Xargon/Duckstation
1
0
Fork 0
mirror of https://github.com/RetroDECK/Duckstation.git synced 2024-11-23 22:25:42 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity
Duckstation/src/core/analog_controller.cpp

564 lines
20 KiB
C++
Raw Blame History

#include "analog_controller.h"
#include "common/log.h"
#include "common/state_wrapper.h"
#include "common/string_util.h"
#include "host_interface.h"
#include "system.h"
#include <cmath>
Log_SetChannel(AnalogController);
AnalogController::AnalogController(u32 index) : m_index(index)
{
m_axis_state.fill(0x80);
Reset();
}
AnalogController::~AnalogController() = default;
ControllerType AnalogController::GetType() const
{
return ControllerType::AnalogController;
}
void AnalogController::Reset()
{
m_analog_mode = false;
m_rumble_unlocked = false;
m_configuration_mode = false;
m_command_param = 0;
m_motor_state.fill(0);
if (m_auto_enable_analog)
SetAnalogMode(true);
}
bool AnalogController::DoState(StateWrapper& sw)
{
if (!Controller::DoState(sw))
return false;
const bool old_analog_mode = m_analog_mode;
sw.Do(&m_analog_mode);
sw.Do(&m_rumble_unlocked);
sw.Do(&m_configuration_mode);
sw.Do(&m_command_param);
sw.Do(&m_state);
MotorState motor_state = m_motor_state;
sw.Do(&motor_state);
if (sw.IsReading())
{
for (u8 i = 0; i < NUM_MOTORS; i++)
SetMotorState(i, motor_state[i]);
if (old_analog_mode != m_analog_mode)
{
g_host_interface->AddFormattedOSDMessage(
5.0f,
m_analog_mode ?
g_host_interface->TranslateString("AnalogController", "Controller %u switched to analog mode.") :
g_host_interface->TranslateString("AnalogController", "Controller %u switched to digital mode."),
m_index + 1u);
}
}
return true;
}
std::optional<s32> AnalogController::GetAxisCodeByName(std::string_view axis_name) const
{
return StaticGetAxisCodeByName(axis_name);
}
std::optional<s32> AnalogController::GetButtonCodeByName(std::string_view button_name) const
{
return StaticGetButtonCodeByName(button_name);
}
void AnalogController::SetAxisState(s32 axis_code, float value)
{
if (axis_code < 0 || axis_code >= static_cast<s32>(Axis::Count))
return;
// -1..1 -> 0..255
const u8 u8_value = static_cast<u8>(std::clamp(((value + 1.0f) / 2.0f) * 255.0f, 0.0f, 255.0f));
SetAxisState(static_cast<Axis>(axis_code), u8_value);
}
void AnalogController::SetAxisState(Axis axis, u8 value)
{
m_axis_state[static_cast<u8>(axis)] = value;
}
void AnalogController::SetButtonState(Button button, bool pressed)
{
if (button == Button::Analog)
{
// analog toggle
if (pressed)
{
if (m_analog_locked)
{
g_host_interface->AddFormattedOSDMessage(
5.0f,
m_analog_mode ? g_host_interface->TranslateString("AnalogController",
"Controller %u is locked to analog mode by the game.") :
g_host_interface->TranslateString("AnalogController",
"Controller %u is locked to digital mode by the game."),
m_index + 1u);
}
else
{
SetAnalogMode(!m_analog_mode);
}
}
return;
}
if (pressed)
m_button_state &= ~(u16(1) << static_cast<u8>(button));
else
m_button_state |= u16(1) << static_cast<u8>(button);
}
void AnalogController::SetButtonState(s32 button_code, bool pressed)
{
if (button_code < 0 || button_code >= static_cast<s32>(Button::Count))
return;
SetButtonState(static_cast<Button>(button_code), pressed);
}
u32 AnalogController::GetVibrationMotorCount() const
{
return NUM_MOTORS;
}
float AnalogController::GetVibrationMotorStrength(u32 motor)
{
