MapInfoRequestPacketClientPixel.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;
 
use pmmp\encoding\ByteBufferReader;
use pmmp\encoding\ByteBufferWriter;
use pmmp\encoding\LE;
use pocketmine\color\Color;
use function intdiv;
 
final class MapInfoRequestPacketClientPixel{
 
    private const Y_INDEX_MULTIPLIER = 128;
 
    public function __construct(
        public Color $color,
        public int $x,
        public int $y
    ){}
 
    public function getColor() : Color{ return $this->color; }
 
    public function getX() : int{ return $this->x; }
 
    public function getY() : int{ return $this->y; }
 
    public static function read(ByteBufferReader $in) : self{
        $color = LE::readUnsignedInt($in);
        $index = LE::readUnsignedShort($in);
 
        $x = $index % self::Y_INDEX_MULTIPLIER;
        $y = intdiv($index, self::Y_INDEX_MULTIPLIER);
 
        return new self(Color::fromRGBA($color), $x, $y);
    }
 
    public function write(ByteBufferWriter $out) : void{
        LE::writeUnsignedInt($out, $this->color->toRGBA());
        LE::writeUnsignedShort($out, $this->x + ($this->y * self::Y_INDEX_MULTIPLIER));
    }
}