Half-Life-PBR/valve/pbr/cached.wad/cached.mat

{
"for" "CONBACK"
"basecolor_map" "CONBACK.png"
//"normal_map" "CONBACK_normal.png"
//"metal_map" "CONBACK_metal.png"
//"roughness_map" "CONBACK_roughness.png"
}

{
"for" "LOADING"
"basecolor_map" "LOADING.png"
//"normal_map" "LOADING_normal.png"
//"metal_map" "LOADING_metal.png"
//"roughness_map" "LOADING_roughness.png"
}