l2j-server-game/L2_GameServer/java/com/l2jserver/gameserver/model/actor/L2Npc.java

/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package com.l2jserver.gameserver.model.actor;

import static com.l2jserver.gameserver.ai.CtrlIntention.AI_INTENTION_ACTIVE;

import java.util.Collection;
import java.util.logging.Level;

import javolution.util.FastList;

import com.l2jserver.Config;
import com.l2jserver.gameserver.SevenSigns;
import com.l2jserver.gameserver.SevenSignsFestival;
import com.l2jserver.gameserver.ThreadPoolManager;
import com.l2jserver.gameserver.cache.HtmCache;
import com.l2jserver.gameserver.datatables.ItemTable;
import com.l2jserver.gameserver.handler.BypassHandler;
import com.l2jserver.gameserver.handler.IBypassHandler;
import com.l2jserver.gameserver.instancemanager.CastleManager;
import com.l2jserver.gameserver.instancemanager.FortManager;
import com.l2jserver.gameserver.instancemanager.TownManager;
import com.l2jserver.gameserver.model.L2ItemInstance;
import com.l2jserver.gameserver.model.L2NpcAIData;
import com.l2jserver.gameserver.model.L2Object;
import com.l2jserver.gameserver.model.L2Skill;
import com.l2jserver.gameserver.model.L2Spawn;
import com.l2jserver.gameserver.model.L2World;
import com.l2jserver.gameserver.model.L2WorldRegion;
import com.l2jserver.gameserver.model.actor.instance.L2ClanHallManagerInstance;
import com.l2jserver.gameserver.model.actor.instance.L2DoormenInstance;
import com.l2jserver.gameserver.model.actor.instance.L2FestivalGuideInstance;
import com.l2jserver.gameserver.model.actor.instance.L2FishermanInstance;
import com.l2jserver.gameserver.model.actor.instance.L2MerchantInstance;
import com.l2jserver.gameserver.model.actor.instance.L2NpcInstance;
import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
import com.l2jserver.gameserver.model.actor.instance.L2TeleporterInstance;
import com.l2jserver.gameserver.model.actor.instance.L2TrainerInstance;
import com.l2jserver.gameserver.model.actor.instance.L2WarehouseInstance;
import com.l2jserver.gameserver.model.actor.knownlist.NpcKnownList;
import com.l2jserver.gameserver.model.actor.stat.NpcStat;
import com.l2jserver.gameserver.model.actor.status.NpcStatus;
import com.l2jserver.gameserver.model.entity.Castle;
import com.l2jserver.gameserver.model.entity.Fort;
import com.l2jserver.gameserver.model.olympiad.Olympiad;
import com.l2jserver.gameserver.model.quest.Quest;
import com.l2jserver.gameserver.model.zone.type.L2TownZone;
import com.l2jserver.gameserver.network.SystemMessageId;
import com.l2jserver.gameserver.network.serverpackets.AbstractNpcInfo;
import com.l2jserver.gameserver.network.serverpackets.ActionFailed;
import com.l2jserver.gameserver.network.serverpackets.MagicSkillUse;
import com.l2jserver.gameserver.network.serverpackets.NpcHtmlMessage;
import com.l2jserver.gameserver.network.serverpackets.ServerObjectInfo;
import com.l2jserver.gameserver.network.serverpackets.SocialAction;
import com.l2jserver.gameserver.network.serverpackets.SystemMessage;
import com.l2jserver.gameserver.skills.Stats;
import com.l2jserver.gameserver.taskmanager.DecayTaskManager;
import com.l2jserver.gameserver.templates.chars.L2NpcTemplate;
import com.l2jserver.gameserver.templates.chars.L2NpcTemplate.AIType;
import com.l2jserver.gameserver.templates.item.L2Item;
import com.l2jserver.gameserver.templates.item.L2Weapon;
import com.l2jserver.gameserver.util.Broadcast;
import com.l2jserver.util.Rnd;
import com.l2jserver.util.StringUtil;

/**
 * This class represents a Non-Player-Character in the world. It can be a monster or a friendly character.
 * It also uses a template to fetch some static values. The templates are hardcoded in the client, so we can rely on them.<BR><BR>
 *
 * L2Character :<BR><BR>
 * <li>L2Attackable</li>
 * <li>L2BoxInstance</li>
 * <li>L2FolkInstance</li>
 *
 * @version $Revision: 1.32.2.7.2.24 $ $Date: 2005/04/11 10:06:09 $
 */
public class L2Npc extends L2Character
{
	//private static Logger _log = Logger.getLogger(L2NpcInstance.class.getName());

	/** The interaction distance of the L2NpcInstance(is used as offset in MovetoLocation method) */
	public static final int INTERACTION_DISTANCE = 150;

	/** The L2Spawn object that manage this L2NpcInstance */
	private L2Spawn _spawn;

	/** The flag to specify if this L2NpcInstance is busy */
	private boolean _isBusy = false;

	/** The busy message for this L2NpcInstance */
	private String _busyMessage = "";

	/** True if endDecayTask has already been called */
	volatile boolean _isDecayed = false;

	/** The castle index in the array of L2Castle this L2NpcInstance belongs to */
	private int _castleIndex = -2;

	/** The fortress index in the array of L2Fort this L2NpcInstance belongs to */
	private int _fortIndex = -2;

	public boolean isEventMob = false;
	private boolean _isInTown = false;

	/** True if this L2Npc is autoattackable **/
	private boolean _isAutoAttackable = false;

	/** Time of last social packet broadcast*/
	private long _lastSocialBroadcast = 0;

	/** Minimum interval between social packets*/
	private int _minimalSocialInterval = 6000;
	
	protected RandomAnimationTask _rAniTask = null;
	private int _currentLHandId; // normally this shouldn't change from the template, but there exist exceptions
	private int _currentRHandId; // normally this shouldn't change from the template, but there exist exceptions
	private int _currentEnchant; // normally this shouldn't change from the template, but there exist exceptions
	private double _currentCollisionHeight; // used for npc grow effect skills
	private double _currentCollisionRadius; // used for npc grow effect skills
	
	public boolean _soulshotcharged = false;
	public boolean _spiritshotcharged = false;
	private int _soulshotamount = 0;
	private int _spiritshotamount = 0;
	public boolean _ssrecharged = true;
	public boolean _spsrecharged = true;
	
	//AI Recall
	public int getSoulShot()
	{
		L2NpcAIData AI = getTemplate().getAIDataStatic();
		return AI.getSoulShot();
		
	}
	public int getSpiritShot()
	{
		L2NpcAIData AI = getTemplate().getAIDataStatic();
		return AI.getSpiritShot();
		
