public void AddNode(BaseNode node)
{
if (node.Graph != this)
throw new Exception("Node's parent graph is not this graph.");
if (!this.nodes.Contains(node))
{
this.nodes.Add(node);
if (node is Output)
{
this.outputs.Add((Output)node);
}
}
}
public GraphNode(Vector2 position, BaseNode node)
{
this.Position = position;
this.node = node;
// get all the inputs and outputs for display later.
this.nodeOutputs = this.node.GetOuputNames();
this.nodeInputs = this.node.GetInputNames();
// set up the output preview texture array.
if (this.node is Output)// doesn't have a normal output
this.previewTextures = new Texture2D[1];
else
this.previewTextures = new Texture2D[nodeOutputs.Length];
this.container = new TitledPanel(node.GetType().Name, new Rectangle(0, 0, 100, 130));
this.container.Color = defaultColor;
this.Linked = false;
this.AddChild(container);
}
public void RemoveNode(BaseNode node)
{
if (node.Graph != this)
throw new Exception("Node's parent graph is not this graph.");
if (this.nodes.Contains(node))
{
this.nodes.Remove(node);
if (node is Output)
{
// only has inputs we dont care about clearing those up because the node isnt part of the graph anymore, and shouldnt be used.
this.outputs.Remove((Output)node);
}
else // remove all input references from remaining nodes.
{
foreach (BaseNode n in this.nodes)
{
for (int i = 0; i < n.GetInputCount(); i++)
{
if (n.GetInput(i).Target == node)
{
string name = n.GetInputName(i);
n.SetInput(name, null);
}
}
}
}
}
}