/*!
* Override this function to handle Vixen events.
* If a Vixen event handler has been registered OnVixen will be called.
*/
protected virtual void OnVixen(VixenEventArgs e)
{
if (VixenEvent != null)
{
VixenEvent(this, e);
}
}
/*!
* Events are moved from the Vixen SharedWorld to the C#
* application through a shared event queue. Events
* observed and handled by the Vixen SharedWorld object
* are put into a queue. The Canvas3D class maintains a separate
* thread which waits on this queue and converts any Vixen Events
* it finds into C# Vixen.EventArgs and raises a .NET event
* which can be handled in the C# application.
*/
protected void EventLoop()
{
_stopevents = false;
if ((_world == null) || (_scene == null))
{
return;
}
if ((_world.FileName != null) && SharedWorld.DoAsyncLoad)
{
_world.LoadAsync(_world.FileName, _scene);
}
while (!_stopevents)
{
try
{
Event ev = _world.NextEvent();
if (ev == null)
{
break;
}
string name = ev.GetName();
EventArgs args = new VixenEventArgs(ev, RoutedVixenEvent);
object[] list = { this, args };
VixenEventHandler handler = new VixenEventHandler(PostVixenEvent);
//SharedWorld.Trace("Canvas3D:Event " + name + "\n");
Dispatcher.BeginInvoke(handler, list);
}
catch (Exception ex)
{
SharedWorld.LogError("exception in event loop " + ex.Message);
}
}
_world.Stop();
}
/*!
* Events are moved from the Vixen SharedWorld to the C#
* application through a shared event queue. Events
* observed and handled by the Vixen SharedWorld object
* are put into a queue. The Canvas3D class maintains a separate
* thread which waits on this queue and converts any Vixen Events
* it finds into C# Vixen.EventArgs and raises a .NET event
* which can be handled in the C# application.
*/
protected void EventLoop()
{
SharedWorld world = SharedWorld.Get();
StopEvents = false;
if (world.FileName != null)
{
world.LoadAsync(world.FileName, world.GetScene());
}
while (!StopEvents && (SharedWorld.Get() != null))
{
try
{
Event ev = SharedWorld.Get().NextEvent();
if (ev == null)
{
break;
}
if (ev.GetType() == typeof(TrackEvent))
{
if (ev.Code != Event.TRACK)
{
Console.Write("ERROR: TrackEvent has bad opcode");
}
}
string name = ev.GetName();
EventArgs args = new VixenEventArgs(ev);
object[] list = { this, args };
VixenEventHandler handler = new VixenEventHandler(PostVixenEvent);
Trace("Canvas3D:Event " + name + "\n");
Invoke(handler, list);
}
catch (Exception ex)
{
LogError("exception in event loop " + ex.Message);
}
}
if (SharedWorld.Get() != null)
{
SharedWorld.Get().Stop();
}
}
protected void PostVixenEvent(object sender, VixenEventArgs args)
{
OnVixen(args);
RaiseEvent(args);
args.VixEvent.Code = 0;
}