[Gtkradiant] [Bug 629] New: Bumpmapping: proper tangent vector code

[gtkradiant@zerowing.idsoftware.com]

http://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=629

           Summary: Bumpmapping: proper tangent vector code
           Product: GtkRadiant
           Version: 1.3
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: q3map2
        AssignedTo: ydnar@shaderlab.com
        ReportedBy: ydnar@shaderlab.com


Add the code to calculate and lerp the ST tangent vectors for a given triangle
when mapping the raw lightmap luxels.