1
0
mirror of synced 2024-12-13 08:11:07 +01:00
Switch-Toolbox/Switch_FileFormatsMain/FileFormats/Archives/IGA_PAK.cs

171 lines
5.3 KiB
C#

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;
namespace FirstPlugin
{
public class IGA_PAK : IArchiveFile, IFileFormat
{
public FileType FileType { get; set; } = FileType.Archive;
public bool CanSave { get; set; }
public string[] Description { get; set; } = new string[] { "Crash Team Racing Archive" };
public string[] Extension { get; set; } = new string[] { "*.pak" };
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(3, "IGA");
}
}
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;
public void Load(System.IO.Stream stream)
{
using (var reader = new FileReader(stream))
{
reader.ByteOrder = Syroot.BinaryData.ByteOrder.LittleEndian;
uint Singnature = reader.ReadUInt32(); //IGAx01
uint Version = reader.ReadUInt32(); //13
uint FileSectionSize = reader.ReadUInt32(); //Total size of file entires that point to file data
uint FileCount = reader.ReadUInt32();
uint ChunkSize = reader.ReadUInt32();
//Skip some unknowns for now
reader.Seek(20, System.IO.SeekOrigin.Current);
uint NameTableOffset = reader.ReadUInt32();
uint Padding = reader.ReadUInt32();
uint NameTableSize = reader.ReadUInt32();
uint Unknown2 = reader.ReadUInt32(); //Always 1?
uint[] Hashes = reader.ReadUInt32s((int)FileCount);
//Read the filenames first
long pos = reader.Position;
string[] FileNames = new string[FileCount];
for (int i = 0; i < FileCount; i++)
{
reader.SeekBegin(NameTableOffset + (i * sizeof(uint)));
uint NameOffset = reader.ReadUInt32();
reader.SeekBegin(NameTableOffset + NameOffset);
FileNames[i] = reader.ReadZeroTerminatedString();
}
//Go back for file entries
reader.Position = pos;
for (int i = 0; i < FileCount; i++)
{
var file = new FileEntry(FilePath);
file.FileName = FileNames[i];
file.Read(reader);
files.Add(file);
}
}
}
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
{
//The archive file used to open the file
public string SourceFile { get; set; }
public CompressionType FileCompressionType;
public enum CompressionType : int
{
None = -1,
LZMA = 536870957,
Deflate,
}
public FileEntry(string ArchivePath)
{
SourceFile = ArchivePath;
}
private uint FileOffset;
private uint DecompressedFileSize;
public override byte[] FileData
{
get
{
using (var reader = new FileReader(SourceFile))
{
reader.Position = FileOffset;
if (FileCompressionType == CompressionType.None)
{
return reader.ReadBytes((int)DecompressedFileSize);
}
else
{
uint FileSize = reader.ReadUInt32();
reader.Position = FileOffset;
return reader.ReadBytes((int)FileSize + 0x10);
}
}
}
}
public void Read(FileReader reader)
{
FileOffset = reader.ReadUInt32();
byte[] Unknown = reader.ReadBytes(4);
DecompressedFileSize = reader.ReadUInt32();
FileCompressionType = reader.ReadEnum<CompressionType>(false);
}
}
}
}