refactored csqc entity sending code so that it properly obeys msg->maxsize, undoing...
[divverent/darkplaces.git] / sv_main.c
1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12
13 See the GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18
19 */
20 // sv_main.c -- server main program
21
22 #include "quakedef.h"
23 #include "libcurl.h"
24
25 void SV_VM_Init();
26 void SV_VM_Setup();
27
28 void VM_AutoSentStats_Clear (void);
29 void EntityFrameCSQC_ClearVersions (void);
30 void EntityFrameCSQC_InitClientVersions (int client, qboolean clear);
31 void VM_SV_WriteAutoSentStats (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats);
32 void EntityFrameCSQC_WriteFrame (sizebuf_t *msg, int numstates, const entity_state_t *states);
33
34
35 // select which protocol to host, this is fed to Protocol_EnumForName
36 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
37 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)"};
38 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "10000", "upper limit on client rate cvar, should reflect your network connection quality"};
39 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
40 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
41 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
42 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
43 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
44
45 extern cvar_t sv_random_seed;
46
47 static cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"}; // fast but loose
48 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
49 static cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "1", "number of samples to test for entity culling"};
50 static cvar_t sv_cullentities_trace_samples_extra = {0, "sv_cullentities_trace_samples_extra", "2", "number of samples to test for entity culling when the entity affects its surroundings by e.g. dlight"};
51 static cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
52 static cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
53 static cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
54 static cvar_t sv_cullentities_nevercullbmodels = {0, "sv_cullentities_nevercullbmodels", "0", "if enabled the clients are always notified of moving doors and lifts and other submodels of world (warning: eats a lot of network bandwidth on some levels!)"};
55 static cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
56 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)"};
57
58 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
59 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"};
60 cvar_t sv_gameplayfix_stepdown = {0, "sv_gameplayfix_stepdown", "0", "attempts to step down stairs, not just up them (prevents the familiar thud..thud..thud.. when running down stairs and slopes)"};
61 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)"};
62 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"};
63 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"};
64 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"};
65 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"};
66 cvar_t sv_gameplayfix_qwplayerphysics = {0, "sv_gameplayfix_qwplayerphysics", "1", "changes water jumping to make it easier to get out of water, and prevents friction on landing when bunnyhopping"};
67 cvar_t sv_gameplayfix_upwardvelocityclearsongroundflag = {0, "sv_gameplayfix_upwardvelocityclearsongroundflag", "1", "prevents monsters, items, and most other objects from being stuck to the floor when pushed around by damage, and other situations in mods"};
68 cvar_t sv_gameplayfix_droptofloorstartsolid = {0, "sv_gameplayfix_droptofloorstartsolid", "1", "prevents items and monsters that start in a solid area from falling out of the level (makes droptofloor treat trace_startsolid as an acceptable outcome)"};
69
70 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
71
72 // TODO: move these cvars here
73 extern cvar_t sv_clmovement_enable;
74 extern cvar_t sv_clmovement_minping;
75 extern cvar_t sv_clmovement_minping_disabletime;
76 extern cvar_t sv_clmovement_waitforinput;
77
78 server_t sv;
79 server_static_t svs;
80
81 mempool_t *sv_mempool = NULL;
82
83 //============================================================================
84
85 extern void SV_Phys_Init (void);
86 static void SV_SaveEntFile_f(void);
87 static void SV_StartDownload_f(void);
88 static void SV_Download_f(void);
89
90 void SV_AreaStats_f(void)
91 {
92         World_PrintAreaStats(&sv.world, "server");
93 }
94
95 /*
96 ===============
97 SV_Init
98 ===============
99 */
100 void SV_Init (void)
101 {
102         // init the csqc progs cvars, since they are updated/used by the server code
103         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
104         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
105         extern cvar_t csqc_progcrc;
106         extern cvar_t csqc_progsize;
107         Cvar_RegisterVariable (&csqc_progname);
108         Cvar_RegisterVariable (&csqc_progcrc);
109         Cvar_RegisterVariable (&csqc_progsize);
110
111         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
112         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
113         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
114         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
115         Cvar_RegisterVariable (&sv_maxvelocity);
116         Cvar_RegisterVariable (&sv_gravity);
117         Cvar_RegisterVariable (&sv_friction);
118         Cvar_RegisterVariable (&sv_waterfriction);
119         Cvar_RegisterVariable (&sv_edgefriction);
120         Cvar_RegisterVariable (&sv_stopspeed);
121         Cvar_RegisterVariable (&sv_maxspeed);
122         Cvar_RegisterVariable (&sv_maxairspeed);
123         Cvar_RegisterVariable (&sv_accelerate);
124         Cvar_RegisterVariable (&sv_airaccelerate);
125         Cvar_RegisterVariable (&sv_wateraccelerate);
126         Cvar_RegisterVariable (&sv_clmovement_enable);
127         Cvar_RegisterVariable (&sv_clmovement_minping);
128         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
129         Cvar_RegisterVariable (&sv_clmovement_waitforinput);
130         Cvar_RegisterVariable (&sv_idealpitchscale);
131         Cvar_RegisterVariable (&sv_aim);
132         Cvar_RegisterVariable (&sv_nostep);
133         Cvar_RegisterVariable (&sv_cullentities_pvs);
134         Cvar_RegisterVariable (&sv_cullentities_trace);
135         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
136         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
137         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
138         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
139         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
140         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
141         Cvar_RegisterVariable (&sv_cullentities_stats);
142         Cvar_RegisterVariable (&sv_entpatch);
143         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
144         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
145         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
146         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
147         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
148         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
149         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
150         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
151         Cvar_RegisterVariable (&sv_gameplayfix_qwplayerphysics);
152         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
153         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
154         Cvar_RegisterVariable (&sv_protocolname);
155         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
156         Cvar_RegisterVariable (&sv_maxrate);
157         Cvar_RegisterVariable (&sv_allowdownloads);
158         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
159         Cvar_RegisterVariable (&sv_allowdownloads_archive);
160         Cvar_RegisterVariable (&sv_allowdownloads_config);
161         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
162         Cvar_RegisterVariable (&sv_progs);
163
164         SV_VM_Init();
165         SV_Phys_Init();
166
167         sv_mempool = Mem_AllocPool("server", 0, NULL);
168 }
169
170 static void SV_SaveEntFile_f(void)
171 {
172         char basename[MAX_QPATH];
173         if (!sv.active || !sv.worldmodel)
174         {
175                 Con_Print("Not running a server\n");
176                 return;
177         }
178         FS_StripExtension(sv.worldmodel->name, basename, sizeof(basename));
179         FS_WriteFile(va("%s.ent", basename), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
180 }
181
182
183 /*
184 =============================================================================
185
186 EVENT MESSAGES
187
188 =============================================================================
189 */
190
191 /*
192 ==================
193 SV_StartParticle
194
195 Make sure the event gets sent to all clients
196 ==================
197 */
198 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
199 {
200         int i;
201
202         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
203                 return;
204         MSG_WriteByte (&sv.datagram, svc_particle);
205         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
206         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
207         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
208         for (i=0 ; i<3 ; i++)
209                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
210         MSG_WriteByte (&sv.datagram, count);
211         MSG_WriteByte (&sv.datagram, color);
212 }
213
214 /*
215 ==================
216 SV_StartEffect
217
218 Make sure the event gets sent to all clients
219 ==================
220 */
221 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
222 {
223         if (modelindex >= 256 || startframe >= 256)
224         {
225                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
226                         return;
227                 MSG_WriteByte (&sv.datagram, svc_effect2);
228                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
229                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
230                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
231                 MSG_WriteShort (&sv.datagram, modelindex);
232                 MSG_WriteShort (&sv.datagram, startframe);
233                 MSG_WriteByte (&sv.datagram, framecount);
234                 MSG_WriteByte (&sv.datagram, framerate);
235         }
236         else
237         {
238                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
239                         return;
240                 MSG_WriteByte (&sv.datagram, svc_effect);
241                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
242                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
243                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
244                 MSG_WriteByte (&sv.datagram, modelindex);
245                 MSG_WriteByte (&sv.datagram, startframe);
246                 MSG_WriteByte (&sv.datagram, framecount);
247                 MSG_WriteByte (&sv.datagram, framerate);
248         }
249 }
250
251 /*
252 ==================
253 SV_StartSound
254
255 Each entity can have eight independant sound sources, like voice,
256 weapon, feet, etc.
257
258 Channel 0 is an auto-allocate channel, the others override anything
259 already running on that entity/channel pair.
260
261 An attenuation of 0 will play full volume everywhere in the level.
262 Larger attenuations will drop off.  (max 4 attenuation)
263
264 ==================
265 */
266 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
267 {
268         int sound_num, field_mask, i, ent;
269
270         if (volume < 0 || volume > 255)
271         {
272                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
273                 return;
274         }
275
276         if (attenuation < 0 || attenuation > 4)
277         {
278                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
279                 return;
280         }
281
282         if (channel < 0 || channel > 7)
283         {
284                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
285                 return;
286         }
287
288         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
289                 return;
290
291 // find precache number for sound
292         sound_num = SV_SoundIndex(sample, 1);
293         if (!sound_num)
294                 return;
295
296         ent = PRVM_NUM_FOR_EDICT(entity);
297
298         field_mask = 0;
299         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
300                 field_mask |= SND_VOLUME;
301         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
302                 field_mask |= SND_ATTENUATION;
303         if (ent >= 8192)
304                 field_mask |= SND_LARGEENTITY;
305         if (sound_num >= 256 || channel >= 8)
306                 field_mask |= SND_LARGESOUND;
307
308 // directed messages go only to the entity they are targeted on
309         MSG_WriteByte (&sv.datagram, svc_sound);
310         MSG_WriteByte (&sv.datagram, field_mask);
311         if (field_mask & SND_VOLUME)
312                 MSG_WriteByte (&sv.datagram, volume);
313         if (field_mask & SND_ATTENUATION)
314                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
315         if (field_mask & SND_LARGEENTITY)
316         {
317                 MSG_WriteShort (&sv.datagram, ent);
318                 MSG_WriteByte (&sv.datagram, channel);
319         }
320         else
321                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
322         if (field_mask & SND_LARGESOUND)
323                 MSG_WriteShort (&sv.datagram, sound_num);
324         else
325                 MSG_WriteByte (&sv.datagram, sound_num);
326         for (i = 0;i < 3;i++)
327                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
328 }
329
330 /*
331 ==============================================================================
332
333 CLIENT SPAWNING
334
335 ==============================================================================
336 */
337
338 /*
339 ================
340 SV_SendServerinfo
341
342 Sends the first message from the server to a connected client.
343 This will be sent on the initial connection and upon each server load.
344 ================
345 */
346 void SV_SendServerinfo (client_t *client)
347 {
348         int i;
349         char message[128];
350
351         // we know that this client has a netconnection and thus is not a bot
352
353         // edicts get reallocated on level changes, so we need to update it here
354         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
355
356         // clear cached stuff that depends on the level
357         client->weaponmodel[0] = 0;
358         client->weaponmodelindex = 0;
359
360         // LordHavoc: clear entityframe tracking
361         client->latestframenum = 0;
362
363         if (client->entitydatabase)
364                 EntityFrame_FreeDatabase(client->entitydatabase);
365         if (client->entitydatabase4)
366                 EntityFrame4_FreeDatabase(client->entitydatabase4);
367         if (client->entitydatabase5)
368                 EntityFrame5_FreeDatabase(client->entitydatabase5);
369
370         if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE)
371         {
372                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
373                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
374                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
375                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
376                 else
377                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
378         }
379
380         SZ_Clear (&client->netconnection->message);
381         MSG_WriteByte (&client->netconnection->message, svc_print);
382         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)", gamename, buildstring, prog->filecrc);
383         MSG_WriteString (&client->netconnection->message,message);
384
385         //[515]: init csprogs according to version of svprogs, check the crc, etc.
