Using the “Compute Story” Tool (Yes, we need a better name for it.) Ever since its creation, FAtiMA Toolkit has been used to create hundreds of scenarios. The toolkit is designed to facilitate creation of such interactive social scenarios Read more…
FAtiMA, MCTS and Don’t Starve Together During the last year we have been trying to experiment with using a Search Algorithm over the decisions authored by FAtiMA Toolkit. The result is the implementation of MCTS over FAtiMA Toolkit that is Read more…
Exercise and Video Guide FAtiMA-Toolkit is used in Artificial Intelligence in Games course in Instituto Superior Técnico .During a lecture students learned how to use the Authoring Tool by completing a series of exercises. Here is the guide for that Read more…
Meta-Beliefs Question: What if we want more complex action conditions instead of only testing KB beliefs? Let’s say we want an action that is only performed after an specific event has happened, or what if we want a condition where Read more…
World Model To help the authoring process, the author is capable of defining what are the consequences of an agent performing a specific action in the World Model. It is important to note that the effects of actions might be Read more…
Dialogue Manager Dialogue trees are still the most familiar solution for game developers. A dialog tree is a tree of possible choices for the player to make in conversation with an NPC. This is an extremely popular method for NPC-player interaction, allowing Read more…
Decision Making In FAtiMA each agent/Role Play Character has a decision making process of their own. This process is based on rules with logical conditions. It is important to note that while we define what actions its effects are within Read more…
Emotional Appraisal Emotions in FAtiMA are based on the OCC theory of emotions: Cognitive theory of emotions : Emotions develop as a consequence of certain cognitions and interpretations Emotions represent valenced (good or bad) reactions to events/perceptions of the world OCC defines a set of appraisal variables: Main variables Read more…
Internal Structures : Emotional State, Knowledge Base and Autobiographic Memory Just as the Emotional State leads with what emotional state the agent starts with these components deal with the Memory of the agent at the start of the scenario. Knowledge Read more…
Role Play Characters An affective agent created with FAtiMA Toolkit is called a Role-Play Character. This is a component that integrates the functionality of the other libraries. It is also responsible for managing the structures that constitute the internal state Read more…