mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-12-11 21:31:30 +00:00
70aa970c32
It should have been this way all along, and it seems I thought they were when I did rua_gui.c as it already freed its resource block, which would have been a double free (oops). Fixes an invalid write when shutting down progs in qwaq-cmd (relevant change not committed).
277 lines
6.1 KiB
C
277 lines
6.1 KiB
C
/*
|
|
bi_cvar.c
|
|
|
|
CSQC cvar builtins
|
|
|
|
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:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
*/
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#ifdef HAVE_STRING_H
|
|
# include <string.h>
|
|
#endif
|
|
#ifdef HAVE_STRINGS_H
|
|
# include <strings.h>
|
|
#endif
|
|
#include <stdlib.h>
|
|
|
|
#include "QF/cvar.h"
|
|
#include "QF/mathlib.h"
|
|
#include "QF/progs.h"
|
|
#include "QF/va.h"
|
|
|
|
#include "QF/simd/types.h"
|
|
|
|
#include "rua_internal.h"
|
|
|
|
typedef struct bi_alias_s {
|
|
struct bi_alias_s *next;
|
|
char *name;
|
|
} bi_alias_t;
|
|
|
|
typedef struct {
|
|
bi_alias_t *aliases;
|
|
} cvar_resources_t;
|
|
|
|
static void
|
|
bi_alias_free (void *_a, void *unused)
|
|
{
|
|
bi_alias_t *a = (bi_alias_t *) _a;
|
|
|
|
free (a->name);
|
|
free (a);
|
|
}
|
|
|
|
static void
|
|
bi_cvar_clear (progs_t *pr, void *_res)
|
|
{
|
|
cvar_resources_t *res = (cvar_resources_t *) _res;
|
|
bi_alias_t *alias;
|
|
|
|
while ((alias = res->aliases)) {
|
|
Cvar_RemoveAlias (alias->name);
|
|
res->aliases = alias->next;
|
|
bi_alias_free (alias, 0);
|
|
}
|
|
}
|
|
|
|
static void
|
|
bi_cvar_destroy (progs_t *pr, void *_res)
|
|
{
|
|
free (_res);
|
|
}
|
|
|
|
static void
|
|
bi_Cvar_MakeAlias (progs_t *pr, void *_res)
|
|
{
|
|
__auto_type res = (cvar_resources_t *) _res;
|
|
const char *alias_name = P_GSTRING (pr, 0);
|
|
const char *cvar_name = P_GSTRING (pr, 1);
|
|
cvar_t *cvar = Cvar_FindVar (cvar_name);
|
|
bi_alias_t *alias;
|
|
|
|
R_INT (pr) = 0; // assume failure
|
|
|
|
if (!cvar) // allow aliasing of aliases
|
|
cvar = Cvar_FindAlias (cvar_name);
|
|
|
|
if (cvar && Cvar_MakeAlias (alias_name, cvar)) {
|
|
alias = malloc (sizeof (bi_alias_t));
|
|
alias->name = strdup (alias_name);
|
|
alias->next = res->aliases;
|
|
res->aliases = alias;
|
|
|
|
R_INT (pr) = 1;
|
|
}
|
|
}
|
|
|
|
static void
|
|
bi_Cvar_RemoveAlias (progs_t *pr, void *_res)
|
|
{
|
|
__auto_type res = (cvar_resources_t *) _res;
|
|
const char *alias_name = P_GSTRING (pr, 0);
|
|
bi_alias_t **a;
|
|
|
|
R_INT (pr) = 0; // assume failure
|
|
for (a = &res->aliases; *a; a = &(*a)->next) {
|
|
bi_alias_t *alias = *a;
|
|
if (!strcmp (alias_name, alias->name)) {
|
|
*a = (*a)->next;
|
|
if (Cvar_RemoveAlias (alias->name))
|
|
R_INT (pr) = 1;
|
|
bi_alias_free (alias, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
bi_Cvar_SetString (progs_t *pr, void *_res)
|
|
{
|
|
const char *varname = P_GSTRING (pr, 0);
|
|
const char *val = P_GSTRING (pr, 1);
|
|
cvar_t *var = Cvar_FindVar (varname);
|
|
|
|
if (!var)
|
|
var = Cvar_FindAlias (varname);
|
|
if (var)
|
|
Cvar_SetVar (var, val);
|
|
}
|
|
|
|
static void
|
|
bi_Cvar_SetInteger (progs_t *pr, void *_res)
|
|
{
|
|
const char *varname = P_GSTRING (pr, 0);
|
|
int val = P_INT (pr, 1);
|
|
cvar_t *var = Cvar_FindVar (varname);
|
|
|
|
if (!var)
|
|
var = Cvar_FindAlias (varname);
|
|
if (var)
|
|
