finish big refactorings
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@ -5,6 +5,8 @@ package com.example.flappybird; /**
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* @author Paul Krishnamurthy
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*/
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import com.example.flappybird.states.GameState;
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import java.awt.*;
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import java.awt.geom.AffineTransform;
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import java.awt.image.BufferedImage;
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@ -127,7 +129,7 @@ public class Bird extends HasPosition {
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} else {
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// Play audio and set state to dead
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GamePanel.audio.hit();
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GameState.audio.hit();
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isAlive = false;
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}
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@ -41,19 +41,14 @@ public class FlappyBird extends JFrame implements ActionListener {
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}
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public void actionPerformed (ActionEvent e) {
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if (game != null && game.ready) {
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game.repaint();
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}
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}
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public static void main(String[] args) {
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FlappyBird game = new FlappyBird();
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}
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}
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@ -5,6 +5,9 @@ package com.example.flappybird; /**
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* @author Paul Krishnamurthy
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*/
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import com.example.flappybird.states.GameState;
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import com.example.flappybird.states.MenuState;
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import java.awt.*;
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import java.awt.event.*;
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import javax.swing.*;
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@ -19,77 +22,30 @@ import java.awt.image.BufferedImage;
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import java.util.Calendar;
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public class GamePanel extends JPanel implements KeyListener, MouseListener {
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private Random rand;
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private Calendar cal;
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////////////////////
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// Game variables //
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////////////////////
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// Fonts
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private Font flappyFontBase,
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flappyFontReal,
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flappyScoreFont,
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flappyMiniFont = null;
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// Textures
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public static HashMap<String, Texture> textures = new Sprites().getGameTextures();
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// Moving base effect
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private static int baseSpeed = 2;
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private static int[] baseCoords = { 0, 435 };
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// Game states
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final static int MENU = 0;
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final static int GAME = 1;
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private int gameState = MENU;
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private int score; // Player score
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private int pipeDistTracker; // Distance between pipes
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private GameState gameState;
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public boolean ready = false; // If game has loaded
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private boolean inStartGameState = false; // To show instructions scren
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private Point clickedPoint = new Point(-1, -1); // Store point when player clicks
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private boolean scoreWasGreater; // If score was greater than previous highscore
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private boolean darkTheme; // Boolean to show dark or light screen
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private String randomBird; // Random bird color
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private String medal; // Medal to be awarded after each game
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public ArrayList<Pipe> pipes; // Arraylist of Pipe objects
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private Bird gameBird;
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private Highscore highscore = new Highscore();
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public static Audio audio = new Audio();
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public GamePanel () {
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setGameState(new MenuState(this));
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rand = new Random();
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// Make the panel focusable
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setFocusable(true);
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requestFocusInWindow();
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// Try to load ttf file
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try {
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InputStream is = new BufferedInputStream(this.getClass().getResourceAsStream("/res/fonts/flappy-font.ttf"));
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flappyFontBase = Font.createFont(Font.TRUETYPE_FONT, is);
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// Header and sub-header fonts
