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
  24 typedef struct cmdalias_s
  25 {
  26         struct cmdalias_s *next;
  27         char name[MAX_ALIAS_NAME];
  28         char *value;
  29 } cmdalias_t;
  30
  31 static cmdalias_t *cmd_alias;
  32
  33 static qboolean cmd_wait;
  34
  35 static mempool_t *cmd_mempool;
  36
  37 static char cmd_tokenizebuffer[CMD_TOKENIZELENGTH];
  38 static int cmd_tokenizebufferpos = 0;
  39
  40 //=============================================================================
  41
  42 /*
  43 ============
  44 Cmd_Wait_f
  45
  46 Causes execution of the remainder of the command buffer to be delayed until
  47 next frame.  This allows commands like:
  48 bind g "impulse 5 ; +attack ; wait ; -attack ; impulse 2"
  49 ============
  50 */
  51 static void Cmd_Wait_f (void)
  52 {
  53         cmd_wait = true;
  54 }
  55
  56 typedef struct cmddeferred_s
  57 {
  58         struct cmddeferred_s *next;
  59         char *value;
  60         double time;
  61 } cmddeferred_t;
  62
  63 static cmddeferred_t *cmd_deferred_list = NULL;
  64
  65 /*
  66 ============
  67 Cmd_Defer_f
  68
  69 Cause a command to be executed after a delay.
  70 ============
  71 */
  72 static void Cmd_Defer_f (void)
  73 {
  74         if(Cmd_Argc() == 1)
  75         {
  76                 double time = Sys_DoubleTime();
  77                 cmddeferred_t *next = cmd_deferred_list;
  78                 if(!next)
  79                         Con_Printf("No commands are pending.\n");
  80                 while(next)
  81                 {
  82                         Con_Printf("-> In %9.2f: %s\n", next->time-time, next->value);
  83                         next = next->next;
  84                 }
  85         } else if(Cmd_Argc() == 2 && !strcasecmp("clear", Cmd_Argv(1)))
  86         {
  87                 while(cmd_deferred_list)
  88                 {
  89                         cmddeferred_t *cmd = cmd_deferred_list;
  90                         cmd_deferred_list = cmd->next;
  91                         Mem_Free(cmd->value);
  92                         Mem_Free(cmd);
  93                 }
  94         } else if(Cmd_Argc() == 3)
  95         {
  96                 const char *value = Cmd_Argv(2);
  97                 cmddeferred_t *defcmd = (cmddeferred_t*)Mem_Alloc(tempmempool, sizeof(*defcmd));
  98                 size_t len = strlen(value);
  99
 100                 defcmd->time = Sys_DoubleTime() + atof(Cmd_Argv(1));
 101                 defcmd->value = (char*)Mem_Alloc(tempmempool, len+1);
 102                 memcpy(defcmd->value, value, len+1);
 103                 defcmd->next = NULL;
 104
 105                 if(cmd_deferred_list)
 106                 {
 107                         cmddeferred_t *next = cmd_deferred_list;
 108                         while(next->next)
 109                                 next = next->next;
 110                         next->next = defcmd;
 111                 } else
 112                         cmd_deferred_list = defcmd;
 113                 /* Stupid me... this changes the order... so commands with the same delay go blub :S
 114                   defcmd->next = cmd_deferred_list;
 115                   cmd_deferred_list = defcmd;*/
 116         } else {
 117                 Con_Printf("usage: defer <seconds> <command>\n"
 118                            "       defer clear\n");
 119                 return;
 120         }
 121 }
 122
 123 /*
 124 ============
 125 Cmd_Centerprint_f
 126
 127 Print something to the center of the screen using SCR_Centerprint
 128 ============
 129 */
 130 static void Cmd_Centerprint_f (void)
 131 {
 132         char msg[MAX_INPUTLINE];
 133         unsigned int i, c, p;
 134         c = Cmd_Argc();
 135         if(c >= 2)
 136         {
 137                 strlcpy(msg, Cmd_Argv(1), sizeof(msg));
 138                 for(i = 2; i < c; ++i)
 139                 {
 140                         strlcat(msg, " ", sizeof(msg));
 141                         strlcat(msg, Cmd_Argv(i), sizeof(msg));
 142                 }
 143                 c = strlen(msg);
 144                 for(p = 0, i = 0; i < c; ++i)
 145                 {
 146                         if(msg[i] == '\\')
 147                         {
 148                                 if(msg[i+1] == 'n')
 149                                         msg[p++] = '\n';
 150                                 else if(msg[i+1] == '\\')
 151                                         msg[p++] = '\\';
 152                                 else {
 153                                         msg[p++] = '\\';
 154                                         msg[p++] = msg[i+1];
 155                                 }
 156                                 ++i;
 157                         } else {
 158                                 msg[p++] = msg[i];
 159                         }
 160                 }
 161                 msg[p] = '\0';
 162                 SCR_CenterPrint(msg);
 163         }
 164 }
 165
 166 /*
 167 =============================================================================
 168
 169                                                 COMMAND BUFFER
 170
 171 =============================================================================
 172 */
 173
 174 static sizebuf_t        cmd_text;
 175 static unsigned char            cmd_text_buf[CMDBUFSIZE];
 176
 177 /*
 178 ============
 179 Cbuf_AddText
 180
 181 Adds command text at the end of the buffer
 182 ============
 183 */
 184 void Cbuf_AddText (const char *text)
 185 {
 186         int             l;
 187
 188         l = (int)strlen (text);
 189
 190         if (cmd_text.cursize + l >= cmd_text.maxsize)
 191         {
 192                 Con_Print("Cbuf_AddText: overflow\n");
 193                 return;
 194         }
 195
 196         SZ_Write (&cmd_text, (const unsigned char *)text, (int)strlen (text));
 197 }
 198
 199
 200 /*
 201 ============
 202 Cbuf_InsertText
 203
 204 Adds command text immediately after the current command
 205 Adds a \n to the text
 206 FIXME: actually change the command buffer to do less copying
 207 ============
 208 */
 209 void Cbuf_InsertText (const char *text)
 210 {
 211         char    *temp;
 212         int             templen;
 213
 214         // copy off any commands still remaining in the exec buffer
 215         templen = cmd_text.cursize;
 216         if (templen)
 217         {
 218                 temp = (char *)Mem_Alloc (tempmempool, templen);
 219                 memcpy (temp, cmd_text.data, templen);
 220                 SZ_Clear (&cmd_text);
 221         }
 222         else
 223                 temp = NULL;
 224
 225         // add the entire text of the file
 226         Cbuf_AddText (text);
 227
 228         // add the copied off data
 229         if (temp != NULL)
 230         {
 231                 SZ_Write (&cmd_text, (const unsigned char *)temp, templen);
 232                 Mem_Free (temp);
 233         }
 234 }
 235
 236 /*
 237 ============
 238 Cbuf_Execute_Deferred --blub
 239 ============
 240 */
 241 void Cbuf_Execute_Deferred (void)
 242 {
 243         cmddeferred_t *cmd, *prev;
 244         double time = Sys_DoubleTime();
 245         prev = NULL;
 246         cmd = cmd_deferred_list;
 247         while(cmd)
 248         {
 249                 if(cmd->time <= time)
 250                 {
 251                         Cbuf_AddText(cmd->value);
 252                         Cbuf_AddText(";\n");
 253                         Mem_Free(cmd->value);
 254
 255                         if(prev) {
 256                                 prev->next = cmd->next;
 257                                 Mem_Free(cmd);
 258                                 cmd = prev->next;
 259                         } else {
 260                                 cmd_deferred_list = cmd->next;
 261                                 Mem_Free(cmd);
 262                                 cmd = cmd_deferred_list;
 263                         }
 264                         continue;
 265                 }
 266                 prev = cmd;
 267                 cmd = cmd->next;
 268         }
 269 }
 270
 271 /*
 272 ============
 273 Cbuf_Execute
 274 ============
 275 */
 276 static void Cmd_PreprocessString( const char *intext, char *outtext, unsigned maxoutlen, cmdalias_t *alias );
 277 void Cbuf_Execute (void)
 278 {
 279         int i;
 280         char *text;
 281         char line[MAX_INPUTLINE];
 282         char preprocessed[MAX_INPUTLINE];
 283         char *firstchar;
