[EGCO213] EX.8 - SnowWhite: Listeners/Thread/Sound

// NEW VERSION

package ex8;

import java.awt.*;
import java.awt.event.*;
import java.util.Random;
import javax.swing.*;

public class SnowwhiteFrame extends JFrame {

    // components
    private JPanel contentpane;
    private JLabel drawpane;
    private JComboBox combo;
    private JToggleButton[] tb;
    private JButton moveButton, stopButton;
    private JTextField scoreText;
    private JLabel snowwhiteLabel, basketLabel;
    private ButtonGroup bgroup;
    private MySoundEffect hitSound, themeSound;

    // working variables - adjust the values as you want
    private int frameWidth = 1000, frameHeight = 650;
    private int snowwhiteWidth = 180, snowwhiteHeight = 300;
    private int snowwhiteCurX = 700, snowwhiteCurY = 250;
    private int basketWidth = 100, basketHeight = 100;
    private int basketCurX = 0, basketCurY = 0;
    private int snowwhiteSpeed = 1000, basketSpeed = 1000;
    private boolean snowwhiteLeft = true, snowwhiteMove = true, basketMove = false;
    private int score;

    private int posX, posY;

    public static void main(String[] args) {
        new SnowwhiteFrame();
    }

    //////////////////////////////////////////////////////////////////////////
    public SnowwhiteFrame() {
        setTitle("Snow White");
        setBounds(50, 50, frameWidth, frameHeight);
        setResizable(false);
        setVisible(true);
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

        // (1) Total score when closing frame : add WindowListener (anonymous class) to frame
        addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                QuickDialog.show("Final score = " + score);
            }
        });
        contentpane = (JPanel) getContentPane();
        contentpane.setLayout(new BorderLayout());
        AddComponents();
        setSnowwhiteThread();
    }

    //////////////////////////////////////////////////////////////////////////
    public void AddComponents() {
        MyImageIcon backgroundImg = new MyImageIcon("background.jpg").resize(frameWidth, frameHeight);
        MyImageIcon snowwhiteImg = new MyImageIcon("snowwhite.png").resize(snowwhiteWidth, snowwhiteHeight);
        MyImageIcon basketImg = new MyImageIcon("apple.png").resize(basketWidth, basketHeight);

        drawpane = new JLabel();
        drawpane.setIcon(backgroundImg);
        drawpane.setLayout(null);

        snowwhiteLabel = new JLabel(snowwhiteImg);
        snowwhiteLabel.setBounds(snowwhiteCurX, snowwhiteCurY, snowwhiteWidth, snowwhiteHeight);
        drawpane.add(snowwhiteLabel);

        basketLabel = new JLabel(basketImg);
        basketLabel.setBounds(basketCurX, basketCurY, basketWidth, basketHeight);
        drawpane.add(basketLabel);

        hitSound = new MySoundEffect("blip.wav");
        themeSound = new MySoundEffect("theme.wav");
        themeSound.playLoop();

        // (2) Snowwhite's speed : add ItemListener (anonymouse class) to combo
        ItemListener itemListener = new ItemListener() {
            public void itemStateChanged(ItemEvent itemEvent) {
                int state = itemEvent.getStateChange();
                if (state == ItemEvent.SELECTED) {
                    if (itemEvent.getItem() == "fast") {
                        System.out.println("select fast");
                        snowwhiteSpeed = 100;
                    } else if (itemEvent.getItem() == "medium") {
                        System.out.println("select medium");
                        snowwhiteSpeed = 500;
                    } else if (itemEvent.getItem() == "slow") {
                        System.out.println("select slow");
                        snowwhiteSpeed = 1000;
                    }

                }
            }
        };

        String[] speed = {"fast", "medium", "slow"};
        combo = new JComboBox(speed);
        combo.setSelectedIndex(1);

        combo.addItemListener(itemListener);

