/*
* 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.entity.spawn;
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.msg.entity.spawn.EntityObjectMessage;
public final class EntitySpawnObjectCodec extends MessageCodec<EntityObjectMessage> {
public EntitySpawnObjectCodec() {
super(EntityObjectMessage.class, 0x17);
}
@Override
public EntityObjectMessage decode(ByteBuf buffer) throws IOException {
//TODO: There's 2 new bytes. Currently unknown according to wiki.vg 17/12/2012
int entityId = buffer.readInt();
byte type = buffer.readByte();
int x = buffer.readInt();
int y = buffer.readInt();
int z = buffer.readInt();
byte yaw = buffer.readByte();
byte pitch = buffer.readByte();
int throwerId = buffer.readInt();
if (throwerId > 0) {
short speedX = buffer.readShort();
short speedY = buffer.readShort();
short speedZ = buffer.readShort();
return new EntityObjectMessage(entityId, type, x, y, z, throwerId, speedX, speedY, speedZ, yaw, pitch, NullRepositionManager.getInstance());
}
return new EntityObjectMessage(entityId, type, x, y, z, throwerId, yaw, pitch, NullRepositionManager.getInstance());
}
@Override
public ByteBuf encode(EntityObjectMessage message) throws IOException {
ByteBuf buffer = Unpooled.buffer(message.getThrowerId() > 0 ? 29 : 23);
buffer.writeInt(message.getEntityId());
buffer.writeByte(message.getType());
buffer.writeInt(message.getX());
buffer.writeInt(message.getY());
buffer.writeInt(message.getZ());
buffer.writeByte(message.getYaw());
buffer.writeByte(message.getPitch());
int throwerId = message.getThrowerId();
buffer.writeInt(throwerId);
if (throwerId > 0) {
buffer.writeShort(message.getSpeedX());
buffer.writeShort(message.getSpeedY());
buffer.writeShort(message.getSpeedZ());
}
return buffer;
}
}