Send NOTIFICATION_POSTINITIALIZE to extension classes #1321
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Fixes #1269
This turned out to be a little messier to implement than I had imagined, because in godot-cpp it's
Wrapped::_postinitialize()
(rather than in Godot where it'sObject::_postinitialize()
) so it's got to cast theWrapped *
toObject *
to send the notification. It's probably safe to assume that allWrapped *
are in fact descended fromObject *
, but I did adynamic_cast<Object *>()
just to be sure.This PR includes tests that fail without the fix, and then succeed with it.