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RetroArch/retroarch.c

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2015 - Daniel De Matteis
* Copyright (C) 2012-2015 - Michael Lelli
*
* 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 <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include <boolean.h>
#include "libretro_version_1.h"
#include "dynamic.h"
#include "content.h"
#include "file_ops.h"
#include <file/file_path.h>
#include <file/dir_list.h>
#include "general.h"
#include "retroarch.h"
#include "settings.h"
#include <compat/strl.h>
#include "screenshot.h"
#include "performance.h"
#include "cheats.h"
#include <compat/getopt.h>
#include <compat/posix_string.h>
#include "input/keyboard_line.h"
#include "input/input_remapping.h"
#include "record/record_driver.h"
#include "git_version.h"
#include "intl/intl.h"
#ifdef HAVE_MENU
#include "menu/menu.h"
#include "menu/menu_shader.h"
#include "menu/menu_input.h"
#endif
#ifdef HAVE_NETWORKING
#include "net_compat.h"
#include "net_http.h"
#endif
#ifdef HAVE_NETPLAY
#include "netplay.h"
#endif
#ifdef _WIN32
#ifdef _XBOX
#include <xtl.h>
#else
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
#endif
/**
* rarch_render_cached_frame:
*
* Renders the current video frame.
**/
void rarch_render_cached_frame(void)
{
void *recording = driver.recording_data;
/* Cannot allow recording when pushing duped frames. */
driver.recording_data = NULL;
/* Not 100% safe, since the library might have
* freed the memory, but no known implementations do this.
* It would be really stupid at any rate ...
*/
if (driver.retro_ctx.frame_cb)
driver.retro_ctx.frame_cb(
(g_extern.frame_cache.data == RETRO_HW_FRAME_BUFFER_VALID)
? NULL : g_extern.frame_cache.data,
g_extern.frame_cache.width,
g_extern.frame_cache.height,
g_extern.frame_cache.pitch);
driver.recording_data = recording;
}
#include "config.features.h"
#define _PSUPP(var, name, desc) printf("\t%s:\n\t\t%s: %s\n", name, desc, _##var##_supp ? "yes" : "no")
static void print_features(void)
{
puts("");
puts("Features:");
_PSUPP(sdl, "SDL", "SDL drivers");
_PSUPP(sdl2, "SDL2", "SDL2 drivers");
_PSUPP(x11, "X11", "X11 drivers");
_PSUPP(wayland, "wayland", "Wayland drivers");
_PSUPP(thread, "Threads", "Threading support");
_PSUPP(opengl, "OpenGL", "OpenGL driver");
_PSUPP(kms, "KMS", "KMS/EGL context support");
_PSUPP(udev, "UDEV", "UDEV/EVDEV input driver support");
_PSUPP(egl, "EGL", "EGL context support");
_PSUPP(vg, "OpenVG", "OpenVG output support");
_PSUPP(xvideo, "XVideo", "XVideo output");
_PSUPP(alsa, "ALSA", "audio driver");
_PSUPP(oss, "OSS", "audio driver");
_PSUPP(jack, "Jack", "audio driver");
_PSUPP(rsound, "RSound", "audio driver");
_PSUPP(roar, "RoarAudio", "audio driver");
_PSUPP(pulse, "PulseAudio", "audio driver");
_PSUPP(dsound, "DirectSound", "audio driver");
_PSUPP(xaudio, "XAudio2", "audio driver");
_PSUPP(zlib, "zlib", "PNG encode/decode and .zip extraction");
_PSUPP(al, "OpenAL", "audio driver");
_PSUPP(dylib, "External", "External filter and plugin support");
_PSUPP(cg, "Cg", "Cg pixel shaders");
_PSUPP(libxml2, "libxml2", "libxml2 XML parsing");
_PSUPP(sdl_image, "SDL_image", "SDL_image image loading");
_PSUPP(fbo, "FBO", "OpenGL render-to-texture (multi-pass shaders)");
_PSUPP(dynamic, "Dynamic", "Dynamic run-time loading of libretro library");
_PSUPP(ffmpeg, "FFmpeg", "On-the-fly recording of gameplay with libavcodec");
_PSUPP(freetype, "FreeType", "TTF font rendering with FreeType");
_PSUPP(netplay, "Netplay", "Peer-to-peer netplay");
_PSUPP(python, "Python", "Script support in shaders");
}
#undef _PSUPP
/**
* print_compiler:
*
* Prints compiler that was used for compiling RetroArch.
**/
static void print_compiler(FILE *file)
{
fprintf(file, "\nCompiler: ");
#if defined(_MSC_VER)
fprintf(file, "MSVC (%d) %u-bit\n", _MSC_VER, (unsigned)
(CHAR_BIT * sizeof(size_t)));
#elif defined(__SNC__)
fprintf(file, "SNC (%d) %u-bit\n",
__SN_VER__, (unsigned)(CHAR_BIT * sizeof(size_t)));
#elif defined(_WIN32) && defined(__GNUC__)
fprintf(file, "MinGW (%d.%d.%d) %u-bit\n",
__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__, (unsigned)
(CHAR_BIT * sizeof(size_t)));
#elif defined(__clang__)
fprintf(file, "Clang/LLVM (%s) %u-bit\n",
__clang_version__, (unsigned)(CHAR_BIT * sizeof(size_t)));
#elif defined(__GNUC__)
fprintf(file, "GCC (%d.%d.%d) %u-bit\n",
__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__, (unsigned)
(CHAR_BIT * sizeof(size_t)));
#else
fprintf(file, "Unknown compiler %u-bit\n",
(unsigned)(CHAR_BIT * sizeof(size_t)));
#endif
fprintf(file, "Built: %s\n", __DATE__);
}
/**
* print_help:
*
* Prints help message explaining RetroArch's commandline switches.
**/
static void print_help(void)
{
puts("===================================================================");
#ifdef HAVE_GIT_VERSION
printf(RETRO_FRONTEND ": Frontend for libretro -- v" PACKAGE_VERSION " -- %s --\n", rarch_git_version);
#else
puts(RETRO_FRONTEND ": Frontend for libretro -- v" PACKAGE_VERSION " --");
#endif
print_compiler(stdout);
puts("===================================================================");
puts("Usage: retroarch [content file] [options...]");
puts("\t-h/--help: Show this help message.");
puts("\t--menu: Do not require content or libretro core to be loaded, starts directly in menu.");
puts("\t\tIf no arguments are passed to " RETRO_FRONTEND ", it is equivalent to using --menu as only argument.");
puts("\t--features: Prints available features compiled into " RETRO_FRONTEND ".");
puts("\t-s/--save: Path for save file (*.srm).");
puts("\t-f/--fullscreen: Start " RETRO_FRONTEND " in fullscreen regardless of config settings.");
puts("\t-S/--savestate: Path to use for save states. If not selected, *.state will be assumed.");
puts("\t-c/--config: Path for config file." RARCH_DEFAULT_CONF_PATH_STR);
puts("\t--appendconfig: Extra config files are loaded in, and take priority over config selected in -c (or default).");
puts("\t\tMultiple configs are delimited by ','.");
#ifdef HAVE_DYNAMIC
puts("\t-L/--libretro: Path to libretro implementation. Overrides any config setting.");
#endif
puts("\t--subsystem: Use a subsystem of the libretro core. Multiple content files are loaded as multiple arguments.");
puts("\t\tIf a content file is skipped, use a blank (\"\") command line argument");
puts("\t\tContent must be loaded in an order which depends on the particular subsystem used.");
puts("\t\tSee verbose log output to learn how a particular subsystem wants content to be loaded.");
printf("\t-N/--nodevice: Disconnects controller device connected to port (1 to %d).\n", MAX_USERS);
printf("\t-A/--dualanalog: Connect a DualAnalog controller to port (1 to %d).\n", MAX_USERS);
printf("\t-d/--device: Connect a generic device into port of the device (1 to %d).\n", MAX_USERS);
puts("\t\tFormat is port:ID, where ID is an unsigned number corresponding to the particular device.\n");
puts("\t-P/--bsvplay: Playback a BSV movie file.");
puts("\t-R/--bsvrecord: Start recording a BSV movie file from the beginning.");
puts("\t--eof-exit: Exit upon reaching the end of the BSV movie file.");
puts("\t-M/--sram-mode: Takes an argument telling how SRAM should be handled in the session.");
puts("\t\t{no,}load-{no,}save describes if SRAM should be loaded, and if SRAM should be saved.");
puts("\t\tDo note that noload-save implies that save files will be deleted and overwritten.");
#ifdef HAVE_NETPLAY
puts("\t-H/--host: Host netplay as user 1.");
puts("\t-C/--connect: Connect to netplay as user 2.");
puts("\t--port: Port used to netplay. Default is 55435.");
puts("\t-F/--frames: Sync frames when using netplay.");
puts("\t--spectate: Netplay will become spectating mode.");
puts("\t\tHost can live stream the game content to users that connect.");
puts("\t\tHowever, the client will not be able to play. Multiple clients can connect to the host.");
#endif
puts("\t--nick: Picks a username (for use with netplay). Not mandatory.");
#if defined(HAVE_NETWORK_CMD) && defined(HAVE_NETPLAY)
puts("\t--command: Sends a command over UDP to an already running " RETRO_FRONTEND " process.");
puts("\t\tAvailable commands are listed if command is invalid.");
#endif
puts("\t-r/--record: Path to record video file.\n\t\tUsing .mkv extension is recommended.");
puts("\t--recordconfig: Path to settings used during recording.");
puts("\t--size: Overrides output video size when recording (format: WIDTHxHEIGHT).");
puts("\t-v/--verbose: Verbose logging.");
puts("\t-U/--ups: Specifies path for UPS patch that will be applied to content.");
puts("\t--bps: Specifies path for BPS patch that will be applied to content.");
puts("\t--ips: Specifies path for IPS patch that will be applied to content.");
puts("\t--no-patch: Disables all forms of content patching.");
puts("\t-D/--detach: Detach " RETRO_FRONTEND " from the running console. Not relevant for all platforms.");
puts("\t--max-frames: Runs for the specified number of frames, then exits.\n");
}
static void set_basename(const char *path)
{
char *dst = NULL;
strlcpy(g_extern.fullpath, path, sizeof(g_extern.fullpath));
strlcpy(g_extern.basename, path, sizeof(g_extern.basename));
#ifdef HAVE_COMPRESSION
/* Removing extension is a bit tricky for compressed files.
* Basename means:
* /file/to/path/game.extension should be:
* /file/to/path/game
*
* Two things to consider here are: /file/to/path/ is expected
* to be a directory and "game" is a single file. This is used for
* states and srm default paths.
*
* For compressed files we have:
*
* /file/to/path/comp.7z#game.extension and
* /file/to/path/comp.7z#folder/game.extension
*
* The choice I take here is:
* /file/to/path/game as basename. We might end up in a writable
* directory then and the name of srm and states are meaningful.
*
*/
path_basedir(g_extern.basename);
fill_pathname_dir(g_extern.basename, path, "", sizeof(g_extern.basename));
#endif
if ((dst = strrchr(g_extern.basename, '.')))
