Merge branch 'master' into Mario/turrets
[xonotic/xonotic-data.pk3dir.git] / qcsrc / server / miscfunctions.qc
1 #if defined(CSQC)
2 #elif defined(MENUQC)
3 #elif defined(SVQC)
4         #include "miscfunctions.qh"
5         #include "../dpdefs/progsdefs.qh"
6     #include "../dpdefs/dpextensions.qh"
7     #include "../common/playerstats.qh"
8     #include "../warpzonelib/anglestransform.qh"
9     #include "../warpzonelib/server.qh"
10     #include "../common/constants.qh"
11     #include "../common/teams.qh"
12     #include "../common/util.qh"
13     #include "../common/urllib.qh"
14     #include "../common/command/generic.qh"
15     #include "../common/weapons/weapons.qh"
16     #include "weapons/accuracy.qh"
17     #include "weapons/csqcprojectile.qh"
18     #include "weapons/selection.qh"
19     #include "t_items.qh"
20     #include "autocvars.qh"
21     #include "constants.qh"
22     #include "defs.qh"
23     #include "../common/notifications.qh"
24     #include "../common/deathtypes.qh"
25     #include "mutators/mutators_include.qh"
26     #include "../common/mapinfo.qh"
27     #include "command/common.qh"
28     #include "../csqcmodellib/sv_model.qh"
29     #include "ipban.qh"
30 #endif
31
32 void crosshair_trace(entity pl)
33 {
34         traceline_antilag(pl, pl.cursor_trace_start, pl.cursor_trace_start + normalize(pl.cursor_trace_endpos - pl.cursor_trace_start) * MAX_SHOT_DISTANCE, MOVE_NORMAL, pl, ANTILAG_LATENCY(pl));
35 }
36 void crosshair_trace_plusvisibletriggers(entity pl)
37 {
38         entity first;
39         entity e;
40         first = findchainfloat(solid, SOLID_TRIGGER);
41
42         for (e = first; e; e = e.chain)
43                 if (e.model != "")
44                         e.solid = SOLID_BSP;
45
46         crosshair_trace(pl);
47
48         for (e = first; e; e = e.chain)
49                 e.solid = SOLID_TRIGGER;
50 }
51 void WarpZone_crosshair_trace(entity pl)
52 {
53         WarpZone_traceline_antilag(pl, pl.cursor_trace_start, pl.cursor_trace_start + normalize(pl.cursor_trace_endpos - pl.cursor_trace_start) * MAX_SHOT_DISTANCE, MOVE_NORMAL, pl, ANTILAG_LATENCY(pl));
54 }
55
56
57 string admin_name(void)
58 {
59         if(autocvar_sv_adminnick != "")
60                 return autocvar_sv_adminnick;
61         else
62                 return "SERVER ADMIN";
63 }
64
65 void DistributeEvenly_Init(float amount, float totalweight)
66 {
67     if (DistributeEvenly_amount)
68     {
69         dprint("DistributeEvenly_Init: UNFINISHED DISTRIBUTION (", ftos(DistributeEvenly_amount), " for ");
70         dprint(ftos(DistributeEvenly_totalweight), " left!)\n");
71     }
72     if (totalweight == 0)
73         DistributeEvenly_amount = 0;
74     else
75         DistributeEvenly_amount = amount;
76     DistributeEvenly_totalweight = totalweight;
77 }
78 float DistributeEvenly_Get(float weight)
79 {
80     float f;
81     if (weight <= 0)
82         return 0;
83     f = floor(0.5 + DistributeEvenly_amount * weight / DistributeEvenly_totalweight);
84     DistributeEvenly_totalweight -= weight;
85     DistributeEvenly_amount -= f;
86     return f;
87 }
88 float DistributeEvenly_GetRandomized(float weight)
89 {
90     float f;
91     if (weight <= 0)
92         return 0;
93     f = floor(random() + DistributeEvenly_amount * weight / DistributeEvenly_totalweight);
94     DistributeEvenly_totalweight -= weight;
95     DistributeEvenly_amount -= f;
96     return f;
97 }
98
99
100 void GameLogEcho(string s)
101 {
102     string fn;
103     float matches;
104
105     if (autocvar_sv_eventlog_files)
106     {
107         if (!logfile_open)
108         {
109             logfile_open = true;
110             matches = autocvar_sv_eventlog_files_counter + 1;
111             cvar_set("sv_eventlog_files_counter", ftos(matches));
112             fn = ftos(matches);
113             if (strlen(fn) < 8)
114                 fn = strcat(substring("00000000", 0, 8 - strlen(fn)), fn);
115             fn = strcat(autocvar_sv_eventlog_files_nameprefix, fn, autocvar_sv_eventlog_files_namesuffix);
116             logfile = fopen(fn, FILE_APPEND);
117             fputs(logfile, ":logversion:3\n");
118         }
119         if (logfile >= 0)
120         {
121             if (autocvar_sv_eventlog_files_timestamps)
122                 fputs(logfile, strcat(":time:", strftime(true, "%Y-%m-%d %H:%M:%S", "\n", s, "\n")));
123             else
124                 fputs(logfile, strcat(s, "\n"));
125         }
126     }
127     if (autocvar_sv_eventlog_console)
128     {
129         print(s, "\n");
130     }
131 }
132
133 void GameLogInit()
134 {
135     logfile_open = 0;
136     // will be opened later
137 }
138
139 void GameLogClose()
140 {
141     if (logfile_open && logfile >= 0)
142     {
143         fclose(logfile);
144         logfile = -1;
145     }
146 }
147
148 entity findnearest(vector point, .string field, string value, vector axismod)
149 {
150     entity localhead;
151     float i;
152     float j;
153     float len;
154     vector dist;
155
156     float num_nearest;
157     num_nearest = 0;
158
159     localhead = find(world, field, value);
160     while (localhead)
161     {
162         if ((localhead.items == IT_KEY1 || localhead.items == IT_KEY2) && localhead.target == "###item###")
163             dist = localhead.oldorigin;
164         else
165             dist = localhead.origin;
166         dist = dist - point;
167         dist = dist.x * axismod.x * '1 0 0' + dist.y * axismod.y * '0 1 0' + dist.z * axismod.z * '0 0 1';
168         len = vlen(dist);
169
170         for (i = 0; i < num_nearest; ++i)
171         {
172             if (len < nearest_length[i])
173                 break;
174         }
175
176         // now i tells us where to insert at
177         //   INSERTION SORT! YOU'VE SEEN IT! RUN!
178         if (i < NUM_NEAREST_ENTITIES)
179         {
180             for (j = NUM_NEAREST_ENTITIES - 1; j >= i; --j)
181             {
182                 nearest_length[j + 1] = nearest_length[j];
183                 nearest_entity[j + 1] = nearest_entity[j];
184             }
185             nearest_length[i] = len;
186             nearest_entity[i] = localhead;
187             if (num_nearest < NUM_NEAREST_ENTITIES)
188                 num_nearest = num_nearest + 1;
189         }
190
191         localhead = find(localhead, field, value);
192     }
193
194     // now use the first one from our list that we can see
195     for (i = 0; i < num_nearest; ++i)
196     {
197         traceline(point, nearest_entity[i].origin, true, world);
198         if (trace_fraction == 1)
199         {
200             if (i != 0)
201             {
202                 dprint("Nearest point (");
203                 dprint(nearest_entity[0].netname);
204                 dprint(") is not visible, using a visible one.\n");
205             }
206             return nearest_entity[i];
207         }
208     }
209
210     if (num_nearest == 0)
211         return world;
212
213     dprint("Not seeing any location point, using nearest as fallback.\n");
214     /* DEBUGGING CODE:
215     dprint("Candidates were: ");
216     for(j = 0; j < num_nearest; ++j)
217     {
218         if(j != 0)
219                 dprint(", ");
220         dprint(nearest_entity[j].netname);
221     }
222     dprint("\n");
223     */
224
225     return nearest_entity[0];
226 }
227
228 void spawnfunc_target_location()
229 {
230     self.classname = "target_location";
231     // location name in netname
232     // eventually support: count, teamgame selectors, line of sight?
233 }
234
235 void spawnfunc_info_location()
236 {
237     self.classname = "target_location";
238     self.message = self.netname;
239 }
240
241 string NearestLocation(vector p)
242 {
243     entity loc;
244     string ret;
245     ret = "somewhere";
246     loc = findnearest(p, classname, "target_location", '1 1 1');
247     if (loc)
248     {
249         ret = loc.message;
250     }
251     else
252     {
253         loc = findnearest(p, target, "###item###", '1 1 4');
254         if (loc)
255             ret = loc.netname;
256     }
257     return ret;
258 }
259
260 string formatmessage(string msg)
261 {
262         float p, p1, p2;
263         float n;
264         vector cursor;
265         entity cursor_ent;
266         string escape;
267         string replacement;
268         p = 0;
269         n = 7;
270
271         WarpZone_crosshair_trace(self);
272         cursor = trace_endpos;
273         cursor_ent = trace_ent;
274
275         while (1) {
276                 if (n < 1)
277                         break; // too many replacements
278
279                 n = n - 1;
280                 p1 = strstr(msg, "%", p); // NOTE: this destroys msg as it's a tempstring!
281                 p2 = strstr(msg, "\\", p); // NOTE: this destroys msg as it's a tempstring!
