hi, im wanting to make a game that has Turn by Turn Stratagy (like TripleA), RTS (like Command & Conquer Generals), vehicals with first and/or third person veiws (including Aircraft, Tanks, and Ships), and is a First Person Shooter. im wanting to be able to change modes mid-game, and be able to go to any paticular unit on the battlefield. ive thought about the game mechanics, things i want to implement, etc., i just dont know of an engine that supports all these different modes.
thanks for any help
edit: any help on how i might make this game is also welcome:)