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Merge remote-tracking branch 'origin/master' into samual/serverlist
[xonotic/xonotic-data.pk3dir.git] / qcsrc / server / teamplay.qc
1 string cache_mutatormsg;
2 string cache_lastmutatormsg;
3
4 // client counts for each team
5 float c1, c2, c3, c4;
6 // # of bots on those teams
7 float cb1, cb2, cb3, cb4;
8
9 //float audit_teams_time;
10
11 void TeamchangeFrags(entity e)
12 {
13         PlayerScore_Clear(e);
14 }
15
16 void tdm_init();
17 void entcs_init();
18
19 void LogTeamchange(float player_id, float team_number, float type)
20 {
21         if(!autocvar_sv_eventlog)
22                 return;
23
24         if(player_id < 1)
25                 return;
26
27         GameLogEcho(strcat(":team:", ftos(player_id), ":", ftos(team_number), ":", ftos(type)));
28 }
29
30 void default_delayedinit()
31 {
32         if(!scores_initialized)
33                 ScoreRules_generic();
34 }
35
36 void ActivateTeamplay()
37 {
38         serverflags |= SERVERFLAG_TEAMPLAY;
39         teamplay = 1;
40 }
41
42 void InitGameplayMode()
43 {
44         float fraglimit_override, timelimit_override, leadlimit_override, qualifying_override;
45
46         qualifying_override = -1;
47
48         VoteReset();
49
50         // find out good world mins/maxs bounds, either the static bounds found by looking for solid, or the mapinfo specified bounds
51         get_mi_min_max(1);
52         world.mins = mi_min;
53         world.maxs = mi_max;
54
55         MapInfo_LoadMapSettings(mapname);
56         teamplay = 0;
57         serverflags &= ~SERVERFLAG_TEAMPLAY;
58
59         if not(cvar_value_issafe(world.fog))
60         {
61                 print("The current map contains a potentially harmful fog setting, ignored\n");
62                 world.fog = string_null;
63         }
64         if(MapInfo_Map_fog != "")
65                 if(MapInfo_Map_fog == "none")
66                         world.fog = string_null;
67                 else
68                         world.fog = strzone(MapInfo_Map_fog);
69         clientstuff = strzone(MapInfo_Map_clientstuff);
70
71         MapInfo_ClearTemps();
72
73         // set both here, gamemode can override it later
74         timelimit_override = autocvar_timelimit_override;
75         fraglimit_override = autocvar_fraglimit_override;
76         leadlimit_override = autocvar_leadlimit_override;
77         gamemode_name = MapInfo_Type_ToText(MapInfo_LoadedGametype);
78
79         if(g_dm)
80         {
81         }
82
83         if(g_tdm)
84         {
85                 ActivateTeamplay();
86                 tdm_init();
87                 if(autocvar_g_tdm_team_spawns)
88                         have_team_spawns = -1; // request team spawns
89         }
90
91         if(g_domination)
92         {
93                 ActivateTeamplay();
94                 fraglimit_override = autocvar_g_domination_point_limit;
95                 leadlimit_override = autocvar_g_domination_point_leadlimit;
96                 MUTATOR_ADD(gamemode_domination);
97                 have_team_spawns = -1; // request team spawns
98         }
99
100         if(g_ctf)
101         {
102                 ActivateTeamplay();
103                 fraglimit_override = autocvar_capturelimit_override;
104                 leadlimit_override = autocvar_captureleadlimit_override;
105                 MUTATOR_ADD(gamemode_ctf);
106                 have_team_spawns = -1; // request team spawns
107         }
108
109         if(g_lms)
110         {
111                 fraglimit_override = autocvar_g_lms_lives_override;
112                 leadlimit_override = 0; // not supported by LMS
113                 if(fraglimit_override == 0)
114                         fraglimit_override = -1;
115                 MUTATOR_ADD(gamemode_lms);
116         }
117
118         if(g_arena)
119         {
120                 fraglimit_override = autocvar_g_arena_point_limit;
121                 leadlimit_override = autocvar_g_arena_point_leadlimit;
122                 MUTATOR_ADD(gamemode_arena);
123         }
124
125         if(g_ca)
126         {
127                 ActivateTeamplay();
128                 fraglimit_override = autocvar_g_ca_point_limit;
129                 leadlimit_override = autocvar_g_ca_point_leadlimit;
130                 MUTATOR_ADD(gamemode_ca);
131         }
132
133         if(g_keyhunt)
134         {
135                 ActivateTeamplay();
136                 fraglimit_override = autocvar_g_keyhunt_point_limit;
