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 "worldmap.h"
  49 #include "leveleditor.h"
  50 #include "scene.h"
  51 #include "player.h"
  52 #include "math.h"
  53 #include "tile.h"
  54 #include "sector.h"
  55 #include "tilemap.h"
  56 #include "resources.h"
  57 #include "type.h"
  58 #include "gettext.h"
  59
  60 static Surface* bkg_title;
  61 static Surface* logo;
  62 static Surface* img_choose_subset;
  63
  64 static bool walking;
  65 static Timer random_timer;
  66
  67 static int frame;
  68 static unsigned int last_update_time;
  69 static unsigned int update_time;
  70
  71 static GameSession* titlesession;
  72
  73 static std::vector<LevelSubset*> contrib_subsets;
  74 static LevelSubset* current_contrib_subset = 0;
  75
  76 static string_list_type worldmap_list;
  77
  78 static LevelEditor* leveleditor;
  79
  80 void free_contrib_menu()
  81 {
  82   for(std::vector<LevelSubset*>::iterator i = contrib_subsets.begin();
  83       i != contrib_subsets.end(); ++i)
  84     delete *i;
  85
  86   contrib_subsets.clear();
  87   contrib_menu->clear();
  88 }
  89
  90 void generate_contrib_menu()
  91 {
  92   /** Generating contrib levels list by making use of Level Subset */
  93   string_list_type level_subsets = dsubdirs("/levels", "info");
  94
  95   free_contrib_menu();
  96
  97   contrib_menu->additem(MN_LABEL,_("Contrib Levels"),0,0);
  98   contrib_menu->additem(MN_HL,"",0,0);
  99
 100   for (int i = 0; i < level_subsets.num_items; ++i)
 101     {
 102       LevelSubset* subset = new LevelSubset();
 103       subset->load(level_subsets.item[i]);
 104       contrib_menu->additem(MN_GOTO, subset->title.c_str(), i,
 105           contrib_subset_menu, i+1);
 106       contrib_subsets.push_back(subset);
 107     }
 108
 109   contrib_menu->additem(MN_HL,"",0,0);
 110   contrib_menu->additem(MN_BACK,_("Back"),0,0);
 111
 112   string_list_free(&level_subsets);
 113 }
 114
 115 void check_levels_contrib_menu()
 116 {
 117   static int current_subset = -1;
 118
 119   int index = contrib_menu->check();
 120   if (index != -1)
 121     {
 122       index -= 1;
 123       if (index >= 0 && index <= int(contrib_subsets.size()))
 124         {
 125           if (current_subset != index)
 126             {
 127               current_subset = index;
 128               // FIXME: This shouln't be busy looping
 129               LevelSubset& subset = * (contrib_subsets[index]);
 130
 131               current_contrib_subset = &subset;
 132
 133               contrib_subset_menu->clear();
 134
 135               contrib_subset_menu->additem(MN_LABEL, subset.title, 0,0);
 136               contrib_subset_menu->additem(MN_HL,"",0,0);
 137
 138               for (int i = 0; i < subset.get_num_levels(); ++i)
 139                 {
 140                   Level* level = new Level;
 141                   level->load(subset.get_level_filename(i));
 142                   contrib_subset_menu->additem(MN_ACTION, level->get_name(), 0, 0, i);
 143                   delete level;
 144                 }
 145
 146               contrib_subset_menu->additem(MN_HL,"",0,0);
 147               contrib_subset_menu->additem(MN_BACK, _("Back"), 0, 0);
 148
 149               titlesession->get_current_sector()->activate();
 150               titlesession->set_current();
 151             }
 152         }
 153       else
 154         {
 155           // Back button
 156         }
 157     }
 158 }
 159
 160 void check_contrib_subset_menu()
 161 {
 162   int index = contrib_subset_menu->check();
 163   if (index != -1)
 164     {
 165       if (contrib_subset_menu->get_item_by_id(index).kind == MN_ACTION)
 166         {
 167           std::cout << "Starting level: " << index << std::endl;
 168
 169           GameSession session(
 170               current_contrib_subset->get_level_filename(index), ST_GL_PLAY);
 171           session.run();
 172           player_status.reset();
 173           Menu::set_current(main_menu);
 174           titlesession->get_current_sector()->activate();
 175           titlesession->set_current();
 176         }
 177     }
 178 }
 179
 180 void check_contrib_worldmap_menu()
 181 {
 182   int index = contrib_worldmap_menu->check();
 183   if (index != -1)
 184     {
 185       WorldMapNS::WorldMap worldmap;
