src/title.cpp

   1 //  $Id$
   2 //
   3 //  SuperTux
   4 //  Copyright (C) 2000 Bill Kendrick <bill@newbreedsoftware.com>
   5 //  Copyright (C) 2004 Tobias Glaesser <tobi.web@gmx.de>
   6 //
   7 //  This program is free software; you can redistribute it and/or
   8 //  modify it under the terms of the GNU General Public License
   9 //  as published by the Free Software Foundation; either version 2
  10 //  of the License, or (at your option) any later version.
  11 //
  12 //  This program is distributed in the hope that it will be useful,
  13 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 //  GNU General Public License for more details.
  16 //
  17 //  You should have received a copy of the GNU General Public License
  18 //  along with this program; if not, write to the Free Software
  19 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  20 //  02111-1307, USA.
  21
  22 #include <iostream>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <errno.h>
  27 #include <unistd.h>
  28 #include <SDL.h>
  29 #include <SDL_image.h>
  30
  31 #ifndef WIN32
  32 #include <sys/types.h>
  33 #include <ctype.h>
  34 #endif
  35
  36 #include "defines.h"
  37 #include "globals.h"
  38 #include "title.h"
  39 #include "screen/screen.h"
  40 #include "screen/texture.h"
  41 #include "high_scores.h"
  42 #include "menu.h"
  43 #include "timer.h"
  44 #include "setup.h"
  45 #include "level.h"
  46 #include "gameloop.h"
  47 #include "leveleditor.h"
  48 #include "scene.h"
  49 #include "player.h"
  50 #include "math.h"
  51 #include "tile.h"
  52 #include "sector.h"
  53 #include "tilemap.h"
  54 #include "resources.h"
  55 #include "gettext.h"
  56
  57 static Surface* bkg_title;
  58 static Surface* logo;
  59 static Surface* img_choose_subset;
  60
  61 static bool walking;
  62 static Timer random_timer;
  63
  64 static int frame;
  65 static unsigned int last_update_time;
  66 static unsigned int update_time;
  67
  68 static GameSession* titlesession;
  69
  70 static std::vector<LevelSubset*> contrib_subsets;
  71 static LevelSubset* current_contrib_subset = 0;
  72
  73 static LevelEditor* leveleditor;
  74
  75 void free_contrib_menu()
  76 {
  77   for(std::vector<LevelSubset*>::iterator i = contrib_subsets.begin();
  78       i != contrib_subsets.end(); ++i)
  79     delete *i;
  80
  81   contrib_subsets.clear();
  82   contrib_menu->clear();
  83 }
  84
  85 void generate_contrib_menu()
  86 {
  87   string_list_type level_subsets = dsubdirs("/levels", "info");
  88
  89   free_contrib_menu();
  90
  91   contrib_menu->additem(MN_LABEL,_("Contrib Levels"),0,0);
  92   contrib_menu->additem(MN_HL,"",0,0);
  93
  94   for (int i = 0; i < level_subsets.num_items; ++i)
  95     {
  96       LevelSubset* subset = new LevelSubset();
  97       subset->load(level_subsets.item[i]);
  98       contrib_menu->additem(MN_GOTO, subset->title.c_str(), i,
  99           contrib_subset_menu, i+1);
 100       contrib_subsets.push_back(subset);
 101     }
 102
 103   contrib_menu->additem(MN_HL,"",0,0);
 104   contrib_menu->additem(MN_BACK,_("Back"),0,0);
 105
 106   string_list_free(&level_subsets);
 107 }
 108
 109 void check_contrib_menu()
 110 {
 111   static int current_subset = -1;
 112
 113   int index = contrib_menu->check();
 114   if (index != -1)
 115     {
 116       index -= 1;
 117       if (index >= 0 && index <= int(contrib_subsets.size()))
 118         {
 119           if (current_subset != index)
 120             {
 121               current_subset = index;
 122               // FIXME: This shouln't be busy looping
 123               LevelSubset& subset = * (contrib_subsets[index]);
 124
 125               current_contrib_subset = &subset;
 126
 127               contrib_subset_menu->clear();
 128
 129               contrib_subset_menu->additem(MN_LABEL, subset.title, 0,0);
 130               contrib_subset_menu->additem(MN_HL,"",0,0);
 131
 132               for (int i = 1; i <= subset.levels; ++i)
 133                 {
 134                   Level* level = new Level;
 135                   level->load(subset.get_level_filename(i));
 136                   contrib_subset_menu->additem(MN_ACTION, level->get_name(), 0, 0, i);
 137                   delete level;
