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;
50 Cvar_RegisterVariable (&sv_maxvelocity);
51 Cvar_RegisterVariable (&sv_gravity);
52 Cvar_RegisterVariable (&sv_friction);
53 Cvar_RegisterVariable (&sv_edgefriction);
54 Cvar_RegisterVariable (&sv_stopspeed);
55 Cvar_RegisterVariable (&sv_maxspeed);
56 Cvar_RegisterVariable (&sv_accelerate);
57 Cvar_RegisterVariable (&sv_idealpitchscale);
58 Cvar_RegisterVariable (&sv_aim);
59 Cvar_RegisterVariable (&sv_nostep);
61 for (i=0 ; i<MAX_MODELS ; i++)
62 sprintf (localmodels[i], "*%i", i);
66 =============================================================================
70 =============================================================================
77 Make sure the event gets sent to all clients
80 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
84 if (sv.datagram.cursize > MAX_DATAGRAM-16)
86 MSG_WriteByte (&sv.datagram, svc_particle);
87 MSG_WriteCoord (&sv.datagram, org[0]);
88 MSG_WriteCoord (&sv.datagram, org[1]);
89 MSG_WriteCoord (&sv.datagram, org[2]);
97 MSG_WriteChar (&sv.datagram, v);
99 MSG_WriteByte (&sv.datagram, count);
100 MSG_WriteByte (&sv.datagram, color);
107 Each entity can have eight independant sound sources, like voice,
110 Channel 0 is an auto-allocate channel, the others override anything
111 allready running on that entity/channel pair.
113 An attenuation of 0 will play full volume everywhere in the level.
114 Larger attenuations will drop off. (max 4 attenuation)
118 void SV_StartSound (edict_t *entity, int channel, char *sample, int volume,
126 if (volume < 0 || volume > 255)
127 Host_Error ("SV_StartSound: volume = %i", volume);
129 if (attenuation < 0 || attenuation > 4)
130 Host_Error ("SV_StartSound: attenuation = %f", attenuation);
132 if (channel < 0 || channel > 7)
133 Host_Error ("SV_StartSound: channel = %i", channel);
135 if (sv.datagram.cursize > MAX_DATAGRAM-16)
138 // find precache number for sound
139 for (sound_num=1 ; sound_num<MAX_SOUNDS
140 && sv.sound_precache[sound_num] ; sound_num++)
141 if (!strcmp(sample, sv.sound_precache[sound_num]))
144 if ( sound_num == MAX_SOUNDS || !sv.sound_precache[sound_num] )
146 Con_Printf ("SV_StartSound: %s not precached\n", sample);
150 ent = NUM_FOR_EDICT(entity);
152 channel = (ent<<3) | channel;
155 if (volume != DEFAULT_SOUND_PACKET_VOLUME)
156 field_mask |= SND_VOLUME;
157 if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
158 field_mask |= SND_ATTENUATION;
160 // directed messages go only to the entity the are targeted on
161 MSG_WriteByte (&sv.datagram, svc_sound);
162 MSG_WriteByte (&sv.datagram, field_mask);
163 if (field_mask & SND_VOLUME)
164 MSG_WriteByte (&sv.datagram, volume);
165 if (field_mask & SND_ATTENUATION)
166 MSG_WriteByte (&sv.datagram, attenuation*64);
167 MSG_WriteShort (&sv.datagram, channel);
168 MSG_WriteByte (&sv.datagram, sound_num);
169 for (i=0 ; i<3 ; i++)
170 MSG_WriteCoord (&sv.datagram, entity->v.origin[i]+0.5*(entity->v.mins[i]+entity->v.maxs[i]));
174 ==============================================================================
178 ==============================================================================
