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add floodfill light propagation in vl fog. fix up nether and end shaders. tweaked shadows some. improved filtering for shadows/ssao, and VL fog. improved the "clouds intersect terrain" setting

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Xonk
2024-06-19 21:44:21 -04:00
parent afe1a2f30e
commit 56ad3b059d
33 changed files with 843 additions and 771 deletions
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26
shaders/lib/Shadows.glsl
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@ -7,28 +7,20 @@ void GriAndEminShadowFix(
float VanillaAO,
float SkyLightmap
){
// #ifdef DISTANT_HORIZONS_SHADOWMAP
// float minimumValue = 0.3;
// #else
float minimumValue = 0.05;
// #endif
float minvalue = 0.007;
float DistanceOffset = max(length(WorldPos) * 0.005, minimumValue);
#ifdef DISTANT_HORIZONS_SHADOWMAP
minvalue = 0.035;
#endif
// float DistanceOffset = clamp(0.17 + length(WorldPos) / (shadowMapResolution*0.20), 0.0,1.0) ;
// float DistanceOffset = clamp(0.17 + length(WorldPos) / (shadowMapResolution*0.20), 0.0,1.0) ;
float shadowResScale = (2048.0/shadowMapResolution) / 4.0;
float DistanceOffset = (length(WorldPos)+4.0) * (minvalue + shadowResScale*0.015);
vec3 Bias = FlatNormal * DistanceOffset; // adjust the bias thingy's strength as it gets farther away.
vec3 finalBias = Bias;
vec3 Bias = FlatNormal * DistanceOffset;
// stop lightleaking by zooming up, centered on blocks
vec2 scale = vec2(0.5); scale.y *= 0.5;
vec3 zoomShadow = scale.y - scale.x * fract(WorldPos + cameraPosition + Bias*scale.y);
if(SkyLightmap < 0.1) finalBias = mix(Bias, zoomShadow, clamp(VanillaAO*5,0,1));
if(SkyLightmap < 0.1) Bias = zoomShadow;
WorldPos += finalBias;
WorldPos += Bias;
}