org.spout.vanilla.protocol.codec.world.SoundEffectCodec.java Source code

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Here is the source code for org.spout.vanilla.protocol.codec.world.SoundEffectCodec.java

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/*
 * This file is part of Vanilla.
 *
 * Copyright (c) 2011 Spout LLC <http://www.spout.org/>
 * Vanilla is licensed under the Spout License Version 1.
 *
 * Vanilla is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option)
 * any later version.
 *
 * In addition, 180 days after any changes are published, you can use the
 * software, incorporating those changes, under the terms of the MIT license,
 * as described in the Spout License Version 1.
 *
 * Vanilla 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 Lesser General Public License for
 * more details.
 *
 * You should have received a copy of the GNU Lesser General Public License,
 * the MIT license and the Spout License Version 1 along with this program.
 * If not, see <http://www.gnu.org/licenses/> for the GNU Lesser General Public
 * License and see <http://spout.in/licensev1> for the full license, including
 * the MIT license.
 */
package org.spout.vanilla.protocol.codec.world;

import java.io.IOException;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;

import org.spout.api.protocol.MessageCodec;
import org.spout.api.protocol.reposition.NullRepositionManager;

import org.spout.vanilla.protocol.VanillaByteBufUtils;
import org.spout.vanilla.protocol.msg.world.SoundEffectMessage;

public final class SoundEffectCodec extends MessageCodec<SoundEffectMessage> {
    public SoundEffectCodec() {
        super(SoundEffectMessage.class, 0x3e);
    }

    /*
     * Note to the people that like to move the mathematics involved:
     * THIS IS PART OF ENCODING AND DECODING
     * This task is not part of the one actually wishing to send or handle a message.
     * So don't move this component. Thank you.
     */

    @Override
    public SoundEffectMessage decode(ByteBuf buffer) throws IOException {
        String soundName = VanillaByteBufUtils.readString(buffer);
        float x = (float) buffer.readInt() / 8.0f;
        float y = (float) buffer.readInt() / 8.0f;
        float z = (float) buffer.readInt() / 8.0f;
        float volume = buffer.readFloat();
        float pitch = 63f / (float) buffer.readUnsignedByte();
        return new SoundEffectMessage(soundName, x, y, z, volume, pitch, NullRepositionManager.getInstance());
    }

    @Override
    public ByteBuf encode(SoundEffectMessage message) throws IOException {
        ByteBuf buffer = Unpooled.buffer();
        VanillaByteBufUtils.writeString(buffer, message.getSoundName());
        buffer.writeInt((int) (message.getX() * 8.0f));
        buffer.writeInt((int) (message.getY() * 8.0f));
        buffer.writeInt((int) (message.getZ() * 8.0f));
        buffer.writeFloat(message.getVolume());
        buffer.writeByte((byte) (message.getPitch() * 63f));
        return buffer;
    }
}