Java tutorial
/* * 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 java.util.List; 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.api.util.Parameter; import org.spout.vanilla.protocol.VanillaByteBufUtils; import org.spout.vanilla.protocol.msg.entity.spawn.EntityMobMessage; public final class EntityMobCodec extends MessageCodec<EntityMobMessage> { public EntityMobCodec() { super(EntityMobMessage.class, 0x18); } @Override public EntityMobMessage decode(ByteBuf buffer) throws IOException { int id = buffer.readInt(); int type = buffer.readUnsignedByte(); int x = buffer.readInt(); int y = buffer.readInt(); int z = buffer.readInt(); int yaw = buffer.readUnsignedByte(); int pitch = buffer.readUnsignedByte(); int headYaw = buffer.readUnsignedByte(); short velocityZ = buffer.readShort(); short velocityX = buffer.readShort(); short velocityY = buffer.readShort(); List<Parameter<?>> parameters = VanillaByteBufUtils.readParameters(buffer); return new EntityMobMessage(id, type, x, y, z, yaw, pitch, headYaw, velocityZ, velocityX, velocityY, parameters, NullRepositionManager.getInstance()); } @Override public ByteBuf encode(EntityMobMessage message) throws IOException { ByteBuf buffer = Unpooled.buffer(); 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()); buffer.writeByte(message.getHeadYaw()); buffer.writeShort(message.getVelocityZ()); buffer.writeShort(message.getVelocityX()); buffer.writeShort(message.getVelocityY()); VanillaByteBufUtils.writeParameters(buffer, message.getParameters()); return buffer; } }