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flappyScoreFont = flappyFontBase.deriveFont(Font.PLAIN, 50);
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flappyFontReal = flappyFontBase.deriveFont(Font.PLAIN, 20);
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flappyMiniFont = flappyFontBase.deriveFont(Font.PLAIN, 15);
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} catch (Exception ex) {
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// Exit is font cannot be loaded
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ex.printStackTrace();
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System.err.println("Could not load Flappy Font!");
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System.exit(-1);
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}
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restart(); // Reset game variables
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gameState.restart(); // Reset game variables
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// Input listeners
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addKeyListener(this);
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addMouseListener(this);
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}
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public void setGameState(GameState state) {
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System.out.println("Switching to state: " + state.getClass().getName());
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this.gameState = state;
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repaint();
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}
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/**
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@ -97,417 +53,14 @@ public class GamePanel extends JPanel implements KeyListener, MouseListener {
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*/
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public void addNotify() {
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super.addNotify();
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requestFocus();
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requestFocusInWindow(); // Ensures the panel gains focus
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ready = true;
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}
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/**
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* Restarts game by resetting game variables
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*/
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public void restart () {
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// Reset game statistics
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score = 0;
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pipeDistTracker = 0;
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scoreWasGreater = false;
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// Get current hour with Calendar
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// If it is past noon, use the dark theme
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cal = Calendar.getInstance();
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int currentHour = cal.get(Calendar.HOUR_OF_DAY);
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// Array of bird colors
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String[] birds = new String[] {
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"yellow",
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"blue",
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"red"
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};
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// Set random scene assets
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darkTheme = currentHour > 12; // If we should use the dark theme
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randomBird = birds[rand.nextInt(3)]; // Random bird color
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// Game bird
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gameBird = new Bird(randomBird, 172, 250, new BufferedImage[] {
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textures.get(randomBird + "Bird1").getImage(),
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textures.get(randomBird + "Bird2").getImage(),
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textures.get(randomBird + "Bird3").getImage()
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});
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// Remove old pipes
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pipes = new ArrayList<Pipe>();
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}
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/**
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* Checks if point is in rectangle
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*
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* @param r Rectangle
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* @return Boolean if point collides with rectangle
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*/
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private boolean isTouching (Rectangle r) {
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return r.contains(clickedPoint);
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}
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@Override
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public void paintComponent (Graphics g) {
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super.paintComponent(g);
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// Set font and color
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g.setFont(flappyFontReal);
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g.setColor(Color.white);
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// Only move screen if bird is alive
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if (gameBird.isAlive()) {
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// Move base
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baseCoords[0] = baseCoords[0] - baseSpeed < -435 ? 435 : baseCoords[0] - baseSpeed;
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baseCoords[1] = baseCoords[1] - baseSpeed < -435 ? 435 : baseCoords[1] - baseSpeed;
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}
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// Background
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g.drawImage(darkTheme ? textures.get("background2").getImage() :
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textures.get("background1").getImage(), 0, 0, null);
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// Draw bird
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gameBird.renderBird(g);
