void CGamePad::UpdateState()
{
#ifdef ION_CONFIG_WINDOWS
if (pXInputGetState)
{
XINPUT_STATE XInputState;
if (pXInputGetState(0, & XInputState))
return;
LeftTrigger = GamepadTrigger(XInputState.Gamepad.bLeftTrigger);
RightTrigger = GamepadTrigger(XInputState.Gamepad.bRightTrigger);
LeftStick.X = GamepadStick(XInputState.Gamepad.sThumbLX);
LeftStick.Y = GamepadStick(XInputState.Gamepad.sThumbLY);
RightStick.X = GamepadStick(XInputState.Gamepad.sThumbRX);
RightStick.Y = GamepadStick(XInputState.Gamepad.sThumbRY);
ButtonPressed[(int) EGamePadButton::A] = (XInputState.Gamepad.wButtons & XINPUT_GAMEPAD_A) != 0;
ButtonPressed[(int) EGamePadButton::B] = (XInputState.Gamepad.wButtons & XINPUT_GAMEPAD_B) != 0;
ButtonPressed[(int) EGamePadButton::X] = (XInputState.Gamepad.wButtons & XINPUT_GAMEPAD_X) != 0;
ButtonPressed[(int) EGamePadButton::Y] = (XInputState.Gamepad.wButtons & XINPUT_GAMEPAD_Y) != 0;
ButtonPressed[(int) EGamePadButton::LeftShoulder] = (XInputState.Gamepad.wButtons & XINPUT_GAMEPAD_LEFT_SHOULDER) != 0;
ButtonPressed[(int) EGamePadButton::RightShoulder] = (XInputState.Gamepad.wButtons & XINPUT_GAMEPAD_RIGHT_SHOULDER) != 0;
ButtonPressed[(int) EGamePadButton::DPadUp] = (XInputState.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_UP) != 0;
ButtonPressed[(int) EGamePadButton::DPadDown] = (XInputState.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_DOWN) != 0;
ButtonPressed[(int) EGamePadButton::DPadLeft] = (XInputState.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_LEFT) != 0;
ButtonPressed[(int) EGamePadButton::DPadRight] = (XInputState.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_RIGHT) != 0;
ButtonPressed[(int) EGamePadButton::Start] = (XInputState.Gamepad.wButtons & XINPUT_GAMEPAD_START) != 0;
ButtonPressed[(int) EGamePadButton::Back] = (XInputState.Gamepad.wButtons & XINPUT_GAMEPAD_BACK) != 0;
ButtonPressed[(int) EGamePadButton::LeftThumb] = (XInputState.Gamepad.wButtons & XINPUT_GAMEPAD_LEFT_THUMB) != 0;
ButtonPressed[(int) EGamePadButton::RightThumb] = (XInputState.Gamepad.wButtons & XINPUT_GAMEPAD_RIGHT_THUMB) != 0;
}
#endif
}
bool GamepadManager::GetGamepadState(GamepadState* pState)
{
if (pXInputGetState)
{
if((NextTryTime == 0) || (GetTickCount() >= NextTryTime)) // If the device is known to be present or if it's time to try testing for it again...
{
XINPUT_STATE xis;
DWORD dwResult = pXInputGetState(0, &xis); // This function is expensive, including if there is no connected device.
if(dwResult == ERROR_SUCCESS)
{
if (xis.dwPacketNumber != LastPadPacketNo)
{
// State changed.
pState->Buttons = xis.Gamepad.wButtons; // Currently matches Xinput
pState->LT = GamepadTrigger(xis.Gamepad.bLeftTrigger);
pState->RT = GamepadTrigger(xis.Gamepad.bRightTrigger);
pState->LX = GamepadStick(xis.Gamepad.sThumbLX);
pState->LY = GamepadStick(xis.Gamepad.sThumbLY);
pState->RX = GamepadStick(xis.Gamepad.sThumbRX);
pState->RY = GamepadStick(xis.Gamepad.sThumbRY);
LastPadPacketNo = xis.dwPacketNumber;
NextTryTime = 0;
return true;
}
}
else if(dwResult == ERROR_DEVICE_NOT_CONNECTED)
{
// Don't bother wasting time on XInputGetState if one isn't connected, as it's very slow when one isn't connected.
// GetTickCount64 is available with Windows Vista+ and doesn't wrap around.
// GetTickCount wraps around every 49.7 days since the system started, but we don't need absolute time and it's OK
// if we have a false positive which would occur if NextTryTime is set to a value that has wrapped around to zero.
NextTryTime = GetTickCount() + 5000;
}
}
}
return false;
}