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;
36 //============================================================================
38 extern void SV_Phys_Init (void);
39 extern void SV_World_Init (void);
50 Cvar_RegisterVariable (&sv_maxvelocity);
51 Cvar_RegisterVariable (&sv_gravity);
52 Cvar_RegisterVariable (&sv_friction);
53 Cvar_RegisterVariable (&sv_edgefriction);
54 Cvar_RegisterVariable (&sv_stopspeed);
55 Cvar_RegisterVariable (&sv_maxspeed);
56 Cvar_RegisterVariable (&sv_accelerate);
57 Cvar_RegisterVariable (&sv_idealpitchscale);
58 Cvar_RegisterVariable (&sv_aim);
59 Cvar_RegisterVariable (&sv_nostep);
60 Cvar_RegisterVariable (&sv_deltacompress);
61 Cvar_RegisterVariable (&sv_cullentities_pvs);
62 Cvar_RegisterVariable (&sv_cullentities_trace);
63 Cvar_RegisterVariable (&sv_cullentities_stats);
64 Cvar_RegisterVariable (&sv_entpatch);
69 for (i = 0;i < MAX_MODELS;i++)
70 sprintf (localmodels[i], "*%i", i);
72 sv_edicts_mempool = Mem_AllocPool("server edicts");
76 =============================================================================
80 =============================================================================
87 Make sure the event gets sent to all clients
90 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
94 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
96 MSG_WriteByte (&sv.datagram, svc_particle);
97 MSG_WriteDPCoord (&sv.datagram, org[0]);
98 MSG_WriteDPCoord (&sv.datagram, org[1]);
99 MSG_WriteDPCoord (&sv.datagram, org[2]);
100 for (i=0 ; i<3 ; i++)
107 MSG_WriteChar (&sv.datagram, v);
109 MSG_WriteByte (&sv.datagram, count);
110 MSG_WriteByte (&sv.datagram, color);
117 Make sure the event gets sent to all clients
120 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
122 if (modelindex >= 256 || startframe >= 256)
124 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
126 MSG_WriteByte (&sv.datagram, svc_effect2);
127 MSG_WriteDPCoord (&sv.datagram, org[0]);
128 MSG_WriteDPCoord (&sv.datagram, org[1]);
129 MSG_WriteDPCoord (&sv.datagram, org[2]);
130 MSG_WriteShort (&sv.datagram, modelindex);
131 MSG_WriteShort (&sv.datagram, startframe);
132 MSG_WriteByte (&sv.datagram, framecount);
133 MSG_WriteByte (&sv.datagram, framerate);
137 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
139 MSG_WriteByte (&sv.datagram, svc_effect);
140 MSG_WriteDPCoord (&sv.datagram, org[0]);
141 MSG_WriteDPCoord (&sv.datagram, org[1]);
142 MSG_WriteDPCoord (&sv.datagram, org[2]);
143 MSG_WriteByte (&sv.datagram, modelindex);
144 MSG_WriteByte (&sv.datagram, startframe);
145 MSG_WriteByte (&sv.datagram, framecount);
146 MSG_WriteByte (&sv.datagram, framerate);
154 Each entity can have eight independant sound sources, like voice,
157 Channel 0 is an auto-allocate channel, the others override anything
158 already running on that entity/channel pair.
160 An attenuation of 0 will play full volume everywhere in the level.
161 Larger attenuations will drop off. (max 4 attenuation)
165 void SV_StartSound (edict_t *entity, int channel, char *sample, int volume, float attenuation)
167 int sound_num, field_mask, i, ent;
169 if (volume < 0 || volume > 255)
170 Host_Error ("SV_StartSound: volume = %i", volume);
172 if (attenuation < 0 || attenuation > 4)
173 Host_Error ("SV_StartSound: attenuation = %f", attenuation);
175 if (channel < 0 || channel > 7)
176 Host_Error ("SV_StartSound: channel = %i", channel);
178 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
181 // find precache number for sound
182 for (sound_num=1 ; sound_num<MAX_SOUNDS && sv.sound_precache[sound_num] ; sound_num++)
183 if (!strcmp(sample, sv.sound_precache[sound_num]))
186 if ( sound_num == MAX_SOUNDS || !sv.sound_precache[sound_num] )
188 Con_Printf ("SV_StartSound: %s not precached\n", sample);
192 ent = NUM_FOR_EDICT(entity);
195 if (volume != DEFAULT_SOUND_PACKET_VOLUME)
196 field_mask |= SND_VOLUME;
197 if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
198 field_mask |= SND_ATTENUATION;
200 field_mask |= SND_LARGEENTITY;
201 if (sound_num >= 256 || channel >= 8)
202 field_mask |= SND_LARGESOUND;
204 // directed messages go only to the entity they are targeted on
205 MSG_WriteByte (&sv.datagram, svc_sound);
206 MSG_WriteByte (&sv.datagram, field_mask);
207 if (field_mask & SND_VOLUME)
208 MSG_WriteByte (&sv.datagram, volume);
209 if (field_mask & SND_ATTENUATION)
210 MSG_WriteByte (&sv.datagram, attenuation*64);
211 if (field_mask & SND_LARGEENTITY)
213 MSG_WriteShort (&sv.datagram, ent);
214 MSG_WriteByte (&sv.datagram, channel);
217 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
218 if (field_mask & SND_LARGESOUND)
219 MSG_WriteShort (&sv.datagram, sound_num);
221 MSG_WriteByte (&sv.datagram, sound_num);
222 for (i = 0;i < 3;i++)
223 MSG_WriteDPCoord (&sv.datagram, entity->v->origin[i]+0.5*(entity->v->mins[i]+entity->v->maxs[i]));
227 ==============================================================================
231 ==============================================================================
238 Sends the first message from the server to a connected client.
239 This will be sent on the initial connection and upon each server load.
242 void SV_SendServerinfo (client_t *client)
247 // edicts get reallocated on level changes, so we need to update it here
248 client->edict = EDICT_NUM(client->number + 1);
250 // LordHavoc: clear entityframe tracking
251 client->entityframenumber = 0;
252 if (client->entitydatabase4)
253 EntityFrame4_FreeDatabase(client->entitydatabase4);
254 client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_clients_mempool);
256 MSG_WriteByte (&client->message, svc_print);
257 sprintf (message, "\002\nServer: %s build %s (progs %i crc)", gamename, buildstring, pr_crc);
258 MSG_WriteString (&client->message,message);
260 MSG_WriteByte (&client->message, svc_serverinfo);
261 MSG_WriteLong (&client->message, PROTOCOL_DARKPLACES4);
262 MSG_WriteByte (&client->message, svs.maxclients);
264 if (!coop.integer && deathmatch.integer)
265 MSG_WriteByte (&client->message, GAME_DEATHMATCH);
267 MSG_WriteByte (&client->message, GAME_COOP);
269 MSG_WriteString (&client->message,PR_GetString(sv.edicts->v->message));
271 for (s = sv.model_precache+1 ; *s ; s++)
272 MSG_WriteString (&client->message, *s);
273 MSG_WriteByte (&client->message, 0);
275 for (s = sv.sound_precache+1 ; *s ; s++)
276 MSG_WriteString (&client->message, *s);
277 MSG_WriteByte (&client->message, 0);
280 MSG_WriteByte (&client->message, svc_cdtrack);
281 MSG_WriteByte (&client->message, sv.edicts->v->sounds);
282 MSG_WriteByte (&client->message, sv.edicts->v->sounds);
285 MSG_WriteByte (&client->message, svc_setview);
286 MSG_WriteShort (&client->message, NUM_FOR_EDICT(client->edict));
288 MSG_WriteByte (&client->message, svc_signonnum);
289 MSG_WriteByte (&client->message, 1);
291 client->sendsignon = true;
292 client->spawned = false; // need prespawn, spawn, etc
299 Initializes a client_t for a new net connection. This will only be called
300 once for a player each game, not once for each level change.
