Zone extents derived from zone

src/engine/gameManager/ZoneManager.java

@@ -25,7 +25,10 @@ import org.pmw.tinylog.Logger;
 import java.time.Instant;
 import java.time.LocalDateTime;
 import java.time.ZoneId;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ThreadLocalRandom;
 
@@ -46,7 +49,7 @@ public enum ZoneManager {
     public static Instant hotZoneLastUpdate;
     public static Zone hotZone = null;
     public static int hotZoneCycle = 0;  // Used with HOTZONE_DURATION from config.
-    public static HashMap<Integer, Vector2f> _zone_size_data = new HashMap<>();
+
     /* Instance variables */
     private static Zone seaFloor = null;
 
@@ -71,7 +74,7 @@ public enum ZoneManager {
 
     // Find smallest zone coordinates fit into.
 
-    public static final Zone findSmallestZone(final Vector3fImmutable loc) {
+    public static Zone findSmallestZone(final Vector3fImmutable loc) {
 
         Zone zone = ZoneManager.seaFloor;
 
@@ -90,7 +93,7 @@ public enum ZoneManager {
             if (nodes != null)
                 for (Zone child : nodes) {
 
-                    if (Bounds.collide(loc, child.bounds) == true) {
+                    if (Bounds.collide(loc, child.bounds)) {
                         zone = child;
                         childFound = true;
                         break;
@@ -148,11 +151,11 @@ public enum ZoneManager {
         return ZoneManager.zonesByName.get(zoneName);
     }
 
-    public static final Collection<Zone> getAllZones() {
+    public static Collection<Zone> getAllZones() {
         return ZoneManager.zonesByUUID.values();
     }
 
-    public static final void setHotZone(final Zone zone) {
+    public static void setHotZone(final Zone zone) {
 
         if (!zone.isMacroZone())
             return;
@@ -169,7 +172,7 @@ public enum ZoneManager {
         if (ZoneManager.hotZone == null)
             return false;
 
-        return (Bounds.collide(loc, ZoneManager.hotZone.bounds) == true);
+        return (Bounds.collide(loc, ZoneManager.hotZone.bounds));
     }
 
     public static Zone getSeaFloor() {
@@ -180,7 +183,7 @@ public enum ZoneManager {
         ZoneManager.seaFloor = value;
     }
 
-    public static final void populateWorldZones(final Zone zone) {
+    public static void populateWorldZones(final Zone zone) {
 
         int loadNum = zone.template;