mirror of
https://github.com/CTCaer/RetroArch.git
synced 2024-12-23 11:18:25 +00:00
349 lines
9.3 KiB
C
349 lines
9.3 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2013 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2013 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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#include "../boolean.h"
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#include <stddef.h>
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#include <string.h>
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#include "frontend_console.h"
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#include "menu/rmenu.h"
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#include "menu/rmenu_settings.h"
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#if defined(__CELLOS_LV2__)
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#include "platform/platform_ps3.c"
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#include "platform/platform_ps3_exec.c"
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#elif defined(GEKKO)
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#include "platform/platform_gx.c"
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#include "platform/platform_gx_exec.c"
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#elif defined(_XBOX)
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#include "platform/platform_xdk.c"
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#include "platform/platform_xdk_exec.c"
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#elif defined(PSP)
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#include "platform/platform_psp.c"
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#endif
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#undef main
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default_paths_t default_paths;
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#ifdef IS_SALAMANDER
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//We need to set libretro to the first entry in the cores
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//directory so that it will be saved to the config file
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static void find_first_libretro_core(char *first_file,
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size_t size_of_first_file, const char *dir,
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const char * ext)
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{
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bool ret = false;
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RARCH_LOG("Searching for valid libretro implementation in: \"%s\".\n", dir);
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struct string_list *list = dir_list_new(dir, ext, false);
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if (!list)
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{
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RARCH_ERR("Couldn't read directory. Cannot infer default libretro core.\n");
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return;
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}
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for (size_t i = 0; i < list->size && !ret; i++)
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{
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RARCH_LOG("Checking library: \"%s\".\n", list->elems[i].data);
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const char * libretro_elem = list->elems[i].data;
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if (libretro_elem)
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{
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char fname[PATH_MAX];
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fill_pathname_base(fname, libretro_elem, sizeof(fname));
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if (strncmp(fname, default_paths.salamander_file, sizeof(fname)) == 0)
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{
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if ((i + 1) == list->size)
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{
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RARCH_WARN("Entry is RetroArch Salamander itself, but is last entry. No choice but to set it.\n");
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strlcpy(first_file, fname, size_of_first_file);
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}
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continue;
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}
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strlcpy(first_file, fname, size_of_first_file);
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RARCH_LOG("First found libretro core is: \"%s\".\n", first_file);
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ret = true;
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}
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}
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dir_list_free(list);
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}
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int main(int argc, char *argv[])
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{
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system_init();
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get_environment_settings(argc, argv);
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salamander_init_settings();
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system_deinit();
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system_exitspawn();
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return 1;
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}
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#else
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static void verbose_log_init(void)
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{
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if (g_extern.verbose)
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return;
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g_extern.verbose = true;
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RARCH_LOG("Turning on verbose logging...\n");
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}
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#ifdef HAVE_LIBRETRO_MANAGEMENT
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// Transforms a library id to a name suitable as a pathname.
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static void get_libretro_core_name(char *name, size_t size)
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{
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if (size == 0)
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return;
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struct retro_system_info info;
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retro_get_system_info(&info);
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const char *id = info.library_name ? info.library_name : "Unknown";
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if (!id || strlen(id) >= size)
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{
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name[0] = '\0';
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return;
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}
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name[strlen(id)] = '\0';
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for (size_t i = 0; id[i] != '\0'; i++)
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{
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char c = id[i];
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if (isspace(c) || isblank(c))
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name[i] = '_';
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else
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name[i] = tolower(c);
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}
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}
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// If a CORE executable of name CORE.extension exists, rename filename
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// to a more sane name.
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static bool install_libretro_core(const char *core_exe_path, const char *tmp_path,
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const char *libretro_path, const char *config_path, const char *extension)
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{
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int ret = 0;
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char tmp_path2[PATH_MAX], tmp_pathnewfile[PATH_MAX];
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get_libretro_core_name(tmp_path2, sizeof(tmp_path2));
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strlcat(tmp_path2, extension, sizeof(tmp_path2));
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snprintf(tmp_pathnewfile, sizeof(tmp_pathnewfile), "%s%s", tmp_path, tmp_path2);
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if (path_file_exists(tmp_pathnewfile))
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{
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// If core already exists, we are upgrading the core -
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// delete existing file first.
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RARCH_LOG("Upgrading emulator core...\n");
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ret = remove(tmp_pathnewfile);
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if (ret == 0)
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RARCH_LOG("Succeeded in removing pre-existing libretro core: [%s].\n", tmp_pathnewfile);
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else
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RARCH_ERR("Failed to remove pre-existing libretro core: [%s].\n", tmp_pathnewfile);
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}
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// Now attempt the renaming of the core.
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ret = rename(core_exe_path, tmp_pathnewfile);
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if (ret == 0)
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{
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RARCH_LOG("Libretro core [%s] successfully renamed to: [%s].\n", core_exe_path, tmp_pathnewfile);
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strlcpy(g_settings.libretro, tmp_pathnewfile, sizeof(g_settings.libretro));
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}
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else
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{
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RARCH_ERR("Failed to rename CORE executable.\n");
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RARCH_WARN("CORE executable was not found, or some other error occurred. Will attempt to load libretro core path from config file.\n");
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return false;
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}
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return true;
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}
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#endif
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// Only called once on init and deinit.
