qcsrc/server/command/cmd.qc

   1 #include "cmd.qh"
   2
   3 #include <common/command/_mod.qh>
   4 #include <common/constants.qh>
   5 #include <common/deathtypes/all.qh>
   6 #include <common/effects/all.qh>
   7 #include <common/gamemodes/_mod.qh>
   8 #include <common/mapinfo.qh>
   9 #include <common/mapobjects/triggers.qh>
  10 #include <common/minigames/sv_minigames.qh>
  11 #include <common/monsters/_mod.qh>
  12 #include <common/monsters/sv_monsters.qh>
  13 #include <common/monsters/sv_spawn.qh>
  14 #include <common/notifications/all.qh>
  15 #include <common/physics/player.qh>
  16 #include <common/teams.qh>
  17 #include <common/util.qh>
  18 #include <common/vehicles/all.qh>
  19 #include <lib/warpzone/common.qh>
  20 #include <server/bot/api.qh>
  21 #include <server/bot/default/waypoints.qh>
  22 #include <server/campaign.qh>
  23 #include <server/chat.qh>
  24 #include <server/cheats.qh>
  25 #include <server/client.qh>
  26 #include <server/clientkill.qh>
  27 #include <server/command/common.qh>
  28 #include <server/command/getreplies.qh>
  29 #include <server/command/vote.qh>
  30 #include <server/ipban.qh>
  31 #include <server/mapvoting.qh>
  32 #include <server/mutators/_mod.qh>
  33 #include <server/player.qh>
  34 #include <server/scores.qh>
  35 #include <server/teamplay.qh>
  36 #include <server/world.qh>
  37
  38 // =========================================================
  39 //  Server side networked commands code, reworked by Samual
  40 //  Last updated: December 28th, 2011
  41 // =========================================================
  42
  43 bool SV_ParseClientCommand_floodcheck(entity this)
  44 {
  45         entity store = IS_CLIENT(this) ? CS(this) : this; // unfortunately, we need to store these on the client initially
  46
  47         if (!timeout_status)  // not while paused
  48         {
  49                 if (time <= (store.cmd_floodtime + autocvar_sv_clientcommand_antispam_time))
  50                 {
  51                         store.cmd_floodcount += 1;
  52                         if (store.cmd_floodcount > autocvar_sv_clientcommand_antispam_count)   return false;  // too much spam, halt
  53                 }
  54                 else
  55                 {
  56                         store.cmd_floodtime = time;
  57                         store.cmd_floodcount = 1;
  58                 }
  59         }
  60         return true;  // continue, as we're not flooding yet
  61 }
  62
  63
  64 // =======================
  65 //  Command Sub-Functions
  66 // =======================
  67
  68 void ClientCommand_autoswitch(entity caller, int request, int argc)
  69 {
  70         switch (request)
  71         {
  72                 case CMD_REQUEST_COMMAND:
  73                 {
  74                         if (argv(1) != "")
  75                         {
  76                                 CS_CVAR(caller).autoswitch = InterpretBoolean(argv(1));
  77                                 sprint(caller, strcat("^1autoswitch is currently turned ", (CS_CVAR(caller).autoswitch ? "on" : "off"), ".\n"));
  78                                 return;
  79                         }
  80                 }
  81
  82                 default:
  83                         sprint(caller, sprintf("Incorrect parameters for ^2%s^7\n", argv(0)));
  84                 case CMD_REQUEST_USAGE:
  85                 {
  86                         sprint(caller, "\nUsage:^3 cmd autoswitch selection\n");
  87                         sprint(caller, "  Where 'selection' controls if autoswitch is on or off.\n");
  88                         return;
  89                 }
  90         }
  91 }
  92
  93 void ClientCommand_clientversion(entity caller, int request, int argc)  // internal command, used only by code
  94 {
  95         switch (request)
  96         {
  97                 case CMD_REQUEST_COMMAND:
  98                 {
  99                         if (argv(1) != "")
 100                         {
 101                                 if (IS_CLIENT(caller))
 102                                 {
 103                                         CS(caller).version = ((argv(1) == "$gameversion") ? 1 : stof(argv(1)));
 104
 105                                         if (CS(caller).version < autocvar_gameversion_min || CS(caller).version > autocvar_gameversion_max)
 106                                         {
 107                                                 CS(caller).version_mismatch = true;
 108                                                 ClientKill_TeamChange(caller, -2);  // observe
 109                                         }
 110                                         else if (autocvar_g_campaign || autocvar_g_balance_teams)
 111                                         {
 112                                                 // JoinBestTeam(caller, false, true);
 113                                         }
 114                                         else if (teamplay && !autocvar_sv_spectate && !(Player_GetForcedTeamIndex(caller) > 0))
