Introduction to-sokoban-game-development-using-java-by-rashidul-islam

Rashidul Islam
Sokoban Game Development using Java | Rashidul Islam
SOKOBAN GAME

Rashidul Islam
Table of Contents
No Description Page
Task 1
a) The application that I produce.
1
Task 2
a)
Test data.
17
Task 3
a)
Class diagrams
19

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Task 1:
The application that I have created:
a) Class - SuitableLocation.java:
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1.) Documentation:
Constructor Summary
SuitableLocation(int i, int j)
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b) Class - Crate.java:
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1.) Documentation:
c) Class - PlayerCharacter.java:
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Constructor Summary
Crate(int i, int j)

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1.) Documentation:
sokobangame
Class PlayerCharacter
java.lang.Object
sokobangame.User
sokobangame.PlayerCharacter
public class PlayerCharacterextends sokobangame.User
Constructor Summary
PlayerCharacter(int i, int j)

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d) Class - Obstacle.java:
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1.) Documentation:
Constructor Summary
Obstacle(int i, int j)

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e) Class - User.java:

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1.) Documentation:
Constructor Summary
User(int x, int y)
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f) Class - Panel.java:
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package sokobangame;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
/**import java.awt.event.ActionEvent;*/
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.util.ArrayList;
import javax.swing.JButton;
import javax.swing.JPanel;
/**
*
*
* @author (Md. )
* @version (09/11/12)
*/

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public class Panel extends JPanel {
/**
*
*/
// instance variables
//Attributes: instance variables of an object
/**
* Constructor for objects of class Panel
*/
private static final long serialVersionUID = 1L;
private final int OFFSET = 30;
private JButton btn1; /*type: JButton, variable: btn1 */
private JButton btn2;
//private JButton btnQuit;
private final int SPACE = 20;
private final int LEFT_COLLISION = 1;
private final int RIGHT_COLLISION = 2;
private final int TOP_COLLISION = 3;
private final int BOTTOM_COLLISION = 4;
private ArrayList<Obstacle> obs = new ArrayList<Obstacle>();
private ArrayList<Crate> crates = new ArrayList<Crate>();

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private ArrayList<SuitableLocation> SuitLo = new
ArrayList<SuitableLocation>();
private PlayerCharacter PlayerChar;
private int w = 0;
private int h = 0;
private boolean solved = false;
private String stage =
" ######n"
+ " ## #n"
+ " ##$ #n"
+ " #### $##n"
+ " ## $ $ #n"
+ "#### # ## # ######n"
+ "## # ## ##### ..#n"
+ "## $ $ ..#n"
+ "###### ### #@## ..#n"
+ " ## #########n"
+ " ########n";
public Panel() {
// initialise instance variables
addKeyListener(new TAdapter());
setFocusable(true);
initWorld();
}
/**
*/
public int getBoardWidth() {
return this.w;
}
public int getBoardHeight() {
return this.h;
}

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public final void initWorld() {
btn1 = new JButton("Level1");
btn1.setBounds(10000, 1000, 200, 50);
this.add(btn1);
Font f = new Font("Courier New",
Font.LAYOUT_LEFT_TO_RIGHT,24);
btn1.setFont(f);
btn2.setBounds(10000, 1055, 200, 50);
this.add(btn2);
Font g = new Font("Monospaced",
btn2.setFont(g);
btn3.setBounds(10000, 1110, 200, 50);
this.add(btn3);
Font n = new Font("Monospaced",
btn3.setFont(n);
btn4.setBounds(500, 1165, 200, 50);
this.add(btn4);
Font m = new Font("Monospaced",
btn4.setFont(m);
btn5.setBounds(500, 1220, 200, 50);
this.add(btn5);
Font j = new Font("Monospaced",
btn5.setFont(j);
btn6 = new JButton("Steps");

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btn6.setBounds(500, 1275, 200, 50);
this.add(btn6);
Font k = new Font("Courier New",
btn6.setFont(k);
btn7 = new JButton("Exit");
btn7.setBounds(500, 1330, 200, 50);
this.add(btn7);
Font l = new Font("Courier New",
btn7.setFont(l);
/**btnQuit = new JButton("Quit");
btnQuit.setBounds(440, 380, 100, 50);
btnQuit.setFont(f);
btnQuit.addActionListener(this);
this.add(btnQuit);
this.setVisible(true);*/
/**public void actionPerformed(ActionEvent e)
{
if (e.getSource() == btnQuit)
System.exit(0);
}*/
int x = OFFSET;
int y = OFFSET;
Obstacle wall;
Crate b;
SuitableLocation a;
for (int i = 0; i < stage.length(); i++) {
char item = stage.charAt(i);
if (item == 'n') {

