diff options
Diffstat (limited to 'src/input_common/sdl/sdl_impl.cpp')
-rw-r--r-- | src/input_common/sdl/sdl_impl.cpp | 74 |
1 files changed, 58 insertions, 16 deletions
diff --git a/src/input_common/sdl/sdl_impl.cpp b/src/input_common/sdl/sdl_impl.cpp index 18fb2ac5e..a2a83cdc9 100644 --- a/src/input_common/sdl/sdl_impl.cpp +++ b/src/input_common/sdl/sdl_impl.cpp @@ -85,16 +85,17 @@ public: using std::chrono::milliseconds; using std::chrono::steady_clock; - // Prevent vibrations less than 10ms apart from each other. - if (duration_cast<milliseconds>(steady_clock::now() - last_vibration) < milliseconds(10)) { + // Block non-zero vibrations less than 10ms apart from each other. + if ((amp_low != 0 || amp_high != 0) && + duration_cast<milliseconds>(steady_clock::now() - last_vibration) < milliseconds(10)) { return false; - }; + } last_vibration = steady_clock::now(); - if (sdl_controller != nullptr) { + if (sdl_controller) { return SDL_GameControllerRumble(sdl_controller.get(), amp_low, amp_high, 0) == 0; - } else if (sdl_joystick != nullptr) { + } else if (sdl_joystick) { return SDL_JoystickRumble(sdl_joystick.get(), amp_low, amp_high, 0) == 0; } @@ -321,14 +322,6 @@ public: return joystick->GetButton(button); } - bool SetRumblePlay(f32 amp_low, f32 freq_low, f32 amp_high, f32 freq_high) const override { - const u16 processed_amp_low = - static_cast<u16>(pow(amp_low, 0.5f) * (3.0f - 2.0f * pow(amp_low, 0.15f)) * 0xFFFF); - const u16 processed_amp_high = - static_cast<u16>(pow(amp_high, 0.5f) * (3.0f - 2.0f * pow(amp_high, 0.15f)) * 0xFFFF); - return joystick->RumblePlay(processed_amp_low, processed_amp_high); - } - private: std::shared_ptr<SDLJoystick> joystick; int button; @@ -412,6 +405,32 @@ private: const float range; }; +class SDLVibration final : public Input::VibrationDevice { +public: + explicit SDLVibration(std::shared_ptr<SDLJoystick> joystick_) + : joystick(std::move(joystick_)) {} + + u8 GetStatus() const override { + joystick->RumblePlay(1, 1); + return joystick->RumblePlay(0, 0); + } + + bool SetRumblePlay(f32 amp_low, f32 freq_low, f32 amp_high, f32 freq_high) const override { + const auto process_amplitude = [](f32 amplitude) { + return static_cast<u16>(std::pow(amplitude, 0.5f) * + (3.0f - 2.0f * std::pow(amplitude, 0.15f)) * 0xFFFF); + }; + + const auto processed_amp_low = process_amplitude(amp_low); + const auto processed_amp_high = process_amplitude(amp_high); + + return joystick->RumblePlay(processed_amp_low, processed_amp_high); + } + +private: + std::shared_ptr<SDLJoystick> joystick; +}; + class SDLDirectionMotion final : public Input::MotionDevice { public: explicit SDLDirectionMotion(std::shared_ptr<SDLJoystick> joystick_, int hat_, Uint8 direction_) @@ -554,7 +573,7 @@ class SDLAnalogFactory final : public Input::Factory<Input::AnalogDevice> { public: explicit SDLAnalogFactory(SDLState& state_) : state(state_) {} /** - * Creates analog device from joystick axes + * Creates an analog device from joystick axes * @param params contains parameters for creating the device: * - "guid": the guid of the joystick to bind * - "port": the nth joystick of the same type @@ -580,6 +599,26 @@ private: SDLState& state; }; +/// An vibration device factory that creates vibration devices from SDL joystick +class SDLVibrationFactory final : public Input::Factory<Input::VibrationDevice> { +public: + explicit SDLVibrationFactory(SDLState& state_) : state(state_) {} + /** + * Creates a vibration device from a joystick + * @param params contains parameters for creating the device: + * - "guid": the guid of the joystick to bind + * - "port": the nth joystick of the same type + */ + std::unique_ptr<Input::VibrationDevice> Create(const Common::ParamPackage& params) override { + const std::string guid = params.Get("guid", "0"); + const int port = params.Get("port", 0); + return std::make_unique<SDLVibration>(state.GetSDLJoystickByGUID(guid, port)); + } + +private: + SDLState& state; +}; + /// A motion device factory that creates motion devices from SDL joystick class SDLMotionFactory final : public Input::Factory<Input::MotionDevice> { public: @@ -646,11 +685,13 @@ private: SDLState::SDLState() { using namespace Input; - analog_factory = std::make_shared<SDLAnalogFactory>(*this); button_factory = std::make_shared<SDLButtonFactory>(*this); + analog_factory = std::make_shared<SDLAnalogFactory>(*this); + vibration_factory = std::make_shared<SDLVibrationFactory>(*this); motion_factory = std::make_shared<SDLMotionFactory>(*this); - RegisterFactory<AnalogDevice>("sdl", analog_factory); RegisterFactory<ButtonDevice>("sdl", button_factory); + RegisterFactory<AnalogDevice>("sdl", analog_factory); + RegisterFactory<VibrationDevice>("sdl", vibration_factory); RegisterFactory<MotionDevice>("sdl", motion_factory); // If the frontend is going to manage the event loop, then we don't start one here @@ -687,6 +728,7 @@ SDLState::~SDLState() { using namespace Input; UnregisterFactory<ButtonDevice>("sdl"); UnregisterFactory<AnalogDevice>("sdl"); + UnregisterFactory<VibrationDevice>("sdl"); UnregisterFactory<MotionDevice>("sdl"); CloseJoysticks(); |