collision code cleanups (model->brush.TraceBox is now used for everything except...
[divverent/darkplaces.git] / sv_main.c
1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
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.
8
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.
12
13 See the GNU General Public License for more details.
14
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.
18
19 */
20 // sv_main.c -- server main program
21
22 #include "quakedef.h"
23 #include "portals.h"
24
25 static cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "0"}; // fast but loose
26 static cvar_t sv_cullentities_portal = {0, "sv_cullentities_portal", "0"}; // extremely accurate visibility checking, but too slow
27 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
28 static cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0"};
29 static cvar_t sv_entpatch = {0, "sv_entpatch", "1"};
30
31 server_t sv;
32 server_static_t svs;
33
34 static char localmodels[MAX_MODELS][5];                 // inline model names for precache
35
36 mempool_t *sv_edicts_mempool = NULL;
37
38 //============================================================================
39
40 extern void SV_Phys_Init (void);
41 extern void SV_World_Init (void);
42
43 /*
44 ===============
45 SV_Init
46 ===============
47 */
48 void SV_Init (void)
49 {
50         int i;
51
52         Cvar_RegisterVariable (&sv_maxvelocity);
53         Cvar_RegisterVariable (&sv_gravity);
54         Cvar_RegisterVariable (&sv_friction);
55         Cvar_RegisterVariable (&sv_edgefriction);
56         Cvar_RegisterVariable (&sv_stopspeed);
57         Cvar_RegisterVariable (&sv_maxspeed);
58         Cvar_RegisterVariable (&sv_accelerate);
59         Cvar_RegisterVariable (&sv_idealpitchscale);
60         Cvar_RegisterVariable (&sv_aim);
61         Cvar_RegisterVariable (&sv_nostep);
62         Cvar_RegisterVariable (&sv_deltacompress);
63         Cvar_RegisterVariable (&sv_cullentities_pvs);
64         Cvar_RegisterVariable (&sv_cullentities_portal);
65         Cvar_RegisterVariable (&sv_cullentities_trace);
66         Cvar_RegisterVariable (&sv_cullentities_stats);
67         Cvar_RegisterVariable (&sv_entpatch);
68
69         SV_Phys_Init();
70         SV_World_Init();
71
72         for (i = 0;i < MAX_MODELS;i++)
73                 sprintf (localmodels[i], "*%i", i);
74
75         sv_edicts_mempool = Mem_AllocPool("edicts");
76 }
77
78 /*
79 =============================================================================
80
81 EVENT MESSAGES
82
83 =============================================================================
84 */
85
86 /*
87 ==================
88 SV_StartParticle
89
90 Make sure the event gets sent to all clients
91 ==================
92 */
93 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
94 {
95         int             i, v;
96
97         if (sv.datagram.cursize > MAX_DATAGRAM-16)
98                 return;
99         MSG_WriteByte (&sv.datagram, svc_particle);
100         MSG_WriteDPCoord (&sv.datagram, org[0]);
101         MSG_WriteDPCoord (&sv.datagram, org[1]);
102         MSG_WriteDPCoord (&sv.datagram, org[2]);
103         for (i=0 ; i<3 ; i++)
104         {
105                 v = dir[i]*16;
106                 if (v > 127)
107                         v = 127;
108                 else if (v < -128)
109                         v = -128;
110                 MSG_WriteChar (&sv.datagram, v);
111         }
112         MSG_WriteByte (&sv.datagram, count);
113         MSG_WriteByte (&sv.datagram, color);
114 }
115
116 /*
117 ==================
118 SV_StartEffect
119
120 Make sure the event gets sent to all clients
121 ==================
122 */
123 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
124 {
125         if (sv.datagram.cursize > MAX_DATAGRAM-18)
126                 return;
127         if (modelindex >= 256 || startframe >= 256)
128         {
129                 MSG_WriteByte (&sv.datagram, svc_effect2);
130                 MSG_WriteDPCoord (&sv.datagram, org[0]);
131                 MSG_WriteDPCoord (&sv.datagram, org[1]);
132                 MSG_WriteDPCoord (&sv.datagram, org[2]);
133                 MSG_WriteShort (&sv.datagram, modelindex);
134                 MSG_WriteShort (&sv.datagram, startframe);
135                 MSG_WriteByte (&sv.datagram, framecount);
136                 MSG_WriteByte (&sv.datagram, framerate);
137         }
138         else
139         {
140                 MSG_WriteByte (&sv.datagram, svc_effect);
141                 MSG_WriteDPCoord (&sv.datagram, org[0]);
142                 MSG_WriteDPCoord (&sv.datagram, org[1]);
143                 MSG_WriteDPCoord (&sv.datagram, org[2]);
144                 MSG_WriteByte (&sv.datagram, modelindex);
145                 MSG_WriteByte (&sv.datagram, startframe);
146                 MSG_WriteByte (&sv.datagram, framecount);
147                 MSG_WriteByte (&sv.datagram, framerate);
148         }
149 }
150
151 /*
152 ==================
153 SV_StartSound
154
155 Each entity can have eight independant sound sources, like voice,
156 weapon, feet, etc.
157
158 Channel 0 is an auto-allocate channel, the others override anything
159 already running on that entity/channel pair.
160
161 An attenuation of 0 will play full volume everywhere in the level.
162 Larger attenuations will drop off.  (max 4 attenuation)
163
164 ==================
165 */
166 void SV_StartSound (edict_t *entity, int channel, char *sample, int volume, float attenuation)
167 {
168         int sound_num, field_mask, i, ent;
169
170         if (volume < 0 || volume > 255)
171                 Host_Error ("SV_StartSound: volume = %i", volume);
172
173         if (attenuation < 0 || attenuation > 4)
174                 Host_Error ("SV_StartSound: attenuation = %f", attenuation);
175
176         if (channel < 0 || channel > 7)
177                 Host_Error ("SV_StartSound: channel = %i", channel);
178
179         if (sv.datagram.cursize > MAX_DATAGRAM-16)
180                 return;
181
182 // find precache number for sound
183         for (sound_num=1 ; sound_num<MAX_SOUNDS && sv.sound_precache[sound_num] ; sound_num++)
184                 if (!strcmp(sample, sv.sound_precache[sound_num]))
185                         break;
186
187         if ( sound_num == MAX_SOUNDS || !sv.sound_precache[sound_num] )
188         {
189                 Con_Printf ("SV_StartSound: %s not precached\n", sample);
190                 return;
191         }
192
193         ent = NUM_FOR_EDICT(entity);
194
195         field_mask = 0;
196         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
197                 field_mask |= SND_VOLUME;
198         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
199                 field_mask |= SND_ATTENUATION;
200         if (ent >= 8192)
201                 field_mask |= SND_LARGEENTITY;
202         if (sound_num >= 256 || channel >= 8)
203                 field_mask |= SND_LARGESOUND;
204
205 // directed messages go only to the entity they are targeted on
206         MSG_WriteByte (&sv.datagram, svc_sound);
207         MSG_WriteByte (&sv.datagram, field_mask);
208         if (field_mask & SND_VOLUME)
209                 MSG_WriteByte (&sv.datagram, volume);
210         if (field_mask & SND_ATTENUATION)
211                 MSG_WriteByte (&sv.datagram, attenuation*64);
212         if (field_mask & SND_LARGEENTITY)
213         {
214                 MSG_WriteShort (&sv.datagram, ent);
215                 MSG_WriteByte (&sv.datagram, channel);
216         }
217         else
218                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
219         if (field_mask & SND_LARGESOUND)
220                 MSG_WriteShort (&sv.datagram, sound_num);
221         else
222                 MSG_WriteByte (&sv.datagram, sound_num);
223         for (i = 0;i < 3;i++)
224                 MSG_WriteDPCoord (&sv.datagram, entity->v->origin[i]+0.5*(entity->v->mins[i]+entity->v->maxs[i]));
225 }
226
227 /*
228 ==============================================================================
229
230 CLIENT SPAWNING
231
232 ==============================================================================
