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 if (SV_Move(testeye, vec3_origin, vec3_origin, testorigin, MOVE_WORLDONLY, NULL).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 if (SV_Move(testeye, vec3_origin, vec3_origin, testorigin, MOVE_WORLDONLY, NULL).fraction == 1)
526 client->visibletime[e] = realtime + 1;
527 else if (realtime > client->visibletime[e])
540 effects = ent->v->effects;
542 if ((val = GETEDICTFIELDVALUE(ent, eval_alpha)))
543 if (val->_float != 0)
544 alphaf = val->_float * 255.0f;
547 if ((val = GETEDICTFIELDVALUE(ent, eval_renderamt)))
548 if (val->_float != 0)
549 alphaf = val->_float;
553 alpha = bound(0, alphaf, 255);
555 if ((val = GETEDICTFIELDVALUE(ent, eval_scale)))
556 if ((scale = (int) (val->_float * 16.0)) == 0) scale = 16;
557 if (scale < 0) scale = 0;
558 if (scale > 255) scale = 255;
560 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_color)))
561 if (val->_float != 0)
562 glowcolor = (int) val->_float;
564 if ((val = GETEDICTFIELDVALUE(ent, eval_fullbright)))
565 if (val->_float != 0)
566 effects |= EF_FULLBRIGHT;
570 if (glowsize == 0 && (bits & U_GLOWTRAIL) == 0) // no effects
574 // don't send if flagged for NODRAW and there are no effects
575 if (model->flags == 0 && ((effects & EF_NODRAW) || scale <= 0 || alpha <= 0))
578 else // no model and no effects
583 if (msg->maxsize - msg->cursize < 32) // LordHavoc: increased check from 16 to 32
585 Con_Printf ("packet overflow\n");
586 // mark the rest of the entities so they can't be delta compressed against this frame
587 for (;e < sv.num_edicts;e++)
589 client->nextfullupdate[e] = -1;
590 client->visibletime[e] = -1;
595 if ((val = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)) && val->edict == clentnum)
596 bits = bits | U_EXTERIORMODEL;
599 baseline = &ent->e->baseline;
601 if (((int)ent->v->effects & EF_DELTA) && sv_deltacompress.integer)
603 // every half second a full update is forced
604 if (realtime < client->nextfullupdate[e])
607 baseline = &ent->e->deltabaseline;
610 nextfullupdate = realtime + 0.5f;
613 nextfullupdate = realtime + 0.5f;
615 // restore nextfullupdate since this is being sent for real
616 client->nextfullupdate[e] = nextfullupdate;
619 bits |= U_LONGENTITY;
621 if (ent->v->movetype == MOVETYPE_STEP)
624 // LordHavoc: old stuff, but rewritten to have more exact tolerances
625 if (origin[0] != baseline->origin[0]) bits |= U_ORIGIN1;
626 if (origin[1] != baseline->origin[1]) bits |= U_ORIGIN2;
627 if (origin[2] != baseline->origin[2]) bits |= U_ORIGIN3;
628 if (((int)(angles[0]*(256.0/360.0)) & 255) != ((int)(baseline->angles[0]*(256.0/360.0)) & 255)) bits |= U_ANGLE1;
629 if (((int)(angles[1]*(256.0/360.0)) & 255) != ((int)(baseline->angles[1]*(256.0/360.0)) & 255)) bits |= U_ANGLE2;
630 if (((int)(angles[2]*(256.0/360.0)) & 255) != ((int)(baseline->angles[2]*(256.0/360.0)) & 255)) bits |= U_ANGLE3;
631 if (baseline->colormap != (qbyte) ent->v->colormap) bits |= U_COLORMAP;
632 if (baseline->skin != (qbyte) ent->v->skin) bits |= U_SKIN;
633 if ((baseline->frame & 0x00FF) != ((int) ent->v->frame & 0x00FF)) bits |= U_FRAME;
634 if ((baseline->effects & 0x00FF) != ((int) ent->v->effects & 0x00FF)) bits |= U_EFFECTS;
635 if ((baseline->modelindex & 0x00FF) != ((int) ent->v->modelindex & 0x00FF)) bits |= U_MODEL;
637 // LordHavoc: new stuff
638 if (baseline->alpha != alpha) bits |= U_ALPHA;
639 if (baseline->scale != scale) bits |= U_SCALE;
640 if (((int) baseline->effects & 0xFF00) != ((int) ent->v->effects & 0xFF00)) bits |= U_EFFECTS2;
641 if (baseline->glowsize != glowsize) bits |= U_GLOWSIZE;
642 if (baseline->glowcolor != glowcolor) bits |= U_GLOWCOLOR;
643 if (((int) baseline->frame & 0xFF00) != ((int) ent->v->frame & 0xFF00)) bits |= U_FRAME2;
644 if (((int) baseline->frame & 0xFF00) != ((int) ent->v->modelindex & 0xFF00)) bits |= U_MODEL2;
646 // update delta baseline
647 VectorCopy(ent->v->origin, ent->e->deltabaseline.origin);
648 VectorCopy(ent->v->angles, ent->e->deltabaseline.angles);
649 ent->e->deltabaseline.colormap = ent->v->colormap;
650 ent->e->deltabaseline.skin = ent->v->skin;
651 ent->e->deltabaseline.frame = ent->v->frame;
652 ent->e->deltabaseline.effects = ent->v->effects;
653 ent->e->deltabaseline.modelindex = ent->v->modelindex;
654 ent->e->deltabaseline.alpha = alpha;
655 ent->e->deltabaseline.scale = scale;
656 ent->e->deltabaseline.glowsize = glowsize;
657 ent->e->deltabaseline.glowcolor = glowcolor;
660 if (bits >= 16777216)
668 MSG_WriteByte (msg, bits);
669 if (bits & U_MOREBITS)
670 MSG_WriteByte (msg, bits>>8);
671 // LordHavoc: extend bytes have to be written here due to delta compression
