changed entity networking prioritization code to use the center of the model rather...
[xonotic/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_clent;
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         csqc_clent = sv_writeentitiestoclient_clentnum = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1004
1005         sententitiesmark++;
1006
1007         for (i = 0;i < numsendentities;i++)
1008                 SV_MarkWriteEntityStateToClient(sendentities + i);
1009
1010         numsendstates = 0;
1011         for (i = 0;i < numsendentities;i++)
1012         {
1013                 if (sententities[sendentities[i].number] == sententitiesmark)
1014                 {
1015                         s = &sendstates[numsendstates++];
1016                         *s = sendentities[i];
1017                         if (s->exteriormodelforclient && s->exteriormodelforclient == sv_writeentitiestoclient_clentnum)
1018                                 s->flags |= RENDER_EXTERIORMODEL;
1019                 }
1020         }
1021
1022         if (sv_cullentities_stats.integer)
1023                 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);
1024
1025         EntityFrameCSQC_WriteFrame(msg, numsendstates, sendstates);
1026
1027         if (client->entitydatabase5)
1028                 EntityFrame5_WriteFrame(msg, client->entitydatabase5, numsendstates, sendstates, client - svs.clients + 1, stats, client->movesequence);
1029         else if (client->entitydatabase4)
1030                 EntityFrame4_WriteFrame(msg, client->entitydatabase4, numsendstates, sendstates);
1031         else if (client->entitydatabase)
1032                 EntityFrame_WriteFrame(msg, client->entitydatabase, numsendstates, sendstates, client - svs.clients + 1);
1033         else
1034                 EntityFrameQuake_WriteFrame(msg, numsendstates, sendstates);
1035 }
1036
1037 /*
1038 =============
1039 SV_CleanupEnts
1040
1041 =============
1042 */
1043 void SV_CleanupEnts (void)
1044 {
1045         int             e;
1046         prvm_edict_t    *ent;
1047
1048         ent = PRVM_NEXT_EDICT(prog->edicts);
1049         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1050                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1051 }
1052
1053 /*
1054 ==================
1055 SV_WriteClientdataToMessage
1056
1057 ==================
1058 */
1059 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1060 {
1061         int             bits;
1062         int             i;
1063         prvm_edict_t    *other;
1064         int             items;
1065         prvm_eval_t     *val;
1066         vec3_t  punchvector;
1067         int             viewzoom;
1068         const char *s;
1069
1070 //
1071 // send a damage message
1072 //
1073         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1074         {
1075                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1076                 MSG_WriteByte (msg, svc_damage);
1077                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1078                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1079                 for (i=0 ; i<3 ; i++)
1080                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1081
1082                 ent->fields.server->dmg_take = 0;
1083                 ent->fields.server->dmg_save = 0;
1084         }
1085
1086 //
1087 // send the current viewpos offset from the view entity
1088 //
1089         SV_SetIdealPitch ();            // how much to look up / down ideally
1090
1091 // a fixangle might get lost in a dropped packet.  Oh well.
1092         if ( ent->fields.server->fixangle )
1093         {
1094                 MSG_WriteByte (msg, svc_setangle);
1095                 for (i=0 ; i < 3 ; i++)
1096                         MSG_WriteAngle (msg, ent->fields.server->angles[i], sv.protocol);
1097                 ent->fields.server->fixangle = 0;
1098         }
1099
1100         // stuff the sigil bits into the high bits of items for sbar, or else
1101         // mix in items2
1102         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1103         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1104                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1105         else
1106                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1107
1108         VectorClear(punchvector);
1109         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1110                 VectorCopy(val->vector, punchvector);
1111
1112         // cache weapon model name and index in client struct to save time
1113         // (this search can be almost 1% of cpu time!)
1114         s = PRVM_GetString(ent->fields.server->weaponmodel);
1115         if (strcmp(s, client->weaponmodel))
1116         {
1117                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1118                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1119         }
1120
1121         viewzoom = 255;
1122         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1123                 viewzoom = (int)(val->_float * 255.0f);
1124         if (viewzoom == 0)
1125                 viewzoom = 255;
1126
1127         bits = 0;
1128
1129         if ((int)ent->fields.server->flags & FL_ONGROUND)
1130                 bits |= SU_ONGROUND;
1131         if (ent->fields.server->waterlevel >= 2)
1132                 bits |= SU_INWATER;
1133         if (ent->fields.server->idealpitch)
1134                 bits |= SU_IDEALPITCH;
1135
1136         for (i=0 ; i<3 ; i++)
1137         {
1138                 if (ent->fields.server->punchangle[i])
1139                         bits |= (SU_PUNCH1<<i);
1140                 if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE)
1141                         if (punchvector[i])
1142                                 bits |= (SU_PUNCHVEC1<<i);
1143                 if (ent->fields.server->velocity[i])
1144                         bits |= (SU_VELOCITY1<<i);
1145         }
1146
1147         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1148         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1149         stats[STAT_ITEMS] = items;
1150         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1151         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1152         stats[STAT_WEAPON] = client->weaponmodelindex;
1153         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1154         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1155         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1156         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1157         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1158         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1159         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1160         stats[STAT_VIEWZOOM] = viewzoom;
1161         stats[STAT_TOTALSECRETS] = prog->globals.server->total_secrets;
1162         stats[STAT_TOTALMONSTERS] = prog->globals.server->total_monsters;
1163         // the QC bumps these itself by sending svc_'s, so we have to keep them
1164         // zero or they'll be corrected by the engine
1165         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1166         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1167
1168         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)
1169         {
1170                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
1171                 bits |= SU_ITEMS;
1172                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
1173                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
1174                 bits |= SU_WEAPON;
1175                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
1176                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1177                         if (viewzoom != 255)
1178                                 bits |= SU_VIEWZOOM;
1179         }
1180
1181         if (bits >= 65536)
1182                 bits |= SU_EXTEND1;
1183         if (bits >= 16777216)
1184                 bits |= SU_EXTEND2;
1185
1186         // send the data
1187         MSG_WriteByte (msg, svc_clientdata);
1188         MSG_WriteShort (msg, bits);
1189         if (bits & SU_EXTEND1)
1190                 MSG_WriteByte(msg, bits >> 16);
1191         if (bits & SU_EXTEND2)
1192                 MSG_WriteByte(msg, bits >> 24);
1193
1194         if (bits & SU_VIEWHEIGHT)
1195                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
1196
1197         if (bits & SU_IDEALPITCH)
1198                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
1199
1200         for (i=0 ; i<3 ; i++)
1201         {
1202                 if (bits & (SU_PUNCH1<<i))
1203                 {
1204                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE)
1205                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
1206                         else
1207                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
1208                 }
1209                 if (bits & (SU_PUNCHVEC1<<i))
1210                 {
1211                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1212                                 MSG_WriteCoord16i(msg, punchvector[i]);
1213                         else
1214                                 MSG_WriteCoord32f(msg, punchvector[i]);
