From 611a928a470621a7f4c15704fde541d1585e66df Mon Sep 17 00:00:00 2001
From: RoosterDragon <RoosterDragon@outlook.com>
Date: Tue, 22 Dec 2015 16:28:40 +0000
Subject: [PATCH] Prevent changing world players after being set once.

---
 OpenRA.Game/World.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/OpenRA.Game/World.cs b/OpenRA.Game/World.cs
index 4cacd3392d..708e253c40 100644
--- a/OpenRA.Game/World.cs
+++ b/OpenRA.Game/World.cs
@@ -42,6 +42,8 @@ namespace OpenRA
 
 		public void SetPlayers(IEnumerable<Player> players, Player localPlayer)
 		{
+			if (Players.Length > 0)
+				throw new InvalidOperationException("Players are fixed once they have been set.");
 			Players = players.ToArray();
 			SetLocalPlayer(localPlayer);
 		}