	}
	public int getSoulShotChance()
	{
		L2NpcAIData AI = getTemplate().getAIDataStatic();
		return AI.getSoulShotChance();
		
	}
	
	public int getSpiritShotChance()
	{
		L2NpcAIData AI = getTemplate().getAIDataStatic();
		return AI.getSpiritShotChance();
		
	}
	
	public boolean useSoulShot()
	{
		if(_soulshotcharged)
			return true;
		if(_ssrecharged)
		{
			_soulshotamount = getSoulShot();
			_ssrecharged = false;
		}
		else if (_soulshotamount>0)
		{
			if (Rnd.get(100) <= getSoulShotChance())
			{
				_soulshotamount = _soulshotamount - 1;
				Broadcast.toSelfAndKnownPlayersInRadius(this, new MagicSkillUse(this, this, 2154, 1, 0, 0), 360000);
				_soulshotcharged = true;
			}
		}
		else return false;
		
		return _soulshotcharged;
	}
	public boolean useSpiritShot()
	{
		
		if(_spiritshotcharged)
			return true;
		else
		{
			//_spiritshotcharged = false;
			if(_spsrecharged)
			{
				_spiritshotamount = getSpiritShot();
				_spsrecharged = false;
			}
			else if (_spiritshotamount>0)
			{
				if (Rnd.get(100) <= getSpiritShotChance())
				{
					_spiritshotamount = _spiritshotamount - 1;
					Broadcast.toSelfAndKnownPlayersInRadius(this, new MagicSkillUse(this, this, 2061, 1, 0, 0), 360000);
					_spiritshotcharged = true;
				}
			}
			else return false;
		}
		
		return _spiritshotcharged;
	}
	public int getEnemyRange()
	{
		L2NpcAIData AI = getTemplate().getAIDataStatic();
		return AI.getEnemyRange();
	}
	
	public String getEnemyClan()
	{
		L2NpcAIData AI = getTemplate().getAIDataStatic();
		return AI.getEnemyClan();
	}
	
	public int getClanRange()
	{
		L2NpcAIData AI = getTemplate().getAIDataStatic();
		return AI.getClanRange();
	}
	
	public String getClan()
	{
		L2NpcAIData AI = getTemplate().getAIDataStatic();
		return AI.getClan();
	}
	
	// GET THE PRIMARY ATTACK
	public int getPrimaryAttack()
	{
		L2NpcAIData AI = getTemplate().getAIDataStatic();
		return AI.getPrimaryAttack();
		
	}
	
	public int getSkillChance()
	{
		L2NpcAIData AI = getTemplate().getAIDataStatic();
		return AI.getSkillChance();
		
	}
	
	public int getCanMove()
	{
		L2NpcAIData AI = getTemplate().getAIDataStatic();
		return AI.getCanMove();
	}
	
	public int getIsChaos()
	{
		L2NpcAIData AI = getTemplate().getAIDataStatic();
		return AI.getIsChaos();
		
	}
	
	public int getCanDodge()
	{
		L2NpcAIData AI = getTemplate().getAIDataStatic();
		return AI.getDodge();
		
	}
	
	public int getSSkillChance()
	{
		L2NpcAIData AI = getTemplate().getAIDataStatic();
		return AI.getShortRangeChance();
		
	}
	
	public int getLSkillChance()
	{
		L2NpcAIData AI = getTemplate().getAIDataStatic();
		return AI.getLongRangeChance();
		
	}
	
	public int getSwitchRangeChance()
	{
		L2NpcAIData AI = getTemplate().getAIDataStatic();
		return AI.getSwitchRangeChance();
		
	}
	
	public boolean hasLSkill()
	{
		L2NpcAIData AI = getTemplate().getAIDataStatic();
		
		if (AI.getLongRangeSkill() == 0)
			return false;
		else
			return true;
		
	}
	
	public boolean hasSSkill()
	{
		L2NpcAIData AI = getTemplate().getAIDataStatic();
		
		if (AI.getShortRangeSkill() == 0)
			return false;
		else
			return true;
		
	}
	
	public FastList<L2Skill> getLrangeSkill()
	{
		FastList<L2Skill> skilldata = new FastList <L2Skill>();
		boolean hasLrange = false;
		L2NpcAIData AI = getTemplate().getAIDataStatic();

		if (AI == null || AI.getLongRangeSkill() == 0)
			return null;

		switch (AI.getLongRangeSkill())
		{
			case -1:
			{
				L2Skill[] skills = null;
				skills = getAllSkills();
				if (skills != null)
				{
					for (L2Skill sk: skills)
					{
						if (sk == null || sk.isPassive()
								|| sk.getTargetType() == L2Skill.SkillTargetType.TARGET_SELF)
							continue;

						if (sk.getCastRange() >= 200)
						{
							skilldata.add(sk);	
							hasLrange = true;
						}
					}
				}
				break;
			}
			case 1:
			{
				if (getTemplate()._universalskills != null)
				{
					for (L2Skill sk: getTemplate()._universalskills)
					{
						if (sk.getCastRange() >= 200)
						{
							skilldata.add(sk);	
							hasLrange = true;
						}
					}
				}
				break;
			}
			default:
			{
				for (L2Skill sk: getAllSkills())
				{
					if (sk.getId() == AI.getLongRangeSkill())
					{
						skilldata.add(sk);	
						hasLrange = true;
					}
				}
			}
		}

		return (hasLrange ? skilldata : null);
	}

	public FastList<L2Skill> getSrangeSkill()
	{
		FastList<L2Skill> skilldata = new FastList <L2Skill>();
		boolean hasSrange = false;
		L2NpcAIData AI = getTemplate().getAIDataStatic();

		if (AI == null || AI.getShortRangeSkill() == 0)
			return null;

		switch (AI.getShortRangeSkill())
		{
			case -1:
			{
				L2Skill[] skills = null;
				skills = getAllSkills();
				if (skills != null)
				{
					for (L2Skill sk: skills)
					{
						if (sk == null || sk.isPassive()
								|| sk.getTargetType() == L2Skill.SkillTargetType.TARGET_SELF)
							continue;

						if (sk.getCastRange() <= 200)
						{
							skilldata.add(sk);
							hasSrange = true;
						}
					}
				}
				break;
			}
			case 1:
			{
				if (getTemplate()._universalskills != null)
				{
					for (L2Skill sk: getTemplate()._universalskills)
					{
						if (sk.getCastRange() <= 200)
						{
							skilldata.add(sk);	
							hasSrange = true;
						}
					}
				}
				break;
			}
			default:
			{
				for (L2Skill sk: getAllSkills())
				{
					if (sk.getId() == AI.getShortRangeSkill())
					{
						skilldata.add(sk);	
						hasSrange = true;
					}
				}
			}
		}