1215                 }
1216                 if (bits & (SU_VELOCITY1<<i))
1217                 {
1218                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1219                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
1220                         else
1221                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
1222                 }
1223         }
1224
1225         if (bits & SU_ITEMS)
1226                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
1227
1228         if (sv.protocol == PROTOCOL_DARKPLACES5)
1229         {
1230                 if (bits & SU_WEAPONFRAME)
1231                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
1232                 if (bits & SU_ARMOR)
1233                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
1234                 if (bits & SU_WEAPON)
1235                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
1236                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1237                 MSG_WriteShort (msg, stats[STAT_AMMO]);
1238                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
1239                 MSG_WriteShort (msg, stats[STAT_NAILS]);
1240                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
1241                 MSG_WriteShort (msg, stats[STAT_CELLS]);
1242                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
1243                 if (bits & SU_VIEWZOOM)
1244                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1245         }
1246         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)
1247         {
1248                 if (bits & SU_WEAPONFRAME)
1249                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
1250                 if (bits & SU_ARMOR)
1251                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
1252                 if (bits & SU_WEAPON)
1253                         MSG_WriteByte (msg, stats[STAT_WEAPON]);
1254                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1255                 MSG_WriteByte (msg, stats[STAT_AMMO]);
1256                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
1257                 MSG_WriteByte (msg, stats[STAT_NAILS]);
1258                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
1259                 MSG_WriteByte (msg, stats[STAT_CELLS]);
1260                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1261                 {
1262                         for (i = 0;i < 32;i++)
1263                                 if (stats[STAT_WEAPON] & (1<<i))
1264                                         break;
1265                         MSG_WriteByte (msg, i);
1266                 }
1267                 else
1268                         MSG_WriteByte (msg, stats[STAT_WEAPON]);
1269                 if (bits & SU_VIEWZOOM)
1270                 {
1271                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1272                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
1273                         else
1274                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1275                 }
1276         }
1277 }
1278
1279 /*
1280 =======================
1281 SV_SendClientDatagram
1282 =======================
1283 */
1284 static unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE]; // FIXME?
1285 void SV_SendClientDatagram (client_t *client)
1286 {
1287         int rate, maxrate, maxsize, maxsize2, downloadsize;
1288         sizebuf_t msg;
1289         int stats[MAX_CL_STATS];
1290
1291         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
1292         {
1293                 // for good singleplayer, send huge packets
1294                 maxsize = sizeof(sv_sendclientdatagram_buf);
1295                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1296         }
1297         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)
1298         {
1299                 // no rate limiting support on older protocols because dp protocols
1300                 // 1-4 kick the client off if they overflow, and quake protocol shows
1301                 // less than the full entity set if rate limited
1302                 maxsize = 1400;
1303                 maxsize2 = 1400;
1304         }
1305         else
1306         {
1307                 // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
1308                 maxrate = max(NET_MINRATE, sv_maxrate.integer);
1309                 if (sv_maxrate.integer != maxrate)
1310                         Cvar_SetValueQuick(&sv_maxrate, maxrate);
1311
1312                 // this rate limiting does not understand sys_ticrate 0
1313                 // (but no one should be running that on a server!)
1314                 rate = bound(NET_MINRATE, client->rate, maxrate);
1315                 rate = (int)(rate * sys_ticrate.value);
1316                 maxsize = bound(50, rate, 1400);
1317                 maxsize2 = 1400;
1318         }
1319
1320         // while downloading, limit entity updates to half the packet
1321         // (any leftover space will be used for downloading)
1322         if (host_client->download_file)
1323                 maxsize /= 2;
1324
1325         msg.data = sv_sendclientdatagram_buf;
1326         msg.maxsize = maxsize;
1327         msg.cursize = 0;
1328
1329         if (host_client->spawned)
1330         {
1331                 MSG_WriteByte (&msg, svc_time);
1332                 MSG_WriteFloat (&msg, sv.time);
1333
1334                 // add the client specific data to the datagram
1335                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
1336                 VM_SV_WriteAutoSentStats (client, client->edict, &msg, stats);
1337                 SV_WriteEntitiesToClient (client, client->edict, &msg, stats);
1338
1339                 // expand packet size to allow effects to go over the rate limit
1340                 // (dropping them is FAR too ugly)
1341                 msg.maxsize = maxsize2;
1342
1343                 // copy the server datagram if there is space
1344                 // FIXME: put in delayed queue of effects to send
1345                 if (sv.datagram.cursize > 0 && msg.cursize + sv.datagram.cursize <= msg.maxsize)
1346                         SZ_Write (&msg, sv.datagram.data, sv.datagram.cursize);
1347         }
1348         else if (realtime > client->keepalivetime)
1349         {
1350                 // the player isn't totally in the game yet
1351                 // send small keepalive messages if too much time has passed
1352                 msg.maxsize = maxsize2;
1353                 client->keepalivetime = realtime + 5;
1354                 MSG_WriteChar (&msg, svc_nop);
1355         }
1356
1357         msg.maxsize = maxsize2;
1358
1359         // if a download is active, see if there is room to fit some download data
1360         // in this packet
1361         downloadsize = maxsize * 2 - msg.cursize - 7;
1362         if (host_client->download_file && host_client->download_started && downloadsize > 0)
1363         {
1364                 fs_offset_t downloadstart;
1365                 unsigned char data[1400];
1366                 downloadstart = FS_Tell(host_client->download_file);
1367                 downloadsize = min(downloadsize, (int)sizeof(data));
1368                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
1369                 // note this sends empty messages if at the end of the file, which is
1370                 // necessary to keep the packet loss logic working
1371                 // (the last blocks may be lost and need to be re-sent, and that will
1372                 //  only occur if the client acks the empty end messages, revealing
1373                 //  a gap in the download progress, causing the last blocks to be
1374                 //  sent again)
1375                 MSG_WriteChar (&msg, svc_downloaddata);
1376                 MSG_WriteLong (&msg, downloadstart);
1377                 MSG_WriteShort (&msg, downloadsize);
1378                 if (downloadsize > 0)
1379                         SZ_Write (&msg, data, downloadsize);
1380         }
1381
1382 // send the datagram
1383         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol);
1384 }
1385
1386 /*
1387 =======================
1388 SV_UpdateToReliableMessages
1389 =======================
1390 */
1391 void SV_UpdateToReliableMessages (void)
1392 {
1393         int i, j;
1394         client_t *client;
1395         prvm_eval_t *val;
1396         const char *name;
1397         const char *model;
1398         const char *skin;
1399
1400 // check for changes to be sent over the reliable streams
1401         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1402         {
1403                 // update the host_client fields we care about according to the entity fields
1404                 host_client->edict = PRVM_EDICT_NUM(i+1);
1405
1406                 // DP_SV_CLIENTNAME
1407                 name = PRVM_GetString(host_client->edict->fields.server->netname);
1408                 if (name == NULL)
1409                         name = "";
1410                 // always point the string back at host_client->name to keep it safe
1411                 strlcpy (host_client->name, name, sizeof (host_client->name));
1412                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
