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 #define MAX_ALIAS_NAME  32
  25 // this is the largest script file that can be executed in one step
  26 // LordHavoc: inreased this from 8192 to 32768
  27 #define CMDBUFSIZE 32768
  28 // maximum number of parameters to a command
  29 #define MAX_ARGS 80
  30 // maximum tokenizable commandline length (counting NUL terminations)
  31 #define CMD_TOKENIZELENGTH (MAX_INPUTLINE + 80)
  32
  33 typedef struct cmdalias_s
  34 {
  35         struct cmdalias_s *next;
  36         char name[MAX_ALIAS_NAME];
  37         char *value;
  38 } cmdalias_t;
  39
  40 static cmdalias_t *cmd_alias;
  41
  42 static qboolean cmd_wait;
  43
  44 static mempool_t *cmd_mempool;
  45
  46 static char cmd_tokenizebuffer[CMD_TOKENIZELENGTH];
  47 static int cmd_tokenizebufferpos = 0;
  48
  49 //=============================================================================
  50
  51 /*
  52 ============
  53 Cmd_Wait_f
  54
  55 Causes execution of the remainder of the command buffer to be delayed until
  56 next frame.  This allows commands like:
  57 bind g "impulse 5 ; +attack ; wait ; -attack ; impulse 2"
  58 ============
  59 */
  60 static void Cmd_Wait_f (void)
  61 {
  62         cmd_wait = true;
  63 }
  64
  65 /*
  66 =============================================================================
  67
  68                                                 COMMAND BUFFER
  69
  70 =============================================================================
  71 */
  72
  73 static sizebuf_t        cmd_text;
  74 static unsigned char            cmd_text_buf[CMDBUFSIZE];
  75
  76 /*
  77 ============
  78 Cbuf_AddText
  79
  80 Adds command text at the end of the buffer
  81 ============
  82 */
  83 void Cbuf_AddText (const char *text)
  84 {
  85         int             l;
  86
  87         l = (int)strlen (text);
  88
  89         if (cmd_text.cursize + l >= cmd_text.maxsize)
  90         {
  91                 Con_Print("Cbuf_AddText: overflow\n");
  92                 return;
  93         }
  94
  95         SZ_Write (&cmd_text, (const unsigned char *)text, (int)strlen (text));
  96 }
  97
  98
  99 /*
 100 ============
 101 Cbuf_InsertText
 102
 103 Adds command text immediately after the current command
 104 Adds a \n to the text
 105 FIXME: actually change the command buffer to do less copying
 106 ============
 107 */
 108 void Cbuf_InsertText (const char *text)
 109 {
 110         char    *temp;
 111         int             templen;
 112
 113         // copy off any commands still remaining in the exec buffer
 114         templen = cmd_text.cursize;
 115         if (templen)
 116         {
 117                 temp = (char *)Mem_Alloc (tempmempool, templen);
 118                 memcpy (temp, cmd_text.data, templen);
 119                 SZ_Clear (&cmd_text);
 120         }
 121         else
 122                 temp = NULL;
 123
 124         // add the entire text of the file
 125         Cbuf_AddText (text);
 126
 127         // add the copied off data
 128         if (temp != NULL)
 129         {
 130                 SZ_Write (&cmd_text, (const unsigned char *)temp, templen);
 131                 Mem_Free (temp);
 132         }
 133 }
 134
 135 /*
 136 ============
 137 Cbuf_Execute
 138 ============
 139 */
 140 static void Cmd_PreprocessString( const char *intext, char *outtext, unsigned maxoutlen, cmdalias_t *alias );
 141 void Cbuf_Execute (void)
 142 {
 143         int i;
 144         char *text;
 145         char line[MAX_INPUTLINE];
 146         char preprocessed[MAX_INPUTLINE];
 147         char *firstchar;
 148         int quotes;
 149
 150         // LordHavoc: making sure the tokenizebuffer doesn't get filled up by repeated crashes
 151         cmd_tokenizebufferpos = 0;
 152
 153         while (cmd_text.cursize)
 154         {
 155 // find a \n or ; line break
 156                 text = (char *)cmd_text.data;
 157
 158                 quotes = 0;
 159                 for (i=0 ; i< cmd_text.cursize ; i++)
 160                 {
 161                         if (text[i] == '"')
 162                                 quotes ^= 1;
 163                         if (text[i] == '\\' && (text[i+1] == '"' || text[i+1] == '\\'))
 164                                 i++;
 165                         if ( !quotes &&  text[i] == ';')
 166                                 break;  // don't break if inside a quoted string
 167                         if (text[i] == '\r' || text[i] == '\n')
 168                                 break;
 169                 }
 170
 171                 memcpy (line, text, i);
 172                 line[i] = 0;
 173
 174 // delete the text from the command buffer and move remaining commands down
 175 // this is necessary because commands (exec, alias) can insert data at the
 176 // beginning of the text buffer
 177
 178                 if (i == cmd_text.cursize)
 179                         cmd_text.cursize = 0;
 180                 else
 181                 {
 182                         i++;
 183                         cmd_text.cursize -= i;
 184                         memcpy (cmd_text.data, text+i, cmd_text.cursize);
 185                 }
 186
 187 // execute the command line
 188                 firstchar = line + strspn(line, " \t");
 189                 if(
 190                         (strncmp(firstchar, "alias", 5) || (firstchar[5] != ' ' && firstchar[5] != '\t'))
 191                         &&
 192                         (strncmp(firstchar, "bind", 4) || (firstchar[4] != ' ' && firstchar[4] != '\t'))
 193                         &&
 194                         (strncmp(firstchar, "in_bind", 7) || (firstchar[7] != ' ' && firstchar[7] != '\t'))
 195                 )
 196                 {
 197                         Cmd_PreprocessString( line, preprocessed, sizeof(preprocessed), NULL );
 198                         Cmd_ExecuteString (preprocessed, src_command);
 199                 }
 200                 else
 201                 {
 202                         Cmd_ExecuteString (line, src_command);
 203                 }
 204
 205                 if (cmd_wait)
 206                 {       // skip out while text still remains in buffer, leaving it
 207                         // for next frame
 208                         cmd_wait = false;
 209                         break;
 210                 }
 211         }
 212 }
 213
 214 /*
 215 ==============================================================================
 216
 217                                                 SCRIPT COMMANDS
 218
 219 ==============================================================================
 220 */
 221
 222 /*
 223 ===============
 224 Cmd_StuffCmds_f
 225
 226 Adds command line parameters as script statements
 227 Commands lead with a +, and continue until a - or another +
 228 quake +prog jctest.qp +cmd amlev1
 229 quake -nosound +cmd amlev1
 230 ===============
 231 */
 232 qboolean host_stuffcmdsrun = false;
