add blank material files

valve/pbr/models/w_chainammo.mdl/w_chainammo.mdl.mat

@@ -0,0 +1,40 @@
+
+{
+"for" "#models/w_chainammo/a_boxfront.mdl"
+//"basecolor_map" "a_boxfront.png"
+//"normal_map" "a_boxfront_normal.png"
+//"metal_map" "a_boxfront_metal.png"
+//"roughness_map" "a_boxfront_roughness.png"
+}
+
+{
+"for" "#models/w_chainammo/a_boxgreen.mdl"
+//"basecolor_map" "a_boxgreen.png"
+//"normal_map" "a_boxgreen_normal.png"
+//"metal_map" "a_boxgreen_metal.png"
+//"roughness_map" "a_boxgreen_roughness.png"
+}
+
+{
+"for" "#models/w_chainammo/a_boxside.mdl"
+//"basecolor_map" "a_boxside.png"
+//"normal_map" "a_boxside_normal.png"
+//"metal_map" "a_boxside_metal.png"
+//"roughness_map" "a_boxside_roughness.png"
+}
+
+{
+"for" "#models/w_chainammo/a_boxtop.mdl"
+//"basecolor_map" "a_boxtop.png"
+//"normal_map" "a_boxtop_normal.png"
+//"metal_map" "a_boxtop_metal.png"
+//"roughness_map" "a_boxtop_roughness.png"
+}
+
+{
+"for" "#models/w_chainammo/bullets.mdl"
+//"basecolor_map" "bullets.png"
+//"normal_map" "bullets_normal.png"
+//"metal_map" "bullets_metal.png"
+//"roughness_map" "bullets_roughness.png"
+}