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 InitGameplayMode()
  41 {
  42         VoteReset();
  43
  44         // find out good world mins/maxs bounds, either the static bounds found by looking for solid, or the mapinfo specified bounds
  45         get_mi_min_max(1);
  46         // assign reflectively to avoid "assignment to world" warning
  47         int done = 0; for (int i = 0, n = numentityfields(); i < n; ++i) {
  48             string k = entityfieldname(i); vector v = (k == "mins") ? mi_min : (k == "maxs") ? mi_max : '0 0 0';
  49             if (v) {
  50             putentityfieldstring(i, world, sprintf("%v", v));
  51             if (++done == 2) break;
  52         }
  53         }
  54         // currently, NetRadiant's limit is 131072 qu for each side
  55         // distance from one corner of a 131072qu cube to the opposite corner is approx. 227023 qu
  56         // set the distance according to map size but don't go over the limit to avoid issues with float precision
  57         // in case somebody makes extremely large maps
  58         max_shot_distance = min(230000, vlen(world.maxs - world.mins));
  59
  60         MapInfo_LoadMapSettings(mapname);
  61         GameRules_teams(false);
  62
  63         if (!cvar_value_issafe(world.fog))
  64         {
  65                 LOG_INFO("The current map contains a potentially harmful fog setting, ignored");
  66                 world.fog = string_null;
  67         }
  68         if(MapInfo_Map_fog != "")
  69                 if(MapInfo_Map_fog == "none")
  70                         world.fog = string_null;
  71                 else
  72                         world.fog = strzone(MapInfo_Map_fog);
  73         clientstuff = strzone(MapInfo_Map_clientstuff);
  74
  75         MapInfo_ClearTemps();
  76
  77         gamemode_name = MapInfo_Type_ToText(MapInfo_LoadedGametype);
  78
  79         cache_mutatormsg = strzone("");
  80         cache_lastmutatormsg = strzone("");
  81
  82         InitializeEntity(NULL, default_delayedinit, INITPRIO_GAMETYPE_FALLBACK);
  83 }
  84
  85 string GetClientVersionMessage(entity this)
  86 {
  87         if (CS(this).version_mismatch) {
  88                 if(CS(this).version < autocvar_gameversion) {
  89                         return strcat("This is Xonotic ", autocvar_g_xonoticversion,
  90                                 "\n^3Your client version is outdated.\n\n\n### YOU WON'T BE ABLE TO PLAY ON THIS SERVER ###\n\n\nPlease update!!!^8");
  91                 } else {
  92                         return strcat("This is Xonotic ", autocvar_g_xonoticversion,
  93                                 "\n^3This server is using an outdated Xonotic version.\n\n\n ### THIS SERVER IS INCOMPATIBLE AND THUS YOU CANNOT JOIN ###.^8");
  94                 }
  95         } else {
  96                 return strcat("Welcome to Xonotic ", autocvar_g_xonoticversion);
  97         }
  98 }
  99
 100 string getwelcomemessage(entity this)
 101 {
 102         MUTATOR_CALLHOOK(BuildMutatorsPrettyString, "");
 103         string 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_weaponstartoverride") == 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         string s = strcat(versionmessage, "^8\n^8\nmatch type is ^1", gamemode_name, "^8\n");
 128
 129         if(modifications != "")
 130                 s = strcat(s, "^8\nactive modifications: ^3", modifications, "^8\n");
 131
 132         if(cache_lastmutatormsg != autocvar_g_mutatormsg)
 133         {
 134                 if(cache_lastmutatormsg)
 135                         strunzone(cache_lastmutatormsg);
 136                 if(cache_mutatormsg)
 137                         strunzone(cache_mutatormsg);
 138                 cache_lastmutatormsg = strzone(autocvar_g_mutatormsg);
 139                 cache_mutatormsg = strzone(cache_lastmutatormsg);
 140         }
 141
 142         if (cache_mutatormsg != "") {
 143                 s = strcat(s, "\n\n^8special gameplay tips: ^7", cache_mutatormsg);
 144         }
 145
 146         string mutator_msg = "";
 147         MUTATOR_CALLHOOK(BuildGameplayTipsString, mutator_msg);
 148         mutator_msg = M_ARGV(0, string);
 149
 150         s = strcat(s, mutator_msg); // trust that the mutator will do proper formatting
 151
 152         string motd = autocvar_sv_motd;
 153         if (motd != "") {
 154                 s = strcat(s, "\n\n^8MOTD: ^7", strreplace("\\n", "\n", motd));
 155         }
 156         return s;
 157 }
 158
 159 void setcolor(entity this, int clr)
 160 {
 161 #if 0
 162         this.clientcolors = clr;
 163         this.team = (clr & 15) + 1;
 164 #else
 165         builtin_setcolor(this, clr);
 166 #endif
 167 }
 168
 169 void SetPlayerColors(entity player, float _color)
 170 {
 171         float pants = _color & 0x0F;
 172         float shirt = _color & 0xF0;
 173         if (teamplay)
 174         {
 175                 setcolor(player, 16 * pants + pants);
 176         }
 177         else
 178         {
 179                 setcolor(player, shirt + pants);
 180         }
 181 }
 182
 183 void KillPlayerForTeamChange(entity player)
 184 {
 185         if (IS_DEAD(player))
 186         {
 187                 return;
 188         }
 189         if (MUTATOR_CALLHOOK(Player_ChangeTeamKill, player) == true)
 190         {
 191                 return;
 192         }
 193         Damage(player, player, player, 100000, DEATH_TEAMCHANGE.m_id, player.origin,
 194                 '0 0 0');
 195 }
 196
 197 bool SetPlayerTeamSimple(entity player, int team_num)
 198 {
 199         if (player.team == team_num)
 200         {
 201                 // This is important when players join the game and one of their color
 202                 // matches the team color while other doesn't. For example [BOT]Lion.
