remove the default impl of QueueAttack; implement it in AttackFrontal and AttackLeap

OpenRA.Mods.RA/AttackBase.cs

@@ -181,16 +181,7 @@ namespace OpenRA.Mods.RA
 			return (order.OrderString == "Attack") ? "Attack" : null;
 		}
 		
-		protected virtual void QueueAttack(Actor self, Target newTarget)
-		{
-			var weapon = ChooseWeaponForTarget(newTarget);
-
-			if (weapon != null)
-				self.QueueActivity(
-					new Activities.Attack(
-						newTarget, 
-						Math.Max(0, (int)weapon.Info.Range)));
-		}
+		protected abstract void QueueAttack(Actor self, Target newTarget);
 
 		public bool HasAnyValidWeapons(Target t) { return Weapons.Any(w => w.IsValidAgainst(self.World, t)); }
 		public float GetMaximumRange() { return Weapons.Max(w => w.Info.Range); }

OpenRA.Mods.RA/AttackFrontal.cs

@@ -39,5 +39,16 @@ namespace OpenRA.Mods.RA
 
 			return true;
 		}
+
+		protected override void QueueAttack(Actor self, Target newTarget)
+		{
+			var weapon = ChooseWeaponForTarget(newTarget);
+
+			if (weapon != null)
+				self.QueueActivity(
+					new Activities.Attack(
+						newTarget, 
+						Math.Max(0, (int)weapon.Info.Range)));
+		}
 	}
 }

OpenRA.Mods.RA/AttackLeap.cs

@@ -9,6 +9,8 @@
 #endregion
 
 using OpenRA.Mods.RA.Activities;
+using System;
+using OpenRA.Traits;
 
 namespace OpenRA.Mods.RA
 {
@@ -37,5 +39,16 @@ namespace OpenRA.Mods.RA
 			self.CancelActivity();
 			self.QueueActivity(new Leap(self, target));
 		}
+
+		protected override void QueueAttack(Actor self, Target newTarget)
+		{
+			var weapon = ChooseWeaponForTarget(newTarget);
+
+			if (weapon != null)
+				self.QueueActivity(
+					new Activities.Attack(
+						newTarget, 
+						Math.Max(0, (int)weapon.Info.Range)));
+		}
 	}
 }