Opticat is an experimental API designed for game development. Currently, it's focusing on text-based role-playing games using LLM(Large Language Model)s, but it may change in the future.
Currently, Opticat is in the proof-of-concept stage. Created to serve as a testbed for trying out various ideas about programming paradigms, it's purely experimental at this point and not suitable for practical purposes.
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The main idea behind the project is to combine key elements of Object-Oriented Programming (OOP) and Functional Programming (FP) using a data-driven approach.
Specifically, it aims to incorporate the extendable behaviours of a concept hierarchy typically shown in OOP design, with the immutability and statelessness of FP.
The Actor class, for example, defines what properties and behaviours a game character should have, similar to
what "Actor Form" in Skyrim's Creation Engine does.
In contrast to Skyrim, however, an Actor instance in our API corresponds to a Form rather than an individual actor.
And since Opticat embraces a data-driven approach, all states of an individual character is represented as an immutable
data structure, ActorData.
This pattern — of having a class representing a form, and a corresponding data structure storing its states — applies to most core concepts in Opticat.
Also, WorldData is the top-level context that holds all in-game data, and every state updating API (e.g. one that
changes a character's attribute) adheres to the ubiquitous signature WorldData => Either<Error, WorldData>.
API documentation can be accessed from this link.
Opticat is an open-source project, available under the MIT License.