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#include <iostream>
#include "BATTLESHIP.h"
#include <ctime>
#include <cstdlib>
using namespace std;
int main(){
srand(time(NULL));
ship s[FLEET_SIZE]; // enemy ship structure with 5 elements
initialize(s); // run initialize function with structure s
deploy(s); // run deploy function with structure s
char shipLoc; // user input for ship status display
ship user; // users fire guess
cout << "WELCOME TO BATTLESHIP\n"
<< "_____________________\n\n"
<< " -Sink enemy ships-\n\n\n";
cout << "You have the option to view the status of the ships or go straight to the game.\n\n";
while(operational(s)){ // run this while there is at least one standing ship
cout << "Would you like to see the location and status of the ships? <y or n> ";
cin >> shipLoc;
if (shipLoc == 'y' || shipLoc == 'Y'){
printFleet(s); // prints status and location of enemy ships
user.loc=fire(); // users guess stored from fire function
int c = check(s, user.loc); // holds the index of the array or -1
if (c!=-1){
sink(s[c]); // changes status of sink in individual element
cout << "HIT! Ship sunk.\n\n";
}
else // if c = -1 then report a miss
cout << "Sorry you missed, try again.\n\n";
}
else if (shipLoc == 'n' || shipLoc == 'N'){ // same as above, without printing ships
user.loc=fire();
int c = check(s, user.loc);
if (c!=-1){
sink(s[c]);
cout << "HIT! Ship sunk.\n\n";
}
else
cout << "Sorry you missed, try again.\n\n";
}
else
cout << "\nYou entered an invalid option. Please enter <y or n>\n" << endl;
}
cout << "\nCongratulations! You have sunk all enemy ships.\n\n";
}
void initialize(ship s[]){ // sets all ships in -1 to show it is not deployed
for(int i=0; i<FLEET_SIZE; i++)
s[i].loc.x = -1;
}
void deploy(ship s[]){
int i=0; // Number of ships so far
while (i<FLEET_SIZE){
location temp = pick(); // sets random location in temp variable
int e = check(s, temp); // -1 if there is a match, otherwise holds the element of the ship
if (e==-1){
s[i].loc = temp; // gives random location to the ship
s[i].sunk=false; // makes the ship up
i++;
}
}
}
location pick(void){ // picks a random location
location loc;
loc.x=rand()%FIELD_SIZE+1;
loc.y=rand()%FIELD_SIZE+1;
switch(loc.y){
case 1: loc.y='a'; break;
case 2: loc.y='b'; break;
case 3: loc.y='c'; break;
case 4: loc.y='d'; break;
case 5: loc.y='e'; break;
}
return loc;
}
int check(const ship s[], location loc)
{
for(int i=0; i<FLEET_SIZE; i++)
if (match(s[i], loc)) // if true, return the index, if not return -1
return i;
return -1;
}
bool match(ship s, location l)
{
if ((s.loc.x == l.x) && (s.loc.y == l.y)) // if both member variables match, return true
return true;
else
return false;
}
bool operational(const ship s[]){
for(int i=0; i<FLEET_SIZE; i++)
if (s[i].sunk == false) // if there is at least one operational ship, return true
return true;
return false;
}
void printShip(ship s){
cout << s.loc.y << s.loc.x << ' ';
if(s.sunk == true)
cout << "sunk ";
else if (s.sunk == false)
cout << "up ";
}
void printFleet(const ship s[]){
for(int i=0; i<FLEET_SIZE; i++){
printShip(s[i]);
}
cout << endl;
}
location fire(void){
location temp; // temp variable for users guess
cout << "\nWhere would you like to fire a shot?\n"
<< "Y-Coordinate <a-e>: ";
cin >> temp.y;
cout << "X-Coordinate <1-5>: ";
cin >> temp.x;
cout << endl;
return temp; // returns temps locations
}
void sink(ship& s){
s.sunk=true; // sinks the ship
}
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