mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-11 07:42:18 +00:00
973ae0ad54
This is meant for a "permanent" tear-down before freeing the memory holding the VM state or at program shutdown. As a consequence, builtin sub-systems registering resources are now required to pass a "destroy" function pointer that will be called just before the memory holding those resources is freed by the VM resource manager (ie, the manager owns the resource memory block, but each subsystem is responsible for cleaning up any resources held within that block). This even enhances thread-safety in rua_obj (there are some problems with cmd, cvar, and gib).
531 lines
13 KiB
C
531 lines
13 KiB
C
/*
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bi_input.c
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CSQC file builtins
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Copyright (C) 2021 Bill Currie <bill@taniwha.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdlib.h>
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include "QF/cmem.h"
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#include "QF/hash.h"
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#include "QF/input.h"
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#include "QF/progs.h"
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#include "rua_internal.h"
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typedef struct rua_in_cookie_s {
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size_t users;
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progs_t *pr;
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pr_func_t func;
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pr_ptr_t data;
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} rua_in_cookie_t;
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typedef struct input_resources_s {
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hashctx_t *hashctx;
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hashtab_t *cookies;
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memsuper_t *cookie_super;
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} input_resources_t;
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static void
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bi_IN_FindDeviceId (progs_t *pr, void *_res)
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{
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const char *id = P_GSTRING (pr, 0);
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R_INT (pr) = IN_FindDeviceId (id);
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}
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static void
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bi_IN_GetDeviceName (progs_t *pr, void *_res)
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{
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int devid = P_INT (pr, 0);
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RETURN_STRING (pr, IN_GetDeviceName (devid));
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}
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static void
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bi_IN_GetDeviceId (progs_t *pr, void *_res)
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{
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int devid = P_INT (pr, 0);
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RETURN_STRING (pr, IN_GetDeviceId (devid));
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}
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static void
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bi_IN_AxisInfo (progs_t *pr, void *_res)
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{
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}
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static void
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bi_IN_ButtonInfo (progs_t *pr, void *_res)
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{
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}
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static void
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bi_IN_GetAxisName (progs_t *pr, void *_res)
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{
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int devid = P_INT (pr, 0);
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int axis = P_INT (pr, 1);
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RETURN_STRING (pr, IN_GetAxisName (devid, axis));
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}
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static void
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bi_IN_GetButtonName (progs_t *pr, void *_res)
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{
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int devid = P_INT (pr, 0);
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int button = P_INT (pr, 1);
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RETURN_STRING (pr, IN_GetButtonName (devid, button));
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}
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static void
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bi_IN_GetAxisNumber (progs_t *pr, void *_res)
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{
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int devid = P_INT (pr, 0);
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const char *axis_name = P_GSTRING (pr, 1);
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R_INT (pr) = IN_GetAxisNumber (devid, axis_name);
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}
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static void
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bi_IN_GetButtonNumber (progs_t *pr, void *_res)
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{
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int devid = P_INT (pr, 0);
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const char *button_name = P_GSTRING (pr, 1);
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R_INT (pr) = IN_GetButtonNumber (devid, button_name);
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}
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static void
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bi_IN_ProcessEvents (progs_t *pr, void *_res)
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{
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IN_ProcessEvents ();
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}
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static void
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bi_IN_ClearStates (progs_t *pr, void *_res)
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{
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IN_ClearStates ();
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}
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static void
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bi_IN_CreateButton (progs_t *pr, void *_res)
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{
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const char *name = P_GSTRING (pr, 0);
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const char *desc = P_GSTRING (pr, 1);
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in_button_t *button = PR_Zone_Malloc (pr, sizeof (in_button_t));
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button->name = name;
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button->description = desc;
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IN_RegisterButton (button);
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RETURN_POINTER (pr, button);
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}
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static void
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bi_IN_CreateAxis (progs_t *pr, void *_res)
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{
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const char *name = P_GSTRING (pr, 0);
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const char *desc = P_GSTRING (pr, 1);
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in_axis_t *axis = PR_Zone_Malloc (pr, sizeof (in_axis_t));
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axis->name = name;
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axis->description = desc;
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IN_RegisterAxis (axis);
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RETURN_POINTER (pr, axis);
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}
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static void
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bi_IN_GetAxisInfo (progs_t *pr, void *_res)