1413                 if (strcmp(host_client->old_name, host_client->name))
1414                 {
1415                         if (host_client->spawned)
1416                                 SV_BroadcastPrintf("%s changed name to %s\n", host_client->old_name, host_client->name);
1417                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
1418                         // send notification to all clients
1419                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
1420                         MSG_WriteByte (&sv.reliable_datagram, i);
1421                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
1422                 }
1423
1424                 // DP_SV_CLIENTCOLORS
1425                 // this is always found (since it's added by the progs loader)
1426                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
1427                         host_client->colors = (int)val->_float;
1428                 if (host_client->old_colors != host_client->colors)
1429                 {
1430                         host_client->old_colors = host_client->colors;
1431                         // send notification to all clients
1432                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
1433                         MSG_WriteByte (&sv.reliable_datagram, i);
1434                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
1435                 }
1436
1437                 // NEXUIZ_PLAYERMODEL
1438                 if( prog->fieldoffsets.playermodel >= 0 ) {
1439                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
1440                         if (model == NULL)
1441                                 model = "";
1442                         // always point the string back at host_client->name to keep it safe
1443                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
1444                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
1445                 }
1446
1447                 // NEXUIZ_PLAYERSKIN
1448                 if( prog->fieldoffsets.playerskin >= 0 ) {
1449                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
1450                         if (skin == NULL)
1451                                 skin = "";
1452                         // always point the string back at host_client->name to keep it safe
1453                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
1454                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
1455                 }
1456
1457                 // frags
1458                 host_client->frags = (int)host_client->edict->fields.server->frags;
1459                 if (host_client->old_frags != host_client->frags)
1460                 {
1461                         host_client->old_frags = host_client->frags;
1462                         // send notification to all clients
1463                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
1464                         MSG_WriteByte (&sv.reliable_datagram, i);
1465                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
1466                 }
1467         }
1468
1469         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
1470                 if (client->netconnection)
1471                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
1472
1473         SZ_Clear (&sv.reliable_datagram);
1474 }
1475
1476
1477 /*
1478 =======================
1479 SV_SendClientMessages
1480 =======================
1481 */
1482 void SV_SendClientMessages (void)
1483 {
1484         int i, prepared = false;
1485
1486         if (sv.protocol == PROTOCOL_QUAKEWORLD)
1487                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
1488
1489 // update frags, names, etc
1490         SV_UpdateToReliableMessages();
1491
1492 // build individual updates
1493         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1494         {
1495                 if (!host_client->active)
1496                         continue;
1497                 if (!host_client->netconnection)
1498                         continue;
1499
1500                 if (host_client->netconnection->message.overflowed)
1501                 {
1502                         SV_DropClient (true);   // if the message couldn't send, kick off
1503                         continue;
1504                 }
1505
1506                 if (!prepared)
1507                 {
1508                         prepared = true;
1509                         // only prepare entities once per frame
1510                         SV_PrepareEntitiesForSending();
1511                 }
1512                 SV_SendClientDatagram (host_client);
1513         }
1514
1515 // clear muzzle flashes
1516         SV_CleanupEnts();
1517 }
1518
1519 void SV_StartDownload_f(void)
1520 {
1521         if (host_client->download_file)
1522                 host_client->download_started = true;
1523 }
1524
1525 void SV_Download_f(void)
1526 {
1527         const char *whichpack, *whichpack2, *extension;
1528
1529         if (Cmd_Argc() != 2)
1530         {
1531                 SV_ClientPrintf("usage: download <filename>\n");
1532                 return;
1533         }
1534
1535         if (FS_CheckNastyPath(Cmd_Argv(1), false))
1536         {
1537                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
1538                 return;
1539         }
1540
1541         if (host_client->download_file)
1542         {
1543                 // at this point we'll assume the previous download should be aborted
1544                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
1545                 Host_ClientCommands("\nstopdownload\n");
1546
1547                 // close the file and reset variables
1548                 FS_Close(host_client->download_file);
1549                 host_client->download_file = NULL;
1550                 host_client->download_name[0] = 0;
1551                 host_client->download_expectedposition = 0;
1552                 host_client->download_started = false;
1553         }
1554
1555         if (!sv_allowdownloads.integer)
1556         {
1557                 SV_ClientPrintf("Downloads are disabled on this server\n");
1558                 Host_ClientCommands("\nstopdownload\n");
1559                 return;
1560         }
1561
1562         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
1563         extension = FS_FileExtension(host_client->download_name);
1564
1565         // host_client is asking to download a specified file
1566         if (developer.integer >= 100)
1567                 Con_Printf("Download request for %s by %s\n", host_client->download_name, host_client->name);
1568
1569         if (!FS_FileExists(host_client->download_name))
1570         {
1571                 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);
1572                 Host_ClientCommands("\nstopdownload\n");
1573                 return;
1574         }
1575
1576         // check if the user is trying to download part of registered Quake(r)
1577         whichpack = FS_WhichPack(host_client->download_name);
1578         whichpack2 = FS_WhichPack("gfx/pop.lmp");
1579         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
1580         {
1581                 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);
1582                 Host_ClientCommands("\nstopdownload\n");
1583                 return;
1584         }
1585
1586         // check if the server has forbidden archive downloads entirely
1587         if (!sv_allowdownloads_inarchive.integer)
1588         {
1589                 whichpack = FS_WhichPack(host_client->download_name);
1590                 if (whichpack)
1591                 {
1592                         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);
1593                         Host_ClientCommands("\nstopdownload\n");
1594                         return;
1595                 }
1596         }
1597
1598         if (!sv_allowdownloads_config.integer)
1599         {
1600                 if (!strcasecmp(extension, "cfg"))
1601                 {
1602                         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);
1603                         Host_ClientCommands("\nstopdownload\n");
1604                         return;
1605                 }
1606         }
1607
1608         if (!sv_allowdownloads_dlcache.integer)
1609         {
1610                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
1611                 {
1612                         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);
1613                         Host_ClientCommands("\nstopdownload\n");
1614                         return;
1615                 }
1616         }
1617
1618         if (!sv_allowdownloads_archive.integer)
1619         {
1620                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
1621                 {
1622                         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);
1623                         Host_ClientCommands("\nstopdownload\n");
1624                         return;
1625                 }
1626         }
1627
1628         host_client->download_file = FS_Open(host_client->download_name, "rb", true, false);
1629         if (!host_client->download_file)
1630         {
1631                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
1632                 Host_ClientCommands("\nstopdownload\n");
