06286e8f55c7cfc4190895d5f4220125abf18362
[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 (!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
98                 if(autocvar_g_domination_roundbased && autocvar_g_domination_roundbased_point_limit)
99                         fraglimit_override = autocvar_g_domination_roundbased_point_limit;
100
101                 have_team_spawns = -1; // request team spawns
102         }
103
104         if(g_ctf)
105         {
106                 ActivateTeamplay();
107                 fraglimit_override = autocvar_capturelimit_override;
108                 leadlimit_override = autocvar_captureleadlimit_override;
109                 MUTATOR_ADD(gamemode_ctf);
110                 have_team_spawns = -1; // request team spawns
111         }
112
113         if(g_lms)
114         {
115                 fraglimit_override = autocvar_g_lms_lives_override;
116                 leadlimit_override = 0; // not supported by LMS
117                 if(fraglimit_override == 0)
118                         fraglimit_override = -1;
119                 MUTATOR_ADD(gamemode_lms);
120         }
121
122         if(g_ca)
123         {
124                 ActivateTeamplay();
125                 fraglimit_override = autocvar_g_ca_point_limit;
126                 leadlimit_override = autocvar_g_ca_point_leadlimit;
127                 MUTATOR_ADD(gamemode_ca);
128                 if(autocvar_g_ca_team_spawns)
129                         have_team_spawns = -1; // request team spawns
130         }
131
132         if(g_keyhunt)
133         {
134                 ActivateTeamplay();
135                 fraglimit_override = autocvar_g_keyhunt_point_limit;
136                 leadlimit_override = autocvar_g_keyhunt_point_leadlimit;
137                 MUTATOR_ADD(gamemode_keyhunt);
138         }
139
140         if(g_freezetag)
141         {
142                 ActivateTeamplay();
143                 fraglimit_override = autocvar_g_freezetag_point_limit;
144                 leadlimit_override = autocvar_g_freezetag_point_leadlimit;
145                 MUTATOR_ADD(gamemode_freezetag);
146                 if(autocvar_g_freezetag_team_spawns)
147                         have_team_spawns = -1; // request team spawns
148         }
149
150         if(g_assault)
151         {
152                 ActivateTeamplay();
153                 MUTATOR_ADD(gamemode_assault);
154                 have_team_spawns = -1; // request team spawns
155         }
156
157         if(g_onslaught)
158         {
159                 ActivateTeamplay();
160                 have_team_spawns = -1; // request team spawns
161                 MUTATOR_ADD(gamemode_onslaught);
162         }
163
164         if(g_race)
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                 MUTATOR_ADD(gamemode_race);
180         }
181
182         if(g_cts)
183         {
184                 g_race_qualifying = 1;
185                 fraglimit_override = 0;
186                 leadlimit_override = 0;
187                 MUTATOR_ADD(gamemode_cts);
188         }
189
190         if(g_nexball)
191         {
192         fraglimit_override = autocvar_g_nexball_goallimit;
193         leadlimit_override = autocvar_g_nexball_goalleadlimit;
194         ActivateTeamplay();
195         have_team_spawns = -1; // request team spawns
196             MUTATOR_ADD(gamemode_nexball);
197         }
198
199         if(g_keepaway)
200         {
201                 MUTATOR_ADD(gamemode_keepaway);
202         }
203
204         if(g_invasion)
205         {
206                 fraglimit_override = autocvar_g_invasion_point_limit;
207                 if(autocvar_g_invasion_teams >= 2)
208                 {
209                         ActivateTeamplay();
210                         if(autocvar_g_invasion_team_spawns)
211                                 have_team_spawns = -1; // request team spawns
212                 }
213                 MUTATOR_ADD(gamemode_invasion);
214         }
215
216         if(teamplay)
217                 entcs_init();
218
219         cache_mutatormsg = strzone("");
220         cache_lastmutatormsg = strzone("");
221
222         // enforce the server's universal frag/time limits
223         if(!autocvar_g_campaign)
224         {
225                 if(fraglimit_override >= 0)
226                         cvar_set("fraglimit", ftos(fraglimit_override));
227                 if(timelimit_override >= 0)
228                         cvar_set("timelimit", ftos(timelimit_override));
