public void SerialiseObject(MfcObject mfcObject)
{
if (mfcObject == null)
{
_stream.Write((ushort)NullTag);
return;
}
int prevObjectIndex = _loadedObjects.IndexOf(mfcObject);
if (prevObjectIndex >= 0)
{
// We have already serialised this object and do not need to do so again
if (prevObjectIndex >= BigObjectTag)
{
throw new NotImplementedException("Object count >= 0x7fff not yet supported");
}
_stream.Write((ushort)prevObjectIndex);
return;
}
// A new object, possibly with a new class
_loadedObjects.Add(mfcObject);
MfcClass mfcClass = _classRegistry.GetMfcClass(mfcObject.GetType());
int prevClassIndex = _loadedClasses.IndexOf(mfcClass);
if (prevClassIndex <= 0)
{
// A new class
_loadedClasses.Add(mfcClass);
_stream.Write((ushort)NewClassTag);
_stream.Write((ushort)mfcClass.SchemaVersion);
_stream.Write((ushort)mfcClass.Name.Length);
_stream.WriteAsciiString(mfcClass.Name);
}
else
{
// A previously written class
_stream.Write((ushort)(prevClassIndex | ClassTag));
}
mfcObject.Serialise(this);
}
/// <summary>
/// Deserialises an object of type T without reading in the header.
/// This implies it must be a new object and not one that has already
/// been loaded since there is no object tag to reference the loaded list.
/// </summary>
public T DeserialiseObjectNoHeader <T>() where T : MfcObject
{
MfcClass mfcClass = _classRegistry.GetMfcClass(typeof(T));
return(DeserialiseNewObject <T>(mfcClass));
}