Merge branch 'master' into Mario/stats_eloranking
[xonotic/xonotic-data.pk3dir.git] / qcsrc / server / miscfunctions.qc
1 #include "miscfunctions.qh"
2
3 #include "antilag.qh"
4 #include "command/common.qh"
5 #include "constants.qh"
6 #include "g_hook.qh"
7 #include "ipban.qh"
8 #include <server/mutators/_mod.qh>
9 #include "../common/t_items.qh"
10 #include "resources.qh"
11 #include "items.qh"
12 #include "player.qh"
13 #include "weapons/accuracy.qh"
14 #include "weapons/csqcprojectile.qh"
15 #include "weapons/selection.qh"
16 #include "../common/command/_mod.qh"
17 #include "../common/constants.qh"
18 #include <common/net_linked.qh>
19 #include <common/weapons/weapon/crylink.qh>
20 #include "../common/deathtypes/all.qh"
21 #include "../common/mapinfo.qh"
22 #include "../common/notifications/all.qh"
23 #include "../common/playerstats.qh"
24 #include "../common/teams.qh"
25 #include "../common/mapobjects/subs.qh"
26 #include "../common/util.qh"
27 #include "../common/turrets/sv_turrets.qh"
28 #include <common/weapons/_all.qh>
29 #include "../common/vehicles/sv_vehicles.qh"
30 #include "../common/vehicles/vehicle.qh"
31 #include "../common/items/_mod.qh"
32 #include "../common/state.qh"
33 #include "../common/effects/qc/globalsound.qh"
34 #include "../common/wepent.qh"
35 #include "../lib/csqcmodel/sv_model.qh"
36 #include "../lib/warpzone/anglestransform.qh"
37 #include "../lib/warpzone/server.qh"
38
39 void crosshair_trace(entity pl)
40 {
41         traceline_antilag(pl, CS(pl).cursor_trace_start, CS(pl).cursor_trace_start + normalize(CS(pl).cursor_trace_endpos - CS(pl).cursor_trace_start) * max_shot_distance, MOVE_NORMAL, pl, ANTILAG_LATENCY(pl));
42 }
43
44 void crosshair_trace_plusvisibletriggers(entity pl)
45 {
46         crosshair_trace_plusvisibletriggers__is_wz(pl, false);
47 }
48
49 void WarpZone_crosshair_trace_plusvisibletriggers(entity pl)
50 {
51         crosshair_trace_plusvisibletriggers__is_wz(pl, true);
52 }
53
54 void crosshair_trace_plusvisibletriggers__is_wz(entity pl, bool is_wz)
55 {
56         FOREACH_ENTITY_FLOAT(solid, SOLID_TRIGGER,
57         {
58                 if(it.model != "")
59                 {
60                         it.solid = SOLID_BSP;
61                         IL_PUSH(g_ctrace_changed, it);
62                 }
63         });
64
65         if (is_wz)
66                 WarpZone_crosshair_trace(pl);
67         else
68                 crosshair_trace(pl);
69
70         IL_EACH(g_ctrace_changed, true, { it.solid = SOLID_TRIGGER; });
71
72         IL_CLEAR(g_ctrace_changed);
73 }
74
75 void WarpZone_crosshair_trace(entity pl)
76 {
77         WarpZone_traceline_antilag(pl, CS(pl).cursor_trace_start, CS(pl).cursor_trace_start + normalize(CS(pl).cursor_trace_endpos - CS(pl).cursor_trace_start) * max_shot_distance, MOVE_NORMAL, pl, ANTILAG_LATENCY(pl));
78 }
79
80 void dedicated_print(string input)
81 {
82         if (server_is_dedicated) print(input);
83 }
84
85 void GameLogEcho(string s)
86 {
87     string fn;
88     int matches;
89
90     if (autocvar_sv_eventlog_files)
91     {
92         if (!logfile_open)
93         {
94             logfile_open = true;
95             matches = autocvar_sv_eventlog_files_counter + 1;
96             cvar_set("sv_eventlog_files_counter", itos(matches));
97             fn = ftos(matches);
98             if (strlen(fn) < 8)
99                 fn = strcat(substring("00000000", 0, 8 - strlen(fn)), fn);
100             fn = strcat(autocvar_sv_eventlog_files_nameprefix, fn, autocvar_sv_eventlog_files_namesuffix);
101             logfile = fopen(fn, FILE_APPEND);
102             fputs(logfile, ":logversion:3\n");
103         }
104         if (logfile >= 0)
105         {
106             if (autocvar_sv_eventlog_files_timestamps)
107                 fputs(logfile, strcat(":time:", strftime(true, "%Y-%m-%d %H:%M:%S", "\n", s, "\n")));
108             else
109                 fputs(logfile, strcat(s, "\n"));
110         }
111     }
112     if (autocvar_sv_eventlog_console)
113     {
114         dedicated_print(strcat(s, "\n"));
115     }
116 }
117
118 void GameLogInit()
119 {
120     logfile_open = 0;
121     // will be opened later
122 }
123
124 void GameLogClose()
125 {
126     if (logfile_open && logfile >= 0)
127     {
128         fclose(logfile);
129         logfile = -1;
130     }
131 }
132
133 entity findnearest(vector point, bool checkitems, vector axismod)
134 {
135     vector dist;
136     int num_nearest = 0;
137
138     IL_EACH(((checkitems) ? g_items : g_locations), ((checkitems) ? (it.target == "###item###") : (it.classname == "target_location")),
139     {
140         if ((it.items == IT_KEY1 || it.items == IT_KEY2) && it.target == "###item###")
141             dist = it.oldorigin;
142         else
143             dist = it.origin;
144         dist = dist - point;
145         dist = dist.x * axismod.x * '1 0 0' + dist.y * axismod.y * '0 1 0' + dist.z * axismod.z * '0 0 1';
146         float len = vlen2(dist);
147
148         int l;
149         for (l = 0; l < num_nearest; ++l)
150         {
151             if (len < nearest_length[l])
152                 break;
153         }
154
155         // now i tells us where to insert at
156         //   INSERTION SORT! YOU'VE SEEN IT! RUN!
