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https://github.com/RetroDECK/Duckstation.git
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116 lines
2.3 KiB
C++
116 lines
2.3 KiB
C++
// SPDX-FileCopyrightText: 2019-2022 Connor McLaughlin <stenzek@gmail.com> and contributors.
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// SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0)
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#pragma once
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#include "controller.h"
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#include <array>
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#include <memory>
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#include <optional>
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#include <string_view>
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class AnalogJoystick final : public Controller
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{
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public:
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enum class Axis : u8
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{
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LeftX,
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LeftY,
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RightX,
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RightY,
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Count
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};
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enum class Button : u8
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{
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Select = 0,
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L3 = 1,
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R3 = 2,
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Start = 3,
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Up = 4,
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Right = 5,
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Down = 6,
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Left = 7,
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L2 = 8,
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R2 = 9,
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L1 = 10,
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R1 = 11,
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Triangle = 12,
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Circle = 13,
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Cross = 14,
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Square = 15,
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Mode = 16,
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Count
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};
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enum class HalfAxis : u8
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{
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LLeft,
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LRight,
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LDown,
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LUp,
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RLeft,
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RRight,
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RDown,
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RUp,
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Count
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};
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static const Controller::ControllerInfo INFO;
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AnalogJoystick(u32 index);
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~AnalogJoystick() override;
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static std::unique_ptr<AnalogJoystick> Create(u32 index);
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ControllerType GetType() const override;
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bool InAnalogMode() const override;
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void Reset() override;
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bool DoState(StateWrapper& sw, bool apply_input_state) override;
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float GetBindState(u32 index) const override;
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void SetBindState(u32 index, float value) override;
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u32 GetButtonStateBits() const override;
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std::optional<u32> GetAnalogInputBytes() const override;
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void ResetTransferState() override;
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bool Transfer(const u8 data_in, u8* data_out) override;
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void LoadSettings(SettingsInterface& si, const char* section) override;
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private:
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enum class TransferState : u8
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{
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Idle,
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Ready,
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IDMSB,
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ButtonsLSB,
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ButtonsMSB,
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RightAxisX,
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RightAxisY,
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LeftAxisX,
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LeftAxisY
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};
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u16 GetID() const;
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void ToggleAnalogMode();
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float m_analog_deadzone = 0.0f;
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float m_analog_sensitivity = 1.33f;
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u8 m_invert_left_stick = 0;
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u8 m_invert_right_stick = 0;
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// On original hardware, the mode toggle is a switch rather than a button, so we'll enable Analog Mode by default
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bool m_analog_mode = true;
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// buttons are active low
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u16 m_button_state = UINT16_C(0xFFFF);
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std::array<u8, static_cast<u8>(Axis::Count)> m_axis_state{};
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// both directions of axis state, merged to m_axis_state
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std::array<u8, static_cast<u32>(HalfAxis::Count)> m_half_axis_state{};
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TransferState m_transfer_state = TransferState::Idle;
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};
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