/// <summary> 连接节点 </summary>
IEnumerator LinkNodeViews()
{
int step = 0;
foreach (var connection in Model.Connections)
{
if (connection == null)
{
continue;
}
BaseNodeView fromNodeView, toNodeView;
if (!NodeViews.TryGetValue(connection.FromNodeGUID, out fromNodeView))
{
throw new NullReferenceException($"找不到From节点{connection.FromNodeGUID}");
}
if (!NodeViews.TryGetValue(connection.ToNodeGUID, out toNodeView))
{
throw new NullReferenceException($"找不到To节点{connection.ToNodeGUID}");
}
ConnectView(fromNodeView, toNodeView, connection);
step++;
if (step % 5 == 0)
{
yield return(null);
}
}
}
/// <summary> 连接节点 </summary>
IEnumerator LinkNodeViews()
{
foreach (var serializedEdge in Model.Edges)
{
yield return(0);
if (serializedEdge.Value == null)
{
continue;
}
BaseNodeView inputNodeView, outputNodeView;
if (!NodeViews.TryGetValue(serializedEdge.Value.InputNodeGUID, out inputNodeView))
{
yield break;
}
if (!NodeViews.TryGetValue(serializedEdge.Value.OutputNodeGUID, out outputNodeView))
{
yield break;
}
ConnectView(inputNodeView.PortViews[serializedEdge.Value.InputFieldName]
, outputNodeView.PortViews[serializedEdge.Value.OutputFieldName]
, serializedEdge.Value);
}
}
void DeserializeAndPasteCallback(string _operationName, string _serializedData)
{
ClearSelection();
var data = SerializationUtility.DeserializeValue <ClipBoard>(Encoding.UTF8.GetBytes(_serializedData), DataFormat.JSON, ClipBoard.objectReferences);
Dictionary <string, BaseNode> copiedNodesMap = new Dictionary <string, BaseNode>();
foreach (var node in data.copiedNodes)
{
if (node == null)
{
continue;
}
string sourceGUID = node.GUID;
// 新节点重置id
BaseNode.IDAllocation(node);
// 新节点与旧id存入字典
copiedNodesMap[sourceGUID] = node;
Model.AddNode(node).ClearConnectionsWithoutNotification();
node.Position += new Vector2(20, 20);
AddToSelection(NodeViews[node.GUID]);
}
foreach (var group in data.copiedGroups)
{
group.Position = new Rect(new Vector2(20, 20), group.Position.size);
var oldGUIDList = group.InnerNodeGUIDs.ToList();
group.InnerNodeGUIDs.Clear();
foreach (var guid in oldGUIDList)
{
if (copiedNodesMap.TryGetValue(guid, out var node))
{
group.InnerNodeGUIDs.Add(node.GUID);
}
}
Model.AddGroup(group);
}
foreach (var edge in data.copiedEdges)
{
//edge.Enable(Model);
copiedNodesMap.TryGetValue(edge.InputNodeGUID, out var inputNode);
copiedNodesMap.TryGetValue(edge.OutputNodeGUID, out var outputNode);
inputNode = inputNode == null ? Model.Nodes[edge.InputNodeGUID] : Model.Nodes[inputNode.GUID];
outputNode = outputNode == null ? Model.Nodes[edge.OutputNodeGUID] : Model.Nodes[outputNode.GUID];
if (inputNode == null || outputNode == null)
{
continue;
}
inputNode.TryGetPort(edge.InputFieldName, out NodePort inputPort);
outputNode.TryGetPort(edge.OutputFieldName, out NodePort outputPort);
if (!inputPort.Multiple && inputPort.IsConnected)
{
continue;
}
if (!outputPort.Multiple && outputPort.IsConnected)
{
continue;
}
if (NodeViews.TryGetValue(inputNode.GUID, out BaseNodeView inputNodeView) &&
NodeViews.TryGetValue(outputNode.GUID, out BaseNodeView outputNodeView))
{
Model.Connect(inputNodeView.Model.Ports[edge.InputFieldName], outputNodeView.Model.Ports[edge.OutputFieldName]);
}
}
SetDirty();
}