137                 leadlimit_override = autocvar_g_keyhunt_point_leadlimit;
138                 MUTATOR_ADD(gamemode_keyhunt);
139         }
140
141         if(g_freezetag)
142         {
143                 ActivateTeamplay();
144                 fraglimit_override = autocvar_g_freezetag_point_limit;
145                 leadlimit_override = autocvar_g_freezetag_point_leadlimit;
146                 MUTATOR_ADD(gamemode_freezetag);
147         }
148
149         if(g_assault)
150         {
151                 ActivateTeamplay();
152                 MUTATOR_ADD(gamemode_assault);
153                 have_team_spawns = -1; // request team spawns
154         }
155
156         if(g_onslaught)
157         {
158                 ActivateTeamplay();
159                 have_team_spawns = -1; // request team spawns
160                 MUTATOR_ADD(gamemode_onslaught);
161         }
162
163         if(g_race)
164         {
165
166                 if(autocvar_g_race_teams)
167                 {
168                         ActivateTeamplay();
169                         race_teams = bound(2, autocvar_g_race_teams, 4);
170                         have_team_spawns = -1; // request team spawns
171                 }
172                 else
173                         race_teams = 0;
174
175                 qualifying_override = autocvar_g_race_qualifying_timelimit_override;
176                 fraglimit_override = autocvar_g_race_laps_limit;
177                 leadlimit_override = 0; // currently not supported by race
178         }
179
180         if(g_cts)
181         {
182                 g_race_qualifying = 1;
183                 fraglimit_override = 0;
184                 leadlimit_override = 0;
185         }
186
187         if(g_nexball)
188         {
189         fraglimit_override = autocvar_g_nexball_goallimit;
190         leadlimit_override = autocvar_g_nexball_goalleadlimit;
191         ActivateTeamplay();
192         have_team_spawns = -1; // request team spawns
193             MUTATOR_ADD(gamemode_nexball);
194         }
195         
196         if(g_keepaway)
197         {
198                 MUTATOR_ADD(gamemode_keepaway);
199         }
200
201         if(teamplay)
202                 entcs_init();
203
204         cache_mutatormsg = strzone("");
205         cache_lastmutatormsg = strzone("");
206
207         // enforce the server's universal frag/time limits
208         if(!autocvar_g_campaign)
209         {
210                 if(fraglimit_override >= 0)
211                         cvar_set("fraglimit", ftos(fraglimit_override));
212                 if(timelimit_override >= 0)
213                         cvar_set("timelimit", ftos(timelimit_override));
214                 if(leadlimit_override >= 0)
215                         cvar_set("leadlimit", ftos(leadlimit_override));
216                 if(qualifying_override >= 0)
217                         cvar_set("g_race_qualifying_timelimit", ftos(qualifying_override));
218         }
219
220         if(g_race)
221         {
222                 // we need to find out the correct value for g_race_qualifying
223                 if(autocvar_g_campaign)
224                 {
225                         g_race_qualifying = 1;
226                 }
227                 else if(!autocvar_g_campaign && autocvar_g_race_qualifying_timelimit > 0)
228                 {
229                         g_race_qualifying = 2;
230                         race_fraglimit = autocvar_fraglimit;
231                         race_leadlimit = autocvar_leadlimit;
232                         race_timelimit = autocvar_timelimit;
233                         cvar_set("fraglimit", "0");
234                         cvar_set("leadlimit", "0");
235                         cvar_set("timelimit", ftos(autocvar_g_race_qualifying_timelimit));
236                 }
237                 else
238                         g_race_qualifying = 0;
239         }
240
241         if(g_race || g_cts)
242         {
243                 if(g_race_qualifying)
244                         independent_players = 1;
245
246                 ScoreRules_race();
247         }
248
249         InitializeEntity(world, default_delayedinit, INITPRIO_GAMETYPE_FALLBACK);
250 }
251
252 string GetClientVersionMessage() {
253         string versionmsg;
254         if (self.version_mismatch) {
255                 if(self.version < autocvar_gameversion) {
256                         versionmsg = "^3Your client version is outdated.\n\n\n### YOU WON'T BE ABLE TO PLAY ON THIS SERVER ###\n\n\nPlease update!!!^8";