233 */
234
235 /*
236 ================
237 SV_SendServerinfo
238
239 Sends the first message from the server to a connected client.
240 This will be sent on the initial connection and upon each server load.
241 ================
242 */
243 void SV_SendServerinfo (client_t *client)
244 {
245         char                    **s;
246         char                    message[128];
247
248         // edicts get reallocated on level changes, so we need to update it here
249         client->edict = EDICT_NUM((client - svs.clients) + 1);
250
251         // LordHavoc: clear entityframe tracking
252         client->entityframenumber = 0;
253         EntityFrame_ClearDatabase(&client->entitydatabase);
254
255         MSG_WriteByte (&client->message, svc_print);
256         sprintf (message, "\002\nServer: %s build %s (progs %i crc)", gamename, buildstring, pr_crc);
257         MSG_WriteString (&client->message,message);
258
259         MSG_WriteByte (&client->message, svc_serverinfo);
260         MSG_WriteLong (&client->message, DPPROTOCOL_VERSION3);
261         MSG_WriteByte (&client->message, svs.maxclients);
262
263         if (!coop.integer && deathmatch.integer)
264                 MSG_WriteByte (&client->message, GAME_DEATHMATCH);
265         else
266                 MSG_WriteByte (&client->message, GAME_COOP);
267
268         MSG_WriteString (&client->message,PR_GetString(sv.edicts->v->message));
269
270         for (s = sv.model_precache+1 ; *s ; s++)
271                 MSG_WriteString (&client->message, *s);
272         MSG_WriteByte (&client->message, 0);
273
274         for (s = sv.sound_precache+1 ; *s ; s++)
275                 MSG_WriteString (&client->message, *s);
276         MSG_WriteByte (&client->message, 0);
277
278 // send music
279         MSG_WriteByte (&client->message, svc_cdtrack);
280         MSG_WriteByte (&client->message, sv.edicts->v->sounds);
281         MSG_WriteByte (&client->message, sv.edicts->v->sounds);
282
283 // set view
284         MSG_WriteByte (&client->message, svc_setview);
285         MSG_WriteShort (&client->message, NUM_FOR_EDICT(client->edict));
286
287         MSG_WriteByte (&client->message, svc_signonnum);
288         MSG_WriteByte (&client->message, 1);
289
290         client->sendsignon = true;
291         client->spawned = false;                // need prespawn, spawn, etc
292 }
293
294 /*
295 ================
296 SV_ConnectClient
297
298 Initializes a client_t for a new net connection.  This will only be called
299 once for a player each game, not once for each level change.
300 ================
301 */
302 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
303 {
304         client_t                *client;
305         int                             i;
306         float                   spawn_parms[NUM_SPAWN_PARMS];
307
308         client = svs.clients + clientnum;
309
310 // set up the client_t
311         if (sv.loadgame)
312                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
313         memset (client, 0, sizeof(*client));
314         client->netconnection = netconnection;
315
316         Con_DPrintf("Client %s connected\n", client->netconnection->address);
317
318         strcpy(client->name, "unconnected");
319         strcpy(client->old_name, "unconnected");
320         client->active = true;
321         client->spawned = false;
322         client->edict = EDICT_NUM(clientnum+1);
323         client->message.data = client->msgbuf;
324         client->message.maxsize = sizeof(client->msgbuf);
325         client->message.allowoverflow = true;           // we can catch it
326
327         if (sv.loadgame)
328                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
329         else
330         {
331                 // call the progs to get default spawn parms for the new client
332                 PR_ExecuteProgram (pr_global_struct->SetNewParms, "QC function SetNewParms is missing");
333                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
334                         client->spawn_parms[i] = (&pr_global_struct->parm1)[i];
335         }
336
337         SV_SendServerinfo (client);
338 }
339
340
341 /*
342 ===============================================================================
343
344 FRAME UPDATES
345
346 ===============================================================================
347 */
348
349 /*
350 ==================
351 SV_ClearDatagram
352
353 ==================
354 */
355 void SV_ClearDatagram (void)
356 {
357         SZ_Clear (&sv.datagram);
358 }
359
360 /*
361 =============================================================================
362
363 The PVS must include a small area around the client to allow head bobbing
364 or other small motion on the client side.  Otherwise, a bob might cause an
365 entity that should be visible to not show up, especially when the bob
366 crosses a waterline.
367
368 =============================================================================
369 */
370
371 int             fatbytes;
372 qbyte   fatpvs[MAX_MAP_LEAFS/8];
373
374 void SV_AddToFatPVS (vec3_t org, mnode_t *node)
375 {
376         int             i;
377         qbyte   *pvs;
378         mplane_t        *plane;
379         float   d;
380
381         while (1)
382         {
383         // if this is a leaf, accumulate the pvs bits
384                 if (node->contents < 0)
385                 {
386                         if (node->contents != CONTENTS_SOLID)
387                         {
388                                 pvs = sv.worldmodel->brushq1.LeafPVS(sv.worldmodel, (mleaf_t *)node);
389                                 for (i=0 ; i<fatbytes ; i++)
390                                         fatpvs[i] |= pvs[i];
391                         }
392                         return;
393                 }
394
395                 plane = node->plane;
396                 d = DotProduct (org, plane->normal) - plane->dist;
397                 if (d > 8)
398                         node = node->children[0];
399                 else if (d < -8)
400                         node = node->children[1];
401                 else
402                 {       // go down both
403                         SV_AddToFatPVS (org, node->children[0]);
404                         node = node->children[1];
405                 }
406         }
407 }
408
409 /*
410 =============
411 SV_FatPVS
412
413 Calculates a PVS that is the inclusive or of all leafs within 8 pixels of the
414 given point.
415 =============
416 */
417 qbyte *SV_FatPVS (vec3_t org)
418 {
419         fatbytes = (sv.worldmodel->brushq1.numleafs+31)>>3;
420         memset (fatpvs, 0, fatbytes);
421         SV_AddToFatPVS (org, sv.worldmodel->brushq1.nodes);
422         return fatpvs;
423 }
424
425 //=============================================================================
426
427
428 int SV_BoxTouchingPVS (qbyte *pvs, vec3_t mins, vec3_t maxs, mnode_t *node)
429 {
430         int leafnum;
431 loc0:
432         if (node->contents < 0)
433         {
434                 // leaf
435                 if (node->contents == CONTENTS_SOLID)
436                         return false;
437                 leafnum = (mleaf_t *)node - sv.worldmodel->brushq1.leafs - 1;
438                 return pvs[leafnum >> 3] & (1 << (leafnum & 7));
439         }
440
441         // node - recurse down the BSP tree
442         switch (BoxOnPlaneSide(mins, maxs, node->plane))
443         {
444         case 1: // front
445                 node = node->children[0];
446                 goto loc0;
447         case 2: // back
448                 node = node->children[1];
449                 goto loc0;
450         default: // crossing
451                 if (node->children[0]->contents != CONTENTS_SOLID)
452                         if (SV_BoxTouchingPVS (pvs, mins, maxs, node->children[0]))
453                                 return true;
454                 node = node->children[1];
455                 goto loc0;
456         }
457         // never reached
458         return false;
459 }
460
461
462 /*
463 =============
464 SV_WriteEntitiesToClient
465
466 =============
467 */
468 #ifdef QUAKEENTITIES
469 void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
470 {
471         int e, clentnum, bits, alpha, glowcolor, glowsize, scale, effects, lightsize;
472         int culled_pvs, culled_portal, culled_trace, visibleentities, totalentities;
473         qbyte *pvs;
474         vec3_t origin, angles, entmins, entmaxs, testorigin, testeye;
475         float nextfullupdate, alphaf;
476         edict_t *ent;
477         eval_t *val;
478         entity_state_t *baseline; // LordHavoc: delta or startup baseline
479         model_t *model;
480
481         Mod_CheckLoaded(sv.worldmodel);
482
483 // find the client's PVS
484         VectorAdd (clent->v->origin, clent->v->view_ofs, testeye);
485         pvs = SV_FatPVS (testeye);
486
487         culled_pvs = 0;
488         culled_portal = 0;
489         culled_trace = 0;
490         visibleentities = 0;
491         totalentities = 0;
492
493         clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
494         // send all entities that touch the pvs
495         ent = NEXT_EDICT(sv.edicts);
496         for (e = 1;e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
497         {
498                 bits = 0;
499
500                 // prevent delta compression against this frame (unless actually sent, which will restore this later)
501                 nextfullupdate = client->nextfullupdate[e];
502                 client->nextfullupdate[e] = -1;
503
504                 if (ent != clent) // LordHavoc: always send player
505                 {
506                         if ((val = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)) && val->edict)
507                         {
508                                 if (val->edict != clentnum)
509                                 {
510                                         // don't show to anyone else
511                                         continue;
512                                 }
513                                 else
514                                         bits |= U_VIEWMODEL; // show relative to the view
515                         }
516                         else
517                         {
518                                 // LordHavoc: never draw something told not to display to this client
519                                 if ((val = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)) && val->edict == clentnum)
520                                         continue;
521                                 if ((val = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)) && val->edict && val->edict != clentnum)
522                                         continue;
523                         }
524                 }
525
526                 glowsize = 0;
527
528                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_size)))
529                         glowsize = (int) val->_float >> 2;
530                 if (glowsize > 255) glowsize = 255;
531                 if (glowsize < 0) glowsize = 0;
532
533                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_trail)))
534                 if (val->_float != 0)
