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README.md
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README.md
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# gpt-bomber
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# GPT Bomber
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GPT codex written bomberman clone
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A fully original Bomberman-style browser game built from scratch.
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## Features
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- Grid-based bomb combat with chain reactions
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- Destructible crates and hidden powerups (bomb, flame, speed)
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- 3 CPU opponents with survival + attack behavior
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- Original visual assets (logo, characters, tiles, icons) in local SVG files
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- Original procedural audio (looping music + SFX) synthesized with Web Audio
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- Keyboard and controller support
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- Startup menu with mode selection (`Single Player` / `Multiplayer`) and music toggle
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- Multiplayer name setting from menu (`Name: ...`) with local persistence
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- Multiplayer lobby with host-controlled start (can start with 1-4 players)
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- After each multiplayer round, host can start the next round directly (no lobby required)
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- Host-authoritative multiplayer sync via WebSocket backend
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## Run
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Install dependencies and run the backend server:
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```bash
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npm install
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npm start
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```
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Then open:
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```text
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http://localhost:8080
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```
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## Controls
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- Move: `WASD` or `Arrow Keys`
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- Bomb: `Space` or `Enter`
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- Menu: `Esc` / `P`
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- Menu Select: `Enter` / `Space`
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- Controller: `D-pad` move, `A` bomb/select, `Start` open menu
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## Multiplayer Notes
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- For LAN/internet play, run the server on a reachable machine and open `http://<server-ip>:8080` from each client.
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- The first active lobby player becomes host and can start with fewer than 4 players.
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41
assets/logo/neon-bomber.svg
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|
||||
<rect x="13" y="13" width="38" height="38" rx="5" fill="#c8deee" opacity="0.45"/>
|
||||
<path d="M12 24H52M12 40H52M24 12V52M40 12V52" stroke="#233948" stroke-width="2" opacity="0.45"/>
|
||||
</svg>
|
||||
|
After Width: | Height: | Size: 571 B |
19
index.html
Normal file
19
index.html
Normal file
@ -0,0 +1,19 @@
|
||||
<!doctype html>
|
||||
<html lang="en">
|
||||
<head>
|
||||
<meta charset="UTF-8" />
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
|
||||
<title>GPT Bomber</title>
|
||||
<link rel="stylesheet" href="styles.css" />
|
||||
</head>
|
||||
<body>
|
||||
<div class="page-bg"></div>
|
||||
<main class="layout">
|
||||
<section class="game-shell">
