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