70 lines
2.6 KiB
Python
70 lines
2.6 KiB
Python
#!/usr/bin/env python3
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import hashlib
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import json
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import os
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import pathlib
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import sys
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import tempfile
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import bpy
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def rounded(value):
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return round(float(value), 6)
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def settings_report():
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settings = bpy.data.particles.get("WebGapParticleSettings")
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if settings is None:
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raise RuntimeError("WebGapParticleSettings is missing")
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return {
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"id": "particle-settings:" + settings.name,
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"name": settings.name,
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"type": int({"EMITTER": 0, "HAIR": 1}.get(settings.type, -1)),
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"from": int({"FACE": 0, "VERT": 1, "VOLUME": 2}.get(settings.emit_from, -1)),
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"distribution": int({"JIT": 0, "RAND": 1, "GRID": 2}.get(settings.distribution, -1)),
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"physicsType": int({"NEWTON": 0, "KEYED": 1, "BOIDS": 2, "NO": 3}.get(settings.physics_type, -1)),
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"totalParticles": int(settings.count),
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"start": rounded(settings.frame_start),
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"end": rounded(settings.frame_end),
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"lifetime": rounded(settings.lifetime),
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"size": rounded(settings.particle_size),
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"drawSize": rounded(settings.display_size),
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}
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def main():
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arguments = sys.argv[sys.argv.index("--") + 1 :]
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if len(arguments) != 2:
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raise SystemExit("usage: blender -b --python check-particle-settings-desktop.py -- FIXTURE REPORT")
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fixture, output = (pathlib.Path(value).resolve() for value in arguments)
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bpy.ops.wm.open_mainfile(filepath=str(fixture), load_ui=False)
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before = settings_report()
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descriptor, temporary = tempfile.mkstemp(prefix="m16-particle-settings-reopen-", suffix=".blend", dir=fixture.parent)
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os.close(descriptor)
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try:
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bpy.ops.wm.save_as_mainfile(filepath=temporary, check_existing=False, compress=True)
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bpy.ops.wm.open_mainfile(filepath=temporary, load_ui=False)
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after = settings_report()
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finally:
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pathlib.Path(temporary).unlink(missing_ok=True)
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if before != after:
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raise RuntimeError(f"particle settings save/reopen drift: {before} != {after}")
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report = {
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"schemaVersion": 1,
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"task": "M16-GAP-00018",
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"operation": "PARTICLE_SETTINGS_DATABLOCK_DESKTOP",
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"fixture": str(fixture),
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"fixtureSha256": hashlib.sha256(fixture.read_bytes()).hexdigest(),
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"particleSettings": after,
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"saveReopen": "EXACT",
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"blenderVersion": bpy.app.version_string,
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}
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output.parent.mkdir(parents=True, exist_ok=True)
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output.write_text(json.dumps(report, indent=2, sort_keys=True) + "\n", encoding="utf-8")
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print(f"particle-settings-desktop-ok id={after['id']} count={after['totalParticles']} saveReopen=exact")
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if __name__ == "__main__":
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main()
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