Cvar_SetVar (var, va (0, "%d", val));
|
|
}
|
|
|
|
static void
|
|
bi_Cvar_SetFloat (progs_t *pr, void *_res)
|
|
{
|
|
const char *varname = P_GSTRING (pr, 0);
|
|
float val = P_FLOAT (pr, 1);
|
|
cvar_t *var = Cvar_FindVar (varname);
|
|
|
|
if (!var)
|
|
var = Cvar_FindAlias (varname);
|
|
if (var)
|
|
Cvar_SetVar (var, va (0, "%g", val));
|
|
}
|
|
|
|
static void
|
|
bi_Cvar_SetVector (progs_t *pr, void *_res)
|
|
{
|
|
const char *varname = P_GSTRING (pr, 0);
|
|
float *val = P_VECTOR (pr, 1);
|
|
cvar_t *var = Cvar_FindVar (varname);
|
|
|
|
if (!var)
|
|
var = Cvar_FindAlias (varname);
|
|
if (var)
|
|
Cvar_SetVar (var, va (0, "%g %g %g", val[0], val[1], val[2]));
|
|
}
|
|
|
|
static void
|
|
bi_Cvar_GetString (progs_t *pr, void *_res)
|
|
{
|
|
const char *varname = P_GSTRING (pr, 0);
|
|
cvar_t *var = Cvar_FindVar (varname);
|
|
|
|
if (!var)
|
|
var = Cvar_FindAlias (varname);
|
|
if (var)
|
|
RETURN_STRING (pr, Cvar_VarString (var));
|
|
else
|
|
RETURN_STRING (pr, "");
|
|
}
|
|
|
|
static void
|
|
bi_Cvar_GetInteger (progs_t *pr, void *_res)
|
|
{
|
|
const char *varname = P_GSTRING (pr, 0);
|
|
cvar_t *var = Cvar_FindVar (varname);
|
|
|
|
R_INT (pr) = 0;
|
|
if (!var)
|
|
var = Cvar_FindAlias (varname);
|
|
if (!var || var->value.type != &cexpr_int)
|
|
return;
|
|
|
|
R_INT (pr) = *(int *) var->value.value;
|
|
}
|
|
|
|
static void
|
|
bi_Cvar_GetFloat (progs_t *pr, void *_res)
|
|
{
|
|
const char *varname = P_GSTRING (pr, 0);
|
|
cvar_t *var = Cvar_FindVar (varname);
|
|
|
|
R_FLOAT (pr) = 0;
|
|
if (!var)
|
|
var = Cvar_FindAlias (varname);
|
|
if (!var || var->value.type != &cexpr_float)
|
|
return;
|
|
R_INT (pr) = *(float *) var->value.value;
|
|
}
|
|
|
|
static void
|
|
bi_Cvar_GetVector (progs_t *pr, void *_res)
|
|
{
|
|
const char *varname = P_GSTRING (pr, 0);
|
|
cvar_t *var = Cvar_FindVar (varname);
|
|
|
|
if (!var)
|
|
var = Cvar_FindAlias (varname);
|
|
if (var && var->value.type == &cexpr_vector)
|
|
RETURN_VECTOR (pr, *(vec4f_t *) var->value.value);
|
|
else
|
|
VectorZero (R_VECTOR (pr));
|
|
}
|
|
|
|
static void
|
|
bi_Cvar_Toggle (progs_t *pr, void *_res)
|
|
{
|
|
const char *varname = P_GSTRING (pr, 0);
|
|
cvar_t *var;
|
|
|
|
var = Cvar_FindVar (varname);
|
|
if (!var)
|
|
var = Cvar_FindAlias (varname);
|
|
if (var && var->value.type == &cexpr_int) {
|
|
*(int *) var->value.value = !*(int *) var->value.value;
|
|
}
|
|
}
|
|
|
|
#define bi(x,np,params...) {#x, bi_##x, -1, np, {params}}
|
|
#define p(type) PR_PARAM(type)
|
|
#define P(a, s) { .size = (s), .alignment = BITOP_LOG2 (a), }
|
|
static builtin_t builtins[] = {
|
|
bi(Cvar_MakeAlias, 2, p(string), p(string)),
|
|
bi(Cvar_RemoveAlias, 1, p(string)),
|
|
bi(Cvar_SetFloat, 2, p(string), p(float)),
|
|
bi(Cvar_SetInteger, 2, p(string), p(int)),
|
|
bi(Cvar_SetVector, 2, p(string), p(vector)),
|
|
bi(Cvar_SetString, 2, p(string), p(string)),
|
|
bi(Cvar_GetFloat, 1, p(string)),
|
|
bi(Cvar_GetInteger, 1, p(string)),
|
|
bi(Cvar_GetVector, 1, p(string)),
|
|
bi(Cvar_GetString, 1, p(string)),
|
|
bi(Cvar_Toggle, 1, p(string)),
|
|
{0}
|
|
};
|
|
|
|
void
|
|
RUA_Cvar_Init (progs_t *pr, int secure)
|
|
{
|
|
cvar_resources_t *res = calloc (1, sizeof (cvar_resources_t));
|
|
|
|
res->aliases = 0;
|
|
PR_Resources_Register (pr, "Cvar", res, bi_cvar_clear, bi_cvar_destroy);
|
|
PR_RegisterBuiltins (pr, builtins, res);
|
|
}
|