Battleship v2.3.9

// Battleship v2.3.9
//
// Author: Elena Polyakova
// Date: 15-Nov-2019

#include <cstdlib>
#include <iostream>
#include <windows.h>
#include <iomanip>
#include <cctype>
#include <cstring>
#define SZ 64


using namespace std;


void printFields(char[][SZ],char[][SZ],char[][SZ], HANDLE);
void greeting(HANDLE);
void fillingFields(char[][SZ],char[][SZ],char[][SZ]);
void printStagePlacementShips(char[][SZ],char[][SZ],char[][SZ], HANDLE, int[]);





int main() {
    HANDLE h = GetStdHandle(STD_OUTPUT_HANDLE);
    SetConsoleTextAttribute(h, 0x0007);

    char str[16] = {};
    char yf[SZ][SZ] = {}, ofv[SZ][SZ] = {}, ofi[SZ][SZ] = {}; // yf - your field
                                                              // ofv - opponent's field visible
                                                              // ofi - opponent's field invisible
    int crs[4] = {4,3,2,1};                                   // crs - count of remaining ships
    bool errorFlag = 0;


    greeting(h);

    fillingFields(yf, ofv, ofi);


    do {
        printStagePlacementShips(yf, ofv, ofi, h, crs);
        if (errorFlag == 1) {
            SetConsoleTextAttribute(h, 0x000C);
            cout << "   ERROR! WRONG DIRECTION OF SHIP!\n";
            SetConsoleTextAttribute(h, 0x0007);
            errorFlag = 0;
        }
        cout << "   Enter: ";
        cin.getline(str,8);
        int hmd = 0, ficrd = 0, secrd = 0;          // hmd - how many decks
                                                    // ficrd - first coordinate
                                                    // secrd - second coordinate
        char drct;                                  // drct - direction
        hmd = str[0]-48;
        secrd = tolower(str[2])-96;
        if (hmd != 1) {
            if (str[4] == ' ') {
                ficrd = str[3]-48;
                drct = tolower(str[5]);
            }
            else {
                int fn, sn;
                fn = str[3]-48;
                sn = str[4]-48;
                ficrd = fn*10+sn;
                drct = tolower(str[6]);
            }
        }
        else {
            if (str[4] != ' ' && str[4] != '\0') {
                int fn, sn;
                fn = str[3]-48;
                sn = str[4]-48;
                ficrd = fn*10+sn;
            }
            else
                ficrd = str[3]-48;
        }

        // Проверка выходит ли за границы корабль
        if (ficrd < 1 || ficrd > 10 || secrd < 1 || secrd > 10 || yf[ficrd][secrd] == '@')
            errorFlag = 1;


        if (errorFlag == 0) {
            if (hmd != 1) {
                if (drct == 'r') {
                    for (int j = 1; j < hmd; ++j)
                        if (secrd+j < 1 || secrd+j > 10 || yf[ficrd][secrd+j] == '@')
                            errorFlag = 1;
                    if (errorFlag == 0)
                        for (int j = 1; j < hmd; ++j)
                            yf[ficrd][secrd+j] = '@';
                }
                if (drct == 'l') {
                    for (int j = 1; j < hmd; ++j)
                        if (secrd-j < 1 || secrd-j > 10 || yf[ficrd][secrd-j] == '@')
                            errorFlag = 1;
                    if (errorFlag == 0)
                        for (int j = 1; j < hmd; ++j)
                            yf[ficrd][secrd-j] = '@';
                }
                if (drct == 'u') {
                    for (int j = 1; j < hmd; ++j)
                        if (ficrd-j < 1 || ficrd-j > 10 || yf[ficrd-j][secrd] == '@')
                            errorFlag = 1;
                    if (errorFlag == 0)
                        for (int j = 1; j < hmd; ++j)
                            yf[ficrd-j][secrd] = '@';
                }
                if (drct == 'd') {
                    for (int j = 1; j < hmd; ++j)
                        if (ficrd+j < 1 || ficrd+j > 10 || yf[ficrd+j][secrd] == '@')
                            errorFlag = 1;
                    if (errorFlag == 0)
                        for (int j = 1; j < hmd; ++j)
                            yf[ficrd+j][secrd] = '@';
                }
            }
            if (errorFlag == 0) {
                yf[ficrd][secrd] = '@';
                --crs[hmd-1];
            }
        }
    } while (crs[0] || crs[1] || crs[2] || crs[3]);
    system("pause");

