The NFL scouing combine is underway and lasts until early next week in Indianapolis. Let's take a look at what the San Francisco 49ers' front office staff, coaches and scouts will be doing as they watch drills and interview prospects in preparation for the May 8-10 draft.First-round pick: No. 30.Total picks: The 49ers have 11 picks, but are expected to get either a third or fourth-round compensatory pick. They are usually allotted in Mach.Top needs: The 49ers want to add a play-making receiver to deepen the team's aerial weaponry.