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 // server.h
21 
22 #ifndef SERVER_H
23 #define SERVER_H
24 
25 typedef struct server_static_s
26 {
27 	/// number of svs.clients slots (updated by maxplayers command)
28 	int maxclients, maxclients_next;
29 	/// client slots
30 	struct client_s *clients;
31 	/// episode completion information
32 	int serverflags;
33 	/// cleared when at SV_SpawnServer
34 	qboolean changelevel_issued;
35 	/// server infostring
36 	char serverinfo[MAX_SERVERINFO_STRING];
37 	// performance data
38 	float perf_cpuload;
39 	float perf_lost;
40 	float perf_offset_avg;
41 	float perf_offset_max;
42 	float perf_offset_sdev;
43 	// temporary performance data accumulators
44 	float perf_acc_realtime;
45 	float perf_acc_sleeptime;
46 	float perf_acc_lost;
47 	float perf_acc_offset;
48 	float perf_acc_offset_squared;
49 	float perf_acc_offset_max;
50 	int perf_acc_offset_samples;
51 
52 	// csqc stuff
53 	unsigned char *csqc_progdata;
54 	size_t csqc_progsize_deflated;
55 	unsigned char *csqc_progdata_deflated;
56 
57 	// independent server thread (when running client)
58 	qboolean threaded; // true if server is running on separate thread
59 	qboolean volatile threadstop;
60 	void *threadmutex;
61 	void *thread;
62 } server_static_t;
63 
64 //=============================================================================
65 
66 typedef enum server_state_e {ss_loading, ss_active} server_state_t;
67 
68 #define MAX_CONNECTFLOODADDRESSES 16
69 #define MAX_GETSTATUSFLOODADDRESSES 128
70 typedef struct server_floodaddress_s
71 {
72 	double lasttime;
73 	lhnetaddress_t address;
74 }
75 server_floodaddress_t;
76 
77 typedef struct server_s
78 {
79 	/// false if only a net client
80 	qboolean active;
81 
82 	qboolean paused;
83 	double pausedstart;
84 	/// handle connections specially
85 	qboolean loadgame;
86 
87 	/// one of the PROTOCOL_ values
88 	protocolversion_t protocol;
89 
90 	double time;
91 
92 	double frametime;
93 
94 	// used by PF_checkclient
95 	int lastcheck;
96 	double lastchecktime;
97 
98 	// crc of clientside progs at time of level start
99 	int csqc_progcrc; // -1 = no progs
100 	int csqc_progsize; // -1 = no progs
101 	char csqc_progname[MAX_QPATH]; // copied from csqc_progname at level start
102 
103 	/// collision culling data
104 	world_t world;
105 
106 	/// map name
107 	char name[64]; // %s followed by entrance name
108 	// variants of map name
109 	char worldmessage[40]; // map title (not related to filename)
110 	char worldbasename[MAX_QPATH]; // %s
111 	char worldname[MAX_QPATH]; // maps/%s.bsp
112 	char worldnamenoextension[MAX_QPATH]; // maps/%s
113 	struct model_s *worldmodel;
114 	// NULL terminated
115 	// LordHavoc: precaches are now MAX_QPATH rather than a pointer
116 	// updated by SV_ModelIndex
117 	char model_precache[MAX_MODELS][MAX_QPATH];
118 	struct model_s *models[MAX_MODELS];
119 	// NULL terminated
120 	// LordHavoc: precaches are now MAX_QPATH rather than a pointer
121 	// updated by SV_SoundIndex
122 	char sound_precache[MAX_SOUNDS][MAX_QPATH];
123 	char lightstyles[MAX_LIGHTSTYLES][64];
124 	/// some actions are only valid during load
125 	server_state_t state;
126 
127 	sizebuf_t datagram;
128 	unsigned char datagram_buf[NET_MAXMESSAGE];
129 
130 	// copied to all clients at end of frame
131 	sizebuf_t reliable_datagram;
132 	unsigned char reliable_datagram_buf[NET_MAXMESSAGE];
133 
134 	sizebuf_t signon;
135 	/// LordHavoc: increased signon message buffer from 8192
