Astral Chain PTD text

extract_ptd.py

#Forked from NWPlayer123/extract_ptd.py
#thanks Simon for being a smartie
#unfinished, need to parse all the tables
#string_offset starts at +0x20 (header)
from struct import unpack
import sys
sys.argv.append("Hud_text_CNzh.bin")

def read16(f):
    return unpack("<H", f.read(2))[0]

def read32(f):
    return unpack("<I", f.read(4))[0]

def getstr(f):
    ret = b"";char = f.read(1)
    while char != b"\x00":
        ret += char
        char = f.read(1)
    return ret



with open(sys.argv[1], "rb") as f:
    outname = sys.argv[1][:-4]
    base = f.tell()
    header1 = unpack("<4s6I", f.read(0x1C))
    f.seek(base + header1[6])
    # print("%08X" % f.tell())
    base = f.tell()
    header2 = unpack("<6I", f.read(0x18))
    f.seek(base + header2[4])
    # print("%08X" % f.tell())
    base = f.tell()
    header3 = unpack("<6I", f.read(0x18))
    entries3 = [unpack("<4I", f.read(0x10)) for i in range(header3[4])]
    # print("%08X" % f.tell())
    
    blobsize = (header3[5] + 0xC) - (0x18 + (0x10 * header3[4]))
    byte_array = []
    for i in range(blobsize):
        byte_array.append((ord(f.read(1)) - 0x26) % 256)
    raw_string = bytes(byte_array).decode("utf-16-le")
    with open(f"{outname}.txt", "w", -1, "utf-8") as o:
        o.write(raw_string.replace("\r\n", "\\n").replace("\0", "\n"))
    f.seek(base + header3[5] + 0xC)
    # print("%08X" % f.tell())
    base = f.tell()
    
    #entries = [unpack("<4I", f.read(0x10)) for i in range(header[0])]
    '''f.seek(0x91DE)
    with open("fuck.txt", "wb") as o:
        for i in range(0x56CE):
            o.write(chr(ord(f.read(1)) - 0x26))
        #o.write("".join(output))'''
    '''f.seek(0x00041BD0 + 0x20)
    stuff = [chr(ord(f.read(1)) - 0x26) for i in range(0x20)]
    print("".join(stuff).decode("UTF-16-LE"))'''
    '''for i in range(header[0] - 1):
        print("%08X" % (entries[i+1][0] - entries[i][0]))
        print("%08X %08X %08X %08X" % entries[i])'''