229                 if(leadlimit_override >= 0)
230                         cvar_set("leadlimit", ftos(leadlimit_override));
231                 if(qualifying_override >= 0)
232                         cvar_set("g_race_qualifying_timelimit", ftos(qualifying_override));
233         }
234
235         if(g_race)
236         {
237                 // we need to find out the correct value for g_race_qualifying
238                 if(autocvar_g_campaign)
239                 {
240                         g_race_qualifying = 1;
241                 }
242                 else if(!autocvar_g_campaign && autocvar_g_race_qualifying_timelimit > 0)
243                 {
244                         g_race_qualifying = 2;
245                         race_fraglimit = autocvar_fraglimit;
246                         race_leadlimit = autocvar_leadlimit;
247                         race_timelimit = autocvar_timelimit;
248                         cvar_set("fraglimit", "0");
249                         cvar_set("leadlimit", "0");
250                         cvar_set("timelimit", ftos(autocvar_g_race_qualifying_timelimit));
251                 }
252                 else
253                         g_race_qualifying = 0;
254         }
255
256         if(g_race || g_cts)
257         if(g_race_qualifying)
258                 independent_players = 1;
259
260         InitializeEntity(world, default_delayedinit, INITPRIO_GAMETYPE_FALLBACK);
261 }
262
263 string GetClientVersionMessage() {
264         string versionmsg;
265         if (self.version_mismatch) {
266                 if(self.version < autocvar_gameversion) {
267                         versionmsg = "^3Your client version is outdated.\n\n\n### YOU WON'T BE ABLE TO PLAY ON THIS SERVER ###\n\n\nPlease update!!!^8";
268                 } else {
269                         versionmsg = "^3This server is using an outdated Xonotic version.\n\n\n ### THIS SERVER IS INCOMPATIBLE AND THUS YOU CANNOT JOIN ###.^8";
270                 }
271         } else {
272                 versionmsg = "^2client version and server version are compatible.^8";
273         }
274         return versionmsg;
275 }
276
277 string getwelcomemessage(void)
278 {
279         string s, modifications, motd;
280
281         ret_string = "";
282         MUTATOR_CALLHOOK(BuildMutatorsPrettyString);
283         modifications = ret_string;
284
285         if(g_weaponarena)
286         {
287                 if(g_weaponarena_random)
288                         modifications = strcat(modifications, ", ", ftos(g_weaponarena_random), " of ", g_weaponarena_list, " Arena");
289                 else
290                         modifications = strcat(modifications, ", ", g_weaponarena_list, " Arena");
291         }
292         if(autocvar_g_start_weapon_laser == 0)
293                 modifications = strcat(modifications, ", No start weapons");
294         if(cvar("sv_gravity") < stof(cvar_defstring("sv_gravity")))
295                 modifications = strcat(modifications, ", Low gravity");
296         if(g_cloaked && !g_cts)
297                 modifications = strcat(modifications, ", Cloaked");
298         if(g_grappling_hook)
299                 modifications = strcat(modifications, ", Hook");
300         if(g_weapon_stay && !g_cts)
301                 modifications = strcat(modifications, ", Weapons stay");
302         if(g_jetpack)
303                 modifications = strcat(modifications, ", Jet pack");
304         if(autocvar_g_powerups == 0)
305                 modifications = strcat(modifications, ", No powerups");
306         if(autocvar_g_powerups > 0)
307                 modifications = strcat(modifications, ", Powerups");
308         modifications = substring(modifications, 2, strlen(modifications) - 2);
309
310         string versionmessage;
311         versionmessage = GetClientVersionMessage();
312
313         s = strcat("This is Xonotic ", autocvar_g_xonoticversion, "\n", versionmessage);
314         s = strcat(s, "^8\n\nmatch type is ^1", gamemode_name, "^8\n");
315
316         if(modifications != "")
317                 s = strcat(s, "^8\nactive modifications: ^3", modifications, "^8\n");
318
319         if (g_grappling_hook)
320                 s = strcat(s, "\n\n^3grappling hook^8 is enabled, press 'e' to use it\n");
321
322         if (cvar("g_nades"))
323                 s = strcat(s, "\n\n^3nades^8 are enabled, press 'g' to use them\n");
324
325         if(cache_lastmutatormsg != autocvar_g_mutatormsg)
326         {
327                 if(cache_lastmutatormsg)
