Implement in Java with a GUI the game Minesweeper with the following restriction
ID: 3709634 • Letter: I
Question
Implement in Java with a GUI the game Minesweeper with the following restrictions:
1. Board size: you should give the option to the user to choose at the start of the game between "Beginner", "Intermediate" and "Advanced". The board size and number of mines for each of these three choices are the following: Beginner: board 8x8 and 10 mines, Advanced: board 16x16 and 36 mines and finally Expert: board 24x24 and 91 mines 2. your game should have a timer that displays the number of seconds played so far, if the clock reaches 1 minute for Beginner, 3 minutes for Advanced or 10 minutes for Expert then the game is lost and the mines should explode 3. Implement some small animation of mines exploding and at the same time the game should also make an exploding sound. Obviously only the not yet uncovered mines should explode,the ones that were marked as mines should not explode. Furthermore your program should point out with a red X the locations where the player marked as mine and were not correct. 4. the control of the game should be done completely by mouse clicks: left click uncovers that location, right click marks as mine in that location, a second right click erases the mine marking for that location 5. BONUS for +2p a second click on a revealed location that has the number of mines adjacent to it marked will uncover automatically all the cells adjacent that are supposed to not have any mines. As an example of what you should implement try this implementation of minesweeper: http://www.freeminesweeper.org/minecore.html
Explanation / Answer
import java.awt.*;
import java.awt.Dimension;
import javax.swing.*;
import java.awt.event.*;
import java.util.*;
public class Minesweeper extends JFrame implements ActionListener, ContainerListener {
int fw, fh, blockr, blockc, var1, var2, num_of_mine, detectedmine = 0, savedlevel = 1,
savedblockr, savedblockc, savednum_of_mine = 10;
int[] r = {-1, -1, -1, 0, 1, 1, 1, 0};
int[] c = {-1, 0, 1, 1, 1, 0, -1, -1};
JButton[][] blocks;
int[][] countmine;
int[][] colour;
ImageIcon[] ic = new ImageIcon[14];
JPanel panelb = new JPanel();
JPanel panelmt = new JPanel();
JTextField tf_mine, tf_time;
JButton reset = new JButton("");
Random ranr = new Random();
Random ranc = new Random();
boolean check = true, starttime = false;
Point framelocation;
Stopwatch sw;
MouseHendeler mh;
Point p;
Minesweeper() {
super("Minesweeper");
setLocation(400, 300);
setic();
setpanel(1, 0, 0, 0);
setmanue();
sw = new Stopwatch();
reset.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
try {
sw.stop();
setpanel(savedlevel, savedblockr, savedblockc, savednum_of_mine);
} catch (Exception ex) {
setpanel(savedlevel, savedblockr, savedblockc, savednum_of_mine);
}
reset();
}
});
setDefaultCloseOperation(EXIT_ON_CLOSE);
show();
}
public void reset() {
check = true;
starttime = false;
for (int i = 0; i < blockr; i++) {
for (int j = 0; j < blockc; j++) {
colour[i][j] = 'w';
}
}
}
public void setpanel(int level, int setr, int setc, int setm) {
if (level == 1) {
fw = 200;
fh = 300;
blockr = 10;
blockc = 10;
num_of_mine = 10;
} else if (level == 2) {
fw = 320;
fh = 416;
blockr = 16;
blockc = 16;
num_of_mine = 70;
} else if (level == 3) {
fw = 400;
fh = 520;
blockr = 20;
blockc = 20;
num_of_mine = 150;
} else if (level == 4) {
fw = (20 * setc);
fh = (24 * setr);
blockr = setr;
blockc = setc;
num_of_mine = setm;
}
savedblockr = blockr;
savedblockc = blockc;
savednum_of_mine = num_of_mine;
setSize(fw, fh);
setResizable(false);
detectedmine = num_of_mine;
p = this.getLocation();
blocks = new JButton[blockr][blockc];
countmine = new int[blockr][blockc];
colour = new int[blockr][blockc];