136 	unsigned char signon_buf[NET_MAXMESSAGE];
137 
138 	/// connection flood blocking
139 	/// note this is in server_t rather than server_static_t so that it is
140 	/// reset on each map command (such as New Game in singleplayer)
141 	server_floodaddress_t connectfloodaddresses[MAX_CONNECTFLOODADDRESSES];
142 	server_floodaddress_t getstatusfloodaddresses[MAX_GETSTATUSFLOODADDRESSES];
143 
144 	qboolean particleeffectnamesloaded;
145 	char particleeffectname[MAX_PARTICLEEFFECTNAME][MAX_QPATH];
146 
147 	int writeentitiestoclient_stats_culled_pvs;
148 	int writeentitiestoclient_stats_culled_trace;
149 	int writeentitiestoclient_stats_visibleentities;
150 	int writeentitiestoclient_stats_totalentities;
151 	int writeentitiestoclient_cliententitynumber;
152 	int writeentitiestoclient_clientnumber;
153 	sizebuf_t *writeentitiestoclient_msg;
154 	vec3_t writeentitiestoclient_eyes[MAX_CLIENTNETWORKEYES];
155 	int writeentitiestoclient_numeyes;
156 	int writeentitiestoclient_pvsbytes;
157 	unsigned char writeentitiestoclient_pvs[MAX_MAP_LEAFS/8];
158 	const entity_state_t *writeentitiestoclient_sendstates[MAX_EDICTS];
159 	unsigned short writeentitiestoclient_csqcsendstates[MAX_EDICTS];
160 
161 	int numsendentities;
162 	entity_state_t sendentities[MAX_EDICTS];
163 	entity_state_t *sendentitiesindex[MAX_EDICTS];
164 
165 	int sententitiesmark;
166 	int sententities[MAX_EDICTS];
167 	int sententitiesconsideration[MAX_EDICTS];
168 
169 	/// legacy support for self.Version based csqc entity networking
170 	unsigned char csqcentityversion[MAX_EDICTS]; // legacy
171 } server_t;
172 
173 #define NUM_CSQCENTITIES_PER_FRAME 256
174 typedef struct csqcentityframedb_s
175 {
176 	int framenum;
177 	int num;
178 	unsigned short entno[NUM_CSQCENTITIES_PER_FRAME];
179 	int sendflags[NUM_CSQCENTITIES_PER_FRAME];
180 } csqcentityframedb_t;
181 
182 // if defined this does ping smoothing, otherwise it does not
183 //#define NUM_PING_TIMES 16
184 
185 #define NUM_SPAWN_PARMS 16
186 
187 typedef struct client_s
188 {
189 	/// false = empty client slot
190 	qboolean active;
191 	/// false = don't do ClientDisconnect on drop
192 	qboolean clientconnectcalled;
193 	/// false = don't allow spawn
194 	qboolean prespawned;
195 	/// false = don't allow begin
196 	qboolean spawned;
197 	/// false = don't send datagrams
198 	qboolean begun;
199 	/// 1 = send svc_serverinfo and advance to 2, 2 doesn't send, then advances to 0 (allowing unlimited sending) when prespawn is received
200 	int sendsignon;
201 
202 	/// requested rate in bytes per second
203 	int rate;
204 
205 	/// temporarily exceed rate by this amount of bytes
206 	int rate_burstsize;
207 
208 	/// realtime this client connected
209 	double connecttime;
210 
211 	/// keepalive messages must be sent periodically during signon
212 	double keepalivetime;
213 
214 	/// communications handle
215 	netconn_t *netconnection;
216 
217 	unsigned int movesequence;
218 	signed char movement_count[NETGRAPH_PACKETS];
219 	unsigned int movement_highestsequence_seen; // not the same as movesequence if prediction is off
220 	/// movement
221 	usercmd_t cmd;
222 	/// intended motion calced from cmd
223 	vec3_t wishdir;
224 
225 	/// PRVM_EDICT_NUM(clientnum+1)
226 	prvm_edict_t *edict;
227 
228 #ifdef NUM_PING_TIMES
229 	float ping_times[NUM_PING_TIMES];
230 	/// ping_times[num_pings%NUM_PING_TIMES]
231 	int num_pings;
232 #endif
233 	/// LordHavoc: can be used for prediction or whatever...
