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 #include <physfs.h>
  35
  36 #include "title.hpp"
  37 #include "video/screen.hpp"
  38 #include "video/surface.hpp"
  39 #include "audio/sound_manager.hpp"
  40 #include "gui/menu.hpp"
  41 #include "timer.hpp"
  42 #include "lisp/lisp.hpp"
  43 #include "lisp/parser.hpp"
  44 #include "level.hpp"
  45 #include "level_subset.hpp"
  46 #include "game_session.hpp"
  47 #include "worldmap.hpp"
  48 #include "player_status.hpp"
  49 #include "tile.hpp"
  50 #include "sector.hpp"
  51 #include "object/tilemap.hpp"
  52 #include "object/camera.hpp"
  53 #include "object/player.hpp"
  54 #include "resources.hpp"
  55 #include "gettext.hpp"
  56 #include "misc.hpp"
  57 #include "textscroller.hpp"
  58 #include "file_system.hpp"
  59 #include "control/joystickkeyboardcontroller.hpp"
  60 #include "control/codecontroller.hpp"
  61 #include "main.hpp"
  62
  63 static Surface* bkg_title;
  64 static Surface* logo;
  65 //static Surface* img_choose_subset;
  66
  67 static bool walking;
  68 static Timer random_timer;
  69
  70 static int frame;
  71
  72 static GameSession* titlesession;
  73 static CodeController* controller;
  74
  75 static std::vector<LevelSubset*> contrib_subsets;
  76 static LevelSubset* current_contrib_subset = 0;
  77 static int current_subset = -1;
  78
  79 /* If the demo was stopped - because game started, level
  80    editor was excuted, etc - call this when you get back
  81    to the title code.
  82  */
  83 void resume_demo()
  84 {
  85   player_status.reset();
  86   titlesession->get_current_sector()->activate("main");
  87   titlesession->set_current();
  88
  89   //frame_rate.update();
  90 }
  91
  92 void update_load_save_game_menu(Menu* menu)
  93 {
  94   printf("update loadsavemenu.\n");
  95   for(int i = 1; i < 6; ++i) {
  96     MenuItem& item = menu->get_item_by_id(i);
  97     item.kind = MN_ACTION;
  98     item.change_text(slotinfo(i));
  99   }
 100 }
 101
 102 void free_contrib_menu()
 103 {
 104   for(std::vector<LevelSubset*>::iterator i = contrib_subsets.begin();
 105       i != contrib_subsets.end(); ++i)
 106     delete *i;
 107
 108   contrib_subsets.clear();
 109   contrib_menu->clear();
 110   current_contrib_subset = 0;
 111   current_subset = -1;
 112 }
 113
 114 void generate_contrib_menu()
 115 {
 116   /** Generating contrib levels list by making use of Level Subset  */
 117   std::vector<std::string> level_subsets;
 118   char** files = PHYSFS_enumerateFiles("levels/");
 119   for(const char* const* filename = files; *filename != 0; ++filename) {
 120     std::string filepath = std::string("levels/") + *filename;
 121     if(PHYSFS_isDirectory(filepath.c_str()))
 122       level_subsets.push_back(filepath);
 123   }
 124   PHYSFS_freeList(files);
 125
 126   free_contrib_menu();
 127
 128   contrib_menu->add_label(_("Contrib Levels"));
 129   contrib_menu->add_hl();
 130
 131   int i = 0;
 132   for (std::vector<std::string>::iterator it = level_subsets.begin();
 133       it != level_subsets.end(); ++it) {
 134     try {
 135       std::auto_ptr<LevelSubset> subset (new LevelSubset());
 136       subset->load(*it);
 137       if(subset->hide_from_contribs) {
 138         continue;
 139       }
 140       contrib_menu->add_submenu(subset->title, contrib_subset_menu, i++);
 141       contrib_subsets.push_back(subset.release());
 142     } catch(std::exception& e) {
 143 #ifdef DEBUG
 144       std::cerr << "Couldn't parse levelset info for '"
 145         << *it << "': " << e.what() << "\n";
 146 #endif
 147     }
 148   }
 149
 150   contrib_menu->add_hl();
 151   contrib_menu->add_back(_("Back"));
 152 }
 153
 154 std::string get_level_name(const std::string& filename)
 155 {
 156   try {
 157     lisp::Parser parser;
 158     std::auto_ptr<lisp::Lisp> root (parser.parse(filename));
 159
 160     const lisp::Lisp* level = root->get_lisp("supertux-level");
 161     if(!level)
 162       return "";
 163
 164     std::string name;
 165     level->get("name", name);
 166     return name;
 167   } catch(std::exception& e) {
 168     std::cerr << "Problem getting name of '" << filename << "'.\n";
 169     return "";
 170   }
 171 }
 172
 173 void check_levels_contrib_menu()
 174 {
 175   int index = contrib_menu->check();
 176   if (index == -1)
 177     return;
 178
 179   LevelSubset& subset = * (contrib_subsets[index]);
 180
 181   if(subset.has_worldmap) {
