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         // currently, NetRadiant's limit is 131072 qu for each side
  56         // distance from one corner of a 131072qu cube to the opposite corner is approx. 227023 qu
  57         // set the distance according to map size but don't go over the limit to avoid issues with float precision
  58         // in case somebody makes extremely large maps
  59         max_shot_distance = min(230000, vlen(world.maxs - world.mins));
  60
  61         MapInfo_LoadMapSettings(mapname);
  62         serverflags &= ~SERVERFLAG_TEAMPLAY;
  63         teamplay = 0;
  64         cvar_set("teamplay", "0");  // DP needs this for sending proper getstatus replies.
  65
  66         if (!cvar_value_issafe(world.fog))
  67         {
  68                 LOG_INFO("The current map contains a potentially harmful fog setting, ignored\n");
  69                 world.fog = string_null;
  70         }
  71         if(MapInfo_Map_fog != "")
  72                 if(MapInfo_Map_fog == "none")
  73                         world.fog = string_null;
  74                 else
  75                         world.fog = strzone(MapInfo_Map_fog);
  76         clientstuff = strzone(MapInfo_Map_clientstuff);
  77
  78         MapInfo_ClearTemps();
  79
  80         gamemode_name = MapInfo_Type_ToText(MapInfo_LoadedGametype);
  81
  82         cache_mutatormsg = strzone("");
  83         cache_lastmutatormsg = strzone("");
  84
  85         InitializeEntity(NULL, default_delayedinit, INITPRIO_GAMETYPE_FALLBACK);
  86 }
  87
  88 string GetClientVersionMessage(entity this)
  89 {
  90         if (CS(this).version_mismatch) {
  91                 if(CS(this).version < autocvar_gameversion) {
  92                         return strcat("This is Xonotic ", autocvar_g_xonoticversion,
  93                                 "\n^3Your client version is outdated.\n\n\n### YOU WON'T BE ABLE TO PLAY ON THIS SERVER ###\n\n\nPlease update!!!^8");
  94                 } else {
  95                         return strcat("This is Xonotic ", autocvar_g_xonoticversion,
  96                                 "\n^3This server is using an outdated Xonotic version.\n\n\n ### THIS SERVER IS INCOMPATIBLE AND THUS YOU CANNOT JOIN ###.^8");
  97                 }
  98         } else {
  99                 return strcat("Welcome to Xonotic ", autocvar_g_xonoticversion);
 100         }
 101 }
 102
 103 string getwelcomemessage(entity this)
 104 {
 105         MUTATOR_CALLHOOK(BuildMutatorsPrettyString, "");
 106         string modifications = M_ARGV(0, string);
 107
 108         if(g_weaponarena)
 109         {
 110                 if(g_weaponarena_random)
 111                         modifications = strcat(modifications, ", ", ftos(g_weaponarena_random), " of ", g_weaponarena_list, " Arena");
 112                 else
 113                         modifications = strcat(modifications, ", ", g_weaponarena_list, " Arena");
 114         }
 115         else if(cvar("g_balance_blaster_weaponstartoverride") == 0)
 116                 modifications = strcat(modifications, ", No start weapons");
 117         if(cvar("sv_gravity") < stof(cvar_defstring("sv_gravity")))
 118                 modifications = strcat(modifications, ", Low gravity");
 119         if(g_weapon_stay && !g_cts)
 120                 modifications = strcat(modifications, ", Weapons stay");
 121         if(g_jetpack)
 122                 modifications = strcat(modifications, ", Jet pack");
 123         if(autocvar_g_powerups == 0)
 124                 modifications = strcat(modifications, ", No powerups");
 125         if(autocvar_g_powerups > 0)
 126                 modifications = strcat(modifications, ", Powerups");
 127         modifications = substring(modifications, 2, strlen(modifications) - 2);
 128
 129         string versionmessage = GetClientVersionMessage(this);
 130         string s = strcat(versionmessage, "^8\n^8\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 = M_ARGV(0, string);
 152
 153         s = strcat(s, mutator_msg); // trust that the mutator will do proper formatting
 154
 155         string 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 setcolor(entity this, int clr)
 163 {
 164 #if 0
 165         this.clientcolors = clr;
 166         this.team = (clr & 15) + 1;
 167 #else
 168         builtin_setcolor(this, clr);
 169 #endif
 170 }
 171
 172 void SetPlayerColors(entity pl, float _color)
