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41 lines
1.0 KiB
Python
41 lines
1.0 KiB
Python
#!/usr/bin/env python3
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"""converts DXT5 dds files to DXT1 without generation loss."""
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import sys
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import os
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import os.path
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import argparse
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import dds
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parser = argparse.ArgumentParser(
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description=__doc__)
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parser.add_argument('files', type=str, nargs='*',
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help = "input dds files. Paths are read from stdin if none are given")
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args = parser.parse_args()
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if len(args.files) < 1 and not sys.stdin.isatty():
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args.files = sys.stdin.read().splitlines()
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for argv in args.files:
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path = os.path.abspath(argv)
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# read DDS file
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with open(path, 'rb') as file:
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ddsfile = dds.DDSFile(file)
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# check its actually dxt5
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if ddsfile.four_cc != 'DXT5':
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print(f'[{argv}] file is not DXT5, aborting.')
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continue
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print(f'[{argv}] converting to DXT1')
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# make modifications
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ddsfile.four_cc = 'DXT1'
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ddsfile.textures = [tex.to_dxt1() for tex in ddsfile.textures]
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ddsfile.linear_size //= 2
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# write DDS file
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with open(path, 'wb') as file:
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ddsfile.write(file)
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