Start refactor to use templates

src/engine/gameManager/ZoneManager.java

@@ -431,6 +431,6 @@ public enum ZoneManager {
         float localAltitude = Terrain.getWorldHeight(currentLoc);
         Zone zone = findSmallestZone(currentLoc);
 
-        return localAltitude < zone.seaLevel;
+        return localAltitude < zone.sea_level;
     }
 }