pocketmine\level\format\anvil\Anvil::setChunk PHP Метод

    public function setChunk($chunkX, $chunkZ, FullChunk $chunk)
    {
        if (!$chunk instanceof Chunk) {
            throw new ChunkException("Invalid Chunk class");
        }
        $chunk->setProvider($this);
        self::getRegionIndex($chunkX, $chunkZ, $regionX, $regionZ);
        $this->loadRegion($regionX, $regionZ);
        $chunk->setX($chunkX);
        $chunk->setZ($chunkZ);
        $this->chunks[Level::chunkHash($chunkX, $chunkZ)] = $chunk;
    }