185 Sends the first message from the server to a connected client.
186 This will be sent on the initial connection and upon each server load.
189 void SV_SendServerinfo (client_t *client)
194 MSG_WriteByte (&client->message, svc_print);
196 sprintf (message, "%c\nDPNEHAHRA VERSION %4.2f SERVER (%i CRC)", 2, VERSION, pr_crc);
198 sprintf (message, "%c\nDARKPLACES VERSION %4.2f SERVER (%i CRC)", 2, VERSION, pr_crc);
200 MSG_WriteString (&client->message,message);
202 MSG_WriteByte (&client->message, svc_serverinfo);
203 MSG_WriteLong (&client->message, PROTOCOL_VERSION);
204 MSG_WriteByte (&client->message, svs.maxclients);
206 if (!coop.value && deathmatch.value)
207 MSG_WriteByte (&client->message, GAME_DEATHMATCH);
209 MSG_WriteByte (&client->message, GAME_COOP);
211 sprintf (message, pr_strings+sv.edicts->v.message);
213 MSG_WriteString (&client->message,message);
215 for (s = sv.model_precache+1 ; *s ; s++)
216 MSG_WriteString (&client->message, *s);
217 MSG_WriteByte (&client->message, 0);
219 for (s = sv.sound_precache+1 ; *s ; s++)
220 MSG_WriteString (&client->message, *s);
221 MSG_WriteByte (&client->message, 0);
224 MSG_WriteByte (&client->message, svc_cdtrack);
225 MSG_WriteByte (&client->message, sv.edicts->v.sounds);
226 MSG_WriteByte (&client->message, sv.edicts->v.sounds);
229 MSG_WriteByte (&client->message, svc_setview);
230 MSG_WriteShort (&client->message, NUM_FOR_EDICT(client->edict));
232 MSG_WriteByte (&client->message, svc_signonnum);
233 MSG_WriteByte (&client->message, 1);
235 client->sendsignon = true;
236 client->spawned = false; // need prespawn, spawn, etc
243 Initializes a client_t for a new net connection. This will only be called
244 once for a player each game, not once for each level change.
247 void SV_ConnectClient (int clientnum)
252 struct qsocket_s *netconnection;
254 float spawn_parms[NUM_SPAWN_PARMS];
256 client = svs.clients + clientnum;
258 Con_DPrintf ("Client %s connected\n", client->netconnection->address);
260 edictnum = clientnum+1;
262 ent = EDICT_NUM(edictnum);
264 // set up the client_t
265 netconnection = client->netconnection;
268 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
269 memset (client, 0, sizeof(*client));
270 client->netconnection = netconnection;
272 strcpy (client->name, "unconnected");
273 client->active = true;
274 client->spawned = false;
276 client->message.data = client->msgbuf;
277 client->message.maxsize = sizeof(client->msgbuf);
278 client->message.allowoverflow = true; // we can catch it
281 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
284 // call the progs to get default spawn parms for the new client
285 PR_ExecuteProgram (pr_global_struct->SetNewParms);
286 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
287 client->spawn_parms[i] = (&pr_global_struct->parm1)[i];
290 SV_SendServerinfo (client);
296 SV_CheckForNewClients
300 void SV_CheckForNewClients (void)
302 struct qsocket_s *ret;
306 // check for new connections
310 ret = NET_CheckNewConnections ();
315 // init a new client structure
317 for (i=0 ; i<svs.maxclients ; i++)
318 if (!svs.clients[i].active)
320 if (i == svs.maxclients)
321 Sys_Error ("Host_CheckForNewClients: no free clients");
323 svs.clients[i].netconnection = ret;
324 SV_ConnectClient (i);
326 net_activeconnections++;
333 ===============================================================================
337 ===============================================================================
346 void SV_ClearDatagram (void)
348 SZ_Clear (&sv.datagram);
352 =============================================================================
354 The PVS must include a small area around the client to allow head bobbing
355 or other small motion on the client side. Otherwise, a bob might cause an
356 entity that should be visible to not show up, especially when the bob
359 =============================================================================
363 byte fatpvs[MAX_MAP_LEAFS/8];
365 void SV_AddToFatPVS (vec3_t org, mnode_t *node)
374 // if this is a leaf, accumulate the pvs bits
375 if (node->contents < 0)
377 if (node->contents != CONTENTS_SOLID)
379 pvs = Mod_LeafPVS ( (mleaf_t *)node, sv.worldmodel);
380 for (i=0 ; i<fatbytes ; i++)
387 d = DotProduct (org, plane->normal) - plane->dist;
389 node = node->children[0];
391 node = node->children[1];
394 SV_AddToFatPVS (org, node->children[0]);
