src/title.c

   1 /*
   2   title.c
   3
   4   Super Tux - Title Screen
   5
   6   by Bill Kendrick
   7   bill@newbreedsoftware.com
   8   http://www.newbreedsoftware.com/supertux/
   9
  10   April 11, 2000 - December 29, 2003
  11 */
  12
  13 #include <stdio.h>
  14 #include <stdlib.h>
  15 #include <string.h>
  16 #include <errno.h>
  17 #include <unistd.h>
  18 #include <SDL.h>
  19 #include <SDL_image.h>
  20
  21 #ifdef LINUX
  22 #include <pwd.h>
  23 #include <sys/types.h>
  24 #include <ctype.h>
  25 #endif
  26
  27 #include "defines.h"
  28 #include "globals.h"
  29 #include "title.h"
  30 #include "screen.h"
  31 #include "high_scores.h"
  32 #include "menu.h"
  33 #include "texture.h"
  34 #include "timer.h"
  35 #include "setup.h"
  36 #include "level.h"
  37 #include "gameloop.h"
  38 #include "leveleditor.h"
  39
  40 texture_type bkg_title, img_choose_subset, anim1, anim2;
  41 SDL_Event event;
  42 SDLKey key;
  43 int quit, frame, pict, i;
  44
  45 void display_credits();
  46
  47 void draw_background()
  48 {
  49   /* Draw the title background: */
  50
  51   texture_draw_bg(&bkg_title, NO_UPDATE);
  52
  53   /* Animate title screen: */
  54
  55   pict = (frame / 5) % 3;
  56
  57   if (pict == 0)
  58     texture_draw_part(&bkg_title, 560, 270, 560, 270, 80, 75, NO_UPDATE);
  59   else if (pict == 1)
  60     texture_draw(&anim1, 560, 270, NO_UPDATE);
  61   else if (pict == 2)
  62     texture_draw(&anim2, 560, 270, NO_UPDATE);
  63 }
  64
  65 /* --- TITLE SCREEN --- */
  66
  67 int title(void)
  68 {
  69   int done;
  70   char str[80];
  71   string_list_type level_subsets;
  72   level_subsets = dsubdirs("/levels", "info");
  73   st_subset subset;
  74   subset_init(&subset);
  75
  76   /* Reset menu variables */
  77   menu_reset();
  78   menu_set_current(&main_menu);
  79
  80   clearscreen(0, 0, 0);
  81   updatescreen();
  82
  83   /* Load images: */
  84
  85   texture_load(&bkg_title,DATA_PREFIX "/images/title/title.png", IGNORE_ALPHA);
  86   texture_load(&anim1,DATA_PREFIX "/images/title/title-anim2.png", IGNORE_ALPHA);
  87   texture_load(&anim2,DATA_PREFIX "/images/title/title-anim1.png", IGNORE_ALPHA);
  88   texture_load(&img_choose_subset,DATA_PREFIX "/images/status/choose-level-subset.png", USE_ALPHA);
  89
  90   /* --- Main title loop: --- */
  91
  92   done = 0;
  93   quit = 0;
  94   show_menu = 1;
  95   frame = 0;
  96
  97   /* Draw the title background: */
  98   texture_draw_bg(&bkg_title, NO_UPDATE);
  99
 100   load_hs();
 101
 102   while (!done && !quit)
 103     {
 104       /* Handle events: */
 105
 106       while (SDL_PollEvent(&event))
 107         {
 108           if (event.type == SDL_QUIT)
 109             {
 110               /* Quit event - quit: */
 111               quit = 1;
 112             }
 113           else if (event.type == SDL_KEYDOWN)
 114             {
 115               /* Keypress... */
 116
 117               key = event.key.keysym.sym;
 118
 119               /* Check for menu events */
 120               menu_event(&event.key.keysym);
 121
 122               if (key == SDLK_ESCAPE)
 123                 {
 124                   /* Escape: Quit: */
 125
 126                   quit = 1;
 127                 }
 128             }
 129 #ifdef JOY_YES
 130           else if (event.type == SDL_JOYAXISMOTION && event.jaxis.axis == JOY_Y)
 131             {
 132               if (event.jaxis.value > 1024)
 133                 menuaction = MN_DOWN;
 134               else if (event.jaxis.value < -1024)
 135                 menuaction = MN_UP;
 136             }
 137           else if (event.type == SDL_JOYBUTTONDOWN)
 138             {
 139               /* Joystick button: Continue: */
 140
 141               menuaction = MN_HIT;
 142             }
 143 #endif
 144
 145         }
 146
 147       /* Draw the background: */
 148       draw_background();
 149
 150       /* Draw the high score: */
 151       sprintf(str, "High score: %d", hs_score);
 152       text_drawf(&gold_text, str, 0, -40, A_HMIDDLE, A_BOTTOM, 1, NO_UPDATE);
 153       sprintf(str, "by %s", hs_name);
 154       text_drawf(&gold_text, str, 0, -20, A_HMIDDLE, A_BOTTOM, 1, NO_UPDATE);
 155
 156       /* Don't draw menu, if quit is true */
 157       if(show_menu && !quit)
 158         menu_process_current();
 159
 160       if(current_menu == &main_menu)
 161         {
 162           switch (menu_check(&main_menu))
 163             {
