lostkefin/extract.py
2024-12-17 22:45:26 -05:00

84 lines
2.6 KiB
Python

import os
slpm = open("extracted/SLPM_663.60", "rb")
datafile = open('extracted/DATA.BIN', 'rb')
fileptrstart = 0x001829D0
fileptrend = 0x001875E0
fileptr = fileptrstart
baseptr = 0xFFF80
sector = 0x800
fileorder = 0
filenamesize = 32
terminator = "\x00"
logfile = open("logfile.txt", "w", encoding="shift-jis")
logfile.write("\nDATA.BIN Files\n\n")
while fileptr < fileptrend:
slpm.seek(fileptr)
filenameptr = slpm.read(4)
filesize = slpm.read(4)
filesectorstart = slpm.read(4)
filesectorsize = slpm.read(4)
filenameptr = int.from_bytes(filenameptr, "little")
filesize = int.from_bytes(filesize, "little")
filesectorstart = int.from_bytes(filesectorstart, "little")
filesectorsize = int.from_bytes(filesectorsize, "little")
filenameloc = filenameptr - baseptr
slpm.seek(filenameloc)
filename = slpm.read(filenamesize)
filename = filename.decode(encoding="shift-jis", errors="backslashreplace")
filename = filename[:filename.find(terminator)]
filesectorstart = filesectorstart * sector
filesectorsize = filesectorstart * sector
datafile.seek(filesectorstart)
filedata = datafile.read(filesize)
newfile = open(f"DATA/{filename}", "wb")
newfile.write(filedata)
newfile.close
logfile.write(f"Current Pointer: {fileptr:X}\tFile name: {fileorder:X} {filename}\tFilename location: {filenameloc:X}\tFilename pointer: {filenameptr:X}\tFile size: {filesize:X}\tFile data start in DATA.BIN: {filesectorstart:X}\tFile data sector size: {filesectorsize:X}\n")
fileptr += 16
fileorder += 1
logfile.write("\nDATA.BIN Folders\n\n")
folderptrstart = 0x001875E0
folderptrend = 0x00187A18
folderptr = folderptrstart
while folderptr < folderptrend:
slpm.seek(folderptr)
foldernameptr = slpm.read(4)
folderorderstart = slpm.read(4)
foldercount = slpm.read(4)
foldernameptr = int.from_bytes(foldernameptr, "little")
folderorderstart = int.from_bytes(folderorderstart, "little")
foldercount = int.from_bytes(foldercount, "little")
foldernameloc = foldernameptr - baseptr
slpm.seek(foldernameloc)
foldername = slpm.read(filenamesize)
foldername = foldername.decode(encoding="shift-jis", errors="backslashreplace")
foldername = foldername[:foldername.find(terminator)]
os.makedirs(f"C:/Users/kaisaan/Downloads/ps2 stuff/lostkefin/DATA/{foldername}", exist_ok=True)
logfile.write(f"Current Pointer: {folderptr:X}\tFolder name: {foldername}\tFoldername location: {foldernameloc:X}\tFilename pointer: {foldernameptr:X}\tFolder Order start {folderorderstart}\tFolder file count: {foldercount}\n")
folderptr += 12