		return (hasSrange ? skilldata : null);
	}
    
	/** Task launching the function onRandomAnimation() */
	protected class RandomAnimationTask implements Runnable
	{
		public void run()
		{
			try
			{
				if (this != _rAniTask)
					return; // Shouldn't happen, but who knows... just to make sure every active npc has only one timer.
				if (isMob())
				{
					// Cancel further animation timers until intention is changed to ACTIVE again.
					if (getAI().getIntention() != AI_INTENTION_ACTIVE)
						return;
				}
				else
				{
					if (!isInActiveRegion()) // NPCs in inactive region don't run this task
						return;
				}

				if (!(isDead() || isStunned() || isSleeping() || isParalyzed()))
					onRandomAnimation(Rnd.get(2, 3));

				startRandomAnimationTimer();
			}
			catch (Exception e)
			{
				_log.log(Level.SEVERE, "", e);
			}
		}
	}

	/**
	 * Send a packet SocialAction to all L2PcInstance in the _KnownPlayers of the L2NpcInstance and create a new RandomAnimation Task.<BR><BR>
	 */
	public void onRandomAnimation(int animationId)
	{
		// Send a packet SocialAction to all L2PcInstance in the _KnownPlayers of the L2NpcInstance
		long now = System.currentTimeMillis();
		if (now - _lastSocialBroadcast > _minimalSocialInterval)
		{
			_lastSocialBroadcast = now;
			broadcastPacket(new SocialAction(getObjectId(), animationId));
		}
	}

	/**
	 * Create a RandomAnimation Task that will be launched after the calculated delay.<BR><BR>
	 */
	public void startRandomAnimationTimer()
	{
		if (!hasRandomAnimation())
			return;

		int minWait = isMob() ? Config.MIN_MONSTER_ANIMATION : Config.MIN_NPC_ANIMATION;
		int maxWait = isMob() ? Config.MAX_MONSTER_ANIMATION : Config.MAX_NPC_ANIMATION;

		// Calculate the delay before the next animation
		int interval = Rnd.get(minWait, maxWait) * 1000;

		// Create a RandomAnimation Task that will be launched after the calculated delay
		_rAniTask = new RandomAnimationTask();
		ThreadPoolManager.getInstance().scheduleGeneral(_rAniTask, interval);
	}

	/**
	 * Check if the server allows Random Animation.<BR><BR>
	 */
	public boolean hasRandomAnimation()
	{
		return (Config.MAX_NPC_ANIMATION > 0 && !getAiType().equals(AIType.CORPSE));
	}

	/**
	 * Constructor of L2NpcInstance (use L2Character constructor).<BR><BR>
	 *
	 * <B><U> Actions</U> :</B><BR><BR>
	 * <li>Call the L2Character constructor to set the _template of the L2Character (copy skills from template to object and link _calculators to NPC_STD_CALCULATOR)  </li>
	 * <li>Set the name of the L2Character</li>
	 * <li>Create a RandomAnimation Task that will be launched after the calculated delay if the server allow it </li><BR><BR>
	 *
	 * @param objectId Identifier of the object to initialized
	 * @param template The L2NpcTemplate to apply to the NPC
	 *
	 */
	public L2Npc(int objectId, L2NpcTemplate template)
	{
		// Call the L2Character constructor to set the _template of the L2Character, copy skills from template to object
		// and link _calculators to NPC_STD_CALCULATOR
		super(objectId, template);
		setInstanceType(InstanceType.L2Npc);
		initCharStatusUpdateValues();

		// initialize the "current" equipment
		_currentLHandId = getTemplate().lhand;
		_currentRHandId = getTemplate().rhand;
		_currentEnchant = Config.ENABLE_RANDOM_ENCHANT_EFFECT ? Rnd.get(4,21) : getTemplate().enchantEffect;
		// initialize the "current" collisions
		_currentCollisionHeight = getTemplate().fCollisionHeight;
		_currentCollisionRadius = getTemplate().fCollisionRadius;

		if (template == null)
		{
			_log.severe("No template for Npc. Please check your datapack is setup correctly.");
			return;
		}

		// Set the name of the L2Character
		setName(template.name);
	}

	@Override
	public NpcKnownList getKnownList()
	{
		return (NpcKnownList) super.getKnownList();
	}
	
	@Override
    public void initKnownList()
    {
		setKnownList(new NpcKnownList(this));
    }

	@Override
	public NpcStat getStat()
	{
		return (NpcStat) super.getStat();
	}
	
	@Override
	public void initCharStat()
	{
		setStat(new NpcStat(this));
	}

	@Override
	public NpcStatus getStatus()
	{
		return (NpcStatus) super.getStatus();
	}
	
	@Override
	public void initCharStatus()
	{
		setStatus(new NpcStatus(this));
	}

	/** Return the L2NpcTemplate of the L2NpcInstance. */
	@Override
	public final L2NpcTemplate getTemplate()
	{
		return (L2NpcTemplate) super.getTemplate();
	}

	/**
	 * Return the generic Identifier of this L2NpcInstance contained in the L2NpcTemplate.<BR><BR>
	 */
	public int getNpcId()
	{
		return getTemplate().npcId;
	}

	@Override
	public boolean isAttackable()
	{
		return Config.ALT_ATTACKABLE_NPCS;
	}

	/**
	 * Return the faction Identifier of this L2NpcInstance contained in the L2NpcTemplate.<BR><BR>
	 *
	 * <B><U> Concept</U> :</B><BR><BR>
	 * If a NPC belows to a Faction, other NPC of the faction inside the Faction range will help it if it's attacked<BR><BR>
	 *
	 */
	//@Deprecated
	public final String getFactionId()
	{
		return getClan();
	}

	/**
	 * Return the Level of this L2NpcInstance contained in the L2NpcTemplate.<BR><BR>
	 */
	@Override
	public final int getLevel()
	{
		return getTemplate().level;
	}

	/**
	 * Return True if the L2NpcInstance is agressive (ex : L2MonsterInstance in function of aggroRange).<BR><BR>
	 */
	public boolean isAggressive()
	{
		return false;
	}

	/**
	 * Return the Aggro Range of this L2NpcInstance contained in the L2NpcTemplate.<BR><BR>
	 */
	public int getAggroRange()
	{
		return getTemplate().aggroRange;
	}

