Add male toddler character model in GLB format
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@@ -14,6 +14,7 @@ const PROJECT_ROOT = path.join(BACKEND_DIR, '..');
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const MODELS_REL = path.join('models', '3d', 'falukant', 'characters');
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const DIST_MODELS = path.join(PROJECT_ROOT, 'frontend', 'dist', MODELS_REL);
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const PUBLIC_MODELS = path.join(PROJECT_ROOT, 'frontend', 'public', MODELS_REL);
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const SOURCE_MODELS = path.join(PROJECT_ROOT, 'frontend', 'models-src', '3d', 'falukant', 'characters');
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const CACHE_DIR = path.join(BACKEND_DIR, 'data', 'model-cache');
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const CLI_PATH = path.join(BACKEND_DIR, 'node_modules', '.bin', 'gltf-transform');
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@@ -103,16 +104,17 @@ export async function getOptimizedModelPath(filename) {
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return sourcePath;
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}
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const rawSourcePath = path.join(SOURCE_MODELS, filename);
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if (!fs.existsSync(rawSourcePath)) {
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throw new Error(`Raw source model not found: ${filename} (looked in ${SOURCE_MODELS})`);
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}
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const cacheFilename = filename.replace(/\.glb$/, '_opt.glb');
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const cachePath = path.join(CACHE_DIR, cacheFilename);
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if (!fs.existsSync(sourcePath)) {
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throw new Error(`Source model not found: ${filename} (looked in ${sourceDir})`);
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}
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ensureCacheDir();
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if (isCacheValid(sourcePath, cachePath)) {
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if (isCacheValid(rawSourcePath, cachePath)) {
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return cachePath;
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}
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@@ -120,7 +122,7 @@ export async function getOptimizedModelPath(filename) {
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if (!promise) {
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promise = (async () => {
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try {
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await runOptimize(sourcePath, cachePath);
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await runOptimize(rawSourcePath, cachePath);
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return cachePath;
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} finally {
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pending.delete(filename);
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21
frontend/models-src/3d/falukant/characters/README.md
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21
frontend/models-src/3d/falukant/characters/README.md
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@@ -0,0 +1,21 @@
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# Falukant 3D Source Models
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Dieses Verzeichnis enthaelt die unoptimierten Quellmodelle fuer Falukant.
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Regeln:
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- Hier liegen die bearbeitbaren `*.glb`-Originale.
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- Dieses Verzeichnis wird nicht direkt vom Frontend ausgeliefert.
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- Die Web-Versionen werden per `npm run optimize-models` nach
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`frontend/public/models/3d/falukant/characters/` geschrieben.
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Pipeline:
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1. Quelldateien hier ablegen oder aktualisieren
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2. `npm run optimize-models`
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3. Danach Frontend-Build / Deploy
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Namenskonvention:
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- `male.glb`, `female.glb`
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- `male_adult.glb`, `female_toddler.glb`, usw.
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- exakte Altersvarianten wie `female_1y.glb`
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Die ausgelieferten Dateien heissen immer `*_opt.glb`.
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89
frontend/public/models/3d/falukant/characters/README.md
Executable file → Normal file
89
frontend/public/models/3d/falukant/characters/README.md
Executable file → Normal file
@@ -1,87 +1,16 @@
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# 3D-Charakter-Modelle
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# Falukant 3D Web Models
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## Verzeichnisstruktur
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Dieses Verzeichnis enthaelt nur die ausgelieferten, optimierten Web-Modelle.
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Dieses Verzeichnis enthält die 3D-Modelle für Falukant-Charaktere.
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- Dateien in diesem Ordner werden vom Frontend und vom Backend-Proxy ausgeliefert.
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- Sie werden aus `frontend/models-src/3d/falukant/characters/` erzeugt.
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- Quelldateien gehoeren nicht hierher.
