fix a crash in SV_ConnectClient on bots
[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
24 void SV_VM_Init();
25 void SV_VM_Setup();
26
27 void VM_AutoSentStats_Clear (void);
28 void EntityFrameCSQC_ClearVersions (void);
29 void EntityFrameCSQC_InitClientVersions (int client, qboolean clear);
30 void VM_SV_WriteAutoSentStats (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats);
31 void EntityFrameCSQC_WriteFrame (sizebuf_t *msg, int numstates, const entity_state_t *states);
32
33
34 // select which protocol to host, this is fed to Protocol_EnumForName
35 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
36 cvar_t sv_ratelimitlocalplayer = {0, "sv_ratelimitlocalplayer", "0", "whether to apply rate limiting to the local player in a listen server (only useful for testing)"};
37 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "10000", "upper limit on client rate cvar, should reflect your network connection quality"};
38
39 static cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"}; // fast but loose
40 static cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "0", "somewhat slow but very tight culling of hidden entities, minimizes network traffic and makes wallhack cheats useless"}; // tends to get false negatives, uses a timeout to keep entities visible a short time after becoming hidden
41 static cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
42 static cvar_t sv_entpatch = {0, "sv_entpatch", "1", "enables loading of .ent files to override entities in the bsp (for example Threewave CTF server pack contains .ent patch files enabling play of CTF on id1 maps)"};
43
44 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
45 cvar_t sv_gameplayfix_noairborncorpse = {0, "sv_gameplayfix_noairborncorpse", "1", "causes entities (corpses) sitting ontop of moving entities (players) to fall when the moving entity (player) is no longer supporting them"};
46 cvar_t sv_gameplayfix_stepdown = {0, "sv_gameplayfix_stepdown", "1", "attempts to step down stairs, not just up them (prevents the familiar thud..thud..thud.. when running down stairs and slopes)"};
47 cvar_t sv_gameplayfix_stepwhilejumping = {0, "sv_gameplayfix_stepwhilejumping", "1", "applies step-up onto a ledge even while airborn, useful if you would otherwise just-miss the floor when running across small areas with gaps (for instance running across the moving platforms in dm2, or jumping to the megahealth and red armor in dm2 rather than using the bridge)"};
48 cvar_t sv_gameplayfix_swiminbmodels = {0, "sv_gameplayfix_swiminbmodels", "1", "causes pointcontents (used to determine if you are in a liquid) to check bmodel entities as well as the world model, so you can swim around in (possibly moving) water bmodel entities"};
49 cvar_t sv_gameplayfix_setmodelrealbox = {0, "sv_gameplayfix_setmodelrealbox", "1", "fixes a bug in Quake that made setmodel always set the entity box to ('-16 -16 -16', '16 16 16') rather than properly checking the model box, breaks some poorly coded mods"};
50 cvar_t sv_gameplayfix_blowupfallenzombies = {0, "sv_gameplayfix_blowupfallenzombies", "1", "causes findradius to detect SOLID_NOT entities such as zombies and corpses on the floor, allowing splash damage to apply to them"};
51 cvar_t sv_gameplayfix_findradiusdistancetobox = {0, "sv_gameplayfix_findradiusdistancetobox", "1", "causes findradius to check the distance to the corner of a box rather than the center of the box, makes findradius detect bmodels such as very large doors that would otherwise be unaffected by splash damage"};
52
53 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
54
55 server_t sv;
56 server_static_t svs;
57
58 mempool_t *sv_mempool = NULL;
59
60 //============================================================================
61
62 extern void SV_Phys_Init (void);
63 extern void SV_World_Init (void);
64 static void SV_SaveEntFile_f(void);
65
66 /*
67 ===============
68 SV_Init
69 ===============
70 */
71 void SV_Init (void)
72 {
73         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
74         Cvar_RegisterVariable (&sv_maxvelocity);
75         Cvar_RegisterVariable (&sv_gravity);
76         Cvar_RegisterVariable (&sv_friction);
77         Cvar_RegisterVariable (&sv_edgefriction);
78         Cvar_RegisterVariable (&sv_stopspeed);
79         Cvar_RegisterVariable (&sv_maxspeed);
80         Cvar_RegisterVariable (&sv_maxairspeed);
81         Cvar_RegisterVariable (&sv_accelerate);
82         Cvar_RegisterVariable (&sv_idealpitchscale);
83         Cvar_RegisterVariable (&sv_aim);
84         Cvar_RegisterVariable (&sv_nostep);
85         Cvar_RegisterVariable (&sv_cullentities_pvs);
86         Cvar_RegisterVariable (&sv_cullentities_trace);
87         Cvar_RegisterVariable (&sv_cullentities_stats);
88         Cvar_RegisterVariable (&sv_entpatch);
89         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
90         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
91         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
92         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
93         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
94         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
95         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
96         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
97         Cvar_RegisterVariable (&sv_protocolname);
98         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
99         Cvar_RegisterVariable (&sv_maxrate);
100         Cvar_RegisterVariable (&sv_progs);
101
102         SV_VM_Init();
103         SV_Phys_Init();
104         SV_World_Init();
105
106         sv_mempool = Mem_AllocPool("server", 0, NULL);
107 }
108
109 static void SV_SaveEntFile_f(void)
110 {
111         char basename[MAX_QPATH];
112         if (!sv.active || !sv.worldmodel)
113         {
114                 Con_Print("Not running a server\n");
115                 return;
116         }
117         FS_StripExtension(sv.worldmodel->name, basename, sizeof(basename));
118         FS_WriteFile(va("%s.ent", basename), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
119 }
120
121
122 /*
123 =============================================================================
124
125 EVENT MESSAGES
126
127 =============================================================================
128 */
129
130 /*
131 ==================
132 SV_StartParticle
133
134 Make sure the event gets sent to all clients
135 ==================
136 */
137 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
138 {
139         int             i, v;
140
141         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
142                 return;
143         MSG_WriteByte (&sv.datagram, svc_particle);
144         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
145         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
146         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
147         for (i=0 ; i<3 ; i++)
148         {
149                 v = dir[i]*16;
150                 if (v > 127)
151                         v = 127;
152                 else if (v < -128)
153                         v = -128;
154                 MSG_WriteChar (&sv.datagram, v);
155         }
156         MSG_WriteByte (&sv.datagram, count);
157         MSG_WriteByte (&sv.datagram, color);
158 }
159
160 /*
161 ==================
162 SV_StartEffect
163
164 Make sure the event gets sent to all clients
165 ==================
166 */
167 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
168 {
169         if (modelindex >= 256 || startframe >= 256)
170         {
171                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
172                         return;
173                 MSG_WriteByte (&sv.datagram, svc_effect2);
174                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
175                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
176                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
177                 MSG_WriteShort (&sv.datagram, modelindex);
178                 MSG_WriteShort (&sv.datagram, startframe);
179                 MSG_WriteByte (&sv.datagram, framecount);
180                 MSG_WriteByte (&sv.datagram, framerate);
181         }
182         else
183         {
184                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
185                         return;
186                 MSG_WriteByte (&sv.datagram, svc_effect);
187                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
188                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
189                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
190                 MSG_WriteByte (&sv.datagram, modelindex);
191                 MSG_WriteByte (&sv.datagram, startframe);
192                 MSG_WriteByte (&sv.datagram, framecount);
193                 MSG_WriteByte (&sv.datagram, framerate);
194         }
195 }
196
197 /*
198 ==================
199 SV_StartSound
200
201 Each entity can have eight independant sound sources, like voice,
202 weapon, feet, etc.
203
204 Channel 0 is an auto-allocate channel, the others override anything
205 already running on that entity/channel pair.
206
207 An attenuation of 0 will play full volume everywhere in the level.
208 Larger attenuations will drop off.  (max 4 attenuation)
209
210 ==================
211 */
212 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
213 {
214         int sound_num, field_mask, i, ent;
215
216         if (volume < 0 || volume > 255)
217         {
218                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
219                 return;
220         }
221
222         if (attenuation < 0 || attenuation > 4)
223         {
224                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
225                 return;
226         }
227
228         if (channel < 0 || channel > 7)
229         {
230                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
231                 return;
232         }
233
234         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
235                 return;
236
237 // find precache number for sound
238         sound_num = SV_SoundIndex(sample, 1);
239         if (!sound_num)
240                 return;
241
242         ent = PRVM_NUM_FOR_EDICT(entity);
243
244         field_mask = 0;
245         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
246                 field_mask |= SND_VOLUME;
247         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
248                 field_mask |= SND_ATTENUATION;
249         if (ent >= 8192)
250                 field_mask |= SND_LARGEENTITY;
251         if (sound_num >= 256 || channel >= 8)
252                 field_mask |= SND_LARGESOUND;
253
254 // directed messages go only to the entity they are targeted on
255         MSG_WriteByte (&sv.datagram, svc_sound);
256         MSG_WriteByte (&sv.datagram, field_mask);
257         if (field_mask & SND_VOLUME)
258                 MSG_WriteByte (&sv.datagram, volume);
259         if (field_mask & SND_ATTENUATION)
260                 MSG_WriteByte (&sv.datagram, attenuation*64);
261         if (field_mask & SND_LARGEENTITY)
262         {
263                 MSG_WriteShort (&sv.datagram, ent);
264                 MSG_WriteByte (&sv.datagram, channel);
265         }
266         else
267                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
268         if (field_mask & SND_LARGESOUND)
269                 MSG_WriteShort (&sv.datagram, sound_num);
270         else
271                 MSG_WriteByte (&sv.datagram, sound_num);
272         for (i = 0;i < 3;i++)
273                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
274 }
275
276 /*
277 ==============================================================================
278
279 CLIENT SPAWNING
280
281 ==============================================================================
282 */
283
284 static const char *SV_InitCmd;  //[515]: svprogs able to send cmd to client on connect
285 extern qboolean csqc_loaded;
286 /*
287 ================
288 SV_SendServerinfo
289
290 Sends the first message from the server to a connected client.
291 This will be sent on the initial connection and upon each server load.
292 ================
293 */
294 void SV_SendServerinfo (client_t *client)
295 {
296         int i;
297         char message[128];
298
299         // we know that this client has a netconnection and thus is not a bot
300
301         // edicts get reallocated on level changes, so we need to update it here
302         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
303
304         // clear cached stuff that depends on the level
305         client->weaponmodel[0] = 0;
306         client->weaponmodelindex = 0;
307
308         // LordHavoc: clear entityframe tracking
309         client->latestframenum = 0;
310
311         if (client->entitydatabase)
312                 EntityFrame_FreeDatabase(client->entitydatabase);
313         if (client->entitydatabase4)
314                 EntityFrame4_FreeDatabase(client->entitydatabase4);
315         if (client->entitydatabase5)
316                 EntityFrame5_FreeDatabase(client->entitydatabase5);
317
318         if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE)
319         {
320                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
321                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
322                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
323                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
324                 else
325                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
326         }
327
328         SZ_Clear (&client->netconnection->message);
329         MSG_WriteByte (&client->netconnection->message, svc_print);
330         dpsnprintf (message, sizeof (message), "\002\nServer: %s build %s (progs %i crc)", gamename, buildstring, prog->filecrc);
331         MSG_WriteString (&client->netconnection->message,message);
332
333         // FIXME: LordHavoc: this does not work on dedicated servers, needs fixing.
