surprise commit

new stuff

reworked clouds, general lighting, end and nether shaders still WIP

lighting is more balanced in general.
This commit is contained in:
Xonk
2023-04-16 16:18:26 -04:00
parent 7fc3d17c05
commit 2ee6634935
223 changed files with 8807 additions and 16872 deletions

View File

@ -1,70 +1,33 @@
#version 120
//Render sky, volumetric clouds, direct lighting
#extension GL_EXT_gpu_shader4 : enable
#define SCREENSPACE_CONTACT_SHADOWS //Raymarch towards the sun in screen-space, in order to cast shadows outside of the shadow map or at the contact of objects. Can get really expensive at high resolutions.
#define SHADOW_FILTER_SAMPLE_COUNT 9 // Number of samples used to filter the actual shadows [1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 ]
#define CAVE_LIGHT_LEAK_FIX // Hackish way to remove sunlight incorrectly leaking into the caves. Can inacurrately remove shadows in some places
#define CLOUDS_SHADOWS
#define CLOUDS_SHADOWS_STRENGTH 1.0 //[0.1 0.125 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.9 1.0]
#define CLOUDS_QUALITY 0.5 //[0.1 0.125 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.9 1.0]
#define SSAO //It is also recommended to reduce the ambientOcclusionLevel value with this enabled
#define SSAO_SAMPLES 7 //[4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32]
#define TORCH_R 1.0 // [0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.1 0.11 0.12 0.13 0.14 0.15 0.16 0.17 0.18 0.19 0.2 0.21 0.22 0.23 0.24 0.25 0.26 0.27 0.28 0.29 0.3 0.31 0.32 0.33 0.34 0.35 0.36 0.37 0.38 0.39 0.4 0.41 0.42 0.43 0.44 0.45 0.46 0.47 0.48 0.49 0.5 0.51 0.52 0.53 0.54 0.55 0.56 0.57 0.58 0.59 0.6 0.61 0.62 0.63 0.64 0.65 0.66 0.67 0.68 0.69 0.7 0.71 0.72 0.73 0.74 0.75 0.76 0.77 0.78 0.79 0.8 0.81 0.82 0.83 0.84 0.85 0.86 0.87 0.88 0.89 0.9 0.91 0.92 0.93 0.94 0.95 0.96 0.97 0.98 0.99 1.0]
#define TORCH_G 0.75 // [0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.1 0.11 0.12 0.13 0.14 0.15 0.16 0.17 0.18 0.19 0.2 0.21 0.22 0.23 0.24 0.25 0.26 0.27 0.28 0.29 0.3 0.31 0.32 0.33 0.34 0.35 0.36 0.37 0.38 0.39 0.4 0.41 0.42 0.43 0.44 0.45 0.46 0.47 0.48 0.49 0.5 0.51 0.52 0.53 0.54 0.55 0.56 0.57 0.58 0.59 0.6 0.61 0.62 0.63 0.64 0.65 0.66 0.67 0.68 0.69 0.7 0.71 0.72 0.73 0.74 0.75 0.76 0.77 0.78 0.79 0.8 0.81 0.82 0.83 0.84 0.85 0.86 0.87 0.88 0.89 0.9 0.91 0.92 0.93 0.94 0.95 0.96 0.97 0.98 0.99 1.0]
#define TORCH_B 0.5 // [0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.1 0.11 0.12 0.13 0.14 0.15 0.16 0.17 0.18 0.19 0.2 0.21 0.22 0.23 0.24 0.25 0.26 0.27 0.28 0.29 0.3 0.31 0.32 0.33 0.34 0.35 0.36 0.37 0.38 0.39 0.4 0.41 0.42 0.43 0.44 0.45 0.46 0.47 0.48 0.49 0.5 0.51 0.52 0.53 0.54 0.55 0.56 0.57 0.58 0.59 0.6 0.61 0.62 0.63 0.64 0.65 0.66 0.67 0.68 0.69 0.7 0.71 0.72 0.73 0.74 0.75 0.76 0.77 0.78 0.79 0.8 0.81 0.82 0.83 0.84 0.85 0.86 0.87 0.88 0.89 0.9 0.91 0.92 0.93 0.94 0.95 0.96 0.97 0.98 0.99 1.0]
#define indirect_effect 1 // Choose what effect is applied to indirect light. [0 1 2 3]
#define AO_Strength 0.8 // strength of shadowed areas [0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 ]
#include "/lib/settings.glsl"
#include "/lib/diffuse_lighting.glsl"
#define GI_Strength 1.0 // strength of bounced light areas [1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 ]
// #define HQ_SSGI
//////////// misc settings
// #define WhiteWorld // THIS IS A DEBUG VIEW. uses to see AO easier. used to see fake GI better (green light)
// #define LabPBR_Emissives
#define Emissive_Brightness 10.0 // [1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 15. 20. 25. 30. 35. 40. 45. 50. 100.]
