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Socket for Movement - Completed - William - 12-08-2007
Completed! Not Tested yet! But I think it works.
By: William
Difficulty: 3/5
Source: http://www.key2heaven.net/Socket2.rar
Thanks to Bhenur for the idea and explanation behind it.
Introduction
Backup your source!
Currently, the movement is handled through the same socket as everything else that sends from the client to the server. This tutorial will add two new sockets. One to the client and one to the server that handles the movement. So the sending delays decreases.
Client Side
Begin with adding a new socket to frmMirage. Name it "Socket2" without the quote tags.
Find:
Code:
frmMirage.Socket.RemoteHost = GAME_IP
frmMirage.Socket.RemotePort = GAME_PORTCode:
frmMirage.Socket2.RemoteHost = GAME_IP
frmMirage.Socket2.RemotePort = GAME_PORT2Code:
Sub TcpDestroy()
frmMirage.Socket.CloseCode:
Sub TcpDestroy()
frmMirage.Socket.Close
frmMirage.Socket2.CloseCode:
Sub IncomingData(ByVal DataLength As Long)Code:
Sub IncomingData2(ByVal DataLength As Long)
Dim Buffer As String
Dim Packet As String
Dim top As String * 3
Dim Start As Integer
frmMirage.Socket2.GetData Buffer, vbString, DataLength
PlayerBuffer = PlayerBuffer & Buffer
Start = InStr(PlayerBuffer, END_CHAR)
Do While Start > 0
Packet = Mid(PlayerBuffer, 1, Start - 1)
PlayerBuffer = Mid(PlayerBuffer, Start + 1, Len(PlayerBuffer))
Start = InStr(PlayerBuffer, END_CHAR)
If Len(Packet) > 0 Then
Call HandleData(Packet)
End If
Loop
End SubCode:
Public Function ConnectToServer() As Boolean[code]Public Function ConnectToServer2() As Boolean
'****************************************************************
'* WHEN WHO WHAT
'* ---- --- ----
'* 07/12/2005 Shannara Optimized function.
'****************************************************************
Dim Wait As Long
' Check to see if we are already connected, if so just exit
If IsConnected2 Then
ConnectToServer2 = True
Exit Function
End If
Wait = GetTickCount
With frmMirage.Socket2
.Close
.Connect
End With
' Wait until connected or 3 seconds have passed and report the server being down
Do While (Not IsConnected2) And (GetTickCount = Player(Index).DataTimer + 1000 Then
Player(Index).DataTimer = GetTickCount
Player(Index).DataBytes = 0
Player(Index).DataPackets = 0
Exit Sub
End If
' Check for data flooding
If Player(Index).DataBytes > 1000 And GetPlayerAccess(Index)
Re: Socket for Movement - Completed - William - 13-08-2007
The tutorial is completed. This source has it added and works great: http://www.key2heaven.net/Socket2.rar
Feel free to test the tutorial and see if I remembered to put everything into it. Thanks
Hopefully someone who has some knowledge in this could say some words what this does so people will trust it
Re: Socket for Movement - Completed - Matt - 13-08-2007
What exactly does it do? Just a separate socket for movement?
Re: Socket for Movement - Completed - William - 13-08-2007
Yeah, instead of letting everything getting buffered and such in one socket. The new movement socket handles only movement and therefore decreases the delay and preassure on the main socket
I dont have so much knowledge in what benefits it has. But sounded like a good idea when bhenur told me about it. And that wow uses like 4-5 for it Hopyfully Bhenur can explain some about it, since he recently read up on this kind of things.
From the reference:
Congestion control
The final part to TCP is congestion control. TCP uses a number of mechanisms to achieve high performance and avoid 'congestion collapse', where network performance can fall by several orders of magnitude. These mechanisms control the rate of data entering the network, keeping the data flow below a rate that would trigger collapse.
Acknowledgments for data sent, or lack of acknowledgments, are used by senders to implicitly interpret network conditions between the TCP sender and receiver. Coupled with timers, TCP senders and receivers can alter the behavior of the flow of data. This is more generally referred to as flow control, congestion control and/or network congestion avoidance.
Modern implementations of TCP contain four intertwined algorithms: Slow-start, congestion avoidance, fast retransmit, and fast recovery (RFC2581).
Enhancing TCP to reliably handle loss, minimize errors, manage congestion and go fast in very high-speed environments are ongoing areas of research and standards development.
Re: Socket for Movement - Completed - bhenhur - 14-08-2007
I don't think i need to shed more light on this really, William did a decent job.
For a practical example check out the plugin for Firefox called DownThemAll at http://www.downthemall.net/. This plugin accelerates your downloads by breaking files into 5 parts - each on different TCP connections.
Re: Socket for Movement - Completed - genusis - 15-08-2007
good job William well i like it allot, so I’m giving you a 10/10 and the right to use my particle system into a tutorial teaching hem how to use bitblt particle system. that’s if you want to. I would do it but as I told you I rather not because I don’t truly think they deserve stuff like that. But that’s up to you William I leave it in your hands.
Re: Socket for Movement - Completed - Matt - 15-08-2007
genusis Wrote:good job William well i like it allot, so I’m giving you a 10/10 and the right to use my particle system into a tutorial teaching hem how to use bitblt particle system. that’s if you want to. I would do it but as I told you I rather not because I don’t truly think they deserve stuff like that. But that’s up to you William I leave it in your hands.
We don't deserve your system? We don't care about it. If it's using DX7 it's not a very good method anyways. If we wanted a good one, or one at all, we could convert MS to DX8 and borrow the system in vbGORE.
