71ad9a48_apping_Tutorials_and_Resources__Description
[Title] Coding NPCs in GoldSrc [Author] dexter [Description] 
Coding NPCs is a step not many modders do, though it's a very easy process. This tutorial progressively goes further and further into detail, explaining the Task and Schedule systems, and think and touch functions.
TWHL: Half-Life/2 Mapping Tutorials and Resources
Description