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 // select which protocol to host, by name
25 // this is named the same as PROTOCOL_DARKPLACES6 for example, minus the PROTOCOL_ prefix
26 cvar_t sv_protocolname = {0, "sv_protocolname", "DARKPLACES6"};
27 cvar_t sv_ratelimitlocalplayer = {0, "sv_ratelimitlocalplayer", "0"};
28 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "10000"};
30 static cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1"}; // fast but loose
31 static cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "0"}; // tends to get false negatives, uses a timeout to keep entities visible a short time after becoming hidden
32 static cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0"};
33 static cvar_t sv_entpatch = {0, "sv_entpatch", "1"};
35 extern cvar_t sys_ticrate;
37 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1"};
38 cvar_t sv_gameplayfix_noairborncorpse = {0, "sv_gameplayfix_noairborncorpse", "1"};
39 cvar_t sv_gameplayfix_stepdown = {0, "sv_gameplayfix_stepdown", "1"};
40 cvar_t sv_gameplayfix_stepwhilejumping = {0, "sv_gameplayfix_stepwhilejumping", "1"};
41 cvar_t sv_gameplayfix_swiminbmodels = {0, "sv_gameplayfix_swiminbmodels", "1"};
42 cvar_t sv_gameplayfix_setmodelrealbox = {0, "sv_gameplayfix_setmodelrealbox", "1"};
47 mempool_t *sv_edicts_mempool = NULL;
49 //============================================================================
51 extern void SV_Phys_Init (void);
52 extern void SV_World_Init (void);
53 static void SV_SaveEntFile_f(void);
62 Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f);
63 Cvar_RegisterVariable (&sv_maxvelocity);
64 Cvar_RegisterVariable (&sv_gravity);
65 Cvar_RegisterVariable (&sv_friction);
66 Cvar_RegisterVariable (&sv_edgefriction);
67 Cvar_RegisterVariable (&sv_stopspeed);
68 Cvar_RegisterVariable (&sv_maxspeed);
69 Cvar_RegisterVariable (&sv_accelerate);
70 Cvar_RegisterVariable (&sv_idealpitchscale);
71 Cvar_RegisterVariable (&sv_aim);
72 Cvar_RegisterVariable (&sv_nostep);
73 Cvar_RegisterVariable (&sv_deltacompress);
74 Cvar_RegisterVariable (&sv_cullentities_pvs);
75 Cvar_RegisterVariable (&sv_cullentities_trace);
76 Cvar_RegisterVariable (&sv_cullentities_stats);
77 Cvar_RegisterVariable (&sv_entpatch);
78 Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
79 Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
80 Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
81 Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
82 Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
83 Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
84 Cvar_RegisterVariable (&sv_protocolname);
85 Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
86 Cvar_RegisterVariable (&sv_maxrate);
91 sv_edicts_mempool = Mem_AllocPool("server edicts", 0, NULL);
94 static void SV_SaveEntFile_f(void)
96 char basename[MAX_QPATH];
97 if (!sv.active || !sv.worldmodel)
99 Con_Print("Not running a server\n");
102 FS_StripExtension(sv.worldmodel->name, basename, sizeof(basename));
103 FS_WriteFile(va("%s.ent", basename), sv.worldmodel->brush.entities, strlen(sv.worldmodel->brush.entities));
108 =============================================================================
112 =============================================================================
119 Make sure the event gets sent to all clients
122 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
126 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
128 MSG_WriteByte (&sv.datagram, svc_particle);
129 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
130 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
131 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
132 for (i=0 ; i<3 ; i++)
139 MSG_WriteChar (&sv.datagram, v);
141 MSG_WriteByte (&sv.datagram, count);
142 MSG_WriteByte (&sv.datagram, color);
149 Make sure the event gets sent to all clients
152 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
154 if (modelindex >= 256 || startframe >= 256)
156 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
158 MSG_WriteByte (&sv.datagram, svc_effect2);
159 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
160 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
161 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
162 MSG_WriteShort (&sv.datagram, modelindex);
163 MSG_WriteShort (&sv.datagram, startframe);
164 MSG_WriteByte (&sv.datagram, framecount);
165 MSG_WriteByte (&sv.datagram, framerate);
169 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
171 MSG_WriteByte (&sv.datagram, svc_effect);
172 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
173 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
174 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
175 MSG_WriteByte (&sv.datagram, modelindex);
176 MSG_WriteByte (&sv.datagram, startframe);
177 MSG_WriteByte (&sv.datagram, framecount);
178 MSG_WriteByte (&sv.datagram, framerate);
186 Each entity can have eight independant sound sources, like voice,
189 Channel 0 is an auto-allocate channel, the others override anything
190 already running on that entity/channel pair.
192 An attenuation of 0 will play full volume everywhere in the level.
193 Larger attenuations will drop off. (max 4 attenuation)
197 void SV_StartSound (edict_t *entity, int channel, char *sample, int volume, float attenuation)
199 int sound_num, field_mask, i, ent;
201 if (volume < 0 || volume > 255)
202 Host_Error ("SV_StartSound: volume = %i", volume);
204 if (attenuation < 0 || attenuation > 4)
205 Host_Error ("SV_StartSound: attenuation = %f", attenuation);
207 if (channel < 0 || channel > 7)
208 Host_Error ("SV_StartSound: channel = %i", channel);
210 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
213 // find precache number for sound
214 sound_num = SV_SoundIndex(sample, 1);
218 ent = NUM_FOR_EDICT(entity);
221 if (volume != DEFAULT_SOUND_PACKET_VOLUME)
222 field_mask |= SND_VOLUME;
223 if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
224 field_mask |= SND_ATTENUATION;
226 field_mask |= SND_LARGEENTITY;
227 if (sound_num >= 256 || channel >= 8)
228 field_mask |= SND_LARGESOUND;
230 // directed messages go only to the entity they are targeted on
231 MSG_WriteByte (&sv.datagram, svc_sound);
232 MSG_WriteByte (&sv.datagram, field_mask);
233 if (field_mask & SND_VOLUME)
234 MSG_WriteByte (&sv.datagram, volume);
235 if (field_mask & SND_ATTENUATION)
236 MSG_WriteByte (&sv.datagram, attenuation*64);
237 if (field_mask & SND_LARGEENTITY)
239 MSG_WriteShort (&sv.datagram, ent);
240 MSG_WriteByte (&sv.datagram, channel);
243 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
244 if (field_mask & SND_LARGESOUND)
245 MSG_WriteShort (&sv.datagram, sound_num);
247 MSG_WriteByte (&sv.datagram, sound_num);
248 for (i = 0;i < 3;i++)
249 MSG_WriteCoord (&sv.datagram, entity->v->origin[i]+0.5*(entity->v->mins[i]+entity->v->maxs[i]), sv.protocol);
253 ==============================================================================
257 ==============================================================================
