protected void PushReceiver(IInputReceiver receiver, int layerID)
{
if (IndexOfReceiver(receiver) >= 0)
{
throw new ArgumentException("Receiver is already active");
}
LayerDefinition definition = GetLayerDefinition(layerID);
if (definition == null)
{
throw new ArgumentNullException(string.Format("Layer with ID: {0} was not found.", layerID));
}
InputLayer newLayer = new InputLayer(receiver, definition);
int count = m_ActiveLayers.Count;
for (int x = 0; x != count; ++x)
{
InputLayer layer = m_ActiveLayers[x];
if (layer.Definition.Priority > definition.Priority)
{
m_ActiveLayers.Insert(x, newLayer);
return;
}
}
m_ActiveLayers.Add(newLayer);
}
protected int IndexOfReceiver(IInputReceiver receiver)
{
int count = m_ActiveLayers.Count;
for (int x = 0; x != count; ++x)
{
InputLayer layer = m_ActiveLayers[x];
if (layer.Receiver == receiver)
{
return(x);
}
}
return(-1);
}
private void UpdateActiveLayers()
{
bool isActive = true;
int count = m_ActiveLayers.Count - 1;
for (int x = count; x >= 0; --x)
{
InputLayer layer = m_ActiveLayers[x];
layer.IsActive = isActive;
if (isActive)
{
layer.Receiver.UpdateInput(this);
}
if (layer.Definition.Block)
{
isActive = false;
}
}
}
