vrpn_XInputGamepad.h

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#ifndef VRPN_XINPUTGAMEPAD_H
#define VRPN_XINPUTGAMEPAD_H
 
#include "vrpn_Configure.h"   // IWYU pragma: keep
 
#if defined(_WIN32) && defined(VRPN_USE_WINDOWS_XINPUT)
 
#include "vrpn_Analog.h"
#include "vrpn_Analog_Output.h"
#include "vrpn_Button.h"
#include "vrpn_Connection.h"
 
// This implements an XInput gamepad (read: Xbox 360 controller), which has
// analog outputs and button outputs but also enables the user to set a
// rumble magnitude using an Analog_Output (channel 0 controls the left motor,
// channel 1 controls the right motor).
 
class VRPN_API vrpn_XInputGamepad: public vrpn_Analog, public vrpn_Button_Filter, public vrpn_Analog_Output {
public:
    vrpn_XInputGamepad(const char *name, vrpn_Connection *c = NULL, unsigned int controllerIndex = 0);
    ~vrpn_XInputGamepad();
 
    virtual void mainloop();
 
protected:
    // Handle requests to change rumble magnitude
    static int VRPN_CALLBACK handle_request_message(void *selfPtr, vrpn_HANDLERPARAM data);
    static int VRPN_CALLBACK handle_request_channels_message(void *selfPtr, vrpn_HANDLERPARAM data);
    static int VRPN_CALLBACK handle_last_connection_dropped(void *selfPtr, vrpn_HANDLERPARAM data);
 
    // send report iff changed
    void report_changes (vrpn_uint32 class_of_service = vrpn_CONNECTION_LOW_LATENCY);
    // send report whether or not changed
    void report (vrpn_uint32 class_of_service = vrpn_CONNECTION_LOW_LATENCY);
    // NOTE:  class_of_service is only applied to vrpn_Analog
    //  values, not vrpn_Button
 
    void update_vibration();
 
    // These functions may be overridden to disable the default filtering
    virtual vrpn_float64 normalize_axis(SHORT axis, SHORT deadzone) const;
    virtual vrpn_float64 normalize_trigger(BYTE trigger) const;
    virtual vrpn_float64 normalize_dpad(WORD buttons) const;
 
private:
    unsigned int _controllerIndex;
    timeval _timestamp;
 
    WORD _motorSpeed[2];
};
 
#endif // _WIN32 && VRPN_USE_DIRECTINPUT
#endif // VRPN_XINPUTGAMEPAD_H