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 extern cvar_t sv_deltacompress;
31 //============================================================================
41 extern cvar_t sv_maxvelocity;
42 extern cvar_t sv_gravity;
43 extern cvar_t sv_nostep;
44 extern cvar_t sv_friction;
45 extern cvar_t sv_edgefriction;
46 extern cvar_t sv_stopspeed;
47 extern cvar_t sv_maxspeed;
48 extern cvar_t sv_accelerate;
49 extern cvar_t sv_idealpitchscale;
51 extern cvar_t sv_predict;
53 Cvar_RegisterVariable (&sv_maxvelocity);
54 Cvar_RegisterVariable (&sv_gravity);
55 Cvar_RegisterVariable (&sv_friction);
56 Cvar_RegisterVariable (&sv_edgefriction);
57 Cvar_RegisterVariable (&sv_stopspeed);
58 Cvar_RegisterVariable (&sv_maxspeed);
59 Cvar_RegisterVariable (&sv_accelerate);
60 Cvar_RegisterVariable (&sv_idealpitchscale);
61 Cvar_RegisterVariable (&sv_aim);
62 Cvar_RegisterVariable (&sv_nostep);
63 Cvar_RegisterVariable (&sv_predict);
64 Cvar_RegisterVariable (&sv_deltacompress);
66 for (i=0 ; i<MAX_MODELS ; i++)
67 sprintf (localmodels[i], "*%i", i);
71 =============================================================================
75 =============================================================================
82 Make sure the event gets sent to all clients
85 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
89 if (sv.datagram.cursize > MAX_DATAGRAM-16)
91 MSG_WriteByte (&sv.datagram, svc_particle);
92 MSG_WriteFloatCoord (&sv.datagram, org[0]);
93 MSG_WriteFloatCoord (&sv.datagram, org[1]);
94 MSG_WriteFloatCoord (&sv.datagram, org[2]);
102 MSG_WriteChar (&sv.datagram, v);
104 MSG_WriteByte (&sv.datagram, count);
105 MSG_WriteByte (&sv.datagram, color);
112 Make sure the event gets sent to all clients
115 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
117 if (sv.datagram.cursize > MAX_DATAGRAM-18)
119 if (modelindex >= 256 || startframe >= 256)
121 MSG_WriteByte (&sv.datagram, svc_effect2);
122 MSG_WriteFloatCoord (&sv.datagram, org[0]);
123 MSG_WriteFloatCoord (&sv.datagram, org[1]);
124 MSG_WriteFloatCoord (&sv.datagram, org[2]);
125 MSG_WriteShort (&sv.datagram, modelindex);
126 MSG_WriteShort (&sv.datagram, startframe);
127 MSG_WriteByte (&sv.datagram, framecount);
128 MSG_WriteByte (&sv.datagram, framerate);
132 MSG_WriteByte (&sv.datagram, svc_effect);
133 MSG_WriteFloatCoord (&sv.datagram, org[0]);
134 MSG_WriteFloatCoord (&sv.datagram, org[1]);
135 MSG_WriteFloatCoord (&sv.datagram, org[2]);
136 MSG_WriteByte (&sv.datagram, modelindex);
137 MSG_WriteByte (&sv.datagram, startframe);
138 MSG_WriteByte (&sv.datagram, framecount);
139 MSG_WriteByte (&sv.datagram, framerate);
147 Each entity can have eight independant sound sources, like voice,
150 Channel 0 is an auto-allocate channel, the others override anything
151 already running on that entity/channel pair.
153 An attenuation of 0 will play full volume everywhere in the level.
154 Larger attenuations will drop off. (max 4 attenuation)
158 void SV_StartSound (edict_t *entity, int channel, char *sample, int volume,
166 if (volume < 0 || volume > 255)
167 Host_Error ("SV_StartSound: volume = %i", volume);
169 if (attenuation < 0 || attenuation > 4)
170 Host_Error ("SV_StartSound: attenuation = %f", attenuation);
172 if (channel < 0 || channel > 7)
173 Host_Error ("SV_StartSound: channel = %i", channel);
175 if (sv.datagram.cursize > MAX_DATAGRAM-16)
178 // find precache number for sound
179 for (sound_num=1 ; sound_num<MAX_SOUNDS
180 && sv.sound_precache[sound_num] ; sound_num++)
181 if (!strcmp(sample, sv.sound_precache[sound_num]))
184 if ( sound_num == MAX_SOUNDS || !sv.sound_precache[sound_num] )
186 Con_Printf ("SV_StartSound: %s not precached\n", sample);
190 ent = NUM_FOR_EDICT(entity);
192 channel = (ent<<3) | channel;
195 if (volume != DEFAULT_SOUND_PACKET_VOLUME)
196 field_mask |= SND_VOLUME;
197 if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
198 field_mask |= SND_ATTENUATION;
200 // directed messages go only to the entity they are targeted on
201 if (sound_num >= 256)
202 MSG_WriteByte (&sv.datagram, svc_sound2);
204 MSG_WriteByte (&sv.datagram, svc_sound);
205 MSG_WriteByte (&sv.datagram, field_mask);
206 if (field_mask & SND_VOLUME)
207 MSG_WriteByte (&sv.datagram, volume);
208 if (field_mask & SND_ATTENUATION)
209 MSG_WriteByte (&sv.datagram, attenuation*64);
210 MSG_WriteShort (&sv.datagram, channel);
211 if (sound_num >= 256)
212 MSG_WriteShort (&sv.datagram, sound_num);
214 MSG_WriteByte (&sv.datagram, sound_num);
215 for (i=0 ; i<3 ; i++)
216 MSG_WriteFloatCoord (&sv.datagram, entity->v.origin[i]+0.5*(entity->v.mins[i]+entity->v.maxs[i]));
220 ==============================================================================
224 ==============================================================================