257                 } else {
258                         versionmsg = "^3This server is using an outdated Xonotic version.\n\n\n ### THIS SERVER IS INCOMPATIBLE AND THUS YOU CANNOT JOIN ###.^8";
259                 }
260         } else {
261                 versionmsg = "^2client version and server version are compatible.^8";
262         }
263         return versionmsg;
264 }
265
266 string getwelcomemessage(void)
267 {
268         string s, modifications, motd;
269
270         ret_string = "";
271         MUTATOR_CALLHOOK(BuildMutatorsPrettyString);
272         modifications = ret_string;
273
274         if(g_weaponarena)
275         {
276                 if(g_weaponarena_random)
277                         modifications = strcat(modifications, ", ", ftos(g_weaponarena_random), " of ", g_weaponarena_list, " Arena");
278                 else
279                         modifications = strcat(modifications, ", ", g_weaponarena_list, " Arena");
280         }
281         if(autocvar_g_start_weapon_laser == 0)
282                 modifications = strcat(modifications, ", No start weapons");
283         if(autocvar_sv_gravity < 800)
284                 modifications = strcat(modifications, ", Low gravity");
285         if(g_cloaked && !g_cts)
286                 modifications = strcat(modifications, ", Cloaked");
287         if(g_grappling_hook)
288                 modifications = strcat(modifications, ", Hook");
289         if(g_weapon_stay && !g_cts)
290                 modifications = strcat(modifications, ", Weapons stay");
291         if(g_jetpack)
292                 modifications = strcat(modifications, ", Jet pack");
293         if(autocvar_g_powerups == 0)
294                 modifications = strcat(modifications, ", No powerups");
295         if(autocvar_g_powerups > 0)
296                 modifications = strcat(modifications, ", Powerups");
297         modifications = substring(modifications, 2, strlen(modifications) - 2);
298
299         string versionmessage;
300         versionmessage = GetClientVersionMessage();
301
302         s = strcat("This is Xonotic ", autocvar_g_xonoticversion, "\n", versionmessage);
303         s = strcat(s, "^8\n\nmatch type is ^1", gamemode_name, "^8\n");
304
305         if(modifications != "")
306                 s = strcat(s, "^8\nactive modifications: ^3", modifications, "^8\n");
307
308         if (g_grappling_hook)
309                 s = strcat(s, "\n\n^3grappling hook^8 is enabled, press 'e' to use it\n");
310
311         if(cache_lastmutatormsg != autocvar_g_mutatormsg)
312         {
313                 if(cache_lastmutatormsg)
314                         strunzone(cache_lastmutatormsg);
315                 if(cache_mutatormsg)
316                         strunzone(cache_mutatormsg);
317                 cache_lastmutatormsg = strzone(autocvar_g_mutatormsg);
318                 cache_mutatormsg = strzone(cache_lastmutatormsg);
319         }
320
321         if (cache_mutatormsg != "") {
322                 s = strcat(s, "\n\n^8special gameplay tips: ^7", cache_mutatormsg);
323         }
324
325         motd = autocvar_sv_motd;
326         if (motd != "") {
327                 s = strcat(s, "\n\n^8MOTD: ^7", strreplace("\\n", "\n", motd));
328         }
329         return s;
330 }
331
332 void SetPlayerColors(entity pl, float _color)
333 {
334         /*string s;
335         s = ftos(cl);
336         stuffcmd(pl, strcat("color ", s, " ", s, "\n")  );
337         pl.team = cl + 1;
338         //pl.clientcolors = pl.clientcolors - (pl.clientcolors & 15) + cl;
339         pl.clientcolors = 16*cl + cl;*/
340
341         float pants, shirt;
342         pants = _color & 0x0F;
343         shirt = _color & 0xF0;
344
345
346         if(teamplay) {
347                 setcolor(pl, 16*pants + pants);
348         } else {
349                 setcolor(pl, shirt + pants);
350         }
351 }
352
353 void SetPlayerTeam(entity pl, float t, float s, float noprint)
354 {
355         float _color;
356
357         if(t == 4)
358                 _color = NUM_TEAM_4 - 1;
359         else if(t == 3)
360                 _color = NUM_TEAM_3 - 1;
361         else if(t == 2)
362                 _color = NUM_TEAM_2 - 1;
363         else
364                 _color = NUM_TEAM_1 - 1;
365
366         SetPlayerColors(pl,_color);
367
368         if(t != s) {
369                 LogTeamchange(pl.playerid, pl.team, 3);  // log manual team join
370
371                 if(!noprint)
