rework of world altitude calculation.

src/engine/objects/Zone.java

@@ -56,7 +56,7 @@ public class Zone extends AbstractGameObject {
     private boolean isNPCCity = false;
     private boolean isPlayerCity = false;
     private String hash;
-    private float worldAltitude = 0;
+    public float worldAltitude = 0;
     private float seaLevel = 0;
     //public static ArrayList<Mob> respawnQue = new ArrayList<>();
     public static final Set<Mob> respawnQue = Collections.newSetFromMap(new ConcurrentHashMap<>());
@@ -220,49 +220,6 @@ public class Zone extends AbstractGameObject {
         return Icon1;
     }
 
-    public void generateWorldAltitude() {
-
-        if (ZoneManager.getSeaFloor().getObjectUUID() == this.getObjectUUID()) {
-            this.worldAltitude = MBServerStatics.SEA_FLOOR_ALTITUDE;
-            return;
-        }
-
-        Zone parentZone = this.parent;
-
-        Zone currentZone = this;
-        float altitude = this.absY;
-
-        //seafloor only zone with null parent;
-
-        while (parentZone != ZoneManager.getSeaFloor()) {
-
-            if (parentZone.getHeightMap() != null) {
-
-                Vector2f zoneLoc = ZoneManager.worldToZoneSpace(currentZone.getLoc(), parentZone);
-                altitude += parentZone.getHeightMap().getInterpolatedTerrainHeight(zoneLoc);
-
-            }
-            currentZone = parentZone;
-            parentZone = parentZone.parent;
-
-        }
-
-        this.worldAltitude = altitude;
-
-        if (ZoneManager.getSeaFloor().equals(this))
-            this.seaLevel = 0;
-        else if
-        (this.getHeightMap() != null && this.getHeightMap().getSeaLevel() == 0) {
-            this.seaLevel = this.parent.seaLevel;
-
-        } else if (this.getHeightMap() != null) {
-            this.seaLevel = this.worldAltitude + this.getHeightMap().getSeaLevel();
-        } else {
-            this.seaLevel = this.parent.seaLevel;
-        }
-
-    }
-
     public Zone getParent() {
         return this.parent;
     }
@@ -420,8 +377,4 @@ public class Zone extends AbstractGameObject {
         return seaLevel;
     }
 
-    public float getWorldAltitude() {
-        return worldAltitude;
-    }
-
 }