*dst = '\0';
}
static void set_special_paths(char **argv, unsigned num_content)
{
unsigned i;
union string_list_elem_attr attr;
/* First content file is the significant one. */
set_basename(argv[0]);
g_extern.subsystem_fullpaths = string_list_new();
rarch_assert(g_extern.subsystem_fullpaths);
attr.i = 0;
for (i = 0; i < num_content; i++)
string_list_append(g_extern.subsystem_fullpaths, argv[i], attr);
/* We defer SRAM path updates until we can resolve it.
* It is more complicated for special content types. */
if (!g_extern.has_set_state_path)
fill_pathname_noext(g_extern.savestate_name, g_extern.basename,
".state", sizeof(g_extern.savestate_name));
if (path_is_directory(g_extern.savestate_name))
{
fill_pathname_dir(g_extern.savestate_name, g_extern.basename,
".state", sizeof(g_extern.savestate_name));
RARCH_LOG("Redirecting save state to \"%s\".\n",
g_extern.savestate_name);
}
/* If this is already set,
* do not overwrite it as this was initialized before in
* a menu or otherwise. */
if (!*g_settings.system_directory)
fill_pathname_basedir(g_settings.system_directory, argv[0],
sizeof(g_settings.system_directory));
}
static void set_paths_redirect(const char *path)
{
if (path_is_directory(g_extern.savefile_name))
{
fill_pathname_dir(g_extern.savefile_name, g_extern.basename,
".srm", sizeof(g_extern.savefile_name));
RARCH_LOG("Redirecting save file to \"%s\".\n", g_extern.savefile_name);
}
if (path_is_directory(g_extern.savestate_name))
{
fill_pathname_dir(g_extern.savestate_name, g_extern.basename,
".state", sizeof(g_extern.savestate_name));
RARCH_LOG("Redirecting save state to \"%s\".\n", g_extern.savestate_name);
}
if (path_is_directory(g_extern.cheatfile_name))
{
fill_pathname_dir(g_extern.cheatfile_name, g_extern.basename,
".state", sizeof(g_extern.cheatfile_name));
RARCH_LOG("Redirecting cheat file to \"%s\".\n", g_extern.cheatfile_name);
}
}
static void set_paths(const char *path)
{
set_basename(path);
if (!g_extern.has_set_save_path)
fill_pathname_noext(g_extern.savefile_name, g_extern.basename,
".srm", sizeof(g_extern.savefile_name));
if (!g_extern.has_set_state_path)
fill_pathname_noext(g_extern.savestate_name, g_extern.basename,
".state", sizeof(g_extern.savestate_name));
fill_pathname_noext(g_extern.cheatfile_name, g_extern.basename,
".cht", sizeof(g_extern.cheatfile_name));
set_paths_redirect(path);
/* If this is already set, do not overwrite it
* as this was initialized before in a menu or otherwise. */
if (*g_settings.system_directory)
return;
fill_pathname_basedir(g_settings.system_directory, path,
sizeof(g_settings.system_directory));
}
/**
* parse_input:
* @argc : Count of (commandline) arguments.
* @argv : (Commandline) arguments.
*
* Parses (commandline) arguments passed to RetroArch.
*
**/
static void parse_input(int argc, char *argv[])
{
g_extern.libretro_no_content = false;
g_extern.libretro_dummy = false;
g_extern.has_set_save_path = false;
g_extern.has_set_state_path = false;
g_extern.has_set_libretro = false;
g_extern.has_set_libretro_directory = false;
g_extern.has_set_verbosity = false;
g_extern.has_set_netplay_mode = false;
g_extern.has_set_username = false;
g_extern.has_set_netplay_ip_address = false;
g_extern.has_set_netplay_delay_frames = false;
g_extern.has_set_netplay_ip_port = false;
g_extern.has_set_ups_pref = false;
g_extern.has_set_bps_pref = false;
g_extern.has_set_ips_pref = false;
g_extern.ups_pref = false;
g_extern.bps_pref = false;
g_extern.ips_pref = false;
*g_extern.ups_name = '\0';
*g_extern.bps_name = '\0';
*g_extern.ips_name = '\0';
*g_extern.subsystem = '\0';
if (argc < 2)
{
g_extern.libretro_dummy = true;
return;
}
/* Make sure we can call parse_input several times ... */
optind = 0;
int val = 0;
const struct option opts[] = {
#ifdef HAVE_DYNAMIC
{ "libretro", 1, NULL, 'L' },
#endif
{ "menu", 0, &val, 'M' },
{ "help", 0, NULL, 'h' },
{ "save", 1, NULL, 's' },
{ "fullscreen", 0, NULL, 'f' },
{ "record", 1, NULL, 'r' },
{ "recordconfig", 1, &val, 'R' },
{ "size", 1, &val, 's' },
{ "verbose", 0, NULL, 'v' },
{ "config", 1, NULL, 'c' },
{ "appendconfig", 1, &val, 'C' },
{ "nodevice", 1, NULL, 'N' },
{ "dualanalog", 1, NULL, 'A' },
{ "device", 1, NULL, 'd' },
{ "savestate", 1, NULL, 'S' },
{ "bsvplay", 1, NULL, 'P' },
{ "bsvrecord", 1, NULL, 'R' },
{ "sram-mode", 1, NULL, 'M' },
#ifdef HAVE_NETPLAY
{ "host", 0, NULL, 'H' },
{ "connect", 1, NULL, 'C' },
{ "frames", 1, NULL, 'F' },
{ "port", 1, &val, 'p' },
{ "spectate", 0, &val, 'S' },
#endif
{ "nick", 1, &val, 'N' },
#if defined(HAVE_NETWORK_CMD) && defined(HAVE_NETPLAY)
{ "command", 1, &val, 'c' },
#endif
{ "ups", 1, NULL, 'U' },
{ "bps", 1, &val, 'B' },
{ "ips", 1, &val, 'I' },
{ "no-patch", 0, &val, 'n' },
{ "detach", 0, NULL, 'D' },
{ "features", 0, &val, 'f' },
{ "subsystem", 1, NULL, 'Z' },
{ "max-frames", 1, NULL, 'm' },
{ "eof-exit", 0, &val, 'e' },
{ NULL, 0, NULL, 0 }
};
#define FFMPEG_RECORD_ARG "r:"
#ifdef HAVE_DYNAMIC
#define DYNAMIC_ARG "L:"
#else
#define DYNAMIC_ARG
#endif
#ifdef HAVE_NETPLAY
#define NETPLAY_ARG "HC:F:"
#else
#define NETPLAY_ARG
#endif
#define BSV_MOVIE_ARG "P:R:M:"
const char *optstring = "hs:fvS:A:c:U:DN:d:" BSV_MOVIE_ARG NETPLAY_ARG DYNAMIC_ARG FFMPEG_RECORD_ARG;
for (;;)
{
val = 0;
int c = getopt_long(argc, argv, optstring, opts, NULL);
int port;
if (c == -1)
break;
switch (c)
{
case 'h':
print_help();
exit(0);
case 'Z':
strlcpy(g_extern.subsystem, optarg, sizeof(g_extern.subsystem));
break;
case 'd':
{
unsigned id = 0;
port = 0;
struct string_list *list = string_split(optarg, ":");
if (list && list->size == 2)
{
port = strtol(list->elems[0].data, NULL, 0);
id = strtoul(list->elems[1].data, NULL, 0);
}
string_list_free(list);
if (port < 1 || port > MAX_USERS)
{
RARCH_ERR("Connect device to a valid port.\n");
print_help();
rarch_fail(1, "parse_input()");
}
g_settings.input.libretro_device[port - 1] = id;
g_extern.has_set_libretro_device[port - 1] = true;
break;
}
case 'A':
port = strtol(optarg, NULL, 0);
if (port < 1 || port > MAX_USERS)
{
RARCH_ERR("Connect dualanalog to a valid port.\n");
print_help();
rarch_fail(1, "parse_input()");
}
g_settings.input.libretro_device[port - 1] = RETRO_DEVICE_ANALOG;
g_extern.has_set_libretro_device[port - 1] = true;
break;
case 's':
strlcpy(g_extern.savefile_name, optarg,
sizeof(g_extern.savefile_name));
g_extern.has_set_save_path = true;
break;
case 'f':
g_extern.force_fullscreen = true;
break;
case 'S':
strlcpy(g_extern.savestate_name, optarg,
sizeof(g_extern.savestate_name));
g_extern.has_set_state_path = true;
break;
case 'v':
g_extern.verbosity = true;
g_extern.has_set_verbosity = true;
break;
case 'N':
port = strtol(optarg, NULL, 0);
if (port < 1 || port > MAX_USERS)
{
RARCH_ERR("Disconnect device from a valid port.\n");
print_help();
rarch_fail(1, "parse_input()");
}
g_settings.input.libretro_device[port - 1] = RETRO_DEVICE_NONE;
g_extern.has_set_libretro_device[port - 1] = true;
break;
case 'c':
strlcpy(g_extern.config_path, optarg,
sizeof(g_extern.config_path));
break;
case 'r':
strlcpy(g_extern.record_path, optarg,
sizeof(g_extern.record_path));
g_extern.recording_enable = true;
break;
#ifdef HAVE_DYNAMIC
case 'L':
if (path_is_directory(optarg))
{
*g_settings.libretro = '\0';
strlcpy(g_settings.libretro_directory, optarg,
sizeof(g_settings.libretro_directory));
g_extern.has_set_libretro = true;
g_extern.has_set_libretro_directory = true;
RARCH_WARN("Using old --libretro behavior. Setting libretro_directory to \"%s\" instead.\n", optarg);
}
else
{
strlcpy(g_settings.libretro, optarg,
sizeof(g_settings.libretro));
g_extern.has_set_libretro = true;
}
break;
#endif
case 'P':
case 'R':
strlcpy(g_extern.bsv.movie_start_path, optarg,
sizeof(g_extern.bsv.movie_start_path));
g_extern.bsv.movie_start_playback = (c == 'P');
g_extern.bsv.movie_start_recording = (c == 'R');
break;
case 'M':
if (strcmp(optarg, "noload-nosave") == 0)
{
g_extern.sram_load_disable = true;
g_extern.sram_save_disable = true;
}
else if (strcmp(optarg, "noload-save") == 0)
g_extern.sram_load_disable = true;
else if (strcmp(optarg, "load-nosave") == 0)
g_extern.sram_save_disable = true;
else if (strcmp(optarg, "load-save") != 0)
{
RARCH_ERR("Invalid argument in --sram-mode.\n");
print_help();
rarch_fail(1, "parse_input()");
}
break;
#ifdef HAVE_NETPLAY
case 'H':
g_extern.has_set_netplay_ip_address = true;
g_extern.netplay_enable = true;
*g_extern.netplay_server = '\0';
break;
case 'C':
g_extern.has_set_netplay_ip_address = true;
g_extern.netplay_enable = true;
strlcpy(g_extern.netplay_server, optarg,
sizeof(g_extern.netplay_server));
break;
case 'F':
g_extern.netplay_sync_frames = strtol(optarg, NULL, 0);
g_extern.has_set_netplay_delay_frames = true;
break;
#endif
case 'U':
strlcpy(g_extern.ups_name, optarg,
sizeof(g_extern.ups_name));
g_extern.ups_pref = true;
g_extern.has_set_ups_pref = true;
break;
case 'D':
#if defined(_WIN32) && !defined(_XBOX)
FreeConsole();
#endif
break;
case 'm':
g_extern.max_frames = strtoul(optarg, NULL, 10);
break;
case 0:
switch (val)
{
case 'M':
g_extern.libretro_dummy = true;
break;
#ifdef HAVE_NETPLAY
case 'p':
g_extern.has_set_netplay_ip_port = true;
g_extern.netplay_port = strtoul(optarg, NULL, 0);
break;
case 'S':
g_extern.has_set_netplay_mode = true;
g_extern.netplay_is_spectate = true;
break;
#endif
case 'N':
g_extern.has_set_username = true;
strlcpy(g_settings.username, optarg,
sizeof(g_settings.username));
break;
#if defined(HAVE_NETWORK_CMD) && defined(HAVE_NETPLAY)
case 'c':
if (network_cmd_send(optarg))
exit(0);
else
rarch_fail(1, "network_cmd_send()");
break;
#endif
case 'C':
strlcpy(g_extern.append_config_path, optarg,
sizeof(g_extern.append_config_path));
break;
case 'B':
strlcpy(g_extern.bps_name, optarg,
sizeof(g_extern.bps_name));
g_extern.bps_pref = true;
g_extern.has_set_bps_pref = true;
break;
case 'I':
strlcpy(g_extern.ips_name, optarg,
sizeof(g_extern.ips_name));
g_extern.ips_pref = true;
g_extern.has_set_ips_pref = true;
break;
case 'n':
g_extern.block_patch = true;
break;
case 's':
{
if (sscanf(optarg, "%ux%u", &g_extern.record_width,
&g_extern.record_height) != 2)
{
RARCH_ERR("Wrong format for --size.\n");
print_help();
rarch_fail(1, "parse_input()");
}
break;
}
case 'R':
strlcpy(g_extern.record_config, optarg,
sizeof(g_extern.record_config));
break;
case 'f':
print_features();
exit(0);
case 'e':
g_extern.bsv.eof_exit = true;
break;
default:
break;
}
break;
case '?':
print_help();
rarch_fail(1, "parse_input()");
default:
RARCH_ERR("Error parsing arguments.\n");
rarch_fail(1, "parse_input()");
}
}
if (g_extern.libretro_dummy)
{
if (optind < argc)
{
RARCH_ERR("--menu was used, but content file was passed as well.\n");
rarch_fail(1, "parse_input()");
}
}
else if (!*g_extern.subsystem && optind < argc)
set_paths(argv[optind]);
else if (*g_extern.subsystem && optind < argc)
set_special_paths(argv + optind, argc - optind);
else
g_extern.libretro_no_content = true;
/* Copy SRM/state dirs used, so they can be reused on reentrancy. */
if (g_extern.has_set_save_path &&
path_is_directory(g_extern.savefile_name))
strlcpy(g_extern.savefile_dir, g_extern.savefile_name,
sizeof(g_extern.savefile_dir));
if (g_extern.has_set_state_path &&
path_is_directory(g_extern.savestate_name))
strlcpy(g_extern.savestate_dir, g_extern.savestate_name,
sizeof(g_extern.savestate_dir));
}
/**
* init_controllers:
*
* Initialize libretro controllers.
