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Merge pull request #4816 from Morph1984/controller-disconnect-fix 

sdl_impl: Fix controller reconnection issues
This commit is contained in:
LC 2020-10-23 13:53:51 -04:00 committed by GitHub
parent 3e46934442 2f852f182a
commit 6f6d83befa
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 84 additions and 85 deletions
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169
src/input_common/sdl/sdl_impl.cpp
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@ -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;
}
// 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));
if (map_it == joystick_map.end()) {
return nullptr;
}
auto joystick = std::make_shared<SDLJoystick>(guid, 0, sdl_joystick, sdl_controller);
return joystick_map[guid].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;
}
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; });
// 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);
joystick_guid_list.erase(joystick_it);
if (joystick_guid_list.empty()) {
joystick_map.erase(guid);
}
}
(*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 {};
}