//...
void OnGUI()
{
if (EditorApplication.isCompiling)
{
ShowNotification(new GUIContent("...Compiling Please Wait..."));
willRepaint = true;
return;
}
//Init
GUI.color = Color.white;
GUI.backgroundColor = Color.white;
GUI.skin.label.richText = true;
e = Event.current;
//get the graph from the GraphOwner if one is set
if (targetOwner != null)
{
rootGraph = targetOwner.graph;
}
if (rootGraph == null)
{
ShowEmptyGraphGUI();
return;
}
//set the currently viewing graph by getting the current child graph from the root graph recursively
var curr = GetCurrentGraph(rootGraph);
if (!ReferenceEquals(curr, currentGraph))
{
currentGraph = curr;
OnCurrentGraphChanged();
}
if (currentGraph == null || ReferenceEquals(currentGraph, null))
{
return;
}
//handle undo/redo keyboard commands
if (e.type == EventType.ValidateCommand && e.commandName == "UndoRedoPerformed")
{
GUIUtility.hotControl = 0;
GUIUtility.keyboardControl = 0;
GraphEditorUtility.activeElement = null;
willRepaint = true;
fullDrawPass = true;
UpdateReferencesAndNodeIDs();
currentGraph.Validate();
e.Use();
return;
}
if (e.type == EventType.MouseDown)
{
RemoveNotification();
}
if (mouseOverWindow == current && (e.isMouse || e.isKey))
{
willRepaint = true;
}
///should we set dirty? Put in practise at the end
var willDirty = false;
if (
(e.rawType == EventType.MouseUp && e.button != 2) ||
(e.type == EventType.DragPerform) ||
(e.type == EventType.KeyUp && (e.keyCode == KeyCode.Return || GUIUtility.keyboardControl == 0))
)
{
willDirty = true;
}
//initialize rects
canvasRect = Rect.MinMaxRect(5, TOP_MARGIN, position.width - 5, position.height - BOTTOM_MARGIN);
minimapRect = Rect.MinMaxRect(canvasRect.xMax - NCPrefs.minimapSize.x, canvasRect.yMax - NCPrefs.minimapSize.y, canvasRect.xMax - 2, canvasRect.yMax - 2);
var originalCanvasRect = canvasRect;
//canvas background
GUI.Box(canvasRect, string.Empty, CanvasStyles.canvasBG);
//background grid
DrawGrid(canvasRect, pan, zoomFactor);
//handle minimap
HandleMinimapEvents(minimapRect);
//PRE nodes events
HandlePreNodesGraphEvents(currentGraph, mousePosInCanvas);
var oldMatrix = default(Matrix4x4);
if (zoomFactor != 1)
{
canvasRect = StartZoomArea(canvasRect, zoomFactor, out oldMatrix);
}
//main group
GUI.BeginGroup(canvasRect);
{
//pan the view rect
var totalCanvas = canvasRect;
totalCanvas.x = 0;
totalCanvas.y = 0;
totalCanvas.x += pan.x / zoomFactor;
totalCanvas.y += pan.y / zoomFactor;
totalCanvas.width -= pan.x / zoomFactor;
totalCanvas.height -= pan.y / zoomFactor;
//begin panning group
GUI.BeginGroup(totalCanvas);
{
//inverse pan the view rect
viewRect = totalCanvas;
viewRect.x = 0;
viewRect.y = 0;
viewRect.x -= pan.x / zoomFactor;
viewRect.y -= pan.y / zoomFactor;
viewRect.width += pan.x / zoomFactor;
viewRect.height += pan.y / zoomFactor;
DoCanvasGroups();
BeginWindows();
ShowNodesGUI(currentGraph, viewRect, fullDrawPass, mousePosInCanvas, zoomFactor);
EndWindows();
DoCanvasRectSelection(viewRect);
}
GUI.EndGroup();
}
GUI.EndGroup();
if (zoomFactor != 1 && oldMatrix != default(Matrix4x4))
{
EndZoomArea(oldMatrix);
}
//minimap
DrawMinimap(minimapRect);
//Breadcrumb navigation
GUILayout.BeginArea(new Rect(20, TOP_MARGIN + 5, screenWidth, screenHeight));
DoBreadCrumbNavigation(rootGraph);
GUILayout.EndArea();
//POST nodes events
HandlePostNodesGraphEvents(currentGraph, mousePosInCanvas);
//Graph controls (after windows so that panels (inspector, blackboard) show on top)
ShowToolbar(currentGraph);
ShowPanels(currentGraph, mousePosInCanvas);
AcceptDrops(currentGraph, mousePosInCanvas);
//
//dirty?