672 if (bits & U_EXTEND1)
673 MSG_WriteByte (msg, bits>>16);
674 if (bits & U_EXTEND2)
675 MSG_WriteByte (msg, bits>>24);
677 // LordHavoc: old stuff
678 if (bits & U_LONGENTITY)
679 MSG_WriteShort (msg,e);
681 MSG_WriteByte (msg,e);
682 if (bits & U_MODEL) MSG_WriteByte (msg, ent->v->modelindex);
683 if (bits & U_FRAME) MSG_WriteByte (msg, ent->v->frame);
684 if (bits & U_COLORMAP) MSG_WriteByte (msg, ent->v->colormap);
685 if (bits & U_SKIN) MSG_WriteByte (msg, ent->v->skin);
686 if (bits & U_EFFECTS) MSG_WriteByte (msg, ent->v->effects);
687 if (bits & U_ORIGIN1) MSG_WriteDPCoord (msg, origin[0]);
688 if (bits & U_ANGLE1) MSG_WriteAngle(msg, angles[0]);
689 if (bits & U_ORIGIN2) MSG_WriteDPCoord (msg, origin[1]);
690 if (bits & U_ANGLE2) MSG_WriteAngle(msg, angles[1]);
691 if (bits & U_ORIGIN3) MSG_WriteDPCoord (msg, origin[2]);
692 if (bits & U_ANGLE3) MSG_WriteAngle(msg, angles[2]);
694 // LordHavoc: new stuff
695 if (bits & U_ALPHA) MSG_WriteByte(msg, alpha);
696 if (bits & U_SCALE) MSG_WriteByte(msg, scale);
697 if (bits & U_EFFECTS2) MSG_WriteByte(msg, (int)ent->v->effects >> 8);
698 if (bits & U_GLOWSIZE) MSG_WriteByte(msg, glowsize);
699 if (bits & U_GLOWCOLOR) MSG_WriteByte(msg, glowcolor);
700 if (bits & U_FRAME2) MSG_WriteByte(msg, (int)ent->v->frame >> 8);
701 if (bits & U_MODEL2) MSG_WriteByte(msg, (int)ent->v->modelindex >> 8);
704 if (sv_cullentities_stats.integer)
705 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);
708 static int numsendentities;
709 static entity_state_t sendentities[MAX_EDICTS];
710 static entity_state_t *sendentitiesindex[MAX_EDICTS];
712 void SV_PrepareEntitiesForSending(void)
718 // send all entities that touch the pvs
720 sendentitiesindex[0] = NULL;
721 for (e = 1, ent = NEXT_EDICT(sv.edicts);e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
723 sendentitiesindex[e] = NULL;
727 ClearStateToDefault(&cs);
730 VectorCopy(ent->v->origin, cs.origin);
731 VectorCopy(ent->v->angles, cs.angles);
733 cs.effects = (int)ent->v->effects;
734 cs.colormap = (qbyte)ent->v->colormap;
735 cs.skin = (qbyte)ent->v->skin;
736 cs.frame = (qbyte)ent->v->frame;
737 cs.viewmodelforclient = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)->edict;
738 cs.exteriormodelforclient = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)->edict;
739 cs.nodrawtoclient = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)->edict;
740 cs.drawonlytoclient = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)->edict;
741 cs.tagentity = GETEDICTFIELDVALUE(ent, eval_tag_entity)->edict;
742 cs.tagindex = (qbyte)GETEDICTFIELDVALUE(ent, eval_tag_index)->_float;
743 i = (int)(GETEDICTFIELDVALUE(ent, eval_glow_size)->_float * 0.25f);
744 cs.glowsize = (qbyte)bound(0, i, 255);
745 if (GETEDICTFIELDVALUE(ent, eval_glow_trail)->_float)
746 cs.flags |= RENDER_GLOWTRAIL;
749 i = (int)ent->v->modelindex;
750 if (i >= 1 && i < MAX_MODELS && *PR_GetString(ent->v->model))
754 f = (GETEDICTFIELDVALUE(ent, eval_alpha)->_float * 255.0f);
758 cs.alpha = (qbyte)bound(0, i, 255);
761 f = (GETEDICTFIELDVALUE(ent, eval_renderamt)->_float);
765 cs.alpha = (qbyte)bound(0, i, 255);
769 f = (GETEDICTFIELDVALUE(ent, eval_scale)->_float * 16.0f);
773 cs.scale = (qbyte)bound(0, i, 255);
777 f = (GETEDICTFIELDVALUE(ent, eval_glow_color)->_float);
779 cs.glowcolor = (int)f;
781 if (GETEDICTFIELDVALUE(ent, eval_fullbright)->_float)
782 cs.effects |= EF_FULLBRIGHT;
784 if (ent->v->movetype == MOVETYPE_STEP)
785 cs.flags |= RENDER_STEP;
786 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)
787 cs.flags |= RENDER_LOWPRECISION;
788 if (ent->v->colormap >= 1024)
789 cs.flags |= RENDER_COLORMAPPED;
790 if (cs.viewmodelforclient)
791 cs.flags |= RENDER_VIEWMODEL; // show relative to the view
793 cs.specialvisibilityradius = 0;
795 cs.specialvisibilityradius = max(cs.specialvisibilityradius, cs.glowsize * 4);
796 if (cs.flags & RENDER_GLOWTRAIL)
797 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
798 if (cs.effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
800 if (cs.effects & EF_BRIGHTFIELD)
801 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 80);
802 if (cs.effects & EF_MUZZLEFLASH)
803 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
804 if (cs.effects & EF_BRIGHTLIGHT)
805 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 400);
806 if (cs.effects & EF_DIMLIGHT)
807 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
808 if (cs.effects & EF_RED)
809 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
810 if (cs.effects & EF_BLUE)
811 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
812 if (cs.effects & EF_FLAME)
