diff --git a/gldefs.shinemaps b/gldefs.shinemaps
index e798415b2..b8ddf076c 100644
--- a/gldefs.shinemaps
+++ b/gldefs.shinemaps
@@ -44,5 +44,6 @@ HardwareShader Texture "models/leadmap.png"
 }
 HardwareShader Texture "models/barriermap.png"
 {
-	Shader "shaders/glsl/Shinemap.fp"
+	Shader "shaders/glsl/Shinemap_barrier.fp"
+	Texture "bartex" "models/barrierbar.png"
 }
diff --git a/language.version b/language.version
index d05c36ad1..4707d2600 100644
--- a/language.version
+++ b/language.version
@@ -1,2 +1,2 @@
 [default]
-SWWM_MODVER="\cxSWWM GZ\c- r299 (Thu  4 Jun 15:58:26 CEST 2020)";
+SWWM_MODVER="\cxSWWM GZ\c- r300 (Thu  4 Jun 16:37:11 CEST 2020)";
diff --git a/modeldef.pickups b/modeldef.pickups
index 1d09f17b3..a640d0951 100644
--- a/modeldef.pickups
+++ b/modeldef.pickups
@@ -281,6 +281,7 @@ Model "EBarrierX"
 	SurfaceSkin 0 1 "barriermap.png"
 	Scale 0.05 0.05 0.05
 	ZOffset 16
+	DONTCULLBACKFACES
 
 	FrameIndex XZW1 A 0 0
 }
diff --git a/models/barrierbar.png b/models/barrierbar.png
new file mode 100644
index 000000000..5dbd8f18f
Binary files /dev/null and b/models/barrierbar.png differ
diff --git a/shaders/glsl/Shinemap_barrier.fp b/shaders/glsl/Shinemap_barrier.fp
new file mode 100644
index 000000000..65558931e
--- /dev/null
+++ b/shaders/glsl/Shinemap_barrier.fp
@@ -0,0 +1,9 @@
+vec4 ProcessTexel()
+{
+	vec3 rnorm = normalize(vEyeNormal.xyz)*(1,-1,1);
+	vec4 basemap = getTexel(rnorm.xy*.49+.5);
+	basemap.rgb *= .25;
+	vec3 grad = texture(bartex,vec2(0.,vTexCoord.t*5.+timer)).rgb;
+	grad *= .25;
+	return basemap+vec4(grad,0.);
+}