264 Sends the first message from the server to a connected client.
265 This will be sent on the initial connection and upon each server load.
268 void SV_SendServerinfo (client_t *client)
273 // edicts get reallocated on level changes, so we need to update it here
274 client->edict = EDICT_NUM((client - svs.clients) + 1);
276 // if client is a botclient coming from a level change, we need to set up
277 // client info that normally requires networking
278 if (!client->netconnection)
281 ED_ClearEdict(client->edict);
283 // copy spawn parms out of the client_t
284 for (i=0 ; i< NUM_SPAWN_PARMS ; i++)
285 (&pr_global_struct->parm1)[i] = host_client->spawn_parms[i];
287 // call the spawn function
288 pr_global_struct->time = sv.time;
289 pr_global_struct->self = EDICT_TO_PROG(client->edict);
290 PR_ExecuteProgram (pr_global_struct->ClientConnect, "QC function ClientConnect is missing");
291 PR_ExecuteProgram (pr_global_struct->PutClientInServer, "QC function PutClientInServer is missing");
292 host_client->spawned = true;
296 // LordHavoc: clear entityframe tracking
297 client->latestframenum = 0;
299 if (client->entitydatabase)
300 EntityFrame_FreeDatabase(client->entitydatabase);
301 if (client->entitydatabase4)
302 EntityFrame4_FreeDatabase(client->entitydatabase4);
303 if (client->entitydatabase5)
304 EntityFrame5_FreeDatabase(client->entitydatabase5);
306 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
307 client->entitydatabase = EntityFrame_AllocDatabase(sv_clients_mempool);
308 if (sv.protocol == PROTOCOL_DARKPLACES4)
309 client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_clients_mempool);
310 if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
311 client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_clients_mempool);
313 MSG_WriteByte (&client->message, svc_print);
314 snprintf (message, sizeof (message), "\002\nServer: %s build %s (progs %i crc)", gamename, buildstring, pr_crc);
315 MSG_WriteString (&client->message,message);
317 MSG_WriteByte (&client->message, svc_serverinfo);
318 MSG_WriteLong (&client->message, sv.protocol);
319 MSG_WriteByte (&client->message, svs.maxclients);
321 if (!coop.integer && deathmatch.integer)
322 MSG_WriteByte (&client->message, GAME_DEATHMATCH);
324 MSG_WriteByte (&client->message, GAME_COOP);
326 MSG_WriteString (&client->message,PR_GetString(sv.edicts->v->message));
328 for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
329 MSG_WriteString (&client->message, sv.model_precache[i]);
330 MSG_WriteByte (&client->message, 0);
332 for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
333 MSG_WriteString (&client->message, sv.sound_precache[i]);
334 MSG_WriteByte (&client->message, 0);
337 MSG_WriteByte (&client->message, svc_cdtrack);
338 MSG_WriteByte (&client->message, sv.edicts->v->sounds);
339 MSG_WriteByte (&client->message, sv.edicts->v->sounds);
342 MSG_WriteByte (&client->message, svc_setview);
343 MSG_WriteShort (&client->message, NUM_FOR_EDICT(client->edict));
345 MSG_WriteByte (&client->message, svc_signonnum);
346 MSG_WriteByte (&client->message, 1);
348 client->sendsignon = true;
349 client->spawned = false; // need prespawn, spawn, etc
356 Initializes a client_t for a new net connection. This will only be called
357 once for a player each game, not once for each level change.
360 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
364 float spawn_parms[NUM_SPAWN_PARMS];
366 client = svs.clients + clientnum;
368 // set up the client_t
370 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
371 memset (client, 0, sizeof(*client));
372 client->active = true;
373 client->netconnection = netconnection;
375 Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
377 strcpy(client->name, "unconnected");
378 strcpy(client->old_name, "unconnected");
379 client->spawned = false;
380 client->edict = EDICT_NUM(clientnum+1);
381 client->message.data = client->msgbuf;
382 client->message.maxsize = sizeof(client->msgbuf);
383 client->message.allowoverflow = true; // we can catch it
384 // updated by receiving "rate" command from client
385 client->rate = NET_MINRATE;
386 // no limits for local player
387 if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
388 client->rate = 1000000000;
389 client->connecttime = realtime;
392 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
395 // call the progs to get default spawn parms for the new client
396 PR_ExecuteProgram (pr_global_struct->SetNewParms, "QC function SetNewParms is missing");
397 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
398 client->spawn_parms[i] = (&pr_global_struct->parm1)[i];
401 // don't call SendServerinfo for a fresh botclient because its fields have
402 // not been set up by the qc yet
403 if (client->netconnection)
404 SV_SendServerinfo (client);
406 client->spawned = true;
411 ===============================================================================
415 ===============================================================================
424 void SV_ClearDatagram (void)
426 SZ_Clear (&sv.datagram);
430 =============================================================================
432 The PVS must include a small area around the client to allow head bobbing
433 or other small motion on the client side. Otherwise, a bob might cause an
434 entity that should be visible to not show up, especially when the bob
437 =============================================================================
440 int sv_writeentitiestoclient_pvsbytes;
441 qbyte sv_writeentitiestoclient_pvs[MAX_MAP_LEAFS/8];
443 static int numsendentities;
444 static entity_state_t sendentities[MAX_EDICTS];
445 static entity_state_t *sendentitiesindex[MAX_EDICTS];
447 void SV_PrepareEntitiesForSending(void)
453 // send all entities that touch the pvs
455 sendentitiesindex[0] = NULL;
456 for (e = 1, ent = NEXT_EDICT(sv.edicts);e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
458 sendentitiesindex[e] = NULL;
465 VectorCopy(ent->v->origin, cs.origin);
466 VectorCopy(ent->v->angles, cs.angles);
468 cs.effects = (int)ent->v->effects;
469 cs.colormap = (qbyte)ent->v->colormap;
470 cs.skin = (qbyte)ent->v->skin;
471 cs.frame = (qbyte)ent->v->frame;