535                         bits |= U_GLOWTRAIL;
536
537                 if (ent->v->modelindex >= 0 && ent->v->modelindex < MAX_MODELS && *PR_GetString(ent->v->model))
538                 {
539                         model = sv.models[(int)ent->v->modelindex];
540                         Mod_CheckLoaded(model);
541                 }
542                 else
543                 {
544                         model = NULL;
545                         if (ent != clent) // LordHavoc: always send player
546                                 if (glowsize == 0 && (bits & U_GLOWTRAIL) == 0) // no effects
547                                         continue;
548                 }
549
550                 VectorCopy(ent->v->angles, angles);
551                 VectorCopy(ent->v->origin, origin);
552
553                 // ent has survived every check so far, check if it is visible
554                 if (ent != clent && ((bits & U_VIEWMODEL) == 0))
555                 {
556                         // use the predicted origin
557                         entmins[0] = origin[0] - 1.0f;
558                         entmins[1] = origin[1] - 1.0f;
559                         entmins[2] = origin[2] - 1.0f;
560                         entmaxs[0] = origin[0] + 1.0f;
561                         entmaxs[1] = origin[1] + 1.0f;
562                         entmaxs[2] = origin[2] + 1.0f;
563                         // using the model's bounding box to ensure things are visible regardless of their physics box
564                         if (model)
565                         {
566                                 if (ent->v->angles[0] || ent->v->angles[2]) // pitch and roll
567                                 {
568                                         VectorAdd(entmins, model->rotatedmins, entmins);
569                                         VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
570                                 }
571                                 else if (ent->v->angles[1])
572                                 {
573                                         VectorAdd(entmins, model->yawmins, entmins);
574                                         VectorAdd(entmaxs, model->yawmaxs, entmaxs);
575                                 }
576                                 else
577                                 {
578                                         VectorAdd(entmins, model->normalmins, entmins);
579                                         VectorAdd(entmaxs, model->normalmaxs, entmaxs);
580                                 }
581                         }
582
583                         totalentities++;
584
585                         // if not touching a visible leaf
586                         if (sv_cullentities_pvs.integer && !SV_BoxTouchingPVS(pvs, entmins, entmaxs, sv.worldmodel->brushq1.nodes))
587                         {
588                                 culled_pvs++;
589                                 continue;
590                         }
591
592                         // or not visible through the portals
593                         if (sv_cullentities_portal.integer && !Portal_CheckBox(sv.worldmodel, testeye, entmins, entmaxs))
594                         {
595                                 culled_portal++;
596                                 continue;
597                         }
598
599                         // don't try to cull embedded brush models with this, they're sometimes huge (spanning several rooms)
600                         if (sv_cullentities_trace.integer && (model == NULL || model->type != mod_brush || model->name[0] != '*'))
601                         {
602                                 // LordHavoc: test random offsets, to maximize chance of detection
603                                 testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
604                                 testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
605                                 testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
606
607                                 if (SV_Move(testeye, vec3_origin, vec3_origin, testorigin, MOVE_NOMONSTERS, NULL).fraction == 1)
608                                         client->visibletime[e] = realtime + 1;
609                                 else
610                                 {
611                                         //test nearest point on bbox
612                                         testorigin[0] = bound(entmins[0], testeye[0], entmaxs[0]);
613                                         testorigin[1] = bound(entmins[1], testeye[1], entmaxs[1]);
614                                         testorigin[2] = bound(entmins[2], testeye[2], entmaxs[2]);
615
616                                         if (SV_Move(testeye, vec3_origin, vec3_origin, testorigin, MOVE_NOMONSTERS, NULL).fraction == 1)
617                                                 client->visibletime[e] = realtime + 1;
618                                         else if (realtime > client->visibletime[e])
619                                         {
620                                                 culled_trace++;
621                                                 continue;
622                                         }
623                                 }
624                         }
625                         visibleentities++;
626                 }
627
628                 alphaf = 255.0f;
629                 scale = 16;
630                 glowcolor = 254;
631                 effects = ent->v->effects;
632
633                 if ((val = GETEDICTFIELDVALUE(ent, eval_alpha)))
634                 if (val->_float != 0)
635                         alphaf = val->_float * 255.0f;
636
637                 // HalfLife support
638                 if ((val = GETEDICTFIELDVALUE(ent, eval_renderamt)))
639                 if (val->_float != 0)
640                         alphaf = val->_float;
641
642                 if (alphaf == 0.0f)
643                         alphaf = 255.0f;
644                 alpha = bound(0, alphaf, 255);
645
646                 if ((val = GETEDICTFIELDVALUE(ent, eval_scale)))
647                 if ((scale = (int) (val->_float * 16.0)) == 0) scale = 16;
648                 if (scale < 0) scale = 0;
649                 if (scale > 255) scale = 255;
650
651                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_color)))
652                 if (val->_float != 0)
653                         glowcolor = (int) val->_float;
654
655                 if ((val = GETEDICTFIELDVALUE(ent, eval_fullbright)))
656                 if (val->_float != 0)
657                         effects |= EF_FULLBRIGHT;
658
659                 if (ent != clent)
660                 {
661                         if (glowsize == 0 && (bits & U_GLOWTRAIL) == 0) // no effects
662                         {
663                                 if (model) // model
664                                 {
665                                         // don't send if flagged for NODRAW and there are no effects
666                                         if (model->flags == 0 && ((effects & EF_NODRAW) || scale <= 0 || alpha <= 0))
667                                                 continue;
668                                 }
669                                 else // no model and no effects
670                                         continue;
671                         }
672                 }
673
674                 if (msg->maxsize - msg->cursize < 32) // LordHavoc: increased check from 16 to 32
675                 {
676                         Con_Printf ("packet overflow\n");
677                         // mark the rest of the entities so they can't be delta compressed against this frame
678                         for (;e < sv.num_edicts;e++)
679                         {
680                                 client->nextfullupdate[e] = -1;
681                                 client->visibletime[e] = -1;
682                         }
683                         return;
684                 }
685
686                 if ((val = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)) && val->edict == clentnum)
687                         bits = bits | U_EXTERIORMODEL;
688
689 // send an update
690                 baseline = &ent->e->baseline;
691
692                 if (((int)ent->v->effects & EF_DELTA) && sv_deltacompress.integer)
693                 {
694                         // every half second a full update is forced
695                         if (realtime < client->nextfullupdate[e])
696                         {
697                                 bits |= U_DELTA;
698                                 baseline = &ent->e->deltabaseline;
699                         }
700                         else
701                                 nextfullupdate = realtime + 0.5f;
702                 }
703                 else
704                         nextfullupdate = realtime + 0.5f;
705
706                 // restore nextfullupdate since this is being sent for real
707                 client->nextfullupdate[e] = nextfullupdate;
708
709                 if (e >= 256)
710                         bits |= U_LONGENTITY;
711
712                 if (ent->v->movetype == MOVETYPE_STEP)
713                         bits |= U_STEP;
714
715                 // LordHavoc: old stuff, but rewritten to have more exact tolerances
716                 if (origin[0] != baseline->origin[0])                                                                                   bits |= U_ORIGIN1;
717                 if (origin[1] != baseline->origin[1])                                                                                   bits |= U_ORIGIN2;
718                 if (origin[2] != baseline->origin[2])                                                                                   bits |= U_ORIGIN3;
719                 if (((int)(angles[0]*(256.0/360.0)) & 255) != ((int)(baseline->angles[0]*(256.0/360.0)) & 255)) bits |= U_ANGLE1;
720                 if (((int)(angles[1]*(256.0/360.0)) & 255) != ((int)(baseline->angles[1]*(256.0/360.0)) & 255)) bits |= U_ANGLE2;
721                 if (((int)(angles[2]*(256.0/360.0)) & 255) != ((int)(baseline->angles[2]*(256.0/360.0)) & 255)) bits |= U_ANGLE3;
722                 if (baseline->colormap != (qbyte) ent->v->colormap)                                                             bits |= U_COLORMAP;
723                 if (baseline->skin != (qbyte) ent->v->skin)                                                                             bits |= U_SKIN;
724                 if ((baseline->frame & 0x00FF) != ((int) ent->v->frame & 0x00FF))                               bits |= U_FRAME;
725                 if ((baseline->effects & 0x00FF) != ((int) ent->v->effects & 0x00FF))                   bits |= U_EFFECTS;
726                 if ((baseline->modelindex & 0x00FF) != ((int) ent->v->modelindex & 0x00FF))             bits |= U_MODEL;
727
728                 // LordHavoc: new stuff
729                 if (baseline->alpha != alpha)                                                                                                   bits |= U_ALPHA;
730                 if (baseline->scale != scale)                                                                                                   bits |= U_SCALE;