282
283                 if (p1 < 0)
284                         p1 = p2;
285
286                 if (p2 < 0)
287                         p2 = p1;
288
289                 p = min(p1, p2);
290
291                 if (p < 0)
292                         break;
293
294                 replacement = substring(msg, p, 2);
295                 escape = substring(msg, p + 1, 1);
296
297                 if (escape == "%")
298                         replacement = "%";
299                 else if (escape == "\\")
300                         replacement = "\\";
301                 else if (escape == "n")
302                         replacement = "\n";
303                 else if (escape == "a")
304                         replacement = ftos(floor(self.armorvalue));
305                 else if (escape == "h")
306                         replacement = ftos(floor(self.health));
307                 else if (escape == "l")
308                         replacement = NearestLocation(self.origin);
309                 else if (escape == "y")
310                         replacement = NearestLocation(cursor);
311                 else if (escape == "d")
312                         replacement = NearestLocation(self.death_origin);
313                 else if (escape == "w") {
314                         float wep;
315                         wep = self.weapon;
316                         if (!wep)
317                                 wep = self.switchweapon;
318                         if (!wep)
319                                 wep = self.cnt;
320                         replacement = WEP_NAME(wep);
321                 } else if (escape == "W") {
322                         if (self.items & IT_SHELLS) replacement = "shells";
323                         else if (self.items & IT_NAILS) replacement = "bullets";
324                         else if (self.items & IT_ROCKETS) replacement = "rockets";
325                         else if (self.items & IT_CELLS) replacement = "cells";
326                         else if (self.items & IT_PLASMA) replacement = "plasma";
327                         else replacement = "batteries"; // ;)
328                 } else if (escape == "x") {
329                         replacement = cursor_ent.netname;
330                         if (replacement == "" || !cursor_ent)
331                                 replacement = "nothing";
332                 } else if (escape == "s")
333                         replacement = ftos(vlen(self.velocity - self.velocity.z * '0 0 1'));
334                 else if (escape == "S")
335                         replacement = ftos(vlen(self.velocity));
336
337                 msg = strcat(substring(msg, 0, p), replacement, substring(msg, p+2, strlen(msg) - (p+2)));
338                 p = p + strlen(replacement);
339         }
340         return msg;
341 }
342
343 float boolean(float value) { // if value is 0 return false (0), otherwise return true (1)
344         return (value == 0) ? false : true;
345 }
346
347 /*
348 =============
349 GetCvars
350 =============
351 Called with:
352   0:  sends the request
353   >0: receives a cvar from name=argv(f) value=argv(f+1)
354 */
355 void GetCvars_handleString(string thisname, float f, .string field, string name)
356 {
357         if (f < 0)
358         {
359                 if (self.field)
360                         strunzone(self.field);
361                 self.field = string_null;
362         }
363         else if (f > 0)
364         {
365                 if (thisname == name)
366                 {
367                         if (self.field)
368                                 strunzone(self.field);
369                         self.field = strzone(argv(f + 1));
370                 }
371         }
372         else
373                 stuffcmd(self, strcat("cl_cmd sendcvar ", name, "\n"));
374 }
375 void GetCvars_handleString_Fixup(string thisname, float f, .string field, string name, string(string) func)
376 {
377         GetCvars_handleString(thisname, f, field, name);
378         if (f >= 0) // also initialize to the fitting value for "" when sending cvars out
379                 if (thisname == name)
380                 {
381                         string s;
382                         s = func(strcat1(self.field));
383                         if (s != self.field)
384                         {
385                                 strunzone(self.field);
386                                 self.field = strzone(s);
387                         }
388                 }
389 }
390 void GetCvars_handleFloat(string thisname, float f, .float field, string name)
391 {
392         if (f < 0)
393         {
394         }
395         else if (f > 0)
396         {
397                 if (thisname == name)
398                         self.field = stof(argv(f + 1));
399         }
400         else
401                 stuffcmd(self, strcat("cl_cmd sendcvar ", name, "\n"));
402 }
403 void GetCvars_handleFloatOnce(string thisname, float f, .float field, string name)
404 {
405         if (f < 0)
406         {
407         }
408         else if (f > 0)
409         {
410                 if (thisname == name)
411                 {
412                         if(!self.field)
413                         {
414                                 self.field = stof(argv(f + 1));
415                                 if(!self.field)
416                                         self.field = -1;
417                         }
418                 }
419         }
420         else
421         {
422                 if(!self.field)
423                         stuffcmd(self, strcat("cl_cmd sendcvar ", name, "\n"));
424         }
425 }
426 string W_FixWeaponOrder_ForceComplete_AndBuildImpulseList(string wo)
427 {
428         string o;
429         o = W_FixWeaponOrder_ForceComplete(wo);
430         if(self.weaponorder_byimpulse)
431         {
432                 strunzone(self.weaponorder_byimpulse);
433                 self.weaponorder_byimpulse = string_null;
434         }
435         self.weaponorder_byimpulse = strzone(W_FixWeaponOrder_BuildImpulseList(o));
436         return o;
437 }
438 void GetCvars(float f)
439 {
440         string s = string_null;
441
442         if (f > 0)
443                 s = strcat1(argv(f));
444
445         get_cvars_f = f;
446         get_cvars_s = s;
447
448         MUTATOR_CALLHOOK(GetCvars);
449
450         Notification_GetCvars();
451
452         GetCvars_handleFloat(s, f, autoswitch, "cl_autoswitch");
453         GetCvars_handleFloat(s, f, cvar_cl_autoscreenshot, "cl_autoscreenshot");
454         GetCvars_handleFloat(s, f, cvar_cl_jetpack_jump, "cl_jetpack_jump");
455         GetCvars_handleString(s, f, cvar_g_xonoticversion, "g_xonoticversion");
456         GetCvars_handleFloat(s, f, cvar_cl_handicap, "cl_handicap");
457         GetCvars_handleFloat(s, f, cvar_cl_clippedspectating, "cl_clippedspectating");
458         GetCvars_handleString_Fixup(s, f, cvar_cl_weaponpriority, "cl_weaponpriority", W_FixWeaponOrder_ForceComplete_AndBuildImpulseList);
459         GetCvars_handleString_Fixup(s, f, cvar_cl_weaponpriorities[0], "cl_weaponpriority0", W_FixWeaponOrder_AllowIncomplete);
460         GetCvars_handleString_Fixup(s, f, cvar_cl_weaponpriorities[1], "cl_weaponpriority1", W_FixWeaponOrder_AllowIncomplete);
461         GetCvars_handleString_Fixup(s, f, cvar_cl_weaponpriorities[2], "cl_weaponpriority2", W_FixWeaponOrder_AllowIncomplete);
462         GetCvars_handleString_Fixup(s, f, cvar_cl_weaponpriorities[3], "cl_weaponpriority3", W_FixWeaponOrder_AllowIncomplete);
463         GetCvars_handleString_Fixup(s, f, cvar_cl_weaponpriorities[4], "cl_weaponpriority4", W_FixWeaponOrder_AllowIncomplete);
464         GetCvars_handleString_Fixup(s, f, cvar_cl_weaponpriorities[5], "cl_weaponpriority5", W_FixWeaponOrder_AllowIncomplete);
465         GetCvars_handleString_Fixup(s, f, cvar_cl_weaponpriorities[6], "cl_weaponpriority6", W_FixWeaponOrder_AllowIncomplete);
466         GetCvars_handleString_Fixup(s, f, cvar_cl_weaponpriorities[7], "cl_weaponpriority7", W_FixWeaponOrder_AllowIncomplete);
467         GetCvars_handleString_Fixup(s, f, cvar_cl_weaponpriorities[8], "cl_weaponpriority8", W_FixWeaponOrder_AllowIncomplete);
468         GetCvars_handleString_Fixup(s, f, cvar_cl_weaponpriorities[9], "cl_weaponpriority9", W_FixWeaponOrder_AllowIncomplete);
469         GetCvars_handleFloat(s, f, cvar_cl_weaponimpulsemode, "cl_weaponimpulsemode");
470         GetCvars_handleFloat(s, f, cvar_cl_autotaunt, "cl_autotaunt");
471         GetCvars_handleFloat(s, f, cvar_cl_noantilag, "cl_noantilag");
472         GetCvars_handleFloat(s, f, cvar_cl_voice_directional, "cl_voice_directional");
473         GetCvars_handleFloat(s, f, cvar_cl_voice_directional_taunt_attenuation, "cl_voice_directional_taunt_attenuation");
474         GetCvars_handleFloat(s, f, cvar_cl_accuracy_data_share, "cl_accuracy_data_share");
475         GetCvars_handleFloat(s, f, cvar_cl_accuracy_data_receive, "cl_accuracy_data_receive");
476
477         self.cvar_cl_accuracy_data_share = boolean(self.cvar_cl_accuracy_data_share);
478         self.cvar_cl_accuracy_data_receive = boolean(self.cvar_cl_accuracy_data_receive);
479
480         GetCvars_handleFloatOnce(s, f, cvar_cl_gunalign, "cl_gunalign");
481         GetCvars_handleFloat(s, f, cvar_cl_allow_uid2name, "cl_allow_uid2name");
482         GetCvars_handleFloat(s, f, cvar_cl_allow_uidtracking, "cl_allow_uidtracking");
483         GetCvars_handleFloat(s, f, cvar_cl_movement_track_canjump, "cl_movement_track_canjump");
484         GetCvars_handleFloat(s, f, cvar_cl_newusekeysupported, "cl_newusekeysupported");
485
486         // fixup of switchweapon (needed for LMS or when spectating is disabled, as PutClientInServer comes too early)
487         if (f > 0)
488         {
489                 if (s == "cl_weaponpriority")
490                         self.switchweapon = w_getbestweapon(self);
491                 if (s == "cl_allow_uidtracking")
492                         PlayerStats_GameReport_AddPlayer(self);
493         }
494 }
495
496 // decolorizes and team colors the player name when needed
497 string playername(entity p)
498 {
499     string t;
500     if (teamplay && !intermission_running && IS_PLAYER(p))
501     {
502         t = Team_ColorCode(p.team);
503         return strcat(t, strdecolorize(p.netname));
504     }
505     else
506         return p.netname;
507 }
508
509 vector randompos(vector m1, vector m2)
510 {
511     vector v;
512     m2 = m2 - m1;
513     v.x = m2_x * random() + m1_x;
514     v.y = m2_y * random() + m1_y;
515     v.z = m2_z * random() + m1_z;
516     return  v;
517 }
518
519 float want_weapon(entity weaponinfo, float allguns) // WEAPONTODO: what still needs done?
