Ok now why wont this work?

[Bhala]

Why wont this work?

NPC Code:

---

if (playerenters) {

  drawunderplayer;

  dontblock;

  timereverywhere;

  timeout = .5;

}

if (timeout){

  this.dir = random( 1, 5 );

  if (this.dir=1 && !onwall(x+1,y)){y-=1;}

  if (this.dir=2 && !onwall(x+.5,y+2)){y+=1;}

  if (this.dir=3 && !onwall(x,y)){y-=1;}

  if (this.dir=4 && !onwall(x,y)){y-=1;}

  timeout = .5;

}

---