386         if (sv.csqc_progname[0])
387         {
388                 prvm_eval_t *val;
389                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
390                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
391                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
392                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
393                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
394                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
395                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
396                 //[515]: init stufftext string (it is sent before svc_serverinfo)
397                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.SV_InitCmd);
398                 if (val)
399                 {
400                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
401                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(val->string)));
402                 }
403         }
404
405         if (sv_allowdownloads.integer)
406         {
407                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
408                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 1");
409         }
410
411         // send at this time so it's guaranteed to get executed at the right time
412         {
413                 client_t *save;
414                 save = host_client;
415                 host_client = client;
416                 Curl_SendRequirements();
417                 host_client = save;
418         }
419
420         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
421         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
422         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
423
424         if (!coop.integer && deathmatch.integer)
425                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
426         else
427                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
428
429         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
430
431         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
432                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
433         MSG_WriteByte (&client->netconnection->message, 0);
434
435         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
436                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
437         MSG_WriteByte (&client->netconnection->message, 0);
438
439 // send music
440         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
441         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
442         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
443
444 // set view
445         MSG_WriteByte (&client->netconnection->message, svc_setview);
446         MSG_WriteShort (&client->netconnection->message, PRVM_NUM_FOR_EDICT(client->edict));
447
448         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
449         MSG_WriteByte (&client->netconnection->message, 1);
450
451         client->spawned = false;                // need prespawn, spawn, etc
452
453         // clear movement info until client enters the new level properly
454         memset(&client->cmd, 0, sizeof(client->cmd));
455         client->movesequence = 0;
456 #ifdef NUM_PING_TIMES
457         for (i = 0;i < NUM_PING_TIMES;i++)
458                 client->ping_times[i] = 0;
459         client->num_pings = 0;
460 #endif
461         client->ping = 0;
462 }
463
464 /*
465 ================
466 SV_ConnectClient
467
468 Initializes a client_t for a new net connection.  This will only be called
469 once for a player each game, not once for each level change.
470 ================
471 */
472 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
473 {
474         client_t                *client;
475         int                             i;
476         float                   spawn_parms[NUM_SPAWN_PARMS];
477
478         client = svs.clients + clientnum;
479
480         if(netconnection)//[515]: bots don't play with csqc =)
481                 EntityFrameCSQC_InitClientVersions(clientnum, false);
482
483 // set up the client_t
484         if (sv.loadgame)
485                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
486         memset (client, 0, sizeof(*client));
487         client->active = true;
488         client->netconnection = netconnection;
489
490         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
491
492         strlcpy(client->name, "unconnected", sizeof(client->name));
493         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
494         client->spawned = false;
495         client->edict = PRVM_EDICT_NUM(clientnum+1);
496         if (client->netconnection)
497                 client->netconnection->message.allowoverflow = true;            // we can catch it
498         // updated by receiving "rate" command from client
499         client->rate = NET_MINRATE;
500         // no limits for local player
501         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
502                 client->rate = 1000000000;
503         client->connecttime = realtime;
504
505         if (sv.loadgame)
506                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
507         else
508         {
509                 // call the progs to get default spawn parms for the new client
510                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
511                 prog->globals.server->self = 0;
512                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
513                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
514                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
515
516                 // set up the entity for this client (including .colormap, .team, etc)
517                 PRVM_ED_ClearEdict(client->edict);
518         }
519
520         // don't call SendServerinfo for a fresh botclient because its fields have
521         // not been set up by the qc yet
522         if (client->netconnection)
523                 SV_SendServerinfo (client);
524         else
525                 client->spawned = true;
526 }
527
528
529 /*
530 ===============================================================================
531
532 FRAME UPDATES
533
534 ===============================================================================
535 */
536
537 /*
538 ==================
539 SV_ClearDatagram
540
541 ==================
542 */
543 void SV_ClearDatagram (void)
544 {
545         SZ_Clear (&sv.datagram);
546 }
547
548 /*
549 =============================================================================
550
551 The PVS must include a small area around the client to allow head bobbing
552 or other small motion on the client side.  Otherwise, a bob might cause an
553 entity that should be visible to not show up, especially when the bob
554 crosses a waterline.
555
556 =============================================================================
557 */
558
559 int sv_writeentitiestoclient_pvsbytes;
560 unsigned char sv_writeentitiestoclient_pvs[MAX_MAP_LEAFS/8];
561
562 static int numsendentities;
563 static entity_state_t sendentities[MAX_EDICTS];
564 static entity_state_t *sendentitiesindex[MAX_EDICTS];
565
566 qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int e)
567 {
568         int i;
569         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
570         unsigned int customizeentityforclient;
571         float f;
572         vec3_t cullmins, cullmaxs;
573         model_t *model;
574         prvm_eval_t *val;
575
576         // EF_NODRAW prevents sending for any reason except for your own
577         // client, so we must keep all clients in this superset
578         effects = (unsigned)ent->fields.server->effects;
579
580         // we can omit invisible entities with no effects that are not clients
581         // LordHavoc: this could kill tags attached to an invisible entity, I
582         // just hope we never have to support that case
583         i = (int)ent->fields.server->modelindex;
584         modelindex = (i >= 1 && i < MAX_MODELS && *PRVM_GetString(ent->fields.server->model)) ? i : 0;
585
586         flags = 0;
587         i = (int)(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_size)->_float * 0.25f);
588         glowsize = (unsigned char)bound(0, i, 255);
589         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_trail)->_float)
590                 flags |= RENDER_GLOWTRAIL;
591
592         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[0]*256;
593         light[0] = (unsigned short)bound(0, f, 65535);
594         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[1]*256;
595         light[1] = (unsigned short)bound(0, f, 65535);
596         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[2]*256;
597         light[2] = (unsigned short)bound(0, f, 65535);
598         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.light_lev)->_float;
599         light[3] = (unsigned short)bound(0, f, 65535);
600         lightstyle = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.style)->_float;
601         lightpflags = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float;
602
603         if (gamemode == GAME_TENEBRAE)
604         {
605                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
606                 if (effects & 16)
607                 {
608                         effects &= ~16;
609                         lightpflags |= PFLAGS_FULLDYNAMIC;
610                 }
611                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
612                 if (effects & 32)
613                 {
614                         effects &= ~32;
615                         light[0] = (int)(0.2*256);
616                         light[1] = (int)(1.0*256);
617                         light[2] = (int)(0.2*256);
618                         light[3] = 200;
619                         lightpflags |= PFLAGS_FULLDYNAMIC;
620                 }
621         }
622
623         specialvisibilityradius = 0;
624         if (lightpflags & PFLAGS_FULLDYNAMIC)
625                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
626         if (glowsize)
627                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
628         if (flags & RENDER_GLOWTRAIL)
629                 specialvisibilityradius = max(specialvisibilityradius, 100);
630         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
631         {
632                 if (effects & EF_BRIGHTFIELD)
633                         specialvisibilityradius = max(specialvisibilityradius, 80);
634                 if (effects & EF_MUZZLEFLASH)
635                         specialvisibilityradius = max(specialvisibilityradius, 100);
636                 if (effects & EF_BRIGHTLIGHT)
637                         specialvisibilityradius = max(specialvisibilityradius, 400);
638                 if (effects & EF_DIMLIGHT)
639                         specialvisibilityradius = max(specialvisibilityradius, 200);
640                 if (effects & EF_RED)
641                         specialvisibilityradius = max(specialvisibilityradius, 200);
642                 if (effects & EF_BLUE)
643                         specialvisibilityradius = max(specialvisibilityradius, 200);
644                 if (effects & EF_FLAME)
645                         specialvisibilityradius = max(specialvisibilityradius, 250);
646                 if (effects & EF_STARDUST)
647                         specialvisibilityradius = max(specialvisibilityradius, 100);
648         }
649
650         // early culling checks
651         // (final culling is done by SV_MarkWriteEntityStateToClient)
652         customizeentityforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.customizeentityforclient)->function;
653         if (!customizeentityforclient)
654         {
655                 if (e > svs.maxclients && (!modelindex && !specialvisibilityradius))
656                         return false;
657                 // this 2 billion unit check is actually to detect NAN origins
658                 // (we really don't want to send those)
659                 if (VectorLength2(ent->fields.server->origin) > 2000000000.0*2000000000.0)
660                         return false;
661         }
662
663
664         *cs = defaultstate;
665         cs->active = true;
666         cs->number = e;
667         VectorCopy(ent->fields.server->origin, cs->origin);
668         VectorCopy(ent->fields.server->angles, cs->angles);
669         cs->flags = flags;
670         cs->effects = effects;
671         cs->colormap = (unsigned)ent->fields.server->colormap;
672         cs->modelindex = modelindex;
673         cs->skin = (unsigned)ent->fields.server->skin;
674         cs->frame = (unsigned)ent->fields.server->frame;
675         cs->viewmodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict;
676         cs->exteriormodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.exteriormodeltoclient)->edict;
677         cs->nodrawtoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.nodrawtoclient)->edict;
678         cs->drawonlytoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.drawonlytoclient)->edict;
679         cs->customizeentityforclient = customizeentityforclient;
680         cs->tagentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)->edict;
681         cs->tagindex = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
682         cs->glowsize = glowsize;
683
684         // don't need to init cs->colormod because the defaultstate did that for us
685         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
686         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod);
687         if (val->vector[0] || val->vector[1] || val->vector[2])
688         {
689                 i = (int)(val->vector[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
690                 i = (int)(val->vector[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
691                 i = (int)(val->vector[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
692         }
693
694         cs->modelindex = modelindex;
695
696         cs->alpha = 255;
697         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)->_float * 255.0f);
698         if (f)
699         {
700                 i = (int)f;
701                 cs->alpha = (unsigned char)bound(0, i, 255);
702         }
703         // halflife
704         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderamt)->_float);
705         if (f)
706         {
707                 i = (int)f;
708                 cs->alpha = (unsigned char)bound(0, i, 255);
709         }
710
711         cs->scale = 16;
712         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)->_float * 16.0f);
713         if (f)
714         {
715                 i = (int)f;
716                 cs->scale = (unsigned char)bound(0, i, 255);
717         }
718
719         cs->glowcolor = 254;
720         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_color)->_float);
721         if (f)
722                 cs->glowcolor = (int)f;
723
724         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.fullbright)->_float)
725                 cs->effects |= EF_FULLBRIGHT;
726
727         if (ent->fields.server->movetype == MOVETYPE_STEP)
728                 cs->flags |= RENDER_STEP;
729         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)
730                 cs->flags |= RENDER_LOWPRECISION;
731         if (ent->fields.server->colormap >= 1024)
732                 cs->flags |= RENDER_COLORMAPPED;
733         if (cs->viewmodelforclient)
734                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
735
736         cs->light[0] = light[0];
737         cs->light[1] = light[1];
738         cs->light[2] = light[2];
739         cs->light[3] = light[3];
740         cs->lightstyle = lightstyle;
741         cs->lightpflags = lightpflags;
742
743         cs->specialvisibilityradius = specialvisibilityradius;
744
745         // calculate the visible box of this entity (don't use the physics box
746         // as that is often smaller than a model, and would not count
747         // specialvisibilityradius)
748         if ((model = sv.models[modelindex]))
749         {
750                 float scale = cs->scale * (1.0f / 16.0f);
751                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
752                 {
753                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
754                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
755                 }
756                 else if (cs->angles[1])