395 node = node->children[1];
404 Calculates a PVS that is the inclusive or of all leafs within 8 pixels of the
408 byte *SV_FatPVS (vec3_t org)
410 fatbytes = (sv.worldmodel->numleafs+31)>>3;
411 memset (fatpvs, 0, fatbytes);
412 SV_AddToFatPVS (org, sv.worldmodel->nodes);
416 //=============================================================================
421 SV_WriteEntitiesToClient
425 void SV_WriteEntitiesToClient (edict_t *clent, sizebuf_t *msg)
427 int e, i, clentnum, bits, alpha, glowcolor, glowsize, scale, colormod, modred, modgreen, modblue, dodelta, effects;
429 vec3_t org, origin, angles;
430 float movelerp, moveilerp;
433 entity_state_t *baseline; // LordHavoc: delta or startup baseline
435 // find the client's PVS
436 VectorAdd (clent->v.origin, clent->v.view_ofs, org);
437 pvs = SV_FatPVS (org);
439 clentnum = NUM_FOR_EDICT(clent); // LordHavoc: for comparison purposes
440 // send over all entities (except the client) that touch the pvs
441 ent = NEXT_EDICT(sv.edicts);
442 for (e=1 ; e<sv.num_edicts ; e++, ent = NEXT_EDICT(ent))
445 if (ent != clent) // LordHavoc: always send player
447 if ((val = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)) && val->edict)
449 if (val->edict != clentnum)
450 continue; // don't show to anyone else
452 bits |= U_VIEWMODEL; // show relative to the view
456 // LordHavoc: never draw something told not to display to this client
457 if ((val = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)) && val->edict == clentnum)
459 if ((val = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)) && val->edict && val->edict != clentnum)
461 // ignore if not touching a PV leaf
462 for (i=0 ; i < ent->num_leafs ; i++)
463 if (pvs[ent->leafnums[i] >> 3] & (1 << (ent->leafnums[i]&7) ))
466 if (i == ent->num_leafs)
467 continue; // not visible
471 // don't send if flagged for NODRAW and there are no effects
477 effects = ent->v.effects;
479 if ((val = GETEDICTFIELDVALUE(ent, eval_alpha)))
480 if ((alpha = (int) (val->_float * 255.0)) == 0)
482 if ((val = GETEDICTFIELDVALUE(ent, eval_renderamt)) && val->_float != 0) // HalfLife support
483 alpha = (int) val->_float;
484 if (alpha < 0) alpha = 0;
485 if (alpha > 255) alpha = 255;
487 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_size)))
488 glowsize = (int) val->_float >> 3;
489 if (glowsize > 127) glowsize = 127;
490 if (glowsize < -128) glowsize = -128;
492 if ((val = GETEDICTFIELDVALUE(ent, eval_scale)))
493 if ((scale = (int) (val->_float * 16.0)) == 0) scale = 16;
494 if (scale < 0) scale = 0;
495 if (scale > 255) scale = 255;
497 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_trail)))
498 if (val->_float != 0)
501 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_color)))
502 if (val->_float != 0)
503 glowcolor = (int) val->_float;
505 if ((val = GETEDICTFIELDVALUE(ent, eval_fullbright)))
506 if (val->_float != 0)
507 effects |= EF_FULLBRIGHT;
509 if ((val = GETEDICTFIELDVALUE(ent, eval_colormod)))
510 if (val->vector[0] != 0 || val->vector[1] != 0 || val->vector[2] != 0)
512 modred = val->vector[0] * 8.0;if (modred < 0) modred = 0;if (modred > 7) modred = 7;
513 modgreen = val->vector[1] * 8.0;if (modgreen < 0) modgreen = 0;if (modgreen > 7) modgreen = 7;
514 modblue = val->vector[2] * 4.0;if (modblue < 0) modblue = 0;if (modblue > 3) modblue = 3;
515 colormod = (modred << 5) | (modgreen << 2) | modblue;
520 if (glowsize == 0 && bits == 0) // no effects
522 if (ent->v.modelindex && pr_strings[ent->v.model]) // model
524 if (sv.models[ (int)ent->v.modelindex ]->flags == 0 && (ent->v.effects == EF_NODRAW || scale <= 0 || alpha <= 0))
527 else // no model and no effects
532 if (msg->maxsize - msg->cursize < 32) // LordHavoc: increased check from 16 to 32
534 Con_Printf ("packet overflow\n");
542 if ((int)ent->v.effects & EF_DELTA)
543 dodelta = cl.time < ent->nextfullupdate; // every half second a full update is forced
548 baseline = &ent->deltabaseline;
552 ent->nextfullupdate = cl.time + 0.5;
553 baseline = &ent->baseline;
557 bits |= U_LONGENTITY;
558 if (ent->v.movetype == MOVETYPE_STEP)
561 if (ent->v.movetype == MOVETYPE_STEP && ((int) ent->v.flags & (FL_ONGROUND | FL_FLY | FL_SWIM))) // monsters have smoothed walking/flying/swimming movement
563 if (!ent->steplerptime || ent->steplerptime > sv.time) // when the level just started...
