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xinput_pad_handler.cpp
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xinput_pad_handler.cpp
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#ifdef _WIN32
#include "xinput_pad_handler.h"
namespace XINPUT_INFO
{
const DWORD GUIDE_BUTTON = 0x0400;
const LPCWSTR LIBRARY_FILENAMES[] = {
L"xinput1_3.dll", // Prioritizing 1_3 because of SCP
L"xinput1_4.dll",
L"xinput9_1_0.dll"
};
} // namespace XINPUT_INFO
xinput_pad_handler::xinput_pad_handler() : PadHandlerBase(pad_handler::xinput)
{
// Unique names for the config files and our pad settings dialog
button_list =
{
{ XInputKeyCodes::A, "A" },
{ XInputKeyCodes::B, "B" },
{ XInputKeyCodes::X, "X" },
{ XInputKeyCodes::Y, "Y" },
{ XInputKeyCodes::Left, "Left" },
{ XInputKeyCodes::Right, "Right" },
{ XInputKeyCodes::Up, "Up" },
{ XInputKeyCodes::Down, "Down" },
{ XInputKeyCodes::LB, "LB" },
{ XInputKeyCodes::RB, "RB" },
{ XInputKeyCodes::Back, "Back" },
{ XInputKeyCodes::Start, "Start" },
{ XInputKeyCodes::LS, "LS" },
{ XInputKeyCodes::RS, "RS" },
{ XInputKeyCodes::Guide, "Guide" },
{ XInputKeyCodes::LT, "LT" },
{ XInputKeyCodes::RT, "RT" },
{ XInputKeyCodes::LSXNeg, "LS X-" },
{ XInputKeyCodes::LSXPos, "LS X+" },
{ XInputKeyCodes::LSYPos, "LS Y+" },
{ XInputKeyCodes::LSYNeg, "LS Y-" },
{ XInputKeyCodes::RSXNeg, "RS X-" },
{ XInputKeyCodes::RSXPos, "RS X+" },
{ XInputKeyCodes::RSYPos, "RS Y+" },
{ XInputKeyCodes::RSYNeg, "RS Y-" }
};
init_configs();
// Define border values
thumb_min = -32768;
thumb_max = 32767;
trigger_min = 0;
trigger_max = 255;
vibration_min = 0;
vibration_max = 65535;
// set capabilities
b_has_config = true;
b_has_rumble = true;
b_has_deadzones = true;
m_name_string = "XInput Pad #";
m_max_devices = XUSER_MAX_COUNT;
m_trigger_threshold = trigger_max / 2;
m_thumb_threshold = thumb_max / 2;
}
xinput_pad_handler::~xinput_pad_handler()
{
if (library)
{
FreeLibrary(library);
library = nullptr;
xinputGetExtended = nullptr;
xinputGetState = nullptr;
xinputSetState = nullptr;
xinputGetBatteryInformation = nullptr;
}
}
void xinput_pad_handler::init_config(pad_config* cfg, const std::string& name)
{
// Set this profile's save location
cfg->cfg_name = name;
// Set default button mapping
cfg->ls_left.def = button_list.at(XInputKeyCodes::LSXNeg);
cfg->ls_down.def = button_list.at(XInputKeyCodes::LSYNeg);
cfg->ls_right.def = button_list.at(XInputKeyCodes::LSXPos);
cfg->ls_up.def = button_list.at(XInputKeyCodes::LSYPos);
cfg->rs_left.def = button_list.at(XInputKeyCodes::RSXNeg);
cfg->rs_down.def = button_list.at(XInputKeyCodes::RSYNeg);
cfg->rs_right.def = button_list.at(XInputKeyCodes::RSXPos);
cfg->rs_up.def = button_list.at(XInputKeyCodes::RSYPos);
cfg->start.def = button_list.at(XInputKeyCodes::Start);
cfg->select.def = button_list.at(XInputKeyCodes::Back);
cfg->ps.def = button_list.at(XInputKeyCodes::Guide);
cfg->square.def = button_list.at(XInputKeyCodes::X);
cfg->cross.def = button_list.at(XInputKeyCodes::A);
cfg->circle.def = button_list.at(XInputKeyCodes::B);
cfg->triangle.def = button_list.at(XInputKeyCodes::Y);
cfg->left.def = button_list.at(XInputKeyCodes::Left);
cfg->down.def = button_list.at(XInputKeyCodes::Down);
cfg->right.def = button_list.at(XInputKeyCodes::Right);