#define Emissive_Curve 2.0 // yes i blatantly copied kappa here. [1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 ]
#define n_MIN_LIGHT_AMOUNT 1.0 //[0.0 0.5 1.0 1.5 2.0 3.0 4.0 5.0]
const bool shadowHardwareFiltering = true;
varying vec2 texcoord;
uniform float nightVision;
flat varying vec4 lightCol; //main light source color (rgb),used light source(1=sun,-1=moon)
flat varying vec3 ambientUp;
flat varying vec3 ambientLeft;
flat varying vec3 ambientRight;
flat varying vec3 ambientB;
flat varying vec3 ambientF;
flat varying vec3 ambientDown;
flat varying vec3 avgAmbient;
flat varying vec3 WsunVec;
flat varying vec2 TAA_Offset;
flat varying float tempOffsets;
const bool colortex5MipmapEnabled = true;
uniform sampler2D colortex0;//clouds
uniform sampler2D colortex1;//albedo(rgb),material(alpha) RGBA16
uniform sampler2D colortex3;
uniform sampler2D colortex4;//Skybox
uniform sampler2D colortex5;
uniform sampler2D colortex6;//Skybox
uniform sampler2D colortex3;
uniform sampler2D colortex7;
uniform sampler2D colortex5;
uniform sampler2D colortex2;
uniform sampler2D colortex8;
uniform sampler2D colortex15;
uniform sampler2D colortex6;//Skybox
uniform sampler2D depthtex1;//depth
uniform sampler2D depthtex0;//depth
uniform sampler2D noisetex;//depth
uniform float isWastes;
uniform float isWarpedForest;
uniform float isCrimsonForest;
uniform float isSoulValley;
uniform float isBasaltDelta;
uniform int heldBlockLightValue;
uniform int frameCounter;
uniform int isEyeInWater;
@ -77,45 +40,52 @@ uniform float rainStrength;
uniform mat4 gbufferProjection;
uniform mat4 gbufferProjectionInverse;
uniform mat4 gbufferModelViewInverse;
uniform mat4 gbufferPreviousModelView;
uniform mat4 gbufferPreviousProjection;
uniform vec3 previousCameraPosition;
uniform mat4 shadowModelView;
uniform mat4 shadowProjection;
uniform mat4 gbufferModelView;
uniform mat4 gbufferPreviousModelView;
uniform mat4 gbufferPreviousProjection;
uniform vec3 previousCameraPosition;
uniform vec2 texelSize;
uniform float viewWidth;
uniform float viewHeight;
uniform float aspectRatio;
uniform vec3 cameraPosition;
// uniform int framemod8;
uniform vec3 sunVec;
uniform ivec2 eyeBrightnessSmooth;
#define diagonal3(m) vec3((m)[0].x, (m)[1].y, m[2].z)
#define projMAD(m, v) (diagonal3(m) * (v) + (m)[3].xyz)
vec3 toScreenSpace(vec3 p) {
vec4 iProjDiag = vec4(gbufferProjectionInverse[0].x, gbufferProjectionInverse[1].y, gbufferProjectionInverse[2].zw);
vec3 p3 = p * 2. - 1.;
vec4 fragposition = iProjDiag * p3.xyzz + gbufferProjectionInverse[3];
return fragposition.xyz / fragposition.w;
}
#include "lib/waterOptions.glsl"
#include "lib/color_transforms.glsl"
#include "lib/sky_gradient.glsl"
#include "lib/stars.glsl"
