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https://github.com/pmmp/PocketMine-MP.git
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279abb871d
in pretty much every case, these usages really wanted to read the tag's contents anyway, which can be combined with a getTag() and instanceof call for more concise and static analysis friendly code. In the few cases where the tag contents wasn't needed, it still wanted to check the type, which, again, can be done in a more static analysis friendly way by just using getTag() and instanceof.
102 lines
2.8 KiB
PHP
102 lines
2.8 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\block\tile;
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use pocketmine\inventory\Inventory;
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use pocketmine\item\Item;
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use pocketmine\nbt\NBT;
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use pocketmine\nbt\tag\CompoundTag;
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use pocketmine\nbt\tag\ListTag;
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use pocketmine\nbt\tag\StringTag;
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use pocketmine\world\Position;
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/**
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* This trait implements most methods in the {@link Container} interface. It should only be used by Tiles.
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*/
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trait ContainerTrait{
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/** @var string|null */
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private $lock = null;
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/**
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* @return Inventory
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*/
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abstract public function getRealInventory();
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protected function loadItems(CompoundTag $tag) : void{
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if(($inventoryTag = $tag->getTag(Container::TAG_ITEMS)) instanceof ListTag){
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$inventory = $this->getRealInventory();
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$listeners = $inventory->getListeners()->toArray();
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$inventory->getListeners()->remove(...$listeners); //prevent any events being fired by initialization
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$inventory->clearAll();
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/** @var CompoundTag $itemNBT */
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foreach($inventoryTag as $itemNBT){
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$inventory->setItem($itemNBT->getByte("Slot"), Item::nbtDeserialize($itemNBT));
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}
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$inventory->getListeners()->add(...$listeners);
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}
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if(($lockTag = $tag->getTag(Container::TAG_LOCK)) instanceof StringTag){
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$this->lock = $lockTag->getValue();
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}
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}
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protected function saveItems(CompoundTag $tag) : void{
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$items = [];
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foreach($this->getRealInventory()->getContents() as $slot => $item){
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$items[] = $item->nbtSerialize($slot);
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}
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$tag->setTag(Container::TAG_ITEMS, new ListTag($items, NBT::TAG_Compound));
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if($this->lock !== null){
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$tag->setString(Container::TAG_LOCK, $this->lock);
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}
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}
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/**
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* @see Container::canOpenWith()
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*/
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public function canOpenWith(string $key) : bool{
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return $this->lock === null or $this->lock === $key;
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}
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/**
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* @see Position::asPosition()
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*/
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abstract protected function getPos() : Position;
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/**
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* @see Tile::onBlockDestroyedHook()
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*/
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protected function onBlockDestroyedHook() : void{
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$inv = $this->getRealInventory();
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$pos = $this->getPos();
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foreach($inv->getContents() as $k => $item){
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$pos->getWorld()->dropItem($pos->add(0.5, 0.5, 0.5), $item);
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}
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$inv->clearAll();
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}
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}
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