	/**
	 * Return the Faction Range of this L2NpcInstance contained in the L2NpcTemplate.<BR><BR>
	 */
	//@Deprecated
	public int getFactionRange()
	{
		return getClanRange();
	}

	/**
	 * Return True if this L2NpcInstance is undead in function of the L2NpcTemplate.<BR><BR>
	 */
	@Override
	public boolean isUndead()
	{
		return getTemplate().isUndead;
	}

	/**
	 * Send a packet NpcInfo with state of abnormal effect to all L2PcInstance in the _KnownPlayers of the L2NpcInstance.<BR><BR>
	 */
	@Override
	public void updateAbnormalEffect()
	{
		// Send a Server->Client packet NpcInfo with state of abnormal effect to all L2PcInstance in the _KnownPlayers of the L2NpcInstance
		Collection<L2PcInstance> plrs = getKnownList().getKnownPlayers().values();
		//synchronized (getKnownList().getKnownPlayers())
		{
			for (L2PcInstance player : plrs)
			{
				if (getRunSpeed() == 0)
					player.sendPacket(new ServerObjectInfo(this, player));
				else
					player.sendPacket(new AbstractNpcInfo.NpcInfo(this, player));
			}
		}
	}

	/**
	 * Return the distance under which the object must be add to _knownObject in
	 * function of the object type.<BR>
	 * <BR>
	 * 
	 * <B><U> Values </U> :</B><BR>
	 * <BR>
	 * <li> object is a L2FolkInstance : 0 (don't remember it) </li>
	 * <li> object is a L2Character : 0 (don't remember it) </li>
	 * <li> object is a L2PlayableInstance : 1500 </li>
	 * <li> others : 500 </li>
	 * <BR>
	 * <BR>
	 * 
	 * <B><U> Override in </U> :</B><BR>
	 * <BR>
	 * <li> L2Attackable</li>
	 * <BR>
	 * <BR>
	 * 
	 * @param object
	 *            The Object to add to _knownObject
	 * 
	 */
	public int getDistanceToWatchObject(L2Object object)
	{
		if (object instanceof L2FestivalGuideInstance)
			return 10000;

		if (object instanceof L2NpcInstance || !(object instanceof L2Character))
			return 0;

		if (object instanceof L2Playable)
			return 1500;

		return 500;
	}

	/**
	 * Return the distance after which the object must be remove from _knownObject in function of the object type.<BR><BR>
	 *
	 * <B><U> Values </U> :</B><BR><BR>
	 * <li> object is not a L2Character : 0 (don't remember it) </li>
	 * <li> object is a L2FolkInstance : 0 (don't remember it)</li>
	 * <li> object is a L2PlayableInstance : 3000 </li>
	 * <li> others : 1000 </li><BR><BR>
	 *
	 * <B><U> Overridden in </U> :</B><BR><BR>
	 * <li> L2Attackable</li><BR><BR>
	 *
	 * @param object The Object to remove from _knownObject
	 *
	 */
	public int getDistanceToForgetObject(L2Object object)
	{
		return 2 * getDistanceToWatchObject(object);
	}

	/**
	 * Return False.<BR><BR>
	 *
	 * <B><U> Overridden in </U> :</B><BR><BR>
	 * <li> L2MonsterInstance : Check if the attacker is not another L2MonsterInstance</li>
	 * <li> L2PcInstance</li><BR><BR>
	 */
	@Override
	public boolean isAutoAttackable(L2Character attacker)
	{
		return _isAutoAttackable;
	}

	public void setAutoAttackable(boolean flag)
	{
		_isAutoAttackable = flag;
	}

	/**
	 * Return the Identifier of the item in the left hand of this L2NpcInstance contained in the L2NpcTemplate.<BR><BR>
	 */
	public int getLeftHandItem()
	{
		return _currentLHandId;
	}

	/**
	 * Return the Identifier of the item in the right hand of this L2NpcInstance contained in the L2NpcTemplate.<BR><BR>
	 */
	public int getRightHandItem()
	{
		return _currentRHandId;
	}
	
	public int getEnchantEffect()
	{
		return _currentEnchant;
	}

	/**
	 * Return the busy status of this L2NpcInstance.<BR><BR>
	 */
	public final boolean isBusy()
	{
		return _isBusy;
	}

	/**
	 * Set the busy status of this L2NpcInstance.<BR><BR>
	 */
	public void setBusy(boolean isBusy)
	{
		_isBusy = isBusy;
	}

	/**
	 * Return the busy message of this L2NpcInstance.<BR><BR>
	 */
	public final String getBusyMessage()
	{
		return _busyMessage;
	}

	/**
	 * Set the busy message of this L2NpcInstance.<BR><BR>
	 */
	public void setBusyMessage(String message)
	{
		_busyMessage = message;
	}

	/**
	 * Return true if this L2Npc instance can be warehouse manager.<BR><BR> 
	 */
	public boolean isWarehouse()
	{
		return false;
	}

	public boolean canTarget(L2PcInstance player)
	{
		if (player.isOutOfControl())
		{
			player.sendPacket(ActionFailed.STATIC_PACKET);
			return false;
		}
		if (player.isLockedTarget() && player.getLockedTarget() != this)
		{
			player.sendPacket(new SystemMessage(SystemMessageId.FAILED_CHANGE_TARGET));
			player.sendPacket(ActionFailed.STATIC_PACKET);
			return false;
		}
		// TODO: More checks...

		return true;
	}

	public boolean canInteract(L2PcInstance player)
	{
		// TODO: NPC busy check etc...

		if (player.isCastingNow() || player.isCastingSimultaneouslyNow())
			return false;
		if (player.isDead() || player.isFakeDeath())
			return false;
		if (player.isSitting())
			return false;
		if (player.getPrivateStoreType() != 0)
			return false;
		if (!isInsideRadius(player, INTERACTION_DISTANCE, true, false))
			return false;
		if (player.getInstanceId() != getInstanceId()
				&& player.getInstanceId() != -1)
			return false;

		return true;
	}

	/** Return the L2Castle this L2NpcInstance belongs to. */
	public final Castle getCastle()
	{
		// Get castle this NPC belongs to (excluding L2Attackable)
		if (_castleIndex < 0)
		{
			L2TownZone town = TownManager.getTown(getX(), getY(), getZ());

			if (town != null)
				_castleIndex = CastleManager.getInstance().getCastleIndex(town.getTaxById());

			if (_castleIndex < 0)
			{
				_castleIndex = CastleManager.getInstance().findNearestCastleIndex(this);
			}
			else
				_isInTown = true; // Npc was spawned in town
		}

		if (_castleIndex < 0)
			return null;

