terraform size correction

src/engine/Enum.java

@@ -2308,9 +2308,9 @@ public class Enum {
 
     public enum CityBoundsType {
 
-        GRID(640),
-        ZONE(875),
-        PLACEMENT(876);
+        GRID(416),
+        ZONE(672),
+        PLACEMENT(673);
 
         public final float extents;
 

src/engine/objects/Zone.java

@@ -112,8 +112,8 @@ public class Zone extends AbstractGameObject {
 
         if (zone.playerCityID > 0) {
             writer.put((byte) 1); // Player City - True
-            writer.putFloat(Enum.CityBoundsType.ZONE.extents);
-            writer.putFloat(Enum.CityBoundsType.ZONE.extents);
+            writer.putFloat(Enum.CityBoundsType.GRID.extents);
+            writer.putFloat(Enum.CityBoundsType.GRID.extents);
         } else
             writer.put((byte) 0); // Player City - False