2 Copyright (C) 1996-1997 Id Software, Inc.
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.
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.
13 See the GNU General Public License for more details.
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.
20 // cvar.c -- dynamic variable tracking
24 const char *cvar_dummy_description = "custom cvar";
25 static const char *cvar_null_string = "";
27 cvar_state_t cvars_all;
28 cvar_state_t cvars_null;
35 cvar_t *Cvar_FindVar(cvar_state_t *cvars, const char *var_name, int neededflags)
40 // use hash lookup to minimize search time
41 hashindex = CRC_Block((const unsigned char *)var_name, strlen(var_name)) % CVAR_HASHSIZE;
42 for (var = cvars->hashtable[hashindex];var;var = var->nextonhashchain)
43 if (!strcmp (var_name, var->name) && (var->flags & neededflags))
49 cvar_t *Cvar_FindVarAfter(cvar_state_t *cvars, const char *prev_var_name, int neededflags)
55 var = Cvar_FindVar(cvars, prev_var_name, neededflags);
63 // search for the next cvar matching the needed flags
66 if (var->flags & neededflags)
73 static cvar_t *Cvar_FindVarLink(cvar_state_t *cvars, const char *var_name, cvar_t **parent, cvar_t ***link, cvar_t **prev_alpha, int neededflags)
78 // use hash lookup to minimize search time
79 hashindex = CRC_Block((const unsigned char *)var_name, strlen(var_name));
80 if(parent) *parent = NULL;
81 if(prev_alpha) *prev_alpha = NULL;
82 if(link) *link = &cvars->hashtable[hashindex];
83 for (var = cvars->hashtable[hashindex];var;var = var->nextonhashchain)
85 if (!strcmp (var_name, var->name) && (var->flags & neededflags))
87 if(!prev_alpha || var == cvars->vars)
90 *prev_alpha = cvars->vars;
91 // if prev_alpha happens to become NULL then there has been some inconsistency elsewhere
92 // already - should I still insert '*prev_alpha &&' in the loop?
93 while((*prev_alpha)->next != var)
94 *prev_alpha = (*prev_alpha)->next;
97 if(parent) *parent = var;
108 float Cvar_VariableValueOr(cvar_state_t *cvars, const char *var_name, float def, int neededflags)
112 var = Cvar_FindVar(cvars, var_name, neededflags);
115 return atof (var->string);
118 float Cvar_VariableValue(cvar_state_t *cvars, const char *var_name, int neededflags)
120 return Cvar_VariableValueOr(cvars, var_name, 0, neededflags);
128 const char *Cvar_VariableStringOr(cvar_state_t *cvars, const char *var_name, const char *def, int neededflags)
132 var = Cvar_FindVar(cvars, var_name, neededflags);
138 const char *Cvar_VariableString(cvar_state_t *cvars, const char *var_name, int neededflags)
140 return Cvar_VariableStringOr(cvars, var_name, cvar_null_string, neededflags);
145 Cvar_VariableDefString
148 const char *Cvar_VariableDefString(cvar_state_t *cvars, const char *var_name, int neededflags)
152 var = Cvar_FindVar(cvars, var_name, neededflags);
154 return cvar_null_string;
155 return var->defstring;
160 Cvar_VariableDescription
163 const char *Cvar_VariableDescription(cvar_state_t *cvars, const char *var_name, int neededflags)
167 var = Cvar_FindVar(cvars, var_name, neededflags);
169 return cvar_null_string;
170 return var->description;
176 Cvar_CompleteVariable
179 const char *Cvar_CompleteVariable(cvar_state_t *cvars, const char *partial, int neededflags)
184 len = strlen(partial);
190 for (cvar=cvars->vars ; cvar ; cvar=cvar->next)
191 if (!strncasecmp (partial,cvar->name, len) && (cvar->flags & neededflags))
199 CVar_CompleteCountPossible
201 New function for tab-completion system
203 Thanks to Fett erich@heintz.com