372                 bprint(pl.netname, "^7 has changed from ", Team_NumberToColoredFullName(s), "^7 to ", Team_NumberToColoredFullName(t), "\n");
373         }
374
375 }
376
377 // set c1...c4 to show what teams are allowed
378 void CheckAllowedTeams (entity for_whom)
379 {
380         float dm;
381         entity head;
382         string teament_name;
383
384         c1 = c2 = c3 = c4 = -1;
385         cb1 = cb2 = cb3 = cb4 = 0;
386
387         teament_name = string_null;
388         if(g_onslaught)
389         {
390                 // onslaught is special
391                 head = findchain(classname, "onslaught_generator");
392                 while (head)
393                 {
394                         if (head.team == NUM_TEAM_1) c1 = 0;
395                         if (head.team == NUM_TEAM_2) c2 = 0;
396                         if (head.team == NUM_TEAM_3) c3 = 0;
397                         if (head.team == NUM_TEAM_4) c4 = 0;
398                         head = head.chain;
399                 }
400         }
401         else if(g_domination)
402                 teament_name = "dom_team";
403         else if(g_ctf)
404                 teament_name = "ctf_team";
405         else if(g_tdm)
406                 teament_name = "tdm_team";
407         else if(g_nexball)
408                 teament_name = "nexball_team";
409         else if(g_assault)
410                 c1 = c2 = 0; // Assault always has 2 teams
411         else
412         {
413                 // cover anything else by treating it like tdm with no teams spawned
414                 if(g_race)
415                         dm = race_teams;
416                 else
417                         dm = 2;
418
419                 ret_float = dm;
420                 MUTATOR_CALLHOOK(GetTeamCount);
421                 dm = ret_float;
422
423                 if(dm >= 4)
424                         c1 = c2 = c3 = c4 = 0;
425                 else if(dm >= 3)
426                         c1 = c2 = c3 = 0;
427                 else
428                         c1 = c2 = 0;
429         }
430
431         // find out what teams are allowed if necessary
432         if(teament_name)
433         {
434                 head = find(world, classname, teament_name);
435                 while(head)
436                 {
437                         if(!(g_domination && head.netname == ""))
438                         {
439                                 if(head.team == NUM_TEAM_1)
440                                         c1 = 0;
441                                 else if(head.team == NUM_TEAM_2)
442                                         c2 = 0;
443                                 else if(head.team == NUM_TEAM_3)
444                                         c3 = 0;
445                                 else if(head.team == NUM_TEAM_4)
446                                         c4 = 0;
447                         }
448                         head = find(head, classname, teament_name);
449                 }
450         }
451
452         // TODO: Balance quantity of bots across > 2 teams when bot_vs_human is set (and remove next line)
453         if(c3==-1 && c4==-1)
454         if(autocvar_bot_vs_human && for_whom)
455         {
456                 if(autocvar_bot_vs_human > 0)
457                 {
458                         // bots are all blue
459                         if(IS_BOT_CLIENT(for_whom))
460                                 c1 = c3 = c4 = -1;
461                         else
462                                 c2 = -1;
463                 }
464                 else
465                 {
466                         // bots are all red
467                         if(IS_BOT_CLIENT(for_whom))
468                                 c2 = c3 = c4 = -1;
469                         else
470                                 c1 = -1;
471                 }
472         }
473
474         // if player has a forced team, ONLY allow that one
475         if(self.team_forced == NUM_TEAM_1 && c1 >= 0)
476                 c2 = c3 = c4 = -1;
477         else if(self.team_forced == NUM_TEAM_2 && c2 >= 0)
478                 c1 = c3 = c4 = -1;
479         else if(self.team_forced == NUM_TEAM_3 && c3 >= 0)
480                 c1 = c2 = c4 = -1;
481         else if(self.team_forced == NUM_TEAM_4 && c4 >= 0)
482                 c1 = c2 = c3 = -1;
483 }
484
485 float PlayerValue(entity p)
486 {
487         return 1;
488         // FIXME: it always returns 1...
489 }
490
491 // c1...c4 should be set to -1 (not allowed) or 0 (allowed).
