diff options
Diffstat (limited to 'src/input_common/drivers/sdl_driver.cpp')
-rw-r--r-- | src/input_common/drivers/sdl_driver.cpp | 926 |
1 files changed, 926 insertions, 0 deletions
diff --git a/src/input_common/drivers/sdl_driver.cpp b/src/input_common/drivers/sdl_driver.cpp new file mode 100644 index 000000000..0cda9df62 --- /dev/null +++ b/src/input_common/drivers/sdl_driver.cpp @@ -0,0 +1,926 @@ +// Copyright 2018 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "common/logging/log.h" +#include "common/math_util.h" +#include "common/param_package.h" +#include "common/settings.h" +#include "common/thread.h" +#include "common/vector_math.h" +#include "input_common/drivers/sdl_driver.h" + +namespace InputCommon { + +namespace { +std::string GetGUID(SDL_Joystick* joystick) { + const SDL_JoystickGUID guid = SDL_JoystickGetGUID(joystick); + char guid_str[33]; + SDL_JoystickGetGUIDString(guid, guid_str, sizeof(guid_str)); + return guid_str; +} +} // Anonymous namespace + +static int SDLEventWatcher(void* user_data, SDL_Event* event) { + auto* const sdl_state = static_cast<SDLDriver*>(user_data); + + sdl_state->HandleGameControllerEvent(*event); + + return 0; +} + +class SDLJoystick { +public: + SDLJoystick(std::string guid_, int port_, SDL_Joystick* joystick, + SDL_GameController* game_controller) + : guid{std::move(guid_)}, port{port_}, sdl_joystick{joystick, &SDL_JoystickClose}, + sdl_controller{game_controller, &SDL_GameControllerClose} { + EnableMotion(); + } + + void EnableMotion() { + if (sdl_controller) { + SDL_GameController* controller = sdl_controller.get(); + if (SDL_GameControllerHasSensor(controller, SDL_SENSOR_ACCEL) && !has_accel) { + SDL_GameControllerSetSensorEnabled(controller, SDL_SENSOR_ACCEL, SDL_TRUE); + has_accel = true; + } + if (SDL_GameControllerHasSensor(controller, SDL_SENSOR_GYRO) && !has_gyro) { + SDL_GameControllerSetSensorEnabled(controller, SDL_SENSOR_GYRO, SDL_TRUE); + has_gyro = true; + } + } + } + + bool HasGyro() const { + return has_gyro; + } + + bool HasAccel() const { + return has_accel; + } + + bool UpdateMotion(SDL_ControllerSensorEvent event) { + constexpr float gravity_constant = 9.80665f; + std::lock_guard lock{mutex}; + const u64 time_difference = event.timestamp - last_motion_update; + last_motion_update = event.timestamp; + switch (event.sensor) { + case SDL_SENSOR_ACCEL: { + motion.accel_x = -event.data[0] / gravity_constant; + motion.accel_y = event.data[2] / gravity_constant; + motion.accel_z = -event.data[1] / gravity_constant; + break; + } + case SDL_SENSOR_GYRO: { + motion.gyro_x = event.data[0] / (Common::PI * 2); + motion.gyro_y = -event.data[2] / (Common::PI * 2); + motion.gyro_z = event.data[1] / (Common::PI * 2); + break; + } + } + + // Ignore duplicated timestamps + if (time_difference == 0) { + return false; + } + motion.delta_timestamp = time_difference * 1000; + return true; + } + + const BasicMotion& GetMotion() const { + return motion; + } + + bool RumblePlay(const Common::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), + static_cast<u16>(vibration.high_amplitude), rumble_max_duration_ms) != -1; + } else if (sdl_joystick) { + return SDL_JoystickRumble(sdl_joystick.get(), static_cast<u16>(vibration.low_amplitude), + static_cast<u16>(vibration.high_amplitude), + rumble_max_duration_ms) != -1; + } + + return false; + } + + bool HasHDRumble() const { + if (sdl_controller) { + return (SDL_GameControllerGetType(sdl_controller.get()) == + SDL_CONTROLLER_TYPE_NINTENDO_SWITCH_PRO); + } + return false; + } + /** + * The Pad identifier of the joystick + */ + const PadIdentifier GetPadIdentifier() const { + return { + .guid = Common::UUID{guid}, + .port = static_cast<std::size_t>(port), + .pad = 0, + }; + } + + /** + * The guid of the joystick + */ + const std::string& GetGUID() const { + return guid; + } + + /** + * The number of joystick from the same type that were connected before