Method inlined

src/engine/InterestManagement/Terrain.java

@@ -63,12 +63,12 @@ public class Terrain {
         Zone terrain_zone = zone;
 
         if (zone == null)
-            return ZoneManager.getSeaFloor();
+            return ZoneManager.seaFloor;
 
         if (zone.terrain != null)
             return zone;
 
-        if (zone.equals(ZoneManager.getSeaFloor()))
+        if (zone.equals(ZoneManager.seaFloor))
             return zone;
 
         while (terrain_zone.terrain == null)