src/supertux/main.cpp

   1 //  SuperTux
   2 //  Copyright (C) 2006 Matthias Braun <matze@braunis.de>
   3 //
   4 //  This program is free software: you can redistribute it and/or modify
   5 //  it under the terms of the GNU General Public License as published by
   6 //  the Free Software Foundation, either version 3 of the License, or
   7 //  (at your option) any later version.
   8 //
   9 //  This program is distributed in the hope that it will be useful,
  10 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 //  GNU General Public License for more details.
  13 //
  14 //  You should have received a copy of the GNU General Public License
  15 //  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 #include "supertux/main.hpp"
  18
  19 #include <config.h>
  20 #include <version.h>
  21
  22 #include <SDL_image.h>
  23 #include <physfs.h>
  24 #include <iostream>
  25 #include <tinygettext/log.hpp>
  26 #include <boost/format.hpp>
  27 #include <stdio.h>
  28 extern "C" {
  29 #include <findlocale.h>
  30 }
  31
  32 #include "addon/addon_manager.hpp"
  33 #include "audio/sound_manager.hpp"
  34 #include "control/input_manager.hpp"
  35 #include "math/random_generator.hpp"
  36 #include "physfs/ifile_stream.hpp"
  37 #include "physfs/physfs_file_system.hpp"
  38 #include "physfs/physfs_sdl.hpp"
  39 #include "scripting/squirrel_util.hpp"
  40 #include "scripting/scripting.hpp"
  41 #include "sprite/sprite_manager.hpp"
  42 #include "supertux/command_line_arguments.hpp"
  43 #include "supertux/game_manager.hpp"
  44 #include "supertux/gameconfig.hpp"
  45 #include "supertux/globals.hpp"
  46 #include "supertux/player_status.hpp"
  47 #include "supertux/resources.hpp"
  48 #include "supertux/screen_fade.hpp"
  49 #include "supertux/screen_manager.hpp"
  50 #include "supertux/title_screen.hpp"
  51 #include "util/file_system.hpp"
  52 #include "util/gettext.hpp"
  53 #include "video/drawing_context.hpp"
  54 #include "video/lightmap.hpp"
  55 #include "video/renderer.hpp"
  56 #include "worldmap/worldmap.hpp"
  57
  58 class ConfigSubsystem
  59 {
  60 public:
  61   ConfigSubsystem()
  62   {
  63     g_config.reset(new Config);
  64     try {
  65       g_config->load();
  66     }
  67     catch(const std::exception& e)
  68     {
  69       log_info << "Couldn't load config file: " << e.what() << ", using default settings" << std::endl;
  70     }
  71
  72     // init random number stuff
  73     g_config->random_seed = gameRandom.srand(g_config->random_seed);
  74     graphicsRandom.srand(0);
  75     //const char *how = config->random_seed? ", user fixed.": ", from time().";
  76     //log_info << "Using random seed " << config->random_seed << how << std::endl;
  77   }
  78
  79   ~ConfigSubsystem()
  80   {
  81     if (g_config)
  82     {
  83       g_config->save();
  84     }
  85     g_config.reset();
  86   }
  87 };
  88
  89 void
  90 Main::init_tinygettext()
  91 {
  92   g_dictionary_manager.reset(new tinygettext::DictionaryManager);
  93   tinygettext::Log::set_log_info_callback(0);
  94   g_dictionary_manager->set_filesystem(std::unique_ptr<tinygettext::FileSystem>(new PhysFSFileSystem));
  95
  96   g_dictionary_manager->add_directory("locale");
  97   g_dictionary_manager->set_charset("UTF-8");
  98
  99   // Config setting "locale" overrides language detection
 100   if (g_config->locale != "")
 101   {
 102     g_dictionary_manager->set_language(tinygettext::Language::from_name(g_config->locale));
 103   }
 104   else
 105   {
 106     FL_Locale *locale;
 107     FL_FindLocale(&locale);
 108     tinygettext::Language language = tinygettext::Language::from_spec( locale->lang?locale->lang:"", locale->country?locale->country:"", locale->variant?locale->variant:"");
 109     FL_FreeLocale(&locale);
 110     g_dictionary_manager->set_language(language);
 111   }
 112 }
 113
 114 class PhysfsSubsystem
 115 {
 116 public:
 117   PhysfsSubsystem(const char* argv0)
 118   {
 119     if (!PHYSFS_init(argv0))
 120     {
 121       std::stringstream msg;
 122       msg << "Couldn't initialize physfs: " << PHYSFS_getLastError();
 123       throw std::runtime_error(msg.str());
 124     }
 125     else
 126     {
 127       // allow symbolic links
 128       PHYSFS_permitSymbolicLinks(1);
 129
 130       find_userdir();
 131       find_datadir();
 132     }
 133   }
 134
 135   void find_datadir()
 136   {
 137     // check if we run from source dir
