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cvar.c
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cvar.c
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/*
Copyright (C) 1996-1997 Id Software, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// cvar.c -- dynamic variable tracking
#include "quakedef.h"
const char *cvar_dummy_description = "custom cvar";
static const char *cvar_null_string = "";
cvar_state_t cvars_all;
cvar_state_t cvars_null;
/*
============
Cvar_FindVar
============
*/
cvar_t *Cvar_FindVar(cvar_state_t *cvars, const char *var_name, int neededflags)
{
int hashindex;
cvar_hash_t *hash;
// use hash lookup to minimize search time
hashindex = CRC_Block((const unsigned char *)var_name, strlen(var_name)) % CVAR_HASHSIZE;
for (hash = cvars->hashtable[hashindex];hash;hash = hash->next)
if (!strcmp (var_name, hash->cvar->name) && (hash->cvar->flags & neededflags))
return hash->cvar;
else
for (int i = 0; i < hash->cvar->aliasindex; i++)
if (!strcmp (var_name, hash->cvar->aliases[i]) && (hash->cvar->flags & neededflags))
return hash->cvar;
return NULL;
}
cvar_t *Cvar_FindVarAfter(cvar_state_t *cvars, const char *prev_var_name, int neededflags)
{
cvar_t *var;
if (*prev_var_name)
{
var = Cvar_FindVar(cvars, prev_var_name, neededflags);
if (!var)
return NULL;
var = var->next;
}
else
var = cvars->vars;
// search for the next cvar matching the needed flags
while (var)
{
if (var->flags & neededflags)
break;
var = var->next;
}
return var;
}
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)
{
int hashindex;
cvar_hash_t *hash;
// use hash lookup to minimize search time
hashindex = CRC_Block((const unsigned char *)var_name, strlen(var_name)) % CVAR_HASHSIZE;
if(parent) *parent = NULL;
if(prev_alpha) *prev_alpha = NULL;
if(link) *link = &cvars->hashtable[hashindex]->cvar;
for (hash = cvars->hashtable[hashindex];hash;hash = hash->next)
{
if (!strcmp (var_name, hash->cvar->name) && (hash->cvar->flags & neededflags))
goto match;
else
for (int i = 0; i < hash->cvar->aliasindex; i++)
if (!strcmp (var_name, hash->cvar->aliases[i]) && (hash->cvar->flags & neededflags))
goto match;
if(parent) *parent = hash->cvar;
}
return NULL;
match:
if(!prev_alpha || hash->cvar == cvars->vars)
return hash->cvar;
*prev_alpha = cvars->vars;
// if prev_alpha happens to become NULL then there has been some inconsistency elsewhere
// already - should I still insert '*prev_alpha &&' in the loop?
while((*prev_alpha)->next != hash->cvar)
*prev_alpha = (*prev_alpha)->next;
return hash->cvar;
}
/*
============
Cvar_VariableValue
============
*/
float Cvar_VariableValueOr(cvar_state_t *cvars, const char *var_name, float def, int neededflags)
{
cvar_t *var;
var = Cvar_FindVar(cvars, var_name, neededflags);
if (!var)
return def;
return atof (var->string);
}
float Cvar_VariableValue(cvar_state_t *cvars, const char *var_name, int neededflags)
{
return Cvar_VariableValueOr(cvars, var_name, 0, neededflags);
}
/*
============
Cvar_VariableString
============
*/
const char *Cvar_VariableStringOr(cvar_state_t *cvars, const char *var_name, const char *def, int neededflags)
{
cvar_t *var;
var = Cvar_FindVar(cvars, var_name, neededflags);
if (!var)
return def;
return var->string;
}
const char *Cvar_VariableString(cvar_state_t *cvars, const char *var_name, int neededflags)
{
return Cvar_VariableStringOr(cvars, var_name, cvar_null_string, neededflags);
}
/*
============
Cvar_VariableDefString
============
*/
const char *Cvar_VariableDefString(cvar_state_t *cvars, const char *var_name, int neededflags)
{
cvar_t *var;
var = Cvar_FindVar(cvars, var_name, neededflags);