 115                                         {
 116                                                 TRANSMUTE(Observer, caller);  // really?
 117                                                 stuffcmd(caller, "menu_showteamselect\n");
 118                                         }
 119                                 }
 120
 121                                 return;
 122                         }
 123                 }
 124
 125                 default:
 126                         sprint(caller, sprintf("Incorrect parameters for ^2%s^7\n", argv(0)));
 127                 case CMD_REQUEST_USAGE:
 128                 {
 129                         sprint(caller, "\nUsage:^3 cmd clientversion version\n");
 130                         sprint(caller, "  Where 'version' is the game version reported by caller.\n");
 131                         return;
 132                 }
 133         }
 134 }
 135
 136 void ClientCommand_mv_getpicture(entity caller, int request, int argc)  // internal command, used only by code
 137 {
 138         switch (request)
 139         {
 140                 case CMD_REQUEST_COMMAND:
 141                 {
 142                         if (argv(1) != "")
 143                         {
 144                                 if (intermission_running) MapVote_SendPicture(caller, stof(argv(1)));
 145
 146                                 return;
 147                         }
 148                 }
 149
 150                 default:
 151                         sprint(caller, sprintf("Incorrect parameters for ^2%s^7\n", argv(0)));
 152                 case CMD_REQUEST_USAGE:
 153                 {
 154                         sprint(caller, "\nUsage:^3 cmd mv_getpicture mapid\n");
 155                         sprint(caller, "  Where 'mapid' is the id number of the map to request an image of on the map vote selection menu.\n");
 156                         return;
 157                 }
 158         }
 159 }
 160
 161 void ClientCommand_wpeditor(entity caller, int request, int argc)
 162 {
 163         switch (request)
 164         {
 165                 case CMD_REQUEST_COMMAND:
 166                 {
 167                         if (!autocvar_g_waypointeditor)
 168                         {
 169                                 sprint(caller, "ERROR: this command works only if the waypoint editor is on\n");
 170                                 return;
 171                         }
 172
 173                         if (argv(1) != "")
 174                         {
 175                                 if (argv(1) == "spawn")
 176                                 {
 177                                         string s = argv(2);
 178                                         if (!IS_PLAYER(caller))
 179                                                 sprint(caller, "ERROR: this command works only if you are player\n");
 180                                         else
 181                                                 waypoint_spawn_fromeditor(caller, (s == "crosshair"), (s == "jump"), (s == "crouch"), (s == "support"));
 182                                         return;
 183                                 }
 184                                 else if (argv(1) == "remove")
 185                                 {
 186                                         if (!IS_PLAYER(caller))
 187                                                 sprint(caller, "ERROR: this command works only if you are player\n");
 188                                         else
 189                                                 waypoint_remove_fromeditor(caller);
 190                                         return;
 191                                 }
 192                                 else if (argv(1) == "hardwire")
 193                                 {
 194                                         string s = argv(2);
 195                                         waypoint_start_hardwiredlink(caller, (s == "crosshair"));
 196                                         return;
 197                                 }
 198                                 else if (argv(1) == "lock")
 199                                 {
 200                                         waypoint_lock(caller);
 201                                         return;
 202                                 }
 203                                 else if (argv(1) == "unreachable")
 204                                 {
 205                                         if (!IS_PLAYER(caller))
 206                                                 sprint(caller, "ERROR: this command works only if you are player\n");
 207                                         else
 208                                                 waypoint_unreachable(caller);
 209                                         return;
 210                                 }
 211                                 else if (argv(1) == "saveall")
 212                                 {
 213                                         waypoint_saveall();
 214                                         return;
 215                                 }
 216                                 else if (argv(1) == "relinkall")
 217                                 {
 218                                         waypoint_schedulerelinkall();
 219                                         return;
 220                                 }
 221                                 else if (argv(1) == "symaxis")
 222                                 {
 223                                         if (argv(2) == "set" || argv(2) == "get")
 224                                         {
 225                                                 waypoint_getSymmetricalAxis_cmd(caller, (argv(2) == "set"), 3);
 226                                                 return;
 227                                         }
 228                                 }
 229                                 else if (argv(1) == "symorigin")
 230                                 {
 231                                         if (argv(2) == "set" || argv(2) == "get")
 232                                         {
 233                                                 waypoint_getSymmetricalOrigin_cmd(caller, (argv(2) == "set"), 3);
 234                                                 return;
 235                                         }
 236                                 }
 237                         }
 238                 }
 239
 240                 default:
 241                         sprint(caller, sprintf("Incorrect parameters for ^2%s^7\n", argv(0)));
 242                 case CMD_REQUEST_USAGE:
 243                 {
 244                         sprint(caller, "\nUsage:^3 cmd wpeditor action\n");
 245                         sprint(caller, "  Where 'action' can be:\n");
 246                         sprint(caller, "   ^5spawn^7: spawns a waypoint at player's position\n");
 247                         sprint(caller, "   ^5remove^7: removes player's nearest waypoint\n");
 248                         sprint(caller, "   ^5unreachable^7: reveals waypoints and items unreachable from the current position and spawnpoints without a nearest waypoint\n");
 249                         sprint(caller, "   ^5saveall^7: saves all waypoints and links to file\n");
 250                         sprint(caller, "   ^5relinkall^7: relinks all waypoints as if they were respawned\n");
 251                         sprint(caller, "   ^5spawn crosshair^7: spawns a waypoint at crosshair's position\n");
 252                         sprint(caller, "   ^7 in general useful to create special and hardwired links with ease from existing waypoints\n");
 253                         sprint(caller, "   ^7 in particular it's the only way to create custom jumppad waypoints (spawn another waypoint to create destination))\n");
 254                         sprint(caller, "   ^5spawn jump^7: spawns a jump waypoint (place it at least 60 qu before jump start, spawn another waypoint to create destination)\n");
 255                         sprint(caller, "   ^5spawn crouch^7: spawns a crouch waypoint (it links only to very close waypoints)\n");
 256                         sprint(caller, "   ^5spawn support^7: spawns a support waypoint (spawn another waypoint to create destination from which all incoming links are removed)\n");
 257                         sprint(caller, "   ^7 useful to replace links to problematic jumppad/teleport waypoints\n");
 258                         sprint(caller, "   ^5hardwire^7: marks the nearest waypoint as origin of a new hardwired link (spawn another waypoint over an existing one to create destination)\n");
 259                         sprint(caller, "   ^5hardwire crosshair^7: marks the waypoint at crosshair instead of the nearest waypoint\n");
 260                         sprint(caller, "   ^5lock^7: locks link display of the aimed waypoint (unlocks if no waypoint is found at crosshair's position)\n");
 261                         sprint(caller, "   ^5symorigin get|set\n");
 262                         sprint(caller, "   ^5symorigin get|set p1 p2 ... pX\n");
 263                         sprint(caller, "   ^5symaxis get|set p1 p2\n");
 264                         sprint(caller, "   ^7 where p1 p2 ... pX are positions (\"x y z\", z can be omitted) that you know are perfectly symmetrical"
 265                                                                 " so you can determine origin/axis of symmetry of maps without ctf flags or where flags aren't perfectly symmetrical\n");
 266                         sprint(caller, "  See 'wpeditor_menu' for a selectable list of various commands and useful settings to edit waypoints.\n");
 267                         return;
 268                 }
 269         }
 270 }
 271
 272 void ClientCommand_join(entity caller, int request)
 273 {
 274         switch (request)
 275         {
 276                 case CMD_REQUEST_COMMAND:
 277                 {
 278                         if (!game_stopped && IS_CLIENT(caller) && !IS_PLAYER(caller))
 279                         {
 280                                 if (joinAllowed(caller))
 281                                         Join(caller);
 282                                 else if(time < CS(caller).jointime + MIN_SPEC_TIME)
 283                                         CS(caller).autojoin_checked = -1;
 284                         }
 285
 286                         return;  // never fall through to usage
 287                 }
 288
 289                 default:
 290                 case CMD_REQUEST_USAGE:
 291                 {
 292                         sprint(caller, "\nUsage:^3 cmd join\n");
 293                         sprint(caller, "  No arguments required.\n");
 294                         return;
 295                 }
 296         }
 297 }
 298
 299 void ClientCommand_kill(entity caller, int request)
 300 {
 301         switch (request)
 302         {
 303                 case CMD_REQUEST_COMMAND:
 304                 {
 305                         if(IS_SPEC(caller) || IS_OBSERVER(caller))
 306                                 return; // no point warning about this, command does nothing
 307
 308                         if(GetResource(caller, RES_HEALTH) <= 0)
 309                         {
 310                                 sprint(caller, "Can't die - you are already dead!\n");
 311                                 return;
 312                         }
 313
 314                         ClientKill(caller);
 315
 316                         return;  // never fall through to usage
 317                 }
 318
 319                 default:
 320                 case CMD_REQUEST_USAGE:
 321                 {
 322                         sprint(caller, "\nUsage:^3 cmd kill\n");
 323                         sprint(caller, "  No arguments required.\n");
 324                         return;
 325                 }
 326         }
 327 }
 328
 329 void ClientCommand_physics(entity caller, int request, int argc)
 330 {
 331         switch (request)
 332         {
 333                 case CMD_REQUEST_COMMAND:
 334                 {
 335                         string command = strtolower(argv(1));
 336
 337                         if (!autocvar_g_physics_clientselect)
 338                         {
 339                                 sprint(caller, "Client physics selection is currently disabled.\n");
 340                                 return;
 341                         }
 342
 343                         if (command == "list" || command == "help")
 344                         {
 345                                 sprint(caller, strcat("Available physics sets: \n\n", autocvar_g_physics_clientselect_options, " default\n"));
 346                                 return;
 347                         }
 348
 349                         if (Physics_Valid(command) || command == "default")
 350                         {
 351                                 stuffcmd(caller, strcat("\nseta cl_physics ", command, "\n"));
 352                                 sprint(caller, strcat("^2Physics set successfully changed to ^3", command, "\n"));
 353                                 return;
 354                         }
 355                 }
 356
 357                 default:
 358                         sprint(caller, strcat("Current physics set: ^3", CS_CVAR(caller).cvar_cl_physics, "\n"));
 359                 case CMD_REQUEST_USAGE:
 360                 {
 361                         sprint(caller, "\nUsage:^3 cmd physics <physics>\n");
 362                         sprint(caller, "  See 'cmd physics list' for available physics sets.\n");
 363                         sprint(caller, "  Argument 'default' resets to standard physics.\n");
 364                         return;
 365                 }
 366         }
 367 }
 368
 369 void ClientCommand_ready(entity caller, int request)  // todo: anti-spam for toggling readyness
 370 {
 371         switch (request)
 372         {
 373                 case CMD_REQUEST_COMMAND:
 374                 {
 375                         if (IS_CLIENT(caller))
 376                         {
 377                                 if (warmup_stage || autocvar_sv_ready_restart || g_race_qualifying == 2)
 378                                 {
 379                                         if (!readyrestart_happened || autocvar_sv_ready_restart_repeatable)
 380                                         {
 381                                                 if (time < game_starttime) // game is already restarting
 382                                                         return;
 383                                                 if (caller.ready)            // toggle
 384                                                 {
 385                                                         caller.ready = false;
 386                                                         if(IS_PLAYER(caller) || caller.caplayer == 1)
 387                                                                 bprint(playername(caller.netname, caller.team, false), "^2 is ^1NOT^2 ready\n");
 388                                                 }
 389                                                 else
 390                                                 {
 391                                                         caller.ready = true;
 392                                                         if(IS_PLAYER(caller) || caller.caplayer == 1)
 393                                                                 bprint(playername(caller.netname, caller.team, false), "^2 is ready\n");
 394                                                 }
 395
 396                                                 // cannot reset the game while a timeout is active!
 397                                                 if (!timeout_status) ReadyCount();
 398                                         }
 399                                         else
 400                                         {
 401                                                 sprint(caller, "^1Game has already been restarted\n");
 402                                         }
 403                                 }
 404                         }
 405                         return;  // never fall through to usage
 406                 }
 407
 408                 default:
 409                 case CMD_REQUEST_USAGE:
 410                 {
 411                         sprint(caller, "\nUsage:^3 cmd ready\n");
 412                         sprint(caller, "  No arguments required.\n");
 413                         return;
 414                 }
 415         }
 416 }
 417
 418 void ClientCommand_say(entity caller, int request, int argc, string command)
 419 {
 420         switch (request)
 421         {
 422                 case CMD_REQUEST_COMMAND:
 423                 {
 424                         if (argc >= 2)   Say(caller, false, NULL, substring(command, argv_start_index(1), argv_end_index(-1) - argv_start_index(1)), 1);
 425                         return;  // never fall through to usage
 426                 }
 427
 428                 default:
 429                 case CMD_REQUEST_USAGE:
 430                 {
 431                         sprint(caller, "\nUsage:^3 cmd say <message>\n");
 432                         sprint(caller, "  Where 'message' is the string of text to say.\n");
 433                         return;
 434                 }
 435         }
 436 }
 437
 438 void ClientCommand_say_team(entity caller, int request, int argc, string command)
 439 {
 440         switch (request)
 441         {
 442                 case CMD_REQUEST_COMMAND:
 443                 {
 444                         if (argc >= 2)
 445                                 Say(caller, true, NULL, substring(command, argv_start_index(1), argv_end_index(-1) - argv_start_index(1)), 1);
 446                         return;  // never fall through to usage
 447                 }
 448
 449                 default:
 450                 case CMD_REQUEST_USAGE:
 451                 {
 452                         sprint(caller, "\nUsage:^3 cmd say_team <message>\n");
 453                         sprint(caller, "  Where 'message' is the string of text to say.\n");
 454                         return;
 455                 }
 456         }
 457 }
 458
 459 .bool team_selected;
 460 void ClientCommand_selectteam(entity caller, int request, int argc)
 461 {
 462         switch (request)
 463         {
 464                 case CMD_REQUEST_COMMAND:
 465                 {
 466                         if (argv(1) == "")
 467                         {
 468                                 return;
 469                         }
 470                         if (!IS_CLIENT(caller))
 471                         {
 472                                 return;
 473                         }
 474                         if (!teamplay)
 475                         {
 476                                 sprint(caller, "^7selectteam can only be used in teamgames\n");
 477                                 return;
 478                         }
 479                         if (Player_GetForcedTeamIndex(caller) > 0)
 480                         {
 481                                 sprint(caller, "^7selectteam can not be used as your team is forced\n");
 482                                 return;
 483                         }
 484                         if (lockteams)
 485                         {
 486                                 sprint(caller, "^7The game has already begun, you must wait until the next map to be able to join a team.\n");
 487                                 return;
 488                         }
 489
 490                         float team_num = Team_ColorToTeam(argv(1));
 491                         if (team_num == -1) // invalid
 492                                 return;