472 cs.viewmodelforclient = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)->edict;
473 cs.exteriormodelforclient = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)->edict;
474 cs.nodrawtoclient = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)->edict;
475 cs.drawonlytoclient = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)->edict;
476 cs.tagentity = GETEDICTFIELDVALUE(ent, eval_tag_entity)->edict;
477 cs.tagindex = (qbyte)GETEDICTFIELDVALUE(ent, eval_tag_index)->_float;
478 i = (int)(GETEDICTFIELDVALUE(ent, eval_glow_size)->_float * 0.25f);
479 cs.glowsize = (qbyte)bound(0, i, 255);
480 if (GETEDICTFIELDVALUE(ent, eval_glow_trail)->_float)
481 cs.flags |= RENDER_GLOWTRAIL;
484 i = (int)ent->v->modelindex;
485 if (i >= 1 && i < MAX_MODELS && *PR_GetString(ent->v->model))
489 f = (GETEDICTFIELDVALUE(ent, eval_alpha)->_float * 255.0f);
493 cs.alpha = (qbyte)bound(0, i, 255);
496 f = (GETEDICTFIELDVALUE(ent, eval_renderamt)->_float);
500 cs.alpha = (qbyte)bound(0, i, 255);
504 f = (GETEDICTFIELDVALUE(ent, eval_scale)->_float * 16.0f);
508 cs.scale = (qbyte)bound(0, i, 255);
512 f = (GETEDICTFIELDVALUE(ent, eval_glow_color)->_float);
514 cs.glowcolor = (int)f;
516 if (GETEDICTFIELDVALUE(ent, eval_fullbright)->_float)
517 cs.effects |= EF_FULLBRIGHT;
519 if (ent->v->movetype == MOVETYPE_STEP)
520 cs.flags |= RENDER_STEP;
521 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)
522 cs.flags |= RENDER_LOWPRECISION;
523 if (ent->v->colormap >= 1024)
524 cs.flags |= RENDER_COLORMAPPED;
525 if (cs.viewmodelforclient)
526 cs.flags |= RENDER_VIEWMODEL; // show relative to the view
528 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[0]*256;
529 cs.light[0] = (unsigned short)bound(0, f, 65535);
530 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[1]*256;
531 cs.light[1] = (unsigned short)bound(0, f, 65535);
532 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[2]*256;
533 cs.light[2] = (unsigned short)bound(0, f, 65535);
534 f = GETEDICTFIELDVALUE(ent, eval_light_lev)->_float;
535 cs.light[3] = (unsigned short)bound(0, f, 65535);
536 cs.lightstyle = (qbyte)GETEDICTFIELDVALUE(ent, eval_style)->_float;
537 cs.lightpflags = (qbyte)GETEDICTFIELDVALUE(ent, eval_pflags)->_float;
539 if (gamemode == GAME_TENEBRAE)
541 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
545 cs.lightpflags |= PFLAGS_FULLDYNAMIC;
547 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
555 cs.lightpflags |= PFLAGS_FULLDYNAMIC;
559 cs.specialvisibilityradius = 0;
560 if (cs.lightpflags & PFLAGS_FULLDYNAMIC)
561 cs.specialvisibilityradius = max(cs.specialvisibilityradius, cs.light[3]);
563 cs.specialvisibilityradius = max(cs.specialvisibilityradius, cs.glowsize * 4);
564 if (cs.flags & RENDER_GLOWTRAIL)
565 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
566 if (cs.effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
568 if (cs.effects & EF_BRIGHTFIELD)
569 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 80);
570 if (cs.effects & EF_MUZZLEFLASH)
571 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
572 if (cs.effects & EF_BRIGHTLIGHT)
573 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 400);
574 if (cs.effects & EF_DIMLIGHT)
575 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
576 if (cs.effects & EF_RED)
577 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
578 if (cs.effects & EF_BLUE)
579 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
580 if (cs.effects & EF_FLAME)
581 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 250);
582 if (cs.effects & EF_STARDUST)
583 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
586 if (numsendentities >= MAX_EDICTS)
588 // we can omit invisible entities with no effects that are not clients
589 // LordHavoc: this could kill tags attached to an invisible entity, I
590 // just hope we never have to support that case
591 if (cs.number > svs.maxclients && ((cs.effects & EF_NODRAW) || (!cs.modelindex && !cs.specialvisibilityradius)))
593 sendentitiesindex[e] = sendentities + numsendentities;
594 sendentities[numsendentities++] = cs;
598 static int sententitiesmark = 0;
599 static int sententities[MAX_EDICTS];
600 static int sententitiesconsideration[MAX_EDICTS];
601 static int sv_writeentitiestoclient_culled_pvs;
602 static int sv_writeentitiestoclient_culled_trace;
603 static int sv_writeentitiestoclient_visibleentities;
604 static int sv_writeentitiestoclient_totalentities;
605 //static entity_frame_t sv_writeentitiestoclient_entityframe;
606 static int sv_writeentitiestoclient_clentnum;
607 static vec3_t sv_writeentitiestoclient_testeye;
608 static client_t *sv_writeentitiestoclient_client;
610 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
613 vec3_t entmins, entmaxs, lightmins, lightmaxs, testorigin;
616 if (sententitiesconsideration[s->number] == sententitiesmark)
618 sententitiesconsideration[s->number] = sententitiesmark;
619 // viewmodels don't have visibility checking
620 if (s->viewmodelforclient)
622 if (s->viewmodelforclient != sv_writeentitiestoclient_clentnum)
625 // never reject player
626 else if (s->number != sv_writeentitiestoclient_clentnum)
628 // check various rejection conditions
629 if (s->nodrawtoclient == sv_writeentitiestoclient_clentnum)
631 if (s->drawonlytoclient && s->drawonlytoclient != sv_writeentitiestoclient_clentnum)
633 if (s->effects & EF_NODRAW)
635 // LordHavoc: only send entities with a model or important effects
636 if (!s->modelindex && s->specialvisibilityradius == 0)
640 // tag attached entities simply check their parent
641 if (!sendentitiesindex[s->tagentity])
643 SV_MarkWriteEntityStateToClient(sendentitiesindex[s->tagentity]);
644 if (sententities[s->tagentity] != sententitiesmark)
647 // skip invalid modelindexes to avoid crashes
648 else if (s->modelindex >= MAX_MODELS)
650 // always send world submodels, they don't generate much traffic
651 // except in PROTOCOL_QUAKE where they hog bandwidth like crazy
652 else if (!(s->effects & EF_NODEPTHTEST) && (!(isbmodel = (model = sv.models[s->modelindex]) != NULL && model->name[0] == '*') || sv.protocol == PROTOCOL_QUAKE))
654 Mod_CheckLoaded(model);
655 // entity has survived every check so far, check if visible
656 // enlarged box to account for prediction (not that there is
