qcsrc/server/teamplay.qc

   1 #include "teamplay.qh"
   2
   3 #include "cl_client.qh"
   4 #include "race.qh"
   5 #include "scores.qh"
   6 #include "scores_rules.qh"
   7
   8 #include "bot/bot.qh"
   9
  10 #include "command/vote.qh"
  11
  12 #include "mutators/all.qh"
  13
  14 #include "../common/deathtypes/all.qh"
  15 #include "../common/gamemodes/all.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(entity this)
  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         VoteReset();
  50
  51         // find out good world mins/maxs bounds, either the static bounds found by looking for solid, or the mapinfo specified bounds
  52         get_mi_min_max(1);
  53         world.mins = mi_min;
  54         world.maxs = mi_max;
  55
  56         MapInfo_LoadMapSettings(mapname);
  57         serverflags &= ~SERVERFLAG_TEAMPLAY;
  58         teamplay = 0;
  59         cvar_set("teamplay", "0");  // DP needs this for sending proper getstatus replies.
  60
  61         if (!cvar_value_issafe(world.fog))
  62         {
  63                 LOG_INFO("The current map contains a potentially harmful fog setting, ignored\n");
  64                 world.fog = string_null;
  65         }
  66         if(MapInfo_Map_fog != "")
  67                 if(MapInfo_Map_fog == "none")
  68                         world.fog = string_null;
  69                 else
  70                         world.fog = strzone(MapInfo_Map_fog);
  71         clientstuff = strzone(MapInfo_Map_clientstuff);
  72
  73         MapInfo_ClearTemps();
  74
  75         gamemode_name = MapInfo_Type_ToText(MapInfo_LoadedGametype);
  76
  77         cache_mutatormsg = strzone("");
  78         cache_lastmutatormsg = strzone("");
  79
  80         InitializeEntity(world, default_delayedinit, INITPRIO_GAMETYPE_FALLBACK);
  81 }
  82
  83 string GetClientVersionMessage()
  84 {SELFPARAM();
  85         string versionmsg;
  86         if (self.version_mismatch) {
  87                 if(self.version < autocvar_gameversion) {
  88                         versionmsg = "^3Your client version is outdated.\n\n\n### YOU WON'T BE ABLE TO PLAY ON THIS SERVER ###\n\n\nPlease update!!!^8";
  89                 } else {
  90                         versionmsg = "^3This server is using an outdated Xonotic version.\n\n\n ### THIS SERVER IS INCOMPATIBLE AND THUS YOU CANNOT JOIN ###.^8";
  91                 }
  92         } else {
  93                 versionmsg = "^2client version and server version are compatible.^8";
  94         }
  95         return versionmsg;
  96 }
  97
  98 string getwelcomemessage()
  99 {
 100         string s, modifications, motd;
 101
 102         MUTATOR_CALLHOOK(BuildMutatorsPrettyString, "");
 103         modifications = ret_string;
 104
 105         if(g_weaponarena)
 106         {
 107                 if(g_weaponarena_random)
 108                         modifications = strcat(modifications, ", ", ftos(g_weaponarena_random), " of ", g_weaponarena_list, " Arena");
 109                 else
 110                         modifications = strcat(modifications, ", ", g_weaponarena_list, " Arena");
 111         }
 112         else if(cvar("g_balance_blaster_weaponstart") == 0)
 113                 modifications = strcat(modifications, ", No start weapons");
 114         if(cvar("sv_gravity") < stof(cvar_defstring("sv_gravity")))
 115                 modifications = strcat(modifications, ", Low gravity");
 116         if(g_weapon_stay && !g_cts)
 117                 modifications = strcat(modifications, ", Weapons stay");
 118         if(g_jetpack)
 119                 modifications = strcat(modifications, ", Jet pack");
 120         if(autocvar_g_powerups == 0)
 121                 modifications = strcat(modifications, ", No powerups");
 122         if(autocvar_g_powerups > 0)
 123                 modifications = strcat(modifications, ", Powerups");
 124         modifications = substring(modifications, 2, strlen(modifications) - 2);
 125
 126         string versionmessage;
 127         versionmessage = GetClientVersionMessage();
 128
 129         s = strcat("This is Xonotic ", autocvar_g_xonoticversion, "\n", versionmessage);
 130         s = strcat(s, "^8\n\nmatch type is ^1", gamemode_name, "^8\n");
