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add water caustics and sunlight absorbtion to translucent stuff when underwater. small NdotL tweak for translucent rendering

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Xonk
2025-03-17 22:40:55 -04:00
parent 7581c510b9
commit 1465baede1
1 changed files with 8 additions and 6 deletions
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14
shaders/dimensions/all_translucent.fsh
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@ -568,12 +568,15 @@ if (gl_FragCoord.x * texelSize.x < 1.0 && gl_FragCoord.y * texelSize.y < 1.0 )
#ifdef OVERWORLD_SHADER
vec3 DirectLightColor = lightCol.rgb/2400.0;
if(isEyeInWater == 1){
float distanceFromWaterSurface = max(-(feetPlayerPos.y + (cameraPosition.y - waterEnteredAltitude)),0.0) ;
DirectLightColor *= exp(-vec3(Water_Absorb_R, Water_Absorb_G, Water_Absorb_B) * distanceFromWaterSurface);
if(!isWater && isEyeInWater == 1){
float distanceFromWaterSurface = cameraPosition.y - waterEnteredAltitude;
float waterdepth = max(-(feetPlayerPos.y + distanceFromWaterSurface),0.0);
DirectLightColor *= exp(-vec3(Water_Absorb_R, Water_Absorb_G, Water_Absorb_B) * (waterdepth/abs(WsunVec.y)));
DirectLightColor *= pow(waterCaustics(feetPlayerPos + cameraPosition, WsunVec)*WATER_CAUSTICS_BRIGHTNESS, WATER_CAUSTICS_POWER);
}
float NdotL = clamp(dot(normal, normalize(WsunVec*mat3(gbufferModelViewInverse))),0.0,1.0); NdotL = clamp((-15 + NdotL*255.0) / 240.0 ,0.0,1.0);
float NdotL = clamp((-15 + dot(normal, normalize(WsunVec*mat3(gbufferModelViewInverse)))*255.0) / 240.0 ,0.0,1.0);
float Shadows = 1.0;
float shadowMapFalloff = smoothstep(0.0, 1.0, min(max(1.0 - length(feetPlayerPos) / (shadowDistance+16),0.0)*5.0,1.0));
@ -686,7 +689,6 @@ if (gl_FragCoord.x * texelSize.x < 1.0 && gl_FragCoord.y * texelSize.y < 1.0 )
float f0 = isReflective ? max(specularValues.g, harcodedF0) : specularValues.g;
bool isHand = false;
#ifdef HAND
isHand = true;
f0 = max(specularValues.g, harcodedF0);
@ -708,7 +710,7 @@ if (gl_FragCoord.x * texelSize.x < 1.0 && gl_FragCoord.y * texelSize.y < 1.0 )
#endif
vec3 specularReflections = specularReflections(viewPos, normalize(feetPlayerPos), WsunVec, vec3(blueNoise(), vec2(interleaved_gradientNoise_temporal())), worldSpaceNormal, roughness, f0, Albedo, FinalColor*gl_FragData[0].a, DirectLightColor * Shadows, lightmap.y, isHand, reflectance, flashLightSpecularData);
vec3 specularReflections = specularReflections(viewPos, normalize(feetPlayerPos), WsunVec, vec3(blueNoise(), vec2(interleaved_gradientNoise_temporal())), worldSpaceNormal, roughness, f0, Albedo, FinalColor*gl_FragData[0].a, DirectLightColor * Shadows, lightmap.y, isHand, isWater, reflectance, flashLightSpecularData);
gl_FragData[0].a = gl_FragData[0].a + (1.0-gl_FragData[0].a) * reflectance;