JPikachu/eden
1
0
Fork 0
forked from eden-emu/eden
Code Pull requests Activity

Allow to invert analog axis with right click

Browse source
This commit is contained in:
german 2020-12-26 12:17:22 -06:00
parent 0dc4ab42cc
commit 80fece4e08
4 changed files with 99 additions and 65 deletions
Download patch file Download diff file Expand all files Collapse all files

26
src/input_common/sdl/sdl_impl.cpp
View file

@ -352,13 +352,20 @@ private:
class SDLAnalog final : public Input::AnalogDevice {
public:
explicit 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_) {}
bool invert_x_, bool invert_y_, float deadzone_, float range_)
: joystick(std::move(joystick_)), axis_x(axis_x_), axis_y(axis_y_), invert_x(invert_x_),
invert_y(invert_y_), deadzone(deadzone_), range(range_) {}
std::tuple<float, float> GetStatus() const override {
const auto [x, y] = joystick->GetAnalog(axis_x, axis_y, range);
auto [x, y] = joystick->GetAnalog(axis_x, axis_y, range);
const float r = std::sqrt((x * x) + (y * y));
if (invert_x) {
x = -x;
}
if (invert_y) {
y = -y;
}
if (r > deadzone) {
return std::make_tuple(x / r * (r - deadzone) / (1 - deadzone),
y / r * (r - deadzone) / (1 - deadzone));
@ -386,6 +393,8 @@ private:
std::shared_ptr<SDLJoystick> joystick;
const int axis_x;
const int axis_y;
const bool invert_x;
const bool invert_y;
const float deadzone;
const float range;
};
@ -572,12 +581,17 @@ public:
const int axis_y = params.Get("axis_y", 1);
const float deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, 1.0f);
const float range = std::clamp(params.Get("range", 1.0f), 0.50f, 1.50f);
const std::string invert_x_value = params.Get("invert_x", "+");
const std::string invert_y_value = params.Get("invert_y", "+");
const bool invert_x = invert_x_value == "-";
const bool invert_y = invert_y_value == "-";
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, range);
return std::make_unique<SDLAnalog>(joystick, axis_x, axis_y, invert_x, invert_y, deadzone,
range);
}
private:
@ -886,6 +900,8 @@ Common::ParamPackage BuildParamPackageForAnalog(int port, const std::string& gui
params.Set("guid", guid);
params.Set("axis_x", axis_x);
params.Set("axis_y", axis_y);
params.Set("invert_x", "+");
params.Set("invert_y", "+");
return params;
}
} // Anonymous namespace