Confirm exiting dialog done

A bit of customization can be done here

.gitattributes

@@ -0,0 +1,63 @@
+###############################################################################
+# Set default behavior to automatically normalize line endings.
+###############################################################################
+* text=auto
+
+###############################################################################
+# Set default behavior for command prompt diff.
+#
+# This is need for earlier builds of msysgit that does not have it on by
+# default for csharp files.
+# Note: This is only used by command line
+###############################################################################
+#*.cs     diff=csharp
+
+###############################################################################
+# Set the merge driver for project and solution files
+#
+# Merging from the command prompt will add diff markers to the files if there
+# are conflicts (Merging from VS is not affected by the settings below, in VS
+# the diff markers are never inserted). Diff markers may cause the following 
+# file extensions to fail to load in VS. An alternative would be to treat
+# these files as binary and thus will always conflict and require user
+# intervention with every merge. To do so, just uncomment the entries below
+###############################################################################
+#*.sln       merge=binary
+#*.csproj    merge=binary
+#*.vbproj    merge=binary
+#*.vcxproj   merge=binary
+#*.vcproj    merge=binary
+#*.dbproj    merge=binary
+#*.fsproj    merge=binary
+#*.lsproj    merge=binary
+#*.wixproj   merge=binary
+#*.modelproj merge=binary
+#*.sqlproj   merge=binary
+#*.wwaproj   merge=binary
+
+###############################################################################
+# behavior for image files
+#
+# image files are treated as binary by default.
+###############################################################################
+#*.jpg   binary
+#*.png   binary
+#*.gif   binary
+
+###############################################################################
+# diff behavior for common document formats
+# 
+# Convert binary document formats to text before diffing them. This feature
+# is only available from the command line. Turn it on by uncommenting the 
+# entries below.
+###############################################################################
+#*.doc   diff=astextplain
+#*.DOC   diff=astextplain
+#*.docx  diff=astextplain
+#*.DOCX  diff=astextplain
+#*.dot   diff=astextplain
+#*.DOT   diff=astextplain
+#*.pdf   diff=astextplain
+#*.PDF   diff=astextplain
+#*.rtf   diff=astextplain
+#*.RTF   diff=astextplain