        // (3) Snowwhite's direction : add ItemListener (anonymouse class) to tb[i]
        ItemListener dirListener = new ItemListener() {
            public void itemStateChanged(ItemEvent itemEvent) {
                int state = itemEvent.getStateChange();
                if (state == ItemEvent.SELECTED) {
                    if (tb[0].isSelected()) {
                        System.out.println("left");
                        snowwhiteLeft = true;
                    } else if (tb[1].isSelected()) {
                        System.out.println("right");
                        snowwhiteLeft = false;
                    }
                }
            }
        };

        tb = new JToggleButton[2];
        bgroup = new ButtonGroup();
        tb[0] = new JRadioButton("Left");
        tb[0].setName("Left");
        tb[1] = new JRadioButton("Right");
        tb[1].setName("Right");
        tb[0].setSelected(true);

        for (int i = 0; i < 2; i++) {
            bgroup.add(tb[i]);
            tb[i].addItemListener(dirListener);
        }

        // (4) Basket moves : add ActionListener (anonymous class) to moveButton
        moveButton = new JButton("Move");
        moveButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                System.out.println("basket move");

                if (!basketMove) {
                    setBasketThread();
                }
                basketMove = true;
            }
        });

        // (5) Basket stops : add ActionListener (anonymous class) to stopButton
        stopButton = new JButton("Stop");
        stopButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                System.out.println("basket stop");
                basketMove = false;
            }
        });

        scoreText = new JTextField("0", 5);
        scoreText.setEditable(false);

        JPanel control = new JPanel();
        control.setBounds(0, 0, 1000, 50);
        control.add(new JLabel("Snow White Control : "));
        control.add(combo);
        control.add(tb[0]);
        control.add(tb[1]);
        control.add(new JLabel("                 "));
        control.add(new JLabel("Basket Control : "));
        control.add(moveButton);
        control.add(stopButton);
        control.add(new JLabel("                 "));
        control.add(new JLabel("Score : "));
        control.add(scoreText);
        contentpane.add(control, BorderLayout.NORTH);
        contentpane.add(drawpane, BorderLayout.CENTER);
        validate();
    }

    //////////////////////////////////////////////////////////////////////////
    public void setSnowwhiteThread() {
        Thread snowwhiteThread = new Thread() {
            public void run() {
                while (snowwhiteMove) {
                    // (6) Update Snowwhite's location
                    // System.out.println("snow moving");
                    // check bound
                    if (snowwhiteCurX + snowwhiteWidth > frameWidth) {
                        snowwhiteLabel.setBounds(snowwhiteCurX = 0, snowwhiteCurY, snowwhiteWidth, snowwhiteHeight);
                    } else if (snowwhiteCurX < 0) {
                        snowwhiteLabel.setBounds(snowwhiteCurX = frameWidth - snowwhiteWidth, snowwhiteCurY, snowwhiteWidth, snowwhiteHeight);
                    }

                    // check left right
                    if (snowwhiteLeft) {
                        snowwhiteLabel.setBounds(snowwhiteCurX -= 20, snowwhiteCurY, snowwhiteWidth, snowwhiteHeight);
                    } else {
                        snowwhiteLabel.setBounds(snowwhiteCurX += 20, snowwhiteCurY, snowwhiteWidth, snowwhiteHeight);
                    }

                    repaint();
                    collision();      // checked by either Snowwhite or basket

                    try {
                        Thread.sleep(snowwhiteSpeed);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }

                } // end while
            } // end run
        }; // end thread creation
        snowwhiteThread.start();
    }

    //////////////////////////////////////////////////////////////////////////
    public void setBasketThread() {
        Thread basketThread = new Thread() {
            public void run() {
                while (basketMove) {
                    // (7) Update basket's location

                    Random rand = new Random();
                    int randX = rand.nextInt(frameWidth - basketWidth);
                    int randY = rand.nextInt(frameHeight - basketHeight);
                    basketLabel.setBounds(basketCurX = randX, basketCurY = randY, basketWidth, basketHeight);

                    repaint();

                    try {
                        Thread.sleep(basketSpeed);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                } // end while
            } // end run
        }; // end thread creation
        basketThread.start();
    }