757                 {
758                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
759                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
760                 }
761                 else
762                 {
763                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
764                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
765                 }
766         }
767         else
768         {
769                 // if there is no model (or it could not be loaded), use the physics box
770                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
771                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
772         }
773         if (specialvisibilityradius)
774         {
775                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
776                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
777                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
778                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
779                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
780                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
781         }
782         // calculate center of bbox for network prioritization purposes
783         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
784         // if culling box has moved, update pvs cluster links
785         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
786         {
787                 VectorCopy(cullmins, ent->priv.server->cullmins);
788                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
789                 // a value of -1 for pvs_numclusters indicates that the links are not
790                 // cached, and should be re-tested each time, this is the case if the
791                 // culling box touches too many pvs clusters to store, or if the world
792                 // model does not support FindBoxClusters
793                 ent->priv.server->pvs_numclusters = -1;
794                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
795                 {
796                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
797                         if (i <= MAX_ENTITYCLUSTERS)
798                                 ent->priv.server->pvs_numclusters = i;
799                 }
800         }
801
802         return true;
803 }
804
805 void SV_PrepareEntitiesForSending(void)
806 {
807         int e;
808         prvm_edict_t *ent;
809         // send all entities that touch the pvs
810         numsendentities = 0;
811         sendentitiesindex[0] = NULL;
812         memset(sendentitiesindex, 0, prog->num_edicts * sizeof(entity_state_t *));
813         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
814         {
815                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sendentities + numsendentities, e))
816                 {
817                         sendentitiesindex[e] = sendentities + numsendentities;
818                         numsendentities++;
819                 }
820         }
821 }
822
823 static int sententitiesmark = 0;
824 static int sententities[MAX_EDICTS];
825 static int sententitiesconsideration[MAX_EDICTS];
826 static int sv_writeentitiestoclient_culled_pvs;
827 static int sv_writeentitiestoclient_culled_trace;
828 static int sv_writeentitiestoclient_visibleentities;
829 static int sv_writeentitiestoclient_totalentities;
830 //static entity_frame_t sv_writeentitiestoclient_entityframe;
831 static int sv_writeentitiestoclient_clentnum;
832 static vec3_t sv_writeentitiestoclient_testeye;
833 static client_t *sv_writeentitiestoclient_client;
834
835 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
836 {
837         int isbmodel;
838         model_t *model;
839         prvm_edict_t *ed;
840         if (sententitiesconsideration[s->number] == sententitiesmark)
841                 return;
842         sententitiesconsideration[s->number] = sententitiesmark;
843         sv_writeentitiestoclient_totalentities++;
844
845         if (s->customizeentityforclient)
846         {
847                 prog->globals.server->self = s->number;
848                 prog->globals.server->other = sv_writeentitiestoclient_clentnum;
849                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
850                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
851                         return;
852         }
853
854         // never reject player
855         if (s->number != sv_writeentitiestoclient_clentnum)
856         {
857                 // check various rejection conditions
858                 if (s->nodrawtoclient == sv_writeentitiestoclient_clentnum)
859                         return;
860                 if (s->drawonlytoclient && s->drawonlytoclient != sv_writeentitiestoclient_clentnum)
861                         return;
862                 if (s->effects & EF_NODRAW)
863                         return;
864                 // LordHavoc: only send entities with a model or important effects
865                 if (!s->modelindex && s->specialvisibilityradius == 0)
866                         return;
867
868                 isbmodel = (model = sv.models[s->modelindex]) != NULL && model->name[0] == '*';
869                 // viewmodels don't have visibility checking
870                 if (s->viewmodelforclient)
871                 {
872                         if (s->viewmodelforclient != sv_writeentitiestoclient_clentnum)
873                                 return;
874                 }
875                 else if (s->tagentity)
876                 {
877                         // tag attached entities simply check their parent
878                         if (!sendentitiesindex[s->tagentity])
879                                 return;
880                         SV_MarkWriteEntityStateToClient(sendentitiesindex[s->tagentity]);
881                         if (sententities[s->tagentity] != sententitiesmark)
882                                 return;
883                 }
884                 // always send world submodels in newer protocols because they don't
885                 // generate much traffic (in old protocols they hog bandwidth)
886                 // but only if sv_cullentities_alwayssendbmodels is on
887                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
888                 {
889                         // entity has survived every check so far, check if visible
890                         ed = PRVM_EDICT_NUM(s->number);
891
892                         // if not touching a visible leaf
893                         if (sv_cullentities_pvs.integer && sv_writeentitiestoclient_pvsbytes)
894                         {
895                                 if (ed->priv.server->pvs_numclusters < 0)
896                                 {
897                                         // entity too big for clusters list
898                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv_writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
899                                         {
900                                                 sv_writeentitiestoclient_culled_pvs++;
901                                                 return;
902                                         }
903                                 }
904                                 else
905                                 {
906                                         int i;
907                                         // check cached clusters list
908                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
909                                                 if (CHECKPVSBIT(sv_writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
910                                                         break;
911                                         if (i == ed->priv.server->pvs_numclusters)
912                                         {
913                                                 sv_writeentitiestoclient_culled_pvs++;
914                                                 return;
915                                         }
916                                 }
917                         }
918
919                         // or not seen by random tracelines
920                         if (sv_cullentities_trace.integer && !isbmodel)
921                         {
922                                 int samples = s->specialvisibilityradius ? sv_cullentities_trace_samples_extra.integer : sv_cullentities_trace_samples.integer;
923                                 float enlarge = sv_cullentities_trace_enlarge.value;
924
925                                 qboolean visible = TRUE;
926
927                                 do
928                                 {
929                                         if(Mod_CanSeeBox_Trace(samples, enlarge, sv.worldmodel, sv_writeentitiestoclient_testeye, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
930                                                 break; // directly visible from the server's view
931
932                                         if(sv_cullentities_trace_prediction.integer)
933                                         {
934                                                 vec3_t predeye;
935
936                                                 // get player velocity
937                                                 float predtime = bound(0, host_client->ping, 0.2); // / 2
938                                                         // sorry, no wallhacking by high ping please, and at 200ms
939                                                         // ping a FPS is annoying to play anyway and a player is
940                                                         // likely to have changed his direction
941                                                 VectorMA(sv_writeentitiestoclient_testeye, predtime, host_client->edict->fields.server->velocity, predeye);
942                                                 if(sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, sv_writeentitiestoclient_testeye, predeye)) // must be able to go there...
943                                                 {
944                                                         if(Mod_CanSeeBox_Trace(samples, enlarge, sv.worldmodel, predeye, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
945                                                                 break; // directly visible from the predicted view
946                                                 }
947                                                 else
948                                                 {
949                                                         //Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
950                                                 }
951                                         }
952
953                                         // when we get here, we can't see the entity
954                                         visible = FALSE;
955                                 }
956                                 while(0);
957
958                                 if(visible)
959                                         sv_writeentitiestoclient_client->visibletime[s->number] = realtime + sv_cullentities_trace_delay.value;
960
961                                 if (realtime > sv_writeentitiestoclient_client->visibletime[s->number])
962                                 {
963                                         sv_writeentitiestoclient_culled_trace++;
964                                         return;
965                                 }
966                         }
967                 }
968         }
969
970         // this just marks it for sending
971         // FIXME: it would be more efficient to send here, but the entity
972         // compressor isn't that flexible
973         sv_writeentitiestoclient_visibleentities++;
974         sententities[s->number] = sententitiesmark;
975 }
976
977 entity_state_t sendstates[MAX_EDICTS];
978 extern int csqc_clientnum;
979
980 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int *stats)
981 {
982         int i, numsendstates;
983         entity_state_t *s;
984
985         // if there isn't enough space to accomplish anything, skip it
986         if (msg->cursize + 25 > msg->maxsize)
987                 return;
988
989         sv_writeentitiestoclient_client = client;
990
991         sv_writeentitiestoclient_culled_pvs = 0;
992         sv_writeentitiestoclient_culled_trace = 0;
993         sv_writeentitiestoclient_visibleentities = 0;
994         sv_writeentitiestoclient_totalentities = 0;
995
996 // find the client's PVS
997         // the real place being tested from
998         VectorAdd(clent->fields.server->origin, clent->fields.server->view_ofs, sv_writeentitiestoclient_testeye);
999         sv_writeentitiestoclient_pvsbytes = 0;
1000         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1001                 sv_writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv_writeentitiestoclient_testeye, 8, sv_writeentitiestoclient_pvs, sizeof(sv_writeentitiestoclient_pvs));
1002
1003         sv_writeentitiestoclient_clentnum = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1004         csqc_clientnum = sv_writeentitiestoclient_clentnum - 1;
1005
1006         sententitiesmark++;
1007
1008         for (i = 0;i < numsendentities;i++)
1009                 SV_MarkWriteEntityStateToClient(sendentities + i);
1010
1011         numsendstates = 0;
1012         for (i = 0;i < numsendentities;i++)
1013         {
1014                 if (sententities[sendentities[i].number] == sententitiesmark)
1015                 {
1016                         s = &sendstates[numsendstates++];
1017                         *s = sendentities[i];
1018                         if (s->exteriormodelforclient && s->exteriormodelforclient == sv_writeentitiestoclient_clentnum)
1019                                 s->flags |= RENDER_EXTERIORMODEL;
1020                 }
1021         }
1022
1023         if (sv_cullentities_stats.integer)
1024                 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);
1025
1026         EntityFrameCSQC_WriteFrame(msg, numsendstates, sendstates);
1027
1028         if (client->entitydatabase5)
1029                 EntityFrame5_WriteFrame(msg, client->entitydatabase5, numsendstates, sendstates, client - svs.clients + 1, stats, client->movesequence);
1030         else if (client->entitydatabase4)
1031                 EntityFrame4_WriteFrame(msg, client->entitydatabase4, numsendstates, sendstates);
1032         else if (client->entitydatabase)
1033                 EntityFrame_WriteFrame(msg, client->entitydatabase, numsendstates, sendstates, client - svs.clients + 1);
1034         else
1035                 EntityFrameQuake_WriteFrame(msg, numsendstates, sendstates);
1036 }
1037
1038 /*
1039 =============
1040 SV_CleanupEnts
1041
1042 =============
1043 */
1044 void SV_CleanupEnts (void)
1045 {
1046         int             e;
1047         prvm_edict_t    *ent;
1048
1049         ent = PRVM_NEXT_EDICT(prog->edicts);
1050         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1051                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1052 }
1053
1054 /*
1055 ==================
1056 SV_WriteClientdataToMessage
1057
1058 ==================
1059 */
1060 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1061 {
1062         int             bits;
1063         int             i;
1064         prvm_edict_t    *other;
1065         int             items;
1066         prvm_eval_t     *val;
1067         vec3_t  punchvector;
1068         int             viewzoom;
1069         const char *s;
1070
1071 //
1072 // send a damage message
1073 //
1074         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1075         {
1076                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1077                 MSG_WriteByte (msg, svc_damage);
1078                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1079                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1080                 for (i=0 ; i<3 ; i++)
1081                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1082
1083                 ent->fields.server->dmg_take = 0;
1084                 ent->fields.server->dmg_save = 0;
1085         }
1086
1087 //
1088 // send the current viewpos offset from the view entity
1089 //
1090         SV_SetIdealPitch ();            // how much to look up / down ideally
1091
1092 // a fixangle might get lost in a dropped packet.  Oh well.