731                 if (((int) baseline->effects & 0xFF00) != ((int) ent->v->effects & 0xFF00))             bits |= U_EFFECTS2;
732                 if (baseline->glowsize != glowsize)                                                                                             bits |= U_GLOWSIZE;
733                 if (baseline->glowcolor != glowcolor)                                                                                   bits |= U_GLOWCOLOR;
734                 if (((int) baseline->frame & 0xFF00) != ((int) ent->v->frame & 0xFF00))                 bits |= U_FRAME2;
735                 if (((int) baseline->frame & 0xFF00) != ((int) ent->v->modelindex & 0xFF00))            bits |= U_MODEL2;
736
737                 // update delta baseline
738                 VectorCopy(ent->v->origin, ent->e->deltabaseline.origin);
739                 VectorCopy(ent->v->angles, ent->e->deltabaseline.angles);
740                 ent->e->deltabaseline.colormap = ent->v->colormap;
741                 ent->e->deltabaseline.skin = ent->v->skin;
742                 ent->e->deltabaseline.frame = ent->v->frame;
743                 ent->e->deltabaseline.effects = ent->v->effects;
744                 ent->e->deltabaseline.modelindex = ent->v->modelindex;
745                 ent->e->deltabaseline.alpha = alpha;
746                 ent->e->deltabaseline.scale = scale;
747                 ent->e->deltabaseline.glowsize = glowsize;
748                 ent->e->deltabaseline.glowcolor = glowcolor;
749
750                 // write the message
751                 if (bits >= 16777216)
752                         bits |= U_EXTEND2;
753                 if (bits >= 65536)
754                         bits |= U_EXTEND1;
755                 if (bits >= 256)
756                         bits |= U_MOREBITS;
757                 bits |= U_SIGNAL;
758
759                 MSG_WriteByte (msg, bits);
760                 if (bits & U_MOREBITS)
761                         MSG_WriteByte (msg, bits>>8);
762                 // LordHavoc: extend bytes have to be written here due to delta compression
763                 if (bits & U_EXTEND1)
764                         MSG_WriteByte (msg, bits>>16);
765                 if (bits & U_EXTEND2)
766                         MSG_WriteByte (msg, bits>>24);
767
768                 // LordHavoc: old stuff
769                 if (bits & U_LONGENTITY)
770                         MSG_WriteShort (msg,e);
771                 else
772                         MSG_WriteByte (msg,e);
773                 if (bits & U_MODEL)             MSG_WriteByte (msg,     ent->v->modelindex);
774                 if (bits & U_FRAME)             MSG_WriteByte (msg, ent->v->frame);
775                 if (bits & U_COLORMAP)  MSG_WriteByte (msg, ent->v->colormap);
776                 if (bits & U_SKIN)              MSG_WriteByte (msg, ent->v->skin);
777                 if (bits & U_EFFECTS)   MSG_WriteByte (msg, ent->v->effects);
778                 if (bits & U_ORIGIN1)   MSG_WriteDPCoord (msg, origin[0]);
779                 if (bits & U_ANGLE1)    MSG_WriteAngle(msg, angles[0]);
780                 if (bits & U_ORIGIN2)   MSG_WriteDPCoord (msg, origin[1]);
781                 if (bits & U_ANGLE2)    MSG_WriteAngle(msg, angles[1]);
782                 if (bits & U_ORIGIN3)   MSG_WriteDPCoord (msg, origin[2]);
783                 if (bits & U_ANGLE3)    MSG_WriteAngle(msg, angles[2]);
784
785                 // LordHavoc: new stuff
786                 if (bits & U_ALPHA)             MSG_WriteByte(msg, alpha);
787                 if (bits & U_SCALE)             MSG_WriteByte(msg, scale);
788                 if (bits & U_EFFECTS2)  MSG_WriteByte(msg, (int)ent->v->effects >> 8);
789                 if (bits & U_GLOWSIZE)  MSG_WriteByte(msg, glowsize);
790                 if (bits & U_GLOWCOLOR) MSG_WriteByte(msg, glowcolor);
791                 if (bits & U_FRAME2)    MSG_WriteByte(msg, (int)ent->v->frame >> 8);
792                 if (bits & U_MODEL2)    MSG_WriteByte(msg, (int)ent->v->modelindex >> 8);
793         }
794
795         if (sv_cullentities_stats.integer)
796                 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);
797 }
798 #else
799 static entity_frame_t sv_writeentitiestoclient_entityframe;
800 void SV_WriteEntitiesToClient (client_t *client, edict_t *clent, sizebuf_t *msg)
801 {
802         int e, clentnum, flags, alpha, glowcolor, glowsize, scale, effects, modelindex;
803         int culled_pvs, culled_portal, culled_trace, visibleentities, totalentities;
804         float alphaf, lightsize;
805         qbyte *pvs;
806         vec3_t origin, angles, entmins, entmaxs, lightmins, lightmaxs, testorigin, testeye;
807         edict_t *ent;
808         eval_t *val;
809         model_t *model;
810         entity_state_t *s;
811
812         Mod_CheckLoaded(sv.worldmodel);
813
814 // find the client's PVS
815         // the real place being tested from
816         VectorAdd (clent->v->origin, clent->v->view_ofs, testeye);
817         pvs = SV_FatPVS (testeye);
818
819         // the place being reported (to consider the fact the client still
820         // applies the view_ofs[2], so we have to only send the fractional part
821         // of view_ofs[2], undoing what the client will redo)
822         VectorCopy (testeye, testorigin);
823         e = (int) clent->v->view_ofs[2] & 255;
824         if (e >= 128)
825                 e -= 256;
826         testorigin[2] -= (float) e;
827         EntityFrame_Clear(&sv_writeentitiestoclient_entityframe, testorigin);
828
829         culled_pvs = 0;
830         culled_portal = 0;
831         culled_trace = 0;
832         visibleentities = 0;
833         totalentities = 0;
834
835         clentnum = EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
836         // send all entities that touch the pvs
837         ent = NEXT_EDICT(sv.edicts);
838         for (e = 1;e < sv.num_edicts;e++, ent = NEXT_EDICT(ent))
839         {
840                 if (ent->e->free)
841                         continue;
842                 flags = 0;
843
844                 if (ent != clent) // LordHavoc: always send player
845                 {
846                         if ((val = GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)) && val->edict)
847                         {
848                                 if (val->edict == clentnum)
849                                         flags |= RENDER_VIEWMODEL; // show relative to the view
850                                 else
851                                 {
852                                         // don't show to anyone else
853                                         continue;
854                                 }
855                         }
856                         else
857                         {
858                                 // LordHavoc: never draw something told not to display to this client
859                                 if ((val = GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)) && val->edict == clentnum)
860                                         continue;
861                                 if ((val = GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)) && val->edict && val->edict != clentnum)
862                                         continue;
863                         }
864                 }
865
866                 glowsize = 0;
867                 effects = ent->v->effects;
868                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_size)))
869                         glowsize = (int) val->_float >> 2;
870                 glowsize = bound(0, glowsize, 255);
871
872                 lightsize = 0;
873                 if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
874                 {
875                         if (effects & EF_BRIGHTFIELD)
876                                 lightsize = max(lightsize, 80);
877                         if (effects & EF_MUZZLEFLASH)
878                                 lightsize = max(lightsize, 100);
879                         if (effects & EF_BRIGHTLIGHT)
880                                 lightsize = max(lightsize, 400);
881                         if (effects & EF_DIMLIGHT)
882                                 lightsize = max(lightsize, 200);
883                         if (effects & EF_RED)
884                                 lightsize = max(lightsize, 200);
885                         if (effects & EF_BLUE)
886                                 lightsize = max(lightsize, 200);
887                         if (effects & EF_FLAME)
888                                 lightsize = max(lightsize, 250);
889                         if (effects & EF_STARDUST)
890                                 lightsize = max(lightsize, 100);
891                 }
892                 if (glowsize)
893                         lightsize = max(lightsize, glowsize << 2);
894
895                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_trail)))
896                 if (val->_float != 0)
897                 {
898                         flags |= RENDER_GLOWTRAIL;
899                         lightsize = max(lightsize, 100);
900                 }
901
902                 modelindex = 0;
903                 if (ent->v->modelindex >= 0 && ent->v->modelindex < MAX_MODELS && *PR_GetString(ent->v->model))
904                 {
905                         modelindex = ent->v->modelindex;
906                         model = sv.models[(int)ent->v->modelindex];
907                         Mod_CheckLoaded(model);
908                 }
909                 else
910                 {
911                         model = NULL;
912                         if (ent != clent) // LordHavoc: always send player
913                                 if (lightsize == 0) // no effects
914                                         continue;
915                 }
916
917                 VectorCopy(ent->v->angles, angles);
918                 VectorCopy(ent->v->origin, origin);
919
920                 // ent has survived every check so far, check if it is visible
921                 // always send embedded brush models, they don't generate much traffic
922                 if (ent != clent && ((flags & RENDER_VIEWMODEL) == 0) && (model == NULL || model->type != mod_brush || model->name[0] != '*'))
923                 {
924                         // use the predicted origin
925                         entmins[0] = origin[0] - 1.0f;
926                         entmins[1] = origin[1] - 1.0f;
927                         entmins[2] = origin[2] - 1.0f;
928                         entmaxs[0] = origin[0] + 1.0f;
929                         entmaxs[1] = origin[1] + 1.0f;
930                         entmaxs[2] = origin[2] + 1.0f;
931                         // using the model's bounding box to ensure things are visible regardless of their physics box
932                         if (model)
933                         {
934                                 if (ent->v->angles[0] || ent->v->angles[2]) // pitch and roll
935                                 {
936                                         VectorAdd(entmins, model->rotatedmins, entmins);
937                                         VectorAdd(entmaxs, model->rotatedmaxs, entmaxs);
