Added random start weapons.
[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                 num_random_start_weapons = cvar("g_num_random_start_weapons");
647                 random_start_shells = cvar("g_random_start_shells");
648                 random_start_bullets = cvar("g_random_start_bullets");
649                 random_start_rockets = cvar("g_random_start_rockets");
650                 random_start_cells = cvar("g_random_start_cells");
651                 random_start_plasma = cvar("g_random_start_plasma");
652         }
653
654         if (warmup_stage)
655         {
656                 warmup_start_ammo_shells = start_ammo_shells;
657                 warmup_start_ammo_nails = start_ammo_nails;
658                 warmup_start_ammo_rockets = start_ammo_rockets;
659                 warmup_start_ammo_cells = start_ammo_cells;
660                 warmup_start_ammo_plasma = start_ammo_plasma;
661                 warmup_start_ammo_fuel = start_ammo_fuel;
662                 warmup_start_health = start_health;
663                 warmup_start_armorvalue = start_armorvalue;
664                 warmup_start_weapons = start_weapons;
665                 warmup_start_weapons_default = start_weapons_default;
666                 warmup_start_weapons_defaultmask = start_weapons_defaultmask;
667
668                 if (!g_weaponarena && !g_ca && !g_freezetag)
669                 {
670                         warmup_start_ammo_shells = cvar("g_warmup_start_ammo_shells");
671                         warmup_start_ammo_nails = cvar("g_warmup_start_ammo_nails");
672                         warmup_start_ammo_rockets = cvar("g_warmup_start_ammo_rockets");
673                         warmup_start_ammo_cells = cvar("g_warmup_start_ammo_cells");
674                         warmup_start_ammo_plasma = cvar("g_warmup_start_ammo_plasma");
675                         warmup_start_ammo_fuel = cvar("g_warmup_start_ammo_fuel");
676                         warmup_start_health = cvar("g_warmup_start_health");
677                         warmup_start_armorvalue = cvar("g_warmup_start_armor");
678                         warmup_start_weapons = '0 0 0';
679                         warmup_start_weapons_default = '0 0 0';
680                         warmup_start_weapons_defaultmask = '0 0 0';
681                         FOREACH(Weapons, it != WEP_Null, {
682                                 int w = want_weapon(it, g_warmup_allguns);
683                                 WepSet s = (it.m_wepset);
684                                 if(w & 1)
685                                         warmup_start_weapons |= s;
686                                 if(w & 2)
687                                         warmup_start_weapons_default |= s;
688                                 if(w & 4)
689                                         warmup_start_weapons_defaultmask |= s;
690                         });
691                 }
692         }
693
694         if (g_jetpack)
695                 start_items |= ITEM_Jetpack.m_itemid;
696
697         MUTATOR_CALLHOOK(SetStartItems);
698
699         if (start_items & ITEM_Jetpack.m_itemid)
700         {
701                 start_items |= ITEM_JetpackRegen.m_itemid;
702                 start_ammo_fuel = max(start_ammo_fuel, cvar("g_balance_fuel_rotstable"));
703                 warmup_start_ammo_fuel = max(warmup_start_ammo_fuel, cvar("g_balance_fuel_rotstable"));
704         }
705
706         WepSet precache_weapons = start_weapons;
707         if (g_warmup_allguns != 1)
708                 precache_weapons |= warmup_start_weapons;
709         FOREACH(Weapons, it != WEP_Null, {
710                 if(precache_weapons & (it.m_wepset))
711                         it.wr_init(it);
712         });
713
714         start_ammo_shells = max(0, start_ammo_shells);
