Added JQuery, fixed offline, added start button

public/index.html

@@ -1,13 +1,48 @@
 <!doctype html>
 <html>
+
 <head lang='en'>
 	<meta charset='utf-8'>
 	<meta name='viewport' content='width=device-width'>
-	<link rel="icon" href="./favicon.ico"/>
+	<link rel="icon" href="./favicon.ico" />
+	<link rel="stylesheet" href="./styles/main.css">
+	<link rel="stylesheet" href="./styles/tank-animation.css">
 	<title>BattleCity.js</title>
-	<script src='bundle.js'></script>
+	<script src="./libs/jquery-3.6.0.min.js"></script>
+	<script src='./bundle.js'></script>
 </head>
+
 <body>
-	<main><canvas id="canvas"></canvas></main>
+	<main class="wrapper">
+		<canvas id="canvas"></canvas>
+		<div class="loading">
+			<div class="center">
+				<div><div class="pixel"></div></div>
+				<div class="text-loading">Loading...</div>
+				<div class='container start-level-button'>
+					<a href='#' class='playBut'>
+
+						<!-- Generator: Adobe Illustrator 19.0.0, SVG Export Plug-In  -->
+						<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
+							xmlns:a="http://ns.adobe.com/AdobeSVGViewerExtensions/3.0/" x="0px" y="0px" width="213.7px"
+							height="213.7px" viewBox="0 0 213.7 213.7" enable-background="new 0 0 213.7 213.7"
+							xml:space="preserve">
+
+							<polygon class='triangle' id="XMLID_18_" fill="none" stroke-width="7" stroke-linecap="round"
+								stroke-linejoin="round" stroke-miterlimit="10" points="
+						  73.5,62.5 148.5,105.8 73.5,149.1 " />
+
+							<circle class='circle' id="XMLID_17_" fill="none" stroke-width="7" stroke-linecap="round"
+								stroke-linejoin="round" stroke-miterlimit="10" cx="106.8" cy="106.8" r="103.3" />
+						</svg>
+
+
+
+					</a>
+				</div>
+			</div>
+		</div>
+	</main>
 </body>
+
 </html>

public/styles/main.css

@@ -0,0 +1,118 @@
+@font-face {
+    font-family: VT323;
+    src        : url(./../fonts/VT323-Regular.ttf);
+}
+
+body {
+    font-family: VT323, 'Common Pixel', sans-serif;
+}
+
+#canvas {
+    border: 1px solid #f8aa28;
+    border-radius: 1%;
+}
+
+.wrapper {
+    width : 416px;
+    height: 416px;
+
+    border: 1px solid #f8aa28;
+    border-radius: 1%;
+
+    position: relative;
+}
+
+.loading {
+    width           : 100%;
+    height          : 100%;
+    position        : absolute;
+    top             : 0px;
+    left            : 0px;
+    background-color: black;
+    border: 1px solid #f8aa28;
+    border-radius: 1%;
+}
+
+.center {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-items: center;
+}
+
+.center:first-child {
+    margin-top: 5%;
+    text-align: center;
+}
+
+.text-loading {
+    color: white;
+}
+
+div.start-level-button {
+    display: none;
+}
+
+.container {
+    width     : 100%;
+    text-align: center;
+    margin-top: 10vh;
+}
+
+.circle {
+    stroke            : #f8aa28;
+    stroke-dasharray  : 650;
+    stroke-dashoffset : 650;
+    -webkit-transition: all 0.5s ease-in-out;
+    transition: all 0.5s ease-in-out;
+    opacity           : 0.3;
+}
+
+.playBut {
+    display           : inline-block;
+    transition: all 0.5s ease;
+    -webkit-transition: all 0.5s ease;
+}
+
+.playBut .triangle {
+    -webkit-transition: all 0.7s ease-in-out;
+    transition: all 0.7s ease-in-out;
+    stroke-dasharray  : 240;
+    stroke-dashoffset : 480;
+    stroke            : #FFF;
+    transform         : translateY(0)
+}
+
+.playBut:hover .triangle {
+    stroke-dashoffset: 0;
+    opacity          : 1;
+    stroke           : #f8aa28;
+    animation        : nudge 0.7s ease-in-out;
+
+    @keyframes nudge {
+        0% {
+            transform: translateX(0)
+        }
+
+        30% {
+            transform: translateX(-5px)
+        }
+
+        50% {
+            transform: translateX(5px)
+        }
+
+        70% {
+            transform: translateX(-2px)
+        }
+
+        100% {
+            transform: translateX(0)
+        }
+    }
+}
+
+.playBut:hover .circle {
+    stroke-dashoffset: 0;
+    opacity          : 1;
+}

