Plugin that should eventually replace the GCPad and emulated Wiimote plugin:

It's currently only really usable on Windows. Linux/OS X will need keyboard support added in, but SDL should work for joysticks on non-Windows without too many modifications.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5254 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Plugins/Plugin_GCPadNew/Src/ControllerInterface/DirectInput/DirectInputJoystick.h

@@ -0,0 +1,130 @@
+#ifndef _CIFACE_DIRECTINPUT_JOYSTICK_H_
+#define _CIFACE_DIRECTINPUT_JOYSTICK_H_
+
+#include "../ControllerInterface.h"
+
+#define DIRECTINPUT_VERSION 0x0800
+#define WIN32_LEAN_AND_MEAN
+#define NOMINMAX
+#include <Windows.h>
+#include <dinput.h>
+
+namespace ciface
+{
+namespace DirectInput
+{
+
+void InitJoystick( IDirectInput8* const idi8, std::vector<ControllerInterface::Device*>& devices/*, HWND hwnd*/ );
+
+class Joystick : public ControllerInterface::Device
+{
+	friend class ControllerInterface;
+	friend class ControllerInterface::ControlReference;
+
+protected:
+
+	struct EffectState
+	{
+		EffectState( LPDIRECTINPUTEFFECT eff ) : changed(0), iface(eff) {}
+		LPDIRECTINPUTEFFECT			iface;
+		ControlState				magnitude;
+		bool						changed;
+	};
+
+	class Input : public ControllerInterface::Device::Input
+	{
+		friend class Joystick;
+	protected:
+		virtual ControlState GetState( const DIJOYSTATE* const joystate ) = 0;
+	};
+
+	// can probably eliminate this base class
+	class Output : public ControllerInterface::Device::Output
+	{
+		friend class Joystick;
+	protected:
+		virtual void SetState( const ControlState state, EffectState* const joystate ) = 0;
+	};
+
+	class Button : public Input
+	{
+		friend class Joystick;
+	public:
+		std::string GetName() const;
+	protected:
+		Button( const unsigned int index ) : m_index(index) {}
+		ControlState GetState( const DIJOYSTATE* const joystate );
+	private:
+		const unsigned int	m_index;
+	};
+
+	class Axis : public Input
+	{
+		friend class Joystick;
+	public:
+		std::string GetName() const;
+	protected:
+		Axis( const unsigned int index, const LONG base, const LONG range ) : m_index(index), m_base(base), m_range(range) {}
+		ControlState GetState( const DIJOYSTATE* const joystate );
+	private:
+		const unsigned int	m_index;
+		const LONG			m_base;
+		const LONG			m_range;
+	};
+
+	class Hat : public Input
+	{
+		friend class Joystick;
+	public:
+		std::string GetName() const;
+	protected:
+		Hat( const unsigned int index, const unsigned int direction ) : m_index(index), m_direction(direction) {}
+		ControlState GetState( const DIJOYSTATE* const joystate );
+	private:
+		const unsigned int	m_index;
+		const unsigned int	m_direction;
+	};
+
+	class Force : public Output
+	{
+		friend class Joystick;
+	public:
+		std::string GetName() const;
+	protected:
+		Force( const unsigned int index ) : m_index(index) {}
+		void SetState( const ControlState state, EffectState* const joystate );
+	private:
+		const unsigned int	m_index;
+	};
+
+	bool UpdateInput();
+	bool UpdateOutput();
+
+	ControlState GetInputState( const ControllerInterface::Device::Input* const input );
+	void SetOutputState( const ControllerInterface::Device::Output* const input, const ControlState state );
+
+	void ClearInputState();
+
+public:
+	Joystick( /*const LPCDIDEVICEINSTANCE lpddi, */const LPDIRECTINPUTDEVICE8 device, const unsigned int index );
+	~Joystick();
+	
+	std::string GetName() const;
+	int GetId() const;
+	std::string GetSource() const;
+
+private:
+	const LPDIRECTINPUTDEVICE8			m_device;
+	const unsigned int					m_index;
+	//const std::string					m_name;
+
+	DIJOYSTATE							m_state_in;
+	std::vector<EffectState>			m_state_out;
+
+	bool								m_must_poll;
+};
+
+}
+}
+
+#endif