/*
 * 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.edelvez.gameserver.model;

import java.util.List;

import javolution.util.FastList;
import com.edelvez.Config;
import com.edelvez.gameserver.SevenSignsFestival;
import com.edelvez.gameserver.datatables.ItemTable;
import com.edelvez.gameserver.instancemanager.DuelManager;
import com.edelvez.gameserver.model.actor.instance.L2PcInstance;
import com.edelvez.gameserver.model.actor.instance.L2PetInstance;
import com.edelvez.gameserver.model.actor.instance.L2PlayableInstance;
import com.edelvez.gameserver.model.actor.instance.L2SummonInstance;
import com.edelvez.gameserver.model.entity.DimensionalRift;
import com.edelvez.gameserver.network.SystemMessageId;
import com.edelvez.gameserver.network.serverpackets.L2GameServerPacket;
import com.edelvez.gameserver.network.serverpackets.PartySmallWindowAdd;
import com.edelvez.gameserver.network.serverpackets.PartySmallWindowAll;
import com.edelvez.gameserver.network.serverpackets.PartySmallWindowDelete;
import com.edelvez.gameserver.network.serverpackets.PartySmallWindowDeleteAll;
import com.edelvez.gameserver.network.serverpackets.PartySmallWindowUpdate;
import com.edelvez.gameserver.network.serverpackets.SystemMessage;
import com.edelvez.gameserver.skills.Stats;
import com.edelvez.gameserver.util.Util;
import com.edelvez.util.Rnd;

/**
 * This class ...
 *
 * @author nuocnam
 * @version $Revision: 1.6.2.2.2.6 $ $Date: 2005/04/11 19:12:16 $
 */
public class L2Party
{
	private static final double[] BONUS_EXP_SP = { 1, 1.30, 1.39, 1.50, 1.54, 1.58, 1.63, 1.67, 1.71 };
	// private static Logger _log =
	// Logger.getLogger(L2Party.class.getName());
	private List<L2PcInstance> _members = null;
	private int _pendingInvitation = 0; // Number of players that already have
	// been invited (but not replied yet)
	private int _partyLvl = 0;
	private int _itemDistribution = 0;
	private int _itemLastLoot = 0;
	private L2CommandChannel _commandChannel = null;
	private DimensionalRift _dr;
	public static final int ITEM_LOOTER = 0;
	public static final int ITEM_RANDOM = 1;
	public static final int ITEM_RANDOM_SPOIL = 2;
	public static final int ITEM_ORDER = 3;
	public static final int ITEM_ORDER_SPOIL = 4;

	/**
	 * constructor ensures party has always one member - leader
	 *
	 * @param leader
	 * @param itemDistributionMode
	 */
	public L2Party(L2PcInstance leader, int itemDistribution)
	{
		_itemDistribution = itemDistribution;
		getPartyMembers().add(leader);
		_partyLvl = leader.getLevel();
	}

	/**
	 * returns number of party members
	 *
	 * @return
	 */
	public int getMemberCount()
	{
		return getPartyMembers().size();
	}

	/**
	 * returns number of players that already been invited, but not replied yet
	 *
	 * @return
	 */
	public int getPendingInvitationNumber()
	{
		return _pendingInvitation;
	}

	/**
	 * decrease number of players that already been invited but not replied yet happens when: player join party or player decline to join
	 */
	public void decreasePendingInvitationNumber()
	{
		_pendingInvitation--;
	}

	/**
	 * increase number of players that already been invite but not replied yet
	 */
	public void increasePendingInvitationNumber()
	{
		_pendingInvitation++;
	}

	/**
	 * returns all party members
	 *
	 * @return
	 */
	public List<L2PcInstance> getPartyMembers()
	{
		if (_members == null) {
			_members = new FastList<L2PcInstance>();
		}
		return _members;
	}

	/**
	 * get random member from party
	 *
	 * @return
	 */
	// private L2PcInstance getRandomMember() { return
	// getPartyMembers().get(Rnd.get(getPartyMembers().size())); }
	private L2PcInstance getCheckedRandomMember(int ItemId, L2Character target)
	{
		List<L2PcInstance> availableMembers = new FastList<L2PcInstance>();
		for (L2PcInstance member : getPartyMembers())
		{
			if (member.getInventory().validateCapacityByItemId(ItemId) && Util.checkIfInRange(Config.ALT_PARTY_RANGE2, target, member, true)) {
				availableMembers.add(member);
			}
		}
		if (availableMembers.size() > 0) {
			return availableMembers.get(Rnd.get(availableMembers.size()));
		} else {
			return null;
		}
	}

