IEdge ConnectNoValidate(SlotReference fromSlotRef, SlotReference toSlotRef)
{
var fromNode = GetNodeFromGuid(fromSlotRef.nodeGuid);
var toNode = GetNodeFromGuid(toSlotRef.nodeGuid);
if (fromNode == null || toNode == null)
{
return(null);
}
// if fromNode is already connected to toNode
// do now allow a connection as toNode will then
// have an edge to fromNode creating a cycle.
// if this is parsed it will lead to an infinite loop.
var dependentNodes = new List <AbstractMaterialNode>();
NodeUtils.CollectNodesNodeFeedsInto(dependentNodes, toNode);
if (dependentNodes.Contains(fromNode))
{
return(null);
}
var fromSlot = fromNode.FindSlot <ISlot>(fromSlotRef.slotId);
var toSlot = toNode.FindSlot <ISlot>(toSlotRef.slotId);
if (fromSlot.isOutputSlot == toSlot.isOutputSlot)
{
return(null);
}
var outputSlot = fromSlot.isOutputSlot ? fromSlotRef : toSlotRef;
var inputSlot = fromSlot.isInputSlot ? fromSlotRef : toSlotRef;
s_TempEdges.Clear();
GetEdges(inputSlot, s_TempEdges);
// remove any inputs that exits before adding
foreach (var edge in s_TempEdges)
{
RemoveEdgeNoValidate(edge);
}
var newEdge = new Edge(outputSlot, inputSlot);
m_Edges.Add(newEdge);
m_AddedEdges.Add(newEdge);
AddEdgeToNodeEdges(newEdge);
//Debug.LogFormat("Connected edge: {0} -> {1} ({2} -> {3})\n{4}", newEdge.outputSlot.nodeGuid, newEdge.inputSlot.nodeGuid, fromNode.name, toNode.name, Environment.StackTrace);
return(newEdge);
}
void OnNodeChanged(INode inNode, ModificationScope scope)
{
if (m_GraphView == null)
{
return;
}
var dependentNodes = new List <INode>();
NodeUtils.CollectNodesNodeFeedsInto(dependentNodes, inNode);
foreach (var node in dependentNodes)
{
var theViews = m_GraphView.nodes.ToList().OfType <MaterialNodeView>();
var viewsFound = theViews.Where(x => x.node.guid == node.guid).ToList();
foreach (var drawableNodeData in viewsFound)
{
drawableNodeData.OnModified(scope);
}
}
}