 493                         if (caller.team == team_num && team_num && !IS_DEAD(caller))
 494                         {
 495                                 sprint(caller, "^7You already are on that team.\n");
 496                                 return;
 497                         }
 498                         if (CS(caller).wasplayer && autocvar_g_changeteam_banned)
 499                         {
 500                                 sprint(caller, "^1You cannot change team, forbidden by the server.\n");
 501                                 return;
 502                         }
 503                         if (team_num && autocvar_g_balance_teams && autocvar_g_balance_teams_prevent_imbalance)
 504                         {
 505                                 entity balance = TeamBalance_CheckAllowedTeams(caller);
 506                                 TeamBalance_GetTeamCounts(balance, caller);
 507                                 if ((Team_IndexToBit(Team_TeamToIndex(team_num)) &
 508                                         TeamBalance_FindBestTeams(balance, caller, false)) == 0)
 509                                 {
 510                                         Send_Notification(NOTIF_ONE, caller, MSG_INFO, INFO_TEAMCHANGE_LARGERTEAM);
 511                                         TeamBalance_Destroy(balance);
 512                                         return;
 513                                 }
 514                                 TeamBalance_Destroy(balance);
 515                         }
 516                         if (team_num)
 517                                 ClientKill_TeamChange(caller, team_num);
 518                         else // auto
 519                                 ClientKill_TeamChange(caller, -1);
 520
 521                         if (!IS_PLAYER(caller))
 522                         {
 523                                 caller.team_selected = true; // avoids asking again for team selection on join
 524                         }
 525                         return;
 526                 }
 527                 default:
 528                         sprint(caller, sprintf("Incorrect parameters for ^2%s^7\n", argv(0)));
 529                 case CMD_REQUEST_USAGE:
 530                 {
 531                         sprint(caller, "\nUsage:^3 cmd selectteam team\n");
 532                         sprint(caller, "  Where 'team' is the prefered team to try and join.\n");
 533                         sprint(caller, "  Full list of options here: \"red, blue, yellow, pink, auto\"\n");
 534                         return;
 535                 }
 536         }
 537 }
 538
 539 void ClientCommand_selfstuff(entity caller, int request, string command)
 540 {
 541         switch (request)
 542         {
 543                 case CMD_REQUEST_COMMAND:
 544                 {
 545                         if (argv(1) != "")
 546                         {
 547                                 stuffcmd(caller, substring(command, argv_start_index(1), argv_end_index(-1) - argv_start_index(1)));
 548                                 return;
 549                         }
 550                 }
 551
 552                 default:
 553                         sprint(caller, sprintf("Incorrect parameters for ^2%s^7\n", argv(0)));
 554                 case CMD_REQUEST_USAGE:
 555                 {
 556                         sprint(caller, "\nUsage:^3 cmd selfstuff <command>\n");
 557                         sprint(caller, "  Where 'command' is the string to be stuffed to your client.\n");
 558                         return;
 559                 }
 560         }
 561 }
 562
 563 void ClientCommand_sentcvar(entity caller, int request, int argc, string command)
 564 {
 565         switch (request)
 566         {
 567                 case CMD_REQUEST_COMMAND:
 568                 {
 569                         if (argv(1) != "")
 570                         {
 571                                 // float tokens;
 572                                 string s;
 573
 574                                 if (argc == 2)  // undefined cvar: use the default value on the server then
 575                                 {
 576                                         s = strcat(substring(command, argv_start_index(0), argv_end_index(1) - argv_start_index(0)), " \"", cvar_defstring(argv(1)), "\"");
 577                                         tokenize_console(s);
 578                                 }
 579
 580                                 GetCvars(caller, CS_CVAR(caller), 1);
 581
 582                                 return;
 583                         }
 584                 }
 585
 586                 default:
 587                         sprint(caller, sprintf("Incorrect parameters for ^2%s^7\n", argv(0)));
 588                 case CMD_REQUEST_USAGE:
 589                 {
 590                         sprint(caller, "\nUsage:^3 cmd sentcvar <cvar>\n");
 591                         sprint(caller, "  Where 'cvar' is the cvar plus arguments to send to the server.\n");
 592                         return;
 593                 }
 594         }
 595 }
 596
 597 void ClientCommand_spectate(entity caller, int request)
 598 {
 599         switch (request)
 600         {
 601                 case CMD_REQUEST_COMMAND:
 602                 {
 603                         if (!intermission_running && IS_CLIENT(caller))
 604                         {
 605                                 if(argv(1) != "")
 606                                 {
 607                                         if(IS_SPEC(caller) || IS_OBSERVER(caller))
 608                                         {
 609                                                 entity client = GetFilteredEntity(argv(1));
 610                                                 int spec_accepted = VerifyClientEntity(client, false, false);
 611                                                 if(spec_accepted > 0 && IS_PLAYER(client))
 612                                                 {
 613                                                         bool caller_is_observer = (IS_OBSERVER(caller));
 614                                                         Spectate(caller, client);
 615                                                         if (caller_is_observer)
 616                                                                 TRANSMUTE(Spectator, caller);
 617                                                 }
 618                                                 else
 619                                                         sprint(caller, "Can't spectate ", argv(1), "^7\n");
 620                                         }