157         if (l < NUM_NEAREST_ENTITIES)
158         {
159             for (int j = NUM_NEAREST_ENTITIES - 1; j >= l; --j)
160             {
161                 nearest_length[j + 1] = nearest_length[j];
162                 nearest_entity[j + 1] = nearest_entity[j];
163             }
164             nearest_length[l] = len;
165             nearest_entity[l] = it;
166             if (num_nearest < NUM_NEAREST_ENTITIES)
167                 num_nearest = num_nearest + 1;
168         }
169     });
170
171     // now use the first one from our list that we can see
172     for (int j = 0; j < num_nearest; ++j)
173     {
174         traceline(point, nearest_entity[j].origin, true, NULL);
175         if (trace_fraction == 1)
176         {
177             if (j != 0)
178                 LOG_TRACEF("Nearest point (%s) is not visible, using a visible one.", nearest_entity[0].netname);
179             return nearest_entity[j];
180         }
181     }
182
183     if (num_nearest == 0)
184         return NULL;
185
186     LOG_TRACE("Not seeing any location point, using nearest as fallback.");
187     /* DEBUGGING CODE:
188     dprint("Candidates were: ");
189     for(j = 0; j < num_nearest; ++j)
190     {
191         if(j != 0)
192                 dprint(", ");
193         dprint(nearest_entity[j].netname);
194     }
195     dprint("\n");
196     */
197
198     return nearest_entity[0];
199 }
200
201 string NearestLocation(vector p)
202 {
203     string ret = "somewhere";
204     entity loc = findnearest(p, false, '1 1 1');
205     if (loc)
206         ret = loc.message;
207     else
208     {
209         loc = findnearest(p, true, '1 1 4');
210         if (loc)
211             ret = loc.netname;
212     }
213     return ret;
214 }
215
216 string AmmoNameFromWeaponentity(Weapon wep)
217 {
218         string ammoitems = "batteries";
219         switch (wep.ammo_type)
220         {
221                 case RES_SHELLS:  ammoitems = ITEM_Shells.m_name;      break;
222                 case RES_BULLETS: ammoitems = ITEM_Bullets.m_name;     break;
223                 case RES_ROCKETS: ammoitems = ITEM_Rockets.m_name;     break;
224                 case RES_CELLS:   ammoitems = ITEM_Cells.m_name;       break;
225                 case RES_PLASMA:  ammoitems = ITEM_Plasma.m_name;      break;
226                 case RES_FUEL:    ammoitems = ITEM_JetpackFuel.m_name; break;
227         }
228         return ammoitems;
229 }
230
231 string formatmessage(entity this, string msg)
232 {
233         float p, p1, p2;
234         float n;
235         vector cursor = '0 0 0';
236         entity cursor_ent = NULL;
237         string escape;
238         string replacement;
239         p = 0;
240         n = 7;
241         bool traced = false;
242
243         MUTATOR_CALLHOOK(PreFormatMessage, this, msg);
244         msg = M_ARGV(1, string);
245
246         while (1) {
247                 if (n < 1)
248                         break; // too many replacements
249
250                 n = n - 1;
251                 p1 = strstrofs(msg, "%", p); // NOTE: this destroys msg as it's a tempstring!
252                 p2 = strstrofs(msg, "\\", p); // NOTE: this destroys msg as it's a tempstring!
253
254                 if (p1 < 0)
255                         p1 = p2;
256
257                 if (p2 < 0)
258                         p2 = p1;
259
260                 p = min(p1, p2);
261
262                 if (p < 0)
263                         break;
264
265                 if(!traced)
266                 {
267                         WarpZone_crosshair_trace_plusvisibletriggers(this);
268                         cursor = trace_endpos;
269                         cursor_ent = trace_ent;
270                         traced = true;
271                 }
272
273                 replacement = substring(msg, p, 2);
274                 escape = substring(msg, p + 1, 1);
275
276                 .entity weaponentity = weaponentities[0]; // TODO: unhardcode
277
278                 switch(escape)
279                 {
280                         case "%": replacement = "%"; break;
281                         case "\\":replacement = "\\"; break;
282                         case "n": replacement = "\n"; break;
283                         case "a": replacement = ftos(floor(GetResource(this, RES_ARMOR))); break;
284                         case "h": replacement = ftos(floor(GetResource(this, RES_HEALTH))); break;
285                         case "l": replacement = NearestLocation(this.origin); break;
286                         case "y": replacement = NearestLocation(cursor); break;
287                         case "d": replacement = NearestLocation(this.death_origin); break;
288                         case "w": replacement = ((this.(weaponentity).m_weapon == WEP_Null) ? ((this.(weaponentity).m_switchweapon == WEP_Null) ? Weapons_from(this.(weaponentity).cnt) : this.(weaponentity).m_switchweapon) : this.(weaponentity).m_weapon).m_name; break;
289                         case "W": replacement = AmmoNameFromWeaponentity(this.(weaponentity).m_weapon); break;
290                         case "x": replacement = ((cursor_ent.netname == "" || !cursor_ent) ? "nothing" : cursor_ent.netname); break;
291                         case "s": replacement = ftos(vlen(this.velocity - this.velocity_z * '0 0 1')); break;
292                         case "S": replacement = ftos(vlen(this.velocity)); break;
293                         case "t": replacement = seconds_tostring(ceil(max(0, autocvar_timelimit * 60 + game_starttime - time))); break;
294                         case "T": replacement = seconds_tostring(floor(time - game_starttime)); break;
295                         default:
296                         {
297                                 MUTATOR_CALLHOOK(FormatMessage, this, escape, replacement, msg);
298                                 replacement = M_ARGV(2, string);
299                                 break;
300                         }
301                 }
302
303                 msg = strcat(substring(msg, 0, p), replacement, substring(msg, p+2, strlen(msg) - (p+2)));
304                 p = p + strlen(replacement);
305         }
306         return msg;
307 }
308
309 /*
310 =============
311 GetCvars
312 =============
313 Called with:
314   0:  sends the request
315   >0: receives a cvar from name=argv(f) value=argv(f+1)
316 */
317 void GetCvars_handleString(entity this, entity store, string thisname, float f, .string field, string name)
318 {
319         if (f < 0)
320         {
321                 strfree(store.(field));
322         }
323         else if (f > 0)
324         {
325                 if (thisname == name)
326                 {
327                         strcpy(store.(field), argv(f + 1));
328                 }
329         }
330         else
331                 stuffcmd(this, strcat("cl_cmd sendcvar ", name, "\n"));
332 }
333 void GetCvars_handleString_Fixup(entity this, entity store, string thisname, float f, .string field, string name, string(entity, string) func)
334 {
335         GetCvars_handleString(this, store, thisname, f, field, name);
336         if (f >= 0) // also initialize to the fitting value for "" when sending cvars out
337                 if (thisname == name)
338                 {
339                         string s = func(this, strcat1(store.(field)));
340                         if (s != store.(field))
341                         {
342                                 strcpy(store.(field), s);
343                         }
344                 }
345 }