if (!var)
return cvar_null_string;
return var->defstring;
}
/*
============
Cvar_VariableDescription
============
*/
const char *Cvar_VariableDescription(cvar_state_t *cvars, const char *var_name, int neededflags)
{
cvar_t *var;
var = Cvar_FindVar(cvars, var_name, neededflags);
if (!var)
return cvar_null_string;
return var->description;
}
/*
============
Cvar_CompleteVariable
============
*/
const char *Cvar_CompleteVariable(cvar_state_t *cvars, const char *partial, int neededflags)
{
cvar_t *cvar;
size_t len;
len = strlen(partial);
if (!len)
return NULL;
// check functions
for (cvar=cvars->vars ; cvar ; cvar=cvar->next)
if (!strncasecmp (partial,cvar->name, len) && (cvar->flags & neededflags))
return cvar->name;
return NULL;
}
/*
CVar_CompleteCountPossible
New function for tab-completion system
Added by EvilTypeGuy
Thanks to Fett [email protected]
*/
int Cvar_CompleteCountPossible(cvar_state_t *cvars, const char *partial, int neededflags)
{
cvar_t *cvar;
size_t len;
int h;
h = 0;
len = strlen(partial);
if (!len)
return 0;
// Loop through the cvars and count all possible matches
for (cvar = cvars->vars; cvar; cvar = cvar->next)
if (!strncasecmp(partial, cvar->name, len) && (cvar->flags & neededflags))
h++;
else
for(int i = 0; i < cvar->aliasindex; i++)
if (!strncasecmp(partial, cvar->aliases[i], len) && (cvar->flags & neededflags))
h++;
return h;
}
/*
CVar_CompleteBuildList
New function for tab-completion system
Added by EvilTypeGuy
Thanks to Fett [email protected]
Thanks to taniwha
*/
const char **Cvar_CompleteBuildList(cvar_state_t *cvars, const char *partial, int neededflags)
{
const cvar_t *cvar;
size_t len = 0;
size_t bpos = 0;
size_t sizeofbuf = (Cvar_CompleteCountPossible(cvars, partial, neededflags) + 1) * sizeof(const char *);
const char **buf;
len = strlen(partial);
buf = (const char **)Mem_Alloc(tempmempool, sizeofbuf + sizeof(const char *));
// Loop through the alias list and print all matches
for (cvar = cvars->vars; cvar; cvar = cvar->next)
if (!strncasecmp(partial, cvar->name, len) && (cvar->flags & neededflags))
buf[bpos++] = cvar->name;
else
for(int i = 0; i < cvar->aliasindex; i++)
if (!strncasecmp(partial, cvar->aliases[i], len) && (cvar->flags & neededflags))
buf[bpos++] = cvar->aliases[i];
buf[bpos] = NULL;
return buf;
}
void Cvar_PrintHelp(cvar_t *cvar, const char *name, qbool full)
{
// Aliases are purple, cvars are yellow
if (strcmp(cvar->name, name))
Con_Printf("^6");
else
Con_Printf("^3");
Con_Printf("%s^7 is \"%s\" [\"%s\"]", name, ((cvar->flags & CF_PRIVATE) ? "********"/*hunter2*/ : cvar->string), cvar->defstring);
if (strcmp(cvar->name, name))
Con_Printf(" (also ^3%s^7)", cvar->name);
if (full)
Con_Printf(" %s", cvar->description);
Con_Printf("\n");
}
// written by LadyHavoc
void Cvar_CompleteCvarPrint(cvar_state_t *cvars, const char *partial, int neededflags)
{
cvar_t *cvar;
size_t len = strlen(partial);
// Loop through the command list and print all matches
for (cvar = cvars->vars; cvar; cvar = cvar->next)
if (!strncasecmp(partial, cvar->name, len) && (cvar->flags & neededflags))
Cvar_PrintHelp(cvar, cvar->name, true);
else
for (int i = 0; i < cvar->aliasindex; i++)
if (!strncasecmp (partial, cvar->aliases[i], len) && (cvar->flags & neededflags))
Cvar_PrintHelp(cvar, cvar->aliases[i], true);
}
// check if a cvar is held by some progs
static qbool Cvar_IsAutoCvar(cvar_t *var)
{
int i;
prvm_prog_t *prog;
for (i = 0;i < PRVM_PROG_MAX;i++)
{
prog = &prvm_prog_list[i];
if (prog->loaded && var->globaldefindex[i] >= 0)
return true;
}
return false;
}
