arena circle addition

src/engine/gameManager/ArenaManager.java

@@ -3,6 +3,7 @@ package engine.gameManager;
 import engine.Enum;
 import engine.InterestManagement.WorldGrid;
 import engine.exception.MsgSendException;
+import engine.math.Vector3f;
 import engine.math.Vector3fImmutable;
 import engine.objects.*;
 import engine.server.MBServerStatics;
@@ -56,14 +57,23 @@ public class ArenaManager {
 
     private static void createArena() {
         if (playerQueue.size() > 1) {
+
             Collections.shuffle(playerQueue);
             Arena newArena = new Arena();
 
             //set starting time
             newArena.startTime = System.currentTimeMillis();
+
             //decide an arena location
             newArena.loc = selectRandomArenaLocation();
 
+            //create building for arena
+            //arena mesh uuid = 423600
+            Vector3f rot = new Vector3f(0.0f, 0.0f, 0.0f);
+            float w = 1f;
+            Building building = DbManager.BuildingQueries.CREATE_BUILDING(992, 0, "Duelling Arena", 423600, newArena.loc, 3.0f, 0, Enum.ProtectionState.PROTECTED, 0, 1, null, 423600, w, rot.y);
+            newArena.arenaCircle = building;
+
             // Assign players to the arena
             newArena.player1 = playerQueue.remove(0);
             newArena.player2 = playerQueue.remove(0);
@@ -90,6 +100,14 @@ public class ArenaManager {
         Zone sdr = ZoneManager.getZoneByUUID(656);
         MovementManager.translocate(arena.player1, Vector3fImmutable.getRandomPointOnCircle(sdr.getLoc(),50f), null);
         MovementManager.translocate(arena.player2, Vector3fImmutable.getRandomPointOnCircle(sdr.getLoc(),50f), null);
+
+        Building building = arena.arenaCircle;
+        Zone zone = building.getParentZone();
+        DbManager.BuildingQueries.DELETE_FROM_DATABASE(building);
+        DbManager.removeFromCache(building);
+        zone.zoneBuildingSet.remove(building);
+        WorldGrid.RemoveWorldObject(building);
+
         activeArenas.remove(arena);
 
         if(winner != null){

src/engine/objects/Arena.java

@@ -14,6 +14,7 @@ public class Arena {
     public PlayerCharacter player2;
     public Long startTime;
     public Vector3fImmutable loc;
+    public Building arenaCircle;
 
     public Arena(){