Get to Know Me Game

/*
Sounds:
http://soundimage.org/
*/

import processing.sound.*;

SoundFile file1;
SoundFile file2;
SoundFile file3;

bgMusic2 music2;
bgMusic3 music3;

//Intro screen variables
PImage startscreen;
int stage;
float x1;
float x2;
float y1;
float y2;

PImage winscreen;

PImage endscreen;

//Game images
PImage happy1;
PImage music1;
PImage nervous2;
PImage people2;
PImage scared3;
PImage zombie3;
PImage curious4;
PImage space4;
PImage sad5;
PImage yelling5;
PImage annoyed6;
PImage smoking6;
PImage excited7;
PImage games7;
PImage amazed8;
PImage art8;

//board arrangement
int[][] board = {
  {0, 1, 0, 0, 0, 0, 0, 2},
  {0, 3, 0, 0, 0, 0, 4, 0},
  {0, 0, 0, 0, 5, 0, 6, 0},
  {0, 0, 0, 6, 0, 0, 2, 0},
  {0, 0, 0, 1, 7, 0, 0, 0},
  {0, 3, 4, 0, 0, 0, 7, 0},
  {0, 0, 0, 0, 5, 0, 0, 0},
  {8, 0, 0, 0, 0, 0, 0, 8}
};
int gw = 80,startx, starty, curx, cury; boolean selected = false, won = false;
color numToColor(int num) {
  if (num==1) image(happy1, gw, 0, gw, gw); image(music1, gw*3, gw*4, gw, gw);
  if (num==2) image(nervous2, gw*6, gw*3, gw, gw); image(people2, gw*7, 0, gw, gw);
  if (num==3) image(scared3, gw, gw*5, gw, gw); image(zombie3, gw, gw, gw, gw);
  if (num==4) image(curious4, gw*6, gw, gw, gw); image(space4, gw*2, gw*5, gw, gw);
  if (num==5) image(sad5, gw*4, gw*6, gw, gw); image(yelling5, gw*4, gw*2, gw, gw);
  if (num==6) image(annoyed6, gw*3, gw*3, gw, gw); image(smoking6, gw*6, gw*2, gw, gw);
  if (num==7) image(excited7, gw*6, gw*5, gw, gw); image(games7, gw*4, gw*4, gw, gw);
  if (num==8) image(amazed8, 0, gw*7, gw, gw); image(art8, gw*7, gw*7, gw, gw);
  return color(255,191,105);
}
void setup() { size(640,640); size(board[0].length*gw, board.length*gw); ellipseMode(CORNER);
  happy1 = loadImage("1happy.png"); music1 = loadImage("1music.jpg");
  nervous2 = loadImage("2nervous.png"); people2 = loadImage("2people.jpg");
  scared3 = loadImage("3scared.png"); zombie3 = loadImage("3zombie.jpg");
  curious4 = loadImage("4curious.png"); space4 = loadImage("4space.jpg");
  sad5 = loadImage("5sad.png"); yelling5 = loadImage("5yelling.jpg");
  annoyed6 = loadImage("6annoyed.png"); smoking6 = loadImage("6smoking.jpg");
  excited7 = loadImage("7excited.png"); games7 = loadImage("7games.jpg");
  amazed8 = loadImage("8amazed.png"); art8 = loadImage("8art.jpg");

  stage = 1;
  startscreen = loadImage("IntroScreen.jpg");
  x1 = 175;
  x2 = 442;
  y1 = 540;
  y2 = 593;

  winscreen = loadImage("WinningScreen.jpg");

  endscreen = loadImage("EndingScreen.jpg");

  //music
  file1 = new SoundFile(this, "bgMusic1.mp3");
  file1.loop();
  file1.amp(1.2);

  music2 = new bgMusic2();
  music3 = new bgMusic3();

}

void draw() {
  println("x :" + mouseX + "," + "y:" + mouseY);

  if(stage == 1){
    image(startscreen, 0, 0, width, height);
    if(mousePressed && x1<mouseX && mouseX<x2 && y1<mouseY && mouseY<y2 == true) {
      stage = 2;
      file1.stop();
      music2.play();
    }

