src/title.cpp

   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 - March 15, 2004
  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 #ifndef WIN32
  22 #include <sys/types.h>
  23 #include <ctype.h>
  24 #endif
  25
  26 #include "defines.h"
  27 #include "globals.h"
  28 #include "title.h"
  29 #include "screen.h"
  30 #include "high_scores.h"
  31 #include "menu.h"
  32 #include "texture.h"
  33 #include "timer.h"
  34 #include "setup.h"
  35 #include "level.h"
  36 #include "gameloop.h"
  37 #include "leveleditor.h"
  38
  39 static texture_type bkg_title, img_choose_subset, anim1, anim2;
  40 static SDL_Event event;
  41 static SDLKey key;
  42 static int quit, frame, pict, i;
  43
  44 void display_credits();
  45
  46 void draw_background()
  47 {
  48   /* Draw the title background: */
  49
  50   texture_draw_bg(&bkg_title);
  51
  52   /* Animate title screen: */
  53
  54   pict = (frame / 5) % 3;
  55
  56   if (pict == 0)
  57     texture_draw_part(&bkg_title, 560, 270, 560, 270, 80, 75);
  58   else if (pict == 1)
  59     texture_draw(&anim1, 560, 270);
  60   else if (pict == 2)
  61     texture_draw(&anim2, 560, 270);
  62 }
  63
  64 /* --- TITLE SCREEN --- */
  65
  66 int title(void)
  67 {
  68   int done;
  69   char str[80];
  70   string_list_type level_subsets;
  71   st_subset subset;
  72   level_subsets = dsubdirs("/levels", "info");
  73
  74   /* Reset menu variables */
  75   menu_reset();
  76   Menu::set_current(main_menu);
  77
  78   clearscreen(0, 0, 0);
  79   updatescreen();
  80
  81   /* Load images: */
  82
  83   texture_load(&bkg_title,datadir + "/images/title/title.png", IGNORE_ALPHA);
  84   texture_load(&anim1,datadir + "/images/title/title-anim2.png", IGNORE_ALPHA);
  85   texture_load(&anim2,datadir + "/images/title/title-anim1.png", IGNORE_ALPHA);
  86   texture_load(&img_choose_subset,datadir + "/images/status/choose-level-subset.png", USE_ALPHA);
  87
  88   /* --- Main title loop: --- */
  89
  90   done = 0;
  91   quit = 0;
  92   show_menu = 1;
  93   frame = 0;
  94
  95   /* Draw the title background: */
  96   texture_draw_bg(&bkg_title);
  97
  98   load_hs();
  99
 100   while (!done && !quit)
 101     {
 102       /* Handle events: */
 103
 104       while (SDL_PollEvent(&event))
 105         {
 106           if (event.type == SDL_QUIT)
 107             {
 108               /* Quit event - quit: */
 109               quit = 1;
 110             }
 111           else if (event.type == SDL_KEYDOWN)
 112             {
 113               /* Keypress... */
 114
 115               key = event.key.keysym.sym;
 116
 117               /* Check for menu events */
 118               menu_event(&event.key.keysym);
 119
 120               if (key == SDLK_ESCAPE)
 121                 {
 122                   /* Escape: Quit: */
 123
 124                   quit = 1;
 125                 }
 126             }
 127           else if (event.type == SDL_JOYAXISMOTION && event.jaxis.axis == JOY_Y)
 128             {
 129               if (event.jaxis.value > 1024)
 130                 menuaction = MENU_ACTION_DOWN;
 131               else if (event.jaxis.value < -1024)
 132                 menuaction = MENU_ACTION_UP;
 133             }
 134           else if (event.type == SDL_JOYBUTTONDOWN)
 135             {
 136               /* Joystick button: Continue: */
 137               menuaction = MENU_ACTION_HIT;
 138             }
 139         }
 140
 141       /* Draw the background: */
 142       draw_background();
 143
 144       /* Draw the high score: */
 145       sprintf(str, "High score: %d", hs_score);
 146       text_drawf(&gold_text, str, 0, -40, A_HMIDDLE, A_BOTTOM, 1);
 147       sprintf(str, "by %s", hs_name);
 148       text_drawf(&gold_text, str, 0, -20, A_HMIDDLE, A_BOTTOM, 1);
 149
 150       /* Don't draw menu, if quit is true */
 151       if(show_menu && !quit)
 152         menu_process_current();
 153
 154       if(current_menu == main_menu)
 155         {
 156           switch (main_menu->check())
 157             {
 158             case 2:
 159               done = 0;
 160               i = 0;
 161               if(level_subsets.num_items != 0)
 162                 {
 163                   subset.load(level_subsets.item[0]);
 164                   while(!done)