 284         qboolean quotes, comment;
 285
 286         // LordHavoc: making sure the tokenizebuffer doesn't get filled up by repeated crashes
 287         cmd_tokenizebufferpos = 0;
 288
 289         Cbuf_Execute_Deferred();
 290         while (cmd_text.cursize)
 291         {
 292 // find a \n or ; line break
 293                 text = (char *)cmd_text.data;
 294
 295                 quotes = false;
 296                 comment = false;
 297                 for (i=0 ; i < cmd_text.cursize ; i++)
 298                 {
 299                         if(!comment)
 300                         {
 301                                 if (text[i] == '"')
 302                                         quotes = !quotes;
 303
 304                                 if(quotes)
 305                                 {
 306                                         // make sure i doesn't get > cursize which causes a negative
 307                                         // size in memmove, which is fatal --blub
 308                                         if (i < (cmd_text.cursize-1) && (text[i] == '\\' && (text[i+1] == '"' || text[i+1] == '\\')))
 309                                                 i++;
 310                                 }
 311                                 else
 312                                 {
 313                                         if(text[i] == '/' && text[i + 1] == '/' && (i == 0 || ISWHITESPACE(text[i-1])))
 314                                                 comment = true;
 315                                         if(text[i] == ';')
 316                                                 break;  // don't break if inside a quoted string or comment
 317                                 }
 318                         }
 319
 320                         if (text[i] == '\r' || text[i] == '\n')
 321                                 break;
 322                 }
 323
 324                 // better than CRASHING on overlong input lines that may SOMEHOW enter the buffer
 325                 if(i >= MAX_INPUTLINE)
 326                 {
 327                         Con_Printf("Warning: console input buffer had an overlong line. Ignored.\n");
 328                         line[0] = 0;
 329                 }
 330                 else
 331                 {
 332                         memcpy (line, text, i);
 333                         line[i] = 0;
 334                 }
 335
 336 // delete the text from the command buffer and move remaining commands down
 337 // this is necessary because commands (exec, alias) can insert data at the
 338 // beginning of the text buffer
 339
 340                 if (i == cmd_text.cursize)
 341                         cmd_text.cursize = 0;
 342                 else
 343                 {
 344                         i++;
 345                         cmd_text.cursize -= i;
 346                         memmove (cmd_text.data, text+i, cmd_text.cursize);
 347                 }
 348
 349 // execute the command line
 350                 firstchar = line + strspn(line, " \t");
 351                 if(
 352                         (strncmp(firstchar, "alias", 5) || (firstchar[5] != ' ' && firstchar[5] != '\t'))
 353                         &&
 354                         (strncmp(firstchar, "bind", 4) || (firstchar[4] != ' ' && firstchar[4] != '\t'))
 355                         &&
 356                         (strncmp(firstchar, "in_bind", 7) || (firstchar[7] != ' ' && firstchar[7] != '\t'))
 357                 )
 358                 {
 359                         Cmd_PreprocessString( line, preprocessed, sizeof(preprocessed), NULL );
 360                         Cmd_ExecuteString (preprocessed, src_command);
 361                 }
 362                 else
 363                 {
 364                         Cmd_ExecuteString (line, src_command);
 365                 }
 366
 367                 if (cmd_wait)
 368                 {       // skip out while text still remains in buffer, leaving it
 369                         // for next frame
 370                         cmd_wait = false;
 371                         break;
 372                 }
 373         }
 374 }
 375
 376 /*
 377 ==============================================================================
 378
 379                                                 SCRIPT COMMANDS
 380
 381 ==============================================================================
 382 */
 383
 384 /*
 385 ===============
 386 Cmd_StuffCmds_f
 387
 388 Adds command line parameters as script statements
 389 Commands lead with a +, and continue until a - or another +
 390 quake +prog jctest.qp +cmd amlev1
 391 quake -nosound +cmd amlev1
 392 ===============
 393 */
 394 qboolean host_stuffcmdsrun = false;
 395 void Cmd_StuffCmds_f (void)
 396 {
 397         int             i, j, l;
 398         // this is for all commandline options combined (and is bounds checked)
 399         char    build[MAX_INPUTLINE];
 400
 401         if (Cmd_Argc () != 1)
 402         {
 403                 Con_Print("stuffcmds : execute command line parameters\n");
 404                 return;
 405         }
 406
 407         // no reason to run the commandline arguments twice
 408         if (host_stuffcmdsrun)
 409                 return;
 410
 411         host_stuffcmdsrun = true;
 412         build[0] = 0;
 413         l = 0;
 414         for (i = 0;i < com_argc;i++)
 415         {
 416                 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)
 417                 {
 418                         j = 1;
 419                         while (com_argv[i][j])
 420                                 build[l++] = com_argv[i][j++];
 421                         i++;
 422                         for (;i < com_argc;i++)
 423                         {
 424                                 if (!com_argv[i])
 425                                         continue;
 426                                 if ((com_argv[i][0] == '+' || com_argv[i][0] == '-') && (com_argv[i][1] < '0' || com_argv[i][1] > '9'))
 427                                         break;
 428                                 if (l + strlen(com_argv[i]) + 4 > sizeof(build) - 1)
 429                                         break;
 430                                 build[l++] = ' ';
 431                                 if (strchr(com_argv[i], ' '))
 432                                         build[l++] = '\"';
 433                                 for (j = 0;com_argv[i][j];j++)
 434                                         build[l++] = com_argv[i][j];
 435                                 if (strchr(com_argv[i], ' '))
 436                                         build[l++] = '\"';
 437                         }
 438                         build[l++] = '\n';
 439                         i--;
 440                 }
 441         }
 442         // now terminate the combined string and prepend it to the command buffer
 443         // we already reserved space for the terminator
 444         build[l++] = 0;
 445         Cbuf_InsertText (build);
 446 }
 447
 448
 449 /*
 450 ===============
 451 Cmd_Exec_f
 452 ===============
 453 */
 454 static void Cmd_Exec_f (void)
 455 {
 456         char *f;
 457         const char *filename;
 458
 459         if (Cmd_Argc () != 2)
 460         {
 461                 Con_Print("exec <filename> : execute a script file\n");
 462                 return;
 463         }
 464
 465         filename = Cmd_Argv(1);
 466         if (!strcmp(filename, "config.cfg"))
 467                 filename = CONFIGFILENAME;
 468
 469         f = (char *)FS_LoadFile (filename, tempmempool, false, NULL);
 470         if (!f)
 471         {
 472                 Con_Printf("couldn't exec %s\n",filename);
 473                 return;
 474         }
 475         Con_Printf("execing %s\n",filename);
 476
 477         // if executing default.cfg for the first time, lock the cvar defaults
 478         // it may seem backwards to insert this text BEFORE the default.cfg
 479         // but Cbuf_InsertText inserts before, so this actually ends up after it.
 480         if (strlen(filename) >= 11 && !strcmp(filename + strlen(filename) - 11, "default.cfg"))
 481                 Cbuf_InsertText("\ncvar_lockdefaults\n");
 482
 483         // insert newline after the text to make sure the last line is terminated (some text editors omit the trailing newline)
 484         // (note: insertion order here is backwards from execution order, so this adds it after the text, by calling it before...)