938                                 }
939                                 else if (ent->v->angles[1])
940                                 {
941                                         VectorAdd(entmins, model->yawmins, entmins);
942                                         VectorAdd(entmaxs, model->yawmaxs, entmaxs);
943                                 }
944                                 else
945                                 {
946                                         VectorAdd(entmins, model->normalmins, entmins);
947                                         VectorAdd(entmaxs, model->normalmaxs, entmaxs);
948                                 }
949                         }
950                         lightmins[0] = min(entmins[0], origin[0] - lightsize);
951                         lightmins[1] = min(entmins[1], origin[1] - lightsize);
952                         lightmins[2] = min(entmins[2], origin[2] - lightsize);
953                         lightmaxs[0] = min(entmaxs[0], origin[0] + lightsize);
954                         lightmaxs[1] = min(entmaxs[1], origin[1] + lightsize);
955                         lightmaxs[2] = min(entmaxs[2], origin[2] + lightsize);
956
957                         totalentities++;
958
959                         // if not touching a visible leaf
960                         if (sv_cullentities_pvs.integer && !SV_BoxTouchingPVS(pvs, lightmins, lightmaxs, sv.worldmodel->brushq1.nodes))
961                         {
962                                 culled_pvs++;
963                                 continue;
964                         }
965
966                         // or not visible through the portals
967                         if (sv_cullentities_portal.integer && !Portal_CheckBox(sv.worldmodel, testeye, lightmins, lightmaxs))
968                         {
969                                 culled_portal++;
970                                 continue;
971                         }
972
973                         if (sv_cullentities_trace.integer)
974                         {
975                                 // LordHavoc: test center first
976                                 testorigin[0] = (entmins[0] + entmaxs[0]) * 0.5f;
977                                 testorigin[1] = (entmins[1] + entmaxs[1]) * 0.5f;
978                                 testorigin[2] = (entmins[2] + entmaxs[2]) * 0.5f;
979                                 if (SV_Move(testeye, vec3_origin, vec3_origin, testorigin, MOVE_NOMONSTERS, NULL).fraction == 1)
980                                         client->visibletime[e] = realtime + 1;
981                                 else
982                                 {
983                                         // LordHavoc: test random offsets, to maximize chance of detection
984                                         testorigin[0] = lhrandom(entmins[0], entmaxs[0]);
985                                         testorigin[1] = lhrandom(entmins[1], entmaxs[1]);
986                                         testorigin[2] = lhrandom(entmins[2], entmaxs[2]);
987                                         if (SV_Move(testeye, vec3_origin, vec3_origin, testorigin, MOVE_NOMONSTERS, NULL).fraction == 1)
988                                                 client->visibletime[e] = realtime + 1;
989                                         else
990                                         {
991                                                 if (lightsize)
992                                                 {
993                                                         // LordHavoc: test random offsets, to maximize chance of detection
994                                                         testorigin[0] = lhrandom(lightmins[0], lightmaxs[0]);
995                                                         testorigin[1] = lhrandom(lightmins[1], lightmaxs[1]);
996                                                         testorigin[2] = lhrandom(lightmins[2], lightmaxs[2]);
997                                                         if (SV_Move(testeye, vec3_origin, vec3_origin, testorigin, MOVE_NOMONSTERS, NULL).fraction == 1)
998                                                                 client->visibletime[e] = realtime + 1;
999                                                         else
1000                                                         {
1001                                                                 if (realtime > client->visibletime[e])
1002                                                                 {
1003                                                                         culled_trace++;
1004                                                                         continue;
1005                                                                 }
1006                                                         }
1007                                                 }
1008                                                 else
1009                                                 {
1010                                                         if (realtime > client->visibletime[e])
1011                                                         {
1012                                                                 culled_trace++;
1013                                                                 continue;
1014                                                         }
1015                                                 }
1016                                         }
1017                                 }
1018                         }
1019                         visibleentities++;
1020                 }
1021
1022                 alphaf = 255.0f;
1023                 scale = 16;
1024                 glowcolor = 254;
1025                 effects = ent->v->effects;
1026
1027                 if ((val = GETEDICTFIELDVALUE(ent, eval_alpha)))
1028                 if (val->_float != 0)
1029                         alphaf = val->_float * 255.0;
1030
1031                 // HalfLife support
1032                 if ((val = GETEDICTFIELDVALUE(ent, eval_renderamt)))
1033                 if (val->_float != 0)
1034                         alphaf = val->_float;
1035
1036                 if (alphaf == 0.0f)
1037                         alphaf = 255.0f;
1038                 alpha = bound(0, alphaf, 255);
1039
1040                 if ((val = GETEDICTFIELDVALUE(ent, eval_scale)))
1041                 if ((scale = (int) (val->_float * 16.0)) == 0) scale = 16;
1042                 if (scale < 0) scale = 0;
1043                 if (scale > 255) scale = 255;
1044
1045                 if ((val = GETEDICTFIELDVALUE(ent, eval_glow_color)))
1046                 if (val->_float != 0)
1047                         glowcolor = (int) val->_float;
1048
1049                 if ((val = GETEDICTFIELDVALUE(ent, eval_fullbright)))
1050                 if (val->_float != 0)
1051                         effects |= EF_FULLBRIGHT;
1052
1053                 if (ent != clent)
1054                 {
1055                         if (lightsize == 0) // no effects
1056                         {
1057                                 if (model) // model
1058                                 {
1059                                         // don't send if flagged for NODRAW and there are no effects
1060                                         if (model->flags == 0 && ((effects & EF_NODRAW) || scale <= 0 || alpha <= 0))
1061                                                 continue;
1062                                 }
1063                                 else // no model and no effects
1064                                         continue;
1065                         }
1066                 }
1067
1068                 if ((val = GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)) && val->edict == clentnum)
1069                         flags |= RENDER_EXTERIORMODEL;
1070
1071                 if (ent->v->movetype == MOVETYPE_STEP)
1072                         flags |= RENDER_STEP;
1073                 // don't send an entity if it's coordinates would wrap around
1074                 if ((effects & EF_LOWPRECISION) && origin[0] >= -32768 && origin[1] >= -32768 && origin[2] >= -32768 && origin[0] <= 32767 && origin[1] <= 32767 && origin[2] <= 32767)
1075                         flags |= RENDER_LOWPRECISION;
1076
1077                 s = EntityFrame_NewEntity(&sv_writeentitiestoclient_entityframe, e);
1078                 // if we run out of space, abort
1079                 if (!s)
1080                         break;
1081                 VectorCopy(origin, s->origin);
1082                 VectorCopy(angles, s->angles);
1083                 if (ent->v->colormap >= 1024)
1084                         flags |= RENDER_COLORMAPPED;
1085                 s->colormap = ent->v->colormap;
1086                 s->skin = ent->v->skin;
1087                 s->frame = ent->v->frame;
1088                 s->modelindex = modelindex;
1089                 s->effects = effects;
1090                 s->alpha = alpha;
1091                 s->scale = scale;
1092                 s->glowsize = glowsize;
1093                 s->glowcolor = glowcolor;
1094                 s->flags = flags;
1095         }
1096         sv_writeentitiestoclient_entityframe.framenum = ++client->entityframenumber;
1097         EntityFrame_Write(&client->entitydatabase, &sv_writeentitiestoclient_entityframe, msg);
1098
1099         if (sv_cullentities_stats.integer)
1100                 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);
1101 }
1102 #endif
1103
1104 /*
1105 =============
1106 SV_CleanupEnts
1107
1108 =============
1109 */
1110 void SV_CleanupEnts (void)
1111 {
1112         int             e;
1113         edict_t *ent;
1114
1115         ent = NEXT_EDICT(sv.edicts);
1116         for (e=1 ; e<sv.num_edicts ; e++, ent = NEXT_EDICT(ent))
1117                 ent->v->effects = (int)ent->v->effects & ~EF_MUZZLEFLASH;
1118 }
1119
1120 /*
1121 ==================
1122 SV_WriteClientdataToMessage
1123
1124 ==================
1125 */
1126 void SV_WriteClientdataToMessage (edict_t *ent, sizebuf_t *msg)
1127 {
1128         int             bits;
1129         int             i;
1130         edict_t *other;
1131         int             items;
1132         eval_t  *val;
1133         vec3_t  punchvector;
1134         qbyte   viewzoom;
1135
1136 //
1137 // send a damage message
1138 //
1139         if (ent->v->dmg_take || ent->v->dmg_save)
1140         {
1141                 other = PROG_TO_EDICT(ent->v->dmg_inflictor);
1142                 MSG_WriteByte (msg, svc_damage);
1143                 MSG_WriteByte (msg, ent->v->dmg_save);
1144                 MSG_WriteByte (msg, ent->v->dmg_take);
1145                 for (i=0 ; i<3 ; i++)
1146                         MSG_WriteDPCoord (msg, other->v->origin[i] + 0.5*(other->v->mins[i] + other->v->maxs[i]));
1147
1148                 ent->v->dmg_take = 0;
1149                 ent->v->dmg_save = 0;
1150         }
1151
1152 //
1153 // send the current viewpos offset from the view entity
1154 //
1155         SV_SetIdealPitch ();            // how much to look up / down ideally
1156
1157 // a fixangle might get lost in a dropped packet.  Oh well.
