l2j-server-game/L2_GameServer/java/net/sf/l2j/gameserver/handler/skillhandlers/Sow.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 net.sf.l2j.gameserver.handler.skillhandlers;

import java.util.logging.Logger;

import net.sf.l2j.Config;
import net.sf.l2j.gameserver.ai.CtrlIntention;
import net.sf.l2j.gameserver.handler.ISkillHandler;
import net.sf.l2j.gameserver.model.L2Character;
import net.sf.l2j.gameserver.model.L2ItemInstance;
import net.sf.l2j.gameserver.model.L2Manor;
import net.sf.l2j.gameserver.model.L2Object;
import net.sf.l2j.gameserver.model.L2Skill;
import net.sf.l2j.gameserver.model.L2Skill.SkillType;
import net.sf.l2j.gameserver.model.actor.instance.L2MonsterInstance;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.network.SystemMessageId;
import net.sf.l2j.gameserver.network.serverpackets.ActionFailed;
import net.sf.l2j.gameserver.network.serverpackets.PlaySound;
import net.sf.l2j.gameserver.network.serverpackets.SystemMessage;
import net.sf.l2j.util.Rnd;

/**
 * @author  l3x
 */
public class Sow implements ISkillHandler {
    private static Logger _log = Logger.getLogger(Sow.class.getName());
    private static final SkillType[] SKILL_IDS = {SkillType.SOW};

    private L2PcInstance _activeChar;
    private L2MonsterInstance _target;
    private int _seedId;

    public void useSkill(L2Character activeChar, L2Skill skill, L2Object[] targets)
    {
        if (!(activeChar instanceof L2PcInstance))
            return;

        _activeChar = (L2PcInstance) activeChar;

		L2Object[] targetList = skill.getTargetList(activeChar);

        if (targetList == null) {
            return;
        }

        if (Config.DEBUG)
        {
        	_log.info("Casting sow");
        }

    	for (int index = 0; index < targetList.length; index++) {
	    	if (!(targetList[0] instanceof L2MonsterInstance))
	            continue;

	        _target = (L2MonsterInstance) targetList[0];

	        if (_target.isSeeded()) {
	        	_activeChar.sendPacket(ActionFailed.STATIC_PACKET);
	            continue;
	        }

	        if ( _target.isDead()) {
	        	_activeChar.sendPacket(ActionFailed.STATIC_PACKET);
	            continue;
	        }

	        if (_target.getSeeder() != _activeChar) {
	        	_activeChar.sendPacket(ActionFailed.STATIC_PACKET);
	            continue;
	        }

	        _seedId = _target.getSeedType();
	        if (_seedId == 0) {
	        	_activeChar.sendPacket(ActionFailed.STATIC_PACKET);
	            continue;
	        }

	        L2ItemInstance item = _activeChar.getInventory().getItemByItemId(_seedId);
	        //Consuming used seed
	    	_activeChar.destroyItem("Consume", item.getObjectId(), 1, null, false);

	    	SystemMessage sm = null;
	    	if (calcSuccess()) {
	        	_activeChar.sendPacket(new PlaySound("Itemsound.quest_itemget"));
	            _target.setSeeded();
	            sm = new SystemMessage(SystemMessageId.THE_SEED_WAS_SUCCESSFULLY_SOWN);
	        } else {
	        	sm = new SystemMessage(SystemMessageId.THE_SEED_WAS_NOT_SOWN);
			}
	    	if (_activeChar.getParty() == null) {
	    		_activeChar.sendPacket(sm);
	    	} else {
	    		_activeChar.getParty().broadcastToPartyMembers(sm);
	    	}
	        //TODO: Mob should not agro on player, this way doesn't work really nice
	        _target.getAI().setIntention(CtrlIntention.AI_INTENTION_IDLE);
    	}

    }

    private boolean calcSuccess() {
    	// TODO: check all the chances
        int basicSuccess = (L2Manor.getInstance().isAlternative(_seedId)?20:90);
		int minlevelSeed = 0;
		int maxlevelSeed = 0;
		minlevelSeed = L2Manor.getInstance().getSeedMinLevel(_seedId);
		maxlevelSeed = L2Manor.getInstance().getSeedMaxLevel(_seedId);

		int levelPlayer = _activeChar.getLevel(); // Attacker Level
		int levelTarget = _target.getLevel(); // target Level

		// seed level
		if (levelTarget < minlevelSeed)
			basicSuccess -= 5 * (minlevelSeed - levelTarget);
		if (levelTarget > maxlevelSeed)
			basicSuccess -= 5 * (levelTarget - maxlevelSeed);

		// 5% decrease in chance if player level
		// is more than +/- 5 levels to _target's_ level
		int diff = (levelPlayer - levelTarget);
        if(diff < 0)
            diff = -diff;
		if (diff > 5)
			basicSuccess -= 5 * (diff-5);

		//chance can't be less than 1%
		if (basicSuccess < 1)
			basicSuccess = 1;

		int rate = Rnd.nextInt(99);

        return (rate < basicSuccess);
    }

    public SkillType[] getSkillIds() {
        return SKILL_IDS;
    }
}