cmd.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // cmd.c -- Quake script command processing module
  21
  22 #include "quakedef.h"
  23 #include "thread.h"
  24
  25 cmd_state_t cmd_client;
  26 cmd_state_t cmd_server;
  27 cmd_state_t cmd_serverfromclient;
  28
  29 cmd_userdefined_t cmd_userdefined_all;
  30 cmd_userdefined_t cmd_userdefined_null;
  31
  32 typedef struct cmd_iter_s {
  33         cmd_state_t *cmd;
  34 }
  35 cmd_iter_t;
  36
  37 static cmd_iter_t cmd_iter_all[] = {
  38         {&cmd_client},
  39         {&cmd_server},
  40         {&cmd_serverfromclient},
  41         {NULL},
  42 };
  43
  44
  45 // we only run the +whatever commandline arguments once
  46 qboolean host_stuffcmdsrun = false;
  47
  48 //=============================================================================
  49
  50 void Cbuf_Lock(cmd_state_t *cmd)
  51 {
  52         Thread_AtomicLock(&cmd->text_lock);
  53 }
  54
  55 void Cbuf_Unlock(cmd_state_t *cmd)
  56 {
  57         Thread_AtomicUnlock(&cmd->text_lock);
  58 }
  59
  60
  61 /*
  62 ============
  63 Cmd_Wait_f
  64
  65 Causes execution of the remainder of the command buffer to be delayed until
  66 next frame.  This allows commands like:
  67 bind g "impulse 5 ; +attack ; wait ; -attack ; impulse 2"
  68 ============
  69 */
  70 static void Cmd_Wait_f (cmd_state_t *cmd)
  71 {
  72         cmd->wait = true;
  73 }
  74
  75 /*
  76 ============
  77 Cmd_Defer_f
  78
  79 Cause a command to be executed after a delay.
  80 ============
  81 */
  82 static void Cmd_Defer_f (cmd_state_t *cmd)
  83 {
  84         if(Cmd_Argc(cmd) == 1)
  85         {
  86                 cmddeferred_t *next = cmd->deferred_list;
  87                 if(!next)
  88                         Con_Printf("No commands are pending.\n");
  89                 while(next)
  90                 {
  91                         Con_Printf("-> In %9.2f: %s\n", next->delay, next->value);
  92                         next = next->next;
  93                 }
  94         } else if(Cmd_Argc(cmd) == 2 && !strcasecmp("clear", Cmd_Argv(cmd, 1)))
  95         {
  96                 while(cmd->deferred_list)
  97                 {
  98                         cmddeferred_t *defcmd = cmd->deferred_list;
  99                         cmd->deferred_list = defcmd->next;
 100                         Mem_Free(defcmd->value);
 101                         Mem_Free(defcmd);
 102                 }
 103         } else if(Cmd_Argc(cmd) == 3)
 104         {
 105                 const char *value = Cmd_Argv(cmd, 2);
 106                 cmddeferred_t *defcmd = (cmddeferred_t*)Mem_Alloc(tempmempool, sizeof(*defcmd));
 107                 size_t len = strlen(value);
 108
 109                 defcmd->delay = atof(Cmd_Argv(cmd, 1));
 110                 defcmd->value = (char*)Mem_Alloc(tempmempool, len+1);
 111                 memcpy(defcmd->value, value, len+1);
 112                 defcmd->next = NULL;
 113
 114                 if(cmd->deferred_list)
 115                 {
 116                         cmddeferred_t *next = cmd->deferred_list;
 117                         while(next->next)
 118                                 next = next->next;
 119                         next->next = defcmd;
 120                 } else
 121                         cmd->deferred_list = defcmd;
 122                 /* Stupid me... this changes the order... so commands with the same delay go blub :S
 123                   defcmd->next = cmd_deferred_list;
 124                   cmd_deferred_list = defcmd;*/
 125         } else {
 126                 Con_Printf("usage: defer <seconds> <command>\n"
 127                            "       defer clear\n");
 128                 return;
 129         }
 130 }
 131
 132 /*
 133 ============
 134 Cmd_Centerprint_f
 135
 136 Print something to the center of the screen using SCR_Centerprint
 137 ============
 138 */
 139 static void Cmd_Centerprint_f (cmd_state_t *cmd)
 140 {
 141         char msg[MAX_INPUTLINE];
 142         unsigned int i, c, p;
 143         c = Cmd_Argc(cmd);
 144         if(c >= 2)
 145         {
 146                 strlcpy(msg, Cmd_Argv(cmd,1), sizeof(msg));
 147                 for(i = 2; i < c; ++i)
 148                 {
 149                         strlcat(msg, " ", sizeof(msg));
 150                         strlcat(msg, Cmd_Argv(cmd, i), sizeof(msg));
 151                 }
 152                 c = (unsigned int)strlen(msg);
 153                 for(p = 0, i = 0; i < c; ++i)
 154                 {
 155                         if(msg[i] == '\\')
 156                         {
 157                                 if(msg[i+1] == 'n')
 158                                         msg[p++] = '\n';
 159                                 else if(msg[i+1] == '\\')
 160                                         msg[p++] = '\\';
 161                                 else {
 162                                         msg[p++] = '\\';
 163                                         msg[p++] = msg[i+1];
 164                                 }
 165                                 ++i;
 166                         } else {
 167                                 msg[p++] = msg[i];
 168                         }
 169                 }
 170                 msg[p] = '\0';
 171                 SCR_CenterPrint(msg);
 172         }
 173 }
 174
 175 /*
 176 =============================================================================
 177
 178                                                 COMMAND BUFFER
 179
 180 =============================================================================
 181 */
 182
 183 /*
 184 ============
 185 Cbuf_AddText
 186
 187 Adds command text at the end of the buffer
 188 ============
 189 */
 190 void Cbuf_AddText (cmd_state_t *cmd, const char *text)
 191 {
 192         int             l;
 193
 194         l = (int)strlen(text);
 195
 196         Cbuf_Lock(cmd);
 197         if (cmd->text.maxsize - cmd->text.cursize <= l)
 198                 Con_Print("Cbuf_AddText: overflow\n");
 199         else
 200                 SZ_Write(&cmd->text, (const unsigned char *)text, l);
 201         Cbuf_Unlock(cmd);
 202 }
 203
 204
 205 /*
 206 ============
 207 Cbuf_InsertText
 208
 209 Adds command text immediately after the current command
 210 Adds a \n to the text
 211 FIXME: actually change the command buffer to do less copying
 212 ============
 213 */
 214 void Cbuf_InsertText (cmd_state_t *cmd, const char *text)
 215 {
 216         size_t l = strlen(text);
 217         Cbuf_Lock(cmd);
 218         // we need to memmove the existing text and stuff this in before it...
 219         if (cmd->text.cursize + l >= (size_t)cmd->text.maxsize)
 220                 Con_Print("Cbuf_InsertText: overflow\n");
 221         else
 222         {
 223                 // we don't have a SZ_Prepend, so...
 224                 memmove(cmd->text.data + l, cmd->text.data, cmd->text.cursize);
 225                 cmd->text.cursize += (int)l;
 226                 memcpy(cmd->text.data, text, l);
 227         }
 228         Cbuf_Unlock(cmd);
 229 }
 230
 231 /*
 232 ============
 233 Cbuf_Execute_Deferred --blub
 234 ============
 235 */
 236 static void Cbuf_Execute_Deferred (cmd_state_t *cmd)
 237 {
 238         cmddeferred_t *defcmd, *prev;
 239         double eat;
 240         if (realtime - cmd->deferred_oldrealtime < 0 || realtime - cmd->deferred_oldrealtime > 1800) cmd->deferred_oldrealtime = realtime;
 241         eat = realtime - cmd->deferred_oldrealtime;
 242         if (eat < (1.0 / 120.0))
 243                 return;
 244         cmd->deferred_oldrealtime = realtime;
 245         prev = NULL;
 246         defcmd = cmd->deferred_list;
 247         while(defcmd)
 248         {
 249                 defcmd->delay -= eat;
 250                 if(defcmd->delay <= 0)
 251                 {
 252                         Cbuf_AddText(cmd, defcmd->value);
 253                         Cbuf_AddText(cmd, ";\n");
 254                         Mem_Free(defcmd->value);
 255
 256                         if(prev) {
 257                                 prev->next = defcmd->next;
 258                                 Mem_Free(defcmd);
 259                                 defcmd = prev->next;
 260                         } else {
 261                                 cmd->deferred_list = defcmd->next;
 262                                 Mem_Free(defcmd);
 263                                 defcmd = cmd->deferred_list;
 264                         }
 265                         continue;
 266                 }
 267                 prev = defcmd;
 268                 defcmd = defcmd->next;
 269         }
 270 }
 271
 272 /*
 273 ============
 274 Cbuf_Execute
 275 ============
 276 */
 277 static qboolean Cmd_PreprocessString(cmd_state_t *cmd, const char *intext, char *outtext, unsigned maxoutlen, cmdalias_t *alias );
 278 void Cbuf_Execute (cmd_state_t *cmd)
 279 {
 280         int i;
 281         char *text;
 282         char line[MAX_INPUTLINE];
 283         char preprocessed[MAX_INPUTLINE];
 284         char *firstchar;
 285         qboolean quotes;
 286         char *comment;
 287
 288         // LadyHavoc: making sure the tokenizebuffer doesn't get filled up by repeated crashes
 289         cmd->tokenizebufferpos = 0;
 290
 291         while (cmd->text.cursize)
 292         {
 293 // find a \n or ; line break
 294                 text = (char *)cmd->text.data;
 295
 296                 quotes = false;
 297                 comment = NULL;
 298                 for (i=0 ; i < cmd->text.cursize ; i++)
 299                 {
 300                         if(!comment)
 301                         {
 302                                 if (text[i] == '"')
 303                                         quotes = !quotes;
 304
 305                                 if(quotes)
 306                                 {
 307                                         // make sure i doesn't get > cursize which causes a negative
 308                                         // size in memmove, which is fatal --blub
 309                                         if (i < (cmd->text.cursize-1) && (text[i] == '\\' && (text[i+1] == '"' || text[i+1] == '\\')))
 310                                                 i++;
 311                                 }
 312                                 else
 313                                 {
 314                                         if(text[i] == '/' && text[i + 1] == '/' && (i == 0 || ISWHITESPACE(text[i-1])))
 315                                                 comment = &text[i];
 316                                         if(text[i] == ';')
 317                                                 break;  // don't break if inside a quoted string or comment
 318                                 }