715         start_ammo_nails = max(0, start_ammo_nails);
716         start_ammo_rockets = max(0, start_ammo_rockets);
717         start_ammo_cells = max(0, start_ammo_cells);
718         start_ammo_plasma = max(0, start_ammo_plasma);
719         start_ammo_fuel = max(0, start_ammo_fuel);
720         random_start_shells = max(0, random_start_shells);
721         random_start_bullets = max(0, random_start_bullets);
722         random_start_rockets = max(0, random_start_rockets);
723         random_start_cells = max(0, random_start_cells);
724         random_start_plasma = max(0, random_start_plasma);
725
726         warmup_start_ammo_shells = max(0, warmup_start_ammo_shells);
727         warmup_start_ammo_nails = max(0, warmup_start_ammo_nails);
728         warmup_start_ammo_rockets = max(0, warmup_start_ammo_rockets);
729         warmup_start_ammo_cells = max(0, warmup_start_ammo_cells);
730         warmup_start_ammo_plasma = max(0, warmup_start_ammo_plasma);
731         warmup_start_ammo_fuel = max(0, warmup_start_ammo_fuel);
732 }
733
734 void precache_playermodel(string m)
735 {
736         float globhandle, i, n;
737         string f;
738
739         if(substring(m, -9,5) == "_lod1")
740                 return;
741         if(substring(m, -9,5) == "_lod2")
742                 return;
743         precache_model(m);
744         f = strcat(substring(m, 0, -5), "_lod1", substring(m, -4, -1));
745         if(fexists(f))
746                 precache_model(f);
747         f = strcat(substring(m, 0, -5), "_lod2", substring(m, -4, -1));
748         if(fexists(f))
749                 precache_model(f);
750
751         globhandle = search_begin(strcat(m, "_*.sounds"), true, false);
752         if (globhandle < 0)
753                 return;
754         n = search_getsize(globhandle);
755         for (i = 0; i < n; ++i)
756         {
757                 //print(search_getfilename(globhandle, i), "\n");
758                 f = search_getfilename(globhandle, i);
759                 PrecachePlayerSounds(f);
760         }
761         search_end(globhandle);
762 }
763 void precache_all_playermodels(string pattern)
764 {
765         int globhandle = search_begin(pattern, true, false);
766         if (globhandle < 0) return;
767         int n = search_getsize(globhandle);
768         for (int i = 0; i < n; ++i)
769         {
770                 string s = search_getfilename(globhandle, i);
771                 precache_playermodel(s);
772         }
773         search_end(globhandle);
774 }
775
776 void precache_playermodels(string s)
777 {
778         FOREACH_WORD(s, true, { precache_playermodel(it); });
779 }
780
781 void precache()
782 {
783     // gamemode related things
784
785     // Precache all player models if desired
786     if (autocvar_sv_precacheplayermodels)
787     {
788         PrecachePlayerSounds("sound/player/default.sounds");
789         precache_all_playermodels("models/player/*.zym");
790         precache_all_playermodels("models/player/*.dpm");
791         precache_all_playermodels("models/player/*.md3");
792         precache_all_playermodels("models/player/*.psk");
793         precache_all_playermodels("models/player/*.iqm");
794     }
795
796     if (autocvar_sv_defaultcharacter)
797     {
798                 precache_playermodels(autocvar_sv_defaultplayermodel_red);
799                 precache_playermodels(autocvar_sv_defaultplayermodel_blue);
800                 precache_playermodels(autocvar_sv_defaultplayermodel_yellow);
801                 precache_playermodels(autocvar_sv_defaultplayermodel_pink);
802                 precache_playermodels(autocvar_sv_defaultplayermodel);
803     }
804
805 #if 0
806     // Disabled this code because it simply does not work (e.g. ignores bgmvolume, overlaps with "cd loop" controlled tracks).