813 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 250);
814 if (cs.effects & EF_STARDUST)
815 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
818 if (numsendentities >= MAX_EDICTS)
820 // we can omit invisible entities with no effects that are not clients
821 // LordHavoc: this could kill tags attached to an invisible entity, I
822 // just hope we never have to support that case
823 if (cs.number > MAX_SCOREBOARD && ((cs.effects & EF_NODRAW) || (!cs.modelindex && !cs.specialvisibilityradius)))
825 sendentitiesindex[e] = sendentities + numsendentities;
826 sendentities[numsendentities++] = cs;
830 static int sententitiesmark = 0;
831 static int sententities[MAX_EDICTS];
832 static int sententitiesconsideration[MAX_EDICTS];
833 static int sv_writeentitiestoclient_culled_pvs;
834 static int sv_writeentitiestoclient_culled_trace;
835 static int sv_writeentitiestoclient_visibleentities;
836 static int sv_writeentitiestoclient_totalentities;
837 //static entity_frame_t sv_writeentitiestoclient_entityframe;
838 static int sv_writeentitiestoclient_clentnum;
839 static vec3_t sv_writeentitiestoclient_testeye;
840 static client_t *sv_writeentitiestoclient_client;
842 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
844 vec3_t entmins, entmaxs, lightmins, lightmaxs, testorigin;
847 if (sententitiesconsideration[s->number] == sententitiesmark)
849 sententitiesconsideration[s->number] = sententitiesmark;
850 // viewmodels don't have visibility checking
851 if (s->viewmodelforclient)
853 if (s->viewmodelforclient != sv_writeentitiestoclient_clentnum)
856 // never reject player
857 else if (s->number != sv_writeentitiestoclient_clentnum)
859 // check various rejection conditions
860 if (s->nodrawtoclient == sv_writeentitiestoclient_clentnum)
862 if (s->drawonlytoclient && s->drawonlytoclient != sv_writeentitiestoclient_clentnum)
864 if (s->effects & EF_NODRAW)
866 // LordHavoc: only send entities with a model or important effects
867 if (!s->modelindex && s->specialvisibilityradius == 0)
871 // tag attached entities simply check their parent
872 if (!sendentitiesindex[s->tagentity])
874 SV_MarkWriteEntityStateToClient(sendentitiesindex[s->tagentity]);
875 if (sententities[s->tagentity] != sententitiesmark)
878 // always send world submodels, they don't generate much traffic
879 else if ((model = sv.models[s->modelindex]) == NULL || model->name[0] != '*')
881 Mod_CheckLoaded(model);
882 // entity has survived every check so far, check if visible
883 // enlarged box to account for prediction (not that there is
884 // any currently, but still helps the 'run into a room and
885 // watch items pop up' problem)
886 entmins[0] = s->origin[0] - 32.0f;
887 entmins[1] = s->origin[1] - 32.0f;
888 entmins[2] = s->origin[2] - 32.0f;
889 entmaxs[0] = s->origin[0] + 32.0f;
890 entmaxs[1] = s->origin[1] + 32.0f;
891 entmaxs[2] = s->origin[2] + 32.0f;
892 // using the model's bounding box to ensure things are visible regardless of their physics box
895 if (s->angles[0] || s->angles[2]) // pitch and roll
897 VectorAdd(entmins, model->rotatedmins, entmins);
898 VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
900 else if (s->angles[1])
902 VectorAdd(entmins, model->yawmins, entmins);
903 VectorAdd(entmaxs, model->yawmaxs, entmaxs);
907 VectorAdd(entmins, model->normalmins, entmins);
908 VectorAdd(entmaxs, model->normalmaxs, entmaxs);
911 lightmins[0] = min(entmins[0], s->origin[0] - s->specialvisibilityradius);
912 lightmins[1] = min(entmins[1], s->origin[1] - s->specialvisibilityradius);
913 lightmins[2] = min(entmins[2], s->origin[2] - s->specialvisibilityradius);
914 lightmaxs[0] = min(entmaxs[0], s->origin[0] + s->specialvisibilityradius);
915 lightmaxs[1] = min(entmaxs[1], s->origin[1] + s->specialvisibilityradius);
916 lightmaxs[2] = min(entmaxs[2], s->origin[2] + s->specialvisibilityradius);
917 sv_writeentitiestoclient_totalentities++;
918 // if not touching a visible leaf
919 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))
921 sv_writeentitiestoclient_culled_pvs++;
924 // or not seen by random tracelines
925 if (sv_cullentities_trace.integer)
927 // LordHavoc: test center first
928 testorigin[0] = (entmins[0] + entmaxs[0]) * 0.5f;
929 testorigin[1] = (entmins[1] + entmaxs[1]) * 0.5f;
930 testorigin[2] = (entmins[2] + entmaxs[2]) * 0.5f;
931 trace = SV_Move(sv_writeentitiestoclient_testeye, vec3_origin, vec3_origin, testorigin, MOVE_WORLDONLY, NULL);
932 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
933 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
936 // LordHavoc: test random offsets, to maximize chance of detection
