void SV_RunBots (void)
{
int i;
client_t *cl;
edict_t *ent;
usercmd_t cmd;
for (i = 0, cl = svs.clients; i < MAX_CLIENTS; i++, cl++) {
if (!cl->bot)
continue;
// FIXME, we get an infinite loop in COM_HullPointContents
// if we spawn the bot in one of the first two SV_Physics calls
// Why?
if (cl->state == cs_connected && sv.state == ss_active) {
Bot_Spawn_And_Begin (cl);
continue;
}
if (cl->state != cs_spawned)
continue;
ent = cl->edict;
// create a fake client move command for prediction's sake
cmd = nullcmd;
VectorCopy (ent->v.v_angle, cmd.angles);
cmd.msec = min ((svs.realtime - cl->cmdtime) * 1000, 255);
cl->lastcmd = cmd;
cl->cmdtime = svs.realtime;
// update bogus network stuff
cl->netchan.last_received = curtime;
SZ_Clear (&cl->datagram); // don't overflow
SV_ClearReliable (cl); // don't overflow
//
// think and run physics
//
if (sv_paused.value)
continue;
sv_client = cl;
sv_player = ent;
SV_PreRunCmd ();
SV_RunCmd (&cmd);
SV_PostRunCmd ();
}
}
/*
===================
SV_ExecuteClientMessage
The current net_message is parsed for the given client
===================
*/
void SV_ExecuteClientMessage (client_t *cl)
{
int c;
const char *s;
usercmd_t oldest, oldcmd, newcmd;
client_frame_t *frame;
vec3_t o;
// calc ping time
frame = &cl->frames[cl->netchan.incoming_acknowledged & UPDATE_MASK];
frame->ping_time = realtime - frame->senttime;
// make sure the reply sequence number matches the incoming
// sequence number
if (cl->netchan.incoming_sequence >= cl->netchan.outgoing_sequence)
cl->netchan.outgoing_sequence = cl->netchan.incoming_sequence;
else
cl->send_message = false; // don't reply, sequences have slipped
// save time for ping calculations
cl->frames[cl->netchan.outgoing_sequence & UPDATE_MASK].senttime = realtime;
cl->frames[cl->netchan.outgoing_sequence & UPDATE_MASK].ping_time = -1;
host_client = cl;
sv_player = host_client->edict;
// mark time so clients will know how much to predict
// other players
cl->localtime = sv.time;
cl->delta_sequence = -1; // no delta unless requested
while (1)
{
if (msg_badread)
{
Con_Printf ("%s: badread\n", __thisfunc__);
SV_DropClient (cl);
return;
}
c = MSG_ReadByte ();
if (c == -1)
break;
switch (c)
{
default:
Con_Printf ("%s: unknown command char\n", __thisfunc__);
SV_DropClient (cl);
return;
case clc_nop:
break;
case clc_delta:
cl->delta_sequence = MSG_ReadByte ();
break;
case clc_move:
MSG_ReadUsercmd (&oldest, false);
MSG_ReadUsercmd (&oldcmd, false);
MSG_ReadUsercmd (&newcmd, true);
if ( cl->state != cs_spawned )
break;
SV_PreRunCmd();
if (net_drop < 20)
{
while (net_drop > 2)
{
SV_RunCmd (&cl->lastcmd);
net_drop--;
}
if (net_drop > 1)
SV_RunCmd (&oldest);
if (net_drop > 0)
SV_RunCmd (&oldcmd);
}
SV_RunCmd (&newcmd);
SV_PostRunCmd();
cl->lastcmd = newcmd;
cl->lastcmd.buttons = 0; // avoid multiple fires on lag
break;
case clc_stringcmd:
s = MSG_ReadString ();
SV_ExecuteUserCommand (s);
break;
case clc_tmove:
o[0] = MSG_ReadCoord();
o[1] = MSG_ReadCoord();
o[2] = MSG_ReadCoord();
// only allowed by spectators
if (host_client->spectator)
{
VectorCopy(o, sv_player->v.origin);
SV_LinkEdict(sv_player, false);
}
break;
case clc_inv_select:
cl->edict->v.inventory = MSG_ReadByte();
break;
case clc_get_effect:
c = MSG_ReadByte();
if (sv.Effects[c].type)
{
Con_Printf("Getting effect %d\n",(int)c);
SV_SendEffect(&host_client->netchan.message, c);
}
break;
}
}
}
void SV_ExecuteClientMessage (client_t *cl)
{
int c;
char *s;
usercmd_t oldest, oldcmd, newcmd;
client_frame_t *frame;
vec3_t o;
qboolean move_issued = false; //only allow one move command
int checksumIndex;
byte checksum, calculatedChecksum;
int seq_hash;
// calc ping time
frame = &cl->frames[cl->netchan.incoming_acknowledged & UPDATE_MASK];
frame->ping_time = realtime - frame->senttime;
// make sure the reply sequence number matches the incoming
// sequence number
if (cl->netchan.incoming_sequence >= cl->netchan.outgoing_sequence)
cl->netchan.outgoing_sequence = cl->netchan.incoming_sequence;
else
cl->send_message = false; // don't reply, sequences have slipped
// save time for ping calculations
cl->frames[cl->netchan.outgoing_sequence & UPDATE_MASK].senttime = realtime;
cl->frames[cl->netchan.outgoing_sequence & UPDATE_MASK].ping_time = -1;
host_client = cl;
sv_player = host_client->edict;
// seq_hash = (cl->netchan.incoming_sequence & 0xffff) ; // ^ QW_CHECK_HASH;
seq_hash = cl->netchan.incoming_sequence;
// mark time so clients will know how much to predict
// other players
cl->localtime = sv.time;
cl->delta_sequence = -1; // no delta unless requested
while (1)
{
if (msg_badread)
{
Con_Printf ("SV_ReadClientMessage: badread\n");
SV_DropClient (cl);
return;
}
c = MSG_ReadByte ();
if (c == -1)
break;
switch (c)
{
default:
Con_Printf ("SV_ReadClientMessage: unknown command char\n");
SV_DropClient (cl);
return;
case clc_nop:
break;
case clc_delta:
cl->delta_sequence = MSG_ReadByte ();
break;
case clc_move:
if (move_issued)
return; // someone is trying to cheat...
move_issued = true;
checksumIndex = MSG_GetReadCount();
checksum = (byte)MSG_ReadByte ();
// read loss percentage
cl->lossage = MSG_ReadByte();
MSG_ReadDeltaUsercmd (&nullcmd, &oldest);
MSG_ReadDeltaUsercmd (&oldest, &oldcmd);
MSG_ReadDeltaUsercmd (&oldcmd, &newcmd);
if ( cl->state != cs_spawned )
break;
// if the checksum fails, ignore the rest of the packet
calculatedChecksum = COM_BlockSequenceCRCByte(
net_message.data + checksumIndex + 1,
MSG_GetReadCount() - checksumIndex - 1,
seq_hash);
if (calculatedChecksum != checksum)
{
Con_DPrintf ("Failed command checksum for %s(%d) (%d != %d)\n",
cl->name, cl->netchan.incoming_sequence, checksum, calculatedChecksum);
return;
}
if (!sv.paused) {
SV_PreRunCmd();
if (net_drop < 20)
{
while (net_drop > 2)
{
SV_RunCmd (&cl->lastcmd);
net_drop--;
}
if (net_drop > 1)
SV_RunCmd (&oldest);
if (net_drop > 0)
SV_RunCmd (&oldcmd);
}
SV_RunCmd (&newcmd);
SV_PostRunCmd();
}
cl->lastcmd = newcmd;
cl->lastcmd.buttons = 0; // avoid multiple fires on lag
break;
case clc_stringcmd:
s = MSG_ReadString ();
SV_ExecuteUserCommand (s);
break;
case clc_tmove:
o[0] = MSG_ReadCoord();
o[1] = MSG_ReadCoord();
o[2] = MSG_ReadCoord();
// only allowed by spectators
if (host_client->spectator) {
VectorCopy(o, sv_player->v.origin);
SV_LinkEdict(sv_player, false);
}
break;
case clc_upload:
SV_NextUpload();
break;
}
}
}
