/// <summary>
/// The constructor will only ever be called in editor.
/// </summary>
public NodeGraph()
{
NodeCollection = new NodeCollection();
ANode entryNode = NodeCollection.CreateNode(typeof(EntryNode), Vector2.zero);
NodeCollection.SetEntryNode(entryNode.Id);
BlackboardProperties = new BlackboardProperties();
}
public ANode CreateNode(Type type, Vector2 pos)
{
ANode node = Activator.CreateInstance(type) as ANode;
node.Position = pos;
AddNode(node);
return(node);
}
public void RemoveNode(string nodeId)
{
//TODO: MAKE THIS MORE EFFICIENT
ANode node = m_nodes.Find(x => x.Id == nodeId);
if (node != null)
{
m_nodes.Remove(node);
}
}
private void TraverseEdge(OutportEdge edge)
{
if (!m_currentNode.ContainsOutport(edge))
{
Debug.LogError("Ahhhh! Trying to traverse edge from non-current node.");
return;
}
m_currentNode?.OnNodeExit(graphControls);
if (edge == null)
{
StopGraph();
return;
}
m_currentNode = m_nodeCollection.GetNodeById(edge.ConnectedNodeId);
m_currentNode?.OnNodeEnter(graphControls);
}
public void AddNode(ANode node)
{
//TODO: SORT BY GUID
m_nodes.Add(node);
}
public int GetNodeIndex(ANode node)
{
return(m_nodes.FindIndex(x => x == node));
}
public void StartGraph()
{
OnGraphStart?.Invoke();
m_currentNode = m_nodeCollection.GetEntryNode();
m_currentNode?.OnNodeEnter(graphControls);
}
/// <summary>
/// Call this method from any of a node's methods to traverse a particular edge and enter another node.
/// </summary>
/// <param name="index"> The index of the edge (aka outport) we want to traverse. </param>
/// <param name="node"> The current node. </param>
public void TraverseEdge(int index, ANode node)
{
m_onTraverseEdge?.Invoke(node.GetOutportEdge(index));
}