private void OnGUI()
{
Event e = Event.current;
Matrix4x4 m = GUI.matrix;
if (graph == null)
{
return;
}
graphEditor = NodeGraphEditor.GetEditor(graph);
graphEditor.position = position;
Controls();
DrawGrid(position, zoom, panOffset);
DrawConnections();
DrawDraggedConnection();
DrawNodes();
DrawSelectionBox();
DrawTooltip();
graphEditor.OnGUI();
// Run and reset onLateGUI
if (onLateGUI != null)
{
onLateGUI();
onLateGUI = null;
}
GUI.matrix = m;
}
/// <summary> Add items for the context menu when right-clicking this node. Override to add custom menu items. </summary>
public virtual void AddContextMenuItems(GenericMenu menu)
{
bool canRemove = true;
// Actions if only one node is selected
if (Selection.objects.Length == 1 && Selection.activeObject is XNode.Node)
{
XNode.Node node = Selection.activeObject as XNode.Node;
menu.AddItem(new GUIContent("Move To Top"), false, () => NodeEditorWindow.current.MoveNodeToTop(node));
menu.AddItem(new GUIContent("Rename"), false, NodeEditorWindow.current.RenameSelectedNode);
canRemove = NodeGraphEditor.GetEditor(node.graph, NodeEditorWindow.current).CanRemove(node);
}
// Add actions to any number of selected nodes
menu.AddItem(new GUIContent("Copy"), false, NodeEditorWindow.current.CopySelectedNodes);
menu.AddItem(new GUIContent("Duplicate"), false, NodeEditorWindow.current.DuplicateSelectedNodes);
if (canRemove)
{
menu.AddItem(new GUIContent("Remove"), false, NodeEditorWindow.current.RemoveSelectedNodes);
}
else
{
menu.AddItem(new GUIContent("Remove"), false, null);
}
// Custom sctions if only one node is selected
if (Selection.objects.Length == 1 && Selection.activeObject is XNode.Node)
{
XNode.Node node = Selection.activeObject as XNode.Node;
menu.AddCustomContextMenuItems(node);
}
}
/// <summary> Make sure the graph editor is assigned and to the right object </summary>
private void ValidateGraphEditor() {
NodeGraphEditor graphEditor = NodeGraphEditor.GetEditor(graph, this);
if (this.graphEditor != graphEditor) {
this.graphEditor = graphEditor;
graphEditor.OnOpen();
}
}
private void OnGUI()
{
Event e = Event.current;
Matrix4x4 m = GUI.matrix;
if (graph == null)
{
return;
}
graphEditor = NodeGraphEditor.GetEditor(graph);
graphEditor.position = position;
Controls();
DrawGrid(position, zoom, panOffset);
DrawConnections();
DrawDraggedConnection();
try
{
DrawNodes();
} catch {}
DrawSelectionBox();
DrawTooltip();
graphEditor.OnGUI();
GUI.matrix = m;
}
private void OnOpened()
{
if (graph != null)
{
var editor = NodeGraphEditor.GetEditor(graph);
editor.OnOpened(this);
}
}
void OnFocus()
{
current = this;
graphEditor = NodeGraphEditor.GetEditor(graph);
if (graphEditor != null && NodeEditorPreferences.GetSettings().autoSave)
{
AssetDatabase.SaveAssets();
}
}
/// <summary> Make sure the graph editor is assigned and to the right object </summary>
private void ValidateGraphEditor()
{
NodeGraphEditor graphEditor = NodeGraphEditor.GetEditor(graph, this);
if (this.graphEditor != graphEditor && graphEditor != null)
{
var oldgraphEditor = this.graphEditor;
this.graphEditor = graphEditor;
oldgraphEditor?.OnClose();
graphEditor.OnOpen();
}
}
/// <summary> Make a simple port field. </summary>
public static void PortField(GUIContent label, XNode.NodePort port, params GUILayoutOption[] options)
{
if (port == null)
{
return;
}
if (label == null)
{
EditorGUILayout.LabelField(ObjectNames.NicifyVariableName(port.fieldName), options);
}
else
{
EditorGUILayout.LabelField(label, options);
}
Rect rect = GUILayoutUtility.GetLastRect();
if (port.direction == XNode.NodePort.IO.Input)
{
rect.position = rect.position - new Vector2(16, 0);
}
else if (port.direction == XNode.NodePort.IO.Output)
{
rect.position = rect.position + new Vector2(rect.width, 0);
}
rect.size = new Vector2(16, 16);
Color backgroundColor = new Color32(90, 97, 105, 255);
if (NodeEditorWindow.nodeTint.ContainsKey(port.node.GetType()))
{
backgroundColor *= NodeEditorWindow.nodeTint[port.node.GetType()];
}
Color col = NodeGraphEditor.GetEditor(port.node.graph).GetTypeColor(port.ValueType);
DrawPortHandle(rect, backgroundColor, col);
// Register the handle position
Vector2 portPos = rect.center;
if (NodeEditor.portPositions.ContainsKey(port))
{
NodeEditor.portPositions[port] = portPos;
}
else
{
NodeEditor.portPositions.Add(port, portPos);
}
}
private void OnGUI()
{
Event e = Event.current;
Matrix4x4 m = GUI.matrix;
if (graph == null)
{
return;
}
graphEditor = NodeGraphEditor.GetEditor(graph);
if (graphEditor == null)
{
return;
}
graphEditor.position = position;
Controls();
DrawGrid(position, zoom, panOffset);
DrawConnections();
DrawDraggedConnection();
DrawNodes();
DrawSelectionBox();
DrawTooltip();
graphEditor.OnGUI();
