2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 // sv_main.c -- server main program
24 static cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "0"}; // fast but loose
25 static cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "1"}; // tends to get false negatives, uses a timeout to keep entities visible a short time after becoming hidden
26 static cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0"};
27 static cvar_t sv_entpatch = {0, "sv_entpatch", "1"};
32 static char localmodels[MAX_MODELS][5]; // inline model names for precache
34 mempool_t *sv_edicts_mempool = NULL;
35 mempool_t *sv_clients_mempool = NULL;
37 //============================================================================
39 extern void SV_Phys_Init (void);
40 extern void SV_World_Init (void);
51 Cvar_RegisterVariable (&sv_maxvelocity);
52 Cvar_RegisterVariable (&sv_gravity);
53 Cvar_RegisterVariable (&sv_friction);
54 Cvar_RegisterVariable (&sv_edgefriction);
55 Cvar_RegisterVariable (&sv_stopspeed);
56 Cvar_RegisterVariable (&sv_maxspeed);
57 Cvar_RegisterVariable (&sv_accelerate);
58 Cvar_RegisterVariable (&sv_idealpitchscale);
59 Cvar_RegisterVariable (&sv_aim);
60 Cvar_RegisterVariable (&sv_nostep);
61 Cvar_RegisterVariable (&sv_deltacompress);
62 Cvar_RegisterVariable (&sv_cullentities_pvs);
63 Cvar_RegisterVariable (&sv_cullentities_trace);
64 Cvar_RegisterVariable (&sv_cullentities_stats);
65 Cvar_RegisterVariable (&sv_entpatch);
70 for (i = 0;i < MAX_MODELS;i++)
71 sprintf (localmodels[i], "*%i", i);
73 sv_edicts_mempool = Mem_AllocPool("server edicts");
74 sv_clients_mempool = Mem_AllocPool("server clients");
78 =============================================================================
82 =============================================================================
89 Make sure the event gets sent to all clients
92 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
96 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
98 MSG_WriteByte (&sv.datagram, svc_particle);
99 MSG_WriteDPCoord (&sv.datagram, org[0]);
100 MSG_WriteDPCoord (&sv.datagram, org[1]);
101 MSG_WriteDPCoord (&sv.datagram, org[2]);
102 for (i=0 ; i<3 ; i++)
109 MSG_WriteChar (&sv.datagram, v);
111 MSG_WriteByte (&sv.datagram, count);
112 MSG_WriteByte (&sv.datagram, color);
119 Make sure the event gets sent to all clients
122 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
124 if (modelindex >= 256 || startframe >= 256)
126 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
128 MSG_WriteByte (&sv.datagram, svc_effect2);
129 MSG_WriteDPCoord (&sv.datagram, org[0]);
130 MSG_WriteDPCoord (&sv.datagram, org[1]);
131 MSG_WriteDPCoord (&sv.datagram, org[2]);
132 MSG_WriteShort (&sv.datagram, modelindex);
133 MSG_WriteShort (&sv.datagram, startframe);
134 MSG_WriteByte (&sv.datagram, framecount);
135 MSG_WriteByte (&sv.datagram, framerate);
139 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
141 MSG_WriteByte (&sv.datagram, svc_effect);
142 MSG_WriteDPCoord (&sv.datagram, org[0]);
143 MSG_WriteDPCoord (&sv.datagram, org[1]);
144 MSG_WriteDPCoord (&sv.datagram, org[2]);
145 MSG_WriteByte (&sv.datagram, modelindex);
146 MSG_WriteByte (&sv.datagram, startframe);
147 MSG_WriteByte (&sv.datagram, framecount);
148 MSG_WriteByte (&sv.datagram, framerate);
156 Each entity can have eight independant sound sources, like voice,
159 Channel 0 is an auto-allocate channel, the others override anything
160 already running on that entity/channel pair.
162 An attenuation of 0 will play full volume everywhere in the level.
163 Larger attenuations will drop off. (max 4 attenuation)
167 void SV_StartSound (edict_t *entity, int channel, char *sample, int volume, float attenuation)
169 int sound_num, field_mask, i, ent;
171 if (volume < 0 || volume > 255)
172 Host_Error ("SV_StartSound: volume = %i", volume);
174 if (attenuation < 0 || attenuation > 4)
175 Host_Error ("SV_StartSound: attenuation = %f", attenuation);
177 if (channel < 0 || channel > 7)
178 Host_Error ("SV_StartSound: channel = %i", channel);
180 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
183 // find precache number for sound
184 for (sound_num=1 ; sound_num<MAX_SOUNDS && sv.sound_precache[sound_num] ; sound_num++)
185 if (!strcmp(sample, sv.sound_precache[sound_num]))
188 if ( sound_num == MAX_SOUNDS || !sv.sound_precache[sound_num] )
190 Con_Printf ("SV_StartSound: %s not precached\n", sample);
194 ent = NUM_FOR_EDICT(entity);
197 if (volume != DEFAULT_SOUND_PACKET_VOLUME)
198 field_mask |= SND_VOLUME;
199 if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
200 field_mask |= SND_ATTENUATION;
202 field_mask |= SND_LARGEENTITY;
203 if (sound_num >= 256 || channel >= 8)
204 field_mask |= SND_LARGESOUND;
206 // directed messages go only to the entity they are targeted on
207 MSG_WriteByte (&sv.datagram, svc_sound);
208 MSG_WriteByte (&sv.datagram, field_mask);
209 if (field_mask & SND_VOLUME)
210 MSG_WriteByte (&sv.datagram, volume);
211 if (field_mask & SND_ATTENUATION)
212 MSG_WriteByte (&sv.datagram, attenuation*64);
213 if (field_mask & SND_LARGEENTITY)
215 MSG_WriteShort (&sv.datagram, ent);
216 MSG_WriteByte (&sv.datagram, channel);
219 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
220 if (field_mask & SND_LARGESOUND)
221 MSG_WriteShort (&sv.datagram, sound_num);
223 MSG_WriteByte (&sv.datagram, sound_num);
224 for (i = 0;i < 3;i++)
225 MSG_WriteDPCoord (&sv.datagram, entity->v->origin[i]+0.5*(entity->v->mins[i]+entity->v->maxs[i]));
229 ==============================================================================
233 ==============================================================================
