4 Super Tux - Title Screen
7 bill@newbreedsoftware.com
8 http://www.newbreedsoftware.com/supertux/
10 April 11, 2000 - March 15, 2004
19 #include <SDL_image.h>
22 #include <sys/types.h>
30 #include "high_scores.h"
37 #include "leveleditor.h"
42 void loadshared(void);
43 void activate_particle_systems(void);
45 static texture_type bkg_title;
46 static texture_type logo;
47 static texture_type img_choose_subset;
49 static SDL_Event event;
52 static unsigned int last_update_time;
53 static unsigned int update_time;
55 void display_credits();
57 void draw_background()
59 /* Draw the title background: */
61 texture_draw_bg(&bkg_title);
64 /* --- TITLE SCREEN --- */
69 string_list_type level_subsets;
71 level_subsets = dsubdirs("/levels", "info");
72 timer_type random_timer;
73 timer_init(&random_timer, true);
77 st_pause_ticks_init();
79 level_load(¤t_level, (datadir + "/levels/misc/menu.stl").c_str());
81 activate_particle_systems();
82 /* Lower the gravity that tux doesn't jump to hectically through the demo */
85 /* Reset menu variables */
87 Menu::set_current(main_menu);
94 texture_load(&bkg_title,datadir + "/images/title/background.jpg", IGNORE_ALPHA);
95 texture_load(&logo,datadir + "/images/title/logo.png", USE_ALPHA);
96 texture_load(&img_choose_subset,datadir + "/images/status/choose-level-subset.png", USE_ALPHA);
98 /* --- Main title loop: --- */
105 /* Draw the title background: */
106 texture_draw_bg(&bkg_title);
109 update_time = st_get_ticks();
110 timer_start(&random_timer, rand() % 2000 + 2000);
112 while (!done && !quit)
115 /* Calculate the movement-factor */
116 frame_ratio = ((double)(update_time-last_update_time))/((double)FRAME_RATE);
117 if(frame_ratio > 1.5) /* Quick hack to correct the unprecise CPU clocks a little bit. */
118 frame_ratio = 1.5 + (frame_ratio - 1.5) * 0.85;
119 /* Lower the frame_ratio that Tux doesn't jump to hectically throught the demo. */
124 while (SDL_PollEvent(&event))
127 if (event.type == SDL_QUIT)
129 /* Quit event - quit: */
132 else if (event.type == SDL_KEYDOWN)
136 key = event.key.keysym.sym;
138 /* Check for menu events */
141 if (key == SDLK_ESCAPE)
150 /* Draw the background: */
154 /* update particle systems */
155 std::vector<ParticleSystem*>::iterator p;
156 for(p = particle_systems.begin(); p != particle_systems.end(); ++p)
158 (*p)->simulate(frame_ratio);
161 /* Draw particle systems (background) */
162 for(p = particle_systems.begin(); p != particle_systems.end(); ++p)
164 (*p)->draw(scroll_x, 0, 0);
167 /* Draw interactive tiles: */
169 for (int y = 0; y < 15; ++y)
171 for (int x = 0; x < 21; ++x)
173 drawshape(32*x - fmodf(scroll_x, 32), y * 32,
174 current_level.ia_tiles[(int)y][(int)x + (int)(scroll_x / 32)]);
178 global_frame_counter++;
179 titletux.key_event(SDLK_RIGHT,DOWN);
182 if(timer_check(&random_timer))
185 titletux.key_event(SDLK_UP,UP);
187 titletux.key_event(SDLK_UP,DOWN);
191 timer_start(&random_timer, rand() % 3000 + 3000);
195 if(current_level.width * 32 - 320 < titletux.base.x)
197 titletux.base.x = 160;
206 /* Draw the high score: */
208 sprintf(str, "High score: %d", hs_score);
209 text_drawf(&gold_text, str, 0, -40, A_HMIDDLE, A_BOTTOM, 1);
210 sprintf(str, "by %s", hs_name);
211 text_drawf(&gold_text, str, 0, -20, A_HMIDDLE, A_BOTTOM, 1);
214 /* Don't draw menu, if quit is true */
215 if(show_menu && !quit)
216 menu_process_current();
218 if(current_menu == main_menu)
220 switch (main_menu->check())
225 if(level_subsets.num_items != 0)
227 subset.load(level_subsets.item[0]);
