/// <summary>
/// Loops until it gets a new assignment and sends it to the RenderClient (or all assignments have been rendered)
/// </summary>
public void TryToGetNewAssignment()
{
while (Master.singleton.finishedAssignments < Master.singleton.totalNumberOfAssignments - assignmentsAtClients)
{
if (!NetworkSupport.IsConnected(client))
{
LostConnection();
return;
}
Master.singleton.availableAssignments.TryDequeue(out Assignment newAssignment);
if (!Master.singleton.progressData.Continue) // test whether rendering should end (Stop button pressed)
{
return;
}
if (newAssignment == null) // TryDequeue was not succesfull
{
continue;
}
lock (stream)
{
NetworkSupport.SendObject(newAssignment, stream);
assignmentsAtClients++;
unfinishedAssignments.Add(newAssignment);
}
break;
}
}
/// <summary>
/// Sends special Assignment which can signal to client that rendering stopped or that client should be reset and wait for more work
/// </summary>
public void SendSpecialAssignment(Assignment.AssignmentType assignmentType)
{
Assignment newAssignment = new Assignment(assignmentType);
lock (stream)
{
NetworkSupport.SendObject(newAssignment, stream);
}
}
/// <summary>
/// Sends all objects which are necessary to render scene to client
/// Assignment - special type of assignment (reset) to indicate (new) start of work
/// IRayScene - scene representation like solids, textures, lights, camera, ...
/// IRenderer - renderer itself including IImageFunction; needed for RenderPixel method
/// Receives number of threads available to render at RenderClient
/// </summary>
public void ExchangeNecessaryInfo()
{
// Set assemblies - needed for correct serialization/deserialization
NetworkSupport.SendString(Assembly.GetExecutingAssembly().GetName().Name, stream);
string targetAssembly = NetworkSupport.ReceiveString(stream);
NetworkSupport.SetAssemblyNames(Assembly.GetExecutingAssembly().GetName().Name, targetAssembly);
NetworkSupport.SendObject(new Assignment(Assignment.AssignmentType.Reset), stream);
NetworkSupport.SendObject(Master.singleton.scenes[0], stream);
NetworkSupport.SendObject(Master.singleton.renderers[0], stream);
threadCountAtClient = NetworkSupport.ReceiveInt(stream);
}