qcsrc/server/teamplay.qc

   1 #include "teamplay.qh"
   2 #include "_all.qh"
   3
   4 #include "cl_client.qh"
   5 #include "race.qh"
   6 #include "scores.qh"
   7 #include "scores_rules.qh"
   8
   9 #include "bot/bot.qh"
  10
  11 #include "command/vote.qh"
  12
  13 #include "mutators/mutators_include.qh"
  14
  15 #include "../common/deathtypes.qh"
  16 #include "../common/teams.qh"
  17
  18 void TeamchangeFrags(entity e)
  19 {
  20         PlayerScore_Clear(e);
  21 }
  22
  23 void LogTeamchange(float player_id, float team_number, float type)
  24 {
  25         if(!autocvar_sv_eventlog)
  26                 return;
  27
  28         if(player_id < 1)
  29                 return;
  30
  31         GameLogEcho(strcat(":team:", ftos(player_id), ":", ftos(team_number), ":", ftos(type)));
  32 }
  33
  34 void default_delayedinit()
  35 {
  36         if(!scores_initialized)
  37                 ScoreRules_generic();
  38 }
  39
  40 void ActivateTeamplay()
  41 {
  42         serverflags |= SERVERFLAG_TEAMPLAY;
  43         teamplay = 1;
  44         cvar_set("teamplay", "2");  // DP needs this for sending proper getstatus replies.
  45 }
  46
  47 void InitGameplayMode()
  48 {
  49         float fraglimit_override, timelimit_override, leadlimit_override, qualifying_override;
  50
  51         qualifying_override = -1;
  52
  53         VoteReset();
  54
  55         // find out good world mins/maxs bounds, either the static bounds found by looking for solid, or the mapinfo specified bounds
  56         get_mi_min_max(1);
  57         world.mins = mi_min;
  58         world.maxs = mi_max;
  59
  60         MapInfo_LoadMapSettings(mapname);
  61         serverflags &= ~SERVERFLAG_TEAMPLAY;
  62         teamplay = 0;
  63         cvar_set("teamplay", "0");  // DP needs this for sending proper getstatus replies.
  64
  65         if (!cvar_value_issafe(world.fog))
  66         {
  67                 LOG_INFO("The current map contains a potentially harmful fog setting, ignored\n");
  68                 world.fog = string_null;
  69         }
  70         if(MapInfo_Map_fog != "")
  71                 if(MapInfo_Map_fog == "none")
  72                         world.fog = string_null;
  73                 else
  74                         world.fog = strzone(MapInfo_Map_fog);
  75         clientstuff = strzone(MapInfo_Map_clientstuff);
  76
  77         MapInfo_ClearTemps();
  78
  79         // set both here, gamemode can override it later
  80         timelimit_override = autocvar_timelimit_override;
  81         fraglimit_override = autocvar_fraglimit_override;
  82         leadlimit_override = autocvar_leadlimit_override;
  83         gamemode_name = MapInfo_Type_ToText(MapInfo_LoadedGametype);
  84
  85         if(g_dm)
  86         {
  87                 MUTATOR_ADD(gamemode_deathmatch);
  88         }
  89
  90         if(g_tdm)
  91         {
  92                 ActivateTeamplay();
  93                 fraglimit_override = autocvar_g_tdm_point_limit;
  94                 leadlimit_override = autocvar_g_tdm_point_leadlimit;
  95                 if(autocvar_g_tdm_team_spawns)
  96                         have_team_spawns = -1; // request team spawns
  97                 MUTATOR_ADD(gamemode_tdm);
  98         }
  99
 100         if(g_domination)
 101         {
 102                 ActivateTeamplay();
 103                 fraglimit_override = autocvar_g_domination_point_limit;
 104                 leadlimit_override = autocvar_g_domination_point_leadlimit;
 105                 if(autocvar_g_domination_roundbased && autocvar_g_domination_roundbased_point_limit)
 106                         fraglimit_override = autocvar_g_domination_roundbased_point_limit;
 107                 have_team_spawns = -1; // request team spawns
 108                 MUTATOR_ADD(gamemode_domination);
 109         }
 110
 111         if(g_ctf)
 112         {
 113                 ActivateTeamplay();
 114                 fraglimit_override = autocvar_capturelimit_override;
 115                 leadlimit_override = autocvar_captureleadlimit_override;
 116                 have_team_spawns = -1; // request team spawns
 117                 MUTATOR_ADD(gamemode_ctf);
 118         }
 119
 120         if(g_lms)
 121         {
 122                 fraglimit_override = autocvar_g_lms_lives_override;
 123                 leadlimit_override = 0; // not supported by LMS
 124                 if(fraglimit_override == 0)
 125                         fraglimit_override = -1;
 126                 MUTATOR_ADD(gamemode_lms);
 127         }
 128
 129         if(g_ca)
 130         {
 131                 ActivateTeamplay();
 132                 fraglimit_override = autocvar_g_ca_point_limit;
 133                 leadlimit_override = autocvar_g_ca_point_leadlimit;
 134                 if(autocvar_g_ca_team_spawns)
 135                         have_team_spawns = -1; // request team spawns
 136                 MUTATOR_ADD(gamemode_ca);
 137         }
 138
 139         if(g_keyhunt)
 140         {
 141                 ActivateTeamplay();