DebugAssert(motor < NUM_MOTORS);
if (m_motor_state[motor] == 0)
return 0.0f;
// Curve from https://github.com/KrossX/Pokopom/blob/master/Pokopom/Input_XInput.cpp#L210
const double x =
static_cast<double>(std::min<u32>(static_cast<u32>(m_motor_state[motor]) + static_cast<u32>(m_rumble_bias), 255));
const double strength = 0.006474549734772402 * std::pow(x, 3.0) - 1.258165252213538 * std::pow(x, 2.0) +
156.82454281087692 * x + 3.637978807091713e-11;
return static_cast<float>(strength / 65535.0);
}
void AnalogController::ResetTransferState()
{
m_state = State::Idle;
}
u16 AnalogController::GetID() const
{
static constexpr u16 DIGITAL_MODE_ID = 0x5A41;
static constexpr u16 ANALOG_MODE_ID = 0x5A73;
static constexpr u16 CONFIG_MODE_ID = 0x5AF3;
if (m_configuration_mode)
return CONFIG_MODE_ID;
return m_analog_mode ? ANALOG_MODE_ID : DIGITAL_MODE_ID;
}
void AnalogController::SetAnalogMode(bool enabled)
{
if (m_analog_mode == enabled)
return;
Log_InfoPrintf("Controller %u switched to %s mode.", m_index + 1u, enabled ? "analog" : "digital");
g_host_interface->AddFormattedOSDMessage(
5.0f,
enabled ? g_host_interface->TranslateString("AnalogController", "Controller %u switched to analog mode.") :
g_host_interface->TranslateString("AnalogController", "Controller %u switched to digital mode."),
m_index + 1u);
m_analog_mode = enabled;
}
void AnalogController::SetMotorState(u8 motor, u8 value)
{
DebugAssert(motor < NUM_MOTORS);
m_motor_state[motor] = value;
}
u8 AnalogController::GetExtraButtonMaskLSB() const
{
if (!m_analog_dpad_in_digital_mode || m_analog_mode)
return 0xFF;
static constexpr u8 NEG_THRESHOLD = static_cast<u8>(128.0f - (127.0 * 0.5f));
static constexpr u8 POS_THRESHOLD = static_cast<u8>(128.0f + (127.0 * 0.5f));
const bool left = (m_axis_state[static_cast<u8>(Axis::LeftX)] <= NEG_THRESHOLD);
const bool right = (m_axis_state[static_cast<u8>(Axis::LeftX)] >= POS_THRESHOLD);
const bool up = (m_axis_state[static_cast<u8>(Axis::LeftY)] <= NEG_THRESHOLD);
const bool down = (m_axis_state[static_cast<u8>(Axis::LeftY)] >= POS_THRESHOLD);
return ~((static_cast<u8>(left) << static_cast<u8>(Button::Left)) |
(static_cast<u8>(right) << static_cast<u8>(Button::Right)) |
(static_cast<u8>(up) << static_cast<u8>(Button::Up)) |
(static_cast<u8>(down) << static_cast<u8>(Button::Down)));
}
bool AnalogController::Transfer(const u8 data_in, u8* data_out)
{
bool ack;
#ifdef _DEBUG
u8 old_state = static_cast<u8>(m_state);
#endif
switch (m_state)
{
#define FIXED_REPLY_STATE(state, reply, ack_value, next_state) \
case state: \
{ \
*data_out = reply; \
m_state = next_state; \
ack = ack_value; \
} \
break;
#define ID_STATE_MSB(state, next_state) \
case state: \
{ \
*data_out = Truncate8(GetID() >> 8); \
m_state = next_state; \
ack = true; \
} \
break;
case State::Idle:
{
// ack when sent 0x01, send ID for 0x42
if (data_in == 0x42)
{
*data_out = Truncate8(GetID());
m_state = State::GetStateIDMSB;
ack = true;
}
else if (data_in == 0x43)
{
*data_out = Truncate8(GetID());
m_state = State::ConfigModeIDMSB;
ack = true;
}
else if (m_configuration_mode && data_in == 0x44)
{
*data_out = Truncate8(GetID());
m_state = State::SetAnalogModeIDMSB;
ack = true;
}
else if (m_configuration_mode && data_in == 0x45)
{
*data_out = Truncate8(GetID());
m_state = State::GetAnalogModeIDMSB;
ack = true;
}
else if (m_configuration_mode && data_in == 0x46)
{
