/// <summary>
/// Draw a connection as we are dragging it
/// </summary>
public void DrawDraggedConnection()
{
if (IsDraggingPort)
{
Color col = NodeEditorPreferences.GetTypeColor(draggedOutput.ValueType);
col.a = draggedOutputTarget != null ? 1.0f : 0.6f;
if (!_portConnectionPoints.TryGetValue(draggedOutput, out Rect fromRect))
{
return;
}
List <Vector2> gridPoints = new List <Vector2>
{
fromRect.center
};
for (int i = 0; i < draggedOutputReroutes.Count; i++)
{
gridPoints.Add(draggedOutputReroutes[i]);
}
if (draggedOutputTarget != null)
{
gridPoints.Add(portConnectionPoints[draggedOutputTarget].center);
}
else
{
gridPoints.Add(WindowToGridPosition(Event.current.mousePosition));
}
DrawNoodle(col, gridPoints);
Color bgcol = Color.black;
Color frcol = col;
bgcol.a = 0.6f;
frcol.a = 0.6f;
// Loop through reroute points again and draw the points
for (int i = 0; i < draggedOutputReroutes.Count; i++)
{
// Draw reroute point at position
Rect rect = new Rect(draggedOutputReroutes[i], new Vector2(16, 16));
rect.position = new Vector2(rect.position.x - 8, rect.position.y - 8);
rect = GridToWindowRect(rect);
NodeEditorGUILayout.DrawPortHandle(rect, bgcol, frcol);
}
}
}
private void DrawTooltip()
{
if (hoveredPort != null && NodeEditorPreferences.GetSettings().portTooltips)
{
Type type = hoveredPort.ValueType;
GUIContent content = new GUIContent
{
text = type.PrettyName()
};
if (hoveredPort.IsOutput)
{
object obj = hoveredPort.node.GetValue(hoveredPort);
content.text += " = " + (obj != null ? obj.ToString() : "null");
}
Vector2 size = NodeEditorResources.styles.tooltip.CalcSize(content);
Rect rect = new Rect(Event.current.mousePosition - (size), size);
EditorGUI.LabelField(rect, content, NodeEditorResources.styles.tooltip);
Repaint();
}
}
private void DrawNodes()
{
Event e = Event.current;
if (e.type == EventType.Layout)
{
selectionCache = new List <UnityEngine.Object>(Selection.objects);
}
System.Reflection.MethodInfo onValidate = null;
if (Selection.activeObject != null && Selection.activeObject is XNode.Node)
{
onValidate = Selection.activeObject.GetType().GetMethod("OnValidate");
if (onValidate != null)
{
EditorGUI.BeginChangeCheck();
}
}
BeginZoomed();
Vector2 mousePos = Event.current.mousePosition;
if (e.type != EventType.Layout)
{
hoveredNode = null;
hoveredPort = null;
}
List <UnityEngine.Object> preSelection = preBoxSelection != null ? new List <UnityEngine.Object>(preBoxSelection) : new List <UnityEngine.Object>();
// Selection box stuff
Vector2 boxStartPos = GridToWindowPositionNoClipped(dragBoxStart);
Vector2 boxSize = mousePos - boxStartPos;
if (boxSize.x < 0)
{
boxStartPos.x += boxSize.x; boxSize.x = Mathf.Abs(boxSize.x);
}
if (boxSize.y < 0)
{
boxStartPos.y += boxSize.y; boxSize.y = Mathf.Abs(boxSize.y);
}
Rect selectionBox = new Rect(boxStartPos, boxSize);
//Save guiColor so we can revert it
Color guiColor = GUI.color;
if (e.type == EventType.Layout)
{
culledNodes = new List <XNode.Node>();
}
for (int n = 0; n < graph.nodes.Count; n++)
{
// Skip null nodes. The user could be in the process of renaming scripts, so removing them
// at this point is not advisable.