807
808     if (!this.noise && this.music) // quake 3 uses the music field
809         this.noise = this.music;
810
811     // plays music for the level if there is any
812     if (this.noise)
813     {
814         precache_sound (this.noise);
815         ambientsound ('0 0 0', this.noise, VOL_BASE, ATTEN_NONE);
816     }
817 #endif
818 }
819
820
821 void make_safe_for_remove(entity e)
822 {
823     if (e.initialize_entity)
824     {
825         entity ent, prev = NULL;
826         for (ent = initialize_entity_first; ent; )
827         {
828             if ((ent == e) || ((ent.classname == "initialize_entity") && (ent.enemy == e)))
829             {
830                 //print("make_safe_for_remove: getting rid of initializer ", etos(ent), "\n");
831                 // skip it in linked list
832                 if (prev)
833                 {
834                     prev.initialize_entity_next = ent.initialize_entity_next;
835                     ent = prev.initialize_entity_next;
836                 }
837                 else
838                 {
839                     initialize_entity_first = ent.initialize_entity_next;
840                     ent = initialize_entity_first;
841                 }
842             }
843             else
844             {
845                 prev = ent;
846                 ent = ent.initialize_entity_next;
847             }
848         }
849     }
850 }
851
852 .float remove_except_protected_forbidden;
853 void remove_except_protected(entity e)
854 {
855         if(e.remove_except_protected_forbidden)
856                 error("not allowed to remove this at this point");
857         builtin_remove(e);
858 }
859
860 void remove_unsafely(entity e)
861 {
862     if(e.classname == "spike")
863         error("Removing spikes is forbidden (crylink bug), please report");
864     builtin_remove(e);
865 }
866
867 void remove_safely(entity e)
868 {
869     make_safe_for_remove(e);
870     builtin_remove(e);
871 }
872
873 void InitializeEntity(entity e, void(entity this) func, float order)
874 {
875     entity prev, cur;
876
877     if (!e || e.initialize_entity)
878     {
879         // make a proxy initializer entity
880         entity e_old = e;
881         e = new(initialize_entity);
882         e.enemy = e_old;
883     }
884
885     e.initialize_entity = func;
886     e.initialize_entity_order = order;
887
888     cur = initialize_entity_first;
889     prev = NULL;
890     for (;;)
891     {
892         if (!cur || cur.initialize_entity_order > order)
893         {
894             // insert between prev and cur
895             if (prev)
896                 prev.initialize_entity_next = e;
897             else
898                 initialize_entity_first = e;
899             e.initialize_entity_next = cur;
900             return;
901         }
902         prev = cur;
903         cur = cur.initialize_entity_next;
904     }
905 }
906 void InitializeEntitiesRun()
907 {
908     entity startoflist = initialize_entity_first;
909     initialize_entity_first = NULL;
910     delete_fn = remove_except_protected;
911     for (entity e = startoflist; e; e = e.initialize_entity_next)
912     {
913                 e.remove_except_protected_forbidden = 1;
914     }
915     for (entity e = startoflist; e; )
916     {
917                 e.remove_except_protected_forbidden = 0;
918         e.initialize_entity_order = 0;
919         entity next = e.initialize_entity_next;
920         e.initialize_entity_next = NULL;
921         var void(entity this) func = e.initialize_entity;
922         e.initialize_entity = func_null;
923         if (e.classname == "initialize_entity")
924         {
925             entity wrappee = e.enemy;
926             builtin_remove(e);
927             e = wrappee;
928         }
929         //dprint("Delayed initialization: ", e.classname, "\n");
930         if (func)
931         {
932                 func(e);
933         }
934         else
935         {
936             eprint(e);
937             backtrace(strcat("Null function in: ", e.classname, "\n"));
938         }
939         e = next;
940     }
941     delete_fn = remove_unsafely;
942 }
943
944 .float(entity) isEliminated;
945 bool EliminatedPlayers_SendEntity(entity this, entity to, float sendflags)
946 {
947         float i, f, b;
948         entity e;
949         WriteHeader(MSG_ENTITY, ENT_CLIENT_ELIMINATEDPLAYERS);
950         WriteByte(MSG_ENTITY, sendflags);
951