// we assume that prog is already set to the target progs
static void Cvar_UpdateAutoCvar(cvar_t *var)
{
int i;
int j;
const char *s;
vec3_t v;
prvm_prog_t *prog;
for (i = 0;i < PRVM_PROG_MAX;i++)
{
prog = &prvm_prog_list[i];
if (prog->loaded && var->globaldefindex[i] >= 0)
{
// MUST BE SYNCED WITH prvm_edict.c PRVM_LoadProgs
switch(prog->globaldefs[var->globaldefindex[i]].type & ~DEF_SAVEGLOBAL)
{
case ev_float:
PRVM_GLOBALFIELDFLOAT(prog->globaldefs[var->globaldefindex[i]].ofs) = var->value;
break;
case ev_vector:
s = var->string;
VectorClear(v);
for (j = 0;j < 3;j++)
{
while (*s && ISWHITESPACE(*s))
s++;
if (!*s)
break;
v[j] = atof(s);
while (!ISWHITESPACE(*s))
s++;
if (!*s)
break;
}
VectorCopy(v, PRVM_GLOBALFIELDVECTOR(prog->globaldefs[var->globaldefindex[i]].ofs));
break;
case ev_string:
PRVM_ChangeEngineString(prog, var->globaldefindex_stringno[i], var->string);
PRVM_GLOBALFIELDSTRING(prog->globaldefs[var->globaldefindex[i]].ofs) = var->globaldefindex_stringno[i];
break;
}
}
}
}
// called after loading a savegame
void Cvar_UpdateAllAutoCvars(cvar_state_t *cvars)
{
cvar_t *var;
for (var = cvars->vars ; var ; var = var->next)
Cvar_UpdateAutoCvar(var);
}
void Cvar_Callback(cvar_t *var)
{
if (var == NULL)
{
Con_Print("Cvar_Callback: var == NULL\n");
return;
}
if(var->callback)
var->callback(var);
}
/*
============
Cvar_Set
============
*/
extern cvar_t sv_disablenotify;
static void Cvar_SetQuick_Internal (cvar_t *var, const char *value)
{
qbool changed;
size_t valuelen;
changed = strcmp(var->string, value) != 0;
// LadyHavoc: don't reallocate when there is no change
if (!changed)
return;
// LadyHavoc: don't reallocate when the buffer is the same size
valuelen = strlen(value);
if (!var->string || strlen(var->string) != valuelen)
{
Z_Free ((char *)var->string); // free the old value string
var->string = (char *)Z_Malloc (valuelen + 1);
}
memcpy ((char *)var->string, value, valuelen + 1);
var->value = atof (var->string);
var->integer = (int) var->value;
if ((var->flags & CF_NOTIFY) && sv.active && !sv_disablenotify.integer)
SV_BroadcastPrintf("\003^3Server cvar \"%s\" changed to \"%s\"\n", var->name, var->string);
#if 0
// TODO: add infostring support to the server?
if ((var->flags & CF_SERVERINFO) && changed && sv.active)
{
InfoString_SetValue(svs.serverinfo, sizeof(svs.serverinfo), var->name, var->string);
if (sv.active)
{
MSG_WriteByte (&sv.reliable_datagram, svc_serverinfostring);
MSG_WriteString (&sv.reliable_datagram, var->name);
MSG_WriteString (&sv.reliable_datagram, var->string);
}
}
#endif
if (var->flags & CF_USERINFO)
CL_SetInfo(var->name, var->string, true, false, false, false);
Cvar_UpdateAutoCvar(var);
// Call the function stored in the cvar for bounds checking, cleanup, etc
Cvar_Callback(var);
}
void Cvar_SetQuick (cvar_t *var, const char *value)
{
if (var == NULL)
{
Con_Print("Cvar_SetQuick: var == NULL\n");
return;
}
if (developer_extra.integer)
Con_DPrintf("Cvar_SetQuick({\"%s\", \"%s\", %i, \"%s\"}, \"%s\");\n", var->name, var->string, var->flags, var->defstring, value);
Cvar_SetQuick_Internal(var, value);
}
void Cvar_Set(cvar_state_t *cvars, const char *var_name, const char *value)
{
cvar_t *var;
var = Cvar_FindVar(cvars, var_name, ~0);
if (var == NULL)
{
Con_Printf("Cvar_Set: variable %s not found\n", var_name);
return;
}
Cvar_SetQuick(var, value);
}
/*
============
Cvar_SetValue
============
*/
void Cvar_SetValueQuick(cvar_t *var, float value)
{
char val[MAX_INPUTLINE];
if ((float)((int)value) == value)
dpsnprintf(val, sizeof(val), "%i", (int)value);
else
dpsnprintf(val, sizeof(val), "%f", value);
Cvar_SetQuick(var, val);
