What is the proper way to make a player model .qc?

[Demonic King]

When I make player models for Gmod, I use the skeleton and .qc from a pre-existing player model that I decompiled. I want to learn how to make a .qc from scratch so that I can port pre rigged models by renaming the bones to match the valve skeleton. This would make it so that I wouldn't need to re-rig the model and would therefore cut down on time.

[Jeff_epic_mopeds]

If that's all you're doing then the QC shouldn't change at all. If the bones aren't named ValveBiped then you'll have to have to make some changes.

Trust me, I've been using this method for every single one of my ports. (mainly because I don't know how to rig)