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_DARKPLACES5 for example, minus the PROTOCOL_ prefix
26 cvar_t sv_protocolname = {0, "sv_protocolname", "DARKPLACES5"};
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"};
46 static char localmodels[MAX_MODELS][5]; // inline model names for precache
48 mempool_t *sv_edicts_mempool = NULL;
50 //============================================================================
52 extern void SV_Phys_Init (void);
53 extern void SV_World_Init (void);
54 static void SV_SaveEntFile_f(void);
65 Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f);
66 Cvar_RegisterVariable (&sv_maxvelocity);
67 Cvar_RegisterVariable (&sv_gravity);
68 Cvar_RegisterVariable (&sv_friction);
69 Cvar_RegisterVariable (&sv_edgefriction);
70 Cvar_RegisterVariable (&sv_stopspeed);
71 Cvar_RegisterVariable (&sv_maxspeed);
72 Cvar_RegisterVariable (&sv_accelerate);
73 Cvar_RegisterVariable (&sv_idealpitchscale);
74 Cvar_RegisterVariable (&sv_aim);
75 Cvar_RegisterVariable (&sv_nostep);
76 Cvar_RegisterVariable (&sv_deltacompress);
77 Cvar_RegisterVariable (&sv_cullentities_pvs);
78 Cvar_RegisterVariable (&sv_cullentities_trace);
79 Cvar_RegisterVariable (&sv_cullentities_stats);
80 Cvar_RegisterVariable (&sv_entpatch);
81 Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
82 Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
83 Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
84 Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
85 Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
86 Cvar_RegisterVariable (&sv_protocolname);
87 Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
88 Cvar_RegisterVariable (&sv_maxrate);
93 for (i = 0;i < MAX_MODELS;i++)
94 sprintf (localmodels[i], "*%i", i);
96 sv_edicts_mempool = Mem_AllocPool("server edicts", 0, NULL);
99 static void SV_SaveEntFile_f(void)
101 char basename[MAX_QPATH];
102 if (!sv.active || !sv.worldmodel)
104 Con_Print("Not running a server\n");
107 FS_StripExtension(sv.worldmodel->name, basename, sizeof(basename));
108 FS_WriteFile(va("%s.ent", basename), sv.worldmodel->brush.entities, strlen(sv.worldmodel->brush.entities));
112 =============================================================================
116 =============================================================================
123 Make sure the event gets sent to all clients
126 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
130 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
132 MSG_WriteByte (&sv.datagram, svc_particle);
133 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
134 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
135 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
136 for (i=0 ; i<3 ; i++)
143 MSG_WriteChar (&sv.datagram, v);
145 MSG_WriteByte (&sv.datagram, count);
146 MSG_WriteByte (&sv.datagram, color);
153 Make sure the event gets sent to all clients
156 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
158 if (modelindex >= 256 || startframe >= 256)
160 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
162 MSG_WriteByte (&sv.datagram, svc_effect2);
163 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
164 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
165 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
166 MSG_WriteShort (&sv.datagram, modelindex);
167 MSG_WriteShort (&sv.datagram, startframe);
168 MSG_WriteByte (&sv.datagram, framecount);
169 MSG_WriteByte (&sv.datagram, framerate);
173 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
175 MSG_WriteByte (&sv.datagram, svc_effect);
176 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
177 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
178 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
179 MSG_WriteByte (&sv.datagram, modelindex);
180 MSG_WriteByte (&sv.datagram, startframe);
181 MSG_WriteByte (&sv.datagram, framecount);
182 MSG_WriteByte (&sv.datagram, framerate);
190 Each entity can have eight independant sound sources, like voice,
193 Channel 0 is an auto-allocate channel, the others override anything
194 already running on that entity/channel pair.
196 An attenuation of 0 will play full volume everywhere in the level.
197 Larger attenuations will drop off. (max 4 attenuation)
201 void SV_StartSound (edict_t *entity, int channel, char *sample, int volume, float attenuation)
203 int sound_num, field_mask, i, ent;
205 if (volume < 0 || volume > 255)
206 Host_Error ("SV_StartSound: volume = %i", volume);
208 if (attenuation < 0 || attenuation > 4)
209 Host_Error ("SV_StartSound: attenuation = %f", attenuation);
211 if (channel < 0 || channel > 7)
212 Host_Error ("SV_StartSound: channel = %i", channel);
214 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
217 // find precache number for sound
218 for (sound_num=1 ; sound_num<MAX_SOUNDS && sv.sound_precache[sound_num] ; sound_num++)
219 if (!strcmp(sample, sv.sound_precache[sound_num]))
222 if ( sound_num == MAX_SOUNDS || !sv.sound_precache[sound_num] )
224 Con_Printf("SV_StartSound: %s not precached\n", sample);
228 ent = NUM_FOR_EDICT(entity);
231 if (volume != DEFAULT_SOUND_PACKET_VOLUME)
232 field_mask |= SND_VOLUME;
233 if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
234 field_mask |= SND_ATTENUATION;
236 field_mask |= SND_LARGEENTITY;
237 if (sound_num >= 256 || channel >= 8)
238 field_mask |= SND_LARGESOUND;
240 // directed messages go only to the entity they are targeted on
241 MSG_WriteByte (&sv.datagram, svc_sound);
242 MSG_WriteByte (&sv.datagram, field_mask);
243 if (field_mask & SND_VOLUME)
244 MSG_WriteByte (&sv.datagram, volume);
245 if (field_mask & SND_ATTENUATION)
246 MSG_WriteByte (&sv.datagram, attenuation*64);
247 if (field_mask & SND_LARGEENTITY)
249 MSG_WriteShort (&sv.datagram, ent);
250 MSG_WriteByte (&sv.datagram, channel);
253 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
254 if (field_mask & SND_LARGESOUND)
255 MSG_WriteShort (&sv.datagram, sound_num);
257 MSG_WriteByte (&sv.datagram, sound_num);
258 for (i = 0;i < 3;i++)
259 MSG_WriteCoord (&sv.datagram, entity->v->origin[i]+0.5*(entity->v->mins[i]+entity->v->maxs[i]), sv.protocol);
263 ==============================================================================
267 ==============================================================================
