/**
  * Plugin is enabled by PocketMine server
  */
 public function onEnable()
 {
     self::$instance = $this;
     PluginUtils::logOnConsole(TextFormat::GREEN . "[1vs1] - Init OneVsOne plugin");
     // Get arena positions from arenas.yml
     @mkdir($this->getDataFolder());
     $this->arenaConfig = new Config($this->getDataFolder() . "config.yml", Config::YAML, array());
     $this->arenaManager = new ArenaManager();
     $this->arenaManager->init($this->arenaConfig);
     // Register events
     $this->getServer()->getPluginManager()->registerEvents(new EventsManager($this->arenaManager), $this);
     // Register commands
     $joinCommand = new JoinCommand($this, $this->arenaManager);
     $this->getServer()->getCommandMap()->register($joinCommand->commandName, $joinCommand);
     $referenceArenaCommand = new ReferenceArenaCommand($this, $this->arenaManager);
     $this->getServer()->getCommandMap()->register($referenceArenaCommand->commandName, $referenceArenaCommand);
 }
 /**
  * Add player into the queue
  */
 public function addNewPlayerToQueue(Player $newPlayer)
 {
     // Check that player is not already in the queue
     if (in_array($newPlayer, $this->queue)) {
         PluginUtils::sendDefaultMessage($newPlayer, OneVsOne::getMessage("queue_alreadyinqueue"));
         return;
     }
     // Check that player is not currently in an arena
     $currentArena = $this->getPlayerArena($newPlayer);
     if ($currentArena != null) {
         PluginUtils::sendDefaultMessage($newPlayer, OneVsOne::getMessage("arena_alreadyinarena"));
         return;
     }
     // add player to queue
     array_push($this->queue, $newPlayer);
     // display some stats
     PluginUtils::logOnConsole("[1vs1] - There is actually " . count($this->queue) . " players in the queue");
     PluginUtils::sendDefaultMessage($newPlayer, OneVsOne::getMessage("queue_join"));
     PluginUtils::sendDefaultMessage($newPlayer, OneVsOne::getMessage("queue_playersinqueue") . count($this->queue));
     $newPlayer->sendTip(OneVsOne::getMessage("queue_popup"));
     $this->launchNewRounds();
     $this->refreshSigns();
 }