492 // teams that are allowed will now have their player counts stored in c1...c4
493 void GetTeamCounts(entity ignore)
494 {
495         entity head;
496         float value, bvalue;
497         // now count how many players are on each team already
498
499         // FIXME: also find and memorize the lowest-scoring bot on each team (in case players must be shuffled around)
500         // also remember the lowest-scoring player
501
502         FOR_EACH_CLIENT(head)
503         {
504                 float t;
505                 if(IS_PLAYER(head))
506                         t = head.team;
507                 else if(head.team_forced > 0)
508                         t = head.team_forced; // reserve the spot
509                 else
510                         continue;
511                 if(head != ignore)// && head.netname != "")
512                 {
513                         value = PlayerValue(head);
514                         if(IS_BOT_CLIENT(head))
515                                 bvalue = value;
516                         else
517                                 bvalue = 0;
518                         if(t == NUM_TEAM_1)
519                         {
520                                 if(c1 >= 0)
521                                 {
522                                         c1 = c1 + value;
523                                         cb1 = cb1 + bvalue;
524                                 }
525                         }
526                         if(t == NUM_TEAM_2)
527                         {
528                                 if(c2 >= 0)
529                                 {
530                                         c2 = c2 + value;
531                                         cb2 = cb2 + bvalue;
532                                 }
533                         }
534                         if(t == NUM_TEAM_3)
535                         {
536                                 if(c3 >= 0)
537                                 {
538                                         c3 = c3 + value;
539                                         cb3 = cb3 + bvalue;
540                                 }
541                         }
542                         if(t == NUM_TEAM_4)
543                         {
544                                 if(c4 >= 0)
545                                 {
546                                         c4 = c4 + value;
547                                         cb4 = cb4 + bvalue;
548                                 }
549                         }
550                 }
551         }
552
553         // if the player who has a forced team has not joined yet, reserve the spot
554         if(autocvar_g_campaign)
555         {
556                 switch(autocvar_g_campaign_forceteam)
557                 {
558                         case 1: if(c1 == cb1) ++c1; break;
559                         case 2: if(c2 == cb2) ++c2; break;
560                         case 3: if(c3 == cb3) ++c3; break;
561                         case 4: if(c4 == cb4) ++c4; break;
562                 }
563         }
564 }
565
566 float TeamSmallerEqThanTeam(float ta, float tb, entity e)
567 {
568         // we assume that CheckAllowedTeams and GetTeamCounts have already been called
569         float f;
570         float ca = -1, cb = -1, cba = 0, cbb = 0, sa = 0, sb = 0;
571
572         switch(ta)
573         {
574                 case 1: ca = c1; cba = cb1; sa = team1_score; break;
575                 case 2: ca = c2; cba = cb2; sa = team2_score; break;
576                 case 3: ca = c3; cba = cb3; sa = team3_score; break;
577                 case 4: ca = c4; cba = cb4; sa = team4_score; break;
578         }
579         switch(tb)
580         {
581                 case 1: cb = c1; cbb = cb1; sb = team1_score; break;
582                 case 2: cb = c2; cbb = cb2; sb = team2_score; break;
583                 case 3: cb = c3; cbb = cb3; sb = team3_score; break;
584                 case 4: cb = c4; cbb = cb4; sb = team4_score; break;
585         }
586
587         // invalid
588         if(ca < 0 || cb < 0)
589                 return FALSE;
590
591         // equal
592         if(ta == tb)
593                 return TRUE;
594
595         if(IS_REAL_CLIENT(e))
596         {
597                 if(bots_would_leave)
598                 {
599                         ca -= cba * 0.999;
600                         cb -= cbb * 0.999;
601                 }
602         }
603         
604         // keep teams alive (teams of size 0 always count as smaller, ignoring score)
605         if(ca < 1)
606                 if(cb >= 1)
607                         return TRUE;
608         if(ca >= 1)
609                 if(cb < 1)
610                         return FALSE;
611
612         // first, normalize
613         f = max(ca, cb, 1);
614         ca /= f;
615         cb /= f;
616         f = max(sa, sb, 1);
617         sa /= f;
618         sb /= f;
619
620         // the more we're at the end of the match, the more take scores into account
621         f = bound(0, game_completion_ratio * autocvar_g_balance_teams_scorefactor, 1);
622         ca += (sa - ca) * f;
623         cb += (sb - cb) * f;
624
625         return ca <= cb;
626 }
627
628 // returns # of smallest team (1, 2, 3, 4)
629 // NOTE: Assumes CheckAllowedTeams has already been called!