 203                 SetPlayerColors(player, team_num - 1);
 204                 return true;
 205         }
 206         if (MUTATOR_CALLHOOK(Player_ChangeTeam, player, Team_TeamToNumber(
 207                 player.team), Team_TeamToNumber(team_num)) == true)
 208         {
 209                 // Mutator has blocked team change.
 210                 return false;
 211         }
 212         int old_team = player.team;
 213         SetPlayerColors(player, team_num - 1);
 214         MUTATOR_CALLHOOK(Player_ChangedTeam, player, old_team, player.team);
 215         return true;
 216 }
 217
 218 bool SetPlayerTeam(entity player, int destination_team, int source_team,
 219         bool no_print)
 220 {
 221         int team_num = Team_NumberToTeam(destination_team);
 222         if (!SetPlayerTeamSimple(player, team_num))
 223         {
 224                 return false;
 225         }
 226         LogTeamchange(player.playerid, player.team, 3);  // log manual team join
 227         if (no_print)
 228         {
 229                 return true;
 230         }
 231         bprint(playername(player, false), "^7 has changed from ", Team_NumberToColoredFullName(source_team), "^7 to ", Team_NumberToColoredFullName(destination_team), "\n");
 232         return true;
 233 }
 234
 235 // set c1...c4 to show what teams are allowed
 236 void CheckAllowedTeams(entity for_whom)
 237 {
 238         int teams_mask = 0;
 239
 240         c1 = c2 = c3 = c4 = -1;
 241         num_bots_team1 = num_bots_team2 = num_bots_team3 = num_bots_team4 = 0;
 242
 243         string teament_name = string_null;
 244
 245         bool mutator_returnvalue = MUTATOR_CALLHOOK(CheckAllowedTeams, teams_mask, teament_name, for_whom);
 246         teams_mask = M_ARGV(0, float);
 247         teament_name = M_ARGV(1, string);
 248
 249         if(!mutator_returnvalue)
 250         {
 251                 if(teams_mask & BIT(0)) c1 = 0;
 252                 if(teams_mask & BIT(1)) c2 = 0;
 253                 if(teams_mask & BIT(2)) c3 = 0;
 254                 if(teams_mask & BIT(3)) c4 = 0;
 255         }
 256
 257         // find out what teams are allowed if necessary
 258         if(teament_name)
 259         {
 260                 entity head = find(NULL, classname, teament_name);
 261                 while(head)
 262                 {
 263                         switch(head.team)
 264                         {
 265                                 case NUM_TEAM_1: c1 = 0; break;
 266                                 case NUM_TEAM_2: c2 = 0; break;
 267                                 case NUM_TEAM_3: c3 = 0; break;
 268                                 case NUM_TEAM_4: c4 = 0; break;
 269                         }
 270
 271                         head = find(head, classname, teament_name);
 272                 }
 273         }
 274
 275         // TODO: Balance quantity of bots across > 2 teams when bot_vs_human is set (and remove next line)
 276         if(AvailableTeams() == 2)
 277         if(autocvar_bot_vs_human && for_whom)
 278         {
 279                 if(autocvar_bot_vs_human > 0)
 280                 {
 281                         // find last team available
 282
 283                         if(IS_BOT_CLIENT(for_whom))
 284                         {
 285                                 if(c4 >= 0) { c3 = c2 = c1 = -1; }
 286                                 else if(c3 >= 0) { c4 = c2 = c1 = -1; }
 287                                 else { c4 = c3 = c1 = -1; }
 288                                 // no further cases, we know at least 2 teams exist
 289                         }
 290                         else
 291                         {
 292                                 if(c1 >= 0) { c2 = c3 = c4 = -1; }
 293                                 else if(c2 >= 0) { c1 = c3 = c4 = -1; }
 294                                 else { c1 = c2 = c4 = -1; }
 295                                 // no further cases, bots have one of the teams
 296                         }
 297                 }
 298                 else
 299                 {
 300                         // find first team available
 301
 302                         if(IS_BOT_CLIENT(for_whom))
 303                         {
 304                                 if(c1 >= 0) { c2 = c3 = c4 = -1; }
 305                                 else if(c2 >= 0) { c1 = c3 = c4 = -1; }
 306                                 else { c1 = c2 = c4 = -1; }
 307                                 // no further cases, we know at least 2 teams exist
 308                         }
 309                         else
 310                         {
 311                                 if(c4 >= 0) { c3 = c2 = c1 = -1; }
 312                                 else if(c3 >= 0) { c4 = c2 = c1 = -1; }
 313                                 else { c4 = c3 = c1 = -1; }
 314                                 // no further cases, bots have one of the teams
 315                         }
 316                 }
 317         }
 318
 319         if(!for_whom)
 320                 return;
 321
 322         // if player has a forced team, ONLY allow that one
 323         if(for_whom.team_forced == NUM_TEAM_1 && c1 >= 0)
 324                 c2 = c3 = c4 = -1;
 325         else if(for_whom.team_forced == NUM_TEAM_2 && c2 >= 0)
