54 lines
1.6 KiB
Python
54 lines
1.6 KiB
Python
#
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# Copyright (C) 2013 The Tome of Preach
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# Copyright (C) 2025 kotofyt
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#
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# This script implement generator of 64 bit version of pak.
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# Basically all size 32 bit offsets and sizes replaced with 64 bit values
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#
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# Original source code is available at https://tomeofpreach.wordpress.com/2013/06/22/makepak-py/
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#
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import sys
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import struct
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import os
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#dummy class for stuffing the file headers into
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class FileEntry:
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pass
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#arguments are source directory, then target filename e.g. "pak1.pak"
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rootdir = sys.argv[1]
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pakfilename = sys.argv[2]
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pakfile = open(pakfilename,"wb")
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#write a dummy header to start with
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pakfile.write(struct.Struct("<8s2q").pack(b"rttpacku",0,0))
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#walk the directory recursively, add the files and record the file entries
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offset = 24
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fileentries = []
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for root, subFolders, files in os.walk(rootdir):
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for file in files:
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entry = FileEntry()
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impfilename = os.path.join(root,file)
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entry.filename = os.path.relpath(impfilename,rootdir).replace("\\","/")
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with open(impfilename, "rb") as importfile:
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pakfile.write(importfile.read())
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entry.offset = offset
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entry.length = importfile.tell()
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offset = offset + entry.length
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fileentries.append(entry)
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tablesize = 0
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#after all the file data, write the list of entries
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for entry in fileentries:
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pakfile.write(struct.Struct("<56s").pack(entry.filename.encode("ascii")))
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pakfile.write(struct.Struct("<q").pack(entry.offset))
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pakfile.write(struct.Struct("<q").pack(entry.length))
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tablesize = tablesize + 72
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#return to the header and write the values correctly
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pakfile.seek(0)
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pakfile.write(struct.Struct("<8s2q").pack(b"rttpacku",offset,tablesize))
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