input_common: Simplify stick from button
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8a33f8bd30
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@ -15,6 +15,9 @@ public:
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// do not play nicely with the theoretical maximum range.
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// Using a value one lower from the maximum emulates real stick behavior.
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static constexpr float MAX_RANGE = 32766.0f / 32767.0f;
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static constexpr float TAU = Common::PI * 2.0f;
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// Use wider angle to ease the transition.
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static constexpr float APERTURE = TAU * 0.15f;
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using Button = std::unique_ptr<Common::Input::InputDevice>;
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@ -61,30 +64,23 @@ public:
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}
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bool IsAngleGreater(float old_angle, float new_angle) const {
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constexpr float TAU = Common::PI * 2.0f;
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// Use wider angle to ease the transition.
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constexpr float aperture = TAU * 0.15f;
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const float top_limit = new_angle + aperture;
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const float top_limit = new_angle + APERTURE;
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return (old_angle > new_angle && old_angle <= top_limit) ||
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(old_angle + TAU > new_angle && old_angle + TAU <= top_limit);
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}
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bool IsAngleSmaller(float old_angle, float new_angle) const {
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constexpr float TAU = Common::PI * 2.0f;
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// Use wider angle to ease the transition.
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constexpr float aperture = TAU * 0.15f;
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const float bottom_limit = new_angle - aperture;
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const float bottom_limit = new_angle - APERTURE;
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return (old_angle >= bottom_limit && old_angle < new_angle) ||
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(old_angle - TAU >= bottom_limit && old_angle - TAU < new_angle);
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}
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float GetAngle(std::chrono::time_point<std::chrono::steady_clock> now) const {
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constexpr float TAU = Common::PI * 2.0f;
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float new_angle = angle;
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auto time_difference = static_cast<float>(
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std::chrono::duration_cast<std::chrono::microseconds>(now - last_update).count());
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time_difference /= 1000.0f * 1000.0f;
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std::chrono::duration_cast<std::chrono::milliseconds>(now - last_update).count());
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time_difference /= 1000.0f;
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if (time_difference > 0.5f) {
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time_difference = 0.5f;
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}
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@ -201,8 +197,6 @@ public:
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}
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void UpdateStatus() {
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const float coef = modifier_status.value ? modifier_scale : MAX_RANGE;
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bool r = right_status;
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bool l = left_status;
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bool u = up_status;
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@ -220,7 +214,7 @@ public:
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// Move if a key is pressed
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if (r || l || u || d) {
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amplitude = coef;
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amplitude = modifier_status.value ? modifier_scale : MAX_RANGE;
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} else {
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amplitude = 0;
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}
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@ -274,30 +268,17 @@ public:
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Common::Input::StickStatus status{};
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status.x.properties = properties;
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status.y.properties = properties;
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if (Settings::values.emulate_analog_keyboard) {
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const auto now = std::chrono::steady_clock::now();
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float angle_ = GetAngle(now);
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const float angle_ = GetAngle(now);
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status.x.raw_value = std::cos(angle_) * amplitude;
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status.y.raw_value = std::sin(angle_) * amplitude;
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return status;
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}
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constexpr float SQRT_HALF = 0.707106781f;
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int x = 0, y = 0;
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if (right_status) {
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++x;
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}
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if (left_status) {
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--x;
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}
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if (up_status) {
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++y;
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}
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if (down_status) {
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--y;
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}
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const float coef = modifier_status.value ? modifier_scale : MAX_RANGE;
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status.x.raw_value = static_cast<float>(x) * coef * (y == 0 ? 1.0f : SQRT_HALF);
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status.y.raw_value = static_cast<float>(y) * coef * (x == 0 ? 1.0f : SQRT_HALF);
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status.x.raw_value = std::cos(goal_angle) * amplitude;
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status.y.raw_value = std::sin(goal_angle) * amplitude;
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return status;
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}
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