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, NO_UPDATE);
  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, NO_UPDATE);
  58   else if (pict == 1)
  59     texture_draw(&anim1, 560, 270, NO_UPDATE);
  60   else if (pict == 2)
  61     texture_draw(&anim2, 560, 270, NO_UPDATE);
  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, NO_UPDATE);
  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 #ifdef JOY_YES
 128           else if (event.type == SDL_JOYAXISMOTION && event.jaxis.axis == JOY_Y)
 129             {
 130               if (event.jaxis.value > 1024)
 131                 menuaction = MN_DOWN;
 132               else if (event.jaxis.value < -1024)
 133                 menuaction = MN_UP;
 134             }
 135           else if (event.type == SDL_JOYBUTTONDOWN)
 136             {
 137               /* Joystick button: Continue: */
 138
 139               menuaction = MN_HIT;
 140             }
 141 #endif
 142
 143         }
 144
 145       /* Draw the background: */
 146       draw_background();
 147
 148       /* Draw the high score: */
 149       sprintf(str, "High score: %d", hs_score);
 150       text_drawf(&gold_text, str, 0, -40, A_HMIDDLE, A_BOTTOM, 1, NO_UPDATE);
 151       sprintf(str, "by %s", hs_name);
 152       text_drawf(&gold_text, str, 0, -20, A_HMIDDLE, A_BOTTOM, 1, NO_UPDATE);
 153
 154       /* Don't draw menu, if quit is true */
 155       if(show_menu && !quit)
 156         menu_process_current();
 157
 158       if(current_menu == &main_menu)
 159         {
 160           switch (menu_check(&main_menu))
 161             {
 162             case 2:
 163               done = 0;
 164               i = 0;
 165               if(level_subsets.num_items != 0)
 166                 {
 167                   subset.load(level_subsets.item[0]);
 168                   while(!done)
 169                     {
 170                       texture_draw(&img_choose_subset,(screen->w - img_choose_subset.w) / 2, 0, NO_UPDATE);
 171                       if(level_subsets.num_items != 0)
 172                         {
 173                           texture_draw(&subset.image,(screen->w - subset.image.w) / 2 + 25,78,NO_UPDATE);
 174                           if(level_subsets.num_items > 1)
 175                             {
 176                               if(i > 0)
 177                                 texture_draw(&arrow_left,(screen->w / 2) - ((subset.title.length()+2)*16)/2,20,NO_UPDATE);
 178                               if(i < level_subsets.num_items-1)
 179                                 texture_draw(&arrow_right,(screen->w / 2) + ((subset.description.length())*16)/2,20,NO_UPDATE);
 180                             }
 181                           text_drawf(&gold_text, subset.title.c_str(), 0, 20, A_HMIDDLE, A_TOP, 1, NO_UPDATE);
 182                           text_drawf(&gold_text, subset.description.c_str(), 20, -20, A_HMIDDLE, A_BOTTOM, 1, NO_UPDATE);
 183                         }
 184                       updatescreen();
 185                       SDL_Delay(50);
 186                       while(SDL_PollEvent(&event) && !done)
 187                         {
 188                           switch(event.type)
 189                             {
 190                             case SDL_QUIT:
 191                               done = 1;
 192                               quit = 1;
 193                               break;
 194                             case SDL_KEYDOWN:           // key pressed
 195                               /* Keypress... */
 196
 197                               key = event.key.keysym.sym;
 198
 199                               if(key == SDLK_LEFT)
 200                                 {
 201                                   if(i > 0)
 202                                     {
 203                                       --i;
 204                                       subset.free();
 205                                       subset.load(level_subsets.item[i]);
 206                                     }
 207                                 }
 208                               else if(key == SDLK_RIGHT)
 209                                 {
 210                                   if(i < level_subsets.num_items -1)
 211                                     {
 212                                       ++i;
 213                                       subset.free();
 214                                       subset.load(level_subsets.item[i]);
 215                                     }
 216                                 }
 217                               else if(key == SDLK_SPACE || key == SDLK_RETURN)
 218                                 {
 219                                   done = YES;
 220                                   quit = gameloop(subset.name.c_str(),1,ST_GL_PLAY);
 221                                   subset.free();
 222                                 }
 223                               else if(key == SDLK_ESCAPE)
 224                                 {
 225                                   done = YES;
 226                                 }
 227                               break;
 228                             default:
 229                               break;
 230                             }
