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Added win detection

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This commit is contained in:
Simon Oberzier
2026-02-09 21:31:11 +01:00
parent b5d7d53bdb
commit 54a2e9a800
3 changed files with 215 additions and 204 deletions
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227
public/index.html
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@@ -3,34 +3,38 @@
<head> <head>
<meta charset="UTF-8"> <meta charset="UTF-8">
<title>Wolf & Schafe</title> <title>Wolf & Schafe - Multiplayer</title>
<style> <style>
body { body {
font-family: Arial, sans-serif; font-family: 'Segoe UI', Arial, sans-serif;
background: #f2f2f2; background: #f0f2f5;
text-align: center; text-align: center;
} }
#status { #status {
font-size: 18px; font-size: 20px;
margin-bottom: 15px; font-weight: bold;
margin: 15px;
min-height: 50px;
} }
svg { svg {
background: white; background: white;
border: 2px solid #ccc; border-radius: 8px;
margin: auto; box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
display: block; display: block;
margin: auto;
} }
.node { .node {
cursor: pointer; cursor: pointer;
stroke: #333; stroke: #333;
stroke-width: 2; stroke-width: 2;
transition: all 0.2s;
} }
.empty { .empty {
fill: #ddd; fill: #ecf0f1;
} }
.sheep { .sheep {
@@ -42,157 +46,156 @@
} }
.selected { .selected {
stroke: gold; stroke: #f1c40f;
stroke-width: 6;
}
.possible {
stroke: #2ecc71;
stroke-width: 5; stroke-width: 5;
stroke-dasharray: 5;
} }
text { text {
pointer-events: none; pointer-events: none;
user-select: none;
} }
button { button {
margin: 5px; margin: 10px;
padding: 8px 15px; padding: 10px 20px;
font-size: 16px; font-size: 14px;
cursor: pointer; cursor: pointer;
border: none;
border-radius: 4px;
background: #2c3e50;
color: white;
}
button:hover {
background: #34495e;
} }
</style> </style>
</head> </head>
<body> <body>
<h2 id="role">Verbinde…</h2> <h2 id="roleHeader">Verbinde...</h2>
<div id="status">–</div> <div id="status">Warte auf Mitspieler...</div>
<svg width="600" height="420"></svg> <svg width="600" height="420"></svg>
<button id="restartBtn">🔄 Spiel neu starten</button> <br>
<button id="copyRoomBtn">📋 Raum-Link kopieren</button> <button id="restartBtn">🔄 Neustart</button>
<button id="copyRoomBtn">📋 Link kopieren</button>
<script> <script>
// --- Room handling ---
const params = new URLSearchParams(window.location.search); const params = new URLSearchParams(window.location.search);
let roomId = params.get("room"); // Use room from URL if exists let roomId = params.get("room");
// Prompt user only if no room in URL
if (!roomId) { if (!roomId) {
roomId = prompt("Gib den Raumcode ein oder leer lassen für neuen Raum:"); roomId = prompt("Raumcode eingeben (leer für neuen Raum):") || "";
if (!roomId) roomId = ""; // server will create new room
} }
// --- WebSocket connection ---
const protocol = location.protocol === "https:" ? "wss" : "ws"; 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}`);
const svg = document.querySelector("svg"); const svg = document.querySelector("svg");
let role = null, state = null, selected = null; let myRole = null, state = null, selected = null, currentRoomId = null;
// --- Board and positions ---
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]
};
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: []
};
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] };
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: [] };
const pos = { 0: [100, 210], 1: [200, 110], 2: [200, 210], 3: [200, 310], 4: [300, 110], 5: [300, 210], 6: [300, 310], 7: [400, 110], 8: [400, 210], 9: [400, 310], 10: [500, 210] }; const pos = { 0: [100, 210], 1: [200, 110], 2: [200, 210], 3: [200, 310], 4: [300, 110], 5: [300, 210], 6: [300, 310], 7: [400, 110], 8: [400, 210], 9: [400, 310], 10: [500, 210] };
