cvar.c File Reference

#include "quakedef.h"

Include dependency graph for cvar.c:

Go to the source code of this file.

Functions
void	Cvar_Callback (cvar_t *var)
qbool	Cvar_Command (cmd_state_t *cmd)
const char **	Cvar_CompleteBuildList (cvar_state_t *cvars, const char *partial, unsigned neededflags)
int	Cvar_CompleteCountPossible (cvar_state_t *cvars, const char *partial, unsigned neededflags)
void	Cvar_CompleteCvarPrint (cvar_state_t *cvars, const char *partial, unsigned neededflags)
const char *	Cvar_CompleteVariable (cvar_state_t *cvars, const char *partial, unsigned neededflags)
void	Cvar_Del_f (cmd_state_t *cmd)
static qbool	Cvar_Delete (cvar_state_t *cvars, const char *name, const char *callername)
	For "quiet" mode pass NULL as the callername.
cvar_t *	Cvar_FindVar (cvar_state_t *cvars, const char *var_name, unsigned neededflags)
cvar_t *	Cvar_FindVarAfter (cvar_state_t *cvars, const char *prev_var_name, unsigned neededflags)
static cvar_hash_t **	Cvar_FindVarLink (cvar_state_t *cvars, const char *var_name, cvar_t **prev_alpha, unsigned neededflags)
	Returns a pointer to the pointer stored in hashtable[] (or the one it links to) because we'll need to update that when deleting a cvar as other cvar(s) may share its hashindex.
cvar_t *	Cvar_Get (cvar_state_t *cvars, const char *name, const char *value, unsigned flags, const char *newdescription)
	allocates a cvar by name and returns its address, or merely sets its value if it already exists.
static const char *	Cvar_IsAutoCvar (cvar_t *var)
	Check if a cvar is held by some progs in which case its name is returned, otherwise NULL.
static void	Cvar_Link (cvar_t *variable, cvar_state_t *cvars)
void	Cvar_List_f (cmd_state_t *cmd)
void	Cvar_LockDefaults_f (cmd_state_t *cmd)
void	Cvar_PrintHelp (cvar_t *cvar, const char *name, qbool full)
qbool	Cvar_Readonly (cvar_t *var, const char *cmd_name)
void	Cvar_RegisterCallback (cvar_t *variable, void(*callback)(cvar_t *))
void	Cvar_RegisterVariable (cvar_t *variable)
	registers a cvar that already has the name, string, and optionally the archive elements set.
void	Cvar_RegisterVirtual (cvar_t *variable, const char *name)
void	Cvar_ResetToDefaults_All_f (cmd_state_t *cmd)
void	Cvar_ResetToDefaults_NoSaveOnly_f (cmd_state_t *cmd)
void	Cvar_ResetToDefaults_SaveOnly_f (cmd_state_t *cmd)
void	Cvar_RestoreInitState (cvar_state_t *cvars)
void	Cvar_SaveInitState (cvar_state_t *cvars)
void	Cvar_Set (cvar_state_t *cvars, const char *var_name, const char *value)
	equivelant to "<name> <variable>" typed at the console
void	Cvar_Set_f (cmd_state_t *cmd)
void	Cvar_SetA_f (cmd_state_t *cmd)
void	Cvar_SetQuick (cvar_t *var, const char *value)
static void	Cvar_SetQuick_Internal (cvar_t *var, const char *value)
void	Cvar_SetValue (cvar_state_t *cvars, const char *var_name, float value)
	expands value to a string and calls Cvar_Set
void	Cvar_SetValueQuick (cvar_t *var, float value)
void	Cvar_UnlockDefaults (cmd_state_t *cmd)
void	Cvar_UpdateAllAutoCvars (cvar_state_t *cvars)
	called after loading a savegame
static void	Cvar_UpdateAutoCvar (cvar_t *var)
	we assume that prog is already set to the target progs
const char *	Cvar_VariableDefString (cvar_state_t *cvars, const char *var_name, unsigned neededflags)
const char *	Cvar_VariableDescription (cvar_state_t *cvars, const char *var_name, unsigned neededflags)
const char *	Cvar_VariableString (cvar_state_t *cvars, const char *var_name, unsigned neededflags)
const char *	Cvar_VariableStringOr (cvar_state_t *cvars, const char *var_name, const char *def, unsigned neededflags)
float	Cvar_VariableValue (cvar_state_t *cvars, const char *var_name, unsigned neededflags)
float	Cvar_VariableValueOr (cvar_state_t *cvars, const char *var_name, float def, unsigned neededflags)
void	Cvar_WriteVariables (cvar_state_t *cvars, qfile_t *f)

Variables
const char *	cvar_dummy_description = "custom cvar"
static const char *	cvar_null_string = ""
cvar_state_t	cvars_all
cvar_state_t	cvars_null
cvar_t	sv_disablenotify

Function Documentation

Cvar_Callback()

void Cvar_Callback

(

cvar_t *

var

)

Definition at line 372 of file cvar.c.

{
    if (var == NULL)
    {
        Con_Print(CON_WARN "Cvar_Callback: var == NULL\n");
        return;
    }
 
    if(var->callback)
        var->callback(var);
}

References cvar_t::callback, Con_Print(), CON_WARN, and NULL.

Referenced by CL_DisconnectEx(), CL_FinishTimeDemo(), CL_Init(), CL_TimeDemo_f(), Cvar_SetQuick_Internal(), SV_Init(), and VID_InitModeGL().

Cvar_Command()

qbool Cvar_Command

(

cmd_state_t *

cmd

)

Definition at line 833 of file cvar.c.

{
    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;
}

References cmd(), Cmd_Argc(), Cmd_Argv(), Con_DPrint(), Cvar_FindVar(), Cvar_PrintHelp(), Cvar_Readonly(), Cvar_SetQuick(), developer_extra, cvar_t::integer, NULL, and v.

Referenced by Cmd_ExecuteString().

Cvar_CompleteBuildList()

const char ** Cvar_CompleteBuildList	(	cvar_state_t *	cvars,
		const char *	partial,
		unsigned	neededflags )

Definition at line 250 of file cvar.c.

