270 lines
7.0 KiB
Java
270 lines
7.0 KiB
Java
/*
|
|
* Copyright (C) 2004-2015 L2J Server
|
|
*
|
|
* This file is part of L2J Server.
|
|
*
|
|
* L2J Server 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.
|
|
*
|
|
* L2J Server 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.drops;
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.List;
|
|
|
|
import com.l2jserver.Config;
|
|
import com.l2jserver.gameserver.datatables.ItemTable;
|
|
import com.l2jserver.gameserver.model.actor.L2Character;
|
|
import com.l2jserver.gameserver.model.holders.ItemHolder;
|
|
import com.l2jserver.gameserver.model.itemcontainer.Inventory;
|
|
import com.l2jserver.gameserver.model.items.L2Item;
|
|
import com.l2jserver.gameserver.util.Util;
|
|
import com.l2jserver.util.Rnd;
|
|
|
|
/**
|
|
* @author NosBit
|
|
*/
|
|
public class GeneralDropItem implements IDropItem
|
|
{
|
|
private final int _itemId;
|
|
private final long _min;
|
|
private final long _max;
|
|
private final double _chance;
|
|
|
|
/**
|
|
* @param itemId the item id
|
|
* @param min the min count
|
|
* @param max the max count
|
|
* @param chance the chance of this drop item
|
|
*/
|
|
public GeneralDropItem(int itemId, long min, long max, double chance)
|
|
{
|
|
_itemId = itemId;
|
|
_min = min;
|
|
_max = max;
|
|
_chance = chance;
|
|
}
|
|
|
|
protected double getGlobalChanceMultiplier()
|
|
{
|
|
return 1.;
|
|
}
|
|
|
|
protected double getGlobalAmountMultiplier()
|
|
{
|
|
return 1.;
|
|
}
|
|
|
|
private final long getMinMax(L2Character victim, L2Character killer, long val)
|
|
{
|
|
double multiplier = 1;
|
|
|
|
// individual drop amount
|
|
Float individualDropAmountMultiplier = Config.RATE_DROP_AMOUNT_MULTIPLIER.get(getItemId());
|
|
if (individualDropAmountMultiplier != null)
|
|
{
|
|
// individual amount list multiplier
|
|
multiplier *= individualDropAmountMultiplier;
|
|
}
|
|
else
|
|
{
|
|
final L2Item item = ItemTable.getInstance().getTemplate(getItemId());
|
|
// global amount multiplier
|
|
if ((item != null) && item.hasExImmediateEffect())
|
|
{
|
|
// global herb amount multiplier
|
|
multiplier *= Config.RATE_HERB_DROP_AMOUNT_MULTIPLIER;
|
|
}
|
|
else
|
|
{
|
|
// drop type specific amount multiplier
|
|
multiplier *= getGlobalAmountMultiplier();
|
|
}
|
|
}
|
|
|
|
// global champions amount multiplier
|
|
if (victim.isChampion())
|
|
{
|
|
multiplier *= getItemId() != Inventory.ADENA_ID ? Config.L2JMOD_CHAMPION_REWARDS : Config.L2JMOD_CHAMPION_ADENAS_REWARDS;
|
|
}
|
|
|
|
return (long) (val * multiplier);
|
|
}
|
|
|
|
/**
|
|
* Gets the item id
|
|
* @return the item id
|
|
*/
|
|
public int getItemId()
|
|
{
|
|
return _itemId;
|
|
}
|
|
|
|
/**
|
|
* Gets the min drop count
|
|
* @return the min
|
|
*/
|
|
public long getMin()
|
|
{
|
|
return _min;
|
|
}
|
|
|
|
/**
|
|
* Gets the min drop count
|
|
* @param victim the victim
|
|
* @param killer the killer
|
|
* @return the min modified by any rates.
|
|
*/
|
|
public long getMin(L2Character victim, L2Character killer)
|
|
{
|
|
return getMinMax(victim, killer, getMin());
|
|
}
|
|
|
|
/**
|
|
* Gets the max drop count
|
|
* @return the max
|
|
*/
|
|
public long getMax()
|
|
{
|
|
return _max;
|
|
}
|
|
|
|
/**
|
|
* Gets the max drop count
|
|
* @param victim the victim
|
|
* @param killer the killer
|
|
* @return the max modified by any rates.
|
|
*/
|
|
public long getMax(L2Character victim, L2Character killer)
|
|
{
|
|
return getMinMax(victim, killer, getMax());
|
|
}
|
|
|
|
/**
|
|
* Gets the chance of this drop item.
|
|
* @return the chance
|
|
*/
|
|
public double getChance()
|
|
{
|
|
return _chance;
|
|
}
|
|
|
|
/**
|
|
* Gets the chance of this drop item.