 131
 132         if(modifications != "")
 133                 s = strcat(s, "^8\nactive modifications: ^3", modifications, "^8\n");
 134
 135         if(cache_lastmutatormsg != autocvar_g_mutatormsg)
 136         {
 137                 if(cache_lastmutatormsg)
 138                         strunzone(cache_lastmutatormsg);
 139                 if(cache_mutatormsg)
 140                         strunzone(cache_mutatormsg);
 141                 cache_lastmutatormsg = strzone(autocvar_g_mutatormsg);
 142                 cache_mutatormsg = strzone(cache_lastmutatormsg);
 143         }
 144
 145         if (cache_mutatormsg != "") {
 146                 s = strcat(s, "\n\n^8special gameplay tips: ^7", cache_mutatormsg);
 147         }
 148
 149         string mutator_msg = "";
 150         MUTATOR_CALLHOOK(BuildGameplayTipsString, mutator_msg);
 151         mutator_msg = ret_string;
 152
 153         s = strcat(s, mutator_msg); // trust that the mutator will do proper formatting
 154
 155         motd = autocvar_sv_motd;
 156         if (motd != "") {
 157                 s = strcat(s, "\n\n^8MOTD: ^7", strreplace("\\n", "\n", motd));
 158         }
 159         return s;
 160 }
 161
 162 void SetPlayerColors(entity pl, float _color)
 163 {
 164         /*string s;
 165         s = ftos(cl);
 166         stuffcmd(pl, strcat("color ", s, " ", s, "\n")  );
 167         pl.team = cl + 1;
 168         //pl.clientcolors = pl.clientcolors - (pl.clientcolors & 15) + cl;
 169         pl.clientcolors = 16*cl + cl;*/
 170
 171         float pants, shirt;
 172         pants = _color & 0x0F;
 173         shirt = _color & 0xF0;
 174
 175
 176         if(teamplay) {
 177                 setcolor(pl, 16*pants + pants);
 178         } else {
 179                 setcolor(pl, shirt + pants);
 180         }
 181 }
 182
 183 void SetPlayerTeam(entity pl, float t, float s, float noprint)
 184 {
 185         float _color;
 186
 187         if(t == 4)
 188                 _color = NUM_TEAM_4 - 1;
 189         else if(t == 3)
 190                 _color = NUM_TEAM_3 - 1;
 191         else if(t == 2)
 192                 _color = NUM_TEAM_2 - 1;
 193         else
 194                 _color = NUM_TEAM_1 - 1;
 195
 196         SetPlayerColors(pl,_color);
 197
 198         if(t != s) {
 199                 LogTeamchange(pl.playerid, pl.team, 3);  // log manual team join
 200
 201                 if(!noprint)
 202                 bprint(pl.netname, "^7 has changed from ", Team_NumberToColoredFullName(s), "^7 to ", Team_NumberToColoredFullName(t), "\n");
 203         }
 204
 205 }
 206
 207 // set c1...c4 to show what teams are allowed
 208 void CheckAllowedTeams (entity for_whom)
 209 {SELFPARAM();
 210         int dm = 0;
 211
 212         c1 = c2 = c3 = c4 = -1;
 213         cb1 = cb2 = cb3 = cb4 = 0;
 214
 215         string teament_name = string_null;
 216
 217         bool mutator_returnvalue = MUTATOR_CALLHOOK(GetTeamCount, dm, teament_name);
 218         teament_name = ret_string;
 219         dm = ret_float;
 220
 221         if(!mutator_returnvalue)
 222         {
 223                 if(dm >= 4)
 224                         c1 = c2 = c3 = c4 = 0;
 225                 else if(dm >= 3)
 226                         c1 = c2 = c3 = 0;
 227                 else
 228                         c1 = c2 = 0;
 229         }
 230
 231         // find out what teams are allowed if necessary
 232         if(teament_name)
 233         {
 234                 entity head = find(world, classname, teament_name);
 235                 while(head)
 236                 {
 237                         switch(head.team)
 238                         {
 239                                 case NUM_TEAM_1: c1 = 0; break;
 240                                 case NUM_TEAM_2: c2 = 0; break;
 241                                 case NUM_TEAM_3: c3 = 0; break;
 242                                 case NUM_TEAM_4: c4 = 0; break;
 243                         }
 244
 245                         head = find(head, classname, teament_name);
 246                 }
 247         }
 248
 249         // TODO: Balance quantity of bots across > 2 teams when bot_vs_human is set (and remove next line)
 250         if(c3==-1 && c4==-1)
