rentrant lock on combat

src/engine/objects/AbstractWorldObject.java

@@ -59,6 +59,7 @@ public abstract class AbstractWorldObject extends AbstractGameObject {
     private Vector3f rot = new Vector3f(0.0f, 0.0f, 0.0f);
     private int objectTypeMask = 0;
     private Bounds bounds;
+    public ReentrantReadWriteLock combatLock = new ReentrantReadWriteLock();
 
     /**
      * No Id Constructor