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// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <mutex>
#include <utility>
#include "common/settings.h"
#include "common/threadsafe_queue.h"
#include "input_common/tas/tas_input.h"
#include "input_common/tas/tas_poller.h"
namespace InputCommon {
class TasButton final : public Input::ButtonDevice {
public:
explicit TasButton(u32 button_, u32 pad_, const TasInput::Tas* tas_input_)
: button(button_), pad(pad_), tas_input(tas_input_) {}
bool GetStatus() const override {
return (tas_input->GetTasState(pad).buttons & button) != 0;
}
private:
const u32 button;
const u32 pad;
const TasInput::Tas* tas_input;
};
TasButtonFactory::TasButtonFactory(std::shared_ptr<TasInput::Tas> tas_input_)
: tas_input(std::move(tas_input_)) {}
std::unique_ptr<Input::ButtonDevice> TasButtonFactory::Create(const Common::ParamPackage& params) {
const auto button_id = params.Get("button", 0);
const auto pad = params.Get("pad", 0);
return std::make_unique<TasButton>(button_id, pad, tas_input.get());
}
class TasAnalog final : public Input::AnalogDevice {
public:
explicit TasAnalog(u32 pad_, u32 axis_x_, u32 axis_y_, const TasInput::Tas* tas_input_)
: pad(pad_), axis_x(axis_x_), axis_y(axis_y_), tas_input(tas_input_) {}
float GetAxis(u32 axis) const {
std::lock_guard lock{mutex};
return tas_input->GetTasState(pad).axis.at(axis);
}
std::pair<float, float> GetAnalog(u32 analog_axis_x, u32 analog_axis_y) const {
float x = GetAxis(analog_axis_x);
float y = GetAxis(analog_axis_y);
// Make sure the coordinates are in the unit circle,
// otherwise normalize it.
float r = x * x + y * y;
if (r > 1.0f) {
r = std::sqrt(r);
x /= r;
y /= r;
}
return {x, y};
}
std::tuple<float, float> GetStatus() const override {
return GetAnalog(axis_x, axis_y);
}
Input::AnalogProperties GetAnalogProperties() const override {
return {0.0f, 1.0f, 0.5f};
}
private:
const u32 pad;
const u32 axis_x;
const u32 axis_y;
const TasInput::Tas* tas_input;
mutable std::mutex mutex;
};
/// An analog device factory that creates analog devices from GC Adapter
TasAnalogFactory::TasAnalogFactory(std::shared_ptr<TasInput::Tas> tas_input_)
: tas_input(std::move(tas_input_)) {}
/**
* Creates analog device from joystick axes
* @param params contains parameters for creating the device:
* - "port": the nth gcpad on the adapter
* - "axis_x": the index of the axis to be bind as x-axis
* - "axis_y": the index of the axis to be bind as y-axis
*/
std::unique_ptr<Input::AnalogDevice> TasAnalogFactory::Create(const Common::ParamPackage& params) {
const auto pad = static_cast<u32>(params.Get("pad", 0));
const auto axis_x = static_cast<u32>(params.Get("axis_x", 0));
const auto axis_y = static_cast<u32>(params.Get("axis_y", 1));
return std::make_unique<TasAnalog>(pad, axis_x, axis_y, tas_input.get());
}
} // namespace InputCommon
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