[Umodel/NMH3 ] WIP NMH3 texture fixer script. credit: CABALEX

ubulkFixer.py

import os
from shutil import move


def findBlocksize(filesize):
    print("Filesize for loaded file: " , filesize)
    d = {
        # texture w/h -> blocksize

        # 0 = UNKNOWN
        64: 0,
        128: 0,
        256: 0,
        512: 256,
        1024: 256,
        2048: 256
    }
    if filesize > 150000:
        return d[1024]
    else:
        return d[256] 

dir_path = os.path.dirname(os.path.realpath(__file__))
files = [f for f in os.listdir(dir_path) if os.path.isfile(os.path.join(dir_path,f))]
ubulk = []

for f in files:
    if ".ubulk" in f:
        ubulk.append(f)
print("Files to convert: " , ubulk)

for f in ubulk:
    fin = f
    fout = fin.replace(".", "-new.")
    filesize = os.path.getsize(fin)
    blocksize = findBlocksize(filesize)
    print("CURRENT FILE: " , f)
    print("BLOCKSIZE FOR CURRENT FILE: " , blocksize)

    f = open(fout, "wb")
    blocksize *= 16

    with open(fin, 'rb') as raw:
        while raw.tell() < filesize:
            bs = raw.read(blocksize)
            if bs == b"".join([b'\x00'] * blocksize):
                continue
            f.write(bs)
    while f.tell() < filesize:
        f.write(b"".join([b'\x00'] * blocksize))
    f.close()
    os.remove(fin)s
    move(fout, fin)
    print("done")