1633                 return;
1634         }
1635
1636         if (FS_FileSize(host_client->download_file) > 1<<30)
1637         {
1638                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
1639                 Host_ClientCommands("\nstopdownload\n");
1640                 FS_Close(host_client->download_file);
1641                 host_client->download_file = NULL;
1642                 return;
1643         }
1644
1645         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
1646
1647         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
1648
1649         host_client->download_expectedposition = 0;
1650         host_client->download_started = false;
1651
1652         // the rest of the download process is handled in SV_SendClientDatagram
1653         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
1654         //
1655         // no svc_downloaddata messages will be sent until sv_startdownload is
1656         // sent by the client
1657 }
1658
1659 /*
1660 ==============================================================================
1661
1662 SERVER SPAWNING
1663
1664 ==============================================================================
1665 */
1666
1667 /*
1668 ================
1669 SV_ModelIndex
1670
1671 ================
1672 */
1673 int SV_ModelIndex(const char *s, int precachemode)
1674 {
1675         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE) ? 256 : MAX_MODELS);
1676         char filename[MAX_QPATH];
1677         if (!s || !*s)
1678                 return 0;
1679         // testing
1680         //if (precachemode == 2)
1681         //      return 0;
1682         strlcpy(filename, s, sizeof(filename));
1683         for (i = 2;i < limit;i++)
1684         {
1685                 if (!sv.model_precache[i][0])
1686                 {
1687                         if (precachemode)
1688                         {
1689                                 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))
1690                                 {
1691                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
1692                                         return 0;
1693                                 }
1694                                 if (precachemode == 1)
1695                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
1696                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
1697                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, false);
1698                                 if (sv.state != ss_loading)
1699                                 {
1700                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
1701                                         MSG_WriteShort(&sv.reliable_datagram, i);
1702                                         MSG_WriteString(&sv.reliable_datagram, filename);
1703                                 }
1704                                 return i;
1705                         }
1706                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
1707                         return 0;
1708                 }
1709                 if (!strcmp(sv.model_precache[i], filename))
1710                         return i;
1711         }
1712         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
1713         return 0;
1714 }
1715
1716 /*
1717 ================
1718 SV_SoundIndex
1719
1720 ================
1721 */
1722 int SV_SoundIndex(const char *s, int precachemode)
1723 {
1724         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE) ? 256 : MAX_SOUNDS);
1725         char filename[MAX_QPATH];
1726         if (!s || !*s)
1727                 return 0;
1728         // testing
1729         //if (precachemode == 2)
1730         //      return 0;
1731         strlcpy(filename, s, sizeof(filename));
1732         for (i = 1;i < limit;i++)
1733         {
1734                 if (!sv.sound_precache[i][0])
1735                 {
1736                         if (precachemode)
1737                         {
1738                                 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))
1739                                 {
1740                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
1741                                         return 0;
1742                                 }
1743                                 if (precachemode == 1)
1744                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
1745                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
1746                                 if (sv.state != ss_loading)
1747                                 {
1748                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
1749                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
1750                                         MSG_WriteString(&sv.reliable_datagram, filename);
1751                                 }
1752                                 return i;
1753                         }
1754                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
1755                         return 0;
1756                 }
1757                 if (!strcmp(sv.sound_precache[i], filename))
1758                         return i;
1759         }
1760         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
1761         return 0;
1762 }
1763
1764 // MUST match effectnameindex_t in client.h
1765 static const char *standardeffectnames[EFFECT_TOTAL] =
1766 {
1767         "",
1768         "TE_GUNSHOT",
1769         "TE_GUNSHOTQUAD",
1770         "TE_SPIKE",
1771         "TE_SPIKEQUAD",
1772         "TE_SUPERSPIKE",
1773         "TE_SUPERSPIKEQUAD",
1774         "TE_WIZSPIKE",
1775         "TE_KNIGHTSPIKE",
1776         "TE_EXPLOSION",
1777         "TE_EXPLOSIONQUAD",
1778         "TE_TAREXPLOSION",
1779         "TE_TELEPORT",
1780         "TE_LAVASPLASH",
1781         "TE_SMALLFLASH",
1782         "TE_FLAMEJET",
1783         "EF_FLAME",
1784         "TE_BLOOD",
1785         "TE_SPARK",
1786         "TE_PLASMABURN",
1787         "TE_TEI_G3",
1788         "TE_TEI_SMOKE",
1789         "TE_TEI_BIGEXPLOSION",
1790         "TE_TEI_PLASMAHIT",
1791         "EF_STARDUST",
1792         "TR_ROCKET",
1793         "TR_GRENADE",
1794         "TR_BLOOD",
1795         "TR_WIZSPIKE",
1796         "TR_SLIGHTBLOOD",
1797         "TR_KNIGHTSPIKE",
1798         "TR_VORESPIKE",
1799         "TR_NEHAHRASMOKE",
1800         "TR_NEXUIZPLASMA",
1801         "TR_GLOWTRAIL",
1802         "SVC_PARTICLE"
1803 };
1804
1805 /*
1806 ================
1807 SV_ParticleEffectIndex
1808
1809 ================
1810 */
1811 int SV_ParticleEffectIndex(const char *name)
1812 {
1813         int i, argc, linenumber, effectnameindex;
1814         fs_offset_t filesize;
1815         unsigned char *filedata;
1816         const char *text, *textstart, *textend;
1817         char argv[16][1024];
1818         if (!sv.particleeffectnamesloaded)
1819         {
1820                 sv.particleeffectnamesloaded = true;
1821                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
1822                 for (i = 0;i < EFFECT_TOTAL;i++)
1823                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
1824                 filedata = FS_LoadFile("effectinfo.txt", tempmempool, true, &filesize);
1825                 if (filedata)
1826                 {
1827                         textstart = (const char *)filedata;
1828                         textend = (const char *)filedata + filesize;
1829                         text = textstart;
1830                         for (linenumber = 1;;linenumber++)
1831                         {
1832                                 argc = 0;
1833                                 for (;;)
1834                                 {
1835                                         if (!COM_ParseToken(&text, true) || !strcmp(com_token, "\n"))
1836                                                 break;
1837                                         if (argc < 16)
1838                                         {
1839                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
1840                                                 argc++;
1841                                         }
1842                                 }
1843                                 if (com_token[0] == 0)
1844                                         break; // if the loop exited and it's not a \n, it's EOF
1845                                 if (argc < 1)
1846                                         continue;
1847                                 if (!strcmp(argv[0], "effect"))
1848                                 {
1849                                         if (argc == 2)
1850                                         {
1851                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
1852                                                 {
1853                                                         if (sv.particleeffectname[effectnameindex][0])
1854                                                         {
1855                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
1856                                                                         break;
1857                                                         }
1858                                                         else
1859                                                         {