*data_out = Truncate8(GetID());
m_state = State::Command46IDMSB;
ack = true;
}
else if (m_configuration_mode && data_in == 0x47)
{
*data_out = Truncate8(GetID());
m_state = State::Command47IDMSB;
ack = true;
}
else if (m_configuration_mode && data_in == 0x4C)
{
*data_out = Truncate8(GetID());
m_state = State::Command4CIDMSB;
ack = true;
}
else if (m_configuration_mode && data_in == 0x4D)
{
m_rumble_unlocked = true;
*data_out = Truncate8(GetID());
m_state = State::UnlockRumbleIDMSB;
ack = true;
}
else
{
Log_DebugPrintf("data_in = 0x%02X", data_in);
*data_out = 0xFF;
ack = (data_in == 0x01);
}
}
break;
ID_STATE_MSB(State::GetStateIDMSB, State::GetStateButtonsLSB);
case State::GetStateButtonsLSB:
{
if (m_rumble_unlocked)
SetMotorState(1, ((data_in & 0x01) != 0) ? 255 : 0);
*data_out = Truncate8(m_button_state) & GetExtraButtonMaskLSB();
m_state = State::GetStateButtonsMSB;
ack = true;
}
break;
case State::GetStateButtonsMSB:
{
if (m_rumble_unlocked)
SetMotorState(0, data_in);
*data_out = Truncate8(m_button_state >> 8);
m_state = m_analog_mode ? State::GetStateRightAxisX : State::Idle;
ack = m_analog_mode;
}
break;
FIXED_REPLY_STATE(State::GetStateRightAxisX, Truncate8(m_axis_state[static_cast<u8>(Axis::RightX)]), true,
State::GetStateRightAxisY);
FIXED_REPLY_STATE(State::GetStateRightAxisY, Truncate8(m_axis_state[static_cast<u8>(Axis::RightY)]), true,
State::GetStateLeftAxisX);
FIXED_REPLY_STATE(State::GetStateLeftAxisX, Truncate8(m_axis_state[static_cast<u8>(Axis::LeftX)]), true,
State::GetStateLeftAxisY);
FIXED_REPLY_STATE(State::GetStateLeftAxisY, Truncate8(m_axis_state[static_cast<u8>(Axis::LeftY)]), false,
State::Idle);
ID_STATE_MSB(State::ConfigModeIDMSB, State::ConfigModeSetMode);
case State::ConfigModeSetMode:
{
Log_DebugPrintf("0x%02x(%s) config mode", data_in, data_in == 1 ? "enter" : "leave");
m_configuration_mode = (data_in == 1);
*data_out = Truncate8(m_button_state);
m_state = State::GetStateButtonsMSB;
ack = true;
}
break;
ID_STATE_MSB(State::SetAnalogModeIDMSB, State::SetAnalogModeVal);
case State::SetAnalogModeVal:
{
Log_DevPrintf("analog mode val 0x%02x", data_in);
if (data_in == 0x00 || data_in == 0x01)
SetAnalogMode((data_in == 0x01));
*data_out = 0x00;
m_state = State::SetAnalogModeSel;
ack = true;
}
break;
case State::SetAnalogModeSel:
{
Log_DevPrintf("analog mode lock 0x%02x", data_in);
if (data_in == 0x02 || data_in == 0x03)
m_analog_locked = (data_in == 0x03);
*data_out = 0x00;
m_state = State::Pad4Bytes;
ack = true;
}
break;
ID_STATE_MSB(State::GetAnalogModeIDMSB, State::GetAnalogMode1);
FIXED_REPLY_STATE(State::GetAnalogMode1, 0x01, true, State::GetAnalogMode2);
FIXED_REPLY_STATE(State::GetAnalogMode2, 0x02, true, State::GetAnalogMode3);
FIXED_REPLY_STATE(State::GetAnalogMode3, BoolToUInt8(m_analog_mode), true, State::GetAnalogMode4);
FIXED_REPLY_STATE(State::GetAnalogMode4, 0x02, true, State::GetAnalogMode5);
FIXED_REPLY_STATE(State::GetAnalogMode5, 0x01, true, State::GetAnalogMode6);
FIXED_REPLY_STATE(State::GetAnalogMode6, 0x00, false, State::Idle);
ID_STATE_MSB(State::Command46IDMSB, State::Command461);
case State::Command461:
{
Log_DebugPrintf("command 46 param 0x%02X", data_in);
m_command_param = data_in;
*data_out = 0x00;
m_state = State::Command462;
ack = true;
}
break;
FIXED_REPLY_STATE(State::Command462, 0x00, true, State::Command463);
FIXED_REPLY_STATE(State::Command463, 0x01, true, State::Command464);
