qcsrc/server/teamplay.qc

   1 #include "teamplay.qh"
   2
   3 #include "client.qh"
   4 #include "race.qh"
   5 #include "scores.qh"
   6 #include "scores_rules.qh"
   7
   8 #include "bot/api.qh"
   9
  10 #include "command/vote.qh"
  11
  12 #include "mutators/_mod.qh"
  13
  14 #include "../common/deathtypes/all.qh"
  15 #include "../common/gamemodes/_mod.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(NULL, default_delayedinit, INITPRIO_GAMETYPE_FALLBACK);
  81 }
  82
  83 string GetClientVersionMessage(entity this)
  84 {
  85         string versionmsg;
  86         if (this.version_mismatch) {
  87                 if(this.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(entity this)
  99 {
 100         string s, modifications, motd;
 101
 102         MUTATOR_CALLHOOK(BuildMutatorsPrettyString, "");
 103         modifications = M_ARGV(0, 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 = GetClientVersionMessage(this);
 127
 128         s = strcat("This is Xonotic ", autocvar_g_xonoticversion, "\n", versionmessage);
 129         s = strcat(s, "^8\n\nmatch type is ^1", gamemode_name, "^8\n");
 130
 131         if(modifications != "")
 132                 s = strcat(s, "^8\nactive modifications: ^3", modifications, "^8\n");
 133
 134         if(cache_lastmutatormsg != autocvar_g_mutatormsg)
 135         {
 136                 if(cache_lastmutatormsg)
 137                         strunzone(cache_lastmutatormsg);
 138                 if(cache_mutatormsg)
 139                         strunzone(cache_mutatormsg);
 140                 cache_lastmutatormsg = strzone(autocvar_g_mutatormsg);
 141                 cache_mutatormsg = strzone(cache_lastmutatormsg);
 142         }
 143
 144         if (cache_mutatormsg != "") {
 145                 s = strcat(s, "\n\n^8special gameplay tips: ^7", cache_mutatormsg);
 146         }
 147
 148         string mutator_msg = "";
 149         MUTATOR_CALLHOOK(BuildGameplayTipsString, mutator_msg);
 150         mutator_msg = M_ARGV(0, string);
 151
 152         s = strcat(s, mutator_msg); // trust that the mutator will do proper formatting
 153
 154         motd = autocvar_sv_motd;
 155         if (motd != "") {
 156                 s = strcat(s, "\n\n^8MOTD: ^7", strreplace("\\n", "\n", motd));
 157         }
 158         return s;
 159 }
 160
 161 void setcolor(entity this, int clr)
 162 {
 163 #if 0
 164         this.clientcolors = clr;
 165         this.team = (clr & 15) + 1;
 166 #else
 167         builtin_setcolor(this, clr);
 168 #endif
 169 }
 170
 171 void SetPlayerColors(entity pl, float _color)
 172 {
 173         /*string s;
 174         s = ftos(cl);
 175         stuffcmd(pl, strcat("color ", s, " ", s, "\n")  );
 176         pl.team = cl + 1;
 177         //pl.clientcolors = pl.clientcolors - (pl.clientcolors & 15) + cl;
 178         pl.clientcolors = 16*cl + cl;*/
 179
 180         float pants, shirt;
 181         pants = _color & 0x0F;
 182         shirt = _color & 0xF0;
 183
 184
 185         if(teamplay) {
 186                 setcolor(pl, 16*pants + pants);
 187         } else {
 188                 setcolor(pl, shirt + pants);
 189         }
 190 }
 191
 192 void SetPlayerTeam(entity pl, float t, float s, float noprint)
 193 {
 194         float _color;
 195
 196         if(t == 4)
 197                 _color = NUM_TEAM_4 - 1;
 198         else if(t == 3)
 199                 _color = NUM_TEAM_3 - 1;
 200         else if(t == 2)
 201                 _color = NUM_TEAM_2 - 1;
 202         else
 203                 _color = NUM_TEAM_1 - 1;
 204
 205         SetPlayerColors(pl,_color);
 206
 207         if(t != s) {
 208                 LogTeamchange(pl.playerid, pl.team, 3);  // log manual team join
 209
 210                 if(!noprint)
 211                 bprint(pl.netname, "^7 has changed from ", Team_NumberToColoredFullName(s), "^7 to ", Team_NumberToColoredFullName(t), "\n");
 212         }
 213
 214 }
 215
 216 // set c1...c4 to show what teams are allowed
 217 void CheckAllowedTeams (entity for_whom)
 218 {
 219         int dm = 0;
 220
 221         c1 = c2 = c3 = c4 = -1;