#include "lib/volumetricClouds.glsl"
#include "lib/waterBump.glsl"
#include "/lib/color_transforms.glsl"
#include "/lib/waterBump.glsl"
#include "/lib/sky_gradient.glsl"
float ld(float dist) {
return (2.0 * near) / (far + near - dist * (far - near));
}
vec3 ld(vec3 dist) {
return (2.0 * near) / (far + near - dist * (far - near));
}
#include "lib/specular.glsl"
vec2 RENDER_SCALE = vec2(1.0);
#include "/lib/specular.glsl"
#include "/lib/nether_fog.glsl"
vec3 normVec (vec3 vec){
return vec*inversesqrt(dot(vec,vec));
@ -144,20 +114,12 @@ vec3 fp10Dither(vec3 color,float dither){
return color + dither*exp2(-mantissaBits)*exp2(exponent);
}
vec2 R2_samples(int n){
vec2 alpha = vec2(0.75487765, 0.56984026);
return fract(alpha * n);
}
float facos(float sx){
float x = clamp(abs( sx ),0.,1.);
return sqrt( 1. - x ) * ( -0.16882 * x + 1.56734 );
}
vec3 worldToView(vec3 worldPos) {
vec4 pos = vec4(worldPos, 0.0);
pos = gbufferModelView * pos;
return pos.xyz;
}
vec3 decode (vec2 encn){
vec3 n = vec3(0.0);
encn = encn * 2.0 - 1.0;
@ -171,6 +133,24 @@ vec2 decodeVec2(float a){
const float constant2 = 256. / 255.;
return fract( a * constant1 ) * constant2 ;
}
// float linZ(float depth) {
// return (2.0 * near) / (far + near - depth * (far - near));
// // l = (2*n)/(f+n-d(f-n))
// // f+n-d(f-n) = 2n/l
// // -d(f-n) = ((2n/l)-f-n)
// // d = -((2n/l)-f-n)/(f-n)
// }
// float invLinZ (float lindepth){
// return -((2.0*near/lindepth)-far-near)/(far-near);
// }
// vec3 toClipSpace3(vec3 viewSpacePosition) {
// return projMAD(gbufferProjection, viewSpacePosition) / -viewSpacePosition.z * 0.5 + 0.5;
// }
vec2 tapLocation(int sampleNumber,int nb, float nbRot,float jitter,float distort)
{
@ -185,12 +165,17 @@ vec2 tapLocation(int sampleNumber,int nb, float nbRot,float jitter,float distort
return vec2(cos_v, sin_v)*sqrt(alpha);
}
vec3 BilateralFiltering(sampler2D tex, sampler2D depth,vec2 coord,float frDepth,float maxZ){
vec4 sampled = vec4(texelFetch2D(tex,ivec2(coord),0).rgb,1.0);
return vec3(sampled.x,sampled.yz/sampled.w);
}
float blueNoise(){
return fract(texelFetch2D(noisetex, ivec2(gl_FragCoord.xy)%512, 0).a + 1.0/1.6180339887 * frameCounter);
}
vec4 blueNoise(vec2 coord){
return texelFetch2D(colortex6, ivec2(coord )%512 , 0);
}
float R2_dither(){
vec2 alpha = vec2(0.75487765, 0.56984026);
return fract(alpha.x * gl_FragCoord.x + alpha.y * gl_FragCoord.y);
@ -215,123 +200,116 @@ vec2 tapLocation(int sampleNumber, float spinAngle,int nb, float nbRot,float r0)
return vec2(cos_v, sin_v)*ssR;
}
void ssAO(inout vec3 lighting,vec3 fragpos,float mulfov, vec2 noise, vec3 normal, float lightmap){
float ssao(vec3 fragpos, float dither,vec3 normal)
{
float mulfov = 1.0;
ivec2 pos = ivec2(gl_FragCoord.xy);
const float tan70 = tan(70.*3.14/240.);