231 Sends the first message from the server to a connected client.
232 This will be sent on the initial connection and upon each server load.
235 void SV_SendServerinfo (client_t *client)
240 MSG_WriteByte (&client->message, svc_print);
241 sprintf (message, "%c\nDARKPLACES VERSION %4.2f BUILD %i SERVER (%i CRC)", 2, VERSION, buildnumber, pr_crc);
242 MSG_WriteString (&client->message,message);
244 MSG_WriteByte (&client->message, svc_serverinfo);
245 MSG_WriteLong (&client->message, DPPROTOCOL_VERSION);
246 MSG_WriteByte (&client->message, svs.maxclients);
248 if (!coop.value && deathmatch.value)
249 MSG_WriteByte (&client->message, GAME_DEATHMATCH);
251 MSG_WriteByte (&client->message, GAME_COOP);
253 sprintf (message, pr_strings+sv.edicts->v.message);
255 MSG_WriteString (&client->message,message);
257 for (s = sv.model_precache+1 ; *s ; s++)
258 MSG_WriteString (&client->message, *s);
259 MSG_WriteByte (&client->message, 0);
261 for (s = sv.sound_precache+1 ; *s ; s++)
262 MSG_WriteString (&client->message, *s);
263 MSG_WriteByte (&client->message, 0);
266 MSG_WriteByte (&client->message, svc_cdtrack);
267 MSG_WriteByte (&client->message, sv.edicts->v.sounds);
268 MSG_WriteByte (&client->message, sv.edicts->v.sounds);
271 MSG_WriteByte (&client->message, svc_setview);
272 MSG_WriteShort (&client->message, NUM_FOR_EDICT(client->edict));
274 MSG_WriteByte (&client->message, svc_signonnum);
275 MSG_WriteByte (&client->message, 1);
277 client->sendsignon = true;
278 client->spawned = false; // need prespawn, spawn, etc
285 Initializes a client_t for a new net connection. This will only be called
286 once for a player each game, not once for each level change.
289 void SV_ConnectClient (int clientnum)
294 struct qsocket_s *netconnection;
296 float spawn_parms[NUM_SPAWN_PARMS];
298 client = svs.clients + clientnum;
300 Con_DPrintf ("Client %s connected\n", client->netconnection->address);
302 edictnum = clientnum+1;
304 ent = EDICT_NUM(edictnum);
306 // set up the client_t
307 netconnection = client->netconnection;
310 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
311 memset (client, 0, sizeof(*client));
312 client->netconnection = netconnection;
314 strcpy (client->name, "unconnected");
315 client->active = true;
316 client->spawned = false;
318 client->message.data = client->msgbuf;
319 client->message.maxsize = sizeof(client->msgbuf);
320 client->message.allowoverflow = true; // we can catch it
323 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
326 // call the progs to get default spawn parms for the new client
327 PR_ExecuteProgram (pr_global_struct->SetNewParms, "QC function SetNewParms is missing");
328 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
329 client->spawn_parms[i] = (&pr_global_struct->parm1)[i];
332 SV_SendServerinfo (client);
338 SV_CheckForNewClients
342 void SV_CheckForNewClients (void)
344 struct qsocket_s *ret;
348 // check for new connections
352 ret = NET_CheckNewConnections ();
357 // init a new client structure
359 for (i=0 ; i<svs.maxclients ; i++)
360 if (!svs.clients[i].active)
362 if (i == svs.maxclients)
363 Sys_Error ("Host_CheckForNewClients: no free clients");
365 svs.clients[i].netconnection = ret;
366 SV_ConnectClient (i);
368 net_activeconnections++;
375 ===============================================================================
379 ===============================================================================
388 void SV_ClearDatagram (void)
390 SZ_Clear (&sv.datagram);
394 =============================================================================
396 The PVS must include a small area around the client to allow head bobbing
397 or other small motion on the client side. Otherwise, a bob might cause an
398 entity that should be visible to not show up, especially when the bob
401 =============================================================================
405 byte fatpvs[MAX_MAP_LEAFS/8];
407 void SV_AddToFatPVS (vec3_t org, mnode_t *node)
416 // if this is a leaf, accumulate the pvs bits
417 if (node->contents < 0)
419 if (node->contents != CONTENTS_SOLID)
421 pvs = Mod_LeafPVS ( (mleaf_t *)node, sv.worldmodel);
422 for (i=0 ; i<fatbytes ; i++)
429 d = DotProduct (org, plane->normal) - plane->dist;
431 node = node->children[0];
433 node = node->children[1];
436 SV_AddToFatPVS (org, node->children[0]);
437 node = node->children[1];
446 Calculates a PVS that is the inclusive or of all leafs within 8 pixels of the
450 byte *SV_FatPVS (vec3_t org)
452 fatbytes = (sv.worldmodel->numleafs+31)>>3;
453 memset (fatpvs, 0, fatbytes);
454 SV_AddToFatPVS (org, sv.worldmodel->nodes);
