QWidget(parent),

ui(new Ui::GameBoard), jellies_speed(jellies_speed), level(lvl)

{

ui->setupUi(this);

// Create the top widget, that will

Top = new QWidget;

// This code creates the Top bar

// Level: # Timer: #

Top->setFixedSize(450,40);

// set style of the top bar

Top->setStyleSheet("QLabel{ font-family: Odin Rounded; font-size: 18px; color: white; }");

// Create the top bar

QHBoxLayout *top_bar = new QHBoxLayout(Top);

// top_bar layout is used to space the elements from the Top Widget and the _Board Widget.

// Level: #

QLabel* level_text = new QLabel("Level: ");

level_value = new QLabel(QString::number(level)); // level is either 1, 2 or 3

// Add the level widgets to the Top bar

top_bar->addWidget(level_text);

top_bar->addWidget(level_value);

// Add in horizontal space before the next labels

QSpacerItem* horizontal_space = new QSpacerItem(200,10);

// Add the horizontal space to the top_bar layout

top_bar->addSpacerItem(horizontal_space);

// Level: # Timer: #

QLabel* time_text = new QLabel("Timer: ");

time_value = new QLabel(QString::number(0)); // start at 0 seconds

top_bar->addWidget(time_text);

top_bar->addWidget(time_value);

// Create the Board

Board = new QWidget;

Board->setFixedSize(450,450);

// Now we piece everything together

// Central Widget is composed of Top and Board

// Top

// --------

// Board

// Do not allow board to be resized, otherwise spacings get messed up

setFixedSize(550,550);

// Create a vertical box layout for the two pieces

QVBoxLayout *piece_together = new QVBoxLayout;

piece_together->addWidget(Top,0,Qt::AlignCenter);

piece_together->addWidget(Board,0,Qt::AlignCenter);

QPushButton* quit = new QPushButton("Quit");

quit->setFixedSize(450, 30);

QObject::connect(quit, SIGNAL(clicked()), parent, SLOT(game_over()));

piece_together->addWidget(quit,0,Qt::AlignCenter);

this->setLayout(piece_together);

// **************** Everything is now pieced together ******************************

// **************** We now draw the user box and the angry jellies **************

// Set user box position to be in the middle of the larger square

x_player_jelly = 155;

y_player_jelly = 155;

// Number of colored jellies

number_jellies = 4;

x_jellies = new double[number_jellies];

y_jellies = new double[number_jellies];

width_jellies = new double[number_jellies] ;

height_jellies = new double[number_jellies];

// Set first jelly size and starting positions

x_jellies[0] = 220.0;

y_jellies[0] = 280.0;

width_jellies[0] = 60.0;

height_jellies[0] = 50.0;

// Set second jelly size and starting positions

x_jellies[1] = 250.0;

y_jellies[1] = 10.0;

width_jellies[1] = 100.0;

height_jellies[1] = 40.0;

// Set third jelly size and starting positions

x_jellies[2] = 20.0;

y_jellies[2] = 20.0;

width_jellies[2] = 30.0;

height_jellies[2] = 60.0;

// Set fourth jelly size and starting positions

x_jellies[3] = 20.0;

y_jellies[3] = 270.0;

width_jellies[3] = 50.0;

height_jellies[3] = 60.0;

// set the moving directions of the jellies

dirx_jellies = new double[4];

diry_jellies = new double[4];

// set the x moving directions for the four jellies

dirx_jellies[0] = 1;

dirx_jellies[1] = 1;

dirx_jellies[2] = 1;

dirx_jellies[3] = 1;

// set the y moving directions for the four jellies

diry_jellies[0] = 1;

diry_jellies[1] = 1;

diry_jellies[2] = 1;

diry_jellies[3] = 1;

// set images

// **************** CHANGE FILE PATH OF THE IMAGES HERE **************/

// QString fileName(":/images/black_blank.jpg");

// set the player's jelly image

QString fileName(":/images/black_blank.png");

player_jelly_image = new QPixmap(fileName);

// set the images for the monsters

jelly_image_0 = new QPixmap(":/images/yellow_blank.png");

jelly_image_1 = new QPixmap(":/images/green_blank.png");

jelly_image_2 = new QPixmap(":/images/red_blank.png");

jelly_image_3 = new QPixmap(":/images/blue_blank.png");

// set background images

large_square_border = new QPixmap(":/images/jelly_background.jpg");

large_square = new QPixmap(":/images/border.png");

larger_square_border = new QPixmap(":/images/border.png");

/*** create the alert box to be displayed when the game is over ***/

GameOver = new QDialog(this);

QVBoxLayout *gameover_layout = new QVBoxLayout(GameOver);

GameOver_text = new QLabel;