		return CastleManager.getInstance().getCastles().get(_castleIndex);
	}

	/** Return the L2Fort this L2NpcInstance belongs to. */
	public final Fort getFort()
	{
		// Get Fort this NPC belongs to (excluding L2Attackable)
		if (_fortIndex < 0)
		{
			Fort fort = FortManager.getInstance().getFort(getX(), getY(), getZ());
			if (fort != null)
				_fortIndex = FortManager.getInstance().getFortIndex(fort.getFortId());

			if (_fortIndex < 0)
				_fortIndex = FortManager.getInstance().findNearestFortIndex(this);
		}

		if (_fortIndex < 0)
			return null;

		return FortManager.getInstance().getForts().get(_fortIndex);
	}

	public final boolean getIsInTown()
	{
		if (_castleIndex < 0)
			getCastle();

		return _isInTown;
	}

	/**
	 * Open a quest or chat window on client with the text of the L2NpcInstance in function of the command.<BR><BR>
	 *
	 * <B><U> Example of use </U> :</B><BR><BR>
	 * <li> Client packet : RequestBypassToServer</li><BR><BR>
	 *
	 * @param command The command string received from client
	 *
	 */
	public void onBypassFeedback(L2PcInstance player, String command)
	{
		//if (canInteract(player))
		{
			if (isBusy() && getBusyMessage().length() > 0)
			{
				player.sendPacket(ActionFailed.STATIC_PACKET);

				NpcHtmlMessage html = new NpcHtmlMessage(getObjectId());
				html.setFile(player.getHtmlPrefix(), "data/html/npcbusy.htm");
				html.replace("%busymessage%", getBusyMessage());
				html.replace("%npcname%", getName());
				html.replace("%playername%", player.getName());
				player.sendPacket(html);
			}
			else 
			{
				IBypassHandler handler = BypassHandler.getInstance().getBypassHandler(command);
				if (handler != null)
					handler.useBypass(command, player, this);
				else
					_log.info(getClass().getSimpleName()+": Unknown NPC bypass: \""+command+"\" NpcId: "+getNpcId());
			}
		}
	}

	/**
	 * Return null (regular NPCs don't have weapons instancies).<BR><BR>
	 */
	@Override
	public L2ItemInstance getActiveWeaponInstance()
	{
		// regular NPCs dont have weapons instancies
		return null;
	}

	/**
	 * Return the weapon item equiped in the right hand of the L2NpcInstance or null.<BR><BR>
	 */
	@Override
	public L2Weapon getActiveWeaponItem()
	{
		// Get the weapon identifier equiped in the right hand of the L2NpcInstance
		int weaponId = getTemplate().rhand;

		if (weaponId < 1)
			return null;

		// Get the weapon item equiped in the right hand of the L2NpcInstance
		L2Item item = ItemTable.getInstance().getTemplate(getTemplate().rhand);

		if (!(item instanceof L2Weapon))
			return null;

		return (L2Weapon) item;
	}

	/**
	 * Return null (regular NPCs don't have weapons instancies).<BR><BR>
	 */
	@Override
	public L2ItemInstance getSecondaryWeaponInstance()
	{
		// regular NPCs dont have weapons instancies
		return null;
	}

	/**
	 * Return the weapon item equiped in the left hand of the L2NpcInstance or null.<BR><BR>
	 */
	@Override
	public L2Weapon getSecondaryWeaponItem()
	{
		// Get the weapon identifier equiped in the right hand of the L2NpcInstance
		int weaponId = getTemplate().lhand;

		if (weaponId < 1)
			return null;

		// Get the weapon item equiped in the right hand of the L2NpcInstance
		L2Item item = ItemTable.getInstance().getTemplate(getTemplate().lhand);

		if (!(item instanceof L2Weapon))
			return null;

		return (L2Weapon) item;
	}

	/**
	 * Send a Server->Client packet NpcHtmlMessage to the L2PcInstance in order to display the message of the L2NpcInstance.<BR><BR>
	 * 
	 * @param player The L2PcInstance who talks with the L2NpcInstance
	 * @param content The text of the L2NpcMessage
	 * 
	 */
	public void insertObjectIdAndShowChatWindow(L2PcInstance player, String content)
	{
		// Send a Server->Client packet NpcHtmlMessage to the L2PcInstance in order to display the message of the L2NpcInstance
		content = content.replaceAll("%objectId%", String.valueOf(getObjectId()));
		NpcHtmlMessage npcReply = new NpcHtmlMessage(getObjectId());
		npcReply.setHtml(content);
		player.sendPacket(npcReply);
	}

	/**
	 * Return the pathfile of the selected HTML file in function of the npcId and of the page number.<BR><BR>
	 *   
	 * <B><U> Format of the pathfile </U> :</B><BR><BR>
	 * <li> if the file exists on the server (page number = 0) : <B>data/html/default/12006.htm</B> (npcId-page number)</li>
	 * <li> if the file exists on the server (page number > 0) : <B>data/html/default/12006-1.htm</B> (npcId-page number)</li>
	 * <li> if the file doesn't exist on the server : <B>data/html/npcdefault.htm</B> (message : "I have nothing to say to you")</li><BR><BR>
	 * 
	 * <B><U> Overridden in </U> :</B><BR><BR>
	 * <li> L2GuardInstance : Set the pathfile to data/html/guard/12006-1.htm (npcId-page number)</li><BR><BR>
	 * 
	 * @param npcId The Identifier of the L2NpcInstance whose text must be display
	 * @param val The number of the page to display
	 * 
	 */
	public String getHtmlPath(int npcId, int val)
	{
		String pom = "";

		if (val == 0)
			pom = "" + npcId;
		else
			pom = npcId + "-" + val;

		String temp = "data/html/default/" + pom + ".htm";

		if (!Config.LAZY_CACHE)
		{
			// If not running lazy cache the file must be in the cache or it doesnt exist
			if (HtmCache.getInstance().contains(temp))
				return temp;
		}
		else
		{
			if (HtmCache.getInstance().isLoadable(temp))
				return temp;
		}

		// If the file is not found, the standard message "I have nothing to say to you" is returned
		return "data/html/npcdefault.htm";
	}

	public void showChatWindow(L2PcInstance player)
	{
		showChatWindow(player, 0);
	}