 231                         }
 232                     }
 233                 }
 234               break;
 235             case 3:
 236               update_load_save_game_menu(&load_game_menu, YES);
 237               break;
 238             case 5:
 239               done = 1;
 240               quit = leveleditor(1);
 241               break;
 242             case 6:
 243               display_credits();
 244               break;
 245             case 8:
 246               quit = 1;
 247               break;
 248             }
 249         }
 250       else if(current_menu == &options_menu)
 251         {
 252           process_options_menu();
 253         }
 254       else if(current_menu == &load_game_menu)
 255         {
 256           process_save_load_game_menu(NO);
 257         }
 258
 259       flipscreen();
 260
 261       /* Pause: */
 262       frame++;
 263       SDL_Delay(50);
 264
 265     }
 266   /* Free surfaces: */
 267
 268   texture_free(&bkg_title);
 269   texture_free(&anim1);
 270   texture_free(&anim2);
 271   string_list_free(&level_subsets);
 272
 273   /* Return to main! */
 274
 275   return(quit);
 276 }
 277
 278 #define MAX_VEL 10
 279 #define SPEED   1
 280 #define SCROLL  60
 281
 282 void display_credits()
 283 {
 284   int done;
 285   int scroll, speed;
 286   timer_type timer;
 287   int n,d;
 288   int length;
 289   FILE* fi;
 290   char temp[1024];
 291   string_list_type names;
 292   char filename[1024];
 293   string_list_init(&names);
 294   sprintf(filename,"%s/CREDITS", datadir.c_str());
 295   if((fi = fopen(filename,"r")) != NULL)
 296     {
 297       while(fgets(temp, sizeof(temp), fi) != NULL)
 298         {
 299           temp[strlen(temp)-1]='\0';
 300           string_list_add_item(&names,temp);
 301         }
 302       fclose(fi);
 303     }
 304   else
 305     {
 306       string_list_add_item(&names,"Credits were not found!");
 307       string_list_add_item(&names,"Shame on the guy, who");
 308       string_list_add_item(&names,"forgot to include them");
 309       string_list_add_item(&names,"in your SuperTux distribution.");
 310     }
 311
 312
 313   timer_init(&timer, SDL_GetTicks());
 314   timer_start(&timer, 50);
 315
 316   scroll = 0;
 317   speed = 2;
 318   done = 0;
 319
 320   n = d = 0;
 321
 322   length = names.num_items;
 323
 324   SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
 325
 326   while(done == 0)
 327     {
 328       /* in case of input, exit */
 329       while(SDL_PollEvent(&event))
 330         switch(event.type)
 331           {
 332           case SDL_KEYDOWN:
 333             switch(event.key.keysym.sym)
 334               {
 335               case SDLK_UP:
 336                 speed -= SPEED;
 337                 break;
 338               case SDLK_DOWN:
 339                 speed += SPEED;
 340                 break;
 341               case SDLK_SPACE:
 342               case SDLK_RETURN:
 343                 if(speed >= 0)
 344                   scroll += SCROLL;
 345                 break;
 346               case SDLK_ESCAPE:
 347                 done = 1;
 348                 break;
 349               default:
 350                 break;
 351               }
 352             break;
 353           case SDL_QUIT:
 354             done = 1;
 355             break;
 356           default:
 357             break;
 358           }
 359
 360       if(speed > MAX_VEL)
 361         speed = MAX_VEL;
 362       else if(speed < -MAX_VEL)
 363         speed = -MAX_VEL;
 364
 365       /* draw the credits */
 366
 367       draw_background();
 368
 369       text_drawf(&white_big_text, "- Credits -", 0, screen->h-scroll, A_HMIDDLE, A_TOP, 2, NO_UPDATE);
 370
 371       for(i = 0, n = 0, d = 0; i < length; i++,n++,d++)
 372         {
 373           if(names.item[i] == "")
 374             n--;
 375           else
 376             {
 377               if(names.item[i][0] == ' ')
 378                 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);
 379               else if(names.item[i][0] == '     ')
 380                 text_drawf(&white_text, names.item[i], 0, 60+screen->h+(n*18)+(d*18)-scroll, A_HMIDDLE, A_TOP, 1, NO_UPDATE);
 381               else if(names.item[i+1][0] == '-' || names.item[i][0] == '-')
 382                 text_drawf(&white_big_text, names.item[i], 0, 60+screen->h+(n*18)+(d*18)-scroll, A_HMIDDLE, A_TOP, 3, NO_UPDATE);
 383               else
 384                 text_drawf(&blue_text, names.item[i], 0, 60+screen->h+(n*18)+(d*18)-scroll, A_HMIDDLE, A_TOP, 1, NO_UPDATE);
 385             }
 386         }
 387
 388
 389       texture_draw_part(&bkg_title, 0, 0, 0, 0, 640, 130, NO_UPDATE);
 390
 391       flipscreen();
 392
 393       if(60+screen->h+(n*18)+(d*18)-scroll < 0 && 20+60+screen->h+(n*18)+(d*18)-scroll < 0)
 394         done = 1;
 395
 396       scroll += speed;
 397       if(scroll < 0)
 398         scroll = 0;
 399
 400       SDL_Delay(35);
 401
 402       if(timer_get_left(&timer) < 0)
 403         {
 404           frame++;
 405           timer_start(&timer, 50);
 406         }
 407     }
 408   string_list_free(&names);
 409
 410   SDL_EnableKeyRepeat(0, 0);    // disables key repeating
 411   show_menu = 1;
 412   menu_set_current(&main_menu);
 413 }