206 int Cvar_CompleteCountPossible(cvar_state_t *cvars, const char *partial, int neededflags)
213 len = strlen(partial);
218 // Loop through the cvars and count all possible matches
219 for (cvar = cvars->vars; cvar; cvar = cvar->next)
220 if (!strncasecmp(partial, cvar->name, len) && (cvar->flags & neededflags))
227 CVar_CompleteBuildList
229 New function for tab-completion system
231 Thanks to Fett erich@heintz.com
235 const char **Cvar_CompleteBuildList(cvar_state_t *cvars, const char *partial, int neededflags)
240 size_t sizeofbuf = (Cvar_CompleteCountPossible(cvars, partial, neededflags) + 1) * sizeof(const char *);
243 len = strlen(partial);
244 buf = (const char **)Mem_Alloc(tempmempool, sizeofbuf + sizeof(const char *));
245 // Loop through the alias list and print all matches
246 for (cvar = cvars->vars; cvar; cvar = cvar->next)
247 if (!strncasecmp(partial, cvar->name, len) && (cvar->flags & neededflags))
248 buf[bpos++] = cvar->name;
254 // written by LadyHavoc
255 void Cvar_CompleteCvarPrint(cvar_state_t *cvars, const char *partial, int neededflags)
258 size_t len = strlen(partial);
259 // Loop through the command list and print all matches
260 for (cvar = cvars->vars; cvar; cvar = cvar->next)
261 if (!strncasecmp(partial, cvar->name, len) && (cvar->flags & neededflags))
262 Con_Printf ("^3%s^7 is \"%s\" [\"%s\"] %s\n", cvar->name, cvar->string, cvar->defstring, cvar->description);
265 // check if a cvar is held by some progs
266 static qboolean Cvar_IsAutoCvar(cvar_t *var)
270 for (i = 0;i < PRVM_PROG_MAX;i++)
272 prog = &prvm_prog_list[i];
273 if (prog->loaded && var->globaldefindex[i] >= 0)
279 // we assume that prog is already set to the target progs
280 static void Cvar_UpdateAutoCvar(cvar_t *var)
287 for (i = 0;i < PRVM_PROG_MAX;i++)
289 prog = &prvm_prog_list[i];
290 if (prog->loaded && var->globaldefindex[i] >= 0)
292 // MUST BE SYNCED WITH prvm_edict.c PRVM_LoadProgs
293 switch(prog->globaldefs[var->globaldefindex[i]].type & ~DEF_SAVEGLOBAL)
296 PRVM_GLOBALFIELDFLOAT(prog->globaldefs[var->globaldefindex[i]].ofs) = var->value;
301 for (j = 0;j < 3;j++)
303 while (*s && ISWHITESPACE(*s))
308 while (!ISWHITESPACE(*s))
313 VectorCopy(v, PRVM_GLOBALFIELDVECTOR(prog->globaldefs[var->globaldefindex[i]].ofs));
316 PRVM_ChangeEngineString(prog, var->globaldefindex_stringno[i], var->string);
317 PRVM_GLOBALFIELDSTRING(prog->globaldefs[var->globaldefindex[i]].ofs) = var->globaldefindex_stringno[i];
324 // called after loading a savegame
325 void Cvar_UpdateAllAutoCvars(cvar_state_t *cvars)
328 for (var = cvars->vars ; var ; var = var->next)
329 Cvar_UpdateAutoCvar(var);
337 extern cvar_t sv_disablenotify;
338 static void Cvar_SetQuick_Internal (cvar_t *var, const char *value)
340 cvar_state_t *cvars = &cvars_all;
345 changed = strcmp(var->string, value) != 0;
346 // LadyHavoc: don't reallocate when there is no change
350 // LadyHavoc: don't reallocate when the buffer is the same size
351 valuelen = strlen(value);
352 if (!var->string || strlen(var->string) != valuelen)
354 Z_Free ((char *)var->string); // free the old value string
356 var->string = (char *)Z_Malloc (valuelen + 1);
358 memcpy ((char *)var->string, value, valuelen + 1);
359 var->value = atof (var->string);
360 var->integer = (int) var->value;
361 if ((var->flags & CVAR_NOTIFY) && changed && sv.active && !sv_disablenotify.integer)
362 SV_BroadcastPrintf("\001^3Server cvar \"%s\" changed to \"%s\"\n", var->name, var->string);
364 // TODO: add infostring support to the server?
