public override int GetConnectionSlotId(AbstractMaterialNode from, AbstractMaterialNode to, int toSlotId, ParsedPropertyBag propertyBag)
{
var hasR = propertyBag.HasProperty("MaskR");
var hasG = propertyBag.HasProperty("MaskG");
var hasB = propertyBag.HasProperty("MaskB");
var hasA = propertyBag.HasProperty("MaskA");
if (hasR && hasG && hasB && hasA)
{
return(SampleTexture2DNode.OutputSlotRGBAId);
}
else if (hasR && hasG && hasB)
{
// should this be only RGB instead?
return(SampleTexture2DNode.OutputSlotRGBAId);
}
else if (hasR)
{
return(SampleTexture2DNode.OutputSlotRId);
}
else if (hasG)
{
return(SampleTexture2DNode.OutputSlotGId);
}
else if (hasB)
{
return(SampleTexture2DNode.OutputSlotBId);
}
return(SampleTexture2DNode.OutputSlotRGBAId);
}
public override int GetConnectionSlotId(AbstractMaterialNode from, AbstractMaterialNode to, int toSlotId, ParsedPropertyBag propertyBag)
{
var hasR = propertyBag.HasProperty("MaskR");
var hasG = propertyBag.HasProperty("MaskG");
var hasB = propertyBag.HasProperty("MaskB");
var hasA = propertyBag.HasProperty("MaskA");
if (hasA || !hasR || !hasG || !hasB)
{
// FIXME:
throw new System.Exception("unhandled vector parameter mask");
}
return(PropertyNode.OutputSlotId);
}
public void Connect(ParsedPropertyBag propertyBag, string toUnrealNodeName, int toSlotId)
{
if (null == propertyBag)
{
return;
}
if (!propertyBag.HasProperty("Expression"))
{
return;
}
var expressionValue = propertyBag.FindPropertyValue("Expression");
var expression = ValueUtil.ParseExpressionReference(expressionValue);
Connect(expression.NodeName, toUnrealNodeName, toSlotId, propertyBag);
}