]> icculus.org git repositories - divverent/nexuiz.git/blob - data/qcsrc/server/miscfunctions.qc
support settable attenuation for pointparticles
[divverent/nexuiz.git] / data / qcsrc / server / miscfunctions.qc
1 var void remove(entity e);
2 void objerror(string s);
3 void droptofloor();
4 .vector dropped_origin;
5
6 void() spawnfunc_info_player_deathmatch; // needed for the other spawnpoints
7 void() spawnpoint_use;
8 string ColoredTeamName(float t);
9
10 float RandomSelection_totalweight;
11 float RandomSelection_best_priority;
12 entity RandomSelection_chosen_ent;
13 float RandomSelection_chosen_float;
14 void RandomSelection_Init()
15 {
16         RandomSelection_totalweight = 0;
17         RandomSelection_chosen_ent = world;
18         RandomSelection_chosen_float = 0;
19         RandomSelection_best_priority = -1;
20 }
21 void RandomSelection_Add(entity e, float f, float weight, float priority)
22 {
23         if(priority > RandomSelection_best_priority)
24         {
25                 RandomSelection_best_priority = priority;
26                 RandomSelection_chosen_ent = e;
27                 RandomSelection_chosen_float = f;
28                 RandomSelection_totalweight = weight;
29         }
30         else if(priority == RandomSelection_best_priority)
31         {
32                 RandomSelection_totalweight += weight;
33                 if(random() * RandomSelection_totalweight <= weight)
34                 {
35                         RandomSelection_chosen_ent = e;
36                         RandomSelection_chosen_float = f;
37                 }
38         }
39 }
40
41 float DistributeEvenly_amount;
42 float DistributeEvenly_totalweight;
43 void DistributeEvenly_Init(float amount, float totalweight)
44 {
45         if(DistributeEvenly_amount)
46         {
47                 dprint("DistributeEvenly_Init: UNFINISHED DISTRIBUTION (", ftos(DistributeEvenly_amount), " for ");
48                 dprint(ftos(DistributeEvenly_totalweight), " left!)\n");
49         }
50         if(totalweight == 0)
51                 DistributeEvenly_amount = 0;
52         else
53                 DistributeEvenly_amount = amount;
54         DistributeEvenly_totalweight = totalweight;
55 }
56 float DistributeEvenly_Get(float weight)
57 {
58         float f;
59         if(weight <= 0)
60                 return 0;
61         f = floor(0.5 + DistributeEvenly_amount * weight / DistributeEvenly_totalweight);
62         DistributeEvenly_totalweight -= weight;
63         DistributeEvenly_amount -= f;
64         return f;
65 }
66
67 void move_out_of_solid_expand(entity e, vector by)
68 {
69         float eps = 0.0625;
70         tracebox(e.origin, e.mins - '1 1 1' * eps, e.maxs + '1 1 1' * eps, e.origin + by, MOVE_WORLDONLY, e);
71         if(trace_startsolid)
72                 return;
73         if(trace_fraction < 1)
74         {
75                 // hit something
76                 // adjust origin in the other direction...
77                 e.origin = e.origin - by * (1 - trace_fraction);
78         }
79 }
80
81 float move_out_of_solid(entity e)
82 {
83         vector o, m0, m1;
84
85         o = e.origin;
86         traceline(o, o, MOVE_WORLDONLY, e);
87         if(trace_startsolid)
88                 return 0;
89
90         tracebox(o, e.mins, e.maxs, o, MOVE_WORLDONLY, e);
91         if(!trace_startsolid)
92                 return 1;
93
94         m0 = e.mins;
95         m1 = e.maxs;
96         e.mins = '0 0 0';
97         e.maxs = '0 0 0';
98         move_out_of_solid_expand(e, '1 0 0' * m0_x); e.mins_x = m0_x;
99         move_out_of_solid_expand(e, '1 0 0' * m1_x); e.maxs_x = m1_x;
100         move_out_of_solid_expand(e, '0 1 0' * m0_y); e.mins_y = m0_y;
101         move_out_of_solid_expand(e, '0 1 0' * m1_y); e.maxs_y = m1_y;
102         move_out_of_solid_expand(e, '0 0 1' * m0_z); e.mins_z = m0_z;
103         move_out_of_solid_expand(e, '0 0 1' * m1_z); e.maxs_z = m1_z;
104         setorigin(e, e.origin);
105
106         tracebox(e.origin, e.mins, e.maxs, e.origin, MOVE_WORLDONLY, e);
107         if(trace_startsolid)
108         {
109                 setorigin(e, o);
110                 return 0;
111         }
112
113         return 1;
114 }
115
116 string STR_PLAYER = "player";
117 string STR_SPECTATOR = "spectator";
118 string STR_OBSERVER = "observer";
119
120 #if 0
121 #define FOR_EACH_CLIENT(v) for(v = world; (v = findflags(v, flags, FL_CLIENT)) != world; )
122 #define FOR_EACH_REALCLIENT(v) FOR_EACH_CLIENT(v) if(clienttype(v) == CLIENTTYPE_REAL)
123 #define FOR_EACH_PLAYER(v) for(v = world; (v = find(v, classname, STR_PLAYER)) != world; )
124 #define FOR_EACH_REALPLAYER(v) FOR_EACH_PLAYER(v) if(clienttype(v) == CLIENTTYPE_REAL)
125 #else
126 #define FOR_EACH_CLIENTSLOT(v) for(v = world; (v = nextent(v)) && (num_for_edict(v) <= maxclients); )
127 #define FOR_EACH_CLIENT(v) FOR_EACH_CLIENTSLOT(v) if(v.flags & FL_CLIENT)
128 #define FOR_EACH_REALCLIENT(v) FOR_EACH_CLIENT(v) if(clienttype(v) == CLIENTTYPE_REAL)
129 #define FOR_EACH_PLAYER(v) FOR_EACH_CLIENT(v) if(v.classname == STR_PLAYER)
130 #define FOR_EACH_REALPLAYER(v) FOR_EACH_REALCLIENT(v) if(v.classname == STR_PLAYER)
131 #endif
132
133 // copies a string to a tempstring (so one can strunzone it)
134 string strcat1(string s) = #115; // FRIK_FILE
135
136 float logfile_open;
137 float logfile;
138
139 void bcenterprint(string s)
140 {
141         // TODO replace by MSG_ALL (would show it to spectators too, though)?
142         entity head;
143         FOR_EACH_PLAYER(head)
144                 if(clienttype(head) == CLIENTTYPE_REAL)
145                         centerprint(head, s);
146 }
147
148 void GameLogEcho(string s)
149 {
150         string fn;
151         float matches;
152
153         if(cvar("sv_eventlog_files"))
154         {
155                 if(!logfile_open)
156                 {
157                         logfile_open = TRUE;
158                         matches = cvar("sv_eventlog_files_counter") + 1;
159                         cvar_set("sv_eventlog_files_counter", ftos(matches));
160                         fn = ftos(matches);
161                         if(strlen(fn) < 8)
162                                 fn = strcat(substring("00000000", 0, 8 - strlen(fn)), fn);
163                         fn = strcat(cvar_string("sv_eventlog_files_nameprefix"), fn, cvar_string("sv_eventlog_files_namesuffix"));
164                         logfile = fopen(fn, FILE_APPEND);
165                         fputs(logfile, ":logversion:3\n");
166                 }
167                 if(logfile >= 0)
168                 {
169                         if(cvar("sv_eventlog_files_timestamps"))
170                                 fputs(logfile, strcat(":time:", strftime(TRUE, "%Y-%m-%d %H:%M:%S", "\n", s, "\n")));
171                         else
172                                 fputs(logfile, strcat(s, "\n"));
173                 }
174         }
175         if(cvar("sv_eventlog_console"))
176         {
177                 print(s, "\n");
178         }
179 }
180
181 void GameLogInit()
182 {
183         logfile_open = 0;
184         // will be opened later
185 }
186
187 void GameLogClose()
188 {
189         if(logfile_open && logfile >= 0)
190         {
191                 fclose(logfile);
192                 logfile = -1;
193         }
194 }
195
196 float spawnpoint_nag;
197 void relocate_spawnpoint()
198 {
199         // nudge off the floor
200         setorigin(self, self.origin + '0 0 1');
201
202         tracebox(self.origin, PL_MIN, PL_MAX, self.origin, TRUE, self);
203         if (trace_startsolid)
204         {
205                 vector o;
206                 o = self.origin;
207                 self.mins = PL_MIN;
208                 self.maxs = PL_MAX;
209                 if(!move_out_of_solid(self))
210                         objerror("could not get out of solid at all!");
211                 print("^1NOTE: this map needs FIXING. Spawnpoint at ", vtos(o - '0 0 1'));
212                 print(" needs to be moved out of solid, e.g. by '", ftos(self.origin_x - o_x));
213                 print(" ", ftos(self.origin_y - o_y));
214                 print(" ", ftos(self.origin_z - o_z), "'\n");
215                 if(cvar("g_spawnpoints_auto_move_out_of_solid"))
216                 {
217                         if(!spawnpoint_nag)
218                                 print("\{1}^1NOTE: this map needs FIXING (it contains spawnpoints in solid, see server log)\n");
219                         spawnpoint_nag = 1;
220                 }
221                 else
222                 {
223                         self.origin = o;
224                         self.mins = self.maxs = '0 0 0';
225                         objerror("player spawn point in solid, mapper sucks!\n");
226                         return;
227                 }
228         }
229
230         if(cvar("g_spawnpoints_autodrop"))
231         {
232                 setsize(self, PL_MIN, PL_MAX);
233                 droptofloor();
234         }
235
236         self.use = spawnpoint_use;
237         self.team_saved = self.team;
238         if(!self.cnt)
239                 self.cnt = 1;
240
241         if(g_ctf || g_assault || g_onslaught || g_domination)
242         if(self.team)
243                 have_team_spawns = 1;
244
245         if(cvar("r_showbboxes"))
246         {
247                 // show where spawnpoints point at too
248                 makevectors(self.angles);
249                 entity e;
250                 e = spawn();
251                 e.classname = "info_player_foo";
252                 setorigin(e, self.origin + v_forward * 24);
253                 setsize(e, '-8 -8 -8', '8 8 8');
254                 e.solid = SOLID_TRIGGER;
255         }
256 }
257
258 #define strstr strstrofs
259 /*
260 // NOTE: DO NOT USE THIS FUNCTION TOO OFTEN.
261 // IT WILL MOST PROBABLY DESTROY _ALL_ OTHER TEMP
262 // STRINGS AND TAKE QUITE LONG. haystack and needle MUST
263 // BE CONSTANT OR strzoneD!