mh = new MouseHendeler();
getContentPane().removeAll();
panelb.removeAll();
tf_mine = new JTextField("" + num_of_mine, 3);
tf_mine.setEditable(false);
tf_mine.setFont(new Font("DigtalFont.TTF", Font.BOLD, 25));
tf_mine.setBackground(Color.BLACK);
tf_mine.setForeground(Color.RED);
tf_mine.setBorder(BorderFactory.createLoweredBevelBorder());
tf_time = new JTextField("000", 3);
tf_time.setEditable(false);
tf_time.setFont(new Font("DigtalFont.TTF", Font.BOLD, 25));
tf_time.setBackground(Color.BLACK);
tf_time.setForeground(Color.RED);
tf_time.setBorder(BorderFactory.createLoweredBevelBorder());
reset.setIcon(ic[11]);
reset.setBorder(BorderFactory.createLoweredBevelBorder());
panelmt.removeAll();
panelmt.setLayout(new BorderLayout());
panelmt.add(tf_mine, BorderLayout.WEST);
panelmt.add(reset, BorderLayout.CENTER);
panelmt.add(tf_time, BorderLayout.EAST);
panelmt.setBorder(BorderFactory.createLoweredBevelBorder());
panelb.setBorder(BorderFactory.createCompoundBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10), BorderFactory.createLoweredBevelBorder()));
panelb.setPreferredSize(new Dimension(fw, fh));
panelb.setLayout(new GridLayout(0, blockc));
panelb.addContainerListener(this);
for (int i = 0; i < blockr; i++) {
for (int j = 0; j < blockc; j++) {
blocks[i][j] = new JButton("");
//blocks[i][j].addActionListener(this);
blocks[i][j].addMouseListener(mh);
panelb.add(blocks[i][j]);
}
}
reset();
panelb.revalidate();
panelb.repaint();
//getcontentpane().setOpaque(true);
getContentPane().setLayout(new BorderLayout());
getContentPane().addContainerListener(this);
//getContentPane().revalidate();
getContentPane().repaint();
getContentPane().add(panelb, BorderLayout.CENTER);
getContentPane().add(panelmt, BorderLayout.NORTH);
setVisible(true);
}
public void setmanue() {
JMenuBar bar = new JMenuBar();
JMenu game = new JMenu("GAME");
JMenuItem menuitem = new JMenuItem("new game");
final JCheckBoxMenuItem beginner = new JCheckBoxMenuItem("Begineer");
final JCheckBoxMenuItem intermediate = new JCheckBoxMenuItem("Intermediate");
final JCheckBoxMenuItem expart = new JCheckBoxMenuItem("Expart");
final JCheckBoxMenuItem custom = new JCheckBoxMenuItem("Custom");
final JMenuItem exit = new JMenuItem("Exit");
final JMenu help = new JMenu("Help");
final JMenuItem helpitem = new JMenuItem("Help");
ButtonGroup status = new ButtonGroup();
menuitem.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
//panelb.removeAll();
//reset();
setpanel(1, 0, 0, 0);
//panelb.revalidate();
//panelb.repaint();
}
});
beginner.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
panelb.removeAll();
reset();
setpanel(1, 0, 0, 0);
panelb.revalidate();
panelb.repaint();
beginner.setSelected(true);
savedlevel = 1;
}
});
intermediate.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
panelb.removeAll();
reset();
setpanel(2, 0, 0, 0);
panelb.revalidate();
panelb.repaint();
intermediate.setSelected(true);
savedlevel = 2;
}
});
expart.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
panelb.removeAll();
reset();
setpanel(3, 0, 0, 0);
panelb.revalidate();
panelb.repaint();
expart.setSelected(true);
savedlevel = 3;
}
});
custom.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
//panelb.removeAll();
Customizetion cus = new Customizetion();
reset();
panelb.revalidate();
panelb.repaint();
//Minesweeper ob=new Minesweeper(4);
custom.setSelected(true);
savedlevel = 4;
}
});
exit.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.exit(0);
}
});
helpitem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
JOptionPane.showMessageDialog(null, "instruction");
}
});
setJMenuBar(bar);
status.add(beginner);
status.add(intermediate);
status.add(expart);
status.add(custom);
game.add(menuitem);
game.addSeparator();