 138     char* basepath_c = SDL_GetBasePath();
 139     std::string basepath = basepath_c;
 140     SDL_free(basepath_c);
 141
 142     std::string datadir = FileSystem::join(basepath, "data");
 143     std::string testfname = FileSystem::join(datadir, "credits.txt");
 144     if (!FileSystem::exists(testfname))
 145     {
 146       // if the game is not run from the source directory, try to find
 147       // the global install location
 148       datadir = datadir.substr(0, datadir.rfind(INSTALL_SUBDIR_BIN));
 149       datadir = FileSystem::join(datadir, INSTALL_SUBDIR_SHARE);
 150     }
 151
 152     if (!PHYSFS_addToSearchPath(datadir.c_str(), 1))
 153     {
 154       log_warning << "Couldn't add '" << datadir << "' to physfs searchpath: " << PHYSFS_getLastError() << std::endl;
 155     }
 156   }
 157
 158   void find_userdir()
 159   {
 160 #ifdef _WIN32
 161 # define WRITEDIR_NAME PACKAGE_NAME
 162 #else
 163 # define WRITEDIR_NAME "." PACKAGE_NAME
 164 #endif
 165
 166     std::string writedir;
 167
 168     const char* env_writedir = getenv("SUPERTUX2_USER_DIR");
 169     if (env_writedir)
 170     {
 171       writedir = env_writedir;
 172     }
 173     else
 174     {
 175       std::string userdir = PHYSFS_getUserDir();
 176       writedir = FileSystem::join(userdir, WRITEDIR_NAME);
 177     }
 178
 179     if (!FileSystem::is_directory(writedir))
 180     {
 181       FileSystem::mkdir(writedir);
 182       log_info << "Created SuperTux userdir: " << writedir << std::endl;
 183     }
 184
 185     if (!PHYSFS_setWriteDir(writedir.c_str()))
 186     {
 187       std::ostringstream msg;
 188       msg << "Failed to use configuration directory '"
 189           <<  writedir << "': " << PHYSFS_getLastError();
 190       throw std::runtime_error(msg.str());
 191     }
 192
 193     PHYSFS_addToSearchPath(writedir.c_str(), 0);
 194   }
 195
 196   void print_search_path()
 197   {
 198     char** searchpath = PHYSFS_getSearchPath();
 199     for(char** i = searchpath; *i != NULL; ++i)
 200     {
 201       log_info << "[" << *i << "] is in the search path" << std::endl;
 202     }
 203     PHYSFS_freeList(searchpath);
 204   }
 205
 206   ~PhysfsSubsystem()
 207   {
 208     PHYSFS_deinit();
 209   }
 210 };
 211
 212 class SDLSubsystem
 213 {
 214 public:
 215   SDLSubsystem()
 216   {
 217     if(SDL_Init(SDL_INIT_TIMER | SDL_INIT_VIDEO | SDL_INIT_JOYSTICK | SDL_INIT_GAMECONTROLLER) < 0)
 218     {
 219       std::stringstream msg;
 220       msg << "Couldn't initialize SDL: " << SDL_GetError();
 221       throw std::runtime_error(msg.str());
 222     }
 223     // just to be sure
 224     atexit(SDL_Quit);
 225   }
 226
 227   ~SDLSubsystem()
 228   {
 229     SDL_Quit();
 230   }
 231 };
 232
 233 void
 234 Main::init_video()
 235 {
 236   SDL_SetWindowTitle(VideoSystem::current()->get_renderer().get_window(), PACKAGE_NAME " " PACKAGE_VERSION);
 237
 238   const char* icon_fname = "images/engine/icons/supertux-256x256.png";
 239   SDL_Surface* icon = IMG_Load_RW(get_physfs_SDLRWops(icon_fname), true);
 240   if (!icon)
 241   {
 242     log_warning << "Couldn't load icon '" << icon_fname << "': " << SDL_GetError() << std::endl;
 243   }
 244   else
 245   {
 246     SDL_SetWindowIcon(VideoSystem::current()->get_renderer().get_window(), icon);
 247     SDL_FreeSurface(icon);
 248   }
 249   SDL_ShowCursor(0);
 250
 251   log_info << (g_config->use_fullscreen?"fullscreen ":"window ")
 252            << " Window: "     << g_config->window_size
 253            << " Fullscreen: " << g_config->fullscreen_size << "@" << g_config->fullscreen_refresh_rate
 254            << " Area: "       << g_config->aspect_size << std::endl;
 255 }
 256
 257 static Uint32 last_timelog_ticks = 0;
 258 static const char* last_timelog_component = 0;
 259
 260 static inline void timelog(const char* component)
 261 {
 262   Uint32 current_ticks = SDL_GetTicks();
 263
 264   if(last_timelog_component != 0) {
 265     log_info << "Component '" << last_timelog_component <<  "' finished after " << (current_ticks - last_timelog_ticks) / 1000.0 << " seconds" << std::endl;
 266   }
 267
 268   last_timelog_ticks = current_ticks;
 269   last_timelog_component = component;
 270 }
 271
 272 void
 273 Main::launch_game()
 274 {
 275   SDLSubsystem sdl_subsystem;
 276   ConsoleBuffer console_buffer;
 277
 278   timelog("controller");
 279   InputManager input_manager(g_config->keyboard_config, g_config->joystick_config);
 280
