int zoom = 0;


Rubiks rub;

boolean w = false;
boolean a = false;
boolean s = false;
boolean d = false;
boolean c = false;

boolean Camera = false;
float cameraX = 0;
float cameraY = 0;
PVector cameraPos;

void handle_moves(Rubiks rub) {
  if (w == true) {
    cameraX += 100;
    w = false;
  }
  if (a == true) {
    cameraX -= 100;
    a = false;
  }
  if (s == true) {
    cameraY += 100;
    s = false;
  }
  if (d == true) {
    cameraY -= 100;
    d = false;
  }
  if (c == true) {
    Camera = true;
    c = false;
  }
}

void setup() {
  size(900,600, P3D);
  translate(450, 300, 0);
  rub = new Rubiks();
  String[] lines = loadStrings("./algos/flowers");
  
  for (int i = 0; i < lines[0].length(); i++) {
    char instruction = '\0';
    if (lines[0].charAt(i) != '2' && lines[0].charAt(i) != '\'')
      instruction = lines[0].charAt(i);
    if (instruction == 'L') {
      if (lines[0].charAt(i + 1) == '2') {
        rub.l();
        rub.l();
      } else if (lines[0].charAt(i + 1) == '\'') {
        rub.lp();
      }
      else {
        rub.l();
      }
    } else if (instruction == 'U') {
      if (lines[0].charAt(i + 1) == '2') {
        rub.u();
        rub.u();
      } else if (lines[0].charAt(i + 1) == '\'') {
        rub.up();
      }
      else {
        rub.u();
      }
    } else if (instruction == 'R') {
      if (lines[0].charAt(i + 1) == '2') {
        rub.r();
        rub.r();
      } else if (lines[0].charAt(i + 1) == '\'') {
        rub.rp();
      }
      else {
        rub.r();
      }
    } else if (instruction == 'F') {
      if (i == lines[0].length() - 1)
        break ;
      if (lines[0].charAt(i + 1) == '2') {
        rub.f();
        rub.f();
      } else if (lines[0].charAt(i + 1) == '\'') {
        rub.fp();
      }
      else {
        rub.f();
      }
    } else if (instruction == 'B') {
      if (lines[0].charAt(i + 1) == '2') {
        rub.bp();
        rub.bp();
      } else if (lines[0].charAt(i + 1) == '\'') {
        rub.b();
      }
      else {
        rub.bp();
      }
    } else if (instruction == 'D') {
      if (lines[0].charAt(i + 1) == '2') {
        rub.d();
        rub.d();
      } else if (lines[0].charAt(i + 1) == '\'') {
        rub.dp();
      }
      else {
        rub.b();
      }
    }
  }
}

void draw () {
  if (zoom < -4500)
    zoom = -4500;
  if (zoom > 100)
      zoom = 100;
  handle_moves(rub);
  translate(cameraX, cameraY, zoom);
  background(70);
  strokeWeight(10);
  stroke(0);
  if (!Camera) {
    cameraX = map(mouseY, 0, 900, 6, 0);
    cameraY = map(mouseX, 0, 600, 0, 4);
  }
  rotateX(cameraX);
  rotateZ(cameraY);
  rub.draw();
}

void mouseWheel(MouseEvent event) {
  float e = event.getCount();
  zoom = zoom + int(e) * -100;
}

void keyPressed() {
  if (key == 'w') {
    w = true;
  }
  if (key == 'a') {
    a = true;
  }
  if (key == 's') {
    s = true;
  }
  if (key == 'd') {
    d = true;
  }
  if (key == 'c') {
    c = true;
  }
}