public override void CreateConnections(MaterialExpressionAppendVector unrealNode, Material unrealMaterial, ShaderGraphBuilder builder)
{
if (unrealNode.A != null)
{
var a = unrealMaterial.ResolveExpressionReference(
ValueUtil.ParseExpressionReference(unrealNode.A.FindPropertyValue("Expression"))
);
var aSlot = builder.FindSlot <MaterialSlot>(a?.Name, unrealNode.Name, 0, unrealNode.A);
if (aSlot.concreteValueType == ConcreteSlotValueType.Vector4 || aSlot.concreteValueType == ConcreteSlotValueType.Vector3)
{
builder.Connect(a?.Name, unrealNode.Name, 0, unrealNode.A);
builder.Connect(a?.Name, unrealNode.Name, 1, unrealNode.A);
builder.Connect(a?.Name, unrealNode.Name, 2, unrealNode.A);
}
else if (aSlot.concreteValueType == ConcreteSlotValueType.Vector2)
{
builder.Connect(a?.Name, unrealNode.Name, 0, unrealNode.A);
builder.Connect(a?.Name, unrealNode.Name, 1, unrealNode.A);
}
else if (aSlot.concreteValueType == ConcreteSlotValueType.Vector1)
{
builder.Connect(a?.Name, unrealNode.Name, 0, unrealNode.A);
}
else
{
throw new System.Exception("FIXME: unhandled vector type");
}
}
if (unrealNode.B != null)
{
var b = unrealMaterial.ResolveExpressionReference(
ValueUtil.ParseExpressionReference(unrealNode.B.FindPropertyValue("Expression"))
);
var bSlot = builder.FindSlot <MaterialSlot>(b?.Name, unrealNode.Name, 0, unrealNode.B);
if (bSlot.concreteValueType == ConcreteSlotValueType.Vector4 || bSlot.concreteValueType == ConcreteSlotValueType.Vector3)
{
builder.Connect(b?.Name, unrealNode.Name, 0, unrealNode.B);
builder.Connect(b?.Name, unrealNode.Name, 1, unrealNode.B);
builder.Connect(b?.Name, unrealNode.Name, 2, unrealNode.B);
}
else if (bSlot.concreteValueType == ConcreteSlotValueType.Vector2)
{
builder.Connect(b?.Name, unrealNode.Name, 1, unrealNode.B);
builder.Connect(b?.Name, unrealNode.Name, 2, unrealNode.B);
}
else if (bSlot.concreteValueType == ConcreteSlotValueType.Vector1)
{
builder.Connect(b?.Name, unrealNode.Name, 1, unrealNode.B);
}
else
{
throw new System.Exception("FIXME: unhandled vector type");
}
}
}
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);
}
}
}