Summary
currently it's a bit of a nightmare, using time delay to check if a screen is open.
the code used in packmaster could abstract it down in a sane way.
https://github.com/erasels/PackmasterCharacter/blob/5055845e37e4777b131204487e97e8dd1953806a/src/main/java/thePackmaster/actions/HandSelectAction.java#L107
Summary
currently it's a bit of a nightmare, using time delay to check if a screen is open.
the code used in packmaster could abstract it down in a sane way.
https://github.com/erasels/PackmasterCharacter/blob/5055845e37e4777b131204487e97e8dd1953806a/src/main/java/thePackmaster/actions/HandSelectAction.java#L107