LybOutlines/shaders/lib/materials/materialMethods/coatedTextures.glsl
2024-06-25 14:45:54 +02:00

30 lines
No EOL
1.2 KiB
GLSL

const float packSizeNT = 64.0;
void CoatTextures(inout vec3 color, float noiseFactor, vec3 playerPos, bool doTileRandomisation) {
#ifndef ENTITY_GN_AND_CT
#if defined GBUFFERS_ENTITIES || defined GBUFFERS_HAND
return;
#endif
#endif
#ifndef SAFER_GENERATED_NORMALS
vec2 noiseCoord = floor(midCoordPos / 16.0 * packSizeNT * atlasSizeM) / packSizeNT / 3.0;
#else
vec2 offsetR = max(absMidCoordPos.x, absMidCoordPos.y) * vec2(float(atlasSizeM.y) / float(atlasSizeM.x), 1.0);
vec2 noiseCoord = floor(midCoordPos / 2.0 * packSizeNT / offsetR) / packSizeNT / 3.0;
#endif
if (doTileRandomisation) {
vec3 floorWorldPos = floor(playerPos + cameraPosition + 0.001);
noiseCoord += 0.84 * (floorWorldPos.xz + floorWorldPos.y);
}
float noiseTexture = texture2D(noisetex, noiseCoord).r;
noiseTexture = noiseTexture + 0.6;
float colorBrightness = dot(color, color) * 0.3;
#define COATED_TEXTURE_MULT_M COATED_TEXTURE_MULT * 0.0027
noiseFactor *= COATED_TEXTURE_MULT_M * max0(1.0 - colorBrightness);
noiseFactor *= max(1.0 - miplevel * 0.25, 0.0);
noiseTexture = pow(noiseTexture, noiseFactor);
color *= noiseTexture;
}