|
||||
<canvas id="game" width="720" height="624" aria-label="GPT Bomber game board"></canvas>
|
||||
</section>
|
||||
</main>
|
||||
|
||||
<script type="module" src="src/game.js"></script>
|
||||
</body>
|
||||
</html>
|
||||
36
package-lock.json
generated
Normal file
36
package-lock.json
generated
Normal file
@ -0,0 +1,36 @@
|
||||
{
|
||||
"name": "gpt-bomber",
|
||||
"version": "1.0.0",
|
||||
"lockfileVersion": 3,
|
||||
"requires": true,
|
||||
"packages": {
|
||||
"": {
|
||||
"name": "gpt-bomber",
|
||||
"version": "1.0.0",
|
||||
"dependencies": {
|
||||
"ws": "^8.18.0"
|
||||
}
|
||||
},
|
||||
"node_modules/ws": {
|
||||
"version": "8.19.0",
|
||||
"resolved": "https://registry.npmjs.org/ws/-/ws-8.19.0.tgz",
|
||||
"integrity": "sha512-blAT2mjOEIi0ZzruJfIhb3nps74PRWTCz1IjglWEEpQl5XS/UNama6u2/rjFkDDouqr4L67ry+1aGIALViWjDg==",
|
||||
"license": "MIT",
|
||||
"engines": {
|
||||
"node": ">=10.0.0"
|
||||
},
|
||||
"peerDependencies": {
|
||||
"bufferutil": "^4.0.1",
|
||||
"utf-8-validate": ">=5.0.2"
|
||||
},
|
||||
"peerDependenciesMeta": {
|
||||
"bufferutil": {
|
||||
"optional": true
|
||||
},
|
||||
"utf-8-validate": {
|
||||
"optional": true
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
13
package.json
Normal file
13
package.json
Normal file
@ -0,0 +1,13 @@
|
||||
{
|
||||
"name": "gpt-bomber",
|
||||
"version": "1.0.0",
|
||||
"private": true,
|
||||
"description": "GPT Bomber browser game with internet multiplayer backend",
|
||||
"main": "server.js",
|
||||
"scripts": {
|
||||
"start": "node server.js"
|
||||
},
|
||||
"dependencies": {
|
||||
"ws": "^8.18.0"
|
||||
}
|
||||
}
|
||||
328
server.js
Normal file
328
server.js
Normal file
@ -0,0 +1,328 @@
|
||||
const http = require("http");
|
||||
const fs = require("fs");
|
||||
const path = require("path");
|
||||
const crypto = require("crypto");
|
||||
const { WebSocketServer } = require("ws");
|
||||
|
||||
const PORT = Number(process.env.PORT || 8080);
|
||||
const MAX_PLAYERS = 4;
|
||||
const ROOT = __dirname;
|
||||
|
||||
const CONTENT_TYPES = {
|
||||
".html": "text/html; charset=utf-8",
|
||||
".js": "text/javascript; charset=utf-8",
|
||||
".css": "text/css; charset=utf-8",
|
||||
".svg": "image/svg+xml",
|
||||
".json": "application/json; charset=utf-8",
|
||||
".png": "image/png",
|
||||
".jpg": "image/jpeg",
|
||||
".jpeg": "image/jpeg",
|
||||
".ico": "image/x-icon",
|
||||
};
|
||||
|
||||
const clientsBySocket = new Map();
|
||||
const clientsById = new Map();
|
||||
|
||||
const lobby = {
|
||||
phase: "lobby", // lobby | game
|
||||
players: [], // [{id,name,joinedAt,lastSeenAt}]
|
||||
hostId: null,
|
||||
roster: [], // active game roster [{id,name,joinedAt}]
|
||||
};
|
||||
|
||||
function now() {
|
||||
return Date.now();
|
||||
}
|
||||
|
||||
function makeId() {
|
||||
return crypto.randomUUID ? crypto.randomUUID() : `${now()}-${Math.floor(Math.random() * 1e6)}`;
|
||||
}
|
||||
|
||||
function defaultName(id) {
|
||||
return `P-${id.slice(0, 4).toUpperCase()}`;
|
||||
}
|
||||
|
||||
function normalizeName(value, fallback) {
|
||||
if (typeof value !== "string") {
|
||||
return fallback;
|
||||
}
|
||||
const normalized = value
|
||||
.replace(/\s+/g, " ")
|
||||
.trim()
|
||||
.slice(0, 20);
|
||||
return normalized || fallback;
|
||||
}
|
||||
|
||||
function safePath(urlPath) {
|
||||
const clean = decodeURIComponent(urlPath.split("?")[0]);
|
||||
const target = clean === "/" ? "/index.html" : clean;
|
||||
const resolved = path.resolve(ROOT, `.${target}`);
|
||||
if (!resolved.startsWith(ROOT)) {
|
||||
return null;
|
||||
}
|
||||
return resolved;
|
||||
}
|
||||
|
||||
function send(ws, payload) {
|
||||
if (ws.readyState === ws.OPEN) {
|
||||
ws.send(JSON.stringify(payload));
|
||||
}
|
||||
}
|
||||
|
||||
function broadcast(payload, filterFn = null) {
|
||||
for (const [ws, client] of clientsBySocket.entries()) {
|
||||
if (filterFn && !filterFn(client)) {
|
||||
continue;
|
||||
}
|
||||
send(ws, payload);
|
||||
}
|
||||
}
|
||||
|
||||
function normalizePlayers(players) {
|
||||
return [...players]
|
||||
.sort((a, b) => a.joinedAt - b.joinedAt)
|
||||
.map((p) => ({ id: p.id, name: p.name, joinedAt: p.joinedAt }));