    //////////////////////////////////////////////////////////////////////////
    synchronized public void collision() {
        // (8) Play hit sound & update score
        if (snowwhiteLabel.getBounds().intersects(basketLabel.getBounds())) {
            if(basketCurX != posX && basketCurY != posY) {
                System.out.println("Snowwhite got apple");

                score++;
                scoreText.setText(Integer.toString(score));

                /*
            Random rand = new Random();
            int randX = rand.nextInt(frameWidth - basketWidth);
            int randY = rand.nextInt(frameHeight - basketHeight);
            basketLabel.setBounds(basketCurX = randX, basketCurY = randY, basketWidth, basketHeight);
                 */

                hitSound.playOnce();

                posX = basketCurX;
                posY = basketCurY;
            }

        }
    }
}

// quick dialog
class QuickDialog {

    public static void show(String message) {
        JOptionPane.showMessageDialog(new JFrame(), message, "Quick Dialog",
                JOptionPane.INFORMATION_MESSAGE);
    }
};

// Auxiliary class to resize image
class MyImageIcon extends ImageIcon {

    public MyImageIcon(String fname) {
        super(fname);
    }

    public MyImageIcon(Image image) {
        super(image);
    }

    public MyImageIcon resize(int width, int height) {
        Image oldimg = this.getImage();
        Image newimg = oldimg.getScaledInstance(width, height, java.awt.Image.SCALE_SMOOTH);
        return new MyImageIcon(newimg);
    }
};

// Auxiliary class to play sound effect (support .wav or .mid file)
class MySoundEffect {

    private java.applet.AudioClip audio;

    public MySoundEffect(String filename) {
        try {
            java.io.File file = new java.io.File(filename);
            audio = java.applet.Applet.newAudioClip(file.toURL());
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public void playOnce() {
        audio.play();
    }

    public void playLoop() {
        audio.loop();
    }

    public void stop() {
        audio.stop();
    }
}



// OLDER VERSION

package ex8;

import java.awt.*;
import java.awt.event.*;
import java.util.Random;
import javax.swing.*;

public class SnowwhiteFrame extends JFrame {

    // components
    private JPanel contentpane;
    private JLabel drawpane;
    private JComboBox combo;
    private JToggleButton[] tb;
    private JButton moveButton, stopButton;
    private JTextField scoreText;
    private JLabel snowwhiteLabel, basketLabel;
    private ButtonGroup bgroup;
    private MySoundEffect hitSound, themeSound;

    // working variables - adjust the values as you want
    private int frameWidth = 1000, frameHeight = 650;
    private int snowwhiteWidth = 180, snowwhiteHeight = 300;
    private int snowwhiteCurX = 700, snowwhiteCurY = 250;
    private int basketWidth = 100, basketHeight = 100;
    private int basketCurX = 0, basketCurY = 0;
    private int snowwhiteSpeed = 1000, basketSpeed = 1000;
    private boolean snowwhiteLeft = true, snowwhiteMove = true, basketMove = false;
    private int score;

    public static void main(String[] args) {
        new SnowwhiteFrame();
    }

    //////////////////////////////////////////////////////////////////////////
    public SnowwhiteFrame() {
        setTitle("Snow White");
        setBounds(50, 50, frameWidth, frameHeight);
        setResizable(false);
        setVisible(true);
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

        // (1) Total score when closing frame : add WindowListener (anonymous class) to frame
        addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                QuickDialog.show("Final score = " + score);
            }
        });
        contentpane = (JPanel) getContentPane();
        contentpane.setLayout(new BorderLayout());
        AddComponents();
        setSnowwhiteThread();
    }