 233 void Cmd_StuffCmds_f (void)
 234 {
 235         int             i, j, l;
 236         // this is for all commandline options combined (and is bounds checked)
 237         char    build[MAX_INPUTLINE];
 238
 239         if (Cmd_Argc () != 1)
 240         {
 241                 Con_Print("stuffcmds : execute command line parameters\n");
 242                 return;
 243         }
 244
 245         // no reason to run the commandline arguments twice
 246         if (host_stuffcmdsrun)
 247                 return;
 248
 249         host_stuffcmdsrun = true;
 250         build[0] = 0;
 251         l = 0;
 252         for (i = 0;i < com_argc;i++)
 253         {
 254                 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)
 255                 {
 256                         j = 1;
 257                         while (com_argv[i][j])
 258                                 build[l++] = com_argv[i][j++];
 259                         i++;
 260                         for (;i < com_argc;i++)
 261                         {
 262                                 if (!com_argv[i])
 263                                         continue;
 264                                 if ((com_argv[i][0] == '+' || com_argv[i][0] == '-') && (com_argv[i][1] < '0' || com_argv[i][1] > '9'))
 265                                         break;
 266                                 if (l + strlen(com_argv[i]) + 4 > sizeof(build) - 1)
 267                                         break;
 268                                 build[l++] = ' ';
 269                                 if (strchr(com_argv[i], ' '))
 270                                         build[l++] = '\"';
 271                                 for (j = 0;com_argv[i][j];j++)
 272                                         build[l++] = com_argv[i][j];
 273                                 if (strchr(com_argv[i], ' '))
 274                                         build[l++] = '\"';
 275                         }
 276                         build[l++] = '\n';
 277                         i--;
 278                 }
 279         }
 280         // now terminate the combined string and prepend it to the command buffer
 281         // we already reserved space for the terminator
 282         build[l++] = 0;
 283         Cbuf_InsertText (build);
 284 }
 285
 286
 287 /*
 288 ===============
 289 Cmd_Exec_f
 290 ===============
 291 */
 292 static void Cmd_Exec_f (void)
 293 {
 294         char *f;
 295
 296         if (Cmd_Argc () != 2)
 297         {
 298                 Con_Print("exec <filename> : execute a script file\n");
 299                 return;
 300         }
 301
 302         f = (char *)FS_LoadFile (Cmd_Argv(1), tempmempool, false, NULL);
 303         if (!f)
 304         {
 305                 Con_Printf("couldn't exec %s\n",Cmd_Argv(1));
 306                 return;
 307         }
 308         Con_DPrintf("execing %s\n",Cmd_Argv(1));
 309
 310         // if executing default.cfg for the first time, lock the cvar defaults
 311         // it may seem backwards to insert this text BEFORE the default.cfg
 312         // but Cbuf_InsertText inserts before, so this actually ends up after it.
 313         if (!strcmp(Cmd_Argv(1), "default.cfg"))
 314                 Cbuf_InsertText("\ncvar_lockdefaults\n");
 315
 316         // insert newline after the text to make sure the last line is terminated (some text editors omit the trailing newline)
 317         // (note: insertion order here is backwards from execution order, so this adds it after the text, by calling it before...)
 318         Cbuf_InsertText ("\n");
 319         Cbuf_InsertText (f);
 320         Mem_Free(f);
 321 }
 322
 323
 324 /*
 325 ===============
 326 Cmd_Echo_f
 327
 328 Just prints the rest of the line to the console
 329 ===============
 330 */
 331 static void Cmd_Echo_f (void)
 332 {
 333         int             i;
 334
 335         for (i=1 ; i<Cmd_Argc() ; i++)
 336                 Con_Printf("%s ",Cmd_Argv(i));
 337         Con_Print("\n");
 338 }
 339
 340 // DRESK - 5/14/06
 341 // Support Doom3-style Toggle Console Command
 342 /*
 343 ===============
 344 Cmd_Toggle_f
 345
 346 Toggles a specified console variable amongst the values specified (default is 0 and 1)
 347 ===============
 348 */
 349 static void Cmd_Toggle_f(void)
 350 {
 351         // Acquire Number of Arguments
 352         int nNumArgs = Cmd_Argc();
 353
 354         if(nNumArgs == 1)
 355                 // No Arguments Specified; Print Usage
 356                 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");
 357         else
 358         { // Correct Arguments Specified
 359                 // Acquire Potential CVar
 360                 cvar_t* cvCVar = Cvar_FindVar( Cmd_Argv(1) );
 361
 362                 if(cvCVar != NULL)
 363                 { // Valid CVar
 364                         if(nNumArgs == 2)
 365                         { // Default Usage
 366                                 if(cvCVar->integer)
 367                                         Cvar_SetValueQuick(cvCVar, 0);
 368                                 else
 369                                         Cvar_SetValueQuick(cvCVar, 1);
 370                         }
 371                         else
 372                         if(nNumArgs == 3)
 373                         { // 0 and Specified Usage
 374                                 if(cvCVar->integer == atoi(Cmd_Argv(2) ) )
 375                                         // CVar is Specified Value; // Reset to 0
 376                                         Cvar_SetValueQuick(cvCVar, 0);
 377                                 else
 378                                 if(cvCVar->integer == 0)
 379                                         // CVar is 0; Specify Value
 380                                         Cvar_SetQuick(cvCVar, Cmd_Argv(2) );
 381                                 else
 382                                         // CVar does not match; Reset to 0
 383                                         Cvar_SetValueQuick(cvCVar, 0);
 384                         }
 385                         else
 386                         { // Variable Values Specified
 387                                 int nCnt;
 388                                 int bFound = 0;
 389
 390                                 for(nCnt = 2; nCnt < nNumArgs; nCnt++)
 391                                 { // Cycle through Values
 392                                         if( strcmp(cvCVar->string, Cmd_Argv(nCnt) ) == 0)
 393                                         { // Current Value Located; Increment to Next
 394                                                 if( (nCnt + 1) == nNumArgs)
 395                                                         // Max Value Reached; Reset
 396                                                         Cvar_SetQuick(cvCVar, Cmd_Argv(2) );
 397                                                 else
 398                                                         // Next Value
