use fake profile name for nh

QSB-NH/Patches/GameStateMessagePatches.cs

@@ -15,6 +15,12 @@
 namespace QSBNH.Patches;
 
 
+/// <summary>
+/// extremely jank way to inject system and nh addons when joining.
+/// this should probably be split into its own separate message, but it doesnt really matter :P
+///
+/// BUG: completely explodes if one person has nh and the other does not
+/// </summary>
 internal class GameStateMessagePatches : QSBPatch
 {
 	public override QSBPatchTypes Type => QSBPatchTypes.OnModStart;

QSB-NH/Patches/NewHorizonsDataPatches.cs

@@ -0,0 +1,33 @@
+using HarmonyLib;
+using NewHorizons.External;
+using QSB;
+using QSB.Patches;
+using QSB.SaveSync;
+using QSB.Utility;
+
+namespace QSBNH.Patches;
+
+/// <summary>
+/// pretends to be a new profile when in multiplayer so nh saves its data to a new place
+/// </summary>
+public class NewHorizonsDataPatches : QSBPatch
+{
+	public override QSBPatchTypes Type => QSBPatchTypes.OnModStart;
+
+	[HarmonyPrefix]
+	[HarmonyPatch(typeof(NewHorizonsData), nameof(NewHorizonsData.GetProfileName))]
+	public static bool NewHorizonsData_GetProfileName(out string __result)
+	{
+		if (QSBCore.IsInMultiplayer)
+		{
+			DebugLog.DebugWrite($"using fake multiplayer profile for nh");
+			__result = QSBStandaloneProfileManager.SharedInstance?.currentProfile?.profileName + "_mult";
+		}
+		else
+		{
+			__result = QSBStandaloneProfileManager.SharedInstance?.currentProfile?.profileName;
+		}
+
+		return false;
+	}
+}

QSB-NH/QSB-NH.csproj

@@ -4,8 +4,8 @@
     <TargetFramework>net48</TargetFramework>
     <RootNamespace>QSBNH</RootNamespace>
     <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
     <OutputPath Condition="Exists('$(OwmlDir)')">$(OwmlDir)\Mods\Raicuparta.QuantumSpaceBuddies</OutputPath>
+    <NoWarn>CS1998;CS0649</NoWarn>
   </PropertyGroup>
 
   <ItemGroup>

QSB-NH/WarpManager.cs

@@ -118,7 +118,6 @@ public override void OnReceiveRemote()
 		}
 	}
 
-	[HarmonyPatch]
 	public class NHWarpPatch : QSBPatch
 	{
 		public override QSBPatchTypes Type => QSBPatchTypes.OnModStart;