 326                 c1 = c3 = c4 = -1;
 327         else if(for_whom.team_forced == NUM_TEAM_3 && c3 >= 0)
 328                 c1 = c2 = c4 = -1;
 329         else if(for_whom.team_forced == NUM_TEAM_4 && c4 >= 0)
 330                 c1 = c2 = c3 = -1;
 331 }
 332
 333 float PlayerValue(entity p)
 334 {
 335         return 1;
 336         // FIXME: it always returns 1...
 337 }
 338
 339 // c1...c4 should be set to -1 (not allowed) or 0 (allowed).
 340 // teams that are allowed will now have their player counts stored in c1...c4
 341 void GetTeamCounts(entity ignore)
 342 {
 343         if (MUTATOR_CALLHOOK(GetTeamCounts) == true)
 344         {
 345                 if (c1 >= 0)
 346                 {
 347                         MUTATOR_CALLHOOK(GetTeamCount, NUM_TEAM_1, ignore, c1,
 348                                 num_bots_team1, lowest_human_team1, lowest_bot_team1);
 349                         c1 = M_ARGV(2, float);
 350                         num_bots_team1 = M_ARGV(3, float);
 351                         lowest_human_team1 = M_ARGV(4, entity);
 352                         lowest_bot_team1 = M_ARGV(5, entity);
 353                 }
 354                 if (c2 >= 0)
 355                 {
 356                         MUTATOR_CALLHOOK(GetTeamCount, NUM_TEAM_2, ignore, c2,
 357                                 num_bots_team2, lowest_human_team2, lowest_bot_team2);
 358                         c2 = M_ARGV(2, float);
 359                         num_bots_team2 = M_ARGV(3, float);
 360                         lowest_human_team2 = M_ARGV(4, entity);
 361                         lowest_bot_team2 = M_ARGV(5, entity);
 362                 }
 363                 if (c3 >= 0)
 364                 {
 365                         MUTATOR_CALLHOOK(GetTeamCount, NUM_TEAM_3, ignore, c3,
 366                                 num_bots_team3, lowest_human_team3, lowest_bot_team3);
 367                         c3 = M_ARGV(2, float);
 368                         num_bots_team3 = M_ARGV(3, float);
 369                         lowest_human_team3 = M_ARGV(4, entity);
 370                         lowest_bot_team3 = M_ARGV(5, entity);
 371                 }
 372                 if (c4 >= 0)
 373                 {
 374                         MUTATOR_CALLHOOK(GetTeamCount, NUM_TEAM_4, ignore,
 375                                 c4, num_bots_team4, lowest_human_team4, lowest_bot_team4);
 376                         c4 = M_ARGV(2, float);
 377                         num_bots_team4 = M_ARGV(3, float);
 378                         lowest_human_team4 = M_ARGV(4, entity);
 379                         lowest_bot_team4 = M_ARGV(5, entity);
 380                 }
 381         }
 382         else
 383         {
 384                 float value, bvalue;
 385                 // now count how many players are on each team already
 386                 float lowest_human_score1 = FLOAT_MAX;
 387                 float lowest_bot_score1 = FLOAT_MAX;
 388                 float lowest_human_score2 = FLOAT_MAX;
 389                 float lowest_bot_score2 = FLOAT_MAX;
 390                 float lowest_human_score3 = FLOAT_MAX;
 391                 float lowest_bot_score3 = FLOAT_MAX;
 392                 float lowest_human_score4 = FLOAT_MAX;
 393                 float lowest_bot_score4 = FLOAT_MAX;
 394                 FOREACH_CLIENT(true,
 395                 {
 396                         float t;
 397                         if (IS_PLAYER(it) || it.caplayer)
 398                         {
 399                                 t = it.team;
 400                         }
 401                         else if (it.team_forced > 0)
 402                         {
 403                                 t = it.team_forced; // reserve the spot
 404                         }
 405                         else
 406                         {
 407                                 continue;
 408                         }
 409                         if (it == ignore)
 410                         {
 411                                 continue;
 412                         }
 413                         value = PlayerValue(it);
 414                         if (IS_BOT_CLIENT(it))
 415                         {
 416                                 bvalue = value;
 417                         }
 418                         else
 419                         {
 420                                 bvalue = 0;
 421                         }
 422                         if (value == 0)
 423                         {
 424                                 continue;
 425                         }
 426                         switch (t)
 427                         {
 428                                 case NUM_TEAM_1:
 429                                 {
 430                                         if (c1 < 0)
 431                                         {
 432                                                 break;
 433                                         }
 434                                         c1 += value;
 435                                         num_bots_team1 += bvalue;
 436                                         float temp_score = PlayerScore_Get(it, SP_SCORE);
 437                                         if (!bvalue)
 438                                         {
