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523
src/main/java/server/MapleTrade.java
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523
src/main/java/server/MapleTrade.java
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/*
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This file is part of the OdinMS Maple Story Server
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Copyright (C) 2008 Patrick Huy <patrick.huy@frz.cc>
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Matthias Butz <matze@odinms.de>
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Jan Christian Meyer <vimes@odinms.de>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation version 3 as published by
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the Free Software Foundation. You may not use, modify or distribute
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this program under any other version of the GNU Affero General Public
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License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package server;
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import java.util.ArrayList;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.concurrent.atomic.AtomicBoolean;
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import config.YamlConfig;
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import tools.LogHelper;
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import tools.MaplePacketCreator;
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import client.MapleCharacter;
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import client.inventory.Item;
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import client.inventory.MapleInventory;
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import client.inventory.MapleInventoryType;
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import client.inventory.manipulator.MapleInventoryManipulator;
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import client.inventory.manipulator.MapleKarmaManipulator;
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import constants.game.GameConstants;
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import net.server.coordinator.world.MapleInviteCoordinator;
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import net.server.coordinator.world.MapleInviteCoordinator.InviteResult;
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import net.server.coordinator.world.MapleInviteCoordinator.InviteType;
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import net.server.coordinator.world.MapleInviteCoordinator.MapleInviteResult;
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import tools.Pair;
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/**
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*
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* @author Matze
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* @author Ronan - concurrency safety + check available slots + trade results
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*/
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public class MapleTrade {
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public enum TradeResult {
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NO_RESPONSE(1),
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PARTNER_CANCEL(2),
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SUCCESSFUL(7),
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UNSUCCESSFUL(8),
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UNSUCCESSFUL_UNIQUE_ITEM_LIMIT(9),
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UNSUCCESSFUL_ANOTHER_MAP(12),
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UNSUCCESSFUL_DAMAGED_FILES(13);
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private final int res;
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private TradeResult(int res) {
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this.res = res;
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}
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private byte getValue() {
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return (byte) res;
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}
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}
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private MapleTrade partner = null;
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private List<Item> items = new ArrayList<>();
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private List<Item> exchangeItems;
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private int meso = 0;
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private int exchangeMeso;
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private AtomicBoolean locked = new AtomicBoolean(false);
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private MapleCharacter chr;
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private byte number;
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private boolean fullTrade = false;
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public MapleTrade(byte number, MapleCharacter chr) {
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this.chr = chr;
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this.number = number;
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}
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public static int getFee(long meso) {
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long fee = 0;
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if (meso >= 100000000) {
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fee = (meso * 6) / 100;
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} else if (meso >= 25000000) {
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fee = (meso * 5) / 100;
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} else if (meso >= 10000000) {
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fee = (meso * 4) / 100;
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} else if (meso >= 5000000) {
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fee = (meso * 3) / 100;
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} else if (meso >= 1000000) {
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fee = (meso * 18) / 1000;
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} else if (meso >= 100000) {
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fee = (meso * 8) / 1000;
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}
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return (int) fee;
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}
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private void lockTrade() {
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locked.set(true);
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partner.getChr().getClient().announce(MaplePacketCreator.getTradeConfirmation());
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}
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private void fetchExchangedItems() {
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exchangeItems = partner.getItems();
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exchangeMeso = partner.getMeso();
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}
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private void completeTrade() {
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byte result;
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boolean show = YamlConfig.config.server.USE_DEBUG;
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items.clear();
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meso = 0;
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for (Item item : exchangeItems) {
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MapleKarmaManipulator.toggleKarmaFlagToUntradeable(item);
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MapleInventoryManipulator.addFromDrop(chr.getClient(), item, show);
