/// <summary>
/// Registers the given view on this thread.
/// </summary>
internal void RegisterView(IInputEnabledView view)
{
view.EnsureNotNull(nameof(view));
m_commandQueue.Enqueue(() =>
{
List <IInputHandler> inputHandlers = InputHandlerFactory.CreateInputHandlersForView(view);
if (inputHandlers == null)
{
return;
}
if (inputHandlers.Count == 0)
{
return;
}
// Deregister old input handlers if necessary
if (m_viewInputHandlers.ContainsKey(view))
{
List <IInputHandler> oldList = m_viewInputHandlers[view];
foreach (IInputHandler actOldInputHanlder in oldList)
{
actOldInputHanlder.Stop();
}
m_viewInputHandlers.Remove(view);
}
// Register new ones
m_viewInputHandlers[view] = inputHandlers;
foreach (IInputHandler actInputHandler in inputHandlers)
{
actInputHandler.Start(view);
}
});
}
protected override void OnTick(EventArgs eArgs)
{
base.OnTick(eArgs);
if (!GraphicsCore.IsInitialized)
{
return;
}
// Query for all input handlers on first tick
if (m_globalInputHandlers == null)
{
m_globalInputHandlers = InputHandlerFactory.CreateInputHandlersForGlobal();
foreach (IInputHandler actInputHandler in m_globalInputHandlers)
{
actInputHandler.Start(null);
}
}
// Execute all commands within the command queue
if (m_commandQueue.Count > 0)
{
Action actCommand = null;
while (m_commandQueue.Dequeue(out actCommand))
{
actCommand();
}
}
// Gather all input data
int expectedStateCount = m_lastInputFrame != null ? m_lastInputFrame.CountStates : 6;
// Create new InputFrame object or reuse an old one
InputFrame newInputFrame = null;
if (m_recoveredInputFrames.Dequeue(out newInputFrame))
{
newInputFrame.Reset(expectedStateCount, SINGLE_FRAME_DURATION);
}
else
{
newInputFrame = new InputFrame(expectedStateCount, SINGLE_FRAME_DURATION);
}
// Gather all input states
foreach (IInputHandler actInputHandler in m_globalInputHandlers)
{
foreach (InputStateBase actInputState in actInputHandler.GetInputStates())
{
actInputState.EnsureNotNull(nameof(actInputState));
newInputFrame.AddCopyOfState(actInputState, null);
}
}
foreach (KeyValuePair <IInputEnabledView, List <IInputHandler> > actViewSpecificHandlers in m_viewInputHandlers)
{
RenderLoop renderLoop = actViewSpecificHandlers.Key.RenderLoop;
if (renderLoop == null)
{
continue;
}
foreach (IInputHandler actInputHandler in actViewSpecificHandlers.Value)
{
foreach (InputStateBase actInputState in actInputHandler.GetInputStates())
{
actInputState.EnsureNotNull(nameof(actInputState));
newInputFrame.AddCopyOfState(actInputState, renderLoop.ViewInformation);
}
}
}
// Store the generated InputFrame
m_lastInputFrame = newInputFrame;
m_gatheredInputFrames.Enqueue(newInputFrame);
// Ensure that we hold input frames for a maximum time range of a second
// (older input is obsolete)
while (m_gatheredInputFrames.Count > Constants.INPUT_FRAMES_PER_SECOND)
{
InputFrame dummyFrame = null;
m_gatheredInputFrames.Dequeue(out dummyFrame);
}
}