kek 13

#include <iostream>
#include <time.h>
#include <stdlib.h>
#include <string>

using namespace std;

struct BattleShips // used a class as will have 2 instances, one for computer, one for human
{
    const static int rows = 10;
    const static int columns = 10;

    int matrix[rows][columns];
    int ships[5];

    void clearGrid() // simple function to clear the matrix.
    {
        for (int y = 0; y < rows; y++) // loops while y is less than rows, and increments y
        {
            for (int x = 0; x < columns; x++) // loops while x is less than columns and increments x
            {
                matrix[y][x] = 0; // sets each matrix row and column to 0
            }
        }
    }

    BattleShips()
    {
        for (int i = 0; i < 4; i++) {
            ships[i] = 0;
        }
        clearGrid();
    }


    void showGrid()
    {
        cout << "   0 1 2 3 4 5 6 7 8 9" << endl;
        cout << "-----------------------" << endl;
        for (int x = 0; x < rows; x++)
        {
            cout << x << "| ";
            for (int y = 0; y < rows; y++)
            {
                cout << matrix[x][y] << " ";
            }
            cout << endl;
        }
    }

    int numberOfShips() // very similar to other methods but returns an int value, this will be to check the amount of ships left after the user inputs their data
    {
        int c = 0;
        for (int x = 0; x < rows; x++)
        {
            for (int y = 0; y < columns; y++)
            {
                if (matrix[x][y] == 1)
                {
                    c++;
                }
            }
        }
        return c;
    }

    void setShipsRandom()
    {
        /*
        int ships = 0;
        while (ships < maximumShips)
        {
            int xPos = rand() % 10; // modulo 10 to make an int between 0 and 9
            int yPos = rand() % 10; // modulo 10 to make an int between 0 and 9

            if (matrix[xPos][yPos] != 1)
            {
                ships++;
                matrix[xPos][yPos] = 1; // sets position to 1
            }
        }
        */
    }

    bool checkDiagonal(int row, int column)
    {
        if (row != 0) {
            if (column != 0) {
                if (matrix[row - 1][column - 1] == 1) {
                    return false;
                }
            }
            if (column != 9) {
                if (matrix[row - 1][column + 1] == 1) {
                    return false;
                }
            }
        }
        if (row != 9) {
            if (column != 0) {
                if (matrix[row + 1][column - 1] == 1) {
                    return false;
                }
            }
            if (column != 9) {
                if (matrix[row + 1][column + 1] == 1) {
                    return false;
                }
            }
        }

        return true;
    }

    bool setShipsManual(int size, char rotation, int row, int column)
    {
        if (ships[size] + size == 5)
            return false;

        if (rotation == 'h') {
            for (int i = column; i < column + size; i++) {
                if (matrix[row][i] == 1 || !checkDiagonal(row, i)) {
                    return false;
                }
            }

            for (int i = column; i < column + size; i++) {
                matrix[row][i] = 1;
            }
        } else {
            for (int i = row; i < row + size; i++) {
                if (matrix[i][column] == 1 || !checkDiagonal(i, column)) {
                    return false;
                }
            }

            for (int i = row; i < row + size; i++) {
                matrix[i][column] = 1;
            }
        }
        ships[size]++;

        return true;
    }

    bool attack(int _x, int _y) // makes a function with a boolean return type
    {
        if (matrix[_x][_y] == 1) // checks if the given parameters are a 'ship' on the matrix
        {
            matrix[_x][_y] = 2; // sets the position to 2 so the same position can not be re used
            return true; // returns a boolean 'true'
        }
        return false; // returns a boolean 'false'
    }
};



