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 static int first_level_index;
  78
  79 static std::set<std::string> worldmap_list;
  80
  81 static LevelEditor* leveleditor;
  82
  83 void update_load_save_game_menu(Menu* pmenu)
  84 {
  85   for(int i = 2; i < 7; ++i)
  86     {
  87       // FIXME: Insert a real savegame struct/class here instead of
  88       // doing string vodoo
  89       std::string tmp = slotinfo(i - 1);
  90       pmenu->item[i].kind = MN_ACTION;
  91       pmenu->item[i].change_text(tmp.c_str());
  92     }
  93 }
  94
  95 void free_contrib_menu()
  96 {
  97   for(std::vector<LevelSubset*>::iterator i = contrib_subsets.begin();
  98       i != contrib_subsets.end(); ++i)
  99     delete *i;
 100
 101   contrib_subsets.clear();
 102   contrib_menu->clear();
 103 }
 104
 105 void generate_contrib_menu()
 106 {
 107   /** Generating contrib levels list by making use of Level Subset */
 108   std::set<std::string> level_subsets = FileSystem::dsubdirs("/levels", "info");
 109
 110   free_contrib_menu();
 111
 112   contrib_menu->additem(MN_LABEL,_("Contrib Levels"),0,0);
 113   contrib_menu->additem(MN_HL,"",0,0);
 114   int i = 0;
 115
 116   for(std::set<std::string>::iterator it = worldmap_list.begin(); it != worldmap_list.end(); ++it)
 117     {
 118     WorldMapNS::WorldMap worldmap;
 119     worldmap.loadmap((*it).c_str());
 120     contrib_menu->additem(MN_ACTION, worldmap.get_world_title(),0,0, i);
 121     ++i;
 122     }
 123
 124   contrib_menu->additem(MN_HL,"",0,0);
 125
 126   first_level_index = i;
 127   for (std::set<std::string>::iterator it = level_subsets.begin(); it != level_subsets.end(); ++it)
 128     {
 129       LevelSubset* subset = new LevelSubset();
 130       subset->load(*it);
 131       if(subset->hide_from_contribs)
 132         {
 133         delete subset;
 134         continue;
 135         }
 136       contrib_menu->additem(MN_GOTO, subset->title, 0, contrib_subset_menu, i);
 137       contrib_subsets.push_back(subset);
 138       ++i;
 139     }
 140
 141   contrib_menu->additem(MN_HL,"",0,0);
 142   contrib_menu->additem(MN_BACK,_("Back"),0,0);
 143
 144   level_subsets.clear();
 145 }
 146
 147 void check_levels_contrib_menu()
 148 {
 149   static int current_subset = -1;
 150
 151   int index = contrib_menu->check();
 152   if (index == -1)
 153     return;
 154
 155   if((unsigned)index < worldmap_list.size())
 156     {
 157     WorldMapNS::WorldMap worldmap;
 158     std::set<std::string>::iterator it = worldmap_list.begin();
 159     for(int i = index; i > 0; --i)
 160     ++it;
 161
 162     std::string map_filename = *it;
 163
 164     worldmap.set_map_filename(map_filename);
 165
 166     // hack to erase the extension
 167     unsigned int ext_pos = it->find_last_of(".");
 168     if(ext_pos != std::string::npos)
 169       map_filename.erase(ext_pos, map_filename.size() - ext_pos);
 170
 171     // TODO: slots should be available for contrib maps
 172     worldmap.loadgame(st_save_dir + "/" + map_filename + "-slot1.stsg");
 173
 174     worldmap.display();  // run the map
 175
 176     Menu::set_current(main_menu);
 177     }
 178   else if (index < (int)contrib_subsets.size() + first_level_index)
 179     {
 180     index -= first_level_index;
 181     if (current_subset != index)
 182       {
 183       current_subset = index;
 184       // FIXME: This shouln't be busy looping
 185       LevelSubset& subset = * (contrib_subsets[index]);
 186
 187       current_contrib_subset = &subset;
 188
 189       contrib_subset_menu->clear();
 190
 191       contrib_subset_menu->additem(MN_LABEL, subset.title, 0,0);
 192       contrib_subset_menu->additem(MN_HL,"",0,0);
 193
 194       for (int i = 0; i < subset.get_num_levels(); ++i)
 195         {
 196         /** get level's title */
 197         std::string level_title = "<no title>";
 198
 199         LispReader* reader = LispReader::load(subset.get_level_filename(i), "supertux-level");
 200         if(!reader)
 201           {
 202           std::cerr << "Error: Could not open level file. Ignoring...\n";
 203           continue;
 204           }
 205
 206         reader->read_string("name", level_title, true);
 207         delete reader;
 208
 209         contrib_subset_menu->additem(MN_ACTION, level_title, 0, 0, i);
 210         }
 211