 399                                                         Cvar_SetQuick(cvCVar, Cmd_Argv(nCnt + 1) );
 400
 401                                                 // End Loop
 402                                                 nCnt = nNumArgs;
 403                                                 // Assign Found
 404                                                 bFound = 1;
 405                                         }
 406                                 }
 407                                 if(!bFound)
 408                                         // Value not Found; Reset to Original
 409                                         Cvar_SetQuick(cvCVar, Cmd_Argv(2) );
 410                         }
 411
 412                 }
 413                 else
 414                 { // Invalid CVar
 415                         Con_Printf("ERROR : CVar '%s' not found\n", Cmd_Argv(2) );
 416                 }
 417         }
 418 }
 419
 420 /*
 421 ===============
 422 Cmd_Alias_f
 423
 424 Creates a new command that executes a command string (possibly ; seperated)
 425 ===============
 426 */
 427 static void Cmd_Alias_f (void)
 428 {
 429         cmdalias_t      *a;
 430         char            cmd[MAX_INPUTLINE];
 431         int                     i, c;
 432         const char              *s;
 433         size_t          alloclen;
 434
 435         if (Cmd_Argc() == 1)
 436         {
 437                 Con_Print("Current alias commands:\n");
 438                 for (a = cmd_alias ; a ; a=a->next)
 439                         Con_Printf("%s : %s\n", a->name, a->value);
 440                 return;
 441         }
 442
 443         s = Cmd_Argv(1);
 444         if (strlen(s) >= MAX_ALIAS_NAME)
 445         {
 446                 Con_Print("Alias name is too long\n");
 447                 return;
 448         }
 449
 450         // if the alias already exists, reuse it
 451         for (a = cmd_alias ; a ; a=a->next)
 452         {
 453                 if (!strcmp(s, a->name))
 454                 {
 455                         Z_Free (a->value);
 456                         break;
 457                 }
 458         }
 459
 460         if (!a)
 461         {
 462                 cmdalias_t *prev, *current;
 463
 464                 a = (cmdalias_t *)Z_Malloc (sizeof(cmdalias_t));
 465                 strlcpy (a->name, s, sizeof (a->name));
 466                 // insert it at the right alphanumeric position
 467                 for( prev = NULL, current = cmd_alias ; current && strcmp( current->name, a->name ) < 0 ; prev = current, current = current->next )
 468                         ;
 469                 if( prev ) {
 470                         prev->next = a;
 471                 } else {
 472                         cmd_alias = a;
 473                 }
 474                 a->next = current;
 475         }
 476
 477
 478 // copy the rest of the command line
 479         cmd[0] = 0;             // start out with a null string
 480         c = Cmd_Argc();
 481         for (i=2 ; i< c ; i++)
 482         {
 483                 strlcat (cmd, Cmd_Argv(i), sizeof (cmd));
 484                 if (i != c)
 485                         strlcat (cmd, " ", sizeof (cmd));
 486         }
 487         strlcat (cmd, "\n", sizeof (cmd));
 488
 489         alloclen = strlen (cmd) + 1;
 490         a->value = (char *)Z_Malloc (alloclen);
 491         memcpy (a->value, cmd, alloclen);
 492 }
 493
 494 /*
 495 =============================================================================
 496
 497                                         COMMAND EXECUTION
 498
 499 =============================================================================
 500 */
 501
 502 typedef struct cmd_function_s
 503 {
 504         struct cmd_function_s *next;
 505         const char *name;
 506         const char *description;
 507         xcommand_t consolefunction;
 508         xcommand_t clientfunction;
 509         qboolean csqcfunc;
 510 } cmd_function_t;
 511
 512 static int cmd_argc;
 513 static const char *cmd_argv[MAX_ARGS];
 514 static const char *cmd_null_string = "";
 515 static const char *cmd_args;
 516 cmd_source_t cmd_source;
 517
 518
 519 static cmd_function_t *cmd_functions;           // possible commands to execute
 520
 521 static const char *Cmd_GetDirectCvarValue(const char *varname, cmdalias_t *alias)
 522 {
 523         cvar_t *cvar;
 524         long argno;
 525         char *endptr;
 526
 527         if(!varname || !*varname)
 528                 return NULL;
 529
 530         if(alias)
 531         {
 532                 if(!strcmp(varname, "*"))
 533                         return Cmd_Args();
 534                 else
 535                 {
 536                         argno = strtol(varname, &endptr, 10);
 537                         if(*endptr == 0)
 538                         {
 539                                 // whole string is a number
 540                                 // NOTE: we already made sure we don't have an empty cvar name!
 541                                 if(argno >= 0 && argno < Cmd_Argc())
 542                                         return Cmd_Argv(argno);
 543                         }
 544                 }
 545         }
 546
 547         if((cvar = Cvar_FindVar(varname)) && !(cvar->flags & CVAR_PRIVATE))
 548                 return cvar->string;
 549
 550         return NULL;
 551 }
 552
 553 static const char *Cmd_GetCvarValue(const char *var, size_t varlen, cmdalias_t *alias)
 554 {
 555         static char varname[MAX_INPUTLINE];
 556         static char varval[MAX_INPUTLINE];
 557         char *p;
 558         const char *varstr;
 559         char *varfunc;
 560
 561         if(varlen >= MAX_INPUTLINE)
 562                 varlen = MAX_INPUTLINE - 1;
 563         memcpy(varname, var, varlen);
 564         varname[varlen] = 0;
 565         varfunc = strchr(varname, ' ');
 566
 567         if(varfunc)
 568         {
 569                 *varfunc = 0;
 570                 ++varfunc;
 571         }
 572
 573         if(*var == 0)
 574         {
 575                 // empty cvar name?
 576                 return NULL;
 577         }
 578
 579         varstr = NULL;
 580
 581         // Exception: $* doesn't use the quoted form by default
 582         if(!strcmp(varname, "*"))
 583                 varfunc = "asis";
 584
 585         if(varname[0] == '$')
 586                 varstr = Cmd_GetDirectCvarValue(Cmd_GetDirectCvarValue(varname + 1, alias), alias);
 587         else
 588                 varstr = Cmd_GetDirectCvarValue(varname, alias);
 589
 590         if(!varstr)
 591         {
 592                 if(alias)
 593                         Con_Printf("Warning: Could not expand $%s in alias %s\n", varname, alias->name);
 594                 else
 595                         Con_Printf("Warning: Could not expand $%s\n", varname);
 596                 return NULL;
 597         }
 598
 599         if(!varfunc || !strcmp(varfunc, "q")) // note: quoted form is default, use "asis" to override!