365 if ((var->flags & CVAR_SERVERINFO) && changed && sv.active)
367 InfoString_SetValue(svs.serverinfo, sizeof(svs.serverinfo), var->name, var->string);
370 MSG_WriteByte (&sv.reliable_datagram, svc_serverinfostring);
371 MSG_WriteString (&sv.reliable_datagram, var->name);
372 MSG_WriteString (&sv.reliable_datagram, var->string);
376 if ((var->flags & CVAR_USERINFO) && cls.state != ca_dedicated)
377 CL_SetInfo(var->name, var->string, true, false, false, false);
378 else if ((var->flags & CVAR_NQUSERINFOHACK) && cls.state != ca_dedicated)
380 // update the cls.userinfo to have proper values for the
381 // silly nq config variables.
383 // this is done when these variables are changed rather than at
384 // connect time because if the user or code checks the userinfo and it
385 // holds weird values it may cause confusion...
386 if (!strcmp(var->name, "_cl_color"))
388 int top = (var->integer >> 4) & 15, bottom = var->integer & 15;
389 CL_SetInfo("topcolor", va(vabuf, sizeof(vabuf), "%i", top), true, false, false, false);
390 CL_SetInfo("bottomcolor", va(vabuf, sizeof(vabuf), "%i", bottom), true, false, false, false);
391 if (cls.protocol != PROTOCOL_QUAKEWORLD && cls.netcon)
393 MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
394 MSG_WriteString(&cls.netcon->message, va(vabuf, sizeof(vabuf), "color %i %i", top, bottom));
397 else if (!strcmp(var->name, "_cl_rate"))
398 CL_SetInfo("rate", va(vabuf, sizeof(vabuf), "%i", var->integer), true, false, false, false);
399 else if (!strcmp(var->name, "_cl_rate_burstsize"))
400 CL_SetInfo("rate_burstsize", va(vabuf, sizeof(vabuf), "%i", var->integer), true, false, false, false);
401 else if (!strcmp(var->name, "_cl_playerskin"))
402 CL_SetInfo("playerskin", var->string, true, false, false, false);
403 else if (!strcmp(var->name, "_cl_playermodel"))
404 CL_SetInfo("playermodel", var->string, true, false, false, false);
405 else if (!strcmp(var->name, "_cl_name"))
406 CL_SetInfo("name", var->string, true, false, false, false);
407 else if (!strcmp(var->name, "rcon_secure"))
409 // whenever rcon_secure is changed to 0, clear rcon_password for
410 // security reasons (prevents a send-rcon-password-as-plaintext
411 // attack based on NQ protocol session takeover and svc_stufftext)
412 if(var->integer <= 0)
413 Cvar_Set(cvars, "rcon_password", "");
416 else if (!strcmp(var->name, "net_slist_favorites"))
417 NetConn_UpdateFavorites();
421 Cvar_UpdateAutoCvar(var);
424 void Cvar_SetQuick (cvar_t *var, const char *value)
428 Con_Print("Cvar_SetQuick: var == NULL\n");
432 if (developer_extra.integer)
433 Con_DPrintf("Cvar_SetQuick({\"%s\", \"%s\", %i, \"%s\"}, \"%s\");\n", var->name, var->string, var->flags, var->defstring, value);
435 Cvar_SetQuick_Internal(var, value);
438 void Cvar_Set(cvar_state_t *cvars, const char *var_name, const char *value)
441 var = Cvar_FindVar(cvars, var_name, ~0);
444 Con_Printf("Cvar_Set: variable %s not found\n", var_name);
447 Cvar_SetQuick(var, value);
455 void Cvar_SetValueQuick(cvar_t *var, float value)
457 char val[MAX_INPUTLINE];
459 if ((float)((int)value) == value)
460 dpsnprintf(val, sizeof(val), "%i", (int)value);
462 dpsnprintf(val, sizeof(val), "%f", value);
463 Cvar_SetQuick(var, val);
466 void Cvar_SetValue(cvar_state_t *cvars, const char *var_name, float value)
468 char val[MAX_INPUTLINE];
470 if ((float)((int)value) == value)
471 dpsnprintf(val, sizeof(val), "%i", (int)value);
473 dpsnprintf(val, sizeof(val), "%f", value);