{
    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 (char **alias = cvar->aliases; alias && *alias; alias++)
                if (!strncasecmp(partial, *alias, len) && (cvar->flags & neededflags))
                    buf[bpos++] = *alias;
        
 
    buf[bpos] = NULL;
    return buf;
}

References buf, cvar(), Cvar_CompleteCountPossible(), Mem_Alloc, NULL, strlen(), tempmempool, and cvar_state_t::vars.

Referenced by Con_CompleteCommandLine().

Cvar_CompleteCountPossible()

int Cvar_CompleteCountPossible	(	cvar_state_t *	cvars,
		const char *	partial,
		unsigned	neededflags )

Definition at line 217 of file cvar.c.

{
    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 (char **alias = cvar->aliases; alias && *alias; alias++)
                if (!strncasecmp(partial, *alias, len) && (cvar->flags & neededflags))
                    h++;
        
    return h;
}

References cvar(), strlen(), and cvar_state_t::vars.

Referenced by Con_CompleteCommandLine(), and Cvar_CompleteBuildList().

Cvar_CompleteCvarPrint()

void Cvar_CompleteCvarPrint	(	cvar_state_t *	cvars,
		const char *	partial,
		unsigned	neededflags )

Definition at line 288 of file cvar.c.

{
    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 (char **alias = cvar->aliases; alias && *alias; alias++)
                if (!strncasecmp (partial, *alias, len) && (cvar->flags & neededflags))
                    Cvar_PrintHelp(cvar, *alias, true);
 
        
}

References cvar(), Cvar_PrintHelp(), strlen(), and cvar_state_t::vars.

Referenced by Con_CompleteCommandLine().

Cvar_CompleteVariable()

const char * Cvar_CompleteVariable	(	cvar_state_t *	cvars,
		const char *	partial,
		unsigned	neededflags )

Definition at line 190 of file cvar.c.

{
    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;
}

References cvar(), NULL, strlen(), and cvar_state_t::vars.

Cvar_Del_f()

void Cvar_Del_f

(

cmd_state_t *

cmd

)

Definition at line 1110 of file cvar.c.

{
    cvar_state_t *cvars = cmd->cvars;
    int i;
 
    if(Cmd_Argc(cmd) < 2)
    {
        Con_Printf("%s: wrong number of parameters, usage: unset <variablename1> [<variablename2> ...]\n", Cmd_Argv(cmd, 0));
        return;
    }
    for(i = 1; i < Cmd_Argc(cmd); ++i)
        Cvar_Delete(cvars, Cmd_Argv(cmd, i), Cmd_Argv(cmd, 0));
}

References cmd(), Cmd_Argc(), Cmd_Argv(), Con_Printf(), Cvar_Delete(), and i.

Referenced by Cmd_Init().

Cvar_Delete()

static qbool Cvar_Delete ( cvar_state_t * cvars, const char * name, const char * callername )

static

For "quiet" mode pass NULL as the callername.

Returns true if the cvar was deleted.

Definition at line 766 of file cvar.c.

{
    cvar_t *cvar, *prev;
    cvar_hash_t **hashlinkptr, *oldhashlink;
    const char *progname;
 
    hashlinkptr = Cvar_FindVarLink(cvars, name, &prev, ~0);
    if(!hashlinkptr)
    {
        if (callername)
            Con_Printf("%s: cvar \"%s\" is not defined.\n", callername, name);
        return false;
    }
    cvar = (*hashlinkptr)->cvar;
 
    if(!(cvar->flags & CF_ALLOCATED))
    {
        if (callername)
            Con_Printf(CON_WARN "%s: engine cvar \"%s\" cannot be deleted!\n", callername, cvar->name);
        return false;
    }
    if ((progname = Cvar_IsAutoCvar(cvar)))
    {
        if (callername)
            Con_Printf(CON_WARN "%s: unable to delete cvar \"%s\", it is an autocvar used by running %s progs!\n", callername, cvar->name, progname);
        return false;
    }
 
    if(cvar == cvars->vars)
        cvars->vars = cvar->next;
    else
        prev->next = cvar->next;
 
    if(cvar->description != cvar_dummy_description)
        Z_Free((char *)cvar->description);
    Z_Free((char *)cvar->name);
    Z_Free((char *)cvar->string);
    Z_Free((char *)cvar->defstring);
    Z_Free(cvar);
 
    oldhashlink = *hashlinkptr;
    *hashlinkptr = (*hashlinkptr)->next;
    Z_Free(oldhashlink);
 
    return true;
}

References CF_ALLOCATED, Con_Printf(), CON_WARN, cvar(), cvar_dummy_description, Cvar_FindVarLink(), Cvar_IsAutoCvar(), name, cvar_hash_t::next, cvar_t::next, cvar_state_t::vars, and Z_Free.

Referenced by Cvar_Del_f(), and Cvar_RestoreInitState().

Cvar_FindVar()

cvar_t * Cvar_FindVar	(	cvar_state_t *	cvars,
		const char *	var_name,
		unsigned	neededflags )

Definition at line 36 of file cvar.c.

{
    unsigned 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 (char **alias = hash->cvar->aliases; alias && *alias; alias++)
                if (!strcmp (var_name, *alias) && (hash->cvar->flags & neededflags))
                    return hash->cvar;
    return NULL;
}

References cvar_t::aliases, CRC_Block(), cvar_hash_t::cvar, CVAR_HASHSIZE, cvar_t::flags, cvar_state_t::hashtable, cvar_t::name, cvar_hash_t::next, NULL, and strlen().

Referenced by CL_SendCvar_f(), Cmd_AddCommand(), Cmd_GetDirectCvarValue(), Cmd_Toggle_f(), Cvar_Command(), Cvar_FindVarAfter(), Cvar_Get(), Cvar_RegisterVariable(), Cvar_RegisterVirtual(), Cvar_Set(), Cvar_Set_f(), Cvar_SetA_f(), Cvar_VariableDefString(), Cvar_VariableDescription(), Cvar_VariableStringOr(), Cvar_VariableValueOr(), LoadSubtitles(), PRVM_Cvar_ReadOk(), PRVM_ED_EdictGet_f(), PRVM_ED_GlobalGet_f(), PRVM_Prog_Load(), VID_InitMode(), VM_cvar_set(), VM_cvar_type(), and VM_registercvar().

