const fs = require('fs');
const util = require('util');
-const execFile = util.promisify(require('child_process').execFile);
-
+const child_process = require('child_process');
+const execFile = util.promisify(child_process.execFile);
const express = require('express');
const app = express();
const session = require('express-session');
const python_path = '/usr/bin/python3'
const generate_image_script = '/home/cworth/src/zombocom-ai/generate-image.py'
+const interpret_cairo_script = '/home/cworth/src/zombocom-ai/interpret-cairo-to-svg.py'
const state_file = 'zombocom-state.json'
const targets_dir = '/srv/cworth.org/zombocom/targets'
const images_dir = '/srv/cworth.org/zombocom/images'
res.sendFile(__dirname + '/index.html');
});
+function bus_app(req, res) {
+ res.sendFile(__dirname + '/bus.html');
+}
+
+app.get('/bus', bus_app);
+app.get('/bus/', bus_app);
+
+const io_bus = io.of("/bus");
+
+io_bus.use(wrap(session_middleware));
+
+var bus_interval = 0;
+
+function start_bus() {
+ const bus = state.bus;
+
+ bus.state = "program";
+
+ // Let all companions know the state of the game
+ io_bus.emit("state", bus.state);
+}
+
+function emit_bus_timer() {
+ const bus = state.bus;
+ io_bus.emit('timer', bus.timer);
+ bus.timer = bus.timer - 1;
+ if (bus.timer < 0) {
+ clearInterval(bus_interval);
+ bus.timer = 30;
+ setTimeout(start_bus, 3000);
+ }
+}
+
+function start_bus_timer() {
+ const bus = state.bus;
+ bus.timer = 3; // XXX: 30 in production
+ emit_bus_timer();
+ bus_interval = setInterval(emit_bus_timer, 1000);
+}
+
+io_bus.on("connection", (socket) => {
+ if (! socket.request.session.name) {
+ console.log("Error: Someone showed up at the Magic School Bus without a name.");
+ return;
+ }
+
+ const name = socket.request.session.name;
+ const bus = state.bus;
+
+ // Let the new user know the state of the bus
+ socket.emit("state", bus.state);
+
+ if (bus.students.count === 0) {
+ start_bus_timer();
+ }
+
+ if (! bus.students.names.includes(name)) {
+ bus.students.count = bus.students.count + 1;
+ io_bus.emit('students', bus.students.count);
+ }
+ bus.students.names.push(name);
+
+ socket.on('run', code => {
+ try {
+ output = child_process.execFileSync(python_path, [interpret_cairo_script, code], { input: code });
+ // Grab just first line of output
+ const nl = output.indexOf("\n");
+ if (nl === -1)
+ nl = undefined;
+ const filename = output.toString().substring(0, nl);
+
+ // Give all clients the new image
+ io_bus.emit('output', filename);
+ } catch (e) {
+ console.log("Error executing turtle script: " + e);
+ }
+ });
+
+ socket.on('jumpstart', () => {
+ const bus = state.bus;
+
+ bus.state = "welcome";
+ io_bus.emit("state", bus.state);
+ io_bus.emit('students', bus.students.count);
+
+ start_bus_timer();
+ });
+
+ socket.on('disconnect', () => {
+ const names = bus.students.names;
+
+ names.splice(names.indexOf(name), 1);
+
+ if (! names.includes(name)) {
+ bus.students.count = bus.students.count - 1;
+ io_bus.emit('students', bus.students.count);
+ }
+ });
+});
+
function tardis_app(req, res) {
- res.sendFile(__dirname + '/tardis.html');
+ if (! req.session.name) {
+ res.sendFile(__dirname + '/tardis-error.html');
+ } else {
+ res.sendFile(__dirname + '/tardis.html');
+ }
}
app.get('/tardis', tardis_app);
}
];
-var show_word_interval;
+var show_word_interval = 0;
function show_word() {
const tardis = state.tardis;
tardis.word = 0;
}
+function start_level() {
+ const tardis = state.tardis;
+
+ // Inform all players of the new level
+ io_tardis.emit("level", levels[tardis.level].title);
+
+ // Then start the timer that shows the words
+ show_word_interval = setInterval(show_word, 1200);
+}
+
+function level_up() {
+ const tardis = state.tardis;
+
+ if (show_word_interval) {
+ clearInterval(show_word_interval);
+ show_word_interval = 0;
+ }
+
+ if (tardis.state === "game") {
+ tardis.level = tardis.level + 1;
+ tardis.word = 0;
+
+ if (tardis.level >= levels.length) {
+ tardis.state = "over";
+ io_tardis.emit("state", tardis.state);
+ } else {
+ setTimeout(() => {
+ start_level();
+ }, 2000);
+ }
+
+ }
+}
+
function start_game() {
const tardis = state.tardis;
// Let all companions know the state of the game
io_tardis.emit("level", levels[tardis.level].title);
io_tardis.emit("state", tardis.state);
- show_word_interval = setInterval(show_word, 1200);
+
+ start_level();
}
function emit_tardis_timer() {
}
}
+function start_welcome_timer() {
+ const tardis = state.tardis;
+ tardis.timer = 30;
+ emit_tardis_timer();
+ tardis_interval = setInterval(emit_tardis_timer, 1000);
+}
+
io_tardis.on("connection", (socket) => {
if (! socket.request.session.name) {
console.log("Error: Someone showed up at the Tardis without a name.");
// Let the new user know the state of the game
socket.emit("state", tardis.state);
+ // And the level if relevant
+ if (tardis.state === "game") {
+ socket.emit("level", levels[tardis.level].title);
+ }
+
// Put each of our boys into a different room
switch (name[0]) {
case 'C':
}
if (tardis.companions.count === 0) {
- tardis.timer = 30;
- emit_tardis_timer();
- tardis_interval = setInterval(emit_tardis_timer, 1000);
+ start_welcome_timer();
}
if (! tardis.companions.names.includes(name)) {
}
tardis.companions.names.push(name);
+ socket.on('answer', answer => {
+ const tardis = state.tardis;
+
+ if (tardis.state != "game") {
+ return;
+ }
+
+ if (answer == levels[tardis.level].answer) {
+ io_tardis.emit('correct');
+ level_up();
+ } else {
+ io_tardis.emit('incorrect');
+ }
+ });
+
+ socket.on('reboot', () => {
+ const tardis = state.tardis;
+
+ if (show_word_interval) {
+ clearInterval(show_word_interval);
+ show_word_interval = 0;
+ }
+
+ tardis.state = "welcome";
+ io_tardis.emit("state", tardis.state);
+ io_tardis.emit('companions', tardis.companions.count);
+
+ start_welcome_timer();
+ });
+
socket.on('disconnect', () => {
const names = tardis.companions.names;