Use some realist order of magnitude of light

data/shaders/diffuseenvmap.frag

@@ -42,6 +42,6 @@ void main(void)
     float g = dot(extendednormal, gmat * extendednormal);
     float b = dot(extendednormal, bmat * extendednormal);
 
-    Diff = max(0.25 * vec4(r, g, b, .1), vec4(0.));
+    Diff = 200. * max(0.25 * vec4(r, g, b, .1), vec4(0.));
     Spec = vec4(0.);
 }

data/shaders/sky.frag

@@ -25,5 +25,5 @@ void main(void)
 	vec4 tmp = (InverseViewMatrix * InverseProjectionMatrix * vec4(eyedir, 1.));
 	eyedir = tmp.xyz / tmp.w;
     vec4 color = texture(tex, eyedir);
-    FragColor = vec4(color.xyz, 1.);
+    FragColor = 1200. * vec4(color.xyz, 1.);
 }

data/shaders/sunlightshadow.frag

@@ -120,8 +120,8 @@ void main() {
 	}
 	else
 		factor = 1.;
-	Diff = vec4(factor * NdotL * col, 1.);
-	Spec = vec4(factor * Specular, 1.);
+	Diff = vec4(1200. * factor * NdotL * col, 1.);
+	Spec = vec4(1200. * factor * Specular, 1.);
 	return;
 
 //	float moved = (abs(dx) + abs(dy)) * 0.5;