952         if(sendflags & 1)
953         {
954                 for(i = 1; i <= maxclients; i += 8)
955                 {
956                         for(f = 0, e = edict_num(i), b = 1; b < 256; b *= 2, e = nextent(e))
957                         {
958                                 if(eliminatedPlayers.isEliminated(e))
959                                         f |= b;
960                         }
961                         WriteByte(MSG_ENTITY, f);
962                 }
963         }
964
965         return true;
966 }
967
968 void EliminatedPlayers_Init(float(entity) isEliminated_func)
969 {
970         if(eliminatedPlayers)
971         {
972                 backtrace("Can't spawn eliminatedPlayers again!");
973                 return;
974         }
975         Net_LinkEntity(eliminatedPlayers = spawn(), false, 0, EliminatedPlayers_SendEntity);
976         eliminatedPlayers.isEliminated = isEliminated_func;
977 }
978
979
980
981
982 void adaptor_think2use_hittype_splash(entity this) // for timed projectile detonation
983 {
984         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
985                 this.projectiledeathtype |= HITTYPE_SPLASH;
986         adaptor_think2use(this);
987 }
988
989 // deferred dropping
990 void DropToFloor_Handler(entity this)
991 {
992     WITHSELF(this, builtin_droptofloor());
993     this.dropped_origin = this.origin;
994 }
995
996 void droptofloor(entity this)
997 {
998     InitializeEntity(this, DropToFloor_Handler, INITPRIO_DROPTOFLOOR);
999 }
1000
1001
1002
1003 float trace_hits_box_a0, trace_hits_box_a1;
1004
1005 float trace_hits_box_1d(float end, float thmi, float thma)
1006 {
1007     if (end == 0)
1008     {
1009         // just check if x is in range
1010         if (0 < thmi)
1011             return false;
1012         if (0 > thma)
1013             return false;
1014     }
1015     else
1016     {
1017         // do the trace with respect to x
1018         // 0 -> end has to stay in thmi -> thma
1019         trace_hits_box_a0 = max(trace_hits_box_a0, min(thmi / end, thma / end));
1020         trace_hits_box_a1 = min(trace_hits_box_a1, max(thmi / end, thma / end));
1021         if (trace_hits_box_a0 > trace_hits_box_a1)
1022             return false;
1023     }
1024     return true;
1025 }
1026
1027 float trace_hits_box(vector start, vector end, vector thmi, vector thma)
1028 {
1029     end -= start;
1030     thmi -= start;
1031     thma -= start;
1032     // now it is a trace from 0 to end
1033
1034     trace_hits_box_a0 = 0;
1035     trace_hits_box_a1 = 1;
1036
1037     if (!trace_hits_box_1d(end.x, thmi.x, thma.x))
1038         return false;
1039     if (!trace_hits_box_1d(end.y, thmi.y, thma.y))
1040         return false;
1041     if (!trace_hits_box_1d(end.z, thmi.z, thma.z))
1042         return false;
1043
1044     return true;
1045 }
1046
1047 float tracebox_hits_box(vector start, vector mi, vector ma, vector end, vector thmi, vector thma)
1048 {
1049     return trace_hits_box(start, end, thmi - ma, thma - mi);
1050 }
1051
1052 bool SUB_NoImpactCheck(entity this, entity toucher)
1053 {
1054         // zero hitcontents = this is not the real impact, but either the
1055         // mirror-impact of something hitting the projectile instead of the
1056         // projectile hitting the something, or a touchareagrid one. Neither of
1057         // these stop the projectile from moving, so...
1058         if(trace_dphitcontents == 0)
1059         {
1060                 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);
1061                 checkclient(this);
1062         }
1063     if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOIMPACT)
1064         return true;
1065     if (toucher == NULL && this.size != '0 0 0')
1066     {
1067         vector tic;
1068         tic = this.velocity * sys_frametime;
1069         tic = tic + normalize(tic) * vlen(this.maxs - this.mins);
1070         traceline(this.origin - tic, this.origin + tic, MOVE_NORMAL, this);
1071         if (trace_fraction >= 1)
1072         {
1073             LOG_TRACE("Odd... did not hit...?");
1074         }
1075         else if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOIMPACT)
1076         {
1077             LOG_TRACE("Detected and prevented the sky-grapple bug.");
1078             return true;
1079         }
1080     }
1081
1082     return false;
1083 }
1084
1085 #define SUB_OwnerCheck(ent,oth) ((oth) && ((oth) == (ent).owner))
1086
