update materials

valve/pbr/maps/test_material.bsp/test_material.mat

@@ -0,0 +1,14 @@
+{
+"for" "c1a0_labflre"
+"basecolor_map" "/halflife.wad/!TOXICGRN.png"
+"normal_map" "/halflife.wad/!TOXICGRN_normal_a.png"
+//"basecolor_map" "/colors/white.png"
+//"normal_map" "/debug/debug_circle_normal3.png"
+//"normal_map" "/halflife.wad/!TOXICGRN_normal_g.png"
+//"normal_map" "/halflife.wad/!TOXICGRN_normal_g2.png"
+"normal_scale" "0.5"
+"metalness" "0.5"
+"roughness" "0.3"
+//"metalness" "1"
+//"roughness" "0"
+}