474 Cvar_Set(cvars, var_name, val);
479 Cvar_RegisterVariable
481 Adds a freestanding variable to the variable list.
484 void Cvar_RegisterVariable (cvar_t *variable)
486 cvar_state_t *cvars = NULL;
488 cvar_t *current, *next, *cvar;
493 switch (variable->flags & (CVAR_CLIENT | CVAR_SERVER))
497 case CVAR_CLIENT | CVAR_SERVER:
501 Sys_Error("Cvar_RegisterVariable({\"%s\", \"%s\", %i}) with no CVAR_CLIENT | CVAR_SERVER flags\n", variable->name, variable->string, variable->flags);
504 Sys_Error("Cvar_RegisterVariable({\"%s\", \"%s\", %i}) with weird CVAR_CLIENT | CVAR_SERVER flags\n", variable->name, variable->string, variable->flags);
508 if (developer_extra.integer)
509 Con_DPrintf("Cvar_RegisterVariable({\"%s\", \"%s\", %i});\n", variable->name, variable->string, variable->flags);
511 // first check to see if it has already been defined
512 cvar = Cvar_FindVar(cvars, variable->name, ~0);
515 if (cvar->flags & CVAR_ALLOCATED)
517 if (developer_extra.integer)
518 Con_DPrintf("... replacing existing allocated cvar {\"%s\", \"%s\", %i}\n", cvar->name, cvar->string, cvar->flags);
519 // fixed variables replace allocated ones
520 // (because the engine directly accesses fixed variables)
521 // NOTE: this isn't actually used currently
522 // (all cvars are registered before config parsing)
523 variable->flags |= (cvar->flags & ~CVAR_ALLOCATED);
524 // cvar->string is now owned by variable instead
525 variable->string = cvar->string;
526 variable->defstring = cvar->defstring;
527 variable->value = atof (variable->string);
528 variable->integer = (int) variable->value;
529 // Preserve autocvar status.
530 memcpy(variable->globaldefindex, cvar->globaldefindex, sizeof(variable->globaldefindex));
531 memcpy(variable->globaldefindex_stringno, cvar->globaldefindex_stringno, sizeof(variable->globaldefindex_stringno));
532 // replace cvar with this one...
533 variable->next = cvar->next;
534 if (cvars->vars == cvar)
536 // head of the list is easy to change
537 cvars->vars = variable;
541 // otherwise find it somewhere in the list
542 for (current = cvars->vars;current->next != cvar;current = current->next)
544 current->next = variable;
547 // get rid of old allocated cvar
548 // (but not cvar->string and cvar->defstring, because we kept those)
549 Z_Free((char *)cvar->name);
553 Con_DPrintf("Can't register variable %s, already defined\n", variable->name);
557 // check for overlap with a command
558 if (Cmd_Exists(&cmd_client, variable->name) || Cmd_Exists(&cmd_server, variable->name))
560 Con_Printf("Cvar_RegisterVariable: %s is a command\n", variable->name);
564 // copy the value off, because future sets will Z_Free it
565 oldstr = (char *)variable->string;
566 alloclen = strlen(variable->string) + 1;
567 variable->string = (char *)Z_Malloc (alloclen);
568 memcpy ((char *)variable->string, oldstr, alloclen);
569 variable->defstring = (char *)Z_Malloc (alloclen);
570 memcpy ((char *)variable->defstring, oldstr, alloclen);
571 variable->value = atof (variable->string);
572 variable->integer = (int) variable->value;
574 // Mark it as not an autocvar.