game.add(beginner);
game.add(intermediate);
game.add(expart);
game.add(custom);
game.addSeparator();
game.add(exit);
help.add(helpitem);
bar.add(game);
bar.add(help);
}
public void componentAdded(ContainerEvent ce) {
}
public void componentRemoved(ContainerEvent ce) {
}
public void actionPerformed(ActionEvent ae) {
}
class MouseHendeler extends MouseAdapter {
public void mouseClicked(MouseEvent me) {
if (check == true) {
for (int i = 0; i < blockr; i++) {
for (int j = 0; j < blockc; j++) {
if (me.getSource() == blocks[i][j]) {
var1 = i;
var2 = j;
i = blockr;
break;
}
}
}
setmine();
calculation();
check = false;
}
showvalue(me);
winner();
if (starttime == false) {
sw.Start();
starttime = true;
}
}
}
public void winner() {
int q = 0;
for (int k = 0; k < blockr; k++) {
for (int l = 0; l < blockc; l++) {
if (colour[k][l] == 'w') {
q = 1;
}
}
}
if (q == 0) {
//panelb.hide();
for (int k = 0; k < blockr; k++) {
for (int l = 0; l < blockc; l++) {
blocks[k][l].removeMouseListener(mh);
}
}
sw.stop();
JOptionPane.showMessageDialog(this, "u R a lover");
}
}
public void showvalue(MouseEvent e) {
for (int i = 0; i < blockr; i++) {
for (int j = 0; j < blockc; j++) {
if (e.getSource() == blocks[i][j]) {
if (e.isMetaDown() == false) {
if (blocks[i][j].getIcon() == ic[10]) {
if (detectedmine < num_of_mine) {
detectedmine++;
}
tf_mine.setText("" + detectedmine);
}
if (countmine[i][j] == -1) {
for (int k = 0; k < blockr; k++) {
for (int l = 0; l < blockc; l++) {
if (countmine[k][l] == -1) {
//blocks[k][l].setText("X");
blocks[k][l].setIcon(ic[9]);
//blocks[k][l].setBackground(Color.BLUE);
//blocks[k][l].setFont(new Font("",Font.CENTER_BASELINE,8));
blocks[k][l].removeMouseListener(mh);
}
blocks[k][l].removeMouseListener(mh);
}
}
sw.stop();
reset.setIcon(ic[12]);
JOptionPane.showMessageDialog(null, "sorry u R loser");
} else if (countmine[i][j] == 0) {
dfs(i, j);
} else {
blocks[i][j].setIcon(ic[countmine[i][j]]);
//blocks[i][j].setText(""+countmine[i][j]);
//blocks[i][j].setBackground(Color.pink);
//blocks[i][j].setFont(new Font("",Font.PLAIN,8));
colour[i][j] = 'b';
//blocks[i][j].setBackground(Color.pink);
break;
}
} else {
if (detectedmine != 0) {
if (blocks[i][j].getIcon() == null) {
detectedmine--;
blocks[i][j].setIcon(ic[10]);
}
tf_mine.setText("" + detectedmine);
}
}
}
}
}
}
public void calculation() {
int row, column;
for (int i = 0; i < blockr; i++) {
for (int j = 0; j < blockc; j++) {
int value = 0;
int R, C;
row = i;
column = j;
if (countmine[row][column] != -1) {
for (int k = 0; k < 8; k++) {
R = row + r[k];
C = column + c[k];
if (R >= 0 && C >= 0 && R < blockr&& C < blockc) {
if (countmine[R][C] == -1) {
value++;
}
}
}
countmine[row][column] = value;
}
}
}
}
public void dfs(int row, int col) {
int R, C;
colour[row][col] = 'b';
blocks[row][col].setBackground(Color.GRAY);
blocks[row][col].setIcon(ic[countmine[row][col]]);
//blocks[row][col].setText("");
for (int i = 0; i < 8; i++) {
R = row + r[i];
C = col + c[i];
if (R >= 0 && R < blockr && C >= 0&& C < blockc && colour[R][C] == 'w') {
if (countmine[R][C] == 0) {
dfs(R, C);
} else {
blocks[R][C].setIcon(ic[countmine[R][C]]);
//blocks[R][C].setText(""+countmine[R][C]);
//blocks[R][C].setBackground(Color.pink);
//blocks[R][C].setFont(new Font("",Font.BOLD,));
colour[R][C] = 'b';
}
}
}
}
public void setmine() {
int row = 0, col = 0;
Boolean[][] flag = new Boolean[blockr][blockc];
for (int i = 0; i < blockr; i++) {
for (int j = 0; j < blockc; j++) {
flag[i][j] = true;
countmine[i][j] = 0;
}
}
flag[var1][var2] = false;
colour[var1][var2] = 'b';
for (int i = 0; i < num_of_mine; i++) {
row = ranr.nextInt(blockr);
col = ranc.nextInt(blockc);
if (flag[row][col] == true) {
countmine[row][col] = -1;
colour[row][col] = 'b';
