Some minor cleanups and optimizations
[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_autoscreenshot, int, "cl_autoscreenshot");
394
395 REPLICATE(cvar_cl_autotaunt, float, "cl_autotaunt");
396
397 REPLICATE(cvar_cl_clippedspectating, bool, "cl_clippedspectating");
398
399 REPLICATE(cvar_cl_handicap, float, "cl_handicap");
400
401 REPLICATE(cvar_cl_jetpack_jump, bool, "cl_jetpack_jump");
402
403 REPLICATE(cvar_cl_movement_track_canjump, bool, "cl_movement_track_canjump");
404
405 REPLICATE(cvar_cl_newusekeysupported, bool, "cl_newusekeysupported");
406
407 REPLICATE(cvar_cl_noantilag, bool, "cl_noantilag");
408
409 REPLICATE(cvar_cl_physics, string, "cl_physics");
410
411 REPLICATE(cvar_cl_voice_directional, int, "cl_voice_directional");
412
413 REPLICATE(cvar_cl_voice_directional_taunt_attenuation, float, "cl_voice_directional_taunt_attenuation");
414
415 REPLICATE(cvar_cl_weaponimpulsemode, int, "cl_weaponimpulsemode");
416
417 REPLICATE(cvar_g_xonoticversion, string, "g_xonoticversion");
418
419 REPLICATE(cvar_cl_cts_noautoswitch, bool, "cl_cts_noautoswitch");
420
421 REPLICATE(cvar_cl_weapon_switch_reload, bool, "cl_weapon_switch_reload");
422
423 REPLICATE(cvar_cl_weapon_switch_fallback_to_impulse, bool, "cl_weapon_switch_fallback_to_impulse");
424
425 /**
426  * @param f -1: cleanup, 0: request, 1: receive
427  */
428 void GetCvars(entity this, entity store, int f)
429 {
430         string s = string_null;
431
432         if (f > 0)
433                 s = strcat1(argv(f));
434
435         get_cvars_f = f;
436         get_cvars_s = s;
437         MUTATOR_CALLHOOK(GetCvars);
438
439         Notification_GetCvars(this);
440
441         ReplicateVars(this, store, s, f);
442
443         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriority, "cl_weaponpriority", W_FixWeaponOrder_ForceComplete_AndBuildImpulseList);
444         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[0], "cl_weaponpriority0", W_FixWeaponOrder_AllowIncomplete);
445         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[1], "cl_weaponpriority1", W_FixWeaponOrder_AllowIncomplete);
446         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[2], "cl_weaponpriority2", W_FixWeaponOrder_AllowIncomplete);
447         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[3], "cl_weaponpriority3", W_FixWeaponOrder_AllowIncomplete);
448         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[4], "cl_weaponpriority4", W_FixWeaponOrder_AllowIncomplete);
449         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[5], "cl_weaponpriority5", W_FixWeaponOrder_AllowIncomplete);
450         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[6], "cl_weaponpriority6", W_FixWeaponOrder_AllowIncomplete);
451         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[7], "cl_weaponpriority7", W_FixWeaponOrder_AllowIncomplete);
452         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[8], "cl_weaponpriority8", W_FixWeaponOrder_AllowIncomplete);
453         GetCvars_handleString_Fixup(this, store, s, f, cvar_cl_weaponpriorities[9], "cl_weaponpriority9", W_FixWeaponOrder_AllowIncomplete);
454
455         GetCvars_handleFloat(this, store, s, f, cvar_cl_allow_uidtracking, "cl_allow_uidtracking");
456
457         // fixup of switchweapon (needed for LMS or when spectating is disabled, as PutClientInServer comes too early)
458         if (f > 0)
459         {
460                 if (s == "cl_weaponpriority")
461                 {
462                         for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
463                         {
464                                 .entity weaponentity = weaponentities[slot];
465                                 if (this.(weaponentity) && (this.(weaponentity).m_weapon != WEP_Null || slot == 0))
466                                         this.(weaponentity).m_switchweapon = w_getbestweapon(this, weaponentity);
467                         }
468                 }
469                 if (s == "cl_allow_uidtracking")
470                         PlayerStats_GameReport_AddPlayer(this);
471         }
472 }
473
474 // decolorizes and team colors the player name when needed
475 string playername(entity p, bool team_colorize)
476 {
477     string t;
478     if (team_colorize && teamplay && !intermission_running && IS_PLAYER(p))
479     {
480         t = Team_ColorCode(p.team);
481         return strcat(t, strdecolorize(p.netname));
482     }
483     else
484         return p.netname;
485 }
486
487 float want_weapon(entity weaponinfo, float allguns) // WEAPONTODO: what still needs done?
