private void InitializeWindow()
{
diagramSO = new SerializedObject(diagram);
nodesSP = diagramSO.FindProperty("nodes");
diagramEvent = new DiagramWindowEvent();
if (selectedNodeIndex >= diagram.nodes.Length)
{
selectedNodeIndex = -1;
}
windowNodes = new DiagramWindowNode[diagram.nodes.Length];
for (int i = 0; i < diagram.nodes.Length; i++)
{
if (diagram.nodes[i].Function == null || diagram.nodes[i].Function.type != FunctionType.Output)
{
windowNodes[i] = new DiagramWindowNode(i, diagram.nodes[i], nodesSP.GetArrayElementAtIndex(i), this);
}
else
{
windowNodes[i] = new DiagramWindowOutputNode(i, diagram.nodes[i], nodesSP.GetArrayElementAtIndex(i), this);
}
if (selectedNodeIndex == i)
{
windowNodes[i].IsFocused = true;
}
}
ComputeCanvas();
transactions = new List <DiagramWindowTransaction>();
diagram.prepared = false;
}
public bool SetArgument(int argumentIndex, DiagramWindowNode argumentNode)
{
if (argumentNode == null && node.argumentIndices[argumentIndex] < 0 || argumentNode != null && argumentNode.index == node.argumentIndices[argumentIndex])
{
// No change.
return(false);
}
if (argumentNode == null)
{
// Disconnect property.
nodeSP.FindPropertyRelative("argumentIndices").GetArrayElementAtIndex(argumentIndex).intValue = -1;
return(true);
}
if (node.Function.propertyTypes[argumentIndex] != argumentNode.node.Function.returnType)
{
window.ShowNotification(new GUIContent("Cannot connect " + node.Function.propertyTypes[argumentIndex] + " to " + argumentNode.node.Function.returnType));
return(false);
}
if (argumentNode.node.IsDependentOn(node))
{
window.ShowNotification(new GUIContent("Cannot create a loop."));
return(false);
}
nodeSP.FindPropertyRelative("argumentIndices").GetArrayElementAtIndex(argumentIndex).intValue = argumentNode.index;
return(true);
}
private void DoNodeContextMenu(DiagramWindowNode node)
{
GenericMenu menu = new GenericMenu();
menu.AddItem(new GUIContent("Delete"), false, DeleteNodeCallback, node);
menu.AddItem(new GUIContent("Duplicate"), false, DuplicateNodeCallback, node);
menu.ShowAsContext();
}
public ConnectionDragTransaction(DiagramWindowNode nodeToConnect, int argumentIndex, Vector2 startPosition)
{
this.nodeToConnect = nodeToConnect;
this.argumentIndex = argumentIndex;
this.startPosition = startPosition;
startTangent = startPosition;
startTangent.x -= 60f;
}
public NodeDragTransaction(DiagramWindowNode nodeToDrag, Vector2 dragStartPosition)
{
this.nodeToDrag = nodeToDrag;
nodeStartPosition = nodeToDrag.Position;
startPosition = dragStartPosition;
}
public void Reset(DiagramWindowNode[] windowNodes, Vector2 scrollPosition, int selectedNodeIndex)
{
type = DiagramWindowEventType.None;
if (selectedNodeIndex < 0 || selectedNodeIndex >= windowNodes.Length ||
!windowNodes[selectedNodeIndex].SelectedWindowRect.Contains(Event.current.mousePosition))
{
if (Event.current.button == 0)
{
switch (Event.current.type)
{
case EventType.MouseDown:
type = DiagramWindowEventType.TouchBegin;
break;
case EventType.MouseUp:
type = DiagramWindowEventType.TouchEnd;
break;
case EventType.MouseDrag:
type = DiagramWindowEventType.TouchMove;
break;
}
}
if (Event.current.type == EventType.ContextClick)
{
type = DiagramWindowEventType.ContextClick;
}
}
if (type == DiagramWindowEventType.None)
{
switch (Event.current.type)
{
case EventType.Layout:
type = DiagramWindowEventType.Layout;
break;
case EventType.Repaint:
type = DiagramWindowEventType.Repaint;
break;
}
return;
}
touchPosition = Event.current.mousePosition;
scrolledTouchPosition = touchPosition + scrollPosition;
if (type == DiagramWindowEventType.TouchMove)
{
// Keep targeting the same node while a drag is in progress.
return;
}
targetWindowNode = null;
targetOutputNode = null;
for (int i = windowNodes.Length - 1; i >= 0; i--)
{
if (windowNodes[i].Contains(scrolledTouchPosition))
{
targetWindowNode = windowNodes[i];
break;
}
if (windowNodes[i].OutputConnectionRect.Contains(scrolledTouchPosition))
{
targetOutputNode = windowNodes[i];
break;
}
}
}