1093         if ( ent->fields.server->fixangle )
1094         {
1095                 MSG_WriteByte (msg, svc_setangle);
1096                 for (i=0 ; i < 3 ; i++)
1097                         MSG_WriteAngle (msg, ent->fields.server->angles[i], sv.protocol);
1098                 ent->fields.server->fixangle = 0;
1099         }
1100
1101         // stuff the sigil bits into the high bits of items for sbar, or else
1102         // mix in items2
1103         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1104         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1105                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1106         else
1107                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1108
1109         VectorClear(punchvector);
1110         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1111                 VectorCopy(val->vector, punchvector);
1112
1113         // cache weapon model name and index in client struct to save time
1114         // (this search can be almost 1% of cpu time!)
1115         s = PRVM_GetString(ent->fields.server->weaponmodel);
1116         if (strcmp(s, client->weaponmodel))
1117         {
1118                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1119                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1120         }
1121
1122         viewzoom = 255;
1123         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1124                 viewzoom = (int)(val->_float * 255.0f);
1125         if (viewzoom == 0)
1126                 viewzoom = 255;
1127
1128         bits = 0;
1129
1130         if ((int)ent->fields.server->flags & FL_ONGROUND)
1131                 bits |= SU_ONGROUND;
1132         if (ent->fields.server->waterlevel >= 2)
1133                 bits |= SU_INWATER;
1134         if (ent->fields.server->idealpitch)
1135                 bits |= SU_IDEALPITCH;
1136
1137         for (i=0 ; i<3 ; i++)
1138         {
1139                 if (ent->fields.server->punchangle[i])
1140                         bits |= (SU_PUNCH1<<i);
1141                 if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE)
1142                         if (punchvector[i])
1143                                 bits |= (SU_PUNCHVEC1<<i);
1144                 if (ent->fields.server->velocity[i])
1145                         bits |= (SU_VELOCITY1<<i);
1146         }
1147
1148         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1149         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1150         stats[STAT_ITEMS] = items;
1151         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1152         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1153         stats[STAT_WEAPON] = client->weaponmodelindex;
1154         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1155         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1156         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1157         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1158         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1159         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1160         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1161         stats[STAT_VIEWZOOM] = viewzoom;
1162         stats[STAT_TOTALSECRETS] = prog->globals.server->total_secrets;
1163         stats[STAT_TOTALMONSTERS] = prog->globals.server->total_monsters;
1164         // the QC bumps these itself by sending svc_'s, so we have to keep them
1165         // zero or they'll be corrected by the engine
1166         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1167         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1168
1169         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)
1170         {
1171                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
1172                 bits |= SU_ITEMS;
1173                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
1174                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
1175                 bits |= SU_WEAPON;
1176                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
1177                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1178                         if (viewzoom != 255)
1179                                 bits |= SU_VIEWZOOM;
1180         }
1181
1182         if (bits >= 65536)
1183                 bits |= SU_EXTEND1;
1184         if (bits >= 16777216)
1185                 bits |= SU_EXTEND2;
1186
1187         // send the data
1188         MSG_WriteByte (msg, svc_clientdata);
1189         MSG_WriteShort (msg, bits);
1190         if (bits & SU_EXTEND1)
1191                 MSG_WriteByte(msg, bits >> 16);
1192         if (bits & SU_EXTEND2)
1193                 MSG_WriteByte(msg, bits >> 24);
1194
1195         if (bits & SU_VIEWHEIGHT)
1196                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
1197
1198         if (bits & SU_IDEALPITCH)
1199                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
1200
1201         for (i=0 ; i<3 ; i++)
1202         {
1203                 if (bits & (SU_PUNCH1<<i))
1204                 {
1205                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE)
1206                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
1207                         else
1208                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
1209                 }
1210                 if (bits & (SU_PUNCHVEC1<<i))
1211                 {
1212                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1213                                 MSG_WriteCoord16i(msg, punchvector[i]);
1214                         else
1215                                 MSG_WriteCoord32f(msg, punchvector[i]);
1216                 }
1217                 if (bits & (SU_VELOCITY1<<i))
1218                 {
1219                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1220                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
1221                         else
1222                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
1223                 }
1224         }
1225
1226         if (bits & SU_ITEMS)
1227                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
1228
1229         if (sv.protocol == PROTOCOL_DARKPLACES5)
1230         {
1231                 if (bits & SU_WEAPONFRAME)
1232                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
1233                 if (bits & SU_ARMOR)
1234                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
1235                 if (bits & SU_WEAPON)
1236                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
1237                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1238                 MSG_WriteShort (msg, stats[STAT_AMMO]);
1239                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
1240                 MSG_WriteShort (msg, stats[STAT_NAILS]);
1241                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
1242                 MSG_WriteShort (msg, stats[STAT_CELLS]);
1243                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
1244                 if (bits & SU_VIEWZOOM)
1245                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1246         }
1247         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)
1248         {
1249                 if (bits & SU_WEAPONFRAME)
1250                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
1251                 if (bits & SU_ARMOR)
1252                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
1253                 if (bits & SU_WEAPON)
1254                         MSG_WriteByte (msg, stats[STAT_WEAPON]);
1255                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1256                 MSG_WriteByte (msg, stats[STAT_AMMO]);
1257                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
1258                 MSG_WriteByte (msg, stats[STAT_NAILS]);
1259                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
1260                 MSG_WriteByte (msg, stats[STAT_CELLS]);
1261                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1262                 {
1263                         for (i = 0;i < 32;i++)
1264                                 if (stats[STAT_WEAPON] & (1<<i))
1265                                         break;
1266                         MSG_WriteByte (msg, i);
1267                 }
1268                 else
1269                         MSG_WriteByte (msg, stats[STAT_WEAPON]);
1270                 if (bits & SU_VIEWZOOM)
1271                 {
1272                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1273                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
1274                         else
1275                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1276                 }
1277         }
1278 }
1279
1280 /*
1281 =======================
1282 SV_SendClientDatagram
1283 =======================
1284 */
1285 static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE]; // FIXME?
1286 void SV_SendClientDatagram (client_t *client)
1287 {
1288         int rate, maxrate, maxsize, maxsize2, downloadsize;
1289         sizebuf_t msg;
1290         int stats[MAX_CL_STATS];
1291
1292         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
1293         {
1294                 // for good singleplayer, send huge packets
1295                 maxsize = sizeof(sv_sendclientdatagram_buf);
1296                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1297         }
1298         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)
1299         {
1300                 // no rate limiting support on older protocols because dp protocols
1301                 // 1-4 kick the client off if they overflow, and quake protocol shows
1302                 // less than the full entity set if rate limited
1303                 maxsize = 1400;
1304                 maxsize2 = 1400;
1305         }
1306         else
1307         {
1308                 // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
1309                 maxrate = max(NET_MINRATE, sv_maxrate.integer);
1310                 if (sv_maxrate.integer != maxrate)
1311                         Cvar_SetValueQuick(&sv_maxrate, maxrate);
1312
1313                 // this rate limiting does not understand sys_ticrate 0
1314                 // (but no one should be running that on a server!)