 485         Cbuf_InsertText ("\n");
 486         Cbuf_InsertText (f);
 487         Mem_Free(f);
 488 }
 489
 490
 491 /*
 492 ===============
 493 Cmd_Echo_f
 494
 495 Just prints the rest of the line to the console
 496 ===============
 497 */
 498 static void Cmd_Echo_f (void)
 499 {
 500         int             i;
 501
 502         for (i=1 ; i<Cmd_Argc() ; i++)
 503                 Con_Printf("%s ",Cmd_Argv(i));
 504         Con_Print("\n");
 505 }
 506
 507 // DRESK - 5/14/06
 508 // Support Doom3-style Toggle Console Command
 509 /*
 510 ===============
 511 Cmd_Toggle_f
 512
 513 Toggles a specified console variable amongst the values specified (default is 0 and 1)
 514 ===============
 515 */
 516 static void Cmd_Toggle_f(void)
 517 {
 518         // Acquire Number of Arguments
 519         int nNumArgs = Cmd_Argc();
 520
 521         if(nNumArgs == 1)
 522                 // No Arguments Specified; Print Usage
 523                 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");
 524         else
 525         { // Correct Arguments Specified
 526                 // Acquire Potential CVar
 527                 cvar_t* cvCVar = Cvar_FindVar( Cmd_Argv(1) );
 528
 529                 if(cvCVar != NULL)
 530                 { // Valid CVar
 531                         if(nNumArgs == 2)
 532                         { // Default Usage
 533                                 if(cvCVar->integer)
 534                                         Cvar_SetValueQuick(cvCVar, 0);
 535                                 else
 536                                         Cvar_SetValueQuick(cvCVar, 1);
 537                         }
 538                         else
 539                         if(nNumArgs == 3)
 540                         { // 0 and Specified Usage
 541                                 if(cvCVar->integer == atoi(Cmd_Argv(2) ) )
 542                                         // CVar is Specified Value; // Reset to 0
 543                                         Cvar_SetValueQuick(cvCVar, 0);
 544                                 else
 545                                 if(cvCVar->integer == 0)
 546                                         // CVar is 0; Specify Value
 547                                         Cvar_SetQuick(cvCVar, Cmd_Argv(2) );
 548                                 else
 549                                         // CVar does not match; Reset to 0
 550                                         Cvar_SetValueQuick(cvCVar, 0);
 551                         }
 552                         else
 553                         { // Variable Values Specified
 554                                 int nCnt;
 555                                 int bFound = 0;
 556
 557                                 for(nCnt = 2; nCnt < nNumArgs; nCnt++)
 558                                 { // Cycle through Values
 559                                         if( strcmp(cvCVar->string, Cmd_Argv(nCnt) ) == 0)
 560                                         { // Current Value Located; Increment to Next
 561                                                 if( (nCnt + 1) == nNumArgs)
 562                                                         // Max Value Reached; Reset
 563                                                         Cvar_SetQuick(cvCVar, Cmd_Argv(2) );
 564                                                 else
 565                                                         // Next Value
 566                                                         Cvar_SetQuick(cvCVar, Cmd_Argv(nCnt + 1) );
 567
 568                                                 // End Loop
 569                                                 nCnt = nNumArgs;
 570                                                 // Assign Found
 571                                                 bFound = 1;
 572                                         }
 573                                 }
 574                                 if(!bFound)
 575                                         // Value not Found; Reset to Original
 576                                         Cvar_SetQuick(cvCVar, Cmd_Argv(2) );
 577                         }
 578
 579                 }
 580                 else
 581                 { // Invalid CVar
 582                         Con_Printf("ERROR : CVar '%s' not found\n", Cmd_Argv(1) );
 583                 }
 584         }
 585 }
 586
 587 /*
 588 ===============
 589 Cmd_Alias_f
 590
 591 Creates a new command that executes a command string (possibly ; seperated)
 592 ===============
 593 */
 594 static void Cmd_Alias_f (void)
 595 {
 596         cmdalias_t      *a;
 597         char            cmd[MAX_INPUTLINE];
 598         int                     i, c;
 599         const char              *s;
 600         size_t          alloclen;
 601
 602         if (Cmd_Argc() == 1)
 603         {
 604                 Con_Print("Current alias commands:\n");
 605                 for (a = cmd_alias ; a ; a=a->next)
 606                         Con_Printf("%s : %s", a->name, a->value);
 607                 return;
 608         }
 609
 610         s = Cmd_Argv(1);
 611         if (strlen(s) >= MAX_ALIAS_NAME)
 612         {
 613                 Con_Print("Alias name is too long\n");
 614                 return;
 615         }
 616
 617         // if the alias already exists, reuse it
 618         for (a = cmd_alias ; a ; a=a->next)
 619         {
 620                 if (!strcmp(s, a->name))
 621                 {
 622                         Z_Free (a->value);
 623                         break;
 624                 }
 625         }
 626
 627         if (!a)
 628         {
 629                 cmdalias_t *prev, *current;
 630
 631                 a = (cmdalias_t *)Z_Malloc (sizeof(cmdalias_t));
 632                 strlcpy (a->name, s, sizeof (a->name));
 633                 // insert it at the right alphanumeric position
 634                 for( prev = NULL, current = cmd_alias ; current && strcmp( current->name, a->name ) < 0 ; prev = current, current = current->next )
 635                         ;
 636                 if( prev ) {
 637                         prev->next = a;
 638                 } else {
 639                         cmd_alias = a;
 640                 }
 641                 a->next = current;
 642         }
 643
 644
 645 // copy the rest of the command line
 646         cmd[0] = 0;             // start out with a null string
 647         c = Cmd_Argc();
 648         for (i=2 ; i< c ; i++)
 649         {
 650                 strlcat (cmd, Cmd_Argv(i), sizeof (cmd));
 651                 if (i != c)
 652                         strlcat (cmd, " ", sizeof (cmd));
 653         }
 654         strlcat (cmd, "\n", sizeof (cmd));
 655
 656         alloclen = strlen (cmd) + 1;
 657         if(alloclen >= 2)
 658                 cmd[alloclen - 2] = '\n'; // to make sure a newline is appended even if too long
 659         a->value = (char *)Z_Malloc (alloclen);
 660         memcpy (a->value, cmd, alloclen);
 661 }
 662
 663 /*
 664 ===============
 665 Cmd_UnAlias_f
 666
 667 Remove existing aliases.
 668 ===============
 669 */
 670 static void Cmd_UnAlias_f (void)
 671 {
 672         cmdalias_t      *a, *p;
 673         int i;
 674         const char *s;
 675
 676         if(Cmd_Argc() == 1)
 677         {
 678                 Con_Print("unalias: Usage: unalias alias1 [alias2 ...]\n");
 679                 return;
 680         }
 681
 682         for(i = 1; i < Cmd_Argc(); ++i)
 683         {
 684                 s = Cmd_Argv(i);
 685                 p = NULL;
 686                 for(a = cmd_alias; a; p = a, a = a->next)
 687                 {
 688                         if(!strcmp(s, a->name))
 689                         {
 690                                 if(a == cmd_alias)
 691                                         cmd_alias = a->next;
 692                                 if(p)
 693                                         p->next = a->next;
 694                                 Z_Free(a->value);
 695                                 Z_Free(a);
 696                                 break;
 697                         }
 698                 }
 699                 if(!a)
 700                         Con_Printf("unalias: %s alias not found\n", s);
 701         }
 702 }
 703
 704 /*
 705 =============================================================================
 706
 707                                         COMMAND EXECUTION
 708
 709 =============================================================================
 710 */
 711
 712 typedef struct cmd_function_s
 713 {
 714         struct cmd_function_s *next;
 715         const char *name;
 716         const char *description;
 717         xcommand_t consolefunction;
 718         xcommand_t clientfunction;
 719         qboolean csqcfunc;
 720 } cmd_function_t;
 721
 722 static int cmd_argc;
 723 static const char *cmd_argv[MAX_ARGS];
 724 static const char *cmd_null_string = "";
 725 static const char *cmd_args;
 726 cmd_source_t cmd_source;
 727
 728
 729 static cmd_function_t *cmd_functions;           // possible commands to execute
 730
 731 static const char *Cmd_GetDirectCvarValue(const char *varname, cmdalias_t *alias, qboolean *is_multiple)
 732 {
 733         cvar_t *cvar;
 734         long argno;
 735         char *endptr;
 736
 737         if(is_multiple)
 738                 *is_multiple = false;
 739
 740         if(!varname || !*varname)
 741                 return NULL;
 742
 743         if(alias)
 744         {
 745                 if(!strcmp(varname, "*"))
 746                 {
 747                         if(is_multiple)
 748                                 *is_multiple = true;
 749                         return Cmd_Args();
 750                 }
 751                 else if(!strcmp(varname, "#"))
 752                 {
 753                         return va("%d", Cmd_Argc());
 754                 }
 755                 else if(varname[strlen(varname) - 1] == '-')
 756                 {
 757                         argno = strtol(varname, &endptr, 10);
 758                         if(endptr == varname + strlen(varname) - 1)
 759                         {
 760                                 // whole string is a number, apart from the -
 761                                 const char *p = Cmd_Args();
 762                                 for(; argno > 1; --argno)
 763                                         if(!COM_ParseToken_Console(&p))
 764                                                 break;
 765                                 if(p)
 766                                 {
 767                                         if(is_multiple)
 768                                                 *is_multiple = true;
 769
 770                                         // kill pre-argument whitespace
 771                                         for (;*p && ISWHITESPACE(*p);p++)
 772                                                 ;
 773
 774                                         return p;
 775                                 }
 776                         }
 777                 }
 778                 else
 779                 {
 780                         argno = strtol(varname, &endptr, 10);
 781                         if(*endptr == 0)
 782                         {
 783                                 // whole string is a number
 784                                 // NOTE: we already made sure we don't have an empty cvar name!