264 float strstr(string haystack, string needle, float offset)
265 {
266         float len, endpos;
267         string found;
268         len = strlen(needle);
269         endpos = strlen(haystack) - len;
270         while(offset <= endpos)
271         {
272                 found = substring(haystack, offset, len);
273                 if(found == needle)
274                         return offset;
275                 offset = offset + 1;
276         }
277         return -1;
278 }
279 */
280
281 float NUM_NEAREST_ENTITIES = 4;
282 entity nearest_entity[NUM_NEAREST_ENTITIES];
283 float nearest_length[NUM_NEAREST_ENTITIES];
284 entity findnearest(vector point, .string field, string value, vector axismod)
285 {
286         entity localhead;
287         float i;
288         float j;
289         float len;
290         vector dist;
291
292         float num_nearest;
293         num_nearest = 0;
294
295         localhead = find(world, field, value);
296         while(localhead)
297         {
298                 if((localhead.items == IT_KEY1 || localhead.items == IT_KEY2) && localhead.target == "###item###")
299                         dist = localhead.oldorigin;
300                 else
301                         dist = localhead.origin;
302                 dist = dist - point;
303                 dist = dist_x * axismod_x * '1 0 0' + dist_y * axismod_y * '0 1 0' + dist_z * axismod_z * '0 0 1';
304                 len = vlen(dist);
305
306                 for(i = 0; i < num_nearest; ++i)
307                 {
308                         if(len < nearest_length[i])
309                                 break;
310                 }
311
312                 // now i tells us where to insert at
313                 //   INSERTION SORT! YOU'VE SEEN IT! RUN!
314                 if(i < NUM_NEAREST_ENTITIES)
315                 {
316                         for(j = NUM_NEAREST_ENTITIES - 1; j >= i; --j)
317                         {
318                                 nearest_length[j + 1] = nearest_length[j];
319                                 nearest_entity[j + 1] = nearest_entity[j];
320                         }
321                         nearest_length[i] = len;
322                         nearest_entity[i] = localhead;
323                         if(num_nearest < NUM_NEAREST_ENTITIES)
324                                 num_nearest = num_nearest + 1;
325                 }
326
327                 localhead = find(localhead, field, value);
328         }
329
330         // now use the first one from our list that we can see
331         for(i = 0; i < num_nearest; ++i)
332         {
333                 traceline(point, nearest_entity[i].origin, TRUE, world);
334                 if(trace_fraction == 1)
335                 {
336                         if(i != 0)
337                         {
338                                 dprint("Nearest point (");
339                                 dprint(nearest_entity[0].netname);
340                                 dprint(") is not visible, using a visible one.\n");
341                         }
342                         return nearest_entity[i];
343                 }
344         }
345
346         if(num_nearest == 0)
347                 return world;
348
349         dprint("Not seeing any location point, using nearest as fallback.\n");
350         /* DEBUGGING CODE:
351         dprint("Candidates were: ");
352         for(j = 0; j < num_nearest; ++j)
353         {
354                 if(j != 0)
355                         dprint(", ");
356                 dprint(nearest_entity[j].netname);
357         }
358         dprint("\n");
359         */
360
361         return nearest_entity[0];
362 }
363
364 void spawnfunc_target_location()
365 {
366         self.classname = "target_location";
367         // location name in netname
368         // eventually support: count, teamgame selectors, line of sight?
369 };
370
371 void spawnfunc_info_location()
372 {
373         self.classname = "target_location";
374         self.message = self.netname;
375 };
376
377 string NearestLocation(vector p)
378 {
379         entity loc;
380         string ret;
381         ret = "somewhere";
382         loc = findnearest(p, classname, "target_location", '1 1 1');
383         if(loc)
384         {
385                 ret = loc.message;
386         }
387         else
388         {
389                 loc = findnearest(p, target, "###item###", '1 1 4');
390                 if(loc)
391                         ret = loc.netname;
392         }
393         return ret;
394 }
395
396 string formatmessage(string msg)
397 {
398         float p, p1, p2;
399         float n;
400         string escape;
401         string replacement;
402         p = 0;
403         n = 7;
404         while(1)
405         {
406                 if(n < 1)
407                         break; // too many replacements
408                 n = n - 1;
409                 p1 = strstr(msg, "%", p); // NOTE: this destroys msg as it's a tempstring!
410                 p2 = strstr(msg, "\\", p); // NOTE: this destroys msg as it's a tempstring!
411
412                 if(p1 < 0)
413                         p1 = p2;
414                 if(p2 < 0)
415                         p2 = p1;
416                 p = min(p1, p2);
417                 
418                 if(p < 0)
419                         break;
420                 replacement = substring(msg, p, 2);
421                 escape = substring(msg, p + 1, 1);
422                 if(escape == "%")
423                         replacement = "%";
424                 else if(escape == "\\")
425                         replacement = "\\";
426                 else if(escape == "n")
427                         replacement = "\n";
428                 else if(escape == "a")
429                         replacement = ftos(floor(self.armorvalue));
430                 else if(escape == "h")
431                         replacement = ftos(floor(self.health));
432                 else if(escape == "l")
433                         replacement = NearestLocation(self.origin);
434                 else if(escape == "y")
435                         replacement = NearestLocation(self.cursor_trace_endpos);
436                 else if(escape == "d")
437                         replacement = NearestLocation(self.death_origin);
438                 else if(escape == "w")
439                 {
440                         float wep;
441                         wep = self.weapon;
442                         if(!wep)
443                                 wep = self.switchweapon;
444                         if(!wep)
445                                 wep = self.cnt;
446                         replacement = W_Name(wep);
447                 }
448                 else if(escape == "W")
449                 {
450                         if(self.items & IT_SHELLS) replacement = "shells";
451                         else if(self.items & IT_NAILS) replacement = "bullets";
452                         else if(self.items & IT_ROCKETS) replacement = "rockets";
453                         else if(self.items & IT_CELLS) replacement = "cells";
454                         else replacement = "batteries"; // ;)
455                 }
456                 else if(escape == "x")
457                 {
458                         replacement = self.cursor_trace_ent.netname;
459                         if(!replacement || !self.cursor_trace_ent)
460                                 replacement = "nothing";
461                 }
462                 else if(escape == "p")
463                 {
464                         if(self.last_selected_player)
465                                 replacement = self.last_selected_player.netname;
466                         else
467                                 replacement = "(nobody)";
468                 }
469                 msg = strcat(substring(msg, 0, p), replacement, substring(msg, p+2, strlen(msg) - (p+2)));
470                 p = p + strlen(replacement);
471         }
472         return msg;
473 }
474
475 /*
476 =============
477 GetCvars
478 =============
479 Called with:
480   0:  sends the request
481   >0: receives a cvar from name=argv(f) value=argv(f+1)
482 */
483 void GetCvars_handleString(string thisname, float f, .string field, string name)
484 {
485         if(f < 0)
486         {
487                 if(self.field)
488                         strunzone(self.field);
489                 self.field = string_null;
490         }
491         else if(f > 0)
492         {
493                 if(thisname == name)
494                 {
495                         if(self.field)
496                                 strunzone(self.field);
497                         self.field = strzone(argv(f + 1));
498                 }
499         }
500         else
501                 stuffcmd(self, strcat("sendcvar ", name, "\n"));
502 }
503 void GetCvars_handleString_Fixup(string thisname, float f, .string field, string name, string(string) func)
504 {
505         GetCvars_handleString(thisname, f, field, name);
506         if(f >= 0) // also initialize to the fitting value for "" when sending cvars out
507         if(thisname == name)
508         {
509                 string s;
510                 s = func(strcat1(self.field));
511                 if(s != self.field)
512                 {
513                         strunzone(self.field);
514                         self.field = strzone(s);
515                 }
516         }
517 }
518 void GetCvars_handleFloat(string thisname, float f, .float field, string name)
519 {
520         if(f < 0)
521         {
522         }
523         else if(f > 0)
524         {
525                 if(thisname == name)
526                         self.field = stof(argv(f + 1));
527         }
528         else
529                 stuffcmd(self, strcat("sendcvar ", name, "\n"));
530 }
531 string W_FixWeaponOrder_ForceComplete(string s);
532 string W_FixWeaponOrder_AllowIncomplete(string s);
533 float w_getbestweapon(entity e);
534 void GetCvars(float f)
535 {
536         string s;
537         if(f > 0)
538                 s = strcat1(argv(f));
539         GetCvars_handleFloat(s, f, autoswitch, "cl_autoswitch");
540         GetCvars_handleFloat(s, f, cvar_cl_playerdetailreduction, "cl_playerdetailreduction");
541         GetCvars_handleFloat(s, f, cvar_scr_centertime, "scr_centertime");
542         GetCvars_handleFloat(s, f, cvar_cl_shownames, "cl_shownames");
543         GetCvars_handleString(s, f, cvar_g_nexuizversion, "g_nexuizversion");
544         GetCvars_handleFloat(s, f, cvar_cl_handicap, "cl_handicap");
545         GetCvars_handleString_Fixup(s, f, cvar_cl_weaponpriority, "cl_weaponpriority", W_FixWeaponOrder_ForceComplete);
546         GetCvars_handleString_Fixup(s, f, cvar_cl_weaponpriorities[0], "cl_weaponpriority0", W_FixWeaponOrder_AllowIncomplete);
547         GetCvars_handleString_Fixup(s, f, cvar_cl_weaponpriorities[1], "cl_weaponpriority1", W_FixWeaponOrder_AllowIncomplete);
548         GetCvars_handleString_Fixup(s, f, cvar_cl_weaponpriorities[2], "cl_weaponpriority2", W_FixWeaponOrder_AllowIncomplete);
549         GetCvars_handleString_Fixup(s, f, cvar_cl_weaponpriorities[3], "cl_weaponpriority3", W_FixWeaponOrder_AllowIncomplete);
550         GetCvars_handleString_Fixup(s, f, cvar_cl_weaponpriorities[4], "cl_weaponpriority4", W_FixWeaponOrder_AllowIncomplete);
551         GetCvars_handleString_Fixup(s, f, cvar_cl_weaponpriorities[5], "cl_weaponpriority5", W_FixWeaponOrder_AllowIncomplete);
552         GetCvars_handleString_Fixup(s, f, cvar_cl_weaponpriorities[6], "cl_weaponpriority6", W_FixWeaponOrder_AllowIncomplete);
553         GetCvars_handleString_Fixup(s, f, cvar_cl_weaponpriorities[7], "cl_weaponpriority7", W_FixWeaponOrder_AllowIncomplete);
554         GetCvars_handleString_Fixup(s, f, cvar_cl_weaponpriorities[8], "cl_weaponpriority8", W_FixWeaponOrder_AllowIncomplete);
555         GetCvars_handleString_Fixup(s, f, cvar_cl_weaponpriorities[9], "cl_weaponpriority9", W_FixWeaponOrder_AllowIncomplete);
556         GetCvars_handleFloat(s, f, cvar_cl_autotaunt, "cl_autotaunt");
557         GetCvars_handleFloat(s, f, cvar_cl_voice_directional, "cl_voice_directional");
558         GetCvars_handleFloat(s, f, cvar_cl_voice_directional_taunt_attenuation, "cl_voice_directional_taunt_attenuation");
559         GetCvars_handleFloat(s, f, cvar_cl_hitsound, "cl_hitsound");
560
561         // fixup of switchweapon (needed for LMS or when spectating is disabled, as PutClientInServer comes too early)
562         if(f > 0)
563         {
564                 if(s == "cl_weaponpriority")
565                         self.switchweapon = w_getbestweapon(self);
566         }
567 }
568
569 float fexists(string f)
570 {
571         float fh;
572         fh = fopen(f, FILE_READ);
573         if(fh < 0)
574                 return FALSE;
575         fclose(fh);
576         return TRUE;
577 }
578
579 void backtrace(string msg)
580 {
581         float dev;
582         dev = cvar("developer");
583         cvar_set("developer", "1");
584         dprint("\n");
585         dprint("--- CUT HERE ---\nWARNING: ");
586         dprint(msg);
587         dprint("\n");
588         remove(world); // isn't there any better way to cause a backtrace?
