Skip to content

Commit 79cf6d4

Browse files
AntonPalmqvistAntonPalmqvist
committed
- Added script that creates .mtlx files and zips them
1 parent 2d0f19f commit 79cf6d4

File tree

3 files changed

+137
-2
lines changed

3 files changed

+137
-2
lines changed

‎package-lock.json

Lines changed: 11 additions & 1 deletion
Some generated files are not rendered by default. Learn more about customizing how changed files appear on GitHub.

‎package.json

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -5,7 +5,8 @@
55
"scripts": {
66
"http": "http-server -o deploy",
77
"http-v2": "http-server -o deploy/v2",
8-
"image-processor": "node scripts/image-processor.js "
8+
"image-processor": "node scripts/image-processor.js ",
9+
"create-materialx": "node scripts/create-materialx.js "
910
},
1011
"repository": {
1112
"type": "git",
@@ -18,6 +19,7 @@
1819
},
1920
"homepage": "https://api.physicallybased.info/",
2021
"devDependencies": {
22+
"adm-zip": "^0.5.16",
2123
"http-server": "^14.1.1",
2224
"sharp": "^0.33.5"
2325
}

‎scripts/create-materialx.js

Lines changed: 123 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,123 @@
1+
const fs = require("node:fs");
2+
const AdmZip = require("adm-zip");
3+
4+
const materialxVersion = "1.39";
5+
const outputFile = "MaterialX-v" + materialxVersion + "_OpenPBR.zip";
6+
const tempFolder = "./tmp/";
7+
8+
function createFiles() {
9+
return new Promise((resolve, reject) => {
10+
fs.readFile("./deploy/v2/materials.json", "utf8", (err, data) => {
11+
if (err) {
12+
console.error(err);
13+
reject(err);
14+
return;
15+
}
16+
17+
// prettier-ignore
18+
function makeMaterialX(
19+
hit
20+
) {
21+
const baseColor = JSON.stringify(hit.color[0].color) !== JSON.stringify([0.8, 0.8, 0.8]) && !hit.transmission && !hit.subsurfaceRadius ? ' <input name="base_color" type="color3" value="'+ hit.color[0].color[0].toFixed(3)+', '+ hit.color[0].color[1].toFixed(3)+', '+ hit.color[0].color[2].toFixed(3) +'" />\n' : "";
22+
const metalness = hit.metalness > 0 ? ' <input name="base_metalness" type="float" value="'+ hit.metalness.toFixed(1) +'" />\n' : "";
23+
const specularColor = hit.specularColor ? ' <input name="specular_color" type="color3" value="'+ hit.specularColor[0].color[0].toFixed(3)+', '+ hit.specularColor[0].color[1].toFixed(3)+', '+ hit.specularColor[0].color[2].toFixed(3) +'" />\n' : "";
24+
const roughness = hit.roughness != 0.3 ? ' <input name="specular_roughness" type="float" value="'+ hit.roughness.toFixed(1) +'" />\n' : "";
25+
const specularIor = hit.ior && hit.metalness < 1 && hit.ior != 1.5 ? ' <input name="specular_ior" type="float" value="'+ hit.ior.toFixed(2) +'" />\n' : "";
26+
const transmission = hit.transmission ? ' <input name="transmission_weight" type="float" value="'+ hit.transmission.toFixed(1) +'" />\n' : "";
27+
const transmissionColor = hit.transmission && JSON.stringify(hit.color[0].color) !== JSON.stringify([1, 1, 1]) ? ' <input name="transmission_color" type="color3" value="'+ hit.color[0].color[0].toFixed(3)+', '+ hit.color[0].color[1].toFixed(3)+', '+ hit.color[0].color[2].toFixed(3) +'" />\n' : "";
28+
const transmissionDispersion = hit.transmissionDispersion ? ' <input name="transmission_dispersion_scale" type="float" value="1.0" />\n' : "";
29+
const transmissionDispersionAbbeNumber = hit.transmissionDispersion ? ' <input name="transmission_dispersion_abbe_number" type="float" value="'+ hit.transmissionDispersion +'" />\n' : "";
30+
const subsurface = hit.subsurfaceRadius ? ' <input name="subsurface_weight" type="float" value="1.0" />\n' : "";
31+
const subsurfaceColor = hit.subsurfaceRadius ? ' <input name="subsurface_color" type="color3" value="'+ hit.color[0].color[0].toFixed(3)+', '+ hit.color[0].color[1].toFixed(3)+', '+ hit.color[0].color[2].toFixed(3) +'" />\n' : "";
32+
const subsurfaceRadiusScale = hit.subsurfaceRadius ? ' <input name="subsurface_radius_scale" type="color3" value="'+ hit.subsurfaceRadius[0]+', '+ hit.subsurfaceRadius[1]+', '+ hit.subsurfaceRadius[2] +'" />\n' : "";