 785                                 if(argno >= 0 && argno < Cmd_Argc())
 786                                         return Cmd_Argv(argno);
 787                         }
 788                 }
 789         }
 790
 791         if((cvar = Cvar_FindVar(varname)) && !(cvar->flags & CVAR_PRIVATE))
 792                 return cvar->string;
 793
 794         return NULL;
 795 }
 796
 797 qboolean Cmd_QuoteString(char *out, size_t outlen, const char *in, const char *quoteset)
 798 {
 799         qboolean quote_quot = !!strchr(quoteset, '"');
 800         qboolean quote_backslash = !!strchr(quoteset, '\\');
 801         qboolean quote_dollar = !!strchr(quoteset, '$');
 802
 803         while(*in)
 804         {
 805                 if(*in == '"' && quote_quot)
 806                 {
 807                         if(outlen <= 2)
 808                         {
 809                                 *out++ = 0;
 810                                 return false;
 811                         }
 812                         *out++ = '\\'; --outlen;
 813                         *out++ = '"'; --outlen;
 814                 }
 815                 else if(*in == '\\' && quote_backslash)
 816                 {
 817                         if(outlen <= 2)
 818                         {
 819                                 *out++ = 0;
 820                                 return false;
 821                         }
 822                         *out++ = '\\'; --outlen;
 823                         *out++ = '\\'; --outlen;
 824                 }
 825                 else if(*in == '$' && quote_dollar)
 826                 {
 827                         if(outlen <= 2)
 828                         {
 829                                 *out++ = 0;
 830                                 return false;
 831                         }
 832                         *out++ = '$'; --outlen;
 833                         *out++ = '$'; --outlen;
 834                 }
 835                 else
 836                 {
 837                         if(outlen <= 1)
 838                         {
 839                                 *out++ = 0;
 840                                 return false;
 841                         }
 842                         *out++ = *in; --outlen;
 843                 }
 844                 ++in;
 845         }
 846         *out++ = 0;
 847         return true;
 848 }
 849
 850 static const char *Cmd_GetCvarValue(const char *var, size_t varlen, cmdalias_t *alias)
 851 {
 852         static char varname[MAX_INPUTLINE];
 853         static char varval[MAX_INPUTLINE];
 854         const char *varstr;
 855         char *varfunc;
 856
 857         if(varlen >= MAX_INPUTLINE)
 858                 varlen = MAX_INPUTLINE - 1;
 859         memcpy(varname, var, varlen);
 860         varname[varlen] = 0;
 861         varfunc = strchr(varname, ' ');
 862
 863         if(varfunc)
 864         {
 865                 *varfunc = 0;
 866                 ++varfunc;
 867         }
 868
 869         if(*var == 0)
 870         {
 871                 // empty cvar name?
 872                 return NULL;
 873         }
 874
 875         varstr = NULL;
 876
 877         if(varname[0] == '$')
 878                 varstr = Cmd_GetDirectCvarValue(Cmd_GetDirectCvarValue(varname + 1, alias, NULL), alias, NULL);
 879         else
 880         {
 881                 qboolean is_multiple = false;
 882                 // Exception: $* and $n- don't use the quoted form by default
 883                 varstr = Cmd_GetDirectCvarValue(varname, alias, &is_multiple);
 884                 if(is_multiple)
 885                         if(!varfunc)
 886                                 varfunc = "asis";
 887         }
 888
 889         if(!varstr)
 890         {
 891                 if(alias)
 892                         Con_Printf("Warning: Could not expand $%s in alias %s\n", varname, alias->name);
 893                 else
 894                         Con_Printf("Warning: Could not expand $%s\n", varname);
 895                 return NULL;
 896         }
 897
 898         if(!varfunc || !strcmp(varfunc, "q")) // note: quoted form is default, use "asis" to override!
 899         {
 900                 // quote it so it can be used inside double quotes
 901                 // we just need to replace " by \", and of course, double backslashes
 902                 Cmd_QuoteString(varval, sizeof(varval), varstr, "\"\\");
 903                 return varval;
 904         }
 905         else if(!strcmp(varfunc, "asis"))
 906         {
 907                 return varstr;
 908         }
 909         else
 910                 Con_Printf("Unknown variable function %s\n", varfunc);
 911
 912         return varstr;
 913 }
 914
 915 /*
 916 Cmd_PreprocessString
 917
 918 Preprocesses strings and replaces $*, $param#, $cvar accordingly. Also strips comments.
 919 */
 920 static void Cmd_PreprocessString( const char *intext, char *outtext, unsigned maxoutlen, cmdalias_t *alias ) {
 921         const char *in;
 922         size_t eat, varlen;
 923         unsigned outlen;
 924         const char *val;
 925
 926         // don't crash if there's no room in the outtext buffer
 927         if( maxoutlen == 0 ) {
 928                 return;
 929         }
 930         maxoutlen--; // because of \0
 931
 932         in = intext;
 933         outlen = 0;
 934
 935         while( *in && outlen < maxoutlen ) {
 936                 if( *in == '$' ) {
 937                         // this is some kind of expansion, see what comes after the $
 938                         in++;
 939
 940                         // The console does the following preprocessing:
 941                         //
 942                         // - $$ is transformed to a single dollar sign.
 943                         // - $var or ${var} are expanded to the contents of the named cvar,
 944                         //   with quotation marks and backslashes quoted so it can safely
 945                         //   be used inside quotation marks (and it should always be used
 946                         //   that way)
 947                         // - ${var asis} inserts the cvar value as is, without doing this
 948                         //   quoting
 949                         // - prefix the cvar name with a dollar sign to do indirection;
 950                         //   for example, if $x has the value timelimit, ${$x} will return
 951                         //   the value of $timelimit
 952                         // - when expanding an alias, the special variable name $* refers
 953                         //   to all alias parameters, and a number refers to that numbered
 954                         //   alias parameter, where the name of the alias is $0, the first
 955                         //   parameter is $1 and so on; as a special case, $* inserts all
 956                         //   parameters, without extra quoting, so one can use $* to just
 957                         //   pass all parameters around. All parameters starting from $n
 958                         //   can be referred to as $n- (so $* is equivalent to $1-).
 959                         //
 960                         // Note: when expanding an alias, cvar expansion is done in the SAME step
 961                         // as alias expansion so that alias parameters or cvar values containing
 962                         // dollar signs have no unwanted bad side effects. However, this needs to
 963                         // be accounted for when writing complex aliases. For example,
 964                         //   alias foo "set x NEW; echo $x"
 965                         // actually expands to
 966                         //   "set x NEW; echo OLD"
 967                         // and will print OLD! To work around this, use a second alias:
 968                         //   alias foo "set x NEW; foo2"
 969                         //   alias foo2 "echo $x"
 970                         //
 971                         // Also note: lines starting with alias are exempt from cvar expansion.
