The client-server model is a centralized computing model where one node (the server) performs some service for other nodes (the clients).

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Send less Server Data with “AFK”

I am working on a 2D (Realtime) MultiPlayer Game. With Construct2 and a Socket.IO JavaScript Server. Right now the code does not include the Array for each Player. var io = ...
2
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3answers
283 views

General directions on developing a server side control system for JS/Canvas Action RPG

Well, yesterday I asked on anti-cheat JS, and confirmed what I kind of already knew that it's just not possible. Now I wanna measure roughly how hard it is to implement a server side checking that is ...
4
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2answers
449 views

game multiplayer service development

I'm currently working on a multiplayer game. I've looked at a number of multiplayer services(player.io, playphone, gamespy, and others) but nothing really hits the mark. They are missing features, ...
4
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2answers
815 views

How do client-server cooperation based games like Diablo 3 work?

Diablo 3 cooperates with Blizzard servers even during single player games. In fact, Blizzard has had problems with the games "melting their servers." I would like to ask: How do the client and the ...
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votes
1answer
626 views

World of Warcraft like C++/C# server (highload) [closed]

I know it is very big topic and maybe my question is very beaten, but I'm interesting of basics how to write highload server for UDP/TCP client-server communications in MMO-like game on C++/C#? I mean ...
1
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1answer
177 views

In a client server first person shooter how does the server keep track of each player's hit boxes?

Do all the clients send a transformation matrix for each of the hit boxes which make up the character?
8
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4answers
278 views

Is there any way to verify the GPS location data received from client?

The answer to this question may be "NO" but it's quite important so I think I might as well ask. This should be a problem for all client-server location-aware games where player locations in the ...
9
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3answers
5k views

Javascript and PHP for real-time multiplayer?

I'm wondering if combining Javascript clientside with PHP/mysql serverside is a good idea for HTML5 real-time multiplayer (small scale) browser games? My technical knowledge is very limited, and even ...
1
vote
1answer
360 views

Multiplayer (Database, Users,etc) for game

I'm am looking to add multiplayer into my game (2D Platformer in XNA C#) My worlds are quite large (Up to 30 Million tiles max, Average 20 million maybe. 2000x10000). You could say the game is quite ...
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5answers
3k 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 ...
13
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3answers
1k views

How do I efficiently code both the client and server at the same time?

I'm coding my game using a client-server model. When playing on singleplayer, the game starts a local server, and interacts with it just like a remote server (multiplayer). I have done this to avoid ...
1
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1answer
599 views

How do I go from a simple html5 tic tac toe game to an online 2 player game?

I've been working on an online 2 player Tic Tac Toe solution for blackberries. both old and new. And so far I have html5 code that has a 3 x 3 layout that switches between x and o for the game ...
3
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1answer
236 views

How many UDP ports for an MMOFPS

I'm designing an MMOFPS. I'm not sure whether to use one UDP port for all clients or one UDP port per client. Or is there another alternative? Currently UDP is only being used for position data ...
0
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2answers
1k views

How can a NodeJS server be used from Game Maker HTML5?

I want to create a client-server game that runs on Game Maker HTML5-NodeJS. The NodeJS server will be an AI server - a bot that acts like a human opponent and plays against the human player at a ...
1
vote
1answer
320 views

What time to display in text messages in multiplayer game?

Say I'm having a multiplayer RTS game. There's a main server for each individual game and several clients connected to it. All packets are sent to server first and then server retransmits them back to ...
3
votes
3answers
319 views

Loadbalancing Questions

I have been learning networking for about 4 months. Wrote a single standalone Multiplayer server and succeeded with authoritative approach. Now I want to extend it by splitting the single server into ...
0
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2answers
231 views

Server Client position information exchanging

I am doing small game in xna client/server, there can be 50f per seconds, but i don't belive that each client has to sent 50 mesagges about only their position, and then get back from server, regular ...
5
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2answers
3k views

FPS networking with server sending input instead of gamestate

Why do all fps games have the server send gamestate instead of input which is smaller? One reason I can sort of see is that if the server sends input to the clients and a packet gets dropped then the ...
3
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1answer
534 views

XNA server client model

Hi what is the best model for creating client server application in one solution in xna, client as xna application, server as console and model as reference added to client and server? or maybe one ...
2
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3answers
3k views

Using SQL for a Realtime Multiplayer Game Server's Working Data (Fast Enough?)

The game I'm working on currently has a Client in Flash AS3, and a Server in C# (multithreaded). Currently I use mySQL to handle logins (Raw access: no middleman for accessing the database) which ...
0
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1answer
2k 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 ...
3
votes
2answers
421 views

Would it be too much overhead to keep a HashMap of variables on a server per object for the purpose of syncing object changes with the client?

I am currently writing a server for a multiplayer game. I am trying to find a good solution for synchronizing GameObjects across the server. The server sends each client a snapshot of every object in ...
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2answers
150 views

How much to bake user input in a client-server?

Assume a client-server game where there server manages all state and the clients are simply rendering / input. How much should I bake user input from the client before sending it off to the server? ...
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2answers
2k views

How much server bandwidth does an average RTS game require per month? [closed]

My friend and I are going to write a multiplayer, multiplatform RTS game and are currently analyzing the costs of going with a client-server architecture. The game will have a small map with mostly ...
4
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1answer
465 views

Components in a client/server network game?

Behavior and logic are executed on the server. The clients are mostly for rendering, audio, and gathering input. It looks as though most of the a components architecture benefits are only realized ...
3
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1answer
463 views

What is the best way to code the XNA Game Server for FPS game?