458 //=============================================================================
463 SV_WriteEntitiesToClient
467 void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
469 int e, i, clentnum, bits, alpha, glowcolor, glowsize, scale, colormod, effects;
471 vec3_t org, origin, angles;
472 float movelerp, moveilerp, nextfullupdate;
475 entity_state_t *baseline; // LordHavoc: delta or startup baseline
477 // find the client's PVS
478 VectorAdd (clent->v.origin, clent->v.view_ofs, org);
479 pvs = SV_FatPVS (org);
483 MSG_WriteByte(msg, svc_playerposition);
484 MSG_WriteFloat(msg, org[0]);
485 MSG_WriteFloat(msg, org[1]);
486 MSG_WriteFloat(msg, org[2]);
490 clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
491 // send over all entities (except the client) that touch the pvs
492 ent = NEXT_EDICT(sv.edicts);
493 for (e = 1;e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
497 // prevent delta compression against this frame (unless actually sent, which will restore this later)
498 nextfullupdate = client->nextfullupdate[e];
499 client->nextfullupdate[e] = -1;
501 if (ent != clent) // LordHavoc: always send player
503 if ((val = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)) && val->edict)
505 if (val->edict != clentnum)
507 // don't show to anyone else
511 bits |= U_VIEWMODEL; // show relative to the view
515 // LordHavoc: never draw something told not to display to this client
516 if ((val = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)) && val->edict == clentnum)
518 if ((val = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)) && val->edict && val->edict != clentnum)
520 // ignore if not touching a PV leaf
521 for (i = 0;i < ent->num_leafs;i++)
522 if (pvs[ent->leafnums[i] >> 3] & (1 << (ent->leafnums[i]&7) ))
525 if (i == ent->num_leafs)
533 if ((val = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)) && val->edict == clentnum)
534 bits = bits | U_EXTERIORMODEL;
536 // don't send if flagged for NODRAW and there are no effects
542 effects = ent->v.effects;
544 if ((val = GETEDICTFIELDVALUE(ent, eval_alpha)))
545 if (val->_float != 0)
546 alpha = (int) (val->_float * 255.0);
549 if ((val = GETEDICTFIELDVALUE(ent, eval_renderamt)))
550 if (val->_float != 0)
551 alpha = (int) val->_float;
555 alpha = bound(0, alpha, 255);
557 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_size)))
558 glowsize = (int) val->_float >> 2;
559 if (glowsize > 255) glowsize = 255;
560 if (glowsize < 0) glowsize = 0;
562 if ((val = GETEDICTFIELDVALUE(ent, eval_scale)))
563 if ((scale = (int) (val->_float * 16.0)) == 0) scale = 16;
564 if (scale < 0) scale = 0;
565 if (scale > 255) scale = 255;
567 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_trail)))
568 if (val->_float != 0)
571 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_color)))
572 if (val->_float != 0)
573 glowcolor = (int) val->_float;
575 if ((val = GETEDICTFIELDVALUE(ent, eval_fullbright)))
576 if (val->_float != 0)
577 effects |= EF_FULLBRIGHT;
579 if ((val = GETEDICTFIELDVALUE(ent, eval_colormod)))
580 if (val->vector[0] != 0 || val->vector[1] != 0 || val->vector[2] != 0)
581 colormod = (bound(0, (int) (val->vector[0] * 8.0), 7) << 5) | (bound(0, (int) (val->vector[1] * 8.0), 7) << 2) | bound(0, (int) (val->vector[2] * 4.0), 3);
585 if (glowsize == 0 && (bits & U_GLOWTRAIL) == 0) // no effects
587 if (ent->v.modelindex && pr_strings[ent->v.model]) // model
589 if (sv.models[ (int)ent->v.modelindex ]->flags == 0 && (ent->v.effects == EF_NODRAW || scale <= 0 || alpha <= 0))
592 else // no model and no effects
597 if (msg->maxsize - msg->cursize < 32) // LordHavoc: increased check from 16 to 32
599 Con_Printf ("packet overflow\n");
600 // mark the rest of the entities so they can't be delta compressed against this frame
601 for (;e < sv.num_edicts;e++)
602 client->nextfullupdate[e] = -1;
607 baseline = &ent->baseline;
609 if (((int)ent->v.effects & EF_DELTA) && sv_deltacompress.value)
611 // every half second a full update is forced
612 if (realtime < client->nextfullupdate[e])
615 baseline = &ent->deltabaseline;
618 nextfullupdate = realtime + 0.5f;
621 nextfullupdate = realtime + 0.5f;
623 // restore nextfullupdate since this is being sent
624 client->nextfullupdate[e] = nextfullupdate;
627 bits |= U_LONGENTITY;
629 if (ent->v.movetype == MOVETYPE_STEP)
632 if (ent->v.movetype == MOVETYPE_STEP && ((int) ent->v.flags & (FL_ONGROUND | FL_FLY | FL_SWIM))) // monsters have smoothed walking/flying/swimming movement
634 if (!ent->steplerptime || ent->steplerptime > sv.time) // when the level just started...
