mirror of
https://github.com/RetroDECK/ES-DE.git
synced 2024-11-27 00:25:38 +00:00
664 lines
24 KiB
C++
664 lines
24 KiB
C++
// SPDX-License-Identifier: MIT
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//
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// EmulationStation Desktop Edition, an emulator front-end
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// with controller navigation and theming support.
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//
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// Originally created by Alec "Aloshi" Lofquist.
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// http://www.aloshi.com
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// Improved and extended by the RetroPie community.
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// Desktop Edition fork by Leon Styhre.
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//
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// The line length limit is 100 characters and the indentations are 4 spaces.
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// Line breaks are Unix-style (line feed only).
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//
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// main.cpp
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//
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// Main program loop. Interprets command-line arguments, checks for the
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// home folder and es_settings.cfg configuration file, sets up the application
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// environment and starts listening to SDL events.
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//
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#include "guis/GuiDetectDevice.h"
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#include "guis/GuiMsgBox.h"
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#include "guis/GuiComplexTextEditPopup.h"
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#include "utils/FileSystemUtil.h"
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#include "utils/StringUtil.h"
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#include "views/ViewController.h"
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#include "AudioManager.h"
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#include "CollectionSystemsManager.h"
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#include "EmulationStation.h"
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#include "InputManager.h"
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#include "Log.h"
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#include "MameNames.h"
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#include "Platform.h"
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#include "Settings.h"
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#include "SystemData.h"
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#include "SystemScreensaver.h"
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#include <SDL2/SDL_events.h>
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#include <SDL2/SDL_main.h>
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#include <SDL2/SDL_timer.h>
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#if defined(_WIN64)
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#include <cstring>
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#include <windows.h>
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#endif
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#include <FreeImage.h>
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#include <iostream>
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#include <time.h>
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bool forceInputConfig = false;
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enum returnCode {
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NO_LOADING_ERROR,
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NO_SYSTEMS_FILE,
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NO_ROMS
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};
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#if defined(_WIN64)
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enum win64ConsoleType {
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NO_CONSOLE,
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PARENT_CONSOLE,
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ALLOCATED_CONSOLE
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};
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// Console output for Windows. The handling of consoles is a mess on this operating system,
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// and this is the best solution I could find. EmulationStation is built using the WINDOWS
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// subsystem (using the -mwindows compiler flag). The idea is to attach to or allocate a new
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// console as needed. However some console types such as the 'Git Bash' shell simply doesn't
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// work properly. Windows thinks it's attaching to a console but is unable to redirect the
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// standard input and output. Output also can't be redirected or piped by the user for any
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// console type and PowerShell behaves quite strange. Still, it works well enough to be
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// somewhat usable, at least for the moment. If the allocConsole argument is set to true
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// and there is no console available, a new console window will be spawned.
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win64ConsoleType outputToConsole(bool allocConsole)
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{
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HANDLE outputHandle = nullptr;
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HWND consoleWindow = nullptr;
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win64ConsoleType consoleType = NO_CONSOLE;
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// Try to attach to a parent console process.
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if (AttachConsole(ATTACH_PARENT_PROCESS))
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outputHandle = GetStdHandle(STD_OUTPUT_HANDLE);
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// If there is a parent console process, then attempt to retrieve its handle.
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if (outputHandle != INVALID_HANDLE_VALUE && outputHandle != nullptr) {
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consoleWindow = GetConsoleWindow();
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consoleType = PARENT_CONSOLE;
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}
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// If we couldn't retrieve the handle, it means we need to allocate a new console window.
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if (!consoleWindow && allocConsole) {
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AllocConsole();
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consoleType = ALLOCATED_CONSOLE;
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}
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// If we are attached to the parent console or we have opened a new console window,
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// then redirect stdin, stdout and stderr accordingly.
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if (consoleType == PARENT_CONSOLE || consoleType == ALLOCATED_CONSOLE) {
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FILE* fp = nullptr;
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freopen_s(&fp, "CONIN$", "rb", stdin);
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freopen_s(&fp, "CONOUT$", "wb", stdout);
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setvbuf(stdout, 0, _IONBF, 0);
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freopen_s(&fp, "CONOUT$", "wb", stderr);
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setvbuf(stderr, 0, _IONBF, 0);
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// Point the standard streams to the console.
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std::ios::sync_with_stdio(true);
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// Clear the error state for each standard stream.
