Game state bug: Invalid access to property or key 'lights_on' on a base object of type 'Nil'

[manuq]

Threadbare version

main

Affected scene

Any with a ArtificialLightBehavior. For instance:
res://scenes/game_elements/components/custom_hookable_objects_test.tscn

Description

Way to reproduce it:

• In the editor, go to menu Project -> Open User Data Folder
• Remove, if it exists, saved_game.tres (warning, you'll lose your progress)
• Then try to run a scene with lights, for instance: res://scenes/game_elements/components/custom_hookable_objects_test.tscn

The game crashes, the following error is reported in ArtificialLightBehavior _ready() method:

E 0:00:00:793   ArtificialLightBehavior._ready: Invalid access to property or key 'lights_on' on a base object of type 'Nil'.
  <GDScript Fuente>artificial_light_behavior.gd:51 @ ArtificialLightBehavior._ready()
  <Rastreo de Pila>artificial_light_behavior.gd:51 @ _ready()

Thanks @jgbourque for reporting it.

Checklist

• I've reviewed and agree to follow the code of conduct

[manuq]

This is because when running the scene in isolation, the GameState.scene is null. This can be seen in the Remote dock: