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RetroArch/tools/retroarch-joyconfig.c
twinaphex 226c6ff41a Simplify input_autodetect
2015-03-27 16:57:58 +01:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
*
* RetroArch 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <file/config_file.h>
#include <stdio.h>
#include <stdlib.h>
#include <compat/getopt.h>
#include <compat/posix_string.h>
#include <boolean.h>
#include "../input/input_common.h"
#include "../input/input_joypad.h"
#include "../input/input_autodetect.h"
#include "../general.h"
#include "../runloop.h"
#include <assert.h>
/* Need to be present for build to work, but it's not *really* used.
* Better than having to build special versions of lots of objects
* with special #ifdefs.
*/
struct settings g_config;
struct global g_extern;
driver_t driver;
static int g_player = 1;
static int g_joypad = 0;
static int g_timeout = 0;
static char *g_in_path = NULL;
static char *g_out_path = NULL;
static char *g_auto_path = NULL;
static char *g_driver = NULL;
static unsigned g_meta_level = 0;
bool rarch_main_verbosity(void)
{
return true;
}
settings_t *config_get_ptr(void)
{
return &g_config;
}
driver_t *driver_get_ptr(void)
{
return &driver;
}
static void print_help(void)
{
puts("=====================");
puts(" retroarch-joyconfig");
puts("=====================");
puts("Usage: retroarch-joyconfig [ options ... ]");
puts("");
puts("-p/--player: Which player to configure for (1 up to and including 8).");
puts("-j/--joypad: Which joypad to use when configuring (first joypad is 0).");
puts("-i/--input: Input file to configure with. Binds will be added on or overwritten.");
puts("\tIf not selected, an empty config will be used as a base.");
puts("-o/--output: Output file to write to. If not selected, config file will be dumped to stdout.");
puts("-a/--autoconfig: Outputs an autoconfig file for joypad which was configured.");
puts("-M/--allmisc: Also configure various keybinds that are not directly libretro related.");
puts("\tThese configurations are for player 1 only.");
puts("-m/--misc: Same as --allmisc, but exposes a smaller subset of misc binds which are deemed most useful for regular use.");
puts("-t/--timeout: Adds a timeout of N seconds to each bind. If timed out, the bind will not be used.");
puts("-d/--driver: Uses a specific joypad driver.");
puts("-h/--help: This help.");
}
#define MAX_BUTTONS 32
#define MAX_AXES 32
#define MAX_HATS 32
struct poll_data
{
bool buttons[MAX_BUTTONS];
int16_t axes[MAX_AXES];
uint16_t hats[MAX_HATS];
};
static void poll_joypad(const rarch_joypad_driver_t *driver,
unsigned pad,
struct poll_data *data)
{
unsigned i;
if (driver)
driver->poll();
for (i = 0; i < MAX_BUTTONS; i++)
data->buttons[i] = input_joypad_button_raw(driver, pad, i);
for (i = 0; i < MAX_AXES; i++)
data->axes[i] = input_joypad_axis_raw(driver, pad, i);
for (i = 0; i < MAX_HATS; i++)
{
uint16_t hat = 0;
hat |= input_joypad_hat_raw(driver, pad, HAT_UP_MASK, i) << HAT_UP_SHIFT;
hat |= input_joypad_hat_raw(driver, pad, HAT_DOWN_MASK, i) << HAT_DOWN_SHIFT;
hat |= input_joypad_hat_raw(driver, pad, HAT_LEFT_MASK, i) << HAT_LEFT_SHIFT;
hat |= input_joypad_hat_raw(driver, pad, HAT_RIGHT_MASK, i) << HAT_RIGHT_SHIFT;
data->hats[i] = hat;
}
}
static void get_binds(config_file_t *conf, config_file_t *auto_conf,
int player, int joypad)
{
int i, timeout_cnt;
const rarch_joypad_driver_t *driver = input_joypad_init_driver(g_driver);
if (!driver)
{
fprintf(stderr, "Cannot find any valid input driver.\n");
exit(1);
}
if (!driver->query_pad(joypad))
{
fprintf(stderr, "Couldn't open joystick #%d.\n", joypad);
exit(1);
}
fprintf(stderr, "Found joypad driver: %s\n", driver->ident);
const char *joypad_name = input_joypad_name(driver, joypad);
fprintf(stderr, "Using joypad: %s\n", joypad_name ? joypad_name : "Unknown");
if (joypad_name && auto_conf)
{
config_set_string(auto_conf, "input_device", joypad_name);
config_set_string(auto_conf, "input_driver", driver->ident);
}
int16_t initial_axes[MAX_AXES] = {0};
struct poll_data old_poll = {{0}};
struct poll_data new_poll = {{0}};
int last_axis = -1;
bool block_axis = false;
int timeout_ticks = g_timeout * 100;
poll_joypad(driver, joypad, &old_poll);
fprintf(stderr, "\nJoypads tend to have stale state after opened.\nPress some buttons and move some axes around to make sure joypad state is completely neutral before proceeding.\nWhen done, press Enter ... ");
getchar();
poll_joypad(driver, joypad, &old_poll);
for (i = 0; i < MAX_AXES; i++)
{
int16_t initial = input_joypad_axis_raw(driver, joypad, i);
if (abs(initial) < 20000)
initial = 0;
/* Certain joypads (such as XBox360 controller on Linux)
* has a default negative axis for shoulder triggers,
* which makes configuration very awkward.
