#25 fixed

OpenRa.Game/Traits/Activities/Attack.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace OpenRa.Game.Traits.Activities
+{
+	/* non-turreted attack */
+	class Attack : IActivity
+	{
+		Actor Target;
+		int Range;
+
+		public Attack(Actor target, int range)
+		{
+			Target = target;
+			Range = range;
+		}
+
+		public IActivity NextActivity { get; set; }
+
+		public void Tick(Actor self, Mobile mobile)
+		{
+			if (Target.IsDead)
+			{
+				mobile.InternalSetActivity(NextActivity);
+				return;
+			}
+
+			if ((Target.Location - self.Location).LengthSquared >= Range * Range)
+			{
+				mobile.InternalSetActivity(new Move(Target, Range));
+				mobile.QueueActivity(this);
+				return;
+			}
+
+			var desiredFacing = Util.GetFacing((Target.Location - self.Location).ToFloat2(), 0);
+			var renderUnit = self.traits.WithInterface<RenderUnit>().First();
+
+			if (Util.QuantizeFacing(mobile.facing, renderUnit.anim.CurrentSequence.Length) 
+				!= Util.QuantizeFacing(desiredFacing, renderUnit.anim.CurrentSequence.Length))
+			{
+				mobile.InternalSetActivity(new Turn(desiredFacing));
+				mobile.QueueActivity(this);
+				return;
+			}
+
+			var attack = self.traits.WithInterface<AttackBase>().First();
+			attack.target = Target;
+			attack.DoAttack(self);
+		}
+
+		public void Cancel(Actor self, Mobile mobile)
+		{
+			mobile.InternalSetActivity(null);
+		}
+	}
+}

OpenRa.Game/Traits/AttackTurreted.cs

@@ -5,13 +5,15 @@ using System.Text;
 
 namespace OpenRa.Game.Traits
 {
-	abstract class AttackBase : IOrder, ITick
+	class AttackBase : IOrder, ITick
 	{
 		public Actor target;
 
 		// time (in frames) until each weapon can fire again.
 		protected int primaryFireDelay = 0;
-		protected int secondaryFireDelay = 0;
+		protected int secondaryFireDelay = 0;
+
+		public AttackBase(Actor self) { }
 
 		protected bool CanAttack( Actor self )
 		{
@@ -26,7 +28,7 @@ namespace OpenRa.Game.Traits
 			if (target != null && target.IsDead) target = null;		/* he's dead, jim. */
 		}
 
-		protected void DoAttack( Actor self )
+		public void DoAttack( Actor self )
 		{
 			var rut = self.traits.GetOrDefault<RenderUnitTurreted>();
 
@@ -79,7 +81,7 @@ namespace OpenRa.Game.Traits
 
 	class AttackTurreted : AttackBase
 	{
-		public AttackTurreted( Actor self ) { self.traits.Get<Turreted>(); }
+		public AttackTurreted( Actor self ) : base(self) { self.traits.Get<Turreted>(); }
 
 		public override void Tick(Actor self)
 		{