334 //[515]: init csprogs according to version of svprogs, check the crc, etc.
335         if(csqc_loaded && (cls.state == ca_dedicated || PRVM_NUM_FOR_EDICT(client->edict) != 1))
336         {
337                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
338                 if(SV_InitCmd)
339                         MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i;%s\n", csqc_progcrc.integer, SV_InitCmd));
340                 else
341                         MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", csqc_progcrc.integer));
342         }
343
344         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
345         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
346         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
347
348         if (!coop.integer && deathmatch.integer)
349                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
350         else
351                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
352
353         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
354
355         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
356                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
357         MSG_WriteByte (&client->netconnection->message, 0);
358
359         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
360                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
361         MSG_WriteByte (&client->netconnection->message, 0);
362
363 // send music
364         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
365         MSG_WriteByte (&client->netconnection->message, prog->edicts->fields.server->sounds);
366         MSG_WriteByte (&client->netconnection->message, prog->edicts->fields.server->sounds);
367
368 // set view
369         MSG_WriteByte (&client->netconnection->message, svc_setview);
370         MSG_WriteShort (&client->netconnection->message, PRVM_NUM_FOR_EDICT(client->edict));
371
372         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
373         MSG_WriteByte (&client->netconnection->message, 1);
374
375         client->sendsignon = true;
376         client->spawned = false;                // need prespawn, spawn, etc
377 }
378
379 /*
380 ================
381 SV_ConnectClient
382
383 Initializes a client_t for a new net connection.  This will only be called
384 once for a player each game, not once for each level change.
385 ================
386 */
387 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
388 {
389         client_t                *client;
390         int                             i;
391         float                   spawn_parms[NUM_SPAWN_PARMS];
392
393         client = svs.clients + clientnum;
394
395         if(netconnection)//[515]: bots don't play with csqc =)
396                 EntityFrameCSQC_InitClientVersions(clientnum, false);
397
398 // set up the client_t
399         if (sv.loadgame)
400                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
401         memset (client, 0, sizeof(*client));
402         client->active = true;
403         client->netconnection = netconnection;
404
405         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
406
407         strcpy(client->name, "unconnected");
408         strcpy(client->old_name, "unconnected");
409         client->spawned = false;
410         client->edict = PRVM_EDICT_NUM(clientnum+1);
411         if (client->netconnection)
412                 client->netconnection->message.allowoverflow = true;            // we can catch it
413         // updated by receiving "rate" command from client
414         client->rate = NET_MINRATE;
415         // no limits for local player
416         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
417                 client->rate = 1000000000;
418         client->connecttime = realtime;
419
420         if (sv.loadgame)
421                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
422         else
423         {
424                 // call the progs to get default spawn parms for the new client
425                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
426                 prog->globals.server->self = 0;
427                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
428                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
429                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
430         }
431
432         // set up the entity for this client (including .colormap, .team, etc)
433         PRVM_ED_ClearEdict(client->edict);
434
435         // don't call SendServerinfo for a fresh botclient because its fields have
436         // not been set up by the qc yet
437         if (client->netconnection)
438                 SV_SendServerinfo (client);
439         else
440                 client->spawned = true;
441 }
442
443
444 /*
445 ===============================================================================
446
447 FRAME UPDATES
448
449 ===============================================================================
450 */
451
452 /*
453 ==================
454 SV_ClearDatagram
455
456 ==================
457 */
458 void SV_ClearDatagram (void)
459 {
460         SZ_Clear (&sv.datagram);
461 }
462
463 /*
464 =============================================================================
465
466 The PVS must include a small area around the client to allow head bobbing
467 or other small motion on the client side.  Otherwise, a bob might cause an
468 entity that should be visible to not show up, especially when the bob
469 crosses a waterline.
470
471 =============================================================================
472 */
473
474 int sv_writeentitiestoclient_pvsbytes;
475 unsigned char sv_writeentitiestoclient_pvs[MAX_MAP_LEAFS/8];
476
477 static int numsendentities;
478 static entity_state_t sendentities[MAX_EDICTS];
479 static entity_state_t *sendentitiesindex[MAX_EDICTS];
480
481 qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int e)
482 {
483         int i;
484         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
485         unsigned int customizeentityforclient;
486         float f;
487         vec3_t cullmins, cullmaxs;
488         model_t *model;
489         prvm_eval_t *val;
490
491         // EF_NODRAW prevents sending for any reason except for your own
492         // client, so we must keep all clients in this superset
493         effects = (unsigned)ent->fields.server->effects;
494
495         // we can omit invisible entities with no effects that are not clients
496         // LordHavoc: this could kill tags attached to an invisible entity, I
497         // just hope we never have to support that case
498         i = (int)ent->fields.server->modelindex;
499         modelindex = (i >= 1 && i < MAX_MODELS && *PRVM_GetString(ent->fields.server->model)) ? i : 0;
500
501         flags = 0;
502         i = (int)(PRVM_GETEDICTFIELDVALUE(ent, eval_glow_size)->_float * 0.25f);
503         glowsize = (unsigned char)bound(0, i, 255);
504         if (PRVM_GETEDICTFIELDVALUE(ent, eval_glow_trail)->_float)
505                 flags |= RENDER_GLOWTRAIL;
506
507         f = PRVM_GETEDICTFIELDVALUE(ent, eval_color)->vector[0]*256;
508         light[0] = (unsigned short)bound(0, f, 65535);
509         f = PRVM_GETEDICTFIELDVALUE(ent, eval_color)->vector[1]*256;
510         light[1] = (unsigned short)bound(0, f, 65535);
511         f = PRVM_GETEDICTFIELDVALUE(ent, eval_color)->vector[2]*256;
512         light[2] = (unsigned short)bound(0, f, 65535);
513         f = PRVM_GETEDICTFIELDVALUE(ent, eval_light_lev)->_float;
514         light[3] = (unsigned short)bound(0, f, 65535);
515         lightstyle = (unsigned char)PRVM_GETEDICTFIELDVALUE(ent, eval_style)->_float;
516         lightpflags = (unsigned char)PRVM_GETEDICTFIELDVALUE(ent, eval_pflags)->_float;
517
518         if (gamemode == GAME_TENEBRAE)
519         {
520                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
521                 if (effects & 16)
522                 {
523                         effects &= ~16;
524                         lightpflags |= PFLAGS_FULLDYNAMIC;
525                 }
526                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
527                 if (effects & 32)
528                 {
529                         effects &= ~32;
530                         light[0] = 0.2;
531                         light[1] = 1;
532                         light[2] = 0.2;
533                         light[3] = 200;
534                         lightpflags |= PFLAGS_FULLDYNAMIC;
535                 }
536         }
537
538         specialvisibilityradius = 0;
539         if (lightpflags & PFLAGS_FULLDYNAMIC)
540                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
541         if (glowsize)
542                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
543         if (flags & RENDER_GLOWTRAIL)
544                 specialvisibilityradius = max(specialvisibilityradius, 100);
545         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
546         {
547                 if (effects & EF_BRIGHTFIELD)
548                         specialvisibilityradius = max(specialvisibilityradius, 80);
549                 if (effects & EF_MUZZLEFLASH)
550                         specialvisibilityradius = max(specialvisibilityradius, 100);
551                 if (effects & EF_BRIGHTLIGHT)
552                         specialvisibilityradius = max(specialvisibilityradius, 400);
553                 if (effects & EF_DIMLIGHT)
554                         specialvisibilityradius = max(specialvisibilityradius, 200);
555                 if (effects & EF_RED)
556                         specialvisibilityradius = max(specialvisibilityradius, 200);
557                 if (effects & EF_BLUE)
558                         specialvisibilityradius = max(specialvisibilityradius, 200);
559                 if (effects & EF_FLAME)
560                         specialvisibilityradius = max(specialvisibilityradius, 250);
561                 if (effects & EF_STARDUST)
562                         specialvisibilityradius = max(specialvisibilityradius, 100);
563         }
564
565         // early culling checks
566         // (final culling is done by SV_MarkWriteEntityStateToClient)
567         customizeentityforclient = PRVM_GETEDICTFIELDVALUE(ent, eval_customizeentityforclient)->function;
568         if (!customizeentityforclient)
569         {
570                 if (e > svs.maxclients && (!modelindex && !specialvisibilityradius))
571                         return false;
572                 // this 2 billion unit check is actually to detect NAN origins
573                 // (we really don't want to send those)
574                 if (VectorLength2(ent->fields.server->origin) > 2000000000.0*2000000000.0)
575                         return false;
576         }
577
578
579         *cs = defaultstate;
580         cs->active = true;
581         cs->number = e;
582         VectorCopy(ent->fields.server->origin, cs->origin);
583         VectorCopy(ent->fields.server->angles, cs->angles);
584         cs->flags = flags;
585         cs->effects = effects;
586         cs->colormap = (unsigned)ent->fields.server->colormap;
587         cs->modelindex = modelindex;
588         cs->skin = (unsigned)ent->fields.server->skin;
589         cs->frame = (unsigned)ent->fields.server->frame;
590         cs->viewmodelforclient = PRVM_GETEDICTFIELDVALUE(ent, eval_viewmodelforclient)->edict;
591         cs->exteriormodelforclient = PRVM_GETEDICTFIELDVALUE(ent, eval_exteriormodeltoclient)->edict;
592         cs->nodrawtoclient = PRVM_GETEDICTFIELDVALUE(ent, eval_nodrawtoclient)->edict;
593         cs->drawonlytoclient = PRVM_GETEDICTFIELDVALUE(ent, eval_drawonlytoclient)->edict;
594         cs->customizeentityforclient = customizeentityforclient;
595         cs->tagentity = PRVM_GETEDICTFIELDVALUE(ent, eval_tag_entity)->edict;
596         cs->tagindex = (unsigned char)PRVM_GETEDICTFIELDVALUE(ent, eval_tag_index)->_float;
597         cs->glowsize = glowsize;
598
599         // don't need to init cs->colormod because the defaultstate did that for us
600         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
601         val = PRVM_GETEDICTFIELDVALUE(ent, eval_colormod);
602         if (val->vector[0] || val->vector[1] || val->vector[2])
603         {
604                 i = val->vector[0] * 32.0f;cs->colormod[0] = bound(0, i, 255);
605                 i = val->vector[1] * 32.0f;cs->colormod[1] = bound(0, i, 255);
606                 i = val->vector[2] * 32.0f;cs->colormod[2] = bound(0, i, 255);
607         }
608
609         cs->modelindex = modelindex;
610
611         cs->alpha = 255;
612         f = (PRVM_GETEDICTFIELDVALUE(ent, eval_alpha)->_float * 255.0f);
613         if (f)
614         {
615                 i = (int)f;
616                 cs->alpha = (unsigned char)bound(0, i, 255);
617         }
618         // halflife
619         f = (PRVM_GETEDICTFIELDVALUE(ent, eval_renderamt)->_float);
620         if (f)
621         {
622                 i = (int)f;
623                 cs->alpha = (unsigned char)bound(0, i, 255);
624         }
625
626         cs->scale = 16;
627         f = (PRVM_GETEDICTFIELDVALUE(ent, eval_scale)->_float * 16.0f);
628         if (f)
629         {
630                 i = (int)f;
631                 cs->scale = (unsigned char)bound(0, i, 255);
632         }
633
634         cs->glowcolor = 254;
635         f = (PRVM_GETEDICTFIELDVALUE(ent, eval_glow_color)->_float);
636         if (f)
637                 cs->glowcolor = (int)f;
638
639         if (PRVM_GETEDICTFIELDVALUE(ent, eval_fullbright)->_float)
640                 cs->effects |= EF_FULLBRIGHT;
641
642         if (ent->fields.server->movetype == MOVETYPE_STEP)
643                 cs->flags |= RENDER_STEP;
644         if ((cs->effects & EF_LOWPRECISION) && cs->origin[0] >= -32768 && cs->origin[1] >= -32768 && cs->origin[2] >= -32768 && cs->origin[0] <= 32767 && cs->origin[1] <= 32767 && cs->origin[2] <= 32767)
645                 cs->flags |= RENDER_LOWPRECISION;
646         if (ent->fields.server->colormap >= 1024)
647                 cs->flags |= RENDER_COLORMAPPED;
648         if (cs->viewmodelforclient)
649                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
650
651         cs->light[0] = light[0];
652         cs->light[1] = light[1];
653         cs->light[2] = light[2];
654         cs->light[3] = light[3];
655         cs->lightstyle = lightstyle;
656         cs->lightpflags = lightpflags;
657
658         cs->specialvisibilityradius = specialvisibilityradius;
659
660         // calculate the visible box of this entity (don't use the physics box
661         // as that is often smaller than a model, and would not count
662         // specialvisibilityradius)
663         if ((model = sv.models[modelindex]))
664         {
665                 float scale = cs->scale * (1.0f / 16.0f);
666                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
667                 {
668                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
669                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
670                 }
671                 else if (cs->angles[1])
672                 {
673                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
674                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
675                 }
676                 else
677                 {
678                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
679                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
680                 }
681         }
682         else
683         {
684                 VectorCopy(cs->origin, cullmins);