565 ent->steplerptime = sv.time;
566 VectorCopy(ent->v.origin, ent->stepoldorigin);
567 VectorCopy(ent->v.angles, ent->stepoldangles);
568 VectorCopy(ent->v.origin, ent->steporigin);
569 VectorCopy(ent->v.angles, ent->stepangles);
571 VectorSubtract(ent->v.origin, ent->steporigin, origin);
572 VectorSubtract(ent->v.angles, ent->stepangles, angles);
573 if (DotProduct(origin, origin) >= 0.125 || DotProduct(angles, angles) >= 1.4)
575 // update lerp positions
576 ent->steplerptime = sv.time;
577 VectorCopy(ent->steporigin, ent->stepoldorigin);
578 VectorCopy(ent->stepangles, ent->stepoldangles);
579 VectorCopy(ent->v.origin, ent->steporigin);
580 VectorCopy(ent->v.angles, ent->stepangles);
582 movelerp = (sv.time - ent->steplerptime) * 10.0;
583 if (movelerp > 1) movelerp = 1;
584 moveilerp = 1 - movelerp;
585 origin[0] = ent->stepoldorigin[0] * moveilerp + ent->steporigin[0] * movelerp;
586 origin[1] = ent->stepoldorigin[1] * moveilerp + ent->steporigin[1] * movelerp;
587 origin[2] = ent->stepoldorigin[2] * moveilerp + ent->steporigin[2] * movelerp;
588 // choose shortest rotate (to avoid 'spin around' situations)
589 VectorSubtract(ent->stepangles, ent->stepoldangles, angles);
590 if (angles[0] < -180) angles[0] += 360;if (angles[0] >= 180) angles[0] -= 360;
591 if (angles[1] < -180) angles[1] += 360;if (angles[1] >= 180) angles[1] -= 360;
592 if (angles[2] < -180) angles[2] += 360;if (angles[2] >= 180) angles[2] -= 360;
593 angles[0] = angles[0] * movelerp + ent->stepoldangles[0];
594 angles[1] = angles[1] * movelerp + ent->stepoldangles[1];
595 angles[2] = angles[2] * movelerp + ent->stepoldangles[2];
597 else // copy as they are
599 VectorCopy(ent->v.origin, origin);
600 VectorCopy(ent->v.angles, angles);
601 if (ent->v.movetype == MOVETYPE_STEP) // monster, but airborn, update lerp info
603 // update lerp positions
604 ent->steplerptime = sv.time;
605 VectorCopy(ent->v.origin, ent->stepoldorigin);
606 VectorCopy(ent->v.angles, ent->stepoldangles);
607 VectorCopy(ent->v.origin, ent->steporigin);
608 VectorCopy(ent->v.angles, ent->stepangles);
612 // LordHavoc: old stuff, but rewritten to have more exact tolerances
613 if ((int)(origin[0]*8.0) != (int)(baseline->origin[0]*8.0)) bits |= U_ORIGIN1;
614 if ((int)(origin[1]*8.0) != (int)(baseline->origin[1]*8.0)) bits |= U_ORIGIN2;
615 if ((int)(origin[2]*8.0) != (int)(baseline->origin[2]*8.0)) bits |= U_ORIGIN3;
616 if ((int)(angles[0]*(256.0/360.0)) != (int)(baseline->angles[0]*(256.0/360.0))) bits |= U_ANGLE1;
617 if ((int)(angles[1]*(256.0/360.0)) != (int)(baseline->angles[1]*(256.0/360.0))) bits |= U_ANGLE2;
618 if ((int)(angles[2]*(256.0/360.0)) != (int)(baseline->angles[2]*(256.0/360.0))) bits |= U_ANGLE3;
619 if (baseline->colormap != (int) ent->v.colormap) bits |= U_COLORMAP;
620 if (baseline->skin != (int) ent->v.skin) bits |= U_SKIN;
621 if ((baseline->frame & 0x00FF) != ((int) ent->v.frame & 0x00FF)) bits |= U_FRAME;
622 if ((baseline->effects & 0x00FF) != ((int) ent->v.effects & 0x00FF)) bits |= U_EFFECTS;
623 if (baseline->modelindex != (int) ent->v.modelindex) bits |= U_MODEL;
625 // LordHavoc: new stuff
626 if (baseline->alpha != alpha) bits |= U_ALPHA;
627 if (baseline->scale != scale) bits |= U_SCALE;
628 if (((int) baseline->effects & 0xFF00) != ((int) ent->v.effects & 0xFF00)) bits |= U_EFFECTS2;