 972                         // If you want cvar expansion, write "alias" instead:
 973                         //
 974                         //   set x 1
 975                         //   alias foo "echo $x"
 976                         //   "alias" bar "echo $x"
 977                         //   set x 2
 978                         //
 979                         // foo will print 2, because the variable $x will be expanded when the alias
 980                         // gets expanded. bar will print 1, because the variable $x was expanded
 981                         // at definition time. foo can be equivalently defined as
 982                         //
 983                         //   "alias" foo "echo $$x"
 984                         //
 985                         // because at definition time, $$ will get replaced to a single $.
 986
 987                         if( *in == '$' ) {
 988                                 val = "$";
 989                                 eat = 1;
 990                         } else if(*in == '{') {
 991                                 varlen = strcspn(in + 1, "}");
 992                                 if(in[varlen + 1] == '}')
 993                                 {
 994                                         val = Cmd_GetCvarValue(in + 1, varlen, alias);
 995                                         eat = varlen + 2;
 996                                 }
 997                                 else
 998                                 {
 999                                         // ran out of data?
1000                                         val = NULL;
1001                                         eat = varlen + 1;
1002                                 }
1003                         } else {
1004                                 varlen = strspn(in, "#*0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-");
1005                                 val = Cmd_GetCvarValue(in, varlen, alias);
1006                                 eat = varlen;
1007                         }
1008                         if(val)
1009                         {
1010                                 // insert the cvar value
1011                                 while(*val && outlen < maxoutlen)
1012                                         outtext[outlen++] = *val++;
1013                                 in += eat;
1014                         }
1015                         else
1016                         {
1017                                 // copy the unexpanded text
1018                                 outtext[outlen++] = '$';
1019                                 while(eat && outlen < maxoutlen)
1020                                 {
1021                                         outtext[outlen++] = *in++;
1022                                         --eat;
1023                                 }
1024                         }
1025                 }
1026                 else
1027                         outtext[outlen++] = *in++;
1028         }
1029         outtext[outlen] = 0;
1030 }
1031
1032 /*
1033 ============
1034 Cmd_ExecuteAlias
1035
1036 Called for aliases and fills in the alias into the cbuffer
1037 ============
1038 */
1039 static void Cmd_ExecuteAlias (cmdalias_t *alias)
1040 {
1041         static char buffer[ MAX_INPUTLINE ];
1042         static char buffer2[ MAX_INPUTLINE ];
1043         Cmd_PreprocessString( alias->value, buffer, sizeof(buffer) - 2, alias );
1044         // insert at start of command buffer, so that aliases execute in order
1045         // (fixes bug introduced by Black on 20050705)
1046
1047         // Note: Cbuf_PreprocessString will be called on this string AGAIN! So we
1048         // have to make sure that no second variable expansion takes place, otherwise
1049         // alias parameters containing dollar signs can have bad effects.
1050         Cmd_QuoteString(buffer2, sizeof(buffer2), buffer, "$");
1051         Cbuf_InsertText( buffer2 );
1052 }
1053
1054 /*
1055 ========
1056 Cmd_List
1057
1058         CmdList Added by EvilTypeGuy eviltypeguy@qeradiant.com
1059         Thanks to Matthias "Maddes" Buecher, http://www.inside3d.com/qip/
1060
1061 ========
1062 */
1063 static void Cmd_List_f (void)
1064 {
1065         cmd_function_t *cmd;
1066         const char *partial;
1067         size_t len;
1068         int count;
1069         qboolean ispattern;
1070
1071         if (Cmd_Argc() > 1)
1072         {
1073                 partial = Cmd_Argv (1);
1074                 len = strlen(partial);
1075         }
1076         else
1077         {
1078                 partial = NULL;
1079                 len = 0;
1080         }
1081
1082         ispattern = partial && (strchr(partial, '*') || strchr(partial, '?'));
1083
1084         count = 0;
1085         for (cmd = cmd_functions; cmd; cmd = cmd->next)
1086         {
1087                 if (partial && (ispattern ? !matchpattern_with_separator(cmd->name, partial, false, "", false) : strncmp(partial, cmd->name, len)))
1088                         continue;
1089                 Con_Printf("%s : %s\n", cmd->name, cmd->description);
1090                 count++;
1091         }
1092
1093         if (len)
1094         {
1095                 if(ispattern)
1096                         Con_Printf("%i Command%s matching \"%s\"\n\n", count, (count > 1) ? "s" : "", partial);
1097                 else
1098                         Con_Printf("%i Command%s beginning with \"%s\"\n\n", count, (count > 1) ? "s" : "", partial);
1099         }
1100         else
1101                 Con_Printf("%i Command%s\n\n", count, (count > 1) ? "s" : "");
1102 }
1103
1104 static void Cmd_Apropos_f(void)
1105 {
1106         cmd_function_t *cmd;
1107         cvar_t *cvar;
1108         cmdalias_t *alias;
1109         const char *partial;
1110         size_t len;
1111         int count;
1112         qboolean ispattern;
1113
1114         if (Cmd_Argc() > 1)
1115         {
1116                 partial = Cmd_Args();
1117                 len = strlen(partial);
1118         }
1119         else
1120         {
1121                 Con_Printf("usage: apropos <string>\n");
1122                 return;
1123         }
1124
1125         ispattern = partial && (strchr(partial, '*') || strchr(partial, '?'));
1126         if(!ispattern)
1127         {
1128                 partial = va("*%s*", partial);
1129                 len += 2;
1130         }
1131
1132         count = 0;
1133         for (cvar = cvar_vars; cvar; cvar = cvar->next)
1134         {
1135                 if (!matchpattern_with_separator(cvar->name, partial, true, "", false))
1136                 if (!matchpattern_with_separator(cvar->description, partial, true, "", false))
1137                         continue;
1138                 Con_Printf ("cvar ^3%s^7 is \"%s\" [\"%s\"] %s\n", cvar->name, cvar->string, cvar->defstring, cvar->description);
1139                 count++;
1140         }
1141         for (cmd = cmd_functions; cmd; cmd = cmd->next)
1142         {
1143                 if (!matchpattern_with_separator(cmd->name, partial, true, "", false))
1144                 if (!matchpattern_with_separator(cmd->description, partial, true, "", false))
1145                         continue;
1146                 Con_Printf("command ^2%s^7: %s\n", cmd->name, cmd->description);
1147                 count++;
1148         }
1149         for (alias = cmd_alias; alias; alias = alias->next)
1150         {
1151                 if (!matchpattern_with_separator(alias->name, partial, true, "", false))
1152                 if (!matchpattern_with_separator(alias->value, partial, true, "", false))
1153                         continue;
1154                 Con_Printf("alias ^5%s^7: %s", alias->name, alias->value);
1155                 count++;
1156         }
1157         Con_Printf("%i result%s\n\n", count, (count > 1) ? "s" : "");
1158 }
1159
1160 /*
1161 ============
1162 Cmd_Init
1163 ============
1164 */
1165 void Cmd_Init (void)
1166 {
1167         cmd_mempool = Mem_AllocPool("commands", 0, NULL);
1168         // space for commands and script files
1169         cmd_text.data = cmd_text_buf;
1170         cmd_text.maxsize = sizeof(cmd_text_buf);
1171         cmd_text.cursize = 0;
1172 }
1173
1174 void Cmd_Init_Commands (void)
1175 {
1176 //
1177 // register our commands
1178 //
1179         Cmd_AddCommand ("stuffcmds",Cmd_StuffCmds_f, "execute commandline parameters (must be present in quake.rc script)");
1180         Cmd_AddCommand ("exec",Cmd_Exec_f, "execute a script file");