1315                 rate = bound(NET_MINRATE, client->rate, maxrate);
1316                 rate = (int)(rate * sys_ticrate.value);
1317                 maxsize = bound(50, rate, 1400);
1318                 maxsize2 = 1400;
1319         }
1320
1321         // while downloading, limit entity updates to half the packet
1322         // (any leftover space will be used for downloading)
1323         if (host_client->download_file)
1324                 maxsize /= 2;
1325
1326         msg.data = sv_sendclientdatagram_buf;
1327         msg.maxsize = maxsize;
1328         msg.cursize = 0;
1329
1330         if (host_client->spawned)
1331         {
1332                 MSG_WriteByte (&msg, svc_time);
1333                 MSG_WriteFloat (&msg, sv.time);
1334
1335                 // add the client specific data to the datagram
1336                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
1337                 VM_SV_WriteAutoSentStats (client, client->edict, &msg, stats);
1338                 SV_WriteEntitiesToClient (client, client->edict, &msg, stats);
1339
1340                 // expand packet size to allow effects to go over the rate limit
1341                 // (dropping them is FAR too ugly)
1342                 msg.maxsize = maxsize2;
1343
1344                 // copy the server datagram if there is space
1345                 // FIXME: put in delayed queue of effects to send
1346                 if (sv.datagram.cursize > 0 && msg.cursize + sv.datagram.cursize <= msg.maxsize)
1347                         SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
1348         }
1349         else if (realtime > client->keepalivetime)
1350         {
1351                 // the player isn't totally in the game yet
1352                 // send small keepalive messages if too much time has passed
1353                 msg.maxsize = maxsize2;
1354                 client->keepalivetime = realtime + 5;
1355                 MSG_WriteChar (&msg, svc_nop);
1356         }
1357
1358         msg.maxsize = maxsize2;
1359
1360         // if a download is active, see if there is room to fit some download data
1361         // in this packet
1362         downloadsize = maxsize * 2 - msg.cursize - 7;
1363         if (host_client->download_file && host_client->download_started && downloadsize > 0)
1364         {
1365                 fs_offset_t downloadstart;
1366                 unsigned char data[1400];
1367                 downloadstart = FS_Tell(host_client->download_file);
1368                 downloadsize = min(downloadsize, (int)sizeof(data));
1369                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
1370                 // note this sends empty messages if at the end of the file, which is
1371                 // necessary to keep the packet loss logic working
1372                 // (the last blocks may be lost and need to be re-sent, and that will
1373                 //  only occur if the client acks the empty end messages, revealing
1374                 //  a gap in the download progress, causing the last blocks to be
1375                 //  sent again)
1376                 MSG_WriteChar (&msg, svc_downloaddata);
1377                 MSG_WriteLong (&msg, downloadstart);
1378                 MSG_WriteShort (&msg, downloadsize);
1379                 if (downloadsize > 0)
1380                         SZ_Write (&msg, data, downloadsize);
1381         }
1382
1383 // send the datagram
1384         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol);
1385 }
1386
1387 /*
1388 =======================
1389 SV_UpdateToReliableMessages
1390 =======================
1391 */
1392 void SV_UpdateToReliableMessages (void)
1393 {
1394         int i, j;
1395         client_t *client;
1396         prvm_eval_t *val;
1397         const char *name;
1398         const char *model;
1399         const char *skin;
1400
1401 // check for changes to be sent over the reliable streams
1402         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1403         {
1404                 // update the host_client fields we care about according to the entity fields
1405                 host_client->edict = PRVM_EDICT_NUM(i+1);
1406
1407                 // DP_SV_CLIENTNAME
1408                 name = PRVM_GetString(host_client->edict->fields.server->netname);
1409                 if (name == NULL)
1410                         name = "";
1411                 // always point the string back at host_client->name to keep it safe
1412                 strlcpy (host_client->name, name, sizeof (host_client->name));
1413                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
1414                 if (strcmp(host_client->old_name, host_client->name))
1415                 {
1416                         if (host_client->spawned)
1417                                 SV_BroadcastPrintf("%s changed name to %s\n", host_client->old_name, host_client->name);
1418                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
1419                         // send notification to all clients
1420                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
1421                         MSG_WriteByte (&sv.reliable_datagram, i);
1422                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
1423                 }
1424
1425                 // DP_SV_CLIENTCOLORS
1426                 // this is always found (since it's added by the progs loader)
1427                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
1428                         host_client->colors = (int)val->_float;
1429                 if (host_client->old_colors != host_client->colors)
1430                 {
1431                         host_client->old_colors = host_client->colors;
1432                         // send notification to all clients
1433                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
1434                         MSG_WriteByte (&sv.reliable_datagram, i);
1435                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
1436                 }
1437
1438                 // NEXUIZ_PLAYERMODEL
1439                 if( prog->fieldoffsets.playermodel >= 0 ) {
1440                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
1441                         if (model == NULL)
1442                                 model = "";
1443                         // always point the string back at host_client->name to keep it safe
1444                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
1445                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
1446                 }
1447
1448                 // NEXUIZ_PLAYERSKIN
1449                 if( prog->fieldoffsets.playerskin >= 0 ) {
1450                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
1451                         if (skin == NULL)
1452                                 skin = "";
1453                         // always point the string back at host_client->name to keep it safe
1454                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
1455                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
1456                 }
1457
1458                 // frags
1459                 host_client->frags = (int)host_client->edict->fields.server->frags;
1460                 if (host_client->old_frags != host_client->frags)
1461                 {
1462                         host_client->old_frags = host_client->frags;
1463                         // send notification to all clients
1464                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
1465                         MSG_WriteByte (&sv.reliable_datagram, i);
1466                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
1467                 }
1468         }
1469
1470         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
1471                 if (client->netconnection)
1472                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
1473
1474         SZ_Clear (&sv.reliable_datagram);
1475 }
1476
1477
1478 /*
1479 =======================
1480 SV_SendClientMessages
1481 =======================
1482 */
1483 void SV_SendClientMessages (void)
1484 {
1485         int i, prepared = false;
1486
1487         if (sv.protocol == PROTOCOL_QUAKEWORLD)
1488                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
1489
1490 // update frags, names, etc
1491         SV_UpdateToReliableMessages();
1492
1493 // build individual updates
1494         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1495         {
1496                 if (!host_client->active)
1497                         continue;
1498                 if (!host_client->netconnection)
1499                         continue;
1500
1501                 if (host_client->netconnection->message.overflowed)
1502                 {
1503                         SV_DropClient (true);   // if the message couldn't send, kick off
1504                         continue;
1505                 }
1506
1507                 if (!prepared)
1508                 {
1509                         prepared = true;
1510                         // only prepare entities once per frame
1511                         SV_PrepareEntitiesForSending();
1512                 }
1513                 SV_SendClientDatagram (host_client);
1514         }
1515
1516 // clear muzzle flashes
1517         SV_CleanupEnts();
1518 }
1519
1520 void SV_StartDownload_f(void)
1521 {
1522         if (host_client->download_file)
1523                 host_client->download_started = true;
1524 }
1525
1526 void SV_Download_f(void)
1527 {
1528         const char *whichpack, *whichpack2, *extension;
1529
1530         if (Cmd_Argc() != 2)
1531         {
1532                 SV_ClientPrintf("usage: download <filename>\n");
1533                 return;
1534         }
1535
1536         if (FS_CheckNastyPath(Cmd_Argv(1), false))
1537         {
1538                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
1539                 return;
1540         }
1541
1542         if (host_client->download_file)
1543         {
1544                 // at this point we'll assume the previous download should be aborted
1545                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
1546                 Host_ClientCommands("\nstopdownload\n");
1547
1548                 // close the file and reset variables
1549                 FS_Close(host_client->download_file);
1550                 host_client->download_file = NULL;
1551                 host_client->download_name[0] = 0;
1552                 host_client->download_expectedposition = 0;
1553                 host_client->download_started = false;
1554         }
1555
1556         if (!sv_allowdownloads.integer)
1557         {
1558                 SV_ClientPrintf("Downloads are disabled on this server\n");
1559                 Host_ClientCommands("\nstopdownload\n");
1560                 return;
1561         }
1562
1563         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
1564         extension = FS_FileExtension(host_client->download_name);
1565
1566         // host_client is asking to download a specified file
1567         if (developer.integer >= 100)
1568                 Con_Printf("Download request for %s by %s\n", host_client->download_name, host_client->name);
1569
1570         if (!FS_FileExists(host_client->download_name))
1571         {
1572                 SV_ClientPrintf("Download rejected: server does not have the file \"%s\"\nYou may need to separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
1573                 Host_ClientCommands("\nstopdownload\n");
1574                 return;
1575         }
1576
1577         // check if the user is trying to download part of registered Quake(r)
1578         whichpack = FS_WhichPack(host_client->download_name);
1579         whichpack2 = FS_WhichPack("gfx/pop.lmp");
1580         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
1581         {
1582                 SV_ClientPrintf("Download rejected: file \"%s\" is part of registered Quake(r)\nYou must purchase Quake(r) from id Software or a retailer to get this file\nPlease go to http://www.idsoftware.com/games/quake/quake/index.php?game_section=buy\n", host_client->download_name);
1583                 Host_ClientCommands("\nstopdownload\n");
1584                 return;
1585         }
1586
1587         // check if the server has forbidden archive downloads entirely
1588         if (!sv_allowdownloads_inarchive.integer)
1589         {
1590                 whichpack = FS_WhichPack(host_client->download_name);
1591                 if (whichpack)
1592                 {
1593                         SV_ClientPrintf("Download rejected: file \"%s\" is in an archive (\"%s\")\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name, whichpack);
1594                         Host_ClientCommands("\nstopdownload\n");
1595                         return;
1596                 }
1597         }
1598
1599         if (!sv_allowdownloads_config.integer)
1600         {
1601                 if (!strcasecmp(extension, "cfg"))
1602                 {
1603                         SV_ClientPrintf("Download rejected: file \"%s\" is a .cfg file which is forbidden for security reasons\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
1604                         Host_ClientCommands("\nstopdownload\n");
1605                         return;
1606                 }
1607         }
1608
1609         if (!sv_allowdownloads_dlcache.integer)
1610         {
1611                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
1612                 {
1613                         SV_ClientPrintf("Download rejected: file \"%s\" is in the dlcache/ directory which is forbidden for security reasons\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
1614                         Host_ClientCommands("\nstopdownload\n");
1615                         return;
1616                 }
1617         }
1618
1619         if (!sv_allowdownloads_archive.integer)
1620         {
1621                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
1622                 {
1623                         SV_ClientPrintf("Download rejected: file \"%s\" is an archive\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
1624                         Host_ClientCommands("\nstopdownload\n");
1625                         return;
1626                 }
1627         }
1628
1629         host_client->download_file = FS_Open(host_client->download_name, "rb", true, false);
1630         if (!host_client->download_file)
1631         {
1632                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
1633                 Host_ClientCommands("\nstopdownload\n");
1634                 return;
1635         }
1636
1637         if (FS_FileSize(host_client->download_file) > 1<<30)
1638         {
1639                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
1640                 Host_ClientCommands("\nstopdownload\n");
1641                 FS_Close(host_client->download_file);
1642                 host_client->download_file = NULL;
1643                 return;
1644         }
1645
1646         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
1647
1648         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
1649
1650         host_client->download_expectedposition = 0;
1651         host_client->download_started = false;
1652
1653         // the rest of the download process is handled in SV_SendClientDatagram
1654         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
1655         //
1656         // no svc_downloaddata messages will be sent until sv_startdownload is
1657         // sent by the client
1658 }
1659
1660 /*
1661 ==============================================================================
1662
1663 SERVER SPAWNING
1664
1665 ==============================================================================
1666 */
1667
1668 /*
1669 ================
1670 SV_ModelIndex
1671
1672 ================
1673 */
1674 int SV_ModelIndex(const char *s, int precachemode)
1675 {
1676         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE) ? 256 : MAX_MODELS);
1677         char filename[MAX_QPATH];
1678         if (!s || !*s)
1679                 return 0;
1680         // testing
1681         //if (precachemode == 2)
1682         //      return 0;
1683         strlcpy(filename, s, sizeof(filename));
1684         for (i = 2;i < limit;i++)
1685         {
1686                 if (!sv.model_precache[i][0])
1687                 {
1688                         if (precachemode)
1689                         {
1690                                 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))
1691                                 {
