Modern windscreens are designed to protect (unrestrained) occupants of the vehicle.
Under California law, the motorist would have been guilty of an infraction, for violating your right-of-way. In court, point out to the judge that "right hooks" cause more than 10 percent of all cyclist-motorist collisions:
http://www.johnforester.com/Articles/Safety/Cross01.htm
(The percentage is much higher if you count only motorist-at-fault collisions.)