61 lines
1.7 KiB
Python
61 lines
1.7 KiB
Python
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import struct
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import sys
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def extract_3ds_texture_paths(three_ds_path):
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"""
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Reads a .3ds file and returns a list of referenced texture filenames.
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Args:
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three_ds_path (str): Path to the .3ds file.
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Returns:
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List[str]: Texture filenames referenced in the .3ds file.
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"""
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paths = []
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with open(three_ds_path, 'rb') as f:
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while True:
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header = f.read(6)
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if len(header) < 6:
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break
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chunk_id, chunk_len = struct.unpack('<HI', header)
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data_len = chunk_len - 6
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if chunk_id == 0xA300: # Mapping Filename
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name_bytes = b''
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# Read until null terminator
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while True:
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c = f.read(1)
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if not c or c == b'\x00':
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break
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name_bytes += c
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try:
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name = name_bytes.decode('ascii')
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except UnicodeDecodeError:
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name = name_bytes.decode('latin-1')
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paths.append(name)
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# Skip any leftover bytes in this chunk
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f.seek(data_len - len(name_bytes) - 1, 1)
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else:
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# Skip this chunk's data
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f.seek(data_len, 1)
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return paths
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def main():
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if len(sys.argv) != 2:
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print(f"Usage: python {sys.argv[0]} <path/to/model.3ds>")
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sys.exit(1)
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input_path = sys.argv[1]
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textures = extract_3ds_texture_paths(input_path)
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if textures:
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print("Referenced textures:")
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for tex in textures:
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print(f"- {tex}")
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else:
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print("No texture filenames found in the .3ds file.")
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if __name__ == '__main__':
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main()
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