Going into the Raleigh Regional winner’s bracket game against South Carolina, NC State’s game plan was simple: “dismantle fastballs.” While that may seem like an elementary approach, it worked out well for the Wolfpack. The Gamecocks trotted out Garrett Gainey, a lefty that owns a power fastball. NC State, though, was able to stick to its objective — and Gainey’s fastballs ended up in the tree line near Sullivan Road. NC State’s sluggers got the party started with a trio of homers before smart hitting secured a 6-4 win over South Carolina on Saturday evening at Doak Field. The Wolfpack advance…