diff options
Diffstat (limited to 'src/input_common/sdl/sdl_impl.cpp')
| -rw-r--r-- | src/input_common/sdl/sdl_impl.cpp | 169 |
1 files changed, 84 insertions, 85 deletions
diff --git a/src/input_common/sdl/sdl_impl.cpp b/src/input_common/sdl/sdl_impl.cpp index 9c3035920..10883e2d9 100644 --- a/src/input_common/sdl/sdl_impl.cpp +++ b/src/input_common/sdl/sdl_impl.cpp @@ -155,15 +155,15 @@ public: return sdl_joystick.get(); } - void SetSDLJoystick(SDL_Joystick* joystick, SDL_GameController* controller) { - sdl_controller.reset(controller); - sdl_joystick.reset(joystick); - } - SDL_GameController* GetSDLGameController() const { return sdl_controller.get(); } + void SetSDLJoystick(SDL_Joystick* joystick, SDL_GameController* controller) { + sdl_joystick.reset(joystick); + sdl_controller.reset(controller); + } + private: struct State { std::unordered_map<int, bool> buttons; @@ -186,69 +186,58 @@ private: std::shared_ptr<SDLJoystick> SDLState::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> SDLState::GetSDLJoystickBySDLID(SDL_JoystickID sdl_id) { auto sdl_joystick = SDL_JoystickFromInstanceID(sdl_id); - auto sdl_controller = SDL_GameControllerFromInstanceID(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()) { - const auto vec_it = - std::find_if(map_it->second.begin(), map_it->second.end(), - [&sdl_joystick](const std::shared_ptr<SDLJoystick>& joystick) { - return sdl_joystick == joystick->GetSDLJoystick(); - }); - if (vec_it != map_it->second.end()) { - // This is the common case: There is already an existing SDL_Joystick mapped to a - // SDLJoystick. return the SDLJoystick - return *vec_it; - } - // 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() == nullptr; - }); - if (nullptr_it != map_it->second.end()) { - // ... and map it - (*nullptr_it)->SetSDLJoystick(sdl_joystick, sdl_controller); - return *nullptr_it; - } + if (map_it == joystick_map.end()) { + return nullptr; + } - // There is no SDLJoystick without a mapped SDL_Joystick - // Create a new SDLJoystick - const int port = static_cast<int>(map_it->second.size()); - auto joystick = std::make_shared<SDLJoystick>(guid, port, sdl_joystick, sdl_controller); - return map_it->second.emplace_back(std::move(joystick)); + 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; } - auto joystick = std::make_shared<SDLJoystick>(guid, 0, sdl_joystick, sdl_controller); - return joystick_map[guid].emplace_back(std::move(joystick)); + return *vec_it; } void SDLState::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}; @@ -257,14 +246,17 @@ void SDLState::InitJoystick(int joystick_index) { joystick_map[guid].emplace_back(std::move(joystick)); return; } + auto& joystick_guid_list = joystick_map[guid]; - const auto it = std::find_if( - joystick_guid_list.begin(), joystick_guid_list.end(), - [](const std::shared_ptr<SDLJoystick>& joystick) { return !joystick->GetSDLJoystick(); }); - if (it != joystick_guid_list.end()) { - (*it)->SetSDLJoystick(sdl_joystick, sdl_gamecontroller); + 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); joystick_guid_list.emplace_back(std::move(joystick)); @@ -274,18 +266,14 @@ void SDLState::CloseJoystick(SDL_Joystick* sdl_joystick) { const std::string guid = GetGUID(sdl_joystick); 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; }); - - 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); - } - } + // 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; + }); + + (*joystick_it)->SetSDLJoystick(nullptr, nullptr); } void SDLState::HandleGameControllerEvent(const SDL_Event& event) { @@ -720,8 +708,7 @@ 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()) { + if (auto* const controller = joystick->GetSDLGameController()) { std::string name = fmt::format("{} {}", SDL_GameControllerName(controller), joystick->GetPort()); devices.emplace_back(Common::ParamPackage{ @@ -730,7 +717,7 @@ std::vector<Common::ParamPackage> SDLState::GetInputDevices() { {"guid", joystick->GetGUID()}, {"port", std::to_string(joystick->GetPort())}, }); - } else if (joy) { + } else if (auto* const joy = joystick->GetSDLJoystick()) { std::string name = fmt::format("{} {}", SDL_JoystickName(joy), joystick->GetPort()); devices.emplace_back(Common::ParamPackage{ {"class", "sdl"}, @@ -797,21 +784,27 @@ Common::ParamPackage BuildHatParamPackageForButton(int port, std::string guid, s Common::ParamPackage SDLEventToButtonParamPackage(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); + if (const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which)) { + return BuildAnalogParamPackageForButton(joystick->GetPort(), joystick->GetGUID(), + static_cast<s32>(event.jaxis.axis), + event.jaxis.value); + } + break; } case SDL_JOYBUTTONUP: { - const auto joystick = state.GetSDLJoystickBySDLID(event.jbutton.which); - return BuildButtonParamPackageForButton(joystick->GetPort(), joystick->GetGUID(), - static_cast<s32>(event.jbutton.button)); + if (const auto joystick = state.GetSDLJoystickBySDLID(event.jbutton.which)) { + return BuildButtonParamPackageForButton(joystick->GetPort(), joystick->GetGUID(), + static_cast<s32>(event.jbutton.button)); + } + break; } 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)); + if (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)); + } + break; } } return {}; @@ -820,21 +813,27 @@ Common::ParamPackage SDLEventToButtonParamPackage(SDLState& state, const SDL_Eve 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); + if (const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which)) { + return BuildAnalogParamPackageForButton(joystick->GetPort(), joystick->GetGUID(), + static_cast<s32>(event.jaxis.axis), + event.jaxis.value); + } + break; } case SDL_JOYBUTTONUP: { - const auto joystick = state.GetSDLJoystickBySDLID(event.jbutton.which); - return BuildButtonParamPackageForButton(joystick->GetPort(), joystick->GetGUID(), - static_cast<s32>(event.jbutton.button)); + if (const auto joystick = state.GetSDLJoystickBySDLID(event.jbutton.which)) { + return BuildButtonParamPackageForButton(joystick->GetPort(), joystick->GetGUID(), + static_cast<s32>(event.jbutton.button)); + } + break; } 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)); + if (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)); + } + break; } } return {}; @@ -1062,9 +1061,8 @@ public: // Simplify controller config by testing if game controller support is enabled. if (event.type == SDL_JOYAXISMOTION) { const auto axis = event.jaxis.axis; - const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which); - auto* const controller = joystick->GetSDLGameController(); - if (controller) { + if (const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which); + auto* const controller = joystick->GetSDLGameController()) { const auto axis_left_x = SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_LEFTX) .value.axis; @@ -1098,12 +1096,13 @@ public: } if (analog_x_axis != -1 && analog_y_axis != -1) { - const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which); - auto params = BuildParamPackageForAnalog(joystick->GetPort(), joystick->GetGUID(), - analog_x_axis, analog_y_axis); - analog_x_axis = -1; - analog_y_axis = -1; - return params; + if (const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which)) { + auto params = BuildParamPackageForAnalog(joystick->GetPort(), joystick->GetGUID(), + analog_x_axis, analog_y_axis); + analog_x_axis = -1; + analog_y_axis = -1; + return params; + } } return {}; } |