/// <summary> Swap connections with another node </summary>
public void SwapConnections(NodePort targetPort)
{
int aConnectionCount = connections.Count;
int bConnectionCount = targetPort.connections.Count;
List <NodePort> portConnections = new List <NodePort>();
List <NodePort> targetPortConnections = new List <NodePort>();
// Cache port connections
for (int i = 0; i < aConnectionCount; i++)
{
portConnections.Add(connections[i].Port);
}
// Cache target port connections
for (int i = 0; i < bConnectionCount; i++)
{
targetPortConnections.Add(targetPort.connections[i].Port);
}
ClearConnections();
targetPort.ClearConnections();
// Add port connections to targetPort
for (int i = 0; i < portConnections.Count; i++)
{
targetPort.Connect(portConnections[i]);
}
// Add target port connections to this one
for (int i = 0; i < targetPortConnections.Count; i++)
{
Connect(targetPortConnections[i]);
}
}
/// <summary> Show right-click context menu for hovered port </summary>
void ShowPortContextMenu(XNode.NodePort hoveredPort)
{
GenericMenu contextMenu = new GenericMenu();
contextMenu.AddItem(new GUIContent("Clear Connections"), false, () => hoveredPort.ClearConnections());
contextMenu.DropDown(new Rect(Event.current.mousePosition, Vector2.zero));
if (NodeEditorPreferences.GetSettings().autoSave)
{
AssetDatabase.SaveAssets();
}
}
public bool RemoveInstancePort(string fieldName)
{
NodePort port = GetPort(fieldName);
if (port == null || port.IsStatic)
{
return(false);
}
port.ClearConnections();
ports.Remove(fieldName);
return(true);
}
/// <summary> Remove an instance port from the node </summary>
public void RemoveInstancePort(NodePort port)
{
if (port == null)
{
throw new ArgumentNullException("port");
}
else if (port.IsStatic)
{
throw new ArgumentException("cannot remove static port");
}
port.ClearConnections();
ports.Remove(port.fieldName);
}
/// <summary> Connect this <see cref="NodePort"/> to another </summary>
/// <param name="port">The <see cref="NodePort"/> to connect to</param>
public void Connect(NodePort port)
{
if (connections == null)
{
connections = new List <PortConnection>();
}
if (port == null)
{
Debug.LogWarning("Cannot connect to null port"); return;
}
if (port == this)
{
Debug.LogWarning("Cannot connect port to self."); return;
}
if (IsConnectedTo(port))
{
Debug.LogWarning("Port already connected. "); return;
}
if (direction == port.direction)
{
Debug.LogWarning("Cannot connect two " + (direction == IO.Input ? "input" : "output") + " connections"); return;
}
#if UNITY_EDITOR
UnityEditor.Undo.RecordObject(node, "Connect Port");
UnityEditor.Undo.RecordObject(port.node, "Connect Port");
#endif
if (port.connectionType == Node.ConnectionType.Override && port.ConnectionCount != 0)
{
port.ClearConnections();
}
if (connectionType == Node.ConnectionType.Override && ConnectionCount != 0)
{
ClearConnections();
}
connections.Add(new PortConnection(port));
if (port.connections == null)
{
port.connections = new List <PortConnection>();
}
if (!port.IsConnectedTo(this))
{
port.connections.Add(new PortConnection(this));
}
#if UNITY_EDITOR
UnityEditor.EditorUtility.SetDirty(node);
UnityEditor.EditorUtility.SetDirty(port.node);
#endif
node.OnCreateConnection(this, port);
port.node.OnCreateConnection(this, port);
}
/// <summary> Show right-click context menu for hovered port </summary>
void ShowPortContextMenu(XNode.NodePort hoveredPort)
{
GenericMenu contextMenu = new GenericMenu();
foreach (var port in hoveredPort.GetConnections())
{
var name = port.node.name;
var index = hoveredPort.GetConnectionIndex(port);
contextMenu.AddItem(new GUIContent($"Disconnect({name})"), false, () => hoveredPort.Disconnect(index));
}
contextMenu.AddItem(new GUIContent("Clear Connections"), false, () => hoveredPort.ClearConnections());
contextMenu.DropDown(new Rect(Event.current.mousePosition, Vector2.zero));
if (NodeEditorPreferences.GetSettings().autoSave)
{
AssetDatabase.SaveAssets();
}
}
/// <summary> Connect this <see cref="NodePort"/> to another </summary>
/// <param name="port">The <see cref="NodePort"/> to connect to</param>
public void Connect(NodePort port)
{
if (connections == null)
{
connections = new List <PortConnection>();
}
if (port == null)
{
Debug.LogWarning("Cannot connect to null port"); return;
}
if (port == this)
{
Debug.LogWarning("Cannot connect port to self."); return;
}
if (IsConnectedTo(port))
{
Debug.LogWarning("Port already connected. "); return;
}
if (direction == port.direction)
{
Debug.LogWarning("Cannot connect two " + (direction == IO.Input ? "input" : "output") + " connections"); return;
}
if (port.connectionType == Node.ConnectionType.Override && port.ConnectionCount != 0)
{
port.ClearConnections();
}
if (connectionType == Node.ConnectionType.Override && ConnectionCount != 0)
{
ClearConnections();
}
connections.Add(new PortConnection(port));
if (port.connections == null)
{
port.connections = new List <PortConnection>();
}
if (!port.IsConnectedTo(this))
{
port.connections.Add(new PortConnection(this));
}
NodePort output = IsOutput ? this : port;
NodePort input = IsOutput ? port : this;
node.OnCreateConnection(output, input);
port.node.OnCreateConnection(output, input);
}