630 float FindSmallestTeam(entity pl, float ignore_pl)
631 {
632         float totalteams, t;
633         totalteams = 0;
634
635         // find out what teams are available
636         //CheckAllowedTeams();
637
638         // make sure there are at least 2 teams to join
639         if(c1 >= 0)
640                 totalteams = totalteams + 1;
641         if(c2 >= 0)
642                 totalteams = totalteams + 1;
643         if(c3 >= 0)
644                 totalteams = totalteams + 1;
645         if(c4 >= 0)
646                 totalteams = totalteams + 1;
647
648         if((autocvar_bot_vs_human || pl.team_forced > 0) && totalteams == 1)
649                 totalteams += 1;
650
651         if(totalteams <= 1)
652         {
653                 if(autocvar_g_campaign && pl && IS_REAL_CLIENT(pl))
654                         return 1; // special case for campaign and player joining
655                 else if(g_domination)
656                         error("Too few teams available for domination\n");
657                 else if(g_ctf)
658                         error("Too few teams available for ctf\n");
659                 else if(g_keyhunt)
660                         error("Too few teams available for key hunt\n");
661                 else if(g_freezetag)
662                         error("Too few teams available for freeze tag\n");
663                 else
664                         error("Too few teams available for team deathmatch\n");
665         }
666
667         // count how many players are in each team
668         if(ignore_pl)
669                 GetTeamCounts(pl);
670         else
671                 GetTeamCounts(world);
672
673         RandomSelection_Init();
674         
675         t = 1;
676         if(TeamSmallerEqThanTeam(2, t, pl))
677                 t = 2;
678         if(TeamSmallerEqThanTeam(3, t, pl))
679                 t = 3;
680         if(TeamSmallerEqThanTeam(4, t, pl))
681                 t = 4;
682
683         // now t is the minimum, or A minimum!
684         if(t == 1 || TeamSmallerEqThanTeam(1, t, pl))
685                 RandomSelection_Add(world, 1, string_null, 1, 1);
686         if(t == 2 || TeamSmallerEqThanTeam(2, t, pl))
687                 RandomSelection_Add(world, 2, string_null, 1, 1);
688         if(t == 3 || TeamSmallerEqThanTeam(3, t, pl))
689                 RandomSelection_Add(world, 3, string_null, 1, 1);
690         if(t == 4 || TeamSmallerEqThanTeam(4, t, pl))
691                 RandomSelection_Add(world, 4, string_null, 1, 1);
692
693         return RandomSelection_chosen_float;
694 }
695
696 float JoinBestTeam(entity pl, float only_return_best, float forcebestteam)
697 {
698         float smallest, selectedteam;
699
700         // don't join a team if we're not playing a team game
701         if(!teamplay)
702                 return 0;
703
704         // find out what teams are available
705         CheckAllowedTeams(pl);
706
707         // if we don't care what team he ends up on, put him on whatever team he entered as.
708         // if he's not on a valid team, then let other code put him on the smallest team
709         if(!forcebestteam)
710         {
711                 if(     c1 >= 0 && pl.team == NUM_TEAM_1)
712                         selectedteam = pl.team;
713                 else if(c2 >= 0 && pl.team == NUM_TEAM_2)
714                         selectedteam = pl.team;
715                 else if(c3 >= 0 && pl.team == NUM_TEAM_3)
716                         selectedteam = pl.team;
717                 else if(c4 >= 0 && pl.team == NUM_TEAM_4)
718                         selectedteam = pl.team;
719                 else
720                         selectedteam = -1;
721
722                 if(selectedteam > 0)
723                 {
724                         if(!only_return_best)
725                         {
726                                 SetPlayerColors(pl, selectedteam - 1);
727
728                                 // when JoinBestTeam is called by client.qc/ClientKill_Now_TeamChange the players team is -1 and thus skipped
729                                 // when JoinBestTeam is called by cl_client.qc/ClientConnect the player_id is 0 the log attempt is rejected
730                                 LogTeamchange(pl.playerid, pl.team, 99);
731                         }
732                         return selectedteam;
733                 }
734                 // otherwise end up on the smallest team (handled below)
735         }
736
737         smallest = FindSmallestTeam(pl, TRUE);
738
739         if(!only_return_best && !pl.bot_forced_team)
740         {
741                 TeamchangeFrags(self);
742                 if(smallest == 1)
743                 {
744                         SetPlayerColors(pl, NUM_TEAM_1 - 1);
745                 }
746                 else if(smallest == 2)
747                 {
748                         SetPlayerColors(pl, NUM_TEAM_2 - 1);
749                 }
750                 else if(smallest == 3)
751                 {
752                         SetPlayerColors(pl, NUM_TEAM_3 - 1);
753                 }
754                 else if(smallest == 4)
755                 {
756                         SetPlayerColors(pl, NUM_TEAM_4 - 1);
757                 }
758                 else
759                 {
760                         error("smallest team: invalid team\n");
761                 }
762
763                 LogTeamchange(pl.playerid, pl.team, 2); // log auto join
764
765                 if(pl.deadflag == DEAD_NO)
766                         Damage(pl, pl, pl, 100000, DEATH_TEAMCHANGE, pl.origin, '0 0 0');
767         }
768
