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
27 char localmodels[MAX_MODELS][5]; // inline model names for precache
29 //============================================================================
39 extern cvar_t sv_maxvelocity;
40 extern cvar_t sv_gravity;
41 extern cvar_t sv_nostep;
42 extern cvar_t sv_friction;
43 extern cvar_t sv_edgefriction;
44 extern cvar_t sv_stopspeed;
45 extern cvar_t sv_maxspeed;
46 extern cvar_t sv_accelerate;
47 extern cvar_t sv_idealpitchscale;
49 extern cvar_t sv_predict;
51 Cvar_RegisterVariable (&sv_maxvelocity);
52 Cvar_RegisterVariable (&sv_gravity);
53 Cvar_RegisterVariable (&sv_friction);
54 Cvar_RegisterVariable (&sv_edgefriction);
55 Cvar_RegisterVariable (&sv_stopspeed);
56 Cvar_RegisterVariable (&sv_maxspeed);
57 Cvar_RegisterVariable (&sv_accelerate);
58 Cvar_RegisterVariable (&sv_idealpitchscale);
59 Cvar_RegisterVariable (&sv_aim);
60 Cvar_RegisterVariable (&sv_nostep);
61 Cvar_RegisterVariable (&sv_predict);
63 for (i=0 ; i<MAX_MODELS ; i++)
64 sprintf (localmodels[i], "*%i", i);
68 =============================================================================
72 =============================================================================
79 Make sure the event gets sent to all clients
82 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
86 if (sv.datagram.cursize > MAX_DATAGRAM-16)
88 MSG_WriteByte (&sv.datagram, svc_particle);
89 MSG_WriteFloatCoord (&sv.datagram, org[0]);
90 MSG_WriteFloatCoord (&sv.datagram, org[1]);
91 MSG_WriteFloatCoord (&sv.datagram, org[2]);
99 MSG_WriteChar (&sv.datagram, v);
101 MSG_WriteByte (&sv.datagram, count);
102 MSG_WriteByte (&sv.datagram, color);
109 Make sure the event gets sent to all clients
112 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
114 if (sv.datagram.cursize > MAX_DATAGRAM-18)
116 if (modelindex >= 256)
118 MSG_WriteByte (&sv.datagram, svc_effect2);
119 MSG_WriteFloatCoord (&sv.datagram, org[0]);
120 MSG_WriteFloatCoord (&sv.datagram, org[1]);
121 MSG_WriteFloatCoord (&sv.datagram, org[2]);
122 MSG_WriteShort (&sv.datagram, modelindex);
123 MSG_WriteByte (&sv.datagram, startframe);
124 MSG_WriteByte (&sv.datagram, framecount);
125 MSG_WriteByte (&sv.datagram, framerate);
129 MSG_WriteByte (&sv.datagram, svc_effect);
130 MSG_WriteFloatCoord (&sv.datagram, org[0]);
131 MSG_WriteFloatCoord (&sv.datagram, org[1]);
132 MSG_WriteFloatCoord (&sv.datagram, org[2]);
133 MSG_WriteByte (&sv.datagram, modelindex);
134 MSG_WriteByte (&sv.datagram, startframe);
135 MSG_WriteByte (&sv.datagram, framecount);
136 MSG_WriteByte (&sv.datagram, framerate);
144 Each entity can have eight independant sound sources, like voice,
147 Channel 0 is an auto-allocate channel, the others override anything
148 already running on that entity/channel pair.
150 An attenuation of 0 will play full volume everywhere in the level.
151 Larger attenuations will drop off. (max 4 attenuation)
155 void SV_StartSound (edict_t *entity, int channel, char *sample, int volume,
163 if (volume < 0 || volume > 255)
164 Host_Error ("SV_StartSound: volume = %i", volume);
166 if (attenuation < 0 || attenuation > 4)
167 Host_Error ("SV_StartSound: attenuation = %f", attenuation);
169 if (channel < 0 || channel > 7)
170 Host_Error ("SV_StartSound: channel = %i", channel);
172 if (sv.datagram.cursize > MAX_DATAGRAM-16)
175 // find precache number for sound
176 for (sound_num=1 ; sound_num<MAX_SOUNDS
177 && sv.sound_precache[sound_num] ; sound_num++)
178 if (!strcmp(sample, sv.sound_precache[sound_num]))
181 if ( sound_num == MAX_SOUNDS || !sv.sound_precache[sound_num] )
183 Con_Printf ("SV_StartSound: %s not precached\n", sample);
187 ent = NUM_FOR_EDICT(entity);
189 channel = (ent<<3) | channel;
192 if (volume != DEFAULT_SOUND_PACKET_VOLUME)
193 field_mask |= SND_VOLUME;
194 if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
195 field_mask |= SND_ATTENUATION;
197 // directed messages go only to the entity they are targeted on
198 if (sound_num >= 256)
199 MSG_WriteByte (&sv.datagram, svc_sound2);
201 MSG_WriteByte (&sv.datagram, svc_sound);
202 MSG_WriteByte (&sv.datagram, field_mask);
203 if (field_mask & SND_VOLUME)
204 MSG_WriteByte (&sv.datagram, volume);
205 if (field_mask & SND_ATTENUATION)
206 MSG_WriteByte (&sv.datagram, attenuation*64);
207 MSG_WriteShort (&sv.datagram, channel);
208 if (sound_num >= 256)
209 MSG_WriteShort (&sv.datagram, sound_num);
211 MSG_WriteByte (&sv.datagram, sound_num);
212 for (i=0 ; i<3 ; i++)
213 MSG_WriteFloatCoord (&sv.datagram, entity->v.origin[i]+0.5*(entity->v.mins[i]+entity->v.maxs[i]));
217 ==============================================================================
221 ==============================================================================
