evtlodfix.py

import os
import sys
import zlib

def eprint(*args, **kwargs):
    print(*args, file=sys.stderr, **kwargs)


#class Dungeon:
trees="/mnt/Users/Daniel/Downloads/Enhanced Vanilla Trees New/"
oldtrees="/mnt/Users/Daniel/Downloads/Enhanced Vanilla Trees Old/"
bbdir="Billboards"
dup="8CCD246F"
duph=""

#print(coords)
#sys.exit(0)
i=0
hashes={}
def hexy(x):
    hex_result=hex(x)[2:]
    num_hex_chars = len(hex_result)
    extra_zeros = '0' * (8 - num_hex_chars)
    return (extra_zeros+hex_result).upper()

def eprint(*args, **kwargs):
    print(*args, file=sys.stderr, **kwargs)

def cp(inf, outf):
#    print("Moving "+inf+" to "+outf)
#    os.system("mv \""+inf+"\" \""+outf+"\"")
    print("mov \""+inf[11:]+"\" \""+outf[11:]+"\"")

def cp2(inf, outf):
#    print("Copying "+inf+" to "+outf)
#    os.system("cp \""+inf+"\" \""+outf+"\"")
    print("cp \""+inf[11:]+"\" \""+outf[11:]+"\"")

for fold, subdirs, files in os.walk(trees):
    #eprint(locf)
    for f in files:
        if f[-4:] !=".nif":
            continue
        oldf=open(fold.replace(trees,oldtrees)+"/"+f, 'rb')
        newf=open(fold+"/"+f, 'rb')
        ohash=hexy(zlib.crc32(oldf.read())&0xffffffff)
        nhash=hexy(zlib.crc32(newf.read())&0xffffffff)
        if ohash==dup and duph=="":
            duph=nhash
        else:
            if ohash in hashes and hashes[ohash]!= nhash:
                print("hash collision "+ohash)
            hashes[ohash]=nhash
#        print(ohash+": "+hashes[ohash])

for fold, subdirs, files in os.walk(bbdir):
    for f in files:
        if f[-4:] !=".nif":
            continue
        if f[-16:] != "passthru_lod.nif":
            eprint(f + " not passthru")
        if f[-17:-16] == "_":
            eprint(f+ " no hash")
        h=f[-24:-16]
        if h not in hashes:
            eprint("missing "+h+" for " + fold+"/"+f)
        else:
            if h==dup:
                cp2(fold+"/"+f,fold+"/"+f[:-24]+duph+"passthru_lod.nif")
            if h != hashes[h]:
                cp(fold+"/"+f,fold+"/"+f[:-24]+hashes[h]+"passthru_lod.nif")

#print(hashes)
#            d= Dungeon()
#            d.name=name