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{
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int devid = P_INT (pr, 0);
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int axis = P_INT (pr, 1);
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R_INT (pr) = 0;
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in_axisinfo_t info;
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if (IN_GetAxisInfo (devid, axis, &info)) {
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P_STRUCT (pr, in_axisinfo_t, 2) = info;
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R_INT (pr) = 1;
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}
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}
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static void
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bi_IN_GetButtonInfo (progs_t *pr, void *_res)
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{
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int devid = P_INT (pr, 0);
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int button = P_INT (pr, 1);
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R_INT (pr) = 0;
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in_buttoninfo_t info;
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if (IN_GetButtonInfo (devid, button, &info)) {
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P_STRUCT (pr, in_buttoninfo_t, 2) = info;
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R_INT (pr) = 1;
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}
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}
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static rua_in_cookie_t *
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make_cookie (progs_t *pr, input_resources_t *res, pr_func_t func, pr_ptr_t data)
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{
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rua_in_cookie_t search = {
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.func = func,
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.data = data,
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};
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rua_in_cookie_t *cookie = Hash_FindElement (res->cookies, &search);
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if (!cookie) {
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cookie = cmemalloc (res->cookie_super, sizeof (rua_in_cookie_t));
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*cookie = search;
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cookie->pr = pr;
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Hash_AddElement (res->cookies, cookie);
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}
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cookie->users++;
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return cookie;
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}
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static rua_in_cookie_t *
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find_cookie (progs_t *pr, input_resources_t *res, pr_func_t func, pr_ptr_t data)
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{
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rua_in_cookie_t search = {
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.func = func,
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.data = data,
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};
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return Hash_FindElement (res->cookies, &search);
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}
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static void
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release_cookie (progs_t *pr, input_resources_t *res, rua_in_cookie_t *cookie)
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{
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if (!--cookie->users) {
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Hash_DelElement (res->cookies, cookie);
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Hash_Free (res->cookies, cookie);
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}
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}
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static void
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rua_add_axis_listener (progs_t *pr, input_resources_t *res,
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axis_listener_t listener)
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{
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in_axis_t *axis = &P_STRUCT (pr, in_axis_t, 0);
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pr_func_t func = P_FUNCTION (pr, 1);
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pr_func_t data = P_POINTER (pr, 2);
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rua_in_cookie_t *cookie = make_cookie (pr, res, func, data);
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IN_AxisAddListener (axis, listener, cookie);
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}
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static void
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rua_remove_axis_listener (progs_t *pr, input_resources_t *res,
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axis_listener_t listener)
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{
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in_axis_t *axis = &P_STRUCT (pr, in_axis_t, 0);
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pr_func_t func = P_FUNCTION (pr, 1);
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pr_func_t data = P_POINTER (pr, 2);
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rua_in_cookie_t *cookie = find_cookie (pr, res, func, data);
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if (cookie) {
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IN_AxisRemoveListener (axis, listener, cookie);
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release_cookie (pr, res, cookie);
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}
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}
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static void
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rua_add_button_listener (progs_t *pr, input_resources_t *res,
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button_listener_t listener)
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{
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in_button_t *button = &P_STRUCT (pr, in_button_t, 0);
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pr_func_t func = P_FUNCTION (pr, 1);
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pr_func_t data = P_POINTER (pr, 2);
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rua_in_cookie_t *cookie = make_cookie (pr, res, func, data);
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IN_ButtonAddListener (button, listener, cookie);
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}
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static void
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rua_remove_button_listener (progs_t *pr, input_resources_t *res,
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button_listener_t listener)
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{
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in_button_t *button = &P_STRUCT (pr, in_button_t, 0);
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pr_func_t func = P_FUNCTION (pr, 1);
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pr_func_t data = P_POINTER (pr, 2);
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rua_in_cookie_t *cookie = find_cookie (pr, res, func, data);
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if (cookie) {
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IN_ButtonRemoveListener (button, listener, cookie);
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release_cookie (pr, res, cookie);
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}
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}
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static void
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rua_listener_func (rua_in_cookie_t *cookie, const void *input)
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{
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progs_t *pr = cookie->pr;
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PR_PushFrame (pr);
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PR_RESET_PARAMS (pr);
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P_POINTER (pr, 0) = cookie->data;
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P_POINTER (pr, 1) = PR_SetPointer (pr, input);//FIXME check input
