shore transition test

files/water/water.cg

@@ -35,8 +35,10 @@ void main_fp
 
     , uniform sampler2D reflectionMap : register(s0)
     , uniform sampler2D refractionMap : register(s1)
-    , uniform sampler2D normalMap : register(s2)
+    , uniform sampler2D depthMap : register(s2)
+    , uniform sampler2D normalMap : register(s3)
     , uniform float time
+    , uniform float far
     , uniform float4 fogParams
     , uniform float4 fogColour
 )
@@ -45,6 +47,9 @@ void main_fp
     float2 screenCoords = iScreenCoords.xy / iScreenCoords.z;
     screenCoords.y = (1-saturate(renderTargetFlipping))+renderTargetFlipping*screenCoords.y;
 
+    float depth1 = tex2D(depthMap, screenCoords).r * far - iDepth;
+    depth1 = saturate(depth1 / 500.f);
+
     float2 uv1 = iUv + time * float2(0.5, 0);
     float2 uv2 = iUv + time * float2(0, 0.5);
     float2 uv3 = iUv + time * float2(-0.5, 0);
@@ -53,12 +58,14 @@ void main_fp
     float4 normal = tex2D(normalMap, uv1) + tex2D(normalMap, uv2) + tex2D(normalMap, uv3) + tex2D(normalMap, uv4);
     normal = normal / 4.f;
     normal = 2*normal - 1;
-    screenCoords += normal.yx * 0.05;
 
-    float4 reflection = tex2D(reflectionMap, screenCoords);
-    float4 refraction = tex2D(refractionMap, screenCoords);
+    float2 screenCoords_reflect = screenCoords + normal.yx * 0.05;
+    float2 screenCoords_refract = screenCoords + normal.yx * 0.1 * depth1;
+
+    float4 reflection = tex2D(reflectionMap, screenCoords_reflect);
+    float4 refraction = tex2D(refractionMap, screenCoords_refract);
 
-    oColor.xyz = lerp(reflection.xyz, refraction.xyz, 1);
+    oColor.xyz = lerp(refraction.xyz, reflection.xyz, depth1);
 
     float fogValue = saturate((iDepth - fogParams.y) * fogParams.w);
     oColor.xyz = lerp(oColor.xyz, fogColour, fogValue);

files/water/water.material

@@ -55,6 +55,7 @@ material Water
                 param_named_auto fogColour fog_colour
                 param_named_auto fogParams fog_params
                 param_named_auto renderTargetFlipping render_target_flipping
+                param_named_auto far far_clip_distance
             }
 
             texture_unit reflectionMap
@@ -68,6 +69,11 @@ material Water
                 tex_address_mode clamp
             }
 
+            texture_unit depthMap
+            {
+                tex_address_mode clamp
+            }
+
             texture_unit normalMap
             {
                 texture WaterNormal2.tga