Cvar_FindVarAfter()

cvar_t * Cvar_FindVarAfter	(	cvar_state_t *	cvars,
		const char *	prev_var_name,
		unsigned	neededflags )

Definition at line 53 of file cvar.c.

{
    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;
}

References Cvar_FindVar(), cvar_t::flags, cvar_t::next, NULL, and cvar_state_t::vars.

Referenced by NetConn_ServerParsePacket().

Cvar_FindVarLink()

static cvar_hash_t ** Cvar_FindVarLink ( cvar_state_t * cvars, const char * var_name, cvar_t ** prev_alpha, unsigned neededflags )

static

Returns a pointer to the pointer stored in hashtable[] (or the one it links to) because we'll need to update that when deleting a cvar as other cvar(s) may share its hashindex.

Definition at line 81 of file cvar.c.

{
    unsigned hashindex;
    cvar_t *cvar;
    cvar_hash_t **hashlinkptr;
 
    // use hash lookup to minimize search time
    hashindex = CRC_Block((const unsigned char *)var_name, strlen(var_name)) % CVAR_HASHSIZE;
    if(prev_alpha) *prev_alpha = NULL;
    hashlinkptr = &cvars->hashtable[hashindex];
    for (hashlinkptr = &cvars->hashtable[hashindex]; *hashlinkptr; hashlinkptr = &(*hashlinkptr)->next)
    {
        cvar = (*hashlinkptr)->cvar;
        if (!strcmp (var_name, cvar->name) && (cvar->flags & neededflags))
            goto match;
        else
            for (char **alias = cvar->aliases; alias && *alias; alias++)
                if (!strcmp (var_name, *alias) && (cvar->flags & neededflags))
                    goto match;
    }
    return NULL;
 
match:
    if(!prev_alpha || cvar == cvars->vars)
        return hashlinkptr;
    *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 != cvar)
        *prev_alpha = (*prev_alpha)->next;
    return hashlinkptr;
}

References CRC_Block(), cvar(), CVAR_HASHSIZE, cvar_state_t::hashtable, cvar_hash_t::next, cvar_t::next, NULL, strlen(), and cvar_state_t::vars.

Referenced by Cvar_Delete().

Cvar_Get()

cvar_t * Cvar_Get	(	cvar_state_t *	cvars,
		const char *	name,
		const char *	value,
		unsigned	flags,
		const char *	newdescription )

allocates a cvar by name and returns its address, or merely sets its value if it already exists.

Definition at line 695 of file cvar.c.

{
    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 = Z_strdup(newdescription);
            else
                cvar->description = cvar_dummy_description;
        }
        return cvar;
    }
 
    // check for pure evil
    if (!*name)
    {
        Con_Printf(CON_WARN "Cvar_Get: invalid variable name\n");
        return NULL;
    }
 
    // check for overlap with a command
    if (Cmd_Exists(cmd_local, name))
    {
        Con_Printf(CON_WARN "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 = Z_strdup(name);
    cvar->string = Z_strdup(value);
    cvar->defstring = Z_strdup(value);
    cvar->value = atof (cvar->string);
    cvar->integer = (int) cvar->value;
    cvar->aliases = NULL;
    cvar->aliases_size = 0;
    cvar->initstring = NULL;
 
    if(newdescription && *newdescription)
        cvar->description = Z_strdup(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;
}

References CF_ALLOCATED, Cmd_Exists(), cmd_local, Con_DPrintf(), Con_Printf(), CON_WARN, cvar(), cvar_dummy_description, Cvar_FindVar(), Cvar_Link(), Cvar_SetQuick_Internal(), developer_extra, flags, i, int(), cvar_t::integer, name, NULL, PRVM_PROG_MAX, value, Z_Free, Z_Malloc, and Z_strdup.

Referenced by Cvar_Set_f(), Cvar_SetA_f(), Mod_VBSP_Load(), PRVM_ED_EdictGet_f(), PRVM_ED_GlobalGet_f(), PRVM_Prog_Load(), and VM_registercvar().

Cvar_IsAutoCvar()

static const char * Cvar_IsAutoCvar ( cvar_t * var )

static

Check if a cvar is held by some progs in which case its name is returned, otherwise NULL.

Definition at line 306 of file cvar.c.

{
    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 prog->name;
    }
    return NULL;
}

References cvar_t::globaldefindex, i, prvm_prog_t::loaded, prvm_prog_t::name, NULL, prvm_prog_list, and PRVM_PROG_MAX.

Referenced by Cvar_Delete().

Cvar_Link()

static void Cvar_Link ( cvar_t * variable, cvar_state_t * cvars )

static

Definition at line 567 of file cvar.c.

{
    cvar_t *current, *next;
    cvar_hash_t *hash;
    unsigned 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;
}

References CRC_Block(), cvar_hash_t::cvar, CVAR_HASHSIZE, cvar_state_t::hashtable, cvar_t::name, cvar_hash_t::next, cvar_t::next, NULL, strlen(), cvar_state_t::vars, and Z_Malloc.

Referenced by Cvar_Get(), and Cvar_RegisterVariable().

Cvar_List_f()

void Cvar_List_f

(

cmd_state_t *

cmd

)

Definition at line 1008 of file cvar.c.

{
    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 (char **alias = cvar->aliases; alias && *alias; alias++)
        {
            if (matchpattern_with_separator(*alias, partial, false, "", false))
            {
                Cvar_PrintHelp(cvar, *alias, true);
                count++;
            }
        }
    }
 
    if (Cmd_Argc(cmd) > 1)
    {
        if(ispattern)
            Con_Printf("%i cvar%s matching \"%s\"\n", count, (count > 1) ? "s" : "", partial);
        else
            Con_Printf("%i cvar%s beginning with \"%s\"\n", count, (count > 1) ? "s" : "", Cmd_Argv(cmd,1));
    }
    else
        Con_Printf("%i cvar(s)\n", count);
}

References cmd(), Cmd_Argc(), Cmd_Argv(), Con_Printf(), count, cvar(), Cvar_PrintHelp(), matchpattern_with_separator(), va(), and cvar_state_t::vars.