 222         cb1 = cb2 = cb3 = cb4 = 0;
 223
 224         string teament_name = string_null;
 225
 226         bool mutator_returnvalue = MUTATOR_CALLHOOK(GetTeamCount, dm, teament_name);
 227         dm = M_ARGV(0, float);
 228         teament_name = M_ARGV(1, string);
 229
 230         if(!mutator_returnvalue)
 231         {
 232                 if(dm & BIT(0)) c1 = 0;
 233                 if(dm & BIT(1)) c2 = 0;
 234                 if(dm & BIT(2)) c3 = 0;
 235                 if(dm & BIT(3)) c4 = 0;
 236         }
 237
 238         // find out what teams are allowed if necessary
 239         if(teament_name)
 240         {
 241                 entity head = find(NULL, classname, teament_name);
 242                 while(head)
 243                 {
 244                         switch(head.team)
 245                         {
 246                                 case NUM_TEAM_1: c1 = 0; break;
 247                                 case NUM_TEAM_2: c2 = 0; break;
 248                                 case NUM_TEAM_3: c3 = 0; break;
 249                                 case NUM_TEAM_4: c4 = 0; break;
 250                         }
 251
 252                         head = find(head, classname, teament_name);
 253                 }
 254         }
 255
 256         // TODO: Balance quantity of bots across > 2 teams when bot_vs_human is set (and remove next line)
 257         if(AvailableTeams() == 2)
 258         if(autocvar_bot_vs_human && for_whom)
 259         {
 260                 if(autocvar_bot_vs_human > 0)
 261                 {
 262                         // find last team available
 263
 264                         if(IS_BOT_CLIENT(for_whom))
 265                         {
 266                                 if(c4 >= 0) { c3 = c2 = c1 = -1; }
 267                                 else if(c3 >= 0) { c4 = c2 = c1 = -1; }
 268                                 else { c4 = c3 = c1 = -1; }
 269                                 // no further cases, we know at least 2 teams exist
 270                         }
 271                         else
 272                         {
 273                                 if(c1 >= 0) { c2 = c3 = c4 = -1; }
 274                                 else if(c2 >= 0) { c1 = c3 = c4 = -1; }
 275                                 else { c1 = c2 = c4 = -1; }
 276                                 // no further cases, bots have one of the teams
 277                         }
 278                 }
 279                 else
 280                 {
 281                         // find first team available
 282
 283                         if(IS_BOT_CLIENT(for_whom))
 284                         {
 285                                 if(c1 >= 0) { c2 = c3 = c4 = -1; }
 286                                 else if(c2 >= 0) { c1 = c3 = c4 = -1; }
 287                                 else { c1 = c2 = c4 = -1; }
 288                                 // no further cases, we know at least 2 teams exist
 289                         }
 290                         else
 291                         {
 292                                 if(c4 >= 0) { c3 = c2 = c1 = -1; }
 293                                 else if(c3 >= 0) { c4 = c2 = c1 = -1; }
 294                                 else { c4 = c3 = c1 = -1; }
 295                                 // no further cases, bots have one of the teams
 296                         }
 297                 }
 298         }
 299
 300         if(!for_whom)
 301                 return;
 302
 303         // if player has a forced team, ONLY allow that one
 304         if(for_whom.team_forced == NUM_TEAM_1 && c1 >= 0)
 305                 c2 = c3 = c4 = -1;
 306         else if(for_whom.team_forced == NUM_TEAM_2 && c2 >= 0)
 307                 c1 = c3 = c4 = -1;
 308         else if(for_whom.team_forced == NUM_TEAM_3 && c3 >= 0)
 309                 c1 = c2 = c4 = -1;
 310         else if(for_whom.team_forced == NUM_TEAM_4 && c4 >= 0)
 311                 c1 = c2 = c3 = -1;
 312 }
 313
 314 float PlayerValue(entity p)
 315 {
 316         return 1;
 317         // FIXME: it always returns 1...