274 Sends the first message from the server to a connected client.
275 This will be sent on the initial connection and upon each server load.
278 void SV_SendServerinfo (client_t *client)
283 // edicts get reallocated on level changes, so we need to update it here
284 client->edict = EDICT_NUM((client - svs.clients) + 1);
287 // LordHavoc: clear entityframe tracking
289 if (client->entitydatabase)
290 EntityFrame_FreeDatabase(client->entitydatabase);
291 if (client->entitydatabase4)
292 EntityFrame4_FreeDatabase(client->entitydatabase4);
293 if (client->entitydatabase5)
294 EntityFrame5_FreeDatabase(client->entitydatabase5);
296 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
297 client->entitydatabase = EntityFrame_AllocDatabase(sv_clients_mempool);
298 if (sv.protocol == PROTOCOL_DARKPLACES4)
299 client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_clients_mempool);
300 if (sv.protocol == PROTOCOL_DARKPLACES5)
301 client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_clients_mempool);
303 MSG_WriteByte (&client->message, svc_print);
304 snprintf (message, sizeof (message), "\002\nServer: %s build %s (progs %i crc)", gamename, buildstring, pr_crc);
305 MSG_WriteString (&client->message,message);
307 MSG_WriteByte (&client->message, svc_serverinfo);
308 MSG_WriteLong (&client->message, sv.protocol);
309 MSG_WriteByte (&client->message, svs.maxclients);
311 if (!coop.integer && deathmatch.integer)
312 MSG_WriteByte (&client->message, GAME_DEATHMATCH);
314 MSG_WriteByte (&client->message, GAME_COOP);
316 MSG_WriteString (&client->message,PR_GetString(sv.edicts->v->message));
318 for (s = sv.model_precache+1 ; *s ; s++)
319 MSG_WriteString (&client->message, *s);
320 MSG_WriteByte (&client->message, 0);
322 for (s = sv.sound_precache+1 ; *s ; s++)
323 MSG_WriteString (&client->message, *s);
324 MSG_WriteByte (&client->message, 0);
327 MSG_WriteByte (&client->message, svc_cdtrack);
328 MSG_WriteByte (&client->message, sv.edicts->v->sounds);
329 MSG_WriteByte (&client->message, sv.edicts->v->sounds);
332 MSG_WriteByte (&client->message, svc_setview);
333 MSG_WriteShort (&client->message, NUM_FOR_EDICT(client->edict));
335 MSG_WriteByte (&client->message, svc_signonnum);
336 MSG_WriteByte (&client->message, 1);
338 client->sendsignon = true;
339 client->spawned = false; // need prespawn, spawn, etc
346 Initializes a client_t for a new net connection. This will only be called
347 once for a player each game, not once for each level change.
350 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
354 float spawn_parms[NUM_SPAWN_PARMS];
356 client = svs.clients + clientnum;
358 // set up the client_t
360 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
361 memset (client, 0, sizeof(*client));
362 client->active = true;
363 client->netconnection = netconnection;
365 Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
367 strcpy(client->name, "unconnected");
368 strcpy(client->old_name, "unconnected");
369 client->spawned = false;
370 client->edict = EDICT_NUM(clientnum+1);
371 client->message.data = client->msgbuf;
372 client->message.maxsize = sizeof(client->msgbuf);
373 client->message.allowoverflow = true; // we can catch it
374 // updated by receiving "rate" command from client
375 client->rate = NET_MINRATE;
376 // no limits for local player
377 if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
378 client->rate = 1000000000;
379 client->connecttime = realtime;
382 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
385 // call the progs to get default spawn parms for the new client
386 PR_ExecuteProgram (pr_global_struct->SetNewParms, "QC function SetNewParms is missing");
387 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
388 client->spawn_parms[i] = (&pr_global_struct->parm1)[i];
391 SV_SendServerinfo (client);
396 ===============================================================================
400 ===============================================================================
409 void SV_ClearDatagram (void)
411 SZ_Clear (&sv.datagram);
415 =============================================================================
417 The PVS must include a small area around the client to allow head bobbing
418 or other small motion on the client side. Otherwise, a bob might cause an
419 entity that should be visible to not show up, especially when the bob
422 =============================================================================
425 int sv_writeentitiestoclient_pvsbytes;
426 qbyte sv_writeentitiestoclient_pvs[MAX_MAP_LEAFS/8];
428 static int numsendentities;
429 static entity_state_t sendentities[MAX_EDICTS];
430 static entity_state_t *sendentitiesindex[MAX_EDICTS];
432 void SV_PrepareEntitiesForSending(void)
438 // send all entities that touch the pvs
440 sendentitiesindex[0] = NULL;
441 for (e = 1, ent = NEXT_EDICT(sv.edicts);e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
443 sendentitiesindex[e] = NULL;
450 VectorCopy(ent->v->origin, cs.origin);
451 VectorCopy(ent->v->angles, cs.angles);
453 cs.effects = (int)ent->v->effects;
454 cs.colormap = (qbyte)ent->v->colormap;
455 cs.skin = (qbyte)ent->v->skin;
456 cs.frame = (qbyte)ent->v->frame;
457 cs.viewmodelforclient = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)->edict;
458 cs.exteriormodelforclient = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)->edict;
459 cs.nodrawtoclient = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)->edict;
460 cs.drawonlytoclient = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)->edict;
461 cs.tagentity = GETEDICTFIELDVALUE(ent, eval_tag_entity)->edict;
462 cs.tagindex = (qbyte)GETEDICTFIELDVALUE(ent, eval_tag_index)->_float;
463 i = (int)(GETEDICTFIELDVALUE(ent, eval_glow_size)->_float * 0.25f);
464 cs.glowsize = (qbyte)bound(0, i, 255);
465 if (GETEDICTFIELDVALUE(ent, eval_glow_trail)->_float)
