public static void DepthFirstCollectNodesFromNode(List <AbstractMaterialNode> nodeList, AbstractMaterialNode node,
IncludeSelf includeSelf = IncludeSelf.Include, List <KeyValuePair <ShaderKeyword, int> > keywordPermutation = null)
{
// no where to start
if (node == null)
{
return;
}
// already added this node
if (nodeList.Contains(node))
{
return;
}
IEnumerable <int> ids;
// If this node is a keyword node and we have an active keyword permutation
// The only valid port id is the port that corresponds to that keywords value in the active permutation
if (node is KeywordNode keywordNode && keywordPermutation != null)
{
var valueInPermutation = keywordPermutation.Where(x => x.Key == keywordNode.keyword).FirstOrDefault();
ids = new int[] { keywordNode.GetSlotIdForPermutation(valueInPermutation) };
}
public static void CollectNodesNodeFeedsInto(List <AbstractMaterialNode> nodeList, AbstractMaterialNode node, IncludeSelf includeSelf = IncludeSelf.Include)
{
if (node == null)
{
return;
}
if (nodeList.Contains(node))
{
return;
}
foreach (var slot in node.GetOutputSlots <ISlot>())
{
foreach (var edge in node.owner.GetEdges(slot.slotReference))
{
var inputNode = node.owner.GetNodeFromGuid(edge.inputSlot.nodeGuid);
CollectNodesNodeFeedsInto(nodeList, inputNode);
}
}
if (includeSelf == IncludeSelf.Include)
{
nodeList.Add(node);
}
}
public static void DepthFirstCollectNodesFromNode <T>(List <T> nodeList, T node, IncludeSelf includeSelf = IncludeSelf.Include, List <int> slotIds = null)
where T : AbstractMaterialNode
{
// no where to start
if (node == null)
{
return;
}
// already added this node
if (nodeList.Contains(node))
{
return;
}
IEnumerable <int> ids;
if (slotIds == null)
{
ids = node.GetInputSlots <ISlot>().Select(x => x.id);
}
else
{
ids = node.GetInputSlots <ISlot>().Where(x => slotIds.Contains(x.id)).Select(x => x.id);
}
foreach (var slot in ids)
{
foreach (var edge in node.owner.GetEdges(node.GetSlotReference(slot)))
{
var outputNode = node.owner.GetNodeFromGuid(edge.outputSlot.nodeGuid) as T;
if (outputNode != null)
{
DepthFirstCollectNodesFromNode(nodeList, outputNode);
}
}
}
if (includeSelf == IncludeSelf.Include)
{
nodeList.Add(node);
}
}
public static void DepthFirstCollectNodesFromNode(List <INode> nodeList, INode node, IncludeSelf includeSelf = IncludeSelf.Include, List <int> slotIds = null)
{
// no where to start
if (node == null)
{
return;
}
// already added this node
if (nodeList.Contains(node))
{
return;
}
var ids = node.GetInputSlots <ISlot>().Select(x => x.id);
if (slotIds != null)
{
ids = node.GetInputSlots <ISlot>().Where(x => slotIds.Contains(x.id)).Select(x => x.id);
}
foreach (var slot in ids)
{
foreach (var edge in node.owner.GetEdges(node.GetSlotReference(slot)))
{
var outputNode = node.owner.GetNodeFromGuid(edge.outputSlot.nodeGuid);
DepthFirstCollectNodesFromNode(nodeList, outputNode);
}
}
if (includeSelf == IncludeSelf.Include)
{
nodeList.Add(node);
}
}
