2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 // sv_main.c -- server main program
24 static cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "0"}; // fast but loose
25 static cvar_t sv_cullentities_portal = {0, "sv_cullentities_portal", "0"}; // extremely accurate visibility checking, but too slow
26 static cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "1"}; // tends to get false negatives, uses a timeout to keep entities visible a short time after becoming hidden
27 static cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0"};
32 static char localmodels[MAX_MODELS][5]; // inline model names for precache
34 static mempool_t *sv_edicts_mempool = NULL;
36 //============================================================================
47 Cvar_RegisterVariable (&sv_maxvelocity);
48 Cvar_RegisterVariable (&sv_gravity);
49 Cvar_RegisterVariable (&sv_friction);
50 Cvar_RegisterVariable (&sv_edgefriction);
51 Cvar_RegisterVariable (&sv_stopspeed);
52 Cvar_RegisterVariable (&sv_maxspeed);
53 Cvar_RegisterVariable (&sv_accelerate);
54 Cvar_RegisterVariable (&sv_idealpitchscale);
55 Cvar_RegisterVariable (&sv_aim);
56 Cvar_RegisterVariable (&sv_nostep);
57 Cvar_RegisterVariable (&sv_predict);
58 Cvar_RegisterVariable (&sv_deltacompress);
59 Cvar_RegisterVariable (&sv_cullentities_pvs);
60 Cvar_RegisterVariable (&sv_cullentities_portal);
61 Cvar_RegisterVariable (&sv_cullentities_trace);
62 Cvar_RegisterVariable (&sv_cullentities_stats);
64 for (i = 0;i < MAX_MODELS;i++)
65 sprintf (localmodels[i], "*%i", i);
67 sv_edicts_mempool = Mem_AllocPool("edicts");
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, "\002\nServer: %s build %s (progs %i crc)", gamename, buildstring, 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.integer && deathmatch.integer)
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 //=============================================================================
461 int SV_BoxTouchingPVS (byte *pvs, vec3_t mins, vec3_t maxs, mnode_t *node)
465 if (node->contents < 0)
468 if (node->contents == CONTENTS_SOLID)
470 leafnum = (mleaf_t *)node - sv.worldmodel->leafs - 1;
471 return pvs[leafnum >> 3] & (1 << (leafnum & 7));
474 // node - recurse down the BSP tree
475 switch (BOX_ON_PLANE_SIDE(mins, maxs, node->plane))
478 node = node->children[0];
481 node = node->children[1];
484 if (node->children[0]->contents != CONTENTS_SOLID)
485 if (SV_BoxTouchingPVS (pvs, mins, maxs, node->children[0]))
487 node = node->children[1];
497 SV_WriteEntitiesToClient
501 void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
503 int e, clentnum, bits, alpha, glowcolor, glowsize, scale, effects;
504 int culled_pvs, culled_portal, culled_trace, visibleentities, totalentities;
506 vec3_t org, origin, angles, entmins, entmaxs;
507 float nextfullupdate;
510 entity_state_t *baseline; // LordHavoc: delta or startup baseline
514 double testorigin[3];
516 Mod_CheckLoaded(sv.worldmodel);
518 // find the client's PVS
519 VectorAdd (clent->v.origin, clent->v.view_ofs, org);
520 VectorCopy (org, testeye);
521 pvs = SV_FatPVS (org);
524 MSG_WriteByte(msg, svc_playerposition);
525 MSG_WriteFloat(msg, org[0]);
526 MSG_WriteFloat(msg, org[1]);
527 MSG_WriteFloat(msg, org[2]);
536 clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
537 // send all entities that touch the pvs
538 ent = NEXT_EDICT(sv.edicts);