33+
const thinFilmWeight = hit.thinFilmThickness ? ' <input name="thin_film_weight" type="float" value="1.0" />\n' : "";
34+
const thinFilmThickness = hit.thinFilmThickness && hit.thinFilmThickness[2] ? ' <input name="thin_film_thickness" type="float" value="'+ hit.thinFilmThickness[2]/1000 +'" />\n' : hit.thinFilmThickness && hit.thinFilmThickness[0] ? ' <input name="thin_film_thickness" type="float" value="'+ hit.thinFilmThickness[0]/1000 +'" />\n' : "";
35+
const thinFilmIor = hit.thinFilmIor ? ' <input name="thin_film_ior" type="float" value="'+ hit.thinFilmIor.toFixed(2) +'" />\n' : "";
36+
const thinWalled = hit.thinFilmThickness && hit.transmission ? ' <input name="geometry_thin_walled" type="boolean" value="true" />\n' : "";
37+
let xml =
38+
// Commented lines are values that are not used and therefore removed to follow best practices for MaterialX "preset" functionality https://academysoftwarefdn.slack.com/archives/C0230LWBE2X/p1660682953141679?thread_ts=1660168970.997769&cid=C0230LWBE2X
39+
'<?xml version="1.0"?>\n' +
40+
'<materialx version="'+ materialxVersion +'" colorspace="lin_rec709">\n' +
41+
' <surfacematerial name="'+ hit.name.replace(/ |-|\./g, "_").replace(/[()]/g, "") +'" type="material">\n' +
42+
' <input name="surfaceshader" type="surfaceshader" nodename="open_pbr_surface_surfaceshader" />\n' +
43+
' </surfacematerial>\n' +
44+
' <open_pbr_surface name="open_pbr_surface_surfaceshader" type="surfaceshader">\n' +
45+
baseColor +
46+
//' <input name="base_diffuse_roughness" type="float" value="0.0" />\n' +
47+
metalness +
48+
//' <input name="specular_weight" type="float" value="1" />\n' +
49+
specularColor +
50+
roughness +
51+
specularIor +
52+
// ' <input name="specular_roughness_anisotropy" type="float" value="0" />\n' +
53+
transmission +
54+
transmissionColor +
55+
//' <input name="transmission_depth" type="float" value="0.0" />\n' +
56+
//' <input name="transmission_scatter" type="color3" value="0, 0, 0" />\n' +
57+
//' <input name="transmission_scatter_anisotropy" type="float" value="0" />\n' +
58+
transmissionDispersion +
59+
transmissionDispersionAbbeNumber +
60+
subsurface +
61+
subsurfaceColor +
62+
//' <input name="subsurface_radius" type="float" value="1.0" />\n' +
63+
subsurfaceRadiusScale +
64+
//' <input name="subsurface_scatter_anisotropy" type="float" value="0.0" />\n' +
65+
//' <input name="coat_color" type="color3" value="1, 1, 1" />\n' +
66+
//' <input name="coat_roughness_anisotropy" type="float" value="0.0" />\n' +
67+
//' <input name="coat_ior" type="float" value="1.6" />\n' +
68+
//' <input name="coat_darkening" type="float" value="1.0" />\n' +
69+
thinFilmWeight +
70+
thinFilmThickness +
71+
thinFilmIor +
72+
//' <input name="geometry_opacity" type="float" value="1" />\n' +
73+
thinWalled +
74+
' </open_pbr_surface>\n' +
75+
'</materialx>';
76+
77+
return xml;
78+
}
79+
80+
JSON.parse(data).forEach((element) => {
81+
if (!fs.existsSync(tempFolder)) {
82+
fs.mkdirSync(tempFolder, { recursive: true });
83+
}
84+
const fileName =
85+
tempFolder +
86+
element.name.replace(/ |-|\./g, "_").replace(/[()]/g, "") +
87+
".mtlx";
88+
fs.writeFile(fileName, makeMaterialX(element), (err) => {
89+
if (err) {
90+
console.error(err);
91+
reject(err);
92+
} else {
93+
console.log(fileName + " created");
94+
resolve();
95+
}
96+
});
97+
});
98+
});
99+
});
100+
}
101+
102+
function zipFiles() {
103+
const zip = new AdmZip();
104+
zip.addLocalFolder(tempFolder);
105+
zip.writeZip(outputFile);
106+
}
107+
108+
async function main() {
109+
try {
110+
await createFiles();
111+
zipFiles();
112+
console.log("Created " + outputFile + " successfully");
113+
114+
if (fs.existsSync(tempFolder)) {
115+
fs.rmSync(tempFolder, { recursive: true, force: true });
116+
console.log("Deleted " + tempFolder + " folder successfully");
117+
}
118+
} catch (err) {
119+
console.error("An error occurred:", err);
120+
}
121+
}
122+
123+
main();

0 commit comments

Comments
 (0)