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https://github.com/love2d/love.git
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Miku AuahDark
143 lines
3.0 KiB
C++
143 lines
3.0 KiB
C++
/**
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* Copyright (c) 2006-2022 LOVE Development Team
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*
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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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*
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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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*
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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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// LOVE
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#include "Sensor.h"
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// SDL
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#include <SDL.h>
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#include <SDL_sensor.h>
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namespace love
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{
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namespace sensor
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{
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namespace sdl
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{
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Sensor::Sensor()
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: sensors()
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{
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if (SDL_InitSubSystem(SDL_INIT_SENSOR) < 0)
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throw love::Exception("Could not initialize SDL sensor subsystem (%s)", SDL_GetError());
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}
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Sensor::~Sensor()
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{
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SDL_QuitSubSystem(SDL_INIT_SENSOR);
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}
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const char *Sensor::getName() const
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{
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return "love.sensor.sdl";
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}
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bool Sensor::isAvailable(SensorType type)
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{
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for (int i = 0; i < SDL_NumSensors(); i++)
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{
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if (convert(SDL_SensorGetDeviceType(i)) == type)
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return true;
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}
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return false;
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}
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bool Sensor::isEnabled(SensorType type)
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{
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return sensors[type]; // nullptr is default
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}
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void Sensor::setEnabled(SensorType type, bool enable)
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{
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if (sensors[type] && !enable)
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{
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SDL_SensorClose(sensors[type]);
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sensors[type] = nullptr;
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}
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else if (sensors[type] == nullptr && enable)
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{
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for (int i = 0; i < SDL_NumSensors(); i++)
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{
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if (convert(SDL_SensorGetDeviceType(i)) == type)
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{
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SDL_Sensor *sensorHandle = SDL_SensorOpen(i);
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if (sensorHandle == nullptr)
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{
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const char *name = nullptr;
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getConstant(type, name);
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throw love::Exception("Could not open \"%s\" SDL sensor (%s)", name, SDL_GetError());
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}
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sensors[type] = sensorHandle;
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}
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}
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}
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}
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std::vector<float> Sensor::getData(SensorType type)
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{
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if (sensors[type] == nullptr)
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{
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const char *name = nullptr;
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getConstant(type, name);
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throw love::Exception("\"%s\" sensor is not enabled", name);
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}
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std::vector<float> values;
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values.resize(3);
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SDL_SensorGetData(sensors[type], values.data(), 3);
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return values;
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}
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std::vector<void*> Sensor::getHandles()
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{
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std::vector<void*> nativeSensor;
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for (const std::pair<SensorType, SDL_Sensor*> &data: sensors)
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{
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if (data.second)
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nativeSensor.push_back(data.second);
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}
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return nativeSensor;
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}
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Sensor::SensorType Sensor::convert(SDL_SensorType type)
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{
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switch (type)
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{
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case SDL_SENSOR_ACCEL:
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return SENSOR_ACCELEROMETER;
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case SDL_SENSOR_GYRO:
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return SENSOR_GYROSCOPE;
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default:
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return SENSOR_MAX_ENUM;
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}
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}
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}
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}
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}
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