 251         if(autocvar_bot_vs_human && for_whom)
 252         {
 253                 if(autocvar_bot_vs_human > 0)
 254                 {
 255                         // bots are all blue
 256                         if(IS_BOT_CLIENT(for_whom))
 257                                 c1 = c3 = c4 = -1;
 258                         else
 259                                 c2 = -1;
 260                 }
 261                 else
 262                 {
 263                         // bots are all red
 264                         if(IS_BOT_CLIENT(for_whom))
 265                                 c2 = c3 = c4 = -1;
 266                         else
 267                                 c1 = -1;
 268                 }
 269         }
 270
 271         // if player has a forced team, ONLY allow that one
 272         if(self.team_forced == NUM_TEAM_1 && c1 >= 0)
 273                 c2 = c3 = c4 = -1;
 274         else if(self.team_forced == NUM_TEAM_2 && c2 >= 0)
 275                 c1 = c3 = c4 = -1;
 276         else if(self.team_forced == NUM_TEAM_3 && c3 >= 0)
 277                 c1 = c2 = c4 = -1;
 278         else if(self.team_forced == NUM_TEAM_4 && c4 >= 0)
 279                 c1 = c2 = c3 = -1;
 280 }
 281
 282 float PlayerValue(entity p)
 283 {
 284         return 1;
 285         // FIXME: it always returns 1...
 286 }
 287
 288 // c1...c4 should be set to -1 (not allowed) or 0 (allowed).
 289 // teams that are allowed will now have their player counts stored in c1...c4
 290 void GetTeamCounts(entity ignore)
 291 {
 292         float value, bvalue;
 293         // now count how many players are on each team already
 294
 295         // FIXME: also find and memorize the lowest-scoring bot on each team (in case players must be shuffled around)
 296         // also remember the lowest-scoring player
 297
 298         FOREACH_CLIENT(true, LAMBDA(
 299                 float t;
 300                 if(IS_PLAYER(it) || it.caplayer)
 301                         t = it.team;
 302                 else if(it.team_forced > 0)
 303                         t = it.team_forced; // reserve the spot
 304                 else
 305                         continue;
 306                 if(it != ignore)// && it.netname != "")
 307                 {
 308                         value = PlayerValue(it);
 309                         if(IS_BOT_CLIENT(it))
 310                                 bvalue = value;
 311                         else
 312                                 bvalue = 0;
 313                         if(t == NUM_TEAM_1)
 314                         {
 315                                 if(c1 >= 0)
 316                                 {
 317                                         c1 = c1 + value;
 318                                         cb1 = cb1 + bvalue;
 319                                 }
 320                         }
 321                         if(t == NUM_TEAM_2)
 322                         {
 323                                 if(c2 >= 0)
 324                                 {
 325                                         c2 = c2 + value;
 326                                         cb2 = cb2 + bvalue;
 327                                 }
 328                         }
 329                         if(t == NUM_TEAM_3)
 330                         {
 331                                 if(c3 >= 0)
 332                                 {
 333                                         c3 = c3 + value;
 334                                         cb3 = cb3 + bvalue;
 335                                 }
 336                         }
 337                         if(t == NUM_TEAM_4)
 338                         {
 339                                 if(c4 >= 0)
 340                                 {
 341                                         c4 = c4 + value;
 342                                         cb4 = cb4 + bvalue;
 343                                 }
 344                         }
 345                 }
 346         ));
 347
 348         // if the player who has a forced team has not joined yet, reserve the spot
 349         if(autocvar_g_campaign)
 350         {
 351                 switch(autocvar_g_campaign_forceteam)
 352                 {