struct Boards // makes another class called boards, will be used to initiate the game boards the user can see
{
    const static int rows = 10; // makes constants called rows and columns set to 10; to make the game board matrix
    const static int columns = 10;
    char grid[rows][columns]; // makes an multidimensional array of data type 'char'
    // CLASS CONSTRUCTOR NOT NECCESSARY AS ALL VALUES ASSIGNED IN PRIVATE BLOCK
    void makeBoards() // declares a function to make the game boards
    {
        for (int x = 0; x < rows; x++) // starts a for loop
        {
            for (int y = 0; y < columns; y++) // nested for loop
            {
                grid[x][y] = '-'; // sets the element in the position to a '-'
            }
        }
    }

    void makeBoards(const BattleShips &ships)
    {
        for (int x = 0; x < rows; x++) // starts a for loop
        {
            for (int y = 0; y < columns; y++) // nested for loop
            {
                if (ships.matrix[x][y] == 1)
                    grid[x][y] = '=';
                else
                    grid[x][y] = '-'; // sets the element in the position to a '-'
            }
        }
    }

    void updateBoards(bool i, int x, int y) // makes a function to update the game boards, takes 3 paramaters. a boolean, and two integers
    {
        int xPos = x; // sets two variables equal to the int values passed in
        int yPos = y;

        if (i == true) // checks if i is equal to 'true'
        {
            grid[xPos][yPos] = 'Y'; // sets the element in the position to 'Y'
        }
        else
        {
            grid[xPos][yPos] = 'N'; // sets the element in the position to 'N'
        }
    }

    void printBoards() // makes a function to print the boards
    {
        int amt = 0; // sets an int called amt to 0

        cout << "  0 1 2 3 4 5 6 7 8 9" << endl; // prints the top line  of coordinates
        for (int x = 0; x < rows; x++) { // for loop
            cout << amt << " "; // outputs the amount variable to the console + a space
            amt++; // increments amt
            for (int y = 0; y < columns; y++) { // nested for loop
                cout << grid[x][y] << " "; // outputs the element of the grid to the console, plus a space
            }
            cout << endl; // outputs an endline character
        }
    }
};



int main() // this is what is run everytime the program starts
{
    char rerun; // declares a char variable called rerun

    do
    {
        srand((unsigned)time(NULL)); // to prevent sequence repetition between runs
        BattleShips human; // instantiates the two objects
        BattleShips cpu;

        Boards humanBoard; // instantiates the Board objects
        Boards cpuBoard;

        human.clearGrid(); // clears the existing matrix
        // human.setShips(); // sets the position of the ships

        while (true) {
            string command;
            getline(cin, command);
            if (command == "stop") {
                break;
            } else if (command == "show") {
                cout << "Your Board: " << endl;
                human.showGrid(); // prints the new boards
            } else if (command.size() == 7) {
                int shipSize = command[0] - '0';
                char rotation = command[2];
                int row = command[4] - '0';
                int column = command[6] - '0';

                if (!(shipSize >= 1 && shipSize <= 4)) {
                    cout << "Wrong ship size" << endl;
                } else if (!(rotation == 'h' || rotation == 'v')) {
                    cout << "Wrong rotation" << endl;
                } else if (!(row >= 0 && row <= 9)) {
                    cout << "Wrong row" << endl;
                } else if (!(column >= 0 && column <= 9)) {
                    cout << "Wrong column" << endl;
                } else {
                    bool state = human.setShipsManual(shipSize, rotation, row, column);
                    if (!state) {
                        cout << "Wrong place" << endl;
                    }
                }
            } else {
                cout << "Wrong command" << endl;
            }
        }


        cpu.clearGrid();  // clears the existing grid
        cpu.setShipsRandom();

        humanBoard.makeBoards(human); // makes the gameboards
        cpuBoard.makeBoards();

        cout << "Your Board: " << endl;
        humanBoard.printBoards(); // prints the new boards
        cout << "CPU's Board" << endl;
        cpuBoard.printBoards();

        int position1, position2; // makes two integers for the positions to be stored inside
        char which; // makes a char variable called which, will be used to store the result of asking the user if they want to forfeit.
        int found = 0; // makes an int called found, initializes it to 0
        int toGo = 10; // makes an int called toGo, initializes it to 10