 281   timelog("commandline");
 282
 283   timelog("video");
 284   std::unique_ptr<VideoSystem> video_system = VideoSystem::create(g_config->video);
 285   DrawingContext context(video_system->get_renderer(),
 286                          video_system->get_lightmap());
 287   init_video();
 288
 289   timelog("audio");
 290   SoundManager sound_manager;
 291   sound_manager.enable_sound(g_config->sound_enabled);
 292   sound_manager.enable_music(g_config->music_enabled);
 293
 294   Console console(console_buffer);
 295
 296   timelog("scripting");
 297   scripting::Scripting scripting(g_config->enable_script_debugger);
 298
 299   timelog("resources");
 300   TileManager tile_manager;
 301   SpriteManager sprite_manager;
 302   Resources resources;
 303
 304   timelog("addons");
 305   AddonManager addon_manager(g_config->disabled_addon_filenames);
 306   addon_manager.load_addons();
 307
 308   timelog(0);
 309
 310   const std::unique_ptr<Savegame> default_savegame(new Savegame(std::string()));
 311
 312   GameManager game_manager;
 313   ScreenManager screen_manager;
 314
 315   if(g_config->start_level != "") {
 316     // we have a normal path specified at commandline, not a physfs path.
 317     // So we simply mount that path here...
 318     std::string dir = FileSystem::dirname(g_config->start_level);
 319     std::string fileProtocol = "file://";
 320     std::string::size_type position = dir.find(fileProtocol);
 321     if(position != std::string::npos) {
 322       dir = dir.replace(position, fileProtocol.length(), "");
 323     }
 324     log_debug << "Adding dir: " << dir << std::endl;
 325     PHYSFS_addToSearchPath(dir.c_str(), true);
 326
 327     if(g_config->start_level.size() > 4 &&
 328        g_config->start_level.compare(g_config->start_level.size() - 5, 5, ".stwm") == 0)
 329     {
 330       screen_manager.push_screen(std::unique_ptr<Screen>(
 331                                               new worldmap::WorldMap(
 332                                                 FileSystem::basename(g_config->start_level), *default_savegame)));
 333     } else {
 334       std::unique_ptr<GameSession> session (
 335         new GameSession(FileSystem::basename(g_config->start_level), *default_savegame));
 336
 337       g_config->random_seed = session->get_demo_random_seed(g_config->start_demo);
 338       g_config->random_seed = gameRandom.srand(g_config->random_seed);
 339       graphicsRandom.srand(0);
 340
 341       if(g_config->start_demo != "")
 342         session->play_demo(g_config->start_demo);
 343
 344       if(g_config->record_demo != "")
 345         session->record_demo(g_config->record_demo);
 346       screen_manager.push_screen(std::move(session));
 347     }
 348   } else {
 349     screen_manager.push_screen(std::unique_ptr<Screen>(new TitleScreen(*default_savegame)));
 350   }
 351
 352   screen_manager.run(context);
 353 }
 354
 355 int
 356 Main::run(int argc, char** argv)
 357 {
 358   int result = 0;
 359
 360   try
 361   {
 362     CommandLineArguments args;
 363
 364     try
 365     {
 366       args.parse_args(argc, argv);
 367       g_log_level = args.get_log_level();
 368     }
 369     catch(const std::exception& err)
 370     {
 371       std::cout << "Error: " << err.what() << std::endl;
 372       return EXIT_FAILURE;
 373     }
 374
 375     PhysfsSubsystem physfs_subsystem(argv[0]);
 376     physfs_subsystem.print_search_path();
 377
 378     timelog("config");
 379     ConfigSubsystem config_subsystem;
 380     args.merge_into(*g_config);
 381
 382     timelog("tinygettext");
 383     init_tinygettext();
 384
 385     switch (args.get_action())
 386     {
 387       case CommandLineArguments::PRINT_VERSION:
 388         args.print_version();
 389         return 0;
 390
 391       case CommandLineArguments::PRINT_HELP:
 392         args.print_help(argv[0]);
 393         return 0;
 394
 395       case CommandLineArguments::PRINT_DATADIR:
 396         args.print_datadir();
 397         return 0;
 398
 399       default:
 400         launch_game();
 401         break;
 402     }
 403   }
 404   catch(const std::exception& e)
 405   {
 406     log_fatal << "Unexpected exception: " << e.what() << std::endl;
 407     result = 1;
 408   }
 409   catch(...)
 410   {
 411     log_fatal << "Unexpected exception" << std::endl;
 412     result = 1;
 413   }
 414
 415   g_dictionary_manager.reset();
 416
 417   return result;
 418 }
 419
 420 /* EOF */