if (graph.nodes[n] == null)
{
continue;
}
if (n >= graph.nodes.Count)
{
return;
}
XNode.Node node = graph.nodes[n];
// Culling
if (e.type == EventType.Layout)
{
// Cull unselected nodes outside view
if (!Selection.Contains(node) && ShouldBeCulled(node))
{
culledNodes.Add(node);
continue;
}
}
else if (culledNodes.Contains(node))
{
continue;
}
if (e.type == EventType.Repaint)
{
_portConnectionPoints = _portConnectionPoints.Where(x => x.Key.node != node).ToDictionary(kvp => kvp.Key, kvp => kvp.Value);
}
NodeEditor nodeEditor = NodeEditor.GetEditor(node, this);
NodeEditor.portPositions.Clear();
//Get node position
Vector2 nodePos = GridToWindowPositionNoClipped(node.position);
GUILayout.BeginArea(new Rect(nodePos, new Vector2(nodeEditor.GetWidth(), 4000)));
bool selected = selectionCache.Contains(graph.nodes[n]);
if (selected)
{
GUIStyle style = new GUIStyle(nodeEditor.GetBodyStyle());
GUIStyle highlightStyle = new GUIStyle(NodeEditorResources.styles.nodeHighlight)
{
padding = style.padding
};
style.padding = new RectOffset();
GUI.color = nodeEditor.GetTint();
GUILayout.BeginVertical(style);
GUI.color = NodeEditorPreferences.GetSettings().highlightColor;
GUILayout.BeginVertical(new GUIStyle(highlightStyle));
}
else
{
GUIStyle style = new GUIStyle(nodeEditor.GetBodyStyle());
GUI.color = nodeEditor.GetTint();
GUILayout.BeginVertical(style);
}
GUI.color = guiColor;
EditorGUI.BeginChangeCheck();
//Draw node contents
nodeEditor.OnHeaderGUI();
nodeEditor.OnBodyGUI();
//If user changed a value, notify other scripts through onUpdateNode
if (EditorGUI.EndChangeCheck())
{
if (NodeEditor.onUpdateNode != null)
{
NodeEditor.onUpdateNode(node);
}
EditorUtility.SetDirty(node);
nodeEditor.serializedObject.ApplyModifiedProperties();
}
GUILayout.EndVertical();
//Cache data about the node for next frame
if (e.type == EventType.Repaint)
{
Vector2 size = GUILayoutUtility.GetLastRect().size;
if (nodeSizes.ContainsKey(node))
{
nodeSizes[node] = size;
}
else
{
nodeSizes.Add(node, size);
}
foreach (var kvp in NodeEditor.portPositions)
{
Vector2 portHandlePos = kvp.Value;
portHandlePos += node.position;
Rect rect = new Rect(portHandlePos.x - 12, portHandlePos.y - 12, 24, 24);
portConnectionPoints[kvp.Key] = rect;
}
}
if (selected)
{
GUILayout.EndVertical();
}
if (e.type != EventType.Layout)
{
//Check if we are hovering this node
Vector2 nodeSize = GUILayoutUtility.GetLastRect().size;
Rect windowRect = new Rect(nodePos, nodeSize);
if (windowRect.Contains(mousePos))
{
hoveredNode = node;
}
//If dragging a selection box, add nodes inside to selection
if (currentActivity == NodeActivity.DragGrid)
{
if (windowRect.Overlaps(selectionBox))
{
preSelection.Add(node);
}
}
//Check if we are hovering any of this nodes ports
//Check input ports
foreach (XNode.NodePort input in node.Inputs)
{
//Check if port rect is available
if (!portConnectionPoints.ContainsKey(input))
{
continue;
}
Rect r = GridToWindowRectNoClipped(portConnectionPoints[input]);
if (r.Contains(mousePos))
{
hoveredPort = input;
}
}
//Check all output ports
foreach (XNode.NodePort output in node.Outputs)
{
//Check if port rect is available
if (!portConnectionPoints.ContainsKey(output))
{
continue;
}
Rect r = GridToWindowRectNoClipped(portConnectionPoints[output]);
if (r.Contains(mousePos))
{
hoveredPort = output;
}
}
}
GUILayout.EndArea();
}
if (e.type != EventType.Layout && currentActivity == NodeActivity.DragGrid)
{
Selection.objects = preSelection.ToArray();
}
EndZoomed();
//If a change in is detected in the selected node, call OnValidate method.