}
void Cvar_SetValue(cvar_state_t *cvars, const char *var_name, float value)
{
char val[MAX_INPUTLINE];
if ((float)((int)value) == value)
dpsnprintf(val, sizeof(val), "%i", (int)value);
else
dpsnprintf(val, sizeof(val), "%f", value);
Cvar_Set(cvars, var_name, val);
}
void Cvar_RegisterCallback(cvar_t *variable, void (*callback)(cvar_t *))
{
if (variable == NULL)
{
Con_Print("Cvar_RegisterCallback: var == NULL\n");
return;
}
variable->callback = callback;
}
void Cvar_RegisterAlias(cvar_t *variable, const char *alias )
{
cvar_state_t *cvars = &cvars_all;
cvar_hash_t *hash;
int hashindex;
variable->aliases = (char **)Mem_Realloc(zonemempool, variable->aliases, sizeof(char *) * (variable->aliasindex + 1));
// Add to it
variable->aliases[variable->aliasindex] = (char *)Z_Malloc(strlen(alias) + 1);
memcpy(variable->aliases[variable->aliasindex], alias, strlen(alias) + 1);
variable->aliasindex++;
// link to head of list in this hash table index
hash = (cvar_hash_t *)Z_Malloc(sizeof(cvar_hash_t));
hashindex = CRC_Block((const unsigned char *)alias, strlen(alias)) % CVAR_HASHSIZE;
hash->next = cvars->hashtable[hashindex];
cvars->hashtable[hashindex] = hash;
hash->cvar = variable;
}
/*
============
Cvar_Link
Links a variable to the variable list and hashtable
============
*/
static void Cvar_Link(cvar_t *variable, cvar_state_t *cvars)
{
cvar_t *current, *next;
cvar_hash_t *hash;
int hashindex;
/*
* Link the variable in
* alphanumerical order
*/
for( current = NULL, next = cvars->vars ; next && strcmp( next->name, variable->name ) < 0 ; current = next, next = next->next )
;
if(current)
current->next = variable;
else
cvars->vars = variable;
variable->next = next;
// link to head of list in this hash table index
hash = (cvar_hash_t *)Z_Malloc(sizeof(cvar_hash_t));
hashindex = CRC_Block((const unsigned char *)variable->name, strlen(variable->name)) % CVAR_HASHSIZE;
hash->next = cvars->hashtable[hashindex];
hash->cvar = variable;
cvars->hashtable[hashindex] = hash;
}
/*
============
Cvar_RegisterVariable
Adds a freestanding variable to the variable list.
============
*/
void Cvar_RegisterVariable (cvar_t *variable)
{
cvar_state_t *cvars = NULL;
cvar_t *current, *cvar;
int i;
switch (variable->flags & (CF_CLIENT | CF_SERVER))
{
case CF_CLIENT:
case CF_SERVER:
case CF_CLIENT | CF_SERVER:
cvars = &cvars_all;
break;
case 0:
Sys_Error("Cvar_RegisterVariable({\"%s\", \"%s\", %i}) with no CF_CLIENT | CF_SERVER flags\n", variable->name, variable->string, variable->flags);
break;
default:
Sys_Error("Cvar_RegisterVariable({\"%s\", \"%s\", %i}) with weird CF_CLIENT | CF_SERVER flags\n", variable->name, variable->string, variable->flags);
break;
}
if (developer_extra.integer)
Con_DPrintf("Cvar_RegisterVariable({\"%s\", \"%s\", %i});\n", variable->name, variable->string, variable->flags);
// first check to see if it has already been defined
cvar = Cvar_FindVar(cvars, variable->name, ~0);
if (cvar)
{
if (cvar->flags & CF_ALLOCATED)
{
if (developer_extra.integer)
Con_DPrintf("... replacing existing allocated cvar {\"%s\", \"%s\", %i}\n", cvar->name, cvar->string, cvar->flags);
// fixed variables replace allocated ones
// (because the engine directly accesses fixed variables)
// NOTE: this isn't actually used currently
// (all cvars are registered before config parsing)
variable->flags |= (cvar->flags & ~CF_ALLOCATED);
// cvar->string is now owned by variable instead
variable->string = cvar->string;
variable->defstring = cvar->defstring;
variable->value = atof (variable->string);
variable->integer = (int) variable->value;
// Preserve autocvar status.
