@benev/construct/s/glb/parts/glb_io.ts

game map editing suite for babylon

import draco3d from "draco3dgltf"
import {readFile, writeFile} from "fs/promises"
import {ALL_EXTENSIONS} from "@gltf-transform/extensions"
import {NodeIO, Document, Logger} from "@gltf-transform/core"

export async function glb_io() {

	const io = (new NodeIO()
		.registerExtensions(
			ALL_EXTENSIONS
		)
		.registerDependencies({
			"draco3d.decoder": await draco3d.createDecoderModule(),
			"draco3d.encoder": await draco3d.createEncoderModule(),
		})
	)

	return {
		async read(path: string) {
			const binary = new Uint8Array(await readFile(path))
			const document = await io.readBinary(binary)
			const logger = new Logger(Logger.Verbosity.WARN)
			document.setLogger(logger)
			return {path, binary, document}
		},

		async write(path: string, document: Document) {
			const binary = await io.writeBinary(document)
			await writeFile(path, binary)
			return {path, binary}
		}
	}
}