**/
static void init_controllers(void)
{
unsigned i;
for (i = 0; i < MAX_USERS; i++)
{
unsigned device = g_settings.input.libretro_device[i];
const struct retro_controller_description *desc = NULL;
const char *ident = NULL;
if (i < g_extern.system.num_ports)
desc = libretro_find_controller_description(
&g_extern.system.ports[i], device);
if (desc)
ident = desc->desc;
if (!ident)
{
/* If we're trying to connect a completely unknown device,
* revert back to JOYPAD. */
if (device != RETRO_DEVICE_JOYPAD && device != RETRO_DEVICE_NONE)
{
/* Do not fix g_settings.input.libretro_device[i],
* because any use of dummy core will reset this,
* which is not a good idea. */
RARCH_WARN("Input device ID %u is unknown to this libretro implementation. Using RETRO_DEVICE_JOYPAD.\n", device);
device = RETRO_DEVICE_JOYPAD;
}
ident = "Joypad";
}
switch (device)
{
case RETRO_DEVICE_NONE:
RARCH_LOG("Disconnecting device from port %u.\n", i + 1);
pretro_set_controller_port_device(i, device);
break;
case RETRO_DEVICE_JOYPAD:
break;
default:
/* Some cores do not properly range check port argument.
* This is broken behavior of course, but avoid breaking
* cores needlessly. */
RARCH_LOG("Connecting %s (ID: %u) to port %u.\n", ident,
device, i + 1);
pretro_set_controller_port_device(i, device);
break;
}
}
}
static bool load_save_files(void)
{
unsigned i;
if (!g_extern.savefiles || g_extern.sram_load_disable)
return false;
for (i = 0; i < g_extern.savefiles->size; i++)
load_ram_file(g_extern.savefiles->elems[i].data,
g_extern.savefiles->elems[i].attr.i);
return true;
}
static void save_files(void)
{
unsigned i;
if (!g_extern.savefiles || !g_extern.use_sram)
return;
for (i = 0; i < g_extern.savefiles->size; i++)
{
unsigned type = g_extern.savefiles->elems[i].attr.i;
const char *path = g_extern.savefiles->elems[i].data;
RARCH_LOG("Saving RAM type #%u to \"%s\".\n", type, path);
save_ram_file(path, type);
}
}
static void init_remapping(void)
{
if (!g_settings.input.remap_binds_enable)
return;
input_remapping_load_file(g_settings.input.remapping_path);
}
static void init_cheats(void)
{
bool allow_cheats = true;
#ifdef HAVE_NETPLAY
allow_cheats &= !driver.netplay_data;
#endif
allow_cheats &= !g_extern.bsv.movie;
if (!allow_cheats)
return;
/* TODO/FIXME - add some stuff here. */
}
static void init_rewind(void)
{
void *state = NULL;
#ifdef HAVE_NETPLAY
if (driver.netplay_data)
return;
#endif
if (!g_settings.rewind_enable || g_extern.state_manager)
return;
if (g_extern.system.audio_callback.callback)
{
RARCH_ERR(RETRO_LOG_REWIND_INIT_FAILED_THREADED_AUDIO);
return;
}
g_extern.state_size = pretro_serialize_size();
if (!g_extern.state_size)
{
RARCH_ERR(RETRO_LOG_REWIND_INIT_FAILED_NO_SAVESTATES);
return;
}
RARCH_LOG(RETRO_MSG_REWIND_INIT "%u MB\n",
(unsigned)(g_settings.rewind_buffer_size / 1000000));
g_extern.state_manager = state_manager_new(g_extern.state_size,
g_settings.rewind_buffer_size);
if (!g_extern.state_manager)
RARCH_WARN(RETRO_LOG_REWIND_INIT_FAILED);
state_manager_push_where(g_extern.state_manager, &state);
pretro_serialize(state, g_extern.state_size);
state_manager_push_do(g_extern.state_manager);
}
static void init_movie(void)
{
if (g_extern.bsv.movie_start_playback)
{
if (!(g_extern.bsv.movie = bsv_movie_init(g_extern.bsv.movie_start_path,
RARCH_MOVIE_PLAYBACK)))
{
RARCH_ERR("Failed to load movie file: \"%s\".\n",
g_extern.bsv.movie_start_path);
rarch_fail(1, "init_movie()");
}
g_extern.bsv.movie_playback = true;
msg_queue_push(g_extern.msg_queue, "Starting movie playback.", 2, 180);
RARCH_LOG("Starting movie playback.\n");
g_settings.rewind_granularity = 1;
}
else if (g_extern.bsv.movie_start_recording)
{
char msg[PATH_MAX_LENGTH];
snprintf(msg, sizeof(msg), "Starting movie record to \"%s\".",
g_extern.bsv.movie_start_path);
msg_queue_clear(g_extern.msg_queue);
if (!(g_extern.bsv.movie = bsv_movie_init(g_extern.bsv.movie_start_path,
RARCH_MOVIE_RECORD)))
{
msg_queue_push(g_extern.msg_queue, "Failed to start movie record.", 1, 180);
RARCH_ERR("Failed to start movie record.\n");
return;
}
msg_queue_push(g_extern.msg_queue, msg, 1, 180);
RARCH_LOG("Starting movie record to \"%s\".\n",
g_extern.bsv.movie_start_path);
g_settings.rewind_granularity = 1;
}
}
#define RARCH_DEFAULT_PORT 55435
#ifdef HAVE_NETPLAY
/**
* init_netplay:
*
* Initializes netplay.
*
* If netplay is already initialized, will return false (0).
*
* Returns: true (1) if successful, otherwise false (0).
**/
static bool init_netplay(void)
{
struct retro_callbacks cbs = {0};
if (!g_extern.netplay_enable)
return false;
if (g_extern.bsv.movie_start_playback)
{
RARCH_WARN(RETRO_LOG_MOVIE_STARTED_INIT_NETPLAY_FAILED);
return false;
}
retro_set_default_callbacks(&cbs);
if (*g_extern.netplay_server)
{
RARCH_LOG("Connecting to netplay host...\n");
g_extern.netplay_is_client = true;
}
else
RARCH_LOG("Waiting for client...\n");
driver.netplay_data = (netplay_t*)netplay_new(
g_extern.netplay_is_client ? g_extern.netplay_server : NULL,
g_extern.netplay_port ? g_extern.netplay_port : RARCH_DEFAULT_PORT,
g_extern.netplay_sync_frames, &cbs, g_extern.netplay_is_spectate,
g_settings.username);
if (driver.netplay_data)
return true;
g_extern.netplay_is_client = false;
RARCH_WARN(RETRO_LOG_INIT_NETPLAY_FAILED);
if (g_extern.msg_queue)
msg_queue_push(g_extern.msg_queue,
RETRO_MSG_INIT_NETPLAY_FAILED,
0, 180);
return false;
}
#endif
#ifdef HAVE_COMMAND
static void init_command(void)
{
if (!g_settings.stdin_cmd_enable && !g_settings.network_cmd_enable)
return;
if (g_settings.stdin_cmd_enable && driver.stdin_claimed)
{
RARCH_WARN("stdin command interface is desired, but input driver has already claimed stdin.\n"
"Cannot use this command interface.\n");
}
if (!(driver.command = rarch_cmd_new(g_settings.stdin_cmd_enable
&& !driver.stdin_claimed,
g_settings.network_cmd_enable, g_settings.network_cmd_port)))
RARCH_ERR("Failed to initialize command interface.\n");
}
#endif
#if defined(HAVE_THREADS)
static void init_autosave(void)
{
unsigned i;
if (g_settings.autosave_interval < 1 || !g_extern.savefiles)
return;
if (!(g_extern.autosave = (autosave_t**)calloc(g_extern.savefiles->size,
sizeof(*g_extern.autosave))))
return;
g_extern.num_autosave = g_extern.savefiles->size;
for (i = 0; i < g_extern.savefiles->size; i++)
{
const char *path = g_extern.savefiles->elems[i].data;
unsigned type = g_extern.savefiles->elems[i].attr.i;
if (pretro_get_memory_size(type) <= 0)
continue;
g_extern.autosave[i] = autosave_new(path,
pretro_get_memory_data(type),
pretro_get_memory_size(type),
g_settings.autosave_interval);
if (!g_extern.autosave[i])
RARCH_WARN(RETRO_LOG_INIT_AUTOSAVE_FAILED);
}
}
static void deinit_autosave(void)
{
unsigned i;
for (i = 0; i < g_extern.num_autosave; i++)
autosave_free(g_extern.autosave[i]);
if (g_extern.autosave)
free(g_extern.autosave);
g_extern.autosave = NULL;
g_extern.num_autosave = 0;
}
#endif
static void set_savestate_auto_index(void)
{
char state_dir[PATH_MAX_LENGTH], state_base[PATH_MAX_LENGTH];
size_t i;
struct string_list *dir_list = NULL;
unsigned max_idx = 0;
if (!g_settings.savestate_auto_index)
return;
/* Find the file in the same directory as g_extern.savestate_name
* with the largest numeral suffix.
