BiomeConditionalTransformationData.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\types\biome\chunkgen;
 
use pmmp\encoding\ByteBufferReader;
use pmmp\encoding\ByteBufferWriter;
use pmmp\encoding\LE;
use pmmp\encoding\VarInt;
use function count;
 
final class BiomeConditionalTransformationData{
 
    public function __construct(
        private array $weightedBiomes,
        private int $conditionJSON,
        private int $minPassingNeighbors,
    ){}
 
    public function getWeightedBiomes() : array{ return $this->weightedBiomes; }
 
    public function getConditionJSON() : int{ return $this->conditionJSON; }
 
    public function getMinPassingNeighbors() : int{ return $this->minPassingNeighbors; }
 
    public static function read(ByteBufferReader $in) : self{
        $weightedBiomes = [];
        for($i = 0, $count = VarInt::readUnsignedInt($in); $i < $count; ++$i){
            $weightedBiomes[] = BiomeWeightedData::read($in);
        }
 
        $conditionJSON = LE::readSignedShort($in);
        $minPassingNeighbors = LE::readUnsignedInt($in);
 
        return new self(
            $weightedBiomes,
            $conditionJSON,
            $minPassingNeighbors,
        );
    }
 
    public function write(ByteBufferWriter $out) : void{
        VarInt::writeUnsignedInt($out, count($this->weightedBiomes));
        foreach($this->weightedBiomes as $biome){
            $biome->write($out);
        }
 
        LE::writeSignedShort($out, $this->conditionJSON);
        LE::writeUnsignedInt($out, $this->minPassingNeighbors);
    }
}