I am interested in better understanding Non-Player Character (NPC) design in games in order to apply the ideas to social and socio-economic agent-based simulation. I was wondering if there are any object oriented design patterns that are commonly used for the design of NPCs. I am currently using hierarchical finite state machines for defining my agents. As an example one pattern I came across is the actor-role design pattern which seems to be quite useful for my purpose.
Part of my doctoral reseach on NPCs and PCs are presented as game design patterns: Lankoski, 2010, Character-driven game design. https://www.taik.fi/kirjakauppa/images/4463b7dc09f925da01eaf73cbc72eed9.pdf
Patterns are in Appendix 2 (pages 61-74). More detailed analyses are presented on pages 116-155 & 162-181.
Staffan Björk has been extending some of these patterns in Gameplay design patterns 2.0 wiki http://gdp2.tii.se/index.php/Main_Page
I found out that very recently someone has been trying to create a BDI game master agent as a Neverwinter Nights plugin (http://www.slideshare.net/fzambetta/a-bdi-game-master-agent), that should be an interesting initiative. I think BDI agents can make sense in this context, if I remember well there has been also a work on BDI NPCs (http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=4624145&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.jsp%3Farnumber%3D4624145).
Keep us informed about your work, it's an interesting topic!
@ Petri: This is great stuff but originally I was looking for something different. Your dissertation is about design patterns (classifications?) of the characteristics of NPCs. While this is very interesting I was looking for implementation design patterns (usually expressed in UML class diagrams). But your work looks very interesting so that I will read it over the week end :-). Thanks!
Too little coffee it seems before answering is a way to go off. I can't give pointers to software design patterns of NPCs. However, you might find Anja Johansson's dissertation: http://www.diva-portal.org/smash/get/diva2:561201/FULLTEXT01.pdf interesting: She presents a comparison between emotional state maps and decision trees and emotional decision trees.
Hello,
Very interesting work and papers, I did a research using BDI agents and CUDA agents to try to organize a company structure for a particular case would be driving people at risk.
The BDI agents, were like a fireman, had a well-founded notion of the environment knowing the escape routes and CUDA agents were people who sought to escape the catastrophe situation, which could be set fire and flood. The published work that had only shows the framework structuring the beginning is a work that deserves an evolution, applying planning techniques in BDI agents.
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