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pr->pr_argc = 2;
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PR_ExecuteProgram (pr, cookie->func);
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PR_PopFrame (pr);
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}
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static void
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rua_listener_method (rua_in_cookie_t *cookie, const void *input)
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{
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progs_t *pr = cookie->pr;
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PR_PushFrame (pr);
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PR_RESET_PARAMS (pr);
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P_POINTER (pr, 0) = cookie->data;
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P_POINTER (pr, 1) = 0; // don't know the method name (selector)
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P_POINTER (pr, 2) = PR_SetPointer (pr, input);//FIXME check input
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pr->pr_argc = 3;
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PR_ExecuteProgram (pr, cookie->func);
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PR_PopFrame (pr);
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}
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static void
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rua_axis_listener_func (void *data, const in_axis_t *axis)
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{
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rua_listener_func (data, axis);
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}
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static void
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rua_axis_listener_method (void *data, const in_axis_t *axis)
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{
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rua_listener_method (data, axis);
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}
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static void
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rua_button_listener_func (void *data, const in_button_t *button)
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{
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rua_listener_func (data, button);
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}
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static void
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rua_button_listener_method (void *data, const in_button_t *button)
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{
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rua_listener_method (data, button);
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}
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static void
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rua_IN_ButtonAddListener_func (progs_t *pr, void *_res)
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{
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input_resources_t *res = _res;
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rua_add_button_listener (pr, res, rua_button_listener_func);
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}
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static void
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rua_IN_ButtonRemoveListener_func (progs_t *pr, void *_res)
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{
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input_resources_t *res = _res;
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rua_remove_button_listener (pr, res, rua_button_listener_func);
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}
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static void
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rua_IN_AxisAddListener_func (progs_t *pr, void *_res)
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{
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input_resources_t *res = _res;
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rua_add_axis_listener (pr, res, rua_axis_listener_func);
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}
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static void
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rua_IN_AxisRemoveListener_func (progs_t *pr, void *_res)
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{
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input_resources_t *res = _res;
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rua_remove_axis_listener (pr, res, rua_axis_listener_func);
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}
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static void
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rua_IN_ButtonAddListener_method (progs_t *pr, void *_res)
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{
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input_resources_t *res = _res;
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rua_add_button_listener (pr, res, rua_button_listener_method);
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}
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static void
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rua_IN_ButtonRemoveListener_method (progs_t *pr, void *_res)
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{
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input_resources_t *res = _res;
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rua_remove_button_listener (pr, res, rua_button_listener_method);
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}
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static void
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rua_IN_AxisAddListener_method (progs_t *pr, void *_res)
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{
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input_resources_t *res = _res;
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rua_add_axis_listener (pr, res, rua_axis_listener_method);
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}
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static void
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rua_IN_AxisRemoveListener_method (progs_t *pr, void *_res)
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{
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input_resources_t *res = _res;
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rua_remove_axis_listener (pr, res, rua_axis_listener_method);
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}
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static void
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bi_IN_LoadConfig (progs_t *pr, void *_res)
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{
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IN_LoadConfig (Plist_GetItem (pr, P_INT (pr, 0)));
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}
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static void
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bi_IMT_CreateContext (progs_t *pr, void *_res)
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{
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const char *name = P_GSTRING (pr, 0);
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R_INT (pr) = IMT_CreateContext (name);
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}
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static void
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bi_IMT_GetContext (progs_t *pr, void *_res)
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{
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R_INT (pr) = IMT_GetContext ();
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}
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static void
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bi_IMT_SetContext (progs_t *pr, void *_res)
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{
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IMT_SetContext (P_INT (pr, 0));
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}
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static void
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secured (progs_t *pr, void *_res)
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{
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PR_RunError (pr, "Secured function called");
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}
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#define p(type) PR_PARAM(type)
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#define P(a, s) { .size = (s), .alignment = BITOP_LOG2 (a), }