636 ent->steplerptime = sv.time;
637 VectorCopy(ent->v.origin, ent->stepoldorigin);
638 VectorCopy(ent->v.angles, ent->stepoldangles);
639 VectorCopy(ent->v.origin, ent->steporigin);
640 VectorCopy(ent->v.angles, ent->stepangles);
642 VectorSubtract(ent->v.origin, ent->steporigin, origin);
643 VectorSubtract(ent->v.angles, ent->stepangles, angles);
644 if (DotProduct(origin, origin) >= 0.125 || DotProduct(angles, angles) >= 1.4)
646 // update lerp positions
647 ent->steplerptime = sv.time;
648 VectorCopy(ent->steporigin, ent->stepoldorigin);
649 VectorCopy(ent->stepangles, ent->stepoldangles);
650 VectorCopy(ent->v.origin, ent->steporigin);
651 VectorCopy(ent->v.angles, ent->stepangles);
653 movelerp = (sv.time - ent->steplerptime) * 10.0;
654 if (movelerp > 1) movelerp = 1;
655 moveilerp = 1 - movelerp;
656 origin[0] = ent->stepoldorigin[0] * moveilerp + ent->steporigin[0] * movelerp;
657 origin[1] = ent->stepoldorigin[1] * moveilerp + ent->steporigin[1] * movelerp;
658 origin[2] = ent->stepoldorigin[2] * moveilerp + ent->steporigin[2] * movelerp;
659 // choose shortest rotate (to avoid 'spin around' situations)
660 VectorSubtract(ent->stepangles, ent->stepoldangles, angles);
661 if (angles[0] < -180) angles[0] += 360;if (angles[0] >= 180) angles[0] -= 360;
662 if (angles[1] < -180) angles[1] += 360;if (angles[1] >= 180) angles[1] -= 360;
663 if (angles[2] < -180) angles[2] += 360;if (angles[2] >= 180) angles[2] -= 360;
664 angles[0] = angles[0] * movelerp + ent->stepoldangles[0];
665 angles[1] = angles[1] * movelerp + ent->stepoldangles[1];
666 angles[2] = angles[2] * movelerp + ent->stepoldangles[2];
667 VectorMA(origin, host_client->latency, ent->v.velocity, origin);
669 else // copy as they are
671 // VectorCopy(ent->v.origin, origin);
672 VectorCopy(ent->v.angles, angles);
673 VectorMA(ent->v.origin, host_client->latency, ent->v.velocity, origin);
674 if (ent->v.movetype == MOVETYPE_STEP) // monster, but airborn, update lerp info
676 // update lerp positions
677 ent->steplerptime = sv.time;
678 VectorCopy(ent->v.origin, ent->stepoldorigin);
679 VectorCopy(ent->v.angles, ent->stepoldangles);
680 VectorCopy(ent->v.origin, ent->steporigin);
681 VectorCopy(ent->v.angles, ent->stepangles);
685 // LordHavoc: old stuff, but rewritten to have more exact tolerances
686 // if ((int)(origin[0]*8.0) != (int)(baseline->origin[0]*8.0)) bits |= U_ORIGIN1;
687 // if ((int)(origin[1]*8.0) != (int)(baseline->origin[1]*8.0)) bits |= U_ORIGIN2;
688 // if ((int)(origin[2]*8.0) != (int)(baseline->origin[2]*8.0)) bits |= U_ORIGIN3;
689 if (origin[0] != baseline->origin[0]) bits |= U_ORIGIN1;
690 if (origin[1] != baseline->origin[1]) bits |= U_ORIGIN2;
691 if (origin[2] != baseline->origin[2]) bits |= U_ORIGIN3;
692 if ((int)(angles[0]*(256.0/360.0)) != (int)(baseline->angles[0]*(256.0/360.0))) bits |= U_ANGLE1;
693 if ((int)(angles[1]*(256.0/360.0)) != (int)(baseline->angles[1]*(256.0/360.0))) bits |= U_ANGLE2;
694 if ((int)(angles[2]*(256.0/360.0)) != (int)(baseline->angles[2]*(256.0/360.0))) bits |= U_ANGLE3;
695 if (baseline->colormap != (byte) ent->v.colormap) bits |= U_COLORMAP;
696 if (baseline->skin != (byte) ent->v.skin) bits |= U_SKIN;
697 if ((baseline->frame & 0x00FF) != ((int) ent->v.frame & 0x00FF)) bits |= U_FRAME;
698 if ((baseline->effects & 0x00FF) != ((int) ent->v.effects & 0x00FF)) bits |= U_EFFECTS;
699 if ((baseline->modelindex & 0x00FF) != ((int) ent->v.modelindex & 0x00FF)) bits |= U_MODEL;
701 // LordHavoc: new stuff
702 if (baseline->alpha != alpha) bits |= U_ALPHA;
703 if (baseline->scale != scale) bits |= U_SCALE;