 439                                                 if (temp_score < lowest_human_score1)
 440                                                 {
 441                                                         lowest_human_team1 = it;
 442                                                         lowest_human_score1 = temp_score;
 443                                                 }
 444                                                 break;
 445                                         }
 446                                         if (temp_score < lowest_bot_score1)
 447                                         {
 448                                                 lowest_bot_team1 = it;
 449                                                 lowest_bot_score1 = temp_score;
 450                                         }
 451                                         break;
 452                                 }
 453                                 case NUM_TEAM_2:
 454                                 {
 455                                         if (c2 < 0)
 456                                         {
 457                                                 break;
 458                                         }
 459                                         c2 += value;
 460                                         num_bots_team2 += bvalue;
 461                                         float temp_score = PlayerScore_Get(it, SP_SCORE);
 462                                         if (!bvalue)
 463                                         {
 464                                                 if (temp_score < lowest_human_score2)
 465                                                 {
 466                                                         lowest_human_team2 = it;
 467                                                         lowest_human_score2 = temp_score;
 468                                                 }
 469                                                 break;
 470                                         }
 471                                         if (temp_score < lowest_bot_score2)
 472                                         {
 473                                                 lowest_bot_team2 = it;
 474                                                 lowest_bot_score2 = temp_score;
 475                                         }
 476                                         break;
 477                                 }
 478                                 case NUM_TEAM_3:
 479                                 {
 480                                         if (c3 < 0)
 481                                         {
 482                                                 break;
 483                                         }
 484                                         c3 += value;
 485                                         num_bots_team3 += bvalue;
 486                                         float temp_score = PlayerScore_Get(it, SP_SCORE);
 487                                         if (!bvalue)
 488                                         {
 489                                                 if (temp_score < lowest_human_score3)
 490                                                 {
 491                                                         lowest_human_team3 = it;
 492                                                         lowest_human_score3 = temp_score;
 493                                                 }
 494                                                 break;
 495                                         }
 496                                         if (temp_score < lowest_bot_score3)
 497                                         {
 498                                                 lowest_bot_team3 = it;
 499                                                 lowest_bot_score3 = temp_score;
 500                                         }
 501                                         break;
 502                                 }
 503                                 case NUM_TEAM_4:
 504                                 {
 505                                         if (c4 < 0)
 506                                         {
 507                                                 break;
 508                                         }
 509                                         c4 += value;
 510                                         num_bots_team4 += bvalue;
 511                                         float temp_score = PlayerScore_Get(it, SP_SCORE);
 512                                         if (!bvalue)
 513                                         {
 514                                                 if (temp_score < lowest_human_score4)
 515                                                 {
 516                                                         lowest_human_team4 = it;
 517                                                         lowest_human_score4 = temp_score;
 518                                                 }
 519                                                 break;
 520                                         }
 521                                         if (temp_score < lowest_bot_score4)
 522                                         {
 523                                                 lowest_bot_team4 = it;
