SDL/src/joystick/virtual/SDL_virtualjoystick_c.h

84 lines
2.9 KiB
C

/*
Simple DirectMedia Layer
Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.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.
*/
#include "SDL_internal.h"
#ifndef SDL_VIRTUALJOYSTICK_C_H
#define SDL_VIRTUALJOYSTICK_C_H
#ifdef SDL_JOYSTICK_VIRTUAL
#include "../SDL_sysjoystick.h"
#define AXES_CHANGED 0x00000001
#define BALLS_CHANGED 0x00000002
#define BUTTONS_CHANGED 0x00000004
#define HATS_CHANGED 0x00000008
#define TOUCHPADS_CHANGED 0x00000010
/**
* Data for a virtual, software-only joystick.
*/
typedef struct VirtualSensorEvent
{
SDL_SensorType type;
Uint64 sensor_timestamp;
float data[3];
int num_values;
} VirtualSensorEvent;
typedef struct joystick_hwdata
{
SDL_JoystickID instance_id;
SDL_bool attached;
char *name;
SDL_JoystickType type;
SDL_JoystickGUID guid;
SDL_VirtualJoystickDesc desc;
Uint32 changes;
Sint16 *axes;
Uint8 *buttons;
Uint8 *hats;
SDL_JoystickBallData *balls;
SDL_JoystickTouchpadInfo *touchpads;
SDL_JoystickSensorInfo *sensors;
SDL_bool sensors_enabled;
int num_sensor_events;
int max_sensor_events;
VirtualSensorEvent *sensor_events;
SDL_Joystick *joystick;
struct joystick_hwdata *next;
} joystick_hwdata;
extern SDL_JoystickID SDL_JoystickAttachVirtualInner(const SDL_VirtualJoystickDesc *desc);
extern int SDL_JoystickDetachVirtualInner(SDL_JoystickID instance_id);
extern int SDL_SetJoystickVirtualAxisInner(SDL_Joystick *joystick, int axis, Sint16 value);
extern int SDL_SetJoystickVirtualBallInner(SDL_Joystick *joystick, int ball, Sint16 xrel, Sint16 yrel);
extern int SDL_SetJoystickVirtualButtonInner(SDL_Joystick *joystick, int button, Uint8 value);
extern int SDL_SetJoystickVirtualHatInner(SDL_Joystick *joystick, int hat, Uint8 value);
extern int SDL_SetJoystickVirtualTouchpadInner(SDL_Joystick *joystick, int touchpad, int finger, Uint8 state, float x, float y, float pressure);
extern int SDL_SendJoystickVirtualSensorDataInner(SDL_Joystick *joystick, SDL_SensorType type, Uint64 sensor_timestamp, const float *data, int num_values);
#endif /* SDL_JOYSTICK_VIRTUAL */
#endif /* SDL_VIRTUALJOYSTICK_C_H */