 212       contrib_subset_menu->additem(MN_HL,"",0,0);
 213       contrib_subset_menu->additem(MN_BACK, _("Back"), 0, 0);
 214
 215       titlesession->get_current_sector()->activate();
 216       titlesession->set_current();
 217       }
 218     }
 219 }
 220
 221 void check_contrib_subset_menu()
 222 {
 223   int index = contrib_subset_menu->check();
 224   if (index != -1)
 225     {
 226       if (contrib_subset_menu->get_item_by_id(index).kind == MN_ACTION)
 227         {
 228           std::cout << "Starting level: " << index << std::endl;
 229
 230           GameSession session(
 231               current_contrib_subset->get_level_filename(index), ST_GL_PLAY);
 232           session.run();
 233           player_status.reset();
 234           Menu::set_current(main_menu);
 235           titlesession->get_current_sector()->activate();
 236           titlesession->set_current();
 237         }
 238     }
 239 }
 240
 241 void draw_demo(double frame_ratio)
 242 {
 243   Sector* world  = titlesession->get_current_sector();
 244   Player* tux = world->player;
 245
 246   world->play_music(LEVEL_MUSIC);
 247
 248   global_frame_counter++;
 249   tux->key_event((SDLKey) keymap.right,DOWN);
 250
 251   if(random_timer.check())
 252     {
 253       if(walking)
 254         tux->key_event((SDLKey) keymap.jump,UP);
 255       else
 256         tux->key_event((SDLKey) keymap.jump,DOWN);
 257     }
 258   else
 259     {
 260       random_timer.start(rand() % 3000 + 3000);
 261       walking = !walking;
 262     }
 263
 264   // Wrap around at the end of the level back to the beginnig
 265   if(world->solids->get_width() * 32 - 320 < tux->base.x)
 266     {
 267       tux->level_begin();
 268       world->camera->reset(Vector(tux->base.x, tux->base.y));
 269     }
 270
 271   tux->can_jump = true;
 272   float last_tux_x_pos = tux->base.x;
 273   world->action(frame_ratio);
 274
 275
 276   // disabled for now, since with the new jump code we easily get deadlocks
 277   // Jump if tux stays in the same position for one loop, ie. if he is
 278   // stuck behind a wall
 279   if (last_tux_x_pos == tux->base.x)
 280     {
 281       walking = false;
 282     }
 283
 284   world->draw(*titlesession->context);
 285 }
 286
 287 /* --- TITLE SCREEN --- */
 288 void title(void)
 289 {
 290   random_timer.init(true);
 291
 292   walking = true;
 293
 294   Ticks::pause_init();
 295
 296   titlesession = new GameSession(datadir + "/levels/misc/menu.stl", ST_GL_DEMO_GAME);
 297
 298   /* Load images: */
 299   bkg_title = new Surface(datadir + "/images/background/arctis.jpg", false);
 300   logo = new Surface(datadir + "/images/title/logo.png", true);
 301   img_choose_subset = new Surface(datadir + "/images/status/choose-level-subset.png", true);
 302
 303   /* Generating contrib maps by only using a string_list */
 304   worldmap_list = FileSystem::dfiles("levels/worldmap", "", "icyisland.stwm");
 305
 306   titlesession->get_current_sector()->activate();
 307   titlesession->set_current();
 308
 309   /* --- Main title loop: --- */
 310   frame = 0;
 311
 312   FrameRate frame_rate(100);
 313   frame_rate.set_frame_limit(false);
 314
 315   random_timer.start(rand() % 2000 + 2000);
 316
 317   Menu::set_current(main_menu);
 318   DrawingContext& context = *titlesession->context;
 319   while (Menu::current())
 320     {
 321       // if we spent to much time on a menu entry
 322       frame_rate.smooth_hanger();
 323
 324       // Calculate the movement-factor
 325       double frame_ratio = frame_rate.get();
 326
 327       if(frame_ratio > 1.5) /* Quick hack to correct the unprecise CPU clocks a little bit. */
 328         frame_ratio = 1.5 + (frame_ratio - 1.5) * 0.85;
 329       /* Lower the frame_ratio that Tux doesn't jump to hectically throught the demo. */
 330       frame_ratio /= 2;
 331
 332       SDL_Event event;
 333       while (SDL_PollEvent(&event))
 334         {
 335           if (Menu::current())
 336             {
 337               Menu::current()->event(event);
 338             }
 339          // FIXME: QUIT signal should be handled more generic, not locally
 340           if (event.type == SDL_QUIT)
 341             Menu::set_current(0);
 342         }
 343
 344       /* Draw the background: */
 345       draw_demo(frame_ratio);
 346
 347