Referenced by Cmd_Init().

Cvar_LockDefaults_f()

void Cvar_LockDefaults_f

(

cmd_state_t *

cmd

)

Definition at line 871 of file cvar.c.

{
    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);
        }
    }
}

References CF_DEFAULTSET, cmd(), cvar_t::defstring, cvar_t::flags, cvar_t::next, cvar_t::string, strlen(), cvar_state_t::vars, Z_Free, and Z_Malloc.

Referenced by Cmd_Init().

Cvar_PrintHelp()

void Cvar_PrintHelp	(	cvar_t *	cvar,
		const char *	name,
		qbool	full )

Definition at line 274 of file cvar.c.

{
    // Aliases are purple, cvars are yellow
    if (strcmp(cvar->name, name))
        Con_Printf("^6%s^7 (alias of ^3%s^7)", name, cvar->name);
    else
        Con_Printf("^3%s^7", name);
    Con_Printf(" is \"%s^7\" [\"%s^7\"]", ((cvar->flags & CF_PRIVATE) ? "********"/*hunter2*/ : cvar->string), cvar->defstring);
    if (full)
        Con_Printf(" %s", cvar->description);
    Con_Print("\n");
}

References CF_PRIVATE, Con_Print(), Con_Printf(), cvar(), and name.

Referenced by Cmd_Apropos_f(), Cvar_Command(), Cvar_CompleteCvarPrint(), and Cvar_List_f().

Cvar_Readonly()

qbool Cvar_Readonly	(	cvar_t *	var,
		const char *	cmd_name )

Definition at line 813 of file cvar.c.

{
    if (var->flags & CF_READONLY)
    {
        Con_Print(CON_WARN);
        if(cmd_name)
            Con_Printf("%s: ",cmd_name);
        Con_Printf("%s is read-only\n", var->name);
        return true;
    }
    return false;
}

References CF_READONLY, Con_Print(), Con_Printf(), CON_WARN, cvar_t::flags, and cvar_t::name.

Referenced by Cvar_Command(), Cvar_Set_f(), Cvar_SetA_f(), PRVM_ED_EdictGet_f(), and PRVM_ED_GlobalGet_f().

Cvar_RegisterCallback()

void Cvar_RegisterCallback	(	cvar_t *	variable,
		void(*	callback )(cvar_t *) )

Definition at line 495 of file cvar.c.

{
    if (variable == NULL)
    {
        Con_Print(CON_WARN "Cvar_RegisterCallback: var == NULL\n");
        return;
    }
 
    if (!(variable->flags & cmd_local->cvars_flagsmask))
    {
        if (developer_extra.integer)
            Con_DPrintf("^6Cvar_RegisterCallback: rejecting cvar \"%s\"\n", variable->name);
        return;
    }
 
    variable->callback = callback;
}

References cvar_t::callback, cmd_local, Con_DPrintf(), Con_Print(), CON_WARN, cmd_state_t::cvars_flagsmask, developer_extra, cvar_t::flags, cvar_t::integer, cvar_t::name, and NULL.

Referenced by CL_InitCommands(), Con_Init(), Host_InitLocal(), NetConn_Init(), SV_Init(), SV_InitOperatorCommands(), Sys_Init_Commands(), and VID_Init().

Cvar_RegisterVariable()

void Cvar_RegisterVariable

(

cvar_t *

variable

)

registers a cvar that already has the name, string, and optionally the archive elements set.

Definition at line 599 of file cvar.c.

{
    cvar_state_t *cvars = &cvars_all;
    cvar_t *current, *cvar;
    int i;
 
    if (!(variable->flags & cmd_local->cvars_flagsmask))
    {
        if (developer_extra.integer)
            Con_DPrintf("^2Cvar_RegisterVariable: rejecting cvar \"%s\"\n", variable->name);
        return;
    }
 
    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 &= ~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_local, variable->name))
    {
        Con_Printf(CON_WARN "Cvar_RegisterVariable: %s is a command\n", variable->name);
        return;
    }
 
    // copy the value off, because future sets will Z_Free it
    variable->name = Z_strdup(variable->name);
    variable->string = Z_strdup(variable->string);
    variable->defstring = Z_strdup(variable->string);
    variable->value = atof (variable->string);
    variable->integer = (int) variable->value;
    variable->aliases = NULL;
    variable->aliases_size = 0;
    variable->initstring = NULL;
 
    // Mark it as not an autocvar.
    for (i = 0;i < PRVM_PROG_MAX;i++)
        variable->globaldefindex[i] = -1;
 
    // Safe for Cvar_SetQuick()
    variable->flags |= CF_REGISTERED;
 
    Cvar_Link(variable, cvars);
}

References cvar_t::aliases, cvar_t::aliases_size, CF_ALLOCATED, CF_REGISTERED, Cmd_Exists(), cmd_local, Con_DPrintf(), Con_Printf(), CON_WARN, cvar(), Cvar_FindVar(), Cvar_Link(), cvars_all, cmd_state_t::cvars_flagsmask, cvar_t::defstring, developer_extra, cvar_t::flags, cvar_t::globaldefindex, cvar_t::globaldefindex_stringno, i, cvar_t::initstring, int(), cvar_t::integer, cvar_t::name, cvar_t::next, NULL, PRVM_PROG_MAX, cvar_t::string, cvar_t::value, cvar_state_t::vars, Z_Free, and Z_strdup.