I'm writing a FPS XNA game. It gonna be multiplayer so I came up with following: I'm making two different assemblies — one for the game logic and the second for drawing it and the game irrelevant ...
2
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1answer
882 views

XNA 4.0 and Lidgren Library, How do I create a server/client hybrid?

My use of terminology may be off a little bit. I have been playing around with the Lidgren XNA sample for how the library works, and it is simple to implement it looks like. I am curious on the logic ...
32
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9answers
14k views

How do you prevent your JavaScript / HTML5 web game from being copied or altered?

I'm in the middle of planning a game built using JavaScript and HTML5. I'm having trouble understanding how you could prevent someone from simply copying the JavaScript from the web server and ...
4
votes
1answer
622 views

Multiplayer box2d networking for turn based game

I am currently in the planning stages for a 2D game for mobile devices which I will be making in C++ using cocos2d-x. The game will be turn based and each turn will have a phase in which the physics ...
19
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3answers
3k views

Low traffic client synchronization with server in MMO

I am implementing MMO where player flies in space on his starship controlling it with arrow keys and cooperate with other players. I want to implement it so that player will be able to dodge his ship ...
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2answers
1k views

Server hosting and costs [closed]

I'm developing a game that will require renting a server. The server will be used to host scores, clans, friends(on/off), match making, lobby, and chat. The game/match will be hosted by each player ...
4
votes
2answers
702 views

How can I alleviate network lag issues with players from other countries?

I am developing a small multiplayer game where players move through the map and interact with each other. The game is written in VB.Net. When I tested my game with players on a LAN everything worked ...
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3answers
2k views

Best Platform/Engine for turn based Client/Server Android game [closed]

I'm currently designing a turn based game for tablets. Initially for Android with porting to iOS later considered in design. I'm having trouble narrowing down the available technologies to even know ...
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3answers
2k views

Is there a pattern for writing a turn-based server communicating with n clients over sockets?

I'm working on a generic game server that manages games for an arbitrary number of TCP socket-networked clients playing a game. I have a 'design' hacked together with duct-tape that is working, but ...
3
votes
5answers
5k 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 ...
8
votes
3answers
4k views

Game server for an android/iOS turn-based board-game

I am currently programming an iPhone game and I would like to create an online multiplayer mode. In the future, this app will be port to Android devices, so I was wondering how to create the ...
2
votes
1answer
925 views

How should I display ping in a client-server-client multiplayer?

Say I'm having a multiplayer RTS game. There's a main server for each individual game and several clients connected to it. All packets are sent to server first and then server retransmits them back to ...
5
votes
3answers
1k views

Optimal data size for a 3G client-server game?

I'm currently working on an iOS turn-based client-server game and I am concerned over later performance issues. How much data per message is too big? I am planning to use JSON to transfer data (and, ...
0
votes
1answer
1k views

Browser based MMO [closed]

We are a team of 4 trying to develop a browser based MMORPG. Its partially text based in a way like Might and Magic. The world map would be in 3D and actions would be automatically resolved. The game ...
11
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3answers
5k views

How to client/server game using Google App Engine (Looking for tutorial.)

(NOTE: This is a duplicate of a question I asked on SO, having temporarily forgotten about GameDev <hang head in shame>. When one is answered, I will link it back to the other.) I'm trying to ...
5
votes
1answer
306 views

Reliability and suitability of 3G connection for client-server turn-based non-asynchronous game

I am working on an iOS turn-based client-server game and I am concerned with the reliability of the connection and the length of time it takes to establish the connection. The game is turn-based but ...
2
votes
1answer
186 views

How can I create a smooth simulation for a fast-paced, multiplayer table hockey game?

I'm adding multiplayer to an iPhone game that we have in our company. It's a sort of 'table hockey' game, with a puck and two mallets. It's a pretty fast game, so I need a smooth experience at both ...
3
votes
2answers
336 views

Best way to verify client files are same as server

In a client server game architecture, what are the possible ways to verify that the client has not modified things like gfx assets or client side scripts? Obviously no solution is perfect, but I ...
11
votes
2answers
1k views

Multiplayer FPS server side performance

This is related to MMO Performance except that question is about bandwidth. This is about cpu load. I put together a simple FPS using node.js and webGL. It's extremely simple, a lot like the ...
3
votes
2answers
766 views

client/server Silverlight turn based game - domain model question

I am making multiplayer (2 players) Minesweeper like the one that's available on MS Live Messenger. Client side is going to be silverlight, server side will be MVC Application. Client (the one who is ...
8
votes
4answers
2k views

Which Database (RDBMS vs NoSQL vs BOTH) to use for a Realtime Multiplayer Game?

I'm working on a realtime multiplayer game that will require a database (for features such as player profiles, friends, unlocks, news, etc.) This is a standard PC game (not browser-based) and will use ...
10
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2answers
472 views

Should the engine for an eventual web-based game start as a web-service?

I've recently decided to start writing an engine for a card game. I'm not a big "cards" player, but a friend introduced me to the game (it's a spin on the game Danish), and I fell in love. I want to ...
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4answers
1k views

Client server design question

I'm working on creating a multiplayer game, with the client in ActionScript and the server written in Java. I'm using XMLSocket in the client to connect to the server. The server code looks something ...
15
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2answers
842 views

How should I automatically update my entire game's files?

How should I automatically update my player's game assets and executables? It is preferable for the update software to be free. Updates must be small in size and not waste cpu-time. Also it has to be ...
0
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1answer
1k views

Looking for architectures to develop massive multiplayer game server [closed]

Hello all Where can I find architectures and examples of building massive multiplayer game server Does the does the concept of building it on top of libenevt is right ? or I need to think more on ...