Fixed disconnect bug and added room game status

Players will not be able to join a game that has already started

src/index.js

@@ -21,6 +21,7 @@ const traffic = {
 };
 
 var players = {};
+var rooms = {};
 
 // Send players json object 
 app.get("/", (req, res) => {
@@ -35,10 +36,10 @@ io.on("connection", (socket) => {
       const room = players[socket.id].room;
 
       var playerUpdate = {};
-      if (io.sockets.adapter.rooms[room]) {
-        for (const id in io.sockets.adapter.rooms[room].sockets) {
+      if (io.sockets.adapter.rooms.get(room)) {
+        io.sockets.adapter.rooms.get(room).forEach((id) => {
           playerUpdate[id] = players[id];
-        }
+        });
       }
 
       io.in(room).emit("roomUpdate", playerUpdate);
@@ -47,6 +48,7 @@ io.on("connection", (socket) => {
 
       if (io.sockets.adapter.rooms.get(room) == undefined) {
         console.log(traffic.int + colours.room(`Room ${room} has been deleted due to a lack of players`));
+        delete rooms[room];
       }
     }
 
@@ -73,7 +75,11 @@ io.on("connection", (socket) => {
         if (roomId[0] == data.gameID) {
           if (roomId[1] == data.playersMax) {
             if (io.sockets.adapter.rooms.get(room).size < data.playersMax) {
-              join += room;
+              if (!rooms[room].started) {
+                join += room;
+              } else {
+                console.log(traffic.int + colours.room(`Room ${room} has already started, skipping.`));
+              }
             } else {
               console.log(traffic.int + colours.room(`Room ${room} is full, skipping.`));
             }
@@ -93,6 +99,11 @@ io.on("connection", (socket) => {
       });
 
       join = data.gameID + "_" + data.playersMax + "_" + count;
+
+      rooms[join] = {
+        started: false
+      };
+
       console.log(traffic.int + colours.room(`There is no room available for the requested game, making room ${join}`));
     }
 
@@ -102,6 +113,7 @@ io.on("connection", (socket) => {
     if (io.sockets.adapter.rooms.get(join).size == data.playersMax) {
       console.log(traffic.int + colours.room(`Room ${join} has reached the maximum amount of players, starting game`));
       io.in(join).emit("gameStart");
+      rooms[join].started = true;
     }
 
     players[socket.id] = {
@@ -109,8 +121,6 @@ io.on("connection", (socket) => {
       room: join
     };
 
-    console.log(players);
-
     var playerUpdate = {};
     io.sockets.adapter.rooms.get(join).forEach((id) => {
       playerUpdate[id] = players[id];