const float tan70 = tan(70.*3.14/180.);
float mulfov2 = gbufferProjection[1][1]/tan70;
float maxR2 = fragpos.z*fragpos.z*mulfov2*2.*1.412/50.0;
const float PI = 3.14159265;
const float samplingRadius = 0.712;
float angle_thresh = 0.05;
float rd = mulfov2 * 0.04 ;
float rd = mulfov2*0.05;
//pre-rotate direction
float n = 0.0;
float n = 0.;
float occlusion = 0.0;
vec2 acc = -(TAA_Offset*(texelSize/2)) ;
vec2 acc = -vec2(TAA_Offset)*texelSize*0.5;
float mult = (dot(normal,normalize(fragpos))+1.0)*0.5+0.5;
int seed = (frameCounter%40000)*2 + frameCounter;
vec2 ij = fract(R2_samples(seed) + noise.rg );
vec2 v = ij;
for (int j = 0; j < 7 ;j++) {
vec2 sp = tapLocation(j,v.x,7,1.682,v.y);
vec2 sampleOffset = sp*rd ;
ivec2 offset = ivec2(gl_FragCoord.xy + sampleOffset*vec2(viewWidth,viewHeight*aspectRatio));
if (offset.x >= 0 && offset.y >= 0 && offset.x < viewWidth && offset.y < viewHeight ) {
vec3 t0 = toScreenSpace(vec3(offset*texelSize+acc+0.5*texelSize,texelFetch2D(depthtex1,offset,0).x));
vec3 vec = t0.xyz - fragpos;
float dsquared = dot(vec,vec);
vec2 v = fract(vec2(dither,interleaved_gradientNoise()) + (frameCounter%10000) * vec2(0.75487765, 0.56984026));
for (int j = 0; j < 7+2 ;j++) {
vec2 sp = tapLocation(j,v.x,7+2,2.,v.y);
vec2 sampleOffset = sp*rd;
ivec2 offset = ivec2(gl_FragCoord.xy + sampleOffset*vec2(viewWidth,viewHeight));
if (offset.x >= 0 && offset.y >= 0 && offset.x < viewWidth && offset.y < viewHeight ) {
vec3 t0 = toScreenSpace(vec3(offset*texelSize+acc+0.5*texelSize,texelFetch2D(depthtex1,offset,0).x));
vec3 vec = t0.xyz - fragpos;
float dsquared = dot(vec,vec);
if (dsquared > 1e-5){
if (dsquared < maxR2){
float NdotV = clamp(dot(vec*inversesqrt(dsquared), normalize(normal) ),0.,1.);
occlusion += NdotV * clamp(1.0-dsquared/maxR2,0.0,1.0);
if (dsquared < fragpos.z*fragpos.z*0.05*0.05*mulfov2*2.*1.412){
float NdotV = clamp(dot(vec*inversesqrt(dsquared), normalize(normal)),0.,1.);
occlusion += NdotV;
}
n += 1.0 ;
n += 1.0;
}
}
}
}
occlusion *= mix(2.25,0.0,clamp(pow(lightmap,2),0,1));
occlusion = max(1.0 - occlusion/n, 0.0);
lighting = lighting * occlusion;
return clamp(1.0-occlusion/n*2.0,0.,1.0);
}
vec3 cosineHemisphereSample(vec2 Xi, float roughness)
{
float r = sqrt(Xi.x);
float theta = 2.0 * 3.14159265359 * Xi.y;
float x = r * cos(theta);
float y = r * sin(theta);
return vec3(x, y, sqrt(clamp(1.0 - Xi.x,0.,1.)));
vec3 viewToWorld(vec3 viewPosition) {
vec4 pos;
pos.xyz = viewPosition;
pos.w = 0.0;
pos = gbufferModelViewInverse * pos;
return pos.xyz;
}
vec3 TangentToWorld(vec3 N, vec3 H, float roughness)
{
vec3 UpVector = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);
vec3 T = normalize(cross(UpVector, N));
vec3 B = cross(N, T);