 142                 fraglimit_override = autocvar_g_keyhunt_point_limit;
 143                 leadlimit_override = autocvar_g_keyhunt_point_leadlimit;
 144                 if(autocvar_g_keyhunt_team_spawns)
 145                         have_team_spawns = -1; // request team spawns
 146                 MUTATOR_ADD(gamemode_keyhunt);
 147         }
 148
 149         if(g_freezetag)
 150         {
 151                 ActivateTeamplay();
 152                 fraglimit_override = autocvar_g_freezetag_point_limit;
 153                 leadlimit_override = autocvar_g_freezetag_point_leadlimit;
 154                 if(autocvar_g_freezetag_team_spawns)
 155                         have_team_spawns = -1; // request team spawns
 156                 MUTATOR_ADD(gamemode_freezetag);
 157         }
 158
 159         if(g_assault)
 160         {
 161                 ActivateTeamplay();
 162                 have_team_spawns = -1; // request team spawns
 163                 MUTATOR_ADD(gamemode_assault);
 164         }
 165
 166         if(g_onslaught)
 167         {
 168                 ActivateTeamplay();
 169                 fraglimit_override = autocvar_g_onslaught_point_limit;
 170                 have_team_spawns = -1; // request team spawns
 171                 MUTATOR_ADD(gamemode_onslaught);
 172         }
 173
 174         if(g_race)
 175         {
 176                 if(autocvar_g_race_teams)
 177                 {
 178                         ActivateTeamplay();
 179                         race_teams = bound(2, autocvar_g_race_teams, 4);
 180                         have_team_spawns = -1; // request team spawns
 181                 }
 182                 else
 183                         race_teams = 0;
 184                 qualifying_override = autocvar_g_race_qualifying_timelimit_override;
 185                 fraglimit_override = autocvar_g_race_laps_limit;
 186                 leadlimit_override = 0; // currently not supported by race
 187
 188                 // we need to find out the correct value for g_race_qualifying
 189                 float want_qualifying = ((qualifying_override >= 0) ? qualifying_override : autocvar_g_race_qualifying_timelimit) > 0;
 190
 191                 if(autocvar_g_campaign)
 192                 {
 193                         g_race_qualifying = 1;
 194                         independent_players = 1;
 195                 }
 196                 else if(!autocvar_g_campaign && want_qualifying)
 197                 {
 198                         g_race_qualifying = 2;
 199                         independent_players = 1;
 200                         race_fraglimit = (race_fraglimit >= 0) ? fraglimit_override : autocvar_fraglimit;
 201                         race_leadlimit = (race_leadlimit >= 0) ? leadlimit_override : autocvar_leadlimit;
 202                         race_timelimit = (race_timelimit >= 0) ? timelimit_override : autocvar_timelimit;
 203                         fraglimit_override = 0;
 204                         leadlimit_override = 0;
 205                         timelimit_override = autocvar_g_race_qualifying_timelimit;
 206                 }
 207                 else
 208                 {
 209                         g_race_qualifying = 0;
 210                 }
 211
 212                 MUTATOR_ADD(gamemode_race);
 213         }
 214
 215         if(g_cts)
 216         {
 217                 g_race_qualifying = 1;
 218                 fraglimit_override = 0;
 219                 leadlimit_override = 0;
 220                 independent_players = 1;
 221                 MUTATOR_ADD(gamemode_cts);
 222         }
 223
 224         if(g_nexball)
 225         {
 226                 fraglimit_override = autocvar_g_nexball_goallimit;
 227                 leadlimit_override = autocvar_g_nexball_goalleadlimit;
 228                 ActivateTeamplay();
 229                 have_team_spawns = -1; // request team spawns
 230                 MUTATOR_ADD(gamemode_nexball);
 231         }
 232
 233         if(g_keepaway)
 234         {
 235                 MUTATOR_ADD(gamemode_keepaway);
 236         }
 237
 238         if(g_invasion)
 239         {
 240                 fraglimit_override = autocvar_g_invasion_point_limit;
 241                 if(autocvar_g_invasion_teams >= 2)
 242                 {
 243                         ActivateTeamplay();
 244                         if(autocvar_g_invasion_team_spawns)
 245                                 have_team_spawns = -1; // request team spawns
 246                 }
 247                 MUTATOR_ADD(gamemode_invasion);
 248         }
 249
 250         if(teamplay)
 251                 entcs_init();
 252
 253         cache_mutatormsg = strzone("");
 254         cache_lastmutatormsg = strzone("");
 255
 256         // enforce the server's universal frag/time limits
 257         if(!autocvar_g_campaign)
 258         {
 259                 if(fraglimit_override >= 0)
 260                         cvar_set("fraglimit", ftos(fraglimit_override));
 261                 if(timelimit_override >= 0)
 262                         cvar_set("timelimit", ftos(timelimit_override));
