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// Copyright 2017 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "InputCommon/ControllerEmu/ControlGroup/Cursor.h"
#include <algorithm>
#include <cmath>
#include <limits>
#include <memory>
#include <string>
#include "Common/Common.h"
#include "Common/MathUtil.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
{
Cursor::Cursor(std::string name_, std::string ui_name_)
: ReshapableInput(std::move(name_), std::move(ui_name_), GroupType::Cursor),
m_last_update(Clock::now())
{
for (auto& named_direction : named_directions)
AddInput(Translate, named_direction);
AddInput(Translate, _trans("Hide"));
AddInput(Translate, _trans("Recenter"));
AddInput(Translate, _trans("Relative Input Hold"));
// Default values chosen to reach screen edges in most games including the Wii Menu.
AddSetting(&m_vertical_offset_setting,
// i18n: Refers to a positional offset applied to an emulated wiimote.
{_trans("Vertical Offset"),
// i18n: The symbol/abbreviation for centimeters.
_trans("cm")},
10, -100, 100);
AddSetting(&m_yaw_setting,
// i18n: Refers to an amount of rotational movement about the "yaw" axis.
{_trans("Total Yaw"),
// i18n: The symbol/abbreviation for degrees (unit of angular measure).
_trans("°"),
// i18n: Refers to emulated wii remote movements.
_trans("Total rotation about the yaw axis.")},
25, 0, 360);
AddSetting(&m_pitch_setting,
// i18n: Refers to an amount of rotational movement about the "pitch" axis.
{_trans("Total Pitch"),
// i18n: The symbol/abbreviation for degrees (unit of angular measure).
_trans("°"),
// i18n: Refers to emulated wii remote movements.
_trans("Total rotation about the pitch axis.")},
20, 0, 360);
AddSetting(&m_relative_setting, {_trans("Relative Input")}, false);
AddSetting(&m_autohide_setting, {_trans("Auto-Hide")}, false);
}
Cursor::ReshapeData Cursor::GetReshapableState(bool adjusted) const
{
const ControlState y = controls[0]->GetState() - controls[1]->GetState();
const ControlState x = controls[3]->GetState() - controls[2]->GetState();
// Return raw values. (used in UI)
if (!adjusted)
return {x, y};
return Reshape(x, y, 0.0);
}
ControlState Cursor::GetGateRadiusAtAngle(double ang) const
{
return SquareStickGate(1.0).GetRadiusAtAngle(ang);
}
Cursor::StateData Cursor::GetState(const bool adjusted)
{
if (!adjusted)
{
const auto raw_input = GetReshapableState(false);
return {raw_input.x, raw_input.y};
}
const auto input = GetReshapableState(true);
// TODO: Using system time is ugly.
// Kill this after state is moved into wiimote rather than this class.
const auto now = Clock::now();
const auto ms_since_update =
std::chrono::duration_cast<std::chrono::milliseconds>(now - m_last_update).count();
m_last_update = now;
const double max_step = STEP_PER_SEC / 1000.0 * ms_since_update;
// Relative input:
if (m_relative_setting.GetValue() ^ (controls[6]->GetState<bool>()))
{
// Recenter:
if (controls[5]->GetState<bool>())
{
m_state.x = 0.0;
m_state.y = 0.0;
}
else
{
m_state.x = std::clamp(m_state.x + input.x * max_step, -1.0, 1.0);
m_state.y = std::clamp(m_state.y + input.y * max_step, -1.0, 1.0);
}
}
// Absolute input:
else
{
m_state.x = input.x;
m_state.y = input.y;
}
StateData result = m_state;
const bool autohide = m_autohide_setting.GetValue();
// Auto-hide timer:
// TODO: should Z movement reset this?
if (!autohide || std::abs(m_prev_result.x - result.x) > AUTO_HIDE_DEADZONE ||
std::abs(m_prev_result.y - result.y) > AUTO_HIDE_DEADZONE)
{
m_auto_hide_timer = AUTO_HIDE_MS;
}
else if (m_auto_hide_timer)
{
m_auto_hide_timer -= std::min<int>(ms_since_update, m_auto_hide_timer);
}
m_prev_result = result;
// If auto-hide time is up or hide button is held:
if (!m_auto_hide_timer || controls[4]->GetState<bool>())
{
result.x = std::numeric_limits<ControlState>::quiet_NaN();
result.y = 0;
}
return result;
}
ControlState Cursor::GetTotalYaw() const
{
return m_yaw_setting.GetValue() * MathUtil::TAU / 360;
}
ControlState Cursor::GetTotalPitch() const
{
return m_pitch_setting.GetValue() * MathUtil::TAU / 360;
}
ControlState Cursor::GetVerticalOffset() const
{
return m_vertical_offset_setting.GetValue() / 100;
}
bool Cursor::StateData::IsVisible() const
{
return !std::isnan(x);
}
} // namespace ControllerEmu
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