328                         strunzone(cache_lastmutatormsg);
329                 if(cache_mutatormsg)
330                         strunzone(cache_mutatormsg);
331                 cache_lastmutatormsg = strzone(autocvar_g_mutatormsg);
332                 cache_mutatormsg = strzone(cache_lastmutatormsg);
333         }
334
335         if (cache_mutatormsg != "") {
336                 s = strcat(s, "\n\n^8special gameplay tips: ^7", cache_mutatormsg);
337         }
338
339         motd = autocvar_sv_motd;
340         if (motd != "") {
341                 s = strcat(s, "\n\n^8MOTD: ^7", strreplace("\\n", "\n", motd));
342         }
343         return s;
344 }
345
346 void SetPlayerColors(entity pl, float _color)
347 {
348         /*string s;
349         s = ftos(cl);
350         stuffcmd(pl, strcat("color ", s, " ", s, "\n")  );
351         pl.team = cl + 1;
352         //pl.clientcolors = pl.clientcolors - (pl.clientcolors & 15) + cl;
353         pl.clientcolors = 16*cl + cl;*/
354
355         float pants, shirt;
356         pants = _color & 0x0F;
357         shirt = _color & 0xF0;
358
359
360         if(teamplay) {
361                 setcolor(pl, 16*pants + pants);
362         } else {
363                 setcolor(pl, shirt + pants);
364         }
365 }
366
367 void SetPlayerTeam(entity pl, float t, float s, float noprint)
368 {
369         float _color;
370
371         if(t == 4)
372                 _color = NUM_TEAM_4 - 1;
373         else if(t == 3)
374                 _color = NUM_TEAM_3 - 1;
375         else if(t == 2)
376                 _color = NUM_TEAM_2 - 1;
377         else
378                 _color = NUM_TEAM_1 - 1;
379
380         SetPlayerColors(pl,_color);
381
382         if(t != s) {
383                 LogTeamchange(pl.playerid, pl.team, 3);  // log manual team join
384
385                 if(!noprint)
386                 bprint(pl.netname, "^7 has changed from ", Team_NumberToColoredFullName(s), "^7 to ", Team_NumberToColoredFullName(t), "\n");
387         }
388
389 }
390
391 // set c1...c4 to show what teams are allowed
392 void CheckAllowedTeams (entity for_whom)
393 {
394         float dm;
395         entity head;
396         string teament_name;
397
398         c1 = c2 = c3 = c4 = -1;
399         cb1 = cb2 = cb3 = cb4 = 0;
400
401         teament_name = string_null;
402         if(g_onslaught)
403         {
404                 // onslaught is special
405                 head = findchain(classname, "onslaught_generator");
406                 while (head)
407                 {
408                         if (head.team == NUM_TEAM_1) c1 = 0;
409                         if (head.team == NUM_TEAM_2) c2 = 0;
410                         if (head.team == NUM_TEAM_3) c3 = 0;
411                         if (head.team == NUM_TEAM_4) c4 = 0;
412                         head = head.chain;
413                 }
414         }
415         else if(g_domination)
416                 teament_name = "dom_team";
417         else if(g_ctf)
418                 teament_name = "ctf_team";
419         else if(g_tdm)
420                 teament_name = "tdm_team";
421         else if(g_nexball)
422                 teament_name = "nexball_team";
423         else if(g_assault)
424                 c1 = c2 = 0; // Assault always has 2 teams
425         else
426         {
427                 // cover anything else by treating it like tdm with no teams spawned
428                 dm = 2;
429
430                 ret_float = dm;
431                 MUTATOR_CALLHOOK(GetTeamCount);
432                 dm = ret_float;
433
434                 if(dm >= 4)
435                         c1 = c2 = c3 = c4 = 0;
436                 else if(dm >= 3)
437                         c1 = c2 = c3 = 0;
438                 else
439                         c1 = c2 = 0;
440         }
441
442         // find out what teams are allowed if necessary
443         if(teament_name)
444         {
445                 head = find(world, classname, teament_name);
446                 while(head)
447                 {
448                         if(!(g_domination && head.netname == ""))
449                         {
450                                 if(head.team == NUM_TEAM_1)
451                                         c1 = 0;
452                                 else if(head.team == NUM_TEAM_2)
453                                         c2 = 0;
454                                 else if(head.team == NUM_TEAM_3)
455                                         c3 = 0;
456                                 else if(head.team == NUM_TEAM_4)
