757 lines
25 KiB
JavaScript
757 lines
25 KiB
JavaScript
/**
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* Socket Client Module
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* Handles WebSocket communication for receiving text fragments and game state
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*/
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import { BaseModule } from './base-module.js';
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class SocketClientModule extends BaseModule {
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constructor() {
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super('socket-client', 'Socket Client');
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// Dependencies
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this.dependencies = ['text-buffer', 'markup-parser', 'story-history'];
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this.socket = null;
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this.textBuffer = null;
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this.storyHistory = null;
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this.isConnected = false;
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this.reconnectAttempts = 0;
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this.maxReconnectAttempts = 5;
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this.reconnectDelay = 2000;
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this.url = null;
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this.eventListeners = {};
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this.defaultHost = 'localhost:3000';
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this.receivedBlockCounter = 0;
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this.receivedParagraphCounter = 0;
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// Bind methods using parent's bindMethods utility
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this.bindMethods([
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'connect',
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'disconnect',
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'send',
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'sendCommand',
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'callGameApi',
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'newGame',
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'loadGame',
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'saveGame',
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'chooseChoice',
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'hasSaveGame',
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'getSaveGames',
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'isGameRunning',
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'requestStartGame',
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'requestSaveGame',
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'requestLoadGame',
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'on',
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'off',
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'emitEvent',
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'setupGameEventHandlers',
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'processTurnResult',
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'processParagraphResult',
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'storeAndQueueBlocks',
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'normalizeHistoryBlock',
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'dispatchTurnTags',
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'isTimedCueTag',
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'cueMarkersFromTags',
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'dispatchChoices',
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'dispatchInputMode',
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'isStructuralTag',
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'blocksFromTags',
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'enqueueStructuredBlock',
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'parseImageTagOptions',
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'parseSfxTagOptions',
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'parseMusicTagOptions',
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'resolveAssetUrl',
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'looksLikeAssetPath',
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'attemptReconnect',
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'getConnectionStatus',
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'loadSocketIO'
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]);
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}
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/**
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* Load Socket.IO client library
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* @returns {Promise<void>}
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*/
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loadSocketIO() {
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// Use parent's loadScript method
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return this.loadScript('/socket.io/socket.io.js');
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}
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/**
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* Initialize the module
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* @returns {Promise<boolean>} - Resolves with success status
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*/
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async initialize() {
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try {
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this.reportProgress(10, "Initializing Socket Client");
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// Dynamically load Socket.IO client if not already loaded
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if (!window.io) {
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this.reportProgress(20, "Loading Socket.IO client");
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await this.loadSocketIO();
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this.reportProgress(30, "Socket.IO client loaded");
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}
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// Get text buffer using parent's getModule method
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this.textBuffer = this.getModule('text-buffer');
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if (!this.textBuffer) {
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console.error("Socket Client: Failed to get text-buffer module");
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return false;
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}
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this.storyHistory = this.getModule('story-history');
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if (!this.storyHistory) {
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console.error("Socket Client: Failed to get story-history module");
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return false;
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}
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this.reportProgress(50, "Setting up connection parameters");
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// Use the current origin for the socket connection
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const currentUrl = window.location.origin;
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console.log(`Socket Client: Using origin for connection: ${currentUrl}`);
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this.url = currentUrl;
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this.reportProgress(100, "Socket client initialized");
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return true;
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} catch (error) {
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console.error("Error initializing Socket Client:", error);
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return false;
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}
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}
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/**
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* Connect to the Socket.IO server
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* @param {string} url - Optional custom WebSocket URL
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* @returns {Promise<boolean>} - Resolves with connection success