 600         {
 601                 // quote it so it can be used inside double quotes
 602                 // we just need to replace " by \"
 603                 p = varval;
 604                 while(*varstr)
 605                 {
 606                         if(*varstr == '"')
 607                         {
 608                                 if(p - varval >= (ssize_t)(sizeof(varval) - 2))
 609                                         break;
 610                                 *p++ = '\\';
 611                                 *p++ = '"';
 612                         }
 613                         else if(*varstr == '\\')
 614                         {
 615                                 if(p - varval >= (ssize_t)(sizeof(varval) - 2))
 616                                         break;
 617                                 *p++ = '\\';
 618                                 *p++ = '\\';
 619                         }
 620                         else
 621                         {
 622                                 if(p - varval >= (ssize_t)(sizeof(varval) - 1))
 623                                         break;
 624                                 *p++ = *varstr;
 625                         }
 626                         ++varstr;
 627                 }
 628                 *p++ = 0;
 629                 //Con_Printf("quoted form: %s\n", varval);
 630                 return varval;
 631         }
 632         else if(!strcmp(varfunc, "asis"))
 633         {
 634                 return varstr;
 635         }
 636         else
 637                 Con_Printf("Unknown variable function %s\n", varfunc);
 638
 639         return varstr;
 640 }
 641
 642 /*
 643 Cmd_PreprocessString
 644
 645 Preprocesses strings and replaces $*, $param#, $cvar accordingly
 646 */
 647 static void Cmd_PreprocessString( const char *intext, char *outtext, unsigned maxoutlen, cmdalias_t *alias ) {
 648         const char *in;
 649         size_t eat, varlen;
 650         unsigned outlen;
 651         const char *val;
 652
 653         // don't crash if there's no room in the outtext buffer
 654         if( maxoutlen == 0 ) {
 655                 return;
 656         }
 657         maxoutlen--; // because of \0
 658
 659         in = intext;
 660         outlen = 0;
 661
 662         while( *in && outlen < maxoutlen ) {
 663                 if( *in == '$' ) {
 664                         // this is some kind of expansion, see what comes after the $
 665                         in++;
 666
 667                         // The console does the following preprocessing:
 668                         //
 669                         // - $$ is transformed to a single dollar sign.
 670                         // - $var or ${var} are expanded to the contents of the named cvar,
 671                         //   with quotation marks and backslashes quoted so it can safely
 672                         //   be used inside quotation marks (and it should always be used
 673                         //   that way)
 674                         // - ${var asis} inserts the cvar value as is, without doing this
 675                         //   quoting
 676                         // - prefix the cvar name with a dollar sign to do indirection;
 677                         //   for example, if $x has the value timelimit, ${$x} will return
 678                         //   the value of $timelimit
 679                         // - when expanding an alias, the special variable name $* refers
 680                         //   to all alias parameters, and a number refers to that numbered
 681                         //   alias parameter, where the name of the alias is $0, the first
 682                         //   parameter is $1 and so on; as a special case, $* inserts all
 683                         //   parameters, without extra quoting, so one can use $* to just
 684                         //   pass all parameters around
 685                         //
 686                         // Note: when expanding an alias, cvar expansion is done in the SAME step
 687                         // as alias expansion so that alias parameters or cvar values containing
 688                         // dollar signs have no unwanted bad side effects. However, this needs to
 689                         // be accounted for when writing complex aliases. For example,
 690                         //   alias foo "set x NEW; echo $x"
 691                         // actually expands to
 692                         //   "set x NEW; echo OLD"
 693                         // and will print OLD! To work around this, use a second alias:
 694                         //   alias foo "set x NEW; foo2"
 695                         //   alias foo2 "echo $x"
 696                         //
 697                         // Also note: lines starting with alias are exempt from cvar expansion.
 698                         // If you want cvar expansion, write "alias" instead:
 699                         //
 700                         //   set x 1
 701                         //   alias foo "echo $x"
 702                         //   "alias" bar "echo $x"
 703                         //   set x 2
 704                         //
 705                         // foo will print 2, because the variable $x will be expanded when the alias
 706                         // gets expanded. bar will print 1, because the variable $x was expanded
 707                         // at definition time. foo can be equivalently defined as
 708                         //
 709                         //   "alias" foo "echo $$x"
 710                         //
 711                         // because at definition time, $$ will get replaced to a single $.
 712
 713                         if( *in == '$' ) {
 714                                 val = "$";
 715                                 eat = 1;
 716                         } else if(*in == '{') {
 717                                 varlen = strcspn(in + 1, "}");
 718                                 if(in[varlen + 1] == '}')
 719                                 {
 720                                         val = Cmd_GetCvarValue(in + 1, varlen, alias);
 721                                         eat = varlen + 2;
 722                                 }
 723                                 else
 724                                 {
 725                                         // ran out of data?
 726                                         val = NULL;
 727                                         eat = varlen + 1;
 728                                 }
 729                         } else {
 730                                 varlen = strspn(in, "*0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_");
 731                                 val = Cmd_GetCvarValue(in, varlen, alias);
 732                                 eat = varlen;
 733                         }
 734                         if(val)
 735                         {
 736                                 // insert the cvar value
 737                                 while(*val && outlen < maxoutlen)
 738                                         outtext[outlen++] = *val++;
 739                                 in += eat;
 740                         }
 741                         else
 742                         {
 743                                 // copy the unexpanded text
 744                                 outtext[outlen++] = '$';
 745                                 while(eat && outlen < maxoutlen)
 746                                 {
 747                                         outtext[outlen++] = *in++;
 748                                         --eat;
 749                                 }
 750                         }
 751                 } else {
 752                         outtext[outlen++] = *in++;
 753                 }
 754         }
 755         outtext[outlen] = 0;
 756 }
 757
 758 /*
 759 ============
 760 Cmd_ExecuteAlias
 761
 762 Called for aliases and fills in the alias into the cbuffer
 763 ============
 764 */
 765 static void Cmd_ExecuteAlias (cmdalias_t *alias)
 766 {
 767         static char buffer[ MAX_INPUTLINE + 2 ];
 768         static char buffer2[ MAX_INPUTLINE * 2 + 2 ];
 769         char *q;
 770         const char *p;
 771         Cmd_PreprocessString( alias->value, buffer, sizeof(buffer) - 2, alias );
 772         // insert at start of command buffer, so that aliases execute in order
 773         // (fixes bug introduced by Black on 20050705)
 774
 775         // Note: Cbuf_PreprocessString will be called on this string AGAIN! So we
 776         // have to make sure that no second variable expansion takes place, otherwise
 777         // alias parameters containing dollar signs can have bad effects.