this joystick + */ + int GetPort() const { + return port; + } + + SDL_Joystick* GetSDLJoystick() const { + return sdl_joystick.get(); + } + + SDL_GameController* GetSDLGameController() const { + return sdl_controller.get(); + } + + void SetSDLJoystick(SDL_Joystick* joystick, SDL_GameController* controller) { + sdl_joystick.reset(joystick); + sdl_controller.reset(controller); + } + + bool IsJoyconLeft() const { + const std::string controller_name = GetControllerName(); + if (std::strstr(controller_name.c_str(), "Joy-Con Left") != nullptr) { + return true; + } + if (std::strstr(controller_name.c_str(), "Joy-Con (L)") != nullptr) { + return true; + } + return false; + } + + bool IsJoyconRight() const { + const std::string controller_name = GetControllerName(); + if (std::strstr(controller_name.c_str(), "Joy-Con Right") != nullptr) { + return true; + } + if (std::strstr(controller_name.c_str(), "Joy-Con (R)") != nullptr) { + return true; + } + return false; + } + + BatteryLevel GetBatteryLevel() { + const auto level = SDL_JoystickCurrentPowerLevel(sdl_joystick.get()); + switch (level) { + case SDL_JOYSTICK_POWER_EMPTY: + return BatteryLevel::Empty; + case SDL_JOYSTICK_POWER_LOW: + return BatteryLevel::Critical; + case SDL_JOYSTICK_POWER_MEDIUM: + return BatteryLevel::Low; + case SDL_JOYSTICK_POWER_FULL: + return BatteryLevel::Medium; + case SDL_JOYSTICK_POWER_MAX: + return BatteryLevel::Full; + case SDL_JOYSTICK_POWER_UNKNOWN: + case SDL_JOYSTICK_POWER_WIRED: + default: + return BatteryLevel::Charging; + } + } + + std::string GetControllerName() const { + if (sdl_controller) { + switch (SDL_GameControllerGetType(sdl_controller.get())) { + case SDL_CONTROLLER_TYPE_XBOX360: + return "XBox 360 Controller"; + case SDL_CONTROLLER_TYPE_XBOXONE: + return "XBox One Controller"; + default: + break; + } + const auto name = SDL_GameControllerName(sdl_controller.get()); + if (name) { + return name; + } + } + + if (sdl_joystick) { + const auto name = SDL_JoystickName(sdl_joystick.get()); + if (name) { + return name; + } + } + + return "Unknown"; + } + +private: + std::string guid; + int port; + std::unique_ptr<SDL_Joystick, decltype(&SDL_JoystickClose)> sdl_joystick; + std::unique_ptr<SDL_GameController, decltype(&SDL_GameControllerClose)> sdl_controller; + mutable std::mutex mutex; + + u64 last_motion_update{}; + bool has_gyro{false}; + bool has_accel{false}; + BasicMotion motion; +}; + +std::shared_ptr<SDLJoystick> SDLDriver::GetSDLJoystickByGUID(const std::string& guid, int port) { + std::lock_guard lock{joystick_map_mutex}; + const auto it = joystick_map.find(guid); + + if (it != joystick_map.end()) { + while (it->second.size() <= static_cast<std::size_t>(port)) { + auto joystick = std::make_shared<SDLJoystick>(guid, static_cast<int>(it->second.size()), + nullptr, nullptr); + it->second.emplace_back(std::move(joystick)); + } + + return it->second[static_cast<std::size_t>(port)]; + } + + auto joystick = std::make_shared<SDLJoystick>(guid, 0, nullptr, nullptr); + + return joystick_map[guid].emplace_back(std::move(joystick)); +} + +std::shared_ptr<SDLJoystick> SDLDriver::GetSDLJoystickBySDLID(SDL_JoystickID sdl_id) { + auto sdl_joystick = SDL_JoystickFromInstanceID(sdl_id); + const std::string guid = GetGUID(sdl_joystick); + + std::lock_guard lock{joystick_map_mutex}; + const auto map_it = joystick_map.find(guid); + + if (map_it == joystick_map.end()) { + return nullptr; + } + + const auto vec_it = std::find_if(map_it->second.begin(), map_it->second.end(), + [&sdl_joystick](const auto& joystick) { + return joystick->GetSDLJoystick() == sdl_joystick; + }); + + if (vec_it == map_it->second.end()) { + return nullptr; + } + + return *vec_it; +} + +void SDLDriver::InitJoystick(int joystick_index) { + SDL_Joystick* sdl_joystick = SDL_JoystickOpen(joystick_index); + SDL_GameController* sdl_gamecontroller = nullptr; + + if (SDL_IsGameController(joystick_index)) { + sdl_gamecontroller = SDL_GameControllerOpen(joystick_index); + } + + if (!sdl_joystick) { + LOG_ERROR(Input, "Failed to open joystick {}", joystick_index); + return; + } + + const std::string guid = GetGUID(sdl_joystick); + + std::lock_guard lock{joystick_map_mutex}; + if (joystick_map.find(guid) == joystick_map.end()) { + auto joystick = std::make_shared<SDLJoystick>(guid, 0, sdl_joystick, sdl_gamecontroller); + PreSetController(joystick->GetPadIdentifier()); + SetBattery(joystick->GetPadIdentifier(), joystick->GetBatteryLevel()); + joystick_map[guid].emplace_back(std::move(joystick)); + return; + } + + auto& joystick_guid_list = joystick_map[guid]; + const auto joystick_it = + std::find_if(joystick_guid_list.begin(), joystick_guid_list.end(), + [](const auto& joystick) { return !joystick->GetSDLJoystick(); }); + + if (joystick_it != joystick_guid_list.end()) { + (*joystick_it)->SetSDLJoystick(sdl_joystick, sdl_gamecontroller); + return; + } + + const int port = static_cast<int>(joystick_guid_list.size()); + auto joystick = std::make_shared<SDLJoystick>(guid, port, sdl_joystick, sdl_gamecontroller); + PreSetController(joystick->GetPadIdentifier()); + SetBattery(joystick->GetPadIdentifier(), joystick->GetBatteryLevel()); + joystick_guid_list.emplace_back(std::move(joystick)); +} + +void SDLDriver::CloseJoystick(SDL_Joystick* sdl_joystick) { + const std::string guid = GetGUID(sdl_joystick); + + std::lock_guard lock{joystick_map_mutex}; + // This call to guid is safe since the joystick is guaranteed to be in the map + const auto& joystick_guid_list = joystick_map[guid]; + const auto joystick_it = std::find_if(joystick_guid_list.begin(), joystick_guid_list.end(), + [&sdl_joystick](const auto& joystick) { + return joystick->GetSDLJoystick() == sdl_joystick; + }); + + if (joystick_it != joystick_guid_list.end()) { + (*joystick_it)->SetSDLJoystick(nullptr, nullptr); + } +} + +void SDLDriver::HandleGameControllerEvent(const SDL_Event& event) { + switch (event.type) { + case SDL_JOYBUTTONUP: { + if (const auto joystick = GetSDLJoystickBySDLID(event.jbutton.which)) { + const PadIdentifier identifier = joystick->GetPadIdentifier(); + SetButton(identifier, event.jbutton.button, false); + } + break; + } + case SDL_JOYBUTTONDOWN: { + if (const auto joystick = GetSDLJoystickBySDLID(event.jbutton.which)) { + const PadIdentifier identifier = joystick->GetPadIdentifier(); + SetButton(identifier, event.jbutton.button, true); + } + break; + } + case SDL_JOYHATMOTION: { + if (const auto joystick = GetSDLJoystickBySDLID(event.jhat.which)) { + const PadIdentifier identifier = joystick->GetPadIdentifier(); + SetHatButton(identifier, event.jhat.hat, event.jhat.value); + } + break; + } + case SDL_JOYAXISMOTION: { + if (const auto joystick = GetSDLJoystickBySDLID(event.jaxis.which)) { + const PadIdentifier identifier = joystick->GetPadIdentifier(); + SetAxis(identifier, event.jaxis.axis, event.jaxis.value / 32767.0f); + } + break; + } + case SDL_CONTROLLERSENSORUPDATE: { + if (auto joystick = GetSDLJoystickBySDLID(event.csensor.which)) { + if (joystick->UpdateMotion(event.csensor)) { + const PadIdentifier identifier = joystick->GetPadIdentifier(); + SetMotion(identifier, 0, joystick->GetMotion()); + } + } + break; + } + case SDL_JOYDEVICEREMOVED: + LOG_DEBUG(Input, "Controller removed with Instance_ID {}", event.jdevice.which); + CloseJoystick(SDL_JoystickFromInstanceID(event.jdevice.which)); + break; + case SDL_JOYDEVICEADDED: + LOG_DEBUG(Input, "Controller connected with device index {}", event.jdevice.which); + InitJoystick(event.jdevice.which); + break; + } +} + +void SDLDriver::CloseJoysticks() { + std::lock_guard lock{joystick_map_mutex}; + joystick_map.clear(); +} + +SDLDriver::SDLDriver(std::string input_engine_) : InputEngine(std::move(input_engine_)) { + if (!Settings::values.enable_raw_input) { + // Disable raw input. When enabled this setting causes SDL to die when