private void CheckHoveringAndSelection()
{
if (_isLayoutEvent)
{
return;
}
ResetHover();
bool isDraggingGrid = _currentActivity == Activity.DraggingGrid;
Rect selectionRect = _selectionRect;
Vector2 mousePosition = _mousePosition;
List <Object> boxSelected = new List <Object>();
//TODO Investigate reverse recognition not working!?
//Never mind it works, it's just my architecture works bottom-top,
//instead of top-bottom-or-stop
//Why? Cause hovering
//TODO Investigate alternatives for conversion
for (int i = 0; i < Graph.NodeCount; i++)
{
Node node = Graph.GetNode(i);
NodeEditor nodeEditor = NodeEditor.GetEditor(node);
Vector2 size;
if (_nodeSizes.TryGetValue(node, out size))
{
Rect nodeRect = new Rect(node.Position, size);
nodeRect = GridToWindowRect(nodeRect);
if (nodeRect.Contains(mousePosition))
{
_hoveredNode = node;
}
if (isDraggingGrid && nodeRect.Overlaps(selectionRect))
{
boxSelected.Add(node);
}
}
//Check hovering over ports
var inputNode = node as IInput;
if (inputNode != null)
{
InputPort input = inputNode.InputPort;
Rect inputRect = nodeEditor.GetPortRect(input);
//inputRect.position += node.Position;
inputRect = GridToWindowRect(inputRect);
if (inputRect.Contains(mousePosition))
{
HoveredPort = input;
}
}
IOutput sOutputNode = node as IOutput;
if (sOutputNode != null)
{
OutputPort output = sOutputNode.OutputPort;
Rect outputRect = nodeEditor.GetPortRect(output);
//outputRect.position += node.Position;
outputRect = GridToWindowRect(outputRect);
if (outputRect.Contains(mousePosition))
{
HoveredPort = output;
}
}
IMultipleOutput mOutputNode = node as IMultipleOutput;
if (mOutputNode != null)
{
var outputs = mOutputNode.GetOutputs();
foreach (OutputPort output in outputs)
{
Rect outputRect = nodeEditor.GetPortRect(output);
//outputRect.position += node.Position;
outputRect = GridToWindowRect(outputRect);
if (outputRect.Contains(mousePosition))
{
HoveredPort = output;
}
}
}
}
for (int i = 0; i < Graph.ConnectionCount; i++)
{
Connection connection = Graph.GetConnection(i);
if (connection == null)
{
Debug.Log("Null connection at index " + i);
OnNull(Graph);
continue;
}
Vector2 start = NodeEditor.FindPortRect(connection.Start).center;
Vector2 end = NodeEditor.FindPortRect(connection.End).center;
start = GridToWindowPosition(start);
end = GridToWindowPosition(end);
//if (OtherUtilities.PointOverlapBezier(mousePosition, start, end, NodePreferences.CONNECTION_WIDTH))
if (LineSegment.WideLineSegmentPointCheck(mousePosition, start, end, NodePreferences.CONNECTION_WIDTH * 2 / Zoom))
{
_hoveredConnection = connection;
}
//DONE: Add range percentage overlap check, as just overlapping might be too annoying.
