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@ -82,6 +82,12 @@ public:
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state.buttons.insert_or_assign(button, value);
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}
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void PreSetButton(int button) {
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if (!state.buttons.contains(button)) {
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SetButton(button, false);
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}
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}
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void SetMotion(SDL_ControllerSensorEvent event) {
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constexpr float gravity_constant = 9.80665f;
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std::lock_guard lock{mutex};
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@ -155,9 +161,16 @@ public:
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state.axes.insert_or_assign(axis, value);
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}
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float GetAxis(int axis, float range) const {
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void PreSetAxis(int axis) {
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if (!state.axes.contains(axis)) {
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SetAxis(axis, 0);
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}
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}
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float GetAxis(int axis, float range, float offset) const {
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std::lock_guard lock{mutex};
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return static_cast<float>(state.axes.at(axis)) / (32767.0f * range);
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const float value = static_cast<float>(state.axes.at(axis)) / 32767.0f;
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return (value + offset) / range;
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}
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bool RumblePlay(u16 amp_low, u16 amp_high) {
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@ -174,9 +187,10 @@ public:
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return false;
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}
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std::tuple<float, float> GetAnalog(int axis_x, int axis_y, float range) const {
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float x = GetAxis(axis_x, range);
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float y = GetAxis(axis_y, range);
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std::tuple<float, float> GetAnalog(int axis_x, int axis_y, float range, float offset_x,
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float offset_y) const {
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float x = GetAxis(axis_x, range, offset_x);
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float y = GetAxis(axis_y, range, offset_y);
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y = -y; // 3DS uses an y-axis inverse from SDL
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// Make sure the coordinates are in the unit circle,
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@ -483,7 +497,7 @@ public:
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trigger_if_greater(trigger_if_greater_) {}
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bool GetStatus() const override {
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const float axis_value = joystick->GetAxis(axis, 1.0f);
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const float axis_value = joystick->GetAxis(axis, 1.0f, 0.0f);
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if (trigger_if_greater) {
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return axis_value > threshold;
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}
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@ -500,12 +514,14 @@ private:
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class SDLAnalog final : public Input::AnalogDevice {
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public:
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explicit SDLAnalog(std::shared_ptr<SDLJoystick> joystick_, int axis_x_, int axis_y_,
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bool invert_x_, bool invert_y_, float deadzone_, float range_)
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bool invert_x_, bool invert_y_, float deadzone_, float range_,
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float offset_x_, float offset_y_)
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: joystick(std::move(joystick_)), axis_x(axis_x_), axis_y(axis_y_), invert_x(invert_x_),
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invert_y(invert_y_), deadzone(deadzone_), range(range_) {}
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invert_y(invert_y_), deadzone(deadzone_), range(range_), offset_x(offset_x_),
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offset_y(offset_y_) {}
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std::tuple<float, float> GetStatus() const override {
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auto [x, y] = joystick->GetAnalog(axis_x, axis_y, range);
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auto [x, y] = joystick->GetAnalog(axis_x, axis_y, range, offset_x, offset_y);
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const float r = std::sqrt((x * x) + (y * y));
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if (invert_x) {
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x = -x;
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@ -522,8 +538,8 @@ public:
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}
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std::tuple<float, float> GetRawStatus() const override {
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const float x = joystick->GetAxis(axis_x, range);
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const float y = joystick->GetAxis(axis_y, range);
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const float x = joystick->GetAxis(axis_x, range, offset_x);
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const float y = joystick->GetAxis(axis_y, range, offset_y);
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return {x, -y};
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}
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@ -555,6 +571,8 @@ private:
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const bool invert_y;
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const float deadzone;
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const float range;
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const float offset_x;
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const float offset_y;
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};
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class SDLVibration final : public Input::VibrationDevice {
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@ -621,7 +639,7 @@ public:
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trigger_if_greater(trigger_if_greater_) {}
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Input::MotionStatus GetStatus() const override {
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const float axis_value = joystick->GetAxis(axis, 1.0f);
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const float axis_value = joystick->GetAxis(axis, 1.0f, 0.0f);
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bool trigger = axis_value < threshold;
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if (trigger_if_greater) {
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trigger = axis_value > threshold;
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@ -720,13 +738,13 @@ public:
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LOG_ERROR(Input, "Unknown direction {}", direction_name);
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}
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// This is necessary so accessing GetAxis with axis won't crash
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joystick->SetAxis(axis, 0);
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joystick->PreSetAxis(axis);
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return std::make_unique<SDLAxisButton>(joystick, axis, threshold, trigger_if_greater);
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}
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const int button = params.Get("button", 0);
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// This is necessary so accessing GetButton with button won't crash
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joystick->SetButton(button, false);
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joystick->PreSetButton(button);
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return std::make_unique<SDLButton>(joystick, button, toggle);
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}
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@ -757,13 +775,15 @@ public:
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const std::string invert_y_value = params.Get("invert_y", "+");
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const bool invert_x = invert_x_value == "-";
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const bool invert_y = invert_y_value == "-";