 348       if (Menu::current() == main_menu)
 349         context.draw_surface(logo, Vector(screen->w/2 - logo->w/2, 30),
 350             LAYER_FOREGROUND1+1);
 351
 352       context.draw_text(white_small_text, " SuperTux " VERSION "\n", Vector(0, screen->h - 70), LEFT_ALLIGN, LAYER_FOREGROUND1);
 353       context.draw_text(white_small_text,
 354         _("Copyright (c) 2003 SuperTux Devel Team\n"
 355           "This game comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
 356           "are welcome to redistribute it under certain conditions; see the file COPYING\n"
 357           "for details.\n"), Vector(0, screen->h - 70 + white_small_text->get_height()), LEFT_ALLIGN, LAYER_FOREGROUND1);
 358
 359       /* Don't draw menu, if quit is true */
 360       Menu* menu = Menu::current();
 361       if(menu)
 362         {
 363           menu->draw(context);
 364           menu->action();
 365
 366           if(menu == main_menu)
 367             {
 368               switch (main_menu->check())
 369                 {
 370                 case MNID_STARTGAME:
 371                   // Start Game, ie. goto the slots menu
 372                   update_load_save_game_menu(load_game_menu);
 373                   break;
 374                 case MNID_LEVELS_CONTRIB:
 375                   // Contrib Menu
 376                   puts("Entering contrib menu");
 377                   generate_contrib_menu();
 378                   break;
 379                 case MNID_LEVELEDITOR:
 380                   leveleditor = new LevelEditor();
 381                   leveleditor->run();
 382                   delete leveleditor;
 383                   Menu::set_current(main_menu);
 384                   frame_rate.update();
 385                   break;
 386                 case MNID_CREDITS:
 387                   display_text_file("CREDITS", SCROLL_SPEED_CREDITS, white_big_text , white_text, white_small_text, blue_text );
 388                   Menu::set_current(main_menu);
 389                   break;
 390                 case MNID_QUITMAINMENU:
 391                   Menu::set_current(0);
 392                   break;
 393                 }
 394             }
 395           else if(menu == options_menu)
 396             {
 397               process_options_menu();
 398             }
 399           else if(menu == load_game_menu)
 400             {
 401               if(event.key.keysym.sym == SDLK_DELETE)
 402                 {
 403                 int slot = menu->get_active_item_id();
 404                 std::stringstream stream;
 405                 stream << slot;
 406                 std::string str = _("Are you sure you want to delete slot") + stream.str() + "?";
 407
 408                 if(confirm_dialog(bkg_title, str.c_str()))
 409                   {
 410                   str = st_save_dir + "/slot" + stream.str() + ".stsg";
 411                   printf("Removing: %s\n",str.c_str());
 412                   remove(str.c_str());
 413                   }
 414
 415                 update_load_save_game_menu(load_game_menu);
 416                 Menu::set_current(main_menu);
 417                 frame_rate.update();
 418                 }
 419               else if (process_load_game_menu())
 420                 {
 421                   // FIXME: shouldn't be needed if GameSession doesn't relay on global variables
 422                   titlesession->get_current_sector()->activate();
 423                   titlesession->set_current();
 424                   //titletux.level_begin();
 425                   frame_rate.update();
 426                 }
 427             }
 428           else if(menu == contrib_menu)
 429             {
 430               check_levels_contrib_menu();
 431             }
 432           else if (menu == contrib_subset_menu)
 433             {
 434               check_contrib_subset_menu();
 435             }
 436         }
 437
 438       mouse_cursor->draw(context);
 439
 440       context.do_drawing();
 441
 442       frame_rate.update();
 443
 444       /* Pause: */
 445       frame++;
 446       SDL_Delay(25);
 447     }
 448   /* Free surfaces: */
 449
 450   free_contrib_menu();
 451   worldmap_list.clear();
 452   delete titlesession;
 453   delete bkg_title;
 454   delete logo;
 455   delete img_choose_subset;
 456 }
 457
 458
 459 // EOF //
 460