(gecko) Allow mods to override order validation

OpenRA.Game/Network/Connection.cs

@@ -18,7 +18,7 @@ using OpenRA.Support;
 
 namespace OpenRA.Network
 {
-	enum ConnectionState
+    public enum ConnectionState
 	{
 		PreConnecting,
 		NotConnected,
@@ -26,7 +26,7 @@ namespace OpenRA.Network
 		Connected,
 	}
 
-	interface IConnection : IDisposable
+    public interface IConnection : IDisposable
 	{
 		int LocalClientId { get; }
 		ConnectionState ConnectionState { get; }

OpenRA.Game/Network/OrderManager.cs

@@ -16,7 +16,7 @@ using OpenRA.FileFormats;
 
 namespace OpenRA.Network
 {
-	class OrderManager : IDisposable
+    public class OrderManager : IDisposable
 	{
 		readonly SyncReport syncReport;
 		readonly FrameData frameData = new FrameData();

OpenRA.Game/Network/UnitOrders.cs

@@ -27,14 +27,14 @@ namespace OpenRA.Network
 
 		public static void ProcessOrder( OrderManager orderManager, World world, int clientId, Order order )
 		{
-			// Drop exploiting orders
-			if (order.Subject != null && order.Subject.Owner.ClientIndex != clientId)
+			if (world != null)
 			{
-				Game.Debug("Detected exploit order from {0}: {1}".F(clientId, order.OrderString));
-				return;
+				if (!world.WorldActor.TraitsImplementing<IValidateOrder>().All(vo =>
+					vo.OrderValidation(orderManager, world, clientId, order)))
+					return;
 			}
-			
-			switch( order.OrderString )
+
+		    switch( order.OrderString )
 			{
 			case "Chat":
 				{