490 lines
16 KiB
C#
490 lines
16 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Toolbox;
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using System.Windows.Forms;
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using Toolbox.Library;
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using Toolbox.Library.IO;
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namespace FirstPlugin
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{
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public class RARC : IArchiveFile, IFileFormat, IDirectoryContainer, IContextMenuNode
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{
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public FileType FileType { get; set; } = FileType.Archive;
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public bool CanSave { get; set; }
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public string[] Description { get; set; } = new string[] { "RARC" };
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public string[] Extension { get; set; } = new string[] { "*.rarc", "*.arc", "*.yaz0" };
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public string FileName { get; set; }
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public string FilePath { get; set; }
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public IFileInfo IFileInfo { get; set; }
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public bool CanAddFiles { get; set; }
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public bool CanRenameFiles { get; set; }
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public bool CanReplaceFiles { get; set; }
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public bool CanDeleteFiles { get; set; }
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public bool Identify(System.IO.Stream stream)
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{
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using (var reader = new Toolbox.Library.IO.FileReader(stream, true))
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{
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return reader.CheckSignature(4, "RARC");
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}
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}
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public Type[] Types
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{
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get
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{
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List<Type> types = new List<Type>();
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return types.ToArray();
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}
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}
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public List<FileEntry> files = new List<FileEntry>();
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public List<INode> nodes = new List<INode>();
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public IEnumerable<ArchiveFileInfo> Files => files;
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public IEnumerable<INode> Nodes => nodes;
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public void ClearFiles() { files.Clear(); }
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public string Name
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{
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get { return FileName; }
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set { FileName = value; }
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}
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private DirectoryEntry[] Directories;
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private uint HeaderSize = 32;
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private uint Unknown = 256;
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public ToolStripItem[] GetContextMenuItems()
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{
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List<ToolStripItem> Items = new List<ToolStripItem>();
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Items.Add(new ToolStripMenuItem("Save", null, SaveAction, Keys.Control | Keys.S));
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return Items.ToArray();
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}
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private void SaveAction(object sender, EventArgs args)
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{
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SaveFileDialog sfd = new SaveFileDialog();
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sfd.Filter = Utils.GetAllFilters(this);
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sfd.FileName = FileName;
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if (sfd.ShowDialog() == DialogResult.OK)
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{
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STFileSaver.SaveFileFormat(this, sfd.FileName);
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}
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}
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public void Load(System.IO.Stream stream)
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{
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CanSave = true;
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CanRenameFiles = true;
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CanReplaceFiles = true;
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using (var reader = new FileReader(stream))
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{
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_savedDirectories.Clear();
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reader.ByteOrder = Syroot.BinaryData.ByteOrder.BigEndian;
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reader.ReadSignature(4, "RARC");
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uint FileSize = reader.ReadUInt32();
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HeaderSize = reader.ReadUInt32();
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uint DataOffset = reader.ReadUInt32();
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uint FileDataSize = reader.ReadUInt32();
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uint EndOfFileOffset = reader.ReadUInt32();
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byte[] Padding = reader.ReadBytes(8);
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//Info Block
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long pos = reader.Position;
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uint DirectoryCount = reader.ReadUInt32();
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uint DirectoryOffset = reader.ReadUInt32() + (uint)pos;
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uint TotalNodeCount = reader.ReadUInt32();
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uint NodeOffset = reader.ReadUInt32() + (uint)pos;
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uint StringTableSize = reader.ReadUInt32();
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uint StringTablOffset = reader.ReadUInt32() + (uint)pos;
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ushort NodeCount = reader.ReadUInt16();
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Unknown = reader.ReadUInt16();
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byte[] Padding2 = reader.ReadBytes(4);
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Directories = new DirectoryEntry[DirectoryCount];
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for (int dir = 0; dir < DirectoryCount; dir++)
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Directories[dir] = new DirectoryEntry(this);
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Console.WriteLine($"DirectoryCount {DirectoryCount}");
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Console.WriteLine($"StringTablOffset {StringTablOffset}");
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reader.SeekBegin(DirectoryOffset);
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for (int dir = 0; dir < DirectoryCount; dir++)
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{
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Directories[dir].Read(reader);
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}
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for (int dir = 0; dir < DirectoryCount; dir++)
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{
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uint NamePointer = StringTablOffset + Directories[dir].NameOffset;
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Directories[dir].Name = ReadStringAtTable(reader, NamePointer);
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Console.WriteLine($"{ Directories[dir].Name } {dir}");
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for (int n = 0; n < Directories[dir].NodeCount; n++)
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{
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reader.SeekBegin(NodeOffset + ((n + Directories[dir].FirstNodeIndex) * 0x14));
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FileEntry entry = new FileEntry();
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entry.Read(reader);
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NamePointer = StringTablOffset + entry.NameOffset;
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entry.Name = ReadStringAtTable(reader, NamePointer);
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//These make it crash so just skip them
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//Unsure what purpose these have
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if (entry.Name == "." || entry.Name == "..")
