Always clear requested targets when exiting AttackActivity/Flyattack.

OpenRA.Mods.Common/Traits/Attack/AttackFollow.cs

@@ -258,11 +258,7 @@ namespace OpenRA.Mods.Common.Traits
 			public override bool Tick(Actor self)
 			{
 				if (IsCanceling)
-				{
-					// Cancel the requested target, but keep firing on it while in range
-					attack.ClearRequestedTarget();
 					return true;
-				}
 
 				// Check that AttackFollow hasn't cancelled the target by modifying attack.Target
 				// Having both this and AttackFollow modify that field is a horrible hack.
@@ -315,10 +311,7 @@ namespace OpenRA.Mods.Common.Traits
 				// If we are ticking again after previously sequencing a MoveWithRange then that move must have completed
 				// Either we are in range and can see the target, or we've lost track of it and should give up
 				if (wasMovingWithinRange && targetIsHiddenActor)
-				{
-					attack.ClearRequestedTarget();
 					return true;
-				}
 
 				// Update target lines if required
 				if (useLastVisibleTarget != oldUseLastVisibleTarget)
@@ -326,10 +319,7 @@ namespace OpenRA.Mods.Common.Traits
 
 				// Target is hidden or dead, and we don't have a fallback position to move towards
 				if (useLastVisibleTarget && !lastVisibleTarget.IsValidFor(self))
-				{
-					attack.ClearRequestedTarget();
 					return true;
-				}
 
 				var pos = self.CenterPosition;
 				var checkTarget = useLastVisibleTarget ? lastVisibleTarget : target;
@@ -339,26 +329,26 @@ namespace OpenRA.Mods.Common.Traits
 				if (checkTarget.IsInRange(pos, maxRange) && !checkTarget.IsInRange(pos, minRange))
 				{
 					if (useLastVisibleTarget)
-					{
-						attack.ClearRequestedTarget();
 						return true;
-					}
 
 					return false;
 				}
 
 				// We can't move into range, so give up
 				if (move == null || maxRange == WDist.Zero || maxRange < minRange)
-				{
-					attack.ClearRequestedTarget();
 					return true;
-				}
 
 				wasMovingWithinRange = true;
 				QueueChild(move.MoveWithinRange(target, minRange, maxRange, checkTarget.CenterPosition, Color.Red));
 				return false;
 			}
 
+			protected override void OnLastRun(Actor self)
+			{
+				// Cancel the requested target, but keep firing on it while in range
+				attack.ClearRequestedTarget();
+			}
+
 			void IActivityNotifyStanceChanged.StanceChanged(Actor self, AutoTarget autoTarget, UnitStance oldStance, UnitStance newStance)
 			{
 				// Cancel non-forced targets when switching to a more restrictive stance if they are no longer valid for auto-targeting