 318 }
 319
 320 // c1...c4 should be set to -1 (not allowed) or 0 (allowed).
 321 // teams that are allowed will now have their player counts stored in c1...c4
 322 void GetTeamCounts(entity ignore)
 323 {
 324         float value, bvalue;
 325         // now count how many players are on each team already
 326
 327         // FIXME: also find and memorize the lowest-scoring bot on each team (in case players must be shuffled around)
 328         // also remember the lowest-scoring player
 329
 330         FOREACH_CLIENT(true, LAMBDA(
 331                 float t;
 332                 if(IS_PLAYER(it) || it.caplayer)
 333                         t = it.team;
 334                 else if(it.team_forced > 0)
 335                         t = it.team_forced; // reserve the spot
 336                 else
 337                         continue;
 338                 if(it != ignore)// && it.netname != "")
 339                 {
 340                         value = PlayerValue(it);
 341                         if(IS_BOT_CLIENT(it))
 342                                 bvalue = value;
 343                         else
 344                                 bvalue = 0;
 345                         if(t == NUM_TEAM_1)
 346                         {
 347                                 if(c1 >= 0)
 348                                 {
 349                                         c1 = c1 + value;
 350                                         cb1 = cb1 + bvalue;
 351                                 }
 352                         }
 353                         if(t == NUM_TEAM_2)
 354                         {
 355                                 if(c2 >= 0)
 356                                 {
 357                                         c2 = c2 + value;
 358                                         cb2 = cb2 + bvalue;
 359                                 }
 360                         }
 361                         if(t == NUM_TEAM_3)
 362                         {
 363                                 if(c3 >= 0)
 364                                 {
 365                                         c3 = c3 + value;
 366                                         cb3 = cb3 + bvalue;
 367                                 }
 368                         }
 369                         if(t == NUM_TEAM_4)
 370                         {
 371                                 if(c4 >= 0)
 372                                 {
 373                                         c4 = c4 + value;
 374                                         cb4 = cb4 + bvalue;
 375                                 }
 376                         }
 377                 }
 378         ));
 379
 380         // if the player who has a forced team has not joined yet, reserve the spot
 381         if(autocvar_g_campaign)
 382         {
 383                 switch(autocvar_g_campaign_forceteam)
 384                 {
 385                         case 1: if(c1 == cb1) ++c1; break;
 386                         case 2: if(c2 == cb2) ++c2; break;
 387                         case 3: if(c3 == cb3) ++c3; break;
 388                         case 4: if(c4 == cb4) ++c4; break;
 389                 }
 390         }
 391 }
 392
 393 float TeamSmallerEqThanTeam(float ta, float tb, entity e)
 394 {
 395         // we assume that CheckAllowedTeams and GetTeamCounts have already been called
 396         float f;
 397         float ca = -1, cb = -1, cba = 0, cbb = 0, sa = 0, sb = 0;
 398
 399         switch(ta)
 400         {
 401                 case 1: ca = c1; cba = cb1; sa = team1_score; break;
 402                 case 2: ca = c2; cba = cb2; sa = team2_score; break;
 403                 case 3: ca = c3; cba = cb3; sa = team3_score; break;
 404                 case 4: ca = c4; cba = cb4; sa = team4_score; break;