234 	float ping;
235 
236 	/// this is used by sv_clmovement_minping code
237 	double clmovement_disabletimeout;
238 	/// this is used by sv_clmovement_inputtimeout code
239 	float clmovement_inputtimeout;
240 
241 /// spawn parms are carried from level to level
242 	prvm_vec_t spawn_parms[NUM_SPAWN_PARMS];
243 
244 	// properties that are sent across the network only when changed
245 	char name[MAX_SCOREBOARDNAME], old_name[MAX_SCOREBOARDNAME];
246 	int colors, old_colors;
247 	int frags, old_frags;
248 	char playermodel[MAX_QPATH], old_model[MAX_QPATH];
249 	char playerskin[MAX_QPATH], old_skin[MAX_QPATH];
250 
251 	/// netaddress support
252 	char netaddress[MAX_QPATH];
253 
254 	/// visibility state
255 	float visibletime[MAX_EDICTS];
256 
257 	// scope is whether an entity is currently being networked to this client
258 	// sendflags is what properties have changed on the entity since the last
259 	// update that was sent
260 	int csqcnumedicts;
261 	unsigned char csqcentityscope[MAX_EDICTS];
262 	unsigned int csqcentitysendflags[MAX_EDICTS];
263 
264 #define NUM_CSQCENTITYDB_FRAMES 256
265 	csqcentityframedb_t csqcentityframehistory[NUM_CSQCENTITYDB_FRAMES];
266 	int csqcentityframehistory_next;
267 	int csqcentityframe_lastreset;
268 
269 	/// prevent animated names
270 	float nametime;
271 
272 	/// latest received clc_ackframe (used to detect packet loss)
273 	int latestframenum;
274 
275 	/// cache weaponmodel name lookups
276 	char weaponmodel[MAX_QPATH];
277 	int weaponmodelindex;
278 
279 	/// clientcamera (entity to use as camera)
280 	int clientcamera;
281 
282 	entityframe_database_t *entitydatabase;
283 	entityframe4_database_t *entitydatabase4;
284 	entityframe5_database_t *entitydatabase5;
285 
286 	// delta compression of stats
287 	unsigned char statsdeltabits[(MAX_CL_STATS+7)/8];
288 	int stats[MAX_CL_STATS];
289 
290 	unsigned char unreliablemsg_data[NET_MAXMESSAGE];
291 	sizebuf_t unreliablemsg;
292 	int unreliablemsg_splitpoints;
293 	int unreliablemsg_splitpoint[NET_MAXMESSAGE/16];
294 
295 	// information on an active download if any
296 	qfile_t *download_file;
297 	int download_expectedposition; ///< next position the client should ack
298 	qboolean download_started;
299 	char download_name[MAX_QPATH];
300 	qboolean download_deflate;
301 
302 	// fixangle data
303 	qboolean fixangle_angles_set;
304 	vec3_t fixangle_angles;
305 
306 	/// demo recording
307 	qfile_t *sv_demo_file;
308 
309 	// number of skipped entity frames
310 	// if it exceeds a limit, an empty entity frame is sent
311 	int num_skippedentityframes;
312 
313 	// last sent move sequence
314 	// if the move sequence changed, an empty entity frame is sent
315 	unsigned int lastmovesequence;
316 } client_t;
317 
318 
319 //=============================================================================
320 
321 // edict->movetype values
322 #define	MOVETYPE_NONE			0		///< never moves
323 #define	MOVETYPE_ANGLENOCLIP	1
324 #define	MOVETYPE_ANGLECLIP		2
325 #define	MOVETYPE_WALK			3		///< gravity
326 #define	MOVETYPE_STEP			4		///< gravity, special edge handling
327 #define	MOVETYPE_FLY			5
328 #define	MOVETYPE_TOSS			6		///< gravity
329 #define	MOVETYPE_PUSH			7		///< no clip to world, push and crush
330 #define	MOVETYPE_NOCLIP			8
331 #define	MOVETYPE_FLYMISSILE		9		///< extra size to monsters
332 #define	MOVETYPE_BOUNCE			10
333 #define MOVETYPE_BOUNCEMISSILE	11		///< bounce w/o gravity
334 #define MOVETYPE_FOLLOW			12		///< track movement of aiment
335 #define MOVETYPE_FAKEPUSH		13		///< tenebrae's push that doesn't push
336 #define MOVETYPE_PHYSICS		32		///< indicates this object is physics controlled
337 #define MOVETYPE_FLY_WORLDONLY		33		///< like MOVETYPE_FLY, but uses MOVE_WORLDONLY for all its traces; objects of this movetype better be SOLID_NOT or SOLID_TRIGGER please, or else...
