public void checkForHit() {
for (int y = 0; y < 4; y++) {
for (int x = 0; x < 10; x++) {
if (enemies[y][x].getBounds().contains(playerProjX, playerProj.getPositionY())
&& playerProj.isVisible()
&& enemies[y][x].isVisible()) {
// loop through enemies, if they have the projectile in
// them, destroy them and the shot
playerProj.setVisible(false);
score += enemies[y][x].damage();
updateLabels();
}
}
}
checkForWin();
for (int i = 0; i < projectileAmount; i++) {
if (player.getBounds().contains(enemyProjX[i], enemyProj[i].getPositionY())
&& player.isVisible()
&& enemyProj[i].isVisible()) {
enemyProj[i].setVisible(false);
player.setVisible(false);
if (lives != -1) {
livesImages[lives].setVisible(false);
} else {
// Player loses, lives = -1
loss();
}
}
}
}
public void shootProjectile() {
// called when the player shoots (presses up)
if (!playerProj.isVisible() && player.isVisible() && thereAreInvaders()) {
// Cannot shoot during win time
playerProjX = player.getPositionX() + 17;
// Center
playerProj.setPosition(playerProjX, PLAYER_START_Y);
playerProj.setLocation(playerProjX, PLAYER_START_Y);
playerProj.setVisible(true);
// Start it from they player's x, and starting y (constant)
}
// The player cannot shoot while the projectile is visible (exists)
}
public void askDifficulty() {
// hides everything but the things needed to be on the screen
started = false;
playing = false;
instructionLabel.setVisible(true);
difficultyLabel.setVisible(true);
exitButton.setVisible(true);
exitButton.setLocation((bWidth * 4) + 200, 450);
for (int i = 0; i < 4; i++) {
switch (i) {
case (0):
difficultyButton[i].setText("Easy");
break;
case (1):
difficultyButton[i].setText("Medium");
break;
case (2):
difficultyButton[i].setText("Hard");
break;
case (3):
difficultyButton[i].setText("Insane");
break;
}
difficultyButton[i].setVisible(true);
}
for (int i = 0; i < projectileAmount; i++) {
enemyProj[i].setVisible(false);
}
for (int i = 0; i < livesImages.length; i++) {
livesImages[i].setVisible(false);
}
playerLabel.setVisible(false);
scoreLabel.setVisible(false);
playerProj.setVisible(false);
resetButton.setVisible(false);
player.setVisible(false);
outcomeLabel.setVisible(false);
tickLabel.setVisible(false);
shield.setVisible(false);
ceiling.setVisible(false);
floor.setVisible(false);
for (int y = 0; y < 4; y++) {
for (int x = 0; x < 10; x++) {
enemies[y][x].setVisible(false);
}
}
}
public void start() {
// undoes all of askDifficulty()'s stuff, and starts the game
direction = 1;
for (int y = 0; y < 4; y++) {
for (int x = 0; x < 10; x++) {
enemies[y][x].setPosition(enemies[y][x].getStartX(), enemies[y][x].getStartY());
enemies[y][x].setLocation(enemies[y][x].getStartX(), enemies[y][x].getStartY());
enemies[y][x].setVisible(true);
}
}
playing = true;
started = true;
instructionLabel.setVisible(false);
difficultyLabel.setVisible(false);
// Make everything visible!
for (int i = 0; i < 4; i++) {
difficultyButton[i].setVisible(false);
}
started = true;
exitButton.setBounds(900 - 2 * bWidth, 800, bWidth, bHeight);
resetButton.setVisible(true);
exitButton.setVisible(true);
for (int i = 0; i < projectileAmount; i++) {
enemyProj[i].setVisible(false);
}
for (int i = 0; i < livesImages.length; i++) {
livesImages[i].setVisible(true);
}
playerLabel.setVisible(true);
scoreLabel.setVisible(true);
playerProj.setVisible(false);
resetButton.setVisible(true);
player.setVisible(true);
outcomeLabel.setVisible(false);
tickLabel.setVisible(true);
shield.setVisible(true);
ceiling.setVisible(true);
floor.setVisible(true);
started = true;
}
private void win() {
// Player wins!
