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 #include <config.h>
  22
  23 #include <iostream>
  24 #include <sstream>
  25 #include <stdexcept>
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29 #include <errno.h>
  30 #include <unistd.h>
  31 #include <cmath>
  32 #include <SDL.h>
  33 #include <SDL_image.h>
  34
  35 #ifndef WIN32
  36 #include <sys/types.h>
  37 #include <ctype.h>
  38 #endif
  39
  40 #include "app/globals.h"
  41 #include "title.h"
  42 #include "video/screen.h"
  43 #include "video/surface.h"
  44 #include "gui/menu.h"
  45 #include "timer.h"
  46 #include "special/frame_rate.h"
  47 #include "app/setup.h"
  48 #include "lisp/lisp.h"
  49 #include "lisp/parser.h"
  50 #include "level.h"
  51 #include "level_subset.h"
  52 #include "game_session.h"
  53 #include "worldmap.h"
  54 #include "leveleditor.h"
  55 #include "player_status.h"
  56 #include "tile.h"
  57 #include "sector.h"
  58 #include "object/tilemap.h"
  59 #include "object/camera.h"
  60 #include "object/player.h"
  61 #include "resources.h"
  62 #include "app/gettext.h"
  63 #include "misc.h"
  64 #include "textscroller.h"
  65 #include "control/joystickkeyboardcontroller.h"
  66 #include "control/codecontroller.h"
  67 #include "main.h"
  68
  69 static Surface* bkg_title;
  70 static Surface* logo;
  71 static Surface* img_choose_subset;
  72
  73 static bool walking;
  74 static Timer2 random_timer;
  75
  76 static int frame;
  77
  78 static GameSession* titlesession;
  79 static CodeController* controller;
  80
  81 static std::vector<LevelSubset*> contrib_subsets;
  82 static LevelSubset* current_contrib_subset = 0;
  83
  84 static FrameRate frame_rate(100);
  85
  86 /* If the demo was stopped - because game started, level
  87    editor was excuted, etc - call this when you get back
  88    to the title code.
  89  */
  90 void resume_demo()
  91 {
  92   player_status.reset();
  93   titlesession->get_current_sector()->activate("main");
  94   titlesession->set_current();
  95
  96   frame_rate.update();
  97 }
  98
  99 void update_load_save_game_menu(Menu* menu)
 100 {
 101   printf("update loadsavemenu.\n");
 102   for(int i = 1; i < 6; ++i) {
 103     MenuItem& item = menu->get_item_by_id(i);
 104     item.kind = MN_ACTION;
 105     item.change_text(slotinfo(i));
 106   }
 107 }
 108
 109 void free_contrib_menu()
 110 {
 111   for(std::vector<LevelSubset*>::iterator i = contrib_subsets.begin();
 112       i != contrib_subsets.end(); ++i)
 113     delete *i;
 114
 115   contrib_subsets.clear();
 116   contrib_menu->clear();
 117 }
 118
 119 void generate_contrib_menu()
 120 {
 121   /** Generating contrib levels list by making use of Level Subset  */
 122   std::set<std::string> level_subsets = FileSystem::dsubdirs("/levels", "info");
 123
 124   free_contrib_menu();
 125
 126   contrib_menu->add_label(_("Contrib Levels"));
 127   contrib_menu->add_hl();
 128
 129   int i = 0;
 130   for (std::set<std::string>::iterator it = level_subsets.begin();
 131       it != level_subsets.end(); ++it)
 132     {
 133       LevelSubset* subset = new LevelSubset();
 134       subset->load(*it);
 135       if(subset->hide_from_contribs) {
 136         delete subset;
 137         continue;
 138       }
 139       contrib_menu->add_submenu(subset->title, contrib_subset_menu, i);
 140       contrib_subsets.push_back(subset);
 141       ++i;
 142     }
 143
 144   contrib_menu->add_hl();
 145   contrib_menu->add_back(_("Back"));
 146
 147   level_subsets.clear();
 148 }
 149
 150 std::string get_level_name(const std::string& filename)
 151 {
 152   try {
 153     lisp::Parser parser;
 154     std::auto_ptr<lisp::Lisp> root (parser.parse(filename));
 155
 156     const lisp::Lisp* level = root->get_lisp("supertux-level");
 157     if(!level)
 158       return "";
 159
 160     std::string name;
 161     level->get("name", name);
 162     return name;
 163   } catch(std::exception& e) {
 164     std::cerr << "Problem getting name of '" << filename << "'.\n";
 165     return "";
 166   }
 167 }
 168
 169 void check_levels_contrib_menu()
 170 {
 171   static int current_subset = -1;
 172
 173   int index = contrib_menu->check();
 174   if (index == -1)
 175     return;
 176
 177   LevelSubset& subset = * (contrib_subsets[index]);
 178
 179   if(subset.has_worldmap) {
 180     WorldMapNS::WorldMap worldmap;
 181     worldmap.set_map_filename(subset.get_worldmap_filename());
 182
 183     // some fading
 184     fadeout(256);
 185     DrawingContext context;
 186     context.draw_text(white_text, "Loading...",
 187         Vector(SCREEN_WIDTH/2, SCREEN_HEIGHT/2), CENTER_ALLIGN, LAYER_FOREGROUND1);
 188     context.do_drawing();
 189
 190     // TODO: slots should be available for contrib maps
