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 "title.h"
  41 #include "video/screen.h"
  42 #include "video/surface.h"
  43 #include "gui/menu.h"
  44 #include "timer.h"
  45 #include "lisp/lisp.h"
  46 #include "lisp/parser.h"
  47 #include "level.h"
  48 #include "level_subset.h"
  49 #include "game_session.h"
  50 #include "worldmap.h"
  51 #include "leveleditor.h"
  52 #include "player_status.h"
  53 #include "tile.h"
  54 #include "sector.h"
  55 #include "object/tilemap.h"
  56 #include "object/camera.h"
  57 #include "object/player.h"
  58 #include "resources.h"
  59 #include "gettext.h"
  60 #include "misc.h"
  61 #include "textscroller.h"
  62 #include "file_system.h"
  63 #include "control/joystickkeyboardcontroller.h"
  64 #include "control/codecontroller.h"
  65 #include "main.h"
  66
  67 static Surface* bkg_title;
  68 static Surface* logo;
  69 //static Surface* img_choose_subset;
  70
  71 static bool walking;
  72 static Timer random_timer;
  73
  74 static int frame;
  75
  76 static GameSession* titlesession;
  77 static CodeController* controller;
  78
  79 static std::vector<LevelSubset*> contrib_subsets;
  80 static LevelSubset* current_contrib_subset = 0;
  81
  82 /* If the demo was stopped - because game started, level
  83    editor was excuted, etc - call this when you get back
  84    to the title code.
  85  */
  86 void resume_demo()
  87 {
  88   player_status.reset();
  89   titlesession->get_current_sector()->activate("main");
  90   titlesession->set_current();
  91
  92   //frame_rate.update();
  93 }
  94
  95 void update_load_save_game_menu(Menu* menu)
  96 {
  97   printf("update loadsavemenu.\n");
  98   for(int i = 1; i < 6; ++i) {
  99     MenuItem& item = menu->get_item_by_id(i);
 100     item.kind = MN_ACTION;
 101     item.change_text(slotinfo(i));
 102   }
 103 }
 104
 105 void free_contrib_menu()
 106 {
 107   for(std::vector<LevelSubset*>::iterator i = contrib_subsets.begin();
 108       i != contrib_subsets.end(); ++i)
 109     delete *i;
 110
 111   contrib_subsets.clear();
 112   contrib_menu->clear();
 113 }
 114
 115 void generate_contrib_menu()
 116 {
 117   /** Generating contrib levels list by making use of Level Subset  */
 118   std::set<std::string> level_subsets = FileSystem::dsubdirs("/levels", "info");
 119
 120   free_contrib_menu();
 121
 122   contrib_menu->add_label(_("Contrib Levels"));
 123   contrib_menu->add_hl();
 124
 125   int i = 0;
 126   for (std::set<std::string>::iterator it = level_subsets.begin();
 127       it != level_subsets.end(); ++it)
 128     {
 129       LevelSubset* subset = new LevelSubset();
 130       subset->load(*it);
 131       if(subset->hide_from_contribs) {
 132         delete subset;
 133         continue;
 134       }
 135       contrib_menu->add_submenu(subset->title, contrib_subset_menu, i);
 136       contrib_subsets.push_back(subset);
 137       ++i;
 138     }
 139
 140   contrib_menu->add_hl();
 141   contrib_menu->add_back(_("Back"));
 142
 143   level_subsets.clear();
 144 }
 145
 146 std::string get_level_name(const std::string& filename)
 147 {
 148   try {
 149     lisp::Parser parser;
 150     std::auto_ptr<lisp::Lisp> root (parser.parse(filename));
 151
 152     const lisp::Lisp* level = root->get_lisp("supertux-level");
 153     if(!level)
 154       return "";
 155
 156     std::string name;
 157     level->get("name", name);
 158     return name;
 159   } catch(std::exception& e) {
 160     std::cerr << "Problem getting name of '" << filename << "'.\n";
 161     return "";
 162   }
 163 }
 164
 165 void check_levels_contrib_menu()
 166 {
 167   static int current_subset = -1;
 168
 169   int index = contrib_menu->check();
 170   if (index == -1)
 171     return;
 172
 173   LevelSubset& subset = * (contrib_subsets[index]);
 174
 175   if(subset.has_worldmap) {
 176     WorldMapNS::WorldMap worldmap;
 177     worldmap.set_map_filename(subset.get_worldmap_filename());
 178
 179     // some fading
 180     fadeout(256);
 181     DrawingContext context;
 182     context.draw_text(white_text, "Loading...",
 183         Vector(SCREEN_WIDTH/2, SCREEN_HEIGHT/2), CENTER_ALLIGN, LAYER_FOREGROUND1);
 184     context.do_drawing();
 185
 186     // TODO: slots should be available for contrib maps
 187     worldmap.loadgame(user_dir + "/save/" + subset.name + "-slot1.stsg");
 188     worldmap.display();  // run the map
 189
 190     Menu::set_current(main_menu);
 191     resume_demo();