466 cs.flags |= RENDER_GLOWTRAIL;
469 i = (int)ent->v->modelindex;
470 if (i >= 1 && i < MAX_MODELS && *PR_GetString(ent->v->model))
474 f = (GETEDICTFIELDVALUE(ent, eval_alpha)->_float * 255.0f);
478 cs.alpha = (qbyte)bound(0, i, 255);
481 f = (GETEDICTFIELDVALUE(ent, eval_renderamt)->_float);
485 cs.alpha = (qbyte)bound(0, i, 255);
489 f = (GETEDICTFIELDVALUE(ent, eval_scale)->_float * 16.0f);
493 cs.scale = (qbyte)bound(0, i, 255);
497 f = (GETEDICTFIELDVALUE(ent, eval_glow_color)->_float);
499 cs.glowcolor = (int)f;
501 if (GETEDICTFIELDVALUE(ent, eval_fullbright)->_float)
502 cs.effects |= EF_FULLBRIGHT;
504 if (ent->v->movetype == MOVETYPE_STEP)
505 cs.flags |= RENDER_STEP;
506 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)
507 cs.flags |= RENDER_LOWPRECISION;
508 if (ent->v->colormap >= 1024)
509 cs.flags |= RENDER_COLORMAPPED;
510 if (cs.viewmodelforclient)
511 cs.flags |= RENDER_VIEWMODEL; // show relative to the view
513 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[0]*256;
514 cs.light[0] = (unsigned short)bound(0, f, 65535);
515 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[1]*256;
516 cs.light[1] = (unsigned short)bound(0, f, 65535);
517 f = GETEDICTFIELDVALUE(ent, eval_color)->vector[2]*256;
518 cs.light[2] = (unsigned short)bound(0, f, 65535);
519 f = GETEDICTFIELDVALUE(ent, eval_light_lev)->_float;
520 cs.light[3] = (unsigned short)bound(0, f, 65535);
521 cs.lightstyle = (qbyte)GETEDICTFIELDVALUE(ent, eval_style)->_float;
522 cs.lightpflags = (qbyte)GETEDICTFIELDVALUE(ent, eval_pflags)->_float;
524 if (gamemode == GAME_TENEBRAE)
526 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
530 cs.lightpflags |= PFLAGS_FULLDYNAMIC;
532 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
540 cs.lightpflags |= PFLAGS_FULLDYNAMIC;
544 cs.specialvisibilityradius = 0;
545 if (cs.lightpflags & PFLAGS_FULLDYNAMIC)
546 cs.specialvisibilityradius = max(cs.specialvisibilityradius, cs.light[3]);
548 cs.specialvisibilityradius = max(cs.specialvisibilityradius, cs.glowsize * 4);
549 if (cs.flags & RENDER_GLOWTRAIL)
550 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
551 if (cs.effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
553 if (cs.effects & EF_BRIGHTFIELD)
554 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 80);
555 if (cs.effects & EF_MUZZLEFLASH)
556 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
557 if (cs.effects & EF_BRIGHTLIGHT)
558 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 400);
559 if (cs.effects & EF_DIMLIGHT)
560 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
561 if (cs.effects & EF_RED)
562 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
563 if (cs.effects & EF_BLUE)
564 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 200);
565 if (cs.effects & EF_FLAME)
566 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 250);
567 if (cs.effects & EF_STARDUST)
568 cs.specialvisibilityradius = max(cs.specialvisibilityradius, 100);
571 if (numsendentities >= MAX_EDICTS)
573 // we can omit invisible entities with no effects that are not clients
574 // LordHavoc: this could kill tags attached to an invisible entity, I
575 // just hope we never have to support that case
576 if (cs.number > svs.maxclients && ((cs.effects & EF_NODRAW) || (!cs.modelindex && !cs.specialvisibilityradius)))
578 sendentitiesindex[e] = sendentities + numsendentities;
579 sendentities[numsendentities++] = cs;
583 static int sententitiesmark = 0;
584 static int sententities[MAX_EDICTS];
585 static int sententitiesconsideration[MAX_EDICTS];
586 static int sv_writeentitiestoclient_culled_pvs;
587 static int sv_writeentitiestoclient_culled_trace;
588 static int sv_writeentitiestoclient_visibleentities;
589 static int sv_writeentitiestoclient_totalentities;
590 //static entity_frame_t sv_writeentitiestoclient_entityframe;
591 static int sv_writeentitiestoclient_clentnum;
592 static vec3_t sv_writeentitiestoclient_testeye;
593 static client_t *sv_writeentitiestoclient_client;
595 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
598 vec3_t entmins, entmaxs, lightmins, lightmaxs, testorigin;
601 if (sententitiesconsideration[s->number] == sententitiesmark)
603 sententitiesconsideration[s->number] = sententitiesmark;
604 // viewmodels don't have visibility checking
605 if (s->viewmodelforclient)
607 if (s->viewmodelforclient != sv_writeentitiestoclient_clentnum)
610 // never reject player
611 else if (s->number != sv_writeentitiestoclient_clentnum)
613 // check various rejection conditions
614 if (s->nodrawtoclient == sv_writeentitiestoclient_clentnum)
616 if (s->drawonlytoclient && s->drawonlytoclient != sv_writeentitiestoclient_clentnum)
618 if (s->effects & EF_NODRAW)
620 // LordHavoc: only send entities with a model or important effects
621 if (!s->modelindex && s->specialvisibilityradius == 0)
625 // tag attached entities simply check their parent
626 if (!sendentitiesindex[s->tagentity])
628 SV_MarkWriteEntityStateToClient(sendentitiesindex[s->tagentity]);
629 if (sententities[s->tagentity] != sententitiesmark)
632 // always send world submodels, they don't generate much traffic
633 // except in PROTOCOL_QUAKE where they hog bandwidth like crazy
634 else if ((!(isbmodel = (model = sv.models[s->modelindex]) != NULL && model->name[0] == '*') && !(s->effects & EF_NODEPTHTEST)) || sv.protocol == PROTOCOL_QUAKE)
636 Mod_CheckLoaded(model);
637 // entity has survived every check so far, check if visible
638 // enlarged box to account for prediction (not that there is
639 // any currently, but still helps the 'run into a room and
640 // watch items pop up' problem)
641 entmins[0] = s->origin[0] - 32.0f;
642 entmins[1] = s->origin[1] - 32.0f;
643 entmins[2] = s->origin[2] - 32.0f;
644 entmaxs[0] = s->origin[0] + 32.0f;
645 entmaxs[1] = s->origin[1] + 32.0f;