 353                         case 1: if(c1 == cb1) ++c1; break;
 354                         case 2: if(c2 == cb2) ++c2; break;
 355                         case 3: if(c3 == cb3) ++c3; break;
 356                         case 4: if(c4 == cb4) ++c4; break;
 357                 }
 358         }
 359 }
 360
 361 float TeamSmallerEqThanTeam(float ta, float tb, entity e)
 362 {
 363         // we assume that CheckAllowedTeams and GetTeamCounts have already been called
 364         float f;
 365         float ca = -1, cb = -1, cba = 0, cbb = 0, sa = 0, sb = 0;
 366
 367         switch(ta)
 368         {
 369                 case 1: ca = c1; cba = cb1; sa = team1_score; break;
 370                 case 2: ca = c2; cba = cb2; sa = team2_score; break;
 371                 case 3: ca = c3; cba = cb3; sa = team3_score; break;
 372                 case 4: ca = c4; cba = cb4; sa = team4_score; break;
 373         }
 374         switch(tb)
 375         {
 376                 case 1: cb = c1; cbb = cb1; sb = team1_score; break;
 377                 case 2: cb = c2; cbb = cb2; sb = team2_score; break;
 378                 case 3: cb = c3; cbb = cb3; sb = team3_score; break;
 379                 case 4: cb = c4; cbb = cb4; sb = team4_score; break;
 380         }
 381
 382         // invalid
 383         if(ca < 0 || cb < 0)
 384                 return false;
 385
 386         // equal
 387         if(ta == tb)
 388                 return true;
 389
 390         if(IS_REAL_CLIENT(e))
 391         {
 392                 if(bots_would_leave)
 393                 {
 394                         ca -= cba * 0.999;
 395                         cb -= cbb * 0.999;
 396                 }
 397         }
 398
 399         // keep teams alive (teams of size 0 always count as smaller, ignoring score)
 400         if(ca < 1)
 401                 if(cb >= 1)
 402                         return true;
 403         if(ca >= 1)
 404                 if(cb < 1)
 405                         return false;
 406
 407         // first, normalize
 408         f = max(ca, cb, 1);
 409         ca /= f;
 410         cb /= f;
 411         f = max(sa, sb, 1);
 412         sa /= f;
 413         sb /= f;
 414
 415         // the more we're at the end of the match, the more take scores into account
 416         f = bound(0, game_completion_ratio * autocvar_g_balance_teams_scorefactor, 1);
 417         ca += (sa - ca) * f;
 418         cb += (sb - cb) * f;
 419
 420         return ca <= cb;
 421 }
 422
 423 // returns # of smallest team (1, 2, 3, 4)
 424 // NOTE: Assumes CheckAllowedTeams has already been called!
 425 float FindSmallestTeam(entity pl, float ignore_pl)
 426 {
 427         float totalteams, t;
 428         totalteams = 0;
 429
 430         // find out what teams are available
 431         //CheckAllowedTeams();
 432
 433         // make sure there are at least 2 teams to join
 434         if(c1 >= 0)
 435                 totalteams = totalteams + 1;
 436         if(c2 >= 0)
 437                 totalteams = totalteams + 1;
 438         if(c3 >= 0)
 439                 totalteams = totalteams + 1;
 440         if(c4 >= 0)
 441                 totalteams = totalteams + 1;
 442
 443         if((autocvar_bot_vs_human || pl.team_forced > 0) && totalteams == 1)
 444                 totalteams += 1;
 445
 446         if(totalteams <= 1)
 447         {
 448                 if(autocvar_g_campaign && pl && IS_REAL_CLIENT(pl))
 449                         return 1; // special case for campaign and player joining
 450                 else
 451                         error(sprintf("Too few teams available for %s\n", MapInfo_Type_ToString(MapInfo_CurrentGametype())));
 452         }
 453
 454         // count how many players are in each team
 455         if(ignore_pl)
 456                 GetTeamCounts(pl);
 457         else
 458                 GetTeamCounts(world);
 459
 460         RandomSelection_Init();
 461
 462         t = 1;
 463         if(TeamSmallerEqThanTeam(2, t, pl))
 464                 t = 2;
 465         if(TeamSmallerEqThanTeam(3, t, pl))
 466                 t = 3;
 467         if(TeamSmallerEqThanTeam(4, t, pl))
 468                 t = 4;
 469
 470         // now t is the minimum, or A minimum!
