83 lines
2.8 KiB
Java
83 lines
2.8 KiB
Java
/*
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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 server.maps;
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import java.util.Arrays;
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import tools.data.input.ByteArrayByteStream;
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import tools.data.input.GenericSeekableLittleEndianAccessor;
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import tools.data.input.SeekableLittleEndianAccessor;
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import tools.data.output.MaplePacketLittleEndianWriter;
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public abstract class AbstractAnimatedMapleMapObject extends AbstractMapleMapObject implements AnimatedMapleMapObject {
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static {
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MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter((int) getIdleMovementDataLength());
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mplew.write(1); //movement command count
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mplew.write(0);
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mplew.writeShort(-1); //x
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mplew.writeShort(-1); //y
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mplew.writeShort(0); //xwobble
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mplew.writeShort(0); //ywobble
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mplew.writeShort(0); //fh
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mplew.write(-1); //stance
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mplew.writeShort(0); //duration
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idleMovementPacketData = mplew.getPacket();
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}
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private static final byte[] idleMovementPacketData;
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private int stance;
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@Override
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public int getStance() {
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return stance;
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}
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@Override
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public void setStance(int stance) {
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this.stance = stance;
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}
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@Override
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public boolean isFacingLeft() {
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return Math.abs(stance) % 2 == 1;
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}
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public SeekableLittleEndianAccessor getIdleMovement() {
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byte[] movementData = Arrays.copyOf(idleMovementPacketData, idleMovementPacketData.length);
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//seems wasteful to create a whole packet writer when only a few values are changed
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int x = getPosition().x;
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int y = getPosition().y;
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movementData[2] = (byte) (x & 0xFF); //x
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movementData[3] = (byte) (x >> 8 & 0xFF);
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movementData[4] = (byte) (y & 0xFF); //y
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movementData[5] = (byte) (y >> 8 & 0xFF);
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movementData[12] = (byte) (getStance() & 0xFF);
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return new GenericSeekableLittleEndianAccessor(new ByteArrayByteStream(movementData));
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}
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public static long getIdleMovementDataLength() {
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return 15;
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}
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}
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