 319                         }
 320
 321                         if (text[i] == '\r' || text[i] == '\n')
 322                                 break;
 323                 }
 324
 325                 // better than CRASHING on overlong input lines that may SOMEHOW enter the buffer
 326                 if(i >= MAX_INPUTLINE)
 327                 {
 328                         Con_Warnf("Warning: console input buffer had an overlong line. Ignored.\n");
 329                         line[0] = 0;
 330                 }
 331                 else
 332                 {
 333                         memcpy (line, text, comment ? (comment - text) : i);
 334                         line[comment ? (comment - text) : i] = 0;
 335                 }
 336
 337 // delete the text from the command buffer and move remaining commands down
 338 // this is necessary because commands (exec, alias) can insert data at the
 339 // beginning of the text buffer
 340
 341                 if (i == cmd->text.cursize)
 342                         cmd->text.cursize = 0;
 343                 else
 344                 {
 345                         i++;
 346                         cmd->text.cursize -= i;
 347                         memmove (cmd->text.data, text+i, cmd->text.cursize);
 348                 }
 349
 350 // execute the command line
 351                 firstchar = line;
 352                 while(*firstchar && ISWHITESPACE(*firstchar))
 353                         ++firstchar;
 354                 if(
 355                         (strncmp(firstchar, "alias", 5) || !ISWHITESPACE(firstchar[5]))
 356                         &&
 357                         (strncmp(firstchar, "bind", 4) || !ISWHITESPACE(firstchar[4]))
 358                         &&
 359                         (strncmp(firstchar, "in_bind", 7) || !ISWHITESPACE(firstchar[7]))
 360                 )
 361                 {
 362                         if(Cmd_PreprocessString( cmd, line, preprocessed, sizeof(preprocessed), NULL ))
 363                                 Cmd_ExecuteString (cmd, preprocessed, src_command, false);
 364                 }
 365                 else
 366                 {
 367                         Cmd_ExecuteString (cmd, line, src_command, false);
 368                 }
 369
 370                 if (cmd->wait)
 371                 {       // skip out while text still remains in buffer, leaving it
 372                         // for next frame
 373                         cmd->wait = false;
 374                         break;
 375                 }
 376         }
 377 }
 378
 379 void Cbuf_Frame(cmd_state_t *cmd)
 380 {
 381         Cbuf_Execute_Deferred(cmd);
 382         if (cmd->text.cursize)
 383         {
 384                 SV_LockThreadMutex();
 385                 Cbuf_Execute(cmd);
 386                 SV_UnlockThreadMutex();
 387         }
 388 }
 389
 390 /*
 391 ==============================================================================
 392
 393                                                 SCRIPT COMMANDS
 394
 395 ==============================================================================
 396 */
 397
 398 extern qboolean host_init;
 399
 400 /*
 401 ===============
 402 Cmd_StuffCmds_f
 403
 404 Adds command line parameters as script statements
 405 Commands lead with a +, and continue until a - or another +
 406 quake +prog jctest.qp +cmd amlev1
 407 quake -nosound +cmd amlev1
 408 ===============
 409 */
 410 static void Cmd_StuffCmds_f (cmd_state_t *cmd)
 411 {
 412         int             i, j, l;
 413         // this is for all commandline options combined (and is bounds checked)
 414         char    build[MAX_INPUTLINE];
 415
 416         // come back later so we don't crash
 417         if(host_init)
 418                 return;
 419
 420         if (Cmd_Argc (cmd) != 1)
 421         {
 422                 Con_Print("stuffcmds : execute command line parameters\n");
 423                 return;
 424         }
 425
 426         // no reason to run the commandline arguments twice
 427         if (host_stuffcmdsrun)
 428                 return;
 429
 430         host_stuffcmdsrun = true;
 431         build[0] = 0;
 432         l = 0;
 433         for (i = 0;i < com_argc;i++)
 434         {
 435                 if (com_argv[i] && com_argv[i][0] == '+' && (com_argv[i][1] < '0' || com_argv[i][1] > '9') && l + strlen(com_argv[i]) - 1 <= sizeof(build) - 1)
 436                 {
 437                         j = 1;
 438                         while (com_argv[i][j])
 439                                 build[l++] = com_argv[i][j++];
 440                         i++;
 441                         for (;i < com_argc;i++)
 442                         {
 443                                 if (!com_argv[i])
 444                                         continue;
 445                                 if ((com_argv[i][0] == '+' || com_argv[i][0] == '-') && (com_argv[i][1] < '0' || com_argv[i][1] > '9'))
 446                                         break;
 447                                 if (l + strlen(com_argv[i]) + 4 > sizeof(build) - 1)
 448                                         break;
 449                                 build[l++] = ' ';
 450                                 if (strchr(com_argv[i], ' '))
 451                                         build[l++] = '\"';
 452                                 for (j = 0;com_argv[i][j];j++)
 453                                         build[l++] = com_argv[i][j];
 454                                 if (strchr(com_argv[i], ' '))
 455                                         build[l++] = '\"';
 456                         }
 457                         build[l++] = '\n';
 458                         i--;
 459                 }
 460         }
 461         // now terminate the combined string and prepend it to the command buffer
 462         // we already reserved space for the terminator
 463         build[l++] = 0;
 464         Cbuf_InsertText (cmd, build);
 465 }
 466
 467 static void Cmd_Exec(cmd_state_t *cmd, const char *filename)
 468 {
 469         char *f;
 470         size_t filenameLen = strlen(filename);
 471         qboolean isdefaultcfg =
 472                 !strcmp(filename, "default.cfg") ||
 473                 (filenameLen >= 12 && !strcmp(filename + filenameLen - 12, "/default.cfg"));
 474
 475         if (!strcmp(filename, "config.cfg"))
 476         {
 477                 filename = CONFIGFILENAME;
 478                 if (COM_CheckParm("-noconfig"))
 479                         return; // don't execute config.cfg
 480         }
 481
 482         f = (char *)FS_LoadFile (filename, tempmempool, false, NULL);
 483         if (!f)
 484         {
 485                 Con_Printf("couldn't exec %s\n",filename);
 486                 return;
 487         }
 488         Con_Printf("execing %s\n",filename);
 489
 490         // if executing default.cfg for the first time, lock the cvar defaults
 491         // it may seem backwards to insert this text BEFORE the default.cfg
 492         // but Cbuf_InsertText inserts before, so this actually ends up after it.
 493         if (isdefaultcfg)
 494                 Cbuf_InsertText(cmd, "\ncvar_lockdefaults\n");
 495
 496         // insert newline after the text to make sure the last line is terminated (some text editors omit the trailing newline)
 497         // (note: insertion order here is backwards from execution order, so this adds it after the text, by calling it before...)
 498         Cbuf_InsertText (cmd, "\n");
 499         Cbuf_InsertText (cmd, f);
 500         Mem_Free(f);
 501
 502         if (isdefaultcfg)
 503         {
 504                 // special defaults for specific games go here, these execute before default.cfg
 505                 // Nehahra pushable crates malfunction in some levels if this is on
 506                 // Nehahra NPC AI is confused by blowupfallenzombies
 507                 switch(gamemode)
 508                 {
 509                 case GAME_NORMAL:
 510                         Cbuf_InsertText(cmd, "\n"
 511 "sv_gameplayfix_blowupfallenzombies 0\n"
 512 "sv_gameplayfix_findradiusdistancetobox 0\n"
 513 "sv_gameplayfix_grenadebouncedownslopes 0\n"
 514 "sv_gameplayfix_slidemoveprojectiles 0\n"
 515 "sv_gameplayfix_upwardvelocityclearsongroundflag 0\n"
 516 "sv_gameplayfix_setmodelrealbox 0\n"
 517 "sv_gameplayfix_droptofloorstartsolid 0\n"
 518 "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 0\n"
 519 "sv_gameplayfix_noairborncorpse 0\n"
 520 "sv_gameplayfix_noairborncorpse_allowsuspendeditems 0\n"
 521 "sv_gameplayfix_easierwaterjump 0\n"
 522 "sv_gameplayfix_delayprojectiles 0\n"
 523 "sv_gameplayfix_multiplethinksperframe 0\n"
 524 "sv_gameplayfix_fixedcheckwatertransition 0\n"
 525 "sv_gameplayfix_q1bsptracelinereportstexture 0\n"
 526 "sv_gameplayfix_swiminbmodels 0\n"
 527 "sv_gameplayfix_downtracesupportsongroundflag 0\n"
 528 "sys_ticrate 0.01388889\n"
 529 "r_shadow_gloss 1\n"
 530 "r_shadow_bumpscale_basetexture 0\n"
 531 "csqc_polygons_defaultmaterial_nocullface 0\n"
 532                                 );
 533                         break;
 534                 case GAME_NEHAHRA:
 535                         Cbuf_InsertText(cmd, "\n"
 536 "sv_gameplayfix_blowupfallenzombies 0\n"
 537 "sv_gameplayfix_findradiusdistancetobox 0\n"
 538 "sv_gameplayfix_grenadebouncedownslopes 0\n"
 539 "sv_gameplayfix_slidemoveprojectiles 0\n"
 540 "sv_gameplayfix_upwardvelocityclearsongroundflag 0\n"
 541 "sv_gameplayfix_setmodelrealbox 0\n"
 542 "sv_gameplayfix_droptofloorstartsolid 0\n"
 543 "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 0\n"
 544 "sv_gameplayfix_noairborncorpse 0\n"
 545 "sv_gameplayfix_noairborncorpse_allowsuspendeditems 0\n"
 546 "sv_gameplayfix_easierwaterjump 0\n"
 547 "sv_gameplayfix_delayprojectiles 0\n"
 548 "sv_gameplayfix_multiplethinksperframe 0\n"
 549 "sv_gameplayfix_fixedcheckwatertransition 0\n"
 550 "sv_gameplayfix_q1bsptracelinereportstexture 0\n"
 551 "sv_gameplayfix_swiminbmodels 0\n"
 552 "sv_gameplayfix_downtracesupportsongroundflag 0\n"
 553 "sys_ticrate 0.01388889\n"
 554 "r_shadow_gloss 1\n"
 555 "r_shadow_bumpscale_basetexture 0\n"
 556 "csqc_polygons_defaultmaterial_nocullface 0\n"
 557                                 );
 558                         break;
 559                 // hipnotic mission pack has issues in their 'friendly monster' ai, which seem to attempt to attack themselves for some reason when findradius() returns non-solid entities.
 560                 // hipnotic mission pack has issues with bobbing water entities 'jittering' between different heights on alternate frames at the default 0.0138889 ticrate, 0.02 avoids this issue
 561                 // hipnotic mission pack has issues in their proximity mine sticking code, which causes them to bounce off.
