Odin property drawer hides serialized fields on IList implementation.

[Ernest Suryś]

What happened?
I created a class that I want to derive from and serialize in Unity:
Container<T> : IList<T>, IReadOnlyList<T> where T : Component
it has the following serialized fields:

[SerializeField]
private T itemPrefab;

[SerializeField]
protected Transform transform;

[SerializeField]
protected List<T> items = new List<T>();

The default property drawer shows all of them and I can modify the object without a problem.

When I enable Odin in inspector the property drawer now only displays a list collection. I can’t modify itemPrefab or transform fields.

How can we reproduce it?

I attached the Container script, create a new class that derives from it and inspect its property drawer.

What version of Unity are you using?

2019.4.34f1

What version of Odin are you using? (See "Tools > Odin Inspector > About")

3.0.12.0

Do you have Editor Only mode enabled?

Yes

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[Frederik Taganov]

I got kind of the same problem.

I have List<Extended Class Type> and the element the listitem actually is protected in the base class.

This also caused the list, when elements are added, to only show with a height of like 5px and no content (except for the delete X button)

The workaround for the issue is to make the element the list contains from the base class not protected but public.

A fix would be of course to manage that protected stuff is handeled properly.

‌

Here some simplified code of my classes and stuff:

public List<GeneratorSlot> GeneratorSlots;

[Serializable]
public class GeneratorSlot : EquipmentSlot {
  private GeneratorSlot() : base("Generators") { }
}

[Serializable]
public class EquipmentSlot {
  [ValueDropdown("GetEquipmentByType", ExcludeExistingValuesInList = false)]
  [InlineProperty]
  [LabelText("Equipment Slot")]
  [PropertyOrder(2)]
  protected EquipmentData EquipmentData; // This should be public to make the list display properly
}

‌