I like your ideas, and how you go for authenticity. Can you elaborate a bit more on your ideas?
Would sustained fire reduce the cooldown by a lot, but be an ability targeted against 1 particular unit (e.g., like Volley fire)
Would sweeping fire have a similar interface to the Centaur?
Thanks!
Sustained Fire I figured would be a timed ability that ends either when the magazine runs dry, or the time runs out. It'd just be full-auto against whatever runs in front of it, but a smart player would manually re-target the gun to spread the suppression more evenly if necessary. If there's no enemies to shoot, the gun won't be shooting and the timer will just run out. It's similar to how the MG-42's ability functions as far as activation and targeting goes, but instead of damage and penetration it's just non-stop shooting.
Sweeping Fire is a different take on the idea, it continues shooting when there's no target and doesn't require manual targeting, so it's more of an AOE suppression ability. But in that manner it's a lot more of a one-click wonder and I'm not sure I like that as much from a gameplay perspective.
I should clarify that the ability would be for a yet undetermined munitions cost.