mirror of
https://github.com/pmmp/PocketMine-MP.git
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129 lines
3.6 KiB
PHP
129 lines
3.6 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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namespace pocketmine\world\generator;
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use pocketmine\data\bedrock\BiomeIds;
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use pocketmine\item\LegacyStringToItemParser;
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use pocketmine\item\LegacyStringToItemParserException;
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use pocketmine\world\World;
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use function array_map;
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use function explode;
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use function preg_match;
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use function preg_match_all;
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use const PHP_INT_MAX;
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/**
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* @internal
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*/
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final class FlatGeneratorOptions{
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/**
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* @param int[] $structure
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* @param mixed[] $extraOptions
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* @phpstan-param array<int, int> $structure
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* @phpstan-param array<string, array<string, string>|true> $extraOptions
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*/
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public function __construct(
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private array $structure,
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private int $biomeId,
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private array $extraOptions = []
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){}
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/**
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* @return int[]
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* @phpstan-return array<int, int>
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*/
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public function getStructure() : array{ return $this->structure; }
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public function getBiomeId() : int{ return $this->biomeId; }
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/**
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* @return mixed[]
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* @phpstan-return array<string, array<string, string>|true>
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*/
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public function getExtraOptions() : array{ return $this->extraOptions; }
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/**
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* @return int[]
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* @phpstan-return array<int, int>
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*
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* @throws InvalidGeneratorOptionsException
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*/
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public static function parseLayers(string $layers) : array{
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$result = [];
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$split = array_map('\trim', explode(',', $layers, limit: World::Y_MAX - World::Y_MIN));
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$y = 0;
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$itemParser = LegacyStringToItemParser::getInstance();
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foreach($split as $line){
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if(preg_match('#^(?:(\d+)[x|*])?(.+)$#', $line, $matches) !== 1){
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throw new InvalidGeneratorOptionsException("Invalid preset layer \"$line\"");
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}
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$cnt = $matches[1] !== "" ? (int) $matches[1] : 1;
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try{
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$b = $itemParser->parse($matches[2])->getBlock();
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}catch(LegacyStringToItemParserException $e){
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throw new InvalidGeneratorOptionsException("Invalid preset layer \"$line\": " . $e->getMessage(), 0, $e);
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}
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for($cY = $y, $y += $cnt; $cY < $y; ++$cY){
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$result[$cY] = $b->getStateId();
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}
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}
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return $result;
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}
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/**
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* @throws InvalidGeneratorOptionsException
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*/
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public static function parsePreset(string $presetString) : self{
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$preset = explode(";", $presetString, limit: 4);
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$blocks = $preset[1] ?? "";
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$biomeId = (int) ($preset[2] ?? BiomeIds::PLAINS);
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$optionsString = $preset[3] ?? "";
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$structure = self::parseLayers($blocks);
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$options = [];
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//TODO: more error checking
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preg_match_all('#(([0-9a-z_]{1,})\(?([0-9a-z_ =:]{0,})\)?),?#', $optionsString, $matches);
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foreach($matches[2] as $i => $option){
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$params = true;
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if($matches[3][$i] !== ""){
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$params = [];
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$p = explode(" ", $matches[3][$i], limit: PHP_INT_MAX);
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foreach($p as $k){
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//TODO: this should be limited to 2 parts, but 3 preserves old behaviour when given e.g. treecount=20=1
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$k = explode("=", $k, limit: 3);
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if(isset($k[1])){
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$params[$k[0]] = $k[1];
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}
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}
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}
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$options[$option] = $params;
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}
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return new self($structure, $biomeId, $options);
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}
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}
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