346 void GetCvars_handleFloat(entity this, entity store, string thisname, float f, .float field, string name)
347 {
348         if (f < 0)
349         {
350         }
351         else if (f > 0)
352         {
353                 if (thisname == name)
354                         store.(field) = stof(argv(f + 1));
355         }
356         else
357                 stuffcmd(this, strcat("cl_cmd sendcvar ", name, "\n"));
358 }
359 void GetCvars_handleFloatOnce(entity this, entity store, string thisname, float f, .float field, string name)
360 {
361         if (f < 0)
362         {
363         }
364         else if (f > 0)
365         {
366                 if (thisname == name)
367                 {
368                         if (!store.(field))
369                         {
370                                 store.(field) = stof(argv(f + 1));
371                                 if (!store.(field))
372                                         store.(field) = -1;
373                         }
374                 }
375         }
376         else
377         {
378                 if (!store.(field))
379                         stuffcmd(this, strcat("cl_cmd sendcvar ", name, "\n"));
380         }
381 }
382 string W_FixWeaponOrder_ForceComplete_AndBuildImpulseList(entity this, string wo)
383 {
384         string o = W_FixWeaponOrder_ForceComplete(wo);
385         strcpy(CS(this).weaponorder_byimpulse, W_FixWeaponOrder_BuildImpulseList(o));
386         return o;
387 }
388
389 REPLICATE(autoswitch, bool, "cl_autoswitch");
390
391 REPLICATE(cvar_cl_allow_uid2name, bool, "cl_allow_uid2name");
392
393 REPLICATE(cvar_cl_allow_uidranking, bool, "cl_allow_uidranking");
394
395 REPLICATE(cvar_cl_autoscreenshot, int, "cl_autoscreenshot");
396
397 REPLICATE(cvar_cl_autotaunt, float, "cl_autotaunt");
398
399 REPLICATE(cvar_cl_clippedspectating, bool, "cl_clippedspectating");
400
401 REPLICATE(cvar_cl_handicap, float, "cl_handicap");
402
403 REPLICATE(cvar_cl_jetpack_jump, bool, "cl_jetpack_jump");
404
405 REPLICATE(cvar_cl_movement_track_canjump, bool, "cl_movement_track_canjump");
406
407 REPLICATE(cvar_cl_newusekeysupported, bool, "cl_newusekeysupported");
408
409 REPLICATE(cvar_cl_noantilag, bool, "cl_noantilag");
410
411 REPLICATE(cvar_cl_physics, string, "cl_physics");
412
413 REPLICATE(cvar_cl_voice_directional, int, "cl_voice_directional");
414
415 REPLICATE(cvar_cl_voice_directional_taunt_attenuation, float, "cl_voice_directional_taunt_attenuation");
416
417 REPLICATE(cvar_cl_weaponimpulsemode, int, "cl_weaponimpulsemode");
418
419 REPLICATE(cvar_g_xonoticversion, string, "g_xonoticversion");
420
421 REPLICATE(cvar_cl_cts_noautoswitch, bool, "cl_cts_noautoswitch");
422
423 REPLICATE(cvar_cl_weapon_switch_reload, bool, "cl_weapon_switch_reload");
424
425 REPLICATE(cvar_cl_weapon_switch_fallback_to_impulse, bool, "cl_weapon_switch_fallback_to_impulse");
426
427 /**
428  * @param f -1: cleanup, 0: request, 1: receive
429  */
430 void GetCvars(entity this, entity store, int f)
431 {
432         string s = string_null;
433
434         if (f == 0)
435                 LOG_INFO("Warning: requesting cvar values is deprecated. Client should send them automatically using REPLICATE.\n");
436
437         if (f > 0)
438                 s = strcat1(argv(f));
439
440         get_cvars_f = f;
441         get_cvars_s = s;
442         MUTATOR_CALLHOOK(GetCvars);
443
444         Notification_GetCvars(this);
445
446         ReplicateVars(this, store, s, f);
447
448         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriority, "cl_weaponpriority", W_FixWeaponOrder_ForceComplete_AndBuildImpulseList);
449         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[0], "cl_weaponpriority0", W_FixWeaponOrder_AllowIncomplete);
450         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[1], "cl_weaponpriority1", W_FixWeaponOrder_AllowIncomplete);
451         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[2], "cl_weaponpriority2", W_FixWeaponOrder_AllowIncomplete);
452         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[3], "cl_weaponpriority3", W_FixWeaponOrder_AllowIncomplete);
453         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[4], "cl_weaponpriority4", W_FixWeaponOrder_AllowIncomplete);
454         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[5], "cl_weaponpriority5", W_FixWeaponOrder_AllowIncomplete);
455         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[6], "cl_weaponpriority6", W_FixWeaponOrder_AllowIncomplete);
456         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[7], "cl_weaponpriority7", W_FixWeaponOrder_AllowIncomplete);
457         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[8], "cl_weaponpriority8", W_FixWeaponOrder_AllowIncomplete);
458         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[9], "cl_weaponpriority9", W_FixWeaponOrder_AllowIncomplete);
459
460         GetCvars_handleFloat(this, store, s, f, cvar_cl_allow_uidtracking, "cl_allow_uidtracking");
461
462         // fixup of switchweapon (needed for LMS or when spectating is disabled, as PutClientInServer comes too early)
463         if (f > 0)
464         {
465                 if (s == "cl_weaponpriority")
466                 {
467                         for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
468                         {
469                                 .entity weaponentity = weaponentities[slot];
470                                 if (this.(weaponentity) && (this.(weaponentity).m_weapon != WEP_Null || slot == 0))
471                                         this.(weaponentity).m_switchweapon = w_getbestweapon(this, weaponentity);
472                         }
473                 }
474                 if (s == "cl_allow_uidtracking")
475                         PlayerStats_GameReport_AddPlayer(this);
476         }
477 }
478
479 // decolorizes and team colors the player name when needed
480 string playername(entity p, bool team_colorize)
481 {
482     string t;
483     if (team_colorize && teamplay && !intermission_running && IS_PLAYER(p))
484     {
485         t = Team_ColorCode(p.team);
486         return strcat(t, strdecolorize(p.netname));
487     }
488     else
489         return p.netname;
490 }
491
492 float want_weapon(entity weaponinfo, float allguns)
493 {
494         int d = 0;
495         bool allow_mutatorblocked = false;
496
497         if(!weaponinfo.m_id)
498                 return 0;
499
500         bool mutator_returnvalue = MUTATOR_CALLHOOK(WantWeapon, weaponinfo, d, allguns, allow_mutatorblocked);
501         d = M_ARGV(1, float);
502         allguns = M_ARGV(2, bool);
503         allow_mutatorblocked = M_ARGV(3, bool);
504
505         if(allguns)
506                 d = boolean((weaponinfo.spawnflags & WEP_FLAG_NORMAL) && !(weaponinfo.spawnflags & (WEP_FLAG_HIDDEN | WEP_FLAG_SPECIALATTACK)));
507         else if(!mutator_returnvalue)
508                 d = !(!weaponinfo.weaponstart);
509
510         if(!allow_mutatorblocked && (weaponinfo.spawnflags & WEP_FLAG_MUTATORBLOCKED)) // never default mutator blocked guns
511                 d = 0;
512
513         float t = weaponinfo.weaponstartoverride;
514
515         //LOG_INFOF("want_weapon: %s - d: %d t: %d\n", weaponinfo.netname, d, t);
516
517         // bit order in t:
518         // 1: want or not
519         // 2: is default?
520         // 4: is set by default?
521         if(t < 0)
522                 t = 4 | (3 * d);
523         else
524                 t |= (2 * d);
525
526         return t;
527 }
528
529 /// Weapons the player normally starts with outside weapon arena.