 778         for(p = buffer, q = buffer2; *p; )
 779         {
 780                 if(*p == '$')
 781                         *q++ = '$';
 782                 *q++ = *p++;
 783         }
 784         *q++ = 0;
 785
 786         Cbuf_InsertText( buffer2 );
 787 }
 788
 789 /*
 790 ========
 791 Cmd_List
 792
 793         CmdList Added by EvilTypeGuy eviltypeguy@qeradiant.com
 794         Thanks to Matthias "Maddes" Buecher, http://www.inside3d.com/qip/
 795
 796 ========
 797 */
 798 static void Cmd_List_f (void)
 799 {
 800         cmd_function_t *cmd;
 801         const char *partial;
 802         int len, count;
 803
 804         if (Cmd_Argc() > 1)
 805         {
 806                 partial = Cmd_Argv (1);
 807                 len = (int)strlen(partial);
 808         }
 809         else
 810         {
 811                 partial = NULL;
 812                 len = 0;
 813         }
 814
 815         count = 0;
 816         for (cmd = cmd_functions; cmd; cmd = cmd->next)
 817         {
 818                 if (partial && strncmp(partial, cmd->name, len))
 819                         continue;
 820                 Con_Printf("%s : %s\n", cmd->name, cmd->description);
 821                 count++;
 822         }
 823
 824         if (partial)
 825                 Con_Printf("%i Command%s beginning with \"%s\"\n\n", count, (count > 1) ? "s" : "", partial);
 826         else
 827                 Con_Printf("%i Command%s\n\n", count, (count > 1) ? "s" : "");
 828 }
 829
 830 /*
 831 ============
 832 Cmd_Init
 833 ============
 834 */
 835 void Cmd_Init (void)
 836 {
 837         cmd_mempool = Mem_AllocPool("commands", 0, NULL);
 838         // space for commands and script files
 839         cmd_text.data = cmd_text_buf;
 840         cmd_text.maxsize = sizeof(cmd_text_buf);
 841         cmd_text.cursize = 0;
 842 }
 843
 844 void Cmd_Init_Commands (void)
 845 {
 846 //
 847 // register our commands
 848 //
 849         Cmd_AddCommand ("stuffcmds",Cmd_StuffCmds_f, "execute commandline parameters (must be present in quake.rc script)");
 850         Cmd_AddCommand ("exec",Cmd_Exec_f, "execute a script file");
 851         Cmd_AddCommand ("echo",Cmd_Echo_f, "print a message to the console (useful in scripts)");
 852         Cmd_AddCommand ("alias",Cmd_Alias_f, "create a script function (parameters are passed in as $1 through $9, and $* for all parameters)");
 853         Cmd_AddCommand ("cmd", Cmd_ForwardToServer, "send a console commandline to the server (used by some mods)");
 854         Cmd_AddCommand ("wait", Cmd_Wait_f, "make script execution wait for next rendered frame");
 855         Cmd_AddCommand ("set", Cvar_Set_f, "create or change the value of a console variable");
 856         Cmd_AddCommand ("seta", Cvar_SetA_f, "create or change the value of a console variable that will be saved to config.cfg");
 857
 858         // 2000-01-09 CmdList, CvarList commands By Matthias "Maddes" Buecher
 859         // Added/Modified by EvilTypeGuy eviltypeguy@qeradiant.com
 860         Cmd_AddCommand ("cmdlist", Cmd_List_f, "lists all console commands beginning with the specified prefix");
 861         Cmd_AddCommand ("cvarlist", Cvar_List_f, "lists all console variables beginning with the specified prefix");
 862
 863         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");
 864         Cmd_AddCommand ("cvar_resettodefaults_all", Cvar_ResetToDefaults_All_f, "sets all cvars to their locked default values");
 865         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)");
 866         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)");
 867
 868         // DRESK - 5/14/06
 869         // Support Doom3-style Toggle Command
 870         Cmd_AddCommand( "toggle", Cmd_Toggle_f, "toggles a console variable's values (use for more info)");
 871 }
 872
 873 /*
 874 ============
 875 Cmd_Shutdown
 876 ============
 877 */
 878 void Cmd_Shutdown(void)
 879 {
 880         Mem_FreePool(&cmd_mempool);
 881 }
 882
 883 /*
 884 ============
 885 Cmd_Argc
 886 ============
 887 */
 888 int             Cmd_Argc (void)
 889 {
 890         return cmd_argc;
 891 }
 892
 893 /*
 894 ============
 895 Cmd_Argv
 896 ============
 897 */
 898 const char *Cmd_Argv (int arg)
 899 {
 900         if (arg >= cmd_argc )
 901                 return cmd_null_string;
 902         return cmd_argv[arg];
 903 }
 904
 905 /*
 906 ============
 907 Cmd_Args
 908 ============
 909 */
 910 const char *Cmd_Args (void)
 911 {
 912         return cmd_args;