228 Sends the first message from the server to a connected client.
229 This will be sent on the initial connection and upon each server load.
232 void SV_SendServerinfo (client_t *client)
237 MSG_WriteByte (&client->message, svc_print);
238 sprintf (message, "%c\nDARKPLACES VERSION %4.2f BUILD %i SERVER (%i CRC)", 2, VERSION, buildnumber, pr_crc);
239 MSG_WriteString (&client->message,message);
241 MSG_WriteByte (&client->message, svc_serverinfo);
242 MSG_WriteLong (&client->message, DPPROTOCOL_VERSION);
243 MSG_WriteByte (&client->message, svs.maxclients);
245 if (!coop.value && deathmatch.value)
246 MSG_WriteByte (&client->message, GAME_DEATHMATCH);
248 MSG_WriteByte (&client->message, GAME_COOP);
250 sprintf (message, pr_strings+sv.edicts->v.message);
252 MSG_WriteString (&client->message,message);
254 for (s = sv.model_precache+1 ; *s ; s++)
255 MSG_WriteString (&client->message, *s);
256 MSG_WriteByte (&client->message, 0);
258 for (s = sv.sound_precache+1 ; *s ; s++)
259 MSG_WriteString (&client->message, *s);
260 MSG_WriteByte (&client->message, 0);
263 MSG_WriteByte (&client->message, svc_cdtrack);
264 MSG_WriteByte (&client->message, sv.edicts->v.sounds);
265 MSG_WriteByte (&client->message, sv.edicts->v.sounds);
268 MSG_WriteByte (&client->message, svc_setview);
269 MSG_WriteShort (&client->message, NUM_FOR_EDICT(client->edict));
271 MSG_WriteByte (&client->message, svc_signonnum);
272 MSG_WriteByte (&client->message, 1);
274 client->sendsignon = true;
275 client->spawned = false; // need prespawn, spawn, etc
282 Initializes a client_t for a new net connection. This will only be called
283 once for a player each game, not once for each level change.
286 void SV_ConnectClient (int clientnum)
291 struct qsocket_s *netconnection;
293 float spawn_parms[NUM_SPAWN_PARMS];
295 client = svs.clients + clientnum;
297 Con_DPrintf ("Client %s connected\n", client->netconnection->address);
299 edictnum = clientnum+1;
301 ent = EDICT_NUM(edictnum);
303 // set up the client_t
304 netconnection = client->netconnection;
307 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
308 memset (client, 0, sizeof(*client));
309 client->netconnection = netconnection;
311 strcpy (client->name, "unconnected");
312 client->active = true;
313 client->spawned = false;
315 client->message.data = client->msgbuf;
316 client->message.maxsize = sizeof(client->msgbuf);
317 client->message.allowoverflow = true; // we can catch it
320 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
323 // call the progs to get default spawn parms for the new client
324 PR_ExecuteProgram (pr_global_struct->SetNewParms, "QC function SetNewParms is missing");
325 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
326 client->spawn_parms[i] = (&pr_global_struct->parm1)[i];
329 SV_SendServerinfo (client);
335 SV_CheckForNewClients
339 void SV_CheckForNewClients (void)
341 struct qsocket_s *ret;
345 // check for new connections
349 ret = NET_CheckNewConnections ();
354 // init a new client structure
356 for (i=0 ; i<svs.maxclients ; i++)
357 if (!svs.clients[i].active)
359 if (i == svs.maxclients)
360 Sys_Error ("Host_CheckForNewClients: no free clients");
362 svs.clients[i].netconnection = ret;
363 SV_ConnectClient (i);
365 net_activeconnections++;
372 ===============================================================================
376 ===============================================================================
385 void SV_ClearDatagram (void)
387 SZ_Clear (&sv.datagram);
391 =============================================================================
393 The PVS must include a small area around the client to allow head bobbing
394 or other small motion on the client side. Otherwise, a bob might cause an
395 entity that should be visible to not show up, especially when the bob
398 =============================================================================
402 byte fatpvs[MAX_MAP_LEAFS/8];
404 void SV_AddToFatPVS (vec3_t org, mnode_t *node)
413 // if this is a leaf, accumulate the pvs bits
414 if (node->contents < 0)
416 if (node->contents != CONTENTS_SOLID)
418 pvs = Mod_LeafPVS ( (mleaf_t *)node, sv.worldmodel);
419 for (i=0 ; i<fatbytes ; i++)
426 d = DotProduct (org, plane->normal) - plane->dist;
428 node = node->children[0];
430 node = node->children[1];
433 SV_AddToFatPVS (org, node->children[0]);
434 node = node->children[1];