 165                     {
 166                       texture_draw(&img_choose_subset,(screen->w - img_choose_subset.w) / 2, 0);
 167                       if(level_subsets.num_items != 0)
 168                         {
 169                           texture_draw(&subset.image,(screen->w - subset.image.w) / 2 + 25,78);
 170                           if(level_subsets.num_items > 1)
 171                             {
 172                               if(i > 0)
 173                                 texture_draw(&arrow_left,(screen->w / 2) - ((subset.title.length()+2)*16)/2,20);
 174                               if(i < level_subsets.num_items-1)
 175                                 texture_draw(&arrow_right,(screen->w / 2) + ((subset.description.length())*16)/2,20);
 176                             }
 177                           text_drawf(&gold_text, subset.title.c_str(), 0, 20, A_HMIDDLE, A_TOP, 1);
 178                           text_drawf(&gold_text, subset.description.c_str(), 20, -20, A_HMIDDLE, A_BOTTOM, 1);
 179                         }
 180                       updatescreen();
 181                       SDL_Delay(50);
 182                       while(SDL_PollEvent(&event) && !done)
 183                         {
 184                           switch(event.type)
 185                             {
 186                             case SDL_QUIT:
 187                               done = 1;
 188                               quit = 1;
 189                               break;
 190                             case SDL_KEYDOWN:           // key pressed
 191                               /* Keypress... */
 192
 193                               key = event.key.keysym.sym;
 194
 195                               if(key == SDLK_LEFT)
 196                                 {
 197                                   if(i > 0)
 198                                     {
 199                                       --i;
 200                                       subset.free();
 201                                       subset.load(level_subsets.item[i]);
 202                                     }
 203                                 }
 204                               else if(key == SDLK_RIGHT)
 205                                 {
 206                                   if(i < level_subsets.num_items -1)
 207                                     {
 208                                       ++i;
 209                                       subset.free();
 210                                       subset.load(level_subsets.item[i]);
 211                                     }
 212                                 }
 213                               else if(key == SDLK_SPACE || key == SDLK_RETURN)
 214                                 {
 215                                   done = true;
 216                                   quit = gameloop(subset.name.c_str(),1,ST_GL_PLAY);
 217                                   subset.free();
 218                                 }
 219                               else if(key == SDLK_ESCAPE)
 220                                 {
 221                                   done = true;
 222                                 }
 223                               break;
 224                             default:
 225                               break;
 226                             }
 227                         }
 228                     }
 229                 }
 230               break;
 231             case 3:
 232               update_load_save_game_menu(load_game_menu, true);
 233               break;
 234             case 5:
 235               done = 1;
 236               quit = leveleditor(1);
 237               break;
 238             case 6:
 239               display_credits();
 240               break;
 241             case 8:
 242               quit = 1;
 243               break;
 244             }
 245         }
 246       else if(current_menu == options_menu)
 247         {
 248           process_options_menu();
 249         }
 250       else if(current_menu == load_game_menu)
 251         {
 252           process_save_load_game_menu(false);
 253         }
 254
 255       flipscreen();
 256
 257       /* Pause: */
 258       frame++;
 259       SDL_Delay(50);
 260
 261     }
 262   /* Free surfaces: */
 263