704 if (((int) baseline->effects & 0xFF00) != ((int) ent->v.effects & 0xFF00)) bits |= U_EFFECTS2;
705 if (baseline->glowsize != glowsize) bits |= U_GLOWSIZE;
706 if (baseline->glowcolor != glowcolor) bits |= U_GLOWCOLOR;
707 if (baseline->colormod != colormod) bits |= U_COLORMOD;
708 if (((int) baseline->frame & 0xFF00) != ((int) ent->v.frame & 0xFF00)) bits |= U_FRAME2;
709 if (((int) baseline->frame & 0xFF00) != ((int) ent->v.modelindex & 0xFF00)) bits |= U_MODEL2;
711 // update delta baseline
712 VectorCopy(ent->v.origin, ent->deltabaseline.origin);
713 VectorCopy(ent->v.angles, ent->deltabaseline.angles);
714 ent->deltabaseline.colormap = ent->v.colormap;
715 ent->deltabaseline.skin = ent->v.skin;
716 ent->deltabaseline.frame = ent->v.frame;
717 ent->deltabaseline.effects = ent->v.effects;
718 ent->deltabaseline.modelindex = ent->v.modelindex;
719 ent->deltabaseline.alpha = alpha;
720 ent->deltabaseline.scale = scale;
721 ent->deltabaseline.glowsize = glowsize;
722 ent->deltabaseline.glowcolor = glowcolor;
723 ent->deltabaseline.colormod = colormod;
725 if (bits & (U_ALPHA | U_SCALE | U_EFFECTS2 | U_GLOWSIZE | U_GLOWCOLOR | U_COLORMOD | U_FRAME2 | U_MODEL2))
729 if (bits >= 16777216)
737 MSG_WriteByte (msg, bits);
738 if (bits & U_MOREBITS)
739 MSG_WriteByte (msg, bits>>8);
740 // LordHavoc: extend bytes have to be written here due to delta compression
741 if (bits & U_EXTEND1)
742 MSG_WriteByte (msg, bits>>16);
743 if (bits & U_EXTEND2)
744 MSG_WriteByte (msg, bits>>24);
746 // LordHavoc: old stuff
747 if (bits & U_LONGENTITY)
748 MSG_WriteShort (msg,e);
750 MSG_WriteByte (msg,e);
751 if (bits & U_MODEL) MSG_WriteByte (msg, ent->v.modelindex);
752 if (bits & U_FRAME) MSG_WriteByte (msg, ent->v.frame);
753 if (bits & U_COLORMAP) MSG_WriteByte (msg, ent->v.colormap);
754 if (bits & U_SKIN) MSG_WriteByte (msg, ent->v.skin);
755 if (bits & U_EFFECTS) MSG_WriteByte (msg, ent->v.effects);
756 if (bits & U_ORIGIN1) MSG_WriteFloatCoord (msg, origin[0]);
757 if (bits & U_ANGLE1) MSG_WriteAngle(msg, angles[0]);
758 if (bits & U_ORIGIN2) MSG_WriteFloatCoord (msg, origin[1]);
759 if (bits & U_ANGLE2) MSG_WriteAngle(msg, angles[1]);
760 if (bits & U_ORIGIN3) MSG_WriteFloatCoord (msg, origin[2]);
761 if (bits & U_ANGLE3) MSG_WriteAngle(msg, angles[2]);
763 // LordHavoc: new stuff
764 if (bits & U_ALPHA) MSG_WriteByte(msg, alpha);
765 if (bits & U_SCALE) MSG_WriteByte(msg, scale);
766 if (bits & U_EFFECTS2) MSG_WriteByte(msg, (int)ent->v.effects >> 8);
767 if (bits & U_GLOWSIZE) MSG_WriteByte(msg, glowsize);
768 if (bits & U_GLOWCOLOR) MSG_WriteByte(msg, glowcolor);
769 if (bits & U_COLORMOD) MSG_WriteByte(msg, colormod);
770 if (bits & U_FRAME2) MSG_WriteByte(msg, (int)ent->v.frame >> 8);
771 if (bits & U_MODEL2) MSG_WriteByte(msg, (int)ent->v.modelindex >> 8);
781 void SV_CleanupEnts (void)
786 ent = NEXT_EDICT(sv.edicts);
787 for (e=1 ; e<sv.num_edicts ; e++, ent = NEXT_EDICT(ent))
789 ent->v.effects = (int)ent->v.effects & ~EF_MUZZLEFLASH;
796 SV_WriteClientdataToMessage
800 void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
810 // send a damage message
812 if (ent->v.dmg_take || ent->v.dmg_save)
814 other = PROG_TO_EDICT(ent->v.dmg_inflictor);
815 MSG_WriteByte (msg, svc_damage);
816 MSG_WriteByte (msg, ent->v.dmg_save);
817 MSG_WriteByte (msg, ent->v.dmg_take);
818 for (i=0 ; i<3 ; i++)
819 MSG_WriteFloatCoord (msg, other->v.origin[i] + 0.5*(other->v.mins[i] + other->v.maxs[i]));
826 // send the current viewpos offset from the view entity
828 SV_SetIdealPitch (); // how much to look up / down ideally
830 // a fixangle might get lost in a dropped packet. Oh well.