240 Sends the first message from the server to a connected client.
241 This will be sent on the initial connection and upon each server load.
244 void SV_SendServerinfo (client_t *client)
249 // edicts get reallocated on level changes, so we need to update it here
250 client->edict = EDICT_NUM(client->number + 1);
252 // LordHavoc: clear entityframe tracking
253 client->entityframenumber = 0;
254 if (client->entitydatabase4)
255 EntityFrame4_FreeDatabase(client->entitydatabase4);
256 client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_clients_mempool);
258 MSG_WriteByte (&client->message, svc_print);
259 sprintf (message, "\002\nServer: %s build %s (progs %i crc)", gamename, buildstring, pr_crc);
260 MSG_WriteString (&client->message,message);
262 MSG_WriteByte (&client->message, svc_serverinfo);
263 MSG_WriteLong (&client->message, DPPROTOCOL_VERSION4);
264 MSG_WriteByte (&client->message, MAX_SCOREBOARD);
266 if (!coop.integer && deathmatch.integer)
267 MSG_WriteByte (&client->message, GAME_DEATHMATCH);
269 MSG_WriteByte (&client->message, GAME_COOP);
271 MSG_WriteString (&client->message,PR_GetString(sv.edicts->v->message));
273 for (s = sv.model_precache+1 ; *s ; s++)
274 MSG_WriteString (&client->message, *s);
275 MSG_WriteByte (&client->message, 0);
277 for (s = sv.sound_precache+1 ; *s ; s++)
278 MSG_WriteString (&client->message, *s);
279 MSG_WriteByte (&client->message, 0);
282 MSG_WriteByte (&client->message, svc_cdtrack);
283 MSG_WriteByte (&client->message, sv.edicts->v->sounds);
284 MSG_WriteByte (&client->message, sv.edicts->v->sounds);
287 MSG_WriteByte (&client->message, svc_setview);
288 MSG_WriteShort (&client->message, NUM_FOR_EDICT(client->edict));
290 MSG_WriteByte (&client->message, svc_signonnum);
291 MSG_WriteByte (&client->message, 1);
293 client->sendsignon = true;
294 client->spawned = false; // need prespawn, spawn, etc
301 Initializes a client_t for a new net connection. This will only be called
302 once for a player each game, not once for each level change.
305 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
309 float spawn_parms[NUM_SPAWN_PARMS];
311 client = svs.connectedclients[clientnum];
313 // set up the client_t
315 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
316 memset (client, 0, sizeof(*client));
317 client->netconnection = netconnection;
319 Con_DPrintf("Client %s connected\n", client->netconnection->address);
321 strcpy(client->name, "unconnected");
322 strcpy(client->old_name, "unconnected");
323 client->number = clientnum;
324 client->spawned = false;
325 client->edict = EDICT_NUM(clientnum+1);
326 client->message.data = client->msgbuf;
327 client->message.maxsize = sizeof(client->msgbuf);
328 client->message.allowoverflow = true; // we can catch it
331 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
334 // call the progs to get default spawn parms for the new client
335 PR_ExecuteProgram (pr_global_struct->SetNewParms, "QC function SetNewParms is missing");
336 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
337 client->spawn_parms[i] = (&pr_global_struct->parm1)[i];
340 SV_SendServerinfo (client);
345 ===============================================================================
349 ===============================================================================
358 void SV_ClearDatagram (void)
360 SZ_Clear (&sv.datagram);
364 =============================================================================
366 The PVS must include a small area around the client to allow head bobbing
367 or other small motion on the client side. Otherwise, a bob might cause an
368 entity that should be visible to not show up, especially when the bob
371 =============================================================================
374 int sv_writeentitiestoclient_pvsbytes;
375 qbyte sv_writeentitiestoclient_pvs[MAX_MAP_LEAFS/8];
379 SV_WriteEntitiesToClient
384 void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
386 int e, clentnum, bits, alpha, glowcolor, glowsize, scale, effects, lightsize;
387 int culled_pvs, culled_trace, visibleentities, totalentities;
389 vec3_t origin, angles, entmins, entmaxs, testorigin, testeye;
390 float nextfullupdate, alphaf;
393 entity_state_t *baseline; // LordHavoc: delta or startup baseline
396 Mod_CheckLoaded(sv.worldmodel);
398 // find the client's PVS
399 VectorAdd (clent->v->origin, clent->v->view_ofs, testeye);
401 if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
402 fatbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, testeye, 8, sv_writeentitiestoclient_pvs, sizeof(sv_writeentitiestoclient_pvs));
409 clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
410 // send all entities that touch the pvs
411 ent = NEXT_EDICT(sv.edicts);
412 for (e = 1;e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
416 // prevent delta compression against this frame (unless actually sent, which will restore this later)
417 nextfullupdate = client->nextfullupdate[e];
418 client->nextfullupdate[e] = -1;
420 if (ent != clent) // LordHavoc: always send player
422 if ((val = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)) && val->edict)
424 if (val->edict != clentnum)
426 // don't show to anyone else
430 bits |= U_VIEWMODEL; // show relative to the view
434 // LordHavoc: never draw something told not to display to this client
435 if ((val = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)) && val->edict == clentnum)
437 if ((val = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)) && val->edict && val->edict != clentnum)
444 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_size)))
445 glowsize = (int) val->_float >> 2;
446 if (glowsize > 255) glowsize = 255;
447 if (glowsize < 0) glowsize = 0;
449 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_trail)))
450 if (val->_float != 0)
453 if (ent->v->modelindex >= 0 && ent->v->modelindex < MAX_MODELS && *PR_GetString(ent->v->model))
455 model = sv.models[(int)ent->v->modelindex];
456 Mod_CheckLoaded(model);
461 if (ent != clent) // LordHavoc: always send player
462 if (glowsize == 0 && (bits & U_GLOWTRAIL) == 0) // no effects
466 VectorCopy(ent->v->angles, angles);
467 VectorCopy(ent->v->origin, origin);
469 // ent has survived every check so far, check if it is visible
470 if (ent != clent && ((bits & U_VIEWMODEL) == 0))
472 // use the predicted origin
473 entmins[0] = origin[0] - 1.0f;
474 entmins[1] = origin[1] - 1.0f;
475 entmins[2] = origin[2] - 1.0f;
476 entmaxs[0] = origin[0] + 1.0f;
477 entmaxs[1] = origin[1] + 1.0f;
478 entmaxs[2] = origin[2] + 1.0f;
479 // using the model's bounding box to ensure things are visible regardless of their physics box
482 if (ent->v->angles[0] || ent->v->angles[2]) // pitch and roll
484 VectorAdd(entmins, model->rotatedmins, entmins);
485 VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
487 else if (ent->v->angles[1])
489 VectorAdd(entmins, model->yawmins, entmins);
490 VectorAdd(entmaxs, model->yawmaxs, entmaxs);
494 VectorAdd(entmins, model->normalmins, entmins);
495 VectorAdd(entmaxs, model->normalmaxs, entmaxs);
501 // if not touching a visible leaf
502 if (sv_cullentities_pvs.integer && fatbytes && sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv_writeentitiestoclient_pvs, entmins, entmaxs))
