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 <sstream>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <errno.h>
  28 #include <unistd.h>
  29 #include <cmath>
  30 #include <SDL.h>
  31 #include <SDL_image.h>
  32
  33 #ifndef WIN32
  34 #include <sys/types.h>
  35 #include <ctype.h>
  36 #endif
  37
  38 #include "defines.h"
  39 #include "app/globals.h"
  40 #include "title.h"
  41 #include "video/screen.h"
  42 #include "video/surface.h"
  43 #include "high_scores.h"
  44 #include "gui/menu.h"
  45 #include "special/timer.h"
  46 #include "special/frame_rate.h"
  47 #include "app/setup.h"
  48 #include "level.h"
  49 #include "level_subset.h"
  50 #include "gameloop.h"
  51 #include "worldmap.h"
  52 #include "leveleditor.h"
  53 #include "scene.h"
  54 #include "player.h"
  55 #include "tile.h"
  56 #include "sector.h"
  57 #include "tilemap.h"
  58 #include "resources.h"
  59 #include "special/base.h"
  60 #include "app/gettext.h"
  61 #include "misc.h"
  62 #include "camera.h"
  63
  64 static Surface* bkg_title;
  65 static Surface* logo;
  66 static Surface* img_choose_subset;
  67
  68 static bool walking;
  69 static Timer random_timer;
  70
  71 static int frame;
  72
  73 static GameSession* titlesession;
  74
  75 static std::vector<LevelSubset*> contrib_subsets;
  76 static LevelSubset* current_contrib_subset = 0;
  77
  78 static std::set<std::string> worldmap_list;
  79
  80 static LevelEditor* leveleditor;
  81
  82 void update_load_save_game_menu(Menu* pmenu)
  83 {
  84   for(int i = 2; i < 7; ++i)
  85     {
  86       // FIXME: Insert a real savegame struct/class here instead of
  87       // doing string vodoo
  88       std::string tmp = slotinfo(i - 1);
  89       pmenu->item[i].kind = MN_ACTION;
  90       pmenu->item[i].change_text(tmp.c_str());
  91     }
  92 }
  93
  94 void free_contrib_menu()
  95 {
  96   for(std::vector<LevelSubset*>::iterator i = contrib_subsets.begin();
  97       i != contrib_subsets.end(); ++i)
  98     delete *i;
  99
 100   contrib_subsets.clear();
 101   contrib_menu->clear();
 102 }
 103
 104 void generate_contrib_menu()
 105 {
 106   /** Generating contrib levels list by making use of Level Subset */
 107   std::set<std::string> level_subsets = FileSystem::dsubdirs("/levels", "info");
 108
 109   free_contrib_menu();
 110
 111   contrib_menu->additem(MN_LABEL,_("Contrib Levels"),0,0);
 112   contrib_menu->additem(MN_HL,"",0,0);
 113   int i = 0;
 114   for (std::set<std::string>::iterator it = level_subsets.begin(); it != level_subsets.end(); ++it)
 115     {
 116       LevelSubset* subset = new LevelSubset();
 117       subset->load((*it).c_str());
 118       contrib_menu->additem(MN_GOTO, subset->title, 0, contrib_subset_menu, i);
 119       contrib_subsets.push_back(subset);
 120       ++i;
 121     }
 122
 123   i = level_subsets.size();
 124   for(std::set<std::string>::iterator it = worldmap_list.begin(); it != worldmap_list.end(); ++it)
 125     {
 126     WorldMapNS::WorldMap worldmap;
 127     worldmap.loadmap((*it).c_str());
 128     contrib_menu->additem(MN_ACTION, worldmap.get_world_title(),0,0, i);
 129     ++i;
 130     }
 131
 132   contrib_menu->additem(MN_HL,"",0,0);
 133   contrib_menu->additem(MN_BACK,_("Back"),0,0);
 134
 135   level_subsets.clear();
 136 }
 137
 138 void check_levels_contrib_menu()
 139 {
 140   static int current_subset = -1;
 141
 142   int index = contrib_menu->check();
 143   if (index == -1)
 144     return;
 145
 146   if (index < (int)contrib_subsets.size())
 147     {
 148     if (current_subset != index)
 149       {
 150       current_subset = index;
 151       // FIXME: This shouln't be busy looping
 152       LevelSubset& subset = * (contrib_subsets[index]);
 153
 154       current_contrib_subset = &subset;
 155
 156       contrib_subset_menu->clear();
 157
 158       contrib_subset_menu->additem(MN_LABEL, subset.title, 0,0);
 159       contrib_subset_menu->additem(MN_HL,"",0,0);
 160
 161       for (int i = 0; i < subset.get_num_levels(); ++i)
 162         {
 163         /** get level's title */
 164         std::string level_title = "<no title>";
 165
 166         LispReader* reader = LispReader::load(subset.get_level_filename(i), "supertux-level");
 167         if(!reader)
 168           {
 169           std::cerr << "Error: Could not open level file. Ignoring...\n";
 170           return;
 171           }
 172
 173         reader->read_string("name", level_title, true);
 174         delete reader;
 175
 176         contrib_subset_menu->additem(MN_ACTION, level_title, 0, 0, i);