 164             case 2:
 165               done = 0;
 166               i = 0;
 167               if(level_subsets.num_items != 0)
 168                 {
 169                   subset_load(&subset,level_subsets.item[0]);
 170                   while(!done)
 171                     {
 172                       texture_draw(&img_choose_subset,(screen->w - img_choose_subset.w) / 2, 0, NO_UPDATE);
 173                       if(level_subsets.num_items != 0)
 174                         {
 175                           texture_draw(&subset.image,(screen->w - subset.image.w) / 2 + 25,78,NO_UPDATE);
 176                           if(level_subsets.num_items > 1)
 177                             {
 178                               if(i > 0)
 179                                 texture_draw(&arrow_left,(screen->w / 2) - ((strlen(subset.title)+2)*16)/2,20,NO_UPDATE);
 180                               if(i < level_subsets.num_items-1)
 181                                 texture_draw(&arrow_right,(screen->w / 2) + ((strlen(subset.title))*16)/2,20,NO_UPDATE);
 182                             }
 183                           text_drawf(&gold_text, subset.title, 0, 20, A_HMIDDLE, A_TOP, 1, NO_UPDATE);
 184                           text_drawf(&gold_text, subset.description, 20, -20, A_HMIDDLE, A_BOTTOM, 1, NO_UPDATE);
 185                         }
 186                       updatescreen();
 187                       SDL_Delay(50);
 188                       while(SDL_PollEvent(&event) && !done)
 189                         {
 190                           switch(event.type)
 191                             {
 192                             case SDL_QUIT:
 193                               done = 1;
 194                               quit = 1;
 195                               break;
 196                             case SDL_KEYDOWN:           // key pressed
 197                               /* Keypress... */
 198
 199                               key = event.key.keysym.sym;
 200
 201                               if(key == SDLK_LEFT)
 202                                 {
 203                                   if(i > 0)
 204                                     {
 205                                       --i;
 206                                       subset_free(&subset);
 207                                       subset_load(&subset,level_subsets.item[i]);
 208                                     }
 209                                 }
 210                               else if(key == SDLK_RIGHT)
 211                                 {
 212                                   if(i < level_subsets.num_items -1)
 213                                     {
 214                                       ++i;
 215                                       subset_free(&subset);
 216                                       subset_load(&subset,level_subsets.item[i]);
 217                                     }
 218                                 }
 219                               else if(key == SDLK_SPACE || key == SDLK_RETURN)
 220                                 {
 221                                   done = YES;
 222                                   quit = gameloop(subset.name,1,ST_GL_PLAY);
 223                                   subset_free(&subset);
 224                                 }
 225                               else if(key == SDLK_ESCAPE)
 226                                 {
 227                                   done = YES;
 228                                 }
 229                               break;
 230                             default:
 231                               break;
 232                             }
 233                         }
 234                     }
 235                 }
 236               break;
 237             case 3:
 238               update_load_save_game_menu(&load_game_menu, YES);
 239               break;
 240             case 5:
 241               done = 1;
 242               quit = leveleditor(1);
 243               break;
 244             case 6:
 245               display_credits();
 246               break;
 247             case 8:
 248               quit = 1;
 249               break;
 250             }
 251         }
 252       else if(current_menu == &options_menu)
 253         {
 254           process_options_menu();
 255         }
 256       else if(current_menu == &load_game_menu)
 257         {
 258           process_save_load_game_menu(NO);
