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 static texture_type bkg_title, img_choose_subset, anim1, anim2;
  41 static SDL_Event event;
  42 static SDLKey key;
  43 static 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   st_subset subset;
  73   level_subsets = dsubdirs("/levels", "info");
  74
  75   subset_init(&subset);
  76
  77   /* Reset menu variables */
  78   menu_reset();
  79   menu_set_current(&main_menu);
  80
  81   clearscreen(0, 0, 0);
  82   updatescreen();
  83
  84   /* Load images: */
  85
  86   texture_load(&bkg_title,DATA_PREFIX "/images/title/title.png", IGNORE_ALPHA);
  87   texture_load(&anim1,DATA_PREFIX "/images/title/title-anim2.png", IGNORE_ALPHA);
  88   texture_load(&anim2,DATA_PREFIX "/images/title/title-anim1.png", IGNORE_ALPHA);
  89   texture_load(&img_choose_subset,DATA_PREFIX "/images/status/choose-level-subset.png", USE_ALPHA);
  90
  91   /* --- Main title loop: --- */
  92
  93   done = 0;
  94   quit = 0;
  95   show_menu = 1;
  96   frame = 0;
  97
  98   /* Draw the title background: */
  99   texture_draw_bg(&bkg_title, NO_UPDATE);
 100
 101   load_hs();
 102
 103   while (!done && !quit)
 104     {
 105       /* Handle events: */
 106
 107       while (SDL_PollEvent(&event))
 108         {
 109           if (event.type == SDL_QUIT)
 110             {
 111               /* Quit event - quit: */
 112               quit = 1;
 113             }
 114           else if (event.type == SDL_KEYDOWN)
 115             {
 116               /* Keypress... */
 117
 118               key = event.key.keysym.sym;
 119
 120               /* Check for menu events */
 121               menu_event(&event.key.keysym);
 122
 123               if (key == SDLK_ESCAPE)
 124                 {
 125                   /* Escape: Quit: */
 126
 127                   quit = 1;
 128                 }
 129             }
 130 #ifdef JOY_YES
 131           else if (event.type == SDL_JOYAXISMOTION && event.jaxis.axis == JOY_Y)
 132             {
 133               if (event.jaxis.value > 1024)
 134                 menuaction = MN_DOWN;
 135               else if (event.jaxis.value < -1024)
 136                 menuaction = MN_UP;
 137             }
 138           else if (event.type == SDL_JOYBUTTONDOWN)
 139             {
 140               /* Joystick button: Continue: */
 141
 142               menuaction = MN_HIT;
 143             }
 144 #endif
 145
 146         }
 147
 148       /* Draw the background: */
 149       draw_background();
 150
 151       /* Draw the high score: */
 152       sprintf(str, "High score: %d", hs_score);
 153       text_drawf(&gold_text, str, 0, -40, A_HMIDDLE, A_BOTTOM, 1, NO_UPDATE);
 154       sprintf(str, "by %s", hs_name);
 155       text_drawf(&gold_text, str, 0, -20, A_HMIDDLE, A_BOTTOM, 1, NO_UPDATE);
 156
 157       /* Don't draw menu, if quit is true */
 158       if(show_menu && !quit)
 159         menu_process_current();
 160
 161       if(current_menu == &main_menu)
 162         {
 163           switch (menu_check(&main_menu))
 164             {
 165             case 2:
 166               done = 0;
 167               i = 0;
 168               if(level_subsets.num_items != 0)
 169                 {
 170                   subset_load(&subset,level_subsets.item[0]);
 171                   while(!done)
 172                     {
 173                       texture_draw(&img_choose_subset,(screen->w - img_choose_subset.w) / 2, 0, NO_UPDATE);
 174                       if(level_subsets.num_items != 0)
 175                         {
 176                           texture_draw(&subset.image,(screen->w - subset.image.w) / 2 + 25,78,NO_UPDATE);
 177                           if(level_subsets.num_items > 1)
 178                             {
 179                               if(i > 0)
 180                                 texture_draw(&arrow_left,(screen->w / 2) - ((strlen(subset.title)+2)*16)/2,20,NO_UPDATE);
 181                               if(i < level_subsets.num_items-1)
 182                                 texture_draw(&arrow_right,(screen->w / 2) + ((strlen(subset.title))*16)/2,20,NO_UPDATE);
 183                             }
 184                           text_drawf(&gold_text, subset.title, 0, 20, A_HMIDDLE, A_TOP, 1, NO_UPDATE);
 185                           text_drawf(&gold_text, subset.description, 20, -20, A_HMIDDLE, A_BOTTOM, 1, NO_UPDATE);
 186                         }
 187                       updatescreen();
 188                       SDL_Delay(50);
 189                       while(SDL_PollEvent(&event) && !done)
 190                         {
 191                           switch(event.type)
 192                             {
 193                             case SDL_QUIT:
 194                               done = 1;
 195                               quit = 1;
 196                               break;
 197                             case SDL_KEYDOWN:           // key pressed