return vec3((T * H.x) + (B * H.y) + (N * H.z));
vec3 worldToView(vec3 worldPos) {
vec4 pos = vec4(worldPos, 0.0);
pos = gbufferModelView * pos;
return pos.xyz;
}
void waterVolumetrics(inout vec3 inColor, vec3 rayStart, vec3 rayEnd, float estEndDepth, float estSunDepth, float rayLength, float dither, vec3 waterCoefs, vec3 scatterCoef, vec3 ambient){
inColor *= exp(-rayLength * waterCoefs); //No need to take the integrated value
int spCount = rayMarchSampleCount;
vec3 start = toShadowSpaceProjected(rayStart);
vec3 end = toShadowSpaceProjected(rayEnd);
vec3 dV = (end-start);
//limit ray length at 32 blocks for performance and reducing integration error
//you can't see above this anyway
float maxZ = min(rayLength,12.0)/(1e-8+rayLength);
dV *= maxZ;
vec3 dVWorld = -mat3(gbufferModelViewInverse) * (rayEnd - rayStart) * maxZ;
rayLength *= maxZ;
float dY = normalize(mat3(gbufferModelViewInverse) * rayEnd).y * rayLength;
estEndDepth *= maxZ;
estSunDepth *= maxZ;
vec3 absorbance = vec3(1.0);
vec3 vL = vec3(0.0);
vec3 RT(vec3 dir, vec3 position, float noise, float stepsizes){
float stepSize = stepsizes;
int maxSteps = 12;
vec3 clipPosition = toClipSpace3(position);
float rayLength = ((position.z + dir.z * sqrt(3.0)*far) > -sqrt(3.0)*near) ?
(-sqrt(3.0)*near -position.z) / dir.z : sqrt(3.0)*far;
vec3 end = toClipSpace3(position+dir*rayLength) ;
vec3 direction = end-clipPosition ; //convert to clip space
float len = max(abs(direction.x)/texelSize.x,abs(direction.y)/texelSize.y)/stepSize;
//get at which length the ray intersects with the edge of the screen
vec3 maxLengths = (step(0.,direction)-clipPosition) / direction;
float mult = min(min(maxLengths.x,maxLengths.y),maxLengths.z)*2000.0;
vec3 stepv = direction/len;
float expFactor = 11.0;
vec3 progressW = gbufferModelViewInverse[3].xyz+cameraPosition;
for (int i=0;i<spCount;i++) {
float d = (pow(expFactor, float(i+dither)/float(spCount))/expFactor - 1.0/expFactor)/(1-1.0/expFactor);
float dd = pow(expFactor, float(i+dither)/float(spCount)) * log(expFactor) / float(spCount)/(expFactor-1.0);
vec3 spPos = start.xyz + dV*d;
progressW = gbufferModelViewInverse[3].xyz+cameraPosition + d*dVWorld;
int iterations = min(int(min(len, mult*len)-2), maxSteps);
//Do one iteration for closest texel (good contact shadows)
vec3 spos = clipPosition ;
spos.xy += TAA_Offset*texelSize*0.5;
spos += stepv/(stepSize/2);
for(int i = 0; i < iterations; i++){
spos += stepv*noise;
float sp=texelFetch2D(depthtex1,ivec2(spos.xy/texelSize),0).x;
float currZ = (spos.z);
if( sp < currZ) {
// float dist = abs(sp-currZ)/currZ;
return vec3(spos.xy, invLinZ(sp));
vec3 ambientMul = exp(-max(estEndDepth * d,0.0) * waterCoefs);
vec3 light = (ambientMul*ambient) * scatterCoef;