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switch (gameState) {
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case MENU:
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drawBase(g);
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drawMenu(g);
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gameBird.menuFloat();
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break;
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case GAME:
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if (gameBird.isAlive()) {
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// Start at instructions state
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if (inStartGameState) {
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startGameScreen(g);
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} else {
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// Start game
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pipeHandler(g);
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gameBird.inGame();
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}
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drawBase(g); // Draw base over pipes
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drawScore(g, score, false, 0, 0); // Draw player score
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} else {
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pipeHandler(g);
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drawBase(g);
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// Draw game over assets
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gameOver(g);
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}
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break;
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}
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}
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/////////////////////////
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// All drawing methods //
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/////////////////////////
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/**
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* Draws a string centered based on given restrictions
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*
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* @param s String to be drawn
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* @param w Constraining width
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* @param h Constraining height
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* @param y Fixed y-coordiate
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*/
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public void drawCentered (String s, int w, int h, int y, Graphics g) {
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FontMetrics fm = g.getFontMetrics();
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// Calculate x-coordinate based on string length and width
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int x = (w - fm.stringWidth(s)) / 2;
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g.drawString(s, x, y);
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}
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/**
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* Needs to be called differently based on screen
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*/
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public void drawBase (Graphics g) {
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// Moving base effect
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g.drawImage(textures.get("base").getImage(), baseCoords[0], textures.get("base").getY(), null);
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g.drawImage(textures.get("base").getImage(), baseCoords[1], textures.get("base").getY(), null);
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}
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////////////////
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// Menuscreen //
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////////////////
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private void drawMenu (Graphics g) {
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// Title
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g.drawImage(textures.get("titleText").getImage(),
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textures.get("titleText").getX(),
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textures.get("titleText").getY(), null);
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// Buttons
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g.drawImage(textures.get("playButton").getImage(),
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textures.get("playButton").getX(),
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textures.get("playButton").getY(), null);
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g.drawImage(textures.get("leaderboard").getImage(),
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textures.get("leaderboard").getX(),
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textures.get("leaderboard").getY(), null);
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g.drawImage(textures.get("rateButton").getImage(),
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textures.get("rateButton").getX(),
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textures.get("rateButton").getY(), null);
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// Credits :p
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drawCentered("Created by Paul Krishnamurthy", FlappyBird.WIDTH, FlappyBird.HEIGHT, 600, g);
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g.setFont(flappyMiniFont); // Change font
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drawCentered("www.PaulKr.com", FlappyBird.WIDTH, FlappyBird.HEIGHT, 630, g);
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}
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/////////////////
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// Game screen //
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/////////////////
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public void startGameScreen (Graphics g) {
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// Set bird's new position
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gameBird.setGameStartPos();
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// Get ready text
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g.drawImage(textures.get("getReadyText").getImage(),
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textures.get("getReadyText").getX(),
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textures.get("getReadyText").getY(), null);
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// Instructions image