657 // any currently, but still helps the 'run into a room and
658 // watch items pop up' problem)
659 entmins[0] = s->origin[0] - 32.0f;
660 entmins[1] = s->origin[1] - 32.0f;
661 entmins[2] = s->origin[2] - 32.0f;
662 entmaxs[0] = s->origin[0] + 32.0f;
663 entmaxs[1] = s->origin[1] + 32.0f;
664 entmaxs[2] = s->origin[2] + 32.0f;
665 // using the model's bounding box to ensure things are visible regardless of their physics box
668 if (s->angles[0] || s->angles[2]) // pitch and roll
670 VectorAdd(entmins, model->rotatedmins, entmins);
671 VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
673 else if (s->angles[1])
675 VectorAdd(entmins, model->yawmins, entmins);
676 VectorAdd(entmaxs, model->yawmaxs, entmaxs);
680 VectorAdd(entmins, model->normalmins, entmins);
681 VectorAdd(entmaxs, model->normalmaxs, entmaxs);
684 lightmins[0] = min(entmins[0], s->origin[0] - s->specialvisibilityradius);
685 lightmins[1] = min(entmins[1], s->origin[1] - s->specialvisibilityradius);
686 lightmins[2] = min(entmins[2], s->origin[2] - s->specialvisibilityradius);
687 lightmaxs[0] = max(entmaxs[0], s->origin[0] + s->specialvisibilityradius);
688 lightmaxs[1] = max(entmaxs[1], s->origin[1] + s->specialvisibilityradius);
689 lightmaxs[2] = max(entmaxs[2], s->origin[2] + s->specialvisibilityradius);
690 sv_writeentitiestoclient_totalentities++;
691 // if not touching a visible leaf
692 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))
694 sv_writeentitiestoclient_culled_pvs++;
697 // or not seen by random tracelines
698 if (sv_cullentities_trace.integer && !isbmodel)
700 // LordHavoc: test center first
701 testorigin[0] = (entmins[0] + entmaxs[0]) * 0.5f;
702 testorigin[1] = (entmins[1] + entmaxs[1]) * 0.5f;
703 testorigin[2] = (entmins[2] + entmaxs[2]) * 0.5f;
704 sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
705 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
706 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
709 // LordHavoc: test random offsets, to maximize chance of detection
710 testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
711 testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
712 testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
713 sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
714 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
715 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
718 if (s->specialvisibilityradius)
720 // LordHavoc: test random offsets, to maximize chance of detection
721 testorigin[0] = lhrandom(lightmins[0], lightmaxs[0]);
722 testorigin[1] = lhrandom(lightmins[1], lightmaxs[1]);
723 testorigin[2] = lhrandom(lightmins[2], lightmaxs[2]);
724 sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
725 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
726 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
730 if (realtime > sv_writeentitiestoclient_client->visibletime[s->number])
732 sv_writeentitiestoclient_culled_trace++;
736 sv_writeentitiestoclient_visibleentities++;
739 // this just marks it for sending
740 // FIXME: it would be more efficient to send here, but the entity
741 // compressor isn't that flexible
742 sententities[s->number] = sententitiesmark;
745 entity_state_t sendstates[MAX_EDICTS];
747 void SV_WriteEntitiesToClient(client_t *client, edict_t *clent, sizebuf_t *msg, int *stats)
749 int i, numsendstates;
752 // if there isn't enough space to accomplish anything, skip it
753 if (msg->cursize + 25 > msg->maxsize)
756 sv_writeentitiestoclient_client = client;
758 sv_writeentitiestoclient_culled_pvs = 0;
759 sv_writeentitiestoclient_culled_trace = 0;
760 sv_writeentitiestoclient_visibleentities = 0;
761 sv_writeentitiestoclient_totalentities = 0;
763 Mod_CheckLoaded(sv.worldmodel);
765 // find the client's PVS
766 // the real place being tested from
767 VectorAdd(clent->v->origin, clent->v->view_ofs, sv_writeentitiestoclient_testeye);
768 sv_writeentitiestoclient_pvsbytes = 0;
769 if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
770 sv_writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv_writeentitiestoclient_testeye, 8, sv_writeentitiestoclient_pvs, sizeof(sv_writeentitiestoclient_pvs));
772 sv_writeentitiestoclient_clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
776 for (i = 0;i < numsendentities;i++)
777 SV_MarkWriteEntityStateToClient(sendentities + i);
780 for (i = 0;i < numsendentities;i++)
782 if (sententities[sendentities[i].number] == sententitiesmark)
784 s = &sendstates[numsendstates++];
785 *s = sendentities[i];
786 if (s->exteriormodelforclient && s->exteriormodelforclient == sv_writeentitiestoclient_clentnum)
787 s->flags |= RENDER_EXTERIORMODEL;
791 if (sv_cullentities_stats.integer)
792 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);
794 if (client->entitydatabase5)
795 EntityFrame5_WriteFrame(msg, client->entitydatabase5, numsendstates, sendstates, client - svs.clients + 1, stats);
796 else if (client->entitydatabase4)
797 EntityFrame4_WriteFrame(msg, client->entitydatabase4, numsendstates, sendstates);
798 else if (client->entitydatabase)
799 EntityFrame_WriteFrame(msg, client->entitydatabase, numsendstates, sendstates, client - svs.clients + 1);
801 EntityFrameQuake_WriteFrame(msg, numsendstates, sendstates);
810 void SV_CleanupEnts (void)
815 ent = NEXT_EDICT(sv.edicts);
816 for (e=1 ; e<sv.num_edicts ; e++, ent = NEXT_EDICT(ent))
817 ent->v->effects = (int)ent->v->effects & ~EF_MUZZLEFLASH;
822 SV_WriteClientdataToMessage
826 void SV_WriteClientdataToMessage (client_t *client, edict_t *ent, sizebuf_t *msg, int *stats)
835 int weaponmodelindex;
838 // send a damage message
840 if (ent->v->dmg_take || ent->v->dmg_save)
842 other = PROG_TO_EDICT(ent->v->dmg_inflictor);
843 MSG_WriteByte (msg, svc_damage);
844 MSG_WriteByte (msg, ent->v->dmg_save);
845 MSG_WriteByte (msg, ent->v->dmg_take);
846 for (i=0 ; i<3 ; i++)
847 MSG_WriteCoord (msg, other->v->origin[i] + 0.5*(other->v->mins[i] + other->v->maxs[i]), sv.protocol);
849 ent->v->dmg_take = 0;
850 ent->v->dmg_save = 0;
854 // send the current viewpos offset from the view entity
856 SV_SetIdealPitch (); // how much to look up / down ideally
858 // a fixangle might get lost in a dropped packet. Oh well.
