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https://github.com/grp/Wii.py.git
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Done with the data.bin unpacker
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Giuseppe (LemonBoy)
parent
94e23f2ade
commit
43a04d5915
1
Wii.py
1
Wii.py
@ -1,6 +1,7 @@
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__all__ = []
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from compression import *
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from savedata import *
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from disc import *
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from nand import *
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from title import *
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241
savedata.py
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241
savedata.py
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import os, hashlib, struct, subprocess, fnmatch, shutil, urllib, array
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import wx
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import png
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from hashlib import md5
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from Crypto.Cipher import AES
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from Struct import Struct
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from common import *
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from title import *
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class Savegame():
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class savegameHeader(Struct):
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__endian__ = Struct.BE
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def __format__(self):
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self.savegameId = Struct.uint32[2]
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self.bannerSize = Struct.uint32
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self.permissions = Struct.uint8
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self.unknown1 = Struct.uint8
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self.md5hash = Struct.uint32[4]
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self.unknown2 = Struct.uint16
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class savegameBanner(Struct):
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__endian__ = Struct.BE
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def __format__(self):
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self.magic = Struct.string(4)
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self.reserved = Struct.uint8[4]
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self.flags = Struct.uint32
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self.reserved = Struct.uint32[5]
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self.gameTitle = Struct.string(64)
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self.gameSubTitle = Struct.string(64)
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self.banner = Struct.uint8[24576]
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self.icon0 = Struct.uint8[4608]
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self.icon1 = Struct.uint8[4608]
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self.icon2 = Struct.uint8[4608]
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self.icon3 = Struct.uint8[4608]
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self.icon4 = Struct.uint8[4608]
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self.icon5 = Struct.uint8[4608]
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self.icon6 = Struct.uint8[4608]
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self.icon7 = Struct.uint8[4608]
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class backupHeader(Struct):
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__endian__ = Struct.BE
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def __format__(self):
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self.hdrSize = Struct.uint32
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self.magic = Struct.string(2)
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self.version = Struct.uint16
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self.NGid = Struct.uint32
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self.filesCount = Struct.uint32
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self.filesSize = Struct.uint32
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self.unknown1 = Struct.uint32
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self.unknown2 = Struct.uint32
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self.totalSize = Struct.uint32
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self.unknown3 = Struct.uint8[64]
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self.unknown4 = Struct.uint32
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self.gameId = Struct.string(4)
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self.wiiMacAddr = Struct.uint8[6]
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self.unknown6 = Struct.uint16
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self.padding = Struct.uint32[4]
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class fileHeader(Struct):
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__endian__ = Struct.BE
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def __format__(self):
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self.magic = Struct.uint32
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self.size = Struct.uint32
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self.permissions = Struct.uint8
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self.attribute = Struct.uint8
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self.type = Struct.uint8
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self.nameIV = Struct.string(0x45)
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def __init__(self, f):
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self.f = f
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try:
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self.fd = open(f, 'r+b')
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except:
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raise Exception('Cannot open input')
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self.sdKey = '\xab\x01\xb9\xd8\xe1\x62\x2b\x08\xaf\xba\xd8\x4d\xbf\xc2\xa5\x5d'
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self.sdIv = '\x21\x67\x12\xe6\xaa\x1f\x68\x9f\x95\xc5\xa2\x23\x24\xdc\x6a\x98'
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self.iconCount = 1
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def __str__(self):
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ret = ''
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ret += '\nSavegame header \n'
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ret += 'Savegame ID : 0x%x%x\n' % (self.hdr.savegameId[0], self.hdr.savegameId[1])
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ret += 'Banner size : 0x%x\n' % self.hdr.bannerSize
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ret += 'Permissions : 0x%x\n' % self.hdr.permissions
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ret += 'Unknown : 0x%x\n' % self.hdr.unknown1
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ret += 'MD5 hash : 0x%x%x%x%x\n' % (self.hdr.md5hash[0], self.hdr.md5hash[1], self.hdr.md5hash[2], self.hdr.md5hash[3])
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ret += 'Unknown : 0x%x\n' % self.hdr.unknown2
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ret += '\nBanner header \n'
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ret += 'Flags : 0x%x\n' % self.bnr.flags
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ret += 'Game title : %s\n' % self.bnr.gameTitle
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ret += 'Game subtitle : %s\n' % self.bnr.gameSubTitle
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ret += '\nBackup header \n'
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ret += 'Header size : 0x%x (+ 0x10 of padding) version 0x%x\n' % (self.bkHdr.hdrSize, self.bkHdr.version)
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if self.bkHdr.gameId[3] == 'P':
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ret += 'Region : PAL\n'
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elif self.bkHdr.gameId[3] == 'E':
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ret += 'Region : NTSC\n'