831 if ( ent->v.fixangle )
833 MSG_WriteByte (msg, svc_setangle);
834 for (i=0 ; i < 3 ; i++)
835 MSG_WriteAngle (msg, ent->v.angles[i] );
841 if (ent->v.view_ofs[2] != DEFAULT_VIEWHEIGHT)
842 bits |= SU_VIEWHEIGHT;
844 if (ent->v.idealpitch)
845 bits |= SU_IDEALPITCH;
847 // stuff the sigil bits into the high bits of items for sbar, or else
849 val = GETEDICTFIELDVALUE(ent, eval_items2);
852 items = (int)ent->v.items | ((int)val->_float << 23);
854 items = (int)ent->v.items | ((int)pr_global_struct->serverflags << 28);
858 if ( (int)ent->v.flags & FL_ONGROUND)
861 if ( ent->v.waterlevel >= 2)
865 VectorClear(punchvector);
866 if ((val = GETEDICTFIELDVALUE(ent, eval_punchvector)))
867 VectorCopy(val->vector, punchvector);
869 for (i=0 ; i<3 ; i++)
871 if (ent->v.punchangle[i])
872 bits |= (SU_PUNCH1<<i);
873 if (punchvector[i]) // dpprotocol
874 bits |= (SU_PUNCHVEC1<<i); // dpprotocol
875 if (ent->v.velocity[i])
876 bits |= (SU_VELOCITY1<<i);
879 if (ent->v.weaponframe)
880 bits |= SU_WEAPONFRAME;
882 if (ent->v.armorvalue)
885 // if (ent->v.weapon)
890 if (bits >= 16777216)
895 MSG_WriteByte (msg, svc_clientdata);
896 MSG_WriteShort (msg, bits);
897 if (bits & SU_EXTEND1)
898 MSG_WriteByte(msg, bits >> 16);
899 if (bits & SU_EXTEND2)
900 MSG_WriteByte(msg, bits >> 24);
902 if (bits & SU_VIEWHEIGHT)
903 MSG_WriteChar (msg, ent->v.view_ofs[2]);
905 if (bits & SU_IDEALPITCH)
906 MSG_WriteChar (msg, ent->v.idealpitch);
908 for (i=0 ; i<3 ; i++)
910 if (bits & (SU_PUNCH1<<i))
911 MSG_WritePreciseAngle(msg, ent->v.punchangle[i]); // dpprotocol
912 if (bits & (SU_PUNCHVEC1<<i)) // dpprotocol
913 MSG_WriteFloatCoord(msg, punchvector[i]); // dpprotocol
914 if (bits & (SU_VELOCITY1<<i))
915 MSG_WriteChar (msg, ent->v.velocity[i]/16);
918 // [always sent] if (bits & SU_ITEMS)
919 MSG_WriteLong (msg, items);
921 if (bits & SU_WEAPONFRAME)
922 MSG_WriteByte (msg, ent->v.weaponframe);
924 MSG_WriteByte (msg, ent->v.armorvalue);
925 if (bits & SU_WEAPON)
926 MSG_WriteByte (msg, SV_ModelIndex(pr_strings+ent->v.weaponmodel));
928 MSG_WriteShort (msg, ent->v.health);
929 MSG_WriteByte (msg, ent->v.currentammo);
930 MSG_WriteByte (msg, ent->v.ammo_shells);
931 MSG_WriteByte (msg, ent->v.ammo_nails);
932 MSG_WriteByte (msg, ent->v.ammo_rockets);
933 MSG_WriteByte (msg, ent->v.ammo_cells);
937 MSG_WriteByte (msg, ent->v.weapon);
943 if ( ((int)ent->v.weapon) & (1<<i) )
945 MSG_WriteByte (msg, i);
953 =======================
954 SV_SendClientDatagram
955 =======================
957 qboolean SV_SendClientDatagram (client_t *client)
959 byte buf[MAX_DATAGRAM];
963 msg.maxsize = sizeof(buf);
966 MSG_WriteByte (&msg, svc_time);
967 MSG_WriteFloat (&msg, sv.time);
969 // add the client specific data to the datagram
970 SV_WriteClientdataToMessage (client->edict, &msg);
972 SV_WriteEntitiesToClient (client, client->edict, &msg);
974 // copy the server datagram if there is space
975 if (msg.cursize + sv.datagram.cursize < msg.maxsize)
976 SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
979 if (NET_SendUnreliableMessage (client->netconnection, &msg) == -1)
981 SV_DropClient (true);// if the message couldn't send, kick off
989 =======================
990 SV_UpdateToReliableMessages
991 =======================
993 void SV_UpdateToReliableMessages (void)
998 // check for changes to be sent over the reliable streams
999 for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1001 if (host_client->old_frags != host_client->edict->v.frags)
1003 for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
1005 if (!client->active)
1007 MSG_WriteByte (&client->message, svc_updatefrags);
1008 MSG_WriteByte (&client->message, i);
1009 MSG_WriteShort (&client->message, host_client->edict->v.frags);
1012 host_client->old_frags = host_client->edict->v.frags;
1016 for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
1018 if (!client->active)
1020 SZ_Write (&client->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
1023 SZ_Clear (&sv.reliable_datagram);
1028 =======================
1031 Send a nop message without trashing or sending the accumulated client
1033 =======================
1035 void SV_SendNop (client_t *client)
1041 msg.maxsize = sizeof(buf);
1044 MSG_WriteChar (&msg, svc_nop);
