project64/Source/Project64/Plugins/Controller Plugin.h

#ifndef CONTROL_STRUCTS
#define CONTROL_STRUCTS
 
typedef union {
	DWORD Value;
	struct {
		unsigned R_DPAD       : 1;
		unsigned L_DPAD       : 1;
		unsigned D_DPAD       : 1;
		unsigned U_DPAD       : 1;
		unsigned START_BUTTON : 1;
		unsigned Z_TRIG       : 1;
		unsigned B_BUTTON     : 1;
		unsigned A_BUTTON     : 1;

		unsigned R_CBUTTON    : 1;
		unsigned L_CBUTTON    : 1;
		unsigned D_CBUTTON    : 1;
		unsigned U_CBUTTON    : 1;
		unsigned R_TRIG       : 1;
		unsigned L_TRIG       : 1;
		unsigned Reserved1    : 1;
		unsigned Reserved2    : 1;

		signed   Y_AXIS       : 8;

		signed   X_AXIS       : 8;
	};
} BUTTONS;

typedef struct {
	DWORD Present;
	DWORD RawData;
	int   Plugin;
} CONTROL;

#endif 

enum PluginType {
	PLUGIN_NONE        = 1,
	PLUGIN_MEMPAK      = 2,
	PLUGIN_RUMBLE_PAK  = 3,
	PLUGIN_TANSFER_PAK = 4, // not implemeted for non raw data
	PLUGIN_RAW         = 5, // the controller plugin is passed in raw data
};

class CCONTROL {
	friend CControl_Plugin; //controller plugin class has full access

	DWORD   & m_Present;
	DWORD   & m_RawData;	
	int     & m_PlugType;
	BUTTONS   m_Buttons;

public:
	CCONTROL (DWORD &Present,DWORD &RawData, int &PlugType );
	inline bool  Present (void) const { return m_Present != 0; }
	inline DWORD Buttons (void) const { return m_Buttons.Value; }
	inline PluginType Plugin (void) const { return static_cast<PluginType>(m_PlugType); }
};

class CControl_Plugin  
{
public:
	CControl_Plugin  ( const char * FileName );
	~CControl_Plugin ( void );

	bool Initiate   ( CN64System * System, CMainGui * RenderWindow );
	void SetControl ( CControl_Plugin const * const Plugin );
	void UpdateKeys ( void );
	void Close      ( void );
	void RomOpened  ( void );
	void GameReset  ( void );
	stdstr PluginName ( void ) const { return m_PluginInfo.Name; }

	void (__cdecl *Config)           ( DWORD hParent );
	void (__cdecl *WM_KeyDown)       ( DWORD wParam, DWORD lParam );
	void (__cdecl *WM_KeyUp)         ( DWORD wParam, DWORD lParam );
	void (__cdecl *RumbleCommand)	 ( int Control, BOOL bRumble );
	void (__cdecl *GetKeys)          ( int Control, BUTTONS * Keys );
	void (__cdecl *ReadController)   ( int Control, BYTE * Command );
	void (__cdecl *ControllerCommand)( int Control, BYTE * Command );

	inline bool Initilized ( void ) const { return m_Initilized; }
	inline CCONTROL const * Controller (int control) { return m_Controllers[control]; }
	inline CONTROL * PluginControllers ( void ) { return m_PluginControllers; }

private:
	CControl_Plugin(void);								// Disable default constructor
	CControl_Plugin(const CControl_Plugin&);			// Disable copy constructor
	CControl_Plugin& operator=(const CControl_Plugin&);	// Disable assignment

	void Init ( const char * FileName );

	void * m_hDll;	
	bool   m_Initilized, m_RomOpen, m_AllocatedControllers;
	PLUGIN_INFO m_PluginInfo;

	//What the different controls are set up as
	CONTROL m_PluginControllers[4];

	void UnloadPlugin         ( void );
	bool ValidPluginVersion   ( PLUGIN_INFO * PluginInfo );

	void (__cdecl *CloseDLL)  ( void );
	void (__cdecl *RomOpen)   ( void );
	void (__cdecl *RomClosed) ( void );
	void (__cdecl *PluginOpened)     ( void );
	void (__cdecl *SetSettingInfo)   ( PLUGIN_SETTINGS * info );
	void (__cdecl *SetSettingInfo2)  ( PLUGIN_SETTINGS2 * info );

	CCONTROL * m_Controllers[4];
};