443 Calculates a PVS that is the inclusive or of all leafs within 8 pixels of the
447 byte *SV_FatPVS (vec3_t org)
449 fatbytes = (sv.worldmodel->numleafs+31)>>3;
450 memset (fatpvs, 0, fatbytes);
451 SV_AddToFatPVS (org, sv.worldmodel->nodes);
455 //=============================================================================
460 SV_WriteEntitiesToClient
464 void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
466 int e, i, clentnum, bits, alpha, glowcolor, glowsize, scale, colormod, modred, modgreen, modblue, dodelta, effects;
468 vec3_t org, origin, angles;
469 float movelerp, moveilerp;
472 entity_state_t *baseline; // LordHavoc: delta or startup baseline
474 // find the client's PVS
475 VectorAdd (clent->v.origin, clent->v.view_ofs, org);
476 pvs = SV_FatPVS (org);
480 MSG_WriteByte(msg, svc_playerposition);
481 MSG_WriteFloat(msg, org[0]);
482 MSG_WriteFloat(msg, org[1]);
483 MSG_WriteFloat(msg, org[2]);
487 clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
488 // send over all entities (except the client) that touch the pvs
489 ent = NEXT_EDICT(sv.edicts);
490 for (e=1 ; e<sv.num_edicts ; e++, ent = NEXT_EDICT(ent))
493 if (ent != clent) // LordHavoc: always send player
495 if ((val = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)) && val->edict)
497 if (val->edict != clentnum)
498 continue; // don't show to anyone else
500 bits |= U_VIEWMODEL; // show relative to the view
504 // LordHavoc: never draw something told not to display to this client
505 if ((val = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)) && val->edict == clentnum)
507 if ((val = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)) && val->edict && val->edict != clentnum)
509 // ignore if not touching a PV leaf
510 for (i=0 ; i < ent->num_leafs ; i++)
511 if (pvs[ent->leafnums[i] >> 3] & (1 << (ent->leafnums[i]&7) ))
514 if (i == ent->num_leafs)
515 continue; // not visible
519 // don't send if flagged for NODRAW and there are no effects
525 effects = ent->v.effects;
527 if ((val = GETEDICTFIELDVALUE(ent, eval_alpha)))
528 if ((alpha = (int) (val->_float * 255.0)) == 0)
530 if ((val = GETEDICTFIELDVALUE(ent, eval_renderamt)) && val->_float != 0) // HalfLife support
531 alpha = (int) val->_float;
532 if (alpha < 0) alpha = 0;
533 if (alpha > 255) alpha = 255;
535 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_size)))
536 glowsize = (int) val->_float >> 2;
537 if (glowsize > 255) glowsize = 255;
538 if (glowsize < 0) glowsize = 0;
540 if ((val = GETEDICTFIELDVALUE(ent, eval_scale)))
541 if ((scale = (int) (val->_float * 16.0)) == 0) scale = 16;
542 if (scale < 0) scale = 0;
543 if (scale > 255) scale = 255;
545 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_trail)))
546 if (val->_float != 0)
549 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_color)))
550 if (val->_float != 0)
551 glowcolor = (int) val->_float;
553 if ((val = GETEDICTFIELDVALUE(ent, eval_fullbright)))
554 if (val->_float != 0)
555 effects |= EF_FULLBRIGHT;
557 if ((val = GETEDICTFIELDVALUE(ent, eval_colormod)))
558 if (val->vector[0] != 0 || val->vector[1] != 0 || val->vector[2] != 0)
560 modred = val->vector[0] * 8.0;if (modred < 0) modred = 0;if (modred > 7) modred = 7;
561 modgreen = val->vector[1] * 8.0;if (modgreen < 0) modgreen = 0;if (modgreen > 7) modgreen = 7;
562 modblue = val->vector[2] * 4.0;if (modblue < 0) modblue = 0;if (modblue > 3) modblue = 3;
563 colormod = (modred << 5) | (modgreen << 2) | modblue;
568 if (glowsize == 0 && bits == 0) // no effects
570 if (ent->v.modelindex && pr_strings[ent->v.model]) // model
572 if (sv.models[ (int)ent->v.modelindex ]->flags == 0 && (ent->v.effects == EF_NODRAW || scale <= 0 || alpha <= 0))
575 else // no model and no effects
580 if (msg->maxsize - msg->cursize < 32) // LordHavoc: increased check from 16 to 32
582 Con_Printf ("packet overflow\n");
590 if ((int)ent->v.effects & EF_DELTA)
591 dodelta = realtime < client->nextfullupdate[e]; // every half second a full update is forced
596 baseline = &ent->deltabaseline;
600 client->nextfullupdate[e] = realtime + 0.5;
601 baseline = &ent->baseline;
605 bits |= U_LONGENTITY;
606 if (ent->v.movetype == MOVETYPE_STEP)
609 if (ent->v.movetype == MOVETYPE_STEP && ((int) ent->v.flags & (FL_ONGROUND | FL_FLY | FL_SWIM))) // monsters have smoothed walking/flying/swimming movement
611 if (!ent->steplerptime || ent->steplerptime > sv.time) // when the level just started...
