Questions tagged [socket]

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15
votes
2answers
13k views

How to keep server-client clocks in-sync for precision networked games like Quake 3?

I'm working on a 2D top-down-shooter and doing my best to copy concepts used in networked games like Quake 3. I have an authoritative server. The server sends snapshots to clients. Snapshots contain ...
7
votes
2answers
7k views

UDP vs TCP in multiplayer mobile game

I'm working on a networked multiplayer game, initially for iOS. Even with TCP_NODELAY there are large fluctuations in latency. I can't be sure of the reason, but I would not be surprised if it was ...
7
votes
3answers
5k views

How do I access a Unity class from an Android Activity?

I have made my own C# classes in Unity. How can I access them from the Android Activity that starts the UnityPlayer? Example: I have a C# class called ...
5
votes
2answers
3k views

Mobile Multiplayer games and coping with high latency

I'm currently researching regarding a design for an online (realtime) mobile multiplayer game. As such, i'm taking into consideration that latencies (lag) is going to be high (perhaps higher than PC/...
4
votes
0answers
96 views

Implementing a game in Unity without Unity Networking

I have been programming in Unity for a while, and ever since I started I could not wrap my head around the Unity Networking system. I understand on a whole how it works, I even made a small project ...
3
votes
5answers
6k views

UDK client, C++ server (is it possible?)

For example I have C++/C# server side with sockets or http web server and UDK client. I am interesting what about experience with networking in UDK: could I connect UDK client to C++/C# socket server ...
3
votes
1answer
3k views

Google Cloud Messaging (GCM) for turn-based mobile multiplayer server?

I'm designing a multiplayer turn-based game for Android (over 3g). I'm thinking the clients will send data to a central server over a socket or http, and receive data via GCM push messaging. I'd like ...
3
votes
1answer
178 views

Slick2D Networking Crash

This is my first post, so I apologize if it's been put in the wrong place or something. Anyways, here's my problem: I've run into an issue with running my client-side code in one of my game-states. ...
3
votes
1answer
2k views

How should I send packets to multiple clients on UDP? [closed]

I'm developing a 2D action side-scroller shoot-em-up game and I recently implemented the multiplayer aspect. When the server sends packets containing the game state (which are about 500-700 bytes) ...
3
votes
1answer
1k views

Unity editor stalling on second attempt to play

I am attempting to use a Tobii TX300 eye-tracker as an input device for Unity. This device is connected via LAN (TCP connection managed by Tobii SDK). The Tobii SDK has appropriate methods (I am ...
2
votes
3answers
506 views

Synchronizing object states over .NET sockets

What I want to achieve is synchronize the state of a list of objects between two applications using sockets. All my attempts, but failed. One of my methods was to send each object each update to the ...
2
votes
1answer
589 views

unity, socketio, nodejs. amount of messages sent is multiplied by amount of NPcs that have ever spawned

I am building a 2d top down multiplayer mmo. very lightweight. a note on architecture I am using Unity as an engine, I have a backend Nodejs/socket.io websockets server. and a main Master client ...
2
votes
2answers
374 views

Connecting an AI Agent to a Flash Game

Overview The game is a multiplayer simple real time strategy housed in a Flash application. Players run the Flash client, and are connected to a server written in another language (the language is ...
2
votes
1answer
150 views

How would a server handle sending entity updates to clients?

Lately I've been looking into networking and sockets and made small test programs to get the basics down. So far I've made a TCP turn-based game from where I learnt a lot and helped me getting some ...
2
votes
2answers
550 views

Adobe Air turn based multiplayer Game, sockets vs http bandwidth

I am developing an Adobe Air multiplayer game for iPad. It is turn based and not realtime. It is like checkers game. I want to use a client server model. I have found 2 options to connect to server so ...
2
votes
1answer
2k views

Simple WP7 pong game with real time multiplayer using sockets

I'm making a pong clone for Windows Phone 7 and I'd love to add a multiplayer option. I've been trying to use this Ricky Tan's tutorial: http://blogs.msdn.com/b/rickyt/archive/2011/06/15/windows-...
1
vote
2answers
228 views

Do I need TCP socket?