*
* If default negative, we can't trigger on the negative axis,
* and similar with defaulted positive axes.
*/
if (initial)
fprintf(stderr, "Axis %d is defaulted to %s axis value of %d.\n", i, initial > 0 ? "positive" : "negative", initial);
initial_axes[i] = initial;
}
for (i = 0; i < MAX_BUTTONS; i++)
{
if (old_poll.buttons[i])
fprintf(stderr, "Button %d was initially pressed. This indicates broken initial state.\n", i);
}
fprintf(stderr, "Configuring binds for player #%d on joypad #%d.\n\n",
player + 1, joypad);
for (i = 0, timeout_cnt = 0; input_config_bind_map[i].valid; i++, timeout_cnt = 0)
{
int j;
if (i == RARCH_TURBO_ENABLE)
continue;
unsigned meta_level = input_config_bind_map[i].meta;
if (meta_level > g_meta_level)
continue;
fprintf(stderr, "%s\n", input_config_bind_map[i].desc);
unsigned player_index = input_config_bind_map[i].meta ? 0 : player;
for (;;)
{
old_poll = new_poll;
/* To avoid pegging CPU.
* Ideally use an event-based joypad scheme,
* but it adds far more complexity, so, meh.
*/
rarch_sleep(10);
if (timeout_ticks)
{
timeout_cnt++;
if (timeout_cnt >= timeout_ticks)
{
fprintf(stderr, "\tTimed out ...\n");
break;
}
}
poll_joypad(driver, joypad, &new_poll);
for (j = 0; j < MAX_BUTTONS; j++)
{
if (new_poll.buttons[j] && !old_poll.buttons[j])
{
fprintf(stderr, "\tJoybutton pressed: %d\n", j);
char key[64];
snprintf(key, sizeof(key), "%s_%s_btn",
input_config_get_prefix(player_index,
input_config_bind_map[i].meta),
input_config_bind_map[i].base);
config_set_int(conf, key, j);
if (auto_conf)
{
snprintf(key, sizeof(key), "input_%s_btn",
input_config_bind_map[i].base);
config_set_int(auto_conf, key, j);
}
goto out;
}
}
for (j = 0; j < MAX_AXES; j++)
{
if (new_poll.axes[j] == old_poll.axes[j])
continue;
int16_t value = new_poll.axes[j];
bool same_axis = last_axis == j;
bool require_negative = initial_axes[j] > 0;
bool require_positive = initial_axes[j] < 0;
/* Block the axis config until we're sure
* axes have returned to their neutral state. */
if (same_axis)
{
if (abs(value) < 10000 ||
(require_positive && value < 0) ||
(require_negative && value > 0))
block_axis = false;
}
/* If axes are in their neutral state,
* we can't allow it. */
if (require_negative && value >= 0)
continue;
if (require_positive && value <= 0)
continue;
if (block_axis)
continue;
if (abs(value) > 20000)
{
last_axis = j;
fprintf(stderr, "\tJoyaxis moved: Axis %d, Value %d\n",
j, value);
char buf[8];
snprintf(buf, sizeof(buf),
value > 0 ? "+%d" : "-%d", j);
char key[64];
snprintf(key, sizeof(key), "%s_%s_axis",
input_config_get_prefix(player_index,
input_config_bind_map[i].meta),
input_config_bind_map[i].base);
config_set_string(conf, key, buf);
if (auto_conf)
{
snprintf(key, sizeof(key), "input_%s_axis",
input_config_bind_map[i].base);
config_set_string(auto_conf, key, buf);
}
block_axis = true;
goto out;
}
}
for (j = 0; j < MAX_HATS; j++)
{
const char *quark = NULL;
uint16_t value = new_poll.hats[j];
uint16_t old_value = old_poll.hats[j];
if ((value & HAT_UP_MASK) && !(old_value & HAT_UP_MASK))
quark = "up";
else if ((value & HAT_LEFT_MASK) && !(old_value & HAT_LEFT_MASK))
quark = "left";
else if ((value & HAT_RIGHT_MASK) && !(old_value & HAT_RIGHT_MASK))
quark = "right";
else if ((value & HAT_DOWN_MASK) && !(old_value & HAT_DOWN_MASK))