 263                 if(leadlimit_override >= 0)
 264                         cvar_set("leadlimit", ftos(leadlimit_override));
 265                 if(qualifying_override >= 0)
 266                         cvar_set("g_race_qualifying_timelimit", ftos(qualifying_override));
 267         }
 268
 269         InitializeEntity(world, default_delayedinit, INITPRIO_GAMETYPE_FALLBACK);
 270 }
 271
 272 string GetClientVersionMessage()
 273 {SELFPARAM();
 274         string versionmsg;
 275         if (self.version_mismatch) {
 276                 if(self.version < autocvar_gameversion) {
 277                         versionmsg = "^3Your client version is outdated.\n\n\n### YOU WON'T BE ABLE TO PLAY ON THIS SERVER ###\n\n\nPlease update!!!^8";
 278                 } else {
 279                         versionmsg = "^3This server is using an outdated Xonotic version.\n\n\n ### THIS SERVER IS INCOMPATIBLE AND THUS YOU CANNOT JOIN ###.^8";
 280                 }
 281         } else {
 282                 versionmsg = "^2client version and server version are compatible.^8";
 283         }
 284         return versionmsg;
 285 }
 286
 287 string getwelcomemessage(void)
 288 {
 289         string s, modifications, motd;
 290
 291         MUTATOR_CALLHOOK(BuildMutatorsPrettyString, "");
 292         modifications = ret_string;
 293
 294         if(g_weaponarena)
 295         {
 296                 if(g_weaponarena_random)
 297                         modifications = strcat(modifications, ", ", ftos(g_weaponarena_random), " of ", g_weaponarena_list, " Arena");
 298                 else
 299                         modifications = strcat(modifications, ", ", g_weaponarena_list, " Arena");
 300         }
 301         else if(cvar("g_balance_blaster_weaponstart") == 0)
 302                 modifications = strcat(modifications, ", No start weapons");
 303         if(cvar("sv_gravity") < stof(cvar_defstring("sv_gravity")))
 304                 modifications = strcat(modifications, ", Low gravity");
 305         if(g_cloaked && !g_cts)
 306                 modifications = strcat(modifications, ", Cloaked");
 307         if(g_grappling_hook)
 308                 modifications = strcat(modifications, ", Hook");
 309         if(g_weapon_stay && !g_cts)
 310                 modifications = strcat(modifications, ", Weapons stay");
 311         if(g_jetpack)
 312                 modifications = strcat(modifications, ", Jet pack");
 313         if(autocvar_g_powerups == 0)
 314                 modifications = strcat(modifications, ", No powerups");
 315         if(autocvar_g_powerups > 0)
 316                 modifications = strcat(modifications, ", Powerups");
 317         modifications = substring(modifications, 2, strlen(modifications) - 2);
 318
 319         string versionmessage;
 320         versionmessage = GetClientVersionMessage();
 321
 322         s = strcat("This is Xonotic ", autocvar_g_xonoticversion, "\n", versionmessage);
 323         s = strcat(s, "^8\n\nmatch type is ^1", gamemode_name, "^8\n");
 324
 325         if(modifications != "")
 326                 s = strcat(s, "^8\nactive modifications: ^3", modifications, "^8\n");
 327
 328         if (g_grappling_hook)
 329                 s = strcat(s, "\n\n^3grappling hook^8 is enabled, press 'e' to use it\n");
 330
 331         if (cvar("g_nades"))
 332                 s = strcat(s, "\n\n^3nades^8 are enabled, press 'g' to use them\n");
 333
 334         if(cache_lastmutatormsg != autocvar_g_mutatormsg)
 335         {
 336                 if(cache_lastmutatormsg)
 337                         strunzone(cache_lastmutatormsg);
 338                 if(cache_mutatormsg)
 339                         strunzone(cache_mutatormsg);
 340                 cache_lastmutatormsg = strzone(autocvar_g_mutatormsg);
 341                 cache_mutatormsg = strzone(cache_lastmutatormsg);
 342         }
 343
 344         if (cache_mutatormsg != "") {
 345                 s = strcat(s, "\n\n^8special gameplay tips: ^7", cache_mutatormsg);
 346         }
 347
 348         string mutator_msg = "";
 349         MUTATOR_CALLHOOK(BuildGameplayTipsString, mutator_msg);
 350         mutator_msg = ret_string;
 351
 352         s = strcat(s, mutator_msg); // trust that the mutator will do proper formatting
 353
 354         motd = autocvar_sv_motd;
 355         if (motd != "") {
 356                 s = strcat(s, "\n\n^8MOTD: ^7", strreplace("\\n", "\n", motd));
 357         }
 358         return s;
 359 }
 360
 361 void SetPlayerColors(entity pl, float _color)
 362 {
 363         /*string s;
 364         s = ftos(cl);
 365         stuffcmd(pl, strcat("color ", s, " ", s, "\n")  );
 366         pl.team = cl + 1;
 367         //pl.clientcolors = pl.clientcolors - (pl.clientcolors & 15) + cl;
 368         pl.clientcolors = 16*cl + cl;*/
 369
 370         float pants, shirt;
 371         pants = _color & 0x0F;
 372         shirt = _color & 0xF0;
 373
 374
 375         if(teamplay) {
 376                 setcolor(pl, 16*pants + pants);
 377         } else {
