[ScriptableObjects] Resolve corrupt ability data after playmode exit
Solution
Unity 2021.x - Unity 6.3.x
Published Sat, Mar 7
Implementing a polymorphic ability system where diverse effect-specific abilities derived from a common ScriptableObject base class must execute uniformly. Each ability type defines unique properties and execution logic, necessitating an optimized, flexible architecture for managing disparate behaviors from a shared interface.
A polymorphic ability system is implemented by creating a base Ability class that inherits from ScriptableObject. This architecture allows for unique logic per ability while maintaining a unified interface. Common properties such as abilityName and cooldown are defined alongside an abstract Activate(GameObject parent) method.
- Define an abstract Activate method in your base
Abilityscript to handle execution logic. - Create concrete classes like
FireballAbilitythat override Activate to define specific behaviors. - Use
CreateAssetMenuto generate unique ability assets in the Project window. - Attach
your ability userto aGameObjectto reference and trigger these assets via a collection.
This design ensures decoupled logic, flexible Inspector configuration, and memory efficiency. Performance is primarily dictated by specific operations within Activate implementations.
Additional Tips
- Use interfaces if shared logic is required across non-
ScriptableObjecttypes. - Store runtime data such as current cooldown timers in a separate
MonoBehaviourto keepScriptableObjectassets immutable.
TL;DR
Implement a flexible ability system using abstract ScriptableObject assets for diverse effects and your controller script component to manage and Activate abilities.
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Content inspired by a Unity discussion post.