 913 }
 914
 915
 916 /*
 917 ============
 918 Cmd_TokenizeString
 919
 920 Parses the given string into command line tokens.
 921 ============
 922 */
 923 // AK: This function should only be called from ExcuteString because the current design is a bit of an hack
 924 static void Cmd_TokenizeString (const char *text)
 925 {
 926         int l;
 927
 928         cmd_argc = 0;
 929         cmd_args = NULL;
 930
 931         while (1)
 932         {
 933                 // skip whitespace up to a /n
 934                 while (*text && *text <= ' ' && *text != '\r' && *text != '\n')
 935                         text++;
 936
 937                 // line endings:
 938                 // UNIX: \n
 939                 // Mac: \r
 940                 // Windows: \r\n
 941                 if (*text == '\n' || *text == '\r')
 942                 {
 943                         // a newline separates commands in the buffer
 944                         if (*text == '\r' && text[1] == '\n')
 945                                 text++;
 946                         text++;
 947                         break;
 948                 }
 949
 950                 if (!*text)
 951                         return;
 952
 953                 if (cmd_argc == 1)
 954                         cmd_args = text;
 955
 956                 if (!COM_ParseToken_Console(&text))
 957                         return;
 958
 959                 if (cmd_argc < MAX_ARGS)
 960                 {
 961                         l = (int)strlen(com_token) + 1;
 962                         if (cmd_tokenizebufferpos + l > CMD_TOKENIZELENGTH)
 963                         {
 964                                 Con_Printf("Cmd_TokenizeString: ran out of %i character buffer space for command arguements\n", CMD_TOKENIZELENGTH);
 965                                 break;
 966                         }
 967                         memcpy (cmd_tokenizebuffer + cmd_tokenizebufferpos, com_token, l);
 968                         cmd_argv[cmd_argc] = cmd_tokenizebuffer + cmd_tokenizebufferpos;
 969                         cmd_tokenizebufferpos += l;
 970                         cmd_argc++;
 971                 }
 972         }
 973 }
 974
 975
 976 /*
 977 ============
 978 Cmd_AddCommand
 979 ============
 980 */
 981 void Cmd_AddCommand_WithClientCommand (const char *cmd_name, xcommand_t consolefunction, xcommand_t clientfunction, const char *description)
 982 {
 983         cmd_function_t *cmd;
 984         cmd_function_t *prev, *current;
 985
 986 // fail if the command is a variable name
 987         if (Cvar_FindVar( cmd_name ))
 988         {
 989                 Con_Printf("Cmd_AddCommand: %s already defined as a var\n", cmd_name);
 990                 return;
 991         }
 992
 993 // fail if the command already exists
 994         for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
 995         {
 996                 if (!strcmp (cmd_name, cmd->name))
 997                 {
 998                         if (consolefunction || clientfunction)
 999                         {
1000                                 Con_Printf("Cmd_AddCommand: %s already defined\n", cmd_name);
1001                                 return;
1002                         }
1003                         else    //[515]: csqc
1004                         {
1005                                 cmd->csqcfunc = true;
1006                                 return;
1007                         }
1008                 }
1009         }
1010
1011         cmd = (cmd_function_t *)Mem_Alloc(cmd_mempool, sizeof(cmd_function_t));
1012         cmd->name = cmd_name;
1013         cmd->consolefunction = consolefunction;
1014         cmd->clientfunction = clientfunction;
1015         cmd->description = description;
1016         if(!consolefunction && !clientfunction)                 //[515]: csqc
1017                 cmd->csqcfunc = true;
1018         cmd->next = cmd_functions;
1019
1020 // insert it at the right alphanumeric position
1021         for( prev = NULL, current = cmd_functions ; current && strcmp( current->name, cmd->name ) < 0 ; prev = current, current = current->next )
1022                 ;
1023         if( prev ) {
1024                 prev->next = cmd;
1025         } else {
1026                 cmd_functions = cmd;
1027         }
1028         cmd->next = current;
1029 }
1030
1031 void Cmd_AddCommand (const char *cmd_name, xcommand_t function, const char *description)
1032 {
1033         Cmd_AddCommand_WithClientCommand (cmd_name, function, NULL, description);
1034 }
1035
1036 /*
1037 ============
1038 Cmd_Exists
1039 ============
1040 */
1041 qboolean Cmd_Exists (const char *cmd_name)
1042 {
1043         cmd_function_t  *cmd;
1044
1045         for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
1046                 if (!strcmp (cmd_name,cmd->name))
1047                         return true;
1048
1049         return false;
1050 }
1051
1052
1053 /*
1054 ============
1055 Cmd_CompleteCommand
1056 ============
1057 */
1058 const char *Cmd_CompleteCommand (const char *partial)
1059 {
1060         cmd_function_t *cmd;
1061         size_t len;
1062
1063         len = strlen(partial);
1064
1065         if (!len)
1066                 return NULL;
1067
1068 // check functions
1069         for (cmd = cmd_functions; cmd; cmd = cmd->next)
1070                 if (!strncasecmp(partial, cmd->name, len))
1071                         return cmd->name;
1072
1073         return NULL;
1074 }
1075
1076 /*
1077         Cmd_CompleteCountPossible
1078
1079         New function for tab-completion system
1080         Added by EvilTypeGuy
1081         Thanks to Fett erich@heintz.com
1082         Thanks to taniwha
1083
1084 */
1085 int Cmd_CompleteCountPossible (const char *partial)
1086 {
1087         cmd_function_t *cmd;
1088         size_t len;
1089         int h;
1090
1091         h = 0;
1092         len = strlen(partial);
1093
1094         if (!len)
1095                 return 0;
1096
1097         // Loop through the command list and count all partial matches
1098         for (cmd = cmd_functions; cmd; cmd = cmd->next)
1099                 if (!strncasecmp(partial, cmd->name, len))
1100                         h++;
1101
1102         return h;
1103 }
1104
1105 /*
1106         Cmd_CompleteBuildList
1107
1108         New function for tab-completion system
1109         Added by EvilTypeGuy
1110         Thanks to Fett erich@heintz.com
1111         Thanks to taniwha
1112
1113 */
1114 const char **Cmd_CompleteBuildList (const char *partial)
1115 {
1116         cmd_function_t *cmd;
1117         size_t len = 0;
1118         size_t bpos = 0;
1119         size_t sizeofbuf = (Cmd_CompleteCountPossible (partial) + 1) * sizeof (const char *);
1120         const char **buf;
1121
1122         len = strlen(partial);
1123         buf = (const char **)Mem_Alloc(tempmempool, sizeofbuf + sizeof (const char *));
1124         // Loop through the alias list and print all matches
1125         for (cmd = cmd_functions; cmd; cmd = cmd->next)
1126                 if (!strncasecmp(partial, cmd->name, len))
1127                         buf[bpos++] = cmd->name;
1128
1129         buf[bpos] = NULL;
1130         return buf;
1131 }
1132
1133 // written by LordHavoc
1134 void Cmd_CompleteCommandPrint (const char *partial)
1135 {
1136         cmd_function_t *cmd;
1137         size_t len = strlen(partial);
1138         // Loop through the command list and print all matches
1139         for (cmd = cmd_functions; cmd; cmd = cmd->next)
1140                 if (!strncasecmp(partial, cmd->name, len))