685                 VectorCopy(cs->origin, cullmaxs);
686         }
687         if (specialvisibilityradius)
688         {
689                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
690                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
691                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
692                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
693                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
694                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
695         }
696         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
697         {
698                 VectorCopy(cullmins, ent->priv.server->cullmins);
699                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
700                 ent->priv.server->pvs_numclusters = -1;
701                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
702                 {
703                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
704                         if (i <= MAX_ENTITYCLUSTERS)
705                                 ent->priv.server->pvs_numclusters = i;
706                 }
707         }
708
709         return true;
710 }
711
712 void SV_PrepareEntitiesForSending(void)
713 {
714         int e;
715         prvm_edict_t *ent;
716         // send all entities that touch the pvs
717         numsendentities = 0;
718         sendentitiesindex[0] = NULL;
719         memset(sendentitiesindex, 0, prog->num_edicts * sizeof(entity_state_t *));
720         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
721         {
722                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sendentities + numsendentities, e))
723                 {
724                         sendentitiesindex[e] = sendentities + numsendentities;
725                         numsendentities++;
726                 }
727         }
728 }
729
730 static int sententitiesmark = 0;
731 static int sententities[MAX_EDICTS];
732 static int sententitiesconsideration[MAX_EDICTS];
733 static int sv_writeentitiestoclient_culled_pvs;
734 static int sv_writeentitiestoclient_culled_trace;
735 static int sv_writeentitiestoclient_visibleentities;
736 static int sv_writeentitiestoclient_totalentities;
737 //static entity_frame_t sv_writeentitiestoclient_entityframe;
738 static int sv_writeentitiestoclient_clentnum;
739 static vec3_t sv_writeentitiestoclient_testeye;
740 static client_t *sv_writeentitiestoclient_client;
741
742 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
743 {
744         int isbmodel;
745         vec3_t testorigin;
746         model_t *model;
747         prvm_edict_t *ed;
748         trace_t trace;
749         if (sententitiesconsideration[s->number] == sententitiesmark)
750                 return;
751         sententitiesconsideration[s->number] = sententitiesmark;
752         sv_writeentitiestoclient_totalentities++;
753
754         if (s->customizeentityforclient)
755         {
756                 prog->globals.server->self = s->number;
757                 prog->globals.server->other = sv_writeentitiestoclient_clentnum;
758                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
759                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
760                         return;
761         }
762
763         // never reject player
764         if (s->number != sv_writeentitiestoclient_clentnum)
765         {
766                 // check various rejection conditions
767                 if (s->nodrawtoclient == sv_writeentitiestoclient_clentnum)
768                         return;
769                 if (s->drawonlytoclient && s->drawonlytoclient != sv_writeentitiestoclient_clentnum)
770                         return;
771                 if (s->effects & EF_NODRAW)
772                         return;
773                 // LordHavoc: only send entities with a model or important effects
774                 if (!s->modelindex && s->specialvisibilityradius == 0)
775                         return;
776
777                 // viewmodels don't have visibility checking
778                 if (s->viewmodelforclient)
779                 {
780                         if (s->viewmodelforclient != sv_writeentitiestoclient_clentnum)
781                                 return;
782                 }
783                 else if (s->tagentity)
784                 {
785                         // tag attached entities simply check their parent
786                         if (!sendentitiesindex[s->tagentity])
787                                 return;
788                         SV_MarkWriteEntityStateToClient(sendentitiesindex[s->tagentity]);
789                         if (sententities[s->tagentity] != sententitiesmark)
790                                 return;
791                 }
792                 // always send world submodels in newer protocols because they don't
793                 // generate much traffic (in old protocols they hog bandwidth)
794                 else if (!(s->effects & EF_NODEPTHTEST) && !((isbmodel = (model = sv.models[s->modelindex]) != NULL && model->name[0] == '*') && (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE)))
795                 {
796                         // entity has survived every check so far, check if visible
797                         ed = PRVM_EDICT_NUM(s->number);
798
799                         // if not touching a visible leaf
800                         if (sv_cullentities_pvs.integer && sv_writeentitiestoclient_pvsbytes)
801                         {
802                                 if (ed->priv.server->pvs_numclusters < 0)
803                                 {
804                                         // entity too big for clusters list
805                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv_writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
806                                         {
807                                                 sv_writeentitiestoclient_culled_pvs++;
808                                                 return;
809                                         }
810                                 }
811                                 else
812                                 {
813                                         int i;
814                                         // check cached clusters list
815                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
816                                                 if (CHECKPVSBIT(sv_writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
817                                                         break;
818                                         if (i == ed->priv.server->pvs_numclusters)
819                                         {
820                                                 sv_writeentitiestoclient_culled_pvs++;
821                                                 return;
822                                         }
823                                 }
824                         }
825
826                         // or not seen by random tracelines
827                         if (sv_cullentities_trace.integer && !isbmodel)
828                         {
829                                 // LordHavoc: test center first
830                                 testorigin[0] = (ed->priv.server->cullmins[0] + ed->priv.server->cullmaxs[0]) * 0.5f;
831                                 testorigin[1] = (ed->priv.server->cullmins[1] + ed->priv.server->cullmaxs[1]) * 0.5f;
832                                 testorigin[2] = (ed->priv.server->cullmins[2] + ed->priv.server->cullmaxs[2]) * 0.5f;
833                                 sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
834                                 if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
835                                         sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
836                                 else
837                                 {
838                                         // LordHavoc: test random offsets, to maximize chance of detection
839                                         testorigin[0] = lhrandom(ed->priv.server->cullmins[0], ed->priv.server->cullmaxs[0]);
840                                         testorigin[1] = lhrandom(ed->priv.server->cullmins[1], ed->priv.server->cullmaxs[1]);
841                                         testorigin[2] = lhrandom(ed->priv.server->cullmins[2], ed->priv.server->cullmaxs[2]);
842                                         sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
843                                         if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
844                                                 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
845                                         else
846                                         {
847                                                 if (s->specialvisibilityradius)
848                                                 {
849                                                         // LordHavoc: test random offsets, to maximize chance of detection
850                                                         testorigin[0] = lhrandom(ed->priv.server->cullmins[0], ed->priv.server->cullmaxs[0]);
851                                                         testorigin[1] = lhrandom(ed->priv.server->cullmins[1], ed->priv.server->cullmaxs[1]);
852                                                         testorigin[2] = lhrandom(ed->priv.server->cullmins[2], ed->priv.server->cullmaxs[2]);
853                                                         sv.worldmodel->TraceBox(sv.worldmodel, 0, &trace, sv_writeentitiestoclient_testeye, sv_writeentitiestoclient_testeye, testorigin, testorigin, SUPERCONTENTS_SOLID);
854                                                         if (trace.fraction == 1 || BoxesOverlap(trace.endpos, trace.endpos, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
855                                                                 sv_writeentitiestoclient_client->visibletime[s->number] = realtime + 1;
856                                                 }
857                                         }
858                                 }
859                                 if (realtime > sv_writeentitiestoclient_client->visibletime[s->number])
860                                 {
861                                         sv_writeentitiestoclient_culled_trace++;
862                                         return;
863                                 }
864                         }
865                 }
866         }
867
868         // this just marks it for sending
869         // FIXME: it would be more efficient to send here, but the entity
870         // compressor isn't that flexible
871         sv_writeentitiestoclient_visibleentities++;
872         sententities[s->number] = sententitiesmark;
873 }
874
875 entity_state_t sendstates[MAX_EDICTS];
876 extern int csqc_clent;
877
878 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int *stats)
879 {
880         int i, numsendstates;
881         entity_state_t *s;
882
883         // if there isn't enough space to accomplish anything, skip it
884         if (msg->cursize + 25 > msg->maxsize)
885                 return;
886
887         sv_writeentitiestoclient_client = client;
888
889         sv_writeentitiestoclient_culled_pvs = 0;
890         sv_writeentitiestoclient_culled_trace = 0;
891         sv_writeentitiestoclient_visibleentities = 0;
892         sv_writeentitiestoclient_totalentities = 0;
893
894 // find the client's PVS
895         // the real place being tested from
896         VectorAdd(clent->fields.server->origin, clent->fields.server->view_ofs, sv_writeentitiestoclient_testeye);
897         sv_writeentitiestoclient_pvsbytes = 0;
898         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
899                 sv_writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv_writeentitiestoclient_testeye, 8, sv_writeentitiestoclient_pvs, sizeof(sv_writeentitiestoclient_pvs));
900
901         csqc_clent = sv_writeentitiestoclient_clentnum = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
902
903         sententitiesmark++;
904
905         for (i = 0;i < numsendentities;i++)
906                 SV_MarkWriteEntityStateToClient(sendentities + i);
907
908         numsendstates = 0;
909         for (i = 0;i < numsendentities;i++)
910         {
911                 if (sententities[sendentities[i].number] == sententitiesmark)
912                 {
913                         s = &sendstates[numsendstates++];
914                         *s = sendentities[i];
915                         if (s->exteriormodelforclient && s->exteriormodelforclient == sv_writeentitiestoclient_clentnum)
916                                 s->flags |= RENDER_EXTERIORMODEL;
917                 }
918         }
919
920         if (sv_cullentities_stats.integer)
921                 Con_Printf("client \"%s\" entities: %d total, %d visible, %d culled by: %d pvs %d trace\n", client->name, sv_writeentitiestoclient_totalentities, sv_writeentitiestoclient_visibleentities, sv_writeentitiestoclient_culled_pvs + sv_writeentitiestoclient_culled_trace, sv_writeentitiestoclient_culled_pvs, sv_writeentitiestoclient_culled_trace);
922
923         EntityFrameCSQC_WriteFrame(msg, numsendstates, sendstates);
924
925         if (client->entitydatabase5)
926                 EntityFrame5_WriteFrame(msg, client->entitydatabase5, numsendstates, sendstates, client - svs.clients + 1, stats, client->movesequence);
927         else if (client->entitydatabase4)
928                 EntityFrame4_WriteFrame(msg, client->entitydatabase4, numsendstates, sendstates);
929         else if (client->entitydatabase)
930                 EntityFrame_WriteFrame(msg, client->entitydatabase, numsendstates, sendstates, client - svs.clients + 1);
931         else
932                 EntityFrameQuake_WriteFrame(msg, numsendstates, sendstates);
933 }
934
935 /*
936 =============
937 SV_CleanupEnts
938
939 =============
940 */
941 void SV_CleanupEnts (void)
942 {
943         int             e;
944         prvm_edict_t    *ent;
945
946         ent = PRVM_NEXT_EDICT(prog->edicts);
947         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
948                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
949 }
950
951 /*
952 ==================
953 SV_WriteClientdataToMessage
954
955 ==================
956 */
957 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
958 {
959         int             bits;
960         int             i;
961         prvm_edict_t    *other;
962         int             items;
963         prvm_eval_t     *val;
964         vec3_t  punchvector;
965         unsigned char   viewzoom;
966         const char *s;
967
968 //
969 // send a damage message
970 //
971         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
972         {
973                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
974                 MSG_WriteByte (msg, svc_damage);
975                 MSG_WriteByte (msg, ent->fields.server->dmg_save);
976                 MSG_WriteByte (msg, ent->fields.server->dmg_take);
977                 for (i=0 ; i<3 ; i++)
978                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
979
980                 ent->fields.server->dmg_take = 0;
981                 ent->fields.server->dmg_save = 0;
982         }
983
984 //
985 // send the current viewpos offset from the view entity
986 //
987         SV_SetIdealPitch ();            // how much to look up / down ideally
988
989 // a fixangle might get lost in a dropped packet.  Oh well.
