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60 lines
2.1 KiB
C++
60 lines
2.1 KiB
C++
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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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#include "SDL_internal.h"
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#ifndef SDL_sensor_c_h_
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#define SDL_sensor_c_h_
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#ifdef SDL_THREAD_SAFETY_ANALYSIS
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extern SDL_Mutex *SDL_sensor_lock;
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#endif
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struct SDL_SensorDriver;
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// Useful functions and variables from SDL_sensor.c
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// Initialization and shutdown functions
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extern bool SDL_InitSensors(void);
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extern void SDL_QuitSensors(void);
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// Return whether the sensor system is currently initialized
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extern bool SDL_SensorsInitialized(void);
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// Return whether the sensors are currently locked
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extern bool SDL_SensorsLocked(void);
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// Make sure we currently have the sensors locked
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extern void SDL_AssertSensorsLocked(void) SDL_ASSERT_CAPABILITY(SDL_sensor_lock);
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extern void SDL_LockSensors(void) SDL_ACQUIRE(SDL_sensor_lock);
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extern void SDL_UnlockSensors(void) SDL_RELEASE(SDL_sensor_lock);
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// Function to return whether there are any sensors opened by the application
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extern bool SDL_SensorsOpened(void);
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// Update an individual sensor, used by gamepad sensor fusion
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extern void SDL_UpdateSensor(SDL_Sensor *sensor);
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// Internal event queueing functions
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extern void SDL_SendSensorUpdate(Uint64 timestamp, SDL_Sensor *sensor, Uint64 sensor_timestamp, float *data, int num_values);
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#endif // SDL_sensor_c_h_
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