pocketmine\event\player\PlayerCreationEvent::setPlayerClass PHP Метод

    public function setPlayerClass($class)
    {
        if (!is_a($class, $this->baseClass, true)) {
            throw new \RuntimeException("Class {$class} must extend " . $this->baseClass);
        }
        $this->playerClass = $class;
    }

 public function onPlayerCreation(PlayerCreationEvent $event)
 {
     $event->setPlayerClass(TreadFarmlandPlayer::class);
 }