// Make things invisible
// set labels to say they won
for (int i = 0; i < projectileAmount; i++) {
enemyProj[i].setVisible(false);
}
playerProj.setVisible(false);
won = true;
lost = false;
playing = false;
outcomeLabel.setText("You win!");
outcomeLabel.setVisible(true);
}
public void moveProjectile() {
// if the player's shot exists
if (playerProj.isVisible()) {
playerProj.setPositionY(playerProj.getPositionY() - 5);
// Move it down (higher edge of the screen)
playerProj.setLocation(playerProjX, playerProj.getPositionY());
// Check for hit
checkForHit();
}
if (playerProj.getPositionY() <= ceiling.getLocation().getY() + 5) {
playerProj.setVisible(false);
}
checkForHit();
}
private void loss() {
// Player loses, stops and makes things in/visible
// Player can restart after, does not crash
for (int y = 0; y < 4; y++) {
for (int x = 0; x < 10; x++) {
enemies[y][x].setVisible(false);
playing = false;
lost = true;
outcomeLabel.setText("You lose! gg no re");
outcomeLabel.setVisible(true);
}
}
for (int i = 0; i < projectileAmount; i++) {
enemyProj[i].setVisible(false);
}
playerProj.setVisible(false);
}
// ************ Constructor start
public SpaceInvadersPanel() {
setLayout(null);
// Used to evaluate if functions should be done, they stop null pointer
// exceptions
playing = true;
won = false;
lost = false;
difficultyLabel = new JLabel("Choose difficulty:");
difficultyLabel.setBounds(350, 350, 200, 50);
difficultyLabel.setForeground(Color.WHITE);
difficultyLabel.setVisible(true);
add(difficultyLabel);
instructionLabel = new JLabel("Use arrow keys to move and press up to shoot");
instructionLabel.setBounds(350, 300, 350, 50);
instructionLabel.setForeground(Color.WHITE);
instructionLabel.setVisible(true);
add(instructionLabel);
difficultyButton = new JButton[4];
// Array of buttons that show at start and after restart
for (int i = 0; i < 4; i++) {
difficultyButton[i] = new JButton("" + (i + 1));
difficultyButton[i].setBounds((i * bWidth) + 200, 450, bWidth, bHeight);
difficultyButton[i].setVisible(true);
difficultyButton[i].addActionListener(this);
difficultyButton[i].addKeyListener(this);
difficultyButton[i].setFocusable(false);
add(difficultyButton[i]);
}
// Not really changed
speed = 20;
ticks = 0;
velocityX = 0;
score = 0;
rand = new Random();
// Your shootything
playerProj = new PlayerProjectile(450, 700);
playerProj.setVisible(false);
add(playerProj);
// This class implements listeners, so this class has this to add to
// them
addKeyListener(this);
this.setFocusable(true);
// So players can't use tab to switch focus
this.setFocusTraversalKeysEnabled(false);
// Arrays of FUN
enemies = new InvaderEntity[10][10]; // Y < 4; X < 10
livesImages = new JLabel[3];
enemyProjX = new int[projectileAmount];
enemyProj = new InvaderProjectile[projectileAmount];
// Making projectiles...
