snapshot, converted bright metals to match exterior color

materials-src/ttt_terrorcon/metal/galvanized_metal_wall.jpg.license

+Public Domain
+
+File:
+ Galvanized_metal_wall.jpg
+
+Attribution:
+ Titus Tscharntke, Public domain
+ via Wikimedia Commons
+
+URL:
+ https://commons.wikimedia.org/wiki/
+ File:Galvanized_metal_wall.jpg
+
+License:
+ Public domain
+

materials-src/ttt_terrorcon/metal/rivets_5907.jpg.license

+Copyright (C) 2008 Dori
+
+File:
+ Rivets 5907.jpg
+
+Attribution:
+ Dori, CC BY-SA 3.0 US
+ via Wikimedia Commons
+
+URL:
+ https://commons.wikimedia.org/wiki/
+ File:Rivets_5907.jpg
+
+License:
+ Creative Commons Attribution-Share Alike 4.0
+ GNU Free Documentation License, Version 1.2

materials/ttt_terrorcon/metal/galvanized_metal_wall.vmt

+"LightmappedGeneric"
+{
+	"$basetexture" "ttt_terrorcon/metal/galvanized_metal_wall"
+	"$surfaceprop" "Metal"
+}

materials/ttt_terrorcon/metal/galvanized_metal_wall020a.vmt

+"LightmappedGeneric"
+{
+	"$basetexture" "ttt_terrorcon/metal/galvanized_metal_wall020a"
+	"$surfaceprop" "Metal"
+}

materials/ttt_terrorcon/metal/metalwall020z.vmt

+"LightmappedGeneric"
+{
+	"$basetexture" "ttt_terrorcon/metal/metalwall020z"
+	"$surfaceprop" "Metal"
+}