859 if ( ent->v->fixangle )
861 MSG_WriteByte (msg, svc_setangle);
862 for (i=0 ; i < 3 ; i++)
863 MSG_WriteAngle (msg, ent->v->angles[i], sv.protocol);
864 ent->v->fixangle = 0;
867 // stuff the sigil bits into the high bits of items for sbar, or else
869 val = GETEDICTFIELDVALUE(ent, eval_items2);
871 items = (int)ent->v->items | ((int)val->_float << 23);
873 items = (int)ent->v->items | ((int)pr_global_struct->serverflags << 28);
875 VectorClear(punchvector);
876 if ((val = GETEDICTFIELDVALUE(ent, eval_punchvector)))
877 VectorCopy(val->vector, punchvector);
879 weaponmodelindex = SV_ModelIndex(PR_GetString(ent->v->weaponmodel), 1);
882 if ((val = GETEDICTFIELDVALUE(ent, eval_viewzoom)))
883 viewzoom = val->_float * 255.0f;
889 if ((int)ent->v->flags & FL_ONGROUND)
891 if (ent->v->waterlevel >= 2)
893 if (ent->v->idealpitch)
894 bits |= SU_IDEALPITCH;
896 for (i=0 ; i<3 ; i++)
898 if (ent->v->punchangle[i])
899 bits |= (SU_PUNCH1<<i);
900 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
902 bits |= (SU_PUNCHVEC1<<i);
903 if (ent->v->velocity[i])
904 bits |= (SU_VELOCITY1<<i);
907 memset(stats, 0, sizeof(int[MAX_CL_STATS]));
908 stats[STAT_VIEWHEIGHT] = ent->v->view_ofs[2];
909 stats[STAT_ITEMS] = items;
910 stats[STAT_WEAPONFRAME] = ent->v->weaponframe;
911 stats[STAT_ARMOR] = ent->v->armorvalue;
912 stats[STAT_WEAPON] = weaponmodelindex;
913 stats[STAT_HEALTH] = ent->v->health;
914 stats[STAT_AMMO] = ent->v->currentammo;
915 stats[STAT_SHELLS] = ent->v->ammo_shells;
916 stats[STAT_NAILS] = ent->v->ammo_nails;
917 stats[STAT_ROCKETS] = ent->v->ammo_rockets;
918 stats[STAT_CELLS] = ent->v->ammo_cells;
919 stats[STAT_ACTIVEWEAPON] = ent->v->weapon;
920 stats[STAT_VIEWZOOM] = viewzoom;
921 // the QC bumps these itself by sending svc_'s, so we have to keep them
922 // zero or they'll be corrected by the engine
923 //stats[STAT_TOTALSECRETS] = pr_global_struct->total_secrets;
924 //stats[STAT_TOTALMONSTERS] = pr_global_struct->total_monsters;
925 //stats[STAT_SECRETS] = pr_global_struct->found_secrets;
926 //stats[STAT_MONSTERS] = pr_global_struct->killed_monsters;
928 if (sv.protocol != PROTOCOL_DARKPLACES6)
930 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
932 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
933 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
935 // FIXME: which protocols support this? does PROTOCOL_DARKPLACES3 support viewzoom?
936 if (sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
943 if (bits >= 16777216)
947 MSG_WriteByte (msg, svc_clientdata);
948 MSG_WriteShort (msg, bits);
949 if (bits & SU_EXTEND1)
950 MSG_WriteByte(msg, bits >> 16);
951 if (bits & SU_EXTEND2)
952 MSG_WriteByte(msg, bits >> 24);
954 if (bits & SU_VIEWHEIGHT)
955 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
957 if (bits & SU_IDEALPITCH)
958 MSG_WriteChar (msg, ent->v->idealpitch);
960 for (i=0 ; i<3 ; i++)
962 if (bits & (SU_PUNCH1<<i))
964 if (sv.protocol == PROTOCOL_QUAKE)
965 MSG_WriteChar(msg, ent->v->punchangle[i]);
966 else if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
967 MSG_WriteAngle16i(msg, ent->v->punchangle[i]);
969 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
971 if (bits & (SU_PUNCHVEC1<<i))
973 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
974 MSG_WriteCoord16i(msg, punchvector[i]);
975 else if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
976 MSG_WriteCoord32f(msg, punchvector[i]);
979 if (bits & (SU_VELOCITY1<<i))
981 if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
982 MSG_WriteChar(msg, ent->v->velocity[i] * (1.0f / 16.0f));
983 else if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
984 MSG_WriteCoord32f(msg, ent->v->velocity[i]);
989 MSG_WriteLong (msg, stats[STAT_ITEMS]);
991 if (sv.protocol == PROTOCOL_DARKPLACES5)
993 if (bits & SU_WEAPONFRAME)
994 MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
996 MSG_WriteShort (msg, stats[STAT_ARMOR]);
997 if (bits & SU_WEAPON)
998 MSG_WriteShort (msg, stats[STAT_WEAPON]);
999 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1000 MSG_WriteShort (msg, stats[STAT_AMMO]);
1001 MSG_WriteShort (msg, stats[STAT_SHELLS]);
1002 MSG_WriteShort (msg, stats[STAT_NAILS]);
1003 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
1004 MSG_WriteShort (msg, stats[STAT_CELLS]);
1005 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
1006 if (bits & SU_VIEWZOOM)
1007 MSG_WriteShort (msg, min(stats[STAT_VIEWZOOM], 65535));
1009 else if (sv.protocol != PROTOCOL_DARKPLACES6)
1011 if (bits & SU_WEAPONFRAME)
1012 MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
1013 if (bits & SU_ARMOR)
1014 MSG_WriteByte (msg, stats[STAT_ARMOR]);
1015 if (bits & SU_WEAPON)
1016 MSG_WriteByte (msg, stats[STAT_WEAPON]);
1017 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1018 MSG_WriteByte (msg, stats[STAT_AMMO]);
1019 MSG_WriteByte (msg, stats[STAT_SHELLS]);
1020 MSG_WriteByte (msg, stats[STAT_NAILS]);
1021 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
1022 MSG_WriteByte (msg, stats[STAT_CELLS]);
1023 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1025 for (i = 0;i < 32;i++)
1026 if (stats[STAT_WEAPON] & (1<<i))
1028 MSG_WriteByte (msg, i);
1031 MSG_WriteByte (msg, stats[STAT_WEAPON]);
1032 if (bits & SU_VIEWZOOM)
1034 if (sv.protocol == PROTOCOL_DARKPLACES4)
1035 MSG_WriteByte (msg, min(stats[STAT_VIEWZOOM], 255));
1036 else if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
1037 MSG_WriteShort (msg, min(stats[STAT_VIEWZOOM], 65535));
1043 =======================
1044 SV_SendClientDatagram
1045 =======================
1047 static qbyte sv_sendclientdatagram_buf[NET_MAXMESSAGE]; // FIXME?
