public static byte[] MakeFileHeaders(FSARFileEntryInfo[] FilesHeaders, int size)
{
int Pos = 0;
Byte[] FileHeaders = new Byte[size];
FSARFileEntryInfo CurHeader;
for (int f = 0; f < FilesHeaders.Length; f++)
{
CurHeader = FilesHeaders[f];
Pos = f * 0x120;
FSARHelper.fastCopyBlock(Encoding.UTF8.GetBytes(CurHeader.Path), 0, FileHeaders, Pos, Encoding.UTF8.GetByteCount(CurHeader.Path));
Pos += 0x100;
FileHeaders.WriteInt64BE(ref Pos, CurHeader.UncompressedSize);
FileHeaders.WriteInt64BE(ref Pos, CurHeader.CompressedSize);
FileHeaders.WriteInt64BE(ref Pos, CurHeader.DataPos);
Pos += 0x03;
FileHeaders[Pos] = CurHeader.Compressed ? (byte)0x02 : (byte)0x01;
}
return(FileHeaders);
}
public static FSARFile GetFile(Byte[] FilesData, FSARFileEntryInfo FileEntry)
{
FSARFile CurFile = new FSARFile();
CurFile.FileHeader = FileEntry;
CurFile.UncompressedData = new Byte[FileEntry.UncompressedSize];
if (FileEntry.Compressed)
{
CurFile.CompressedData = new Byte[FileEntry.CompressedSize - 2];
FSARHelper.fastCopyBlock(FilesData, (int)FileEntry.DataPos + 2, CurFile.CompressedData, 0, CurFile.CompressedData.Length);
MemoryStream CompressedData = new MemoryStream(CurFile.CompressedData);
MemoryStream DecompressedData = new MemoryStream();
DeflateStream DecompFile = new DeflateStream(CompressedData, CompressionMode.Decompress);
DecompFile.CopyTo(DecompressedData);
CurFile.UncompressedData = DecompressedData.ToArray();
DecompressedData.Close();
DecompFile.Close();
CompressedData.Close();
}
else
{
FSARHelper.fastCopyBlock(FilesData, (int)FileEntry.DataPos, CurFile.UncompressedData, 0, (int)FileEntry.UncompressedSize);
}
return(CurFile);
}
public static byte[] MakeFSARArchive(this FSARArchive Archive)
{
Byte[] Header = MakeHeader(Archive.Header);
Byte[] FileHeaders = MakeFileHeaders(Archive.Files, Archive.Header.FileTableEnd - 0x20);
Byte[] Files = MakeFilesData(Archive.Files);
Byte[] OutFile = new Byte[Header.Length + FileHeaders.Length + Files.Length];
FSARHelper.fastCopyBlock(Header, 0, OutFile, 0, Header.Length);
FSARHelper.fastCopyBlock(FileHeaders, 0, OutFile, Header.Length, FileHeaders.Length);
FSARHelper.fastCopyBlock(Files, 0, OutFile, Header.Length + FileHeaders.Length, Files.Length);
return(OutFile);
}
public unsafe static FSARFile GetFile(this FSARFileEntryInfo FileEntry, Byte[] FilesData)
{
FSARFile CurFile = new FSARFile();
CurFile.FileHeader = FileEntry;
CurFile.UncompressedData = new Byte[FileEntry.UncompressedSize];
if (FileEntry.Compressed)
{
CurFile.CompressedData = new Byte[FileEntry.CompressedSize - 2];
CurFile.UncompressedData = new Byte[FileEntry.UncompressedSize];
FSARHelper.fastCopyBlock(FilesData, (int)FileEntry.DataPos + 2, CurFile.CompressedData, 0, CurFile.CompressedData.Length);
byte *CompressedData = (byte *)Unsafe.AsPointer(ref CurFile.CompressedData[0]);
byte *UncompressedData = (byte *)Unsafe.AsPointer(ref CurFile.UncompressedData[0]);
Compression.decompress_deflate(CompressedData, (IntPtr)CurFile.CompressedData.Length, UncompressedData, (IntPtr)CurFile.UncompressedData.Length);
}
else
{
FSARHelper.fastCopyBlock(FilesData, (int)FileEntry.DataPos, CurFile.UncompressedData, 0, (int)FileEntry.UncompressedSize);
}
return(CurFile);
}
public static byte[] MakeFilesData(FSARFile[] Files, Boolean UseChecks = false)
{
long FilesData_Lenght = Files[Files.Length - 1].FileHeader.Compressed ?
