YTPo0Op collision fix suggestion

package com.LLGames.mygdxgame.entities;

import com.badlogic.gdx.Input.Keys;
import com.badlogic.gdx.InputProcessor;
import com.badlogic.gdx.graphics.g2d.Sprite;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.maps.tiled.TiledMapTileLayer;

public class Player extends Sprite implements InputProcessor {

    int x, y;

    private TiledMapTileLayer collisionLayer;

    public Player(Sprite sprite, TiledMapTileLayer collisionlayer) {
        super(sprite);
        this.collisionLayer = collisionLayer;
        }

    @Override
    public void draw(SpriteBatch spriteBatch) {
        update();
        super.draw(spriteBatch);
    }

    public void update() {
        setX(x);
        setY(y);
    }

    public void pos(int xa, int ya) {
        x = xa;
        y = ya;
    }

    public int getPos(int a) {
        int b = 0;
        if (a == 0) {b = x;}
        else {b = y;}
        return b;
    }

//My problem is in the following function. Without collision detection, movements work fine :)
//My tiles are 32 * 32 and my player is a png 32 width and 64 height

    public void move(int mov){
        switch (mov) {

        case 0 : // UP
            if(!isCellBlocked((x + 16)/ 32, (y + 64) / 32));
                y += 32;
            break ;

        case 1 : // DOWN
            if(!isCellBlocked((x + 16) / 32, y / 32))
                y -= 32;
            break ;

        case 2 : // LEFT
            if(!isCellBlocked((x - 32) / 32, y / 32))
                x -= 32;
            break ;

        case 3 : // RIGHT
            if(!isCellBlocked((x + 64) / 32, (y + 64) / 32))
                x += 32;
            break ;
        }
    }

    public boolean isCellBlocked(int x, int y) {
        Cell cell = collisionLayer.getCell(x, y);
        if(cell == null)
            return false; // the cell is not blocked (because there's none there)
        TiledMapTile tile = cell.getTile();
        if(tile != null) // check if there's a tile in the cell first to avoid an exception
            return tile.getProperties().containsKey("blocked");
        return false; // if there's no tile in the cell, it's not blocked as well
    }

    @Override
    public boolean keyDown(int keycode) {
        // TODO Auto-generated method stub
        return false;
    }

    @Override
    public boolean keyUp(int keycode) {
        // TODO Auto-generated method stub
        return false;
    }

    @Override
    public boolean keyTyped(char character) {
        switch(character) {

        case 'Z' :
        case 'z' :
            move(0);
            break ;

        case 'Q' :
        case 'q' :
            move(2);
            break ;

        case 'S' :
        case 's' :
            move(1);
            break ;

        case 'D' :
        case 'd' :
            move(3);
            break ;
        }
        return true;
    }

    @Override
    public boolean touchDown(int screenX, int screenY, int pointer, int button) {
        // TODO Auto-generated method stub
        return false;
    }

    @Override
    public boolean touchUp(int screenX, int screenY, int pointer, int button) {
        // TODO Auto-generated method stub
        return false;
    }

    @Override
    public boolean touchDragged(int screenX, int screenY, int pointer) {
        // TODO Auto-generated method stub
        return false;
    }

    @Override
    public boolean mouseMoved(int screenX, int screenY) {
        // TODO Auto-generated method stub
        return false;
    }

    @Override
    public boolean scrolled(int amount) {
        // TODO Auto-generated method stub
        return false;
    }



}