/* Constructs a Trains object and triggers simulation */
private void StartSimulation()
{
/* Constructing a Train object for simulating */
Trains train = new Trains(m, n, vM);
SignalConsole.Text = "";
InfoConsole.AppendText("\r\nSignalling Simulation Started!\r\n");
ExpectedTimeLabel.Text = (totalTime / 3600).ToString("00") + ":" + ((totalTime / 60) % 60).ToString("00") + ":" + (totalTime % 60).ToString("00");
/* Constructing a Timer to run the simulator every second */
System.Timers.Timer timer2 = new System.Timers.Timer(intTimer);
timer2.Elapsed += (sender, e) => TickEvent2(train, sender, e);
timer2.Enabled = true;
}
/* Handler for Timer tick event */
private void TickEvent2(Trains train, object sender, ElapsedEventArgs e)
{
currentTime = e.SignalTime.ToString("HH:mm:ss");
System.Timers.Timer timer = (System.Timers.Timer)sender;
counter++;
UpdateProgressBar();
if (stop == true)
{
timer.Stop();
InfoConsole.AppendText("\r\n\r\nSignalling Simulation Stopped!");
train.PrintOnStop(m, this);
Stop.Enabled = false;
UpdateControls(true);
}
if (stop == false)
{
train.Simulate(m, n, counter, gap, currentTime, train, speedTimer, this, vM, vR, sD);
finished = train.Finished(m, n, sD);
crashed = train.Crashed(m, n, this, sD);
/* If the simulation finishes */
if (finished)
{
timer.Stop();
train.PrintTime(m, this);
Stop.Enabled = false;
UpdateControls(true);
}
/* If the simulation fails due to a crash between trains */
if (crashed)
{
timer.Stop();
Console.Beep();
train.PrintOnStop(m, this);
Stop.Enabled = false;
UpdateControls(true);
}
}
}
/* Method to perform the simulation */
public void Simulate(int m, int n, int counter, int gap, string currentTime, Trains train, int speedTimer, Form1 form, double vM, double vR, double sD)
{
double p = 0;
Form1 form1 = form;
PrintCurrentTime(form1);
PrintElapsedTime(form1, counter);
/* If the train at the front finishes */
try
{
if (distance[tc] >= (sD * (n + 1)))
{
tc = tc + 1;
start = start + 1;
var = 0;
UpdateInfoConsole(form1, "\r\nTrain " + (tc + 1) + " covered the stretch.");
}
}
catch (Exception e)
{
Console.Beep();
UpdateInfoConsole(form1, "\r\n\r\nError ! : " + e.Message);
}
/* All the signals ahead of the train at the front are given Proceed */
try
{
int u = (int)(distance[tc] / sD);
for (int i = u; i < n; i++)
{
signal[i] = 3;
}
}
catch (Exception e)
{
Console.Beep();
UpdateInfoConsole(form1, "\r\n\r\nError ! : " + e.Message);
}
/* Speed, Time and Distance Calculation for the train at the front and not yet finished */
if (distance[tc] <= (sD * (n + 1)))
{
/* If the train at the train has just become the train at the front and its velocity is not 60 km/hr */
if (velocity[tc] != vM)
{
if (var == 0)
{
v = velocity[tc];
t = (int)((3600 * 2 * sD) / (v + vM));
count[tc] = 0;
var++;
}
if (count[tc] != t)
{
velocity[tc] = velocity[tc] + (((vM - v) * (vM + v)) / (double)(7200 * sD));
s[tc] = (velocity[tc] / 3600) + (((vM - v) * (vM + v)) / (double)(sD * 7200 * 3600));
distance[tc] = distance[tc] + s[tc];
time[tc] = time[tc] + 1;
count[tc]++;
}
if (count[tc] == t)
{
velocity[tc] = vM;
}
}
/* If the velocity is or has become 60 km/hr */
if (velocity[tc] == vM)
{
for (int j = 1; j <= n; j++)
{
if (Math.Abs((sD * j) - distance[tc]) < 0.007)
{
UpdateInfoConsole(form1, "\r\nTrain " + (tc + 1) + " just passed Signal " + (j) + " with a speed of " + (velocity[tc]) + " km/hr.");
}
}
distance[tc] = distance[tc] + (velocity[tc] / 3600);
time[tc] = time[tc] + 1;
}
}
/* For making trains enter the stretch after every 'user input' number of seconds later */
if ((counter % (gap + 1)) == 0)
{
if (temp < m)
{
temp++;
UpdateInfoConsole(form1, "\r\nTrain " + (temp) + " just entered the stretch.");
}
}
/* Speed, Time and Distance calculation for all trains leaving the train at the front */
for (int i = start; i < temp; i++)
{
hasReached[i] = 0;
for (int j = 1; j <= n; j++)
{
/* Checking if the train reaches any signal */
if (Math.Abs((sD * j) - distance[i]) < 0.007)
{
sg[i] = j;
hasReached[i] = 1;
/* Calculating distance of the train from the train ahead of it */
p = distance[i - 1] - distance[i];
/* Cases depending on the gap between the two trains */
if (p > 0 && p < sD)
{
try
{
signal[j - 1] = 0;
}
catch (Exception e)
{
UpdateInfoConsole(form1, "\nError! : " + e.Message);
}
}
if (p > sD && p < (sD * 2))
{
/* If the train ahead completed the track */
if (j == n)
{
signal[j - 1] = 3;
}
else
{
try
{
signal[j - 1] = 1;
signal[j] = 0;
}
catch (Exception e)
{
UpdateInfoConsole(form1, "\nError! : " + e.Message);
}
}
}
if (p > (sD * 2) && p < (sD * 3))
{
/* If the train ahead completed the track */
if (j == (n - 1))
{
signal[n - 2] = 3;
signal[n - 1] = 3;
}
else
{
try
{
signal[j - 1] = 2;
signal[j] = 1;
signal[j + 1] = 0;
}
catch (Exception e)
{
UpdateInfoConsole(form1, "\nError! : " + e.Message);
}
}
}
if (p > (sD * 3))
{
int k = (int)(distance[i - 1] / sD);
try
{
/* If the train ahead completed the track */
if (k == (n + 1))
{
for (int l = j - 1; l < k - 1; l++)
{
signal[l] = 3;
}
}
else
{
signal[k - 1] = 0;
signal[k - 2] = 1;
signal[k - 3] = 2;
for (int l = k - 4; l >= j - 1; l--)
{
signal[l] = 3;
}
}
}
catch (Exception e)
{
UpdateInfoConsole(form1, "\nError! : " + e.Message);
}
}
/* Attention and velocity = vM km/hr */
if (signal[j - 1] == 2 && (vM - velocity[i]) < 0.21)
{
count[i] = 0;
flag[i] = 1;
special[i] = 0;
time[i] = time[i] + 1;
count[i]++;
velocity[i] = velocity[i] + ((double)(vR - vM) * (vR + vM) / (7200 * sD));
s[i] = (velocity[i] / 3600) + ((double)(vR - vM) * (vR + vM) / (sD * 7200 * 7200));
distance[i] = distance[i] + s[i];
UpdateInfoConsole(form1, "\r\nTrain " + (i + 1) + "'s speed will now decrease from " + vM + " km/hr to " + vR + " km/hr in the next " + sD + " kms.");
}
/* Attention and velocity = vR km/hr */