 177         }
 178
 179       contrib_subset_menu->additem(MN_HL,"",0,0);
 180       contrib_subset_menu->additem(MN_BACK, _("Back"), 0, 0);
 181
 182       titlesession->get_current_sector()->activate();
 183       titlesession->set_current();
 184       }
 185     }
 186   else if((unsigned)index < worldmap_list.size() + (int)contrib_subsets.size())
 187     {
 188     WorldMapNS::WorldMap worldmap;
 189     std::set<std::string>::iterator it = worldmap_list.begin();
 190     for(int i = index - contrib_subsets.size(); i > 0; --i)
 191     ++it;
 192     worldmap.loadmap((*it));
 193     worldmap.display();
 194
 195     Menu::set_current(main_menu);
 196     }
 197 }
 198
 199 void check_contrib_subset_menu()
 200 {
 201   int index = contrib_subset_menu->check();
 202   if (index != -1)
 203     {
 204       if (contrib_subset_menu->get_item_by_id(index).kind == MN_ACTION)
 205         {
 206           std::cout << "Starting level: " << index << std::endl;
 207
 208           GameSession session(
 209               current_contrib_subset->get_level_filename(index), ST_GL_PLAY);
 210           session.run();
 211           player_status.reset();
 212           Menu::set_current(main_menu);
 213           titlesession->get_current_sector()->activate();
 214           titlesession->set_current();
 215         }
 216     }
 217 }
 218
 219 void draw_demo(double frame_ratio)
 220 {
 221   Sector* world  = titlesession->get_current_sector();
 222   Player* tux = world->player;
 223
 224   world->play_music(LEVEL_MUSIC);
 225
 226   global_frame_counter++;
 227   tux->key_event((SDLKey) keymap.right,DOWN);
 228
 229   if(random_timer.check())
 230     {
 231       if(walking)
 232         tux->key_event((SDLKey) keymap.jump,UP);
 233       else
 234         tux->key_event((SDLKey) keymap.jump,DOWN);
 235     }
 236   else
 237     {
 238       random_timer.start(rand() % 3000 + 3000);
 239       walking = !walking;
 240     }
 241
 242   // Wrap around at the end of the level back to the beginnig
 243   if(world->solids->get_width() * 32 - 320 < tux->base.x)
 244     {
 245       tux->level_begin();
 246       world->camera->reset(Vector(tux->base.x, tux->base.y));
 247     }
 248
 249   tux->can_jump = true;
 250   float last_tux_x_pos = tux->base.x;
 251   world->action(frame_ratio);
 252
 253
 254   // disabled for now, since with the new jump code we easily get deadlocks
 255   // Jump if tux stays in the same position for one loop, ie. if he is
 256   // stuck behind a wall
 257   if (last_tux_x_pos == tux->base.x)
 258     {
 259       walking = false;
 260     }
 261
 262   world->draw(*titlesession->context);
 263 }
 264
 265 /* --- TITLE SCREEN --- */
 266 void title(void)
 267 {
 268   random_timer.init(true);
 269
 270   walking = true;
 271
 272   Ticks::pause_init();
 273
 274   titlesession = new GameSession(datadir + "/levels/misc/menu.stl", ST_GL_DEMO_GAME);
 275
 276   /* Load images: */
 277   bkg_title = new Surface(datadir + "/images/background/arctis.jpg", false);
 278   logo = new Surface(datadir + "/images/title/logo.png", true);
 279   img_choose_subset = new Surface(datadir + "/images/status/choose-level-subset.png", true);
 280
 281   /* Generating contrib maps by only using a string_list */
 282   worldmap_list = FileSystem::dfiles("levels/worldmap", "", "icyisland.stwm");
 283
 284   titlesession->get_current_sector()->activate();
 285   titlesession->set_current();
 286
 287   /* --- Main title loop: --- */
 288   frame = 0;
 289
 290   FrameRate frame_rate(100);
 291   frame_rate.set_frame_limit(false);
 292
 293   random_timer.start(rand() % 2000 + 2000);
 294
 295   Menu::set_current(main_menu);
 296   DrawingContext& context = *titlesession->context;
 297   while (Menu::current())
 298     {
 299       // if we spent to much time on a menu entry
 300       frame_rate.smooth_hanger();
 301
 302       // Calculate the movement-factor
 303       double frame_ratio = frame_rate.get();
 304
 305       if(frame_ratio > 1.5) /* Quick hack to correct the unprecise CPU clocks a little bit. */
 306         frame_ratio = 1.5 + (frame_ratio - 1.5) * 0.85;
 307       /* Lower the frame_ratio that Tux doesn't jump to hectically throught the demo. */
 308       frame_ratio /= 2;
 309
 310       SDL_Event event;
 311       while (SDL_PollEvent(&event))
 312         {
 313           if (Menu::current())
 314             {
 315               Menu::current()->event(event);
 316             }
 317          // FIXME: QUIT signal should be handled more generic, not locally