 182     WorldMapNS::WorldMap worldmap;
 183     worldmap.set_map_filename(subset.get_worldmap_filename());
 184     sound_manager->stop_music();
 185
 186     // some fading
 187     fadeout(256);
 188     DrawingContext context;
 189     context.draw_text(white_text, "Loading...",
 190         Vector(SCREEN_WIDTH/2, SCREEN_HEIGHT/2), CENTER_ALLIGN, LAYER_FOREGROUND1);
 191     context.do_drawing();
 192
 193     // TODO: slots should be available for contrib maps
 194     worldmap.loadgame("save/" + subset.name + "-slot1.stsg");
 195     worldmap.display();  // run the map
 196
 197     Menu::set_current(main_menu);
 198     resume_demo();
 199   } else if (current_subset != index) {
 200     current_subset = index;
 201     LevelSubset& subset = * (contrib_subsets[index]);
 202
 203     current_contrib_subset = &subset;
 204
 205     contrib_subset_menu->clear();
 206
 207     contrib_subset_menu->add_label(subset.title);
 208     contrib_subset_menu->add_hl();
 209
 210     for (int i = 0; i < subset.get_num_levels(); ++i)
 211     {
 212       /** get level's title */
 213       std::string filename = subset.get_level_filename(i);
 214       std::string title = get_level_name(filename);
 215       contrib_subset_menu->add_entry(i, title);
 216     }
 217
 218     contrib_subset_menu->add_hl();
 219     contrib_subset_menu->add_back(_("Back"));
 220
 221     titlesession->get_current_sector()->activate("main");
 222     titlesession->set_current();
 223   }
 224 }
 225
 226 void check_contrib_subset_menu()
 227 {
 228   int index = contrib_subset_menu->check();
 229   if (index != -1) {
 230     if (contrib_subset_menu->get_item_by_id(index).kind == MN_ACTION) {
 231       sound_manager->stop_music();
 232       GameSession session(
 233           current_contrib_subset->get_level_filename(index), ST_GL_PLAY);
 234       session.run();
 235       player_status.reset();
 236       Menu::set_current(main_menu);
 237       resume_demo();
 238     }
 239   }
 240 }
 241
 242 void draw_demo(float elapsed_time)
 243 {
 244   static float last_tux_x_pos = -1;
 245   static float last_tux_y_pos = -1;
 246   Sector* sector  = titlesession->get_current_sector();
 247   Player* tux = sector->player;
 248
 249   sector->play_music(LEVEL_MUSIC);
 250
 251   controller->update();
 252   controller->press(Controller::RIGHT);
 253
 254   if(random_timer.check() ||
 255       (walking && fabsf(last_tux_x_pos - tux->get_pos().x)) < .1) {
 256     walking = false;
 257   } else {
 258       if(!walking && fabsf(tux->get_pos().y - last_tux_y_pos) < .1) {
 259         random_timer.start(float(rand() % 3000 + 3000) / 1000.);
 260         walking = true;
 261       }
 262   }
 263   if(!walking)
 264     controller->press(Controller::JUMP);
 265   last_tux_x_pos = tux->get_pos().x;
 266   last_tux_y_pos = tux->get_pos().y;
 267
 268   // Wrap around at the end of the level back to the beginnig
 269   if(sector->solids->get_width() * 32 - 320 < tux->get_pos().x) {
 270     sector->activate("main");
 271     sector->camera->reset(tux->get_pos());
 272   }
 273
 274   sector->update(elapsed_time);
 275   sector->draw(*titlesession->context);
 276 }
 277
 278 /* --- TITLE SCREEN --- */
 279 void title()
 280 {
 281   walking = true;
 282   //LevelEditor* leveleditor;
 283   controller = new CodeController();
 284
 285   titlesession = new GameSession("levels/misc/menu.stl", ST_GL_DEMO_GAME);
 286
 287   /* Load images: */
 288   bkg_title = new Surface("images/background/arctis.jpg", false);
 289   logo = new Surface("images/engine/menu/logo.png", true);
 290   //img_choose_subset = new Surface("images/status/choose-level-subset.png", true);
 291
 292   titlesession->get_current_sector()->activate("main");
 293   titlesession->set_current();
 294
 295   Player* player = titlesession->get_current_sector()->player;
 296   player->set_controller(controller);
 297
 298   /* --- Main title loop: --- */
 299   frame = 0;
 300
 301   random_timer.start(float(rand() % 2000 + 2000) / 1000.0);
 302
 303   Uint32 lastticks = SDL_GetTicks();
 304
 305   Menu::set_current(main_menu);
 306   DrawingContext& context = *titlesession->context;
 307   bool running = true;
 308   while (running)
 309     {
 310       // Calculate the movement-factor
 311       Uint32 ticks = SDL_GetTicks();
 312       float elapsed_time = float(ticks - lastticks) / 1000.;
 313       global_time += elapsed_time;
 314       lastticks = ticks;