1692                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
1693                                         return 0;
1694                                 }
1695                                 if (precachemode == 1)
1696                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
1697                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
1698                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, false);
1699                                 if (sv.state != ss_loading)
1700                                 {
1701                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
1702                                         MSG_WriteShort(&sv.reliable_datagram, i);
1703                                         MSG_WriteString(&sv.reliable_datagram, filename);
1704                                 }
1705                                 return i;
1706                         }
1707                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
1708                         return 0;
1709                 }
1710                 if (!strcmp(sv.model_precache[i], filename))
1711                         return i;
1712         }
1713         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
1714         return 0;
1715 }
1716
1717 /*
1718 ================
1719 SV_SoundIndex
1720
1721 ================
1722 */
1723 int SV_SoundIndex(const char *s, int precachemode)
1724 {
1725         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE) ? 256 : MAX_SOUNDS);
1726         char filename[MAX_QPATH];
1727         if (!s || !*s)
1728                 return 0;
1729         // testing
1730         //if (precachemode == 2)
1731         //      return 0;
1732         strlcpy(filename, s, sizeof(filename));
1733         for (i = 1;i < limit;i++)
1734         {
1735                 if (!sv.sound_precache[i][0])
1736                 {
1737                         if (precachemode)
1738                         {
1739                                 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))
1740                                 {
1741                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
1742                                         return 0;
1743                                 }
1744                                 if (precachemode == 1)
1745                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
1746                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
1747                                 if (sv.state != ss_loading)
1748                                 {
1749                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
1750                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
1751                                         MSG_WriteString(&sv.reliable_datagram, filename);
1752                                 }
1753                                 return i;
1754                         }
1755                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
1756                         return 0;
1757                 }
1758                 if (!strcmp(sv.sound_precache[i], filename))
1759                         return i;
1760         }
1761         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
1762         return 0;
1763 }
1764
1765 // MUST match effectnameindex_t in client.h
1766 static const char *standardeffectnames[EFFECT_TOTAL] =
1767 {
1768         "",
1769         "TE_GUNSHOT",
1770         "TE_GUNSHOTQUAD",
1771         "TE_SPIKE",
1772         "TE_SPIKEQUAD",
1773         "TE_SUPERSPIKE",
1774         "TE_SUPERSPIKEQUAD",
1775         "TE_WIZSPIKE",
1776         "TE_KNIGHTSPIKE",
1777         "TE_EXPLOSION",
1778         "TE_EXPLOSIONQUAD",
1779         "TE_TAREXPLOSION",
1780         "TE_TELEPORT",
1781         "TE_LAVASPLASH",
1782         "TE_SMALLFLASH",
1783         "TE_FLAMEJET",
1784         "EF_FLAME",
1785         "TE_BLOOD",
1786         "TE_SPARK",
1787         "TE_PLASMABURN",
1788         "TE_TEI_G3",
1789         "TE_TEI_SMOKE",
1790         "TE_TEI_BIGEXPLOSION",
1791         "TE_TEI_PLASMAHIT",
1792         "EF_STARDUST",
1793         "TR_ROCKET",
1794         "TR_GRENADE",
1795         "TR_BLOOD",
1796         "TR_WIZSPIKE",
1797         "TR_SLIGHTBLOOD",
1798         "TR_KNIGHTSPIKE",
1799         "TR_VORESPIKE",
1800         "TR_NEHAHRASMOKE",
1801         "TR_NEXUIZPLASMA",
1802         "TR_GLOWTRAIL",
1803         "SVC_PARTICLE"
1804 };
1805
1806 /*
1807 ================
1808 SV_ParticleEffectIndex
1809
1810 ================
1811 */
1812 int SV_ParticleEffectIndex(const char *name)
1813 {
1814         int i, argc, linenumber, effectnameindex;
1815         fs_offset_t filesize;
1816         unsigned char *filedata;
1817         const char *text, *textstart, *textend;
1818         char argv[16][1024];
1819         if (!sv.particleeffectnamesloaded)
1820         {
1821                 sv.particleeffectnamesloaded = true;
1822                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
1823                 for (i = 0;i < EFFECT_TOTAL;i++)
1824                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
1825                 filedata = FS_LoadFile("effectinfo.txt", tempmempool, true, &filesize);
1826                 if (filedata)
1827                 {
1828                         textstart = (const char *)filedata;
1829                         textend = (const char *)filedata + filesize;
1830                         text = textstart;
1831                         for (linenumber = 1;;linenumber++)
1832                         {
1833                                 argc = 0;
1834                                 for (;;)
1835                                 {
1836                                         if (!COM_ParseToken(&text, true) || !strcmp(com_token, "\n"))
1837                                                 break;
1838                                         if (argc < 16)
1839                                         {
1840                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
1841                                                 argc++;
1842                                         }
1843                                 }
1844                                 if (com_token[0] == 0)
1845                                         break; // if the loop exited and it's not a \n, it's EOF
1846                                 if (argc < 1)
1847                                         continue;
1848                                 if (!strcmp(argv[0], "effect"))
1849                                 {
1850                                         if (argc == 2)
1851                                         {
1852                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
1853                                                 {
1854                                                         if (sv.particleeffectname[effectnameindex][0])
1855                                                         {
1856                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
1857                                                                         break;
1858                                                         }
1859                                                         else
1860                                                         {
1861                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
1862                                                                 break;
1863                                                         }
1864                                                 }
1865                                                 // if we run out of names, abort
1866                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
1867                                                 {
1868                                                         Con_Printf("effectinfo.txt:%i: too many effects!\n", linenumber);
1869                                                         break;
1870                                                 }
1871                                         }
1872                                 }
1873                         }
1874                         Mem_Free(filedata);
1875                 }
1876         }
1877         // search for the name
1878         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
1879                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
1880                         return effectnameindex;
1881         // return 0 if we couldn't find it
1882         return 0;
1883 }
1884
1885 /*
1886 ================
1887 SV_CreateBaseline
1888
1889 ================
1890 */
1891 void SV_CreateBaseline (void)
1892 {
1893         int i, entnum, large;
1894         prvm_edict_t *svent;
1895
1896         // LordHavoc: clear *all* states (note just active ones)
1897         for (entnum = 0;entnum < prog->max_edicts;entnum++)
1898         {
1899                 // get the current server version
1900                 svent = PRVM_EDICT_NUM(entnum);
1901
1902                 // LordHavoc: always clear state values, whether the entity is in use or not
1903                 svent->priv.server->baseline = defaultstate;
1904
1905                 if (svent->priv.server->free)
1906                         continue;
1907                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
1908                         continue;
1909
1910                 // create entity baseline
1911                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
1912                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
1913                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
1914                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
1915                 if (entnum > 0 && entnum <= svs.maxclients)
1916                 {
1917                         svent->priv.server->baseline.colormap = entnum;
1918                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
1919                 }
1920                 else
1921                 {
1922                         svent->priv.server->baseline.colormap = 0;
1923                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
1924                 }
1925
1926                 large = false;
1927                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
1928                         large = true;
1929
1930                 // add to the message
1931                 if (large)
1932                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1933                 else
1934                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1935                 MSG_WriteShort (&sv.signon, entnum);
1936
1937                 if (large)
1938                 {
1939                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
1940                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
1941                 }
1942                 else
1943                 {
1944                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
1945                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
1946                 }
1947                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
1948                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
1949                 for (i=0 ; i<3 ; i++)
1950                 {
1951                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
1952                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
1953                 }
1954         }
1955 }
1956
1957
1958 /*
1959 ================
1960 SV_SaveSpawnparms
1961
1962 Grabs the current state of each client for saving across the
1963 transition to another level
1964 ================
1965 */
1966 void SV_SaveSpawnparms (void)
1967 {
1968         int             i, j;
1969
1970         svs.serverflags = (int)prog->globals.server->serverflags;
1971
1972         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1973         {
1974                 if (!host_client->active)
1975                         continue;
1976
1977         // call the progs to get default spawn parms for the new client
1978                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
1979                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
1980                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1981                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
1982         }
1983 }
1984 /*
1985 void SV_IncreaseEdicts(void)
1986 {
1987         int i;
1988         prvm_edict_t *ent;
1989         int oldmax_edicts = prog->max_edicts;
1990         void *oldedictsengineprivate = prog->edictprivate;
1991         void *oldedictsfields = prog->edictsfields;
1992         void *oldmoved_edicts = sv.moved_edicts;
1993
1994         if (prog->max_edicts >= MAX_EDICTS)
1995                 return;
1996
1997         // links don't survive the transition, so unlink everything
1998         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
1999         {
2000                 if (!ent->priv.server->free)
2001                         SV_UnlinkEdict(prog->edicts + i);
2002                 memset(&ent->priv.server->areagrid, 0, sizeof(ent->priv.server->areagrid));
2003         }
2004         World_Clear(&sv.world);
2005
2006         prog->max_edicts   = min(prog->max_edicts + 256, MAX_EDICTS);
2007         prog->edictprivate = PR_Alloc(prog->max_edicts * sizeof(edict_engineprivate_t));
2008         prog->edictsfields = PR_Alloc(prog->max_edicts * prog->edict_size);
2009         sv.moved_edicts = PR_Alloc(prog->max_edicts * sizeof(prvm_edict_t *));
2010
2011         memcpy(prog->edictprivate, oldedictsengineprivate, oldmax_edicts * sizeof(edict_engineprivate_t));
2012         memcpy(prog->edictsfields, oldedictsfields, oldmax_edicts * prog->edict_size);
2013
2014         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
2015         {
2016                 ent->priv.vp = (unsigned char*) prog->edictprivate + i * prog->edictprivate_size;
2017                 ent->fields.server = (void *)((unsigned char *)prog->edictsfields + i * prog->edict_size);
2018                 // link every entity except world
2019                 if (!ent->priv.server->free)
2020                         SV_LinkEdict(ent, false);
2021         }
2022
2023         PR_Free(oldedictsengineprivate);
2024         PR_Free(oldedictsfields);
2025         PR_Free(oldmoved_edicts);
2026 }*/
2027
2028 /*
2029 ================
2030 SV_SpawnServer
2031
2032 This is called at the start of each level
2033 ================
2034 */
2035 extern float            scr_centertime_off;
2036
2037 void SV_SpawnServer (const char *server)
2038 {
2039         prvm_edict_t *ent;
2040         int i;
2041         char *entities;
2042         model_t *worldmodel;
2043         char modelname[sizeof(sv.modelname)];
2044
2045         Con_DPrintf("SpawnServer: %s\n", server);
2046
2047         if (cls.state != ca_dedicated)
2048                 SCR_BeginLoadingPlaque();
2049
2050         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
2051         worldmodel = Mod_ForName(modelname, false, true, true);
2052         if (!worldmodel || !worldmodel->TraceBox)
2053         {
2054                 Con_Printf("Couldn't load map %s\n", modelname);
2055                 return;
2056         }
2057
2058         // let's not have any servers with no name
2059         if (hostname.string[0] == 0)
2060                 Cvar_Set ("hostname", "UNNAMED");
2061         scr_centertime_off = 0;
2062
2063         svs.changelevel_issued = false;         // now safe to issue another
2064
2065         // make the map a required file for clients
2066         Curl_ClearRequirements();
2067         Curl_RequireFile(modelname);
2068
2069 //
2070 // tell all connected clients that we are going to a new level
2071 //
2072         if (sv.active)
2073         {
2074                 client_t *client;
2075                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2076                 {
2077                         if (client->netconnection)
2078                         {
2079                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
2080                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
2081                         }
2082                 }
2083         }
2084         else
2085         {
2086                 // open server port
2087                 NetConn_OpenServerPorts(true);
2088         }
2089
2090 //
2091 // make cvars consistant
2092 //
2093         if (coop.integer)
2094                 Cvar_SetValue ("deathmatch", 0);
2095         // LordHavoc: it can be useful to have skills outside the range 0-3...
