33 lines
1.3 KiB
Python
33 lines
1.3 KiB
Python
"""FBX 减面 CLI：减到指定三角面数并 Smart UV 重展，输出 <名>_low.fbx。
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用法：python model_decimate.py src/well1500.fbx --tris 5000 [-o dir] [--blender exe]"""
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import argparse
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import os
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from mt_run import find_blender, run_blender_script
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def main():
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ap = argparse.ArgumentParser(description=__doc__)
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ap.add_argument("input", help="FBX 文件")
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ap.add_argument("--tris", type=int, required=True, help="目标三角面数")
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ap.add_argument("-o", "--out", default=None, help="输出目录（默认源文件同目录）")
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ap.add_argument("--blender", default=None)
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args = ap.parse_args()
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if args.tris <= 0:
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ap.error("--tris 必须为正整数")
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blender = find_blender(args.blender)
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name = os.path.splitext(os.path.basename(args.input))[0]
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outdir = args.out or os.path.dirname(os.path.abspath(args.input))
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out_fbx = os.path.join(outdir, name + "_low.fbx")
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s = run_blender_script(blender, "bl_decimate.py",
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[args.input, out_fbx, str(args.tris)])
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print("== %s: %d -> %d 面（目标 %d）-> %s" %
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(s["src"], s["tris_before"], s["tris_after"], s["target"], out_fbx))
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for w in s["warnings"]:
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print(" [警告] %s" % w)
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if __name__ == "__main__":
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main()
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