1181         Cmd_AddCommand ("echo",Cmd_Echo_f, "print a message to the console (useful in scripts)");
1182         Cmd_AddCommand ("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");
1183         Cmd_AddCommand ("unalias",Cmd_UnAlias_f, "remove an alias");
1184         Cmd_AddCommand ("cmd", Cmd_ForwardToServer, "send a console commandline to the server (used by some mods)");
1185         Cmd_AddCommand ("wait", Cmd_Wait_f, "make script execution wait for next rendered frame");
1186         Cmd_AddCommand ("set", Cvar_Set_f, "create or change the value of a console variable");
1187         Cmd_AddCommand ("seta", Cvar_SetA_f, "create or change the value of a console variable that will be saved to config.cfg");
1188         Cmd_AddCommand ("unset", Cvar_Del_f, "delete a cvar (does not work for static ones like _cl_name, or read-only ones)");
1189 #ifdef FILLALLCVARSWITHRUBBISH
1190         Cmd_AddCommand ("fillallcvarswithrubbish", Cvar_FillAll_f, "fill all cvars with a specified number of characters to provoke buffer overruns");
1191 #endif /* FILLALLCVARSWITHRUBBISH */
1192
1193         // 2000-01-09 CmdList, CvarList commands By Matthias "Maddes" Buecher
1194         // Added/Modified by EvilTypeGuy eviltypeguy@qeradiant.com
1195         Cmd_AddCommand ("cmdlist", Cmd_List_f, "lists all console commands beginning with the specified prefix or matching the specified wildcard pattern");
1196         Cmd_AddCommand ("cvarlist", Cvar_List_f, "lists all console variables beginning with the specified prefix or matching the specified wildcard pattern");
1197         Cmd_AddCommand ("apropos", Cmd_Apropos_f, "lists all console variables/commands/aliases containing the specified string in the name or description");
1198
1199         Cmd_AddCommand ("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");
1200         Cmd_AddCommand ("cvar_resettodefaults_all", Cvar_ResetToDefaults_All_f, "sets all cvars to their locked default values");
1201         Cmd_AddCommand ("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)");
1202         Cmd_AddCommand ("cvar_resettodefaults_saveonly", Cvar_ResetToDefaults_SaveOnly_f, "sets all saved cvars to their locked default values (variables that will be saved to config.cfg)");
1203
1204         Cmd_AddCommand ("cprint", Cmd_Centerprint_f, "print something at the screen center");
1205         Cmd_AddCommand ("defer", Cmd_Defer_f, "execute a command in the future");
1206
1207         // DRESK - 5/14/06
1208         // Support Doom3-style Toggle Command
1209         Cmd_AddCommand( "toggle", Cmd_Toggle_f, "toggles a console variable's values (use for more info)");
1210 }
1211
1212 /*
1213 ============
1214 Cmd_Shutdown
1215 ============
1216 */
1217 void Cmd_Shutdown(void)
1218 {
1219         Mem_FreePool(&cmd_mempool);
1220 }
1221
1222 /*
1223 ============
1224 Cmd_Argc
1225 ============
1226 */
1227 int             Cmd_Argc (void)
1228 {
1229         return cmd_argc;
1230 }
1231
1232 /*
1233 ============
1234 Cmd_Argv
1235 ============
1236 */
1237 const char *Cmd_Argv (int arg)
1238 {
1239         if (arg >= cmd_argc )
1240                 return cmd_null_string;
1241         return cmd_argv[arg];
1242 }
1243
1244 /*
1245 ============
1246 Cmd_Args
1247 ============
1248 */
1249 const char *Cmd_Args (void)
1250 {
1251         return cmd_args;
1252 }
1253
1254
1255 /*
1256 ============
1257 Cmd_TokenizeString
1258
1259 Parses the given string into command line tokens.
1260 ============
1261 */
1262 // AK: This function should only be called from ExcuteString because the current design is a bit of an hack
1263 static void Cmd_TokenizeString (const char *text)
1264 {
1265         int l;
1266
1267         cmd_argc = 0;
1268         cmd_args = NULL;
1269
1270         while (1)
1271         {
1272                 // skip whitespace up to a /n
1273                 while (*text && ISWHITESPACE(*text) && *text != '\r' && *text != '\n')
1274                         text++;
1275
1276                 // line endings:
1277                 // UNIX: \n
1278                 // Mac: \r
1279                 // Windows: \r\n
1280                 if (*text == '\n' || *text == '\r')
1281                 {
1282                         // a newline separates commands in the buffer
1283                         if (*text == '\r' && text[1] == '\n')
1284                                 text++;
1285                         text++;
1286                         break;
1287                 }
1288
1289                 if (!*text)
1290                         return;
1291
1292                 if (cmd_argc == 1)
1293                         cmd_args = text;
1294
1295                 if (!COM_ParseToken_Console(&text))
1296                         return;
1297
1298                 if (cmd_argc < MAX_ARGS)
1299                 {
1300                         l = (int)strlen(com_token) + 1;
1301                         if (cmd_tokenizebufferpos + l > CMD_TOKENIZELENGTH)
1302                         {
1303                                 Con_Printf("Cmd_TokenizeString: ran out of %i character buffer space for command arguements\n", CMD_TOKENIZELENGTH);
1304                                 break;
1305                         }
1306                         memcpy (cmd_tokenizebuffer + cmd_tokenizebufferpos, com_token, l);
1307                         cmd_argv[cmd_argc] = cmd_tokenizebuffer + cmd_tokenizebufferpos;
1308                         cmd_tokenizebufferpos += l;
1309                         cmd_argc++;
1310                 }
1311         }
1312 }
1313
1314
1315 /*
1316 ============
1317 Cmd_AddCommand
1318 ============
1319 */
1320 void Cmd_AddCommand_WithClientCommand (const char *cmd_name, xcommand_t consolefunction, xcommand_t clientfunction, const char *description)
1321 {
1322         cmd_function_t *cmd;
1323         cmd_function_t *prev, *current;
1324
1325 // fail if the command is a variable name
1326         if (Cvar_FindVar( cmd_name ))
1327         {
1328                 Con_Printf("Cmd_AddCommand: %s already defined as a var\n", cmd_name);
1329                 return;
1330         }
1331
1332 // fail if the command already exists
1333         for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
1334         {
1335                 if (!strcmp (cmd_name, cmd->name))
1336                 {
1337                         if (consolefunction || clientfunction)
1338                         {
1339                                 Con_Printf("Cmd_AddCommand: %s already defined\n", cmd_name);
1340                                 return;
1341                         }
1342                         else    //[515]: csqc
1343                         {
1344                                 cmd->csqcfunc = true;
1345                                 return;
1346                         }
1347                 }
1348         }
1349
1350         cmd = (cmd_function_t *)Mem_Alloc(cmd_mempool, sizeof(cmd_function_t));
1351         cmd->name = cmd_name;
1352         cmd->consolefunction = consolefunction;
1353         cmd->clientfunction = clientfunction;
1354         cmd->description = description;
1355         if(!consolefunction && !clientfunction)                 //[515]: csqc
1356                 cmd->csqcfunc = true;
1357         cmd->next = cmd_functions;
1358
1359 // insert it at the right alphanumeric position
1360         for( prev = NULL, current = cmd_functions ; current && strcmp( current->name, cmd->name ) < 0 ; prev = current, current = current->next )
1361                 ;
1362         if( prev ) {
1363                 prev->next = cmd;
1364         } else {
1365                 cmd_functions = cmd;
1366         }
1367         cmd->next = current;
1368 }
1369
1370 void Cmd_AddCommand (const char *cmd_name, xcommand_t function, const char *description)
1371 {
1372         Cmd_AddCommand_WithClientCommand (cmd_name, function, NULL, description);
1373 }
1374
1375 /*
1376 ============
1377 Cmd_Exists
1378 ============
1379 */
1380 qboolean Cmd_Exists (const char *cmd_name)
1381 {
1382         cmd_function_t  *cmd;
1383
1384         for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
1385                 if (!strcmp (cmd_name,cmd->name))
1386                         return true;
1387
1388         return false;
1389 }
1390
1391
1392 /*
1393 ============
1394 Cmd_CompleteCommand
1395 ============
1396 */
1397 const char *Cmd_CompleteCommand (const char *partial)
1398 {
1399         cmd_function_t *cmd;
1400         size_t len;
1401
1402         len = strlen(partial);
1403
1404         if (!len)
1405                 return NULL;
1406
