smo/WolfSheepGame
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Persistant rooms

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This commit is contained in:
Simon Oberzier
2026-02-09 22:13:02 +01:00
parent b56f728e28
commit a917d0d2aa
2 changed files with 57 additions and 60 deletions
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46
public/index.html
View File

@@ -75,6 +75,14 @@
button:hover {
background: #34495e;
}
#exitBtn {
background: #e74c3c;
}
#exitBtn:hover {
background: #c0392b;
}
</style>
</head>
@@ -86,8 +94,16 @@
<br>
<button id="restartBtn">🔄 Neustart</button>
<button id="copyRoomBtn">📋 Link kopieren</button>
<button id="exitBtn">🚪 Raum verlassen</button>
<script>
// Session Management
let sessionId = localStorage.getItem("game_session_id");
if (!sessionId) {
sessionId = Math.random().toString(36).substring(2) + Date.now().toString(36);
localStorage.setItem("game_session_id", sessionId);
}
const params = new URLSearchParams(window.location.search);
let roomId = params.get("room");
@@ -96,7 +112,7 @@
}
const protocol = location.protocol === "https:" ? "wss" : "ws";
const ws = new WebSocket(`${protocol}://${location.host}?room=${roomId}`);
const ws = new WebSocket(`${protocol}://${location.host}?room=${roomId}&sessionId=${sessionId}`);
const svg = document.querySelector("svg");
let myRole = null, state = null, selected = null, currentRoomId = null;
@@ -112,19 +128,17 @@
myRole = msg.role;
currentRoomId = msg.roomId;
document.getElementById("roleHeader").innerText = `Du bist: ${myRole.toUpperCase()} | Raum: ${currentRoomId}`;
if (!params.has("room")) {
window.history.replaceState({}, '', `?room=${currentRoomId}`);
}
if (msg.type === "state") {
state = msg.game;
render();
}
if (msg.type === "state") { state = msg.game; render(); }
if (msg.type === "full") alert("Dieser Raum ist leider voll!");
};
function render() {
if (!state) return;
svg.innerHTML = "";
// Update Status UI
const statusEl = document.getElementById("status");
if (state.winner) {
statusEl.innerHTML = `<span style="color:${state.winner === myRole ? 'green' : 'red'}">SPIEL ENDE: ${state.winner.toUpperCase()} GEWINNT!</span>`;
@@ -133,17 +147,14 @@
statusEl.innerHTML = `${turnText}<br><small>Zug: ${state.moveCount} / 40</small>`;
}
// Draw Lines
edges.forEach(([a, b]) => {
const [x1, y1] = pos[a], [x2, y2] = pos[b];
const line = document.createElementNS("http://www.w3.org/2000/svg", "line");
line.setAttribute("x1", x1); line.setAttribute("y1", y1);
line.setAttribute("x2", x2); line.setAttribute("y2", y2);
line.setAttribute("x1", x1); line.setAttribute("y1", y1); line.setAttribute("x2", x2); line.setAttribute("y2", y2);
line.setAttribute("stroke", "#bdc3c7"); line.setAttribute("stroke-width", "3");
svg.appendChild(line);
});
// Draw Nodes
for (let i = 0; i <= 10; i++) {
const [x, y] = pos[i];
let type = "empty";
@@ -157,7 +168,6 @@
const circle = document.createElementNS("http://www.w3.org/2000/svg", "circle");
circle.setAttribute("cx", x); circle.setAttribute("cy", y); circle.setAttribute("r", 25);
circle.setAttribute("class", `node ${type} ${selected === i ? 'selected' : ''} ${isPossible ? 'possible' : ''}`);
circle.onclick = () => handleClick(i);
svg.appendChild(circle);
@@ -172,15 +182,12 @@
function handleClick(i) {
if (!state || state.turn !== myRole || state.winner) return;
const isMyPiece = (myRole === "wolf" && state.wolf === i) ||
(myRole === "sheep" && state.sheep.includes(i));
const isMyPiece = (myRole === "wolf" && state.wolf === i) || (myRole === "sheep" && state.sheep.includes(i));
if (selected === null) {
if (isMyPiece) { selected = i; render(); }
} else {
if (isMyPiece) {
selected = (selected === i) ? null : i; // Toggle selection
selected = (selected === i) ? null : i;
} else {
ws.send(JSON.stringify({ from: selected, to: i }));
selected = null;
@@ -190,11 +197,16 @@
}
document.getElementById("restartBtn").onclick = () => ws.send(JSON.stringify({ type: "restart" }));
document.getElementById("copyRoomBtn").onclick = () => {
const url = `${location.origin}${location.pathname}?room=${currentRoomId}`;
navigator.clipboard.writeText(url).then(() => alert("Link kopiert!"));
};
document.getElementById("exitBtn").onclick = () => {
if (confirm("Möchtest du den Raum verlassen?")) {
ws.send(JSON.stringify({ type: "leave" }));
window.location.href = window.location.pathname;
}
};
</script>
</body>

