pocketmine\level\generator\normal\biome\RiverBiome::__construct PHP Метод

    public function __construct()
    {
        parent::__construct();
        $sugarcane = new Sugarcane();
        $sugarcane->setBaseAmount(6);
        $tallGrass = new TallGrass();
        $tallGrass->setBaseAmount(5);
        $this->addPopulator($sugarcane);
        $this->addPopulator($tallGrass);
        $this->setElevation(58, 62);
        $this->temperature = 0.5;
        $this->rainfall = 0.7;
    }