Ticket #5125: water_contrast.patch

binaries/data/mods/public/shaders/glsl/water_high.fs

@@ -283 +283 @@
     float refVY = clamp(v.y*2.0,0.05,1.0);
 
     // Distort the reflection coords based on waves.
-    reflCoords = (0.5*reflectionCoords.xy - 15.0 * n.zx / refVY) / reflectionCoords.z + 0.5;
+    reflCoords = (0.5*reflectionCoords.xy - 2.5 * n.zx / refVY) / reflectionCoords.z + 0.5;
     vec4 refTex = texture2D(reflectionMap, reflCoords);
+    
+    // increase contrast of object reflections and adjust saturation
+    refTex.rgb = (refTex.rgb - 0.5) * 1.2 + 0.5;
+    refTex.rgb = mix(vec3(dot(refTex.rgb, vec3(0.299, 0.587, 0.114))), refTex.rgb, 0.8);
 
     reflColor = refTex.rgb;
 
-    if (refTex.a < 0.99)
+    if (refTex.a < 1.0)
     {
         // Calculate where we intersect with the skycube.
         Ray myRay = Ray(vec3(worldPos.x/4.0,worldPos.y,worldPos.z/4.0),eye);
@@ -303 +307 @@
     }
 
     // reflMod is used to reduce the intensity of sky reflections, which otherwise are too extreme.
-    reflMod = max(refTex.a, 0.75);
+    reflMod = max(refTex.a, 0.65);
 #else
     reflMod = 0.75;
     reflColor = vec3(0.15, 0.7, 0.82);