Better Prop Damage

I am currently writing a Prop Damage script that will hopefully be better than the ones on, but I can’t figure out how to make props take damage from falling, banging into each other, etc. Help?

(User was banned for this post ("Wrong section" - Gran PC))

(User was banned for this post ("Wrong section again" - Gran PC))

Velocity change probably the best choice. There is no global collisions hook ATM.