646 entmaxs[2] = s->origin[2] + 32.0f;
647 // using the model's bounding box to ensure things are visible regardless of their physics box
650 if (s->angles[0] || s->angles[2]) // pitch and roll
652 VectorAdd(entmins, model->rotatedmins, entmins);
653 VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
655 else if (s->angles[1])
657 VectorAdd(entmins, model->yawmins, entmins);
658 VectorAdd(entmaxs, model->yawmaxs, entmaxs);
662 VectorAdd(entmins, model->normalmins, entmins);
663 VectorAdd(entmaxs, model->normalmaxs, entmaxs);
666 lightmins[0] = min(entmins[0], s->origin[0] - s->specialvisibilityradius);
667 lightmins[1] = min(entmins[1], s->origin[1] - s->specialvisibilityradius);
668 lightmins[2] = min(entmins[2], s->origin[2] - s->specialvisibilityradius);
669 lightmaxs[0] = max(entmaxs[0], s->origin[0] + s->specialvisibilityradius);
670 lightmaxs[1] = max(entmaxs[1], s->origin[1] + s->specialvisibilityradius);
671 lightmaxs[2] = max(entmaxs[2], s->origin[2] + s->specialvisibilityradius);
672 sv_writeentitiestoclient_totalentities++;
673 // if not touching a visible leaf
674 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))
676 sv_writeentitiestoclient_culled_pvs++;
679 // or not seen by random tracelines
680 if (sv_cullentities_trace.integer && !isbmodel)
682 // LordHavoc: test center first
683 testorigin[0] = (entmins[0] + entmaxs[0]) * 0.5f;
684 testorigin[1] = (entmins[1] + entmaxs[1]) * 0.5f;
685 testorigin[2] = (entmins[2] + entmaxs[2]) * 0.5f;
686 sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
687 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
688 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
691 // LordHavoc: test random offsets, to maximize chance of detection
692 testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
693 testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
694 testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
695 sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
696 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
697 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
700 if (s->specialvisibilityradius)
702 // LordHavoc: test random offsets, to maximize chance of detection
703 testorigin[0] = lhrandom(lightmins[0], lightmaxs[0]);
704 testorigin[1] = lhrandom(lightmins[1], lightmaxs[1]);
705 testorigin[2] = lhrandom(lightmins[2], lightmaxs[2]);
706 sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
707 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, entmins, entmaxs))
708 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
712 if (realtime > sv_writeentitiestoclient_client->visibletime[s->number])
714 sv_writeentitiestoclient_culled_trace++;
718 sv_writeentitiestoclient_visibleentities++;
721 // this just marks it for sending
722 // FIXME: it would be more efficient to send here, but the entity
723 // compressor isn't that flexible
724 sententities[s->number] = sententitiesmark;
727 entity_state_t sendstates[MAX_EDICTS];
729 void SV_WriteEntitiesToClient(client_t *client, edict_t *clent, sizebuf_t *msg)
731 int i, numsendstates;
734 // if there isn't enough space to accomplish anything, skip it
735 if (msg->cursize + 25 > msg->maxsize)
738 sv_writeentitiestoclient_client = client;
740 sv_writeentitiestoclient_culled_pvs = 0;
741 sv_writeentitiestoclient_culled_trace = 0;
742 sv_writeentitiestoclient_visibleentities = 0;
743 sv_writeentitiestoclient_totalentities = 0;
745 Mod_CheckLoaded(sv.worldmodel);
747 // find the client's PVS
748 // the real place being tested from
749 VectorAdd(clent->v->origin, clent->v->view_ofs, sv_writeentitiestoclient_testeye);
750 sv_writeentitiestoclient_pvsbytes = 0;
751 if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
752 sv_writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv_writeentitiestoclient_testeye, 8, sv_writeentitiestoclient_pvs, sizeof(sv_writeentitiestoclient_pvs));
754 sv_writeentitiestoclient_clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
758 for (i = 0;i < numsendentities;i++)
759 SV_MarkWriteEntityStateToClient(sendentities + i);
762 for (i = 0;i < numsendentities;i++)
764 if (sententities[sendentities[i].number] == sententitiesmark)
766 s = &sendstates[numsendstates++];
767 *s = sendentities[i];
768 if (s->exteriormodelforclient && s->exteriormodelforclient == sv_writeentitiestoclient_clentnum)
769 s->flags |= RENDER_EXTERIORMODEL;
773 if (sv_cullentities_stats.integer)
774 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);
776 if (client->entitydatabase5)
777 EntityFrame5_WriteFrame(msg, client->entitydatabase5, numsendstates, sendstates, client - svs.clients + 1);
778 else if (client->entitydatabase4)
779 EntityFrame4_WriteFrame(msg, client->entitydatabase4, numsendstates, sendstates);
780 else if (client->entitydatabase)
781 EntityFrame_WriteFrame(msg, client->entitydatabase, numsendstates, sendstates, client - svs.clients + 1);
783 EntityFrameQuake_WriteFrame(msg, numsendstates, sendstates);
792 void SV_CleanupEnts (void)
797 ent = NEXT_EDICT(sv.edicts);
798 for (e=1 ; e<sv.num_edicts ; e++, ent = NEXT_EDICT(ent))
799 ent->v->effects = (int)ent->v->effects & ~EF_MUZZLEFLASH;
804 SV_WriteClientdataToMessage
808 void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
819 // send a damage message
821 if (ent->v->dmg_take || ent->v->dmg_save)
823 other = PROG_TO_EDICT(ent->v->dmg_inflictor);
824 MSG_WriteByte (msg, svc_damage);
825 MSG_WriteByte (msg, ent->v->dmg_save);
826 MSG_WriteByte (msg, ent->v->dmg_take);
827 for (i=0 ; i<3 ; i++)
828 MSG_WriteCoord (msg, other->v->origin[i] + 0.5*(other->v->mins[i] + other->v->maxs[i]), sv.protocol);
830 ent->v->dmg_take = 0;
831 ent->v->dmg_save = 0;
835 // send the current viewpos offset from the view entity
837 SV_SetIdealPitch (); // how much to look up / down ideally
839 // a fixangle might get lost in a dropped packet. Oh well.
