remove brightness quad. Add SSystemLayer overlay for doing hacks like that.

stepmania/src/PrefsManager.cpp

@@ -272,7 +272,6 @@ PrefsManager::PrefsManager() :
 	m_iCenterImageTranslateY	( "CenterImageTranslateY",		0 ),
 	m_fCenterImageAddWidth		( "CenterImageAddWidth",		0 ),
 	m_fCenterImageAddHeight		( "CenterImageAddHeight",		0 ),
-	m_fBrightnessAdd		( "BrightnessAdd",			0 ),
 	m_AttractSoundFrequency		( "AttractSoundFrequency",		ASF_EVERY_TIME ),
 	m_bAllowExtraStage		( "AllowExtraStage",			true ),
 	m_bHideDefaultNoteSkin		( "HideDefaultNoteSkin",		false ),

stepmania/src/PrefsManager.h

@@ -162,7 +162,6 @@ public:
 	Preference<int>		m_iCenterImageTranslateY;
 	Preference<int>		m_fCenterImageAddWidth;
 	Preference<int>		m_fCenterImageAddHeight;
-	Preference<float>	m_fBrightnessAdd;
 	enum AttractSoundFrequency { ASF_NEVER, ASF_EVERY_TIME, ASF_EVERY_2_TIMES, ASF_EVERY_3_TIMES, ASF_EVERY_4_TIMES, ASF_EVERY_5_TIMES };
 	Preference<AttractSoundFrequency,int>	m_AttractSoundFrequency;
 	Preference<bool>	m_bAllowExtraStage;

stepmania/src/ScreenSystemLayer.cpp

@@ -42,17 +42,13 @@ void ScreenSystemLayer::Init()
 	FOREACH_PlayerNumber( p )
 		this->AddChild(&m_textCredits[p]);
 
-	m_quadBrightnessAdd.StretchTo( RectF(SCREEN_LEFT,SCREEN_TOP,SCREEN_RIGHT,SCREEN_BOTTOM) );
-	m_quadBrightnessAdd.SetDiffuse( RageColor(1,1,1,PREFSMAN->m_fBrightnessAdd) );
-	m_quadBrightnessAdd.SetHidden( PREFSMAN->m_fBrightnessAdd == 0 );
-	m_quadBrightnessAdd.SetBlendMode( BLEND_ADD );
-	this->AddChild( &m_quadBrightnessAdd );
-
-
 	ReloadCreditsText();
 	/* This will be done when we set up the first screen, after GAMESTATE->Reset has
 	 * been called. */
 	// RefreshCreditsMessages();
+
+	m_sprOverlay.Load( THEME->GetPathB("ScreenSystemLayer", "overlay") );
+	this->AddChild( m_sprOverlay );
 }
 
 void ScreenSystemLayer::ReloadCreditsText()

stepmania/src/ScreenSystemLayer.h

@@ -23,7 +23,6 @@ private:
 	AutoActor  m_sprMessageFrame;
 	BitmapText m_textMessage;
 	BitmapText m_textCredits[NUM_PLAYERS];
-	Quad m_quadBrightnessAdd;
 
 	RString GetCreditsMessage( PlayerNumber pn ) const;
 
@@ -40,6 +39,8 @@ private:
 	LocalizedString CREDITS_LOAD_FAILED;
 	LocalizedString CREDITS_LOADED_FROM_LAST_GOOD_APPEND;
 	ThemeMetric<bool> CREDITS_JOIN_ONLY;
+
+	AutoActor m_sprOverlay;
 };