mirror of
https://github.com/yuzu-emu/yuzu-mainline.git
synced 2024-12-12 14:54:22 +01:00
sdl_impl: Fix controller reconnection issues
It turns out that after a controller is disconnected, there is a chance that events from the previous controller are sent/processed after it has been disconnected. This causes the previously disconnected controller to reappear as connected due to GetSDLJoystickBySDLID() emplacing this controller back to the map. Fix this by only returning an SDLJoystick if and only if it exists in the map.
This commit is contained in:
Morph
parent
1fc61d09d3
commit
2f852f182a
@ -155,15 +155,15 @@ public:
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return sdl_joystick.get();
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}
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void SetSDLJoystick(SDL_Joystick* joystick, SDL_GameController* controller) {
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sdl_controller.reset(controller);
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sdl_joystick.reset(joystick);
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}
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SDL_GameController* GetSDLGameController() const {
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return sdl_controller.get();
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}
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void SetSDLJoystick(SDL_Joystick* joystick, SDL_GameController* controller) {
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sdl_joystick.reset(joystick);
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sdl_controller.reset(controller);
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}
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private:
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struct State {
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std::unordered_map<int, bool> buttons;
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@ -186,69 +186,58 @@ private:
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std::shared_ptr<SDLJoystick> SDLState::GetSDLJoystickByGUID(const std::string& guid, int port) {
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std::lock_guard lock{joystick_map_mutex};
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const auto it = joystick_map.find(guid);
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if (it != joystick_map.end()) {
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while (it->second.size() <= static_cast<std::size_t>(port)) {
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auto joystick = std::make_shared<SDLJoystick>(guid, static_cast<int>(it->second.size()),
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nullptr, nullptr);
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it->second.emplace_back(std::move(joystick));
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}
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return it->second[static_cast<std::size_t>(port)];
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}
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auto joystick = std::make_shared<SDLJoystick>(guid, 0, nullptr, nullptr);
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return joystick_map[guid].emplace_back(std::move(joystick));
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}
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std::shared_ptr<SDLJoystick> SDLState::GetSDLJoystickBySDLID(SDL_JoystickID sdl_id) {
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auto sdl_joystick = SDL_JoystickFromInstanceID(sdl_id);
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auto sdl_controller = SDL_GameControllerFromInstanceID(sdl_id);
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const std::string guid = GetGUID(sdl_joystick);
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std::lock_guard lock{joystick_map_mutex};
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const auto map_it = joystick_map.find(guid);
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if (map_it != joystick_map.end()) {
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const auto vec_it =
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std::find_if(map_it->second.begin(), map_it->second.end(),
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[&sdl_joystick](const std::shared_ptr<SDLJoystick>& joystick) {
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return sdl_joystick == joystick->GetSDLJoystick();
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});
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if (vec_it != map_it->second.end()) {
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// This is the common case: There is already an existing SDL_Joystick mapped to a
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// SDLJoystick. return the SDLJoystick
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return *vec_it;
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}
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// Search for a SDLJoystick without a mapped SDL_Joystick...
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const auto nullptr_it = std::find_if(map_it->second.begin(), map_it->second.end(),
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[](const std::shared_ptr<SDLJoystick>& joystick) {
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return joystick->GetSDLJoystick() == nullptr;
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});
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if (nullptr_it != map_it->second.end()) {
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// ... and map it
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(*nullptr_it)->SetSDLJoystick(sdl_joystick, sdl_controller);
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return *nullptr_it;
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}
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// There is no SDLJoystick without a mapped SDL_Joystick
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// Create a new SDLJoystick
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const int port = static_cast<int>(map_it->second.size());
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auto joystick = std::make_shared<SDLJoystick>(guid, port, sdl_joystick, sdl_controller);
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return map_it->second.emplace_back(std::move(joystick));
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if (map_it == joystick_map.end()) {
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return nullptr;
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}
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auto joystick = std::make_shared<SDLJoystick>(guid, 0, sdl_joystick, sdl_controller);
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return joystick_map[guid].emplace_back(std::move(joystick));
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const auto vec_it = std::find_if(map_it->second.begin(), map_it->second.end(),
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[&sdl_joystick](const auto& joystick) {
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return joystick->GetSDLJoystick() == sdl_joystick;
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});
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if (vec_it == map_it->second.end()) {
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return nullptr;
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}
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return *vec_it;
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}
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void SDLState::InitJoystick(int joystick_index) {
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SDL_Joystick* sdl_joystick = SDL_JoystickOpen(joystick_index);
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SDL_GameController* sdl_gamecontroller = nullptr;
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if (SDL_IsGameController(joystick_index)) {
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sdl_gamecontroller = SDL_GameControllerOpen(joystick_index);
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}
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if (!sdl_joystick) {