488 {
489         int i = weaponinfo.m_id;
490         int d = 0;
491         bool allow_mutatorblocked = false;
492
493         if(!i)
494                 return 0;
495
496         bool mutator_returnvalue = MUTATOR_CALLHOOK(WantWeapon, weaponinfo, d, allguns, allow_mutatorblocked);
497         d = M_ARGV(1, float);
498         allguns = M_ARGV(2, bool);
499         allow_mutatorblocked = M_ARGV(3, bool);
500
501         if(allguns)
502                 d = boolean(weaponinfo.spawnflags & WEP_FLAG_NORMAL);
503         else if(!mutator_returnvalue)
504                 d = !(!weaponinfo.weaponstart);
505
506         if(!allow_mutatorblocked && (weaponinfo.spawnflags & WEP_FLAG_MUTATORBLOCKED)) // never default mutator blocked guns
507                 d = 0;
508
509         float t = weaponinfo.weaponstartoverride;
510
511         //print(strcat("want_weapon: ", weaponinfo.netname, " - d: ", ftos(d), ", t: ", ftos(t), ". \n"));
512
513         // bit order in t:
514         // 1: want or not
515         // 2: is default?
516         // 4: is set by default?
517         if(t < 0)
518                 t = 4 | (3 * d);
519         else
520                 t |= (2 * d);
521
522         return t;
523 }
524
525 void readplayerstartcvars()
526 {
527         float i, t;
528         string s;
529
530         // initialize starting values for players
531         start_weapons = '0 0 0';
532         start_weapons_default = '0 0 0';
533         start_weapons_defaultmask = '0 0 0';
534         start_items = 0;
535         start_ammo_shells = 0;
536         start_ammo_nails = 0;
537         start_ammo_rockets = 0;
538         start_ammo_cells = 0;
539         start_ammo_plasma = 0;
540         if (random_start_ammo == NULL)
541         {
542                 random_start_ammo = spawn();
543         }
544         start_health = cvar("g_balance_health_start");
545         start_armorvalue = cvar("g_balance_armor_start");
546
547         g_weaponarena = 0;
548         g_weaponarena_weapons = '0 0 0';
549
550         s = cvar_string("g_weaponarena");
551
552         MUTATOR_CALLHOOK(SetWeaponArena, s);
553         s = M_ARGV(0, string);
554
555         if (s == "0" || s == "")
556         {
557                 // no arena
558         }
559         else if (s == "off")
560         {
561                 // forcibly turn off weaponarena
562         }
563         else if (s == "all" || s == "1")
564         {
565                 g_weaponarena = 1;
566                 g_weaponarena_list = "All Weapons";
567                 FOREACH(Weapons, it != WEP_Null, {
568                         if(!(it.spawnflags & WEP_FLAG_MUTATORBLOCKED))
569                                 g_weaponarena_weapons |= (it.m_wepset);
570                 });
571         }
572         else if (s == "devall")
573         {
574                 g_weaponarena = 1;
575                 g_weaponarena_list = "All Weapons"; // TODO: report as more than just all weapons?
576                 FOREACH(Weapons, it != WEP_Null,
577                 {
578                         g_weaponarena_weapons |= (it.m_wepset);
579                 });
580         }
581         else if (s == "most")
582         {
583                 g_weaponarena = 1;
584                 g_weaponarena_list = "Most Weapons";
585                 FOREACH(Weapons, it != WEP_Null, {
586                         if(!(it.spawnflags & WEP_FLAG_MUTATORBLOCKED))
587                                 if(it.spawnflags & WEP_FLAG_NORMAL)
588                                         g_weaponarena_weapons |= (it.m_wepset);
589                 });
590         }
591         else if (s == "none")
592         {
593                 g_weaponarena = 1;
594                 g_weaponarena_list = "No Weapons";
595         }
596         else
597         {
598                 g_weaponarena = 1;
599                 t = tokenize_console(s);
600                 g_weaponarena_list = "";
601                 for (i = 0; i < t; ++i)
602                 {
603                         s = argv(i);
604                         Weapon wep = Weapons_fromstr(s);
605                         if(wep != WEP_Null)
606                         {
607                                 g_weaponarena_weapons |= (wep.m_wepset);
608                                 g_weaponarena_list = strcat(g_weaponarena_list, wep.m_name, " & ");
609                         }
610                 }
611                 g_weaponarena_list = strzone(substring(g_weaponarena_list, 0, strlen(g_weaponarena_list) - 3));
612         }
613
614         if (g_weaponarena)
615         {
616                 g_weapon_stay = 0; // incompatible
617                 start_weapons = g_weaponarena_weapons;
618                 start_items |= IT_UNLIMITED_AMMO;
619         }
620         else
621         {
622                 FOREACH(Weapons, it != WEP_Null, {
623                         int w = want_weapon(it, false);
624                         WepSet s = it.m_wepset;
625                         if(w & 1)
626                                 start_weapons |= s;
627                         if(w & 2)
628                                 start_weapons_default |= s;
629                         if(w & 4)
630                                 start_weapons_defaultmask |= s;
631                 });
632         }
633
634         if(cvar("g_balance_superweapons_time") < 0)
635                 start_items |= IT_UNLIMITED_SUPERWEAPONS;
636
637         if(!cvar("g_use_ammunition"))
638                 start_items |= IT_UNLIMITED_AMMO;
639
640         if(start_items & IT_UNLIMITED_WEAPON_AMMO)