840 if ( ent->v->fixangle )
842 MSG_WriteByte (msg, svc_setangle);
843 for (i=0 ; i < 3 ; i++)
844 MSG_WriteAngle (msg, ent->v->angles[i], sv.protocol);
845 ent->v->fixangle = 0;
850 if (ent->v->view_ofs[2] != DEFAULT_VIEWHEIGHT)
851 bits |= SU_VIEWHEIGHT;
853 if (ent->v->idealpitch)
854 bits |= SU_IDEALPITCH;
856 // stuff the sigil bits into the high bits of items for sbar, or else
858 val = GETEDICTFIELDVALUE(ent, eval_items2);
861 items = (int)ent->v->items | ((int)val->_float << 23);
863 items = (int)ent->v->items | ((int)pr_global_struct->serverflags << 28);
867 if ( (int)ent->v->flags & FL_ONGROUND)
870 if ( ent->v->waterlevel >= 2)
873 // PROTOCOL_DARKPLACES
874 VectorClear(punchvector);
875 if ((val = GETEDICTFIELDVALUE(ent, eval_punchvector)))
876 VectorCopy(val->vector, punchvector);
879 if ((val = GETEDICTFIELDVALUE(ent, eval_viewzoom)))
881 i = val->_float * 255.0f;
885 i = bound(0, i, 65535);
889 // FIXME: which protocols support this? does PROTOCOL_DARKPLACES3 support viewzoom?
890 if (sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
894 for (i=0 ; i<3 ; i++)
896 if (ent->v->punchangle[i])
897 bits |= (SU_PUNCH1<<i);
898 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
900 bits |= (SU_PUNCHVEC1<<i);
901 if (ent->v->velocity[i])
902 bits |= (SU_VELOCITY1<<i);
905 if (ent->v->weaponframe)
906 bits |= SU_WEAPONFRAME;
908 if (ent->v->armorvalue)
915 if (bits >= 16777216)
920 MSG_WriteByte (msg, svc_clientdata);
921 MSG_WriteShort (msg, bits);
922 if (bits & SU_EXTEND1)
923 MSG_WriteByte(msg, bits >> 16);
924 if (bits & SU_EXTEND2)
925 MSG_WriteByte(msg, bits >> 24);
927 if (bits & SU_VIEWHEIGHT)
928 MSG_WriteChar (msg, ent->v->view_ofs[2]);
930 if (bits & SU_IDEALPITCH)
931 MSG_WriteChar (msg, ent->v->idealpitch);
933 for (i=0 ; i<3 ; i++)
935 if (bits & (SU_PUNCH1<<i))
937 if (sv.protocol == PROTOCOL_QUAKE)
938 MSG_WriteChar(msg, ent->v->punchangle[i]);
939 else if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
940 MSG_WriteAngle16i(msg, ent->v->punchangle[i]);
942 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
944 if (bits & (SU_PUNCHVEC1<<i))
946 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
947 MSG_WriteCoord16i(msg, punchvector[i]);
948 else if (sv.protocol == PROTOCOL_DARKPLACES5)
949 MSG_WriteCoord32f(msg, punchvector[i]);
952 if (bits & (SU_VELOCITY1<<i))
954 if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
955 MSG_WriteChar(msg, ent->v->velocity[i] * (1.0f / 16.0f));
956 else if (sv.protocol == PROTOCOL_DARKPLACES5)
957 MSG_WriteCoord32f(msg, ent->v->velocity[i]);
961 // [always sent] if (bits & SU_ITEMS)
962 MSG_WriteLong (msg, items);
964 if (sv.protocol == PROTOCOL_DARKPLACES5)
966 if (bits & SU_WEAPONFRAME)
967 MSG_WriteShort (msg, ent->v->weaponframe);
969 MSG_WriteShort (msg, ent->v->armorvalue);
970 if (bits & SU_WEAPON)
972 i = SV_ModelIndex(PR_GetString(ent->v->weaponmodel));
975 Con_DPrintf("weaponmodel \"%s\" not precached\n", PR_GetString(ent->v->weaponmodel));
978 MSG_WriteShort (msg, i);
981 MSG_WriteShort (msg, ent->v->health);
982 MSG_WriteShort (msg, ent->v->currentammo);
983 MSG_WriteShort (msg, ent->v->ammo_shells);
984 MSG_WriteShort (msg, ent->v->ammo_nails);
985 MSG_WriteShort (msg, ent->v->ammo_rockets);
986 MSG_WriteShort (msg, ent->v->ammo_cells);
988 MSG_WriteShort (msg, ent->v->weapon);
990 if (bits & SU_VIEWZOOM)
991 MSG_WriteShort (msg, viewzoom);
995 if (bits & SU_WEAPONFRAME)
996 MSG_WriteByte (msg, ent->v->weaponframe);
998 MSG_WriteByte (msg, ent->v->armorvalue);
999 if (bits & SU_WEAPON)
1001 i = SV_ModelIndex(PR_GetString(ent->v->weaponmodel));
1004 Con_DPrintf("weaponmodel \"%s\" not precached\n", PR_GetString(ent->v->weaponmodel));
1007 MSG_WriteByte (msg, i);
1010 MSG_WriteShort (msg, ent->v->health);
1011 MSG_WriteByte (msg, ent->v->currentammo);
1012 MSG_WriteByte (msg, ent->v->ammo_shells);
1013 MSG_WriteByte (msg, ent->v->ammo_nails);
1014 MSG_WriteByte (msg, ent->v->ammo_rockets);
1015 MSG_WriteByte (msg, ent->v->ammo_cells);
1017 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1021 if ( ((int)ent->v->weapon) & (1<<i) )
1023 MSG_WriteByte (msg, i);
1030 MSG_WriteByte (msg, ent->v->weapon);
1033 if (bits & SU_VIEWZOOM)
1035 if (sv.protocol == PROTOCOL_DARKPLACES4)
1037 viewzoom = min(viewzoom, 255);
1038 MSG_WriteByte (msg, viewzoom);
1040 else if (sv.protocol == PROTOCOL_DARKPLACES5)
1041 MSG_WriteShort (msg, viewzoom);
1047 =======================
1048 SV_SendClientDatagram
1049 =======================
1051 static qbyte sv_sendclientdatagram_buf[NET_MAXMESSAGE]; // FIXME?
