닉네임 중복되면 다시쓰게함

GameServer.js

@@ -82,6 +82,7 @@ GameServer.enterRoom = function(roomIdx, playerData)
     playerData.currentRoom = room;
 
     console.log('[' + playerData.id + '] entered to room #' + room.roomNum);
+    playerData.socketId.emit('enterRoom');
     if (room.currentPlayer.length >= this.startCount) GameServer.startRoom(roomIdx);
     return room;
 }

js/Client.js

@@ -7,6 +7,14 @@ socket.on('setId', function(msg) // {str, num playerNum}
     console.log(msg.str);
     PlayerData.idNum = msg.num;
 });
+socket.on('errNicknameOverlaped', function()
+{
+    alert('이미 사용중인 닉네임입니다.');
+});
+socket.on('enterRoom', function()
+{
+    game.scene.remove('menuScene');
+});
 
 // init game
 socket.on('syncRoomData', function(msg) // {num roomNum, [] players}

js/Input.js

@@ -26,12 +26,11 @@ Input.gameSceneEnterReaction = function()
 Input.menuSceneEnterReaction = function()
 {
     Input.convInput = Input.removeConVow(Input.convInput);
-    if (Input.convInput.length > 0)
+    if (Input.convInput.length > 1)
     {
         socket.emit('setNickname', Input.convInput);
         PlayerData.nickname = Input.convInput;
         Input.reset();
-        game.scene.remove('menuScene');
     }
     else 
     {

server.js

@@ -41,9 +41,19 @@ io.on('connection', function(socket)
 
     socket.on('setNickname', function(msg) // string new_nickname
     {
-        socket.playerData.nickname = msg;
-        console.log('['+socket.playerData.id+'] nickname set to ' + msg);
-        GameServer.enterEmptyRoom(socket.playerData);
+        let isAlreadyHave = false;
+        GameServer.currentPlayer.forEach(function(element)
+        {
+            if (element.nickname === msg) isAlreadyHave = true;
+        });
+        if (isAlreadyHave) socket.emit('errNicknameOverlaped');
+        else
+        {
+            socket.playerData.nickname = msg;
+            console.log('['+socket.playerData.id+'] nickname set to ' + msg);
+            GameServer.enterEmptyRoom(socket.playerData);
+        }
+        
     });
 
     socket.on('setPlayerTyping', function(msg) // number playerTyping