memcpy(variable->globaldefindex, cvar->globaldefindex, sizeof(variable->globaldefindex));
memcpy(variable->globaldefindex_stringno, cvar->globaldefindex_stringno, sizeof(variable->globaldefindex_stringno));
// replace cvar with this one...
variable->next = cvar->next;
if (cvars->vars == cvar)
{
// head of the list is easy to change
cvars->vars = variable;
}
else
{
// otherwise find it somewhere in the list
for (current = cvars->vars;current->next != cvar;current = current->next)
;
current->next = variable;
}
// get rid of old allocated cvar
// (but not cvar->string and cvar->defstring, because we kept those)
Z_Free((char *)cvar->name);
Z_Free(cvar);
}
else
Con_DPrintf("Can't register variable %s, already defined\n", variable->name);
return;
}
// check for overlap with a command
if (Cmd_Exists(&cmd_client, variable->name) || Cmd_Exists(&cmd_server, variable->name))
{
Con_Printf("Cvar_RegisterVariable: %s is a command\n", variable->name);
return;
}
// copy the value off, because future sets will Z_Free it
variable->name = (char *)Mem_strdup(zonemempool, variable->name);
variable->string = (char *)Mem_strdup(zonemempool, variable->string);
variable->defstring = (char *)Mem_strdup(zonemempool, variable->string);
variable->value = atof (variable->string);
variable->integer = (int) variable->value;
variable->aliasindex = 0;
variable->initstate = NULL;
// Mark it as not an autocvar.
for (i = 0;i < PRVM_PROG_MAX;i++)
variable->globaldefindex[i] = -1;
Cvar_Link(variable, cvars);
}
/*
============
Cvar_Get
Adds a newly allocated variable to the variable list or sets its value.
============
*/
cvar_t *Cvar_Get(cvar_state_t *cvars, const char *name, const char *value, int flags, const char *newdescription)
{
cvar_t *cvar;
int i;
if (developer_extra.integer)
Con_DPrintf("Cvar_Get(\"%s\", \"%s\", %i);\n", name, value, flags);
// first check to see if it has already been defined
cvar = Cvar_FindVar(cvars, name, ~0);
if (cvar)
{
cvar->flags |= flags;
Cvar_SetQuick_Internal (cvar, value);
if(newdescription && (cvar->flags & CF_ALLOCATED))
{
if(cvar->description != cvar_dummy_description)
Z_Free((char *)cvar->description);
if(*newdescription)
cvar->description = (char *)Mem_strdup(zonemempool, newdescription);
else
cvar->description = cvar_dummy_description;
}
return cvar;
}
// check for pure evil
if (!*name)
{
Con_Printf("Cvar_Get: invalid variable name\n");
return NULL;
}
// check for overlap with a command
if (Cmd_Exists(&cmd_client, name) || Cmd_Exists(&cmd_server, name))
{
Con_Printf("Cvar_Get: %s is a command\n", name);
return NULL;
}
// allocate a new cvar, cvar name, and cvar string
// TODO: factorize the following code with the one at the end of Cvar_RegisterVariable()
// FIXME: these never get Z_Free'd
cvar = (cvar_t *)Z_Malloc(sizeof(cvar_t));
cvar->flags = flags | CF_ALLOCATED;
cvar->name = (char *)Mem_strdup(zonemempool, name);
cvar->string = (char *)Mem_strdup(zonemempool, value);
cvar->defstring = (char *)Mem_strdup(zonemempool, value);
cvar->value = atof (cvar->string);
cvar->integer = (int) cvar->value;
cvar->aliases = (char **)Z_Malloc(sizeof(char **));
cvar->initstate = NULL;
memset(cvar->aliases, 0, sizeof(char *));
if(newdescription && *newdescription)
cvar->description = (char *)Mem_strdup(zonemempool, newdescription);
else
cvar->description = cvar_dummy_description; // actually checked by VM_cvar_type
// Mark it as not an autocvar.