 524                                                 lowest_bot_score4 = temp_score;
 525                                         }
 526                                         break;
 527                                 }
 528                         }
 529                 });
 530         }
 531
 532         // if the player who has a forced team has not joined yet, reserve the spot
 533         if(autocvar_g_campaign)
 534         {
 535                 switch(autocvar_g_campaign_forceteam)
 536                 {
 537                         case 1: if(c1 == num_bots_team1) ++c1; break;
 538                         case 2: if(c2 == num_bots_team2) ++c2; break;
 539                         case 3: if(c3 == num_bots_team3) ++c3; break;
 540                         case 4: if(c4 == num_bots_team4) ++c4; break;
 541                 }
 542         }
 543 }
 544
 545 bool IsTeamSmallerThanTeam(int team_a, int team_b, entity player,
 546         bool use_score)
 547 {
 548         if (team_a == team_b)
 549         {
 550                 return false;
 551         }
 552         // we assume that CheckAllowedTeams and GetTeamCounts have already been called
 553         int num_players_team_a = -1, num_players_team_b = -1;
 554         int num_bots_team_a = 0, num_bots_team_b = 0;
 555         float score_team_a = 0, score_team_b = 0;
 556         switch (team_a)
 557         {
 558                 case 1:
 559                 {
 560                         num_players_team_a = c1;
 561                         num_bots_team_a = num_bots_team1;
 562                         score_team_a = team1_score;
 563                         break;
 564                 }
 565                 case 2:
 566                 {
 567                         num_players_team_a = c2;
 568                         num_bots_team_a = num_bots_team2;
 569                         score_team_a = team2_score;
 570                         break;
 571                 }
 572                 case 3:
 573                 {
 574                         num_players_team_a = c3;
 575                         num_bots_team_a = num_bots_team3;
 576                         score_team_a = team3_score;
 577                         break;
 578                 }
 579                 case 4:
 580                 {
 581                         num_players_team_a = c4;
 582                         num_bots_team_a = num_bots_team4;
 583                         score_team_a = team4_score;
 584                         break;
 585                 }
 586         }
 587         switch (team_b)
 588         {
 589                 case 1:
 590                 {
 591                         num_players_team_b = c1;
 592                         num_bots_team_b = num_bots_team1;
 593                         score_team_b = team1_score;
 594                         break;
 595                 }
 596                 case 2:
 597                 {
 598                         num_players_team_b = c2;
 599                         num_bots_team_b = num_bots_team2;
 600                         score_team_b = team2_score;
 601                         break;
 602                 }
 603                 case 3:
 604                 {
 605                         num_players_team_b = c3;
 606                         num_bots_team_b = num_bots_team3;
 607                         score_team_b = team3_score;
 608                         break;
 609                 }
 610                 case 4:
 611                 {
 612                         num_players_team_b = c4;
 613                         num_bots_team_b = num_bots_team4;
 614                         score_team_b = team4_score;
 615                         break;
 616                 }
 617         }
 618         // invalid
 619         if (num_players_team_a < 0 || num_players_team_b < 0)
 620         {
 621                 return false;
 622         }
 623         if (IS_REAL_CLIENT(player) && bots_would_leave)
 624         {
 625                 num_players_team_a -= num_bots_team_a;
 626                 num_players_team_b -= num_bots_team_b;
 627         }
 628         if (!use_score)
 629         {
 630                 return num_players_team_a < num_players_team_b;
 631         }
 632         if (num_players_team_a < num_players_team_b)
 633         {
 634                 return true;
 635         }
 636         if (num_players_team_a > num_players_team_b)
 637         {
 638                 return false;
 639         }
 640         return score_team_a < score_team_b;
 641 }
 642
 643 bool IsTeamEqualToTeam(int team_a, int team_b, entity player, bool use_score)
 644 {
 645         if (team_a == team_b)
 646         {
 647                 return true;
 648         }
 649         // we assume that CheckAllowedTeams and GetTeamCounts have already been called
 650         int num_players_team_a = -1, num_players_team_b = -1;
 651         int num_bots_team_a = 0, num_bots_team_b = 0;
 652         float score_team_a = 0, score_team_b = 0;
 653         switch (team_a)
 654         {
 655                 case 1:
 656                 {
 657                         num_players_team_a = c1;
 658                         num_bots_team_a = num_bots_team1;
 659                         score_team_a = team1_score;
