Battleship (#16)

* project: testing

* feat: updated testing configs

* feat: ship class and test

* feat: more testing

* feat: gameboard logic/tests complete

* feat: add player methods

* feat: add main app

* sync: pushing latest code to repo

* feat: add some basic styling and stuff

* feat: added UI logic

* feat: basic game is finished

* feat: add adjacent rules

* feat: basic game complete

battleship/src/app.js

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+export default class Game {
+    constructor(players) {
+        this.player1 = players.player1;
+        this.player2 = players.player2;
+        // this.main();
+    }
+
+    main() {
+        // TODO take turns picking points to shoot a ship
+        let count = 0;
+
+        // Main Game Loop
+        while (count < 100) {
+            this.handleUserMove();
+            this.handleCPUMove();
+
+            // console.log(
+            //     this.player1.gameboard.scoreboard,
+            //     this.player1.gameboard.sunkShipCount,
+            //     this.player2.gameboard.scoreboard,
+            // );
+            if (this.player1.gameboard.sunkShipCount === 5) return;
+
+            count += 1;
+        }
+    }
+
+    handleUserMove(move = null) {
+        // let move = window.prompt('Enter your move in array fashion');
+        if (move) {
+            this.player2.gameboard.receiveAttack(JSON.parse(move));
+        }
+        this.player2.gameboard.shipStatus();
+    }
+
+    handleCPUMove() {
+        let move = this.player2.computerMoves(
+            this.player1.gameboard.scoreboard,
+        );
+        this.player1.gameboard.receiveAttack(move);
+        this.player1.gameboard.shipStatus();
+    }
+}

battleship/src/components/gameboard.js

@@ -0,0 +1,177 @@
+import { Ship } from './ship';
+
+class Gameboard {
+    constructor() {
+        // some code
+        this.ships = [];
+        this.sunkShipCount = 0;
+
+        // load settings
+        this.settings();
+
+        // Create Ships
+        this.createShips();
+
+        // Tracks the opponents attempts on the players gameboard
+        this.scoreboard = {
+            hits: new Set(),
+            misses: new Set(),
+        };
+    }
+
+    settings() {
+        this.shipCount = 5;
+        this.shipSize = [2, 3, 3, 4, 5];
+    }
+
+    createShips() {
+        for (let i = 0; i < this.shipSize.length; i++) {
+            let ship = new Ship(this.shipSize[i]);
+
+            while (true) {
+                let cords = this.generateCoordinates(this.shipSize[i]);
+                ship.coordinates = cords;
+
+                if (
+                    !this.checkForDuplicateCoordinates(ship) &&
+                    !this.checkForAdjacentCoordinates(ship)
+                ) {
+                    break;
+                }
+            }
+            this.ships.push(ship);
+        }
+    }
+
+    generateCoordinates(size) {
+        const coordinates = [];
+        const direction =
+            Math.floor(Math.random() * 2) === 1 ? 'vertical' : 'horizontal';
+        // if direction == vertial.. x should be the same.. else y will be the same
+        let x = Math.floor(Math.random() * 10) + 1;
+        let y = Math.floor(Math.random() * 10) + 1;
+        let startingPoint = Math.floor(Math.random() * 9) + 1;
+
+        if (startingPoint > 10 - size) startingPoint -= size;
+
+        for (let i = 1; i < size + 1; i++) {
+            if (direction === 'vertical') {
+                y = i + startingPoint;
+                coordinates.push([x, y]);
+            } else {
+                x = i + startingPoint;
+                coordinates.push([x, y]);
+            }
+        }
+
+        return coordinates;
+    }
+
+    checkForDuplicateCoordinates(ship) {
+        // needs to save coordinates to a list
+        let duplicates = false;
+
+        if (this.ships.length > 0) {
+            this.ships.forEach((s) => {
+                for (let i = 0; i < ship.coordinates.length; i++) {
+                    let check = s.coordinates.find(
+                        (s) =>
+                            JSON.stringify(s) ===
+                            JSON.stringify(ship.coordinates[i]),
+                    );
+                    if (check) {
+                        duplicates = true;
+                    }
+                }
+            });
+        }
+        return duplicates;
+    }
+
+    checkForAdjacentCoordinates(ship) {
+        // needs to save coordinates to a list
+        let adjacent = false;
+        let test = [];
+
+        const adj = [
+            [-1, 1],
+            [-1, 0],
+            [-1, -1],
+            [0, -1],
+            [1, -1],
+            [1, 0],
+            [1, 1],
+            [0, 1],
+        ];
+
+        for (let y = 1; y < 11; y++) {
+            let rowData = [];
+            for (let x = 1; x < 11; x++) {
+                let adjPositions = [];
+                for (const [adjX, adjY] of adj) {
+                    const tempX = x + adjX;
+                    const tempY = y + adjY;
+
+                    if (tempX >= 1 && tempX < 11 && tempY >= 1 && tempY < 11) {
+                        adjPositions.push([tempX, tempY]);
+                    }
+                }
+                rowData.push(adjPositions);
+            }
+            test.push(rowData);
+        }
+
+        if (this.ships.length > 0) {
+            this.ships.forEach((s) => {
+                for (let i = 0; i < ship.coordinates.length; i++) {
+                    let x = ship.coordinates[i][1];
+                    let y = ship.coordinates[i][0];
+
+                    let adjacentCords = test[x - 1][y - 1];
+
+                    for (let t = 0; t < adjacentCords.length; t++) {
+                        let check = s.coordinates.find(
+                            (s) =>
+                                JSON.stringify(s) ===
+                                JSON.stringify(adjacentCords[t]),
+                        );
+                        if (check) {
+                            adjacent = true;
+                        }
+                    }
+                }
+            });
+        }
+        return adjacent;
+    }
+
+    receiveAttack(coordinate) {
+        let shipIndex;
+
+        for (let i = 0; i < this.ships.length; i++) {
+            let attacked = this.ships[i].coordinates.find(
+                (c) => JSON.stringify(coordinate) === JSON.stringify(c),
+            );
+
+            if (attacked) {
+                shipIndex = i;
+                this.ships[shipIndex].hit();
+                this.scoreboard.hits.add(JSON.stringify(coordinate));
+                return;
+            }
+        }
+
+        if (!shipIndex) this.scoreboard.misses.add(JSON.stringify(coordinate));
+    }
+
+    shipStatus() {
+        for (let i = 0; i < this.ships.length; i++) {
+            if (this.ships[i].isSunk()) {
+                this.sunkShipCount += 1;
+                this.ships.splice(i, 1);
+            }
+        }
+    }
+}
+
+export { Gameboard };

