Unity Issue Tracker - [UnityEvent] PropertyField() doesn't display the correct type when using SerializeReference on a polymorphic class

Postponed means that the issue was either a feature request or something that requires major refactoring on our side. Since that makes the issue not actionable in the close future we choose to close it as Postponed and add it on our internal roadmaps and technical debt pages instead.

Postponed

Votes

9

Found in

2019.4

2020.2

2021.1

2021.2

Issue ID

1298773

Regression

No

[UnityEvent] PropertyField() doesn't display the correct type when using SerializeReference on a polymorphic class

IMGUI

-

Dec 11, 2020

How to reproduce:
1. Open the attached "" project
2. Open the "SampleScene" Scene from the Assets > Scenes folder
3. Select the "ScriptHolder" GameObject from the Hierarchy window
4. Open the Inspector window
5. Expand the collapsed fields

Expected results: the type of the 3rd and 4th fields in the Inspector window is "Callback(TestEvent1)
Actual results: the type of the 3rd and 4th fields in the Inspector window is "Callback()

Reproducible with: 2019.4.20f1, 2020.2.3f1, 2021.1.0b5, 2020.2.0a3
Could not test with: 2018.4.31f1 (SerializeReference attribute isn't available)

Notes:
-Putting a breakpoint in the OnInspectorGUI and debugging reveals that the type of the "eventPropert" object is "managedReference<TestEvent1Entry>"

Resolution Note:

As of now we dont support the

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Comments (1)

sindrijo_

Jul 01, 2021 21:00

I'm not sure this is so hard to fix, the GetDummyEvent just has to take into account managedReference when resolving the event-type to instantiate for the 'dummyevent' used in the event inspector.

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