SetSpawnPositionPacket.php

<?php
 
/*
 * This file is part of BedrockProtocol.
 * Copyright (C) 2014-2022 PocketMine Team <https://github.com/pmmp/BedrockProtocol>
 *
 * BedrockProtocol 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.
 */
 
declare(strict_types=1);
 
namespace pocketmine\network\mcpe\protocol;
 
use pmmp\encoding\ByteBufferReader;
use pmmp\encoding\ByteBufferWriter;
use pmmp\encoding\VarInt;
use pocketmine\network\mcpe\protocol\serializer\CommonTypes;
use pocketmine\network\mcpe\protocol\types\BlockPosition;
use pocketmine\utils\Limits;
 
class SetSpawnPositionPacket extends DataPacket implements ClientboundPacket{
    public const NETWORK_ID = ProtocolInfo::SET_SPAWN_POSITION_PACKET;
 
    public const TYPE_PLAYER_SPAWN = 0;
    public const TYPE_WORLD_SPAWN = 1;
 
    public int $spawnType;
    public BlockPosition $spawnPosition;
    public int $dimension;
    public BlockPosition $causingBlockPosition;
 
    private static function create(int $spawnType, BlockPosition $spawnPosition, int $dimension, BlockPosition $causingBlockPosition) : self{
        $result = new self;
        $result->spawnType = $spawnType;
        $result->spawnPosition = $spawnPosition;
        $result->dimension = $dimension;
        $result->causingBlockPosition = $causingBlockPosition;
        return $result;
    }
 
    public static function playerSpawn(BlockPosition $spawnPosition, int $dimension, BlockPosition $causingBlockPosition) : self{
        return self::create(self::TYPE_PLAYER_SPAWN, $spawnPosition, $dimension, $causingBlockPosition);
    }
 
    public static function worldSpawn(BlockPosition $spawnPosition, int $dimension) : self{
        return self::create(self::TYPE_WORLD_SPAWN, $spawnPosition, $dimension, new BlockPosition(Limits::INT32_MIN, Limits::INT32_MIN, Limits::INT32_MIN));
    }
 
    protected function decodePayload(ByteBufferReader $in) : void{
        $this->spawnType = VarInt::readSignedInt($in);
        $this->spawnPosition = CommonTypes::getBlockPosition($in);
        $this->dimension = VarInt::readSignedInt($in);
        $this->causingBlockPosition = CommonTypes::getBlockPosition($in);
    }
 
    protected function encodePayload(ByteBufferWriter $out) : void{
        VarInt::writeSignedInt($out, $this->spawnType);
        CommonTypes::putBlockPosition($out, $this->spawnPosition);
        VarInt::writeSignedInt($out, $this->dimension);
        CommonTypes::putBlockPosition($out, $this->causingBlockPosition);
    }
 
    public function handle(PacketHandlerInterface $handler) : bool{
        return $handler->handleSetSpawnPosition($this);
    }
}