MadSwing save tạm bợ

<?php

namespace Tungsten\MadSwing\chair;

use pocketmine\entity\Human;

use pocketmine\level\Level;
use pocketmine\nbt\tag\CompoundTag;

class Chair extends Human{
    /** @var Entity $player */
    public $player = "";
    public $timer = 10;
    public function __construct(Level $level,CompoundTag $nbt){
        parent::__construct($level,$nbt);
    }
    public function entityBaseTick(int $tickDiff = 20) : bool{
          // $this->yaw = 0;
          // $this->pitch = 0;
          return true;
          $this->timer -= 1;
          if($this->timer <= -10){
            $this->timer = 10;
          }
          if($this->timer <= -5){
            $this->motion->x = 1;
            $this->motion->y = -1;
            var_dump("4");
            #-5,-6,-7,-8,-9
          }else if($this->timer <= 0){
            $this->motion->x = -1;
            $this->motion->y = 1;
            var_dump("3");
            #0,-1,-2,-3,-4
          }else if($this->timer <= 5){
             $this->motion->x = -1;
             $this->motion->y = -1;
             var_dump("2");
             #5,4,3,2,1
          }else if($this->timer > 5){
             $this->motion->x = 1;
             $this->motion->y = 1;
             #10,9,8,7,6
             var_dump("1");
          }
          $this->updateMovement();
          return true;
    }
    public function follow($target, float $xOffset = 0.0, float $yOffset = 0.0, float $zOffset = 0.0): void {
        $x = $target->x + $xOffset - $this->x;
        $y = $target->y + $yOffset - $this->y;
        $z = $target->z + $zOffset - $this->z;

        $xz_sq = $x * $x + $z * $z;
        $xz_modulus = sqrt($xz_sq);

        if($xz_sq < 1) {
            $this->motion->x = 0;
            $this->motion->z = 0;
        } else{
            $speed_factor = 1 * 0.15;
            $this->motion->x = $speed_factor * ($x / $xz_modulus);
            $this->motion->z = $speed_factor * ($z / $xz_modulus);
        }
        $this->yaw = rad2deg(atan2(-$x, $z));
        $this->pitch = rad2deg(-atan2($y, $xz_modulus));

        $this->move($this->motion->x, $this->motion->y, $this->motion->z);
    }

    public function getName(): string{
                return "Chair";
    }

    public function getShortName() :string{
        return "Chair";
    }
}