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