public EffectNode(NodeContext nodeContext, EffectNodeDescription description) : base(nodeContext, description)
{
graphicsDevice = description.Factory.DeviceManager.GraphicsDevice;
instance = new DynamicEffectInstance(description.Name);
instance.Initialize(description.Factory.ServiceRegistry);
instance.UpdateEffect(graphicsDevice);
parameters = instance.Parameters;
Inputs = description.CreateNodeInputs(this, parameters);
Outputs = description.CreateNodeOutputs(this, parameters);
perFrameParams = parameters.GetWellKnownParameters(WellKnownParameters.PerFrameMap).ToArray();
perViewParams = parameters.GetWellKnownParameters(WellKnownParameters.PerViewMap).ToArray();
perDrawParams = parameters.GetWellKnownParameters(WellKnownParameters.PerDrawMap).ToArray();
if (perDrawParams.Length > 0)
{
worldPin = Inputs.OfType <ConvertedValueParameterPin <Matrix, SharpDX.Matrix> >().FirstOrDefault(p => p.Key == TransformationKeys.World);
}
if (Inputs.Length > 0)
{
customParameterSetterPin = Inputs[Inputs.Length - 1] as Pin <Action <ParameterCollection, RenderView, RenderDrawContext> >;
}
}
void UpdateNodeDescriptions()
{
var descriptions = nodeDescriptions.ToArray();
for (int i = 0; i < descriptions.Length; i++)
{
var description = descriptions[i] as EffectNodeDescription;
if (description == null || !description.IsInUse)
{
continue;
}
var updatedDescription = new EffectNodeDescription(this, description.Name);
if (!updatedDescription.Inputs.SequenceEqual(description.Inputs, PinComparer.Instance) ||
!updatedDescription.Outputs.SequenceEqual(description.Outputs, PinComparer.Instance))
{
// Signature change, force a new compilation
nodeDescriptions[i] = updatedDescription;
}
}
}
public EffectNodeBase(NodeContext nodeContext, EffectNodeDescription description) : base(nodeContext)
{
this.description = description;
}