diff options
Diffstat (limited to 'src/input_common/sdl/sdl_impl.cpp')
| -rw-r--r-- | src/input_common/sdl/sdl_impl.cpp | 300 |
1 files changed, 264 insertions, 36 deletions
diff --git a/src/input_common/sdl/sdl_impl.cpp b/src/input_common/sdl/sdl_impl.cpp index a9e676f4b..9c3035920 100644 --- a/src/input_common/sdl/sdl_impl.cpp +++ b/src/input_common/sdl/sdl_impl.cpp @@ -5,6 +5,7 @@ #include <algorithm> #include <array> #include <atomic> +#include <chrono> #include <cmath> #include <functional> #include <mutex> @@ -21,6 +22,7 @@ #include "common/param_package.h" #include "common/threadsafe_queue.h" #include "core/frontend/input.h" +#include "input_common/motion_input.h" #include "input_common/sdl/sdl_impl.h" #include "input_common/settings.h" @@ -54,9 +56,9 @@ static int SDLEventWatcher(void* user_data, SDL_Event* event) { class SDLJoystick { public: SDLJoystick(std::string guid_, int port_, SDL_Joystick* joystick, - SDL_GameController* gamecontroller) + SDL_GameController* game_controller) : guid{std::move(guid_)}, port{port_}, sdl_joystick{joystick, &SDL_JoystickClose}, - sdl_controller{gamecontroller, &SDL_GameControllerClose} {} + sdl_controller{game_controller, &SDL_GameControllerClose} {} void SetButton(int button, bool value) { std::lock_guard lock{mutex}; @@ -75,7 +77,34 @@ public: float GetAxis(int axis, float range) const { std::lock_guard lock{mutex}; - return state.axes.at(axis) / (32767.0f * range); + return static_cast<float>(state.axes.at(axis)) / (32767.0f * range); + } + + bool RumblePlay(f32 amp_low, f32 amp_high, u32 time) { + const u16 raw_amp_low = static_cast<u16>(amp_low * 0xFFFF); + const u16 raw_amp_high = static_cast<u16>(amp_high * 0xFFFF); + // Lower drastically the number of state changes + if (raw_amp_low >> 11 == last_state_rumble_low >> 11 && + raw_amp_high >> 11 == last_state_rumble_high >> 11) { + if (raw_amp_low + raw_amp_high != 0 || + last_state_rumble_low + last_state_rumble_high == 0) { + return false; + } + } + // Don't change state if last vibration was < 20ms + const auto now = std::chrono::system_clock::now(); + if (std::chrono::duration_cast<std::chrono::milliseconds>(now - last_vibration) < + std::chrono::milliseconds(20)) { + return raw_amp_low + raw_amp_high == 0; + } + + last_vibration = now; + last_state_rumble_low = raw_amp_low; + last_state_rumble_high = raw_amp_high; + if (sdl_joystick) { + SDL_JoystickRumble(sdl_joystick.get(), raw_amp_low, raw_amp_high, time); + } + return false; } std::tuple<float, float> GetAnalog(int axis_x, int axis_y, float range) const { @@ -95,6 +124,10 @@ public: return std::make_tuple(x, y); } + const MotionInput& GetMotion() const { + return motion; + } + void SetHat(int hat, Uint8 direction) { std::lock_guard lock{mutex}; state.hats.insert_or_assign(hat, direction); @@ -139,9 +172,15 @@ private: } state; std::string guid; int port; + u16 last_state_rumble_high = 0; + u16 last_state_rumble_low = 0; + std::chrono::time_point<std::chrono::system_clock> last_vibration; std::unique_ptr<SDL_Joystick, decltype(&SDL_JoystickClose)> sdl_joystick; std::unique_ptr<SDL_GameController, decltype(&SDL_GameControllerClose)> sdl_controller; mutable std::mutex mutex; + + // Motion is initialized without PID values as motion input is not aviable for SDL2 + MotionInput motion{0.0f, 0.0f, 0.0f}; }; std::shared_ptr<SDLJoystick> SDLState::GetSDLJoystickByGUID(const std::string& guid, int port) { @@ -153,7 +192,7 @@ std::shared_ptr<SDLJoystick> SDLState::GetSDLJoystickByGUID(const