|
|
* @param victim the victim
|
|
* @param killer the killer
|
|
* @return the chance modified by any rates.
|
|
*/
|
|
public double getChance(L2Character victim, L2Character killer)
|
|
{
|
|
double multiplier = 1;
|
|
|
|
// individual drop chance
|
|
Float individualDropChanceMultiplier = Config.RATE_DROP_CHANCE_MULTIPLIER.get(getItemId());
|
|
if (individualDropChanceMultiplier != null)
|
|
{
|
|
multiplier *= individualDropChanceMultiplier;
|
|
}
|
|
else
|
|
{
|
|
final L2Item item = ItemTable.getInstance().getTemplate(getItemId());
|
|
if ((item != null) && item.hasExImmediateEffect())
|
|
{
|
|
multiplier *= Config.RATE_HERB_DROP_CHANCE_MULTIPLIER;
|
|
}
|
|
else
|
|
{
|
|
multiplier *= getGlobalChanceMultiplier();
|
|
}
|
|
}
|
|
|
|
// global champions chance multiplier, there is no such option yet
|
|
// @formatter:off
|
|
/*if (victim.isChampion())
|
|
{
|
|
multiplier *= getItemId() != Inventory.ADENA_ID ? Config.L2JMOD_CHAMPION_REWARDS_CHANCE : Config.L2JMOD_CHAMPION_ADENAS_REWARDS_CHANCE;
|
|
}*/
|
|
// @formatter:on
|
|
|
|
return (getChance() * multiplier);
|
|
}
|
|
|
|
/*
|
|
* (non-Javadoc)
|
|
* @see com.l2jserver.gameserver.model.drop.IDropItem#calculateDrops(com.l2jserver.gameserver.model.actor.L2Character, com.l2jserver.gameserver.model.actor.L2Character)
|
|
*/
|
|
@Override
|
|
public List<ItemHolder> calculateDrops(L2Character victim, L2Character killer)
|
|
{
|
|
final int levelDifference = victim.getLevel() - killer.getLevel();
|
|
final double levelGapChanceToDrop;
|
|
if (getItemId() == Inventory.ADENA_ID)
|
|
{
|
|
levelGapChanceToDrop = Util.map(levelDifference, -Config.DROP_ADENA_MAX_LEVEL_DIFFERENCE, -Config.DROP_ADENA_MIN_LEVEL_DIFFERENCE, Config.DROP_ADENA_MIN_LEVEL_GAP_CHANCE, 100.0);
|
|
}
|
|
else
|
|
{
|
|
levelGapChanceToDrop = Util.map(levelDifference, -Config.DROP_ITEM_MAX_LEVEL_DIFFERENCE, -Config.DROP_ITEM_MIN_LEVEL_DIFFERENCE, Config.DROP_ITEM_MIN_LEVEL_GAP_CHANCE, 100.0);
|
|
}
|
|
|
|
// There is a chance of level gap that it wont drop this item
|
|
if (levelGapChanceToDrop < (Rnd.nextDouble() * 100))
|
|
{
|
|
return null;
|
|
}
|
|
|
|
final List<ItemHolder> items = new ArrayList<>(1);
|
|
|
|
if (Config.L2JMOD_OLD_DROP_BEHAVIOR)
|
|
{
|
|
double chance = getChance(victim, killer);
|
|
if (Config.L2JMOD_CHAMPION_ENABLE && victim.isChampion() && (getItemId() != Inventory.ADENA_ID))
|
|
{
|
|
chance *= Config.L2JMOD_CHAMPION_REWARDS;
|
|
}
|
|
|
|
long amount = 0;
|
|
|
|
if (chance > 100)
|
|
{
|
|
int chanceOveflow = (int) (chance / 100);
|
|
chance = chance % 100;
|
|
while (chanceOveflow > 0)
|
|
{
|
|
amount += Rnd.get(getMin(victim, killer), getMax(victim, killer));
|
|
chanceOveflow--;
|
|
}
|
|
}
|
|
|
|
if (chance > (Rnd.nextDouble() * 100))
|
|
{
|
|
amount += Rnd.get(getMin(victim, killer), getMax(victim, killer));
|
|
}
|
|
|
|
if (amount > 0)
|
|
{
|
|
items.add(new ItemHolder(getItemId(), amount));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (getChance(victim, killer) > (Rnd.nextDouble() * 100))
|
|
{
|
|
final long amount = Rnd.get(getMin(victim, killer), getMax(victim, killer));
|
|
items.add(new ItemHolder(getItemId(), amount));
|
|
}
|
|
}
|
|
|
|
return items;
|
|
}
|
|
}
|