Refactor supply traits to *Cash traits

Adding 'Type' and 'Stances' support as well.

OpenRA.Mods.Common/Traits/DeliversCash.cs

@@ -0,0 +1,109 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2017 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.Collections.Generic;
+using System.Drawing;
+using OpenRA.Mods.Common.Activities;
+using OpenRA.Mods.Common.Orders;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	[Desc("Donate money to actors with the `AcceptsDeliveredCash` trait.")]
+	class DeliversCashInfo : ITraitInfo
+	{
+		[Desc("The amount of cash the owner receives.")]
+		public readonly int Payload = 500;
+
+		[Desc("The amount of experience the donating player receives.")]
+		public readonly int PlayerExperience = 0;
+
+		[Desc("Identifier checked against AcceptsDeliveredCash.ValidTypes. Only needed if the latter is not empty.")]
+		public readonly string Type = null;
+
+		[VoiceReference] public readonly string Voice = "Action";
+
+		public object Create(ActorInitializer init) { return new DeliversCash(this); }
+	}
+
+	class DeliversCash : IIssueOrder, IResolveOrder, IOrderVoice
+	{
+		readonly DeliversCashInfo info;
+
+		public DeliversCash(DeliversCashInfo info)
+		{
+			this.info = info;
+		}
+
+		public IEnumerable<IOrderTargeter> Orders
+		{
+			get { yield return new DeliversCashOrderTargeter(); }
+		}
+
+		public Order IssueOrder(Actor self, IOrderTargeter order, Target target, bool queued)
+		{
+			if (order.OrderID != "DeliverCash")
+				return null;
+
+			if (target.Type == TargetType.FrozenActor)
+				return new Order(order.OrderID, self, queued) { ExtraData = target.FrozenActor.ID };
+
+			return new Order(order.OrderID, self, queued) { TargetActor = target.Actor };
+		}
+
+		public string VoicePhraseForOrder(Actor self, Order order)
+		{
+			return info.Voice;
+		}
+
+		public void ResolveOrder(Actor self, Order order)
+		{
+			if (order.OrderString != "DeliverCash")
+				return;
+
+			var target = self.ResolveFrozenActorOrder(order, Color.Yellow);
+			if (target.Type != TargetType.Actor)
+				return;
+
+			if (!order.Queued)
+				self.CancelActivity();
+
+			self.SetTargetLine(target, Color.Yellow);
+			self.QueueActivity(new DonateSupplies(self, target.Actor, info.Payload, info.PlayerExperience));
+		}
+
+		public class DeliversCashOrderTargeter : UnitOrderTargeter
+		{
+			public DeliversCashOrderTargeter()
+				: base("DeliverCash", 5, "enter", false, true) { }
+
+			public override bool CanTargetActor(Actor self, Actor target, TargetModifiers modifiers, ref string cursor)
+			{
+				var type = self.Info.TraitInfo<DeliversCashInfo>().Type;
+				var targetInfo = target.Info.TraitInfoOrDefault<AcceptsDeliveredCashInfo>();
+				return targetInfo != null
+					&& targetInfo.ValidStances.HasStance(target.Owner.Stances[self.Owner])
+					&& (targetInfo.ValidTypes.Count == 0
+						|| (!string.IsNullOrEmpty(type) && targetInfo.ValidTypes.Contains(type)));
+			}
+
+			public override bool CanTargetFrozenActor(Actor self, FrozenActor target, TargetModifiers modifiers, ref string cursor)
+			{
+				var type = self.Info.TraitInfo<DeliversCashInfo>().Type;
+				var targetInfo = target.Info.TraitInfoOrDefault<AcceptsDeliveredCashInfo>();
+				return targetInfo != null
+					&& targetInfo.ValidStances.HasStance(target.Owner.Stances[self.Owner])
+					&& (targetInfo.ValidTypes.Count == 0
+						|| (!string.IsNullOrEmpty(type) && targetInfo.ValidTypes.Contains(type)));
+			}
+		}
+	}
+}