internal override void Encode(BitWriter writer)
{
if (N == 0 && L == 0)
{
writer.WriteBits(0, 1);
writer.WriteBits(0, 2);
R.Encode(writer);
}
else if (N == 0 && R == 0)
{
writer.WriteBits(0, 1);
writer.WriteBits(1, 2);
L.Encode(writer);
}
else if (N == 0)
{
writer.WriteBits(0, 1);
writer.WriteBits(2, 2);
L.Encode(writer);
R.Encode(writer);
}
else if (L == 0)
{
writer.WriteBits(0, 1);
writer.WriteBits(3, 2);
writer.WriteBits(0, 1);
writer.WriteBits(0, 1);
writer.EncodeN(N);
R.Encode(writer);
}
else if (R == 0)
{
writer.WriteBits(0, 1);
writer.WriteBits(3, 2);
writer.WriteBits(0, 1);
writer.WriteBits(1, 1);
writer.EncodeN(N);
L.Encode(writer);
}
else
{
writer.WriteBits(0, 1);
writer.WriteBits(3, 2);
writer.WriteBits(1, 1);
writer.EncodeN(N);
L.Encode(writer);
R.Encode(writer);
}
}
internal override void Encode(BitWriter writer)
{
writer.EncodeN(N);
}