|
||||
}
|
||||
|
||||
function ensureHost() {
|
||||
if (lobby.players.length === 0) {
|
||||
lobby.hostId = null;
|
||||
return;
|
||||
}
|
||||
const hasHost = lobby.players.some((p) => p.id === lobby.hostId);
|
||||
if (!hasHost) {
|
||||
lobby.hostId = normalizePlayers(lobby.players)[0].id;
|
||||
}
|
||||
}
|
||||
|
||||
function broadcastLobbyState(reason = null) {
|
||||
ensureHost();
|
||||
broadcast({
|
||||
type: "lobby_state",
|
||||
phase: lobby.phase,
|
||||
hostId: lobby.hostId,
|
||||
players: normalizePlayers(lobby.players),
|
||||
reason,
|
||||
});
|
||||
}
|
||||
|
||||
function endMatch(reason = "Match ended") {
|
||||
lobby.phase = "lobby";
|
||||
lobby.roster = [];
|
||||
broadcastLobbyState(reason);
|
||||
}
|
||||
|
||||
function startMatch() {
|
||||
const ordered = normalizePlayers(lobby.players);
|
||||
if (ordered.length < 1) {
|
||||
return;
|
||||
}
|
||||
lobby.phase = "game";
|
||||
lobby.roster = ordered.slice(0, MAX_PLAYERS);
|
||||
broadcast({
|
||||
type: "lobby_start",
|
||||
hostId: lobby.hostId,
|
||||
roster: lobby.roster,
|
||||
});
|
||||
}
|
||||
|
||||
function removePlayer(clientId) {
|
||||
lobby.players = lobby.players.filter((p) => p.id !== clientId);
|
||||
|
||||
if (lobby.phase === "game") {
|
||||
const inRoster = lobby.roster.some((p) => p.id === clientId);
|
||||
if (inRoster) {
|
||||
endMatch("A player disconnected. Back to lobby.");
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
ensureHost();
|
||||
broadcastLobbyState();
|
||||
}
|
||||
|
||||
function addOrRefreshPlayer(client) {
|
||||
const existing = lobby.players.find((p) => p.id === client.id);
|
||||
if (existing) {
|
||||
existing.lastSeenAt = now();
|
||||
existing.name = client.name;
|
||||
return;
|
||||
}
|
||||
|
||||
lobby.players.push({
|
||||
id: client.id,
|
||||
name: client.name,
|
||||
joinedAt: now(),
|
||||
lastSeenAt: now(),
|
||||
});
|
||||
|
||||
ensureHost();
|
||||
}
|
||||
|
||||
function handleMessage(client, msg) {
|
||||
if (!msg || typeof msg !== "object" || typeof msg.type !== "string") {
|
||||
return;
|
||||
}
|
||||
|
||||
if (msg.type === "hello") {
|
||||
client.name = normalizeName(msg.name, client.name);
|
||||
send(client.ws, { type: "welcome", clientId: client.id, name: client.name });
|
||||
return;
|
||||
}
|
||||
|
||||
if (msg.type === "set_name") {
|
||||
client.name = normalizeName(msg.name, client.name);
|
||||
const existing = lobby.players.find((p) => p.id === client.id);
|
||||
if (existing) {
|
||||
existing.name = client.name;
|
||||
existing.lastSeenAt = now();
|
||||
if (lobby.phase === "game") {
|
||||
const inRoster = lobby.roster.find((p) => p.id === client.id);
|
||||
if (inRoster) {
|
||||
inRoster.name = client.name;
|
||||
}
|
||||
}
|
||||
broadcastLobbyState();
|
||||
}
|
||||
send(client.ws, { type: "welcome", clientId: client.id, name: client.name });
|
||||
return;
|
||||
}
|
||||
|
||||
if (msg.type === "lobby_join") {
|
||||
addOrRefreshPlayer(client);
|
||||
broadcastLobbyState();
|
||||
return;
|
||||
}
|
||||
|
||||
if (msg.type === "lobby_leave") {
|
||||
removePlayer(client.id);
|
||||
return;
|
||||
}
|
||||
|
||||
if (msg.type === "lobby_start") {
|
||||
if (lobby.phase !== "lobby") {
|
||||
return;
|
||||
}
|
||||
if (client.id !== lobby.hostId) {
|
||||
send(client.ws, { type: "error", message: "Only the host can start the match." });
|
||||
return;
|
||||
}
|
||||
startMatch();
|
||||
return;
|
||||
}
|
||||
|
||||
if (msg.type === "player_input") {
|
||||
if (lobby.phase !== "game") {
|
||||
return;
|
||||
}
|
||||
if (client.id === lobby.hostId) {
|
||||
return;
|
||||
}
|
||||
const hostClient = clientsById.get(lobby.hostId);
|
||||
if (!hostClient) {
|
||||
return;
|
||||
}
|
||||
send(hostClient.ws, {
|
||||
type: "player_input",
|
||||
playerId: client.id,
|
||||
input: msg.input || { dir: null, bomb: false },
|
||||
ts: now(),
|
||||
});
|
||||
return;
|
||||
}
|
||||
|
||||
if (msg.type === "game_snapshot") {
|
||||
if (lobby.phase !== "game") {
|
||||
return;
|
||||
}
|
||||
if (client.id !== lobby.hostId) {
|
||||
return;
|
||||
}
|
||||
const rosterIds = new Set(lobby.roster.map((p) => p.id));
|
||||
broadcast(
|
||||
{
|
||||