990         if ( ent->fields.server->fixangle )
991         {
992                 MSG_WriteByte (msg, svc_setangle);
993                 for (i=0 ; i < 3 ; i++)
994                         MSG_WriteAngle (msg, ent->fields.server->angles[i], sv.protocol);
995                 ent->fields.server->fixangle = 0;
996         }
997
998         // stuff the sigil bits into the high bits of items for sbar, or else
999         // mix in items2
1000         val = PRVM_GETEDICTFIELDVALUE(ent, eval_items2);
1001         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1002                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1003         else
1004                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1005
1006         VectorClear(punchvector);
1007         if ((val = PRVM_GETEDICTFIELDVALUE(ent, eval_punchvector)))
1008                 VectorCopy(val->vector, punchvector);
1009
1010         // cache weapon model name and index in client struct to save time
1011         // (this search can be almost 1% of cpu time!)
1012         s = PRVM_GetString(ent->fields.server->weaponmodel);
1013         if (strcmp(s, client->weaponmodel))
1014         {
1015                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1016                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1017         }
1018
1019         viewzoom = 255;
1020         if ((val = PRVM_GETEDICTFIELDVALUE(ent, eval_viewzoom)))
1021                 viewzoom = val->_float * 255.0f;
1022         if (viewzoom == 0)
1023                 viewzoom = 255;
1024
1025         bits = 0;
1026
1027         if ((int)ent->fields.server->flags & FL_ONGROUND)
1028                 bits |= SU_ONGROUND;
1029         if (ent->fields.server->waterlevel >= 2)
1030                 bits |= SU_INWATER;
1031         if (ent->fields.server->idealpitch)
1032                 bits |= SU_IDEALPITCH;
1033
1034         for (i=0 ; i<3 ; i++)
1035         {
1036                 if (ent->fields.server->punchangle[i])
1037                         bits |= (SU_PUNCH1<<i);
1038                 if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE)
1039                         if (punchvector[i])
1040                                 bits |= (SU_PUNCHVEC1<<i);
1041                 if (ent->fields.server->velocity[i])
1042                         bits |= (SU_VELOCITY1<<i);
1043         }
1044
1045         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1046         stats[STAT_VIEWHEIGHT] = ent->fields.server->view_ofs[2];
1047         stats[STAT_ITEMS] = items;
1048         stats[STAT_WEAPONFRAME] = ent->fields.server->weaponframe;
1049         stats[STAT_ARMOR] = ent->fields.server->armorvalue;
1050         stats[STAT_WEAPON] = client->weaponmodelindex;
1051         stats[STAT_HEALTH] = ent->fields.server->health;
1052         stats[STAT_AMMO] = ent->fields.server->currentammo;
1053         stats[STAT_SHELLS] = ent->fields.server->ammo_shells;
1054         stats[STAT_NAILS] = ent->fields.server->ammo_nails;
1055         stats[STAT_ROCKETS] = ent->fields.server->ammo_rockets;
1056         stats[STAT_CELLS] = ent->fields.server->ammo_cells;
1057         stats[STAT_ACTIVEWEAPON] = ent->fields.server->weapon;
1058         stats[STAT_VIEWZOOM] = viewzoom;
1059         // the QC bumps these itself by sending svc_'s, so we have to keep them
1060         // zero or they'll be corrected by the engine
1061         //stats[STAT_TOTALSECRETS] = prog->globals.server->total_secrets;
1062         //stats[STAT_TOTALMONSTERS] = prog->globals.server->total_monsters;
1063         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1064         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1065
1066         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1067         {
1068                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
1069                 bits |= SU_ITEMS;
1070                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
1071                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
1072                 bits |= SU_WEAPON;
1073                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
1074                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1075                         if (viewzoom != 255)
1076                                 bits |= SU_VIEWZOOM;
1077         }
1078
1079         if (bits >= 65536)
1080                 bits |= SU_EXTEND1;
1081         if (bits >= 16777216)
1082                 bits |= SU_EXTEND2;
1083
1084         // send the data
1085         MSG_WriteByte (msg, svc_clientdata);
1086         MSG_WriteShort (msg, bits);
1087         if (bits & SU_EXTEND1)
1088                 MSG_WriteByte(msg, bits >> 16);
1089         if (bits & SU_EXTEND2)
1090                 MSG_WriteByte(msg, bits >> 24);
1091
1092         if (bits & SU_VIEWHEIGHT)
1093                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
1094
1095         if (bits & SU_IDEALPITCH)
1096                 MSG_WriteChar (msg, ent->fields.server->idealpitch);
1097
1098         for (i=0 ; i<3 ; i++)
1099         {
1100                 if (bits & (SU_PUNCH1<<i))
1101                 {
1102                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE)
1103                                 MSG_WriteChar(msg, ent->fields.server->punchangle[i]);
1104                         else
1105                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
1106                 }
1107                 if (bits & (SU_PUNCHVEC1<<i))
1108                 {
1109                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1110                                 MSG_WriteCoord16i(msg, punchvector[i]);
1111                         else
1112                                 MSG_WriteCoord32f(msg, punchvector[i]);
1113                 }
1114                 if (bits & (SU_VELOCITY1<<i))
1115                 {
1116                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1117                                 MSG_WriteChar(msg, ent->fields.server->velocity[i] * (1.0f / 16.0f));
1118                         else
1119                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
1120                 }
1121         }
1122
1123         if (bits & SU_ITEMS)
1124                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
1125
1126         if (sv.protocol == PROTOCOL_DARKPLACES5)
1127         {
1128                 if (bits & SU_WEAPONFRAME)
1129                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
1130                 if (bits & SU_ARMOR)
1131                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
1132                 if (bits & SU_WEAPON)
1133                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
1134                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1135                 MSG_WriteShort (msg, stats[STAT_AMMO]);
1136                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
1137                 MSG_WriteShort (msg, stats[STAT_NAILS]);
1138                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
1139                 MSG_WriteShort (msg, stats[STAT_CELLS]);
1140                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
1141                 if (bits & SU_VIEWZOOM)
1142                         MSG_WriteShort (msg, min(stats[STAT_VIEWZOOM], 65535));
1143         }
1144         else if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1145         {
1146                 if (bits & SU_WEAPONFRAME)
1147                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
1148                 if (bits & SU_ARMOR)
1149                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
1150                 if (bits & SU_WEAPON)
1151                         MSG_WriteByte (msg, stats[STAT_WEAPON]);
1152                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1153                 MSG_WriteByte (msg, stats[STAT_AMMO]);
1154                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
1155                 MSG_WriteByte (msg, stats[STAT_NAILS]);
1156                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
1157                 MSG_WriteByte (msg, stats[STAT_CELLS]);
1158                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1159                 {
1160                         for (i = 0;i < 32;i++)
1161                                 if (stats[STAT_WEAPON] & (1<<i))
1162                                         break;
1163                         MSG_WriteByte (msg, i);
1164                 }
1165                 else
1166                         MSG_WriteByte (msg, stats[STAT_WEAPON]);
1167                 if (bits & SU_VIEWZOOM)
1168                 {
1169                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1170                                 MSG_WriteByte (msg, min(stats[STAT_VIEWZOOM], 255));
1171                         else
1172                                 MSG_WriteShort (msg, min(stats[STAT_VIEWZOOM], 65535));
1173                 }
1174         }
1175 }
1176
1177 /*
1178 =======================
1179 SV_SendClientDatagram
1180 =======================
1181 */
1182 static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE]; // FIXME?
