diff --git a/Effects/glass.eff b/Effects/glass.eff
index 9583c4ca8..d4f37995a 100644
--- a/Effects/glass.eff
+++ b/Effects/glass.eff
@@ -36,8 +36,10 @@
 	<gsnorm><use>/environment/aircraft-effects/ground-splash-norm</use></gsnorm>
 	<frost-level><use>/environment/aircraft-effects/frost-level</use></frost-level>
 	<fog-level><use>/environment/aircraft-effects/fog-level</use></fog-level>
+	<use-wipers><use>/environment/aircraft-effects/use-wipers</use></use-wipers>
 	<use-reflection type="int">0</use-reflection>
 	<use-mask type="int">0</use-mask>
+
 </parameters>
 
 <technique n="4">
@@ -76,10 +78,6 @@
       </blend>
       <shade-model><use>shade-model</use></shade-model>
       <cull-face><use>cull-face</use></cull-face>
-	<!--<render-bin>
-		<bin-number>1</bin-number>
-		<bin-name>RenderBin</bin-name>
-	</render-bin>-->
       <rendering-hint><use>rendering-hint</use></rendering-hint>
       <texture-unit>
         <!-- The texture unit is always active because the shaders expect
@@ -239,6 +237,11 @@
 	<type>int</type>
 	<value><use>use-mask</use></value>
       </uniform>
+      <uniform>
+	<name>use_wipers</name>
+	<type>int</type>
+	<value><use>use-wipers</use></value>
+      </uniform>
       <uniform>
         <name>colorMode</name>
         <type>int</type>
diff --git a/Environment/environment.xml b/Environment/environment.xml
index c8f2d5075..a69619331 100644
--- a/Environment/environment.xml
+++ b/Environment/environment.xml
@@ -457,6 +457,7 @@
       <frost-level type="float" userarchive="n">0.0</frost-level>
       <fog-level type="float" userarchive="n">0.0</fog-level>
       <ground-splash-norm type="float" userarchive="n">0.0</ground-splash-norm>
+      <use-wipers type="int" userarchive="n">0</use-wipers>
   </aircraft-effects>
 
 
diff --git a/Shaders/glass-ALS.frag b/Shaders/glass-ALS.frag
index 9af287a35..483ec1701 100644
--- a/Shaders/glass-ALS.frag
+++ b/Shaders/glass-ALS.frag
@@ -27,6 +27,7 @@ uniform float osg_SimulationTime;
 
 uniform int use_reflection;
 uniform int use_mask;
+uniform int use_wipers;
 
 float DotNoise2D(in vec2 coord, in float wavelength, in float fractionalMaxDotSize, in float dot_density);
 float DropletNoise2D(in vec2 coord, in float wavelength, in float fractionalMaxDotSize, in float dot_density);
@@ -43,13 +44,21 @@ texel = texture2D(texture, gl_TexCoord[0].st);
 texel *=gl_Color;
 
 frost_texel = texture2D(frost_texture, vertPos.xy * 7.0);
-func_texel = texture2D(func_texture, gl_TexCoord[0].st
-);
+func_texel = texture2D(func_texture, gl_TexCoord[0].st);
+
 
 float noise_003m = Noise2D(vertPos.xy, 0.03);
 float noise_0003m = Noise2D(vertPos.xy, 0.003);
 
 
+// damage_pattern
+
+if (use_mask == 1)
+	{
+	texel = mix(texel, vec4(light_diffuse.rgb,1.0), func_texel.b);
+	}
+
+
 // frost
 
 float fth = (1.0-frost_level) * 0.4 + 0.3;
@@ -95,7 +104,7 @@ if (rnorm > 0.0)
 	float time_shape = 1.0;
 	float base_rate = 6.0 + 3.0 * rnorm + 4.0 * (splash_speed - 1.0);
 	float base_density = 0.6 * rnorm + 0.4  * (splash_speed -1.0);
-	if (use_mask ==1) {base_density *= (1.0 - 0.5 * func_texel.g);}
+	if ((use_mask ==1)&&(use_wipers==1)) {base_density *= (1.0 - 0.5 * func_texel.g);}
 
 	float time_fact1 = (sin(base_rate*osg_SimulationTime));
 	float time_fact2 = (sin(base_rate*osg_SimulationTime + 1.570));
@@ -117,7 +126,7 @@ if (rnorm > 0.0)
 	// the static pattern of small droplets created by the splashes
 	
 	float sweep = min(1./splash_speed,1.0);
-	if (use_mask ==1) {sweep *= (1.0 - func_texel.g);}
+	if ((use_mask ==1)&&(use_wipers==1)) {sweep *= (1.0 - func_texel.g);}
 	rain_factor += DropletNoise2D(rainPos.xy, 0.02 * droplet_size ,0.5, 0.6* rnorm * sweep);
 	rain_factor += DotNoise2D(rainPos.xy, 0.012 * droplet_size ,0.7, 0.6* rnorm * sweep);
 	}
diff --git a/Shaders/glass-ALS.vert b/Shaders/glass-ALS.vert
index fb3fba500..4ba636c28 100644
--- a/Shaders/glass-ALS.vert
+++ b/Shaders/glass-ALS.vert
@@ -77,7 +77,7 @@ if (earthShade < 0.5)
 
 
 float MieFactor =   dot(normalize(lightFull), normalize(relPos));
-Mie =  smoothstep(0.9,1.0, MieFactor);
+Mie =  smoothstep(0.9,1.0, MieFactor) * earthShade * earthShade;
 
 
 // get a reflection vector for cube map