*
* E.g. /foo/path/content.state, will try to find
* /foo/path/content.state%d, where %d is the largest number available.
*/
fill_pathname_basedir(state_dir, g_extern.savestate_name,
sizeof(state_dir));
fill_pathname_base(state_base, g_extern.savestate_name,
sizeof(state_base));
if (!(dir_list = dir_list_new(state_dir, NULL, false)))
return;
for (i = 0; i < dir_list->size; i++)
{
unsigned idx;
char elem_base[PATH_MAX_LENGTH];
const char *end = NULL;
const char *dir_elem = dir_list->elems[i].data;
fill_pathname_base(elem_base, dir_elem, sizeof(elem_base));
if (strstr(elem_base, state_base) != elem_base)
continue;
end = dir_elem + strlen(dir_elem);
while ((end > dir_elem) && isdigit(end[-1]))
end--;
idx = strtoul(end, NULL, 0);
if (idx > max_idx)
max_idx = idx;
}
dir_list_free(dir_list);
g_settings.state_slot = max_idx;
RARCH_LOG("Found last state slot: #%d\n", g_settings.state_slot);
}
static void rarch_init_savefile_paths(void)
{
rarch_main_command(RARCH_CMD_SAVEFILES_DEINIT);
g_extern.savefiles = string_list_new();
rarch_assert(g_extern.savefiles);
if (*g_extern.subsystem)
{
/* For subsystems, we know exactly which RAM types are supported. */
unsigned i, j;
const struct retro_subsystem_info *info =
libretro_find_subsystem_info(
g_extern.system.special, g_extern.system.num_special,
g_extern.subsystem);
/* We'll handle this error gracefully later. */
unsigned num_content = min(info ? info->num_roms : 0,
g_extern.subsystem_fullpaths ?
g_extern.subsystem_fullpaths->size : 0);
bool use_sram_dir = path_is_directory(g_extern.savefile_name);
for (i = 0; i < num_content; i++)
{
for (j = 0; j < info->roms[i].num_memory; j++)
{
union string_list_elem_attr attr;
char path[PATH_MAX_LENGTH], ext[32];
const struct retro_subsystem_memory_info *mem =
(const struct retro_subsystem_memory_info*)
&info->roms[i].memory[j];
snprintf(ext, sizeof(ext), ".%s", mem->extension);
if (use_sram_dir)
{
/* Redirect content fullpath to save directory. */
strlcpy(path, g_extern.savefile_name, sizeof(path));
fill_pathname_dir(path,
g_extern.subsystem_fullpaths->elems[i].data, ext,
sizeof(path));
}
else
{
fill_pathname(path, g_extern.subsystem_fullpaths->elems[i].data,
ext, sizeof(path));
}
attr.i = mem->type;
string_list_append(g_extern.savefiles, path, attr);
}
}
/* Let other relevant paths be inferred from the main SRAM location. */
if (!g_extern.has_set_save_path)
fill_pathname_noext(g_extern.savefile_name, g_extern.basename, ".srm",
sizeof(g_extern.savefile_name));
if (path_is_directory(g_extern.savefile_name))
{
fill_pathname_dir(g_extern.savefile_name, g_extern.basename, ".srm",
sizeof(g_extern.savefile_name));
RARCH_LOG("Redirecting save file to \"%s\".\n",
g_extern.savefile_name);
}
}
else
{
char savefile_name_rtc[PATH_MAX_LENGTH];
union string_list_elem_attr attr;
attr.i = RETRO_MEMORY_SAVE_RAM;
string_list_append(g_extern.savefiles, g_extern.savefile_name, attr);
/* Infer .rtc save path from save ram path. */
attr.i = RETRO_MEMORY_RTC;
fill_pathname(savefile_name_rtc,
g_extern.savefile_name, ".rtc", sizeof(savefile_name_rtc));
string_list_append(g_extern.savefiles, savefile_name_rtc, attr);
}
}
static void fill_pathnames(void)
{
rarch_init_savefile_paths();
fill_pathname(g_extern.bsv.movie_path, g_extern.savefile_name, "",
sizeof(g_extern.bsv.movie_path));
if (!*g_extern.basename)
return;
if (!*g_extern.ups_name)
fill_pathname_noext(g_extern.ups_name, g_extern.basename, ".ups",
sizeof(g_extern.ups_name));
if (!*g_extern.bps_name)
fill_pathname_noext(g_extern.bps_name, g_extern.basename, ".bps",
sizeof(g_extern.bps_name));
if (!*g_extern.ips_name)
fill_pathname_noext(g_extern.ips_name, g_extern.basename, ".ips",
sizeof(g_extern.ips_name));
}
static void load_auto_state(void)
{
char msg[PATH_MAX_LENGTH];
char savestate_name_auto[PATH_MAX_LENGTH];
bool ret;
#ifdef HAVE_NETPLAY
if (g_extern.netplay_enable && !g_extern.netplay_is_spectate)
return;
#endif
if (!g_settings.savestate_auto_load)
return;
fill_pathname_noext(savestate_name_auto, g_extern.savestate_name,
".auto", sizeof(savestate_name_auto));
if (!path_file_exists(savestate_name_auto))
return;
ret = load_state(savestate_name_auto);
RARCH_LOG("Found auto savestate in: %s\n", savestate_name_auto);
snprintf(msg, sizeof(msg), "Auto-loading savestate from \"%s\" %s.",
savestate_name_auto, ret ? "succeeded" : "failed");
msg_queue_push(g_extern.msg_queue, msg, 1, 180);
RARCH_LOG("%s\n", msg);
}
static bool save_auto_state(void)
{
bool ret;
char savestate_name_auto[PATH_MAX_LENGTH];
if (!g_settings.savestate_auto_save || g_extern.libretro_dummy ||
g_extern.libretro_no_content)
return false;
fill_pathname_noext(savestate_name_auto, g_extern.savestate_name,
".auto", sizeof(savestate_name_auto));
ret = save_state(savestate_name_auto);
RARCH_LOG("Auto save state to \"%s\" %s.\n", savestate_name_auto, ret ?
"succeeded" : "failed");
return true;
}
/**
* rarch_load_state
* @path : Path to state.
* @msg : Message.
* @sizeof_msg : Size of @msg.
*
* Loads a state with path being @path.
**/
static void rarch_load_state(const char *path,
char *msg, size_t sizeof_msg)
{
if (!load_state(path))
{
snprintf(msg, sizeof_msg,
"Failed to load state from \"%s\".", path);
return;
}
if (g_settings.state_slot < 0)
snprintf(msg, sizeof_msg,
"Loaded state from slot #-1 (auto).");
else
snprintf(msg, sizeof_msg,
"Loaded state from slot #%d.", g_settings.state_slot);
}
/**
* rarch_save_state
* @path : Path to state.
* @msg : Message.
* @sizeof_msg : Size of @msg.
*
* Saves a state with path being @path.
**/
static void rarch_save_state(const char *path,
char *msg, size_t sizeof_msg)
{
if (!save_state(path))
{
snprintf(msg, sizeof_msg,
"Failed to save state to \"%s\".", path);
return;
}
if (g_settings.state_slot < 0)
snprintf(msg, sizeof_msg,
"Saved state to slot #-1 (auto).");
else
snprintf(msg, sizeof_msg,
"Saved state to slot #%d.", g_settings.state_slot);
}
static void main_state(unsigned cmd)
{
char path[PATH_MAX_LENGTH], msg[PATH_MAX_LENGTH];
if (g_settings.state_slot > 0)
snprintf(path, sizeof(path), "%s%d",
g_extern.savestate_name, g_settings.state_slot);
else if (g_settings.state_slot < 0)
snprintf(path, sizeof(path), "%s.auto",
g_extern.savestate_name);
else
strlcpy(path, g_extern.savestate_name, sizeof(path));
if (pretro_serialize_size())
{
if (cmd == RARCH_CMD_SAVE_STATE)
rarch_save_state(path, msg, sizeof(msg));
else if (cmd == RARCH_CMD_LOAD_STATE)
rarch_load_state(path, msg, sizeof(msg));
}
else
strlcpy(msg, "Core does not support save states.", sizeof(msg));
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, msg, 2, 180);
RARCH_LOG("%s\n", msg);
}
/**
* rarch_disk_control_append_image:
* @path : Path to disk image.
*
* Appends disk image to disk image list.
**/
void rarch_disk_control_append_image(const char *path)
{
char msg[PATH_MAX_LENGTH];
unsigned new_idx;
const struct retro_disk_control_callback *control =
(const struct retro_disk_control_callback*)&g_extern.system.disk_control;
struct retro_game_info info = {0};
rarch_disk_control_set_eject(true, false);
control->add_image_index();
new_idx = control->get_num_images();
if (!new_idx)
return;
new_idx--;
info.path = path;
control->replace_image_index(new_idx, &info);
snprintf(msg, sizeof(msg), "Appended disk: %s", path);
RARCH_LOG("%s\n", msg);
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, msg, 0, 180);
rarch_main_command(RARCH_CMD_AUTOSAVE_DEINIT);
/* TODO: Need to figure out what to do with subsystems case. */
if (!*g_extern.subsystem)
{
/* Update paths for our new image.
* If we actually use append_image, we assume that we
* started out in a single disk case, and that this way
* of doing it makes the most sense. */
set_paths(path);
fill_pathnames();
}
rarch_main_command(RARCH_CMD_AUTOSAVE_INIT);
rarch_disk_control_set_eject(false, false);
}
/**
* rarch_disk_control_set_eject:
* @new_state : Eject or close the virtual drive tray.
* false (0) : Close
* true (1) : Eject
* @print_log : Show message onscreen.
*
* Ejects/closes of the virtual drive tray.
**/
void rarch_disk_control_set_eject(bool new_state, bool print_log)
{
char msg[PATH_MAX_LENGTH];
const struct retro_disk_control_callback *control =
(const struct retro_disk_control_callback*)&g_extern.system.disk_control;
bool error = false;
if (!control->get_num_images)
return;
*msg = '\0';
if (control->set_eject_state(new_state))
snprintf(msg, sizeof(msg), "%s virtual disk tray.",
new_state ? "Ejected" : "Closed");
else
{
error = true;
snprintf(msg, sizeof(msg), "Failed to %s virtual disk tray.",
new_state ? "eject" : "close");
}
if (*msg)
{
if (error)
RARCH_ERR("%s\n", msg);
else
RARCH_LOG("%s\n", msg);
/* Only noise in menu. */
if (print_log)
{
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, msg, 1, 180);
}
}
}
/**
* rarch_disk_control_set_index:
* @idx : Index of disk to set as current.
