public void startAttacking(final LivingEntity e) {
if (this.attackingID != -1) this.stopAttacking();
this.attackingID =
Bukkit.getScheduler()
.scheduleSyncRepeatingTask(
DragonsLairMain.getInstance(), new NPCAttackTask(this, e), 0, 10L);
}
public void stopAttacking() {
if (this.attackingID != -1) Bukkit.getScheduler().cancelTask(this.attackingID);
}