public void DrawLinks()
{
Vector2 mousePos = Event.current.mousePosition;
List <RerouteReference> selection = preBoxSelectionReroute != null ? new List <RerouteReference>(preBoxSelectionReroute) : new List <RerouteReference>();
hoveredReroute = new RerouteReference();
List <Vector2> gridPoints = new List <Vector2>(2);
Color col = GUI.color;
foreach (XNode.Node node in 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;
}
var links = XNode.NodeDataCache.GetOutputLinks(node.GetType()).Select(x => new NodeLinkPort(node, x));
// Draw full connections and output > reroute
foreach (var output in links)
{
//Needs cleanup. Null checks are ugly
Rect fromRect;
if (!linkConnectionPoints.TryGetValue(output, out fromRect))
{
continue;
}
Color portColor = graphEditor.GetLinkColor(output.Item2);
List <NodeLink> connections = output.GetConnections();
for (int k = 0; k < connections.Count; k++)
{
NodeLink link = connections[k];
if (!link)
{
Debug.LogWarning("There was a null entry in a node's connected links list. Removing.");
output.VerifyConnections();
connections.RemoveAt(k);
k--;
continue;
}
NodeLinkPort input = link.GetToPort();
Gradient noodleGradient = graphEditor.GetNoodleGradient(output, input);
float noodleThickness = graphEditor.GetNoodleThickness(link);
NoodlePath noodlePath = graphEditor.GetNoodlePath(output, input);
NoodleStroke noodleStroke = 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);
Rect toRect;
if (!linkConnectionPoints.TryGetValue(input, out toRect))
{
continue;
}
List <Vector2> reroutePoints = link.reroutePoints;
gridPoints.Clear();
gridPoints.Add(fromRect.center);
gridPoints.AddRange(reroutePoints);
gridPoints.Add(toRect.center);
DrawNoodle(noodleGradient, noodlePath, noodleStroke, noodleThickness, gridPoints, link);
// 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 = GridToWindowRect(rect);
// TODO:
//// Draw selected reroute points with an outline
//if (selectedReroutes.Contains(rerouteRef)) {
// GUI.color = NodeEditorPreferences.GetSettings().highlightColor;
// GUI.DrawTexture(rect, NodeEditorResources.dotOuter);
//}
GUI.color = portColor;
GUI.DrawTexture(rect, NodeEditorResources.dot);
//if (rect.Overlaps(selectionBox)) selection.Add(rerouteRef);
//if (rect.Contains(mousePos)) hoveredReroute = rerouteRef;
}
}
}
GUI.color = col;
if (Event.current.type != EventType.Layout && currentActivity == NodeActivity.DragGrid)
{
selectedReroutes = selection;
}
}
}
