001/* 002 * Trident - A Multithreaded Server Alternative 003 * Copyright 2014 The TridentSDK Team 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018package net.tridentsdk.server.data; 019 020import io.netty.buffer.ByteBuf; 021import net.tridentsdk.world.ChunkLocation; 022 023/** 024 * Builds chunk metadata required for chunk packet data sent to the player 025 * 026 * @author The TridentSDK Team 027 */ 028public class ChunkMetaBuilder implements Writable { 029 private ChunkLocation location; 030 private short bitmap; 031 032 /** 033 * Gets the chunk location 034 * 035 * @return the location of the chunk built into the metadata 036 */ 037 public ChunkLocation location() { 038 return this.location; 039 } 040 041 /** 042 * Sets the chunk meta location 043 * 044 * @param location the location to set the chunk to 045 * @return the current instance 046 */ 047 public ChunkMetaBuilder location(ChunkLocation location) { 048 this.location = location; 049 050 return this; 051 } 052 053 /** 054 * Reads the {@code short} value that maps the bits in the chunk 055 * 056 * @return the chunk bitmap 057 */ 058 public short bitmap() { 059 return this.bitmap; 060 } 061 062 /** 063 * Sets the chunk bitmap 064 * 065 * @param bitmap the {@code short} that maps the chunk data 066 * @return the current instance 067 */ 068 public ChunkMetaBuilder bitmap(short bitmap) { 069 this.bitmap = bitmap; 070 071 return this; 072 } 073 074 @Override 075 public void write(ByteBuf buf) { 076 buf.writeInt(this.location.x()); 077 buf.writeInt(this.location.z()); 078 079 buf.writeShort((int) this.bitmap); 080 } 081}