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