if (isDraggingGrid && LineSegment.LineRectOverlapPercentageCheck(selectionRect, start, end) > 0.3f)
{
boxSelected.Add(connection);
}
Rect[] modifierRects;
if (!_connectionModifierRects.TryGetValue(connection, out modifierRects))
{
continue;
}
for (int j = 0; j < connection.InstructionCount; j++)
{
Instruction mod = connection.GetInstruction(j);
Rect rect = GridToWindowRect(modifierRects[j]);
if (rect.Contains(mousePosition))
{
_hoveredInstruction = mod;
}
if (isDraggingGrid && rect.Overlaps(selectionRect))
{
boxSelected.Add(mod);
}
}
}
//return;
if (isDraggingGrid)
{
if (_cachedEvent.control || _cachedEvent.shift)
{
boxSelected.AddRange(_cachedSelectedObjects);
}
Selection.objects = boxSelected.ToArray();
}
else
{
_selectionRect = Rect.zero;
}
}
private void DrawNodes()
{
if (_isLayoutEvent)
{
_culledNodes = new List <Node>();
}
_nodeSizes = new Dictionary <Node, Vector2>();
Color oldColor = GUI.color;
//Utilities.BeginZoom(position, Zoom, TopPadding);
for (int i = 0; i < _graph.NodeCount; i++)
{
Node node = _graph.GetNode(i);
if (node == null)
{
continue;
}
if (i >= _graph.NodeCount)
{
return;
}
bool selected = Selection.Contains(node);
if (_isLayoutEvent)
{
if (!selected && ShouldBeCulled(node))
{
_culledNodes.Add(node);
continue;
}
}
else if (_culledNodes.Contains(node))
{
continue;
}
NodeEditor nodeEditor = NodeEditor.GetEditor(node);
Vector2 nodePosition = GridToWindowPositionNotClipped(node.Position);
GUILayout.BeginArea(new Rect(nodePosition, new Vector2(nodeEditor.GetWidth(), 4000)));
if (selected)
{
GUIStyle style = new GUIStyle(nodeEditor.GetBodyStyle());
GUIStyle highlightStyle = new GUIStyle(NodeResources.Styles.nodeHighlight)
{
padding = style.padding
};
style.padding = new RectOffset();
GUI.color = nodeEditor.GetTint();
GUILayout.BeginVertical(style);
GUI.color = Color.white;
GUILayout.BeginVertical(new GUIStyle(highlightStyle));
}
else
{
GUIStyle style = new GUIStyle(nodeEditor.GetBodyStyle());
GUI.color = nodeEditor.GetTint();
GUILayout.BeginVertical(style);
}
GUI.color = oldColor;
EditorGUI.BeginChangeCheck();
nodeEditor.OnHeaderGUI();
nodeEditor.OnBodyGUI();
if (EditorGUI.EndChangeCheck())
{
NodeEditor.UpdateCallback(node);
EditorUtility.SetDirty(node);
nodeEditor.SerializedObject.ApplyModifiedProperties();
}
GUILayout.EndVertical();
if (!_isLayoutEvent)
{
Rect rect = GUILayoutUtility.GetLastRect();
//Debug.Log("Caching Rect: " + rect);
_nodeSizes[node] = rect.size;
}
if (selected)
{
GUILayout.EndVertical();
}
GUILayout.EndArea();
}
}
private void MouseUp()
{
if (!_leftMouseButtonUsed)
{
if (_rightMouseButtonUsed || _middleMouseButtonUsed)
{
ContextClick();
}
return;
}
if (IsDraggingPort)
{
//If the connection is valid, save it
if (DraggedOutputTarget != null)
{
//DraggedOutput.Connect(DraggedOutputTarget)
if (Graph.NodeCount != 0)
{
Connect(DraggedOutput, DraggedOutputTarget);
}
NodeEditor.UpdateCallback(DraggedOutputTarget.Node);
NodeEditor.UpdateCallback(DraggedOutput.Node);
}
//Release the dragged connection
DraggedOutput = null;
DraggedOutputTarget = null;
EditorUtility.SetDirty(Graph);
NodeEditorUtilities.AutoSaveAssets();
}
else if (_currentActivity == Activity.Dragging)
{
Node[] nodes = GetSelected <Node>();
foreach (Node node in nodes)
{
EditorUtility.SetDirty(node);
}
NodeEditorUtilities.AutoSaveAssets();
}
else if (!IsHoveringConnectionModifier)
{
//If clicking outside the Con. Mod, release the field focus
if (!IsPanning)
{
EditorGUI.FocusTextInControl(null);
}
NodeEditorUtilities.AutoSaveAssets();
}
else if (!IsHoveringNode)
{
//If clicking outside the node, release the field focus
if (!IsPanning)
{
EditorGUI.FocusTextInControl(null);
}
NodeEditorUtilities.AutoSaveAssets();
}
if (_currentActivity == Activity.Holding && !(_cachedEvent.control || _cachedEvent.shift))
{
if (IsHoveringNode)
{
Select(_hoveredNode, false);
}
else if (IsHoveringConnectionModifier)
{
Select(_hoveredInstruction, false);
}
}
Repaint();
_currentActivity = Activity.Idle;
}