	/**
	 * get next item looter
	 *
	 * @return
	 */
	/*
	 * private L2PcInstance getNextLooter() { _itemLastLoot++; if (_itemLastLoot > getPartyMembers().size() -1) _itemLastLoot = 0; return (getPartyMembers().size() > 0) ? getPartyMembers().get(_itemLastLoot) : null; }
	 */
	private L2PcInstance getCheckedNextLooter(int ItemId, L2Character target)
	{
		for (int i = 0; i < getMemberCount(); i++)
		{
			_itemLastLoot++;
			if (_itemLastLoot >= getMemberCount()) {
				_itemLastLoot = 0;
			}
			L2PcInstance member;
			try
			{
				member = getPartyMembers().get(_itemLastLoot);
				if (member.getInventory().validateCapacityByItemId(ItemId) && Util.checkIfInRange(Config.ALT_PARTY_RANGE2, target, member, true)) {
					return member;
				}
			}
			catch (Exception e)
			{
				// continue, take another member if this just logged off
			}
		}
		return null;
	}

	/**
	 * get next item looter
	 *
	 * @return
	 */
	private L2PcInstance getActualLooter(L2PcInstance player, int ItemId, boolean spoil, L2Character target)
	{
		L2PcInstance looter = player;
		switch (_itemDistribution)
		{
			case ITEM_RANDOM:
				if (!spoil) {
					looter = getCheckedRandomMember(ItemId, target);
				}
				break;
			case ITEM_RANDOM_SPOIL:
				looter = getCheckedRandomMember(ItemId, target);
				break;
			case ITEM_ORDER:
				if (!spoil) {
					looter = getCheckedNextLooter(ItemId, target);
				}
				break;
			case ITEM_ORDER_SPOIL:
				looter = getCheckedNextLooter(ItemId, target);
				break;
		}
		if (looter == null) {
			looter = player;
		}
		return looter;
	}

	/**
	 * true if player is party leader
	 *
	 * @param player
	 * @return
	 */
	public boolean isLeader(L2PcInstance player)
	{
		return getLeader().equals(player);
	}

	/**
	 * Returns the Object ID for the party leader to be used as a unique identifier of this party
	 *
	 * @return int
	 */
	public int getPartyLeaderOID()
	{
		return getLeader().getObjectId();
	}

	/**
	 * Broadcasts packet to every party member
	 *
	 * @param msg
	 */
	public void broadcastToPartyMembers(L2GameServerPacket msg)
	{
		for (L2PcInstance member : getPartyMembers())
		{
			member.sendPacket(msg);
		}
	}

	/**
	 * Send a Server->Client packet to all other L2PcInstance of the Party.<BR>
	 * <BR>
	 */
	public void broadcastToPartyMembers(L2PcInstance player, L2GameServerPacket msg)
	{
		for (L2PcInstance member : getPartyMembers())
		{
			if (member != null && !member.equals(player)) {
				member.sendPacket(msg);
			}
		}
	}

	/**
	 * adds new member to party
	 *
	 * @param player
	 */
	public void addPartyMember(L2PcInstance player)
	{
		// sends new member party window for all members
		// we do all actions before adding member to a list, this speeds things
		// up a little
		PartySmallWindowAll window = new PartySmallWindowAll();
		window.setPartyList(getPartyMembers());
		player.sendPacket(window);
		SystemMessage msg = new SystemMessage(SystemMessageId.YOU_JOINED_S1_PARTY);
		msg.addString(getLeader().getName());
		player.sendPacket(msg);
		msg = new SystemMessage(SystemMessageId.S1_JOINED_PARTY);
		msg.addString(player.getName());
		broadcastToPartyMembers(msg);
		broadcastToPartyMembers(new PartySmallWindowAdd(player));
		// add player to party, adjust party level
		getPartyMembers().add(player);
		if (player.getLevel() > _partyLvl)
		{
			_partyLvl = player.getLevel();
		}
		// update partySpelled
		for (L2PcInstance member : getPartyMembers()) {
			member.updateEffectIcons(true); // update party icons only
		}
		if (isInDimensionalRift()) {
			_dr.partyMemberInvited();
		}
	}