// Not all are used, but to avoid outofbounds, the projectileAmount MUST
// be final
for (int i = 0; i < projectileAmount; i++) {
enemyProj[i] = new InvaderProjectile(200, 100);
enemyProj[i].setVisible(false);
add(enemyProj[i]);
}
// Labels for lives
for (int i = 0; i < 3; i++) {
livesImages[i] = new JLabel();
Image img = null;
try {
img = ImageIO.read(new File("player.png"));
} catch (IOException e) {
e.printStackTrace();
}
ImageIcon icon = new ImageIcon(img);
livesImages[i].setIcon(icon);
livesImages[i].setBounds((i * 40) + 70, 10, 40, 40);
livesImages[i].setVisible(false);
add(livesImages[i]);
}
tickLabel = new JLabel();
tickLabel.setForeground(Color.WHITE);
tickLabel.setBounds(450, 25, 200, 45);
tickLabel.setVisible(false);
add(tickLabel);
outcomeLabel = new JLabel();
outcomeLabel.setForeground(Color.WHITE);
outcomeLabel.setBounds(450, 450, 200, 20);
outcomeLabel.setVisible(false);
add(outcomeLabel);
scoreLabel = new JLabel();
scoreLabel.setForeground(Color.WHITE);
scoreLabel.setBounds(900 - 200, 25, 200, 45);
scoreLabel.setVisible(false);
add(scoreLabel);
shield =
new JLabel(
"------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------");
shield.setForeground(Color.BLUE);
shield.setBounds(0, 650, 900, 10);
shield.setVisible(false);
add(shield);
ceiling = new JLabel(shield.getText());
ceiling.setForeground(Color.WHITE);
ceiling.setBounds(0, 50, 900, 10);
ceiling.setVisible(false);
add(ceiling);
floor = new JLabel(shield.getText());
floor.setForeground(ceiling.getForeground());
floor.setSize(ceiling.getWidth(), ceiling.getHeight());
floor.setLocation(0, 755);
floor.setVisible(false);
add(floor);
playerLabel = new JLabel("Ships left:");
playerLabel.setForeground(Color.WHITE);
playerLabel.setBounds(0, 10, 93, 45);
playerLabel.setVisible(false);
add(playerLabel);
exitButton = new JButton("Exit");
exitButton.setBounds((bWidth * 4) + 250, 450, bWidth, bHeight);
exitButton.addActionListener(this);
exitButton.addKeyListener(this);
exitButton.setFocusable(false);
exitButton.setVisible(true);
add(exitButton);
resetButton = new JButton("Restart");
resetButton.setBounds(bWidth, 800, bWidth, bHeight);
resetButton.addActionListener(this);
resetButton.addKeyListener(this);
resetButton.setFocusable(false);
resetButton.setVisible(false);
add(resetButton);
// Make gunners and Tankers
for (int y = 0; y < 4; y++) {
for (int x = 0; x < 10; x++) {
if (y < 2) {
enemies[y][x] = new Gunner(x, y);
} else {
enemies[y][x] = new Tanker(x, y);
}
enemies[y][x].setVisible(false);
add(enemies[y][x]);
}
}
// Instantiate PlayerEntity
player = new PlayerEntity(PLAYER_START_X, PLAYER_START_Y);
player.addKeyListener(this);
player.setFocusable(false);
player.setVisible(false);
add(player);
askDifficulty();
}
@Override
public void actionPerformed(ActionEvent ae) {
// Event
cmd = ae.getActionCommand();
if (cmd.equals("Exit")) {
playing = false;
System.exit(0);
} else if (cmd.equals("Easy")) {
easy();
} else if (cmd.equals("Medium")) {
medium();
} else if (cmd.equals("Hard")) {
hard();
} else if (cmd.equals("Insane")) {
insane();
} else if (cmd.equals("Restart")) {
// Restart EVERYTHING
speed = 20;
playing = true;
won = false;
lost = false;
for (int y = 0; y < 4; y++) {
for (int x = 0; x < 10; x++) {
enemies[y][x].setLocation(enemies[y][x].getStartX(), enemies[y][x].getStartY());
enemies[y][x].setPosition(enemies[y][x].getStartX(), enemies[y][x].getStartY());
enemies[y][x].resetHealth();
enemies[y][x].setVisible(true);
}
}
for (int i = 0; i < 3; i++) {
livesImages[i].setVisible(true);
}
for (int i = 0; i < projectileAmount; i++) {
enemyProjX[i] = 0;
enemyProj[i].setPosition(0, 0);
enemyProj[i].setLocation(0, 0);
enemyProj[i].setVisible(false);
}
playerProj.setVisible(false);
playerProj.setPosition(PLAYER_START_X, PLAYER_START_Y);
playerProj.setLocation(PLAYER_START_X, PLAYER_START_Y);
outcomeLabel.setVisible(false);
velocityX = 0;
player.setLocation(PLAYER_START_X, PLAYER_START_Y);
player.getPosition().setPosition(PLAYER_START_X, PLAYER_START_Y);
playerProj.setVisible(false);
playerProjX = player.getPositionX();
player.setVisible(true);
lives = 2;
score = 0;
ticks = 0;
direction = 1;
// ask difficulty
askDifficulty();
}
}