520 {
521         int i = weaponinfo.weapon;
522         int d = 0;
523
524         if (!i)
525                 return 0;
526
527         if (g_lms || g_ca || allguns)
528         {
529                 if(weaponinfo.spawnflags & WEP_FLAG_NORMAL)
530                         d = true;
531                 else
532                         d = false;
533         }
534         else if (g_cts)
535                 d = (i == WEP_SHOTGUN);
536         else if (g_nexball)
537                 d = 0; // weapon is set a few lines later
538         else
539                 d = !(!weaponinfo.weaponstart);
540
541         if(g_grappling_hook) // if possible, redirect off-hand hook to on-hand hook
542                 d |= (i == WEP_HOOK);
543         if(!g_cts && (weaponinfo.spawnflags & WEP_FLAG_MUTATORBLOCKED)) // never default mutator blocked guns
544                 d = 0;
545
546         float t = weaponinfo.weaponstartoverride;
547
548         //print(strcat("want_weapon: ", weaponinfo.netname, " - d: ", ftos(d), ", t: ", ftos(t), ". \n"));
549
550         // bit order in t:
551         // 1: want or not
552         // 2: is default?
553         // 4: is set by default?
554         if(t < 0)
555                 t = 4 | (3 * d);
556         else
557                 t |= (2 * d);
558
559         return t;
560 }
561
562 void readplayerstartcvars()
563 {
564         entity e;
565         float i, j, t;
566         string s;
567
568         // initialize starting values for players
569         start_weapons = '0 0 0';
570         start_weapons_default = '0 0 0';
571         start_weapons_defaultmask = '0 0 0';
572         start_items = 0;
573         start_ammo_shells = 0;
574         start_ammo_nails = 0;
575         start_ammo_rockets = 0;
576         start_ammo_cells = 0;
577         start_ammo_plasma = 0;
578         start_health = cvar("g_balance_health_start");
579         start_armorvalue = cvar("g_balance_armor_start");
580
581         g_weaponarena = 0;
582         g_weaponarena_weapons = '0 0 0';
583
584         s = cvar_string("g_weaponarena");
585         if (s == "0" || s == "")
586         {
587                 if(g_ca)
588                         s = "most";
589         }
590
591         if (s == "0" || s == "")
592         {
593                 // no arena
594         }
595         else if (s == "off")
596         {
597                 // forcibly turn off weaponarena
598         }
599         else if (s == "all" || s == "1")
600         {
601                 g_weaponarena = 1;
602                 g_weaponarena_list = "All Weapons";
603                 for (j = WEP_FIRST; j <= WEP_LAST; ++j)
604                 {
605                         e = get_weaponinfo(j);
606                         if (!(e.spawnflags & WEP_FLAG_MUTATORBLOCKED))
607                                 g_weaponarena_weapons |= WepSet_FromWeapon(j);
608                 }
609         }
610         else if (s == "most")
611         {
612                 g_weaponarena = 1;
613                 g_weaponarena_list = "Most Weapons";
614                 for (j = WEP_FIRST; j <= WEP_LAST; ++j)
615                 {
616                         e = get_weaponinfo(j);
617                         if (!(e.spawnflags & WEP_FLAG_MUTATORBLOCKED))
618                                 if (e.spawnflags & WEP_FLAG_NORMAL)
619                                         g_weaponarena_weapons |= WepSet_FromWeapon(j);
620                 }
621         }
622         else if (s == "none")
623         {
624                 g_weaponarena = 1;
625                 g_weaponarena_list = "No Weapons";
626         }
627         else
628         {
629                 g_weaponarena = 1;
630                 t = tokenize_console(s);
631                 g_weaponarena_list = "";
632                 for (i = 0; i < t; ++i)
633                 {
634                         s = argv(i);
635                         for (j = WEP_FIRST; j <= WEP_LAST; ++j)
636                         {
637                                 e = get_weaponinfo(j);
638                                 if (e.netname == s)
639                                 {
640                                         g_weaponarena_weapons |= WepSet_FromWeapon(j);
641                                         g_weaponarena_list = strcat(g_weaponarena_list, e.message, " & ");
642                                         break;
643                                 }
644                         }
645                         if (j > WEP_LAST)
646                         {
647                                 print("The weapon mutator list contains an unknown weapon ", s, ". Skipped.\n");
648                         }
649                 }
650                 g_weaponarena_list = strzone(substring(g_weaponarena_list, 0, strlen(g_weaponarena_list) - 3));
651         }
652
653         if(g_weaponarena)
654                 g_weaponarena_random = cvar("g_weaponarena_random");
655         else
656                 g_weaponarena_random = 0;
657         g_weaponarena_random_with_blaster = cvar("g_weaponarena_random_with_blaster");
658
659         if (g_weaponarena)
660         {
661                 g_weapon_stay = 0; // incompatible
662                 start_weapons = g_weaponarena_weapons;
663                 start_items |= IT_UNLIMITED_AMMO;
664         }
665         else
666         {
667                 for (i = WEP_FIRST; i <= WEP_LAST; ++i)
668                 {
669                         e = get_weaponinfo(i);
670                         int w = want_weapon(e, false);
671                         if(w & 1)
672                                 start_weapons |= WepSet_FromWeapon(i);
673                         if(w & 2)
674                                 start_weapons_default |= WepSet_FromWeapon(i);
675                         if(w & 4)
676                                 start_weapons_defaultmask |= WepSet_FromWeapon(i);
677                 }
678         }
679
680         if(!cvar("g_use_ammunition"))
681                 start_items |= IT_UNLIMITED_AMMO;
682
683         if(start_items & IT_UNLIMITED_WEAPON_AMMO)
684         {
685                 start_ammo_shells = 999;
686                 start_ammo_nails = 999;
687                 start_ammo_rockets = 999;
688                 start_ammo_cells = 999;
689                 start_ammo_plasma = 999;
690                 start_ammo_fuel = 999;
691         }
692         else
693         {
694                 start_ammo_shells = cvar("g_start_ammo_shells");
695                 start_ammo_nails = cvar("g_start_ammo_nails");
696                 start_ammo_rockets = cvar("g_start_ammo_rockets");
697                 start_ammo_cells = cvar("g_start_ammo_cells");
698                 start_ammo_plasma = cvar("g_start_ammo_plasma");
699                 start_ammo_fuel = cvar("g_start_ammo_fuel");
700         }
701
702         if (warmup_stage)
703         {
704                 warmup_start_ammo_shells = start_ammo_shells;
705                 warmup_start_ammo_nails = start_ammo_nails;
706                 warmup_start_ammo_rockets = start_ammo_rockets;
707                 warmup_start_ammo_cells = start_ammo_cells;
708                 warmup_start_ammo_plasma = start_ammo_plasma;
709                 warmup_start_ammo_fuel = start_ammo_fuel;
710                 warmup_start_health = start_health;
711                 warmup_start_armorvalue = start_armorvalue;
712                 warmup_start_weapons = start_weapons;
713                 warmup_start_weapons_default = start_weapons_default;
714                 warmup_start_weapons_defaultmask = start_weapons_defaultmask;
715
716                 if (!g_weaponarena && !g_ca)
717                 {
718                         warmup_start_ammo_shells = cvar("g_warmup_start_ammo_shells");
719                         warmup_start_ammo_nails = cvar("g_warmup_start_ammo_nails");
720                         warmup_start_ammo_rockets = cvar("g_warmup_start_ammo_rockets");
721                         warmup_start_ammo_cells = cvar("g_warmup_start_ammo_cells");
722                         warmup_start_ammo_plasma = cvar("g_warmup_start_ammo_plasma");
723                         warmup_start_ammo_fuel = cvar("g_warmup_start_ammo_fuel");
724                         warmup_start_health = cvar("g_warmup_start_health");
725                         warmup_start_armorvalue = cvar("g_warmup_start_armor");
726                         warmup_start_weapons = '0 0 0';
727                         warmup_start_weapons_default = '0 0 0';
728                         warmup_start_weapons_defaultmask = '0 0 0';
729                         for (i = WEP_FIRST; i <= WEP_LAST; ++i)
730                         {
731                                 e = get_weaponinfo(i);
732                                 int w = want_weapon(e, g_warmup_allguns);
733                                 if(w & 1)
734                                         warmup_start_weapons |= WepSet_FromWeapon(i);
735                                 if(w & 2)
736                                         warmup_start_weapons_default |= WepSet_FromWeapon(i);
737                                 if(w & 4)
738                                         warmup_start_weapons_defaultmask |= WepSet_FromWeapon(i);
739                         }
740                 }
741         }
742
743         if (g_jetpack)
744                 start_items |= IT_JETPACK;