589         dprint("\n--- CUT UNTIL HERE ---\n");
590         cvar_set("developer", ftos(dev));
591 }
592
593 string Team_ColorCode(float teamid)
594 {
595         if(teamid == COLOR_TEAM1)
596                 return "^1";
597         else if(teamid == COLOR_TEAM2)
598                 return "^4";
599         else if(teamid == COLOR_TEAM3)
600                 return "^3";
601         else if(teamid == COLOR_TEAM4)
602                 return "^6";
603         else
604                 return "^7";
605 }
606 string Team_ColorName(float t)
607 {
608         // fixme: Search for team entities and get their .netname's!
609         if(t == COLOR_TEAM1)
610                 return "Red";
611         if(t == COLOR_TEAM2)
612                 return "Blue";
613         if(t == COLOR_TEAM3)
614                 return "Yellow";
615         if(t == COLOR_TEAM4)
616                 return "Pink";
617         return "Neutral";
618 }
619 string Team_ColorNameLowerCase(float t)
620 {
621         // fixme: Search for team entities and get their .netname's!
622         if(t == COLOR_TEAM1)
623                 return "red";
624         if(t == COLOR_TEAM2)
625                 return "blue";
626         if(t == COLOR_TEAM3)
627                 return "yellow";
628         if(t == COLOR_TEAM4)
629                 return "pink";
630         return "neutral";
631 }
632
633 #define CENTERPRIO_POINT 1
634 #define CENTERPRIO_SPAM 2
635 #define CENTERPRIO_VOTE 4
636 #define CENTERPRIO_NORMAL 5
637 #define CENTERPRIO_SHIELDING 7
638 #define CENTERPRIO_MAPVOTE 9
639 #define CENTERPRIO_IDLEKICK 50
640 #define CENTERPRIO_ADMIN 99
641 .float centerprint_priority;
642 .float centerprint_expires;
643 void centerprint_atprio(entity e, float prio, string s)
644 {
645         if(intermission_running)
646                 if(prio < CENTERPRIO_MAPVOTE)
647                         return;
648         if(time > e.centerprint_expires)
649                 e.centerprint_priority = 0;
650         if(prio >= e.centerprint_priority)
651         {
652                 e.centerprint_priority = prio;
653                 if(timeoutStatus == 2)
654                         e.centerprint_expires = time + (e.cvar_scr_centertime * TIMEOUT_SLOWMO_VALUE);
655                 else
656                         e.centerprint_expires = time + e.cvar_scr_centertime;
657                 centerprint_builtin(e, s);
658         }
659 }
660 void centerprint_expire(entity e, float prio)
661 {
662         if(prio == e.centerprint_priority)
663         {
664                 e.centerprint_priority = 0;
665                 centerprint_builtin(e, "");
666         }
667 }
668 void centerprint(entity e, string s)
669 {
670         centerprint_atprio(e, CENTERPRIO_NORMAL, s);
671 }
672
673 // decolorizes and team colors the player name when needed
674 string playername(entity p)
675 {
676         string t;
677         if(teams_matter && !intermission_running && p.classname == "player")
678         {
679                 t = Team_ColorCode(p.team);
680                 return strcat(t, strdecolorize(p.netname));
681         }
682         else
683                 return p.netname;
684 }
685
686 vector randompos(vector m1, vector m2)
687 {
688         local vector v;
689         m2 = m2 - m1;
690         v_x = m2_x * random() + m1_x;
691         v_y = m2_y * random() + m1_y;
692         v_z = m2_z * random() + m1_z;
693         return  v;
694 };
695
696 float g_pickup_shells;
697 float g_pickup_shells_max;
698 float g_pickup_nails;
699 float g_pickup_nails_max;
700 float g_pickup_rockets;
701 float g_pickup_rockets_max;
702 float g_pickup_cells;
703 float g_pickup_cells_max;
704 float g_pickup_fuel;
705 float g_pickup_fuel_jetpack;
706 float g_pickup_fuel_max;
707 float g_pickup_armorsmall;
708 float g_pickup_armorsmall_max;
709 float g_pickup_armormedium;
710 float g_pickup_armormedium_max;
711 float g_pickup_armorbig;
712 float g_pickup_armorbig_max;
713 float g_pickup_armorlarge;
714 float g_pickup_armorlarge_max;
715 float g_pickup_healthsmall;
716 float g_pickup_healthsmall_max;
717 float g_pickup_healthmedium;
718 float g_pickup_healthmedium_max;
719 float g_pickup_healthlarge;
720 float g_pickup_healthlarge_max;
721 float g_pickup_healthmega;
722 float g_pickup_healthmega_max;
723 float g_weaponarena;
724 string g_weaponarena_list;
725
726 float start_weapons;
727 float start_items;
728 float start_ammo_shells;
729 float start_ammo_nails;
730 float start_ammo_rockets;
731 float start_ammo_cells;
732 float start_ammo_fuel;
733 float start_health;
734 float start_armorvalue;
735 float warmup_start_weapons;
736 float warmup_start_ammo_shells;
737 float warmup_start_ammo_nails;
738 float warmup_start_ammo_rockets;
739 float warmup_start_ammo_cells;
740 float warmup_start_ammo_fuel;
741 float warmup_start_health;
742 float warmup_start_armorvalue;
743 float g_weapon_stay;
744
745 entity get_weaponinfo(float w);
746
747 void readplayerstartcvars()
748 {
749         entity e;
750         float i, j, t;
751         string s;
752
753         // initialize starting values for players
754         start_weapons = 0;
755         start_items = 0;
756         start_ammo_shells = 0;
757         start_ammo_nails = 0;
758         start_ammo_rockets = 0;
759         start_ammo_cells = 0;
760         start_health = cvar("g_balance_health_start");
761         start_armorvalue = cvar("g_balance_armor_start");
762
763         g_weaponarena = 0;
764         s = cvar_string("g_weaponarena");
765         if(s == "0")
766         {
767         }
768         else if(s == "all")
769         {
770                 g_weaponarena_list = "All Weapons";
771                 for(j = WEP_FIRST; j <= WEP_LAST; ++j)
772                 {
773                         e = get_weaponinfo(j);
774                         g_weaponarena |= e.weapons;
775                         weapon_action(e.weapon, WR_PRECACHE);
776                 }
777         }
778         else if(s == "most")
779         {
780                 g_weaponarena_list = "Most Weapons";
781                 for(j = WEP_FIRST; j <= WEP_LAST; ++j)
782                 {
783                         e = get_weaponinfo(j);
784                         if(e.spawnflags & WEPSPAWNFLAG_NORMAL)
785                         {
786                                 g_weaponarena |= e.weapons;
787                                 weapon_action(e.weapon, WR_PRECACHE);
788                         }
789                 }
790         }
791         else
792         {
793                 t = tokenize_sane(s);
794                 g_weaponarena_list = "";
795                 for(i = 0; i < t; ++i)
796                 {
797                         s = argv(i);
798                         for(j = WEP_FIRST; j <= WEP_LAST; ++j)
799                         {
800                                 e = get_weaponinfo(j);
801                                 if(e.netname == s)
802                                 {
803                                         g_weaponarena |= e.weapons;
804                                         weapon_action(e.weapon, WR_PRECACHE);
805                                         g_weaponarena_list = strcat(g_weaponarena_list, e.message, " & ");
806                                         break;
807                                 }
808                         }
809                         if(j > WEP_LAST)
810                         {
811                                 print("The weapon mutator list contains an unknown weapon ", s, ". Skipped.\n");
812                         }
813                 }
814                 g_weaponarena_list = strzone(substring(g_weaponarena_list, 0, strlen(g_weaponarena_list) - 3));
815         }
816
817         if(g_weaponarena)
818         {
819                 start_weapons = g_weaponarena;
820                 start_ammo_rockets = 999;
821                 start_ammo_shells = 999;
822                 start_ammo_cells = 999;
823                 start_ammo_nails = 999;
824                 start_ammo_fuel = 999;
825                 start_items |= IT_UNLIMITED_AMMO;
826         }
827         else if(g_nixnex)
828         {
829                 start_weapons = 0;
830                 // will be done later
831                 for(i = WEP_FIRST; i <= WEP_LAST; ++i)
832                 {
833                         e = get_weaponinfo(i);
834                         if(!(e.weapon))
835                                 continue;
836                         weapon_action(e.weapon, WR_PRECACHE);
837                 }
838         }
839         else if(g_minstagib)
840         {
841                 start_health = 100;
842                 start_armorvalue = 0;
843                 start_weapons = WEPBIT_MINSTANEX;
844                 weapon_action(WEP_MINSTANEX, WR_PRECACHE);
845                 start_ammo_cells = cvar("g_minstagib_ammo_start");
846                 g_minstagib_invis_alpha = cvar("g_minstagib_invis_alpha");
847                 start_ammo_fuel = cvar("g_start_ammo_fuel");
848
849                 if(g_minstagib_invis_alpha <= 0)
850                         g_minstagib_invis_alpha = -1;
851         }
852         else
853         {
854                 if(g_lms)
855                 {
856                         start_ammo_shells = cvar("g_lms_start_ammo_shells");
857                         start_ammo_nails = cvar("g_lms_start_ammo_nails");
858                         start_ammo_rockets = cvar("g_lms_start_ammo_rockets");
859                         start_ammo_cells = cvar("g_lms_start_ammo_cells");
860                         start_ammo_fuel = cvar("g_lms_start_ammo_fuel");
861                         start_health = cvar("g_lms_start_health");
862                         start_armorvalue = cvar("g_lms_start_armor");
863                 } else if (cvar("g_use_ammunition")) {
864                         start_ammo_shells = cvar("g_start_ammo_shells");
865                         start_ammo_nails = cvar("g_start_ammo_nails");
866                         start_ammo_rockets = cvar("g_start_ammo_rockets");
867                         start_ammo_cells = cvar("g_start_ammo_cells");
868                         start_ammo_fuel = cvar("g_start_ammo_fuel");
869                 } else {
870                         start_ammo_shells = cvar("g_pickup_shells_max");
871                         start_ammo_nails = cvar("g_pickup_nails_max");
872                         start_ammo_rockets = cvar("g_pickup_rockets_max");
873                         start_ammo_cells = cvar("g_pickup_cells_max");
874                         start_ammo_fuel = cvar("g_pickup_fuel_max");
875                         start_items |= IT_UNLIMITED_AMMO;
876                 }
877
878                 for(i = WEP_FIRST; i <= WEP_LAST; ++i)
879                 {
880                         e = get_weaponinfo(i);
881                         if(!(e.weapon))
882                                 continue;
883
884                         t = cvar(strcat("g_start_weapon_", e.netname));
