SoundPlayer.java

/*
 * SoundPlayer.java
 * Ingrid and Isabel Crant
 * Plays sound effects found in the Jetpack Joyride game. Loads in .wav files and plays it a certain number of times.
*/

import java.io.IOException;
import java.net.URL;
import javax.sound.sampled.*;

public class SoundPlayer {
	public static final String background = "file:./sounds/background_music.wav";
	public static final String coin = "file:./sounds/coin_pickup.wav";
	public static final String laserFiring = "file:./sounds/laser_fire_lp.wav";
	public static final String laserLoading = "file:./sounds/laser_warning.wav";
	public static final String scientistFainting = "file:./sounds/scientist_faint.wav";
	public static final String barryWalking = "file:./sounds/foot_step.wav";
	public static final String barrySliding = "file:./sounds/fall_slide.wav";
	public static final String barryHurt = "file:./sounds/player_hurt_2.wav";
	public static final String barryZapped = "file:./sounds/barry_zapped.wav";
	public static final String missileWarning = "file:./sounds/missile_warning.wav";
	public static final String missileLaunch = "file:./sounds/missile_launch.wav";

	// used to play sound effects
	// soundToPlay is a string specifying the relative path of the sound effect file

	public static void playSoundEffect(String soundToPlay, int loopNum) {
		URL soundLocation;
		try {
			soundLocation = new URL(soundToPlay);
			Clip clip = null;
			clip = AudioSystem.getClip();
			AudioInputStream inputStream;
			inputStream = AudioSystem.getAudioInputStream(soundLocation);
			clip.open(inputStream);

			if(soundToPlay == background){
				FloatControl gainControl = (FloatControl) clip.getControl(FloatControl.Type.MASTER_GAIN);
				gainControl.setValue(-3.0f); 																// reduces volume of background music by 3 decibels.
			}
            clip.loop(loopNum);													// loops the clip loopNum times
			clip.start();														// play sound
			
			clip.addLineListener(new LineListener() {							// kill sound thread
				public void update (LineEvent evt) {
					if (evt.getType() == LineEvent.Type.STOP) {
						evt.getLine().close();
					}
				}
			});
			
		} catch (LineUnavailableException | UnsupportedAudioFileException | IOException e) {
			System.out.println(e.getMessage());
		}
	}

}