 621                                         else
 622                                                 sprint(caller, "cmd spectate client only works when you are spectator/observer\n");
 623                                         return;
 624                                 }
 625
 626                                 int mutator_returnvalue = MUTATOR_CALLHOOK(ClientCommand_Spectate, caller);
 627
 628                                 if (mutator_returnvalue == MUT_SPECCMD_RETURN) return;
 629
 630                                 if ((IS_PLAYER(caller) || mutator_returnvalue == MUT_SPECCMD_FORCE))
 631                                 if (autocvar_sv_spectate == 1)
 632                                         ClientKill_TeamChange(caller, -2); // observe
 633                         }
 634                         return; // never fall through to usage
 635                 }
 636
 637                 default:
 638                 case CMD_REQUEST_USAGE:
 639                 {
 640                         sprint(caller, "\nUsage:^3 cmd spectate [client]\n");
 641                         sprint(caller, "  Where 'client' can be the player to spectate.\n");
 642                         return;
 643                 }
 644         }
 645 }
 646
 647 void ClientCommand_suggestmap(entity caller, int request, int argc)
 648 {
 649         switch (request)
 650         {
 651                 case CMD_REQUEST_COMMAND:
 652                 {
 653                         if (argv(1) != "")
 654                         {
 655                                 sprint(caller, strcat(MapVote_Suggest(caller, argv(1)), "\n"));
 656                                 return;
 657                         }
 658                 }
 659
 660                 default:
 661                         sprint(caller, sprintf("Incorrect parameters for ^2%s^7\n", argv(0)));
 662                 case CMD_REQUEST_USAGE:
 663                 {
 664                         sprint(caller, "\nUsage:^3 cmd suggestmap map\n");
 665                         sprint(caller, "  Where 'map' is the name of the map to suggest.\n");
 666                         return;
 667                 }
 668         }
 669 }
 670
 671 void ClientCommand_tell(entity caller, int request, int argc, string command)
 672 {
 673         switch (request)
 674         {
 675                 case CMD_REQUEST_COMMAND:
 676                 {
 677                         if (argc >= 3)
 678                         {
 679                                 if(!IS_CLIENT(caller) && IS_REAL_CLIENT(caller)) // connecting
 680                                 {
 681                                         print_to(caller, "You can't ^2tell^7 a message while connecting.");
 682                                         return;
 683                                 }
 684
 685                                 entity tell_to = GetIndexedEntity(argc, 1);
 686                                 float tell_accepted = VerifyClientEntity(tell_to, true, false);
 687
 688                                 if (tell_accepted > 0)   // the target is a real client
 689                                 {
 690                                         if (tell_to != caller) // and we're allowed to send to them :D
 691                                         {
 692                                                 // workaround for argv indexes indexing ascii chars instead of utf8 chars
 693                                                 // In this case when the player name contains utf8 chars
 694                                                 // the message gets partially trimmed in the beginning.
 695                                                 // Potentially this bug affects any substring call that uses
 696                                                 // argv_start_index and argv_end_index.
 697
 698                                                 string utf8_enable_save = cvar_string("utf8_enable");
 699                                                 cvar_set("utf8_enable", "0");
 700                                                 string msg = substring(command, argv_start_index(next_token), argv_end_index(-1) - argv_start_index(next_token));
 701                                                 cvar_set("utf8_enable", utf8_enable_save);
 702
 703                                                 Say(caller, false, tell_to, msg, true);
 704                                                 return;
 705                                         }
 706                                         else { print_to(caller, "You can't ^2tell^7 a message to yourself."); return; }
 707                                 }
 708                                 else if (argv(1) == "#0")
 709                                 {
 710                                         trigger_magicear_processmessage_forallears(caller, -1, NULL, substring(command, argv_start_index(next_token), argv_end_index(-1) - argv_start_index(next_token)));
 711                                         return;
 712                                 }
 713                                 else { print_to(caller, strcat("tell: ", GetClientErrorString(tell_accepted, argv(1)), ".")); return; }
 714                         }
 715                 }
 716
 717                 default:
 718                         sprint(caller, sprintf("Incorrect parameters for ^2%s^7\n", argv(0)));
 719                 case CMD_REQUEST_USAGE:
 720                 {
 721                         sprint(caller, "\nUsage:^3 cmd tell client <message>\n");
 722                         sprint(caller, "  Where 'client' is the entity number or name of the player to send 'message' to.\n");
 723                         return;
 724                 }
 725         }
 726 }
 727
 728 void ClientCommand_voice(entity caller, int request, int argc, string command)
 729 {
 730         switch (request)
 731         {
 732                 case CMD_REQUEST_COMMAND:
 733                 {
 734                         if (argv(1) != "")
 735                         {
 736                                 entity e = GetVoiceMessage(argv(1));
 737                                 if (!e)
 738                                 {
 739                                         sprint(caller, sprintf("Invalid voice. Use one of: %s\n", allvoicesamples));
 740                                         return;
 741                                 }
 742                                 if (IS_DEAD(caller))
 743                                 {
 744                                         // don't warn the caller when trying to taunt while dead, just don't play any sounds!