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std::wcout.clear();
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std::cout.clear();
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std::wcerr.clear();
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std::cerr.clear();
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std::wcin.clear();
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std::cin.clear();
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std::cout << "\n";
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}
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return consoleType;
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}
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#endif
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bool parseArgs(int argc, char* argv[])
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{
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Utils::FileSystem::setExePath(argv[0]);
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#if defined(_WIN64)
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// Print any command line output to the console.
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if (argc > 1)
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win64ConsoleType consoleType = outputToConsole(false);
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#endif
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// We need to process --home before any call to Settings::getInstance(),
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// because settings are loaded from the home path.
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for (int i = 1; i < argc; i++) {
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if (strcmp(argv[i], "--home") == 0) {
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if (i >= argc - 1) {
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std::cerr << "Error: No home path supplied with \'--home'.\n";
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return false;
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}
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#if defined(_WIN64)
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if (!Utils::FileSystem::exists(argv[i + 1]) &&
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(!Utils::FileSystem::driveExists(argv[i + 1]))) {
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#else
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if (!Utils::FileSystem::exists(argv[i + 1])) {
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#endif
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std::cerr << "Error: Home path \'" << argv[i + 1] << "\' does not exist.\n";
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return false;
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}
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if (Utils::FileSystem::isRegularFile(argv[i + 1])) {
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std::cerr << "Error: Home path \'" << argv[i + 1] <<
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"\' is a file and not a directory.\n";
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return false;
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}
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Utils::FileSystem::setHomePath(argv[i + 1]);
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break;
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}
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}
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for (int i = 1; i < argc; i++) {
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// Skip past --home flag as we already processed it.
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if (strcmp(argv[i], "--home") == 0) {
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i++; // Skip the argument value.
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continue;
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}
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if (strcmp(argv[i], "--display") == 0) {
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if (i >= argc - 1 || atoi(argv[i + 1]) < 1 || atoi(argv[i + 1]) > 4) {
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std::cerr << "Error: Invalid display index supplied.\n";
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return false;
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}
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int DisplayIndex = atoi(argv[i + 1]);
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i++;
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Settings::getInstance()->setInt("DisplayIndex", DisplayIndex);
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Settings::getInstance()->saveFile();
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}
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else if (strcmp(argv[i], "--resolution") == 0) {
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if (i >= argc - 2) {
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std::cerr << "Error: Invalid resolution values supplied.\n";
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return false;
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}
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int width = atoi(argv[i + 1]);
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int height = atoi(argv[i + 2]);
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i += 2;
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Settings::getInstance()->setInt("WindowWidth", width);
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Settings::getInstance()->setInt("WindowHeight", height);
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}
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else if (strcmp(argv[i], "--screensize") == 0) {
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if (i >= argc - 2) {
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std::cerr << "Error: Invalid screensize values supplied.\n";
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return false;
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}
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int width = atoi(argv[i + 1]);
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int height = atoi(argv[i + 2]);
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i += 2;
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Settings::getInstance()->setInt("ScreenWidth", width);
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Settings::getInstance()->setInt("ScreenHeight", height);
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}
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else if (strcmp(argv[i], "--screenoffset") == 0) {
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if (i >= argc - 2) {
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std::cerr << "Error: Invalid screenoffset values supplied.\n";
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return false;
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}
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int x = atoi(argv[i + 1]);
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int y = atoi(argv[i + 2]);
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i += 2;
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Settings::getInstance()->setInt("ScreenOffsetX", x);
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Settings::getInstance()->setInt("ScreenOffsetY", y);
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}
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else if (strcmp(argv[i], "--screenrotate") == 0) {
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if (i >= argc - 1) {
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std::cerr << "Error: Invalid screenrotate value supplied.\n";
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return false;
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}
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int rotate = atoi(argv[i + 1]);
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i++;
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Settings::getInstance()->setInt("ScreenRotate", rotate);
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}
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// On Unix, enable settings for the fullscreen mode.
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// On macOS and Windows only windowed mode is supported.