539 for (e = 1;e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
543 // prevent delta compression against this frame (unless actually sent, which will restore this later)
544 nextfullupdate = client->nextfullupdate[e];
545 client->nextfullupdate[e] = -1;
547 if (ent != clent) // LordHavoc: always send player
549 if ((val = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)) && val->edict)
551 if (val->edict != clentnum)
553 // don't show to anyone else
557 bits |= U_VIEWMODEL; // show relative to the view
561 // LordHavoc: never draw something told not to display to this client
562 if ((val = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)) && val->edict == clentnum)
564 if ((val = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)) && val->edict && val->edict != clentnum)
571 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_size)))
572 glowsize = (int) val->_float >> 2;
573 if (glowsize > 255) glowsize = 255;
574 if (glowsize < 0) glowsize = 0;
576 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_trail)))
577 if (val->_float != 0)
580 if (ent->v.modelindex >= 0 && ent->v.modelindex < MAX_MODELS && pr_strings[ent->v.model])
582 model = sv.models[(int)ent->v.modelindex];
583 Mod_CheckLoaded(model);
588 if (ent != clent) // LordHavoc: always send player
589 if (glowsize == 0 && (bits & U_GLOWTRAIL) == 0) // no effects
593 VectorCopy(ent->v.angles, angles);
594 if (DotProduct(ent->v.velocity, ent->v.velocity) >= 1.0f)
596 VectorMA(ent->v.origin, host_client->latency, ent->v.velocity, origin);
597 // LordHavoc: trace predicted movement to avoid putting things in walls
598 trace = SV_Move (ent->v.origin, ent->v.mins, ent->v.maxs, origin, MOVE_NORMAL, ent);
599 VectorCopy(trace.endpos, origin);
603 VectorCopy(ent->v.origin, origin);
606 // ent has survived every check so far, check if it is visible
607 if (ent != clent && ((bits & U_VIEWMODEL) == 0))
609 // use the predicted origin
610 entmins[0] = origin[0] - 1.0f;
611 entmins[1] = origin[1] - 1.0f;
612 entmins[2] = origin[2] - 1.0f;
613 entmaxs[0] = origin[0] + 1.0f;
614 entmaxs[1] = origin[1] + 1.0f;
615 entmaxs[2] = origin[2] + 1.0f;
616 // using the model's bounding box to ensure things are visible regardless of their physics box
619 if (ent->v.angles[0] || ent->v.angles[2]) // pitch and roll
621 VectorAdd(entmins, model->rotatedmins, entmins);
622 VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
624 else if (ent->v.angles[1])
626 VectorAdd(entmins, model->yawmins, entmins);
627 VectorAdd(entmaxs, model->yawmaxs, entmaxs);
631 VectorAdd(entmins, model->normalmins, entmins);
632 VectorAdd(entmaxs, model->normalmaxs, entmaxs);
638 // if not touching a visible leaf
639 if (sv_cullentities_pvs.integer && !SV_BoxTouchingPVS(pvs, entmins, entmaxs, sv.worldmodel->nodes))
645 // or not visible through the portals
646 if (sv_cullentities_portal.integer && !Portal_CheckBox(sv.worldmodel, org, entmins, entmaxs))
652 // don't try to cull embedded brush models with this, they're sometimes huge (spanning several rooms)
653 if (sv_cullentities_trace.integer && (model == NULL || model->type != mod_brush || model->name[0] != '*'))
655 // LordHavoc: test random offsets, to maximize chance of detection
656 testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
657 testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
658 testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