cfg->up.def = button_list.at(XInputKeyCodes::Up);
cfg->r1.def = button_list.at(XInputKeyCodes::RB);
cfg->r2.def = button_list.at(XInputKeyCodes::RT);
cfg->r3.def = button_list.at(XInputKeyCodes::RS);
cfg->l1.def = button_list.at(XInputKeyCodes::LB);
cfg->l2.def = button_list.at(XInputKeyCodes::LT);
cfg->l3.def = button_list.at(XInputKeyCodes::LS);
// Set default misc variables
cfg->lstickdeadzone.def = XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE; // between 0 and 32767
cfg->rstickdeadzone.def = XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE; // between 0 and 32767
cfg->ltriggerthreshold.def = XINPUT_GAMEPAD_TRIGGER_THRESHOLD; // between 0 and 255
cfg->rtriggerthreshold.def = XINPUT_GAMEPAD_TRIGGER_THRESHOLD; // between 0 and 255
cfg->padsquircling.def = 8000;
// apply defaults
cfg->from_default();
}
void xinput_pad_handler::SetPadData(const std::string& padId, u32 largeMotor, u32 smallMotor, s32/* r*/, s32/* g*/, s32/* b*/)
{
int device_number = GetDeviceNumber(padId);
if (device_number < 0)
return;
// The left motor is the low-frequency rumble motor. The right motor is the high-frequency rumble motor.
// The two motors are not the same, and they create different vibration effects.
XINPUT_VIBRATION vibrate;
vibrate.wLeftMotorSpeed = largeMotor; // between 0 to 65535
vibrate.wRightMotorSpeed = smallMotor; // between 0 to 65535
(*xinputSetState)(static_cast<u32>(device_number), &vibrate);
}
int xinput_pad_handler::GetDeviceNumber(const std::string& padId)
{
if (!Init())
return -1;
size_t pos = padId.find(m_name_string);
if (pos == std::string::npos)
return -1;
int device_number = std::stoul(padId.substr(pos + 12)) - 1; // Controllers 1-n in GUI
if (device_number >= XUSER_MAX_COUNT)
return -1;
return device_number;
}
std::unordered_map<u64, u16> xinput_pad_handler::get_button_values(const std::shared_ptr<PadDevice>& device)
{
PadButtonValues values;
auto dev = std::static_pointer_cast<XInputDevice>(device);
if (!dev || dev->state != ERROR_SUCCESS) // the state has to be aquired with update_connection before calling this function
return values;
// Try SCP first, if it fails for that pad then try normal XInput
if (dev->is_scp_device)
{
return get_button_values_scp(dev->state_scp);
}
return get_button_values_base(dev->state_base);
}
xinput_pad_handler::PadButtonValues xinput_pad_handler::get_button_values_base(const XINPUT_STATE& state)
{
PadButtonValues values;
// Triggers
values[XInputKeyCodes::LT] = state.Gamepad.bLeftTrigger;
values[XInputKeyCodes::RT] = state.Gamepad.bRightTrigger;
// Sticks
int lx = state.Gamepad.sThumbLX;
int ly = state.Gamepad.sThumbLY;
int rx = state.Gamepad.sThumbRX;
int ry = state.Gamepad.sThumbRY;
// Left Stick X Axis
values[XInputKeyCodes::LSXNeg] = lx < 0 ? abs(lx) - 1 : 0;
values[XInputKeyCodes::LSXPos] = lx > 0 ? lx : 0;
// Left Stick Y Axis
values[XInputKeyCodes::LSYNeg] = ly < 0 ? abs(ly) - 1 : 0;
values[XInputKeyCodes::LSYPos] = ly > 0 ? ly : 0;
// Right Stick X Axis
values[XInputKeyCodes::RSXNeg] = rx < 0 ? abs(rx) - 1 : 0;
values[XInputKeyCodes::RSXPos] = rx > 0 ? rx : 0;
// Right Stick Y Axis
values[XInputKeyCodes::RSYNeg] = ry < 0 ? abs(ry) - 1 : 0;
values[XInputKeyCodes::RSYPos] = ry > 0 ? ry : 0;
// Buttons
WORD buttons = state.Gamepad.wButtons;
// A, B, X, Y