457                                         c4 = 0;
458                         }
459                         head = find(head, classname, teament_name);
460                 }
461         }
462
463         // TODO: Balance quantity of bots across > 2 teams when bot_vs_human is set (and remove next line)
464         if(c3==-1 && c4==-1)
465         if(autocvar_bot_vs_human && for_whom)
466         {
467                 if(autocvar_bot_vs_human > 0)
468                 {
469                         // bots are all blue
470                         if(IS_BOT_CLIENT(for_whom))
471                                 c1 = c3 = c4 = -1;
472                         else
473                                 c2 = -1;
474                 }
475                 else
476                 {
477                         // bots are all red
478                         if(IS_BOT_CLIENT(for_whom))
479                                 c2 = c3 = c4 = -1;
480                         else
481                                 c1 = -1;
482                 }
483         }
484
485         // if player has a forced team, ONLY allow that one
486         if(self.team_forced == NUM_TEAM_1 && c1 >= 0)
487                 c2 = c3 = c4 = -1;
488         else if(self.team_forced == NUM_TEAM_2 && c2 >= 0)
489                 c1 = c3 = c4 = -1;
490         else if(self.team_forced == NUM_TEAM_3 && c3 >= 0)
491                 c1 = c2 = c4 = -1;
492         else if(self.team_forced == NUM_TEAM_4 && c4 >= 0)
493                 c1 = c2 = c3 = -1;
494 }
495
496 float PlayerValue(entity p)
497 {
498         return 1;
499         // FIXME: it always returns 1...
500 }
501
502 // c1...c4 should be set to -1 (not allowed) or 0 (allowed).
503 // teams that are allowed will now have their player counts stored in c1...c4
504 void GetTeamCounts(entity ignore)
505 {
506         entity head;
507         float value, bvalue;
508         // now count how many players are on each team already
509
510         // FIXME: also find and memorize the lowest-scoring bot on each team (in case players must be shuffled around)
511         // also remember the lowest-scoring player
512
513         FOR_EACH_CLIENT(head)
514         {
515                 float t;
516                 if(IS_PLAYER(head))
517                         t = head.team;
518                 else if(head.team_forced > 0)
519                         t = head.team_forced; // reserve the spot
520                 else
521                         continue;
522                 if(head != ignore)// && head.netname != "")
523                 {
524                         value = PlayerValue(head);
525                         if(IS_BOT_CLIENT(head))
526                                 bvalue = value;
527                         else
528                                 bvalue = 0;
529                         if(t == NUM_TEAM_1)
530                         {
531                                 if(c1 >= 0)
532                                 {
533                                         c1 = c1 + value;
534                                         cb1 = cb1 + bvalue;
535                                 }
536                         }
537                         if(t == NUM_TEAM_2)
538                         {
539                                 if(c2 >= 0)
540                                 {
541                                         c2 = c2 + value;
542                                         cb2 = cb2 + bvalue;
543                                 }
544                         }
545                         if(t == NUM_TEAM_3)
546                         {
547                                 if(c3 >= 0)
548                                 {
549                                         c3 = c3 + value;
550                                         cb3 = cb3 + bvalue;
551                                 }
552                         }
553                         if(t == NUM_TEAM_4)
554                         {
555                                 if(c4 >= 0)
556                                 {
557                                         c4 = c4 + value;
558                                         cb4 = cb4 + bvalue;
559                                 }
560                         }
561                 }
562         }
563
564         // if the player who has a forced team has not joined yet, reserve the spot
565         if(autocvar_g_campaign)
566         {
567                 switch(autocvar_g_campaign_forceteam)
568                 {