303 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
307 float spawn_parms[NUM_SPAWN_PARMS];
309 client = svs.clients + clientnum;
311 // set up the client_t
313 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
314 memset (client, 0, sizeof(*client));
315 client->active = true;
316 client->netconnection = netconnection;
318 Con_DPrintf("Client %s connected\n", client->netconnection->address);
320 strcpy(client->name, "unconnected");
321 strcpy(client->old_name, "unconnected");
322 client->number = clientnum;
323 client->spawned = false;
324 client->edict = EDICT_NUM(clientnum+1);
325 client->message.data = client->msgbuf;
326 client->message.maxsize = sizeof(client->msgbuf);
327 client->message.allowoverflow = true; // we can catch it
330 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
333 // call the progs to get default spawn parms for the new client
334 PR_ExecuteProgram (pr_global_struct->SetNewParms, "QC function SetNewParms is missing");
335 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
336 client->spawn_parms[i] = (&pr_global_struct->parm1)[i];
339 SV_SendServerinfo (client);
344 ===============================================================================
348 ===============================================================================
357 void SV_ClearDatagram (void)
359 SZ_Clear (&sv.datagram);
363 =============================================================================
365 The PVS must include a small area around the client to allow head bobbing
366 or other small motion on the client side. Otherwise, a bob might cause an
367 entity that should be visible to not show up, especially when the bob
370 =============================================================================
373 int sv_writeentitiestoclient_pvsbytes;
374 qbyte sv_writeentitiestoclient_pvs[MAX_MAP_LEAFS/8];
378 SV_WriteEntitiesToClient
383 void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
385 int e, clentnum, bits, alpha, glowcolor, glowsize, scale, effects, lightsize;
386 int culled_pvs, culled_trace, visibleentities, totalentities;
388 vec3_t origin, angles, entmins, entmaxs, testorigin, testeye;
389 float nextfullupdate, alphaf;
392 entity_state_t *baseline; // LordHavoc: delta or startup baseline
395 Mod_CheckLoaded(sv.worldmodel);
397 // find the client's PVS
398 VectorAdd (clent->v->origin, clent->v->view_ofs, testeye);
400 if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
401 fatbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, testeye, 8, sv_writeentitiestoclient_pvs, sizeof(sv_writeentitiestoclient_pvs));
408 clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
409 // send all entities that touch the pvs
410 ent = NEXT_EDICT(sv.edicts);
411 for (e = 1;e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
415 // prevent delta compression against this frame (unless actually sent, which will restore this later)
416 nextfullupdate = client->nextfullupdate[e];
417 client->nextfullupdate[e] = -1;
419 if (ent != clent) // LordHavoc: always send player
421 if ((val = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)) && val->edict)
423 if (val->edict != clentnum)
425 // don't show to anyone else
429 bits |= U_VIEWMODEL; // show relative to the view
433 // LordHavoc: never draw something told not to display to this client
434 if ((val = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)) && val->edict == clentnum)
436 if ((val = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)) && val->edict && val->edict != clentnum)
443 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_size)))
444 glowsize = (int) val->_float >> 2;
445 if (glowsize > 255) glowsize = 255;
446 if (glowsize < 0) glowsize = 0;
448 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_trail)))
449 if (val->_float != 0)
452 if (ent->v->modelindex >= 0 && ent->v->modelindex < MAX_MODELS && *PR_GetString(ent->v->model))
454 model = sv.models[(int)ent->v->modelindex];
455 Mod_CheckLoaded(model);
460 if (ent != clent) // LordHavoc: always send player
461 if (glowsize == 0 && (bits & U_GLOWTRAIL) == 0) // no effects
465 VectorCopy(ent->v->angles, angles);
466 VectorCopy(ent->v->origin, origin);
468 // ent has survived every check so far, check if it is visible
469 if (ent != clent && ((bits & U_VIEWMODEL) == 0))
471 // use the predicted origin
472 entmins[0] = origin[0] - 1.0f;
473 entmins[1] = origin[1] - 1.0f;
474 entmins[2] = origin[2] - 1.0f;
475 entmaxs[0] = origin[0] + 1.0f;
476 entmaxs[1] = origin[1] + 1.0f;
477 entmaxs[2] = origin[2] + 1.0f;
478 // using the model's bounding box to ensure things are visible regardless of their physics box
481 if (ent->v->angles[0] || ent->v->angles[2]) // pitch and roll
483 VectorAdd(entmins, model->rotatedmins, entmins);
484 VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
486 else if (ent->v->angles[1])
488 VectorAdd(entmins, model->yawmins, entmins);
489 VectorAdd(entmaxs, model->yawmaxs, entmaxs);
493 VectorAdd(entmins, model->normalmins, entmins);
494 VectorAdd(entmaxs, model->normalmaxs, entmaxs);
500 // if not touching a visible leaf
501 if (sv_cullentities_pvs.integer && fatbytes && sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv_writeentitiestoclient_pvs, entmins, entmaxs))
507 // don't try to cull embedded brush models with this, they're sometimes huge (spanning several rooms)
508 if (sv_cullentities_trace.integer && (model == NULL || model->brush.TraceBox == NULL || model->name[0] != '*'))
510 // LordHavoc: test random offsets, to maximize chance of detection
511 testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
512 testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
513 testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
515 sv.worldmodel->brush.TraceBox(sv.worldmodel, &trace, testeye, testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
516 if (trace.fraction == 1)
517 client->visibletime[e] = realtime + 1;
520 //test nearest point on bbox
521 testorigin[0] = bound(entmins[0], testeye[0], entmaxs[0]);
522 testorigin[1] = bound(entmins[1], testeye[1], entmaxs[1]);
523 testorigin[2] = bound(entmins[2], testeye[2], entmaxs[2]);
525 sv.worldmodel->brush.TraceBox(sv.worldmodel, &trace, testeye, testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
526 if (trace.fraction == 1)
527 client->visibletime[e] = realtime + 1;
528 else if (realtime > client->visibletime[e])
541 effects = ent->v->effects;
543 if ((val = GETEDICTFIELDVALUE(ent, eval_alpha)))
544 if (val->_float != 0)
545 alphaf = val->_float * 255.0f;
548 if ((val = GETEDICTFIELDVALUE(ent, eval_renderamt)))
549 if (val->_float != 0)
550 alphaf = val->_float;
554 alpha = bound(0, alphaf, 255);