613 ent->steplerptime = sv.time;
614 VectorCopy(ent->v.origin, ent->stepoldorigin);
615 VectorCopy(ent->v.angles, ent->stepoldangles);
616 VectorCopy(ent->v.origin, ent->steporigin);
617 VectorCopy(ent->v.angles, ent->stepangles);
619 VectorSubtract(ent->v.origin, ent->steporigin, origin);
620 VectorSubtract(ent->v.angles, ent->stepangles, angles);
621 if (DotProduct(origin, origin) >= 0.125 || DotProduct(angles, angles) >= 1.4)
623 // update lerp positions
624 ent->steplerptime = sv.time;
625 VectorCopy(ent->steporigin, ent->stepoldorigin);
626 VectorCopy(ent->stepangles, ent->stepoldangles);
627 VectorCopy(ent->v.origin, ent->steporigin);
628 VectorCopy(ent->v.angles, ent->stepangles);
630 movelerp = (sv.time - ent->steplerptime) * 10.0;
631 if (movelerp > 1) movelerp = 1;
632 moveilerp = 1 - movelerp;
633 origin[0] = ent->stepoldorigin[0] * moveilerp + ent->steporigin[0] * movelerp;
634 origin[1] = ent->stepoldorigin[1] * moveilerp + ent->steporigin[1] * movelerp;
635 origin[2] = ent->stepoldorigin[2] * moveilerp + ent->steporigin[2] * movelerp;
636 // choose shortest rotate (to avoid 'spin around' situations)
637 VectorSubtract(ent->stepangles, ent->stepoldangles, angles);
638 if (angles[0] < -180) angles[0] += 360;if (angles[0] >= 180) angles[0] -= 360;
639 if (angles[1] < -180) angles[1] += 360;if (angles[1] >= 180) angles[1] -= 360;
640 if (angles[2] < -180) angles[2] += 360;if (angles[2] >= 180) angles[2] -= 360;
641 angles[0] = angles[0] * movelerp + ent->stepoldangles[0];
642 angles[1] = angles[1] * movelerp + ent->stepoldangles[1];
643 angles[2] = angles[2] * movelerp + ent->stepoldangles[2];
644 VectorMA(origin, host_client->latency, ent->v.velocity, origin);
646 else // copy as they are
648 // VectorCopy(ent->v.origin, origin);
649 VectorCopy(ent->v.angles, angles);
650 VectorMA(ent->v.origin, host_client->latency, ent->v.velocity, origin);
651 if (ent->v.movetype == MOVETYPE_STEP) // monster, but airborn, update lerp info
653 // update lerp positions
654 ent->steplerptime = sv.time;
655 VectorCopy(ent->v.origin, ent->stepoldorigin);
656 VectorCopy(ent->v.angles, ent->stepoldangles);
657 VectorCopy(ent->v.origin, ent->steporigin);
658 VectorCopy(ent->v.angles, ent->stepangles);
662 // LordHavoc: old stuff, but rewritten to have more exact tolerances
663 // if ((int)(origin[0]*8.0) != (int)(baseline->origin[0]*8.0)) bits |= U_ORIGIN1;
664 // if ((int)(origin[1]*8.0) != (int)(baseline->origin[1]*8.0)) bits |= U_ORIGIN2;
665 // if ((int)(origin[2]*8.0) != (int)(baseline->origin[2]*8.0)) bits |= U_ORIGIN3;
666 if (origin[0] != baseline->origin[0]) bits |= U_ORIGIN1;
667 if (origin[1] != baseline->origin[1]) bits |= U_ORIGIN2;
668 if (origin[2] != baseline->origin[2]) bits |= U_ORIGIN3;
669 if ((int)(angles[0]*(256.0/360.0)) != (int)(baseline->angles[0]*(256.0/360.0))) bits |= U_ANGLE1;
670 if ((int)(angles[1]*(256.0/360.0)) != (int)(baseline->angles[1]*(256.0/360.0))) bits |= U_ANGLE2;
671 if ((int)(angles[2]*(256.0/360.0)) != (int)(baseline->angles[2]*(256.0/360.0))) bits |= U_ANGLE3;
672 if (baseline->colormap != (byte) ent->v.colormap) bits |= U_COLORMAP;
673 if (baseline->skin != (byte) ent->v.skin) bits |= U_SKIN;
674 if ((baseline->frame & 0x00FF) != ((int) ent->v.frame & 0x00FF)) bits |= U_FRAME;
675 if ((baseline->effects & 0x00FF) != ((int) ent->v.effects & 0x00FF)) bits |= U_EFFECTS;
676 if (baseline->modelindex != (byte) ent->v.modelindex) bits |= U_MODEL;
678 // LordHavoc: new stuff
679 if (baseline->alpha != alpha) bits |= U_ALPHA;
680 if (baseline->scale != scale) bits |= U_SCALE;