338 #define MOVETYPE_USER_FIRST		128		///< user defined movetypes
339 #define MOVETYPE_USER_LAST		191
340 
341 // edict->solid values
342 #define	SOLID_NOT				0		///< no interaction with other objects
343 #define	SOLID_TRIGGER			1		///< touch on edge, but not blocking
344 #define	SOLID_BBOX				2		///< touch on edge, block
345 #define	SOLID_SLIDEBOX			3		///< touch on edge, but not an onground
346 #define	SOLID_BSP				4		///< bsp clip, touch on edge, block
347 // LordHavoc: corpse code
348 #define	SOLID_CORPSE			5		///< same as SOLID_BBOX, except it behaves as SOLID_NOT against SOLID_SLIDEBOX objects (players/monsters)
349 // LordHavoc: physics
350 // VorteX: now these fields are deprecated, as geomtype is more flexible
351 #define	SOLID_PHYSICS_BOX		32		///< physics object (mins, maxs, mass, origin, axis_forward, axis_left, axis_up, velocity, spinvelocity)
352 #define	SOLID_PHYSICS_SPHERE	33		///< physics object (mins, maxs, mass, origin, axis_forward, axis_left, axis_up, velocity, spinvelocity)
353 #define	SOLID_PHYSICS_CAPSULE	34		///< physics object (mins, maxs, mass, origin, axis_forward, axis_left, axis_up, velocity, spinvelocity)
354 #define	SOLID_PHYSICS_TRIMESH	35		///< physics object (mins, maxs, mass, origin, axis_forward, axis_left, axis_up, velocity, spinvelocity)
355 #define	SOLID_PHYSICS_CYLINDER	36		///< physics object (mins, maxs, mass, origin, axis_forward, axis_left, axis_up, velocity, spinvelocity)
356 
357 // edict->deadflag values
358 #define	DEAD_NO					0
359 #define	DEAD_DYING				1
360 #define	DEAD_DEAD				2
361 
362 #define	DAMAGE_NO				0
363 #define	DAMAGE_YES				1
364 #define	DAMAGE_AIM				2
365 
366 // edict->flags
367 #define	FL_FLY					1
368 #define	FL_SWIM					2
369 #define	FL_CONVEYOR				4
370 #define	FL_CLIENT				8
371 #define	FL_INWATER				16
372 #define	FL_MONSTER				32
373 #define	FL_GODMODE				64
374 #define	FL_NOTARGET				128
375 #define	FL_ITEM					256
376 #define	FL_ONGROUND				512
377 #define	FL_PARTIALGROUND		1024	///< not all corners are valid
378 #define	FL_WATERJUMP			2048	///< player jumping out of water
379 #define	FL_JUMPRELEASED			4096	///< for jump debouncing
380 
381 #define	SPAWNFLAG_NOT_EASY			256
382 #define	SPAWNFLAG_NOT_MEDIUM		512
383 #define	SPAWNFLAG_NOT_HARD			1024
384 #define	SPAWNFLAG_NOT_DEATHMATCH	2048
385 
386 //============================================================================
387 
388 extern cvar_t coop;
389 extern cvar_t deathmatch;
390 extern cvar_t fraglimit;
391 extern cvar_t gamecfg;
392 extern cvar_t noexit;
393 extern cvar_t nomonsters;
394 extern cvar_t pausable;
395 extern cvar_t pr_checkextension;
396 extern cvar_t samelevel;
397 extern cvar_t saved1;
398 extern cvar_t saved2;
399 extern cvar_t saved3;
400 extern cvar_t saved4;
401 extern cvar_t savedgamecfg;
402 extern cvar_t scratch1;
403 extern cvar_t scratch2;
404 extern cvar_t scratch3;
405 extern cvar_t scratch4;
406 extern cvar_t skill;
407 extern cvar_t slowmo;
408 extern cvar_t sv_accelerate;
409 extern cvar_t sv_aim;