885
886                         if(t < 0) // "default" weapon selection
887                         {
888                                 if(g_lms)
889                                         t = (e.spawnflags & WEPSPAWNFLAG_NORMAL);
890                                 else if(g_race)
891                                         t = (i == WEP_LASER);
892                                 else
893                                         t = (i == WEP_LASER || i == WEP_SHOTGUN);
894                                 if(g_grappling_hook) // if possible, redirect off-hand hook to on-hand hook
895                                         t += (i == WEP_HOOK);
896                         }
897
898                         if(t)
899                         {
900                                 start_weapons |= e.weapons;
901                                 weapon_action(e.weapon, WR_PRECACHE);
902                         }
903                 }
904         }
905
906         if(inWarmupStage)
907         {
908                 warmup_start_ammo_shells = start_ammo_shells;
909                 warmup_start_ammo_nails = start_ammo_nails;
910                 warmup_start_ammo_rockets = start_ammo_rockets;
911                 warmup_start_ammo_cells = start_ammo_cells;
912                 warmup_start_health = start_health;
913                 warmup_start_armorvalue = start_armorvalue;
914                 warmup_start_weapons = start_weapons;
915
916                 if(!g_weaponarena && !g_nixnex && !g_minstagib)
917                 {
918                         if(cvar("g_use_ammunition"))
919                         {
920                                 warmup_start_ammo_shells = cvar("g_warmup_start_ammo_shells");
921                                 warmup_start_ammo_cells = cvar("g_warmup_start_ammo_cells");
922                                 warmup_start_ammo_nails = cvar("g_warmup_start_ammo_nails");
923                                 warmup_start_ammo_rockets = cvar("g_warmup_start_ammo_rockets");
924                         }
925                         warmup_start_health = cvar("g_warmup_start_health");
926                         warmup_start_armorvalue = cvar("g_warmup_start_armor");
927                         if(cvar("g_warmup_allguns"))
928                         {
929                                 for(i = WEP_FIRST; i <= WEP_LAST; ++i)
930                                 {
931                                         e = get_weaponinfo(i);
932                                         if(!(e.weapon))
933                                                 continue;
934                                         if(e.spawnflags & WEPSPAWNFLAG_NORMAL)
935                                         {
936                                                 warmup_start_weapons |= e.weapons;
937                                                 weapon_action(e.weapon, WR_PRECACHE);
938                                         }
939                                 }
940                         }
941                 }
942         }
943
944         if(start_weapons & WEPBIT_HOOK)
945         {
946                 // can't have off-hand hook, if hook weapon is enabled
947
948                 // note: if g_grappling_hook is 1, also give some initial cells
949                 if(g_grappling_hook)
950                 {
951                         if(!start_ammo_cells)
952                                 start_ammo_cells = g_pickup_cells;
953                         if(!warmup_start_ammo_cells)
954                                 warmup_start_ammo_cells = g_pickup_cells;
955                 }
956
957                 g_grappling_hook = 0;
958         }
959
960         if(g_jetpack)
961         {
962                 g_grappling_hook = 0; // these two can't coexist, as they use the same button
963                 start_items |= IT_JETPACK;
964                 start_items |= IT_FUEL_REGEN;
965                 start_ammo_fuel = max(start_ammo_fuel, cvar("g_balance_fuel_stable"));
966         }
967
968         if(g_weapon_stay == 2)
969         {
970                 if(!start_ammo_shells) start_ammo_shells = g_pickup_shells;
971                 if(!start_ammo_nails) start_ammo_nails = g_pickup_nails;
972                 if(!start_ammo_cells) start_ammo_cells = g_pickup_cells;
973                 if(!start_ammo_rockets) start_ammo_rockets = g_pickup_rockets;
974                 if(!start_ammo_fuel) start_ammo_fuel = g_pickup_fuel;
975                 if(!warmup_start_ammo_shells) warmup_start_ammo_shells = g_pickup_shells;
976                 if(!warmup_start_ammo_nails) warmup_start_ammo_nails = g_pickup_nails;
977                 if(!warmup_start_ammo_cells) warmup_start_ammo_cells = g_pickup_cells;
978                 if(!warmup_start_ammo_rockets) warmup_start_ammo_rockets = g_pickup_rockets;
979                 if(!warmup_start_ammo_fuel) warmup_start_ammo_fuel = g_pickup_fuel;
980         }
981
982         start_ammo_shells = max(0, start_ammo_shells);
983         start_ammo_nails = max(0, start_ammo_nails);
984         start_ammo_cells = max(0, start_ammo_cells);
985         start_ammo_rockets = max(0, start_ammo_rockets);
986         start_ammo_fuel = max(0, start_ammo_fuel);
987
988         warmup_start_ammo_shells = max(0, warmup_start_ammo_shells);
989         warmup_start_ammo_nails = max(0, warmup_start_ammo_nails);
990         warmup_start_ammo_cells = max(0, warmup_start_ammo_cells);
991         warmup_start_ammo_rockets = max(0, warmup_start_ammo_rockets);
992         warmup_start_ammo_fuel = max(0, warmup_start_ammo_fuel);
993 }
994
995 float g_bugrigs;
996 float g_bugrigs_planar_movement;
997 float g_bugrigs_planar_movement_car_jumping;
998 float g_bugrigs_reverse_spinning;
999 float g_bugrigs_reverse_speeding;
1000 float g_bugrigs_reverse_stopping;
1001 float g_bugrigs_air_steering;
1002 float g_bugrigs_angle_smoothing;
1003 float g_bugrigs_friction_floor;
1004 float g_bugrigs_friction_brake;
1005 float g_bugrigs_friction_air;
1006 float g_bugrigs_accel;
1007 float g_bugrigs_speed_ref;
1008 float g_bugrigs_speed_pow;
1009 float g_bugrigs_steer;
1010
1011 float g_touchexplode;
1012 float g_touchexplode_radius;
1013 float g_touchexplode_damage;
1014 float g_touchexplode_edgedamage;
1015 float g_touchexplode_force;
1016
1017 void readlevelcvars(void)
1018 {
1019         g_bugrigs = cvar("g_bugrigs");
1020         g_bugrigs_planar_movement = cvar("g_bugrigs_planar_movement");
1021         g_bugrigs_planar_movement_car_jumping = cvar("g_bugrigs_planar_movement_car_jumping");
1022         g_bugrigs_reverse_spinning = cvar("g_bugrigs_reverse_spinning");
1023         g_bugrigs_reverse_speeding = cvar("g_bugrigs_reverse_speeding");
1024         g_bugrigs_reverse_stopping = cvar("g_bugrigs_reverse_stopping");
1025         g_bugrigs_air_steering = cvar("g_bugrigs_air_steering");
1026         g_bugrigs_angle_smoothing = cvar("g_bugrigs_angle_smoothing");
1027         g_bugrigs_friction_floor = cvar("g_bugrigs_friction_floor");
1028         g_bugrigs_friction_brake = cvar("g_bugrigs_friction_brake");
1029         g_bugrigs_friction_air = cvar("g_bugrigs_friction_air");
1030         g_bugrigs_accel = cvar("g_bugrigs_accel");
1031         g_bugrigs_speed_ref = cvar("g_bugrigs_speed_ref");
1032         g_bugrigs_speed_pow = cvar("g_bugrigs_speed_pow");
1033         g_bugrigs_steer = cvar("g_bugrigs_steer");
1034
1035         g_touchexplode = cvar("g_touchexplode");
1036         g_touchexplode_radius = cvar("g_touchexplode_radius");
1037         g_touchexplode_damage = cvar("g_touchexplode_damage");
1038         g_touchexplode_edgedamage = cvar("g_touchexplode_edgedamage");
1039         g_touchexplode_force = cvar("g_touchexplode_force");
1040
1041         sv_clones = cvar("sv_clones");
1042         sv_cheats = cvar("sv_cheats");
1043         sv_gentle = cvar("sv_gentle");
1044         sv_foginterval = cvar("sv_foginterval");
1045         g_cloaked = cvar("g_cloaked");
1046         g_jump_grunt = cvar("g_jump_grunt");
1047         g_footsteps = cvar("g_footsteps");
1048         g_grappling_hook = cvar("g_grappling_hook");
1049         g_jetpack = cvar("g_jetpack");
1050         g_laserguided_missile = cvar("g_laserguided_missile");
1051         g_midair = cvar("g_midair");
1052         g_minstagib = cvar("g_minstagib");
1053         g_nixnex = cvar("g_nixnex");
1054         g_nixnex_with_laser = cvar("g_nixnex_with_laser");
1055         g_norecoil = cvar("g_norecoil");
1056         g_vampire = cvar("g_vampire");
1057         g_bloodloss = cvar("g_bloodloss");
1058         sv_maxidle = cvar("sv_maxidle");
1059         sv_maxidle_spectatorsareidle = cvar("sv_maxidle_spectatorsareidle");
1060         sv_pogostick = cvar("sv_pogostick");
1061         sv_doublejump = cvar("sv_doublejump");
1062         g_maplist_allow_hidden = cvar("g_maplist_allow_hidden");
1063         g_ctf_reverse = cvar("g_ctf_reverse");
1064
1065         inWarmupStage = cvar("g_warmup");
1066         g_warmup_limit = cvar("g_warmup_limit");
1067         g_warmup_allguns = cvar("g_warmup_allguns");
1068         g_warmup_allow_timeout = cvar("g_warmup_allow_timeout");
1069
1070         if(g_race && g_race_qualifying == 2 || g_arena || g_assault || cvar("g_campaign"))
1071                 inWarmupStage = 0; // these modes cannot work together, sorry
1072
1073         g_pickup_respawntime_weapon = cvar("g_pickup_respawntime_weapon");
1074         g_pickup_respawntime_ammo = cvar("g_pickup_respawntime_ammo");
1075         g_pickup_respawntime_short = cvar("g_pickup_respawntime_short");
1076         g_pickup_respawntime_medium = cvar("g_pickup_respawntime_medium");
1077         g_pickup_respawntime_long = cvar("g_pickup_respawntime_long");
1078         g_pickup_respawntime_powerup = cvar("g_pickup_respawntime_powerup");
1079
1080         if(g_minstagib) g_nixnex = g_weaponarena = 0;
1081         if(g_nixnex) g_weaponarena = 0;
1082         g_weaponarena = 0;
1083
1084         g_pickup_shells                    = cvar("g_pickup_shells");
1085         g_pickup_shells_max                = cvar("g_pickup_shells_max");
1086         g_pickup_nails                     = cvar("g_pickup_nails");
1087         g_pickup_nails_max                 = cvar("g_pickup_nails_max");
1088         g_pickup_rockets                   = cvar("g_pickup_rockets");
1089         g_pickup_rockets_max               = cvar("g_pickup_rockets_max");
1090         g_pickup_cells                     = cvar("g_pickup_cells");
1091         g_pickup_cells_max                 = cvar("g_pickup_cells_max");
1092         g_pickup_fuel                     = cvar("g_pickup_fuel");
1093         g_pickup_fuel_jetpack             = cvar("g_pickup_fuel_jetpack");
1094         g_pickup_fuel_max                 = cvar("g_pickup_fuel_max");
1095         g_pickup_armorsmall                = cvar("g_pickup_armorsmall");
1096         g_pickup_armorsmall_max            = cvar("g_pickup_armorsmall_max");
