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_RunCmd
===========
*/
void SV_RunCmd( sv_client_t *cl, usercmd_t *ucmd, int random_seed )
{
usercmd_t lastcmd;
edict_t *clent, *touch;
double frametime;
int i, oldmsec;
pmtrace_t *pmtrace;
trace_t trace;
vec3_t oldvel;
clent = cl->edict;
if( cl->next_movetime > host.realtime )
{
cl->last_movetime += ( ucmd->msec * 0.001f );
return;
}
cl->next_movetime = 0.0;
// chop up very long commands
if( ucmd->msec > 50 )
{
lastcmd = *ucmd;
oldmsec = ucmd->msec;
lastcmd.msec = oldmsec / 2;
SV_RunCmd( cl, &lastcmd, random_seed );
lastcmd.msec = oldmsec / 2 + (oldmsec & 1); // give them back thier msec.
lastcmd.impulse = 0;
SV_RunCmd( cl, &lastcmd, random_seed );
return;
}
if( !cl->fakeclient )
{
SV_SetupMoveInterpolant( cl );
}
lastcmd = *ucmd;
svgame.dllFuncs.pfnCmdStart( cl->edict, ucmd, random_seed );
frametime = ucmd->msec * 0.001;
cl->timebase += frametime;
cl->last_movetime += frametime;
PM_CheckMovingGround( clent, frametime );
VectorCopy( clent->v.v_angle, svgame.pmove->oldangles ); // save oldangles
if( !clent->v.fixangle ) VectorCopy( ucmd->viewangles, clent->v.v_angle );
VectorClear( clent->v.clbasevelocity );
// copy player buttons
clent->v.button = ucmd->buttons;
if( ucmd->impulse ) clent->v.impulse = ucmd->impulse;
if( ucmd->impulse == 204 )
{
// force client.dll update
SV_RefreshUserinfo();
}
svgame.globals->time = cl->timebase;
svgame.dllFuncs.pfnPlayerPreThink( clent );
SV_PlayerRunThink( clent, frametime, cl->timebase );
// If conveyor, or think, set basevelocity, then send to client asap too.
if( !VectorIsNull( clent->v.basevelocity ))
VectorCopy( clent->v.basevelocity, clent->v.clbasevelocity );
// setup playermove state
SV_SetupPMove( svgame.pmove, cl, ucmd, cl->physinfo );
// motor!
svgame.dllFuncs.pfnPM_Move( svgame.pmove, true );
// copy results back to client
SV_FinishPMove( svgame.pmove, cl );
// link into place and touch triggers
SV_LinkEdict( clent, true );
VectorCopy( clent->v.velocity, oldvel ); // save velocity
// touch other objects
for( i = 0; i < svgame.pmove->numtouch; i++ )
{
// never touch the objects when "playersonly" is active
if( i == MAX_PHYSENTS || ( sv.hostflags & SVF_PLAYERSONLY ))
break;
pmtrace = &svgame.pmove->touchindex[i];
touch = EDICT_NUM( svgame.pmove->physents[pmtrace->ent].info );
if( touch == clent ) continue;
VectorCopy( pmtrace->deltavelocity, clent->v.velocity );
SV_ConvertPMTrace( &trace, pmtrace, touch );
SV_Impact( touch, clent, &trace );
}
// restore velocity
VectorCopy( oldvel, clent->v.velocity );
svgame.pmove->numtouch = 0;
svgame.globals->time = cl->timebase;
svgame.globals->frametime = frametime;
// run post-think
svgame.dllFuncs.pfnPlayerPostThink( clent );
svgame.dllFuncs.pfnCmdEnd( clent );
if( !cl->fakeclient )
{
SV_RestoreMoveInterpolant( cl );
}
}
/*
===================
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;
}
}
}
/*
===========
SV_RunCmd
===========
*/
static void SV_RunCmd (usercmd_t *ucmd)
{
edict_t *ent;
int i, n;
int oldmsec;
cmd = *ucmd;
// chop up very long commands
if (cmd.msec > 50)
{
oldmsec = ucmd->msec;
cmd.msec = oldmsec/2;
SV_RunCmd (&cmd);
cmd.msec = oldmsec/2;
cmd.impulse = 0;
SV_RunCmd (&cmd);
return;
}
if (!sv_player->v.fixangle)
VectorCopy (ucmd->angles, sv_player->v.v_angle);
sv_player->v.button0 = ucmd->buttons & 1;
sv_player->v.button2 = (ucmd->buttons & 2)>>1;
if (ucmd->buttons & 4 || sv_player->v.playerclass == CLASS_DWARF) // crouched?
