import rita.*;

RiText[] rts;
RiGrammar grammar;

boolean hasClicked, noSwap=true;
String[] images;
int clicks=0;
PImage b;

void setup()
{
  size(1000, 600);
  
  images = new String[5];
  images[0] = "yokedtrees.jpg";
  images[1] = "kitchen.jpg";
  images[2]= "attic.jpg";
  images[3]= "bedroom.jpg";
  images[4]= "diner.jpg";
  
  // create the grammar 
  grammar = new RiGrammar(this, "newgrammar.txt");

  RiText.setDefaultFont("Adler-24.vlw");
  RiText.setDefaultColor(193,0,0);
  RiText.setDefaultAlignment(CENTER);
  
  rts = new RiText[13];
  rts[0] = new RiText(this, "Cornell's Yoke Machine", width/2, 40);
  rts[1] = new RiText(this, "click to generate a room...", width/2, 70);

  RiText.setDefaultAlignment(LEFT);
  RiText.setDefaultFont("Adler-18.vlw");
  rts[2] = new RiText(this, 70, 75);
  rts[3] = new RiText(this, 70, 100);
  rts[4] = new RiText(this, 70, 125);
  rts[5] = new RiText(this, 70, 175);
  rts[6] = new RiText(this, 70, 200);
  rts[7] = new RiText(this, 70, 225);
  rts[8] = new RiText(this, 70, 275);
  rts[9] = new RiText(this, 70, 300);
  rts[10] = new RiText(this, 70, 325);
  rts[11] = new RiText(this, 70, 375);
  rts[12] = new RiText(this, 70, 400);

  b = loadImage(images[0]);
  rts[0].setCallbackTimer(.2, true);
}

void draw()
{
  rect(0, 0, width, height);
  image(b, 0, 0, width,height);
}

void mouseClicked()
{
  // pick an image
  int index = int(random(1,images.length));
  String selected = images[index];
  b = loadImage(selected);

  // generate the text
  String result = grammar.expand();
  String[] lines = result.split("%");
  for (int i = 0; i < rts.length; i++) 
  {
    rts[i].setText(lines[i].trim());
    String linesFromGrammar = lines[i];
    for (int j=0; j<linesFromGrammar.length(); j++)
    {
      if (linesFromGrammar.startsWith("@"))
      {
        noSwap = true;
        hasClicked = false;
      } 
      else 
        noSwap = false;
    } 
  }
  hasClicked = true;

  clicks++;
  if (clicks>1)
  {
    noSwap = true; //we want the flipping to stop by not calling the timer 
  }
  if (clicks==3) //but if we click again, we want the timer to start again
  {
    clicks = 1; //so we change the click back to as if it is 1 click
    hasClicked = true; //and change hasClicked back to true
    noSwap = false;
  }
}

void onRiTaEvent(RiTaEvent rt) 
{ 
  if (hasClicked && !noSwap) 
  {
    String result = grammar.expand();
    String[] lines = result.split("%");
    for (int i = 2; i < rts.length; i++) 
      rts[i].setText(lines[i].trim());
  }
}