681 if (((int) baseline->effects & 0xFF00) != ((int) ent->v.effects & 0xFF00)) bits |= U_EFFECTS2;
682 if (baseline->glowsize != glowsize) bits |= U_GLOWSIZE;
683 if (baseline->glowcolor != glowcolor) bits |= U_GLOWCOLOR;
684 if (baseline->colormod != colormod) bits |= U_COLORMOD;
685 if (((int) baseline->frame & 0xFF00) != ((int) ent->v.frame & 0xFF00)) bits |= U_FRAME2;
686 if (((int) baseline->frame & 0xFF00) != ((int) ent->v.modelindex & 0xFF00)) bits |= U_MODEL2;
688 // update delta baseline
689 VectorCopy(ent->v.origin, ent->deltabaseline.origin);
690 VectorCopy(ent->v.angles, ent->deltabaseline.angles);
691 ent->deltabaseline.colormap = ent->v.colormap;
692 ent->deltabaseline.skin = ent->v.skin;
693 ent->deltabaseline.frame = ent->v.frame;
694 ent->deltabaseline.effects = ent->v.effects;
695 ent->deltabaseline.modelindex = ent->v.modelindex;
696 ent->deltabaseline.alpha = alpha;
697 ent->deltabaseline.scale = scale;
698 ent->deltabaseline.glowsize = glowsize;
699 ent->deltabaseline.glowcolor = glowcolor;
700 ent->deltabaseline.colormod = colormod;
703 if (bits >= 16777216)
711 MSG_WriteByte (msg, bits);
712 if (bits & U_MOREBITS)
713 MSG_WriteByte (msg, bits>>8);
714 // LordHavoc: extend bytes have to be written here due to delta compression
715 if (bits & U_EXTEND1)
716 MSG_WriteByte (msg, bits>>16);
717 if (bits & U_EXTEND2)
718 MSG_WriteByte (msg, bits>>24);
720 // LordHavoc: old stuff
721 if (bits & U_LONGENTITY)
722 MSG_WriteShort (msg,e);
724 MSG_WriteByte (msg,e);
725 if (bits & U_MODEL) MSG_WriteByte (msg, ent->v.modelindex);
726 if (bits & U_FRAME) MSG_WriteByte (msg, ent->v.frame);
727 if (bits & U_COLORMAP) MSG_WriteByte (msg, ent->v.colormap);
728 if (bits & U_SKIN) MSG_WriteByte (msg, ent->v.skin);
729 if (bits & U_EFFECTS) MSG_WriteByte (msg, ent->v.effects);
730 if (bits & U_ORIGIN1) MSG_WriteFloatCoord (msg, origin[0]);
731 if (bits & U_ANGLE1) MSG_WriteAngle(msg, angles[0]);
732 if (bits & U_ORIGIN2) MSG_WriteFloatCoord (msg, origin[1]);
733 if (bits & U_ANGLE2) MSG_WriteAngle(msg, angles[1]);
734 if (bits & U_ORIGIN3) MSG_WriteFloatCoord (msg, origin[2]);
735 if (bits & U_ANGLE3) MSG_WriteAngle(msg, angles[2]);
737 // LordHavoc: new stuff
738 if (bits & U_ALPHA) MSG_WriteByte(msg, alpha);
739 if (bits & U_SCALE) MSG_WriteByte(msg, scale);
740 if (bits & U_EFFECTS2) MSG_WriteByte(msg, (int)ent->v.effects >> 8);
741 if (bits & U_GLOWSIZE) MSG_WriteByte(msg, glowsize);
742 if (bits & U_GLOWCOLOR) MSG_WriteByte(msg, glowcolor);
743 if (bits & U_COLORMOD) MSG_WriteByte(msg, colormod);
744 if (bits & U_FRAME2) MSG_WriteByte(msg, (int)ent->v.frame >> 8);
745 if (bits & U_MODEL2) MSG_WriteByte(msg, (int)ent->v.modelindex >> 8);
755 void SV_CleanupEnts (void)
760 ent = NEXT_EDICT(sv.edicts);
761 for (e=1 ; e<sv.num_edicts ; e++, ent = NEXT_EDICT(ent))
763 ent->v.effects = (int)ent->v.effects & ~EF_MUZZLEFLASH;
770 SV_WriteClientdataToMessage
774 void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
784 // send a damage message
786 if (ent->v.dmg_take || ent->v.dmg_save)
788 other = PROG_TO_EDICT(ent->v.dmg_inflictor);
789 MSG_WriteByte (msg, svc_damage);
790 MSG_WriteByte (msg, ent->v.dmg_save);
791 MSG_WriteByte (msg, ent->v.dmg_take);
792 for (i=0 ; i<3 ; i++)
793 MSG_WriteFloatCoord (msg, other->v.origin[i] + 0.5*(other->v.mins[i] + other->v.maxs[i]));
800 // send the current viewpos offset from the view entity
802 SV_SetIdealPitch (); // how much to look up / down ideally
804 // a fixangle might get lost in a dropped packet. Oh well.
