LifeTown Online — browser multiplayer life-sim MVP

- Server-authoritative Node/WS server: sessions, zones (town + instanced homes + public venue interiors), NPC routines, economy, relationships, persistence - TypeScript + Three.js client: character creator, Maple Court district, enterable venues (café, city hall, gym, store, arcade), build mode with 58-item furniture catalog, needs/mood systems, phone UI, day/night + weather, procedural audio - Verified by two-client e2e protocol suite and headless-browser walkthrough
2026-08-23 07:01:24 +00:00
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+// LifeTown Online — JSON-file persistence for player profiles.
+import fs from 'node:fs';
+import path from 'node:path';
+import crypto from 'node:crypto';
+import { fileURLToPath } from 'node:url';
+import { START_MONEY, HOUSES } from '../shared/data.mjs';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const SAVE_DIR = path.join(__dirname, '..', 'saves');
+fs.mkdirSync(SAVE_DIR, { recursive: true });
+
+function sanitizeName(name) {
+  return String(name || '').trim().replace(/[^A-Za-z0-9_\- ]/g, '').slice(0, 20);
+}
+
+export function newProfile(name, appearance) {
+  const safe = sanitizeName(name);
+  return {
+    name: safe,
+    token: crypto.randomBytes(16).toString('hex'),
+    createdAt: Date.now(),
+    appearance,                 // character creator output (client-defined schema)
+    money: START_MONEY,
+    level: 1, xp: 0,            // player level
+    job: null,                  // { id, rank, xp }
+    workLastAt: 0,
+    houseTier: 'studio',        // owned house tier id
+    housesOwned: ['studio'],
+    homeLayout: [],             // [{itemId,x,z,rot}]
+    inventory: [],              // [{itemId}] purchased, not yet placed
+    relationships: {},          // npcId|playerName -> {f,r,status}
+    achievements: [],
+    stats: { shifts: 0, dances: 0, giftsSent: 0 },
+    needs: null,                // client-simulated; stored for continuity
+    moodlets: [],
+  };
+}
+
+export function loadProfile(name) {
+  const safe = sanitizeName(name);
+  const file = path.join(SAVE_DIR, `${safe.toLowerCase()}.json`);
+  try {
+    if (!fs.existsSync(file)) return null;
+    const raw = JSON.parse(fs.readFileSync(file, 'utf8'));
+    if (!raw || raw.name !== safe) return null;
+    // migrate defaults
+    const base = newProfile(safe, raw.appearance || defaultAppearance());
+    const merged = { ...base, ...raw, name: safe };
+    if (!Array.isArray(merged.homeLayout)) merged.homeLayout = [];
+    if (!Array.isArray(merged.inventory)) merged.inventory = [];
+    if (!Array.isArray(merged.achievements)) merged.achievements = [];
+    if (typeof merged.relationships !== 'object' || !merged.relationships) merged.relationships = {};
+    if (typeof merged.stats !== 'object' || !merged.stats) merged.stats = { shifts: 0, dances: 0, giftsSent: 0 };
+    return merged;
+  } catch {
+    return null;
+  }
+}
+
+export function saveProfile(profile) {
+  const file = path.join(SAVE_DIR, `${profile.name.toLowerCase()}.json`);
+  const tmp = file + '.tmp';
+  fs.writeFileSync(tmp, JSON.stringify(profile));
+  fs.renameSync(tmp, file);
+}
+
+export function defaultAppearance() {
+  return {
+    bodyType: 'average', height: 1, skin: '#eab98f', faceShape: 'round',
+    hair: 'short', hairColor: '#4a2f1d', eyes: 'round', eyeColor: '#3a5a40',
+    brows: 'natural', nose: 'button', mouth: 'smile',
+    outfit: { top: 'tee', bottom: 'jeans', dress: null, shoes: 'sneakers', accessory: 'none', topColor: '#4f8fd9', bottomColor: '#33415c' },
+    personality: ['Friendly'], voice: 'warm', age: 25,
+  };
+}
+
+export function findProfileByToken(token) {
+  if (!token || typeof token !== 'string') return null;
+  for (const f of fs.readdirSync(SAVE_DIR)) {
+    if (!f.endsWith('.json')) continue;
+    try {
+      const p = JSON.parse(fs.readFileSync(path.join(SAVE_DIR, f), 'utf8'));
+      if (p.token === token) return p;
+    } catch { /* skip corrupt */ }
+  }
+  return null;
+}
+
+export function listProfileNames() {
+  try {
+    return fs.readdirSync(SAVE_DIR).filter(f => f.endsWith('.json')).map(f => {
+      try { return JSON.parse(fs.readFileSync(path.join(SAVE_DIR, f), 'utf8')).name; } catch { return null; }
+    }).filter(Boolean);
+  } catch { return []; }
+}
+
+export { sanitizeName };