 173 {
 174         /*string s;
 175         s = ftos(cl);
 176         stuffcmd(pl, strcat("color ", s, " ", s, "\n")  );
 177         pl.team = cl + 1;
 178         //pl.clientcolors = pl.clientcolors - (pl.clientcolors & 15) + cl;
 179         pl.clientcolors = 16*cl + cl;*/
 180
 181         float pants, shirt;
 182         pants = _color & 0x0F;
 183         shirt = _color & 0xF0;
 184
 185
 186         if(teamplay) {
 187                 setcolor(pl, 16*pants + pants);
 188         } else {
 189                 setcolor(pl, shirt + pants);
 190         }
 191 }
 192
 193 void SetPlayerTeam(entity pl, float t, float s, float noprint)
 194 {
 195         float _color;
 196
 197         if(t == 4)
 198                 _color = NUM_TEAM_4 - 1;
 199         else if(t == 3)
 200                 _color = NUM_TEAM_3 - 1;
 201         else if(t == 2)
 202                 _color = NUM_TEAM_2 - 1;
 203         else
 204                 _color = NUM_TEAM_1 - 1;
 205
 206         SetPlayerColors(pl,_color);
 207
 208         if(t != s) {
 209                 LogTeamchange(pl.playerid, pl.team, 3);  // log manual team join
 210
 211                 if(!noprint)
 212                         bprint(playername(pl, false), "^7 has changed from ", Team_NumberToColoredFullName(s), "^7 to ", Team_NumberToColoredFullName(t), "\n");
 213         }
 214
 215 }
 216
 217 // set c1...c4 to show what teams are allowed
 218 void CheckAllowedTeams (entity for_whom)
 219 {
 220         int teams_mask = 0;
 221
 222         c1 = c2 = c3 = c4 = -1;
 223         cb1 = cb2 = cb3 = cb4 = 0;
 224
 225         string teament_name = string_null;
 226
 227         bool mutator_returnvalue = MUTATOR_CALLHOOK(CheckAllowedTeams, teams_mask, teament_name, for_whom);
 228         teams_mask = M_ARGV(0, float);
 229         teament_name = M_ARGV(1, string);
 230
 231         if(!mutator_returnvalue)
 232         {
 233                 if(teams_mask & BIT(0)) c1 = 0;
 234                 if(teams_mask & BIT(1)) c2 = 0;
 235                 if(teams_mask & BIT(2)) c3 = 0;
 236                 if(teams_mask & BIT(3)) c4 = 0;
 237         }
 238
 239         // find out what teams are allowed if necessary
 240         if(teament_name)
 241         {
 242                 entity head = find(NULL, classname, teament_name);
 243                 while(head)
 244                 {
 245                         switch(head.team)
 246                         {
 247                                 case NUM_TEAM_1: c1 = 0; break;
 248                                 case NUM_TEAM_2: c2 = 0; break;
 249                                 case NUM_TEAM_3: c3 = 0; break;
 250                                 case NUM_TEAM_4: c4 = 0; break;
 251                         }
 252
 253                         head = find(head, classname, teament_name);
 254                 }
 255         }
 256
 257         // TODO: Balance quantity of bots across > 2 teams when bot_vs_human is set (and remove next line)
 258         if(AvailableTeams() == 2)
 259         if(autocvar_bot_vs_human && for_whom)
 260         {
 261                 if(autocvar_bot_vs_human > 0)
 262                 {
 263                         // find last team available
 264
 265                         if(IS_BOT_CLIENT(for_whom))
 266                         {
 267                                 if(c4 >= 0) { c3 = c2 = c1 = -1; }
 268                                 else if(c3 >= 0) { c4 = c2 = c1 = -1; }
 269                                 else { c4 = c3 = c1 = -1; }
 270                                 // no further cases, we know at least 2 teams exist
 271                         }
 272                         else
 273                         {
 274                                 if(c1 >= 0) { c2 = c3 = c4 = -1; }
 275                                 else if(c2 >= 0) { c1 = c3 = c4 = -1; }
 276                                 else { c1 = c2 = c4 = -1; }
 277                                 // no further cases, bots have one of the teams
 278                         }
 279                 }
 280                 else
 281                 {
 282                         // find first team available
 283
 284                         if(IS_BOT_CLIENT(for_whom))
 285                         {
 286                                 if(c1 >= 0) { c2 = c3 = c4 = -1; }
 287                                 else if(c2 >= 0) { c1 = c3 = c4 = -1; }