569                         case 1: if(c1 == cb1) ++c1; break;
570                         case 2: if(c2 == cb2) ++c2; break;
571                         case 3: if(c3 == cb3) ++c3; break;
572                         case 4: if(c4 == cb4) ++c4; break;
573                 }
574         }
575 }
576
577 float TeamSmallerEqThanTeam(float ta, float tb, entity e)
578 {
579         // we assume that CheckAllowedTeams and GetTeamCounts have already been called
580         float f;
581         float ca = -1, cb = -1, cba = 0, cbb = 0, sa = 0, sb = 0;
582
583         switch(ta)
584         {
585                 case 1: ca = c1; cba = cb1; sa = team1_score; break;
586                 case 2: ca = c2; cba = cb2; sa = team2_score; break;
587                 case 3: ca = c3; cba = cb3; sa = team3_score; break;
588                 case 4: ca = c4; cba = cb4; sa = team4_score; break;
589         }
590         switch(tb)
591         {
592                 case 1: cb = c1; cbb = cb1; sb = team1_score; break;
593                 case 2: cb = c2; cbb = cb2; sb = team2_score; break;
594                 case 3: cb = c3; cbb = cb3; sb = team3_score; break;
595                 case 4: cb = c4; cbb = cb4; sb = team4_score; break;
596         }
597
598         // invalid
599         if(ca < 0 || cb < 0)
600                 return FALSE;
601
602         // equal
603         if(ta == tb)
604                 return TRUE;
605
606         if(IS_REAL_CLIENT(e))
607         {
608                 if(bots_would_leave)
609                 {
610                         ca -= cba * 0.999;
611                         cb -= cbb * 0.999;
612                 }
613         }
614
615         // keep teams alive (teams of size 0 always count as smaller, ignoring score)
616         if(ca < 1)
617                 if(cb >= 1)
618                         return TRUE;
619         if(ca >= 1)
620                 if(cb < 1)
621                         return FALSE;
622
623         // first, normalize
624         f = max(ca, cb, 1);
625         ca /= f;
626         cb /= f;
627         f = max(sa, sb, 1);
628         sa /= f;
629         sb /= f;
630
631         // the more we're at the end of the match, the more take scores into account
632         f = bound(0, game_completion_ratio * autocvar_g_balance_teams_scorefactor, 1);
633         ca += (sa - ca) * f;
634         cb += (sb - cb) * f;
635
636         return ca <= cb;
637 }
638
639 // returns # of smallest team (1, 2, 3, 4)
640 // NOTE: Assumes CheckAllowedTeams has already been called!
641 float FindSmallestTeam(entity pl, float ignore_pl)
642 {
643         float totalteams, t;
644         totalteams = 0;
645
646         // find out what teams are available
647         //CheckAllowedTeams();
648
649         // make sure there are at least 2 teams to join
650         if(c1 >= 0)
651                 totalteams = totalteams + 1;
652         if(c2 >= 0)
653                 totalteams = totalteams + 1;
654         if(c3 >= 0)
655                 totalteams = totalteams + 1;
656         if(c4 >= 0)
657                 totalteams = totalteams + 1;
658
659         if((autocvar_bot_vs_human || pl.team_forced > 0) && totalteams == 1)
660                 totalteams += 1;
661
662         if(totalteams <= 1)
663         {
664                 if(autocvar_g_campaign && pl && IS_REAL_CLIENT(pl))
665                         return 1; // special case for campaign and player joining
666                 else if(g_domination)
667                         error("Too few teams available for domination\n");
668                 else if(g_ctf)
669                         error("Too few teams available for ctf\n");
670                 else if(g_keyhunt)
671                         error("Too few teams available for key hunt\n");
672                 else if(g_freezetag)
673                         error("Too few teams available for freeze tag\n");
674                 else
675                         error("Too few teams available for team deathmatch\n");
676         }
677
678         // count how many players are in each team
679         if(ignore_pl)
680                 GetTeamCounts(pl);
681         else
682                 GetTeamCounts(world);
683
684         RandomSelection_Init();
685
686         t = 1;
687         if(TeamSmallerEqThanTeam(2, t, pl))
688                 t = 2;
689         if(TeamSmallerEqThanTeam(3, t, pl))
690                 t = 3;
691         if(TeamSmallerEqThanTeam(4, t, pl))
692                 t = 4;
693
694         // now t is the minimum, or A minimum!