556 if ((val = GETEDICTFIELDVALUE(ent, eval_scale)))
557 if ((scale = (int) (val->_float * 16.0)) == 0) scale = 16;
558 if (scale < 0) scale = 0;
559 if (scale > 255) scale = 255;
561 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_color)))
562 if (val->_float != 0)
563 glowcolor = (int) val->_float;
565 if ((val = GETEDICTFIELDVALUE(ent, eval_fullbright)))
566 if (val->_float != 0)
567 effects |= EF_FULLBRIGHT;
571 if (glowsize == 0 && (bits & U_GLOWTRAIL) == 0) // no effects
575 // don't send if flagged for NODRAW and there are no effects
576 if (model->flags == 0 && ((effects & EF_NODRAW) || scale <= 0 || alpha <= 0))
579 else // no model and no effects
584 if (msg->maxsize - msg->cursize < 32) // LordHavoc: increased check from 16 to 32
586 Con_Printf ("packet overflow\n");
587 // mark the rest of the entities so they can't be delta compressed against this frame
588 for (;e < sv.num_edicts;e++)
590 client->nextfullupdate[e] = -1;
591 client->visibletime[e] = -1;
596 if ((val = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)) && val->edict == clentnum)
597 bits = bits | U_EXTERIORMODEL;
600 baseline = &ent->e->baseline;
602 if (((int)ent->v->effects & EF_DELTA) && sv_deltacompress.integer)
604 // every half second a full update is forced
605 if (realtime < client->nextfullupdate[e])
608 baseline = &ent->e->deltabaseline;
611 nextfullupdate = realtime + 0.5f;
614 nextfullupdate = realtime + 0.5f;
616 // restore nextfullupdate since this is being sent for real
617 client->nextfullupdate[e] = nextfullupdate;
620 bits |= U_LONGENTITY;
622 if (ent->v->movetype == MOVETYPE_STEP)
625 // LordHavoc: old stuff, but rewritten to have more exact tolerances
626 if (origin[0] != baseline->origin[0]) bits |= U_ORIGIN1;
627 if (origin[1] != baseline->origin[1]) bits |= U_ORIGIN2;
628 if (origin[2] != baseline->origin[2]) bits |= U_ORIGIN3;
629 if (((int)(angles[0]*(256.0/360.0)) & 255) != ((int)(baseline->angles[0]*(256.0/360.0)) & 255)) bits |= U_ANGLE1;
630 if (((int)(angles[1]*(256.0/360.0)) & 255) != ((int)(baseline->angles[1]*(256.0/360.0)) & 255)) bits |= U_ANGLE2;
631 if (((int)(angles[2]*(256.0/360.0)) & 255) != ((int)(baseline->angles[2]*(256.0/360.0)) & 255)) bits |= U_ANGLE3;
632 if (baseline->colormap != (qbyte) ent->v->colormap) bits |= U_COLORMAP;
633 if (baseline->skin != (qbyte) ent->v->skin) bits |= U_SKIN;
634 if ((baseline->frame & 0x00FF) != ((int) ent->v->frame & 0x00FF)) bits |= U_FRAME;
635 if ((baseline->effects & 0x00FF) != ((int) ent->v->effects & 0x00FF)) bits |= U_EFFECTS;
636 if ((baseline->modelindex & 0x00FF) != ((int) ent->v->modelindex & 0x00FF)) bits |= U_MODEL;
638 // LordHavoc: new stuff
639 if (baseline->alpha != alpha) bits |= U_ALPHA;
640 if (baseline->scale != scale) bits |= U_SCALE;
641 if (((int) baseline->effects & 0xFF00) != ((int) ent->v->effects & 0xFF00)) bits |= U_EFFECTS2;
642 if (baseline->glowsize != glowsize) bits |= U_GLOWSIZE;
643 if (baseline->glowcolor != glowcolor) bits |= U_GLOWCOLOR;
644 if (((int) baseline->frame & 0xFF00) != ((int) ent->v->frame & 0xFF00)) bits |= U_FRAME2;
645 if (((int) baseline->frame & 0xFF00) != ((int) ent->v->modelindex & 0xFF00)) bits |= U_MODEL2;
647 // update delta baseline
648 VectorCopy(ent->v->origin, ent->e->deltabaseline.origin);
649 VectorCopy(ent->v->angles, ent->e->deltabaseline.angles);
650 ent->e->deltabaseline.colormap = ent->v->colormap;
651 ent->e->deltabaseline.skin = ent->v->skin;
652 ent->e->deltabaseline.frame = ent->v->frame;
653 ent->e->deltabaseline.effects = ent->v->effects;
654 ent->e->deltabaseline.modelindex = ent->v->modelindex;
655 ent->e->deltabaseline.alpha = alpha;
656 ent->e->deltabaseline.scale = scale;
657 ent->e->deltabaseline.glowsize = glowsize;
658 ent->e->deltabaseline.glowcolor = glowcolor;
661 if (bits >= 16777216)
669 MSG_WriteByte (msg, bits);
670 if (bits & U_MOREBITS)
671 MSG_WriteByte (msg, bits>>8);
672 // LordHavoc: extend bytes have to be written here due to delta compression
673 if (bits & U_EXTEND1)
674 MSG_WriteByte (msg, bits>>16);
675 if (bits & U_EXTEND2)
676 MSG_WriteByte (msg, bits>>24);
678 // LordHavoc: old stuff
679 if (bits & U_LONGENTITY)
680 MSG_WriteShort (msg,e);
682 MSG_WriteByte (msg,e);
683 if (bits & U_MODEL) MSG_WriteByte(msg, ent->v->modelindex);
684 if (bits & U_FRAME) MSG_WriteByte(msg, ent->v->frame);
685 if (bits & U_COLORMAP) MSG_WriteByte(msg, ent->v->colormap);
686 if (bits & U_SKIN) MSG_WriteByte(msg, ent->v->skin);
687 if (bits & U_EFFECTS) MSG_WriteByte(msg, ent->v->effects);
688 if (bits & U_ORIGIN1) MSG_WriteDPCoord(msg, origin[0]);
689 if (bits & U_ANGLE1) MSG_WriteAngle(msg, angles[0]);
690 if (bits & U_ORIGIN2) MSG_WriteDPCoord(msg, origin[1]);
691 if (bits & U_ANGLE2) MSG_WriteAngle(msg, angles[1]);
692 if (bits & U_ORIGIN3) MSG_WriteDPCoord(msg, origin[2]);
693 if (bits & U_ANGLE3) MSG_WriteAngle(msg, angles[2]);
695 // LordHavoc: new stuff
696 if (bits & U_ALPHA) MSG_WriteByte(msg, alpha);
697 if (bits & U_SCALE) MSG_WriteByte(msg, scale);
698 if (bits & U_EFFECTS2) MSG_WriteByte(msg, (int)ent->v->effects >> 8);
699 if (bits & U_GLOWSIZE) MSG_WriteByte(msg, glowsize);
700 if (bits & U_GLOWCOLOR) MSG_WriteByte(msg, glowcolor);
701 if (bits & U_FRAME2) MSG_WriteByte(msg, (int)ent->v->frame >> 8);
702 if (bits & U_MODEL2) MSG_WriteByte(msg, (int)ent->v->modelindex >> 8);
705 if (sv_cullentities_stats.integer)
706 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);
709 static int numsendentities;
710 static entity_state_t sendentities[MAX_EDICTS];
711 static entity_state_t *sendentitiesindex[MAX_EDICTS];
713 void SV_PrepareEntitiesForSending(void)
719 // send all entities that touch the pvs
721 sendentitiesindex[0] = NULL;
722 for (e = 1, ent = NEXT_EDICT(sv.edicts);e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
724 sendentitiesindex[e] = NULL;
728 ClearStateToDefault(&cs);
731 VectorCopy(ent->v->origin, cs.origin);
732 VectorCopy(ent->v->angles, cs.angles);
734 cs.effects = (int)ent->v->effects;
735 cs.colormap = (qbyte)ent->v->colormap;
736 cs.skin = (qbyte)ent->v->skin;
737 cs.frame = (qbyte)ent->v->frame;
738 cs.viewmodelforclient = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)->edict;
739 cs.exteriormodelforclient = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)->edict;
740 cs.nodrawtoclient = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)->edict;
741 cs.drawonlytoclient = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)->edict;
742 cs.tagentity = GETEDICTFIELDVALUE(ent, eval_tag_entity)->edict;
743 cs.tagindex = (qbyte)GETEDICTFIELDVALUE(ent, eval_tag_index)->_float;
744 i = (int)(GETEDICTFIELDVALUE(ent, eval_glow_size)->_float * 0.25f);
