diff --git a/valve/pbr/debug/debug.mat b/valve/pbr/debug/debug.mat
index 573e3b5..94834b7 100644
--- a/valve/pbr/debug/debug.mat
+++ b/valve/pbr/debug/debug.mat
@@ -41,10 +41,12 @@
 "roughness_map" "/halflife.wad/-[C2A3_GAR]/c2a3_gar3_roughness.png"
 }
 
-// test_gradients
+// test_gradients (G - gradient, C - Color, R - replacement, D - dither, E - emissive)
 {
 "for" "DEBUG_G_R"
-"basecolor_map" "debug_gradient.png"
+//"basecolor_map" "debug_gradient.png"
+//"basecolor_map" "debug_gradient_white_alpha.png"
+"basecolor_map" "debug_gradient_black_alpha.png"
 }
 {
 "for" "DEBUG_G_R_E"
diff --git a/valve/pbr/debug/debug_gradient.png b/valve/pbr/debug/debug_gradient.png
index be519f8..94c0af9 100644
--- a/valve/pbr/debug/debug_gradient.png
+++ b/valve/pbr/debug/debug_gradient.png
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:625b5cf97519de280d5d5ad1479c7543bcd2fcd7d1d0fc0c3dd91a528c259622
-size 258
+oid sha256:1559a7e958f9c0bba52e3357ce8ac4d88ac5faeae50b838c54516b3d7f98dc3b
+size 243
diff --git a/valve/pbr/debug/debug_gradient_black_alpha.png b/valve/pbr/debug/debug_gradient_black_alpha.png
new file mode 100644
index 0000000..53bc715
--- /dev/null
+++ b/valve/pbr/debug/debug_gradient_black_alpha.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cf906c316d3ef10effd3bf148600c1308e658e852c144ed5fa4846ffaf5696d8
+size 253
diff --git a/valve/pbr/debug/debug_gradient_color.png b/valve/pbr/debug/debug_gradient_color.png
index 580cf56..ab7d7b4 100644
--- a/valve/pbr/debug/debug_gradient_color.png
+++ b/valve/pbr/debug/debug_gradient_color.png
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:b9fa4778cd4cd61764ef79f638a10294be388218ba9d1ae1197d1ab67a010aa6
-size 323
+oid sha256:1c79c9807f021862569a6443a51114dabc4725bae0e4ec1ed461b1fa212a7476
+size 308
diff --git a/valve/pbr/debug/debug_gradient_color_dither.png b/valve/pbr/debug/debug_gradient_color_dither.png
index f5441a9..64e31be 100644
--- a/valve/pbr/debug/debug_gradient_color_dither.png
+++ b/valve/pbr/debug/debug_gradient_color_dither.png
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:8a43c89aae9eeacb21d30c2d9e6d07dce0984f5a20f8afe4bd9801d78b0f7252
-size 5072
+oid sha256:84285649d0b4d03b7b37678a8dbb38670fdea9da1ca565eb95a3487d18af6cf3
+size 5057
diff --git a/valve/pbr/debug/debug_gradient_dither.png b/valve/pbr/debug/debug_gradient_dither.png
index de31185..e60179b 100644
--- a/valve/pbr/debug/debug_gradient_dither.png
+++ b/valve/pbr/debug/debug_gradient_dither.png
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:20a9c64ccea1a5e940eabcfbb9a6bb39420514c36f0be05e184f321290788d9c
-size 10458
+oid sha256:12528d5bc2eb4a85210091c371fde566e379fccb9aef32c9085b7f71840ef27a
+size 10443
diff --git a/valve/pbr/debug/debug_gradient_white_alpha.png b/valve/pbr/debug/debug_gradient_white_alpha.png
new file mode 100644
index 0000000..d2c191a
--- /dev/null
+++ b/valve/pbr/debug/debug_gradient_white_alpha.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3a02a78d2d696c17b10afa7206187b794269bbc1a53871225090a6245429d696
+size 257
diff --git a/valve/pbr/maps/c1a3.bsp/c1a3.bsp.mat b/valve/pbr/maps/c1a3.bsp/c1a3.bsp.mat
new file mode 100644
index 0000000..19f407e
--- /dev/null
+++ b/valve/pbr/maps/c1a3.bsp/c1a3.bsp.mat
@@ -0,0 +1,10 @@
+{
+"for" "generic028"
+"metalness" "1"
+"roughness" "0.1"
+}
+{
+"for" "silo2_cor2"
+"metalness" "1"
+"roughness" "0.7"
+}
diff --git a/valve/pbr/maps/c1a3c.bsp/c1a3c.bsp.mat b/valve/pbr/maps/c1a3c.bsp/c1a3c.bsp.mat
new file mode 100644
index 0000000..0bd6c6d
--- /dev/null
+++ b/valve/pbr/maps/c1a3c.bsp/c1a3c.bsp.mat
@@ -0,0 +1,20 @@
+{
+"for" "generic028"
+"metalness" "1"
+"roughness" "0.1"
+}
+{
+"for" "-0silo2_cor2"
+"metalness" "1"
+"roughness" "0.4"
+}
+{
+"for" "-1silo2_cor2"
+"metalness" "1"
+"roughness" "0.4"
+}
+{
+"for" "-2silo2_cor2"
+"metalness" "1"
+"roughness" "0.4"
+}
diff --git a/valve/pbr/models/w_battery.mdl/batside_emissive2.png b/valve/pbr/models/w_battery.mdl/batside_emissive2.png
index 7f14e84..5f2cd41 100644
--- a/valve/pbr/models/w_battery.mdl/batside_emissive2.png
+++ b/valve/pbr/models/w_battery.mdl/batside_emissive2.png
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:9cbc3a56f13fc21b4335cc1e7fa3c4dcd1c569c5df3a745784fdb0292661632e
-size 277
+oid sha256:57941fccb47b86132bdd88391609fae8df27ee6fad179666d314199f38e92ff8
+size 12901
diff --git a/valve/pbr/models/w_battery.mdl/batside_emissive_test_white.png b/valve/pbr/models/w_battery.mdl/batside_emissive_test_white.png
new file mode 100644
index 0000000..7f14e84
--- /dev/null
+++ b/valve/pbr/models/w_battery.mdl/batside_emissive_test_white.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9cbc3a56f13fc21b4335cc1e7fa3c4dcd1c569c5df3a745784fdb0292661632e
+size 277
diff --git a/valve/pbr/models/w_battery.mdl/w_battery.mdl.mat b/valve/pbr/models/w_battery.mdl/w_battery.mdl.mat
index 3d86aa2..3a1fb94 100644
--- a/valve/pbr/models/w_battery.mdl/w_battery.mdl.mat
+++ b/valve/pbr/models/w_battery.mdl/w_battery.mdl.mat
@@ -23,6 +23,7 @@
 //"roughness_map" "batside_roughness.png"
 "emissive_map" "batside_emissive.png"
 //"emissive_map" "batside_emissive2.png"
+//"emissive_map" "batside_emissive_test_white.png"
 "emissive" "5 5 5"
 }