629 if (baseline->glowsize != glowsize) bits |= U_GLOWSIZE;
630 if (baseline->glowcolor != glowcolor) bits |= U_GLOWCOLOR;
631 if (baseline->colormod != colormod) bits |= U_COLORMOD;
632 if (((int) baseline->frame & 0xFF00) != ((int) ent->v.frame & 0xFF00)) bits |= U_FRAME2;
634 // update delta baseline
635 VectorCopy(ent->v.origin, ent->deltabaseline.origin);
636 VectorCopy(ent->v.angles, ent->deltabaseline.angles);
637 ent->deltabaseline.colormap = ent->v.colormap;
638 ent->deltabaseline.skin = ent->v.skin;
639 ent->deltabaseline.frame = ent->v.frame;
640 ent->deltabaseline.effects = ent->v.effects;
641 ent->deltabaseline.modelindex = ent->v.modelindex;
642 ent->deltabaseline.alpha = alpha;
643 ent->deltabaseline.scale = scale;
644 ent->deltabaseline.glowsize = glowsize;
645 ent->deltabaseline.glowcolor = glowcolor;
646 ent->deltabaseline.colormod = colormod;
649 if (bits >= 16777216)
657 MSG_WriteByte (msg, bits);
658 if (bits & U_MOREBITS)
659 MSG_WriteByte (msg, bits>>8);
660 // LordHavoc: extend bytes have to be written here due to delta compression
661 if (bits & U_EXTEND1)
662 MSG_WriteByte (msg, bits>>16);
663 if (bits & U_EXTEND2)
664 MSG_WriteByte (msg, bits>>24);
666 // LordHavoc: old stuff
667 if (bits & U_LONGENTITY)
668 MSG_WriteShort (msg,e);
670 MSG_WriteByte (msg,e);
671 if (bits & U_MODEL) MSG_WriteByte (msg, ent->v.modelindex);
672 if (bits & U_FRAME) MSG_WriteByte (msg, ent->v.frame);
673 if (bits & U_COLORMAP) MSG_WriteByte (msg, ent->v.colormap);
674 if (bits & U_SKIN) MSG_WriteByte (msg, ent->v.skin);
675 if (bits & U_EFFECTS) MSG_WriteByte (msg, ent->v.effects);
676 if (bits & U_ORIGIN1) MSG_WriteCoord (msg, origin[0]);
677 if (bits & U_ANGLE1) MSG_WriteAngle(msg, angles[0]);
678 if (bits & U_ORIGIN2) MSG_WriteCoord (msg, origin[1]);
679 if (bits & U_ANGLE2) MSG_WriteAngle(msg, angles[1]);
680 if (bits & U_ORIGIN3) MSG_WriteCoord (msg, origin[2]);
681 if (bits & U_ANGLE3) MSG_WriteAngle(msg, angles[2]);
683 // LordHavoc: new stuff
684 if (bits & U_ALPHA) MSG_WriteByte(msg, alpha);
685 if (bits & U_SCALE) MSG_WriteByte(msg, scale);
686 if (bits & U_EFFECTS2) MSG_WriteByte(msg, (int)ent->v.effects >> 8);
687 if (bits & U_GLOWSIZE) MSG_WriteByte(msg, glowsize);
688 if (bits & U_GLOWCOLOR) MSG_WriteByte(msg, glowcolor);
689 if (bits & U_COLORMOD) MSG_WriteByte(msg, colormod);
690 if (bits & U_FRAME2) MSG_WriteByte(msg, (int)ent->v.frame >> 8);
700 void SV_CleanupEnts (void)
705 ent = NEXT_EDICT(sv.edicts);
706 for (e=1 ; e<sv.num_edicts ; e++, ent = NEXT_EDICT(ent))
708 ent->v.effects = (int)ent->v.effects & ~EF_MUZZLEFLASH;
715 SV_WriteClientdataToMessage
719 void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
728 // send a damage message
730 if (ent->v.dmg_take || ent->v.dmg_save)
732 other = PROG_TO_EDICT(ent->v.dmg_inflictor);
733 MSG_WriteByte (msg, svc_damage);
734 MSG_WriteByte (msg, ent->v.dmg_save);
735 MSG_WriteByte (msg, ent->v.dmg_take);
736 for (i=0 ; i<3 ; i++)
737 MSG_WriteCoord (msg, other->v.origin[i] + 0.5*(other->v.mins[i] + other->v.maxs[i]));
744 // send the current viewpos offset from the view entity
746 SV_SetIdealPitch (); // how much to look up / down ideally
748 // a fixangle might get lost in a dropped packet. Oh well.