641         {
642                 start_ammo_shells = 999;
643                 start_ammo_nails = 999;
644                 start_ammo_rockets = 999;
645                 start_ammo_cells = 999;
646                 start_ammo_plasma = 999;
647                 start_ammo_fuel = 999;
648         }
649         else
650         {
651                 start_ammo_shells = cvar("g_start_ammo_shells");
652                 start_ammo_nails = cvar("g_start_ammo_nails");
653                 start_ammo_rockets = cvar("g_start_ammo_rockets");
654                 start_ammo_cells = cvar("g_start_ammo_cells");
655                 start_ammo_plasma = cvar("g_start_ammo_plasma");
656                 start_ammo_fuel = cvar("g_start_ammo_fuel");
657                 random_start_weapons_count = cvar("g_random_start_weapons_count");
658                 SetResource(random_start_ammo, RES_SHELLS, cvar(
659                         "g_random_start_shells"));
660                 SetResource(random_start_ammo, RES_BULLETS, cvar(
661                         "g_random_start_bullets"));
662                 SetResource(random_start_ammo, RES_ROCKETS,
663                         cvar("g_random_start_rockets"));
664                 SetResource(random_start_ammo, RES_CELLS, cvar(
665                         "g_random_start_cells"));
666                 SetResource(random_start_ammo, RES_PLASMA, cvar(
667                         "g_random_start_plasma"));
668         }
669
670         if (warmup_stage)
671         {
672                 warmup_start_ammo_shells = start_ammo_shells;
673                 warmup_start_ammo_nails = start_ammo_nails;
674                 warmup_start_ammo_rockets = start_ammo_rockets;
675                 warmup_start_ammo_cells = start_ammo_cells;
676                 warmup_start_ammo_plasma = start_ammo_plasma;
677                 warmup_start_ammo_fuel = start_ammo_fuel;
678                 warmup_start_health = start_health;
679                 warmup_start_armorvalue = start_armorvalue;
680                 warmup_start_weapons = start_weapons;
681                 warmup_start_weapons_default = start_weapons_default;
682                 warmup_start_weapons_defaultmask = start_weapons_defaultmask;
683
684                 if (!g_weaponarena && !g_ca && !g_freezetag)
685                 {
686                         warmup_start_ammo_shells = cvar("g_warmup_start_ammo_shells");
687                         warmup_start_ammo_nails = cvar("g_warmup_start_ammo_nails");
688                         warmup_start_ammo_rockets = cvar("g_warmup_start_ammo_rockets");
689                         warmup_start_ammo_cells = cvar("g_warmup_start_ammo_cells");
690                         warmup_start_ammo_plasma = cvar("g_warmup_start_ammo_plasma");
691                         warmup_start_ammo_fuel = cvar("g_warmup_start_ammo_fuel");
692                         warmup_start_health = cvar("g_warmup_start_health");
693                         warmup_start_armorvalue = cvar("g_warmup_start_armor");
694                         warmup_start_weapons = '0 0 0';
695                         warmup_start_weapons_default = '0 0 0';
696                         warmup_start_weapons_defaultmask = '0 0 0';
697                         FOREACH(Weapons, it != WEP_Null, {
698                                 int w = want_weapon(it, g_warmup_allguns);
699                                 WepSet s = (it.m_wepset);
700                                 if(w & 1)
701                                         warmup_start_weapons |= s;
702                                 if(w & 2)
703                                         warmup_start_weapons_default |= s;
704                                 if(w & 4)
705                                         warmup_start_weapons_defaultmask |= s;
706                         });
707                 }
708         }
709
710         if (g_jetpack)
711                 start_items |= ITEM_Jetpack.m_itemid;
712
713         MUTATOR_CALLHOOK(SetStartItems);
714
715         if (start_items & ITEM_Jetpack.m_itemid)
716         {
717                 start_items |= ITEM_JetpackRegen.m_itemid;
718                 start_ammo_fuel = max(start_ammo_fuel, cvar("g_balance_fuel_rotstable"));
719                 warmup_start_ammo_fuel = max(warmup_start_ammo_fuel, cvar("g_balance_fuel_rotstable"));
720         }
721
722         WepSet precache_weapons = start_weapons;
723         if (g_warmup_allguns != 1)
724                 precache_weapons |= warmup_start_weapons;
725         FOREACH(Weapons, it != WEP_Null, {
726                 if(precache_weapons & (it.m_wepset))
727                         it.wr_init(it);
728         });
729
730         start_ammo_shells = max(0, start_ammo_shells);
731         start_ammo_nails = max(0, start_ammo_nails);
732         start_ammo_rockets = max(0, start_ammo_rockets);
733         start_ammo_cells = max(0, start_ammo_cells);
734         start_ammo_plasma = max(0, start_ammo_plasma);
735         start_ammo_fuel = max(0, start_ammo_fuel);
736         SetResource(random_start_ammo, RES_SHELLS, max(0,
737                 GetResource(random_start_ammo, RES_SHELLS)));
738         SetResource(random_start_ammo, RES_BULLETS, max(0,
739                 GetResource(random_start_ammo, RES_BULLETS)));
740         SetResource(random_start_ammo, RES_ROCKETS, max(0,
741                 GetResource(random_start_ammo, RES_ROCKETS)));
742         SetResource(random_start_ammo, RES_CELLS, max(0,
743                 GetResource(random_start_ammo, RES_CELLS)));
744         SetResource(random_start_ammo, RES_PLASMA, max(0,
