示例#1
0
        private void LoadPluginData(FileStream fs, bool headerOnly, string[] recFilter) //LoadPluginData(BinaryReader br, bool headerOnly, string[] recFilter)
        {
            bool oldHoldUpdates = HoldUpdates;
            SnipStreamWrapper snipStreamWrapper = null;

            try
            {
                ZLibWrapper.AllocateBuffers();
                RecordsTace.InitListOfRecords();
                snipStreamWrapper = new SnipStreamWrapper(fs);
                //BinaryReader br = new BinaryReader(fs);

                string s;
                uint   recsize;
                bool   IsOblivion = false;

                this.Filtered = recFilter != null && recFilter.Length > 0;

                HoldUpdates = true;

                s = ReadRecName(snipStreamWrapper.ReadBytes(4)); //s = ReadRecName(br);
                if (s != "TES4")
                {
                    throw new Exception("File is not a valid TES4 plugin (Missing TES4 record)");
                }

                // Check for file version by checking the position of the HEDR field in the file. (ie. how big are the record header.)
                snipStreamWrapper.JumpTo(20, SeekOrigin.Begin);  //br.BaseStream.Position = 20;
                s = ReadRecName(snipStreamWrapper.ReadBytes(4)); //s = ReadRecName(br);
                if (s == "HEDR")
                {
                    // Record Header is 20 bytes
                    IsOblivion = true;
                }
                else
                {
                    s = ReadRecName(snipStreamWrapper.ReadBytes(4)); //s = ReadRecName(br);
                    if (s != "HEDR")
                    {
                        throw new Exception("File is not a valid TES4 plugin (Missing HEDR subrecord in the TES4 record)");
                    }

                    // Record Header is 24 bytes. Or the file is illegal
                }

                snipStreamWrapper.JumpTo(4, SeekOrigin.Begin); //br.BaseStream.Position = 4;
                recsize = snipStreamWrapper.ReadUInt32();      //recsize = br.ReadUInt32();
                try
                {
                    this.AddRecord(new Record("TES4", recsize, snipStreamWrapper, IsOblivion));
                }
                catch (Exception e)
                {
                    MessageBox.Show(e.Message);
                }

                if (!headerOnly)
                {
                    while (!snipStreamWrapper.Eof())                           //while (br.PeekChar() != -1)
                    {
                        s       = ReadRecName(snipStreamWrapper.ReadBytes(4)); //s = ReadRecName(br);
                        recsize = snipStreamWrapper.ReadUInt32();              //recsize = br.ReadUInt32();
                        if (s == "GRUP")
                        {
                            try
                            {
                                this.AddRecord(new GroupRecord(recsize, snipStreamWrapper, IsOblivion, recFilter, false)); //this.AddRecord(new GroupRecord(recsize, br, IsOblivion, recFilter, false));
                            }
                            catch (Exception e)
                            {
                                MessageBox.Show(e.Message);
                            }
                        }
                        else
                        {
                            bool skip = recFilter != null && Array.IndexOf(recFilter, s) >= 0;
                            if (skip)
                            {
                                long size = recsize + (IsOblivion ? 8 : 12);
                                if ((snipStreamWrapper.ReadUInt32() & 0x00040000) > 0) //if ((br.ReadUInt32() & 0x00040000) > 0)
                                {
                                    size += 4;                                         // Add 4 bytes for compressed record since the decompressed size is not included in the record size.
                                }

                                snipStreamWrapper.JumpTo((int)size, SeekOrigin.Current);  //br.BaseStream.Position += size; // just position past the data
                            }
                            else
                            {
                                try
                                {
                                    this.AddRecord(new Record(s, recsize, snipStreamWrapper, IsOblivion)); //this.AddRecord(new Record(s, recsize, br, IsOblivion));
                                }
                                catch (Exception e)
                                {
                                    MessageBox.Show(e.Message);
                                }
                            }
                        }
                    }
                }
            }
            finally
            {
                snipStreamWrapper.CloseAndDisposeFileStream();
                snipStreamWrapper = null;
                Clipboard.SetText("CompressedRecords:" + Environment.NewLine +
                                  string.Join <string>(string.Empty, RecordsTace.CompressedRecords) +
                                  "AllRecords:" + Environment.NewLine +
                                  string.Join <string>(string.Empty, RecordsTace.AllRecords) +
                                  "Max Size:" +
                                  ZLibWrapper.MaxOutputBufferPosition.ToString(CultureInfo.InvariantCulture));
                ZLibWrapper.ReleaseBuffers();
                ZLib.ReleaseInflater();
                HoldUpdates = oldHoldUpdates;
                FireRecordListUpdate(this, this);
            }
        }