745 cs.glowsize = (qbyte)bound(0, i, 255);
746 if (GETEDICTFIELDVALUE(ent, eval_glow_trail)->_float)
747 cs.flags |= RENDER_GLOWTRAIL;
750 i = (int)ent->v->modelindex;
751 if (i >= 1 && i < MAX_MODELS && *PR_GetString(ent->v->model))
755 f = (GETEDICTFIELDVALUE(ent, eval_alpha)->_float * 255.0f);
759 cs.alpha = (qbyte)bound(0, i, 255);
762 f = (GETEDICTFIELDVALUE(ent, eval_renderamt)->_float);
766 cs.alpha = (qbyte)bound(0, i, 255);
770 f = (GETEDICTFIELDVALUE(ent, eval_scale)->_float * 16.0f);
774 cs.scale = (qbyte)bound(0, i, 255);
778 f = (GETEDICTFIELDVALUE(ent, eval_glow_color)->_float);
780 cs.glowcolor = (int)f;
782 if (GETEDICTFIELDVALUE(ent, eval_fullbright)->_float)
783 cs.effects |= EF_FULLBRIGHT;
785 if (ent->v->movetype == MOVETYPE_STEP)
786 cs.flags |= RENDER_STEP;
787 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)
788 cs.flags |= RENDER_LOWPRECISION;
789 if (ent->v->colormap >= 1024)
790 cs.flags |= RENDER_COLORMAPPED;
791 if (cs.viewmodelforclient)
792 cs.flags |= RENDER_VIEWMODEL; // show relative to the view
794 cs.specialvisibilityradius = 0;
796 cs.specialvisibilityradius = max(cs.specialvisibilityradius, cs.glowsize * 4);
797 if (cs.flags & RENDER_GLOWTRAIL)
798 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
799 if (cs.effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
801 if (cs.effects & EF_BRIGHTFIELD)
802 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 80);
803 if (cs.effects & EF_MUZZLEFLASH)
804 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
805 if (cs.effects & EF_BRIGHTLIGHT)
806 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 400);
807 if (cs.effects & EF_DIMLIGHT)
808 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
809 if (cs.effects & EF_RED)
810 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
811 if (cs.effects & EF_BLUE)
812 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
813 if (cs.effects & EF_FLAME)
814 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 250);
815 if (cs.effects & EF_STARDUST)
816 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
819 if (numsendentities >= MAX_EDICTS)
821 // we can omit invisible entities with no effects that are not clients
822 // LordHavoc: this could kill tags attached to an invisible entity, I
823 // just hope we never have to support that case
824 if (cs.number > svs.maxclients && ((cs.effects & EF_NODRAW) || (!cs.modelindex && !cs.specialvisibilityradius)))
826 sendentitiesindex[e] = sendentities + numsendentities;
827 sendentities[numsendentities++] = cs;
831 static int sententitiesmark = 0;
832 static int sententities[MAX_EDICTS];
833 static int sententitiesconsideration[MAX_EDICTS];
834 static int sv_writeentitiestoclient_culled_pvs;
835 static int sv_writeentitiestoclient_culled_trace;
836 static int sv_writeentitiestoclient_visibleentities;
837 static int sv_writeentitiestoclient_totalentities;
838 //static entity_frame_t sv_writeentitiestoclient_entityframe;
839 static int sv_writeentitiestoclient_clentnum;
840 static vec3_t sv_writeentitiestoclient_testeye;
841 static client_t *sv_writeentitiestoclient_client;
843 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
845 vec3_t entmins, entmaxs, lightmins, lightmaxs, testorigin;
848 if (sententitiesconsideration[s->number] == sententitiesmark)
850 sententitiesconsideration[s->number] = sententitiesmark;
851 // viewmodels don't have visibility checking
852 if (s->viewmodelforclient)
854 if (s->viewmodelforclient != sv_writeentitiestoclient_clentnum)
857 // never reject player
858 else if (s->number != sv_writeentitiestoclient_clentnum)
860 // check various rejection conditions
861 if (s->nodrawtoclient == sv_writeentitiestoclient_clentnum)
863 if (s->drawonlytoclient && s->drawonlytoclient != sv_writeentitiestoclient_clentnum)
865 if (s->effects & EF_NODRAW)
867 // LordHavoc: only send entities with a model or important effects
868 if (!s->modelindex && s->specialvisibilityradius == 0)
872 // tag attached entities simply check their parent
873 if (!sendentitiesindex[s->tagentity])
875 SV_MarkWriteEntityStateToClient(sendentitiesindex[s->tagentity]);
876 if (sententities[s->tagentity] != sententitiesmark)
879 // always send world submodels, they don't generate much traffic
880 else if ((model = sv.models[s->modelindex]) == NULL || model->name[0] != '*')
882 Mod_CheckLoaded(model);
883 // entity has survived every check so far, check if visible
884 // enlarged box to account for prediction (not that there is
885 // any currently, but still helps the 'run into a room and
886 // watch items pop up' problem)
887 entmins[0] = s->origin[0] - 32.0f;
888 entmins[1] = s->origin[1] - 32.0f;
889 entmins[2] = s->origin[2] - 32.0f;
890 entmaxs[0] = s->origin[0] + 32.0f;
891 entmaxs[1] = s->origin[1] + 32.0f;
892 entmaxs[2] = s->origin[2] + 32.0f;
893 // using the model's bounding box to ensure things are visible regardless of their physics box
896 if (s->angles[0] || s->angles[2]) // pitch and roll
898 VectorAdd(entmins, model->rotatedmins, entmins);
899 VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
901 else if (s->angles[1])
903 VectorAdd(entmins, model->yawmins, entmins);
904 VectorAdd(entmaxs, model->yawmaxs, entmaxs);
908 VectorAdd(entmins, model->normalmins, entmins);
909 VectorAdd(entmaxs, model->normalmaxs, entmaxs);
912 lightmins[0] = min(entmins[0], s->origin[0] - s->specialvisibilityradius);
913 lightmins[1] = min(entmins[1], s->origin[1] - s->specialvisibilityradius);
914 lightmins[2] = min(entmins[2], s->origin[2] - s->specialvisibilityradius);
915 lightmaxs[0] = min(entmaxs[0], s->origin[0] + s->specialvisibilityradius);
916 lightmaxs[1] = min(entmaxs[1], s->origin[1] + s->specialvisibilityradius);
917 lightmaxs[2] = min(entmaxs[2], s->origin[2] + s->specialvisibilityradius);
918 sv_writeentitiestoclient_totalentities++;
919 // if not touching a visible leaf
920 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))
922 sv_writeentitiestoclient_culled_pvs++;
925 // or not seen by random tracelines
926 if (sv_cullentities_trace.integer)
928 // LordHavoc: test center first
929 testorigin[0] = (entmins[0] + entmaxs[0]) * 0.5f;
930 testorigin[1] = (entmins[1] + entmaxs[1]) * 0.5f;
931 testorigin[2] = (entmins[2] + entmaxs[2]) * 0.5f;
932 sv.worldmodel->brush.TraceBox(sv.worldmodel, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
933 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
934 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
937 // LordHavoc: test random offsets, to maximize chance of detection
938 testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
939 testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
