private void InsertDuplicateNodes(xNode.Node[] nodes, Vector2 topLeft)
{
if (nodes == null || nodes.Length == 0)
{
return;
}
// Get top-left node
Vector2 topLeftNode = nodes.Select(x => x.position)
.Aggregate((x, y) => new Vector2(Mathf.Min(x.x, y.x), Mathf.Min(x.y, y.y)));
Vector2 offset = topLeft - topLeftNode;
UnityEngine.Object[] newNodes = new UnityEngine.Object[nodes.Length];
Dictionary <xNode.Node, xNode.Node> substitutes = new Dictionary <xNode.Node, xNode.Node>();
for (int i = 0; i < nodes.Length; i++)
{
xNode.Node srcNode = nodes[i];
if (srcNode == null)
{
continue;
}
// Check if user is allowed to add more of given node type
xNode.Node.DisallowMultipleNodesAttribute disallowAttrib;
Type nodeType = srcNode.GetType();
if (NodeEditorUtilities.GetAttrib(nodeType, out disallowAttrib))
{
int typeCount = this.graph.nodes.Count(x => x.GetType() == nodeType);
if (typeCount >= disallowAttrib.max)
{
continue;
}
}
xNode.Node newNode = this.graphEditor.CopyNode(srcNode);
substitutes.Add(srcNode, newNode);
newNode.position = srcNode.position + offset;
newNodes[i] = newNode;
}
// Walk through the selected nodes again, recreate connections, using the new nodes
for (int i = 0; i < nodes.Length; i++)
{
xNode.Node srcNode = nodes[i];
if (srcNode == null)
{
continue;
}
foreach (xNode.NodePort port in srcNode.Ports)
{
for (int c = 0; c < port.ConnectionCount; c++)
{
xNode.NodePort inputPort =
port.Direction == xNode.NodePort.IO.Input ? port : port.GetConnection(c);
xNode.NodePort outputPort =
port.Direction == xNode.NodePort.IO.Output ? port : port.GetConnection(c);
xNode.Node newNodeIn, newNodeOut;
if (substitutes.TryGetValue(inputPort.node, out newNodeIn) &&
substitutes.TryGetValue(outputPort.node, out newNodeOut))
{
newNodeIn.UpdatePorts();
newNodeOut.UpdatePorts();
inputPort = newNodeIn.GetInputPort(inputPort.fieldName);
outputPort = newNodeOut.GetOutputPort(outputPort.fieldName);
}
if (!inputPort.IsConnectedTo(outputPort))
{
inputPort.Connect(outputPort);
}
}
}
}
EditorUtility.SetDirty(this.graph);
// Select the new nodes
Selection.objects = newNodes;
}
/// <summary> Draws all connections </summary>
public void DrawConnections()
{
Vector2 mousePos = Event.current.mousePosition;
List <RerouteReference> selection = this.preBoxSelectionReroute != null
? new List <RerouteReference>(this.preBoxSelectionReroute)
: new List <RerouteReference>();
this.hoveredReroute = new RerouteReference();
List <Vector2> gridPoints = new List <Vector2>(2);
Color col = GUI.color;
foreach (xNode.Node node in this.graph.nodes)
{
//If a null node is found, return. This can happen if the nodes associated script is deleted. It is currently not possible in Unity to delete a null asset.
if (node == null)
{
continue;
}
// Draw full connections and output > reroute
foreach (xNode.NodePort output in node.Outputs)
{
//Needs cleanup. Null checks are ugly
if (!this._portConnectionPoints.TryGetValue(output, out var fromRect))
{
continue;
}
Color portColor = this.graphEditor.GetPortColor(output);
for (int k = 0; k < output.ConnectionCount; k++)
{
xNode.NodePort input = output.GetConnection(k);
Gradient noodleGradient = this.graphEditor.GetNoodleGradient(output, input);
float noodleThickness = this.graphEditor.GetNoodleThickness(output, input);
NoodlePath noodlePath = this.graphEditor.GetNoodlePath(output, input);
NoodleStroke noodleStroke = this.graphEditor.GetNoodleStroke(output, input);
// Error handling
if (input == null)
{
continue; //If a script has been updated and the port doesn't exist, it is removed and null is returned. If this happens, return.
}
if (!input.IsConnectedTo(output))
{
input.Connect(output);
}
if (!this._portConnectionPoints.TryGetValue(input, out var toRect))
{
continue;
}
List <Vector2> reroutePoints = output.GetReroutePoints(k);
gridPoints.Clear();
gridPoints.Add(fromRect.center);
gridPoints.AddRange(reroutePoints);
gridPoints.Add(toRect.center);
this.DrawNoodle(noodleGradient, noodlePath, noodleStroke, noodleThickness, gridPoints);
// Loop through reroute points again and draw the points
for (int i = 0; i < reroutePoints.Count; i++)
{
RerouteReference rerouteRef = new RerouteReference(output, k, i);
// Draw reroute point at position
Rect rect = new Rect(reroutePoints[i], new Vector2(12, 12));
rect.position = new Vector2(rect.position.x - 6, rect.position.y - 6);
rect = this.GridToWindowRect(rect);
// Draw selected reroute points with an outline
if (this.selectedReroutes.Contains(rerouteRef))
{
GUI.color = NodeEditorPreferences.GetSettings().highlightColor;
GUI.DrawTexture(rect, NodeEditorResources.dotOuter);
}
GUI.color = portColor;
GUI.DrawTexture(rect, NodeEditorResources.dot);
if (rect.Overlaps(this.selectionBox))
{
selection.Add(rerouteRef);
}
if (rect.Contains(mousePos))
{
this.hoveredReroute = rerouteRef;
}
}
}
}
}
GUI.color = col;
if (Event.current.type != EventType.Layout && currentActivity == NodeActivity.DragGrid)
{
this.selectedReroutes = selection;
}
}