508 // don't try to cull embedded brush models with this, they're sometimes huge (spanning several rooms)
509 if (sv_cullentities_trace.integer && (model == NULL || model->brush.TraceBox == NULL || model->name[0] != '*'))
511 // LordHavoc: test random offsets, to maximize chance of detection
512 testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
513 testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
514 testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
516 sv.worldmodel->brush.TraceBox(sv.worldmodel, &trace, testeye, testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
517 if (trace.fraction == 1)
518 client->visibletime[e] = realtime + 1;
521 //test nearest point on bbox
522 testorigin[0] = bound(entmins[0], testeye[0], entmaxs[0]);
523 testorigin[1] = bound(entmins[1], testeye[1], entmaxs[1]);
524 testorigin[2] = bound(entmins[2], testeye[2], entmaxs[2]);
526 sv.worldmodel->brush.TraceBox(sv.worldmodel, &trace, testeye, testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
527 if (trace.fraction == 1)
528 client->visibletime[e] = realtime + 1;
529 else if (realtime > client->visibletime[e])
542 effects = ent->v->effects;
544 if ((val = GETEDICTFIELDVALUE(ent, eval_alpha)))
545 if (val->_float != 0)
546 alphaf = val->_float * 255.0f;
549 if ((val = GETEDICTFIELDVALUE(ent, eval_renderamt)))
550 if (val->_float != 0)
551 alphaf = val->_float;
555 alpha = bound(0, alphaf, 255);
557 if ((val = GETEDICTFIELDVALUE(ent, eval_scale)))
558 if ((scale = (int) (val->_float * 16.0)) == 0) scale = 16;
559 if (scale < 0) scale = 0;
560 if (scale > 255) scale = 255;
562 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_color)))
563 if (val->_float != 0)
564 glowcolor = (int) val->_float;
566 if ((val = GETEDICTFIELDVALUE(ent, eval_fullbright)))
567 if (val->_float != 0)
568 effects |= EF_FULLBRIGHT;
572 if (glowsize == 0 && (bits & U_GLOWTRAIL) == 0) // no effects
576 // don't send if flagged for NODRAW and there are no effects
577 if (model->flags == 0 && ((effects & EF_NODRAW) || scale <= 0 || alpha <= 0))
580 else // no model and no effects
585 if (msg->maxsize - msg->cursize < 32) // LordHavoc: increased check from 16 to 32
587 Con_Printf ("packet overflow\n");
588 // mark the rest of the entities so they can't be delta compressed against this frame
589 for (;e < sv.num_edicts;e++)
591 client->nextfullupdate[e] = -1;
592 client->visibletime[e] = -1;
597 if ((val = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)) && val->edict == clentnum)
598 bits = bits | U_EXTERIORMODEL;
601 baseline = &ent->e->baseline;
603 if (((int)ent->v->effects & EF_DELTA) && sv_deltacompress.integer)
605 // every half second a full update is forced
606 if (realtime < client->nextfullupdate[e])
609 baseline = &ent->e->deltabaseline;
612 nextfullupdate = realtime + 0.5f;
615 nextfullupdate = realtime + 0.5f;
617 // restore nextfullupdate since this is being sent for real
618 client->nextfullupdate[e] = nextfullupdate;
621 bits |= U_LONGENTITY;
623 if (ent->v->movetype == MOVETYPE_STEP)
626 // LordHavoc: old stuff, but rewritten to have more exact tolerances
627 if (origin[0] != baseline->origin[0]) bits |= U_ORIGIN1;
628 if (origin[1] != baseline->origin[1]) bits |= U_ORIGIN2;
629 if (origin[2] != baseline->origin[2]) bits |= U_ORIGIN3;
630 if (((int)(angles[0]*(256.0/360.0)) & 255) != ((int)(baseline->angles[0]*(256.0/360.0)) & 255)) bits |= U_ANGLE1;
631 if (((int)(angles[1]*(256.0/360.0)) & 255) != ((int)(baseline->angles[1]*(256.0/360.0)) & 255)) bits |= U_ANGLE2;
632 if (((int)(angles[2]*(256.0/360.0)) & 255) != ((int)(baseline->angles[2]*(256.0/360.0)) & 255)) bits |= U_ANGLE3;
633 if (baseline->colormap != (qbyte) ent->v->colormap) bits |= U_COLORMAP;
634 if (baseline->skin != (qbyte) ent->v->skin) bits |= U_SKIN;
635 if ((baseline->frame & 0x00FF) != ((int) ent->v->frame & 0x00FF)) bits |= U_FRAME;
636 if ((baseline->effects & 0x00FF) != ((int) ent->v->effects & 0x00FF)) bits |= U_EFFECTS;
637 if ((baseline->modelindex & 0x00FF) != ((int) ent->v->modelindex & 0x00FF)) bits |= U_MODEL;
639 // LordHavoc: new stuff
640 if (baseline->alpha != alpha) bits |= U_ALPHA;
641 if (baseline->scale != scale) bits |= U_SCALE;
642 if (((int) baseline->effects & 0xFF00) != ((int) ent->v->effects & 0xFF00)) bits |= U_EFFECTS2;
643 if (baseline->glowsize != glowsize) bits |= U_GLOWSIZE;
644 if (baseline->glowcolor != glowcolor) bits |= U_GLOWCOLOR;
645 if (((int) baseline->frame & 0xFF00) != ((int) ent->v->frame & 0xFF00)) bits |= U_FRAME2;
646 if (((int) baseline->frame & 0xFF00) != ((int) ent->v->modelindex & 0xFF00)) bits |= U_MODEL2;
648 // update delta baseline
649 VectorCopy(ent->v->origin, ent->e->deltabaseline.origin);
650 VectorCopy(ent->v->angles, ent->e->deltabaseline.angles);
651 ent->e->deltabaseline.colormap = ent->v->colormap;
652 ent->e->deltabaseline.skin = ent->v->skin;
653 ent->e->deltabaseline.frame = ent->v->frame;
654 ent->e->deltabaseline.effects = ent->v->effects;
655 ent->e->deltabaseline.modelindex = ent->v->modelindex;
656 ent->e->deltabaseline.alpha = alpha;
657 ent->e->deltabaseline.scale = scale;
658 ent->e->deltabaseline.glowsize = glowsize;
659 ent->e->deltabaseline.glowcolor = glowcolor;
662 if (bits >= 16777216)
670 MSG_WriteByte (msg, bits);
671 if (bits & U_MOREBITS)
672 MSG_WriteByte (msg, bits>>8);
673 // LordHavoc: extend bytes have to be written here due to delta compression
674 if (bits & U_EXTEND1)
675 MSG_WriteByte (msg, bits>>16);
676 if (bits & U_EXTEND2)
677 MSG_WriteByte (msg, bits>>24);
679 // LordHavoc: old stuff
680 if (bits & U_LONGENTITY)
681 MSG_WriteShort (msg,e);
683 MSG_WriteByte (msg,e);
684 if (bits & U_MODEL) MSG_WriteByte(msg, ent->v->modelindex);
685 if (bits & U_FRAME) MSG_WriteByte(msg, ent->v->frame);
686 if (bits & U_COLORMAP) MSG_WriteByte(msg, ent->v->colormap);
687 if (bits & U_SKIN) MSG_WriteByte(msg, ent->v->skin);
688 if (bits & U_EFFECTS) MSG_WriteByte(msg, ent->v->effects);
689 if (bits & U_ORIGIN1) MSG_WriteDPCoord(msg, origin[0]);
690 if (bits & U_ANGLE1) MSG_WriteAngle(msg, angles[0]);
691 if (bits & U_ORIGIN2) MSG_WriteDPCoord(msg, origin[1]);
692 if (bits & U_ANGLE2) MSG_WriteAngle(msg, angles[1]);
693 if (bits & U_ORIGIN3) MSG_WriteDPCoord(msg, origin[2]);
694 if (bits & U_ANGLE3) MSG_WriteAngle(msg, angles[2]);
696 // LordHavoc: new stuff
697 if (bits & U_ALPHA) MSG_WriteByte(msg, alpha);
698 if (bits & U_SCALE) MSG_WriteByte(msg, scale);
699 if (bits & U_EFFECTS2) MSG_WriteByte(msg, (int)ent->v->effects >> 8);
700 if (bits & U_GLOWSIZE) MSG_WriteByte(msg, glowsize);
701 if (bits & U_GLOWCOLOR) MSG_WriteByte(msg, glowcolor);
702 if (bits & U_FRAME2) MSG_WriteByte(msg, (int)ent->v->frame >> 8);
703 if (bits & U_MODEL2) MSG_WriteByte(msg, (int)ent->v->modelindex >> 8);
706 if (sv_cullentities_stats.integer)
707 Con_Printf("client \"%s\" entities: %d total, %d visible, %d culled by: %d pvs %d trace\n", client->name, totalentities, visibleentities, culled_pvs + culled_trace, culled_pvs, culled_trace);
710 static int numsendentities;
711 static entity_state_t sendentities[MAX_EDICTS];
712 static entity_state_t *sendentitiesindex[MAX_EDICTS];
714 void SV_PrepareEntitiesForSending(void)