1097         g_pickup_armormedium               = cvar("g_pickup_armormedium");
1098         g_pickup_armormedium_max           = cvar("g_pickup_armormedium_max");
1099         g_pickup_armorbig                  = cvar("g_pickup_armorbig");
1100         g_pickup_armorbig_max              = cvar("g_pickup_armorbig_max");
1101         g_pickup_armorlarge                = cvar("g_pickup_armorlarge");
1102         g_pickup_armorlarge_max            = cvar("g_pickup_armorlarge_max");
1103         g_pickup_healthsmall               = cvar("g_pickup_healthsmall");
1104         g_pickup_healthsmall_max           = cvar("g_pickup_healthsmall_max");
1105         g_pickup_healthmedium              = cvar("g_pickup_healthmedium");
1106         g_pickup_healthmedium_max          = cvar("g_pickup_healthmedium_max");
1107         g_pickup_healthlarge               = cvar("g_pickup_healthlarge");
1108         g_pickup_healthlarge_max           = cvar("g_pickup_healthlarge_max");
1109         g_pickup_healthmega                = cvar("g_pickup_healthmega");
1110         g_pickup_healthmega_max            = cvar("g_pickup_healthmega_max");
1111
1112         g_pinata = cvar("g_pinata");
1113
1114         g_weapon_stay = cvar("g_weapon_stay");
1115         if(!g_weapon_stay && (cvar("deathmatch") == 2))
1116                 g_weapon_stay = 1;
1117
1118         if not(inWarmupStage)
1119                 game_starttime                 = cvar("g_start_delay");
1120
1121         readplayerstartcvars();
1122 }
1123
1124 /*
1125 // TODO sound pack system
1126 string soundpack;
1127
1128 string precache_sound_builtin (string s) = #19;
1129 void(entity e, float chan, string samp, float vol, float atten) sound_builtin = #8;
1130 string precache_sound(string s)
1131 {
1132         return precache_sound_builtin(strcat(soundpack, s));
1133 }
1134 void play2(entity e, string filename)
1135 {
1136         stuffcmd(e, strcat("play2 ", soundpack, filename, "\n"));
1137 }
1138 void sound(entity e, float chan, string samp, float vol, float atten)
1139 {
1140         sound_builtin(e, chan, strcat(soundpack, samp), vol, atten);
1141 }
1142 */
1143
1144 // Sound functions
1145 string precache_sound (string s) = #19;
1146 void(entity e, float chan, string samp, float vol, float atten) sound = #8;
1147 float precache_sound_index (string s) = #19;
1148
1149 #define SND_VOLUME      1
1150 #define SND_ATTENUATION 2
1151 #define SND_LARGEENTITY 8
1152 #define SND_LARGESOUND  16
1153
1154 void soundtoat(float dest, entity e, vector o, float chan, string samp, float vol, float atten)
1155 {
1156         float entno, idx;
1157         entno = num_for_edict(e);
1158         idx = precache_sound_index(samp);
1159
1160         float sflags;
1161         sflags = 0;
1162
1163         atten = floor(atten * 64);
1164         vol = floor(vol * 255);
1165
1166         if(vol != 255)
1167                 sflags |= SND_VOLUME;
1168         if(atten != 64)
1169                 sflags |= SND_ATTENUATION;
1170         if(entno >= 8192)
1171                 sflags |= SND_LARGEENTITY;
1172         if(idx >= 256)
1173                 sflags |= SND_LARGESOUND;
1174
1175         WriteByte(dest, SVC_SOUND);
1176         WriteByte(dest, sflags);
1177         if(sflags & SND_VOLUME)
1178                 WriteByte(dest, vol);
1179         if(sflags & SND_ATTENUATION)
1180                 WriteByte(dest, atten);
1181         if(sflags & SND_LARGEENTITY)
1182         {
1183                 WriteShort(dest, entno);
1184                 WriteByte(dest, chan);
1185         }
1186         else
1187         {
1188                 WriteShort(dest, entno * 8 + chan);
1189         }
1190         if(sflags & SND_LARGESOUND)
1191                 WriteShort(dest, idx);
1192         else
1193                 WriteByte(dest, idx);
1194
1195         WriteCoord(dest, o_x);
1196         WriteCoord(dest, o_y);
1197         WriteCoord(dest, o_z);
1198 }
1199 void soundto(float dest, entity e, float chan, string samp, float vol, float atten)
1200 {
1201         vector o;
1202         o = e.origin + 0.5 * (e.mins + e.maxs);
1203         soundtoat(dest, e, o, chan, samp, vol, atten);
1204 }
1205 void soundat(entity e, vector o, float chan, string samp, float vol, float atten)
1206 {
1207         soundtoat(MSG_BROADCAST, e, o, chan, samp, vol, atten);
1208 }
1209 void stopsoundto(float dest, entity e, float chan)
1210 {
1211         float entno;
1212         entno = num_for_edict(e);
1213
1214         if(entno >= 8192)
1215         {
1216                 float idx, sflags;
1217                 idx = precache_sound_index("misc/null.wav");
1218                 sflags = SND_LARGEENTITY;
1219                 if(idx >= 256)
1220                         sflags |= SND_LARGESOUND;
1221                 WriteByte(dest, SVC_SOUND);
1222                 WriteByte(dest, sflags);
1223                 WriteShort(dest, entno);
1224                 WriteByte(dest, chan);
1225                 if(sflags & SND_LARGESOUND)
1226                         WriteShort(dest, idx);
1227                 else
1228                         WriteByte(dest, idx);
1229                 WriteCoord(dest, e.origin_x);
1230                 WriteCoord(dest, e.origin_y);
1231                 WriteCoord(dest, e.origin_z);
1232         }
1233         else
1234         {
1235                 WriteByte(dest, SVC_STOPSOUND);
1236                 WriteShort(dest, entno * 8 + chan);
1237         }
1238 }
1239 void stopsound(entity e, float chan)
1240 {
1241         stopsoundto(MSG_BROADCAST, e, chan); // unreliable, gets there fast
1242         stopsoundto(MSG_ALL, e, chan); // in case of packet loss
1243 }
1244
1245 void play2(entity e, string filename)
1246 {
1247         //stuffcmd(e, strcat("play2 ", filename, "\n"));
1248         msg_entity = e;
1249         soundtoat(MSG_ONE, world, '0 0 0', CHAN_AUTO, filename, VOL_BASE, ATTN_NONE);
1250 }
1251
1252 .float announcetime;
1253 float announce(entity player, string msg)
1254 {
1255         if(time > player.announcetime)
1256         if(clienttype(player) == CLIENTTYPE_REAL)
1257         {
1258                 player.announcetime = time + 0.8;
1259                 play2(player, msg);
1260                 return TRUE;
1261         }
1262         return FALSE;
1263 }
1264
1265 void play2team(float t, string filename)
1266 {
1267         local entity head;
1268         FOR_EACH_REALPLAYER(head)
1269         {
1270                 if (head.team == t)
1271                         play2(head, filename);
1272         }
1273 }
1274
1275 void play2all(string samp)
1276 {
1277         sound(world, CHAN_AUTO, samp, VOL_BASE, ATTN_NONE);
1278 }
1279
1280 void PrecachePlayerSounds(string f);
1281 void precache_all_models(string pattern)
1282 {
1283         float globhandle, i, n;
1284         string f;
1285
1286         globhandle = search_begin(pattern, TRUE, FALSE);
1287         if(globhandle < 0)
1288                 return;
1289         n = search_getsize(globhandle);
1290         for(i = 0; i < n; ++i)
1291         {
1292                 //print(search_getfilename(globhandle, i), "\n");
1293                 f = search_getfilename(globhandle, i);
1294                 precache_model(f);
1295                 PrecachePlayerSounds(strcat(f, ".sounds"));
1296         }
1297         search_end(globhandle);
1298 }
1299
1300 void precache()
1301 {
1302         // gamemode related things
1303         precache_model ("models/misc/chatbubble.spr");
1304         precache_model ("models/misc/teambubble.spr");
1305         if (g_runematch)
1306         {
1307                 precache_model ("models/runematch/curse.mdl");
1308                 precache_model ("models/runematch/rune.mdl");
1309         }
1310
1311 #ifdef TTURRETS_ENABLED
1312     if(cvar("g_turrets"))
1313         turrets_precash();
1314 #endif
1315
1316         // Precache all player models if desired
1317         if (cvar("sv_precacheplayermodels"))
1318         {
1319                 PrecachePlayerSounds("sound/player/default.sounds");
1320                 precache_all_models("models/player/*.zym");
1321                 precache_all_models("models/player/*.dpm");
1322                 precache_all_models("models/player/*.md3");
1323                 precache_all_models("models/player/*.psk");
1324                 //precache_model("models/player/carni.zym");
1325                 //precache_model("models/player/crash.zym");
1326                 //precache_model("models/player/grunt.zym");
1327                 //precache_model("models/player/headhunter.zym");
1328                 //precache_model("models/player/insurrectionist.zym");
1329                 //precache_model("models/player/jeandarc.zym");
1330                 //precache_model("models/player/lurk.zym");
1331                 //precache_model("models/player/lycanthrope.zym");
1332                 //precache_model("models/player/marine.zym");
1333                 //precache_model("models/player/nexus.zym");
1334                 //precache_model("models/player/pyria.zym");
1335                 //precache_model("models/player/shock.zym");
1336                 //precache_model("models/player/skadi.zym");
1337                 //precache_model("models/player/specop.zym");
1338                 //precache_model("models/player/visitant.zym");
1339         }
1340
1341         if(cvar("sv_defaultcharacter"))
1342         {
1343                 string s;
1344                 s = cvar_string("sv_defaultplayermodel_red");
1345                 if(s != "")
1346                 {
1347                         precache_model(s);
1348                         PrecachePlayerSounds(strcat(s, ".sounds"));
1349                 }
1350                 s = cvar_string("sv_defaultplayermodel_blue");
1351                 if(s != "")
1352                 {
1353                         precache_model(s);
1354                         PrecachePlayerSounds(strcat(s, ".sounds"));
1355                 }
1356                 s = cvar_string("sv_defaultplayermodel_yellow");
1357                 if(s != "")
1358                 {
1359                         precache_model(s);
1360                         PrecachePlayerSounds(strcat(s, ".sounds"));
1361                 }
1362                 s = cvar_string("sv_defaultplayermodel_pink");
1363                 if(s != "")
1364                 {
1365                         precache_model(s);
1366                         PrecachePlayerSounds(strcat(s, ".sounds"));
1367                 }
1368                 s = cvar_string("sv_defaultplayermodel");
1369                 if(s != "")
1370                 {
1371                         precache_model(s);
1372                         PrecachePlayerSounds(strcat(s, ".sounds"));
1373                 }
1374         }
1375
1376         if (g_footsteps)
1377         {
1378                 PrecacheGlobalSound((globalsound_step = "misc/footstep0 6"));
1379                 PrecacheGlobalSound((globalsound_metalstep = "misc/metalfootstep0 6"));