575 for (i = 0;i < PRVM_PROG_MAX;i++)
576 variable->globaldefindex[i] = -1;
578 // link the variable in
579 // alphanumerical order
580 for( current = NULL, next = cvars->vars ; next && strcmp( next->name, variable->name ) < 0 ; current = next, next = next->next )
583 current->next = variable;
585 cvars->vars = variable;
587 variable->next = next;
589 // link to head of list in this hash table index
590 hashindex = CRC_Block((const unsigned char *)variable->name, strlen(variable->name)) % CVAR_HASHSIZE;
591 variable->nextonhashchain = cvars->hashtable[hashindex];
592 cvars->hashtable[hashindex] = variable;
599 Adds a newly allocated variable to the variable list or sets its value.
602 cvar_t *Cvar_Get(cvar_state_t *cvars, const char *name, const char *value, int flags, const char *newdescription)
605 cvar_t *current, *next, *cvar;
608 if (developer_extra.integer)
609 Con_DPrintf("Cvar_Get(\"%s\", \"%s\", %i);\n", name, value, flags);
611 // first check to see if it has already been defined
612 cvar = Cvar_FindVar(cvars, name, ~0);
615 cvar->flags |= flags;
616 Cvar_SetQuick_Internal (cvar, value);
617 if(newdescription && (cvar->flags & CVAR_ALLOCATED))
619 if(cvar->description != cvar_dummy_description)
620 Z_Free((char *)cvar->description);
623 cvar->description = (char *)Mem_strdup(zonemempool, newdescription);
625 cvar->description = cvar_dummy_description;
630 // check for pure evil
633 Con_Printf("Cvar_Get: invalid variable name\n");
637 // check for overlap with a command
638 if (Cmd_Exists(&cmd_client, name) || Cmd_Exists(&cmd_server, name))
640 Con_Printf("Cvar_Get: %s is a command\n", name);
644 // allocate a new cvar, cvar name, and cvar string
645 // TODO: factorize the following code with the one at the end of Cvar_RegisterVariable()
646 // FIXME: these never get Z_Free'd
647 cvar = (cvar_t *)Z_Malloc(sizeof(cvar_t));
648 cvar->flags = flags | CVAR_ALLOCATED;
649 cvar->name = (char *)Mem_strdup(zonemempool, name);
650 cvar->string = (char *)Mem_strdup(zonemempool, value);
651 cvar->defstring = (char *)Mem_strdup(zonemempool, value);
652 cvar->value = atof (cvar->string);
653 cvar->integer = (int) cvar->value;
655 if(newdescription && *newdescription)
656 cvar->description = (char *)Mem_strdup(zonemempool, newdescription);
658 cvar->description = cvar_dummy_description; // actually checked by VM_cvar_type
660 // Mark it as not an autocvar.
661 for (i = 0;i < PRVM_PROG_MAX;i++)
662 cvar->globaldefindex[i] = -1;
664 // link the variable in
665 // alphanumerical order
666 for( current = NULL, next = cvars->vars ; next && strcmp( next->name, cvar->name ) < 0 ; current = next, next = next->next )
669 current->next = cvar;
674 // link to head of list in this hash table index
675 hashindex = CRC_Block((const unsigned char *)cvar->name, strlen(cvar->name)) % CVAR_HASHSIZE;
676 cvar->nextonhashchain = cvars->hashtable[hashindex];
677 cvars->hashtable[hashindex] = cvar;