BeatSaberCustomExit/BeatSaberCustomExit/MainMenuUIOverload.cs

@@ -0,0 +1,101 @@
+using BeatSaverDownloader.Misc;
+using CustomUI.BeatSaber;
+using System;
+using System.Collections;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+using UnityEngine.UI;
+
+namespace BeatSaberCustomExit
+{
+    class MainMenuUIOverload : MonoBehaviour
+    {
+        private CustomMenu _CustomMenu;
+        private CustomViewController _CustomViewController;
+
+        public bool Initialized = false;
+        public bool ConfirmExitDialogOpened = false;
+
+        private static MainMenuUIOverload _instance = null;
+        public static MainMenuUIOverload Instance
+        {
+            get
+            {
+                if (!_instance)
+                {
+                    _instance = new GameObject("[BeatSaverCustomExit] MainMenuUIOverload").AddComponent<MainMenuUIOverload>();
+                    DontDestroyOnLoad(_instance.gameObject);
+                }
+                return _instance;
+            }
+            private set
+            {
+                _instance = value;
+            }
+        }
+
+        public void OnLoad()
+        {
+            Initialized = false;
+            SetupUI();
+        }
+
+        private void _SetupConfirmQuitPanel()
+        {
+            _CustomMenu = BeatSaberUI.CreateCustomMenu<CustomMenu>("Quit");
+            _CustomViewController = BeatSaberUI.CreateViewController<CustomViewController>();
+
+            if (_CustomMenu != null && _CustomViewController != null)
+            {
+                _CustomViewController.didDeactivateEvent += (deactivationType) => { ConfirmExitDialogOpened = false; };
+                _CustomMenu.SetMainViewController(_CustomViewController, false, (firstActivation, type) =>
+                {
+                    if (firstActivation && type == VRUI.VRUIViewController.ActivationType.AddedToHierarchy)
+                    {
+                        var topText = _CustomViewController.CreateText(PluginConfig.TextContent, new Vector2(0, 10f), new Vector2(105f, 10));
+                        if (topText != null)
+                        {
+                            topText.alignment = TMPro.TextAlignmentOptions.Center;
+                            topText.fontSize = 6;
+                        }
+                        else
+                            Console.WriteLine("[BeatSaberCustomExit.MainMenuUIOverload]: 'topText' was null.");
+
+                        var buttonCancel = _CustomViewController.CreateUIButton("CreditsButton", new Vector2(-20f, -20f), new Vector2(30f, 10f),
+                                                                                delegate () { _CustomMenu.Dismiss(); }, "Cancel");
+                        var buttonConfirm = _CustomViewController.CreateUIButton("CreditsButton", new Vector2(20, -20f), new Vector2(30f, 10f),
+                                                                                    delegate () { Application.Quit(); }, "Confirm");
+                        if (buttonCancel != null)
+                            buttonCancel.ToggleWordWrapping(false);
+                        else
+                            Console.WriteLine("[BeatSaberCustomExit.MainMenuUIOverload]: 'buttonCancel' was null.");
+
+                        if (buttonConfirm != null)
+                            buttonConfirm.ToggleWordWrapping(false);
+                        else
+                            Console.WriteLine("[BeatSaberCustomExit.MainMenuUIOverload]: 'buttonConfirm' was null.");
+                    }
+                });
+            } else
+                Console.WriteLine("[BeatSaberCustomExit.MainMenuUIOverload]: '_CustomMenu' or '_CustomViewController' was null.");
+        }
+
+        public void ShowConfirmQuitPanel()
+        {
+            if (!ConfirmExitDialogOpened && _CustomMenu != null)
+                _CustomMenu.Present(false);
+        }
+
+        private void SetupUI()
+        {
+            if (Initialized) return;
+
+            _SetupConfirmQuitPanel();
+
+            Initialized = true;
+        }
+    }
+}

BeatSaberCustomExit/BeatSaberCustomExit/Patches/HandleMainMenuViewControllerDidFinishPatch.cs

@@ -0,0 +1,23 @@
+using BeatSaberCustomExit;
+using BeatSaverDownloader.Misc;
+using Harmony;
+using System;
+using UnityEngine;
+
+[HarmonyPatch(typeof(MainFlowCoordinator), "HandleMainMenuViewControllerDidFinish",
+    new Type[] { typeof(MainMenuViewController), typeof(MainMenuViewController.MenuButton) })]
+class HandleMainMenuViewControllerDidFinishPatch
+{
+    public static bool Prefix(MainMenuViewController viewController, MainMenuViewController.MenuButton subMenuType)
+    {
+        if (subMenuType == MainMenuViewController.MenuButton.Quit)
+        {
+            if (PluginConfig.EnablePlugin)
+                MainMenuUIOverload.Instance.ShowConfirmQuitPanel();
+            else
+                Application.Quit();
+            return false;
+        }
+        return true;
+    }
+}

