Finish theif logic. TODO: Determine amount to steal

OpenRa.Game/OpenRa.Game.csproj

@@ -165,7 +165,7 @@
     <Compile Include="Traits\Activities\Repair.cs" />
     <Compile Include="Traits\Activities\ReturnToBase.cs" />
     <Compile Include="Traits\Activities\Sell.cs" />
-    <Compile Include="Traits\Activities\StealOre.cs" />
+    <Compile Include="Traits\Activities\Steal.cs" />
     <Compile Include="Traits\Activities\Teleport.cs" />
     <Compile Include="BuildingInfluenceMap.cs" />
     <Compile Include="Orders\IOrderGenerator.cs" />
@@ -260,7 +260,7 @@
     <Compile Include="Traits\StoresOre.cs" />
     <Compile Include="Traits\Submarine.cs" />
     <Compile Include="Traits\TakeCover.cs" />
-    <Compile Include="Traits\ThiefSteal.cs" />
+    <Compile Include="Traits\Thief.cs" />
     <Compile Include="Traits\TraitsInterfaces.cs" />
     <Compile Include="Traits\Tree.cs" />
     <Compile Include="Traits\Turreted.cs" />

OpenRa.Game/Traits/Activities/Steal.cs

@@ -5,27 +5,21 @@ using System.Text;
 
 namespace OpenRa.Game.Traits.Activities
 {
-	class StealOre : IActivity
+	class Steal : IActivity
 	{
 		Actor target;
-		public const int CashStolen = 100; //todo: push this out to Rules
-
-		public StealOre(Actor target) { this.target = target; }
+		
+		public Steal(Actor target) { this.target = target; }
 
 		public IActivity NextActivity { get; set; }
 
 		public IActivity Tick(Actor self)
 		{
 			if (target == null || target.IsDead) return NextActivity;
-
 			if (target.Owner == self.Owner) return NextActivity;
-
-			target.Owner.TakeCash(CashStolen);
-			self.Owner.GiveCash(CashStolen);
-
-			// the thief is sacrificed.
-			self.Health = 0;
-			Game.world.AddFrameEndTask(w => w.Remove(self));
+			
+			foreach (var t in target.traits.WithInterface<IAcceptThief>())
+				t.OnSteal(target, self);
 			
 			return NextActivity;
 		}

OpenRa.Game/Traits/StoresOre.cs

@@ -1,9 +1,11 @@
 using System.Collections.Generic;
-
+using System;
 namespace OpenRa.Game.Traits
 {
-	class StoresOre : IPips
+	class StoresOre : IPips, IAcceptThief
 	{
+		public const int MaxStealAmount = 100; //todo: How is cash stolen determined?
+		
 		readonly Actor self;
 		
 		public StoresOre(Actor self)
@@ -11,6 +13,20 @@ namespace OpenRa.Game.Traits
 			this.self = self;
 		}
 		
+		public void OnSteal(Actor self, Actor thief)
+		{
+			var cashStolen = Math.Min(MaxStealAmount, self.Owner.Cash);
+			self.Owner.TakeCash(cashStolen);
+			thief.Owner.GiveCash(cashStolen);
+			
+			if (Game.LocalPlayer == thief.Owner)
+				Sound.Play("credit1.aud");
+			
+			// the thief is sacrificed.
+			thief.Health = 0;
+			Game.world.AddFrameEndTask(w => w.Remove(thief));
+		}
+		
 		public IEnumerable<PipType> GetPips(Actor self)
 		{
 			for (int i = 0; i < self.Info.OrePips; i++)

OpenRa.Game/Traits/Thief.cs

@@ -1,19 +1,18 @@
 using OpenRa.Game.Traits.Activities;
-
+using System.Collections.Generic;
+using System.Linq;
 namespace OpenRa.Game.Traits
 {
-	class ThiefSteal : IOrder
+	class Thief : IOrder
 	{
-		public ThiefSteal(Actor self) { }
+		public Thief(Actor self) { }
 
 		public Order IssueOrder(Actor self, int2 xy, MouseInput mi, Actor underCursor)
 		{
 			if (mi.Button != MouseButton.Right) return null;
 			if (underCursor == null) return null;
-			if (!underCursor.traits.Contains<Building>()) return null;
-
-			// todo: other bits
-
+			if (!underCursor.traits.WithInterface<IAcceptThief>().Any()) return null;
+			
 			return new Order("Steal", self, underCursor, int2.Zero, null);
 		}
 
@@ -23,7 +22,7 @@ namespace OpenRa.Game.Traits
 			{
 				self.CancelActivity();
 				self.QueueActivity(new Move(order.TargetActor, 1));
-				self.QueueActivity(new StealOre(order.TargetActor));
+				self.QueueActivity(new Steal(order.TargetActor));
 			}
 		}
 	}

OpenRa.Game/Traits/TraitsInterfaces.cs

@@ -17,6 +17,7 @@ namespace OpenRa.Game.Traits
 	interface INotifyDamage { void Damaged(Actor self, AttackInfo e); }
 	interface INotifyBuildComplete { void BuildingComplete (Actor self); }
 	interface INotifyProduction { void UnitProduced(Actor self, Actor other); }
+	interface IAcceptThief { void OnSteal(Actor self, Actor thief); }
 	interface IOrder
 	{
 		Order IssueOrder( Actor self, int2 xy, MouseInput mi, Actor underCursor );

units.ini

@@ -594,7 +594,7 @@ SelectionSize=12,17,0,-9
 [THF]
 Description=Thief
 Voice=ThiefVoice
-Traits=Unit, Mobile, RenderInfantry, TakeCover, SquishByTank, Passenger
+Traits=Unit, Mobile, RenderInfantry, TakeCover, SquishByTank, Passenger, Thief
 LongDesc=Infiltrates enemy refineries & \nsilos, and steals money stored there.\n  Unarmed
 SelectionSize=12,17,0,-9
 [E7]