937 testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
938 testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
939 testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
940 trace = SV_Move(sv_writeentitiestoclient_testeye, vec3_origin, vec3_origin, testorigin, MOVE_WORLDONLY, NULL);
941 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
942 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
945 if (s->specialvisibilityradius)
947 // LordHavoc: test random offsets, to maximize chance of detection
948 testorigin[0] = lhrandom(lightmins[0], lightmaxs[0]);
949 testorigin[1] = lhrandom(lightmins[1], lightmaxs[1]);
950 testorigin[2] = lhrandom(lightmins[2], lightmaxs[2]);
951 trace = SV_Move(sv_writeentitiestoclient_testeye, vec3_origin, vec3_origin, testorigin, MOVE_WORLDONLY, NULL);
952 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
953 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
957 if (realtime > sv_writeentitiestoclient_client->visibletime[s->number])
959 sv_writeentitiestoclient_culled_trace++;
963 sv_writeentitiestoclient_visibleentities++;
966 // this just marks it for sending
967 // FIXME: it would be more efficient to send here, but the entity
968 // compressor isn't that flexible
969 sententities[s->number] = sententitiesmark;
972 void SV_WriteEntitiesToClient(client_t *client, edict_t *clent, sizebuf_t *msg)
977 entity_database4_t *d;
978 int maxbytes, n, startnumber;
979 entity_state_t *e, inactiveentitystate;
982 // prepare the buffer
983 memset(&buf, 0, sizeof(buf));
985 buf.maxsize = sizeof(data);
987 // this state's number gets played around with later
988 ClearStateToDefault(&inactiveentitystate);
989 //inactiveentitystate = defaultstate;
991 sv_writeentitiestoclient_client = client;
993 sv_writeentitiestoclient_culled_pvs = 0;
994 sv_writeentitiestoclient_culled_trace = 0;
995 sv_writeentitiestoclient_visibleentities = 0;
996 sv_writeentitiestoclient_totalentities = 0;
998 Mod_CheckLoaded(sv.worldmodel);
1000 // find the client's PVS
1001 // the real place being tested from
1002 VectorAdd(clent->v->origin, clent->v->view_ofs, sv_writeentitiestoclient_testeye);
1003 sv_writeentitiestoclient_pvsbytes = 0;
1004 if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1005 sv_writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv_writeentitiestoclient_testeye, 8, sv_writeentitiestoclient_pvs, sizeof(sv_writeentitiestoclient_pvs));
1007 sv_writeentitiestoclient_clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1011 // the place being reported (to consider the fact the client still
1012 // applies the view_ofs[2], so we have to only send the fractional part
1013 // of view_ofs[2], undoing what the client will redo)
1014 VectorCopy(sv_writeentitiestoclient_testeye, testorigin);
1015 i = (int) clent->v->view_ofs[2] & 255;
1018 testorigin[2] -= (float) i;
1020 for (i = 0;i < numsendentities;i++)
1021 SV_MarkWriteEntityStateToClient(sendentities + i);
1023 d = client->entitydatabase4;
1024 // calculate maximum bytes to allow in this packet
1025 // deduct 4 to account for the end data
1026 maxbytes = min(msg->maxsize, MAX_PACKETFRAGMENT) - 4;
1028 d->currentcommit = d->commit + EntityFrame4_SV_ChooseCommitToReplace(d);
1029 d->currentcommit->numentities = 0;
1030 d->currentcommit->framenum = ++client->entityframenumber;
1031 MSG_WriteByte(msg, svc_entities);
1032 MSG_WriteLong(msg, d->referenceframenum);
1033 MSG_WriteLong(msg, d->currentcommit->framenum);
1034 if (d->currententitynumber >= sv.max_edicts)
1037 startnumber = bound(1, d->currententitynumber, sv.max_edicts - 1);
1038 MSG_WriteShort(msg, startnumber);
1039 // reset currententitynumber so if the loop does not break it we will
1040 // start at beginning next frame (if it does break, it will set it)
1041 d->currententitynumber = 1;
1042 for (i = 0, n = startnumber;n < sv.max_edicts;n++)
1044 // find the old state to delta from
1045 e = EntityFrame4_GetReferenceEntity(d, n);
1046 // prepare the buffer
1049 if (sententities[n] == sententitiesmark)
1051 // entity exists, build an update (if empty there is no change)
1052 // find the state in the list
1053 for (;i < numsendentities && sendentities[i].number < n;i++);
1054 s = sendentities + i;
1056 Sys_Error("SV_WriteEntitiesToClient: s->number != n\n");
1058 if (s->exteriormodelforclient && s->exteriormodelforclient == sv_writeentitiestoclient_clentnum)
1060 s->flags |= RENDER_EXTERIORMODEL;
1061 EntityState_Write(s, &buf, e);
1062 s->flags &= ~RENDER_EXTERIORMODEL;
1065 EntityState_Write(s, &buf, e);
1069 s = &inactiveentitystate;
1073 // entity used to exist but doesn't anymore, send remove
1074 MSG_WriteShort(&buf, n | 0x8000);