if (currentActivity == NodeActivity.AddingNode)
{
BeginWindows();
contextWindowRect = new Rect(contextMenuMousePos, Vector2.one * 400);
// All GUI.Window or GUILayout.Window must come inside here
contextWindowRect = GUILayout.Window(1, contextWindowRect, DrawWindow, "Add node");
EndWindows();
}
// Run and reset onLateGUI
if (onLateGUI != null)
{
onLateGUI();
onLateGUI = null;
}
GUI.matrix = m;
}
/// <summary> Make sure the graph editor is assigned and to the right object </summary>
private void ValidateGraphEditor()
{
if (graph is DialogGraph)
{
DialogGraphEditor graphEditor = (DialogGraphEditor)DialogGraphEditor.GetEditor(graph, this);
if (this.graphEditor != graphEditor && graphEditor != null)
{
this.graphEditor = graphEditor;
graphEditor.OnOpen();
}
}
else
{
NodeGraphEditor graphEditor = NodeGraphEditor.GetEditor(graph, this);
if (this.graphEditor != graphEditor && graphEditor != null)
{
this.graphEditor = graphEditor;
graphEditor.OnOpen();
}
}
}
/// <summary> Make a field for a serialized property. Manual node port override. </summary>
public static void PropertyField(SerializedProperty property, GUIContent label, XNode.NodePort port, bool includeChildren = true, params GUILayoutOption[] options)
{
if (property == null)
{
throw new NullReferenceException();
}
// If property is not a port, display a regular property field
if (port == null)
{
EditorGUILayout.PropertyField(property, label, includeChildren, GUILayout.MinWidth(30));
}
else
{
Rect rect = new Rect();
// If property is an input, display a regular property field and put a port handle on the left side
if (port.direction == XNode.NodePort.IO.Input)
{
// Get data from [Input] attribute
XNode.Node.ShowBackingValue showBacking = XNode.Node.ShowBackingValue.Unconnected;
XNode.Node.InputAttribute inputAttribute;
if (NodeEditorUtilities.GetAttrib(port.node.GetType(), property.name, out inputAttribute))
{
showBacking = inputAttribute.backingValue;
}
switch (showBacking)
{
case XNode.Node.ShowBackingValue.Unconnected:
// Display a label if port is connected
if (port.IsConnected)
{
EditorGUILayout.LabelField(label != null ? label : new GUIContent(property.displayName));
}
// Display an editable property field if port is not connected
else
{
EditorGUILayout.PropertyField(property, label, includeChildren, GUILayout.MinWidth(30));
}
break;
case XNode.Node.ShowBackingValue.Never:
// Display a label
EditorGUILayout.LabelField(label != null ? label : new GUIContent(property.displayName));
break;
case XNode.Node.ShowBackingValue.Always:
// Display an editable property field
EditorGUILayout.PropertyField(property, label, includeChildren, GUILayout.MinWidth(30));
break;
}
rect = GUILayoutUtility.GetLastRect();
rect.position = rect.position - new Vector2(16, 0);
// If property is an output, display a text label and put a port handle on the right side
}
else if (port.direction == XNode.NodePort.IO.Output)
{
// Get data from [Output] attribute
XNode.Node.ShowBackingValue showBacking = XNode.Node.ShowBackingValue.Unconnected;
XNode.Node.OutputAttribute outputAttribute;
if (NodeEditorUtilities.GetAttrib(port.node.GetType(), property.name, out outputAttribute))
{
showBacking = outputAttribute.backingValue;
}
switch (showBacking)
{
case XNode.Node.ShowBackingValue.Unconnected:
// Display a label if port is connected
if (port.IsConnected)
{
EditorGUILayout.LabelField(label != null ? label : new GUIContent(property.displayName), NodeEditorResources.styles.outputPort, GUILayout.MinWidth(30));
}
// Display an editable property field if port is not connected
else
{
EditorGUILayout.PropertyField(property, label, includeChildren, GUILayout.MinWidth(30));
}
break;
case XNode.Node.ShowBackingValue.Never:
// Display a label
EditorGUILayout.LabelField(label != null ? label : new GUIContent(property.displayName), NodeEditorResources.styles.outputPort, GUILayout.MinWidth(30));
break;
case XNode.Node.ShowBackingValue.Always:
// Display an editable property field
EditorGUILayout.PropertyField(property, label, includeChildren, GUILayout.MinWidth(30));
break;
}
rect = GUILayoutUtility.GetLastRect();
rect.position = rect.position + new Vector2(rect.width, 0);
}
rect.size = new Vector2(16, 16);
Color backgroundColor = new Color32(90, 97, 105, 255);
if (NodeEditorWindow.nodeTint.ContainsKey(port.node.GetType()))
{
backgroundColor *= NodeEditorWindow.nodeTint[port.node.GetType()];
}
Color col = NodeGraphEditor.GetEditor(port.node.graph).GetTypeColor(port.ValueType);
DrawPortHandle(rect, backgroundColor, col);
// Register the handle position
Vector2 portPos = rect.center;
if (NodeEditor.portPositions.ContainsKey(port))
{
NodeEditor.portPositions[port] = portPos;
}
else
{
NodeEditor.portPositions.Add(port, portPos);
}
}
}