1052 qboolean SV_SendClientDatagram (client_t *client)
1054 int rate, maxrate, maxsize, maxsize2;
1057 if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
1059 // for good singleplayer, send huge packets
1060 maxsize = sizeof(sv_sendclientdatagram_buf);
1061 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1063 else if (sv.protocol == PROTOCOL_DARKPLACES5)
1065 // PROTOCOL_DARKPLACES5 supports packet size limiting of updates
1066 maxrate = bound(NET_MINRATE, sv_maxrate.integer, NET_MAXRATE);
1067 if (sv_maxrate.integer != maxrate)
1068 Cvar_SetValueQuick(&sv_maxrate, maxrate);
1070 rate = bound(NET_MINRATE, client->rate, maxrate);
1071 rate = (int)(client->rate * sys_ticrate.value);
1072 maxsize = bound(100, rate, 1400);
1077 // no rate limiting support on older protocols because dp protocols
1078 // 1-4 kick the client off if they overflow, and quake protocol shows
1079 // less than the full entity set if rate limited
1084 msg.data = sv_sendclientdatagram_buf;
1085 msg.maxsize = maxsize;
1088 MSG_WriteByte (&msg, svc_time);
1089 MSG_WriteFloat (&msg, sv.time);
1091 // add the client specific data to the datagram
1092 SV_WriteClientdataToMessage (client->edict, &msg);
1094 SV_WriteEntitiesToClient (client, client->edict, &msg);
1096 // expand packet size to allow effects to go over the rate limit
1097 // (dropping them is FAR too ugly)
1098 msg.maxsize = maxsize2;
1100 // copy the server datagram if there is space
1101 // FIXME: put in delayed queue of effects to send
1102 if (sv.datagram.cursize > 0 && msg.cursize + sv.datagram.cursize <= msg.maxsize)
1103 SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
1105 // send the datagram
1106 if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1108 SV_DropClient (true);// if the message couldn't send, kick off
1116 =======================
1117 SV_UpdateToReliableMessages
1118 =======================
1120 void SV_UpdateToReliableMessages (void)
1127 // check for changes to be sent over the reliable streams
1128 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1130 // update the host_client fields we care about according to the entity fields
1131 sv_player = EDICT_NUM(i+1);
1134 name = PR_GetString(sv_player->v->netname);
1137 // always point the string back at host_client->name to keep it safe
1138 strlcpy (host_client->name, name, sizeof (host_client->name));
1139 sv_player->v->netname = PR_SetString(host_client->name);
1140 if (strcmp(host_client->old_name, host_client->name))
1142 if (host_client->spawned)
1143 SV_BroadcastPrintf("%s changed name to %s\n", host_client->old_name, host_client->name);
1144 strcpy(host_client->old_name, host_client->name);
1145 // send notification to all clients
1146 MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
1147 MSG_WriteByte (&sv.reliable_datagram, i);
1148 MSG_WriteString (&sv.reliable_datagram, host_client->name);
1151 // DP_SV_CLIENTCOLORS
1152 // this is always found (since it's added by the progs loader)
1153 if ((val = GETEDICTFIELDVALUE(sv_player, eval_clientcolors)))
1154 host_client->colors = (int)val->_float;
1155 if (host_client->old_colors != host_client->colors)
1157 host_client->old_colors = host_client->colors;
1158 // send notification to all clients
1159 MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
1160 MSG_WriteByte (&sv.reliable_datagram, i);
1161 MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
1165 host_client->frags = (int)sv_player->v->frags;
1166 if (host_client->old_frags != host_client->frags)
1168 host_client->old_frags = host_client->frags;
1169 // send notification to all clients
1170 MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
1171 MSG_WriteByte (&sv.reliable_datagram, i);
1172 MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
1176 for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
1177 if (client->netconnection)
1178 SZ_Write (&client->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
1180 SZ_Clear (&sv.reliable_datagram);
1185 =======================
1188 Send a nop message without trashing or sending the accumulated client
1190 =======================
1192 void SV_SendNop (client_t *client)
1198 msg.maxsize = sizeof(buf);
1201 MSG_WriteChar (&msg, svc_nop);
1203 if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1204 SV_DropClient (true); // if the message couldn't send, kick off
1205 client->last_message = realtime;
1209 =======================
1210 SV_SendClientMessages
1211 =======================
1213 void SV_SendClientMessages (void)
1215 int i, prepared = false;
1217 // update frags, names, etc
1218 SV_UpdateToReliableMessages();
1220 // build individual updates
1221 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1223 if (!host_client->active)
1225 if (!host_client->netconnection)
1227 SZ_Clear(&host_client->message);
1231 if (host_client->deadsocket || host_client->message.overflowed)
1233 SV_DropClient (true); // if the message couldn't send, kick off
1237 if (host_client->spawned)
1242 // only prepare entities once per frame
1243 SV_PrepareEntitiesForSending();
1245 if (!SV_SendClientDatagram (host_client))
1250 // the player isn't totally in the game yet
1251 // send small keepalive messages if too much time has passed
1252 // send a full message when the next signon stage has been requested
1253 // some other message data (name changes, etc) may accumulate
1254 // between signon stages
1255 if (!host_client->sendsignon)
1257 if (realtime - host_client->last_message > 5)
1258 SV_SendNop (host_client);
