add blank material files

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

@@ -0,0 +1,32 @@
+
+{
+"for" "C2A5MOUND"
+//"basecolor_map" "C2A5MOUND.png"
+//"normal_map" "C2A5MOUND_normal.png"
+//"metal_map" "C2A5MOUND_metal.png"
+//"roughness_map" "C2A5MOUND_roughness.png"
+}
+
+{
+"for" "C2A5MOUND2"
+//"basecolor_map" "C2A5MOUND2.png"
+//"normal_map" "C2A5MOUND2_normal.png"
+//"metal_map" "C2A5MOUND2_metal.png"
+//"roughness_map" "C2A5MOUND2_roughness.png"
+}
+
+{
+"for" "C2A5MOUND3"
+//"basecolor_map" "C2A5MOUND3.png"
+//"normal_map" "C2A5MOUND3_normal.png"
+//"metal_map" "C2A5MOUND3_metal.png"
+//"roughness_map" "C2A5MOUND3_roughness.png"
+}
+
+{
+"for" "C3A1_SPHINC"
+//"basecolor_map" "C3A1_SPHINC.png"
+//"normal_map" "C3A1_SPHINC_normal.png"
+//"metal_map" "C3A1_SPHINC_metal.png"
+//"roughness_map" "C3A1_SPHINC_roughness.png"
+}