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#if defined(__unix__)
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else if (strcmp(argv[i], "--windowed") == 0) {
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Settings::getInstance()->setBool("Windowed", true);
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}
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else if (strcmp(argv[i], "--fullscreen-normal") == 0) {
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Settings::getInstance()->setString("FullscreenMode", "normal");
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}
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else if (strcmp(argv[i], "--fullscreen-borderless") == 0) {
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Settings::getInstance()->setString("FullscreenMode", "borderless");
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}
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#endif
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else if (strcmp(argv[i], "--vsync") == 0) {
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bool vsync = (strcmp(argv[i + 1], "on") == 0 ||
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strcmp(argv[i + 1], "1") == 0) ? true : false;
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Settings::getInstance()->setBool("VSync", vsync);
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i++;
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}
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else if (strcmp(argv[i], "--max-vram") == 0) {
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if (i >= argc - 1) {
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std::cerr << "Error: Invalid VRAM value supplied.\n";
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return false;
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}
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int maxVRAM = atoi(argv[i + 1]);
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Settings::getInstance()->setInt("MaxVRAM", maxVRAM);
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i++;
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}
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else if (strcmp(argv[i], "--gpu-statistics") == 0) {
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Settings::getInstance()->setBool("DisplayGPUStatistics", "true");
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}
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else if (strcmp(argv[i], "--no-splash") == 0) {
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Settings::getInstance()->setBool("SplashScreen", false);
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}
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else if (strcmp(argv[i], "--gamelist-only") == 0) {
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Settings::getInstance()->setBool("ParseGamelistOnly", true);
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}
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else if (strcmp(argv[i], "--ignore-gamelist") == 0) {
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Settings::getInstance()->setBool("IgnoreGamelist", true);
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}
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else if (strcmp(argv[i], "--show-hidden-files") == 0) {
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Settings::getInstance()->setBool("ShowHiddenFiles", true);
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}
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else if (strcmp(argv[i], "--show-hidden-games") == 0) {
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Settings::getInstance()->setBool("ShowHiddenGames", true);
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}
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else if (strcmp(argv[i], "--force-full") == 0) {
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Settings::getInstance()->setString("UIMode", "full");
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Settings::getInstance()->setBool("ForceFull", true);
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}
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else if (strcmp(argv[i], "--force-kiosk") == 0) {
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Settings::getInstance()->setBool("ForceKiosk", true);
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}
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else if (strcmp(argv[i], "--force-kid") == 0) {
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Settings::getInstance()->setBool("ForceKid", true);
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}
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else if (strcmp(argv[i], "--force-input-config") == 0) {
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forceInputConfig = true;
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}
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else if (strcmp(argv[i], "--debug") == 0) {
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Settings::getInstance()->setBool("Debug", true);
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Log::setReportingLevel(LogDebug);
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}
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else if (strcmp(argv[i], "--version") == 0 || strcmp(argv[i], "-v") == 0) {
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std::cout <<
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"EmulationStation Desktop Edition v" << PROGRAM_VERSION_STRING << "\n";
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return false;
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}
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else if (strcmp(argv[i], "--help") == 0 || strcmp(argv[i], "-h") == 0) {
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std::cout <<
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"Usage: emulationstation [options]\n"
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"EmulationStation Desktop Edition, Emulator Front-end\n\n"
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"Options:\n"
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" --display [index] Display/monitor to use (1, 2, 3 or 4)\n"
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" --resolution [width] [height] Application resolution\n"
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#if defined(__unix__)
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" --windowed Windowed mode, should be combined with --resolution\n"
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" --fullscreen-normal Normal fullscreen mode\n"
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" --fullscreen-borderless Borderless fullscreen mode (always on top)\n"
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#endif
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" --vsync [1/on or 0/off] Turn VSync on or off (default is on)\n"
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" --max-vram [size] Max VRAM to use (in mebibytes) before swapping\n"
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" --gpu-statistics Display framerate and VRAM usage overlay\n"
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" --no-splash Don't show the splash screen during startup\n"
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" --gamelist-only Skip automatic game ROM search, only read from gamelist.xml\n"
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" --ignore-gamelist Ignore the gamelist files (useful for troubleshooting)\n"
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" --show-hidden-files Show hidden files and folders\n"
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" --show-hidden-games Show hidden games\n"
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" --force-full Force the UI mode to Full\n"
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" --force-kiosk Force the UI mode to Kiosk\n"
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" --force-kid Force the UI mode to Kid\n"
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" --force-input-config Force configuration of input device\n"
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" --home [path] Directory to use as home path\n"
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" --debug Print debug information\n"
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" --version, -v Display version information\n"
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" --help, -h Summon a sentient, angry tuba\n";
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return false; // Exit after printing help.
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}
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else {
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std::string argv_unknown = argv[i];
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std::cout << "Unknown option '" << argv_unknown << "'.\n";
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std::cout << "Try 'emulationstation --help' for more information.\n";
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return false; // Exit after printing message.