 288                                 else { c1 = c2 = c4 = -1; }
 289                                 // no further cases, we know at least 2 teams exist
 290                         }
 291                         else
 292                         {
 293                                 if(c4 >= 0) { c3 = c2 = c1 = -1; }
 294                                 else if(c3 >= 0) { c4 = c2 = c1 = -1; }
 295                                 else { c4 = c3 = c1 = -1; }
 296                                 // no further cases, bots have one of the teams
 297                         }
 298                 }
 299         }
 300
 301         if(!for_whom)
 302                 return;
 303
 304         // if player has a forced team, ONLY allow that one
 305         if(for_whom.team_forced == NUM_TEAM_1 && c1 >= 0)
 306                 c2 = c3 = c4 = -1;
 307         else if(for_whom.team_forced == NUM_TEAM_2 && c2 >= 0)
 308                 c1 = c3 = c4 = -1;
 309         else if(for_whom.team_forced == NUM_TEAM_3 && c3 >= 0)
 310                 c1 = c2 = c4 = -1;
 311         else if(for_whom.team_forced == NUM_TEAM_4 && c4 >= 0)
 312                 c1 = c2 = c3 = -1;
 313 }
 314
 315 float PlayerValue(entity p)
 316 {
 317         return 1;
 318         // FIXME: it always returns 1...
 319 }
 320
 321 // c1...c4 should be set to -1 (not allowed) or 0 (allowed).
 322 // teams that are allowed will now have their player counts stored in c1...c4
 323 void GetTeamCounts(entity ignore)
 324 {
 325         float value, bvalue;
 326         // now count how many players are on each team already
 327
 328         // FIXME: also find and memorize the lowest-scoring bot on each team (in case players must be shuffled around)
 329         // also remember the lowest-scoring player
 330
 331         FOREACH_CLIENT(true, LAMBDA(
 332                 float t;
 333                 if(IS_PLAYER(it) || it.caplayer)
 334                         t = it.team;
 335                 else if(it.team_forced > 0)
 336                         t = it.team_forced; // reserve the spot
 337                 else
 338                         continue;
 339                 if(it != ignore)// && it.netname != "")
 340                 {
 341                         value = PlayerValue(it);
 342                         if(IS_BOT_CLIENT(it))
 343                                 bvalue = value;
 344                         else
 345                                 bvalue = 0;
 346                         if(t == NUM_TEAM_1)
 347                         {
 348                                 if(c1 >= 0)
 349                                 {
 350                                         c1 = c1 + value;
 351                                         cb1 = cb1 + bvalue;
 352                                 }
 353                         }
 354                         else if(t == NUM_TEAM_2)
 355                         {
 356                                 if(c2 >= 0)
 357                                 {
 358                                         c2 = c2 + value;
 359                                         cb2 = cb2 + bvalue;
 360                                 }
 361                         }
 362                         else if(t == NUM_TEAM_3)
 363                         {
 364                                 if(c3 >= 0)
 365                                 {
 366                                         c3 = c3 + value;
 367                                         cb3 = cb3 + bvalue;
 368                                 }
 369                         }
 370                         else if(t == NUM_TEAM_4)
 371                         {
 372                                 if(c4 >= 0)
 373                                 {
 374                                         c4 = c4 + value;
 375                                         cb4 = cb4 + bvalue;
 376                                 }
 377                         }
 378                 }
 379         ));
 380
 381         // if the player who has a forced team has not joined yet, reserve the spot
 382         if(autocvar_g_campaign)
 383         {
 384                 switch(autocvar_g_campaign_forceteam)
 385                 {
 386                         case 1: if(c1 == cb1) ++c1; break;
 387                         case 2: if(c2 == cb2) ++c2; break;
 388                         case 3: if(c3 == cb3) ++c3; break;
 389                         case 4: if(c4 == cb4) ++c4; break;