 471         if(t == 1 || TeamSmallerEqThanTeam(1, t, pl))
 472                 RandomSelection_Add(world, 1, string_null, 1, 1);
 473         if(t == 2 || TeamSmallerEqThanTeam(2, t, pl))
 474                 RandomSelection_Add(world, 2, string_null, 1, 1);
 475         if(t == 3 || TeamSmallerEqThanTeam(3, t, pl))
 476                 RandomSelection_Add(world, 3, string_null, 1, 1);
 477         if(t == 4 || TeamSmallerEqThanTeam(4, t, pl))
 478                 RandomSelection_Add(world, 4, string_null, 1, 1);
 479
 480         return RandomSelection_chosen_float;
 481 }
 482
 483 int JoinBestTeam(entity pl, bool only_return_best, bool forcebestteam)
 484 {SELFPARAM();
 485         float smallest, selectedteam;
 486
 487         // don't join a team if we're not playing a team game
 488         if(!teamplay)
 489                 return 0;
 490
 491         // find out what teams are available
 492         CheckAllowedTeams(pl);
 493
 494         // if we don't care what team he ends up on, put him on whatever team he entered as.
 495         // if he's not on a valid team, then let other code put him on the smallest team
 496         if(!forcebestteam)
 497         {
 498                 if(     c1 >= 0 && pl.team == NUM_TEAM_1)
 499                         selectedteam = pl.team;
 500                 else if(c2 >= 0 && pl.team == NUM_TEAM_2)
 501                         selectedteam = pl.team;
 502                 else if(c3 >= 0 && pl.team == NUM_TEAM_3)
 503                         selectedteam = pl.team;
 504                 else if(c4 >= 0 && pl.team == NUM_TEAM_4)
 505                         selectedteam = pl.team;
 506                 else
 507                         selectedteam = -1;
 508
 509                 if(selectedteam > 0)
 510                 {
 511                         if(!only_return_best)
 512                         {
 513                                 SetPlayerColors(pl, selectedteam - 1);
 514
 515                                 // when JoinBestTeam is called by client.qc/ClientKill_Now_TeamChange the players team is -1 and thus skipped
 516                                 // when JoinBestTeam is called by cl_client.qc/ClientConnect the player_id is 0 the log attempt is rejected
 517                                 LogTeamchange(pl.playerid, pl.team, 99);
 518                         }
 519                         return selectedteam;
 520                 }
 521                 // otherwise end up on the smallest team (handled below)
 522         }
 523
 524         smallest = FindSmallestTeam(pl, true);
 525
 526         if(!only_return_best && !pl.bot_forced_team)
 527         {
 528                 TeamchangeFrags(self);
 529                 if(smallest == 1)
 530                 {
 531                         SetPlayerColors(pl, NUM_TEAM_1 - 1);
 532                 }
 533                 else if(smallest == 2)
 534                 {
 535                         SetPlayerColors(pl, NUM_TEAM_2 - 1);
 536                 }
 537                 else if(smallest == 3)
 538                 {
 539                         SetPlayerColors(pl, NUM_TEAM_3 - 1);
 540                 }
 541                 else if(smallest == 4)
 542                 {
 543                         SetPlayerColors(pl, NUM_TEAM_4 - 1);
 544                 }
 545                 else
 546                 {
 547                         error("smallest team: invalid team\n");
 548                 }
 549
 550                 LogTeamchange(pl.playerid, pl.team, 2); // log auto join
 551
 552                 if(!IS_DEAD(pl))
 553                         Damage(pl, pl, pl, 100000, DEATH_TEAMCHANGE.m_id, pl.origin, '0 0 0');
 554         }
 555
 556         return smallest;
 557 }
 558
 559 //void() ctf_playerchanged;
 560 void SV_ChangeTeam(float _color)
 561 {SELFPARAM();
 562         float scolor, dcolor, steam, dteam; //, dbotcount, scount, dcount;
 563