1860                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
1861                                                                 break;
1862                                                         }
1863                                                 }
1864                                                 // if we run out of names, abort
1865                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
1866                                                 {
1867                                                         Con_Printf("effectinfo.txt:%i: too many effects!\n", linenumber);
1868                                                         break;
1869                                                 }
1870                                         }
1871                                 }
1872                         }
1873                         Mem_Free(filedata);
1874                 }
1875         }
1876         // search for the name
1877         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
1878                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
1879                         return effectnameindex;
1880         // return 0 if we couldn't find it
1881         return 0;
1882 }
1883
1884 /*
1885 ================
1886 SV_CreateBaseline
1887
1888 ================
1889 */
1890 void SV_CreateBaseline (void)
1891 {
1892         int i, entnum, large;
1893         prvm_edict_t *svent;
1894
1895         // LordHavoc: clear *all* states (note just active ones)
1896         for (entnum = 0;entnum < prog->max_edicts;entnum++)
1897         {
1898                 // get the current server version
1899                 svent = PRVM_EDICT_NUM(entnum);
1900
1901                 // LordHavoc: always clear state values, whether the entity is in use or not
1902                 svent->priv.server->baseline = defaultstate;
1903
1904                 if (svent->priv.server->free)
1905                         continue;
1906                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
1907                         continue;
1908
1909                 // create entity baseline
1910                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
1911                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
1912                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
1913                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
1914                 if (entnum > 0 && entnum <= svs.maxclients)
1915                 {
1916                         svent->priv.server->baseline.colormap = entnum;
1917                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
1918                 }
1919                 else
1920                 {
1921                         svent->priv.server->baseline.colormap = 0;
1922                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
1923                 }
1924
1925                 large = false;
1926                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
1927                         large = true;
1928
1929                 // add to the message
1930                 if (large)
1931                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
1932                 else
1933                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
1934                 MSG_WriteShort (&sv.signon, entnum);
1935
1936                 if (large)
1937                 {
1938                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
1939                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
1940                 }
1941                 else
1942                 {
1943                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
1944                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
1945                 }
1946                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
1947                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
1948                 for (i=0 ; i<3 ; i++)
1949                 {
1950                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
1951                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
1952                 }
1953         }
1954 }
1955
1956
1957 /*
1958 ================
1959 SV_SaveSpawnparms
1960
1961 Grabs the current state of each client for saving across the
1962 transition to another level
1963 ================
1964 */
1965 void SV_SaveSpawnparms (void)
1966 {
1967         int             i, j;
1968
1969         svs.serverflags = (int)prog->globals.server->serverflags;
1970
1971         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
1972         {
1973                 if (!host_client->active)
1974                         continue;
1975
1976         // call the progs to get default spawn parms for the new client
1977                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
1978                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
1979                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
1980                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
1981         }
1982 }
1983 /*
1984 void SV_IncreaseEdicts(void)
1985 {
1986         int i;
1987         prvm_edict_t *ent;
1988         int oldmax_edicts = prog->max_edicts;
1989         void *oldedictsengineprivate = prog->edictprivate;
1990         void *oldedictsfields = prog->edictsfields;
1991         void *oldmoved_edicts = sv.moved_edicts;
1992
1993         if (prog->max_edicts >= MAX_EDICTS)
1994                 return;
1995
1996         // links don't survive the transition, so unlink everything
1997         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
1998         {
1999                 if (!ent->priv.server->free)
2000                         SV_UnlinkEdict(prog->edicts + i);
2001                 memset(&ent->priv.server->areagrid, 0, sizeof(ent->priv.server->areagrid));
2002         }
2003         World_Clear(&sv.world);
2004
2005         prog->max_edicts   = min(prog->max_edicts + 256, MAX_EDICTS);
2006         prog->edictprivate = PR_Alloc(prog->max_edicts * sizeof(edict_engineprivate_t));
2007         prog->edictsfields = PR_Alloc(prog->max_edicts * prog->edict_size);
2008         sv.moved_edicts = PR_Alloc(prog->max_edicts * sizeof(prvm_edict_t *));
2009
2010         memcpy(prog->edictprivate, oldedictsengineprivate, oldmax_edicts * sizeof(edict_engineprivate_t));
2011         memcpy(prog->edictsfields, oldedictsfields, oldmax_edicts * prog->edict_size);
2012
2013         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
2014         {
2015                 ent->priv.vp = (unsigned char*) prog->edictprivate + i * prog->edictprivate_size;
2016                 ent->fields.server = (void *)((unsigned char *)prog->edictsfields + i * prog->edict_size);
2017                 // link every entity except world
2018                 if (!ent->priv.server->free)
2019                         SV_LinkEdict(ent, false);
2020         }
2021
2022         PR_Free(oldedictsengineprivate);
2023         PR_Free(oldedictsfields);
2024         PR_Free(oldmoved_edicts);
2025 }*/
2026
2027 /*
2028 ================
2029 SV_SpawnServer
2030
2031 This is called at the start of each level
2032 ================
2033 */
2034 extern float            scr_centertime_off;
2035
2036 void SV_SpawnServer (const char *server)
2037 {
2038         prvm_edict_t *ent;
2039         int i;
2040         char *entities;
2041         model_t *worldmodel;
2042         char modelname[sizeof(sv.modelname)];
2043
2044         Con_DPrintf("SpawnServer: %s\n", server);
2045
2046         if (cls.state != ca_dedicated)
2047                 SCR_BeginLoadingPlaque();
2048
2049         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
2050         worldmodel = Mod_ForName(modelname, false, true, true);
2051         if (!worldmodel || !worldmodel->TraceBox)
2052         {
2053                 Con_Printf("Couldn't load map %s\n", modelname);
2054                 return;
2055         }
2056
2057         // let's not have any servers with no name
2058         if (hostname.string[0] == 0)
2059                 Cvar_Set ("hostname", "UNNAMED");
2060         scr_centertime_off = 0;
2061
2062         svs.changelevel_issued = false;         // now safe to issue another
2063
2064         // make the map a required file for clients
2065         Curl_ClearRequirements();
2066         Curl_RequireFile(modelname);
2067
2068 //
2069 // tell all connected clients that we are going to a new level
2070 //
2071         if (sv.active)
2072         {
2073                 client_t *client;
2074                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2075                 {
2076                         if (client->netconnection)
2077                         {
2078                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
2079                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
2080                         }
2081                 }
2082         }
2083         else
2084         {
2085                 // open server port
2086                 NetConn_OpenServerPorts(true);
2087         }
2088
2089 //
2090 // make cvars consistant
2091 //
2092         if (coop.integer)
2093                 Cvar_SetValue ("deathmatch", 0);
2094         // LordHavoc: it can be useful to have skills outside the range 0-3...
