Initial commit

client/src/network/protocol.ts

@@ -0,0 +1,149 @@
+import { z } from 'zod';
+
+export const itemSchema = z.object({
+  id: z.string(),
+  type: z.enum(['radio_station', 'dice']),
+  title: z.string(),
+  x: z.number().int(),
+  y: z.number().int(),
+  createdBy: z.string(),
+  createdAt: z.number().int(),
+  updatedAt: z.number().int(),
+  version: z.number().int(),
+  capabilities: z.array(z.string()),
+  useSound: z.string().optional(),
+  params: z.record(z.string(), z.unknown()),
+  carrierId: z.string().nullable().optional(),
+});
+
+export const welcomeMessageSchema = z.object({
+  type: z.literal('welcome'),
+  id: z.string(),
+  users: z.array(
+    z.object({
+      id: z.string(),
+      nickname: z.string(),
+      x: z.number().int(),
+      y: z.number().int(),
+    }),
+  ),
+  items: z.array(itemSchema).optional(),
+});
+
+export const signalMessageSchema = z.object({
+  type: z.literal('signal'),
+  senderId: z.string(),
+  senderNickname: z.string().optional(),
+  x: z.number().int().optional(),
+  y: z.number().int().optional(),
+  targetId: z.string().optional(),
+  sdp: z.any().optional(),
+  ice: z.any().optional(),
+});
+
+export const updatePositionSchema = z.object({
+  type: z.literal('update_position'),
+  id: z.string(),
+  x: z.number().int(),
+  y: z.number().int(),
+});
+
+export const updateNicknameSchema = z.object({
+  type: z.literal('update_nickname'),
+  id: z.string(),
+  nickname: z.string().min(1).max(32),
+});
+
+export const userLeftSchema = z.object({
+  type: z.literal('user_left'),
+  id: z.string(),
+});
+
+export const chatMessageSchema = z.object({
+  type: z.literal('chat_message'),
+  message: z.string(),
+  senderId: z.string().optional(),
+  senderNickname: z.string().optional(),
+  system: z.boolean().optional(),
+});
+
+export const pongSchema = z.object({
+  type: z.literal('pong'),
+  clientSentAt: z.number().int(),
+});
+
+export const nicknameResultSchema = z.object({
+  type: z.literal('nickname_result'),
+  accepted: z.boolean(),
+  requestedNickname: z.string(),
+  effectiveNickname: z.string(),
+  reason: z.string().optional(),
+});
+
+export const itemUpsertSchema = z.object({
+  type: z.literal('item_upsert'),
+  item: itemSchema,
+});
+
+export const itemRemoveSchema = z.object({
+  type: z.literal('item_remove'),
+  itemId: z.string(),
+});
+
+export const itemActionResultSchema = z.object({
+  type: z.literal('item_action_result'),
+  ok: z.boolean(),
+  action: z.enum(['add', 'pickup', 'drop', 'delete', 'use', 'update']),
+  message: z.string(),
+  itemId: z.string().optional(),
+});
+
+export const itemUseSoundSchema = z.object({
+  type: z.literal('item_use_sound'),
+  itemId: z.string(),
+  sound: z.string(),
+  x: z.number().int(),
+  y: z.number().int(),
+});
+
+export const incomingMessageSchema = z.discriminatedUnion('type', [
+  welcomeMessageSchema,
+  signalMessageSchema,
+  updatePositionSchema,
+  updateNicknameSchema,
+  userLeftSchema,
+  chatMessageSchema,
+  pongSchema,
+  nicknameResultSchema,
+  itemUpsertSchema,
+  itemRemoveSchema,
+  itemActionResultSchema,
+  itemUseSoundSchema,
+]);
+
+export type IncomingMessage = z.infer<typeof incomingMessageSchema>;
+
+export type OutgoingMessage =
+  | { type: 'signal'; targetId: string; sdp?: RTCSessionDescriptionInit; ice?: RTCIceCandidateInit }
+  | { type: 'update_position'; x: number; y: number }
+  | { type: 'update_nickname'; nickname: string }
+  | { type: 'chat_message'; message: string }
+  | { type: 'ping'; clientSentAt: number }
+  | { type: 'item_add'; itemType: 'radio_station' | 'dice' }
+  | { type: 'item_pickup'; itemId: string }
+  | { type: 'item_drop'; itemId: string; x: number; y: number }
+  | { type: 'item_delete'; itemId: string }
+  | { type: 'item_use'; itemId: string }
+  | {
+      type: 'item_update';
+      itemId: string;
+      title?: string;
+      params?: Record<string, unknown>;
+    };
+
+export type RemoteUser = {
+  id: string;
+  nickname: string;
+  x: number;
+  y: number;
+};