chg to use new vtlib projection stuff, hide cursor while navigating, support hiding of vtTerrain members
chg to use new vtlib projection stuff, hide cursor while navigating, support hiding of vtTerrain members

seanisom/vtp,markraz/vtp,nakijun/vtp,nakijun/vtp,nakijun/vtp,seanisom/vtp,markraz/vtp,seanisom/vtp,markraz/vtp,seanisom/vtp,nakijun/vtp,nakijun/vtp,markraz/vtp,markraz/vtp,seanisom/vtp