Inlined empty getters

src/engine/objects/Building.java

@@ -460,10 +460,10 @@ public class Building extends AbstractWorldObject {
                 }
             }
         }
-        if (this.parentZone.isPlayerCity() == false)
+        if (this.parentZone.isPlayerCity == false)
             return null;
 
-        return City.getCity(this.parentZone.getPlayerCityUUID());
+        return City.getCity(this.parentZone.playerCityID);
 
     }
 
@@ -1402,7 +1402,7 @@ public class Building extends AbstractWorldObject {
         // Buildings on an npc citygrid are never vulnerable
 
         if (this.getCity() != null) {
-            if (this.getCity().getParent().isNPCCity() == true)
+            if (this.getCity().getParent().isNPCCity == true)
                 return false;
         }