 186       worldmap.loadmap(worldmap_list.item[index]);
 187       worldmap.display();
 188
 189       Menu::set_current(main_menu);
 190     }
 191 }
 192
 193 void draw_demo(double frame_ratio)
 194 {
 195   Sector* world  = titlesession->get_current_sector();
 196   Player* tux = world->player;
 197
 198   world->play_music(LEVEL_MUSIC);
 199
 200   global_frame_counter++;
 201   tux->key_event((SDLKey) keymap.right,DOWN);
 202
 203   if(random_timer.check())
 204     {
 205       if(walking)
 206         tux->key_event((SDLKey) keymap.jump,UP);
 207       else
 208         tux->key_event((SDLKey) keymap.jump,DOWN);
 209     }
 210   else
 211     {
 212       random_timer.start(rand() % 3000 + 3000);
 213       walking = !walking;
 214     }
 215
 216   // Wrap around at the end of the level back to the beginnig
 217   if(world->solids->get_width() * 32 - 320 < tux->base.x)
 218     {
 219       tux->level_begin();
 220     }
 221
 222   tux->can_jump = true;
 223   float last_tux_x_pos = tux->base.x;
 224   world->action(frame_ratio);
 225
 226
 227   // disabled for now, since with the new jump code we easily get deadlocks
 228   // Jump if tux stays in the same position for one loop, ie. if he is
 229   // stuck behind a wall
 230   if (last_tux_x_pos == tux->base.x)
 231     {
 232       walking = false;
 233     }
 234
 235   world->draw(*titlesession->context);
 236 }
 237
 238 /* --- TITLE SCREEN --- */
 239 void title(void)
 240 {
 241   random_timer.init(true);
 242
 243   walking = true;
 244
 245   st_pause_ticks_init();
 246
 247   titlesession = new GameSession(datadir + "/levels/misc/menu.stl", ST_GL_DEMO_GAME);
 248
 249   /* Load images: */
 250   bkg_title = new Surface(datadir + "/images/background/arctis.jpg", IGNORE_ALPHA);
 251   logo = new Surface(datadir + "/images/title/logo.png", USE_ALPHA);
 252   img_choose_subset = new Surface(datadir + "/images/status/choose-level-subset.png", USE_ALPHA);
 253
 254   /* Generating contrib maps by only using a string_list */
 255   worldmap_list = dfiles("levels/worldmap", NULL, NULL);
 256
 257   contrib_worldmap_menu->additem(MN_LABEL, _("Contrib Worlds"), 0,0);
 258   contrib_worldmap_menu->additem(MN_HL, "", 0,0);
 259   for(int i = 0; i < worldmap_list.num_items; i++)
 260     {
 261     WorldMapNS::WorldMap worldmap;
 262     worldmap.loadmap(worldmap_list.item[i]);
 263     contrib_worldmap_menu->additem(MN_ACTION, worldmap.get_world_title(),0,0,i);
 264     }
 265   contrib_worldmap_menu->additem(MN_HL,"",0,0);
 266   contrib_worldmap_menu->additem(MN_BACK,"Back",0,0);
 267
 268   titlesession->get_current_sector()->activate();
 269   titlesession->set_current();
 270
 271   /* --- Main title loop: --- */
 272   frame = 0;
 273
 274   update_time = st_get_ticks();
 275   random_timer.start(rand() % 2000 + 2000);
 276
 277   Menu::set_current(main_menu);
 278   DrawingContext& context = *titlesession->context;
 279   while (Menu::current())
 280     {
 281       // if we spent to much time on a menu entry
 282       if( (update_time - last_update_time) > 1000)
 283         update_time = last_update_time = st_get_ticks();
 284
 285       // Calculate the movement-factor
 286       double frame_ratio = ((double)(update_time-last_update_time))/((double)FRAME_RATE);
 287       if(frame_ratio > 1.5) /* Quick hack to correct the unprecise CPU clocks a little bit. */
 288         frame_ratio = 1.5 + (frame_ratio - 1.5) * 0.85;
 289       /* Lower the frame_ratio that Tux doesn't jump to hectically throught the demo. */
 290       frame_ratio /= 2;
 291
 292       SDL_Event event;
 293       while (SDL_PollEvent(&event))
 294         {
 295           if (Menu::current())
 296             {
 297               Menu::current()->event(event);
 298             }
 299          // FIXME: QUIT signal should be handled more generic, not locally
 300           if (event.type == SDL_QUIT)
 301             Menu::set_current(0);
 302         }
 303
 304       /* Draw the background: */
 305       draw_demo(frame_ratio);
 306
 307       if (Menu::current() == main_menu)
 308         context.draw_surface(logo, Vector(screen->w/2 - logo->w/2, 30),
 309             LAYER_FOREGROUND1+1);
 310
 311       context.draw_text(white_small_text, " SuperTux " VERSION "\n", Vector(0, screen->h - 70), LAYER_FOREGROUND1);