 264   texture_free(&bkg_title);
 265   texture_free(&anim1);
 266   texture_free(&anim2);
 267   string_list_free(&level_subsets);
 268
 269   /* Return to main! */
 270
 271   return(quit);
 272 }
 273
 274 #define MAX_VEL 10
 275 #define SPEED   1
 276 #define SCROLL  60
 277
 278 void display_credits()
 279 {
 280   int done;
 281   int scroll, speed;
 282   timer_type timer;
 283   int n,d;
 284   int length;
 285   FILE* fi;
 286   char temp[1024];
 287   string_list_type names;
 288   char filename[1024];
 289   string_list_init(&names);
 290   sprintf(filename,"%s/CREDITS", datadir.c_str());
 291   if((fi = fopen(filename,"r")) != NULL)
 292     {
 293       while(fgets(temp, sizeof(temp), fi) != NULL)
 294         {
 295           temp[strlen(temp)-1]='\0';
 296           string_list_add_item(&names,temp);
 297         }
 298       fclose(fi);
 299     }
 300   else
 301     {
 302       string_list_add_item(&names,"Credits were not found!");
 303       string_list_add_item(&names,"Shame on the guy, who");
 304       string_list_add_item(&names,"forgot to include them");
 305       string_list_add_item(&names,"in your SuperTux distribution.");
 306     }
 307
 308
 309   timer_init(&timer, SDL_GetTicks());
 310   timer_start(&timer, 50);
 311
 312   scroll = 0;
 313   speed = 2;
 314   done = 0;
 315
 316   n = d = 0;
 317
 318   length = names.num_items;
 319
 320   SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
 321
 322   while(done == 0)
 323     {
 324       /* in case of input, exit */
 325       while(SDL_PollEvent(&event))
 326         switch(event.type)
 327           {
 328           case SDL_KEYDOWN:
 329             switch(event.key.keysym.sym)
 330               {
 331               case SDLK_UP:
 332                 speed -= SPEED;
 333                 break;
 334               case SDLK_DOWN:
 335                 speed += SPEED;
 336                 break;
 337               case SDLK_SPACE:
 338               case SDLK_RETURN:
 339                 if(speed >= 0)
 340                   scroll += SCROLL;
 341                 break;
 342               case SDLK_ESCAPE:
 343                 done = 1;
 344                 break;
 345               default:
 346                 break;
 347               }
 348             break;
 349           case SDL_QUIT:
 350             done = 1;
 351             break;
 352           default:
 353             break;
 354           }
 355
 356       if(speed > MAX_VEL)
 357         speed = MAX_VEL;
 358       else if(speed < -MAX_VEL)
 359         speed = -MAX_VEL;
 360
 361       /* draw the credits */
 362
 363       draw_background();
 364
 365       text_drawf(&white_big_text, "- Credits -", 0, screen->h-scroll, A_HMIDDLE, A_TOP, 2);
 366
 367       for(i = 0, n = 0, d = 0; i < length; i++,n++,d++)
 368         {
 369           if(names.item[i] == "")
 370             n--;
 371           else
 372             {
 373               if(names.item[i][0] == ' ')
 374                 text_drawf(&white_small_text, names.item[i], 0, 60+screen->h+(n*18)+(d*18)-scroll-10, A_HMIDDLE, A_TOP, 1);
 375               else if(names.item[i][0] == '     ')
 376                 text_drawf(&white_text, names.item[i], 0, 60+screen->h+(n*18)+(d*18)-scroll, A_HMIDDLE, A_TOP, 1);
 377               else if(names.item[i+1][0] == '-' || names.item[i][0] == '-')
 378                 text_drawf(&white_big_text, names.item[i], 0, 60+screen->h+(n*18)+(d*18)-scroll, A_HMIDDLE, A_TOP, 3);
 379               else
 380                 text_drawf(&blue_text, names.item[i], 0, 60+screen->h+(n*18)+(d*18)-scroll, A_HMIDDLE, A_TOP, 1);
 381             }
 382         }
 383
 384
 385       texture_draw_part(&bkg_title, 0, 0, 0, 0, 640, 130);
 386
 387       flipscreen();
 388
 389       if(60+screen->h+(n*18)+(d*18)-scroll < 0 && 20+60+screen->h+(n*18)+(d*18)-scroll < 0)
 390         done = 1;
 391
 392       scroll += speed;
 393       if(scroll < 0)
 394         scroll = 0;
 395
 396       SDL_Delay(35);
 397
 398       if(timer_get_left(&timer) < 0)
 399         {
 400           frame++;
 401           timer_start(&timer, 50);
 402         }
 403     }
 404   string_list_free(&names);
 405
 406   SDL_EnableKeyRepeat(0, 0);    // disables key repeating
 407   show_menu = 1;
 408   Menu::set_current(main_menu);
 409 }