745                 GetResource(random_start_ammo, RES_PLASMA)));
746
747         warmup_start_ammo_shells = max(0, warmup_start_ammo_shells);
748         warmup_start_ammo_nails = max(0, warmup_start_ammo_nails);
749         warmup_start_ammo_rockets = max(0, warmup_start_ammo_rockets);
750         warmup_start_ammo_cells = max(0, warmup_start_ammo_cells);
751         warmup_start_ammo_plasma = max(0, warmup_start_ammo_plasma);
752         warmup_start_ammo_fuel = max(0, warmup_start_ammo_fuel);
753 }
754
755 void precache_playermodel(string m)
756 {
757         float globhandle, i, n;
758         string f;
759
760         if(substring(m, -9,5) == "_lod1")
761                 return;
762         if(substring(m, -9,5) == "_lod2")
763                 return;
764         precache_model(m);
765         f = strcat(substring(m, 0, -5), "_lod1", substring(m, -4, -1));
766         if(fexists(f))
767                 precache_model(f);
768         f = strcat(substring(m, 0, -5), "_lod2", substring(m, -4, -1));
769         if(fexists(f))
770                 precache_model(f);
771
772         globhandle = search_begin(strcat(m, "_*.sounds"), true, false);
773         if (globhandle < 0)
774                 return;
775         n = search_getsize(globhandle);
776         for (i = 0; i < n; ++i)
777         {
778                 //print(search_getfilename(globhandle, i), "\n");
779                 f = search_getfilename(globhandle, i);
780                 PrecachePlayerSounds(f);
781         }
782         search_end(globhandle);
783 }
784 void precache_all_playermodels(string pattern)
785 {
786         int globhandle = search_begin(pattern, true, false);
787         if (globhandle < 0) return;
788         int n = search_getsize(globhandle);
789         for (int i = 0; i < n; ++i)
790         {
791                 string s = search_getfilename(globhandle, i);
792                 precache_playermodel(s);
793         }
794         search_end(globhandle);
795 }
796
797 void precache_playermodels(string s)
798 {
799         FOREACH_WORD(s, true, { precache_playermodel(it); });
800 }
801
802 void precache()
803 {
804     // gamemode related things
805
806     // Precache all player models if desired
807     if (autocvar_sv_precacheplayermodels)
808     {
809         PrecachePlayerSounds("sound/player/default.sounds");
810         precache_all_playermodels("models/player/*.zym");
811         precache_all_playermodels("models/player/*.dpm");
812         precache_all_playermodels("models/player/*.md3");
813         precache_all_playermodels("models/player/*.psk");
814         precache_all_playermodels("models/player/*.iqm");
815     }
816
817     if (autocvar_sv_defaultcharacter)
818     {
819                 precache_playermodels(autocvar_sv_defaultplayermodel_red);
820                 precache_playermodels(autocvar_sv_defaultplayermodel_blue);
821                 precache_playermodels(autocvar_sv_defaultplayermodel_yellow);
822                 precache_playermodels(autocvar_sv_defaultplayermodel_pink);
823                 precache_playermodels(autocvar_sv_defaultplayermodel);
824     }
825
826 #if 0
827     // Disabled this code because it simply does not work (e.g. ignores bgmvolume, overlaps with "cd loop" controlled tracks).
828
829     if (!this.noise && this.music) // quake 3 uses the music field
830         this.noise = this.music;
831
832     // plays music for the level if there is any
833     if (this.noise)
834     {
835         precache_sound (this.noise);
836         ambientsound ('0 0 0', this.noise, VOL_BASE, ATTEN_NONE);
837     }
838 #endif
839 }
840
841
842 void make_safe_for_remove(entity e)
843 {
844     if (e.initialize_entity)
845     {
846         entity ent, prev = NULL;
847         for (ent = initialize_entity_first; ent; )
848         {
849             if ((ent == e) || ((ent.classname == "initialize_entity") && (ent.enemy == e)))
850             {
851                 //print("make_safe_for_remove: getting rid of initializer ", etos(ent), "\n");
852                 // skip it in linked list
853                 if (prev)
854                 {
855                     prev.initialize_entity_next = ent.initialize_entity_next;
856                     ent = prev.initialize_entity_next;
857                 }
858                 else
859                 {
860                     initialize_entity_first = ent.initialize_entity_next;
861                     ent = initialize_entity_first;
862                 }
863             }
864             else
865             {
866                 prev = ent;
867                 ent = ent.initialize_entity_next;
868             }
869         }
870     }
871 }
872
873 .float remove_except_protected_forbidden;
874 void remove_except_protected(entity e)
875 {
876         if(e.remove_except_protected_forbidden)
877                 error("not allowed to remove this at this point");
878         builtin_remove(e);
879 }
880
881 void remove_unsafely(entity e)
882 {
883     if(e.classname == "spike")
884         error("Removing spikes is forbidden (crylink bug), please report");
885     builtin_remove(e);
886 }
887
888 void remove_safely(entity e)
889 {
890     make_safe_for_remove(e);
891     builtin_remove(e);
892 }
893
894 void InitializeEntity(entity e, void(entity this) func, int order)
895 {
896     entity prev, cur;
897
898     if (!e || e.initialize_entity)
899     {
900         // make a proxy initializer entity
901         entity e_old = e;
902         e = new(initialize_entity);
903         e.enemy = e_old;
904     }
905
