Collection for work orders defined

src/engine/objects/NPC.java

@@ -17,6 +17,7 @@ import engine.gameManager.*;
 import engine.job.JobContainer;
 import engine.job.JobScheduler;
 import engine.jobs.UpgradeNPCJob;
+import engine.loot.WorkOrder;
 import engine.math.Bounds;
 import engine.math.Vector3f;
 import engine.math.Vector3fImmutable;
@@ -37,6 +38,7 @@ import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
 
 import static engine.net.client.msg.ErrorPopupMsg.sendErrorPopup;
@@ -52,6 +54,8 @@ public class NPC extends AbstractCharacter {
     private final ArrayList<MobLoot> rolling = new ArrayList<>();
     public ReentrantReadWriteLock minionLock = new ReentrantReadWriteLock();
     public ArrayList<ProducedItem> forgedItems = new ArrayList<>();
+
+    public CopyOnWriteArrayList<WorkOrder> workOrders = new CopyOnWriteArrayList();
     public HashMap<Integer, MobEquipment> equip = null;
     public int runeSetID = 0;
     public int extraRune2 = 0;