1380         }
1381
1382         // gore and miscellaneous sounds
1383         //precache_sound ("misc/h2ohit.wav");
1384         precache_model ("models/hook.md3");
1385         precache_sound ("misc/armorimpact.wav");
1386         precache_sound ("misc/bodyimpact1.wav");
1387         precache_sound ("misc/bodyimpact2.wav");
1388         precache_sound ("misc/gib.wav");
1389         precache_sound ("misc/gib_splat01.wav");
1390         precache_sound ("misc/gib_splat02.wav");
1391         precache_sound ("misc/gib_splat03.wav");
1392         precache_sound ("misc/gib_splat04.wav");
1393         precache_sound ("misc/hit.wav");
1394         PrecacheGlobalSound((globalsound_fall = "misc/hitground 4"));
1395         PrecacheGlobalSound((globalsound_metalfall = "misc/metalhitground 4"));
1396         precache_sound ("misc/null.wav");
1397         precache_sound ("misc/spawn.wav");
1398         precache_sound ("misc/talk.wav");
1399         precache_sound ("misc/teleport.wav");
1400         precache_sound ("player/lava.wav");
1401         precache_sound ("player/slime.wav");
1402         
1403         if(g_jetpack)
1404                 precache_sound ("misc/jetpack_fly.wav");
1405
1406         // announcer sounds - male
1407         precache_sound ("announcer/male/electrobitch.wav");
1408         precache_sound ("announcer/male/airshot.wav");
1409         precache_sound ("announcer/male/03kills.wav");
1410         precache_sound ("announcer/male/05kills.wav");
1411         precache_sound ("announcer/male/10kills.wav");
1412         precache_sound ("announcer/male/15kills.wav");
1413         precache_sound ("announcer/male/20kills.wav");
1414         precache_sound ("announcer/male/25kills.wav");
1415         precache_sound ("announcer/male/30kills.wav");
1416         precache_sound ("announcer/male/botlike.wav");
1417         precache_sound ("announcer/male/yoda.wav");
1418         precache_sound ("announcer/male/headshot.wav");
1419         precache_sound ("announcer/male/impressive.wav");
1420
1421         // announcer sounds - robotic
1422         precache_sound ("announcer/robotic/prepareforbattle.wav");
1423         precache_sound ("announcer/robotic/begin.wav");
1424         precache_sound ("announcer/robotic/timeoutcalled.wav");
1425         precache_sound ("announcer/robotic/1fragleft.wav");
1426         precache_sound ("announcer/robotic/1minuteremains.wav");
1427         precache_sound ("announcer/robotic/2fragsleft.wav");
1428         precache_sound ("announcer/robotic/3fragsleft.wav");
1429         if (g_minstagib)
1430         {
1431                 precache_sound ("announcer/robotic/lastsecond.wav");
1432                 precache_sound ("announcer/robotic/narrowly.wav");
1433         }
1434
1435         precache_model ("models/sprites/1.spr32");
1436         precache_model ("models/sprites/2.spr32");
1437         precache_model ("models/sprites/3.spr32");
1438         precache_model ("models/sprites/4.spr32");
1439         precache_model ("models/sprites/5.spr32");
1440         precache_model ("models/sprites/6.spr32");
1441         precache_model ("models/sprites/7.spr32");
1442         precache_model ("models/sprites/8.spr32");
1443         precache_model ("models/sprites/9.spr32");
1444         precache_model ("models/sprites/10.spr32");
1445         precache_sound ("announcer/robotic/1.wav");
1446         precache_sound ("announcer/robotic/2.wav");
1447         precache_sound ("announcer/robotic/3.wav");
1448         precache_sound ("announcer/robotic/4.wav");
1449         precache_sound ("announcer/robotic/5.wav");
1450         precache_sound ("announcer/robotic/6.wav");
1451         precache_sound ("announcer/robotic/7.wav");
1452         precache_sound ("announcer/robotic/8.wav");
1453         precache_sound ("announcer/robotic/9.wav");
1454         precache_sound ("announcer/robotic/10.wav");
1455
1456         // common weapon precaches
1457         precache_sound ("weapons/weapon_switch.wav");
1458         precache_sound ("weapons/weaponpickup.wav");
1459         if(g_grappling_hook)
1460         {
1461                 precache_sound ("weapons/hook_fire.wav"); // hook
1462                 precache_sound ("weapons/hook_impact.wav"); // hook
1463         }
1464
1465         if (cvar("sv_precacheweapons") || g_nixnex)
1466         {
1467                 //precache weapon models/sounds
1468                 local float wep;
1469                 wep = WEP_FIRST;
1470                 while (wep <= WEP_LAST)
1471                 {
1472                         weapon_action(wep, WR_PRECACHE);
1473                         wep = wep + 1;
1474                 }
1475         }
1476
1477         precache_model("models/elaser.mdl");
1478         precache_model("models/laser.mdl");
1479         precache_model("models/ebomb.mdl");
1480
1481 #if 0
1482         // Disabled this code because it simply does not work (e.g. ignores bgmvolume, overlaps with "cd loop" controlled tracks).
1483
1484         if (!self.noise && self.music) // quake 3 uses the music field
1485                 self.noise = self.music;
1486
1487         // plays music for the level if there is any
1488         if (self.noise)
1489         {
1490                 precache_sound (self.noise);
1491                 ambientsound ('0 0 0', self.noise, VOL_BASE, ATTN_NONE);
1492         }
1493 #endif
1494 }
1495
1496 // sorry, but using \ in macros breaks line numbers
1497 #define WRITESPECTATABLE_MSG_ONE_VARNAME(varname,statement) entity varname; varname = msg_entity; FOR_EACH_REALCLIENT(msg_entity) if(msg_entity == varname || (msg_entity.classname == STR_SPECTATOR && msg_entity.enemy == varname)) statement msg_entity = varname
1498 #define WRITESPECTATABLE_MSG_ONE(statement) WRITESPECTATABLE_MSG_ONE_VARNAME(oldmsg_entity, statement)
1499 #define WRITESPECTATABLE(msg,statement) if(msg == MSG_ONE) { WRITESPECTATABLE_MSG_ONE(statement); } else statement float WRITESPECTATABLE_workaround = 0
1500
1501 vector ExactTriggerHit_mins;
1502 vector ExactTriggerHit_maxs;
1503 float ExactTriggerHit_Recurse()
1504 {
1505         float s;
1506         entity se;
1507         float f;
1508
1509         tracebox('0 0 0', ExactTriggerHit_mins, ExactTriggerHit_maxs, '0 0 0', MOVE_NORMAL, other);
1510         if not(trace_ent)
1511                 return 0;
1512         if(trace_ent == self)
1513                 return 1;
1514
1515         se = trace_ent;
1516         s = se.solid;
1517         se.solid = SOLID_NOT;
1518         f = ExactTriggerHit_Recurse();
1519         se.solid = s;
1520
1521         return f;
1522 }
1523
1524 float ExactTriggerHit()
1525 {
1526         float f, s;
1527
1528         if not(self.modelindex)
1529                 return 1;
1530
1531         s = self.solid;
1532         self.solid = SOLID_BSP;
1533         ExactTriggerHit_mins = other.absmin;
1534         ExactTriggerHit_maxs = other.absmax;
1535         f = ExactTriggerHit_Recurse();
1536         self.solid = s;
1537
1538         return f;
1539 }
1540
1541 // WARNING: this kills the trace globals
1542 #define EXACTTRIGGER_TOUCH if not(ExactTriggerHit()) return
1543 #define EXACTTRIGGER_INIT  InitSolidBSPTrigger(); self.solid = SOLID_TRIGGER
1544
1545 #define INITPRIO_FIRST              0
1546 #define INITPRIO_GAMETYPE           0
1547 #define INITPRIO_GAMETYPE_FALLBACK  1
1548 #define INITPRIO_CVARS              5
1549 #define INITPRIO_FINDTARGET        10
1550 #define INITPRIO_DROPTOFLOOR       20
1551 #define INITPRIO_SETLOCATION       90
1552 #define INITPRIO_LINKDOORS         91
1553 #define INITPRIO_LAST              99
1554
1555 .void(void) initialize_entity;
1556 .float initialize_entity_order;
1557 .entity initialize_entity_next;
1558 entity initialize_entity_first;
1559
1560 void make_safe_for_remove(entity e)
1561 {
1562         if(e.initialize_entity)
1563         {
1564                 entity ent, prev;
1565                 for(ent = initialize_entity_first; ent; )
1566                 {
1567                         if((ent == e) || ((ent.classname == "initialize_entity") && (ent.enemy == e)))
1568                         {
1569                                 //print("make_safe_for_remove: getting rid of initializer ", etos(ent), "\n");
1570                                 // skip it in linked list
1571                                 if(prev)
1572                                 {
1573                                         prev.initialize_entity_next = ent.initialize_entity_next;
1574                                         ent = prev.initialize_entity_next;
1575                                 }
1576                                 else
1577                                 {
1578                                         initialize_entity_first = ent.initialize_entity_next;
1579                                         ent = initialize_entity_first;
1580                                 }
1581                         }
1582                         else
1583                         {
1584                                 prev = ent;
1585                                 ent = ent.initialize_entity_next;
1586                         }
1587                 }
1588         }
1589 }
1590
1591 void objerror(string s)
1592 {
1593         make_safe_for_remove(self);
1594         objerror_builtin(s);
1595 }
1596
1597 void remove_unsafely(entity e)
1598
1599         remove_builtin(e);
1600 }
1601
1602 void remove_safely(entity e)
1603 {
1604         make_safe_for_remove(e);
1605         remove_builtin(e);
1606 }
1607
1608 void InitializeEntity(entity e, void(void) func, float order)
1609 {
1610         entity prev, cur;
1611
1612         if(!e || e.initialize_entity)
1613         {
1614                 // make a proxy initializer entity
1615                 entity e_old;
1616                 e_old = e;
1617                 e = spawn();
1618                 e.classname = "initialize_entity";
1619                 e.enemy = e_old;
1620         }
1621
1622         e.initialize_entity = func;
1623         e.initialize_entity_order = order;
1624
1625         cur = initialize_entity_first;
1626         for(;;)
1627         {
1628                 if(!cur || cur.initialize_entity_order > order)
1629                 {
1630                         // insert between prev and cur
1631                         if(prev)
1632                                 prev.initialize_entity_next = e;
1633                         else
1634                                 initialize_entity_first = e;
1635                         e.initialize_entity_next = cur;
1636                         return;
1637                 }
1638                 prev = cur;
1639                 cur = cur.initialize_entity_next;
1640         }
1641 }
1642 void InitializeEntitiesRun()
1643 {
1644         entity startoflist;
1645         startoflist = initialize_entity_first;
1646         initialize_entity_first = world;
1647         for(self = startoflist; self; )
1648         {
1649                 entity e;