 191     worldmap.loadgame(user_dir + "/save/" + subset.name + "-slot1.stsg");
 192
 193     worldmap.display();  // run the map
 194
 195     Menu::set_current(main_menu);
 196     resume_demo();
 197   } else if (current_subset != index) {
 198     current_subset = index;
 199     // FIXME: This shouln't be busy looping
 200     LevelSubset& subset = * (contrib_subsets[index]);
 201
 202     current_contrib_subset = &subset;
 203
 204     contrib_subset_menu->clear();
 205
 206     contrib_subset_menu->add_label(subset.title);
 207     contrib_subset_menu->add_hl();
 208
 209     for (int i = 0; i < subset.get_num_levels(); ++i)
 210     {
 211       /** get level's title */
 212       std::string filename = subset.get_level_filename(i);
 213       std::string title = get_level_name(filename);
 214       contrib_subset_menu->add_entry(i, title);
 215     }
 216
 217     contrib_subset_menu->add_hl();
 218     contrib_subset_menu->add_back(_("Back"));
 219
 220     titlesession->get_current_sector()->activate("main");
 221     titlesession->set_current();
 222   }
 223 }
 224
 225 void check_contrib_subset_menu()
 226 {
 227   int index = contrib_subset_menu->check();
 228   if (index != -1)
 229     {
 230       if (contrib_subset_menu->get_item_by_id(index).kind == MN_ACTION)
 231         {
 232           std::cout << "Starting level: " << index << std::endl;
 233
 234           GameSession session(
 235               current_contrib_subset->get_level_filename(index), ST_GL_PLAY);
 236           session.run();
 237           player_status.reset();
 238           Menu::set_current(main_menu);
 239           resume_demo();
 240         }
 241     }
 242 }
 243
 244 void draw_demo(float elapsed_time)
 245 {
 246   static float last_tux_x_pos = -1;
 247   static float last_tux_y_pos = -1;
 248   Sector* sector  = titlesession->get_current_sector();
 249   Player* tux = sector->player;
 250
 251   sector->play_music(LEVEL_MUSIC);
 252
 253   controller->update();
 254   controller->press(Controller::RIGHT);
 255
 256   if(random_timer.check() ||
 257       (walking && (int) last_tux_x_pos == (int) tux->get_pos().x)) {
 258     walking = false;
 259     printf("Walking: %d.\n", walking);
 260   } else {
 261       if(!walking && (int) tux->get_pos().y == (int) last_tux_y_pos) {
 262         random_timer.start(float(rand() % 3000 + 3000) / 1000.);
 263         walking = true;
 264         printf("Walking: %d.\n", walking);
 265       }
 266   }
 267   if(!walking)
 268     controller->press(Controller::JUMP);
 269   last_tux_x_pos = tux->get_pos().x;
 270   last_tux_y_pos = tux->get_pos().y;
 271
 272   // Wrap around at the end of the level back to the beginnig
 273   if(sector->solids->get_width() * 32 - 320 < tux->get_pos().x) {
 274     sector->activate("main");
 275     sector->camera->reset(tux->get_pos());
 276   }
 277
 278   sector->action(elapsed_time);
 279   sector->draw(*titlesession->context);
 280 }
 281
 282 /* --- TITLE SCREEN --- */
 283 void title()
 284 {
 285   walking = true;
 286   //LevelEditor* leveleditor;
 287   MusicRef credits_music;
 288   controller = new CodeController();
 289
 290   Ticks::pause_init();
 291
 292   titlesession = new GameSession(get_resource_filename("levels/misc/menu.stl"),
 293       ST_GL_DEMO_GAME);
 294
 295   /* Load images: */
 296   bkg_title = new Surface(datadir + "/images/background/arctis.jpg", false);
 297   logo = new Surface(datadir + "/images/title/logo.png", true);
 298   img_choose_subset = new Surface(datadir + "/images/status/choose-level-subset.png", true);
 299
 300   titlesession->get_current_sector()->activate("main");
 301   titlesession->set_current();
 302
 303   Player* player = titlesession->get_current_sector()->player;
 304   player->set_controller(controller);
 305
 306   /* --- Main title loop: --- */
 307   frame = 0;
 308
 309   random_timer.start(float(rand() % 2000 + 2000) / 1000.0);
 310
 311   Uint32 lastticks = SDL_GetTicks();
 312
 313   Menu::set_current(main_menu);
 314   DrawingContext& context = *titlesession->context;
 315   bool running = true;
 316   while (running)
 317     {
 318       // Calculate the movement-factor
 319       Uint32 ticks = SDL_GetTicks();
 320       float elapsed_time = float(ticks - lastticks) / 1000.;
 321       global_time += elapsed_time;
 322       lastticks = ticks;
 323       // 40fps is minimum
 324       if(elapsed_time > .04)
 325         elapsed_time = .04;
 326
 327       /* Lower the speed so that Tux doesn't jump too hectically throught
 328          the demo. */
 329       elapsed_time /= 2;
 330
 331       SDL_Event event;
 332       main_controller->update();
 333       while (SDL_PollEvent(&event)) {
 334         if (Menu::current()) {
 335           Menu::current()->event(event);