695         if(t == 1 || TeamSmallerEqThanTeam(1, t, pl))
696                 RandomSelection_Add(world, 1, string_null, 1, 1);
697         if(t == 2 || TeamSmallerEqThanTeam(2, t, pl))
698                 RandomSelection_Add(world, 2, string_null, 1, 1);
699         if(t == 3 || TeamSmallerEqThanTeam(3, t, pl))
700                 RandomSelection_Add(world, 3, string_null, 1, 1);
701         if(t == 4 || TeamSmallerEqThanTeam(4, t, pl))
702                 RandomSelection_Add(world, 4, string_null, 1, 1);
703
704         return RandomSelection_chosen_float;
705 }
706
707 float JoinBestTeam(entity pl, float only_return_best, float forcebestteam)
708 {
709         float smallest, selectedteam;
710
711         // don't join a team if we're not playing a team game
712         if(!teamplay)
713                 return 0;
714
715         // find out what teams are available
716         CheckAllowedTeams(pl);
717
718         // if we don't care what team he ends up on, put him on whatever team he entered as.
719         // if he's not on a valid team, then let other code put him on the smallest team
720         if(!forcebestteam)
721         {
722                 if(     c1 >= 0 && pl.team == NUM_TEAM_1)
723                         selectedteam = pl.team;
724                 else if(c2 >= 0 && pl.team == NUM_TEAM_2)
725                         selectedteam = pl.team;
726                 else if(c3 >= 0 && pl.team == NUM_TEAM_3)
727                         selectedteam = pl.team;
728                 else if(c4 >= 0 && pl.team == NUM_TEAM_4)
729                         selectedteam = pl.team;
730                 else
731                         selectedteam = -1;
732
733                 if(selectedteam > 0)
734                 {
735                         if(!only_return_best)
736                         {
737                                 SetPlayerColors(pl, selectedteam - 1);
738
739                                 // when JoinBestTeam is called by client.qc/ClientKill_Now_TeamChange the players team is -1 and thus skipped
740                                 // when JoinBestTeam is called by cl_client.qc/ClientConnect the player_id is 0 the log attempt is rejected
741                                 LogTeamchange(pl.playerid, pl.team, 99);
742                         }
743                         return selectedteam;
744                 }
745                 // otherwise end up on the smallest team (handled below)
746         }
747
748         smallest = FindSmallestTeam(pl, TRUE);
749
750         if(!only_return_best && !pl.bot_forced_team)
751         {
752                 TeamchangeFrags(self);
753                 if(smallest == 1)
754                 {
755                         SetPlayerColors(pl, NUM_TEAM_1 - 1);
756                 }
757                 else if(smallest == 2)
758                 {
759                         SetPlayerColors(pl, NUM_TEAM_2 - 1);
760                 }
761                 else if(smallest == 3)
762                 {
763                         SetPlayerColors(pl, NUM_TEAM_3 - 1);
764                 }
765                 else if(smallest == 4)
766                 {
767                         SetPlayerColors(pl, NUM_TEAM_4 - 1);
768                 }
769                 else
770                 {
771                         error("smallest team: invalid team\n");
772                 }
773
774                 LogTeamchange(pl.playerid, pl.team, 2); // log auto join
775
776                 if(pl.deadflag == DEAD_NO)
777                         Damage(pl, pl, pl, 100000, DEATH_TEAMCHANGE, pl.origin, '0 0 0');
778         }
779
780         return smallest;
781 }
782
783 //void() ctf_playerchanged;
784 void SV_ChangeTeam(float _color)
785 {
786         float scolor, dcolor, steam, dteam; //, dbotcount, scount, dcount;
787
788         // in normal deathmatch we can just apply the color and we're done
789         if(!teamplay) {
790                 SetPlayerColors(self, _color);
791                 return;
792         }
793
794         scolor = self.clientcolors & 0x0F;
795         dcolor = _color & 0x0F;
796
797         if(scolor == NUM_TEAM_1 - 1)
798                 steam = 1;
799         else if(scolor == NUM_TEAM_2 - 1)
800                 steam = 2;
801         else if(scolor == NUM_TEAM_3 - 1)
802                 steam = 3;
803         else // if(scolor == NUM_TEAM_4 - 1)
804                 steam = 4;
805         if(dcolor == NUM_TEAM_1 - 1)
806                 dteam = 1;
807         else if(dcolor == NUM_TEAM_2 - 1)
808                 dteam = 2;
809         else if(dcolor == NUM_TEAM_3 - 1)
810                 dteam = 3;