Referenced by CDAudio_Init(), CL_Demo_Init(), CL_Init(), CL_InitCommands(), CL_InitInput(), CL_Parse_Init(), CL_Particles_Init(), CL_Screen_Init(), CL_Video_Init(), Collision_Init(), COM_Init_Commands(), Con_Init(), Crypto_Init_Commands(), Curl_Init_Commands(), Font_Init(), FS_Init_Commands(), gl_backend_init(), GL_Draw_Init(), GL_Main_Init(), GL_Surf_Init(), Host_InitLocal(), Host_InitSession(), Key_Init(), LibAvW_OpenLibrary(), Memory_Init_Commands(), Mod_AliasInit(), Mod_BrushInit(), Mod_Init(), Mod_SpriteInit(), MR_Init_Commands(), NetConn_Init(), Palette_Init(), PRVM_Init(), R_Explosion_Init(), R_LightningBeams_Init(), R_Particles_Init(), R_Shadow_EditLights_Init(), R_Shadow_Init(), R_Sky_Init(), R_Textures_Init(), S_Init(), Sbar_Init(), SCR_CaptureVideo_Ogg_Init(), SV_Init(), SV_InitOperatorCommands(), Sys_Init_Commands(), TaskQueue_Init(), u8_Init(), V_Init(), VID_Init(), and VID_Shared_Init().

Cvar_RegisterVirtual()

void Cvar_RegisterVirtual	(	cvar_t *	variable,
		const char *	name )

Definition at line 513 of file cvar.c.

{
    cvar_state_t *cvars = &cvars_all;
    cvar_hash_t *hash;
    unsigned hashindex;
 
    if (!(variable->flags & cmd_local->cvars_flagsmask))
    {
        if (developer_extra.integer)
            Con_DPrintf("^6Cvar_RegisterVirtual: rejecting cvar \"%s\" alias \"%s\"\n", variable->name, name);
        return;
    }
 
    if(!*name)
    {
        Con_Printf(CON_WARN "Cvar_RegisterVirtual: invalid virtual cvar name\n");
        return;
    }
 
    // check for overlap with a command
    if (Cmd_Exists(cmd_local, name))
    {
        Con_Printf(CON_WARN "Cvar_RegisterVirtual: %s is a command\n", name);
        return;
    }
 
    if(Cvar_FindVar(&cvars_all, name, 0))
    {
        Con_Printf(CON_WARN "Cvar_RegisterVirtual: %s is a cvar\n", name);
        return;
    }
 
    // Resize the variable->aliases list to have room for another entry and a null terminator.
    // This zero-pads when resizing, so we don't need to write the NULL terminator manually here.
    // Also if aliases is NULL this allocates fresh for the correct size, so it's fine to just do this.
    variable->aliases = (char **)Z_Realloc(variable->aliases, sizeof(char *) * (variable->aliases_size + 2));
    // Add the new alias, and increment the number of aliases in the list
    variable->aliases[variable->aliases_size++] = Z_strdup(name);
 
    // 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 *)name, strlen(name)) % CVAR_HASHSIZE;
    hash->next = cvars->hashtable[hashindex];
    cvars->hashtable[hashindex] = hash;
    hash->cvar = variable;
}

References cvar_t::aliases, cvar_t::aliases_size, Cmd_Exists(), cmd_local, Con_DPrintf(), Con_Printf(), CON_WARN, CRC_Block(), cvar_hash_t::cvar, Cvar_FindVar(), CVAR_HASHSIZE, cvars_all, cmd_state_t::cvars_flagsmask, developer_extra, cvar_t::flags, cvar_state_t::hashtable, cvar_t::integer, cvar_t::name, name, cvar_hash_t::next, strlen(), Z_Malloc, Z_Realloc, and Z_strdup.

Referenced by CL_InitCommands(), CL_Screen_Init(), COM_Init_Commands(), Curl_Init_Commands(), NetConn_Init(), Sbar_Init(), and SV_Init().

Cvar_ResetToDefaults_All_f()

void Cvar_ResetToDefaults_All_f

(

cmd_state_t *

cmd

)

Definition at line 940 of file cvar.c.

{
    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_READONLY)) == 0)
            Cvar_SetQuick(var, var->defstring);
    }
}

References CF_PERSISTENT, CF_READONLY, cmd(), Cvar_SetQuick(), cvar_t::defstring, cvar_t::flags, cvar_t::next, and cvar_state_t::vars.

Referenced by Cmd_Init().

Cvar_ResetToDefaults_NoSaveOnly_f()

void Cvar_ResetToDefaults_NoSaveOnly_f

(

cmd_state_t *

cmd

)

Definition at line 952 of file cvar.c.

{
    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_READONLY | CF_ARCHIVE)) == 0)
            Cvar_SetQuick(var, var->defstring);
    }
}

References CF_ARCHIVE, CF_PERSISTENT, CF_READONLY, cmd(), Cvar_SetQuick(), cvar_t::defstring, cvar_t::flags, cvar_t::next, and cvar_state_t::vars.

Referenced by Cmd_Init().

Cvar_ResetToDefaults_SaveOnly_f()

void Cvar_ResetToDefaults_SaveOnly_f

(

cmd_state_t *

cmd

)

Definition at line 965 of file cvar.c.

{
    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_READONLY | CF_ARCHIVE)) == CF_ARCHIVE)
            Cvar_SetQuick(var, var->defstring);
    }
}

References CF_ARCHIVE, CF_PERSISTENT, CF_READONLY, cmd(), Cvar_SetQuick(), cvar_t::defstring, cvar_t::flags, cvar_t::next, and cvar_state_t::vars.

Referenced by Cmd_Init().

Cvar_RestoreInitState()

void Cvar_RestoreInitState

(

cvar_state_t *

cvars

)

Definition at line 901 of file cvar.c.

