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RetroArch/input/input_common.c
radius ac1695e7fd open different sockets per-user
2015-11-27 18:08:52 -05:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2015 - Daniel De Matteis
*
* 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/>.
*/
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <file/file_path.h>
#include "input_common.h"
#include "input_keymaps.h"
#include "input_remapping.h"
#include "../general.h"
#include "../verbosity.h"
#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif
static const char *bind_user_prefix[MAX_USERS] = {
"input_player1",
"input_player2",
"input_player3",
"input_player4",
"input_player5",
"input_player6",
"input_player7",
"input_player8",
"input_player9",
"input_player10",
"input_player11",
"input_player12",
"input_player13",
"input_player14",
"input_player15",
"input_player16",
};
#define DECLARE_BIND(x, bind, desc) { true, 0, #x, desc, bind }
#define DECLARE_META_BIND(level, x, bind, desc) { true, level, #x, desc, bind }
const struct input_bind_map input_config_bind_map[RARCH_BIND_LIST_END_NULL] = {
DECLARE_BIND(b, RETRO_DEVICE_ID_JOYPAD_B, "B button (down)"),
DECLARE_BIND(y, RETRO_DEVICE_ID_JOYPAD_Y, "Y button (left)"),
DECLARE_BIND(select, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select button"),
DECLARE_BIND(start, RETRO_DEVICE_ID_JOYPAD_START, "Start button"),
DECLARE_BIND(up, RETRO_DEVICE_ID_JOYPAD_UP, "Up D-pad"),
DECLARE_BIND(down, RETRO_DEVICE_ID_JOYPAD_DOWN, "Down D-pad"),
DECLARE_BIND(left, RETRO_DEVICE_ID_JOYPAD_LEFT, "Left D-pad"),
DECLARE_BIND(right, RETRO_DEVICE_ID_JOYPAD_RIGHT, "Right D-pad"),
DECLARE_BIND(a, RETRO_DEVICE_ID_JOYPAD_A, "A button (right)"),
DECLARE_BIND(x, RETRO_DEVICE_ID_JOYPAD_X, "X button (top)"),
DECLARE_BIND(l, RETRO_DEVICE_ID_JOYPAD_L, "L button (shoulder)"),
DECLARE_BIND(r, RETRO_DEVICE_ID_JOYPAD_R, "R button (shoulder)"),
DECLARE_BIND(l2, RETRO_DEVICE_ID_JOYPAD_L2, "L2 button (trigger)"),
DECLARE_BIND(r2, RETRO_DEVICE_ID_JOYPAD_R2, "R2 button (trigger)"),
DECLARE_BIND(l3, RETRO_DEVICE_ID_JOYPAD_L3, "L3 button (thumb)"),
DECLARE_BIND(r3, RETRO_DEVICE_ID_JOYPAD_R3, "R3 button (thumb)"),
DECLARE_BIND(l_x_plus, RARCH_ANALOG_LEFT_X_PLUS, "Left analog X+ (right)"),
DECLARE_BIND(l_x_minus, RARCH_ANALOG_LEFT_X_MINUS, "Left analog X- (left)"),
DECLARE_BIND(l_y_plus, RARCH_ANALOG_LEFT_Y_PLUS, "Left analog Y+ (down)"),
DECLARE_BIND(l_y_minus, RARCH_ANALOG_LEFT_Y_MINUS, "Left analog Y- (up)"),
DECLARE_BIND(r_x_plus, RARCH_ANALOG_RIGHT_X_PLUS, "Right analog X+ (right)"),
DECLARE_BIND(r_x_minus, RARCH_ANALOG_RIGHT_X_MINUS, "Right analog X- (left)"),
DECLARE_BIND(r_y_plus, RARCH_ANALOG_RIGHT_Y_PLUS, "Right analog Y+ (down)"),
DECLARE_BIND(r_y_minus, RARCH_ANALOG_RIGHT_Y_MINUS, "Right analog Y- (up)"),
DECLARE_BIND(turbo, RARCH_TURBO_ENABLE, "Turbo enable"),