	/**
	 * removes player from party
	 *
	 * @param player
	 */
	public void removePartyMember(L2PcInstance player)
	{
		if (getPartyMembers().contains(player))
		{
			// remove player
			if (isLeader(player) && getPartyMembers().size() > 2) {
				changePartyLeader(getPartyMembers().get(1).getName());
			}
			getPartyMembers().remove(player);
			// delete all party-windows on removed player
			SystemMessage msg = new SystemMessage(SystemMessageId.YOU_LEFT_PARTY);
			player.sendPacket(msg);
			player.sendPacket(new PartySmallWindowDeleteAll());
			player.setParty(null);
			// delete removed player window on other players
			msg = new SystemMessage(SystemMessageId.S1_LEFT_PARTY);
			msg.addString(player.getName());
			broadcastToPartyMembers(msg);
			broadcastToPartyMembers(new PartySmallWindowDelete(player));
			// calc new party level
			recalculatePartyLevel();
			// check some views
			if (player.isFestivalParticipant()) {
				SevenSignsFestival.getInstance().updateParticipants(player, this);
			}
			if (player.isInDuel()) {
				DuelManager.getInstance().onRemoveFromParty(player);
			}
			try
			{
				if (player.getForceBuff() != null) {
					player.abortCast();
				}
				for (L2Character character : player.getKnownList().getKnownCharacters()) {
					if (character.getForceBuff() != null && character.getForceBuff().getTarget() == player) {
						character.abortCast();
					}
				}
			}
			catch (Exception e)
			{
			}
			if (isInDimensionalRift()) {
				_dr.partyMemberExited(player);
			}
			// check party size
			if (getPartyMembers().size() == 1)
			{
				getLeader().setParty(null);
				if (getLeader().isInDuel()) {
					DuelManager.getInstance().onRemoveFromParty(getLeader());
				}
			}
		}
	}

	/**
	 * Send to all party members new party-list
	 */
	public void updatePartyMembersWindow()
	{
		for (L2PcInstance member : getPartyMembers())
		{
			// delete current party window
			member.sendPacket(new PartySmallWindowDeleteAll());
			// prepare new
			PartySmallWindowAll windowAll = new PartySmallWindowAll();
			windowAll.setPartyList(_members);
			windowAll.setCurrentPlayer(member);
			// send new party windows
			member.sendPacket(windowAll);
		}
	}

	/**
	 * Change party leader (used for string arguments)
	 *
	 * @param name
	 */
	public void changePartyLeader(String name)
	{
		L2PcInstance player = getPlayerByName(name);
		if (player != null && !player.isInDuel())
		{
			if (getPartyMembers().contains(player))
			{
				if (isLeader(player))
				{
					player.sendPacket(new SystemMessage(SystemMessageId.YOU_CANNOT_TRANSFER_RIGHTS_TO_YOURSELF));
				}
				else
				{
					// swap party members
					L2PcInstance temp;
					int p1 = getPartyMembers().indexOf(player);
					temp = getLeader();
					getPartyMembers().set(0, getPartyMembers().get(p1));
					getPartyMembers().set(p1, temp);
					SystemMessage msg = new SystemMessage(SystemMessageId.S1_HAS_BECOME_A_PARTY_LEADER);
					msg.addString(getLeader().getName());
					broadcastToPartyMembers(msg);
					broadcastToPartyMembers(new PartySmallWindowUpdate(getLeader()));
					if (isInCommandChannel())
					{
						_commandChannel.setChannelLeader(getPartyMembers().get(0));
					}
					// update party windows (new leader)
					updatePartyMembersWindow();
				}
			}
			else
			{
				player.sendPacket(new SystemMessage(SystemMessageId.YOU_CAN_TRANSFER_RIGHTS_ONLY_TO_ANOTHER_PARTY_MEMBER));
			}
		}
	}

	/**
	 * finds a player in the party by name
	 *
	 * @param name
	 * @return
	 */
	private L2PcInstance getPlayerByName(String name)
	{
		for (L2PcInstance member : getPartyMembers())
		{
			if (member.getName().equals(name)) {
				return member;
			}
		}
		return null;
	}