{
    cvar_t *c, *cp;
 
    for (cp = cvars->vars; (c = cp);)
    {
        cp = c->next; // get next cvar now in case we delete this cvar
 
        if (c->initstring)
        {
            // restore this cvar, it existed at init
            Con_DPrintf("Cvar_RestoreInitState: Restoring cvar \"%s\"\n", c->name);
 
            /* bones_was_here: intentionally NOT restoring defstring in this function.
             * The only callsite, Host_LoadConfig_f, will re-exec quake.rc, default.cfg, etc.
             * Defaults are unlocked here, so Cvar_LockDefaults_f will reset the defstring.
             * This is more correct than restoring the defstring here
             * because a gamedir change could load configs that should change defaults.
             */
 
            Cvar_SetQuick(c, c->initstring);
            c->flags &= ~CF_DEFAULTSET;
        }
        else if (!(c->flags & (CF_PERSISTENT | CF_READONLY))) // cvars with those flags have no initstring AND may not be deleted or reset
        {
            // remove this cvar, it did not exist at init
            Con_DPrintf("Cvar_RestoreInitState: cvar \"%s\"", c->name);
            if (Cvar_Delete(cvars, c->name, NULL))
                Con_DPrint("deleted.\n");
            else
            {
                // In this case, at least reset it to the default.
                Con_DPrint("reset.\n");
                Cvar_SetQuick(c, c->defstring);
            }
        }
    }
}

References CF_PERSISTENT, CF_READONLY, Con_DPrint(), Con_DPrintf(), Cvar_Delete(), Cvar_SetQuick(), cvar_t::defstring, cvar_t::flags, cvar_t::initstring, cvar_t::name, cvar_t::next, NULL, and cvar_state_t::vars.

Referenced by Cmd_RestoreInitState().

Cvar_SaveInitState()

void Cvar_SaveInitState

(

cvar_state_t *

cvars

)

Definition at line 892 of file cvar.c.

{
    cvar_t *c;
 
    for (c = cvars->vars;c;c = c->next)
        if ((c->flags & (CF_PERSISTENT | CF_READONLY)) == 0)
            c->initstring = Z_strdup(c->string);
}

References CF_PERSISTENT, CF_READONLY, cvar_t::flags, cvar_t::initstring, cvar_t::next, cvar_t::string, cvar_state_t::vars, and Z_strdup.

Referenced by Cmd_SaveInitState().

Cvar_Set()

void Cvar_Set	(	cvar_state_t *	cvars,
		const char *	var_name,
		const char *	value )

equivelant to "<name> <variable>" typed at the console

Definition at line 456 of file cvar.c.

{
    cvar_t *var;
    var = Cvar_FindVar(cvars, var_name, ~0);
    if (var == NULL)
    {
        Con_Printf(CON_WARN "Cvar_Set: variable %s not found\n", var_name);
        return;
    }
    Cvar_SetQuick(var, value);
}

References Con_Printf(), CON_WARN, Cvar_FindVar(), Cvar_SetQuick(), NULL, and value.

Referenced by Cvar_SetValue(), and SV_Map_f().

Cvar_Set_f()

void Cvar_Set_f

(

cmd_state_t *

cmd

)

Definition at line 1060 of file cvar.c.

{
    cvar_state_t *cvars = cmd->cvars;
    cvar_t *cvar;
 
    // make sure it's the right number of parameters
    if (Cmd_Argc(cmd) < 3)
    {
        Con_Printf("Set: wrong number of parameters, usage: set <variablename> <value> [<description>]\n");
        return;
    }
 
    // check if it's read-only
    cvar = Cvar_FindVar(cvars, Cmd_Argv(cmd, 1), ~0);
    if (cvar)
        if(Cvar_Readonly(cvar,"Set"))
            return;
 
    if (developer_extra.integer)
        Con_DPrint("Set: ");
 
    // all looks ok, create/modify the cvar
    Cvar_Get(cvars, Cmd_Argv(cmd, 1), Cmd_Argv(cmd, 2), cmd->cvars_flagsmask, Cmd_Argc(cmd) > 3 ? Cmd_Argv(cmd, 3) : NULL);
}

References cmd(), Cmd_Argc(), Cmd_Argv(), Con_DPrint(), Con_Printf(), cvar(), Cvar_FindVar(), Cvar_Get(), Cvar_Readonly(), developer_extra, cvar_t::integer, and NULL.

Referenced by Cmd_Init().

Cvar_SetA_f()

void Cvar_SetA_f

(

cmd_state_t *

cmd

)

Definition at line 1085 of file cvar.c.

{
    cvar_state_t *cvars = cmd->cvars;
    cvar_t *cvar;
 
    // make sure it's the right number of parameters
    if (Cmd_Argc(cmd) < 3)
    {
        Con_Printf("SetA: wrong number of parameters, usage: seta <variablename> <value> [<description>]\n");
        return;
    }
 
    // check if it's read-only
    cvar = Cvar_FindVar(cvars, Cmd_Argv(cmd, 1), ~0);
    if (cvar)
        if(Cvar_Readonly(cvar,"SetA"))
            return;
 
    if (developer_extra.integer)
        Con_DPrint("SetA: ");
 
    // all looks ok, create/modify the cvar
    Cvar_Get(cvars, Cmd_Argv(cmd, 1), Cmd_Argv(cmd, 2), cmd->cvars_flagsmask | CF_ARCHIVE, Cmd_Argc(cmd) > 3 ? Cmd_Argv(cmd, 3) : NULL);
}

References CF_ARCHIVE, cmd(), Cmd_Argc(), Cmd_Argv(), Con_DPrint(), Con_Printf(), cvar(), Cvar_FindVar(), Cvar_Get(), Cvar_Readonly(), developer_extra, cvar_t::integer, and NULL.

Referenced by Cmd_Init().

Cvar_SetQuick()

void Cvar_SetQuick	(	cvar_t *	var,
		const char *	value )

Definition at line 436 of file cvar.c.

{
    if (var == NULL)
    {
        Con_Print(CON_WARN "Cvar_SetQuick: var == NULL\n");
        return;
    }
 
    if (!(var->flags & CF_REGISTERED) && !(var->flags & CF_ALLOCATED))
    {
        Con_Printf(CON_WARN "Warning: Cvar_SetQuick() cannot set unregistered cvar \"%s\"\n", var->name);
        return; // setting an unregistered engine cvar crashes
    }
 
    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);
}

References CF_ALLOCATED, CF_REGISTERED, Con_DPrintf(), Con_Print(), Con_Printf(), CON_WARN, Cvar_SetQuick_Internal(), cvar_t::defstring, developer_extra, cvar_t::flags, cvar_t::integer, cvar_t::name, NULL, cvar_t::string, and value.

