When you run some fool over, your car slows down as if he weighs at least 400 kg. send the arms and legs flying around their joints, the limits of the joints.etc. I want to duplicate his work in pure C++, no cleo bull-poop. Sadly madleg has not been active for 3 months or so, asking him for the source code is a long shot.
So madleg's ragdoll mod looks good, it makes SA more like IV, but it does not work for everyone and we don't have the source to fix it.