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/surface.h"
  41 #include "high_scores.h"
  42 #include "menu.h"
  43 #include "timer.h"
  44 #include "setup.h"
  45 #include "level.h"
  46 #include "level_subset.h"
  47 #include "gameloop.h"
  48 #include "leveleditor.h"
  49 #include "scene.h"
  50 #include "player.h"
  51 #include "math.h"
  52 #include "tile.h"
  53 #include "sector.h"
  54 #include "tilemap.h"
  55 #include "resources.h"
  56 #include "gettext.h"
  57
  58 static Surface* bkg_title;
  59 static Surface* logo;
  60 static Surface* img_choose_subset;
  61
  62 static bool walking;
  63 static Timer random_timer;
  64
  65 static int frame;
  66 static unsigned int last_update_time;
  67 static unsigned int update_time;
  68
  69 static GameSession* titlesession;
  70
  71 static std::vector<LevelSubset*> contrib_subsets;
  72 static LevelSubset* current_contrib_subset = 0;
  73
  74 static LevelEditor* leveleditor;
  75
  76 void free_contrib_menu()
  77 {
  78   for(std::vector<LevelSubset*>::iterator i = contrib_subsets.begin();
  79       i != contrib_subsets.end(); ++i)
  80     delete *i;
  81
  82   contrib_subsets.clear();
  83   contrib_menu->clear();
  84 }
  85
  86 void generate_contrib_menu()
  87 {
  88   string_list_type level_subsets = dsubdirs("/levels", "info");
  89
  90   free_contrib_menu();
  91
  92   contrib_menu->additem(MN_LABEL,_("Contrib Levels"),0,0);
  93   contrib_menu->additem(MN_HL,"",0,0);
  94
  95   for (int i = 0; i < level_subsets.num_items; ++i)
  96     {
  97       LevelSubset* subset = new LevelSubset();
  98       subset->load(level_subsets.item[i]);
  99       contrib_menu->additem(MN_GOTO, subset->title.c_str(), i,
 100           contrib_subset_menu, i+1);
 101       contrib_subsets.push_back(subset);
 102     }
 103
 104   contrib_menu->additem(MN_HL,"",0,0);
 105   contrib_menu->additem(MN_BACK,_("Back"),0,0);
 106
 107   string_list_free(&level_subsets);
 108 }
 109
 110 void check_contrib_menu()
 111 {
 112   static int current_subset = -1;
 113
 114   int index = contrib_menu->check();
 115   if (index != -1)
 116     {
 117       index -= 1;
 118       if (index >= 0 && index <= int(contrib_subsets.size()))
 119         {
 120           if (current_subset != index)
 121             {
 122               current_subset = index;
 123               // FIXME: This shouln't be busy looping
 124               LevelSubset& subset = * (contrib_subsets[index]);
 125
 126               current_contrib_subset = &subset;
 127
 128               contrib_subset_menu->clear();
 129
 130               contrib_subset_menu->additem(MN_LABEL, subset.title, 0,0);
 131               contrib_subset_menu->additem(MN_HL,"",0,0);
 132
 133               for (int i = 0; i < subset.get_num_levels(); ++i)
 134                 {
 135                   Level* level = new Level;
 136                   level->load(subset.get_level_filename(i));
 137                   contrib_subset_menu->additem(MN_ACTION, level->get_name(), 0, 0, i);
 138                   delete level;
 139                 }
 140
 141               contrib_subset_menu->additem(MN_HL,"",0,0);
 142               contrib_subset_menu->additem(MN_BACK, _("Back"), 0, 0);
 143
 144               titlesession->get_current_sector()->activate();
 145               titlesession->set_current();
 146             }
 147         }
 148       else
 149         {
 150           // Back button
 151         }
 152     }
 153 }
 154
 155 void check_contrib_subset_menu()
 156 {
 157   int index = contrib_subset_menu->check();
 158   if (index != -1)
 159     {
 160       if (contrib_subset_menu->get_item_by_id(index).kind == MN_ACTION)
 161         {
 162           std::cout << "Starting level: " << index << std::endl;
 163
 164           GameSession session(
 165               current_contrib_subset->get_level_filename(index), ST_GL_PLAY);
