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https://github.com/pmmp/PocketMine-MP.git
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57f3a04bc5
PHPStan will verify that these matches cover all cases, which guarantees that all cases will be covered. In addition, if PHPStan is not used, the constructors will immediately bail out when they hit a case that isn't covered. The only downside is the extra indentation :(
74 lines
1.8 KiB
PHP
74 lines
1.8 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\java;
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use pocketmine\player\GameMode;
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use pocketmine\utils\SingletonTrait;
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use function array_key_exists;
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use function spl_object_id;
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final class GameModeIdMap{
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use SingletonTrait;
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/**
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* @var GameMode[]
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* @phpstan-var array<int, GameMode>
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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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public function __construct(){
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foreach(GameMode::cases() as $case){
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$this->register(match($case){
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GameMode::SURVIVAL => 0,
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GameMode::CREATIVE => 1,
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GameMode::ADVENTURE => 2,
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GameMode::SPECTATOR => 3,
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}, $case);
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}
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}
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private function register(int $id, GameMode $type) : void{
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$this->idToEnum[$id] = $type;
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$this->enumToId[spl_object_id($type)] = $id;
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}
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public function fromId(int $id) : ?GameMode{
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return $this->idToEnum[$id] ?? null;
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}
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public function toId(GameMode $type) : int{
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$k = spl_object_id($type);
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if(!array_key_exists($k, $this->enumToId)){
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throw new \InvalidArgumentException("Game mode $type->name does not have a mapped ID"); //this should never happen
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}
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return $this->enumToId[$k];
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}
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}
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