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continue;
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if (entry.IsDirectory)
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{
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Directories[dir].AddNode(Directories[entry.Offset]);
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_savedDirectories.Add(entry);
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}
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else
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{
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using (reader.TemporarySeek(pos + DataOffset + entry.Offset, System.IO.SeekOrigin.Begin))
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{
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entry.FileData = reader.ReadBytes((int)entry.Size);
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}
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entry.FileName = entry.Name;
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Directories[dir].AddNode(entry);
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}
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}
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}
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this.Name = Directories[0].Name;
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nodes.AddRange(Directories[0].Nodes);
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}
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}
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private List<FileEntry> _savedFiles = new List<FileEntry>();
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private List<FileEntry> _savedDirectories = new List<FileEntry>();
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private List<DirectoryEntry> _savedNodes = new List<DirectoryEntry>();
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private void LoadAllDirectoriesAndFiles(DirectoryEntry parentDir)
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{
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for (int i = 0; i < parentDir.nodes.Count; i++)
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{
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if (parentDir.nodes[i] is DirectoryEntry)
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{
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//_savedDirectories.Add((DirectoryEntry)parentDir.nodes[i]);
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}
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else
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_savedFiles.Add((FileEntry)parentDir.nodes[i]);
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}
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for (int i = 0; i < parentDir.nodes.Count; i++)
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{
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if (parentDir.nodes[i] is DirectoryEntry)
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LoadAllDirectoriesAndFiles((DirectoryEntry)parentDir.nodes[i]);
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}
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}
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//Save a string table to a char array like WArchive
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//It's a good idea, and i don't want to deal with offset linking
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private List<char> _exportStringTable;
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private List<byte[]> _savedFileData;
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private void SaveFile(FileWriter writer)
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{
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_savedFiles.Clear();
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_exportStringTable = new List<char>();
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_savedFileData = new List<byte[]>();
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_savedNodes = Directories.ToList();
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LoadAllDirectoriesAndFiles(Directories[0]);
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_exportStringTable = new List<char>();
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_exportStringTable.AddRange(".\0".ToCharArray());
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_exportStringTable.AddRange("..\0".ToCharArray());
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long pos = writer.Position;
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writer.ByteOrder = Syroot.BinaryData.ByteOrder.BigEndian;
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writer.WriteSignature("RARC");
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writer.Write(uint.MaxValue); //FileSize
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writer.Write(HeaderSize);
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writer.Write(uint.MaxValue); //DataOffset
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writer.Write(uint.MaxValue); //File Size
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writer.Write(uint.MaxValue); //End of file
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writer.Seek(8); //padding
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writer.SeekBegin(HeaderSize);
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long InfoPos = writer.Position;
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writer.Write(_savedNodes.Count);
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writer.Write(uint.MaxValue); //DirectoryOffset
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writer.Write(_savedNodes.Count + _savedDirectories.Count + _savedFiles.Count);
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writer.Write(uint.MaxValue); //File Node Offset
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writer.Write(uint.MaxValue); //String pool size
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writer.Write(uint.MaxValue); //String pool offset
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writer.Write((ushort)0);
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writer.Write((ushort)Unknown);
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writer.Write(0); //padding
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List<FileEntry> TotalList = _savedDirectories.Concat(_savedFiles).ToList();
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//Write nodes
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WriteOffset(writer, 4, InfoPos);
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for (int dir = 0; dir < _savedNodes.Count; dir++)
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{
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writer.Write(_savedNodes[dir].Identifier);
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writer.Write((int)_exportStringTable.Count);
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writer.Write(_savedNodes[dir].Hash);
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writer.Write((ushort)(_savedNodes[dir].nodes.Count));
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writer.Write(TotalList.FindIndex(i => i.Name == _savedNodes[dir].nodes[0].Name));
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_exportStringTable.AddRange(_savedNodes[dir].Name.ToCharArray());
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_exportStringTable.Add('\0'); //Null terminated
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}
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writer.Align(32);
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//Write the directories and files
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WriteOffset(writer, 12, InfoPos);
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int I = 0;
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foreach (FileEntry entry in TotalList)
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{
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entry.SaveFileFormat();
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writer.Write(entry.FileId);
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writer.Write(entry.Hash);
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writer.Write(entry.Flags);
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writer.Seek(1); //Padding
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if ((entry.Name == "."))
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{
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writer.Write((ushort)0);
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}
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else if ((entry.Name == ".."))