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elif self.bkHdr.gameId[3] == 'J':
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ret += 'Region : JAP\n'
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ret += 'Game ID : %s\n' % self.bkHdr.gameId
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ret += 'Wii unique ID : 0x%x\n' % self.bkHdr.NGid
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ret += 'Wii MAC address %02x:%02x:%02x:%02x:%02x:%02x\n' % (self.bkHdr.wiiMacAddr[0], self.bkHdr.wiiMacAddr[1], self.bkHdr.wiiMacAddr[2], self.bkHdr.wiiMacAddr[3], self.bkHdr.wiiMacAddr[4], self.bkHdr.wiiMacAddr[5])
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ret += 'Found %i files for %i bytes\n' % (self.bkHdr.filesCount, self.bkHdr.filesSize)
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ret += 'Total size : %i bytes\n' % self.bkHdr.totalSize
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return ret
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def extractFiles(self):
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try:
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os.mkdir(os.path.dirname(self.f) + '/' + self.bkHdr.gameId)
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except:
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pass
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os.chdir(os.path.dirname(self.f) + '/' + self.bkHdr.gameId)
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self.fd.seek(self.fileStartOffset)
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for i in range(self.bkHdr.filesCount):
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fileHdr = self.fd.read(0x80)
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fileHdr = self.fileHeader().unpack(fileHdr)
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if fileHdr.magic != 0x03adf17e:
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raise Exception('Wrong file magic')
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fileHdr.size = align(fileHdr.size, 64)
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ivpos = 0
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name = ""
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i = 0
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for char in list(fileHdr.nameIV):
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if(char == "\x00"):
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i -= 1
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ivpos = i
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break
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else:
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name += char
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i += 1
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fileIV = fileHdr.nameIV[ivpos:ivpos + 16]
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if len(fileIV) != 16:
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raise Exception('IV alignment issue')
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if fileHdr.type == 1:
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print 'Extracted %s (%ib)' % (name, fileHdr.size)
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fileBuffer = self.fd.read(fileHdr.size)
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fileBuffer = Crypto().DecryptData(self.sdKey, fileIV, fileBuffer, True)
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try:
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open(name, 'w+b').write(fileBuffer)
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except:
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raise Exception('Cannot write the output')
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elif fileHdr.type == 2:
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print 'Extracted folder %s' % name
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try:
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os.mkdir(name)
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except:
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pass
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print 'Attribute %i Permission %i' % (fileHdr.attribute, fileHdr.permissions)
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print 'File IV : 0x%s' % hexdump(fileIV, '')
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os.chdir('..')
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def analyzeHeader(self):
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headerBuffer = self.fd.read(0xF0C0)
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headerBuffer = Crypto().DecryptData(self.sdKey, self.sdIv, headerBuffer, True)
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self.hdr = self.savegameHeader().unpack(headerBuffer[:0x20])
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#MD5 check fail always ...
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#list(headerBuffer)[0x000E:0x001E] = '\x0e\x65\x37\x81\x99\xbe\x45\x17\xab\x06\xec\x22\x45\x1a\x57\x93'
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#print '0x%x%x%x%x %s' % (self.hdr.md5hash[0], self.hdr.md5hash[1], self.hdr.md5hash[2], self.hdr.md5hash[3], hashlib.md5(headerBuffer[:0x20]).hexdigest())
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self.bnr = self.savegameBanner().unpack(headerBuffer[0x20:])
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if self.bnr.magic != 'WIBN':
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raise Exception ('Wrong magic, should be WIBN')
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if self.hdr.bannerSize == 0xF0C0:
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self.iconCount += 7
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bkHdrBuffer = self.fd.read(0x80)
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self.bkHdr = self.backupHeader().unpack(bkHdrBuffer)
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if self.bkHdr.magic != 'Bk' or self.bkHdr.hdrSize != 0x70:
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raise Exception ('Bk header error')
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self.fileStartOffset = self.fd.tell()
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def getBanner(self):
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open('bnr.bin', 'w+b').write(struct.pack('24576I', *self.bnr.banner))
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def getIcon(self, index):
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if index < 0 or index > 7 or index > self.iconCount:
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return -1
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if index == 0:
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return self.bnr.icon0
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if index == 1:
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return self.bnr.icon1
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if index == 2:
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return self.bnr.icon2
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if index == 3:
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return self.bnr.icon3
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if index == 4:
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return self.bnr.icon4
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if index == 5:
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return self.bnr.icon5
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if index == 6:
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return self.bnr.icon6
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if index == 7:
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return self.bnr.icon7
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def getIconsCount(self):
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return self.iconCount
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def getSaveString(self, string):
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if string == 'GAMEID':
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return self.bkHdr.gameId
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elif string == 'GAMETITLE':
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return self.bnr.gameTitle
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elif string == 'GAMESUBTITLE':
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return self.bnr.gameSubTitle
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def getFilesCount(self):
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return self.bkHdr.filesCount
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