 405         }
 406         switch(tb)
 407         {
 408                 case 1: cb = c1; cbb = cb1; sb = team1_score; break;
 409                 case 2: cb = c2; cbb = cb2; sb = team2_score; break;
 410                 case 3: cb = c3; cbb = cb3; sb = team3_score; break;
 411                 case 4: cb = c4; cbb = cb4; sb = team4_score; break;
 412         }
 413
 414         // invalid
 415         if(ca < 0 || cb < 0)
 416                 return false;
 417
 418         // equal
 419         if(ta == tb)
 420                 return true;
 421
 422         if(IS_REAL_CLIENT(e))
 423         {
 424                 if(bots_would_leave)
 425                 {
 426                         ca -= cba * 0.999;
 427                         cb -= cbb * 0.999;
 428                 }
 429         }
 430
 431         // keep teams alive (teams of size 0 always count as smaller, ignoring score)
 432         if(ca < 1)
 433                 if(cb >= 1)
 434                         return true;
 435         if(ca >= 1)
 436                 if(cb < 1)
 437                         return false;
 438
 439         // first, normalize
 440         f = max(ca, cb, 1);
 441         ca /= f;
 442         cb /= f;
 443         f = max(sa, sb, 1);
 444         sa /= f;
 445         sb /= f;
 446
 447         // the more we're at the end of the match, the more take scores into account
 448         f = bound(0, game_completion_ratio * autocvar_g_balance_teams_scorefactor, 1);
 449         ca += (sa - ca) * f;
 450         cb += (sb - cb) * f;
 451
 452         return ca <= cb;
 453 }
 454
 455 // returns # of smallest team (1, 2, 3, 4)
 456 // NOTE: Assumes CheckAllowedTeams has already been called!
 457 float FindSmallestTeam(entity pl, float ignore_pl)
 458 {
 459         int totalteams = 0;
 460         int t = 1; // initialize with a random team?
 461         if(c4 >= 0) t = 4;
 462         if(c3 >= 0) t = 3;
 463         if(c2 >= 0) t = 2;
 464         if(c1 >= 0) t = 1;
 465
 466         // find out what teams are available
 467         //CheckAllowedTeams();
 468
 469         // make sure there are at least 2 teams to join
 470         if(c1 >= 0)
 471                 totalteams = totalteams + 1;
 472         if(c2 >= 0)
 473                 totalteams = totalteams + 1;
 474         if(c3 >= 0)
 475                 totalteams = totalteams + 1;
 476         if(c4 >= 0)
 477                 totalteams = totalteams + 1;
 478
 479         if((autocvar_bot_vs_human || pl.team_forced > 0) && totalteams == 1)
 480                 totalteams += 1;
 481
 482         if(totalteams <= 1)
 483         {
 484                 if(autocvar_g_campaign && pl && IS_REAL_CLIENT(pl))
 485                         return 1; // special case for campaign and player joining
 486                 else if(totalteams == 1) // single team
 487                         LOG_TRACEF("Only 1 team available for %s, you may need to fix your map", MapInfo_Type_ToString(MapInfo_CurrentGametype()));
 488                 else // no teams, major no no
 489                         error(sprintf("No teams available for %s\n", MapInfo_Type_ToString(MapInfo_CurrentGametype())));
 490         }
 491
 492         // count how many players are in each team
 493         if(ignore_pl)
 494                 GetTeamCounts(pl);
 495         else
 496                 GetTeamCounts(NULL);
 497
 498         RandomSelection_Init();
 499
 500         if(TeamSmallerEqThanTeam(1, t, pl))
 501                 t = 1;
 502         if(TeamSmallerEqThanTeam(2, t, pl))
 503                 t = 2;
 504         if(TeamSmallerEqThanTeam(3, t, pl))
 505                 t = 3;
 506         if(TeamSmallerEqThanTeam(4, t, pl))
 507                 t = 4;
 508
 509         // now t is the minimum, or A minimum!