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#define bi(x,np,params...) {#x, secured, -1, np, {params}}
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static builtin_t secure_builtins[] = {
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bi(IN_CreateButton, 2, p(string), p(string)),
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bi(IN_CreateAxis, 2, p(string), p(string)),
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bi(IN_LoadConfig, 1, p(ptr)),
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{0}
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};
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#undef bi
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#define bi(x,np,params...) {#x, bi_##x, -1, np, {params}}
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static builtin_t insecure_builtins[] = {
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bi(IN_CreateButton, 2, p(string), p(string)),
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bi(IN_CreateAxis, 2, p(string), p(string)),
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bi(IN_LoadConfig, 1, p(ptr)),
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{0}
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};
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static builtin_t builtins[] = {
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bi(IN_FindDeviceId, 1, p(string)),
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bi(IN_GetDeviceName, 1, p(int)),
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bi(IN_GetDeviceId, 1, p(int)),
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bi(IN_AxisInfo, 0), //FIXME
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bi(IN_ButtonInfo, 0), //FIXME
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bi(IN_GetAxisName, 2, p(int), p(int)),
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bi(IN_GetButtonName, 2, p(int), p(int)),
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bi(IN_GetAxisNumber, 2, p(int), p(string)),
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bi(IN_GetButtonNumber, 2, p(int), p(string)),
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bi(IN_ProcessEvents, 0),
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bi(IN_ClearStates, 0),
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bi(IN_GetAxisInfo, 3, p(int), p(int), p(ptr)),
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bi(IN_GetButtonInfo, 3, p(int), p(int), p(ptr)),
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{"IN_ButtonAddListener|^{tag in_button_s=}^(v^v^{tag in_button_s=})^v",
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rua_IN_ButtonAddListener_func, -1, 3, {p(ptr), p(func), p(ptr)}},
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{"IN_ButtonRemoveListener|^{tag in_button_s=}^(v^v^{tag in_button_s=})^v",
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rua_IN_ButtonRemoveListener_func, -1, 3, {p(ptr), p(func), p(ptr)}},
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{"IN_AxisAddListener|^{tag in_axis_s=}^(v^v^{tag in_axis_s=})^v",
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rua_IN_AxisAddListener_func, -1, 3, {p(ptr), p(func), p(ptr)}},
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{"IN_AxisRemoveListener|^{tag in_axis_s=}^(v^v^{tag in_axis_s=})^v",
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rua_IN_AxisRemoveListener_func, -1, 3, {p(ptr), p(func), p(ptr)}},
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{"IN_ButtonAddListener|^{tag in_button_s=}(@@:.)@",
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rua_IN_ButtonAddListener_method, -1, 3, {p(ptr), p(func), p(ptr)}},
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{"IN_ButtonRemoveListener|^{tag in_button_s=}(@@:.)@",
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rua_IN_ButtonRemoveListener_method, -1, 3, {p(ptr), p(func), p(ptr)}},
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{"IN_AxisAddListener|^{tag in_axis_s=}(@@:.)@",
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rua_IN_AxisAddListener_method, -1, 3, {p(ptr), p(func), p(ptr)}},
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{"IN_AxisRemoveListener|^{tag in_axis_s=}(@@:.)@",
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rua_IN_AxisRemoveListener_method, -1, 3, {p(ptr), p(func), p(ptr)}},
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bi(IMT_CreateContext, 1, p(string)),
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bi(IMT_GetContext, 0),
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bi(IMT_SetContext, 1, p(int)),
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{0}
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};
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static void
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bi_input_clear (progs_t *pr, void *_res)
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{
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input_resources_t *res = _res;
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Hash_FlushTable (res->cookies);
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}
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static void
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bi_input_destroy (progs_t *pr, void *_res)
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{
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input_resources_t *res = _res;
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Hash_DelTable (res->cookies);
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delete_memsuper (res->cookie_super);
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}
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static uintptr_t
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rua_in_hash_cookie (const void *_cookie, void *_res)
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{
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const rua_in_cookie_t *cookie = _cookie;
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return cookie->func + cookie->data;
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}
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static int
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rua_in_cmp_cookies (const void *_a, const void *_b, void *_res)
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{
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const rua_in_cookie_t *a = _a;
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const rua_in_cookie_t *b = _b;
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return a->func == b->func && a->data == b->data;
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}
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static void
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rua_in_free_cookie (void *_cookie, void *_res)
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|
{
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input_resources_t *res = _res;
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rua_in_cookie_t *cookie = _cookie;
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cmemfree (res->cookie_super, cookie);
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}
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void
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RUA_Input_Init (progs_t *pr, int secure)
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|
{
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input_resources_t *res = calloc (sizeof (input_resources_t), 1);
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|
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res->cookie_super = new_memsuper ();
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res->cookies = Hash_NewTable (251, 0, rua_in_free_cookie, res,
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&res->hashctx);
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Hash_SetHashCompare (res->cookies, rua_in_hash_cookie, rua_in_cmp_cookies);
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|
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PR_Resources_Register (pr, "input", res, bi_input_clear, bi_input_destroy);
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if (secure & 2) {
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PR_RegisterBuiltins (pr, secure_builtins, res);
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} else {
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PR_RegisterBuiltins (pr, insecure_builtins, res);
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}
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PR_RegisterBuiltins (pr, builtins, res);
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}
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