mirror of
https://github.com/pmmp/PocketMine-MP.git
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83 lines
2.2 KiB
PHP
83 lines
2.2 KiB
PHP
<?php
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/*
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*
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* ____ _ _ __ __ _ __ __ ____
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* | _ \ ___ ___| | _____| |_| \/ (_)_ __ ___ | \/ | _ \
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* | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
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* | __/ (_) | (__| < __/ |_| | | | | | | | __/_____| | | | __/
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* |_| \___/ \___|_|\_\___|\__|_| |_|_|_| |_|\___| |_| |_|_|
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* @author PocketMine Team
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* @link http://www.pocketmine.net/
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*
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*
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*/
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declare(strict_types=1);
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/**
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* Noise classes used in world generation
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*/
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namespace pocketmine\world\generator;
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use pocketmine\utils\Random;
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use pocketmine\utils\Utils;
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use pocketmine\world\ChunkManager;
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use function preg_match;
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abstract class Generator{
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/**
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* Converts a string world seed into an integer for use by the generator.
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*
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* @param string $seed
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*
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* @return int|null
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*/
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public static function convertSeed(string $seed) : ?int{
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if($seed === ""){ //empty seed should cause a random seed to be selected - can't use 0 here because 0 is a valid seed
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$convertedSeed = null;
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}elseif(preg_match('/^-?\d+$/', $seed) === 1){ //this avoids treating seeds like "404.4" as integer seeds
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$convertedSeed = (int) $seed;
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}else{
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$convertedSeed = Utils::javaStringHash($seed);
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}
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return $convertedSeed;
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}
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/** @var ChunkManager */
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protected $world;
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/** @var int */
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protected $seed;
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/** @var array */
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protected $options;
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/** @var Random */
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protected $random;
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/**
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* @param ChunkManager $world
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* @param int $seed
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* @param array $options
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*
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* @throws InvalidGeneratorOptionsException
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*/
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public function __construct(ChunkManager $world, int $seed, array $options = []){
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$this->world = $world;
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$this->seed = $seed;
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$this->options = $options;
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$this->random = new Random($seed);
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}
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abstract public function generateChunk(int $chunkX, int $chunkZ) : void;
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abstract public function populateChunk(int $chunkX, int $chunkZ) : void;
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}
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