Keep track of total error, in ms.

stepmania/src/Player.cpp

@@ -429,6 +429,8 @@ void Player::Step( int col, RageTimer tm )
 
 		const float fSecondsFromPerfect = fabsf( fNoteOffset );
 
+		GAMESTATE->m_CurStageStats.iTotalError[m_PlayerNumber] += (int) roundf( fSecondsFromPerfect * 1000 );
+
 		// calculate TapNoteScore
 		TapNoteScore score;
 

stepmania/src/StageStats.cpp

@@ -47,8 +47,9 @@ void StageStats::operator+=( const StageStats& other )
 			fRadarActual[p][r] += other.fRadarActual[p][r];
 		}
 		fSecondsBeforeFail[p] += other.fSecondsBeforeFail[p];
-		iSongsPlayed[p] += other.iSongsPlayed[p];
 		iSongsPassed[p] += other.iSongsPassed[p];
+		iSongsPlayed[p] += other.iSongsPlayed[p];
+		iTotalError[p] += other.iTotalError[p];
 	}
 }
 

stepmania/src/StageStats.h

@@ -41,6 +41,7 @@ struct StageStats
 	/* The number of songs played and passed, respectively. */
 	int		iSongsPassed[NUM_PLAYERS];
 	int		iSongsPlayed[NUM_PLAYERS];
+	int		iTotalError[NUM_PLAYERS];
 };