Added a new pop for errors in critical areas of the mod

Source/Rule56/Debugging/ExceptionUtility.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Diagnostics;
+using Verse;
+namespace CombatAI
+{
+    public static class ExceptionUtility
+    {
+        public static bool enabled = true;
+
+        public static void ShowExceptionGui(this Exception er, bool rethrow = true)
+        {
+            Log.Error($"ISMA: base error {er.ToString()}");
+            if (enabled && Find.WindowStack.windows.Count(w => w is Window_Exception) <= 3)
+            {
+                StackTrace       trace  = new StackTrace();
+                Window_Exception window = new Window_Exception(er, trace, string.Empty);
+                Find.WindowStack.Add(window);
+            }
+            if (rethrow)
+            {
+                throw er;
+            }
+        }
+    }
+}

Source/Rule56/Debugging/Window_Exception.cs

@@ -0,0 +1,92 @@
+using System;
+using System.CodeDom;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Reflection;
+using CombatAI.Gui;
+using UnityEngine;
+using Verse;
+using GUIUtility = CombatAI.Gui.GUIUtility;
+namespace CombatAI
+{
+    public class Window_Exception : Window
+    {
+        private readonly Listing_Collapsible collapsible;
+        private readonly Exception           exception;
+        private readonly string              report;
+        private readonly StackTrace          trace;
+
+        public Window_Exception(Exception exception, StackTrace trace, string report)
+        {
+            this.drawShadow  = true;
+            this.forcePause  = true;
+            this.layer       = WindowLayer.Super;
+            this.draggable   = false;
+            this.collapsible = new Listing_Collapsible();
+            this.exception   = exception;
+            this.trace       = trace;
+            this.report      = report.NullOrEmpty() ? exception.Message : report;
+
+        }
+
+        public override Vector2 InitialSize
+        {
+            get
+            {
+                Vector2 vec = new Vector2();
+                vec.x = Mathf.RoundToInt(Maths.Max(UI.screenWidth  * 0.45f, 500));
+                vec.y = Mathf.RoundToInt(Maths.Max(UI.screenHeight * 0.45f, 400));
+                return vec;
+            }
+        }
+
+        public override void DoWindowContents(Rect inRect)
+        {
+            Rect bot = inRect.BottomPartPixels(60);
+            Rect top = inRect.TopPartPixels(inRect.height - 60);
+            collapsible.Expanded = true;
+            collapsible.Begin(top, "IMPORTANT: CAI-5000 Has encountered an <color=red>Error</color>");
+            try
+            {
+                collapsible.Label($"Error type:<color=yellow>\t{typeof(Exception)}</color>");
+                collapsible.Label($"{report}");
+                collapsible.Line(1);
+                collapsible.Label("Trace:", fontStyle: FontStyle.Bold);
+                for (int i = 1; i < trace.FrameCount; i++)
+                {
+                    StackFrame frame = trace.GetFrame(i);
+                    if (typeof(Root).IsAssignableFrom(frame.GetMethod().GetType()))
+                    {
+                        break;
+                    }
+                    collapsible.Gap(2);
+                    collapsible.Label($"<color=red>{String.Format("{0,2}", i)}.strace</color>: {frame.GetMethod().DeclaringType}/{frame.GetMethod().ReflectedType}:{frame.GetMethod().Name}", fontSize: GUIFontSize.Smaller, fontStyle: FontStyle.Normal);
+                    Type     t        = frame.GetMethod().GetType();
+                    collapsible.Label($"<color=red>{String.Format("{0,2}", i)}.source.2</color>: assembly ({t.Assembly})", fontSize:  GUIFontSize.Tiny);
+                }
+                collapsible.Line(1);
+                collapsible.Gap();
+            }
+            catch (Exception er)
+            {
+                Log.Error(er.ToString());
+            }
+            collapsible.End(ref top);
+            Widgets.TextArea(bot.TopPartPixels(40), "Please report this to CAI-5000 discord https://discord.gg/ftCjYB7jDe or on github https://github.com/kbatbouta/CAI-5000/issues/new", true);
+            GUIUtility.ExecuteSafeGUIAction(() =>
+            {
+                if (Widgets.ButtonText(bot.BottomPartPixels(20).LeftHalf(), "Close"))
+                {
+                    Close();
+                }
+                GUI.color = Color.red;
+                if (Widgets.ButtonText(bot.BottomPartPixels(20).RightHalf(), "Disable Pop-ups and Close"))
+                {
+                    ExceptionUtility.enabled = false;
+                    Close();
+                }
+            });
+        }
+    }
+}