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g.drawImage(textures.get("instructions").getImage(),
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textures.get("instructions").getX(),
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textures.get("instructions").getY(), null);
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}
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/**
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* Aligns and draws score using image textures
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*
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* @param mini Boolean for drawing small or large numbers
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* @param x X-coordinate to draw for mini numbers
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*/
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public void drawScore (Graphics g, int drawNum, boolean mini, int x, int y) {
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// Char array of digits
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char[] digits = ("" + drawNum).toCharArray();
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int digitCount = digits.length;
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// Calculate width for numeric textures
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int takeUp = 0;
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for (char digit : digits) {
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// Size to add varies based on texture
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if (mini) {
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takeUp += 18;
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} else {
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takeUp += digit == '1' ? 25 : 35;
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}
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}
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// Calculate x-coordinate
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int drawScoreX = mini ? (x - takeUp) : (FlappyBird.WIDTH / 2 - takeUp / 2);
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// Draw every digit
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for (int i = 0; i < digitCount; i++) {
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g.drawImage(textures.get((mini ? "mini-score-" : "score-") + digits[i]).getImage(), drawScoreX, (mini ? y : 60), null);
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// Size to add varies based on texture
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if (mini) {
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drawScoreX += 18;
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} else {
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drawScoreX += digits[i] == '1' ? 25 : 35;
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}
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}
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}
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/**
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* Moves and repositions pipes
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*/
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public void pipeHandler (Graphics g) {
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// Decrease distance between pipes
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if (gameBird.isAlive()) {
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pipeDistTracker --;
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}
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// Initialize pipes as null
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Pipe topPipe = null;
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Pipe bottomPipe = null;
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// If there is no distance,
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// a new pipe is needed
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if (pipeDistTracker < 0) {
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// Reset distance
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pipeDistTracker = Pipe.PIPE_DISTANCE;
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for (Pipe p : pipes) {
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// If pipe is out of screen
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if (p.getX() < 0) {
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if (topPipe == null) {
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topPipe = p;
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topPipe.canAwardPoint = true;
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}
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else if (bottomPipe == null) {
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bottomPipe = p;
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topPipe.canAwardPoint = true;
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}
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}
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}
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Pipe currentPipe; // New pipe object for top and bottom pipes
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// Move and handle initial creation of top and bottom pipes
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if (topPipe == null) {
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currentPipe = new Pipe("top");
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topPipe = currentPipe;
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pipes.add(topPipe);
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} else {
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topPipe.reset();
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}
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if (bottomPipe == null) {
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currentPipe = new Pipe("bottom");
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bottomPipe = currentPipe;
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pipes.add(bottomPipe);
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// Avoid doubling points when passing initial pipes
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bottomPipe.canAwardPoint = false;
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} else {
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bottomPipe.reset();
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}
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// Set y-coordinate of bottom pipe based on
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// y-coordinate of top pipe
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bottomPipe.setY(topPipe.getY() + Pipe.PIPE_SPACING);
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}