1407 // check functions
1408         for (cmd = cmd_functions; cmd; cmd = cmd->next)
1409                 if (!strncasecmp(partial, cmd->name, len))
1410                         return cmd->name;
1411
1412         return NULL;
1413 }
1414
1415 /*
1416         Cmd_CompleteCountPossible
1417
1418         New function for tab-completion system
1419         Added by EvilTypeGuy
1420         Thanks to Fett erich@heintz.com
1421         Thanks to taniwha
1422
1423 */
1424 int Cmd_CompleteCountPossible (const char *partial)
1425 {
1426         cmd_function_t *cmd;
1427         size_t len;
1428         int h;
1429
1430         h = 0;
1431         len = strlen(partial);
1432
1433         if (!len)
1434                 return 0;
1435
1436         // Loop through the command list and count all partial matches
1437         for (cmd = cmd_functions; cmd; cmd = cmd->next)
1438                 if (!strncasecmp(partial, cmd->name, len))
1439                         h++;
1440
1441         return h;
1442 }
1443
1444 /*
1445         Cmd_CompleteBuildList
1446
1447         New function for tab-completion system
1448         Added by EvilTypeGuy
1449         Thanks to Fett erich@heintz.com
1450         Thanks to taniwha
1451
1452 */
1453 const char **Cmd_CompleteBuildList (const char *partial)
1454 {
1455         cmd_function_t *cmd;
1456         size_t len = 0;
1457         size_t bpos = 0;
1458         size_t sizeofbuf = (Cmd_CompleteCountPossible (partial) + 1) * sizeof (const char *);
1459         const char **buf;
1460
1461         len = strlen(partial);
1462         buf = (const char **)Mem_Alloc(tempmempool, sizeofbuf + sizeof (const char *));
1463         // Loop through the alias list and print all matches
1464         for (cmd = cmd_functions; cmd; cmd = cmd->next)
1465                 if (!strncasecmp(partial, cmd->name, len))
1466                         buf[bpos++] = cmd->name;
1467
1468         buf[bpos] = NULL;
1469         return buf;
1470 }
1471
1472 // written by LordHavoc
1473 void Cmd_CompleteCommandPrint (const char *partial)
1474 {
1475         cmd_function_t *cmd;
1476         size_t len = strlen(partial);
1477         // Loop through the command list and print all matches
1478         for (cmd = cmd_functions; cmd; cmd = cmd->next)
1479                 if (!strncasecmp(partial, cmd->name, len))
1480                         Con_Printf("^2%s^7: %s\n", cmd->name, cmd->description);
1481 }
1482
1483 /*
1484         Cmd_CompleteAlias
1485
1486         New function for tab-completion system
1487         Added by EvilTypeGuy
1488         Thanks to Fett erich@heintz.com
1489         Thanks to taniwha
1490
1491 */
1492 const char *Cmd_CompleteAlias (const char *partial)
1493 {
1494         cmdalias_t *alias;
1495         size_t len;
1496
1497         len = strlen(partial);
1498
1499         if (!len)
1500                 return NULL;
1501
1502         // Check functions
1503         for (alias = cmd_alias; alias; alias = alias->next)
1504                 if (!strncasecmp(partial, alias->name, len))
1505                         return alias->name;
1506
1507         return NULL;
1508 }
1509
1510 // written by LordHavoc
1511 void Cmd_CompleteAliasPrint (const char *partial)
1512 {
1513         cmdalias_t *alias;
1514         size_t len = strlen(partial);
1515         // Loop through the alias list and print all matches
1516         for (alias = cmd_alias; alias; alias = alias->next)
1517                 if (!strncasecmp(partial, alias->name, len))
1518                         Con_Printf("^5%s^7: %s", alias->name, alias->value);
1519 }
1520
1521
1522 /*
1523         Cmd_CompleteAliasCountPossible
1524
1525         New function for tab-completion system
1526         Added by EvilTypeGuy
1527         Thanks to Fett erich@heintz.com
1528         Thanks to taniwha
1529
1530 */
1531 int Cmd_CompleteAliasCountPossible (const char *partial)
1532 {
1533         cmdalias_t      *alias;
1534         size_t          len;
1535         int                     h;
1536
1537         h = 0;
1538
1539         len = strlen(partial);
1540
1541         if (!len)
1542                 return 0;
1543
1544         // Loop through the command list and count all partial matches
1545         for (alias = cmd_alias; alias; alias = alias->next)
1546                 if (!strncasecmp(partial, alias->name, len))
1547                         h++;
1548
1549         return h;
1550 }
1551
1552 /*
1553         Cmd_CompleteAliasBuildList
1554
1555         New function for tab-completion system
1556         Added by EvilTypeGuy
1557         Thanks to Fett erich@heintz.com
1558         Thanks to taniwha
1559
1560 */
1561 const char **Cmd_CompleteAliasBuildList (const char *partial)
1562 {
1563         cmdalias_t *alias;
1564         size_t len = 0;
1565         size_t bpos = 0;
1566         size_t sizeofbuf = (Cmd_CompleteAliasCountPossible (partial) + 1) * sizeof (const char *);
1567         const char **buf;
1568
1569         len = strlen(partial);
1570         buf = (const char **)Mem_Alloc(tempmempool, sizeofbuf + sizeof (const char *));
1571         // Loop through the alias list and print all matches
1572         for (alias = cmd_alias; alias; alias = alias->next)
1573                 if (!strncasecmp(partial, alias->name, len))
1574                         buf[bpos++] = alias->name;
1575
1576         buf[bpos] = NULL;
1577         return buf;
1578 }
1579
1580 void Cmd_ClearCsqcFuncs (void)
1581 {
1582         cmd_function_t *cmd;
1583         for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
1584                 cmd->csqcfunc = false;
1585 }
1586
1587 qboolean CL_VM_ConsoleCommand (const char *cmd);
1588 /*
1589 ============
1590 Cmd_ExecuteString
1591
1592 A complete command line has been parsed, so try to execute it
1593 FIXME: lookupnoadd the token to speed search?
1594 ============
1595 */
1596 void Cmd_ExecuteString (const char *text, cmd_source_t src)
1597 {
1598         int oldpos;
1599         int found;
1600         cmd_function_t *cmd;
1601         cmdalias_t *a;
1602
1603         oldpos = cmd_tokenizebufferpos;
1604         cmd_source = src;
1605         found = false;
1606
1607         Cmd_TokenizeString (text);
1608
1609 // execute the command line
1610         if (!Cmd_Argc())
1611         {
1612                 cmd_tokenizebufferpos = oldpos;
1613                 return;         // no tokens
1614         }
1615
1616 // check functions
1617         for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
1618         {
1619                 if (!strcasecmp (cmd_argv[0],cmd->name))
1620                 {
1621                         if (cmd->csqcfunc && CL_VM_ConsoleCommand (text))       //[515]: csqc
1622                                 return;
1623                         switch (src)
1624                         {
1625                         case src_command:
1626                                 if (cmd->consolefunction)
1627                                         cmd->consolefunction ();
1628                                 else if (cmd->clientfunction)
1629                                 {
1630                                         if (cls.state == ca_connected)
1631                                         {
1632                                                 // forward remote commands to the server for execution
1633                                                 Cmd_ForwardToServer();
1634                                         }
1635                                         else
1636                                                 Con_Printf("Can not send command \"%s\", not connected.\n", Cmd_Argv(0));
1637                                 }
1638                                 else
1639                                         Con_Printf("Command \"%s\" can not be executed\n", Cmd_Argv(0));
1640                                 found = true;
1641                                 goto command_found;
1642                         case src_client:
1643                                 if (cmd->clientfunction)
1644                                 {
1645                                         cmd->clientfunction ();
1646                                         cmd_tokenizebufferpos = oldpos;
1647                                         return;
1648                                 }
1649                                 break;
1650                         }
1651                         break;
1652                 }
1653         }
1654 command_found:
1655
1656         // if it's a client command and no command was found, say so.