720 // send all entities that touch the pvs
722 sendentitiesindex[0] = NULL;
723 for (e = 1, ent = NEXT_EDICT(sv.edicts);e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
725 sendentitiesindex[e] = NULL;
729 ClearStateToDefault(&cs);
732 VectorCopy(ent->v->origin, cs.origin);
733 VectorCopy(ent->v->angles, cs.angles);
735 cs.effects = (int)ent->v->effects;
736 cs.colormap = (qbyte)ent->v->colormap;
737 cs.skin = (qbyte)ent->v->skin;
738 cs.frame = (qbyte)ent->v->frame;
739 cs.viewmodelforclient = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)->edict;
740 cs.exteriormodelforclient = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)->edict;
741 cs.nodrawtoclient = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)->edict;
742 cs.drawonlytoclient = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)->edict;
743 cs.tagentity = GETEDICTFIELDVALUE(ent, eval_tag_entity)->edict;
744 cs.tagindex = (qbyte)GETEDICTFIELDVALUE(ent, eval_tag_index)->_float;
745 i = (int)(GETEDICTFIELDVALUE(ent, eval_glow_size)->_float * 0.25f);
746 cs.glowsize = (qbyte)bound(0, i, 255);
747 if (GETEDICTFIELDVALUE(ent, eval_glow_trail)->_float)
748 cs.flags |= RENDER_GLOWTRAIL;
751 i = (int)ent->v->modelindex;
752 if (i >= 1 && i < MAX_MODELS && *PR_GetString(ent->v->model))
756 f = (GETEDICTFIELDVALUE(ent, eval_alpha)->_float * 255.0f);
760 cs.alpha = (qbyte)bound(0, i, 255);
763 f = (GETEDICTFIELDVALUE(ent, eval_renderamt)->_float);
767 cs.alpha = (qbyte)bound(0, i, 255);
771 f = (GETEDICTFIELDVALUE(ent, eval_scale)->_float * 16.0f);
775 cs.scale = (qbyte)bound(0, i, 255);
779 f = (GETEDICTFIELDVALUE(ent, eval_glow_color)->_float);
781 cs.glowcolor = (int)f;
783 if (GETEDICTFIELDVALUE(ent, eval_fullbright)->_float)
784 cs.effects |= EF_FULLBRIGHT;
786 if (ent->v->movetype == MOVETYPE_STEP)
787 cs.flags |= RENDER_STEP;
788 if ((cs.effects & EF_LOWPRECISION) && cs.origin[0] >= -32768 && cs.origin[1] >= -32768 && cs.origin[2] >= -32768 && cs.origin[0] <= 32767 && cs.origin[1] <= 32767 && cs.origin[2] <= 32767)
789 cs.flags |= RENDER_LOWPRECISION;
790 if (ent->v->colormap >= 1024)
791 cs.flags |= RENDER_COLORMAPPED;
792 if (cs.viewmodelforclient)
793 cs.flags |= RENDER_VIEWMODEL; // show relative to the view
795 cs.specialvisibilityradius = 0;
797 cs.specialvisibilityradius = max(cs.specialvisibilityradius, cs.glowsize * 4);
798 if (cs.flags & RENDER_GLOWTRAIL)
799 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
800 if (cs.effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
802 if (cs.effects & EF_BRIGHTFIELD)
803 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 80);
804 if (cs.effects & EF_MUZZLEFLASH)
805 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
806 if (cs.effects & EF_BRIGHTLIGHT)
807 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 400);
808 if (cs.effects & EF_DIMLIGHT)
809 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
810 if (cs.effects & EF_RED)
811 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
812 if (cs.effects & EF_BLUE)
813 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
814 if (cs.effects & EF_FLAME)
815 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 250);
816 if (cs.effects & EF_STARDUST)
817 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
820 if (numsendentities >= MAX_EDICTS)
822 // we can omit invisible entities with no effects that are not clients
823 // LordHavoc: this could kill tags attached to an invisible entity, I
824 // just hope we never have to support that case
825 if (cs.number > MAX_SCOREBOARD && ((cs.effects & EF_NODRAW) || (!cs.modelindex && !cs.specialvisibilityradius)))
827 sendentitiesindex[e] = sendentities + numsendentities;
828 sendentities[numsendentities++] = cs;
832 static int sententitiesmark = 0;
833 static int sententities[MAX_EDICTS];
834 static int sententitiesconsideration[MAX_EDICTS];
835 static int sv_writeentitiestoclient_culled_pvs;
836 static int sv_writeentitiestoclient_culled_trace;
837 static int sv_writeentitiestoclient_visibleentities;
838 static int sv_writeentitiestoclient_totalentities;
839 //static entity_frame_t sv_writeentitiestoclient_entityframe;
840 static int sv_writeentitiestoclient_clentnum;
841 static vec3_t sv_writeentitiestoclient_testeye;
842 static client_t *sv_writeentitiestoclient_client;
844 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
846 vec3_t entmins, entmaxs, lightmins, lightmaxs, testorigin;
849 if (sententitiesconsideration[s->number] == sententitiesmark)
851 sententitiesconsideration[s->number] = sententitiesmark;
852 // viewmodels don't have visibility checking
853 if (s->viewmodelforclient)
855 if (s->viewmodelforclient != sv_writeentitiestoclient_clentnum)
858 // never reject player
859 else if (s->number != sv_writeentitiestoclient_clentnum)
861 // check various rejection conditions
862 if (s->nodrawtoclient == sv_writeentitiestoclient_clentnum)
864 if (s->drawonlytoclient && s->drawonlytoclient != sv_writeentitiestoclient_clentnum)
866 if (s->effects & EF_NODRAW)
868 // LordHavoc: only send entities with a model or important effects
869 if (!s->modelindex && s->specialvisibilityradius == 0)
873 // tag attached entities simply check their parent
874 if (!sendentitiesindex[s->tagentity])
876 SV_MarkWriteEntityStateToClient(sendentitiesindex[s->tagentity]);
877 if (sententities[s->tagentity] != sententitiesmark)
880 // always send world submodels, they don't generate much traffic
881 else if ((model = sv.models[s->modelindex]) == NULL || model->name[0] != '*')
883 Mod_CheckLoaded(model);
884 // entity has survived every check so far, check if visible
885 // enlarged box to account for prediction (not that there is
886 // any currently, but still helps the 'run into a room and
887 // watch items pop up' problem)
888 entmins[0] = s->origin[0] - 32.0f;
889 entmins[1] = s->origin[1] - 32.0f;
890 entmins[2] = s->origin[2] - 32.0f;
891 entmaxs[0] = s->origin[0] + 32.0f;
892 entmaxs[1] = s->origin[1] + 32.0f;
893 entmaxs[2] = s->origin[2] + 32.0f;
894 // using the model's bounding box to ensure things are visible regardless of their physics box
897 if (s->angles[0] || s->angles[2]) // pitch and roll
899 VectorAdd(entmins, model->rotatedmins, entmins);
900 VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
902 else if (s->angles[1])
904 VectorAdd(entmins, model->yawmins, entmins);
905 VectorAdd(entmaxs, model->yawmaxs, entmaxs);
909 VectorAdd(entmins, model->normalmins, entmins);
910 VectorAdd(entmaxs, model->normalmaxs, entmaxs);
913 lightmins[0] = min(entmins[0], s->origin[0] - s->specialvisibilityradius);
914 lightmins[1] = min(entmins[1], s->origin[1] - s->specialvisibilityradius);
915 lightmins[2] = min(entmins[2], s->origin[2] - s->specialvisibilityradius);
916 lightmaxs[0] = min(entmaxs[0], s->origin[0] + s->specialvisibilityradius);
917 lightmaxs[1] = min(entmaxs[1], s->origin[1] + s->specialvisibilityradius);
918 lightmaxs[2] = min(entmaxs[2], s->origin[2] + s->specialvisibilityradius);
919 sv_writeentitiestoclient_totalentities++;
920 // if not touching a visible leaf
921 if (sv_cullentities_pvs.integer && sv_writeentitiestoclient_pvsbytes && sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv_writeentitiestoclient_pvs, lightmins, lightmaxs))