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LOG_ERROR(Input, "Failed to open joystick {}", joystick_index);
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return;
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}
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const std::string guid = GetGUID(sdl_joystick);
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std::lock_guard lock{joystick_map_mutex};
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@ -257,14 +246,17 @@ void SDLState::InitJoystick(int joystick_index) {
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joystick_map[guid].emplace_back(std::move(joystick));
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return;
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}
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auto& joystick_guid_list = joystick_map[guid];
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const auto it = std::find_if(
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joystick_guid_list.begin(), joystick_guid_list.end(),
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[](const std::shared_ptr<SDLJoystick>& joystick) { return !joystick->GetSDLJoystick(); });
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if (it != joystick_guid_list.end()) {
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(*it)->SetSDLJoystick(sdl_joystick, sdl_gamecontroller);
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const auto joystick_it =
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std::find_if(joystick_guid_list.begin(), joystick_guid_list.end(),
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[](const auto& joystick) { return !joystick->GetSDLJoystick(); });
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if (joystick_it != joystick_guid_list.end()) {
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(*joystick_it)->SetSDLJoystick(sdl_joystick, sdl_gamecontroller);
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return;
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}
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const int port = static_cast<int>(joystick_guid_list.size());
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auto joystick = std::make_shared<SDLJoystick>(guid, port, sdl_joystick, sdl_gamecontroller);
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joystick_guid_list.emplace_back(std::move(joystick));
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@ -274,18 +266,14 @@ void SDLState::CloseJoystick(SDL_Joystick* sdl_joystick) {
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const std::string guid = GetGUID(sdl_joystick);
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std::lock_guard lock{joystick_map_mutex};
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auto& joystick_guid_list = joystick_map[guid];
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auto joystick_it = std::find_if(
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joystick_guid_list.begin(), joystick_guid_list.end(),
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[&sdl_joystick](auto& joystick) { return joystick->GetSDLJoystick() == sdl_joystick; });
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// This call to guid is safe since the joystick is guaranteed to be in the map
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const auto& joystick_guid_list = joystick_map[guid];
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const auto joystick_it = std::find_if(joystick_guid_list.begin(), joystick_guid_list.end(),
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[&sdl_joystick](const auto& joystick) {
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return joystick->GetSDLJoystick() == sdl_joystick;
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});
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if (joystick_it != joystick_guid_list.end()) {
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(*joystick_it)->SetSDLJoystick(nullptr, nullptr);
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joystick_guid_list.erase(joystick_it);
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if (joystick_guid_list.empty()) {
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joystick_map.erase(guid);
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}
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}
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(*joystick_it)->SetSDLJoystick(nullptr, nullptr);
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}
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void SDLState::HandleGameControllerEvent(const SDL_Event& event) {
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@ -720,8 +708,7 @@ std::vector<Common::ParamPackage> SDLState::GetInputDevices() {
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std::vector<Common::ParamPackage> devices;
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for (const auto& [key, value] : joystick_map) {
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for (const auto& joystick : value) {
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auto* joy = joystick->GetSDLJoystick();
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if (auto* controller = joystick->GetSDLGameController()) {
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if (auto* const controller = joystick->GetSDLGameController()) {
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std::string name =
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fmt::format("{} {}", SDL_GameControllerName(controller), joystick->GetPort());
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devices.emplace_back(Common::ParamPackage{
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@ -730,7 +717,7 @@ std::vector<Common::ParamPackage> SDLState::GetInputDevices() {
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{"guid", joystick->GetGUID()},
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{"port", std::to_string(joystick->GetPort())},
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});
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} else if (joy) {
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} else if (auto* const joy = joystick->GetSDLJoystick()) {
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std::string name = fmt::format("{} {}", SDL_JoystickName(joy), joystick->GetPort());
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devices.emplace_back(Common::ParamPackage{
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{"class", "sdl"},
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@ -797,21 +784,27 @@ Common::ParamPackage BuildHatParamPackageForButton(int port, std::string guid, s
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Common::ParamPackage SDLEventToButtonParamPackage(SDLState& state, const SDL_Event& event) {
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switch (event.type) {
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case SDL_JOYAXISMOTION: {
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const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which);
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return BuildAnalogParamPackageForButton(joystick->GetPort(), joystick->GetGUID(),
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static_cast<s32>(event.jaxis.axis),
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event.jaxis.value);
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if (const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which)) {
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return BuildAnalogParamPackageForButton(joystick->GetPort(), joystick->GetGUID(),
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static_cast<s32>(event.jaxis.axis),
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event.jaxis.value);
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}
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break;
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}
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case SDL_JOYBUTTONUP: {
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const auto joystick = state.GetSDLJoystickBySDLID(event.jbutton.which);
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return BuildButtonParamPackageForButton(joystick->GetPort(), joystick->GetGUID(),
