C# FileStream.ReadValueU32方法代码示例

 public bool isTFCCompressed()
 {
     FileStream fs = new FileStream(filename, FileMode.Open, FileAccess.Read);
     fs.Seek(16, SeekOrigin.Begin);
     uint magic = fs.ReadValueU32();
     fs.Close();
     return (magic == 0x9E2A83C1) || (magic.Swap() == 0x9E2A83C1);
 }

        public static unsafe int Patch(string hPatchs, string hSources, string    hDests,ProgressBar pBar,Label lab,int FileID)
        {
            try
            {
                if (pBar.InvokeRequired == true)
                {
                    SetValue PSetValue = new SetValue(DoSetValue);
                    SetText LSetText = new SetText(DoSetText);
                    pBar.Invoke(PSetValue, new Object[] { pBar, 0 });
                    lab.Invoke(LSetText, new Object[] { lab, "0%" });
                }
                UInt32 BLOCKSIZE = 16384;
                UInt32 temp = 0;
                UInt32 read;
                byte[] source_md5 = new byte[16];
                byte[] patch_dest_md5 = new byte[16];
                byte[] block = new byte[BLOCKSIZE];
                int MD5Mode = 0;
                UInt32 patches = 0;
                int already_uptodate = 0,j=1;
                double blocks;
                FILETIME targetModifiedTime;
                DateTime dte = new DateTime() ;
                //write回调方法
                FileStream Patchs = new FileStream(hPatchs, FileMode.Open, FileAccess.Read, FileShare.Read);
                FileStream Sources = new FileStream(hSources, FileMode.Open, FileAccess.Read, FileShare.Read);
                FileStream Dests = new FileStream(hDests, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite);
                Hashtable Data = Program.filehash;
                // special 'addition' for the dll: since the patch file is now
                // in a seperate file, the VPAT header might be right at the start
                // of the file, and a pointer at the end of the file is probably missing
                // (because all patch generator versions don't append it, the linker/gui
                //  does this).
                Patchs.Seek(0, SeekOrigin.Begin);
                temp = Patchs.ReadValueU32(); read = 4;
                // it's not at the start of file -> there must be a pointer at the end of
                // file then
                if (temp != 0x54415056)
                {
                    Patchs.Seek(-4, SeekOrigin.End);
                    temp = Patchs.ReadValueU32(); read = 4;
                    Patchs.Seek(temp, SeekOrigin.Begin);
                    temp = Patchs.ReadValueU32(); read = 4;
                    if (temp != 0x54415056)
                        return result.PATCH_CORRUPT;
                }

                // target file date is by default the current system time
                GetSystemTimeAsFileTime(&targetModifiedTime);

                // read the number of patches in the file
                patches = Patchs.ReadValueU32(); read = 4;
                if (Convert.ToBoolean(patches & 0x80000000)) MD5Mode = 1;
                // MSB is now reserved for future extensions, anyone wanting more than
                // 16 million patches in a single file is nuts anyway
                patches = patches & 0x00FFFFFF;

                if (!Convert.ToBoolean(MD5Mode))
                {
                    return result.PATCH_UNSUPPORTED;
                }
                else
                {
                    source_md5 = checksum.FileMD5(Sources, Data, FileID,Program.AdvMOD);
                    if (source_md5 == null)
                        return result.PATCH_ERROR;
                }

                //pBar.Maximum = Convert.ToInt32(patches);
                while (Convert.ToBoolean(patches--))
                {
                    int patch_blocks = 0, patch_size = 0;

                    // flag which needs to be set by one of the checksum checks
                    int currentPatchMatchesChecksum = 0;

                    // read the number of blocks this patch has
                    patch_blocks = Convert.ToInt32(Patchs.ReadValueU32()); blocks = patch_blocks; read = 4;
                    if (!Convert.ToBoolean(patch_blocks))
                    {
                        return result.PATCH_CORRUPT;
                    }
                    if (pBar.InvokeRequired == true)
                    {
                        SetValue PSetValue = new SetValue(DoSetMax);
                        pBar.Invoke(PSetValue, new Object[] { pBar, Convert.ToInt32(patch_blocks) });
                    }
                    // read checksums
                    if (!Convert.ToBoolean(MD5Mode))
                    {
                        return result.PATCH_UNSUPPORTED;
                    }
                    else
                    {
                        int md5index;
                        byte[] patch_source_md5 = new byte[16];
                        patch_source_md5 = Patchs.ReadBytes(16); read = 16;
                        if (patch_source_md5 == null)
                        {
                            return result.PATCH_CORRUPT;
//.........这里部分代码省略.........

        public IEnumerable<IResult> ReadSave()
        {
            string fileName = null;

            MyOpenFileResult ofr;

            ofr = new MyOpenFileResult()
                .FilterFiles(
                    ffc => ffc.AddFilter("sav", true)
                               .WithDescription("Borderlands 2 Save Files")
                               .AddAllFilesFilter())
                .WithFileDo(s => fileName = s);

            if (string.IsNullOrEmpty(this._SavePath) == false &&
                Directory.Exists(this._SavePath) == true)
            {
                ofr = ofr.In(this._SavePath);
            }

            yield return ofr;
            if (fileName == null)
            {
                yield break;
            }

            ///////////////////////////////////////////
            //SPITFIRE1337 MODS
            ///////////////////////////////////////////

            string path = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
            //using (FileStream fs = File.Create(path)) { }
            File.Delete(path + "/mytempsave.sav");
            File.Delete(path + "/savegame.sav");
            File.Copy(fileName, path + "/mytempsave.sav");
            string profileid = "";
            string deviceid = "";
            string consoleid = "";


            Stream input1 = new FileStream(fileName, FileMode.Open);

            // Ensure that the target does not exist.



            //Stream input = new Stream(fs);
            var check = input1.ReadValueU32(Endian.Big);

            input1.Close();

            if (check == 0x434F4E20)
            {
                //MessageBox.Show("This is a xbox save");

                yield return new DelegateResult(() =>
                {
                    DJsIO io = new DJsIO(fileName, DJFileMode.Open, true);

                    io.Position = 0x371;
                    profileid = io.ReadHexString(8); //Profile ID
                    io.Close();
                })
    .Rescue().Execute(
        x =>
        new MyMessageBox("An exception was thrown (press Ctrl+C to copy):\n\n" + x.ToString(),
                         "Error")
            .WithIcon(MessageBoxImage.Error).AsCoroutine());


                STFSPackage xPackage = new STFSPackage(fileName, null);
                FileEntry xent = (FileEntry)xPackage.GetFile("savegame.sav");

                if (!xent.Extract(path + "/savegame.sav"))
                {
                    //MessageBoxEx.Show("Extraction Failed!", "Failed!", MessageBoxButtons.OK, MessageBoxIcon.[Error])
                    //xboxextract.ReportProgress(200, "Extraction Failed");
                    //Thread.Sleep(2000);
                    //Return
                    MessageBox.Show("Could not extract savegame.sav. Please use a program like modio or horizon to extract your savegame.sav");
                }
                else
                {


                    fileName = path + "/savegame.sav";
                    //MessageBox.Show("File extracted");
                    //Thread.Sleep(2000);
                    //MessageBoxEx.Show("Extraction Complete!", "Complete!", MessageBoxButtons.OK, MessageBoxIcon.Information)
                }

            }
            else
            {
                profileid = "0";
                deviceid = "0";
                consoleid = "0";
            }

            yield return new DelegateResult(() =>
            {
//.........这里部分代码省略.........