745
746         MUTATOR_CALLHOOK(SetStartItems);
747
748         if ((start_items & IT_JETPACK) || (g_grappling_hook && (start_weapons & WEPSET_HOOK)))
749         {
750                 start_items |= IT_FUEL_REGEN;
751                 start_ammo_fuel = max(start_ammo_fuel, cvar("g_balance_fuel_rotstable"));
752                 warmup_start_ammo_fuel = max(warmup_start_ammo_fuel, cvar("g_balance_fuel_rotstable"));
753         }
754
755         WepSet precache_weapons = start_weapons;
756         if (g_warmup_allguns != 1)
757                 precache_weapons |= warmup_start_weapons;
758         for (i = WEP_FIRST; i <= WEP_LAST; ++i)
759         {
760                 e = get_weaponinfo(i);
761                 if(precache_weapons & WepSet_FromWeapon(i))
762                         WEP_ACTION(i, WR_INIT);
763         }
764
765         start_ammo_shells = max(0, start_ammo_shells);
766         start_ammo_nails = max(0, start_ammo_nails);
767         start_ammo_rockets = max(0, start_ammo_rockets);
768         start_ammo_cells = max(0, start_ammo_cells);
769         start_ammo_plasma = max(0, start_ammo_plasma);
770         start_ammo_fuel = max(0, start_ammo_fuel);
771
772         warmup_start_ammo_shells = max(0, warmup_start_ammo_shells);
773         warmup_start_ammo_nails = max(0, warmup_start_ammo_nails);
774         warmup_start_ammo_rockets = max(0, warmup_start_ammo_rockets);
775         warmup_start_ammo_cells = max(0, warmup_start_ammo_cells);
776         warmup_start_ammo_plasma = max(0, warmup_start_ammo_plasma);
777         warmup_start_ammo_fuel = max(0, warmup_start_ammo_fuel);
778 }
779
780 float sound_allowed(float _dest, entity e)
781 {
782     // sounds from world may always pass
783     for (;;)
784     {
785         if (e.classname == "body")
786             e = e.enemy;
787         else if (e.realowner && e.realowner != e)
788             e = e.realowner;
789         else if (e.owner && e.owner != e)
790             e = e.owner;
791         else
792             break;
793     }
794     // sounds to self may always pass
795     if (_dest == MSG_ONE)
796         if (e == msg_entity)
797             return true;
798     // sounds by players can be removed
799     if (autocvar_bot_sound_monopoly)
800         if (IS_REAL_CLIENT(e))
801             return false;
802     // anything else may pass
803     return true;
804 }
805
806 #undef sound
807 void sound(entity e, float chan, string samp, float vol, float _atten)
808 {
809     if (!sound_allowed(MSG_BROADCAST, e))
810         return;
811     sound7(e, chan, samp, vol, _atten, 0, 0);
812 }
813
814 void soundtoat(float _dest, entity e, vector o, float chan, string samp, float vol, float _atten)
815 {
816     float entno, idx;
817
818     if (!sound_allowed(_dest, e))
819         return;
820
821     entno = num_for_edict(e);
822     idx = precache_sound_index(samp);
823
824     float sflags;
825     sflags = 0;
826
827     _atten = floor(_atten * 64);
828     vol = floor(vol * 255);
829
830     if (vol != 255)
831         sflags |= SND_VOLUME;
832     if (_atten != 64)
833         sflags |= SND_ATTENUATION;
834     if (entno >= 8192 || chan < 0 || chan > 7)
835         sflags |= SND_LARGEENTITY;
836     if (idx >= 256)
837         sflags |= SND_LARGESOUND;
838
839     WriteByte(_dest, SVC_SOUND);
840     WriteByte(_dest, sflags);
841     if (sflags & SND_VOLUME)
842         WriteByte(_dest, vol);
843     if (sflags & SND_ATTENUATION)
844         WriteByte(_dest, _atten);
845     if (sflags & SND_LARGEENTITY)
846     {
847         WriteShort(_dest, entno);
848         WriteByte(_dest, chan);
849     }
850     else
851     {
852         WriteShort(_dest, entno * 8 + chan);
853     }
854     if (sflags & SND_LARGESOUND)
855         WriteShort(_dest, idx);
856     else
857         WriteByte(_dest, idx);
858
859     WriteCoord(_dest, o.x);
860     WriteCoord(_dest, o.y);
861     WriteCoord(_dest, o.z);
862 }
863 void soundto(float _dest, entity e, float chan, string samp, float vol, float _atten)
864 {
865     vector o;
866
867     if (!sound_allowed(_dest, e))
868         return;
869
870     o = e.origin + 0.5 * (e.mins + e.maxs);
871     soundtoat(_dest, e, o, chan, samp, vol, _atten);
872 }
873 void soundat(entity e, vector o, float chan, string samp, float vol, float _atten)
874 {
875     soundtoat(((chan & 8) ? MSG_ALL : MSG_BROADCAST), e, o, chan, samp, vol, _atten);
876 }
877 void stopsoundto(float _dest, entity e, float chan)
878 {
879     float entno;
880
881     if (!sound_allowed(_dest, e))
882         return;
883
884     entno = num_for_edict(e);
885
886     if (entno >= 8192 || chan < 0 || chan > 7)
887     {
888         float idx, sflags;
889         idx = precache_sound_index("misc/null.wav");
890         sflags = SND_LARGEENTITY;
891         if (idx >= 256)
892             sflags |= SND_LARGESOUND;
893         WriteByte(_dest, SVC_SOUND);
894         WriteByte(_dest, sflags);
895         WriteShort(_dest, entno);
896         WriteByte(_dest, chan);
897         if (sflags & SND_LARGESOUND)
898             WriteShort(_dest, idx);
899         else
900             WriteByte(_dest, idx);
901         WriteCoord(_dest, e.origin.x);
902         WriteCoord(_dest, e.origin.y);
903         WriteCoord(_dest, e.origin.z);
904     }
905     else
906     {
907         WriteByte(_dest, SVC_STOPSOUND);
908         WriteShort(_dest, entno * 8 + chan);
909     }
910 }
911 void stopsound(entity e, float chan)
912 {
913     if (!sound_allowed(MSG_BROADCAST, e))
914         return;
915
916     stopsoundto(MSG_BROADCAST, e, chan); // unreliable, gets there fast
917     stopsoundto(MSG_ALL, e, chan); // in case of packet loss
918 }
919
920 void play2(entity e, string filename)
921 {
922     //stuffcmd(e, strcat("play2 ", filename, "\n"));
923     msg_entity = e;
924     soundtoat(MSG_ONE, world, '0 0 0', CH_INFO, filename, VOL_BASE, ATTEN_NONE);
925 }
926
927 // use this one if you might be causing spam (e.g. from touch functions that might get called more than once per frame)
928 .float spamtime;
929 float spamsound(entity e, float chan, string samp, float vol, float _atten)
930 {
931     if (!sound_allowed(MSG_BROADCAST, e))
932         return false;
933
934     if (time > e.spamtime)
935     {
936         e.spamtime = time;
937         sound(e, chan, samp, vol, _atten);
938         return true;
939     }
940     return false;
941 }
942
943 void play2team(float t, string filename)
944 {
945     entity head;
946
947     if (autocvar_bot_sound_monopoly)
948         return;
949
950     FOR_EACH_REALPLAYER(head)
951     {
952         if (head.team == t)
953             play2(head, filename);
954     }
955 }
956
957 void play2all(string samp)
958 {
959     if (autocvar_bot_sound_monopoly)
960         return;
961
962     sound(world, CH_INFO, samp, VOL_BASE, ATTEN_NONE);
963 }
964
965 void PrecachePlayerSounds(string f);
966 void precache_playermodel(string m)
967 {
968         float globhandle, i, n;
969         string f;
970
971         if(substring(m, -9,5) == "_lod1")
972                 return;
973         if(substring(m, -9,5) == "_lod2")
974                 return;
975         precache_model(m);
976         f = strcat(substring(m, 0, -5), "_lod1", substring(m, -4, -1));
977         if(fexists(f))
978                 precache_model(f);
979         f = strcat(substring(m, 0, -5), "_lod2", substring(m, -4, -1));
980         if(fexists(f))
981                 precache_model(f);
982
983         globhandle = search_begin(strcat(m, "_*.sounds"), true, false);
984         if (globhandle < 0)
985                 return;
986         n = search_getsize(globhandle);
987         for (i = 0; i < n; ++i)
988         {
989                 //print(search_getfilename(globhandle, i), "\n");
990                 f = search_getfilename(globhandle, i);
991                 PrecachePlayerSounds(f);
992         }
993         search_end(globhandle);
994 }
995 void precache_all_playermodels(string pattern)
996 {
997         float globhandle, i, n;
998         string f;
999
1000         globhandle = search_begin(pattern, true, false);
1001         if (globhandle < 0)
1002                 return;
1003         n = search_getsize(globhandle);
1004         for (i = 0; i < n; ++i)
1005         {
1006                 //print(search_getfilename(globhandle, i), "\n");
1007                 f = search_getfilename(globhandle, i);
1008                 precache_playermodel(f);
1009         }
1010         search_end(globhandle);
1011 }
1012
1013 void precache()
1014 {
1015     // gamemode related things
1016     precache_model ("models/misc/chatbubble.spr");
1017         precache_model("models/ice/ice.md3");
1018
1019     // Precache all player models if desired
1020     if (autocvar_sv_precacheplayermodels)
1021     {
1022         PrecachePlayerSounds("sound/player/default.sounds");
1023         precache_all_playermodels("models/player/*.zym");
1024         precache_all_playermodels("models/player/*.dpm");
1025         precache_all_playermodels("models/player/*.md3");
1026         precache_all_playermodels("models/player/*.psk");
1027         precache_all_playermodels("models/player/*.iqm");
1028     }
1029
1030     if (autocvar_sv_defaultcharacter)
1031     {
1032         string s;
1033         s = autocvar_sv_defaultplayermodel_red;
1034         if (s != "")