1046 if (NET_SendUnreliableMessage (client->netconnection, &msg) == -1)
1047 SV_DropClient (true); // if the message couldn't send, kick off
1048 client->last_message = realtime;
1052 =======================
1053 SV_SendClientMessages
1054 =======================
1056 void SV_SendClientMessages (void)
1060 // update frags, names, etc
1061 SV_UpdateToReliableMessages ();
1063 // build individual updates
1064 for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1066 if (!host_client->active)
1069 if (host_client->spawned)
1071 if (!SV_SendClientDatagram (host_client))
1076 // the player isn't totally in the game yet
1077 // send small keepalive messages if too much time has passed
1078 // send a full message when the next signon stage has been requested
1079 // some other message data (name changes, etc) may accumulate
1080 // between signon stages
1081 if (!host_client->sendsignon)
1083 if (realtime - host_client->last_message > 5)
1084 SV_SendNop (host_client);
1085 continue; // don't send out non-signon messages
1089 // check for an overflowed message. Should only happen
1090 // on a very fucked up connection that backs up a lot, then
1092 if (host_client->message.overflowed)
1094 SV_DropClient (true);
1095 host_client->message.overflowed = false;
1099 if (host_client->message.cursize || host_client->dropasap)
1101 if (!NET_CanSendMessage (host_client->netconnection))
1103 // I_Printf ("can't write\n");
1107 if (host_client->dropasap)
1108 SV_DropClient (false); // went to another level
1111 if (NET_SendMessage (host_client->netconnection, &host_client->message) == -1)
1112 SV_DropClient (true); // if the message couldn't send, kick off
1113 SZ_Clear (&host_client->message);
1114 host_client->last_message = realtime;
1115 host_client->sendsignon = false;
1121 // clear muzzle flashes
1127 ==============================================================================
1131 ==============================================================================
1140 int SV_ModelIndex (char *name)
1144 if (!name || !name[0])
1147 for (i=0 ; i<MAX_MODELS && sv.model_precache[i] ; i++)
1148 if (!strcmp(sv.model_precache[i], name))
1150 if (i==MAX_MODELS || !sv.model_precache[i])
1151 Host_Error ("SV_ModelIndex: model %s not precached", name);
1161 void SV_CreateBaseline (void)
1163 int i, entnum, large;
1166 // LordHavoc: clear *all* states (note just active ones)
1167 for (entnum = 0; entnum < MAX_EDICTS ; entnum++)
1169 // get the current server version
1170 svent = EDICT_NUM(entnum);
1172 // LordHavoc: always clear state values, whether the entity is in use or not
1173 ClearStateToDefault(&svent->baseline);
1177 if (entnum > svs.maxclients && !svent->v.modelindex)
1181 // create entity baseline
1183 VectorCopy (svent->v.origin, svent->baseline.origin);
1184 VectorCopy (svent->v.angles, svent->baseline.angles);
1185 svent->baseline.frame = svent->v.frame;
1186 svent->baseline.skin = svent->v.skin;
1187 if (entnum > 0 && entnum <= svs.maxclients)
1189 svent->baseline.colormap = entnum;
1190 svent->baseline.modelindex = SV_ModelIndex("progs/player.mdl");
1194 svent->baseline.colormap = 0;
1195 svent->baseline.modelindex = svent->v.modelindex; //SV_ModelIndex(pr_strings + svent->v.model);
1199 if (svent->baseline.modelindex & 0xFF00 || svent->baseline.frame & 0xFF00)
1202 // add to the message
1205 MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1207 MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1208 MSG_WriteShort (&sv.signon, entnum);
1212 MSG_WriteShort (&sv.signon, svent->baseline.modelindex);
1213 MSG_WriteShort (&sv.signon, svent->baseline.frame);
1217 MSG_WriteByte (&sv.signon, svent->baseline.modelindex);
1218 MSG_WriteByte (&sv.signon, svent->baseline.frame);
1220 MSG_WriteByte (&sv.signon, svent->baseline.colormap);
1221 MSG_WriteByte (&sv.signon, svent->baseline.skin);
1222 for (i=0 ; i<3 ; i++)
1224 MSG_WriteFloatCoord(&sv.signon, svent->baseline.origin[i]);
1225 MSG_WriteAngle(&sv.signon, svent->baseline.angles[i]);
1235 Tell all the clients that the server is changing levels
1238 void SV_SendReconnect (void)
1245 msg.maxsize = sizeof(data);
1247 MSG_WriteChar (&msg, svc_stufftext);
1248 MSG_WriteString (&msg, "reconnect\n");
1249 NET_SendToAll (&msg, 5);
1251 if (cls.state != ca_dedicated)