1158         if ( ent->v->fixangle )
1159         {
1160                 MSG_WriteByte (msg, svc_setangle);
1161                 for (i=0 ; i < 3 ; i++)
1162                         MSG_WriteAngle (msg, ent->v->angles[i] );
1163                 ent->v->fixangle = 0;
1164         }
1165
1166         bits = 0;
1167
1168         if (ent->v->view_ofs[2] != DEFAULT_VIEWHEIGHT)
1169                 bits |= SU_VIEWHEIGHT;
1170
1171         if (ent->v->idealpitch)
1172                 bits |= SU_IDEALPITCH;
1173
1174 // stuff the sigil bits into the high bits of items for sbar, or else
1175 // mix in items2
1176         val = GETEDICTFIELDVALUE(ent, eval_items2);
1177
1178         if (val)
1179                 items = (int)ent->v->items | ((int)val->_float << 23);
1180         else
1181                 items = (int)ent->v->items | ((int)pr_global_struct->serverflags << 28);
1182
1183         bits |= SU_ITEMS;
1184
1185         if ( (int)ent->v->flags & FL_ONGROUND)
1186                 bits |= SU_ONGROUND;
1187
1188         if ( ent->v->waterlevel >= 2)
1189                 bits |= SU_INWATER;
1190
1191         // dpprotocol
1192         VectorClear(punchvector);
1193         if ((val = GETEDICTFIELDVALUE(ent, eval_punchvector)))
1194                 VectorCopy(val->vector, punchvector);
1195
1196         i = 255;
1197         if ((val = GETEDICTFIELDVALUE(ent, eval_viewzoom)))
1198         {
1199                 i = val->_float * 255.0f;
1200                 if (i == 0)
1201                         i = 255;
1202                 else
1203                         i = bound(0, i, 255);
1204         }
1205         viewzoom = i;
1206
1207         if (viewzoom != 255)
1208                 bits |= SU_VIEWZOOM;
1209
1210         for (i=0 ; i<3 ; i++)
1211         {
1212                 if (ent->v->punchangle[i])
1213                         bits |= (SU_PUNCH1<<i);
1214                 if (punchvector[i]) // dpprotocol
1215                         bits |= (SU_PUNCHVEC1<<i); // dpprotocol
1216                 if (ent->v->velocity[i])
1217                         bits |= (SU_VELOCITY1<<i);
1218         }
1219
1220         if (ent->v->weaponframe)
1221                 bits |= SU_WEAPONFRAME;
1222
1223         if (ent->v->armorvalue)
1224                 bits |= SU_ARMOR;
1225
1226         bits |= SU_WEAPON;
1227
1228         if (bits >= 65536)
1229                 bits |= SU_EXTEND1;
1230         if (bits >= 16777216)
1231                 bits |= SU_EXTEND2;
1232
1233 // send the data
1234
1235         MSG_WriteByte (msg, svc_clientdata);
1236         MSG_WriteShort (msg, bits);
1237         if (bits & SU_EXTEND1)
1238                 MSG_WriteByte(msg, bits >> 16);
1239         if (bits & SU_EXTEND2)
1240                 MSG_WriteByte(msg, bits >> 24);
1241
1242         if (bits & SU_VIEWHEIGHT)
1243                 MSG_WriteChar (msg, ent->v->view_ofs[2]);
1244
1245         if (bits & SU_IDEALPITCH)
1246                 MSG_WriteChar (msg, ent->v->idealpitch);
1247
1248         for (i=0 ; i<3 ; i++)
1249         {
1250                 if (bits & (SU_PUNCH1<<i))
1251                         MSG_WritePreciseAngle(msg, ent->v->punchangle[i]); // dpprotocol
1252                 if (bits & (SU_PUNCHVEC1<<i)) // dpprotocol
1253                         MSG_WriteDPCoord(msg, punchvector[i]); // dpprotocol
1254                 if (bits & (SU_VELOCITY1<<i))
1255                         MSG_WriteChar (msg, ent->v->velocity[i]/16);
1256         }
1257
1258 // [always sent]        if (bits & SU_ITEMS)
1259         MSG_WriteLong (msg, items);
1260
1261         if (bits & SU_WEAPONFRAME)
1262                 MSG_WriteByte (msg, ent->v->weaponframe);
1263         if (bits & SU_ARMOR)
1264                 MSG_WriteByte (msg, ent->v->armorvalue);
1265         if (bits & SU_WEAPON)
1266                 MSG_WriteByte (msg, SV_ModelIndex(PR_GetString(ent->v->weaponmodel)));
1267
1268         MSG_WriteShort (msg, ent->v->health);
1269         MSG_WriteByte (msg, ent->v->currentammo);
1270         MSG_WriteByte (msg, ent->v->ammo_shells);
1271         MSG_WriteByte (msg, ent->v->ammo_nails);
1272         MSG_WriteByte (msg, ent->v->ammo_rockets);
1273         MSG_WriteByte (msg, ent->v->ammo_cells);
1274
1275         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1276         {
1277                 for(i=0;i<32;i++)
1278                 {
1279                         if ( ((int)ent->v->weapon) & (1<<i) )
1280                         {
1281                                 MSG_WriteByte (msg, i);
1282                                 break;
1283                         }
1284                 }
1285         }
1286         else
1287         {
1288                 MSG_WriteByte (msg, ent->v->weapon);
1289         }
1290
1291         if (bits & SU_VIEWZOOM)
1292                 MSG_WriteByte (msg, viewzoom);
1293 }
1294
1295 /*
1296 =======================
1297 SV_SendClientDatagram
1298 =======================
1299 */
1300 static qbyte sv_sendclientdatagram_buf[MAX_DATAGRAM]; // FIXME?