769         return smallest;
770 }
771
772 //void() ctf_playerchanged;
773 void SV_ChangeTeam(float _color)
774 {
775         float scolor, dcolor, steam, dteam; //, dbotcount, scount, dcount;
776
777         // in normal deathmatch we can just apply the color and we're done
778         if(!teamplay) {
779                 SetPlayerColors(self, _color);
780                 return;
781         }
782
783         scolor = self.clientcolors & 0x0F;
784         dcolor = _color & 0x0F;
785
786         if(scolor == NUM_TEAM_1 - 1)
787                 steam = 1;
788         else if(scolor == NUM_TEAM_2 - 1)
789                 steam = 2;
790         else if(scolor == NUM_TEAM_3 - 1)
791                 steam = 3;
792         else // if(scolor == NUM_TEAM_4 - 1)
793                 steam = 4;
794         if(dcolor == NUM_TEAM_1 - 1)
795                 dteam = 1;
796         else if(dcolor == NUM_TEAM_2 - 1)
797                 dteam = 2;
798         else if(dcolor == NUM_TEAM_3 - 1)
799                 dteam = 3;
800         else // if(dcolor == NUM_TEAM_4 - 1)
801                 dteam = 4;
802
803         CheckAllowedTeams(self);
804
805         if(dteam == 1 && c1 < 0) dteam = 4;
806         if(dteam == 4 && c4 < 0) dteam = 3;
807         if(dteam == 3 && c3 < 0) dteam = 2;
808         if(dteam == 2 && c2 < 0) dteam = 1;
809
810         // not changing teams
811         if(scolor == dcolor)
812         {
813                 //bprint("same team change\n");
814                 SetPlayerTeam(self, dteam, steam, TRUE);
815                 return;
816         }
817
818         if((autocvar_g_campaign) || (autocvar_g_changeteam_banned && self.wasplayer)) {
819                 sprint(self, "Team changes not allowed\n");
820                 return; // changing teams is not allowed
821         }
822
823         // autocvar_g_balance_teams_prevent_imbalance only makes sense if autocvar_g_balance_teams is on, as it makes the team selection dialog pointless
824         if(autocvar_g_balance_teams && autocvar_g_balance_teams_prevent_imbalance)
825         {
826                 GetTeamCounts(self);
827                 if(!TeamSmallerEqThanTeam(dteam, steam, self))
828                 {
829                         sprint(self, "Cannot change to a larger/better/shinier team\n");
830                         return;
831                 }
832         }
833
834 //      bprint("allow change teams from ", ftos(steam), " to ", ftos(dteam), "\n");
835
836         if(IS_PLAYER(self) && steam != dteam)
837         {
838                 // reduce frags during a team change
839                 TeamchangeFrags(self);
840         }
841
842         SetPlayerTeam(self, dteam, steam, FALSE);
843
844         if(IS_PLAYER(self) && steam != dteam)
845         {
846                 // kill player when changing teams
847                 if(self.deadflag == DEAD_NO)
848                         Damage(self, self, self, 100000, DEATH_TEAMCHANGE, self.origin, '0 0 0');
849         }
850 }
851
852 void ShufflePlayerOutOfTeam (float source_team)
853 {
854         float smallestteam, smallestteam_count, steam;
855         float lowest_bot_score, lowest_player_score;
856         entity head, lowest_bot, lowest_player, selected;
857
858         smallestteam = 0;
859         smallestteam_count = 999999999;
860
861         if(c1 >= 0 && c1 < smallestteam_count)
862         {
863                 smallestteam = 1;
864                 smallestteam_count = c1;
865         }
866         if(c2 >= 0 && c2 < smallestteam_count)
867         {
868                 smallestteam = 2;
869                 smallestteam_count = c2;
870         }
871         if(c3 >= 0 && c3 < smallestteam_count)
872         {
873                 smallestteam = 3;
874                 smallestteam_count = c3;
875         }
876         if(c4 >= 0 && c4 < smallestteam_count)
877         {
878                 smallestteam = 4;
879                 smallestteam_count = c4;
880         }
881
882         if(!smallestteam)
883         {
884                 bprint("warning: no smallest team\n");
885                 return;
886         }
887
888         if(source_team == 1)
889                 steam = NUM_TEAM_1;
890         else if(source_team == 2)
891                 steam = NUM_TEAM_2;
892         else if(source_team == 3)
893                 steam = NUM_TEAM_3;
894         else // if(source_team == 4)
895                 steam = NUM_TEAM_4;
896
897         lowest_bot = world;
898         lowest_bot_score = 999999999;
899         lowest_player = world;
900         lowest_player_score = 999999999;
901
902         // find the lowest-scoring player & bot of that team
903         FOR_EACH_PLAYER(head)
904         {
905                 if(head.team == steam)
906                 {
907                         if(head.isbot)
908                         {
909                                 if(head.totalfrags < lowest_bot_score)
910                                 {
911                                         lowest_bot = head;
912                                         lowest_bot_score = head.totalfrags;
913                                 }
914                         }
915                         else
916                         {
917                                 if(head.totalfrags < lowest_player_score)
918                                 {
919                                         lowest_player = head;
920                                         lowest_player_score = head.totalfrags;
921                                 }
922                         }
923                 }
924         }
925
926         // prefers to move a bot...