687 Handles variable inspection and changing from the console
690 qboolean Cvar_Command (cmd_state_t *cmd)
692 cvar_state_t *cvars = cmd->cvars;
696 v = Cvar_FindVar(cvars, Cmd_Argv(cmd, 0), cmd->cvars_flagsmask);
700 // perform a variable print or set
701 if (Cmd_Argc(cmd) == 1)
703 Con_Printf("\"%s\" is \"%s\" [\"%s\"]\n", v->name, ((v->flags & CVAR_PRIVATE) ? "********"/*hunter2*/ : v->string), v->defstring);
707 if (developer_extra.integer)
708 Con_DPrint("Cvar_Command: ");
710 if (v->flags & CVAR_READONLY)
712 Con_Printf("%s is read-only\n", v->name);
715 Cvar_SetQuick(v, Cmd_Argv(cmd, 1));
716 if (developer_extra.integer)
722 void Cvar_UnlockDefaults(cmd_state_t *cmd)
724 cvar_state_t *cvars = cmd->cvars;
726 // unlock the default values of all cvars
727 for (var = cvars->vars ; var ; var = var->next)
728 var->flags &= ~CVAR_DEFAULTSET;
732 void Cvar_LockDefaults_f(cmd_state_t *cmd)
734 cvar_state_t *cvars = cmd->cvars;
736 // lock in the default values of all cvars
737 for (var = cvars->vars ; var ; var = var->next)
739 if (!(var->flags & CVAR_DEFAULTSET))
743 //Con_Printf("locking cvar %s (%s -> %s)\n", var->name, var->string, var->defstring);
744 var->flags |= CVAR_DEFAULTSET;
745 Z_Free((char *)var->defstring);
746 alloclen = strlen(var->string) + 1;
747 var->defstring = (char *)Z_Malloc(alloclen);
748 memcpy((char *)var->defstring, var->string, alloclen);
753 void Cvar_SaveInitState(cvar_state_t *cvars)
756 for (c = cvars->vars;c;c = c->next)
759 c->initflags = c->flags;
760 c->initdefstring = Mem_strdup(zonemempool, c->defstring);
761 c->initstring = Mem_strdup(zonemempool, c->string);
762 c->initvalue = c->value;
763 c->initinteger = c->integer;
764 VectorCopy(c->vector, c->initvector);
768 void Cvar_RestoreInitState(cvar_state_t *cvars)
773 for (cp = &cvars->vars;(c = *cp);)
777 // restore this cvar, it existed at init
778 if (((c->flags ^ c->initflags) & CVAR_MAXFLAGSVAL)
779 || strcmp(c->defstring ? c->defstring : "", c->initdefstring ? c->initdefstring : "")
780 || strcmp(c->string ? c->string : "", c->initstring ? c->initstring : ""))
782 Con_DPrintf("Cvar_RestoreInitState: Restoring cvar \"%s\"\n", c->name);
784 Z_Free((char *)c->defstring);
785 c->defstring = Mem_strdup(zonemempool, c->initdefstring);
787 Z_Free((char *)c->string);
788 c->string = Mem_strdup(zonemempool, c->initstring);
790 c->flags = c->initflags;
791 c->value = c->initvalue;
792 c->integer = c->initinteger;
793 VectorCopy(c->initvector, c->vector);
798 if (!(c->flags & CVAR_ALLOCATED))
800 Con_DPrintf("Cvar_RestoreInitState: Unable to destroy cvar \"%s\", it was registered after init!\n", c->name);
801 // In this case, at least reset it to the default.
802 if((c->flags & CVAR_NORESETTODEFAULTS) == 0)
803 Cvar_SetQuick(c, c->defstring);
807 if (Cvar_IsAutoCvar(c))
809 Con_DPrintf("Cvar_RestoreInitState: Unable to destroy cvar \"%s\", it is an autocvar used by running progs!\n", c->name);
810 // In this case, at least reset it to the default.
