// Copyright 2017 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.

#include "InputCommon/ControllerEmu/ControlGroup/AnalogStick.h"

#include <cmath>

#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
{
AnalogStick::AnalogStick(const char* const name_, std::unique_ptr<StickGate>&& stick_gate)
    : AnalogStick(name_, name_, std::move(stick_gate))
{
}

AnalogStick::AnalogStick(const char* const name_, const char* const ui_name_,
                         std::unique_ptr<StickGate>&& stick_gate)
    : ReshapableInput(name_, ui_name_, GroupType::Stick), m_stick_gate(std::move(stick_gate))
{
  for (auto& named_direction : named_directions)
    AddInput(Translate, named_direction);

  AddInput(Translate, _trans("Modifier"));
}

AnalogStick::ReshapeData AnalogStick::GetReshapableState(bool adjusted)
{
  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};

  const ControlState modifier = controls[4]->GetState();

  return Reshape(x, y, modifier);
}

AnalogStick::StateData AnalogStick::GetState()
{
  return GetReshapableState(true);
}

ControlState AnalogStick::GetGateRadiusAtAngle(double ang) const
{
  return m_stick_gate->GetRadiusAtAngle(ang);
}

OctagonAnalogStick::OctagonAnalogStick(const char* name_, ControlState gate_radius)
    : OctagonAnalogStick(name_, name_, gate_radius)
{
}

OctagonAnalogStick::OctagonAnalogStick(const char* name_, const char* ui_name_,
                                       ControlState gate_radius)
    : AnalogStick(name_, ui_name_, std::make_unique<ControllerEmu::OctagonStickGate>(gate_radius))
{
  AddVirtualNotchSetting(&m_virtual_notch_setting, 45);
}

ControlState OctagonAnalogStick::GetVirtualNotchSize() const
{
  return m_virtual_notch_setting.GetValue() * MathUtil::TAU / 360;
}

}  // namespace ControllerEmu