2096         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
2097         //Cvar_SetValue ("skill", (float)current_skill);
2098         current_skill = (int)(skill.value + 0.5);
2099
2100 //
2101 // set up the new server
2102 //
2103         memset (&sv, 0, sizeof(sv));
2104         // if running a local client, make sure it doesn't try to access the last
2105         // level's data which is no longer valiud
2106         cls.signon = 0;
2107
2108         if(*sv_random_seed.string)
2109         {
2110                 srand(sv_random_seed.integer);
2111                 Con_Printf("NOTE: random seed is %d; use for debugging/benchmarking only!\nUnset sv_random_seed to get real random numbers again.\n", sv_random_seed.integer);
2112         }
2113
2114         SV_VM_Setup();
2115
2116         sv.active = true;
2117
2118         strlcpy (sv.name, server, sizeof (sv.name));
2119
2120         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
2121         if (sv.protocol == PROTOCOL_UNKNOWN)
2122         {
2123                 char buffer[1024];
2124                 Protocol_Names(buffer, sizeof(buffer));
2125                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
2126                 sv.protocol = PROTOCOL_QUAKE;
2127         }
2128
2129         SV_VM_Begin();
2130
2131 // load progs to get entity field count
2132         //PR_LoadProgs ( sv_progs.string );
2133
2134         // allocate server memory
2135         /*// start out with just enough room for clients and a reasonable estimate of entities
2136         prog->max_edicts = max(svs.maxclients + 1, 512);
2137         prog->max_edicts = min(prog->max_edicts, MAX_EDICTS);
2138
2139         // prvm_edict_t structures (hidden from progs)
2140         prog->edicts = PR_Alloc(MAX_EDICTS * sizeof(prvm_edict_t));
2141         // engine private structures (hidden from progs)
2142         prog->edictprivate = PR_Alloc(prog->max_edicts * sizeof(edict_engineprivate_t));
2143         // progs fields, often accessed by server
2144         prog->edictsfields = PR_Alloc(prog->max_edicts * prog->edict_size);*/
2145         // used by PushMove to move back pushed entities
2146         sv.moved_edicts = (prvm_edict_t **)PRVM_Alloc(prog->max_edicts * sizeof(prvm_edict_t *));
2147         /*for (i = 0;i < prog->max_edicts;i++)
2148         {
2149                 ent = prog->edicts + i;
2150                 ent->priv.vp = (unsigned char*) prog->edictprivate + i * prog->edictprivate_size;
2151                 ent->fields.server = (void *)((unsigned char *)prog->edictsfields + i * prog->edict_size);
2152         }*/
2153
2154         // reset client csqc entity versions right away.
2155         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2156                 EntityFrameCSQC_InitClientVersions(i, true);
2157
2158         sv.datagram.maxsize = sizeof(sv.datagram_buf);
2159         sv.datagram.cursize = 0;
2160         sv.datagram.data = sv.datagram_buf;
2161
2162         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
2163         sv.reliable_datagram.cursize = 0;
2164         sv.reliable_datagram.data = sv.reliable_datagram_buf;
2165
2166         sv.signon.maxsize = sizeof(sv.signon_buf);
2167         sv.signon.cursize = 0;
2168         sv.signon.data = sv.signon_buf;
2169
2170 // leave slots at start for clients only
2171         //prog->num_edicts = svs.maxclients+1;
2172
2173         sv.state = ss_loading;
2174         prog->allowworldwrites = true;
2175         sv.paused = false;
2176
2177         prog->globals.server->time = sv.time = 1.0;
2178
2179         Mod_ClearUsed();
2180         worldmodel->used = true;
2181
2182         strlcpy (sv.name, server, sizeof (sv.name));
2183         strlcpy(sv.modelname, modelname, sizeof(sv.modelname));
2184         sv.worldmodel = worldmodel;
2185         sv.models[1] = sv.worldmodel;
2186
2187 //
2188 // clear world interaction links
2189 //
2190         VectorCopy(sv.worldmodel->normalmins, sv.world.areagrid_mins);
2191         VectorCopy(sv.worldmodel->normalmaxs, sv.world.areagrid_maxs);
2192         World_Clear(&sv.world);
2193
2194         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
2195
2196         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
2197         strlcpy(sv.model_precache[1], sv.modelname, sizeof(sv.model_precache[1]));
2198         for (i = 1;i < sv.worldmodel->brush.numsubmodels;i++)
2199         {
2200                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
2201                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, false);
2202         }
2203
2204 //
2205 // load the rest of the entities
2206 //
2207         // AK possible hack since num_edicts is still 0
2208         ent = PRVM_EDICT_NUM(0);
2209         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
2210         ent->priv.server->free = false;
2211         ent->fields.server->model = PRVM_SetEngineString(sv.modelname);
2212         ent->fields.server->modelindex = 1;             // world model
2213         ent->fields.server->solid = SOLID_BSP;
2214         ent->fields.server->movetype = MOVETYPE_PUSH;
2215         VectorCopy(sv.worldmodel->normalmins, ent->fields.server->mins);
2216         VectorCopy(sv.worldmodel->normalmaxs, ent->fields.server->maxs);
2217         VectorCopy(sv.worldmodel->normalmins, ent->fields.server->absmin);
2218         VectorCopy(sv.worldmodel->normalmaxs, ent->fields.server->absmax);
2219
2220         if (coop.value)
2221                 prog->globals.server->coop = coop.integer;
2222         else
2223                 prog->globals.server->deathmatch = deathmatch.integer;
2224
2225         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
2226
2227 // serverflags are for cross level information (sigils)
2228         prog->globals.server->serverflags = svs.serverflags;
2229
2230         // we need to reset the spawned flag on all connected clients here so that
2231         // their thinks don't run during startup (before PutClientInServer)
2232         // we also need to set up the client entities now
2233         // and we need to set the ->edict pointers to point into the progs edicts
2234         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2235         {
2236                 host_client->spawned = false;
2237                 host_client->edict = PRVM_EDICT_NUM(i + 1);
2238                 PRVM_ED_ClearEdict(host_client->edict);
2239         }
2240
2241         // load replacement entity file if found
2242         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true, NULL)))
2243         {
2244                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
2245                 PRVM_ED_LoadFromFile (entities);
2246                 Mem_Free(entities);
2247         }
2248         else
2249                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
2250
2251
2252         // LordHavoc: clear world angles (to fix e3m3.bsp)
2253         VectorClear(prog->edicts->fields.server->angles);
2254
2255 // all setup is completed, any further precache statements are errors
2256         sv.state = ss_active;
2257         prog->allowworldwrites = false;
2258
2259 // run two frames to allow everything to settle
2260         for (i = 0;i < 2;i++)
2261         {
2262                 sv.frametime = 0.1;
2263                 SV_Physics ();
2264         }
2265
2266         Mod_PurgeUnused();
2267
2268 // create a baseline for more efficient communications
2269         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE)
2270                 SV_CreateBaseline ();
2271
2272 // send serverinfo to all connected clients, and set up botclients coming back from a level change
2273         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2274         {
2275                 if (!host_client->active)
2276                         continue;
2277                 if (host_client->netconnection)
2278                         SV_SendServerinfo(host_client);
2279                 else
2280                 {
2281                         int j;
2282                         // if client is a botclient coming from a level change, we need to
2283                         // set up client info that normally requires networking
2284
2285                         // copy spawn parms out of the client_t
2286                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
2287                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
2288
2289                         // call the spawn function
2290                         host_client->clientconnectcalled = true;
2291                         prog->globals.server->time = sv.time;
2292                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
2293                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
2294                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
2295                         host_client->spawned = true;
2296                 }
2297         }
2298
2299         Con_DPrint("Server spawned.\n");
2300         NetConn_Heartbeat (2);
2301
2302         SV_VM_End();
2303 }
2304
2305 /////////////////////////////////////////////////////
2306 // SV VM stuff
2307
2308 void SV_VM_CB_BeginIncreaseEdicts(void)
2309 {
2310         int i;
2311         prvm_edict_t *ent;
2312
2313         PRVM_Free( sv.moved_edicts );
2314         sv.moved_edicts = (prvm_edict_t **)PRVM_Alloc(prog->max_edicts * sizeof(prvm_edict_t *));
2315
2316         // links don't survive the transition, so unlink everything
2317         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
2318         {
2319                 if (!ent->priv.server->free)
2320                         World_UnlinkEdict(prog->edicts + i);
2321                 memset(&ent->priv.server->areagrid, 0, sizeof(ent->priv.server->areagrid));
2322         }
2323         World_Clear(&sv.world);
2324 }
2325
2326 void SV_VM_CB_EndIncreaseEdicts(void)
2327 {
2328         int i;
2329         prvm_edict_t *ent;
2330
2331         // link every entity except world
2332         for (i = 1, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
2333                 if (!ent->priv.server->free)
2334                         SV_LinkEdict(ent, false);
2335 }
2336
2337 void SV_VM_CB_InitEdict(prvm_edict_t *e)
2338 {
2339         // LordHavoc: for consistency set these here
2340         int num = PRVM_NUM_FOR_EDICT(e) - 1;
2341
2342         e->priv.server->move = false; // don't move on first frame
2343
2344         if (num >= 0 && num < svs.maxclients)
2345         {
2346                 prvm_eval_t *val;
2347                 // set colormap and team on newly created player entity
2348                 e->fields.server->colormap = num + 1;
2349                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
2350                 // set netname/clientcolors back to client values so that
2351                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
2352                 // reset them
2353                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
2354                 if ((val = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.clientcolors)))
2355                         val->_float = svs.clients[num].colors;
2356                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
2357                 if( prog->fieldoffsets.playermodel >= 0 )
2358                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
2359                 if( prog->fieldoffsets.playerskin >= 0 )
2360                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
2361         }
2362 }
2363
2364 void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
2365 {
2366         World_UnlinkEdict(ed);          // unlink from world bsp
2367
2368         ed->fields.server->model = 0;
2369         ed->fields.server->takedamage = 0;
2370         ed->fields.server->modelindex = 0;
2371         ed->fields.server->colormap = 0;
2372         ed->fields.server->skin = 0;
2373         ed->fields.server->frame = 0;
2374         VectorClear(ed->fields.server->origin);
2375         VectorClear(ed->fields.server->angles);
2376         ed->fields.server->nextthink = -1;
2377         ed->fields.server->solid = 0;
2378 }
2379
2380 void SV_VM_CB_CountEdicts(void)
2381 {
2382         int             i;
2383         prvm_edict_t    *ent;
2384         int             active, models, solid, step;
2385
2386         active = models = solid = step = 0;
2387         for (i=0 ; i<prog->num_edicts ; i++)
2388         {
2389                 ent = PRVM_EDICT_NUM(i);
2390                 if (ent->priv.server->free)
2391                         continue;
