示例#1
0
        public static Node[] GetNodes(byte[] bytes, string parent_file, AldFileEntry parent)
        {
            List <Node> list = new List <Node>();

            using (var ms1 = new MemoryStream(bytes))
                using (var brfile = new BinaryReader(ms1))
                    while (brfile.BaseStream.Position < brfile.BaseStream.Length)
                    {
                        long tag_start_offset = brfile.BaseStream.Position;
                        var  tag = (new Tag()).ReadTag(brfile);
                        if (tag.TagName == "LIBL" && tag.TagLength > 16)
                        {
                            var dataBytes = tag.TagData;
                            using (var ms = new MemoryStream(dataBytes))
                                using (var brtag = new BinaryReader(ms))
                                {
                                    int    fileCount  = brtag.ReadInt32(); //9
                                    int    dataLength = 0;
                                    string fileName   = "alt_image.ajp";
                                    for (int fileNumber = 0; fileNumber < fileCount; fileNumber++)
                                    {
                                        HexView.Debugger(dataBytes.Slice(brtag.BaseStream.Position, brtag.BaseStream.Position + 50));
                                        uint fileNameLength = brtag.ReadUInt32(); //8
                                        if (fileNameLength > 255)
                                        {
                                            continue;
                                        }

                                        var fileNameBytes = brtag.ReadBytes((int)fileNameLength);
                                        brtag.BaseStream.Position = ((brtag.BaseStream.Position - 1) | 3) + 1;

                                        fileName = shiftJis.GetString(fileNameBytes);
                                        if (parent_file != null)
                                        {
                                            fileName = Path.GetFileNameWithoutExtension(parent_file) +
                                                       $"_image{fileNumber.ToString().PadLeft(1 + (int)System.Math.Log(fileCount, 10), '0')}";
                                        }


                                        int type = brtag.ReadInt32();
                                        dataLength = brtag.ReadInt32();

                                        long libl_img_off = brtag.BaseStream.Position + tag_start_offset + 8; // 8 is (tag + size)
                                        HexView.Debugger(dataBytes.Slice(libl_img_off, libl_img_off + 20));

                                        if (type == (int)DataType.FLAG_CG)
                                        {
                                            int unknown1 = brtag.ReadInt32();                     // XXX: special case: CG usually (not always!) has extra int32
                                            int maybe_head;
                                            if (unknown1 == 0x00544E51 || unknown1 == 0x00504A41) // QNT or AJP
                                            {
                                                maybe_head = unknown1;
                                            }
                                            else
                                            {
                                                maybe_head = brtag.ReadInt32();
                                            }

                                            byte[] imageBytes = null;
                                            brtag.BaseStream.Position -= 4;
                                            if (maybe_head == 0x00544E51) //QNT needs the tag
                                            {
                                                libl_img_off -= 4;
                                                imageBytes    = brtag.ReadBytes(dataLength);
                                                fileName     += ".qnt";
                                            }
                                            else if (maybe_head == 0x00504A41) //AJP needs the tag
                                            {
                                                libl_img_off -= 4;
                                                imageBytes    = brtag.ReadBytes(dataLength);
                                                fileName     += ".ajp";
                                            }
                                            else // unknown image
                                                 //imageBytes = brtag.ReadBytes(dataLength);
                                            {
                                                brtag.BaseStream.Position += dataLength;
                                                fileName += ".dat";
                                            }

                                            if (imageBytes != null)
                                            {
                                                list.Add(new Node()
                                                {
                                                    Bytes = imageBytes, FileName = fileName, Offset = libl_img_off, Parent = parent
                                                });
                                            }
                                        }
                                        else
                                        {
                                            brtag.BaseStream.Position += dataLength;
                                        }
                                        brtag.BaseStream.Position = ((brtag.BaseStream.Position - 1) | 3) + 1 - 4;
                                    } // for
                                }
                        }             // LIBL
                        else if (tag.TagName == "TALT" && tag.TagLength > 16)
                        {
                            var dataBytes = tag.TagData;
                            using (var ms = new MemoryStream(dataBytes))
                                using (var brtag = new BinaryReader(ms))
                                {
                                    int    fileCount  = brtag.ReadInt32(); //9
                                    int    dataLength = 0;
                                    string fileName   = "alt_image.ajp";
                                    for (int fileNumber = 0; fileNumber < fileCount; fileNumber++)
                                    {
                                        if (parent_file != null)
                                        {
                                            fileName = Path.GetFileNameWithoutExtension(parent_file) +
                                                       $"_alt_image{fileNumber.ToString().PadLeft(System.Math.Max(0, (int)System.Math.Log(10, fileCount)) + 1, '0')}";
                                        }

                                        dataLength = brtag.ReadInt32(); //9
                                        //brtag.BaseStream.Position += dataLength;
                                        brtag.BaseStream.Position = ((brtag.BaseStream.Position - 1) | 3) + 1;

                                        int  maybe_head   = brtag.ReadInt32(); //
                                        long libl_img_off = brtag.BaseStream.Position + tag_start_offset + 8;
                                        HexView.Debugger(bytes.Slice(libl_img_off, libl_img_off + 20));

                                        byte[] imageBytes = null;
                                        brtag.BaseStream.Position -= 4;
                                        if (maybe_head == 0x00544E51) //QNT needs the tag
                                        {
                                            libl_img_off -= 4;
                                            imageBytes    = brtag.ReadBytes(dataLength);
                                            fileName     += ".qnt";
                                        }
                                        if (maybe_head == 0x00504A41) //AJP needs the tag
                                        {
                                            libl_img_off -= 4;
                                            imageBytes    = brtag.ReadBytes(dataLength);
                                            fileName     += ".ajp";
                                        }
                                        else // unknown image
                                             //imageBytes = brtag.ReadBytes(dataLength);
                                        {
                                            brtag.BaseStream.Position += dataLength;
                                            fileName += ".dat";
                                        }

                                        if (imageBytes != null)
                                        {
                                            list.Add(new Node()
                                            {
                                                Bytes = imageBytes, FileName = fileName, Offset = libl_img_off, Parent = parent
                                            });
                                        }
                                        brtag.BaseStream.Position = ((brtag.BaseStream.Position - 1) | 3) + 1 - 4;
                                    } // for
                                }
                        }             // TALT
                    }// EndOfStream
            return(list.ToArray());
        }