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// Move and draw each pipe
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for (Pipe p : pipes) {
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// Move the pipe
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if (gameBird.isAlive()) {
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p.move();
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}
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// Draw the top and bottom pipes
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if (p.getY() <= 0) {
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g.drawImage(textures.get("pipe-top").getImage(), p.getX(), p.getY(), null);
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} else {
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g.drawImage(textures.get("pipe-bottom").getImage(), p.getX(), p.getY(), null);
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}
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// Check if bird hits pipes
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if (gameBird.isAlive()) {
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if (p.collide(gameBird)) {
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// Kill bird and play sound
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gameBird.kill();
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audio.hit();
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} else {
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// Checks if bird passes a pipe
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if (gameBird.getX() >= p.getX() + p.WIDTH / 2) {
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// Increase score and play sound
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if (p.canAwardPoint) {
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audio.point();
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score ++;
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p.canAwardPoint = false;
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}
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}
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}
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}
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}
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}
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public void gameOver (Graphics g) {
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// Game over text
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g.drawImage(textures.get("gameOverText").getImage(),
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textures.get("gameOverText").getX(),
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textures.get("gameOverText").getY(), null);
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// Scorecard
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g.drawImage(textures.get("scoreCard").getImage(),
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textures.get("scoreCard").getX(),
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textures.get("scoreCard").getY(), null);
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// New highscore image
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if (scoreWasGreater) {
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g.drawImage(textures.get("newHighscore").getImage(),
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textures.get("newHighscore").getX(),
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textures.get("newHighscore").getY(), null);
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}
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// Draw mini fonts for current and best scores
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drawScore(g, score, true, 303, 276);
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drawScore(g, highscore.bestScore(), true, 303, 330);
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// Handle highscore
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if (score > highscore.bestScore()) {
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// New best score
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scoreWasGreater = true;
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highscore.setNewBest(score); // Set in data file
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}
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// Medal
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if (score >= 10) { medal = "bronze"; }
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if (score >= 20) { medal = "silver"; }
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if (score >= 30) { medal = "gold"; }
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if (score >= 40) { medal = "platinum"; }
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// Only award a medal if they deserve it
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if (score > 9) {
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g.drawImage(textures.get(medal).getImage(),
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textures.get(medal).getX(),
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textures.get(medal).getY(), null);
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}
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// Buttons
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g.drawImage(textures.get("playButton").getImage(),
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textures.get("playButton").getX(),
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textures.get("playButton").getY(), null);
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g.drawImage(textures.get("leaderboard").getImage(),
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textures.get("leaderboard").getX(),
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textures.get("leaderboard").getY(), null);
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}
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public void openURL (String url) {
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try {
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if (Desktop.isDesktopSupported()) {
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Desktop.getDesktop().browse(new URI(url));
|
||||
}
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
System.out.println("Sorry could not open URL...");
|
||||
}
|
||||
|
||||
gameState.renderGameState(g);
|
||||
}
|
||||
|
||||
//////////////////////
|
||||
@ -517,32 +70,9 @@ public class GamePanel extends JPanel implements KeyListener, MouseListener {
|
||||
public void keyTyped (KeyEvent e) {}
|
||||
public void keyReleased (KeyEvent e) {}
|
||||
|
||||
public void keyPressed (KeyEvent e) {
|
||||
|
||||
int keyCode = e.getKeyCode();
|
||||
|
||||
if (gameState == MENU) {
|
||||
|
||||
// Start game on 'enter' key
|
||||
if (keyCode == KeyEvent.VK_ENTER) {