927         if(lowest_bot != world)
928                 selected = lowest_bot;
929         // but it will move a player if it has to
930         else
931                 selected = lowest_player;
932         // don't do anything if it couldn't find anyone
933         if(!selected)
934         {
935                 bprint("warning: couldn't find a player to move from team\n");
936                 return;
937         }
938
939         // smallest team gains a member
940         if(smallestteam == 1)
941         {
942                 c1 = c1 + 1;
943         }
944         else if(smallestteam == 2)
945         {
946                 c2 = c2 + 1;
947         }
948         else if(smallestteam == 3)
949         {
950                 c3 = c3 + 1;
951         }
952         else if(smallestteam == 4)
953         {
954                 c4 = c4 + 1;
955         }
956         else
957         {
958                 bprint("warning: destination team invalid\n");
959                 return;
960         }
961         // source team loses a member
962         if(source_team == 1)
963         {
964                 c1 = c1 + 1;
965         }
966         else if(source_team == 2)
967         {
968                 c2 = c2 + 2;
969         }
970         else if(source_team == 3)
971         {
972                 c3 = c3 + 3;
973         }
974         else if(source_team == 4)
975         {
976                 c4 = c4 + 4;
977         }
978         else
979         {
980                 bprint("warning: source team invalid\n");
981                 return;
982         }
983
984         // move the player to the new team
985         TeamchangeFrags(selected);
986         SetPlayerTeam(selected, smallestteam, source_team, FALSE);
987
988         if(selected.deadflag == DEAD_NO)
989                 Damage(selected, selected, selected, 100000, DEATH_AUTOTEAMCHANGE, selected.origin, '0 0 0');
990         centerprint(selected, strcat("You have been moved into a different team to improve team balance\nYou are now on: ", Team_ColoredFullName(selected.team)));
991 }
992
993 // code from here on is just to support maps that don't have team entities
994 void tdm_spawnteam (string teamname, float teamcolor)
995 {
996         entity e;
997         e = spawn();
998         e.classname = "tdm_team";
999         e.netname = teamname;
1000         e.cnt = teamcolor;
1001         e.team = e.cnt + 1;
1002 }
1003
1004 // spawn some default teams if the map is not set up for tdm
1005 void tdm_spawnteams()
1006 {
1007         float numteams;
1008
1009         numteams = autocvar_g_tdm_teams_override;
1010         if(numteams < 2)
1011                 numteams = autocvar_g_tdm_teams;
1012         numteams = bound(2, numteams, 4);
1013
1014         tdm_spawnteam("Red", NUM_TEAM_1-1);
1015         tdm_spawnteam("Blue", NUM_TEAM_2-1);
1016         if(numteams >= 3)
1017                 tdm_spawnteam("Yellow", NUM_TEAM_3-1);
1018         if(numteams >= 4)
1019                 tdm_spawnteam("Pink", NUM_TEAM_4-1);
1020 }
1021
1022 void tdm_delayedinit()
1023 {
1024         // if no teams are found, spawn defaults
1025         if (find(world, classname, "tdm_team") == world)
1026                 tdm_spawnteams();
1027 }
1028
1029 void tdm_init()
1030 {
1031         InitializeEntity(world, tdm_delayedinit, INITPRIO_GAMETYPE);
1032 }