public/sw.js

@@ -0,0 +1,43 @@
+const filesToCache = [
+    "./",
+    "fonts/VT323-Regular.ttf",
+    "bundle.js",
+    "bundle.js.map",
+    "favicon.ico",
+    "nesBattle.png",
+    "sound/brick.ogg",
+    "sound/explosion.ogg",
+    "sound/gameover.ogg",
+    "sound/gamestart.ogg",
+    "sound/steel.ogg",
+    "styles/main.css",
+    "stages/stage-1.json",
+    "stages/stage-2.json",
+    "stages/stage-3.json",
+    "libs/jquery-3.6.0.min.js"
+]
+
+const cacheName = "battleCity";
+
+self.addEventListener('install', event => {
+    self.skipWaiting();
+    event.waitUntil(
+        caches.open(cacheName).then(cache => cache.addAll(filesToCache))
+    );
+});
+
+self.addEventListener('fetch', event => {
+    event.respondWith (
+        caches.match(event.request).then(response => {
+            if (response) return response;
+            return fetch(event.request)
+                .then(response => {
+                    if (response.ok)
+                        return caches.open(cacheName).then(cache => {
+                            cache.put(event.request.url, response.clone());
+                            return response;
+                        });
+                });
+        })
+    )
+});

rollup.config.js

@@ -7,11 +7,15 @@ import { terser } from 'rollup-plugin-terser';
 const production = !process.env.ROLLUP_WATCH;
 
 export default {
+	external: ["jquery"],
 	input: 'src/main.js',
 	output: {
 		file: 'public/bundle.js',
 		format: 'iife', // immediately-invoked function expression — suitable for <script> tags
-		sourcemap: true
+		sourcemap: true,
+		globals: {
+			jquery: "$"
+		}
 	},
 	plugins: [
 		resolve(), // tells Rollup how to find date-fns in node_modules

src/GameLogic/collisionManager.js

@@ -2,6 +2,7 @@ import { BlockTypeEnum } from "../Blocks/blockTypeEnum";
 import { Constants } from "../constants";
 import { Map } from "../Graphics/Map/map";
 import { Tank } from "../Tanks/tank";
+import { SoundEnum, SoundManager } from "./soundManager";
 
 export class CollisionManager {
     /**
@@ -20,6 +21,14 @@ export class CollisionManager {
     _aiTanks = [];
 
 
+    /**
+     * @param {SoundManager} soundManager 
+     */
+    constructor(soundManager) {
+        this.soundManager = soundManager;
+    }
+
+
     attachMap(map) {
         this._map = map;
     }
@@ -56,6 +65,15 @@ export class CollisionManager {
         if (blockColl) {  
             for (let blockInfo of Array.from(blockColl)) {
                 blockInfo.block.resolveAttack(blockInfo.boxId, direction);
+
+                switch(blockInfo.block.getType()) {
+                    case BlockTypeEnum.Brick:
+                        this.soundManager.playSound(SoundEnum.BrickCollision);
+                        break;
+                    case BlockTypeEnum.Iron: 
+                        this.soundManager.playSound(SoundEnum.SteelCollision);
+                        break;
+                }
             }
             return true;
         }
@@ -67,6 +85,7 @@ export class CollisionManager {
 
         if (collTank && collTank.id != tank.id) {
             collTank.isDestroyed = true;
+            this.soundManager.playSound(SoundEnum.Explosion);
             return true;
         }
         else {

src/GameLogic/gameField.js

@@ -6,6 +6,9 @@ import { MapParser } from "../Graphics/Map/mapParser";
 import { CollisionManager } from "./collisionManager";
 import { AITankManager } from "./../Tanks/aiTankManager";
 import { DirectionEnum } from "../Tanks/directionEnum";
+import { SoundEnum, SoundManager } from "./soundManager";
+
+import $ from 'jquery';
 
 export class GameField {
     constructor(width = 512, height = 512, ctx, canvas) {
@@ -16,9 +19,10 @@ export class GameField {
         this.tileset = null;
         this.map = null;
 
+        this.soundManager = new SoundManager();
 
-        this.collisionManager = new CollisionManager();
-        this.tank = new Tank(Constants.PLAYER_TANK_ID_IMAGE.getValue(), 0, 18*16, this.collisionManager);
+        this.collisionManager = new CollisionManager(this.soundManager);
+        this.tank = new Tank(Constants.PLAYER_TANK_ID_IMAGE.getValue(), 0, 18 * 16, this.collisionManager);
         this.aiTanks = new AITankManager(this.collisionManager);
         this.collisionManager.setMainTank(this.tank);
     }
@@ -55,36 +59,78 @@ export class GameField {
         this.tileset.addTile(386, 0, 28, 28, 200 + DirectionEnum.Down.getValue());
         this.tileset.addTile(452, 0, 28, 28, 200 + DirectionEnum.Right.getValue());
 
-        this.tileset.addTile(512, 8*32, 32, 32, BlockTypeEnum.Explosion1);
-        this.tileset.addTile(544, 8*32, 32, 32, BlockTypeEnum.Explosion2);
-        this.tileset.addTile(576, 8*32, 32, 32, BlockTypeEnum.Explosion3);
+        this.tileset.addTile(512, 8 * 32, 32, 32, BlockTypeEnum.Explosion1);
+        this.tileset.addTile(544, 8 * 32, 32, 32, BlockTypeEnum.Explosion2);
+        this.tileset.addTile(576, 8 * 32, 32, 32, BlockTypeEnum.Explosion3);
 
         await this.tileset.loadAll();
     }
 
-
-    async gameLoop() {
+    async prepareGame(level) {
         if (!this.tileset) {
             await this.setupTileset();
         }
 