 166           session.run();
 167           player_status.reset();
 168           Menu::set_current(main_menu);
 169           titlesession->get_current_sector()->activate();
 170           titlesession->set_current();
 171         }
 172     }
 173 }
 174
 175 void draw_demo(double frame_ratio)
 176 {
 177   Sector* world  = titlesession->get_current_sector();
 178   Player* tux = world->player;
 179
 180   world->play_music(LEVEL_MUSIC);
 181
 182   global_frame_counter++;
 183   tux->key_event((SDLKey) keymap.right,DOWN);
 184
 185   if(random_timer.check())
 186     {
 187       if(walking)
 188         tux->key_event((SDLKey) keymap.jump,UP);
 189       else
 190         tux->key_event((SDLKey) keymap.jump,DOWN);
 191     }
 192   else
 193     {
 194       random_timer.start(rand() % 3000 + 3000);
 195       walking = !walking;
 196     }
 197
 198   // Wrap around at the end of the level back to the beginnig
 199   if(world->solids->get_width() * 32 - 320 < tux->base.x)
 200     {
 201       tux->level_begin();
 202     }
 203
 204   tux->can_jump = true;
 205   float last_tux_x_pos = tux->base.x;
 206   world->action(frame_ratio);
 207
 208
 209   // disabled for now, since with the new jump code we easily get deadlocks
 210   // Jump if tux stays in the same position for one loop, ie. if he is
 211   // stuck behind a wall
 212   if (last_tux_x_pos == tux->base.x)
 213     {
 214       walking = false;
 215     }
 216
 217   world->draw(*titlesession->context);
 218 }
 219
 220 /* --- TITLE SCREEN --- */
 221 void title(void)
 222 {
 223   random_timer.init(true);
 224
 225   walking = true;
 226
 227   st_pause_ticks_init();
 228
 229   titlesession = new GameSession(datadir + "/levels/misc/menu.stl", ST_GL_DEMO_GAME);
 230
 231   /* Load images: */
 232   bkg_title = new Surface(datadir + "/images/background/arctis.jpg", IGNORE_ALPHA);
 233   logo = new Surface(datadir + "/images/title/logo.png", USE_ALPHA);
 234   img_choose_subset = new Surface(datadir + "/images/status/choose-level-subset.png", USE_ALPHA);
 235
 236   /* --- Main title loop: --- */
 237   frame = 0;
 238
 239   update_time = st_get_ticks();
 240   random_timer.start(rand() % 2000 + 2000);
 241
 242   Menu::set_current(main_menu);
 243   DrawingContext& context = *titlesession->context;
 244   while (Menu::current())
 245     {
 246       // if we spent to much time on a menu entry
 247       if( (update_time - last_update_time) > 1000)
 248         update_time = last_update_time = st_get_ticks();
 249
 250       // Calculate the movement-factor
 251       double frame_ratio = ((double)(update_time-last_update_time))/((double)FRAME_RATE);
 252       if(frame_ratio > 1.5) /* Quick hack to correct the unprecise CPU clocks a little bit. */
 253         frame_ratio = 1.5 + (frame_ratio - 1.5) * 0.85;
 254       /* Lower the frame_ratio that Tux doesn't jump to hectically throught the demo. */
 255       frame_ratio /= 2;
 256
 257       SDL_Event event;
 258       while (SDL_PollEvent(&event))
 259         {
 260           if (Menu::current())
 261             {
 262               Menu::current()->event(event);
 263             }
 264          // FIXME: QUIT signal should be handled more generic, not locally
 265           if (event.type == SDL_QUIT)
 266             Menu::set_current(0);
 267         }
 268
 269       /* Draw the background: */
 270       draw_demo(frame_ratio);
 271
 272       if (Menu::current() == main_menu)
 273         context.draw_surface(logo, Vector(screen->w/2 - logo->w/2, 30),
 274             LAYER_FOREGROUND1+1);
 275
 276       context.draw_text(white_small_text, " SuperTux " VERSION "\n", Vector(0, screen->h - 70), LAYER_FOREGROUND1);
 277       context.draw_text(white_small_text,
 278         _("Copyright (c) 2003 SuperTux Devel Team\n"
