source
Source for my MapleSolaxiaV2 (v83 MapleStory).
This commit is contained in:
ronancpl
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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 <[email protected]>
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Matthias Butz <[email protected]>
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Jan Christian Meyer <[email protected]>
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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.BuddyList;
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import client.BuddyList.BuddyAddResult;
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import client.BuddyList.BuddyOperation;
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import static client.BuddyList.BuddyOperation.ADDED;
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import client.BuddylistEntry;
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import client.CharacterNameAndId;
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import client.MapleCharacter;
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import client.MapleClient;
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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 net.AbstractMaplePacketHandler;
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import net.server.world.World;
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import tools.DatabaseConnection;
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import tools.MaplePacketCreator;
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import tools.data.input.SeekableLittleEndianAccessor;
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public class BuddylistModifyHandler extends AbstractMaplePacketHandler {
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private static class CharacterIdNameBuddyCapacity extends CharacterNameAndId {
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private int buddyCapacity;
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public CharacterIdNameBuddyCapacity(int id, String name, int buddyCapacity) {
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super(id, name);
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this.buddyCapacity = buddyCapacity;
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}
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public int getBuddyCapacity() {
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return buddyCapacity;
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}
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}
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private void nextPendingRequest(MapleClient c) {
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CharacterNameAndId pendingBuddyRequest = c.getPlayer().getBuddylist().pollPendingRequest();
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if (pendingBuddyRequest != null) {
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c.announce(MaplePacketCreator.requestBuddylistAdd(pendingBuddyRequest.getId(), c.getPlayer().getId(), pendingBuddyRequest.getName()));
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}
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}
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private CharacterIdNameBuddyCapacity getCharacterIdAndNameFromDatabase(String name) throws SQLException {
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Connection con = DatabaseConnection.getConnection();
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CharacterIdNameBuddyCapacity ret;
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try (PreparedStatement ps = con.prepareStatement("SELECT id, name, buddyCapacity FROM characters WHERE name LIKE ?")) {
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ps.setString(1, name);
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try (ResultSet rs = ps.executeQuery()) {
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ret = null;
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if (rs.next()) {
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ret = new CharacterIdNameBuddyCapacity(rs.getInt("id"), rs.getString("name"), rs.getInt("buddyCapacity"));
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}
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}
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}
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return ret;
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}
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@Override
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public void handlePacket(SeekableLittleEndianAccessor slea, MapleClient c) {
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int mode = slea.readByte();
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MapleCharacter player = c.getPlayer();
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BuddyList buddylist = player.getBuddylist();
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if (mode == 1) { // add
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String addName = slea.readMapleAsciiString();
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String group = slea.readMapleAsciiString();
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if (group.length() > 16 || addName.length() < 4 || addName.length() > 13) {
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return; //hax.
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}
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BuddylistEntry ble = buddylist.get(addName);
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if (ble != null && !ble.isVisible() && group.equals(ble.getGroup())) {
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c.announce(MaplePacketCreator.serverNotice(1, "You already have \"" + ble.getName() + "\" on your Buddylist"));
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} else if (buddylist.isFull() && ble == null) {
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c.announce(MaplePacketCreator.serverNotice(1, "Your buddylist is already full"));
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} else if (ble == null) {
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try {
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World world = c.getWorldServer();
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CharacterIdNameBuddyCapacity charWithId;
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int channel;
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MapleCharacter otherChar = c.getChannelServer().getPlayerStorage().getCharacterByName(addName);
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if (otherChar != null) {
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channel = c.getChannel();
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charWithId = new CharacterIdNameBuddyCapacity(otherChar.getId(), otherChar.getName(), otherChar.getBuddylist().getCapacity());
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} else {
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channel = world.find(addName);
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charWithId = getCharacterIdAndNameFromDatabase(addName);
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}
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if (charWithId != null) {
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BuddyAddResult buddyAddResult = null;
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if (channel != -1) {
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buddyAddResult = world.requestBuddyAdd(addName, c.getChannel(), player.getId(), player.getName());
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} else {
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Connection con = DatabaseConnection.getConnection();
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PreparedStatement ps = con.prepareStatement("SELECT COUNT(*) as buddyCount FROM buddies WHERE characterid = ? AND pending = 0");
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ps.setInt(1, charWithId.getId());
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ResultSet rs = ps.executeQuery();
