public override void CreateConnections(MaterialExpressionPower unrealNode, Material unrealMaterial, ShaderGraphBuilder builder)
{
builder.Connect(unrealNode.Value, unrealNode.Name, 0);
if (unrealNode.Exponent != null)
{
builder.Connect(unrealNode.Exponent, unrealNode.Name, 1);
}
}
public override void CreateConnections(MaterialExpressionAdd unrealNode, Material unrealMaterial, ShaderGraphBuilder builder)
{
if (unrealNode.A != null)
{
builder.Connect(unrealNode.A, unrealNode.Name, 0);
}
if (unrealNode.B != null)
{
builder.Connect(unrealNode.B, unrealNode.Name, 1);
}
}
public override void CreateConnections(MaterialExpressionFresnel unrealNode, Material unrealMaterial, ShaderGraphBuilder builder)
{
if (unrealNode.Normal != null)
{
builder.Connect(unrealNode.Normal, unrealNode.Name, 0);
}
if (unrealNode.BaseReflectFractionIn != null)
{
Debug.Log("FIXME: unhandled fresnel baseReflectFractionIn/baseReflectFraction");
}
if (unrealNode.ExponentIn != null)
{
Debug.Log("FIXME: unhandled fresnel exponentIn/exponent");
}
if (unrealNode.Power != null)
{
builder.Connect(unrealNode.Power, unrealNode.Name, 2);
}
}
public override void CreateConnections(MaterialExpressionMaterialFunctionCall unrealNode, Material unrealMaterial, ShaderGraphBuilder builder)
{
foreach (var functionInput in unrealNode.FunctionInputs)
{
var inputPropertyBag = ValueUtil.ParseAttributeList(functionInput.FindPropertyValue("Input"));
var expressionValue = ValueUtil.ParseExpressionReference(inputPropertyBag.FindPropertyValue("Expression"));
var resolvedFunctionInput = unrealMaterial.ResolveExpressionReference(expressionValue);
if (resolvedFunctionInput != null)
{
var slotId = GetConnectionIdSlotForFunctionInput(inputPropertyBag.FindPropertyValue("InputName"), resolvedFunctionInput);
var inputSlot = builder.FindSlot <MaterialSlot>(resolvedFunctionInput?.Name, unrealNode.Name, slotId, inputPropertyBag);
builder.Connect(resolvedFunctionInput?.Name, unrealNode.Name, slotId, inputPropertyBag);
}
}
}