//This is done through reflection because OnValidate is only relevant in editor,
//and thus, the code should not be included in build.
if (onValidate != null && EditorGUI.EndChangeCheck())
{
onValidate.Invoke(Selection.activeObject, null);
}
}
/// <summary>
/// Draws all connections
/// </summary>
public void DrawConnections()
{
Vector2 mousePos = Event.current.mousePosition;
List <RerouteReference> selection = preBoxSelectionReroute != null ? new List <RerouteReference>(preBoxSelectionReroute) : new List <RerouteReference>();
hoveredReroute = new RerouteReference();
hoveredConnection = new ConnectionReference();
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;
}
// Draw full connections and output > reroute
foreach (XNode.NodePort output in node.Outputs)
{
//Needs cleanup. Null checks are ugly
if (!_portConnectionPoints.TryGetValue(output, out Rect fromRect))
{
continue;
}
Color connectionColor = graphEditor.GetPortColor(output);
for (int k = 0; k < output.ConnectionCount; k++)
{
XNode.NodePort input = output.GetConnection(k);
// 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 (!_portConnectionPoints.TryGetValue(input, out Rect toRect))
{
continue;
}
List <Vector2> reroutePoints = output.GetReroutePoints(k);
List <Vector2> gridPoints = new List <Vector2>
{
fromRect.center
};
gridPoints.AddRange(reroutePoints);
gridPoints.Add(toRect.center);
DrawNoodle(connectionColor, gridPoints, output, input);
// 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);
// Draw selected reroute points with an outline
if (selectedReroutes.Contains(rerouteRef))
{
GUI.color = NodeEditorPreferences.GetSettings().highlightColor;
GUI.DrawTexture(rect, NodeEditorResources.dotOuter);
}
GUI.color = connectionColor;
GUI.DrawTexture(rect, NodeEditorResources.dot);
if (rect.Overlaps(selectionBox))
{
selection.Add(rerouteRef);
}
if (rect.Contains(mousePos))
{
hoveredReroute = rerouteRef;
hoveredConnection.outputPort = null;
}
}
}
}
}
GUI.color = col;
if (Event.current.type != EventType.Layout && currentActivity == NodeActivity.DragGrid)
{
selectedReroutes = selection;
}
}
/// <summary>
/// Draw a bezier from output to input in grid coordinates
/// </summary>
public void DrawNoodle(Color col, List <Vector2> gridPoints, NodePort output = null, NodePort input = null)
{
Vector2 mousePos = Event.current.mousePosition;
Vector2[] windowPoints = gridPoints.Select(x => GridToWindowPosition(x)).ToArray();
Handles.color = col;
int length = gridPoints.Count;
switch (NodeEditorPreferences.GetSettings().noodleType)
{
case NodeEditorPreferences.NoodleType.Curve:
Vector2 outputTangent = Vector2.right;
for (int i = 0; i < length - 1; i++)
{
Vector2 inputTangent = Vector2.left;
if (i == 0)
{
outputTangent = Vector2.right * Vector2.Distance(windowPoints[i], windowPoints[i + 1]) * 0.01f * zoom;
}
if (i < length - 2)
{
Vector2 ab = (windowPoints[i + 1] - windowPoints[i]).normalized;
Vector2 cb = (windowPoints[i + 1] - windowPoints[i + 2]).normalized;
Vector2 ac = (windowPoints[i + 2] - windowPoints[i]).normalized;
Vector2 p = (ab + cb) * 0.5f;
float tangentLength = (Vector2.Distance(windowPoints[i], windowPoints[i + 1]) + Vector2.Distance(windowPoints[i + 1], windowPoints[i + 2])) * 0.005f * zoom;
float side = ((ac.x * (windowPoints[i + 1].y - windowPoints[i].y)) - (ac.y * (windowPoints[i + 1].x - windowPoints[i].x)));
p = new Vector2(-p.y, p.x) * Mathf.Sign(side) * tangentLength;
inputTangent = p;
}
else
{
inputTangent = Vector2.left * Vector2.Distance(windowPoints[i], windowPoints[i + 1]) * 0.01f * zoom;
}
// bezier fields
var startPos = windowPoints[i];
var endPos = windowPoints[i + 1];
var startTangent = windowPoints[i] + ((outputTangent * 50) / zoom);
