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 <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <errno.h>
  29 #include <unistd.h>
  30 #include <cmath>
  31 #include <SDL.h>
  32 #include <SDL_image.h>
  33
  34 #ifndef WIN32
  35 #include <sys/types.h>
  36 #include <ctype.h>
  37 #endif
  38
  39 #include "defines.h"
  40 #include "app/globals.h"
  41 #include "title.h"
  42 #include "video/screen.h"
  43 #include "video/surface.h"
  44 #include "high_scores.h"
  45 #include "gui/menu.h"
  46 #include "timer.h"
  47 #include "special/frame_rate.h"
  48 #include "app/setup.h"
  49 #include "level.h"
  50 #include "level_subset.h"
  51 #include "gameloop.h"
  52 #include "worldmap.h"
  53 #include "leveleditor.h"
  54 #include "scene.h"
  55 #include "player.h"
  56 #include "tile.h"
  57 #include "sector.h"
  58 #include "tilemap.h"
  59 #include "resources.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 Timer2 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 FrameRate frame_rate(100);
  82
  83 /* If the demo was stopped - because game started, level
  84    editor was excuted, etc - call this when you get back
  85    to the title code.
  86  */
  87 void resume_demo()
  88 {
  89   // FIXME: shouldn't be needed if GameSession
  90   // didn't relay on global variables
  91   titlesession->get_current_sector()->activate();
  92   titlesession->set_current();
  93
  94   frame_rate.update();
  95 }
  96
  97 void update_load_save_game_menu(Menu* pmenu)
  98 {
  99   for(int i = 2; i < 7; ++i)
 100     {
 101       // FIXME: Insert a real savegame struct/class here instead of
 102       // doing string vodoo
 103       std::string tmp = slotinfo(i - 1);
 104       pmenu->item[i].kind = MN_ACTION;
 105       pmenu->item[i].change_text(tmp.c_str());
 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->additem(MN_LABEL,_("Contrib Levels"),0,0);
 127   contrib_menu->additem(MN_HL,"",0,0);
 128   int i = 0;
 129
 130   for(std::set<std::string>::iterator it = worldmap_list.begin(); it != worldmap_list.end(); ++it)
 131     {
 132     WorldMapNS::WorldMap worldmap;
 133     worldmap.loadmap((*it).c_str());
 134     contrib_menu->additem(MN_ACTION, worldmap.get_world_title(),0,0, i);
 135     ++i;
 136     }
 137
 138   contrib_menu->additem(MN_HL,"",0,0);
 139
 140   first_level_index = i;
 141   for (std::set<std::string>::iterator it = level_subsets.begin(); it != level_subsets.end(); ++it)
 142     {
 143       LevelSubset* subset = new LevelSubset();
 144       subset->load(*it);
 145       if(subset->hide_from_contribs)
 146         {
 147         delete subset;
 148         continue;
 149         }
 150       contrib_menu->additem(MN_GOTO, subset->title, 0, contrib_subset_menu, i);
 151       contrib_subsets.push_back(subset);
 152       ++i;
 153     }
 154
 155   contrib_menu->additem(MN_HL,"",0,0);
 156   contrib_menu->additem(MN_BACK,_("Back"),0,0);
 157
 158   level_subsets.clear();
 159 }
 160
 161 void check_levels_contrib_menu()
 162 {
 163   static int current_subset = -1;
 164
 165   int index = contrib_menu->check();
 166   if (index == -1)
 167     return;
 168
 169   if((unsigned)index < worldmap_list.size())
 170     {
 171     WorldMapNS::WorldMap worldmap;
 172     std::set<std::string>::iterator it = worldmap_list.begin();
 173     for(int i = index; i > 0; --i)
 174     ++it;
 175
 176     std::string map_filename = *it;
 177
 178     // some fading
 179     fadeout(256);
 180     DrawingContext context;
 181       context.draw_text(white_text, "Loading...",
 182                         Vector(screen->w/2, screen->h/2), CENTER_ALLIGN, LAYER_FOREGROUND1);
 183       context.do_drawing();
 184
 185     worldmap.set_map_filename(map_filename);
 186
 187     // hack to erase the extension
 188     unsigned int ext_pos = it->find_last_of(".");
 189     if(ext_pos != std::string::npos)
 190       map_filename.erase(ext_pos, map_filename.size() - ext_pos);
 191
 192     // TODO: slots should be available for contrib maps
 193     worldmap.loadgame(st_save_dir + "/" + map_filename + "-slot1.stsg");
 194
 195     worldmap.display();  // run the map
 196
 197     Menu::set_current(main_menu);
 198     resume_demo();
 199     }
 200   else if (index < (int)contrib_subsets.size() + first_level_index)
 201     {
 202     index -= first_level_index;
 203     if (current_subset != index)
 204       {
 205       current_subset = index;
 206       // FIXME: This shouln't be busy looping
 207       LevelSubset& subset = * (contrib_subsets[index]);
 208
 209       current_contrib_subset = &subset;
 210
 211       contrib_subset_menu->clear();
 212
 213       contrib_subset_menu->additem(MN_LABEL, subset.title, 0,0);
