游戏

开发平台：
Java

MovePlayerHandler.java：源码内容
							/*
This file is part of the OdinMS Maple Story Server
Copyright (C) 2008 Patrick Huy <patrick.huy@frz.cc> 
Matthias Butz <matze@odinms.de>
Jan Christian Meyer <vimes@odinms.de>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License version 3
as published by the Free Software Foundation. You may not use, modify
or distribute this program under any other version of the
GNU Affero General Public License.
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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.odinms.net.channel.handler;
import java.util.List;
import net.sf.odinms.client.MapleCharacter;
import net.sf.odinms.client.MapleClient;
import net.sf.odinms.client.anticheat.CheatingOffense;
import net.sf.odinms.net.MaplePacket;
import net.sf.odinms.server.maps.FakeCharacter;
import net.sf.odinms.server.movement.AbsoluteLifeMovement;
import net.sf.odinms.server.TimerManager;
import net.sf.odinms.server.movement.LifeMovementFragment;
import net.sf.odinms.tools.MaplePacketCreator;
import net.sf.odinms.tools.data.input.SeekableLittleEndianAccessor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class MovePlayerHandler extends AbstractMovementPacketHandler {
    private static Logger log = LoggerFactory.getLogger(MovePlayerHandler.class);
    @Override
    public void handlePacket(SeekableLittleEndianAccessor slea, MapleClient c) {
        c.getPlayer().resetAfkTime();
        slea.readByte();
        slea.readInt();
        // log.trace("Movement command received: unk1 {} unk2 {}", new Object[] { unk1, unk2 });
        final List<LifeMovementFragment> res = parseMovement(slea);
        // TODO more validation of input data
        if (res != null) {
            if (slea.available() != 18) {
                return;
            }
            MapleCharacter player = c.getPlayer();
            MaplePacket packet = MaplePacketCreator.movePlayer(player.getId(), res);
            if (!player.isHidden()) {
                c.getPlayer().getMap().broadcastMessage(player, packet, false);
            } else {
                c.getPlayer().getMap().broadcastGMMessage(player, packet, false);
            }
            // c.getSession().write(MaplePacketCreator.movePlayer(30000, res));
            if (CheatingOffense.FAST_MOVE.isEnabled() || CheatingOffense.HIGH_JUMP.isEnabled()) {
                checkMovementSpeed(c.getPlayer(), res);
            }
            updatePosition(res, c.getPlayer(), 0);
            c.getPlayer().getMap().movePlayer(c.getPlayer(), c.getPlayer().getPosition());
            if (c.getPlayer().hasFakeChar()) {
                int i = 1;
                for (final FakeCharacter ch : c.getPlayer().getFakeChars()) {
                    if (ch.follow() && ch.getFakeChar().getMap() == player.getMap()) {
                        TimerManager.getInstance().schedule(new Runnable() {
                            @Override
                            public void run() {
                                ch.getFakeChar().getMap().broadcastMessage(ch.getFakeChar(), MaplePacketCreator.movePlayer(ch.getFakeChar().getId(), res), false);
                                updatePosition(res, ch.getFakeChar(), 0);
                                ch.getFakeChar().getMap().movePlayer(ch.getFakeChar(), ch.getFakeChar().getPosition());
                            }
                        }, i * 300);
                        i++;
                    }
                }
            }
        }
    }
    private static void checkMovementSpeed(MapleCharacter chr, List<LifeMovementFragment> moves) {
        // boolean wasALM = true;
        // Point oldPosition = new Point (c.getPlayer().getPosition());
        double playerSpeedMod = chr.getSpeedMod() + 0.005;
        // double playerJumpMod = c.getPlayer().getJumpMod() + 0.005;
        boolean encounteredUnk0 = false;
        for (LifeMovementFragment lmf : moves) {
            if (lmf.getClass() == AbsoluteLifeMovement.class) {
                final AbsoluteLifeMovement alm = (AbsoluteLifeMovement) lmf;
                double speedMod = Math.abs(alm.getPixelsPerSecond().x) / 125.0;
                // int distancePerSec = Math.abs(alm.getPixelsPerSecond().x);
                // double jumpMod = Math.abs(alm.getPixelsPerSecond().y) / 525.0;
                // double normalSpeed = distancePerSec / playerSpeedMod;
                // System.out.println(speedMod + "(" + playerSpeedMod + ") " + alm.getUnk());
                if (speedMod > playerSpeedMod) {
                    if (alm.getUnk() == 0) { // to prevent FJ fucking us
                        encounteredUnk0 = true;
                    }
                    if (!encounteredUnk0) {
                        if (speedMod > playerSpeedMod) {
                            chr.getCheatTracker().registerOffense(CheatingOffense.FAST_MOVE);
                        }
                    }
                }
            // if (wasALM && (oldPosition.y == newPosition.y)) {
            // int distance = Math.abs(oldPosition.x - newPosition.x);
            // if (alm.getDuration() > 60) { // short durations are strange and show too fast movement
            // double distancePerSec = (distance / (double) ((LifeMovement) move).getDuration()) * 1000.0;
            // double speedMod = distancePerSec / 125.0;
            // double normalSpeed = distancePerSec / playerSpeedMod;
            // System.out.println(speedMod + " " + normalSpeed + " " + distancePerSec + " " + distance + " "
            // + alm.getWobble());
            // }
            // }
            // oldPosition = newPosition;
            // wasALM = true;
            // } else {
            // wasALM = false;
            }
        }
    }
}

						