  }

if(stage==2){
  drawboard();
  if (!won) {
    if (mousePressed && !selected) {
      //if you clicked and haven't selected yet
      startx = int(mouseX / gw); starty = int(mouseY / gw);
      curx=startx; cury=starty;
      //current x & y pos
      if (board[starty][startx] > 0) selected = true;
      //if you select one of the circles then something is selected
    }
    if (mousePressed==false && selected==true) {
      //click & let go
      selected = false;
      int endx = -1, endy = -1;
      for (int j=0;j<board.length;j++) {
        for (int i=0;i<board[j].length;i++) {
          if ( !(i==startx && j==starty) && board[j][i] == board[starty][startx]) {
            endx = i; endy = j;
            //if you let go on something it has to be the same number to count
          }
        }
      }
      if (  (curx == endx && cury == endy + 1) ||
        (curx == endx && cury == endy - 1) ||
        (curx == endx + 1 && cury == endy) ||
        (curx == endx - 1 && cury == endy)) checkwin();
      else {
        for (int j=0;j<board.length;j++) {
          for(int i=0;i<board[j].length;i++) if(board[j][i]==-board[starty][startx]) board[j][i]=0;
        }
      }
    }
    if (mousePressed==true && selected==true) {
      //draw pipes
      int x = int(mouseX/gw), y = int(mouseY/gw);
      if (x>=0 && y >= 0 && y<board.length&&x<board[0].length && board[y][x]==0) {
        if (  (x == curx + 1 && y == cury) ||
          (x==curx-1&&y==cury) || (x == curx && y == cury + 1) || (x == curx && y == cury - 1)) {
          board[y][x] = -board[starty][startx]; //negative value is pipe
          curx = x; cury = y;
        }
      }
    }
  }
  else {
    rect(0,0,width,height);
    image(winscreen, 0, 0, width, height);
    stage = 3;
    music2.stop();
    music3.play();
    }
  }//stage 2

  if (stage == 3) {
      if (mousePressed && 530<mouseX && mouseX<595 && 570<mouseY && mouseY<600 == true){
      stage = 4;
      }
  }

if (stage == 4) {
  image(endscreen, 0, 0, width, height);
}
}

void drawboard() {
  for (int j=0;j<board.length;j++) {
    for (int i=0;i<board[j].length;i++) {
      int x = i*gw,y = j*gw;
      fill(113,165,200); stroke(100); rect(x, y, gw, gw);
      fill(numToColor(board[j][i]));
      //draw circles
      //if (board[j][i]>0) ellipse(x+20, y+20, gw/2, gw/2);
      if (board[j][i]<0) { //pipes are less than 0
        boolean left = false, right = false, above = false, below = false;
        if( i > 0 && abs(board[j][i])==abs(board[j][i-1])) left = true;
        if( j > 0 && abs(board[j][i])==abs(board[j-1][i])) above = true;
        if( i < board.length-1 && abs(board[j][i])==abs(board[j][i+1])) right = true;
        if( j < board.length-1 && abs(board[j][i])==abs(board[j+1][i])) below = true;
        fill(numToColor(-board[j][i]));
        noStroke();
        rect(x+gw/4, y+gw/4, gw/2, gw/2);
        if(above && below) rect(x+gw/4, y, gw/2, gw);
        if(left && right) rect(x, y+gw/4, gw, gw/2);
        if(above && left) { rect(x, y+gw/4, gw/2, gw/2); rect(x+gw/4, y, gw/2, gw/2); }
        if(above && right) {rect(x+gw/2, y+gw/4, gw/2, gw/2); rect(x+gw/4, y, gw/2, gw/2); }
        if(below && left) { rect(x, y+gw/4, gw/2, gw/2); rect(x+gw/4, y+gw/2, gw/2, gw/2); }
        if(below && right) {rect(x+gw/2, y+gw/4, gw/2, gw/2); rect(x+gw/4, y+gw/2, gw/2, gw/2); }
      }
    }
  }
}
void checkwin() {
  won = true;
  for (int j=0;j<board.length;j++) for (int i=0;i<board[j].length;i++) {
    boolean foundpipe = false;
    if (board[j][i]>0) {
      for (int m=0;m<board.length;m++) for (int k=0;k<board[m].length;k++)
        if (board[m][k]==-board[j][i]) foundpipe = true;
      if (foundpipe ==false) won = false;
    }
  }
}

class bgMusic2 {
  void play() {
    file2 = new SoundFile(flow.this, "bgMusic2.mp3");
    file2.play();
  }
  void stop() {
    file2.stop();
  }
}
class bgMusic3 {
  void play() {
    file3 = new SoundFile(flow.this, "bgMusic3.mp3");
    file3.play();
  }
  void stop() {
    file3.stop();
  }
}