660 memset (&trace, 0, sizeof(trace_t));
662 trace.allsolid = true;
663 VectorCopy(testorigin, trace.endpos);
665 VectorCopy(org, RecursiveHullCheckInfo.start);
666 VectorSubtract(testorigin, testeye, RecursiveHullCheckInfo.dist);
667 RecursiveHullCheckInfo.hull = sv.worldmodel->hulls;
668 RecursiveHullCheckInfo.trace = &trace;
669 SV_RecursiveHullCheck (sv.worldmodel->hulls->firstclipnode, 0, 1, testeye, testorigin);
671 if (trace.fraction == 1)
672 client->lastvisible[e] = realtime;
675 if (realtime - client->lastvisible[e] >= 1)
688 effects = ent->v.effects;
690 if ((val = GETEDICTFIELDVALUE(ent, eval_alpha)))
691 if (val->_float != 0)
692 alpha = (int) (val->_float * 255.0);
695 if ((val = GETEDICTFIELDVALUE(ent, eval_renderamt)))
696 if (val->_float != 0)
697 alpha = (int) val->_float;
701 alpha = bound(0, alpha, 255);
703 if ((val = GETEDICTFIELDVALUE(ent, eval_scale)))
704 if ((scale = (int) (val->_float * 16.0)) == 0) scale = 16;
705 if (scale < 0) scale = 0;
706 if (scale > 255) scale = 255;
708 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_color)))
709 if (val->_float != 0)
710 glowcolor = (int) val->_float;
712 if ((val = GETEDICTFIELDVALUE(ent, eval_fullbright)))
713 if (val->_float != 0)
714 effects |= EF_FULLBRIGHT;
718 if (glowsize == 0 && (bits & U_GLOWTRAIL) == 0) // no effects
722 // don't send if flagged for NODRAW and there are no effects
723 if (model->flags == 0 && ((effects & EF_NODRAW) || scale <= 0 || alpha <= 0))
726 else // no model and no effects
731 if (msg->maxsize - msg->cursize < 32) // LordHavoc: increased check from 16 to 32
733 Con_Printf ("packet overflow\n");
734 // mark the rest of the entities so they can't be delta compressed against this frame
735 for (;e < sv.num_edicts;e++)
737 client->nextfullupdate[e] = -1;
738 client->lastvisible[e] = -1;
743 if ((val = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)) && val->edict == clentnum)
744 bits = bits | U_EXTERIORMODEL;
747 baseline = &ent->baseline;
749 if (((int)ent->v.effects & EF_DELTA) && sv_deltacompress.integer)
751 // every half second a full update is forced
752 if (realtime < client->nextfullupdate[e])
755 baseline = &ent->deltabaseline;
758 nextfullupdate = realtime + 0.5f;
761 nextfullupdate = realtime + 0.5f;
763 // restore nextfullupdate since this is being sent for real
764 client->nextfullupdate[e] = nextfullupdate;
767 bits |= U_LONGENTITY;
769 if (ent->v.movetype == MOVETYPE_STEP)
772 // LordHavoc: old stuff, but rewritten to have more exact tolerances
773 // if ((int)(origin[0]*8.0) != (int)(baseline->origin[0]*8.0)) bits |= U_ORIGIN1;
774 // if ((int)(origin[1]*8.0) != (int)(baseline->origin[1]*8.0)) bits |= U_ORIGIN2;
775 // if ((int)(origin[2]*8.0) != (int)(baseline->origin[2]*8.0)) bits |= U_ORIGIN3;
776 if (origin[0] != baseline->origin[0]) bits |= U_ORIGIN1;
777 if (origin[1] != baseline->origin[1]) bits |= U_ORIGIN2;
778 if (origin[2] != baseline->origin[2]) bits |= U_ORIGIN3;
779 if (((int)(angles[0]*(256.0/360.0)) & 255) != ((int)(baseline->angles[0]*(256.0/360.0)) & 255)) bits |= U_ANGLE1;
780 if (((int)(angles[1]*(256.0/360.0)) & 255) != ((int)(baseline->angles[1]*(256.0/360.0)) & 255)) bits |= U_ANGLE2;
781 if (((int)(angles[2]*(256.0/360.0)) & 255) != ((int)(baseline->angles[2]*(256.0/360.0)) & 255)) bits |= U_ANGLE3;
782 if (baseline->colormap != (byte) ent->v.colormap) bits |= U_COLORMAP;