values[XInputKeyCodes::A] = buttons & XINPUT_GAMEPAD_A ? 255 : 0;
values[XInputKeyCodes::B] = buttons & XINPUT_GAMEPAD_B ? 255 : 0;
values[XInputKeyCodes::X] = buttons & XINPUT_GAMEPAD_X ? 255 : 0;
values[XInputKeyCodes::Y] = buttons & XINPUT_GAMEPAD_Y ? 255 : 0;
// D-Pad
values[XInputKeyCodes::Left] = buttons & XINPUT_GAMEPAD_DPAD_LEFT ? 255 : 0;
values[XInputKeyCodes::Right] = buttons & XINPUT_GAMEPAD_DPAD_RIGHT ? 255 : 0;
values[XInputKeyCodes::Up] = buttons & XINPUT_GAMEPAD_DPAD_UP ? 255 : 0;
values[XInputKeyCodes::Down] = buttons & XINPUT_GAMEPAD_DPAD_DOWN ? 255 : 0;
// LB, RB, LS, RS
values[XInputKeyCodes::LB] = buttons & XINPUT_GAMEPAD_LEFT_SHOULDER ? 255 : 0;
values[XInputKeyCodes::RB] = buttons & XINPUT_GAMEPAD_RIGHT_SHOULDER ? 255 : 0;
values[XInputKeyCodes::LS] = buttons & XINPUT_GAMEPAD_LEFT_THUMB ? 255 : 0;
values[XInputKeyCodes::RS] = buttons & XINPUT_GAMEPAD_RIGHT_THUMB ? 255 : 0;
// Start, Back, Guide
values[XInputKeyCodes::Start] = buttons & XINPUT_GAMEPAD_START ? 255 : 0;
values[XInputKeyCodes::Back] = buttons & XINPUT_GAMEPAD_BACK ? 255 : 0;
values[XInputKeyCodes::Guide] = buttons & XINPUT_INFO::GUIDE_BUTTON ? 255 : 0;
return values;
}
xinput_pad_handler::PadButtonValues xinput_pad_handler::get_button_values_scp(const SCP_EXTN& state)
{
PadButtonValues values;
// Triggers
values[xinput_pad_handler::XInputKeyCodes::LT] = static_cast<u16>(state.SCP_L2 * 255.0f);
values[xinput_pad_handler::XInputKeyCodes::RT] = static_cast<u16>(state.SCP_R2 * 255.0f);
// Sticks
float lx = state.SCP_LX;
float ly = state.SCP_LY;
float rx = state.SCP_RX;
float ry = state.SCP_RY;
// Left Stick X Axis
values[xinput_pad_handler::XInputKeyCodes::LSXNeg] = lx < 0.0f ? static_cast<u16>(lx * -32768.0f) : 0;
values[xinput_pad_handler::XInputKeyCodes::LSXPos] = lx > 0.0f ? static_cast<u16>(lx * 32767.0f) : 0;
// Left Stick Y Axis
values[xinput_pad_handler::XInputKeyCodes::LSYNeg] = ly < 0.0f ? static_cast<u16>(ly * -32768.0f) : 0;
values[xinput_pad_handler::XInputKeyCodes::LSYPos] = ly > 0.0f ? static_cast<u16>(ly * 32767.0f) : 0;
// Right Stick X Axis
values[xinput_pad_handler::XInputKeyCodes::RSXNeg] = rx < 0.0f ? static_cast<u16>(rx * -32768.0f) : 0;
values[xinput_pad_handler::XInputKeyCodes::RSXPos] = rx > 0.0f ? static_cast<u16>(rx * 32767.0f) : 0;
// Right Stick Y Axis
values[xinput_pad_handler::XInputKeyCodes::RSYNeg] = ry < 0.0f ? static_cast<u16>(ry * -32768.0f) : 0;
values[xinput_pad_handler::XInputKeyCodes::RSYPos] = ry > 0.0f ? static_cast<u16>(ry * 32767.0f) : 0;
// A, B, X, Y
values[xinput_pad_handler::XInputKeyCodes::A] = static_cast<u16>(state.SCP_X * 255.0f);
values[xinput_pad_handler::XInputKeyCodes::B] = static_cast<u16>(state.SCP_C * 255.0f);
values[xinput_pad_handler::XInputKeyCodes::X] = static_cast<u16>(state.SCP_S * 255.0f);
values[xinput_pad_handler::XInputKeyCodes::Y] = static_cast<u16>(state.SCP_T * 255.0f);
// D-Pad
values[xinput_pad_handler::XInputKeyCodes::Left] = static_cast<u16>(state.SCP_LEFT * 255.0f);
values[xinput_pad_handler::XInputKeyCodes::Right] = static_cast<u16>(state.SCP_RIGHT * 255.0f);
values[xinput_pad_handler::XInputKeyCodes::Up] = static_cast<u16>(state.SCP_UP * 255.0f);
values[xinput_pad_handler::XInputKeyCodes::Down] = static_cast<u16>(state.SCP_DOWN * 255.0f);
// LB, RB, LS, RS