749 if ( ent->v.fixangle )
751 MSG_WriteByte (msg, svc_setangle);
752 for (i=0 ; i < 3 ; i++)
753 MSG_WriteAngle (msg, ent->v.angles[i] );
759 if (ent->v.view_ofs[2] != DEFAULT_VIEWHEIGHT)
760 bits |= SU_VIEWHEIGHT;
762 if (ent->v.idealpitch)
763 bits |= SU_IDEALPITCH;
765 // stuff the sigil bits into the high bits of items for sbar, or else
767 val = GETEDICTFIELDVALUE(ent, eval_items2);
770 items = (int)ent->v.items | ((int)val->_float << 23);
772 items = (int)ent->v.items | ((int)pr_global_struct->serverflags << 28);
776 if ( (int)ent->v.flags & FL_ONGROUND)
779 if ( ent->v.waterlevel >= 2)
782 for (i=0 ; i<3 ; i++)
784 if (ent->v.punchangle[i])
785 bits |= (SU_PUNCH1<<i);
786 if (ent->v.velocity[i])
787 bits |= (SU_VELOCITY1<<i);
790 if (ent->v.weaponframe)
791 bits |= SU_WEAPONFRAME;
793 if (ent->v.armorvalue)
796 // if (ent->v.weapon)
801 MSG_WriteByte (msg, svc_clientdata);
802 MSG_WriteShort (msg, bits);
804 if (bits & SU_VIEWHEIGHT)
805 MSG_WriteChar (msg, ent->v.view_ofs[2]);
807 if (bits & SU_IDEALPITCH)
808 MSG_WriteChar (msg, ent->v.idealpitch);
810 for (i=0 ; i<3 ; i++)
812 if (bits & (SU_PUNCH1<<i))
813 MSG_WriteChar (msg, ent->v.punchangle[i]);
814 if (bits & (SU_VELOCITY1<<i))
815 MSG_WriteChar (msg, ent->v.velocity[i]/16);
818 // [always sent] if (bits & SU_ITEMS)
819 MSG_WriteLong (msg, items);
821 if (bits & SU_WEAPONFRAME)
822 MSG_WriteByte (msg, ent->v.weaponframe);
824 MSG_WriteByte (msg, ent->v.armorvalue);
825 if (bits & SU_WEAPON)
826 MSG_WriteByte (msg, SV_ModelIndex(pr_strings+ent->v.weaponmodel));
828 MSG_WriteShort (msg, ent->v.health);
829 MSG_WriteByte (msg, ent->v.currentammo);
830 MSG_WriteByte (msg, ent->v.ammo_shells);
831 MSG_WriteByte (msg, ent->v.ammo_nails);
832 MSG_WriteByte (msg, ent->v.ammo_rockets);
833 MSG_WriteByte (msg, ent->v.ammo_cells);
837 MSG_WriteByte (msg, ent->v.weapon);
843 if ( ((int)ent->v.weapon) & (1<<i) )
845 MSG_WriteByte (msg, i);
853 =======================
854 SV_SendClientDatagram
855 =======================
857 qboolean SV_SendClientDatagram (client_t *client)
859 byte buf[MAX_DATAGRAM];
863 msg.maxsize = sizeof(buf);
866 MSG_WriteByte (&msg, svc_time);
867 MSG_WriteFloat (&msg, sv.time);
869 // add the client specific data to the datagram
870 SV_WriteClientdataToMessage (client->edict, &msg);
872 SV_WriteEntitiesToClient (client->edict, &msg);
874 // copy the server datagram if there is space
875 if (msg.cursize + sv.datagram.cursize < msg.maxsize)
876 SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
879 if (NET_SendUnreliableMessage (client->netconnection, &msg) == -1)
881 SV_DropClient (true);// if the message couldn't send, kick off
889 =======================
890 SV_UpdateToReliableMessages
891 =======================
893 void SV_UpdateToReliableMessages (void)
898 // check for changes to be sent over the reliable streams
899 for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
901 if (host_client->old_frags != host_client->edict->v.frags)
903 for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
907 MSG_WriteByte (&client->message, svc_updatefrags);
908 MSG_WriteByte (&client->message, i);
909 MSG_WriteShort (&client->message, host_client->edict->v.frags);
912 host_client->old_frags = host_client->edict->v.frags;
916 for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
920 SZ_Write (&client->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
923 SZ_Clear (&sv.reliable_datagram);
928 =======================
931 Send a nop message without trashing or sending the accumulated client
933 =======================
935 void SV_SendNop (client_t *client)
941 msg.maxsize = sizeof(buf);
944 MSG_WriteChar (&msg, svc_nop);
946 if (NET_SendUnreliableMessage (client->netconnection, &msg) == -1)
947 SV_DropClient (true); // if the message couldn't send, kick off
948 client->last_message = realtime;
952 =======================
953 SV_SendClientMessages
954 =======================
956 void SV_SendClientMessages (void)
960 // update frags, names, etc
961 SV_UpdateToReliableMessages ();
963 // build individual updates