GameOver_text->setStyleSheet("QLabel{ color: white; font: 20px Odin Rounded, sans-serif; }");

GameOver_pushbutton = new QPushButton("Ok");

GameOver_pushbutton->setStyleSheet("QPushButton{ background-color: white; color: blue; font: 20px Odin Rounded, sans-serif; }");

GameOver_pushbutton->setFixedSize(50,25);

gameover_layout->addWidget(GameOver_text,0,Qt::AlignCenter);

gameover_layout->addWidget(GameOver_pushbutton, 0,Qt::AlignCenter);

/*** change image path here ***/

// set image with the instructions

GameOver->setStyleSheet("QDialog{ border-image: url(:/images/jellies.jpg);}");

/*** prepare game settings and slots ***/

// set score and seconds to 0, since player has not started to play

seconds = 0;

score = "";

// connect the _game_over() signal of the GameBoard class to the game_over() function from the MainWindow class

connect(this, SIGNAL(_game_over()), parent, SLOT(game_over()));

// connect the _unlock_medium() signal of the GameBoard class to the unlock_medium() function from the MainWindow class

connect(this, SIGNAL(_unlock_medium()), parent, SLOT(unlock_medium()));

// connect the _unlock_hard() signal of the GameBoard class to the unlock_hard() function from the MainWindow class

connect(this, SIGNAL(_unlock_hard()), parent, SLOT(unlock_hard()));

// connect easy, medium and hard game signals of the GameBoard class to the easy, medium and hard game signals from the MainWindow class

// this will enable going from a level to the next

connect(this, SIGNAL(_medium_game()), parent, SLOT(on_Medium_clicked()));

connect(this, SIGNAL(_hard_game()), parent, SLOT(on_Hard_clicked()));

// game has not started yet

game_on = 0;

// prepare to move jellies

timer = new QTimer(this);

connect(timer, SIGNAL(timeout()), this, SLOT(move_jellies()));

// prepare chronometer

time = new QElapsedTimer();

QPainter painter(this);

// Set the window so that we can work on the board

// so that we can start putting the squares and jellies at (0,0)

painter.setWindow(-99,-112, 550, 550);

// Draw the larger square, by building a large frame

painter.drawPixmap(-50,-50,450, 450, *large_square_border);

// Draw the extreme limit of jellies territory

painter.drawPixmap(-50,-50,450, 450, *larger_square_border);

// Draw the larger square, put a border on it, the actual larger square

painter.drawPixmap(-4,-4,358, 358, *large_square);

// Draw the four colored jellies

painter.drawPixmap(x_jellies[0], y_jellies[0], width_jellies[0], height_jellies[0], *jelly_image_0);

painter.drawPixmap(x_jellies[1], y_jellies[1], width_jellies[1], height_jellies[1], *jelly_image_1);

painter.drawPixmap(x_jellies[2], y_jellies[2], width_jellies[2], height_jellies[2], *jelly_image_2);

painter.drawPixmap(x_jellies[3], y_jellies[3], width_jellies[3], height_jellies[3], *jelly_image_3);

// Draw the player's jelly

painter.drawPixmap(x_player_jelly, y_player_jelly, width_player_jelly, height_player_jelly, *player_jelly_image);

return;

// if the mouse if close enough to the player's jelly, the mouse can move the player's jelly

if((game_on &&

event->x() -99 + 50 >= x_player_jelly && event->x() -99 - 50 <= x_player_jelly+width_player_jelly &&

event->y() -112 +50 >= y_player_jelly && event->y() -112 - 50 <= y_player_jelly+height_player_jelly))

{

x_player_jelly = event->x() -99 - (width_player_jelly/2);

y_player_jelly = event->y() -112 - (height_player_jelly/2) ;

}

repaint();

this->activateWindow();

this->setFocus();

QWidget::showEvent(e);

if(!game_on){

start_game();

}

return;

// turn the game on

game_on = 1;

// start the timer to start making the jellies move based on the level chosen

timer->start(jellies_speed);

//start chronometer

time->start();

// set the images to be the same but with the faces of the players, because game is starting

player_jelly_image->load(":/images/black.png");

jelly_image_0->load(":/images/yellow.png");

jelly_image_1->load(":/images/green.png");

jelly_image_2->load(":/images/red.png");

jelly_image_3->load(":/images/blue.png");

// modify the direction of the jelly, if it has reached on board of the large game board square

if(x_jellies[jelly_number] >= 400 - width_jellies[jelly_number] || x_jellies[jelly_number] <= -50)

dirx_jellies[jelly_number] = -1 * dirx_jellies[jelly_number];

if(y_jellies[jelly_number] >= 400 - height_jellies[jelly_number] || y_jellies[jelly_number] <= -50)

diry_jellies[jelly_number] = -1 * diry_jellies[jelly_number];

