void SV_EndClientSnapshot(client_t *client, msg_t *msg)
{
if ( client->state != CS_ZOMBIE )
SV_WriteDownloadToClient(client, msg);
MSG_WriteByte(msg, svc_EOF);
if ( msg->overflowed == qtrue)
{
Com_PrintWarning( "WARNING: msg overflowed for %s, trying to recover\n", client->shortname);
if ( client->state == CS_ACTIVE || client->state == CS_ZOMBIE )
{
SV_ShowClientUnAckCommands(client);
MSG_Clear( msg );
MSG_WriteLong(msg, client->lastClientCommand);
SV_UpdateServerCommandsToClientRecover( client, msg );
MSG_WriteByte(msg, svc_EOF);
}
if ( msg->overflowed == qtrue)
{
Com_PrintWarning("WARNING: client disconnected for msg overflow: %s\n", client->shortname);
NET_OutOfBandPrint(NS_SERVER, &client->netchan.remoteAddress, "disconnect");
SV_DropClient(client, "EXE_SERVERMESSAGEOVERFLOW");
}
}
SV_SendMessageToClient(msg, client);
}
int SV_SendDownloadMessages(void)
{
int i, numDLs = 0, retval;
client_t *cl;
msg_t msg;
byte msgBuffer[MAX_MSGLEN];
for(i=0; i < sv_maxclients->integer; i++)
{
cl = &svs.clients[i];
if(cl->state && *cl->downloadName)
{
MSG_Init(&msg, msgBuffer, sizeof(msgBuffer));
MSG_WriteLong(&msg, cl->lastClientCommand);
retval = SV_WriteDownloadToClient(cl, &msg);
if(retval)
{
MSG_WriteByte(&msg, svc_EOF);
SV_Netchan_Transmit(cl, &msg);
numDLs += retval;
}
}
}
return numDLs;
}
int SV_SendDownloadMessages(void)
{
int i, numDLs = 0;
client_t *cl;
msg_t msg;
byte msgBuffer[MAX_MSGLEN];
for(i=0; i < sv_maxclients->integer; i++)
{
cl = &svs.clients[i];
if(cl->state && *cl->downloadName)
{
int basesize;
MSG_Init(&msg, msgBuffer, sizeof(msgBuffer));
MSG_WriteLong(&msg, cl->lastClientCommand);
basesize = msg.cursize;
SV_WriteDownloadToClient(cl, &msg);
if (msg.cursize != basesize)
{
SV_SendMessageToClient(&msg, cl);
numDLs++;
}
}
}
return numDLs;
}
/*
=======================
SV_SendMessageToClient
Called by SV_SendClientSnapshot and SV_SendClientGameState
=======================
*/
void SV_SendMessageToClient( msg_t *msg, client_t *client ) {
int rateMsec;
// MW - my attempt to fix illegible server message errors caused by
// packet fragmentation of initial snapshot.
while(client->state&&client->netchan.unsentFragments)
{
// send additional message fragments if the last message
// was too large to send at once
Com_Printf ("[ISM]SV_SendClientGameState() [1] for %s, writing out old fragments\n", client->name);
SV_Netchan_TransmitNextFragment(&client->netchan);
}
// record information about the message
client->frames[client->netchan.outgoingSequence & PACKET_MASK].messageSize = msg->cursize;
client->frames[client->netchan.outgoingSequence & PACKET_MASK].messageSent = svs.time;
client->frames[client->netchan.outgoingSequence & PACKET_MASK].messageAcked = -1;
// send the datagram
SV_Netchan_Transmit( client, msg ); //msg->cursize, msg->data );
// set nextSnapshotTime based on rate and requested number of updates
// local clients get snapshots every frame
if ( client->netchan.remoteAddress.type == NA_LOOPBACK || Sys_IsLANAddress (client->netchan.remoteAddress) ) {
client->nextSnapshotTime = svs.time - 1;
return;
}
// normal rate / snapshotMsec calculation
rateMsec = SV_RateMsec( client, msg->cursize );
if ( rateMsec < client->snapshotMsec ) {
// never send more packets than this, no matter what the rate is at
rateMsec = client->snapshotMsec;
client->rateDelayed = qfalse;
} else {
client->rateDelayed = qtrue;
}
client->nextSnapshotTime = svs.time + rateMsec;
// don't pile up empty snapshots while connecting
if ( client->state != CS_ACTIVE ) {
// a gigantic connection message may have already put the nextSnapshotTime
// more than a second away, so don't shorten it
// do shorten if client is downloading
#ifdef _XBOX // No downloads on Xbox
if ( client->nextSnapshotTime < svs.time + 1000 ) {
#else
if ( !*client->downloadName && client->nextSnapshotTime < svs.time + 1000 ) {
#endif
client->nextSnapshotTime = svs.time + 1000;
}
}
}
/*
=======================
SV_SendClientSnapshot
Also called by SV_FinalMessage
=======================
*/
extern cvar_t *fs_gamedirvar;
void SV_SendClientSnapshot( client_t *client ) {
byte msg_buf[MAX_MSGLEN];
msg_t msg;
if (!client->sentGamedir)
{ //rww - if this is the case then make sure there is an svc_setgame sent before this snap
int i = 0;
MSG_Init (&msg, msg_buf, sizeof(msg_buf));
//have to include this for each message.
MSG_WriteLong( &msg, client->lastClientCommand );
MSG_WriteByte (&msg, svc_setgame);
while (fs_gamedirvar->string[i])
{
MSG_WriteByte(&msg, fs_gamedirvar->string[i]);
i++;
}
MSG_WriteByte(&msg, 0);
// MW - my attempt to fix illegible server message errors caused by
// packet fragmentation of initial snapshot.
//rww - reusing this code here
while(client->state&&client->netchan.unsentFragments)
{
// send additional message fragments if the last message
// was too large to send at once
Com_Printf ("[ISM]SV_SendClientGameState() [1] for %s, writing out old fragments\n", client->name);
SV_Netchan_TransmitNextFragment(&client->netchan);
}
// record information about the message
client->frames[client->netchan.outgoingSequence & PACKET_MASK].messageSize = msg.cursize;
client->frames[client->netchan.outgoingSequence & PACKET_MASK].messageSent = svs.time;
client->frames[client->netchan.outgoingSequence & PACKET_MASK].messageAcked = -1;
// send the datagram
SV_Netchan_Transmit( client, &msg ); //msg->cursize, msg->data );
client->sentGamedir = qtrue;
}
// build the snapshot
SV_BuildClientSnapshot( client );
// bots need to have their snapshots build, but
// the query them directly without needing to be sent
if ( client->gentity && client->gentity->r.svFlags & SVF_BOT ) {
return;
}
MSG_Init (&msg, msg_buf, sizeof(msg_buf));
msg.allowoverflow = qtrue;
// NOTE, MRE: all server->client messages now acknowledge
// let the client know which reliable clientCommands we have received
MSG_WriteLong( &msg, client->lastClientCommand );
// (re)send any reliable server commands
SV_UpdateServerCommandsToClient( client, &msg );
// send over all the relevant entityState_t
// and the playerState_t
SV_WriteSnapshotToClient( client, &msg );
// Add any download data if the client is downloading
#ifndef _XBOX // No downloads on Xbox
SV_WriteDownloadToClient( client, &msg );
#endif
// check for overflow
if ( msg.overflowed ) {
Com_Printf ("WARNING: msg overflowed for %s\n", client->name);
MSG_Clear (&msg);
}
SV_SendMessageToClient( &msg, client );
}