410 extern cvar_t sv_airaccel_qw;
411 extern cvar_t sv_airaccel_sideways_friction;
412 extern cvar_t sv_airaccelerate;
413 extern cvar_t sv_airstopaccelerate;
414 extern cvar_t sv_airstrafeaccelerate;
415 extern cvar_t sv_maxairstrafespeed;
416 extern cvar_t sv_airstrafeaccel_qw;
417 extern cvar_t sv_aircontrol;
418 extern cvar_t sv_aircontrol_power;
419 extern cvar_t sv_aircontrol_penalty;
420 extern cvar_t sv_airspeedlimit_nonqw;
421 extern cvar_t sv_allowdownloads;
422 extern cvar_t sv_allowdownloads_archive;
423 extern cvar_t sv_allowdownloads_config;
424 extern cvar_t sv_allowdownloads_dlcache;
425 extern cvar_t sv_allowdownloads_inarchive;
426 extern cvar_t sv_areagrid_mingridsize;
427 extern cvar_t sv_checkforpacketsduringsleep;
428 extern cvar_t sv_clmovement_enable;
429 extern cvar_t sv_clmovement_minping;
430 extern cvar_t sv_clmovement_minping_disabletime;
431 extern cvar_t sv_clmovement_inputtimeout;
432 extern cvar_t sv_clmovement_maxnetfps;
433 extern cvar_t sv_cullentities_nevercullbmodels;
434 extern cvar_t sv_cullentities_pvs;
435 extern cvar_t sv_cullentities_stats;
436 extern cvar_t sv_cullentities_trace;
437 extern cvar_t sv_cullentities_trace_delay;
438 extern cvar_t sv_cullentities_trace_enlarge;
439 extern cvar_t sv_cullentities_trace_prediction;
440 extern cvar_t sv_cullentities_trace_samples;
441 extern cvar_t sv_cullentities_trace_samples_extra;
442 extern cvar_t sv_debugmove;
443 extern cvar_t sv_echobprint;
444 extern cvar_t sv_edgefriction;
445 extern cvar_t sv_entpatch;
446 extern cvar_t sv_fixedframeratesingleplayer;
447 extern cvar_t sv_freezenonclients;
448 extern cvar_t sv_friction;
449 extern cvar_t sv_gameplayfix_blowupfallenzombies;
450 extern cvar_t sv_gameplayfix_consistentplayerprethink;
451 extern cvar_t sv_gameplayfix_delayprojectiles;
452 extern cvar_t sv_gameplayfix_droptofloorstartsolid;
453 extern cvar_t sv_gameplayfix_droptofloorstartsolid_nudgetocorrect;
454 extern cvar_t sv_gameplayfix_easierwaterjump;
455 extern cvar_t sv_gameplayfix_findradiusdistancetobox;
456 extern cvar_t sv_gameplayfix_gravityunaffectedbyticrate;
457 extern cvar_t sv_gameplayfix_grenadebouncedownslopes;
458 extern cvar_t sv_gameplayfix_multiplethinksperframe;
459 extern cvar_t sv_gameplayfix_noairborncorpse;
460 extern cvar_t sv_gameplayfix_noairborncorpse_allowsuspendeditems;
461 extern cvar_t sv_gameplayfix_nudgeoutofsolid;
462 extern cvar_t sv_gameplayfix_nudgeoutofsolid_separation;
463 extern cvar_t sv_gameplayfix_q2airaccelerate;
464 extern cvar_t sv_gameplayfix_nogravityonground;
465 extern cvar_t sv_gameplayfix_setmodelrealbox;
466 extern cvar_t sv_gameplayfix_slidemoveprojectiles;
467 extern cvar_t sv_gameplayfix_stepdown;
468 extern cvar_t sv_gameplayfix_stepmultipletimes;
469 extern cvar_t sv_gameplayfix_nostepmoveonsteepslopes;
470 extern cvar_t sv_gameplayfix_swiminbmodels;
471 extern cvar_t sv_gameplayfix_upwardvelocityclearsongroundflag;
472 extern cvar_t sv_gameplayfix_downtracesupportsongroundflag;