1035             precache_playermodel(s);
1036         s = autocvar_sv_defaultplayermodel_blue;
1037         if (s != "")
1038             precache_playermodel(s);
1039         s = autocvar_sv_defaultplayermodel_yellow;
1040         if (s != "")
1041             precache_playermodel(s);
1042         s = autocvar_sv_defaultplayermodel_pink;
1043         if (s != "")
1044             precache_playermodel(s);
1045         s = autocvar_sv_defaultplayermodel;
1046         if (s != "")
1047             precache_playermodel(s);
1048     }
1049
1050     if (g_footsteps)
1051     {
1052         PrecacheGlobalSound((globalsound_step = "misc/footstep0 6"));
1053         PrecacheGlobalSound((globalsound_metalstep = "misc/metalfootstep0 6"));
1054     }
1055
1056     // gore and miscellaneous sounds
1057     //precache_sound ("misc/h2ohit.wav");
1058     precache_model ("models/hook.md3");
1059     precache_sound ("misc/armorimpact.wav");
1060     precache_sound ("misc/bodyimpact1.wav");
1061     precache_sound ("misc/bodyimpact2.wav");
1062     precache_sound ("misc/gib.wav");
1063     precache_sound ("misc/gib_splat01.wav");
1064     precache_sound ("misc/gib_splat02.wav");
1065     precache_sound ("misc/gib_splat03.wav");
1066     precache_sound ("misc/gib_splat04.wav");
1067     PrecacheGlobalSound((globalsound_fall = "misc/hitground 4"));
1068     PrecacheGlobalSound((globalsound_metalfall = "misc/metalhitground 4"));
1069     precache_sound ("misc/null.wav");
1070     precache_sound ("misc/spawn.wav");
1071     precache_sound ("misc/talk.wav");
1072     precache_sound ("misc/teleport.wav");
1073     precache_sound ("misc/poweroff.wav");
1074     precache_sound ("player/lava.wav");
1075     precache_sound ("player/slime.wav");
1076
1077     precache_model ("models/sprites/0.spr32");
1078     precache_model ("models/sprites/1.spr32");
1079     precache_model ("models/sprites/2.spr32");
1080     precache_model ("models/sprites/3.spr32");
1081     precache_model ("models/sprites/4.spr32");
1082     precache_model ("models/sprites/5.spr32");
1083     precache_model ("models/sprites/6.spr32");
1084     precache_model ("models/sprites/7.spr32");
1085     precache_model ("models/sprites/8.spr32");
1086     precache_model ("models/sprites/9.spr32");
1087     precache_model ("models/sprites/10.spr32");
1088
1089     // common weapon precaches
1090         precache_sound ("weapons/reload.wav"); // until weapons have individual reload sounds, precache the reload sound here
1091     precache_sound ("weapons/weapon_switch.wav");
1092     precache_sound ("weapons/weaponpickup.wav");
1093     precache_sound ("weapons/unavailable.wav");
1094     precache_sound ("weapons/dryfire.wav");
1095     if (g_grappling_hook)
1096     {
1097         precache_sound ("weapons/hook_fire.wav"); // hook
1098         precache_sound ("weapons/hook_impact.wav"); // hook
1099     }
1100
1101     precache_model("models/elaser.mdl");
1102     precache_model("models/laser.mdl");
1103     precache_model("models/ebomb.mdl");
1104
1105 #if 0
1106     // Disabled this code because it simply does not work (e.g. ignores bgmvolume, overlaps with "cd loop" controlled tracks).
1107
1108     if (!self.noise && self.music) // quake 3 uses the music field
1109         self.noise = self.music;
1110
1111     // plays music for the level if there is any
1112     if (self.noise)
1113     {
1114         precache_sound (self.noise);
1115         ambientsound ('0 0 0', self.noise, VOL_BASE, ATTEN_NONE);
1116     }
1117 #endif
1118
1119 #include "precache-for-csqc.inc"
1120 }
1121
1122
1123 void make_safe_for_remove(entity e)
1124 {
1125     if (e.initialize_entity)
1126     {
1127         entity ent, prev = world;
1128         for (ent = initialize_entity_first; ent; )
1129         {
1130             if ((ent == e) || ((ent.classname == "initialize_entity") && (ent.enemy == e)))
1131             {
1132                 //print("make_safe_for_remove: getting rid of initializer ", etos(ent), "\n");
1133                 // skip it in linked list
1134                 if (prev)
1135                 {
1136                     prev.initialize_entity_next = ent.initialize_entity_next;
1137                     ent = prev.initialize_entity_next;
1138                 }
1139                 else
1140                 {
1141                     initialize_entity_first = ent.initialize_entity_next;
1142                     ent = initialize_entity_first;
1143                 }
1144             }
1145             else
1146             {
1147                 prev = ent;
1148                 ent = ent.initialize_entity_next;
1149             }
1150         }
1151     }
1152 }
1153
1154 void objerror(string s)
1155 {
1156     make_safe_for_remove(self);
1157     builtin_objerror(s);
1158 }
1159
1160 .float remove_except_protected_forbidden;
1161 void remove_except_protected(entity e)
1162 {
1163         if(e.remove_except_protected_forbidden)
1164                 error("not allowed to remove this at this point");
1165         builtin_remove(e);
1166 }
1167
1168 void remove_unsafely(entity e)
1169 {
1170     if(e.classname == "spike")
1171         error("Removing spikes is forbidden (crylink bug), please report");
1172     builtin_remove(e);
1173 }
1174
1175 void remove_safely(entity e)
1176 {
1177     make_safe_for_remove(e);
1178     builtin_remove(e);
1179 }
1180
1181 void InitializeEntity(entity e, void(void) func, float order)
1182 {
1183     entity prev, cur;
1184
1185     if (!e || e.initialize_entity)
1186     {
1187         // make a proxy initializer entity
1188         entity e_old;
1189         e_old = e;
1190         e = spawn();
1191         e.classname = "initialize_entity";
1192         e.enemy = e_old;
1193     }
1194
1195     e.initialize_entity = func;
1196     e.initialize_entity_order = order;
1197
1198     cur = initialize_entity_first;
1199     prev = world;
1200     for (;;)
1201     {
1202         if (!cur || cur.initialize_entity_order > order)
1203         {
1204             // insert between prev and cur
1205             if (prev)
1206                 prev.initialize_entity_next = e;
1207             else
1208                 initialize_entity_first = e;
1209             e.initialize_entity_next = cur;
1210             return;
1211         }
1212         prev = cur;
1213         cur = cur.initialize_entity_next;
1214     }
1215 }
1216 void InitializeEntitiesRun()
1217 {
1218     entity startoflist;
1219     startoflist = initialize_entity_first;
1220     initialize_entity_first = world;
1221     remove = remove_except_protected;
1222     for (self = startoflist; self; self = self.initialize_entity_next)
1223     {
1224         self.remove_except_protected_forbidden = 1;
1225     }
1226     for (self = startoflist; self; )
1227     {
1228         entity e;
1229         var void(void) func;
1230         e = self.initialize_entity_next;
1231         func = self.initialize_entity;
1232         self.initialize_entity_order = 0;
1233         self.initialize_entity = func_null;
1234         self.initialize_entity_next = world;
1235         self.remove_except_protected_forbidden = 0;
1236         if (self.classname == "initialize_entity")
1237         {
1238             entity e_old;
1239             e_old = self.enemy;
1240             builtin_remove(self);
1241             self = e_old;
1242         }
1243         //dprint("Delayed initialization: ", self.classname, "\n");
1244         if(func)
1245             func();
1246         else
1247         {
1248             eprint(self);
1249             backtrace(strcat("Null function in: ", self.classname, "\n"));
1250         }
1251         self = e;
1252     }
1253     remove = remove_unsafely;
1254 }
1255
1256 void UncustomizeEntitiesRun()
1257 {
1258     entity oldself;
1259     oldself = self;
1260     for (self = world; (self = findfloat(self, uncustomizeentityforclient_set, 1)); )
1261         self.uncustomizeentityforclient();
1262     self = oldself;
1263 }
1264 void SetCustomizer(entity e, float(void) customizer, void(void) uncustomizer)
1265 {
1266     e.customizeentityforclient = customizer;
1267     e.uncustomizeentityforclient = uncustomizer;
1268     e.uncustomizeentityforclient_set = !!uncustomizer;
1269 }
1270
1271
1272 void Net_LinkEntity(entity e, float docull, float dt, float(entity, float) sendfunc)
1273 {
1274     vector mi, ma;
1275
1276     if (e.classname == "")
1277         e.classname = "net_linked";
1278
1279     if (e.model == "" || self.modelindex == 0)
1280     {
1281         mi = e.mins;
1282         ma = e.maxs;
1283         setmodel(e, "null");
1284         setsize(e, mi, ma);
1285     }
1286
1287     e.SendEntity = sendfunc;
1288     e.SendFlags = 0xFFFFFF;
1289
1290     if (!docull)
1291         e.effects |= EF_NODEPTHTEST;
1292
1293     if (dt)
1294     {
1295         e.nextthink = time + dt;
1296         e.think = SUB_Remove;
1297     }
1298 }
1299
1300
1301 entity eliminatedPlayers;
1302 .float(entity) isEliminated;
1303 float EliminatedPlayers_SendEntity(entity to, float sendflags)
1304 {
1305         float i, f, b;
1306         entity e;
1307         WriteByte(MSG_ENTITY, ENT_CLIENT_ELIMINATEDPLAYERS);
1308         WriteByte(MSG_ENTITY, sendflags);
1309
1310         if(sendflags & 1)
1311         {
1312                 for(i = 1; i <= maxclients; i += 8)
1313                 {
