robbersrc/robber.cpp

   1 #include "robber.h"
   2 #include <iostream>
   3 #include <iterator>
   4 #include <queue>
   5 #include <cmath>
   6
   7 using namespace std;
   8 using namespace __gnu_cxx;
   9
  10 string Robber::turn(){
  11
  12         //Ignore bribing for now
  13         cout << "nobribe:" << endl;
  14         string input;
  15         getline(cin,input);
  16
  17         hash_map<string,double> streets;
  18         Intersection& inter = _intersections[_location];
  19         for (hash_map<string,StreetType>::const_iterator street = inter.connections.begin();
  20                street != inter.connections.end(); ++street){
  21                 if (street->second == car){
  22                         //cerr << "Discarding: " << street->first << " since car is needed" << endl;
  23                         continue;
  24                 }
  25                 //cerr << "Looking at street: " << street->first << endl;
  26                 Intersection& conInter = _intersections[street->first];
  27                 double goodness = conInter.connections.size();
  28
  29                 list<string> closestFootCop = shortestPath(street->first, cop_foot, FindPlayer(_players, cop_foot, 6), true);
  30                 unsigned int closestCop = closestFootCop.size();
  31                 bool copInCar = false;
  32                 //cerr << "Cop on fot " << closestCop << " intersections away." << endl;
  33
  34                 if (closestCop > 0 && closestCop < 3)
  35                         continue;
  36
  37                 list<string> closestCarCop = shortestPath(street->first, cop_car, FindPlayer(_players, cop_car, closestCop - 1 > 0 ? closestCop : 5), true);
  38                 //cerr << "Cop in car " << closestCarCop.size() << " intersections away." << endl;
  39
  40                 if (closestCarCop.size() > 0){
  41                         closestCop = closestCarCop.size();
  42                         copInCar = true;
  43                 }
  44
  45                 //cerr << "Cop " << closestCop << " intersections away." << endl;
  46                 if (closestCop > 0 && closestCop < 3)
  47                         continue;
  48
  49                 priority_queue<double> banks;
  50                 for(hash_map<string,int>::const_iterator bank = _banks.begin();
  51                                 bank != _banks.end(); ++bank){
  52                         //cerr << "Handling bank at: " << bank->first << endl;
  53                         if (bank->second > 0){
  54                                 list<string> cop = shortestPath(bank->first, cop_car, FindPlayer(_players, cop_car, 3), true);
  55                                 if (cop.size() > 0)
  56                                         continue;
  57                                 else{
  58                                         cop = shortestPath(bank->first, cop_foot, FindPlayer(_players, cop_foot, 3), true);
  59                                         if (cop.size() > 0)
  60                                                 continue;
  61                                 }
  62                                 list<string> l = shortestPath(street->first, _type, SimpleSPGoal(bank->first));
  63                                 if (l.size() < 1)
  64                                         continue;
  65                                 //list<string>::iterator i = l.begin();
  66                                 //++i;
  67                                 banks.push(bank->second/(pow(l.size(),4.0)));
  68                         }
  69                 }
  70                 //sort(banks.begin(),banks.end(),greater<double>());
  71
  72                 for (unsigned int i = 0; i < 2 && banks.size() > 0;++i){
  73                         goodness += banks.top();
  74                         banks.pop();
  75                 }
  76
  77                 //cerr << "Goodness before cop: " << goodness << endl;
  78                 if (closestCop > 2){
  79                         //cerr << "Cop " << closestCop << " intersections away." << endl;
  80                         goodness *= 1 - 1/(copInCar ? closestCop : closestCop - 1);
  81                 }
  82                 //cerr << "Goodness after cop: " << goodness << endl;
  83
  84                 if (conInter.type == bank){
  85                         //cerr << "FOUND A BANK" << endl;
  86                         if (closestCop > 0 && closestCop < 4)
  87                                 continue;
  88                         else if (_banks[street->first] > 0){
  89                                 //cerr << "No cop close to bank" << endl;
  90                                 return street->first;
  91                         }
  92                 }
  93
  94                 //cerr << "Street: " << street->first << " goodness: " << goodness << endl;
  95                 streets[street->first] = goodness;
  96         }
  97         streets[_oldLocation] /= 10;
  98
  99
 100
 101         /*cerr << "Using route: ";
 102         copy(v.begin(), v.end(), ostream_iterator<string>(cerr, " : "));
 103         cerr << endl;
 104         */
 105
 106         //stand still if we can't find a better choice..
 107         string destination = _location;
 108         double goodness = 0;
 109         for (hash_map<string,double>::const_iterator dest = streets.begin();
 110                         dest != streets.end(); ++dest){
 111                 //cerr << "Goodness: " << dest->second << endl;
 112                 if (dest->second > goodness){
 113                 //cerr << "New Goodness: " << dest->second << endl;
 114                         goodness = dest->second;
 115                         destination = dest->first;
 116                 }
 117         }
 118         _oldLocation = _location;
 119         //cerr << "Moving to: " << destination << endl;
 120
 121         return destination;
 122
 123 }
 124 void Robber::move(std::string location){
 125         cout << "rmov\\" << endl;
 126         Bot::move(location);
 127         cout << "nobribe:" << endl;
 128         cout << "rmov/" << endl;
 129 }
 130
 131 int main(){
 132         Robber robber("harv-robber");
 133         robber.play();
 134
 135         return 0;
 136 }