a web applet opens + SDL_SetHint(SDL_HINT_JOYSTICK_RAWINPUT, "0"); + } + + // Prevent SDL from adding undesired axis + SDL_SetHint(SDL_HINT_ACCELEROMETER_AS_JOYSTICK, "0"); + + // Enable HIDAPI rumble. This prevents SDL from disabling motion on PS4 and PS5 controllers + SDL_SetHint(SDL_HINT_JOYSTICK_HIDAPI_PS4_RUMBLE, "1"); + SDL_SetHint(SDL_HINT_JOYSTICK_HIDAPI_PS5_RUMBLE, "1"); + SDL_SetHint(SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS, "1"); + + // Use hidapi driver for joycons. This will allow joycons to be detected as a GameController and + // not a generic one + SDL_SetHint(SDL_HINT_JOYSTICK_HIDAPI_JOY_CONS, "1"); + + // Disable hidapi driver for xbox. Already default on Windows, this causes conflict with native + // driver on Linux. + SDL_SetHint(SDL_HINT_JOYSTICK_HIDAPI_XBOX, "0"); + + // If the frontend is going to manage the event loop, then we don't start one here + start_thread = SDL_WasInit(SDL_INIT_JOYSTICK | SDL_INIT_GAMECONTROLLER) == 0; + if (start_thread && SDL_Init(SDL_INIT_JOYSTICK | SDL_INIT_GAMECONTROLLER) < 0) { + LOG_CRITICAL(Input, "SDL_Init failed with: {}", SDL_GetError()); + return; + } + + SDL_AddEventWatch(&SDLEventWatcher, this); + + initialized = true; + if (start_thread) { + poll_thread = std::thread([this] { + Common::SetCurrentThreadName("yuzu:input:SDL"); + using namespace std::chrono_literals; + while (initialized) { + SDL_PumpEvents(); + std::this_thread::sleep_for(1ms); + } + }); + } + // Because the events for joystick connection happens before we have our event watcher added, we + // can just open all the joysticks right here + for (int i = 0; i < SDL_NumJoysticks(); ++i) { + InitJoystick(i); + } +} + +SDLDriver::~SDLDriver() { + CloseJoysticks(); + SDL_DelEventWatch(&SDLEventWatcher, this); + + initialized = false; + if (start_thread) { + poll_thread.join(); + SDL_QuitSubSystem(SDL_INIT_JOYSTICK | SDL_INIT_GAMECONTROLLER); + } +} + +std::vector<Common::ParamPackage> SDLDriver::GetInputDevices() const { + std::vector<Common::ParamPackage> devices; + std::unordered_map<int, std::shared_ptr<SDLJoystick>> joycon_pairs; + for (const auto& [key, value] : joystick_map) { + for (const auto& joystick : value) { + if (!joystick->GetSDLJoystick()) { + continue; + } + const std::string name = + fmt::format("{} {}", joystick->GetControllerName(), joystick->GetPort()); + devices.emplace_back(Common::ParamPackage{ + {"engine", GetEngineName()}, + {"display", std::move(name)}, + {"guid", joystick->GetGUID()}, + {"port", std::to_string(joystick->GetPort())}, + }); + if (joystick->IsJoyconLeft()) { + joycon_pairs.insert_or_assign(joystick->GetPort(), joystick); + } + } + } + + // Add dual controllers + for (const auto& [key, value] : joystick_map) { + for (const auto& joystick : value) { + if (joystick->IsJoyconRight()) { + if (!joycon_pairs.contains(joystick->GetPort())) { + continue; + } + const auto joystick2 = joycon_pairs.at(joystick->GetPort()); + + const std::string name = + fmt::format("{} {}", "Nintendo Dual Joy-Con", joystick->GetPort()); + devices.emplace_back(Common::ParamPackage{ + {"engine", GetEngineName()}, + {"display", std::move(name)}, + {"guid", joystick->GetGUID()}, + {"guid2", joystick2->GetGUID()}, + {"port", std::to_string(joystick->GetPort())}, + }); + } + } + } + return devices; +} + +Common::Input::VibrationError SDLDriver::SetRumble( + const PadIdentifier& identifier, const Common::Input::VibrationStatus& vibration) { + const auto joystick = + GetSDLJoystickByGUID(identifier.guid.Format(), static_cast<int>(identifier.port)); + const auto process_amplitude_exp = [](f32 amplitude, f32 factor) { + return (amplitude + std::pow(amplitude, factor)) * 0.5f * 0xFFFF; + }; + + // Default exponential curve for rumble + f32 factor = 0.35f; + + // If vibration is set as a linear output use a flatter value + if (vibration.type == Common::Input::VibrationAmplificationType::Linear) { + factor = 