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// Video and input drivers need to be active (owned)
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// before retroarch core starts.
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static void init_console_drivers(void)
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{
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init_drivers_pre(); // Set driver.* function callbacks.
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driver.video->start(); // Statically starts video driver. Sets driver.video_data.
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driver.input_data = driver.input->init();
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rarch_input_set_controls_default(driver.input);
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driver.input->post_init();
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// Core handles audio.
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}
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static void uninit_console_drivers(void)
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{
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if (driver.video_data)
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{
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driver.video->stop();
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driver.video_data = NULL;
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}
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if (driver.input_data)
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{
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driver.input->free(NULL);
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driver.input_data = NULL;
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}
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}
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int main(int argc, char *argv[])
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{
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system_init();
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rarch_main_clear_state();
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verbose_log_init();
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get_environment_settings(argc, argv);
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config_load();
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init_libretro_sym();
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rarch_init_system_info();
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init_console_drivers();
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#ifdef HAVE_LIBRETRO_MANAGEMENT
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char core_exe_path[PATH_MAX];
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char path_prefix[PATH_MAX];
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const char *extension = default_paths.executable_extension;
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char slash;
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#if defined(_WIN32)
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slash = '\\';
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#else
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slash = '/';
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#endif
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snprintf(path_prefix, sizeof(path_prefix), "%s%c", default_paths.core_dir, slash);
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snprintf(core_exe_path, sizeof(core_exe_path), "%sCORE%s", path_prefix, extension);
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RARCH_LOG("core_exe_path: %s\n", core_exe_path);
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if (path_file_exists(core_exe_path))
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{
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if (install_libretro_core(core_exe_path, path_prefix, path_prefix,
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g_extern.config_path, extension))
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{
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RARCH_LOG("New default libretro core saved to config file: %s.\n", g_settings.libretro);
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config_save_file(g_extern.config_path);
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}
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}
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#endif
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init_libretro_sym();
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system_post_init();
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menu_init();
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system_process_args(argc, argv);
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begin_loop:
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if(g_extern.lifecycle_mode_state & (1ULL << MODE_GAME))
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{
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driver.input->poll(NULL);
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driver.video->set_aspect_ratio(driver.video_data, g_settings.video.aspect_ratio_idx);
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if (g_extern.lifecycle_mode_state & (1ULL << MODE_VIDEO_THROTTLE_ENABLE))
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audio_start_func();
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while(rarch_main_iterate());
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if (g_extern.lifecycle_mode_state & (1ULL << MODE_VIDEO_THROTTLE_ENABLE))
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audio_stop_func();
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g_extern.lifecycle_mode_state &= ~(1ULL << MODE_GAME);
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}
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else if (g_extern.lifecycle_mode_state & (1ULL << MODE_INIT))
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{
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if(g_extern.main_is_init)
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rarch_main_deinit();
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struct rarch_main_wrap args = {0};
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args.verbose = g_extern.verbose;
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args.config_path = g_extern.config_path;
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args.sram_path = (g_extern.lifecycle_mode_state & (1ULL << MODE_LOAD_GAME_SRAM_DIR_ENABLE)) ? g_extern.console.main_wrap.default_sram_dir : NULL;
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args.state_path = (g_extern.lifecycle_mode_state & (1ULL << MODE_LOAD_GAME_STATE_DIR_ENABLE)) ? g_extern.console.main_wrap.default_savestate_dir : NULL;
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args.rom_path = g_extern.fullpath;
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args.libretro_path = g_settings.libretro;
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int init_ret = rarch_main_init_wrap(&args);
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if (init_ret == 0)
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{
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RARCH_LOG("rarch_main_init succeeded.\n");
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g_extern.lifecycle_mode_state |= (1ULL << MODE_GAME);
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}
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else
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{
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RARCH_ERR("rarch_main_init failed.\n");
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g_extern.lifecycle_mode_state |= (1ULL << MODE_MENU);
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rmenu_settings_msg(S_MSG_ROM_LOADING_ERROR, S_DELAY_180);
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}
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g_extern.lifecycle_mode_state &= ~(1ULL << MODE_INIT);
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}
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else if(g_extern.lifecycle_mode_state & (1ULL << MODE_MENU))
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{
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g_extern.lifecycle_mode_state |= (1ULL << MODE_MENU_PREINIT);
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while(rmenu_iterate());
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g_extern.lifecycle_mode_state &= ~(1ULL << MODE_MENU);
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}
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else
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goto begin_shutdown;
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goto begin_loop;
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begin_shutdown:
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config_save_file(g_extern.config_path);
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system_deinit_save();
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if(g_extern.main_is_init)
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rarch_main_deinit();
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menu_free();
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uninit_console_drivers();
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#ifdef PERF_TEST
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rarch_perf_log();
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#endif
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system_deinit();
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if (g_extern.lifecycle_mode_state & (1ULL << MODE_EXITSPAWN))
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system_exitspawn();
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return 1;
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}
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#endif
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