473 extern cvar_t sv_gameplayfix_q1bsptracelinereportstexture;
474 extern cvar_t sv_gameplayfix_unstickplayers;
475 extern cvar_t sv_gameplayfix_unstickentities;
476 extern cvar_t sv_gameplayfix_fixedcheckwatertransition;
477 extern cvar_t sv_gravity;
478 extern cvar_t sv_idealpitchscale;
479 extern cvar_t sv_jumpstep;
480 extern cvar_t sv_jumpvelocity;
481 extern cvar_t sv_maxairspeed;
482 extern cvar_t sv_maxrate;
483 extern cvar_t sv_maxspeed;
484 extern cvar_t sv_maxvelocity;
485 extern cvar_t sv_nostep;
486 extern cvar_t sv_playerphysicsqc;
487 extern cvar_t sv_progs;
488 extern cvar_t sv_protocolname;
489 extern cvar_t sv_random_seed;
490 extern cvar_t sv_ratelimitlocalplayer;
491 extern cvar_t sv_sound_land;
492 extern cvar_t sv_sound_watersplash;
493 extern cvar_t sv_stepheight;
494 extern cvar_t sv_stopspeed;
495 extern cvar_t sv_wallfriction;
496 extern cvar_t sv_wateraccelerate;
497 extern cvar_t sv_waterfriction;
498 extern cvar_t sv_areadebug;
499 extern cvar_t sys_ticrate;
500 extern cvar_t teamplay;
501 extern cvar_t temp1;
502 extern cvar_t timelimit;
503 
504 extern mempool_t *sv_mempool;
505 
506 /// persistant server info
507 extern server_static_t svs;
508 /// local server
509 extern server_t sv;
510 
511 extern client_t *host_client;
512 
513 //===========================================================
514 
515 void SV_Init (void);
516 
517 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count);
518 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate);
519 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation, qboolean reliable, float speed);
520 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation, float speed);
521 
522 void SV_ConnectClient (int clientnum, netconn_t *netconnection);
523 void SV_DropClient (qboolean crash);
524 
525 void SV_SendClientMessages(void);
526 
527 void SV_ReadClientMessage(void);
528 
529 // precachemode values:
530 // 0 = fail if not precached,
531 // 1 = warn if not found and precache if possible
532 // 2 = precache
533 int SV_ModelIndex(const char *s, int precachemode);
534 int SV_SoundIndex(const char *s, int precachemode);
535 
536 int SV_ParticleEffectIndex(const char *name);
537 
538 dp_model_t *SV_GetModelByIndex(int modelindex);
539 dp_model_t *SV_GetModelFromEdict(prvm_edict_t *ed);
540 
541 void SV_SetIdealPitch (void);
542 
543 void SV_AddUpdates (void);
544 
545 void SV_ClientThink (void);
546 
547 void SV_ClientPrint(const char *msg);
548 void SV_ClientPrintf(const char *fmt, ...) DP_FUNC_PRINTF(1);
549 void SV_BroadcastPrint(const char *msg);
550 void SV_BroadcastPrintf(const char *fmt, ...) DP_FUNC_PRINTF(1);
551 
552 void SV_Physics (void);
553 void SV_Physics_ClientMove (void);
554 //void SV_Physics_ClientEntity (prvm_edict_t *ent);
555 
556 qboolean SV_PlayerCheckGround (prvm_edict_t *ent);
557 qboolean SV_CheckBottom (prvm_edict_t *ent);
558 qboolean SV_movestep (prvm_edict_t *ent, vec3_t move, qboolean relink, qboolean noenemy, qboolean settrace);
559 
