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75 lines
2.6 KiB
PHP
75 lines
2.6 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\utils\AssumptionFailedError;
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use pocketmine\world\format\Chunk;
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use pocketmine\world\SimpleChunkManager;
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use pocketmine\world\World;
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/**
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* @internal
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*/
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final class PopulationUtils{
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private static function setOrGenerateChunk(SimpleChunkManager $manager, Generator $generator, int $chunkX, int $chunkZ, ?Chunk $chunk) : Chunk{
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$manager->setChunk($chunkX, $chunkZ, $chunk ?? new Chunk([], false));
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if($chunk === null){
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$generator->generateChunk($manager, $chunkX, $chunkZ);
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$chunk = $manager->getChunk($chunkX, $chunkZ);
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if($chunk === null){
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throw new AssumptionFailedError("We just set this chunk, so it must exist");
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}
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}
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return $chunk;
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}
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/**
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* @param Chunk[]|null[] $adjacentChunks
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* @phpstan-param array<int, Chunk|null> $adjacentChunks
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*
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* @return Chunk[]|Chunk[][]
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* @phpstan-return array{Chunk, array<int, Chunk>}
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*/
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public static function populateChunkWithAdjacents(int $minY, int $maxY, Generator $generator, int $chunkX, int $chunkZ, ?Chunk $centerChunk, array $adjacentChunks) : array{
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$manager = new SimpleChunkManager($minY, $maxY);
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self::setOrGenerateChunk($manager, $generator, $chunkX, $chunkZ, $centerChunk);
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$resultChunks = []; //this is just to keep phpstan's type inference happy
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foreach($adjacentChunks as $relativeChunkHash => $c){
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World::getXZ($relativeChunkHash, $relativeX, $relativeZ);
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$resultChunks[$relativeChunkHash] = self::setOrGenerateChunk($manager, $generator, $chunkX + $relativeX, $chunkZ + $relativeZ, $c);
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}
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$adjacentChunks = $resultChunks;
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$generator->populateChunk($manager, $chunkX, $chunkZ);
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$centerChunk = $manager->getChunk($chunkX, $chunkZ);
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if($centerChunk === null){
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throw new AssumptionFailedError("We just generated this chunk, so it must exist");
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}
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$centerChunk->setPopulated();
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return [$centerChunk, $adjacentChunks];
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}
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}
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