DECLARE_META_BIND(1, toggle_fast_forward, RARCH_FAST_FORWARD_KEY, "Fast forward toggle"),
DECLARE_META_BIND(2, hold_fast_forward, RARCH_FAST_FORWARD_HOLD_KEY, "Fast forward hold"),
DECLARE_META_BIND(1, load_state, RARCH_LOAD_STATE_KEY, "Load state"),
DECLARE_META_BIND(1, save_state, RARCH_SAVE_STATE_KEY, "Save state"),
DECLARE_META_BIND(2, toggle_fullscreen, RARCH_FULLSCREEN_TOGGLE_KEY, "Fullscreen toggle"),
DECLARE_META_BIND(2, exit_emulator, RARCH_QUIT_KEY, "Quit RetroArch"),
DECLARE_META_BIND(2, state_slot_increase, RARCH_STATE_SLOT_PLUS, "Savestate slot +"),
DECLARE_META_BIND(2, state_slot_decrease, RARCH_STATE_SLOT_MINUS, "Savestate slot -"),
DECLARE_META_BIND(1, rewind, RARCH_REWIND, "Rewind"),
DECLARE_META_BIND(2, movie_record_toggle, RARCH_MOVIE_RECORD_TOGGLE, "Movie record toggle"),
DECLARE_META_BIND(2, pause_toggle, RARCH_PAUSE_TOGGLE, "Pause toggle"),
DECLARE_META_BIND(2, frame_advance, RARCH_FRAMEADVANCE, "Frameadvance"),
DECLARE_META_BIND(2, reset, RARCH_RESET, "Reset game"),
DECLARE_META_BIND(2, shader_next, RARCH_SHADER_NEXT, "Next shader"),
DECLARE_META_BIND(2, shader_prev, RARCH_SHADER_PREV, "Previous shader"),
DECLARE_META_BIND(2, cheat_index_plus, RARCH_CHEAT_INDEX_PLUS, "Cheat index +"),
DECLARE_META_BIND(2, cheat_index_minus, RARCH_CHEAT_INDEX_MINUS, "Cheat index -"),
DECLARE_META_BIND(2, cheat_toggle, RARCH_CHEAT_TOGGLE, "Cheat toggle"),
DECLARE_META_BIND(2, screenshot, RARCH_SCREENSHOT, "Take screenshot"),
DECLARE_META_BIND(2, audio_mute, RARCH_MUTE, "Audio mute toggle"),
DECLARE_META_BIND(2, osk_toggle, RARCH_OSK, "On-screen keyboard toggle"),
DECLARE_META_BIND(2, netplay_flip_players, RARCH_NETPLAY_FLIP, "Netplay flip users"),
DECLARE_META_BIND(2, slowmotion, RARCH_SLOWMOTION, "Slow motion"),
DECLARE_META_BIND(2, enable_hotkey, RARCH_ENABLE_HOTKEY, "Enable hotkeys"),
DECLARE_META_BIND(2, volume_up, RARCH_VOLUME_UP, "Volume +"),
DECLARE_META_BIND(2, volume_down, RARCH_VOLUME_DOWN, "Volume -"),
DECLARE_META_BIND(2, overlay_next, RARCH_OVERLAY_NEXT, "Overlay next"),
DECLARE_META_BIND(2, disk_eject_toggle, RARCH_DISK_EJECT_TOGGLE, "Disk eject toggle"),
DECLARE_META_BIND(2, disk_next, RARCH_DISK_NEXT, "Disk next"),
DECLARE_META_BIND(2, disk_prev, RARCH_DISK_NEXT, "Disk prev"),
DECLARE_META_BIND(2, grab_mouse_toggle, RARCH_GRAB_MOUSE_TOGGLE, "Grab mouse toggle"),
#ifdef HAVE_MENU
DECLARE_META_BIND(1, menu_toggle, RARCH_MENU_TOGGLE, "Menu toggle"),
#endif
};
/**
* input_translate_coord_viewport:
* @mouse_x : Pointer X coordinate.
* @mouse_y : Pointer Y coordinate.
* @res_x : Scaled X coordinate.
* @res_y : Scaled Y coordinate.
* @res_screen_x : Scaled screen X coordinate.
* @res_screen_y : Scaled screen Y coordinate.
*
* Translates pointer [X,Y] coordinates into scaled screen
* coordinates based on viewport info.
*
* Returns: true (1) if successful, false if video driver doesn't support
* viewport info.
