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.player; import java.io.IOException; import io.netty.buffer.ByteBuf; import io.netty.buffer.Unpooled; import org.spout.api.protocol.MessageCodec; import org.spout.vanilla.protocol.msg.player.PlayerHealthMessage; public final class PlayerHealthCodec extends MessageCodec<PlayerHealthMessage> { public PlayerHealthCodec() { super(PlayerHealthMessage.class, 0x08); } @Override public PlayerHealthMessage decode(ByteBuf buffer) throws IOException { float health = buffer.readFloat(); short food = buffer.readShort(); float foodSaturation = buffer.readFloat(); return new PlayerHealthMessage(health, food, foodSaturation); } @Override public ByteBuf encode(PlayerHealthMessage message) throws IOException { ByteBuf buffer = Unpooled.buffer(11); buffer.writeFloat(message.getHealth()); buffer.writeShort(message.getFood()); buffer.writeFloat(message.getFoodSaturation()); return buffer; } }