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Game.java
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Game.java
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/*
* File: Game.java
* Author: Luke S. Snyder
* UA ID: 010691128
*/
import javax.imageio.ImageIO;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Image;
import javax.swing.JPanel;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.io.File;
import java.io.IOException;
import javax.swing.Timer;
import java.awt.event.ActionEvent;
@SuppressWarnings("serial")
public class Game extends JFrame implements ActionListener
{
private Controller controller;
private Model model;
private Player player;
private Timer timer;
private JMenuBar menuBar;
public enum State {
Starting, Loading, Running, Paused, Death, Victory
};
private static State state;
private static String phase = "";
private boolean isStartup = true;
private class MyPanel extends JPanel
{
Image bg;
Controller controller;
MyPanel(Controller c)
{
controller = c;
addMouseListener(controller);
try
{
bg = ImageIO.read(new File("background.png"));
}
catch (IOException ioe)
{
System.out.println("Unable to load background image file.");
}
}
@Override
public void paintComponent(Graphics g)
{
// Starting game screen.
if (getGameState() == State.Starting)
{
g.drawImage(bg, 0, 0, getWidth(), getHeight(), this);
Font font = new Font("arial", Font.BOLD, 100);
g.setFont(font);
g.setColor(Color.white);
g.drawString("SPACE", 350, 300);
g.drawString("ADVENTURE", 200, 400);
font = new Font("arial", Font.PLAIN, 30);
g.setFont(font);
g.drawString("Created by Luke S. Snyder", 335, 500);
}
else
{
g.drawImage(bg, 0, 0, getWidth(), getHeight(), this);
model.update(g);
player.updateImage(g);
Font font = new Font("arial", Font.PLAIN, 15);
g.setFont(font);
g.setColor(Color.white);
g.drawString("Press [Esc] to Pause/Resume", 20, 30);
font = new Font("arial", Font.BOLD, 20);
g.setFont(font);
g.drawString(phase, 20, 60);
// Display number of enemies killed.
if (SpawningThread.getBossState() == SpawningThread.BossState.None)
{
int enemiesKilled = Enemy.getEnemiesKilled() > SpawningThread.getTotalEnemies() ?
SpawningThread.getTotalEnemies() : Enemy.getEnemiesKilled();
g.drawString(enemiesKilled + "/" + SpawningThread.getTotalEnemies(), 20, 90);
}
// Victory game screen.
if (getGameState() == State.Victory)
{
font = new Font("arial", Font.BOLD, 100);
g.setFont(font);
g.drawString("VICTORY", 300, 400);
menuBar.getMenu(0).getItem(0).setEnabled(false);
menuBar.getMenu(0).getItem(3).setEnabled(false);
}
// Death game screen.
else if (getGameState() == State.Death)
{
font = new Font("arial", Font.BOLD, 100);
g.setFont(font);
g.drawString("GAME OVER", 200, 400);
menuBar.getMenu(0).getItem(0).setEnabled(false);
menuBar.getMenu(0).getItem(3).setEnabled(false);
}
}
revalidate();
}
}
public Game()
{
// Start game and add menu bar.
setGameState(State.Starting);
setJMenuBar(menuBar());
for (int i = 0; i < 4; ++i)
menuBar.getMenu(0).getItem(i).setEnabled(false);
player = new Player(150);
controller = new Controller(player, this);
model = new Model(player, this);
setSize(1100, 800);
getContentPane().add(new MyPanel(controller));
addKeyListener(controller);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setVisible(true);
setResizable(false);
// Initialize sprite images and start timer.
Sprite.initialize(getHeight());
timer = new Timer(5, this);
timer.start();
model.start();
}
// Initialize menu bar.
public JMenuBar menuBar()
{
menuBar = new JMenuBar();
menuBar.add(getOptionMenu());
menuBar.add(getInstructionMenu());
return menuBar;
}
public JMenu getOptionMenu()
{
JMenu optionMenu = new JMenu("Options");
optionMenu.setMnemonic(KeyEvent.VK_O);
JMenuItem item = new JMenuItem("Pause/Resume");
item.setMnemonic(KeyEvent.VK_P);
item.addActionListener(this);
optionMenu.add(item);
item = new JMenuItem("Restart Game");
item.setMnemonic(KeyEvent.VK_R);
item.addActionListener(this);
optionMenu.add(item);
item = new JMenuItem("Load Game");
item.setMnemonic(KeyEvent.VK_L);
item.addActionListener(this);
optionMenu.add(item);
item = new JMenuItem("Save Game");
item.setMnemonic(KeyEvent.VK_S);
item.addActionListener(this);
optionMenu.add(item);
optionMenu.addSeparator();
item = new JMenuItem("Exit Game");
item.setMnemonic(KeyEvent.VK_E);
item.addActionListener(this);
optionMenu.add(item);
return optionMenu;
}
public JMenu getInstructionMenu()
{
JMenu helpMenu = new JMenu("Help");
helpMenu.setMnemonic(KeyEvent.VK_H);
JMenuItem item = new JMenuItem("Instructions");
item.setMnemonic(KeyEvent.VK_I);
item.addActionListener(this);
helpMenu.add(item);
return helpMenu;
}
public void addBeam()
{
if (SpawningThread.getBossState() != SpawningThread.BossState.Loading &&
getGameState() == State.Running)
model.addBeam(player.getX() + 30, player.getY() - 20, -12);
}
public void death()
{
// To curb against both the boss and player dying
// simultaneously, if victory occurred first, don't
// claim defeat.