for (i = 0;i < PRVM_PROG_MAX;i++)
cvar->globaldefindex[i] = -1;
Cvar_Link(cvar, cvars);
return cvar;
}
qbool Cvar_Readonly (cvar_t *var, const char *cmd_name)
{
if (var->flags & CF_READONLY)
{
if(cmd_name)
Con_Printf("%s: ",cmd_name);
Con_Printf("%s", var->name);
Con_Printf(" is read-only\n");
return true;
}
return false;
}
/*
============
Cvar_Command
Handles variable inspection and changing from the console
============
*/
qbool Cvar_Command (cmd_state_t *cmd)
{
cvar_state_t *cvars = cmd->cvars;
cvar_t *v;
// check variables
v = Cvar_FindVar(cvars, Cmd_Argv(cmd, 0), (cmd->cvars_flagsmask));
if (!v)
return false;
// perform a variable print or set
if (Cmd_Argc(cmd) == 1)
{
Cvar_PrintHelp(v, Cmd_Argv(cmd, 0), true);
return true;
}
if (developer_extra.integer)
Con_DPrint("Cvar_Command: ");
if(Cvar_Readonly(v, NULL))
return true;
Cvar_SetQuick(v, Cmd_Argv(cmd, 1));
if (developer_extra.integer)
Con_DPrint("\n");
return true;
}
void Cvar_UnlockDefaults(cmd_state_t *cmd)
{
cvar_state_t *cvars = cmd->cvars;
cvar_t *var;
// unlock the default values of all cvars
for (var = cvars->vars ; var ; var = var->next)
var->flags &= ~CF_DEFAULTSET;
}
void Cvar_LockDefaults_f(cmd_state_t *cmd)
{
cvar_state_t *cvars = cmd->cvars;
cvar_t *var;
// lock in the default values of all cvars
for (var = cvars->vars ; var ; var = var->next)
{
if (!(var->flags & CF_DEFAULTSET))
{
size_t alloclen;
//Con_Printf("locking cvar %s (%s -> %s)\n", var->name, var->string, var->defstring);
var->flags |= CF_DEFAULTSET;
Z_Free((char *)var->defstring);
alloclen = strlen(var->string) + 1;
var->defstring = (char *)Z_Malloc(alloclen);
memcpy((char *)var->defstring, var->string, alloclen);
}
}
}
void Cvar_SaveInitState(cvar_state_t *cvars)
{
cvar_t *c;
for (c = cvars->vars;c;c = c->next)
{
c->initstate = (cvar_t *)Z_Malloc(sizeof(cvar_t));
memcpy(c->initstate, c, sizeof(cvar_t));
}
}
void Cvar_RestoreInitState(cvar_state_t *cvars)
{
int hashindex;
cvar_t *c, **cp;
cvar_t *c2, **cp2;
for (cp = &cvars->vars;(c = *cp);)
{
if (c->initstate)
{
// restore this cvar, it existed at init
if (((c->flags ^ c->initstate->flags) & CF_MAXFLAGSVAL)
|| strcmp(c->defstring ? c->defstring : "", c->initstate->defstring ? c->initstate->defstring : "")
|| strcmp(c->string ? c->string : "", c->initstate->string ? c->initstate->string : ""))
{
Con_DPrintf("Cvar_RestoreInitState: Restoring cvar \"%s\"\n", c->name);
if (c->defstring)
Z_Free((char *)c->defstring);
c->defstring = Mem_strdup(zonemempool, c->initstate->defstring);
if (c->string)
Z_Free((char *)c->string);
c->string = Mem_strdup(zonemempool, c->initstate->string);
}
c->flags = c->initstate->flags;
c->value = c->initstate->value;
c->integer = c->initstate->integer;
VectorCopy(c->initstate->vector, c->vector);
cp = &c->next;
}
else
{
if (!(c->flags & CF_ALLOCATED))
{
Con_DPrintf("Cvar_RestoreInitState: Unable to destroy cvar \"%s\", it was registered after init!\n", c->name);
// In this case, at least reset it to the default.
if((c->flags & CF_PERSISTENT) == 0)
Cvar_SetQuick(c, c->defstring);
cp = &c->next;
continue;
}
if (Cvar_IsAutoCvar(c))
{
Con_DPrintf("Cvar_RestoreInitState: Unable to destroy cvar \"%s\", it is an autocvar used by running progs!\n", c->name);
// In this case, at least reset it to the default.
