Pocketmine Generator for Earth and heightmap based generation.
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<?php
/**
* _____ _____ _ _ _____ ______
* / ____| | __ \ (_) | | | __ \| ____|
* | | __ ___ _ __ | |__) |_ _ _ _ __ | |_ ___ _ __| |__) | |__
* | | |_ |/ _ \ '_ \| ___/ _` | | '_ \| __/ _ \ '__| ___/| __|
* | |__| | __/ | | | | | (_| | | | | | || __/ | | | | |____
* \_____|\___|_| |_|_| \__,_|_|_| |_|\__\___|_| |_| |______|
* Pocketmine Generator for Earth and heightmap based generation.
*
* Copyright (C) Ad5001 2017
*
* @author Ad5001
* @api 3.0.0
* @copyright 2017 Ad5001
* @license NTOSL - View LICENSE.md
* @version 1.0.0
* @package PocketMine-MP (https://github.com/pmmp/PocketMine-MP)
* @subpackage GenPainterPE
*
* Modified version of PocketMine's to allow a better implementation
*/
namespace Ad5001\GenPainterPE\utils;
use pocketmine\level\generator\noise\Simplex;
use pocketmine\utils\Random;
use pocketmine\level\generator\biome\Biome;
class BiomeSelector{
/** @var Biome */
private $fallback;
/** @var Simplex */
private $temperature;
/** @var Simplex */
private $rainfall;
/** @var Biome[] */
private $biomes = [];
/** @var \SplFixedArray */
private $map = null;
/** @var callable */
private $lookup;
public function __construct(Random $random, callable $lookup, Biome $fallback){
$this->fallback = $fallback;
$this->lookup = $lookup;
$this->temperature = new Simplex($random, 2, 1 / 16, 1 / 512);
$this->rainfall = new Simplex($random, 2, 1 / 16, 1 / 512);
}
/**
* Adds a biome to the selector
*
* @param Biome $biome
* @return void
*/
public function addBiome(Biome $biome){
$this->biomes[$biome->getId()] = $biome;
}
/**
* Returns the temperature of a biome
*
* @param [type] $x
* @param [type] $z
* @return void
*/
public function getTemperature($x, $z){
return ($this->temperature->noise2D($x, $z, true) + 1) / 2;
}
/**
* Returns the rainfall of a location
*
* @param int $x
* @param int $z
* @return void
*/
public function getRainfall($x, $z){
return ($this->rainfall->noise2D($x, $z, true) + 1) / 2;
}
/**
* @param $x
* @param $z
*
* @return Biome
*/
public function pickBiome($x, $z) : Biome{
$temperature = (int) ($this->getTemperature($x, $z) * 63);
$rainfall = (int) ($this->getRainfall($x, $z) * 63);
$biomeId = call_user_func($this->lookup, $temperature / 63, $rainfall / 63);
return $this->biomes[$biomeId] ?? $this->fallback;
}
}