783 if (baseline->skin != (byte) ent->v.skin) bits |= U_SKIN;
784 if ((baseline->frame & 0x00FF) != ((int) ent->v.frame & 0x00FF)) bits |= U_FRAME;
785 if ((baseline->effects & 0x00FF) != ((int) ent->v.effects & 0x00FF)) bits |= U_EFFECTS;
786 if ((baseline->modelindex & 0x00FF) != ((int) ent->v.modelindex & 0x00FF)) bits |= U_MODEL;
788 // LordHavoc: new stuff
789 if (baseline->alpha != alpha) bits |= U_ALPHA;
790 if (baseline->scale != scale) bits |= U_SCALE;
791 if (((int) baseline->effects & 0xFF00) != ((int) ent->v.effects & 0xFF00)) bits |= U_EFFECTS2;
792 if (baseline->glowsize != glowsize) bits |= U_GLOWSIZE;
793 if (baseline->glowcolor != glowcolor) bits |= U_GLOWCOLOR;
794 if (((int) baseline->frame & 0xFF00) != ((int) ent->v.frame & 0xFF00)) bits |= U_FRAME2;
795 if (((int) baseline->frame & 0xFF00) != ((int) ent->v.modelindex & 0xFF00)) bits |= U_MODEL2;
797 // update delta baseline
798 VectorCopy(ent->v.origin, ent->deltabaseline.origin);
799 VectorCopy(ent->v.angles, ent->deltabaseline.angles);
800 ent->deltabaseline.colormap = ent->v.colormap;
801 ent->deltabaseline.skin = ent->v.skin;
802 ent->deltabaseline.frame = ent->v.frame;
803 ent->deltabaseline.effects = ent->v.effects;
804 ent->deltabaseline.modelindex = ent->v.modelindex;
805 ent->deltabaseline.alpha = alpha;
806 ent->deltabaseline.scale = scale;
807 ent->deltabaseline.glowsize = glowsize;
808 ent->deltabaseline.glowcolor = glowcolor;
811 if (bits >= 16777216)
819 MSG_WriteByte (msg, bits);
820 if (bits & U_MOREBITS)
821 MSG_WriteByte (msg, bits>>8);
822 // LordHavoc: extend bytes have to be written here due to delta compression
823 if (bits & U_EXTEND1)
824 MSG_WriteByte (msg, bits>>16);
825 if (bits & U_EXTEND2)
826 MSG_WriteByte (msg, bits>>24);
828 // LordHavoc: old stuff
829 if (bits & U_LONGENTITY)
830 MSG_WriteShort (msg,e);
832 MSG_WriteByte (msg,e);
833 if (bits & U_MODEL) MSG_WriteByte (msg, ent->v.modelindex);
834 if (bits & U_FRAME) MSG_WriteByte (msg, ent->v.frame);
835 if (bits & U_COLORMAP) MSG_WriteByte (msg, ent->v.colormap);
836 if (bits & U_SKIN) MSG_WriteByte (msg, ent->v.skin);
837 if (bits & U_EFFECTS) MSG_WriteByte (msg, ent->v.effects);
838 if (bits & U_ORIGIN1) MSG_WriteFloatCoord (msg, origin[0]);
839 if (bits & U_ANGLE1) MSG_WriteAngle(msg, angles[0]);
840 if (bits & U_ORIGIN2) MSG_WriteFloatCoord (msg, origin[1]);
841 if (bits & U_ANGLE2) MSG_WriteAngle(msg, angles[1]);
842 if (bits & U_ORIGIN3) MSG_WriteFloatCoord (msg, origin[2]);
843 if (bits & U_ANGLE3) MSG_WriteAngle(msg, angles[2]);
845 // LordHavoc: new stuff
846 if (bits & U_ALPHA) MSG_WriteByte(msg, alpha);
847 if (bits & U_SCALE) MSG_WriteByte(msg, scale);
848 if (bits & U_EFFECTS2) MSG_WriteByte(msg, (int)ent->v.effects >> 8);
849 if (bits & U_GLOWSIZE) MSG_WriteByte(msg, glowsize);
850 if (bits & U_GLOWCOLOR) MSG_WriteByte(msg, glowcolor);
851 if (bits & U_FRAME2) MSG_WriteByte(msg, (int)ent->v.frame >> 8);
852 if (bits & U_MODEL2) MSG_WriteByte(msg, (int)ent->v.modelindex >> 8);
855 if (sv_cullentities_stats.integer)
856 Con_Printf("client \"%s\" entities: %d total, %d visible, %d culled by: %d pvs %d portal %d trace\n", client->name, totalentities, visibleentities, culled_pvs + culled_portal + culled_trace, culled_pvs, culled_portal, culled_trace);
865 void SV_CleanupEnts (void)
870 ent = NEXT_EDICT(sv.edicts);
