add blank material files

valve/pbr/halflife.wad/-[C1A1_GAD]/-[C1A1_GAD].mat

@@ -0,0 +1,48 @@
+
+{
+"for" "C1A1_GAD1"
+//"basecolor_map" "C1A1_GAD1.png"
+//"normal_map" "C1A1_GAD1_normal.png"
+//"metal_map" "C1A1_GAD1_metal.png"
+//"roughness_map" "C1A1_GAD1_roughness.png"
+}
+
+{
+"for" "C1A1_GAD2"
+//"basecolor_map" "C1A1_GAD2.png"
+//"normal_map" "C1A1_GAD2_normal.png"
+//"metal_map" "C1A1_GAD2_metal.png"
+//"roughness_map" "C1A1_GAD2_roughness.png"
+}
+
+{
+"for" "C1A1_GAD3"
+//"basecolor_map" "C1A1_GAD3.png"
+//"normal_map" "C1A1_GAD3_normal.png"
+//"metal_map" "C1A1_GAD3_metal.png"
+//"roughness_map" "C1A1_GAD3_roughness.png"
+}
+
+{
+"for" "C1A1_GAD4"
+//"basecolor_map" "C1A1_GAD4.png"
+//"normal_map" "C1A1_GAD4_normal.png"
+//"metal_map" "C1A1_GAD4_metal.png"
+//"roughness_map" "C1A1_GAD4_roughness.png"
+}
+
+{
+"for" "C1A1_GAD4A"
+//"basecolor_map" "C1A1_GAD4A.png"
+//"normal_map" "C1A1_GAD4A_normal.png"
+//"metal_map" "C1A1_GAD4A_metal.png"
+//"roughness_map" "C1A1_GAD4A_roughness.png"
+}
+
+{
+"for" "C1A1_GGT8"
+//"basecolor_map" "C1A1_GGT8.png"
+//"normal_map" "C1A1_GGT8_normal.png"
+//"metal_map" "C1A1_GGT8_metal.png"
+//"roughness_map" "C1A1_GGT8_roughness.png"
+}