public void CreateNode(DialogueNode parent)
{
DialogueNode newNode = CreateInstance <DialogueNode>();
newNode.name = Guid.NewGuid().ToString();
if (parent != null)
{
parent.AddChild(newNode.name);
newNode.SetPlayerIsSpeaking(!parent.IsPlayerSpeaking());
newNode.SetPosition(parent.GetRect().position + newNodeOffset);
}
Undo.RegisterCreatedObjectUndo(newNode, "Created Dialogue Node");
if (AssetDatabase.GetAssetPath(this) != "")
{
Undo.RecordObject(this, "Added Dialogue Node");
}
nodes.Add(newNode);
OnValidate();
}