    //////////////////////////////////////////////////////////////////////////
    public void AddComponents() {
        MyImageIcon backgroundImg = new MyImageIcon("background.jpg").resize(frameWidth, frameHeight);
        MyImageIcon snowwhiteImg = new MyImageIcon("snowwhite.png").resize(snowwhiteWidth, snowwhiteHeight);
        MyImageIcon basketImg = new MyImageIcon("apple.png").resize(basketWidth, basketHeight);

        drawpane = new JLabel();
        drawpane.setIcon(backgroundImg);
        drawpane.setLayout(null);

        snowwhiteLabel = new JLabel(snowwhiteImg);
        snowwhiteLabel.setBounds(snowwhiteCurX, snowwhiteCurY, snowwhiteWidth, snowwhiteHeight);
        drawpane.add(snowwhiteLabel);

        basketLabel = new JLabel(basketImg);
        basketLabel.setBounds(basketCurX, basketCurY, basketWidth, basketHeight);
        drawpane.add(basketLabel);

        hitSound = new MySoundEffect("blip.wav");
        themeSound = new MySoundEffect("theme.wav");
        themeSound.playLoop();

        // (2) Snowwhite's speed : add ItemListener (anonymouse class) to combo
        ItemListener itemListener = new ItemListener() {
            public void itemStateChanged(ItemEvent itemEvent) {
                int state = itemEvent.getStateChange();
                if (state == ItemEvent.SELECTED) {
                    if (itemEvent.getItem() == "fast") {
                        System.out.println("select fast");
                        snowwhiteSpeed = 300;
                    } else if (itemEvent.getItem() == "medium") {
                        System.out.println("select medium");
                        snowwhiteSpeed = 1000;
                    } else if (itemEvent.getItem() == "slow") {
                        System.out.println("select slow");
                        snowwhiteSpeed = 2000;
                    }

                }
            }
        };

        String[] speed = {"fast", "medium", "slow"};
        combo = new JComboBox(speed);
        combo.setSelectedIndex(1);

        combo.addItemListener(itemListener);

        // (3) Snowwhite's direction : add ItemListener (anonymouse class) to tb[i]
        ItemListener dirListener = new ItemListener() {
            public void itemStateChanged(ItemEvent itemEvent) {
                int state = itemEvent.getStateChange();
                if (state == ItemEvent.SELECTED) {
                    if (tb[0].isSelected()) {
                        System.out.println("left");
                        snowwhiteLeft = true;
                    } else if (tb[1].isSelected()) {
                        System.out.println("right");
                        snowwhiteLeft = false;
                    }
                }
            }
        };

        tb = new JToggleButton[2];
        bgroup = new ButtonGroup();
        tb[0] = new JRadioButton("Left");
        tb[0].setName("Left");
        tb[1] = new JRadioButton("Right");
        tb[1].setName("Right");
        tb[0].setSelected(true);

        for (int i = 0; i < 2; i++) {
            bgroup.add(tb[i]);
            tb[i].addItemListener(dirListener);
        }

        // (4) Basket moves : add ActionListener (anonymous class) to moveButton
        moveButton = new JButton("Move");
        moveButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                System.out.println("basket move");

                if (!basketMove) {
                    setBasketThread();
                }
                else {
                    Random rand = new Random();
                    int randX = rand.nextInt(frameWidth - basketWidth);
                    // int randY = rand.nextInt(frameHeight / 3);
                    basketLabel.setBounds(basketCurX = randX, basketCurY = 0, basketWidth, basketHeight);
                }

                basketMove = true;
            }
        });

        // (5) Basket stops : add ActionListener (anonymous class) to stopButton
        stopButton = new JButton("Stop");
        stopButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                System.out.println("basket stop");
                basketMove = false;
            }
        });

        scoreText = new JTextField("0", 5);
        scoreText.setEditable(false);

        JPanel control = new JPanel();
        control.setBounds(0, 0, 1000, 50);
        control.add(new JLabel("Snow White Control : "));
        control.add(combo);
        control.add(tb[0]);
        control.add(tb[1]);
        control.add(new JLabel("                 "));
        control.add(new JLabel("Basket Control : "));
        control.add(moveButton);
        control.add(stopButton);
        control.add(new JLabel("                 "));
        control.add(new JLabel("Score : "));
        control.add(scoreText);
        contentpane.add(control, BorderLayout.NORTH);
        contentpane.add(drawpane, BorderLayout.CENTER);
        validate();
    }