*
* Sets current disk to @index.
**/
void rarch_disk_control_set_index(unsigned idx)
{
char msg[PATH_MAX_LENGTH];
unsigned num_disks;
const struct retro_disk_control_callback *control =
(const struct retro_disk_control_callback*)&g_extern.system.disk_control;
bool error = false;
if (!control->get_num_images)
return;
*msg = '\0';
num_disks = control->get_num_images();
if (control->set_image_index(idx))
{
if (idx < num_disks)
snprintf(msg, sizeof(msg), "Setting disk %u of %u in tray.",
idx + 1, num_disks);
else
strlcpy(msg, "Removed disk from tray.", sizeof(msg));
}
else
{
if (idx < num_disks)
snprintf(msg, sizeof(msg), "Failed to set disk %u of %u.",
idx + 1, num_disks);
else
strlcpy(msg, "Failed to remove disk from tray.", sizeof(msg));
error = true;
}
if (*msg)
{
if (error)
RARCH_ERR("%s\n", msg);
else
RARCH_LOG("%s\n", msg);
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, msg, 1, 180);
}
}
/**
* check_disk_eject:
* @control : Handle to disk control handle.
*
* Perform disk eject (Core Disk Options).
**/
static void check_disk_eject(
const struct retro_disk_control_callback *control)
{
bool new_state = !control->get_eject_state();
rarch_disk_control_set_eject(new_state, true);
}
/**
* check_disk_next:
* @control : Handle to disk control handle.
*
* Perform disk cycle to next index action (Core Disk Options).
**/
static void check_disk_next(
const struct retro_disk_control_callback *control)
{
unsigned num_disks = control->get_num_images();
unsigned current = control->get_image_index();
bool disk_next_enable = num_disks && num_disks != UINT_MAX;
if (!disk_next_enable)
{
RARCH_ERR("Got invalid disk index from libretro.\n");
return;
}
if (current < num_disks - 1)
current++;
rarch_disk_control_set_index(current);
}
/**
* check_disk_prev:
* @control : Handle to disk control handle.
*
* Perform disk cycle to previous index action (Core Disk Options).
**/
static void check_disk_prev(
const struct retro_disk_control_callback *control)
{
unsigned num_disks = control->get_num_images();
unsigned current = control->get_image_index();
bool disk_prev_enable = num_disks && num_disks != UINT_MAX;
if (!disk_prev_enable)
{
RARCH_ERR("Got invalid disk index from libretro.\n");
return;
}
if (current > 0)
current--;
rarch_disk_control_set_index(current);
}
static void init_state(void)
{
driver.video_active = true;
driver.audio_active = true;
}
/**
* free_temporary_content:
*
* Frees temporary content handle.
**/
static void free_temporary_content(void)
{
unsigned i;
for (i = 0; i < g_extern.temporary_content->size; i++)
{
const char *path = g_extern.temporary_content->elems[i].data;
RARCH_LOG("Removing temporary content file: %s.\n", path);
if (remove(path) < 0)
RARCH_ERR("Failed to remove temporary file: %s.\n", path);
}
string_list_free(g_extern.temporary_content);
}
/* main_clear_state_extern:
*
* Clears all external state.
*
* XXX This memset is really dangerous.
*
* (a) it can leak memory because the pointers
* in g_extern aren't freed.
* (b) it can zero pointers that the rest of
* the code will look at.
*/
static void main_clear_state_extern(void)
{
rarch_main_command(RARCH_CMD_TEMPORARY_CONTENT_DEINIT);
rarch_main_command(RARCH_CMD_SUBSYSTEM_FULLPATHS_DEINIT);
rarch_main_command(RARCH_CMD_RECORD_DEINIT);
rarch_main_command(RARCH_CMD_LOG_FILE_DEINIT);
rarch_main_command(RARCH_CMD_HISTORY_DEINIT);
memset(&g_extern, 0, sizeof(g_extern));
}
/**
* main_clear_state:
* @inited : Init the drivers after teardown?
*
* Will teardown drivers and clears all
* internal state of RetroArch.
* If @inited is true, will initialize all
* drivers again after teardown.
**/
static void main_clear_state(bool inited)
{
unsigned i;
memset(&g_settings, 0, sizeof(g_settings));
if (inited)
rarch_main_command(RARCH_CMD_DRIVERS_DEINIT);
main_clear_state_extern();
if (inited)
rarch_main_command(RARCH_CMD_DRIVERS_INIT);
init_state();
for (i = 0; i < MAX_USERS; i++)
g_settings.input.libretro_device[i] = RETRO_DEVICE_JOYPAD;
}
void rarch_main_state_new(void)
{
main_clear_state(g_extern.main_is_init);
rarch_main_command(RARCH_CMD_MSG_QUEUE_INIT);
}
void rarch_main_state_free(void)
{
rarch_main_command(RARCH_CMD_MSG_QUEUE_DEINIT);
rarch_main_command(RARCH_CMD_LOG_FILE_DEINIT);
main_clear_state(false);
}
#ifdef HAVE_ZLIB
#define DEFAULT_EXT "zip"
#else
#define DEFAULT_EXT ""
#endif
static void init_system_info(void)
{
struct retro_system_info *info = (struct retro_system_info*)
&g_extern.system.info;
pretro_get_system_info(info);
if (!info->library_name)
info->library_name = "Unknown";
if (!info->library_version)
info->library_version = "v0";
#ifdef RARCH_CONSOLE
snprintf(g_extern.title_buf, sizeof(g_extern.title_buf), "%s %s",
info->library_name, info->library_version);
#else
snprintf(g_extern.title_buf, sizeof(g_extern.title_buf),
RETRO_FRONTEND " : %s %s",
info->library_name, info->library_version);
#endif
strlcpy(g_extern.system.valid_extensions, info->valid_extensions ?
info->valid_extensions : DEFAULT_EXT,
sizeof(g_extern.system.valid_extensions));
g_extern.system.block_extract = info->block_extract;
}
/*
* verify_api_version:
*
* Compare libretro core API version against API version
* used by RetroArch.
*
* TODO - when libretro v2 gets added, allow for switching
* between libretro version backend dynamically.
**/
static void verify_api_version(void)
{
RARCH_LOG("Version of libretro API: %u\n", pretro_api_version());
RARCH_LOG("Compiled against API: %u\n", RETRO_API_VERSION);
if (pretro_api_version() != RETRO_API_VERSION)
RARCH_WARN(RETRO_LOG_LIBRETRO_ABI_BREAK);
}
#define FAIL_CPU(simd_type) do { \
RARCH_ERR(simd_type " code is compiled in, but CPU does not support this feature. Cannot continue.\n"); \
rarch_fail(1, "validate_cpu_features()"); \
} while(0)
/* validate_cpu_features:
*
* Validates CPU features for given processor architecture.
*
* Make sure we haven't compiled for something we cannot run.
* Ideally, code would get swapped out depending on CPU support,
* but this will do for now.
*/
static void validate_cpu_features(void)
{
uint64_t cpu = rarch_get_cpu_features();
(void)cpu;
#ifdef __SSE__
if (!(cpu & RETRO_SIMD_SSE))
FAIL_CPU("SSE");
#endif
#ifdef __SSE2__
if (!(cpu & RETRO_SIMD_SSE2))
FAIL_CPU("SSE2");
#endif
#ifdef __AVX__
if (!(cpu & RETRO_SIMD_AVX))
FAIL_CPU("AVX");
#endif
}
/**
* init_system_av_info:
*
* Initialize system A/V information by calling the libretro core's
* get_system_av_info function.
**/
static void init_system_av_info(void)
{
pretro_get_system_av_info(&g_extern.system.av_info);
g_extern.frame_limit.last_frame_time = rarch_get_time_usec();
}
static void deinit_core(void)
{
pretro_unload_game();
pretro_deinit();
rarch_main_command(RARCH_CMD_DRIVERS_DEINIT);
uninit_libretro_sym();
}
static bool init_content(void)
{
/* No content to be loaded for dummy core,
* just successfully exit. */
if (g_extern.libretro_dummy)
return true;
if (!g_extern.libretro_no_content)
fill_pathnames();
if (!init_content_file())
return false;
if (g_extern.libretro_no_content)
return true;
set_savestate_auto_index();
if (load_save_files())
RARCH_LOG("Skipping SRAM load.\n");
load_auto_state();
rarch_main_command(RARCH_CMD_BSV_MOVIE_INIT);
rarch_main_command(RARCH_CMD_NETPLAY_INIT);
return true;
}
static bool init_core(void)
{
verify_api_version();
pretro_init();
g_extern.use_sram = !g_extern.libretro_dummy &&
!g_extern.libretro_no_content;
if (!init_content())
return false;
retro_init_libretro_cbs(&driver.retro_ctx);
init_system_av_info();
return true;
}
/**
* rarch_main_init:
* @argc : Count of (commandline) arguments.
* @argv : (Commandline) arguments.
*
* Initializes RetroArch.
*
* Returns: 0 on success, otherwise 1 if there was an error.
**/
int rarch_main_init(int argc, char *argv[])
{
int sjlj_ret;
init_state();
if ((sjlj_ret = setjmp(g_extern.error_sjlj_context)) > 0)
{
RARCH_ERR("Fatal error received in: \"%s\"\n", g_extern.error_string);
return sjlj_ret;
}
g_extern.error_in_init = true;
parse_input(argc, argv);
if (g_extern.verbosity)
{
RARCH_LOG_OUTPUT("=== Build =======================================");
print_compiler(stderr);
RARCH_LOG_OUTPUT("Version: %s\n", PACKAGE_VERSION);
#ifdef HAVE_GIT_VERSION
RARCH_LOG_OUTPUT("Git: %s\n", rarch_git_version);
#endif
RARCH_LOG_OUTPUT("=================================================\n");
}
validate_cpu_features();
config_load();
init_libretro_sym(g_extern.libretro_dummy);
init_system_info();
init_drivers_pre();
if (!rarch_main_command(RARCH_CMD_CORE_INIT))
goto error;
rarch_main_command(RARCH_CMD_DRIVERS_INIT);
rarch_main_command(RARCH_CMD_COMMAND_INIT);
rarch_main_command(RARCH_CMD_REWIND_INIT);
rarch_main_command(RARCH_CMD_CONTROLLERS_INIT);
rarch_main_command(RARCH_CMD_RECORD_INIT);
rarch_main_command(RARCH_CMD_CHEATS_INIT);
rarch_main_command(RARCH_CMD_REMAPPING_INIT);
rarch_main_command(RARCH_CMD_SAVEFILES_INIT);
g_extern.error_in_init = false;
g_extern.main_is_init = true;
return 0;
error:
rarch_main_command(RARCH_CMD_CORE_DEINIT);
g_extern.main_is_init = false;
return 1;
}
/**
* rarch_main_init_wrap:
* @args : Input arguments.
* @argc : Count of arguments.
* @argv : Arguments.
*
* Generates an @argc and @argv pair based on @args
* of type rarch_main_wrap.