 192   } else if (current_subset != index) {
 193     current_subset = index;
 194     LevelSubset& subset = * (contrib_subsets[index]);
 195
 196     current_contrib_subset = &subset;
 197
 198     contrib_subset_menu->clear();
 199
 200     contrib_subset_menu->add_label(subset.title);
 201     contrib_subset_menu->add_hl();
 202
 203     for (int i = 0; i < subset.get_num_levels(); ++i)
 204     {
 205       /** get level's title */
 206       std::string filename = subset.get_level_filename(i);
 207       std::string title = get_level_name(filename);
 208       contrib_subset_menu->add_entry(i, title);
 209     }
 210
 211     contrib_subset_menu->add_hl();
 212     contrib_subset_menu->add_back(_("Back"));
 213
 214     titlesession->get_current_sector()->activate("main");
 215     titlesession->set_current();
 216   }
 217 }
 218
 219 void check_contrib_subset_menu()
 220 {
 221   int index = contrib_subset_menu->check();
 222   if (index != -1) {
 223     if (contrib_subset_menu->get_item_by_id(index).kind == MN_ACTION) {
 224       GameSession session(
 225           current_contrib_subset->get_level_filename(index), ST_GL_PLAY);
 226       session.run();
 227       player_status.reset();
 228       Menu::set_current(main_menu);
 229       resume_demo();
 230     }
 231   }
 232 }
 233
 234 void draw_demo(float elapsed_time)
 235 {
 236   static float last_tux_x_pos = -1;
 237   static float last_tux_y_pos = -1;
 238   Sector* sector  = titlesession->get_current_sector();
 239   Player* tux = sector->player;
 240
 241   sector->play_music(LEVEL_MUSIC);
 242
 243   controller->update();
 244   controller->press(Controller::RIGHT);
 245
 246   if(random_timer.check() ||
 247       (walking && fabsf(last_tux_x_pos - tux->get_pos().x)) < .1) {
 248     walking = false;
 249   } else {
 250       if(!walking && fabsf(tux->get_pos().y - last_tux_y_pos) < .1) {
 251         random_timer.start(float(rand() % 3000 + 3000) / 1000.);
 252         walking = true;
 253       }
 254   }
 255   if(!walking)
 256     controller->press(Controller::JUMP);
 257   last_tux_x_pos = tux->get_pos().x;
 258   last_tux_y_pos = tux->get_pos().y;
 259
 260   // Wrap around at the end of the level back to the beginnig
 261   if(sector->solids->get_width() * 32 - 320 < tux->get_pos().x) {
 262     sector->activate("main");
 263     sector->camera->reset(tux->get_pos());
 264   }
 265
 266   sector->update(elapsed_time);
 267   sector->draw(*titlesession->context);
 268 }
 269
 270 /* --- TITLE SCREEN --- */
 271 void title()
 272 {
 273   walking = true;
 274   //LevelEditor* leveleditor;
 275   MusicRef credits_music;
 276   controller = new CodeController();
 277
 278   titlesession = new GameSession(get_resource_filename("levels/misc/menu.stl"),
 279       ST_GL_DEMO_GAME);
 280
 281   /* Load images: */
 282   bkg_title = new Surface(datadir + "/images/background/arctis.jpg", false);
 283   logo = new Surface(datadir + "/images/engine/menu/logo.png", true);
 284   //img_choose_subset = new Surface(datadir + "/images/status/choose-level-subset.png", true);
 285
 286   titlesession->get_current_sector()->activate("main");
 287   titlesession->set_current();
 288
 289   Player* player = titlesession->get_current_sector()->player;
 290   player->set_controller(controller);
 291
 292   /* --- Main title loop: --- */
 293   frame = 0;
 294
 295   random_timer.start(float(rand() % 2000 + 2000) / 1000.0);
 296
 297   Uint32 lastticks = SDL_GetTicks();
 298
 299   Menu::set_current(main_menu);
 300   DrawingContext& context = *titlesession->context;
 301   bool running = true;
 302   while (running)
 303     {
 304       // Calculate the movement-factor
 305       Uint32 ticks = SDL_GetTicks();
 306       float elapsed_time = float(ticks - lastticks) / 1000.;
 307       global_time += elapsed_time;
 308       lastticks = ticks;
 309       // 40fps is minimum
 310       if(elapsed_time > .04)
 311         elapsed_time = .04;
 312
 313       /* Lower the speed so that Tux doesn't jump too hectically throught
 314          the demo. */
 315       elapsed_time /= 2;
 316
 317       SDL_Event event;
 318       main_controller->update();
 319       while (SDL_PollEvent(&event)) {
 320         if (Menu::current()) {
 321           Menu::current()->event(event);
 322         }
 323         main_controller->process_event(event);
 324         if (event.type == SDL_QUIT)
 325           throw std::runtime_error("Received window close");
 326       }
 327
