workshop rework

Content/Python/ue_workshop/blender.py

@@ -0,0 +1,25 @@
+"""Export saved Blender files in a separate process, then import them in UE."""
+from pathlib import Path
+import subprocess
+
+from .paths import PROJECT, executable, slug
+
+
+def export(filename, name="Character", collection="Character", blender=None):
+    source = Path(filename).resolve()
+    if not source.is_file() or source.suffix.lower() != ".blend":
+        raise FileNotFoundError(f"Brak pliku .blend: {source}")
+    destination = PROJECT / "build" / slug(name) / (name + ".glb")
+    destination.parent.mkdir(parents=True, exist_ok=True)
+    command = [executable("blender", blender), "--background", str(source),
+               "--python-exit-code", "1", "--python", str(PROJECT / "tools" / "blender_export.py"),
+               "--", "--output", str(destination), "--collection", collection]
+    result = subprocess.run(command, capture_output=True, text=True, timeout=180)
+    if result.returncode or not destination.is_file():
+        raise RuntimeError("Eksport Blendera nie powiodl sie:\n" + (result.stdout + result.stderr)[-6000:])
+    return destination
+
+
+def import_character(filename, name="Character", collection="Character", blender=None):
+    from .assets import import_model
+    return import_model(export(filename, name, collection, blender), name)