1650                 var void(void) func;
1651                 e = self.initialize_entity_next;
1652                 func = self.initialize_entity;
1653                 self.initialize_entity_order = 0;
1654                 self.initialize_entity = func_null;
1655                 self.initialize_entity_next = world;
1656                 if(self.classname == "initialize_entity")
1657                 {
1658                         entity e_old;
1659                         e_old = self.enemy;
1660                         remove_builtin(self);
1661                         self = e_old;
1662                 }
1663                 //dprint("Delayed initialization: ", self.classname, "\n");
1664                 func();
1665                 self = e;
1666         }
1667 }
1668
1669 .float uncustomizeentityforclient_set;
1670 .void(void) uncustomizeentityforclient;
1671 void(void) SUB_Nullpointer = #0;
1672 void UncustomizeEntitiesRun()
1673 {
1674         entity oldself;
1675         oldself = self;
1676         for(self = world; (self = findfloat(self, uncustomizeentityforclient_set, 1)); )
1677                 self.uncustomizeentityforclient();
1678         self = oldself;
1679 }
1680 void SetCustomizer(entity e, float(void) customizer, void(void) uncustomizer)
1681 {
1682         e.customizeentityforclient = customizer;
1683         e.uncustomizeentityforclient = uncustomizer;
1684         e.uncustomizeentityforclient_set = (uncustomizer != SUB_Nullpointer);
1685 }
1686
1687 .float nottargeted;
1688 #define IFTARGETED if(!self.nottargeted && self.targetname != "")
1689
1690 void() SUB_Remove;
1691 void Net_LinkEntity(entity e, float docull, float dt, float(entity, float) sendfunc)
1692 {
1693         vector mi, ma;
1694
1695         if(e.classname == "")
1696                 e.classname = "net_linked";
1697
1698         if(e.model == "" || self.modelindex == 0)
1699         {
1700                 mi = e.mins;
1701                 ma = e.maxs;
1702                 setmodel(e, "null");
1703                 setsize(e, mi, ma);
1704         }
1705
1706         e.SendEntity = sendfunc;
1707         e.SendFlags = 0xFFFFFF;
1708
1709         if(!docull)
1710                 e.effects |= EF_NODEPTHTEST;
1711
1712         if(dt)
1713         {
1714                 e.nextthink = time + dt;
1715                 e.think = SUB_Remove;
1716         }
1717 }
1718
1719 void adaptor_think2touch()
1720 {
1721         entity o;
1722         o = other;
1723         other = world;
1724         self.touch();
1725         other = o;
1726 }
1727
1728 void adaptor_think2use()
1729 {
1730         entity o, a;
1731         o = other;
1732         a = activator;
1733         activator = world;
1734         other = world;
1735         self.use();
1736         other = o;
1737         activator = a;
1738 }
1739
1740 // deferred dropping
1741 void DropToFloor_Handler()
1742 {
1743         droptofloor_builtin();
1744         self.dropped_origin = self.origin;
1745 }
1746
1747 void droptofloor()
1748 {
1749         InitializeEntity(self, DropToFloor_Handler, INITPRIO_DROPTOFLOOR);
1750 }
1751
1752
1753
1754 float trace_hits_box_a0, trace_hits_box_a1;
1755
1756 float trace_hits_box_1d(float end, float thmi, float thma)
1757 {
1758         if(end == 0)
1759         {
1760                 // just check if x is in range
1761                 if(0 < thmi)
1762                         return FALSE;
1763                 if(0 > thma)
1764                         return FALSE;
1765         }
1766         else
1767         {
1768                 // do the trace with respect to x
1769                 // 0 -> end has to stay in thmi -> thma
1770                 trace_hits_box_a0 = max(trace_hits_box_a0, min(thmi / end, thma / end));
1771                 trace_hits_box_a1 = min(trace_hits_box_a1, max(thmi / end, thma / end));
1772                 if(trace_hits_box_a0 > trace_hits_box_a1)
1773                         return FALSE;
1774         }
1775         return TRUE;
1776 }
1777
1778 float trace_hits_box(vector start, vector end, vector thmi, vector thma)
1779 {
1780         end -= start;
1781         thmi -= start;
1782         thma -= start;
1783         // now it is a trace from 0 to end
1784
1785         trace_hits_box_a0 = 0;
1786         trace_hits_box_a1 = 1;
1787
1788         if(!trace_hits_box_1d(end_x, thmi_x, thma_x))
1789                 return FALSE;
1790         if(!trace_hits_box_1d(end_y, thmi_y, thma_y))
1791                 return FALSE;
1792         if(!trace_hits_box_1d(end_z, thmi_z, thma_z))
1793                 return FALSE;
1794
1795         return TRUE;
1796 }
1797
1798 float tracebox_hits_box(vector start, vector mi, vector ma, vector end, vector thmi, vector thma)
1799 {
1800         return trace_hits_box(start, end, thmi - ma, thma - mi);
1801 }
1802
1803 float SUB_NoImpactCheck()
1804 {
1805         if(trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOIMPACT)
1806                 return 1;
1807         if(other == world && self.size != '0 0 0')
1808         {
1809                 vector tic;
1810                 tic = self.velocity * sys_ticrate;
1811                 tic = tic + normalize(tic) * vlen(self.maxs - self.mins);
1812                 traceline(self.origin - tic, self.origin + tic, MOVE_NORMAL, self);
1813                 if(trace_fraction >= 1)
1814                 {
1815                         dprint("Odd... did not hit...?\n");
1816                 }
1817                 else if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOIMPACT)
1818                 {
1819                         dprint("Detected and prevented the sky-grapple bug.\n");
1820                         return 1;
1821                 }
1822         }
1823
1824         return 0;
1825 }
1826
1827 #define SUB_OwnerCheck() (other && (other == self.owner))
1828
1829 #define PROJECTILE_TOUCH do { if(SUB_OwnerCheck()) return; if(SUB_NoImpactCheck()) { remove(self); return; } if(trace_ent && trace_ent.solid > SOLID_TRIGGER) UpdateCSQCProjectileNextFrame(self); } while(0)
1830
1831 float MAX_IPBAN_URIS = 16;
1832
1833 float URI_GET_DISCARD   = 0;
1834 float URI_GET_IPBAN     = 1;
1835 float URI_GET_IPBAN_END = 16;
1836
1837 void URI_Get_Callback(float id, float status, string data)
1838 {
1839         dprint("Received HTTP request data for id ", ftos(id), "; status is ", ftos(status), "\nData is\n:");
1840         dprint(data);
1841         dprint("\nEnd of data.\n");
1842
1843         if(id == URI_GET_DISCARD)
1844         {
1845                 // discard
1846         }
1847         else if(id >= URI_GET_IPBAN && id <= URI_GET_IPBAN_END)
1848         {
1849                 // online ban list
1850                 OnlineBanList_URI_Get_Callback(id, status, data);
1851         }
1852         else
1853         {
1854                 print("Received HTTP request data for an invalid id ", ftos(id), ".\n");
1855         }
1856 }
1857
1858 void print_to(entity e, string s)
1859 {
1860         if(e)
1861                 sprint(e, strcat(s, "\n"));
1862         else
1863                 print(s, "\n");
1864 }
1865
1866 string getrecords()
1867 {
1868         float rec;
1869         string h;
1870         float r;
1871         float i;
1872         string s;
1873
1874         rec = 0;
1875         
1876         s = "";
1877
1878         if(g_ctf)
1879         {
1880                 for(i = 0; i < MapInfo_count; ++i)
1881                 {
1882                         if(MapInfo_Get_ByID(i))
1883                         {
1884                                 r = stof(db_get(ServerProgsDB, strcat(MapInfo_Map_bspname, "/captimerecord/time")));
1885                                 if(r == 0)
1886                                         continue;
1887                                 h = db_get(ServerProgsDB, strcat(MapInfo_Map_bspname, "/captimerecord/netname"));
1888                                 s = strcat(s, strpad(32, MapInfo_Map_bspname), " ", strpad(-6, ftos_decimals(r, 2)), " ", h, "\n");
1889                                 ++rec;
1890                         }
1891                 }
1892         }
1893
1894         if(g_race)
1895         {
1896                 for(i = 0; i < MapInfo_count; ++i)
1897                 {
1898                         if(MapInfo_Get_ByID(i))
1899                         {
1900                                 r = stof(db_get(ServerProgsDB, strcat(MapInfo_Map_bspname, "/racerecord/time")));
1901                                 if(r == 0)
1902                                         continue;
1903                                 h = db_get(ServerProgsDB, strcat(MapInfo_Map_bspname, "/racerecord/netname"));
1904                                 s = strcat(s, strpad(32, MapInfo_Map_bspname), " ", strpad(-8, mmsss(r)), " ", h, "\n");
1905                                 ++rec;
1906                         }
1907                 }
1908         }
1909         MapInfo_ClearTemps();
1910
1911         if(s == "")
1912                 return "No records are available on this server.\n";
1913         else
1914                 return strcat("Records on this server:\n", s);
1915 }
1916
1917 float MoveToRandomMapLocation(entity e, float goodcontents, float badcontents, float badsurfaceflags, float attempts, float maxaboveground, float minviewdistance)
1918 {
1919         float m, i;
1920         vector start, org, delta, end, enddown, mstart;
1921
1922         m = e.dphitcontentsmask;
1923         e.dphitcontentsmask = goodcontents | badcontents;
1924
1925         org = world.mins;
1926         delta = world.maxs - world.mins;
1927
1928         for(i = 0; i < attempts; ++i)
1929         {
1930                 start_x = org_x + random() * delta_x;
1931                 start_y = org_y + random() * delta_y;
1932                 start_z = org_z + random() * delta_z;
1933
1934                 // rule 1: start inside world bounds, and outside
1935                 // solid, and don't start from somewhere where you can
1936                 // fall down to evil
1937                 tracebox(start, e.mins, e.maxs, start - '0 0 1' * delta_z, MOVE_NORMAL, e);
1938                 if(trace_fraction >= 1)
1939                         continue;
1940                 if(trace_startsolid)
1941                         continue;
1942                 if(trace_dphitcontents & badcontents)
1943                         continue;
1944                 if(trace_dphitq3surfaceflags & badsurfaceflags)
1945                         continue;
1946
1947                 // rule 2: if we are too high, lower the point
1948                 if(trace_fraction * delta_z > maxaboveground)
1949                         start = trace_endpos + '0 0 1' * maxaboveground;
1950                 enddown = trace_endpos;
1951
1952                 // rule 3: make sure we aren't outside the map. This only works
1953                 // for somewhat well formed maps. A good rule of thumb is that
1954                 // the map should have a convex outside hull.
