/*
 * 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.skills.funcs.formulas;

import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
import com.l2jserver.gameserver.model.itemcontainer.Inventory;
import com.l2jserver.gameserver.model.items.L2Item;
import com.l2jserver.gameserver.model.items.instance.L2ItemInstance;
import com.l2jserver.gameserver.model.skills.funcs.Func;
import com.l2jserver.gameserver.model.stats.Env;
import com.l2jserver.gameserver.model.stats.Stats;

/**
 * @author UnAfraid
 *
 */
public class FuncPDefMod extends Func
{
	private static final FuncPDefMod _fmm_instance = new FuncPDefMod();
	
	public static Func getInstance()
	{
		return _fmm_instance;
	}
	
	private FuncPDefMod()
	{
		super(Stats.POWER_DEFENCE, 0x20, null);
	}
	
	@Override
	public void calc(Env env)
	{
		if (env.getCharacter() instanceof L2PcInstance)
		{
			L2PcInstance p = env.getPlayer();
			boolean hasMagePDef = (p.getClassId().isMage() || (p.getClassId().getId() == 0x31)); // orc mystics are a special case
			if (p.getInventory().getPaperdollItem(Inventory.PAPERDOLL_HEAD) != null)
			{
				env.subValue(12);
			}
			L2ItemInstance chest = p.getInventory().getPaperdollItem(Inventory.PAPERDOLL_CHEST);
			if (chest != null)
			{
				env.subValue(hasMagePDef ? 15 : 31);
			}
			if ((p.getInventory().getPaperdollItem(Inventory.PAPERDOLL_LEGS) != null) || ((chest != null) && (chest.getItem().getBodyPart() == L2Item.SLOT_FULL_ARMOR)))
			{
				env.subValue(hasMagePDef ? 8 : 18);
			}
			if (p.getInventory().getPaperdollItem(Inventory.PAPERDOLL_GLOVES) != null)
			{
				env.subValue(8);
			}
			if (p.getInventory().getPaperdollItem(Inventory.PAPERDOLL_FEET) != null)
			{
				env.subValue(7);
			}
			env.mulValue(env.getPlayer().getLevelMod());
		}
		else
		{
			float level = env.getCharacter().getLevel();
			env.mulValue((level + 89) / 100);
		}
	}
}