940 testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
941 sv.worldmodel->brush.TraceBox(sv.worldmodel, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
942 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
943 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
946 if (s->specialvisibilityradius)
948 // LordHavoc: test random offsets, to maximize chance of detection
949 testorigin[0] = lhrandom(lightmins[0], lightmaxs[0]);
950 testorigin[1] = lhrandom(lightmins[1], lightmaxs[1]);
951 testorigin[2] = lhrandom(lightmins[2], lightmaxs[2]);
952 sv.worldmodel->brush.TraceBox(sv.worldmodel, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
953 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
954 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
958 if (realtime > sv_writeentitiestoclient_client->visibletime[s->number])
960 sv_writeentitiestoclient_culled_trace++;
964 sv_writeentitiestoclient_visibleentities++;
967 // this just marks it for sending
968 // FIXME: it would be more efficient to send here, but the entity
969 // compressor isn't that flexible
970 sententities[s->number] = sententitiesmark;
973 void SV_WriteEntitiesToClient(client_t *client, edict_t *clent, sizebuf_t *msg)
978 entity_database4_t *d;
979 int maxbytes, n, startnumber;
980 entity_state_t *e, inactiveentitystate;
983 // prepare the buffer
984 memset(&buf, 0, sizeof(buf));
986 buf.maxsize = sizeof(data);
988 d = client->entitydatabase4;
990 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
991 if (!d->commit[i].numentities)
993 // if commit buffer full, just don't bother writing an update this frame
994 if (i == MAX_ENTITY_HISTORY)
996 d->currentcommit = d->commit + i;
998 // this state's number gets played around with later
999 ClearStateToDefault(&inactiveentitystate);
1000 //inactiveentitystate = defaultstate;
1002 sv_writeentitiestoclient_client = client;
1004 sv_writeentitiestoclient_culled_pvs = 0;
1005 sv_writeentitiestoclient_culled_trace = 0;
1006 sv_writeentitiestoclient_visibleentities = 0;
1007 sv_writeentitiestoclient_totalentities = 0;
1009 Mod_CheckLoaded(sv.worldmodel);
1011 // find the client's PVS
1012 // the real place being tested from
1013 VectorAdd(clent->v->origin, clent->v->view_ofs, sv_writeentitiestoclient_testeye);
1014 sv_writeentitiestoclient_pvsbytes = 0;
1015 if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1016 sv_writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv_writeentitiestoclient_testeye, 8, sv_writeentitiestoclient_pvs, sizeof(sv_writeentitiestoclient_pvs));
1018 sv_writeentitiestoclient_clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1022 // the place being reported (to consider the fact the client still
1023 // applies the view_ofs[2], so we have to only send the fractional part
1024 // of view_ofs[2], undoing what the client will redo)
1025 VectorCopy(sv_writeentitiestoclient_testeye, testorigin);
1026 i = (int) clent->v->view_ofs[2] & 255;
1029 testorigin[2] -= (float) i;
1031 for (i = 0;i < numsendentities;i++)
1032 SV_MarkWriteEntityStateToClient(sendentities + i);
1034 // calculate maximum bytes to allow in this packet
1035 // deduct 4 to account for the end data
1036 maxbytes = min(msg->maxsize, MAX_PACKETFRAGMENT) - 4;
1038 d->currentcommit->numentities = 0;
1039 d->currentcommit->framenum = ++client->entityframenumber;
1040 MSG_WriteByte(msg, svc_entities);
1041 MSG_WriteLong(msg, d->referenceframenum);
1042 MSG_WriteLong(msg, d->currentcommit->framenum);
1043 if (developer_networkentities.integer >= 1)
1045 Con_Printf("send svc_entities ref:%i num:%i (database: ref:%i commits:", d->referenceframenum, d->currentcommit->framenum, d->referenceframenum);
1046 for (i = 0;i < MAX_ENTITY_HISTORY;i++)
1047 if (d->commit[i].numentities)
1048 Con_Printf(" %i", d->commit[i].framenum);
1051 if (d->currententitynumber >= sv.max_edicts)
1054 startnumber = bound(1, d->currententitynumber, sv.max_edicts - 1);
1055 MSG_WriteShort(msg, startnumber);
1056 // reset currententitynumber so if the loop does not break it we will
1057 // start at beginning next frame (if it does break, it will set it)
1058 d->currententitynumber = 1;
1059 for (i = 0, n = startnumber;n < sv.max_edicts;n++)
1061 // find the old state to delta from
1062 e = EntityFrame4_GetReferenceEntity(d, n);
1063 // prepare the buffer
1066 if (sententities[n] == sententitiesmark)
1068 // entity exists, build an update (if empty there is no change)
1069 // find the state in the list
1070 for (;i < numsendentities && sendentities[i].number < n;i++);
1071 s = sendentities + i;
1073 Sys_Error("SV_WriteEntitiesToClient: s->number != n\n");
1075 if (s->exteriormodelforclient && s->exteriormodelforclient == sv_writeentitiestoclient_clentnum)
1077 s->flags |= RENDER_EXTERIORMODEL;
1078 EntityState_Write(s, &buf, e);
1079 s->flags &= ~RENDER_EXTERIORMODEL;
1082 EntityState_Write(s, &buf, e);
1086 s = &inactiveentitystate;
1090 // entity used to exist but doesn't anymore, send remove
1091 MSG_WriteShort(&buf, n | 0x8000);
1094 // if the commit is full, we're done this frame
1095 if (msg->cursize + buf.cursize > maxbytes)
1097 // next frame we will continue where we left off
1100 // add the entity to the commit
1101 EntityFrame4_AddCommitEntity(d, s);
1102 // if the message is empty, skip out now
1105 // write the message to the packet
1106 SZ_Write(msg, buf.data, buf.cursize);
1109 d->currententitynumber = n;
1111 // remove world message (invalid, and thus a good terminator)
1112 MSG_WriteShort(msg, 0x8000);
1113 // write the number of the end entity
1114 MSG_WriteShort(msg, d->currententitynumber);
1116 d->currentcommit = NULL;
1118 if (sv_cullentities_stats.integer)
1119 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);
1129 void SV_CleanupEnts (void)
1134 ent = NEXT_EDICT(sv.edicts);
1135 for (e=1 ; e<sv.num_edicts ; e++, ent = NEXT_EDICT(ent))
1136 ent->v->effects = (int)ent->v->effects & ~EF_MUZZLEFLASH;
1141 SV_WriteClientdataToMessage
1145 void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
1156 // send a damage message
1158 if (ent->v->dmg_take || ent->v->dmg_save)
1160 other = PROG_TO_EDICT(ent->v->dmg_inflictor);
1161 MSG_WriteByte (msg, svc_damage);
1162 MSG_WriteByte (msg, ent->v->dmg_save);
1163 MSG_WriteByte (msg, ent->v->dmg_take);
1164 for (i=0 ; i<3 ; i++)
1165 MSG_WriteDPCoord (msg, other->v->origin[i] + 0.5*(other->v->mins[i] + other->v->maxs[i]));
1167 ent->v->dmg_take = 0;
1168 ent->v->dmg_save = 0;
1172 // send the current viewpos offset from the view entity
1174 SV_SetIdealPitch (); // how much to look up / down ideally
1176 // a fixangle might get lost in a dropped packet. Oh well.