1301 qboolean SV_SendClientDatagram (client_t *client)
1302 {
1303         sizebuf_t       msg;
1304
1305         msg.data = sv_sendclientdatagram_buf;
1306         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
1307         msg.cursize = 0;
1308
1309         MSG_WriteByte (&msg, svc_time);
1310         MSG_WriteFloat (&msg, sv.time);
1311
1312         // add the client specific data to the datagram
1313         SV_WriteClientdataToMessage (client->edict, &msg);
1314
1315         SV_WriteEntitiesToClient (client, client->edict, &msg);
1316
1317         // copy the server datagram if there is space
1318         if (msg.cursize + sv.datagram.cursize < msg.maxsize)
1319                 SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
1320
1321 // send the datagram
1322         if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1323         {
1324                 SV_DropClient (true);// if the message couldn't send, kick off
1325                 return false;
1326         }
1327
1328         return true;
1329 }
1330
1331 /*
1332 =======================
1333 SV_UpdateToReliableMessages
1334 =======================
1335 */
1336 void SV_UpdateToReliableMessages (void)
1337 {
1338         int i, j;
1339         client_t *client;
1340         eval_t *val;
1341         char *s;
1342
1343 // check for changes to be sent over the reliable streams
1344         for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1345         {
1346                 // only update the client fields if they've spawned in
1347                 if (host_client->spawned)
1348                 {
1349                         // update the host_client fields we care about according to the entity fields
1350                         sv_player = host_client->edict;
1351                         s = PR_GetString(sv_player->v->netname);
1352                         if (s != host_client->name)
1353                         {
1354                                 if (s == NULL)
1355                                         s = "";
1356                                 // point the string back at host_client->name to keep it safe
1357                                 strncpy(host_client->name, s, sizeof(host_client->name) - 1);
1358                                 sv_player->v->netname = PR_SetString(host_client->name);
1359                         }
1360                         if ((val = GETEDICTFIELDVALUE(sv_player, eval_clientcolors)) && host_client->colors != val->_float)
1361                                 host_client->colors = val->_float;
1362                         host_client->frags = sv_player->v->frags;
1363                         if (gamemode == GAME_NEHAHRA)
1364                                 if ((val = GETEDICTFIELDVALUE(sv_player, eval_pmodel)) && host_client->pmodel != val->_float)
1365                                         host_client->pmodel = val->_float;
1366
1367                         // if the fields changed, send messages about the changes
1368                         if (strcmp(host_client->old_name, host_client->name))
1369                         {
1370                                 strcpy(host_client->old_name, host_client->name);
1371                                 for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
1372                                 {
1373                                         if (!client->active || !client->spawned)
1374                                                 continue;
1375                                         MSG_WriteByte (&client->message, svc_updatename);
1376                                         MSG_WriteByte (&client->message, i);
1377                                         MSG_WriteString (&client->message, host_client->name);
1378                                 }
1379                         }
1380                         if (host_client->old_colors != host_client->colors)
1381                         {
1382                                 host_client->old_colors = host_client->colors;
1383                                 for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
1384                                 {
1385                                         if (!client->active || !client->spawned)
1386                                                 continue;
1387                                         MSG_WriteByte (&client->message, svc_updatecolors);
1388                                         MSG_WriteByte (&client->message, i);
1389                                         MSG_WriteByte (&client->message, host_client->colors);
1390                                 }
1391                         }
1392                         if (host_client->old_frags != host_client->frags)
1393                         {
1394                                 host_client->old_frags = host_client->frags;
1395                                 for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
1396                                 {
1397                                         if (!client->active || !client->spawned)
1398                                                 continue;
1399                                         MSG_WriteByte (&client->message, svc_updatefrags);
1400                                         MSG_WriteByte (&client->message, i);
1401                                         MSG_WriteShort (&client->message, host_client->frags);
1402                                 }
1403                         }
1404                 }
1405         }
1406
1407         for (j=0, client = svs.clients ; j<svs.maxclients ; j++, client++)
1408         {
1409                 if (!client->active)
1410                         continue;
1411                 SZ_Write (&client->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
1412         }
1413
1414         SZ_Clear (&sv.reliable_datagram);
1415 }
1416
1417
1418 /*
1419 =======================
1420 SV_SendNop
1421
1422 Send a nop message without trashing or sending the accumulated client
1423 message buffer
1424 =======================
1425 */
1426 void SV_SendNop (client_t *client)
1427 {
1428         sizebuf_t       msg;
1429         qbyte           buf[4];
1430
1431         msg.data = buf;
1432         msg.maxsize = sizeof(buf);
1433         msg.cursize = 0;
1434
1435         MSG_WriteChar (&msg, svc_nop);
1436
1437         if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1438                 SV_DropClient (true);   // if the message couldn't send, kick off
1439         client->last_message = realtime;
1440 }
1441
1442 /*
1443 =======================
1444 SV_SendClientMessages
1445 =======================
1446 */
1447 void SV_SendClientMessages (void)
1448 {
1449         int                     i;
1450
1451 // update frags, names, etc
1452         SV_UpdateToReliableMessages ();
1453
1454 // build individual updates
1455         for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1456         {
1457                 if (!host_client->active)
1458                         continue;
1459
1460                 if (host_client->deadsocket)
1461                 {
1462                         SV_DropClient (true);   // if the message couldn't send, kick off
1463                         continue;
1464                 }
1465
1466                 if (host_client->spawned)
1467                 {
1468                         if (!SV_SendClientDatagram (host_client))
1469                                 continue;
1470                 }
1471                 else
1472                 {
1473                 // the player isn't totally in the game yet
1474                 // send small keepalive messages if too much time has passed
1475                 // send a full message when the next signon stage has been requested
1476                 // some other message data (name changes, etc) may accumulate
1477                 // between signon stages
1478                         if (!host_client->sendsignon)
1479                         {
1480                                 if (realtime - host_client->last_message > 5)
1481                                         SV_SendNop (host_client);
1482                                 continue;       // don't send out non-signon messages
1483                         }
1484                 }
1485
1486                 // check for an overflowed message.  Should only happen
1487                 // on a very fucked up connection that backs up a lot, then
1488                 // changes level
1489                 if (host_client->message.overflowed)
1490                 {
1491                         SV_DropClient (true); // overflowed
1492                         host_client->message.overflowed = false;
1493                         continue;
1494                 }
1495
1496                 if (host_client->message.cursize || host_client->dropasap)
1497                 {
1498                         if (!NetConn_CanSendMessage (host_client->netconnection))
1499                                 continue;
1500
1501                         if (host_client->dropasap)
1502                                 SV_DropClient (false);  // went to another level
1503                         else
1504                         {
1505                                 if (NetConn_SendReliableMessage (host_client->netconnection, &host_client->message) == -1)
1506                                         SV_DropClient (true);   // if the message couldn't send, kick off
1507                                 SZ_Clear (&host_client->message);
1508                                 host_client->last_message = realtime;
1509                                 host_client->sendsignon = false;
1510                         }
1511                 }
1512         }
1513
1514
1515 // clear muzzle flashes
1516         SV_CleanupEnts ();
1517 }
1518
1519
1520 /*
1521 ==============================================================================
1522
1523 SERVER SPAWNING
1524
1525 ==============================================================================
1526 */
1527
1528 /*
1529 ================
1530 SV_ModelIndex
1531
1532 ================
1533 */
1534 int SV_ModelIndex (const char *name)
1535 {
1536         int i;
1537
1538         if (!name || !name[0])
1539                 return 0;
1540
1541         for (i=0 ; i<MAX_MODELS && sv.model_precache[i] ; i++)
1542                 if (!strcmp(sv.model_precache[i], name))
1543                         return i;
1544         if (i==MAX_MODELS || !sv.model_precache[i])
1545                 Host_Error ("SV_ModelIndex: model %s not precached", name);
1546         return i;
1547 }
1548
1549 #ifdef SV_QUAKEENTITIES
1550 /*
1551 ================
1552 SV_CreateBaseline
1553
1554 ================
1555 */
1556 void SV_CreateBaseline (void)
1557 {
1558         int i, entnum, large;
1559         edict_t *svent;
1560
1561         // LordHavoc: clear *all* states (note just active ones)
1562         for (entnum = 0;entnum < sv.max_edicts;entnum++)
1563         {
1564                 // get the current server version
1565                 svent = EDICT_NUM(entnum);
1566
1567                 // LordHavoc: always clear state values, whether the entity is in use or not
1568                 ClearStateToDefault(&svent->e->baseline);
1569
1570                 if (svent->e->free)
1571                         continue;
1572                 if (entnum > svs.maxclients && !svent->v->modelindex)
1573                         continue;
1574
1575                 // create entity baseline
1576                 VectorCopy (svent->v->origin, svent->e->baseline.origin);
1577                 VectorCopy (svent->v->angles, svent->e->baseline.angles);
1578                 svent->e->baseline.frame = svent->v->frame;
1579                 svent->e->baseline.skin = svent->v->skin;
1580                 if (entnum > 0 && entnum <= svs.maxclients)
1581                 {