var endTangent = windowPoints[i + 1] + ((inputTangent * 50) / zoom);
// If connection is selected draw outline bezier
if (selectedConnections.Any(c => c.outputPort == output && c.inputPort == input))
{
Handles.DrawBezier(startPos, endPos, startTangent, endTangent, Color.white, null, 8);
}
// Draw bezier
Handles.DrawBezier(startPos, endPos, startTangent, endTangent, col, null, 4);
// Check is bezier hovered by mouse
if (HandleUtility.DistancePointBezier(mousePos, startPos, endPos, startTangent, endTangent) <= 3.5f)
{
hoveredConnection.outputPort = output;
hoveredConnection.inputPort = input;
}
outputTangent = -inputTangent;
}
break;
case NodeEditorPreferences.NoodleType.Line:
for (int i = 0; i < length - 1; i++)
{
DrawAAPolyLineSelection(mousePos, 5, windowPoints[i], windowPoints[i + 1], output, input);
}
break;
case NodeEditorPreferences.NoodleType.Angled:
for (int i = 0; i < length - 1; i++)
{
if (i == length - 1)
{
continue; // Skip last index
}
if (windowPoints[i].x <= windowPoints[i + 1].x - (50 / zoom))
{
float midpoint = (windowPoints[i].x + windowPoints[i + 1].x) * 0.5f;
Vector2 start_1 = windowPoints[i];
Vector2 end_1 = windowPoints[i + 1];
start_1.x = midpoint;
end_1.x = midpoint;
DrawAAPolyLineSelection(mousePos, 5, windowPoints[i], start_1, output, input);
DrawAAPolyLineSelection(mousePos, 5, start_1, end_1, output, input);
DrawAAPolyLineSelection(mousePos, 5, end_1, windowPoints[i + 1], output, input);
}
else
{
float midpoint = (windowPoints[i].y + windowPoints[i + 1].y) * 0.5f;
Vector2 start_1 = windowPoints[i];
Vector2 end_1 = windowPoints[i + 1];
start_1.x += 25 / zoom;
end_1.x -= 25 / zoom;
Vector2 start_2 = start_1;
Vector2 end_2 = end_1;
start_2.y = midpoint;
end_2.y = midpoint;
DrawAAPolyLineSelection(mousePos, 5, windowPoints[i], start_1, output, input);
DrawAAPolyLineSelection(mousePos, 5, start_1, start_2, output, input);
DrawAAPolyLineSelection(mousePos, 5, start_2, end_2, output, input);
DrawAAPolyLineSelection(mousePos, 5, end_2, end_1, output, input);
DrawAAPolyLineSelection(mousePos, 5, end_1, windowPoints[i + 1], output, input);
}
}
break;
}
}
public void Controls()
{
wantsMouseMove = true;
Event e = Event.current;
switch (e.type)
{
case EventType.MouseMove:
lastMousePosition = e.mousePosition;
break;
case EventType.ScrollWheel:
float oldZoom = zoom;
if (e.delta.y > 0)
{
zoom += 0.1f * zoom;
}
else
{
zoom -= 0.1f * zoom;
}
if (NodeEditorPreferences.GetSettings().zoomToMouse)
{
panOffset += (1 - oldZoom / zoom) * (WindowToGridPosition(e.mousePosition) + panOffset);
}
break;
case EventType.MouseDrag:
if (e.button == 0)
{
if (IsDraggingPort)
{
if (IsHoveringPort && hoveredPort.IsInput && draggedOutput.CanConnectTo(hoveredPort))
{
if (!draggedOutput.IsConnectedTo(hoveredPort))
{
draggedOutputTarget = hoveredPort;
}
}
else
{
draggedOutputTarget = null;
}
Repaint();
}
else if (currentActivity == NodeActivity.HoldNode)
{
RecalculateDragOffsets(e);
currentActivity = NodeActivity.DragNode;
Repaint();
}
if (currentActivity == NodeActivity.DragNode)
{
// Holding ctrl inverts grid snap
bool gridSnap = NodeEditorPreferences.GetSettings().gridSnap;
if (e.control)
{
gridSnap = !gridSnap;
}
Vector2 mousePos = WindowToGridPosition(e.mousePosition);
// Move selected nodes with offset
for (int i = 0; i < Selection.objects.Length; i++)
{
if (Selection.objects[i] is XNode.Node)
{
XNode.Node node = Selection.objects[i] as XNode.Node;
Vector2 initial = node.position;
node.position = mousePos + dragOffset[i];
if (gridSnap)
{
node.position.x = (Mathf.Round((node.position.x + 8) / 16) * 16) - 8;
node.position.y = (Mathf.Round((node.position.y + 8) / 16) * 16) - 8;
}
// Offset portConnectionPoints instantly if a node is dragged so they aren't
// delayed by a frame.