1183 qboolean SV_SendClientDatagram (client_t *client)
1184 {
1185         int rate, maxrate, maxsize, maxsize2;
1186         sizebuf_t msg;
1187         int stats[MAX_CL_STATS];
1188
1189         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
1190         {
1191                 // for good singleplayer, send huge packets
1192                 maxsize = sizeof(sv_sendclientdatagram_buf);
1193                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1194         }
1195         else if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1196         {
1197                 // no rate limiting support on older protocols because dp protocols
1198                 // 1-4 kick the client off if they overflow, and quake protocol shows
1199                 // less than the full entity set if rate limited
1200                 maxsize = 1400;
1201                 maxsize2 = 1400;
1202         }
1203         else
1204         {
1205                 // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
1206                 maxrate = bound(NET_MINRATE, sv_maxrate.integer, NET_MAXRATE);
1207                 if (sv_maxrate.integer != maxrate)
1208                         Cvar_SetValueQuick(&sv_maxrate, maxrate);
1209
1210                 rate = bound(NET_MINRATE, client->rate, maxrate);
1211                 rate = (int)(client->rate * sys_ticrate.value);
1212                 maxsize = bound(100, rate, 1400);
1213                 maxsize2 = 1400;
1214         }
1215
1216         msg.data = sv_sendclientdatagram_buf;
1217         msg.maxsize = maxsize;
1218         msg.cursize = 0;
1219
1220         MSG_WriteByte (&msg, svc_time);
1221         MSG_WriteFloat (&msg, sv.time);
1222
1223         // add the client specific data to the datagram
1224         SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
1225         VM_SV_WriteAutoSentStats (client, client->edict, &msg, stats);
1226         SV_WriteEntitiesToClient (client, client->edict, &msg, stats);
1227
1228         // expand packet size to allow effects to go over the rate limit
1229         // (dropping them is FAR too ugly)
1230         msg.maxsize = maxsize2;
1231
1232         // copy the server datagram if there is space
1233         // FIXME: put in delayed queue of effects to send
1234         if (sv.datagram.cursize > 0 && msg.cursize + sv.datagram.cursize <= msg.maxsize)
1235                 SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
1236
1237 // send the datagram
1238         if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1239         {
1240                 SV_DropClient (true);// if the message couldn't send, kick off
1241                 return false;
1242         }
1243
1244         return true;
1245 }
1246
1247 /*
1248 =======================
1249 SV_UpdateToReliableMessages
1250 =======================
1251 */
1252 void SV_UpdateToReliableMessages (void)
1253 {
1254         int i, j;
1255         client_t *client;
1256         prvm_eval_t *val;
1257         const char *name;
1258         const char *model;
1259         const char *skin;
1260
1261 // check for changes to be sent over the reliable streams
1262         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1263         {
1264                 // update the host_client fields we care about according to the entity fields
1265                 host_client->edict = PRVM_EDICT_NUM(i+1);
1266
1267                 // DP_SV_CLIENTNAME
1268                 name = PRVM_GetString(host_client->edict->fields.server->netname);
1269                 if (name == NULL)
1270                         name = "";
1271                 // always point the string back at host_client->name to keep it safe
1272                 strlcpy (host_client->name, name, sizeof (host_client->name));
1273                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
1274                 if (strcmp(host_client->old_name, host_client->name))
1275                 {
1276                         if (host_client->spawned)
1277                                 SV_BroadcastPrintf("%s changed name to %s\n", host_client->old_name, host_client->name);
1278                         strcpy(host_client->old_name, host_client->name);
1279                         // send notification to all clients
1280                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
1281                         MSG_WriteByte (&sv.reliable_datagram, i);
1282                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
1283                 }
1284
1285                 // DP_SV_CLIENTCOLORS
1286                 // this is always found (since it's added by the progs loader)
1287                 if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_clientcolors)))
1288                         host_client->colors = (int)val->_float;
1289                 if (host_client->old_colors != host_client->colors)
1290                 {
1291                         host_client->old_colors = host_client->colors;
1292                         // send notification to all clients
1293                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
1294                         MSG_WriteByte (&sv.reliable_datagram, i);
1295                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
1296                 }
1297
1298                 // NEXUIZ_PLAYERMODEL
1299                 if( eval_playermodel ) {
1300                         model = PRVM_GetString(PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_playermodel)->string);
1301                         if (model == NULL)
1302                                 model = "";
1303                         // always point the string back at host_client->name to keep it safe
1304                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
1305                         PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
1306                 }
1307
1308                 // NEXUIZ_PLAYERSKIN
1309                 if( eval_playerskin ) {
1310                         skin = PRVM_GetString(PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_playerskin)->string);
1311                         if (skin == NULL)
1312                                 skin = "";
1313                         // always point the string back at host_client->name to keep it safe
1314                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
1315                         PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
1316                 }
1317
1318                 // frags
1319                 host_client->frags = (int)host_client->edict->fields.server->frags;
1320                 if (host_client->old_frags != host_client->frags)
1321                 {
1322                         host_client->old_frags = host_client->frags;
1323                         // send notification to all clients
1324                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
1325                         MSG_WriteByte (&sv.reliable_datagram, i);
1326                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
1327                 }
1328         }
1329
1330         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
1331                 if (client->netconnection)
1332                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
1333
1334         SZ_Clear (&sv.reliable_datagram);
1335 }
1336
1337
1338 /*
1339 =======================
1340 SV_SendNop
1341
1342 Send a nop message without trashing or sending the accumulated client
1343 message buffer
1344 =======================
1345 */
1346 void SV_SendNop (client_t *client)
1347 {
1348         sizebuf_t       msg;
1349         unsigned char           buf[4];
1350
1351         msg.data = buf;
1352         msg.maxsize = sizeof(buf);
1353         msg.cursize = 0;
1354
1355         MSG_WriteChar (&msg, svc_nop);
1356
1357         if (NetConn_SendUnreliableMessage (client->netconnection, &msg) == -1)
1358                 SV_DropClient (true);   // if the message couldn't send, kick off
1359         client->last_message = realtime;
1360 }
1361
1362 /*
1363 =======================
1364 SV_SendClientMessages
1365 =======================
1366 */
1367 void SV_SendClientMessages (void)
1368 {
1369         int i, prepared = false;
1370
1371 // update frags, names, etc
1372         SV_UpdateToReliableMessages();
1373
1374 // build individual updates
1375         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1376         {
1377                 if (!host_client->active)
1378                         continue;
1379                 if (!host_client->netconnection)
1380                         continue;
1381
1382                 if (host_client->netconnection->message.overflowed)
1383                 {
1384                         SV_DropClient (true);   // if the message couldn't send, kick off
1385                         continue;
1386                 }
1387
1388                 if (host_client->spawned)
1389                 {
1390                         if (!prepared)
1391                         {
1392                                 prepared = true;
1393                                 // only prepare entities once per frame
1394                                 SV_PrepareEntitiesForSending();
1395                         }
1396                         if (!SV_SendClientDatagram (host_client))
1397                                 continue;
1398                 }
1399                 else
1400                 {
1401                 // the player isn't totally in the game yet
1402                 // send small keepalive messages if too much time has passed
1403                 // send a full message when the next signon stage has been requested
1404                 // some other message data (name changes, etc) may accumulate
1405                 // between signon stages
1406                         if (!host_client->sendsignon)
1407                         {
1408                                 if (realtime - host_client->last_message > 5)
1409                                         SV_SendNop (host_client);
1410                                 continue;       // don't send out non-signon messages
1411                         }
1412                 }
1413
1414                 if (host_client->netconnection->message.cursize)
1415                 {
1416                         if (!NetConn_CanSendMessage (host_client->netconnection))
1417                                 continue;
1418
1419                         if (NetConn_SendReliableMessage (host_client->netconnection, &host_client->netconnection->message) == -1)
1420                                 SV_DropClient (true);   // if the message couldn't send, kick off
1421                         SZ_Clear (&host_client->netconnection->message);
1422                         host_client->last_message = realtime;
1423                         host_client->sendsignon = false;
1424                 }
1425         }
1426
1427 // clear muzzle flashes
1428         SV_CleanupEnts();
1429 }
1430
1431
1432 /*
1433 ==============================================================================
1434
1435 SERVER SPAWNING
1436
1437 ==============================================================================
1438 */
1439
1440 /*
1441 ================
1442 SV_ModelIndex
1443
1444 ================
1445 */
1446 int SV_ModelIndex(const char *s, int precachemode)
1447 {
1448         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE) ? 256 : MAX_MODELS);
1449         char filename[MAX_QPATH];
1450         if (!s || !*s)
1451                 return 0;
1452         // testing
1453         //if (precachemode == 2)
1454         //      return 0;
1455         strlcpy(filename, s, sizeof(filename));
1456         for (i = 2;i < limit;i++)
1457         {
1458                 if (!sv.model_precache[i][0])
1459                 {
1460                         if (precachemode)
1461                         {
1462                                 if (sv.state != ss_loading && (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5))
1463                                 {
1464                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
1465                                         return 0;
1466                                 }
1467                                 if (precachemode == 1)
1468                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
1469                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
1470                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, false);
1471                                 if (sv.state != ss_loading)
1472                                 {
1473                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
1474                                         MSG_WriteShort(&sv.reliable_datagram, i);
