public List <Point> GetTravelList(Point startPoint, Point endPoint, ShrunkNode[,] shrunkMap, int findTownId)
{
List <Point> routeList = new List <Point>();
if (startPoint == endPoint) //return an empty list
{
return(routeList);
}
this.startPoint = startPoint;
this.endPoint = endPoint;
checkNode = new CheckNode();
newPoint = this.startPoint;
checkNode.Update(startPoint, startPoint, newPointScore);
listToCheck.Add(checkNode);
for (int i = 0; i < maximumToCheck; i++)
{
if (listToCheck.Count < 1) //list is empty
{
break;
}
lowestNumber = listToCheck[0].score;
listToCheckIndex = 0;
for (int p = 1; p < listToCheck.Count; p++)
{
if (listToCheck[p].score < lowestNumber)
{
lowestNumber = listToCheck[p].score;
listToCheckIndex = p;
}
}
checkNode = listToCheck[listToCheckIndex]; //getting the next node to check
currentPoint = checkNode.currentPoint; //setting the next node to check to be the current point.
if (currentPoint == this.endPoint) //checking to see if we reached the end;
{
found = true;
break;
}
listToCheck.RemoveAt(listToCheckIndex); //remove the point from the list
UpdateNewPoints(shrunkMap, findTownId); //looking for new points
}
if (found)
{
UpdateTravelList(routeList);
}
return(routeList); //we are returning an empty list
}
private void AddToList(byte direction)
{
newNode = new CheckNode();
newNode.Update(newPoint, currentPoint, newPointScore);
listToCheck.Add(newNode);
score[newPoint.X, newPoint.Y] = newPointScore;
IsSearched[newPoint.X, newPoint.Y] = true;
comeFrom[newPoint.X, newPoint.Y] = currentPoint;
hScore[newPoint.X, newPoint.Y] = newHscore;
directionFrom[newPoint.X, newPoint.Y] = direction; //the direction we come from
}