//EmulationStation, a graphical front-end for ROM browsing. Created by Alec "Aloshi" Lofquist. //http://www.aloshi.com #include #include #include #include "Renderer.h" #include "views/ViewController.h" #include "SystemData.h" #include #include "guis/GuiDetectDevice.h" #include "guis/GuiMsgBox.h" #include "AudioManager.h" #include "platform.h" #include "Log.h" #include "Window.h" #include "EmulationStation.h" #include "Settings.h" #include "ScraperCmdLine.h" #include #include namespace fs = boost::filesystem; bool scrape_cmdline = false; bool parseArgs(int argc, char* argv[], unsigned int* width, unsigned int* height) { for(int i = 1; i < argc; i++) { if(strcmp(argv[i], "--resolution") == 0) { if(i >= argc - 2) { std::cerr << "Invalid resolution supplied."; return false; } *width = atoi(argv[i + 1]); *height = atoi(argv[i + 2]); i += 2; // skip the argument value }else if(strcmp(argv[i], "--gamelist-only") == 0) { Settings::getInstance()->setBool("ParseGamelistOnly", true); }else if(strcmp(argv[i], "--ignore-gamelist") == 0) { Settings::getInstance()->setBool("IgnoreGamelist", true); }else if(strcmp(argv[i], "--draw-framerate") == 0) { Settings::getInstance()->setBool("DrawFramerate", true); }else if(strcmp(argv[i], "--no-exit") == 0) { Settings::getInstance()->setBool("ShowExit", false); }else if(strcmp(argv[i], "--debug") == 0) { Settings::getInstance()->setBool("Debug", true); Log::setReportingLevel(LogDebug); }else if(strcmp(argv[i], "--windowed") == 0) { Settings::getInstance()->setBool("Windowed", true); }else if(strcmp(argv[i], "--vsync") == 0) { bool vsync = (strcmp(argv[i + 1], "on") == 0 || strcmp(argv[i + 1], "1") == 0) ? true : false; Settings::getInstance()->setBool("VSync", vsync); i++; // skip vsync value }else if(strcmp(argv[i], "--scrape") == 0) { scrape_cmdline = true; }else if(strcmp(argv[i], "--help") == 0 || strcmp(argv[i], "-h") == 0) { std::cout << "EmulationStation, a graphical front-end for ROM browsing.\n" "Written by Alec \"Aloshi\" Lofquist.\n" "Version " << PROGRAM_VERSION_STRING << ", built " << PROGRAM_BUILT_STRING << "\n\n" "Command line arguments:\n" "--resolution [width] [height] try and force a particular resolution\n" "--gamelist-only skip automatic game search, only read from gamelist.xml\n" "--ignore-gamelist ignore the gamelist (useful for troubleshooting)\n" "--draw-framerate display the framerate\n" "--no-exit don't show the exit option in the menu\n" "--debug even more logging\n" "--scrape scrape using command line interface\n" "--windowed not fullscreen, should be used with --resolution\n" "--vsync [1/on or 0/off] turn vsync on or off (default is on)\n" "--help, -h summon a sentient, angry tuba\n\n" "More information available in README.md.\n"; return false; //exit after printing help } } return true; } bool verifyHomeFolderExists() { //make sure the config directory exists std::string home = getHomePath(); std::string configDir = home + "/.emulationstation"; if(!fs::exists(configDir)) { std::cout << "Creating config directory \"" << configDir << "\"\n"; fs::create_directory(configDir); if(!fs::exists(configDir)) { std::cerr << "Config directory could not be created!\n"; return false; } } return true; } // Returns true if everything is OK, bool loadSystemConfigFile(const char** errorString) { *errorString = NULL; if(!SystemData::loadConfig()) { LOG(LogError) << "Error while parsing systems configuration file!"; *errorString = "IT LOOKS LIKE YOUR SYSTEMS CONFIGURATION FILE HAS NOT BEEN SET UP OR IS INVALID. YOU'LL NEED TO DO THIS BY HAND, UNFORTUNATELY.\n\n" "VISIT EMULATIONSTATION.ORG FOR MORE INFORMATION."; return false; } if(SystemData::sSystemVector.size() == 0) { LOG(LogError) << "No systems found! Does at least one system have a game present? (check that extensions match!)