|
||||
gameState = GAME;
|
||||
inStartGameState = true;
|
||||
}
|
||||
|
||||
} else if (gameState == GAME && gameBird.isAlive()) {
|
||||
|
||||
if (keyCode == KeyEvent.VK_SPACE) {
|
||||
|
||||
// Exit instructions state
|
||||
if (inStartGameState) {
|
||||
inStartGameState = false;
|
||||
}
|
||||
|
||||
// Jump and play audio even if in instructions state
|
||||
gameBird.jump();
|
||||
audio.jump();
|
||||
}
|
||||
}
|
||||
public void keyPressed(KeyEvent e) {
|
||||
System.out.println("Key pressed: " + e.getKeyCode());
|
||||
gameState.handleKeyboardEvent(e);
|
||||
}
|
||||
|
||||
///////////////////
|
||||
@ -554,71 +84,9 @@ public class GamePanel extends JPanel implements KeyListener, MouseListener {
|
||||
public void mouseReleased (MouseEvent e) {}
|
||||
public void mouseClicked (MouseEvent e) {}
|
||||
|
||||
public void mousePressed (MouseEvent e) {
|
||||
|
||||
// Save clicked point
|
||||
clickedPoint = e.getPoint();
|
||||
|
||||
if (gameState == MENU) {
|
||||
|
||||
if (isTouching(textures.get("playButton").getRect())) {
|
||||
gameState = GAME;
|
||||
inStartGameState = true;
|
||||
|
||||
} else if (isTouching(textures.get("leaderboard").getRect())) {
|
||||
|
||||
// Dummy message
|
||||
JOptionPane.showMessageDialog(this,
|
||||
"We can't access the leaderboard right now!",
|
||||
"Oops!",
|
||||
JOptionPane.ERROR_MESSAGE);
|
||||
}
|
||||
|
||||
if (gameBird.isAlive()) {
|
||||
|
||||
if (isTouching(textures.get("rateButton").getRect())) {
|
||||
openURL("http://paulkr.com"); // Open website
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
} else if (gameState == GAME) {
|
||||
|
||||
if (gameBird.isAlive()) {
|
||||
|
||||
// Allow jump with clicks
|
||||
if (inStartGameState) {
|
||||
inStartGameState = false;
|
||||
}
|
||||
|
||||
// Jump and play sound
|
||||
gameBird.jump();
|
||||
audio.jump();
|
||||
|
||||
} else {
|
||||
|
||||
// On game over screen, allow restart and leaderboard buttons
|
||||
if (isTouching(textures.get("playButton").getRect())) {
|
||||
inStartGameState = true;
|
||||
gameState = GAME;
|
||||
restart();
|
||||
gameBird.setGameStartPos();
|
||||
|
||||
} else if (isTouching(textures.get("leaderboard").getRect())) {
|
||||
|
||||
// Dummy message
|
||||
JOptionPane.showMessageDialog(this,
|
||||
"We can't access the leaderboard right now!",
|
||||
"Oops!",
|
||||
JOptionPane.ERROR_MESSAGE);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
public void mousePressed(MouseEvent e) {
|
||||
System.out.println("Mouse clicked at: " + e.getPoint());
|
||||
gameState.handleMouseEvent(e);
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
@ -22,6 +22,7 @@ public class Highscore {
|
||||
private static final String FILE_PATH = "/res/data/highscore.dat";
|
||||
|
||||
private static final URL dataURL = Highscore.class.getResource(FILE_PATH);
|
||||
|
||||
private static final File dataFile;
|
||||
|
||||
static {
|
||||
|
||||
@ -0,0 +1,169 @@
|
||||
package com.example.flappybird.states; /**
|
||||
* GamePanel.java
|
||||
* Main game panel
|
||||
*
|
||||
* @author Paul Krishnamurthy
|
||||
*/
|
||||
|
||||
import com.example.flappybird.*;
|
||||
|
||||
import java.awt.*;
|
||||
import java.awt.event.KeyEvent;
|
||||
import java.awt.event.MouseEvent;
|
||||
import java.awt.image.BufferedImage;
|
||||
import java.io.BufferedInputStream;
|
||||
import java.io.InputStream;
|
||||
import java.net.URI;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Calendar;
|
||||
import java.util.HashMap;
|
||||
import java.util.Random;
|
||||
|
||||
public abstract class GameState {
|
||||
private final Random rand;
|
||||
|
||||
////////////////////
|
||||
// Game variables //
|
||||
////////////////////
|
||||
|
||||
// Fonts
|
||||
public static Font flappyFontBase;
|
||||
public static Font flappyFontReal;
|
||||
public static Font flappyScoreFont;
|
||||
public static Font flappyMiniFont = null;
|
||||
|
||||
public static Audio audio = new Audio();
|
||||
|
||||
// Textures
|
||||
public static HashMap<String, Texture> textures = new Sprites().getGameTextures();
|
||||
|
||||
protected static final int[] baseCoords = { 0, 435 };
|
||||
|
||||
protected int score; // Player score
|
||||
protected int pipeDistTracker; // Distance between pipes
|
||||
protected boolean inStartGameState = false; // To show instructions scren
|
||||
protected Point clickedPoint = new Point(-1, -1); // Store point when player clicks
|
||||
protected boolean scoreWasGreater; // If score was greater than previous highscore
|
||||
protected String medal; // Medal to be awarded after each game
|
||||
public static ArrayList<Pipe> pipes; // Arraylist of Pipe objects
|
||||
|
||||
protected static boolean darkTheme; // Boolean to show dark or light screen
|
||||
|
||||
protected static Bird gameBird;
|
||||
protected final static Highscore highscore = new Highscore();
|
||||
|
||||
public GamePanel gamePanel;
|
||||
|
||||
|
||||
public GameState(GamePanel panel) {
|
||||
this.gamePanel = panel;
|
||||
rand = new Random();
|
||||
|
||||
// Try to load ttf file
|
||||
try {
|
||||
InputStream is = new BufferedInputStream(this.getClass().getResourceAsStream("/res/fonts/flappy-font.ttf"));
|
||||
flappyFontBase = Font.createFont(Font.TRUETYPE_FONT, is);
|
||||
|
||||
// Header and sub-header fonts
|
||||
flappyScoreFont = flappyFontBase.deriveFont(Font.PLAIN, 50);
|
||||
flappyFontReal = flappyFontBase.deriveFont(Font.PLAIN, 20);
|
||||
flappyMiniFont = flappyFontBase.deriveFont(Font.PLAIN, 15);
|
||||
|
||||
} catch (Exception ex) {
|
||||
|
||||
// Exit is font cannot be loaded
|
||||
ex.printStackTrace();
|
||||
System.err.println("Could not load Flappy Font!");
|
||||
System.exit(-1);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Restarts game by resetting game variables
|
||||
*/
|
||||
public void restart () {
|
||||
|
||||
// Reset game statistics
|
||||
score = 0;
|
||||
pipeDistTracker = 0;
|
||||
scoreWasGreater = false;
|
||||
|
||||
// Get current hour with Calendar
|
||||
// If it is past noon, use the dark theme
|
||||
Calendar cal = Calendar.getInstance();
|
||||
int currentHour = cal.get(Calendar.HOUR_OF_DAY);
|
||||
|
||||
// Array of bird colors
|
||||
String[] birds = new String[] {
|
||||
"yellow",
|
||||
"blue",
|
||||
"red"
|
||||
};
|
||||
|
||||
// Set random scene assets
|
||||
darkTheme = currentHour > 12; // If we should use the dark theme
|
||||
// Random bird color
|
||||
String randomBird = birds[rand.nextInt(3)]; // Random bird color
|
||||
|
||||
// Game bird
|
||||
gameBird = new Bird(randomBird, 172, 250, new BufferedImage[] {
|
||||
textures.get(randomBird + "Bird1").getImage(),
|
||||
textures.get(randomBird + "Bird2").getImage(),
|
||||
textures.get(randomBird + "Bird3").getImage()
|
||||
});
|
||||
|
||||
// Remove old pipes
|
||||
pipes = new ArrayList<Pipe>();
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if point is in rectangle
|
||||
*
|
||||
* @param r Rectangle