 510         if(t == 1 || TeamSmallerEqThanTeam(1, t, pl))
 511                 RandomSelection_Add(NULL, 1, string_null, 1, 1);
 512         if(t == 2 || TeamSmallerEqThanTeam(2, t, pl))
 513                 RandomSelection_Add(NULL, 2, string_null, 1, 1);
 514         if(t == 3 || TeamSmallerEqThanTeam(3, t, pl))
 515                 RandomSelection_Add(NULL, 3, string_null, 1, 1);
 516         if(t == 4 || TeamSmallerEqThanTeam(4, t, pl))
 517                 RandomSelection_Add(NULL, 4, string_null, 1, 1);
 518
 519         return RandomSelection_chosen_float;
 520 }
 521
 522 int JoinBestTeam(entity this, bool only_return_best, bool forcebestteam)
 523 {
 524         float smallest, selectedteam;
 525
 526         // don't join a team if we're not playing a team game
 527         if(!teamplay)
 528                 return 0;
 529
 530         // find out what teams are available
 531         CheckAllowedTeams(this);
 532
 533         // if we don't care what team he ends up on, put him on whatever team he entered as.
 534         // if he's not on a valid team, then let other code put him on the smallest team
 535         if(!forcebestteam)
 536         {
 537                 if(     c1 >= 0 && this.team == NUM_TEAM_1)
 538                         selectedteam = this.team;
 539                 else if(c2 >= 0 && this.team == NUM_TEAM_2)
 540                         selectedteam = this.team;
 541                 else if(c3 >= 0 && this.team == NUM_TEAM_3)
 542                         selectedteam = this.team;
 543                 else if(c4 >= 0 && this.team == NUM_TEAM_4)
 544                         selectedteam = this.team;
 545                 else
 546                         selectedteam = -1;
 547
 548                 if(selectedteam > 0)
 549                 {
 550                         if(!only_return_best)
 551                         {
 552                                 SetPlayerColors(this, selectedteam - 1);
 553
 554                                 // when JoinBestTeam is called by client.qc/ClientKill_Now_TeamChange the players team is -1 and thus skipped
 555                                 // when JoinBestTeam is called by client.qc/ClientConnect the player_id is 0 the log attempt is rejected
 556                                 LogTeamchange(this.playerid, this.team, 99);
 557                         }
 558                         return selectedteam;
 559                 }
 560                 // otherwise end up on the smallest team (handled below)
 561         }
 562
 563         smallest = FindSmallestTeam(this, true);
 564
 565         if(!only_return_best && !this.bot_forced_team)
 566         {
 567                 TeamchangeFrags(this);
 568                 if(smallest == 1)
 569                 {
 570                         SetPlayerColors(this, NUM_TEAM_1 - 1);
 571                 }
 572                 else if(smallest == 2)
 573                 {
 574                         SetPlayerColors(this, NUM_TEAM_2 - 1);
 575                 }
 576                 else if(smallest == 3)
 577                 {
 578                         SetPlayerColors(this, NUM_TEAM_3 - 1);
 579                 }
 580                 else if(smallest == 4)
 581                 {
 582                         SetPlayerColors(this, NUM_TEAM_4 - 1);
 583                 }
 584                 else
 585                 {
 586                         error("smallest team: invalid team\n");
 587                 }
 588
 589                 LogTeamchange(this.playerid, this.team, 2); // log auto join
 590
 591                 if(!IS_DEAD(this))
 592                         Damage(this, this, this, 100000, DEATH_TEAMCHANGE.m_id, this.origin, '0 0 0');
 593         }
 594
 595         return smallest;
 596 }
 597
 598 //void() ctf_playerchanged;
 599 void SV_ChangeTeam(entity this, float _color)
 600 {
 601         float scolor, dcolor, steam, dteam; //, dbotcount, scount, dcount;
 602