1475                                         MSG_WriteString(&sv.reliable_datagram, filename);
1476                                 }
1477                                 return i;
1478                         }
1479                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
1480                         return 0;
1481                 }
1482                 if (!strcmp(sv.model_precache[i], filename))
1483                         return i;
1484         }
1485         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
1486         return 0;
1487 }
1488
1489 /*
1490 ================
1491 SV_SoundIndex
1492
1493 ================
1494 */
1495 int SV_SoundIndex(const char *s, int precachemode)
1496 {
1497         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE) ? 256 : MAX_SOUNDS);
1498         char filename[MAX_QPATH];
1499         if (!s || !*s)
1500                 return 0;
1501         // testing
1502         //if (precachemode == 2)
1503         //      return 0;
1504         strlcpy(filename, s, sizeof(filename));
1505         for (i = 1;i < limit;i++)
1506         {
1507                 if (!sv.sound_precache[i][0])
1508                 {
1509                         if (precachemode)
1510                         {
1511                                 if (sv.state != ss_loading && (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5))
1512                                 {
1513                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
1514                                         return 0;
1515                                 }
1516                                 if (precachemode == 1)
1517                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
1518                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
1519                                 if (sv.state != ss_loading)
1520                                 {
1521                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
1522                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
1523                                         MSG_WriteString(&sv.reliable_datagram, filename);
1524                                 }
1525                                 return i;
1526                         }
1527                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
1528                         return 0;
1529                 }
1530                 if (!strcmp(sv.sound_precache[i], filename))
1531                         return i;
1532         }
1533         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
1534         return 0;
1535 }
1536
1537 /*
1538 ================
1539 SV_CreateBaseline
1540
1541 ================
1542 */
1543 void SV_CreateBaseline (void)
1544 {
1545         int i, entnum, large;
1546         prvm_edict_t *svent;
1547
1548         // LordHavoc: clear *all* states (note just active ones)
1549         for (entnum = 0;entnum < prog->max_edicts;entnum++)
1550         {
1551                 // get the current server version
1552                 svent = PRVM_EDICT_NUM(entnum);
1553
1554                 // LordHavoc: always clear state values, whether the entity is in use or not
1555                 svent->priv.server->baseline = defaultstate;
1556
1557                 if (svent->priv.server->free)
1558                         continue;
1559                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
1560                         continue;
1561
1562                 // create entity baseline
1563                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
1564                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
1565                 svent->priv.server->baseline.frame = svent->fields.server->frame;
1566                 svent->priv.server->baseline.skin = svent->fields.server->skin;
1567                 if (entnum > 0 && entnum <= svs.maxclients)
1568                 {
1569                         svent->priv.server->baseline.colormap = entnum;
1570                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
1571                 }
1572                 else
1573                 {
1574                         svent->priv.server->baseline.colormap = 0;
1575                         svent->priv.server->baseline.modelindex = svent->fields.server->modelindex;
1576                 }
1577
1578                 large = false;
1579                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
1580                         large = true;
1581
1582                 // add to the message
1583                 if (large)
1584                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1585                 else
1586                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1587                 MSG_WriteShort (&sv.signon, entnum);
1588
1589                 if (large)
1590                 {
1591                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
1592                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
1593                 }
1594                 else
1595                 {
1596                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
1597                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
1598                 }
1599                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
1600                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
1601                 for (i=0 ; i<3 ; i++)
1602                 {
1603                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
1604                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
1605                 }
1606         }
1607 }
1608
1609
1610 /*
1611 ================
1612 SV_SaveSpawnparms
1613
1614 Grabs the current state of each client for saving across the
1615 transition to another level
1616 ================
1617 */
1618 void SV_SaveSpawnparms (void)
1619 {
1620         int             i, j;
1621
1622         svs.serverflags = prog->globals.server->serverflags;
1623
1624         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1625         {
1626                 if (!host_client->active)
1627                         continue;
1628
1629         // call the progs to get default spawn parms for the new client
1630                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
1631                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
1632                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1633                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
1634         }
1635 }
1636 /*
1637 void SV_IncreaseEdicts(void)
1638 {
1639         int i;
1640         prvm_edict_t *ent;
1641         int oldmax_edicts = prog->max_edicts;
1642         void *oldedictsengineprivate = prog->edictprivate;
1643         void *oldedictsfields = prog->edictsfields;
1644         void *oldmoved_edicts = sv.moved_edicts;
1645
1646         if (prog->max_edicts >= MAX_EDICTS)
1647                 return;
1648
1649         // links don't survive the transition, so unlink everything
1650         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
1651         {
1652                 if (!ent->priv.server->free)
1653                         SV_UnlinkEdict(prog->edicts + i);
1654                 memset(&ent->priv.server->areagrid, 0, sizeof(ent->priv.server->areagrid));
1655         }
1656         SV_ClearWorld();
1657
1658         prog->max_edicts   = min(prog->max_edicts + 256, MAX_EDICTS);
1659         prog->edictprivate = PR_Alloc(prog->max_edicts * sizeof(edict_engineprivate_t));
1660         prog->edictsfields = PR_Alloc(prog->max_edicts * prog->edict_size);
1661         sv.moved_edicts = PR_Alloc(prog->max_edicts * sizeof(prvm_edict_t *));
1662
1663         memcpy(prog->edictprivate, oldedictsengineprivate, oldmax_edicts * sizeof(edict_engineprivate_t));
1664         memcpy(prog->edictsfields, oldedictsfields, oldmax_edicts * prog->edict_size);
1665
1666         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
1667         {
1668                 ent->priv.vp = (unsigned char*) prog->edictprivate + i * prog->edictprivate_size;
1669                 ent->fields.server = (void *)((unsigned char *)prog->edictsfields + i * prog->edict_size);
1670                 // link every entity except world
1671                 if (!ent->priv.server->free)
1672                         SV_LinkEdict(ent, false);
1673         }
1674
1675         PR_Free(oldedictsengineprivate);
1676         PR_Free(oldedictsfields);
1677         PR_Free(oldmoved_edicts);
1678 }*/
1679
1680 /*
1681 ================
1682 SV_SpawnServer
1683
1684 This is called at the start of each level
1685 ================
1686 */
1687 extern float            scr_centertime_off;
1688
1689 void SV_SpawnServer (const char *server)
1690 {
1691         prvm_edict_t *ent;
1692         int i;
1693         char *entities;
1694         model_t *worldmodel;
1695         char modelname[sizeof(sv.modelname)];
1696
1697         Con_DPrintf("SpawnServer: %s\n", server);
1698
1699         if (cls.state != ca_dedicated)
1700                 SCR_BeginLoadingPlaque();
1701
1702         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
1703         worldmodel = Mod_ForName(modelname, false, true, true);
1704         if (!worldmodel || !worldmodel->TraceBox)
1705         {
1706                 Con_Printf("Couldn't load map %s\n", modelname);
1707                 return;
1708         }
1709
1710         // let's not have any servers with no name
1711         if (hostname.string[0] == 0)
1712                 Cvar_Set ("hostname", "UNNAMED");
1713         scr_centertime_off = 0;
1714
1715         svs.changelevel_issued = false;         // now safe to issue another
1716
1717 //
1718 // tell all connected clients that we are going to a new level
1719 //
1720         if (sv.active)
1721         {
1722                 // Tell all the clients that the server is changing levels
1723                 SV_VM_Begin();
1724                 MSG_WriteByte(&sv.reliable_datagram, svc_stufftext);
1725                 MSG_WriteString(&sv.reliable_datagram, "reconnect\n");
1726                 SV_VM_End();
1727         }
1728         else
1729         {
1730                 // open server port
1731                 NetConn_OpenServerPorts(true);
1732         }
1733
1734 //
1735 // make cvars consistant
1736 //
1737         if (coop.integer)
1738                 Cvar_SetValue ("deathmatch", 0);
1739         // LordHavoc: it can be useful to have skills outside the range 0-3...
1740         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
1741         //Cvar_SetValue ("skill", (float)current_skill);
1742         current_skill = (int)(skill.value + 0.5);
1743
1744 //
1745 // set up the new server
1746 //
1747         Host_ClearMemory ();
1748
1749         memset (&sv, 0, sizeof(sv));
1750
1751         SV_VM_Setup();
1752
1753         sv.active = true;
1754
1755         strlcpy (sv.name, server, sizeof (sv.name));
1756
1757         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
1758         if (sv.protocol == PROTOCOL_UNKNOWN)
1759         {
1760                 char buffer[1024];
1761                 Protocol_Names(buffer, sizeof(buffer));
1762                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
1763                 sv.protocol = PROTOCOL_QUAKE;
1764         }
1765
1766         SV_VM_Begin();
1767
1768 // load progs to get entity field count
1769         //PR_LoadProgs ( sv_progs.string );
1770
1771         // allocate server memory
1772         /*// start out with just enough room for clients and a reasonable estimate of entities
1773         prog->max_edicts = max(svs.maxclients + 1, 512);
1774         prog->max_edicts = min(prog->max_edicts, MAX_EDICTS);
1775
1776         // prvm_edict_t structures (hidden from progs)
1777         prog->edicts = PR_Alloc(MAX_EDICTS * sizeof(prvm_edict_t));
1778         // engine private structures (hidden from progs)
1779         prog->edictprivate = PR_Alloc(prog->max_edicts * sizeof(edict_engineprivate_t));
1780         // progs fields, often accessed by server
1781         prog->edictsfields = PR_Alloc(prog->max_edicts * prog->edict_size);*/
1782         // used by PushMove to move back pushed entities
1783         sv.moved_edicts = (prvm_edict_t **)PRVM_Alloc(prog->max_edicts * sizeof(prvm_edict_t *));
1784         /*for (i = 0;i < prog->max_edicts;i++)
1785         {
1786                 ent = prog->edicts + i;
1787                 ent->priv.vp = (unsigned char*) prog->edictprivate + i * prog->edictprivate_size;
1788                 ent->fields.server = (void *)((unsigned char *)prog->edictsfields + i * prog->edict_size);
1789         }*/
1790
1791         // reset client csqc entity versions right away.