**/
void rarch_main_init_wrap(const struct rarch_main_wrap *args,
int *argc, char **argv)
{
*argc = 0;
argv[(*argc)++] = strdup("retroarch");
if (!args->no_content)
{
if (args->content_path)
{
RARCH_LOG("Using content: %s.\n", args->content_path);
argv[(*argc)++] = strdup(args->content_path);
}
else
{
RARCH_LOG("No content, starting dummy core.\n");
argv[(*argc)++] = strdup("--menu");
}
}
if (args->sram_path)
{
argv[(*argc)++] = strdup("-s");
argv[(*argc)++] = strdup(args->sram_path);
}
if (args->state_path)
{
argv[(*argc)++] = strdup("-S");
argv[(*argc)++] = strdup(args->state_path);
}
if (args->config_path)
{
argv[(*argc)++] = strdup("-c");
argv[(*argc)++] = strdup(args->config_path);
}
#ifdef HAVE_DYNAMIC
if (args->libretro_path)
{
argv[(*argc)++] = strdup("-L");
argv[(*argc)++] = strdup(args->libretro_path);
}
#endif
if (args->verbose)
argv[(*argc)++] = strdup("-v");
#ifdef HAVE_FILE_LOGGER
for (i = 0; i < *argc; i++)
RARCH_LOG("arg #%d: %s\n", i, argv[i]);
#endif
}
void rarch_main_set_state(unsigned cmd)
{
switch (cmd)
{
case RARCH_ACTION_STATE_MENU_RUNNING:
#ifdef HAVE_MENU
{
menu_handle_t *menu = menu_driver_resolve();
if (!menu)
return;
if (driver.menu_ctx && driver.menu_ctx->toggle)
driver.menu_ctx->toggle(true);
/* Menu should always run with vsync on. */
rarch_main_command(RARCH_CMD_VIDEO_SET_BLOCKING_STATE);
/* Stop all rumbling before entering the menu. */
rarch_main_command(RARCH_CMD_RUMBLE_STOP);
if (g_settings.menu.pause_libretro)
rarch_main_command(RARCH_CMD_AUDIO_STOP);
/* Override keyboard callback to redirect to menu instead.
* We'll use this later for something ...
* FIXME: This should probably be moved to menu_common somehow. */
g_extern.frontend_key_event = g_extern.system.key_event;
g_extern.system.key_event = menu_input_key_event;
menu->need_refresh = true;
g_extern.system.frame_time_last = 0;
g_extern.is_menu = true;
}
#endif
break;
case RARCH_ACTION_STATE_LOAD_CONTENT:
#ifdef HAVE_MENU
/* If content loading fails, we go back to menu. */
if (!menu_load_content())
rarch_main_set_state(RARCH_ACTION_STATE_MENU_RUNNING);
#endif
if (driver.frontend_ctx && driver.frontend_ctx->content_loaded)
driver.frontend_ctx->content_loaded();
break;
case RARCH_ACTION_STATE_MENU_RUNNING_FINISHED:
#ifdef HAVE_MENU
menu_apply_deferred_settings();
if (driver.menu_ctx && driver.menu_ctx->toggle)
driver.menu_ctx->toggle(false);
g_extern.is_menu = false;
driver_set_nonblock_state(driver.nonblock_state);
if (g_settings.menu.pause_libretro)
rarch_main_command(RARCH_CMD_AUDIO_START);
/* Prevent stray input from going to libretro core */
driver.flushing_input = true;
/* Restore libretro keyboard callback. */
g_extern.system.key_event = g_extern.frontend_key_event;
#endif
if (driver.video_data && driver.video_poke &&
driver.video_poke->set_texture_enable)
driver.video_poke->set_texture_enable(driver.video_data,
false, false);
break;
case RARCH_ACTION_STATE_QUIT:
g_extern.system.shutdown = true;
rarch_main_set_state(RARCH_ACTION_STATE_MENU_RUNNING_FINISHED);
break;
case RARCH_ACTION_STATE_FORCE_QUIT:
g_extern.lifecycle_state = 0;
rarch_main_set_state(RARCH_ACTION_STATE_QUIT);
break;
case RARCH_ACTION_STATE_NONE:
default:
break;
}
}
/**
* save_core_config:
*
* Saves a new (core) configuration to a file. Filename is based
* on heuristics to avoid typing.
*
* Returns: true (1) on success, otherwise false (0).
**/
static bool save_core_config(void)
{
bool ret = false;
char config_dir[PATH_MAX_LENGTH], config_name[PATH_MAX_LENGTH],
config_path[PATH_MAX_LENGTH], msg[PATH_MAX_LENGTH];
bool found_path = false;
*config_dir = '\0';
if (*g_settings.menu_config_directory)
strlcpy(config_dir, g_settings.menu_config_directory,
sizeof(config_dir));
else if (*g_extern.config_path) /* Fallback */
fill_pathname_basedir(config_dir, g_extern.config_path,
sizeof(config_dir));
else
{
const char *message = "Config directory not set. Cannot save new config.";
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, message, 1, 180);
RARCH_ERR("%s\n", message);
return false;
}
/* Infer file name based on libretro core. */
if (*g_settings.libretro && path_file_exists(g_settings.libretro))
{
unsigned i;
/* In case of collision, find an alternative name. */
for (i = 0; i < 16; i++)
{
char tmp[64];
fill_pathname_base(config_name, g_settings.libretro,
sizeof(config_name));
path_remove_extension(config_name);
fill_pathname_join(config_path, config_dir, config_name,
sizeof(config_path));
*tmp = '\0';
if (i)
snprintf(tmp, sizeof(tmp), "-%u.cfg", i);
else
strlcpy(tmp, ".cfg", sizeof(tmp));
strlcat(config_path, tmp, sizeof(config_path));
if (!path_file_exists(config_path))
{
found_path = true;
break;
}
}
}
/* Fallback to system time... */
if (!found_path)
{
RARCH_WARN("Cannot infer new config path. Use current time.\n");
fill_dated_filename(config_name, "cfg", sizeof(config_name));
fill_pathname_join(config_path, config_dir, config_name,
sizeof(config_path));
}
if ((ret = config_save_file(config_path)))
{
strlcpy(g_extern.config_path, config_path,
sizeof(g_extern.config_path));
snprintf(msg, sizeof(msg), "Saved new config to \"%s\".",
config_path);
RARCH_LOG("%s\n", msg);
}
else
{
snprintf(msg, sizeof(msg), "Failed saving config to \"%s\".",
config_path);
RARCH_ERR("%s\n", msg);
}
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, msg, 1, 180);
return ret;
}
/**
* rarch_main_command:
* @cmd : Command index.
*
* Performs RetroArch command with index @cmd.
*
* Returns: true (1) on success, otherwise false (0).
**/
bool rarch_main_command(unsigned cmd)
{
unsigned i = 0;
bool boolean = false;
(void)i;
switch (cmd)
{
case RARCH_CMD_LOAD_CONTENT_PERSIST:
#ifdef HAVE_DYNAMIC
rarch_main_command(RARCH_CMD_LOAD_CORE);
#endif
rarch_main_set_state(RARCH_ACTION_STATE_LOAD_CONTENT);
break;
case RARCH_CMD_LOAD_CONTENT:
#ifdef HAVE_DYNAMIC
rarch_main_command(RARCH_CMD_LOAD_CONTENT_PERSIST);
#else
rarch_environment_cb(RETRO_ENVIRONMENT_SET_LIBRETRO_PATH,
(void*)g_settings.libretro);
rarch_environment_cb(RETRO_ENVIRONMENT_EXEC,
(void*)g_extern.fullpath);
rarch_main_command(RARCH_CMD_QUIT);
#endif
break;
case RARCH_CMD_LOAD_CORE:
{
#ifdef HAVE_MENU
menu_handle_t *menu = menu_driver_resolve();
if (menu)
rarch_update_system_info(&g_extern.menu.info,
&menu->load_no_content);
#endif
#ifndef HAVE_DYNAMIC
rarch_main_command(RARCH_CMD_QUIT);
#endif
}
break;
case RARCH_CMD_LOAD_STATE:
/* Immutable - disallow savestate load when
* we absolutely cannot change game state. */
if (g_extern.bsv.movie)
return false;
#ifdef HAVE_NETPLAY
if (driver.netplay_data)
return false;
#endif
main_state(cmd);
break;
case RARCH_CMD_RESIZE_WINDOWED_SCALE:
if (g_extern.pending.windowed_scale == 0)
return false;
g_settings.video.scale = g_extern.pending.windowed_scale;
if (!g_settings.video.fullscreen)
rarch_main_command(RARCH_CMD_REINIT);
g_extern.pending.windowed_scale = 0;
break;
case RARCH_CMD_MENU_TOGGLE:
if (g_extern.is_menu)
rarch_main_set_state(RARCH_ACTION_STATE_MENU_RUNNING_FINISHED);
else
rarch_main_set_state(RARCH_ACTION_STATE_MENU_RUNNING);
break;
case RARCH_CMD_CONTROLLERS_INIT:
init_controllers();
break;
case RARCH_CMD_RESET:
RARCH_LOG(RETRO_LOG_RESETTING_CONTENT);
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, "Reset.", 1, 120);
pretro_reset();
/* bSNES since v073r01 resets controllers to JOYPAD
* after a reset, so just enforce it here. */
rarch_main_command(RARCH_CMD_CONTROLLERS_INIT);
break;
case RARCH_CMD_SAVE_STATE:
if (g_settings.savestate_auto_index)
g_settings.state_slot++;
main_state(cmd);
break;
case RARCH_CMD_TAKE_SCREENSHOT:
if (!take_screenshot())
return false;
break;
case RARCH_CMD_PREPARE_DUMMY:
{
menu_handle_t *menu = menu_driver_resolve();
*g_extern.fullpath = '\0';
(void)menu;
#ifdef HAVE_MENU
if (menu)
menu->load_no_content = false;
#endif
rarch_main_set_state(RARCH_ACTION_STATE_LOAD_CONTENT);
g_extern.system.shutdown = false;
}
break;
case RARCH_CMD_QUIT:
rarch_main_set_state(RARCH_ACTION_STATE_QUIT);
break;
case RARCH_CMD_REINIT:
driver.video_cache_context =
g_extern.system.hw_render_callback.cache_context;
driver.video_cache_context_ack = false;
rarch_main_command(RARCH_CMD_RESET_CONTEXT);
driver.video_cache_context = false;
/* Poll input to avoid possibly stale data to corrupt things. */
driver.input->poll(driver.input_data);
#ifdef HAVE_MENU
if (g_extern.is_menu)
rarch_main_command(RARCH_CMD_VIDEO_SET_BLOCKING_STATE);
#endif
break;
case RARCH_CMD_CHEATS_DEINIT:
if (g_extern.cheat)
cheat_manager_free(g_extern.cheat);
g_extern.cheat = NULL;
break;
case RARCH_CMD_CHEATS_INIT:
rarch_main_command(RARCH_CMD_CHEATS_DEINIT);
init_cheats();
break;
case RARCH_CMD_REMAPPING_DEINIT:
break;
case RARCH_CMD_REMAPPING_INIT:
rarch_main_command(RARCH_CMD_REMAPPING_DEINIT);
init_remapping();
break;
case RARCH_CMD_REWIND_DEINIT:
#ifdef HAVE_NETPLAY
if (driver.netplay_data)
return false;
#endif
if (g_extern.state_manager)
state_manager_free(g_extern.state_manager);
g_extern.state_manager = NULL;
break;
case RARCH_CMD_REWIND_INIT:
init_rewind();
break;
case RARCH_CMD_REWIND_TOGGLE:
if (g_settings.rewind_enable)
rarch_main_command(RARCH_CMD_REWIND_INIT);
else
rarch_main_command(RARCH_CMD_REWIND_DEINIT);
break;
case RARCH_CMD_AUTOSAVE_DEINIT:
#ifdef HAVE_THREADS
deinit_autosave();
#endif
break;
case RARCH_CMD_AUTOSAVE_INIT:
rarch_main_command(RARCH_CMD_AUTOSAVE_DEINIT);
#ifdef HAVE_THREADS
init_autosave();
#endif
break;
case RARCH_CMD_AUTOSAVE_STATE:
save_auto_state();
break;
case RARCH_CMD_AUDIO_STOP:
if (!driver.audio_data)
return false;
if (!driver.audio->alive(driver.audio_data))
return false;
driver.audio->stop(driver.audio_data);
break;
case RARCH_CMD_AUDIO_START:
if (!driver.audio_data || driver.audio->alive(driver.audio_data))
return false;
if (!g_settings.audio.mute_enable
&& !driver.audio->start(driver.audio_data))
{
RARCH_ERR("Failed to start audio driver. Will continue without audio.\n");
driver.audio_active = false;
}
break;
case RARCH_CMD_AUDIO_MUTE_TOGGLE:
{
const char *msg = !g_settings.audio.mute_enable ?