1657         if (cmd_source == src_client)
1658         {
1659                 Con_Printf("player \"%s\" tried to %s\n", host_client->name, text);
1660                 cmd_tokenizebufferpos = oldpos;
1661                 return;
1662         }
1663
1664 // check alias
1665         for (a=cmd_alias ; a ; a=a->next)
1666         {
1667                 if (!strcasecmp (cmd_argv[0], a->name))
1668                 {
1669                         Cmd_ExecuteAlias(a);
1670                         cmd_tokenizebufferpos = oldpos;
1671                         return;
1672                 }
1673         }
1674
1675         if(found) // if the command was hooked and found, all is good
1676         {
1677                 cmd_tokenizebufferpos = oldpos;
1678                 return;
1679         }
1680
1681 // check cvars
1682         if (!Cvar_Command () && host_framecount > 0)
1683                 Con_Printf("Unknown command \"%s\"\n", Cmd_Argv(0));
1684
1685         cmd_tokenizebufferpos = oldpos;
1686 }
1687
1688
1689 /*
1690 ===================
1691 Cmd_ForwardStringToServer
1692
1693 Sends an entire command string over to the server, unprocessed
1694 ===================
1695 */
1696 void Cmd_ForwardStringToServer (const char *s)
1697 {
1698         char temp[128];
1699         if (cls.state != ca_connected)
1700         {
1701                 Con_Printf("Can't \"%s\", not connected\n", s);
1702                 return;
1703         }
1704
1705         if (!cls.netcon)
1706                 return;
1707
1708         // LordHavoc: thanks to Fuh for bringing the pure evil of SZ_Print to my
1709         // attention, it has been eradicated from here, its only (former) use in
1710         // all of darkplaces.
1711         if (cls.protocol == PROTOCOL_QUAKEWORLD)
1712                 MSG_WriteByte(&cls.netcon->message, qw_clc_stringcmd);
1713         else
1714                 MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
1715         if ((!strncmp(s, "say ", 4) || !strncmp(s, "say_team ", 9)) && cl_locs_enable.integer)
1716         {
1717                 // say/say_team commands can replace % character codes with status info
1718                 while (*s)
1719                 {
1720                         if (*s == '%' && s[1])
1721                         {
1722                                 // handle proquake message macros
1723                                 temp[0] = 0;
1724                                 switch (s[1])
1725                                 {
1726                                 case 'l': // current location
1727                                         CL_Locs_FindLocationName(temp, sizeof(temp), cl.movement_origin);
1728                                         break;
1729                                 case 'h': // current health
1730                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_HEALTH]);
1731                                         break;
1732                                 case 'a': // current armor
1733                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_ARMOR]);
1734                                         break;
1735                                 case 'x': // current rockets
1736                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_ROCKETS]);
1737                                         break;
1738                                 case 'c': // current cells
1739                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_CELLS]);
1740                                         break;
1741                                 // silly proquake macros
1742                                 case 'd': // loc at last death
1743                                         CL_Locs_FindLocationName(temp, sizeof(temp), cl.lastdeathorigin);
1744                                         break;
1745                                 case 't': // current time
1746                                         dpsnprintf(temp, sizeof(temp), "%.0f:%.0f", floor(cl.time / 60), cl.time - floor(cl.time / 60) * 60);
1747                                         break;
1748                                 case 'r': // rocket launcher status ("I have RL", "I need rockets", "I need RL")
1749                                         if (!(cl.stats[STAT_ITEMS] & IT_ROCKET_LAUNCHER))
1750                                                 dpsnprintf(temp, sizeof(temp), "I need RL");
1751                                         else if (!cl.stats[STAT_ROCKETS])
1752                                                 dpsnprintf(temp, sizeof(temp), "I need rockets");
1753                                         else
1754                                                 dpsnprintf(temp, sizeof(temp), "I have RL");
1755                                         break;
1756                                 case 'p': // powerup status (outputs "quad" "pent" and "eyes" according to status)
1757                                         if (cl.stats[STAT_ITEMS] & IT_QUAD)
1758                                         {
1759                                                 if (temp[0])
1760                                                         strlcat(temp, " ", sizeof(temp));
1761                                                 strlcat(temp, "quad", sizeof(temp));
1762                                         }
1763                                         if (cl.stats[STAT_ITEMS] & IT_INVULNERABILITY)
1764                                         {
1765                                                 if (temp[0])
1766                                                         strlcat(temp, " ", sizeof(temp));
1767                                                 strlcat(temp, "pent", sizeof(temp));
1768                                         }
1769                                         if (cl.stats[STAT_ITEMS] & IT_INVISIBILITY)
1770                                         {
1771                                                 if (temp[0])
1772                                                         strlcat(temp, " ", sizeof(temp));
1773                                                 strlcat(temp, "eyes", sizeof(temp));
1774                                         }
1775                                         break;
1776                                 case 'w': // weapon status (outputs "SSG:NG:SNG:GL:RL:LG" with the text between : characters omitted if you lack the weapon)
1777                                         if (cl.stats[STAT_ITEMS] & IT_SUPER_SHOTGUN)
1778                                                 strlcat(temp, "SSG", sizeof(temp));
1779                                         strlcat(temp, ":", sizeof(temp));
1780                                         if (cl.stats[STAT_ITEMS] & IT_NAILGUN)
1781                                                 strlcat(temp, "NG", sizeof(temp));
1782                                         strlcat(temp, ":", sizeof(temp));
1783                                         if (cl.stats[STAT_ITEMS] & IT_SUPER_NAILGUN)
1784                                                 strlcat(temp, "SNG", sizeof(temp));
1785                                         strlcat(temp, ":", sizeof(temp));
1786                                         if (cl.stats[STAT_ITEMS] & IT_GRENADE_LAUNCHER)
1787                                                 strlcat(temp, "GL", sizeof(temp));
1788                                         strlcat(temp, ":", sizeof(temp));
1789                                         if (cl.stats[STAT_ITEMS] & IT_ROCKET_LAUNCHER)
1790                                                 strlcat(temp, "RL", sizeof(temp));
1791                                         strlcat(temp, ":", sizeof(temp));
1792                                         if (cl.stats[STAT_ITEMS] & IT_LIGHTNING)
1793                                                 strlcat(temp, "LG", sizeof(temp));
1794                                         break;
1795                                 default:
1796                                         // not a recognized macro, print it as-is...
1797                                         temp[0] = s[0];
1798                                         temp[1] = s[1];
1799                                         temp[2] = 0;
1800                                         break;
1801                                 }
1802                                 // write the resulting text
1803                                 SZ_Write(&cls.netcon->message, (unsigned char *)temp, strlen(temp));
1804                                 s += 2;
1805                                 continue;
1806                         }
1807                         MSG_WriteByte(&cls.netcon->message, *s);
1808                         s++;
1809                 }
1810                 MSG_WriteByte(&cls.netcon->message, 0);
1811         }
1812         else // any other command is passed on as-is
1813                 SZ_Write(&cls.netcon->message, (const unsigned char *)s, (int)strlen(s) + 1);
1814 }
1815
1816 /*
1817 ===================
1818 Cmd_ForwardToServer
1819
1820 Sends the entire command line over to the server
1821 ===================
1822 */
1823 void Cmd_ForwardToServer (void)
1824 {
1825         const char *s;
1826         if (!strcasecmp(Cmd_Argv(0), "cmd"))
1827         {
1828                 // we want to strip off "cmd", so just send the args
1829                 s = Cmd_Argc() > 1 ? Cmd_Args() : "";
1830         }
1831         else
1832         {
1833                 // we need to keep the command name, so send Cmd_Argv(0), a space and then Cmd_Args()
1834                 s = va("%s %s", Cmd_Argv(0), Cmd_Argc() > 1 ? Cmd_Args() : "");
1835         }
1836         // don't send an empty forward message if the user tries "cmd" by itself
1837         if (!s || !*s)
1838                 return;
1839         Cmd_ForwardStringToServer(s);
1840 }
1841
1842
1843 /*
1844 ================
1845 Cmd_CheckParm
1846
1847 Returns the position (1 to argc-1) in the command's argument list
1848 where the given parameter apears, or 0 if not present
1849 ================
1850 */
1851
1852 int Cmd_CheckParm (const char *parm)
1853 {
1854         int i;
1855
1856         if (!parm)
1857         {
1858                 Con_Printf ("Cmd_CheckParm: NULL");
1859                 return 0;
1860         }
1861
1862         for (i = 1; i < Cmd_Argc (); i++)
1863                 if (!strcasecmp (parm, Cmd_Argv (i)))
1864                         return i;
1865
1866         return 0;
1867 }
1868