public T CreateNodeAsset <T>(VisualNodeRoot root) where T : ScriptableObject
{
var nodeNameTag = typeof(T).Name;
var path = AssetDatabase.GetAssetPath(root);
var directoryPath = Path.GetDirectoryName(path);
var absolutePath = Path.GetDirectoryName(Application.dataPath) + "/";
int numberedSufix = -1;
string nodeFinalPath;
do
{
numberedSufix++;
nodeFinalPath = directoryPath + "/" + nodeNameTag + numberedSufix + ".asset";
} while (File.Exists(absolutePath + nodeFinalPath));
var newNode = ScriptableObject.CreateInstance <T>();
try
{
AssetDatabase.CreateAsset(newNode, nodeFinalPath);
}
catch (Exception e)
{
Debug.LogError("Could not create Node asset at path " + nodeFinalPath);
return(null);
}
return(newNode);
}
public void DeleteNodes(VisualNodeBase node, VisualNodeRoot root)
{
if (node == root.root)
{
root.root = null;
}
//enter on children
var childCount = node.children.Count();
for (int i = childCount - 1; i >= 0; i--)
{
if (node.children[i] != null)
{
node.children[i].parent = null;
//DeleteNodesRecursive(node.children[i], root);
}
}
//remove from parent
if (node.parent != null)
{
var index = node.parent.children.IndexOf(node);
node.parent.children.RemoveAt(index);
node.parent.children.Insert(index, null);
}
root.nodes.Remove(node);
EditorUtility.SetDirty(root);
//delete asset
UnityEngine.Object.DestroyImmediate(node, true);
AssetDatabase.SaveAssets();
}
private void OnGUI()
{
GUI.Box(new Rect(0, 0, position.width, 20), "");
_currentRoot = (VisualNodeRoot)EditorGUILayout.ObjectField(_currentRoot, typeof(VisualNodeRoot));
if (_currentRoot == null)
{
GUILayout.Label("There is no VisualNodeRoot selected.");
return;
}
if (_currentRoot.root == null)
{
if (GUI.Button(new Rect(0, 20, 100, 16), "Add root node"))
{
new VisualNodeEditorContextMenu(AddNodeToRoot).ShowMenu();
}
return;
}
if (Event.current.isScrollWheel)
{
zoomScale += Event.current.delta.y / 100;
if (zoomScale <= .1f)
{
zoomScale = .1f;
}
}
if (Event.current.keyCode == KeyCode.R)
{
editorZoomArea.ResetZoom();
Event.current.Use();
}
//Begin scroll view
fullEditorSize.width += 50;
fullEditorSize.height += 50;
editorZoomArea.Begin(new Rect(0, 20, position.width, position.height), fullEditorSize);
fullEditorSize.xMax = 0;
fullEditorSize.yMax = 0;
DrawNodesConnections();
DrawNodeWindows();
editorZoomArea.End();
ConnectingToParentEventCheck();
HandleContextClick();
HandleScrollDrag();
}
private void OnSelectionChange()
{
if (Selection.activeObject is VisualNodeRoot)
{
_currentRoot = Selection.activeObject as VisualNodeRoot;
_currentRoot.nodes.RemoveAll((o) => o == null);
}
zoomScale = 1f;
scrollPos = Vector2.zero;
Repaint();
}
public static void OpenInVisualNodeEditor()
{
ShowWindow();
_currentRoot = Selection.activeObject as VisualNodeRoot;
}