1792         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1793                 EntityFrameCSQC_InitClientVersions(i, true);
1794
1795         sv.datagram.maxsize = sizeof(sv.datagram_buf);
1796         sv.datagram.cursize = 0;
1797         sv.datagram.data = sv.datagram_buf;
1798
1799         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
1800         sv.reliable_datagram.cursize = 0;
1801         sv.reliable_datagram.data = sv.reliable_datagram_buf;
1802
1803         sv.signon.maxsize = sizeof(sv.signon_buf);
1804         sv.signon.cursize = 0;
1805         sv.signon.data = sv.signon_buf;
1806
1807 // leave slots at start for clients only
1808         //prog->num_edicts = svs.maxclients+1;
1809
1810         sv.state = ss_loading;
1811         prog->allowworldwrites = true;
1812         sv.paused = false;
1813
1814         *prog->time = sv.time = 1.0;
1815
1816         Mod_ClearUsed();
1817         worldmodel->used = true;
1818
1819         strlcpy (sv.name, server, sizeof (sv.name));
1820         strcpy(sv.modelname, modelname);
1821         sv.worldmodel = worldmodel;
1822         sv.models[1] = sv.worldmodel;
1823
1824 //
1825 // clear world interaction links
1826 //
1827         SV_ClearWorld ();
1828
1829         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
1830
1831         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
1832         strlcpy(sv.model_precache[1], sv.modelname, sizeof(sv.model_precache[1]));
1833         for (i = 1;i < sv.worldmodel->brush.numsubmodels;i++)
1834         {
1835                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
1836                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, false);
1837         }
1838
1839 //
1840 // load the rest of the entities
1841 //
1842         // AK possible hack since num_edicts is still 0
1843         ent = PRVM_EDICT_NUM(0);
1844         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
1845         ent->priv.server->free = false;
1846         ent->fields.server->model = PRVM_SetEngineString(sv.modelname);
1847         ent->fields.server->modelindex = 1;             // world model
1848         ent->fields.server->solid = SOLID_BSP;
1849         ent->fields.server->movetype = MOVETYPE_PUSH;
1850
1851         if (coop.value)
1852                 prog->globals.server->coop = coop.integer;
1853         else
1854                 prog->globals.server->deathmatch = deathmatch.integer;
1855
1856         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
1857
1858 // serverflags are for cross level information (sigils)
1859         prog->globals.server->serverflags = svs.serverflags;
1860
1861         // we need to reset the spawned flag on all connected clients here so that
1862         // their thinks don't run during startup (before PutClientInServer)
1863         // we also need to set up the client entities now
1864         // and we need to set the ->edict pointers to point into the progs edicts
1865         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1866         {
1867                 host_client->spawned = false;
1868                 host_client->edict = PRVM_EDICT_NUM(i + 1);
1869                 PRVM_ED_ClearEdict(host_client->edict);
1870         }
1871
1872         // load replacement entity file if found
1873         entities = NULL;
1874         if (sv_entpatch.integer)
1875                 entities = (char *)FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true, NULL);
1876         if (entities)
1877         {
1878                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
1879                 PRVM_ED_LoadFromFile (entities);
1880                 Mem_Free(entities);
1881         }
1882         else
1883                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
1884
1885
1886         // LordHavoc: clear world angles (to fix e3m3.bsp)
1887         VectorClear(prog->edicts->fields.server->angles);
1888
1889 // all setup is completed, any further precache statements are errors
1890         sv.state = ss_active;
1891         prog->allowworldwrites = false;
1892
1893 // run two frames to allow everything to settle
1894         for (i = 0;i < 2;i++)
1895         {
1896                 sv.frametime = host_frametime = 0.1;
1897                 SV_Physics ();
1898         }
1899
1900         Mod_PurgeUnused();
1901
1902 // create a baseline for more efficient communications
1903         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE)
1904                 SV_CreateBaseline ();
1905
1906 // send serverinfo to all connected clients, and set up botclients coming back from a level change
1907         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1908         {
1909                 if (!host_client->active)
1910                         continue;
1911                 if (host_client->netconnection)
1912                         SV_SendServerinfo(host_client);
1913                 else
1914                 {
1915                         int j;
1916                         // if client is a botclient coming from a level change, we need to
1917                         // set up client info that normally requires networking
1918
1919                         // copy spawn parms out of the client_t
1920                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
1921                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
1922
1923                         // call the spawn function
1924                         host_client->clientconnectcalled = true;
1925                         prog->globals.server->time = sv.time;
1926                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
1927                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
1928                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
1929                         host_client->spawned = true;
1930                 }
1931         }
1932
1933         Con_DPrint("Server spawned.\n");
1934         NetConn_Heartbeat (2);
1935
1936         SV_VM_End();
1937 }
1938
1939 /////////////////////////////////////////////////////
1940 // SV VM stuff
1941
1942 void SV_VM_CB_BeginIncreaseEdicts(void)
1943 {
1944         int i;
1945         prvm_edict_t *ent;
1946
1947         PRVM_Free( sv.moved_edicts );
1948         sv.moved_edicts = (prvm_edict_t **)PRVM_Alloc(prog->max_edicts * sizeof(prvm_edict_t *));
1949
1950         // links don't survive the transition, so unlink everything
1951         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
1952         {
1953                 if (!ent->priv.server->free)
1954                         SV_UnlinkEdict(prog->edicts + i);
1955                 memset(&ent->priv.server->areagrid, 0, sizeof(ent->priv.server->areagrid));
1956         }
1957         SV_ClearWorld();
1958 }
1959
1960 void SV_VM_CB_EndIncreaseEdicts(void)
1961 {
1962         int i;
1963         prvm_edict_t *ent;
1964
1965         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
1966         {
1967                 // link every entity except world
1968                 if (!ent->priv.server->free)
1969                         SV_LinkEdict(ent, false);
1970         }
1971 }
1972
1973 void SV_VM_CB_InitEdict(prvm_edict_t *e)
1974 {
1975         // LordHavoc: for consistency set these here
1976         int num = PRVM_NUM_FOR_EDICT(e) - 1;
1977
1978         if (num >= 0 && num < svs.maxclients)
1979         {
1980                 prvm_eval_t *val;
1981                 // set colormap and team on newly created player entity
1982                 e->fields.server->colormap = num + 1;
1983                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
1984                 // set netname/clientcolors back to client values so that
1985                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
1986                 // reset them
1987                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
1988                 if ((val = PRVM_GETEDICTFIELDVALUE(e, eval_clientcolors)))
1989                         val->_float = svs.clients[num].colors;
1990                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
1991                 if( eval_playermodel )
1992                         PRVM_GETEDICTFIELDVALUE(e, eval_playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
1993                 if( eval_playerskin )
1994                         PRVM_GETEDICTFIELDVALUE(e, eval_playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
1995         }
1996 }
1997
1998 void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
1999 {
2000         SV_UnlinkEdict (ed);            // unlink from world bsp
2001
2002         ed->fields.server->model = 0;
2003         ed->fields.server->takedamage = 0;
2004         ed->fields.server->modelindex = 0;
2005         ed->fields.server->colormap = 0;
2006         ed->fields.server->skin = 0;
2007         ed->fields.server->frame = 0;
2008         VectorClear(ed->fields.server->origin);
2009         VectorClear(ed->fields.server->angles);
2010         ed->fields.server->nextthink = -1;
2011         ed->fields.server->solid = 0;
2012 }
2013
2014 void SV_VM_CB_CountEdicts(void)
2015 {
2016         int             i;
2017         prvm_edict_t    *ent;
2018         int             active, models, solid, step;
2019
2020         active = models = solid = step = 0;
2021         for (i=0 ; i<prog->num_edicts ; i++)
2022         {
2023                 ent = PRVM_EDICT_NUM(i);
2024                 if (ent->priv.server->free)
2025                         continue;
2026                 active++;
2027                 if (ent->fields.server->solid)
2028                         solid++;
2029                 if (ent->fields.server->model)
2030                         models++;
2031                 if (ent->fields.server->movetype == MOVETYPE_STEP)
2032                         step++;
2033         }
2034
2035         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
2036         Con_Printf("active    :%3i\n", active);
2037         Con_Printf("view      :%3i\n", models);
2038         Con_Printf("touch     :%3i\n", solid);
2039         Con_Printf("step      :%3i\n", step);
2040 }
2041
2042 qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
2043 {
2044         // remove things from different skill levels or deathmatch
2045         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
2046         {
2047                 if (deathmatch.integer)
2048                 {
2049                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
2050                         {
2051                                 return false;
2052                         }
2053                 }
2054                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
2055                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
2056                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
2057                 {
2058                         return false;
2059                 }
2060         }
2061         return true;
2062 }
2063
2064 cvar_t pr_checkextension = {CVAR_READONLY, "pr_checkextension", "1", "indicates to QuakeC that the standard quakec extensions system is available (if 0, quakec should not attempt to use extensions)"};
2065 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
2066 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
2067 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
2068 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
2069 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
2070 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
2071 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2072 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2073 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2074 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2075 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2076 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
2077 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
2078 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
2079 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
2080 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
2081 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
2082 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
2083 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
2084 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
2085 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
2086 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
2087 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
2088 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
2089 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
2090 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
2091 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
2092 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
2093 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
2094 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
2095 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
2096 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
2097
2098 void SV_VM_Init(void)
2099 {
2100         Cvar_RegisterVariable (&pr_checkextension);
2101         Cvar_RegisterVariable (&nomonsters);
2102         Cvar_RegisterVariable (&gamecfg);