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if (!rs.next()) {
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throw new RuntimeException("Result set expected");
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} else if (rs.getInt("buddyCount") >= charWithId.getBuddyCapacity()) {
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buddyAddResult = BuddyAddResult.BUDDYLIST_FULL;
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}
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rs.close();
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ps.close();
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ps = con.prepareStatement("SELECT pending FROM buddies WHERE characterid = ? AND buddyid = ?");
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ps.setInt(1, charWithId.getId());
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ps.setInt(2, player.getId());
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rs = ps.executeQuery();
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if (rs.next()) {
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buddyAddResult = BuddyAddResult.ALREADY_ON_LIST;
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}
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rs.close();
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ps.close();
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}
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if (buddyAddResult == BuddyAddResult.BUDDYLIST_FULL) {
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c.announce(MaplePacketCreator.serverNotice(1, "\"" + addName + "\"'s Buddylist is full"));
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} else {
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int displayChannel;
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displayChannel = -1;
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int otherCid = charWithId.getId();
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if (buddyAddResult == BuddyAddResult.ALREADY_ON_LIST && channel != -1) {
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displayChannel = channel;
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notifyRemoteChannel(c, channel, otherCid, ADDED);
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} else if (buddyAddResult != BuddyAddResult.ALREADY_ON_LIST && channel == -1) {
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Connection con = DatabaseConnection.getConnection();
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try (PreparedStatement ps = con.prepareStatement("INSERT INTO buddies (characterid, `buddyid`, `pending`) VALUES (?, ?, 1)")) {
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ps.setInt(1, charWithId.getId());
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ps.setInt(2, player.getId());
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ps.executeUpdate();
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}
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}
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buddylist.put(new BuddylistEntry(charWithId.getName(), group, otherCid, displayChannel, true));
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c.announce(MaplePacketCreator.updateBuddylist(buddylist.getBuddies()));
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}
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} else {
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c.announce(MaplePacketCreator.serverNotice(1, "A character called \"" + addName + "\" does not exist"));
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}
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} catch (SQLException e) {
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}
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} else {
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ble.changeGroup(group);
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c.announce(MaplePacketCreator.updateBuddylist(buddylist.getBuddies()));
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}
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} else if (mode == 2) { // accept buddy
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int otherCid = slea.readInt();
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if (!buddylist.isFull()) {
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try {
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int channel = c.getWorldServer().find(otherCid);//worldInterface.find(otherCid);
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String otherName = null;
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MapleCharacter otherChar = c.getChannelServer().getPlayerStorage().getCharacterById(otherCid);
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if (otherChar == null) {
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Connection con = DatabaseConnection.getConnection();
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try (PreparedStatement ps = con.prepareStatement("SELECT name FROM characters WHERE id = ?")) {
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ps.setInt(1, otherCid);
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try (ResultSet rs = ps.executeQuery()) {
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if (rs.next()) {
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otherName = rs.getString("name");
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}
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}
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}
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} else {
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otherName = otherChar.getName();
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}
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if (otherName != null) {
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buddylist.put(new BuddylistEntry(otherName, "Default Group", otherCid, channel, true));
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c.announce(MaplePacketCreator.updateBuddylist(buddylist.getBuddies()));
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notifyRemoteChannel(c, channel, otherCid, ADDED);
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}
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} catch (SQLException e) {
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}
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}
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nextPendingRequest(c);
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} else if (mode == 3) { // delete
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int otherCid = slea.readInt();
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if (buddylist.containsVisible(otherCid)) {
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notifyRemoteChannel(c, c.getWorldServer().find(otherCid), otherCid, BuddyOperation.DELETED);
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}
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buddylist.remove(otherCid);
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c.announce(MaplePacketCreator.updateBuddylist(player.getBuddylist().getBuddies()));
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nextPendingRequest(c);
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}
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}
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private void notifyRemoteChannel(MapleClient c, int remoteChannel, int otherCid, BuddyOperation operation) {
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MapleCharacter player = c.getPlayer();
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if (remoteChannel != -1) {
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c.getWorldServer().buddyChanged(otherCid, player.getId(), player.getName(), c.getChannel(), operation);
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}
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}
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}
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