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}
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if (exchangeMeso > 0) {
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int fee = getFee(exchangeMeso);
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chr.gainMeso(exchangeMeso - fee, show, true, show);
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if(fee > 0) {
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chr.dropMessage(1, "Transaction completed. You received " + GameConstants.numberWithCommas(exchangeMeso - fee) + " mesos due to trade fees.");
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} else {
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chr.dropMessage(1, "Transaction completed. You received " + GameConstants.numberWithCommas(exchangeMeso) + " mesos.");
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}
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result = TradeResult.NO_RESPONSE.getValue();
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} else {
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result = TradeResult.SUCCESSFUL.getValue();
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}
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exchangeMeso = 0;
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if (exchangeItems != null) {
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exchangeItems.clear();
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}
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chr.getClient().announce(MaplePacketCreator.getTradeResult(number, result));
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}
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private void cancel(byte result) {
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boolean show = YamlConfig.config.server.USE_DEBUG;
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for (Item item : items) {
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MapleInventoryManipulator.addFromDrop(chr.getClient(), item, show);
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}
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if (meso > 0) {
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chr.gainMeso(meso, show, true, show);
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}
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meso = 0;
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if (items != null) {
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items.clear();
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}
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exchangeMeso = 0;
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if (exchangeItems != null) {
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exchangeItems.clear();
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}
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chr.getClient().announce(MaplePacketCreator.getTradeResult(number, result));
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}
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private boolean isLocked() {
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return locked.get();
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}
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private int getMeso() {
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return meso;
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}
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public void setMeso(int meso) {
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if (locked.get()) {
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throw new RuntimeException("Trade is locked.");
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}
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if (meso < 0) {
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System.out.println("[Hack] " + chr.getName() + " Trying to trade < 0 mesos");
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return;
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}
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if (chr.getMeso() >= meso) {
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chr.gainMeso(-meso, false, true, false);
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this.meso += meso;
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chr.getClient().announce(MaplePacketCreator.getTradeMesoSet((byte) 0, this.meso));
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if (partner != null) {
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partner.getChr().getClient().announce(MaplePacketCreator.getTradeMesoSet((byte) 1, this.meso));
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}
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} else {
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}
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}
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public boolean addItem(Item item) {
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synchronized (items) {
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if (items.size() > 9) {
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return false;
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}
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for (Item it : items) {
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if (it.getPosition() == item.getPosition()) {
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return false;
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}
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}
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items.add(item);
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}
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return true;
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}
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public void chat(String message) {
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chr.getClient().announce(MaplePacketCreator.getTradeChat(chr, message, true));
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if (partner != null) {
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partner.getChr().getClient().announce(MaplePacketCreator.getTradeChat(chr, message, false));
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}
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}
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public MapleTrade getPartner() {
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return partner;
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}
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public void setPartner(MapleTrade partner) {
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if (locked.get()) {
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return;
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}
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this.partner = partner;
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}
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public MapleCharacter getChr() {
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return chr;
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}
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public List<Item> getItems() {
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return new LinkedList<>(items);
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}
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public int getExchangeMesos(){
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return exchangeMeso;
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}
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private boolean fitsMeso() {
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return chr.canHoldMeso(exchangeMeso - getFee(exchangeMeso));
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}
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private boolean fitsInInventory() {
