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