906     e.initialize_entity = func;
907     e.initialize_entity_order = order;
908
909     cur = initialize_entity_first;
910     prev = NULL;
911     for (;;)
912     {
913         if (!cur || cur.initialize_entity_order > order)
914         {
915             // insert between prev and cur
916             if (prev)
917                 prev.initialize_entity_next = e;
918             else
919                 initialize_entity_first = e;
920             e.initialize_entity_next = cur;
921             return;
922         }
923         prev = cur;
924         cur = cur.initialize_entity_next;
925     }
926 }
927 void InitializeEntitiesRun()
928 {
929     entity startoflist = initialize_entity_first;
930     initialize_entity_first = NULL;
931     delete_fn = remove_except_protected;
932     for (entity e = startoflist; e; e = e.initialize_entity_next)
933     {
934                 e.remove_except_protected_forbidden = 1;
935     }
936     for (entity e = startoflist; e; )
937     {
938                 e.remove_except_protected_forbidden = 0;
939         e.initialize_entity_order = 0;
940         entity next = e.initialize_entity_next;
941         e.initialize_entity_next = NULL;
942         var void(entity this) func = e.initialize_entity;
943         e.initialize_entity = func_null;
944         if (e.classname == "initialize_entity")
945         {
946             entity wrappee = e.enemy;
947             builtin_remove(e);
948             e = wrappee;
949         }
950         //dprint("Delayed initialization: ", e.classname, "\n");
951         if (func)
952         {
953                 func(e);
954         }
955         else
956         {
957             eprint(e);
958             backtrace(strcat("Null function in: ", e.classname, "\n"));
959         }
960         e = next;
961     }
962     delete_fn = remove_unsafely;
963 }
964
965 .float(entity) isEliminated;
966 bool EliminatedPlayers_SendEntity(entity this, entity to, float sendflags)
967 {
968         Stream out = MSG_ENTITY;
969         WriteHeader(out, ENT_CLIENT_ELIMINATEDPLAYERS);
970         serialize(byte, out, sendflags);
971         if (sendflags & 1) {
972                 for (int i = 1; i <= maxclients; i += 8) {
973                         int f = 0;
974                         entity e = edict_num(i);
975                         for (int b = 0; b < 8; ++b, e = nextent(e)) {
976                                 if (eliminatedPlayers.isEliminated(e)) {
977                                         f |= BIT(b);
978                                 }
979                         }
980                         serialize(byte, out, f);
981                 }
982         }
983         return true;
984 }
985
986 void EliminatedPlayers_Init(float(entity) isEliminated_func)
987 {
988         if(eliminatedPlayers)
989         {
990                 backtrace("Can't spawn eliminatedPlayers again!");
991                 return;
992         }
993         Net_LinkEntity(eliminatedPlayers = spawn(), false, 0, EliminatedPlayers_SendEntity);
994         eliminatedPlayers.isEliminated = isEliminated_func;
995 }
996
997
998
999
1000 void adaptor_think2use_hittype_splash(entity this) // for timed projectile detonation
1001 {
1002         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
1003                 this.projectiledeathtype |= HITTYPE_SPLASH;
1004         adaptor_think2use(this);
1005 }
1006
1007 // deferred dropping
1008 void DropToFloor_Handler(entity this)
1009 {
1010     WITHSELF(this, builtin_droptofloor());
1011     this.dropped_origin = this.origin;
1012 }
1013
1014 void droptofloor(entity this)
1015 {
1016     InitializeEntity(this, DropToFloor_Handler, INITPRIO_DROPTOFLOOR);
1017 }
1018
1019
1020
1021 float trace_hits_box_a0, trace_hits_box_a1;
1022
1023 float trace_hits_box_1d(float end, float thmi, float thma)
1024 {
1025     if (end == 0)
1026     {
1027         // just check if x is in range
1028         if (0 < thmi)
1029             return false;
1030         if (0 > thma)
1031             return false;
1032     }
1033     else
1034     {
1035         // do the trace with respect to x
1036         // 0 -> end has to stay in thmi -> thma
1037         trace_hits_box_a0 = max(trace_hits_box_a0, min(thmi / end, thma / end));
1038         trace_hits_box_a1 = min(trace_hits_box_a1, max(thmi / end, thma / end));
1039         if (trace_hits_box_a0 > trace_hits_box_a1)
1040             return false;
1041     }
1042     return true;
1043 }
1044
1045 float trace_hits_box(vector start, vector end, vector thmi, vector thma)
1046 {
1047     end -= start;
1048     thmi -= start;
1049     thma -= start;
1050     // now it is a trace from 0 to end
1051
1052     trace_hits_box_a0 = 0;
1053     trace_hits_box_a1 = 1;
1054
1055     if (!trace_hits_box_1d(end.x, thmi.x, thma.x))
1056         return false;
1057     if (!trace_hits_box_1d(end.y, thmi.y, thma.y))
1058         return false;
1059     if (!trace_hits_box_1d(end.z, thmi.z, thma.z))
1060         return false;
1061
1062     return true;
1063 }
1064
1065 float tracebox_hits_box(vector start, vector mi, vector ma, vector end, vector thmi, vector thma)
1066 {
1067     return trace_hits_box(start, end, thmi - ma, thma - mi);
1068 }
1069
1070 bool SUB_NoImpactCheck(entity this, entity toucher)
1071 {
1072         // zero hitcontents = this is not the real impact, but either the
1073         // mirror-impact of something hitting the projectile instead of the
1074         // projectile hitting the something, or a touchareagrid one. Neither of
1075         // these stop the projectile from moving, so...
