Quote Originally Posted by StalkerZERO View Post
What I would like to know please is how the SDK will relate to the creation of weapon modifications?
Besides having to create the weapon models themselves, sound, and first person animations I presume, will the SDK have features that will effect what I will be able to create in terms weapon features or effects?

That would be very easy.
When you make the models you will define the animations and using them you simple use the code to tell the model what animation 'mode' you want it in at each point.

Valve simple handles the rest.