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Dying Light’s Zombies and HTN Planning in Open Worlds

Alex J. Champandard on June 12, 2015

Building open-world AI that scales from large numbers of simple zombies to more intelligent bosses is an interesting challenge! This interview with Maciej Kurowski from Techland, covers the Hierarchical Task Network behind the game's AI. In particular, how it's connected to the sensory system, the networking of plans, why in-place planning was used, and how traversal works in the world.