added absolutely broken cpp code after painfull debugging session
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vendored/SDL/include/SDL3/SDL_sensor.h
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320
vendored/SDL/include/SDL3/SDL_sensor.h
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/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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/**
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* # CategorySensor
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*
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* SDL sensor management.
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*
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* These APIs grant access to gyros and accelerometers on various platforms.
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*
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* In order to use these functions, SDL_Init() must have been called with the
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* SDL_INIT_SENSOR flag. This causes SDL to scan the system for sensors, and
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* load appropriate drivers.
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*/
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#ifndef SDL_sensor_h_
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#define SDL_sensor_h_
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#include <SDL3/SDL_stdinc.h>
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#include <SDL3/SDL_error.h>
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#include <SDL3/SDL_properties.h>
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#include <SDL3/SDL_begin_code.h>
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/* Set up for C function definitions, even when using C++ */
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#ifdef __cplusplus
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/* *INDENT-OFF* */
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extern "C" {
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/* *INDENT-ON* */
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#endif
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/**
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* The opaque structure used to identify an opened SDL sensor.
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*
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* \since This struct is available since SDL 3.2.0.
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*/
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typedef struct SDL_Sensor SDL_Sensor;
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/**
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* This is a unique ID for a sensor for the time it is connected to the
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* system, and is never reused for the lifetime of the application.
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*
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* The value 0 is an invalid ID.
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*
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* \since This datatype is available since SDL 3.2.0.
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*/
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typedef Uint32 SDL_SensorID;
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/**
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* A constant to represent standard gravity for accelerometer sensors.
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*
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* The accelerometer returns the current acceleration in SI meters per second
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* squared. This measurement includes the force of gravity, so a device at
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* rest will have an value of SDL_STANDARD_GRAVITY away from the center of the
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* earth, which is a positive Y value.
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*
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* \since This macro is available since SDL 3.2.0.
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*/
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#define SDL_STANDARD_GRAVITY 9.80665f
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/**
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* The different sensors defined by SDL.
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*
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* Additional sensors may be available, using platform dependent semantics.
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*
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* Here are the additional Android sensors:
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*
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* https://developer.android.com/reference/android/hardware/SensorEvent.html#values
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*
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* Accelerometer sensor notes:
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*
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* The accelerometer returns the current acceleration in SI meters per second
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* squared. This measurement includes the force of gravity, so a device at
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* rest will have an value of SDL_STANDARD_GRAVITY away from the center of the
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* earth, which is a positive Y value.
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*
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* - `values[0]`: Acceleration on the x axis
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* - `values[1]`: Acceleration on the y axis
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* - `values[2]`: Acceleration on the z axis
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*
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* For phones and tablets held in natural orientation and game controllers
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* held in front of you, the axes are defined as follows:
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*
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* - -X ... +X : left ... right
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* - -Y ... +Y : bottom ... top
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* - -Z ... +Z : farther ... closer
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*
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* The accelerometer axis data is not changed when the device is rotated.
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*
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* Gyroscope sensor notes:
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*
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* The gyroscope returns the current rate of rotation in radians per second.
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* The rotation is positive in the counter-clockwise direction. That is, an
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* observer looking from a positive location on one of the axes would see
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* positive rotation on that axis when it appeared to be rotating
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* counter-clockwise.
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*
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* - `values[0]`: Angular speed around the x axis (pitch)
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* - `values[1]`: Angular speed around the y axis (yaw)
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* - `values[2]`: Angular speed around the z axis (roll)
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*
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* For phones and tablets held in natural orientation and game controllers
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* held in front of you, the axes are defined as follows:
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*
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* - -X ... +X : left ... right
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* - -Y ... +Y : bottom ... top
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* - -Z ... +Z : farther ... closer
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*
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* The gyroscope axis data is not changed when the device is rotated.
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*
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* \since This enum is available since SDL 3.2.0.
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*
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* \sa SDL_GetCurrentDisplayOrientation
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*/
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typedef enum SDL_SensorType
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{
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SDL_SENSOR_INVALID = -1, /**< Returned for an invalid sensor */
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SDL_SENSOR_UNKNOWN, /**< Unknown sensor type */
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SDL_SENSOR_ACCEL, /**< Accelerometer */
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SDL_SENSOR_GYRO, /**< Gyroscope */
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SDL_SENSOR_ACCEL_L, /**< Accelerometer for left Joy-Con controller and Wii nunchuk */
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SDL_SENSOR_GYRO_L, /**< Gyroscope for left Joy-Con controller */
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SDL_SENSOR_ACCEL_R, /**< Accelerometer for right Joy-Con controller */
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SDL_SENSOR_GYRO_R /**< Gyroscope for right Joy-Con controller */
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} SDL_SensorType;
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/* Function prototypes */
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/**
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* Get a list of currently connected sensors.
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*
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* \param count a pointer filled in with the number of sensors returned, may
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* be NULL.
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* \returns a 0 terminated array of sensor instance IDs or NULL on failure;
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* call SDL_GetError() for more information. This should be freed
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* with SDL_free() when it is no longer needed.
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*
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* \since This function is available since SDL 3.2.0.
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*/
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extern SDL_DECLSPEC SDL_SensorID * SDLCALL SDL_GetSensors(int *count);
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/**
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* Get the implementation dependent name of a sensor.
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*
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* This can be called before any sensors are opened.
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*
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* \param instance_id the sensor instance ID.
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* \returns the sensor name, or NULL if `instance_id` is not valid.