 328       /* Draw the background: */
 329       draw_demo(elapsed_time);
 330
 331       if (Menu::current() == main_menu)
 332         context.draw_surface(logo, Vector(SCREEN_WIDTH/2 - logo->w/2, 30),
 333             LAYER_FOREGROUND1+1);
 334
 335       context.draw_text(white_small_text, " SuperTux " PACKAGE_VERSION "\n",
 336               Vector(0, SCREEN_HEIGHT - 50), LEFT_ALLIGN, LAYER_FOREGROUND1);
 337       context.draw_text(white_small_text,
 338         _(
 339 "Copyright (c) 2005 SuperTux Devel Team\n"
 340 "This game comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome to\n"
 341 "redistribute it under certain conditions; see the file COPYING for details.\n"
 342         ),
 343         Vector(0, SCREEN_HEIGHT - 50 + white_small_text->get_height() + 5),
 344         LEFT_ALLIGN, LAYER_FOREGROUND1);
 345
 346       /* Don't draw menu, if quit is true */
 347       Menu* menu = Menu::current();
 348       if(menu)
 349         {
 350           menu->draw(context);
 351           menu->update();
 352
 353           if(menu == main_menu)
 354             {
 355               switch (main_menu->check())
 356                 {
 357                 case MNID_STARTGAME:
 358                   // Start Game, ie. goto the slots menu
 359                   update_load_save_game_menu(load_game_menu);
 360                   break;
 361                 case MNID_LEVELS_CONTRIB:
 362                   // Contrib Menu
 363                   generate_contrib_menu();
 364                   break;
 365 #if 0
 366                 case MNID_LEVELEDITOR: {
 367                   LevelEdtiro* leveleditor = new LevelEditor();
 368                   leveleditor->run();
 369                   delete leveleditor;
 370                   Menu::set_current(main_menu);
 371                   resume_demo();
 372                   break;
 373                 }
 374 #endif
 375                 case MNID_CREDITS:
 376                   fadeout(500);
 377                   credits_music = sound_manager->load_music(
 378                     get_resource_filename("/music/credits.ogg"));
 379                   sound_manager->play_music(credits_music);
 380                   display_text_file("credits.txt");
 381                   fadeout(500);
 382                   Menu::set_current(main_menu);
 383                   break;
 384                 case MNID_QUITMAINMENU:
 385                   running = false;
 386                   break;
 387                 }
 388             }
 389           else if(menu == options_menu)
 390             {
 391               process_options_menu();
 392             }
 393           else if(menu == load_game_menu)
 394             {
 395               if(event.key.keysym.sym == SDLK_DELETE)
 396                 {
 397                 int slot = menu->get_active_item_id();
 398                 std::stringstream stream;
 399                 stream << slot;
 400                 std::string str = _("Are you sure you want to delete slot") + stream.str() + "?";
 401
 402                 if(confirm_dialog(bkg_title, str.c_str()))
 403                   {
 404                   str = user_dir + "/save/slot" + stream.str() + ".stsg";
 405                   printf("Removing: %s\n",str.c_str());
 406                   remove(str.c_str());
 407                   }
 408
 409                 update_load_save_game_menu(load_game_menu);
 410                 Menu::set_current(main_menu);
 411                 resume_demo();
 412                 }
 413               else if (process_load_game_menu())
 414                 {
 415                   resume_demo();
 416                 }
 417             }
 418           else if(menu == contrib_menu)
 419             {
 420               check_levels_contrib_menu();
 421             }
 422           else if (menu == contrib_subset_menu)
 423             {
 424               check_contrib_subset_menu();
 425             }
 426         }
 427
 428       // reopen menu of user closed it (so that the app doesn't close when user
 429       // accidently hit ESC)
 430       if(Menu::current() == 0) {
 431         Menu::set_current(main_menu);
 432       }
 433
 434       context.do_drawing();
 435
 436       //frame_rate.update();
 437
 438       /* Pause: */
 439       frame++;
 440     }
 441   /* Free surfaces: */
 442
 443   free_contrib_menu();
 444   delete titlesession;
 445   delete bkg_title;
 446   delete logo;
 447   //delete img_choose_subset;
 448 }