minor seraphim shader update

specular reflection now sharper and more stripey. substituted commented out formula with shorter equivalent

effects/mesh.fx

@@ -2857,21 +2857,20 @@ float4 UnitFalloffPS_02( NORMALMAPPED_VERTEX vertex, uniform bool hiDefShadows)
     light = light + ( 1 - light ) * shadowFill;
 
     // Calculate specular highlights of the sun
-    float3 reflection = reflect( sunDirection, normal);
+    float3 reflection = reflect(sunDirection, normal);
     float specularAmount = saturate( dot( reflection, -vertex.viewDirection));
-    float3 phongAdditive = pow( specularAmount, 9) * specular.g * shadow * 0.7;
+    float3 phongAdditive = pow(specularAmount, 15) * (specular.g - 0.5) * shadow * 2.2;
 
     // Calculate environment map reflection
     float reflectivity = saturate(specular.r * 2.5); // Reduce artifacts of texture
     environment *= reflectivity * fallOff.a;
-    float3 phongMultiplicative = light * environment * (1 - (diffuse.a * 0.5) ) * 0.7;
+    // float3 phongMultiplicative = light * environment * (1 - (diffuse.a * 0.5) ) * 0.7;
 
     // Makes reflection more intense depending on the diffuse color. Could be cool, but
     // looks like shit because the diffuse texture is not interpolated for unknown reasons
     // TODO: find out why the diffuse texture is not interpolated
     // float Amount = (diffuse.r + diffuse.g + diffuse.b) / 3;
-    // Amount = pow(Amount * 10, 0.3) * 2;
-    // Amount = 1.0 - (Amount * 0.25);
+    // Amount = 1.0 - pow(Amount, 0.3);
     // phongMultiplicative *= (float3(0.5, 0.7, 0.9) + Amount);
 
     float3 teamColSpec = NdotV * vertex.color.rgb * 2;
@@ -2880,7 +2879,7 @@ float4 UnitFalloffPS_02( NORMALMAPPED_VERTEX vertex, uniform bool hiDefShadows)
 
     // Combine all previous computations
     float3 color = (diffuse.rgb + float3 (0.25,0.35,0.45)) * light * (1 - diffuse.a) * 0.4;
-    color += phongAdditive + phongMultiplicative + (teamColSpec.rgb * diffuse.a) + whiteness;
+    color += phongAdditive + environment + (teamColSpec.rgb * diffuse.a) + whiteness;
 
     // Substitute all the computations on pure glowing parts with the pure brightness texture
     // to get rid of reflections and shadows