2095         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
2096         //Cvar_SetValue ("skill", (float)current_skill);
2097         current_skill = (int)(skill.value + 0.5);
2098
2099 //
2100 // set up the new server
2101 //
2102         memset (&sv, 0, sizeof(sv));
2103         // if running a local client, make sure it doesn't try to access the last
2104         // level's data which is no longer valiud
2105         cls.signon = 0;
2106
2107         if(*sv_random_seed.string)
2108         {
2109                 srand(sv_random_seed.integer);
2110                 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);
2111         }
2112
2113         SV_VM_Setup();
2114
2115         sv.active = true;
2116
2117         strlcpy (sv.name, server, sizeof (sv.name));
2118
2119         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
2120         if (sv.protocol == PROTOCOL_UNKNOWN)
2121         {
2122                 char buffer[1024];
2123                 Protocol_Names(buffer, sizeof(buffer));
2124                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
2125                 sv.protocol = PROTOCOL_QUAKE;
2126         }
2127
2128         SV_VM_Begin();
2129
2130 // load progs to get entity field count
2131         //PR_LoadProgs ( sv_progs.string );
2132
2133         // allocate server memory
2134         /*// start out with just enough room for clients and a reasonable estimate of entities
2135         prog->max_edicts = max(svs.maxclients + 1, 512);
2136         prog->max_edicts = min(prog->max_edicts, MAX_EDICTS);
2137
2138         // prvm_edict_t structures (hidden from progs)
2139         prog->edicts = PR_Alloc(MAX_EDICTS * sizeof(prvm_edict_t));
2140         // engine private structures (hidden from progs)
2141         prog->edictprivate = PR_Alloc(prog->max_edicts * sizeof(edict_engineprivate_t));
2142         // progs fields, often accessed by server
2143         prog->edictsfields = PR_Alloc(prog->max_edicts * prog->edict_size);*/
2144         // used by PushMove to move back pushed entities
2145         sv.moved_edicts = (prvm_edict_t **)PRVM_Alloc(prog->max_edicts * sizeof(prvm_edict_t *));
2146         /*for (i = 0;i < prog->max_edicts;i++)
2147         {
2148                 ent = prog->edicts + i;
2149                 ent->priv.vp = (unsigned char*) prog->edictprivate + i * prog->edictprivate_size;
2150                 ent->fields.server = (void *)((unsigned char *)prog->edictsfields + i * prog->edict_size);
2151         }*/
2152
2153         // reset client csqc entity versions right away.
2154         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2155                 EntityFrameCSQC_InitClientVersions(i, true);
2156
2157         sv.datagram.maxsize = sizeof(sv.datagram_buf);
2158         sv.datagram.cursize = 0;
2159         sv.datagram.data = sv.datagram_buf;
2160
2161         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
2162         sv.reliable_datagram.cursize = 0;
2163         sv.reliable_datagram.data = sv.reliable_datagram_buf;
2164
2165         sv.signon.maxsize = sizeof(sv.signon_buf);
2166         sv.signon.cursize = 0;
2167         sv.signon.data = sv.signon_buf;
2168
2169 // leave slots at start for clients only
2170         //prog->num_edicts = svs.maxclients+1;
2171
2172         sv.state = ss_loading;
2173         prog->allowworldwrites = true;
2174         sv.paused = false;
2175
2176         prog->globals.server->time = sv.time = 1.0;
2177
2178         Mod_ClearUsed();
2179         worldmodel->used = true;
2180
2181         strlcpy (sv.name, server, sizeof (sv.name));
2182         strlcpy(sv.modelname, modelname, sizeof(sv.modelname));
2183         sv.worldmodel = worldmodel;
2184         sv.models[1] = sv.worldmodel;
2185
2186 //
2187 // clear world interaction links
2188 //
2189         VectorCopy(sv.worldmodel->normalmins, sv.world.areagrid_mins);
2190         VectorCopy(sv.worldmodel->normalmaxs, sv.world.areagrid_maxs);
2191         World_Clear(&sv.world);
2192
2193         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
2194
2195         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
2196         strlcpy(sv.model_precache[1], sv.modelname, sizeof(sv.model_precache[1]));
2197         for (i = 1;i < sv.worldmodel->brush.numsubmodels;i++)
2198         {
2199                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
2200                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, false);
2201         }
2202
2203 //
2204 // load the rest of the entities
2205 //
2206         // AK possible hack since num_edicts is still 0
2207         ent = PRVM_EDICT_NUM(0);
2208         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
2209         ent->priv.server->free = false;
2210         ent->fields.server->model = PRVM_SetEngineString(sv.modelname);
2211         ent->fields.server->modelindex = 1;             // world model
2212         ent->fields.server->solid = SOLID_BSP;
2213         ent->fields.server->movetype = MOVETYPE_PUSH;
2214         VectorCopy(sv.worldmodel->normalmins, ent->fields.server->mins);
2215         VectorCopy(sv.worldmodel->normalmaxs, ent->fields.server->maxs);
2216         VectorCopy(sv.worldmodel->normalmins, ent->fields.server->absmin);
2217         VectorCopy(sv.worldmodel->normalmaxs, ent->fields.server->absmax);
2218
2219         if (coop.value)
2220                 prog->globals.server->coop = coop.integer;
2221         else
2222                 prog->globals.server->deathmatch = deathmatch.integer;
2223
2224         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
2225
2226 // serverflags are for cross level information (sigils)
2227         prog->globals.server->serverflags = svs.serverflags;
2228
2229         // we need to reset the spawned flag on all connected clients here so that
2230         // their thinks don't run during startup (before PutClientInServer)
2231         // we also need to set up the client entities now
2232         // and we need to set the ->edict pointers to point into the progs edicts
2233         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2234         {
2235                 host_client->spawned = false;
2236                 host_client->edict = PRVM_EDICT_NUM(i + 1);
2237                 PRVM_ED_ClearEdict(host_client->edict);
2238         }
2239
2240         // load replacement entity file if found
2241         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true, NULL)))
2242         {
2243                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
2244                 PRVM_ED_LoadFromFile (entities);
2245                 Mem_Free(entities);
2246         }
2247         else
2248                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
2249
2250
2251         // LordHavoc: clear world angles (to fix e3m3.bsp)
2252         VectorClear(prog->edicts->fields.server->angles);
2253
2254 // all setup is completed, any further precache statements are errors
2255         sv.state = ss_active;
2256         prog->allowworldwrites = false;
2257
2258 // run two frames to allow everything to settle
2259         for (i = 0;i < 2;i++)
2260         {
2261                 sv.frametime = 0.1;
2262                 SV_Physics ();
2263         }
2264
2265         Mod_PurgeUnused();
2266
2267 // create a baseline for more efficient communications
2268         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE)
2269                 SV_CreateBaseline ();
2270
2271 // send serverinfo to all connected clients, and set up botclients coming back from a level change
2272         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2273         {
2274                 if (!host_client->active)
2275                         continue;
2276                 if (host_client->netconnection)
2277                         SV_SendServerinfo(host_client);
2278                 else
2279                 {
2280                         int j;
2281                         // if client is a botclient coming from a level change, we need to
2282                         // set up client info that normally requires networking
2283
2284                         // copy spawn parms out of the client_t
2285                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
2286                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