1076         if(trace_dphitcontents == 0)
1077         {
1078                 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);
1079                 checkclient(this); // TODO: .health is checked in the engine with this, possibly replace with a QC function?
1080         }
1081     if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOIMPACT)
1082         return true;
1083     if (toucher == NULL && this.size != '0 0 0')
1084     {
1085         vector tic;
1086         tic = this.velocity * sys_frametime;
1087         tic = tic + normalize(tic) * vlen(this.maxs - this.mins);
1088         traceline(this.origin - tic, this.origin + tic, MOVE_NORMAL, this);
1089         if (trace_fraction >= 1)
1090         {
1091             LOG_TRACE("Odd... did not hit...?");
1092         }
1093         else if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOIMPACT)
1094         {
1095             LOG_TRACE("Detected and prevented the sky-grapple bug.");
1096             return true;
1097         }
1098     }
1099
1100     return false;
1101 }
1102
1103 #define SUB_OwnerCheck(ent,oth) ((oth) && ((oth) == (ent).owner))
1104
1105 bool WarpZone_Projectile_Touch_ImpactFilter_Callback(entity this, entity toucher)
1106 {
1107         if(SUB_OwnerCheck(this, toucher))
1108                 return true;
1109         if(SUB_NoImpactCheck(this, toucher))
1110         {
1111                 if(this.classname == "nade")
1112                         return false; // no checks here
1113                 else if(this.classname == "grapplinghook")
1114                         RemoveHook(this);
1115                 else if(this.classname == "spike")
1116                 {
1117                         W_Crylink_Dequeue(this);
1118                         delete(this);
1119                 }
1120                 else
1121                         delete(this);
1122                 return true;
1123         }
1124         if(trace_ent && trace_ent.solid > SOLID_TRIGGER)
1125                 UpdateCSQCProjectile(this);
1126         return false;
1127 }
1128
1129 /** engine callback */
1130 void URI_Get_Callback(float id, float status, string data)
1131 {
1132         if(url_URI_Get_Callback(id, status, data))
1133         {
1134                 // handled
1135         }
1136         else if (id == URI_GET_DISCARD)
1137         {
1138                 // discard
1139         }
1140         else if (id >= URI_GET_CURL && id <= URI_GET_CURL_END)
1141         {
1142                 // sv_cmd curl
1143                 Curl_URI_Get_Callback(id, status, data);
1144         }
1145         else if (id >= URI_GET_IPBAN && id <= URI_GET_IPBAN_END)
1146         {
1147                 // online ban list
1148                 OnlineBanList_URI_Get_Callback(id, status, data);
1149         }
1150         else if (MUTATOR_CALLHOOK(URI_GetCallback, id, status, data))
1151         {
1152                 // handled by a mutator
1153         }
1154         else
1155         {
1156                 LOG_INFO("Received HTTP request data for an invalid id ", ftos(id), ".");
1157         }
1158 }
1159
1160 string uid2name(string myuid) {
1161         string s;
1162         s = db_get(ServerProgsDB, strcat("/uid2name/", myuid));
1163
1164         // FIXME remove this later after 0.6 release
1165         // convert old style broken records to correct style
1166         if(s == "")
1167         {
1168                 s = db_get(ServerProgsDB, strcat("uid2name", myuid));
1169                 if(s != "")
1170                 {
1171                         db_put(ServerProgsDB, strcat("/uid2name/", myuid), s);
1172                         db_remove(ServerProgsDB, strcat("uid2name", myuid));
1173                 }
1174         }
1175
1176         if(s == "")
1177                 s = "^1Unregistered Player";
1178         return s;
1179 }
1180
1181 float MoveToRandomLocationWithinBounds(entity e, vector boundmin, vector boundmax, float goodcontents, float badcontents, float badsurfaceflags, float attempts, float maxaboveground, float minviewdistance)
1182 {
1183     float m, i;
1184     vector start, org, delta, end, enddown, mstart;
1185
1186     m = e.dphitcontentsmask;
1187     e.dphitcontentsmask = goodcontents | badcontents;
1188
1189     org = boundmin;
1190     delta = boundmax - boundmin;
1191
1192     start = end = org;
1193
1194     for (i = 0; i < attempts; ++i)
1195     {
1196         start.x = org.x + random() * delta.x;
1197         start.y = org.y + random() * delta.y;
1198         start.z = org.z + random() * delta.z;
1199
1200         // rule 1: start inside world bounds, and outside
1201         // solid, and don't start from somewhere where you can
1202         // fall down to evil
1203         tracebox(start, e.mins, e.maxs, start - '0 0 1' * delta.z, MOVE_NORMAL, e);
1204         if (trace_fraction >= 1)
1205             continue;
1206         if (trace_startsolid)
1207             continue;
1208         if (trace_dphitcontents & badcontents)
1209             continue;
1210         if (trace_dphitq3surfaceflags & badsurfaceflags)
1211             continue;
1212
1213         // rule 2: if we are too high, lower the point
1214         if (trace_fraction * delta.z > maxaboveground)
1215             start = trace_endpos + '0 0 1' * maxaboveground;
1216         enddown = trace_endpos;
1217
1218         // rule 3: make sure we aren't outside the map. This only works
1219         // for somewhat well formed maps. A good rule of thumb is that
1220         // the map should have a convex outside hull.