	/**
	 * Oust player from party
	 *
	 * @param player
	 */
	public void oustPartyMember(L2PcInstance player)
	{
		if (getPartyMembers().contains(player))
		{
			if (isLeader(player))
			{
				removePartyMember(player);
				if (getPartyMembers().size() > 1)
				{
					SystemMessage msg = new SystemMessage(SystemMessageId.S1_HAS_BECOME_A_PARTY_LEADER);
					msg.addString(getLeader().getName());
					broadcastToPartyMembers(msg);
					broadcastToPartyMembers(new PartySmallWindowUpdate(getLeader()));
				}
			}
			else
			{
				removePartyMember(player);
			}
			if (getPartyMembers().size() == 1)
			{
				// No more party needed
				_members = null;
			}
		}
	}

	/**
	 * Oust player from party Overloaded method that takes player's name as parameter
	 *
	 * @param name
	 */
	public void oustPartyMember(String name)
	{
		L2PcInstance player = getPlayerByName(name);
		if (player != null)
		{
			if (isLeader(player))
			{
				removePartyMember(player);
				if (getPartyMembers().size() > 1)
				{
					SystemMessage msg = new SystemMessage(SystemMessageId.S1_HAS_BECOME_A_PARTY_LEADER);
					msg.addString(getLeader().getName());
					broadcastToPartyMembers(msg);
					broadcastToPartyMembers(new PartySmallWindowUpdate(getLeader()));
				}
			}
			else
			{
				removePartyMember(player);
			}
			if (getPartyMembers().size() == 1)
			{
				// No more party needed
				_members = null;
			}
		}
	}

	/**
	 * dissolves entire party
	 */
	/*
	 * [DEPRECATED] private void dissolveParty() { SystemMessage msg = new SystemMessage(SystemMessageId.PARTY_DISPERSED); for(int i = 0; i < _members.size(); i++) { L2PcInstance temp = _members.get(i); temp.sendPacket(msg); temp.sendPacket(new PartySmallWindowDeleteAll()); temp.setParty(null); } }
	 */
	/**
	 * distribute item(s) to party members
	 *
	 * @param player
	 * @param item
	 */
	public void distributeItem(L2PcInstance player, L2ItemInstance item)
	{
		if (item.getItemId() == 57)
		{
			distributeAdena(player, item.getCount(), player);
			ItemTable.getInstance().destroyItem("Party", item, player, null);
			return;
		}
		L2PcInstance target = getActualLooter(player, item.getItemId(), false, player);
		target.addItem("Party", item, player, true);
		// Send messages to other party members about reward
		if (item.getCount() > 1)
		{
			SystemMessage msg = new SystemMessage(SystemMessageId.S1_PICKED_UP_S2_S3);
			msg.addString(target.getName());
			msg.addItemName(item.getItemId());
			msg.addNumber(item.getCount());
			broadcastToPartyMembers(target, msg);
		}
		else
		{
			SystemMessage msg = new SystemMessage(SystemMessageId.S1_PICKED_UP_S2);
			msg.addString(target.getName());
			msg.addItemName(item.getItemId());
			broadcastToPartyMembers(target, msg);
		}
	}

	/**
	 * distribute item(s) to party members
	 *
	 * @param player
	 * @param item
	 */
	public void distributeItem(L2PcInstance player, L2Attackable.RewardItem item, boolean spoil, L2Attackable target)
	{
		if (item == null) {
			return;
		}
		if (item.getItemId() == 57)
		{
			distributeAdena(player, item.getCount(), target);
			return;
		}
		L2PcInstance looter = getActualLooter(player, item.getItemId(), spoil, target);
		looter.addItem(spoil ? "Sweep" : "Party", item.getItemId(), item.getCount(), player, true);
		// Send messages to other aprty members about reward
		if (item.getCount() > 1)
		{
			SystemMessage msg = spoil ? new SystemMessage(SystemMessageId.S1_SWEEPED_UP_S2_S3) : new SystemMessage(SystemMessageId.S1_PICKED_UP_S2_S3);
			msg.addString(looter.getName());
			msg.addItemName(item.getItemId());
			msg.addNumber(item.getCount());
			broadcastToPartyMembers(looter, msg);
		}
		else
		{
			SystemMessage msg = spoil ? new SystemMessage(SystemMessageId.S1_SWEEPED_UP_S2) : new SystemMessage(SystemMessageId.S1_PICKED_UP_S2);
			msg.addString(looter.getName());
			msg.addItemName(item.getItemId());
			broadcastToPartyMembers(looter, msg);
		}
	}