230 texture_draw(&img_choose_subset,(screen->w - img_choose_subset.w) / 2, 0);
231 if(level_subsets.num_items != 0)
233 texture_draw(&subset.image,(screen->w - subset.image.w) / 2 + 25,78);
234 if(level_subsets.num_items > 1)
237 texture_draw(&arrow_left,(screen->w / 2) - ((subset.title.length()+2)*16)/2,20);
238 if(i < level_subsets.num_items-1)
239 texture_draw(&arrow_right,(screen->w / 2) + ((subset.description.length())*16)/2,20);
241 text_drawf(&gold_text, subset.title.c_str(), 0, 20, A_HMIDDLE, A_TOP, 1);
242 text_drawf(&gold_text, subset.description.c_str(), 20, -20, A_HMIDDLE, A_BOTTOM, 1);
246 while(SDL_PollEvent(&event) && !done)
254 case SDL_KEYDOWN: // key pressed
257 key = event.key.keysym.sym;
265 subset.load(level_subsets.item[i]);
268 else if(key == SDLK_RIGHT)
270 if(i < level_subsets.num_items -1)
274 subset.load(level_subsets.item[i]);
277 else if(key == SDLK_SPACE || key == SDLK_RETURN)
280 quit = gameloop(subset.name.c_str(),1,ST_GL_PLAY);
283 else if(key == SDLK_ESCAPE)
296 titletux.level_begin();
297 update_time = st_get_ticks();
300 update_load_save_game_menu(load_game_menu, true);
304 quit = leveleditor(1);
314 else if(current_menu == options_menu)
316 process_options_menu();
318 else if(current_menu == load_game_menu)
320 process_save_load_game_menu(false);
323 texture_draw(&logo, 160, 30);
325 mouse_cursor->draw();
329 /* Set the time of the last update and the time of the current update */
330 last_update_time = update_time;
331 update_time = st_get_ticks();
340 texture_free(&bkg_title);
342 string_list_free(&level_subsets);
344 /* Return to main! */
353 void display_credits()
362 string_list_type names;
364 string_list_init(&names);
365 sprintf(filename,"%s/CREDITS", datadir.c_str());
366 if((fi = fopen(filename,"r")) != NULL)
368 while(fgets(temp, sizeof(temp), fi) != NULL)
370 temp[strlen(temp)-1]='\0';
371 string_list_add_item(&names,temp);
377 string_list_add_item(&names,"Credits were not found!");
378 string_list_add_item(&names,"Shame on the guy, who");
379 string_list_add_item(&names,"forgot to include them");
380 string_list_add_item(&names,"in your SuperTux distribution.");
384 timer_init(&timer, SDL_GetTicks());
385 timer_start(&timer, 50);
393 length = names.num_items;
395 SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
399 /* in case of input, exit */
400 while(SDL_PollEvent(&event))
404 switch(event.key.keysym.sym)
433 else if(speed < -MAX_VEL)
436 /* draw the credits */
440 text_drawf(&white_big_text, "- Credits -", 0, screen->h-scroll, A_HMIDDLE, A_TOP, 2);
442 for(i = 0, n = 0, d = 0; i < length; i++,n++,d++)
444 if(names.item[i] == "")
448 if(names.item[i][0] == ' ')
449 text_drawf(&white_small_text, names.item[i], 0, 60+screen->h+(n*18)+(d*18)-scroll-10, A_HMIDDLE, A_TOP, 1);
450 else if(names.item[i][0] == ' ')
451 text_drawf(&white_text, names.item[i], 0, 60+screen->h+(n*18)+(d*18)-scroll, A_HMIDDLE, A_TOP, 1);
452 else if(names.item[i+1][0] == '-' || names.item[i][0] == '-')
453 text_drawf(&white_big_text, names.item[i], 0, 60+screen->h+(n*18)+(d*18)-scroll, A_HMIDDLE, A_TOP, 3);
455 text_drawf(&blue_text, names.item[i], 0, 60+screen->h+(n*18)+(d*18)-scroll, A_HMIDDLE, A_TOP, 1);
460 texture_draw_part(&bkg_title, 0, 0, 0, 0, 640, 130);
464 if(60+screen->h+(n*18)+(d*18)-scroll < 0 && 20+60+screen->h+(n*18)+(d*18)-scroll < 0)
473 if(timer_get_left(&timer) < 0)
476 timer_start(&timer, 50);
479 string_list_free(&names);
481 SDL_EnableKeyRepeat(0, 0); // disables key repeating
483 Menu::set_current(main_menu);