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*
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* \since This function is available since SDL 3.2.0.
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*/
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extern SDL_DECLSPEC const char * SDLCALL SDL_GetSensorNameForID(SDL_SensorID instance_id);
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/**
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* Get the type of a sensor.
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*
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* This can be called before any sensors are opened.
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*
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* \param instance_id the sensor instance ID.
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* \returns the SDL_SensorType, or `SDL_SENSOR_INVALID` if `instance_id` is
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* not valid.
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*
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* \since This function is available since SDL 3.2.0.
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*/
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extern SDL_DECLSPEC SDL_SensorType SDLCALL SDL_GetSensorTypeForID(SDL_SensorID instance_id);
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/**
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* Get the platform dependent type of a sensor.
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*
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* This can be called before any sensors are opened.
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*
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* \param instance_id the sensor instance ID.
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* \returns the sensor platform dependent type, or -1 if `instance_id` is not
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* valid.
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*
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* \since This function is available since SDL 3.2.0.
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*/
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extern SDL_DECLSPEC int SDLCALL SDL_GetSensorNonPortableTypeForID(SDL_SensorID instance_id);
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/**
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* Open a sensor for use.
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*
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* \param instance_id the sensor instance ID.
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* \returns an SDL_Sensor object or NULL on failure; call SDL_GetError() for
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* more information.
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*
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* \since This function is available since SDL 3.2.0.
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*/
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extern SDL_DECLSPEC SDL_Sensor * SDLCALL SDL_OpenSensor(SDL_SensorID instance_id);
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/**
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* Return the SDL_Sensor associated with an instance ID.
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*
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* \param instance_id the sensor instance ID.
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* \returns an SDL_Sensor object or NULL on failure; call SDL_GetError() for
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* more information.
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*
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* \since This function is available since SDL 3.2.0.
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*/
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extern SDL_DECLSPEC SDL_Sensor * SDLCALL SDL_GetSensorFromID(SDL_SensorID instance_id);
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/**
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* Get the properties associated with a sensor.
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*
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* \param sensor the SDL_Sensor object.
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* \returns a valid property ID on success or 0 on failure; call
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* SDL_GetError() for more information.
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*
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* \since This function is available since SDL 3.2.0.
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*/
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extern SDL_DECLSPEC SDL_PropertiesID SDLCALL SDL_GetSensorProperties(SDL_Sensor *sensor);
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/**
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* Get the implementation dependent name of a sensor.
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*
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* \param sensor the SDL_Sensor object.
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* \returns the sensor name or NULL on failure; call SDL_GetError() for more
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* information.
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*
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* \since This function is available since SDL 3.2.0.
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*/
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extern SDL_DECLSPEC const char * SDLCALL SDL_GetSensorName(SDL_Sensor *sensor);
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/**
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* Get the type of a sensor.
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*
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* \param sensor the SDL_Sensor object to inspect.
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* \returns the SDL_SensorType type, or `SDL_SENSOR_INVALID` if `sensor` is
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* NULL.
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*
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* \since This function is available since SDL 3.2.0.
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*/
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extern SDL_DECLSPEC SDL_SensorType SDLCALL SDL_GetSensorType(SDL_Sensor *sensor);
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/**
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* Get the platform dependent type of a sensor.
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*
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* \param sensor the SDL_Sensor object to inspect.
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* \returns the sensor platform dependent type, or -1 if `sensor` is NULL.
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*
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* \since This function is available since SDL 3.2.0.
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*/
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extern SDL_DECLSPEC int SDLCALL SDL_GetSensorNonPortableType(SDL_Sensor *sensor);
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/**
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* Get the instance ID of a sensor.
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*
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* \param sensor the SDL_Sensor object to inspect.
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* \returns the sensor instance ID, or 0 on failure; call SDL_GetError() for
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* more information.
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*
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* \since This function is available since SDL 3.2.0.
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*/
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extern SDL_DECLSPEC SDL_SensorID SDLCALL SDL_GetSensorID(SDL_Sensor *sensor);
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/**
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* Get the current state of an opened sensor.
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*
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* The number of values and interpretation of the data is sensor dependent.
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*
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* \param sensor the SDL_Sensor object to query.
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* \param data a pointer filled with the current sensor state.
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* \param num_values the number of values to write to data.
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* \returns true on success or false on failure; call SDL_GetError() for more
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* information.
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*
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* \since This function is available since SDL 3.2.0.
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*/
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extern SDL_DECLSPEC bool SDLCALL SDL_GetSensorData(SDL_Sensor *sensor, float *data, int num_values);
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/**
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* Close a sensor previously opened with SDL_OpenSensor().
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*
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* \param sensor the SDL_Sensor object to close.
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*
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* \since This function is available since SDL 3.2.0.
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*/
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extern SDL_DECLSPEC void SDLCALL SDL_CloseSensor(SDL_Sensor *sensor);
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/**
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* Update the current state of the open sensors.
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*
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* This is called automatically by the event loop if sensor events are
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* enabled.
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*
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* This needs to be called from the thread that initialized the sensor
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* subsystem.
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*
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* \since This function is available since SDL 3.2.0.
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*/
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extern SDL_DECLSPEC void SDLCALL SDL_UpdateSensors(void);
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/* Ends C function definitions when using C++ */
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#ifdef __cplusplus
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/* *INDENT-OFF* */
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}
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/* *INDENT-ON* */
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#endif
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#include <SDL3/SDL_close_code.h>
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#endif /* SDL_sensor_h_ */
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