vL += (light - light * exp(-waterCoefs * dd * rayLength)) / waterCoefs *absorbance;
absorbance *= exp(-dd * rayLength * waterCoefs);
}
}
return vec3(1.1);
inColor += vL;
}
void rtAO(inout vec3 lighting, vec3 normal, vec2 noise, vec3 fragpos){
int nrays = 4;
float occlude = 0.0;
for (int i = 0; i < nrays; i++){
int seed = (frameCounter%40000)*nrays+i;
vec2 ij = fract(R2_samples(seed) + noise );
vec4 blueNoise(vec2 coord){
return texelFetch2D(colortex6, ivec2(coord )%512 , 0);
}
vec3 rayDir = TangentToWorld( normal, normalize(cosineHemisphereSample(ij,1.0)) ,1.0) ;
vec3 rayHit = RT(mat3(gbufferModelView)*rayDir, fragpos, blueNoise(), 12.); // choc sspt
float skyLightDir = rayDir.y < 0.0 ? 1.0 : 1.0 ; // the positons where the occlusion happens
if (rayHit.z > 1.0) occlude += skyLightDir;
}
lighting *= occlude/nrays;
void LabEmission(
inout vec3 Lighting,
vec3 Albedo,
float Emission
){
// if( Emission < 255.0/255.0 ) Lighting = mix(Lighting, Albedo * Emissive_Brightness, pow(Emission, Emissive_Curve)); // old method.... idk why
if( Emission < 255.0/255.0 ) Lighting += (Albedo * Emissive_Brightness) * pow(Emission, Emissive_Curve);
}
void main() {
@ -339,97 +317,109 @@ void main() {
vec3 waterEpsilon = vec3(Water_Absorb_R, Water_Absorb_G, Water_Absorb_B);
vec3 dirtEpsilon = vec3(Dirt_Absorb_R, Dirt_Absorb_G, Dirt_Absorb_B);
vec3 totEpsilon = dirtEpsilon*dirtAmount + waterEpsilon;
vec3 scatterCoef = dirtAmount * vec3(Dirt_Scatter_R, Dirt_Scatter_G, Dirt_Scatter_B) / pi;
vec3 scatterCoef = dirtAmount * vec3(Dirt_Scatter_R, Dirt_Scatter_G, Dirt_Scatter_B) / 3.14;
float z0 = texture2D(depthtex0,texcoord).x;
float z = texture2D(depthtex1,texcoord).x;
vec2 tempOffset=TAA_Offset;
float noise = blueNoise();
vec3 fragpos = toScreenSpace(vec3(texcoord-vec2(tempOffset)*texelSize*0.5,z));
vec3 p3 = mat3(gbufferModelViewInverse) * fragpos;
vec3 np3 = normVec(p3);
vec4 trpData = texture2D(colortex7,texcoord);
bool iswater = trpData.a > 0.99;
vec4 SpecularTex = texture2D(colortex8,texcoord);
// for a thing
vec3 wpos = mat3(gbufferModelViewInverse) * fragpos + gbufferModelViewInverse[3].xyz;
vec3 dVWorld = (wpos-gbufferModelViewInverse[3].xyz);
float dL = length(dVWorld);
vec3 progressW = gbufferModelViewInverse[3].xyz+cameraPosition;
progressW = gbufferModelViewInverse[3].xyz+cameraPosition + dVWorld;
p3 += gbufferModelViewInverse[3].xyz;
bool iswater = texture2D(colortex7,texcoord).a > 0.99;
vec4 data = texture2D(colortex1,texcoord);
vec4 data = texture2D(colortex1,texcoord); // terraom
vec4 dataUnpacked0 = vec4(decodeVec2(data.x),decodeVec2(data.y));
vec4 dataUnpacked1 = vec4(decodeVec2(data.z),decodeVec2(data.w));
float Translucent_Programs = texture2D(colortex2,texcoord).a; // the shader for all translucent progams.