923 sv_writeentitiestoclient_culled_pvs++;
926 // or not seen by random tracelines
927 if (sv_cullentities_trace.integer)
929 // LordHavoc: test center first
930 testorigin[0] = (entmins[0] + entmaxs[0]) * 0.5f;
931 testorigin[1] = (entmins[1] + entmaxs[1]) * 0.5f;
932 testorigin[2] = (entmins[2] + entmaxs[2]) * 0.5f;
933 sv.worldmodel->brush.TraceBox(sv.worldmodel, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
934 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
935 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
938 // LordHavoc: test random offsets, to maximize chance of detection
939 testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
940 testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
941 testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
942 sv.worldmodel->brush.TraceBox(sv.worldmodel, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
943 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
944 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
947 if (s->specialvisibilityradius)
949 // LordHavoc: test random offsets, to maximize chance of detection
950 testorigin[0] = lhrandom(lightmins[0], lightmaxs[0]);
951 testorigin[1] = lhrandom(lightmins[1], lightmaxs[1]);
952 testorigin[2] = lhrandom(lightmins[2], lightmaxs[2]);
953 sv.worldmodel->brush.TraceBox(sv.worldmodel, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
954 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
955 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
959 if (realtime > sv_writeentitiestoclient_client->visibletime[s->number])
961 sv_writeentitiestoclient_culled_trace++;
965 sv_writeentitiestoclient_visibleentities++;
968 // this just marks it for sending
969 // FIXME: it would be more efficient to send here, but the entity
970 // compressor isn't that flexible
971 sententities[s->number] = sententitiesmark;
974 void SV_WriteEntitiesToClient(client_t *client, edict_t *clent, sizebuf_t *msg)
979 entity_database4_t *d;
980 int maxbytes, n, startnumber;
981 entity_state_t *e, inactiveentitystate;
984 // prepare the buffer
985 memset(&buf, 0, sizeof(buf));
987 buf.maxsize = sizeof(data);
989 // this state's number gets played around with later
990 ClearStateToDefault(&inactiveentitystate);
991 //inactiveentitystate = defaultstate;
993 sv_writeentitiestoclient_client = client;
995 sv_writeentitiestoclient_culled_pvs = 0;
996 sv_writeentitiestoclient_culled_trace = 0;
997 sv_writeentitiestoclient_visibleentities = 0;
998 sv_writeentitiestoclient_totalentities = 0;
1000 Mod_CheckLoaded(sv.worldmodel);
1002 // find the client's PVS
1003 // the real place being tested from
1004 VectorAdd(clent->v->origin, clent->v->view_ofs, sv_writeentitiestoclient_testeye);
1005 sv_writeentitiestoclient_pvsbytes = 0;
1006 if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1007 sv_writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv_writeentitiestoclient_testeye, 8, sv_writeentitiestoclient_pvs, sizeof(sv_writeentitiestoclient_pvs));
1009 sv_writeentitiestoclient_clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1013 // the place being reported (to consider the fact the client still
1014 // applies the view_ofs[2], so we have to only send the fractional part
1015 // of view_ofs[2], undoing what the client will redo)
1016 VectorCopy(sv_writeentitiestoclient_testeye, testorigin);
1017 i = (int) clent->v->view_ofs[2] & 255;
1020 testorigin[2] -= (float) i;
1022 for (i = 0;i < numsendentities;i++)
1023 SV_MarkWriteEntityStateToClient(sendentities + i);
1025 d = client->entitydatabase4;
1026 // calculate maximum bytes to allow in this packet
1027 // deduct 4 to account for the end data
1028 maxbytes = min(msg->maxsize, MAX_PACKETFRAGMENT) - 4;
1030 d->currentcommit = d->commit + EntityFrame4_SV_ChooseCommitToReplace(d);
1031 d->currentcommit->numentities = 0;
1032 d->currentcommit->framenum = ++client->entityframenumber;
1033 MSG_WriteByte(msg, svc_entities);
1034 MSG_WriteLong(msg, d->referenceframenum);
1035 MSG_WriteLong(msg, d->currentcommit->framenum);
1036 if (d->currententitynumber >= sv.max_edicts)
1039 startnumber = bound(1, d->currententitynumber, sv.max_edicts - 1);
1040 MSG_WriteShort(msg, startnumber);
1041 // reset currententitynumber so if the loop does not break it we will
1042 // start at beginning next frame (if it does break, it will set it)
1043 d->currententitynumber = 1;
1044 for (i = 0, n = startnumber;n < sv.max_edicts;n++)
1046 // find the old state to delta from
1047 e = EntityFrame4_GetReferenceEntity(d, n);
1048 // prepare the buffer
1051 if (sententities[n] == sententitiesmark)
1053 // entity exists, build an update (if empty there is no change)
1054 // find the state in the list
1055 for (;i < numsendentities && sendentities[i].number < n;i++);
1056 s = sendentities + i;
1058 Sys_Error("SV_WriteEntitiesToClient: s->number != n\n");
1060 if (s->exteriormodelforclient && s->exteriormodelforclient == sv_writeentitiestoclient_clentnum)
1062 s->flags |= RENDER_EXTERIORMODEL;
1063 EntityState_Write(s, &buf, e);
1064 s->flags &= ~RENDER_EXTERIORMODEL;
1067 EntityState_Write(s, &buf, e);
1071 s = &inactiveentitystate;
1075 // entity used to exist but doesn't anymore, send remove
1076 MSG_WriteShort(&buf, n | 0x8000);
1079 // if the commit is full, we're done this frame
1080 if (msg->cursize + buf.cursize > maxbytes)
1082 // next frame we will continue where we left off
1085 // add the entity to the commit
1086 EntityFrame4_AddCommitEntity(d, s);
1087 // if the message is empty, skip out now
1090 // write the message to the packet
1091 SZ_Write(msg, buf.data, buf.cursize);
1094 d->currententitynumber = n;
1096 // remove world message (invalid, and thus a good terminator)
1097 MSG_WriteShort(msg, 0x8000);
1098 // write the number of the end entity
1099 MSG_WriteShort(msg, d->currententitynumber);
1101 d->currentcommit = NULL;
1103 if (sv_cullentities_stats.integer)
1104 Con_Printf("client \"%s\" entities: %d total, %d visible, %d culled by: %d pvs %d trace\n", client->name, sv_writeentitiestoclient_totalentities, sv_writeentitiestoclient_visibleentities, sv_writeentitiestoclient_culled_pvs + sv_writeentitiestoclient_culled_trace, sv_writeentitiestoclient_culled_pvs, sv_writeentitiestoclient_culled_trace);
1114 void SV_CleanupEnts (void)
1119 ent = NEXT_EDICT(sv.edicts);
1120 for (e=1 ; e<sv.num_edicts ; e++, ent = NEXT_EDICT(ent))
1121 ent->v->effects = (int)ent->v->effects & ~EF_MUZZLEFLASH;
1126 SV_WriteClientdataToMessage
1130 void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
1141 // send a damage message
1143 if (ent->v->dmg_take || ent->v->dmg_save)
1145 other = PROG_TO_EDICT(ent->v->dmg_inflictor);
1146 MSG_WriteByte (msg, svc_damage);
1147 MSG_WriteByte (msg, ent->v->dmg_save);
1148 MSG_WriteByte (msg, ent->v->dmg_take);
1149 for (i=0 ; i<3 ; i++)
1150 MSG_WriteDPCoord (msg, other->v->origin[i] + 0.5*(other->v->mins[i] + other->v->maxs[i]));
1152 ent->v->dmg_take = 0;
1153 ent->v->dmg_save = 0;
1157 // send the current viewpos offset from the view entity
1159 SV_SetIdealPitch (); // how much to look up / down ideally
1161 // a fixangle might get lost in a dropped packet. Oh well.
