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 /* --- TITLE SCREEN --- */
  41
  42 int title(void)
  43 {
  44   texture_type title, img_choose_subset, anim1, anim2;
  45   SDL_Event event;
  46   SDLKey key;
  47   int done, quit, frame, pict, i;
  48   char str[80];
  49   char **level_subsets;
  50   level_subsets = NULL;
  51   int subsets_num;
  52   level_subsets = dsubdirs("/levels", "info", &subsets_num);
  53   st_subset subset;
  54   subset_init(&subset);
  55
  56   /* Rest menu variables */
  57   menu_reset();
  58   menu_set_current(&main_menu);
  59
  60   clearscreen(0, 0, 0);
  61   updatescreen();
  62
  63   /* Load images: */
  64
  65   texture_load(&title,DATA_PREFIX "/images/title/title.png", IGNORE_ALPHA);
  66   texture_load(&anim1,DATA_PREFIX "/images/title/title-anim2.png", IGNORE_ALPHA);
  67   texture_load(&anim2,DATA_PREFIX "/images/title/title-anim1.png", IGNORE_ALPHA);
  68   texture_load(&img_choose_subset,DATA_PREFIX "/images/status/choose-level-subset.png", IGNORE_ALPHA);
  69
  70   /* --- Main title loop: --- */
  71
  72   done = 0;
  73   quit = 0;
  74   show_menu = 1;
  75   frame = 0;
  76
  77   /* Draw the title background: */
  78   texture_draw_bg(&title, NO_UPDATE);
  79
  80   /* Draw the high score: */
  81   load_hs();
  82   sprintf(str, "High score: %d", hs_score);
  83   text_drawf(&gold_text, str, 0, -40, A_HMIDDLE, A_BOTTOM, 1, NO_UPDATE);
  84   sprintf(str, "by %s", hs_name);
  85   text_drawf(&gold_text, str, 0, -20, A_HMIDDLE, A_BOTTOM, 1, NO_UPDATE);
  86
  87   while (!done && !quit)
  88     {
  89       frame++;
  90       /* Handle events: */
  91
  92       while (SDL_PollEvent(&event))
  93         {
  94           if (event.type == SDL_QUIT)
  95             {
  96               /* Quit event - quit: */
  97               quit = 1;
  98             }
  99           else if (event.type == SDL_KEYDOWN)
 100             {
 101               /* Keypress... */
 102
 103               key = event.key.keysym.sym;
 104
 105               /* Check for menu events */
 106               menu_event(&event.key.keysym);
 107
 108               if (key == SDLK_ESCAPE)
 109                 {
 110                   /* Escape: Quit: */
 111
 112                   quit = 1;
 113                 }
 114             }
 115 #ifdef JOY_YES
 116           else if (event.type == SDL_JOYAXISMOTION && event.jaxis.axis == JOY_Y)
 117             {
 118               if (event.jaxis.value > 1024)
 119                 menuaction = MN_DOWN;
 120               else if (event.jaxis.value < -1024)
 121                 menuaction = MN_UP;
 122             }
 123           else if (event.type == SDL_JOYBUTTONDOWN)
 124             {
 125               /* Joystick button: Continue: */
 126
 127               menuaction = MN_HIT;
 128             }
 129 #endif
 130
 131         }
 132
 133       /* Draw the title background: */
 134
 135       texture_draw_bg(&title, NO_UPDATE);
 136
 137       /* Draw the high score: */
 138       sprintf(str, "High score: %d", hs_score);
 139       text_drawf(&gold_text, str, 0, -40, A_HMIDDLE, A_BOTTOM, 1, NO_UPDATE);
 140       sprintf(str, "by %s", hs_name);
 141       text_drawf(&gold_text, str, 0, -20, A_HMIDDLE, A_BOTTOM, 1, NO_UPDATE);
 142
 143       /* Don't draw menu, if quit is true */
 144       if(show_menu && !quit)
 145         menu_process_current();
 146
 147       if(current_menu == &main_menu)
 148         {
 149           switch (menu_check(&main_menu))
 150             {
 151             case 0:
 152               done = 0;
 153               i = 0;
 154               subset_load(&subset,level_subsets[0]);
 155               while(!done)
 156                 {
 157                   texture_draw(&img_choose_subset, 50, 0, NO_UPDATE);
 158                   if(subsets_num != 0)
 159                     {
 160                       texture_draw(&subset.image,135,78,NO_UPDATE);
 161                       text_drawf(&gold_text, subset.title, 0, 20, A_HMIDDLE, A_TOP, 1, NO_UPDATE);
 162                     }
 163                   updatescreen();
 164                   SDL_Delay(50);
 165                   while(SDL_PollEvent(&event) && !done)
 166                     {
 167                       switch(event.type)
 168                         {
 169                         case SDL_QUIT:
 170                           done = 1;
 171                           quit = 1;
 172                         case SDL_KEYDOWN:               // key pressed
 173                           /* Keypress... */
 174
 175                           key = event.key.keysym.sym;
 176
 177                           if(key == SDLK_LEFT)
 178                             {
 179                               if(i > 0)
 180                                 {
 181                                   --i;
 182                                   subset_free(&subset);
 183                                   subset_load(&subset,level_subsets[i]);
 184                                 }
 185                             }
 186                           else if(key == SDLK_RIGHT)
 187                             {
 188                               if(i < subsets_num -1)
 189                                 {
 190                                   ++i;
 191                                   subset_free(&subset);
 192                                   subset_load(&subset,level_subsets[i]);
 193                                 }
 194                             }
 195                           else if(key == SDLK_SPACE || key == SDLK_RETURN)
 196                             {
 197                               done = YES;
 198                               quit = gameloop(subset.name,1,ST_GL_PLAY);
 199                               subset_free(&subset);
 200                             }
 201                           else if(key == SDLK_ESCAPE)
 202                             {
 203                               done = YES;
 204                             }
 205                           break;
 206                         default:
 207                           break;
 208                         }
 209                     }
 210                 }
 211               break;
 212             case 3:
 213               done = 1;
 214               quit = leveleditor(1);
 215               break;
 216             case 4:
 217               quit = 1;
 218               break;
 219             }
 220         }
 221       else if(current_menu == &options_menu)
 222         {
 223           process_options_menu();
 224         }
 225       /* Animate title screen: */
 226
 227       pict = (frame / 5) % 3;
 228
 229       if (pict == 0)
 230         texture_draw_part(&title, 560, 270, 560, 270, 80, 75, NO_UPDATE);
 231       else if (pict == 1)
 232         texture_draw(&anim1, 560, 270, NO_UPDATE);
 233       else if (pict == 2)
 234         texture_draw(&anim2, 560, 270, NO_UPDATE);
 235
 236       flipscreen();
 237
 238       /* Pause: */
 239
 240       SDL_Delay(50);
 241
 242     }
 243   /* Free surfaces: */
 244
 245   texture_free(&title);
 246   texture_free(&anim1);
 247   texture_free(&anim2);
 248   free_strings(level_subsets,subsets_num);
 249
 250   /* Return to main! */
 251
 252   return(quit);
 253 }