 562                 case GAME_HIPNOTIC:
 563                 case GAME_QUOTH:
 564                         Cbuf_InsertText(cmd, "\n"
 565 "sv_gameplayfix_blowupfallenzombies 0\n"
 566 "sv_gameplayfix_findradiusdistancetobox 0\n"
 567 "sv_gameplayfix_grenadebouncedownslopes 0\n"
 568 "sv_gameplayfix_slidemoveprojectiles 0\n"
 569 "sv_gameplayfix_upwardvelocityclearsongroundflag 0\n"
 570 "sv_gameplayfix_setmodelrealbox 0\n"
 571 "sv_gameplayfix_droptofloorstartsolid 0\n"
 572 "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 0\n"
 573 "sv_gameplayfix_noairborncorpse 0\n"
 574 "sv_gameplayfix_noairborncorpse_allowsuspendeditems 0\n"
 575 "sv_gameplayfix_easierwaterjump 0\n"
 576 "sv_gameplayfix_delayprojectiles 0\n"
 577 "sv_gameplayfix_multiplethinksperframe 0\n"
 578 "sv_gameplayfix_fixedcheckwatertransition 0\n"
 579 "sv_gameplayfix_q1bsptracelinereportstexture 0\n"
 580 "sv_gameplayfix_swiminbmodels 0\n"
 581 "sv_gameplayfix_downtracesupportsongroundflag 0\n"
 582 "sys_ticrate 0.02\n"
 583 "r_shadow_gloss 1\n"
 584 "r_shadow_bumpscale_basetexture 0\n"
 585 "csqc_polygons_defaultmaterial_nocullface 0\n"
 586                                 );
 587                         break;
 588                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
 589                 case GAME_ROGUE:
 590                         Cbuf_InsertText(cmd, "\n"
 591 "sv_gameplayfix_blowupfallenzombies 0\n"
 592 "sv_gameplayfix_findradiusdistancetobox 0\n"
 593 "sv_gameplayfix_grenadebouncedownslopes 0\n"
 594 "sv_gameplayfix_slidemoveprojectiles 0\n"
 595 "sv_gameplayfix_upwardvelocityclearsongroundflag 0\n"
 596 "sv_gameplayfix_setmodelrealbox 0\n"
 597 "sv_gameplayfix_droptofloorstartsolid 0\n"
 598 "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 0\n"
 599 "sv_gameplayfix_noairborncorpse 0\n"
 600 "sv_gameplayfix_noairborncorpse_allowsuspendeditems 0\n"
 601 "sv_gameplayfix_easierwaterjump 0\n"
 602 "sv_gameplayfix_delayprojectiles 0\n"
 603 "sv_gameplayfix_multiplethinksperframe 0\n"
 604 "sv_gameplayfix_fixedcheckwatertransition 0\n"
 605 "sv_gameplayfix_q1bsptracelinereportstexture 0\n"
 606 "sv_gameplayfix_swiminbmodels 0\n"
 607 "sv_gameplayfix_downtracesupportsongroundflag 0\n"
 608 "sys_ticrate 0.01388889\n"
 609 "r_shadow_gloss 1\n"
 610 "r_shadow_bumpscale_basetexture 0\n"
 611 "csqc_polygons_defaultmaterial_nocullface 0\n"
 612                                 );
 613                         break;
 614                 case GAME_TENEBRAE:
 615                         Cbuf_InsertText(cmd, "\n"
 616 "sv_gameplayfix_blowupfallenzombies 0\n"
 617 "sv_gameplayfix_findradiusdistancetobox 0\n"
 618 "sv_gameplayfix_grenadebouncedownslopes 0\n"
 619 "sv_gameplayfix_slidemoveprojectiles 0\n"
 620 "sv_gameplayfix_upwardvelocityclearsongroundflag 0\n"
 621 "sv_gameplayfix_setmodelrealbox 0\n"
 622 "sv_gameplayfix_droptofloorstartsolid 0\n"
 623 "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 0\n"
 624 "sv_gameplayfix_noairborncorpse 0\n"
 625 "sv_gameplayfix_noairborncorpse_allowsuspendeditems 0\n"
 626 "sv_gameplayfix_easierwaterjump 0\n"
 627 "sv_gameplayfix_delayprojectiles 0\n"
 628 "sv_gameplayfix_multiplethinksperframe 0\n"
 629 "sv_gameplayfix_fixedcheckwatertransition 0\n"
 630 "sv_gameplayfix_q1bsptracelinereportstexture 0\n"
 631 "sv_gameplayfix_swiminbmodels 0\n"
 632 "sv_gameplayfix_downtracesupportsongroundflag 0\n"
 633 "sys_ticrate 0.01388889\n"
 634 "r_shadow_gloss 2\n"
 635 "r_shadow_bumpscale_basetexture 4\n"
 636 "csqc_polygons_defaultmaterial_nocullface 0\n"
 637                                 );
 638                         break;
 639                 case GAME_NEXUIZ:
 640                         Cbuf_InsertText(cmd, "\n"
 641 "sv_gameplayfix_blowupfallenzombies 1\n"
 642 "sv_gameplayfix_findradiusdistancetobox 1\n"
 643 "sv_gameplayfix_grenadebouncedownslopes 1\n"
 644 "sv_gameplayfix_slidemoveprojectiles 1\n"
 645 "sv_gameplayfix_upwardvelocityclearsongroundflag 1\n"
 646 "sv_gameplayfix_setmodelrealbox 1\n"
 647 "sv_gameplayfix_droptofloorstartsolid 1\n"
 648 "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 1\n"
 649 "sv_gameplayfix_noairborncorpse 1\n"
 650 "sv_gameplayfix_noairborncorpse_allowsuspendeditems 1\n"
 651 "sv_gameplayfix_easierwaterjump 1\n"
 652 "sv_gameplayfix_delayprojectiles 1\n"
 653 "sv_gameplayfix_multiplethinksperframe 1\n"
 654 "sv_gameplayfix_fixedcheckwatertransition 1\n"
 655 "sv_gameplayfix_q1bsptracelinereportstexture 1\n"
 656 "sv_gameplayfix_swiminbmodels 1\n"
 657 "sv_gameplayfix_downtracesupportsongroundflag 1\n"
 658 "sys_ticrate 0.01388889\n"
 659 "sv_gameplayfix_q2airaccelerate 1\n"
 660 "sv_gameplayfix_stepmultipletimes 1\n"
 661 "csqc_polygons_defaultmaterial_nocullface 1\n"
 662 "con_chatsound_team_mask 13\n"
 663                                 );
 664                         break;
 665                 case GAME_XONOTIC:
 666                 case GAME_VORETOURNAMENT:
 667                         // compatibility for versions prior to 2020-05-25, this can be overridden in newer versions to get the default behavior and be consistent with FTEQW engine
 668                         Cbuf_InsertText(cmd, "\n"
 669 "csqc_polygons_defaultmaterial_nocullface 1\n"
 670 "con_chatsound_team_mask 13\n"
 671                                 );
 672                         break;
 673                 // Steel Storm: Burning Retribution csqc misinterprets CSQC_InputEvent if type is a value other than 0 or 1
 674                 case GAME_STEELSTORM:
 675                         Cbuf_InsertText(cmd, "\n"
 676 "sv_gameplayfix_blowupfallenzombies 1\n"
 677 "sv_gameplayfix_findradiusdistancetobox 1\n"
 678 "sv_gameplayfix_grenadebouncedownslopes 1\n"
 679 "sv_gameplayfix_slidemoveprojectiles 1\n"
 680 "sv_gameplayfix_upwardvelocityclearsongroundflag 1\n"
 681 "sv_gameplayfix_setmodelrealbox 1\n"
 682 "sv_gameplayfix_droptofloorstartsolid 1\n"
 683 "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 1\n"
 684 "sv_gameplayfix_noairborncorpse 1\n"
 685 "sv_gameplayfix_noairborncorpse_allowsuspendeditems 1\n"
 686 "sv_gameplayfix_easierwaterjump 1\n"
 687 "sv_gameplayfix_delayprojectiles 1\n"
 688 "sv_gameplayfix_multiplethinksperframe 1\n"
 689 "sv_gameplayfix_fixedcheckwatertransition 1\n"
 690 "sv_gameplayfix_q1bsptracelinereportstexture 1\n"
 691 "sv_gameplayfix_swiminbmodels 1\n"
 692 "sv_gameplayfix_downtracesupportsongroundflag 1\n"
 693 "sys_ticrate 0.01388889\n"
 694 "cl_csqc_generatemousemoveevents 0\n"
 695 "csqc_polygons_defaultmaterial_nocullface 1\n"
 696                                 );
 697                         break;
 698                 default:
 699                         Cbuf_InsertText(cmd, "\n"
 700 "sv_gameplayfix_blowupfallenzombies 1\n"
 701 "sv_gameplayfix_findradiusdistancetobox 1\n"
 702 "sv_gameplayfix_grenadebouncedownslopes 1\n"
 703 "sv_gameplayfix_slidemoveprojectiles 1\n"
 704 "sv_gameplayfix_upwardvelocityclearsongroundflag 1\n"
 705 "sv_gameplayfix_setmodelrealbox 1\n"
 706 "sv_gameplayfix_droptofloorstartsolid 1\n"
 707 "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 1\n"
 708 "sv_gameplayfix_noairborncorpse 1\n"
 709 "sv_gameplayfix_noairborncorpse_allowsuspendeditems 1\n"
 710 "sv_gameplayfix_easierwaterjump 1\n"
 711 "sv_gameplayfix_delayprojectiles 1\n"
 712 "sv_gameplayfix_multiplethinksperframe 1\n"
 713 "sv_gameplayfix_fixedcheckwatertransition 1\n"
 714 "sv_gameplayfix_q1bsptracelinereportstexture 1\n"
 715 "sv_gameplayfix_swiminbmodels 1\n"
 716 "sv_gameplayfix_downtracesupportsongroundflag 1\n"
 717 "sys_ticrate 0.01388889\n"
 718 "csqc_polygons_defaultmaterial_nocullface 0\n"
 719                                 );
 720                         break;
 721                 }
 722         }
 723 }
 724
 725 /*
 726 ===============
 727 Cmd_Exec_f
 728 ===============
 729 */
 730 static void Cmd_Exec_f (cmd_state_t *cmd)
 731 {
 732         fssearch_t *s;
 733         int i;
 734
 735         if (Cmd_Argc(cmd) != 2)
 736         {
 737                 Con_Print("exec <filename> : execute a script file\n");
 738                 return;
 739         }
 740
 741         s = FS_Search(Cmd_Argv(cmd, 1), true, true);
 742         if(!s || !s->numfilenames)
 743         {
 744                 Con_Printf("couldn't exec %s\n",Cmd_Argv(cmd, 1));
 745                 return;
 746         }
 747
 748         for(i = 0; i < s->numfilenames; ++i)
 749                 Cmd_Exec(cmd, s->filenames[i]);
 750
 751         FS_FreeSearch(s);
 752 }
 753
 754
 755 /*
 756 ===============
 757 Cmd_Echo_f
 758
 759 Just prints the rest of the line to the console
 760 ===============
 761 */
 762 static void Cmd_Echo_f (cmd_state_t *cmd)
 763 {
 764         int             i;
 765
 766         for (i=1 ; i<Cmd_Argc(cmd) ; i++)
 767                 Con_Printf("%s ",Cmd_Argv(cmd, i));
 768         Con_Print("\n");
 769 }
 770
 771 // DRESK - 5/14/06
 772 // Support Doom3-style Toggle Console Command
 773 /*
 774 ===============
 775 Cmd_Toggle_f
 776
 777 Toggles a specified console variable amongst the values specified (default is 0 and 1)
 778 ===============
 779 */
 780 static void Cmd_Toggle_f(cmd_state_t *cmd)
 781 {
 782         // Acquire Number of Arguments
 783         int nNumArgs = Cmd_Argc(cmd);
 784
 785         if(nNumArgs == 1)
 786                 // No Arguments Specified; Print Usage
 787                 Con_Print("Toggle Console Variable - Usage\n  toggle <variable> - toggles between 0 and 1\n  toggle <variable> <value> - toggles between 0 and <value>\n  toggle <variable> [string 1] [string 2]...[string n] - cycles through all strings\n");
 788         else
 789         { // Correct Arguments Specified
 790                 // Acquire Potential CVar
 791                 cvar_t* cvCVar = Cvar_FindVar(cmd->cvars, Cmd_Argv(cmd, 1), cmd->cvars_flagsmask);
 792
 793                 if(cvCVar != NULL)
 794                 { // Valid CVar
 795                         if(nNumArgs == 2)
 796                         { // Default Usage
 797                                 if(cvCVar->integer)
 798                                         Cvar_SetValueQuick(cvCVar, 0);
 799                                 else
 800                                         Cvar_SetValueQuick(cvCVar, 1);
 801                         }
 802                         else
 803                         if(nNumArgs == 3)
 804                         { // 0 and Specified Usage
 805                                 if(cvCVar->integer == atoi(Cmd_Argv(cmd, 2) ) )
 806                                         // CVar is Specified Value; // Reset to 0
 807                                         Cvar_SetValueQuick(cvCVar, 0);
 808                                 else
 809                                 if(cvCVar->integer == 0)
 810                                         // CVar is 0; Specify Value
 811                                         Cvar_SetQuick(cvCVar, Cmd_Argv(cmd, 2) );
 812                                 else
 813                                         // CVar does not match; Reset to 0
 814                                         Cvar_SetValueQuick(cvCVar, 0);
 815                         }
 816                         else
 817                         { // Variable Values Specified
 818                                 int nCnt;
 819                                 int bFound = 0;
 820
 821                                 for(nCnt = 2; nCnt < nNumArgs; nCnt++)
 822                                 { // Cycle through Values
 823                                         if( strcmp(cvCVar->string, Cmd_Argv(cmd, nCnt) ) == 0)
 824                                         { // Current Value Located; Increment to Next
 825                                                 if( (nCnt + 1) == nNumArgs)
 826                                                         // Max Value Reached; Reset
 827                                                         Cvar_SetQuick(cvCVar, Cmd_Argv(cmd, 2) );
 828                                                 else
 829                                                         // Next Value
 830                                                         Cvar_SetQuick(cvCVar, Cmd_Argv(cmd, nCnt + 1) );
 831
 832                                                 // End Loop
 833                                                 nCnt = nNumArgs;
 834                                                 // Assign Found
 835                                                 bFound = 1;
 836                                         }
 837                                 }
 838                                 if(!bFound)
 839                                         // Value not Found; Reset to Original
 840                                         Cvar_SetQuick(cvCVar, Cmd_Argv(cmd, 2) );
 841                         }
 842
 843                 }
 844                 else
 845                 { // Invalid CVar
 846                         Con_Printf("ERROR : CVar '%s' not found\n", Cmd_Argv(cmd, 1) );
 847                 }
 848         }
 849 }
 850
 851 /*
 852 ===============
 853 Cmd_Alias_f
 854
 855 Creates a new command that executes a command string (possibly ; seperated)
 856 ===============
 857 */
 858 static void Cmd_Alias_f (cmd_state_t *cmd)
 859 {
 860         cmdalias_t      *a;
 861         char            line[MAX_INPUTLINE];
 862         int                     i, c;
 863         const char              *s;
 864         size_t          alloclen;
 865
 866         if (Cmd_Argc(cmd) == 1)
 867         {
 868                 Con_Print("Current alias commands:\n");
 869                 for (a = cmd->userdefined->alias ; a ; a=a->next)
 870                         Con_Printf("%s : %s", a->name, a->value);
 871                 return;
 872         }
 873
 874         s = Cmd_Argv(cmd, 1);
 875         if (strlen(s) >= MAX_ALIAS_NAME)
 876         {
 877                 Con_Print("Alias name is too long\n");
 878                 return;
 879         }
 880
 881         // if the alias already exists, reuse it
 882         for (a = cmd->userdefined->alias ; a ; a=a->next)
 883         {
 884                 if (!strcmp(s, a->name))
 885                 {
 886                         Z_Free (a->value);
 887                         break;
 888                 }
 889         }
 890
 891         if (!a)
 892         {
 893                 cmdalias_t *prev, *current;
 894
 895                 a = (cmdalias_t *)Z_Malloc (sizeof(cmdalias_t));
 896                 strlcpy (a->name, s, sizeof (a->name));
 897                 // insert it at the right alphanumeric position
 898                 for( prev = NULL, current = cmd->userdefined->alias ; current && strcmp( current->name, a->name ) < 0 ; prev = current, current = current->next )
 899                         ;
 900                 if( prev ) {
 901                         prev->next = a;
 902                 } else {
 903                         cmd->userdefined->alias = a;
 904                 }
 905                 a->next = current;
 906         }
 907
 908
 909 // copy the rest of the command line
 910         line[0] = 0;            // start out with a null string
 911         c = Cmd_Argc(cmd);
 912         for (i=2 ; i < c ; i++)
 913         {
 914                 if (i != 2)
 915                         strlcat (line, " ", sizeof (line));
 916                 strlcat (line, Cmd_Argv(cmd, i), sizeof (line));
 917         }
 918         strlcat (line, "\n", sizeof (line));
 919
 920         alloclen = strlen (line) + 1;
 921         if(alloclen >= 2)
 922                 line[alloclen - 2] = '\n'; // to make sure a newline is appended even if too long
 923         a->value = (char *)Z_Malloc (alloclen);
 924         memcpy (a->value, line, alloclen);
