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.packets.play.out; 019 020import io.netty.buffer.ByteBuf; 021import net.tridentsdk.base.Substance; 022import net.tridentsdk.inventory.Item; 023import net.tridentsdk.server.data.Slot; 024import net.tridentsdk.server.netty.packet.OutPacket; 025 026public class PacketPlayOutWindowItems extends OutPacket { 027 private static final Slot EMPTY = new Slot(new Item(Substance.AIR) { 028 @Override 029 public int id() { 030 return -1; 031 } 032 }); 033 034 protected int windowId; 035 protected Slot[] slots; 036 037 @Override 038 public int id() { 039 return 0x30; 040 } 041 042 public int windowId() { 043 return this.windowId; 044 } 045 046 public Slot[] slots() { 047 return this.slots; 048 } 049 050 @Override 051 public void encode(ByteBuf buf) { 052 buf.writeByte(this.windowId); 053 buf.writeShort(this.slots.length); 054 055 for (Slot s : this.slots) { 056 if (s == null) { 057 EMPTY.write(buf); 058 continue; 059 } 060 s.write(buf); 061 } 062 } 063}