 390                 }
 391         }
 392 }
 393
 394 float TeamSmallerEqThanTeam(float ta, float tb, entity e)
 395 {
 396         // we assume that CheckAllowedTeams and GetTeamCounts have already been called
 397         float f;
 398         float ca = -1, cb = -1, cba = 0, cbb = 0, sa = 0, sb = 0;
 399
 400         switch(ta)
 401         {
 402                 case 1: ca = c1; cba = cb1; sa = team1_score; break;
 403                 case 2: ca = c2; cba = cb2; sa = team2_score; break;
 404                 case 3: ca = c3; cba = cb3; sa = team3_score; break;
 405                 case 4: ca = c4; cba = cb4; sa = team4_score; break;
 406         }
 407         switch(tb)
 408         {
 409                 case 1: cb = c1; cbb = cb1; sb = team1_score; break;
 410                 case 2: cb = c2; cbb = cb2; sb = team2_score; break;
 411                 case 3: cb = c3; cbb = cb3; sb = team3_score; break;
 412                 case 4: cb = c4; cbb = cb4; sb = team4_score; break;
 413         }
 414
 415         // invalid
 416         if(ca < 0 || cb < 0)
 417                 return false;
 418
 419         // equal
 420         if(ta == tb)
 421                 return true;
 422
 423         if(IS_REAL_CLIENT(e))
 424         {
 425                 if(bots_would_leave)
 426                 {
 427                         ca -= cba * 0.999;
 428                         cb -= cbb * 0.999;
 429                 }
 430         }
 431
 432         // keep teams alive (teams of size 0 always count as smaller, ignoring score)
 433         if(ca < 1)
 434                 if(cb >= 1)
 435                         return true;
 436         if(ca >= 1)
 437                 if(cb < 1)
 438                         return false;
 439
 440         // first, normalize
 441         f = max(ca, cb, 1);
 442         ca /= f;
 443         cb /= f;
 444         f = max(sa, sb, 1);
 445         sa /= f;
 446         sb /= f;
 447
 448         // the more we're at the end of the match, the more take scores into account
 449         f = bound(0, game_completion_ratio * autocvar_g_balance_teams_scorefactor, 1);
 450         ca += (sa - ca) * f;
 451         cb += (sb - cb) * f;
 452
 453         return ca <= cb;
 454 }
 455
 456 // returns # of smallest team (1, 2, 3, 4)
 457 // NOTE: Assumes CheckAllowedTeams has already been called!
 458 float FindSmallestTeam(entity pl, float ignore_pl)
 459 {
 460         int totalteams = 0;
 461         int t = 1; // initialize with a random team?
 462         if(c4 >= 0) t = 4;
 463         if(c3 >= 0) t = 3;
 464         if(c2 >= 0) t = 2;
 465         if(c1 >= 0) t = 1;
 466
 467         // find out what teams are available
 468         //CheckAllowedTeams();
 469
 470         // make sure there are at least 2 teams to join
 471         if(c1 >= 0)
 472                 totalteams = totalteams + 1;
 473         if(c2 >= 0)
 474                 totalteams = totalteams + 1;
 475         if(c3 >= 0)
 476                 totalteams = totalteams + 1;
 477         if(c4 >= 0)
 478                 totalteams = totalteams + 1;
 479
 480         if((autocvar_bot_vs_human || pl.team_forced > 0) && totalteams == 1)
 481                 totalteams += 1;
 482
 483         if(totalteams <= 1)
 484         {
 485                 if(autocvar_g_campaign && pl && IS_REAL_CLIENT(pl))
 486                         return 1; // special case for campaign and player joining
 487                 else if(totalteams == 1) // single team
 488                         LOG_TRACEF("Only 1 team available for %s, you may need to fix your map", MapInfo_Type_ToString(MapInfo_CurrentGametype()));
 489                 else // no teams, major no no
 490                         error(sprintf("No teams available for %s\n", MapInfo_Type_ToString(MapInfo_CurrentGametype())));
 491         }
 492
 493         // count how many players are in each team
 494         if(ignore_pl)
 495                 GetTeamCounts(pl);
 496         else
 497                 GetTeamCounts(NULL);
 498
 499         RandomSelection_Init();
 500
 501         if(TeamSmallerEqThanTeam(1, t, pl))
 502                 t = 1;
 503         if(TeamSmallerEqThanTeam(2, t, pl))
 504                 t = 2;
 505         if(TeamSmallerEqThanTeam(3, t, pl))
 506                 t = 3;
 507         if(TeamSmallerEqThanTeam(4, t, pl))
 508                 t = 4;
 509
 510         // now t is the minimum, or A minimum!
