pocketmine\level\Level::registerChunkLoader PHP Метод

    public function registerChunkLoader(ChunkLoader $loader, int $chunkX, int $chunkZ, bool $autoLoad = true)
    {
        $hash = $loader->getLoaderId();
        if (!isset($this->chunkLoaders[$index = Level::chunkHash($chunkX, $chunkZ)])) {
            $this->chunkLoaders[$index] = [];
            $this->playerLoaders[$index] = [];
        } elseif (isset($this->chunkLoaders[$index][$hash])) {
            return;
        }
        $this->chunkLoaders[$index][$hash] = $loader;
        if ($loader instanceof Player) {
            $this->playerLoaders[$index][$hash] = $loader;
        }
        if (!isset($this->loaders[$hash])) {
            $this->loaderCounter[$hash] = 1;
            $this->loaders[$hash] = $loader;
        } else {
            ++$this->loaderCounter[$hash];
        }
        $this->cancelUnloadChunkRequest($chunkX, $chunkZ);
        if ($autoLoad) {
            $this->loadChunk($chunkX, $chunkZ);
        }
    }