530 WepSet weapons_start()
531 {
532         WepSet ret = '0 0 0';
533         FOREACH(Weapons, it != WEP_Null, {
534                 int w = want_weapon(it, false);
535                 if (w & 1)
536                         ret |= it.m_wepset;
537         });
538         return ret;
539 }
540
541 WepSet weapons_all()
542 {
543         WepSet ret = '0 0 0';
544         FOREACH(Weapons, it != WEP_Null, {
545                 if (!(it.spawnflags & (WEP_FLAG_MUTATORBLOCKED | WEP_FLAG_SPECIALATTACK)))
546                         ret |= it.m_wepset;
547         });
548         return ret;
549 }
550
551 WepSet weapons_devall()
552 {
553         WepSet ret = '0 0 0';
554         FOREACH(Weapons, it != WEP_Null,
555         {
556                 ret |= it.m_wepset;
557         });
558         return ret;
559 }
560
561 WepSet weapons_most()
562 {
563         WepSet ret = '0 0 0';
564         FOREACH(Weapons, it != WEP_Null, {
565                 if ((it.spawnflags & WEP_FLAG_NORMAL) && !(it.spawnflags & (WEP_FLAG_MUTATORBLOCKED | WEP_FLAG_HIDDEN | WEP_FLAG_SPECIALATTACK)))
566                         ret |= it.m_wepset;
567         });
568         return ret;
569 }
570
571 void weaponarena_available_all_update(entity this)
572 {
573         if (weaponsInMapAll)
574         {
575                 start_weapons = warmup_start_weapons = g_weaponarena_weapons = weapons_start() | (weaponsInMapAll & weapons_all());
576         }
577         else
578         {
579                 // if no weapons are available on the map, just fall back to all weapons arena
580                 start_weapons = warmup_start_weapons = g_weaponarena_weapons = weapons_all();
581         }
582 }
583
584 void weaponarena_available_devall_update(entity this)
585 {
586         if (weaponsInMapAll)
587         {
588                 start_weapons = warmup_start_weapons = g_weaponarena_weapons = weapons_start() | weaponsInMapAll;
589         }
590         else
591         {
592                 // if no weapons are available on the map, just fall back to devall weapons arena
593                 start_weapons = warmup_start_weapons = g_weaponarena_weapons = weapons_devall();
594         }
595 }
596
597 void weaponarena_available_most_update(entity this)
598 {
599         if (weaponsInMapAll)
600         {
601                 start_weapons = warmup_start_weapons = g_weaponarena_weapons = weapons_start() | (weaponsInMapAll & weapons_most());
602         }
603         else
604         {
605                 // if no weapons are available on the map, just fall back to most weapons arena
606                 start_weapons = warmup_start_weapons = g_weaponarena_weapons = weapons_most();
607         }
608 }
609
610 void readplayerstartcvars()
611 {
612         float i, t;
613
614         // initialize starting values for players
615         start_weapons = '0 0 0';
616         start_weapons_default = '0 0 0';
617         start_weapons_defaultmask = '0 0 0';
618         start_items = 0;
619         start_ammo_shells = 0;
620         start_ammo_nails = 0;
621         start_ammo_rockets = 0;
622         start_ammo_cells = 0;
623         start_ammo_plasma = 0;
624         if (random_start_ammo == NULL)
625         {
626                 random_start_ammo = spawn();
627         }
628         start_health = cvar("g_balance_health_start");
629         start_armorvalue = cvar("g_balance_armor_start");
630
631         g_weaponarena = 0;
632         g_weaponarena_weapons = '0 0 0';
633
634         string s = cvar_string("g_weaponarena");
635
636         MUTATOR_CALLHOOK(SetWeaponArena, s);
637         s = M_ARGV(0, string);
638
639         if (s == "0" || s == "")
640         {
641                 // no arena
642         }
643         else if (s == "off")
644         {
645                 // forcibly turn off weaponarena
646         }
647         else if (s == "all" || s == "1")
648         {
649                 g_weaponarena = 1;
650                 g_weaponarena_list = "All Weapons";
651                 g_weaponarena_weapons = weapons_all();
652         }
653         else if (s == "devall")
654         {
655                 g_weaponarena = 1;
656                 g_weaponarena_list = "Dev All Weapons";
657                 g_weaponarena_weapons = weapons_devall();
658         }
659         else if (s == "most")
660         {
661                 g_weaponarena = 1;
662                 g_weaponarena_list = "Most Weapons";
663                 g_weaponarena_weapons = weapons_most();
664         }
665         else if (s == "all_available")
666         {
667                 g_weaponarena = 1;
668                 g_weaponarena_list = "All Available Weapons";
669
670                 // this needs to run after weaponsInMapAll is initialized
671                 InitializeEntity(NULL, weaponarena_available_all_update, INITPRIO_FINDTARGET);
672         }
673         else if (s == "devall_available")
674         {
675                 g_weaponarena = 1;
676                 g_weaponarena_list = "Dev All Available Weapons";
677
678                 // this needs to run after weaponsInMapAll is initialized
679                 InitializeEntity(NULL, weaponarena_available_devall_update, INITPRIO_FINDTARGET);
680         }
681         else if (s == "most_available")
682         {
683                 g_weaponarena = 1;
684                 g_weaponarena_list = "Most Available Weapons";
685
686                 // this needs to run after weaponsInMapAll is initialized
687                 InitializeEntity(NULL, weaponarena_available_most_update, INITPRIO_FINDTARGET);
688         }
689         else if (s == "none")
690         {
691                 g_weaponarena = 1;
692                 g_weaponarena_list = "No Weapons";
693         }
694         else
695         {
696                 g_weaponarena = 1;
697                 t = tokenize_console(s);
698                 g_weaponarena_list = "";
699                 for (i = 0; i < t; ++i)
700                 {
701                         s = argv(i);
702                         Weapon wep = Weapons_fromstr(s);
703                         if(wep != WEP_Null)
704                         {
705                                 g_weaponarena_weapons |= (wep.m_wepset);
706                                 g_weaponarena_list = strcat(g_weaponarena_list, wep.m_name, " & ");
707                         }
708                 }
709                 g_weaponarena_list = strzone(substring(g_weaponarena_list, 0, strlen(g_weaponarena_list) - 3));
710         }
711
712         if (g_weaponarena)
713         {
714                 g_weapon_stay = 0; // incompatible
715                 start_weapons = g_weaponarena_weapons;
716                 start_items |= IT_UNLIMITED_AMMO;
717         }
718         else
719         {
720                 FOREACH(Weapons, it != WEP_Null, {
721                         int w = want_weapon(it, false);
722                         WepSet s = it.m_wepset;
723                         if(w & 1)
724                                 start_weapons |= s;
725                         if(w & 2)
726                                 start_weapons_default |= s;
727                         if(w & 4)
728                                 start_weapons_defaultmask |= s;
729                 });
730         }
731
732         if(cvar("g_balance_superweapons_time") < 0)
733                 start_items |= IT_UNLIMITED_SUPERWEAPONS;
734
735         if(!cvar("g_use_ammunition"))
736                 start_items |= IT_UNLIMITED_AMMO;
737
738         if(start_items & IT_UNLIMITED_WEAPON_AMMO)
739         {
740                 start_ammo_shells = 999;
741                 start_ammo_nails = 999;
742                 start_ammo_rockets = 999;
743                 start_ammo_cells = 999;
744                 start_ammo_plasma = 999;
