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Merge pull request #4330 from ameerj/master

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input_configuration: Add range logic for analog sticks
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bunnei 2020-08-10 12:57:13 -04:00 committed by GitHub
commit 85feaf3005
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2 changed files with 21 additions and 18 deletions
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14
src/input_common/gcadapter/gc_poller.cpp
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@ -148,19 +148,17 @@ void GCButtonFactory::EndConfiguration() {
class GCAnalog final : public Input::AnalogDevice {
public:
GCAnalog(int port_, int axis_x_, int axis_y_, float deadzone_, GCAdapter::Adapter* adapter)
GCAnalog(int port_, int axis_x_, int axis_y_, float deadzone_, GCAdapter::Adapter* adapter,
float range_)
: port(port_), axis_x(axis_x_), axis_y(axis_y_), deadzone(deadzone_), gcadapter(adapter),
origin_value_x(adapter->GetOriginValue(port_, axis_x_)),
origin_value_y(adapter->GetOriginValue(port_, axis_y_)) {}
origin_value_y(adapter->GetOriginValue(port_, axis_y_)), range(range_) {}
float GetAxis(int axis) const {
if (gcadapter->DeviceConnected(port)) {
std::lock_guard lock{mutex};
const auto origin_value = axis % 2 == 0 ? origin_value_x : origin_value_y;
// division is not by a perfect 128 to account for some variance in center location
// e.g. my device idled at 131 in X, 120 in Y, and full range of motion was in range
// [20-230]
return (gcadapter->GetPadState()[port].axes.at(axis) - origin_value) / 95.0f;
return (gcadapter->GetPadState()[port].axes.at(axis) - origin_value) / (100.0f * range);
}
return 0.0f;
}
@ -215,6 +213,7 @@ private:
GCAdapter::Adapter* gcadapter;
const float origin_value_x;
const float origin_value_y;
const float range;
mutable std::mutex mutex;
};
@ -234,8 +233,9 @@ std::unique_ptr<Input::AnalogDevice> GCAnalogFactory::Create(const Common::Param
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);
return std::make_unique<GCAnalog>(port, axis_x, axis_y, deadzone, adapter.get());
return std::make_unique<GCAnalog>(port, axis_x, axis_y, deadzone, adapter.get(), range);
}
void GCAnalogFactory::BeginConfiguration() {

25
src/input_common/sdl/sdl_impl.cpp
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@ -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: