/// <summary>
/// Ongoing car race
/// </summary>
/// <param name="auto">The car in the race</param>
public void CarRaceProcess(Automobile auto)
{
// Making sure all 3 cars start the race at the same time
raceCDE.Signal();
raceCDE.Wait();
// All cars start moving around the same time
auto.Move(auto);
// While the car tank has gas he can run the race
while (auto.TankVolume > 0)
{
// Driving towards the semaphore
DrivingWithoutStop(10, auto);
Console.WriteLine("{0} {1} reached the semaphore, currently the light is {2}", auto.Color, auto.Producer, semaphoreColor);
while (semaphoreColor == "Red")
{
Thread.Sleep(0);
}
// Thread safe counter
Interlocked.Increment(ref carCounter);
// Driving towards the gas station
DrivingWithoutStop(3, auto);
if (auto.TankVolume < 15)
{
ChargingAtGasStation(auto);
}
else
{
Console.WriteLine("{0} {1} passed the gas station with tank: {2}l.", auto.Color, auto.Producer, auto.TankVolume);
}
// Driving to the finish line
DrivingWithoutStop(7, auto);
break;
}
// Checks if the car is out of gas
if (auto.TankVolume <= 0)
{
auto.Stop(auto);
Console.WriteLine("\t\t\t\t\t\t\t\t{0} {1} is out of gas and left the race.", auto.Color, auto.Producer);
}
else if (auto.TankVolume > 0)
{
Console.WriteLine("{0} {1} crossed the finish line.", auto.Color, auto.Producer);
// Reset the tank volume
auto.TankVolume = 45;
auto.Stop(auto);
}
winner.WaitOne();
FinalResult(auto);
}
/// <summary>
/// Charging the car tanks one by one
/// </summary>
public void ChargingAtGasStation(Automobile auto)
{
gasStationQueue.Wait();
Console.WriteLine("{0} {1} is charging their tank, current tank: {2}l", auto.Color, auto.Producer, auto.TankVolume);
// Time it takes to charge it
Thread.Sleep(100);
auto.TankVolume = 45;
Console.WriteLine("{0} {1} finished charging their tank", auto.Color, auto.Producer);
gasStationQueue.Release();
}
/// <summary>
/// Car is driving towards an objective without stop
/// </summary>
/// <param name="time">Given time until an objective appears</param>
/// <param name="auto">The car that is driving</param>
public void DrivingWithoutStop(int time, Automobile auto)
{
for (int i = 0; i < time; i++)
{
Thread.Sleep(1000);
if (auto.TankVolume <= 0)
{
break;
}
}
}
/// <summary>
/// Prints out the final result depending on the circumstances
/// </summary>
/// <param name="auto">The car that crossed the finish line</param>
public void FinalResult(Automobile auto)
{
// Thread safe counter
Interlocked.Increment(ref carCounter);
// Increment only for cars that crossed the finish line
if (auto.TankVolume > 0)
{
Interlocked.Increment(ref winCarCounter);
}
// Print ranking board
if (winCarCounter == 1 && auto.TankVolume > 0)
{
Console.WriteLine("\t\t\t\t\t\t\t\tRanking board:\n\t\t\t\t\t\t\t\t{0}. {1} {2}", winCarCounter, auto.Color, auto.Producer);
}
else if (auto.TankVolume > 0)
{
Console.WriteLine("\t\t\t\t\t\t\t\t{0}. {1} {2}", winCarCounter, auto.Color, auto.Producer);
}
// Print top red car board
if (auto.Color == "Red" && noOne == false && auto.TankVolume > 0)
{
noOne = true;
FastestRedCar(auto);
}
else if (carCounter == 3 && Program.containsRedCar == false)
{
Console.WriteLine("\n-----------------\nThere were no red cars in the race.\n-----------------");
raceOver = true;
}
else if (carCounter == 3 && Program.containsRedCar == true && noOne == false)
{
Console.WriteLine("\n-----------------\nNo red cars crossed the finish line.\n-----------------");
raceOver = true;
}
else if (carCounter == 3)
{
raceOver = true;
}
winner.Set();
}
/// <summary>
/// Creates a new car
/// </summary>
public override void Create()
{
Automobile auto = new Automobile
{
MotorVolume = Math.Round(rng.NextDouble() * 1000, 2),
Weight = rng.Next(1000, 2001),
Category = allCategory[rng.Next(0, allCategory.Length)],
MotorType = allMotorType[rng.Next(0, allMotorType.Length)],
Color = allColors[rng.Next(0, allColors.Length)],
MotorNumber = rng.Next(30, 101),
RegistrationNumber = rng.Next(1000, 10000).ToString(),
DoorNumber = rng.Next(2, 6),
TankVolume = 45,
TransportType = allTransportType[rng.Next(0, allTransportType.Length)],
Producer = allProducer[rng.Next(0, allProducer.Length)],
TrafficNumber = rng.Next(1000, 10000)
};
Raceing.raceCDE.AddCount();
Program.allAutomobiles.Add(auto);
}
/// <summary>
/// Method that stops the vehicles motor
/// </summary>
/// <param name="obj">vehicle we are running</param>
public override void Stop(object obj)
{
Automobile auto = (Automobile)obj;
Console.WriteLine(auto.Color + " " + auto.Producer + " turned off the motor and stopped moving.");
}
/// <summary>
/// Fastest red card board
/// </summary>
/// <param name="auto">Shows the red cars as the pass the finish line</param>
public void FastestRedCar(Automobile auto)
{
winner.Set();
Console.WriteLine("\n-----------------\nFastest red car is: {0} {1}.\n-----------------", auto.Color, auto.Producer);
}
/// <summary>
/// The main Method
/// </summary>
/// <param name="args">Main arguments</param>
static void Main(string[] args)
{
Automobile auto = new Automobile();
Truck truck = new Truck();
Tractor tractor = new Tractor();
Raceing race = new Raceing();
// Creating vehicle objects
for (int i = 0; i < 2; i++)
{
auto.Create();
truck.Create();
tractor.Create();
}
// Countdown
for (int i = 0; i < 6; i++)
{
Console.WriteLine(i);
if (i == 5)
{
break;
}
Thread.Sleep(1000);
}
// Starting threads
for (int i = 0; i < allAutomobiles.Count; i++)
{
// Because i is not thread safe due to being located on the same memory location for every thread and it is incremented all the time.
int temp = i;
Thread thread1 = new Thread(() => race.CarRaceProcess(allAutomobiles[temp]));
thread1.Start();
}
containsRedCar = Program.allAutomobiles.Any(car => car.Color == "Red");
// Creating golf car
Random rng = new Random();
Automobile golf = new Automobile
{
Color = "Orange",
TankVolume = 45,
Producer = "Golf"
};
allAutomobiles.Add(golf);
// Starting golf
Console.WriteLine(golf.Color + " " + golf.Producer + " joined the race\n\n--------------------------");
Thread thread2 = new Thread(() => race.CarRaceProcess(golf));
thread2.Start();
// Thread that changes the semaphore color every 2 seconds
Thread thread3 = new Thread(race.ChangeSemaphoreColor)
{
IsBackground = true
};
thread3.Start();
// Thread that reduces the Tank Volume every 1 second
Thread thread4 = new Thread(race.TankDecrease)
{
IsBackground = true
};
thread4.Start();
Console.ReadKey();
}
