275 lines
8 KiB
JavaScript
275 lines
8 KiB
JavaScript
/* struct equipe
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{
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"id" : string,
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"pos" : [lat : float, long : float],
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"state" : {
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"shown" : bool,
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"tracker" : bool,
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"npc" : bool
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}
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}
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Les messages à transmettre par le client :
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- position, HTTP "/log?id=%ID&lat=%LAT&lon=%LON"
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- code(code)
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- (vieux) changeState (state)
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Les messages à transmettre par le serveur :
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- moving(id, color, position)
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- (vieux) newState(state)
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*/
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// require = include
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var http = require('https');//require('http');
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var url = require('url');
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var fs = require('fs');
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var config = require('./config.js');
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// Textes d'interaction avec les conscrits
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var PWD_TRACKED = "tracked";
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var PWD_TRACKER = "tracker";
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var PWD_INVISIBLE = "invisible";
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var MSG_BAD = "Code Incorrect";
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var MSG_TRACKED = "Vous êtes maintenant traqué.e.s !"
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var MSG_TRACKER = "Vous pouvez maintenant traquer !";
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var MSG_INVISIBLE = "Les autres équipes ne peuvent plus vous voir !";
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var invisible_delay = 10000;// 3*60*1000;
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var equipes = {};
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var invisi = {};
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console.log("Setup http server");
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const option = {
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key: fs.readFileSync(config.key),
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cert: fs.readFileSync(config.cert)
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};
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// The server
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var server = http.createServer(option, function(req, res){
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var q = url.parse(req.url, true);
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var filename = "static" + q.pathname;
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if(q.pathname.includes(".."))
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filename = "static/dotdot.html";
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if(q.pathname.startsWith("/tracking/")){
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id = q.pathname.substring("/tracking/".length);
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//TODO validator for the id
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return fs.readFile("static/tracking/conscrit.html", 'utf8', function(err, data){
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if(err)
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throw new Error("where conscrit.html is !?");
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res.writeHead(200, {'Content-Type': 'text/html'});
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res.write(data.replaceAll("%ID", id));
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return res.end();
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});
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}
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if(q.pathname == "/log"){
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//position logging
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console.log("team " + q.query.id + " moved to (" + q.query.lat + "," + q.query.lon + ")");
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if(!(q.query.id in equipes))
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equipes[q.query.id] = default_team(q.query.id);
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equipes[q.query.id].pos = [q.query.lat, q.query.lon];
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emit_update(q.query.id);
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//return empty page
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res.writeHead(200, {'Content-Type': 'text/html'});
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return res.end();
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}
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fs.readFile(filename, function(err, data) {
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if (err) {
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console.log("404: ", q.pathname, filename);
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res.writeHead(404, {'Content-Type': 'text/html'});
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return res.end("404 Not Found");
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}
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res.writeHead(200, {'Content-Type': 'text/html'});
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res.write(data);
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return res.end();
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});
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});
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console.log("Setup io server");
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const { Server } = require("socket.io");
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var io = new Server(server);
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/////////////////
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// Tracking room
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//
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// Everyone in this room is located
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// sub-rooms :
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// * "npc" room for non-player
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// * "%ID" room of a team
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//
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// To join :
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// auth = {
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// type = "conscrit" | "vieux",
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// id = "%ID"
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// }
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// "conscrit" are classical player, "vieux" are npcs (they can become tracker when needed)
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var tracking = io.to("Tracking");
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/////////////////
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// Admin room
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//
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// Room for admins
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// To join :
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// auth = {
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// type = "Admin"
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// }
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var admin = io.to("Admin");
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// visible color of a team
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function color(team){
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if(!team.state.shown) return 2;
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if(team.state.tracker) return 1;
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if(team.state.npc != 0) return 2 + team.state.npc;
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return 0;
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}
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// apparent information of a team, for other only
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function apparent_info(equipe){
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if(equipe.state.shown){
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return {"id": equipe.id, "color": color(equipe), "position": equipe.pos};
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} else {
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return {"id": equipe.id, "color": color(equipe), "position": [0,0]};
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}
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}
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function emit_update(team_id) {
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var equipe = equipes[team_id];