 511         if(t == 1 || TeamSmallerEqThanTeam(1, t, pl))
 512                 RandomSelection_AddFloat(1, 1, 1);
 513         if(t == 2 || TeamSmallerEqThanTeam(2, t, pl))
 514                 RandomSelection_AddFloat(2, 1, 1);
 515         if(t == 3 || TeamSmallerEqThanTeam(3, t, pl))
 516                 RandomSelection_AddFloat(3, 1, 1);
 517         if(t == 4 || TeamSmallerEqThanTeam(4, t, pl))
 518                 RandomSelection_AddFloat(4, 1, 1);
 519
 520         return RandomSelection_chosen_float;
 521 }
 522
 523 int JoinBestTeam(entity this, bool only_return_best, bool forcebestteam)
 524 {
 525         float smallest, selectedteam;
 526
 527         // don't join a team if we're not playing a team game
 528         if(!teamplay)
 529                 return 0;
 530
 531         // find out what teams are available
 532         CheckAllowedTeams(this);
 533
 534         // if we don't care what team he ends up on, put him on whatever team he entered as.
 535         // if he's not on a valid team, then let other code put him on the smallest team
 536         if(!forcebestteam)
 537         {
 538                 if(     c1 >= 0 && this.team == NUM_TEAM_1)
 539                         selectedteam = this.team;
 540                 else if(c2 >= 0 && this.team == NUM_TEAM_2)
 541                         selectedteam = this.team;
 542                 else if(c3 >= 0 && this.team == NUM_TEAM_3)
 543                         selectedteam = this.team;
 544                 else if(c4 >= 0 && this.team == NUM_TEAM_4)
 545                         selectedteam = this.team;
 546                 else
 547                         selectedteam = -1;
 548
 549                 if(selectedteam > 0)
 550                 {
 551                         if(!only_return_best)
 552                         {
 553                                 SetPlayerColors(this, selectedteam - 1);
 554
 555                                 // when JoinBestTeam is called by client.qc/ClientKill_Now_TeamChange the players team is -1 and thus skipped
 556                                 // when JoinBestTeam is called by client.qc/ClientConnect the player_id is 0 the log attempt is rejected
 557                                 LogTeamchange(this.playerid, this.team, 99);
 558                         }
 559                         return selectedteam;
 560                 }
 561                 // otherwise end up on the smallest team (handled below)
 562         }
 563
 564         smallest = FindSmallestTeam(this, true);
 565
 566         if(!only_return_best && !this.bot_forced_team)
 567         {
 568                 TeamchangeFrags(this);
 569                 if(smallest == 1)
 570                 {
 571                         SetPlayerColors(this, NUM_TEAM_1 - 1);
 572                 }
 573                 else if(smallest == 2)
 574                 {
 575                         SetPlayerColors(this, NUM_TEAM_2 - 1);
 576                 }
 577                 else if(smallest == 3)
 578                 {
 579                         SetPlayerColors(this, NUM_TEAM_3 - 1);
 580                 }
 581                 else if(smallest == 4)
 582                 {
 583                         SetPlayerColors(this, NUM_TEAM_4 - 1);
 584                 }
 585                 else
 586                 {
 587                         error("smallest team: invalid team\n");
 588                 }
 589
 590                 LogTeamchange(this.playerid, this.team, 2); // log auto join
 591
 592                 if(!IS_DEAD(this))
 593                         Damage(this, this, this, 100000, DEATH_TEAMCHANGE.m_id, this.origin, '0 0 0');
 594         }
 595
 596         return smallest;
 597 }
 598
 599 //void() ctf_playerchanged;
 600 void SV_ChangeTeam(entity this, float _color)
 601 {
 602         float scolor, dcolor, steam, dteam; //, dbotcount, scount, dcount;
 603