2287
2288                         // call the spawn function
2289                         host_client->clientconnectcalled = true;
2290                         prog->globals.server->time = sv.time;
2291                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
2292                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
2293                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
2294                         host_client->spawned = true;
2295                 }
2296         }
2297
2298         Con_DPrint("Server spawned.\n");
2299         NetConn_Heartbeat (2);
2300
2301         SV_VM_End();
2302 }
2303
2304 /////////////////////////////////////////////////////
2305 // SV VM stuff
2306
2307 void SV_VM_CB_BeginIncreaseEdicts(void)
2308 {
2309         int i;
2310         prvm_edict_t *ent;
2311
2312         PRVM_Free( sv.moved_edicts );
2313         sv.moved_edicts = (prvm_edict_t **)PRVM_Alloc(prog->max_edicts * sizeof(prvm_edict_t *));
2314
2315         // links don't survive the transition, so unlink everything
2316         for (i = 0, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
2317         {
2318                 if (!ent->priv.server->free)
2319                         World_UnlinkEdict(prog->edicts + i);
2320                 memset(&ent->priv.server->areagrid, 0, sizeof(ent->priv.server->areagrid));
2321         }
2322         World_Clear(&sv.world);
2323 }
2324
2325 void SV_VM_CB_EndIncreaseEdicts(void)
2326 {
2327         int i;
2328         prvm_edict_t *ent;
2329
2330         // link every entity except world
2331         for (i = 1, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
2332                 if (!ent->priv.server->free)
2333                         SV_LinkEdict(ent, false);
2334 }
2335
2336 void SV_VM_CB_InitEdict(prvm_edict_t *e)
2337 {
2338         // LordHavoc: for consistency set these here
2339         int num = PRVM_NUM_FOR_EDICT(e) - 1;
2340
2341         e->priv.server->move = false; // don't move on first frame
2342
2343         if (num >= 0 && num < svs.maxclients)
2344         {
2345                 prvm_eval_t *val;
2346                 // set colormap and team on newly created player entity
2347                 e->fields.server->colormap = num + 1;
2348                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
2349                 // set netname/clientcolors back to client values so that
2350                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
2351                 // reset them
2352                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
2353                 if ((val = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.clientcolors)))
2354                         val->_float = svs.clients[num].colors;
2355                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
2356                 if( prog->fieldoffsets.playermodel >= 0 )
2357                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
2358                 if( prog->fieldoffsets.playerskin >= 0 )
2359                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
2360         }
2361 }
2362
2363 void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
2364 {
2365         World_UnlinkEdict(ed);          // unlink from world bsp
2366
2367         ed->fields.server->model = 0;
2368         ed->fields.server->takedamage = 0;
2369         ed->fields.server->modelindex = 0;
2370         ed->fields.server->colormap = 0;
2371         ed->fields.server->skin = 0;
2372         ed->fields.server->frame = 0;
2373         VectorClear(ed->fields.server->origin);
2374         VectorClear(ed->fields.server->angles);
2375         ed->fields.server->nextthink = -1;
2376         ed->fields.server->solid = 0;
2377 }
2378
2379 void SV_VM_CB_CountEdicts(void)
2380 {
2381         int             i;
2382         prvm_edict_t    *ent;
2383         int             active, models, solid, step;
2384
2385         active = models = solid = step = 0;
2386         for (i=0 ; i<prog->num_edicts ; i++)
2387         {
2388                 ent = PRVM_EDICT_NUM(i);
2389                 if (ent->priv.server->free)
2390                         continue;
2391                 active++;
2392                 if (ent->fields.server->solid)
2393                         solid++;
2394                 if (ent->fields.server->model)
2395                         models++;
2396                 if (ent->fields.server->movetype == MOVETYPE_STEP)
2397                         step++;
2398         }
2399
2400         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
2401         Con_Printf("active    :%3i\n", active);
2402         Con_Printf("view      :%3i\n", models);
2403         Con_Printf("touch     :%3i\n", solid);
2404         Con_Printf("step      :%3i\n", step);
2405 }
2406
2407 qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
2408 {
2409         // remove things from different skill levels or deathmatch
2410         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
2411         {
2412                 if (deathmatch.integer)
2413                 {
2414                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
2415                         {
2416                                 return false;
2417                         }
2418                 }
2419                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
2420                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
2421                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
2422                 {
2423                         return false;
2424                 }
2425         }
2426         return true;
2427 }
2428
2429 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)"};
2430 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
2431 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
2432 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
2433 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
2434 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
2435 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
2436 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2437 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2438 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2439 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2440 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
2441 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
2442 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
2443 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
2444 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
2445 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
2446 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
2447 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
2448 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
2449 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
2450 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
2451 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
2452 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
2453 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
2454 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
2455 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
2456 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
2457 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
2458 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
2459 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
2460 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
2461 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
2462
2463 void SV_VM_Init(void)
2464 {
2465         Cvar_RegisterVariable (&pr_checkextension);
2466         Cvar_RegisterVariable (&nomonsters);
2467         Cvar_RegisterVariable (&gamecfg);
2468         Cvar_RegisterVariable (&scratch1);
2469         Cvar_RegisterVariable (&scratch2);
2470         Cvar_RegisterVariable (&scratch3);
2471         Cvar_RegisterVariable (&scratch4);
2472         Cvar_RegisterVariable (&savedgamecfg);
2473         Cvar_RegisterVariable (&saved1);
2474         Cvar_RegisterVariable (&saved2);
2475         Cvar_RegisterVariable (&saved3);
2476         Cvar_RegisterVariable (&saved4);
2477         // LordHavoc: Nehahra uses these to pass data around cutscene demos