Referenced by CL_Bottomcolor_c(), CL_Color_c(), CL_Connect_f(), CL_Name_f(), CL_NetworkTimeReceived(), CL_ParseServerInfo(), CL_Screen_Init(), CL_SetupWorldModel(), CL_StopPlayback(), CL_Topcolor_c(), Cmd_Toggle_f(), COM_Init_Commands(), Con_Init(), Con_RCon_ClearPassword_c(), Cvar_Command(), Cvar_ResetToDefaults_All_f(), Cvar_ResetToDefaults_NoSaveOnly_f(), Cvar_ResetToDefaults_SaveOnly_f(), Cvar_RestoreInitState(), Cvar_Set(), Cvar_SetValueQuick(), em_on_resize(), FOG_clear(), FS_Rescan(), GL_CheckExtension(), GL_Main_Init(), GL_Setup(), Host_InitSession(), M_GameOptions_Draw(), M_GameOptions_Key(), Mod_BrushInit(), NetConn_Init(), R_Shadow_EditLights_DrawSelectedLightProperties(), SV_MaxPlayers_f(), SV_ServerOptions(), SV_SpawnServer(), VID_ClearExtensions(), VID_InitModeGL(), VID_Start(), and VM_cvar_set().

Cvar_SetQuick_Internal()

static void Cvar_SetQuick_Internal ( cvar_t * var, const char * value )

static

Definition at line 390 of file cvar.c.

{
    qbool changed;
    size_t valuelen;
 
    changed = strcmp(var->string, value) != 0;
    // LadyHavoc: don't reallocate when there is no change
    if (!changed)
        goto cvar_callback;
 
    // 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);
 
cvar_callback:
    // Call the function stored in the cvar for bounds checking, cleanup, etc
    Cvar_Callback(var);
}

References server_t::active, CF_NOTIFY, CF_SERVERINFO, CF_USERINFO, CL_SetInfo(), Cvar_Callback(), Cvar_UpdateAutoCvar(), cvar_t::flags, InfoString_SetValue(), int(), cvar_t::integer, MSG_WriteByte(), MSG_WriteString(), cvar_t::name, server_t::reliable_datagram, server_static_t::serverinfo, cvar_t::string, strlen(), sv, SV_BroadcastPrintf(), sv_disablenotify, svs, cvar_t::value, value, Z_Free, and Z_Malloc.

Referenced by Cvar_Get(), and Cvar_SetQuick().

Cvar_SetValue()

void Cvar_SetValue	(	cvar_state_t *	cvars,
		const char *	var_name,
		float	value )

expands value to a string and calls Cvar_Set

Definition at line 484 of file cvar.c.

{
    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);
}

References Cvar_Set(), dpsnprintf(), MAX_INPUTLINE, and value.

Cvar_SetValueQuick()

void Cvar_SetValueQuick	(	cvar_t *	var,
		float	value )

Definition at line 473 of file cvar.c.

{
    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);
}

References Cvar_SetQuick(), dpsnprintf(), MAX_INPUTLINE, and value.

Referenced by CDAudio_Init(), CDAudio_StartPlaylist(), CDAudio_StopPlaylistTrack(), CL_Beams_SetupExternalTexture(), CL_BeginDownloads(), CL_Color_f(), CL_DisconnectEx(), CL_DrawVideo(), CL_Init(), CL_ParseServerInfo(), CL_UpdateScreen(), CL_VM_Init(), Cmd_Toggle_f(), Con_CheckResize(), Con_DrawNotify(), em_on_resize(), FS_Rescan(), GL_Main_Init(), GL_SetupTextureParameters(), Host_Framerate_c(), Host_Timescale_c(), Key_Console(), M_LanConfig_Key(), M_Menu_Options_AdjustSliders(), M_Menu_Options_ColorControl_AdjustSliders(), M_Menu_Options_Effects_AdjustSliders(), M_Menu_Options_Graphics_AdjustSliders(), M_Menu_Video_AdjustSliders(), M_NetStart_Change(), M_Options_ColorControl_Key(), M_Video_Key(), Memory_Init_Commands(), MR_Init(), NetConn_Heartbeat(), NetConn_Init(), NetConn_OpenClientPorts(), NetConn_OpenServerPorts(), R_Bloom_StartFrame(), R_BufferData_Resize(), R_FrameData_Alloc(), R_HDR_UpdateIrisAdaptation(), R_Mesh_Start(), R_MeshQueue_RenderTransparent(), R_Shadow_DrawModelShadowMaps(), R_Shadow_EditLights_DrawSelectedLightProperties(), R_Textures_Frame(), r_textures_start(), R_TimeReport_EndFrame(), R_UpdateVariables(), R_Water_ProcessPlanes(), S_Init(), S_SetChannelLayout(), S_Startup(), S_Terminate(), SCR_SizeDown_f(), SCR_SizeUp_f(), SCR_UpdateVars(), SndSys_Init(), SV_Loadgame_f(), SV_SendClientDatagram(), SV_ServerOptions(), SV_SpawnServer(), Sys_DirtyTime(), Sys_SDL_HandleEvents(), VID_EnableJoystick(), VID_Init(), VID_InitMode(), VID_InitModeGL(), VID_Restart_f(), VID_SetMouse(), VID_Shared_SetJoystick(), and VID_Start().

Cvar_UnlockDefaults()

void Cvar_UnlockDefaults

(

cmd_state_t *

cmd

)

Definition at line 862 of file cvar.c.

{
    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;
}

References cmd(), cvar_t::flags, cvar_t::next, and cvar_state_t::vars.

Cvar_UpdateAllAutoCvars()

void Cvar_UpdateAllAutoCvars

(

cvar_state_t *

cvars

)

called after loading a savegame

Definition at line 365 of file cvar.c.

{
    cvar_t *var;
    for (var = cvars->vars ; var ; var = var->next)
        Cvar_UpdateAutoCvar(var);
}

References Cvar_UpdateAutoCvar(), cvar_t::next, and cvar_state_t::vars.

