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https://github.com/pmmp/PocketMine-MP.git
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94 lines
3.2 KiB
PHP
94 lines
3.2 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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namespace pocketmine\network\mcpe\convert;
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use pocketmine\block\BlockFactory;
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use pocketmine\block\UnknownBlock;
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use pocketmine\data\bedrock\blockstate\BlockStateData;
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use pocketmine\data\bedrock\blockstate\BlockStateSerializeException;
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use pocketmine\data\bedrock\blockstate\BlockStateSerializer;
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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\utils\AssumptionFailedError;
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use pocketmine\utils\SingletonTrait;
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use pocketmine\utils\Utils;
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use Webmozart\PathUtil\Path;
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use function file_get_contents;
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/**
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* @internal
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*/
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final class RuntimeBlockMapping{
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use SingletonTrait;
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private BlockStateDictionary $blockStateDictionary;
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private BlockStateSerializer $blockStateSerializer;
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/**
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* @var int[]
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* @phpstan-var array<int, int>
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*/
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private array $networkIdCache = [];
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/** Used when a blockstate can't be correctly serialized (e.g. because it's unknown) */
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private BlockStateData $fallbackStateData;
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private function __construct(){
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$contents = Utils::assumeNotFalse(file_get_contents(Path::join(\pocketmine\BEDROCK_DATA_PATH, "canonical_block_states.nbt")), "Missing required resource file");
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$this->blockStateDictionary = BlockStateDictionary::loadFromString($contents);
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$this->blockStateSerializer = new BlockStateSerializer();
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$this->fallbackStateData = new BlockStateData(BlockTypeNames::INFO_UPDATE, CompoundTag::create(), BlockStateData::CURRENT_VERSION);
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}
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public function toRuntimeId(int $internalStateId) : int{
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if(isset($this->networkIdCache[$internalStateId])){
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return $this->networkIdCache[$internalStateId];
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}
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//TODO: singleton usage not ideal
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$block = BlockFactory::getInstance()->fromFullBlock($internalStateId);
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if($block instanceof UnknownBlock){
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$blockStateData = $this->fallbackStateData;
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}else{
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try{
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$blockStateData = $this->blockStateSerializer->serialize($block);
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}catch(BlockStateSerializeException $e){
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throw new AssumptionFailedError("Invalid serializer for block $block", 0, $e);
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}
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}
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$networkId = $this->blockStateDictionary->lookupStateIdFromData($blockStateData);
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if($networkId === null){
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throw new AssumptionFailedError("Unmapped blockstate returned by blockstate serializer: " . $blockStateData->toNbt());
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}
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return $this->networkIdCache[$internalStateId] = $networkId;
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}
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public function getBlockStateDictionary() : BlockStateDictionary{ return $this->blockStateDictionary; }
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public function getFallbackStateData() : BlockStateData{ return $this->fallbackStateData; }
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}
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