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