/**
* Materials & shaders readers.
*/
import { listFilesRecursive, readFileSafe, ASSETS, PACKAGES } from "./helpers.js";
import { join } from "node:path";
export function getMaterials(root: string, folder?: string): { path: string; shader?: string }[] {
let files = listFilesRecursive(root, ASSETS, { ext: ".mat" });
if (folder) {
const prefix = folder.startsWith("Assets/") ? folder : join(ASSETS, folder);
files = files.filter((f) => f.startsWith(prefix + "/") || f.startsWith(prefix + "\\"));
}
return files.map((path) => {
const content = readFileSafe(root, path);
const shader = content?.match(/m_Shader:\s*\{fileID:\s*\d+,\s*guid:\s*([a-f0-9]+)/);
return { path, shader: shader ? shader[1] : undefined };
});
}
export function getShaders(root: string): string[] {
const inAssets = listFilesRecursive(root, ASSETS, { ext: ".shader" });
const inPackages = listFilesRecursive(root, PACKAGES, { ext: ".shader" });
return [...inAssets, ...inPackages.map((p) => p.startsWith("Packages/") ? p : `Packages/${p}`)];
}
export function listShaderGraphs(root: string): string[] {
return listFilesRecursive(root, ASSETS, { ext: ".shadergraph" });
}
export function listVfxGraphs(root: string): string[] {
return listFilesRecursive(root, ASSETS, { ext: ".vfx" });
}
export function listRenderPipelines(root: string): { pipelines: string[]; volumeProfiles: string[] } {
const pipelines = listFilesRecursive(root, ASSETS, { ext: ".asset" }).filter((p) => p.toLowerCase().includes("pipeline") || p.toLowerCase().includes("render"));
const settings = join(ASSETS, "Settings");
const vol = listFilesRecursive(root, settings, { ext: ".asset" }).filter((p) => p.toLowerCase().includes("volume") || p.toLowerCase().includes("profile"));
return { pipelines: pipelines.slice(0, 50), volumeProfiles: vol.slice(0, 30) };
}
/** List material paths that use the given shader (by GUID or resolve path to GUID). */
export function listMaterialsUsingShader(root: string, shaderGuidOrPath: string): string[] {
const materials = getMaterials(root);
let guid = shaderGuidOrPath.trim();
if (guid.length !== 32) {
const path = guid.startsWith("Assets/") ? guid : join(ASSETS, guid);
const meta = readFileSafe(root, path + ".meta");
const m = meta?.match(/^guid:\s*([a-f0-9]{32})/m);
if (!m) return [];
guid = m[1];
}
return materials.filter((m) => m.shader === guid).map((m) => m.path);
}
