fix: fix A-Bot bars to display no volume, rather than 1 single bar, on no input

source/funkin/audio/visualize/ABotVis.hx

@@ -105,7 +105,13 @@ class ABotVis extends FlxTypedSpriteGroup<FlxSprite>
 
     for (i in 0...min(group.members.length, levels.length))
     {
-      var animFrame:Int = Math.round(levels[i].value * 5);
+      var animFrame:Int = Math.round(levels[i].value * 6);
+
+      // don't display if we're at 0 volume from the level
+      group.members[i].visible = animFrame > 0;
+
+      // decrement our animFrame, so we can get a value from 0-5 for animation frames
+      animFrame -= 1;
 
       #if desktop
       // Web version scales with the Flixel volume level.

source/funkin/graphics/adobeanimate/FlxAtlasSprite.hx

@@ -210,6 +210,7 @@ class FlxAtlasSprite extends FlxAnimate
   /**
    * Returns true if the animation has finished playing.
    * Never true if animation is configured to loop.
+   * @return Whether the animation has finished playing.
    */
   public function isAnimationFinished():Bool
   {
@@ -221,6 +222,7 @@ class FlxAtlasSprite extends FlxAnimate
   /**
    * Returns true if the animation has reached the last frame.
    * Can be true even if animation is configured to loop.
+   * @return Whether the animation has reached the last frame.
    */
   public function isLoopComplete():Bool
   {
@@ -255,7 +257,7 @@ class FlxAtlasSprite extends FlxAnimate
     this.anim.goToFrameLabel(label);
   }
 
-  function getFrameLabelNames(?layer:haxe.extern.EitherType<Int, String> = null)
+  function getFrameLabelNames(?layer:haxe.extern.EitherType<Int, String>):Array<String>
   {
     var labels = this.anim.getFrameLabels(layer);
     var array = [];