public void ProcessNodeInput(Node node, int inputId, Rect bigRect, Rect smallRect)
{
Event currentEvent = Event.current;
EventType eventType = currentEvent.type;
if (_node != null)//draging
{
if (!bigRect.Contains(currentEvent.mousePosition))
{
return;
}
Link link = node.Inputs[inputId];
bool validate = NodeCollector.ValidateTypes(link.Type, _node.CashedOutputType) || NodeCollector.ValidateTypes(_node.CashedOutputType, link.Type);
if (eventType == EventType.Repaint && validate)
{
_hoverInput = true;
_inputPosition = GetNodeInputPosition(node, inputId);
}
if (eventType == EventType.MouseUp && currentEvent.button == 0)
{
Undo.RecordObject(Window._nodeDataContainer, "Change Link");
if (validate)
{
link.NodeId = _node.NodeId;
}
}
}
else//
{
if (eventType == EventType.MouseDown && currentEvent.button == 0 && smallRect.Contains(currentEvent.mousePosition))
{
Link link = node.Inputs[inputId];
Node inNode = Window._nodeData.GetNode(link);
if (inNode != null)
{
Undo.RecordObject(Window._nodeDataContainer, "Change Link");
_node = inNode;
link.NodeId = Node.NoNodeID;
DefaultNode.ToDefault(link, Window._nodeData);
_hoverInput = false;
Window.RebuildGraph();
currentEvent.Use();
}
}
}
}
public static void ToDefault(Link link, NodeData nodeData)
{
if (link.NoDefaults)
{
return;
}
if (link.NodeId > NoNodeID)
{
return;
}
int nodeID = link.NodeId < NoNodeID ? link.NodeId : link.LastDefaultNode;
Node defaultNode = nodeID < NoNodeID?nodeData.GetNode(link.NodeId) : null;
if (defaultNode == null || !NodeCollector.ValidateTypes(link.Type, defaultNode.OutputType))
{
defaultNode = nodeData.CreateDefaultNode(link.Type);
}
link.LastDefaultNode = link.NodeId = defaultNode != null ? defaultNode.NodeId : NoNodeID;
}
