school/cs142/lab09/tournament.cpp

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2016-04-06 20:45:34 -07:00
#include <iostream>
#include <vector>
#include <algorithm>
#include <stdexcept>
using namespace std;
#include "tournament.h"
#include "restaurant.h"
#include "io.h"
ostream & operator<<(ostream & os, vector<restaurant> & v) {
for(auto i: v) {
os << i << endl;
}
return os;
}
ostream & operator<<(ostream & os, tournament & t){
os << "[";
for(unsigned int i = 0; i < t.restaurants.size(); i++) {
if(i == t.restaurants.size() - 1) {
os << t.restaurants[i];
}
else {
os << t.restaurants[i]<< " ,";
}
}
os << "]";
return os;
}
bool tournament::populate_restaurants(string filename) {
try {
restaurants = parse_file(filename);
return true;
}
catch(runtime_error e) {
cerr << e.what() << endl;
return false;
}
}
bool tournament::already_in(string name) {
for(unsigned int i = 0; i < restaurants.size(); i++) {
if(restaurants[i].name == name) {
return true;
}
}
return false;
}
void tournament::add_restaurants() {
string name;
int score = 0;
cout << "name" << endl;
cin.ignore();
getline(cin, name);
if(not already_in(name)) {
restaurants.push_back(restaurant(name, score));
}
}
void tournament::remove_restaurants() {
string name;
cout << "name" << endl;
cin.ignore();
getline(cin, name);
if(already_in(name)) {
for(unsigned int i = 0; i < restaurants.size(); i++) {
if(restaurants[i].name == name){
restaurants.erase(restaurants.begin() + i);
}
}
}
}
void tournament::shuffle() {
random_shuffle(restaurants.begin(), restaurants.end());
}
int round_counter(int current_size) {
int round;
if(current_size == 32) {
round = 5;
}
if(current_size == 16) {
round = 4;
}
else if(current_size == 8) {
round = 3;
}
else if(current_size == 4) {
round = 2;
}
else if(current_size == 2) {
round =1;
}
return round;
}
int match_counter(int current_size) {
int match;
if(current_size == 32) {
match = 16;
}
if(current_size == 16) {
match = 8;
}
else if(current_size == 8) {
match = 4;
}
else if(current_size == 4) {
match = 2;
}
else if(current_size == 2) {
match =1;
}
return match;
}
bool tournament::start_tournament(){
if(not verify_size()) {
cout << "not 2^n" << endl;
return false;
}
bool temp_bool = true;
bool tourn_running = true;
cin.ignore();
string name;
int match = match_counter(restaurants.size());
int round = round_counter(restaurants.size());
int current_round = 1;
vector<restaurant> temp_array;
while(tourn_running == true) {
int current_match = 1;
temp_bool = true;
cin.ignore();
for(unsigned int i = 0; i < restaurants.size(); i += 2) {
while(temp_bool == true) {
cout << "which restaurant: " << restaurants[i] << " or " << restaurants[i + 1] << endl;
cout << "match " << current_match << "/" << match << " Round "
<< current_round << "/" << round << endl;
getline(cin, name);
if(name == restaurants[i].name or name == restaurants[i + 1].name) {
if(name == restaurants[i].name) {
restaurants[i].score++;
temp_array.push_back(restaurants[i]);
losers.push_back(restaurants[i+1]);
}
else {
restaurants[i+1].score++;
temp_array.push_back(restaurants[i + 1]);
losers.push_back(restaurants[i]);
}
temp_bool = false;
current_match++;
}
else {
cout << "invalid response " << name << endl;
}
}
temp_bool = true;
}
while(temp_bool == true) {
for(unsigned int i = 0; i < temp_array.size(); i++) {
restaurants[i] = temp_array[i];
}
for(unsigned int i = 0; i < temp_array.size(); i++){
restaurants.pop_back();
}
if(restaurants.size() == 1) {
losers.push_back(restaurants[0]);
cout << "this is the winner " << restaurants[0] << endl;
restaurants = losers;
return true;
}
else {
cout << "next round of tournament" << endl;
temp_bool = false;
}
}
temp_array.clear();
match = match/2;
current_round++;
}
return false;
}
bool tournament::verify_size() {
int r = restaurants.size();
if(r == 2 or r == 4 or r == 8 or r == 16 or r == 32 or r == 64) {
return true;
}
return false;
}