std::string& g nullptr, nullptr); it->second.emplace_back(std::move(joystick)); } - return it->second[port]; + 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)); @@ -173,7 +212,7 @@ std::shared_ptr<SDLJoystick> SDLState::GetSDLJoystickBySDLID(SDL_JoystickID sdl_ return sdl_joystick == joystick->GetSDLJoystick(); }); if (vec_it != map_it->second.end()) { - // This is the common case: There is already an existing SDL_Joystick maped to a + // This is the common case: There is already an existing SDL_Joystick mapped to a // SDLJoystick. return the SDLJoystick return *vec_it; } @@ -181,7 +220,7 @@ std::shared_ptr<SDLJoystick> SDLState::GetSDLJoystickBySDLID(SDL_JoystickID sdl_ // Search for a SDLJoystick without a mapped SDL_Joystick... const auto nullptr_it = std::find_if(map_it->second.begin(), map_it->second.end(), [](const std::shared_ptr<SDLJoystick>& joystick) { - return !joystick->GetSDLJoystick(); + return joystick->GetSDLJoystick() == nullptr; }); if (nullptr_it != map_it->second.end()) { // ... and map it @@ -207,7 +246,7 @@ void SDLState::InitJoystick(int joystick_index) { sdl_gamecontroller = SDL_GameControllerOpen(joystick_index); } if (!sdl_joystick) { - LOG_ERROR(Input, "failed to open joystick {}", joystick_index); + LOG_ERROR(Input, "Failed to open joystick {}", joystick_index); return; } const std::string guid = GetGUID(sdl_joystick); @@ -234,22 +273,19 @@ void SDLState::InitJoystick(int joystick_index) { void SDLState::CloseJoystick(SDL_Joystick* sdl_joystick) { const std::string guid = GetGUID(sdl_joystick); - std::shared_ptr<SDLJoystick> 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 std::shared_ptr<SDLJoystick>& joystick) { - return joystick->GetSDLJoystick() == sdl_joystick; - }); - joystick = *joystick_it; - } + std::lock_guard lock{joystick_map_mutex}; + auto& joystick_guid_list = joystick_map[guid]; + auto joystick_it = std::find_if( + joystick_guid_list.begin(), joystick_guid_list.end(), + [&sdl_joystick](auto& joystick) { return joystick->GetSDLJoystick() == sdl_joystick; }); - // Destruct SDL_Joystick outside the lock guard because SDL can internally call the - // event callback which locks the mutex again. - joystick->SetSDLJoystick(nullptr, nullptr); + if (joystick_it != joystick_guid_list.end()) { + (*joystick_it)->SetSDLJoystick(nullptr, nullptr); + joystick_guid_list.erase(joystick_it); + if (joystick_guid_list.empty()) { + joystick_map.erase(guid); + } + } } void SDLState::HandleGameControllerEvent(const SDL_Event& event) { @@ -303,6 +339,12 @@ public: return joystick->GetButton(button); } + bool SetRumblePlay(f32 amp_high, f32 amp_low, f32 freq_high, f32 freq_low) const override { + const f32 new_amp_low = pow(amp_low, 0.5f) * (3.0f - 2.0f * pow(amp_low, 0.15f)); + const f32 new_amp_high = pow(amp_high, 0.5f) * (3.0f - 2.0f * pow(amp_high, 0.15f)); + return joystick->RumblePlay(new_amp_low, new_amp_high, 250); + } + private: std::shared_ptr<SDLJoystick> joystick; int button; @@ -347,8 +389,8 @@ private: class SDLAnalog final : public Input::AnalogDevice { public: - SDLAnalog(std::shared_ptr<SDLJoystick> joystick_, int axis_x_, int axis_y_, float deadzone_, - float range_) + explicit SDLAnalog(std::shared_ptr<SDLJoystick> joystick_, int axis_x_, int axis_y_, + float deadzone_, float range_) : joystick(std::move(joystick_)), axis_x(axis_x_), axis_y(axis_y_), deadzone(deadzone_), range(range_) {} @@ -386,6 +428,68 @@ private: const float range; }; +class SDLDirectionMotion final : public Input::MotionDevice { +public: + explicit SDLDirectionMotion(std::shared_ptr<SDLJoystick> joystick_, int hat_, Uint8 direction_) + : joystick(std::move(joystick_)), hat(hat_), direction(direction_) {} + + Input::MotionStatus GetStatus() const override { + if (joystick->GetHatDirection(hat, direction)) { + return joystick->GetMotion().GetRandomMotion(2, 6); + } + return joystick->GetMotion().GetRandomMotion(0, 0); + } + +private: + std::shared_ptr<SDLJoystick> joystick; + int hat; + Uint8 direction; +}; + +class SDLAxisMotion final : public Input::MotionDevice { +public: + explicit SDLAxisMotion(std::shared_ptr<SDLJoystick> joystick_, int axis_, float threshold_, + bool trigger_if_greater_) + : joystick(std::move(joystick_)), axis(axis_), threshold(threshold_), + trigger_if_greater(trigger_if_greater_) {} + + Input::MotionStatus GetStatus() const override { + const float axis_value = joystick->GetAxis(axis, 1.0f); + bool trigger = axis_value < threshold; + if (trigger_if_greater) { + trigger = axis_value > threshold; + } + + if (trigger) { + return joystick->GetMotion().GetRandomMotion(2, 6); + } + return joystick->GetMotion().GetRandomMotion(0, 0); + } + +private: + std::shared_ptr<SDLJoystick> joystick; + int axis; + float threshold; + bool trigger_if_greater; +}; + +class SDLButtonMotion final : public Input::MotionDevice { +public: + explicit SDLButtonMotion(std::shared_ptr<SDLJoystick> joystick_, int button_) + : joystick(std::move(joystick_)), button(button_) {} + + Input::MotionStatus GetStatus() const override { + if (joystick->GetButton(button)) { + return joystick->GetMotion().GetRandomMotion(2, 6); + } + return joystick->GetMotion().GetRandomMotion(0, 0); + } + +private: + std::shared_ptr<SDLJoystick> joystick; + int button; +}; + /// A button device factory that creates button devices from SDL joystick class SDLButtonFactory final : public Input::Factory<Input::ButtonDevice> { public: @@ -492,20 +596,86 @@ private: SDLState& state; }; +/// A motion device factory that creates motion devices from SDL joystick +class SDLMotionFactory final : public Input::Factory<Input::MotionDevice> { +public: + explicit SDLMotionFactory(SDLState& state_) : state(state_) {} + /** + * Creates motion 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 + */ + std::unique_ptr<Input::MotionDevice> Create(const Common::ParamPackage& params) override { + const std::string guid = params.Get("guid", "0"); + const int port = params.Get("port", 0); + + auto joystick = state.GetSDLJoystickByGUID(guid, port); + + if (params.Has("hat")) { + const int hat = params.Get("hat", 0); + const std::string direction_name = params.Get("direction", ""); + 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; + } + // This is necessary so accessing GetHat with hat won't crash + joystick->SetHat(hat, SDL_HAT_CENTERED); + return std::make_unique<SDLDirectionMotion>(joystick, hat, direction); + } + + if (params.Has("axis")) { + const int axis = params.Get("axis", 0); + const float threshold = params.Get("threshold", 0.5f); + const std::string direction_name = params.Get("direction", ""); + bool trigger_if_greater; + if (direction_name == "+") { + trigger_if_greater = true; + } else if (direction_name == "-") { + trigger_if_greater = false; + } else { + trigger_if_greater = true; + LOG_ERROR(Input, "Unknown direction {}", direction_name); + } + // This is necessary so accessing GetAxis with axis won't crash + joystick->SetAxis(axis, 0); + return