BeatSaberCustomExit/BeatSaberCustomExit/Plugin.cs

@@ -0,0 +1,76 @@
+using BeatSaverDownloader.Misc;
+using BeatSaverDownloader.UI;
+using Harmony;
+using IllusionPlugin;
+using System;
+using System.Reflection;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+
+namespace BeatSaberCustomExit
+{
+    public class Plugin : IPlugin
+    {
+        public string Name => "BeatSaberCustomExit";
+        public string Version => "1.0.0";
+
+        public void OnApplicationStart()
+        {
+            SceneManager.activeSceneChanged += SceneManagerOnActiveSceneChanged;
+            SceneManager.sceneLoaded += SceneManager_sceneLoaded;
+            PluginConfig.LoadOrCreateConfig();
+            HarmonyInstance harmony = HarmonyInstance.Create("com.Shoko84.beatsaber.BeatSaberCustomExit");
+            harmony.PatchAll(Assembly.GetExecutingAssembly());
+        }
+
+        public void OnApplicationQuit()
+        {
+            SceneManager.activeSceneChanged -= SceneManagerOnActiveSceneChanged;
+            SceneManager.sceneLoaded -= SceneManager_sceneLoaded;
+            PluginConfig.SaveConfig();
+        }
+
+        private void SceneManagerOnActiveSceneChanged(Scene from, Scene to)
+        {
+            Console.WriteLine($"[BeatSaberCustomExit] Active scene changed from \"{from.name}\" to \"{to.name}\"");
+
+            if (from.name == "EmptyTransition" && to.name.Contains("Menu"))
+            {
+                try
+                {
+                    SettingsUI.Instance.OnLoad();
+                    if (PluginConfig.EnablePlugin)
+                        MainMenuUIOverload.Instance.OnLoad();
+                }
+                catch (Exception e)
+                {
+                    Console.WriteLine("Exception on scene change: " + e);
+                }
+            }
+        }
+
+        private void SceneManager_sceneLoaded(Scene from, LoadSceneMode to)
+        {
+
+        }
+
+        public void OnLevelWasLoaded(int level)
+        {
+
+        }
+
+        public void OnLevelWasInitialized(int level)
+        {
+        }
+
+        public void OnUpdate()
+        {
+
+        }
+
+        public void OnFixedUpdate()
+        {
+
+        }
+    }
+}

BeatSaberCustomExit/BeatSaberCustomExit/Properties/AssemblyInfo.cs

@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("BeatSaberCustomExit")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("BeatSaberCustomExit")]
+[assembly: AssemblyCopyright("Copyright ©  2018")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components.  If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("42bc6ce7-6d1c-429d-97fd-ae4fc39b5b9f")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version
+//      Build Number
+//      Revision
+//
+// 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("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

BeatSaberCustomExit/BeatSaberCustomExit/Settings/PluginConfig.cs

@@ -0,0 +1,47 @@
+using IllusionPlugin;
+using Microsoft.Win32;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Xml.Serialization;
+
+namespace BeatSaverDownloader.Misc
+{
+    public class PluginConfig
+    {
+        public static bool EnablePlugin = true;
+        public static string TextContent = "Are you really sure to quit <b><color=#FF6060>Beat <color=#00B0FF>Saber</b><color=#FFFFFF> ?";
+
+        public static void LoadOrCreateConfig()
+        {
+            if (!Directory.Exists("UserData"))
+                Directory.CreateDirectory("UserData");
+
+            //EnablePlugin property
+            if (!ModPrefs.HasKey("BeatSaverCustomExit", "EnablePlugin"))
+            {
+                ModPrefs.SetBool("BeatSaverCustomExit", "EnablePlugin", true);
+                Console.WriteLine("Created config");
+            }
+            else
+                EnablePlugin = ModPrefs.GetBool("BeatSaverCustomExit", "EnablePlugin", true, true);
+
+            //TextContent property
+            if (!ModPrefs.HasKey("BeatSaverCustomExit", "TextContent"))
+            {
+                ModPrefs.SetString("BeatSaverCustomExit", "TextContent", "Are you really sure to quit <b><color=#FF6060>Beat <color=#00B0FF>Saber</b><color=#FFFFFF> ?");
+                Console.WriteLine("Created config");
+            }
+            else
+                TextContent = ModPrefs.GetString("BeatSaverCustomExit", "TextContent", "Are you really sure to quit <b><color=#FF6060>Beat <color=#00B0FF>Saber</b><color=#FFFFFF> ?", true);
+        }
+
+        public static void SaveConfig()
+        {
+            ModPrefs.SetBool("BeatSaverCustomExit", "EnablePlugin", EnablePlugin);
+            ModPrefs.SetString("BeatSaverCustomExit", "TextContent", TextContent);
+        }
+    }
+}