"Audio muted." : "Audio unmuted.";
if (!audio_driver_mute_toggle())
{
RARCH_ERR("Failed to unmute audio.\n");
return false;
}
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, msg, 1, 180);
RARCH_LOG("%s\n", msg);
}
break;
case RARCH_CMD_OVERLAY_DEINIT:
#ifdef HAVE_OVERLAY
if (driver.overlay)
input_overlay_free(driver.overlay);
driver.overlay = NULL;
memset(&driver.overlay_state, 0, sizeof(driver.overlay_state));
#endif
break;
case RARCH_CMD_OVERLAY_INIT:
rarch_main_command(RARCH_CMD_OVERLAY_DEINIT);
#ifdef HAVE_OVERLAY
if (driver.osk_active)
{
if (!*g_settings.osk.overlay)
break;
}
else
{
if (!*g_settings.input.overlay)
break;
}
driver.overlay = input_overlay_new(driver.osk_active ? g_settings.osk.overlay : g_settings.input.overlay,
driver.osk_active ? g_settings.osk.enable : g_settings.input.overlay_enable,
g_settings.input.overlay_opacity, g_settings.input.overlay_scale);
if (!driver.overlay)
RARCH_ERR("Failed to load overlay.\n");
#endif
break;
case RARCH_CMD_OVERLAY_NEXT:
#ifdef HAVE_OVERLAY
input_overlay_next(driver.overlay, g_settings.input.overlay_opacity);
#endif
break;
case RARCH_CMD_DSP_FILTER_DEINIT:
if (g_extern.audio_data.dsp)
rarch_dsp_filter_free(g_extern.audio_data.dsp);
g_extern.audio_data.dsp = NULL;
break;
case RARCH_CMD_DSP_FILTER_INIT:
rarch_main_command(RARCH_CMD_DSP_FILTER_DEINIT);
if (!*g_settings.audio.dsp_plugin)
break;
g_extern.audio_data.dsp = rarch_dsp_filter_new(
g_settings.audio.dsp_plugin, g_extern.audio_data.in_rate);
if (!g_extern.audio_data.dsp)
RARCH_ERR("[DSP]: Failed to initialize DSP filter \"%s\".\n",
g_settings.audio.dsp_plugin);
break;
case RARCH_CMD_GPU_RECORD_DEINIT:
if (g_extern.record_gpu_buffer)
free(g_extern.record_gpu_buffer);
g_extern.record_gpu_buffer = NULL;
break;
case RARCH_CMD_RECORD_DEINIT:
if (!recording_deinit())
return false;
break;
case RARCH_CMD_RECORD_INIT:
rarch_main_command(RARCH_CMD_HISTORY_DEINIT);
if (!recording_init())
return false;
break;
case RARCH_CMD_HISTORY_DEINIT:
if (g_defaults.history)
content_playlist_free(g_defaults.history);
g_defaults.history = NULL;
break;
case RARCH_CMD_HISTORY_INIT:
rarch_main_command(RARCH_CMD_HISTORY_DEINIT);
if (!g_settings.history_list_enable)
return false;
RARCH_LOG("Loading history file: [%s].\n", g_settings.content_history_path);
g_defaults.history = content_playlist_init(
g_settings.content_history_path,
g_settings.content_history_size);
break;
case RARCH_CMD_CORE_INFO_DEINIT:
if (g_extern.core_info)
core_info_list_free(g_extern.core_info);
g_extern.core_info = NULL;
break;
case RARCH_CMD_CORE_INFO_INIT:
rarch_main_command(RARCH_CMD_CORE_INFO_DEINIT);
if (*g_settings.libretro_directory && !g_extern.core_info)
g_extern.core_info = core_info_list_new(g_settings.libretro_directory);
break;
case RARCH_CMD_CORE_DEINIT:
deinit_core();
break;
case RARCH_CMD_CORE_INIT:
if (!init_core())
return false;
break;
case RARCH_CMD_VIDEO_APPLY_STATE_CHANGES:
if (driver.video_data && driver.video_poke
&& driver.video_poke->apply_state_changes)
driver.video_poke->apply_state_changes(driver.video_data);
break;
case RARCH_CMD_VIDEO_SET_NONBLOCKING_STATE:
boolean = true; /* fall-through */
case RARCH_CMD_VIDEO_SET_BLOCKING_STATE:
if (driver.video && driver.video->set_nonblock_state)
driver.video->set_nonblock_state(driver.video_data, boolean);
break;
case RARCH_CMD_VIDEO_SET_ASPECT_RATIO:
if (driver.video_data && driver.video_poke
&& driver.video_poke->set_aspect_ratio)
driver.video_poke->set_aspect_ratio(driver.video_data,
g_settings.video.aspect_ratio_idx);
break;
case RARCH_CMD_AUDIO_SET_NONBLOCKING_STATE:
boolean = true; /* fall-through */
case RARCH_CMD_AUDIO_SET_BLOCKING_STATE:
if (driver.audio && driver.audio->set_nonblock_state)
driver.audio->set_nonblock_state(driver.audio_data, boolean);
break;
case RARCH_CMD_OVERLAY_SET_SCALE_FACTOR:
#ifdef HAVE_OVERLAY
input_overlay_set_scale_factor(driver.overlay,
g_settings.input.overlay_scale);
#endif
break;
case RARCH_CMD_OVERLAY_SET_ALPHA_MOD:
#ifdef HAVE_OVERLAY
input_overlay_set_alpha_mod(driver.overlay,
g_settings.input.overlay_opacity);
#endif
break;
case RARCH_CMD_DRIVERS_DEINIT:
uninit_drivers(DRIVERS_CMD_ALL);
break;
case RARCH_CMD_DRIVERS_INIT:
init_drivers(DRIVERS_CMD_ALL);
break;
case RARCH_CMD_AUDIO_REINIT:
uninit_drivers(DRIVER_AUDIO);
init_drivers(DRIVER_AUDIO);
break;
case RARCH_CMD_RESET_CONTEXT:
rarch_main_command(RARCH_CMD_DRIVERS_DEINIT);
rarch_main_command(RARCH_CMD_DRIVERS_INIT);
break;
case RARCH_CMD_QUIT_RETROARCH:
rarch_main_set_state(RARCH_ACTION_STATE_FORCE_QUIT);
break;
case RARCH_CMD_RESUME:
rarch_main_set_state(RARCH_ACTION_STATE_MENU_RUNNING_FINISHED);
break;
case RARCH_CMD_RESTART_RETROARCH:
#if defined(GEKKO) && defined(HW_RVL)
fill_pathname_join(g_extern.fullpath, g_defaults.core_dir,
SALAMANDER_FILE,
sizeof(g_extern.fullpath));
#endif
if (driver.frontend_ctx && driver.frontend_ctx->set_fork)
driver.frontend_ctx->set_fork(true, false);
break;
case RARCH_CMD_MENU_SAVE_CONFIG:
if (!save_core_config())
return false;
break;
case RARCH_CMD_SHADERS_APPLY_CHANGES:
#ifdef HAVE_MENU
menu_shader_manager_apply_changes();
#endif
break;
case RARCH_CMD_PAUSE_CHECKS:
if (g_extern.is_paused)
{
RARCH_LOG("Paused.\n");
rarch_main_command(RARCH_CMD_AUDIO_STOP);
if (g_settings.video.black_frame_insertion)
rarch_render_cached_frame();
}
else
{
RARCH_LOG("Unpaused.\n");
rarch_main_command(RARCH_CMD_AUDIO_START);
}
break;
case RARCH_CMD_PAUSE_TOGGLE:
g_extern.is_paused = !g_extern.is_paused;
rarch_main_command(RARCH_CMD_PAUSE_CHECKS);
break;
case RARCH_CMD_UNPAUSE:
g_extern.is_paused = false;
rarch_main_command(RARCH_CMD_PAUSE_CHECKS);
break;
case RARCH_CMD_PAUSE:
g_extern.is_paused = true;
rarch_main_command(RARCH_CMD_PAUSE_CHECKS);
break;
case RARCH_CMD_MENU_PAUSE_LIBRETRO:
if (g_extern.is_menu)
{
if (g_settings.menu.pause_libretro)
rarch_main_command(RARCH_CMD_AUDIO_STOP);
else
rarch_main_command(RARCH_CMD_AUDIO_START);
}
else
{
if (g_settings.menu.pause_libretro)
rarch_main_command(RARCH_CMD_AUDIO_START);
}
break;
case RARCH_CMD_SHADER_DIR_DEINIT:
dir_list_free(g_extern.shader_dir.list);
g_extern.shader_dir.list = NULL;
g_extern.shader_dir.ptr = 0;
break;
case RARCH_CMD_SHADER_DIR_INIT:
rarch_main_command(RARCH_CMD_SHADER_DIR_DEINIT);
if (!*g_settings.video.shader_dir)
return false;
g_extern.shader_dir.list = dir_list_new(g_settings.video.shader_dir,
"cg|cgp|glsl|glslp", false);
if (!g_extern.shader_dir.list || g_extern.shader_dir.list->size == 0)
{
rarch_main_command(RARCH_CMD_SHADER_DIR_DEINIT);
return false;
}
g_extern.shader_dir.ptr = 0;
dir_list_sort(g_extern.shader_dir.list, false);
for (i = 0; i < g_extern.shader_dir.list->size; i++)
RARCH_LOG("Found shader \"%s\"\n",
g_extern.shader_dir.list->elems[i].data);
break;
case RARCH_CMD_SAVEFILES:
save_files();
break;
case RARCH_CMD_SAVEFILES_DEINIT:
if (g_extern.savefiles)
string_list_free(g_extern.savefiles);
g_extern.savefiles = NULL;
break;
case RARCH_CMD_SAVEFILES_INIT:
g_extern.use_sram = g_extern.use_sram && !g_extern.sram_save_disable
#ifdef HAVE_NETPLAY
&& (!driver.netplay_data || !g_extern.netplay_is_client)
#endif
;
if (!g_extern.use_sram)
RARCH_LOG("SRAM will not be saved.\n");
if (g_extern.use_sram)
rarch_main_command(RARCH_CMD_AUTOSAVE_INIT);
break;
case RARCH_CMD_MSG_QUEUE_DEINIT:
if (g_extern.msg_queue)
msg_queue_free(g_extern.msg_queue);
g_extern.msg_queue = NULL;
break;
case RARCH_CMD_MSG_QUEUE_INIT:
rarch_main_command(RARCH_CMD_MSG_QUEUE_DEINIT);
if (!g_extern.msg_queue)
rarch_assert(g_extern.msg_queue = msg_queue_new(8));
#ifdef HAVE_NETWORKING
if (!g_extern.http_msg_queue)
rarch_assert(g_extern.http_msg_queue = msg_queue_new(8));
#endif
break;
case RARCH_CMD_BSV_MOVIE_DEINIT:
if (g_extern.bsv.movie)
bsv_movie_free(g_extern.bsv.movie);
g_extern.bsv.movie = NULL;
break;
case RARCH_CMD_BSV_MOVIE_INIT:
rarch_main_command(RARCH_CMD_BSV_MOVIE_DEINIT);
init_movie();
break;
case RARCH_CMD_NETPLAY_DEINIT:
#ifdef HAVE_NETPLAY
{
netplay_t *netplay = (netplay_t*)driver.netplay_data;
if (netplay)
netplay_free(netplay);
driver.netplay_data = NULL;
}
#endif
break;
case RARCH_CMD_NETWORK_DEINIT:
#ifdef HAVE_NETWORKING
network_deinit();
#endif
break;
case RARCH_CMD_NETWORK_INIT:
