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https://github.com/yuzu-emu/yuzu.git
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Allow to dial any angle with digital joystick
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parent
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commit
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@ -2,6 +2,10 @@
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// Licensed under GPLv2 or any later version
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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// Refer to the license.txt file included.
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#include <chrono>
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#include <cmath>
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#include <thread>
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#include "common/math_util.h"
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#include "input_common/analog_from_button.h"
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#include "input_common/analog_from_button.h"
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namespace InputCommon {
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namespace InputCommon {
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@ -11,31 +15,104 @@ public:
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using Button = std::unique_ptr<Input::ButtonDevice>;
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using Button = std::unique_ptr<Input::ButtonDevice>;
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Analog(Button up_, Button down_, Button left_, Button right_, Button modifier_,
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Analog(Button up_, Button down_, Button left_, Button right_, Button modifier_,
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float modifier_scale_)
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float modifier_scale_, float modifier_angle_)
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: up(std::move(up_)), down(std::move(down_)), left(std::move(left_)),
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: up(std::move(up_)), down(std::move(down_)), left(std::move(left_)),
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right(std::move(right_)), modifier(std::move(modifier_)),
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right(std::move(right_)), modifier(std::move(modifier_)), modifier_scale(modifier_scale_),
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modifier_scale(modifier_scale_) {}
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modifier_angle(modifier_angle_) {
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update_thread = std::thread(&Analog::UpdateStatus, this);
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}
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~Analog() override {
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update_thread_running = false;
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if (update_thread.joinable()) {
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update_thread.join();
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}
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}
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void MoveToDirection(bool enable, float to_angle) {
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if (!enable) {
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return;
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}
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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 = to_angle + aperture;
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const float bottom_limit = to_angle - aperture;
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if ((angle > to_angle && angle <= top_limit) ||
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(angle + TAU > to_angle && angle + TAU <= top_limit)) {
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angle -= modifier_angle;
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if (angle < 0) {
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angle += TAU;
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}
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} else if ((angle >= bottom_limit && angle < to_angle) ||
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(angle - TAU >= bottom_limit && angle - TAU < to_angle)) {
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angle += modifier_angle;
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if (angle >= TAU) {
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angle -= TAU;
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}
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} else {
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angle = to_angle;
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}
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}
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void UpdateStatus() {
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while (update_thread_running) {
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const float coef = modifier->GetStatus() ? modifier_scale : 1.0f;
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bool r = right->GetStatus();
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bool l = left->GetStatus();
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bool u = up->GetStatus();
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bool d = down->GetStatus();
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// Eliminate contradictory movements
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if (r && l) {
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r = false;
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l = false;
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}
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if (u && d) {
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u = false;
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d = false;
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}
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// Move to the right
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MoveToDirection(r && !u && !d, 0.0f);
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// Move to the upper right
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MoveToDirection(r && u && !d, Common::PI * 0.25f);
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// Move up
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MoveToDirection(u && !l && !r, Common::PI * 0.5f);
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// Move to the upper left
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MoveToDirection(l && u && !d, Common::PI * 0.75f);
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// Move to the left
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MoveToDirection(l && !u && !d, Common::PI);
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// Move to the bottom left
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MoveToDirection(l && !u && d, Common::PI * 1.25f);
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// Move down
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MoveToDirection(d && !l && !r, Common::PI * 1.5f);
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// Move to the bottom right
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MoveToDirection(r && !u && d, Common::PI * 1.75f);
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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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} else {
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amplitude = 0;
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}
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// Delay the update rate to 100hz
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std::this_thread::sleep_for(std::chrono::milliseconds(10));
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}
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}
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std::tuple<float, float> GetStatus() const override {
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std::tuple<float, float> GetStatus() const override {
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constexpr float SQRT_HALF = 0.707106781f;
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return std::make_tuple(std::cos(angle) * amplitude, std::sin(angle) * amplitude);
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int x = 0, y = 0;
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if (right->GetStatus()) {
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++x;
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}
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if (left->GetStatus()) {
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--x;
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}
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if (up->GetStatus()) {
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++y;
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}
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if (down->GetStatus()) {
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--y;
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}
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const float coef = modifier->GetStatus() ? modifier_scale : 1.0f;
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return std::make_tuple(static_cast<float>(x) * coef * (y == 0 ? 1.0f : SQRT_HALF),
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static_cast<float>(y) * coef * (x == 0 ? 1.0f : SQRT_HALF));
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}
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}
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bool GetAnalogDirectionStatus(Input::AnalogDirection direction) const override {
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bool GetAnalogDirectionStatus(Input::AnalogDirection direction) const override {
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@ -59,6 +136,11 @@ private:
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Button right;
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Button right;
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Button modifier;
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Button modifier;
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float modifier_scale;
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float modifier_scale;
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float modifier_angle;
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float angle{};
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float amplitude{};
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std::thread update_thread;
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bool update_thread_running{true};
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};
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};
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std::unique_ptr<Input::AnalogDevice> AnalogFromButton::Create(const Common::ParamPackage& params) {
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std::unique_ptr<Input::AnalogDevice> AnalogFromButton::Create(const Common::ParamPackage& params) {
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@ -69,8 +151,10 @@ std::unique_ptr<Input::AnalogDevice> AnalogFromButton::Create(const Common::Para
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auto right = Input::CreateDevice<Input::ButtonDevice>(params.Get("right", null_engine));
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auto right = Input::CreateDevice<Input::ButtonDevice>(params.Get("right", null_engine));
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auto modifier = Input::CreateDevice<Input::ButtonDevice>(params.Get("modifier", null_engine));
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auto modifier = Input::CreateDevice<Input::ButtonDevice>(params.Get("modifier", null_engine));
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auto modifier_scale = params.Get("modifier_scale", 0.5f);
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auto modifier_scale = params.Get("modifier_scale", 0.5f);
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auto modifier_angle = params.Get("modifier_angle", 0.035f);
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return std::make_unique<Analog>(std::move(up), std::move(down), std::move(left),
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return std::make_unique<Analog>(std::move(up), std::move(down), std::move(left),
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std::move(right), std::move(modifier), modifier_scale);
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std::move(right), std::move(modifier), modifier_scale,
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modifier_angle);
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}
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}
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} // namespace InputCommon
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} // namespace InputCommon
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