871 for (e=1 ; e<sv.num_edicts ; e++, ent = NEXT_EDICT(ent))
872 ent->v.effects = (int)ent->v.effects & ~EF_MUZZLEFLASH;
877 SV_WriteClientdataToMessage
881 void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
891 // send a damage message
893 if (ent->v.dmg_take || ent->v.dmg_save)
895 other = PROG_TO_EDICT(ent->v.dmg_inflictor);
896 MSG_WriteByte (msg, svc_damage);
897 MSG_WriteByte (msg, ent->v.dmg_save);
898 MSG_WriteByte (msg, ent->v.dmg_take);
899 for (i=0 ; i<3 ; i++)
900 MSG_WriteFloatCoord (msg, other->v.origin[i] + 0.5*(other->v.mins[i] + other->v.maxs[i]));
907 // send the current viewpos offset from the view entity
909 SV_SetIdealPitch (); // how much to look up / down ideally
911 // a fixangle might get lost in a dropped packet. Oh well.
912 if ( ent->v.fixangle )
914 MSG_WriteByte (msg, svc_setangle);
915 for (i=0 ; i < 3 ; i++)
916 MSG_WriteAngle (msg, ent->v.angles[i] );
922 if (ent->v.view_ofs[2] != DEFAULT_VIEWHEIGHT)
923 bits |= SU_VIEWHEIGHT;
925 if (ent->v.idealpitch)
926 bits |= SU_IDEALPITCH;
928 // stuff the sigil bits into the high bits of items for sbar, or else
930 val = GETEDICTFIELDVALUE(ent, eval_items2);
933 items = (int)ent->v.items | ((int)val->_float << 23);
935 items = (int)ent->v.items | ((int)pr_global_struct->serverflags << 28);
939 if ( (int)ent->v.flags & FL_ONGROUND)
942 if ( ent->v.waterlevel >= 2)
946 VectorClear(punchvector);
947 if ((val = GETEDICTFIELDVALUE(ent, eval_punchvector)))
948 VectorCopy(val->vector, punchvector);
950 for (i=0 ; i<3 ; i++)
952 if (ent->v.punchangle[i])
953 bits |= (SU_PUNCH1<<i);
954 if (punchvector[i]) // dpprotocol
955 bits |= (SU_PUNCHVEC1<<i); // dpprotocol
956 if (ent->v.velocity[i])
957 bits |= (SU_VELOCITY1<<i);
960 if (ent->v.weaponframe)
961 bits |= SU_WEAPONFRAME;
963 if (ent->v.armorvalue)
966 // if (ent->v.weapon)
971 if (bits >= 16777216)
976 MSG_WriteByte (msg, svc_clientdata);
977 MSG_WriteShort (msg, bits);
978 if (bits & SU_EXTEND1)
979 MSG_WriteByte(msg, bits >> 16);
980 if (bits & SU_EXTEND2)
981 MSG_WriteByte(msg, bits >> 24);
983 if (bits & SU_VIEWHEIGHT)
984 MSG_WriteChar (msg, ent->v.view_ofs[2]);
986 if (bits & SU_IDEALPITCH)
987 MSG_WriteChar (msg, ent->v.idealpitch);
989 for (i=0 ; i<3 ; i++)
991 if (bits & (SU_PUNCH1<<i))
992 MSG_WritePreciseAngle(msg, ent->v.punchangle[i]); // dpprotocol
993 if (bits & (SU_PUNCHVEC1<<i)) // dpprotocol
994 MSG_WriteFloatCoord(msg, punchvector[i]); // dpprotocol
995 if (bits & (SU_VELOCITY1<<i))
996 MSG_WriteChar (msg, ent->v.velocity[i]/16);
999 // [always sent] if (bits & SU_ITEMS)
1000 MSG_WriteLong (msg, items);
1002 if (bits & SU_WEAPONFRAME)
1003 MSG_WriteByte (msg, ent->v.weaponframe);
1004 if (bits & SU_ARMOR)
1005 MSG_WriteByte (msg, ent->v.armorvalue);
1006 if (bits & SU_WEAPON)
1007 MSG_WriteByte (msg, SV_ModelIndex(pr_strings+ent->v.weaponmodel));
1009 MSG_WriteShort (msg, ent->v.health);
1010 MSG_WriteByte (msg, ent->v.currentammo);
1011 MSG_WriteByte (msg, ent->v.ammo_shells);
1012 MSG_WriteByte (msg, ent->v.ammo_nails);
1013 MSG_WriteByte (msg, ent->v.ammo_rockets);
1014 MSG_WriteByte (msg, ent->v.ammo_cells);
1016 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1020 if ( ((int)ent->v.weapon) & (1<<i) )
1022 MSG_WriteByte (msg, i);
1029 MSG_WriteByte (msg, ent->v.weapon);
1034 =======================
1035 SV_SendClientDatagram
1036 =======================