My game uses UDP sockets to stream updates between server and client and I've also made a reliable channel that resends messages if there's no response and makes sure same message isn't processed ...
1
vote
3answers
691 views

Send info about gun shots via UDP

I am writing a small multiplayer game in C++. But I am confused about how to send info about gun shots to achieve best performance. I am thinking of different ways to do that: Let's say we have a gun ...
1
vote
1answer
333 views

network programming: simultaneous IO over sockets?

In my curses based game, I decided to add multiplayer functionality over net, in addition to one-keyboard mulitiplayer game. I use switch loop and in case it's 1st user's buttons, user 1 is acting ...
1
vote
5answers
4k views

Is it possible to use 3G internet for a TCP/IP game server?

I'm working on a turned based multiplayer android game with a friend. I started working on the game server and client using socket programming. I found a few tutorials on how to implement a basic chat ...
1
vote
1answer
284 views

Unreal Engine 4.18 - Knife (Weapon) collides with character capsule collision

I have a character and he has a knife in his hand. When Run / Walk action happens hands move and so does knife, its collision collides with character's capsule collision and causes issue in movement. ...
1
vote
1answer
1k views

Best client/server architecture for a mobile management game?

For the past year I have worked on a small company that develops a traditional browser based strategy game, of the likes of Travian or Ogame, but using a more interactive approach like Tribal Wars 2. ...
1
vote
2answers
733 views

Should I use threads to check sockets for multiplayer game?

In a multiplayer game does the code to get/send info from/to sockets reside in the game loop or does it belong in its own thread?
1
vote
1answer
173 views

Handling bad network clients using socket.io

Currently I'm working on a MMO game which players can join and exit game whenever they want. I have a connection manager server (CMS) written in golang using socket io library. World connects to CMS ...
1
vote
0answers
117 views

Cocos2d-x : Socket.io-client-cpp crashes after creating scene

I'm using https://github.com/socketio/socket.io-client-cpp with cocos, because the built-in socket.io doesn't support callback (http://discuss.cocos2d-x.org/t/doesnt-work-with-socketio-2-0-1-and-...
1
vote
0answers
65 views

Unity won't Instantiate() outside of Start(), even though code is the same

I am trying to add a gameobject to my game using a socket connection. I have a SocketHandler class, which simply connects to my NodeJS socket server, which can also call a method on another class, ...
1
vote
0answers
325 views

Node.js in LibGDX project [closed]

I'm developing a game with LibGDX, and right now I'm trying the multiplayer part. I have managed to connect several players through Node.js and socketIO but when I try to make the lobby I am doubting ...
1
vote
0answers
29 views

Socket.io emit textfield

Hello everyone I learned how to emit from socket.io website guides but I was wondering how does the chat example receive its input? For example in my cocos2dx app how do I pass a text field over to ...
1
vote
0answers
80 views

Delay in connecting to server in Unity

I have a button, when I press the connect button, it gets connected to the server. When I press the connect button again, it's getting delay in connecting to the server. Below is the code to connect ...
1
vote
0answers
348 views

Delay command execution over sockets

I've been trying to fix the game loop in a real time (tick delay) MUD. I realized using Thread.Sleep would seem clunky when the user spammed commands through their ...
1
vote
2answers
204 views

Network game like MMO - TPC or UDP [closed]

I saw this subject several times, however I will wish better understand. I am working on the development of a 2d game like a little MMO. (Currently I only do research). I see people who says it's ...
0
votes
1answer
702 views

what is the best way to code an online multiplayer game? [closed]

so i want to create a simple game that runs over a network but I am having trouble deciding what needs to be done in terms of what the server needs to do and what the clients need to do. I understand ...
0
votes
3answers
866 views

Why is my client laggy despite 60 update packets a second? [closed]

I am developing a small multiplayer game with XNA. It's a usual client-server architecture -- I have a server and many clients communicating with it through UDP (via .NET's ...
0
votes
1answer
502 views

Multiplayer Game Data Serialization Problems

I want to create a simple game that can be played with one to two player. I plan on using TCP sockets, Farseer Physics, XNA, a BinaryFormater and a Memorystream. as far as i know i can't do the ...
0
votes
1answer
85 views

Check if client is alive

I am having client/server application and i want to detect if client is alive. So i know that send() will return me null but it ...
0
votes
2answers
308 views

Is it secure to use UDP socket for a game server?