if (willDirty)
{
willDirty = false;
willRepaint = true;
currentGraph.Serialize();
EditorUtility.SetDirty(currentGraph);
}
//repaint?
if (willRepaint || e.type == EventType.MouseMove || rootGraph.isRunning)
{
Repaint();
}
if (e.type == EventType.Repaint)
{
fullDrawPass = false;
willRepaint = false;
}
//playmode indicator
if (Application.isPlaying)
{
var r = new Rect(0, 0, 120, 10);
r.center = new Vector2(screenWidth / 2, screenHeight - BOTTOM_MARGIN - 50);
GUI.color = Color.green;
GUI.Box(r, "PlayMode Active", CanvasStyles.windowHighlight);
}
//hack for quick popups
if (OnDoPopup != null)
{
var temp = OnDoPopup;
OnDoPopup = null;
QuickPopup.Show(temp);
}
//PostGUI
GraphEditorUtility.InvokePostGUI();
//closure
GUI.Box(originalCanvasRect, string.Empty, CanvasStyles.canvasBorders);
GUI.color = Color.white;
GUI.backgroundColor = Color.white;
}
///----------------------------------------------------------------------------------------------
//EDIT MENU
static GenericMenu GetToolbarMenu_Edit(Graph graph, GraphOwner owner)
{
var menu = new GenericMenu();
//Bind
if (!Application.isPlaying && owner != null && !owner.graphIsBound)
{
menu.AddItem(new GUIContent("Bind To Owner"), false, () =>
{
if (EditorUtility.DisplayDialog("Bind Graph", "This will make a local copy of the graph, bound to the owner.\n\nThis allows you to make local changes and assign scene object references directly.\n\nNote that you can also use scene object references through the use of Blackboard Variables.\n\nBind Graph?", "YES", "NO"))
{
UndoUtility.RecordObject(owner, "New Local Graph");
owner.SetBoundGraphReference(owner.graph);
UndoUtility.SetDirty(owner);
}
});
}
else
{
menu.AddDisabledItem(new GUIContent("Bind To Owner"));
}
//Save to asset
if (!EditorUtility.IsPersistent(graph))
{
menu.AddItem(new GUIContent("Save To Asset"), false, () =>
{
var newGraph = (Graph)EditorUtils.CreateAsset(graph.GetType());
if (newGraph != null)
{
EditorUtility.CopySerialized(graph, newGraph);
newGraph.Validate();
AssetDatabase.SaveAssets();
}
});
}
else
{
menu.AddDisabledItem(new GUIContent("Save To Asset"));
}
//Create defined vars
if (graph.blackboard != null)
{
foreach (var bb in graph.blackboard.GetAllParents(true).Reverse())
{
var category = "Promote Missing Parameters To Variables/";
menu.AddItem(new GUIContent(category + $"In '{bb.identifier}' Blackboard"), false, () =>
{
if (EditorUtility.DisplayDialog("Promote Missing Parameters", "This will fill the target Blackboard with a Variable for each defined missing Parameter in the graph.\nContinue?", "YES", "NO"))
{
UndoUtility.RecordObject(graph, "Promote Variables");
UndoUtility.RecordObject(bb.unityContextObject, "Promote Variables");
graph.PromoteMissingParametersToVariables(bb);
UndoUtility.SetDirty(graph);
UndoUtility.SetDirty(bb.unityContextObject);
}
});
}
}
else
{
menu.AddDisabledItem(new GUIContent("Promote Defined Parameters To Variables"));
}
menu.AddItem(new GUIContent("Scan Graph for Serialized Struct Types"), false, () =>
{
GraphEditorUtility.ScanForStructTypesAndAppendThem(graph);
});
if (!Application.isPlaying)
{
menu.AddItem(new GUIContent("Re-Validate Graph"), false, () =>
{
graph.SelfDeserialize();
graph.Validate();
FullDrawPass();
});
}
else
{
menu.AddDisabledItem(new GUIContent("Re-Validate Graph"));
}
return(menu);
}