\n(Also, make sure you've updated your es_systems.cfg for XML!)"; *errorString = "WE CAN'T FIND ANY SYSTEMS!\n" "CHECK THAT YOUR PATHS ARE CORRECT IN THE SYSTEMS CONFIGURATION FILE, " "AND YOUR GAME DIRECTORY HAS AT LEAST ONE GAME WITH THE CORRECT EXTENSION.\n\n" "VISIT EMULATIONSTATION.ORG FOR MORE INFORMATION."; return false; } return true; } //called on exit, assuming we get far enough to have the log initialized void onExit() { Log::close(); } int main(int argc, char* argv[]) { unsigned int width = 0; unsigned int height = 0; std::locale::global(boost::locale::generator().generate("")); boost::filesystem::path::imbue(std::locale()); if(!parseArgs(argc, argv, &width, &height)) return 0; //if ~/.emulationstation doesn't exist and cannot be created, bail if(!verifyHomeFolderExists()) return 1; //start the logger Log::open(); LOG(LogInfo) << "EmulationStation - v" << PROGRAM_VERSION_STRING << ", built " << PROGRAM_BUILT_STRING; //always close the log on exit atexit(&onExit); Window window; ViewController::init(&window); window.pushGui(ViewController::get()); if(!scrape_cmdline) { if(!window.init(width, height)) { LOG(LogError) << "Window failed to initialize!"; return 1; } std::string glExts = (const char*)glGetString(GL_EXTENSIONS); LOG(LogInfo) << "Checking available OpenGL extensions..."; LOG(LogInfo) << " ARB_texture_non_power_of_two: " << (glExts.find("ARB_texture_non_power_of_two") != std::string::npos ? "ok" : "MISSING"); window.renderLoadingScreen(); } const char* errorMsg = NULL; if(!loadSystemConfigFile(&errorMsg)) { // something went terribly wrong if(errorMsg == NULL) { LOG(LogError) << "Unknown error occured while parsing system config file."; if(!scrape_cmdline) Renderer::deinit(); return 1; } // we can't handle es_systems.cfg file problems inside ES itself, so display the error message then quit window.pushGui(new GuiMsgBox(&window, errorMsg, "QUIT", [] { SDL_Event* quit = new SDL_Event(); quit->type = SDL_QUIT; SDL_PushEvent(quit); })); } //run the command line scraper then quit if(scrape_cmdline) { return run_scraper_cmdline(); } //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(); //choose which GUI to open depending on if an input configuration already exists if(errorMsg == NULL) { if(fs::exists(InputManager::getConfigPath()) && InputManager::getInstance()->getNumConfiguredDevices() > 0) { ViewController::get()->goToStart(); }else{ window.pushGui(new GuiDetectDevice(&window, true, [] { ViewController::get()->goToStart(); })); } } //generate joystick events since we're done loading SDL_JoystickEventState(SDL_ENABLE); int lastTime = SDL_GetTicks(); bool running = true; while(running) { SDL_Event event; while(SDL_PollEvent(&event)) { switch(event.type) { case SDL_JOYHATMOTION: case SDL_JOYBUTTONDOWN: case SDL_JOYBUTTONUP: case SDL_KEYDOWN: case SDL_KEYUP: case SDL_JOYAXISMOTION: case SDL_TEXTINPUT: case SDL_TEXTEDITING: case SDL_JOYDEVICEADDED: case SDL_JOYDEVICEREMOVED: InputManager::getInstance()->parseEvent(event, &window); break; case SDL_QUIT: running = false; break; } } if(window.isSleeping()) { lastTime = SDL_GetTicks(); SDL_Delay(1); // this doesn't need to be accurate, we're just giving up our CPU time until something wakes us up continue; } int curTime = SDL_GetTicks(); int deltaTime = curTime - lastTime; lastTime = curTime; // cap deltaTime at 1000 if(deltaTime > 1000 || deltaTime < 0) deltaTime = 1000; window.update(deltaTime); window.render(); Renderer::swapBuffers(); Log::flush(); } while(window.peekGui() != ViewController::get()) delete window.peekGui(); window.deinit(); SystemData::deleteSystems(); LOG(LogInfo) << "EmulationStation cleanly shutting down."; return 0; }