods.TryGetValue(applicationId, out ModCache mods))
             {
                 nsoMods = nsoMods.Concat(mods.ExefsDirs);
             }
@@ -651,7 +718,7 @@ namespace Ryujinx.HLE.HOS
             return ApplyProgramPatches(nsoMods, 0x100, programs);
         }
 
-        internal void LoadCheats(ulong titleId, ProcessTamperInfo tamperInfo, TamperMachine tamperMachine)
+        internal void LoadCheats(ulong applicationId, ProcessTamperInfo tamperInfo, TamperMachine tamperMachine)
         {
             if (tamperInfo?.BuildIds == null || tamperInfo.CodeAddresses == null)
             {
@@ -660,9 +727,9 @@ namespace Ryujinx.HLE.HOS
                 return;
             }
 
-            Logger.Info?.Print(LogClass.ModLoader, $"Build ids found for title {titleId:X16}:\n    {String.Join("\n    ", tamperInfo.BuildIds)}");
+            Logger.Info?.Print(LogClass.ModLoader, $"Build ids found for application {applicationId:X16}:\n    {String.Join("\n    ", tamperInfo.BuildIds)}");
 
-            if (!_appMods.TryGetValue(titleId, out ModCache mods) || mods.Cheats.Count == 0)
+            if (!_appMods.TryGetValue(applicationId, out ModCache mods) || mods.Cheats.Count == 0)
             {
                 return;
             }
@@ -687,12 +754,12 @@ namespace Ryujinx.HLE.HOS
                 tamperMachine.InstallAtmosphereCheat(cheat.Name, cheatId, cheat.Instructions, tamperInfo, exeAddress);
             }
 
-            EnableCheats(titleId, tamperMachine);
+            EnableCheats(applicationId, tamperMachine);
         }
 
-        internal static void EnableCheats(ulong titleId, TamperMachine tamperMachine)
+        internal static void EnableCheats(ulong applicationId, TamperMachine tamperMachine)
         {
-            var contentDirectory = FindTitleDir(new DirectoryInfo(Path.Combine(GetModsBasePath(), AmsContentsDir)), $"{titleId:x16}");
+            var contentDirectory = FindApplicationDir(new DirectoryInfo(Path.Combine(GetModsBasePath(), AmsContentsDir)), $"{applicationId:x16}");
             string enabledCheatsPath = Path.Combine(contentDirectory.FullName, CheatDir, "enabled.txt");
 
             if (File.Exists(enabledCheatsPath))
@@ -724,6 +791,11 @@ namespace Ryujinx.HLE.HOS
             // Collect patches
             foreach (var mod in mods)
             {
+                if (!mod.Enabled)
+                {
+                    continue;
+                }
+
                 var patchDir = mod.Path;
                 foreach (var patchFile in patchDir.EnumerateFiles())
                 {

src/Ryujinx.HLE/Loaders/Processes/Extensions/LocalFileSystemExtensions.cs

@@ -16,10 +16,7 @@ namespace Ryujinx.HLE.Loaders.Processes
             var nacpData = new BlitStruct<ApplicationControlProperty>(1);
             ulong programId = metaLoader.GetProgramId();
 
-            device.Configuration.VirtualFileSystem.ModLoader.CollectMods(
+            device.Configuration.VirtualFileSystem.ModLoader.CollectMods(new[] { programId });
-                new[] { programId },
-                ModLoader.GetModsBasePath(),
-                ModLoader.GetSdModsBasePath());
 
             if (programId != 0)
             {

src/Ryujinx/Ui/Widgets/GameTableContextMenu.cs

@@ -497,7 +497,7 @@ namespace Ryujinx.Ui.Widgets
         private void OpenTitleModDir_Clicked(object sender, EventArgs args)
         {
             string modsBasePath = ModLoader.GetModsBasePath();
-            string titleModsPath = ModLoader.GetTitleDir(modsBasePath, _titleIdText);
+            string titleModsPath = ModLoader.GetApplicationDir(modsBasePath, _titleIdText);
 
             OpenHelper.OpenFolder(titleModsPath);
         }
@@ -505,7 +505,7 @@ namespace Ryujinx.Ui.Widgets
         private void OpenTitleSdModDir_Clicked(object sender, EventArgs args)
         {
             string sdModsBasePath = ModLoader.GetSdModsBasePath();
-            string titleModsPath = ModLoader.GetTitleDir(sdModsBasePath, _titleIdText);
+            string titleModsPath = ModLoader.GetApplicationDir(sdModsBasePath, _titleIdText);
 
             OpenHelper.OpenFolder(titleModsPath);
         }

src/Ryujinx/Ui/Windows/CheatWindow.cs

@@ -31,7 +31,7 @@ namespace Ryujinx.Ui.Windows
             _buildIdTextView.Buffer.Text = $"BuildId: {ApplicationData.GetApplicationBuildId(virtualFileSystem, titlePath)}";
 
             string modsBasePath = ModLoader.GetModsBasePath();
-            string titleModsPath = ModLoader.GetTitleDir(modsBasePath, titleId.ToString("X16"));
+            string titleModsPath = ModLoader.GetApplicationDir(modsBasePath, titleId.ToString("X16"));
 
             _enabledCheatsPath = System.IO.Path.Combine(titleModsPath, "cheats", "enabled.txt");