Your father sounds like he has a suit of protective armour on him. He's happy as a pig in shet but is trying to be cool about it. Don't take it to heart.
He sounds like he could be a little insecure. Just give him a great big hug out of nowhere and make him understand that he's very proud of you.
My step-dad, my Pop is the same way. Very little gushy emotional stuff coming from him. Always sarcasm. So, difiantly, I use to go out of my way to keep giving him hugs or demand them from him.
Yeah-demand. "Pop! Give me a HUG!!!!!" and he would.
It didn't make him any less sarcastic but I got my needs met and I think he secretly liked my forced hugs.
Don't let your Dad get away with that crap. Take the bull by the horns. Hug him and say "You're proud of me, aren't you, Dad?"
What the heck? Better then you feeling like poo.