 259         }
 260
 261       flipscreen();
 262
 263       /* Pause: */
 264       frame++;
 265       SDL_Delay(50);
 266
 267     }
 268   /* Free surfaces: */
 269
 270   texture_free(&bkg_title);
 271   texture_free(&anim1);
 272   texture_free(&anim2);
 273   string_list_free(&level_subsets);
 274
 275   /* Return to main! */
 276
 277   return(quit);
 278 }
 279
 280 void display_credits()
 281 {
 282   int done;
 283   int scroll, speed;
 284   timer_type timer;
 285   int n,d,e;
 286   int length;
 287   FILE* fi;
 288   char temp[1024];
 289   string_list_type names;
 290   string_list_init(&names);
 291   char filename[1024];
 292   sprintf(filename,"%s/CREDITS",DATA_PREFIX);
 293   if((fi = fopen(filename,"r")) != NULL)
 294     {
 295       while(fgets(temp, sizeof(temp), fi) != NULL)
 296         {
 297           temp[strlen(temp)-1]='\0';
 298           string_list_add_item(&names,temp);
 299         }
 300       fclose(fi);
 301     }
 302     else
 303     {
 304     string_list_add_item(&names,"Credits were not found!");
 305     string_list_add_item(&names,"Shame on the guy, who");
 306     string_list_add_item(&names,"forgot to include them");
 307     string_list_add_item(&names,"in your SuperTux distribution.");
 308     }
 309
 310
 311   timer_init(&timer, SDL_GetTicks());
 312   timer_start(&timer, 50);
 313
 314   scroll = 0;
 315   speed = 1;
 316   done = 0;
 317
 318   n = d = 0;
 319   e = -20;
 320
 321   length = names.num_items;
 322
 323   SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
 324
 325   while(done == 0)
 326     {
 327       /* in case of input, exit */
 328       while(SDL_PollEvent(&event))
 329         switch(event.type)
 330           {
 331           case SDL_KEYDOWN:
 332             switch(event.key.keysym.sym)
 333               {
 334               case SDLK_DOWN:
 335                 speed -= 1;
 336                 break;
 337               case SDLK_UP:
 338                 speed += 1;
 339                 break;
 340               case SDLK_SPACE:
 341               case SDLK_RETURN:
 342                 if(speed >= 0)
 343                   scroll += 60;
 344                 break;
 345               case SDLK_ESCAPE:
 346                 done = 1;
 347                 break;
 348               default:
 349                 break;
 350               }
 351             break;
 352           case SDL_QUIT:
 353             done = 1;
 354             break;
 355           default:
 356             break;
 357           }
 358
 359       /* draw the credits */
 360
 361       draw_background();
 362
 363       text_drawf(&white_big_text, "- Credits -", 0, screen->h-scroll, A_HMIDDLE, A_TOP, 2, NO_UPDATE);
 364
 365       for(i = 0, n = 0, d = 0; i < length; i++,n++,d++)
 366         {
 367           if(names.item[i] == "")
 368             n--;
 369           else
 370             {
 371               if(names.item[i][0] == ' ')
 372                 text_drawf(&white_small_text, names.item[i], 0, 60+screen->h+(n*18)+(d*18)-scroll-10, A_HMIDDLE, A_TOP, 1, NO_UPDATE);
 373               else if(names.item[i][0] == '     ')
 374                 text_drawf(&white_text, names.item[i], 0, 60+screen->h+(n*18)+(d*18)-scroll, A_HMIDDLE, A_TOP, 1, NO_UPDATE);
 375               else if(names.item[i+1][0] == '-' || names.item[i][0] == '-')
 376                 text_drawf(&white_big_text, names.item[i], 0, 60+screen->h+(n*18)+(d*18)-scroll, A_HMIDDLE, A_TOP, 3+e%7, NO_UPDATE);
 377               else
 378                 text_drawf(&blue_text, names.item[i], 0 + e % 20, 60+screen->h+(n*18)+(d*18)-scroll, A_HMIDDLE, A_TOP, 1, NO_UPDATE);
 379             }
 380         }
 381       if(e == 20)
 382       {
 383       e = -19;
 384       }
 385       e++;
 386
 387
 388       texture_draw_part(&bkg_title, 0, 0, 0, 0, 640, 130, NO_UPDATE);
 389
 390       flipscreen();
 391
 392       if(60+screen->h+(n*18)+(d*18)-scroll < 0 && 20+60+screen->h+(n*18)+(d*18)-scroll < 0)
 393         done = 1;
 394
 395       scroll += speed;
 396       if(scroll < 0)
 397         scroll = 0;
 398
 399       SDL_Delay(35);
 400
 401       if(timer_get_left(&timer) < 0)
 402         {
 403           frame++;
 404           timer_start(&timer, 50);
 405         }
 406     }
 407   string_list_free(&names);
 408
 409   SDL_EnableKeyRepeat(0, 0);    // disables key repeating
 410   show_menu = 1;
 411   menu_set_current(&main_menu);
 412 }