private void TryServe(IList<Depot> Depots, VehicleInfo vehicleInfo, List<Request> requests)
{
try
{
var builder = new RouteBuilder(vehicleInfo);
var routes = builder.Build(Depots, vehicleInfo, requests).ToList();
RoutesResultTextBox.Text += string.Format("Found {0} routes", routes.Count()) + Environment.NewLine + Environment.NewLine;
foreach (var route in routes)
{
RoutesResultTextBox.Text += string.Join(" -> " + Environment.NewLine, route.GetTimeTable().Select(checkPoint => "[Ar = " + checkPoint.ArrivalTime + " Loc = " + checkPoint.Location.X + " " + checkPoint.Location.Y + "]")) + Environment.NewLine;
RoutesResultTextBox.Text += "vehicle distance: " + route.GetTotalDistance() + Environment.NewLine;
RoutesResultTextBox.Text += Environment.NewLine;
}
RoutesResultTextBox.Text += "Total distance: " + routes.Sum(r => r.GetTotalDistance()) + Environment.NewLine;
RoutesResultTextBox.Text += Environment.NewLine;
}
catch (ImpossibleRouteException exception)
{
RoutesResultTextBox.Text = "Can not serve requests:" + Environment.NewLine;
foreach (var request in exception.ImpossibleRequests)
{
RoutesResultTextBox.Text += "Loc = " + request.Location.X + " " + request.Location.Y + Environment.NewLine;
}
RoutesResultTextBox.Text += Environment.NewLine;
RoutesResultTextBox.Text += "Routes without these requests:" + Environment.NewLine;
TryServe(Depots, vehicleInfo, requests.Except(exception.ImpossibleRequests).ToList());
}
catch (Exception exception)
{
RoutesResultTextBox.Text = exception.Message;
}
}
private void Button_Click(object sender, RoutedEventArgs e)
{
var DepotsRegex = new Regex("location_x: (?<location_x>.+); location_y: (?<location_y>.+); start: (?<start>.+); end: (?<end>.+); vehicles: (?<vehicles>.+);");
var DepotsRegexResults = DepotsRegex.Matches(DeportsTextBox.Text);
var Depots = new List<Depot>();
for (var i = 0; i < DepotsRegexResults.Count; i++)
{
Depots.Add(new Depot
{
Name = "D_" + (i + 1),
Location = new Point(
double.Parse(DepotsRegexResults[i].Groups["location_x"].Value),
double.Parse(DepotsRegexResults[i].Groups["location_y"].Value)),
Start = double.Parse(DepotsRegexResults[i].Groups["start"].Value),
End = double.Parse(DepotsRegexResults[i].Groups["end"].Value),
Venicles = int.Parse(DepotsRegexResults[i].Groups["vehicles"].Value)
});
}
var vehicleInfoRegex = new Regex("Speed: (?<Speed>.+); Capacity: (?<Capacity>.+);");
var vehicleInfoRegexResult = vehicleInfoRegex.Match(VenicleInfoTextBox.Text);
var vehicleInfo = new VehicleInfo
{
Speed = double.Parse(vehicleInfoRegexResult.Groups["Speed"].Value),
Capacity = double.Parse(vehicleInfoRegexResult.Groups["Capacity"].Value)
};
var requestsRegex = new Regex("location_x: (?<location_x>.+); location_y: (?<location_y>.+); start: (?<start>.+); end: (?<end>.+); unload: (?<unload>.+); Size: (?<Size>.+);");
var requestsRegexResults = requestsRegex.Matches(RequestsTextBox.Text);
var requests = new List<Request>();
for (var i = 0; i < requestsRegexResults.Count; i++)
{
requests.Add(new Request
{
Id = i + 1,
Location = new Point(
double.Parse(requestsRegexResults[i].Groups["location_x"].Value),
double.Parse(requestsRegexResults[i].Groups["location_y"].Value)),
Start = double.Parse(requestsRegexResults[i].Groups["start"].Value),
End = double.Parse(requestsRegexResults[i].Groups["end"].Value),
Unload = int.Parse(requestsRegexResults[i].Groups["unload"].Value),
Size = int.Parse(requestsRegexResults[i].Groups["Size"].Value)
});
}
RoutesResultTextBox.Text = string.Empty;
TryServe(Depots, vehicleInfo, requests);
}
public IList<Route> Build(IList<Depot> deports, VehicleInfo venicleInfo, List<Request> requests)
{
BruteForceCounter.MaximumOption = 0;
BruteForceCounter.CurrentOption = 0;
BruteForceCounter.MinPathDistance = 0;
BruteForceCounter.MinPath = null;
while (true)
{
var routes = new List<Route>();
var unservicedRequests = requests;
var venicles = CreateVenicles(deports);
foreach (var venicle in venicles)
{
var route = BuildRoute(venicle, unservicedRequests);
if (route == null)
continue;
unservicedRequests = unservicedRequests.Except(route.Requests).ToList();
routes.Add(route);
}
BruteForceCounter.PossibleRequests = BruteForceCounter.PossibleRequests.Concat(routes.SelectMany(r => r.Requests)).ToList();
if (unservicedRequests.Count() == requests.Count())
if (BruteForceCounter.MinPath == null)
throw new ImpossibleRouteException("Can service all requests", requests.Except(BruteForceCounter.PossibleRequests).ToList());
else
return BruteForceCounter.MinPath;
BruteForceCounter.MaximumOption++;
BruteForceCounter.CurrentOption = 0;
var totalDistance = routes.Sum(r => r.GetTotalDistance());
if (unservicedRequests.Any() || !(BruteForceCounter.MinPathDistance > totalDistance || BruteForceCounter.MinPath == null))
continue;
BruteForceCounter.MinPathDistance = totalDistance;
BruteForceCounter.MinPath = routes;
}
}
public Route(VehicleInfo venicleInfo)
{
_venicleInfo = venicleInfo;
Requests = new List<Request>();
}
public RouteBuilder(VehicleInfo venicleInfo)
{
_venicleInfo = venicleInfo;
}