Vector2 offset = node.position - initial;
if (offset.sqrMagnitude > 0)
{
foreach (XNode.NodePort output in node.Outputs)
{
if (portConnectionPoints.TryGetValue(output, out Rect rect))
{
rect.position += offset;
portConnectionPoints[output] = rect;
}
}
foreach (XNode.NodePort input in node.Inputs)
{
if (portConnectionPoints.TryGetValue(input, out Rect rect))
{
rect.position += offset;
portConnectionPoints[input] = rect;
}
}
}
}
}
// Move selected reroutes with offset
for (int i = 0; i < selectedReroutes.Count; i++)
{
Vector2 pos = mousePos + dragOffset[Selection.objects.Length + i];
if (gridSnap)
{
pos.x = (Mathf.Round(pos.x / 16) * 16);
pos.y = (Mathf.Round(pos.y / 16) * 16);
}
selectedReroutes[i].SetPoint(pos);
}
Repaint();
}
else if (currentActivity == NodeActivity.HoldGrid)
{
currentActivity = NodeActivity.DragGrid;
preBoxSelection = Selection.objects;
preBoxSelectionReroute = selectedReroutes.ToArray();
dragBoxStart = WindowToGridPosition(e.mousePosition);
Repaint();
}
else if (currentActivity == NodeActivity.DragGrid)
{
Vector2 boxStartPos = GridToWindowPosition(dragBoxStart);
Vector2 boxSize = e.mousePosition - boxStartPos;
if (boxSize.x < 0)
{
boxStartPos.x += boxSize.x; boxSize.x = Mathf.Abs(boxSize.x);
}
if (boxSize.y < 0)
{
boxStartPos.y += boxSize.y; boxSize.y = Mathf.Abs(boxSize.y);
}
selectionBox = new Rect(boxStartPos, boxSize);
Repaint();
}
}
else if (e.button == 1 || e.button == 2)
{
panOffset += e.delta * zoom;
isPanning = true;
}
break;
case EventType.MouseDown:
Repaint();
if (e.button == 0)
{
draggedOutputReroutes.Clear();
if (IsHoveringPort)
{
if (hoveredPort.IsOutput)
{
draggedOutput = hoveredPort;
}
else
{
hoveredPort.VerifyConnections();
if (hoveredPort.IsConnected)
{
XNode.Node node = hoveredPort.node;
XNode.NodePort output = hoveredPort.Connection;
int outputConnectionIndex = output.GetConnectionIndex(hoveredPort);
draggedOutputReroutes = output.GetReroutePoints(outputConnectionIndex);
hoveredPort.Disconnect(output);
draggedOutput = output;
draggedOutputTarget = hoveredPort;
if (NodeEditor.onUpdateNode != null)
{
NodeEditor.onUpdateNode(node);
}
}
}
}
else if (IsHoveringNode && IsHoveringTitle(hoveredNode))
{
// If mousedown on node header, select or deselect
if (!Selection.Contains(hoveredNode))
{
SelectNode(hoveredNode, e.control || e.shift);
if (!e.control && !e.shift)
{
selectedReroutes.Clear();
selectedConnections.Clear();
}
}
else if (e.control || e.shift)
{
DeselectNode(hoveredNode);
}
// Cache double click state, but only act on it in MouseUp - Except ClickCount only
// works in mouseDown.
