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add max distance for biome effects. make border fog cylindrical. Fix compile error on optifine.

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Xonk
2024-02-12 00:49:20 -05:00
parent 69dae189b1
commit b91c1f796f
9 changed files with 119 additions and 67 deletions
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30
shaders/lib/overworld_fog.glsl
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@ -14,7 +14,7 @@ float densityAtPosFog(in vec3 pos){
}
float cloudVol(in vec3 pos){
float cloudVol(in vec3 pos, float maxDistance ){
vec3 samplePos = pos*vec3(1.0,1./24.,1.0);
vec3 samplePos2 = pos*vec3(1.0,1./48.,1.0);
@ -40,7 +40,7 @@ float cloudVol(in vec3 pos){
if(sandStorm > 0 || snowStorm > 0) CloudyFog = mix(CloudyFog, max(densityAtPosFog((samplePos2 - vec3(frameTimeCounter,0,frameTimeCounter)*10) * 100.0 ) - 0.2,0.0) * heightlimit, sandStorm+snowStorm);
#endif
TimeOfDayFog(UniformFog, CloudyFog);
TimeOfDayFog(UniformFog, CloudyFog, maxDistance);
float noise = densityAtPosFog(samplePos * 12.0);
float erosion = 1.0-densityAtPosFog(samplePos2 * (125 - (1-pow(1-noise,5))*25));
@ -51,9 +51,9 @@ float cloudVol(in vec3 pos){
// float testfogshapes = clumpyFog*30;
// return testfogshapes;
// return max(exp( max(pos.y - 90,0.0) / -1), 0.0) * 100;
return CloudyFog + UniformFog + RainFog;
// float groundFog = max(exp( max(pos.y - 90,0.0) / -1), 0.0) * 100;
}
@ -139,8 +139,9 @@ vec4 GetVolumetricFog(
LightSourcePhased = vec3(0.0);
#endif
#ifdef PER_BIOME_ENVIRONMENT
BiomeFogColor(LightSourcePhased);
BiomeFogColor(skyLightPhased);
vec3 biomeDirect = LightSourcePhased;
vec3 biomeIndirect = skyLightPhased;
float inBiome = BiomeVLFogColors(biomeDirect, biomeIndirect);
#endif
skyLightPhased = max(skyLightPhased + skyLightPhased*(normalize(wpos).y*0.9+0.1),0.0);
@ -200,7 +201,13 @@ vec4 GetVolumetricFog(
sh *= GetCloudShadow_VLFOG(progressW, WsunVec);
#endif
float densityVol = cloudVol(progressW) * lightleakfix;
#ifdef PER_BIOME_ENVIRONMENT
float maxDistance = inBiome * min(max(1.0 - length(d*dVWorld.xz)/(32*8),0.0)*2.0,1.0);
float densityVol = cloudVol(progressW, maxDistance) * lightleakfix;
#else
float densityVol = cloudVol(progressW, 0.0) * lightleakfix;
#endif
//Water droplets(fog)
float density = densityVol*300.0;
@ -213,11 +220,18 @@ vec4 GetVolumetricFog(
vec3 rL = rC*airCoef.x;
vec3 m = (airCoef.y+density) * mC;
vec3 Atmosphere = skyLightPhased * (rL*RLmult + m); // not pbr so just make the atmosphere also dense fog heh
vec3 DirectLight = LightSourcePhased * sh * ((rL*RLmult)*rayL + m);
#ifdef PER_BIOME_ENVIRONMENT
vec3 Atmosphere = mix(skyLightPhased, biomeDirect, maxDistance) * (rL*RLmult + m); // not pbr so just make the atmosphere also dense fog heh
vec3 DirectLight = mix(LightSourcePhased, biomeIndirect, maxDistance) * sh * ((rL*RLmult)*rayL + m);
#else
vec3 Atmosphere = skyLightPhased * (rL*RLmult + m); // not pbr so just make the atmosphere also dense fog heh
vec3 DirectLight = LightSourcePhased * sh * ((rL*RLmult)*rayL + m);
#endif
vec3 Lightning = Iris_Lightningflash_VLfog(progressW-cameraPosition, lightningBoltPosition.xyz) * (rL + m);
vec3 foglighting = (Atmosphere + DirectLight + Lightning) * lightleakfix;
color += (foglighting - foglighting * exp(-(rL+m)*dd*dL)) / ((rL+m)+0.00000001)*absorbance;
absorbance *= clamp(exp(-(rL+m)*dd*dL),0.0,1.0);