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y += SPACE;
if (this.w < x) {
this.w = x;
}
x = OFFSET;
} else if (item == '#') {
wall = new Obstacle(x, y);
obs.add(wall);
x += SPACE;
} else if (item == '$') {
b = new Crate(x, y);
crates.add(b);
x += SPACE;
} else if (item == '.') {
a = new SuitableLocation(x, y);
SuitLo.add(a);
x += SPACE;
} else if (item == '@') {
PlayerChar = new PlayerCharacter(x, y);
x += SPACE;
} else if (item == ' ') {
x += SPACE;
}
h = y;
}
}
public void buildWorld(Graphics g) {
g.setColor(new Color(0, 108, 209));
g.fillRect(0, 0, this.getWidth(), this.getHeight());
ArrayList<User> world = new ArrayList<User>();
world.addAll(obs);
world.addAll(SuitLo);
world.addAll(crates);
world.add(PlayerChar);

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for (int i = 0; i < world.size(); i++) {
User item = (User) world.get(i);
if ((item instanceof PlayerCharacter)
|| (item instanceof Crate)) {
g.drawImage(item.getImage(), item.x() + 2, item.y() + 2, this);
} else {
g.drawImage(item.getImage(), item.x(), item.y(), this);
}
if (solved) {
g.setColor(new Color(255,255,255));
g.drawString("The level has been solved!", 25, 20);
Font f = new Font("Courier New", Font.BOLD,14);
setFont(f);
}
}
}
@Override
public void paint(Graphics g) {
super.paint(g);
buildWorld(g);
}
class TAdapter extends KeyAdapter {
@Override
public void keyPressed(KeyEvent e) {
if (solved) {
return;
}
int key = e.getKeyCode();

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if (key == KeyEvent.VK_LEFT) {
if (checkWallCollision(PlayerChar,
LEFT_COLLISION)) {
return;
}
if (checkBagCollision(LEFT_COLLISION)) {
return;
}
PlayerChar.move(-SPACE, 0);
} else if (key == KeyEvent.VK_RIGHT) {
RIGHT_COLLISION)) {
return;
}
if (checkBagCollision(RIGHT_COLLISION)) {
return;
}
PlayerChar.move(SPACE, 0);
} else if (key == KeyEvent.VK_UP) {
TOP_COLLISION)) {
return;
}
if (checkBagCollision(TOP_COLLISION)) {
return;
}
PlayerChar.move(0, -SPACE);

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} else if (key == KeyEvent.VK_DOWN) {
BOTTOM_COLLISION)) {
return;
}
if (checkBagCollision(BOTTOM_COLLISION)) {
return;
}
PlayerChar.move(0, SPACE);
} else if (key == KeyEvent.VK_R) {
restartStage();
}
repaint();
}
}
private boolean checkWallCollision(User actor, int type) {
if (type == LEFT_COLLISION) {
for (int i = 0; i < obs.size(); i++) {
Obstacle wall = (Obstacle) obs.get(i);
if (actor.isLeftCollision(wall)) {
return true;
}
}
return false;
} else if (type == RIGHT_COLLISION) {
if (actor.isRightCollision(wall)) {

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return true;
}
}
return false;
} else if (type == TOP_COLLISION) {
if (actor.isTopCollision(wall)) {
return true;
}
}
return false;
} else if (type == BOTTOM_COLLISION) {
if (actor.isBottomCollision(wall)) {
return true;
}
}
return false;
}
return false;
}
private boolean checkBagCollision(int type) {
if (type == LEFT_COLLISION) {
for (int i = 0; i < crates.size(); i++) {
Crate bag = (Crate) crates.get(i);
if (PlayerChar.isLeftCollision(bag)) {
for (int j=0; j < crates.size(); j++) {
Crate item = (Crate) crates.get(j);

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if (!bag.equals(item)) {
if (bag.isLeftCollision(item)) {
return true;
}
}
if (checkWallCollision(bag,
LEFT_COLLISION)) {
return true;
}
}
bag.move(-SPACE, 0);
isSolved();
}
}
return false;
} else if (type == RIGHT_COLLISION) {
if (PlayerChar.isRightCollision(bag)) {
for (int j=0; j < crates.size(); j++) {
if (bag.isRightCollision(item)) {
return true;
}
}
RIGHT_COLLISION)) {
return true;
}
}
bag.move(SPACE, 0);
isSolved();
}
}

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return false;
} else if (type == TOP_COLLISION) {
if (PlayerChar.isTopCollision(bag)) {
for (int j = 0; j < crates.size(); j++) {
if (bag.isTopCollision(item)) {
return true;
}
}
TOP_COLLISION)) {
return true;
}
}
bag.move(0, -SPACE);
isSolved();
}
}
return false;
} else if (type == BOTTOM_COLLISION) {
if (PlayerChar.isBottomCollision(bag)) {
for (int j = 0; j < crates.size(); j++) {
if (bag.isBottomCollision(item)) {

