bool CanCreateLink(AG_NodeLinkPoint beginningPoint, AG_NodeLinkPoint endingPoint)
{
int beginningPointLinkNumber = beginningPoint.maxLinks;
int endingPointLinkNumber = endingPoint.maxLinks;
bool isMaxNumberInBegin = false;
if (beginningPoint.links != null)
{
isMaxNumberInBegin = beginningPoint.links.Count >= beginningPointLinkNumber;
}
bool isMaxNumberInEnd = false;
if (endingPoint.links != null)
{
isMaxNumberInEnd = endingPoint.links.Count >= endingPointLinkNumber;
}
if (isMaxNumberInBegin || isMaxNumberInEnd || IsThereTheSameLink(beginningPoint, endingPoint))
{
return(false);
}
else
{
return(true);
}
}
private void ProcessMouseDownOverPoint(Event e)
{
bool isLeftClickDown = e.type == EventType.MouseDown && e.button == 0;
if (isLeftClickDown && currentGraph != null && currentGraph.nodes != null)
{
foreach (AG_Node node in currentGraph.nodes)
{
if (node.outputPoints != null)
{
foreach (AG_NodeLinkPoint point in node.outputPoints)
{
if (point.clickableRect.Contains(e.mousePosition))
{
draggingLinkNode = true;
clickedInputNode = node;
clickedOutputPoint = point;
e.Use();
}
}
}
}
}
}
public AG_NodeLink(AG_Node _inputNode, AG_NodeLinkPoint _beginningPoint, AG_Node _outputNode, AG_NodeLinkPoint _endingPoint)
{
inputNode = _inputNode;
beginningPoint = _beginningPoint;
outputNode = _outputNode;
endingPoint = _endingPoint;
}
public AG_NodeLink(AG_Node _inputNode, AG_NodeLinkPoint _beginningPoint, AG_Node _outputNode, AG_NodeLinkPoint _endingPoint, int _duration)
{
inputNode = _inputNode;
beginningPoint = _beginningPoint;
outputNode = _outputNode;
endingPoint = _endingPoint;
duration = _duration;
}
public void AddOutputPoint(string pointName, bool showName, int maxLinks)
{
if (outputPoints == null)
{
outputPoints = new List <AG_NodeLinkPoint>();
}
AG_NodeLinkPoint pointToAdd = new AG_NodeLinkPoint(pointName, showName, PointType.Output, maxLinks);
outputPoints.Add(pointToAdd);
}
bool IsThereTheSameLink(AG_NodeLinkPoint beginningPoint, AG_NodeLinkPoint endingPoint)
{
if (currentGraph != null)
{
foreach (AG_NodeLink link in currentGraph.links)
{
if (link.beginningPoint == beginningPoint && link.endingPoint == endingPoint)
{
return(true);
}
}
}
return(false);
}
private void ProcessGenericMouseUp(Event e)
{
bool isLeftClickUp = e.type == EventType.MouseUp && e.button == 0;
if (isLeftClickUp)
{
DeselectAllNodes();
draggingLinkNode = false;
clickedInputNode = null;
clickedOutputPoint = null;
selectedNode = null;
e.Use();
}
}