1048 qboolean SV_SendClientDatagram (client_t *client)
1050 int rate, maxrate, maxsize, maxsize2;
1052 int stats[MAX_CL_STATS];
1054 if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
1056 // for good singleplayer, send huge packets
1057 maxsize = sizeof(sv_sendclientdatagram_buf);
1058 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1060 else if (sv.protocol == PROTOCOL_DARKPLACES5 || sv.protocol == PROTOCOL_DARKPLACES6)
1062 // PROTOCOL_DARKPLACES5 supports packet size limiting of updates
1063 maxrate = bound(NET_MINRATE, sv_maxrate.integer, NET_MAXRATE);
1064 if (sv_maxrate.integer != maxrate)
1065 Cvar_SetValueQuick(&sv_maxrate, maxrate);
1067 rate = bound(NET_MINRATE, client->rate, maxrate);
1068 rate = (int)(client->rate * sys_ticrate.value);
1069 maxsize = bound(100, rate, 1400);
1074 // no rate limiting support on older protocols because dp protocols
1075 // 1-4 kick the client off if they overflow, and quake protocol shows
1076 // less than the full entity set if rate limited
1081 msg.data = sv_sendclientdatagram_buf;
1082 msg.maxsize = maxsize;
1085 MSG_WriteByte (&msg, svc_time);
1086 MSG_WriteFloat (&msg, sv.time);
1088 // add the client specific data to the datagram
1089 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
1090 SV_WriteEntitiesToClient (client, client->edict, &msg, stats);
1092 // expand packet size to allow effects to go over the rate limit
1093 // (dropping them is FAR too ugly)
1094 msg.maxsize = maxsize2;
1096 // copy the server datagram if there is space
1097 // FIXME: put in delayed queue of effects to send
1098 if (sv.datagram.cursize > 0 && msg.cursize + sv.datagram.cursize <= msg.maxsize)
1099 SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
1101 // send the datagram
1102 if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1104 SV_DropClient (true);// if the message couldn't send, kick off
1112 =======================
1113 SV_UpdateToReliableMessages
1114 =======================
1116 void SV_UpdateToReliableMessages (void)
1123 // check for changes to be sent over the reliable streams
1124 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1126 // update the host_client fields we care about according to the entity fields
1127 host_client->edict = EDICT_NUM(i+1);
1130 name = PR_GetString(host_client->edict->v->netname);
1133 // always point the string back at host_client->name to keep it safe
1134 strlcpy (host_client->name, name, sizeof (host_client->name));
1135 host_client->edict->v->netname = PR_SetString(host_client->name);
1136 if (strcmp(host_client->old_name, host_client->name))
1138 if (host_client->spawned)
1139 SV_BroadcastPrintf("%s changed name to %s\n", host_client->old_name, host_client->name);
1140 strcpy(host_client->old_name, host_client->name);
1141 // send notification to all clients
1142 MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
1143 MSG_WriteByte (&sv.reliable_datagram, i);
1144 MSG_WriteString (&sv.reliable_datagram, host_client->name);
1147 // DP_SV_CLIENTCOLORS
1148 // this is always found (since it's added by the progs loader)
1149 if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_clientcolors)))
1150 host_client->colors = (int)val->_float;
1151 if (host_client->old_colors != host_client->colors)
1153 host_client->old_colors = host_client->colors;
1154 // send notification to all clients
1155 MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
1156 MSG_WriteByte (&sv.reliable_datagram, i);
1157 MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
1161 host_client->frags = (int)host_client->edict->v->frags;
1162 if (host_client->old_frags != host_client->frags)
1164 host_client->old_frags = host_client->frags;
1165 // send notification to all clients
1166 MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
1167 MSG_WriteByte (&sv.reliable_datagram, i);
1168 MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
1172 for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
1173 if (client->netconnection)
1174 SZ_Write (&client->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
1176 SZ_Clear (&sv.reliable_datagram);
1181 =======================
1184 Send a nop message without trashing or sending the accumulated client
1186 =======================
1188 void SV_SendNop (client_t *client)
1194 msg.maxsize = sizeof(buf);
1197 MSG_WriteChar (&msg, svc_nop);
1199 if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1200 SV_DropClient (true); // if the message couldn't send, kick off
1201 client->last_message = realtime;
1205 =======================
1206 SV_SendClientMessages
1207 =======================
1209 void SV_SendClientMessages (void)
1211 int i, prepared = false;
1213 // update frags, names, etc
1214 SV_UpdateToReliableMessages();
1216 // build individual updates
1217 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1219 if (!host_client->active)
1221 if (!host_client->netconnection)
1223 SZ_Clear(&host_client->message);
1227 if (host_client->deadsocket || host_client->message.overflowed)
1229 SV_DropClient (true); // if the message couldn't send, kick off
1233 if (host_client->spawned)
1238 // only prepare entities once per frame
1239 SV_PrepareEntitiesForSending();
1241 if (!SV_SendClientDatagram (host_client))
1246 // the player isn't totally in the game yet
1247 // send small keepalive messages if too much time has passed
1248 // send a full message when the next signon stage has been requested
1249 // some other message data (name changes, etc) may accumulate
1250 // between signon stages
1251 if (!host_client->sendsignon)
1253 if (realtime - host_client->last_message > 5)
1254 SV_SendNop (host_client);
1255 continue; // don't send out non-signon messages
1259 if (host_client->message.cursize || host_client->dropasap)
1261 if (!NetConn_CanSendMessage (host_client->netconnection))
1264 if (host_client->dropasap)
1265 SV_DropClient (false); // went to another level
1268 if (NetConn_SendReliableMessage (host_client->netconnection, &host_client->message) == -1)
1269 SV_DropClient (true); // if the message couldn't send, kick off
1270 SZ_Clear (&host_client->message);
1271 host_client->last_message = realtime;
1272 host_client->sendsignon = false;
1277 // clear muzzle flashes
1283 ==============================================================================
