mob ai work

src/engine/objects/Mob.java

@@ -83,6 +83,7 @@ public class Mob extends AbstractIntelligenceAgent {
     public int lastPatrolPointIndex = 0;
     public long stopPatrolTime = 0;
     public City guardedCity;
+    public long nextChaseUpdate = 0;
     protected int dbID; //the database ID
     protected int loadID;
     protected float spawnRadius;