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 <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   /* Reset menu variables */
  76   menu_reset();
  77   menu_set_current(&main_menu);
  78
  79   clearscreen(0, 0, 0);
  80   updatescreen();
  81
  82   /* Load images: */
  83
  84   texture_load(&bkg_title,datadir + "/images/title/title.png", IGNORE_ALPHA);
  85   texture_load(&anim1,datadir + "/images/title/title-anim2.png", IGNORE_ALPHA);
  86   texture_load(&anim2,datadir + "/images/title/title-anim1.png", IGNORE_ALPHA);
  87   texture_load(&img_choose_subset,datadir + "/images/status/choose-level-subset.png", USE_ALPHA);
  88
  89   /* --- Main title loop: --- */
  90
  91   done = 0;
  92   quit = 0;
  93   show_menu = 1;
  94   frame = 0;
  95
  96   /* Draw the title background: */
  97   texture_draw_bg(&bkg_title, NO_UPDATE);
  98
  99   load_hs();
 100
 101   while (!done && !quit)
 102     {
 103       /* Handle events: */
 104
 105       while (SDL_PollEvent(&event))
 106         {
 107           if (event.type == SDL_QUIT)
 108             {
 109               /* Quit event - quit: */
 110               quit = 1;
 111             }
 112           else if (event.type == SDL_KEYDOWN)
 113             {
 114               /* Keypress... */
 115
 116               key = event.key.keysym.sym;
 117
 118               /* Check for menu events */
 119               menu_event(&event.key.keysym);
 120
 121               if (key == SDLK_ESCAPE)
 122                 {
 123                   /* Escape: Quit: */
 124
 125                   quit = 1;
 126                 }
 127             }
 128 #ifdef JOY_YES
 129           else if (event.type == SDL_JOYAXISMOTION && event.jaxis.axis == JOY_Y)
 130             {
 131               if (event.jaxis.value > 1024)
 132                 menuaction = MN_DOWN;
 133               else if (event.jaxis.value < -1024)
 134                 menuaction = MN_UP;
 135             }
 136           else if (event.type == SDL_JOYBUTTONDOWN)
 137             {
 138               /* Joystick button: Continue: */
 139
 140               menuaction = MN_HIT;
 141             }
 142 #endif
 143
 144         }
 145
 146       /* Draw the background: */
 147       draw_background();
 148
 149       /* Draw the high score: */
 150       sprintf(str, "High score: %d", hs_score);
 151       text_drawf(&gold_text, str, 0, -40, A_HMIDDLE, A_BOTTOM, 1, NO_UPDATE);
 152       sprintf(str, "by %s", hs_name);
 153       text_drawf(&gold_text, str, 0, -20, A_HMIDDLE, A_BOTTOM, 1, NO_UPDATE);
 154
 155       /* Don't draw menu, if quit is true */
 156       if(show_menu && !quit)
 157         menu_process_current();
 158
 159       if(current_menu == &main_menu)
 160         {
 161           switch (menu_check(&main_menu))
 162             {
 163             case 2:
 164               done = 0;
 165               i = 0;
 166               if(level_subsets.num_items != 0)
 167                 {
 168                   subset.load(level_subsets.item[0]);
 169                   while(!done)
 170                     {
 171                       texture_draw(&img_choose_subset,(screen->w - img_choose_subset.w) / 2, 0, NO_UPDATE);
 172                       if(level_subsets.num_items != 0)
 173                         {
 174                           texture_draw(&subset.image,(screen->w - subset.image.w) / 2 + 25,78,NO_UPDATE);
 175                           if(level_subsets.num_items > 1)
 176                             {
 177                               if(i > 0)
 178                                 texture_draw(&arrow_left,(screen->w / 2) - ((subset.title.length()+2)*16)/2,20,NO_UPDATE);
 179                               if(i < level_subsets.num_items-1)
 180                                 texture_draw(&arrow_right,(screen->w / 2) + ((subset.description.length())*16)/2,20,NO_UPDATE);
 181                             }
 182                           text_drawf(&gold_text, subset.title.c_str(), 0, 20, A_HMIDDLE, A_TOP, 1, NO_UPDATE);
 183                           text_drawf(&gold_text, subset.description.c_str(), 20, -20, A_HMIDDLE, A_BOTTOM, 1, NO_UPDATE);
 184                         }
 185                       updatescreen();
 186                       SDL_Delay(50);
 187                       while(SDL_PollEvent(&event) && !done)
 188                         {
 189                           switch(event.type)
 190                             {
 191                             case SDL_QUIT:
 192                               done = 1;
 193                               quit = 1;
 194                               break;
 195                             case SDL_KEYDOWN:           // key pressed
 196                               /* Keypress... */
 197
 198                               key = event.key.keysym.sym;
 199
 200                               if(key == SDLK_LEFT)
 201                                 {
 202                                   if(i > 0)
 203                                     {
 204                                       --i;
 205                                       subset.free();
 206                                       subset.load(level_subsets.item[i]);
 207                                     }
 208                                 }
 209                               else if(key == SDLK_RIGHT)
 210                                 {
 211                                   if(i < level_subsets.num_items -1)
 212                                     {
 213                                       ++i;
 214                                       subset.free();
 215                                       subset.load(level_subsets.item[i]);
 216                                     }
 217                                 }
 218                               else if(key == SDLK_SPACE || key == SDLK_RETURN)
 219                                 {