1287 ==============================================================================
1296 int SV_ModelIndex(char *s, int precachemode)
1298 int i, limit = (sv.protocol == PROTOCOL_QUAKE ? 256 : MAX_MODELS);
1299 char filename[MAX_QPATH];
1303 //if (precachemode == 2)
1305 strlcpy(filename, s, sizeof(filename));
1306 for (i = 2;i < limit;i++)
1308 if (!sv.model_precache[i][0])
1312 if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1314 // not able to precache during game
1315 if (precachemode == 2 && sv.state != ss_loading)
1317 Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
1323 // able to precache during game
1324 if (precachemode == 1)
1325 Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
1326 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
1327 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, false);
1328 if (sv.state != ss_loading)
1330 MSG_WriteByte(&sv.reliable_datagram, svc_precache);
1331 MSG_WriteShort(&sv.reliable_datagram, i);
1332 MSG_WriteString(&sv.reliable_datagram, filename);
1337 Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
1340 if (!strcmp(sv.model_precache[i], filename))
1344 Con_Printf("SV_ModelIndex(\"%s\"): i == MAX_MODELS\n", filename);
1346 Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
1356 int SV_SoundIndex(char *s, int precachemode)
1358 int i, limit = (sv.protocol == PROTOCOL_QUAKE ? 256 : MAX_SOUNDS);
1359 char filename[MAX_QPATH];
1362 strlcpy(filename, s, sizeof(filename));
1363 for (i = 1;i < limit;i++)
1365 if (!sv.sound_precache[i][0])
1367 if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1369 // not able to precache during game
1370 if (precachemode == 2 && sv.state != ss_loading)
1372 Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
1378 // able to precache during game
1381 if (precachemode == 1)
1382 Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
1383 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
1384 MSG_WriteByte(&sv.reliable_datagram, svc_precache);
1385 MSG_WriteShort(&sv.reliable_datagram, i + 32768);
1386 MSG_WriteString(&sv.reliable_datagram, filename);
1390 Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
1393 if (!strcmp(sv.sound_precache[i], filename))
1397 Con_Printf("SV_SoundIndex(\"%s\"): i == MAX_SOUNDS\n", filename);
1399 Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
1409 void SV_CreateBaseline (void)
1411 int i, entnum, large;
1414 // LordHavoc: clear *all* states (note just active ones)
1415 for (entnum = 0;entnum < sv.max_edicts;entnum++)
1417 // get the current server version
1418 svent = EDICT_NUM(entnum);
1420 // LordHavoc: always clear state values, whether the entity is in use or not
1421 svent->e->baseline = defaultstate;
1425 if (entnum > svs.maxclients && !svent->v->modelindex)
1428 // create entity baseline
1429 VectorCopy (svent->v->origin, svent->e->baseline.origin);
1430 VectorCopy (svent->v->angles, svent->e->baseline.angles);
1431 svent->e->baseline.frame = svent->v->frame;
1432 svent->e->baseline.skin = svent->v->skin;
1433 if (entnum > 0 && entnum <= svs.maxclients)
1435 svent->e->baseline.colormap = entnum;
1436 svent->e->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
1440 svent->e->baseline.colormap = 0;
1441 svent->e->baseline.modelindex = svent->v->modelindex;
1445 if (svent->e->baseline.modelindex & 0xFF00 || svent->e->baseline.frame & 0xFF00)
1448 // add to the message
1450 MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1452 MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1453 MSG_WriteShort (&sv.signon, entnum);
1457 MSG_WriteShort (&sv.signon, svent->e->baseline.modelindex);
1458 MSG_WriteShort (&sv.signon, svent->e->baseline.frame);
1462 MSG_WriteByte (&sv.signon, svent->e->baseline.modelindex);
1463 MSG_WriteByte (&sv.signon, svent->e->baseline.frame);
1465 MSG_WriteByte (&sv.signon, svent->e->baseline.colormap);
1466 MSG_WriteByte (&sv.signon, svent->e->baseline.skin);
1467 for (i=0 ; i<3 ; i++)
1469 MSG_WriteCoord(&sv.signon, svent->e->baseline.origin[i], sv.protocol);
1470 MSG_WriteAngle(&sv.signon, svent->e->baseline.angles[i], sv.protocol);
1480 Tell all the clients that the server is changing levels
1483 void SV_SendReconnect (void)
1490 msg.maxsize = sizeof(data);
1492 MSG_WriteChar (&msg, svc_stufftext);
1493 MSG_WriteString (&msg, "reconnect\n");
1494 NetConn_SendToAll (&msg, 5);
1496 if (cls.state != ca_dedicated)
1497 Cmd_ExecuteString ("reconnect\n", src_command);
1505 Grabs the current state of each client for saving across the
1506 transition to another level
1509 void SV_SaveSpawnparms (void)
1513 svs.serverflags = pr_global_struct->serverflags;
1515 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1517 if (!host_client->active)
1520 // call the progs to get default spawn parms for the new client
1521 pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
1522 PR_ExecuteProgram (pr_global_struct->SetChangeParms, "QC function SetChangeParms is missing");
1523 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1524 host_client->spawn_parms[j] = (&pr_global_struct->parm1)[j];
1528 void SV_IncreaseEdicts(void)
1532 int oldmax_edicts = sv.max_edicts;
1533 void *oldedictsengineprivate = sv.edictsengineprivate;
1534 void *oldedictsfields = sv.edictsfields;
1535 void *oldmoved_edicts = sv.moved_edicts;
1537 if (sv.max_edicts >= MAX_EDICTS)
1540 // links don't survive the transition, so unlink everything
1541 for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1544 SV_UnlinkEdict(sv.edicts + i);
1545 memset(&ent->e->areagrid, 0, sizeof(ent->e->areagrid));
1549 sv.max_edicts = min(sv.max_edicts + 256, MAX_EDICTS);
1550 sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1551 sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1552 sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1554 memcpy(sv.edictsengineprivate, oldedictsengineprivate, oldmax_edicts * sizeof(edict_engineprivate_t));
1555 memcpy(sv.edictsfields, oldedictsfields, oldmax_edicts * pr_edict_size);
1557 for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1559 ent->e = sv.edictsengineprivate + i;
1560 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1561 // link every entity except world
1563 SV_LinkEdict(ent, false);
1566 Mem_Free(oldedictsengineprivate);
1567 Mem_Free(oldedictsfields);
