mirror of
https://github.com/pmmp/PocketMine-MP.git
synced 2025-07-11 04:17:48 +00:00
157 lines
4.2 KiB
PHP
157 lines
4.2 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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namespace pocketmine\inventory;
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use pocketmine\event\inventory\InventoryTransactionEvent;
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use pocketmine\item\Item;
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use pocketmine\Player;
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use pocketmine\Server;
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/**
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* This TransactionGroup only allows doing Transaction between one / two inventories
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*/
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class SimpleTransactionGroup implements TransactionGroup{
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private $creationTime;
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protected $hasExecuted = false;
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/** @var Player */
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protected $source = null;
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/** @var Inventory[] */
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protected $inventories = [];
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/** @var Transaction[] */
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protected $transactions = [];
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/**
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* @param Player $source
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*/
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public function __construct(Player $source = null){
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$this->creationTime = microtime(true);
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$this->source = $source;
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}
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/**
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* @return Player
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*/
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public function getSource(){
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return $this->source;
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}
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public function getCreationTime(){
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return $this->creationTime;
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}
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public function getInventories(){
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return $this->inventories;
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}
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public function getTransactions(){
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return $this->transactions;
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}
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public function addTransaction(Transaction $transaction){
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if(isset($this->transactions[spl_object_hash($transaction)])){
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return;
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}
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foreach($this->transactions as $hash => $tx){
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if($tx->getInventory() === $transaction->getInventory() and $tx->getSlot() === $transaction->getSlot()){
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if($transaction->getCreationTime() >= $tx->getCreationTime()){
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unset($this->transactions[$hash]);
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}else{
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return;
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}
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}
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}
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$this->transactions[spl_object_hash($transaction)] = $transaction;
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$this->inventories[spl_object_hash($transaction->getInventory())] = $transaction->getInventory();
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}
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/**
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* @param Item[] $needItems
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* @param Item[] $haveItems
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*/
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protected function matchItems(array &$needItems, array &$haveItems){
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foreach($this->transactions as $key => $ts){
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if($ts->getTargetItem()->getID() !== Item::AIR){
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$needItems[] = $ts->getTargetItem();
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}
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$checkSourceItem = $ts->getInventory()->getItem($ts->getSlot());
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$sourceItem = $ts->getSourceItem();
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if(!$checkSourceItem->equals($sourceItem, true) or $sourceItem->getCount() !== $checkSourceItem->getCount()){
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return false;
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}
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if($sourceItem->getID() !== Item::AIR){
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$haveItems[] = $sourceItem;
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}
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}
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foreach($needItems as $i => $needItem){
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foreach($haveItems as $j => $haveItem){
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if($needItem->equals($haveItem, true)){
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$amount = min($needItem->getCount(), $haveItem->getCount());
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$needItem->setCount($needItem->getCount() - $amount);
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$haveItem->setCount($haveItem->getCount() - $amount);
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if($haveItem->getCount() === 0){
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unset($haveItems[$j]);
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}
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if($needItem->getCount() === 0){
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unset($needItems[$i]);
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break;
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}
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}
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}
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}
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}
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public function canExecute(){
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$haveItems = [];
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$needItems = [];
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$this->matchItems($haveItems, $needItems);
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return count($haveItems) === 0 and count($needItems) === 0 and count($this->transactions) > 0;
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}
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public function execute(){
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if($this->hasExecuted() or !$this->canExecute()){
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return false;
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}
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Server::getInstance()->getPluginManager()->callEvent($ev = new InventoryTransactionEvent($this));
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if($ev->isCancelled()){
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foreach($this->inventories as $inventory){
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$inventory->sendContents($inventory->getViewers());
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}
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return false;
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}
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foreach($this->transactions as $transaction){
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$transaction->getInventory()->setItem($transaction->getSlot(), $transaction->getTargetItem(), $this->getSource());
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}
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$this->hasExecuted = true;
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return true;
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}
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public function hasExecuted(){
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return $this->hasExecuted;
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}
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} |