805 if ( ent->v.fixangle )
807 MSG_WriteByte (msg, svc_setangle);
808 for (i=0 ; i < 3 ; i++)
809 MSG_WriteAngle (msg, ent->v.angles[i] );
815 if (ent->v.view_ofs[2] != DEFAULT_VIEWHEIGHT)
816 bits |= SU_VIEWHEIGHT;
818 if (ent->v.idealpitch)
819 bits |= SU_IDEALPITCH;
821 // stuff the sigil bits into the high bits of items for sbar, or else
823 val = GETEDICTFIELDVALUE(ent, eval_items2);
826 items = (int)ent->v.items | ((int)val->_float << 23);
828 items = (int)ent->v.items | ((int)pr_global_struct->serverflags << 28);
832 if ( (int)ent->v.flags & FL_ONGROUND)
835 if ( ent->v.waterlevel >= 2)
839 VectorClear(punchvector);
840 if ((val = GETEDICTFIELDVALUE(ent, eval_punchvector)))
841 VectorCopy(val->vector, punchvector);
843 for (i=0 ; i<3 ; i++)
845 if (ent->v.punchangle[i])
846 bits |= (SU_PUNCH1<<i);
847 if (punchvector[i]) // dpprotocol
848 bits |= (SU_PUNCHVEC1<<i); // dpprotocol
849 if (ent->v.velocity[i])
850 bits |= (SU_VELOCITY1<<i);
853 if (ent->v.weaponframe)
854 bits |= SU_WEAPONFRAME;
856 if (ent->v.armorvalue)
859 // if (ent->v.weapon)
864 if (bits >= 16777216)
869 MSG_WriteByte (msg, svc_clientdata);
870 MSG_WriteShort (msg, bits);
871 if (bits & SU_EXTEND1)
872 MSG_WriteByte(msg, bits >> 16);
873 if (bits & SU_EXTEND2)
874 MSG_WriteByte(msg, bits >> 24);
876 if (bits & SU_VIEWHEIGHT)
877 MSG_WriteChar (msg, ent->v.view_ofs[2]);
879 if (bits & SU_IDEALPITCH)
880 MSG_WriteChar (msg, ent->v.idealpitch);
882 for (i=0 ; i<3 ; i++)
884 if (bits & (SU_PUNCH1<<i))
885 MSG_WritePreciseAngle(msg, ent->v.punchangle[i]); // dpprotocol
886 if (bits & (SU_PUNCHVEC1<<i)) // dpprotocol
887 MSG_WriteFloatCoord(msg, punchvector[i]); // dpprotocol
888 if (bits & (SU_VELOCITY1<<i))
889 MSG_WriteChar (msg, ent->v.velocity[i]/16);
892 // [always sent] if (bits & SU_ITEMS)
893 MSG_WriteLong (msg, items);
895 if (bits & SU_WEAPONFRAME)
896 MSG_WriteByte (msg, ent->v.weaponframe);
898 MSG_WriteByte (msg, ent->v.armorvalue);
899 if (bits & SU_WEAPON)
900 MSG_WriteByte (msg, SV_ModelIndex(pr_strings+ent->v.weaponmodel));
902 MSG_WriteShort (msg, ent->v.health);
903 MSG_WriteByte (msg, ent->v.currentammo);
904 MSG_WriteByte (msg, ent->v.ammo_shells);
905 MSG_WriteByte (msg, ent->v.ammo_nails);
906 MSG_WriteByte (msg, ent->v.ammo_rockets);
907 MSG_WriteByte (msg, ent->v.ammo_cells);
911 MSG_WriteByte (msg, ent->v.weapon);
917 if ( ((int)ent->v.weapon) & (1<<i) )
919 MSG_WriteByte (msg, i);
927 =======================
928 SV_SendClientDatagram
929 =======================
931 qboolean SV_SendClientDatagram (client_t *client)
933 byte buf[MAX_DATAGRAM];
937 msg.maxsize = sizeof(buf);
940 MSG_WriteByte (&msg, svc_time);
941 MSG_WriteFloat (&msg, sv.time);
943 // add the client specific data to the datagram
944 SV_WriteClientdataToMessage (client->edict, &msg);
946 SV_WriteEntitiesToClient (client, client->edict, &msg);
948 // copy the server datagram if there is space
949 if (msg.cursize + sv.datagram.cursize < msg.maxsize)
950 SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
953 if (NET_SendUnreliableMessage (client->netconnection, &msg) == -1)
955 SV_DropClient (true);// if the message couldn't send, kick off
963 =======================
964 SV_UpdateToReliableMessages
965 =======================
967 void SV_UpdateToReliableMessages (void)
972 // check for changes to be sent over the reliable streams
973 for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
975 if (host_client->old_frags != host_client->edict->v.frags)
977 for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
981 MSG_WriteByte (&client->message, svc_updatefrags);
982 MSG_WriteByte (&client->message, i);
983 MSG_WriteShort (&client->message, host_client->edict->v.frags);
986 host_client->old_frags = host_client->edict->v.frags;
990 for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
994 SZ_Write (&client->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
997 SZ_Clear (&sv.reliable_datagram);
1002 =======================
1005 Send a nop message without trashing or sending the accumulated client
1007 =======================
1009 void SV_SendNop (client_t *client)
1015 msg.maxsize = sizeof(buf);