 660                         break;
 661                 }
 662                 case 2:
 663                 {
 664                         num_players_team_a = c2;
 665                         num_bots_team_a = num_bots_team2;
 666                         score_team_a = team2_score;
 667                         break;
 668                 }
 669                 case 3:
 670                 {
 671                         num_players_team_a = c3;
 672                         num_bots_team_a = num_bots_team3;
 673                         score_team_a = team3_score;
 674                         break;
 675                 }
 676                 case 4:
 677                 {
 678                         num_players_team_a = c4;
 679                         num_bots_team_a = num_bots_team4;
 680                         score_team_a = team4_score;
 681                         break;
 682                 }
 683         }
 684         switch (team_b)
 685         {
 686                 case 1:
 687                 {
 688                         num_players_team_b = c1;
 689                         num_bots_team_b = num_bots_team1;
 690                         score_team_b = team1_score;
 691                         break;
 692                 }
 693                 case 2:
 694                 {
 695                         num_players_team_b = c2;
 696                         num_bots_team_b = num_bots_team2;
 697                         score_team_b = team2_score;
 698                         break;
 699                 }
 700                 case 3:
 701                 {
 702                         num_players_team_b = c3;
 703                         num_bots_team_b = num_bots_team3;
 704                         score_team_b = team3_score;
 705                         break;
 706                 }
 707                 case 4:
 708                 {
 709                         num_players_team_b = c4;
 710                         num_bots_team_b = num_bots_team4;
 711                         score_team_b = team4_score;
 712                         break;
 713                 }
 714         }
 715         // invalid
 716         if (num_players_team_a < 0 || num_players_team_b < 0)
 717                 return false;
 718
 719         if (IS_REAL_CLIENT(player) && bots_would_leave)
 720         {
 721                 num_players_team_a -= num_bots_team_a;
 722                 num_players_team_b -= num_bots_team_b;
 723         }
 724         if (!use_score)
 725         {
 726                 return num_players_team_a == num_players_team_b;
 727         }
 728         if (num_players_team_a != num_players_team_b)
 729         {
 730                 return false;
 731         }
 732         return score_team_a == score_team_b;
 733 }
 734
 735 int FindBestTeams(entity player, bool use_score)
 736 {
 737         if (MUTATOR_CALLHOOK(FindBestTeams, player) == true)
 738         {
 739                 return M_ARGV(1, float);
 740         }
 741         int team_bits = 0;
 742         int previous_team = 0;
 743         if (c1 >= 0)
 744         {
 745                 team_bits = BIT(0);
 746                 previous_team = 1;
 747         }
 748         if (c2 >= 0)
 749         {
 750                 if (previous_team == 0)
 751                 {
 752                         team_bits = BIT(1);
 753                         previous_team = 2;
 754                 }
 755                 else if (IsTeamSmallerThanTeam(2, previous_team, player, use_score))
 756                 {
 757                         team_bits = BIT(1);
 758                         previous_team = 2;
 759                 }
 760                 else if (IsTeamEqualToTeam(2, previous_team, player, use_score))
 761                 {
 762                         team_bits |= BIT(1);
 763                         previous_team = 2;
 764                 }
 765         }
 766         if (c3 >= 0)
 767         {
 768                 if (previous_team == 0)
 769                 {
 770                         team_bits = BIT(2);
 771                         previous_team = 3;
 772                 }
 773                 else if (IsTeamSmallerThanTeam(3, previous_team, player, use_score))
 774                 {
 775                         team_bits = BIT(2);
 776                         previous_team = 3;
 777                 }
 778                 else if (IsTeamEqualToTeam(3, previous_team, player, use_score))
 779                 {
 780                         team_bits |= BIT(2);
 781                         previous_team = 3;
 782                 }
 783         }
 784         if (c4 >= 0)
 785         {
 786                 if (previous_team == 0)
 787                 {
 788                         team_bits = BIT(3);
 789                 }
 790                 else if (IsTeamSmallerThanTeam(4, previous_team, player, use_score))
 791                 {
 792                         team_bits = BIT(3);
 793                 }
 794                 else if (IsTeamEqualToTeam(4, previous_team, player, use_score))
 795                 {
 796                         team_bits |= BIT(3);
 797                 }
 798         }
 799         return team_bits;
 800 }
 801
 802 // returns # of smallest team (1, 2, 3, 4)
 803 // NOTE: Assumes CheckAllowedTeams has already been called!