 378                 setcolor(pl, shirt + pants);
 379         }
 380 }
 381
 382 void SetPlayerTeam(entity pl, float t, float s, float noprint)
 383 {
 384         float _color;
 385
 386         if(t == 4)
 387                 _color = NUM_TEAM_4 - 1;
 388         else if(t == 3)
 389                 _color = NUM_TEAM_3 - 1;
 390         else if(t == 2)
 391                 _color = NUM_TEAM_2 - 1;
 392         else
 393                 _color = NUM_TEAM_1 - 1;
 394
 395         SetPlayerColors(pl,_color);
 396
 397         if(t != s) {
 398                 LogTeamchange(pl.playerid, pl.team, 3);  // log manual team join
 399
 400                 if(!noprint)
 401                 bprint(pl.netname, "^7 has changed from ", Team_NumberToColoredFullName(s), "^7 to ", Team_NumberToColoredFullName(t), "\n");
 402         }
 403
 404 }
 405
 406 // set c1...c4 to show what teams are allowed
 407 void CheckAllowedTeams (entity for_whom)
 408 {SELFPARAM();
 409         float dm;
 410         entity head;
 411         string teament_name;
 412
 413         c1 = c2 = c3 = c4 = -1;
 414         cb1 = cb2 = cb3 = cb4 = 0;
 415
 416         teament_name = string_null;
 417         if(g_onslaught)
 418         {
 419                 // onslaught is special
 420                 head = findchain(classname, "onslaught_generator");
 421                 while (head)
 422                 {
 423                         if (head.team == NUM_TEAM_1) c1 = 0;
 424                         if (head.team == NUM_TEAM_2) c2 = 0;
 425                         if (head.team == NUM_TEAM_3) c3 = 0;
 426                         if (head.team == NUM_TEAM_4) c4 = 0;
 427                         head = head.chain;
 428                 }
 429         }
 430         else if(g_domination)
 431                 teament_name = "dom_team";
 432         else if(g_ctf)
 433                 teament_name = "ctf_team";
 434         else if(g_tdm)
 435                 teament_name = "tdm_team";
 436         else if(g_nexball)
 437                 teament_name = "nexball_team";
 438         else if(g_assault)
 439                 c1 = c2 = 0; // Assault always has 2 teams
 440         else
 441         {
 442                 // cover anything else by treating it like tdm with no teams spawned
 443                 dm = 2;
 444
 445                 MUTATOR_CALLHOOK(GetTeamCount, dm);
 446                 dm = ret_float;
 447
 448                 if(dm >= 4)
 449                         c1 = c2 = c3 = c4 = 0;
 450                 else if(dm >= 3)
 451                         c1 = c2 = c3 = 0;
 452                 else
 453                         c1 = c2 = 0;
 454         }
 455
 456         // find out what teams are allowed if necessary
 457         if(teament_name)
 458         {
 459                 head = find(world, classname, teament_name);
 460                 while(head)
 461                 {
 462                         if(!(g_domination && head.netname == ""))
 463                         {
 464                                 if(head.team == NUM_TEAM_1)
 465                                         c1 = 0;
 466                                 else if(head.team == NUM_TEAM_2)
 467                                         c2 = 0;
 468                                 else if(head.team == NUM_TEAM_3)
 469                                         c3 = 0;
 470                                 else if(head.team == NUM_TEAM_4)
 471                                         c4 = 0;
 472                         }
 473                         head = find(head, classname, teament_name);
 474                 }
 475         }
 476
 477         // TODO: Balance quantity of bots across > 2 teams when bot_vs_human is set (and remove next line)
 478         if(c3==-1 && c4==-1)
 479         if(autocvar_bot_vs_human && for_whom)
 480         {
 481                 if(autocvar_bot_vs_human > 0)
 482                 {
 483                         // bots are all blue
 484                         if(IS_BOT_CLIENT(for_whom))
 485                                 c1 = c3 = c4 = -1;
 486                         else
 487                                 c2 = -1;
 488                 }
 489                 else
 490                 {
 491                         // bots are all red
 492                         if(IS_BOT_CLIENT(for_whom))
 493                                 c2 = c3 = c4 = -1;
 494                         else
 495                                 c1 = -1;
 496                 }
 497         }
 498
 499         // if player has a forced team, ONLY allow that one
 500         if(self.team_forced == NUM_TEAM_1 && c1 >= 0)
 501                 c2 = c3 = c4 = -1;
 502         else if(self.team_forced == NUM_TEAM_2 && c2 >= 0)
 503                 c1 = c3 = c4 = -1;
 504         else if(self.team_forced == NUM_TEAM_3 && c3 >= 0)
 505                 c1 = c2 = c4 = -1;
 506         else if(self.team_forced == NUM_TEAM_4 && c4 >= 0)
 507                 c1 = c2 = c3 = -1;
 508 }
 509
 510 float PlayerValue(entity p)
 511 {
 512         return 1;
 513         // FIXME: it always returns 1...