if (getGameState() != State.Victory)
{
setGameState(State.Death);
Sprite.setPlayerImage("explode.png");
repaint();
}
}
public void win()
{
// To curb against both the boss and player dying
// simultaneously, if death occurred first, don't
// claim victory.
if (getGameState() != State.Death)
{
setGameState(State.Victory);
Boss boss = model.getBoss();
Sprite.setBossImage("explode.png");
boss.setVelocityX(0);
boss.setVelocityY(0);
repaint();
}
}
public void actionPerformed(ActionEvent evt)
{
if (getGameState() == State.Running)
{
// Update player movement.
player.tick(this.getWidth() - 80);
repaint();
}
if (evt.getActionCommand() != null)
{
// Pause or resume game.
if ((getGameState() == State.Running || getGameState() == State.Paused) &&
evt.getActionCommand().equals("Pause/Resume"))
{
if (getGameState() == State.Running)
setGameState(State.Paused);
else
setGameState(State.Running);
}
// Exit game.
else if (evt.getActionCommand().equals("Exit Game"))
System.exit(0);
// Show instructions.
else if (evt.getActionCommand().equals("Instructions"))
{
if (getGameState() == State.Running)
{
setGameState(State.Paused);
displayInstructions();
setGameState(State.Running);
}
else
displayInstructions();
}
// Restart game.
else if (evt.getActionCommand().equals("Restart Game"))
{
setGameState(State.Starting);
for (int i = 0; i < 4; ++i)
menuBar.getMenu(0).getItem(i).setEnabled(false);
repaint();
model.end();
setIsStartup(true);
SpawningThread.setPhaseLocation("Phase One Beginning");
model.start();
}
else if (evt.getActionCommand().equals("Load Game"))
loadGame();
else if (evt.getActionCommand().equals("Save Game"))
saveGame();
}
}
public void loadGame()
{
boolean didSucceed = false;
State initialState = getGameState();
if (getGameState() == State.Running)
setGameState(State.Paused);
// Get file name.
String name = JOptionPane.showInputDialog("Please enter the name of the saved game "
+ "you would\nlike to load (please do not include a file extension):");
while (name != null && name.equals(""))
name = JOptionPane.showInputDialog("Please enter a non-empty name:");
if (name != null)
{
if (initialState == State.Victory || initialState == State.Death)
setGameState(State.Paused);
if (model.readGameFromFile(name))
{
// End current threads, copy loaded game sprites, and restart.
didSucceed = true;
setGameState(State.Loading);
model.end();
setGameState(State.Paused);
model.copy();
JOptionPane.showMessageDialog(null, "Game successfully loaded.");
// Enable menu options in case they were disabled from a previous death.
menuBar.getMenu(0).getItem(0).setEnabled(true);
menuBar.getMenu(0).getItem(3).setEnabled(true);
repaint();
model.start();
}
}
// Restore game state if game load was unsuccessful.
if (initialState == State.Running && !didSucceed)
setGameState(State.Running);
else if (initialState == State.Death && !didSucceed)
setGameState(State.Death);
else if (initialState == State.Victory && !didSucceed)
setGameState(State.Victory);
}
public void saveGame()
{
State initialState = getGameState();
if (getGameState() == State.Running)
setGameState(State.Paused);
// Get name of saved game.
String name = JOptionPane.showInputDialog("What would you like to name the saved game"
+ "\n(please do not include a file extension)?");
while (name != null && name.equals(""))
name = JOptionPane.showInputDialog("Please enter a non-empty name:");
if (name != null)
if (model.writeGameToFile(name))
JOptionPane.showMessageDialog(null, "Game successfully saved.");
if (initialState == State.Running)
setGameState(State.Running);
}
public void displayInstructions()
{
String instructions = "The goal of Space Adventure is to destroy a certain number of enemy vessels in\n"
+ "each of the first three phases. The required number is displayed in the top\n"
+ "left corner of the screen. In the final phase, the boss ship must be destroyed\n"
+ "to claim your victory.\n\nYour health, which is shown in the top right corner "
+ "of the screen, is reduced any time\nan enemy vessel or enemy projectile "
+ "comes in contact with your ship. On your ship's\ntenth collision, your health "
+ "will be reduced to zero, and your ship will explode.\n\nControls:\n1. Ship "
+ "movement: Keys A/D or left arrow/right arrow to move left or right, respectively.\n"
+ "2. Projectiles: Spacebar or left mouse click to fire a beam.\n\n"
+ "NOTE: When a game is loaded, it will automatically be in a paused state.\n"
+ "Thus, you must press the resume button to continue gameplay.";
JOptionPane.showMessageDialog(null, instructions);
}
// Getters and setters.
public static void setPhase(String phase)
{
if (getGameState() == State.Running || getGameState() == State.Paused)
Game.phase = phase;
}
public static String getPhase()
{
return phase;
}
static synchronized void setGameState(State state)
{
Game.state = state;
}
static synchronized State getGameState()
{
return state;
}
public synchronized boolean getIsStartup()
{
return isStartup;
}
public synchronized void setIsStartup(boolean isStartup)
{
this.isStartup = isStartup;
}
public JMenuBar getJMenuBar()
{
return menuBar;
}
// Main.
public static void main(String[] args) throws Exception
{
new Game();
}
}