2478         if (gamemode == GAME_NEHAHRA)
2479         {
2480                 Cvar_RegisterVariable (&nehx00);
2481                 Cvar_RegisterVariable (&nehx01);
2482                 Cvar_RegisterVariable (&nehx02);
2483                 Cvar_RegisterVariable (&nehx03);
2484                 Cvar_RegisterVariable (&nehx04);
2485                 Cvar_RegisterVariable (&nehx05);
2486                 Cvar_RegisterVariable (&nehx06);
2487                 Cvar_RegisterVariable (&nehx07);
2488                 Cvar_RegisterVariable (&nehx08);
2489                 Cvar_RegisterVariable (&nehx09);
2490                 Cvar_RegisterVariable (&nehx10);
2491                 Cvar_RegisterVariable (&nehx11);
2492                 Cvar_RegisterVariable (&nehx12);
2493                 Cvar_RegisterVariable (&nehx13);
2494                 Cvar_RegisterVariable (&nehx14);
2495                 Cvar_RegisterVariable (&nehx15);
2496                 Cvar_RegisterVariable (&nehx16);
2497                 Cvar_RegisterVariable (&nehx17);
2498                 Cvar_RegisterVariable (&nehx18);
2499                 Cvar_RegisterVariable (&nehx19);
2500         }
2501         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
2502 }
2503
2504 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
2505
2506 prvm_required_field_t reqfields[] =
2507 {
2508         {ev_entity, "cursor_trace_ent"},
2509         {ev_entity, "drawonlytoclient"},
2510         {ev_entity, "exteriormodeltoclient"},
2511         {ev_entity, "nodrawtoclient"},
2512         {ev_entity, "tag_entity"},
2513         {ev_entity, "viewmodelforclient"},
2514         {ev_float, "alpha"},
2515         {ev_float, "ammo_cells1"},
2516         {ev_float, "ammo_lava_nails"},
2517         {ev_float, "ammo_multi_rockets"},
2518         {ev_float, "ammo_nails1"},
2519         {ev_float, "ammo_plasma"},
2520         {ev_float, "ammo_rockets1"},
2521         {ev_float, "ammo_shells1"},
2522         {ev_float, "button3"},
2523         {ev_float, "button4"},
2524         {ev_float, "button5"},
2525         {ev_float, "button6"},
2526         {ev_float, "button7"},
2527         {ev_float, "button8"},
2528         {ev_float, "button9"},
2529         {ev_float, "button10"},
2530         {ev_float, "button11"},
2531         {ev_float, "button12"},
2532         {ev_float, "button13"},
2533         {ev_float, "button14"},
2534         {ev_float, "button15"},
2535         {ev_float, "button16"},
2536         {ev_float, "buttonchat"},
2537         {ev_float, "buttonuse"},
2538         {ev_float, "clientcolors"},
2539         {ev_float, "cursor_active"},
2540         {ev_float, "fullbright"},
2541         {ev_float, "glow_color"},
2542         {ev_float, "glow_size"},
2543         {ev_float, "glow_trail"},
2544         {ev_float, "gravity"},
2545         {ev_float, "idealpitch"},
2546         {ev_float, "items2"},
2547         {ev_float, "light_lev"},
2548         {ev_float, "pflags"},
2549         {ev_float, "ping"},
2550         {ev_float, "pitch_speed"},
2551         {ev_float, "pmodel"},
2552         {ev_float, "renderamt"}, // HalfLife support
2553         {ev_float, "rendermode"}, // HalfLife support
2554         {ev_float, "scale"},
2555         {ev_float, "style"},
2556         {ev_float, "tag_index"},
2557         {ev_float, "Version"},
2558         {ev_float, "viewzoom"},
2559         {ev_vector, "color"},
2560         {ev_vector, "colormod"},
2561         {ev_vector, "cursor_screen"},
2562         {ev_vector, "cursor_trace_endpos"},
2563         {ev_vector, "cursor_trace_start"},
2564         {ev_vector, "movement"},
2565         {ev_vector, "punchvector"},
2566         {ev_string, "playermodel"},
2567         {ev_string, "playerskin"},
2568         {ev_function, "SendEntity"},
2569         {ev_function, "customizeentityforclient"},
2570         // DRESK - Support for Entity Contents Transition Event
2571         {ev_function, "contentstransition"},
2572 };
2573
2574 void SV_VM_Setup(void)
2575 {
2576         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
2577         extern cvar_t csqc_progcrc;
2578         extern cvar_t csqc_progsize;
2579         size_t csprogsdatasize;
2580         PRVM_Begin;
2581         PRVM_InitProg( PRVM_SERVERPROG );
2582
2583         // allocate the mempools
2584         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
2585         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
2586         prog->builtins = vm_sv_builtins;
2587         prog->numbuiltins = vm_sv_numbuiltins;
2588         prog->headercrc = PROGHEADER_CRC;
2589         prog->max_edicts = 512;
2590         prog->limit_edicts = MAX_EDICTS;
2591         prog->reserved_edicts = svs.maxclients;
2592         prog->edictprivate_size = sizeof(edict_engineprivate_t);
2593         prog->name = "server";
2594         prog->extensionstring = vm_sv_extensions;
2595         prog->loadintoworld = true;
2596
2597         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
2598         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
2599         prog->init_edict = SV_VM_CB_InitEdict;
2600         prog->free_edict = SV_VM_CB_FreeEdict;
2601         prog->count_edicts = SV_VM_CB_CountEdicts;
2602         prog->load_edict = SV_VM_CB_LoadEdict;
2603         prog->init_cmd = VM_SV_Cmd_Init;
2604         prog->reset_cmd = VM_SV_Cmd_Reset;
2605         prog->error_cmd = Host_Error;
2606
2607         // TODO: add a requiredfuncs list (ask LH if this is necessary at all)
2608         PRVM_LoadProgs( sv_progs.string, 0, NULL, REQFIELDS, reqfields, 0, NULL );
2609
2610         // some mods compiled with scrambling compilers lack certain critical
2611         // global names and field names such as "self" and "time" and "nextthink"
2612         // so we have to set these offsets manually, matching the entvars_t
2613         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
2614         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
2615         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
2616         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
2617         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
2618         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
2619         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
2620         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
2621         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
2622         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
2623         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
2624         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
2625         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
2626         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
2627         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
2628         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
2629         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
2630         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
2631         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
2632         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
2633         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
2634         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
2635         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
2636         // OP_STATE is always supported on server (due to entvars_t)
2637         prog->flag |= PRVM_OP_STATE;
2638
2639         VM_AutoSentStats_Clear();//[515]: csqc
2640         EntityFrameCSQC_ClearVersions();//[515]: csqc
2641
2642         PRVM_End;
2643
2644         // 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
2645         sv.csqc_progname[0] = 0;
2646         sv.csqc_progcrc = FS_CRCFile(csqc_progname.string, &csprogsdatasize);
2647         sv.csqc_progsize = csprogsdatasize;
2648         if (sv.csqc_progsize > 0)
2649         {
2650                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
2651                 Con_DPrintf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
2652         }
2653 }
2654
2655 void SV_VM_Begin(void)
2656 {
2657         PRVM_Begin;
2658         PRVM_SetProg( PRVM_SERVERPROG );
2659
2660         prog->globals.server->time = (float) sv.time;
2661 }
2662
2663 void SV_VM_End(void)
2664 {
2665         PRVM_End;
2666 }