Made multiplayer support semi working

The server is unstable and crashes often

package-lock.json

@@ -498,6 +498,11 @@
       "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
       "dev": true
     },
+    "colors": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/colors/-/colors-1.4.0.tgz",
+      "integrity": "sha512-a+UqTh4kgZg/SlGvfbzDHpgRu7AAQOmmqRHJnxhRZICKFUT91brVhNNt58CMWU9PsBbv3PDCZUHbVxuDiH2mtA=="
+    },
     "component-bind": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/component-bind/-/component-bind-1.0.0.tgz",

package.json

@@ -28,6 +28,7 @@
   },
   "license": "ISC",
   "dependencies": {
+    "colors": "^1.4.0",
     "express": "^4.17.1",
     "socket.io": "^2.3.0"
   },

src/index.js

@@ -2,6 +2,21 @@ var app = require("express")();
 var http = require("http").createServer(app);
 var io = require("socket.io")(http);
 
+var colours = require("colors");
+colours.enable();
+colours.setTheme({
+  silly: "rainbow",
+  input: "grey",
+  verbose: "cyan",
+  prompt: "grey",
+  info: "green",
+  data: "grey",
+  help: "cyan",
+  warn: "yellow",
+  debug: "blue",
+  error: "red"
+});
+
 var path = require("path");
 
 // Send html & css files
@@ -13,15 +28,25 @@ app.get("/index.css", (req, res) => {
   res.sendFile(path.join(__dirname + "/../css/index.css"));
 });
 
-var players = [];
+var players = {};
 
 // Handle Connection
 io.on("connection", (socket) => {
   // Handle disconnection
   socket.on("disconnect", () => {
-    delete players[String(socket.id)];
-    console.warn(players);
-    console.log(`User ${socket.id} disconnected!`);
+    const room = players[socket.id].room;
+    delete players[socket.id];
+
+    var playerUpdate = {};
+    if (io.sockets.adapter.rooms[room]) {
+      for (const id in io.sockets.adapter.rooms[room].sockets) {
+        playerUpdate[id] = players[id];
+      }
+    }
+
+    io.in(room).emit("roomUpdate", playerUpdate);
+    
+    console.log(colours.warn(`User ${String(socket.id)} disconnected from room ${room}`));
   });
 
   // Request identification
@@ -41,21 +66,26 @@ io.on("connection", (socket) => {
 
     socket.join(room);
 
-    players[String(socket.id)] = {
+    players[socket.id] = {
       username: data.name,
+      controls: data.controls,
       room: room
     };
-    console.warn(players);
     
-    io.in(room).emit("roomUpdate", players);
+    var playerUpdate = {};
+    for (const id in io.sockets.adapter.rooms[room].sockets) {
+      playerUpdate[id] = players[id];
+    }
 
-    console.log(`User ${socket.id} connected to room ${room}`);
+    io.in(room).emit("roomUpdate", playerUpdate);
+
+    console.log(colours.help(`User ${String(socket.id)} connected to room ${room}`));
   });
 
   socket.on("update", (data) => {
-    if (players[String(socket.id)]) {
-      socket.to(players[String(socket.id)].room).emit("update", {
-        uuid: String(socket.id),
+    if (players[socket.id]) {
+      socket.to(players[socket.id].room).emit("update", {
+        uuid: socket.id,
         controls: data
       });
     }
@@ -63,5 +93,5 @@ io.on("connection", (socket) => {
 });
 
 http.listen(3000, () => {
-  console.log("listening on *:3000");
+  console.log(colours.data("\nTanksJS-Server ready, listening on port 3000\n"));
 });