remove m_bIsTransparent

stepmania/src/Screen.cpp

@@ -15,7 +15,6 @@
 Screen::Screen( CString sName )
 {
 	SetName( sName );
-	m_bIsTransparent = false;
 
 	ALLOW_OPERATOR_MENU_BUTTON.Load( sName, "AllowOperatorMenuButton" );
 }

stepmania/src/Screen.h

@@ -51,7 +51,6 @@ public:
 	void ClearMessageQueue();
 	void ClearMessageQueue( const ScreenMessage SM );	// clear of a specific SM
 
-	bool IsTransparent() const { return m_bIsTransparent; }
 	virtual bool UsesBackground() const { return true; }	// override and set false if this screen shouldn't load a background
 	virtual ScreenType GetScreenType() const { return ALLOW_OPERATOR_MENU_BUTTON ? game_menu : system_menu; }
 
@@ -71,8 +70,6 @@ protected:
 	vector<QueuedScreenMessage>	m_QueuedMessages;
 	static bool SortMessagesByDelayRemaining(const QueuedScreenMessage &m1, const QueuedScreenMessage &m2);
 
-	bool m_bIsTransparent;	// screens below us need to be drawn first
-
 	ThemeMetric<bool>	ALLOW_OPERATOR_MENU_BUTTON;
 
 public:

stepmania/src/ScreenMiniMenu.cpp

@@ -41,8 +41,6 @@ void ScreenMiniMenu::Init( const MenuDef* pDef, ScreenMessage SM_SendOnOK, Scree
 
 	this->SortByDrawOrder();
 
-	m_bIsTransparent = true;	// draw screens below us
-
 	m_SMSendOnOK = SM_SendOnOK;
 	m_SMSendOnCancel = SM_SendOnCancel;
 	m_vMenuRows = pDef->rows;

stepmania/src/ScreenPrompt.cpp

@@ -29,7 +29,6 @@ void ScreenPrompt::Prompt( ScreenMessage smSendOnPop, const CString &sText, Prom
 ScreenPrompt::ScreenPrompt( const CString &sScreenName ):
 	ScreenWithMenuElements( sScreenName )
 {
-	m_bIsTransparent = true;	// draw screens below us
 }
 
 void ScreenPrompt::Init()

stepmania/src/ScreenTextEntry.cpp

@@ -86,8 +86,6 @@ ScreenTextEntry::ScreenTextEntry(
 	bool bPassword ) :
 	ScreenWithMenuElements( sClassName )
 {
-	m_bIsTransparent = true;	// draw screens below us
-
 	m_sQuestion = sQuestion;
 	m_sAnswer = CStringToWstring( sInitialAnswer );
 	m_iMaxInputLength = iMaxInputLength;