flag[row][col] = false;
} else {
i--;
}
}
}
public void setic() {
String name;
for (int i = 0; i <= 8; i++) {
name = i + ".gif";
ic[i] = new ImageIcon(name);
}
ic[9] = new ImageIcon("mine.gif");
ic[10] = new ImageIcon("flag.gif");
ic[11] = new ImageIcon("new game.gif");
ic[12] = new ImageIcon("crape.gif");
}
public class Stopwatch extends JFrame implements Runnable {
long startTime;
//final static java.text.SimpleDateFormat timerFormat = new java.text.SimpleDateFormat("mm : ss :SSS");
//final JButton startStopButton= new JButton("Start/stop");
Thread updater;
boolean isRunning = false;
long a = 0;
Runnable displayUpdater = new Runnable() {
public void run() {
displayElapsedTime(a);
a++;
}
};
public void stop() {
long elapsed = a;
isRunning = false;
try {
updater.join();
} catch (InterruptedException ie) {
}
displayElapsedTime(elapsed);
a = 0;
}
private void displayElapsedTime(long elapsedTime) {
if (elapsedTime >= 0 && elapsedTime < 9) {
tf_time.setText("00" + elapsedTime);
} else if (elapsedTime > 9 && elapsedTime < 99) {
tf_time.setText("0" + elapsedTime);
} else if (elapsedTime > 99 && elapsedTime < 999) {
tf_time.setText("" + elapsedTime);
}
}
public void run() {
try {
while (isRunning) {
SwingUtilities.invokeAndWait(displayUpdater);
Thread.sleep(1000);
}
} catch (java.lang.reflect.InvocationTargetException ite) {
ite.printStackTrace(System.err);
} catch (InterruptedException ie) {
}
}
public void Start() {
startTime = System.currentTimeMillis();
isRunning = true;
updater = new Thread(this);
updater.start();
}
}
class Customizetion extends JFrame implements ActionListener {
JTextField t1, t2, t3;
JLabel lb1, lb2, lb3;
JButton b1, b2;
int cr, cc, cm, actionc = 0;
Customizetion() {
super("CUSTOMIZETION");
setSize(180, 200);
setResizable(false);
setLocation(p);
t1 = new JTextField();
t2 = new JTextField();
t3 = new JTextField();
b1 = new JButton("OK");
b2 = new JButton("Cencel");
b1.addActionListener(this);
b2.addActionListener(this);
lb1 = new JLabel("Row");
lb2 = new JLabel("Column");
lb3 = new JLabel("mine");
getContentPane().setLayout(new GridLayout(0, 2));
getContentPane().add(lb1);
getContentPane().add(t1);
getContentPane().add(lb2);
getContentPane().add(t2);
getContentPane().add(lb3);
getContentPane().add(t3);
getContentPane().add(b1);
getContentPane().add(b2);
show();
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() == b1) {
try {
cr = Integer.parseInt(t1.getText());
cc = Integer.parseInt(t2.getText());
cm = Integer.parseInt(t3.getText());
//Minesweeper ms=new Minesweeper();
setpanel(4, row(), column(), mine());
dispose();
} catch (Exception any) {
JOptionPane.showMessageDialog(this, "Wrong");
t1.setText("");
t2.setText("");
t3.setText("");
}
//Show_rcm();
}
if (e.getSource() == b2) {
dispose();
}
}
public int row() {
if (cr > 30) {
return 30;
} else if (cr < 10) {
return 10;
} else {
return cr;
}
}
public int column() {
if (cc > 30) {
return 30;
} else if (cc < 10) {
return 10;
} else {
return cc;
}
}
public int mine() {
if (cm > ((row() - 1) * (column() - 1))) {
return ((row() - 1) * (column() - 1));
} else if (cm < 10) {
return 10;
} else {
return cm;
}
}
}
}
import javax.swing.*;
import java.awt.*;
import java.util.ArrayList;
public class Board {
private Cell[][] cells;
private int cellID = 0;
private int side = 8;
private int limit = side-2;
public void setBoard(){
JFrame frame = new JFrame();
frame.add(addCells());
plantMines();
setCellValues();
frame.pack();
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.setVisible(true);
}
public JPanel addCells(){
JPanel panel = new JPanel(new GridLayout(side,side));
cells = new Cell[side][side];
for(int i = 0; i< side; i++){
for(int j = 0; j<side; j++){
cells[i][j] = new Cell(this);
cells[i][j].setId(getID());