2392                 active++;
2393                 if (ent->fields.server->solid)
2394                         solid++;
2395                 if (ent->fields.server->model)
2396                         models++;
2397                 if (ent->fields.server->movetype == MOVETYPE_STEP)
2398                         step++;
2399         }
2400
2401         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
2402         Con_Printf("active    :%3i\n", active);
2403         Con_Printf("view      :%3i\n", models);
2404         Con_Printf("touch     :%3i\n", solid);
2405         Con_Printf("step      :%3i\n", step);
2406 }
2407
2408 qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
2409 {
2410         // remove things from different skill levels or deathmatch
2411         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
2412         {
2413                 if (deathmatch.integer)
2414                 {
2415                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
2416                         {
2417                                 return false;
2418                         }
2419                 }
2420                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
2421                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
2422                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
2423                 {
2424                         return false;
2425                 }
2426         }
2427         return true;
2428 }
2429
2430 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)"};
2431 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
2432 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
2433 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
2434 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
2435 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
2436 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
2437 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2438 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2439 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2440 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2441 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2442 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
2443 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
2444 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
2445 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
2446 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
2447 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
2448 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
2449 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
2450 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
2451 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
2452 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
2453 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
2454 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
2455 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
2456 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
2457 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
2458 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
2459 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
2460 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
2461 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
2462 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
2463
2464 void SV_VM_Init(void)
2465 {
2466         Cvar_RegisterVariable (&pr_checkextension);
2467         Cvar_RegisterVariable (&nomonsters);
2468         Cvar_RegisterVariable (&gamecfg);
2469         Cvar_RegisterVariable (&scratch1);
2470         Cvar_RegisterVariable (&scratch2);
2471         Cvar_RegisterVariable (&scratch3);
2472         Cvar_RegisterVariable (&scratch4);
2473         Cvar_RegisterVariable (&savedgamecfg);
2474         Cvar_RegisterVariable (&saved1);
2475         Cvar_RegisterVariable (&saved2);
2476         Cvar_RegisterVariable (&saved3);
2477         Cvar_RegisterVariable (&saved4);
2478         // LordHavoc: Nehahra uses these to pass data around cutscene demos
2479         if (gamemode == GAME_NEHAHRA)
2480         {
2481                 Cvar_RegisterVariable (&nehx00);
2482                 Cvar_RegisterVariable (&nehx01);
2483                 Cvar_RegisterVariable (&nehx02);
2484                 Cvar_RegisterVariable (&nehx03);
2485                 Cvar_RegisterVariable (&nehx04);
2486                 Cvar_RegisterVariable (&nehx05);
2487                 Cvar_RegisterVariable (&nehx06);
2488                 Cvar_RegisterVariable (&nehx07);
2489                 Cvar_RegisterVariable (&nehx08);
2490                 Cvar_RegisterVariable (&nehx09);
2491                 Cvar_RegisterVariable (&nehx10);
2492                 Cvar_RegisterVariable (&nehx11);
2493                 Cvar_RegisterVariable (&nehx12);
2494                 Cvar_RegisterVariable (&nehx13);
2495                 Cvar_RegisterVariable (&nehx14);
2496                 Cvar_RegisterVariable (&nehx15);
2497                 Cvar_RegisterVariable (&nehx16);
2498                 Cvar_RegisterVariable (&nehx17);
2499                 Cvar_RegisterVariable (&nehx18);
2500                 Cvar_RegisterVariable (&nehx19);
2501         }
2502         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
2503 }
2504
2505 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
2506
2507 prvm_required_field_t reqfields[] =
2508 {
2509         {ev_entity, "cursor_trace_ent"},
2510         {ev_entity, "drawonlytoclient"},
2511         {ev_entity, "exteriormodeltoclient"},
2512         {ev_entity, "nodrawtoclient"},
2513         {ev_entity, "tag_entity"},
2514         {ev_entity, "viewmodelforclient"},
2515         {ev_float, "alpha"},
2516         {ev_float, "ammo_cells1"},
2517         {ev_float, "ammo_lava_nails"},
2518         {ev_float, "ammo_multi_rockets"},
2519         {ev_float, "ammo_nails1"},
2520         {ev_float, "ammo_plasma"},
2521         {ev_float, "ammo_rockets1"},
2522         {ev_float, "ammo_shells1"},
2523         {ev_float, "button3"},
2524         {ev_float, "button4"},
2525         {ev_float, "button5"},
2526         {ev_float, "button6"},
2527         {ev_float, "button7"},
2528         {ev_float, "button8"},
2529         {ev_float, "button9"},
2530         {ev_float, "button10"},
2531         {ev_float, "button11"},
2532         {ev_float, "button12"},
2533         {ev_float, "button13"},
2534         {ev_float, "button14"},
2535         {ev_float, "button15"},
2536         {ev_float, "button16"},
2537         {ev_float, "buttonchat"},
2538         {ev_float, "buttonuse"},
2539         {ev_float, "clientcolors"},
2540         {ev_float, "cursor_active"},
2541         {ev_float, "fullbright"},
2542         {ev_float, "glow_color"},
2543         {ev_float, "glow_size"},
2544         {ev_float, "glow_trail"},
2545         {ev_float, "gravity"},
2546         {ev_float, "idealpitch"},
2547         {ev_float, "items2"},
2548         {ev_float, "light_lev"},
2549         {ev_float, "pflags"},
2550         {ev_float, "ping"},
2551         {ev_float, "pitch_speed"},
2552         {ev_float, "pmodel"},
2553         {ev_float, "renderamt"}, // HalfLife support
2554         {ev_float, "rendermode"}, // HalfLife support
2555         {ev_float, "scale"},
2556         {ev_float, "style"},
2557         {ev_float, "tag_index"},
2558         {ev_float, "Version"},
2559         {ev_float, "viewzoom"},
2560         {ev_vector, "color"},
2561         {ev_vector, "colormod"},
2562         {ev_vector, "cursor_screen"},
2563         {ev_vector, "cursor_trace_endpos"},
2564         {ev_vector, "cursor_trace_start"},
2565         {ev_vector, "movement"},
2566         {ev_vector, "punchvector"},
2567         {ev_string, "playermodel"},
2568         {ev_string, "playerskin"},
2569         {ev_function, "SendEntity"},
2570         {ev_function, "customizeentityforclient"},
2571         // DRESK - Support for Entity Contents Transition Event
2572         {ev_function, "contentstransition"},
2573 };
2574
2575 void SV_VM_Setup(void)
2576 {
2577         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
2578         extern cvar_t csqc_progcrc;
2579         extern cvar_t csqc_progsize;
2580         size_t csprogsdatasize;
2581         PRVM_Begin;
2582         PRVM_InitProg( PRVM_SERVERPROG );
2583
2584         // allocate the mempools
2585         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
2586         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
2587         prog->builtins = vm_sv_builtins;
2588         prog->numbuiltins = vm_sv_numbuiltins;
2589         prog->headercrc = PROGHEADER_CRC;
2590         prog->max_edicts = 512;
2591         prog->limit_edicts = MAX_EDICTS;
2592         prog->reserved_edicts = svs.maxclients;
2593         prog->edictprivate_size = sizeof(edict_engineprivate_t);
2594         prog->name = "server";
2595         prog->extensionstring = vm_sv_extensions;
2596         prog->loadintoworld = true;
2597
2598         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
2599         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
2600         prog->init_edict = SV_VM_CB_InitEdict;
2601         prog->free_edict = SV_VM_CB_FreeEdict;
2602         prog->count_edicts = SV_VM_CB_CountEdicts;
2603         prog->load_edict = SV_VM_CB_LoadEdict;
2604         prog->init_cmd = VM_SV_Cmd_Init;
2605         prog->reset_cmd = VM_SV_Cmd_Reset;
2606         prog->error_cmd = Host_Error;
2607
2608         // TODO: add a requiredfuncs list (ask LH if this is necessary at all)
2609         PRVM_LoadProgs( sv_progs.string, 0, NULL, REQFIELDS, reqfields, 0, NULL );
2610
2611         // some mods compiled with scrambling compilers lack certain critical
2612         // global names and field names such as "self" and "time" and "nextthink"
2613         // so we have to set these offsets manually, matching the entvars_t
2614         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
2615         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
2616         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
2617         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
2618         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
2619         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
2620         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
2621         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
2622         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
2623         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
2624         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
2625         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
2626         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
2627         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
2628         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
2629         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
2630         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
2631         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
2632         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
2633         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
2634         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
2635         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
2636         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
2637         // OP_STATE is always supported on server (due to entvars_t)
2638         prog->flag |= PRVM_OP_STATE;
2639
2640         VM_AutoSentStats_Clear();//[515]: csqc
2641         EntityFrameCSQC_ClearVersions();//[515]: csqc
2642
2643         PRVM_End;
2644
2645         // see if there is a csprogs.dat installed, and if so, set the csqc_progcrc accordingly, this will be sent to connecting clients to tell them to only load a matching csprogs.dat file
2646         sv.csqc_progname[0] = 0;
2647         sv.csqc_progcrc = FS_CRCFile(csqc_progname.string, &csprogsdatasize);
2648         sv.csqc_progsize = csprogsdatasize;
2649         if (sv.csqc_progsize > 0)
2650         {
2651                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
2652                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
2653         }
2654 }
2655
2656 void SV_VM_Begin(void)
2657 {
2658         PRVM_Begin;
2659         PRVM_SetProg( PRVM_SERVERPROG );
2660
2661         prog->globals.server->time = (float) sv.time;
2662 }
2663
2664 void SV_VM_End(void)
2665 {
2666         PRVM_End;
2667 }