adds a gauge for total players registered in the save and one for number of current connected players.
To account for the fact that factorio headless auto-pauses the game and stops increasing the tick count when the last player disconnects I've also made the collection run on_player_left_game
adds a gauge for total players registered in the save and one for number of current connected players. To account for the fact that factorio headless auto-pauses the game and stops increasing the tick count when the last player disconnects I've also made the collection run
on_player_left_gameresolves #3