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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 net.server.channel.handlers;
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import java.awt.Point;
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import java.util.ArrayList;
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import java.util.List;
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import net.AbstractMaplePacketHandler;
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import server.maps.AnimatedMapleMapObject;
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import server.movement.AbsoluteLifeMovement;
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import server.movement.ChangeEquip;
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import server.movement.JumpDownMovement;
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import server.movement.LifeMovementFragment;
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import server.movement.RelativeLifeMovement;
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import server.movement.TeleportMovement;
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import tools.data.input.LittleEndianAccessor;
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import tools.exceptions.EmptyMovementException;
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public abstract class AbstractMovementPacketHandler extends AbstractMaplePacketHandler {
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protected List<LifeMovementFragment> parseMovement(LittleEndianAccessor lea) throws EmptyMovementException {
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List<LifeMovementFragment> res = new ArrayList<>();
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byte numCommands = lea.readByte();
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if (numCommands < 1) throw new EmptyMovementException(lea);
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for (byte i = 0; i < numCommands; i++) {
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byte command = lea.readByte();
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switch (command) {
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case 0: // normal move
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case 5:
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case 17: { // Float
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short xpos = lea.readShort();
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short ypos = lea.readShort();
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short xwobble = lea.readShort();
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short ywobble = lea.readShort();
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short fh = lea.readShort();
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byte newstate = lea.readByte();
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short duration = lea.readShort();
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AbsoluteLifeMovement alm = new AbsoluteLifeMovement(command, new Point(xpos, ypos), duration, newstate);
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alm.setFh(fh);
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alm.setPixelsPerSecond(new Point(xwobble, ywobble));
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res.add(alm);
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break;
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}
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case 1:
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case 2:
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case 6: // fj
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case 12:
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case 13: // Shot-jump-back thing
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case 16: // Float
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case 18:
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case 19: // Springs on maps
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case 20: // Aran Combat Step
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case 22: {
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short xpos = lea.readShort();
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short ypos = lea.readShort();
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byte newstate = lea.readByte();
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short duration = lea.readShort();
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RelativeLifeMovement rlm = new RelativeLifeMovement(command, new Point(xpos, ypos), duration, newstate);
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res.add(rlm);
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break;
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}
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case 3:
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case 4: // tele... -.-
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case 7: // assaulter
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case 8: // assassinate
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case 9: // rush
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case 11: //chair
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{
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// case 14: {
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short xpos = lea.readShort();
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short ypos = lea.readShort();
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short xwobble = lea.readShort();
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short ywobble = lea.readShort();
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byte newstate = lea.readByte();
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TeleportMovement tm = new TeleportMovement(command, new Point(xpos, ypos), newstate);
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tm.setPixelsPerSecond(new Point(xwobble, ywobble));
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res.add(tm);
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break;
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}
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case 14:
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lea.skip(9); // jump down (?)
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break;
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case 10: // Change Equip
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res.add(new ChangeEquip(lea.readByte()));
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break;
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/*case 11: { // Chair
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short xpos = lea.readShort();
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short ypos = lea.readShort();
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short fh = lea.readShort();
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byte newstate = lea.readByte();
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short duration = lea.readShort();
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ChairMovement cm = new ChairMovement(command, new Point(xpos, ypos), duration, newstate);
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cm.setFh(fh);
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res.add(cm);
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break;
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}*/
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case 15: {
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short xpos = lea.readShort();
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short ypos = lea.readShort();
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short xwobble = lea.readShort();
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short ywobble = lea.readShort();
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short fh = lea.readShort();
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short ofh = lea.readShort();
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byte newstate = lea.readByte();
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short duration = lea.readShort();
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JumpDownMovement jdm = new JumpDownMovement(command, new Point(xpos, ypos), duration, newstate);
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jdm.setFh(fh);
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jdm.setPixelsPerSecond(new Point(xwobble, ywobble));
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jdm.setOriginFh(ofh);
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res.add(jdm);
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break;
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}
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case 21: {//Causes aran to do weird stuff when attacking o.o
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/*byte newstate = lea.readByte();
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short unk = lea.readShort();
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AranMovement am = new AranMovement(command, null, unk, newstate);
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res.add(am);*/
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lea.skip(3);
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break;
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}
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default:
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System.out.println("Unhandled Case:" + command);
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throw new EmptyMovementException(lea);
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}
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}
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if (res.isEmpty()) {
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throw new EmptyMovementException(lea);
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}
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return res;
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}
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protected void updatePosition(LittleEndianAccessor lea, AnimatedMapleMapObject target, int yOffset) throws EmptyMovementException {
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byte numCommands = lea.readByte();
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if (numCommands < 1) throw new EmptyMovementException(lea);
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for (byte i = 0; i < numCommands; i++) {
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byte command = lea.readByte();
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switch (command) {
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case 0: // normal move
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case 5:
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case 17: { // Float
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//Absolute movement - only this is important for the server, other movement can be passed to the client
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short xpos = lea.readShort(); //is signed fine here?
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short ypos = lea.readShort();
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target.setPosition(new Point(xpos, ypos + yOffset));
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lea.skip(6); //xwobble = lea.readShort(); ywobble = lea.readShort(); fh = lea.readShort();
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byte newstate = lea.readByte();
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target.setStance(newstate);
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lea.readShort(); //duration
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break;
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}
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case 1:
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case 2:
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case 6: // fj
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case 12:
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case 13: // Shot-jump-back thing
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case 16: // Float
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case 18:
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case 19: // Springs on maps
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case 20: // Aran Combat Step
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case 22: {
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//Relative movement - server only cares about stance
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lea.skip(4); //xpos = lea.readShort(); ypos = lea.readShort();
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byte newstate = lea.readByte();
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target.setStance(newstate);
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lea.readShort(); //duration
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break;
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}
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case 3:
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case 4: // tele... -.-
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case 7: // assaulter
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case 8: // assassinate
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case 9: // rush
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case 11: //chair
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{
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// case 14: {
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//Teleport movement - same as above
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lea.skip(8); //xpos = lea.readShort(); ypos = lea.readShort(); xwobble = lea.readShort(); ywobble = lea.readShort();
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byte newstate = lea.readByte();
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target.setStance(newstate);
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break;
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}
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case 14:
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lea.skip(9); // jump down (?)
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break;
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case 10: // Change Equip
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//ignored server-side
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lea.readByte();
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break;
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/*case 11: { // Chair
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short xpos = lea.readShort();
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short ypos = lea.readShort();
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short fh = lea.readShort();
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byte newstate = lea.readByte();
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short duration = lea.readShort();
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ChairMovement cm = new ChairMovement(command, new Point(xpos, ypos), duration, newstate);
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cm.setFh(fh);
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res.add(cm);
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break;
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}*/
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case 15: {
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//Jump down movement - stance only
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lea.skip(12); //short xpos = lea.readShort(); ypos = lea.readShort(); xwobble = lea.readShort(); ywobble = lea.readShort(); fh = lea.readShort(); ofh = lea.readShort();
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byte newstate = lea.readByte();
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target.setStance(newstate);
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lea.readShort(); // duration
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break;
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}
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case 21: {//Causes aran to do weird stuff when attacking o.o
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/*byte newstate = lea.readByte();
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short unk = lea.readShort();
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AranMovement am = new AranMovement(command, null, unk, newstate);
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res.add(am);*/
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lea.skip(3);
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break;
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}
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default:
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System.out.println("Unhandled Case:" + command);
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throw new EmptyMovementException(lea);
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}
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}
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}
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}
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