I'm working on a multiplayer android game with Unity. For server side I use python. There is no login system or username. Basically, there is a matchmaking system and rooms. I send json object which ...
0
votes
1answer
1k views

Could a Peer-To-Peer network architecture be good for my fighting game

I am looking forward to developing a 2D spaceship-fighting, brawler game and I have so many ideas about it. I am going to make a single-player component anyway, but the core of this game would ...
0
votes
2answers
341 views

Unity WebGL build throws errors

I am working on a multiplayer game for WebGL platform and I am using SocketIo & node.js server for handling the game. I am facing issues, as shown in the attached image. I have no idea about what ...
0
votes
1answer
143 views

Fast Serialization for Multiplayer Gaming

I wish to make a Java based multiplayer game. I am learning all about sockets and so forth. I have built a very basic UDP system that serializes an object with all the information about the game state ...
0
votes
1answer
48 views

Trying to understand exactly how the server sends data to the client to prevent malicious actions

I recently started coding a game with one of my friends and he is taking care of the front end and I am doing the back end. I read many blogs/articles/tutorials on how the back end communicates with ...
0
votes
1answer
576 views

World & client listening, use multi-threading or multi-process?

My game is based on a client / server architecture where client only sends input and receives server output. Server has to keep track of the game, updating the world etc. But also listen to clients ...
0
votes
1answer
2k views

SocketException: No connection could be made because the target machine actively refused it

I am working on connecting a client to a server using socket connection. I have a button, when I click on the button, it's giving the below exception in Unity. "SocketException: No connection could ...
0
votes
1answer
681 views

Try to connect to Game Maker server

I'm trying to make a simple multiplayer experience with Game Maker, using a local network, and the basic idea is to use Game Maker's built-in networking functions. Using a simple client-server ...
0
votes
1answer
6k views

TCP Socket communication with unity

I am working on communicating unity application with an PC app. Since I doesn't know how socket programming can be implemented in unity.Can anybody please help me in creating a simple small ...
0
votes
1answer
3k views

C# multi-player socket server (need clarification/suggestions)

I've been working on an 2D-RPG for a while and I recently decided to make it into an MMO (not really massive, but multi-player). Anyways, I'm attempting to write a game server in C#. Yes, I know I ...
0
votes
0answers
24 views

WebSocketSharp For Unity

I have integrated WebSocketSharp with Unity 2018.4.14f1 and it works well with Android and IOS. I wanted to know that most of the other socket.io plugins for unity have a wrapper of Class Packet over ...
0
votes
0answers
30 views

Does StreamPeerTCP guarantee received packet is same from server?

I'm making simple Godot project that works with Node.js server. To receive and send packet to Node.js server, I used StreamPeerTCP. First seems works, but after 2nd transmission from server, extract ...
0
votes
0answers
31 views

What to send for moving players in a networking-game

In my game I make use of Ashley (the Entity-Component-System). I've got a player which have an Transform-Component as well as a Brain-Component which is holding the boolean variables which are ...
0
votes
0answers
24 views

Can a mobile device create a game server for two-player online games in turn? [duplicate]

First of all excuse me if I say crazy things. I'm trying to make a turn-based multiplayer logic game for two players. This is my purpose: Two types of user, the one who creates the map and the one ...
0
votes
0answers
22 views

Networking and Timing issue

I have been trying to use the low-level API for UNET and the focus of this problem is this: ...