73 lines
2.6 KiB
C++
Executable File
73 lines
2.6 KiB
C++
Executable File
// Copyright 2017 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#include "input_common/analog_from_button.h"
|
|
|
|
namespace InputCommon {
|
|
|
|
class Analog final : public Input::AnalogDevice {
|
|
public:
|
|
using Button = std::unique_ptr<Input::ButtonDevice>;
|
|
|
|
Analog(Button up_, Button down_, Button left_, Button right_, Button modifier_,
|
|
float modifier_scale_)
|
|
: up(std::move(up_)), down(std::move(down_)), left(std::move(left_)),
|
|
right(std::move(right_)), modifier(std::move(modifier_)),
|
|
modifier_scale(modifier_scale_) {}
|
|
|
|
std::tuple<float, float> GetStatus() const override {
|
|
constexpr float SQRT_HALF = 0.707106781f;
|
|
int x = 0, y = 0;
|
|
|
|
if (right->GetStatus())
|
|
++x;
|
|
if (left->GetStatus())
|
|
--x;
|
|
if (up->GetStatus())
|
|
++y;
|
|
if (down->GetStatus())
|
|
--y;
|
|
|
|
float coef = modifier->GetStatus() ? modifier_scale : 1.0f;
|
|
return std::make_tuple(x * coef * (y == 0 ? 1.0f : SQRT_HALF),
|
|
y * coef * (x == 0 ? 1.0f : SQRT_HALF));
|
|
}
|
|
|
|
bool GetAnalogDirectionStatus(Input::AnalogDirection direction) const override {
|
|
switch (direction) {
|
|
case Input::AnalogDirection::RIGHT:
|
|
return right->GetStatus();
|
|
case Input::AnalogDirection::LEFT:
|
|
return left->GetStatus();
|
|
case Input::AnalogDirection::UP:
|
|
return up->GetStatus();
|
|
case Input::AnalogDirection::DOWN:
|
|
return down->GetStatus();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private:
|
|
Button up;
|
|
Button down;
|
|
Button left;
|
|
Button right;
|
|
Button modifier;
|
|
float modifier_scale;
|
|
};
|
|
|
|
std::unique_ptr<Input::AnalogDevice> AnalogFromButton::Create(const Common::ParamPackage& params) {
|
|
const std::string null_engine = Common::ParamPackage{{"engine", "null"}}.Serialize();
|
|
auto up = Input::CreateDevice<Input::ButtonDevice>(params.Get("up", null_engine));
|
|
auto down = Input::CreateDevice<Input::ButtonDevice>(params.Get("down", null_engine));
|
|
auto left = Input::CreateDevice<Input::ButtonDevice>(params.Get("left", null_engine));
|
|
auto right = Input::CreateDevice<Input::ButtonDevice>(params.Get("right", null_engine));
|
|
auto modifier = Input::CreateDevice<Input::ButtonDevice>(params.Get("modifier", null_engine));
|
|
auto modifier_scale = params.Get("modifier_scale", 0.5f);
|
|
return std::make_unique<Analog>(std::move(up), std::move(down), std::move(left),
|
|
std::move(right), std::move(modifier), modifier_scale);
|
|
}
|
|
|
|
} // namespace InputCommon
|