|
||||
* @return Boolean if point collides with rectangle
|
||||
*/
|
||||
protected boolean isTouching (Rectangle r) {
|
||||
return r.contains(clickedPoint);
|
||||
}
|
||||
|
||||
public void prepareScreen(Graphics g) {
|
||||
// Set font and color
|
||||
g.setFont(flappyFontReal);
|
||||
g.setColor(Color.white);
|
||||
|
||||
// Only move screen if bird is alive
|
||||
if (gameBird.isAlive()) {
|
||||
|
||||
// Move base
|
||||
// Moving base effect
|
||||
int baseSpeed = 2;
|
||||
baseCoords[0] = baseCoords[0] - baseSpeed < -435 ? 435 : baseCoords[0] - baseSpeed;
|
||||
baseCoords[1] = baseCoords[1] - baseSpeed < -435 ? 435 : baseCoords[1] - baseSpeed;
|
||||
|
||||
}
|
||||
|
||||
// Background
|
||||
g.drawImage(darkTheme ? textures.get("background2").getImage() :
|
||||
textures.get("background1").getImage(), 0, 0, null);
|
||||
|
||||
// Draw bird
|
||||
gameBird.renderBird(g);
|
||||
}
|
||||
|
||||
public abstract void renderGameState(Graphics g);
|
||||
|
||||
/**
|
||||
* Needs to be called differently based on screen
|
||||
*/
|
||||
public void drawBase (Graphics g) {
|
||||
|
||||
// Moving base effect
|
||||
g.drawImage(textures.get("base").getImage(), baseCoords[0], textures.get("base").getY(), null);
|
||||
g.drawImage(textures.get("base").getImage(), baseCoords[1], textures.get("base").getY(), null);
|
||||
|
||||
}
|
||||
|
||||
public abstract void handleKeyboardEvent(KeyEvent e);
|
||||
public abstract void handleMouseEvent(MouseEvent e);
|
||||
}
|
||||
|
||||
@ -0,0 +1,117 @@
|
||||
package com.example.flappybird.states;
|
||||
|
||||
import com.example.flappybird.FlappyBird;
|
||||
import com.example.flappybird.GamePanel;
|
||||
|
||||
import javax.swing.*;
|
||||
import java.awt.*;
|
||||
import java.awt.event.KeyEvent;
|
||||
import java.awt.event.MouseEvent;
|
||||
import java.net.URI;
|
||||
|
||||
public class MenuState extends GameState {
|
||||
public MenuState(GamePanel panel) {
|
||||
super(panel);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void renderGameState(Graphics g) {
|
||||
prepareScreen(g);
|
||||
|
||||
drawBase(g);
|
||||
drawMenu(g);
|
||||
|
||||
gameBird.menuFloat();
|
||||
}
|
||||
|
||||
/**
|
||||
* Draws a string centered based on given restrictions
|
||||
*
|
||||
* @param s String to be drawn
|
||||
* @param w Constraining width
|
||||
* @param h Constraining height
|
||||
* @param y Fixed y-coordiate
|
||||
*/
|
||||
public void drawCentered (String s, int w, int h, int y, Graphics g) {
|
||||
FontMetrics fm = g.getFontMetrics();
|
||||
|
||||
// Calculate x-coordinate based on string length and width
|
||||
int x = (w - fm.stringWidth(s)) / 2;
|
||||
g.drawString(s, x, y);
|
||||
}
|
||||
|
||||
protected void drawMenu (Graphics g) {
|
||||
// Title
|
||||
g.drawImage(textures.get("titleText").getImage(),
|
||||
textures.get("titleText").getX(),
|
||||
textures.get("titleText").getY(), null);
|
||||
|
||||
// Buttons
|
||||
g.drawImage(textures.get("playButton").getImage(),
|
||||
textures.get("playButton").getX(),
|
||||
textures.get("playButton").getY(), null);
|
||||
g.drawImage(textures.get("leaderboard").getImage(),
|
||||
textures.get("leaderboard").getX(),
|
||||
textures.get("leaderboard").getY(), null);
|
||||
g.drawImage(textures.get("rateButton").getImage(),
|
||||
textures.get("rateButton").getX(),
|
||||
textures.get("rateButton").getY(), null);
|
||||
|
||||
// Credits :p
|
||||
drawCentered("Created by Paul Krishnamurthy", FlappyBird.WIDTH, FlappyBird.HEIGHT, 600, g);
|
||||
g.setFont(flappyMiniFont); // Change font
|
||||
drawCentered("www.PaulKr.com", FlappyBird.WIDTH, FlappyBird.HEIGHT, 630, g);
|
||||
}
|
||||
|
||||
/**
|
||||
* Tries to open the review url in default web browser
|
||||
*/
|
||||
public void openReviewUrl() {
|
||||
|
||||
try {
|
||||
if (Desktop.isDesktopSupported()) {
|
||||
Desktop.getDesktop().browse(new URI("http://paulkr.com"));
|
||||
}
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
System.out.println("Sorry could not open URL...");
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public void handleKeyboardEvent(KeyEvent e) {
|
||||
int keyCode = e.getKeyCode();
|
||||
// Start game on 'enter' key
|
||||
if (keyCode == KeyEvent.VK_ENTER) {
|
||||
gamePanel.setGameState(new PlayState(gamePanel));
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void handleMouseEvent(MouseEvent e) {
|
||||
// Save clicked point
|
||||
clickedPoint = e.getPoint();
|
||||
|
||||
if (isTouching(GameState.textures.get("playButton").getRect())) {
|
||||
gamePanel.setGameState(new PlayState(gamePanel));
|
||||
|
||||
} else if (isTouching(GameState.textures.get("leaderboard").getRect())) {
|
||||
// Dummy message
|
||||
JOptionPane.showMessageDialog(gamePanel,
|
||||
"We can't access the leaderboard right now!",
|
||||
"Oops!",
|
||||
JOptionPane.ERROR_MESSAGE);
|
||||
}
|
||||
|
||||
Rectangle rect = GameState.textures.get("playButton").getRect();
|
||||
System.out.println("Texture Rect: x=" + rect.getX() + ", y=" + rect.getY() +
|
||||
", width=" + rect.getWidth() + ", height=" + rect.getHeight());
|
||||
|
||||
if (gameBird.isAlive()) {
|
||||
if (isTouching(textures.get("rateButton").getRect())) {
|
||||
openReviewUrl(); // Open website
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,318 @@
|
||||
package com.example.flappybird.states;
|
||||
|
||||
import com.example.flappybird.FlappyBird;
|
||||
import com.example.flappybird.GamePanel;
|
||||
import com.example.flappybird.Pipe;
|
||||
|
||||
import javax.swing.*;
|
||||
import java.awt.*;
|
||||
import java.awt.event.KeyEvent;
|
||||
import java.awt.event.MouseEvent;
|
||||
|
||||
public class PlayState extends GameState {
|
||||
|
||||
public PlayState(GamePanel panel) {
|
||||
super(panel);
|
||||
}
|
||||
|
||||
public void startGameScreen (Graphics g) {
|
||||
|
||||
// Set bird's new position
|
||||
gameBird.setGameStartPos();
|
||||
|
||||
// Get ready text
|
||||
g.drawImage(textures.get("getReadyText").getImage(),
|
||||
textures.get("getReadyText").getX(),
|
||||
textures.get("getReadyText").getY(), null);
|
||||
|
||||
// Instructions image
|
||||
g.drawImage(textures.get("instructions").getImage(),
|
||||
textures.get("instructions").getX(),
|
||||
textures.get("instructions").getY(), null);
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Aligns and draws score using image textures
|
||||
*
|
||||
* @param mini Boolean for drawing small or large numbers
|
||||
* @param x X-coordinate to draw for mini numbers
|
||||
*/
|
||||
public void drawScore (Graphics g, int drawNum, boolean mini, int x, int y) {
|
||||
|
||||
// Char array of digits
|
||||
char[] digits = ("" + drawNum).toCharArray();
|
||||
|
||||
int digitCount = digits.length;
|
||||
|
||||
// Calculate width for numeric textures
|
||||
int takeUp = 0;
|
||||
for (char digit : digits) {
|
||||
|
||||
// Size to add varies based on texture
|
||||
if (mini) {
|
||||
takeUp += 18;
|
||||