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return true;
}
}
BOTTOM_COLLISION)) {
return true;
}
}
bag.move(0, SPACE);
isSolved();
}
}
}
return false;
}
public void isSolved() {
int num = crates.size();
int compl = 0;
for (int i = 0; i < num; i++) {
for (int j = 0; j < num; j++) {
SuitableLocation area = (SuitableLocation) SuitLo.get(j);
if (bag.x() == area.x()
&& bag.y() == area.y()) {
compl += 1;
}
}
}
if (compl == num) {
solved = true;
repaint();
}
}

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public void restartStage() {
SuitLo.clear();
crates.clear();
obs.clear();
initWorld();
if (solved) {
solved = false;
}
}
}
1.) Documentation:
Constructor Summary
Panel()
g) Class - Game.java:
---------------------------------------------------------------------------

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1.) Documentation:
Constructor Summary
Game()
private JButton btn1; private JButton btn2; private JButton btn3;
private JButton btn4; private JButton btn5; private JButton btn6; private
JButton btn7;
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Task 2:
Test data:
a) Full Testing Plan:
It’s important that tests are described fully before they are carried out.
Anyone carrying out a test without first describing the expected outcome is
not testing, but experimenting.
My testing plan includes:
 The identity of the component to be tested.
 The purpose of the test.
 The condition under which the test is to be carried out.
 The expected outcome.
b) Why I chose the testing data:

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Because I think:
 The testing data is representative of other data.
 These were the best suitable test data where errors are particularly
likely to happen.
c) What testing categories you are stressing in your regime:
We need a structured approach to testing. These are the testing categories
that I am stressing in my regime:
 I am going to decide on a set of test data.
 I am going to record the expected results and the actual results.
d) Full log of how I implemented the testing:
e) What regression testing I needed to do as a result of fixes:

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1. Testing :
a. For Public class User (User.java) (Lines 13-15):
case Line
No.
Data
Type
i j x y Constructor Expected(i,j) Actual(i,j)
1 13 int 0 0 Public User()
14 int x 0 0 Public User() (X, -) (X, -)
15 int y 0 0 Public User() (x, y) (x, y)
b. For Public class User (User.java) (Lines 18-19):
case Line No. Data Type Method Expected Actual
2 18 Image(pic) java.awt.Image
getImage()
18. a. Image(pic) java.awt.Image
getImage()
pic pic
19 Image(pic) java.awt.Image
getImage()
pic pic
c. For Public class User (User.java) (Lines 20-21):
cas
e
Lin
e
No.
Data Type Method Expected(i
n pic)
Actual(i
n pic)
3 20 Image(im
g)
Void
setImage(java.awt.Image i
mg)
20.
a.
Image(im
g)
Void
mg)
img img
21 Image(im
g)
Void
mg)
img img
d. For Public class User (User.java) (Lines 22-23):

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case Line
No.
Data Type Method Expected Actual
4 22 int Int x()
22.
a.
int Int x() i i
23 int Int x() i i
e. For Public class User (User.java) (Lines 24-25):
case Line
No.
5 24 int Int y()
24.
a.
int Int y() j j
25 int Int y() j j
f. For Public class User (User.java) (Lines 26-27):
case Line
No.
Data Type Method Expected
(in i)
Actual
(in i)
6 26 int(x) void setX(int x)
26.
a.
int(x) void setX(int x) x x
27 int(x) void setX(int x) x x
g. For Public class User (User.java) (Lines 26-27):

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case Line
No.
Data Type Method Expected
(in j)
Actual
(inj)
7 26 int(y) void setY(int x)
26.
a.
int(y) void setY(int x) y y
27 int(y) void setY(int x) y y
h. For Public class User (User.java) (Lines 30-31):
case Line
No.
8 30 User(actor) boolean
isLeftCollision(User actor)
- -
30.
a.
User(actor) boolean
true true
30.
b.
User(actor) boolean
true true
30.
c.
User(actor) boolean
false false
31 User(actor) boolean
false false
i. For Public class User (User.java) (Lines 32-33):

Rashidul Islam
case Line
No.
isRightCollision(User actor)
- -
32.
a.
User(actor) boolean
true true
32.
b.
User(actor) boolean
true true
32.
c.
User(actor) boolean
false false
false false
j. For Public class User (User.java) (Lines 34-35):
case Line
No.
isTopCollision(User actor)
- -
34.
a.
User(actor) boolean
true true
34.
b.
User(actor) boolean
true true
34.
c.
User(actor) boolean
false false
false false
k. For Public class User (User.java) (Lines 36-37):
cas
e
Lin
e
Data Type Method Expecte
d
Actua
l

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No.
11 36 User(actor
)
boolean
isBottomCollision(User actor
)
- -
36.
a.
User(actor
)
boolean
)
true true
36.
b.
User(actor
)
boolean
)
true true
36.
c.
User(actor
)
boolean
)
false false
37 User(actor
)
boolean
)
false false

Rashidul Islam
Task 3:
Class diagrams:
a) Class Diagram:

Introduction to-sokoban-game-development-using-java-by-rashidul-islam

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Introduction to-sokoban-game-development-using-java-by-rashidul-islam