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*/
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connect(url = null) {
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return new Promise((resolve) => {
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if (this.isConnected) {
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resolve(true);
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return;
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}
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// Use provided URL or default
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const socketUrl = url || this.url;
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try {
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console.log(`Socket Client: Connecting to ${socketUrl}`);
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// Create Socket.IO connection (will automatically use /socket.io endpoint)
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this.socket = window.io(socketUrl, {
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reconnection: false, // We handle reconnection ourselves
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transports: ['polling', 'websocket']
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});
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this.socket.on('connect', () => {
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console.log('Socket Client: Connected to server with ID:', this.socket.id);
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this.isConnected = true;
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this.reconnectAttempts = 0;
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this.emitEvent('connect');
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resolve(true);
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});
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this.socket.on('disconnect', (reason) => {
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console.log(`Socket Client: Connection closed: ${reason}`);
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this.isConnected = false;
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this.emitEvent('disconnect', reason);
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this.attemptReconnect();
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resolve(false);
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});
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this.socket.on('connect_error', (error) => {
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console.error('Socket Client: Connection error:', error);
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this.emitEvent('connect_error', error);
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resolve(false);
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});
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// Set up game-specific event handlers
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this.setupGameEventHandlers();
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} catch (error) {
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console.error('Socket Client: Connection error:', error);
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this.emitEvent('connect_error', error);
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resolve(false);
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}
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});
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}
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/**
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* Set up event handlers for game-specific Socket.IO events
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*/
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setupGameEventHandlers() {
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if (!this.socket) return;
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// Map all incoming Socket.IO events to our internal event system
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this.socket.onAny((event, ...args) => {
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console.log(`Socket Client: Received ${event} event from server`, args);
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this.emitEvent(event, args[0]);
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});
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// Special handling for narrative text
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this.socket.on('narrativeResponse', (data) => {
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this.processTurnResult(data);
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});
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this.socket.on('gameConfig', (data) => {
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document.dispatchEvent(new CustomEvent('game:config', {
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detail: data
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}));
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});
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}
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async processTurnResult(data) {
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if (!data) return;
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const turnId = Number(data.turnId);
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if (!Number.isInteger(turnId) || turnId < 1 || !Array.isArray(data.paragraphs)) {
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console.error('Socket Client: Invalid TurnResult received', data);
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return;
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}
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if (turnId === 1) {
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this.receivedBlockCounter = 0;
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this.receivedParagraphCounter = 0;
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}
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if (Array.isArray(data.globalTags) && data.globalTags.length > 0) {
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document.dispatchEvent(new CustomEvent('story:global-tags', {
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detail: data.globalTags
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}));
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}
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document.dispatchEvent(new CustomEvent('story:turn-start', {
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detail: { turnId, turn: data }
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}));
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let pendingParagraph = {
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role: null,
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cueTags: []
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};
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const turnBlocks = [];
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data.paragraphs.forEach((paragraph) => {
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const result = this.processParagraphResult(paragraph, turnId, pendingParagraph);
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pendingParagraph = result.pendingParagraph;
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turnBlocks.push(...result.blocks);
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});
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await this.storeAndQueueBlocks(turnBlocks);
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const choices = Array.isArray(data.choices) ? data.choices : [];
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const inputMode = data.inputMode || (choices.length > 0 ? 'choice' : 'text');
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this.dispatchChoices(choices);
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this.dispatchInputMode(inputMode);
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if (turnBlocks.length === 0 && choices.length > 0) {
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document.dispatchEvent(new CustomEvent('story:process-state', {
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detail: { state: 'ready', reason: 'choice-only-turn', turnId }
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}));
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}
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}
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dispatchTurnTags(tags, paragraph = null) {
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if (!Array.isArray(tags)) return;
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tags.forEach((tag) => {
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if (!tag || !tag.key) return;
