-static void init_sdl()
-{
- if(SDL_Init(SDL_INIT_EVERYTHING) < 0) {
- std::stringstream msg;
- msg << "Couldn't initialize SDL: " << SDL_GetError();
- throw std::runtime_error(msg.str());
- }
-
- SDL_EnableUNICODE(1);
-
- // wait 100ms and clear SDL event queue because sometimes we have random
- // joystick events in the queue on startup...
- SDL_Delay(100);
- SDL_Event dummy;
- while(SDL_PollEvent(&dummy))
- ;
-}
-
-static void check_gl_error()
-{
- GLenum glerror = glGetError();
- std::string errormsg;
-
- if(glerror != GL_NO_ERROR) {
- switch(glerror) {
- case GL_INVALID_ENUM:
- errormsg = "Invalid enumeration value";
- break;
- case GL_INVALID_VALUE:
- errormsg = "Numeric argzment out of range";
- break;
- case GL_INVALID_OPERATION:
- errormsg = "Invalid operation";
- break;
- case GL_STACK_OVERFLOW:
- errormsg = "stack overflow";
- break;
- case GL_STACK_UNDERFLOW:
- errormsg = "stack underflow";
- break;
- case GL_OUT_OF_MEMORY:
- errormsg = "out of memory";
- break;
- case GL_TABLE_TOO_LARGE:
- errormsg = "table too large";
- break;
- default:
- errormsg = "unknown error number";
- break;
- }
- std::stringstream msg;
- msg << "OpenGL Error: " << errormsg;
- throw std::runtime_error(msg.str());
- }
-}
-
-void init_video()
-{
- SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
- SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
- SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
- SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
-
- int flags = SDL_OPENGL;
- if(config->use_fullscreen)
- flags |= SDL_FULLSCREEN;
- int width = config->screenwidth;
- int height = config->screenheight;
- int bpp = 0;
-
- screen = SDL_SetVideoMode(width, height, bpp, flags);
- if(screen == 0) {
- std::stringstream msg;
- msg << "Couldn't set video mode (" << width << "x" << height
- << "-" << bpp << "bpp): " << SDL_GetError();
- throw std::runtime_error(msg.str());
- }
-
- SDL_WM_SetCaption(PACKAGE_NAME " " PACKAGE_VERSION, 0);
-
- // set icon
- SDL_Surface* icon = IMG_Load(
- get_resource_filename("images/engine/icons/supertux.xpm").c_str());
- if(icon != 0) {
- SDL_WM_SetIcon(icon, 0);
- SDL_FreeSurface(icon);
- }
-#ifdef DEBUG
- else {
- std::cerr << "Warning: Couldn't find icon 'images/engine/icons/supertux.xpm'.\n";
- }
-#endif
-
- // setup opengl state and transform
- glDisable(GL_DEPTH_TEST);
- glDisable(GL_CULL_FACE);
-
- glViewport(0, 0, screen->w, screen->h);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- // logical resolution here not real monitor resolution
- glOrtho(0, 800, 600, 0, -1.0, 1.0);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- glTranslatef(0, 0, 0);
-
- check_gl_error();
-
- Surface::reload_all();
-}
-
-static void init_audio()
-{
- sound_manager = new SoundManager();
-
- int format = MIX_DEFAULT_FORMAT;
- if(Mix_OpenAudio(config->audio_frequency, format, config->audio_channels,
- config->audio_chunksize) < 0) {
- std::cerr << "Couldn't initialize audio ("
- << config->audio_frequency << "HZ, " << config->audio_channels
- << " Channels, Format " << format << ", ChunkSize "
- << config->audio_chunksize << "): " << SDL_GetError() << "\n";
- return;
- }
- sound_manager->set_audio_device_available(true);
- sound_manager->enable_sound(config->sound_enabled);
- sound_manager->enable_music(config->music_enabled);
-
- if(Mix_AllocateChannels(config->audio_voices) < 0) {
- std::cerr << "Couldn't allocate '" << config->audio_voices << "' audio voices: "
- << SDL_GetError() << "\n";
- return;
- }
-}
-
-static void quit_audio()
-{
- if(sound_manager) {
- if(sound_manager->audio_device_available())
- Mix_CloseAudio();
-
- delete sound_manager;
- sound_manager = 0;
- }
-}
-
-void wait_for_event(float min_delay, float max_delay)
-{
- assert(min_delay <= max_delay);
-
- Uint32 min = (Uint32) (min_delay * 1000);
- Uint32 max = (Uint32) (max_delay * 1000);
-
- SDL_Delay(min);
-
- // clear even queue
- SDL_Event event;
- while (SDL_PollEvent(&event))
- {}
-
- /* Handle events: */
- bool running = false;
- Uint32 ticks = SDL_GetTicks();
- while(running) {
- while(SDL_PollEvent(&event)) {
- switch(event.type) {
- case SDL_QUIT:
- throw std::runtime_error("received window close");
- case SDL_KEYDOWN:
- case SDL_JOYBUTTONDOWN:
- case SDL_MOUSEBUTTONDOWN:
- running = false;
- }
- }
- if(SDL_GetTicks() - ticks >= (max - min))
- running = false;
- SDL_Delay(10);
- }
-}
-
-int main(int argc, char** argv)
-{
-#ifndef DEBUG // we want backtraces in debug mode so don't catch exceptions
- try {
-#endif
- srand(time(0));
- init_sdl();
- main_controller = new JoystickKeyboardController();
- find_directories();
- init_config();
- init_tinygettext();
- parse_commandline(argc, argv);
- init_audio();
- init_video();
-
- setup_menu();
- load_shared();
- if(config->start_level != "") {
- GameSession session(config->start_level, ST_GL_LOAD_LEVEL_FILE);
- if(config->start_demo != "")
- session.play_demo(config->start_demo);
- if(config->record_demo != "")
- session.record_demo(config->record_demo);
- session.run();
- } else {
- // normal game
- title();
- }
-
-#ifndef DEBUG
- } catch(std::exception& e) {
- std::cerr << "Unexpected exception: " << e.what() << std::endl;
- return 1;
- } catch(...) {
- std::cerr << "Unexpected exception." << std::endl;
- return 1;
- }
-#endif
-
- free_menu();
- unload_shared();
-#ifdef DEBUG
- Surface::debug_check();
-#endif
- quit_audio();
-
- if(config)
- config->save();
- delete config;
- delete main_controller;
- SDL_Quit();
-
- return 0;
-}