1221         // these can be traceLINES as we already verified the starting box
1222         mstart = start + 0.5 * (e.mins + e.maxs);
1223         traceline(mstart, mstart + '1 0 0' * delta.x, MOVE_NORMAL, e);
1224         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1225             continue;
1226         traceline(mstart, mstart - '1 0 0' * delta.x, MOVE_NORMAL, e);
1227         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1228             continue;
1229         traceline(mstart, mstart + '0 1 0' * delta.y, MOVE_NORMAL, e);
1230         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1231             continue;
1232         traceline(mstart, mstart - '0 1 0' * delta.y, MOVE_NORMAL, e);
1233         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1234             continue;
1235         traceline(mstart, mstart + '0 0 1' * delta.z, MOVE_NORMAL, e);
1236         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1237             continue;
1238
1239         // rule 4: we must "see" some spawnpoint or item
1240     entity sp = NULL;
1241     IL_EACH(g_spawnpoints, checkpvs(mstart, it),
1242     {
1243         if((traceline(mstart, it.origin, MOVE_NORMAL, e), trace_fraction) >= 1)
1244         {
1245                 sp = it;
1246                 break;
1247         }
1248     });
1249         if(!sp)
1250         {
1251                 int items_checked = 0;
1252                 IL_EACH(g_items, checkpvs(mstart, it),
1253                 {
1254                         if((traceline(mstart, it.origin + (it.mins + it.maxs) * 0.5, MOVE_NORMAL, e), trace_fraction) >= 1)
1255                         {
1256                                 sp = it;
1257                                 break;
1258                         }
1259
1260                         ++items_checked;
1261                         if(items_checked >= attempts)
1262                                 break; // sanity
1263                 });
1264
1265                 if(!sp)
1266                         continue;
1267         }
1268
1269         // find a random vector to "look at"
1270         end.x = org.x + random() * delta.x;
1271         end.y = org.y + random() * delta.y;
1272         end.z = org.z + random() * delta.z;
1273         end = start + normalize(end - start) * vlen(delta);
1274
1275         // rule 4: start TO end must not be too short
1276         tracebox(start, e.mins, e.maxs, end, MOVE_NORMAL, e);
1277         if (trace_startsolid)
1278             continue;
1279         if (trace_fraction < minviewdistance / vlen(delta))
1280             continue;
1281
1282         // rule 5: don't want to look at sky
1283         if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_SKY)
1284             continue;
1285
1286         // rule 6: we must not end up in trigger_hurt
1287         if (tracebox_hits_trigger_hurt(start, e.mins, e.maxs, enddown))
1288             continue;
1289
1290         break;
1291     }
1292
1293     e.dphitcontentsmask = m;
1294
1295     if (i < attempts)
1296     {
1297         setorigin(e, start);
1298         e.angles = vectoangles(end - start);
1299         LOG_DEBUG("Needed ", ftos(i + 1), " attempts");
1300         return true;
1301     }
1302     else
1303         return false;
1304 }
1305
1306 float MoveToRandomMapLocation(entity e, float goodcontents, float badcontents, float badsurfaceflags, float attempts, float maxaboveground, float minviewdistance)
1307 {
1308         return MoveToRandomLocationWithinBounds(e, world.mins, world.maxs, goodcontents, badcontents, badsurfaceflags, attempts, maxaboveground, minviewdistance);
1309 }
1310
1311 void write_recordmarker(entity pl, float tstart, float dt)
1312 {
1313     GameLogEcho(strcat(":recordset:", ftos(pl.playerid), ":", ftos(dt)));
1314
1315     // also write a marker into demo files for demotc-race-record-extractor to find
1316     stuffcmd(pl,
1317              strcat(
1318                  strcat("//", strconv(2, 0, 0, GetGametype()), " RECORD SET ", TIME_ENCODED_TOSTRING(TIME_ENCODE(dt))),
1319                  " ", ftos(tstart), " ", ftos(dt), "\n"));
1320 }
1321
1322 void attach_sameorigin(entity e, entity to, string tag)
1323 {
1324     vector org, t_forward, t_left, t_up, e_forward, e_up;
1325     float tagscale;
1326
1327     org = e.origin - gettaginfo(to, gettagindex(to, tag));
1328     tagscale = (vlen(v_forward) ** -2); // undo a scale on the tag
1329     t_forward = v_forward * tagscale;
1330     t_left = v_right * -tagscale;
1331     t_up = v_up * tagscale;
1332
1333     e.origin_x = org * t_forward;
1334     e.origin_y = org * t_left;
1335     e.origin_z = org * t_up;
1336
1337     // current forward and up directions
1338     if (substring(e.model, 0, 1) == "*") // bmodels have their own rules
1339                 e.angles = AnglesTransform_FromVAngles(e.angles);
1340         else
1341                 e.angles = AnglesTransform_FromAngles(e.angles);
1342     fixedmakevectors(e.angles);
1343
1344     // untransform forward, up!
