]> ruin.nu Git - icfp05.git/blobdiff - bot/bot.cpp
some restructuring
[icfp05.git] / bot / bot.cpp
index c7af4a6f902f22e4736e5e8c8ee8d2465eb3ffe5..28e8004a2167997f2b5a8bbe629a486ac03f6711 100644 (file)
 #include <iostream>
 #include <sstream>
 #include <iterator>
+#include <queue>
+#include <vector>
+#include <utility>
 #include "bot.h"
 
 using namespace std;
 using namespace __gnu_cxx;
 
-Bot::Bot(string name, string type){
+
+Bot::Bot(const string& name, PlayerType type){
        _name = name;
        _type = type;
+
+       _playerTypeNames[robber] = "robber";
+       _playerTypeNames[cop_foot] = "cop-foot";
+       _playerTypeNames[cop_car] = "cop-car";
+
+       _playerTypes["robber"] = robber;
+       _playerTypes["cop-foot"] = cop_foot;
+       _playerTypes["cop-car"] = cop_car;
+
 }
 
 void Bot::play(){
-       cout << "reg: " << _name << " " << _type << endl;
+       cout << "reg: " << _name << " " << _playerTypeNames[_type] << endl;
 
        string input;
        getline(cin, input);
        if (input != "wsk\\")
                return;
        getline(cin, input);
-       _name = tokenizeString(input)[1];
+       _name = value<string>(input);
        cerr << "Got name: " << _name << endl;
+
+       getPlayers();
+
+       cerr << "Got players, building graph." << endl;
+       getline(cin, input);
        buildGraph();
-       updateWorld();
-       turn();
+
+       while (true){
+               getline(cin, input);
+               if (input == "game-over")
+                       return;
+               updateWorld();
+               _type = _players[_name].type;
+               _location = _players[_name].location;
+               cerr << "New turn" << endl;
+               move(turn());
+               cerr << "Done with turn." << endl;
+       }
 }
 
+void Bot::getPlayers(){
+       string input;
+       //robber and 5 cops
+       getline(cin, input);
+       _players[value<string>(input)].type = robber;
+       getline(cin, input);
+       _players[value<string>(input)].type = cop_foot;
+       getline(cin, input);
+       _players[value<string>(input)].type = cop_foot;
+       getline(cin, input);
+       _players[value<string>(input)].type = cop_foot;
+       getline(cin, input);
+       _players[value<string>(input)].type = cop_foot;
+}
+
+/**
+                               nod\ eol        
+                               ( nod: loc node-tag coordinate coordinate eol )*        
+                               nod/ eol        
+                               edg\ eol        
+                               ( edg: loc loc edge-type eol )* 
+                               edg/ eol        
+*/
 void Bot::buildGraph(){
+       string input;
+       getline(cin, input);
+       if (input != "nod\\")
+               return;
+
+       cerr << "Getting intersections" << endl;
+       while (true){
+               getline(cin, input);
+               if (input == "nod/")
+                       break;
+               istringstream node(input);
+               node >> input;
+               node >> input;
+               Intersection& inter = _intersections[input];
+               node >> input;
+               if (input == "bank")
+                       inter.type = bank;
+               else if (input == "hq")
+                       inter.type = hq;
+               else if (input == "robber-start")
+                       inter.type = robber_start;
+               else
+                       inter.type = ordinary;
+               node >> inter.x;
+               node >> inter.y;
+       }
+
+       cerr << "Number of intersections: " << _intersections.size() << endl;
+
+       getline(cin, input);
+       if (input != "edg\\")
+               return;
+
+       cerr << "Getting streets" << endl;
+       int streets = 0;
+       while (true){
+               getline(cin, input);
+               if (input == "edg/")
+                       break;
+               ++streets;
+               istringstream street(input);
+               string from;
+               street >> from;
+               street >> from;
+               string to;
+               street >> to;
+               string type;
+               street >> type;
+               //cerr << "Street between: " << from << " and " << to << " of type: " << type << endl;
+               if (type == "foot"){
+                       _intersections[from].connections[to] = both;
+                       Intersection& inter = _intersections[to];
+                       if (inter.connections.find(from) == inter.connections.end())
+                               inter.connections[from] = foot;
+               }else
+                       _intersections[from].connections[to] = car;
+       }
+       cerr << "Number of streets: " << streets << endl;
+       getline(cin, input);
+}
 
