True while the overlay host is linked to the game. All other fields are false when it is not.
The main menu, before a save is loaded.
A game menu is open: inventory, map, pause menu and so on.
The overlay's input mode, switched with F10.
Photo mode is on.
A scene that takes control of V, such as a cutscene. The threshold is unverified.
What the game is showing, and whether REDnode is linked to it.