1345     e_forward.x = v_forward * t_forward;
1346     e_forward.y = v_forward * t_left;
1347     e_forward.z = v_forward * t_up;
1348     e_up.x = v_up * t_forward;
1349     e_up.y = v_up * t_left;
1350     e_up.z = v_up * t_up;
1351
1352     e.angles = fixedvectoangles2(e_forward, e_up);
1353     if (substring(e.model, 0, 1) == "*") // bmodels have their own rules
1354                 e.angles = AnglesTransform_ToVAngles(e.angles);
1355         else
1356                 e.angles = AnglesTransform_ToAngles(e.angles);
1357
1358     setattachment(e, to, tag);
1359     setorigin(e, e.origin);
1360 }
1361
1362 void detach_sameorigin(entity e)
1363 {
1364     vector org;
1365     org = gettaginfo(e, 0);
1366     e.angles = fixedvectoangles2(v_forward, v_up);
1367     if (substring(e.model, 0, 1) == "*") // bmodels have their own rules
1368                 e.angles = AnglesTransform_ToVAngles(e.angles);
1369         else
1370                 e.angles = AnglesTransform_ToAngles(e.angles);
1371     setorigin(e, org);
1372     setattachment(e, NULL, "");
1373     setorigin(e, e.origin);
1374 }
1375
1376 void follow_sameorigin(entity e, entity to)
1377 {
1378     set_movetype(e, MOVETYPE_FOLLOW); // make the hole follow
1379     e.aiment = to; // make the hole follow bmodel
1380     e.punchangle = to.angles; // the original angles of bmodel
1381     e.view_ofs = e.origin - to.origin; // relative origin
1382     e.v_angle = e.angles - to.angles; // relative angles
1383 }
1384
1385 void unfollow_sameorigin(entity e)
1386 {
1387     set_movetype(e, MOVETYPE_NONE);
1388 }
1389
1390 entity gettaginfo_relative_ent;
1391 vector gettaginfo_relative(entity e, float tag)
1392 {
1393     if (!gettaginfo_relative_ent)
1394     {
1395         gettaginfo_relative_ent = spawn();
1396         gettaginfo_relative_ent.effects = EF_NODRAW;
1397     }
1398     gettaginfo_relative_ent.model = e.model;
1399     gettaginfo_relative_ent.modelindex = e.modelindex;
1400     gettaginfo_relative_ent.frame = e.frame;
1401     return gettaginfo(gettaginfo_relative_ent, tag);
1402 }
1403
1404 .string aiment_classname;
1405 .float aiment_deadflag;
1406 void SetMovetypeFollow(entity ent, entity e)
1407 {
1408         // FIXME this may not be warpzone aware
1409         set_movetype(ent, MOVETYPE_FOLLOW); // make the hole follow
1410         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.
1411         ent.aiment = e; // make the hole follow bmodel
1412         ent.punchangle = e.angles; // the original angles of bmodel
1413         ent.view_ofs = ent.origin - e.origin; // relative origin
1414         ent.v_angle = ent.angles - e.angles; // relative angles
1415         ent.aiment_classname = strzone(e.classname);
1416         ent.aiment_deadflag = e.deadflag;
1417 }
1418 void UnsetMovetypeFollow(entity ent)
1419 {
1420         set_movetype(ent, MOVETYPE_FLY);
1421         PROJECTILE_MAKETRIGGER(ent);
1422         ent.aiment = NULL;
1423 }
1424 float LostMovetypeFollow(entity ent)
1425 {
1426 /*
1427         if(ent.move_movetype != MOVETYPE_FOLLOW)
1428                 if(ent.aiment)
1429                         error("???");
1430 */
1431         if(ent.aiment)
1432         {
1433                 if(ent.aiment.classname != ent.aiment_classname)
1434                         return 1;
1435                 if(ent.aiment.deadflag != ent.aiment_deadflag)
1436                         return 1;
1437         }
1438         return 0;
1439 }
1440
1441 .bool pushable;
1442 bool isPushable(entity e)
1443 {
1444         if(e.pushable)
1445                 return true;
1446         if(IS_VEHICLE(e))
1447                 return false;
1448         if(e.iscreature)
1449                 return true;
1450         if (Item_IsLoot(e))
1451         {
1452                 return true;
1453         }
1454         switch(e.classname)
1455         {
1456                 case "body":
1457                         return true;
1458                 case "bullet": // antilagged bullets can't hit this either
1459                         return false;
1460         }
1461         if (e.projectiledeathtype)
1462                 return true;
1463         return false;
1464 }