Will-O-Wisp not exposed to scripting anymore

[Ordoviz]

SuperTux version: since d5a5b62 (found with git bisect)

Expected behavior

Will-O-Wisps are scriptable.

Actual behavior

Error running script: Squirrel error: Couldn't start script (the index 'willy' does not exist)
[SCRIPTING] AN ERROR HAS OCCURRED [the index 'willy' does not exist]

Steps to reproduce actual behavior

Place a Will'O'Wisp and call it willy. Open the console and type sector.willy.

[tobbi]

Do you have any idea as to why me exposing badguy class to scripting would cause something like this?

[Ordoviz]

Maybe because the Will o’ Wisp had its own scripting interface and, being a badguy, inherited another interface, which interferes somehow.

[Semphriss]

Related: I'm currently encountering the exact same bug with rain particles, which I attempt to expose to its own template of ExposedObject while it inherits ParticleSystem, which has its own template of ExposedObject.

Also related: the Dispenser is in the same situation. I wanted to test it, but I couldn't find the dispenser from the editor toolbox.

I will look into this and report any progress/solution I can find about this problem.