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mirror of synced 2024-11-14 19:17:39 +01:00
Switch-Toolbox/File_Format_Library/FileFormats/Archives/RARC.cs

493 lines
17 KiB
C#

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