0.5f; + } + + // Amplitude for HD rumble needs no modification + if (joystick->HasHDRumble()) { + factor = 1.0f; + } + + const Common::Input::VibrationStatus new_vibration{ + .low_amplitude = process_amplitude_exp(vibration.low_amplitude, factor), + .low_frequency = vibration.low_frequency, + .high_amplitude = process_amplitude_exp(vibration.high_amplitude, factor), + .high_frequency = vibration.high_frequency, + .type = Common::Input::VibrationAmplificationType::Exponential, + }; + + if (!joystick->RumblePlay(new_vibration)) { + return Common::Input::VibrationError::Unknown; + } + + return Common::Input::VibrationError::None; +} + +Common::ParamPackage SDLDriver::BuildAnalogParamPackageForButton(int port, std::string guid, + s32 axis, float value) const { + Common::ParamPackage params{}; + params.Set("engine", GetEngineName()); + params.Set("port", port); + params.Set("guid", std::move(guid)); + params.Set("axis", axis); + params.Set("threshold", "0.5"); + params.Set("invert", value < 0 ? "-" : "+"); + return params; +} + +Common::ParamPackage SDLDriver::BuildButtonParamPackageForButton(int port, std::string guid, + s32 button) const { + Common::ParamPackage params{}; + params.Set("engine", GetEngineName()); + params.Set("port", port); + params.Set("guid", std::move(guid)); + params.Set("button", button); + return params; +} + +Common::ParamPackage SDLDriver::BuildHatParamPackageForButton(int port, std::string guid, s32 hat, + u8 value) const { + Common::ParamPackage params{}; + params.Set("engine", GetEngineName()); + params.Set("port", port); + params.Set("guid", std::move(guid)); + params.Set("hat", hat); + params.Set("direction", GetHatButtonName(value)); + return params; +} + +Common::ParamPackage SDLDriver::BuildMotionParam(int port, std::string guid) const { + Common::ParamPackage params{}; + params.Set("engine", GetEngineName()); + params.Set("motion", 0); + params.Set("port", port); + params.Set("guid", std::move(guid)); + return params; +} + +Common::ParamPackage SDLDriver::BuildParamPackageForBinding( + int port, const std::string& guid, const SDL_GameControllerButtonBind& binding) const { + switch (binding.bindType) { + case SDL_CONTROLLER_BINDTYPE_NONE: + break; + case SDL_CONTROLLER_BINDTYPE_AXIS: + return BuildAnalogParamPackageForButton(port, guid, binding.value.axis); + case SDL_CONTROLLER_BINDTYPE_BUTTON: + return BuildButtonParamPackageForButton(port, guid, binding.value.button); + case SDL_CONTROLLER_BINDTYPE_HAT: + return BuildHatParamPackageForButton(port, guid, binding.value.hat.hat, + static_cast<u8>(binding.value.hat.hat_mask)); + } + return {}; +} + +Common::ParamPackage SDLDriver::BuildParamPackageForAnalog(PadIdentifier identifier, int axis_x, + int axis_y, float offset_x, + float offset_y) const { + Common::ParamPackage params; + params.Set("engine", GetEngineName()); + params.Set("port", static_cast<int>(identifier.port)); + params.Set("guid", identifier.guid.Format()); + params.Set("axis_x", axis_x); + params.Set("axis_y", axis_y); + params.Set("offset_x", offset_x); + params.Set("offset_y", offset_y); + params.Set("invert_x", "+"); + params.Set("invert_y", "+"); + return params; +} + +ButtonMapping SDLDriver::GetButtonMappingForDevice(const Common::ParamPackage& params) { + if (!params.Has("guid") || !params.Has("port")) { + return {}; + } + const auto joystick = GetSDLJoystickByGUID(params.Get("guid", ""), params.Get("port", 0)); + + auto* controller = joystick->GetSDLGameController(); + if (controller == nullptr) { + return {}; + } + + // This list is missing ZL/ZR since those are not considered buttons in SDL GameController. + // We will add those afterwards + // This list also excludes Screenshot since theres not really a mapping for that + ButtonBindings switch_to_sdl_button; + + if (SDL_GameControllerGetType(controller) == SDL_CONTROLLER_TYPE_NINTENDO_SWITCH_PRO) { + switch_to_sdl_button = GetNintendoButtonBinding(joystick); + } else { + switch_to_sdl_button = GetDefaultButtonBinding(); + } + + // Add the missing bindings for ZL/ZR + static constexpr ZButtonBindings switch_to_sdl_axis{{ + {Settings::NativeButton::ZL, SDL_CONTROLLER_AXIS_TRIGGERLEFT}, + {Settings::NativeButton::ZR, SDL_CONTROLLER_AXIS_TRIGGERRIGHT}, + }}; + + // Parameters contain two joysticks return dual + if (params.Has("guid2")) { + const auto joystick2 = GetSDLJoystickByGUID(params.Get("guid2", ""), params.Get("port", 0)); + + if (joystick2->GetSDLGameController() != nullptr) { + return GetDualControllerMapping(joystick, joystick2, switch_to_sdl_button, + switch_to_sdl_axis); + } + } + + return GetSingleControllerMapping(joystick, switch_to_sdl_button, switch_to_sdl_axis); +} + +ButtonBindings SDLDriver::GetDefaultButtonBinding() const { + return { + std::pair{Settings::NativeButton::A, SDL_CONTROLLER_BUTTON_B}, + {Settings::NativeButton::B, SDL_CONTROLLER_BUTTON_A}, + {Settings::NativeButton::X, SDL_CONTROLLER_BUTTON_Y}, + {Settings::NativeButton::Y, SDL_CONTROLLER_BUTTON_X}, + {Settings::NativeButton::LStick, SDL_CONTROLLER_BUTTON_LEFTSTICK}, + {Settings::NativeButton::RStick, SDL_CONTROLLER_BUTTON_RIGHTSTICK}, + {Settings::NativeButton::L, SDL_CONTROLLER_BUTTON_LEFTSHOULDER}, + {Settings::NativeButton::R, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER}, + {Settings::NativeButton::Plus, SDL_CONTROLLER_BUTTON_START}, + {Settings::NativeButton::Minus, SDL_CONTROLLER_BUTTON_BACK}, + {Settings::NativeButton::DLeft, SDL_CONTROLLER_BUTTON_DPAD_LEFT}, + {Settings::NativeButton::DUp, SDL_CONTROLLER_BUTTON_DPAD_UP}, + {Settings::NativeButton::DRight, SDL_CONTROLLER_BUTTON_DPAD_RIGHT}, + {Settings::NativeButton::DDown, SDL_CONTROLLER_BUTTON_DPAD_DOWN}, + {Settings::NativeButton::SL, SDL_CONTROLLER_BUTTON_LEFTSHOULDER}, + {Settings::NativeButton::SR, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER}, + {Settings::NativeButton::Home, SDL_CONTROLLER_BUTTON_GUIDE}, + }; +} + +ButtonBindings SDLDriver::GetNintendoButtonBinding( + const std::shared_ptr<SDLJoystick>& joystick) const { + // Default SL/SR mapping for pro controllers + auto sl_button = SDL_CONTROLLER_BUTTON_LEFTSHOULDER; + auto sr_button = SDL_CONTROLLER_BUTTON_RIGHTSHOULDER; + + if (joystick->IsJoyconLeft()) { + sl_button = SDL_CONTROLLER_BUTTON_PADDLE2; + sr_button = SDL_CONTROLLER_BUTTON_PADDLE4; + } + if (joystick->IsJoyconRight()) { + sl_button = SDL_CONTROLLER_BUTTON_PADDLE3; + sr_button = SDL_CONTROLLER_BUTTON_PADDLE1; + } + + return { + std::pair{Settings::NativeButton::A, SDL_CONTROLLER_BUTTON_A}, + {Settings::NativeButton::B, SDL_CONTROLLER_BUTTON_B}, + {Settings::NativeButton::X, SDL_CONTROLLER_BUTTON_X}, + {Settings::NativeButton::Y, SDL_CONTROLLER_BUTTON_Y}, + {Settings::NativeButton::LStick, SDL_CONTROLLER_BUTTON_LEFTSTICK}, + {Settings::NativeButton::RStick, SDL_CONTROLLER_BUTTON_RIGHTSTICK}, + {Settings::NativeButton::L, SDL_CONTROLLER_BUTTON_LEFTSHOULDER}, + {Settings::NativeButton::R, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER}, + {Settings::NativeButton::Plus, SDL_CONTROLLER_BUTTON_START}, + {Settings::NativeButton::Minus, SDL_CONTROLLER_BUTTON_BACK}, + {Settings::NativeButton::DLeft, SDL_CONTROLLER_BUTTON_DPAD_LEFT}, + {Settings::NativeButton::DUp, SDL_CONTROLLER_BUTTON_DPAD_UP}, + {Settings::NativeButton::DRight, SDL_CONTROLLER_BUTTON_DPAD_RIGHT}, + {Settings::NativeButton::DDown, SDL_CONTROLLER_BUTTON_DPAD_DOWN}, + {Settings::NativeButton::SL, sl_button}, + {Settings::NativeButton::SR, sr_button}, + {Settings::NativeButton::Home, SDL_CONTROLLER_BUTTON_GUIDE}, + }; +} + +ButtonMapping SDLDriver::GetSingleControllerMapping( + const std::shared_ptr<SDLJoystick>& joystick, const ButtonBindings& switch_to_sdl_button, + const ZButtonBindings& switch_to_sdl_axis) const { + ButtonMapping mapping; + mapping.reserve(switch_to_sdl_button.size() + switch_to_sdl_axis.size()); + auto* controller = joystick->GetSDLGameController(); + + for (const auto& [switch_button, sdl_button] : switch_to_sdl_button) { + const auto& binding = SDL_GameControllerGetBindForButton(controller, sdl_button); + mapping.insert_or_assign( + switch_button, + BuildParamPackageForBinding(joystick->GetPort(), joystick->GetGUID(), binding)); + } + for (const auto& [switch_button, sdl_axis] : switch_to_sdl_axis) { + const auto& binding = SDL_GameControllerGetBindForAxis(controller, sdl_axis); + mapping.insert_or_assign( + switch_button, + BuildParamPackageForBinding(joystick->GetPort(), joystick->GetGUID(), binding)); + } + + return mapping; +} + +ButtonMapping SDLDriver::GetDualControllerMapping(const std::shared_ptr<SDLJoystick>& joystick, + const std::shared_ptr<SDLJoystick>& joystick2, + const ButtonBindings& switch_to_sdl_button, + const ZButtonBindings& switch_to_sdl_axis) const { + ButtonMapping mapping; + mapping.reserve(switch_to_sdl_button.size() + switch_to_sdl_axis.size()); + auto* controller = joystick->GetSDLGameController(); + auto* controller2 = joystick2->GetSDLGameController(); + + for (const auto& [switch_button, sdl_button] : switch_to_sdl_button) { + if (IsButtonOnLeftSide(switch_button)) { + const auto& binding = SDL_GameControllerGetBindForButton(controller2, sdl_button); + mapping.insert_or_assign( + switch_button, + BuildParamPackageForBinding(joystick2->GetPort(), joystick2->GetGUID(), binding)); + continue; + } + const auto& binding = SDL_GameControllerGetBindForButton(controller, sdl_button); + mapping.insert_or_assign( + switch_button, + BuildParamPackageForBinding(joystick->GetPort(), joystick->GetGUID(), binding)); + } + for (const auto& [switch_button, sdl_axis] : switch_to_sdl_axis) { + if (IsButtonOnLeftSide(switch_button)) { + const auto& binding = SDL_GameControllerGetBindForAxis(controller2, sdl_axis); + mapping.insert_or_assign( + switch_button, + BuildParamPackageForBinding(joystick2->GetPort(), joystick2->GetGUID(), binding)); + continue; + } + const auto& binding = SDL_GameControllerGetBindForAxis(controller, sdl_axis); + mapping.insert_or_assign( + switch_button, + BuildParamPackageForBinding(joystick->GetPort(), joystick->GetGUID(), binding)); + } + + return mapping; +} + +bool SDLDriver::IsButtonOnLeftSide(Settings::NativeButton::Values button) const { + switch (button) { + case Settings::NativeButton::DDown: + case Settings::NativeButton::DLeft: + case Settings::NativeButton::DRight: + case Settings::NativeButton::DUp: + case Settings::NativeButton::L: + case Settings::NativeButton::LStick: + case Settings::NativeButton::Minus: + case Settings::NativeButton::Screenshot: + case Settings::NativeButton::ZL: + return true; + default: + return false; + } +} + +AnalogMapping SDLDriver::GetAnalogMappingForDevice(const Common::ParamPackage& params) { + if (!params.Has("guid") || !params.Has("port")) { + return {}; + } + const auto joystick = GetSDLJoystickByGUID(params.Get("guid", ""), params.Get("port", 0)); + const auto joystick2 = GetSDLJoystickByGUID(params.Get("guid2", ""), params.Get("port", 0)); + auto* controller = joystick->GetSDLGameController(); + if (controller == nullptr) { + return {}; + } + + AnalogMapping mapping = {}; + const auto& binding_left_x = + SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_LEFTX); + const auto& binding_left_y = + SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_LEFTY); + if (params.Has("guid2")) { + const auto identifier = joystick2->GetPadIdentifier(); + PreSetController(identifier); + PreSetAxis(identifier, binding_left_x.value.axis); + PreSetAxis(identifier, binding_left_y.value.axis); + const auto left_offset_x = -GetAxis(identifier, binding_left_x.value.axis); + const auto left_offset_y = -GetAxis(identifier, binding_left_y.value.axis); + mapping.insert_or_assign(Settings::NativeAnalog::LStick, + BuildParamPackageForAnalog(identifier, binding_left_x.value.axis, + binding_left_y.value.axis, + left_offset_x, left_offset_y)); + } else { + const auto identifier = joystick->GetPadIdentifier(); + PreSetController(identifier); + PreSetAxis(identifier, binding_left_x.value.axis); + PreSetAxis(identifier, binding_left_y.value.axis); + const auto left_offset_x = -GetAxis(identifier, binding_left_x.value.axis); + const auto left_offset_y = -GetAxis(identifier, binding_left_y.value.axis); + mapping.insert_or_assign(Settings::NativeAnalog::LStick, + BuildParamPackageForAnalog(identifier, binding_left_x.value.axis, + binding_left_y.value.axis, + left_offset_x, left_offset_y)); + } + const auto& binding_right_x = + SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_RIGHTX); + const auto& binding_right_y = + SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_RIGHTY); + const auto identifier = joystick->GetPadIdentifier(); + PreSetController(identifier); + PreSetAxis(identifier, binding_right_x.value.axis); + PreSetAxis(identifier, binding_right_y.value.axis); + const auto right_offset_x = -GetAxis(identifier, binding_right_x.value.axis); + const auto right_offset_y = -GetAxis(identifier, binding_right_y.value.axis); + mapping.insert_or_assign(Settings::NativeAnalog::RStick, + BuildParamPackageForAnalog(identifier, binding_right_x.value.axis, + binding_right_y.value.axis, right_offset_x, + right_offset_y)); + return mapping; +} + +MotionMapping SDLDriver::GetMotionMappingForDevice(const Common::ParamPackage& params) { + if (!params.Has("guid") || !params.Has("port")) { + return {}; + } + const auto joystick = GetSDLJoystickByGUID(params.Get("guid", ""), params.Get("port", 0)); + const auto joystick2 = GetSDLJoystickByGUID(params.Get("guid2", ""), params.Get("port", 0)); + auto* controller = joystick->GetSDLGameController(); + if (controller == nullptr) { + return {}; + } + + MotionMapping mapping = {}; + joystick->EnableMotion(); + + if (joystick->HasGyro() || joystick->HasAccel()) { + mapping.insert_or_assign(Settings::NativeMotion::MotionRight, + BuildMotionParam(joystick->GetPort(), joystick->GetGUID())); + } + if (params.Has("guid2")) { + joystick2->EnableMotion(); + if (joystick2->HasGyro() || joystick2->HasAccel()) { + mapping.insert_or_assign(Settings::NativeMotion::MotionLeft, + BuildMotionParam(joystick2->GetPort(), joystick2->GetGUID())); + } + } else { + if (joystick->HasGyro() || joystick->HasAccel()) { + mapping.insert_or_assign(Settings::NativeMotion::MotionLeft, + BuildMotionParam(joystick->GetPort(), joystick->GetGUID())); + } + } + + return mapping; +} + +Common::Input::ButtonNames SDLDriver::GetUIName(const Common::ParamPackage& params) const { + if (params.Has("button")) { + // TODO(German77): Find how to substitue the values for real button names + return Common::Input::ButtonNames::Value; + } + if (params.Has("hat")) { + return Common::Input::ButtonNames::Value; + } + if (params.Has("axis")) { + return Common::Input::ButtonNames::Value; + } + if (params.Has("axis_x") && params.Has("axis_y") && params.Has("axis_z")) { + return Common::Input::ButtonNames::Value; + } + if (params.Has("motion")) { + return Common::Input::ButtonNames::Engine; + } + + return Common::Input::ButtonNames::Invalid; +} + +std::string SDLDriver::GetHatButtonName(u8 direction_value) const { + switch (direction_value) { + case SDL_HAT_UP: + return "up"; + case SDL_HAT_DOWN: + return "down"; + case SDL_HAT_LEFT: + return "left"; + case SDL_HAT_RIGHT: + return "right"; + default: + return {}; + } +} + +u8 SDLDriver::GetHatButtonId(const std::string& direction_name) const { + Uint8 direction; + if (direction_name == "up") { + direction = SDL_HAT_UP; + } else if (direction_name == "down") { + direction = SDL_HAT_DOWN; + } else if (direction_name == "left") { + direction = SDL_HAT_LEFT; + } else if (direction_name == "right") { + direction = SDL_HAT_RIGHT; + } else { + direction = 0; + } + return direction; +} + +} // namespace InputCommon |