private MFnDependencyNode getBabylonMaterialNode(MFnDependencyNode materialDependencyNode)
{
// Retreive connection
MPlug connectionOutColor = materialDependencyNode.getConnection("outColor");
MPlugArray destinations = new MPlugArray();
connectionOutColor.destinations(destinations);
// Retreive all Babylon Attributes dependency nodes
List <MFnDependencyNode> babylonAttributesNodes = new List <MFnDependencyNode>();
foreach (MPlug destination in destinations)
{
MObject destinationObject = destination.node;
if (destinationObject != null && destinationObject.hasFn(MFn.Type.kPluginHardwareShader))
{
MFnDependencyNode babylonAttributesDependencyNode = new MFnDependencyNode(destinationObject);
if (babylonAttributesDependencyNode.typeId.id == babylonStandardMaterialNode.id ||
babylonAttributesDependencyNode.typeId.id == babylonStingrayPBSMaterialNode.id ||
babylonAttributesDependencyNode.typeId.id == babylonAiStandardSurfaceMaterialNode.id)
{
babylonAttributesNodes.Add(babylonAttributesDependencyNode);
}
}
}
if (babylonAttributesNodes.Count == 0)
{
return(null);
}
else
{
// Occurs only if the user explicitly create a connection with several babylon attributes nodes.
if (babylonAttributesNodes.Count > 1)
{
RaiseWarning("Babylon attributes node attached to a material should be unique. The first one is going to be used.", 2);
}
// Return the first shading engine node
return(babylonAttributesNodes[0]);
}
}