panel.add(cells[i][j].getButton());
}
}
return panel;
}
public void plantMines(){
ArrayList<Integer> loc = generateMinesLocation(10);
for(int i : loc){
getCell(i).setValue(-1);
}
}
/*Choose rendom places for mines*/
public ArrayList<Integer> generateMinesLocation(int q){
ArrayList<Integer> loc = new ArrayList<Integer>();
int random;
for(int i = 0; i<q;){
random = (int)(Math.random()* (side*side));
if(!loc.contains(random)){
loc.add(random);
i++;
}
}
return loc;
}
// MOST IMPORTANT PART/////////////////////////////////////////////////////
/*This method count number of mines around particular cell and set its value*/
public void setCellValues(){
for(int i = 0; i<side; i++){
for(int j = 0; j<side; j++){
if(cells[i][j].getValue() != -1){
if(j>=1 && cells[i][j-1].getValue() == -1) cells[i][j].incrementValue();
if(j<= limit && cells[i][j+1].getValue() == -1) cells[i][j].incrementValue();
if(i>=1 && cells[i-1][j].getValue() == -1) cells[i][j].incrementValue();
if(i<= limit && cells[i+1][j].getValue() == -1) cells[i][j].incrementValue();
if(i>=1 && j>= 1 && cells[i-1][j-1].getValue() == -1) cells[i][j].incrementValue();
if(i<= limit && j<= limit && cells[i+1][j+1].getValue() == -1) cells[i][j].incrementValue();
if(i>=1 && j<= limit && cells[i-1][j+1].getValue() == -1) cells[i][j].incrementValue();
if(i<= limit && j>= 1 && cells[i+1][j-1].getValue() == -1) cells[i][j].incrementValue();
}
}
}
}
public void scanForEmptyCells(){
for(int i = 0; i<side; i++){
for(int j = 0; j<side; j++){
if(!cells[i][j].isNotChecked()){
if(j>=1 && cells[i][j-1].isEmpty()) cells[i][j-1].checkCell();
if(j<= limit && cells[i][j+1].isEmpty()) cells[i][j+1].checkCell();
if(i>=1 && cells[i-1][j].isEmpty()) cells[i-1][j].checkCell();
if(i<= limit && cells[i+1][j].isEmpty()) cells[i+1][j].checkCell();
if(i>=1 && j>= 1 && cells[i-1][j-1].isEmpty()) cells[i-1][j-1].checkCell();
if(i<= limit && j<= limit && cells[i+1][j+1].isEmpty()) cells[i+1][j+1].checkCell();
if(i>=1 && j<= limit && cells[i-1][j+1].isEmpty()) cells[i-1][j+1].checkCell();
if(i<= limit && j>= 1 && cells[i+1][j-1].isEmpty()) cells[i+1][j-1].checkCell();
}
}
}
}
//////////////////////////////////////////////////////////////////////////////////
public int getID(){
int id = cellID;
cellID++;
return id;
}
public Cell getCell(int id){
for(Cell[] a : cells){
for(Cell b : a){
if(b.getId() == id) return b;
}
}
return null;
}
public void fail(){
for(Cell[] a : cells){
for(Cell b : a){
b.reveal();
}
}
}
}
Cell Clas:
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class Cell implements ActionListener{
private JButton button;
private Board board;
private int value;
private int id;
private boolean notChecked;
public Cell(Board board){
button = new JButton();
button.addActionListener(this);
button.setPreferredSize(new Dimension(20,20));
button.setMargin(new Insets(0,0,0,0));
this.board = board;
notChecked = true;
}
public JButton getButton() {
return button;
}
public int getValue() {
return value;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public void setValue(int value) {
this.value = value;
}
public void displayValue(){
if(value==-1){
button.setText("u2600");
button.setBackground(Color.RED);
}else if(value!=0){
button.setText(String.valueOf(value));
}
}
public void checkCell(){
button.setEnabled(false);
displayValue();
notChecked = false;
if(value == 0) board.scanForEmptyCells();
if(value == -1) board.fail();
}
public void incrementValue(){
value++;
}
public boolean isNotChecked(){
return notChecked;
}
public boolean isEmpty(){
return isNotChecked() && value==0;
}
public void reveal(){
displayValue();
button.setEnabled(false);
}
Override
public void actionPerformed(ActionEvent e) {
checkCell();
}
}
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