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279
src/main/java/net/server/channel/handlers/CouponCodeHandler.java
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279
src/main/java/net/server/channel/handlers/CouponCodeHandler.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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Copyleft (L) 2016 - 2019 RonanLana (HeavenMS)
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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 net.server.channel.handlers;
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import client.MapleClient;
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import client.MapleCharacter;
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import client.inventory.Item;
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import client.inventory.manipulator.MapleInventoryManipulator;
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import java.sql.Connection;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Map;
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import java.util.Map.Entry;
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import net.AbstractMaplePacketHandler;
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import net.server.Server;
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import server.CashShop;
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import server.MapleItemInformationProvider;
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import tools.DatabaseConnection;
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import tools.FilePrinter;
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import tools.MaplePacketCreator;
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import tools.Pair;
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import tools.data.input.SeekableLittleEndianAccessor;
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/**
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*
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* @author Penguins (Acrylic)
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* @author Ronan (HeavenMS)
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*/
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public final class CouponCodeHandler extends AbstractMaplePacketHandler {
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private static List<Pair<Integer, Pair<Integer, Integer>>> getNXCodeItems(MapleCharacter chr, Connection con, int codeid) throws SQLException {
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Map<Integer, Integer> couponItems = new HashMap<>();
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Map<Integer, Integer> couponPoints = new HashMap<>(5);
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PreparedStatement ps = con.prepareStatement("SELECT * FROM nxcode_items WHERE codeid = ?");
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ps.setInt(1, codeid);
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ResultSet rs = ps.executeQuery();
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while (rs.next()) {
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int type = rs.getInt("type"), quantity = rs.getInt("quantity");
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if (type < 5) {
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Integer i = couponPoints.get(type);
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if (i != null) {
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couponPoints.put(type, i + quantity);
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} else {
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couponPoints.put(type, quantity);
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}
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} else {
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int item = rs.getInt("item");
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Integer i = couponItems.get(item);
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if (i != null) {
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couponItems.put(item, i + quantity);
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} else {
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couponItems.put(item, quantity);
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}
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}
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}
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rs.close();
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ps.close();
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List<Pair<Integer, Pair<Integer, Integer>>> ret = new LinkedList<>();
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if (!couponItems.isEmpty()) {
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for (Entry<Integer, Integer> e : couponItems.entrySet()) {
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int item = e.getKey(), qty = e.getValue();
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if (MapleItemInformationProvider.getInstance().getName(item) == null) {
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item = 4000000;
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qty = 1;
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FilePrinter.printError(FilePrinter.UNHANDLED_EVENT, "Error trying to redeem itemid " + item + " from codeid " + codeid + ".");
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}
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if (!chr.canHold(item, qty)) {
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return null;
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}
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ret.add(new Pair<>(5, new Pair<>(item, qty)));
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}
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}
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if (!couponPoints.isEmpty()) {
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for (Entry<Integer, Integer> e : couponPoints.entrySet()) {
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ret.add(new Pair<>(e.getKey(), new Pair<>(777, e.getValue())));
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}
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}
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return ret;
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}
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private static Pair<Integer, List<Pair<Integer, Pair<Integer, Integer>>>> getNXCodeResult(MapleCharacter chr, String code) {
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MapleClient c = chr.getClient();
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List<Pair<Integer, Pair<Integer, Integer>>> ret = new LinkedList<>();
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try {
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if (!c.attemptCsCoupon()) {
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return new Pair<>(-5, null);
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}
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Connection con = DatabaseConnection.getConnection();
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PreparedStatement ps = con.prepareStatement("SELECT * FROM nxcode WHERE code = ?");
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ps.setString(1, code);
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ResultSet rs = ps.executeQuery();
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if (!rs.next()) {
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return new Pair<>(-1, null);
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}
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if (rs.getString("retriever") != null) {
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return new Pair<>(-2, null);
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}
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if (rs.getLong("expiration") < Server.getInstance().getCurrentTime()) {
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return new Pair<>(-3, null);
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}
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int codeid = rs.getInt("id");
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rs.close();
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ps.close();
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ret = getNXCodeItems(chr, con, codeid);
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if (ret == null) {
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return new Pair<>(-4, null);
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}