std::make_unique<SDLAxisMotion>(joystick, axis, threshold, trigger_if_greater); + } + + const int button = params.Get("button", 0); + // This is necessary so accessing GetButton with button won't crash + joystick->SetButton(button, false); + return std::make_unique<SDLButtonMotion>(joystick, button); + } + +private: + SDLState& state; +}; + SDLState::SDLState() { using namespace Input; analog_factory = std::make_shared<SDLAnalogFactory>(*this); button_factory = std::make_shared<SDLButtonFactory>(*this); + motion_factory = std::make_shared<SDLMotionFactory>(*this); RegisterFactory<AnalogDevice>("sdl", analog_factory); RegisterFactory<ButtonDevice>("sdl", button_factory); + RegisterFactory<MotionDevice>("sdl", motion_factory); - // If the frontend is going to manage the event loop, then we dont start one here - start_thread = !SDL_WasInit(SDL_INIT_JOYSTICK); + // If the frontend is going to manage the event loop, then we don't start one here + start_thread = SDL_WasInit(SDL_INIT_JOYSTICK) == 0; if (start_thread && SDL_Init(SDL_INIT_JOYSTICK) < 0) { LOG_CRITICAL(Input, "SDL_Init(SDL_INIT_JOYSTICK) failed with: {}", SDL_GetError()); return; } - has_gamecontroller = SDL_InitSubSystem(SDL_INIT_GAMECONTROLLER); + has_gamecontroller = SDL_InitSubSystem(SDL_INIT_GAMECONTROLLER) != 0; if (SDL_SetHint(SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS, "1") == SDL_FALSE) { LOG_ERROR(Input, "Failed to set hint for background events with: {}", SDL_GetError()); } @@ -533,6 +703,7 @@ SDLState::~SDLState() { using namespace Input; UnregisterFactory<ButtonDevice>("sdl"); UnregisterFactory<AnalogDevice>("sdl"); + UnregisterFactory<MotionDevice>("sdl"); CloseJoysticks(); SDL_DelEventWatch(&SDLEventWatcher, this); @@ -549,8 +720,8 @@ std::vector<Common::ParamPackage> SDLState::GetInputDevices() { std::vector<Common::ParamPackage> devices; for (const auto& [key, value] : joystick_map) { for (const auto& joystick : value) { - auto joy = joystick->GetSDLJoystick(); - if (auto controller = joystick->GetSDLGameController()) { + auto* joy = joystick->GetSDLJoystick(); + if (auto* controller = joystick->GetSDLGameController()) { std::string name = fmt::format("{} {}", SDL_GameControllerName(controller), joystick->GetPort()); devices.emplace_back(Common::ParamPackage{ @@ -574,7 +745,7 @@ std::vector<Common::ParamPackage> SDLState::GetInputDevices() { } namespace { -Common::ParamPackage BuildAnalogParamPackageForButton(int port, std::string guid, u8 axis, +Common::ParamPackage BuildAnalogParamPackageForButton(int port, std::string guid, s32 axis, float value = 0.1f) { Common::ParamPackage params({{"engine", "sdl"}}); params.Set("port", port); @@ -590,7 +761,7 @@ Common::ParamPackage BuildAnalogParamPackageForButton(int port, std::string guid return params; } -Common::ParamPackage BuildButtonParamPackageForButton(int port, std::string guid, u8 button) { +Common::ParamPackage BuildButtonParamPackageForButton(int port, std::string guid, s32 button) { Common::ParamPackage params({{"engine", "sdl"}}); params.Set("port", port); params.Set("guid", std::move(guid)); @@ -598,7 +769,7 @@ Common::ParamPackage BuildButtonParamPackageForButton(int port, std::string guid return params; } -Common::ParamPackage BuildHatParamPackageForButton(int port, std::string guid, u8 hat, u8 value) { +Common::ParamPackage BuildHatParamPackageForButton(int port, std::string guid, s32 hat, s32 value) { Common::ParamPackage params({{"engine", "sdl"}}); params.Set("port", port); @@ -628,17 +799,42 @@ Common::ParamPackage SDLEventToButtonParamPackage(SDLState& state, const SDL_Eve case SDL_JOYAXISMOTION: { const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which); return BuildAnalogParamPackageForButton(joystick->GetPort(), joystick->GetGUID(), - event.jaxis.axis, event.jaxis.value); + static_cast<s32>(event.jaxis.axis), + event.jaxis.value); + } + case SDL_JOYBUTTONUP: { + const auto joystick = state.GetSDLJoystickBySDLID(event.jbutton.which); + return BuildButtonParamPackageForButton(joystick->GetPort(), joystick->GetGUID(), + static_cast<s32>(event.jbutton.button)); + } + case SDL_JOYHATMOTION: { + const auto joystick = state.GetSDLJoystickBySDLID(event.jhat.which); + return BuildHatParamPackageForButton(joystick->GetPort(), joystick->GetGUID(), + static_cast<s32>(event.jhat.hat), + static_cast<s32>(event.jhat.value)); + } + } + return {}; +} + +Common::ParamPackage SDLEventToMotionParamPackage(SDLState& state, const SDL_Event& event) { + switch (event.type) { + case SDL_JOYAXISMOTION: { + const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which); + return BuildAnalogParamPackageForButton(joystick->GetPort(), joystick->GetGUID(), + static_cast<s32>(event.jaxis.axis), + event.jaxis.value); } case SDL_JOYBUTTONUP: { const auto joystick = state.GetSDLJoystickBySDLID(event.jbutton.which); return BuildButtonParamPackageForButton(joystick->GetPort(), joystick->GetGUID(), - event.jbutton.button); + static_cast<s32>(event.jbutton.button)); } case SDL_JOYHATMOTION: { const auto joystick = state.GetSDLJoystickBySDLID(event.jhat.which); return BuildHatParamPackageForButton(joystick->GetPort(), joystick->GetGUID(), - event.jhat.hat, event.jhat.value); + static_cast<s32>(event.jhat.hat), + static_cast<s32>(event.jhat.value)); } } return {}; @@ -809,6 +1005,35 @@ public: } }; +class SDLMotionPoller final : public SDLPoller { +public: + explicit SDLMotionPoller(SDLState& state_) : SDLPoller(state_) {} + + Common::ParamPackage GetNextInput() override { + SDL_Event event; + while (state.event_queue.Pop(event)) { + const auto package = FromEvent(event); + if (package) { + return *package; + } + } + return {}; + } + [[nodiscard]] std::optional<Common::ParamPackage> FromEvent(const SDL_Event& event) const { + switch (event.type) { + case SDL_JOYAXISMOTION: + if (std::abs(event.jaxis.value / 32767.0) < 0.5) { + break; + } + [[fallthrough]]; + case SDL_JOYBUTTONUP: + case SDL_JOYHATMOTION: + return {SDLEventToMotionParamPackage(state, event)}; + } + return std::nullopt; + } +}; + /** * Attempts to match the press to a controller joy axis (left/right stick) and if a match * isn't found, checks if the event matches anything from SDLButtonPoller and uses that @@ -838,7 +1063,7 @@ public: if (event.type == SDL_JOYAXISMOTION) { const auto axis = event.jaxis.axis; const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which); - const auto controller = joystick->GetSDLGameController(); + auto* const controller = joystick->GetSDLGameController(); if (controller) { const auto axis_left_x = SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_LEFTX) @@ -900,6 +1125,9 @@ SDLState::Pollers SDLState::GetPollers(InputCommon::Polling::DeviceType type) { case InputCommon::Polling::DeviceType::Button: pollers.emplace_back(std::make_unique<Polling::SDLButtonPoller>(*this)); break; + case InputCommon::Polling::DeviceType::Motion: + pollers.emplace_back(std::make_unique<Polling::SDLMotionPoller>(*this)); + break; } return pollers; |