Files[Files.Length - 1].FileHeader.DataPos + Files[Files.Length - 1].FileHeader.CompressedSize :
Files[Files.Length - 1].FileHeader.DataPos + Files[Files.Length - 1].FileHeader.UncompressedSize;
Byte[] FilesData = new Byte[FilesData_Lenght];
Byte[] CurFileData, padding;
FSARFile CurFile;
for (int f = 0; f < Files.Length; f++)
{
CurFile = Files[f];
Console.WriteLine(CurFile.FileHeader.Path);
if (CurFile.FileHeader.Compressed)
{
if (f + 1 != Files.Length && Files[f + 1].FileHeader.DataPos - CurFile.FileHeader.DataPos != CurFile.FileHeader.CompressedSize)
{
CurFileData = new Byte[Files[f + 1].FileHeader.DataPos - CurFile.FileHeader.DataPos];
padding = new Byte[CurFileData.Length - CurFile.FileHeader.CompressedSize];
for (int p = 0; p > CurFileData.Length - CurFile.FileHeader.CompressedSize; p++)
{
padding[p] = (byte)'-';
}
FSARHelper.fastCopyBlock(padding, 0, CurFileData, CurFile.CompressedData.Length, padding.Length);
FSARHelper.fastCopyBlock(new byte[2] {
0x78, 0xDA
}, 0, CurFileData, 0, 2);
FSARHelper.fastCopyBlock(CurFile.CompressedData, 0, CurFileData, 2, CurFile.CompressedData.Length);
FSARHelper.fastCopyBlock(CurFileData, 0, FilesData, (int)CurFile.FileHeader.DataPos, CurFileData.Length);
}
else
{
FSARHelper.fastCopyBlock(new byte[2] {
0x78, 0xDA
}, 0, FilesData, (int)CurFile.FileHeader.DataPos, 2);
FSARHelper.fastCopyBlock(CurFile.CompressedData, 0, FilesData, (int)CurFile.FileHeader.DataPos + 2, CurFile.CompressedData.Length);
}
}
else
{
if (f + 1 != Files.Length && Files[f + 1].FileHeader.DataPos - CurFile.FileHeader.DataPos != CurFile.FileHeader.UncompressedSize)
{
CurFileData = new Byte[f != Files.Length ? Files[f].FileHeader.DataPos - CurFile.FileHeader.DataPos : CurFile.FileHeader.UncompressedSize];
padding = new Byte[CurFileData.Length - CurFile.FileHeader.UncompressedSize];
for (int p = 0; p > CurFileData.Length - CurFile.FileHeader.UncompressedSize; p++)
{
padding[p] = (byte)'-';
}
FSARHelper.fastCopyBlock(CurFile.UncompressedData, 0, CurFileData, 0, CurFileData.Length);
FSARHelper.fastCopyBlock(padding, 0, CurFileData, CurFile.UncompressedData.Length, padding.Length);
FSARHelper.fastCopyBlock(CurFileData, 0, FilesData, (int)CurFile.FileHeader.DataPos, CurFileData.Length);
}
else
{
FSARHelper.fastCopyBlock(CurFile.UncompressedData, 0, FilesData, (int)CurFile.FileHeader.DataPos, CurFile.UncompressedData.Length);
}
}
}
return(FilesData);
}