// wait for all ackreturns with timeout in seconds
void Net_WaitAllAckReceived(UINT32 timeout)
{
tic_t tictac = I_GetTime();
timeout = tictac + timeout*TICRATE;
HGetPacket();
while (timeout > I_GetTime() && !Net_AllAckReceived())
{
while (tictac == I_GetTime())
I_Sleep();
tictac = I_GetTime();
HGetPacket();
Net_AckTicker();
}
}
//
// D_ArbitrateNetStart
//
void D_ArbitrateNetStart (void)
{
int i;
boolean gotinfo[MAXNETNODES];
autostart = true;
memset (gotinfo,0,sizeof(gotinfo));
if (doomcom->consoleplayer)
{
// listen for setup info from key player
printf ("listening for network start info...\n");
while (1)
{
CheckAbort ();
if (!HGetPacket ())
continue;
if (netbuffer->checksum & NCMD_SETUP)
{
if (netbuffer->player != VERSION)
I_Error ("Different DOOM versions cannot play a net game!");
startskill = netbuffer->retransmitfrom & 15;
deathmatch = (netbuffer->retransmitfrom & 0xc0) >> 6;
nomonsters = (netbuffer->retransmitfrom & 0x20) > 0;
respawnparm = (netbuffer->retransmitfrom & 0x10) > 0;
startmap = netbuffer->starttic & 0x3f;
startepisode = netbuffer->starttic >> 6;
return;
}
}
}
// wait for all ackreturns with timeout in seconds
void Net_WaitAllAckReceived(UINT32 timeout)
{
#ifdef NONET
(void)timeout;
#else
tic_t tictac = I_GetTime();
timeout = tictac + timeout*NEWTICRATE;
HGetPacket();
while (timeout > I_GetTime() && !Net_AllAckReceived())
{
while (tictac == I_GetTime())
I_Sleep();
tictac = I_GetTime();
HGetPacket();
Net_AckTicker();
}
#endif
}
void GetPackets (void)
{
int netconsole;
int netnode;
ticcmd_t *src, *dest;
int realend;
int realstart;
while ( HGetPacket() )
{
if (netbuffer->checksum & NCMD_SETUP)
continue; // extra setup packet
netconsole = netbuffer->player & ~PL_DRONE;
netnode = doomcom->remotenode;
// to save bytes, only the low byte of tic numbers are sent
// Figure out what the rest of the bytes are
realstart = ExpandTics (netbuffer->starttic);
realend = (realstart+netbuffer->numtics);
// check for exiting the game
if (netbuffer->checksum & NCMD_EXIT)
{
if (!nodeingame[netnode])
continue;
nodeingame[netnode] = false;
playeringame[netconsole] = false;
strcpy (exitmsg, "Player 1 left the game");
exitmsg[7] += netconsole;
players[consoleplayer].message = exitmsg;
if (demorecording)
G_CheckDemoStatus ();
continue;
}
// check for a remote game kill
if (netbuffer->checksum & NCMD_KILL)
I_Error ("Killed by network driver");
nodeforplayer[netconsole] = netnode;
// check for retransmit request
if ( resendcount[netnode] <= 0
&& (netbuffer->checksum & NCMD_RETRANSMIT) )
{
resendto[netnode] = ExpandTics(netbuffer->retransmitfrom);
if (debugfile)
fprintf (debugfile,"retransmit from %i\n", resendto[netnode]);
resendcount[netnode] = RESENDCOUNT;
}
else
resendcount[netnode]--;
// check for out of order / duplicated packet
if (realend == nettics[netnode])
continue;
if (realend < nettics[netnode])
{
if (debugfile)
fprintf (debugfile,
"out of order packet (%i + %i)\n" ,
realstart,netbuffer->numtics);
continue;
}
// check for a missed packet
if (realstart > nettics[netnode])
{
// stop processing until the other system resends the missed tics
if (debugfile)
fprintf (debugfile,
"missed tics from %i (%i - %i)\n",
netnode, realstart, nettics[netnode]);
remoteresend[netnode] = true;
continue;
}
// update command store from the packet
{
int start;
remoteresend[netnode] = false;
start = nettics[netnode] - realstart;
src = &netbuffer->cmds[start];
while (nettics[netnode] < realend)
{
dest = &netcmds[netconsole][nettics[netnode]%BACKUPTICS];
nettics[netnode]++;
*dest = *src;
src++;
}
}
}
}
void D_ArbitrateNetStart (void)
{
int i;
boolean gotinfo[MAXNETNODES];
boolean gotClass[MAXNETNODES];
#ifdef __WATCOMC__
int nextTic;
extern volatile int ticcount;
nextTic = ticcount+8;
#endif
autostart = true;
memset (gotClass,0,sizeof(gotClass));
memset (gotinfo,0,sizeof(gotinfo));
gotClass[doomcom->consoleplayer] = true;
do
{
i = 0;
CheckAbort();
while(HGetPacket())
{ // Check for any incoming packets
if(netbuffer->checksum&NCMD_SETUP && netbuffer->starttic >= 64)
{
PlayerClass[netbuffer->player] = netbuffer->starttic&0x3f;
if(!gotClass[netbuffer->player])
{
gotClass[netbuffer->player] = true;
ST_NetProgress();
ST_Message("\n");
}
if(netbuffer->retransmitfrom)
{ // that node has received info from all other nodes
gotinfo[netbuffer->player] = true;
}
}
}
#ifdef __WATCOMC__
if(ticcount <= nextTic)
{ // only send packets every half second
continue;
}
nextTic = ticcount+8;
#endif
// Keep sending out packets containing the console class
for(i = 0; i < doomcom->numnodes; i++)
{
netbuffer->player = doomcom->consoleplayer;
netbuffer->starttic = PlayerClass[doomcom->consoleplayer]+64;
netbuffer->retransmitfrom = gotinfo[doomcom->consoleplayer];
netbuffer->numtics = 0;
HSendPacket(i, NCMD_SETUP);
}
for(i = 0; i < doomcom->numnodes; i++)
{ // Make sure that all nodes have sent class info
if (!gotClass[i])
{
ST_Message(".");
break;
}
}
if(i < doomcom->numnodes)
{
continue;
}
else
{ // consoleplayer has received all player classes
if(gotinfo[doomcom->consoleplayer])
{
CheckAbort();
}
else
{
gotinfo[doomcom->consoleplayer] = true;
ST_Message("All player classes received, ready to proceed\n");
ST_NetDone();
}
}
for (i = 0; i < doomcom->numnodes; i++)
{ // Make sure that all nodes are ready to proceed
if (!gotinfo[i])
{
break;
}
}
} while(i < doomcom->numnodes);
memset (gotinfo,0,sizeof(gotinfo));
if (doomcom->consoleplayer)
{ // listen for setup info from key player
// ST_Message ("listening for network start info...\n");
while (1)
{
CheckAbort ();
if (!HGetPacket ())
continue;
if(netbuffer->checksum & NCMD_SETUP && netbuffer->starttic < 64)
{
if (netbuffer->player != VERSION)
I_Error ("Different HEXEN versions cannot play a net game!");
startskill = netbuffer->retransmitfrom & 15;
deathmatch = (netbuffer->retransmitfrom & 0xc0) >> 6;
nomonsters = (netbuffer->retransmitfrom & 0x20) > 0;
respawnparm = (netbuffer->retransmitfrom & 0x10) > 0;
startmap = netbuffer->starttic & 0x3f;
startepisode = 1;
return;
}
}
}
else
{ // key player, send the setup info
// ST_Message ("sending network start info...\n");
do
{