1568 Mem_Free(oldmoved_edicts);
1575 This is called at the start of each level
1578 extern float scr_centertime_off;
1580 void SV_SpawnServer (const char *server)
1585 model_t *worldmodel;
1586 char modelname[sizeof(sv.modelname)];
1588 Con_DPrintf("SpawnServer: %s\n", server);
1590 snprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
1591 worldmodel = Mod_ForName(modelname, false, true, true);
1592 if (!worldmodel || !worldmodel->TraceBox)
1594 Con_Printf("Couldn't load map %s\n", modelname);
1598 // let's not have any servers with no name
1599 if (hostname.string[0] == 0)
1600 Cvar_Set ("hostname", "UNNAMED");
1601 scr_centertime_off = 0;
1603 svs.changelevel_issued = false; // now safe to issue another
1606 // tell all connected clients that we are going to a new level
1612 // make sure cvars have been checked before opening the ports
1613 NetConn_ServerFrame();
1614 NetConn_OpenServerPorts(true);
1618 // make cvars consistant
1621 Cvar_SetValue ("deathmatch", 0);
1622 current_skill = bound(0, (int)(skill.value + 0.5), 3);
1624 Cvar_SetValue ("skill", (float)current_skill);
1627 // set up the new server
1629 Host_ClearMemory ();
1631 memset (&sv, 0, sizeof(sv));
1633 strlcpy (sv.name, server, sizeof (sv.name));
1635 sv.netquakecompatible = false;
1636 if (!strcasecmp(sv_protocolname.string, "QUAKE"))
1638 sv.protocol = PROTOCOL_QUAKE;
1639 sv.netquakecompatible = true;
1641 else if (!strcasecmp(sv_protocolname.string, "QUAKEDP"))
1642 sv.protocol = PROTOCOL_QUAKE;
1643 else if (!strcasecmp(sv_protocolname.string, "DARKPLACES1"))
1644 sv.protocol = PROTOCOL_DARKPLACES1;
1645 else if (!strcasecmp(sv_protocolname.string, "DARKPLACES2"))
1646 sv.protocol = PROTOCOL_DARKPLACES2;
1647 else if (!strcasecmp(sv_protocolname.string, "DARKPLACES3"))
1648 sv.protocol = PROTOCOL_DARKPLACES3;
1649 else if (!strcasecmp(sv_protocolname.string, "DARKPLACES4"))
1650 sv.protocol = PROTOCOL_DARKPLACES4;
1651 else if (!strcasecmp(sv_protocolname.string, "DARKPLACES5"))
1652 sv.protocol = PROTOCOL_DARKPLACES5;
1653 else if (!strcasecmp(sv_protocolname.string, "DARKPLACES6"))
1654 sv.protocol = PROTOCOL_DARKPLACES6;
1657 sv.protocol = PROTOCOL_DARKPLACES6;
1658 Con_Printf("Unknown sv_protocolname \"%s\", valid values are QUAKE, QUAKEDP, DARKPLACES1, DARKPLACES2, DARKPLACES3, DARKPLACES4, DARKPLACES5, DARKPLACES6, falling back to DARKPLACES6 protocol\n", sv_protocolname.string);
1661 // load progs to get entity field count
1664 // allocate server memory
1665 // start out with just enough room for clients and a reasonable estimate of entities
1666 sv.max_edicts = max(svs.maxclients + 1, 512);
1667 sv.max_edicts = min(sv.max_edicts, MAX_EDICTS);
1669 // clear the edict memory pool
1670 Mem_EmptyPool(sv_edicts_mempool);
1671 // edict_t structures (hidden from progs)
1672 sv.edicts = Mem_Alloc(sv_edicts_mempool, MAX_EDICTS * sizeof(edict_t));
1673 // engine private structures (hidden from progs)
1674 sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1675 // progs fields, often accessed by server
1676 sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1677 // used by PushMove to move back pushed entities
1678 sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1679 for (i = 0;i < sv.max_edicts;i++)
1681 ent = sv.edicts + i;
1682 ent->e = sv.edictsengineprivate + i;
1683 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1686 // fix up client->edict pointers for returning clients right away...
1687 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1688 host_client->edict = EDICT_NUM(i + 1);
1690 sv.datagram.maxsize = sizeof(sv.datagram_buf);
1691 sv.datagram.cursize = 0;
1692 sv.datagram.data = sv.datagram_buf;
1694 sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1695 sv.reliable_datagram.cursize = 0;
1696 sv.reliable_datagram.data = sv.reliable_datagram_buf;
1698 sv.signon.maxsize = sizeof(sv.signon_buf);
1699 sv.signon.cursize = 0;
1700 sv.signon.data = sv.signon_buf;
1702 // leave slots at start for clients only
1703 sv.num_edicts = svs.maxclients+1;
1705 sv.state = ss_loading;
1711 worldmodel->used = true;
1713 strlcpy (sv.name, server, sizeof (sv.name));
1714 strcpy(sv.modelname, modelname);
1715 sv.worldmodel = worldmodel;
1716 sv.models[1] = sv.worldmodel;
1719 // clear world interaction links
1723 strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
1725 strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
1726 strlcpy(sv.model_precache[1], sv.modelname, sizeof(sv.model_precache[1]));
1727 for (i = 1;i < sv.worldmodel->brush.numsubmodels;i++)
1729 snprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
1730 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, false);
1734 // load the rest of the entities
1737 memset (ent->v, 0, progs->entityfields * 4);
1738 ent->e->free = false;
1739 ent->v->model = PR_SetString(sv.modelname);
1740 ent->v->modelindex = 1; // world model
1741 ent->v->solid = SOLID_BSP;
1742 ent->v->movetype = MOVETYPE_PUSH;
1745 pr_global_struct->coop = coop.integer;
1747 pr_global_struct->deathmatch = deathmatch.integer;
1749 pr_global_struct->mapname = PR_SetString(sv.name);
1751 // serverflags are for cross level information (sigils)
1752 pr_global_struct->serverflags = svs.serverflags;
1754 // load replacement entity file if found
1756 if (sv_entpatch.integer)
1757 entities = FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true);
1760 Con_Printf("Loaded maps/%s.ent\n", sv.name);
1761 ED_LoadFromFile (entities);
1765 ED_LoadFromFile (sv.worldmodel->brush.entities);
1768 // LordHavoc: clear world angles (to fix e3m3.bsp)
1769 VectorClear(sv.edicts->v->angles);
1773 // all setup is completed, any further precache statements are errors
1774 sv.state = ss_active;
1776 // run two frames to allow everything to settle
1777 for (i = 0;i < 2;i++)
1779 sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
1785 // create a baseline for more efficient communications
1786 if (sv.protocol == PROTOCOL_QUAKE)
1787 SV_CreateBaseline ();
1789 // send serverinfo to all connected clients
1790 // (note this also handles botclients coming back from a level change)
1791 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1792 if (host_client->active)
1793 SV_SendServerinfo(host_client);
1795 Con_DPrint("Server spawned.\n");
1796 NetConn_Heartbeat (2);