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Upgrading the project results in missing system.serializable UnityEvent function

Discussion in '2019.3 Beta' started by Metron, Jan 8, 2020.

  1. Metron

    Metron

    Joined:
    Aug 24, 2009
    Posts:
    1,137
    This is still an issue with the latest 2019.3.03f...

    This does not show up in the inspector:

    Code (CSharp):
    1. public class TextUnityEvent : UnityEvent<string>
    2.     {
    3.     }
    Then in the class itself

    Code (CSharp):
    1. public TextUnityEvent onErrorEvent;

    Neither does this (directly in the behaviour class):
    Code (CSharp):
    1. public UnityEvent<string> OnLoginError;
    It has been several months... what are you doing???
     
    Metron, Jan 8, 2020
    #1

  2. UnityLiudas

    UnityLiudas

    Unity Technologies

    Joined:
    Feb 15, 2018
    Posts:
    1
    Hey Metron,

    After some investigation around these issues, it seems that your described problem is a different bug and the bug that you've originally linked is fixed:
    https://issuetracker.unity3d.com/product/unity/issues/guid/1196591/

    Could you please submit a bug report with a project and some sort of reproduction steps I could follow?

    When reporting a bug, make sure to either provide this forum page link in the bug report description or post the generated case id on this forum page.
     
    UnityLiudas, Jan 9, 2020
    #2
    LeonhardP likes this.

  3. Metron

    Metron

    Joined:
    Aug 24, 2009
    Posts:
    1,137
    Hi,

    @liudas_unity : I submitted a bug:

    (Case 1210355) UnityEvents with parameters do not show in Inspector

    Thanks for looking at this.
     
    Metron, Jan 9, 2020
    #3
    LeonhardP likes this.

  4. Metron

    Metron

    Joined:
    Aug 24, 2009
    Posts:
    1,137
    Ok... so QA came back to me and it seems that the first part can be solved like this:

    Code (CSharp):
    1. [Serializable]
    2. public class TextUnityEvent : UnityEvent<string>
    3. {
    4. }
    The [Serializable] should do the trick.

    For the remaining parts, it should be integrated into 2020.1... Hoping for a backport...
     
    Metron, Jan 10, 2020
    #4

  5. TextusGames

    TextusGames

    Joined:
    Dec 8, 2016
    Posts:
    429
    1. As far as I know that then you create a new class that you want to be shown in editor you must add serializable attribute to it. So that is not a trick this is expected.

    2. Fields of generic type (Like UnityEvent<string>) was never serialized in unity before. They could be serialized in 2020.1 but you will need to add [SerializedReference] attribute on field.
     
    TextusGames, Jan 13, 2020
    #5