 925 }
 926
 927 /*
 928 ===============
 929 Cmd_UnAlias_f
 930
 931 Remove existing aliases.
 932 ===============
 933 */
 934 static void Cmd_UnAlias_f (cmd_state_t *cmd)
 935 {
 936         cmdalias_t      *a, *p;
 937         int i;
 938         const char *s;
 939
 940         if(Cmd_Argc(cmd) == 1)
 941         {
 942                 Con_Print("unalias: Usage: unalias alias1 [alias2 ...]\n");
 943                 return;
 944         }
 945
 946         for(i = 1; i < Cmd_Argc(cmd); ++i)
 947         {
 948                 s = Cmd_Argv(cmd, i);
 949                 p = NULL;
 950                 for(a = cmd->userdefined->alias; a; p = a, a = a->next)
 951                 {
 952                         if(!strcmp(s, a->name))
 953                         {
 954                                 if (a->initstate) // we can not remove init aliases
 955                                         continue;
 956                                 if(a == cmd->userdefined->alias)
 957                                         cmd->userdefined->alias = a->next;
 958                                 if(p)
 959                                         p->next = a->next;
 960                                 Z_Free(a->value);
 961                                 Z_Free(a);
 962                                 break;
 963                         }
 964                 }
 965                 if(!a)
 966                         Con_Printf("unalias: %s alias not found\n", s);
 967         }
 968 }
 969
 970 /*
 971 =============================================================================
 972
 973                                         COMMAND EXECUTION
 974
 975 =============================================================================
 976 */
 977
 978 static const char *Cmd_GetDirectCvarValue(cmd_state_t *cmd, const char *varname, cmdalias_t *alias, qboolean *is_multiple)
 979 {
 980         cvar_t *cvar;
 981         long argno;
 982         char *endptr;
 983         static char vabuf[1024]; // cmd_mutex
 984
 985         if(is_multiple)
 986                 *is_multiple = false;
 987
 988         if(!varname || !*varname)
 989                 return NULL;
 990
 991         if(alias)
 992         {
 993                 if(!strcmp(varname, "*"))
 994                 {
 995                         if(is_multiple)
 996                                 *is_multiple = true;
 997                         return Cmd_Args(cmd);
 998                 }
 999                 else if(!strcmp(varname, "#"))
1000                 {
1001                         return va(vabuf, sizeof(vabuf), "%d", Cmd_Argc(cmd));
1002                 }
1003                 else if(varname[strlen(varname) - 1] == '-')
1004                 {
1005                         argno = strtol(varname, &endptr, 10);
1006                         if(endptr == varname + strlen(varname) - 1)
1007                         {
1008                                 // whole string is a number, apart from the -
1009                                 const char *p = Cmd_Args(cmd);
1010                                 for(; argno > 1; --argno)
1011                                         if(!COM_ParseToken_Console(&p))
1012                                                 break;
1013                                 if(p)
1014                                 {
1015                                         if(is_multiple)
1016                                                 *is_multiple = true;
1017
1018                                         // kill pre-argument whitespace
1019                                         for (;*p && ISWHITESPACE(*p);p++)
1020                                                 ;
1021
1022                                         return p;
1023                                 }
1024                         }
1025                 }
1026                 else
1027                 {
1028                         argno = strtol(varname, &endptr, 10);
1029                         if(*endptr == 0)
1030                         {
1031                                 // whole string is a number
1032                                 // NOTE: we already made sure we don't have an empty cvar name!
1033                                 if(argno >= 0 && argno < Cmd_Argc(cmd))
1034                                         return Cmd_Argv(cmd, argno);
1035                         }
1036                 }
1037         }
1038
1039         if((cvar = Cvar_FindVar(cmd->cvars, varname, cmd->cvars_flagsmask)) && !(cvar->flags & CVAR_PRIVATE))
1040                 return cvar->string;
1041
1042         return NULL;
1043 }
1044
1045 qboolean Cmd_QuoteString(char *out, size_t outlen, const char *in, const char *quoteset, qboolean putquotes)
1046 {
1047         qboolean quote_quot = !!strchr(quoteset, '"');
1048         qboolean quote_backslash = !!strchr(quoteset, '\\');
1049         qboolean quote_dollar = !!strchr(quoteset, '$');
1050
1051         if(putquotes)
1052         {
1053                 if(outlen <= 2)
1054                 {
1055                         *out++ = 0;
1056                         return false;
1057                 }
1058                 *out++ = '"'; --outlen;
1059                 --outlen;
1060         }
1061
1062         while(*in)
1063         {
1064                 if(*in == '"' && quote_quot)
1065                 {
1066                         if(outlen <= 2)
1067                                 goto fail;
1068                         *out++ = '\\'; --outlen;
1069                         *out++ = '"'; --outlen;
1070                 }
1071                 else if(*in == '\\' && quote_backslash)
1072                 {
1073                         if(outlen <= 2)
1074                                 goto fail;
1075                         *out++ = '\\'; --outlen;
1076                         *out++ = '\\'; --outlen;
1077                 }
1078                 else if(*in == '$' && quote_dollar)
1079                 {
1080                         if(outlen <= 2)
1081                                 goto fail;
1082                         *out++ = '$'; --outlen;
1083                         *out++ = '$'; --outlen;
1084                 }
1085                 else
1086                 {
1087                         if(outlen <= 1)
1088                                 goto fail;
1089                         *out++ = *in; --outlen;
1090                 }
1091                 ++in;
1092         }
1093         if(putquotes)
1094                 *out++ = '"';
1095         *out++ = 0;
1096         return true;
1097 fail:
1098         if(putquotes)
1099                 *out++ = '"';
1100         *out++ = 0;
1101         return false;
1102 }
1103
1104 static const char *Cmd_GetCvarValue(cmd_state_t *cmd, const char *var, size_t varlen, cmdalias_t *alias)
1105 {
1106         static char varname[MAX_INPUTLINE]; // cmd_mutex
1107         static char varval[MAX_INPUTLINE]; // cmd_mutex
1108         const char *varstr = NULL;
1109         char *varfunc;
1110         qboolean required = false;
1111         qboolean optional = false;
1112         static char asis[] = "asis"; // just to suppress const char warnings
1113
1114         if(varlen >= MAX_INPUTLINE)
1115                 varlen = MAX_INPUTLINE - 1;
1116         memcpy(varname, var, varlen);
1117         varname[varlen] = 0;
1118         varfunc = strchr(varname, ' ');
1119
1120         if(varfunc)
1121         {
1122                 *varfunc = 0;
1123                 ++varfunc;
1124         }
1125
1126         if(*var == 0)
1127         {
1128                 // empty cvar name?
1129                 if(alias)
1130                         Con_Warnf("Warning: Could not expand $ in alias %s\n", alias->name);
1131                 else
1132                         Con_Warnf("Warning: Could not expand $\n");
1133                 return "$";
1134         }
1135
1136         if(varfunc)
1137         {
1138                 char *p;
1139                 // ? means optional
1140                 while((p = strchr(varfunc, '?')))
1141                 {
1142                         optional = true;
1143                         memmove(p, p+1, strlen(p)); // with final NUL
1144                 }
1145                 // ! means required
1146                 while((p = strchr(varfunc, '!')))
1147                 {
1148                         required = true;
1149                         memmove(p, p+1, strlen(p)); // with final NUL
1150                 }
1151                 // kill spaces
1152                 while((p = strchr(varfunc, ' ')))
1153                 {
1154                         memmove(p, p+1, strlen(p)); // with final NUL
1155                 }
1156                 // if no function is left, NULL it
1157                 if(!*varfunc)
1158                         varfunc = NULL;
1159         }
1160
1161         if(varname[0] == '$')
1162                 varstr = Cmd_GetDirectCvarValue(cmd, Cmd_GetDirectCvarValue(cmd, varname + 1, alias, NULL), alias, NULL);
1163         else
1164         {
1165                 qboolean is_multiple = false;
1166                 // Exception: $* and $n- don't use the quoted form by default
1167                 varstr = Cmd_GetDirectCvarValue(cmd, varname, alias, &is_multiple);
1168                 if(is_multiple)
1169                         if(!varfunc)
1170                                 varfunc = asis;
1171         }
1172
1173         if(!varstr)
1174         {
1175                 if(required)
1176                 {
1177                         if(alias)
1178                                 Con_Errorf("Error: Could not expand $%s in alias %s\n", varname, alias->name);
1179                         else
1180                                 Con_Errorf("Error: Could not expand $%s\n", varname);
1181                         return NULL;
1182                 }
1183                 else if(optional)
1184                 {
1185                         return "";
1186                 }
1187                 else
1188                 {
1189                         if(alias)
1190                                 Con_Warnf("Warning: Could not expand $%s in alias %s\n", varname, alias->name);
1191                         else
1192                                 Con_Warnf("Warning: Could not expand $%s\n", varname);
1193                         dpsnprintf(varval, sizeof(varval), "$%s", varname);
1194                         return varval;
1195                 }
1196         }
1197
1198         if(!varfunc || !strcmp(varfunc, "q")) // note: quoted form is default, use "asis" to override!