1177 if ( ent->v->fixangle )
1179 MSG_WriteByte (msg, svc_setangle);
1180 for (i=0 ; i < 3 ; i++)
1181 MSG_WriteAngle (msg, ent->v->angles[i] );
1182 ent->v->fixangle = 0;
1187 if (ent->v->view_ofs[2] != DEFAULT_VIEWHEIGHT)
1188 bits |= SU_VIEWHEIGHT;
1190 if (ent->v->idealpitch)
1191 bits |= SU_IDEALPITCH;
1193 // stuff the sigil bits into the high bits of items for sbar, or else
1195 val = GETEDICTFIELDVALUE(ent, eval_items2);
1198 items = (int)ent->v->items | ((int)val->_float << 23);
1200 items = (int)ent->v->items | ((int)pr_global_struct->serverflags << 28);
1204 if ( (int)ent->v->flags & FL_ONGROUND)
1205 bits |= SU_ONGROUND;
1207 if ( ent->v->waterlevel >= 2)
1210 // PROTOCOL_DARKPLACES
1211 VectorClear(punchvector);
1212 if ((val = GETEDICTFIELDVALUE(ent, eval_punchvector)))
1213 VectorCopy(val->vector, punchvector);
1216 if ((val = GETEDICTFIELDVALUE(ent, eval_viewzoom)))
1218 i = val->_float * 255.0f;
1222 i = bound(0, i, 255);
1226 if (viewzoom != 255)
1227 bits |= SU_VIEWZOOM;
1229 for (i=0 ; i<3 ; i++)
1231 if (ent->v->punchangle[i])
1232 bits |= (SU_PUNCH1<<i);
1233 if (punchvector[i]) // PROTOCOL_DARKPLACES
1234 bits |= (SU_PUNCHVEC1<<i); // PROTOCOL_DARKPLACES
1235 if (ent->v->velocity[i])
1236 bits |= (SU_VELOCITY1<<i);
1239 if (ent->v->weaponframe)
1240 bits |= SU_WEAPONFRAME;
1242 if (ent->v->armorvalue)
1249 if (bits >= 16777216)
1254 MSG_WriteByte (msg, svc_clientdata);
1255 MSG_WriteShort (msg, bits);
1256 if (bits & SU_EXTEND1)
1257 MSG_WriteByte(msg, bits >> 16);
1258 if (bits & SU_EXTEND2)
1259 MSG_WriteByte(msg, bits >> 24);
1261 if (bits & SU_VIEWHEIGHT)
1262 MSG_WriteChar (msg, ent->v->view_ofs[2]);
1264 if (bits & SU_IDEALPITCH)
1265 MSG_WriteChar (msg, ent->v->idealpitch);
1267 for (i=0 ; i<3 ; i++)
1269 if (bits & (SU_PUNCH1<<i))
1270 MSG_WritePreciseAngle(msg, ent->v->punchangle[i]); // PROTOCOL_DARKPLACES
1271 if (bits & (SU_PUNCHVEC1<<i)) // PROTOCOL_DARKPLACES
1272 MSG_WriteDPCoord(msg, punchvector[i]); // PROTOCOL_DARKPLACES
1273 if (bits & (SU_VELOCITY1<<i))
1274 MSG_WriteChar (msg, ent->v->velocity[i]/16);
1277 // [always sent] if (bits & SU_ITEMS)
1278 MSG_WriteLong (msg, items);
1280 if (bits & SU_WEAPONFRAME)
1281 MSG_WriteByte (msg, ent->v->weaponframe);
1282 if (bits & SU_ARMOR)
1283 MSG_WriteByte (msg, ent->v->armorvalue);
1284 if (bits & SU_WEAPON)
1285 MSG_WriteByte (msg, SV_ModelIndex(PR_GetString(ent->v->weaponmodel)));
1287 MSG_WriteShort (msg, ent->v->health);
1288 MSG_WriteByte (msg, ent->v->currentammo);
1289 MSG_WriteByte (msg, ent->v->ammo_shells);
1290 MSG_WriteByte (msg, ent->v->ammo_nails);
1291 MSG_WriteByte (msg, ent->v->ammo_rockets);
1292 MSG_WriteByte (msg, ent->v->ammo_cells);
1294 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1298 if ( ((int)ent->v->weapon) & (1<<i) )
1300 MSG_WriteByte (msg, i);
1307 MSG_WriteByte (msg, ent->v->weapon);
1310 if (bits & SU_VIEWZOOM)
1311 MSG_WriteByte (msg, viewzoom);
1315 =======================
1316 SV_SendClientDatagram
1317 =======================
1319 static qbyte sv_sendclientdatagram_buf[MAX_DATAGRAM]; // FIXME?