 312       context.draw_text(white_small_text,
 313         _("Copyright (c) 2003 SuperTux Devel Team\n"
 314           "This game comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
 315           "are welcome to redistribute it under certain conditions; see the file COPYING\n"
 316           "for details.\n"), Vector(0, screen->h - 70 + white_small_text->get_height()), LAYER_FOREGROUND1);
 317
 318       /* Don't draw menu, if quit is true */
 319       Menu* menu = Menu::current();
 320       if(menu)
 321         {
 322           menu->draw(context);
 323           menu->action();
 324
 325           if(menu == main_menu)
 326             {
 327               switch (main_menu->check())
 328                 {
 329                 case MNID_STARTGAME:
 330                   // Start Game, ie. goto the slots menu
 331                   update_load_save_game_menu(load_game_menu);
 332                   break;
 333                 case MNID_WORLDMAP_CONTRIB:
 334                   break;
 335                 case MNID_LEVELS_CONTRIB:
 336                   // Contrib Menu
 337                   puts("Entering contrib menu");
 338                   generate_contrib_menu();
 339                   break;
 340                 case MNID_LEVELEDITOR:
 341                   leveleditor = new LevelEditor();
 342                   leveleditor->run();
 343                   delete leveleditor;
 344                   Menu::set_current(main_menu);
 345                   update_time = st_get_ticks();
 346                   break;
 347                 case MNID_CREDITS:
 348                   display_text_file("CREDITS", SCROLL_SPEED_CREDITS);
 349                   Menu::set_current(main_menu);
 350                   break;
 351                 case MNID_QUITMAINMENU:
 352                   Menu::set_current(0);
 353                   break;
 354                 }
 355             }
 356           else if(menu == options_menu)
 357             {
 358               process_options_menu();
 359             }
 360           else if(menu == load_game_menu)
 361             {
 362               if(event.key.keysym.sym == SDLK_DELETE)
 363                 {
 364                 int slot = menu->get_active_item_id();
 365                 char str[1024];
 366                 sprintf(str,_("Are you sure you want to delete slot %d?"), slot);
 367
 368                 if(confirm_dialog(bkg_title, str))
 369                   {
 370                   sprintf(str,"%s/slot%d.stsg", st_save_dir, slot);
 371                   printf("Removing: %s\n",str);
 372                   remove(str);
 373                   }
 374
 375                 update_load_save_game_menu(load_game_menu);
 376                 Menu::set_current(main_menu);
 377                 update_time = st_get_ticks();
 378                 }
 379               else if (process_load_game_menu())
 380                 {
 381                   // FIXME: shouldn't be needed if GameSession doesn't relay on global variables
 382                   titlesession->get_current_sector()->activate();
 383                   titlesession->set_current();
 384                   //titletux.level_begin();
 385                   update_time = st_get_ticks();
 386                 }
 387             }
 388           else if(menu == contrib_menu)
 389             {
 390               check_levels_contrib_menu();
 391             }
 392           else if (menu == contrib_subset_menu)
 393             {
 394               check_contrib_subset_menu();
 395             }
 396           else if(menu == contrib_worldmap_menu)
 397             {
 398               check_contrib_worldmap_menu();
 399             }
 400         }
 401
 402       mouse_cursor->draw(context);
 403
 404       context.do_drawing();
 405
 406       /* Set the time of the last update and the time of the current update */
 407       last_update_time = update_time;
 408       update_time = st_get_ticks();
 409
 410       /* Pause: */
 411       frame++;
 412       SDL_Delay(25);
 413     }
 414   /* Free surfaces: */
 415
 416   free_contrib_menu();
 417   delete titlesession;
 418   delete bkg_title;
 419   delete logo;
 420   delete img_choose_subset;
 421 }
 422
 423 // EOF //
 424