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Switch-Toolbox/Switch_FileFormatsMain/FileFormats/Archives/RARC.cs

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5.9 KiB
C#
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2019-05-01 21:38:14 +02:00
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Switch_Toolbox;
using System.Windows.Forms;
using Switch_Toolbox.Library;
using Switch_Toolbox.Library.IO;
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namespace FirstPlugin
{
public class RARC : IArchiveFile, IFileFormat
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{
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 Switch_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 IEnumerable<ArchiveFileInfo> Files => files;
private DirectoryEntry[] Directories;
public void Load(System.IO.Stream stream)
{
using (var reader = new FileReader(stream))
{
reader.ByteOrder = Syroot.BinaryData.ByteOrder.LittleEndian;
reader.ReadSignature(4, "RARC");
uint FileSize = reader.ReadUInt32();
uint 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 TotalNodeCount = reader.ReadUInt32();
uint NodeOffset = reader.ReadUInt32();
uint StringTableSize = reader.ReadUInt32();
uint StringTablOffset = reader.ReadUInt32();
ushort NodeCount = reader.ReadUInt16();
ushort Unknown = reader.ReadUInt16();
byte[] Padding2 = reader.ReadBytes(4);
Directories = new DirectoryEntry[DirectoryCount];
reader.SeekBegin(DirectoryOffset + pos);
for (int dir = 0; dir < DirectoryCount; dir++)
{
Directories[dir] = new DirectoryEntry(this);
Directories[dir].Read(reader);
uint NamePointer = StringTablOffset + (uint)pos + Directories[dir].NameOffset;
Directories[dir].Name = ReadStringAtTable(reader, NamePointer);
}
reader.SeekBegin(NodeOffset + pos);
for (int n = 0; n < TotalNodeCount; n++)
{
files.Add(new FileEntry());
{
}
}
}
}
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
{
public RARC ParentArchive { get; }
public string Name { get; set; }
private uint Identifier;
internal uint NameOffset; //Relative to string table
public ushort Hash { get; set; }
private ushort NodeCount;
public uint FirstNodeIndex { get; set; }
public DirectoryEntry(RARC rarc) { ParentArchive = rarc; }
public void Read(FileReader reader)
{
Identifier = reader.ReadUInt32();
NameOffset = reader.ReadUInt32();
Hash = reader.ReadUInt16();
NodeCount = reader.ReadUInt16();
FirstNodeIndex = reader.ReadUInt32();
}
public void Write(FileWriter writer)
{
Hash = CalculateHash(Name);
writer.Write(Identifier);
writer.Write(NameOffset);
writer.Write(Hash);
writer.Write(NodeCount);
writer.Write(FirstNodeIndex);
}
}
public void Unload()
{
}
public byte[] Save()
{
return null;
}
public bool AddFile(ArchiveFileInfo archiveFileInfo)
{
return false;
}
public bool DeleteFile(ArchiveFileInfo archiveFileInfo)
{
return false;
}
public class FileEntry : ArchiveFileInfo
{
public uint Unknown { get; set; }
internal uint Size;
internal uint Offset;
internal uint NameOffset;
public void Read(FileReader reader)
{
uint Unknown = reader.ReadUInt32();
NameOffset = reader.ReadUInt32();
Offset = reader.ReadUInt32();
Size = reader.ReadUInt32();
}
}
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}
}