Referenced by SV_Loadgame_f().

Cvar_UpdateAutoCvar()

static void Cvar_UpdateAutoCvar ( cvar_t * var )

static

we assume that prog is already set to the target progs

Definition at line 320 of file cvar.c.

{
    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_Prog_Load
            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;
            }
        }
    }
}

References DEF_SAVEGLOBAL, ev_float, ev_string, ev_vector, cvar_t::globaldefindex, cvar_t::globaldefindex_stringno, prvm_prog_t::globaldefs, i, ISWHITESPACE, prvm_prog_t::loaded, mdef_t::ofs, PRVM_ChangeEngineString(), PRVM_GLOBALFIELDFLOAT, PRVM_GLOBALFIELDSTRING, PRVM_GLOBALFIELDVECTOR, prvm_prog_list, PRVM_PROG_MAX, cvar_t::string, mdef_t::type, v, cvar_t::value, VectorClear, and VectorCopy.

Referenced by Cvar_SetQuick_Internal(), and Cvar_UpdateAllAutoCvars().

Cvar_VariableDefString()

const char * Cvar_VariableDefString	(	cvar_state_t *	cvars,
		const char *	var_name,
		unsigned	neededflags )

Definition at line 159 of file cvar.c.

{
    cvar_t *var;
 
    var = Cvar_FindVar(cvars, var_name, neededflags);
    if (!var)
        return cvar_null_string;
    return var->defstring;
}

References Cvar_FindVar(), cvar_null_string, and cvar_t::defstring.

Referenced by Key_Console(), and VM_cvar_defstring().

Cvar_VariableDescription()

const char * Cvar_VariableDescription	(	cvar_state_t *	cvars,
		const char *	var_name,
		unsigned	neededflags )

Definition at line 174 of file cvar.c.

{
    cvar_t *var;
 
    var = Cvar_FindVar(cvars, var_name, neededflags);
    if (!var)
        return cvar_null_string;
    return var->description;
}

References Cvar_FindVar(), cvar_null_string, and cvar_t::description.

Referenced by VM_cvar_description().

Cvar_VariableString()

const char * Cvar_VariableString	(	cvar_state_t *	cvars,
		const char *	var_name,
		unsigned	neededflags )

Definition at line 149 of file cvar.c.

{
    return Cvar_VariableStringOr(cvars, var_name, cvar_null_string, neededflags);
}

References cvar_null_string, and Cvar_VariableStringOr().

Referenced by Con_CompleteCommandLine(), Key_Parse_CommonKeys(), SV_Status_f(), and VM_cvar_string().

Cvar_VariableStringOr()

const char * Cvar_VariableStringOr	(	cvar_state_t *	cvars,
		const char *	var_name,
		const char *	def,
		unsigned	neededflags )

Definition at line 139 of file cvar.c.

{
    cvar_t *var;
 
    var = Cvar_FindVar(cvars, var_name, neededflags);
    if (!var)
        return def;
    return var->string;
}

References Cvar_FindVar(), and cvar_t::string.

Referenced by Cvar_VariableString().

Cvar_VariableValue()

float Cvar_VariableValue	(	cvar_state_t *	cvars,
		const char *	var_name,
		unsigned	neededflags )

Definition at line 129 of file cvar.c.

{
    return Cvar_VariableValueOr(cvars, var_name, 0, neededflags);
}

References Cvar_VariableValueOr().

Referenced by Mod_LoadQ3Shaders(), and VM_cvar().

Cvar_VariableValueOr()

float Cvar_VariableValueOr	(	cvar_state_t *	cvars,
		const char *	var_name,
		float	def,
		unsigned	neededflags )

Definition at line 119 of file cvar.c.

{
    cvar_t *var;
 
    var = Cvar_FindVar(cvars, var_name, neededflags);
    if (!var)
        return def;
    return atof (var->string);
}

References Cvar_FindVar(), and cvar_t::string.

Referenced by Cvar_VariableValue(), and SND_Spatialize_WithSfx().

Cvar_WriteVariables()

void Cvar_WriteVariables	(	cvar_state_t *	cvars,
		qfile_t *	f )

Definition at line 985 of file cvar.c.

{
    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);
        }
    }
}

References CF_ALLOCATED, CF_ARCHIVE, CF_DEFAULTSET, Cmd_QuoteString(), cvar_t::defstring, f, cvar_t::flags, FS_Printf(), MAX_INPUTLINE, cvar_t::name, cvar_t::next, cvar_t::string, and cvar_state_t::vars.

Referenced by Host_SaveConfig().

Variable Documentation

cvar_dummy_description

const char* cvar_dummy_description = "custom cvar"

Definition at line 25 of file cvar.c.

Referenced by Cvar_Delete(), Cvar_Get(), and VM_cvar_type().

cvar_null_string

const char* cvar_null_string = ""

static

Definition at line 26 of file cvar.c.

Referenced by Cvar_VariableDefString(), Cvar_VariableDescription(), and Cvar_VariableString().

cvars_all

cvar_state_t cvars_all

Definition at line 28 of file cvar.c.

Referenced by CL_SendCvar_f(), Cmd_Init(), Cmd_RestoreInitState(), Cmd_SaveInitState(), Cvar_RegisterVariable(), Cvar_RegisterVirtual(), Host_SaveConfig(), Key_Console(), Key_Parse_CommonKeys(), LoadSubtitles(), Mod_LoadQ3Shaders(), Mod_VBSP_Load(), NetConn_ServerParsePacket(), SND_Spatialize_WithSfx(), SV_Map_f(), SV_Status_f(), and VID_InitMode().

cvars_null

cvar_state_t cvars_null

Definition at line 29 of file cvar.c.

Referenced by Cmd_Init().

sv_disablenotify

cvar_t sv_disablenotify

extern

Definition at line 42 of file sv_main.c.

{CF_SERVER, "sv_disablenotify", "0", "suppress broadcast prints when certain cvars are changed (CF_NOTIFY flag in engine code)"};

Referenced by Cvar_SetQuick_Internal(), and SV_Init().