Godot Composition & Architecture (Apps & UI)

This skill enforces the Single Responsibility Principle within Godot's Node system. Whether building an RPG or a SaaS Dashboard, the rule remains: One Script = One Job.

The Core Philosophy

The Litmus Test

Before writing a script, ask: "If I attached this script to a literal rock, would it still function?"

• Pass: An AuthComponent on a rock allows the rock to log in. (Context Agnostic)
• Fail: A LoginForm script on a rock tries to grab text fields the rock doesn't have. (Coupled)

The Backpack Model (Has-A > Is-A)

Stop extending base classes to add functionality. Treat the Root Node as an empty Backpack.

• Wrong (Inheritance): SubmitButton extends AnimatedButton extends BaseButton.
• Right (Composition): SubmitButton (Root) HAS-A AnimationComponent and HAS-A NetworkRequestComponent.

The Hierarchy of Power (Communication Rules)

Strictly enforce this communication flow to prevent "Spaghetti Code":