Duckstation/src/core/analog_controller.h

156 lines
4 KiB
C++

#pragma once
#include "controller.h"
#include <array>
#include <memory>
#include <optional>
#include <string_view>
class AnalogController final : public Controller
{
public:
enum class Axis : u8
{
LeftX,
LeftY,
RightX,
RightY,
Count
};
enum class Button : u8
{
Select = 0,
L3 = 1,
R3 = 2,
Start = 3,
Up = 4,
Right = 5,
Down = 6,
Left = 7,
L2 = 8,
R2 = 9,
L1 = 10,
R1 = 11,
Triangle = 12,
Circle = 13,
Cross = 14,
Square = 15,
Analog = 16,
Count
};
static constexpr u8 NUM_MOTORS = 2;
AnalogController(u32 index);
~AnalogController() override;
static std::unique_ptr<AnalogController> Create(u32 index);
static std::optional<s32> StaticGetAxisCodeByName(std::string_view axis_name);
static std::optional<s32> StaticGetButtonCodeByName(std::string_view button_name);
static AxisList StaticGetAxisNames();
static ButtonList StaticGetButtonNames();
static u32 StaticGetVibrationMotorCount();
static SettingList StaticGetSettings();
ControllerType GetType() const override;
std::optional<s32> GetAxisCodeByName(std::string_view axis_name) const override;
std::optional<s32> GetButtonCodeByName(std::string_view button_name) const override;
void Reset() override;
bool DoState(StateWrapper& sw, bool ignore_input_state) override;
void SetAxisState(s32 axis_code, float value) override;
void SetButtonState(s32 button_code, bool pressed) override;
u32 GetButtonStateBits() const override;
std::optional<u32> GetAnalogInputBytes() const override;
void ResetTransferState() override;
bool Transfer(const u8 data_in, u8* data_out) override;
void SetAxisState(Axis axis, u8 value);
void SetButtonState(Button button, bool pressed);
u32 GetVibrationMotorCount() const override;
float GetVibrationMotorStrength(u32 motor) override;
void LoadSettings(const char* section) override;
private:
using MotorState = std::array<u8, NUM_MOTORS>;
enum class Command : u8
{
Idle,
ReadPad, // 0x42
ConfigModeSetMode, // 0x43
SetAnalogMode, // 0x44
GetAnalogMode, // 0x45
Command46, // 0x46
Command47, // 0x47
Command4C, // 0x4C
GetSetRumble // 0x4D
};
Command m_command = Command::Idle;
int m_command_step = 0;
// Transmit and receive buffers, not including the first Hi-Z/ack response byte
static constexpr u32 MAX_RESPONSE_LENGTH = 8;
std::array<u8, MAX_RESPONSE_LENGTH> m_rx_buffer;
std::array<u8, MAX_RESPONSE_LENGTH> m_tx_buffer;
u32 m_response_length = 0;
// Get number of response halfwords (excluding the initial controller info halfword)
u8 GetResponseNumHalfwords() const;
u8 GetModeID() const;
u8 GetIDByte() const;
// TODO: Return 0x00 on manual toggles
constexpr u8 GetStatusByte() const { return 0x5A; };
void SetAnalogMode(bool enabled);
void SetMotorState(u8 motor, u8 value);
u8 GetExtraButtonMaskLSB() const;
void ResetRumbleConfig();
void SetMotorStateForConfigIndex(int index, u8 value);
u32 m_index;
bool m_force_analog_on_reset = false;
bool m_analog_dpad_in_digital_mode = false;
float m_axis_scale = 1.00f;
u8 m_rumble_bias = 8;
bool m_analog_mode = false;
bool m_analog_locked = false;
bool m_rumble_unlocked = false;
bool m_configuration_mode = false;
std::array<u8, static_cast<u8>(Axis::Count)> m_axis_state{};
enum : u8
{
LargeMotor = 0,
SmallMotor = 1
};
std::array<u8, 6> m_rumble_config{};
int m_rumble_config_large_motor_index = -1;
int m_rumble_config_small_motor_index = -1;
bool m_analog_toggle_queued = false;
// TODO: Set this with command 0x4D and increase response length in digital mode accordingly
u8 m_digital_mode_extra_halfwords = 0;
// buttons are active low
u16 m_button_state = UINT16_C(0xFFFF);
MotorState m_motor_state{};
// Member variables that are no longer used, but kept and serialized for compatibility with older save states
u8 m_command_param = 0;
bool m_legacy_rumble_unlocked = false;
};