possible optimizations on wav reading

core/src/zero1hd/rhythmbullet/audio/WavAudioData.java

@@ -22,8 +22,6 @@ public class WavAudioData implements AudioData {
 		reset();
 		try {
 			decoder = new WavDecoder(file);
-			decoder.initDataStream();
-			decoder.getHeaderInfo();
 		} catch (InvalidParameterException | IOException e) {
 			// TODO Auto-generated catch block
 			e.printStackTrace();
@@ -61,7 +59,13 @@ public class WavAudioData implements AudioData {
 
 	@Override
 	public int readSamples(float[] samples) {
-		return decoder.readSamples(samples);
+		int samplesRead = 0;
+		try {
+			samplesRead = decoder.readSamples(samples);
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+		return samplesRead;
 	}
 
 	@Override

core/src/zero1hd/rhythmbullet/entity/enemies/Pellet.java

@@ -7,7 +7,6 @@ import com.badlogic.gdx.graphics.g2d.Sprite;
 import com.badlogic.gdx.utils.Pool.Poolable;
 
 import zero1hd.rhythmbullet.entity.Entity;
-import zero1hd.rhythmbullet.entity.ally.PolyjetEntity;
 
 public class Pellet extends Entity implements Poolable {