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document.dispatchEvent(new CustomEvent('story:tag', {
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detail: {
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...tag,
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paragraph
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}
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}));
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});
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}
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dispatchChoices(choices) {
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document.dispatchEvent(new CustomEvent('story:choices', {
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detail: choices
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}));
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}
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dispatchInputMode(inputMode) {
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const mode = ['text', 'choice', 'end'].includes(inputMode) ? inputMode : 'text';
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document.dispatchEvent(new CustomEvent('story:input-mode', {
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detail: mode
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}));
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}
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processParagraphResult(paragraph, turnId, pendingParagraph = null) {
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const pending = pendingParagraph && typeof pendingParagraph === 'object'
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? pendingParagraph
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: { role: pendingParagraph || null, cueTags: [] };
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const tags = Array.isArray(paragraph?.tags) ? paragraph.tags : [];
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const { blocks, paragraphRole } = this.blocksFromTags(tags, turnId);
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const text = String(paragraph?.text || '').trim();
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const cueTags = tags.filter(tag => this.isTimedCueTag(tag));
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const immediateTags = tags.filter(tag => !this.isStructuralTag(tag) && !this.isTimedCueTag(tag));
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this.dispatchTurnTags(immediateTags, paragraph);
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if (!text) {
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return {
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blocks,
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pendingParagraph: {
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role: paragraphRole || pending.role || null,
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cueTags: [
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...(Array.isArray(pending.cueTags) ? pending.cueTags : []),
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...cueTags
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]
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}
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};
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}
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const role = pending.role || paragraphRole || 'body';
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const cueMarkers = [
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...(Array.isArray(paragraph.cueMarkers) ? paragraph.cueMarkers : []),
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...this.cueMarkersFromTags([
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...(Array.isArray(pending.cueTags) ? pending.cueTags : []),
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...cueTags
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])
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];
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blocks.push({
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type: 'paragraph',
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text,
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layoutText: paragraph.layoutText || text,
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cueMarkers,
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role,
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isFirstParagraphInChapter: role === 'chapter-first' || role === 'textblock-first',
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dropCap: role === 'chapter-first',
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addTopSpace: role === 'textblock-first',
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turnId
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});
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return { blocks, pendingParagraph: { role: null, cueTags: [] } };
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}
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async storeAndQueueBlocks(blocks = []) {
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if (!Array.isArray(blocks) || blocks.length === 0) return;
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if (!this.storyHistory) {
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this.storyHistory = this.getModule('story-history');
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}
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const normalizedBlocks = blocks.map(block => this.normalizeHistoryBlock(block));
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let records = normalizedBlocks;
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if (this.storyHistory && typeof this.storyHistory.recordBlocks === 'function') {
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records = await this.storyHistory.recordBlocks(normalizedBlocks);
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document.dispatchEvent(new CustomEvent('story:history-updated', {
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detail: {
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gameId: this.storyHistory.currentGameId || null,
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latestBlockId: this.storyHistory.nextBlockId - 1
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}
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}));
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} else {
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console.warn('Socket Client: Story history unavailable; queueing unstored blocks');
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}
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records.forEach(block => this.enqueueStructuredBlock(block));
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}
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normalizeHistoryBlock(block) {
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const type = String(block?.type || 'paragraph');
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this.receivedBlockCounter += 1;
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const normalized = {
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...block,
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type,
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id: block.id || `${type}-${block.turnId || 'turn'}-${this.receivedBlockCounter}`
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};
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if (type === 'paragraph') {
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normalized.paragraphIndex = Number.isInteger(block.paragraphIndex)
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? block.paragraphIndex
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: this.receivedParagraphCounter;
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this.receivedParagraphCounter += 1;
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}
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return normalized;
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}
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isStructuralTag(tag) {
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const key = String(tag?.key || '').toLowerCase();
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return ['chapter', 'heading', 'section', 'textblock', 'image', 'music'].includes(key);
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}
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isTimedCueTag(tag) {
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const key = String(tag?.key || '').toLowerCase();
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return ['sfx', 'sound', 'audio'].includes(key);
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}
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cueMarkersFromTags(tags) {