**/
bool input_translate_coord_viewport(int mouse_x, int mouse_y,
int16_t *res_x, int16_t *res_y, int16_t *res_screen_x,
int16_t *res_screen_y)
{
int scaled_screen_x, scaled_screen_y, scaled_x, scaled_y;
struct video_viewport vp = {0};
if (!video_driver_viewport_info(&vp))
return false;
scaled_screen_x = (2 * mouse_x * 0x7fff) / (int)vp.full_width - 0x7fff;
scaled_screen_y = (2 * mouse_y * 0x7fff) / (int)vp.full_height - 0x7fff;
if (scaled_screen_x < -0x7fff || scaled_screen_x > 0x7fff)
scaled_screen_x = -0x8000; /* OOB */
if (scaled_screen_y < -0x7fff || scaled_screen_y > 0x7fff)
scaled_screen_y = -0x8000; /* OOB */
mouse_x -= vp.x;
mouse_y -= vp.y;
scaled_x = (2 * mouse_x * 0x7fff) / (int)vp.width - 0x7fff;
scaled_y = (2 * mouse_y * 0x7fff) / (int)vp.height - 0x7fff;
if (scaled_x < -0x7fff || scaled_x > 0x7fff)
scaled_x = -0x8000; /* OOB */
if (scaled_y < -0x7fff || scaled_y > 0x7fff)
scaled_y = -0x8000; /* OOB */
*res_x = scaled_x;
*res_y = scaled_y;
*res_screen_x = scaled_screen_x;
*res_screen_y = scaled_screen_y;
return true;
}
void input_config_parse_key(config_file_t *conf,
const char *prefix, const char *btn,
struct retro_keybind *bind)
{
char tmp[64];
char key[64];
fill_pathname_join_delim(key, prefix, btn, '_', sizeof(key));
if (config_get_array(conf, key, tmp, sizeof(tmp)))
bind->key = input_translate_str_to_rk(tmp);
}
const char *input_config_get_prefix(unsigned user, bool meta)
{
if (user == 0)
return meta ? "input" : bind_user_prefix[user];
if (user != 0 && !meta)
return bind_user_prefix[user];
/* Don't bother with meta bind for anyone else than first user. */
return NULL;
}
static enum retro_key find_rk_bind(const char *str)
{
size_t i;
for (i = 0; input_config_key_map[i].str; i++)
{
if (strcasecmp(input_config_key_map[i].str, str) == 0)
return input_config_key_map[i].key;
}
RARCH_WARN("Key name %s not found.\n", str);
return RETROK_UNKNOWN;
}
/**
* input_translate_str_to_rk:
* @str : String to translate to key ID.
*
* Translates tring representation to key identifier.
*
* Returns: key identifier.
**/
enum retro_key input_translate_str_to_rk(const char *str)
{
if (strlen(str) == 1 && isalpha((int)*str))
return (enum retro_key)(RETROK_a + (tolower((int)*str) - (int)'a'));
return find_rk_bind(str);
}
/**
* input_translate_str_to_bind_id:
* @str : String to translate to bind ID.
*
* Translate string representation to bind ID.
*
* Returns: Bind ID value on success, otherwise RARCH_BIND_LIST_END on not found.
**/
unsigned input_translate_str_to_bind_id(const char *str)
{
unsigned i;
for (i = 0; input_config_bind_map[i].valid; i++)
if (!strcmp(str, input_config_bind_map[i].base))
return i;
return RARCH_BIND_LIST_END;
}
static void parse_hat(struct retro_keybind *bind, const char *str)
{
uint16_t hat;
uint16_t hat_dir = 0;
char *dir = NULL;
if (!bind || !str)
return;
if (!isdigit((int)*str))
return;
hat = strtoul(str, &dir, 0);
if (!dir)
{
RARCH_WARN("Found invalid hat in config!\n");
return;
}
if (strcasecmp(dir, "up") == 0)
hat_dir = HAT_UP_MASK;
else if (strcasecmp(dir, "down") == 0)
hat_dir = HAT_DOWN_MASK;
else if (strcasecmp(dir, "left") == 0)
hat_dir = HAT_LEFT_MASK;
else if (strcasecmp(dir, "right") == 0)
hat_dir = HAT_RIGHT_MASK;
if (hat_dir)
bind->joykey = HAT_MAP(hat, hat_dir);
}
void input_config_parse_joy_button(config_file_t *conf, const char *prefix,
const char *btn, struct retro_keybind *bind)
{
char str[256] = {0};
char tmp[64] = {0};
char key[64] = {0};
char key_label[64] = {0};
char *tmp_a = NULL;
fill_pathname_join_delim(str, prefix, btn, '_', sizeof(str));
fill_pathname_join_delim(key, str, "btn", '_', sizeof(key));
fill_pathname_join_delim(key_label, str, "btn_label", '_', sizeof(key_label));
