add StageStats::GetPercentDancePoints

stepmania/src/StageStats.cpp

@@ -15,6 +15,7 @@
 #include "GameState.h"
 #include "RageLog.h"
 #include "SongManager.h"
+#include "RageUtil.h"
 
 StageStats::StageStats()
 {
@@ -133,3 +134,14 @@ bool StageStats::OnePassed() const
 	return false;
 }
 
+float StageStats::GetPercentDancePoints( PlayerNumber pn ) const
+{
+	if( iPossibleDancePoints[pn] == 0 )
+		return 0; // div/0
+
+	if( iActualDancePoints[pn] == iPossibleDancePoints[pn] )
+		return 1;	// correct for rounding error
+
+	float fPercentDancePoints =  iActualDancePoints[pn] / (float)iPossibleDancePoints[pn];
+	return clamp( fPercentDancePoints, 0, 1 );
+}

stepmania/src/StageStats.h

@@ -24,6 +24,7 @@ struct StageStats
 	void AddStats( const StageStats& other );		// accumulate
 	Grade GetGrade( PlayerNumber pn );
 	bool OnePassed() const;
+	float GetPercentDancePoints( PlayerNumber pn ) const;
 
 	Song*	pSong;
 	enum { STAGE_INVALID, STAGE_NORMAL, STAGE_EXTRA, STAGE_EXTRA2 } StageType;