1038 qboolean SV_SendClientDatagram (client_t *client)
1040 byte buf[MAX_DATAGRAM];
1044 msg.maxsize = sizeof(buf);
1047 MSG_WriteByte (&msg, svc_time);
1048 MSG_WriteFloat (&msg, sv.time);
1050 // add the client specific data to the datagram
1051 SV_WriteClientdataToMessage (client->edict, &msg);
1053 SV_WriteEntitiesToClient (client, client->edict, &msg);
1055 // copy the server datagram if there is space
1056 if (msg.cursize + sv.datagram.cursize < msg.maxsize)
1057 SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
1059 // send the datagram
1060 if (NET_SendUnreliableMessage (client->netconnection, &msg) == -1)
1062 SV_DropClient (true);// if the message couldn't send, kick off
1070 =======================
1071 SV_UpdateToReliableMessages
1072 =======================
1074 void SV_UpdateToReliableMessages (void)
1079 // check for changes to be sent over the reliable streams
1080 for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1082 if (host_client->old_frags != host_client->edict->v.frags)
1084 for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
1086 if (!client->active)
1088 MSG_WriteByte (&client->message, svc_updatefrags);
1089 MSG_WriteByte (&client->message, i);
1090 MSG_WriteShort (&client->message, host_client->edict->v.frags);
1093 host_client->old_frags = host_client->edict->v.frags;
1097 for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
1099 if (!client->active)
1101 SZ_Write (&client->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
1104 SZ_Clear (&sv.reliable_datagram);
1109 =======================
1112 Send a nop message without trashing or sending the accumulated client
1114 =======================
1116 void SV_SendNop (client_t *client)
1122 msg.maxsize = sizeof(buf);
1125 MSG_WriteChar (&msg, svc_nop);
1127 if (NET_SendUnreliableMessage (client->netconnection, &msg) == -1)
1128 SV_DropClient (true); // if the message couldn't send, kick off
1129 client->last_message = realtime;
1133 =======================
1134 SV_SendClientMessages
1135 =======================
1137 void SV_SendClientMessages (void)
1141 // update frags, names, etc
1142 SV_UpdateToReliableMessages ();
1144 // build individual updates
1145 for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1147 if (!host_client->active)
1150 if (host_client->spawned)
1152 if (!SV_SendClientDatagram (host_client))
1157 // the player isn't totally in the game yet
1158 // send small keepalive messages if too much time has passed
1159 // send a full message when the next signon stage has been requested
1160 // some other message data (name changes, etc) may accumulate
1161 // between signon stages
1162 if (!host_client->sendsignon)
1164 if (realtime - host_client->last_message > 5)
1165 SV_SendNop (host_client);
1166 continue; // don't send out non-signon messages
1170 // check for an overflowed message. Should only happen
1171 // on a very fucked up connection that backs up a lot, then
1173 if (host_client->message.overflowed)
1175 SV_DropClient (true);
1176 host_client->message.overflowed = false;
1180 if (host_client->message.cursize || host_client->dropasap)
1182 if (!NET_CanSendMessage (host_client->netconnection))
1184 // I_Printf ("can't write\n");
1188 if (host_client->dropasap)
1189 SV_DropClient (false); // went to another level
1192 if (NET_SendMessage (host_client->netconnection, &host_client->message) == -1)