if (config_get_array(conf, key, tmp, sizeof(tmp)))
{
btn = tmp;
if (!strcmp(btn, "nul"))
bind->joykey = NO_BTN;
else
{
if (*btn == 'h')
parse_hat(bind, btn + 1);
else
bind->joykey = strtoull(tmp, NULL, 0);
}
}
if (config_get_string(conf, key_label, &tmp_a))
{
strlcpy(bind->joykey_label, tmp_a, sizeof(bind->joykey_label));
free(tmp_a);
}
}
void input_config_parse_joy_axis(config_file_t *conf, const char *prefix,
const char *axis, struct retro_keybind *bind)
{
char str[256] = {0};
char tmp[64] = {0};
char key[64] = {0};
char key_label[64] = {0};
char *tmp_a = NULL;
fill_pathname_join_delim(str, prefix, axis, '_', sizeof(str));
fill_pathname_join_delim(key, str, "axis", '_', sizeof(key));
fill_pathname_join_delim(key_label, str, "axis_label", '_', sizeof(key_label));
if (config_get_array(conf, key, tmp, sizeof(tmp)))
{
if (!strcmp(tmp, "nul"))
bind->joyaxis = AXIS_NONE;
else if (strlen(tmp) >= 2 && (*tmp == '+' || *tmp == '-'))
{
int i_axis = strtol(tmp + 1, NULL, 0);
if (*tmp == '+')
bind->joyaxis = AXIS_POS(i_axis);
else
bind->joyaxis = AXIS_NEG(i_axis);
}
/* Ensure that D-pad emulation doesn't screw this over. */
bind->orig_joyaxis = bind->joyaxis;
}
if (config_get_string(conf, key_label, &tmp_a))
{
strlcpy(bind->joyaxis_label, tmp_a, sizeof(bind->joyaxis_label));
free(tmp_a);
}
}
static void input_get_bind_string_joykey(char *buf, const char *prefix,
const struct retro_keybind *bind, size_t size)
{
settings_t *settings = config_get_ptr();
if (GET_HAT_DIR(bind->joykey))
{
const char *dir = NULL;
switch (GET_HAT_DIR(bind->joykey))
{
case HAT_UP_MASK:
dir = "up";
break;
case HAT_DOWN_MASK:
dir = "down";
break;
case HAT_LEFT_MASK:
dir = "left";
break;
case HAT_RIGHT_MASK:
dir = "right";
break;
default:
dir = "?";
break;
}
if (bind->joykey_label[0] != '\0' && settings->input.input_descriptor_label_show)
snprintf(buf, size, "%s %s ", prefix, bind->joykey_label);
else
snprintf(buf, size, "%sHat #%u %s ", prefix,
(unsigned)GET_HAT(bind->joykey), dir);
}
else
{
if (bind->joykey_label[0] != '\0' && settings->input.input_descriptor_label_show)
snprintf(buf, size, "%s%s (btn) ", prefix, bind->joykey_label);
else
snprintf(buf, size, "%s%u (btn) ", prefix, (unsigned)bind->joykey);
}
}
static void input_get_bind_string_joyaxis(char *buf, const char *prefix,
const struct retro_keybind *bind, size_t size)
{
unsigned axis = 0;
char dir = '\0';
settings_t *settings = config_get_ptr();
if (AXIS_NEG_GET(bind->joyaxis) != AXIS_DIR_NONE)
{
dir = '-';
axis = AXIS_NEG_GET(bind->joyaxis);
}
else if (AXIS_POS_GET(bind->joyaxis) != AXIS_DIR_NONE)
{
dir = '+';
axis = AXIS_POS_GET(bind->joyaxis);
}
if (bind->joyaxis_label[0] != '\0' && settings->input.input_descriptor_label_show)
snprintf(buf, size, "%s%s (axis) ", prefix, bind->joyaxis_label);
else
snprintf(buf, size, "%s%c%u (axis) ", prefix, dir, axis);
}
void input_get_bind_string(char *buf, const struct retro_keybind *bind,
const struct retro_keybind *auto_bind, size_t size)
{
char key[64] = {0};
char keybuf[64] = {0};
(void)key;
(void)keybuf;
*buf = '\0';
if (bind->joykey != NO_BTN)
input_get_bind_string_joykey(buf, "", bind, size);
else if (bind->joyaxis != AXIS_NONE)
input_get_bind_string_joyaxis(buf, "", bind, size);
else if (auto_bind && auto_bind->joykey != NO_BTN)
input_get_bind_string_joykey(buf, "Auto: ", auto_bind, size);
else if (auto_bind && auto_bind->joyaxis != AXIS_NONE)
input_get_bind_string_joyaxis(buf, "Auto: ", auto_bind, size);
#ifndef RARCH_CONSOLE
input_keymaps_translate_rk_to_str(bind->key, key, sizeof(key));
if (!strcmp(key, "nul"))
*key = '\0';
snprintf(keybuf, sizeof(keybuf), "(Key: %s)", key);
strlcat(buf, keybuf, size);
#endif
}
/**
* input_poll:
*
* Input polling callback function.