 603         // in normal deathmatch we can just apply the color and we're done
 604         if(!teamplay)
 605                 SetPlayerColors(this, _color);
 606
 607         if(!IS_CLIENT(this))
 608         {
 609                 // since this is an engine function, and gamecode doesn't have any calls earlier than this, do the connecting message here
 610                 Send_Notification(NOTIF_ALL, NULL, MSG_INFO, INFO_CONNECTING, this.netname);
 611                 return;
 612         }
 613
 614         if(!teamplay)
 615                 return;
 616
 617         scolor = this.clientcolors & 0x0F;
 618         dcolor = _color & 0x0F;
 619
 620         if(scolor == NUM_TEAM_1 - 1)
 621                 steam = 1;
 622         else if(scolor == NUM_TEAM_2 - 1)
 623                 steam = 2;
 624         else if(scolor == NUM_TEAM_3 - 1)
 625                 steam = 3;
 626         else // if(scolor == NUM_TEAM_4 - 1)
 627                 steam = 4;
 628         if(dcolor == NUM_TEAM_1 - 1)
 629                 dteam = 1;
 630         else if(dcolor == NUM_TEAM_2 - 1)
 631                 dteam = 2;
 632         else if(dcolor == NUM_TEAM_3 - 1)
 633                 dteam = 3;
 634         else // if(dcolor == NUM_TEAM_4 - 1)
 635                 dteam = 4;
 636
 637         CheckAllowedTeams(this);
 638
 639         if(dteam == 1 && c1 < 0) dteam = 4;
 640         if(dteam == 4 && c4 < 0) dteam = 3;
 641         if(dteam == 3 && c3 < 0) dteam = 2;
 642         if(dteam == 2 && c2 < 0) dteam = 1;
 643
 644         // not changing teams
 645         if(scolor == dcolor)
 646         {
 647                 //bprint("same team change\n");
 648                 SetPlayerTeam(this, dteam, steam, true);
 649                 return;
 650         }
 651
 652         if((autocvar_g_campaign) || (autocvar_g_changeteam_banned && this.wasplayer)) {
 653                 Send_Notification(NOTIF_ONE, this, MSG_INFO, INFO_TEAMCHANGE_NOTALLOWED);
 654                 return; // changing teams is not allowed
 655         }
 656
 657         // autocvar_g_balance_teams_prevent_imbalance only makes sense if autocvar_g_balance_teams is on, as it makes the team selection dialog pointless
 658         if(autocvar_g_balance_teams && autocvar_g_balance_teams_prevent_imbalance)
 659         {
 660                 GetTeamCounts(this);
 661                 if(!TeamSmallerEqThanTeam(dteam, steam, this))
 662                 {
 663                         Send_Notification(NOTIF_ONE, this, MSG_INFO, INFO_TEAMCHANGE_LARGERTEAM);
 664                         return;
 665                 }
 666         }
 667
 668 //      bprint("allow change teams from ", ftos(steam), " to ", ftos(dteam), "\n");
 669
 670         if(IS_PLAYER(this) && steam != dteam)
 671         {
 672                 // reduce frags during a team change
 673                 TeamchangeFrags(this);
 674         }
 675
 676         MUTATOR_CALLHOOK(Player_ChangeTeam, this, steam, dteam);
 677
 678         SetPlayerTeam(this, dteam, steam, !IS_CLIENT(this));
 679
 680         if(IS_PLAYER(this) && steam != dteam)
 681         {
 682                 // kill player when changing teams
 683                 if(!IS_DEAD(this))
 684                         Damage(this, this, this, 100000, DEATH_TEAMCHANGE.m_id, this.origin, '0 0 0');
 685         }
 686 }
 687
 688 void ShufflePlayerOutOfTeam (float source_team)
 689 {
 690         float smallestteam, smallestteam_count, steam;
 691         float lowest_bot_score, lowest_player_score;
 692         entity lowest_bot, lowest_player, selected;
 693
 694         smallestteam = 0;
 695         smallestteam_count = 999999999;
 696
 697         if(c1 >= 0 && c1 < smallestteam_count)
 698         {
 699                 smallestteam = 1;
 700                 smallestteam_count = c1;
 701         }
 702         if(c2 >= 0 && c2 < smallestteam_count)
 703         {
 704                 smallestteam = 2;