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const float offset_x = params.Get("offset_x", 0.0f);
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const float offset_y = params.Get("offset_y", 0.0f);
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auto joystick = state.GetSDLJoystickByGUID(guid, port);
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// This is necessary so accessing GetAxis with axis_x and axis_y won't crash
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joystick->SetAxis(axis_x, 0);
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joystick->SetAxis(axis_y, 0);
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joystick->PreSetAxis(axis_x);
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joystick->PreSetAxis(axis_y);
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return std::make_unique<SDLAnalog>(joystick, axis_x, axis_y, invert_x, invert_y, deadzone,
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range);
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range, offset_x, offset_y);
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}
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private:
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@ -844,13 +864,13 @@ public:
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LOG_ERROR(Input, "Unknown direction {}", direction_name);
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}
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// This is necessary so accessing GetAxis with axis won't crash
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joystick->SetAxis(axis, 0);
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joystick->PreSetAxis(axis);
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return std::make_unique<SDLAxisMotion>(joystick, axis, threshold, trigger_if_greater);
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}
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const int button = params.Get("button", 0);
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// This is necessary so accessing GetButton with button won't crash
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joystick->SetButton(button, false);
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joystick->PreSetButton(button);
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return std::make_unique<SDLButtonMotion>(joystick, button);
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}
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@ -995,6 +1015,7 @@ Common::ParamPackage BuildButtonParamPackageForButton(int port, std::string guid
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params.Set("port", port);
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params.Set("guid", std::move(guid));
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params.Set("button", button);
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params.Set("toggle", false);
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return params;
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}
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@ -1134,13 +1155,15 @@ Common::ParamPackage BuildParamPackageForBinding(int port, const std::string& gu
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}
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Common::ParamPackage BuildParamPackageForAnalog(int port, const std::string& guid, int axis_x,
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int axis_y) {
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int axis_y, float offset_x, float offset_y) {
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Common::ParamPackage params;
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params.Set("engine", "sdl");
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params.Set("port", port);
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params.Set("guid", guid);
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params.Set("axis_x", axis_x);
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params.Set("axis_y", axis_y);
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params.Set("offset_x", offset_x);
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params.Set("offset_y", offset_y);
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params.Set("invert_x", "+");
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params.Set("invert_y", "+");
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return params;
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@ -1342,24 +1365,39 @@ AnalogMapping SDLState::GetAnalogMappingForDevice(const Common::ParamPackage& pa
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const auto& binding_left_y =
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SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_LEFTY);
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if (params.Has("guid2")) {
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joystick2->PreSetAxis(binding_left_x.value.axis);
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joystick2->PreSetAxis(binding_left_y.value.axis);
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const auto left_offset_x = -joystick2->GetAxis(binding_left_x.value.axis, 1.0f, 0);
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const auto left_offset_y = -joystick2->GetAxis(binding_left_y.value.axis, 1.0f, 0);
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mapping.insert_or_assign(
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Settings::NativeAnalog::LStick,
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BuildParamPackageForAnalog(joystick2->GetPort(), joystick2->GetGUID(),
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binding_left_x.value.axis, binding_left_y.value.axis));
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binding_left_x.value.axis, binding_left_y.value.axis,
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left_offset_x, left_offset_y));
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} else {
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joystick->PreSetAxis(binding_left_x.value.axis);
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joystick->PreSetAxis(binding_left_y.value.axis);
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const auto left_offset_x = -joystick->GetAxis(binding_left_x.value.axis, 1.0f, 0);
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const auto left_offset_y = -joystick->GetAxis(binding_left_y.value.axis, 1.0f, 0);
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mapping.insert_or_assign(
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Settings::NativeAnalog::LStick,
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BuildParamPackageForAnalog(joystick->GetPort(), joystick->GetGUID(),
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binding_left_x.value.axis, binding_left_y.value.axis));
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binding_left_x.value.axis, binding_left_y.value.axis,
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left_offset_x, left_offset_y));
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}
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const auto& binding_right_x =
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SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_RIGHTX);
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const auto& binding_right_y =
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SDL_GameControllerGetBindForAxis(controller, SDL_CONTROLLER_AXIS_RIGHTY);
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joystick->PreSetAxis(binding_right_x.value.axis);
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joystick->PreSetAxis(binding_right_y.value.axis);
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const auto right_offset_x = -joystick->GetAxis(binding_right_x.value.axis, 1.0f, 0);
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const auto right_offset_y = -joystick->GetAxis(binding_right_y.value.axis, 1.0f, 0);
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mapping.insert_or_assign(Settings::NativeAnalog::RStick,
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BuildParamPackageForAnalog(joystick->GetPort(), joystick->GetGUID(),
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binding_right_x.value.axis,
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binding_right_y.value.axis));
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binding_right_y.value.axis, right_offset_x,
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right_offset_y));
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return mapping;
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}
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@ -1563,8 +1601,9 @@ public:
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}
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if (const auto joystick = state.GetSDLJoystickBySDLID(event.jaxis.which)) {
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// Set offset to zero since the joystick is not on center
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auto params = BuildParamPackageForAnalog(joystick->GetPort(), joystick->GetGUID(),
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first_axis, axis);
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first_axis, axis, 0, 0);
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first_axis = -1;
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return params;
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}
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