values[xinput_pad_handler::XInputKeyCodes::LB] = static_cast<u16>(state.SCP_L1 * 255.0f);
values[xinput_pad_handler::XInputKeyCodes::RB] = static_cast<u16>(state.SCP_R1 * 255.0f);
values[xinput_pad_handler::XInputKeyCodes::LS] = static_cast<u16>(state.SCP_L3 * 255.0f);
values[xinput_pad_handler::XInputKeyCodes::RS] = static_cast<u16>(state.SCP_R3 * 255.0f);
// Start, Back, Guide
values[xinput_pad_handler::XInputKeyCodes::Start] = static_cast<u16>(state.SCP_START * 255.0f);
values[xinput_pad_handler::XInputKeyCodes::Back] = static_cast<u16>(state.SCP_SELECT * 255.0f);
values[xinput_pad_handler::XInputKeyCodes::Guide] = static_cast<u16>(state.SCP_PS * 255.0f);
return values;
}
std::array<int, 6> xinput_pad_handler::get_preview_values(std::unordered_map<u64, u16> data)
{
return { data[LT], data[RT], data[LSXPos] - data[LSXNeg], data[LSYPos] - data[LSYNeg], data[RSXPos] - data[RSXNeg], data[RSYPos] - data[RSYNeg] };
}
bool xinput_pad_handler::Init()
{
if (is_init)
return true;
for (auto it : XINPUT_INFO::LIBRARY_FILENAMES)
{
library = LoadLibrary(it);
if (library)
{
xinputGetExtended = reinterpret_cast<PFN_XINPUTGETEXTENDED>(GetProcAddress(library, "XInputGetExtended")); // Optional
xinputGetState = reinterpret_cast<PFN_XINPUTGETSTATE>(GetProcAddress(library, reinterpret_cast<LPCSTR>(100)));
if (!xinputGetState)
xinputGetState = reinterpret_cast<PFN_XINPUTGETSTATE>(GetProcAddress(library, "XInputGetState"));
xinputSetState = reinterpret_cast<PFN_XINPUTSETSTATE>(GetProcAddress(library, "XInputSetState"));
xinputGetBatteryInformation = reinterpret_cast<PFN_XINPUTGETBATTERYINFORMATION>(GetProcAddress(library, "XInputGetBatteryInformation"));
if (xinputGetState && xinputSetState && xinputGetBatteryInformation)
{
is_init = true;
break;
}
FreeLibrary(library);
library = nullptr;
xinputGetExtended = nullptr;
xinputGetState = nullptr;
xinputSetState = nullptr;
xinputGetBatteryInformation = nullptr;
}
}
if (!is_init)
return false;
return true;
}
std::vector<std::string> xinput_pad_handler::ListDevices()
{
std::vector<std::string> xinput_pads_list;
if (!Init())
return xinput_pads_list;
for (DWORD i = 0; i < XUSER_MAX_COUNT; i++)
{
DWORD result = ERROR_NOT_CONNECTED;
// Try SCP first, if it fails for that pad then try normal XInput
if (xinputGetExtended)
{
SCP_EXTN state;
result = xinputGetExtended(i, &state);
}
if (result != ERROR_SUCCESS)
{
XINPUT_STATE state;
result = xinputGetState(i, &state);
}
if (result == ERROR_SUCCESS)
xinput_pads_list.push_back(m_name_string + std::to_string(i + 1)); // Controllers 1-n in GUI
}
return xinput_pads_list;
}
std::shared_ptr<PadDevice> xinput_pad_handler::get_device(const std::string& device)
{
// Convert device string to u32 representing xinput device number
int device_number = GetDeviceNumber(device);
if (device_number < 0)
return nullptr;
std::shared_ptr<XInputDevice> x_device = std::make_shared<XInputDevice>();
x_device->deviceNumber = static_cast<u32>(device_number);
return x_device;
}
bool xinput_pad_handler::get_is_left_trigger(u64 keyCode)
{
return keyCode == XInputKeyCodes::LT;
}
bool xinput_pad_handler::get_is_right_trigger(u64 keyCode)
{
return keyCode == XInputKeyCodes::RT;
}
bool xinput_pad_handler::get_is_left_stick(u64 keyCode)
{
switch (keyCode)
{
case XInputKeyCodes::LSXNeg:
case XInputKeyCodes::LSXPos:
case XInputKeyCodes::LSYPos:
case XInputKeyCodes::LSYNeg:
return true;
default:
return false;
}
}
bool xinput_pad_handler::get_is_right_stick(u64 keyCode)
{
switch (keyCode)
{
case XInputKeyCodes::RSXNeg:
case XInputKeyCodes::RSXPos:
case XInputKeyCodes::RSYPos:
case XInputKeyCodes::RSYNeg:
return true;
default:
return false;
}
}
PadHandlerBase::connection xinput_pad_handler::update_connection(const std::shared_ptr<PadDevice>& device)
{
auto dev = std::static_pointer_cast<XInputDevice>(device);
if (!dev)
return connection::disconnected;
dev->state = ERROR_NOT_CONNECTED;
dev->state_scp = {};
dev->state_base = {};
// Try SCP first, if it fails for that pad then try normal XInput
if (xinputGetExtended)
dev->state = xinputGetExtended(dev->deviceNumber, &dev->state_scp);
dev->is_scp_device = dev->state == ERROR_SUCCESS;
if (!dev->is_scp_device)
dev->state = xinputGetState(dev->deviceNumber, &dev->state_base);
if (dev->state == ERROR_SUCCESS)
return connection::connected;
return connection::disconnected;
}
void xinput_pad_handler::get_extended_info(const std::shared_ptr<PadDevice>& device, const std::shared_ptr<Pad>& pad)
{
auto dev = std::static_pointer_cast<XInputDevice>(device);
if (!dev || !pad)
return;
auto padnum = dev->deviceNumber;
// Receive Battery Info. If device is not on cable, get battery level, else assume full
XINPUT_BATTERY_INFORMATION battery_info;
(*xinputGetBatteryInformation)(padnum, BATTERY_DEVTYPE_GAMEPAD, &battery_info);
pad->m_cable_state = battery_info.BatteryType == BATTERY_TYPE_WIRED ? 1 : 0;
pad->m_battery_level = pad->m_cable_state ? BATTERY_LEVEL_FULL : battery_info.BatteryLevel;
}
void xinput_pad_handler::apply_pad_data(const std::shared_ptr<PadDevice>& device, const std::shared_ptr<Pad>& pad)
{
auto dev = std::static_pointer_cast<XInputDevice>(device);
if (!dev || !pad)
return;
auto padnum = dev->deviceNumber;
auto profile = dev->config;
// The left motor is the low-frequency rumble motor. The right motor is the high-frequency rumble motor.
// The two motors are not the same, and they create different vibration effects. Values range between 0 to 65535.
size_t idx_l = profile->switch_vibration_motors ? 1 : 0;
size_t idx_s = profile->switch_vibration_motors ? 0 : 1;
u16 speed_large = profile->enable_vibration_motor_large ? pad->m_vibrateMotors[idx_l].m_value : static_cast<u16>(vibration_min);
u16 speed_small = profile->enable_vibration_motor_small ? pad->m_vibrateMotors[idx_s].m_value : static_cast<u16>(vibration_min);
dev->newVibrateData |= dev->largeVibrate != speed_large || dev->smallVibrate != speed_small;
dev->largeVibrate = speed_large;
dev->smallVibrate = speed_small;
// XBox One Controller can't handle faster vibration updates than ~10ms. Elite is even worse. So I'll use 20ms to be on the safe side. No lag was noticable.
if (dev->newVibrateData && (std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::high_resolution_clock::now() - dev->last_vibration) > 20ms))
{
XINPUT_VIBRATION vibrate;
vibrate.wLeftMotorSpeed = speed_large * 257;
vibrate.wRightMotorSpeed = speed_small * 257;
if ((*xinputSetState)(padnum, &vibrate) == ERROR_SUCCESS)
{
dev->newVibrateData = false;
dev->last_vibration = std::chrono::high_resolution_clock::now();
}
}
}
#endif