I thought you might be interested in looking at How to know if unit/object is in forest?.
https://forums.bohemia.net/forums/topic/85867-how-to-know-if-unitobject-is-in-forest/?do=findComment&comment=1451958
× Pasted as rich text. Restore formatting
Only 75 emoji are allowed.
× Your link has been automatically embedded. Display as a link instead
× Your previous content has been restored. Clear editor
× You cannot paste images directly. Upload or insert images from URL.