mvoe logic to StageStats::AllFailed

stepmania/src/ScreenGameplay.cpp

@@ -1630,11 +1630,7 @@ void ScreenGameplay::HandleScreenMessage( const ScreenMessage SM )
 
 			/* If all players have *really* failed (bFailed, not the life meter or
 			 * bFailedEarlier): */
-			bool bAllReallyFailed = true;
-			for( p=0; p<NUM_PLAYERS; p++ )
-				if( GAMESTATE->IsPlayerEnabled(PlayerNumber(p)) )
-					if( !GAMESTATE->m_CurStageStats.bFailed[p] )
-						bAllReallyFailed = false;
+			const bool bAllReallyFailed = GAMESTATE->m_CurStageStats.AllFailed();
 
 			if( !bAllReallyFailed && !IsLastSong() )
 			{

stepmania/src/StageStats.cpp

@@ -145,6 +145,15 @@ bool StageStats::OnePassed() const
 	return false;
 }
 
+bool StageStats::AllFailed() const
+{
+	for( int pn=0; pn<NUM_PLAYERS; pn++ )
+		if( GAMESTATE->IsPlayerEnabled(PlayerNumber(pn)) )
+			if( !GAMESTATE->m_CurStageStats.bFailed[pn] )
+				return false;
+	return true;
+}
+
 float StageStats::GetPercentDancePoints( PlayerNumber pn ) const
 {
 	if( iPossibleDancePoints[pn] == 0 )

stepmania/src/StageStats.h

@@ -25,6 +25,7 @@ struct StageStats
 	void AddStats( const StageStats& other );		// accumulate
 	Grade GetGrade( PlayerNumber pn );
 	bool OnePassed() const;
+	bool AllFailed() const;
 	float GetPercentDancePoints( PlayerNumber pn ) const;
 
 	Song*	pSong;