1162 if ( ent->v->fixangle )
1164 MSG_WriteByte (msg, svc_setangle);
1165 for (i=0 ; i < 3 ; i++)
1166 MSG_WriteAngle (msg, ent->v->angles[i] );
1167 ent->v->fixangle = 0;
1172 if (ent->v->view_ofs[2] != DEFAULT_VIEWHEIGHT)
1173 bits |= SU_VIEWHEIGHT;
1175 if (ent->v->idealpitch)
1176 bits |= SU_IDEALPITCH;
1178 // stuff the sigil bits into the high bits of items for sbar, or else
1180 val = GETEDICTFIELDVALUE(ent, eval_items2);
1183 items = (int)ent->v->items | ((int)val->_float << 23);
1185 items = (int)ent->v->items | ((int)pr_global_struct->serverflags << 28);
1189 if ( (int)ent->v->flags & FL_ONGROUND)
1190 bits |= SU_ONGROUND;
1192 if ( ent->v->waterlevel >= 2)
1196 VectorClear(punchvector);
1197 if ((val = GETEDICTFIELDVALUE(ent, eval_punchvector)))
1198 VectorCopy(val->vector, punchvector);
1201 if ((val = GETEDICTFIELDVALUE(ent, eval_viewzoom)))
1203 i = val->_float * 255.0f;
1207 i = bound(0, i, 255);
1211 if (viewzoom != 255)
1212 bits |= SU_VIEWZOOM;
1214 for (i=0 ; i<3 ; i++)
1216 if (ent->v->punchangle[i])
1217 bits |= (SU_PUNCH1<<i);
1218 if (punchvector[i]) // dpprotocol
1219 bits |= (SU_PUNCHVEC1<<i); // dpprotocol
1220 if (ent->v->velocity[i])
1221 bits |= (SU_VELOCITY1<<i);
1224 if (ent->v->weaponframe)
1225 bits |= SU_WEAPONFRAME;
1227 if (ent->v->armorvalue)
1234 if (bits >= 16777216)
1239 MSG_WriteByte (msg, svc_clientdata);
1240 MSG_WriteShort (msg, bits);
1241 if (bits & SU_EXTEND1)
1242 MSG_WriteByte(msg, bits >> 16);
1243 if (bits & SU_EXTEND2)
1244 MSG_WriteByte(msg, bits >> 24);
1246 if (bits & SU_VIEWHEIGHT)
1247 MSG_WriteChar (msg, ent->v->view_ofs[2]);
1249 if (bits & SU_IDEALPITCH)
1250 MSG_WriteChar (msg, ent->v->idealpitch);
1252 for (i=0 ; i<3 ; i++)
1254 if (bits & (SU_PUNCH1<<i))
1255 MSG_WritePreciseAngle(msg, ent->v->punchangle[i]); // dpprotocol
1256 if (bits & (SU_PUNCHVEC1<<i)) // dpprotocol
1257 MSG_WriteDPCoord(msg, punchvector[i]); // dpprotocol
1258 if (bits & (SU_VELOCITY1<<i))
1259 MSG_WriteChar (msg, ent->v->velocity[i]/16);
1262 // [always sent] if (bits & SU_ITEMS)
1263 MSG_WriteLong (msg, items);
1265 if (bits & SU_WEAPONFRAME)
1266 MSG_WriteByte (msg, ent->v->weaponframe);
1267 if (bits & SU_ARMOR)
1268 MSG_WriteByte (msg, ent->v->armorvalue);
1269 if (bits & SU_WEAPON)
1270 MSG_WriteByte (msg, SV_ModelIndex(PR_GetString(ent->v->weaponmodel)));
1272 MSG_WriteShort (msg, ent->v->health);
1273 MSG_WriteByte (msg, ent->v->currentammo);
1274 MSG_WriteByte (msg, ent->v->ammo_shells);
1275 MSG_WriteByte (msg, ent->v->ammo_nails);
1276 MSG_WriteByte (msg, ent->v->ammo_rockets);
1277 MSG_WriteByte (msg, ent->v->ammo_cells);
1279 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1283 if ( ((int)ent->v->weapon) & (1<<i) )
1285 MSG_WriteByte (msg, i);
1292 MSG_WriteByte (msg, ent->v->weapon);
1295 if (bits & SU_VIEWZOOM)
1296 MSG_WriteByte (msg, viewzoom);
1300 =======================
1301 SV_SendClientDatagram
1302 =======================
1304 static qbyte sv_sendclientdatagram_buf[MAX_DATAGRAM]; // FIXME?
