ACM - Computers in Entertainment

A BDI Game Master Agent for Computer Role-Playing Games

By Bao Luong, John Thangarajah, Fabio Zambetta
Theoretical and Practical Computer Applications in Entertainment, [Vol. 15, No. 1]

DOI: 10.1145/2629700

In this paper we describe an approach for developing an intelligent game master (GM) for computer role-playing games. The role of the GM is to set up the game environment, manage the narrative ow and enforce the game rules whilst keeping the players engaged. Our approach is to use the popular Belief-Desire-Intention (BDI) model of agents to developing a GM. We describe the process for creating such a GM and how we implemented a prototype of it for a scenario in the Neverwinter Nights (NWN) game. We describe the evaluation of our prototype with human participants who played the chosen NWN scenario both with and without the BDI GM. The comparison survey completed by the participants shows that the system with the BDI GM was the clear winner with respect to game replayability, flexibility, objective setting and overall interest; thus, validating our hypothesis that a BDI GM will provide game players with a better gaming experience.

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