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ps = con.prepareStatement("UPDATE nxcode SET retriever = ? WHERE code = ?");
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ps.setString(1, chr.getName());
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ps.setString(2, code);
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ps.executeUpdate();
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ps.close();
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con.close();
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} catch (SQLException ex) {
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ex.printStackTrace();
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}
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c.resetCsCoupon();
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return new Pair<>(0, ret);
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}
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private static int parseCouponResult(int res) {
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switch (res) {
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case -1:
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return 0xB0;
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case -2:
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return 0xB3;
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case -3:
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return 0xB2;
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case -4:
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return 0xBB;
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default:
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return 0xB1;
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}
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}
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@Override
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public final void handlePacket(SeekableLittleEndianAccessor slea, MapleClient c) {
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slea.skip(2);
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String code = slea.readMapleAsciiString();
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if (c.tryacquireClient()) {
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try {
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Pair<Integer, List<Pair<Integer, Pair<Integer, Integer>>>> codeRes = getNXCodeResult(c.getPlayer(), code.toUpperCase());
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int type = codeRes.getLeft();
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if (type < 0) {
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c.announce(MaplePacketCreator.showCashShopMessage((byte) parseCouponResult(type)));
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} else {
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List<Item> cashItems = new LinkedList<Item>();
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List<Pair<Integer, Integer>> items = new LinkedList<Pair<Integer, Integer>>();
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int nxCredit = 0;
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int maplePoints = 0;
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int nxPrepaid = 0;
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int mesos = 0;
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for (Pair<Integer, Pair<Integer, Integer>> p : codeRes.getRight()) {
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type = p.getLeft();
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int quantity = p.getRight().getRight();
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CashShop cs = c.getPlayer().getCashShop();
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switch (type) {
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case 0:
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c.getPlayer().gainMeso(quantity, false); //mesos
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mesos += quantity;
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break;
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case 4:
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cs.gainCash(1, quantity); //nxCredit
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nxCredit += quantity;
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break;
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case 1:
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cs.gainCash(2, quantity); //maplePoint
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maplePoints += quantity;
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break;
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case 2:
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cs.gainCash(4, quantity); //nxPrepaid
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nxPrepaid += quantity;
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break;
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case 3:
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cs.gainCash(1, quantity);
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nxCredit += quantity;
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cs.gainCash(4, (quantity / 5000));
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nxPrepaid += quantity / 5000;
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break;
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default:
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int item = p.getRight().getLeft();
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short qty;
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if (quantity > Short.MAX_VALUE) {
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qty = Short.MAX_VALUE;
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} else if (quantity < Short.MIN_VALUE) {
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qty = Short.MIN_VALUE;
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} else {
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qty = (short) quantity;
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}
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if (MapleItemInformationProvider.getInstance().isCash(item)) {
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Item it = CashShop.generateCouponItem(item, qty);
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cs.addToInventory(it);
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cashItems.add(it);
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} else {
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MapleInventoryManipulator.addById(c, item, qty, "", -1);
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items.add(new Pair<Integer, Integer>((int)qty, item));
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}
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break;
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}
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}
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if(cashItems.size() > 255) {
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List<Item> oldList = cashItems;
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cashItems = Arrays.asList(new Item[255]);
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int index = 0;
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for(Item item : oldList) {
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cashItems.set(index, item);
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index++;
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}
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}
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if (nxCredit != 0 || nxPrepaid != 0) { //coupon packet can only show maple points (afaik)
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c.announce(MaplePacketCreator.showBoughtQuestItem(0));
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} else {
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c.announce(MaplePacketCreator.showCouponRedeemedItems(c.getAccID(), maplePoints, mesos, cashItems, items));
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}
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c.enableCSActions();
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}
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} finally {
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c.releaseClient();
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}
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}
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}
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}
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