import junior.*;

public class TestRectangle extends IcobjWorkspace
{   
  final static int startx = 100, starty = 100, num = 12;

  Instruction awaitDir(Brick brick,byte dir){
     return new Seq(new Await("dir_"+dir),new Seq(new BrickMove(brick,dir),new Stop()));
  }

  Instruction awaitAllDir(Brick brick){
     return new Merge(awaitDir(brick,Icobj.Left),
            new Merge(awaitDir(brick,Icobj.Right),
            new Merge(awaitDir(brick,Icobj.Down),awaitDir(brick,Icobj.Up))));
  }

  Instruction brickBehavior(Brick brick){
     Instruction await = new Loop(new Until("impact",awaitAllDir(brick),new Nothing()));
           
  Instruction detect = 
        new Loop(
           new Seq(
              new If(new BrickDetect(brick),
                     new Seq(new Generate("impact"),new Generate("dir_"+brick.direction)),
                     new Nothing()),
              new Stop()));
     
     return new Merge(detect,await);
  }

  Instruction addBrick(Brick b,IcobjWorkspace w,Instruction i){
     w.addIcobj(b); return new Merge(i,brickBehavior(b));
  }
  Instruction addBall(Ball b,IcobjWorkspace w,Instruction i){
     w.addIcobj(b); return new Merge(i,new Loop(new Seq(new BallMove(b),new Stop())));
  }
  
  public void init(){ 
     Instruction prog = new Nothing();
     for(int i=0;i<num;i++){    
        prog = addBrick(new Brick("",startx,starty+10*i,Icobj.Left),this,prog);
        prog = addBrick(new Brick("",startx+10*i,starty,Icobj.Up),this,prog);
        prog = addBrick(new Brick("",startx+10*(num-1),starty+10*i,Icobj.Right),this,prog);
        prog = addBrick(new Brick("",startx+10*i,starty+10*(num-1),Icobj.Down),this,prog);
     }
     prog = addBall(new Ball("",startx+num*10/2,starty+num*10/2),this,prog);
     mainThread = new Thread(new ReactiveApplet(this,prog));
     mainThread.start();
  }
}