#ifdef HAVE_NETWORKING
network_init();
#endif
break;
case RARCH_CMD_NETPLAY_INIT:
rarch_main_command(RARCH_CMD_NETPLAY_DEINIT);
#ifdef HAVE_NETPLAY
if (!init_netplay())
return false;
#endif
break;
case RARCH_CMD_NETPLAY_FLIP_PLAYERS:
#ifdef HAVE_NETPLAY
{
netplay_t *netplay = (netplay_t*)driver.netplay_data;
if (!netplay)
return false;
netplay_flip_users(netplay);
}
#endif
break;
case RARCH_CMD_FULLSCREEN_TOGGLE:
if (!driver.video)
return false;
/* If video driver/context does not support windowed
* mode, don't perform command. */
if (!driver.video->has_windowed(driver.video_data))
return false;
/* If we go fullscreen we drop all drivers and
* reinitialize to be safe. */
g_settings.video.fullscreen = !g_settings.video.fullscreen;
rarch_main_command(RARCH_CMD_REINIT);
break;
case RARCH_CMD_COMMAND_DEINIT:
#ifdef HAVE_COMMAND
if (driver.command)
rarch_cmd_free(driver.command);
driver.command = NULL;
#endif
break;
case RARCH_CMD_COMMAND_INIT:
rarch_main_command(RARCH_CMD_COMMAND_DEINIT);
#ifdef HAVE_COMMAND
init_command();
#endif
break;
case RARCH_CMD_TEMPORARY_CONTENT_DEINIT:
if (g_extern.temporary_content)
free_temporary_content();
g_extern.temporary_content = NULL;
break;
case RARCH_CMD_SUBSYSTEM_FULLPATHS_DEINIT:
if (g_extern.subsystem_fullpaths)
string_list_free(g_extern.subsystem_fullpaths);
g_extern.subsystem_fullpaths = NULL;
break;
case RARCH_CMD_LOG_FILE_DEINIT:
if (g_extern.log_file)
fclose(g_extern.log_file);
g_extern.log_file = NULL;
break;
case RARCH_CMD_DISK_EJECT_TOGGLE:
if (g_extern.system.disk_control.get_num_images)
{
const struct retro_disk_control_callback *control =
(const struct retro_disk_control_callback*)
&g_extern.system.disk_control;
if (control)
check_disk_eject(control);
}
else
{
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, "Core does not support Disk Options.", 1, 120);
}
break;
case RARCH_CMD_DISK_NEXT:
if (g_extern.system.disk_control.get_num_images)
{
const struct retro_disk_control_callback *control =
(const struct retro_disk_control_callback*)
&g_extern.system.disk_control;
if (!control)
return false;
if (!control->get_eject_state())
return false;
check_disk_next(control);
}
else
{
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, "Core does not support Disk Options.", 1, 120);
}
break;
case RARCH_CMD_DISK_PREV:
if (g_extern.system.disk_control.get_num_images)
{
const struct retro_disk_control_callback *control =
(const struct retro_disk_control_callback*)
&g_extern.system.disk_control;
if (!control)
return false;
if (!control->get_eject_state())
return false;
check_disk_prev(control);
}
else
{
msg_queue_clear(g_extern.msg_queue);
msg_queue_push(g_extern.msg_queue, "Core does not support Disk Options.", 1, 120);
}
break;
case RARCH_CMD_RUMBLE_STOP:
for (i = 0; i < MAX_USERS; i++)
{
input_driver_set_rumble_state(i, RETRO_RUMBLE_STRONG, 0);
input_driver_set_rumble_state(i, RETRO_RUMBLE_WEAK, 0);
}
break;
case RARCH_CMD_GRAB_MOUSE_TOGGLE:
{
static bool grab_mouse_state = false;
if (!driver.input || !driver.input->grab_mouse)
return false;
grab_mouse_state = !grab_mouse_state;
RARCH_LOG("Grab mouse state: %s.\n",
grab_mouse_state ? "yes" : "no");
driver.input->grab_mouse(driver.input_data, grab_mouse_state);
if (driver.video_poke && driver.video_poke->show_mouse)
driver.video_poke->show_mouse(
driver.video_data, !grab_mouse_state);
}
break;
case RARCH_CMD_PERFCNT_REPORT_FRONTEND_LOG:
rarch_perf_log();
break;
}
return true;
}
/**
* rarch_main_deinit:
*
* Deinitializes RetroArch.
**/
void rarch_main_deinit(void)
{
rarch_main_command(RARCH_CMD_NETPLAY_DEINIT);
rarch_main_command(RARCH_CMD_COMMAND_DEINIT);
if (g_extern.use_sram)
rarch_main_command(RARCH_CMD_AUTOSAVE_DEINIT);
rarch_main_command(RARCH_CMD_RECORD_DEINIT);
rarch_main_command(RARCH_CMD_SAVEFILES);
rarch_main_command(RARCH_CMD_REWIND_DEINIT);
rarch_main_command(RARCH_CMD_CHEATS_DEINIT);
rarch_main_command(RARCH_CMD_BSV_MOVIE_DEINIT);
rarch_main_command(RARCH_CMD_AUTOSAVE_STATE);
rarch_main_command(RARCH_CMD_CORE_DEINIT);
rarch_main_command(RARCH_CMD_TEMPORARY_CONTENT_DEINIT);
rarch_main_command(RARCH_CMD_SUBSYSTEM_FULLPATHS_DEINIT);
rarch_main_command(RARCH_CMD_SAVEFILES_DEINIT);
g_extern.main_is_init = false;
}
/**
* rarch_playlist_load_content:
* @playlist : Playlist handle.
* @idx : Index in playlist.
*
* Initializes core and loads content based on playlist entry.
**/
void rarch_playlist_load_content(content_playlist_t *playlist,
unsigned idx)
{
const char *path = NULL;
const char *core_path = NULL;
menu_handle_t *menu = menu_driver_resolve();
content_playlist_get_index(playlist,
idx, &path, &core_path, NULL);
strlcpy(g_settings.libretro, core_path, sizeof(g_settings.libretro));
if (menu)
menu->load_no_content = (path) ? false : true;
rarch_environment_cb(RETRO_ENVIRONMENT_EXEC, (void*)path);
rarch_main_command(RARCH_CMD_LOAD_CORE);
}
/**
* rarch_defer_core:
* @core_info : Core info list handle.
* @dir : Directory. Gets joined with @path.
* @path : Path. Gets joined with @dir.
* @menu_label : Label identifier of menu setting.
* @deferred_path : Deferred core path. Will be filled in
* by function.
* @sizeof_deferred_path : Size of @deferred_path.
*
* Gets deferred core.
*
* Returns: 0 if there are multiple deferred cores and a
* selection needs to be made from a list, otherwise
* returns -1 and fills in @deferred_path with path to core.
**/
int rarch_defer_core(core_info_list_t *core_info, const char *dir,
const char *path, const char *menu_label,
char *deferred_path, size_t sizeof_deferred_path)
{
char new_core_path[PATH_MAX_LENGTH];
const core_info_t *info = NULL;
size_t supported = 0;
fill_pathname_join(deferred_path, dir, path, sizeof_deferred_path);
#ifdef HAVE_COMPRESSION
if (path_is_compressed_file(dir))
{
/* In case of a compressed archive, we have to join with a hash */
/* We are going to write at the position of dir: */
rarch_assert(strlen(dir) < strlen(deferred_path));
deferred_path[strlen(dir)] = '#';
}
#endif
if (core_info)
core_info_list_get_supported_cores(core_info, deferred_path, &info,
&supported);
if (!strcmp(menu_label, "load_content"))
{
info = (const core_info_t*)&g_extern.core_info_current;
if (info)
{
strlcpy(new_core_path, info->path, sizeof(new_core_path));
supported = 1;
}
}
else
strlcpy(new_core_path, info->path, sizeof(new_core_path));
/* There are multiple deferred cores and a
* selection needs to be made from a list, return 0. */
if (supported != 1)
return 0;
strlcpy(g_extern.fullpath, deferred_path,
sizeof(g_extern.fullpath));
if (path_file_exists(new_core_path))
strlcpy(g_settings.libretro, new_core_path,
sizeof(g_settings.libretro));
return -1;
}
/**
* rarch_replace_config:
* @path : Path to config file to replace
* current config file with.
*
* Replaces currently loaded configuration file with
* another one. Will load a dummy core to flush state
* properly.
*
* Quite intrusive and error prone.
* Likely to have lots of small bugs.
* Cleanly exit the main loop to ensure that all the tiny details
* get set properly.
*
* This should mitigate most of the smaller bugs.
*
* Returns: true (1) if successful, false (0) if @path was the
* same as the current config file.
**/
bool rarch_replace_config(const char *path)
{
/* If config file to be replaced is the same as the
* current config file, exit. */
if (!strcmp(path, g_extern.config_path))
return false;
if (g_settings.config_save_on_exit && *g_extern.config_path)
config_save_file(g_extern.config_path);
strlcpy(g_extern.config_path, path, sizeof(g_extern.config_path));
g_extern.block_config_read = false;
*g_settings.libretro = '\0'; /* Load core in new config. */
rarch_main_command(RARCH_CMD_PREPARE_DUMMY);
return true;
}
bool rarch_update_system_info(struct retro_system_info *_info,
bool *load_no_content)
{
#if defined(HAVE_DYNAMIC)
libretro_free_system_info(_info);
if (!(*g_settings.libretro))
return false;
libretro_get_system_info(g_settings.libretro, _info,
load_no_content);
#endif
if (!g_extern.core_info)
return false;
if (!core_info_list_get_info(g_extern.core_info,
g_extern.core_info_current, g_settings.libretro))
return false;
return true;
}
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