sealed protected override VFXExpression ConvertExpression(VFXExpression expression, VFXSlot sourceSlot)
{
if (sourceSlot != null)
{
if (sourceSlot.GetType() == typeof(VFXSlotDirection))
{
return(expression); //avoid multiple normalization
}
if (sourceSlot.property.attributes != null && sourceSlot.property.attributes.OfType <NormalizeAttribute>().Any())
{
return(expression); //avoid multiple normalization from Normalize attribute (rarely used for output slot)
}
}
if (expression.valueType == VFXValueType.Float4)
{
expression = VFXOperatorUtility.CastFloat(expression, VFXValueType.Float3);
}
return(ApplyPatchExpression(expression));
}