copsrc/cop.cpp

   1 #include "cop.h"
   2 #include <iostream>
   3 #include <sstream>
   4 #include <iterator>
   5 #include <queue>
   6 #include <cmath>
   7
   8 using namespace std;
   9 using namespace __gnu_cxx;
  10
  11 void Cop::preGamePreparations(){
  12         //cerr << "Preparing.." << endl;
  13         _copTargets[_name].first = _robberLocation;
  14         _copTargets[_name].second = cop_foot;
  15
  16         priority_queue<pair<int,string> > banks;
  17         //cerr << "Number of banks: " << endl;
  18         for(hash_map<string,int>::const_iterator bank = _banks.begin();
  19                                 bank != _banks.end(); ++bank){
  20                 //cerr << "Finding bank: " << bank->first << endl;
  21                 list<string> bankRoute  = shortestPath(_robberLocation, robber, SimpleSPGoal(bank->first));
  22                 //cerr << "Pushing bank" << endl;
  23                 banks.push(pair<int,string>(-bankRoute.size(), bank->first));
  24         }
  25         //cerr << "Done finding banks.." << endl;
  26         priority_queue<pair<int,string> > banks2;
  27         for (int i = 0; i < 4 && banks.size() > 0;++i){
  28                 const pair<int,string>& bank = banks.top();
  29                 //cerr << "Going to bank: " << bank.second << ", distance" << -bank.first << endl;
  30                 list<string> bankRouteFoot = shortestPath(_copHq, cop_foot, SimpleSPGoal(bank.second));
  31                 list<string> bankRouteCar = shortestPath(_copHq, cop_car, SimpleSPGoal(bank.second));
  32                 banks2.push(pair<int,string>(bankRouteCar.size() - bankRouteFoot.size(), bank.second));
  33                 banks.pop();
  34         }
  35         for (hash_map<string,Player>::const_iterator player = _players.begin();
  36                         player != _players.end(); ++player){
  37                 //cerr << "Inital plan for player: " << player->first << endl;
  38                 if (player->second.type == robber){
  39                         _robber = player->first;
  40                         continue;
  41                 }else if (banks2.size() <= 0 || player->first == _name)
  42                         continue;
  43
  44                 const pair<int,string>& bank = banks2.top();
  45                 _copTargets[player->first].first = bank.second;
  46                 //cerr << "Sending: " << player->first << " to: " << bank.second;
  47                 if (banks2.size() <= 2)
  48                         _copTargets[player->first].second = cop_car;
  49                 else
  50                         _copTargets[player->first].second = cop_foot;
  51                 //cerr << " on: " << _copTargets[player->first].second << endl;
  52                 _winningPlans[player->first] = 0;
  53                 banks2.pop();
  54         }
  55         _maybeRobber.push_back(hash_map<string,int>());
  56 }
  57
  58 void Cop::sendInformation(){
  59         _maybeRobber.push_back(hash_map<string,int>());
  60         hash_map<string,int>& maybeRobber = _maybeRobber.back();
  61         int possibilities = 0;
  62         if (_robberLocation.empty()){
  63
  64                 hash_map<string, Intersection>::const_iterator intersection = _intersections.find(_location);
  65
  66                 for (hash_map<string,StreetType>::const_iterator adj = intersection->second.connections.begin();
  67                                 adj != intersection->second.connections.end(); ++adj){
  68
  69                         if (_smell == 1){
  70                                 hash_map<string,int>::iterator location = maybeRobber.find(adj->first);
  71                                 if (location == maybeRobber.end()){
  72                                         hash_map<string, Intersection>::const_iterator intersection = _intersections.find(adj->first);
  73                                         int neigh = maybeAtNeighbor(intersection->second);
  74                                         if (neigh > -1){
  75                                                 maybeRobber[adj->first] = 100 + neigh;
  76                                                 ++possibilities;
  77                                         }else
  78                                                 maybeRobber[adj->first] = -100;
  79                                 }
  80                         }else{
  81                                 if (_smell == 0)
  82                                         maybeRobber[adj->first] = -100;
  83                                 hash_map<string, Intersection>::const_iterator intersection = _intersections.find(adj->first);
  84                                 for (hash_map<string,StreetType>::const_iterator adj = intersection->second.connections.begin();
  85                                                 adj != intersection->second.connections.end(); ++adj){
  86                                         hash_map<string,int>::iterator location = maybeRobber.find(adj->first);
