c#植物大战僵尸素材提取

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string
path = textBox1.Text;

            FileStream fs = File.OpenRead(path);

            byte[] bytes = new
byte[fs.Length];

            fs.Read(bytes, 0, bytes.Length);

            fs.Close();

            for
(int
i = 0; i < bytes.Length; i++)

            {

                bytes[i] = (byte)(bytes[i] ^ 0xF7);

            }

            int
i2 = 9;

            int
endTag;

            List<mFileInfo> files = new
List<mFileInfo>();

            do

            {

                int
fileNameLength = bytes[i2];

                i2++;

                string
fileName = Encoding.ASCII.GetString(bytes, i2, fileNameLength);

                i2 += fileNameLength;

                int
fileLength = BitConverter.ToInt32(bytes, i2);

                i2 += 4;

                string
unKnow = Encoding.ASCII.GetString(bytes, i2, 8);

                i2 += 8;

                endTag = bytes[i2];

                Debug.Print("length:{0} name:{1} fileLength:{2} endTag{3}", fileNameLength, fileName, fileLength, endTag);

                i2++;

                files.Add(new
mFileInfo() { mfileName = fileName, mfileSize = fileLength });

            } while
(endTag == 0);

            string
mainPath = textBox2.Text;

            progressBar1.Maximum = files.Count;

            foreach
(mFileInfo mfInfo in
files)

            {

                progressBar1.Value++;

                string[] strings = mfInfo.mfileName.Split(‘\\‘);

                string
tempPath = mainPath;

                if
(strings.Length > 1)

                {

                    for
(int
i3 = 0; i3 < strings.Length - 1; i3++)

                    {

                        if
(!Directory.Exists(tempPath + strings[i3]))

                        {

                            Directory.CreateDirectory(tempPath + strings[i3]);

                        }

                        tempPath += strings[i3] + "\\";

                    }

                }

                FileStream fs2 = new
FileStream(mainPath + mfInfo.mfileName, FileMode.Create);

                fs2.Write(bytes, i2, mfInfo.mfileSize);

                fs2.Flush();

                fs2.Close();

                i2 += mfInfo.mfileSize;

            }