1077 // if the commit is full, we're done this frame
1078 if (msg->cursize + buf.cursize > maxbytes)
1080 // next frame we will continue where we left off
1083 // add the entity to the commit
1084 EntityFrame4_AddCommitEntity(d, s);
1085 // if the message is empty, skip out now
1088 // write the message to the packet
1089 SZ_Write(msg, buf.data, buf.cursize);
1092 d->currententitynumber = n;
1094 // remove world message (invalid, and thus a good terminator)
1095 MSG_WriteShort(msg, 0x8000);
1096 // write the number of the end entity
1097 MSG_WriteShort(msg, d->currententitynumber);
1099 d->currentcommit = NULL;
1101 if (sv_cullentities_stats.integer)
1102 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);
1112 void SV_CleanupEnts (void)
1117 ent = NEXT_EDICT(sv.edicts);
1118 for (e=1 ; e<sv.num_edicts ; e++, ent = NEXT_EDICT(ent))
1119 ent->v->effects = (int)ent->v->effects & ~EF_MUZZLEFLASH;
1124 SV_WriteClientdataToMessage
1128 void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
1139 // send a damage message
1141 if (ent->v->dmg_take || ent->v->dmg_save)
1143 other = PROG_TO_EDICT(ent->v->dmg_inflictor);
1144 MSG_WriteByte (msg, svc_damage);
1145 MSG_WriteByte (msg, ent->v->dmg_save);
1146 MSG_WriteByte (msg, ent->v->dmg_take);
1147 for (i=0 ; i<3 ; i++)
1148 MSG_WriteDPCoord (msg, other->v->origin[i] + 0.5*(other->v->mins[i] + other->v->maxs[i]));
1150 ent->v->dmg_take = 0;
1151 ent->v->dmg_save = 0;
1155 // send the current viewpos offset from the view entity
1157 SV_SetIdealPitch (); // how much to look up / down ideally
1159 // a fixangle might get lost in a dropped packet. Oh well.
1160 if ( ent->v->fixangle )
1162 MSG_WriteByte (msg, svc_setangle);
1163 for (i=0 ; i < 3 ; i++)
1164 MSG_WriteAngle (msg, ent->v->angles[i] );
1165 ent->v->fixangle = 0;
1170 if (ent->v->view_ofs[2] != DEFAULT_VIEWHEIGHT)
1171 bits |= SU_VIEWHEIGHT;
1173 if (ent->v->idealpitch)
1174 bits |= SU_IDEALPITCH;
1176 // stuff the sigil bits into the high bits of items for sbar, or else
1178 val = GETEDICTFIELDVALUE(ent, eval_items2);
1181 items = (int)ent->v->items | ((int)val->_float << 23);
1183 items = (int)ent->v->items | ((int)pr_global_struct->serverflags << 28);
1187 if ( (int)ent->v->flags & FL_ONGROUND)
1188 bits |= SU_ONGROUND;
1190 if ( ent->v->waterlevel >= 2)
1194 VectorClear(punchvector);
1195 if ((val = GETEDICTFIELDVALUE(ent, eval_punchvector)))
1196 VectorCopy(val->vector, punchvector);
1199 if ((val = GETEDICTFIELDVALUE(ent, eval_viewzoom)))
1201 i = val->_float * 255.0f;
1205 i = bound(0, i, 255);
1209 if (viewzoom != 255)
1210 bits |= SU_VIEWZOOM;
1212 for (i=0 ; i<3 ; i++)
1214 if (ent->v->punchangle[i])
1215 bits |= (SU_PUNCH1<<i);
1216 if (punchvector[i]) // dpprotocol
1217 bits |= (SU_PUNCHVEC1<<i); // dpprotocol
1218 if (ent->v->velocity[i])
1219 bits |= (SU_VELOCITY1<<i);
1222 if (ent->v->weaponframe)
1223 bits |= SU_WEAPONFRAME;
1225 if (ent->v->armorvalue)
1232 if (bits >= 16777216)
1237 MSG_WriteByte (msg, svc_clientdata);
1238 MSG_WriteShort (msg, bits);
1239 if (bits & SU_EXTEND1)
1240 MSG_WriteByte(msg, bits >> 16);
1241 if (bits & SU_EXTEND2)
1242 MSG_WriteByte(msg, bits >> 24);
1244 if (bits & SU_VIEWHEIGHT)
1245 MSG_WriteChar (msg, ent->v->view_ofs[2]);
1247 if (bits & SU_IDEALPITCH)
1248 MSG_WriteChar (msg, ent->v->idealpitch);
1250 for (i=0 ; i<3 ; i++)
1252 if (bits & (SU_PUNCH1<<i))
1253 MSG_WritePreciseAngle(msg, ent->v->punchangle[i]); // dpprotocol
1254 if (bits & (SU_PUNCHVEC1<<i)) // dpprotocol
1255 MSG_WriteDPCoord(msg, punchvector[i]); // dpprotocol
1256 if (bits & (SU_VELOCITY1<<i))
1257 MSG_WriteChar (msg, ent->v->velocity[i]/16);
1260 // [always sent] if (bits & SU_ITEMS)
1261 MSG_WriteLong (msg, items);
1263 if (bits & SU_WEAPONFRAME)
1264 MSG_WriteByte (msg, ent->v->weaponframe);
1265 if (bits & SU_ARMOR)
1266 MSG_WriteByte (msg, ent->v->armorvalue);
1267 if (bits & SU_WEAPON)
1268 MSG_WriteByte (msg, SV_ModelIndex(PR_GetString(ent->v->weaponmodel)));
1270 MSG_WriteShort (msg, ent->v->health);
1271 MSG_WriteByte (msg, ent->v->currentammo);
1272 MSG_WriteByte (msg, ent->v->ammo_shells);
1273 MSG_WriteByte (msg, ent->v->ammo_nails);
1274 MSG_WriteByte (msg, ent->v->ammo_rockets);
1275 MSG_WriteByte (msg, ent->v->ammo_cells);
1277 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1281 if ( ((int)ent->v->weapon) & (1<<i) )
1283 MSG_WriteByte (msg, i);
1290 MSG_WriteByte (msg, ent->v->weapon);
1293 if (bits & SU_VIEWZOOM)
1294 MSG_WriteByte (msg, viewzoom);
1298 =======================
1299 SV_SendClientDatagram
1300 =======================
1302 static qbyte sv_sendclientdatagram_buf[MAX_DATAGRAM]; // FIXME?