745                 start_ammo_fuel = 999;
746         }
747         else
748         {
749                 start_ammo_shells = cvar("g_start_ammo_shells");
750                 start_ammo_nails = cvar("g_start_ammo_nails");
751                 start_ammo_rockets = cvar("g_start_ammo_rockets");
752                 start_ammo_cells = cvar("g_start_ammo_cells");
753                 start_ammo_plasma = cvar("g_start_ammo_plasma");
754                 start_ammo_fuel = cvar("g_start_ammo_fuel");
755                 random_start_weapons_count = cvar("g_random_start_weapons_count");
756                 SetResource(random_start_ammo, RES_SHELLS, cvar("g_random_start_shells"));
757                 SetResource(random_start_ammo, RES_BULLETS, cvar("g_random_start_bullets"));
758                 SetResource(random_start_ammo, RES_ROCKETS,cvar("g_random_start_rockets"));
759                 SetResource(random_start_ammo, RES_CELLS, cvar("g_random_start_cells"));
760                 SetResource(random_start_ammo, RES_PLASMA, cvar("g_random_start_plasma"));
761         }
762
763         warmup_start_ammo_shells = start_ammo_shells;
764         warmup_start_ammo_nails = start_ammo_nails;
765         warmup_start_ammo_rockets = start_ammo_rockets;
766         warmup_start_ammo_cells = start_ammo_cells;
767         warmup_start_ammo_plasma = start_ammo_plasma;
768         warmup_start_ammo_fuel = start_ammo_fuel;
769         warmup_start_health = start_health;
770         warmup_start_armorvalue = start_armorvalue;
771         warmup_start_weapons = start_weapons;
772         warmup_start_weapons_default = start_weapons_default;
773         warmup_start_weapons_defaultmask = start_weapons_defaultmask;
774
775         if (!g_weaponarena)
776         {
777                 warmup_start_ammo_shells = cvar("g_warmup_start_ammo_shells");
778                 warmup_start_ammo_nails = cvar("g_warmup_start_ammo_nails");
779                 warmup_start_ammo_rockets = cvar("g_warmup_start_ammo_rockets");
780                 warmup_start_ammo_cells = cvar("g_warmup_start_ammo_cells");
781                 warmup_start_ammo_plasma = cvar("g_warmup_start_ammo_plasma");
782                 warmup_start_ammo_fuel = cvar("g_warmup_start_ammo_fuel");
783                 warmup_start_health = cvar("g_warmup_start_health");
784                 warmup_start_armorvalue = cvar("g_warmup_start_armor");
785                 warmup_start_weapons = '0 0 0';
786                 warmup_start_weapons_default = '0 0 0';
787                 warmup_start_weapons_defaultmask = '0 0 0';
788                 FOREACH(Weapons, it != WEP_Null, {
789                         int w = want_weapon(it, g_warmup_allguns);
790                         WepSet s = it.m_wepset;
791                         if(w & 1)
792                                 warmup_start_weapons |= s;
793                         if(w & 2)
794                                 warmup_start_weapons_default |= s;
795                         if(w & 4)
796                                 warmup_start_weapons_defaultmask |= s;
797                 });
798         }
799
800         if (g_jetpack)
801                 start_items |= ITEM_Jetpack.m_itemid;
802
803         MUTATOR_CALLHOOK(SetStartItems);
804
805         if (start_items & ITEM_Jetpack.m_itemid)
806         {
807                 start_items |= ITEM_JetpackRegen.m_itemid;
808                 start_ammo_fuel = max(start_ammo_fuel, cvar("g_balance_fuel_rotstable"));
809                 warmup_start_ammo_fuel = max(warmup_start_ammo_fuel, cvar("g_balance_fuel_rotstable"));
810         }
811
812         start_ammo_shells = max(0, start_ammo_shells);
813         start_ammo_nails = max(0, start_ammo_nails);
814         start_ammo_rockets = max(0, start_ammo_rockets);
815         start_ammo_cells = max(0, start_ammo_cells);
816         start_ammo_plasma = max(0, start_ammo_plasma);
817         start_ammo_fuel = max(0, start_ammo_fuel);
818         SetResource(random_start_ammo, RES_SHELLS,
819                 max(0, GetResource(random_start_ammo, RES_SHELLS)));
820         SetResource(random_start_ammo, RES_BULLETS,
821                 max(0, GetResource(random_start_ammo, RES_BULLETS)));
822         SetResource(random_start_ammo, RES_ROCKETS,
823                 max(0, GetResource(random_start_ammo, RES_ROCKETS)));
824         SetResource(random_start_ammo, RES_CELLS,
825                 max(0, GetResource(random_start_ammo, RES_CELLS)));
826         SetResource(random_start_ammo, RES_PLASMA,
827                 max(0, GetResource(random_start_ammo, RES_PLASMA)));
828
829         warmup_start_ammo_shells = max(0, warmup_start_ammo_shells);
830         warmup_start_ammo_nails = max(0, warmup_start_ammo_nails);
831         warmup_start_ammo_rockets = max(0, warmup_start_ammo_rockets);
832         warmup_start_ammo_cells = max(0, warmup_start_ammo_cells);
833         warmup_start_ammo_plasma = max(0, warmup_start_ammo_plasma);
834         warmup_start_ammo_fuel = max(0, warmup_start_ammo_fuel);
835 }
836
837 void precache_playermodel(string m)
838 {
839         float globhandle, i, n;
840         string f;
841
842         if(substring(m, -9, 5) == "_lod1")
843                 return;
844         if(substring(m, -9, 5) == "_lod2")
845                 return;
846         precache_model(m);
847         f = strcat(substring(m, 0, -5), "_lod1", substring(m, -4, -1));
848         if(fexists(f))
849                 precache_model(f);
850         f = strcat(substring(m, 0, -5), "_lod2", substring(m, -4, -1));
851         if(fexists(f))
852                 precache_model(f);
853
854         globhandle = search_begin(strcat(m, "_*.sounds"), true, false);
855         if (globhandle < 0)
856                 return;
857         n = search_getsize(globhandle);
858         for (i = 0; i < n; ++i)
859         {
860                 //print(search_getfilename(globhandle, i), "\n");
861                 f = search_getfilename(globhandle, i);
862                 PrecachePlayerSounds(f);
863         }
864         search_end(globhandle);
865 }
866 void precache_all_playermodels(string pattern)
867 {
868         int globhandle = search_begin(pattern, true, false);
869         if (globhandle < 0) return;
870         int n = search_getsize(globhandle);
871         for (int i = 0; i < n; ++i)
872         {
873                 string s = search_getfilename(globhandle, i);
874                 precache_playermodel(s);
875         }
876         search_end(globhandle);
877 }
878
879 void precache_playermodels(string s)
880 {
881         FOREACH_WORD(s, true, { precache_playermodel(it); });
882 }
883
884 void precache()
885 {
886     // gamemode related things
887
888     // Precache all player models if desired
889     if (autocvar_sv_precacheplayermodels)
890     {
891         PrecachePlayerSounds("sound/player/default.sounds");
892         precache_all_playermodels("models/player/*.zym");
893         precache_all_playermodels("models/player/*.dpm");
894         precache_all_playermodels("models/player/*.md3");
895         precache_all_playermodels("models/player/*.psk");
896         precache_all_playermodels("models/player/*.iqm");
897     }
898
899     if (autocvar_sv_defaultcharacter)
900     {
901                 precache_playermodels(autocvar_sv_defaultplayermodel_red);
902                 precache_playermodels(autocvar_sv_defaultplayermodel_blue);
903                 precache_playermodels(autocvar_sv_defaultplayermodel_yellow);
904                 precache_playermodels(autocvar_sv_defaultplayermodel_pink);
905                 precache_playermodels(autocvar_sv_defaultplayermodel);
906     }
907
908 #if 0
909     // Disabled this code because it simply does not work (e.g. ignores bgmvolume, overlaps with "cd loop" controlled tracks).