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if (!Array.isArray(tags)) return [];
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return tags
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.filter(tag => this.isTimedCueTag(tag))
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.map(tag => {
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const filename = String(tag?.value || tag?.filename || '').trim();
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if (!filename) return null;
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const options = this.parseSfxTagOptions(tag?.param || tag?.options || '');
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return {
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type: 'sfx',
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...options,
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filename,
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url: this.resolveAssetUrl('sounds', filename),
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wordIndex: 0,
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charIndex: 0
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};
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})
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.filter(Boolean);
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}
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blocksFromTags(tags, turnId = null) {
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const result = {
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blocks: [],
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paragraphRole: null
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};
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if (!Array.isArray(tags)) return result;
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tags.forEach((tag) => {
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const key = String(tag?.key || '').toLowerCase();
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const value = String(tag?.value || '').trim();
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const param = String(tag?.param || tag?.options || '').trim();
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if ((key === 'chapter' || key === 'heading') && value) {
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result.blocks.push({
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type: 'heading',
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text: value,
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layoutText: value,
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role: 'chapter-heading',
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turnId
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});
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result.paragraphRole = 'chapter-first';
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} else if (key === 'section' || key === 'textblock') {
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result.blocks.push({
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type: 'heading',
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text: value || '* * *',
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layoutText: value || '* * *',
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role: 'section-heading',
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turnId
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});
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result.paragraphRole = 'textblock-first';
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} else if (key === 'image') {
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let filename = value;
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let optionText = param;
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if (this.looksLikeAssetPath(param) && value && !this.looksLikeAssetPath(value)) {
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filename = param;
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optionText = value;
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}
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if (!filename) return;
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const options = this.parseImageTagOptions(optionText);
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const chapterOpening = result.paragraphRole === 'chapter-first';
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result.blocks.push({
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type: 'image',
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...options,
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floatSide: chapterOpening && String(options.size || '').toLowerCase() === 'portrait' ? 'right' : 'left',
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chapterOpening,
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filename,
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url: this.resolveAssetUrl('images', filename),
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turnId
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});
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} else if (key === 'music') {
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let filename = value;
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let optionText = param;
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if (this.looksLikeAssetPath(param) && value && !this.looksLikeAssetPath(value)) {
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filename = param;
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optionText = value;
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}
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if (!filename) return;
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const options = this.parseMusicTagOptions(optionText);
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const leadInSeconds = Number(options.leadInSeconds);
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result.blocks.push({
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type: 'music',
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...options,
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leadInSeconds: Number.isFinite(leadInSeconds) ? leadInSeconds : 0,
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leadIn: Number.isFinite(leadInSeconds) ? leadInSeconds : 0,
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pause: Number.isFinite(leadInSeconds) ? leadInSeconds : 0,
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filename,
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url: this.resolveAssetUrl('music', filename),
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turnId
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});
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}
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});
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return result;
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}
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enqueueStructuredBlock(block) {
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if (!block) return;
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if (!this.textBuffer) {
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this.textBuffer = this.getModule('text-buffer');
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}
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if (this.textBuffer && typeof this.textBuffer.addBlock === 'function') {
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console.log(`Socket Client: Queueing ${block.type} block`);
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document.dispatchEvent(new CustomEvent('story:process-state', {
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detail: { state: 'waiting-generating', reason: 'server-response-received' }
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}));
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this.textBuffer.addBlock(block);
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return;
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}
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console.error('Socket Client: Text buffer not available for structured block', block);
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}
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parseImageTagOptions(optionText) {
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const parser = this.getModule('markup-parser');
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if (parser && typeof parser.parseImageOptions === 'function') {
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return parser.parseImageOptions(optionText);
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}
