2015-12-20 12:19:32 +01:00
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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("<4s2l").pack(b"PACK",0,0))
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#walk the directory recursively, add the files and record the file entries
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offset = 12
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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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2015-12-20 12:39:19 +01:00
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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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if(entry.filename.startswith(".git")):continue
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print "pak: "+entry.filename
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2015-12-20 12:19:32 +01:00
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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("<l").pack(entry.offset))
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pakfile.write(struct.Struct("<l").pack(entry.length))
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tablesize = tablesize + 64
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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("<4s2l").pack(b"PACK",offset,tablesize))
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