View Full Version : Programming multiplayer games, how do I get started?
crazyfuturamanoob
September 2nd, 2009, 11:38 AM
I use C, OpenGL and SDL, and want to learn how client-server multiplayer games work (like quake, teeworlds, cs2d etc..). I already tried googling with keywords "programming multiplayer games network online" but didn't find anything useful.
Can you give me a link to an article or a design document? I already know what is TCP and UDP and how to create a chat program with SDL, but the roles of client and server in real-time shooter are not very clear to me, nor how they communicate, what data to send etc.
Thanks for your time.
WitchCraft
September 2nd, 2009, 01:01 PM
You need a good 3d rendering engine (Quake3/Irrlicht)
http://en.wikipedia.org/wiki/List_of_game_engines
I already know what is TCP and UDP and how to create a chat program with SDL,
UDP is the way to go.
apt-get source openarena for reference
but the roles of client and server in real-time shooter are not very clear to me,
Client: rendering, input, untrusted unreliable entity
Server: communication center, information processing & management, trusted reliable entity
nor how they communicate
Connectionless (faster, render state can get lost, no point in showing it 3 seconds later), Compressed, encrypted, as few as possible.
, what data to send etc.
Never let players have other players IPs (communication always via server)...
chat, serverinfo, gamestate, player position & acc & velocity, events (shoot, vote)
koonsolo
September 2nd, 2009, 02:50 PM
A good starting point are the multiplayer and networking articles you can find at gamdev.net: http://www.gamedev.net/reference/list.asp?categoryid=30 . Not all articles are that good, but you should definitely check out those from gamasutra.
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