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}
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}
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return true;
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}
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bool verifyHomeFolderExists()
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{
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// Make sure the config directory exists.
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std::string home = Utils::FileSystem::getHomePath();
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std::string configDir = home + "/.emulationstation";
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if (!Utils::FileSystem::exists(configDir)) {
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std::cout << "Creating config directory \"" << configDir << "\"\n";
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Utils::FileSystem::createDirectory(configDir);
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if (!Utils::FileSystem::exists(configDir)) {
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std::cerr << "Config directory could not be created!\n";
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return false;
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}
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}
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return true;
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}
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// Returns NO_LOADING_ERROR if everything is OK.
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// Otherwise returns either NO_SYSTEMS_FILE or NO_ROMS.
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returnCode loadSystemConfigFile(std::string& errorMsg)
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{
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if (!SystemData::loadConfig()) {
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LOG(LogError) << "Could not parse systems configuration file";
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errorMsg = "COULDN'T FIND THE SYSTEMS CONFIGURATION FILE.\n"
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"ATTEMPTED TO COPY A TEMPLATE ES_SYSTEMS.CFG FILE\n"
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"FROM THE EMULATIONSTATION RESOURCES DIRECTORY,\n"
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"BUT THIS FAILED. HAS EMULATIONSTATION BEEN PROPERLY\n"
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"INSTALLED AND DO YOU HAVE WRITE PERMISSIONS TO \n"
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"YOUR HOME DIRECTORY?";
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return NO_SYSTEMS_FILE;
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}
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if (SystemData::sSystemVector.size() == 0) {
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LOG(LogError) << "No systems found, does at least one system have a game present? "
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"(Check that the file extensions are supported)";
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errorMsg = "THE SYSTEMS CONFIGURATION FILE EXISTS, BUT NO\n"
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"GAME FILES WERE FOUND. EITHER PLACE YOUR GAMES\n"
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"IN THE CURRENTLY CONFIGURED ROM DIRECTORY OR\n"
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"CHANGE IT USING THE BUTTON BELOW. MAKE SURE\n"
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"THAT YOUR FILE EXTENSIONS AND SYSTEMS DIRECTORY\n"
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"NAMES ARE SUPPORTED BY EMULATIONSTATION-DE.\n"
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"THIS IS THE CURRENTLY CONFIGURED ROM DIRECTORY:\n";
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#if defined(_WIN64)
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errorMsg += Utils::String::replace(FileData::getROMDirectory(), "/", "\\");
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#else
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errorMsg += FileData::getROMDirectory();
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#endif
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return NO_ROMS;
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}
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return NO_LOADING_ERROR;
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}
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// Called on exit, assuming we get far enough to have the log initialized.
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void onExit()
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{
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Log::close();
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}
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int main(int argc, char* argv[])
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{
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const auto applicationStartTime = std::chrono::system_clock::now();
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std::locale::global(std::locale("C"));
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if (!parseArgs(argc, argv)) {
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#if defined(_WIN64)
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FreeConsole();
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#endif
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return 0;
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}
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#if defined(_WIN64)
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// Send debug output to the console..
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if (Settings::getInstance()->getBool("Debug"))
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outputToConsole(true);
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#endif
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#if defined(_WIN64)
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// Hide taskbar if the setting for this is enabled.
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bool taskbarStateChanged = false;
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unsigned int taskbarState;
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if (Settings::getInstance()->getBool("HideTaskbar")) {
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taskbarStateChanged = true;
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taskbarState = getTaskbarState();
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hideTaskbar();
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}
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#endif
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// Call this ONLY when linking with FreeImage as a static library.
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#if defined(FREEIMAGE_LIB)
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FreeImage_Initialise();
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#endif
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// If ~/.emulationstation doesn't exist and cannot be created, bail.
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if (!verifyHomeFolderExists())
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return 1;
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// Start the logger.
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Log::init();
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Log::open();
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LOG(LogInfo) << "EmulationStation Desktop Edition v" << PROGRAM_VERSION_STRING <<
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", built " << PROGRAM_BUILT_STRING;
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// Always close the log on exit.
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atexit(&onExit);
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// Check if the configuration file exists, and if not, create it.
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// This should only happen on first application startup.
