Spire effects reach to siege bounds.

src/engine/objects/City.java

@@ -999,11 +999,9 @@ public class City extends AbstractWorldObject {
 		HashSet<Integer> currentMemory;
 		PlayerCharacter player;
 
-		// Gather current list of players within a distance defined by the x extent of the
+		// Gather current list of players within a distance defined by the seige bounds
-		// city zone.  As we want to grab all players with even a remote possibility of
-		// being in the zone, we might have to increase this distance.
 
-		currentPlayers = WorldGrid.getObjectsInRangePartial(this.location, this.parentZone.getBounds().getHalfExtents().x * 1.41421356237, MBServerStatics.MASK_PLAYER);
+		currentPlayers = WorldGrid.getObjectsInRangePartial(this.location, CityBoundsType.SIEGE.extents, MBServerStatics.MASK_PLAYER);
 		currentMemory = new HashSet<>();
 
 		for (AbstractWorldObject playerObject : currentPlayers) {