 745                                         // we still allow them to see warnings if it's invalid, so a dead player can find out the sounds in peace
 746                                         return;
 747                                 }
 748                                 if (IS_SPEC(caller) || IS_OBSERVER(caller))
 749                                 {
 750                                         // observers/spectators have no player model of their own to play taunts from
 751                                         // again, allow them to see warnings
 752                                         return;
 753                                 }
 754                                 string msg = "";
 755                                 if (argc >= 3)
 756                                         msg = substring(command, argv_start_index(2), argv_end_index(-1) - argv_start_index(2));
 757                                 VoiceMessage(caller, e, msg);
 758
 759                                 return;
 760                         }
 761                 }
 762
 763                 default:
 764                         sprint(caller, sprintf("Incorrect parameters for ^2%s^7\n", argv(0)));
 765                 case CMD_REQUEST_USAGE:
 766                 {
 767                         sprint(caller, "\nUsage:^3 cmd voice messagetype <soundname>\n");
 768                         sprint(caller, "  'messagetype' is the type of broadcast to do, like team only or such,\n");
 769                         sprint(caller, "  and 'soundname' is the string/filename of the sound/voice message to play.\n");
 770                         return;
 771                 }
 772         }
 773 }
 774
 775 /* use this when creating a new command, making sure to place it in alphabetical order... also,
 776 ** ADD ALL NEW COMMANDS TO commands.cfg WITH PROPER ALIASES IN THE SAME FASHION!
 777 void ClientCommand_(entity caller, int request)
 778 {
 779     switch(request)
 780     {
 781         case CMD_REQUEST_COMMAND:
 782         {
 783
 784             return; // never fall through to usage
 785         }
 786
 787         default:
 788         case CMD_REQUEST_USAGE:
 789         {
 790             sprint(caller, "\nUsage:^3 cmd \n");
 791             sprint(caller, "  No arguments required.\n");
 792             return;
 793         }
 794     }
 795 }
 796 */
 797
 798
 799 // =====================================
 800 //  Macro system for networked commands
 801 // =====================================
 802
 803 // Do not hard code aliases for these, instead create them in commands.cfg... also: keep in alphabetical order, please ;)
 804 #define CLIENT_COMMANDS(ent, request, arguments, command) \
 805         CLIENT_COMMAND("autoswitch", ClientCommand_autoswitch(ent, request, arguments), "Whether or not to switch automatically when getting a better weapon") \
 806         CLIENT_COMMAND("clientversion", ClientCommand_clientversion(ent, request, arguments), "Release version of the game") \
 807         CLIENT_COMMAND("join", ClientCommand_join(ent, request), "Become a player in the game") \
 808         CLIENT_COMMAND("kill", ClientCommand_kill(ent, request), "Become a member of the dead") \
 809         CLIENT_COMMAND("minigame", ClientCommand_minigame(ent, request, arguments, command), "Start a minigame") \
 810         CLIENT_COMMAND("mv_getpicture", ClientCommand_mv_getpicture(ent, request, arguments), "Retrieve mapshot picture from the server") \
 811         CLIENT_COMMAND("physics", ClientCommand_physics(ent, request, arguments), "Change physics set") \
 812         CLIENT_COMMAND("ready", ClientCommand_ready(ent, request), "Qualify as ready to end warmup stage (or restart server if allowed)") \
 813         CLIENT_COMMAND("say", ClientCommand_say(ent, request, arguments, command), "Print a message to chat to all players") \
 814         CLIENT_COMMAND("say_team", ClientCommand_say_team(ent, request, arguments, command), "Print a message to chat to all team mates") \
 815         CLIENT_COMMAND("selectteam", ClientCommand_selectteam(ent, request, arguments), "Attempt to choose a team to join into") \
 816         CLIENT_COMMAND("selfstuff", ClientCommand_selfstuff(ent, request, command), "Stuffcmd a command to your own client") \
 817         CLIENT_COMMAND("sentcvar", ClientCommand_sentcvar(ent, request, arguments, command), "New system for sending a client cvar to the server") \
 818         CLIENT_COMMAND("spectate", ClientCommand_spectate(ent, request), "Become an observer") \
 819         CLIENT_COMMAND("suggestmap", ClientCommand_suggestmap(ent, request, arguments), "Suggest a map to the mapvote at match end") \
 820         CLIENT_COMMAND("tell", ClientCommand_tell(ent, request, arguments, command), "Send a message directly to a player") \
 821         CLIENT_COMMAND("voice", ClientCommand_voice(ent, request, arguments, command), "Send voice message via sound") \
 822         CLIENT_COMMAND("wpeditor", ClientCommand_wpeditor(ent, request, arguments), "Waypoint editor commands") \
 823         /* nothing */
 824
 825 void ClientCommand_macro_help(entity caller)
 826 {
 827         #define CLIENT_COMMAND(name, function, description) \
 828                 { sprint(caller, "  ^2", name, "^7: ", description, "\n"); }
 829
 830         CLIENT_COMMANDS(NULL, 0, 0, "");
 831 #undef CLIENT_COMMAND
 832 }
 833
 834 float ClientCommand_macro_command(int argc, entity caller, string command)
 835 {
 836         #define CLIENT_COMMAND(name, function, description) \
 837                 { if (name == strtolower(argv(0))) { function; return true; } }
 838
 839         CLIENT_COMMANDS(caller, CMD_REQUEST_COMMAND, argc, command);
 840 #undef CLIENT_COMMAND
 841
 842         return false;
 843 }
 844
 845 float ClientCommand_macro_usage(int argc, entity caller)
 846 {
 847         #define CLIENT_COMMAND(name, function, description) \
 848                 { if (name == strtolower(argv(1))) { function; return true; } }
 849
 850         CLIENT_COMMANDS(caller, CMD_REQUEST_USAGE, argc, "");
 851 #undef CLIENT_COMMAND
 852
 853         return false;
 854 }
 855
 856 void ClientCommand_macro_write_aliases(float fh)
 857 {
 858         #define CLIENT_COMMAND(name, function, description) \
 859                 { CMD_Write_Alias("qc_cmd_cmd", name, description); }
 860
 861         CLIENT_COMMANDS(NULL, 0, 0, "");
 862 #undef CLIENT_COMMAND
 863 }
 864
 865 // ======================================
 866 //  Main Function Called By Engine (cmd)
 867 // ======================================
 868 // If this function exists, server game code parses clientcommand before the engine code gets it.