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## Dateinamen-Konvention
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### Basis-Modelle (Fallback)
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- `male.glb` - Basis-Modell männlich
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- `female.glb` - Basis-Modell weiblich
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### Altersspezifische Modelle
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#### Altersbereich-Modelle (Fallback für Altersgruppen)
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- `male_toddler.glb` - Männlich, Kleinkind (0-3 Jahre)
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- `male_child.glb` - Männlich, Kind (4-7 Jahre)
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- `male_preteen.glb` - Männlich, Vor-Teenager (8-12 Jahre)
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- `male_teen.glb` - Männlich, Teenager (13-17 Jahre)
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- `male_adult.glb` - Männlich, Erwachsen (18+ Jahre)
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- `female_toddler.glb` - Weiblich, Kleinkind (0-3 Jahre)
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- `female_child.glb` - Weiblich, Kind (4-7 Jahre)
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- `female_preteen.glb` - Weiblich, Vor-Teenager (8-12 Jahre)
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- `female_teen.glb` - Weiblich, Teenager (13-17 Jahre)
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- `female_adult.glb` - Weiblich, Erwachsen (18+ Jahre)
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#### Genaue Alters-Modelle (optional, für spezifische Altersstufen)
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- `male_1y.glb`, `male_2y.glb`, `male_3y.glb`, etc. - Männlich, genaues Alter in Jahren
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- `female_1y.glb`, `female_2y.glb`, `female_5y.glb`, etc. - Weiblich, genaues Alter in Jahren
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**Hinweis:** Genaue Alters-Modelle haben Vorrang vor Altersbereich-Modellen. Wenn z.B. für Alter 1 sowohl `female_1y.glb` als auch `female_toddler.glb` existieren, wird `female_1y.glb` verwendet.
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## Fallback-Verhalten
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Die Komponente verwendet eine dreistufige Fallback-Hierarchie:
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1. **Genaues Alter:** Zuerst wird nach einem Modell für das genaue Alter gesucht (z.B. `female_1y.glb` für Alter 1)
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2. **Altersbereich:** Falls kein genaues Alters-Modell existiert, wird das Altersbereich-Modell verwendet (z.B. `female_toddler.glb` für Alter 1-3)
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3. **Basis-Modell:** Falls auch kein Altersbereich-Modell existiert, wird das Basis-Modell verwendet (`male.glb` / `female.glb`)
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## Dateigröße
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- **Aktuell:** ~14–17 MB pro Modell → lange Ladezeiten
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- **Empfohlen:** < 500 KB pro Modell
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- **Maximal:** ~1–2 MB pro Modell (Web, 60 FPS)
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## Optimierung (wichtig für kürzere Ladezeiten)
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### Option A: gltf-transform (CLI, Draco + Textur-Optimierung)
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Erzeugung:
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```bash
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npm install -g @gltf-transform/cli
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# Pro Modell (Beispiel):
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gltf-transform optimize male_adult.glb male_adult_opt.glb --compress draco --texture-size 1024
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cd frontend
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npm run optimize-models
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```
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Danach optimierte Dateien z. B. als `*_opt.glb` ablegen und im Frontend verwenden.
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**Hinweis:** Bei Draco-Compression muss im Frontend `DRACOLoader` von Three.js genutzt werden (siehe Three.js-Doku zu `KHR_draco_mesh_compression`).
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### Option B: Blender
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1. Modell in Blender öffnen
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2. Decimate-Modifier anwenden (Polygonanzahl reduzieren)
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3. Texturen komprimieren (WebP, max. 1024×1024)
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4. GLB-Export mit aktivierter Kompression
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5. Optional: Online-Tools (z. B. [glb.babylonpress.org](https://glb.babylonpress.org)) für Draco-Kompression
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### Option C: Nur Texturen verkleinern (ohne Draco)
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Ohne Draco-Extension reicht oft schon:
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```bash
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gltf-transform optimize input.glb output.glb --texture-size 1024
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```
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## Model-Proxy (Backend)
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Das Frontend lädt Modelle über **`GET /api/models/3d/falukant/characters/:filename`**. Ein Backend-Proxy:
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1. Liest die angeforderte `.glb`-Datei aus diesem Verzeichnis.
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2. Optimiert sie bei Bedarf mit gltf-transform (Draco + Textur 1024).