 514 }
 515
 516 // c1...c4 should be set to -1 (not allowed) or 0 (allowed).
 517 // teams that are allowed will now have their player counts stored in c1...c4
 518 void GetTeamCounts(entity ignore)
 519 {
 520         entity head;
 521         float value, bvalue;
 522         // now count how many players are on each team already
 523
 524         // FIXME: also find and memorize the lowest-scoring bot on each team (in case players must be shuffled around)
 525         // also remember the lowest-scoring player
 526
 527         FOR_EACH_CLIENT(head)
 528         {
 529                 float t;
 530                 if(IS_PLAYER(head) || head.caplayer)
 531                         t = head.team;
 532                 else if(head.team_forced > 0)
 533                         t = head.team_forced; // reserve the spot
 534                 else
 535                         continue;
 536                 if(head != ignore)// && head.netname != "")
 537                 {
 538                         value = PlayerValue(head);
 539                         if(IS_BOT_CLIENT(head))
 540                                 bvalue = value;
 541                         else
 542                                 bvalue = 0;
 543                         if(t == NUM_TEAM_1)
 544                         {
 545                                 if(c1 >= 0)
 546                                 {
 547                                         c1 = c1 + value;
 548                                         cb1 = cb1 + bvalue;
 549                                 }
 550                         }
 551                         if(t == NUM_TEAM_2)
 552                         {
 553                                 if(c2 >= 0)
 554                                 {
 555                                         c2 = c2 + value;
 556                                         cb2 = cb2 + bvalue;
 557                                 }
 558                         }
 559                         if(t == NUM_TEAM_3)
 560                         {
 561                                 if(c3 >= 0)
 562                                 {
 563                                         c3 = c3 + value;
 564                                         cb3 = cb3 + bvalue;
 565                                 }
 566                         }
 567                         if(t == NUM_TEAM_4)
 568                         {
 569                                 if(c4 >= 0)
 570                                 {
 571                                         c4 = c4 + value;
 572                                         cb4 = cb4 + bvalue;
 573                                 }
 574                         }
 575                 }
 576         }
 577
 578         // if the player who has a forced team has not joined yet, reserve the spot
 579         if(autocvar_g_campaign)
 580         {
 581                 switch(autocvar_g_campaign_forceteam)
 582                 {
 583                         case 1: if(c1 == cb1) ++c1; break;
 584                         case 2: if(c2 == cb2) ++c2; break;
 585                         case 3: if(c3 == cb3) ++c3; break;
 586                         case 4: if(c4 == cb4) ++c4; break;
 587                 }
 588         }
 589 }
 590
 591 float TeamSmallerEqThanTeam(float ta, float tb, entity e)
 592 {
 593         // we assume that CheckAllowedTeams and GetTeamCounts have already been called
 594         float f;
 595         float ca = -1, cb = -1, cba = 0, cbb = 0, sa = 0, sb = 0;
 596
 597         switch(ta)
 598         {
 599                 case 1: ca = c1; cba = cb1; sa = team1_score; break;
 600                 case 2: ca = c2; cba = cb2; sa = team2_score; break;
 601                 case 3: ca = c3; cba = cb3; sa = team3_score; break;
 602                 case 4: ca = c4; cba = cb4; sa = team4_score; break;
 603         }
 604         switch(tb)
 605         {
 606                 case 1: cb = c1; cbb = cb1; sb = team1_score; break;
 607                 case 2: cb = c2; cbb = cb2; sb = team2_score; break;
 608                 case 3: cb = c3; cbb = cb3; sb = team3_score; break;
 609                 case 4: cb = c4; cbb = cb4; sb = team4_score; break;
 610         }
 611
 612         // invalid
 613         if(ca < 0 || cb < 0)
 614                 return false;
 615
 616         // equal
 617         if(ta == tb)
 618                 return true;
 619
 620         if(IS_REAL_CLIENT(e))
 621         {
 622                 if(bots_would_leave)
 623                 {
 624                         ca -= cba * 0.999;
 625                         cb -= cbb * 0.999;
 626                 }
 627         }
 628
 629         // keep teams alive (teams of size 0 always count as smaller, ignoring score)
 630         if(ca < 1)
 631                 if(cb >= 1)
 632                         return true;
 633         if(ca >= 1)
 634                 if(cb < 1)
 635                         return false;
 636
 637         // first, normalize
 638         f = max(ca, cb, 1);
 639         ca /= f;
 640         cb /= f;
 641         f = max(sa, sb, 1);
 642         sa /= f;
 643         sb /= f;
 644
 645         // the more we're at the end of the match, the more take scores into account
 646         f = bound(0, game_completion_ratio * autocvar_g_balance_teams_scorefactor, 1);
 647         ca += (sa - ca) * f;
 648         cb += (sb - cb) * f;
 649
 650         return ca <= cb;
 651 }
 652
 653 // returns # of smallest team (1, 2, 3, 4)
 654 // NOTE: Assumes CheckAllowedTeams has already been called!