1199         {
1200                 // quote it so it can be used inside double quotes
1201                 // we just need to replace " by \", and of course, double backslashes
1202                 Cmd_QuoteString(varval, sizeof(varval), varstr, "\"\\", false);
1203                 return varval;
1204         }
1205         else if(!strcmp(varfunc, "asis"))
1206         {
1207                 return varstr;
1208         }
1209         else
1210                 Con_Printf("Unknown variable function %s\n", varfunc);
1211
1212         return varstr;
1213 }
1214
1215 /*
1216 Cmd_PreprocessString
1217
1218 Preprocesses strings and replaces $*, $param#, $cvar accordingly. Also strips comments.
1219 */
1220 static qboolean Cmd_PreprocessString(cmd_state_t *cmd, const char *intext, char *outtext, unsigned maxoutlen, cmdalias_t *alias ) {
1221         const char *in;
1222         size_t eat, varlen;
1223         unsigned outlen;
1224         const char *val;
1225
1226         // don't crash if there's no room in the outtext buffer
1227         if( maxoutlen == 0 ) {
1228                 return false;
1229         }
1230         maxoutlen--; // because of \0
1231
1232         in = intext;
1233         outlen = 0;
1234
1235         while( *in && outlen < maxoutlen ) {
1236                 if( *in == '$' ) {
1237                         // this is some kind of expansion, see what comes after the $
1238                         in++;
1239
1240                         // The console does the following preprocessing:
1241                         //
1242                         // - $$ is transformed to a single dollar sign.
1243                         // - $var or ${var} are expanded to the contents of the named cvar,
1244                         //   with quotation marks and backslashes quoted so it can safely
1245                         //   be used inside quotation marks (and it should always be used
1246                         //   that way)
1247                         // - ${var asis} inserts the cvar value as is, without doing this
1248                         //   quoting
1249                         // - ${var ?} silently expands to the empty string if
1250                         //   $var does not exist
1251                         // - ${var !} fails expansion and executes nothing if
1252                         //   $var does not exist
1253                         // - prefix the cvar name with a dollar sign to do indirection;
1254                         //   for example, if $x has the value timelimit, ${$x} will return
1255                         //   the value of $timelimit
1256                         // - when expanding an alias, the special variable name $* refers
1257                         //   to all alias parameters, and a number refers to that numbered
1258                         //   alias parameter, where the name of the alias is $0, the first
1259                         //   parameter is $1 and so on; as a special case, $* inserts all
1260                         //   parameters, without extra quoting, so one can use $* to just
1261                         //   pass all parameters around. All parameters starting from $n
1262                         //   can be referred to as $n- (so $* is equivalent to $1-).
1263                         // - ${* q} and ${n- q} force quoting anyway
1264                         //
1265                         // Note: when expanding an alias, cvar expansion is done in the SAME step
1266                         // as alias expansion so that alias parameters or cvar values containing
1267                         // dollar signs have no unwanted bad side effects. However, this needs to
1268                         // be accounted for when writing complex aliases. For example,
1269                         //   alias foo "set x NEW; echo $x"
1270                         // actually expands to
1271                         //   "set x NEW; echo OLD"
1272                         // and will print OLD! To work around this, use a second alias:
1273                         //   alias foo "set x NEW; foo2"
1274                         //   alias foo2 "echo $x"
1275                         //
1276                         // Also note: lines starting with alias are exempt from cvar expansion.
1277                         // If you want cvar expansion, write "alias" instead:
1278                         //
1279                         //   set x 1
1280                         //   alias foo "echo $x"
1281                         //   "alias" bar "echo $x"
1282                         //   set x 2
1283                         //
1284                         // foo will print 2, because the variable $x will be expanded when the alias
1285                         // gets expanded. bar will print 1, because the variable $x was expanded
1286                         // at definition time. foo can be equivalently defined as
1287                         //
1288                         //   "alias" foo "echo $$x"
1289                         //
1290                         // because at definition time, $$ will get replaced to a single $.
1291
1292                         if( *in == '$' ) {
1293                                 val = "$";
1294                                 eat = 1;
1295                         } else if(*in == '{') {
1296                                 varlen = strcspn(in + 1, "}");
1297                                 if(in[varlen + 1] == '}')
1298                                 {
1299                                         val = Cmd_GetCvarValue(cmd, in + 1, varlen, alias);
1300                                         if(!val)
1301                                                 return false;
1302                                         eat = varlen + 2;
1303                                 }
1304                                 else
1305                                 {
1306                                         // ran out of data?
1307                                         val = NULL;
1308                                         eat = varlen + 1;
1309                                 }
1310                         } else {
1311                                 varlen = strspn(in, "#*0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-");
1312                                 val = Cmd_GetCvarValue(cmd, in, varlen, alias);
1313                                 if(!val)
1314                                         return false;
1315                                 eat = varlen;
1316                         }
1317                         if(val)
1318                         {
1319                                 // insert the cvar value
1320                                 while(*val && outlen < maxoutlen)
1321                                         outtext[outlen++] = *val++;
1322                                 in += eat;
1323                         }
1324                         else
1325                         {
1326                                 // copy the unexpanded text
1327                                 outtext[outlen++] = '$';
1328                                 while(eat && outlen < maxoutlen)
1329                                 {
1330                                         outtext[outlen++] = *in++;
1331                                         --eat;
1332                                 }
1333                         }
1334                 }
1335                 else
1336                         outtext[outlen++] = *in++;
1337         }
1338         outtext[outlen] = 0;
1339         return true;
1340 }
1341
1342 /*
1343 ============
1344 Cmd_ExecuteAlias
1345
1346 Called for aliases and fills in the alias into the cbuffer
1347 ============
1348 */
1349 static void Cmd_ExecuteAlias (cmd_state_t *cmd, cmdalias_t *alias)
1350 {
1351         static char buffer[ MAX_INPUTLINE ]; // cmd_mutex
1352         static char buffer2[ MAX_INPUTLINE ]; // cmd_mutex
1353         qboolean ret = Cmd_PreprocessString( cmd, alias->value, buffer, sizeof(buffer) - 2, alias );
1354         if(!ret)
1355                 return;
1356         // insert at start of command buffer, so that aliases execute in order
1357         // (fixes bug introduced by Black on 20050705)
1358
1359         // Note: Cbuf_PreprocessString will be called on this string AGAIN! So we
1360         // have to make sure that no second variable expansion takes place, otherwise
1361         // alias parameters containing dollar signs can have bad effects.
1362         Cmd_QuoteString(buffer2, sizeof(buffer2), buffer, "$", false);
1363         Cbuf_InsertText(cmd, buffer2);
1364 }
1365
1366 /*
1367 ========
1368 Cmd_List
1369
1370         CmdList Added by EvilTypeGuy eviltypeguy@qeradiant.com
1371         Thanks to Matthias "Maddes" Buecher, http://www.inside3d.com/qip/
1372
1373 ========
1374 */
1375 static void Cmd_List_f (cmd_state_t *cmd)
1376 {
1377         cmd_function_t *func;
1378         const char *partial;
1379         size_t len;
1380         int count;
1381         qboolean ispattern;
1382
1383         if (Cmd_Argc(cmd) > 1)
1384         {
1385                 partial = Cmd_Argv(cmd, 1);
1386                 len = strlen(partial);
1387                 ispattern = (strchr(partial, '*') || strchr(partial, '?'));
1388         }
1389         else
1390         {
1391                 partial = NULL;
1392                 len = 0;
1393                 ispattern = false;
1394         }
1395
1396         count = 0;
1397         for (func = cmd->userdefined->csqc_functions; func; func = func->next)
1398         {
1399                 if (partial && (ispattern ? !matchpattern_with_separator(func->name, partial, false, "", false) : strncmp(partial, func->name, len)))
1400                         continue;
1401                 Con_Printf("%s : %s\n", func->name, func->description);
1402                 count++;
1403         }
1404         for (func = cmd->engine_functions; func; func = func->next)
1405         {
1406                 if (partial && (ispattern ? !matchpattern_with_separator(func->name, partial, false, "", false) : strncmp(partial, func->name, len)))
1407                         continue;
1408                 Con_Printf("%s : %s\n", func->name, func->description);
1409                 count++;
1410         }
1411
1412         if (len)
1413         {
1414                 if(ispattern)
1415                         Con_Printf("%i Command%s matching \"%s\"\n\n", count, (count > 1) ? "s" : "", partial);
1416                 else
1417                         Con_Printf("%i Command%s beginning with \"%s\"\n\n", count, (count > 1) ? "s" : "", partial);
1418         }
1419         else
1420                 Con_Printf("%i Command%s\n\n", count, (count > 1) ? "s" : "");
1421 }
1422
1423 static void Cmd_Apropos_f(cmd_state_t *cmd)
1424 {
1425         cmd_function_t *func;
1426         cvar_t *cvar;
1427         cmdalias_t *alias;
1428         const char *partial;
1429         int count;
1430         qboolean ispattern;
1431         char vabuf[1024];
1432
1433         if (Cmd_Argc(cmd) > 1)
1434                 partial = Cmd_Args(cmd);
1435         else
1436         {
1437                 Con_Printf("usage: apropos <string>\n");
1438                 return;
1439         }
1440
1441         ispattern = partial && (strchr(partial, '*') || strchr(partial, '?'));
1442         if(!ispattern)
1443                 partial = va(vabuf, sizeof(vabuf), "*%s*", partial);
1444
1445         count = 0;
1446         for (cvar = cmd->cvars->vars; cvar; cvar = cvar->next)
1447         {
1448                 if (matchpattern_with_separator(cvar->name, partial, true, "", false) ||
1449                     matchpattern_with_separator(cvar->description, partial, true, "", false))
1450                 {
1451                         Con_Printf ("cvar ");
1452                         Cvar_PrintHelp(cvar, cvar->name, true);
1453                         count++;
1454                 }
1455                 for (int i = 0; i < cvar->aliasindex; i++)
1456                 {
1457                         if (matchpattern_with_separator(cvar->aliases[i], partial, true, "", false))
1458                         {
1459                                 Con_Printf ("cvar ");
1460                                 Cvar_PrintHelp(cvar, cvar->aliases[i], true);
1461                                 count++;
1462                         }
1463                 }
1464         }
1465         for (func = cmd->userdefined->csqc_functions; func; func = func->next)
1466         {
1467                 if (!matchpattern_with_separator(func->name, partial, true, "", false))
1468                         if (!matchpattern_with_separator(func->description, partial, true, "", false))
1469                                 continue;
1470                 Con_Printf("command ^2%s^7: %s\n", func->name, func->description);
1471                 count++;
1472         }
1473         for (func = cmd->engine_functions; func; func = func->next)
1474         {
1475                 if (!matchpattern_with_separator(func->name, partial, true, "", false))
1476                 if (!matchpattern_with_separator(func->description, partial, true, "", false))
1477                         continue;
1478                 Con_Printf("command ^2%s^7: %s\n", func->name, func->description);
1479                 count++;
1480         }
1481         for (alias = cmd->userdefined->alias; alias; alias = alias->next)
1482         {
1483                 // procede here a bit differently as an alias value always got a final \n
1484                 if (!matchpattern_with_separator(alias->name, partial, true, "", false))
1485                 if (!matchpattern_with_separator(alias->value, partial, true, "\n", false)) // when \n is as separator wildcards don't match it
1486                         continue;
1487                 Con_Printf("alias ^5%s^7: %s", alias->name, alias->value); // do not print an extra \n
1488                 count++;
1489         }
1490         Con_Printf("%i result%s\n\n", count, (count > 1) ? "s" : "");
1491 }
1492
1493 /*
1494 ============
1495 Cmd_Init
1496 ============
1497 */
1498 void Cmd_Init(void)
1499 {
1500         cmd_iter_t *cmd_iter;
1501         for (cmd_iter = cmd_iter_all; cmd_iter->cmd; cmd_iter++)
1502         {
1503                 cmd_state_t *cmd = cmd_iter->cmd;
1504                 cmd->mempool = Mem_AllocPool("commands", 0, NULL);
1505                 // space for commands and script files
1506                 cmd->text.data = cmd->text_buf;
1507                 cmd->text.maxsize = sizeof(cmd->text_buf);
1508                 cmd->text.cursize = 0;
1509                 cmd->null_string = "";
1510         }
1511         // client console can see server cvars because the user may start a server
1512         cmd_client.cvars = &cvars_all;
1513         cmd_client.cvars_flagsmask = CVAR_CLIENT | CVAR_SERVER;
1514         cmd_client.userdefined = &cmd_userdefined_all;
1515         // dedicated server console can only see server cvars, there is no client
1516         cmd_server.cvars = &cvars_all;
1517         cmd_server.cvars_flagsmask = CVAR_SERVER;
1518         cmd_server.userdefined = &cmd_userdefined_all;
1519         // server commands received from clients have no reason to access cvars, cvar expansion seems perilous.
