Predictive Control for Artificial Intelligence in Computer Games

Authors:
Paweł Wawrzyński;Jarosław Arabas;Paweł Cichosz
Affiliations:
Institute of Control and Computation Engineering,;Institute of Electronic Systems, Warsaw University of Technology, Warsaw, Poland 00-665;Institute of Electronic Systems, Warsaw University of Technology, Warsaw, Poland 00-665
Venue:
ICAISC '08 Proceedings of the 9th international conference on Artificial Intelligence and Soft Computing
Year:
2006

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Abstract

The subject of this paper is artificial intelligence (AI) of non-player characters in computer games, i.e. bots. We develop an idea of game AI based on predictive control. Bot's activity is defined by a currently realized plan. This plan results from an optimization process in which random plans are continuously generated and reselected.We apply our idea to implement a bot for the game Half-Life. Our bot, Randomly Planning Fighter (RPF), defeats the bot earlier designed for Half-Life with the use of behavior-based techniques. The experiments prove that on-line planning can be feasible in rapidly changing environment of modern computer games.