//import processing.opengl.*;
import processing.video.*;
import proxml.*;

int stepZ = 90;
int zoomZ = -1160;
int zoomZspeed= 40;
boolean connectNodes = true;



XMLElement eyePathXML;
XMLInOut xmlInOut;

Movie rearWindow;
MovieMaker mm;  // Declare MovieMaker object
//font settings
PFont font;
PFont fontA;
Visuals v;

void setup() {
  size(1000, 768, P3D);
  frameRate(30);
  rearWindow = new Movie(this, "rwuncompressed.mov"); //uncompressed is cut at 1:40:00
  rearWindow.loop();
  mm = new MovieMaker(this, width, height, "screenCapture.mov", 20, MovieMaker.RAW, MovieMaker.LOSSLESS);
  background(0,0,0);
  lights();
  fill(255,0,0,60);
  //stroke(255, 0, 0,40);
  noStroke();
  //font settings
  fontA = loadFont("Swiss721BT-RomanCondensed-48.vlw");
  textFont(fontA, 25);
  v= new Visuals(rearWindow);
  //-----------------------------------------------------------XML stuff
  xmlInOut = new XMLInOut(this);
  try{
    xmlInOut.loadElement("sinan.xml"); 
  }
  catch(Exception e){
    //if the xml file could not be loaded it has to be created
    eyePathXML = new XMLElement("eyePath");
  }
  //pushMatrix();
  translate(width/2, height,0);
}

XMLElement position;
int prevX=-1;
void draw() {

  background(255);
  translate(width/2, height,0);
  /*
  float cameraY = height/2.0;
   float fov = zoomZ/float(width) * PI/2;
   float cameraZ = cameraY / tan(fov / 2.0);
   float aspect = float(width)/float(height);
   perspective(fov, aspect, cameraZ/10.0, cameraZ*10.0);
   println(zoomZ);
   translate(0, 0, 0);
   
   rotateX((width/2-mouseY)/float(height) * PI);
   // rotateY((width/2-mouseY)/float(height) * PI);
   */

  camera(0, -100, -zoomZ, -(width/2-mouseX)*10, -(height/2-mouseY)*10,- eyePathXML.countChildren()*(stepZ+20),  0.0, 1.0, 0.0);

  rectMode(CENTER);
  noFill();
  stroke(255,255,255,255);
  rect(0, 0, 720, 480);
  int videoZ=0;
  if(zoomZ>-840){
    videoZ=-zoomZ-840;
  }
  //println(zoomZ);
  v.displayVideo(videoZ, (zoomZ+1170)/3);
  fill(255,0,0,100);
  noStroke();

  translate(-720,0,0);
  beginShape();

  for(int i = 0; i < eyePathXML.countChildren();i++){

    position = eyePathXML.getChild(i);
    int x = position.getIntAttribute("x");
    int y = position.getIntAttribute("y");
    int z = position.getIntAttribute("z");

    y = 0; //to be deleted later
    //ellipse(x, 0,20,20);
    if (prevX!=-1&&connectNodes==true){
      stroke(255,0,0,80);  
      line(x, y, -stepZ, prevX, y, 0);
      curveVertex(x,  y, z);

      noStroke();
    }
    translate(0, 0, -stepZ);
    //v.displayNode(x,0,z);
    if(zoomZ+600<i*stepZ){
      fill(255,0,0,120);
    }
    else{ 
      fill(0,0,255,100);
    }
    ellipse(x, y,30,30);

    prevX=x;

  }
  endShape();
  translate(720/2,0,0);
  mm.addFrame();


} 


// -------XML FUNCTIONS----------s

void xmlEvent(XMLElement element){
  eyePathXML = element;


}
//---------------------------------

void keyPressed() {
  if (key == ' ') {
    mm.finish();  // Finish the movie if space bar is pressed!
  }
  else if (key == 's' || key == 'S') {
    println(key);
    // saveXML();  // Finish the movie if space bar is pressed!
  }
  else if (key == CODED) {
    if (keyCode == UP) {
      zoomZ+=zoomZspeed;

    } 
    else if (keyCode == DOWN) {
      zoomZ-=zoomZspeed;
    }
    else if(keyCode == LEFT){
      //showCam = showCam*-1;
    } 
  } 

}

// Called every time a new frame is available to read
void movieEvent(Movie m) {
  m.read();
}