/*
=======================
SV_SendClientDatagram
=======================
*/
void SV_SendClientDatagram( sv_client_t *cl )
{
byte msg_buf[NET_MAX_PAYLOAD];
sizebuf_t msg;
svs.currentPlayer = cl;
svs.currentPlayerNum = (cl - svs.clients);
BF_Init( &msg, "Datagram", msg_buf, sizeof( msg_buf ));
// always send servertime at new frame
BF_WriteByte( &msg, svc_time );
BF_WriteFloat( &msg, sv.time );
SV_WriteClientdataToMessage( cl, &msg );
SV_WriteEntitiesToClient( cl, &msg );
// copy the accumulated multicast datagram
// for this client out to the message
if( BF_CheckOverflow( &cl->datagram )) MsgDev( D_WARN, "datagram overflowed for %s\n", cl->name );
else BF_WriteBits( &msg, BF_GetData( &cl->datagram ), BF_GetNumBitsWritten( &cl->datagram ));
BF_Clear( &cl->datagram );
if( BF_CheckOverflow( &msg ))
{
// must have room left for the packet header
MsgDev( D_WARN, "msg overflowed for %s\n", cl->name );
BF_Clear( &msg );
}
// send the datagram
Netchan_TransmitBits( &cl->netchan, BF_GetNumBitsWritten( &msg ), BF_GetData( &msg ));
}
void Delta_WriteTableField( sizebuf_t *msg, int tableIndex, const delta_t *pField )
{
int nameIndex;
delta_info_t *dt;
ASSERT( pField );
if( !pField->name || !*pField->name )
return; // not initialized ?
dt = Delta_FindStructByIndex( tableIndex );
ASSERT( dt && dt->bInitialized );
nameIndex = Delta_IndexForFieldInfo( dt->pInfo, pField->name );
ASSERT( nameIndex >= 0 && nameIndex < dt->maxFields );
BF_WriteByte( msg, svc_deltatable );
BF_WriteUBitLong( msg, tableIndex, 4 ); // assume we support 16 network tables
BF_WriteUBitLong( msg, nameIndex, 8 ); // 255 fields by struct should be enough
BF_WriteUBitLong( msg, pField->flags, 10 ); // flags are indicated various input types
BF_WriteUBitLong( msg, pField->bits - 1, 5 ); // max received value is 32 (32 bit)
// multipliers is null-compressed
if( pField->multiplier != 1.0f )
{
BF_WriteOneBit( msg, 1 );
BF_WriteFloat( msg, pField->multiplier );
}
else BF_WriteOneBit( msg, 0 );
if( pField->post_multiplier != 1.0f )
{
BF_WriteOneBit( msg, 1 );
BF_WriteFloat( msg, pField->post_multiplier );
}
else BF_WriteOneBit( msg, 0 );
}