 705                 smallestteam_count = c2;
 706         }
 707         if(c3 >= 0 && c3 < smallestteam_count)
 708         {
 709                 smallestteam = 3;
 710                 smallestteam_count = c3;
 711         }
 712         if(c4 >= 0 && c4 < smallestteam_count)
 713         {
 714                 smallestteam = 4;
 715                 smallestteam_count = c4;
 716         }
 717
 718         if(!smallestteam)
 719         {
 720                 bprint("warning: no smallest team\n");
 721                 return;
 722         }
 723
 724         if(source_team == 1)
 725                 steam = NUM_TEAM_1;
 726         else if(source_team == 2)
 727                 steam = NUM_TEAM_2;
 728         else if(source_team == 3)
 729                 steam = NUM_TEAM_3;
 730         else // if(source_team == 4)
 731                 steam = NUM_TEAM_4;
 732
 733         lowest_bot = NULL;
 734         lowest_bot_score = 999999999;
 735         lowest_player = NULL;
 736         lowest_player_score = 999999999;
 737
 738         // find the lowest-scoring player & bot of that team
 739         FOREACH_CLIENT(IS_PLAYER(it) && it.team == steam, LAMBDA(
 740                 if(it.isbot)
 741                 {
 742                         if(it.totalfrags < lowest_bot_score)
 743                         {
 744                                 lowest_bot = it;
 745                                 lowest_bot_score = it.totalfrags;
 746                         }
 747                 }
 748                 else
 749                 {
 750                         if(it.totalfrags < lowest_player_score)
 751                         {
 752                                 lowest_player = it;
 753                                 lowest_player_score = it.totalfrags;
 754                         }
 755                 }
 756         ));
 757
 758         // prefers to move a bot...
 759         if(lowest_bot != NULL)
 760                 selected = lowest_bot;
 761         // but it will move a player if it has to
 762         else
 763                 selected = lowest_player;
 764         // don't do anything if it couldn't find anyone
 765         if(!selected)
 766         {
 767                 bprint("warning: couldn't find a player to move from team\n");
 768                 return;
 769         }
 770
 771         // smallest team gains a member
 772         if(smallestteam == 1)
 773         {
 774                 c1 = c1 + 1;
 775         }
 776         else if(smallestteam == 2)
 777         {
 778                 c2 = c2 + 1;
 779         }
 780         else if(smallestteam == 3)
 781         {
 782                 c3 = c3 + 1;
 783         }
 784         else if(smallestteam == 4)
 785         {
 786                 c4 = c4 + 1;
 787         }
 788         else
 789         {
 790                 bprint("warning: destination team invalid\n");
 791                 return;
 792         }
 793         // source team loses a member
 794         if(source_team == 1)
 795         {
 796                 c1 = c1 + 1;
 797         }
 798         else if(source_team == 2)
 799         {
 800                 c2 = c2 + 2;
 801         }
 802         else if(source_team == 3)
 803         {
 804                 c3 = c3 + 3;
 805         }
 806         else if(source_team == 4)
 807         {
 808                 c4 = c4 + 4;
 809         }
 810         else
 811         {
 812                 bprint("warning: source team invalid\n");
 813                 return;
 814         }
 815
 816         // move the player to the new team
 817         TeamchangeFrags(selected);
 818         SetPlayerTeam(selected, smallestteam, source_team, false);
 819
 820         if(!IS_DEAD(selected))
 821                 Damage(selected, selected, selected, 100000, DEATH_AUTOTEAMCHANGE.m_id, selected.origin, '0 0 0');
 822         Send_Notification(NOTIF_ONE, selected, MSG_CENTER, CENTER_DEATH_SELF_AUTOTEAMCHANGE, selected.team);
 823 }