bot and humans hate each other, even if the host is on a team.

OpenRA.Game/Player.cs

@@ -37,7 +37,8 @@ namespace OpenRA
 		public readonly int Index;
 		public readonly bool NonCombatant = false;
 		public readonly int ClientIndex;
-		public readonly PlayerReference PlayerRef;
+		public readonly PlayerReference PlayerRef;
+		public bool IsBot;
 		
 		public ShroudRenderer Shroud;
 		public World World { get; private set; }

OpenRA.Mods.RA/CreateMPPlayers.cs

@@ -63,6 +63,9 @@ namespace OpenRA.Mods.RA
 					if (Game.IsHost)
 						foreach (var bot in player.PlayerActor.TraitsImplementing<IBot>())
 							bot.Activate(player);
+
+					/* a bit of a hack */
+					player.IsBot = true;
 				}
 			}
 			
@@ -86,6 +89,9 @@ namespace OpenRA.Mods.RA
 			// Hack: All map players are neutral wrt everyone else
 			if (p.Index < 0 || q.Index < 0) return Stance.Neutral;
 
+			if (p.IsBot ^ q.IsBot)
+				return Stance.Enemy;	// bots and humans hate each other
+
 			var pc = GetClientForPlayer(p);
 			var qc = GetClientForPlayer(q);