1520         cmd_serverfromclient.cvars = &cvars_null;
1521         cmd_serverfromclient.cvars_flagsmask = 0;
1522         cmd_serverfromclient.userdefined = &cmd_userdefined_null;
1523 }
1524
1525 void Cmd_Init_Commands(qboolean dedicated_server)
1526 {
1527 //
1528 // register our commands
1529 //
1530         // client-only commands
1531         Cmd_AddCommand(CMD_CLIENT | CMD_CLIENT_FROM_SERVER, "cmd", Cmd_ForwardToServer_f, "send a console commandline to the server (used by some mods)");
1532         Cmd_AddCommand(CMD_SHARED, "wait", Cmd_Wait_f, "make script execution wait for next rendered frame");
1533         Cmd_AddCommand(CMD_CLIENT, "cprint", Cmd_Centerprint_f, "print something at the screen center");
1534
1535         // maintenance commands used for upkeep of cvars and saved configs
1536         Cmd_AddCommand(CMD_SHARED, "stuffcmds", Cmd_StuffCmds_f, "execute commandline parameters (must be present in quake.rc script)");
1537         Cmd_AddCommand(CMD_SHARED, "cvar_lockdefaults", Cvar_LockDefaults_f, "stores the current values of all cvars into their default values, only used once during startup after parsing default.cfg");
1538         Cmd_AddCommand(CMD_SHARED, "cvar_resettodefaults_all", Cvar_ResetToDefaults_All_f, "sets all cvars to their locked default values");
1539         Cmd_AddCommand(CMD_SHARED, "cvar_resettodefaults_nosaveonly", Cvar_ResetToDefaults_NoSaveOnly_f, "sets all non-saved cvars to their locked default values (variables that will not be saved to config.cfg)");
1540         Cmd_AddCommand(CMD_SHARED, "cvar_resettodefaults_saveonly", Cvar_ResetToDefaults_SaveOnly_f, "sets all saved cvars to their locked default values (variables that will be saved to config.cfg)");
1541
1542         // general console commands used in multiple environments
1543         Cmd_AddCommand(CMD_SHARED, "exec", Cmd_Exec_f, "execute a script file");
1544         Cmd_AddCommand(CMD_SHARED, "echo",Cmd_Echo_f, "print a message to the console (useful in scripts)");
1545         Cmd_AddCommand(CMD_SHARED, "alias",Cmd_Alias_f, "create a script function (parameters are passed in as $X (being X a number), $* for all parameters, $X- for all parameters starting from $X). Without arguments show the list of all alias");
1546         Cmd_AddCommand(CMD_SHARED, "unalias",Cmd_UnAlias_f, "remove an alias");
1547         Cmd_AddCommand(CMD_SHARED, "set", Cvar_Set_f, "create or change the value of a console variable");
1548         Cmd_AddCommand(CMD_SHARED, "seta", Cvar_SetA_f, "create or change the value of a console variable that will be saved to config.cfg");
1549         Cmd_AddCommand(CMD_SHARED, "unset", Cvar_Del_f, "delete a cvar (does not work for static ones like _cl_name, or read-only ones)");
1550
1551 #ifdef FILLALLCVARSWITHRUBBISH
1552         Cmd_AddCommand(CMD_SHARED, "fillallcvarswithrubbish", Cvar_FillAll_f, "fill all cvars with a specified number of characters to provoke buffer overruns");
1553 #endif /* FILLALLCVARSWITHRUBBISH */
1554
1555         // 2000-01-09 CmdList, CvarList commands By Matthias "Maddes" Buecher
1556         // Added/Modified by EvilTypeGuy eviltypeguy@qeradiant.com
1557         Cmd_AddCommand(CMD_SHARED, "cmdlist", Cmd_List_f, "lists all console commands beginning with the specified prefix or matching the specified wildcard pattern");
1558         Cmd_AddCommand(CMD_SHARED, "cvarlist", Cvar_List_f, "lists all console variables beginning with the specified prefix or matching the specified wildcard pattern");
1559         Cmd_AddCommand(CMD_SHARED, "apropos", Cmd_Apropos_f, "lists all console variables/commands/aliases containing the specified string in the name or description");
1560
1561         Cmd_AddCommand(CMD_SHARED, "defer", Cmd_Defer_f, "execute a command in the future");
1562
1563         // DRESK - 5/14/06
1564         // Support Doom3-style Toggle Command
1565         Cmd_AddCommand(CMD_SHARED | CMD_CLIENT_FROM_SERVER, "toggle", Cmd_Toggle_f, "toggles a console variable's values (use for more info)");
1566 }
1567
1568 /*
1569 ============
1570 Cmd_Shutdown
1571 ============
1572 */
1573 void Cmd_Shutdown(void)
1574 {
1575         cmd_iter_t *cmd_iter;
1576         for (cmd_iter = cmd_iter_all; cmd_iter->cmd; cmd_iter++)
1577         {
1578                 cmd_state_t *cmd = cmd_iter->cmd;
1579
1580                 if (cmd->text_lock)
1581                 {
1582                         // we usually have this locked when we get here from Host_Quit_f
1583                         Cbuf_Unlock(cmd);
1584                 }
1585
1586                 Mem_FreePool(&cmd->mempool);
1587         }
1588 }
1589
1590 /*
1591 ============
1592 Cmd_Argc
1593 ============
1594 */
1595 int             Cmd_Argc (cmd_state_t *cmd)
1596 {
1597         return cmd->argc;
1598 }
1599
1600 /*
1601 ============
1602 Cmd_Argv
1603 ============
1604 */
1605 const char *Cmd_Argv(cmd_state_t *cmd, int arg)
1606 {
1607         if (arg >= cmd->argc )
1608                 return cmd->null_string;
1609         return cmd->argv[arg];
1610 }
1611
1612 /*
1613 ============
1614 Cmd_Args
1615 ============
1616 */
1617 const char *Cmd_Args (cmd_state_t *cmd)
1618 {
1619         return cmd->args;
1620 }
1621
1622
1623 /*
1624 ============
1625 Cmd_TokenizeString
1626
1627 Parses the given string into command line tokens.
1628 ============
1629 */
1630 // AK: This function should only be called from ExcuteString because the current design is a bit of an hack
1631 static void Cmd_TokenizeString (cmd_state_t *cmd, const char *text)
1632 {
1633         int l;
1634
1635         cmd->argc = 0;
1636         cmd->args = NULL;
1637
1638         while (1)
1639         {
1640                 // skip whitespace up to a /n
1641                 while (*text && ISWHITESPACE(*text) && *text != '\r' && *text != '\n')
1642                         text++;
1643
1644                 // line endings:
1645                 // UNIX: \n
1646                 // Mac: \r
1647                 // Windows: \r\n
1648                 if (*text == '\n' || *text == '\r')
1649                 {
1650                         // a newline separates commands in the buffer
1651                         if (*text == '\r' && text[1] == '\n')
1652                                 text++;
1653                         text++;
1654                         break;
1655                 }
1656
1657                 if (!*text)
1658                         return;
1659
1660                 if (cmd->argc == 1)
1661                         cmd->args = text;
1662
1663                 if (!COM_ParseToken_Console(&text))
1664                         return;
1665
1666                 if (cmd->argc < MAX_ARGS)
1667                 {
1668                         l = (int)strlen(com_token) + 1;
1669                         if (cmd->tokenizebufferpos + l > CMD_TOKENIZELENGTH)
1670                         {
1671                                 Con_Printf("Cmd_TokenizeString: ran out of %i character buffer space for command arguments\n", CMD_TOKENIZELENGTH);
1672                                 break;
1673                         }
1674                         memcpy (cmd->tokenizebuffer + cmd->tokenizebufferpos, com_token, l);
1675                         cmd->argv[cmd->argc] = cmd->tokenizebuffer + cmd->tokenizebufferpos;
1676                         cmd->tokenizebufferpos += l;
1677                         cmd->argc++;
1678                 }
1679         }
1680 }
1681
1682
1683 /*
1684 ============
1685 Cmd_AddCommand
1686 ============
1687 */
1688 void Cmd_AddCommand(int flags, const char *cmd_name, xcommand_t function, const char *description)
1689 {
1690         cmd_function_t *func;
1691         cmd_function_t *prev, *current;
1692         cmd_state_t *cmd;
1693         xcommand_t function_actual;
1694         int i;
1695
1696         for (i = 1; i < (1<<8); i *= 2)
1697         {
1698                 function_actual = function;
1699                 if ((i == CMD_CLIENT) && (flags & i))
1700                 {
1701                         cmd = &cmd_client;
1702                         if (flags & 8)
1703                                 function_actual = Cmd_ForwardToServer_f;
1704                 }
1705                 else if ((i == CMD_SERVER) && (flags & i))
1706                         cmd = &cmd_server;
1707                 else if ((i == 8) && (flags & i)) // CMD_SERVER_FROM_CLIENT
1708                         cmd = &cmd_serverfromclient;
1709                 else
1710                         continue;
1711
1712         // fail if the command is a variable name
1713                 if (Cvar_FindVar(cmd->cvars, cmd_name, ~0))
1714                 {
1715                         Con_Printf("Cmd_AddCommand: %s already defined as a var\n", cmd_name);
1716                         return;
1717                 }
1718
1719                 if (function_actual)
1720                 {
1721                         // fail if the command already exists in this interpreter
1722                         for (func = cmd->engine_functions; func; func = func->next)
1723                         {
1724                                 if (!strcmp(cmd_name, func->name))
1725                                 {
1726                                         // Allow overriding forward to server
1727                                         if(func->function == Cmd_ForwardToServer_f && (func->flags & 8))
1728                                                 break;
1729                                         else
1730                                         {
1731                                                 Con_Printf("Cmd_AddCommand: %s already defined\n", cmd_name);
1732                                                 goto nested_continue;
1733                                         }
1734                                 }
1735                         }
1736
1737                         func = (cmd_function_t *)Mem_Alloc(cmd->mempool, sizeof(cmd_function_t));
1738                         func->flags = flags;
1739                         func->name = cmd_name;
1740                         func->function = function_actual;
1741                         func->description = description;
1742                         func->next = cmd->engine_functions;
1743
1744                         // insert it at the right alphanumeric position
1745                         for (prev = NULL, current = cmd->engine_functions; current && strcmp(current->name, func->name) < 0; prev = current, current = current->next)
1746                                 ;
1747                         if (prev) {
1748                                 prev->next = func;
1749                         }
1750                         else {
1751                                 cmd->engine_functions = func;
1752                         }
1753                         func->next = current;
1754                 }
1755                 else
1756                 {
1757                         // mark csqcfunc if the function already exists in the csqc_functions list
1758                         for (func = cmd->userdefined->csqc_functions; func; func = func->next)
1759                         {
1760                                 if (!strcmp(cmd_name, func->name))
1761                                 {
1762                                         func->csqcfunc = true; //[515]: csqc
1763                                         continue;
1764                                 }
1765                         }