    return 0;
}














void greeting(HANDLE h) {
    cout << endl;
    cout << "Hello! This is the game ";
    SetConsoleTextAttribute(h, 0x0009);
    cout << "Battleship v2.3.7" << endl;
    SetConsoleTextAttribute(h, 0x0007);
    cout << "The rules are simple:" << endl;
    cout << "1) The game has 2 players: ";
    SetConsoleTextAttribute(h, 0x000A);
    cout << "You";
    SetConsoleTextAttribute(h, 0x0007);
    cout << " and ";
    SetConsoleTextAttribute(h, 0x000C);
    cout << "Your computer";
    SetConsoleTextAttribute(h, 0x0007);
    cout << "." << endl;
    cout << "2) Players take turns calling coordinates on an unknown opponent's field." << endl;
    cout << "3) If have rival on these coordinates there is ship (coordinates are busy), then" << endl;
    cout << "ship or his part of \"drowns\", and engulfed receives the right do another move." << endl;
    cout << "4) The aim of the player is the first to sink all the enemy ships." << endl;
    system("pause");
}


void fillingFields(char yf[][SZ], char ofv[][SZ], char ofi[][SZ]) {
    for (int i = 0; i < 12; ++i) {
        for (int j = 0; j < 12; ++j) {
            if (j == 0 || i == 0 || j == 12-1 || i == 12-1)
                yf[i][j] = '#';
            else
                yf[i][j] = '~';
        }
        for (int j = 0; j < 12; ++j) {
            if (j == 0 || i == 0 || j == 12-1 || i == 12-1) {
                ofv[i][j] = '#';
                ofi[i][j] = '#';
            }
            else {
                ofv[i][j] = '~';
                ofi[i][j] = '~';
            }
        }
    }
}



void printFields(char yf[][SZ], char ofv[][SZ], char ofi[][SZ], HANDLE h) {
    cout << endl;
    cout << "           ";
    SetConsoleTextAttribute(h, 0x000A);
    cout << "Your field";
    SetConsoleTextAttribute(h, 0x0007);
    cout << "                       ";
    SetConsoleTextAttribute(h, 0x000C);
    cout << "Opponent's field" << endl;
    SetConsoleTextAttribute(h, 0x0007);
    cout << "        ";
    SetConsoleTextAttribute(h, 0x000E);
    cout << "A B C D E F G H I J                A B C D E F G H I J" << endl;
    SetConsoleTextAttribute(h, 0x0007);
    for (int i = 0; i < 12; ++i) {
        for (int j = 0; j < 3; ++j)
            cout << ' ';
        if (i != 0 && i != 12-1) {
            SetConsoleTextAttribute(h, 0x000E);
            cout << setw(2) << i;
            SetConsoleTextAttribute(h, 0x0007);
        }
        for (int j = 0; j < 12; ++j) {
            if (j == 0 || i == 0 || j == 12-1 || i == 12-1) {
                if ((i == 0 && j == 0) || (i == 12-1 && j == 0))
                    cout << "  ";
                SetConsoleTextAttribute(h, 0x0008);
                cout << setw(2) << yf[i][j];
                SetConsoleTextAttribute(h, 0x0007);
            }
            else {
                if (yf[i][j] == '~') {
                    SetConsoleTextAttribute(h, 0x0009);
                    cout << setw(2) << yf[i][j];
                    SetConsoleTextAttribute(h, 0x0007);
                }
                if (yf[i][j] == '@') {
                    SetConsoleTextAttribute(h, 0x000A);
                    cout << setw(2) << yf[i][j];
                    SetConsoleTextAttribute(h, 0x0007);
                }
            }
        }
        cout << "         ";
        if (i != 0 && i != 12-1) {
            SetConsoleTextAttribute(h, 0x000E);
            cout << setw(2) << i;
            SetConsoleTextAttribute(h, 0x0007);
        }
        for (int j = 0; j < 12; ++j) {
            if (j == 0 || i == 0 || j == 12-1 || i == 12-1) {
                if ((i == 0 && j == 0) || (i == 12-1 && j == 0))
                    cout << "  ";
                SetConsoleTextAttribute(h, 0x0008);
                cout << setw(2) << ofv[i][j];
                SetConsoleTextAttribute(h, 0x0007);
            }
            else {
                SetConsoleTextAttribute(h, 0x0009);
                cout << setw(2) << ofv[i][j];
                SetConsoleTextAttribute(h, 0x0007);
            }
        }
        cout << endl;
    }
}


