mirror of
https://github.com/pmmp/PocketMine-MP.git
synced 2025-09-07 02:08:21 +00:00
ccb3c3cb05
this reduces the footprint of RuntimeBlockMapping by a further 1 MB, as well as simplifying various parts of the code, and solidifying the immutability guarantee of BlockStateData.
120 lines
3.3 KiB
PHP
120 lines
3.3 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\data\bedrock\block;
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use pocketmine\nbt\NbtException;
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use pocketmine\nbt\tag\CompoundTag;
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use pocketmine\nbt\tag\Tag;
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use pocketmine\utils\Utils;
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use function array_keys;
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use function count;
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use function implode;
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/**
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* Contains the common information found in a serialized blockstate.
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*/
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final class BlockStateData{
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/**
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* Bedrock version of the most recent backwards-incompatible change to blockstates.
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*/
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public const CURRENT_VERSION =
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(1 << 24) | //major
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(18 << 16) | //minor
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(10 << 8) | //patch
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(1); //revision
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public const TAG_NAME = "name";
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public const TAG_STATES = "states";
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public const TAG_VERSION = "version";
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/**
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* @param Tag[] $states
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* @phpstan-param array<string, Tag> $states
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*/
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public function __construct(
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private string $name,
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private array $states,
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private int $version
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){}
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public function getName() : string{ return $this->name; }
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/**
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* @return Tag[]
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* @phpstan-return array<string, Tag>
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*/
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public function getStates() : array{ return $this->states; }
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public function getState(string $name) : ?Tag{
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return $this->states[$name] ?? null;
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}
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public function getVersion() : int{ return $this->version; }
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/**
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* @throws BlockStateDeserializeException
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*/
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public static function fromNbt(CompoundTag $nbt) : self{
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try{
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$name = $nbt->getString(self::TAG_NAME);
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$states = $nbt->getCompoundTag(self::TAG_STATES) ?? throw new BlockStateDeserializeException("Missing tag \"" . self::TAG_STATES . "\"");
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$version = $nbt->getInt(self::TAG_VERSION, 0);
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}catch(NbtException $e){
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throw new BlockStateDeserializeException($e->getMessage(), 0, $e);
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}
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$allKeys = $nbt->getValue();
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unset($allKeys[self::TAG_NAME], $allKeys[self::TAG_STATES], $allKeys[self::TAG_VERSION]);
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if(count($allKeys) !== 0){
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throw new BlockStateDeserializeException("Unexpected extra keys: " . implode(", ", array_keys($allKeys)));
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}
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return new self($name, $states->getValue(), $version);
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}
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public function toNbt() : CompoundTag{
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$statesTag = CompoundTag::create();
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foreach(Utils::stringifyKeys($this->states) as $key => $value){
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$statesTag->setTag($key, $value);
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}
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return CompoundTag::create()
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->setString(self::TAG_NAME, $this->name)
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->setInt(self::TAG_VERSION, $this->version)
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->setTag(self::TAG_STATES, $statesTag);
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}
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public function equals(self $that) : bool{
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if($this->name !== $that->name || count($this->states) !== count($that->states)){
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return false;
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}
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foreach(Utils::stringifyKeys($this->states) as $k => $v){
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if(!isset($that->states[$k]) || !$that->states[$k]->equals($v)){
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return false;
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}
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}
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return true;
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}
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}
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