pocketmine\level\generator\LightPopulationTask::onRun PHP Метод

    public function onRun()
    {
        /** @var FullChunk $chunk */
        $chunk = $this->chunkClass;
        $chunk = $chunk::fromFastBinary($this->chunk);
        if ($chunk === null) {
            //TODO error
            return;
        }
        $chunk->recalculateHeightMap();
        $chunk->populateSkyLight();
        $chunk->setLightPopulated();
        $this->chunk = $chunk->toFastBinary();
    }