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