Cache NoteData inside Notes.

stepmania/src/Notes.h

@@ -36,7 +36,16 @@ public:
 	// Loading
 	bool LoadFromNotesFile( const CString &sPath );
 
+	/* We can have one or both of these; if we have both, they're always identical.
+	 * Call Compress() to force us to only have notes_comp; otherwise, creation of 
+	 * these is transparent. */
+	mutable NoteData *notes;
+	mutable CString *notes_comp;
+	void Decompress() const;
+
 public:
+	void Compress() const;
+
 	NotesType		m_NotesType;
 	CString			m_sDescription;		// This text is displayed next to thte number of feet when a song is selected
 	bool			m_bAutoGen;			// Was created by autogen?
@@ -44,7 +53,6 @@ public:
 	int				m_iMeter;			// difficulty rating from 1-10
 	float			m_fRadarValues[NUM_RADAR_VALUES];	// between 0.0-1.2 starting from 12-o'clock rotating clockwise
 
-	CString			m_sSMNoteData;
 	void			GetNoteData( NoteData* pNoteDataOut ) const;
 	void			SetNoteData( NoteData* pNewNoteData );
 	void			SetSMNoteData( const CString &out );