1018 MSG_WriteChar (&msg, svc_nop);
1020 if (NET_SendUnreliableMessage (client->netconnection, &msg) == -1)
1021 SV_DropClient (true); // if the message couldn't send, kick off
1022 client->last_message = realtime;
1026 =======================
1027 SV_SendClientMessages
1028 =======================
1030 void SV_SendClientMessages (void)
1034 // update frags, names, etc
1035 SV_UpdateToReliableMessages ();
1037 // build individual updates
1038 for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1040 if (!host_client->active)
1043 if (host_client->spawned)
1045 if (!SV_SendClientDatagram (host_client))
1050 // the player isn't totally in the game yet
1051 // send small keepalive messages if too much time has passed
1052 // send a full message when the next signon stage has been requested
1053 // some other message data (name changes, etc) may accumulate
1054 // between signon stages
1055 if (!host_client->sendsignon)
1057 if (realtime - host_client->last_message > 5)
1058 SV_SendNop (host_client);
1059 continue; // don't send out non-signon messages
1063 // check for an overflowed message. Should only happen
1064 // on a very fucked up connection that backs up a lot, then
1066 if (host_client->message.overflowed)
1068 SV_DropClient (true);
1069 host_client->message.overflowed = false;
1073 if (host_client->message.cursize || host_client->dropasap)
1075 if (!NET_CanSendMessage (host_client->netconnection))
1077 // I_Printf ("can't write\n");
1081 if (host_client->dropasap)
1082 SV_DropClient (false); // went to another level
1085 if (NET_SendMessage (host_client->netconnection, &host_client->message) == -1)
1086 SV_DropClient (true); // if the message couldn't send, kick off
1087 SZ_Clear (&host_client->message);
1088 host_client->last_message = realtime;
1089 host_client->sendsignon = false;
1095 // clear muzzle flashes
1101 ==============================================================================
1105 ==============================================================================
1114 int SV_ModelIndex (char *name)
1118 if (!name || !name[0])
1121 for (i=0 ; i<MAX_MODELS && sv.model_precache[i] ; i++)
1122 if (!strcmp(sv.model_precache[i], name))
1124 if (i==MAX_MODELS || !sv.model_precache[i])
1125 Host_Error ("SV_ModelIndex: model %s not precached", name);
1135 void SV_CreateBaseline (void)
1141 for (entnum = 0; entnum < sv.num_edicts ; entnum++)
1143 // get the current server version
1144 svent = EDICT_NUM(entnum);
1147 if (entnum > svs.maxclients && !svent->v.modelindex)
1151 // create entity baseline
1153 VectorCopy (svent->v.origin, svent->baseline.origin);
1154 VectorCopy (svent->v.angles, svent->baseline.angles);
1155 svent->baseline.frame = svent->v.frame;
1156 svent->baseline.skin = svent->v.skin;
1157 if (entnum > 0 && entnum <= svs.maxclients)
1159 svent->baseline.colormap = entnum;
1160 svent->baseline.modelindex = SV_ModelIndex("progs/player.mdl");
1164 svent->baseline.colormap = 0;
1165 svent->baseline.modelindex =
1166 SV_ModelIndex(pr_strings + svent->v.model);
1168 svent->baseline.alpha = 255;
1169 svent->baseline.scale = 16;
1170 svent->baseline.glowsize = 0;
1171 svent->baseline.glowcolor = 254;
1172 svent->baseline.colormod = 255;
1175 // add to the message
1177 MSG_WriteByte (&sv.signon,svc_spawnbaseline);
1178 MSG_WriteShort (&sv.signon,entnum);
1180 MSG_WriteByte (&sv.signon, svent->baseline.modelindex);
1181 MSG_WriteByte (&sv.signon, svent->baseline.frame);
1182 MSG_WriteByte (&sv.signon, svent->baseline.colormap);
1183 MSG_WriteByte (&sv.signon, svent->baseline.skin);
1184 for (i=0 ; i<3 ; i++)
1186 MSG_WriteFloatCoord(&sv.signon, svent->baseline.origin[i]);
1187 MSG_WriteAngle(&sv.signon, svent->baseline.angles[i]);
1197 Tell all the clients that the server is changing levels
1200 void SV_SendReconnect (void)
1207 msg.maxsize = sizeof(data);
1209 MSG_WriteChar (&msg, svc_stufftext);
1210 MSG_WriteString (&msg, "reconnect\n");
1211 NET_SendToAll (&msg, 5);
1213 if (cls.state != ca_dedicated)
1214 Cmd_ExecuteString ("reconnect\n", src_command);
1222 Grabs the current state of each client for saving across the
1223 transition to another level