 315       // 40fps is minimum
 316       if(elapsed_time > .04)
 317         elapsed_time = .04;
 318
 319       /* Lower the speed so that Tux doesn't jump too hectically throught
 320          the demo. */
 321       elapsed_time /= 2;
 322
 323       SDL_Event event;
 324       main_controller->update();
 325       while (SDL_PollEvent(&event)) {
 326         if (Menu::current()) {
 327           Menu::current()->event(event);
 328         }
 329         main_controller->process_event(event);
 330         if (event.type == SDL_QUIT)
 331           throw std::runtime_error("Received window close");
 332       }
 333
 334       /* Draw the background: */
 335       draw_demo(elapsed_time);
 336
 337       if (Menu::current() == main_menu)
 338         context.draw_surface(logo, Vector(SCREEN_WIDTH/2 - logo->w/2, 30),
 339             LAYER_FOREGROUND1+1);
 340
 341       context.draw_text(white_small_text, " SuperTux " PACKAGE_VERSION "\n",
 342               Vector(0, SCREEN_HEIGHT - 50), LEFT_ALLIGN, LAYER_FOREGROUND1);
 343       context.draw_text(white_small_text,
 344         _(
 345 "Copyright (c) 2005 SuperTux Devel Team\n"
 346 "This game comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome to\n"
 347 "redistribute it under certain conditions; see the file COPYING for details.\n"
 348         ),
 349         Vector(0, SCREEN_HEIGHT - 50 + white_small_text->get_height() + 5),
 350         LEFT_ALLIGN, LAYER_FOREGROUND1);
 351
 352       /* Don't draw menu, if quit is true */
 353       Menu* menu = Menu::current();
 354       if(menu)
 355         {
 356           menu->draw(context);
 357           menu->update();
 358
 359           if(menu == main_menu)
 360             {
 361               switch (main_menu->check())
 362                 {
 363                 case MNID_STARTGAME:
 364                   // Start Game, ie. goto the slots menu
 365                   update_load_save_game_menu(load_game_menu);
 366                   break;
 367                 case MNID_LEVELS_CONTRIB:
 368                   // Contrib Menu
 369                   generate_contrib_menu();
 370                   break;
 371 #if 0
 372                 case MNID_LEVELEDITOR: {
 373                   LevelEdtiro* leveleditor = new LevelEditor();
 374                   leveleditor->run();
 375                   delete leveleditor;
 376                   Menu::set_current(main_menu);
 377                   resume_demo();
 378                   break;
 379                 }
 380 #endif
 381                 case MNID_CREDITS:
 382                   sound_manager->stop_music();
 383                   fadeout(500);
 384                   sound_manager->play_music("music/credits.ogg");
 385                   display_text_file("credits.txt");
 386                   sound_manager->stop_music();
 387                   fadeout(500);
 388                   Menu::set_current(main_menu);
 389                   break;
 390                 case MNID_QUITMAINMENU:
 391                   running = false;
 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                   str = "save/slot" + stream.str() + ".stsg";
 410                   printf("Removing: %s\n",str.c_str());
 411                   PHYSFS_delete(str.c_str());
 412                 }
 413
 414                 update_load_save_game_menu(load_game_menu);
 415                 Menu::set_current(main_menu);
 416                 resume_demo();
 417                 }
 418               else if (process_load_game_menu())
 419                 {
 420                   resume_demo();
 421                 }
 422             }
 423           else if(menu == contrib_menu)
 424             {
 425               check_levels_contrib_menu();
 426             }
 427           else if (menu == contrib_subset_menu)
 428             {
 429               check_contrib_subset_menu();
 430             }
 431         }
 432
 433       // reopen menu of user closed it (so that the app doesn't close when user
 434       // accidently hit ESC)
 435       if(Menu::current() == 0) {
 436         Menu::set_current(main_menu);
 437       }
 438
 439       context.do_drawing();
 440       sound_manager->update();
 441
 442       //frame_rate.update();
 443
 444       /* Pause: */
 445       frame++;
 446     }
 447   /* Free surfaces: */
 448
 449   free_contrib_menu();
 450   delete titlesession;
 451   delete bkg_title;
 452   delete logo;
 453   //delete img_choose_subset;
 454 }