From 84ee48ecb2841e3e4a1d9434ff9ca569873c1ad0 Mon Sep 17 00:00:00 2001
From: JohnCorby <williamforgames6@gmail.com>
Date: Sat, 6 May 2023 20:00:53 -0700
Subject: [PATCH] revert to old value if fail to set the transport

---
 QSB/QSBCore.cs           | 8 +++++++-
 QSB/QSBNetworkManager.cs | 5 +++--
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/QSB/QSBCore.cs b/QSB/QSBCore.cs
index 995e1ec8..81c853a5 100644
--- a/QSB/QSBCore.cs
+++ b/QSB/QSBCore.cs
@@ -255,8 +255,14 @@ public class QSBCore : ModBehaviour
 
 	public override void Configure(IModConfig config)
 	{
+		var useKcpTransport = UseKcpTransport;
 		UseKcpTransport = config.GetSettingsValue<bool>("useKcpTransport") || DebugSettings.AutoStart;
-		QSBNetworkManager.UpdateTransport();
+		if (!QSBNetworkManager.UpdateTransport())
+		{
+			UseKcpTransport = useKcpTransport;
+			config.SetSettingsValue("useKcpTransport", useKcpTransport);
+			Helper.Storage.Save(config, Constants.ModConfigFileName);
+		}
 
 		DefaultServerIP = config.GetSettingsValue<string>("defaultServerIP");
 		IncompatibleModsAllowed = config.GetSettingsValue<bool>("incompatibleModsAllowed");
diff --git a/QSB/QSBNetworkManager.cs b/QSB/QSBNetworkManager.cs
index 04b4e12d..becb4348 100644
--- a/QSB/QSBNetworkManager.cs
+++ b/QSB/QSBNetworkManager.cs
@@ -164,11 +164,11 @@ public class QSBNetworkManager : NetworkManager, IAddComponentOnStart
 		ConfigureNetworkManager();
 	}
 
-	public static void UpdateTransport()
+	public static bool UpdateTransport()
 	{
 		if (QSBCore.IsInMultiplayer)
 		{
-			return;
+			return false;
 		}
 		if (singleton != null)
 		{
@@ -178,6 +178,7 @@ public class QSBNetworkManager : NetworkManager, IAddComponentOnStart
 		{
 			MenuManager.Instance.OnLanguageChanged(); // hack to update text
 		}
+		return true;
 	}
 
 	private void InitPlayerName() =>