isDoubleClick = (e.clickCount == 2);
e.Use();
currentActivity = NodeActivity.HoldNode;
}
else if (IsHoveringReroute)
{
// If reroute isn't selected
if (!selectedReroutes.Contains(hoveredReroute))
{
// Add it
if (e.control || e.shift)
{
selectedReroutes.Add(hoveredReroute);
}
// Select it
else
{
selectedReroutes = new List <RerouteReference>()
{
hoveredReroute
};
Selection.activeObject = null;
}
}
// Deselect
else if (e.control || e.shift)
{
selectedReroutes.Remove(hoveredReroute);
}
e.Use();
currentActivity = NodeActivity.HoldNode;
}
else if (IsHoveringConnection)
{
// If reroute isn't selected
if (!selectedConnections.Contains(hoveredConnection))
{
// Add it
if (e.control || e.shift)
{
selectedConnections.Add(hoveredConnection);
}
// Select it
else
{
selectedConnections = new List <ConnectionReference>()
{
hoveredConnection
};
Selection.activeObject = null;
}
}
// Deselect
else if (e.control || e.shift)
{
selectedConnections.Remove(hoveredConnection);
}
e.Use();
currentActivity = NodeActivity.HoldNode;
}
// If mousedown on grid background, deselect all
else if (!IsHoveringNode)
{
currentActivity = NodeActivity.HoldGrid;
if (!e.control && !e.shift)
{
selectedReroutes.Clear();
selectedConnections.Clear();
Selection.activeObject = null;
}
}
}
break;
case EventType.MouseUp:
if (e.button == 0)
{
//Port drag release
if (IsDraggingPort)
{
//If connection is valid, save it
if (draggedOutputTarget != null)
{
XNode.Node node = draggedOutputTarget.node;
if (graph.nodes.Count != 0)
{
draggedOutput.Connect(draggedOutputTarget);
}
// ConnectionIndex can be -1 if the connection is removed instantly after creation
int connectionIndex = draggedOutput.GetConnectionIndex(draggedOutputTarget);
if (connectionIndex != -1)
{
draggedOutput.GetReroutePoints(connectionIndex).AddRange(draggedOutputReroutes);
if (NodeEditor.onUpdateNode != null)
{
NodeEditor.onUpdateNode(node);
}
EditorUtility.SetDirty(graph);
}
}
else
{
GenericMenu menu = new GenericMenu();
graphEditor.AddContextMenuItems(menu);
if (menu.GetItemCount() > 0)
{
menu.DropDown(new Rect(Event.current.mousePosition, Vector2.zero));
}
}
//Release dragged connection
draggedOutput = null;
draggedOutputTarget = null;
EditorUtility.SetDirty(graph);
if (NodeEditorPreferences.GetSettings().autoSave)
{
AssetDatabase.SaveAssets();
}
}
else if (currentActivity == NodeActivity.DragNode)
{
IEnumerable <XNode.Node> nodes = Selection.objects.Where(x => x is XNode.Node).Select(x => x as XNode.Node);
foreach (XNode.Node node in nodes)
{
EditorUtility.SetDirty(node);
}
if (NodeEditorPreferences.GetSettings().autoSave)
{
AssetDatabase.SaveAssets();
}
}
else if (!IsHoveringNode && !TooltipRect().Contains(Event.current.mousePosition))
{
// If click outside node, release field focus
if (!isPanning)
{
EditorGUI.FocusTextInControl(null);
EditorGUIUtility.editingTextField = false;
}
if (NodeEditorPreferences.GetSettings().autoSave)
{
AssetDatabase.SaveAssets();
}
}
// If click node header, select it.