1955                 // these can be traceLINES as we already verified the starting box
1956                 mstart = start + 0.5 * (e.mins + e.maxs);
1957                 traceline(mstart, mstart + '1 0 0' * delta_x, MOVE_NORMAL, e);
1958                 if(trace_fraction >= 1)
1959                         continue;
1960                 traceline(mstart, mstart - '1 0 0' * delta_x, MOVE_NORMAL, e);
1961                 if(trace_fraction >= 1)
1962                         continue;
1963                 traceline(mstart, mstart + '0 1 0' * delta_y, MOVE_NORMAL, e);
1964                 if(trace_fraction >= 1)
1965                         continue;
1966                 traceline(mstart, mstart - '0 1 0' * delta_y, MOVE_NORMAL, e);
1967                 if(trace_fraction >= 1)
1968                         continue;
1969                 traceline(mstart, mstart + '0 0 1' * delta_z, MOVE_NORMAL, e);
1970                 if(trace_fraction >= 1)
1971                         continue;
1972
1973                 // find a random vector to "look at"
1974                 end_x = org_x + random() * delta_x;
1975                 end_y = org_y + random() * delta_y;
1976                 end_z = org_z + random() * delta_z;
1977                 end = start + normalize(end - start) * vlen(delta);
1978
1979                 // rule 4: start TO end must not be too short
1980                 tracebox(start, e.mins, e.maxs, end, MOVE_NORMAL, e);
1981                 if(trace_startsolid)
1982                         continue;
1983                 if(trace_fraction < minviewdistance / vlen(delta))
1984                         continue;
1985
1986                 // rule 5: don't want to look at sky
1987                 if(trace_dphitq3surfaceflags & Q3SURFACEFLAG_SKY)
1988                         continue;
1989
1990                 // rule 6: we must not end up in trigger_hurt
1991                 if(tracebox_hits_trigger_hurt(start, e.mins, e.maxs, enddown))
1992                 {
1993                         dprint("trigger_hurt! ouch! and nothing else could find it!\n");
1994                         continue;
1995                 }
1996
1997                 break;
1998         }
1999
2000         e.dphitcontentsmask = m;
2001
2002         if(i < attempts)
2003         {
2004                 setorigin(e, start);
2005                 e.angles = vectoangles(end - start);
2006                 dprint("Needed ", ftos(i + 1), " attempts\n");
2007                 return TRUE;
2008         }
2009         else
2010                 return FALSE;
2011 }
2012
2013 void zcurveparticles(float effectno, vector start, vector end, float end_dz, float spd)
2014 {
2015         WriteByte(MSG_BROADCAST, SVC_TEMPENTITY);
2016         WriteByte(MSG_BROADCAST, TE_CSQC_ZCURVEPARTICLES);
2017         WriteShort(MSG_BROADCAST, effectno);
2018         WriteCoord(MSG_BROADCAST, start_x);
2019         WriteCoord(MSG_BROADCAST, start_y);
2020         WriteCoord(MSG_BROADCAST, start_z);
2021         WriteCoord(MSG_BROADCAST, end_x);
2022         WriteCoord(MSG_BROADCAST, end_y);
2023         WriteCoord(MSG_BROADCAST, end_z);
2024         WriteCoord(MSG_BROADCAST, end_dz);
2025         WriteShort(MSG_BROADCAST, spd / 16);
2026 }
2027
2028 void zcurveparticles_from_tracetoss(float effectno, vector start, vector end, vector vel)
2029 {
2030         float end_dz;
2031         vector vecxy, velxy;
2032
2033         vecxy = end - start; vecxy_z = 0;
2034         velxy = vel;         velxy_z = 0;
2035
2036         if(vlen(velxy) < 0.000001 * fabs(vel_z))
2037         {
2038                 trailparticles(world, effectno, start, end);
2039                 return;
2040         }
2041
2042         end_dz = vlen(vecxy) / vlen(velxy) * vel_z - (end_z - start_z);
2043         zcurveparticles(effectno, start, end, end_dz, vlen(vel));
2044 }
2045
2046 string GetGametype(); // g_world.qc
2047 void write_recordmarker(entity pl, float tstart, float dt)
2048 {
2049         GameLogEcho(strcat(":recordset:", ftos(pl.playerid), ":", ftos(dt / 10)));
2050
2051         // also write a marker into demo files for demotc-race-record-extractor to find
2052         stuffcmd(pl,
2053                 strcat(
2054                         strcat("//", strconv(2, 0, 0, GetGametype()), " RECORD SET ", mmsss(dt * 10)),
2055                         " ", ftos(tstart), " ", ftos(dt), "\n"));
2056 }
2057
2058 vector shotorg_adjust(vector vecs, float y_is_right, float visual)
2059 {
2060         string s;
2061         vector v;
2062         if (cvar("g_shootfromeye"))
2063         {
2064                 if(visual)
2065                 {
2066                         vecs_y = 0;
2067                         vecs_z -= 4;
2068                 }
2069                 else
2070                 {
2071                         vecs_y = 0;
2072                         vecs_z = 0;
2073                 }
2074         }
2075         else if (cvar("g_shootfromcenter"))
2076         {
2077                 vecs_y = 0;
2078                 vecs_z -= 4;
2079         }
2080         else if((s = cvar_string("g_shootfromfixedorigin")) != "")
2081         {
2082                 v = stov(s);
2083                 if(y_is_right)
2084                         v_y = -v_y;
2085                 if(v_x != 0)
2086                         vecs_x = v_x;
2087                 vecs_y = v_y;
2088                 vecs_z = v_z;
2089         }
2090         return vecs;
2091 }
2092
2093
2094
2095 void attach_sameorigin(entity e, entity to, string tag)
2096 {
2097         vector org, t_forward, t_left, t_up, e_forward, e_up;
2098         vector org0, ang0;
2099         float tagscale;
2100
2101         ang0 = e.angles;
2102         org0 = e.origin;
2103
2104         org = e.origin - gettaginfo(to, gettagindex(to, tag));
2105         tagscale = pow(vlen(v_forward), -2); // undo a scale on the tag
2106         t_forward = v_forward * tagscale;
2107         t_left = v_right * -tagscale;
2108         t_up = v_up * tagscale;
2109
2110         e.origin_x = org * t_forward;
2111         e.origin_y = org * t_left;
2112         e.origin_z = org * t_up;
2113
2114         // current forward and up directions
2115         if(substring(e.model, 0, 1) == "*") // bmodels have their own rules
2116                 e.angles_x = -e.angles_x;
2117         fixedmakevectors(e.angles);
2118
2119         // untransform forward, up!
2120         e_forward_x = v_forward * t_forward;
2121         e_forward_y = v_forward * t_left;
2122         e_forward_z = v_forward * t_up;
2123         e_up_x = v_up * t_forward;
2124         e_up_y = v_up * t_left;
2125         e_up_z = v_up * t_up;
2126
2127         e.angles = fixedvectoangles2(e_forward, e_up);
2128         if(substring(e.model, 0, 1) == "*") // bmodels have their own rules
2129                 e.angles_x = -e.angles_x;
2130
2131         setattachment(e, to, tag);
2132         setorigin(e, e.origin);
2133 }
2134
2135 void detach_sameorigin(entity e)
2136 {
2137         vector org;
2138         org = gettaginfo(e, 0);
2139         e.angles = fixedvectoangles2(v_forward, v_up);
2140         if(substring(e.model, 0, 1) == "*") // bmodels have their own rules
2141                 e.angles_x = -e.angles_x;
2142         e.origin = org;
2143         setattachment(e, world, "");
2144         setorigin(e, e.origin);
2145 }
2146
2147 void follow_sameorigin(entity e, entity to)
2148 {
2149         e.movetype = MOVETYPE_FOLLOW; // make the hole follow
2150         e.aiment = to; // make the hole follow bmodel
2151         e.punchangle = to.angles; // the original angles of bmodel
2152         e.view_ofs = e.origin - to.origin; // relative origin
2153         e.v_angle = e.angles - to.angles; // relative angles
2154 }
2155
2156 void unfollow_sameorigin(entity e)
2157 {
2158         e.movetype = MOVETYPE_NONE;
2159 }
2160
2161 entity gettaginfo_relative_ent;
2162 vector gettaginfo_relative(entity e, float tag)
2163 {
2164         if(!gettaginfo_relative_ent)
2165         {
2166                 gettaginfo_relative_ent = spawn();
2167                 gettaginfo_relative_ent.effects = EF_NODRAW;
2168         }
2169         gettaginfo_relative_ent.model = e.model;
2170         gettaginfo_relative_ent.modelindex = e.modelindex;
2171         gettaginfo_relative_ent.frame = e.frame;
2172         return gettaginfo(gettaginfo_relative_ent, tag);
2173 }
2174
2175 void SoundEntity_StartSound(entity pl, float chan, string samp, float vol, float attn)
2176 {
2177         float p;
2178         p = pow(2, chan);
2179         if(pl.soundentity.cnt & p)
2180                 return;
2181         soundtoat(MSG_ALL, pl.soundentity, gettaginfo(pl.soundentity, 0), chan, samp, vol, attn);
2182         pl.soundentity.cnt |= p;
2183 }
2184
2185 void SoundEntity_StopSound(entity pl, float chan)
2186 {
2187         float p;
2188         p = pow(2, chan);
2189         if(pl.soundentity.cnt & p)
2190         {
2191                 stopsoundto(MSG_ALL, pl.soundentity, chan);
2192                 pl.soundentity.cnt &~= p;
2193         }
2194 }
2195
2196 void SoundEntity_Attach(entity pl)
2197 {
2198         pl.soundentity = spawn();
2199         pl.soundentity.classname = "soundentity";
2200         setattachment(pl.soundentity, pl, "");
2201         setmodel(pl.soundentity, "null");
2202 }
2203
2204 void SoundEntity_Detach(entity pl)
2205 {
2206         float i;
2207         for(i = 0; i <= 7; ++i)
2208                 SoundEntity_StopSound(pl, i);
2209 }