Include sound engine

Co-authored-by: sigonasr2 <sigonasr2@gmail.com>

src/sig/JavaProjectTemplate.java

@@ -11,6 +11,7 @@ import sig.engine.Point;
 import sig.engine.Sprite;
 import sig.engine.Transform;
 import sig.engine.PolygonStructure;
+import sig.engine.Sound;
 
 import java.awt.event.KeyEvent;
 import java.util.List;
@@ -32,10 +33,14 @@ public class JavaProjectTemplate {
 	Player pl = new Player();
 	Sprite bookSpr = new Sprite("book.png");
 
+	Sound backgroundMusic = new Sound("battle.wav",true);
+	Sound laserShootSound = new Sound("laserShoot.wav");
+
 	public void initializeGame(){
 		//Initialize your game here.
 		game.SetBorderColor(Color.BRIGHT_BLACK);
 		game.Cursor_SetCursor(new Sprite("cursor.png"),0,0);
+		backgroundMusic.play();
 	}
 
 	public void updateGame(double fElapsedTime) {
@@ -57,6 +62,9 @@ public class JavaProjectTemplate {
 		if (Key.isHeld(KeyEvent.VK_S)) {
 			pl.y+=200*fElapsedTime;
 		}
+		if (Key.isPressed(KeyEvent.VK_SPACE)) {
+			laserShootSound.play();
+		}
 
 		if (Mouse.isPressed(2)) { //If middle click is pressed, reset the player position.
 			pl.x=pl.y=200;

src/sig/engine/Panel.java

@@ -65,6 +65,8 @@ public class Panel extends JPanel implements Runnable,KeyListener {
 	public static Panel p;
 	public static JFrame f;
 
+	List<Sound> currentlyPlayingSounds = new ArrayList<Sound>();
+
 	int ACTUAL_WINDOW_WIDTH=JavaProjectTemplate.WINDOW_WIDTH,ACTUAL_WINDOW_HEIGHT=JavaProjectTemplate.WINDOW_HEIGHT;
 	Point<Integer> vViewSize = new Point<Integer>(1,1);
 	Point<Integer> vViewPos = new Point<Integer>(1,1);

src/sig/engine/Sound.java

@@ -0,0 +1,57 @@
+package sig.engine;
+
+import java.io.File;
+import java.io.IOException;
+
+import javax.sound.sampled.AudioInputStream;
+import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.Clip;
+import javax.sound.sampled.LineUnavailableException;
+import javax.sound.sampled.UnsupportedAudioFileException;
+
+public class Sound {
+    public final static File SOUNDS_FOLDER = new File("..","sounds");
+    AudioInputStream data;
+    Clip c;
+    boolean loop;
+    public Sound(java.lang.String filename){
+        this(filename,false);
+    }
+    public Sound(java.lang.String filename,boolean loop) {
+        this.loop=loop;
+        try {
+            data=AudioSystem.getAudioInputStream(new File(SOUNDS_FOLDER.getAbsolutePath(),filename));
+            c = AudioSystem.getClip();
+            c.open(data);
+            System.out.println("Loaded sound for "+filename+".");
+        } catch (UnsupportedAudioFileException | IOException | LineUnavailableException e) {
+            e.printStackTrace();
+            System.err.println("ERROR: Failed to load sound in "+filename+".");
+        }
+    }
+    public void play(){
+        c.setFramePosition(0);
+        c.loop((loop)?Clip.LOOP_CONTINUOUSLY:0);
+    }
+    public boolean isPlaying(){
+        return c.isRunning();
+    }
+    public void unload(){
+        try {
+            c.close();
+            data.close();
+            c=null;
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+    public boolean canLoop(){
+        return loop;
+    }
+    public void setCanLoop(boolean canLoop) {
+        loop=canLoop;
+        if (c!=null) {
+            c.loop((loop)?Clip.LOOP_CONTINUOUSLY:0);
+        }
+    }
+}

src/sig/engine/Sprite.java

@@ -25,10 +25,11 @@ public class Sprite{
             this.width=img.getWidth();
             this.height=img.getHeight();
             this.img=img;
+            System.out.println("Loaded sprite for "+filename+".");
         } catch (IOException e) {
             e.printStackTrace();
+            System.err.println("ERROR: Failed to load sprite in "+filename+".");
         }
-        System.out.println("Loaded sprite for "+filename+".");
     }
 
     public BufferedImage getImg() {