	/**
	 * Returns true if html exists
	 * @param player
	 * @param type
	 * @return boolean
	 */
	private boolean showPkDenyChatWindow(L2PcInstance player, String type)
	{
		String html = HtmCache.getInstance().getHtm(player.getHtmlPrefix(), "data/html/" + type + "/" + getNpcId() + "-pk.htm");

		if (html != null)
		{
			NpcHtmlMessage pkDenyMsg = new NpcHtmlMessage(getObjectId());
			pkDenyMsg.setHtml(html);
			player.sendPacket(pkDenyMsg);
			player.sendPacket(ActionFailed.STATIC_PACKET);
			return true;
		}

		return false;
	}

	/**
	 * Open a chat window on client with the text of the L2NpcInstance.<BR><BR>
	 * 
	 * <B><U> Actions</U> :</B><BR><BR>
	 * <li>Get the text of the selected HTML file in function of the npcId and of the page number </li>
	 * <li>Send a Server->Client NpcHtmlMessage containing the text of the L2NpcInstance to the L2PcInstance </li>
	 * <li>Send a Server->Client ActionFailed to the L2PcInstance in order to avoid that the client wait another packet </li><BR>
	 * 
	 * @param player The L2PcInstance that talk with the L2NpcInstance
	 * @param val The number of the page of the L2NpcInstance to display
	 * 
	 */
	public void showChatWindow(L2PcInstance player, int val)
	{
		if (player.isCursedWeaponEquipped() && (!(player.getTarget() instanceof L2ClanHallManagerInstance) || !(player.getTarget() instanceof L2DoormenInstance)))
		{
			player.setTarget(player);
			return;
		}
		if (player.getKarma() > 0)
		{
			if (!Config.ALT_GAME_KARMA_PLAYER_CAN_SHOP && this instanceof L2MerchantInstance)
			{
				if (showPkDenyChatWindow(player, "merchant"))
					return;
			}
			else if (!Config.ALT_GAME_KARMA_PLAYER_CAN_USE_GK && this instanceof L2TeleporterInstance)
			{
				if (showPkDenyChatWindow(player, "teleporter"))
					return;
			}
			else if (!Config.ALT_GAME_KARMA_PLAYER_CAN_USE_WAREHOUSE && this instanceof L2WarehouseInstance)
			{
				if (showPkDenyChatWindow(player, "warehouse"))
					return;
			}
			else if (!Config.ALT_GAME_KARMA_PLAYER_CAN_SHOP && this instanceof L2FishermanInstance)
			{
				if (showPkDenyChatWindow(player, "fisherman"))
					return;
			}
		}

		if ("L2Auctioneer".equals(getTemplate().type) && val == 0)
			return;

		int npcId = getTemplate().npcId;

		/* For use with Seven Signs implementation */
		String filename = SevenSigns.SEVEN_SIGNS_HTML_PATH;
		int sealAvariceOwner = SevenSigns.getInstance().getSealOwner(SevenSigns.SEAL_AVARICE);
		int sealGnosisOwner = SevenSigns.getInstance().getSealOwner(SevenSigns.SEAL_GNOSIS);
		int playerCabal = SevenSigns.getInstance().getPlayerCabal(player.getObjectId());
		int compWinner = SevenSigns.getInstance().getCabalHighestScore();

		switch (npcId)
		{
			case 31127: //
			case 31128: //
			case 31129: // Dawn Festival Guides
			case 31130: //
			case 31131: //
				filename += "festival/dawn_guide.htm";
				break;
			case 31137: //
			case 31138: //
			case 31139: // Dusk Festival Guides
			case 31140: //
			case 31141: //
				filename += "festival/dusk_guide.htm";
				break;
			case 31092: // Black Marketeer of Mammon
				filename += "blkmrkt_1.htm";
				break;
			case 31113: // Merchant of Mammon
				if (Config.ALT_STRICT_SEVENSIGNS)
				{
					switch (compWinner)
					{
						case SevenSigns.CABAL_DAWN:
							if (playerCabal != compWinner || playerCabal != sealAvariceOwner)
							{
								player.sendPacket(new SystemMessage(SystemMessageId.CAN_BE_USED_BY_DAWN));
								player.sendPacket(ActionFailed.STATIC_PACKET);
								return;
							}
							break;
						case SevenSigns.CABAL_DUSK:
							if (playerCabal != compWinner || playerCabal != sealAvariceOwner)
							{
								player.sendPacket(new SystemMessage(SystemMessageId.CAN_BE_USED_BY_DUSK));
								player.sendPacket(ActionFailed.STATIC_PACKET);
								return;
							}
							break;
						default:
							player.sendPacket(new SystemMessage(SystemMessageId.QUEST_EVENT_PERIOD));
							return;
					}
				}
				filename += "mammmerch_1.htm";
				break;
			case 31126: // Blacksmith of Mammon
				if (Config.ALT_STRICT_SEVENSIGNS)
				{
					switch (compWinner)
					{
						case SevenSigns.CABAL_DAWN:
							if (playerCabal != compWinner || playerCabal != sealGnosisOwner)
							{
								player.sendPacket(new SystemMessage(SystemMessageId.CAN_BE_USED_BY_DAWN));
								player.sendPacket(ActionFailed.STATIC_PACKET);
								return;
							}
							break;
						case SevenSigns.CABAL_DUSK:
							if (playerCabal != compWinner || playerCabal != sealGnosisOwner)
							{
								player.sendPacket(new SystemMessage(SystemMessageId.CAN_BE_USED_BY_DUSK));
								player.sendPacket(ActionFailed.STATIC_PACKET);
								return;
							}
							break;
						default:
							player.sendPacket(new SystemMessage(SystemMessageId.QUEST_EVENT_PERIOD));
							return;
					}
				}
				filename += "mammblack_1.htm";
				break;
			case 31132:
			case 31133:
			case 31134:
			case 31135:
			case 31136: // Festival Witches
			case 31142:
			case 31143:
			case 31144:
			case 31145:
			case 31146:
				filename += "festival/festival_witch.htm";
				break;
			case 31688:
				if (player.isNoble())
					filename = Olympiad.OLYMPIAD_HTML_PATH + "noble_main.htm";
				else
					filename = (getHtmlPath(npcId, val));
				break;
			case 31690:
			case 31769:
			case 31770:
			case 31771:
			case 31772:
				if (player.isHero() || player.isNoble())
					filename = Olympiad.OLYMPIAD_HTML_PATH + "hero_main.htm";
				else
					filename = (getHtmlPath(npcId, val));
				break;
			case 36402:
				if (player.olyBuff > 0)
					filename = (player.olyBuff == 5 ? Olympiad.OLYMPIAD_HTML_PATH + "olympiad_buffs.htm" : Olympiad.OLYMPIAD_HTML_PATH + "olympiad_5buffs.htm");
				else
					filename = Olympiad.OLYMPIAD_HTML_PATH + "olympiad_nobuffs.htm";
				break;
			default:
				if (npcId >= 31865 && npcId <= 31918)
				{
					if (val == 0 )
						filename += "rift/GuardianOfBorder.htm";
					else
						filename += "rift/GuardianOfBorder-" + val + ".htm";
					break;
				}
				if ((npcId >= 31093 && npcId <= 31094) || (npcId >= 31172 && npcId <= 31201) || (npcId >= 31239 && npcId <= 31254))
					return;
				// Get the text of the selected HTML file in function of the npcId and of the page number
				filename = (getHtmlPath(npcId, val));
				break;
		}