 198                               /* Keypress... */
 199
 200                               key = event.key.keysym.sym;
 201
 202                               if(key == SDLK_LEFT)
 203                                 {
 204                                   if(i > 0)
 205                                     {
 206                                       --i;
 207                                       subset_free(&subset);
 208                                       subset_load(&subset,level_subsets.item[i]);
 209                                     }
 210                                 }
 211                               else if(key == SDLK_RIGHT)
 212                                 {
 213                                   if(i < level_subsets.num_items -1)
 214                                     {
 215                                       ++i;
 216                                       subset_free(&subset);
 217                                       subset_load(&subset,level_subsets.item[i]);
 218                                     }
 219                                 }
 220                               else if(key == SDLK_SPACE || key == SDLK_RETURN)
 221                                 {
 222                                   done = YES;
 223                                   quit = gameloop(subset.name,1,ST_GL_PLAY);
 224                                   subset_free(&subset);
 225                                 }
 226                               else if(key == SDLK_ESCAPE)
 227                                 {
 228                                   done = YES;
 229                                 }
 230                               break;
 231                             default:
 232                               break;
 233                             }
 234                         }
 235                     }
 236                 }
 237               break;
 238             case 3:
 239               update_load_save_game_menu(&load_game_menu, YES);
 240               break;
 241             case 5:
 242               done = 1;
 243               quit = leveleditor(1);
 244               break;
 245             case 6:
 246               display_credits();
 247               break;
 248             case 8:
 249               quit = 1;
 250               break;
 251             }
 252         }
 253       else if(current_menu == &options_menu)
 254         {
 255           process_options_menu();
 256         }
 257       else if(current_menu == &load_game_menu)
 258         {
 259           process_save_load_game_menu(NO);
 260         }
 261
 262       flipscreen();
 263
 264       /* Pause: */
 265       frame++;
 266       SDL_Delay(50);
 267
 268     }
 269   /* Free surfaces: */
 270
 271   texture_free(&bkg_title);
 272   texture_free(&anim1);
 273   texture_free(&anim2);
 274   string_list_free(&level_subsets);
 275
 276   /* Return to main! */
 277
 278   return(quit);
 279 }
 280
 281 void display_credits()
 282 {
 283   int done;
 284   int scroll, speed;
 285   timer_type timer;
 286   int n,d;
 287   int length;
 288   FILE* fi;
 289   char temp[1024];
 290   string_list_type names;
 291   char filename[1024];
 292   string_list_init(&names);
 293   sprintf(filename,"%s/CREDITS",DATA_PREFIX);
 294   if((fi = fopen(filename,"r")) != NULL)
 295     {
 296       while(fgets(temp, sizeof(temp), fi) != NULL)
 297         {
 298           temp[strlen(temp)-1]='\0';
 299           string_list_add_item(&names,temp);
 300         }
 301       fclose(fi);
 302     }
 303     else
 304     {
 305     string_list_add_item(&names,"Credits were not found!");
 306     string_list_add_item(&names,"Shame on the guy, who");
 307     string_list_add_item(&names,"forgot to include them");
 308     string_list_add_item(&names,"in your SuperTux distribution.");
 309     }
 310
 311
 312   timer_init(&timer, SDL_GetTicks());
 313   timer_start(&timer, 50);
 314
 315   scroll = 0;
 316   speed = 1;
 317   done = 0;
 318
 319   n = d = 0;
 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, NO_UPDATE);
 377               else
 378                 text_drawf(&blue_text, names.item[i], 0, 60+screen->h+(n*18)+(d*18)-scroll, A_HMIDDLE, A_TOP, 1, NO_UPDATE);
 379             }
 380         }
 381
 382
 383       texture_draw_part(&bkg_title, 0, 0, 0, 0, 640, 130, NO_UPDATE);
 384
 385       flipscreen();
 386
 387       if(60+screen->h+(n*18)+(d*18)-scroll < 0 && 20+60+screen->h+(n*18)+(d*18)-scroll < 0)
 388         done = 1;
 389
 390       scroll += speed;
 391       if(scroll < 0)
 392         scroll = 0;
 393
 394       SDL_Delay(35);
 395
 396       if(timer_get_left(&timer) < 0)
 397         {
 398           frame++;
 399           timer_start(&timer, 50);
 400         }
 401     }
 402   string_list_free(&names);
 403
 404   SDL_EnableKeyRepeat(0, 0);    // disables key repeating
 405   show_menu = 1;
 406   menu_set_current(&main_menu);
 407 }