1320 qboolean SV_SendClientDatagram (client_t *client)
1324 msg.data = sv_sendclientdatagram_buf;
1325 msg.maxsize = sizeof(sv_sendclientdatagram_buf);
1328 MSG_WriteByte (&msg, svc_time);
1329 MSG_WriteFloat (&msg, sv.time);
1331 // add the client specific data to the datagram
1332 SV_WriteClientdataToMessage (client->edict, &msg);
1334 SV_WriteEntitiesToClient (client, client->edict, &msg);
1336 // copy the server datagram if there is space
1337 if (msg.cursize + sv.datagram.cursize < msg.maxsize)
1338 SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
1340 // send the datagram
1341 if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1343 SV_DropClient (true);// if the message couldn't send, kick off
1351 =======================
1352 SV_UpdateToReliableMessages
1353 =======================
1355 void SV_UpdateToReliableMessages (void)
1362 // check for changes to be sent over the reliable streams
1363 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1365 // update the host_client fields we care about according to the entity fields
1366 sv_player = EDICT_NUM(i+1);
1367 s = PR_GetString(sv_player->v->netname);
1368 if (s != host_client->name)
1372 // point the string back at host_client->name to keep it safe
1373 strlcpy (host_client->name, s, sizeof (host_client->name));
1374 sv_player->v->netname = PR_SetString(host_client->name);
1376 if ((val = GETEDICTFIELDVALUE(sv_player, eval_clientcolors)) && host_client->colors != val->_float)
1377 host_client->colors = val->_float;
1378 host_client->frags = sv_player->v->frags;
1379 if (gamemode == GAME_NEHAHRA)
1380 if ((val = GETEDICTFIELDVALUE(sv_player, eval_pmodel)) && host_client->pmodel != val->_float)
1381 host_client->pmodel = val->_float;
1383 // if the fields changed, send messages about the changes
1384 if (strcmp(host_client->old_name, host_client->name))
1386 strcpy(host_client->old_name, host_client->name);
1387 for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
1389 if (!client->spawned || !client->netconnection)
1391 MSG_WriteByte (&client->message, svc_updatename);
1392 MSG_WriteByte (&client->message, i);
1393 MSG_WriteString (&client->message, host_client->name);
1396 if (host_client->old_colors != host_client->colors)
1398 host_client->old_colors = host_client->colors;
1399 for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
1401 if (!client->spawned || !client->netconnection)
1403 MSG_WriteByte (&client->message, svc_updatecolors);
1404 MSG_WriteByte (&client->message, i);
1405 MSG_WriteByte (&client->message, host_client->colors);
1408 if (host_client->old_frags != host_client->frags)
1410 host_client->old_frags = host_client->frags;
1411 for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
1413 if (!client->spawned || !client->netconnection)
1415 MSG_WriteByte (&client->message, svc_updatefrags);
1416 MSG_WriteByte (&client->message, i);
1417 MSG_WriteShort (&client->message, host_client->frags);
1422 for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
1423 if (client->netconnection)
1424 SZ_Write (&client->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
1426 SZ_Clear (&sv.reliable_datagram);
1431 =======================
1434 Send a nop message without trashing or sending the accumulated client
1436 =======================
1438 void SV_SendNop (client_t *client)
1444 msg.maxsize = sizeof(buf);
1447 MSG_WriteChar (&msg, svc_nop);
1449 if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1450 SV_DropClient (true); // if the message couldn't send, kick off
1451 client->last_message = realtime;
1455 =======================
1456 SV_SendClientMessages
1457 =======================
1459 void SV_SendClientMessages (void)
1461 int i, prepared = false;
1463 // update frags, names, etc
1464 SV_UpdateToReliableMessages();
1466 // build individual updates
1467 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1469 if (!host_client->active)
1471 if (!host_client->netconnection)
1473 SZ_Clear(&host_client->message);
1477 if (host_client->deadsocket || host_client->message.overflowed)
1479 SV_DropClient (true); // if the message couldn't send, kick off
1483 if (host_client->spawned)
1488 // only prepare entities once per frame
1489 SV_PrepareEntitiesForSending();
1491 if (!SV_SendClientDatagram (host_client))
1496 // the player isn't totally in the game yet
1497 // send small keepalive messages if too much time has passed
1498 // send a full message when the next signon stage has been requested
1499 // some other message data (name changes, etc) may accumulate
1500 // between signon stages
1501 if (!host_client->sendsignon)
1503 if (realtime - host_client->last_message > 5)
1504 SV_SendNop (host_client);
1505 continue; // don't send out non-signon messages
1509 if (host_client->message.cursize || host_client->dropasap)
1511 if (!NetConn_CanSendMessage (host_client->netconnection))
1514 if (host_client->dropasap)
1515 SV_DropClient (false); // went to another level
1518 if (NetConn_SendReliableMessage (host_client->netconnection, &host_client->message) == -1)
1519 SV_DropClient (true); // if the message couldn't send, kick off
1520 SZ_Clear (&host_client->message);
1521 host_client->last_message = realtime;
1522 host_client->sendsignon = false;
1527 // clear muzzle flashes
1533 ==============================================================================
1537 ==============================================================================
1546 int SV_ModelIndex (const char *name)
1550 if (!name || !name[0])
1553 for (i=0 ; i<MAX_MODELS && sv.model_precache[i] ; i++)
1554 if (!strcmp(sv.model_precache[i], name))
1556 if (i==MAX_MODELS || !sv.model_precache[i])
1557 Host_Error ("SV_ModelIndex: model %s not precached", name);
1561 #ifdef SV_QUAKEENTITIES
1568 void SV_CreateBaseline (void)
1570 int i, entnum, large;
1573 // LordHavoc: clear *all* states (note just active ones)
1574 for (entnum = 0;entnum < sv.max_edicts;entnum++)
1576 // get the current server version
1577 svent = EDICT_NUM(entnum);
1579 // LordHavoc: always clear state values, whether the entity is in use or not
1580 ClearStateToDefault(&svent->e->baseline);
1584 if (entnum > svs.maxclients && !svent->v->modelindex)
1587 // create entity baseline
1588 VectorCopy (svent->v->origin, svent->e->baseline.origin);
1589 VectorCopy (svent->v->angles, svent->e->baseline.angles);
1590 svent->e->baseline.frame = svent->v->frame;
1591 svent->e->baseline.skin = svent->v->skin;
1592 if (entnum > 0 && entnum <= svs.maxclients)
1594 svent->e->baseline.colormap = entnum;
1595 svent->e->baseline.modelindex = SV_ModelIndex("progs/player.mdl");
1599 svent->e->baseline.colormap = 0;
1600 svent->e->baseline.modelindex = svent->v->modelindex;
1604 if (svent->e->baseline.modelindex & 0xFF00 || svent->e->baseline.frame & 0xFF00)
1607 // add to the message
1609 MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1611 MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1612 MSG_WriteShort (&sv.signon, entnum);
1616 MSG_WriteShort (&sv.signon, svent->e->baseline.modelindex);
