diff options
Diffstat (limited to 'src/input_common/sdl')
-rw-r--r-- | src/input_common/sdl/sdl_impl.cpp | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/src/input_common/sdl/sdl_impl.cpp b/src/input_common/sdl/sdl_impl.cpp index 675b477fa..d76c279d3 100644 --- a/src/input_common/sdl/sdl_impl.cpp +++ b/src/input_common/sdl/sdl_impl.cpp @@ -66,14 +66,14 @@ public: state.axes.insert_or_assign(axis, value); } - float GetAxis(int axis) const { + float GetAxis(int axis, float range) const { std::lock_guard lock{mutex}; - return state.axes.at(axis) / 32767.0f; + return state.axes.at(axis) / (32767.0f * range); } - std::tuple<float, float> GetAnalog(int axis_x, int axis_y) const { - float x = GetAxis(axis_x); - float y = GetAxis(axis_y); + std::tuple<float, float> GetAnalog(int axis_x, int axis_y, float range) const { + float x = GetAxis(axis_x, range); + float y = GetAxis(axis_y, range); y = -y; // 3DS uses an y-axis inverse from SDL // Make sure the coordinates are in the unit circle, @@ -313,7 +313,7 @@ public: trigger_if_greater(trigger_if_greater_) {} bool GetStatus() const override { - const float axis_value = joystick->GetAxis(axis); + const float axis_value = joystick->GetAxis(axis, 1.0f); if (trigger_if_greater) { return axis_value > threshold; } @@ -329,11 +329,13 @@ private: class SDLAnalog final : public Input::AnalogDevice { public: - SDLAnalog(std::shared_ptr<SDLJoystick> joystick_, int axis_x_, int axis_y_, float deadzone_) - : joystick(std::move(joystick_)), axis_x(axis_x_), axis_y(axis_y_), deadzone(deadzone_) {} + 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_) {} std::tuple<float, float> GetStatus() const override { - const auto [x, y] = joystick->GetAnalog(axis_x, axis_y); + const auto [x, y] = joystick->GetAnalog(axis_x, axis_y, range); const float r = std::sqrt((x * x) + (y * y)); if (r > deadzone) { return std::make_tuple(x / r * (r - deadzone) / (1 - deadzone), @@ -363,6 +365,7 @@ private: const int axis_x; const int axis_y; const float deadzone; + const float range; }; /// A button device factory that creates button devices from SDL joystick @@ -458,13 +461,13 @@ public: const int axis_x = params.Get("axis_x", 0); const int axis_y = params.Get("axis_y", 1); const float deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, .99f); - + const float range = std::clamp(params.Get("range", 1.0f), 0.50f, 1.50f); auto joystick = state.GetSDLJoystickByGUID(guid, port); // This is necessary so accessing GetAxis with axis_x and axis_y won't crash joystick->SetAxis(axis_x, 0); joystick->SetAxis(axis_y, 0); - return std::make_unique<SDLAnalog>(joystick, axis_x, axis_y, deadzone); + return std::make_unique<SDLAnalog>(joystick, axis_x, axis_y, deadzone, range); } private: |