} else {
|
||||
takeUp += digit == '1' ? 25 : 35;
|
||||
}
|
||||
}
|
||||
|
||||
// Calculate x-coordinate
|
||||
int drawScoreX = mini ? (x - takeUp) : (FlappyBird.WIDTH / 2 - takeUp / 2);
|
||||
|
||||
// Draw every digit
|
||||
for (int i = 0; i < digitCount; i++) {
|
||||
g.drawImage(textures.get((mini ? "mini-score-" : "score-") + digits[i]).getImage(), drawScoreX, (mini ? y : 60), null);
|
||||
|
||||
// Size to add varies based on texture
|
||||
if (mini) {
|
||||
drawScoreX += 18;
|
||||
} else {
|
||||
drawScoreX += digits[i] == '1' ? 25 : 35;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Moves and repositions pipes
|
||||
*/
|
||||
public void pipeHandler (Graphics g) {
|
||||
|
||||
// Decrease distance between pipes
|
||||
if (gameBird.isAlive()) {
|
||||
pipeDistTracker --;
|
||||
}
|
||||
|
||||
// Initialize pipes as null
|
||||
Pipe topPipe = null;
|
||||
Pipe bottomPipe = null;
|
||||
|
||||
// If there is no distance,
|
||||
// a new pipe is needed
|
||||
if (pipeDistTracker < 0) {
|
||||
|
||||
// Reset distance
|
||||
pipeDistTracker = Pipe.PIPE_DISTANCE;
|
||||
|
||||
for (Pipe p : pipes) {
|
||||
|
||||
// If pipe is out of screen
|
||||
if (p.getX() < 0) {
|
||||
if (topPipe == null) {
|
||||
topPipe = p;
|
||||
topPipe.canAwardPoint = true;
|
||||
}
|
||||
else if (bottomPipe == null) {
|
||||
bottomPipe = p;
|
||||
topPipe.canAwardPoint = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Pipe currentPipe; // New pipe object for top and bottom pipes
|
||||
|
||||
// Move and handle initial creation of top and bottom pipes
|
||||
|
||||
if (topPipe == null) {
|
||||
currentPipe = new Pipe("top");
|
||||
topPipe = currentPipe;
|
||||
pipes.add(topPipe);
|
||||
} else {
|
||||
topPipe.reset();
|
||||
}
|
||||
|
||||
if (bottomPipe == null) {
|
||||
currentPipe = new Pipe("bottom");
|
||||
bottomPipe = currentPipe;
|
||||
pipes.add(bottomPipe);
|
||||
|
||||
// Avoid doubling points when passing initial pipes
|
||||
bottomPipe.canAwardPoint = false;
|
||||
} else {
|
||||
bottomPipe.reset();
|
||||
}
|
||||
|
||||
// Set y-coordinate of bottom pipe based on
|
||||
// y-coordinate of top pipe
|
||||
bottomPipe.setY(topPipe.getY() + Pipe.PIPE_SPACING);
|
||||
|
||||
}
|
||||
|
||||
// Move and draw each pipe
|
||||
|
||||
for (Pipe p : pipes) {
|
||||
|
||||
// Move the pipe
|
||||
if (gameBird.isAlive()) {
|
||||
p.move();
|
||||
}
|
||||
|
||||
// Draw the top and bottom pipes
|
||||
if (p.getY() <= 0) {
|
||||
g.drawImage(textures.get("pipe-top").getImage(), p.getX(), p.getY(), null);
|
||||
} else {
|
||||
g.drawImage(textures.get("pipe-bottom").getImage(), p.getX(), p.getY(), null);
|
||||
}
|
||||
|
||||
// Check if bird hits pipes
|
||||
if (gameBird.isAlive()) {
|
||||
if (p.collide(gameBird)) {
|
||||
// Kill bird and play sound
|
||||
gameBird.kill();
|
||||
audio.hit();
|
||||
} else {
|
||||
|
||||
// Checks if bird passes a pipe
|
||||
if (gameBird.getX() >= p.getX() + p.WIDTH / 2) {
|
||||
|
||||
// Increase score and play sound
|
||||
if (p.canAwardPoint) {
|
||||
audio.point();
|
||||
score ++;
|
||||
p.canAwardPoint = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public void gameOver (Graphics g) {
|
||||
|
||||
// Game over text
|
||||
g.drawImage(textures.get("gameOverText").getImage(),
|
||||
textures.get("gameOverText").getX(),
|
||||
textures.get("gameOverText").getY(), null);
|
||||
|
||||
// Scorecard
|
||||
g.drawImage(textures.get("scoreCard").getImage(),
|
||||
textures.get("scoreCard").getX(),
|
||||
textures.get("scoreCard").getY(), null);
|
||||
|
||||
// New highscore image
|
||||
if (scoreWasGreater) {
|
||||
g.drawImage(textures.get("newHighscore").getImage(),
|
||||
textures.get("newHighscore").getX(),
|
||||
textures.get("newHighscore").getY(), null);
|
||||
}
|
||||
|
||||
// Draw mini fonts for current and best scores
|
||||
drawScore(g, score, true, 303, 276);
|
||||
drawScore(g, highscore.bestScore(), true, 303, 330);
|
||||
|
||||
// Handle highscore
|
||||
if (score > highscore.bestScore()) {
|
||||
|
||||
// New best score
|
||||
scoreWasGreater = true;
|
||||
highscore.setNewBest(score); // Set in data file
|
||||
}
|
||||
|
||||
// Medal
|
||||
if (score >= 10) { medal = "bronze"; }
|
||||
if (score >= 20) { medal = "silver"; }
|
||||
if (score >= 30) { medal = "gold"; }
|
||||
if (score >= 40) { medal = "platinum"; }
|
||||
|
||||
// Only award a medal if they deserve it
|
||||
if (score > 9) {
|
||||
g.drawImage(textures.get(medal).getImage(),
|
||||
textures.get(medal).getX(),
|
||||
textures.get(medal).getY(), null);
|
||||
}
|
||||
|
||||
// Buttons
|
||||
g.drawImage(textures.get("playButton").getImage(),
|
||||
textures.get("playButton").getX(),
|
||||
textures.get("playButton").getY(), null);
|
||||
g.drawImage(textures.get("leaderboard").getImage(),
|
||||
textures.get("leaderboard").getX(),
|
||||
textures.get("leaderboard").getY(), null);
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public void renderGameState(Graphics g) {
|
||||
prepareScreen(g);
|
||||
|
||||
if (gameBird.isAlive()) {
|
||||
|
||||
// Start at instructions state
|
||||
if (inStartGameState) {
|
||||
startGameScreen(g);
|
||||
|
||||
} else {
|
||||
// Start game
|
||||
pipeHandler(g);
|
||||
gameBird.inGame();
|
||||
}
|
||||
|
||||
drawBase(g); // Draw base over pipes
|
||||
drawScore(g, score, false, 0, 0); // Draw player score
|
||||
|
||||
} else {
|
||||
|
||||
pipeHandler(g);
|
||||
drawBase(g);
|
||||
|
||||
// Draw game over assets
|
||||
gameOver(g);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void handleKeyboardEvent(KeyEvent e) {
|
||||
int keyCode = e.getKeyCode();
|
||||
if (gameBird.isAlive()) {
|
||||
if (keyCode == KeyEvent.VK_SPACE) {
|
||||
|
||||
// Exit instructions state
|
||||
if (inStartGameState) {
|
||||
inStartGameState = false;
|
||||
}
|
||||
|
||||
// Jump and play audio even if in instructions state
|
||||
gameBird.jump();
|
||||
audio.jump();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void handleMouseEvent(MouseEvent e) {
|
||||
// Save clicked point
|
||||
clickedPoint = e.getPoint();
|
||||
|
||||
if (gameBird.isAlive()) {
|
||||
|
||||
// Allow jump with clicks
|
||||
if (inStartGameState) {
|
||||
inStartGameState = false;
|
||||
}
|
||||
|
||||
// Jump and play sound
|
||||
gameBird.jump();
|
||||
audio.jump();
|
||||
|
||||
} else {
|
||||
|
||||
// On game over screen, allow restart and leaderboard buttons
|
||||
if (isTouching(textures.get("playButton").getRect())) {
|
||||
inStartGameState = true;
|
||||
gamePanel.setGameState(new PlayState(gamePanel));
|
||||
restart();
|
||||
gameBird.setGameStartPos();
|
||||
|
||||
} else if (isTouching(textures.get("leaderboard").getRect())) {
|
||||
|
||||
// Dummy message
|
||||
JOptionPane.showMessageDialog(gamePanel,
|
||||
"We can't access the leaderboard right now!",
|
||||
"Oops!",
|
||||
JOptionPane.ERROR_MESSAGE);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user