2103         Cvar_RegisterVariable (&scratch1);
2104         Cvar_RegisterVariable (&scratch2);
2105         Cvar_RegisterVariable (&scratch3);
2106         Cvar_RegisterVariable (&scratch4);
2107         Cvar_RegisterVariable (&savedgamecfg);
2108         Cvar_RegisterVariable (&saved1);
2109         Cvar_RegisterVariable (&saved2);
2110         Cvar_RegisterVariable (&saved3);
2111         Cvar_RegisterVariable (&saved4);
2112         // LordHavoc: Nehahra uses these to pass data around cutscene demos
2113         if (gamemode == GAME_NEHAHRA)
2114         {
2115                 Cvar_RegisterVariable (&nehx00);
2116                 Cvar_RegisterVariable (&nehx01);
2117                 Cvar_RegisterVariable (&nehx02);
2118                 Cvar_RegisterVariable (&nehx03);
2119                 Cvar_RegisterVariable (&nehx04);
2120                 Cvar_RegisterVariable (&nehx05);
2121                 Cvar_RegisterVariable (&nehx06);
2122                 Cvar_RegisterVariable (&nehx07);
2123                 Cvar_RegisterVariable (&nehx08);
2124                 Cvar_RegisterVariable (&nehx09);
2125                 Cvar_RegisterVariable (&nehx10);
2126                 Cvar_RegisterVariable (&nehx11);
2127                 Cvar_RegisterVariable (&nehx12);
2128                 Cvar_RegisterVariable (&nehx13);
2129                 Cvar_RegisterVariable (&nehx14);
2130                 Cvar_RegisterVariable (&nehx15);
2131                 Cvar_RegisterVariable (&nehx16);
2132                 Cvar_RegisterVariable (&nehx17);
2133                 Cvar_RegisterVariable (&nehx18);
2134                 Cvar_RegisterVariable (&nehx19);
2135         }
2136         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
2137 }
2138
2139 // LordHavoc: in an effort to eliminate time wasted on GetEdictFieldValue...  these are defined as externs in progs.h
2140 int eval_gravity;
2141 int eval_button3;
2142 int eval_button4;
2143 int eval_button5;
2144 int eval_button6;
2145 int eval_button7;
2146 int eval_button8;
2147 int eval_button9;
2148 int eval_button10;
2149 int eval_button11;
2150 int eval_button12;
2151 int eval_button13;
2152 int eval_button14;
2153 int eval_button15;
2154 int eval_button16;
2155 int eval_buttonuse;
2156 int eval_buttonchat;
2157 int eval_glow_size;
2158 int eval_glow_trail;
2159 int eval_glow_color;
2160 int eval_items2;
2161 int eval_scale;
2162 int eval_alpha;
2163 int eval_renderamt; // HalfLife support
2164 int eval_rendermode; // HalfLife support
2165 int eval_fullbright;
2166 int eval_ammo_shells1;
2167 int eval_ammo_nails1;
2168 int eval_ammo_lava_nails;
2169 int eval_ammo_rockets1;
2170 int eval_ammo_multi_rockets;
2171 int eval_ammo_cells1;
2172 int eval_ammo_plasma;
2173 int eval_idealpitch;
2174 int eval_pitch_speed;
2175 int eval_viewmodelforclient;
2176 int eval_nodrawtoclient;
2177 int eval_exteriormodeltoclient;
2178 int eval_drawonlytoclient;
2179 int eval_ping;
2180 int eval_movement;
2181 int eval_pmodel;
2182 int eval_punchvector;
2183 int eval_viewzoom;
2184 int eval_clientcolors;
2185 int eval_tag_entity;
2186 int eval_tag_index;
2187 int eval_light_lev;
2188 int eval_color;
2189 int eval_style;
2190 int eval_pflags;
2191 int eval_cursor_active;
2192 int eval_cursor_screen;
2193 int eval_cursor_trace_start;
2194 int eval_cursor_trace_endpos;
2195 int eval_cursor_trace_ent;
2196 int eval_colormod;
2197 int eval_playermodel;
2198 int eval_playerskin;
2199 int eval_SendEntity;
2200 int eval_Version;
2201 int eval_customizeentityforclient;
2202
2203 mfunction_t *SV_PlayerPhysicsQC;
2204 mfunction_t *EndFrameQC;
2205 //KrimZon - SERVER COMMANDS IN QUAKEC
2206 mfunction_t *SV_ParseClientCommandQC;
2207
2208 ddef_t *PRVM_ED_FindGlobal(const char *name);
2209
2210 void SV_VM_FindEdictFieldOffsets(void)
2211 {
2212         eval_gravity = PRVM_ED_FindFieldOffset("gravity");
2213         eval_button3 = PRVM_ED_FindFieldOffset("button3");
2214         eval_button4 = PRVM_ED_FindFieldOffset("button4");
2215         eval_button5 = PRVM_ED_FindFieldOffset("button5");
2216         eval_button6 = PRVM_ED_FindFieldOffset("button6");
2217         eval_button7 = PRVM_ED_FindFieldOffset("button7");
2218         eval_button8 = PRVM_ED_FindFieldOffset("button8");
2219         eval_button9 = PRVM_ED_FindFieldOffset("button9");
2220         eval_button10 = PRVM_ED_FindFieldOffset("button10");
2221         eval_button11 = PRVM_ED_FindFieldOffset("button11");
2222         eval_button12 = PRVM_ED_FindFieldOffset("button12");
2223         eval_button13 = PRVM_ED_FindFieldOffset("button13");
2224         eval_button14 = PRVM_ED_FindFieldOffset("button14");
2225         eval_button15 = PRVM_ED_FindFieldOffset("button15");
2226         eval_button16 = PRVM_ED_FindFieldOffset("button16");
2227         eval_buttonuse = PRVM_ED_FindFieldOffset("buttonuse");
2228         eval_buttonchat = PRVM_ED_FindFieldOffset("buttonchat");
2229         eval_glow_size = PRVM_ED_FindFieldOffset("glow_size");
2230         eval_glow_trail = PRVM_ED_FindFieldOffset("glow_trail");
2231         eval_glow_color = PRVM_ED_FindFieldOffset("glow_color");
2232         eval_items2 = PRVM_ED_FindFieldOffset("items2");
2233         eval_scale = PRVM_ED_FindFieldOffset("scale");
2234         eval_alpha = PRVM_ED_FindFieldOffset("alpha");
2235         eval_renderamt = PRVM_ED_FindFieldOffset("renderamt"); // HalfLife support
2236         eval_rendermode = PRVM_ED_FindFieldOffset("rendermode"); // HalfLife support
2237         eval_fullbright = PRVM_ED_FindFieldOffset("fullbright");
2238         eval_ammo_shells1 = PRVM_ED_FindFieldOffset("ammo_shells1");
2239         eval_ammo_nails1 = PRVM_ED_FindFieldOffset("ammo_nails1");
2240         eval_ammo_lava_nails = PRVM_ED_FindFieldOffset("ammo_lava_nails");
2241         eval_ammo_rockets1 = PRVM_ED_FindFieldOffset("ammo_rockets1");
2242         eval_ammo_multi_rockets = PRVM_ED_FindFieldOffset("ammo_multi_rockets");
2243         eval_ammo_cells1 = PRVM_ED_FindFieldOffset("ammo_cells1");
2244         eval_ammo_plasma = PRVM_ED_FindFieldOffset("ammo_plasma");
2245         eval_idealpitch = PRVM_ED_FindFieldOffset("idealpitch");
2246         eval_pitch_speed = PRVM_ED_FindFieldOffset("pitch_speed");
2247         eval_viewmodelforclient = PRVM_ED_FindFieldOffset("viewmodelforclient");
2248         eval_nodrawtoclient = PRVM_ED_FindFieldOffset("nodrawtoclient");
2249         eval_exteriormodeltoclient = PRVM_ED_FindFieldOffset("exteriormodeltoclient");
2250         eval_drawonlytoclient = PRVM_ED_FindFieldOffset("drawonlytoclient");
2251         eval_ping = PRVM_ED_FindFieldOffset("ping");
2252         eval_movement = PRVM_ED_FindFieldOffset("movement");
2253         eval_pmodel = PRVM_ED_FindFieldOffset("pmodel");
2254         eval_punchvector = PRVM_ED_FindFieldOffset("punchvector");
2255         eval_viewzoom = PRVM_ED_FindFieldOffset("viewzoom");
2256         eval_clientcolors = PRVM_ED_FindFieldOffset("clientcolors");
2257         eval_tag_entity = PRVM_ED_FindFieldOffset("tag_entity");
2258         eval_tag_index = PRVM_ED_FindFieldOffset("tag_index");
2259         eval_light_lev = PRVM_ED_FindFieldOffset("light_lev");
2260         eval_color = PRVM_ED_FindFieldOffset("color");
2261         eval_style = PRVM_ED_FindFieldOffset("style");
2262         eval_pflags = PRVM_ED_FindFieldOffset("pflags");
2263         eval_cursor_active = PRVM_ED_FindFieldOffset("cursor_active");
2264         eval_cursor_screen = PRVM_ED_FindFieldOffset("cursor_screen");
2265         eval_cursor_trace_start = PRVM_ED_FindFieldOffset("cursor_trace_start");
2266         eval_cursor_trace_endpos = PRVM_ED_FindFieldOffset("cursor_trace_endpos");
2267         eval_cursor_trace_ent = PRVM_ED_FindFieldOffset("cursor_trace_ent");
2268         eval_colormod = PRVM_ED_FindFieldOffset("colormod");
2269         eval_playermodel = PRVM_ED_FindFieldOffset("playermodel");
2270         eval_playerskin = PRVM_ED_FindFieldOffset("playerskin");
2271         eval_SendEntity = PRVM_ED_FindFieldOffset("SendEntity");
2272         eval_Version = PRVM_ED_FindFieldOffset("Version");
2273         eval_customizeentityforclient = PRVM_ED_FindFieldOffset("customizeentityforclient");
2274
2275         // LordHavoc: allowing QuakeC to override the player movement code
2276         SV_PlayerPhysicsQC = PRVM_ED_FindFunction ("SV_PlayerPhysics");
2277         // LordHavoc: support for endframe
2278         EndFrameQC = PRVM_ED_FindFunction ("EndFrame");
2279         //KrimZon - SERVER COMMANDS IN QUAKEC
2280         SV_ParseClientCommandQC = PRVM_ED_FindFunction ("SV_ParseClientCommand");
2281
2282         //[515]: init stufftext string (it is sent before svc_serverinfo)
2283         if(PRVM_ED_FindGlobal("SV_InitCmd") && PRVM_ED_FindGlobal("SV_InitCmd")->type & ev_string)
2284                 SV_InitCmd = PRVM_G_STRING(PRVM_ED_FindGlobal("SV_InitCmd")->ofs);
2285         else
2286                 SV_InitCmd = NULL;
2287 }
2288
2289 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
2290
2291 prvm_required_field_t reqfields[] =
2292 {
2293         {ev_entity, "cursor_trace_ent"},
2294         {ev_entity, "drawonlytoclient"},
2295         {ev_entity, "exteriormodeltoclient"},
2296         {ev_entity, "nodrawtoclient"},
2297         {ev_entity, "tag_entity"},
2298         {ev_entity, "viewmodelforclient"},
2299         {ev_float, "alpha"},
2300         {ev_float, "ammo_cells1"},
2301         {ev_float, "ammo_lava_nails"},
2302         {ev_float, "ammo_multi_rockets"},
2303         {ev_float, "ammo_nails1"},
2304         {ev_float, "ammo_plasma"},
2305         {ev_float, "ammo_rockets1"},
2306         {ev_float, "ammo_shells1"},
2307         {ev_float, "button3"},
2308         {ev_float, "button4"},
2309         {ev_float, "button5"},
2310         {ev_float, "button6"},
2311         {ev_float, "button7"},
2312         {ev_float, "button8"},
2313         {ev_float, "button9"},
2314         {ev_float, "button10"},
2315         {ev_float, "button11"},
2316         {ev_float, "button12"},
2317         {ev_float, "button13"},
2318         {ev_float, "button14"},
2319         {ev_float, "button15"},
2320         {ev_float, "button16"},
2321         {ev_float, "buttonchat"},
2322         {ev_float, "buttonuse"},
2323         {ev_float, "clientcolors"},
2324         {ev_float, "cursor_active"},
2325         {ev_float, "fullbright"},
2326         {ev_float, "glow_color"},
2327         {ev_float, "glow_size"},
2328         {ev_float, "glow_trail"},
2329         {ev_float, "gravity"},
2330         {ev_float, "idealpitch"},
2331         {ev_float, "items2"},
2332         {ev_float, "light_lev"},
2333         {ev_float, "pflags"},
2334         {ev_float, "ping"},
2335         {ev_float, "pitch_speed"},
2336         {ev_float, "pmodel"},
2337         {ev_float, "renderamt"}, // HalfLife support
2338         {ev_float, "rendermode"}, // HalfLife support
2339         {ev_float, "scale"},
2340         {ev_float, "style"},
2341         {ev_float, "tag_index"},
2342         {ev_float, "Version"},
2343         {ev_float, "viewzoom"},
2344         {ev_vector, "color"},
2345         {ev_vector, "colormod"},
2346         {ev_vector, "cursor_screen"},
2347         {ev_vector, "cursor_trace_endpos"},
2348         {ev_vector, "cursor_trace_start"},
2349         {ev_vector, "movement"},
2350         {ev_vector, "punchvector"},
2351         {ev_string, "playermodel"},
2352         {ev_string, "playerskin"},
2353         {ev_function, "SendEntity"},
2354         {ev_function, "customizeentityforclient"},
2355 };
2356
2357 void SV_VM_Setup(void)
2358 {
2359         PRVM_Begin;
2360         PRVM_InitProg( PRVM_SERVERPROG );
2361
2362         // allocate the mempools
2363         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
2364         prog->builtins = vm_sv_builtins;
2365         prog->numbuiltins = vm_sv_numbuiltins;
2366         prog->headercrc = PROGHEADER_CRC;
2367         prog->max_edicts = 512;
2368         prog->limit_edicts = MAX_EDICTS;
2369         prog->reserved_edicts = svs.maxclients;
2370         prog->edictprivate_size = sizeof(edict_engineprivate_t);
2371         prog->name = "server";
2372         prog->extensionstring = vm_sv_extensions;
2373         prog->loadintoworld = true;
2374
2375         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
2376         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
2377         prog->init_edict = SV_VM_CB_InitEdict;
2378         prog->free_edict = SV_VM_CB_FreeEdict;
2379         prog->count_edicts = SV_VM_CB_CountEdicts;
2380         prog->load_edict = SV_VM_CB_LoadEdict;
2381         prog->init_cmd = VM_SV_Cmd_Init;
2382         prog->reset_cmd = VM_SV_Cmd_Reset;
2383         prog->error_cmd = Host_Error;
2384
2385         // TODO: add a requiredfuncs list (ask LH if this is necessary at all)
2386         PRVM_LoadProgs( sv_progs.string, 0, NULL, REQFIELDS, reqfields );
2387         SV_VM_FindEdictFieldOffsets();
2388
2389         VM_AutoSentStats_Clear();//[515]: csqc
2390         EntityFrameCSQC_ClearVersions();//[515]: csqc
2391
2392         PRVM_End;
2393 }
2394
2395 void SV_VM_Begin(void)
2396 {
2397         PRVM_Begin;
2398         PRVM_SetProg( PRVM_SERVERPROG );
2399
2400         *prog->time = (float) sv.time;
2401 }
2402
2403 void SV_VM_End(void)
2404 {
2405         PRVM_End;
2406 }