add blank material files

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

@@ -0,0 +1,40 @@
+
+{
+"for" "CLOCK1"
+//"basecolor_map" "CLOCK1.png"
+//"normal_map" "CLOCK1_normal.png"
+//"metal_map" "CLOCK1_metal.png"
+//"roughness_map" "CLOCK1_roughness.png"
+}
+
+{
+"for" "CLOCK2A"
+//"basecolor_map" "CLOCK2A.png"
+//"normal_map" "CLOCK2A_normal.png"
+//"metal_map" "CLOCK2A_metal.png"
+//"roughness_map" "CLOCK2A_roughness.png"
+}
+
+{
+"for" "CLOCK2B"
+//"basecolor_map" "CLOCK2B.png"
+//"normal_map" "CLOCK2B_normal.png"
+//"metal_map" "CLOCK2B_metal.png"
+//"roughness_map" "CLOCK2B_roughness.png"
+}
+
+{
+"for" "CLOCK2C"
+//"basecolor_map" "CLOCK2C.png"
+//"normal_map" "CLOCK2C_normal.png"
+//"metal_map" "CLOCK2C_metal.png"
+//"roughness_map" "CLOCK2C_roughness.png"
+}
+
+{
+"for" "CLOCK3"
+//"basecolor_map" "CLOCK3.png"
+//"normal_map" "CLOCK3_normal.png"
+//"metal_map" "CLOCK3_metal.png"
+//"roughness_map" "CLOCK3_roughness.png"
+}