 279           "This game comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
 280           "are welcome to redistribute it under certain conditions; see the file COPYING\n"
 281           "for details.\n"), Vector(0, screen->h - 70 + white_small_text->get_height()), LAYER_FOREGROUND1);
 282
 283       /* Don't draw menu, if quit is true */
 284       Menu* menu = Menu::current();
 285       if(menu)
 286         {
 287           menu->draw(context);
 288           menu->action();
 289
 290           if(menu == main_menu)
 291             {
 292               switch (main_menu->check())
 293                 {
 294                 case MNID_STARTGAME:
 295                   // Start Game, ie. goto the slots menu
 296                   update_load_save_game_menu(load_game_menu);
 297                   break;
 298                 case MNID_CONTRIB:
 299                   // Contrib Menu
 300                   puts("Entering contrib menu");
 301                   generate_contrib_menu();
 302                   break;
 303                 case MNID_LEVELEDITOR:
 304                   leveleditor = new LevelEditor();
 305                   leveleditor->run();
 306                   delete leveleditor;
 307                   Menu::set_current(main_menu);
 308                   update_time = st_get_ticks();
 309                   break;
 310                 case MNID_CREDITS:
 311                   display_text_file("CREDITS", bkg_title, SCROLL_SPEED_CREDITS);
 312                   Menu::set_current(main_menu);
 313                   break;
 314                 case MNID_QUITMAINMENU:
 315                   Menu::set_current(0);
 316                   break;
 317                 }
 318             }
 319           else if(menu == options_menu)
 320             {
 321               process_options_menu();
 322             }
 323           else if(menu == load_game_menu)
 324             {
 325               if(event.key.keysym.sym == SDLK_DELETE)
 326                 {
 327                 int slot = menu->get_active_item_id();
 328                 char str[1024];
 329                 sprintf(str,_("Are you sure you want to delete slot %d?"), slot);
 330
 331                 if(confirm_dialog(bkg_title, str))
 332                   {
 333                   sprintf(str,"%s/slot%d.stsg", st_save_dir, slot);
 334                   printf("Removing: %s\n",str);
 335                   remove(str);
 336                   }
 337
 338                 update_load_save_game_menu(load_game_menu);
 339                 Menu::set_current(main_menu);
 340                 update_time = st_get_ticks();
 341                 }
 342               else if (process_load_game_menu())
 343                 {
 344                   // FIXME: shouldn't be needed if GameSession doesn't relay on global variables
 345                   titlesession->get_current_sector()->activate();
 346                   titlesession->set_current();
 347                   //titletux.level_begin();
 348                   update_time = st_get_ticks();
 349                 }
 350             }
 351           else if(menu == contrib_menu)
 352             {
 353               check_contrib_menu();
 354             }
 355           else if (menu == contrib_subset_menu)
 356             {
 357               check_contrib_subset_menu();
 358             }
 359         }
 360
 361       mouse_cursor->draw(context);
 362
 363       context.do_drawing();
 364
 365       /* Set the time of the last update and the time of the current update */
 366       last_update_time = update_time;
 367       update_time = st_get_ticks();
 368
 369       /* Pause: */
 370       frame++;
 371       SDL_Delay(25);
 372     }
 373   /* Free surfaces: */
 374
 375   free_contrib_menu();
 376   delete titlesession;
 377   delete bkg_title;
 378   delete logo;
 379   delete img_choose_subset;
 380 }
 381
 382 // EOF //
 383