diff options
Diffstat (limited to 'src/input_common/drivers')
| -rw-r--r-- | src/input_common/drivers/sdl_driver.cpp | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/src/input_common/drivers/sdl_driver.cpp b/src/input_common/drivers/sdl_driver.cpp index d56351815..53e282ef3 100644 --- a/src/input_common/drivers/sdl_driver.cpp +++ b/src/input_common/drivers/sdl_driver.cpp @@ -94,7 +94,6 @@ public: bool RumblePlay(const Input::VibrationStatus vibration) { constexpr u32 rumble_max_duration_ms = 1000; - if (sdl_controller) { return SDL_GameControllerRumble( sdl_controller.get(), static_cast<u16>(vibration.low_amplitude), @@ -520,25 +519,31 @@ Input::VibrationError SDLDriver::SetRumble(const PadIdentifier& identifier, const Input::VibrationStatus vibration) { const auto joystick = GetSDLJoystickByGUID(identifier.guid.Format(), static_cast<int>(identifier.port)); - const auto process_amplitude = [](f32 amplitude) { - return (amplitude + std::pow(amplitude, 0.3f)) * 0.5f * 0xFFFF; + const auto process_amplitude_exp = [](f32 amplitude, f32 factor) { + return (amplitude + std::pow(amplitude, factor)) * 0.5f * 0xFFFF; }; - const Input::VibrationStatus exponential_vibration{ - .low_amplitude = process_amplitude(vibration.low_amplitude), + + // Default exponential curve for rumble + f32 factor = 0.35f; + + // If vibration is set as a linear output use a flatter value + if (vibration.type == Input::VibrationAmplificationType::Linear) { + factor = 0.5f; + } + + // Amplitude for HD rumble needs no modification + if (joystick->HasHDRumble()) { + factor = 1.0f; + } + + const Input::VibrationStatus new_vibration{ + .low_amplitude = process_amplitude_exp(vibration.low_amplitude, factor), .low_frequency = vibration.low_frequency, - .high_amplitude = process_amplitude(vibration.high_amplitude), + .high_amplitude = process_amplitude_exp(vibration.high_amplitude, factor), .high_frequency = vibration.high_frequency, .type = Input::VibrationAmplificationType::Exponential, }; - Input::VibrationStatus new_vibration{}; - - if (vibration.type == Input::VibrationAmplificationType::Linear || joystick->HasHDRumble()) { - new_vibration = vibration; - } else { - new_vibration = exponential_vibration; - } - if (!joystick->RumblePlay(new_vibration)) { return Input::VibrationError::Unknown; } |