static void Prefix(AbstractAreaJob __instance, ref NPCBase.NPCState state)
 {
     npc = __instance.NPC;
 }
 static void Postfix(AbstractAreaJob __instance, ref NPCBase.NPCState state)
 {
     npc = null;
 }
 static void Postfix(AbstractAreaJob __instance, ref NPCBase.NPCState state)
 {
     DebugLog.Write(MethodBase.GetCurrentMethod().DeclaringType + "::" + MethodBase.GetCurrentMethod().Name);
     npc = null;
 }