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https://github.com/pmmp/PocketMine-MP.git
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102 lines
3.5 KiB
PHP
102 lines
3.5 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\blockstate\BlockStateData;
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use pocketmine\data\bedrock\blockstate\BlockTypeNames;
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use pocketmine\nbt\tag\CompoundTag;
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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 file_exists;
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abstract class BaseWorldProvider implements WorldProvider{
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/** @var string */
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protected $path;
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/** @var WorldData */
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protected $worldData;
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public function __construct(string $path){
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if(!file_exists($path)){
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throw new WorldException("World does not exist");
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}
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$this->path = $path;
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$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 $blockArray) : PalettedBlockArray{
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$palette = $blockArray->getPalette();
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//TODO: this should be dependency-injected so it can be replaced, but that would break BC
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//also, we want it to be lazy-loaded ...
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$legacyBlockStateMapper = GlobalBlockStateHandlers::getLegacyBlockStateMapper();
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$blockStateDeserializer = GlobalBlockStateHandlers::getDeserializer();
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$newPalette = [];
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foreach($palette as $k => $legacyIdMeta){
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$newStateData = $legacyBlockStateMapper->fromIntIdMeta($legacyIdMeta >> 4, $legacyIdMeta & 0xf);
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if($newStateData === null){
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//TODO: remember data for unknown states so we can implement them later
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$newStateData = new BlockStateData(BlockTypeNames::INFO_UPDATE, CompoundTag::create(), BlockStateData::CURRENT_VERSION);
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}
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$newPalette[$k] = $blockStateDeserializer->deserialize($newStateData);
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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) : PalettedBlockArray{
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return $this->translatePalette(SubChunkConverter::convertSubChunkXZY($idArray, $metaArray));
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}
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protected function palettizeLegacySubChunkYZX(string $idArray, string $metaArray) : PalettedBlockArray{
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return $this->translatePalette(SubChunkConverter::convertSubChunkYZX($idArray, $metaArray));
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}
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protected function palettizeLegacySubChunkFromColumn(string $idArray, string $metaArray, int $yOffset) : PalettedBlockArray{
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return $this->translatePalette(SubChunkConverter::convertSubChunkFromLegacyColumn($idArray, $metaArray, $yOffset));
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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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