public void Read(Stream stream)
{
var reader = new OptReader(stream, Logger)
{
Vector2T = typeof(TVector2),
Vector3T = typeof(TVector3),
V2Adapter = new Vector2Adapter <TVector2>(),
V3Adapter = new Vector3Adapter <TVector3>()
{
RotateFromOptSpace = RotateFromOptSpace,
}
};
// Version is stored as negative int, or is omitted if version is 0.
var version = reader.ReadInt32();
int size;
if (version < 0)
{
reader.version = Version = Math.Abs(version);
size = reader.ReadInt32() + preGlobalOffsetHeaderLength;
}
else
{
size = version;
version = 0;
}
// Sanity check file size.
if (size != reader.BaseStream.Length)
{
var msg = String.Format(CultureInfo.CurrentCulture, "File length expected is {0} but actual length is {1}. File may be corrupt.", size, reader.BaseStream.Length);
Logger?.Invoke(msg);
throw new InvalidDataException(msg);
}
// The bytes preceding this don't count when calculating the offset.
preGlobalOffsetHeaderLength = (int)reader.BaseStream.Position;
reader.globalOffset = GlobalOffset = reader.ReadInt32() - preGlobalOffsetHeaderLength;
// Usually 2 in TIE98
UnknownWord = reader.ReadInt16();
var partCount = reader.ReadInt32();
var partListOffset = reader.ReadInt32();
RootNodes = new Collection <BaseNode>();
foreach (var child in reader.ReadChildren(partCount, partListOffset, this))
{
RootNodes.Add(child);
}
}
internal CoordinateReferenceTuple(OptReader reader)
{
for (int i = 0; i < values.Length; i++)
{
values[i] = reader.ReadInt32();
}
}