 318           if (event.type == SDL_QUIT)
 319             Menu::set_current(0);
 320         }
 321
 322       /* Draw the background: */
 323       draw_demo(frame_ratio);
 324
 325
 326       if (Menu::current() == main_menu)
 327         context.draw_surface(logo, Vector(screen->w/2 - logo->w/2, 30),
 328             LAYER_FOREGROUND1+1);
 329
 330       context.draw_text(white_small_text, " SuperTux " VERSION "\n", Vector(0, screen->h - 70), LEFT_ALLIGN, LAYER_FOREGROUND1);
 331       context.draw_text(white_small_text,
 332         _("Copyright (c) 2003 SuperTux Devel Team\n"
 333           "This game comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
 334           "are welcome to redistribute it under certain conditions; see the file COPYING\n"
 335           "for details.\n"), Vector(0, screen->h - 70 + white_small_text->get_height()), LEFT_ALLIGN, LAYER_FOREGROUND1);
 336
 337       /* Don't draw menu, if quit is true */
 338       Menu* menu = Menu::current();
 339       if(menu)
 340         {
 341           menu->draw(context);
 342           menu->action();
 343
 344           if(menu == main_menu)
 345             {
 346               switch (main_menu->check())
 347                 {
 348                 case MNID_STARTGAME:
 349                   // Start Game, ie. goto the slots menu
 350                   update_load_save_game_menu(load_game_menu);
 351                   break;
 352                 case MNID_LEVELS_CONTRIB:
 353                   // Contrib Menu
 354                   puts("Entering contrib menu");
 355                   generate_contrib_menu();
 356                   break;
 357                 case MNID_LEVELEDITOR:
 358                   leveleditor = new LevelEditor();
 359                   leveleditor->run();
 360                   delete leveleditor;
 361                   Menu::set_current(main_menu);
 362                   frame_rate.update();
 363                   break;
 364                 case MNID_CREDITS:
 365                   display_text_file("CREDITS", SCROLL_SPEED_CREDITS, white_big_text , white_text, white_small_text, blue_text );
 366                   Menu::set_current(main_menu);
 367                   break;
 368                 case MNID_QUITMAINMENU:
 369                   Menu::set_current(0);
 370                   break;
 371                 }
 372             }
 373           else if(menu == options_menu)
 374             {
 375               process_options_menu();
 376             }
 377           else if(menu == load_game_menu)
 378             {
 379               if(event.key.keysym.sym == SDLK_DELETE)
 380                 {
 381                 int slot = menu->get_active_item_id();
 382                 std::stringstream stream;
 383                 stream << slot;
 384                 std::string str = _("Are you sure you want to delete slot") + stream.str() + "?";
 385
 386                 if(confirm_dialog(bkg_title, str.c_str()))
 387                   {
 388                   str = st_save_dir + "/slot" + stream.str() + ".stsg";
 389                   printf("Removing: %s\n",str.c_str());
 390                   remove(str.c_str());
 391                   }
 392
 393                 update_load_save_game_menu(load_game_menu);
 394                 Menu::set_current(main_menu);
 395                 frame_rate.update();
 396                 }
 397               else if (process_load_game_menu())
 398                 {
 399                   // FIXME: shouldn't be needed if GameSession doesn't relay on global variables
 400                   titlesession->get_current_sector()->activate();
 401                   titlesession->set_current();
 402                   //titletux.level_begin();
 403                   frame_rate.update();
 404                 }
 405             }
 406           else if(menu == contrib_menu)
 407             {
 408               check_levels_contrib_menu();
 409             }
 410           else if (menu == contrib_subset_menu)
 411             {
 412               check_contrib_subset_menu();
 413             }
 414         }
 415
 416       mouse_cursor->draw(context);
 417
 418       context.do_drawing();
 419
 420       frame_rate.update();
 421
 422       /* Pause: */
 423       frame++;
 424       SDL_Delay(25);
 425     }
 426   /* Free surfaces: */
 427
 428   free_contrib_menu();
 429   worldmap_list.clear();
 430   delete titlesession;
 431   delete bkg_title;
 432   delete logo;
 433   delete img_choose_subset;
 434 }
 435
 436
 437 // EOF //
 438