1087 void W_Crylink_Dequeue(entity e);
1088 bool WarpZone_Projectile_Touch_ImpactFilter_Callback(entity this, entity toucher)
1089 {
1090         if(SUB_OwnerCheck(this, toucher))
1091                 return true;
1092         if(SUB_NoImpactCheck(this, toucher))
1093         {
1094                 if(this.classname == "nade")
1095                         return false; // no checks here
1096                 else if(this.classname == "grapplinghook")
1097                         RemoveHook(this);
1098                 else if(this.classname == "spike")
1099                 {
1100                         W_Crylink_Dequeue(this);
1101                         delete(this);
1102                 }
1103                 else
1104                         delete(this);
1105                 return true;
1106         }
1107         if(trace_ent && trace_ent.solid > SOLID_TRIGGER)
1108                 UpdateCSQCProjectile(this);
1109         return false;
1110 }
1111
1112 /** engine callback */
1113 void URI_Get_Callback(float id, float status, string data)
1114 {
1115         if(url_URI_Get_Callback(id, status, data))
1116         {
1117                 // handled
1118         }
1119         else if (id == URI_GET_DISCARD)
1120         {
1121                 // discard
1122         }
1123         else if (id >= URI_GET_CURL && id <= URI_GET_CURL_END)
1124         {
1125                 // sv_cmd curl
1126                 Curl_URI_Get_Callback(id, status, data);
1127         }
1128         else if (id >= URI_GET_IPBAN && id <= URI_GET_IPBAN_END)
1129         {
1130                 // online ban list
1131                 OnlineBanList_URI_Get_Callback(id, status, data);
1132         }
1133         else if (MUTATOR_CALLHOOK(URI_GetCallback, id, status, data))
1134         {
1135                 // handled by a mutator
1136         }
1137         else
1138         {
1139                 LOG_INFO("Received HTTP request data for an invalid id ", ftos(id), ".\n");
1140         }
1141 }
1142
1143 string uid2name(string myuid) {
1144         string s;
1145         s = db_get(ServerProgsDB, strcat("/uid2name/", myuid));
1146
1147         // FIXME remove this later after 0.6 release
1148         // convert old style broken records to correct style
1149         if(s == "")
1150         {
1151                 s = db_get(ServerProgsDB, strcat("uid2name", myuid));
1152                 if(s != "")
1153                 {
1154                         db_put(ServerProgsDB, strcat("/uid2name/", myuid), s);
1155                         db_remove(ServerProgsDB, strcat("uid2name", myuid));
1156                 }
1157         }
1158
1159         if(s == "")
1160                 s = "^1Unregistered Player";
1161         return s;
1162 }
1163
1164 float MoveToRandomLocationWithinBounds(entity e, vector boundmin, vector boundmax, float goodcontents, float badcontents, float badsurfaceflags, float attempts, float maxaboveground, float minviewdistance)
1165 {
1166     float m, i;
1167     vector start, org, delta, end, enddown, mstart;
1168
1169     m = e.dphitcontentsmask;
1170     e.dphitcontentsmask = goodcontents | badcontents;
1171
1172     org = boundmin;
1173     delta = boundmax - boundmin;
1174
1175     start = end = org;
1176
1177     for (i = 0; i < attempts; ++i)
1178     {
1179         start.x = org.x + random() * delta.x;
1180         start.y = org.y + random() * delta.y;
1181         start.z = org.z + random() * delta.z;
1182
1183         // rule 1: start inside world bounds, and outside
1184         // solid, and don't start from somewhere where you can
1185         // fall down to evil
1186         tracebox(start, e.mins, e.maxs, start - '0 0 1' * delta.z, MOVE_NORMAL, e);
1187         if (trace_fraction >= 1)
1188             continue;
1189         if (trace_startsolid)
1190             continue;
1191         if (trace_dphitcontents & badcontents)
1192             continue;
1193         if (trace_dphitq3surfaceflags & badsurfaceflags)
1194             continue;
1195
1196         // rule 2: if we are too high, lower the point
1197         if (trace_fraction * delta.z > maxaboveground)
1198             start = trace_endpos + '0 0 1' * maxaboveground;
1199         enddown = trace_endpos;
1200
1201         // rule 3: make sure we aren't outside the map. This only works
1202         // for somewhat well formed maps. A good rule of thumb is that
1203         // the map should have a convex outside hull.