1314                         for(f = 0, e = edict_num(i), b = 1; b < 256; b *= 2, e = nextent(e))
1315                         {
1316                                 if(eliminatedPlayers.isEliminated(e))
1317                                         f |= b;
1318                         }
1319                         WriteByte(MSG_ENTITY, f);
1320                 }
1321         }
1322
1323         return true;
1324 }
1325
1326 void EliminatedPlayers_Init(float(entity) isEliminated_func)
1327 {
1328         if(eliminatedPlayers)
1329         {
1330                 backtrace("Can't spawn eliminatedPlayers again!");
1331                 return;
1332         }
1333         Net_LinkEntity(eliminatedPlayers = spawn(), false, 0, EliminatedPlayers_SendEntity);
1334         eliminatedPlayers.isEliminated = isEliminated_func;
1335 }
1336
1337
1338 void adaptor_think2touch()
1339 {
1340     entity o;
1341     o = other;
1342     other = world;
1343     self.touch();
1344     other = o;
1345 }
1346
1347 void adaptor_think2use()
1348 {
1349     entity o, a;
1350     o = other;
1351     a = activator;
1352     activator = world;
1353     other = world;
1354     self.use();
1355     other = o;
1356     activator = a;
1357 }
1358
1359 void adaptor_think2use_hittype_splash() // for timed projectile detonation
1360 {
1361         if(!(self.flags & FL_ONGROUND)) // if onground, we ARE touching something, but HITTYPE_SPLASH is to be networked if the damage causing projectile is not touching ANYTHING
1362                 self.projectiledeathtype |= HITTYPE_SPLASH;
1363         adaptor_think2use();
1364 }
1365
1366 // deferred dropping
1367 void DropToFloor_Handler()
1368 {
1369     builtin_droptofloor();
1370     self.dropped_origin = self.origin;
1371 }
1372
1373 void droptofloor()
1374 {
1375     InitializeEntity(self, DropToFloor_Handler, INITPRIO_DROPTOFLOOR);
1376 }
1377
1378
1379
1380 float trace_hits_box_a0, trace_hits_box_a1;
1381
1382 float trace_hits_box_1d(float end, float thmi, float thma)
1383 {
1384     if (end == 0)
1385     {
1386         // just check if x is in range
1387         if (0 < thmi)
1388             return false;
1389         if (0 > thma)
1390             return false;
1391     }
1392     else
1393     {
1394         // do the trace with respect to x
1395         // 0 -> end has to stay in thmi -> thma
1396         trace_hits_box_a0 = max(trace_hits_box_a0, min(thmi / end, thma / end));
1397         trace_hits_box_a1 = min(trace_hits_box_a1, max(thmi / end, thma / end));
1398         if (trace_hits_box_a0 > trace_hits_box_a1)
1399             return false;
1400     }
1401     return true;
1402 }
1403
1404 float trace_hits_box(vector start, vector end, vector thmi, vector thma)
1405 {
1406     end -= start;
1407     thmi -= start;
1408     thma -= start;
1409     // now it is a trace from 0 to end
1410
1411     trace_hits_box_a0 = 0;
1412     trace_hits_box_a1 = 1;
1413
1414     if (!trace_hits_box_1d(end.x, thmi.x, thma.x))
1415         return false;
1416     if (!trace_hits_box_1d(end.y, thmi.y, thma.y))
1417         return false;
1418     if (!trace_hits_box_1d(end.z, thmi.z, thma.z))
1419         return false;
1420
1421     return true;
1422 }
1423
1424 float tracebox_hits_box(vector start, vector mi, vector ma, vector end, vector thmi, vector thma)
1425 {
1426     return trace_hits_box(start, end, thmi - ma, thma - mi);
1427 }
1428
1429 float SUB_NoImpactCheck()
1430 {
1431         // zero hitcontents = this is not the real impact, but either the
1432         // mirror-impact of something hitting the projectile instead of the
1433         // projectile hitting the something, or a touchareagrid one. Neither of
1434         // these stop the projectile from moving, so...
1435         if(trace_dphitcontents == 0)
1436         {
1437                 //dprint("A hit happened with zero hit contents... DEBUG THIS, this should never happen for projectiles! Projectile will self-destruct.\n");
1438                 dprintf("A hit from a projectile happened with no hit contents! DEBUG THIS, this should never happen for projectiles! Profectile will self-destruct. (edict: %d, classname: %s, origin: %s)\n", num_for_edict(self), self.classname, vtos(self.origin));
1439                 checkclient();
1440         }
1441     if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOIMPACT)
1442         return 1;
1443     if (other == world && self.size != '0 0 0')
1444     {
1445         vector tic;
1446         tic = self.velocity * sys_frametime;
1447         tic = tic + normalize(tic) * vlen(self.maxs - self.mins);
1448         traceline(self.origin - tic, self.origin + tic, MOVE_NORMAL, self);
1449         if (trace_fraction >= 1)
1450         {
1451             dprint("Odd... did not hit...?\n");
1452         }
1453         else if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_NOIMPACT)
1454         {
1455             dprint("Detected and prevented the sky-grapple bug.\n");
1456             return 1;
1457         }
1458     }
1459
1460     return 0;
1461 }
1462
1463 #define SUB_OwnerCheck() (other && (other == self.owner))
1464
1465 void RemoveGrapplingHook(entity pl);
1466 void W_Crylink_Dequeue(entity e);
1467 float WarpZone_Projectile_Touch_ImpactFilter_Callback()
1468 {
1469         if(SUB_OwnerCheck())
1470                 return true;
1471         if(SUB_NoImpactCheck())
1472         {
1473                 if(self.classname == "nade")
1474                         return false; // no checks here
1475                 else if(self.classname == "grapplinghook")
1476                         RemoveGrapplingHook(self.realowner);
1477                 else if(self.classname == "spike")
1478                 {
1479                         W_Crylink_Dequeue(self);
1480                         remove(self);
1481                 }
1482                 else
1483                         remove(self);
1484                 return true;
1485         }
1486         if(trace_ent && trace_ent.solid > SOLID_TRIGGER)
1487                 UpdateCSQCProjectile(self);
1488         return false;
1489 }
1490
1491
1492 void URI_Get_Callback(float id, float status, string data)
1493 {
1494         if(url_URI_Get_Callback(id, status, data))
1495         {
1496                 // handled
1497         }
1498         else if (id == URI_GET_DISCARD)
1499         {
1500                 // discard
1501         }
1502         else if (id >= URI_GET_CURL && id <= URI_GET_CURL_END)
1503         {
1504                 // sv_cmd curl
1505                 Curl_URI_Get_Callback(id, status, data);
1506         }
1507         else if (id >= URI_GET_IPBAN && id <= URI_GET_IPBAN_END)
1508         {
1509                 // online ban list
1510                 OnlineBanList_URI_Get_Callback(id, status, data);
1511         }
1512         else
1513         {
1514                 print("Received HTTP request data for an invalid id ", ftos(id), ".\n");
1515         }
1516 }
1517
1518 string uid2name(string myuid) {
1519         string s;
1520         s = db_get(ServerProgsDB, strcat("/uid2name/", myuid));
1521
1522         // FIXME remove this later after 0.6 release
1523         // convert old style broken records to correct style
1524         if(s == "")
1525         {
1526                 s = db_get(ServerProgsDB, strcat("uid2name", myuid));
1527                 if(s != "")
1528                 {
1529                         db_put(ServerProgsDB, strcat("/uid2name/", myuid), s);
1530                         db_put(ServerProgsDB, strcat("uid2name", myuid), "");
1531                 }
1532         }
1533
1534         if(s == "")
1535                 s = "^1Unregistered Player";
1536         return s;
1537 }
1538
1539 float MoveToRandomMapLocation(entity e, float goodcontents, float badcontents, float badsurfaceflags, float attempts, float maxaboveground, float minviewdistance)
1540 {
1541     float m, i;
1542     vector start, org, delta, end, enddown, mstart;
1543     entity sp;
1544
1545     m = e.dphitcontentsmask;
1546     e.dphitcontentsmask = goodcontents | badcontents;
1547
1548     org = world.mins;
1549     delta = world.maxs - world.mins;
1550
1551     start = end = org;
1552
1553     for (i = 0; i < attempts; ++i)
1554     {
1555         start.x = org.x + random() * delta.x;
1556         start.y = org.y + random() * delta.y;
1557         start.z = org.z + random() * delta.z;
1558
1559         // rule 1: start inside world bounds, and outside
1560         // solid, and don't start from somewhere where you can
1561         // fall down to evil
1562         tracebox(start, e.mins, e.maxs, start - '0 0 1' * delta.z, MOVE_NORMAL, e);
1563         if (trace_fraction >= 1)
1564             continue;
1565         if (trace_startsolid)
1566             continue;
1567         if (trace_dphitcontents & badcontents)
1568             continue;
1569         if (trace_dphitq3surfaceflags & badsurfaceflags)
1570             continue;
1571
1572         // rule 2: if we are too high, lower the point
1573         if (trace_fraction * delta.z > maxaboveground)
1574             start = trace_endpos + '0 0 1' * maxaboveground;
1575         enddown = trace_endpos;
1576
1577         // rule 3: make sure we aren't outside the map. This only works
1578         // for somewhat well formed maps. A good rule of thumb is that
1579         // the map should have a convex outside hull.
