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mirror of synced 2024-12-14 08:32:59 +01:00
Switch-Toolbox/File_Format_Library/FileFormats/Archives/PKZ.cs

134 lines
4.0 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.IO;
using System.Threading.Tasks;
using Toolbox;
using System.Windows.Forms;
using Toolbox.Library;
using Toolbox.Library.IO;
namespace FirstPlugin
{
public class PKZ : IArchiveFile, IFileFormat, ILeaveOpenOnLoad
{
public FileType FileType { get; set; } = FileType.Archive;
public bool CanSave { get; set; }
public string[] Description { get; set; } = new string[] { "Platinum Games Archive" };
public string[] Extension { get; set; } = new string[] { "*.pkz" };
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(3, "pkz");
}
}
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 ClearFiles() { files.Clear(); }
private System.IO.Stream _stream;
public void Load(System.IO.Stream stream)
{
_stream = stream;
using (var reader = new FileReader(stream, true))
{
reader.SetByteOrder(false);
uint magic = reader.ReadUInt32();
uint unknown = reader.ReadUInt32();
ulong totalFileSize = reader.ReadUInt64();
uint fileCount = reader.ReadUInt32();
uint offsetFileInfo = reader.ReadUInt32();
ulong stringTableLength = reader.ReadUInt64();
uint InfoSize = fileCount * 0x20;
uint StringTablePos = InfoSize + offsetFileInfo;
reader.SeekBegin(offsetFileInfo);
for (int i = 0; i < fileCount; i++)
{
var file = new FileEntry();
ulong nameOffset = reader.ReadUInt64();
file.fileSize = reader.ReadUInt64();
file.fileOffset = reader.ReadUInt64();
file.compressedSize = reader.ReadUInt64();
using (reader.TemporarySeek((long)nameOffset + StringTablePos,
System.IO.SeekOrigin.Begin))
{
file.FileName = reader.ReadZeroTerminatedString();
}
file.FileDataStream = new SubStream(reader.BaseStream, (long)file.fileOffset, (long)file.compressedSize);
files.Add(file);
}
}
}
public void Unload()
{
}
public void Save(System.IO.Stream stream)
{
}
public bool AddFile(ArchiveFileInfo archiveFileInfo)
{
return false;
}
public bool DeleteFile(ArchiveFileInfo archiveFileInfo)
{
return false;
}
public class FileEntry : ArchiveFileInfo
{
public ulong fileSize;
public ulong fileOffset;
public ulong compressedSize;
protected Stream stream;
public override Stream FileDataStream
{
get
{
if (compressedSize != fileSize && fileSize != 0)
return new MemoryStream(Zstb.SDecompress(stream.ToBytes(),(int)fileSize));
else
return stream;
}
set
{
stream = value;
}
}
}
}
}