/*
* UpdateMasterGraphHelper works similar to RecordAndConnectNode, but adds nodes to the Master Graph instead of the Current
* Graph.
*/
public void UpdateMasterGraphHelper(bool northArcOption, bool eastArcOption, bool southArcOption, bool westArcOption)
{
//System.Console.WriteLine("\nIn UpdateMasterGraphHelper()");
_previousNode = _currentNode;
if (_previousNode.WasSpecifiedArcOptionExplored(_directionTraveled) &&
_masterGraphAlreadyIssuedCoordinates.Contains("[" + _xCoordinate + "," + _yCoordinate + "]"))
{
System.Console.WriteLine("Have traveled to an already known node along an already known path");
int tempIndex = _masterGraphAlreadyIssuedCoordinates.IndexOf("[" + _xCoordinate + "," + _yCoordinate + "]");
_currentNode = _masterGraph.GetNode(_nodeNamesList.ElementAt(tempIndex));
}
else if (_masterGraphAlreadyIssuedCoordinates.Contains("[" + _xCoordinate + "," + _yCoordinate + "]"))
{
System.Console.WriteLine("Have traveled to an already known node along a previously unknown path");
int tempIndex = _masterGraphAlreadyIssuedCoordinates.IndexOf("[" + _xCoordinate + "," + _yCoordinate + "]");
_currentNode = _masterGraph.GetNode(_nodeNamesList.ElementAt(tempIndex));
_previousNode.SpecifiedArcOptionWasExplored(_directionTraveled);
_masterGraph.AddArc(_previousNode, _directionTraveled, _currentNode);
_currentNode.SpecifiedArcOptionWasExplored(Helper.GiveOppositeDirection(_directionTraveled));
}
else
{
System.Console.WriteLine("Have traveled to an unknown node");
_previousNode.SpecifiedArcOptionWasExplored(_directionTraveled);
_currentNode = new Node(_nodeNamesList.ElementAt(_masterGraphNodeNamesListCounter), northArcOption, eastArcOption, southArcOption, westArcOption);
_currentNode.SpecifiedArcOptionWasExplored(Helper.GiveOppositeDirection(_directionTraveled));
_currentNode.XCoordinate = _xCoordinate;
_currentNode.YCoordinate = _yCoordinate;
_masterGraphAlreadyIssuedCoordinates.Add("[" + _xCoordinate + "," + _yCoordinate + "]");
_masterGraph.AddNode(_currentNode);
_masterGraph.AddArc(_previousNode, _directionTraveled, _currentNode);
_masterGraphNodeNamesListCounter += 1;
}
//System.Console.WriteLine("Leaving UpdateMasterGraphHelper()\n");
}
/*************************
* METHODS
*************************/
/*
* RecordAndConnectNode takes a description of the intersection/node the agent is currently at and if that intersection/node
* has not already been visited by the agent, records it in the form node within a graph, attaching it via an arc to the
* intersection/node the agent just traveled from. If the node is not new, but the arc the agent traversed to get to it was
* up till then unexplored, the method will only add the arc between the two known nodes to the graph. If the node is not new
* and the arc traversed to get there was already explored, the method will add nothing to the graph.
*/
public void RecordAndConnectNode(bool northArcOption, bool eastArcOption, bool southArcOption, bool westArcOption)
{
//System.Console.WriteLine("\nIn RecordAndConnectNode()");
if (_directionTraveled.Equals("none"))
{
System.Console.WriteLine("Setting up and adding first node to GraphBuilder's Current Run Graph");
_currentNode = new Node(_nodeNamesList.ElementAt(_nodeNamesListCounter), northArcOption, eastArcOption, southArcOption, westArcOption);
_descriptionsOfNodesUsedInCurrentRun.Add(_currentNode.ArcOptions);
_currentNode.XCoordinate = _xCoordinate;
_currentNode.YCoordinate = _yCoordinate;
_currentGraph.AddNode(_currentNode);
_alreadyIssuedCoordinates.Add("[" + _xCoordinate + "," + _yCoordinate + "]");
_nodeNamesListCounter += 1;
}
else
{
_previousNode = _currentNode;
if (_previousNode.WasSpecifiedArcOptionExplored(_directionTraveled) &&
_alreadyIssuedCoordinates.Contains("[" + _xCoordinate + "," + _yCoordinate + "]"))
{
System.Console.WriteLine("Have traveled to an already known node along an already known path");
int tempIndex = _alreadyIssuedCoordinates.IndexOf("[" + _xCoordinate + "," + _yCoordinate + "]");
_currentNode = _currentGraph.GetNode(_nodeNamesList.ElementAt(tempIndex));
_descriptionsOfNodesUsedInCurrentRun.Add(_currentNode.ArcOptions);
}
else if (_alreadyIssuedCoordinates.Contains("[" + _xCoordinate + "," + _yCoordinate + "]"))
{
System.Console.WriteLine("Have traveled to an already known node along a previously unknown path");
int tempIndex = _alreadyIssuedCoordinates.IndexOf("[" + _xCoordinate + "," + _yCoordinate + "]");
_currentNode = _currentGraph.GetNode(_nodeNamesList.ElementAt(tempIndex));
_descriptionsOfNodesUsedInCurrentRun.Add(_currentNode.ArcOptions);
_previousNode.SpecifiedArcOptionWasExplored(_directionTraveled);
_currentGraph.AddArc(_previousNode, _directionTraveled, _currentNode);
_currentNode.SpecifiedArcOptionWasExplored(Helper.GiveOppositeDirection(_directionTraveled));
}
else
{
System.Console.WriteLine("Have traveled to an unknown node");
_previousNode.SpecifiedArcOptionWasExplored(_directionTraveled);
_currentNode = new Node(_nodeNamesList.ElementAt(_nodeNamesListCounter), northArcOption, eastArcOption, southArcOption, westArcOption);
_currentNode.SpecifiedArcOptionWasExplored(Helper.GiveOppositeDirection(_directionTraveled));
_descriptionsOfNodesUsedInCurrentRun.Add(_currentNode.ArcOptions);
_currentNode.XCoordinate = _xCoordinate;
_currentNode.YCoordinate = _yCoordinate;
_alreadyIssuedCoordinates.Add("[" + _xCoordinate + "," + _yCoordinate + "]");
_currentGraph.AddNode(_currentNode);
_currentGraph.AddArc(_previousNode, _directionTraveled, _currentNode);
_nodeNamesListCounter += 1;
}
}
//System.Console.WriteLine("Leaving ()\n");
}