1252 Cmd_ExecuteString ("reconnect\n", src_command);
1260 Grabs the current state of each client for saving across the
1261 transition to another level
1264 void SV_SaveSpawnparms (void)
1268 svs.serverflags = pr_global_struct->serverflags;
1270 for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1272 if (!host_client->active)
1275 // call the progs to get default spawn parms for the new client
1276 pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
1277 PR_ExecuteProgram (pr_global_struct->SetChangeParms, "QC function SetChangeParms is missing");
1278 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1279 host_client->spawn_parms[j] = (&pr_global_struct->parm1)[j];
1283 qboolean isworldmodel;
1289 This is called at the start of each level
1292 extern float scr_centertime_off;
1294 void SV_SpawnServer (char *server)
1299 // let's not have any servers with no name
1300 if (hostname.string[0] == 0)
1301 Cvar_Set ("hostname", "UNNAMED");
1302 scr_centertime_off = 0;
1304 Con_DPrintf ("SpawnServer: %s\n",server);
1305 svs.changelevel_issued = false; // now safe to issue another
1308 // tell all connected clients that we are going to a new level
1312 SV_SendReconnect ();
1316 // make cvars consistant
1319 Cvar_SetValue ("deathmatch", 0);
1320 current_skill = (int)(skill.value + 0.5);
1321 if (current_skill < 0)
1323 if (current_skill > 3)
1326 Cvar_SetValue ("skill", (float)current_skill);
1329 // set up the new server
1331 Host_ClearMemory ();
1333 memset (&sv, 0, sizeof(sv));
1335 strcpy (sv.name, server);
1337 // load progs to get entity field count
1340 // allocate server memory
1341 sv.max_edicts = MAX_EDICTS;
1343 sv.edicts = Hunk_AllocName (sv.max_edicts*pr_edict_size, "edicts");
1345 sv.datagram.maxsize = sizeof(sv.datagram_buf);
1346 sv.datagram.cursize = 0;
1347 sv.datagram.data = sv.datagram_buf;
1349 sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1350 sv.reliable_datagram.cursize = 0;
1351 sv.reliable_datagram.data = sv.reliable_datagram_buf;
1353 sv.signon.maxsize = sizeof(sv.signon_buf);
1354 sv.signon.cursize = 0;
1355 sv.signon.data = sv.signon_buf;
1357 // leave slots at start for clients only
1358 sv.num_edicts = svs.maxclients+1;
1359 for (i=0 ; i<svs.maxclients ; i++)
1361 ent = EDICT_NUM(i+1);
1362 svs.clients[i].edict = ent;
1365 sv.state = ss_loading;
1370 strcpy (sv.name, server);
1371 sprintf (sv.modelname,"maps/%s.bsp", server);
1372 isworldmodel = true; // LordHavoc: only load submodels on the world model
1373 sv.worldmodel = Mod_ForName (sv.modelname, false);
1374 isworldmodel = false;
1377 Con_Printf ("Couldn't spawn server %s\n", sv.modelname);
1381 sv.models[1] = sv.worldmodel;
1384 // clear world interaction links
1388 sv.sound_precache[0] = pr_strings;
1390 sv.model_precache[0] = pr_strings;
1391 sv.model_precache[1] = sv.modelname;
1392 for (i=1 ; i<sv.worldmodel->numsubmodels ; i++)
1394 sv.model_precache[1+i] = localmodels[i];
1395 sv.models[i+1] = Mod_ForName (localmodels[i], false);
1399 // load the rest of the entities
1402 memset (&ent->v, 0, progs->entityfields * 4);
1404 ent->v.model = sv.worldmodel->name - pr_strings;
1405 ent->v.modelindex = 1; // world model
1406 ent->v.solid = SOLID_BSP;
1407 ent->v.movetype = MOVETYPE_PUSH;
1408 ent->v.angles[0] = ent->v.angles[1] = ent->v.angles[2] = 0;
1411 pr_global_struct->coop = coop.value;
1413 pr_global_struct->deathmatch = deathmatch.value;
1415 pr_global_struct->mapname = sv.name - pr_strings;
1417 // serverflags are for cross level information (sigils)
1418 pr_global_struct->serverflags = svs.serverflags;
1420 ED_LoadFromFile (sv.worldmodel->entities);
1421 // LordHavoc: clear world angles (to fix e3m3.bsp)
1422 sv.edicts->v.angles[0] = sv.edicts->v.angles[1] = sv.edicts->v.angles[2] = 0;
1426 // all setup is completed, any further precache statements are errors
1427 sv.state = ss_active;
1429 // run two frames to allow everything to settle
1430 sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
1434 // create a baseline for more efficient communications
1435 SV_CreateBaseline ();
1437 // send serverinfo to all connected clients
1438 for (i=0,host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1439 if (host_client->active)
1440 SV_SendServerinfo (host_client);
1442 Con_DPrintf ("Server spawned.\n");