memory card refactoring

stepmania/src/MemoryCardManager.h

@@ -12,6 +12,9 @@
 */
 #include "PlayerNumber.h"
 
+struct UsbStorageDevice;
+class MemoryCardDriver;
+
 class MemoryCardManager
 {
 public:
@@ -19,6 +22,22 @@ public:
 	~MemoryCardManager();
 
 	void Update( float fDelta );
+
+	enum CardState { ready, too_late, write_error, no_card };
+
+	CardState GetCardState( PlayerNumber pn );
+	
+	CString GetOsMountDir( PlayerNumber pn );	// only valid when ready
+
+	void LockCards( bool bLock );	// prevent removing or changing of memory cards
+
+protected:
+	MemoryCardDriver *m_pDriver;
+
+	bool	m_bCardsLocked;
+	bool	m_bTooLate[NUM_PLAYERS];	// card was inserted after lock
+	bool	m_bWriteError[NUM_PLAYERS];	// couldn't write to the card
+	UsbStorageDevice* m_pDevice[NUM_PLAYERS];	// device in the memory card slot, NULL if none
 };
 
 extern MemoryCardManager*	MEMCARDMAN;	// global and accessable from anywhere in our program