/// <summary>
/// This method will be called to add a crossing to the traffic system
/// </summary>
/// <param name="position">The position of the crossing tht the user wants to place the crossing</param>
/// <returns>returns true if the crossing is successfully added and false otherwise</returns>
public bool addCrossing(Crossing crossing, Point pt)
{
if (traficsrossings.Count == 0)
{
traficsrossings.Add(crossing);
return(true);
}
else
{
int size = traficsrossings.Count;
for (int x = 0; x < size; x++)
{
if (pt == traficsrossings[x].GetRectangle().Location)
{
// MessageBox.Show("the selected area have crossing, please select other place");
return(false);
}
}
traficsrossings.Add(crossing);
findNeighbour(crossing);
return(true);
}
}
/// <summary>
/// a method which checks the neighbours of a given crossing corresponding to their direction
/// </summary>
/// <param name="currentCrossing"> the crossing which its neighbours are to be found</param>
/// <returns>a number of crossing which are neighbours to the parameter crossing</returns>
public void findNeighbour(Crossing currentCrossing)
{
for (int x = 0; x < traficsrossings.Count; x++)
{
//adding north
if (currentCrossing.position.Y - currentCrossing.crossingrect.Height == traficsrossings[x].position.Y && currentCrossing.position.X == traficsrossings[x].position.X)
{
currentCrossing.myneighbours.Insert(0, traficsrossings[x]);
// to add for the other existing neghbour
traficsrossings[x].myneighbours.Insert(2, currentCrossing);
}
//adding east
else if (currentCrossing.position.X + currentCrossing.crossingrect.Width == traficsrossings[x].position.X && currentCrossing.position.Y == traficsrossings[x].position.Y)
{
currentCrossing.myneighbours.Insert(1, traficsrossings[x]);
traficsrossings[x].myneighbours.Insert(3, currentCrossing);
}
// adding south
else if (currentCrossing.position.Y + currentCrossing.crossingrect.Height == traficsrossings[x].position.Y && currentCrossing.position.X == traficsrossings[x].position.X)
{
currentCrossing.myneighbours.Insert(2, traficsrossings[x]);
traficsrossings[x].myneighbours.Insert(0, currentCrossing);
}
// adding west
else if (currentCrossing.position.X - currentCrossing.crossingrect.Width == traficsrossings[x].position.X && currentCrossing.position.Y == traficsrossings[x].position.Y)
{
currentCrossing.myneighbours.Insert(3, traficsrossings[x]);
traficsrossings[x].myneighbours.Insert(1, currentCrossing);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="currentcrossing"></param>
public void incomingAndOutgoingcar(Crossing currentcrossing)
{
// findNeighbour(current);
}