dolphin/Source/Core/InputCommon/ControllerEmu/ControlGroup/Slider.cpp
Lioncash 918d448b5b ControlGroup/Slider: Return state data by value
Makes it less error-prone to get state data from sliders (no need
to pass any locals), and also allows direct assignment, letting the
retrieved data be const.
2018-07-13 13:20:35 -04:00

44 lines
1.3 KiB
C++

// Copyright 2017 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include "InputCommon/ControllerEmu/ControlGroup/Slider.h"
#include <cmath>
#include <memory>
#include <string>
#include "Common/Common.h"
#include "InputCommon/ControlReference/ControlReference.h"
#include "InputCommon/ControllerEmu/Control/Control.h"
#include "InputCommon/ControllerEmu/Control/Input.h"
#include "InputCommon/ControllerEmu/ControllerEmu.h"
#include "InputCommon/ControllerEmu/Setting/NumericSetting.h"
namespace ControllerEmu
{
Slider::Slider(const std::string& name_, const std::string& ui_name_)
: ControlGroup(name_, ui_name_, GroupType::Slider)
{
controls.emplace_back(std::make_unique<Input>(Translate, _trans("Left")));
controls.emplace_back(std::make_unique<Input>(Translate, _trans("Right")));
numeric_settings.emplace_back(std::make_unique<NumericSetting>(_trans("Dead Zone"), 0, 0, 50));
}
Slider::Slider(const std::string& name_) : Slider(name_, name_)
{
}
Slider::StateData Slider::GetState()
{
const ControlState deadzone = numeric_settings[0]->GetValue();
const ControlState state = controls[1]->control_ref->State() - controls[0]->control_ref->State();
if (fabs(state) > deadzone)
return {(state - (deadzone * sign(state))) / (1 - deadzone)};
return {0.0};
}
} // namespace ControllerEmu