Tom Boullay
51 lines
1.5 KiB
TypeScript
51 lines
1.5 KiB
TypeScript
import { join } from 'path'
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import { existsSync } from 'fs'
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import { execFile } from 'child_process'
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import { promisify } from 'util'
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const execFileAsync = promisify(execFile)
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/**
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* Compress a GLTF/GLB model using Blender's Draco compression.
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* Returns { success: true } on success, or { success: false, error } on failure.
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* GLB Draco is explicit: callers should fail instead of silently pushing heavy assets.
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*/
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export async function compressWithBlender(
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inputPath: string,
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outputPath: string,
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): Promise<{ success: boolean; error?: string }> {
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const blenderPath = process.env.BLENDER_PATH || 'blender'
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const timeout = Number(process.env.BLENDER_TIMEOUT_MS || 600_000)
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const scriptPath = join(process.cwd(), 'scripts', 'compress.py')
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if (!existsSync(scriptPath)) {
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return { success: false, error: 'scripts/compress.py introuvable' }
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}
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try {
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await execFileAsync(
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blenderPath,
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[
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'--background',
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'--python', scriptPath,
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'--',
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'-i', inputPath,
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'-o', outputPath,
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'--draco-level', '7',
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'--texture-size', '512',
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'-q',
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],
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{ timeout },
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)
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if (!existsSync(outputPath)) {
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return { success: false, error: "Blender n'a pas produit de fichier compresse" }
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}
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return { success: true }
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} catch (err) {
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const message = err instanceof Error ? err.message : String(err)
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return { success: false, error: `Compression Blender echouee: ${message}` }
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}
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}
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