560 /*! Needs to be called any time an entity changes origin, mins, maxs, or solid
561  * sets ent->v.absmin and ent->v.absmax
562  * call TouchAreaGrid as well to fire triggers that overlap the box
563  */
564 void SV_LinkEdict(prvm_edict_t *ent);
565 void SV_LinkEdict_TouchAreaGrid(prvm_edict_t *ent);
566 void SV_LinkEdict_TouchAreaGrid_Call(prvm_edict_t *touch, prvm_edict_t *ent); // if we detected a touch from another source
567 
568 /*! move an entity that is stuck by small amounts in various directions to try to nudge it back into the collision hull
569  * returns true if it found a better place
570  */
571 qboolean SV_UnstickEntity (prvm_edict_t *ent);
572 /*! move an entity that is stuck out of the surface it is stuck in (can move large amounts)
573  * returns true if it found a better place
574  */
575 qboolean SV_NudgeOutOfSolid(prvm_edict_t *ent);
576 
577 /// calculates hitsupercontentsmask for a generic qc entity
578 int SV_GenericHitSuperContentsMask(const prvm_edict_t *edict);
579 /// traces a box move against worldmodel and all entities in the specified area
580 trace_t SV_TraceBox(const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int type, prvm_edict_t *passedict, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask, float extend);
581 trace_t SV_TraceLine(const vec3_t start, const vec3_t end, int type, prvm_edict_t *passedict, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask, float extend);
582 trace_t SV_TracePoint(const vec3_t start, int type, prvm_edict_t *passedict, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask);
583 int SV_EntitiesInBox(const vec3_t mins, const vec3_t maxs, int maxedicts, prvm_edict_t **resultedicts);
584 
585 qboolean SV_CanSeeBox(int numsamples, vec_t eyejitter, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs);
586 
587 int SV_PointSuperContents(const vec3_t point);
588 
589 void SV_FlushBroadcastMessages(void);
590 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats);
591 
592 void VM_SV_MoveToGoal(prvm_prog_t *prog);
593 
594 void SV_ApplyClientMove (void);
595 void SV_SaveSpawnparms (void);
596 void SV_SpawnServer (const char *server);
597 
598 void SV_CheckVelocity (prvm_edict_t *ent);
599 
600 void SV_SetupVM(void);
601 
602 const char *Host_TimingReport(char *buf, size_t buflen); ///< for output in Host_Status_f
603 
604 int SV_GetPitchSign(prvm_prog_t *prog, prvm_edict_t *ent);
605 void SV_GetEntityMatrix(prvm_prog_t *prog, prvm_edict_t *ent, matrix4x4_t *out, qboolean viewmatrix);
606 
607 void SV_StartThread(void);
608 void SV_StopThread(void);
609 #define SV_LockThreadMutex() (void)(svs.threaded ? Thread_LockMutex(svs.threadmutex) : 0)
610 #define SV_UnlockThreadMutex() (void)(svs.threaded ? Thread_UnlockMutex(svs.threadmutex) : 0)
611 
612 void VM_CustomStats_Clear(void);
613 void VM_SV_UpdateCustomStats(client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats);
614 void Host_Savegame_to(prvm_prog_t *prog, const char *name);
615 void SV_SendServerinfo(client_t *client);
616 
617 #endif
618 
619