import processing.serial.*;

int puncture;     // data from serial port
Serial port; // The serial port object
int[] serialz = new int[2]; //a new array with 2 places, for serial
int serialCount = 0;
int var; //variable used to choose the image
PImage[] images = new PImage[45]; //create image array with 45 images
int randy; // the random number variable
boolean entered = false; //intializes the needle insertion state as 'false'



void setup() {
  size(1000,669);  

  //
  images[0] = loadImage("initial.jpg"); //select 1st image
  images[1] = loadImage("liver.jpg"); //select 2nd image
  images[2] = loadImage("liver2.jpg"); //select 3rd image
  images[3] = loadImage("liver3.jpg"); 
  images[4] = loadImage("gallblad.jpg"); 
  images[5] = loadImage("gall2.jpg");
  images[6] = loadImage("gall3.jpg");
  images[7] = loadImage("gall4.jpg"); 
  images[8] = loadImage("heart.jpg"); 
  images[9] = loadImage("heart2.jpg"); 
  images[10] = loadImage("heart3.jpg"); 
  images[11] = loadImage("heart4.jpg"); 
  images[12] = loadImage("smallint.jpg");
  images[13] = loadImage("sint2.jpg"); 
  images[14] = loadImage("sint3.jpg"); 
  images[15] = loadImage("sint4.jpg"); 
  images[16] = loadImage("pericard.jpg"); 
  images[17] = loadImage("peri2.jpg");
  images[18] = loadImage("peri3.jpg"); 
  images[19] = loadImage("sanjiao.jpg"); 
  images[20] = loadImage("sanj2.jpg"); 
  images[21] = loadImage("sanj3.jpg"); 
  images[22] = loadImage("spleen.jpg"); 
  images[23] = loadImage("spleen2.jpg"); 
  images[24] = loadImage("spleen3.jpg"); 
  images[25] = loadImage("spleen4.jpg"); 
  images[26] = loadImage("spleen5.jpg"); 
  images[27] = loadImage("stomach.jpg"); 
  images[28] = loadImage("stomach2.jpg"); 
  images[29] = loadImage("lung.jpg");
  images[30] = loadImage("lung2.jpg"); 
  images[31] = loadImage("lung3.jpg"); 
  images[32] = loadImage("largeint.jpg"); 
  images[33] = loadImage("lint2.jpg"); 
  images[34] = loadImage("lint3.jpg"); 
  images[35] = loadImage("lint4.jpg"); 
  images[36] = loadImage("lint5.jpg"); 
  images[37] = loadImage("kidney.jpg"); 
  images[38] = loadImage("kidney2.jpg"); 
  images[39] = loadImage("kidney3.jpg");
  images[40] = loadImage("kidney4.jpg"); 
  images[41] = loadImage("bladder.jpg"); 


  // Using the first available port
  port = new Serial(this, Serial.list()[0], 9600);

}



void serialEvent(Serial port) {
  puncture = port.read(); // make the puncture variable read the serial
  serialz[serialCount] = puncture; //the array that holds the last two bits of serial info
  serialCount++; 

  if (serialCount>1){ // put the array back to the first point
    serialCount = 0;
  }

  // println(puncture);
}

void draw() {

  if ((entered == false)  && (serialz[1] > 2 )){
    entered = true;
    randy = int(random(2)); //if there's a needle in, get a random number 
  } 
  else if 
    ((entered == true) && (serialz[0] > 2) && (serialz[1] > 2 )){
    randy = randy;
  } 
  else if
    ((entered == true) && (serialz[0] == 1) && (serialz[1] == 1 )){
    entered = false; //if there isn't, then don't
  }

  println(puncture);

  if (puncture == 10){ //if the needle is in spot 1 then
    var = int(1 + randy); // randomly choose one of two pictures (and make sure the random number is an integer)
  }


  else if (puncture == 20){
    var = int(4 + randy);
  }

  else if (puncture == 30) {
    var = int(8 + randy);
  }

  else if (puncture == 40) {
    var = int(12 + randy);
  }

  else if (puncture == 50) {
    var = int(16 + randy);
  }
  else if (puncture == 60) {
    var = int(19 + randy);
  }
  else if (puncture == 70) {
    var = int(22 + randy);
  }
  else if (puncture == 80) {
    var = int(27);
  }
  else if (puncture == 90) {
    var = int(29 + randy);
  }
  else if (puncture == 100) {
    var = int(32 + randy);
  }
  else if (puncture == 110) {
    var = int(37 +randy);
  }
  else if (puncture == 120) {
    var = 12;
  }

  else if ((serialz[0] == 1) && (serialz[1] == 1 )) {
    var = 0;
  }




  image (images[var], 0, 0); // display the random image
}