1141                         Con_Printf("%s : %s\n", cmd->name, cmd->description);
1142 }
1143
1144 /*
1145         Cmd_CompleteAlias
1146
1147         New function for tab-completion system
1148         Added by EvilTypeGuy
1149         Thanks to Fett erich@heintz.com
1150         Thanks to taniwha
1151
1152 */
1153 const char *Cmd_CompleteAlias (const char *partial)
1154 {
1155         cmdalias_t *alias;
1156         size_t len;
1157
1158         len = strlen(partial);
1159
1160         if (!len)
1161                 return NULL;
1162
1163         // Check functions
1164         for (alias = cmd_alias; alias; alias = alias->next)
1165                 if (!strncasecmp(partial, alias->name, len))
1166                         return alias->name;
1167
1168         return NULL;
1169 }
1170
1171 // written by LordHavoc
1172 void Cmd_CompleteAliasPrint (const char *partial)
1173 {
1174         cmdalias_t *alias;
1175         size_t len = strlen(partial);
1176         // Loop through the alias list and print all matches
1177         for (alias = cmd_alias; alias; alias = alias->next)
1178                 if (!strncasecmp(partial, alias->name, len))
1179                         Con_Printf("%s : %s\n", alias->name, alias->value);
1180 }
1181
1182
1183 /*
1184         Cmd_CompleteAliasCountPossible
1185
1186         New function for tab-completion system
1187         Added by EvilTypeGuy
1188         Thanks to Fett erich@heintz.com
1189         Thanks to taniwha
1190
1191 */
1192 int Cmd_CompleteAliasCountPossible (const char *partial)
1193 {
1194         cmdalias_t      *alias;
1195         size_t          len;
1196         int                     h;
1197
1198         h = 0;
1199
1200         len = strlen(partial);
1201
1202         if (!len)
1203                 return 0;
1204
1205         // Loop through the command list and count all partial matches
1206         for (alias = cmd_alias; alias; alias = alias->next)
1207                 if (!strncasecmp(partial, alias->name, len))
1208                         h++;
1209
1210         return h;
1211 }
1212
1213 /*
1214         Cmd_CompleteAliasBuildList
1215
1216         New function for tab-completion system
1217         Added by EvilTypeGuy
1218         Thanks to Fett erich@heintz.com
1219         Thanks to taniwha
1220
1221 */
1222 const char **Cmd_CompleteAliasBuildList (const char *partial)
1223 {
1224         cmdalias_t *alias;
1225         size_t len = 0;
1226         size_t bpos = 0;
1227         size_t sizeofbuf = (Cmd_CompleteAliasCountPossible (partial) + 1) * sizeof (const char *);
1228         const char **buf;
1229
1230         len = strlen(partial);
1231         buf = (const char **)Mem_Alloc(tempmempool, sizeofbuf + sizeof (const char *));
1232         // Loop through the alias list and print all matches
1233         for (alias = cmd_alias; alias; alias = alias->next)
1234                 if (!strncasecmp(partial, alias->name, len))
1235                         buf[bpos++] = alias->name;
1236
1237         buf[bpos] = NULL;
1238         return buf;
1239 }
1240
1241 void Cmd_ClearCsqcFuncs (void)
1242 {
1243         cmd_function_t *cmd;
1244         for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
1245                 cmd->csqcfunc = false;
1246 }
1247
1248 qboolean CL_VM_ConsoleCommand (const char *cmd);
1249 /*
1250 ============
1251 Cmd_ExecuteString
1252
1253 A complete command line has been parsed, so try to execute it
1254 FIXME: lookupnoadd the token to speed search?
1255 ============
1256 */
1257 void Cmd_ExecuteString (const char *text, cmd_source_t src)
1258 {
1259         int oldpos;
1260         cmd_function_t *cmd;
1261         cmdalias_t *a;
1262
1263         oldpos = cmd_tokenizebufferpos;
1264         cmd_source = src;
1265
1266         Cmd_TokenizeString (text);
1267
1268 // execute the command line
1269         if (!Cmd_Argc())
1270         {
1271                 cmd_tokenizebufferpos = oldpos;
1272                 return;         // no tokens
1273         }
1274
1275 // check functions
1276         for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
1277         {
1278                 if (!strcasecmp (cmd_argv[0],cmd->name))
1279                 {
1280                         if (cmd->csqcfunc && CL_VM_ConsoleCommand (text))       //[515]: csqc
1281                                 return;
1282                         switch (src)
1283                         {
1284                         case src_command:
1285                                 if (cmd->consolefunction)
1286                                         cmd->consolefunction ();
1287                                 else if (cmd->clientfunction)
1288                                 {
1289                                         if (cls.state == ca_connected)
1290                                         {
1291                                                 // forward remote commands to the server for execution
1292                                                 Cmd_ForwardToServer();
1293                                         }
1294                                         else
1295                                                 Con_Printf("Can not send command \"%s\", not connected.\n", Cmd_Argv(0));
1296                                 }
1297                                 else
1298                                         Con_Printf("Command \"%s\" can not be executed\n", Cmd_Argv(0));
1299                                 cmd_tokenizebufferpos = oldpos;
1300                                 return;
1301                         case src_client:
1302                                 if (cmd->clientfunction)
1303                                 {
1304                                         cmd->clientfunction ();
1305                                         cmd_tokenizebufferpos = oldpos;
1306                                         return;
1307                                 }
1308                                 break;
1309                         }
1310                         break;
1311                 }
1312         }
1313
1314         // if it's a client command and no command was found, say so.
1315         if (cmd_source == src_client)
1316         {
1317                 Con_Printf("player \"%s\" tried to %s\n", host_client->name, text);
1318                 return;
1319         }
1320
1321 // check alias
1322         for (a=cmd_alias ; a ; a=a->next)
1323         {
1324                 if (!strcasecmp (cmd_argv[0], a->name))
1325                 {
1326                         Cmd_ExecuteAlias(a);
1327                         cmd_tokenizebufferpos = oldpos;
1328                         return;
1329                 }
1330         }
1331
1332 // check cvars
1333         if (!Cvar_Command () && host_framecount > 0)
1334                 Con_Printf("Unknown command \"%s\"\n", Cmd_Argv(0));
1335
1336         cmd_tokenizebufferpos = oldpos;
1337 }
1338
1339
1340 /*
1341 ===================
1342 Cmd_ForwardStringToServer
1343
1344 Sends an entire command string over to the server, unprocessed
1345 ===================
1346 */
1347 void Cmd_ForwardStringToServer (const char *s)
1348 {
1349         char temp[128];
1350         if (cls.state != ca_connected)
1351         {
1352                 Con_Printf("Can't \"%s\", not connected\n", s);
1353                 return;
1354         }
1355
1356         if (!cls.netcon)
1357                 return;
1358
1359         // LordHavoc: thanks to Fuh for bringing the pure evil of SZ_Print to my
1360         // attention, it has been eradicated from here, its only (former) use in
1361         // all of darkplaces.
