UnlockedRecipesPacket.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\LE;
use pmmp\encoding\VarInt;
use pocketmine\network\mcpe\protocol\serializer\CommonTypes;
use function count;
 
class UnlockedRecipesPacket extends DataPacket implements ClientboundPacket{
    public const NETWORK_ID = ProtocolInfo::UNLOCKED_RECIPES_PACKET;
 
    public const TYPE_EMPTY = 0;
    public const TYPE_INITIALLY_UNLOCKED = 1;
    public const TYPE_NEWLY_UNLOCKED = 2;
    public const TYPE_REMOVE = 3;
    public const TYPE_REMOVE_ALL = 4;
 
    private int $type;
    private array $recipes;
 
    public static function create(int $type, array $recipes) : self{
        $result = new self;
        $result->type = $type;
        $result->recipes = $recipes;
        return $result;
    }
 
    public function getType() : int{ return $this->type; }
 
    public function getRecipes() : array{ return $this->recipes; }
 
    protected function decodePayload(ByteBufferReader $in) : void{
        $this->type = LE::readUnsignedInt($in);
        $this->recipes = [];
        for($i = 0, $count = VarInt::readUnsignedInt($in); $i < $count; $i++){
            $this->recipes[] = CommonTypes::getString($in);
        }
    }
 
    protected function encodePayload(ByteBufferWriter $out) : void{
        LE::writeUnsignedInt($out, $this->type);
        VarInt::writeUnsignedInt($out, count($this->recipes));
        foreach($this->recipes as $recipe){
            CommonTypes::putString($out, $recipe);
        }
    }
 
    public function handle(PacketHandlerInterface $handler) : bool{
        return $handler->handleUnlockedRecipes($this);
    }
}