1305 qboolean SV_SendClientDatagram (client_t *client)
1309 msg.data = sv_sendclientdatagram_buf;
1310 msg.maxsize = sizeof(sv_sendclientdatagram_buf);
1313 MSG_WriteByte (&msg, svc_time);
1314 MSG_WriteFloat (&msg, sv.time);
1316 // add the client specific data to the datagram
1317 SV_WriteClientdataToMessage (client->edict, &msg);
1319 SV_WriteEntitiesToClient (client, client->edict, &msg);
1321 // copy the server datagram if there is space
1322 if (msg.cursize + sv.datagram.cursize < msg.maxsize)
1323 SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
1325 // send the datagram
1326 if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1328 SV_DropClient (true);// if the message couldn't send, kick off
1336 =======================
1337 SV_UpdateToReliableMessages
1338 =======================
1340 void SV_UpdateToReliableMessages (void)
1347 // check for changes to be sent over the reliable streams
1348 for (i = 0;i < MAX_SCOREBOARD;i++)
1350 // only update the client fields if they've spawned in
1351 if ((host_client = svs.connectedclients[i]) && host_client->spawned)
1353 // update the host_client fields we care about according to the entity fields
1354 sv_player = host_client->edict;
1355 s = PR_GetString(sv_player->v->netname);
1356 if (s != host_client->name)
1360 // point the string back at host_client->name to keep it safe
1361 strncpy(host_client->name, s, sizeof(host_client->name) - 1);
1362 sv_player->v->netname = PR_SetString(host_client->name);
1364 if ((val = GETEDICTFIELDVALUE(sv_player, eval_clientcolors)) && host_client->colors != val->_float)
1365 host_client->colors = val->_float;
1366 host_client->frags = sv_player->v->frags;
1367 if (gamemode == GAME_NEHAHRA)
1368 if ((val = GETEDICTFIELDVALUE(sv_player, eval_pmodel)) && host_client->pmodel != val->_float)
1369 host_client->pmodel = val->_float;
1371 // if the fields changed, send messages about the changes
1372 if (strcmp(host_client->old_name, host_client->name))
1374 strcpy(host_client->old_name, host_client->name);
1375 for (j = 0;j < MAX_SCOREBOARD;j++)
1377 if (!(client = svs.connectedclients[j]) || !client->spawned)
1379 MSG_WriteByte (&client->message, svc_updatename);
1380 MSG_WriteByte (&client->message, i);
1381 MSG_WriteString (&client->message, host_client->name);
1384 if (host_client->old_colors != host_client->colors)
1386 host_client->old_colors = host_client->colors;
1387 for (j = 0;j < MAX_SCOREBOARD;j++)
1389 if (!(client = svs.connectedclients[j]) || !client->spawned)
1391 MSG_WriteByte (&client->message, svc_updatecolors);
1392 MSG_WriteByte (&client->message, i);
1393 MSG_WriteByte (&client->message, host_client->colors);
1396 if (host_client->old_frags != host_client->frags)
1398 host_client->old_frags = host_client->frags;
1399 for (j = 0;j < MAX_SCOREBOARD;j++)
1401 if (!(client = svs.connectedclients[j]) || !client->spawned)
1403 MSG_WriteByte (&client->message, svc_updatefrags);
1404 MSG_WriteByte (&client->message, i);
1405 MSG_WriteShort (&client->message, host_client->frags);
1411 for (j = 0;j < MAX_SCOREBOARD;j++)
1412 if ((client = svs.connectedclients[j]))
1413 SZ_Write (&client->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
1415 SZ_Clear (&sv.reliable_datagram);
1420 =======================
1423 Send a nop message without trashing or sending the accumulated client
1425 =======================
1427 void SV_SendNop (client_t *client)
1433 msg.maxsize = sizeof(buf);
1436 MSG_WriteChar (&msg, svc_nop);
1438 if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1439 SV_DropClient (true); // if the message couldn't send, kick off
1440 client->last_message = realtime;
1444 =======================
1445 SV_SendClientMessages
1446 =======================
1448 void SV_SendClientMessages (void)
1450 int i, prepared = false;
1452 // update frags, names, etc
1453 SV_UpdateToReliableMessages();
1455 // build individual updates
1456 for (i = 0;i < MAX_SCOREBOARD;i++)
1458 if (!(host_client = svs.connectedclients[i]))
1461 if (host_client->deadsocket || !host_client->netconnection || host_client->message.overflowed)
1463 SV_DropClient (true); // if the message couldn't send, kick off
1467 if (host_client->spawned)
1472 // only prepare entities once per frame
1473 SV_PrepareEntitiesForSending();
1475 if (!SV_SendClientDatagram (host_client))
1480 // the player isn't totally in the game yet
1481 // send small keepalive messages if too much time has passed
1482 // send a full message when the next signon stage has been requested
1483 // some other message data (name changes, etc) may accumulate
1484 // between signon stages
1485 if (!host_client->sendsignon)
1487 if (realtime - host_client->last_message > 5)
1488 SV_SendNop (host_client);
1489 continue; // don't send out non-signon messages
1493 if (host_client->message.cursize || host_client->dropasap)
1495 if (!NetConn_CanSendMessage (host_client->netconnection))
1498 if (host_client->dropasap)
1499 SV_DropClient (false); // went to another level
1502 if (NetConn_SendReliableMessage (host_client->netconnection, &host_client->message) == -1)
1503 SV_DropClient (true); // if the message couldn't send, kick off
1504 SZ_Clear (&host_client->message);
1505 host_client->last_message = realtime;
1506 host_client->sendsignon = false;
1511 // clear muzzle flashes
1517 ==============================================================================
1521 ==============================================================================
1530 int SV_ModelIndex (const char *name)
1534 if (!name || !name[0])
1537 for (i=0 ; i<MAX_MODELS && sv.model_precache[i] ; i++)
1538 if (!strcmp(sv.model_precache[i], name))
1540 if (i==MAX_MODELS || !sv.model_precache[i])
1541 Host_Error ("SV_ModelIndex: model %s not precached", name);
1545 #ifdef SV_QUAKEENTITIES
1552 void SV_CreateBaseline (void)
1554 int i, entnum, large;
1557 // LordHavoc: clear *all* states (note just active ones)
1558 for (entnum = 0;entnum < sv.max_edicts;entnum++)
1560 // get the current server version
1561 svent = EDICT_NUM(entnum);
1563 // LordHavoc: always clear state values, whether the entity is in use or not
1564 ClearStateToDefault(&svent->e->baseline);
1568 if (entnum > MAX_SCOREBOARD && !svent->v->modelindex)
1571 // create entity baseline
1572 VectorCopy (svent->v->origin, svent->e->baseline.origin);
1573 VectorCopy (svent->v->angles, svent->e->baseline.angles);
1574 svent->e->baseline.frame = svent->v->frame;
1575 svent->e->baseline.skin = svent->v->skin;
1576 if (entnum > 0 && entnum <= MAX_SCOREBOARD)
1578 svent->e->baseline.colormap = entnum;
1579 svent->e->baseline.modelindex = SV_ModelIndex("progs/player.mdl");
1583 svent->e->baseline.colormap = 0;
1584 svent->e->baseline.modelindex = svent->v->modelindex;
1588 if (svent->e->baseline.modelindex & 0xFF00 || svent->e->baseline.frame & 0xFF00)
1591 // add to the message
1593 MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1595 MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1596 MSG_WriteShort (&sv.signon, entnum);
1600 MSG_WriteShort (&sv.signon, svent->e->baseline.modelindex);
