private void timer1_Tick(object sender, EventArgs e)
{
systemtime++;
LblTime.Text = "Time : " + systemtime;
//update system
if (queue.Count != 0 && !Is_serverBusy)
{
person current = queue[0];
current.BeginService = systemtime;
current.Delay = current.BeginService - current.Arrival;
serverperson = current;
queue.Remove(current);
Is_serverBusy = true;
}
else
{
for (int i = 0; i < persons.Count; i++)
{
person current = persons[i];
if (current.Arrival == systemtime)
{
if (!Is_serverBusy)
{
current.BeginService = systemtime;
current.Delay = current.BeginService - current.Arrival;
serverperson = current;
persons.Remove(current);
Is_serverBusy = true;
}
else
{
queue.Add(current);
persons.Remove(current);
}
}
}
}
if (serverperson != null && serverperson.BeginService + serverperson.ServiceTime == systemtime)
{
serverperson.Done = true;
serverperson.Leave = systemtime;
serverperson.TotalWait = serverperson.Leave - serverperson.Arrival;
result.Add(serverperson);
serverperson = null;
Is_serverBusy = false;
}
g.Clear(Color.White);
//draw queue
g.DrawString("Queue", new Font(FontFamily.GenericSansSerif, 14f, FontStyle.Bold), MainPen.Brush, new PointF(380, 24));
g.DrawRectangle(MainPen, new Rectangle(200, 50, 400, 100));
//draw server
g.DrawString("Server", new Font(FontFamily.GenericSansSerif, 14f, FontStyle.Bold), MainPen.Brush, new PointF(780, 290));
g.DrawRectangle(MainPen, new Rectangle(700, 250, 200, 100));
int X = 0;
foreach (person perr in queue)
{
g.FillEllipse((new Pen(perr.Col)).Brush, new Rectangle(450 - X, 75, 50, 50));
g.DrawString(perr.ID.ToString(), new Font(FontFamily.GenericSansSerif, 14f, FontStyle.Bold), (new Pen(Color.Black)).Brush, new PointF(475 - X, 100));
X += 100;
}
if (Is_serverBusy)
{
g.FillEllipse((new Pen(serverperson.Col)).Brush, new Rectangle(680, 300, 50, 50));
g.DrawString(serverperson.ID.ToString(), new Font(FontFamily.GenericSansSerif, 14f, FontStyle.Bold), (new Pen(Color.Black)).Brush, new PointF(705, 325));
}
int simend1 = (from e2 in persons where !e2.Done select e2).ToList <person>().Count;
int simend2 = (from e2 in queue where !e2.Done select e2).ToList <person>().Count;
if (simend1 == 0 && simend2 == 0 && serverperson == null)
{
timer1.Stop();
UpdateStatistics();
}
}