public static LinkInfo From(NodeInfo nodeInfo, Slot slot, Node node)
{
Tuple<Slot, Node> tuple = new Tuple<Slot, Node>(slot, node);
LinkInfo linkInfo;
if (!linkInfos.TryGetValue(tuple, out linkInfo))
linkInfos.Add(tuple, linkInfo = new LinkInfo(nodeInfo, slot, node));
return linkInfo;
}
private LinkInfo(NodeInfo nodeInfo, Slot slot, Node node)
{
Slot = slot;
SlotInfo = SlotInfo.From(nodeInfo, slot);
SlotInfo.PropertyChanged += SlotInfo_PropertyChanged;
Node = node;
NodeInfo = NodeInfo.From(nodeInfo.FlowInfo, node);
NodeInfo.PropertyChanged += NodeInfo_PropertyChanged;
}
private IEnumerable<Node> GetAllNodes(Node node, List<Node> knownNodes)
{
if (knownNodes.Contains(node))
yield break;
yield return node;
knownNodes.Add(node);
foreach (Slot slot in node.Slots)
foreach (Node slotNode in slot.Nodes)
foreach (Node subNode in GetAllNodes(slotNode, knownNodes))
{
if (knownNodes.Contains(subNode))
continue;
yield return subNode;
knownNodes.Add(subNode);
}
}
protected virtual NodeStep EvaluateNode(Node node)
{
NodeStep step;
Log.Trace("Entering node {0}", node.GetType().Name);
try
{
step = node.Evaluate();
}
catch
{
step = new NodeStep(NodeResult.Fail, null);
}
if (evaluating)
Log.Trace("Exiting node {0} with result {1}{2}", node.GetType().Name, step.Result, step.Slot == null ? "" : (" by slot " + step.Slot.Name));
return step;
}
private NodeInfo(FlowInfo flowInfo, Node node)
{
FlowInfo = flowInfo;
Node = node;
NodeAnchorBinder.PropertyChanged += NodeAnchorBinder_PropertyChanged;
}
public static NodeInfo From(FlowInfo flowInfo, Node node)
{
NodeInfo nodeInfo;
if (!nodeInfos.TryGetValue(node, out nodeInfo))
nodeInfos.Add(node, nodeInfo = new NodeInfo(flowInfo, node));
return nodeInfo;
}
public AddNodeAction(FlowInfo flow, Node node)
{
FlowInfo = flow;
Node = node;
}