1204         // these can be traceLINES as we already verified the starting box
1205         mstart = start + 0.5 * (e.mins + e.maxs);
1206         traceline(mstart, mstart + '1 0 0' * delta.x, MOVE_NORMAL, e);
1207         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1208             continue;
1209         traceline(mstart, mstart - '1 0 0' * delta.x, MOVE_NORMAL, e);
1210         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1211             continue;
1212         traceline(mstart, mstart + '0 1 0' * delta.y, MOVE_NORMAL, e);
1213         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1214             continue;
1215         traceline(mstart, mstart - '0 1 0' * delta.y, MOVE_NORMAL, e);
1216         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1217             continue;
1218         traceline(mstart, mstart + '0 0 1' * delta.z, MOVE_NORMAL, e);
1219         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1220             continue;
1221
1222         // rule 4: we must "see" some spawnpoint or item
1223     entity sp = NULL;
1224     IL_EACH(g_spawnpoints, checkpvs(mstart, it),
1225     {
1226         if((traceline(mstart, it.origin, MOVE_NORMAL, e), trace_fraction) >= 1)
1227         {
1228                 sp = it;
1229                 break;
1230         }
1231     });
1232         if(!sp)
1233         {
1234                 IL_EACH(g_items, checkpvs(mstart, it),
1235                 {
1236                         if((traceline(mstart, it.origin + (it.mins + it.maxs) * 0.5, MOVE_NORMAL, e), trace_fraction) >= 1)
1237                         {
1238                                 sp = it;
1239                                 break;
1240                         }
1241                 });
1242
1243                 if(!sp)
1244                         continue;
1245         }
1246
1247         // find a random vector to "look at"
1248         end.x = org.x + random() * delta.x;
1249         end.y = org.y + random() * delta.y;
1250         end.z = org.z + random() * delta.z;
1251         end = start + normalize(end - start) * vlen(delta);
1252
1253         // rule 4: start TO end must not be too short
1254         tracebox(start, e.mins, e.maxs, end, MOVE_NORMAL, e);
1255         if (trace_startsolid)
1256             continue;
1257         if (trace_fraction < minviewdistance / vlen(delta))
1258             continue;
1259
1260         // rule 5: don't want to look at sky
1261         if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_SKY)
1262             continue;
1263
1264         // rule 6: we must not end up in trigger_hurt
1265         if (tracebox_hits_trigger_hurt(start, e.mins, e.maxs, enddown))
1266             continue;
1267
1268         break;
1269     }
1270
1271     e.dphitcontentsmask = m;
1272
1273     if (i < attempts)
1274     {
1275         setorigin(e, start);
1276         e.angles = vectoangles(end - start);
1277         LOG_DEBUG("Needed ", ftos(i + 1), " attempts");
1278         return true;
1279     }
1280     else
1281         return false;
1282 }
1283
1284 float MoveToRandomMapLocation(entity e, float goodcontents, float badcontents, float badsurfaceflags, float attempts, float maxaboveground, float minviewdistance)
1285 {
1286         return MoveToRandomLocationWithinBounds(e, world.mins, world.maxs, goodcontents, badcontents, badsurfaceflags, attempts, maxaboveground, minviewdistance);
1287 }
1288
1289 void write_recordmarker(entity pl, float tstart, float dt)
1290 {
1291     GameLogEcho(strcat(":recordset:", ftos(pl.playerid), ":", ftos(dt)));
1292
1293     // also write a marker into demo files for demotc-race-record-extractor to find
1294     stuffcmd(pl,
1295              strcat(
1296                  strcat("//", strconv(2, 0, 0, GetGametype()), " RECORD SET ", TIME_ENCODED_TOSTRING(TIME_ENCODE(dt))),
1297                  " ", ftos(tstart), " ", ftos(dt), "\n"));
1298 }
1299
1300 void attach_sameorigin(entity e, entity to, string tag)
1301 {
1302     vector org, t_forward, t_left, t_up, e_forward, e_up;
1303     float tagscale;
1304
1305     org = e.origin - gettaginfo(to, gettagindex(to, tag));
1306     tagscale = (vlen(v_forward) ** -2); // undo a scale on the tag
1307     t_forward = v_forward * tagscale;
1308     t_left = v_right * -tagscale;
1309     t_up = v_up * tagscale;
1310
1311     e.origin_x = org * t_forward;
1312     e.origin_y = org * t_left;
1313     e.origin_z = org * t_up;
1314
1315     // current forward and up directions
1316     if (substring(e.model, 0, 1) == "*") // bmodels have their own rules
1317                 e.angles = AnglesTransform_FromVAngles(e.angles);
1318         else
1319                 e.angles = AnglesTransform_FromAngles(e.angles);
1320     fixedmakevectors(e.angles);
1321
1322     // untransform forward, up!
