add blank material files

valve/pbr/halflife.wad/-[TANK]/-[TANK].mat

@@ -0,0 +1,40 @@
+
+{
+"for" "TANKREAR"
+//"basecolor_map" "TANKREAR.png"
+//"normal_map" "TANKREAR_normal.png"
+//"metal_map" "TANKREAR_metal.png"
+//"roughness_map" "TANKREAR_roughness.png"
+}
+
+{
+"for" "TANKSIDE"
+//"basecolor_map" "TANKSIDE.png"
+//"normal_map" "TANKSIDE_normal.png"
+//"metal_map" "TANKSIDE_metal.png"
+//"roughness_map" "TANKSIDE_roughness.png"
+}
+
+{
+"for" "TANKTOP"
+//"basecolor_map" "TANKTOP.png"
+//"normal_map" "TANKTOP_normal.png"
+//"metal_map" "TANKTOP_metal.png"
+//"roughness_map" "TANKTOP_roughness.png"
+}
+
+{
+"for" "TANKTRAK"
+//"basecolor_map" "TANKTRAK.png"
+//"normal_map" "TANKTRAK_normal.png"
+//"metal_map" "TANKTRAK_metal.png"
+//"roughness_map" "TANKTRAK_roughness.png"
+}
+
+{
+"for" "TANKTUR"
+//"basecolor_map" "TANKTUR.png"
+//"normal_map" "TANKTUR_normal.png"
+//"metal_map" "TANKTUR_metal.png"
+//"roughness_map" "TANKTUR_roughness.png"
+}