811 if((c->flags & CVAR_NORESETTODEFAULTS) == 0)
812 Cvar_SetQuick(c, c->defstring);
816 // remove this cvar, it did not exist at init
817 Con_DPrintf("Cvar_RestoreInitState: Destroying cvar \"%s\"\n", c->name);
818 // unlink struct from hash
819 hashindex = CRC_Block((const unsigned char *)c->name, strlen(c->name)) % CVAR_HASHSIZE;
820 for (cp2 = &cvars->hashtable[hashindex];(c2 = *cp2);)
824 *cp2 = c2->nextonhashchain;
828 cp2 = &c2->nextonhashchain;
830 // unlink struct from main list
834 Z_Free((char *)c->defstring);
836 Z_Free((char *)c->string);
837 if (c->description && c->description != cvar_dummy_description)
838 Z_Free((char *)c->description);
845 void Cvar_ResetToDefaults_All_f(cmd_state_t *cmd)
847 cvar_state_t *cvars = cmd->cvars;
849 // restore the default values of all cvars
850 for (var = cvars->vars ; var ; var = var->next)
851 if((var->flags & CVAR_NORESETTODEFAULTS) == 0)
852 Cvar_SetQuick(var, var->defstring);
856 void Cvar_ResetToDefaults_NoSaveOnly_f(cmd_state_t *cmd)
858 cvar_state_t *cvars = cmd->cvars;
860 // restore the default values of all cvars
861 for (var = cvars->vars ; var ; var = var->next)
862 if ((var->flags & (CVAR_NORESETTODEFAULTS | CVAR_SAVE)) == 0)
863 Cvar_SetQuick(var, var->defstring);
867 void Cvar_ResetToDefaults_SaveOnly_f(cmd_state_t *cmd)
869 cvar_state_t *cvars = cmd->cvars;
871 // restore the default values of all cvars
872 for (var = cvars->vars ; var ; var = var->next)
873 if ((var->flags & (CVAR_NORESETTODEFAULTS | CVAR_SAVE)) == CVAR_SAVE)
874 Cvar_SetQuick(var, var->defstring);
882 Writes lines containing "set variable value" for all variables
883 with the archive flag set to true.
886 void Cvar_WriteVariables (cvar_state_t *cvars, qfile_t *f)
889 char buf1[MAX_INPUTLINE], buf2[MAX_INPUTLINE];
891 // don't save cvars that match their default value
892 for (var = cvars->vars ; var ; var = var->next)
893 if ((var->flags & CVAR_SAVE) && (strcmp(var->string, var->defstring) || ((var->flags & CVAR_ALLOCATED) && !(var->flags & CVAR_DEFAULTSET))))
895 Cmd_QuoteString(buf1, sizeof(buf1), var->name, "\"\\$", false);
896 Cmd_QuoteString(buf2, sizeof(buf2), var->string, "\"\\$", false);
897 FS_Printf(f, "%s\"%s\" \"%s\"\n", var->flags & CVAR_ALLOCATED ? "seta " : "", buf1, buf2);
902 // Added by EvilTypeGuy eviltypeguy@qeradiant.com
903 // 2000-01-09 CvarList command By Matthias "Maddes" Buecher, http://www.inside3d.com/qip/
909 void Cvar_List_f(cmd_state_t *cmd)
911 cvar_state_t *cvars = cmd->cvars;
918 if (Cmd_Argc(cmd) > 1)
920 partial = Cmd_Argv(cmd, 1);
921 len = strlen(partial);
922 ispattern = (strchr(partial, '*') || strchr(partial, '?'));
932 for (cvar = cvars->vars; cvar; cvar = cvar->next)
934 if (len && (ispattern ? !matchpattern_with_separator(cvar->name, partial, false, "", false) : strncmp (partial,cvar->name,len)))
937 Con_Printf("%s is \"%s\" [\"%s\"] %s\n", cvar->name, ((cvar->flags & CVAR_PRIVATE) ? "********"/*hunter2*/ : cvar->string), cvar->defstring, cvar->description);
944 Con_Printf("%i cvar%s matching \"%s\"\n", count, (count > 1) ? "s" : "", partial);
946 Con_Printf("%i cvar%s beginning with \"%s\"\n", count, (count > 1) ? "s" : "", partial);
949 Con_Printf("%i cvar(s)\n", count);
951 // 2000-01-09 CvarList command by Maddes
953 void Cvar_Set_f(cmd_state_t *cmd)
955 cvar_state_t *cvars = cmd->cvars;
