Include basic structure for music control and looping

Co-authored-by: r3cp3ct <45179536+r3cp3ct@users.noreply.github.com>
Co-authored-by: sigonasr2 <sigonasr2@gmail.com>

src/sig/DrawLoop.java

@@ -11,8 +11,6 @@ import sig.engine.Rectangle;
 import sig.engine.Sprite;
 import sig.engine.String;
 import sig.engine.Transform;
-import sig.map.Map;
-import sig.objects.LevelRenderer;
 
 public class DrawLoop {
     public static Panel panel;

src/sig/RabiClone.java

@@ -12,7 +12,6 @@ import java.util.List;
 
 import sig.engine.Panel;
 import sig.engine.Point;
-import sig.engine.Sound;
 import sig.engine.Transform;
 import sig.engine.objects.AnimatedObject;
 import sig.engine.objects.Object;
@@ -26,6 +25,7 @@ import sig.objects.actor.RenderedObject;
 import sig.engine.Action;
 import sig.engine.Key;
 import sig.engine.KeyBind;
+import sig.engine.MusicPlayer;
 import sig.engine.PaletteColor;
 
 import java.awt.Toolkit;
@@ -82,6 +82,8 @@ public class RabiClone{
 
 	public static RenderingHints RENDERHINTS = new RenderingHints(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF);
 
+	public static MusicPlayer MUSICPLAYER;
+
 	public static void main(String[] args) {
 		//Sound s = new Sound();
 		System.setProperty("sun.java2d.transaccel", "True");

src/sig/engine/MusicPlayer.java

@@ -0,0 +1,29 @@
+package sig.engine;
+
+import java.util.List;
+
+import javax.sound.sampled.Clip;
+import javax.sound.sampled.LineEvent;
+import javax.sound.sampled.LineListener;
+import javax.sound.sampled.LineEvent.Type;
+
+public class MusicPlayer implements LineListener{
+    public static SongThread SongThread;
+    public static List<Clip> SoundEffects;
+    public static boolean songChangeRequested=false;
+
+    public static void init() {
+        SongThread = new SongThread();
+    }
+    public static void changeMusic(Song newSong) {
+        SongThread.currentSong=newSong;
+        MusicPlayer.songChangeRequested=true;
+        SongThread.run();
+    }
+    @Override
+    public void update(LineEvent event) {
+        if (event.getType()==Type.CLOSE||event.getType()==Type.STOP) {
+            SongThread.run(); //Cause a loop so the music continues playing.
+        }
+    }
+}

src/sig/engine/Song.java

@@ -0,0 +1,22 @@
+package sig.engine;
+
+import java.io.File;
+import java.io.IOException;
+
+import javax.sound.sampled.AudioFormat;
+import javax.sound.sampled.AudioInputStream;
+import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.DataLine;
+import javax.sound.sampled.LineUnavailableException;
+import javax.sound.sampled.SourceDataLine;
+import javax.sound.sampled.UnsupportedAudioFileException;
+
+public enum Song{
+    WOOLOOKOLOGIE(new File("..","Woolookologie.wav"));
+
+    File songFile;
+
+    public Song(File f) {
+        this.songFile=songFile;
+    }
+}

src/sig/engine/SongThread.java

@@ -0,0 +1,51 @@
+package sig.engine;
+
+import java.io.IOException;
+
+import javax.sound.sampled.AudioFormat;
+import javax.sound.sampled.AudioInputStream;
+import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.DataLine;
+import javax.sound.sampled.LineUnavailableException;
+import javax.sound.sampled.SourceDataLine;
+import javax.sound.sampled.UnsupportedAudioFileException;
+
+import sig.RabiClone;
+
+public class SongThread extends Thread{
+    Song currentSong;
+    AudioInputStream audioStream;
+    AudioFormat format;
+    DataLine.Info info;
+    SourceDataLine audioLine;
+    public void run() {
+        try {
+            if (audioStream!=null) {
+                audioLine.close();
+                audioStream.close();
+                audioStream=null;
+            }
+            audioStream = AudioSystem.getAudioInputStream(audioStream);
+            format = audioStream.getFormat();
+            info = new DataLine.Info(SourceDataLine.class,format);
+            audioLine = (SourceDataLine)AudioSystem.getLine(info);
+            audioLine.addLineListener(RabiClone.MUSICPLAYER);
+            audioLine.open(format);
+            audioLine.start();
+            final int BUFFER_SIZE=4096;
+            byte[] bytesBuffer = new byte[BUFFER_SIZE];
+            int bytesRead=-1;
+            while ((bytesRead=audioStream.read(bytesBuffer))!=-1&&!MusicPlayer.songChangeRequested) {
+                audioLine.write(bytesBuffer,0,bytesRead);
+            }
+            if (!MusicPlayer.songChangeRequested) {
+                audioLine.drain();
+            } else {
+                audioLine.stop();
+                audioLine.flush();
+            }
+        } catch (IOException | UnsupportedAudioFileException | LineUnavailableException e) {
+            e.printStackTrace();
+        }
+    }
+}

src/sig/engine/Sound.java

@@ -1,39 +0,0 @@
-package sig.engine;
-
-import java.io.File;
-import java.io.IOException;
-
-import javax.sound.sampled.AudioFormat;
-import javax.sound.sampled.AudioInputStream;
-import javax.sound.sampled.AudioSystem;
-import javax.sound.sampled.DataLine;
-import javax.sound.sampled.LineUnavailableException;
-import javax.sound.sampled.SourceDataLine;
-import javax.sound.sampled.UnsupportedAudioFileException;
-
-public class Sound{
-    public Sound() {
-        try {
-            File audioFile = new File("..","Woolookologie.wav");
-            AudioInputStream audioStream = AudioSystem.getAudioInputStream(audioFile);
-            AudioFormat format = audioStream.getFormat();
-            DataLine.Info info = new DataLine.Info(SourceDataLine.class,format);
-            SourceDataLine audioLine = (SourceDataLine)AudioSystem.getLine(info);
-            audioLine.open(format);
-            audioLine.start();
-            final int BUFFER_SIZE=4096;
-            byte[] bytesBuffer = new byte[BUFFER_SIZE];
-            int bytesRead=-1;
-            while ((bytesRead=audioStream.read(bytesBuffer))!=-1) {
-                audioLine.write(bytesBuffer,0,bytesRead);
-            }
-
-            audioLine.drain();
-            audioLine.close();
-            audioStream.close();
-        } catch (UnsupportedAudioFileException | IOException | LineUnavailableException e) {
-            e.printStackTrace();
-        }
-        
-    }
-}

src/sig/objects/BunnyGirls.java

@@ -1,6 +1,5 @@
 package sig.objects;
 
-import sig.engine.Alpha;
 import sig.engine.AnimatedSprite;
 import sig.engine.Panel;
 import sig.engine.Rectangle;