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FBast edited this page Oct 19, 2019 · 45 revisions

Unity based Framework

This framework only work with Unity and is currently tested on the last 2019 version.

When to use an Utility AI ?

While utility-based systems can be used in many types of games, they are more appropriate in situations where there are a large number of potentially competing actions the AI can take—often with no obvious “right answer.” In those times, the mathematical approach that utility-based systems employ is necessary to ferret out what the most reasonable action to take is. Aside from The Sims, other common areas where utility-based systems are appropriate are in RPGs, RTS, and simulations.

Source : http://intrinsicalgorithm.com/IAonAI/2012/11/ai-architectures-a-culinary-guide-gdmag-article/

How to start using xNodeUtilityAI

  • Firstly, download the last release and import it into your Unity Project.
  • Create a script MyAIComponent inheriting from AbstractAIComponent and add it to your GameObject.
  • Create scripts inheriting from SimpleEntryNode, DataEntryNode or CollectionEntryNode as data entries.
  • Create scripts inheriting from SimpleActionNode or DataActionNode as actions.
  • Create a UtilityAIBrain using Unity contextual menu in your Project view.
  • Add your custom nodes on the Node graph with an UtilityNode and an OptionNode
  • Play unity and click on the AI in the scene using the Tool > AI Debugger to observe the brain activity.
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