private void WriteEntry(IDXEntry entry, uint count = 0)
{
using (var bw = new BinaryStream(file.BaseStream, leaveOpen: true))
{
bw.Write(entry.Hash);
bw.Write(entry.HashAlt);
bw.Write(entry.Compression);
bw.Write(entry.DataLBA);
bw.Write(entry.DataLength);
if (count != 0)
{
bw.BaseStream.Position = 0;
bw.Write(count);
}
}
}
/// <summary>Relink hash to target</summary>
/// <param name="hash"></param>
/// <param name="target"></param>
public void RelinkEntry(uint hash, uint target)
{
FindEntryByHash(target);
file.BaseStream.Position += 4;
var entry = new IDXEntry
{
Hash = hash,
HashAlt = file.ReadUInt16(),
Compression = file.ReadUInt16(),
DataLBA = file.ReadUInt32(),
DataLength = file.ReadUInt32()
};
FindEntryByHash(hash);
WriteEntry(entry);
}
public IDXEntry ReadEntry(long index = -1)
{
if (index >= 0)
{
Position = (uint)index;
}
if (Position >= Count)
{
return(new IDXEntry {
Hash = 0
});
}
file.BaseStream.Position = 4 + 16 * Position++;
var entry = new IDXEntry
{
Hash = file.ReadUInt32(),
HashAlt = file.ReadUInt16(),
Compression = file.ReadUInt16(),
DataLBA = file.ReadUInt32(),
DataLength = file.ReadUInt32()
};
return(entry);
}
public void AddEntry(IDXEntry entry)
{
file.BaseStream.Position = 4 + 16 * Count;
WriteEntry(entry, ++Count);
}
public void ModifyEntry(IDXEntry entry)
{
FindEntryByHash(entry.Hash);
WriteEntry(entry);
}