 220                                   done = YES;
 221                                   quit = gameloop(subset.name.c_str(),1,ST_GL_PLAY);
 222                                   subset.free();
 223                                 }
 224                               else if(key == SDLK_ESCAPE)
 225                                 {
 226                                   done = YES;
 227                                 }
 228                               break;
 229                             default:
 230                               break;
 231                             }
 232                         }
 233                     }
 234                 }
 235               break;
 236             case 3:
 237               update_load_save_game_menu(&load_game_menu, YES);
 238               break;
 239             case 5:
 240               done = 1;
 241               quit = leveleditor(1);
 242               break;
 243             case 6:
 244               display_credits();
 245               break;
 246             case 8:
 247               quit = 1;
 248               break;
 249             }
 250         }
 251       else if(current_menu == &options_menu)
 252         {
 253           process_options_menu();
 254         }
 255       else if(current_menu == &load_game_menu)
 256         {
 257           process_save_load_game_menu(NO);
 258         }
 259
 260       flipscreen();
 261
 262       /* Pause: */
 263       frame++;
 264       SDL_Delay(50);
 265
 266     }
 267   /* Free surfaces: */
 268
 269   texture_free(&bkg_title);
 270   texture_free(&anim1);
 271   texture_free(&anim2);
 272   string_list_free(&level_subsets);
 273
 274   /* Return to main! */
 275
 276   return(quit);
 277 }
 278
 279 #define MAX_VEL 10
 280 #define SPEED   1
 281 #define SCROLL  60
 282
 283 void display_credits()
 284 {
 285   int done;
 286   int scroll, speed;
 287   timer_type timer;
 288   int n,d;
 289   int length;
 290   FILE* fi;
 291   char temp[1024];
 292   string_list_type names;
 293   char filename[1024];
 294   string_list_init(&names);
 295   sprintf(filename,"%s/CREDITS", datadir.c_str());
 296   if((fi = fopen(filename,"r")) != NULL)
 297     {
 298       while(fgets(temp, sizeof(temp), fi) != NULL)
 299         {
 300           temp[strlen(temp)-1]='\0';
 301           string_list_add_item(&names,temp);
 302         }
 303       fclose(fi);
 304     }
 305   else
 306     {
 307       string_list_add_item(&names,"Credits were not found!");
 308       string_list_add_item(&names,"Shame on the guy, who");
 309       string_list_add_item(&names,"forgot to include them");
 310       string_list_add_item(&names,"in your SuperTux distribution.");
 311     }
 312
 313
 314   timer_init(&timer, SDL_GetTicks());
 315   timer_start(&timer, 50);
 316
 317   scroll = 0;
 318   speed = 2;
 319   done = 0;
 320
 321   n = d = 0;
 322
 323   length = names.num_items;
 324
 325   SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
 326
 327   while(done == 0)
 328     {
 329       /* in case of input, exit */
 330       while(SDL_PollEvent(&event))
 331         switch(event.type)
 332           {
 333           case SDL_KEYDOWN:
 334             switch(event.key.keysym.sym)
 335               {
 336               case SDLK_UP:
 337                 speed -= SPEED;
 338                 break;
 339               case SDLK_DOWN:
 340                 speed += SPEED;
 341                 break;
 342               case SDLK_SPACE:
 343               case SDLK_RETURN:
 344                 if(speed >= 0)
 345                   scroll += SCROLL;
 346                 break;
 347               case SDLK_ESCAPE:
 348                 done = 1;
 349                 break;
 350               default:
 351                 break;
 352               }
 353             break;
 354           case SDL_QUIT:
 355             done = 1;
 356             break;
 357           default:
 358             break;
 359           }
 360
 361       if(speed > MAX_VEL)
 362         speed = MAX_VEL;
 363       else if(speed < -MAX_VEL)
 364         speed = -MAX_VEL;
 365
 366       /* draw the credits */
 367
 368       draw_background();
 369
 370       text_drawf(&white_big_text, "- Credits -", 0, screen->h-scroll, A_HMIDDLE, A_TOP, 2, NO_UPDATE);
 371
 372       for(i = 0, n = 0, d = 0; i < length; i++,n++,d++)
 373         {
 374           if(names.item[i] == "")
 375             n--;
 376           else
 377             {
 378               if(names.item[i][0] == ' ')
 379                 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);
 380               else if(names.item[i][0] == '     ')
 381                 text_drawf(&white_text, names.item[i], 0, 60+screen->h+(n*18)+(d*18)-scroll, A_HMIDDLE, A_TOP, 1, NO_UPDATE);
 382               else if(names.item[i+1][0] == '-' || names.item[i][0] == '-')
 383                 text_drawf(&white_big_text, names.item[i], 0, 60+screen->h+(n*18)+(d*18)-scroll, A_HMIDDLE, A_TOP, 3, NO_UPDATE);
 384               else
 385                 text_drawf(&blue_text, names.item[i], 0, 60+screen->h+(n*18)+(d*18)-scroll, A_HMIDDLE, A_TOP, 1, NO_UPDATE);
 386             }
 387         }
 388
 389
 390       texture_draw_part(&bkg_title, 0, 0, 0, 0, 640, 130, NO_UPDATE);
 391
 392       flipscreen();
 393
 394       if(60+screen->h+(n*18)+(d*18)-scroll < 0 && 20+60+screen->h+(n*18)+(d*18)-scroll < 0)
 395         done = 1;
 396
 397       scroll += speed;
 398       if(scroll < 0)
 399         scroll = 0;
 400
 401       SDL_Delay(35);
 402
 403       if(timer_get_left(&timer) < 0)
 404         {
 405           frame++;
 406           timer_start(&timer, 50);
 407         }
 408     }
 409   string_list_free(&names);
 410
 411   SDL_EnableKeyRepeat(0, 0);    // disables key repeating
 412   show_menu = 1;
 413   menu_set_current(&main_menu);
 414 }