1580         // these can be traceLINES as we already verified the starting box
1581         mstart = start + 0.5 * (e.mins + e.maxs);
1582         traceline(mstart, mstart + '1 0 0' * delta.x, MOVE_NORMAL, e);
1583         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1584             continue;
1585         traceline(mstart, mstart - '1 0 0' * delta.x, MOVE_NORMAL, e);
1586         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1587             continue;
1588         traceline(mstart, mstart + '0 1 0' * delta.y, MOVE_NORMAL, e);
1589         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1590             continue;
1591         traceline(mstart, mstart - '0 1 0' * delta.y, MOVE_NORMAL, e);
1592         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1593             continue;
1594         traceline(mstart, mstart + '0 0 1' * delta.z, MOVE_NORMAL, e);
1595         if (trace_fraction >= 1 || trace_dphittexturename == "common/caulk")
1596             continue;
1597
1598         // rule 4: we must "see" some spawnpoint or item
1599         for(sp = world; (sp = find(sp, classname, "info_player_deathmatch")); )
1600                 if(checkpvs(mstart, sp))
1601                         if((traceline(mstart, sp.origin, MOVE_NORMAL, e), trace_fraction) >= 1)
1602                                 break;
1603         if(!sp)
1604         {
1605                 for(sp = world; (sp = findflags(sp, flags, FL_ITEM)); )
1606                         if(checkpvs(mstart, sp))
1607                                 if((traceline(mstart, sp.origin + (sp.mins + sp.maxs) * 0.5, MOVE_NORMAL, e), trace_fraction) >= 1)
1608                                         break;
1609                 if(!sp)
1610                         continue;
1611         }
1612
1613         // find a random vector to "look at"
1614         end.x = org.x + random() * delta.x;
1615         end.y = org.y + random() * delta.y;
1616         end.z = org.z + random() * delta.z;
1617         end = start + normalize(end - start) * vlen(delta);
1618
1619         // rule 4: start TO end must not be too short
1620         tracebox(start, e.mins, e.maxs, end, MOVE_NORMAL, e);
1621         if (trace_startsolid)
1622             continue;
1623         if (trace_fraction < minviewdistance / vlen(delta))
1624             continue;
1625
1626         // rule 5: don't want to look at sky
1627         if (trace_dphitq3surfaceflags & Q3SURFACEFLAG_SKY)
1628             continue;
1629
1630         // rule 6: we must not end up in trigger_hurt
1631         if (tracebox_hits_trigger_hurt(start, e.mins, e.maxs, enddown))
1632             continue;
1633
1634         break;
1635     }
1636
1637     e.dphitcontentsmask = m;
1638
1639     if (i < attempts)
1640     {
1641         setorigin(e, start);
1642         e.angles = vectoangles(end - start);
1643         dprint("Needed ", ftos(i + 1), " attempts\n");
1644         return true;
1645     }
1646     else
1647         return false;
1648 }
1649
1650 void write_recordmarker(entity pl, float tstart, float dt)
1651 {
1652     GameLogEcho(strcat(":recordset:", ftos(pl.playerid), ":", ftos(dt)));
1653
1654     // also write a marker into demo files for demotc-race-record-extractor to find
1655     stuffcmd(pl,
1656              strcat(
1657                  strcat("//", strconv(2, 0, 0, GetGametype()), " RECORD SET ", TIME_ENCODED_TOSTRING(TIME_ENCODE(dt))),
1658                  " ", ftos(tstart), " ", ftos(dt), "\n"));
1659 }
1660
1661 vector shotorg_adjustfromclient(vector vecs, float y_is_right, float allowcenter, float algn)
1662 {
1663         switch(algn)
1664         {
1665                 default:
1666                 case 3: // right
1667                         break;
1668
1669                 case 4: // left
1670                         vecs.y = -vecs.y;
1671                         break;
1672
1673                 case 1:
1674                         if(allowcenter) // 2: allow center handedness
1675                         {
1676                                 // center
1677                                 vecs.y = 0;
1678                                 vecs.z -= 2;
1679                         }
1680                         else
1681                         {
1682                                 // right
1683                         }
1684                         break;
1685
1686                 case 2:
1687                         if(allowcenter) // 2: allow center handedness
1688                         {
1689                                 // center
1690                                 vecs.y = 0;
1691                                 vecs.z -= 2;
1692                         }
1693                         else
1694                         {
1695                                 // left
1696                                 vecs.y = -vecs.y;
1697                         }
1698                         break;
1699         }
1700         return vecs;
1701 }
1702
1703 vector shotorg_adjust_values(vector vecs, float y_is_right, float visual, float algn)
1704 {
1705         string s;
1706         vector v;
1707
1708         if (autocvar_g_shootfromeye)
1709         {
1710                 if (visual)
1711                 {
1712                         if (autocvar_g_shootfromclient) { vecs = shotorg_adjustfromclient(vecs, y_is_right, (autocvar_g_shootfromclient >= 2), algn); }
1713                         else { vecs.y = 0; vecs.z -= 2; }
1714                 }
1715                 else
1716                 {
1717                         vecs.y = 0;
1718                         vecs.z = 0;
1719                 }
1720         }
1721         else if (autocvar_g_shootfromcenter)
1722         {
1723                 vecs.y = 0;
1724                 vecs.z -= 2;
1725         }
1726         else if ((s = autocvar_g_shootfromfixedorigin) != "")
1727         {
1728                 v = stov(s);
1729                 if (y_is_right)
1730                         v.y = -v.y;
1731                 if (v.x != 0)
1732                         vecs.x = v.x;
1733                 vecs.y = v.y;
1734                 vecs.z = v.z;
1735         }
1736         else if (autocvar_g_shootfromclient)
1737         {
1738                 vecs = shotorg_adjustfromclient(vecs, y_is_right, (autocvar_g_shootfromclient >= 2), algn);
1739         }
1740         return vecs;
1741 }
1742
1743 vector shotorg_adjust(vector vecs, float y_is_right, float visual)
1744 {
1745         return shotorg_adjust_values(vecs, y_is_right, visual, self.owner.cvar_cl_gunalign);
1746 }
1747
1748
1749 void attach_sameorigin(entity e, entity to, string tag)
1750 {
1751     vector org, t_forward, t_left, t_up, e_forward, e_up;
1752     float tagscale;
1753
1754     org = e.origin - gettaginfo(to, gettagindex(to, tag));
1755     tagscale = pow(vlen(v_forward), -2); // undo a scale on the tag
1756     t_forward = v_forward * tagscale;
1757     t_left = v_right * -tagscale;
1758     t_up = v_up * tagscale;
1759
1760     e.origin_x = org * t_forward;
1761     e.origin_y = org * t_left;
1762     e.origin_z = org * t_up;
1763
1764     // current forward and up directions
1765     if (substring(e.model, 0, 1) == "*") // bmodels have their own rules
1766                 e.angles = AnglesTransform_FromVAngles(e.angles);
1767         else
1768                 e.angles = AnglesTransform_FromAngles(e.angles);
1769     fixedmakevectors(e.angles);
1770
1771     // untransform forward, up!
