Tweak capturing traits

OpenRA.Mods.RA/Captures.cs

@@ -0,0 +1,99 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2011 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. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+using OpenRA.Mods.RA.Activities;
+using OpenRA.Mods.RA.Buildings;
+using OpenRA.Mods.RA.Orders;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.RA
+{
+	class CapturesInfo : ITraitInfo
+	{
+		public string[] CaptureTypes = {"building"};
+		public object Create(ActorInitializer init) { return new Captures(this); }
+	}
+	
+	class Captures : IIssueOrder, IResolveOrder, IOrderVoice
+	{
+		public readonly CapturesInfo Info;
+		public Captures(CapturesInfo info)
+		{
+			Info = info;
+		}
+		
+		public IEnumerable<IOrderTargeter> Orders
+		{
+			get
+			{
+				yield return new CaptureOrderTargeter(Info.CaptureTypes);
+			}
+		}
+
+		public Order IssueOrder( Actor self, IOrderTargeter order, Target target, bool queued )
+		{
+			if( order.OrderID == "CaptureActor" )
+				return new Order(order.OrderID, self, queued) { TargetActor = target.Actor };
+
+			return null;
+		}
+
+		public string VoicePhraseForOrder(Actor self, Order order)
+		{
+			return (order.OrderString == "CaptureActor") ? "Attack" : null;			
+		}
+		
+		public void ResolveOrder(Actor self, Order order)
+		{
+			if (order.OrderString == "CaptureActor")
+			{
+				self.SetTargetLine(Target.FromOrder(order), Color.Red);
+								
+				self.CancelActivity();
+				self.QueueActivity(new Enter(order.TargetActor));
+				self.QueueActivity(new CaptureActor(order.TargetActor));
+			}
+		}
+	}
+			
+	class CaptureOrderTargeter : UnitTraitOrderTargeter<Capturable>
+	{
+		readonly string[] captureTypes;
+		public CaptureOrderTargeter(string[] captureTypes)
+			: base( "CaptureActor", 6, "enter", true, true )
+		{
+			this.captureTypes = captureTypes;
+		}
+
+		public override bool CanTargetActor(Actor self, Actor target, bool forceAttack, bool forceMove, bool forceQueued, ref string cursor)
+		{
+			if( !base.CanTargetActor( self, target, forceAttack, forceMove, forceQueued, ref cursor ) ) return false;
+			
+			var ci = target.Info.Traits.Get<CapturableInfo>();
+			var playerRelationship = self.Owner.Stances[ target.Owner ];
+
+			if( playerRelationship == Stance.Ally && !ci.AllowAllies ) return false;
+			if( playerRelationship == Stance.Enemy && !ci.AllowEnemies ) return false;
+			if( playerRelationship == Stance.Neutral && !ci.AllowNeutral ) return false;
+
+			IsQueued = forceQueued;
+			if (captureTypes.Contains(ci.Type))
+			{
+				cursor = "enter";
+				return true;
+			}
+			
+			return false;
+		}
+	}
+}