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Modelling Human-like Behavior through Reward-based Approach in a First-Person Shooter Game

Makarov, Ilya and Zyuzin, Peter and Polyakov, Pavel and Tokmakov, Mikhail and Gerasimova, Olga and Guschenko-Cheverda, Ivan and Uriev, Maxim (2016): Modelling Human-like Behavior through Reward-based Approach in a First-Person Shooter Game. Published in: CEUR Workshop Proceeding , Vol. 1627, No. Experimental Economics and Machine Learning (25 July 2016): pp. 24-33.

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Abstract

We present two examples of how human-like behavior can be implemented in a model of computer player to improve its characteristics and decision-making patterns in video game. At first, we describe a reinforcement learning model, which helps to choose the best weapon depending on reward values obtained from shooting combat situations.Secondly, we consider an obstacle avoiding path planning adapted to the tactical visibility measure. We describe an implementation of a smoothing path model, which allows the use of penalties (negative rewards) for walking through \bad" tactical positions. We also study algorithms of path nding such as improved I-ARA* search algorithm for dynamic graph by copying human discrete decision-making model of reconsidering goals similar to Page-Rank algorithm. All the approaches demonstrate how human behavior can be modeled in applications with significant perception of intellectual agent actions.

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