void IEdgeConnectorListener.OnDrop(GraphView graphView, Edge edge)
{
VFXView view = graphView as VFXView;
VFXDataEdge dataEdge = edge as VFXDataEdge;
VFXDataEdgeController edgeController = new VFXDataEdgeController(dataEdge.input.controller, dataEdge.output.controller);
view.controller.AddElement(edgeController);
}
IEnumerable<VFXDataEdge> GetAllEdges()
{
VFXView view = GetFirstAncestorOfType<VFXView>();
foreach (var edgeController in controller.connections)
{
VFXDataEdge edge = view.GetDataEdgeByController(edgeController as VFXDataEdgeController);
if (edge != null)
yield return edge;
}
}
void IEdgeConnectorListener.OnDropOutsidePort(Edge edge, Vector2 position)
{
VFXSlot startSlot = controller.model;
VFXView view = this.GetFirstAncestorOfType <VFXView>();
VFXViewController viewController = view.controller;
List <VisualElement> picked = new List <VisualElement>();
panel.PickAll(position, picked);
VFXNodeUI endNode = null;
foreach (var element in picked)
{
if (element is VFXNodeUI node)
{
endNode = node;
break;
}
}
VFXDataEdge dataEdge = edge as VFXDataEdge;
bool exists = false;
if (dataEdge.controller != null)
{
exists = true;
view.controller.RemoveElement(dataEdge.controller);
}
if (endNode != null)
{
VFXNodeController nodeController = endNode.controller;
if (nodeController != null)
{
IVFXSlotContainer slotContainer = nodeController.slotContainer;
if (controller.direction == Direction.Input)
{
foreach (var output in nodeController.outputPorts.Where(t => t.model == null || t.model.IsMasterSlot()))
{
if (viewController.CreateLink(controller, output))
{
break;
}
}
}
else
{
foreach (var input in nodeController.inputPorts.Where(t => t.model == null || t.model.IsMasterSlot() && !t.model.HasLink(true)))
{
if (viewController.CreateLink(input, controller))
{
break;
}
}
}
}
}
else if (controller.direction == Direction.Input && Event.current.modifiers == EventModifiers.Alt)
{
var targetType = controller.portType;
var attribute = VFXLibrary.GetAttributeFromSlotType(controller.portType);
VFXModelDescriptorParameters parameterDesc;
if (attribute != null && attribute.usages.HasFlag(VFXTypeAttribute.Usage.ExcludeFromProperty))
{
parameterDesc = VFXLibrary.GetParameters().FirstOrDefault(t =>
{
if (!t.model.outputSlots[0].CanLink(controller.model))
{
return(false);
}
var attributeCandidate = VFXLibrary.GetAttributeFromSlotType(t.model.type);
return(attributeCandidate == null || !attributeCandidate.usages.HasFlag(VFXTypeAttribute.Usage.ExcludeFromProperty));
});
}
else
{
parameterDesc = VFXLibrary.GetParameters().FirstOrDefault(t =>
{
return(t.model.type == targetType);
});
}
if (parameterDesc != null)
{
Vector2 pos = view.contentViewContainer.GlobalToBound(position) - new Vector2(140, 20);
view.UpdateSelectionWithNewNode();
VFXParameter parameter = viewController.AddVFXParameter(pos, parameterDesc, false);
parameter.SetSettingValue("m_Exposed", true);
startSlot.Link(parameter.outputSlots[0]);
CopyValueToParameter(parameter);
viewController.AddVFXModel(pos, parameter);
}
}
else if (!exists)
{
var window = VFXViewWindow.GetWindow(view);
if (direction == Direction.Input || viewController.model.visualEffectObject is VisualEffectSubgraphOperator || viewController.model.visualEffectObject is VisualEffectSubgraphBlock) // no context for subgraph operators.
{
VFXFilterWindow.Show(window, Event.current.mousePosition, view.ViewToScreenPosition(Event.current.mousePosition), new VFXNodeProvider(viewController, AddLinkedNode, ProviderFilter, new Type[] { typeof(VFXOperator), typeof(VFXParameter) }));
}
else
{
VFXFilterWindow.Show(window, Event.current.mousePosition, view.ViewToScreenPosition(Event.current.mousePosition), new VFXNodeProvider(viewController, AddLinkedNode, ProviderFilter, new Type[] { typeof(VFXOperator), typeof(VFXParameter), typeof(VFXContext) }));
}
}
}
void IEdgeConnectorListener.OnDropOutsidePort(Edge edge, Vector2 position)
{
VFXSlot startSlot = controller.model;
VFXView view = this.GetFirstAncestorOfType <VFXView>();
VFXViewController viewController = view.controller;
VFXNodeUI endNode = null;
foreach (var node in view.GetAllNodes())
{
if (node.worldBound.Contains(position))
{
endNode = node;
}
}
VFXDataEdge dataEdge = edge as VFXDataEdge;
bool exists = false;
if (dataEdge.controller != null)
{
exists = true;
view.controller.RemoveElement(dataEdge.controller);
}
if (endNode != null)
{
VFXNodeController nodeController = endNode.controller;
if (nodeController != null)
{
IVFXSlotContainer slotContainer = nodeController.slotContainer;
if (controller.direction == Direction.Input)
{
foreach (var output in nodeController.outputPorts.Where(t => t.model == null || t.model.IsMasterSlot()))
{
if (viewController.CreateLink(controller, output))
{
break;
}
}
}
else
{
foreach (var input in nodeController.inputPorts.Where(t => t.model == null || t.model.IsMasterSlot()))
{
if (viewController.CreateLink(input, controller))
{
break;
}
}
}
}
}
else if (controller.direction == Direction.Input && Event.current.modifiers == EventModifiers.Alt)
{
VFXModelDescriptorParameters parameterDesc = VFXLibrary.GetParameters().FirstOrDefault(t => t.name == controller.portType.UserFriendlyName());
if (parameterDesc != null)
{
VFXParameter parameter = viewController.AddVFXParameter(view.contentViewContainer.GlobalToBound(position) - new Vector2(140, 20), parameterDesc);
parameter.SetSettingValue("m_Exposed", true);
startSlot.Link(parameter.outputSlots[0]);
CopyValueToParameter(parameter);
}
}
else if (!exists)
{
VFXFilterWindow.Show(VFXViewWindow.currentWindow, Event.current.mousePosition, view.ViewToScreenPosition(Event.current.mousePosition), new VFXNodeProvider(viewController, AddLinkedNode, ProviderFilter, new Type[] { typeof(VFXOperator), typeof(VFXParameter), typeof(VFXContext) }));
}
}