Java tutorial
/** * This file is part of Client, licensed under the MIT License (MIT). * * Copyright (c) 2013-2014 Spoutcraft <http://spoutcraft.org/> * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package org.spoutcraft.client.network.codec.play; import java.io.IOException; import com.flowpowered.networking.Codec; import io.netty.buffer.ByteBuf; import org.spoutcraft.client.network.message.play.ChunkDataBulkMessage; public class ChunkDataBulkCodec implements Codec<ChunkDataBulkMessage> { @Override public ChunkDataBulkMessage decode(ByteBuf buf) throws IOException { final short columnCount = buf.readShort(); final int compressedDataLength = buf.readInt(); final boolean hasSkyLight = buf.readBoolean(); final byte[] compressedData = new byte[compressedDataLength]; buf.readBytes(compressedData, 0, compressedData.length); final int[] columnXs = new int[columnCount]; final int[] columnZs = new int[columnCount]; final short[] primaryBitMaps = new short[columnCount]; final short[] additionalDataBitMaps = new short[columnCount]; for (int i = 0; i < columnCount; i++) { columnXs[i] = buf.readInt(); columnZs[i] = buf.readInt(); primaryBitMaps[i] = (short) buf.readUnsignedShort(); additionalDataBitMaps[i] = (short) buf.readUnsignedShort(); } return new ChunkDataBulkMessage(columnCount, compressedDataLength, hasSkyLight, compressedData, columnXs, columnZs, primaryBitMaps, additionalDataBitMaps); } @Override public ByteBuf encode(ByteBuf buf, ChunkDataBulkMessage message) throws IOException { throw new IOException("The client cannot send a chunk data bulk to the Minecraft server!"); } }