https://v.idtech.space/videos/watch/722539c5-2ead-43d1-8d3a-dc6065f75526 In this classic GDC 2012 session, programmer Elan Ruskin shows a simple, uniform mechanism made for the Left 4 Dead series for tracking thousands of facts and possibilities, allowing intelligent characters to remember history, cascade from special to general cases, and select the optimal dialog, script, behavior, or animation for every situation. Register for GDC: http://ubm.io/2gk5KTU Join the GDC mailing list: http://www.gdconf.com/subscribe Follow GDC on Twitter: https://twitter.com/Official_GDC GDC talks cover a range of developmental topics including game design, programming, audio, visual arts, business management, production, online games, and much more. We post a fresh GDC video every day. Subscribe to the channel to stay on top of regular updates, and check out GDC Vault for thousands of more in-depth talks from our archives. Wed, 04 Nov 2026 10:30:15 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://v.idtech.space https://v.idtech.space/lazy-static/avatars/4047fbcc-c7dd-4827-ac50-29fce9a79720.png https://v.idtech.space/videos/watch/722539c5-2ead-43d1-8d3a-dc6065f75526 All rights reserved, unless otherwise specified in the terms specified at https://v.idtech.space/about and potential licenses granted by each content's rightholder.