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return { size: 'landscape', leadInSeconds: 0 };
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}
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parseSfxTagOptions(optionText) {
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const parser = this.getModule('markup-parser');
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if (parser && typeof parser.parseSfxOptions === 'function') {
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return parser.parseSfxOptions(optionText);
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}
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return { maxDurationSeconds: 0, endMode: 'stop', fadeDurationSeconds: 2 };
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}
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parseMusicTagOptions(optionText) {
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const parser = this.getModule('markup-parser');
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if (parser && typeof parser.parseMusicOptions === 'function') {
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return parser.parseMusicOptions(optionText);
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}
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return { mode: 'crossfade', loop: true, leadInSeconds: 0 };
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}
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resolveAssetUrl(kind, filename) {
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const parser = this.getModule('markup-parser');
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if (parser && typeof parser.resolveAssetUrl === 'function') {
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return parser.resolveAssetUrl(kind, filename);
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}
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const root = kind === 'images' ? '/images/' : kind === 'music' ? '/music/' : '/sounds/';
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const safeName = String(filename || '').replace(/\\/g, '/').replace(/^\/+/, '');
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if (!safeName || safeName.includes('..') || /^[a-z]+:/i.test(safeName)) {
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return '';
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}
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return root + safeName.split('/').map(encodeURIComponent).join('/');
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}
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looksLikeAssetPath(value) {
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return /[./\\]/.test(String(value || '')) || /\.(png|jpe?g|gif|webp|svg|ogg|mp3|wav|m4a|flac)$/i.test(String(value || ''));
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}
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/**
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* Attempt to reconnect to the server
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*/
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attemptReconnect() {
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if (this.reconnectAttempts >= this.maxReconnectAttempts) {
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console.error('Socket Client: Max reconnect attempts reached');
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return;
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}
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this.reconnectAttempts++;
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const delay = this.reconnectDelay * this.reconnectAttempts;
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console.log(`Socket Client: Attempting to reconnect in ${delay}ms (attempt ${this.reconnectAttempts})`);
|
|
|
|
setTimeout(() => {
|
|
if (!this.isConnected) {
|
|
this.connect();
|
|
}
|
|
}, delay);
|
|
}
|
|
|
|
/**
|
|
* Disconnect from the server
|
|
*/
|
|
disconnect() {
|
|
if (this.socket && this.isConnected) {
|
|
this.socket.disconnect();
|
|
this.isConnected = false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Send a message to the server
|
|
* @param {Object|string} data - Data to send
|
|
* @returns {boolean} - Success status
|
|
*/
|
|
send(data) {
|
|
if (!this.isConnected || !this.socket) {
|
|
console.error('Socket Client: Not connected');
|
|
return false;
|
|
}
|
|
|
|
try {
|
|
// For Socket.IO we send structured events
|
|
if (typeof data === 'object') {
|
|
const { type, ...restData } = data;
|
|
if (type) {
|
|
// Use the type as the event name
|
|
this.socket.emit(type, restData);
|
|
} else {
|
|
// Default to 'message' event
|
|
this.socket.emit('message', data);
|
|
}
|
|
} else {
|
|
// Plain strings go to 'message' event
|
|
this.socket.emit('message', { text: data });
|
|
}
|
|
return true;
|
|
} catch (error) {
|
|
console.error('Socket Client: Error sending message:', error);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Send a command to the server
|
|
* @param {string} command - The player's command
|
|
* @returns {boolean} - Success status
|
|
*/
|
|
sendCommand(command) {
|
|
if (!this.isConnected || !this.socket) {
|
|
console.error('Socket Client: Not connected, cannot send command');
|
|
return false;
|
|
}
|
|
|
|
try {
|
|
this.socket.emit('playerCommand', { command });
|
|
document.dispatchEvent(new CustomEvent('story:process-state', {
|
|
detail: { state: 'command-waiting', reason: 'command-sent', command }
|
|
}));
|
|
return true;
|
|
} catch (error) {
|
|
console.error('Socket Client: Error sending command:', error);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
async callGameApi(method, args = []) {
|
|
if (!this.isConnected || !this.socket) {
|
|
const connected = await this.connect();
|
|
if (!connected || !this.socket) {
|
|
return { success: false, error: 'not_connected' };
|
|
}
|
|
}
|
|
|
|
return new Promise((resolve) => {
|
|
if (!this.socket) {
|
|
resolve({ success: false, error: 'not_connected' });
|
|
return;
|
|
}
|
|
|
|
this.socket.emit('gameApi', { method, args }, (response) => {
|
|
resolve(response || { success: false, error: 'empty_response' });
|
|
});
|
|
});
|
|
}
|
|
|
|
newGame() {
|
|
return this.callGameApi('newGame', []);
|
|
}
|
|
|
|
loadGame(slot = 1, savedState = null) {
|
|
return this.callGameApi('loadGame', savedState ? [slot, savedState] : [slot]);
|
|
}
|
|
|
|
saveGame(slot = 1) {
|
|
return this.callGameApi('saveGame', [slot]);
|
|
}
|
|
|
|
chooseChoice(choiceIndex) {
|
|
return this.callGameApi('chooseChoice', [choiceIndex]);
|
|
}
|
|
|
|
hasSaveGame(slot = 1) {
|
|
return this.callGameApi('hasSaveGame', [slot]);
|
|
}
|
|
|
|
getSaveGames() {
|
|
return this.callGameApi('getSaveGames', []);
|
|
}
|
|
|
|
isGameRunning() {
|
|
return this.callGameApi('isGameRunning', []);
|
|
}
|
|
|
|
/**
|
|
* Request to start a new game
|
|
* @returns {boolean} - Success status
|
|
*/
|
|
requestStartGame() {
|
|
this.newGame();
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Request to save the current game state
|
|
* @returns {boolean} - Success status
|
|
*/
|
|
requestSaveGame() {
|
|
this.saveGame(1);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Request to load a saved game state
|
|
* @returns {boolean} - Success status
|
|
*/
|
|
requestLoadGame() {
|
|
this.loadGame(1);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Register an event handler
|
|
* @param {string} event - Event name
|
|
* @param {Function} callback - Event callback
|
|
*/
|
|
on(event, callback) {
|
|
if (!this.eventListeners[event]) {
|
|
this.eventListeners[event] = [];
|
|
}
|
|
this.eventListeners[event].push(callback);
|
|
}
|
|
|
|
/**
|
|
* Remove an event handler
|
|
* @param {string} event - Event name
|
|
* @param {Function} callback - Event callback to remove
|
|
*/
|
|
off(event, callback) {
|
|
if (!this.eventListeners[event]) return;
|
|
|
|
if (callback) {
|
|
// Remove specific callback
|
|
this.eventListeners[event] = this.eventListeners[event].filter(cb => cb !== callback);
|
|
} else {
|
|
// Remove all callbacks for this event
|
|
delete this.eventListeners[event];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Emit an event to all registered listeners
|
|
* @param {string} event - Event name
|
|
* @param {*} data - Event data
|
|
*/
|
|
emitEvent(event, data) {
|
|
if (!this.eventListeners[event]) return;
|
|
|
|
for (const callback of this.eventListeners[event]) {
|
|
try {
|
|
callback(data);
|
|
} catch (error) {
|
|
console.error(`Socket Client: Error in '${event}' event handler:`, error);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if the socket is connected
|
|
* @returns {boolean} - Connection status
|
|
*/
|
|
getConnectionStatus() {
|
|
return this.isConnected;
|
|
}
|
|
}
|
|
|
|
// Create the singleton instance
|
|
const SocketClient = new SocketClientModule();
|
|
|
|
// Export the module
|
|
export { SocketClient };
|