void printStagePlacementShips(char yf[][SZ], char ofv[][SZ], char ofi[][SZ], HANDLE h, int crs[]) {
    system("cls");
    printFields(yf, ofv, ofi, h);
    cout << endl;
    cout << "   Place the ships in ";
    SetConsoleTextAttribute(h, 0x000A);
    cout << "your field";
    SetConsoleTextAttribute(h, 0x0007);
    cout << "." << endl;
    cout << "   To set up a single deck ship just select \"1 [1st coordinate][2nd coordinate]\"." << endl;
    cout << "   Example: 1 A1" << endl;
    cout << "   For others select \"[which deck] [1st coordinate][2nd coordinate] [direction]\"." << endl;
    cout << "   Right - R, Left - L, Up - U, Down - D" << endl;
    cout << "   Example: 3 A1 R" << endl << endl;
    SetConsoleTextAttribute(h, 0x000A);
    cout << "   @@@@";
    SetConsoleTextAttribute(h, 0x0007);
    cout << " x ";
    if (crs[3] == 0) {
        SetConsoleTextAttribute(h, 0x000C);
        cout << crs[3];
        SetConsoleTextAttribute(h, 0x0007);
    }
    else {
        SetConsoleTextAttribute(h, 0x0009);
        cout << crs[3];
        SetConsoleTextAttribute(h, 0x0007);
    }
    cout << " left" << endl;

    SetConsoleTextAttribute(h, 0x000A);
    cout << "   @@@";
    SetConsoleTextAttribute(h, 0x0007);
    cout << "  x ";
    if (crs[2] == 0) {
        SetConsoleTextAttribute(h, 0x000C);
        cout << crs[2];
        SetConsoleTextAttribute(h, 0x0007);
    }
    else {
        SetConsoleTextAttribute(h, 0x0009);
        cout << crs[2];
        SetConsoleTextAttribute(h, 0x0007);
    }
    cout << " left" << endl;

    SetConsoleTextAttribute(h, 0x000A);
    cout << "   @@";
    SetConsoleTextAttribute(h, 0x0007);
    cout << "   x ";
    if (crs[1] == 0) {
        SetConsoleTextAttribute(h, 0x000C);
        cout << crs[1];
        SetConsoleTextAttribute(h, 0x0007);
    }
    else {
        SetConsoleTextAttribute(h, 0x0009);
        cout << crs[1];
        SetConsoleTextAttribute(h, 0x0007);
    }
    cout << " left" << endl;

    SetConsoleTextAttribute(h, 0x000A);
    cout << "   @";
    SetConsoleTextAttribute(h, 0x0007);
    cout << "    x ";
    if (crs[0] == 0) {
        SetConsoleTextAttribute(h, 0x000C);
        cout << crs[0];
        SetConsoleTextAttribute(h, 0x0007);
    }
    else {
        SetConsoleTextAttribute(h, 0x0009);
        cout << crs[0];
        SetConsoleTextAttribute(h, 0x0007);
    }
    cout << " left" << endl;
    cout << endl;
}