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tracking.except(team_id).emit('moving', apparent_info(equipe));
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// the team and the admins always have the real informations
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admin.to(team_id).emit('moving', {"id": team_id, "color": color(equipe), "position": equipe.pos});
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}
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// produces a team object populated with default values
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function default_team(team_id) {
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var equipe = {};
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var state = {};
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state.shown = true;
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state.tracker = false;
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state.npc = 0;
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equipe.state = state;
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equipe.pos = [0,0];
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equipe.id = team_id;
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return equipe;
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}
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// connect a socket to the room corresponding to its team and send it infos
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function team_join(team, socket){
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socket.join(team.id);
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var state = team.state;
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if(state.npc != 0) socket.join("npc");
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socket.emit('moving', {"id": team.id, "color": color(team), "position": team.pos});
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for(other_id in equipes)
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if(other_id != team.id)
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socket.emit('moving', apparent_info(equipes[other_id]));
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}
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console.log("Setup handlers");
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io.on('connection', function(socket){
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if(socket.handshake.auth.type == "conscrit" ||
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socket.handshake.auth.type == "vieux") {
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var id = socket.handshake.auth.id;
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console.log("connection of " + id + " !");
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socket.join("Tracking");
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if(!(id in equipes))
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equipes[id] = default_team(id);
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var equipe = equipes[id]
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team_join(equipe, socket);
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socket.on("code", function(d){
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var code = d.code;
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if(code == PWD_TRACKER){
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equipe.state.tracker = true;
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io.to(id).emit('popup', {"content": MSG_TRACKER});
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emit_update(id);
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} else if((code in invisi) && invisi[code]){
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invisi[code] = false;
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equipe.state.shown = false;
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io.to(id).emit('popup', {"content": MSG_INVISIBLE});
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emit_update(id);
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setTimeout(function(eq){
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eq.state.shown = true;
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emit_update(eq.id);
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}, invisible_delay, equipe);
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} else {
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socket.emit('popup', {"content": MSG_BAD});
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return;
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}
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});
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}
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if(socket.handshake.auth.type == "vieux"){
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var id = socket.handshake.auth.id;
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var equipe = equipes[id]
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socket.on('changeState', function(d){
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equipe.state = d;
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io.to(id).emit('newState', d);
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emit_update(id);
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});
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socket.emit('newState', equipe.state);
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}
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if(socket.handshake.auth.type == "Admin"){
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socket.join("Admin");
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socket.on('newCode', function(d){
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invisi[d.code] = true;
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});
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socket.on('popup', function(d){
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tracking.emit('popup', {"content": d.content});
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});
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socket.on('newTracker', function(d){
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io.emit('newTracker', d);
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});
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for(i in equipes){
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var equipe = equipes[i];
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socket.emit('moving', {"id": equipe.id, "color": color(equipe), "position": equipe.pos});
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}
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}
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//ici essentiellement tout est a refaire
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// socket.on('message', function(d){
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// d.content = d.content.toLowerCase();
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// if(d.content == PWD_TRACKED){
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// d.color = 0;
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// socket.emit('popup', {"content": MSG_TRACKED});
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// } else if(d.content == PWD_TRACKER){
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// d.color = 1;
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// socket.emit('popup', {"content": MSG_TRACKER});
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// } else if(d.content == PWD_INVISIBLE){
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// d.color = -1;
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// socket.emit('popup', {"content": MSG_INVISIBLE});
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// } else
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// socket.color = d.color - 0;
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// if(d.color == -1)
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// socket.shown = false;
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// else{
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// if(!socket.shown)
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// for(i in equipes)
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// equipes[i].emit('moving', {"id": socket.id, "position": socket.position});
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// socket.shown = true;
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// }
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// for(i in equipes)
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// equipes[i].emit('changeColor', {"id": socket.id, "color": d.color});
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// });
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// socket.on("disconnect", function(_){
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// console.log(socket.id + " disconnect");
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// socket.shown = false;
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// for(i in equipes)
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// equipes[i].emit('remove', {"id": socket.id});
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// });
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});
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console.log("Launch server");
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server.listen(config.port, "::");
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console.log("Running !");
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