910
911     if (!this.noise && this.music) // quake 3 uses the music field
912         this.noise = this.music;
913
914     // plays music for the level if there is any
915     if (this.noise)
916     {
917         precache_sound (this.noise);
918         ambientsound ('0 0 0', this.noise, VOL_BASE, ATTEN_NONE);
919     }
920 #endif
921 }
922
923
924 void make_safe_for_remove(entity e)
925 {
926     if (e.initialize_entity)
927     {
928         entity ent, prev = NULL;
929         for (ent = initialize_entity_first; ent; )
930         {
931             if ((ent == e) || ((ent.classname == "initialize_entity") && (ent.enemy == e)))
932             {
933                 //print("make_safe_for_remove: getting rid of initializer ", etos(ent), "\n");
934                 // skip it in linked list
935                 if (prev)
936                 {
937                     prev.initialize_entity_next = ent.initialize_entity_next;
938                     ent = prev.initialize_entity_next;
939                 }
940                 else
941                 {
942                     initialize_entity_first = ent.initialize_entity_next;
943                     ent = initialize_entity_first;
944                 }
945             }
946             else
947             {
948                 prev = ent;
949                 ent = ent.initialize_entity_next;
950             }
951         }
952     }
953 }
954
955 .float remove_except_protected_forbidden;
956 void remove_except_protected(entity e)
957 {
958         if(e.remove_except_protected_forbidden)
959                 error("not allowed to remove this at this point");
960         builtin_remove(e);
961 }
962
963 void remove_unsafely(entity e)
964 {
965     if(e.classname == "spike")
966         error("Removing spikes is forbidden (crylink bug), please report");
967     builtin_remove(e);
968 }
969
970 void remove_safely(entity e)
971 {
972     make_safe_for_remove(e);
973     builtin_remove(e);
974 }
975
976 void InitializeEntity(entity e, void(entity this) func, int order)
977 {
978     entity prev, cur;
979
980     if (!e || e.initialize_entity)
981     {
982         // make a proxy initializer entity
983         entity e_old = e;
984         e = new(initialize_entity);
985         e.enemy = e_old;
986     }
987
988     e.initialize_entity = func;
989     e.initialize_entity_order = order;
990
991     cur = initialize_entity_first;
992     prev = NULL;
993     for (;;)
994     {
995         if (!cur || cur.initialize_entity_order > order)
996         {
997             // insert between prev and cur
998             if (prev)
999                 prev.initialize_entity_next = e;
1000             else
1001                 initialize_entity_first = e;
1002             e.initialize_entity_next = cur;
1003             return;
1004         }
1005         prev = cur;
1006         cur = cur.initialize_entity_next;
1007     }
1008 }
1009 void InitializeEntitiesRun()
1010 {
1011     entity startoflist = initialize_entity_first;
1012     initialize_entity_first = NULL;
1013     delete_fn = remove_except_protected;
1014     for (entity e = startoflist; e; e = e.initialize_entity_next)
1015     {
1016                 e.remove_except_protected_forbidden = 1;
1017     }
1018     for (entity e = startoflist; e; )
1019     {
1020                 e.remove_except_protected_forbidden = 0;
1021         e.initialize_entity_order = 0;
1022         entity next = e.initialize_entity_next;
1023         e.initialize_entity_next = NULL;
1024         var void(entity this) func = e.initialize_entity;
1025         e.initialize_entity = func_null;
1026         if (e.classname == "initialize_entity")
1027         {
1028             entity wrappee = e.enemy;
1029             builtin_remove(e);
1030             e = wrappee;
1031         }
1032         //dprint("Delayed initialization: ", e.classname, "\n");
1033         if (func)
1034         {
1035                 func(e);
1036         }
1037         else
1038         {
1039             eprint(e);
1040             backtrace(strcat("Null function in: ", e.classname, "\n"));
1041         }
1042         e = next;
1043     }
1044     delete_fn = remove_unsafely;
1045 }
1046
1047 .float(entity) isEliminated;
1048 bool EliminatedPlayers_SendEntity(entity this, entity to, float sendflags)
1049 {
1050         Stream out = MSG_ENTITY;
1051         WriteHeader(out, ENT_CLIENT_ELIMINATEDPLAYERS);
1052         serialize(byte, out, sendflags);
1053         if (sendflags & 1) {
1054                 for (int i = 1; i <= maxclients; i += 8) {
1055                         int f = 0;
1056                         entity e = edict_num(i);
1057                         for (int b = 0; b < 8; ++b, e = nextent(e)) {
1058                                 if (eliminatedPlayers.isEliminated(e)) {
1059                                         f |= BIT(b);
1060                                 }
1061                         }
1062                         serialize(byte, out, f);
1063                 }
1064         }
1065         return true;
1066 }
1067
1068 void EliminatedPlayers_Init(float(entity) isEliminated_func)
1069 {
1070         if(eliminatedPlayers)
1071         {
1072                 backtrace("Can't spawn eliminatedPlayers again!");
1073                 return;
1074         }
1075         Net_LinkEntity(eliminatedPlayers = spawn(), false, 0, EliminatedPlayers_SendEntity);
1076         eliminatedPlayers.isEliminated = isEliminated_func;
1077 }
1078
1079
1080
1081
1082 void adaptor_think2use_hittype_splash(entity this) // for timed projectile detonation
1083 {
1084         if(!(IS_ONGROUND(this))) // if onground, we ARE touching something, but HITTYPE_SPLASH is to be networked if the damage causing projectile is not touching ANYTHING
1085                 this.projectiledeathtype |= HITTYPE_SPLASH;
1086         adaptor_think2use(this);
1087 }
1088
1089 // deferred dropping
1090 void DropToFloor_Handler(entity this)
1091 {
1092     WITHSELF(this, builtin_droptofloor());
1093     this.dropped_origin = this.origin;
1094 }
1095
1096 void droptofloor(entity this)
1097 {
1098     InitializeEntity(this, DropToFloor_Handler, INITPRIO_DROPTOFLOOR);
1099 }
1100
1101
1102
1103 float trace_hits_box_a0, trace_hits_box_a1;
1104
1105 float trace_hits_box_1d(float end, float thmi, float thma)
1106 {
1107     if (end == 0)
1108     {
1109         // just check if x is in range
1110         if (0 < thmi)
1111             return false;
1112         if (0 > thma)
1113             return false;
1114     }
1115     else
1116     {
1117         // do the trace with respect to x
1118         // 0 -> end has to stay in thmi -> thma
1119         trace_hits_box_a0 = max(trace_hits_box_a0, min(thmi / end, thma / end));
1120         trace_hits_box_a1 = min(trace_hits_box_a1, max(thmi / end, thma / end));
1121         if (trace_hits_box_a0 > trace_hits_box_a1)
1122             return false;
1123     }
1124     return true;
1125 }
1126
1127 float trace_hits_box(vector start, vector end, vector thmi, vector thma)
1128 {
1129     end -= start;
1130     thmi -= start;
1131     thma -= start;
1132     // now it is a trace from 0 to end
1133
1134     trace_hits_box_a0 = 0;
1135     trace_hits_box_a1 = 1;
1136
1137     if (!trace_hits_box_1d(end.x, thmi.x, thma.x))
1138         return false;
1139     if (!trace_hits_box_1d(end.y, thmi.y, thma.y))
1140         return false;
1141     if (!trace_hits_box_1d(end.z, thmi.z, thma.z))
1142         return false;
1143
1144     return true;
1145 }
1146
1147 float tracebox_hits_box(vector start, vector mi, vector ma, vector end, vector thmi, vector thma)
1148 {
1149     return trace_hits_box(start, end, thmi - ma, thma - mi);
1150 }
1151
1152 bool SUB_NoImpactCheck(entity this, entity toucher)
1153 {
1154         // zero hitcontents = this is not the real impact, but either the
1155         // mirror-impact of something hitting the projectile instead of the
1156         // projectile hitting the something, or a touchareagrid one. Neither of
1157         // these stop the projectile from moving, so...
1158         if(trace_dphitcontents == 0)
1159         {
1160                 LOG_TRACEF("A hit from a projectile happened with no hit contents! DEBUG THIS, this should never happen for projectiles! Projectile will self-destruct. (edict: %i, classname: %s, origin: %v)", this, this.classname, this.origin);
1161                 checkclient(this); // TODO: .health is checked in the engine with this, possibly replace with a QC function?