1766
1767
1768                         func = (cmd_function_t *)Mem_Alloc(cmd->mempool, sizeof(cmd_function_t));
1769                         func->name = cmd_name;
1770                         func->function = function_actual;
1771                         func->description = description;
1772                         func->csqcfunc = true; //[515]: csqc
1773                         func->next = cmd->userdefined->csqc_functions;
1774
1775                         // insert it at the right alphanumeric position
1776                         for (prev = NULL, current = cmd->userdefined->csqc_functions; current && strcmp(current->name, func->name) < 0; prev = current, current = current->next)
1777                                 ;
1778                         if (prev) {
1779                                 prev->next = func;
1780                         }
1781                         else {
1782                                 cmd->userdefined->csqc_functions = func;
1783                         }
1784                         func->next = current;
1785                 }
1786 nested_continue:
1787                 continue;
1788         }
1789 }
1790
1791 /*
1792 ============
1793 Cmd_Exists
1794 ============
1795 */
1796 qboolean Cmd_Exists (cmd_state_t *cmd, const char *cmd_name)
1797 {
1798         cmd_function_t  *func;
1799
1800         for (func = cmd->userdefined->csqc_functions; func; func = func->next)
1801                 if (!strcmp(cmd_name, func->name))
1802                         return true;
1803
1804         for (func=cmd->engine_functions ; func ; func=func->next)
1805                 if (!strcmp (cmd_name,func->name))
1806                         return true;
1807
1808         return false;
1809 }
1810
1811
1812 /*
1813 ============
1814 Cmd_CompleteCommand
1815 ============
1816 */
1817 const char *Cmd_CompleteCommand (cmd_state_t *cmd, const char *partial)
1818 {
1819         cmd_function_t *func;
1820         size_t len;
1821
1822         len = strlen(partial);
1823
1824         if (!len)
1825                 return NULL;
1826
1827 // check functions
1828         for (func = cmd->userdefined->csqc_functions; func; func = func->next)
1829                 if (!strncasecmp(partial, func->name, len))
1830                         return func->name;
1831
1832         for (func = cmd->engine_functions; func; func = func->next)
1833                 if (!strncasecmp(partial, func->name, len))
1834                         return func->name;
1835
1836         return NULL;
1837 }
1838
1839 /*
1840         Cmd_CompleteCountPossible
1841
1842         New function for tab-completion system
1843         Added by EvilTypeGuy
1844         Thanks to Fett erich@heintz.com
1845         Thanks to taniwha
1846
1847 */
1848 int Cmd_CompleteCountPossible (cmd_state_t *cmd, const char *partial)
1849 {
1850         cmd_function_t *func;
1851         size_t len;
1852         int h;
1853
1854         h = 0;
1855         len = strlen(partial);
1856
1857         if (!len)
1858                 return 0;
1859
1860         // Loop through the command list and count all partial matches
1861         for (func = cmd->userdefined->csqc_functions; func; func = func->next)
1862                 if (!strncasecmp(partial, func->name, len))
1863                         h++;
1864
1865         for (func = cmd->engine_functions; func; func = func->next)
1866                 if (!strncasecmp(partial, func->name, len))
1867                         h++;
1868
1869         return h;
1870 }
1871
1872 /*
1873         Cmd_CompleteBuildList
1874
1875         New function for tab-completion system
1876         Added by EvilTypeGuy
1877         Thanks to Fett erich@heintz.com
1878         Thanks to taniwha
1879
1880 */
1881 const char **Cmd_CompleteBuildList (cmd_state_t *cmd, const char *partial)
1882 {
1883         cmd_function_t *func;
1884         size_t len = 0;
1885         size_t bpos = 0;
1886         size_t sizeofbuf = (Cmd_CompleteCountPossible (cmd, partial) + 1) * sizeof (const char *);
1887         const char **buf;
1888
1889         len = strlen(partial);
1890         buf = (const char **)Mem_Alloc(tempmempool, sizeofbuf + sizeof (const char *));
1891         // Loop through the functions lists and print all matches
1892         for (func = cmd->userdefined->csqc_functions; func; func = func->next)
1893                 if (!strncasecmp(partial, func->name, len))
1894                         buf[bpos++] = func->name;
1895         for (func = cmd->engine_functions; func; func = func->next)
1896                 if (!strncasecmp(partial, func->name, len))
1897                         buf[bpos++] = func->name;
1898
1899         buf[bpos] = NULL;
1900         return buf;
1901 }
1902
1903 // written by LadyHavoc
1904 void Cmd_CompleteCommandPrint (cmd_state_t *cmd, const char *partial)
1905 {
1906         cmd_function_t *func;
1907         size_t len = strlen(partial);
1908         // Loop through the command list and print all matches
1909         for (func = cmd->userdefined->csqc_functions; func; func = func->next)
1910                 if (!strncasecmp(partial, func->name, len))
1911                         Con_Printf("^2%s^7: %s\n", func->name, func->description);
1912         for (func = cmd->engine_functions; func; func = func->next)
1913                 if (!strncasecmp(partial, func->name, len))
1914                         Con_Printf("^2%s^7: %s\n", func->name, func->description);
1915 }
1916
1917 /*
1918         Cmd_CompleteAlias
1919
1920         New function for tab-completion system
1921         Added by EvilTypeGuy
1922         Thanks to Fett erich@heintz.com
1923         Thanks to taniwha
1924
1925 */
1926 const char *Cmd_CompleteAlias (cmd_state_t *cmd, const char *partial)
1927 {
1928         cmdalias_t *alias;
1929         size_t len;
1930
1931         len = strlen(partial);
1932
1933         if (!len)
1934                 return NULL;
1935
1936         // Check functions
1937         for (alias = cmd->userdefined->alias; alias; alias = alias->next)
1938                 if (!strncasecmp(partial, alias->name, len))
1939                         return alias->name;
1940
1941         return NULL;
1942 }
1943
1944 // written by LadyHavoc
1945 void Cmd_CompleteAliasPrint (cmd_state_t *cmd, const char *partial)
1946 {
1947         cmdalias_t *alias;
1948         size_t len = strlen(partial);
1949         // Loop through the alias list and print all matches
1950         for (alias = cmd->userdefined->alias; alias; alias = alias->next)
1951                 if (!strncasecmp(partial, alias->name, len))
1952                         Con_Printf("^5%s^7: %s", alias->name, alias->value);
1953 }
1954
1955
1956 /*
1957         Cmd_CompleteAliasCountPossible
1958
1959         New function for tab-completion system
1960         Added by EvilTypeGuy
1961         Thanks to Fett erich@heintz.com
1962         Thanks to taniwha
1963
1964 */
1965 int Cmd_CompleteAliasCountPossible (cmd_state_t *cmd, const char *partial)
1966 {
1967         cmdalias_t      *alias;
1968         size_t          len;
1969         int                     h;
1970
1971         h = 0;
1972
1973         len = strlen(partial);
1974
1975         if (!len)
1976                 return 0;
1977
1978         // Loop through the command list and count all partial matches
1979         for (alias = cmd->userdefined->alias; alias; alias = alias->next)
1980                 if (!strncasecmp(partial, alias->name, len))
1981                         h++;
1982
1983         return h;
1984 }
1985
1986 /*
1987         Cmd_CompleteAliasBuildList
1988
1989         New function for tab-completion system
1990         Added by EvilTypeGuy
1991         Thanks to Fett erich@heintz.com
1992         Thanks to taniwha
1993
1994 */
1995 const char **Cmd_CompleteAliasBuildList (cmd_state_t *cmd, const char *partial)
1996 {
1997         cmdalias_t *alias;
1998         size_t len = 0;
1999         size_t bpos = 0;
2000         size_t sizeofbuf = (Cmd_CompleteAliasCountPossible (cmd, partial) + 1) * sizeof (const char *);
2001         const char **buf;
2002
2003         len = strlen(partial);
2004         buf = (const char **)Mem_Alloc(tempmempool, sizeofbuf + sizeof (const char *));
2005         // Loop through the alias list and print all matches
2006         for (alias = cmd->userdefined->alias; alias; alias = alias->next)
2007                 if (!strncasecmp(partial, alias->name, len))
2008                         buf[bpos++] = alias->name;
2009
2010         buf[bpos] = NULL;
2011         return buf;
2012 }
2013
2014 // TODO: Make this more generic?
2015 void Cmd_ClearCSQCCommands (cmd_state_t *cmd)
2016 {
2017         cmd_function_t *func;
2018         cmd_function_t **next = &cmd->userdefined->csqc_functions;
2019
2020         while(*next)
2021         {
2022                 func = *next;
2023                 *next = func->next;
2024                 Z_Free(func);
2025         }
2026 }
2027
2028 extern cvar_t sv_cheats;
2029
2030 /*
2031 ============
2032 Cmd_ExecuteString
2033
2034 A complete command line has been parsed, so try to execute it
2035 FIXME: lookupnoadd the token to speed search?
2036 ============
2037 */
2038 void Cmd_ExecuteString (cmd_state_t *cmd, const char *text, cmd_source_t src, qboolean lockmutex)
2039 {
2040         int oldpos;
2041         cmd_function_t *func;
2042         cmdalias_t *a;
2043         if (lockmutex)
2044                 Cbuf_Lock(cmd);
2045         oldpos = cmd->tokenizebufferpos;
2046         cmd->source = src;
2047
2048         Cmd_TokenizeString (cmd, text);
2049
2050 // execute the command line
2051         if (!Cmd_Argc(cmd))
2052                 goto done; // no tokens
2053
2054 // check functions
2055         for (func = cmd->userdefined->csqc_functions; func; func = func->next)
2056         {
2057                 if (!strcasecmp(cmd->argv[0], func->name))
2058                 {
2059                         if (func->csqcfunc && CL_VM_ConsoleCommand(text))       //[515]: csqc
2060                                 goto done;
2061                         break;
2062                 }
2063         }
2064
2065         for (func = cmd->engine_functions; func; func=func->next)
2066         {
2067                 if (!strcasecmp (cmd->argv[0], func->name))
2068                 {
2069                         switch (src)
2070                         {
2071                         case src_command:
2072                                 if (func->function)
2073                                         func->function(cmd);
2074                                 else
2075                                         Con_Printf("Command \"%s\" can not be executed\n", Cmd_Argv(cmd, 0));
2076                                 goto done;
2077                         case src_client:
2078                                 if (func->function)
2079                                 {
2080                                         if((func->flags & CMD_CHEAT) && !sv_cheats.integer)
2081                                                 SV_ClientPrintf("No cheats allowed. The server must have sv_cheats set to 1\n");
2082                                         func->function(cmd);
2083                                         goto done;
2084                                 }
2085                         }
2086                         break;
2087                 }
2088         }
2089
2090         // if it's a client command and no command was found, say so.