  87                                         if (location == maybeRobber.end()){
  88                                                 if (_smell == 0)
  89                                                         maybeRobber[adj->first] = -100;
  90                                                 else {
  91                                                         hash_map<string, Intersection>::const_iterator intersection = _intersections.find(adj->first);
  92                                                         int neigh = maybeAtNeighbor(intersection->second);
  93                                                         if (neigh > -1){
  94                                                                 maybeRobber[adj->first] = 100 + neigh;
  95                                                                 ++possibilities;
  96                                                         }
  97                                                         else
  98                                                                 maybeRobber[adj->first] = -100;
  99                                                 }
 100                                         }
 101                                 }
 102                         }
 103                 }
 104         } else {
 105                 maybeRobber[_robberLocation] = 100;
 106                 possibilities = 1;
 107                 hash_map<string, Intersection>::const_iterator intersection = _intersections.find(_location);
 108
 109                 for (hash_map<string,StreetType>::const_iterator adj = intersection->second.connections.begin();
 110                                 adj != intersection->second.connections.end(); ++adj){
 111                         maybeRobber[adj->first] = -100;
 112                         for (hash_map<string,StreetType>::const_iterator adj = intersection->second.connections.begin();
 113                                         adj != intersection->second.connections.end(); ++adj){
 114                                 hash_map<string,int>::iterator location = maybeRobber.find(adj->first);
 115                                 if (location != maybeRobber.end())
 116                                         maybeRobber[adj->first] = -100;
 117                         }
 118
 119                 }
 120
 121
 122         }
 123         cout << "inf\\" << endl;
 124         for (hash_map<string,int>::iterator location = maybeRobber.begin();
 125                         location != maybeRobber.end(); ++location){
 126                 if (location->second > 0)
 127                         location->second /= possibilities;
 128                 cout << "inf: " << _robber << " " << location->first << " " << _playerTypeNames[robber] << " "
 129                         << _world << " " << location->second << endl;
 130         }
 131         cout << "inf/" << endl;
 132 }
 133
 134 void Cop::getInformation(){
 135         string input;
 136         if (_robberLocation.empty()){
 137                 hash_map<string,int>& maybeRobber = _maybeRobber.back();
 138                 while (true){
 139                         getline(cin, input);
 140                         if (input == "from/")
 141                                 break;
 142
 143                         getline(cin, input);
 144                         getline(cin, input);
 145
 146                         while (true){
 147                                 getline(cin, input);
 148                                 if (input == "inf/")
 149                                         break;
 150                                 istringstream inf(input);
 151                                 inf >> input;
 152                                 string bot;
 153                                 inf >> bot;
 154                                 string loc;
 155                                 inf >> loc;
 156                                 string type;
 157                                 inf >> type;
 158                                 if (type != _playerTypeNames[robber])
 159                                         continue;
 160                                 int world;
 161                                 inf >> world;
 162                                 if (world != _world)
 163                                         continue;
 164                                 int certainty;
 165                                 inf >> certainty;
 166
 167                                 hash_map<string,int>::iterator location = maybeRobber.find(loc);
 168                                 if (location == maybeRobber.end()){
 169                                         hash_map<string, Intersection>::const_iterator intersection = _intersections.find(loc);
 170                                         if (intersection != _intersections.end())
 171                                                 continue; //The intersection doesn't exist, so ignore it.
