public bool CanLinkToNode(VFXNodeController nodeController, CanLinkCache cache)
{
if (nodeController == sourceNode)
{
return(false);
}
if (cache == null)
{
cache = new CanLinkCache();
}
cache.localChildrenOperator.Clear();
cache.localParentOperator.Clear();
bool result;
if (direction != Direction.Input)
{
VFXViewController.CollectAncestorOperator(sourceNode.slotContainer, cache.localParentOperator);
result = !cache.localParentOperator.Contains(nodeController.slotContainer);
}
else
{
VFXViewController.CollectDescendantOperator(sourceNode.slotContainer, cache.localChildrenOperator);
result = !cache.localChildrenOperator.Contains(nodeController.slotContainer);
}
return(result);
}
public bool CanLinkToNode(VFXNodeController nodeController, CanLinkCache cache)
{
if (nodeController == sourceNode)
{
return(false);
}
if (cache == null)
{
cache = new CanLinkCache();
}
cache.localChildrenOperator.Clear();
cache.localParentOperator.Clear();
bool result;
if (direction != Direction.Input)
{
VFXViewController.CollectAncestorOperator(sourceNode.slotContainer, cache.localParentOperator);
#if _RESTRICT_ATTRIBUTE_ACCESS
if (cache.localParentOperator.Any(o => DependOnAttribute(o)))
{
if (cache.ancestorOfSpawners == null)
{
cache.ancestorOfSpawners = CollectAnscestorOfSpawner(viewController.AllSlotContainerControllers);
}
var additionnalExcludeOperator = cache.ancestorOfSpawners;
cache.localChildrenOperator.UnionWith(additionnalExcludeOperator);
}
#endif
result = !cache.localParentOperator.Contains(nodeController.slotContainer);
}
else
{
VFXViewController.CollectDescendantOperator(sourceNode.slotContainer, cache.localChildrenOperator);
#if _RESTRICT_ATTRIBUTE_ACCESS
var contextTypeInChildren = cache.localChildrenOperator.OfType <VFXBlock>().Select(o => o.GetParent().contextType);
if (contextTypeInChildren.Any(o => o == VFXContextType.Spawner))
{
if (cache.descendantOfAttribute == null)
{
cache.descendantOfAttribute = CollectDescendantOfAttribute(viewController.AllSlotContainerControllers);
}
var additionnalExcludeOperator = cache.descendantOfAttribute;
return(!cache.localParentOperator.Contains(sourceNode.slotContainer) && !additionnalExcludeOperator.Contains(nodeController.slotContainer));
}
#endif
result = !cache.localChildrenOperator.Contains(nodeController.slotContainer);
}
return(result);
}
public virtual bool CanLink(VFXDataAnchorController controller, CanLinkCache cache = null)
{
if (controller.model != null)
{
if (model.CanLink(controller.model) && controller.model.CanLink(model))
{
if (!CanLinkToNode(controller.sourceNode, cache))
{
return(false);
}
return(true);
}
return(sourceNode.CouldLink(this, controller, cache));
}
return(controller.CanLink(this, cache));
}
public override bool CanLink(VFXDataAnchorController controller, CanLinkCache cache = null)
{
var op = (sourceNode as VFXCascadedOperatorController);
if (op == null)
{
return(false);
}
if (controller is VFXUpcommingDataAnchorController)
{
return(false);
}
if (!CanLinkToNode(controller.sourceNode, cache))
{
return(false);
}
return(op.model.GetBestAffinityType(controller.model.property.type) != null);
}