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// Copyright 2017 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include "InputCommon/ControllerEmu/ControlGroup/Cursor.h"
#include <algorithm>
#include <cmath>
#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/BooleanSetting.h"
#include "InputCommon/ControllerEmu/Setting/NumericSetting.h"
namespace ControllerEmu
{
Cursor::Cursor(const std::string& name_)
: ReshapableInput(name_, name_, GroupType::Cursor), m_last_update(Clock::now())
{
for (auto& named_direction : named_directions)
controls.emplace_back(std::make_unique<Input>(Translate, named_direction));
controls.emplace_back(std::make_unique<Input>(Translate, _trans("Forward")));
controls.emplace_back(std::make_unique<Input>(Translate, _trans("Backward")));
controls.emplace_back(std::make_unique<Input>(Translate, _trans("Hide")));
controls.emplace_back(std::make_unique<Input>(Translate, _trans("Recenter")));
// Default shape is a 1.0 square (no resizing/reshaping):
AddReshapingSettings(1.0, 0.5, 50);
numeric_settings.emplace_back(std::make_unique<NumericSetting>(_trans("Center"), 0.5));
numeric_settings.emplace_back(std::make_unique<NumericSetting>(_trans("Width"), 0.5));
numeric_settings.emplace_back(std::make_unique<NumericSetting>(_trans("Height"), 0.5));
boolean_settings.emplace_back(std::make_unique<BooleanSetting>(_trans("Relative Input"), false));
boolean_settings.emplace_back(std::make_unique<BooleanSetting>(_trans("Auto-Hide"), false));
}
Cursor::ReshapeData Cursor::GetReshapableState(bool adjusted)
{
const ControlState y = controls[0]->control_ref->State() - controls[1]->control_ref->State();
const ControlState x = controls[3]->control_ref->State() - controls[2]->control_ref->State();
// Return raw values. (used in UI)
if (!adjusted)
return {x, y};
return Reshape(x, y, 0.0);
}
ControlState Cursor::GetGateRadiusAtAngle(double ang) const
{
// TODO: Change this to 0.5 and adjust the math,
// so pointer doesn't have to be clamped to the configured width/height?
return SquareStickGate(1.0).GetRadiusAtAngle(ang);
}
Cursor::StateData Cursor::GetState(const bool adjusted)
{
ControlState z = controls[4]->control_ref->State() - controls[5]->control_ref->State();
if (!adjusted)
{
const auto raw_input = GetReshapableState(false);
return {raw_input.x, raw_input.y, z};
}
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;
const double max_z_step = STEP_Z_PER_SEC / 1000.0 * ms_since_update;
// Apply deadzone to z:
const ControlState deadzone = numeric_settings[SETTING_DEADZONE]->GetValue();
z = std::copysign(std::max(0.0, std::abs(z) - deadzone) / (1.0 - deadzone), z);
// Smooth out z movement:
// FYI: Not using relative input for Z.
m_state.z += MathUtil::Clamp(z - m_state.z, -max_z_step, max_z_step);
// Relative input:
if (boolean_settings[0]->GetValue())
{
// Recenter:
if (controls[7]->control_ref->State() > BUTTON_THRESHOLD)
{
m_state.x = 0.0;
m_state.y = 0.0;
}
else
{
m_state.x = MathUtil::Clamp(m_state.x + input.x * max_step, -1.0, 1.0);
m_state.y = MathUtil::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;
// Adjust cursor according to settings:
result.x *= (numeric_settings[SETTING_WIDTH]->GetValue() * 2);
result.y *= (numeric_settings[SETTING_HEIGHT]->GetValue() * 2);
result.y += (numeric_settings[SETTING_CENTER]->GetValue() - 0.5);
const bool autohide = boolean_settings[1]->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[6]->control_ref->State() > BUTTON_THRESHOLD)
{
// TODO: Use NaN or something:
result.x = 10000;
result.y = 0;
}
return result;
}
} // namespace ControllerEmu
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