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List<Pair<Item, MapleInventoryType>> tradeItems = new LinkedList<>();
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for (Item item : exchangeItems) {
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tradeItems.add(new Pair<>(item, item.getInventoryType()));
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}
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return MapleInventory.checkSpotsAndOwnership(chr, tradeItems);
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}
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private boolean fitsUniquesInInventory() {
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List<Integer> exchangeItemids = new LinkedList<>();
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for (Item item : exchangeItems) {
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exchangeItemids.add(item.getItemId());
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}
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return chr.canHoldUniques(exchangeItemids);
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}
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private synchronized boolean checkTradeCompleteHandshake(boolean updateSelf) {
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MapleTrade self, other;
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if (updateSelf) {
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self = this;
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other = this.getPartner();
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} else {
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self = this.getPartner();
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other = this;
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}
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if (self.isLocked()) {
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return false;
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}
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self.lockTrade();
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return other.isLocked();
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}
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private boolean checkCompleteHandshake() { // handshake checkout thanks to Ronan
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if (this.getChr().getId() < this.getPartner().getChr().getId()) {
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return this.checkTradeCompleteHandshake(true);
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} else {
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return this.getPartner().checkTradeCompleteHandshake(false);
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}
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}
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public static void completeTrade(MapleCharacter chr) {
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MapleTrade local = chr.getTrade();
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MapleTrade partner = local.getPartner();
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if (local.checkCompleteHandshake()) {
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local.fetchExchangedItems();
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partner.fetchExchangedItems();
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if (!local.fitsMeso()) {
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cancelTrade(local.getChr(), TradeResult.UNSUCCESSFUL);
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chr.message("There is not enough meso inventory space to complete the trade.");
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partner.getChr().message("Partner does not have enough meso inventory space to complete the trade.");
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return;
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} else if (!partner.fitsMeso()) {
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cancelTrade(partner.getChr(), TradeResult.UNSUCCESSFUL);
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chr.message("Partner does not have enough meso inventory space to complete the trade.");
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partner.getChr().message("There is not enough meso inventory space to complete the trade.");
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return;
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}
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if (!local.fitsInInventory()) {
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if (local.fitsUniquesInInventory()) {
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cancelTrade(local.getChr(), TradeResult.UNSUCCESSFUL);
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chr.message("There is not enough inventory space to complete the trade.");
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partner.getChr().message("Partner does not have enough inventory space to complete the trade.");
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} else {
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cancelTrade(local.getChr(), TradeResult.UNSUCCESSFUL_UNIQUE_ITEM_LIMIT);
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partner.getChr().message("Partner cannot hold more than one one-of-a-kind item at a time.");
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}
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return;
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} else if (!partner.fitsInInventory()) {
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if (partner.fitsUniquesInInventory()) {
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cancelTrade(partner.getChr(), TradeResult.UNSUCCESSFUL);
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chr.message("Partner does not have enough inventory space to complete the trade.");
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partner.getChr().message("There is not enough inventory space to complete the trade.");
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} else {
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cancelTrade(partner.getChr(), TradeResult.UNSUCCESSFUL_UNIQUE_ITEM_LIMIT);
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chr.message("Partner cannot hold more than one one-of-a-kind item at a time.");
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}
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return;
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}
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if (local.getChr().getLevel() < 15) {
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if (local.getChr().getMesosTraded() + local.exchangeMeso > 1000000) {
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cancelTrade(local.getChr(), TradeResult.NO_RESPONSE);
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local.getChr().getClient().announce(MaplePacketCreator.serverNotice(1, "Characters under level 15 may not trade more than 1 million mesos per day."));
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return;
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} else {
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local.getChr().addMesosTraded(local.exchangeMeso);
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}
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} else if (partner.getChr().getLevel() < 15) {
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if (partner.getChr().getMesosTraded() + partner.exchangeMeso > 1000000) {
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cancelTrade(partner.getChr(), TradeResult.NO_RESPONSE);
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partner.getChr().getClient().announce(MaplePacketCreator.serverNotice(1, "Characters under level 15 may not trade more than 1 million mesos per day."));
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return;
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} else {
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partner.getChr().addMesosTraded(partner.exchangeMeso);
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}
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}
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LogHelper.logTrade(local, partner);
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local.completeTrade();
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partner.completeTrade();
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partner.getChr().setTrade(null);
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chr.setTrade(null);
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}
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}
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private static void cancelTradeInternal(MapleCharacter chr, byte selfResult, byte partnerResult) {
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MapleTrade trade = chr.getTrade();
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if(trade == null) return;
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trade.cancel(selfResult);
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if (trade.getPartner() != null) {
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trade.getPartner().cancel(partnerResult);
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trade.getPartner().getChr().setTrade(null);
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MapleInviteCoordinator.answerInvite(InviteType.TRADE, trade.getChr().getId(), trade.getPartner().getChr().getId(), false);
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MapleInviteCoordinator.answerInvite(InviteType.TRADE, trade.getPartner().getChr().getId(), trade.getChr().getId(), false);
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}
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chr.setTrade(null);
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}
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private static byte[] tradeResultsPair(byte result) {
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byte selfResult, partnerResult;
|
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|
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if (result == TradeResult.PARTNER_CANCEL.getValue()) {
|
||||
partnerResult = result;
|
||||
selfResult = TradeResult.NO_RESPONSE.getValue();
|
||||
} else if (result == TradeResult.UNSUCCESSFUL_UNIQUE_ITEM_LIMIT.getValue()) {
|
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partnerResult = TradeResult.UNSUCCESSFUL.getValue();
|
||||
selfResult = result;
|
||||
} else {
|
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partnerResult = result;
|
||||
selfResult = result;
|
||||
}
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|
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return new byte[]{selfResult, partnerResult};
|
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}
|
||||
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private synchronized void tradeCancelHandshake(boolean updateSelf, byte result) {
|
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byte selfResult, partnerResult;
|
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MapleTrade self;
|
||||
|
||||
byte[] pairedResult = tradeResultsPair(result);
|
||||
selfResult = pairedResult[0];
|
||||
partnerResult = pairedResult[1];
|
||||
|
||||
if (updateSelf) {
|
||||
self = this;
|
||||
} else {
|
||||
self = this.getPartner();
|
||||
}
|
||||
|
||||
cancelTradeInternal(self.getChr(), selfResult, partnerResult);
|
||||
}
|
||||
|
||||
private void cancelHandshake(byte result) { // handshake checkout thanks to Ronan
|
||||
MapleTrade partner = this.getPartner();
|
||||
if (partner == null || this.getChr().getId() < partner.getChr().getId()) {
|
||||
this.tradeCancelHandshake(true, result);
|
||||
} else {
|
||||
partner.tradeCancelHandshake(false, result);
|
||||
}
|
||||
}
|
||||
|
||||
public static void cancelTrade(MapleCharacter chr, TradeResult result) {
|
||||
MapleTrade trade = chr.getTrade();
|
||||
if(trade == null) return;
|
||||
|
||||
trade.cancelHandshake(result.getValue());
|
||||
}
|
||||
|
||||
public static void startTrade(MapleCharacter chr) {
|
||||
if (chr.getTrade() == null) {
|
||||
chr.setTrade(new MapleTrade((byte) 0, chr));
|
||||
}
|
||||
}
|
||||
|
||||
private static boolean hasTradeInviteBack(MapleCharacter c1, MapleCharacter c2) {
|
||||
MapleTrade other = c2.getTrade();
|
||||
if (other != null) {
|
||||
MapleTrade otherPartner = other.getPartner();
|
||||
if (otherPartner != null) {
|
||||
if (otherPartner.getChr().getId() == c1.getId()) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
public static void inviteTrade(MapleCharacter c1, MapleCharacter c2) {
|
||||
if (MapleInviteCoordinator.hasInvite(InviteType.TRADE, c1.getId())) {
|
||||
if (hasTradeInviteBack(c1, c2)) {
|
||||
c1.message("You are already managing this player's trade invitation.");
|
||||
} else {
|
||||
c1.message("You are already managing someone's trade invitation.");
|
||||
}
|
||||
|
||||
return;
|
||||
} else if (c1.getTrade().isFullTrade()) {
|
||||
c1.message("You are already in a trade.");
|
||||
return;
|
||||
}
|
||||
|
||||
if (MapleInviteCoordinator.createInvite(InviteType.TRADE, c1, c1.getId(), c2.getId())) {
|
||||
if (c2.getTrade() == null) {
|
||||
c2.setTrade(new MapleTrade((byte) 1, c2));
|
||||
c2.getTrade().setPartner(c1.getTrade());
|
||||
c1.getTrade().setPartner(c2.getTrade());
|
||||
|
||||
c1.getClient().announce(MaplePacketCreator.getTradeStart(c1.getClient(), c1.getTrade(), (byte) 0));
|
||||
c2.getClient().announce(MaplePacketCreator.tradeInvite(c1));
|
||||
} else {
|
||||
c1.message("The other player is already trading with someone else.");
|
||||
cancelTrade(c1, TradeResult.NO_RESPONSE);
|
||||
MapleInviteCoordinator.answerInvite(InviteType.TRADE, c2.getId(), c1.getId(), false);
|
||||
}
|
||||
} else {
|
||||
c1.message("The other player is already managing someone else's trade invitation.");
|
||||
cancelTrade(c1, TradeResult.NO_RESPONSE);
|
||||
}
|
||||
}
|
||||
|
||||
public static void visitTrade(MapleCharacter c1, MapleCharacter c2) {
|
||||
MapleInviteResult inviteRes = MapleInviteCoordinator.answerInvite(InviteType.TRADE, c1.getId(), c2.getId(), true);
|
||||
|
||||
InviteResult res = inviteRes.result;
|
||||
if (res == InviteResult.ACCEPTED) {
|
||||
if (c1.getTrade() != null && c1.getTrade().getPartner() == c2.getTrade() && c2.getTrade() != null && c2.getTrade().getPartner() == c1.getTrade()) {
|
||||
c2.getClient().announce(MaplePacketCreator.getTradePartnerAdd(c1));
|
||||
c1.getClient().announce(MaplePacketCreator.getTradeStart(c1.getClient(), c1.getTrade(), (byte) 1));
|
||||
c1.getTrade().setFullTrade(true);
|
||||
c2.getTrade().setFullTrade(true);
|
||||
} else {
|
||||
c1.message("The other player has already closed the trade.");
|
||||
}
|
||||
} else {
|
||||
c1.message("This trade invitation already rescinded.");
|
||||
cancelTrade(c1, TradeResult.NO_RESPONSE);
|
||||
}
|
||||
}
|
||||
|
||||
public static void declineTrade(MapleCharacter chr) {
|
||||
MapleTrade trade = chr.getTrade();
|
||||
if (trade != null) {
|
||||
if (trade.getPartner() != null) {
|
||||
MapleCharacter other = trade.getPartner().getChr();
|
||||
if (MapleInviteCoordinator.answerInvite(InviteType.TRADE, chr.getId(), other.getId(), false).result == InviteResult.DENIED) {
|
||||
other.message(chr.getName() + " has declined your trade request.");
|
||||
}
|
||||
|
||||
other.getTrade().cancel(TradeResult.PARTNER_CANCEL.getValue());
|
||||
other.setTrade(null);
|
||||
|
||||
}
|
||||
trade.cancel(TradeResult.NO_RESPONSE.getValue());
|
||||
chr.setTrade(null);
|
||||
}
|
||||
}
|
||||
|
||||
public boolean isFullTrade() {
|
||||
return fullTrade;
|
||||
}
|
||||
|
||||
public void setFullTrade(boolean fullTrade) {
|
||||
this.fullTrade = fullTrade;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user