FIXED_REPLY_STATE(State::Command464, ((m_command_param == 1) ? 1 : 2), true, State::Command465);
FIXED_REPLY_STATE(State::Command465, ((m_command_param == 1) ? 1 : 0), true, State::Command466);
FIXED_REPLY_STATE(State::Command466, ((m_command_param == 1) ? 0x14 : 0x0A), false, State::Idle);
ID_STATE_MSB(State::Command47IDMSB, State::Command471);
FIXED_REPLY_STATE(State::Command471, 0x00, true, State::Command472);
FIXED_REPLY_STATE(State::Command472, 0x00, true, State::Command473);
FIXED_REPLY_STATE(State::Command473, 0x02, true, State::Command474);
FIXED_REPLY_STATE(State::Command474, 0x00, true, State::Command475);
FIXED_REPLY_STATE(State::Command475, 0x01, true, State::Command476);
FIXED_REPLY_STATE(State::Command476, 0x00, false, State::Idle);
ID_STATE_MSB(State::Command4CIDMSB, State::Command4CMode);
case State::Command4CMode:
{
// SetAnalogMode(data_in != 0x00);
// Log_WarningPrintf("analog mode %s by 0x4c", m_analog_mode ? "enabled" : "disabled");
*data_out = 0x00;
m_state = State::Command4C1;
ack = true;
}
break;
FIXED_REPLY_STATE(State::Command4C1, 0x00, true, State::Command4C2);
FIXED_REPLY_STATE(State::Command4C2, 0x00, true, State::Command4C3);
FIXED_REPLY_STATE(State::Command4C3, m_analog_mode ? 0x07 : 0x04, true, State::Command4C4);
FIXED_REPLY_STATE(State::Command4C4, 0x00, true, State::Command4C5);
FIXED_REPLY_STATE(State::Command4C5, 0x00, false, State::Idle);
ID_STATE_MSB(State::UnlockRumbleIDMSB, State::Pad6Bytes);
FIXED_REPLY_STATE(State::Pad6Bytes, 0x00, true, State::Pad5Bytes);
FIXED_REPLY_STATE(State::Pad5Bytes, 0x00, true, State::Pad4Bytes);
FIXED_REPLY_STATE(State::Pad4Bytes, 0x00, true, State::Pad3Bytes);
FIXED_REPLY_STATE(State::Pad3Bytes, 0x00, true, State::Pad2Bytes);
FIXED_REPLY_STATE(State::Pad2Bytes, 0x00, true, State::Pad1Byte);
FIXED_REPLY_STATE(State::Pad1Byte, 0x00, false, State::Idle);
default:
{
UnreachableCode();
return false;
}
}
Log_DebugPrintf("Transfer, old_state=%u, new_state=%u, data_in=0x%02X, data_out=0x%02X, ack=%s",
static_cast<u32>(old_state), static_cast<u32>(m_state), data_in, *data_out, ack ? "true" : "false");
return ack;
}
std::unique_ptr<AnalogController> AnalogController::Create(u32 index)
{
return std::make_unique<AnalogController>(index);
}
std::optional<s32> AnalogController::StaticGetAxisCodeByName(std::string_view axis_name)
{
#define AXIS(name) \
if (axis_name == #name) \
{ \
return static_cast<s32>(ZeroExtend32(static_cast<u8>(Axis::name))); \
}
AXIS(LeftX);
AXIS(LeftY);
AXIS(RightX);
AXIS(RightY);
return std::nullopt;
#undef AXIS
}
std::optional<s32> AnalogController::StaticGetButtonCodeByName(std::string_view button_name)
{
#define BUTTON(name) \
if (button_name == #name) \
{ \
return static_cast<s32>(ZeroExtend32(static_cast<u8>(Button::name))); \
}
BUTTON(Select);
BUTTON(L3);
BUTTON(R3);
BUTTON(Start);
BUTTON(Up);
BUTTON(Right);
BUTTON(Down);
BUTTON(Left);
BUTTON(L2);
BUTTON(R2);
BUTTON(L1);
BUTTON(R1);
BUTTON(Triangle);
BUTTON(Circle);
BUTTON(Cross);
BUTTON(Square);
BUTTON(Analog);
return std::nullopt;
#undef BUTTON
}
Controller::AxisList AnalogController::StaticGetAxisNames()
{
return {{TRANSLATABLE("AnalogController", "LeftX"), static_cast<s32>(Axis::LeftX), AxisType::Full},
{TRANSLATABLE("AnalogController", "LeftY"), static_cast<s32>(Axis::LeftY), AxisType::Full},
{TRANSLATABLE("AnalogController", "RightX"), static_cast<s32>(Axis::RightX), AxisType::Full},