// compute the new x and y coordinates

x_jellies[jelly_number] = x_jellies[jelly_number] + x_step*dirx_jellies[jelly_number];

y_jellies[jelly_number] = y_jellies[jelly_number] + y_step*diry_jellies[jelly_number];

repaint();

QCoreApplication::processEvents();

move_jelly(0,-9,14);

move_jelly(1,-11,-22);

move_jelly(2,13,-15);

move_jelly(3,15,12);

// update the chronometer in the top bar, with the number of seconds played

time_value->setText(QString::number(time->elapsed()/1000));

// check that jellies do not run into the player's jelly, otherwise game is over

// or that the player's jelly is not hitting any border

if(hit_borders() || hit_jelly())

{

end_the_game();

}

// check the position of all 4 jellies compared to the player's jelly coordinates

for(size_t i = 0; i < 4; i++){

// if the player's jelly hit a jelly, return true

if (x_player_jelly+width_player_jelly >= x_jellies[i] && x_player_jelly+width_player_jelly <= x_jellies[i]+width_jellies[i]+width_player_jelly &&

y_jellies[i]+height_jellies[i] >= y_player_jelly && y_jellies[i]+height_jellies[i] <= y_player_jelly+height_player_jelly+height_jellies[i])

return true;

}

// if the player's jelly doesn't hit anything, return false

return false;

if(x_player_jelly <= 0 || x_player_jelly >= 350- width_player_jelly || y_player_jelly <= 0 || y_player_jelly >= 350 - height_player_jelly)

return true;

return false;

// turn game off

game_on = 0;

// stop timer

timer->stop();

seconds = time->elapsed() / 1000.0;

score = QString::number(seconds);

// set the images to be the same but without the faces of the players, because game is over

player_jelly_image->load(":/images/black_blank.png");

jelly_image_0->load(":/images/yellow_blank.png");

jelly_image_1->load(":/images/green_blank.png");

jelly_image_2->load(":/images/red_blank.png");

jelly_image_3->load(":/images/blue_blank.png");

// Player won, if he stayed more than 30 seconds alive, otherwise he lost.

if(seconds > 30){ //< Player won

// update the level that the user just won, so that the user gains access to the next level

if(level == 1){//< if level was 1, the player is sent to level 2

// connect the clicked() signal of the message box to the close() slot from the dialog box

connect(GameOver_pushbutton, SIGNAL(clicked(bool)), GameOver, SLOT(close()));

// connect the rejected() signal of the message box to the _medium_game() function from the GameBoard class

// this way the user has no possibiliy to avoid the alert box

connect(GameOver, SIGNAL(rejected()), this, SIGNAL(_medium_game()));

// set message box's text

GameOver_text->setText("<h1 >You won!"

"<br/><br/>You survived " +score + " seconds."

"<br/><br/>Let's go for level 2.</h1>");

// level 2 is unlocked

_unlock_medium();

}

if(level == 2){//< if level was 2, the player is sent to level 3

// connect the clicked() signal of the message box to the close() slot from the dialog box

connect(GameOver_pushbutton, SIGNAL(clicked(bool)), GameOver, SLOT(close()));

// connect the rejected() signal of the message box to the _hard_game() function from the GameBoard class

// this way the user has no possibiliy to avoid the alert box

connect(GameOver, SIGNAL(rejected()), this, SIGNAL(_hard_game()));

// set message box's text

GameOver_text->setText("<h1>You won!"

"<br/><br/>You survived " +score + " seconds."

"<br/><br/>Let's go for level 3.</h1>");

// level 3 is unlocked;

_unlock_hard();

}

if(level == 3){//< if level was 3, the player just won the whole game

// connect the clicked() signal of the message box to the close() slot from the dialog box

connect(GameOver_pushbutton, SIGNAL(clicked(bool)), GameOver, SLOT(close()));

// connect the rejected() signal of the message box to the game_over() function from the GameBoard class

// this way the user has no possibiliy to avoid the alert box

connect(GameOver, SIGNAL(rejected()), this, SIGNAL(_game_over()));

// set message box's text

GameOver_text->setText("<h1>YOU WON THE GAME!"

"<br/><br/>You survived " +score + " seconds.</h1>");

}

}

else{//< Player lost

// connect the clicked() signal of the message box to the close() slot from the dialog box

connect(GameOver_pushbutton, SIGNAL(clicked(bool)), GameOver, SLOT(close()));

// connect the rejected() signal of the message box to the game_over() function from the MainWindow class

// this way the user has no possibiliy to avoid the alert box

connect(GameOver, SIGNAL(rejected()), this, SIGNAL(_game_over()));

// set message box's text

GameOver_text->setText("You lost! You survived " +score + " seconds.");

}

// show message box

GameOver->exec();