 214       contrib_subset_menu->additem(MN_HL,"",0,0);
 215
 216       for (int i = 0; i < subset.get_num_levels(); ++i)
 217         {
 218         /** get level's title */
 219         std::string level_title = "<no title>";
 220
 221         std::string filename = subset.get_level_filename(i);
 222         std::string filepath;
 223         filepath = st_dir + "/levels/" + filename;
 224         if (access(filepath.c_str(), R_OK) != 0)
 225         {
 226           filepath = datadir + "/levels/" + filename;
 227           if (access(filepath.c_str(), R_OK) != 0)
 228           {
 229             std::cerr << "Error: Level: couldn't find level: " << filename << std::endl;
 230             continue;
 231           }
 232         }
 233
 234         LispReader* reader = LispReader::load(filepath, "supertux-level");
 235         if(!reader)
 236           {
 237           std::cerr << "Error: Could not open level file. Ignoring...\n";
 238           continue;
 239           }
 240
 241         reader->read_string("name", level_title, true);
 242         delete reader;
 243
 244         contrib_subset_menu->additem(MN_ACTION, level_title, 0, 0, i);
 245         }
 246
 247       contrib_subset_menu->additem(MN_HL,"",0,0);
 248       contrib_subset_menu->additem(MN_BACK, _("Back"), 0, 0);
 249
 250       titlesession->get_current_sector()->activate();
 251       titlesession->set_current();
 252       }
 253     }
 254 }
 255
 256 void check_contrib_subset_menu()
 257 {
 258   int index = contrib_subset_menu->check();
 259   if (index != -1)
 260     {
 261       if (contrib_subset_menu->get_item_by_id(index).kind == MN_ACTION)
 262         {
 263           std::cout << "Starting level: " << index << std::endl;
 264
 265           GameSession session(
 266               current_contrib_subset->get_level_filename(index), ST_GL_PLAY);
 267           session.run();
 268           player_status.reset();
 269           Menu::set_current(main_menu);
 270           resume_demo();
 271         }
 272     }
 273 }
 274
 275 void draw_demo(float elapsed_time)
 276 {
 277   Sector* world  = titlesession->get_current_sector();
 278   Player* tux = world->player;
 279
 280   world->play_music(LEVEL_MUSIC);
 281
 282   tux->key_event((SDLKey) keymap.right,DOWN);
 283
 284   if(random_timer.check()) {
 285     random_timer.start(float(rand() % 3000 + 3000) / 1000.);
 286     walking = !walking;
 287   } else {
 288       if(walking)
 289         tux->key_event((SDLKey) keymap.jump,UP);
 290       else
 291         tux->key_event((SDLKey) keymap.jump,DOWN);
 292   }
 293
 294   // Wrap around at the end of the level back to the beginnig
 295   if(world->solids->get_width() * 32 - 320 < tux->get_pos().x)
 296     {
 297       tux->level_begin();
 298       world->camera->reset(tux->get_pos());
 299     }
 300
 301   tux->can_jump = true;
 302   float last_tux_x_pos = tux->get_pos().x;
 303   world->action(elapsed_time);
 304
 305
 306   // disabled for now, since with the new jump code we easily get deadlocks
 307   // Jump if tux stays in the same position for one loop, ie. if he is
 308   // stuck behind a wall
 309   if (last_tux_x_pos == tux->get_pos().x)
 310     {
 311       walking = false;
 312     }
 313
 314   world->draw(*titlesession->context);
 315 }
 316
 317 /* --- TITLE SCREEN --- */
 318 void title(void)
 319 {
 320   walking = true;
 321   LevelEditor* leveleditor;
 322
 323   Ticks::pause_init();
 324
 325   titlesession = new GameSession("misc/menu.stl", ST_GL_DEMO_GAME);
 326
 327   /* Load images: */
 328   bkg_title = new Surface(datadir + "/images/background/arctis.jpg", false);
 329   logo = new Surface(datadir + "/images/title/logo.png", true);
 330   img_choose_subset = new Surface(datadir + "/images/status/choose-level-subset.png", true);
 331
 332   /* Generating contrib maps by only using a string_list */
 333   worldmap_list = FileSystem::dfiles("levels/worldmap", "", "icyisland.stwm");
 334
 335   titlesession->get_current_sector()->activate();
 336   titlesession->set_current();
 337
 338   /* --- Main title loop: --- */
 339   frame = 0;
 340
 341   random_timer.start(float(rand() % 2000 + 2000) / 1000.0);
 342
 343   Uint32 lastticks = SDL_GetTicks();
 344
 345   Menu::set_current(main_menu);
 346   DrawingContext& context = *titlesession->context;
 347   while (Menu::current())
 348     {
 349       // Calculate the movement-factor
 350       Uint32 ticks = SDL_GetTicks();
 351       float elapsed_time = float(ticks - lastticks) / 1000.;
 352       global_time += elapsed_time;
 353       lastticks = ticks;
 354       // 40fps is minimum
 355       if(elapsed_time > .04)
 356         elapsed_time = .04;
 357