65
server.js
View File

@@ -9,16 +9,15 @@ app.use(express.static("public"));
const server = http.createServer(app);
const wss = new WebSocket.Server({ server });
// Movement logic: Wolf can move anywhere, Sheep only forward
const board_wolf = {
0:[1,2,3], 1:[0,2,4,5], 2:[0,1,3,5], 3:[0,2,5,6], 4:[1,5,7],
5:[1,2,3,4,6,7,8,9], 6:[3,5,9], 7:[4,5,8,10], 8:[5,7,9,10],
9:[5,6,8,10], 10:[7,8,9]
0: [1, 2, 3], 1: [0, 2, 4, 5], 2: [0, 1, 3, 5], 3: [0, 2, 5, 6], 4: [1, 5, 7],
5: [1, 2, 3, 4, 6, 7, 8, 9], 6: [3, 5, 9], 7: [4, 5, 8, 10], 8: [5, 7, 9, 10],
9: [5, 6, 8, 10], 10: [7, 8, 9]
};
const board_sheep = {
0:[1,2,3], 1:[2,4,5], 2:[1,3,5], 3:[2,5,6], 4:[5,7],
5:[4,6,7,8,9], 6:[5,9], 7:[8,10], 8:[7,9,10], 9:[8,10], 10:[]
0: [1, 2, 3], 1: [2, 4, 5], 2: [1, 3, 5], 3: [2, 5, 6], 4: [5, 7],
5: [4, 6, 7, 8, 9], 6: [5, 9], 7: [8, 10], 8: [7, 9, 10], 9: [8, 10], 10: []
};
const rooms = {};
@@ -28,39 +27,27 @@ function broadcast(roomId) {
if (!room) return;
const msg = JSON.stringify({ type: "state", game: room.game });
room.players.forEach(p => {
if (p.ws.readyState === WebSocket.OPEN) p.ws.send(msg);
if (p.ws && p.ws.readyState === WebSocket.OPEN) p.ws.send(msg);
});
}
function checkWinConditions(game) {
// 1. Wolf reaches node 0
if (game.wolf === 0) return "wolf";
// 2. Turn limit (40 moves)
if (game.moveCount >= 40) return "wolf";
// Mobility Check helpers
const canWolfMove = board_wolf[game.wolf].some(to =>
!game.sheep.includes(to)
);
const canWolfMove = board_wolf[game.wolf].some(to => !game.sheep.includes(to));
const canSheepMove = game.sheep.some(from =>
board_sheep[from].some(to => to !== game.wolf && !game.sheep.includes(to))
);
// 3. Wolf trapped
if (!canWolfMove) return "sheep";
// 4. Sheep cannot move
if (!canSheepMove && game.turn === "sheep") return "wolf";
return null;
}
function handleMove(roomId, role, { from, to }) {
const room = rooms[roomId];
if (!room || room.game.winner) return;
const game = room.game;
if (game.turn !== role) return;
@@ -78,20 +65,16 @@ function handleMove(roomId, role, { from, to }) {
game.sheep[i] = to;
game.turn = "wolf";
}
game.moveCount++;
game.winner = checkWinConditions(game);
broadcast(roomId);
}
wss.on("connection", (ws, req) => {
ws.isAlive = true;
ws.on("pong", () => ws.isAlive = true);
const urlParams = new URLSearchParams(req.url.split('?')[1]);
let roomId = urlParams.get("room");
let sessionId = urlParams.get("sessionId");
// Room creation/joining logic
if (!roomId || !rooms[roomId]) {
if (!roomId) roomId = randomBytes(3).toString("hex");
rooms[roomId] = {
@@ -101,16 +84,23 @@ wss.on("connection", (ws, req) => {
}
const room = rooms[roomId];
if (room.players.length >= 2) {
let player = room.players.find(p => p.sessionId === sessionId);
if (!player && room.players.length >= 2) {
ws.send(JSON.stringify({ type: "full" }));
ws.close();
return;
}
if (player) {
player.ws = ws; // Re-attach new socket to existing session
} else {
const role = room.players.length === 0 ? "sheep" : "wolf";
room.players.push({ ws, role });
player = { ws, role, sessionId };
room.players.push(player);
}
ws.send(JSON.stringify({ type: "role", role, roomId }));
ws.send(JSON.stringify({ type: "role", role: player.role, roomId }));
broadcast(roomId);
ws.on("message", msg => {
@@ -120,23 +110,18 @@ wss.on("connection", (ws, req) => {
if (data.type === "restart") {
room.game = { wolf: 5, sheep: [0, 1, 3], turn: "sheep", moveCount: 0, winner: null };
broadcast(roomId);
return;
} else if (data.type === "leave") {
room.players = room.players.filter(p => p.sessionId !== sessionId);
if (room.players.length === 0) delete rooms[roomId];
ws.close();
} else {
handleMove(roomId, player.role, data);
}
handleMove(roomId, role, data);
});
ws.on("close", () => {
room.players = room.players.filter(p => p.ws !== ws);
if (room.players.length === 0) delete rooms[roomId];
// We don't remove the player here so they can reconnect on refresh
});
});
setInterval(() => {
wss.clients.forEach(ws => {
if (!ws.isAlive) return ws.terminate();
ws.isAlive = false;
ws.ping();
});
}, 30000);
server.listen(3030, () => console.log("Server läuft auf Port 3030"));