		// Send a Server->Client NpcHtmlMessage containing the text of the L2NpcInstance to the L2PcInstance 
		NpcHtmlMessage html = new NpcHtmlMessage(getObjectId());
		html.setFile(player.getHtmlPrefix(), filename);

		if (this instanceof L2MerchantInstance)
		{
			if (Config.LIST_PET_RENT_NPC.contains(npcId))
				html.replace("_Quest", "_RentPet\">Rent Pet</a><br><a action=\"bypass -h npc_%objectId%_Quest");
		}

		html.replace("%objectId%", String.valueOf(getObjectId()));
		html.replace("%festivalMins%", SevenSignsFestival.getInstance().getTimeToNextFestivalStr());
		player.sendPacket(html);

		// Send a Server->Client ActionFailed to the L2PcInstance in order to avoid that the client wait another packet
		player.sendPacket(ActionFailed.STATIC_PACKET);
	}

	/**
	 * Open a chat window on client with the text specified by the given file name and path,<BR>
	 * relative to the datapack root.
	 * <BR><BR>
	 * Added by Tempy 
	 * @param player The L2PcInstance that talk with the L2NpcInstance
	 * @param filename The filename that contains the text to send
	 *  
	 */
	public void showChatWindow(L2PcInstance player, String filename)
	{
		// Send a Server->Client NpcHtmlMessage containing the text of the L2NpcInstance to the L2PcInstance 
		NpcHtmlMessage html = new NpcHtmlMessage(getObjectId());
		html.setFile(player.getHtmlPrefix(), filename);
		html.replace("%objectId%", String.valueOf(getObjectId()));
		player.sendPacket(html);
		
		// Send a Server->Client ActionFailed to the L2PcInstance in order to avoid that the client wait another packet
		player.sendPacket(ActionFailed.STATIC_PACKET);
	}

	/**
	 * Return the Exp Reward of this L2NpcInstance contained in the L2NpcTemplate (modified by RATE_XP).<BR><BR>
	 */
	public int getExpReward()
	{
		double rateXp = getStat().calcStat(Stats.MAX_HP, 1, this, null);
		return (int) (getTemplate().rewardExp * rateXp * Config.RATE_XP);
	}

	/**
	 * Return the SP Reward of this L2NpcInstance contained in the L2NpcTemplate (modified by RATE_SP).<BR><BR>
	 */
	public int getSpReward()
	{
		double rateSp = getStat().calcStat(Stats.MAX_HP, 1, this, null);
		return (int) (getTemplate().rewardSp * rateSp * Config.RATE_SP);
	}

	/**
	 * Kill the L2NpcInstance (the corpse disappeared after 7 seconds).<BR><BR>
	 * 
	 * <B><U> Actions</U> :</B><BR><BR>
	 * <li>Create a DecayTask to remove the corpse of the L2NpcInstance after 7 seconds </li>
	 * <li>Set target to null and cancel Attack or Cast </li>
	 * <li>Stop movement </li>
	 * <li>Stop HP/MP/CP Regeneration task </li>
	 * <li>Stop all active skills effects in progress on the L2Character </li>
	 * <li>Send the Server->Client packet StatusUpdate with current HP and MP to all other L2PcInstance to inform </li>
	 * <li>Notify L2Character AI </li><BR><BR>
	 * 
	 * <B><U> Overridden in </U> :</B><BR><BR>
	 * <li> L2Attackable </li><BR><BR>
	 * 
	 * @param killer The L2Character who killed it
	 * 
	 */
	@Override
	public boolean doDie(L2Character killer)
	{
		if (!super.doDie(killer))
			return false;

		// normally this wouldn't really be needed, but for those few exceptions, 
		// we do need to reset the weapons back to the initial templated weapon.
		_currentLHandId = getTemplate().lhand;
		_currentRHandId = getTemplate().rhand;
		_currentCollisionHeight = getTemplate().fCollisionHeight;
		_currentCollisionRadius = getTemplate().fCollisionRadius;
		DecayTaskManager.getInstance().addDecayTask(this);
		return true;
	}

	/**
	 * Set the spawn of the L2NpcInstance.<BR><BR>
	 * 
	 * @param spawn The L2Spawn that manage the L2NpcInstance
	 * 
	 */
	public void setSpawn(L2Spawn spawn)
	{
		_spawn = spawn;
	}

	@Override
	public void onSpawn()
	{
		super.onSpawn();

		if (getTemplate().getEventQuests(Quest.QuestEventType.ON_SPAWN) != null)
			for (Quest quest : getTemplate().getEventQuests(Quest.QuestEventType.ON_SPAWN))
				quest.notifySpawn(this);
	}

	/**
	 * Remove the L2NpcInstance from the world and update its spawn object (for a complete removal use the deleteMe method).<BR><BR>
	 * 
	 * <B><U> Actions</U> :</B><BR><BR>
	 * <li>Remove the L2NpcInstance from the world when the decay task is launched </li>
	 * <li>Decrease its spawn counter </li>
	 * <li>Manage Siege task (killFlag, killCT) </li><BR><BR>
	 * 
	 * <FONT COLOR=#FF0000><B> <U>Caution</U> : This method DOESN'T REMOVE the object from _allObjects of L2World </B></FONT><BR>
	 * <FONT COLOR=#FF0000><B> <U>Caution</U> : This method DOESN'T SEND Server->Client packets to players</B></FONT><BR><BR>
	 * 
	 */
	@Override
	public void onDecay()
	{
		if (isDecayed())
			return;
		setDecayed(true);

		// Remove the L2NpcInstance from the world when the decay task is launched
		super.onDecay();

		// Decrease its spawn counter
		if (_spawn != null)
			_spawn.decreaseCount(this);
	}