const edges = [[0, 1], [0, 2], [0, 3], [1, 2], [2, 3], [1, 4], [2, 5], [3, 6], [4, 5], [5, 6], [4, 7], [5, 8], [6, 9], [7, 8], [8, 9], [5, 1], [5, 3], [5, 7], [5, 9], [7, 10], [8, 10], [9, 10]]; const edges = [[0, 1], [0, 2], [0, 3], [1, 2], [2, 3], [1, 4], [2, 5], [3, 6], [4, 5], [5, 6], [4, 7], [5, 8], [6, 9], [7, 8], [8, 9], [5, 1], [5, 3], [5, 7], [5, 9], [7, 10], [8, 10], [9, 10]];
// --- WebSocket events ---
ws.onmessage = e => { ws.onmessage = e => {
const msg = JSON.parse(e.data); const msg = JSON.parse(e.data);
if (msg.type === "role") { if (msg.type === "role") {
role = msg.role; myRole = msg.role;
roomId = msg.roomId; currentRoomId = msg.roomId;
document.getElementById("role").innerText = "Du bist: " + role + " (Raum: " + roomId + ")"; document.getElementById("roleHeader").innerText = `Du bist: ${myRole.toUpperCase()} | Raum: ${currentRoomId}`;
} }
if (msg.type === "state") { state = msg.game; render(); } if (msg.type === "state") {
if (msg.type === "full") { alert("Raum ist voll."); } state = msg.game;
render();
}
if (msg.type === "full") alert("Dieser Raum ist leider voll!");
}; };
// --- Render ---
function render() { function render() {
svg.innerHTML = ""; if (!state) return;
document.getElementById("status").innerText = state.turn === role ? "🟢 Du bist am Zug" : "⏳ Gegner ist am Zug"; svg.innerHTML = "";
// Draw Edges // Update Status UI
edges.forEach(([a, b]) => { const statusEl = document.getElementById("status");
const [x1, y1] = pos[a], [x2, y2] = pos[b]; if (state.winner) {
const line = document.createElementNS("http://www.w3.org/2000/svg", "line"); statusEl.innerHTML = `<span style="color:${state.winner === myRole ? 'green' : 'red'}">SPIEL ENDE: ${state.winner.toUpperCase()} GEWINNT!</span>`;
line.setAttribute("x1", x1); line.setAttribute("y1", y1); } else {
line.setAttribute("x2", x2); line.setAttribute("y2", y2); const turnText = state.turn === myRole ? "🟢 Dein Zug" : "⏳ Gegner zieht...";
line.setAttribute("stroke", "#aaa"); line.setAttribute("stroke-width", "4"); statusEl.innerHTML = `${turnText}<br><small>Zug: ${state.moveCount} / 20</small>`;
svg.appendChild(line);
});
// Draw Nodes
for (let i = 0; i <= 10; i++) {
const [x, y] = pos[i];
let cls = "empty";
if (state.wolf === i) cls = "wolf";
if (state.sheep.includes(i)) cls = "sheep";
const circle = document.createElementNS("http://www.w3.org/2000/svg", "circle");
circle.setAttribute("cx", x); circle.setAttribute("cy", y); circle.setAttribute("r", 26);
// --- HIGHLIGHT LOGIC ---
let isPossibleMove = false;
if (selected !== null) {
const allowed = (role === "wolf") ? board_wolf[selected] : board_sheep[selected];
const isTargetEmpty = (state.wolf !== i && !state.sheep.includes(i));
if (allowed?.includes(i) && isTargetEmpty) {
isPossibleMove = true;
}
}
circle.setAttribute("class", "node " + cls + (selected === i ? " selected" : ""));
// Visual feedback for possible moves
if (isPossibleMove) {
circle.setAttribute("stroke", "lime");
circle.setAttribute("stroke-width", "6");
circle.setAttribute("stroke-dasharray", "4"); // Makes it look like a target
}
circle.onclick = () => handleClick(i);
svg.appendChild(circle);
// Add index numbers
const text = document.createElementNS("http://www.w3.org/2000/svg", "text");
text.setAttribute("x", x); text.setAttribute("y", y + 6);
text.setAttribute("text-anchor", "middle");
text.setAttribute("fill", "white");
text.textContent = i;
svg.appendChild(text);
}
} }
// --- Handle clicks --- // Draw Lines
function handleClick(i) { edges.forEach(([a, b]) => {
if (!state || state.turn !== role) return; const [x1, y1] = pos[a], [x2, y2] = pos[b];
const isMyPiece = (role === "wolf" && state.wolf === i) || (role === "sheep" && state.sheep.includes(i)); const line = document.createElementNS("http://www.w3.org/2000/svg", "line");
if (selected === null) { if (!isMyPiece) return; selected = i; render(); } line.setAttribute("x1", x1); line.setAttribute("y1", y1);
else { ws.send(JSON.stringify({ from: selected, to: i })); selected = null; render(); } 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";
