main.php

<?php

    namespace StopMessagePlugin;

//Events
    use pocketmine\event\block\BlockBreakEvent;
    use pocketmine\event\block\BlockPlaceEvent;
    use pocketmine\event\entity\EntityInventoryChangeEvent;
    use pocketmine\event\player\PlayerAchievementAwardedEvent;
    use pocketmine\event\player\PlayerChatEvent;
    use pocketmine\event\player\PlayerCommandPreprocessEvent;
    use pocketmine\event\player\PlayerDeathEvent;
    use pocketmine\event\player\PlayerGameModeChangeEvent;
    use pocketmine\event\player\PlayerInteractEvent;
    use pocketmine\event\player\PlayerJoinEvent;
    use pocketmine\event\player\PlayerKickEvent;
    use pocketmine\event\player\PlayerLoginEvent;
    use pocketmine\event\player\PlayerMoveEvent;
    use pocketmine\event\player\PlayerQuitEvent;
    use pocketmine\event\server\DataPacketReceiveEvent;
//Packet
    //use pocketmine\item\Sign;
    use pocketmine\event\server\ServerCommandEvent;
    use pocketmine\level\Position;
    use pocketmine\math\Vector3;
    use pocketmine\nbt\NBT;
    use pocketmine\network\mcpe\protocol\ModalFormResponsePacket;

//Base
    use pocketmine\network\mcpe\protocol\TransferPacket;
    use pocketmine\plugin\PluginBase;
//EventUse
    use pocketmine\event\Listener;
    use pocketmine\event\Cancellable;
//Task
    use pocketmine\scheduler\PluginTask;
    use pocketmine\scheduler\Task;
    use pocketmine\scheduler;
    use StopMessagePlugin\CallbackTask;
//Server
    use pocketmine\Player;
    use pocketmine\Server;
//Utils
    use pocketmine\tile\Tile;
    use pocketmine\tile\Sign;
    use pocketmine\utils\Config;
//Command
    use pocketmine\command\command;
    use pocketmine\command\CommandSender;
    use pocketmine\command\CommandExecutor;
    use pocketmine\command\ConsoleCommandSender;
//API
    use RuinPray\ui\elements\Label;
    use RuinPray\ui\UI;
    use RuinPray\ui\elements\Input;

    class main extends PluginBase implements Listener{

        public function onEnable(){
            $this->pluginname = "StopMessagePlugin";
            $this->message_tag = "§l§d[ SYSTEM ]§r ";
            $this->getLogger()->notice($this->pluginname."が有効化されました。");
            $this->getServer()->getPluginManager()->registerEvents($this, $this);
            $this->api = $this->getServer()->getPluginManager()->getPlugin("NoJoinApi");
            if($this->api === NULL){
                $this->getLogger()->info("NoJoinApiを読み込めませんでした。");
                $this->getLogger()->info("サーバーを停止します。");
                $this->getServer()->shutdown();
            }else{
                $this->getLogger()->info("NoJoinApiを読み込みました");
            }
        }

        /*debug!!*/

        public function onServerCommand(ServerCommandEvent $event){
            $cmd = $event->getCommand();
            if($cmd == "stop"){
                $event->setCancelled();
                foreach($this->getServer()->getOnlinePlayers() as $player){
                    //$player->kick($this->message_tag."サーバーは管理者(CONSOLE)によって再起動されました。", false);
                    $packet = new TransferPacket();
                    $packet->address = "v1.asvd.net";
                    $packet->port = 19132;
                    $player->sendDataPacket($packet);
                    $this->getServer()->getScheduler()->scheduleDelayedTask(new CallbackTask([$this, "kick"], [$player]), 12.5 * 2);
                }
                $this->getServer()->getScheduler()->scheduleDelayedTask(new CallbackTask([$this, "shutdownTask"], []), 12.5 * 4);
            }else if($cmd == "stop server"){
                $event->setCancelled();
                foreach($this->getServer()->getOnlinePlayers() as $player){
                    $player->kick($this->message_tag."サーバーは管理者(CONSOLE)によってメンテナンスが開始されました。", false);
                }
                $this->api->setReason("メンテナンス中のため");
                $this->api->setMode(true);
                $this->getServer()->getScheduler()->scheduleDelayedTask(new CallbackTask([$this, "shutdownTask"], []), 12.5 * 4);
            }
        }

        public function onPlayerCommand(PlayerCommandPreprocessEvent $event){
            $player = $event->getPlayer();
            $name = $player->getName();
            $cmd = $event->getMessage();
            if($player->isOp()){
                if($cmd == "/stop"){
                    $event->setCancelled();
                    foreach($this->getServer()->getOnlinePlayers() as $player){
                        //$player->kick($this->message_tag."サーバーは管理者(".$name.")によって再起動されました。", false);
                        $packet = new TransferPacket();
                        $packet->address = "v1.asvd.net";
                        $packet->port = 19132;
                        $player->sendDataPacket($packet);
                        $this->getServer()->getScheduler()->scheduleDelayedTask(new CallbackTask([$this, "kick"], [$player]), 12.5 * 2);
                    }
                    $this->getServer()->getScheduler()->scheduleDelayedTask(new CallbackTask([$this, "shutdownTask"], []), 12.5 * 4);
                }else{
                    if($cmd == "/stop server"){
                        $event->setCancelled();
                        foreach($this->getServer()->getOnlinePlayers() as $player){
                            $player->kick($this->message_tag."サーバーは管理者(".$name.")によってメンテナンスが開始されました。", false);
                        }
                        $this->api->setReason("メンテナンス中のため");
                        $this->api->setMode(true);
                        $this->getServer()->getScheduler()->scheduleDelayedTask(new CallbackTask([$this, "shutdownTask"], []), 12.5 * 4);
                    }
                }
            }
        }

        public function shutdownTask(){
            $this->getServer()->shutdown();
        }

        public function kick(Player $player){
            $player->kick("", false);
        }
    }