battleship/src/components/player.js

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+import { Gameboard } from './gameboard';
+class Player {
+    constructor(name) {
+        this.gameboard = new Gameboard();
+        this.playerName = name;
+    }
+
+    computerMoves(scoreboard) {
+        function coordinates() {
+            let x = Math.floor(Math.random() * 10) + 1;
+            let y = Math.floor(Math.random() * 10) + 1;
+            return [x, y];
+        }
+
+        while (true) {
+            let potentialMove = coordinates();
+            if (!scoreboard.misses.has(JSON.stringify(potentialMove))) {
+                return potentialMove;
+            }
+        }
+    }
+}
+
+export { Player };

battleship/src/components/ship.js

@@ -0,0 +1,16 @@
+class Ship {
+    constructor(length) {
+        this.length = length;
+        this.hits = 0;
+    }
+
+    hit() {
+        this.hits += 1;
+    }
+
+    isSunk() {
+        return this.hits === this.length;
+    }
+}
+
+export { Ship };

battleship/src/index.js

@@ -0,0 +1,9 @@
+import { Player } from './components/player';
+import Game from './app';
+import Website from './website';
+import './style.css';
+
+const player1 = new Player('Player1');
+const player2 = new Player('CPU');
+const game = new Game({ player1: player1, player2: player2 });
+new Website(game);

battleship/src/style.css

@@ -0,0 +1,31 @@
+#header {
+    display: flex;
+    justify-content: center;
+}
+
+.container {
+    display: flex;
+    justify-content: center;
+    align-content: center;
+    gap: 100px;
+}
+
+.grid {
+    display: flex;
+    width: 500px;
+    height: 500px;
+    flex-wrap: wrap;
+}
+
+.player2 div {
+    cursor: pointer;
+}
+
+.player2 div > div:hover {
+    background-color: gray;
+}
+
+.cell {
+    width: 48px;
+    height: 48px;
+}

