pocketmine\level\generator\Flat::generateChunk PHP Метод

    public function generateChunk($chunkX, $chunkZ)
    {
        if ($this->chunk === null) {
            if (isset($this->options["preset"]) and $this->options["preset"] != "") {
                $this->parsePreset($this->options["preset"], $chunkX, $chunkZ);
            } else {
                $this->parsePreset($this->preset, $chunkX, $chunkZ);
            }
        }
        $chunk = clone $this->chunk;
        $chunk->setX($chunkX);
        $chunk->setZ($chunkZ);
        $this->level->setChunk($chunkX, $chunkZ, $chunk);
    }