robber/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         hash_map<string,double> streets;
  12         Intersection& inter = _intersections[_location];
  13         for (hash_map<string,StreetType>::const_iterator street = inter.connections.begin();
  14                street != inter.connections.end(); ++street){
  15                 if (street->second == car){
  16                         cerr << "Discarding: " << street->first << " since car is needed" << endl;
  17                         continue;
  18                 }
  19                 double goodness = 0;
  20                 Intersection& conInter = _intersections[street->first];
  21
  22                 list<string> closestFootCop = shortestPath(street->first, cop_foot, FindPlayer(_players, cop_foot, 6), true);
  23                 list<string> closestCarCop = shortestPath(street->first, cop_car, FindPlayer(_players, cop_car, 5), true);
  24
  25                 unsigned int closestCop = 0;
  26                 bool copInCar = false;
  27
  28                 if (closestCarCop.size() < closestFootCop.size() && closestCarCop.size() > 0){
  29                         closestCop = closestCarCop.size();
  30                         copInCar = true;
  31                 }else
  32                         closestCop = closestFootCop.size();
  33
  34                 if (closestCop > 0 && closestCop < 3){
  35                         cerr << "Cop " << closestCop << " intersections away." << endl;
  36                         continue;
  37                 }
  38
  39                 priority_queue<double> banks;
  40                 for(hash_map<string,int>::const_iterator bank = _banks.begin();
  41                                 bank != _banks.end(); ++bank){
  42                         //cerr << "Handling bank at: " << bank->first << endl;
  43                         if (bank->second > 0){
  44                                 list<string> l = shortestPath(street->first, _type, SimpleSPGoal(bank->first));
  45                                 if (l.size() < 1)
  46                                         continue;
  47                                 //list<string>::iterator i = l.begin();
  48                                 //++i;
  49                                 banks.push(bank->second/(pow(l.size(),4.0)));
  50                         }
  51                 }
  52                 //sort(banks.begin(),banks.end(),greater<double>());
  53
  54                 for (unsigned int i = 0; i < 2 && banks.size() > 0;++i){
  55                         goodness += banks.top();
  56                         banks.pop();
  57                 }
  58
  59                 cerr << "Goodness before cop: " << goodness << endl;
  60                 if (closestCop > 2){
  61                         cerr << "Cop " << closestCop << " intersections away." << endl;
  62                         goodness *= 1 - 1/(copInCar ? closestCop : closestCop - 1);
  63                 }
  64                 cerr << "Goodness after cop: " << goodness << endl;
  65
  66                 if (conInter.type == bank){
  67                         cerr << "FOUND A BANK" << endl;
  68                         if (closestCop > 0 && closestCop < 4)
  69                                 continue;
  70                         else if (_banks[street->first] > 0){
  71                                 cerr << "No cop close to bank" << endl;
  72                                 return street->first;
  73                         }
  74                 }
  75
  76                 cerr << "Street: " << street->first << " goodness: " << goodness << endl;
  77                 streets[street->first] = goodness;
  78         }
  79         streets[_oldLocation] /= 10;
  80
  81
  82
  83         /*cerr << "Using route: ";
  84         copy(v.begin(), v.end(), ostream_iterator<string>(cerr, " : "));
  85         cerr << endl;
  86         */
  87
  88         string destination = _location;
  89         double goodness = 0;
  90         for (hash_map<string,double>::const_iterator dest = streets.begin();
  91                         dest != streets.end(); ++dest){
  92                 cerr << "Goodness: " << dest->second << endl;
  93                 if (dest->second > goodness){
  94                 cerr << "New Goodness: " << dest->second << endl;
  95                         goodness = dest->second;
  96                         destination = dest->first;
  97                 }
  98         }
  99         _oldLocation = _location;
 100
 101         return destination;
 102
 103 }
 104
 105 int main(){
 106         Robber robber("robber");
 107         robber.play();
 108
 109         return 0;
 110 }