public bool Read()
{
try
{
using (FileStream fs = new FileStream(FullPath, FileMode.Open, FileAccess.Read))
{
using (BinaryReader br = new BinaryReader(fs))
{
// Go to 0x2C from the end of the file.
br.BaseStream.Seek(-END_FOOTER_POS, SeekOrigin.End);
var magic = br.ReadUInt32();
// Read the file's magic number and see if it's valid.
if (magic != FOOTER_MAGIC && !IgnoreMagicNumber)
{
// The + operator is for nice code readiblity so don't get upset.
TKContext.LogError($"The package: {FileName} contains an invalid magic number." +
" Set IgnoreMagicNumber to false if you want the stream reader to ignore it.");
return(false);
}
PackageFooter footer = new PackageFooter();
footer.magic = magic;
footer.version = br.ReadUInt32();
footer.indexOffset = br.ReadUInt64();
footer.indexLength = br.ReadUInt64();
footer.indexHash = br.ReadBytes(20);
br.BaseStream.Seek((long)footer.indexOffset, SeekOrigin.Begin);
var skipbytes = br.ReadUInt32();
br.BaseStream.Seek(skipbytes, SeekOrigin.Current);
FileCount = br.ReadUInt32();
FileEntries = new PackageFileEntry[FileCount];
for (int i = 0; i < FileEntries.Length; i++)
{
PackageFileEntry packageFileEntry = new PackageFileEntry();
packageFileEntry.fileNameLength = br.ReadUInt32();
packageFileEntry.fileName = new string(br.ReadChars((int)(packageFileEntry.fileNameLength - 1)));
br.BaseStream.Seek(1, SeekOrigin.Current);
packageFileEntry.offset = br.ReadUInt64();
packageFileEntry.size1 = br.ReadUInt64();
packageFileEntry.size2 = br.ReadUInt64();
packageFileEntry.pad = br.ReadUInt32();
packageFileEntry.sha1 = br.ReadBytes(20);
packageFileEntry.pad2 = br.ReadBytes(5);
#if DEBUG
TKContext.Log("PackFileEntry", i.ToString(), $"File name: {packageFileEntry.fileName} Offset: 0x{packageFileEntry.offset:X8} " +
$"Size1: 0x{packageFileEntry.size1:X8} Size2: 0x{packageFileEntry.size2:X8} SHA1: {packageFileEntry.sha1.ToString()}", TKContext.LOG_TYPE_DEBUG, ConsoleColor.DarkCyan);
#endif
FileEntries[i] = packageFileEntry;
}
Footer = footer;
}
}
TKContext.LogInner("INFO", $"Loaded package {FileName}", ConsoleColor.Yellow);
Array.Sort(FileEntries, (x, y) =>
{
var lengthComp = Comparer <int> .Default.Compare((int)y.fileNameLength, (int)x.fileNameLength);
if (lengthComp == 0)
{
return(string.Compare(y.fileName, x.fileName));
}
return(lengthComp);
});
return(true);
}
catch (Exception ex)
{
TKContext.LogException(ex.ToString());
return(false);
}
}