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82 lines
2.0 KiB
PHP
82 lines
2.0 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;
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use function array_key_exists;
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use function spl_object_id;
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/**
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* @phpstan-template TObject of object
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*/
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trait IntSaveIdMapTrait{
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/**
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* @var object[]
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* @phpstan-var array<int, TObject>
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*/
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private array $idToEnum = [];
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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 $enumToId = [];
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/**
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* @phpstan-param TObject $enum
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*/
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protected function getRuntimeId(object $enum) : int{
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//this is fine for enums and non-cloning object registries
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return spl_object_id($enum);
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}
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/**
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* @phpstan-param TObject $enum
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*/
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public function register(int $saveId, object $enum) : void{
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$this->idToEnum[$saveId] = $enum;
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$this->enumToId[$this->getRuntimeId($enum)] = $saveId;
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}
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/**
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* @phpstan-return TObject|null
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*/
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public function fromId(int $id) : ?object{
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//we might not have all the effect IDs registered
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return $this->idToEnum[$id] ?? null;
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}
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/**
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* @phpstan-param TObject $enum
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*/
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public function toId(object $enum) : int{
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$runtimeId = $this->getRuntimeId($enum);
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if(!array_key_exists($runtimeId, $this->enumToId)){
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//this should never happen, so we treat it as an exceptional condition
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throw new \InvalidArgumentException("Object does not have a mapped save ID");
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}
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return $this->enumToId[$runtimeId];
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}
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}
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