 655 float FindSmallestTeam(entity pl, float ignore_pl)
 656 {
 657         float totalteams, t;
 658         totalteams = 0;
 659
 660         // find out what teams are available
 661         //CheckAllowedTeams();
 662
 663         // make sure there are at least 2 teams to join
 664         if(c1 >= 0)
 665                 totalteams = totalteams + 1;
 666         if(c2 >= 0)
 667                 totalteams = totalteams + 1;
 668         if(c3 >= 0)
 669                 totalteams = totalteams + 1;
 670         if(c4 >= 0)
 671                 totalteams = totalteams + 1;
 672
 673         if((autocvar_bot_vs_human || pl.team_forced > 0) && totalteams == 1)
 674                 totalteams += 1;
 675
 676         if(totalteams <= 1)
 677         {
 678                 if(autocvar_g_campaign && pl && IS_REAL_CLIENT(pl))
 679                         return 1; // special case for campaign and player joining
 680                 else
 681                         error(sprintf("Too few teams available for %s\n", MapInfo_Type_ToString(MapInfo_CurrentGametype())));
 682         }
 683
 684         // count how many players are in each team
 685         if(ignore_pl)
 686                 GetTeamCounts(pl);
 687         else
 688                 GetTeamCounts(world);
 689
 690         RandomSelection_Init();
 691
 692         t = 1;
 693         if(TeamSmallerEqThanTeam(2, t, pl))
 694                 t = 2;
 695         if(TeamSmallerEqThanTeam(3, t, pl))
 696                 t = 3;
 697         if(TeamSmallerEqThanTeam(4, t, pl))
 698                 t = 4;
 699
 700         // now t is the minimum, or A minimum!
 701         if(t == 1 || TeamSmallerEqThanTeam(1, t, pl))
 702                 RandomSelection_Add(world, 1, string_null, 1, 1);
 703         if(t == 2 || TeamSmallerEqThanTeam(2, t, pl))
 704                 RandomSelection_Add(world, 2, string_null, 1, 1);
 705         if(t == 3 || TeamSmallerEqThanTeam(3, t, pl))
 706                 RandomSelection_Add(world, 3, string_null, 1, 1);
 707         if(t == 4 || TeamSmallerEqThanTeam(4, t, pl))
 708                 RandomSelection_Add(world, 4, string_null, 1, 1);
 709
 710         return RandomSelection_chosen_float;
 711 }
 712
 713 float JoinBestTeam(entity pl, float only_return_best, float forcebestteam)
 714 {SELFPARAM();
 715         float smallest, selectedteam;
 716
 717         // don't join a team if we're not playing a team game
 718         if(!teamplay)
 719                 return 0;
 720
 721         // find out what teams are available
 722         CheckAllowedTeams(pl);
 723
 724         // if we don't care what team he ends up on, put him on whatever team he entered as.