1303 qboolean SV_SendClientDatagram (client_t *client)
1307 msg.data = sv_sendclientdatagram_buf;
1308 msg.maxsize = sizeof(sv_sendclientdatagram_buf);
1311 MSG_WriteByte (&msg, svc_time);
1312 MSG_WriteFloat (&msg, sv.time);
1314 // add the client specific data to the datagram
1315 SV_WriteClientdataToMessage (client->edict, &msg);
1317 SV_WriteEntitiesToClient (client, client->edict, &msg);
1319 // copy the server datagram if there is space
1320 if (msg.cursize + sv.datagram.cursize < msg.maxsize)
1321 SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
1323 // send the datagram
1324 if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1326 SV_DropClient (true);// if the message couldn't send, kick off
1334 =======================
1335 SV_UpdateToReliableMessages
1336 =======================
1338 void SV_UpdateToReliableMessages (void)
1345 // check for changes to be sent over the reliable streams
1346 for (i = 0;i < MAX_SCOREBOARD;i++)
1348 // only update the client fields if they've spawned in
1349 if ((host_client = svs.connectedclients[i]) && host_client->spawned)
1351 // update the host_client fields we care about according to the entity fields
1352 sv_player = host_client->edict;
1353 s = PR_GetString(sv_player->v->netname);
1354 if (s != host_client->name)
1358 // point the string back at host_client->name to keep it safe
1359 strncpy(host_client->name, s, sizeof(host_client->name) - 1);
1360 sv_player->v->netname = PR_SetString(host_client->name);
1362 if ((val = GETEDICTFIELDVALUE(sv_player, eval_clientcolors)) && host_client->colors != val->_float)
1363 host_client->colors = val->_float;
1364 host_client->frags = sv_player->v->frags;
1365 if (gamemode == GAME_NEHAHRA)
1366 if ((val = GETEDICTFIELDVALUE(sv_player, eval_pmodel)) && host_client->pmodel != val->_float)
1367 host_client->pmodel = val->_float;
1369 // if the fields changed, send messages about the changes
1370 if (strcmp(host_client->old_name, host_client->name))
1372 strcpy(host_client->old_name, host_client->name);
1373 for (j = 0;j < MAX_SCOREBOARD;j++)
1375 if (!(client = svs.connectedclients[j]) || !client->spawned)
1377 MSG_WriteByte (&client->message, svc_updatename);
1378 MSG_WriteByte (&client->message, i);
1379 MSG_WriteString (&client->message, host_client->name);
1382 if (host_client->old_colors != host_client->colors)
1384 host_client->old_colors = host_client->colors;
1385 for (j = 0;j < MAX_SCOREBOARD;j++)
1387 if (!(client = svs.connectedclients[j]) || !client->spawned)
1389 MSG_WriteByte (&client->message, svc_updatecolors);
1390 MSG_WriteByte (&client->message, i);
1391 MSG_WriteByte (&client->message, host_client->colors);
1394 if (host_client->old_frags != host_client->frags)
1396 host_client->old_frags = host_client->frags;
1397 for (j = 0;j < MAX_SCOREBOARD;j++)
1399 if (!(client = svs.connectedclients[j]) || !client->spawned)
1401 MSG_WriteByte (&client->message, svc_updatefrags);
1402 MSG_WriteByte (&client->message, i);
1403 MSG_WriteShort (&client->message, host_client->frags);
1409 for (j = 0;j < MAX_SCOREBOARD;j++)
1410 if ((client = svs.connectedclients[j]))
1411 SZ_Write (&client->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
1413 SZ_Clear (&sv.reliable_datagram);
1418 =======================
1421 Send a nop message without trashing or sending the accumulated client
1423 =======================
1425 void SV_SendNop (client_t *client)
1431 msg.maxsize = sizeof(buf);
1434 MSG_WriteChar (&msg, svc_nop);
1436 if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1437 SV_DropClient (true); // if the message couldn't send, kick off
1438 client->last_message = realtime;
1442 =======================
1443 SV_SendClientMessages
1444 =======================
1446 void SV_SendClientMessages (void)
1448 int i, prepared = false;
1450 // update frags, names, etc
1451 SV_UpdateToReliableMessages();
1453 // build individual updates
1454 for (i = 0;i < MAX_SCOREBOARD;i++)
1456 if (!(host_client = svs.connectedclients[i]))
1459 if (host_client->deadsocket || !host_client->netconnection || host_client->message.overflowed)
1461 SV_DropClient (true); // if the message couldn't send, kick off
1465 if (host_client->spawned)
1470 // only prepare entities once per frame
1471 SV_PrepareEntitiesForSending();
1473 if (!SV_SendClientDatagram (host_client))
1478 // the player isn't totally in the game yet
1479 // send small keepalive messages if too much time has passed
1480 // send a full message when the next signon stage has been requested
1481 // some other message data (name changes, etc) may accumulate
1482 // between signon stages
1483 if (!host_client->sendsignon)
1485 if (realtime - host_client->last_message > 5)
