noahbackus
9d30169a8d
Some checks failed
🔗 GHA / 📊 Static checks (push) Has been cancelled
🔗 GHA / 🤖 Android (push) Has been cancelled
🔗 GHA / 🍏 iOS (push) Has been cancelled
🔗 GHA / 🐧 Linux (push) Has been cancelled
🔗 GHA / 🍎 macOS (push) Has been cancelled
🔗 GHA / 🏁 Windows (push) Has been cancelled
🔗 GHA / 🌐 Web (push) Has been cancelled
118 lines
3.1 KiB
C++
118 lines
3.1 KiB
C++
/*
|
|
Simple DirectMedia Layer
|
|
Copyright (C) 1997-2025 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.
|
|
*/
|
|
|
|
#ifndef SDL_sysjoystick_c_h_
|
|
#define SDL_sysjoystick_c_h_
|
|
|
|
#include <linux/input.h>
|
|
|
|
struct SDL_joylist_item;
|
|
struct SDL_sensorlist_item;
|
|
|
|
// The private structure used to keep track of a joystick
|
|
struct joystick_hwdata
|
|
{
|
|
int fd;
|
|
// linux driver creates a separate device for gyro/accelerometer
|
|
int fd_sensor;
|
|
struct SDL_joylist_item *item;
|
|
struct SDL_sensorlist_item *item_sensor;
|
|
SDL_GUID guid;
|
|
char *fname; // Used in haptic subsystem
|
|
|
|
bool ff_rumble;
|
|
bool ff_sine;
|
|
struct ff_effect effect;
|
|
Uint32 effect_expiration;
|
|
|
|
// The current Linux joystick driver maps balls to two axes
|
|
struct hwdata_ball
|
|
{
|
|
int axis[2];
|
|
} *balls;
|
|
|
|
// The current Linux joystick driver maps hats to two axes
|
|
struct hwdata_hat
|
|
{
|
|
int axis[2];
|
|
} *hats;
|
|
|
|
// Support for the Linux 2.4 unified input interface
|
|
Uint8 key_map[KEY_MAX];
|
|
Uint8 abs_map[ABS_MAX];
|
|
bool has_key[KEY_MAX];
|
|
bool has_abs[ABS_MAX];
|
|
bool has_accelerometer;
|
|
bool has_gyro;
|
|
|
|
// Support for the classic joystick interface
|
|
bool classic;
|
|
Uint16 *key_pam;
|
|
Uint8 *abs_pam;
|
|
|
|
struct axis_correct
|
|
{
|
|
bool use_deadzones;
|
|
|
|
// Deadzone coefficients
|
|
int coef[3];
|
|
|
|
// Raw coordinate scale
|
|
int minimum;
|
|
int maximum;
|
|
float scale;
|
|
} abs_correct[ABS_MAX];
|
|
|
|
float accelerometer_scale[3];
|
|
float gyro_scale[3];
|
|
|
|
/* Each axis is read independently, if we don't get all axis this call to
|
|
* LINUX_JoystickUpdateupdate(), store them for the next one */
|
|
float gyro_data[3];
|
|
float accel_data[3];
|
|
Uint64 sensor_tick;
|
|
Sint32 last_tick;
|
|
|
|
bool report_sensor;
|
|
bool fresh;
|
|
bool recovering_from_dropped;
|
|
bool recovering_from_dropped_sensor;
|
|
|
|
// Steam Controller support
|
|
bool m_bSteamController;
|
|
|
|
// 4 = (ABS_HAT3X-ABS_HAT0X)/2 (see input-event-codes.h in kernel)
|
|
int hats_indices[4];
|
|
bool has_hat[4];
|
|
struct hat_axis_correct
|
|
{
|
|
bool use_deadzones;
|
|
int minimum[2];
|
|
int maximum[2];
|
|
} hat_correct[4];
|
|
|
|
// Set when gamepad is pending removal due to ENODEV read error
|
|
bool gone;
|
|
bool sensor_gone;
|
|
};
|
|
|
|
#endif // SDL_sysjoystick_c_h_
|