 725         // if he's not on a valid team, then let other code put him on the smallest team
 726         if(!forcebestteam)
 727         {
 728                 if(     c1 >= 0 && pl.team == NUM_TEAM_1)
 729                         selectedteam = pl.team;
 730                 else if(c2 >= 0 && pl.team == NUM_TEAM_2)
 731                         selectedteam = pl.team;
 732                 else if(c3 >= 0 && pl.team == NUM_TEAM_3)
 733                         selectedteam = pl.team;
 734                 else if(c4 >= 0 && pl.team == NUM_TEAM_4)
 735                         selectedteam = pl.team;
 736                 else
 737                         selectedteam = -1;
 738
 739                 if(selectedteam > 0)
 740                 {
 741                         if(!only_return_best)
 742                         {
 743                                 SetPlayerColors(pl, selectedteam - 1);
 744
 745                                 // when JoinBestTeam is called by client.qc/ClientKill_Now_TeamChange the players team is -1 and thus skipped
 746                                 // when JoinBestTeam is called by cl_client.qc/ClientConnect the player_id is 0 the log attempt is rejected
 747                                 LogTeamchange(pl.playerid, pl.team, 99);
 748                         }
 749                         return selectedteam;
 750                 }
 751                 // otherwise end up on the smallest team (handled below)
 752         }
 753
 754         smallest = FindSmallestTeam(pl, true);
 755
 756         if(!only_return_best && !pl.bot_forced_team)
 757         {
 758                 TeamchangeFrags(self);
 759                 if(smallest == 1)
 760                 {
 761                         SetPlayerColors(pl, NUM_TEAM_1 - 1);
 762                 }
 763                 else if(smallest == 2)
 764                 {
 765                         SetPlayerColors(pl, NUM_TEAM_2 - 1);
 766                 }
 767                 else if(smallest == 3)
 768                 {
 769                         SetPlayerColors(pl, NUM_TEAM_3 - 1);
 770                 }
 771                 else if(smallest == 4)
 772                 {
 773                         SetPlayerColors(pl, NUM_TEAM_4 - 1);
 774                 }
 775                 else
 776                 {
 777                         error("smallest team: invalid team\n");
 778                 }
 779
 780                 LogTeamchange(pl.playerid, pl.team, 2); // log auto join
 781
 782                 if(pl.deadflag == DEAD_NO)
 783                         Damage(pl, pl, pl, 100000, DEATH_TEAMCHANGE, pl.origin, '0 0 0');
 784         }
 785
 786         return smallest;
 787 }
 788
 789 //void() ctf_playerchanged;
 790 void SV_ChangeTeam(float _color)
 791 {SELFPARAM();
 792         float scolor, dcolor, steam, dteam; //, dbotcount, scount, dcount;
 793
 794         // in normal deathmatch we can just apply the color and we're done
 795         if(!teamplay) {
 796                 SetPlayerColors(self, _color);
 797                 return;
 798         }
 799
 800         scolor = self.clientcolors & 0x0F;
 801         dcolor = _color & 0x0F;
 802
 803         if(scolor == NUM_TEAM_1 - 1)
 804                 steam = 1;
 805         else if(scolor == NUM_TEAM_2 - 1)
 806                 steam = 2;
 807         else if(scolor == NUM_TEAM_3 - 1)
 808                 steam = 3;
 809         else // if(scolor == NUM_TEAM_4 - 1)
 810                 steam = 4;
 811         if(dcolor == NUM_TEAM_1 - 1)
 812                 dteam = 1;
 813         else if(dcolor == NUM_TEAM_2 - 1)
 814                 dteam = 2;
 815         else if(dcolor == NUM_TEAM_3 - 1)
 816                 dteam = 3;
 817         else // if(dcolor == NUM_TEAM_4 - 1)
 818                 dteam = 4;
 819
 820         CheckAllowedTeams(self);
 821
 822         if(dteam == 1 && c1 < 0) dteam = 4;
 823         if(dteam == 4 && c4 < 0) dteam = 3;
 824         if(dteam == 3 && c3 < 0) dteam = 2;
 825         if(dteam == 2 && c2 < 0) dteam = 1;
 826
 827         // not changing teams
 828         if(scolor == dcolor)
 829         {
 830                 //bprint("same team change\n");
 831                 SetPlayerTeam(self, dteam, steam, true);
 832                 return;
 833         }
 834
 835         if((autocvar_g_campaign) || (autocvar_g_changeteam_banned && self.wasplayer)) {
 836                 Send_Notification(NOTIF_ONE, self, MSG_INFO, INFO_TEAMCHANGE_NOTALLOWED);
 837                 return; // changing teams is not allowed
 838         }
 839
 840         // autocvar_g_balance_teams_prevent_imbalance only makes sense if autocvar_g_balance_teams is on, as it makes the team selection dialog pointless
 841         if(autocvar_g_balance_teams && autocvar_g_balance_teams_prevent_imbalance)
 842         {
 843                 GetTeamCounts(self);
 844                 if(!TeamSmallerEqThanTeam(dteam, steam, self))
 845                 {
 846                         Send_Notification(NOTIF_ONE, self, MSG_INFO, INFO_TEAMCHANGE_LARGERTEAM);
 847                         return;
 848                 }
 849         }
 850
 851 //      bprint("allow change teams from ", ftos(steam), " to ", ftos(dteam), "\n");
 852
 853         if(IS_PLAYER(self) && steam != dteam)
 854         {
 855                 // reduce frags during a team change
 856                 TeamchangeFrags(self);
 857         }
 858