if (state.wolf === i) type = "wolf";
if (state.sheep.includes(i)) type = "sheep";
const isPossible = selected !== null &&
(myRole === "wolf" ? board_wolf[selected] : board_sheep[selected]).includes(i) &&
state.wolf !== i && !state.sheep.includes(i);
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' : ''} ${isPossible ? 'possible' : ''}`);
circle.onclick = () => handleClick(i);
svg.appendChild(circle);
const txt = document.createElementNS("http://www.w3.org/2000/svg", "text");
txt.setAttribute("x", x); txt.setAttribute("y", y + 5);
txt.setAttribute("text-anchor", "middle");
txt.setAttribute("fill", type === "empty" ? "#7f8c8d" : "white");
txt.textContent = i;
svg.appendChild(txt);
}
} }
// --- Restart button --- function handleClick(i) {
document.getElementById("restartBtn").onclick = () => { if (!state || state.turn !== myRole || state.winner) return;
ws.send(JSON.stringify({ type: "restart" }));
selected = null; const isMyPiece = (myRole === "wolf" && state.wolf === i) ||
}; (myRole === "sheep" && state.sheep.includes(i));
if (selected === null) {
if (isMyPiece) { selected = i; render(); }
} else {
if (isMyPiece) {
selected = (selected === i) ? null : i; // Toggle selection
} else {
ws.send(JSON.stringify({ from: selected, to: i }));
selected = null;
}
render();
}
}
document.getElementById("restartBtn").onclick = () => ws.send(JSON.stringify({ type: "restart" }));
// --- Copy room link button ---
document.getElementById("copyRoomBtn").onclick = () => { document.getElementById("copyRoomBtn").onclick = () => {
if (!roomId) return; const url = `${location.origin}${location.pathname}?room=${currentRoomId}`;
const url = `${location.origin}?room=${roomId}`; navigator.clipboard.writeText(url).then(() => alert("Link kopiert!"));
navigator.clipboard.writeText(url)
.then(() => alert("Raum-Link kopiert!"))
.catch(() => alert("Kopieren fehlgeschlagen"));
}; };
</script> </script>
</body> </body>
</html> </html>

178
server.js
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@@ -9,126 +9,134 @@ app.use(express.static("public"));
const server = http.createServer(app); const server = http.createServer(app);
const wss = new WebSocket.Server({ server }); const wss = new WebSocket.Server({ server });
// Define both movement sets // Movement logic: Wolf can move anywhere, Sheep only forward
const board_wolf = { 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], 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], 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] 9:[5,6,8,10], 10:[7,8,9]
}; };
const board_sheep = { const board_sheep = {
0:[1,2,3], 1:[2,4,5], 2:[1,3,5], 3:[2,5,6], 4:[5,7], 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:[] 5:[4,6,7,8,9], 6:[5,9], 7:[8,10], 8:[7,9,10], 9:[8,10], 10:[]
}; };
// Rooms: roomId -> { game, players }
const rooms = {}; const rooms = {};
// Broadcast state to all players in a room
function broadcast(roomId) { function broadcast(roomId) {
const room = rooms[roomId]; const room = rooms[roomId];
if (!room) return; if (!room) return;
const msg = JSON.stringify({ type:"state", game: room.game }); const msg = JSON.stringify({ type: "state", game: room.game });
room.players.forEach(p => { room.players.forEach(p => {
if(p.ws.readyState === WebSocket.OPEN) p.ws.send(msg); if (p.ws.readyState === WebSocket.OPEN) p.ws.send(msg);
}); });
} }
// Select the correct allowed moves based on role function checkWinConditions(game) {
function handleMove(roomId, role, {from, to}) { // 1. Wolf reaches node 0
if (game.wolf === 0) return "wolf";
// 2. Turn limit (20 moves)
if (game.moveCount >= 20) return "wolf";
// Mobility Check helpers
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]; const room = rooms[roomId];
if(!room) return; if (!room || room.game.winner) return;
const game = room.game; const game = room.game;
if(game.turn !== role) return; if (game.turn !== role) return;
// Select the correct allowed moves based on role const allowed = (role === "wolf") ? board_wolf[from] : board_sheep[from];
