MoneySystemLandとの連携額縁保護.php

<?php
    
    /**
     * @name PacketShow
     * @main PJZ9n\PacketShow\Main
     * @version 1.0.0
     * @api 3.0.0
     * @author PJZ9n
     */
    
    namespace PJZ9n\PacketShow {
        
        use metowa1227\MoneySystemLand\MoneySystemLand;
        use pocketmine\event\Listener;
        use pocketmine\event\server\DataPacketReceiveEvent;
        use pocketmine\network\mcpe\protocol\ItemFrameDropItemPacket;
        use pocketmine\plugin\PluginBase;
        
        class Main extends PluginBase implements Listener
        {
            
            /** @var MoneySystemLand */
            private $land = null;
            
            public function onEnable(): void
            {
                $this->land = $this->getServer()->getPluginManager()->getPlugin("MoneySystemLand");
                $this->getServer()->getPluginManager()->registerEvents($this, $this);
            }
            
            public function onReceive(DataPacketReceiveEvent $event): void
            {
                $player = $event->getPlayer();
                $packet = $event->getPacket();
                if (!$packet instanceof ItemFrameDropItemPacket) {
                    return;
                }
                if ($player->isOp()) {
                    $player->sendMessage("op権限あるからいいお！");
                    return;
                }
                $protected = $this->land->db->isProtected($packet->x, $packet->z, $player->getLevel()->getFolderName(),
                    $player);
                if (!$protected) {
                    //保護されていない
                    $player->sendMessage("この額縁は保護されてないぞ。");
                    return;
                }
                if (is_array($protected)) {
                    //他の人の土地
                    $event->setCancelled();
                    $player->sendMessage("この額縁は無理です！");
                    return;
                }
                //大丈夫
                $player->sendMessage("おーけー");
            }
            
        }
        
    }