Method rumble

Engine/source/platformWin32/winDirectInput.cpp:522–575

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//------------------------------------------------------------------------------
bool DInputManager::rumble( const char *pDeviceName, F32 x, F32 y )
{
   // Determine the device
   U32 deviceType;
   U32 deviceInst;

   // Find the requested device
   if ( !ActionMap::getDeviceTypeAndInstance(pDeviceName, deviceType, deviceInst) )
   {
      Con::printf("DInputManager::rumble: unknown device: %s", pDeviceName);
      return false;
   }

   // clamp (x, y) to the range of [0 ... 1] each
   x = mClampF(x, 0.f, 1.f);
   y = mClampF(y, 0.f, 1.f);

   //  Easy path for xinput devices.
   if(deviceType == GamepadDeviceType)
   {
      XINPUT_VIBRATION vibration;
      vibration.wLeftMotorSpeed = static_cast<int>(x * 65535);
      vibration.wRightMotorSpeed = static_cast<int>(y * 65535);
      return ( mfnXInputSetState(deviceInst, &vibration) == ERROR_SUCCESS );
   }

   switch ( deviceType )
   {
   case JoystickDeviceType:

      // Find the device and shake it!
      DInputDevice* dptr;
      for ( iterator ptr = begin(); ptr != end(); ptr++ )
      {
         dptr = dynamic_cast<DInputDevice*>( *ptr );
         if ( dptr )
         {
            if (deviceType == dptr->getDeviceType() && deviceInst == dptr->getDeviceID())
            {
               dptr->rumble(x, y);
               return true;
            }
         }
      }

      // We should never get here... something's really messed up
      Con::errorf( "DInputManager::rumbleJoystick - Couldn't find device to rumble! This should never happen!\n" );
      return false;

   default:
      Con::printf("DInputManager::rumble - only supports joystick and xinput/gamepad devices");
      return false;
   }
}

void DInputManager::buildXInputEvent( U32 deviceInst, InputEventType objType, InputObjectInstances objInst, InputActionType action, F32 fValue )
{