Kaisaan/lostkefin
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Update extract.py

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Kaisaan 2025-05-04 21:33:23 -04:00
parent a6ab1e475a
commit 0faa8602ae
1 changed files with 57 additions and 24 deletions
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extract.py
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@ -1,26 +1,24 @@
# todo: extract all the files into their appropirate folders (using fileorder)
# also turn the functions into while loops? pass start and end address
import os
slpm = open("extracted/SLPM_663.60", "rb")
datafile = open('extracted/DATA.BIN', 'rb')
fileptrstart = 0x001829D0
fileptrend = 0x001875E0
fileptr = fileptrstart
logfile = open("logfile.txt", "w", encoding="shift-jis")
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")
def extractfile(address, file):
while fileptr < fileptrend:
os.makedirs(f"{file}", exist_ok=True)
slpm.seek(fileptr)
datafile = open(f"extracted/{file}.BIN", 'rb')
slpm.seek(address)
filenameptr = slpm.read(4)
filesize = slpm.read(4)
filesectorstart = slpm.read(4)
@ -43,25 +41,32 @@ while fileptr < fileptrend:
datafile.seek(filesectorstart)
filedata = datafile.read(filesize)
newfile = open(f"DATA/{filename}", "wb")
newfile = open(f"{file}/{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")
return f"Address: {address:X}\tFile name: {filename}\tFilename location: {filenameloc:X}\tFilename pointer: {filenameptr:X}\tFile size: {filesize:X}\tFile data start in {file}.BIN: {filesectorstart:X}\tFile data sector size: {filesectorsize:X}"
fileorder = 0
fileptrstart = 0x001829D0
fileptrend = 0x001875E0
fileptr = fileptrstart
logfile.write("\nDATA.BIN Files\n\n")
while fileptr < fileptrend:
logfile.write(f"{extractfile(fileptr, "DATA")}\tindex {fileorder}\n")
fileptr += 16
fileorder += 1
logfile.write("\nDATA.BIN Folders\n\n")
def extractfolder(address, file):
folderptrstart = 0x001875E0
folderptrend = 0x00187A18
folderptr = folderptrstart
while folderptr < folderptrend:
slpm.seek(folderptr)
slpm.seek(address)
foldernameptr = slpm.read(4)
folderorderstart = slpm.read(4)
foldercount = slpm.read(4)
@ -76,8 +81,36 @@ while folderptr < folderptrend:
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)
os.makedirs(f"{file}/{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")
return f"Address: {address:X}\tFolder name: {foldername}\tFoldername location: {foldernameloc:X}\tFilename pointer: {foldernameptr:X}\tFolder Order start {folderorderstart}\tFolder file count: {foldercount}\n"
logfile.write("\nDATA.BIN Folders\n\n")
folderptrstart = 0x001875E0
folderptrend = 0x00187A18
folderptr = folderptrstart
while folderptr < folderptrend:
logfile.write(f"{extractfolder(folderptr, "DATA")}")
folderptr += 12
# DATA0.BIN extractions
fileorder = 0
fileptrstart = 0x187A40
fileptrend = 0x18E7C0
fileptr = fileptrstart
logfile.write("\nDATA.BIN Files\n\n")
while fileptr < fileptrend:
logfile.write(f"{extractfile(fileptr, "DATA0")}\tindex {fileorder}\n")
fileptr += 16
fileorder += 1