if((c->flags & CF_PERSISTENT) == 0)
Cvar_SetQuick(c, c->defstring);
cp = &c->next;
continue;
}
// remove this cvar, it did not exist at init
Con_DPrintf("Cvar_RestoreInitState: Destroying cvar \"%s\"\n", c->name);
// unlink struct from hash
hashindex = CRC_Block((const unsigned char *)c->name, strlen(c->name)) % CVAR_HASHSIZE;
for (cp2 = &cvars->hashtable[hashindex]->cvar;(c2 = *cp2);)
{
if (c2 == c)
{
*cp2 = cvars->hashtable[hashindex]->next->cvar;
break;
}
else
cp2 = &cvars->hashtable[hashindex]->next->cvar;
}
// unlink struct from main list
*cp = c->next;
// free strings
if (c->defstring)
Z_Free((char *)c->defstring);
if (c->string)
Z_Free((char *)c->string);
if (c->description && c->description != cvar_dummy_description)
Z_Free((char *)c->description);
// free struct
Z_Free(c);
}
}
}
void Cvar_ResetToDefaults_All_f(cmd_state_t *cmd)
{
cvar_state_t *cvars = cmd->cvars;
cvar_t *var;
// restore the default values of all cvars
for (var = cvars->vars ; var ; var = var->next)
{
if((var->flags & CF_PERSISTENT) == 0)
Cvar_SetQuick(var, var->defstring);
}
}
void Cvar_ResetToDefaults_NoSaveOnly_f(cmd_state_t *cmd)
{
cvar_state_t *cvars = cmd->cvars;
cvar_t *var;
// restore the default values of all cvars
for (var = cvars->vars ; var ; var = var->next)
{
if ((var->flags & (CF_PERSISTENT | CF_ARCHIVE)) == 0)
Cvar_SetQuick(var, var->defstring);
}
}
void Cvar_ResetToDefaults_SaveOnly_f(cmd_state_t *cmd)
{
cvar_state_t *cvars = cmd->cvars;
cvar_t *var;
// restore the default values of all cvars
for (var = cvars->vars ; var ; var = var->next)
{
if ((var->flags & (CF_PERSISTENT | CF_ARCHIVE)) == CF_ARCHIVE)
Cvar_SetQuick(var, var->defstring);
}
}
/*
============
Cvar_WriteVariables
Writes lines containing "set variable value" for all variables
with the archive flag set to true.
============
*/
void Cvar_WriteVariables (cvar_state_t *cvars, qfile_t *f)
{
cvar_t *var;
char buf1[MAX_INPUTLINE], buf2[MAX_INPUTLINE];
// don't save cvars that match their default value
for (var = cvars->vars ; var ; var = var->next) {
if ((var->flags & CF_ARCHIVE) && (strcmp(var->string, var->defstring) || ((var->flags & CF_ALLOCATED) && !(var->flags & CF_DEFAULTSET))))
{
Cmd_QuoteString(buf1, sizeof(buf1), var->name, "\"\\$", false);
Cmd_QuoteString(buf2, sizeof(buf2), var->string, "\"\\$", false);
FS_Printf(f, "%s\"%s\" \"%s\"\n", var->flags & CF_ALLOCATED ? "seta " : "", buf1, buf2);
}
}
}
// Added by EvilTypeGuy [email protected]
// 2000-01-09 CvarList command By Matthias "Maddes" Buecher, http://www.inside3d.com/qip/
/*
=========
Cvar_List
=========
*/
void Cvar_List_f(cmd_state_t *cmd)
{
cvar_state_t *cvars = cmd->cvars;
cvar_t *cvar;
const char *partial;
int count;
qbool ispattern;
char vabuf[1024];
if (Cmd_Argc(cmd) > 1)
{
partial = Cmd_Argv(cmd, 1);
ispattern = (strchr(partial, '*') || strchr(partial, '?'));
if(!ispattern)
partial = va(vabuf, sizeof(vabuf), "%s*", partial);
}
else
{
partial = va(vabuf, sizeof(vabuf), "*");
ispattern = false;
}
count = 0;
for (cvar = cvars->vars; cvar; cvar = cvar->next)
{
if (matchpattern_with_separator(cvar->name, partial, false, "", false))
{
Cvar_PrintHelp(cvar, cvar->name, true);
count++;
}
for (int i = 0; i < cvar->aliasindex; i++)
{
if (matchpattern_with_separator(cvar->aliases[i], partial, false, "", false))
{
Cvar_PrintHelp(cvar, cvar->aliases[i], true);
count++;
}
}
}
if (Cmd_Argc(cmd) > 1)
{
if(ispattern)
Con_Printf("%i cvar%s matching \"%s\"\n", count, (count > 1) ? "s" : "", partial);
else