From d6eeec0669aef43cb573821904611503c25a3d09 Mon Sep 17 00:00:00 2001
From: js6pak <kubastaron@hotmail.com>
Date: Sun, 3 Jan 2021 19:53:09 +0100
Subject: [PATCH] Make imgui Window use GUILayout

---
 Reactor.Debugger/DebuggerPlugin.cs  |  2 +-
 Reactor/Extensions/GUIExtensions.cs | 14 ++++++-
 Reactor/Unstrip/Patches.cs          | 57 ++++++++++++++++++++++++++++-
 3 files changed, 70 insertions(+), 3 deletions(-)

diff --git a/Reactor.Debugger/DebuggerPlugin.cs b/Reactor.Debugger/DebuggerPlugin.cs
index ad2e401..898c610 100644
--- a/Reactor.Debugger/DebuggerPlugin.cs
+++ b/Reactor.Debugger/DebuggerPlugin.cs
@@ -43,7 +43,7 @@ namespace Reactor.Debugger
 
             public DebuggerComponent(IntPtr ptr) : base(ptr)
             {
-                TestWindow = new DragWindow(new Rect(20, 20, 120, 120), "Debugger", () =>
+                TestWindow = new DragWindow(new Rect(20, 20, 0, 0), "Debugger", () =>
                 {
                     GUILayout.Label("Name: " + SaveManager.PlayerName, new Il2CppReferenceArray<GUILayoutOption>(0));
                     DisableGameEnd = GUILayout.Toggle(DisableGameEnd, "Disable game end", new Il2CppReferenceArray<GUILayoutOption>(0));
diff --git a/Reactor/Extensions/GUIExtensions.cs b/Reactor/Extensions/GUIExtensions.cs
index 4b24c3d..cdc2340 100644
--- a/Reactor/Extensions/GUIExtensions.cs
+++ b/Reactor/Extensions/GUIExtensions.cs
@@ -1,4 +1,5 @@
 using System;
+using UnhollowerBaseLib;
 using UnityEngine;
 using UnityEngine.EventSystems;
 using UnityEngine.UI;
@@ -29,6 +30,16 @@ namespace Reactor.Extensions
             return rect;
         }
 
+        /// <summary>
+        /// Reset Rect size
+        /// </summary>
+        public static Rect ResetSize(this Rect rect)
+        {
+            rect.width = rect.height = 0;
+
+            return rect;
+        }
+
         /// <summary>
         /// Create <see cref="Sprite"/> from <paramref name="tex"/>
         /// </summary>
@@ -103,7 +114,8 @@ namespace Reactor.Extensions
         {
             if (Enabled)
             {
-                Rect = GUI.Window(Id, Rect, Func, Title);
+                Rect = Rect.ResetSize();
+                Rect = GUILayout.Window(Id, Rect, Func, Title, new Il2CppReferenceArray<GUILayoutOption>(0));
             }
         }
     }
diff --git a/Reactor/Unstrip/Patches.cs b/Reactor/Unstrip/Patches.cs
index 03ada82..08488ae 100644
--- a/Reactor/Unstrip/Patches.cs
+++ b/Reactor/Unstrip/Patches.cs
@@ -13,13 +13,68 @@ namespace Reactor.Unstrip
         [HarmonyPatch(typeof(GUIUtility), nameof(GUIUtility.HasKeyFocus))]
         public static class HasKeyFocusPatch
         {
-            public static bool Prefix(int controlID, ref bool __result)
+            public static bool Prefix(int controlID, out bool __result)
             {
                 __result = controlID == GUIUtility.keyboardControl;
                 return false;
             }
         }
 
+        [HarmonyPatch(typeof(GUILayout), nameof(GUILayout.DoWindow), typeof(int), typeof(Rect), typeof(GUI.WindowFunction), typeof(GUIContent), typeof(GUIStyle), typeof(Il2CppReferenceArray<GUILayoutOption>))]
+        public static class DoWindowPatch
+        {
+            private sealed class LayoutedWindow
+            {
+                internal LayoutedWindow(GUI.WindowFunction f, Rect screenRect, GUIContent content, GUILayoutOption[] options, GUIStyle style)
+                {
+                    this.m_Func = f;
+                    this.m_ScreenRect = screenRect;
+                    this.m_Options = options;
+                    this.m_Style = style;
+                }
+
+                public void DoWindow(int windowID)
+                {
+                    var topLevel = GUILayoutUtility.current.topLevel;
+                    var type = Event.current.type;
+                    if (type != EventType.Layout)
+                    {
+                        topLevel.ResetCursor();
+                    }
+                    else
+                    {
+                        topLevel.resetCoords = true;
+                        topLevel.rect = this.m_ScreenRect;
+                        var flag = this.m_Options != null;
+                        if (flag)
+                        {
+                            topLevel.ApplyOptions(this.m_Options);
+                        }
+
+                        topLevel.isWindow = true;
+                        topLevel.windowID = windowID;
+                        topLevel.style = this.m_Style;
+                    }
+
+                    this.m_Func.Invoke(windowID);
+                }
+
+                private readonly GUI.WindowFunction m_Func;
+                private readonly Rect m_ScreenRect;
+                private readonly GUILayoutOption[] m_Options;
+                private readonly GUIStyle m_Style;
+            }
+
+            public static bool Prefix(int id, Rect screenRect, GUI.WindowFunction func, GUIContent content, GUIStyle style, Il2CppReferenceArray<GUILayoutOption> options, out Rect __result)
+            {
+                GUIUtility.CheckOnGUI();
+                var @object = new LayoutedWindow(func, screenRect, content, options, style);
+                __result = GUI.Window(id, screenRect, (GUI.WindowFunction) @object.DoWindow, content, style);
+
+                return false;
+            }
+        }
+
         [HarmonyPatch(typeof(GUILayoutGroup), nameof(GUILayoutGroup.Add))]
         public static class AddPatch
         {