Backups/Bliss-Shader
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fix blocklight and ambient light interactions with rtao/ssgi/gtao. fix atmosphere haze self absorbance. fix cloud lighting during nausea. fix the issue were floodfill handheld lights cannot be toggled off. fix hardocded emission writing to the wrong buffer. fix lighting on translucents/particles in the end/nether

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Xonk
2024-06-23 21:43:15 -04:00
parent cfbdedfd4c
commit fe459005c9
16 changed files with 153 additions and 188 deletions
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18
shaders/lib/overworld_fog.glsl
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@ -112,6 +112,7 @@ vec4 GetVolumetricFog(
vec3 color = vec3(0.0);
float absorbance = 1.0;
float AtmosphereAbsorbance = 1.0;
float lightleakfix = 1.0 - caveDetection;
float lightleakfix2 = pow(clamp(eyeBrightnessSmooth.y/240. ,0.0,1.0),3.0);
@ -235,19 +236,28 @@ vec4 GetVolumetricFog(
absorbance *= fogVolumeCoeff;
//------ ATMOSPHERE HAZE EFFECT
#if defined CloudLayer0 && defined VOLUMETRIC_CLOUDS
float cloudPlaneCutoff = clamp((CloudLayer0_height + max(eyeAltitude-(CloudLayer0_height-100),0)) - progressW.y,0.0,1.0);
#else
float cloudPlaneCutoff = 1.0;
#endif
// just air
vec2 airCoef = exp2(-max(progressW.y-SEA_LEVEL,0.0)/vec2(8.0e3, 1.2e3)*vec2(6.,7.0)) * (24.0 * atmosphereMult) * Haze_amount * clamp((CloudLayer0_height + max(eyeAltitude-(CloudLayer0_height-100),0)) - progressW.y,0.0,1.0);
vec2 airCoef = exp2(-max(progressW.y-SEA_LEVEL,0.0)/vec2(8.0e3, 1.2e3)*vec2(6.,7.0)) * (24.0 * atmosphereMult) * Haze_amount * cloudPlaneCutoff;
// Pbr for air, yolo mix between mie and rayleigh for water droplets
vec3 rL = rC*airCoef.x;
vec3 m = mC*(airCoef.y+densityVol*300.0);
// calculate the atmosphere haze seperately and purely additive to color, do not contribute to absorbtion.
vec3 Atmosphere = LightSourcePhased * sh * (rayL*rL + sunPhase*m) + (AveragedAmbientColor*0.7) * (rL+m) * lightleakfix2;
color += (Atmosphere - Atmosphere*exp(-(rL+m)*dd*dL_alternate)) / (rL+m+1e-6) * absorbance;
vec3 atmosphereVolumeCoeff = exp(-(rL+m)*dd*dL_alternate);
vec3 Atmosphere = (LightSourcePhased * sh * (rayL*rL + sunPhase*m) + AveragedAmbientColor * (rL+m)) * lightleakfix2;
color += (Atmosphere - Atmosphere * atmosphereVolumeCoeff) / (rL+m+1e-6) * AtmosphereAbsorbance * absorbance;
AtmosphereAbsorbance *= dot(atmosphereVolumeCoeff, vec3(0.33333));
//------ LPV FOG EFFECT
#if defined LPV_VL_FOG_ILLUMINATION && defined EXCLUDE_WRITE_TO_LUT
#if defined LPV_VL_FOG_ILLUMINATION && defined EXCLUDE_WRITE_TO_LUT
color += LPV_FOG_ILLUMINATION(progressW-cameraPosition, dd, dL) * TorchBrightness_autoAdjust * absorbance;
#endif