 804 int FindSmallestTeam(entity player, float ignore_player)
 805 {
 806         // count how many players are in each team
 807         if (ignore_player)
 808         {
 809                 GetTeamCounts(player);
 810         }
 811         else
 812         {
 813                 GetTeamCounts(NULL);
 814         }
 815         int team_bits = FindBestTeams(player, true);
 816         if (team_bits == 0)
 817         {
 818                 error(sprintf("No teams available for %s\n", MapInfo_Type_ToString(MapInfo_CurrentGametype())));
 819         }
 820         RandomSelection_Init();
 821         if ((team_bits & BIT(0)) != 0)
 822         {
 823                 RandomSelection_AddFloat(1, 1, 1);
 824         }
 825         if ((team_bits & BIT(1)) != 0)
 826         {
 827                 RandomSelection_AddFloat(2, 1, 1);
 828         }
 829         if ((team_bits & BIT(2)) != 0)
 830         {
 831                 RandomSelection_AddFloat(3, 1, 1);
 832         }
 833         if ((team_bits & BIT(3)) != 0)
 834         {
 835                 RandomSelection_AddFloat(4, 1, 1);
 836         }
 837         return RandomSelection_chosen_float;
 838 }
 839
 840 int JoinBestTeam(entity this, bool only_return_best, bool force_best_team)
 841 {
 842         // don't join a team if we're not playing a team game
 843         if (!teamplay)
 844         {
 845                 return 0;
 846         }
 847
 848         // find out what teams are available
 849         CheckAllowedTeams(this);
 850
 851         // if we don't care what team he ends up on, put him on whatever team he entered as.
 852         // if he's not on a valid team, then let other code put him on the smallest team
 853         if (!force_best_team)
 854         {
 855                 int selected_team;
 856                 if(     c1 >= 0 && this.team == NUM_TEAM_1)
 857                         selected_team = this.team;
 858                 else if(c2 >= 0 && this.team == NUM_TEAM_2)
 859                         selected_team = this.team;
 860                 else if(c3 >= 0 && this.team == NUM_TEAM_3)
 861                         selected_team = this.team;
 862                 else if(c4 >= 0 && this.team == NUM_TEAM_4)
 863                         selected_team = this.team;
 864                 else
 865                         selected_team = -1;
 866
 867                 if (selected_team > 0)
 868                 {
 869                         if (!only_return_best)
 870                         {
 871                                 SetPlayerTeamSimple(this, selected_team);
 872
 873                                 // when JoinBestTeam is called by client.qc/ClientKill_Now_TeamChange the players team is -1 and thus skipped
 874                                 // when JoinBestTeam is called by client.qc/ClientConnect the player_id is 0 the log attempt is rejected
 875                                 LogTeamchange(this.playerid, this.team, 99);
 876                         }
 877                         return selected_team;
 878                 }
 879                 // otherwise end up on the smallest team (handled below)
 880         }
 881
 882         int best_team = FindSmallestTeam(this, true);
 883         if (only_return_best || this.bot_forced_team)
 884         {
 885                 return best_team;
 886         }
 887         best_team = Team_NumberToTeam(best_team);
 888         if (best_team == -1)
 889         {
 890                 error("JoinBestTeam: invalid team\n");
 891         }
 892         int old_team = Team_TeamToNumber(this.team);
 893         TeamchangeFrags(this);
 894         SetPlayerTeamSimple(this, best_team);
 895         LogTeamchange(this.playerid, this.team, 2); // log auto join
 896         if (!IS_BOT_CLIENT(this))
 897         {
 898                 AutoBalanceBots(old_team, Team_TeamToNumber(best_team));
 899         }
 900         KillPlayerForTeamChange(this);
 901         return best_team;
 902 }
 903
 904 void SV_ChangeTeam(entity this, float _color)
 905 {
 906         float source_color, destination_color, source_team, destination_team;
 907
 908         // in normal deathmatch we can just apply the color and we're done
 909         if(!teamplay)
 910                 SetPlayerColors(this, _color);
 911
 912         if(!IS_CLIENT(this))
 913         {
 914                 // since this is an engine function, and gamecode doesn't have any calls earlier than this, do the connecting message here
 915                 Send_Notification(NOTIF_ALL, NULL, MSG_INFO, INFO_CONNECTING, this.netname);
 916                 return;
 917         }
 918
 919         if(!teamplay)
 920                 return;
 921
 922         source_color = this.clientcolors & 0x0F;
 923         destination_color = _color & 0x0F;
 924
 925         source_team = Team_TeamToNumber(source_color + 1);