 869
 870 void SV_ParseClientCommand(entity this, string command)
 871 {
 872         // If invalid UTF-8, don't even parse it
 873         string command2 = "";
 874         float len = strlen(command);
 875         float i;
 876         for (i = 0; i < len; ++i)
 877                 command2 = strcat(command2, chr2str(str2chr(command, i)));
 878         if (command != command2) return;
 879
 880         // if we're banned, don't even parse the command
 881         if (Ban_MaybeEnforceBanOnce(this)) return;
 882
 883         int argc = tokenize_console(command);
 884
 885         // Guide for working with argc arguments by example:
 886         // argc:   1    - 2      - 3     - 4
 887         // argv:   0    - 1      - 2     - 3
 888         // cmd     vote - master - login - password
 889
 890         // for floodcheck
 891         switch (strtolower(argv(0)))
 892         {
 893                 // exempt commands which are not subject to floodcheck
 894                 case "begin": break;                               // handled by engine in host_cmd.c
 895                 case "download": break;                            // handled by engine in cl_parse.c
 896                 case "mv_getpicture": break;                       // handled by server in this file
 897                 case "wpeditor": break;                            // handled by server in this file
 898                 case "pause": break;                               // handled by engine in host_cmd.c
 899                 case "prespawn": break;                            // handled by engine in host_cmd.c
 900                 case "sentcvar": break;                            // handled by server in this file
 901                 case "spawn": break;                               // handled by engine in host_cmd.c
 902                 case "color": case "topcolor": case "bottomcolor": if(teamplay) return; else break; // handled by engine in host_cmd.c
 903                 case "c2s": Net_ClientCommand(this, command); return; // handled by net.qh
 904
 905                 default:
 906                         if (SV_ParseClientCommand_floodcheck(this)) break; // "true": continue, as we're not flooding yet
 907                         else return;                                   // "false": not allowed to continue, halt // print("^1ERROR: ^7ANTISPAM CAUGHT: ", command, ".\n");
 908         }
 909
 910         /* NOTE: should this be disabled? It can be spammy perhaps, but hopefully it's okay for now */
 911         if (argv(0) == "help")
 912         {
 913                 if (argc == 1)
 914                 {
 915                         sprint(this, "\nClient networked commands:\n");
 916                         ClientCommand_macro_help(this);
 917
 918                         sprint(this, "\nCommon networked commands:\n");
 919                         CommonCommand_macro_help(this);
 920
 921                         sprint(this, "\nUsage:^3 cmd COMMAND...^7, where possible commands are listed above.\n");
 922                         sprint(this, "For help about a specific command, type cmd help COMMAND\n");
 923                         return;
 924                 }
 925                 else if (CommonCommand_macro_usage(argc, this))  // Instead of trying to call a command, we're going to see detailed information about it
 926                 {
 927                         return;
 928                 }
 929                 else if (ClientCommand_macro_usage(argc, this))  // same, but for normal commands now
 930                 {
 931                         return;
 932                 }
 933         }
 934         else if (MUTATOR_CALLHOOK(SV_ParseClientCommand, this, strtolower(argv(0)), argc, command))
 935         {
 936                 return;  // handled by a mutator
 937         }
 938         else if (CheatCommand(this, argc))
 939         {
 940                 return;  // handled by server/cheats.qc
 941         }
 942         else if (CommonCommand_macro_command(argc, this, command))
 943         {
 944                 return;                                          // handled by server/command/common.qc
 945         }
 946         else if (ClientCommand_macro_command(argc, this, command)) // continue as usual and scan for normal commands
 947         {
 948                 return;                                          // handled by one of the above ClientCommand_* functions
 949         }
 950         else
 951         {
 952                 clientcommand(this, command);
 953         }
 954 }