 604         // in normal deathmatch we can just apply the color and we're done
 605         if(!teamplay)
 606                 SetPlayerColors(this, _color);
 607
 608         if(!IS_CLIENT(this))
 609         {
 610                 // since this is an engine function, and gamecode doesn't have any calls earlier than this, do the connecting message here
 611                 Send_Notification(NOTIF_ALL, NULL, MSG_INFO, INFO_CONNECTING, this.netname);
 612                 return;
 613         }
 614
 615         if(!teamplay)
 616                 return;
 617
 618         scolor = this.clientcolors & 0x0F;
 619         dcolor = _color & 0x0F;
 620
 621         if(scolor == NUM_TEAM_1 - 1)
 622                 steam = 1;
 623         else if(scolor == NUM_TEAM_2 - 1)
 624                 steam = 2;
 625         else if(scolor == NUM_TEAM_3 - 1)
 626                 steam = 3;
 627         else // if(scolor == NUM_TEAM_4 - 1)
 628                 steam = 4;
 629         if(dcolor == NUM_TEAM_1 - 1)
 630                 dteam = 1;
 631         else if(dcolor == NUM_TEAM_2 - 1)
 632                 dteam = 2;
 633         else if(dcolor == NUM_TEAM_3 - 1)
 634                 dteam = 3;
 635         else // if(dcolor == NUM_TEAM_4 - 1)
 636                 dteam = 4;
 637
 638         CheckAllowedTeams(this);
 639
 640         if(dteam == 1 && c1 < 0) dteam = 4;
 641         if(dteam == 4 && c4 < 0) dteam = 3;
 642         if(dteam == 3 && c3 < 0) dteam = 2;
 643         if(dteam == 2 && c2 < 0) dteam = 1;
 644
 645         // not changing teams
 646         if(scolor == dcolor)
 647         {
 648                 //bprint("same team change\n");
 649                 SetPlayerTeam(this, dteam, steam, true);
 650                 return;
 651         }
 652
 653         if((autocvar_g_campaign) || (autocvar_g_changeteam_banned && CS(this).wasplayer)) {
 654                 Send_Notification(NOTIF_ONE, this, MSG_INFO, INFO_TEAMCHANGE_NOTALLOWED);
 655                 return; // changing teams is not allowed
 656         }
 657
 658         // autocvar_g_balance_teams_prevent_imbalance only makes sense if autocvar_g_balance_teams is on, as it makes the team selection dialog pointless
 659         if(autocvar_g_balance_teams && autocvar_g_balance_teams_prevent_imbalance)
 660         {
 661                 GetTeamCounts(this);
 662                 if(!TeamSmallerEqThanTeam(dteam, steam, this))
 663                 {
 664                         Send_Notification(NOTIF_ONE, this, MSG_INFO, INFO_TEAMCHANGE_LARGERTEAM);
 665                         return;
 666                 }
 667         }
 668
 669 //      bprint("allow change teams from ", ftos(steam), " to ", ftos(dteam), "\n");
 670
 671         if(IS_PLAYER(this) && steam != dteam)
 672         {
 673                 // reduce frags during a team change
 674                 TeamchangeFrags(this);
 675         }
 676
 677         MUTATOR_CALLHOOK(Player_ChangeTeam, this, steam, dteam);
 678
 679         SetPlayerTeam(this, dteam, steam, !IS_CLIENT(this));
 680
 681         if(IS_PLAYER(this) && steam != dteam)
 682         {
 683                 // kill player when changing teams
 684                 if(!IS_DEAD(this))
 685                         Damage(this, this, this, 100000, DEATH_TEAMCHANGE.m_id, this.origin, '0 0 0');
 686         }
 687 }
 688
 689 void ShufflePlayerOutOfTeam (float source_team)
 690 {
 691         float smallestteam, smallestteam_count, steam;
 692         float lowest_bot_score, lowest_player_score;
 693         entity lowest_bot, lowest_player, selected;
 694
 695         smallestteam = 0;
 696         smallestteam_count = 999999999;
 697
 698         if(c1 >= 0 && c1 < smallestteam_count)
 699         {
 700                 smallestteam = 1;
 701                 smallestteam_count = c1;
 702         }
 703         if(c2 >= 0 && c2 < smallestteam_count)
 704         {
 705                 smallestteam = 2;
 706                 smallestteam_count = c2;
