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 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(double frame_ratio)
 276 {
 277   Sector* world  = titlesession->get_current_sector();
 278   Player* tux = world->player;
 279
 280   world->play_music(LEVEL_MUSIC);
 281
 282   global_frame_counter++;
 283   tux->key_event((SDLKey) keymap.right,DOWN);
 284
 285   if(random_timer.check())
 286     {
 287       if(walking)
 288         tux->key_event((SDLKey) keymap.jump,UP);
 289       else
 290         tux->key_event((SDLKey) keymap.jump,DOWN);
 291     }
 292   else
 293     {
 294       random_timer.start(rand() % 3000 + 3000);
 295       walking = !walking;
 296     }
 297
 298   // Wrap around at the end of the level back to the beginnig
 299   if(world->solids->get_width() * 32 - 320 < tux->base.x)
 300     {
 301       tux->level_begin();
 302       world->camera->reset(Vector(tux->base.x, tux->base.y));
 303     }
 304
 305   tux->can_jump = true;
 306   float last_tux_x_pos = tux->base.x;
 307   world->action(frame_ratio);
 308
 309
 310   // disabled for now, since with the new jump code we easily get deadlocks
 311   // Jump if tux stays in the same position for one loop, ie. if he is
 312   // stuck behind a wall
 313   if (last_tux_x_pos == tux->base.x)
 314     {
 315       walking = false;
 316     }
 317
 318   world->draw(*titlesession->context);
 319 }
 320
 321 /* --- TITLE SCREEN --- */
 322 void title(void)
 323 {
 324   walking = true;
 325   LevelEditor* leveleditor;
 326
 327   random_timer.init(true);
 328   Ticks::pause_init();
 329
 330   titlesession = new GameSession("misc/menu.stl", ST_GL_DEMO_GAME);
 331
 332   /* Load images: */
 333   bkg_title = new Surface(datadir + "/images/background/arctis.jpg", false);
 334   logo = new Surface(datadir + "/images/title/logo.png", true);
 335   img_choose_subset = new Surface(datadir + "/images/status/choose-level-subset.png", true);
 336
 337   /* Generating contrib maps by only using a string_list */
 338   worldmap_list = FileSystem::dfiles("levels/worldmap", "", "icyisland.stwm");
 339
 340   titlesession->get_current_sector()->activate();
 341   titlesession->set_current();
 342
 343   /* --- Main title loop: --- */
 344   frame = 0;
 345
 346   frame_rate.set_frame_limit(false);
 347
 348   random_timer.start(rand() % 2000 + 2000);
 349
 350   Menu::set_current(main_menu);
 351   DrawingContext& context = *titlesession->context;
 352   while (Menu::current())
 353     {
 354       // if we spent to much time on a menu entry
 355       frame_rate.smooth_hanger();
 356
 357       // Calculate the movement-factor
 358       double frame_ratio = frame_rate.get();
 359
 360       if(frame_ratio > 1.5) /* Quick hack to correct the unprecise CPU clocks a little bit. */
 361         frame_ratio = 1.5 + (frame_ratio - 1.5) * 0.85;
 362       /* Lower the frame_ratio that Tux doesn't jump to hectically throught the demo. */
 363       frame_ratio /= 2;
 364
 365       SDL_Event event;
 366       while (SDL_PollEvent(&event))
 367         {
 368           if (Menu::current())
 369             {
 370               Menu::current()->event(event);
 371             }
 372          // FIXME: QUIT signal should be handled more generic, not locally
 373           if (event.type == SDL_QUIT)
 374             Menu::set_current(0);
 375         }
 376
 377       /* Draw the background: */
 378       draw_demo(frame_ratio);
 379
 380
 381       if (Menu::current() == main_menu)
 382         context.draw_surface(logo, Vector(screen->w/2 - logo->w/2, 30),
 383             LAYER_FOREGROUND1+1);
 384
 385       context.draw_text(white_small_text, " SuperTux " VERSION "\n", Vector(0, screen->h - 70), LEFT_ALLIGN, LAYER_FOREGROUND1);
 386       context.draw_text(white_small_text,
 387         _("Copyright (c) 2003 SuperTux Devel Team\n"
 388           "This game comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
 389           "are welcome to redistribute it under certain conditions; see the file COPYING\n"
 390           "for details.\n"), Vector(0, screen->h - 70 + white_small_text->get_height()), LEFT_ALLIGN, LAYER_FOREGROUND1);
 391
 392       /* Don't draw menu, if quit is true */
 393       Menu* menu = Menu::current();
 394       if(menu)
 395         {
 396           menu->draw(context);
 397           menu->action();
 398
 399           if(menu == main_menu)
 400             {
 401               switch (main_menu->check())
 402                 {
 403                 case MNID_STARTGAME:
 404                   // Start Game, ie. goto the slots menu
 405                   update_load_save_game_menu(load_game_menu);
 406                   break;
 407                 case MNID_LEVELS_CONTRIB:
 408                   // Contrib Menu
 409                   puts("Entering contrib menu");
 410                   generate_contrib_menu();
 411                   break;
 412                 case MNID_LEVELEDITOR:
 413                   leveleditor = new LevelEditor();
 414                   leveleditor->run();
 415                   delete leveleditor;
 416                   Menu::set_current(main_menu);
 417                   resume_demo();
 418                   break;
 419                 case MNID_CREDITS:
 420                   fadeout(500);
 421                   display_text_file("CREDITS", SCROLL_SPEED_CREDITS, white_big_text , white_text, white_small_text, blue_text );
 422                   fadeout(500);
 423                   Menu::set_current(main_menu);
 424                   break;
 425                 case MNID_QUITMAINMENU:
 426                   Menu::set_current(0);
 427                   break;
 428                 }
 429             }
 430           else if(menu == options_menu)
 431             {
 432               process_options_menu();
 433             }
 434           else if(menu == load_game_menu)
 435             {
 436               if(event.key.keysym.sym == SDLK_DELETE)
 437                 {
 438                 int slot = menu->get_active_item_id();
 439                 std::stringstream stream;
 440                 stream << slot;
 441                 std::string str = _("Are you sure you want to delete slot") + stream.str() + "?";
 442
 443                 if(confirm_dialog(bkg_title, str.c_str()))
 444                   {
 445                   str = st_save_dir + "/slot" + stream.str() + ".stsg";
 446                   printf("Removing: %s\n",str.c_str());
 447                   remove(str.c_str());
 448                   }
 449
 450                 update_load_save_game_menu(load_game_menu);
 451                 Menu::set_current(main_menu);
 452                 resume_demo();
 453                 }
 454               else if (process_load_game_menu())
 455                 {
 456                   resume_demo();
 457                 }
 458             }
 459           else if(menu == contrib_menu)
 460             {
 461               check_levels_contrib_menu();
 462             }
 463           else if (menu == contrib_subset_menu)
 464             {
 465               check_contrib_subset_menu();
 466             }
 467         }
 468
 469       mouse_cursor->draw(context);
 470
 471       context.do_drawing();
 472
 473       frame_rate.update();
 474
 475       /* Pause: */
 476       frame++;
 477       SDL_Delay(25);
 478     }
 479   /* Free surfaces: */
 480
 481   free_contrib_menu();
 482   worldmap_list.clear();
 483   delete titlesession;
 484   delete bkg_title;
 485   delete logo;
 486   delete img_choose_subset;
 487 }
 488
 489
 490 // EOF //
 491