 336         }
 337         main_controller->process_event(event);
 338         if (event.type == SDL_QUIT)
 339           throw std::runtime_error("Received window close");
 340       }
 341
 342       /* Draw the background: */
 343       draw_demo(elapsed_time);
 344
 345       if (Menu::current() == main_menu)
 346         context.draw_surface(logo, Vector(SCREEN_WIDTH/2 - logo->w/2, 30),
 347             LAYER_FOREGROUND1+1);
 348
 349       context.draw_text(white_small_text, " SuperTux " PACKAGE_VERSION "\n",
 350               Vector(0, SCREEN_HEIGHT - 50), LEFT_ALLIGN, LAYER_FOREGROUND1);
 351       context.draw_text(white_small_text,
 352         _(
 353 "Copyright (c) 2003 SuperTux Devel Team\n"
 354 "This game comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome to\n"
 355 "redistribute it under certain conditions; see the file COPYING for details.\n"
 356         ),
 357         Vector(0, SCREEN_HEIGHT - 50 + white_small_text->get_height() + 5),
 358         LEFT_ALLIGN, LAYER_FOREGROUND1);
 359
 360       /* Don't draw menu, if quit is true */
 361       Menu* menu = Menu::current();
 362       if(menu)
 363         {
 364           menu->draw(context);
 365           menu->action();
 366
 367           if(menu == main_menu)
 368             {
 369               switch (main_menu->check())
 370                 {
 371                 case MNID_STARTGAME:
 372                   // Start Game, ie. goto the slots menu
 373                   update_load_save_game_menu(load_game_menu);
 374                   break;
 375                 case MNID_LEVELS_CONTRIB:
 376                   // Contrib Menu
 377                   puts("Entering contrib menu");
 378                   generate_contrib_menu();
 379                   break;
 380 #if 0
 381                 case MNID_LEVELEDITOR: {
 382                   LevelEdtiro* leveleditor = new LevelEditor();
 383                   leveleditor->run();
 384                   delete leveleditor;
 385                   Menu::set_current(main_menu);
 386                   resume_demo();
 387                   break;
 388                 }
 389 #endif
 390                 case MNID_CREDITS:
 391                   fadeout(500);
 392                   credits_music = sound_manager->load_music(
 393                     get_resource_filename("/music/credits.ogg"));
 394                   sound_manager->play_music(credits_music);
 395                   display_text_file("credits.txt");
 396                   fadeout(500);
 397                   Menu::set_current(main_menu);
 398                   break;
 399                 case MNID_QUITMAINMENU:
 400                   running = false;
 401                   break;
 402                 }
 403             }
 404           else if(menu == options_menu)
 405             {
 406               process_options_menu();
 407             }
 408           else if(menu == load_game_menu)
 409             {
 410               if(event.key.keysym.sym == SDLK_DELETE)
 411                 {
 412                 int slot = menu->get_active_item_id();
 413                 std::stringstream stream;
 414                 stream << slot;
 415                 std::string str = _("Are you sure you want to delete slot") + stream.str() + "?";
 416
 417                 if(confirm_dialog(bkg_title, str.c_str()))
 418                   {
 419                   str = user_dir + "/save/slot" + stream.str() + ".stsg";
 420                   printf("Removing: %s\n",str.c_str());
 421                   remove(str.c_str());
 422                   }
 423
 424                 update_load_save_game_menu(load_game_menu);
 425                 Menu::set_current(main_menu);
 426                 resume_demo();
 427                 }
 428               else if (process_load_game_menu())
 429                 {
 430                   resume_demo();
 431                 }
 432             }
 433           else if(menu == contrib_menu)
 434             {
 435               check_levels_contrib_menu();
 436             }
 437           else if (menu == contrib_subset_menu)
 438             {
 439               check_contrib_subset_menu();
 440             }
 441         }
 442
 443       // reopen menu of user closed it (so that the app doesn't close when user
 444       // accidently hit ESC)
 445       if(Menu::current() == 0) {
 446         Menu::set_current(main_menu);
 447       }
 448
 449       mouse_cursor->draw(context);
 450
 451       context.do_drawing();
 452
 453       frame_rate.update();
 454
 455       /* Pause: */
 456       frame++;
 457     }
 458   /* Free surfaces: */
 459
 460   free_contrib_menu();
 461   delete titlesession;
 462   delete bkg_title;
 463   delete logo;
 464   delete img_choose_subset;
 465 }