added more checks for valid materials (RJ)
added more checks for valid materials (RJ)
nakijun/vtp,nakijun/vtp,nakijun/vtp,markraz/vtp,nakijun/vtp,markraz/vtp,markraz/vtp,seanisom/vtp,seanisom/vtp,nakijun/vtp,seanisom/vtp,markraz/vtp,markraz/vtp,seanisom/vtp,seanisom/vtp