EVENT GETMENUTILE
EVENT_GETMENUTILE is Menu Event.
This event is fired when drawing the main menu background, and can be used to set a custom tile for it.
EXAMPLE:
gamevar MENU_TILE <flag> 0 onevent EVENT_GETMENUTILE setvar RETURN <tilenum> endevent
In the onevent code, set the gamevar RETURN to the tile you want the main menu background to be.