 564         // in normal deathmatch we can just apply the color and we're done
 565         if(!teamplay)
 566                 SetPlayerColors(self, _color);
 567
 568         if(!IS_CLIENT(self))
 569         {
 570                 // since this is an engine function, and gamecode doesn't have any calls earlier than this, do the connecting message here
 571                 Send_Notification(NOTIF_ALL, world, MSG_INFO, INFO_CONNECTING, self.netname);
 572                 return;
 573         }
 574
 575         if(!teamplay)
 576                 return;
 577
 578         scolor = self.clientcolors & 0x0F;
 579         dcolor = _color & 0x0F;
 580
 581         if(scolor == NUM_TEAM_1 - 1)
 582                 steam = 1;
 583         else if(scolor == NUM_TEAM_2 - 1)
 584                 steam = 2;
 585         else if(scolor == NUM_TEAM_3 - 1)
 586                 steam = 3;
 587         else // if(scolor == NUM_TEAM_4 - 1)
 588                 steam = 4;
 589         if(dcolor == NUM_TEAM_1 - 1)
 590                 dteam = 1;
 591         else if(dcolor == NUM_TEAM_2 - 1)
 592                 dteam = 2;
 593         else if(dcolor == NUM_TEAM_3 - 1)
 594                 dteam = 3;
 595         else // if(dcolor == NUM_TEAM_4 - 1)
 596                 dteam = 4;
 597
 598         CheckAllowedTeams(self);
 599
 600         if(dteam == 1 && c1 < 0) dteam = 4;
 601         if(dteam == 4 && c4 < 0) dteam = 3;
 602         if(dteam == 3 && c3 < 0) dteam = 2;
 603         if(dteam == 2 && c2 < 0) dteam = 1;
 604
 605         // not changing teams
 606         if(scolor == dcolor)
 607         {
 608                 //bprint("same team change\n");
 609                 SetPlayerTeam(self, dteam, steam, true);
 610                 return;
 611         }
 612
 613         if((autocvar_g_campaign) || (autocvar_g_changeteam_banned && self.wasplayer)) {
 614                 Send_Notification(NOTIF_ONE, self, MSG_INFO, INFO_TEAMCHANGE_NOTALLOWED);
 615                 return; // changing teams is not allowed
 616         }
 617
 618         // autocvar_g_balance_teams_prevent_imbalance only makes sense if autocvar_g_balance_teams is on, as it makes the team selection dialog pointless
 619         if(autocvar_g_balance_teams && autocvar_g_balance_teams_prevent_imbalance)
 620         {
 621                 GetTeamCounts(self);
 622                 if(!TeamSmallerEqThanTeam(dteam, steam, self))
 623                 {
 624                         Send_Notification(NOTIF_ONE, self, MSG_INFO, INFO_TEAMCHANGE_LARGERTEAM);
 625                         return;
 626                 }
 627         }
 628
 629 //      bprint("allow change teams from ", ftos(steam), " to ", ftos(dteam), "\n");
 630
 631         if(IS_PLAYER(self) && steam != dteam)
 632         {
 633                 // reduce frags during a team change
 634                 TeamchangeFrags(self);
 635         }
 636
 637         MUTATOR_CALLHOOK(Player_ChangeTeam, self, steam, dteam);
 638
 639         SetPlayerTeam(self, dteam, steam, !IS_CLIENT(self));
 640
 641         if(IS_PLAYER(self) && steam != dteam)
 642         {
 643                 // kill player when changing teams
 644                 if(!IS_DEAD(self))
 645                         Damage(self, self, self, 100000, DEATH_TEAMCHANGE.m_id, self.origin, '0 0 0');
 646         }
 647 }
 648
 649 void ShufflePlayerOutOfTeam (float source_team)
 650 {
 651         float smallestteam, smallestteam_count, steam;
 652         float lowest_bot_score, lowest_player_score;
 653         entity lowest_bot, lowest_player, selected;
 654
 655         smallestteam = 0;
 656         smallestteam_count = 999999999;
 657
 658         if(c1 >= 0 && c1 < smallestteam_count)
 659         {
 660                 smallestteam = 1;
 661                 smallestteam_count = c1;
 662         }
 663         if(c2 >= 0 && c2 < smallestteam_count)
 664         {
 665                 smallestteam = 2;
 666                 smallestteam_count = c2;
