Prepare HackyAI for module support

- Split order handling to BotOrderManager
- Make HackyAI provide a condition
- Move BotDebug to AIUtils

OpenRA.Mods.Common/AI/BotOrderManager.cs

@@ -0,0 +1,54 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2018 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * information, see COPYING.
+ */
+#endregion
+
+using System;
+using System.Collections.Generic;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.AI
+{
+	public sealed class BotOrderManagerInfo : ITraitInfo
+	{
+		[Desc("Minimum portion of pending orders to issue each tick (e.g. 5 issues at least 1/5th of all pending orders). Excess orders remain queued for subsequent ticks.")]
+		public readonly int MinOrderQuotientPerTick = 5;
+
+		public object Create(ActorInitializer init) { return new BotOrderManager(this); }
+	}
+
+	public sealed class BotOrderManager : ITick
+	{
+		readonly BotOrderManagerInfo info;
+		readonly Queue<Order> orders = new Queue<Order>();
+
+		public BotOrderManager(BotOrderManagerInfo info)
+		{
+			this.info = info;
+		}
+
+		public void QueueOrder(Order order)
+		{
+			orders.Enqueue(order);
+		}
+
+		void IssueOrders(World world)
+		{
+			var ordersToIssueThisTick = Math.Min((orders.Count + info.MinOrderQuotientPerTick - 1) / info.MinOrderQuotientPerTick, orders.Count);
+			for (var i = 0; i < ordersToIssueThisTick; i++)
+				world.IssueOrder(orders.Dequeue());
+		}
+
+		void ITick.Tick(Actor self)
+		{
+			// Make sure we tick after all of the bot modules so that we don't introduce an additional tick delay
+			self.World.AddFrameEndTask(IssueOrders);
+		}
+	}
+}