 926         destination_team = Team_TeamToNumber(destination_color + 1);
 927
 928         if (destination_team == -1)
 929         {
 930                 return;
 931         }
 932
 933         CheckAllowedTeams(this);
 934
 935         if (destination_team == 1 && c1 < 0) destination_team = 4;
 936         if (destination_team == 4 && c4 < 0) destination_team = 3;
 937         if (destination_team == 3 && c3 < 0) destination_team = 2;
 938         if (destination_team == 2 && c2 < 0) destination_team = 1;
 939
 940         // not changing teams
 941         if (source_color == destination_color)
 942         {
 943                 SetPlayerTeam(this, destination_team, source_team, true);
 944                 return;
 945         }
 946
 947         if((autocvar_g_campaign) || (autocvar_g_changeteam_banned && CS(this).wasplayer)) {
 948                 Send_Notification(NOTIF_ONE, this, MSG_INFO, INFO_TEAMCHANGE_NOTALLOWED);
 949                 return; // changing teams is not allowed
 950         }
 951
 952         // autocvar_g_balance_teams_prevent_imbalance only makes sense if autocvar_g_balance_teams is on, as it makes the team selection dialog pointless
 953         if (autocvar_g_balance_teams && autocvar_g_balance_teams_prevent_imbalance)
 954         {
 955                 GetTeamCounts(this);
 956                 if ((BIT(destination_team - 1) & FindBestTeams(this, false)) == 0)
 957                 {
 958                         Send_Notification(NOTIF_ONE, this, MSG_INFO, INFO_TEAMCHANGE_LARGERTEAM);
 959                         return;
 960                 }
 961         }
 962         if(IS_PLAYER(this) && source_team != destination_team)
 963         {
 964                 // reduce frags during a team change
 965                 TeamchangeFrags(this);
 966         }
 967         if (!SetPlayerTeam(this, destination_team, source_team, !IS_CLIENT(this)))
 968         {
 969                 return;
 970         }
 971         AutoBalanceBots(source_team, destination_team);
 972         if (!IS_PLAYER(this) || (source_team == destination_team))
 973         {
 974                 return;
 975         }
 976         KillPlayerForTeamChange(this);
 977 }
 978
 979 void AutoBalanceBots(int source_team, int destination_team)
 980 {
 981         if ((source_team == -1) || (destination_team == -1))
 982         {
 983                 return;
 984         }
 985         if (!autocvar_g_balance_teams ||
 986                 !autocvar_g_balance_teams_prevent_imbalance)
 987         {
 988                 return;
 989         }
 990         int num_players_source_team = 0;
 991         int num_players_destination_team = 0;
 992         entity lowest_bot_destination_team = NULL;
 993         switch (source_team)
 994         {
 995                 case 1:
 996                 {
 997                         num_players_source_team = c1;
 998                         break;
 999                 }
1000                 case 2:
1001                 {
1002                         num_players_source_team = c2;
1003                         break;
1004                 }
1005                 case 3:
1006                 {
1007                         num_players_source_team = c3;
1008                         break;
1009                 }
1010                 case 4:
1011                 {
1012                         num_players_source_team = c4;
1013                         break;
1014                 }
1015         }
1016         switch (destination_team)
1017         {
1018                 case 1:
1019                 {
1020                         num_players_destination_team = c1;
1021                         lowest_bot_destination_team = lowest_bot_team1;
1022                         break;
1023                 }
1024                 case 2:
1025                 {
1026                         num_players_destination_team = c2;
1027                         lowest_bot_destination_team = lowest_bot_team2;
1028                         break;
1029                 }
1030                 case 3:
1031                 {
1032                         num_players_destination_team = c3;
1033                         lowest_bot_destination_team = lowest_bot_team3;
1034                         break;
1035                 }
1036                 case 4:
1037                 {
1038                         num_players_destination_team = c4;
1039                         lowest_bot_destination_team = lowest_bot_team4;
1040                         break;
1041                 }
1042         }
1043         if ((num_players_destination_team <= num_players_source_team) ||
1044                 (lowest_bot_destination_team == NULL))
1045         {
1046                 return;
1047         }
1048         SetPlayerTeamSimple(lowest_bot_destination_team,
1049                 Team_NumberToTeam(source_team));
1050         KillPlayerForTeamChange(lowest_bot_destination_team);
1051 }