1601 MSG_WriteShort (&sv.signon, svent->e->baseline.frame);
1605 MSG_WriteByte (&sv.signon, svent->e->baseline.modelindex);
1606 MSG_WriteByte (&sv.signon, svent->e->baseline.frame);
1608 MSG_WriteByte (&sv.signon, svent->e->baseline.colormap);
1609 MSG_WriteByte (&sv.signon, svent->e->baseline.skin);
1610 for (i=0 ; i<3 ; i++)
1612 MSG_WriteDPCoord(&sv.signon, svent->e->baseline.origin[i]);
1613 MSG_WriteAngle(&sv.signon, svent->e->baseline.angles[i]);
1624 Tell all the clients that the server is changing levels
1627 void SV_SendReconnect (void)
1634 msg.maxsize = sizeof(data);
1636 MSG_WriteChar (&msg, svc_stufftext);
1637 MSG_WriteString (&msg, "reconnect\n");
1638 NetConn_SendToAll (&msg, 5);
1640 if (cls.state != ca_dedicated)
1641 Cmd_ExecuteString ("reconnect\n", src_command);
1649 Grabs the current state of each client for saving across the
1650 transition to another level
1653 void SV_SaveSpawnparms (void)
1657 svs.serverflags = pr_global_struct->serverflags;
1659 for (i = 0;i < MAX_SCOREBOARD;i++)
1661 if (!(host_client = svs.connectedclients[i]))
1664 // call the progs to get default spawn parms for the new client
1665 pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
1666 PR_ExecuteProgram (pr_global_struct->SetChangeParms, "QC function SetChangeParms is missing");
1667 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1668 host_client->spawn_parms[j] = (&pr_global_struct->parm1)[j];
1672 void SV_IncreaseEdicts(void)
1676 int oldmax_edicts = sv.max_edicts;
1677 void *oldedictsengineprivate = sv.edictsengineprivate;
1678 void *oldedictsfields = sv.edictsfields;
1679 void *oldmoved_edicts = sv.moved_edicts;
1681 if (sv.max_edicts >= MAX_EDICTS)
1684 // links don't survive the transition, so unlink everything
1685 for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1688 SV_UnlinkEdict(sv.edicts + i);
1689 memset(&ent->e->areagrid, 0, sizeof(ent->e->areagrid));
1693 sv.max_edicts = min(sv.max_edicts + 256, MAX_EDICTS);
1694 sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1695 sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1696 sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1698 memcpy(sv.edictsengineprivate, oldedictsengineprivate, oldmax_edicts * sizeof(edict_engineprivate_t));
1699 memcpy(sv.edictsfields, oldedictsfields, oldmax_edicts * pr_edict_size);
1701 for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1703 ent->e = sv.edictsengineprivate + i;
1704 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1705 // link every entity except world
1707 SV_LinkEdict(ent, false);
1710 Mem_Free(oldedictsengineprivate);
1711 Mem_Free(oldedictsfields);
1712 Mem_Free(oldmoved_edicts);
1719 This is called at the start of each level
1722 extern float scr_centertime_off;
1724 void SV_SpawnServer (const char *server)
1730 // let's not have any servers with no name
1731 if (hostname.string[0] == 0)
1732 Cvar_Set ("hostname", "UNNAMED");
1733 scr_centertime_off = 0;
1735 Con_DPrintf ("SpawnServer: %s\n",server);
1736 svs.changelevel_issued = false; // now safe to issue another
1739 // tell all connected clients that we are going to a new level
1744 NetConn_OpenServerPorts(true);
1747 // make cvars consistant
1750 Cvar_SetValue ("deathmatch", 0);
1751 current_skill = bound(0, (int)(skill.value + 0.5), 3);
1753 Cvar_SetValue ("skill", (float)current_skill);
1756 // set up the new server
1758 Host_ClearMemory ();
1760 memset (&sv, 0, sizeof(sv));
1762 strcpy (sv.name, server);
1764 // load progs to get entity field count
1767 // allocate server memory
1768 // start out with just enough room for clients and a reasonable estimate of entities
1769 sv.max_edicts = max(MAX_SCOREBOARD + 1, 512);
1770 sv.max_edicts = min(sv.max_edicts, MAX_EDICTS);
1772 // clear the edict memory pool
1773 Mem_EmptyPool(sv_edicts_mempool);
1774 // edict_t structures (hidden from progs)
1775 sv.edicts = Mem_Alloc(sv_edicts_mempool, MAX_EDICTS * sizeof(edict_t));
1776 // engine private structures (hidden from progs)
1777 sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1778 // progs fields, often accessed by server
1779 sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1780 // used by PushMove to move back pushed entities
1781 sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1782 for (i = 0;i < sv.max_edicts;i++)
1784 ent = sv.edicts + i;
1785 ent->e = sv.edictsengineprivate + i;
1786 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1789 sv.datagram.maxsize = sizeof(sv.datagram_buf);
1790 sv.datagram.cursize = 0;
1791 sv.datagram.data = sv.datagram_buf;
1793 sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1794 sv.reliable_datagram.cursize = 0;
1795 sv.reliable_datagram.data = sv.reliable_datagram_buf;
1797 sv.signon.maxsize = sizeof(sv.signon_buf);
1798 sv.signon.cursize = 0;
1799 sv.signon.data = sv.signon_buf;
1801 // leave slots at start for clients only
1802 sv.num_edicts = MAX_SCOREBOARD+1;
1804 sv.state = ss_loading;
1811 strcpy (sv.name, server);
1812 sprintf (sv.modelname,"maps/%s.bsp", server);
1813 sv.worldmodel = Mod_ForName(sv.modelname, false, true, true);
1816 Con_Printf ("Couldn't spawn server %s\n", sv.modelname);
1820 sv.models[1] = sv.worldmodel;
1823 // clear world interaction links
1827 sv.sound_precache[0] = "";
1829 sv.model_precache[0] = "";
1830 sv.model_precache[1] = sv.modelname;
1831 for (i = 1;i < sv.worldmodel->brush.numsubmodels;i++)
1833 sv.model_precache[i+1] = localmodels[i];
1834 sv.models[i+1] = Mod_ForName (localmodels[i], false, false, false);
1838 // load the rest of the entities
1841 memset (ent->v, 0, progs->entityfields * 4);
1842 ent->e->free = false;
1843 ent->v->model = PR_SetString(sv.modelname);
1844 ent->v->modelindex = 1; // world model
1845 ent->v->solid = SOLID_BSP;
1846 ent->v->movetype = MOVETYPE_PUSH;
1849 pr_global_struct->coop = coop.integer;
1851 pr_global_struct->deathmatch = deathmatch.integer;
1853 pr_global_struct->mapname = PR_SetString(sv.name);
1855 // serverflags are for cross level information (sigils)
1856 pr_global_struct->serverflags = svs.serverflags;
1858 // load replacement entity file if found
1860 if (sv_entpatch.integer)
1861 entities = FS_LoadFile(va("maps/%s.ent", sv.name), true);
1864 Con_Printf("Loaded maps/%s.ent\n", sv.name);
1865 ED_LoadFromFile (entities);
1869 ED_LoadFromFile (sv.worldmodel->brush.entities);
1872 // LordHavoc: clear world angles (to fix e3m3.bsp)
1873 VectorClear(sv.edicts->v->angles);
1877 // all setup is completed, any further precache statements are errors
1878 sv.state = ss_active;
1880 // run two frames to allow everything to settle
1881 for (i = 0;i < 2;i++)
1883 sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
1889 #ifdef QUAKEENTITIES
1890 // create a baseline for more efficient communications
1891 SV_CreateBaseline ();
1894 // send serverinfo to all connected clients
1895 for (i = 0;i < MAX_SCOREBOARD;i++)
1896 if ((host_client = svs.connectedclients[i]))
1897 SV_SendServerinfo(host_client);
1899 Con_DPrintf ("Server spawned.\n");
1900 NetConn_Heartbeat (2);