protected override VFXExpression[] BuildExpression(VFXExpression[] inputExpression)
{
if (subgraph == null)
{
return(new VFXExpression[0]);
}
if (m_SubChildren == null)
{
RecreateCopy();
}
// Change all the inputExpressions of the parameters.
var parameters = GetParameters(t => VFXSubgraphUtility.InputPredicate(t)).OrderBy(t => t.order);
var backedUpExpressions = new List <VFXExpression>();
VFXSubgraphUtility.TransferExpressionToParameters(inputExpression, parameters, backedUpExpressions);
List <VFXExpression> outputExpressions = new List <VFXExpression>();
foreach (var param in GetParameters(t => VFXSubgraphUtility.OutputPredicate(t)))
{
outputExpressions.AddRange(param.inputSlots[0].GetExpressionSlots().Select(t => t.GetExpression()));
}
foreach (var param in parameters)
{
param.ResetOutputValueExpression();
}
VFXSubgraphUtility.TransferExpressionToParameters(backedUpExpressions, parameters);
return(outputExpressions.ToArray());
}
void PatchInputExpressions()
{
if (m_SubChildren == null)
{
return;
}
var toInvalidate = new HashSet <VFXSlot>();
var inputExpressions = new List <VFXExpression>();
foreach (var slot in inputSlots)
{
var expression = slot.GetExpression();
if (expression == null)
{
foreach (var subSlot in inputSlots.SelectMany(t => t.GetExpressionSlots()))
{
inputExpressions.Add(subSlot.GetExpression());
}
}
else
{
inputExpressions.Add(expression);
}
}
VFXSubgraphUtility.TransferExpressionToParameters(inputExpressions, GetParameters(t => VFXSubgraphUtility.InputPredicate(t)));
foreach (var slot in toInvalidate)
{
slot.InvalidateExpressionTree();
}
}
protected override VFXExpression[] BuildExpression(VFXExpression[] inputExpression)
{
if (m_Subgraph == null)
{
return(new VFXExpression[0]);
}
VFXGraph graph = m_Subgraph.GetResource().GetOrCreateGraph();
// Change all the inputExpressions of the parameters.
var parameters = GetParameters(t => VFXSubgraphUtility.InputPredicate(t));
VFXSubgraphUtility.TransferExpressionToParameters(inputExpression, parameters);
List <VFXExpression> outputExpressions = new List <VFXExpression>();
foreach (var param in GetParameters(t => VFXSubgraphUtility.OutputPredicate(t)))
{
outputExpressions.AddRange(param.inputSlots[0].GetVFXValueTypeSlots().Select(t => t.GetExpression()));
}
foreach (var param in GetParameters(t => VFXSubgraphUtility.InputPredicate(t)))
{
param.ResetOutputValueExpression();
}
return(outputExpressions.ToArray());
}
IEnumerable <VFXParameter> GetParameters(Func <VFXParameter, bool> predicate)
{
if (m_Subgraph == null)
{
return(Enumerable.Empty <VFXParameter>());
}
VFXGraph graph = m_Subgraph.GetResource().GetOrCreateGraph();
return(VFXSubgraphUtility.GetParameters(graph.children, predicate));
}
IEnumerable <VFXParameter> GetParameters(Func <VFXParameter, bool> predicate)
{
if (m_Subgraph == null && !object.ReferenceEquals(m_Subgraph, null))
{
m_Subgraph = EditorUtility.InstanceIDToObject(m_Subgraph.GetInstanceID()) as VisualEffectSubgraphOperator;
}
if (m_Subgraph == null)
{
return(Enumerable.Empty <VFXParameter>());
}
VFXGraph graph = subgraph.GetResource().GetOrCreateGraph();
return(VFXSubgraphUtility.GetParameters(m_SubChildren, predicate));
}
public void PatchInputExpressions()
{
if (m_SubChildren == null)
{
return;
}
var inputExpressions = new List <VFXExpression>();
foreach (var slot in inputSlots.SelectMany(t => t.GetExpressionSlots()))
{
inputExpressions.Add(slot.GetExpression());
}
VFXSubgraphUtility.TransferExpressionToParameters(inputExpressions, GetParameters(t => VFXSubgraphUtility.InputPredicate(t)).OrderBy(t => t.order));
}