 138                 }
 139
 140               contrib_subset_menu->additem(MN_HL,"",0,0);
 141               contrib_subset_menu->additem(MN_BACK, _("Back"), 0, 0);
 142
 143               titlesession->get_current_sector()->activate();
 144               titlesession->set_current();
 145             }
 146         }
 147       else
 148         {
 149           // Back button
 150         }
 151     }
 152 }
 153
 154 void check_contrib_subset_menu()
 155 {
 156   int index = contrib_subset_menu->check();
 157   if (index != -1)
 158     {
 159       if (contrib_subset_menu->get_item_by_id(index).kind == MN_ACTION)
 160         {
 161           std::cout << "Starting level: " << index << std::endl;
 162
 163           GameSession session(
 164               current_contrib_subset->get_level_filename(index), ST_GL_PLAY);
 165           session.run();
 166           player_status.reset();
 167           Menu::set_current(main_menu);
 168           titlesession->get_current_sector()->activate();
 169           titlesession->set_current();
 170         }
 171     }
 172 }
 173
 174 void draw_demo(double frame_ratio)
 175 {
 176   Sector* world  = titlesession->get_current_sector();
 177   Player* tux = world->player;
 178
 179   world->play_music(LEVEL_MUSIC);
 180
 181   global_frame_counter++;
 182   tux->key_event((SDLKey) keymap.right,DOWN);
 183
 184   if(random_timer.check())
 185     {
 186       if(walking)
 187         tux->key_event((SDLKey) keymap.jump,UP);
 188       else
 189         tux->key_event((SDLKey) keymap.jump,DOWN);
 190     }
 191   else
 192     {
 193       random_timer.start(rand() % 3000 + 3000);
 194       walking = !walking;
 195     }
 196
 197   // Wrap around at the end of the level back to the beginnig
 198   if(world->solids->get_width() * 32 - 320 < tux->base.x)
 199     {
 200       tux->level_begin();
 201     }
 202
 203   tux->can_jump = true;
 204   float last_tux_x_pos = tux->base.x;
 205   world->action(frame_ratio);
 206
 207
 208   // disabled for now, since with the new jump code we easily get deadlocks
 209   // Jump if tux stays in the same position for one loop, ie. if he is
 210   // stuck behind a wall
 211   if (last_tux_x_pos == tux->base.x)
 212     {
 213       walking = false;
 214     }
 215
 216   world->draw(*titlesession->context);
 217 }
 218
 219 /* --- TITLE SCREEN --- */
 220 void title(void)
 221 {
 222   random_timer.init(true);
 223
 224   walking = true;
 225
 226   st_pause_ticks_init();
 227
 228   titlesession = new GameSession(datadir + "/levels/misc/menu.stl", ST_GL_DEMO_GAME);
 229
 230   /* Load images: */
 231   bkg_title = new Surface(datadir + "/images/background/arctis.jpg", IGNORE_ALPHA);
 232   logo = new Surface(datadir + "/images/title/logo.png", USE_ALPHA);
 233   img_choose_subset = new Surface(datadir + "/images/status/choose-level-subset.png", USE_ALPHA);
 234
 235   /* --- Main title loop: --- */
 236   frame = 0;
 237
 238   update_time = st_get_ticks();
 239   random_timer.start(rand() % 2000 + 2000);
 240
 241   Menu::set_current(main_menu);
 242   DrawingContext& context = *titlesession->context;
 243   while (Menu::current())
 244     {
 245       // if we spent to much time on a menu entry
 246       if( (update_time - last_update_time) > 1000)
 247         update_time = last_update_time = st_get_ticks();
 248
 249       // Calculate the movement-factor
 250       double frame_ratio = ((double)(update_time-last_update_time))/((double)FRAME_RATE);
 251       if(frame_ratio > 1.5) /* Quick hack to correct the unprecise CPU clocks a little bit. */
 252         frame_ratio = 1.5 + (frame_ratio - 1.5) * 0.85;
 253       /* Lower the frame_ratio that Tux doesn't jump to hectically throught the demo. */
 254       frame_ratio /= 2;
 255
 256       SDL_Event event;
 257       while (SDL_PollEvent(&event))
 258         {
 259           if (Menu::current())
 260             {
 261               Menu::current()->event(event);
 262             }
 263          // FIXME: QUIT signal should be handled more generic, not locally
 264           if (event.type == SDL_QUIT)
 265             Menu::set_current(0);
 266         }
 267
 268       /* Draw the background: */
 269       draw_demo(frame_ratio);
 270
