vrpn_DirectXRumblePad.h

#ifndef VRPN_RUMBLEPAD_H
 
#include "vrpn_Configure.h" // IWYU pragma: keep
 
#if defined(_WIN32) && defined(VRPN_USE_DIRECTINPUT)
 
#include "vrpn_Analog.h"
#include "vrpn_Analog_Output.h"
#include "vrpn_Button.h"
#include "vrpn_Connection.h"
 
#ifndef DIRECTINPUT_VERSION
#define DIRECTINPUT_VERSION 0x0800
#endif
#include "vrpn_Shared.h"
#include <dinput.h>
#include <windows.h>
 
// This implements a RumblePad, which has analog outputs and button outputs
// but also enables the user to set a rumble magnitude using an Analog_Output
// (channel zero controls the rumble magnitude).
 
class VRPN_API vrpn_DirectXRumblePad: public vrpn_Analog, public vrpn_Button_Filter, public vrpn_Analog_Output {
public:
    vrpn_DirectXRumblePad(const char *name, vrpn_Connection *c = NULL,
        GUID device_guid = GUID_NULL);
 
    ~vrpn_DirectXRumblePad();
 
 virtual void mainloop();
 
protected:
 // Handle the rumble-magnitude setting (channel 0).
 static int VRPN_CALLBACK handle_request_message( void *userdata,
 vrpn_HANDLERPARAM p );
 static int VRPN_CALLBACK handle_request_channels_message( void* userdata,
 vrpn_HANDLERPARAM p);
 static int VRPN_CALLBACK handle_last_connection_dropped(void *selfPtr, vrpn_HANDLERPARAM data);
 
 //static void FAIL(vrpn_DirectXRumblePad *obj, const char *msg) { struct timeval now; vrpn_gettimeofday(&now, NULL); obj->send_text_message(msg, now, vrpn_TEXT_ERROR); }
 
private:
    time_t  last_error;
 
 // Windows enumeration/window callback functions
 static BOOL CALLBACK joystick_enum_cb(LPCDIDEVICEINSTANCE lpddi, LPVOID ref);
 static DWORD CALLBACK thread_proc(LPVOID ref);
 static LRESULT CALLBACK window_proc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp);
 static BOOL CALLBACK axis_enum_cb(LPCDIDEVICEOBJECTINSTANCE lpddoi, LPVOID ref);
 
 // Error-handling procedure (spit out a message and die)
 inline void FAIL(const char *msg) { 
 struct timeval now; 
        vrpn_gettimeofday(&now, NULL); 
 send_text_message(msg, now, vrpn_TEXT_ERROR);
        d_connection = NULL;
    }
 
 // 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
 
 // Create basic rumble effect and load onto device
    HRESULT init_force();
 
 // Data storage
 
 // Identifies the specific joystick device GUID the user is connected to
    GUID _target_device;
 
 // Window and thread handles for inter-thread communication
    HWND _wnd;
    HANDLE _thread;
 
 // Root IDirectInput8 instance
    LPDIRECTINPUT8 _directInput;
 
 // Various DirectInput COM objects
    LPDIRECTINPUTDEVICE8 _gamepad;
    LPDIRECTINPUTEFFECT _effect;
    timeval _timestamp;
    DIPERIODIC _diPeriodic;
    DIEFFECT _diEffect;
};
 
#endif  // _WIN32 and VRPN_USE_DIRECTINPUT
 
#define VRPN_RUMBLEPAD_H
#endif