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{
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writer.Write((ushort)2);
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}
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else
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{
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// Offset of name in the string table
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writer.Write((ushort)_exportStringTable.Count);
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// Add name to string table
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_exportStringTable.AddRange(entry.Name.ToCharArray());
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// Strings must be null terminated
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_exportStringTable.Add('\0');
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/* if (_savedFiles.Find(i => i.Name == entry.Name) != null)
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{
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string test = new string(_exportStringTable.ToArray());
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int testt = test.IndexOf(entry.Name);
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writer.Write((ushort)test.IndexOf(entry.Name));
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}
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else
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{
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}*/
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}
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if (entry.Flags == 0x02)
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{
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writer.Write((int)TotalList.IndexOf(entry) + 1);
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writer.Write((int)0);
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}
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else
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{
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uint dataOffset = 0;
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foreach (var data in _savedFileData)
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dataOffset += (uint)data.Length;
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writer.Write(dataOffset);
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writer.Write(entry.FileData.Length);
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_savedFileData.Add(entry.FileData);
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}
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writer.Write(0);
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}
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writer.Align(32);
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WriteOffset(writer, 20, InfoPos);
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writer.Write(_exportStringTable.ToArray());
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writer.Align(32);
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var dataPos = writer.Position;
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using (writer.TemporarySeek(pos + 12, System.IO.SeekOrigin.Begin)) {
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writer.Write((uint)(dataPos - InfoPos));
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}
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foreach (var data in _savedFileData)
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writer.Write(data);
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uint DataSize = (uint)(writer.Position - dataPos);
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writer.Align(32);
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uint EndFileSize = (uint)(writer.Position - dataPos);
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//Write data size
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using (writer.TemporarySeek(pos + 16, System.IO.SeekOrigin.Begin))
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{
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writer.Write((uint)DataSize);
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}
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//Write end of file size
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using (writer.TemporarySeek(pos + 20, System.IO.SeekOrigin.Begin))
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{
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writer.Write((uint)EndFileSize);
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}
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//Write string table size
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using (writer.TemporarySeek(pos + 0x4, System.IO.SeekOrigin.Begin))
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{
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writer.Write((uint)writer.BaseStream.Length);
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}
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//Write file size
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using (writer.TemporarySeek(InfoPos + 16, System.IO.SeekOrigin.Begin))
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{
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writer.Write((uint)_exportStringTable.Count);
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}
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writer.Dispose();
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GC.SuppressFinalize(writer);
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}
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private void WriteDirectories()
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{
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}
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private void WriteOffset(FileWriter writer, long Target, long RelativePosition)
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{
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long Position = writer.Position;
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using (writer.TemporarySeek(RelativePosition + Target, System.IO.SeekOrigin.Begin))
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{
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writer.Write((uint)(Position - RelativePosition));
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}
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}
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private string ReadStringAtTable(FileReader reader, uint NameOffset)
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{
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using (reader.TemporarySeek(NameOffset, System.IO.SeekOrigin.Begin))
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{
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return reader.ReadZeroTerminatedString();
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}
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}
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private static ushort CalculateHash(string Name)
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{
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ushort Hash = 0;
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for (int i = 0; i < Name.Length; i++)
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{
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Hash *= 3;
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Hash += Name[i];
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}
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return Hash;
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}
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private void CreateDirectoryEntry()
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{
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}
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public class DirectoryEntry : IDirectoryContainer
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{
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public RARC ParentArchive { get; }
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public string Name { get; set; }
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public uint Identifier;
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internal uint NameOffset; //Relative to string table
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public ushort Hash { get; set; }
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public ushort NodeCount;
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public uint FirstNodeIndex { get; set; }
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public DirectoryEntry(RARC rarc) { ParentArchive = rarc; }
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public IEnumerable<INode> Nodes { get { return nodes; } }
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public List<INode> nodes = new List<INode>();
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public void AddNode(INode node)
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{
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nodes.Add(node);
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}
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public void Read(FileReader reader)
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{
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Identifier = reader.ReadUInt32();
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NameOffset = reader.ReadUInt32();
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Hash = reader.ReadUInt16();
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NodeCount = reader.ReadUInt16();
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FirstNodeIndex = reader.ReadUInt32();
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}
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public void UpdateHash() {
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Hash = CalculateHash(Name);
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}
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}
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public void Unload()
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{
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}
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public void Save(System.IO.Stream stream)
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{
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SaveFile(new FileWriter(stream));
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}
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public bool AddFile(ArchiveFileInfo archiveFileInfo)
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{
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return false;
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}
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public bool DeleteFile(ArchiveFileInfo archiveFileInfo)
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{
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return false;
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}
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public class FileEntry : ArchiveFileInfo
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{
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//According to this to determine directory or not
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//https://github.com/LordNed/WArchive-Tools/blob/3c7fdefe54b4c7634a042847b7455de61705033f/ArchiveToolsLib/Archive/Archive.cs#L44
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public bool IsDirectory { get { return (Flags & 2) >> 1 == 1; } }
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public ushort FileId { get; set; }
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public ushort Hash { get; set; }
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public byte Flags { get; set; }
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internal uint Size;
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internal uint Offset;
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internal ushort NameOffset;
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internal long _positionPtr;
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public void Read(FileReader reader)
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{
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FileId = reader.ReadUInt16();
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Hash = reader.ReadUInt16();
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Flags = reader.ReadByte();
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reader.Seek(1); //Padding
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NameOffset = reader.ReadUInt16();
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Offset = reader.ReadUInt32();
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Size = reader.ReadUInt32();
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}
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}
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}
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}
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