Question

i need to to create a battleship game in c++ using 2d array and functions

the pograms has to be 10*10 and have 2 enemy ship and 2 friendly ships each taking 3 spaces randomly placed

first the program would display the user the full ocean and the issuer would need to input cordinates and much check that the corinates are correct if not ask again . when a the two enemies ships are drestroyed the game ends or if one friendly ship is destroy the game ends

Answer 1

#include <cstdlib>
#include "stdafx.h"
#include <iostream>
#include <ctime>
#include <string>
using std::string;
using std::cout;
using std::cin;
const int empty=0;
const int occupied=1;
const int hit=2;
const int miss=3;
int Ocean[10][10];
void Initialize_Ocean()
{
for (int r = 0; r < 10; r++)
{
for (int c = 0; c < 10; c++)
{
if (rand()%17 < 1)
{
Ocean[r][c]=occupied;
}
else
{  
Ocean[r][c]=empty;
}
}
}
}
int getNumberOfShips()
{
int number = 0;
for (int r = 0; r < 10; r++)
{
for (int c = 0; c < 10; c++)
{
if ((Ocean[r][c]==occupied) && !(Ocean[r][c]==hit))
{
number++;
}
}
}
return number;
}
string Draw_Ocean()
{
string s = "Number of ships left: ";
char buffer[30];
s += itoa(getNumberOfShips(), buffer, 10);
s += "\n ";
for (int i = 0; i < 10; i++)
{
s += itoa((i % 10), buffer,10);
}
s += "\n +";
for (int i = 0; i < 10; i++)
{
s += "-";
}
s += "+\n";
for (int r = 0; r < 10; r++)
{
s += itoa((r % 10), buffer,10);
s += "|";
for (int c = 0; c < 10; c++)
{
if (Ocean[r][c] == empty)
{
s += " ";
}
else if (Ocean[r][c] == occupied)
{
s += " ";
}
else if (Ocean[r][c] == hit)
{
s += "x";
}
else if (Ocean[r][c] == miss)
{
s += "#";
}
}
s += "|\n";
}
s += " +";
for (int i = 0; i < 10; i++)
{
s += "-";
}
s += "+\n";
return s;
}
bool fire_missile(int r, int c)
{
if (r >= 0 && r < 10 && c >= 0 && c < 10)
{
if (Ocean[r][c]==occupied)
{
Ocean[r][c]=hit;
return true;
}
else
{
Ocean[r][c]=miss;
return false;
}
}
return false;
}

void PlayGame()
{
int row=0, column=0;
string msg;
bool update = false;
system("cls");
cout << "Welcome to battleship!\nThe playing field is a 10x10 grid.\nEnter -1 to exit the game.\n";
cout << Draw_Ocean();
while (column != -1)
{
if (update)
{
system("cls");
cout <<Draw_Ocean();
update = false;
}
cout << ("=============\n" + msg + "\n");
if (getNumberOfShips() == 0)
{
cout << ("Congratulations! All ships are hit! You win 1 player battleship!");
break;
}
cout << "Choose a column:";
cin >> column;
if (column == -1)
{
break;
}
cout << "Choose a row: ";
cin >> row;
if (row == -1)
{
break;
}
if (fire_missile(row, column))
{
msg = "Battleship Sunk!";
}
else
{
msg = "Miss!";
}
//msg = "Missile Launched. Ships left: " + getNumberOfShips() + ".";
update = true;
}
}
void main()
{
srand((unsigned)time(0));
Initialize_Ocean();
PlayGame();
cout << "Bye!";
}