If you wanna talk about deserving something, you don't deserve to be here. We've all helped you enormous amounts of time. And you've asked me to join in several retarded projects. Like an OS made in VB..? Dude..
Anyways..
William, how much will this change? Is it really worth putting it in? I've yet to see much of a problem in my game, but that's also because it's not that popular yet so we don't have a lot of players on..
Re: Socket for Movement - Completed - Robin - 15-08-2007
Genusis, you are our guest here and the way you a behaving is unacceptable.
Either step in line or get back to Elysium, where you belong.
Re: Socket for Movement - Completed - Tony - 29-08-2007
Robin Wrote:Genusis, you are our guest here and the way you a behaving is unacceptable.
Either step in line or get back to Elysium, where you belong.
IVE BEEN HIDING IN ELYSIUM SHMUT ZOMG. Not.
I swear Will does a shitload but no one ever appreciates it.
Anyways, nice work.
Re: Socket for Movement - Completed - frozengod - 25-09-2007
how much does this affect speed and fps ? sounds like a great tutorial
Re: Socket for Movement - Completed - Robin - 25-09-2007
frozen you really should read through a tutorial first.
This won't effect your FPS or speed at all, it is simply trying to relieve some of the main sockets stress by receiving the most common packets through a different socket.
Re: Socket for Movement - Completed - frozengod - 25-09-2007
ah ok, thanks for the info
Re: Socket for Movement - Completed - William - 25-09-2007
So Dave, your saying that the tutorial doesn't do much good? I was thinking that dividing it into 2 sockets would decrease a lot of preassure on the socket. And also smoothen the movement a tiny bit too since it can send a packet from both sockets at the exact same time.
Re: Socket for Movement - Completed - Coke - 25-09-2007
Guys lets just be simple,
send 100 cars down a 1 lane road they are going to have to wait on each other a lil,
send 50 cars down a road each its going to make things easier and reduce waiting times,
its not that difficult...
Other online modern games use like 23874297482734 gazillion sockets, kinda seems stupid just to utilize one,
cant be a step backwards, it just cant; logic negates that
Re: Socket for Movement - Completed - Matt - 25-09-2007
Fox Wrote:Guys lets just be simple,
send 100 cars down a 1 lane road they are going to have to wait on each other a lil,
send 50 cars down a road each its going to make things easier and reduce waiting times,
its not that difficult...
Other online modern games use like 23874297482734 gazillion sockets, kinda seems stupid just to utilize one,
cant be a step backwards, it just cant; logic negates that
I dunno much about winsock, or if what I'm about to say is even true, it's just a theory to combat what you said.
If the program only allows for one to be active at a time, then there is no point in having both. Know what I mean?
Re: Socket for Movement - Completed - Coke - 25-09-2007
You can have more than one socket active at a time...
Re: Socket for Movement - Completed - Matt - 26-09-2007
Dave Wrote:Send 100 cars down a one lane road when you can only send one car at a time. You get no speed bonus from adding more lanes.
You can only send one packet at a time (you can not call send() twice at the same time)
You can only receive one packet at a time (you can not call receive() twice at the same time)
Explain to me where the speed increase is?
So I was right then..?
Re: Socket for Movement - Completed - Coke - 26-09-2007
why cant you handle multiple packets using different sockets?
Re: Socket for Movement - Completed - William - 26-09-2007
Obviously the call senddata can't ran twice at the exact same time. But if you are running and typing at the same time, and you hit enter while running. The movement socket wont need to deal with the message being sent.
The movement socket is independent on all the other data being sent.
Re: Socket for Movement - Completed - Matt - 26-09-2007
William Wrote:Obviously the call senddata can't ran twice at the exact same time. But if you are running and typing at the same time, and you hit enter while running. The movement socket wont need to deal with the message being sent.
The movement socket is independent on all the other data being sent.
It can still only send one thing at a time, so I don't see how it would make much of a difference..
Re: Socket for Movement - Completed - William - 26-09-2007
It doesn't make much of a difference, but it do affect it a little. There is no downside by adding this. And unless you guys come up with a strong case why this wouldn't decrease the sending delay, I still think it's a decent thing that could be added.
Re: Socket for Movement - Completed - Matt - 26-09-2007
William Wrote:It doesn't make much of a difference, but it do affect it a little. There is no downside by adding this. And unless you guys come up with a strong case why this wouldn't decrease the sending delay, I still think it's a decent thing that could be added.
If it can't call that sub more than once at the exact time, it's the same as one socket.
Re: Socket for Movement - Completed - William - 26-09-2007
If you checked my tutorial, it doesn't use the same senddata sub, since senddata is linked to socket1, and my senddata2 sub is linked to socket2. This way both those subs can run at the same time.
Its just senddata that cant be run at the same time twice. But by having two subs for the sending, it can.
Re: Socket for Movement - Completed - Matt - 26-09-2007
William Wrote:If you checked my tutorial, it doesn't use the same senddata sub, since senddata is linked to socket1, and my senddata2 sub is linked to socket2. This way both those subs can run at the same time.
Its just senddata that cant be run at the same time twice. But by having two subs for the sending, it can.
Ah, maybe.. I'll take a look at it later. Might be a good idea to split it up for all kinds of different things.
Re: Socket for Movement - Completed - William - 26-09-2007
You changed your opinion fast xD
When I talked to bhenur about this, he told me it wasn't really neccessary to add this for more than movement.
Another thing that would be great though would be to add a new socket for the chat, and setup a 2nd server for that. Even better would be to set that chat server at your friends house if you dont have a good connection.