ForestBiome.php

<?php
 
/*
 *
 *  ____            _        _   __  __ _                  __  __ ____
 * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
 * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
 * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
 * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * @author PocketMine Team
 * @link http://www.pocketmine.net/
 *
 *
 */
 
declare(strict_types=1);
 
namespace pocketmine\world\biome;
 
use pocketmine\world\generator\object\TreeType;
use pocketmine\world\generator\populator\TallGrass;
use pocketmine\world\generator\populator\Tree;
 
class ForestBiome extends GrassyBiome{
    private TreeType $type;
 
    public function __construct(?TreeType $type = null){
        parent::__construct();
 
        $this->type = $type ?? TreeType::OAK;
 
        $trees = new Tree($type);
        $trees->setBaseAmount(5);
        $this->addPopulator($trees);
 
        $tallGrass = new TallGrass();
        $tallGrass->setBaseAmount(3);
 
        $this->addPopulator($tallGrass);
 
        $this->setElevation(63, 81);
 
        if($this->type === TreeType::BIRCH){
            $this->temperature = 0.6;
            $this->rainfall = 0.5;
        }else{
            $this->temperature = 0.7;
            $this->rainfall = 0.8;
        }
    }
 
    public function getName() : string{
        return $this->type->getDisplayName() . " Forest";
    }
}