	/**
	 * Remove PROPERLY the L2NpcInstance from the world.<BR><BR>
	 * 
	 * <B><U> Actions</U> :</B><BR><BR>
	 * <li>Remove the L2NpcInstance from the world and update its spawn object </li>
	 * <li>Remove all L2Object from _knownObjects and _knownPlayer of the L2NpcInstance then cancel Attack or Cast and notify AI </li>
	 * <li>Remove L2Object object from _allObjects of L2World </li><BR><BR>
	 * 
	 * <FONT COLOR=#FF0000><B> <U>Caution</U> : This method DOESN'T SEND Server->Client packets to players</B></FONT><BR><BR>
	 * 
	 */
	public void deleteMe()
	{
		L2WorldRegion oldRegion = getWorldRegion();

		try
		{
			decayMe();
		}
		catch (Exception e)
		{
			_log.log(Level.SEVERE, "Failed decayMe().", e);
		}
		try
		{
			if (_fusionSkill != null)
				abortCast();

			for (L2Character character : getKnownList().getKnownCharacters())
				if (character.getFusionSkill() != null && character.getFusionSkill().getTarget() == this)
					character.abortCast();
		}
		catch (Exception e)
		{
			_log.log(Level.SEVERE, "deleteMe()", e);
		}
		if (oldRegion != null)
			oldRegion.removeFromZones(this);

		// Remove all L2Object from _knownObjects and _knownPlayer of the L2Character then cancel Attak or Cast and notify AI
		try
		{
			getKnownList().removeAllKnownObjects();
		}
		catch (Exception e)
		{
			_log.log(Level.SEVERE, "Failed removing cleaning knownlist.", e);
		}

		// Remove L2Object object from _allObjects of L2World
		L2World.getInstance().removeObject(this);
	}

	/**
	 * Return the L2Spawn object that manage this L2NpcInstance.<BR><BR>
	 */
	public L2Spawn getSpawn()
	{
		return _spawn;
	}

	@Override
	public String toString()
	{
		return getClass().getSimpleName()+":"+getTemplate().name+"("+getNpcId()+")"+"["+getObjectId()+"]";
	}

	public boolean isDecayed()
	{
		return _isDecayed;
	}

	public void setDecayed(boolean decayed)
	{
		_isDecayed = decayed;
	}

	public void endDecayTask()
	{
		if (!isDecayed())
		{
			DecayTaskManager.getInstance().cancelDecayTask(this);
			onDecay();
		}
	}

	public boolean isMob() // rather delete this check
	{
		return false; // This means we use MAX_NPC_ANIMATION instead of MAX_MONSTER_ANIMATION
	}

	// Two functions to change the appearance of the equipped weapons on the NPC
	// This is only useful for a few NPCs and is most likely going to be called from AI
	public void setLHandId(int newWeaponId)
	{
		_currentLHandId = newWeaponId;
		updateAbnormalEffect();
	}

	public void setRHandId(int newWeaponId)
	{
		_currentRHandId = newWeaponId;
		updateAbnormalEffect();
	}

	public void setLRHandId(int newLWeaponId, int newRWeaponId)
	{
		_currentRHandId = newRWeaponId;
		_currentLHandId = newLWeaponId;
		updateAbnormalEffect();
	}
	
	public void setEnchant(int newEnchantValue)
	{
		_currentEnchant = newEnchantValue;
		updateAbnormalEffect();
	}

	public void setCollisionHeight(double height)
	{
		_currentCollisionHeight = height;
	}

	public void setCollisionRadius(double radius)
	{
		_currentCollisionRadius = radius;
	}

	public double getCollisionHeight()
	{
		return _currentCollisionHeight;
	}

	public double getCollisionRadius()
	{
		return _currentCollisionRadius;
	}

	@Override
	public void sendInfo(L2PcInstance activeChar)
	{
		if (Config.CHECK_KNOWN)
			activeChar.sendMessage("Added NPC: "+getName());

		if (getRunSpeed() == 0)
			activeChar.sendPacket(new ServerObjectInfo(this, activeChar));
		else
			activeChar.sendPacket(new AbstractNpcInfo.NpcInfo(this, activeChar));
	}

	public void showNoTeachHtml(L2PcInstance player)
	{
		int npcId = getNpcId();
		String html = "";

		if (this instanceof L2WarehouseInstance)
			html = HtmCache.getInstance().getHtm(player.getHtmlPrefix(), "data/html/warehouse/" + npcId + "-noteach.htm");
		else if (this instanceof L2TrainerInstance)
			html = HtmCache.getInstance().getHtm(player.getHtmlPrefix(), "data/html/trainer/" + npcId + "-noteach.htm");

		if (html == null)
		{
			_log.warning("Npc " + npcId + " missing noTeach html!");
			NpcHtmlMessage msg = new NpcHtmlMessage(getObjectId());
			final String sb = StringUtil.concat(
					"<html><body>" +
					"I cannot teach you any skills.<br>You must find your current class teachers.",
					"</body></html>"
			);
			msg.setHtml(sb);
			player.sendPacket(msg);
			return;
		}
		else
		{
			NpcHtmlMessage noTeachMsg = new NpcHtmlMessage(getObjectId());
			noTeachMsg.setHtml(html);
			noTeachMsg.replace("%objectId%", String.valueOf(getObjectId()));
			player.sendPacket(noTeachMsg);
		}
	}
	
	public L2Npc scheduleDespawn(long delay)
	{
		ThreadPoolManager.getInstance().scheduleGeneral(this.new DespawnTask(this), delay);
		return this;
	}
	
	public class DespawnTask implements Runnable
	{
		L2Npc _npc;
		
		public DespawnTask(L2Npc npc)
		{
			_npc = npc;
		}

		@Override
		public void run()
		{
			if (_npc != null)
				_npc.deleteMe();
		}		
	}
	
	@Override
	protected final void notifyQuestEventSkillFinished(L2Skill skill, L2Object target)
	{
		try
		{
			if (getTemplate().getEventQuests(Quest.QuestEventType.ON_SPELL_FINISHED) != null)
			{
				L2PcInstance player = target.getActingPlayer();
				for (Quest quest : getTemplate().getEventQuests(Quest.QuestEventType.ON_SPELL_FINISHED))
				{
					quest.notifySpellFinished(this, player, skill);
				}
			}
		}
		catch (Exception e)
		{
			_log.log(Level.SEVERE, "", e);
		}
	}
	
	/* (non-Javadoc)
	 * @see com.l2jserver.gameserver.model.actor.L2Character#isMovementDisabled()
	 */
	@Override
	public boolean isMovementDisabled()
	{
		return super.isMovementDisabled() || getCanMove() > 0 || getAiType().equals(AIType.CORPSE);
	}
	
	public AIType getAiType()
	{
		return getTemplate().getAIDataStatic().getAiType();
	}
}