**/
void input_poll(void)
{
#ifdef HAVE_COMMAND
driver_t *driver = driver_get_ptr();
#endif
#ifdef HAVE_OVERLAY
settings_t *settings = config_get_ptr();
#endif
input_driver_ctl(RARCH_INPUT_CTL_POLL, NULL);
#ifdef HAVE_OVERLAY
input_poll_overlay(settings->input.overlay_opacity);
#endif
#ifdef HAVE_COMMAND
if (driver->command)
rarch_cmd_poll(driver->command);
#endif
#ifdef HAVE_NETWORK_GAMEPAD
/*if (driver->remote)
rarch_remote_poll(driver->remote);*/
#endif
}
/**
* input_state:
* @port : user number.
* @device : device identifier of user.
* @idx : index value of user.
* @id : identifier of key pressed by user.
*
* Input state callback function.
*
* Returns: Non-zero if the given key (identified by @id) was pressed by the user
* (assigned to @port).
**/
int16_t input_state(unsigned port, unsigned device,
unsigned idx, unsigned id)
{
size_t i;
const struct retro_keybind *libretro_input_binds[MAX_USERS];
int16_t res = 0;
settings_t *settings = config_get_ptr();
driver_t *driver = driver_get_ptr();
global_t *global = global_get_ptr();
const input_driver_t *input = driver ?
(const input_driver_t*)driver->input : NULL;
for (i = 0; i < MAX_USERS; i++)
libretro_input_binds[i] = settings->input.binds[i];
device &= RETRO_DEVICE_MASK;
if (global->bsv.movie && global->bsv.movie_playback)
{
int16_t ret;
if (bsv_movie_get_input(global->bsv.movie, &ret))
return ret;
global->bsv.movie_end = true;
}
if (settings->input.remap_binds_enable)
input_remapping_state(port, &device, &idx, &id);
if (!driver->flushing_input && !driver->block_libretro_input)
{
if (((id < RARCH_FIRST_META_KEY) || (device == RETRO_DEVICE_KEYBOARD)))
res = input->input_state(driver->input_data, libretro_input_binds, port, device, idx, id);
#ifdef HAVE_OVERLAY
input_state_overlay(&res, port, device, idx, id);
#endif
}
/* Don't allow turbo for D-pad. */
if (device == RETRO_DEVICE_JOYPAD && (id < RETRO_DEVICE_ID_JOYPAD_UP ||
id > RETRO_DEVICE_ID_JOYPAD_RIGHT))
{
/*
* Apply turbo button if activated.
*
* If turbo button is held, all buttons pressed except
* for D-pad will go into a turbo mode. Until the button is
* released again, the input state will be modulated by a
* periodic pulse defined by the configured duty cycle.
*/
if (res && global->turbo.frame_enable[port])
global->turbo.enable[port] |= (1 << id);
else if (!res)
global->turbo.enable[port] &= ~(1 << id);
if (global->turbo.enable[port] & (1 << id))
{
/* if turbo button is enabled for this key ID */
res = res && ((global->turbo.count % settings->input.turbo_period)
< settings->input.turbo_duty_cycle);
}
}
if (global->bsv.movie && !global->bsv.movie_playback)
bsv_movie_set_input(global->bsv.movie, res);
return res;
}
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