1323     e_forward.x = v_forward * t_forward;
1324     e_forward.y = v_forward * t_left;
1325     e_forward.z = v_forward * t_up;
1326     e_up.x = v_up * t_forward;
1327     e_up.y = v_up * t_left;
1328     e_up.z = v_up * t_up;
1329
1330     e.angles = fixedvectoangles2(e_forward, e_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
1336     setattachment(e, to, tag);
1337     setorigin(e, e.origin);
1338 }
1339
1340 void detach_sameorigin(entity e)
1341 {
1342     vector org;
1343     org = gettaginfo(e, 0);
1344     e.angles = fixedvectoangles2(v_forward, v_up);
1345     if (substring(e.model, 0, 1) == "*") // bmodels have their own rules
1346                 e.angles = AnglesTransform_ToVAngles(e.angles);
1347         else
1348                 e.angles = AnglesTransform_ToAngles(e.angles);
1349     setorigin(e, org);
1350     setattachment(e, NULL, "");
1351     setorigin(e, e.origin);
1352 }
1353
1354 void follow_sameorigin(entity e, entity to)
1355 {
1356     set_movetype(e, MOVETYPE_FOLLOW); // make the hole follow
1357     e.aiment = to; // make the hole follow bmodel
1358     e.punchangle = to.angles; // the original angles of bmodel
1359     e.view_ofs = e.origin - to.origin; // relative origin
1360     e.v_angle = e.angles - to.angles; // relative angles
1361 }
1362
1363 void unfollow_sameorigin(entity e)
1364 {
1365     set_movetype(e, MOVETYPE_NONE);
1366 }
1367
1368 entity gettaginfo_relative_ent;
1369 vector gettaginfo_relative(entity e, float tag)
1370 {
1371     if (!gettaginfo_relative_ent)
1372     {
1373         gettaginfo_relative_ent = spawn();
1374         gettaginfo_relative_ent.effects = EF_NODRAW;
1375     }
1376     gettaginfo_relative_ent.model = e.model;
1377     gettaginfo_relative_ent.modelindex = e.modelindex;
1378     gettaginfo_relative_ent.frame = e.frame;
1379     return gettaginfo(gettaginfo_relative_ent, tag);
1380 }
1381
1382 .string aiment_classname;
1383 .float aiment_deadflag;
1384 void SetMovetypeFollow(entity ent, entity e)
1385 {
1386         // FIXME this may not be warpzone aware
1387         set_movetype(ent, MOVETYPE_FOLLOW); // make the hole follow
1388         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.
1389         ent.aiment = e; // make the hole follow bmodel
1390         ent.punchangle = e.angles; // the original angles of bmodel
1391         ent.view_ofs = ent.origin - e.origin; // relative origin
1392         ent.v_angle = ent.angles - e.angles; // relative angles
1393         ent.aiment_classname = strzone(e.classname);
1394         ent.aiment_deadflag = e.deadflag;
1395 }
1396 void UnsetMovetypeFollow(entity ent)
1397 {
1398         set_movetype(ent, MOVETYPE_FLY);
1399         PROJECTILE_MAKETRIGGER(ent);
1400         ent.aiment = NULL;
1401 }
1402 float LostMovetypeFollow(entity ent)
1403 {
1404 /*
1405         if(ent.move_movetype != MOVETYPE_FOLLOW)
1406                 if(ent.aiment)
1407                         error("???");
1408 */
1409         if(ent.aiment)
1410         {
1411                 if(ent.aiment.classname != ent.aiment_classname)
1412                         return 1;
1413                 if(ent.aiment.deadflag != ent.aiment_deadflag)
1414                         return 1;
1415         }
1416         return 0;
1417 }
1418
1419 .bool pushable;
1420 bool isPushable(entity e)
1421 {
1422         if(e.pushable)
1423                 return true;
1424         if(IS_VEHICLE(e))
1425                 return false;
1426         if(e.iscreature)
1427                 return true;
1428         switch(e.classname)
1429         {
1430                 case "body":
1431                 case "droppedweapon":
1432                         return true;
1433                 case "bullet": // antilagged bullets can't hit this either
1434                         return false;
1435         }
1436         if (e.projectiledeathtype)
1437                 return true;
1438         return false;
1439 }