feat: added "menu" panic button

This avoids restarting the game when encountering an unknown issue.

Addons/GBSUClient.cs

@@ -1,4 +1,5 @@
 using GB.Core;
+using GB.Networking.Utils;
 using GB.Platform.Lobby;
 using UnityEngine;
 
@@ -21,4 +22,11 @@ public class GBSUClient : MonoBehaviour
             GBSUGui.PushError("You are currently hosting a game! Please stop your server before attempting to join.");
         }
     }
+
+    // this method should be used when something has went wrong
+    // because players can just use the escape menu to exit
+    public static void DisconnectFromServer()
+    {
+        GBNetUtils.DisconnectSelf(false);
+    }
 }

Addons/GBSUGui.cs

@@ -59,6 +59,10 @@ Set CLI arguments: -ip, -port (optionally -maplist)
         {
             Application.Quit(0);
         }
+        if (GUI.Button(new Rect(320f, 45f, 55f, 30f), "Menu"))
+        {
+            Helper.SwitchToMenu();
+        }
         if (Helper.serverip != null)
         {
             if (GUI.Button(new Rect(20f, 260f, 170f, 30f), "Host"))

Addons/GBSUServer.cs

@@ -4,7 +4,6 @@ using GB.Core;
 using GB.Game;
 using HarmonyLib;
 using UnityEngine;
-using UnityEngine.SceneManagement;
 
 #pragma warning disable IDE0051 // Private member is unused
 
@@ -63,7 +62,7 @@ public class GBSUServer : MonoBehaviour
         Plugin.DestroyServerComp();
 
         // go back to main menu
-        SceneManager.LoadScene("Menu");
+        Helper.SwitchToMenu();
     }
     /*
     public string GetRemainingRoundTime()

Addons/Helper.cs

@@ -1,7 +1,11 @@
 using System;
 using System.IO;
+using GB.Core;
+using GB.Networking.Utils;
+using GB.Platform.Lobby;
 using UnityEngine;
 using UnityEngine.Analytics;
+using UnityEngine.SceneManagement;
 
 namespace GBSU.Addons;
 public class Helper
@@ -83,4 +87,32 @@ public class Helper
             Plugin.Log.LogInfo("Set custom rotation config path at " + GameConfigPath);
         }
     }
+
+    public static void SwitchToMenu()
+    {
+        if (hosting)
+        {
+            GBSUGui.PushError("Please press the Stop server button instead!");
+        }
+        else
+        {
+            // uhm, time to panic!
+
+            // let's begin by disconnecting if theres an active connection
+            try
+            {
+                GBNetUtils.DisconnectSelf(false);
+            }
+            catch (Exception e)
+            {
+                Plugin.Log.LogWarning("Couldn't disconnect from server:\n" + e);
+            }
+
+            // go back to main menu
+            SceneManager.LoadScene(Global.MENU_SCENE_NAME);
+
+            // make sure our lobby state is menu
+            LobbyManager.Instance.LobbyStates.SelfState = LobbyState.Game.Menu;
+        }
+    }
 }