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static_cast<s32>(event.jbutton.button));
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if (const auto joystick = state.GetSDLJoystickBySDLID(event.jbutton.which)) {
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return BuildButtonParamPackageForButton(joystick->GetPort(), joystick->GetGUID(),
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static_cast<s32>(event.jbutton.button));
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}
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break;
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}
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case SDL_JOYHATMOTION: {
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const auto joystick = state.GetSDLJoystickBySDLID(event.jhat.which);
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return BuildHatParamPackageForButton(joystick->GetPort(), joystick->GetGUID(),
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static_cast<s32>(event.jhat.hat),
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static_cast<s32>(event.jhat.value));
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if (const auto joystick = state.GetSDLJoystickBySDLID(event.jhat.which)) {
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return BuildHatParamPackageForButton(joystick->GetPort(), joystick->GetGUID(),
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static_cast<s32>(event.jhat.hat),
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static_cast<s32>(event.jhat.value));
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}
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break;
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}
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}
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return {};
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@ -820,21 +813,27 @@ Common::ParamPackage SDLEventToButtonParamPackage(SDLState& state, const SDL_Eve
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Common::ParamPackage SDLEventToMotionParamPackage(SDLState& state, const SDL_Event& event) {
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switch (event.type) {
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case SDL_JOYAXISMOTION: {
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const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which);
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return BuildAnalogParamPackageForButton(joystick->GetPort(), joystick->GetGUID(),
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static_cast<s32>(event.jaxis.axis),
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event.jaxis.value);
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if (const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which)) {
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return BuildAnalogParamPackageForButton(joystick->GetPort(), joystick->GetGUID(),
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static_cast<s32>(event.jaxis.axis),
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event.jaxis.value);
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}
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break;
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}
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case SDL_JOYBUTTONUP: {
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const auto joystick = state.GetSDLJoystickBySDLID(event.jbutton.which);
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return BuildButtonParamPackageForButton(joystick->GetPort(), joystick->GetGUID(),
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static_cast<s32>(event.jbutton.button));
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if (const auto joystick = state.GetSDLJoystickBySDLID(event.jbutton.which)) {
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return BuildButtonParamPackageForButton(joystick->GetPort(), joystick->GetGUID(),
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static_cast<s32>(event.jbutton.button));
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}
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break;
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}
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case SDL_JOYHATMOTION: {
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const auto joystick = state.GetSDLJoystickBySDLID(event.jhat.which);
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return BuildHatParamPackageForButton(joystick->GetPort(), joystick->GetGUID(),
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static_cast<s32>(event.jhat.hat),
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static_cast<s32>(event.jhat.value));
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if (const auto joystick = state.GetSDLJoystickBySDLID(event.jhat.which)) {
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return BuildHatParamPackageForButton(joystick->GetPort(), joystick->GetGUID(),
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static_cast<s32>(event.jhat.hat),
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static_cast<s32>(event.jhat.value));
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}
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break;
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}
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}
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return {};
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@ -1062,9 +1061,8 @@ public:
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// Simplify controller config by testing if game controller support is enabled.
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if (event.type == SDL_JOYAXISMOTION) {
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const auto axis = event.jaxis.axis;
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const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which);
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auto* const controller = joystick->GetSDLGameController();
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if (controller) {
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if (const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which);
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auto* const controller = joystick->GetSDLGameController()) {
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const auto axis_left_x =
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SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_LEFTX)
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.value.axis;
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@ -1098,12 +1096,13 @@ public:
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}
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if (analog_x_axis != -1 && analog_y_axis != -1) {
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const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which);
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auto params = BuildParamPackageForAnalog(joystick->GetPort(), joystick->GetGUID(),
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analog_x_axis, analog_y_axis);
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analog_x_axis = -1;
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analog_y_axis = -1;
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return params;
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if (const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which)) {
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auto params = BuildParamPackageForAnalog(joystick->GetPort(), joystick->GetGUID(),
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analog_x_axis, analog_y_axis);
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analog_x_axis = -1;
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analog_y_axis = -1;
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return params;
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}
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}
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return {};
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}
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