1486 SV_SendNop (host_client);
1487 continue; // don't send out non-signon messages
1491 if (host_client->message.cursize || host_client->dropasap)
1493 if (!NetConn_CanSendMessage (host_client->netconnection))
1496 if (host_client->dropasap)
1497 SV_DropClient (false); // went to another level
1500 if (NetConn_SendReliableMessage (host_client->netconnection, &host_client->message) == -1)
1501 SV_DropClient (true); // if the message couldn't send, kick off
1502 SZ_Clear (&host_client->message);
1503 host_client->last_message = realtime;
1504 host_client->sendsignon = false;
1509 // clear muzzle flashes
1515 ==============================================================================
1519 ==============================================================================
1528 int SV_ModelIndex (const char *name)
1532 if (!name || !name[0])
1535 for (i=0 ; i<MAX_MODELS && sv.model_precache[i] ; i++)
1536 if (!strcmp(sv.model_precache[i], name))
1538 if (i==MAX_MODELS || !sv.model_precache[i])
1539 Host_Error ("SV_ModelIndex: model %s not precached", name);
1543 #ifdef SV_QUAKEENTITIES
1550 void SV_CreateBaseline (void)
1552 int i, entnum, large;
1555 // LordHavoc: clear *all* states (note just active ones)
1556 for (entnum = 0;entnum < sv.max_edicts;entnum++)
1558 // get the current server version
1559 svent = EDICT_NUM(entnum);
1561 // LordHavoc: always clear state values, whether the entity is in use or not
1562 ClearStateToDefault(&svent->e->baseline);
1566 if (entnum > MAX_SCOREBOARD && !svent->v->modelindex)
1569 // create entity baseline
1570 VectorCopy (svent->v->origin, svent->e->baseline.origin);
1571 VectorCopy (svent->v->angles, svent->e->baseline.angles);
1572 svent->e->baseline.frame = svent->v->frame;
1573 svent->e->baseline.skin = svent->v->skin;
1574 if (entnum > 0 && entnum <= MAX_SCOREBOARD)
1576 svent->e->baseline.colormap = entnum;
1577 svent->e->baseline.modelindex = SV_ModelIndex("progs/player.mdl");
1581 svent->e->baseline.colormap = 0;
1582 svent->e->baseline.modelindex = svent->v->modelindex;
1586 if (svent->e->baseline.modelindex & 0xFF00 || svent->e->baseline.frame & 0xFF00)
1589 // add to the message
1591 MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1593 MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1594 MSG_WriteShort (&sv.signon, entnum);
1598 MSG_WriteShort (&sv.signon, svent->e->baseline.modelindex);
1599 MSG_WriteShort (&sv.signon, svent->e->baseline.frame);
1603 MSG_WriteByte (&sv.signon, svent->e->baseline.modelindex);
1604 MSG_WriteByte (&sv.signon, svent->e->baseline.frame);
1606 MSG_WriteByte (&sv.signon, svent->e->baseline.colormap);
1607 MSG_WriteByte (&sv.signon, svent->e->baseline.skin);
1608 for (i=0 ; i<3 ; i++)
1610 MSG_WriteDPCoord(&sv.signon, svent->e->baseline.origin[i]);
1611 MSG_WriteAngle(&sv.signon, svent->e->baseline.angles[i]);
1622 Tell all the clients that the server is changing levels
1625 void SV_SendReconnect (void)
1632 msg.maxsize = sizeof(data);
1634 MSG_WriteChar (&msg, svc_stufftext);
1635 MSG_WriteString (&msg, "reconnect\n");
1636 NetConn_SendToAll (&msg, 5);
1638 if (cls.state != ca_dedicated)
1639 Cmd_ExecuteString ("reconnect\n", src_command);
1647 Grabs the current state of each client for saving across the
1648 transition to another level
1651 void SV_SaveSpawnparms (void)
1655 svs.serverflags = pr_global_struct->serverflags;
1657 for (i = 0;i < MAX_SCOREBOARD;i++)
1659 if (!(host_client = svs.connectedclients[i]))
1662 // call the progs to get default spawn parms for the new client
1663 pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
1664 PR_ExecuteProgram (pr_global_struct->SetChangeParms, "QC function SetChangeParms is missing");
1665 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1666 host_client->spawn_parms[j] = (&pr_global_struct->parm1)[j];
1670 void SV_IncreaseEdicts(void)
1674 int oldmax_edicts = sv.max_edicts;
1675 void *oldedictsengineprivate = sv.edictsengineprivate;
1676 void *oldedictsfields = sv.edictsfields;
1677 void *oldmoved_edicts = sv.moved_edicts;
1679 if (sv.max_edicts >= MAX_EDICTS)
1682 // links don't survive the transition, so unlink everything
1683 for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1686 SV_UnlinkEdict(sv.edicts + i);
1687 memset(&ent->e->areagrid, 0, sizeof(ent->e->areagrid));
1691 sv.max_edicts = min(sv.max_edicts + 256, MAX_EDICTS);
1692 sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1693 sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1694 sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1696 memcpy(sv.edictsengineprivate, oldedictsengineprivate, oldmax_edicts * sizeof(edict_engineprivate_t));
1697 memcpy(sv.edictsfields, oldedictsfields, oldmax_edicts * pr_edict_size);