1582                         svent->e->baseline.colormap = entnum;
1583                         svent->e->baseline.modelindex = SV_ModelIndex("progs/player.mdl");
1584                 }
1585                 else
1586                 {
1587                         svent->e->baseline.colormap = 0;
1588                         svent->e->baseline.modelindex = svent->v->modelindex;
1589                 }
1590
1591                 large = false;
1592                 if (svent->e->baseline.modelindex & 0xFF00 || svent->e->baseline.frame & 0xFF00)
1593                         large = true;
1594
1595                 // add to the message
1596                 if (large)
1597                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1598                 else
1599                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1600                 MSG_WriteShort (&sv.signon, entnum);
1601
1602                 if (large)
1603                 {
1604                         MSG_WriteShort (&sv.signon, svent->e->baseline.modelindex);
1605                         MSG_WriteShort (&sv.signon, svent->e->baseline.frame);
1606                 }
1607                 else
1608                 {
1609                         MSG_WriteByte (&sv.signon, svent->e->baseline.modelindex);
1610                         MSG_WriteByte (&sv.signon, svent->e->baseline.frame);
1611                 }
1612                 MSG_WriteByte (&sv.signon, svent->e->baseline.colormap);
1613                 MSG_WriteByte (&sv.signon, svent->e->baseline.skin);
1614                 for (i=0 ; i<3 ; i++)
1615                 {
1616                         MSG_WriteDPCoord(&sv.signon, svent->e->baseline.origin[i]);
1617                         MSG_WriteAngle(&sv.signon, svent->e->baseline.angles[i]);
1618                 }
1619         }
1620 }
1621 #endif
1622
1623
1624 /*
1625 ================
1626 SV_SendReconnect
1627
1628 Tell all the clients that the server is changing levels
1629 ================
1630 */
1631 void SV_SendReconnect (void)
1632 {
1633         char    data[128];
1634         sizebuf_t       msg;
1635
1636         msg.data = data;
1637         msg.cursize = 0;
1638         msg.maxsize = sizeof(data);
1639
1640         MSG_WriteChar (&msg, svc_stufftext);
1641         MSG_WriteString (&msg, "reconnect\n");
1642         NetConn_SendToAll (&msg, 5);
1643
1644         if (cls.state != ca_dedicated)
1645                 Cmd_ExecuteString ("reconnect\n", src_command);
1646 }
1647
1648
1649 /*
1650 ================
1651 SV_SaveSpawnparms
1652
1653 Grabs the current state of each client for saving across the
1654 transition to another level
1655 ================
1656 */
1657 void SV_SaveSpawnparms (void)
1658 {
1659         int             i, j;
1660
1661         svs.serverflags = pr_global_struct->serverflags;
1662
1663         for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1664         {
1665                 if (!host_client->active)
1666                         continue;
1667
1668         // call the progs to get default spawn parms for the new client
1669                 pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
1670                 PR_ExecuteProgram (pr_global_struct->SetChangeParms, "QC function SetChangeParms is missing");
1671                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1672                         host_client->spawn_parms[j] = (&pr_global_struct->parm1)[j];
1673         }
1674 }
1675
1676 void SV_IncreaseEdicts(void)
1677 {
1678         int i;
1679         edict_t *ent;
1680         int oldmax_edicts = sv.max_edicts;
1681         void *oldedictsengineprivate = sv.edictsengineprivate;
1682         void *oldedictsfields = sv.edictsfields;
1683         void *oldmoved_edicts = sv.moved_edicts;
1684
1685         if (sv.max_edicts >= MAX_EDICTS)
1686                 return;
1687
1688         // links don't survive the transition, so unlink everything
1689         for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1690         {
1691                 if (!ent->e->free)
1692                         SV_UnlinkEdict(sv.edicts + i);
1693                 memset(&ent->e->areagrid, 0, sizeof(ent->e->areagrid));
1694         }
1695         SV_ClearWorld();
1696
1697         sv.max_edicts   = min(sv.max_edicts + 32, MAX_EDICTS);
1698         sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1699         sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1700         sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1701
1702         memcpy(sv.edictsengineprivate, oldedictsengineprivate, oldmax_edicts * sizeof(edict_engineprivate_t));
1703         memcpy(sv.edictsfields, oldedictsfields, oldmax_edicts * pr_edict_size);
1704
1705         for (i = 0, ent = sv.edicts;i < sv.max_edicts;i++, ent++)
1706         {
1707                 ent->e = sv.edictsengineprivate + i;
1708                 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1709                 // link every entity except world
1710                 if (!ent->e->free)
1711                         SV_LinkEdict(ent, false);
1712         }
1713
1714         Mem_Free(oldedictsengineprivate);
1715         Mem_Free(oldedictsfields);
1716         Mem_Free(oldmoved_edicts);
1717 }
1718
1719 /*
1720 ================
1721 SV_SpawnServer
1722
1723 This is called at the start of each level
1724 ================
1725 */
1726 extern float            scr_centertime_off;
1727
1728 void SV_SpawnServer (const char *server)
1729 {
1730         edict_t *ent;
1731         int i;
1732         qbyte *entities;
1733
1734         // let's not have any servers with no name
1735         if (hostname.string[0] == 0)
1736                 Cvar_Set ("hostname", "UNNAMED");
1737         scr_centertime_off = 0;
1738
1739         Con_DPrintf ("SpawnServer: %s\n",server);
1740         svs.changelevel_issued = false;         // now safe to issue another
1741
1742 //
1743 // tell all connected clients that we are going to a new level
1744 //
1745         if (sv.active)
1746                 SV_SendReconnect ();
1747         else
1748                 NetConn_OpenServerPorts(svs.maxclients > 1);
1749
1750 //
1751 // make cvars consistant
1752 //
1753         if (coop.integer)
1754                 Cvar_SetValue ("deathmatch", 0);
1755         current_skill = bound(0, (int)(skill.value + 0.5), 3);
1756
1757         Cvar_SetValue ("skill", (float)current_skill);
1758
1759 //
1760 // set up the new server
1761 //
1762         Host_ClearMemory ();
1763
1764         memset (&sv, 0, sizeof(sv));
1765
1766         strcpy (sv.name, server);
1767
1768 // load progs to get entity field count
1769         PR_LoadProgs ();
1770
1771 // allocate server memory
1772         // start out with just enough room for clients and a reasonable estimate of entities
1773         sv.max_edicts = ((svs.maxclients + 128) + 31) & ~31;
1774         sv.max_edicts = min(sv.max_edicts, MAX_EDICTS);
1775
1776         // clear the edict memory pool
1777         Mem_EmptyPool(sv_edicts_mempool);
1778         // edict_t structures (hidden from progs)
1779         sv.edicts = Mem_Alloc(sv_edicts_mempool, MAX_EDICTS * sizeof(edict_t));
1780         // engine private structures (hidden from progs)
1781         sv.edictsengineprivate = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_engineprivate_t));
1782         // progs fields, often accessed by server
1783         sv.edictsfields = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * pr_edict_size);
1784         // used by PushMove to move back pushed entities
1785         sv.moved_edicts = Mem_Alloc(sv_edicts_mempool, sv.max_edicts * sizeof(edict_t *));
1786         for (i = 0;i < sv.max_edicts;i++)
1787         {
1788                 ent = sv.edicts + i;
1789                 ent->e = sv.edictsengineprivate + i;
1790                 ent->v = (void *)((qbyte *)sv.edictsfields + i * pr_edict_size);
1791         }
1792
1793         sv.datagram.maxsize = sizeof(sv.datagram_buf);
1794         sv.datagram.cursize = 0;
1795         sv.datagram.data = sv.datagram_buf;
1796
1797         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1798         sv.reliable_datagram.cursize = 0;
1799         sv.reliable_datagram.data = sv.reliable_datagram_buf;
1800
1801         sv.signon.maxsize = sizeof(sv.signon_buf);
1802         sv.signon.cursize = 0;
1803         sv.signon.data = sv.signon_buf;
1804
1805 // leave slots at start for clients only
1806         sv.num_edicts = svs.maxclients+1;
1807
1808         sv.state = ss_loading;
1809         sv.paused = false;
1810
1811         sv.time = 1.0;
1812
1813         Mod_ClearUsed();
1814
1815         strcpy (sv.name, server);
1816         sprintf (sv.modelname,"maps/%s.bsp", server);
1817         sv.worldmodel = Mod_ForName(sv.modelname, false, true, true);
1818         if (!sv.worldmodel)
1819         {
1820                 Con_Printf ("Couldn't spawn server %s\n", sv.modelname);
1821                 sv.active = false;
1822                 return;
1823         }
1824         sv.models[1] = sv.worldmodel;
1825
1826 //
1827 // clear world interaction links
1828 //
1829         SV_ClearWorld ();
1830
1831         sv.sound_precache[0] = "";
1832
1833         sv.model_precache[0] = "";
1834         sv.model_precache[1] = sv.modelname;
1835         for (i = 1;i < sv.worldmodel->brushq1.numsubmodels;i++)
1836         {
1837                 sv.model_precache[i+1] = localmodels[i];
1838                 sv.models[i+1] = Mod_ForName (localmodels[i], false, false, false);
1839         }
1840
1841 //
1842 // load the rest of the entities
1843 //
1844         ent = EDICT_NUM(0);
1845         memset (ent->v, 0, progs->entityfields * 4);
1846         ent->e->free = false;
1847         ent->v->model = PR_SetString(sv.modelname);
1848         ent->v->modelindex = 1;         // world model
1849         ent->v->solid = SOLID_BSP;
1850         ent->v->movetype = MOVETYPE_PUSH;
1851
1852         if (coop.value)
1853                 pr_global_struct->coop = coop.integer;
1854         else
1855                 pr_global_struct->deathmatch = deathmatch.integer;
1856
1857         pr_global_struct->mapname = PR_SetString(sv.name);
1858
1859 // serverflags are for cross level information (sigils)
1860         pr_global_struct->serverflags = svs.serverflags;
1861
1862         // load replacement entity file if found
1863         entities = NULL;
1864         if (sv_entpatch.integer)
1865                 entities = FS_LoadFile(va("maps/%s.ent", sv.name), true);
1866         if (entities)
1867         {
1868                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
1869                 ED_LoadFromFile (entities);
1870                 Mem_Free(entities);
1871         }
1872         else
1873                 ED_LoadFromFile (sv.worldmodel->brush.entities);
1874
1875
1876         // LordHavoc: clear world angles (to fix e3m3.bsp)
1877         VectorClear(sv.edicts->v->angles);
1878
1879         sv.active = true;
1880
1881 // all setup is completed, any further precache statements are errors
1882         sv.state = ss_active;
1883
1884 // run two frames to allow everything to settle
1885         for (i = 0;i < 2;i++)
1886         {
1887                 sv.frametime = pr_global_struct->frametime = host_frametime = 0.1;
1888                 SV_Physics ();
1889         }
1890
1891         Mod_PurgeUnused();
1892
1893 #ifdef QUAKEENTITIES
1894 // create a baseline for more efficient communications
1895         SV_CreateBaseline ();
1896 #endif
1897
1898 // send serverinfo to all connected clients
1899         for (i=0,host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
1900                 if (host_client->active)
1901                         SV_SendServerinfo (host_client);
1902
1903         Con_DPrintf ("Server spawned.\n");
1904         NetConn_Heartbeat (2);
1905 }
1906