1259 continue; // don't send out non-signon messages
1263 if (host_client->message.cursize || host_client->dropasap)
1265 if (!NetConn_CanSendMessage (host_client->netconnection))
1268 if (host_client->dropasap)
1269 SV_DropClient (false); // went to another level
1272 if (NetConn_SendReliableMessage (host_client->netconnection, &host_client->message) == -1)
1273 SV_DropClient (true); // if the message couldn't send, kick off
1274 SZ_Clear (&host_client->message);
1275 host_client->last_message = realtime;
1276 host_client->sendsignon = false;
1281 // clear muzzle flashes
1287 ==============================================================================
1291 ==============================================================================
1300 int SV_ModelIndex (const char *name)
1304 if (!name || !name[0])
1307 for (i=0 ; i<MAX_MODELS && sv.model_precache[i] ; i++)
1308 if (!strcmp(sv.model_precache[i], name))
1310 if (i==MAX_MODELS || !sv.model_precache[i])
1312 Con_DPrintf ("SV_ModelIndex: model %s not precached", name);
1324 void SV_CreateBaseline (void)
1326 int i, entnum, large;
1329 // LordHavoc: clear *all* states (note just active ones)
1330 for (entnum = 0;entnum < sv.max_edicts;entnum++)
1332 // get the current server version
1333 svent = EDICT_NUM(entnum);
1335 // LordHavoc: always clear state values, whether the entity is in use or not
1336 svent->e->baseline = defaultstate;
1340 if (entnum > svs.maxclients && !svent->v->modelindex)
1343 // create entity baseline
1344 VectorCopy (svent->v->origin, svent->e->baseline.origin);
1345 VectorCopy (svent->v->angles, svent->e->baseline.angles);
1346 svent->e->baseline.frame = svent->v->frame;
1347 svent->e->baseline.skin = svent->v->skin;
1348 if (entnum > 0 && entnum <= svs.maxclients)
1350 svent->e->baseline.colormap = entnum;
1351 i = SV_ModelIndex("progs/player.mdl");
1354 svent->e->baseline.modelindex = i;
1358 svent->e->baseline.colormap = 0;
1359 svent->e->baseline.modelindex = svent->v->modelindex;
1363 if (svent->e->baseline.modelindex & 0xFF00 || svent->e->baseline.frame & 0xFF00)
1366 // add to the message
1368 MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1370 MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1371 MSG_WriteShort (&sv.signon, entnum);
1375 MSG_WriteShort (&sv.signon, svent->e->baseline.modelindex);
1376 MSG_WriteShort (&sv.signon, svent->e->baseline.frame);
1380 MSG_WriteByte (&sv.signon, svent->e->baseline.modelindex);
1381 MSG_WriteByte (&sv.signon, svent->e->baseline.frame);
1383 MSG_WriteByte (&sv.signon, svent->e->baseline.colormap);
1384 MSG_WriteByte (&sv.signon, svent->e->baseline.skin);
1385 for (i=0 ; i<3 ; i++)
1387 MSG_WriteCoord(&sv.signon, svent->e->baseline.origin[i], sv.protocol);
1388 MSG_WriteAngle(&sv.signon, svent->e->baseline.angles[i], sv.protocol);
1398 Tell all the clients that the server is changing levels
1401 void SV_SendReconnect (void)
1408 msg.maxsize = sizeof(data);
1410 MSG_WriteChar (&msg, svc_stufftext);
1411 MSG_WriteString (&msg, "reconnect\n");
1412 NetConn_SendToAll (&msg, 5);
1414 if (cls.state != ca_dedicated)
1415 Cmd_ExecuteString ("reconnect\n", src_command);
1423 Grabs the current state of each client for saving across the
1424 transition to another level
1427 void SV_SaveSpawnparms (void)
1431 svs.serverflags = pr_global_struct->serverflags;
1433 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1435 if (!host_client->active)
1438 // call the progs to get default spawn parms for the new client
1439 pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
1440 PR_ExecuteProgram (pr_global_struct->SetChangeParms, "QC function SetChangeParms is missing");
1441 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1442 host_client->spawn_parms[j] = (&pr_global_struct->parm1)[j];
1446 void SV_IncreaseEdicts(void)
1450 int oldmax_edicts = sv.max_edicts;
1451 void *oldedictsengineprivate = sv.edictsengineprivate;
1452 void *oldedictsfields = sv.edictsfields;
1453 void *oldmoved_edicts = sv.moved_edicts;
1455 if (sv.max_edicts >= MAX_EDICTS)
1458 // links don't survive the transition, so unlink everything
1459 for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1462 SV_UnlinkEdict(sv.edicts + i);
1463 memset(&ent->e->areagrid, 0, sizeof(ent->e->areagrid));
1467 sv.max_edicts = min(sv.max_edicts + 256, MAX_EDICTS);
1468 sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1469 sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1470 sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1472 memcpy(sv.edictsengineprivate, oldedictsengineprivate, oldmax_edicts * sizeof(edict_engineprivate_t));
1473 memcpy(sv.edictsfields, oldedictsfields, oldmax_edicts * pr_edict_size);
1475 for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1477 ent->e = sv.edictsengineprivate + i;
1478 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1479 // link every entity except world
1481 SV_LinkEdict(ent, false);
1484 Mem_Free(oldedictsengineprivate);
1485 Mem_Free(oldedictsfields);
1486 Mem_Free(oldmoved_edicts);
1493 This is called at the start of each level
1496 extern float scr_centertime_off;
1498 void SV_SpawnServer (const char *server)
1503 model_t *worldmodel;
1504 char modelname[sizeof(sv.modelname)];
1506 Con_DPrintf("SpawnServer: %s\n", server);
1508 snprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
1509 worldmodel = Mod_ForName(modelname, false, true, true);
1510 if (!worldmodel || !worldmodel->TraceBox)
1512 Con_Printf("Couldn't load map %s\n", modelname);