if (signal[j - 1] == 2 && velocity[i] < (vR + 1) && (vR - velocity[i]) < 0.11)
{
count[i] = 0;
flag[i] = 2;
special[i] = 0;
time[i] = time[i] + 1;
count[i]++;
s[i] = (velocity[i] / 3600);
distance[i] = distance[i] + s[i];
UpdateInfoConsole(form1, "\r\nTrain " + (i + 1) + "'s speed will now remain constant at " + vR + " km/hr for the next " + sD + " kms.");
}
/* Attention and velocity = 0 km/hr */
if (signal[j - 1] == 2 && (velocity[i] - 0) < 0.11)
{
count[i] = 0;
special[i] = 1;
flag[i] = 5;
time[i] = time[i] + 1;
count[i]++;
velocity[i] = velocity[i] + ((double)(vR * vR) / (7200 * sD));
s[i] = (velocity[i] / 3600) + ((double)(vR * vR) / (sD * 7200 * 7200));
distance[i] = distance[i] + s[i];
UpdateInfoConsole(form1, "\r\nTrain " + (i + 1) + "'s speed will now increase from 0 km/hr to " + vR + " km/hr in the next " + sD + " kms.");
}
/* Caution and velocity = vM km/hr */
if (signal[j - 1] == 1 && (vM - velocity[i]) < 0.021)
{
count[i] = 0;
flag[i] = 3;
special[i] = 0;
time[i] = time[i] + 1;
count[i]++;
velocity[i] = velocity[i] - ((double)(vM * vM) / (7200 * sD));
s[i] = (velocity[i] / 3600) - ((double)(vM * vM) / (sD * 7200 * 7200));
distance[i] = distance[i] + s[i];
UpdateInfoConsole(form1, "\r\nTrain " + (i + 1) + "'s speed will now decrease from " + vM + " km/hr to 0 km/hr in the next " + sD + " kms.");
}
/* Caution and velocity = vR km/hr */
if (signal[j - 1] == 1 && velocity[i] < (vR + 1) && (vR - velocity[i]) < 0.11)
{
count[i] = 0;
flag[i] = 4;
special[i] = 0;
time[i] = time[i] + 1;
count[i]++;
velocity[i] = velocity[i] - ((double)(vR * vR) / (7200 * sD));
s[i] = (velocity[i] / 3600) - ((double)(vR * vR) / (sD * 7200 * 7200));
distance[i] = distance[i] + s[i];
UpdateInfoConsole(form1, "\r\nTrain " + (i + 1) + "'s speed will now decrease from " + vR + " km/hr to 0 km/hr in the next " + sD + " kms.");
}
/* Caution and velocity = 0 km/hr */
if (signal[j - 1] == 1 && (velocity[i] - 0) < 0.11)
{
count[i] = 0;
special[i] = 1;
flag[i] = 5;
time[i] = time[i] + 1;
count[i]++;
velocity[i] = velocity[i] + ((double)(vR * vR) / (7200 * sD));
s[i] = (velocity[i] / 3600) + ((double)(vR * vR) / (sD * 7200 * 7200));
distance[i] = distance[i] + s[i];
UpdateInfoConsole(form1, "\r\nTrain " + (i + 1) + "'s speed will now increase from 0 km/hr to " + vR + " km/hr in the next " + sD + " kms.");
}
/* Proceed and velocity = vM km/hr */
if (signal[j - 1] == 3 && (vM - velocity[i]) < 0.021)
{
count[i] = 0;
flag[i] = 6;
special[i] = 0;
time[i] = time[i] + 1;
count[i]++;
s[i] = (velocity[i] / 3600);
distance[i] = distance[i] + s[i];
UpdateInfoConsole(form1, "\r\nTrain " + (i + 1) + "'s speed will now remain constant at " + vM + " km/hr for the next " + sD + " kms.");
}
/* Proceed and velocity = vR km/hr */
if (signal[j - 1] == 3 && velocity[i] < (vR + 1) && (vR - velocity[i]) < 0.11)
{
count[i] = 0;
flag[i] = 7;
special[i] = 0;
