void CL_MouseMove( usercmd_t *cmd ) {
   float   mx, my;
   float   accelSensitivity;
   float   rate;

   // allow mouse smoothing
   if ( m_filter->integer ) {
      mx = ( cl.mouseDx[0] + cl.mouseDx[1] ) * 0.5;
      my = ( cl.mouseDy[0] + cl.mouseDy[1] ) * 0.5;
   } else {
      mx = cl.mouseDx[cl.mouseIndex];
      my = cl.mouseDy[cl.mouseIndex];
   }
   cl.mouseIndex ^= 1;
   cl.mouseDx[cl.mouseIndex] = 0;
   cl.mouseDy[cl.mouseIndex] = 0;

   rate = sqrt( mx * mx + my * my ) / (float)frame_msec;
   accelSensitivity = cl_sensitivity->value + rate * cl_mouseAccel->value;

   // scale by FOV
   accelSensitivity *= cl.cgameSensitivity;

   if ( rate && cl_showMouseRate->integer ) {
      Com_Printf( "%f : %f\n", rate, accelSensitivity );
   }

   mx *= accelSensitivity;
   my *= accelSensitivity;

   if (!mx && !my) {
      return;
   }

   // add mouse X/Y movement to cmd
   if ( in_strafe.active ) {
      cmd->rightmove = ClampChar( cmd->rightmove + m_side->value * mx );
   } else {
      cl.viewangles[YAW] -= m_yaw->value * mx;
   }

   if ( (in_mlooking || cl_freelook->integer) && !in_strafe.active ) {
      cl.viewangles[PITCH] += m_pitch->value * my;
   } else {
      cmd->forwardmove = ClampChar( cmd->forwardmove - m_forward->value * my );
   }
}