1162         }
1163     if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOIMPACT)
1164         return true;
1165     if (toucher == NULL && this.size != '0 0 0')
1166     {
1167         vector tic;
1168         tic = this.velocity * sys_frametime;
1169         tic = tic + normalize(tic) * vlen(this.maxs - this.mins);
1170         traceline(this.origin - tic, this.origin + tic, MOVE_NORMAL, this);
1171         if (trace_fraction >= 1)
1172         {
1173             LOG_TRACE("Odd... did not hit...?");
1174         }
1175         else if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOIMPACT)
1176         {
1177             LOG_TRACE("Detected and prevented the sky-grapple bug.");
1178             return true;
1179         }
1180     }
1181
1182     return false;
1183 }
1184
1185 #define SUB_OwnerCheck(ent,oth) ((oth) && ((oth) == (ent).owner))
1186
1187 bool WarpZone_Projectile_Touch_ImpactFilter_Callback(entity this, entity toucher)
1188 {
1189         if(SUB_OwnerCheck(this, toucher))
1190                 return true;
1191         if(SUB_NoImpactCheck(this, toucher))
1192         {
1193                 if(this.classname == "nade")
1194                         return false; // no checks here
1195                 else if(this.classname == "grapplinghook")
1196                         RemoveHook(this);
1197                 else if(this.classname == "spike")
1198                 {
1199                         W_Crylink_Dequeue(this);
1200                         delete(this);
1201                 }
1202                 else
1203                         delete(this);
1204                 return true;
1205         }
1206         if(trace_ent && trace_ent.solid > SOLID_TRIGGER)
1207                 UpdateCSQCProjectile(this);
1208         return false;
1209 }
1210
1211 /** engine callback */
1212 void URI_Get_Callback(float id, float status, string data)
1213 {
1214         if(url_URI_Get_Callback(id, status, data))
1215         {
1216                 // handled
1217         }
1218         else if (id == URI_GET_DISCARD)
1219         {
1220                 // discard
1221         }
1222         else if (id >= URI_GET_CURL && id <= URI_GET_CURL_END)
1223         {
1224                 // sv_cmd curl
1225                 Curl_URI_Get_Callback(id, status, data);
1226         }
1227         else if (id >= URI_GET_IPBAN && id <= URI_GET_IPBAN_END)
1228         {
1229                 // online ban list
1230                 OnlineBanList_URI_Get_Callback(id, status, data);
1231         }
1232         else if (MUTATOR_CALLHOOK(URI_GetCallback, id, status, data))
1233         {
1234                 // handled by a mutator
1235         }
1236         else
1237         {
1238                 LOG_INFO("Received HTTP request data for an invalid id ", ftos(id), ".");
1239         }
1240 }
1241
1242 string uid2name(string myuid) {
1243         string s;
1244         s = db_get(ServerProgsDB, strcat("/uid2name/", myuid));
1245
1246         // FIXME remove this later after 0.6 release
1247         // convert old style broken records to correct style
1248         if(s == "")
1249         {
1250                 s = db_get(ServerProgsDB, strcat("uid2name", myuid));
1251                 if(s != "")
1252                 {
1253                         db_put(ServerProgsDB, strcat("/uid2name/", myuid), s);
1254                         db_remove(ServerProgsDB, strcat("uid2name", myuid));
1255                 }
1256         }
1257
1258         if(s == "")
1259                 s = "^1Unregistered Player";
1260         return s;
1261 }
1262
1263 float MoveToRandomLocationWithinBounds(entity e, vector boundmin, vector boundmax, float goodcontents, float badcontents, float badsurfaceflags, float attempts, float maxaboveground, float minviewdistance)
1264 {
1265     float m, i;
1266     vector start, org, delta, end, enddown, mstart;
1267
1268     m = e.dphitcontentsmask;
1269     e.dphitcontentsmask = goodcontents | badcontents;
1270
1271     org = boundmin;
1272     delta = boundmax - boundmin;
1273
1274     start = end = org;
1275
1276     for (i = 0; i < attempts; ++i)
1277     {
1278         start.x = org.x + random() * delta.x;
1279         start.y = org.y + random() * delta.y;
1280         start.z = org.z + random() * delta.z;
1281
1282         // rule 1: start inside world bounds, and outside
1283         // solid, and don't start from somewhere where you can
1284         // fall down to evil
1285         tracebox(start, e.mins, e.maxs, start - '0 0 1' * delta.z, MOVE_NORMAL, e);
1286         if (trace_fraction >= 1)
1287             continue;
1288         if (trace_startsolid)
1289             continue;
1290         if (trace_dphitcontents & badcontents)
1291             continue;
1292         if (trace_dphitq3surfaceflags & badsurfaceflags)
1293             continue;
1294
1295         // rule 2: if we are too high, lower the point
1296         if (trace_fraction * delta.z > maxaboveground)
1297             start = trace_endpos + '0 0 1' * maxaboveground;
1298         enddown = trace_endpos;
1299
1300         // rule 3: make sure we aren't outside the map. This only works
1301         // for somewhat well formed maps. A good rule of thumb is that
1302         // the map should have a convex outside hull.