1193 SV_DropClient (true); // if the message couldn't send, kick off
1194 SZ_Clear (&host_client->message);
1195 host_client->last_message = realtime;
1196 host_client->sendsignon = false;
1202 // clear muzzle flashes
1208 ==============================================================================
1212 ==============================================================================
1221 int SV_ModelIndex (char *name)
1225 if (!name || !name[0])
1228 for (i=0 ; i<MAX_MODELS && sv.model_precache[i] ; i++)
1229 if (!strcmp(sv.model_precache[i], name))
1231 if (i==MAX_MODELS || !sv.model_precache[i])
1232 Host_Error ("SV_ModelIndex: model %s not precached", name);
1242 void SV_CreateBaseline (void)
1244 int i, entnum, large;
1247 // LordHavoc: clear *all* states (note just active ones)
1248 for (entnum = 0; entnum < MAX_EDICTS ; entnum++)
1250 // get the current server version
1251 svent = EDICT_NUM(entnum);
1253 // LordHavoc: always clear state values, whether the entity is in use or not
1254 ClearStateToDefault(&svent->baseline);
1258 if (entnum > svs.maxclients && !svent->v.modelindex)
1261 // create entity baseline
1262 VectorCopy (svent->v.origin, svent->baseline.origin);
1263 VectorCopy (svent->v.angles, svent->baseline.angles);
1264 svent->baseline.frame = svent->v.frame;
1265 svent->baseline.skin = svent->v.skin;
1266 if (entnum > 0 && entnum <= svs.maxclients)
1268 svent->baseline.colormap = entnum;
1269 svent->baseline.modelindex = SV_ModelIndex("progs/player.mdl");
1273 svent->baseline.colormap = 0;
1274 svent->baseline.modelindex = svent->v.modelindex; //SV_ModelIndex(pr_strings + svent->v.model);
1278 if (svent->baseline.modelindex & 0xFF00 || svent->baseline.frame & 0xFF00)
1281 // add to the message
1283 MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1285 MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1286 MSG_WriteShort (&sv.signon, entnum);
1290 MSG_WriteShort (&sv.signon, svent->baseline.modelindex);
1291 MSG_WriteShort (&sv.signon, svent->baseline.frame);
1295 MSG_WriteByte (&sv.signon, svent->baseline.modelindex);
1296 MSG_WriteByte (&sv.signon, svent->baseline.frame);
1298 MSG_WriteByte (&sv.signon, svent->baseline.colormap);
1299 MSG_WriteByte (&sv.signon, svent->baseline.skin);
1300 for (i=0 ; i<3 ; i++)
1302 MSG_WriteFloatCoord(&sv.signon, svent->baseline.origin[i]);
1303 MSG_WriteAngle(&sv.signon, svent->baseline.angles[i]);
1313 Tell all the clients that the server is changing levels
1316 void SV_SendReconnect (void)
1323 msg.maxsize = sizeof(data);
1325 MSG_WriteChar (&msg, svc_stufftext);
1326 MSG_WriteString (&msg, "reconnect\n");
1327 NET_SendToAll (&msg, 5);
1329 if (cls.state != ca_dedicated)
1330 Cmd_ExecuteString ("reconnect\n", src_command);
1338 Grabs the current state of each client for saving across the
1339 transition to another level
1342 void SV_SaveSpawnparms (void)
1346 svs.serverflags = pr_global_struct->serverflags;
1348 for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1350 if (!host_client->active)
1353 // call the progs to get default spawn parms for the new client
1354 pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
1355 PR_ExecuteProgram (pr_global_struct->SetChangeParms, "QC function SetChangeParms is missing");
1356 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1357 host_client->spawn_parms[j] = (&pr_global_struct->parm1)[j];
1365 This is called at the start of each level