1699 for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1701 ent->e = sv.edictsengineprivate + i;
1702 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1703 // link every entity except world
1705 SV_LinkEdict(ent, false);
1708 Mem_Free(oldedictsengineprivate);
1709 Mem_Free(oldedictsfields);
1710 Mem_Free(oldmoved_edicts);
1717 This is called at the start of each level
1720 extern float scr_centertime_off;
1722 void SV_SpawnServer (const char *server)
1728 // let's not have any servers with no name
1729 if (hostname.string[0] == 0)
1730 Cvar_Set ("hostname", "UNNAMED");
1731 scr_centertime_off = 0;
1733 Con_DPrintf ("SpawnServer: %s\n",server);
1734 svs.changelevel_issued = false; // now safe to issue another
1737 // tell all connected clients that we are going to a new level
1742 NetConn_OpenServerPorts(true);
1745 // make cvars consistant
1748 Cvar_SetValue ("deathmatch", 0);
1749 current_skill = bound(0, (int)(skill.value + 0.5), 3);
1751 Cvar_SetValue ("skill", (float)current_skill);
1754 // set up the new server
1756 Host_ClearMemory ();
1758 memset (&sv, 0, sizeof(sv));
1760 strcpy (sv.name, server);
1762 // load progs to get entity field count
1765 // allocate server memory
1766 // start out with just enough room for clients and a reasonable estimate of entities
1767 sv.max_edicts = max(MAX_SCOREBOARD + 1, 512);
1768 sv.max_edicts = min(sv.max_edicts, MAX_EDICTS);
1770 // clear the edict memory pool
1771 Mem_EmptyPool(sv_edicts_mempool);
1772 // edict_t structures (hidden from progs)
1773 sv.edicts = Mem_Alloc(sv_edicts_mempool, MAX_EDICTS * sizeof(edict_t));
1774 // engine private structures (hidden from progs)
1775 sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1776 // progs fields, often accessed by server
1777 sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1778 // used by PushMove to move back pushed entities
1779 sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1780 for (i = 0;i < sv.max_edicts;i++)
1782 ent = sv.edicts + i;
1783 ent->e = sv.edictsengineprivate + i;
1784 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1787 sv.datagram.maxsize = sizeof(sv.datagram_buf);
1788 sv.datagram.cursize = 0;
1789 sv.datagram.data = sv.datagram_buf;
1791 sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1792 sv.reliable_datagram.cursize = 0;
1793 sv.reliable_datagram.data = sv.reliable_datagram_buf;
1795 sv.signon.maxsize = sizeof(sv.signon_buf);
1796 sv.signon.cursize = 0;
1797 sv.signon.data = sv.signon_buf;
1799 // leave slots at start for clients only
1800 sv.num_edicts = MAX_SCOREBOARD+1;
1802 sv.state = ss_loading;
1809 strcpy (sv.name, server);
1810 sprintf (sv.modelname,"maps/%s.bsp", server);
1811 sv.worldmodel = Mod_ForName(sv.modelname, false, true, true);
1814 Con_Printf ("Couldn't spawn server %s\n", sv.modelname);
1818 sv.models[1] = sv.worldmodel;
1821 // clear world interaction links
1825 sv.sound_precache[0] = "";
1827 sv.model_precache[0] = "";
1828 sv.model_precache[1] = sv.modelname;
1829 for (i = 1;i < sv.worldmodel->brush.numsubmodels;i++)
1831 sv.model_precache[i+1] = localmodels[i];
1832 sv.models[i+1] = Mod_ForName (localmodels[i], false, false, false);
1836 // load the rest of the entities
1839 memset (ent->v, 0, progs->entityfields * 4);
1840 ent->e->free = false;
1841 ent->v->model = PR_SetString(sv.modelname);
1842 ent->v->modelindex = 1; // world model
1843 ent->v->solid = SOLID_BSP;
1844 ent->v->movetype = MOVETYPE_PUSH;
1847 pr_global_struct->coop = coop.integer;
1849 pr_global_struct->deathmatch = deathmatch.integer;
1851 pr_global_struct->mapname = PR_SetString(sv.name);
1853 // serverflags are for cross level information (sigils)
1854 pr_global_struct->serverflags = svs.serverflags;
1856 // load replacement entity file if found
1858 if (sv_entpatch.integer)
1859 entities = FS_LoadFile(va("maps/%s.ent", sv.name), true);
1862 Con_Printf("Loaded maps/%s.ent\n", sv.name);
1863 ED_LoadFromFile (entities);
1867 ED_LoadFromFile (sv.worldmodel->brush.entities);
1870 // LordHavoc: clear world angles (to fix e3m3.bsp)
1871 VectorClear(sv.edicts->v->angles);
1875 // all setup is completed, any further precache statements are errors
1876 sv.state = ss_active;
1878 // run two frames to allow everything to settle
1879 for (i = 0;i < 2;i++)
1881 sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
1887 #ifdef QUAKEENTITIES
1888 // create a baseline for more efficient communications
1889 SV_CreateBaseline ();
1892 // send serverinfo to all connected clients
1893 for (i = 0;i < MAX_SCOREBOARD;i++)
1894 if ((host_client = svs.connectedclients[i]))
1895 SV_SendServerinfo(host_client);
1897 Con_DPrintf ("Server spawned.\n");
1898 NetConn_Heartbeat (2);