	/**
	 * distribute adena to party members
	 *
	 * @param adena
	 */
	public void distributeAdena(L2PcInstance player, int adena, L2Character target)
	{
		// Get all the party members
		List<L2PcInstance> membersList = getPartyMembers();
		// Check the number of party members that must be rewarded
		// (The party member must be in range to receive its reward)
		List<L2PcInstance> ToReward = new FastList<L2PcInstance>();
		for (L2PcInstance member : membersList)
		{
			if (!Util.checkIfInRange(Config.ALT_PARTY_RANGE2, target, member, true)) {
				continue;
			}
			ToReward.add(member);
		}
		// Avoid null exceptions, if any
		if (ToReward == null || ToReward.isEmpty()) {
			return;
		}
		// Now we can actually distribute the adena reward
		// (Total adena splitted by the number of party members that are in
		// range and must be rewarded)
		int count = adena / ToReward.size();
		for (L2PcInstance member : ToReward) {
			member.addAdena("Party", count, player, true);
		}
	}

	/**
	 * Distribute Experience and SP rewards to L2PcInstance Party members in the known area of the last attacker.<BR>
	 * <BR>
	 * <B><U> Actions</U> :</B><BR>
	 * <BR>
	 * <li>Get the L2PcInstance owner of the L2SummonInstance (if necessary)</li> <li>Calculate the Experience and SP reward distribution rate</li> <li>Add Experience and SP to the L2PcInstance</li> <BR>
	 * <BR>
	 * <FONT COLOR=#FF0000><B> <U>Caution</U> : This method DOESN'T GIVE rewards to L2PetInstance</B></FONT><BR>
	 * <BR>
	 * Exception are L2PetInstances that leech from the owner's XP; they get the exp indirectly, via the owner's exp gain<BR>
	 *
	 * @param xpReward
	 *            The Experience reward to distribute
	 * @param spReward
	 *            The SP reward to distribute
	 * @param rewardedMembers
	 *            The list of L2PcInstance to reward
	 */
	public void distributeXpAndSp(long xpReward, int spReward, List<L2PlayableInstance> rewardedMembers, int topLvl)
	{
		L2SummonInstance summon = null;
		List<L2PlayableInstance> validMembers = getValidMembers(rewardedMembers, topLvl);
		float penalty;
		double sqLevel;
		double preCalculation;
		xpReward *= getExpBonus(validMembers.size());
		spReward *= getSpBonus(validMembers.size());
		double sqLevelSum = 0;
		for (L2PlayableInstance character : validMembers) {
			sqLevelSum += character.getLevel() * character.getLevel();
		}
		// Go through the L2PcInstances and L2PetInstances (not
		// L2SummonInstances) that must be rewarded
		synchronized (rewardedMembers)
		{
			for (L2Character member : rewardedMembers)
			{
				if (member.isDead()) {
					continue;
				}
				penalty = 0;
				// The L2SummonInstance penalty
				if (member.getPet() instanceof L2SummonInstance)
				{
					summon = (L2SummonInstance) member.getPet();
					penalty = summon.getExpPenalty();
				}
				// Pets that leech xp from the owner (like babypets) do not get
				// rewarded directly
				if (member instanceof L2PetInstance)
				{
					if (((L2PetInstance) member).getPetData().getOwnerExpTaken() > 0) {
						continue;
					} else {
						// TODO: This is a temporary fix while correct pet xp in
						// party is figured out
						penalty = (float) 0.85;
					}
				}
				// Calculate and add the EXP and SP reward to the member
				if (validMembers.contains(member))
				{
					sqLevel = member.getLevel() * member.getLevel();
					preCalculation = sqLevel / sqLevelSum * (1 - penalty);
					// Add the XP/SP points to the requested party member
					if (!member.isDead()) {
						member.addExpAndSp(Math.round(member.calcStat(Stats.EXPSP_RATE, xpReward * preCalculation, null, null)), (int) member.calcStat(Stats.EXPSP_RATE, spReward * preCalculation, null, null));
					}
				}
				else
				{
					member.addExpAndSp(0, 0);
				}
			}
		}
	}