811         else // if(dcolor == NUM_TEAM_4 - 1)
812                 dteam = 4;
813
814         CheckAllowedTeams(self);
815
816         if(dteam == 1 && c1 < 0) dteam = 4;
817         if(dteam == 4 && c4 < 0) dteam = 3;
818         if(dteam == 3 && c3 < 0) dteam = 2;
819         if(dteam == 2 && c2 < 0) dteam = 1;
820
821         // not changing teams
822         if(scolor == dcolor)
823         {
824                 //bprint("same team change\n");
825                 SetPlayerTeam(self, dteam, steam, TRUE);
826                 return;
827         }
828
829         if((autocvar_g_campaign) || (autocvar_g_changeteam_banned && self.wasplayer)) {
830                 sprint(self, "Team changes not allowed\n");
831                 return; // changing teams is not allowed
832         }
833
834         // autocvar_g_balance_teams_prevent_imbalance only makes sense if autocvar_g_balance_teams is on, as it makes the team selection dialog pointless
835         if(autocvar_g_balance_teams && autocvar_g_balance_teams_prevent_imbalance)
836         {
837                 GetTeamCounts(self);
838                 if(!TeamSmallerEqThanTeam(dteam, steam, self))
839                 {
840                         sprint(self, "Cannot change to a larger/better/shinier team\n");
841                         return;
842                 }
843         }
844
845 //      bprint("allow change teams from ", ftos(steam), " to ", ftos(dteam), "\n");
846
847         if(IS_PLAYER(self) && steam != dteam)
848         {
849                 // reduce frags during a team change
850                 TeamchangeFrags(self);
851         }
852
853         SetPlayerTeam(self, dteam, steam, FALSE);
854
855         if(IS_PLAYER(self) && steam != dteam)
856         {
857                 // kill player when changing teams
858                 if(self.deadflag == DEAD_NO)
859                         Damage(self, self, self, 100000, DEATH_TEAMCHANGE, self.origin, '0 0 0');
860         }
861 }
862
863 void ShufflePlayerOutOfTeam (float source_team)
864 {
865         float smallestteam, smallestteam_count, steam;
866         float lowest_bot_score, lowest_player_score;
867         entity head, lowest_bot, lowest_player, selected;
868
869         smallestteam = 0;
870         smallestteam_count = 999999999;
871
872         if(c1 >= 0 && c1 < smallestteam_count)
873         {
874                 smallestteam = 1;
875                 smallestteam_count = c1;
876         }
877         if(c2 >= 0 && c2 < smallestteam_count)
878         {
879                 smallestteam = 2;
880                 smallestteam_count = c2;
881         }
882         if(c3 >= 0 && c3 < smallestteam_count)
883         {
884                 smallestteam = 3;
885                 smallestteam_count = c3;
886         }
887         if(c4 >= 0 && c4 < smallestteam_count)
888         {
889                 smallestteam = 4;
890                 smallestteam_count = c4;
891         }
892
893         if(!smallestteam)
894         {
895                 bprint("warning: no smallest team\n");
896                 return;
897         }
898
899         if(source_team == 1)
900                 steam = NUM_TEAM_1;
901         else if(source_team == 2)
902                 steam = NUM_TEAM_2;
903         else if(source_team == 3)
904                 steam = NUM_TEAM_3;
905         else // if(source_team == 4)
906                 steam = NUM_TEAM_4;
907
908         lowest_bot = world;
909         lowest_bot_score = 999999999;
910         lowest_player = world;
911         lowest_player_score = 999999999;
912
913         // find the lowest-scoring player & bot of that team
914         FOR_EACH_PLAYER(head)
915         {
916                 if(head.team == steam)
917                 {
918                         if(head.isbot)
919                         {
920                                 if(head.totalfrags < lowest_bot_score)
921                                 {
922                                         lowest_bot = head;
923                                         lowest_bot_score = head.totalfrags;
924                                 }
925                         }
926                         else
927                         {
928                                 if(head.totalfrags < lowest_player_score)
929                                 {
930                                         lowest_player = head;
931                                         lowest_player_score = head.totalfrags;
932                                 }
933                         }
934                 }
935         }
936
937         // prefers to move a bot...
