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make shadowmap work with "render clouds as fog" setting

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Xonk
2024-01-09 21:02:48 -05:00
parent 3eb81ec185
commit f9024fb91b
1 changed files with 2 additions and 1 deletions
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shaders/lib/overworld_fog.glsl
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@ -237,12 +237,13 @@ vec4 GetVolumetricFog(
#endif #endif
float skyScatter = clamp((DUAL_MAX_HEIGHT - 20 - progressW.y) / 275.0,0.0,1.0); float skyScatter = clamp((DUAL_MAX_HEIGHT - 20 - progressW.y) / 275.0,0.0,1.0);
vec3 cloudlighting = DoCloudLighting(muE, cumulus, AmbientColor*skylightOcclusion, skyScatter, directLight, directScattering, directMultiScattering, 1.0); vec3 cloudlighting = DoCloudLighting(muE, cumulus, AmbientColor*skylightOcclusion, skyScatter, directLight, directScattering*sh2, directMultiScattering*sh2, 1.0);
#if defined CloudLayer1 && defined CloudLayer0 #if defined CloudLayer1 && defined CloudLayer0
// a horrible approximation of direct light indirectly hitting the lower layer of clouds after scattering through/bouncing off the upper layer. // a horrible approximation of direct light indirectly hitting the lower layer of clouds after scattering through/bouncing off the upper layer.
cloudlighting += sunIndirectScattering * exp((skyScatter*skyScatter) * cumulus * -35.0) * upperLayerOcclusion * exp(-20.0 * pow(abs(upperLayerOcclusion - 0.3),2)); cloudlighting += sunIndirectScattering * exp((skyScatter*skyScatter) * cumulus * -35.0) * upperLayerOcclusion * exp(-20.0 * pow(abs(upperLayerOcclusion - 0.3),2));
#endif #endif
color += max(cloudlighting - cloudlighting*exp(-muE*dd*dL),0.0) * absorbance; color += max(cloudlighting - cloudlighting*exp(-muE*dd*dL),0.0) * absorbance;
absorbance *= max(exp(-muE*dd*dL),0.0); absorbance *= max(exp(-muE*dd*dL),0.0);
} }