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.in;
019
020import io.netty.buffer.ByteBuf;
021import net.tridentsdk.base.Position;
022import net.tridentsdk.concurrent.ScheduledRunnable;
023import net.tridentsdk.meta.block.SignMeta;
024import net.tridentsdk.registry.Registered;
025import net.tridentsdk.server.netty.ClientConnection;
026import net.tridentsdk.server.netty.Codec;
027import net.tridentsdk.server.netty.packet.InPacket;
028import net.tridentsdk.server.netty.packet.Packet;
029import net.tridentsdk.server.player.PlayerConnection;
030import net.tridentsdk.server.player.TridentPlayer;
031import net.tridentsdk.util.TridentLogger;
032
033import java.util.concurrent.atomic.AtomicInteger;
034
035/**
036 * Packet is sent when a player wishes to update a sign
037 */
038public class PacketPlayInUpdateSign extends InPacket {
039    /**
040     * Contents of the sign, represented in JSON
041     */
042    protected final String[] jsonContents = new String[4];
043    /**
044     * Location of the sign
045     */
046    protected Position signLocation;
047
048    @Override
049    public int id() {
050        return 0x2A;
051    }
052
053    @Override
054    public Packet decode(ByteBuf buf) {
055        long encoded = buf.readLong();
056        double x = (double) (encoded >> 38);
057        double y = (double) (encoded << 26 >> 52);
058        double z = (double) (encoded << 38 >> 38);
059
060        this.signLocation = Position.create(null, x, y, z);
061
062        for (int i = 0; i < 4; i++) {
063            this.jsonContents[i] = Codec.readString(buf);
064        }
065        return this;
066    }
067
068    public Position signLocation() {
069        return this.signLocation;
070    }
071
072    public String[] jsonContents() {
073        return this.jsonContents;
074    }
075
076    @Override
077    public void handleReceived(ClientConnection connection) {
078        TridentPlayer player = ((PlayerConnection) connection).player();
079        signLocation.setWorld(player.world());
080
081        Registered.tasks().asyncRepeat(null, new ScheduledRunnable() {
082            private final AtomicInteger integer = new AtomicInteger();
083
084            @Override
085            public void run() {
086                SignMeta meta = signLocation.block().obtainMeta(SignMeta.class);
087                System.out.println("Meta at " + signLocation + " is " + signLocation.block().substance());
088                integer.incrementAndGet();
089                if (meta != null) {
090                    for (int i = 0; i < 4; i++) {
091                        meta.setTextAt(i, jsonContents[i]);
092                    }
093                    cancel();
094                } else {
095                    if (integer.get() > 10) {
096                        TridentLogger.get().warn("Could not find sign at " + signLocation);
097                        cancel();
098                    }
099                }
100            }
101        }, 1L, 1L);
102    }
103}