938         if(lowest_bot != world)
939                 selected = lowest_bot;
940         // but it will move a player if it has to
941         else
942                 selected = lowest_player;
943         // don't do anything if it couldn't find anyone
944         if(!selected)
945         {
946                 bprint("warning: couldn't find a player to move from team\n");
947                 return;
948         }
949
950         // smallest team gains a member
951         if(smallestteam == 1)
952         {
953                 c1 = c1 + 1;
954         }
955         else if(smallestteam == 2)
956         {
957                 c2 = c2 + 1;
958         }
959         else if(smallestteam == 3)
960         {
961                 c3 = c3 + 1;
962         }
963         else if(smallestteam == 4)
964         {
965                 c4 = c4 + 1;
966         }
967         else
968         {
969                 bprint("warning: destination team invalid\n");
970                 return;
971         }
972         // source team loses a member
973         if(source_team == 1)
974         {
975                 c1 = c1 + 1;
976         }
977         else if(source_team == 2)
978         {
979                 c2 = c2 + 2;
980         }
981         else if(source_team == 3)
982         {
983                 c3 = c3 + 3;
984         }
985         else if(source_team == 4)
986         {
987                 c4 = c4 + 4;
988         }
989         else
990         {
991                 bprint("warning: source team invalid\n");
992                 return;
993         }
994
995         // move the player to the new team
996         TeamchangeFrags(selected);
997         SetPlayerTeam(selected, smallestteam, source_team, FALSE);
998
999         if(selected.deadflag == DEAD_NO)
1000                 Damage(selected, selected, selected, 100000, DEATH_AUTOTEAMCHANGE, selected.origin, '0 0 0');
1001         centerprint(selected, strcat("You have been moved into a different team to improve team balance\nYou are now on: ", Team_ColoredFullName(selected.team)));
1002 }
1003
1004 // code from here on is just to support maps that don't have team entities
1005 void tdm_spawnteam (string teamname, float teamcolor)
1006 {
1007         entity e;
1008         e = spawn();
1009         e.classname = "tdm_team";
1010         e.netname = teamname;
1011         e.cnt = teamcolor;
1012         e.team = e.cnt + 1;
1013 }
1014
1015 // spawn some default teams if the map is not set up for tdm
1016 void tdm_spawnteams()
1017 {
1018         float numteams;
1019
1020         numteams = autocvar_g_tdm_teams_override;
1021         if(numteams < 2)
1022                 numteams = autocvar_g_tdm_teams;
1023         numteams = bound(2, numteams, 4);
1024
1025         tdm_spawnteam("Red", NUM_TEAM_1-1);
1026         tdm_spawnteam("Blue", NUM_TEAM_2-1);
1027         if(numteams >= 3)
1028                 tdm_spawnteam("Yellow", NUM_TEAM_3-1);
1029         if(numteams >= 4)
1030                 tdm_spawnteam("Pink", NUM_TEAM_4-1);
1031 }
1032
1033 void tdm_delayedinit()
1034 {
1035         // if no teams are found, spawn defaults
1036         if (find(world, classname, "tdm_team") == world)
1037                 tdm_spawnteams();
1038 }
1039
1040 void tdm_init()
1041 {
1042         InitializeEntity(world, tdm_delayedinit, INITPRIO_GAMETYPE);
1043 }