1617 MSG_WriteShort (&sv.signon, svent->e->baseline.frame);
1621 MSG_WriteByte (&sv.signon, svent->e->baseline.modelindex);
1622 MSG_WriteByte (&sv.signon, svent->e->baseline.frame);
1624 MSG_WriteByte (&sv.signon, svent->e->baseline.colormap);
1625 MSG_WriteByte (&sv.signon, svent->e->baseline.skin);
1626 for (i=0 ; i<3 ; i++)
1628 MSG_WriteDPCoord(&sv.signon, svent->e->baseline.origin[i]);
1629 MSG_WriteAngle(&sv.signon, svent->e->baseline.angles[i]);
1640 Tell all the clients that the server is changing levels
1643 void SV_SendReconnect (void)
1650 msg.maxsize = sizeof(data);
1652 MSG_WriteChar (&msg, svc_stufftext);
1653 MSG_WriteString (&msg, "reconnect\n");
1654 NetConn_SendToAll (&msg, 5);
1656 if (cls.state != ca_dedicated)
1657 Cmd_ExecuteString ("reconnect\n", src_command);
1665 Grabs the current state of each client for saving across the
1666 transition to another level
1669 void SV_SaveSpawnparms (void)
1673 svs.serverflags = pr_global_struct->serverflags;
1675 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1677 if (!host_client->active)
1680 // call the progs to get default spawn parms for the new client
1681 pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
1682 PR_ExecuteProgram (pr_global_struct->SetChangeParms, "QC function SetChangeParms is missing");
1683 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1684 host_client->spawn_parms[j] = (&pr_global_struct->parm1)[j];
1688 void SV_IncreaseEdicts(void)
1692 int oldmax_edicts = sv.max_edicts;
1693 void *oldedictsengineprivate = sv.edictsengineprivate;
1694 void *oldedictsfields = sv.edictsfields;
1695 void *oldmoved_edicts = sv.moved_edicts;
1697 if (sv.max_edicts >= MAX_EDICTS)
1700 // links don't survive the transition, so unlink everything
1701 for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1704 SV_UnlinkEdict(sv.edicts + i);
1705 memset(&ent->e->areagrid, 0, sizeof(ent->e->areagrid));
1709 sv.max_edicts = min(sv.max_edicts + 256, MAX_EDICTS);
1710 sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1711 sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1712 sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1714 memcpy(sv.edictsengineprivate, oldedictsengineprivate, oldmax_edicts * sizeof(edict_engineprivate_t));
1715 memcpy(sv.edictsfields, oldedictsfields, oldmax_edicts * pr_edict_size);
1717 for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1719 ent->e = sv.edictsengineprivate + i;
1720 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1721 // link every entity except world
1723 SV_LinkEdict(ent, false);
1726 Mem_Free(oldedictsengineprivate);
1727 Mem_Free(oldedictsfields);
1728 Mem_Free(oldmoved_edicts);
1735 This is called at the start of each level
1738 extern float scr_centertime_off;
1740 void SV_SpawnServer (const char *server)
1746 // let's not have any servers with no name
1747 if (hostname.string[0] == 0)
1748 Cvar_Set ("hostname", "UNNAMED");
1749 scr_centertime_off = 0;
1751 Con_DPrintf ("SpawnServer: %s\n",server);
1752 svs.changelevel_issued = false; // now safe to issue another
1755 // tell all connected clients that we are going to a new level
1760 NetConn_OpenServerPorts(true);
1763 // make cvars consistant
1766 Cvar_SetValue ("deathmatch", 0);
1767 current_skill = bound(0, (int)(skill.value + 0.5), 3);
1769 Cvar_SetValue ("skill", (float)current_skill);
1772 // set up the new server
1774 Host_ClearMemory ();
1776 memset (&sv, 0, sizeof(sv));
1778 strcpy (sv.name, server);
1780 // load progs to get entity field count
1783 // allocate server memory
1784 // start out with just enough room for clients and a reasonable estimate of entities
1785 sv.max_edicts = max(svs.maxclients + 1, 512);
1786 sv.max_edicts = min(sv.max_edicts, MAX_EDICTS);
1788 // clear the edict memory pool
1789 Mem_EmptyPool(sv_edicts_mempool);
1790 // edict_t structures (hidden from progs)
1791 sv.edicts = Mem_Alloc(sv_edicts_mempool, MAX_EDICTS * sizeof(edict_t));
1792 // engine private structures (hidden from progs)
1793 sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1794 // progs fields, often accessed by server
1795 sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1796 // used by PushMove to move back pushed entities
1797 sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1798 for (i = 0;i < sv.max_edicts;i++)
1800 ent = sv.edicts + i;
1801 ent->e = sv.edictsengineprivate + i;
1802 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1805 sv.datagram.maxsize = sizeof(sv.datagram_buf);
1806 sv.datagram.cursize = 0;
1807 sv.datagram.data = sv.datagram_buf;
1809 sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1810 sv.reliable_datagram.cursize = 0;
1811 sv.reliable_datagram.data = sv.reliable_datagram_buf;
1813 sv.signon.maxsize = sizeof(sv.signon_buf);
1814 sv.signon.cursize = 0;
1815 sv.signon.data = sv.signon_buf;
1817 // leave slots at start for clients only
1818 sv.num_edicts = svs.maxclients+1;
1820 sv.state = ss_loading;
1827 strcpy (sv.name, server);
1828 sprintf (sv.modelname,"maps/%s.bsp", server);
1829 sv.worldmodel = Mod_ForName(sv.modelname, false, true, true);
1832 Con_Printf ("Couldn't spawn server %s\n", sv.modelname);
1836 sv.models[1] = sv.worldmodel;
1839 // clear world interaction links
1843 sv.sound_precache[0] = "";
1845 sv.model_precache[0] = "";
1846 sv.model_precache[1] = sv.modelname;
1847 for (i = 1;i < sv.worldmodel->brush.numsubmodels;i++)
1849 sv.model_precache[i+1] = localmodels[i];
1850 sv.models[i+1] = Mod_ForName (localmodels[i], false, false, false);
1854 // load the rest of the entities
1857 memset (ent->v, 0, progs->entityfields * 4);
1858 ent->e->free = false;
1859 ent->v->model = PR_SetString(sv.modelname);
1860 ent->v->modelindex = 1; // world model
1861 ent->v->solid = SOLID_BSP;
1862 ent->v->movetype = MOVETYPE_PUSH;
1865 pr_global_struct->coop = coop.integer;
1867 pr_global_struct->deathmatch = deathmatch.integer;
1869 pr_global_struct->mapname = PR_SetString(sv.name);
1871 // serverflags are for cross level information (sigils)
1872 pr_global_struct->serverflags = svs.serverflags;
1874 // load replacement entity file if found
1876 if (sv_entpatch.integer)
1877 entities = FS_LoadFile(va("maps/%s.ent", sv.name), true);
1880 Con_Printf("Loaded maps/%s.ent\n", sv.name);
1881 ED_LoadFromFile (entities);
1885 ED_LoadFromFile (sv.worldmodel->brush.entities);
1888 // LordHavoc: clear world angles (to fix e3m3.bsp)
1889 VectorClear(sv.edicts->v->angles);
1893 // all setup is completed, any further precache statements are errors
1894 sv.state = ss_active;
1896 // run two frames to allow everything to settle
1897 for (i = 0;i < 2;i++)
1899 sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
1905 #ifdef QUAKEENTITIES
1906 // create a baseline for more efficient communications
1907 SV_CreateBaseline ();
1910 // send serverinfo to all connected clients
1911 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1912 if (host_client->netconnection)
1913 SV_SendServerinfo(host_client);
1915 Con_DPrintf ("Server spawned.\n");
1916 NetConn_Heartbeat (2);