1516 // let's not have any servers with no name
1517 if (hostname.string[0] == 0)
1518 Cvar_Set ("hostname", "UNNAMED");
1519 scr_centertime_off = 0;
1521 svs.changelevel_issued = false; // now safe to issue another
1524 // tell all connected clients that we are going to a new level
1530 // make sure cvars have been checked before opening the ports
1531 NetConn_ServerFrame();
1532 NetConn_OpenServerPorts(true);
1536 // make cvars consistant
1539 Cvar_SetValue ("deathmatch", 0);
1540 current_skill = bound(0, (int)(skill.value + 0.5), 3);
1542 Cvar_SetValue ("skill", (float)current_skill);
1545 // set up the new server
1547 Host_ClearMemory ();
1549 memset (&sv, 0, sizeof(sv));
1551 strlcpy (sv.name, server, sizeof (sv.name));
1554 if (!strcasecmp(sv_protocolname.string, "QUAKE"))
1556 sv.protocol = PROTOCOL_QUAKE;
1557 sv.netquakecompatible = true;
1559 else if (!strcasecmp(sv_protocolname.string, "QUAKEDP"))
1561 sv.protocol = PROTOCOL_QUAKE;
1562 sv.netquakecompatible = false;
1564 else if (!strcasecmp(sv_protocolname.string, "DARKPLACES1"))
1566 sv.protocol = PROTOCOL_DARKPLACES1;
1567 sv.netquakecompatible = false;
1569 else if (!strcasecmp(sv_protocolname.string, "DARKPLACES2"))
1571 sv.protocol = PROTOCOL_DARKPLACES2;
1572 sv.netquakecompatible = false;
1574 else if (!strcasecmp(sv_protocolname.string, "DARKPLACES3"))
1576 sv.protocol = PROTOCOL_DARKPLACES3;
1577 sv.netquakecompatible = false;
1579 else if (!strcasecmp(sv_protocolname.string, "DARKPLACES4"))
1581 sv.protocol = PROTOCOL_DARKPLACES4;
1582 sv.netquakecompatible = false;
1584 else if (!strcasecmp(sv_protocolname.string, "DARKPLACES5"))
1586 sv.protocol = PROTOCOL_DARKPLACES5;
1587 sv.netquakecompatible = false;
1591 sv.protocol = PROTOCOL_DARKPLACES5;
1592 sv.netquakecompatible = false;
1593 Con_Printf("Unknown sv_protocolname \"%s\", valid values are QUAKE, QUAKEDP, DARKPLACES1, DARKPLACES2, DARKPLACES3, DARKPLACES4, DARKPLACES5, falling back to DARKPLACES5 protocol\n", sv_protocolname.string);
1596 // load progs to get entity field count
1599 // allocate server memory
1600 // start out with just enough room for clients and a reasonable estimate of entities
1601 sv.max_edicts = max(svs.maxclients + 1, 512);
1602 sv.max_edicts = min(sv.max_edicts, MAX_EDICTS);
1604 // clear the edict memory pool
1605 Mem_EmptyPool(sv_edicts_mempool);
1606 // edict_t structures (hidden from progs)
1607 sv.edicts = Mem_Alloc(sv_edicts_mempool, MAX_EDICTS * sizeof(edict_t));
1608 // engine private structures (hidden from progs)
1609 sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1610 // progs fields, often accessed by server
1611 sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1612 // used by PushMove to move back pushed entities
1613 sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1614 for (i = 0;i < sv.max_edicts;i++)
1616 ent = sv.edicts + i;
1617 ent->e = sv.edictsengineprivate + i;
1618 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1621 sv.datagram.maxsize = sizeof(sv.datagram_buf);
1622 sv.datagram.cursize = 0;
1623 sv.datagram.data = sv.datagram_buf;
1625 sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1626 sv.reliable_datagram.cursize = 0;
1627 sv.reliable_datagram.data = sv.reliable_datagram_buf;
1629 sv.signon.maxsize = sizeof(sv.signon_buf);
1630 sv.signon.cursize = 0;
1631 sv.signon.data = sv.signon_buf;
1633 // leave slots at start for clients only
1634 sv.num_edicts = svs.maxclients+1;
1636 sv.state = ss_loading;
1642 worldmodel->used = true;
1644 strlcpy (sv.name, server, sizeof (sv.name));
1645 strcpy(sv.modelname, modelname);
1646 sv.worldmodel = worldmodel;
1647 sv.models[1] = sv.worldmodel;
1650 // clear world interaction links
1654 sv.sound_precache[0] = "";
1656 sv.model_precache[0] = "";
1657 sv.model_precache[1] = sv.modelname;
1658 for (i = 1;i < sv.worldmodel->brush.numsubmodels;i++)
1660 sv.model_precache[i+1] = localmodels[i];
1661 sv.models[i+1] = Mod_ForName (localmodels[i], false, false, false);
1665 // load the rest of the entities
1668 memset (ent->v, 0, progs->entityfields * 4);
1669 ent->e->free = false;
1670 ent->v->model = PR_SetString(sv.modelname);
1671 ent->v->modelindex = 1; // world model
1672 ent->v->solid = SOLID_BSP;
1673 ent->v->movetype = MOVETYPE_PUSH;
1676 pr_global_struct->coop = coop.integer;
1678 pr_global_struct->deathmatch = deathmatch.integer;
1680 pr_global_struct->mapname = PR_SetString(sv.name);
1682 // serverflags are for cross level information (sigils)
1683 pr_global_struct->serverflags = svs.serverflags;
1685 // load replacement entity file if found
1687 if (sv_entpatch.integer)
1688 entities = FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true);
1691 Con_Printf("Loaded maps/%s.ent\n", sv.name);
1692 ED_LoadFromFile (entities);
1696 ED_LoadFromFile (sv.worldmodel->brush.entities);
1699 // LordHavoc: clear world angles (to fix e3m3.bsp)
1700 VectorClear(sv.edicts->v->angles);
1704 // all setup is completed, any further precache statements are errors
1705 sv.state = ss_active;
1707 // run two frames to allow everything to settle
1708 for (i = 0;i < 2;i++)
1710 sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
1716 // create a baseline for more efficient communications
1717 if (sv.protocol == PROTOCOL_QUAKE)
1718 SV_CreateBaseline ();
1720 // send serverinfo to all connected clients
1721 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1722 if (host_client->netconnection)
1723 SV_SendServerinfo(host_client);
1725 Con_DPrint("Server spawned.\n");
1726 NetConn_Heartbeat (2);