1362         if (cls.protocol == PROTOCOL_QUAKEWORLD)
1363                 MSG_WriteByte(&cls.netcon->message, qw_clc_stringcmd);
1364         else
1365                 MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
1366         if ((!strncmp(s, "say ", 4) || !strncmp(s, "say_team ", 9)) && cl_locs_enable.integer)
1367         {
1368                 // say/say_team commands can replace % character codes with status info
1369                 while (*s)
1370                 {
1371                         if (*s == '%' && s[1])
1372                         {
1373                                 // handle proquake message macros
1374                                 temp[0] = 0;
1375                                 switch (s[1])
1376                                 {
1377                                 case 'l': // current location
1378                                         CL_Locs_FindLocationName(temp, sizeof(temp), cl.movement_origin);
1379                                         break;
1380                                 case 'h': // current health
1381                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_HEALTH]);
1382                                         break;
1383                                 case 'a': // current armor
1384                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_ARMOR]);
1385                                         break;
1386                                 case 'x': // current rockets
1387                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_ROCKETS]);
1388                                         break;
1389                                 case 'c': // current cells
1390                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_CELLS]);
1391                                         break;
1392                                 // silly proquake macros
1393                                 case 'd': // loc at last death
1394                                         CL_Locs_FindLocationName(temp, sizeof(temp), cl.lastdeathorigin);
1395                                         break;
1396                                 case 't': // current time
1397                                         dpsnprintf(temp, sizeof(temp), "%.0f:%.0f", floor(cl.time / 60), cl.time - floor(cl.time / 60) * 60);
1398                                         break;
1399                                 case 'r': // rocket launcher status ("I have RL", "I need rockets", "I need RL")
1400                                         if (!(cl.stats[STAT_ITEMS] & IT_ROCKET_LAUNCHER))
1401                                                 dpsnprintf(temp, sizeof(temp), "I need RL");
1402                                         else if (!cl.stats[STAT_ROCKETS])
1403                                                 dpsnprintf(temp, sizeof(temp), "I need rockets");
1404                                         else
1405                                                 dpsnprintf(temp, sizeof(temp), "I have RL");
1406                                         break;
1407                                 case 'p': // powerup status (outputs "quad" "pent" and "eyes" according to status)
1408                                         if (cl.stats[STAT_ITEMS] & IT_QUAD)
1409                                         {
1410                                                 if (temp[0])
1411                                                         strlcat(temp, " ", sizeof(temp));
1412                                                 strlcat(temp, "quad", sizeof(temp));
1413                                         }
1414                                         if (cl.stats[STAT_ITEMS] & IT_INVULNERABILITY)
1415                                         {
1416                                                 if (temp[0])
1417                                                         strlcat(temp, " ", sizeof(temp));
1418                                                 strlcat(temp, "pent", sizeof(temp));
1419                                         }
1420                                         if (cl.stats[STAT_ITEMS] & IT_INVISIBILITY)
1421                                         {
1422                                                 if (temp[0])
1423                                                         strlcat(temp, " ", sizeof(temp));
1424                                                 strlcat(temp, "eyes", sizeof(temp));
1425                                         }
1426                                         break;
1427                                 case 'w': // weapon status (outputs "SSG:NG:SNG:GL:RL:LG" with the text between : characters omitted if you lack the weapon)
1428                                         if (cl.stats[STAT_ITEMS] & IT_SUPER_SHOTGUN)
1429                                                 strlcat(temp, "SSG", sizeof(temp));
1430                                         strlcat(temp, ":", sizeof(temp));
1431                                         if (cl.stats[STAT_ITEMS] & IT_NAILGUN)
1432                                                 strlcat(temp, "NG", sizeof(temp));
1433                                         strlcat(temp, ":", sizeof(temp));
1434                                         if (cl.stats[STAT_ITEMS] & IT_SUPER_NAILGUN)
1435                                                 strlcat(temp, "SNG", sizeof(temp));
1436                                         strlcat(temp, ":", sizeof(temp));
1437                                         if (cl.stats[STAT_ITEMS] & IT_GRENADE_LAUNCHER)
1438                                                 strlcat(temp, "GL", sizeof(temp));
1439                                         strlcat(temp, ":", sizeof(temp));
1440                                         if (cl.stats[STAT_ITEMS] & IT_ROCKET_LAUNCHER)
1441                                                 strlcat(temp, "RL", sizeof(temp));
1442                                         strlcat(temp, ":", sizeof(temp));
1443                                         if (cl.stats[STAT_ITEMS] & IT_LIGHTNING)
1444                                                 strlcat(temp, "LG", sizeof(temp));
1445                                         break;
1446                                 default:
1447                                         // not a recognized macro, print it as-is...
1448                                         temp[0] = s[0];
1449                                         temp[1] = s[1];
1450                                         temp[2] = 0;
1451                                         break;
1452                                 }
1453                                 // write the resulting text
1454                                 SZ_Write(&cls.netcon->message, (unsigned char *)temp, strlen(temp));
1455                                 s += 2;
1456                                 continue;
1457                         }
1458                         MSG_WriteByte(&cls.netcon->message, *s);
1459                         s++;
1460                 }
1461                 MSG_WriteByte(&cls.netcon->message, 0);
1462         }
1463         else // any other command is passed on as-is
1464                 SZ_Write(&cls.netcon->message, (const unsigned char *)s, (int)strlen(s) + 1);
1465 }
1466
1467 /*
1468 ===================
1469 Cmd_ForwardToServer
1470
1471 Sends the entire command line over to the server
1472 ===================
1473 */
1474 void Cmd_ForwardToServer (void)
1475 {
1476         const char *s;
1477         if (!strcasecmp(Cmd_Argv(0), "cmd"))
1478         {
1479                 // we want to strip off "cmd", so just send the args
1480                 s = Cmd_Argc() > 1 ? Cmd_Args() : "";
1481         }
1482         else
1483         {
1484                 // we need to keep the command name, so send Cmd_Argv(0), a space and then Cmd_Args()
1485                 s = va("%s %s", Cmd_Argv(0), Cmd_Argc() > 1 ? Cmd_Args() : "");
1486         }
1487         // don't send an empty forward message if the user tries "cmd" by itself
1488         if (!s || !*s)
1489                 return;
1490         Cmd_ForwardStringToServer(s);
1491 }
1492
1493
1494 /*
1495 ================
1496 Cmd_CheckParm
1497
1498 Returns the position (1 to argc-1) in the command's argument list
1499 where the given parameter apears, or 0 if not present
1500 ================
1501 */
1502
1503 int Cmd_CheckParm (const char *parm)
1504 {
1505         int i;
1506
1507         if (!parm)
1508         {
1509                 Con_Printf ("Cmd_CheckParm: NULL");
1510                 return 0;
1511         }
1512
1513         for (i = 1; i < Cmd_Argc (); i++)
1514                 if (!strcasecmp (parm, Cmd_Argv (i)))
1515                         return i;
1516
1517         return 0;
1518 }
1519