fix attract sound frequency if initial screen not in attract loop

stepmania/src/GameState.cpp

@@ -34,6 +34,8 @@
 #include "Foreach.h"
 #include "LuaReference.h"
 #include "CommonMetrics.h"
+#include "ScreenManager.h"
+#include "Screen.h"
 
 #include <ctime>
 #include <set>
@@ -1718,7 +1720,7 @@ bool GameState::OneIsHot() const
 	return false;
 }
 
-bool GameState::IsTimeToPlayAttractSounds()
+bool GameState::IsTimeToPlayAttractSounds() const
 {
 	if( PREFSMAN->m_AttractSoundFrequency == PrefsManager::ASF_NEVER )
 		return false;
@@ -1730,6 +1732,18 @@ bool GameState::IsTimeToPlayAttractSounds()
 	return false;
 }
 
+void GameState::VisitAttractScreen( const CString sScreenName )
+{
+	bool bSeenThisScreenInThisLoop = m_vScreensSeenSoFarInThisAttractLoop.find( sScreenName ) != m_vScreensSeenSoFarInThisAttractLoop.end();
+	if( bSeenThisScreenInThisLoop )
+	{
+		m_vScreensSeenSoFarInThisAttractLoop.clear();
+		GAMESTATE->m_iNumTimesThroughAttract++;
+	}
+	
+	m_vScreensSeenSoFarInThisAttractLoop.insert( sScreenName );
+}
+
 bool GameState::DifficultiesLocked()
 {
  	if( GAMESTATE->m_PlayMode == PLAY_MODE_RAVE )

stepmania/src/GameState.h

@@ -272,8 +272,10 @@ public:
 	//
 	// Attract stuff
 	//
+	set<CString> m_vScreensSeenSoFarInThisAttractLoop;
 	int m_iNumTimesThroughAttract;	// negative means play regardless of m_iAttractSoundFrequency setting
-	bool IsTimeToPlayAttractSounds();
+	bool IsTimeToPlayAttractSounds() const;
+	void VisitAttractScreen( const CString sScreenName );
 
 	//
 	// PlayerState

stepmania/src/ScreenAttract.cpp

@@ -27,9 +27,7 @@ ScreenAttract::ScreenAttract( CString sName, bool bResetGameState ) : ScreenWith
 	if( bResetGameState )
 		GAMESTATE->Reset();
 
-	// increment times through attract count
+	GAMESTATE->VisitAttractScreen( sName );
-	if( INITIAL_SCREEN == m_sName )
-		GAMESTATE->m_iNumTimesThroughAttract++;
 }
 
 void ScreenAttract::Init()