{TRANSLATABLE("AnalogController", "RightY"), static_cast<s32>(Axis::RightY), AxisType::Full}};
}
Controller::ButtonList AnalogController::StaticGetButtonNames()
{
return {{TRANSLATABLE("AnalogController", "Up"), static_cast<s32>(Button::Up)},
{TRANSLATABLE("AnalogController", "Down"), static_cast<s32>(Button::Down)},
{TRANSLATABLE("AnalogController", "Left"), static_cast<s32>(Button::Left)},
{TRANSLATABLE("AnalogController", "Right"), static_cast<s32>(Button::Right)},
{TRANSLATABLE("AnalogController", "Select"), static_cast<s32>(Button::Select)},
{TRANSLATABLE("AnalogController", "Start"), static_cast<s32>(Button::Start)},
{TRANSLATABLE("AnalogController", "Triangle"), static_cast<s32>(Button::Triangle)},
{TRANSLATABLE("AnalogController", "Cross"), static_cast<s32>(Button::Cross)},
{TRANSLATABLE("AnalogController", "Circle"), static_cast<s32>(Button::Circle)},
{TRANSLATABLE("AnalogController", "Square"), static_cast<s32>(Button::Square)},
{TRANSLATABLE("AnalogController", "L1"), static_cast<s32>(Button::L1)},
{TRANSLATABLE("AnalogController", "L2"), static_cast<s32>(Button::L2)},
{TRANSLATABLE("AnalogController", "R1"), static_cast<s32>(Button::R1)},
{TRANSLATABLE("AnalogController", "R2"), static_cast<s32>(Button::R2)},
{TRANSLATABLE("AnalogController", "L3"), static_cast<s32>(Button::L3)},
{TRANSLATABLE("AnalogController", "R3"), static_cast<s32>(Button::R3)},
{TRANSLATABLE("AnalogController", "Analog"), static_cast<s32>(Button::Analog)}};
}
u32 AnalogController::StaticGetVibrationMotorCount()
{
return NUM_MOTORS;
}
Controller::SettingList AnalogController::StaticGetSettings()
{
static constexpr std::array<SettingInfo, 4> settings = {
{{SettingInfo::Type::Boolean, "AutoEnableAnalog", TRANSLATABLE("AnalogController", "Enable Analog Mode on Reset"),
TRANSLATABLE("AnalogController", "Automatically enables analog mode when the console is reset/powered on."),
"false"},
{SettingInfo::Type::Boolean, "AnalogDPadInDigitalMode",
TRANSLATABLE("AnalogController", "Use Analog Sticks for D-Pad in Digital Mode"),
TRANSLATABLE("AnalogController",
"Allows you to use the analog sticks to control the d-pad in digital mode, as well as the buttons."),
"false"},
{SettingInfo::Type::Float, "AxisScale", TRANSLATABLE("AnalogController", "Analog Axis Scale"),
TRANSLATABLE(
"AnalogController",
"Sets the analog stick axis scaling factor. A value between 1.30 and 1.40 is recommended when using recent "
"controllers, e.g. DualShock 4, Xbox One Controller."),
"1.00f", "0.01f", "1.50f", "0.01f"},
{SettingInfo::Type::Integer, "VibrationBias", TRANSLATABLE("AnalogController", "Vibration Bias"),
TRANSLATABLE("AnalogController", "Sets the rumble bias value. If rumble in some games is too weak or not "
"functioning, try increasing this value."),
"8", "0", "255", "1"}}};
return SettingList(settings.begin(), settings.end());
}
void AnalogController::LoadSettings(const char* section)
{
Controller::LoadSettings(section);
m_auto_enable_analog = g_host_interface->GetBoolSettingValue(section, "AutoEnableAnalog", false);
m_analog_dpad_in_digital_mode = g_host_interface->GetBoolSettingValue(section, "AnalogDPadInDigitalMode", false);
m_rumble_bias =
static_cast<u8>(std::min<u32>(g_host_interface->GetIntSettingValue(section, "VibrationBias", 8), 255));
}
Reference in a new issue View git blame Copy permalink