I’m not a modder / programmer / or in any way able to modify or improve BMS but this . . . Perhaps could be useful to those who do?
https://filmyone.com/google-opens-maps-data-to-all-game-devs-which-could-lead-to-pokemon-go-rivals/
Google is opening up its Google Maps Platform to everyone so developers can incorporate Maps data into their games, the company announced on Monday. Its tools let developers use Maps data to build games