if (currentActivity == NodeActivity.HoldNode && !(e.control || e.shift))
{
selectedReroutes.Clear();
selectedConnections.Clear();
SelectNode(hoveredNode, false);
// Double click to center node
if (isDoubleClick)
{
Vector2 nodeDimension = nodeSizes.ContainsKey(hoveredNode) ? nodeSizes[hoveredNode] / 2 : Vector2.zero;
panOffset = -hoveredNode.position - nodeDimension;
}
}
// If click reroute, select it.
if (IsHoveringReroute && !(e.control || e.shift))
{
selectedReroutes = new List <RerouteReference>()
{
hoveredReroute
};
Selection.activeObject = null;
}
// If click connection, select it
if (IsHoveringConnection && !(e.control || e.shift))
{
selectedConnections = new List <ConnectionReference> {
hoveredConnection
};
Selection.activeObject = null;
}
Repaint();
currentActivity = NodeActivity.Idle;
}
else if (e.button == 1 || e.button == 2)
{
if (!isPanning)
{
if (IsDraggingPort)
{
draggedOutputReroutes.Add(WindowToGridPosition(e.mousePosition));
}
else if (currentActivity == NodeActivity.DragNode && Selection.activeObject == null && selectedReroutes.Count == 1)
{
selectedReroutes[0].InsertPoint(selectedReroutes[0].GetPoint());
selectedReroutes[0] = new RerouteReference(selectedReroutes[0].port, selectedReroutes[0].connectionIndex, selectedReroutes[0].pointIndex + 1);
}
else if (IsHoveringReroute)
{
ShowRerouteContextMenu(hoveredReroute);
}
else if (IsHoveringPort)
{
ShowPortContextMenu(hoveredPort);
}
else if (IsHoveringNode && IsHoveringTitle(hoveredNode))
{
if (!Selection.Contains(hoveredNode))
{
SelectNode(hoveredNode, false);
}
GenericMenu menu = new GenericMenu();
NodeEditor.GetEditor(hoveredNode, this).AddContextMenuItems(menu);
menu.DropDown(new Rect(Event.current.mousePosition, Vector2.zero));
e.Use(); // Fixes copy/paste context menu appearing in Unity 5.6.6f2 - doesn't occur in 2018.3.2f1 Probably needs to be used in other places.
}
else if (!IsHoveringNode)
{
GenericMenu menu = new GenericMenu();
graphEditor.AddContextMenuItems(menu);
menu.DropDown(new Rect(Event.current.mousePosition, Vector2.zero));
}
}
isPanning = false;
}
// Reset DoubleClick
isDoubleClick = false;
break;
case EventType.KeyDown:
if (EditorGUIUtility.editingTextField)
{
break;
}
else if (e.keyCode == KeyCode.F)
{
Home();
}
if (IsMac())
{
if (e.keyCode == KeyCode.Return)
{
RenameSelectedNode();
}
}
else
{
if (e.keyCode == KeyCode.F2)
{
RenameSelectedNode();
}
}
break;
case EventType.ValidateCommand:
case EventType.ExecuteCommand:
if (e.commandName == "SoftDelete")
{
if (e.type == EventType.ExecuteCommand)
{
RemoveSelectedNodes();
}
e.Use();
}
else if (IsMac() && e.commandName == "Delete")
{
if (e.type == EventType.ExecuteCommand)
{
RemoveSelectedNodes();
}
e.Use();
}
else if (e.commandName == "Duplicate")
{
if (e.type == EventType.ExecuteCommand)
{
DuplicateSelectedNodes();
}
e.Use();
}
else if (e.commandName == "Copy")
{
if (e.type == EventType.ExecuteCommand)
{
CopySelectedNodes();
}
e.Use();
}
else if (e.commandName == "Paste")
{
if (e.type == EventType.ExecuteCommand)
{
PasteNodes(WindowToGridPosition(lastMousePosition));
}
e.Use();
}
Repaint();
break;
case EventType.Ignore:
// If release mouse outside window
if (e.rawType == EventType.MouseUp && currentActivity == NodeActivity.DragGrid)
{
Repaint();
currentActivity = NodeActivity.Idle;
}
break;
}
}