964 for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
966 if (!host_client->active)
969 if (host_client->spawned)
971 if (!SV_SendClientDatagram (host_client))
976 // the player isn't totally in the game yet
977 // send small keepalive messages if too much time has passed
978 // send a full message when the next signon stage has been requested
979 // some other message data (name changes, etc) may accumulate
980 // between signon stages
981 if (!host_client->sendsignon)
983 if (realtime - host_client->last_message > 5)
984 SV_SendNop (host_client);
985 continue; // don't send out non-signon messages
989 // check for an overflowed message. Should only happen
990 // on a very fucked up connection that backs up a lot, then
992 if (host_client->message.overflowed)
994 SV_DropClient (true);
995 host_client->message.overflowed = false;
999 if (host_client->message.cursize || host_client->dropasap)
1001 if (!NET_CanSendMessage (host_client->netconnection))
1003 // I_Printf ("can't write\n");
1007 if (host_client->dropasap)
1008 SV_DropClient (false); // went to another level
1011 if (NET_SendMessage (host_client->netconnection
1012 , &host_client->message) == -1)
1013 SV_DropClient (true); // if the message couldn't send, kick off
1014 SZ_Clear (&host_client->message);
1015 host_client->last_message = realtime;
1016 host_client->sendsignon = false;
1022 // clear muzzle flashes
1028 ==============================================================================
1032 ==============================================================================
1041 int SV_ModelIndex (char *name)
1045 if (!name || !name[0])
1048 for (i=0 ; i<MAX_MODELS && sv.model_precache[i] ; i++)
1049 if (!strcmp(sv.model_precache[i], name))
1051 if (i==MAX_MODELS || !sv.model_precache[i])
1052 Host_Error ("SV_ModelIndex: model %s not precached", name);
1062 void SV_CreateBaseline (void)
1068 for (entnum = 0; entnum < sv.num_edicts ; entnum++)
1070 // get the current server version
1071 svent = EDICT_NUM(entnum);
1074 if (entnum > svs.maxclients && !svent->v.modelindex)
1078 // create entity baseline
1080 VectorCopy (svent->v.origin, svent->baseline.origin);
1081 VectorCopy (svent->v.angles, svent->baseline.angles);
1082 svent->baseline.frame = svent->v.frame;
1083 svent->baseline.skin = svent->v.skin;
1084 if (entnum > 0 && entnum <= svs.maxclients)
1086 svent->baseline.colormap = entnum;
1087 svent->baseline.modelindex = SV_ModelIndex("progs/player.mdl");
1091 svent->baseline.colormap = 0;
1092 svent->baseline.modelindex =
1093 SV_ModelIndex(pr_strings + svent->v.model);
1095 svent->baseline.alpha = 255;
1096 svent->baseline.scale = 16;
1097 svent->baseline.glowsize = 0;
1098 svent->baseline.glowcolor = 254;
1099 svent->baseline.colormod = 255;
1102 // add to the message
1104 MSG_WriteByte (&sv.signon,svc_spawnbaseline);
1105 MSG_WriteShort (&sv.signon,entnum);
1107 MSG_WriteByte (&sv.signon, svent->baseline.modelindex);
1108 MSG_WriteByte (&sv.signon, svent->baseline.frame);
1109 MSG_WriteByte (&sv.signon, svent->baseline.colormap);
1110 MSG_WriteByte (&sv.signon, svent->baseline.skin);
1111 for (i=0 ; i<3 ; i++)
1113 MSG_WriteCoord(&sv.signon, svent->baseline.origin[i]);
1114 MSG_WriteAngle(&sv.signon, svent->baseline.angles[i]);
1124 Tell all the clients that the server is changing levels
1127 void SV_SendReconnect (void)
1134 msg.maxsize = sizeof(data);
1136 MSG_WriteChar (&msg, svc_stufftext);
1137 MSG_WriteString (&msg, "reconnect\n");
1138 NET_SendToAll (&msg, 5);
1140 if (cls.state != ca_dedicated)
1141 Cmd_ExecuteString ("reconnect\n", src_command);
1149 Grabs the current state of each client for saving across the
1150 transition to another level
1153 void SV_SaveSpawnparms (void)
1157 svs.serverflags = pr_global_struct->serverflags;
1159 for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1161 if (!host_client->active)
1164 // call the progs to get default spawn parms for the new client
1165 pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
1166 PR_ExecuteProgram (pr_global_struct->SetChangeParms);