1226 void SV_SaveSpawnparms (void)
1230 svs.serverflags = pr_global_struct->serverflags;
1232 for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1234 if (!host_client->active)
1237 // call the progs to get default spawn parms for the new client
1238 pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
1239 PR_ExecuteProgram (pr_global_struct->SetChangeParms, "QC function SetChangeParms is missing");
1240 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1241 host_client->spawn_parms[j] = (&pr_global_struct->parm1)[j];
1245 qboolean isworldmodel;
1251 This is called at the start of each level
1254 extern float scr_centertime_off;
1256 void SV_SpawnServer (char *server)
1261 // let's not have any servers with no name
1262 if (hostname.string[0] == 0)
1263 Cvar_Set ("hostname", "UNNAMED");
1264 scr_centertime_off = 0;
1266 Con_DPrintf ("SpawnServer: %s\n",server);
1267 svs.changelevel_issued = false; // now safe to issue another
1270 // tell all connected clients that we are going to a new level
1274 SV_SendReconnect ();
1278 // make cvars consistant
1281 Cvar_SetValue ("deathmatch", 0);
1282 current_skill = (int)(skill.value + 0.5);
1283 if (current_skill < 0)
1285 if (current_skill > 3)
1288 Cvar_SetValue ("skill", (float)current_skill);
1291 // set up the new server
1293 Host_ClearMemory ();
1295 memset (&sv, 0, sizeof(sv));
1297 strcpy (sv.name, server);
1299 // load progs to get entity field count
1302 // allocate server memory
1303 sv.max_edicts = MAX_EDICTS;
1305 sv.edicts = Hunk_AllocName (sv.max_edicts*pr_edict_size, "edicts");
1307 sv.datagram.maxsize = sizeof(sv.datagram_buf);
1308 sv.datagram.cursize = 0;
1309 sv.datagram.data = sv.datagram_buf;
1311 sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1312 sv.reliable_datagram.cursize = 0;
1313 sv.reliable_datagram.data = sv.reliable_datagram_buf;
1315 sv.signon.maxsize = sizeof(sv.signon_buf);
1316 sv.signon.cursize = 0;
1317 sv.signon.data = sv.signon_buf;
1319 // leave slots at start for clients only
1320 sv.num_edicts = svs.maxclients+1;
1321 for (i=0 ; i<svs.maxclients ; i++)
1323 ent = EDICT_NUM(i+1);
1324 svs.clients[i].edict = ent;
1327 sv.state = ss_loading;
1332 strcpy (sv.name, server);
1333 sprintf (sv.modelname,"maps/%s.bsp", server);
1334 isworldmodel = true; // LordHavoc: only load submodels on the world model
1335 sv.worldmodel = Mod_ForName (sv.modelname, false);
1336 isworldmodel = false;
1339 Con_Printf ("Couldn't spawn server %s\n", sv.modelname);
1343 sv.models[1] = sv.worldmodel;
1346 // clear world interaction links
1350 sv.sound_precache[0] = pr_strings;
1352 sv.model_precache[0] = pr_strings;
1353 sv.model_precache[1] = sv.modelname;
1354 for (i=1 ; i<sv.worldmodel->numsubmodels ; i++)
1356 sv.model_precache[1+i] = localmodels[i];
1357 sv.models[i+1] = Mod_ForName (localmodels[i], false);
1361 // load the rest of the entities
1364 memset (&ent->v, 0, progs->entityfields * 4);
1366 ent->v.model = sv.worldmodel->name - pr_strings;
1367 ent->v.modelindex = 1; // world model
1368 ent->v.solid = SOLID_BSP;
1369 ent->v.movetype = MOVETYPE_PUSH;
1370 ent->v.angles[0] = ent->v.angles[1] = ent->v.angles[2] = 0;
1373 pr_global_struct->coop = coop.value;
1375 pr_global_struct->deathmatch = deathmatch.value;
1377 pr_global_struct->mapname = sv.name - pr_strings;
1379 // serverflags are for cross level information (sigils)
1380 pr_global_struct->serverflags = svs.serverflags;
1382 ED_LoadFromFile (sv.worldmodel->entities);
1383 // LordHavoc: clear world angles (to fix e3m3.bsp)
1384 sv.edicts->v.angles[0] = sv.edicts->v.angles[1] = sv.edicts->v.angles[2] = 0;
1388 // all setup is completed, any further precache statements are errors
1389 sv.state = ss_active;
1391 // run two frames to allow everything to settle
1392 sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
1396 // create a baseline for more efficient communications
1397 SV_CreateBaseline ();
1399 // send serverinfo to all connected clients
1400 for (i=0,host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1401 if (host_client->active)
1402 SV_SendServerinfo (host_client);
1404 Con_DPrintf ("Server spawned.\n");