// Normal //
vec3 normal = decode(dataUnpacked0.yw) ;
vec4 normalAndAO = texture2D(colortex15,texcoord);
vec3 FlatNormals = normalAndAO.rgb * 2.0 - 1.0;
float vanilla_AO = 1.0 - exp2(-5 * pow(1-normalAndAO.a,3)) ;
vec3 albedo = toLinear(vec3(dataUnpacked0.xz,dataUnpacked1.x));
vec3 normal = mat3(gbufferModelViewInverse) * worldToView(decode(dataUnpacked0.yw));
vec2 lightmap = dataUnpacked1.yz;
bool translucent = abs(dataUnpacked1.w-0.5) <0.01;
bool hand = abs(dataUnpacked1.w-0.75) <0.01;
bool blocklights = abs(dataUnpacked1.w-0.8) <0.01;
vec3 lightSource = normalize(vec3(0.0, -1.0,0.0));
vec3 viewspace_sunvec = mat3(gbufferModelView) * lightSource;
if (z >=1.0) {
vec3 color = clamp(gl_Fog.color.rgb*pow(luma(gl_Fog.color.rgb),-0.75)*0.65,0.0,1.0)*0.02;
vec3 WsunVec = normalize(mat3(gbufferModelViewInverse) * viewspace_sunvec);
float LightDir = max(dot(normal, WsunVec),0.0);
gl_FragData[0].rgb = clamp(fp10Dither(color*8./3. * (1.0-rainStrength*0.4),triangularize(noise)),0.0,65000.);
} else {
p3 += gbufferModelViewInverse[3].xyz + cameraPosition;
// do all ambient lighting stuff
vec3 Indirect_lighting = DoAmbientLighting_Nether(gl_Fog.color.rgb, vec3(TORCH_R,TORCH_G,TORCH_B), lightmap.x, normal, np3, p3 );
vec3 LightColor = LightSourceColor();
float SdotV = dot(normalize(viewspace_sunvec), normalize(fragpos));
float OrbMie = max(exp((p3.y - 60) / -30.),0);
// 0.5 added because lightsources are always high radius.
float NdotL = clamp( dot(normal,normalize(WsunVec)) + 0.25,0.0,1.0);
vec3 LightSource = LightColor * NdotL * OrbMie ;
// LightSource *= rayTraceShadow(worldToView(normalize(-LightPos)), fragpos, interleaved_gradientNoise());
// LightSource *= GetCloudShadow(p3, WsunVec, blueNoise());
vec3 ambientCoefs = normal/dot(abs(normal),vec3(1.));
// finalize
gl_FragData[0].rgb = (Indirect_lighting) * albedo;
// gl_FragData[0].rgb = LightSource * albedo;
#ifdef WhiteWorld
albedo = vec3(1.0);
#endif
#ifdef Specular_Reflections
MaterialReflections_N(gl_FragData[0].rgb, SpecularTex.r, SpecularTex.ggg, albedo, normal, np3, fragpos, vec3(blueNoise(gl_FragCoord.xy).rg,noise), hand);
#endif
////// ----- indirect ----- //////
vec3 custom_lightmap = texture2D(colortex4, (vec2(lightmap.x, pow(lightmap.y,2))*15.0+0.5+vec2(0.0,19.))*texelSize).rgb*8./150./3.; // y = torch
if(!hand) gl_FragData[0].rgb *= ssao(fragpos,noise,FlatNormals) * vanilla_AO;
// vec3 ambientLight = vec3(1.0) / 30;
vec3 ambientLight = ((ambientUp + ambientDown + ambientRight + ambientLeft + ambientB + ambientF) ) * (abs(ambientCoefs.y * 0.5) + 0.5) ;
