<?xml version="1.0" encoding="utf-8"?>
<CustomShader version="3">
<Parameters>
<Parameter name="bumpSpeedScale" target="bumpSpeedScale" type="float3" />
<Parameter name="underwaterFogColor" target="underwaterFogColor" type="float3" />
</Parameters>
<LodLevel startDistance="0" alphaForceMode="use">
<CodeInjections>
<CodeInjection position="NUM_TEXCOORDS">
<![CDATA[
#if !defined(DEPTH_VIS) && !defined(DEPTH_BLEND_MAP_RENDERING) && (defined(REFLECTION_MAP_2D) || defined(REFLECTION_MAP_CUBE)) && defined(NORMAL_MAP)
#define WATER_RENDERING
#endif
]]>
</CodeInjection>
<CodeInjection position="MATERIALINFO">
<![CDATA[
#if defined(WATER_RENDERING)
uniform float4 bumpSpeedScale;
uniform float4 underwaterFogColor;
#endif
]]>
</CodeInjection>
<CodeInjection position="VS_OUTPUT">
<![CDATA[
#if defined(WATER_RENDERING)
float2 normalMapTexCoord0 : TEXCOORDn;
float2 normalMapTexCoord1 : TEXCOORDn;
float2 normalMapTexCoord2 : TEXCOORDn;
#endif
]]>
</CodeInjection>
<CodeInjection position="POST_SET_TEXCOORDS_VS">
<![CDATA[
#if defined(WATER_RENDERING)
float textureScale = bumpSpeedScale.z;
float2 bumpSpeed = bumpSpeedScale.xy*textureScale;
float2 translation=float2(cTime_s*bumpSpeed.x, 0);
float2 translation2=float2(translation.x, cTime_s*bumpSpeed.y);
float2 texCoords=In.position.xz*textureScale;
Out.normalMapTexCoord0 = texCoords.xy+translation;
Out.normalMapTexCoord1 = texCoords.xy*2.0+translation*4.0;
Out.normalMapTexCoord2 = texCoords.xy*4.0-translation2;
#endif
]]>
</CodeInjection>
<CodeInjection position="POST_ALBEDO_FS">
<![CDATA[
#if defined(WATER_RENDERING)
albedo = float4(0, 0, 0, 1);
#endif
]]>
</CodeInjection>
<CodeInjection position="FINAL_POS_FS">
<![CDATA[
#if defined(WATER_RENDERING)
oColor.w = 0.8;
#endif
]]>
</CodeInjection>
<CodeInjection position="GET_UNNORMALIZED_TANGENT_SPACE_NORMAL_FS">
<![CDATA[
#if defined(WATER_RENDERING)
// sum normal maps
// sample from 3 different points so no texture repetition is noticeable
float3 t0 = tex2D(normalMap, In.vs.normalMapTexCoord0).xyz;
float3 t1 = tex2D(normalMap, In.vs.normalMapTexCoord1).xyz;
float3 t2 = tex2D(normalMap, In.vs.normalMapTexCoord2).xyz;
return t0 + t1 + t2 - 1.5;
#endif
]]>
</CodeInjection>
<CodeInjection position="GET_REFLECTION_COLOR_FS">
<![CDATA[
#if defined(WATER_RENDERING)
float envScale = 0;
#if (NUM_DIRECTIONAL_LIGHTS > 0)
envScale = bufferFetch(clusterLightsBuffer, 1).y*1.2;
#endif
float3 finalCoord = reflect(-viewDir.xyz, normal.xyz*float3(0.4,0.4,1));
finalCoord = finalCoord.xzy * float3(1,1,-1);
res = texCUBE(reflectionMap, finalCoord).xyz;
res = lerp(underwaterFogColor.xyz, reflectionFactor, res*envScale );
#endif
]]>
</CodeInjection>
</CodeInjections>
</LodLevel>
</CustomShader>
