// GUI function for the main view
void DrawMainViewGUI()
{
FeedbackQueue.Reset();
_scrollMain = EditorGUILayout.BeginScrollView(
_scrollMain, false, false,
GUIStyles.horizontalScrollbar,
GUIStyles.verticalScrollbar,
GUIStyles.background
);
// Draw the link lines.
if (Event.current.type == EventType.Repaint)
{
foreach (var node in _patch.nodeList)
{
if (!node.DrawLinkLines(_patch))
{
// Request repaint if position info is not ready.
Repaint();
break;
}
}
}
// Draw all the nodes and make the bounding box.
BeginWindows();
foreach (var node in _patch.nodeList)
{
node.DrawWindowGUI();
_mainViewSize = Vector2.Max(_mainViewSize, node.windowPosition);
}
EndWindows();
// Place an empty box to expand the scroll view.
GUILayout.Box(
"", EditorStyles.label,
GUILayout.Width(_mainViewSize.x + 256),
GUILayout.Height(_mainViewSize.y + 128)
);
// Draw working link line while wiring.
if (_wiring != null)
{
DrawWorkingLink();
}
EditorGUILayout.EndScrollView();
// Process all the feedback from the leaf UI elements.
while (!FeedbackQueue.IsEmpty)
{
ProcessUIFeedback(FeedbackQueue.Dequeue());
}
}
private void EventHandler()
{
FeedbackQueue.Reset();
var e = Event.current;
var activeNode = GetActiveNode();
if (e.isKey && e.keyCode == KeyCode.Delete)
{
if (NodeLink.SelectedLink == null)
{
return;
}
NodeLink.SelectedLink.RemoveLink();
_patch.Rescan();
Repaint();
}
else if (e.isKey && e.keyCode == KeyCode.C && e.modifiers == EventModifiers.Control)
{
if (activeNode == null)
{
return;
}
_currentCopiedNode = activeNode;
}
else if (e.isKey && e.keyCode == KeyCode.V && e.modifiers == EventModifiers.Control && _currentCopiedNode != null)
{
var nodeBase = Instantiate(_currentCopiedNode._instance);
nodeBase.name = ObjectNames.NicifyVariableName(_currentCopiedNode.typeName);
nodeBase.wiringNodePosition += Vector2.one * 50;
var copiedNode = _patch.AddNodeInstance(nodeBase);
copiedNode.RemoveAllLinks(_patch);
foreach (var node in _patch.nodeList)
{
node.RemoveLinksTo(copiedNode, _patch);
}
Undo.RegisterCreatedObjectUndo(nodeBase.gameObject, "Paste Node");
}
else if (e.isMouse && e.button == 0 && e.modifiers == EventModifiers.None)
{
NodeLink.SelectedLink = null;
foreach (var node in _patch.nodeList)
{
if (node.CachedLinks == null)
{
node.CacheLinks(_patch);
}
foreach (var link in node.CachedLinks)
{
var pos = (e.mousePosition - new Vector2(0, 16 / _zoom) + _scrollPosition) / _zoom;
if (link.OnLine(pos))
{
NodeLink.SelectedLink = link;
Node.ActiveNode = null;
}
}
}
}
}