2091         if (cmd->source == src_client)
2092         {
2093                 Con_Printf("Client \"%s\" tried to execute \"%s\"\n", host_client->name, text);
2094                 goto done;
2095         }
2096
2097 // check alias
2098         for (a=cmd->userdefined->alias ; a ; a=a->next)
2099         {
2100                 if (!strcasecmp (cmd->argv[0], a->name))
2101                 {
2102                         Cmd_ExecuteAlias(cmd, a);
2103                         goto done;
2104                 }
2105         }
2106
2107 // check cvars
2108         if (!Cvar_Command(cmd) && host_framecount > 0)
2109                 Con_Printf("Unknown command \"%s\"\n", Cmd_Argv(cmd, 0));
2110 done:
2111         cmd->tokenizebufferpos = oldpos;
2112         if (lockmutex)
2113                 Cbuf_Unlock(cmd);
2114 }
2115
2116
2117 /*
2118 ===================
2119 Cmd_ForwardStringToServer
2120
2121 Sends an entire command string over to the server, unprocessed
2122 ===================
2123 */
2124 void Cmd_ForwardStringToServer (const char *s)
2125 {
2126         char temp[128];
2127         if (cls.state != ca_connected)
2128         {
2129                 Con_Printf("Can't \"%s\", not connected\n", s);
2130                 return;
2131         }
2132
2133         if (!cls.netcon)
2134                 return;
2135
2136         // LadyHavoc: thanks to Fuh for bringing the pure evil of SZ_Print to my
2137         // attention, it has been eradicated from here, its only (former) use in
2138         // all of darkplaces.
2139         if (cls.protocol == PROTOCOL_QUAKEWORLD)
2140                 MSG_WriteByte(&cls.netcon->message, qw_clc_stringcmd);
2141         else
2142                 MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
2143         if ((!strncmp(s, "say ", 4) || !strncmp(s, "say_team ", 9)) && cl_locs_enable.integer)
2144         {
2145                 // say/say_team commands can replace % character codes with status info
2146                 while (*s)
2147                 {
2148                         if (*s == '%' && s[1])
2149                         {
2150                                 // handle proquake message macros
2151                                 temp[0] = 0;
2152                                 switch (s[1])
2153                                 {
2154                                 case 'l': // current location
2155                                         CL_Locs_FindLocationName(temp, sizeof(temp), cl.movement_origin);
2156                                         break;
2157                                 case 'h': // current health
2158                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_HEALTH]);
2159                                         break;
2160                                 case 'a': // current armor
2161                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_ARMOR]);
2162                                         break;
2163                                 case 'x': // current rockets
2164                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_ROCKETS]);
2165                                         break;
2166                                 case 'c': // current cells
2167                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_CELLS]);
2168                                         break;
2169                                 // silly proquake macros
2170                                 case 'd': // loc at last death
2171                                         CL_Locs_FindLocationName(temp, sizeof(temp), cl.lastdeathorigin);
2172                                         break;
2173                                 case 't': // current time
2174                                         dpsnprintf(temp, sizeof(temp), "%.0f:%.0f", floor(cl.time / 60), cl.time - floor(cl.time / 60) * 60);
2175                                         break;
2176                                 case 'r': // rocket launcher status ("I have RL", "I need rockets", "I need RL")
2177                                         if (!(cl.stats[STAT_ITEMS] & IT_ROCKET_LAUNCHER))
2178                                                 dpsnprintf(temp, sizeof(temp), "I need RL");
2179                                         else if (!cl.stats[STAT_ROCKETS])
2180                                                 dpsnprintf(temp, sizeof(temp), "I need rockets");
2181                                         else
2182                                                 dpsnprintf(temp, sizeof(temp), "I have RL");
2183                                         break;
2184                                 case 'p': // powerup status (outputs "quad" "pent" and "eyes" according to status)
2185                                         if (cl.stats[STAT_ITEMS] & IT_QUAD)
2186                                         {
2187                                                 if (temp[0])
2188                                                         strlcat(temp, " ", sizeof(temp));
2189                                                 strlcat(temp, "quad", sizeof(temp));
2190                                         }
2191                                         if (cl.stats[STAT_ITEMS] & IT_INVULNERABILITY)
2192                                         {
2193                                                 if (temp[0])
2194                                                         strlcat(temp, " ", sizeof(temp));
2195                                                 strlcat(temp, "pent", sizeof(temp));
2196                                         }
2197                                         if (cl.stats[STAT_ITEMS] & IT_INVISIBILITY)
2198                                         {
2199                                                 if (temp[0])
2200                                                         strlcat(temp, " ", sizeof(temp));
2201                                                 strlcat(temp, "eyes", sizeof(temp));
2202                                         }
2203                                         break;
2204                                 case 'w': // weapon status (outputs "SSG:NG:SNG:GL:RL:LG" with the text between : characters omitted if you lack the weapon)
2205                                         if (cl.stats[STAT_ITEMS] & IT_SUPER_SHOTGUN)
2206                                                 strlcat(temp, "SSG", sizeof(temp));
2207                                         strlcat(temp, ":", sizeof(temp));
2208                                         if (cl.stats[STAT_ITEMS] & IT_NAILGUN)
2209                                                 strlcat(temp, "NG", sizeof(temp));
2210                                         strlcat(temp, ":", sizeof(temp));
2211                                         if (cl.stats[STAT_ITEMS] & IT_SUPER_NAILGUN)
2212                                                 strlcat(temp, "SNG", sizeof(temp));
2213                                         strlcat(temp, ":", sizeof(temp));
2214                                         if (cl.stats[STAT_ITEMS] & IT_GRENADE_LAUNCHER)
2215                                                 strlcat(temp, "GL", sizeof(temp));
2216                                         strlcat(temp, ":", sizeof(temp));
2217                                         if (cl.stats[STAT_ITEMS] & IT_ROCKET_LAUNCHER)
2218                                                 strlcat(temp, "RL", sizeof(temp));
2219                                         strlcat(temp, ":", sizeof(temp));
2220                                         if (cl.stats[STAT_ITEMS] & IT_LIGHTNING)
2221                                                 strlcat(temp, "LG", sizeof(temp));
2222                                         break;
2223                                 default:
2224                                         // not a recognized macro, print it as-is...
2225                                         temp[0] = s[0];
2226                                         temp[1] = s[1];
2227                                         temp[2] = 0;
2228                                         break;
2229                                 }
2230                                 // write the resulting text
2231                                 SZ_Write(&cls.netcon->message, (unsigned char *)temp, (int)strlen(temp));
2232                                 s += 2;
2233                                 continue;
2234                         }
2235                         MSG_WriteByte(&cls.netcon->message, *s);
2236                         s++;
2237                 }
2238                 MSG_WriteByte(&cls.netcon->message, 0);
2239         }
2240         else // any other command is passed on as-is
2241                 SZ_Write(&cls.netcon->message, (const unsigned char *)s, (int)strlen(s) + 1);
2242 }
2243
2244 /*
2245 ===================
2246 Cmd_ForwardToServer
2247
2248 Sends the entire command line over to the server
2249 ===================
2250 */
2251 void Cmd_ForwardToServer_f (cmd_state_t *cmd)
2252 {
2253         const char *s;
2254         char vabuf[1024];
2255         if (!strcasecmp(Cmd_Argv(cmd, 0), "cmd"))
2256         {
2257                 // we want to strip off "cmd", so just send the args
2258                 s = Cmd_Argc(cmd) > 1 ? Cmd_Args(cmd) : "";
2259         }
2260         else
2261         {
2262                 // we need to keep the command name, so send Cmd_Argv(cmd, 0), a space and then Cmd_Args(cmd)
2263                 s = va(vabuf, sizeof(vabuf), "%s %s", Cmd_Argv(cmd, 0), Cmd_Argc(cmd) > 1 ? Cmd_Args(cmd) : "");
2264         }
2265         // don't send an empty forward message if the user tries "cmd" by itself
2266         if (!s || !*s)
2267                 return;
2268         Cmd_ForwardStringToServer(s);
2269 }
2270
2271
2272 /*
2273 ================
2274 Cmd_CheckParm
2275
2276 Returns the position (1 to argc-1) in the command's argument list
2277 where the given parameter apears, or 0 if not present
2278 ================
2279 */
2280
2281 int Cmd_CheckParm (cmd_state_t *cmd, const char *parm)
2282 {
2283         int i;
2284
2285         if (!parm)
2286         {
2287                 Con_Printf ("Cmd_CheckParm: NULL");
2288                 return 0;
2289         }
2290
2291         for (i = 1; i < Cmd_Argc (cmd); i++)
2292                 if (!strcasecmp (parm, Cmd_Argv(cmd, i)))
2293                         return i;
2294
2295         return 0;
2296 }
2297
2298
2299
2300 void Cmd_SaveInitState(void)
2301 {
2302         cmd_iter_t *cmd_iter;
2303         for (cmd_iter = cmd_iter_all; cmd_iter->cmd; cmd_iter++)
2304         {
2305                 cmd_state_t *cmd = cmd_iter->cmd;
2306                 cmd_function_t *f;
2307                 cmdalias_t *a;
2308                 for (f = cmd->userdefined->csqc_functions; f; f = f->next)
2309                         f->initstate = true;
2310                 for (f = cmd->engine_functions; f; f = f->next)
2311                         f->initstate = true;
2312                 for (a = cmd->userdefined->alias; a; a = a->next)
2313                 {
2314                         a->initstate = true;
2315                         a->initialvalue = Mem_strdup(zonemempool, a->value);
2316                 }
2317         }
2318         Cvar_SaveInitState(&cvars_all);
2319 }
2320
2321 void Cmd_RestoreInitState(void)
2322 {
2323         cmd_iter_t *cmd_iter;
2324         for (cmd_iter = cmd_iter_all; cmd_iter->cmd; cmd_iter++)
2325         {
2326                 cmd_state_t *cmd = cmd_iter->cmd;
2327                 cmd_function_t *f, **fp;
2328                 cmdalias_t *a, **ap;
2329                 for (fp = &cmd->userdefined->csqc_functions; (f = *fp);)
2330                 {
2331                         if (f->initstate)
2332                                 fp = &f->next;
2333                         else
2334                         {
2335                                 // destroy this command, it didn't exist at init
2336                                 Con_DPrintf("Cmd_RestoreInitState: Destroying command %s\n", f->name);
2337                                 *fp = f->next;
2338                                 Z_Free(f);
2339                         }
2340                 }
2341                 for (fp = &cmd->engine_functions; (f = *fp);)
2342                 {
2343                         if (f->initstate)
2344                                 fp = &f->next;
2345                         else
2346                         {
2347                                 // destroy this command, it didn't exist at init
2348                                 Con_DPrintf("Cmd_RestoreInitState: Destroying command %s\n", f->name);
2349                                 *fp = f->next;
2350                                 Z_Free(f);
2351                         }
2352                 }
2353                 for (ap = &cmd->userdefined->alias; (a = *ap);)
2354                 {
2355                         if (a->initstate)
2356                         {
2357                                 // restore this alias, it existed at init
2358                                 if (strcmp(a->value ? a->value : "", a->initialvalue ? a->initialvalue : ""))
2359                                 {
2360                                         Con_DPrintf("Cmd_RestoreInitState: Restoring alias %s\n", a->name);
2361                                         if (a->value)
2362                                                 Z_Free(a->value);
2363                                         a->value = Mem_strdup(zonemempool, a->initialvalue);
2364                                 }
2365                                 ap = &a->next;
2366                         }
2367                         else
2368                         {
2369                                 // free this alias, it didn't exist at init...
2370                                 Con_DPrintf("Cmd_RestoreInitState: Destroying alias %s\n", a->name);
2371                                 *ap = a->next;
2372                                 if (a->value)
2373                                         Z_Free(a->value);
2374                                 Z_Free(a);
2375                         }
2376                 }
2377         }
2378         Cvar_RestoreInitState(&cvars_all);
2379 }