public void onAction(L2PcInstance player)
    {
        // Check if the L2PcInstance already target the L2NpcInstance
        if (this != player.getTarget())
        {
            if (Config.DEBUG) _log.fine("new target selected:"+getObjectId());
            
            // Set the target of the L2PcInstance player
            player.setTarget(this);
            
            // Send a Server->Client packet MyTargetSelected to the L2PcInstance player
            // The player.getLevel() - getLevel() permit to display the correct color in the select window
            MyTargetSelected my = new MyTargetSelected(getObjectId(), player.getLevel() - getLevel());
            player.sendPacket(my);
            
            // Check if the player is attackable (without a forced attack)
            if (isAutoAttackable(player))
            {	
                // Send a Server->Client packet StatusUpdate of the L2NpcInstance to the L2PcInstance to update its HP bar
                StatusUpdate su = new StatusUpdate(getObjectId());
                su.addAttribute(StatusUpdate.CUR_HP, (int)getCurrentHp() );
                su.addAttribute(StatusUpdate.MAX_HP, getMaxHp() );
                player.sendPacket(su);
            }
            
            // Send a Server->Client packet ValidateLocation to correct the L2NpcInstance position and heading on the client
            player.sendPacket(new ValidateLocation(this));
        }
        else
        {
        	if(this.isChampion() && TownManager.getInstance().checkIfInZone(this))
        		this.setChampion(false);
        	
            // Send a Server->Client packet MyTargetSelected to the L2PcInstance player
            // The player.getLevel() - getLevel() permit to display the correct color
            MyTargetSelected my = new MyTargetSelected(getObjectId(), player.getLevel() - getLevel());
            player.sendPacket(my);
            
            // Check if the player is attackable (without a forced attack) and isn't dead
            if (isAutoAttackable(player) && !isAlikeDead())
            {
                // Check the height difference
                if (Math.abs(player.getZ() - getZ()) < 400) // this max heigth difference might need some tweaking
                {
                    // Set the L2PcInstance Intention to AI_INTENTION_ATTACK
                    player.getAI().setIntention(CtrlIntention.AI_INTENTION_ATTACK, this);
                    // player.startAttack(this);
                }
                else
                {
                    // Send a Server->Client packet ActionFailed (target is out of attack range) to the L2PcInstance player
                    player.sendPacket(new ActionFailed());
                }
            }