 271       if (Menu::current() == main_menu)
 272         context.draw_surface(logo, Vector(screen->w/2 - logo->w/2, 30),
 273             LAYER_FOREGROUND1+1);
 274
 275       context.draw_text(white_small_text, " SuperTux " VERSION "\n", Vector(0, screen->h - 70), LAYER_FOREGROUND1);
 276       context.draw_text(white_small_text,
 277         _("Copyright (c) 2003 SuperTux Devel Team\n"
 278           "This game comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
 279           "are welcome to redistribute it under certain conditions; see the file COPYING\n"
 280           "for details.\n"), Vector(0, screen->h - 70 + white_small_text->get_height()), LAYER_FOREGROUND1);
 281
 282       /* Don't draw menu, if quit is true */
 283       Menu* menu = Menu::current();
 284       if(menu)
 285         {
 286           menu->draw(context);
 287           menu->action();
 288
 289           if(menu == main_menu)
 290             {
 291               switch (main_menu->check())
 292                 {
 293                 case MNID_STARTGAME:
 294                   // Start Game, ie. goto the slots menu
 295                   update_load_save_game_menu(load_game_menu);
 296                   break;
 297                 case MNID_CONTRIB:
 298                   // Contrib Menu
 299                   puts("Entering contrib menu");
 300                   generate_contrib_menu();
 301                   break;
 302                 case MNID_LEVELEDITOR:
 303                   leveleditor = new LevelEditor();
 304                   leveleditor->run();
 305                   delete leveleditor;
 306                   Menu::set_current(main_menu);
 307                   break;
 308                 case MNID_CREDITS:
 309                   display_text_file("CREDITS", bkg_title, SCROLL_SPEED_CREDITS);
 310                   Menu::set_current(main_menu);
 311                   break;
 312                 case MNID_QUITMAINMENU:
 313                   Menu::set_current(0);
 314                   break;
 315                 }
 316             }
 317           else if(menu == options_menu)
 318             {
 319               process_options_menu();
 320             }
 321           else if(menu == load_game_menu)
 322             {
 323               if(event.key.keysym.sym == SDLK_DELETE)
 324                 {
 325                 int slot = menu->get_active_item_id();
 326                 char str[1024];
 327                 sprintf(str,_("Are you sure you want to delete slot %d?"), slot);
 328
 329                 if(confirm_dialog(bkg_title, str))
 330                   {
 331                   sprintf(str,"%s/slot%d.stsg", st_save_dir, slot);
 332                   printf("Removing: %s\n",str);
 333                   remove(str);
 334                   }
 335
 336                 update_load_save_game_menu(load_game_menu);
 337                 Menu::set_current(main_menu);
 338                 update_time = st_get_ticks();
 339                 }
 340               else if (process_load_game_menu())
 341                 {
 342                   // FIXME: shouldn't be needed if GameSession doesn't relay on global variables
 343                   titlesession->get_current_sector()->activate();
 344                   titlesession->set_current();
 345                   //titletux.level_begin();
 346                   update_time = st_get_ticks();
 347                 }
 348             }
 349           else if(menu == contrib_menu)
 350             {
 351               check_contrib_menu();
 352             }
 353           else if (menu == contrib_subset_menu)
 354             {
 355               check_contrib_subset_menu();
 356             }
 357         }
 358
 359       mouse_cursor->draw(context);
 360
 361       context.do_drawing();
 362
 363       /* Set the time of the last update and the time of the current update */
 364       last_update_time = update_time;
 365       update_time = st_get_ticks();
 366
 367       /* Pause: */
 368       frame++;
 369       SDL_Delay(25);
 370     }
 371   /* Free surfaces: */
 372
 373   free_contrib_menu();
 374   delete titlesession;
 375   delete bkg_title;
 376   delete logo;
 377   delete img_choose_subset;
 378 }
 379
 380 // EOF //
 381