protected bool IsCompatibleWithSourcePort(NodeReflectionData node)
{
if (sourcePort.direction == Direction.Output)
{
return(node.HasInputOfType(sourcePort.portType));
}
return(node.HasOutputOfType(sourcePort.portType));
}
static NodeReflectionData LoadMethodReflection(MethodInfo method, FuncNodeModuleAttribute moduleAttr)
{
var attr = method.GetCustomAttribute <FuncNodeAttribute>();
var name = attr?.name ?? ObjectNames.NicifyVariableName(method.Name);
var returnPortName = attr?.returnName ?? "Result";
// FuncNode.module can override FuncNodeModule.path.
var path = attr?.module ?? moduleAttr.path;
// FuncNode.classType can override default class type
var classType = attr?.classType ?? typeof(FuncNode);
var node = new NodeReflectionData()
{
type = classType,
path = path?.Split('/'),
name = name,
tooltip = "TODO!",
method = method
};
var parameters = method.GetParameters();
foreach (var parameter in parameters)
{
node.ports.Add(new PortReflectionData()
{
type = parameter.IsOut ?
parameter.ParameterType.GetElementType() :
parameter.ParameterType,
portName = ObjectNames.NicifyVariableName(parameter.Name),
fieldName = parameter.Name,
acceptsMultipleConnections = parameter.IsOut,
isInput = !parameter.IsOut
});
}
// Add an output port for the return value if non-void
if (method.ReturnType != typeof(void))
{
node.ports.Add(new PortReflectionData()
{
type = method.ReturnType,
portName = returnPortName,
fieldName = null,
acceptsMultipleConnections = true,
isInput = false
});
}
// Merge in any reflection data from the wrapper class itself
// Specifically if it contains additional ports to include
node.AddPortsFromClass(classType);
return(node);
}
private bool IsCompatible(Port sourcePort, NodeReflectionData node)
{
if (sourcePort == null)
{
return(true);
}
if (sourcePort.Direction == PortDirection.Input)
{
return(node.HasOutputOfType(sourcePort.Type));
}
return(node.HasInputOfType(sourcePort.Type));
}
/// <summary>
/// Extract NodeField information from class reflection + attributes
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
static NodeReflectionData LoadClassReflection(Type type, NodeAttribute nodeAttr)
{
string name = nodeAttr.name ?? ObjectNames.NicifyVariableName(type.Name);
string path = nodeAttr.module;
var node = new NodeReflectionData()
{
type = type,
path = path?.Split('/'),
name = name,
tooltip = nodeAttr.help
};
node.AddPortsFromClass(type);
return(node);
}
/// <summary>
/// Create a new node from reflection data and insert into the Graph.
/// </summary>
internal void AddNodeFromReflectionData(
NodeReflectionData data,
Vector2 screenPosition,
PortView connectedPort = null
)
{
// Calculate where to place this node on the graph
var windowRoot = m_EditorWindow.rootVisualElement;
var windowMousePosition = m_EditorWindow.rootVisualElement.ChangeCoordinatesTo(
windowRoot.parent,
screenPosition - m_EditorWindow.position.position
);
var graphMousePosition = contentViewContainer.WorldToLocal(windowMousePosition);
// Create a new node instance and set initial data (ports, etc)
Undo.RegisterCompleteObjectUndo(m_Graph, $"Add Node {data.name}");
Debug.Log($"+node {data.name}");
var node = data.CreateInstance();
node.graphPosition = graphMousePosition;
m_Graph.AddNode(node);
m_SerializedGraph.Update();
EditorUtility.SetDirty(m_Graph);
var serializedNodesArr = m_SerializedGraph.FindProperty("nodes");
var nodeIdx = m_Graph.nodes.IndexOf(node);
var serializedNode = serializedNodesArr.GetArrayElementAtIndex(nodeIdx);
// Add a node to the visual graph
var editorType = NodeReflection.GetNodeEditorType(data.type);
var element = Activator.CreateInstance(editorType) as NodeView;
element.Initialize(node, serializedNode, m_EdgeListener);
AddElement(element);
// If there was a provided existing port to connect to, find the best
// candidate port on the new node and connect.
if (connectedPort != null)
{
var edge = new Edge();
if (connectedPort.direction == Direction.Input)
{
edge.input = connectedPort;
edge.output = element.GetCompatibleOutputPort(connectedPort);
}
else
{
edge.output = connectedPort;
edge.input = element.GetCompatibleInputPort(connectedPort);
}
AddEdge(edge, false);
}
Dirty(element);
}
public Node Instantiate(SearchResult result)
{
NodeReflectionData data = result.UserData as NodeReflectionData;
return(data.CreateInstance());
}
