The Source SDK 2013, which is on GitHub, contains the source codes. What exactly is there? Are there any codes from the engine itself?

Question

C++ / C#

Can I see how visualization works there, what algorithms are used there?

Answer 1

There is a server, there is a client. As can be understood from the description, this is Source 1. The main interest, kmk, is here (implementation of game objects / entities):
https://github.com/ValveSoftware/source-sdk-2013/t...