 358       /* Lower the speed so that Tux doesn't jump too hectically throught
 359          the demo. */
 360       elapsed_time /= 2;
 361
 362       SDL_Event event;
 363       while (SDL_PollEvent(&event))
 364         {
 365           if (Menu::current())
 366             {
 367               Menu::current()->event(event);
 368             }
 369          // FIXME: QUIT signal should be handled more generic, not locally
 370           if (event.type == SDL_QUIT)
 371             Menu::set_current(0);
 372         }
 373
 374       /* Draw the background: */
 375       draw_demo(elapsed_time);
 376
 377
 378       if (Menu::current() == main_menu)
 379         context.draw_surface(logo, Vector(screen->w/2 - logo->w/2, 30),
 380             LAYER_FOREGROUND1+1);
 381
 382       context.draw_text(white_small_text, " SuperTux " PACKAGE_VERSION "\n",
 383               Vector(0, screen->h - 70), LEFT_ALLIGN, LAYER_FOREGROUND1);
 384       context.draw_text(white_small_text,
 385         _("Copyright (c) 2003 SuperTux Devel Team\n"
 386           "This game comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
 387           "are welcome to redistribute it under certain conditions; see the file COPYING\n"
 388           "for details.\n"), Vector(0, screen->h - 70 + white_small_text->get_height()), LEFT_ALLIGN, LAYER_FOREGROUND1);
 389
 390       /* Don't draw menu, if quit is true */
 391       Menu* menu = Menu::current();
 392       if(menu)
 393         {
 394           menu->draw(context);
 395           menu->action();
 396
 397           if(menu == main_menu)
 398             {
 399               switch (main_menu->check())
 400                 {
 401                 case MNID_STARTGAME:
 402                   // Start Game, ie. goto the slots menu
 403                   update_load_save_game_menu(load_game_menu);
 404                   break;
 405                 case MNID_LEVELS_CONTRIB:
 406                   // Contrib Menu
 407                   puts("Entering contrib menu");
 408                   generate_contrib_menu();
 409                   break;
 410                 case MNID_LEVELEDITOR:
 411                   leveleditor = new LevelEditor();
 412                   leveleditor->run();
 413                   delete leveleditor;
 414                   Menu::set_current(main_menu);
 415                   resume_demo();
 416                   break;
 417                 case MNID_CREDITS:
 418                   fadeout(500);
 419                   display_text_file("credits.txt", SCROLL_SPEED_CREDITS, white_big_text , white_text, white_small_text, blue_text );
 420                   fadeout(500);
 421                   Menu::set_current(main_menu);
 422                   break;
 423                 case MNID_QUITMAINMENU:
 424                   Menu::set_current(0);
 425                   break;
 426                 }
 427             }
 428           else if(menu == options_menu)
 429             {
 430               process_options_menu();
 431             }
 432           else if(menu == load_game_menu)
 433             {
 434               if(event.key.keysym.sym == SDLK_DELETE)
 435                 {
 436                 int slot = menu->get_active_item_id();
 437                 std::stringstream stream;
 438                 stream << slot;
 439                 std::string str = _("Are you sure you want to delete slot") + stream.str() + "?";
 440
 441                 if(confirm_dialog(bkg_title, str.c_str()))
 442                   {
 443                   str = st_save_dir + "/slot" + stream.str() + ".stsg";
 444                   printf("Removing: %s\n",str.c_str());
 445                   remove(str.c_str());
 446                   }
 447
 448                 update_load_save_game_menu(load_game_menu);
 449                 Menu::set_current(main_menu);
 450                 resume_demo();
 451                 }
 452               else if (process_load_game_menu())
 453                 {
 454                   resume_demo();
 455                 }
 456             }
 457           else if(menu == contrib_menu)
 458             {
 459               check_levels_contrib_menu();
 460             }
 461           else if (menu == contrib_subset_menu)
 462             {
 463               check_contrib_subset_menu();
 464             }
 465         }
 466
 467       mouse_cursor->draw(context);
 468
 469       context.do_drawing();
 470
 471       frame_rate.update();
 472
 473       /* Pause: */
 474       frame++;
 475     }
 476   /* Free surfaces: */
 477
 478   free_contrib_menu();
 479   worldmap_list.clear();
 480   delete titlesession;
 481   delete bkg_title;
 482   delete logo;
 483   delete img_choose_subset;
 484 }
 485
 486
 487 // EOF //
 488