 859         // since this is an engine function, and gamecode doesn't have any calls earlier than this, do the connecting message here
 860         if(!IS_CLIENT(self))
 861                 Send_Notification(NOTIF_ONE, self, MSG_INFO, INFO_CONNECTING, self.netname);
 862
 863         SetPlayerTeam(self, dteam, steam, !IS_CLIENT(self));
 864
 865         if(IS_PLAYER(self) && steam != dteam)
 866         {
 867                 // kill player when changing teams
 868                 if(self.deadflag == DEAD_NO)
 869                         Damage(self, self, self, 100000, DEATH_TEAMCHANGE, self.origin, '0 0 0');
 870         }
 871 }
 872
 873 void ShufflePlayerOutOfTeam (float source_team)
 874 {
 875         float smallestteam, smallestteam_count, steam;
 876         float lowest_bot_score, lowest_player_score;
 877         entity head, lowest_bot, lowest_player, selected;
 878
 879         smallestteam = 0;
 880         smallestteam_count = 999999999;
 881
 882         if(c1 >= 0 && c1 < smallestteam_count)
 883         {
 884                 smallestteam = 1;
 885                 smallestteam_count = c1;
 886         }
 887         if(c2 >= 0 && c2 < smallestteam_count)
 888         {
 889                 smallestteam = 2;
 890                 smallestteam_count = c2;
 891         }
 892         if(c3 >= 0 && c3 < smallestteam_count)
 893         {
 894                 smallestteam = 3;
 895                 smallestteam_count = c3;
 896         }
 897         if(c4 >= 0 && c4 < smallestteam_count)
 898         {
 899                 smallestteam = 4;
 900                 smallestteam_count = c4;
 901         }
 902
 903         if(!smallestteam)
 904         {
 905                 bprint("warning: no smallest team\n");
 906                 return;
 907         }
 908
 909         if(source_team == 1)
 910                 steam = NUM_TEAM_1;
 911         else if(source_team == 2)
 912                 steam = NUM_TEAM_2;
 913         else if(source_team == 3)
 914                 steam = NUM_TEAM_3;
 915         else // if(source_team == 4)
 916                 steam = NUM_TEAM_4;
 917
 918         lowest_bot = world;
 919         lowest_bot_score = 999999999;
 920         lowest_player = world;
 921         lowest_player_score = 999999999;
 922
 923         // find the lowest-scoring player & bot of that team
 924         FOR_EACH_PLAYER(head)
 925         {
 926                 if(head.team == steam)
 927                 {
 928                         if(head.isbot)
 929                         {
 930                                 if(head.totalfrags < lowest_bot_score)
 931                                 {
 932                                         lowest_bot = head;
 933                                         lowest_bot_score = head.totalfrags;
 934                                 }
 935                         }
 936                         else
 937                         {
 938                                 if(head.totalfrags < lowest_player_score)
 939                                 {
 940                                         lowest_player = head;
 941                                         lowest_player_score = head.totalfrags;
 942                                 }
 943                         }
 944                 }
 945         }
 946
 947         // prefers to move a bot...
 948         if(lowest_bot != world)
 949                 selected = lowest_bot;
 950         // but it will move a player if it has to
 951         else
 952                 selected = lowest_player;
 953         // don't do anything if it couldn't find anyone
 954         if(!selected)
 955         {
 956                 bprint("warning: couldn't find a player to move from team\n");
 957                 return;
 958         }
 959
 960         // smallest team gains a member
 961         if(smallestteam == 1)
 962         {
 963                 c1 = c1 + 1;
 964         }
 965         else if(smallestteam == 2)
 966         {
 967                 c2 = c2 + 1;
 968         }
 969         else if(smallestteam == 3)
 970         {
 971                 c3 = c3 + 1;
 972         }
 973         else if(smallestteam == 4)
 974         {
 975                 c4 = c4 + 1;
 976         }
 977         else
 978         {
 979                 bprint("warning: destination team invalid\n");
 980                 return;
 981         }
 982         // source team loses a member
 983         if(source_team == 1)
 984         {
 985                 c1 = c1 + 1;
 986         }
 987         else if(source_team == 2)
 988         {
 989                 c2 = c2 + 2;
 990         }
 991         else if(source_team == 3)
 992         {
 993                 c3 = c3 + 3;
 994         }
 995         else if(source_team == 4)
 996         {
 997                 c4 = c4 + 4;
 998         }
 999         else
1000         {
1001                 bprint("warning: source team invalid\n");
1002                 return;
1003         }
1004
1005         // move the player to the new team
1006         TeamchangeFrags(selected);
1007         SetPlayerTeam(selected, smallestteam, source_team, false);
1008
1009         if(selected.deadflag == DEAD_NO)
1010                 Damage(selected, selected, selected, 100000, DEATH_AUTOTEAMCHANGE, selected.origin, '0 0 0');
1011         Send_Notification(NOTIF_ONE, selected, MSG_CENTER, CENTER_DEATH_SELF_AUTOTEAMCHANGE, selected.team);
1012 }