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if (!Utils::FileSystem::exists(Utils::FileSystem::getHomePath() +
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"/.emulationstation/es_settings.cfg")) {
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LOG(LogInfo) << "Settings file es_settings.cfg does not exist, creating it...";
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Settings::getInstance()->saveFile();
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}
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Window window;
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SystemScreensaver screensaver(&window);
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ViewController::init(&window);
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CollectionSystemsManager::init(&window);
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window.pushGui(ViewController::get());
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bool splashScreen = Settings::getInstance()->getBool("SplashScreen");
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bool splashScreenProgress = Settings::getInstance()->getBool("SplashScreenProgress");
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SDL_Event event {};
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if (!window.init()) {
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LOG(LogError) << "Window failed to initialize";
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return 1;
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}
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InputManager::getInstance()->parseEvent(event, &window);
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if (event.type == SDL_QUIT)
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return 1;
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// This hides the mouse cursor during startup, i.e. before we have begun to capture SDL events.
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SDL_SetRelativeMouseMode(SDL_TRUE);
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AudioManager::getInstance();
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MameNames::init();
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if (splashScreen) {
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std::string progressText = "Loading...";
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if (splashScreenProgress)
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progressText = "Loading system config...";
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window.renderLoadingScreen(progressText);
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}
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std::string errorMsg;
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returnCode returnCodeValue = loadSystemConfigFile(errorMsg);
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if (returnCodeValue) {
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// Something went terribly wrong.
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if (errorMsg == "") {
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LOG(LogError) << "Unknown error occured while parsing systems configuration file";
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Renderer::deinit();
|
|
return 1;
|
|
}
|
|
|
|
// If there was an issue with installing the es_systems.cfg file from the
|
|
// template directory, then display an error message and let the user quit.
|
|
// If there are no game files found, give the option to the user to quit or
|
|
// to configure a different ROM directory. The application will need to be
|
|
// restarted though, to activate any new ROM directory setting.
|
|
if (returnCodeValue == NO_SYSTEMS_FILE) {
|
|
window.pushGui(new GuiMsgBox(&window, HelpStyle(),
|
|
errorMsg.c_str(),
|
|
"QUIT", [] {
|
|
SDL_Event quit;
|
|
quit.type = SDL_QUIT;
|
|
SDL_PushEvent(&quit);
|
|
}, "", nullptr, "", nullptr, true));
|
|
}
|
|
else if (returnCodeValue == NO_ROMS) {
|
|
auto updateVal = [](const std::string& newROMDirectory) {
|
|
Settings::getInstance()->setString("ROMDirectory", newROMDirectory);
|
|
Settings::getInstance()->saveFile();
|
|
SDL_Event quit;
|
|
quit.type = SDL_QUIT;
|
|
SDL_PushEvent(&quit);
|
|
};
|
|
|
|
window.pushGui(new GuiMsgBox(&window, HelpStyle(), errorMsg.c_str(),
|
|
"CHANGE ROM DIRECTORY", [&window, updateVal] {
|
|
std::string currentROMDirectory;
|
|
#if defined(_WIN64)
|
|
currentROMDirectory =
|
|
Utils::String::replace(FileData::getROMDirectory(), "/", "\\");
|
|
#else
|
|
currentROMDirectory = FileData::getROMDirectory();
|
|
#endif
|
|
|
|
window.pushGui(new GuiComplexTextEditPopup(
|
|
&window,
|
|
HelpStyle(),
|
|
"ENTER ROM DIRECTORY",
|
|
"Currently configured directory:",
|
|
currentROMDirectory,
|
|
currentROMDirectory,
|
|
updateVal,
|
|
false,
|
|
"SAVE AND QUIT",
|
|
"SAVE CHANGES?",
|
|
"LOAD CURRENT",
|
|
"LOAD CURRENTLY CONFIGURED VALUE",
|
|
"CLEAR",
|
|
"CLEAR (LEAVE BLANK TO RESET TO DEFAULT DIRECTORY)",
|
|
true));
|
|
},
|
|
"QUIT", [] {
|
|
SDL_Event quit;
|
|
quit.type = SDL_QUIT;
|
|
SDL_PushEvent(&quit);
|
|
}, "", nullptr, true));
|
|
}
|
|
}
|
|
|
|
// Dont generate joystick events while we're loading.
|
|
// (Hopefully fixes "automatically started emulator" bug.)
|
|
SDL_JoystickEventState(SDL_DISABLE);
|
|
|
|
// Preload what we can right away instead of waiting for the user to select it.
|
|
// This makes for no delays when accessing content, but a longer startup time.