sv_player->v.flags2 = ((int)sv_player->v.flags2) | FL2_CROUCHED;
else
sv_player->v.flags2 = ((int)sv_player->v.flags2) & (~FL2_CROUCHED);
if (ucmd->impulse)
sv_player->v.impulse = ucmd->impulse;
//
// angles
// show 1/3 the pitch angle and all the roll angle
if (sv_player->v.health > 0)
{
if (!sv_player->v.fixangle)
{
sv_player->v.angles[PITCH] = -sv_player->v.v_angle[PITCH]/3;
sv_player->v.angles[YAW] = sv_player->v.v_angle[YAW];
}
sv_player->v.angles[ROLL] =
V_CalcRoll (sv_player->v.angles, sv_player->v.velocity)*4;
}
host_frametime = ucmd->msec * 0.001;
if (host_frametime > HX_FRAME_TIME)
host_frametime = HX_FRAME_TIME;
if (!host_client->spectator)
{
pr_global_struct->frametime = host_frametime;
pr_global_struct->time = sv.time;
pr_global_struct->self = EDICT_TO_PROG(sv_player);
PR_ExecuteProgram (pr_global_struct->PlayerPreThink);
SV_RunThink (sv_player);
}
for (i = 0; i < 3; i++)
pmove.origin[i] = sv_player->v.origin[i] + (sv_player->v.mins[i] - player_mins[i]);
VectorCopy (sv_player->v.velocity, pmove.velocity);
VectorCopy (sv_player->v.v_angle, pmove.angles);
pmove.spectator = host_client->spectator;
// pmove.waterjumptime = sv_player->v.teleport_time;
pmove.numphysent = 1;
pmove.physents[0].model = sv.worldmodel;
pmove.cmd = *ucmd;
pmove.dead = sv_player->v.health <= 0;
pmove.oldbuttons = host_client->oldbuttons;
pmove.hasted = sv_player->v.hasted;
pmove.movetype = sv_player->v.movetype;
pmove.crouched = (sv_player->v.hull == HULL_CROUCH);
pmove.teleport_time = realtime + (sv_player->v.teleport_time - sv.time);
// movevars.entgravity = host_client->entgravity;
movevars.entgravity = sv_player->v.gravity;
movevars.maxspeed = host_client->maxspeed;
for (i = 0; i < 3; i++)
{
pmove_mins[i] = pmove.origin[i] - 256;
pmove_maxs[i] = pmove.origin[i] + 256;
}
#if 1
AddLinksToPmove ( sv_areanodes );
#else
AddAllEntsToPmove ();
#endif
#if 0
{
int before, after;
before = PM_TestPlayerPosition (pmove.origin);
PlayerMove ();
after = PM_TestPlayerPosition (pmove.origin);
if (sv_player->v.health > 0 && before && !after )
Con_Printf ("player %s got stuck in playermove!!!!\n", host_client->name);
}
#else
PlayerMove ();
#endif
host_client->oldbuttons = pmove.oldbuttons;
// sv_player->v.teleport_time = pmove.waterjumptime;
sv_player->v.waterlevel = waterlevel;
sv_player->v.watertype = watertype;
if (onground != -1)
{
sv_player->v.flags = (int)sv_player->v.flags | FL_ONGROUND;
sv_player->v.groundentity = EDICT_TO_PROG(EDICT_NUM(pmove.physents[onground].info));
}
else
sv_player->v.flags = (int)sv_player->v.flags & ~FL_ONGROUND;
for (i = 0; i < 3; i++)
sv_player->v.origin[i] = pmove.origin[i] - (sv_player->v.mins[i] - player_mins[i]);
#if 0
// truncate velocity the same way the net protocol will
for (i = 0; i < 3; i++)
sv_player->v.velocity[i] = (int)pmove.velocity[i];
#else
VectorCopy (pmove.velocity, sv_player->v.velocity);
#endif
VectorCopy (pmove.angles, sv_player->v.v_angle);
if (!host_client->spectator)
{
// link into place and touch triggers
SV_LinkEdict (sv_player, true);
// touch other objects
for (i = 0; i < pmove.numtouch; i++)
{
n = pmove.physents[pmove.touchindex[i]].info;
ent = EDICT_NUM(n);
// Why not just do an SV_Impact here?
// SV_Impact(sv_player,ent);
if (sv_player->v.touch)
{
pr_global_struct->self = EDICT_TO_PROG(sv_player);
pr_global_struct->other = EDICT_TO_PROG(ent);
PR_ExecuteProgram (sv_player->v.touch);
}
if (!ent->v.touch || (playertouch[n/8]&(1<<(n%8))))
continue;
pr_global_struct->self = EDICT_TO_PROG(ent);
pr_global_struct->other = EDICT_TO_PROG(sv_player);
PR_ExecuteProgram (ent->v.touch);
playertouch[n/8] |= 1 << (n%8);
}
}
}
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;
}
}
}