public static SlotReference DepthFirstCollectRedirectNodeFromNode(RedirectNodeData node)
{
var inputSlot = node.FindSlot <MaterialSlot>(RedirectNodeData.kInputSlotID);
foreach (var edge in node.owner.GetEdges(inputSlot.slotReference))
{
// get the input details
var outputSlotRef = edge.outputSlot;
var inputNode = outputSlotRef.node;
// If this is a redirect node we continue to look for the top one
if (inputNode is RedirectNodeData redirectNode)
{
return(DepthFirstCollectRedirectNodeFromNode(redirectNode));
}
return(outputSlotRef);
}
// If no edges it is the first redirect node without an edge going into it and we should return the slot ref
return(node.GetSlotReference(RedirectNodeData.kInputSlotID));
}
public void RedirectNodes_DoNotAffectOutput()
{
foreach (var slot in m_CFNode.GetInputSlots <MaterialSlot>())
{
var originalValue = m_CFNode.GetSlotValue(slot.id, GenerationMode.ForReals);
// Should only be one edge per slot on this graph
var edge = m_Graph.GetEdges(slot.slotReference).FirstOrDefault();
if (edge == null)
{
continue;
}
var outputNode = edge.outputSlot.node;
var outputSlot = outputNode.GetOutputSlots <MaterialSlot>().First(s => s.id == edge.outputSlot.slotId);
var redirNode = RedirectNodeData.Create(m_Graph, outputSlot.valueType, Vector2.zero, edge.inputSlot, edge.outputSlot, null);
m_Graph.ValidateGraph();
CompileNodeShader(m_CFNode, GenerationMode.Preview, m_CFNode.name);
CompileNodeShader(null, GenerationMode.ForReals, "Master Stack Shader");
// Verify all errors are expected
foreach (var message in m_Graph.messageManager.GetNodeMessages())
{
if (message.Value.Exists(msg => msg.severity == ShaderCompilerMessageSeverity.Error))
{
Assert.Fail(message.Value.FirstOrDefault().message);
}
}
var redirectedValue = m_CFNode.GetSlotValue(slot.id, GenerationMode.ForReals);
var previewValue = m_CFNode.GetSlotValue(slot.id, GenerationMode.Preview);
Assert.AreEqual(originalValue, redirectedValue, $"Value of slot {slot.displayName} changed in final shader with redirect node");
Assert.AreEqual(originalValue, previewValue, $"Value of slot {slot.displayName} changed in preview shader with redirect node");
m_Graph.RemoveNode(redirNode);
m_Graph.ClearErrorsForNode(m_CFNode);
}
}