    //////////////////////////////////////////////////////////////////////////
    public void setSnowwhiteThread() {
        Thread snowwhiteThread = new Thread() {
            public void run() {
                while (snowwhiteMove) {
                    // (6) Update Snowwhite's location
                    // System.out.println("snow moving");
                    // check bound
                    if (snowwhiteCurX + snowwhiteWidth > frameWidth) {
                        snowwhiteLabel.setBounds(snowwhiteCurX = 0, snowwhiteCurY, snowwhiteWidth, snowwhiteHeight);
                    } else if (snowwhiteCurX < 0) {
                        snowwhiteLabel.setBounds(snowwhiteCurX = frameWidth - snowwhiteWidth, snowwhiteCurY, snowwhiteWidth, snowwhiteHeight);
                    }

                    // check left right
                    if (snowwhiteLeft) {
                        snowwhiteLabel.setBounds(snowwhiteCurX -= 20, snowwhiteCurY, snowwhiteWidth, snowwhiteHeight);
                    } else {
                        snowwhiteLabel.setBounds(snowwhiteCurX += 20, snowwhiteCurY, snowwhiteWidth, snowwhiteHeight);
                    }

                    repaint();
                    collision();      // checked by either Snowwhite or basket

                    try {
                        Thread.sleep(snowwhiteSpeed);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }

                } // end while
            } // end run
        }; // end thread creation
        snowwhiteThread.start();
    }

    //////////////////////////////////////////////////////////////////////////
    public void setBasketThread() {
        Thread basketThread = new Thread() {
            public void run() {
                while (basketMove) {
                    // (7) Update basket's location
                    // check bound
                    if (basketCurY + basketHeight > frameHeight) {
                        Random rand = new Random();
                        int randX = rand.nextInt(frameWidth - basketWidth);
                        // int randY = rand.nextInt(frameHeight / 3);
                        basketLabel.setBounds(basketCurX = randX, basketCurY = 0, basketWidth, basketHeight);
                    }

                    System.out.println("basket moving");
                    basketLabel.setBounds(basketCurX, basketCurY += 20, basketWidth, basketHeight);


                    repaint();

                    try {
                        Thread.sleep(basketSpeed);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                } // end while
            } // end run
        }; // end thread creation
        basketThread.start();
    }

    //////////////////////////////////////////////////////////////////////////
    synchronized public void collision() {
        // (8) Play hit sound & update score
        if (snowwhiteLabel.getBounds().intersects(basketLabel.getBounds())) {
            System.out.println("Snowwhite got apple");

            score++;
            scoreText.setText(Integer.toString(score));

            Random rand = new Random();
            int randX = rand.nextInt(frameWidth - basketWidth);
            // int randY = rand.nextInt(frameHeight / 3);
            basketLabel.setBounds(basketCurX = randX, basketCurY = 0, basketWidth, basketHeight);

            hitSound.playOnce();
        }
    }
}

// quick dialog
class QuickDialog {

    public static void show(String message) {
        JOptionPane.showMessageDialog(new JFrame(), message, "Quick Dialog",
                JOptionPane.INFORMATION_MESSAGE);
    }
};

// Auxiliary class to resize image
class MyImageIcon extends ImageIcon {

    public MyImageIcon(String fname) {
        super(fname);
    }

    public MyImageIcon(Image image) {
        super(image);
    }

    public MyImageIcon resize(int width, int height) {
        Image oldimg = this.getImage();
        Image newimg = oldimg.getScaledInstance(width, height, java.awt.Image.SCALE_SMOOTH);
        return new MyImageIcon(newimg);
    }
};

// Auxiliary class to play sound effect (support .wav or .mid file)
class MySoundEffect {

    private java.applet.AudioClip audio;

    public MySoundEffect(String filename) {
        try {
            java.io.File file = new java.io.File(filename);
            audio = java.applet.Applet.newAudioClip(file.toURL());
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public void playOnce() {
        audio.play();
    }

    public void playLoop() {
        audio.loop();
    }

    public void stop() {
        audio.stop();
    }
}