v0.8.2: added delayed SFX functionality, used it to improve hit_strong

SPD-classes/src/main/java/com/watabou/noosa/Game.java

@@ -251,7 +251,8 @@ public class Game implements ApplicationListener {
 		Game.realTime = TimeUtils.millis();
 
 		inputHandler.processAllEvents();
-		
+
+		Sample.INSTANCE.update();
 		scene.update();
 		Camera.updateAll();
 	}

SPD-classes/src/main/java/com/watabou/noosa/audio/Sample.java

@@ -23,8 +23,10 @@ package com.watabou.noosa.audio;
 
 import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.audio.Sound;
+import com.watabou.noosa.Game;
 
 import java.util.HashMap;
+import java.util.HashSet;
 
 public enum Sample {
 
@@ -42,6 +44,7 @@ public enum Sample {
 		}
 		
 		ids.clear();
+		delayedSFX.clear();
 
 	}
 
@@ -104,6 +107,54 @@ public enum Sample {
 		}
 	}
 
+	private class DelayedSoundEffect{
+		Object id;
+		float delay;
+
+		float leftVol;
+		float rightVol;
+		float pitch;
+	}
+
+	private static HashSet<DelayedSoundEffect> delayedSFX = new HashSet<>();
+
+	public void playDelayed( Object id, float delay ){
+		playDelayed( id, delay, 1 );
+	}
+
+	public void playDelayed( Object id, float delay, float volume ) {
+		playDelayed( id, delay, volume, volume, 1 );
+	}
+
+	public void playDelayed( Object id, float delay, float volume, float pitch ) {
+		playDelayed( id, delay, volume, volume, pitch );
+	}
+
+	public synchronized void playDelayed( Object id, float delay, float leftVolume, float rightVolume, float pitch ) {
+		if (delay <= 0) {
+			play(id, leftVolume, rightVolume, pitch);
+			return;
+		}
+		DelayedSoundEffect sfx = new DelayedSoundEffect();
+		sfx.id = id;
+		sfx.delay = delay;
+		sfx.leftVol = leftVolume;
+		sfx.rightVol = rightVolume;
+		sfx.pitch = pitch;
+		delayedSFX.add(sfx);
+	}
+
+	public synchronized void update(){
+		if (delayedSFX.isEmpty()) return;
+		for (DelayedSoundEffect sfx : delayedSFX.toArray(new DelayedSoundEffect[0])){
+			sfx.delay -= Game.elapsed;
+			if (sfx.delay <= 0){
+				delayedSFX.remove(sfx);
+				play(sfx.id, sfx.leftVol, sfx.rightVol, sfx.pitch);
+			}
+		}
+	}
+
 	public void enable( boolean value ) {
 		enabled = value;
 	}