        int cpuFound = 0; // ^ does the same for the cpu counters
        int cpuToGet = 10;

        bool isTrue; // initializes two boolean variables.
        bool isTrueCpu;

        while (found < 10 || cpuFound < 10) // loops while found is less than 10.
        {
            int cpuX = rand() % 10; // makes a random integer between 0 and 9, hence the mod 10.
            int cpuY = rand() % 10;

            if (cpu.attack(cpuX, cpuY)) // checks the boolean output of the Attack function for the cpu
            {
                isTrueCpu = true; // sets isTrueCpu to true
                cpuFound++; // increments cpuFound
                cpuToGet--; // decrements cpuToGet
                cout << "The Computer has found one of your battleships at: " << "(" << cpuX << ", " << cpuY << ")" << endl; // outputs the position that the cpu found a battleship at.
            }
            else // anything else
            {
                isTrueCpu = false; // sets isTrueCpu to false
                cout << "The Computer did not find a battleship this time" << endl; // outputs that the cpu did not find a battleship this time.
            }

            //------------------------------------------------------------------------------------------------------------

            position1 = 11; // sets position1 and position2 to 11
            position2 = 11; // so that the while loop will initiate below

            while (position1 > 9 || position2 > 9) // loops while position1 is more than 9 OR position 2  is more than 9.
            {
                if (cpuFound == 10 || found == 10)
                {
                    break;
                }
                cout << "Please input the location on the grid you think a battleship is: "; // prompts the user to enter co-ordinates.

                cin >> position1 >> position2; // takes the keyboard input and stores it in position

                while (cin.fail()) // this will inintiate if the user enters a non integer input.
                {
                    cin.clear(); // clears the cin.
                    cin.ignore(); // ignores so it does not go in to an infinite loop
                    cout << "not int, try again: "; cin >> position1 >> position2; // re prompts the user to enter their input
                }
            }

            if (human.attack(position1, position2)) // checks if the boolean value for the Attack function is true
            {
                isTrue = true; // sets isTrue to true
                found++; // increments found
                toGo--; // decrements toGo
                cout << "You have found: " << found << " battleships, you have: " << toGo << " to go" << endl; // alerts the user of how many battleships they have found, and how many more they need to get.
            }
            else // anything else
            {
                isTrue = false; // sets isTrue to false
                cout << "there is no ship at that position, keep trying" << endl; // alerts the user that there is no ship in that position
            }

            cout << "There are: " << human.numberOfShips() << " left" << endl; // tells the user how many more ships there is
            cout << "would you like to surrender (y/n)?: "; cin >> which; // asks the user if they want to surrender and stores the input into char.

            system("CLS"); // clears the console to eliminate clutter

            humanBoard.updateBoards(isTrue, position1, position2); // updates the boards
            cpuBoard.updateBoards(isTrueCpu, cpuX, cpuY);

            cout << "Your Board: " << endl;
            humanBoard.printBoards(); // prints the new boards
            cout << "CPU's Board" << endl;
            cpuBoard.printBoards();

            if (which == 'y') // checks if which is equal to y
            {
                break; // breaks from the loop
            }
            else if (found == 10 || cpuFound == 10)
            {
                break;
            }

        }

        // this code is run when the loop is exited.

        cout << "Game Over!" << endl; // outputs game over to the user
        cout << "your grid: " << endl; // outputs the text "your grid"
        cout << "The number 2 represents ships that have been hit" << endl;
        human.showGrid(); // shows the human objects grid
        cout << "----------------------------------------------------" << endl;
        cout << "CPU's Grid" << endl; // outputs "CPU's Grid"
        cpu.showGrid(); // shows the cpu grid to the user

        cout << "Would you like to rerun, or exit (r/e)"; cin >> rerun; // ask the user if they want to rerun, is stored in rerun.
    } while (rerun == 'r' || rerun == 'R'); // part of the do while loop, checks if rerun is equal to 'y'

    return 0;
}