quark = "down";
if (quark)
{
fprintf(stderr, "\tJoyhat moved: Hat %d, direction %s\n", j, quark);
char buf[16];
snprintf(buf, sizeof(buf), "h%d%s", j, quark);
char key[64];
snprintf(key, sizeof(key), "%s_%s_btn",
input_config_get_prefix(player_index,
input_config_bind_map[i].meta),
input_config_bind_map[i].base);
config_set_string(conf, key, buf);
if (auto_conf)
{
snprintf(key, sizeof(key), "input_%s_btn",
input_config_bind_map[i].base);
config_set_string(auto_conf, key, buf);
}
goto out;
}
}
}
out:
old_poll = new_poll;
}
}
static void parse_input(int argc, char *argv[])
{
char optstring[] = "i:o:a:p:j:t:hmMd:";
struct option opts[] = {
{ "input", 1, NULL, 'i' },
{ "output", 1, NULL, 'o' },
{ "autoconfig", 1, NULL, 'a' },
{ "player", 1, NULL, 'p' },
{ "joypad", 1, NULL, 'j' },
{ "help", 0, NULL, 'h' },
{ "misc", 0, NULL, 'm' },
{ "allmisc", 0, NULL, 'M' },
{ "timeout", 1, NULL, 't' },
{ "driver", 1, NULL, 'd' },
{ NULL, 0, NULL, 0 }
};
int option_index = 0;
for (;;)
{
int c = getopt_long(argc, argv, optstring, opts, &option_index);
if (c == -1)
break;
switch (c)
{
case 'h':
print_help();
exit(0);
case 'i':
g_in_path = strdup(optarg);
break;
case 't':
g_timeout = strtol(optarg, NULL, 0);
break;
case 'd':
g_driver = strdup(optarg);
break;
case 'o':
g_out_path = strdup(optarg);
break;
case 'a':
g_auto_path = strdup(optarg);
break;
case 'm':
g_meta_level = 1;
break;
case 'M':
g_meta_level = 2;
break;
case 'j':
g_joypad = strtol(optarg, NULL, 0);
if (g_joypad < 0)
{
fprintf(stderr, "Joypad number can't be negative.\n");
exit(1);
}
break;
case 'p':
g_player = strtol(optarg, NULL, 0);
if (g_player < 1)
{
fprintf(stderr, "User number must be at least 1.\n");
exit(1);
}
else if (g_player > MAX_USERS)
{
fprintf(stderr, "User number must be from 1 to %d.\n",
MAX_USERS);
exit(1);
}
break;
default:
break;
}
}
if (optind < argc)
{
print_help();
exit(1);
}
}
void input_config_autoconfigure_joypad(autoconfig_params_t *params)
{
(void)params;
}
// Need SDL_main on OSX.
#ifndef __APPLE__
#undef main
#endif
int main(int argc, char *argv[])
{
parse_input(argc, argv);
config_file_t *conf = config_file_new(g_in_path);
if (!conf)
{
fprintf(stderr, "Couldn't open config file ...\n");
return 1;
}
const char *index_list[] = {
"input_player1_joypad_index",
"input_player2_joypad_index",
"input_player3_joypad_index",
"input_player4_joypad_index",
"input_player5_joypad_index",
"input_player6_joypad_index",
"input_player7_joypad_index",
"input_player8_joypad_index",
};
config_set_int(conf, index_list[g_player - 1], g_joypad);
config_file_t *auto_conf = NULL;
if (g_auto_path)
auto_conf = config_file_new(NULL);
get_binds(conf, auto_conf, g_player - 1, g_joypad);
config_file_write(conf, g_out_path);
config_file_free(conf);
if (auto_conf)
{
fprintf(stderr, "Writing autoconfig profile to: %s.\n", g_auto_path);
config_file_write(auto_conf, g_auto_path);
config_file_free(auto_conf);
}
free(g_in_path);
free(g_out_path);
free(g_auto_path);
return 0;
}
void rarch_main_msg_queue_push(const char *msg, unsigned prio, unsigned duration,
bool flush)
{
}
bool video_driver_viewport_info(struct video_viewport *vp)
{
return false;
}
bool video_driver_read_viewport(uint8_t *buffer)
{
return false;
}
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