1772     e_forward.x = v_forward * t_forward;
1773     e_forward.y = v_forward * t_left;
1774     e_forward.z = v_forward * t_up;
1775     e_up.x = v_up * t_forward;
1776     e_up.y = v_up * t_left;
1777     e_up.z = v_up * t_up;
1778
1779     e.angles = fixedvectoangles2(e_forward, e_up);
1780     if (substring(e.model, 0, 1) == "*") // bmodels have their own rules
1781                 e.angles = AnglesTransform_ToVAngles(e.angles);
1782         else
1783                 e.angles = AnglesTransform_ToAngles(e.angles);
1784
1785     setattachment(e, to, tag);
1786     setorigin(e, e.origin);
1787 }
1788
1789 void detach_sameorigin(entity e)
1790 {
1791     vector org;
1792     org = gettaginfo(e, 0);
1793     e.angles = fixedvectoangles2(v_forward, v_up);
1794     if (substring(e.model, 0, 1) == "*") // bmodels have their own rules
1795                 e.angles = AnglesTransform_ToVAngles(e.angles);
1796         else
1797                 e.angles = AnglesTransform_ToAngles(e.angles);
1798     setorigin(e, org);
1799     setattachment(e, world, "");
1800     setorigin(e, e.origin);
1801 }
1802
1803 void follow_sameorigin(entity e, entity to)
1804 {
1805     e.movetype = MOVETYPE_FOLLOW; // make the hole follow
1806     e.aiment = to; // make the hole follow bmodel
1807     e.punchangle = to.angles; // the original angles of bmodel
1808     e.view_ofs = e.origin - to.origin; // relative origin
1809     e.v_angle = e.angles - to.angles; // relative angles
1810 }
1811
1812 void unfollow_sameorigin(entity e)
1813 {
1814     e.movetype = MOVETYPE_NONE;
1815 }
1816
1817 entity gettaginfo_relative_ent;
1818 vector gettaginfo_relative(entity e, float tag)
1819 {
1820     if (!gettaginfo_relative_ent)
1821     {
1822         gettaginfo_relative_ent = spawn();
1823         gettaginfo_relative_ent.effects = EF_NODRAW;
1824     }
1825     gettaginfo_relative_ent.model = e.model;
1826     gettaginfo_relative_ent.modelindex = e.modelindex;
1827     gettaginfo_relative_ent.frame = e.frame;
1828     return gettaginfo(gettaginfo_relative_ent, tag);
1829 }
1830
1831 .float scale2;
1832
1833 float modeleffect_SendEntity(entity to, float sf)
1834 {
1835         float f;
1836         WriteByte(MSG_ENTITY, ENT_CLIENT_MODELEFFECT);
1837
1838         f = 0;
1839         if(self.velocity != '0 0 0')
1840                 f |= 1;
1841         if(self.angles != '0 0 0')
1842                 f |= 2;
1843         if(self.avelocity != '0 0 0')
1844                 f |= 4;
1845
1846         WriteByte(MSG_ENTITY, f);
1847         WriteShort(MSG_ENTITY, self.modelindex);
1848         WriteByte(MSG_ENTITY, self.skin);
1849         WriteByte(MSG_ENTITY, self.frame);
1850         WriteCoord(MSG_ENTITY, self.origin.x);
1851         WriteCoord(MSG_ENTITY, self.origin.y);
1852         WriteCoord(MSG_ENTITY, self.origin.z);
1853         if(f & 1)
1854         {
1855                 WriteCoord(MSG_ENTITY, self.velocity.x);
1856                 WriteCoord(MSG_ENTITY, self.velocity.y);
1857                 WriteCoord(MSG_ENTITY, self.velocity.z);
1858         }
1859         if(f & 2)
1860         {
1861                 WriteCoord(MSG_ENTITY, self.angles.x);
1862                 WriteCoord(MSG_ENTITY, self.angles.y);
1863                 WriteCoord(MSG_ENTITY, self.angles.z);
1864         }
1865         if(f & 4)
1866         {
1867                 WriteCoord(MSG_ENTITY, self.avelocity.x);
1868                 WriteCoord(MSG_ENTITY, self.avelocity.y);
1869                 WriteCoord(MSG_ENTITY, self.avelocity.z);
1870         }
1871         WriteShort(MSG_ENTITY, self.scale * 256.0);
1872         WriteShort(MSG_ENTITY, self.scale2 * 256.0);
1873         WriteByte(MSG_ENTITY, self.teleport_time * 100.0);
1874         WriteByte(MSG_ENTITY, self.fade_time * 100.0);
1875         WriteByte(MSG_ENTITY, self.alpha * 255.0);
1876
1877         return true;
1878 }
1879
1880 void modeleffect_spawn(string m, float s, float f, vector o, vector v, vector ang, vector angv, float s0, float s2, float a, float t1, float t2)
1881 {
1882         entity e;
1883         float sz;
1884         e = spawn();
1885         e.classname = "modeleffect";
1886         setmodel(e, m);
1887         e.frame = f;
1888         setorigin(e, o);
1889         e.velocity = v;
1890         e.angles = ang;
1891         e.avelocity = angv;
1892         e.alpha = a;
1893         e.teleport_time = t1;
1894         e.fade_time = t2;
1895         e.skin = s;
1896         if(s0 >= 0)
1897                 e.scale = s0 / max6(-e.mins.x, -e.mins.y, -e.mins.z, e.maxs.x, e.maxs.y, e.maxs.z);
1898         else
1899                 e.scale = -s0;
1900         if(s2 >= 0)
1901                 e.scale2 = s2 / max6(-e.mins.x, -e.mins.y, -e.mins.z, e.maxs.x, e.maxs.y, e.maxs.z);
1902         else
1903                 e.scale2 = -s2;
1904         sz = max(e.scale, e.scale2);
1905         setsize(e, e.mins * sz, e.maxs * sz);
1906         Net_LinkEntity(e, false, 0.1, modeleffect_SendEntity);
1907 }
1908
1909 void shockwave_spawn(string m, vector org, float sz, float t1, float t2)
1910 {
1911         return modeleffect_spawn(m, 0, 0, org, '0 0 0', '0 0 0', '0 0 0', 0, sz, 1, t1, t2);
1912 }
1913
1914 float randombit(float bits)
1915 {
1916         if(!(bits & (bits-1))) // this ONLY holds for powers of two!
1917                 return bits;
1918
1919         float n, f, b, r;
1920
1921         r = random();
1922         b = 0;
1923         n = 0;
1924
1925         for(f = 1; f <= bits; f *= 2)
1926         {
1927                 if(bits & f)
1928                 {
1929                         ++n;
1930                         r *= n;
1931                         if(r <= 1)
1932                                 b = f;
1933                         else
1934                                 r = (r - 1) / (n - 1);
1935                 }
1936         }
1937
1938         return b;
1939 }
1940
1941 float randombits(float bits, float k, float error_return)
1942 {
1943         float r;
1944         r = 0;
1945         while(k > 0 && bits != r)
1946         {
1947                 r += randombit(bits - r);
1948                 --k;
1949         }
1950         if(error_return)
1951                 if(k > 0)
1952                         return -1; // all
1953         return r;
1954 }
1955
1956 void randombit_test(float bits, float iter)
1957 {
1958         while(iter > 0)
1959         {
1960                 print(ftos(randombit(bits)), "\n");
1961                 --iter;
1962         }
1963 }
1964
1965 float ExponentialFalloff(float mindist, float maxdist, float halflifedist, float d)
1966 {
1967         if(halflifedist > 0)
1968                 return pow(0.5, (bound(mindist, d, maxdist) - mindist) / halflifedist);
1969         else if(halflifedist < 0)
1970                 return pow(0.5, (bound(mindist, d, maxdist) - maxdist) / halflifedist);
1971         else
1972                 return 1;
1973 }
1974
1975
1976 void defer_think()
1977 {
1978     entity oself;
1979
1980     oself           = self;
1981     self            = self.owner;
1982     oself.think     = SUB_Remove;
1983     oself.nextthink = time;
1984
1985     oself.use();
1986 }
1987
1988 /*
1989     Execute func() after time + fdelay.
1990     self when func is executed = self when defer is called
1991 */
1992 void defer(float fdelay, void() func)
1993 {
1994     entity e;
1995
1996     e           = spawn();
1997     e.owner     = self;
1998     e.use       = func;
1999     e.think     = defer_think;
2000     e.nextthink = time + fdelay;
2001 }
2002
2003 .string aiment_classname;
2004 .float aiment_deadflag;
2005 void SetMovetypeFollow(entity ent, entity e)
2006 {
2007         // FIXME this may not be warpzone aware
2008         ent.movetype = MOVETYPE_FOLLOW; // make the hole follow
2009         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.
2010         ent.aiment = e; // make the hole follow bmodel
2011         ent.punchangle = e.angles; // the original angles of bmodel
2012         ent.view_ofs = ent.origin - e.origin; // relative origin
2013         ent.v_angle = ent.angles - e.angles; // relative angles
2014         ent.aiment_classname = strzone(e.classname);
2015         ent.aiment_deadflag = e.deadflag;
2016 }
2017 void UnsetMovetypeFollow(entity ent)
2018 {
2019         ent.movetype = MOVETYPE_FLY;
2020         PROJECTILE_MAKETRIGGER(ent);
2021         ent.aiment = world;
2022 }
2023 float LostMovetypeFollow(entity ent)
2024 {
2025 /*
2026         if(ent.movetype != MOVETYPE_FOLLOW)
2027                 if(ent.aiment)
2028                         error("???");
2029 */
2030         if(ent.aiment)
2031         {
2032                 if(ent.aiment.classname != ent.aiment_classname)
2033                         return 1;
2034                 if(ent.aiment.deadflag != ent.aiment_deadflag)
2035                         return 1;
2036         }
2037         return 0;
2038 }
2039
2040 float isPushable(entity e)
2041 {
2042         if(e.iscreature)
2043                 return true;
2044         if(e.pushable)
2045                 return true;
2046         switch(e.classname)
2047         {
2048                 case "body":
2049                 case "droppedweapon":
2050                 case "keepawayball":
2051                 case "nexball_basketball":
2052                 case "nexball_football":
2053                         return true;
2054                 case "bullet": // antilagged bullets can't hit this either
2055                         return false;
2056         }
2057         if (e.projectiledeathtype)
2058                 return true;
2059         return false;
2060 }