mirror of
https://github.com/pmmp/PocketMine-MP.git
synced 2025-06-07 04:17:07 +00:00
126 lines
4.6 KiB
PHP
126 lines
4.6 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\format\io;
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use pocketmine\data\bedrock\block\BlockStateDeserializeException;
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use pocketmine\data\bedrock\block\BlockStateDeserializer;
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use pocketmine\data\bedrock\block\BlockStateSerializer;
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use pocketmine\data\bedrock\block\upgrade\BlockDataUpgrader;
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use pocketmine\world\format\io\exception\CorruptedWorldException;
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use pocketmine\world\format\io\exception\UnsupportedWorldFormatException;
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use pocketmine\world\format\PalettedBlockArray;
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use pocketmine\world\WorldException;
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use function count;
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use function file_exists;
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use function implode;
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abstract class BaseWorldProvider implements WorldProvider{
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protected WorldData $worldData;
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protected BlockStateDeserializer $blockStateDeserializer;
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protected BlockDataUpgrader $blockDataUpgrader;
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protected BlockStateSerializer $blockStateSerializer;
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public function __construct(
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protected string $path,
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protected \Logger $logger
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){
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if(!file_exists($path)){
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throw new WorldException("World does not exist");
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}
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//TODO: this should not rely on singletons
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$this->blockStateDeserializer = GlobalBlockStateHandlers::getDeserializer();
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$this->blockDataUpgrader = GlobalBlockStateHandlers::getUpgrader();
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$this->blockStateSerializer = GlobalBlockStateHandlers::getSerializer();
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$this->worldData = $this->loadLevelData();
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}
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/**
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* @throws CorruptedWorldException
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* @throws UnsupportedWorldFormatException
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*/
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abstract protected function loadLevelData() : WorldData;
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private function translatePalette(PalettedBlockArray $blockArray, \Logger $logger) : PalettedBlockArray{
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//TODO: missing type info in stubs
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/** @phpstan-var list<int> $palette */
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$palette = $blockArray->getPalette();
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$newPalette = [];
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$blockDecodeErrors = [];
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foreach($palette as $k => $legacyIdMeta){
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//TODO: remember data for unknown states so we can implement them later
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$id = $legacyIdMeta >> 4;
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$meta = $legacyIdMeta & 0xf;
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try{
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$newStateData = $this->blockDataUpgrader->upgradeIntIdMeta($id, $meta);
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}catch(BlockStateDeserializeException $e){
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$blockDecodeErrors[] = "Palette offset $k / Failed to upgrade legacy ID/meta $id:$meta: " . $e->getMessage();
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$newStateData = GlobalBlockStateHandlers::getUnknownBlockStateData();
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}
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try{
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$newPalette[$k] = $this->blockStateDeserializer->deserialize($newStateData);
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}catch(BlockStateDeserializeException $e){
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//this should never happen anyway - if the upgrader returned an invalid state, we have bigger problems
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$blockDecodeErrors[] = "Palette offset $k / Failed to deserialize upgraded state $id:$meta: " . $e->getMessage();
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$newPalette[$k] = $this->blockStateDeserializer->deserialize(GlobalBlockStateHandlers::getUnknownBlockStateData());
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}
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}
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if(count($blockDecodeErrors) > 0){
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$logger->error("Errors decoding/upgrading blocks:\n - " . implode("\n - ", $blockDecodeErrors));
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}
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//TODO: this is sub-optimal since it reallocates the offset table multiple times
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return PalettedBlockArray::fromData(
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$blockArray->getBitsPerBlock(),
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$blockArray->getWordArray(),
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$newPalette
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);
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}
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protected function palettizeLegacySubChunkXZY(string $idArray, string $metaArray, \Logger $logger) : PalettedBlockArray{
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return $this->translatePalette(SubChunkConverter::convertSubChunkXZY($idArray, $metaArray), $logger);
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}
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protected function palettizeLegacySubChunkYZX(string $idArray, string $metaArray, \Logger $logger) : PalettedBlockArray{
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return $this->translatePalette(SubChunkConverter::convertSubChunkYZX($idArray, $metaArray), $logger);
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}
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protected function palettizeLegacySubChunkFromColumn(string $idArray, string $metaArray, int $yOffset, \Logger $logger) : PalettedBlockArray{
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return $this->translatePalette(SubChunkConverter::convertSubChunkFromLegacyColumn($idArray, $metaArray, $yOffset), $logger);
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}
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public function getPath() : string{
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return $this->path;
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}
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public function getWorldData() : WorldData{
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return $this->worldData;
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}
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}
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