hack in team chat support

OpenRA.Game/Network/Order.cs

@@ -171,6 +171,11 @@ namespace OpenRA
 			return new Order("Chat", null, text) { IsImmediate = true };
 		}
 
+		public static Order TeamChat(string text)
+		{
+			return new Order("TeamChat", null, text) { IsImmediate = true };
+		}
+
 		public static Order StartProduction(Player subject, string item, int count)
 		{
 			return new Order("StartProduction", subject.PlayerActor, new int2( count, 0 ), item );

OpenRA.Game/Network/UnitOrders.cs

@@ -37,6 +37,20 @@ namespace OpenRA.Network
 						Game.chat.AddLine(client, order.TargetString);
 					break;
 				}
+			case "TeamChat":
+				{
+					var client = Game.LobbyInfo.Clients.FirstOrDefault(c => c.Index == clientId);
+					if (client != null)
+					{
+						var player = Game.world.players.Values.FirstOrDefault(p => p.Index == client.Index);
+						var isAlly = player != null && Game.world.LocalPlayer != null
+							&& player.Stances[Game.world.LocalPlayer] == Stance.Ally;
+
+						if (isAlly)
+							Game.chat.AddLine(client, "(Team) " + order.TargetString);
+					}
+					break;
+				}
 			case "StartGame":
 				{
 					Game.chat.AddLine(Color.White, "Server", "The game has started.");