+void Bot::updateWorld(){
+       string input;
+       getline(cin,input);
+       _world = value<int>(input);
+       //cerr << "World: " << _world << endl;
+
+       getline(cin,input);
+       _robbed = value<int>(input);
+       //cerr << "Robbed: " << _robbed << endl;
+
+       getline(cin,input);
+       while (true){
+               getline(cin, input);
+               if (input == "bv/")
+                       break;
+               istringstream bank(input);
+               bank >> input;
+               bank >> input;
+               bank >> _banks[input];
+       }
+       //cerr << "Number of banks: " << _banks.size() << endl;
+       
+       getline(cin,input);
+       while (true){
+               getline(cin, input);
+               if (input == "ev/")
+                       break;
+               istringstream evidence(input);
+               int world;
+               evidence >> input;
+               evidence >> input;
+               evidence >> world;
+               _evidence[world] = input;
+       }
+       
+       getline(cin,input);
+       _smell = value<int>(input);
+
+       getline(cin,input);
+       while (true){
+               getline(cin, input);
+               if (input == "pl/")
+                       break;
+               istringstream player(input);
+               player >> input;
+               player >> input;
+               //cerr << "Player: " << input << endl;
+               Player& pl = _players[input];
+               player >> pl.location;
+               player >> input;
+               pl.type = _playerTypes[input];
+       }
+       //cerr << "Number of players: " << _players.size() << endl;
+       getline(cin, input);
+}
+
+void Bot::move(std::string location){
+       cerr << "Moving to: " << location << endl;
+       cout << "mov: " << location << " " << _playerTypeNames[_type] << endl;
 }
 
-std::vector<std::string> tokenizeString(std::string input){
+template<class T>
+T value(std::string input){
        istringstream istr(input);
-       vector<string> strings;
-       copy(istream_iterator<string>(istr), istream_iterator<string>(), back_inserter(strings));
-       return strings;
+       istr >> input;
+       T s;
+       istr >> s;
+       return s;
+}
+
+std::string Bot::turn(){
+       cerr << "Using stupid stand still Bot::turn" << endl;
+       return _location;
+}
+
+struct SPInfoComp{
+       bool operator()(const SPInfo* v1, const SPInfo* v2){
+               return v1->cost > v2->cost;
+       }
+};
+
+std::list<std::string> Bot::shortestPath(const std::string& from, PlayerType type, const SPGoal& goal, bool reverse){
+
+       //cerr << "New shortest path from: " << from << endl;
+       
+       priority_queue<SPInfo*, vector<SPInfo* >, SPInfoComp > pq;
+       hash_map<string,SPInfo> nodes;
+
+       SPInfo* node = &nodes[from];
+       node->name = from;
+       node->settled = false;
+       node->parent = 0;
+       node->cost = 0;
+       pq.push(node);
+
+       int g = 0;
+       bool hascar = type == cop_car;
+       while(!pq.empty()){
+               node = pq.top();
+               pq.pop();
+               //cerr << "Vector with size: " << w.size() << endl;
+               //cerr << "Looking at: " << node->name << endl;
+               //copy(w.begin(), w.end(), ostream_iterator<string>(cerr, " : "));
+
+               g = goal(node);
+               if (g < 0)
+                       break;
+               else if (g){
+                       list<string> l;
+                       front_insert_iterator<list<string> > ii(l);
+                       do{
+                               *ii++ = node->name;
+                               node = node->parent;
+                       }while (node != 0);
+                       return l;
+               }
+               node->settled = true;
+
+               Intersection& inter = _intersections[node->name];
+               for (hash_map<string,StreetType>::const_iterator street = inter.connections.begin();
+                               street != inter.connections.end(); ++street){
+                       hash_map<string,SPInfo>::iterator newNode = nodes.find(street->first);
+                       bool travelStreet = false;
+                       if (hascar){
+                               if (reverse){
+                                       if (street->second != foot){
+                                               hash_map<string,StreetType>::const_iterator st = _intersections[street->first].connections.find(node->name);
+                                               if (st != _intersections[street->first].connections.end())
+                                                       travelStreet = st->second != foot;
+                                               else
+                                                       travelStreet = false;
+                                       }else
+                                               travelStreet = true;
+                               }else
+                                       travelStreet = street->second != foot;
+                       }else{
+                               travelStreet = street->second != car;
+                       }
+                       if (travelStreet){
+                               //cerr << "Adding street: " << street->first << endl;
+                               SPInfo* n = 0;
+                               if (newNode == nodes.end()){
+                                       n = &nodes[street->first];
+                                       n->name = street->first;
+                                       n->settled = false;
+                                       n->parent = 0;
+                                       n->cost = 10000;
+                               }else if (newNode->second.settled)
+                                       continue;
+                               else
+                                       n = &newNode->second;
+
+                               if (n->cost > node->cost + 1){
+                                       n->cost = node->cost + 1;
+                                       n->parent = node;
+                                       pq.push(n);
+                               }
+                       }
+
+               }
+               
+       }
+       
+       return list<string>();
+}
+
+SimpleSPGoal::SimpleSPGoal(std::string to):_to(to){
+}
+
+int SimpleSPGoal::operator()(const SPInfo* node) const{
+       if (node->name == _to)
+               return 1;
+       return 0;
+}
+
+FindPlayer::FindPlayer(const hash_map<string, Player>& players, PlayerType type, int limit) : _players(players), _type(type), _limit(limit){
+}
+
+int FindPlayer::operator()(const SPInfo* node) const{
+       if (_limit > 0 && node->cost >= _limit)
+               return -1;
+       for(hash_map<string, Player>::const_iterator player = _players.begin();
+                       player != _players.end(); ++player){
+               if (player->second.type == _type && player->second.location == node->name){
+                       return 1;
+               }
+       }
+       return 0;
 }