	/**
	 * Calculates and gives final XP and SP rewards to the party member.<BR>
	 * This method takes in consideration number of members, members' levels, rewarder's level and bonus modifier for the actual party.<BR>
	 * <BR>
	 *
	 * @param member
	 *            is the L2Character to be rewarded
	 * @param xpReward
	 *            is the total amount of XP to be "splited" and given to the member
	 * @param spReward
	 *            is the total amount of SP to be "splited" and given to the member
	 * @param penalty
	 *            is the penalty that must be applied to the XP rewards of the requested member
	 */
	/**
	 * refresh party level
	 */
	public void recalculatePartyLevel()
	{
		int newLevel = 0;
		for (L2PcInstance member : getPartyMembers())
		{
			if (member.getLevel() > newLevel) {
				newLevel = member.getLevel();
			}
		}
		_partyLvl = newLevel;
	}

	private List<L2PlayableInstance> getValidMembers(List<L2PlayableInstance> members, int topLvl)
	{
		List<L2PlayableInstance> validMembers = new FastList<L2PlayableInstance>();
		// Fixed LevelDiff cutoff point
		if (Config.PARTY_XP_CUTOFF_METHOD.equalsIgnoreCase("level"))
		{
			for (L2PlayableInstance member : members)
			{
				if (topLvl - member.getLevel() <= Config.PARTY_XP_CUTOFF_LEVEL) {
					validMembers.add(member);
				}
			}
		}
		// Fixed MinPercentage cutoff point
		else if (Config.PARTY_XP_CUTOFF_METHOD.equalsIgnoreCase("percentage"))
		{
			int sqLevelSum = 0;
			for (L2PlayableInstance member : members)
			{
				sqLevelSum += member.getLevel() * member.getLevel();
			}
			for (L2PlayableInstance member : members)
			{
				int sqLevel = member.getLevel() * member.getLevel();
				if (sqLevel * 100 >= sqLevelSum * Config.PARTY_XP_CUTOFF_PERCENT) {
					validMembers.add(member);
				}
			}
		}
		// Automatic cutoff method
		else if (Config.PARTY_XP_CUTOFF_METHOD.equalsIgnoreCase("auto"))
		{
			int sqLevelSum = 0;
			for (L2PlayableInstance member : members)
			{
				sqLevelSum += member.getLevel() * member.getLevel();
			}
			int i = members.size() - 1;
			if (i < 1) {
				return members;
			}
			if (i >= BONUS_EXP_SP.length) {
				i = BONUS_EXP_SP.length - 1;
			}
			for (L2PlayableInstance member : members)
			{
				int sqLevel = member.getLevel() * member.getLevel();
				if (sqLevel >= sqLevelSum * (1 - 1 / (1 + BONUS_EXP_SP[i] - BONUS_EXP_SP[i - 1]))) {
					validMembers.add(member);
				}
			}
		}
		return validMembers;
	}

	private double getBaseExpSpBonus(int membersCount)
	{
		int i = membersCount - 1;
		if (i < 1) {
			return 1;
		}
		if (i >= BONUS_EXP_SP.length) {
			i = BONUS_EXP_SP.length - 1;
		}
		return BONUS_EXP_SP[i];
	}

	private double getExpBonus(int membersCount)
	{
		if (membersCount < 2)
		{
			// not is a valid party
			return getBaseExpSpBonus(membersCount);
		}
		else
		{
			return getBaseExpSpBonus(membersCount) * Config.RATE_PARTY_XP;
		}
	}

	private double getSpBonus(int membersCount)
	{
		if (membersCount < 2)
		{
			// not is a valid party
			return getBaseExpSpBonus(membersCount);
		}
		else
		{
			return getBaseExpSpBonus(membersCount) * Config.RATE_PARTY_SP;
		}
	}

	public int getLevel()
	{
		return _partyLvl;
	}

	public int getLootDistribution()
	{
		return _itemDistribution;
	}

	public boolean isInCommandChannel()
	{
		return _commandChannel != null;
	}

	public L2CommandChannel getCommandChannel()
	{
		return _commandChannel;
	}

	public void setCommandChannel(L2CommandChannel channel)
	{
		_commandChannel = channel;
	}

	public boolean isInDimensionalRift()
	{
		return _dr != null;
	}

	public void setDimensionalRift(DimensionalRift dr)
	{
		_dr = dr;
	}

	public DimensionalRift getDimensionalRift()
	{
		return _dr;
	}

	public L2PcInstance getLeader()
	{
		return getPartyMembers().get(0);
	}
}