 172                                         int neigh = maybeAtNeighbor(intersection->second);
 173                                         if (neigh >= 0)
 174                                                 maybeRobber[loc] = certainty + neigh;
 175                                         else
 176                                                 maybeRobber[loc] = -200;
 177                                 }else if (location->second > 0)
 178                                         location->second += certainty;
 179                         }
 180                 }
 181         }else{
 182                 do{
 183                         getline(cin,input);
 184                 }while(input != "from/");
 185         }
 186         _maybeRobber.pop_front();
 187
 188 }
 189
 190 int Cop::maybeAtNeighbor(const Intersection& intersection){
 191         int possibility = -1;
 192         for (hash_map<string,StreetType>::const_iterator adj = intersection.connections.begin();
 193                         adj != intersection.connections.end(); ++adj){
 194                 hash_map<string,int>::iterator oldLoc = _maybeRobber.front().find(adj->first);
 195                 if (oldLoc == _maybeRobber.front().end() || oldLoc->second > 0){
 196                         if (possibility < 0){
 197                                 possibility = 0;
 198                         }
 199                         if (oldLoc != _maybeRobber.front().end())
 200                                 possibility += oldLoc->second;
 201                 }
 202         }
 203         return possibility;
 204 }
 205
 206 void Cop::sendPlan(){
 207         //cerr << "Planning" << endl;
 208         string secondLocation = _robberLocation;
 209         if (_robberLocation.empty()){
 210                 priority_queue<pair<int,string> > positions;
 211                 for (hash_map<string,int>::iterator location = _maybeRobber.front().begin();
 212                                 location != _maybeRobber.front().end(); ++location){
 213                         if (location->second > 0)
 214                                 positions.push(pair<int,string>(location->second,location->first));
 215
 216                 }
 217                 if (positions.size() > 0){
 218                         _robberLocation = positions.top().second;
 219                         cerr << "Sending myself to: " << _robberLocation << ", probability of robber: " << positions.top().first << endl;
 220                 }
 221                 if (positions.size() > 1){
 222                         positions.pop();
 223                         secondLocation = positions.top().second;
 224                         cerr << "Sending another cop to: " << secondLocation << ", probability of robber: " << positions.top().first << endl;
 225                 }
 226         }
 227         if (!_robberLocation.empty()){
 228                 //cerr << "Robber found at " << _robberLocation << endl;
 229                 _copTargets[_name].first = _robberLocation;
 230
 231                 if (!secondLocation.empty()){
 232                         list<string> closestFootCop = shortestPath(_robberLocation, cop_foot, FindPlayer(_players, cop_foot), true);
 233                         list<string> closestCarCop = shortestPath(_robberLocation, cop_car, FindPlayer(_players, cop_car, closestFootCop.size() - 1), true);
 234                         PlayerType copType = cop_foot;
 235                         string copLocation;
 236                         if (closestCarCop.size() > 0){
 237                                 copType = cop_car;
 238                                 copLocation = closestCarCop.back();
 239                         }else
 240                                 copLocation = closestFootCop.back();
 241
 242
 243                         for (hash_map<string,Player>::const_iterator player = _players.begin();
 244                                         player != _players.end(); ++player){
 245                                 if (player->first == _name || player->second.type == robber)
 246                                         continue;
 247                                 if (player->second.type == copType && player->second.location == copLocation)
 248                                         _copTargets[player->first].first = _robberLocation;
 249                         }
 250                 }
 251         }
 252         //cerr << "Sending plan." << endl;
 253         cout << "plan\\" << endl;
 254         for(hash_map<string, pair<string, PlayerType> >::iterator player = _copTargets.begin();
 255                         player != _copTargets.end(); ++player){
 256                         Player& pl = _players[player->first];
 257                 if (pl.type != player->second.second
 258                                 && pl.location != _copHq)
 259                         player->second.second = pl.type;
 260                 list<string> playerRoute = shortestPath(pl.location, player->second.second, SimpleSPGoal(player->second.first));
 261                 if (playerRoute.size() > 1){
 262                         list<string>::iterator i = playerRoute.begin();
 263                         ++i;
 264                         if (*i == _robberLocation || !(playerRoute.size() == 2 && _intersections[*i].type == bank)){
 265                                 if (player->first == _name)
 266                                         _location = *i;
 267                                 //cerr << "Sending " << player->first << " to " << *i << " by " << player->second.second << endl;
 268                                 cout << "plan: " << player->first << " " << *i << " " << _playerTypeNames[player->second.second] << " " << _world+1 << endl;
 269                         }
 270                 }
 271         }
 272
 273         cout << "plan/" << endl;
 274 }
 275
 276 void Cop::move(std::string location){
 277         cout << "cmov\\" << endl;
 278         cout << "straight-arrow:" << endl;
 279         cout << "mov\\" << endl;
 280         Bot::move(location);
 281         cout << "mov/" << endl;
 282         cout << "acc\\" << endl;
 283         cout << "acc/" << endl;
 284         cout << "cmov/" << endl;
 285 }
 286
 287 int main(){
 288         Cop cop("harvCop");
 289         cop.play();
 290
 291         return 0;
 292 }