This fully revised update to the first edition provides game developers with the tools and wisdom necessary to create modern game AI engines. It takes programmers from theory to actual game development, with usable code frameworks designed to go beyond merely detailing how a technique might be used. In addition, it surveys the capabilities of the different techniques used in some current AI engines, and covers common pitfalls, design considerations, and optimizations. You'll also find a clean, usable interface for a variety of game AI techniques and hands-on exercised to teach the skills and techniques presented.