extended range of spire effects

src/engine/Enum.java

@@ -2325,7 +2325,8 @@ public class Enum {
 
         GRID(544),
         ZONE(672),
-        PLACEMENT(673);
+        PLACEMENT(673),
+        SIEGEBOUNDS(880);
 
         public final float extents;
 

src/engine/objects/City.java

@@ -953,7 +953,7 @@ public class City extends AbstractWorldObject {
 
     public boolean isLocationWithinSiegeBounds(Vector3fImmutable insideLoc) {
 
-        return insideLoc.isInsideCircle(this.getLoc(), 880f);
+        return insideLoc.isInsideCircle(this.getLoc(), CityBoundsType.SIEGEBOUNDS.extents);
 
     }