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// g_ptr.c -- post timeout restoration handling
/*
* Portions Copyright (C) 2000-2001 Tim Angus
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the OSML - Open Source Modification License v1.0 as
* described in the file COPYING which is distributed with this source
* code.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
#include "g_local.h"
static connectionRecord_t connections[ MAX_CLIENTS ];
/*
===============
G_CheckForUniquePTRC
Callback to detect ptrc clashes
===============
*/
static qboolean G_CheckForUniquePTRC( int code )
{
int i;
if( code == 0 )
return qfalse;
for( i = 0; i < MAX_CLIENTS; i++ )
{
if( connections[ i ].ptrCode == code )
return qfalse;
}
return qtrue;
}
/*
===============
G_UpdatePTRConnection
Update the data in a connection record
===============
*/
void G_UpdatePTRConnection( gclient_t *client )
{
if( client && client->pers.connection )
{
client->pers.connection->clientTeam = client->ps.stats[ STAT_PTEAM ];
client->pers.connection->clientCredit = client->ps.persistant[ PERS_CREDIT ];
}
}
/*
===============
G_GenerateNewConnection
Generates a new connection
===============
*/
connectionRecord_t *G_GenerateNewConnection( gclient_t *client )
{
int code = 0;
int i;
// this should be really random
srand( trap_Milliseconds( ) );
// there is a very very small possibility that this
// will loop infinitely
do
{
code = rand( );
} while( !G_CheckForUniquePTRC( code ) );
for( i = 0; i < MAX_CLIENTS; i++ )
{
//found an unused slot
if( !connections[ i ].ptrCode )
{
connections[ i ].ptrCode = code;
connections[ i ].clientNum = client->ps.clientNum;
client->pers.connection = &connections[ i ];
G_UpdatePTRConnection( client );
return &connections[ i ];
}
}
return NULL;
}
/*
===============
G_VerifyPTRC
Check a PTR code for validity
===============
*/
qboolean G_VerifyPTRC( int code )
{
int i;
if( code == 0 )
return qfalse;
for( i = 0; i < MAX_CLIENTS; i++ )
{
if( connections[ i ].ptrCode == code )
return qtrue;
}
return qfalse;
}
/*
===============
G_FindConnectionForCode
Finds a connection for a given code
===============
*/
connectionRecord_t *G_FindConnectionForCode( int code )
{
int i;
if( code == 0 )
return NULL;
for( i = 0; i < MAX_CLIENTS; i++ )
{
if( connections[ i ].ptrCode == code )
return &connections[ i ];
}
return NULL;
}
/*
===============
G_DeletePTRConnection
Finds a connection and deletes it
===============
*/
void G_DeletePTRConnection( connectionRecord_t *connection )
{
if( connection )
memset( connection, 0, sizeof( connectionRecord_t ) );
}
/*
===============
G_ResetPTRConnections
Invalidate any existing codes
===============
*/
void G_ResetPTRConnections( void )
{
memset( connections, 0, sizeof( connectionRecord_t ) * MAX_CLIENTS );
}
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