1303         // these can be traceLINES as we already verified the starting box
1304         mstart = start + 0.5 * (e.mins + e.maxs);
1305         traceline(mstart, mstart + '1 0 0' * delta.x, MOVE_NORMAL, e);
1306         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1307             continue;
1308         traceline(mstart, mstart - '1 0 0' * delta.x, MOVE_NORMAL, e);
1309         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1310             continue;
1311         traceline(mstart, mstart + '0 1 0' * delta.y, MOVE_NORMAL, e);
1312         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1313             continue;
1314         traceline(mstart, mstart - '0 1 0' * delta.y, MOVE_NORMAL, e);
1315         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1316             continue;
1317         traceline(mstart, mstart + '0 0 1' * delta.z, MOVE_NORMAL, e);
1318         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1319             continue;
1320
1321         // rule 4: we must "see" some spawnpoint or item
1322     entity sp = NULL;
1323     IL_EACH(g_spawnpoints, checkpvs(mstart, it),
1324     {
1325         if((traceline(mstart, it.origin, MOVE_NORMAL, e), trace_fraction) >= 1)
1326         {
1327                 sp = it;
1328                 break;
1329         }
1330     });
1331         if(!sp)
1332         {
1333                 int items_checked = 0;
1334                 IL_EACH(g_items, checkpvs(mstart, it),
1335                 {
1336                         if((traceline(mstart, it.origin + (it.mins + it.maxs) * 0.5, MOVE_NORMAL, e), trace_fraction) >= 1)
1337                         {
1338                                 sp = it;
1339                                 break;
1340                         }
1341
1342                         ++items_checked;
1343                         if(items_checked >= attempts)
1344                                 break; // sanity
1345                 });
1346
1347                 if(!sp)
1348                         continue;
1349         }
1350
1351         // find a random vector to "look at"
1352         end.x = org.x + random() * delta.x;
1353         end.y = org.y + random() * delta.y;
1354         end.z = org.z + random() * delta.z;
1355         end = start + normalize(end - start) * vlen(delta);
1356
1357         // rule 4: start TO end must not be too short
1358         tracebox(start, e.mins, e.maxs, end, MOVE_NORMAL, e);
1359         if (trace_startsolid)
1360             continue;
1361         if (trace_fraction < minviewdistance / vlen(delta))
1362             continue;
1363
1364         // rule 5: don't want to look at sky
1365         if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_SKY)
1366             continue;
1367
1368         // rule 6: we must not end up in trigger_hurt
1369         if (tracebox_hits_trigger_hurt(start, e.mins, e.maxs, enddown))
1370             continue;
1371
1372         break;
1373     }
1374
1375     e.dphitcontentsmask = m;
1376
1377     if (i < attempts)
1378     {
1379         setorigin(e, start);
1380         e.angles = vectoangles(end - start);
1381         LOG_DEBUG("Needed ", ftos(i + 1), " attempts");
1382         return true;
1383     }
1384     else
1385         return false;
1386 }
1387
1388 float MoveToRandomMapLocation(entity e, float goodcontents, float badcontents, float badsurfaceflags, float attempts, float maxaboveground, float minviewdistance)
1389 {
1390         return MoveToRandomLocationWithinBounds(e, world.mins, world.maxs, goodcontents, badcontents, badsurfaceflags, attempts, maxaboveground, minviewdistance);
1391 }
1392
1393 void write_recordmarker(entity pl, float tstart, float dt)
1394 {
1395     GameLogEcho(strcat(":recordset:", ftos(pl.playerid), ":", ftos(dt)));
1396
1397     // also write a marker into demo files for demotc-race-record-extractor to find
1398     stuffcmd(pl,
1399              strcat(
1400                  strcat("//", strconv(2, 0, 0, GetGametype()), " RECORD SET ", TIME_ENCODED_TOSTRING(TIME_ENCODE(dt))),
1401                  " ", ftos(tstart), " ", ftos(dt), "\n"));
1402 }
1403
1404 void attach_sameorigin(entity e, entity to, string tag)
1405 {
1406     vector org, t_forward, t_left, t_up, e_forward, e_up;
1407     float tagscale;
1408
1409     org = e.origin - gettaginfo(to, gettagindex(to, tag));
1410     tagscale = (vlen(v_forward) ** -2); // undo a scale on the tag
1411     t_forward = v_forward * tagscale;
1412     t_left = v_right * -tagscale;
1413     t_up = v_up * tagscale;
1414
1415     e.origin_x = org * t_forward;
1416     e.origin_y = org * t_left;
1417     e.origin_z = org * t_up;
1418
1419     // current forward and up directions
1420     if (substring(e.model, 0, 1) == "*") // bmodels have their own rules
1421                 e.angles = AnglesTransform_FromVAngles(e.angles);
1422         else
1423                 e.angles = AnglesTransform_FromAngles(e.angles);
1424     fixedmakevectors(e.angles);
1425
1426     // untransform forward, up!
1427     e_forward.x = v_forward * t_forward;
1428     e_forward.y = v_forward * t_left;
1429     e_forward.z = v_forward * t_up;
1430     e_up.x = v_up * t_forward;
1431     e_up.y = v_up * t_left;
1432     e_up.z = v_up * t_up;
1433
1434     e.angles = fixedvectoangles2(e_forward, e_up);
1435     if (substring(e.model, 0, 1) == "*") // bmodels have their own rules
1436                 e.angles = AnglesTransform_ToVAngles(e.angles);
1437         else
1438                 e.angles = AnglesTransform_ToAngles(e.angles);
1439
1440     setattachment(e, to, tag);
1441     setorigin(e, e.origin);
1442 }
1443
1444 void detach_sameorigin(entity e)
1445 {
1446     vector org;
1447     org = gettaginfo(e, 0);
1448     e.angles = fixedvectoangles2(v_forward, v_up);
1449     if (substring(e.model, 0, 1) == "*") // bmodels have their own rules
1450                 e.angles = AnglesTransform_ToVAngles(e.angles);
1451         else
1452                 e.angles = AnglesTransform_ToAngles(e.angles);
1453     setorigin(e, org);
1454     setattachment(e, NULL, "");
1455     setorigin(e, e.origin);
1456 }
1457
1458 void follow_sameorigin(entity e, entity to)
1459 {
1460     set_movetype(e, MOVETYPE_FOLLOW); // make the hole follow
1461     e.aiment = to; // make the hole follow bmodel
1462     e.punchangle = to.angles; // the original angles of bmodel
1463     e.view_ofs = e.origin - to.origin; // relative origin
1464     e.v_angle = e.angles - to.angles; // relative angles
1465 }
1466
1467 void unfollow_sameorigin(entity e)
1468 {
1469     set_movetype(e, MOVETYPE_NONE);
1470 }
1471
1472 entity gettaginfo_relative_ent;
1473 vector gettaginfo_relative(entity e, float tag)
1474 {
1475     if (!gettaginfo_relative_ent)
1476     {
1477         gettaginfo_relative_ent = spawn();
1478         gettaginfo_relative_ent.effects = EF_NODRAW;
1479     }
1480     gettaginfo_relative_ent.model = e.model;
1481     gettaginfo_relative_ent.modelindex = e.modelindex;
1482     gettaginfo_relative_ent.frame = e.frame;
1483     return gettaginfo(gettaginfo_relative_ent, tag);
1484 }
1485
1486 .string aiment_classname;
1487 .float aiment_deadflag;
1488 void SetMovetypeFollow(entity ent, entity e)
1489 {
1490         // FIXME this may not be warpzone aware
1491         set_movetype(ent, MOVETYPE_FOLLOW); // make the hole follow
1492         ent.solid = SOLID_NOT; // MOVETYPE_FOLLOW is always non-solid - this means this cannot be teleported by warpzones any more! Instead, we must notice when our owner gets teleported.
1493         ent.aiment = e; // make the hole follow bmodel
1494         ent.punchangle = e.angles; // the original angles of bmodel
1495         ent.view_ofs = ent.origin - e.origin; // relative origin
1496         ent.v_angle = ent.angles - e.angles; // relative angles
1497         ent.aiment_classname = strzone(e.classname);
1498         ent.aiment_deadflag = e.deadflag;
1499 }
1500 void UnsetMovetypeFollow(entity ent)
1501 {
1502         set_movetype(ent, MOVETYPE_FLY);
1503         PROJECTILE_MAKETRIGGER(ent);
1504         ent.aiment = NULL;
1505 }
1506 float LostMovetypeFollow(entity ent)
1507 {
1508 /*
1509         if(ent.move_movetype != MOVETYPE_FOLLOW)
1510                 if(ent.aiment)
1511                         error("???");
1512 */
1513         if(ent.aiment)
1514         {
1515                 if(ent.aiment.classname != ent.aiment_classname)
1516                         return 1;
1517                 if(ent.aiment.deadflag != ent.aiment_deadflag)
1518                         return 1;
1519         }
1520         return 0;
1521 }
1522
1523 .bool pushable;
1524 bool isPushable(entity e)
1525 {
1526         if(e.pushable)
1527                 return true;
1528         if(IS_VEHICLE(e))
1529                 return false;
1530         if(e.iscreature)
1531                 return true;
1532         if (Item_IsLoot(e))
1533         {
1534                 return true;
1535         }
1536         switch(e.classname)
1537         {
1538                 case "body":
1539                         return true;
1540                 case "bullet": // antilagged bullets can't hit this either
1541                         return false;
1542         }
1543         if (e.projectiledeathtype)
1544                 return true;
1545         return false;
1546 }