1368 extern float scr_centertime_off;
1370 void SV_SpawnServer (char *server)
1375 // let's not have any servers with no name
1376 if (hostname.string[0] == 0)
1377 Cvar_Set ("hostname", "UNNAMED");
1378 scr_centertime_off = 0;
1380 Con_DPrintf ("SpawnServer: %s\n",server);
1381 svs.changelevel_issued = false; // now safe to issue another
1384 // tell all connected clients that we are going to a new level
1387 SV_SendReconnect ();
1390 // make cvars consistant
1393 Cvar_SetValue ("deathmatch", 0);
1394 current_skill = bound(0, (int)(skill.value + 0.5), 3);
1396 Cvar_SetValue ("skill", (float)current_skill);
1399 // set up the new server
1401 Host_ClearMemory ();
1403 memset (&sv, 0, sizeof(sv));
1405 strcpy (sv.name, server);
1407 // load progs to get entity field count
1410 // allocate server memory
1411 sv.max_edicts = MAX_EDICTS;
1413 // clear the edict memory pool
1414 Mem_EmptyPool(sv_edicts_mempool);
1415 sv.edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1417 sv.datagram.maxsize = sizeof(sv.datagram_buf);
1418 sv.datagram.cursize = 0;
1419 sv.datagram.data = sv.datagram_buf;
1421 sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1422 sv.reliable_datagram.cursize = 0;
1423 sv.reliable_datagram.data = sv.reliable_datagram_buf;
1425 sv.signon.maxsize = sizeof(sv.signon_buf);
1426 sv.signon.cursize = 0;
1427 sv.signon.data = sv.signon_buf;
1429 // leave slots at start for clients only
1430 sv.num_edicts = svs.maxclients+1;
1431 for (i=0 ; i<svs.maxclients ; i++)
1433 ent = EDICT_NUM(i+1);
1434 svs.clients[i].edict = ent;
1437 sv.state = ss_loading;
1444 strcpy (sv.name, server);
1445 sprintf (sv.modelname,"maps/%s.bsp", server);
1446 sv.worldmodel = Mod_ForName(sv.modelname, false, true, true);
1449 Con_Printf ("Couldn't spawn server %s\n", sv.modelname);
1453 sv.models[1] = sv.worldmodel;
1456 // clear world interaction links
1460 sv.sound_precache[0] = pr_strings;
1462 sv.model_precache[0] = pr_strings;
1463 sv.model_precache[1] = sv.modelname;
1464 for (i = 1;i < sv.worldmodel->numsubmodels;i++)
1466 sv.model_precache[i+1] = localmodels[i];
1467 sv.models[i+1] = Mod_ForName (localmodels[i], false, false, false);
1471 // load the rest of the entities
1474 memset (&ent->v, 0, progs->entityfields * 4);
1476 ent->v.model = sv.worldmodel->name - pr_strings;
1477 ent->v.modelindex = 1; // world model
1478 ent->v.solid = SOLID_BSP;
1479 ent->v.movetype = MOVETYPE_PUSH;
1482 pr_global_struct->coop = coop.integer;
1484 pr_global_struct->deathmatch = deathmatch.integer;
1486 pr_global_struct->mapname = sv.name - pr_strings;
1488 // serverflags are for cross level information (sigils)
1489 pr_global_struct->serverflags = svs.serverflags;
1491 ED_LoadFromFile (sv.worldmodel->entities);
1492 // LordHavoc: clear world angles (to fix e3m3.bsp)
1493 VectorClear(sv.edicts->v.angles);
1497 // all setup is completed, any further precache statements are errors
1498 sv.state = ss_active;
1500 // run two frames to allow everything to settle
1501 sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
1507 // create a baseline for more efficient communications
1508 SV_CreateBaseline ();
1510 // send serverinfo to all connected clients
1511 for (i=0,host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1512 if (host_client->active)
1513 SV_SendServerinfo (host_client);
1515 Con_DPrintf ("Server spawned.\n");