void rgFrame::ExtractFile(wxString infile, wxString path, bool islog)
{
    wxMessageDialog *Msg_Dialog = NULL;
    unsigned char buf[1024];
    wxString outfile,logfile;
    SubInfo tmpInfo;
    vector<SubInfo> SubFileInfo;
    SubFileInfo.clear();
    unsigned long flag = 0, flag1 = 0;
    unsigned long magickey = 0xDEADCAFE;
    WCHAR wch_tmp[256];
    char endofline[] = {0x0D, 0x0A};

    wxFileInputStream rgssad_file(infile);
    wxFile sp_file;

    if (!rgssad_file.IsOk())
    {
        Msg_Dialog = new wxMessageDialog(NULL, wxT("ｴｪRGSSADﾎﾄｼﾊｧｰﾜ"), wxT("error"), wxOK | wxICON_ERROR);
        Msg_Dialog->ShowModal();
        delete Msg_Dialog;
        Msg_Dialog = NULL;
        return;
    }
    rgssad_file.Read(&flag, 4);
    rgssad_file.Read(&flag1, 4);
    if (flag != 0x53534752 || flag1 != 0x01004441)
    {
        Msg_Dialog = new wxMessageDialog(NULL, wxT("ﾕ箚ｻﾊﾇﾒｻｸﾐﾐｧｵﾄRGSSADﾎﾄｼ"), wxT("error"), wxOK | wxICON_ERROR);
        Msg_Dialog->ShowModal();
        delete Msg_Dialog;
        Msg_Dialog = NULL;
        return;
    }

    logfile.Printf("%srgssad_sp.log", path);
    wxFileOutputStream *log_file = NULL;
    if(islog)
    {
        log_file = new wxFileOutputStream(logfile);
    }

    // ｿｪﾊｼｷﾖﾎﾄｼ
    rgssad_file.Read(&tmpInfo.filenamesize, 4);
    while(!rgssad_file.Eof())
    {
        tmpInfo.filenamesize ^= magickey;
        magickey = magickey * 7 + 3;
        rgssad_file.Read(tmpInfo.filename, tmpInfo.filenamesize);
        for(unsigned long i = 0; i < tmpInfo.filenamesize; i++)
        {
            tmpInfo.filename[i] ^= magickey & 0xFF;
            magickey = magickey * 7 + 3;
        }
        tmpInfo.filename[i] = 0;
        MultiByteToWideChar(CP_UTF8, 0, tmpInfo.filename, -1, wch_tmp, 256);
        WideCharToMultiByte(CP_ACP, 0, wch_tmp, -1, tmpInfo.filename, 256, NULL, NULL);
        rgssad_file.Read(&tmpInfo.filesize, 4);
        tmpInfo.filesize ^= magickey;
        magickey = magickey * 7 + 3;
        tmpInfo.offset = rgssad_file.TellI();
        tmpInfo.magickey = magickey;
        SubFileInfo.push_back(tmpInfo);
        rgssad_file.SeekI(tmpInfo.filesize, wxFromCurrent);
        rgssad_file.Read(&tmpInfo.filenamesize, 4);
    }

    // reset wxGauge
    m_gauge1->SetRange(SubFileInfo.size());

    // ｿｪﾊｼｷﾖｽ簧ﾄｼ
    unsigned long leftsize;
    for(unsigned long i = 0; i < SubFileInfo.size(); i++)
    {
        outfile.Printf("%s%s", path, SubFileInfo[i].filename);
        sp_file.Open(outfile, wxFile::write);
        if(!sp_file.IsOpened())
        {
            check_path(outfile);
            sp_file.Open(outfile, wxFile::write);
            if(!sp_file.IsOpened())
            {
                if(log_file)
                {
                    outfile += " failed.";
                    log_file->Write(outfile, outfile.Len());
                    log_file->Write(endofline, 2);
                }
                continue;
            }
        }
        rgssad_file.SeekI(SubFileInfo[i].offset, wxFromStart);
        magickey = SubFileInfo[i].magickey;
        leftsize = SubFileInfo[i].filesize;
        unsigned long j = 0;
        while(leftsize > 1023)
        {
            rgssad_file.Read(buf, 1024);
            for(j = 0; j < 1024; j+=4)
            {
                *(unsigned long *)(&buf[j]) ^= magickey;
                magickey = magickey * 7 + 3;
            }
            sp_file.Write(buf, 1024);
            leftsize -= 1024;
        }
        rgssad_file.Read(buf, leftsize);
        for(j = 0; j < leftsize; j+=4)
        {
            *(unsigned long *)(&buf[j]) ^= magickey;
            magickey = magickey * 7 + 3;
        }
        sp_file.Write(buf, leftsize);
        sp_file.Close();
        if(log_file)
        {
            outfile += " done.\n";
            log_file->Write(outfile, outfile.Len());
            log_file->Write(endofline, 2);
        }
        m_gauge1->SetValue(i);
    }
    m_gauge1->SetValue(i);
    delete log_file;
    Msg_Dialog = new wxMessageDialog(NULL, wxT("ｽ箍・・ﾏ"), wxT("haha"), wxOK | wxICON_INFORMATION);
    Msg_Dialog->ShowModal();
    delete Msg_Dialog;
}