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3. Legt das Ergebnis in `backend/data/model-cache/` ab (File-Cache).
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4. Liefert die optimierte Datei aus und setzt `Cache-Control` für Browser-Caching.
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- **Service:** `backend/services/modelsProxyService.js`
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- **Router:** `backend/routers/modelsProxyRouter.js`
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- **Cache:** `backend/data/model-cache/` (wird bei neuerer Quelldatei automatisch neu erzeugt)
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Das Frontend laedt nur `*_opt.glb`.
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BIN
frontend/public/models/3d/falukant/characters/female_1y_opt.glb
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frontend/public/models/3d/falukant/characters/female_1y_opt.glb
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frontend/public/models/3d/falukant/characters/female_2y_opt.glb
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frontend/public/models/3d/falukant/characters/female_2y_opt.glb
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BIN
frontend/public/models/3d/falukant/characters/female_5y_opt.glb
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frontend/public/models/3d/falukant/characters/female_5y_opt.glb
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frontend/public/models/3d/falukant/characters/female_opt.glb
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frontend/public/models/3d/falukant/characters/female_opt.glb
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frontend/public/models/3d/falukant/characters/male_adult_opt.glb
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frontend/public/models/3d/falukant/characters/male_adult_opt.glb
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0
frontend/public/models/3d/falukant/characters/male_child_opt.glb
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0
frontend/public/models/3d/falukant/characters/male_child_opt.glb
Executable file → Normal file
BIN
frontend/public/models/3d/falukant/characters/male_opt.glb
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frontend/public/models/3d/falukant/characters/male_opt.glb
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frontend/public/models/3d/falukant/characters/male_teen_opt.glb
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frontend/public/models/3d/falukant/characters/male_teen_opt.glb
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@@ -13,18 +13,42 @@ import { fileURLToPath } from 'url';
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import path from 'path';
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const __dirname = path.dirname(fileURLToPath(import.meta.url));
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const charsDir = path.join(__dirname, '..', 'public', 'models', '3d', 'falukant', 'characters');
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const sourceDir = path.join(__dirname, '..', 'models-src', '3d', 'falukant', 'characters');
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const outputDir = path.join(__dirname, '..', 'public', 'models', '3d', 'falukant', 'characters');
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const cli = path.join(__dirname, '..', 'node_modules', '.bin', 'gltf-transform');
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function listSourceModels() {
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return fs.readdirSync(charsDir)
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return fs.readdirSync(sourceDir)
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.filter((file) => file.endsWith('.glb'))
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.filter((file) => !file.endsWith('_opt.glb'))
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.sort((a, b) => a.localeCompare(b));
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}
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function ensureOutputDir() {
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fs.mkdirSync(outputDir, { recursive: true });
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}
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function removeStaleOptimizedModels() {
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if (!fs.existsSync(outputDir)) {
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return;
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}
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for (const file of fs.readdirSync(outputDir)) {
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if (file.endsWith('_opt.glb')) {
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fs.unlinkSync(path.join(outputDir, file));
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}
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}
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}
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console.log('Optimize Falukant character GLBs (Draco + texture 1024)\n');
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if (!fs.existsSync(sourceDir)) {
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console.error(`Source directory not found: ${sourceDir}`);
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process.exit(1);
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}
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ensureOutputDir();
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removeStaleOptimizedModels();
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const models = listSourceModels();
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if (models.length === 0) {
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console.log('No source GLBs found.');
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@@ -32,9 +56,9 @@ if (models.length === 0) {
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}
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for (const f of models) {
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const input = path.join(charsDir, f);
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const input = path.join(sourceDir, f);
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const out = f.replace(/\.glb$/, '_opt.glb');
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const output = path.join(charsDir, out);
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const output = path.join(outputDir, out);
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try {
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const result = spawnSync(
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@@ -54,4 +78,4 @@ for (const f of models) {
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}
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}
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console.log('\nDone. Use *_opt.glb in Character3D (with DRACOLoader).');
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console.log(`\nDone. Optimized models written to ${outputDir}`);
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