- /* Calculate the movement-factor */
- frame_ratio = ((double)(update_time-last_update_time))/((double)FRAME_RATE);
- if(frame_ratio > 1.5) /* Quick hack to correct the unprecise CPU clocks a little bit. */
- frame_ratio = 1.5 + (frame_ratio - 1.5) * 0.85;
- /* Lower the frame_ratio that Tux doesn't jump to hectically throught the demo. */
- frame_ratio /= 2;
-
- /* Handle events: */
-
- while (SDL_PollEvent(&event))
- {
- menu_event(event);
- if (event.type == SDL_QUIT)
- {
- /* Quit event - quit: */
- quit = 1;
- }
- else if (event.type == SDL_KEYDOWN)
- {
- /* Keypress... */
-
- key = event.key.keysym.sym;
-
- /* Check for menu events */
- //menu_event(event);
-
- if (key == SDLK_ESCAPE)
- {
- /* Escape: Quit: */
-
- quit = 1;
- }
- }
- }
-
- /* Draw the background: */
- draw_background();
-
- /* DEMO begin */
- /* update particle systems */
- std::vector<ParticleSystem*>::iterator p;
- for(p = particle_systems.begin(); p != particle_systems.end(); ++p)
- {
- (*p)->simulate(frame_ratio);
- }
-
- /* Draw particle systems (background) */
- for(p = particle_systems.begin(); p != particle_systems.end(); ++p)
- {
- (*p)->draw(scroll_x, 0, 0);
- }
-
- /* Draw interactive tiles: */
-
- for (int y = 0; y < 15; ++y)
- {
- for (int x = 0; x < 21; ++x)
- {
- drawshape(32*x - fmodf(scroll_x, 32), y * 32,
- current_level.ia_tiles[(int)y][(int)x + (int)(scroll_x / 32)]);
- }
- }
-
- global_frame_counter++;
- titletux.key_event(SDLK_RIGHT,DOWN);
-
-
- if(timer_check(&random_timer))
- {
- if(walking)
- titletux.key_event(SDLK_UP,UP);
- else
- titletux.key_event(SDLK_UP,DOWN);
- }
- else
- {
- timer_start(&random_timer, rand() % 3000 + 3000);
- walking = !walking;
- }
-
- if(current_level.width * 32 - 320 < titletux.base.x)
- {
- titletux.base.x = 160;
- scroll_x = 0;
- }
-
- titletux.action();
- titletux.draw();
-
- /* DEMO end */
-
- /* Draw the high score: */
- /*
- sprintf(str, "High score: %d", hs_score);
- text_drawf(&gold_text, str, 0, -40, A_HMIDDLE, A_BOTTOM, 1);
- sprintf(str, "by %s", hs_name);
- text_drawf(&gold_text, str, 0, -20, A_HMIDDLE, A_BOTTOM, 1);
- */
-
- /* Don't draw menu, if quit is true */
- if(show_menu && !quit)
- menu_process_current();
-
- if(current_menu == main_menu)
- {
- switch (main_menu->check())
- {
- case 2:
- done = 0;
- i = 0;
- if(level_subsets.num_items != 0)
- {
- subset.load(level_subsets.item[0]);
- while(!done)
- {
- texture_draw(&img_choose_subset,(screen->w - img_choose_subset.w) / 2, 0);
- if(level_subsets.num_items != 0)
- {
- texture_draw(&subset.image,(screen->w - subset.image.w) / 2 + 25,78);
- if(level_subsets.num_items > 1)
- {
- if(i > 0)
- texture_draw(&arrow_left,(screen->w / 2) - ((subset.title.length()+2)*16)/2,20);
- if(i < level_subsets.num_items-1)
- texture_draw(&arrow_right,(screen->w / 2) + ((subset.description.length())*16)/2,20);
- }
- text_drawf(&gold_text, subset.title.c_str(), 0, 20, A_HMIDDLE, A_TOP, 1);
- text_drawf(&gold_text, subset.description.c_str(), 20, -20, A_HMIDDLE, A_BOTTOM, 1);
- }
- updatescreen();
- SDL_Delay(50);
- while(SDL_PollEvent(&event) && !done)
- {
- switch(event.type)
- {
- case SDL_QUIT:
- done = 1;
- quit = 1;
- break;
- case SDL_KEYDOWN: // key pressed
- /* Keypress... */
-
- key = event.key.keysym.sym;
-
- if(key == SDLK_LEFT)
- {
- if(i > 0)
- {
- --i;
- subset.free();
- subset.load(level_subsets.item[i]);
- }
- }
- else if(key == SDLK_RIGHT)
- {
- if(i < level_subsets.num_items -1)
- {
- ++i;
- subset.free();
- subset.load(level_subsets.item[i]);
- }
- }
- else if(key == SDLK_SPACE || key == SDLK_RETURN)
- {
- done = true;
- quit = gameloop(subset.name.c_str(),1,ST_GL_PLAY);
- subset.free();
- }
- else if(key == SDLK_ESCAPE)
- {
- done = true;
- }
- break;
- default:
- break;
- }
- }
- }
- }
- // reset tux
- scroll_x = 0;
- titletux.level_begin();
- update_time = st_get_ticks();
- break;
- case 3:
- update_load_save_game_menu(load_game_menu, true);
- break;
- case 5:
- done = 1;
- quit = leveleditor(1);
- break;
- case 6:
- display_credits();
- break;
- case 8:
- quit = 1;
- break;
- }
- }
- else if(current_menu == options_menu)
- {
- process_options_menu();
- }
- else if(current_menu == load_game_menu)
- {
- process_save_load_game_menu(false);
- }
-
- texture_draw(&logo, 160, 30);
-
- mouse_cursor->draw();
-
- flipscreen();
-
- /* Set the time of the last update and the time of the current update */
- last_update_time = update_time;
- update_time = st_get_ticks();
-
- /* Pause: */
- frame++;
- SDL_Delay(25);