MultiSync - Send data from Client to Client?

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CheatCat

17

Years of Service

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Joined: 7th Mar 2007

Location: Sweden

Posted: 28th Jul 2008 23:42

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Hello, it's I again! x)

This time I have 3 'computers', one host and two clients. The problem is that the one client cannot send something to the other client. What is wrong?

Host:

+ Code Snippet

#include <DarkGDK.h>
#include "multisync.h"

int counter = 0;
char text[80];

void DarkGDK ( void )
{
	dbSyncOn();
	int messfrom = 0;
	
	if (NetHost(16))
	{
		while (LoopGDK())
		{
			if (NetPlayerJoined() != 0)
			{
				counter++;
				NetPutInt(counter);
				NetSendAll();
				NetSend(0);
			}
			
			if (counter > 0)
			{
				while(NetGetMessage() == true)
				{
					messfrom = NetMessageFrom();
					NetGetString(text, 80);
					dbText(0, (messfrom * 10), dbStr(messfrom));
				}
				
				NetPutString("Host");
				NetSendAll();
				NetSend(0);
			}
			dbSync();
		}
	}
}

Client:

+ Code Snippet

#include <DarkGDK.h>
#include "multisync.h"

bool done = false;
int myplayer = 0;
char text[80];

void DarkGDK ( void )
{
	dbSyncOn();
	int messfrom = 0;
	
	if(NetConnect("127.0.0.1"))
	{
		while(done == false)
		{
			NetGetMessage();
			myplayer = NetGetInt();

			if(myplayer > 0 && myplayer < 100)
			{
				done = true;
			}
			dbSync();
		}

		while (LoopGDK())
		{
			while(NetGetMessage() == true)
			{
					messfrom = NetMessageFrom();
					NetGetString(text, 80);
					dbText(0, (messfrom * 10), dbStr(messfrom));
			}
			
			NetPutString("Client");
			NetSendAll();
			NetSend(0);

			dbSync();
		}
	}
}

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Benjamin

21

Years of Service

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Joined: 24th Nov 2002

Location: France

Posted: 29th Jul 2008 04:26

Link

http://en.wikipedia.org/wiki/Client-server

Multisync - TCP Server/Client Multiplayer Plugin (DBP/DBCe)

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CheatCat

17

Years of Service

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Joined: 7th Mar 2007

Location: Sweden

Posted: 29th Jul 2008 19:47

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So all clients must send data to the host and then the host send all data back to every client? The clients cannot talk with each other?

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Benjamin

21

Years of Service

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Joined: 24th Nov 2002

Location: France

Posted: 29th Jul 2008 20:07

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Yes.

Multisync - TCP Server/Client Multiplayer Plugin (DBP/DBCe)

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CheatCat

17

Years of Service

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Joined: 7th Mar 2007

Location: Sweden

Posted: 29th Jul 2008 21:12

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Okey... But it don't works! The first client get: '0; 1' and the second client get: '0; 1; 2' and so on. Why?

Host:

+ Code Snippet

#include <DarkGDK.h>
#include "multisync.h"

int counter = 0;
int gamer[17];

void DarkGDK ( void )
{
	dbSyncOn();
	int messfrom = 0;
	
	if (NetHost(16))
	{
		while (LoopGDK())
		{
			if (NetPlayerJoined() != 0)
			{
				counter++;
				NetPutInt(counter);
				NetSendAll();
			}
			
			if (counter > 0)
			{
				while(NetGetMessage() == true)
				{
					messfrom = NetMessageFrom();
					gamer[messfrom] = NetGetInt();
					dbText(0, (messfrom * 10), dbStr(messfrom));
				}
				
				for(int a = 1; a < 17; a++)
				{
					NetPutInt(gamer[a]);
				}
				NetSendAll();
			}
			dbSync();
		}
	}
}

Client:

+ Code Snippet

#include <DarkGDK.h>
#include "multisync.h"

bool done = false;
int myplayer = 0;
int gamer = 0;

void DarkGDK ( void )
{
	dbSyncOn();
	int messfrom = 0;
	
	if(NetConnect("127.0.0.1"))
	{
		while(done == false)
		{
			NetGetMessage();
			myplayer = NetGetInt();

			if(myplayer > 0 && myplayer < 100)
			{
				done = true;
			}
			dbSync();
		}

		while (LoopGDK())
		{
			NetGetMessage();

			for(int a = 1; a < 17; a++)
			{
					gamer = NetGetInt();
					dbText(0, (spelare * 10), dbStr(gamer));
			}
			
			NetPutInt(myplayer);
			NetSend(0);

			dbSync();
		}
	}
}

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dark coder

21

Years of Service

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Joined: 6th Oct 2002

Location: Japan

Posted: 30th Jul 2008 07:09

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Your code doesn't really make much sense and it assumes far too much. For instance:

+ Code Snippet

if(NetConnect("127.0.0.1"))
	{
		while(done == false)
		{
			NetGetMessage();

This assumes right after it connects a message will be in the buffer, if this isn't the case then you get no data and you don't even check for this, you just get the message(which may not exist) and read data from it, which also may not exist, it's best to put a loop here until you get the message then process it.

The same thing happens in your client's main loop, you assume there to be a packet waiting for the client every loop, yet you never check if there is and you read 17 ints from this packet which may not exist. Also on both the client and server you're continually sending packets every loop which isn't a good idea, for LAN this might be OK as GDK limits you to VSync but over WAN this likely won't work. Not to mention I'm not sure what your code is supposed to be doing, where is 'spelare' even defined?

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CheatCat

17

Years of Service

User Offline

Joined: 7th Mar 2007

Location: Sweden

Posted: 30th Jul 2008 21:56

Link

Spelare is the swedish word for gamer. I forgot to change it when I translate the code.

The only thing I want is to list all players, but the client don't get all numbers.

But do you mean like this:

Host:

+ Code Snippet

#include <DarkGDK.h>
#include "multisync.h"

int counter = 0;
int gamer[17];

void DarkGDK ( void )
{
	dbSyncOn();
	int messfrom = 0;
	
	if (NetHost(16))
	{
		while (LoopGDK())
		{
			if (NetPlayerJoined() != 0)
			{
				counter++;
				NetPutInt(counter);
				NetSendAll();
			}
			
			if (counter > 0)
			{
				while(NetGetMessage() == true)
				{
					messfrom = NetMessageFrom();
					gamer[messfrom] = NetGetInt();
					dbText(0, (messfrom * 10), dbStr(messfrom));
				}
				
				for(int a = 1; a < 17; a++)
				{
					if(gamer[a] > 0)
					{
						NetPutInt(gamer[a]);
					}
				}
				NetSendAll();
			}
			dbSync();
		}
	}
}

Client:

+ Code Snippet

#include <DarkGDK.h>
#include "multisync.h"

bool done = false;
int myplayer = 0;
int gamer = 0;

void DarkGDK ( void )
{
	dbSyncOn();
	int messfrom = 0;
	
	if(NetConnect("127.0.0.1"))
	{
		while(done == false)
		{
			NetGetMessage();
			myplayer = NetGetInt();

			if(myplayer > 0 && myplayer < 100)
			{
				done = true;
			}
			dbSync();
		}

		while (LoopGDK())
		{
			NetGetMessage();

			for(int a = 1; a < 17; a++)
			{
					gamer = NetGetInt();
					if(gamer > 0);
					{
						dbText(0, (gamer * 10), dbStr(gamer));
					}
			}
			
			NetPutInt(myplayer);
			NetSend(0);

			dbSync();
		}
	}
}

But something is still wrong, the clients get differet values...

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Dark GDK / MultiSync - Send data from Client to Client?