Miscellany

	/**	 * Checks if attacker can attack target	 * 	 * @param attacker	 * @param target	 * @param ctrlPressed	 * @param sendSysMsg - send systemMessages. Depends on bySkill switch.	 * @param bySkill - false: simple attack , true: check is used in skills	 * @return	 */	public static boolean isPcEnemies(final L2PcInstance attacker, final L2PcInstance target, boolean ctrlPressed, boolean sendSysMsg, boolean bySkill)	{		if (attacker == target)			return false; // cannot attack self		if (target.isTransformed() && !target.getTransformation().canBeAttacked())			return false;		// =========================		// ZONE_PEACE checks		// =========================		if (attacker.isInsideZone(L2Character.ZONE_PEACE))		{			if (ctrlPressed && sendSysMsg)			{				if (bySkill)					attacker.getSkillUseManager().setFailureSysMsg(SystemMessageId.A_MALICIOUS_SKILL_CANNOT_BE_USED_IN_PEACE_ZONE);				else					attacker.sendPacket(SystemMessageId.CANT_ATK_PEACEZONE);			}			return false; // cannot attack in peace zone		}		if (target.isInsideZone(L2Character.ZONE_PEACE))		{			if (ctrlPressed && sendSysMsg)			{				if (bySkill)					attacker.getSkillUseManager().setFailureSysMsg(SystemMessageId.CANT_USE_BAD_MAGIC_WHEN_OPPONENT_IN_PEACE_ZONE);				else					attacker.sendPacket(SystemMessageId.TARGET_IN_PEACEZONE);			}			return false; // cannot attack in peace zone		}		// =========================		// PK protection		// =========================		if (target.isPkProtected() && (attacker.getLevel() - target.getLevel()) >= 10 && attacker.getKarma() > 0			&& !(target.isInsideZone(L2Character.ZONE_BATTLE)))		{			// If attacker have karma and have level >= 10 than his target and target have			// Newbie Protection Buff,			attacker.getActingPlayer().sendPacket(SystemMessageId.TARGET_IS_INCORRECT);			return false;		}		if (attacker.isPkProtected() && (target.getLevel() - attacker.getLevel()) >= 10 && target.getKarma() > 0			&& !(target.isInsideZone(L2Character.ZONE_BATTLE)))		{			// If target have karma and have level >= 10 than his target and actor have			// Newbie Protection Buff,			attacker.sendPacket(SystemMessageId.TARGET_IS_INCORRECT);			return false;		}		// =========================		// Cursed Weapons		// =========================		if (target.isCursedWeaponEquipped() && attacker.getLevel() <= 20)		{			attacker.sendPacket(SystemMessageId.TARGET_IS_INCORRECT);			return false;		}		if (attacker.isCursedWeaponEquipped() && target.getLevel() <= 20)		{			attacker.sendPacket(SystemMessageId.TARGET_IS_INCORRECT);			return false;		}		// =========================		// Olympiad check		// =========================		if (attacker.getOlympiadEx().isInOlympiadMode())		{			if (target.getOlympiadEx().isInOlympiadMode() && target.getOlympiadEx().isOlympiadStart()				&& attacker.getOlympiadEx().getOlympiadGameId() == target.getOlympiadEx().getOlympiadGameId())				return true;			else				return false;		}		// =========================		// Duel check		// =========================		if (attacker.isInDuel() && target.isInDuel() && (target.getDuelId() == attacker.getDuelId()))			return true; // duel can attack		// =========================		// ZONE_BATTLE / ZONE_BATTLEFIELD		// =========================		if (isInSameZone(attacker, target, L2Character.ZONE_BATTLE) || isInSameZone(attacker, target, L2Character.ZONE_BATTLEFIELD))		{			if (attacker.isInParty() && target.isInParty())			{				if (attacker.getParty() == target.getParty() || attacker.getParty().getCommandChannel() == target.getParty().getCommandChannel())					return ctrlPressed;// Same party			}			return true;		}		// =========================		// Normal field checks		// =========================		if (attacker.isInParty() && target.isInParty())		{			// same party || same command channel			if (attacker.getParty() == target.getParty() || attacker.getParty().getCommandChannel() == target.getParty().getCommandChannel())				return ctrlPressed;// Same party		}		if (attacker.getClan() != null && target.getClan() != null)		{			// =========================			// Siege handling			// =========================			if (attacker.isInSiege())			{				if (attacker.isInTempSiegeAlly(target.getActingPlayer()))				{					if (sendSysMsg && ctrlPressed)					{						if (DominionSiege.getIsInProgress())							attacker.sendPacket(SystemMessageId.YOU_CANNOT_ATTACK_A_MEMBER_OF_THE_SAME_TERRITORY);						else							attacker.sendPacket(SystemMessageId.FORCED_ATTACK_IS_IMPOSSIBLE_AGAINST_SIEGE_SIDE_TEMPORARY_ALLIED_MEMBERS);					}					return false;				}				else					return true;			}			// =========================			// Unrelated player			// =========================			if (ctrlPressed)				return true; // allow force attack			if (attacker.getClanId() == target.getClanId())				return false;			if ((attacker.getAllyId() > 0 || target.getAllyId() > 0) && (attacker.getAllyId() == target.getAllyId()))				return false;			if (attacker.getClan().isAtWarWith(target.getClanId()) && target.getClan().isAtWarWith(attacker.getClanId()) && attacker.getWantsPeace() == 0				&& target.getWantsPeace() == 0 && !attacker.isAcademyMember())				return true;		}		if (target.getPvpFlag() > 0 || target.getKarma() > 0)			return true;		return ctrlPressed;	}