1167 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1168 host_client->spawn_parms[j] = (&pr_global_struct->parm1)[j];
1172 qboolean isworldmodel;
1178 This is called at the start of each level
1181 extern float scr_centertime_off;
1183 void SV_SpawnServer (char *server)
1188 // let's not have any servers with no name
1189 if (hostname.string[0] == 0)
1190 Cvar_Set ("hostname", "UNNAMED");
1191 scr_centertime_off = 0;
1193 Con_DPrintf ("SpawnServer: %s\n",server);
1194 svs.changelevel_issued = false; // now safe to issue another
1197 // tell all connected clients that we are going to a new level
1201 SV_SendReconnect ();
1205 // make cvars consistant
1208 Cvar_SetValue ("deathmatch", 0);
1209 current_skill = (int)(skill.value + 0.5);
1210 if (current_skill < 0)
1212 if (current_skill > 3)
1215 Cvar_SetValue ("skill", (float)current_skill);
1218 // set up the new server
1220 Host_ClearMemory ();
1222 memset (&sv, 0, sizeof(sv));
1224 strcpy (sv.name, server);
1226 // load progs to get entity field count
1229 // allocate server memory
1230 sv.max_edicts = MAX_EDICTS;
1232 sv.edicts = Hunk_AllocName (sv.max_edicts*pr_edict_size, "edicts");
1234 sv.datagram.maxsize = sizeof(sv.datagram_buf);
1235 sv.datagram.cursize = 0;
1236 sv.datagram.data = sv.datagram_buf;
1238 sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1239 sv.reliable_datagram.cursize = 0;
1240 sv.reliable_datagram.data = sv.reliable_datagram_buf;
1242 sv.signon.maxsize = sizeof(sv.signon_buf);
1243 sv.signon.cursize = 0;
1244 sv.signon.data = sv.signon_buf;
1246 // leave slots at start for clients only
1247 sv.num_edicts = svs.maxclients+1;
1248 for (i=0 ; i<svs.maxclients ; i++)
1250 ent = EDICT_NUM(i+1);
1251 svs.clients[i].edict = ent;
1254 sv.state = ss_loading;
1259 strcpy (sv.name, server);
1260 sprintf (sv.modelname,"maps/%s.bsp", server);
1261 isworldmodel = true; // LordHavoc: only load submodels on the world model
1262 sv.worldmodel = Mod_ForName (sv.modelname, false);
1263 isworldmodel = false;
1266 Con_Printf ("Couldn't spawn server %s\n", sv.modelname);
1270 sv.models[1] = sv.worldmodel;
1273 // clear world interaction links
1277 sv.sound_precache[0] = pr_strings;
1279 sv.model_precache[0] = pr_strings;
1280 sv.model_precache[1] = sv.modelname;
1281 for (i=1 ; i<sv.worldmodel->numsubmodels ; i++)
1283 sv.model_precache[1+i] = localmodels[i];
1284 sv.models[i+1] = Mod_ForName (localmodels[i], false);
1288 // load the rest of the entities
1291 memset (&ent->v, 0, progs->entityfields * 4);
1293 ent->v.model = sv.worldmodel->name - pr_strings;
1294 ent->v.modelindex = 1; // world model
1295 ent->v.solid = SOLID_BSP;
1296 ent->v.movetype = MOVETYPE_PUSH;
1297 ent->v.angles[0] = ent->v.angles[1] = ent->v.angles[2] = 0;
1300 pr_global_struct->coop = coop.value;
1302 pr_global_struct->deathmatch = deathmatch.value;
1304 pr_global_struct->mapname = sv.name - pr_strings;
1306 // serverflags are for cross level information (sigils)
1307 pr_global_struct->serverflags = svs.serverflags;
1309 ED_LoadFromFile (sv.worldmodel->entities);
1310 // LordHavoc: clear world angles (to fix e3m3.bsp)
1311 sv.edicts->v.angles[0] = sv.edicts->v.angles[1] = sv.edicts->v.angles[2] = 0;
1315 // all setup is completed, any further precache statements are errors
1316 sv.state = ss_active;
1318 // run two frames to allow everything to settle
1319 host_frametime = 0.1;
1323 // create a baseline for more efficient communications
1324 SV_CreateBaseline ();
1326 // send serverinfo to all connected clients
1327 for (i=0,host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1328 if (host_client->active)
1329 SV_SendServerinfo (host_client);
1331 Con_DPrintf ("Server spawned.\n");
1334 // LordHavoc: added light checking to the server
1335 int RecursiveLightPoint (vec3_t color, mnode_t *node, vec3_t start, vec3_t end);
1336 void SV_LightPoint (vec3_t color, vec3_t p)
1340 if (!sv.worldmodel->lightdata)
1342 color[0] = color[1] = color[2] = 255;
1348 end[2] = p[2] - 2048;
1350 color[0] = color[1] = color[2] = 0;
1351 RecursiveLightPoint (color, sv.worldmodel->nodes, p, end);