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 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 FSARFileEntryInfo[] GetFileEntries(Byte[] FileTable, int FileNum)
{
int ArrPos;
FSARFileEntryInfo CurFileEntry;
FSARFileEntryInfo[] FileEntries = new FSARFileEntryInfo[FileNum];
for (int i = 0; i < FileNum; i++)
{
CurFileEntry = new FSARFileEntryInfo();
ArrPos = i * 0x120; // Current file index * Lenght of the header for a single file
CurFileEntry.Path = Encoding.UTF8.GetString(FileTable, ArrPos, 0x100).TrimEnd('\0');
CurFileEntry.FileName = Path.GetFileName(CurFileEntry.Path);
CurFileEntry.Directory = Path.GetDirectoryName(CurFileEntry.Path);
ArrPos += 0x100;
CurFileEntry.UncompressedSize = FileTable.ReadInt64BE(ref ArrPos);
CurFileEntry.CompressedSize = FileTable.ReadInt64BE(ref ArrPos);
CurFileEntry.DataPos = FileTable.ReadInt64BE(ref ArrPos);
ArrPos += 0x03;
CurFileEntry.Compressed = FileTable[ArrPos] - 1 != 0;
FileEntries[i] = CurFileEntry;
}
return(FileEntries);
}