-        if (!this.map) {
-            this.map = await new MapParser().getMap(1, this.tileset);
+        this.map = await new MapParser().getMap(level, this.tileset);
         this.canvas.height = this.height;
         this.canvas.width = this.width;
         this.collisionManager.attachMap(this.map);
         this.aiTanks.setCount(this.map._enemiesCount);
     }
 
-        if (this.map.getEagle().isDestroyed()) return;
-        if (this.aiTanks.isAllTanksDied()) return; 
-        if (this.tank.canBeErased()) return;
+    async play(level) {
+        if (!this.tileset || !this.map) {
+            await this.prepareGame(level);
+            $(".text-loading").hide();
+            $(".start-level-button").show();
+
+            $(".start-level-button").on("click", () => {
+                $(".loading").hide();
+                this.soundManager.playSound(SoundEnum.GameStart);
+                requestAnimationFrame(() => this.gameLoop());
+            })
+        }
+    }
+
+    lose() {
+
+        this.soundManager.playSound(SoundEnum.GameOver);
+        requestAnimationFrame(() => this.drawFieldRecursive())
+    }
+
+    win() {
+
+
+        requestAnimationFrame(() => this.drawFieldRecursive())
+    }
+
+
+    async gameLoop() {
+        if (this.map.getEagle().isDestroyed()) {
+            this.lose();
+            return;
+        }
+
+        if (this.aiTanks.isAllTanksDied()) {
+            this.win();
+            return;
+        }
+
+        if (this.tank.canBeErased()) {
+            this.lose();
+            return;
+        }
 
         this.drawField();
 
         requestAnimationFrame(() => this.gameLoop());
     }
 
+    drawFieldRecursive() {
+        this.drawField();
+        requestAnimationFrame(() => this.drawFieldRecursive());
+    }
+
     drawField() {
 
         let lateDraw = [];
@@ -96,10 +142,9 @@ export class GameField {
                     Constants.TILE_SIZE.getValue(), Constants.TILE_SIZE.getValue());
 
                 let element = this.map.getElement(x, y);
-                if (element.getType() == BlockTypeEnum.Forest){
-                    lateDraw.push({element, x, y});
-                } else 
-                {
+                if (element.getType() == BlockTypeEnum.Forest) {
+                    lateDraw.push({ element, x, y });
+                } else {
                     element.draw(this.ctx, x * Constants.TILE_SIZE.getValue(), y * Constants.TILE_SIZE.getValue());
                 }
             }

src/GameLogic/soundManager.js

@@ -0,0 +1,24 @@
+import { Constants } from "../constants";
+
+export class SoundManager {
+    playSound(soundEnum) {
+        if (soundEnum)
+            soundEnum.playSound();
+    }
+}
+
+export class SoundEnum {
+    static BrickCollision = new SoundEnum(Constants.BRICK_SOUND.getValue());
+    static SteelCollision = new SoundEnum(Constants.STEEL_SOUND.getValue());
+    static Explosion = new SoundEnum(Constants.EXPLOSION_SOUND.getValue());
+    static GameOver = new SoundEnum(Constants.GAME_OVER_SOUND.getValue());
+    static GameStart = new SoundEnum(Constants.GAME_START_SOUND.getValue());
+
+    playSound() {
+        this._audio.play();
+    }
+
+    constructor(URL) {
+        this._audio = new Audio(URL);
+    }
+}

src/constants.js

@@ -7,6 +7,12 @@ export class Constants {
 
     static PLAYER_TANK_ID_IMAGE = new Constants(100);
 
+    static BRICK_SOUND = new Constants("sound/brick.ogg");
+    static STEEL_SOUND = new Constants("sound/steel.ogg");
+    static EXPLOSION_SOUND = new Constants("sound/explosion.ogg");
+    static GAME_START_SOUND = new Constants("sound/gamestart.ogg");
+    static GAME_OVER_SOUND = new Constants("sound/gameover.ogg");
+
     constructor(value){
         this._value = value;
     }

src/game.js

@@ -2,12 +2,19 @@ import { GameField } from "./GameLogic/gameField";
 import { TankKeyAdapter } from "./KeyAdapters/tankKeyAdapter";
 
 export function init() {
+    if('serviceWorker' in navigator) {
+        navigator.serviceWorker
+                 .register('./sw.js')
+                 .then(function() { console.log("Service Worker Registered"); });
+    }
+
     const canvas = document.getElementById("canvas");
     const ctx = canvas.getContext("2d");
     if (ctx) {
         const game = new Game(416, 416, ctx, canvas);
         game.start();
     }
+
 }
 
 export class Game {
@@ -43,6 +50,6 @@ export class Game {
         addEventListener("keyup", (ev) => {
             if (prevEv && prevEv.key == ev.key) prevEv = undefined;
         });
-        requestAnimationFrame(() => this.gameField.gameLoop());
+        requestAnimationFrame(() => this.gameField.play(1));
     }
 }