958 // make sure it's the right number of parameters
959 if (Cmd_Argc(cmd) < 3)
961 Con_Printf("Set: wrong number of parameters, usage: set <variablename> <value> [<description>]\n");
965 // check if it's read-only
966 cvar = Cvar_FindVar(cvars, Cmd_Argv(cmd, 1), ~0);
967 if (cvar && cvar->flags & CVAR_READONLY)
969 Con_Printf("Set: %s is read-only\n", cvar->name);
973 if (developer_extra.integer)
976 // all looks ok, create/modify the cvar
977 Cvar_Get(cvars, Cmd_Argv(cmd, 1), Cmd_Argv(cmd, 2), cmd->cvars_flagsmask, Cmd_Argc(cmd) > 3 ? Cmd_Argv(cmd, 3) : NULL);
980 void Cvar_SetA_f(cmd_state_t *cmd)
982 cvar_state_t *cvars = cmd->cvars;
985 // make sure it's the right number of parameters
986 if (Cmd_Argc(cmd) < 3)
988 Con_Printf("SetA: wrong number of parameters, usage: seta <variablename> <value> [<description>]\n");
992 // check if it's read-only
993 cvar = Cvar_FindVar(cvars, Cmd_Argv(cmd, 1), ~0);
994 if (cvar && cvar->flags & CVAR_READONLY)
996 Con_Printf("SetA: %s is read-only\n", cvar->name);
1000 if (developer_extra.integer)
1001 Con_DPrint("SetA: ");
1003 // all looks ok, create/modify the cvar
1004 Cvar_Get(cvars, Cmd_Argv(cmd, 1), Cmd_Argv(cmd, 2), cmd->cvars_flagsmask | CVAR_SAVE, Cmd_Argc(cmd) > 3 ? Cmd_Argv(cmd, 3) : NULL);
1007 void Cvar_Del_f(cmd_state_t *cmd)
1009 cvar_state_t *cvars = cmd->cvars;
1010 int neededflags = ~0;
1012 cvar_t *cvar, *parent, **link, *prev;
1014 if(Cmd_Argc(cmd) < 2)
1016 Con_Printf("%s: wrong number of parameters, usage: unset <variablename1> [<variablename2> ...]\n", Cmd_Argv(cmd, 0));
1019 for(i = 1; i < Cmd_Argc(cmd); ++i)
1021 cvar = Cvar_FindVarLink(cvars, Cmd_Argv(cmd, i), &parent, &link, &prev, neededflags);
1024 Con_Printf("%s: %s is not defined\n", Cmd_Argv(cmd, 0), Cmd_Argv(cmd, i));
1027 if(cvar->flags & CVAR_READONLY)
1029 Con_Printf("%s: %s is read-only\n", Cmd_Argv(cmd, 0), cvar->name);
1032 if(!(cvar->flags & CVAR_ALLOCATED))
1034 Con_Printf("%s: %s is static and cannot be deleted\n", Cmd_Argv(cmd, 0), cvar->name);
1037 if(cvar == cvars->vars)
1039 cvars->vars = cvar->next;
1043 // in this case, prev must be set, otherwise there has been some inconsistensy
1044 // elsewhere already... should I still check for prev != NULL?
1045 prev->next = cvar->next;
1049 parent->nextonhashchain = cvar->nextonhashchain;
1051 *link = cvar->nextonhashchain;
1053 if(cvar->description != cvar_dummy_description)
1054 Z_Free((char *)cvar->description);
1056 Z_Free((char *)cvar->name);
1057 Z_Free((char *)cvar->string);
1058 Z_Free((char *)cvar->defstring);
1063 #ifdef FILLALLCVARSWITHRUBBISH
1064 void Cvar_FillAll_f(cmd_state_t *cmd)
1070 if(Cmd_Argc(cmd) != 2)
1072 Con_Printf("Usage: %s length to plant rubbish\n", Cmd_Argv(cmd, 0));
1073 Con_Printf("Usage: %s -length to verify that the rubbish is still there\n", Cmd_Argv(cmd, 0));
1076 n = atoi(Cmd_Argv(cmd, 1));
1080 buf = Z_Malloc(n + 1);
1082 for(var = cvars->vars; var; var = var->next)
1084 for(i = 0, p = buf, q = var->name; i < n; ++i)
1090 if(verify && strcmp(var->string, buf))
1092 Con_Printf("\n%s does not contain the right rubbish, either this is the first run or a possible overrun was detected, or something changed it intentionally; it DOES contain: %s\n", var->name, var->string);
1094 Cvar_SetQuick(var, buf);
1098 #endif /* FILLALLCVARSWITHRUBBISH */