type: "game_snapshot",
|
||||
snapshot: msg.snapshot,
|
||||
ts: now(),
|
||||
},
|
||||
(target) => rosterIds.has(target.id) && target.id !== lobby.hostId,
|
||||
);
|
||||
return;
|
||||
}
|
||||
|
||||
if (msg.type === "ping") {
|
||||
addOrRefreshPlayer(client);
|
||||
}
|
||||
}
|
||||
|
||||
const server = http.createServer((req, res) => {
|
||||
const filePath = safePath(req.url || "/");
|
||||
if (!filePath) {
|
||||
res.writeHead(403).end("Forbidden");
|
||||
return;
|
||||
}
|
||||
|
||||
fs.readFile(filePath, (err, data) => {
|
||||
if (err) {
|
||||
res.writeHead(404, { "Content-Type": "text/plain; charset=utf-8" });
|
||||
res.end("Not Found");
|
||||
return;
|
||||
}
|
||||
const ext = path.extname(filePath).toLowerCase();
|
||||
const type = CONTENT_TYPES[ext] || "application/octet-stream";
|
||||
res.writeHead(200, { "Content-Type": type });
|
||||
res.end(data);
|
||||
});
|
||||
});
|
||||
|
||||
const wss = new WebSocketServer({ noServer: true });
|
||||
|
||||
server.on("upgrade", (req, socket, head) => {
|
||||
if (req.url !== "/ws") {
|
||||
socket.destroy();
|
||||
return;
|
||||
}
|
||||
|
||||
wss.handleUpgrade(req, socket, head, (ws) => {
|
||||
wss.emit("connection", ws, req);
|
||||
});
|
||||
});
|
||||
|
||||
wss.on("connection", (ws) => {
|
||||
const id = makeId();
|
||||
const client = {
|
||||
id,
|
||||
name: defaultName(id),
|
||||
ws,
|
||||
};
|
||||
|
||||
clientsBySocket.set(ws, client);
|
||||
clientsById.set(client.id, client);
|
||||
|
||||
send(ws, { type: "welcome", clientId: client.id, name: client.name });
|
||||
|
||||
ws.on("message", (data) => {
|
||||
let msg;
|
||||
try {
|
||||
msg = JSON.parse(data.toString());
|
||||
} catch {
|
||||
return;
|
||||
}
|
||||
handleMessage(client, msg);
|
||||
});
|
||||
|
||||
ws.on("close", () => {
|
||||
clientsBySocket.delete(ws);
|
||||
clientsById.delete(client.id);
|
||||
removePlayer(client.id);
|
||||
});
|
||||
|
||||
ws.on("error", () => {
|
||||
// no-op
|
||||
});
|
||||
});
|
||||
|
||||
server.listen(PORT, () => {
|
||||
// eslint-disable-next-line no-console
|
||||
console.log(`GPT Bomber server running on http://0.0.0.0:${PORT}`);
|
||||
});
|
||||
2405
src/game.js
Normal file
2405
src/game.js
Normal file
File diff suppressed because it is too large
Load Diff
75
styles.css
Normal file
75
styles.css
Normal file
@ -0,0 +1,75 @@
|
||||
:root {
|
||||
--bg-1: #08131d;
|
||||
--bg-2: #14293a;
|
||||
--panel: #102132cc;
|
||||
--panel-border: #6ec5ff66;
|
||||
--text: #ecf6ff;
|
||||
--accent: #ffd166;
|
||||
--danger: #ff6b6b;
|
||||
}
|
||||
|
||||
* {
|
||||
box-sizing: border-box;
|
||||
}
|
||||
|
||||
body {
|
||||
margin: 0;
|
||||
min-height: 100vh;
|
||||
min-height: 100dvh;
|
||||
font-family: "Trebuchet MS", "Segoe UI", sans-serif;
|
||||
color: var(--text);
|
||||
background: linear-gradient(145deg, var(--bg-1), var(--bg-2));
|
||||
position: relative;
|
||||
overflow: hidden;
|
||||
}
|
||||
|
||||
.page-bg {
|
||||
position: fixed;
|
||||
inset: 0;
|
||||
pointer-events: none;
|
||||
background-image:
|
||||
radial-gradient(circle at 12% 18%, #3f95d433 0%, transparent 30%),
|
||||
radial-gradient(circle at 84% 80%, #ffd1662c 0%, transparent 28%),
|
||||
repeating-linear-gradient(
|
||||
0deg,
|
||||
transparent,
|
||||
transparent 36px,
|
||||
#ffffff08 36px,
|
||||
#ffffff08 37px
|
||||
);
|
||||
}
|
||||
|
||||
.layout {
|
||||
width: 100%;
|
||||
min-height: 100vh;
|
||||
min-height: 100dvh;
|
||||
margin: 0;
|
||||
padding: 0;
|
||||
position: relative;
|
||||
display: flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
}
|
||||
|
||||
.game-shell {
|
||||
margin: 0;
|
||||
position: relative;
|
||||
background: #0f1c2a;
|
||||
border: 2px solid var(--panel-border);
|
||||
border-radius: 0;
|
||||
box-shadow: 0 10px 24px #00000055;
|
||||
width: 100vw;
|
||||
height: 100vh;
|
||||
height: 100dvh;
|
||||
overflow: hidden;
|
||||
display: flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
}
|
||||
|
||||
canvas {
|
||||
display: block;
|
||||
width: min(100vw, calc(100dvh * 15 / 13));
|
||||
height: min(100dvh, calc(100vw * 13 / 15));
|
||||
aspect-ratio: 15 / 13;
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user