 667         }
 668         if(c3 >= 0 && c3 < smallestteam_count)
 669         {
 670                 smallestteam = 3;
 671                 smallestteam_count = c3;
 672         }
 673         if(c4 >= 0 && c4 < smallestteam_count)
 674         {
 675                 smallestteam = 4;
 676                 smallestteam_count = c4;
 677         }
 678
 679         if(!smallestteam)
 680         {
 681                 bprint("warning: no smallest team\n");
 682                 return;
 683         }
 684
 685         if(source_team == 1)
 686                 steam = NUM_TEAM_1;
 687         else if(source_team == 2)
 688                 steam = NUM_TEAM_2;
 689         else if(source_team == 3)
 690                 steam = NUM_TEAM_3;
 691         else // if(source_team == 4)
 692                 steam = NUM_TEAM_4;
 693
 694         lowest_bot = world;
 695         lowest_bot_score = 999999999;
 696         lowest_player = world;
 697         lowest_player_score = 999999999;
 698
 699         // find the lowest-scoring player & bot of that team
 700         FOREACH_CLIENT(IS_PLAYER(it) && it.team == steam, LAMBDA(
 701                 if(it.isbot)
 702                 {
 703                         if(it.totalfrags < lowest_bot_score)
 704                         {
 705                                 lowest_bot = it;
 706                                 lowest_bot_score = it.totalfrags;
 707                         }
 708                 }
 709                 else
 710                 {
 711                         if(it.totalfrags < lowest_player_score)
 712                         {
 713                                 lowest_player = it;
 714                                 lowest_player_score = it.totalfrags;
 715                         }
 716                 }
 717         ));
 718
 719         // prefers to move a bot...
 720         if(lowest_bot != world)
 721                 selected = lowest_bot;
 722         // but it will move a player if it has to
 723         else
 724                 selected = lowest_player;
 725         // don't do anything if it couldn't find anyone
 726         if(!selected)
 727         {
 728                 bprint("warning: couldn't find a player to move from team\n");
 729                 return;
 730         }
 731
 732         // smallest team gains a member
 733         if(smallestteam == 1)
 734         {
 735                 c1 = c1 + 1;
 736         }
 737         else if(smallestteam == 2)
 738         {
 739                 c2 = c2 + 1;
 740         }
 741         else if(smallestteam == 3)
 742         {
 743                 c3 = c3 + 1;
 744         }
 745         else if(smallestteam == 4)
 746         {
 747                 c4 = c4 + 1;
 748         }
 749         else
 750         {
 751                 bprint("warning: destination team invalid\n");
 752                 return;
 753         }
 754         // source team loses a member
 755         if(source_team == 1)
 756         {
 757                 c1 = c1 + 1;
 758         }
 759         else if(source_team == 2)
 760         {
 761                 c2 = c2 + 2;
 762         }
 763         else if(source_team == 3)
 764         {
 765                 c3 = c3 + 3;
 766         }
 767         else if(source_team == 4)
 768         {
 769                 c4 = c4 + 4;
 770         }
 771         else
 772         {
 773                 bprint("warning: source team invalid\n");
 774                 return;
 775         }
 776
 777         // move the player to the new team
 778         TeamchangeFrags(selected);
 779         SetPlayerTeam(selected, smallestteam, source_team, false);
 780
 781         if(!IS_DEAD(selected))
 782                 Damage(selected, selected, selected, 100000, DEATH_AUTOTEAMCHANGE.m_id, selected.origin, '0 0 0');
 783         Send_Notification(NOTIF_ONE, selected, MSG_CENTER, CENTER_DEATH_SELF_AUTOTEAMCHANGE, selected.team);
 784 }