battleship/src/website.js

@@ -0,0 +1,138 @@
+export default class Website {
+    constructor(game) {
+        this.game = game;
+        this.container = document.createElement('div');
+        this.container.classList.add('container');
+
+        this.header = document.createElement('header');
+        this.header.id = 'header';
+
+        this.footer = document.createElement('footer');
+        this.footer.id = 'footer';
+
+        this.createHeader();
+        this.updateScreen();
+        document.body.append(this.header, this.container, this.footer);
+    }
+
+    createHeader() {
+        let title = document.createElement('h1');
+        title.textContent = 'Battleship';
+
+        this.header.appendChild(title);
+    }
+
+    drawGrid(player = null) {
+        const div = document.createElement('div');
+        div.style.border = '1px solid black';
+        div.classList.add('grid');
+
+        let misses = player.gameboard.scoreboard.misses;
+        let hits = player.gameboard.scoreboard.hits;
+        let shipCoordinates = player.gameboard.ships.map(
+            (ship) => ship.coordinates,
+        );
+        let allShipCoordinates = shipCoordinates.concat(...shipCoordinates);
+
+        for (let i = 1; i < 11; i++) {
+            for (let j = 1; j < 11; j++) {
+                const cell = document.createElement('div');
+                cell.classList.add('cell');
+                cell.dataset.cell = `[${j}, ${i}]`;
+                cell.style.border = '1px solid black';
+                div.appendChild(cell);
+
+                if (player.playerName === 'Player1') {
+                    allShipCoordinates.forEach((ship) => {
+                        if (JSON.stringify([j, i]) === JSON.stringify(ship)) {
+                            cell.style.backgroundColor = 'blue';
+                        }
+                    });
+                }
+
+                if (hits.has(JSON.stringify([j, i]))) {
+                    cell.style.backgroundColor = 'red';
+                } else if (misses.has(JSON.stringify([j, i]))) {
+                    cell.style.backgroundColor = 'black';
+                }
+            }
+        }
+
+        return div;
+    }
+
+    updateScreen() {
+        // Clear screen before update
+        this.container.innerHTML = '';
+
+        const playerOneDiv = document.createElement('div');
+        playerOneDiv.classList.add('player1');
+
+        const h2 = document.createElement('h2');
+        h2.classList.add('player-title');
+        h2.textContent = 'Player 1';
+
+        playerOneDiv.append(h2, this.drawGrid(this.game.player1));
+
+        const playerTwoDiv = document.createElement('div');
+        playerTwoDiv.classList.add('player2');
+        playerTwoDiv.addEventListener('click', (event) =>
+            this.handleAttackClick(event),
+        );
+
+        const h2Cpu = document.createElement('h2');
+        h2Cpu.classList.add('player-title');
+        h2Cpu.textContent = 'CPU';
+
+        playerTwoDiv.append(h2Cpu, this.drawGrid(this.game.player2));
+
+        this.container.append(playerOneDiv, playerTwoDiv);
+    }
+
+    handleAttackClick(event) {
+        let move = event.target.dataset.cell
+            ? JSON.parse(event.target.dataset.cell)
+            : null;
+        // Exit if the block has already been clicked
+        let available = this.game.player2.gameboard.scoreboard;
+        if (
+            available.misses.has(JSON.stringify(move)) ||
+            available.hits.has(JSON.stringify(move)) ||
+            !move
+        )
+            return;
+
+        this.game.handleUserMove(JSON.stringify(move));
+        this.updateScreen();
+        if (this.isGameOver()) {
+            let winner = this.announceWinner();
+            this.container.textContent = `Gameover ${winner} has won the game`;
+        }
+        this.CPUMove();
+    }
+
+    CPUMove() {
+        this.game.handleCPUMove();
+        this.updateScreen();
+
+        if (this.isGameOver()) {
+            let winner = this.announceWinner();
+            this.container.textContent = `Gameover ${winner} has won the game`;
+        }
+    }
+
+    isGameOver() {
+        return (
+            this.game.player1.gameboard.ships.length === 0 ||
+            this.game.player2.gameboard.ships.length === 0
+        );
+    }
+
+    announceWinner() {
+        if (this.game.player1.gameboard.ships.length === 0) {
+            return 'CPU';
+        }
+
+        return 'Player 1';
+    }
+}