const allowedMoves = (role === "wolf") ? board_wolf[from] : board_sheep[from]; if (!allowed?.includes(to)) return;
if (game.sheep.includes(to) || game.wolf === to) return;
if(!allowedMoves?.includes(to)) return; if (role === "wolf") {
if(game.sheep.includes(to) || game.wolf === to) return; if (from !== game.wolf) return;
game.wolf = to;
if(role === "wolf") { game.turn = "sheep";
if(from !== game.wolf) return;
game.wolf = to;
game.turn = "sheep";
} else { } else {
const i = game.sheep.indexOf(from); const i = game.sheep.indexOf(from);
if(i === -1) return; if (i === -1) return;
game.sheep[i] = to; game.sheep[i] = to;
game.turn = "wolf"; game.turn = "wolf";
} }
game.moveCount++;
game.winner = checkWinConditions(game);
broadcast(roomId); broadcast(roomId);
} }
// Heartbeat wss.on("connection", (ws, req) => {
function heartbeat() { this.isAlive = true; }
wss.on("connection", (ws, req) => { // Added 'req' parameter
ws.isAlive = true; ws.isAlive = true;
ws.on("pong", heartbeat); ws.on("pong", () => ws.isAlive = true);
// Use req.url to get the query string
const urlParams = new URLSearchParams(req.url.split('?')[1]); const urlParams = new URLSearchParams(req.url.split('?')[1]);
let roomId = urlParams.get("room"); let roomId = urlParams.get("room");
// Logic for creating or joining // Room creation/joining logic
if (!roomId || !rooms[roomId]) { if (!roomId || !rooms[roomId]) {
// If no ID provided, or the provided ID doesn't exist, create a NEW one if (!roomId) roomId = randomBytes(3).toString("hex");
// UNLESS you want people to be able to create specific room names:
if (!roomId) roomId = randomBytes(3).toString("hex");
if (!rooms[roomId]) {
rooms[roomId] = { rooms[roomId] = {
game: { wolf: 5, sheep: [0, 1, 3], turn: "sheep" }, game: { wolf: 5, sheep: [0, 1, 3], turn: "sheep", moveCount: 0, winner: null },
players: [] players: []
}; };
}
} }
const room = rooms[roomId]; const room = rooms[roomId];
if (room.players.length >= 2) {
// Reject if room full ws.send(JSON.stringify({ type: "full" }));
if(room.players.length >= 2){ ws.close();
ws.send(JSON.stringify({type:"full"})); return;
ws.close();
return;
}
const role = room.players.length === 0 ? "sheep" : "wolf";
room.players.push({ ws, role, roomId });
// Send role + room info
ws.send(JSON.stringify({ type:"role", role, roomId }));
broadcast(roomId);
ws.on("message", msg=>{
let data;
try{ data = JSON.parse(msg); } catch{return;}
if(data.type==="restart"){
room.game = { wolf:5, sheep:[0,1,3], turn:"sheep" };
broadcast(roomId);
return;
} }
handleMove(roomId, role, data); const role = room.players.length === 0 ? "sheep" : "wolf";
}); room.players.push({ ws, role });
ws.on("close", ()=>{ ws.send(JSON.stringify({ type: "role", role, roomId }));
room.players = room.players.filter(p => p.ws !== ws); broadcast(roomId);
if(room.players.length === 0) delete rooms[roomId]; // cleanup empty rooms
}); ws.on("message", msg => {
let data;
try { data = JSON.parse(msg); } catch { return; }
if (data.type === "restart") {
room.game = { wolf: 5, sheep: [0, 1, 3], turn: "sheep", moveCount: 0, winner: null };
broadcast(roomId);
return;
}
handleMove(roomId, role, data);
});
ws.on("close", () => {
room.players = room.players.filter(p => p.ws !== ws);
if (room.players.length === 0) delete rooms[roomId];
});
}); });
// Ping-pong to prevent idle disconnect setInterval(() => {
const interval = setInterval(()=>{ wss.clients.forEach(ws => {
wss.clients.forEach(ws=>{ if (!ws.isAlive) return ws.terminate();
if(!ws.isAlive) return ws.terminate(); ws.isAlive = false;
ws.isAlive = false; ws.ping();
ws.ping(); });
});
}, 30000); }, 30000);
server.on("close", ()=>clearInterval(interval)); server.listen(3030, () => console.log("Server läuft auf Port 3030"));
server.listen(3030, ()=>console.log("Server läuft auf Port 3030"));

0
start.sh Normal file → Executable file
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