 707         }
 708         if(c3 >= 0 && c3 < smallestteam_count)
 709         {
 710                 smallestteam = 3;
 711                 smallestteam_count = c3;
 712         }
 713         if(c4 >= 0 && c4 < smallestteam_count)
 714         {
 715                 smallestteam = 4;
 716                 smallestteam_count = c4;
 717         }
 718
 719         if(!smallestteam)
 720         {
 721                 bprint("warning: no smallest team\n");
 722                 return;
 723         }
 724
 725         if(source_team == 1)
 726                 steam = NUM_TEAM_1;
 727         else if(source_team == 2)
 728                 steam = NUM_TEAM_2;
 729         else if(source_team == 3)
 730                 steam = NUM_TEAM_3;
 731         else // if(source_team == 4)
 732                 steam = NUM_TEAM_4;
 733
 734         lowest_bot = NULL;
 735         lowest_bot_score = 999999999;
 736         lowest_player = NULL;
 737         lowest_player_score = 999999999;
 738
 739         // find the lowest-scoring player & bot of that team
 740         FOREACH_CLIENT(IS_PLAYER(it) && it.team == steam, LAMBDA(
 741                 if(it.isbot)
 742                 {
 743                         if(it.totalfrags < lowest_bot_score)
 744                         {
 745                                 lowest_bot = it;
 746                                 lowest_bot_score = it.totalfrags;
 747                         }
 748                 }
 749                 else
 750                 {
 751                         if(it.totalfrags < lowest_player_score)
 752                         {
 753                                 lowest_player = it;
 754                                 lowest_player_score = it.totalfrags;
 755                         }
 756                 }
 757         ));
 758
 759         // prefers to move a bot...
 760         if(lowest_bot != NULL)
 761                 selected = lowest_bot;
 762         // but it will move a player if it has to
 763         else
 764                 selected = lowest_player;
 765         // don't do anything if it couldn't find anyone
 766         if(!selected)
 767         {
 768                 bprint("warning: couldn't find a player to move from team\n");
 769                 return;
 770         }
 771
 772         // smallest team gains a member
 773         if(smallestteam == 1)
 774         {
 775                 c1 = c1 + 1;
 776         }
 777         else if(smallestteam == 2)
 778         {
 779                 c2 = c2 + 1;
 780         }
 781         else if(smallestteam == 3)
 782         {
 783                 c3 = c3 + 1;
 784         }
 785         else if(smallestteam == 4)
 786         {
 787                 c4 = c4 + 1;
 788         }
 789         else
 790         {
 791                 bprint("warning: destination team invalid\n");
 792                 return;
 793         }
 794         // source team loses a member
 795         if(source_team == 1)
 796         {
 797                 c1 = c1 + 1;
 798         }
 799         else if(source_team == 2)
 800         {
 801                 c2 = c2 + 2;
 802         }
 803         else if(source_team == 3)
 804         {
 805                 c3 = c3 + 3;
 806         }
 807         else if(source_team == 4)
 808         {
 809                 c4 = c4 + 4;
 810         }
 811         else
 812         {
 813                 bprint("warning: source team invalid\n");
 814                 return;
 815         }
 816
 817         // move the player to the new team
 818         TeamchangeFrags(selected);
 819         SetPlayerTeam(selected, smallestteam, source_team, false);
 820
 821         if(!IS_DEAD(selected))
 822                 Damage(selected, selected, selected, 100000, DEATH_AUTOTEAMCHANGE.m_id, selected.origin, '0 0 0');
 823         Send_Notification(NOTIF_ONE, selected, MSG_CENTER, CENTER_DEATH_SELF_AUTOTEAMCHANGE, selected.team);
 824 }