time[i] = time[i] + 1;
count[i]++;
velocity[i] = velocity[i] + ((double)(vM - vR) * (vR + vM) / (7200 * sD));
s[i] = (velocity[i] / 3600) + ((double)(vM - vR) * (vR + vM) / (sD * 7200 * 7200));
distance[i] = distance[i] + s[i];
UpdateInfoConsole(form1, "\r\nTrain " + (i + 1) + "'s speed will now increase from " + vR + " km/hr to " + vM + " km/hr in the next " + sD + " kms.");
}
/* Proceed and velocity = 0 km/hr */
if (signal[j - 1] == 3 && (velocity[i] - 0) < 0.11)
{
count[i] = 0;
special[i] = 1;
flag[i] = 5;
time[i] = time[i] + 1;
count[i]++;
velocity[i] = velocity[i] + ((double)(vR * vR) / (7200 * sD));
s[i] = (velocity[i] / 3600) + ((double)(vR * vR) / (sD * 7200 * 7200));
distance[i] = distance[i] + s[i];
UpdateInfoConsole(form1, "\r\nTrain " + (i + 1) + "'s speed will now increase from 0 km/hr to " + vM + " km/hr in the next " + sD + " kms.");
}
/* Stop and velocity = vM km/hr */
if (signal[j - 1] == 0 && (vM - velocity[i]) < 0.021)
{
count[i] = 0;
flag[i] = 8;
special[i] = 0;
d[i] = p;
fs[i] = 0;
time[i] = time[i] + 1;
count[i]++;
velocity[i] = velocity[i] - ((double)(vM * vM) / (7200 * p));
s[i] = (velocity[i] / 3600) - ((double)(vM * vM) / (p * 7200 * 7200));
distance[i] = distance[i] + s[i];
UpdateInfoConsole(form1, "\r\nTrain " + (i + 1) + " and Train " + (i) + " are on the same block section.");
UpdateInfoConsole(form1, "\r\nTrain " + (i + 1) + "'s speed will now decrease from " + (velocity[i]) + " km/hr to 0 km/hr in the next " + (p) + " kms and will wait for 1 minute.");
}
/* Stop and velocity = vR km/hr */
if (signal[j - 1] == 0 && velocity[i] < (vR + 1) && (vR - velocity[i]) < 1)
{
count[i] = 0;
flag[i] = 9;
special[i] = 0;
d[i] = p;
fs[i] = 0;
time[i] = time[i] + 1;
count[i]++;
velocity[i] = velocity[i] - ((double)(vR * vR) / (7200 * p));
s[i] = (velocity[i] / 3600) - ((double)(vR * vR) / (p * 7200 * 7200));
distance[i] = distance[i] + s[i];
UpdateInfoConsole(form1, "\r\nTrain " + (i + 1) + " and Train " + (i) + " are on the same block section.");
UpdateInfoConsole(form1, "\r\nTrain " + (i + 1) + "'s speed will now decrease from " + (velocity[i]) + " km/hr to 0 km/hr in the next " + (p) + " kms and will wait for 1 minute.");
}
/* Stop and velocity = 0 km/hr */
if (signal[j - 1] == 0 && (velocity[i] - 0) < 0.11)
{
count[i] = 0;
special[i] = 1;
flag[i] = 5;
time[i] = time[i] + 1;
count[i]++;
velocity[i] = velocity[i] + ((double)(vR * vR) / (7200 * sD));
s[i] = (velocity[i] / 3600) + ((double)(vR * vR) / (sD * 7200 * 7200));
distance[i] = distance[i] + s[i];
UpdateInfoConsole(form1, "\r\nTrain " + (i + 1) + "'s speed will now increase from 0 km/hr to " + vR + " km/hr in the next " + sD + " kms.");
}
if (special[i] == 1)
{
Increment(i, vM, vR, sD);
}
}
}
if (hasReached[i] == 0)
{
Increment(i, vM, vR, sD);
}
}
if ((counter % speedTimer) == 0)
{
PrintSignals(n, form1);
PrintParameters(m, form1);
}
}