|
|
ViewController::get()->preload();
|
|
|
|
if (splashScreen && splashScreenProgress)
|
|
window.renderLoadingScreen("Done.");
|
|
|
|
// Choose which GUI to open depending on if an input configuration already exists and
|
|
// whether the flag to force the input configuration was passed from the command line.
|
|
if (errorMsg == "") {
|
|
if (!forceInputConfig && Utils::FileSystem::exists(InputManager::getConfigPath()) &&
|
|
InputManager::getInstance()->getNumConfiguredDevices() > 0) {
|
|
ViewController::get()->goToStart();
|
|
}
|
|
else if (forceInputConfig) {
|
|
window.pushGui(new GuiDetectDevice(&window, true, true, [] {
|
|
ViewController::get()->goToStart(); }));
|
|
}
|
|
else {
|
|
if (InputManager::getInstance()->getNumJoysticks() > 0)
|
|
window.pushGui(new GuiDetectDevice(&window, true, false, [] {
|
|
ViewController::get()->goToStart(); }));
|
|
else
|
|
ViewController::get()->goToStart();
|
|
}
|
|
}
|
|
|
|
// Check if the media directory exists, otherwise log an information entry.
|
|
if (!Utils::FileSystem::isDirectory(FileData::getMediaDirectory()) ||
|
|
Utils::FileSystem::isSymlink(FileData::getMediaDirectory())) {
|
|
LOG(LogInfo) << "Game media directory does not exist "
|
|
"(or is not a directory or a symlink):";
|
|
LOG(LogInfo) << FileData::getMediaDirectory();
|
|
}
|
|
|
|
// Generate joystick events since we're done loading.
|
|
SDL_JoystickEventState(SDL_ENABLE);
|
|
|
|
int lastTime = SDL_GetTicks();
|
|
const auto applicationEndTime = std::chrono::system_clock::now();
|
|
|
|
LOG(LogInfo) << "Application startup time: " <<
|
|
std::chrono::duration_cast<std::chrono::milliseconds>
|
|
(applicationEndTime - applicationStartTime).count() << " ms";
|
|
|
|
bool running = true;
|
|
// Now that we've finished loading, disable the relative mouse mode or otherwise mouse
|
|
// input wouldn't work in any games that are launched.
|
|
SDL_SetRelativeMouseMode(SDL_FALSE);
|
|
|
|
while (running) {
|
|
if (SDL_PollEvent(&event)) {
|
|
do {
|
|
InputManager::getInstance()->parseEvent(event, &window);
|
|
|
|
if (event.type == SDL_QUIT)
|
|
running = false;
|
|
}
|
|
while (SDL_PollEvent(&event));
|
|
}
|
|
|
|
if (window.isSleeping()) {
|
|
lastTime = SDL_GetTicks();
|
|
// This doesn't need to be accurate, we're just giving up
|
|
// our CPU time until something wakes us up.
|
|
continue;
|
|
SDL_Delay(1);
|
|
}
|
|
|
|
int curTime = SDL_GetTicks();
|
|
int deltaTime = curTime - lastTime;
|
|
lastTime = curTime;
|
|
|
|
// Cap deltaTime if it ever goes negative.
|
|
if (deltaTime < 0)
|
|
deltaTime = 1000;
|
|
|
|
window.update(deltaTime);
|
|
window.render();
|
|
Renderer::swapBuffers();
|
|
|
|
Log::flush();
|
|
}
|
|
|
|
while (window.peekGui() != ViewController::get())
|
|
delete window.peekGui();
|
|
window.deinit();
|
|
|
|
MameNames::deinit();
|
|
CollectionSystemsManager::deinit();
|
|
SystemData::deleteSystems();
|
|
|
|
// Call this ONLY when linking with FreeImage as a static library.
|
|
#if defined(FREEIMAGE_LIB)
|
|
FreeImage_DeInitialise();
|
|
#endif
|
|
|
|
#if defined(_WIN64)
|
|
// If the taskbar state was changed (taskbar was hidden), then revert it.
|
|
if (taskbarStateChanged)
|
|
revertTaskbarState(taskbarState);
|
|
#endif
|
|
|
|
processQuitMode();
|
|
|
|
LOG(LogInfo) << "EmulationStation cleanly shutting down";
|
|
|
|
#if defined(_WIN64)
|
|
FreeConsole();
|
|
#endif
|
|
|
|
return 0;
|
|
}
|