#ifdef LabPBR_Emissives
LabEmission(gl_FragData[0].rgb, albedo, SpecularTex.a);
#endif
}
// ////// border Fog
// if(Translucent_Programs > 0.0){
// vec3 fragpos = toScreenSpace(vec3(texcoord-vec2(0.0)*texelSize*0.5,z));
// float fogdistfade = 1.0 - clamp( exp(-pow(length(fragpos / far),2.)*5.0) ,0.0,1.0);
// gl_FragData[0].rgb = mix(gl_FragData[0].rgb, gl_Fog.color.rgb*0.5*NetherFog_brightness, fogdistfade) ;
// }
vec3 Lightsources = custom_lightmap.y * vec3(TORCH_R,TORCH_G,TORCH_B) * 0.5;
if(hand) Lightsources *= 0.15;
if(blocklights) Lightsources *= 0.3;
if(custom_lightmap.y > 10.) Lightsources *= 0.3;
////// Water Fog
if ((isEyeInWater == 0 && iswater) || (isEyeInWater == 1 && !iswater)){
vec3 fragpos0 = toScreenSpace(vec3(texcoord-vec2(tempOffset)*texelSize*0.5,z0));
float Vdiff = distance(fragpos,fragpos0);
//apply a curve for the torch light so it doesnt mix with lab emissive colors too much
#ifdef LabPBR_Emissives
if(blocklights && (SpecularTex.a > 0.0 && SpecularTex.a < 1.0)) Lightsources = mix(vec3(0.0), Lightsources, SpecularTex.a);
#endif
if(isEyeInWater == 1) Vdiff = (length(fragpos));
ambientLight += Lightsources;
float VdotU = np3.y;
float estimatedDepth = Vdiff; //assuming water plane
float estimatedSunDepth = estimatedDepth; //assuming water plane
#if indirect_effect == 1
if (!hand) ssAO(ambientLight, fragpos, 1.0, blueNoise(gl_FragCoord.xy).rg, worldToView(decode(dataUnpacked0.yw)), lightmap.x) ;
#endif
// #if indirect_effect == 2
// if (!hand ) rtAO(ambientLight, normal, blueNoise(gl_FragCoord.xy).rg, fragpos);
// #endif
// #if indirect_effect == 3
// if (!hand) rtGI(ambientLight, normal, blueNoise(gl_FragCoord.xy).rg, fragpos, 1, albedo);
// #endif
vec3 ambientColVol = vec3(1.0,0.25,0.5) * 0.33 ;
waterVolumetrics(gl_FragData[0].rgb, fragpos0, fragpos, estimatedDepth , estimatedSunDepth, Vdiff, noise, totEpsilon, scatterCoef, ambientColVol);
}
vec3 Indirect_lighting = ambientLight;
////// ----- finalize ----- //////
gl_FragData[0].rgb = Indirect_lighting * albedo ;
#ifdef LabPBR_Emissives
gl_FragData[0].rgb = SpecularTex.a < 255.0/255.0 ? mix(gl_FragData[0].rgb, albedo * Emissive_Brightness*0.5 , SpecularTex.a): gl_FragData[0].rgb;
#endif
// do this after water and stuff is done because yea
#ifdef Specular_Reflections
MaterialReflections(gl_FragData[0].rgb, SpecularTex.r, SpecularTex.ggg, albedo, WsunVec, vec3(0), 0.0 , lightmap.y, normal, np3, fragpos, vec3(blueNoise(gl_FragCoord.xy).rg,blueNoise()), hand);
#endif
/* DRAWBUFFERS:3 */
}