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////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2018 Laurent Gomila (laurent@sfml-dev.org)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
#ifndef SFML_JOYSTICKIMPLWIN32_HPP
#define SFML_JOYSTICKIMPLWIN32_HPP
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#ifdef _WIN32_WINDOWS
#undef _WIN32_WINDOWS
#endif
#ifdef _WIN32_WINNT
#undef _WIN32_WINNT
#endif
#define _WIN32_WINDOWS 0x0501
#define _WIN32_WINNT 0x0501
#define DIRECTINPUT_VERSION 0x0800
#include <SFML/Window/Joystick.hpp>
#include <SFML/Window/JoystickImpl.hpp>
#include <SFML/System/String.hpp>
#include <windows.h>
#include <mmsystem.h>
#include <dinput.h>
namespace sf
{
namespace priv
{
////////////////////////////////////////////////////////////
/// \brief Windows implementation of joysticks
///
////////////////////////////////////////////////////////////
class JoystickImpl
{
public:
////////////////////////////////////////////////////////////
/// \brief Perform the global initialization of the joystick module
///
////////////////////////////////////////////////////////////
static void initialize();
////////////////////////////////////////////////////////////
/// \brief Perform the global cleanup of the joystick module
///
////////////////////////////////////////////////////////////
static void cleanup();
////////////////////////////////////////////////////////////
/// \brief Check if a joystick is currently connected
///
/// \param index Index of the joystick to check
///
/// \return True if the joystick is connected, false otherwise
///
////////////////////////////////////////////////////////////
static bool isConnected(unsigned int index);
////////////////////////////////////////////////////////////
/// \brief Enable or disable lazy enumeration updates
///
/// \param status Whether to rely on windows triggering enumeration updates
///
////////////////////////////////////////////////////////////
static void setLazyUpdates(bool status);
////////////////////////////////////////////////////////////
/// \brief Update the connection status of all joysticks
///
////////////////////////////////////////////////////////////
static void updateConnections();
////////////////////////////////////////////////////////////
/// \brief Open the joystick
///
/// \param index Index assigned to the joystick
///
/// \return True on success, false on failure
///
////////////////////////////////////////////////////////////
bool open(unsigned int index);
////////////////////////////////////////////////////////////
/// \brief Close the joystick
///
////////////////////////////////////////////////////////////
void close();
////////////////////////////////////////////////////////////
/// \brief Get the joystick capabilities
///
/// \return Joystick capabilities
///
////////////////////////////////////////////////////////////
JoystickCaps getCapabilities() const;
////////////////////////////////////////////////////////////
/// \brief Get the joystick identification
///
/// \return Joystick identification
///
////////////////////////////////////////////////////////////
Joystick::Identification getIdentification() const;
////////////////////////////////////////////////////////////
/// \brief Update the joystick and get its new state
///
/// \return Joystick state
///
////////////////////////////////////////////////////////////
JoystickState update();
////////////////////////////////////////////////////////////
/// \brief Perform the global initialization of the joystick module (DInput)
///
////////////////////////////////////////////////////////////
static void initializeDInput();
////////////////////////////////////////////////////////////
/// \brief Perform the global cleanup of the joystick module (DInput)
///
////////////////////////////////////////////////////////////
static void cleanupDInput();
////////////////////////////////////////////////////////////
/// \brief Check if a joystick is currently connected (DInput)
///
/// \param index Index of the joystick to check
///
/// \return True if the joystick is connected, false otherwise
///
////////////////////////////////////////////////////////////
static bool isConnectedDInput(unsigned int index);
////////////////////////////////////////////////////////////
/// \brief Update the connection status of all joysticks (DInput)
///
////////////////////////////////////////////////////////////
static void updateConnectionsDInput();
////////////////////////////////////////////////////////////
/// \brief Open the joystick (DInput)
///
/// \param index Index assigned to the joystick
///
/// \return True on success, false on failure
///
////////////////////////////////////////////////////////////
bool openDInput(unsigned int index);
////////////////////////////////////////////////////////////
/// \brief Close the joystick (DInput)
///
////////////////////////////////////////////////////////////
void closeDInput();
////////////////////////////////////////////////////////////
/// \brief Get the joystick capabilities (DInput)
///
/// \return Joystick capabilities
///
////////////////////////////////////////////////////////////
JoystickCaps getCapabilitiesDInput() const;
////////////////////////////////////////////////////////////
/// \brief Update the joystick and get its new state (DInput)
///
/// \return Joystick state
///
////////////////////////////////////////////////////////////
JoystickState updateDInput();
private:
////////////////////////////////////////////////////////////
/// \brief Device enumeration callback function passed to EnumDevices in updateConnections
///
/// \param deviceInstance Device object instance
/// \param userData User data (unused)
///
/// \return DIENUM_CONTINUE to continue enumerating devices or DIENUM_STOP to stop
///
////////////////////////////////////////////////////////////
static BOOL CALLBACK deviceEnumerationCallback(const DIDEVICEINSTANCE* deviceInstance, void* userData);
////////////////////////////////////////////////////////////
/// \brief Device object enumeration callback function passed to EnumObjects in open
///
/// \param deviceObjectInstance Device object instance
/// \param userData User data (pointer to our JoystickImpl object)
///
/// \return DIENUM_CONTINUE to continue enumerating objects or DIENUM_STOP to stop
///
////////////////////////////////////////////////////////////
static BOOL CALLBACK deviceObjectEnumerationCallback(const DIDEVICEOBJECTINSTANCE* deviceObjectInstance, void* userData);
////////////////////////////////////////////////////////////
// Member data
////////////////////////////////////////////////////////////
unsigned int m_index; ///< Index of the joystick
JOYCAPS m_caps; ///< Joystick capabilities
IDirectInputDevice8W* m_device; ///< DirectInput 8.x device
DIDEVCAPS m_deviceCaps; ///< DirectInput device capabilities
int m_axes[Joystick::AxisCount]; ///< Offsets to the bytes containing the axes states, -1 if not available
int m_buttons[Joystick::ButtonCount]; ///< Offsets to the bytes containing the button states, -1 if not available
Joystick::Identification m_identification; ///< Joystick identification
};
} // namespace priv
} // namespace sf
#endif // SFML_JOYSTICKIMPLWIN32_HPP
|
