Map.cpp 3.89 KB
Newer Older
Martin Kröning's avatar
Martin Kröning committed
1
2
#include "Map.hpp"
#include "Junction.hpp"
3
#include "MapAppAPIWrapper.hpp"
Martin Kröning's avatar
Martin Kröning committed
4
5
#include <algorithm>
#include <chrono>
6
#include <cstddef>
Martin Kröning's avatar
Martin Kröning committed
7
8
9
10
11
12
13
14
15
16
#include <limits>
#include <memory>
#include <ratio>
#include <sstream>
#include <stdexcept>
#include <string>
#include <thread>
#include <utility>
#include <vector>

17
Map::Map(std::istream &is, std::string_view windowTitle)
18
    : time(0), mapApp(windowTitle) {
Martin Kröning's avatar
Martin Kröning committed
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
  std::string type;
  while (is >> type) {
    if (type == "KREUZUNG") {
      extractJunctionAndDraw(is, mapApp);
    } else if (type == "STRASSE") {
      extractRoadAndDraw(is, mapApp);
    } else if (type == "PKW") {
      extractCar(is);
    } else if (type == "FAHRRAD") {
      extractBicycle(is);
    }
  }
}

void Map::simulate(const std::chrono::seconds duration,
                   const double speedFactor, const double frequency) {
  const auto count =
      static_cast<size_t>(duration.count() * frequency / speedFactor);
  for (size_t i = 0; i < count; i++) {
    time += static_cast<double>(duration.count()) / 60 / 60 / count;
    for (auto &&junction : junctions) {
      junction->processVehicles(time);
      junction->drawVehicles(mapApp);
    }
    mapApp.setDurationLabel(std::chrono::minutes(static_cast<int>(time * 60)));
    std::this_thread::sleep_for(std::chrono::nanoseconds(
        static_cast<size_t>(std::nano::den / frequency)));
  }
}

49
std::weak_ptr<Junction> Map::getJunction(std::string_view name) {
Martin Kröning's avatar
Martin Kröning committed
50
51
52
53
54
  return *std::find_if(
      junctions.begin(), junctions.end(),
      [&name](const auto &junction) { return junction->getName() == name; });
}

55
void Map::extractJunctionAndDraw(std::istream &is, MapAppAPIWrapper &mapApp) {
Martin Kröning's avatar
Martin Kröning committed
56
57
58
59
60
61
62
63
64
65
66
  std::string name;
  double fuelAmount;
  is >> name >> fuelAmount;
  auto junction = std::make_shared<Junction>(name, fuelAmount);
  junctions.push_back(std::move(junction));
  int x;
  int y;
  is >> x >> y;
  mapApp.addJunction(x, y);
}

67
void Map::extractRoadAndDraw(std::istream &is, MapAppAPIWrapper &mapApp) {
Martin Kröning's avatar
Martin Kröning committed
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
  std::string nameJunctionA;
  std::string nameJunctionB;
  std::string nameLaneAToB;
  std::string nameLaneBToA;
  double lengthRoad;
  int speedLimitLevel;
  bool noPassing;
  is >> nameJunctionA >> nameJunctionB >> nameLaneAToB >> nameLaneBToA >>
      lengthRoad >> speedLimitLevel >> noPassing;

  double speedLimit;
  switch (speedLimitLevel) {
  case 1:
    speedLimit = 50;
    break;
  case 2:
    speedLimit = 100;
    break;
  case 3:
    speedLimit = std::numeric_limits<double>::infinity();
    break;
  default:
    throw std::invalid_argument('\'' + std::to_string(speedLimitLevel) +
                                "' does not encode a speed limit.");
  }

  auto junctionA = getJunction(nameJunctionA);
  auto junctionB = getJunction(nameJunctionB);
  Junction::connect(junctionA, junctionB, nameLaneAToB, nameLaneBToA,
                    lengthRoad, speedLimit, noPassing);
  int coordinatePairCount;
  is >> coordinatePairCount;
  std::vector<double> coordinates(coordinatePairCount * 2);
  std::generate(coordinates.begin(), coordinates.end(), [&is]() {
    double x;
    is >> x;
    return x;
  });
  mapApp.addRoad(nameLaneAToB, nameLaneBToA, coordinates);
}

void Map::extractBicycle(std::istream &is) {
  std::string name;
  double maximumVelocity;
  is >> name >> maximumVelocity;
  std::string nameStartJunction;
  double timeOfStart;
  is >> nameStartJunction >> timeOfStart;
  auto &junction = *getJunction(nameStartJunction).lock();
  junction.createBicycle(name, maximumVelocity, timeOfStart, time);
}

void Map::extractCar(std::istream &is) {
  std::string name;
  double maximumVelocity;
  double fuelConsumption;
  double fuelCapacity;
  is >> name >> maximumVelocity >> fuelConsumption >> fuelCapacity;
  std::string nameStartJunction;
  double timeOfStart;
  is >> nameStartJunction >> timeOfStart;
  auto &junction = *getJunction(nameStartJunction).lock();
  junction.createCar(name, maximumVelocity, fuelConsumption, fuelCapacity,
                     timeOfStart, time);
}