split out DrawGrayBar

protected:

stepmania/src/WheelItemBase.cpp

@@ -79,18 +79,23 @@ void WheelItemBase::Update( float fDeltaTime )
 	Actor::Update( fDeltaTime );
 }
 
-void WheelItemBase::DrawPrimitives(Sprite& bar)
+void WheelItemBase::DrawGrayBar( Sprite& bar )
 {
-	ActorFrame::DrawPrimitives();
+	if( m_fPercentGray == 0 )
+		return;
 
-	if( m_fPercentGray > 0 )
-	{
 	bar.SetGlow( RageColor(0,0,0,m_fPercentGray) );
 	bar.SetDiffuse( RageColor(0,0,0,0) );
 	bar.Draw();
 	bar.SetDiffuse( RageColor(0,0,0,1) );
 	bar.SetGlow( RageColor(0,0,0,0) );
 }
+
+void WheelItemBase::DrawPrimitives(Sprite& bar)
+{
+	ActorFrame::DrawPrimitives();
+
+	DrawGrayBar( bar );
 }
   
 /*

stepmania/src/WheelItemBase.h

@@ -35,11 +35,13 @@ public:
 	virtual void DrawPrimitives() { DrawPrimitives( m_sprBar ); }
 	
 	void Load( CString sType );
+	void DrawGrayBar( Sprite& bar );
 
 	virtual void LoadFromWheelItemBaseData( WheelItemBaseData* pWID );
 
 	float				m_fPercentGray;
 
+protected:
 	Sprite	m_sprBar;
 	BitmapText m_text;
 	WheelItemType m_Type;
@@ -49,7 +51,6 @@ public:
 	ThemeMetric<float>				TEXT_Y;
 	ThemeMetric<float>				TEXT_WIDTH;
 	ThemeMetric<apActorCommands>	TEXT_ON_COMMAND;
-
 };
 
 struct WheelItemBaseData