Editor event when Apply button is clicked?

Unity Engine
1

I want to run a script every time the Apply button is clicked on a texture importer. Currently, from what I can tell, OnPreprocessTexture() is only called when a setting value has not been previously applied. So if you do the following:

  1. Set Max Size = 256
  2. Apply
  3. OnPreprocessTexture() is called.
  4. Set Max Size = 512
  5. Apply
  6. OnPreprocessTexture is called.
  7. Set Max Size = 256
  8. Apply
  9. OnPreprocessTexture is NOT called.

I’m wondering if there is a way to detect that #8 occurred?

2

Is OnPostprocessTexture called in that scenario? Otherwise, you might be stuck with the global “anything in the project has changed” callback which I can’t remember the exact delegate for this early in the morning.

3

OnPostprocessTexture gets called with the same pattern as OnPreprocessTexture.

4

I’m guessing this was the event you were thinking of? https://docs.unity3d.com/ScriptReference/ObjectChangeEvents.html

5

I think you’re looking for this? https://docs.unity3d.com/ScriptReference/AssetPostprocessor.OnPostprocessTexture.html

This should fire after the texture is saved and everything.

6

The behavior is the same for both OnPreprocessTexture() and OnPostprocessTeture().

7

Okay, what is your goal exactly? (No, detecting the Apply button is not possible and it is not a goal, it is a tool to achieve something, what is this goal? What are you trying to do?)

Maybe we can offer a better way doing it?

8

I want to do tests to check texture format settings (e.g. compression settings) when they are changed in the editor to enforce project standards.