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