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 void update_load_save_game_menu(Menu* pmenu)
  84 {
  85   for(int i = 2; i < 7; ++i)
  86     {
  87       // FIXME: Insert a real savegame struct/class here instead of
  88       // doing string vodoo
  89       std::string tmp = slotinfo(i - 1);
  90       pmenu->item[i].kind = MN_ACTION;
  91       pmenu->item[i].change_text(tmp.c_str());
  92     }
  93 }
  94
  95 void free_contrib_menu()
  96 {
  97   for(std::vector<LevelSubset*>::iterator i = contrib_subsets.begin();
  98       i != contrib_subsets.end(); ++i)
  99     delete *i;
 100
 101   contrib_subsets.clear();
 102   contrib_menu->clear();
 103 }
 104
 105 void generate_contrib_menu()
 106 {
 107   /** Generating contrib levels list by making use of Level Subset */
 108   std::set<std::string> level_subsets = FileSystem::dsubdirs("/levels", "info");
 109
 110   free_contrib_menu();
 111
 112   contrib_menu->additem(MN_LABEL,_("Contrib Levels"),0,0);
 113   contrib_menu->additem(MN_HL,"",0,0);
 114   int i = 0;
 115
 116   for(std::set<std::string>::iterator it = worldmap_list.begin(); it != worldmap_list.end(); ++it)
 117     {
 118     WorldMapNS::WorldMap worldmap;
 119     worldmap.loadmap((*it).c_str());
 120     contrib_menu->additem(MN_ACTION, worldmap.get_world_title(),0,0, i);
 121     ++i;
 122     }
 123
 124   contrib_menu->additem(MN_HL,"",0,0);
 125
 126   first_level_index = i;
 127   for (std::set<std::string>::iterator it = level_subsets.begin(); it != level_subsets.end(); ++it)
 128     {
 129       LevelSubset* subset = new LevelSubset();
 130       subset->load(*it);
 131       if(subset->hide_from_contribs)
 132         {
 133         delete subset;
 134         continue;
 135         }
 136       contrib_menu->additem(MN_GOTO, subset->title, 0, contrib_subset_menu, i);
 137       contrib_subsets.push_back(subset);
 138       ++i;
 139     }
 140
 141   contrib_menu->additem(MN_HL,"",0,0);
 142   contrib_menu->additem(MN_BACK,_("Back"),0,0);
 143
 144   level_subsets.clear();
 145 }
 146
 147 void check_levels_contrib_menu()
 148 {
 149   static int current_subset = -1;
 150
 151   int index = contrib_menu->check();
 152   if (index == -1)
 153     return;
 154
 155   if((unsigned)index < worldmap_list.size())
 156     {
 157     WorldMapNS::WorldMap worldmap;
 158     std::set<std::string>::iterator it = worldmap_list.begin();
 159     for(int i = index; i > 0; --i)
 160     ++it;
 161
 162     std::string map_filename = *it;
 163
 164     // some fading
 165     fadeout(256);
 166     DrawingContext context;
 167       context.draw_text(white_text, "Loading...",
 168                         Vector(screen->w/2, screen->h/2), CENTER_ALLIGN, LAYER_FOREGROUND1);
 169       context.do_drawing();
 170
 171     worldmap.set_map_filename(map_filename);
 172
 173     // hack to erase the extension
 174     unsigned int ext_pos = it->find_last_of(".");
 175     if(ext_pos != std::string::npos)
 176       map_filename.erase(ext_pos, map_filename.size() - ext_pos);
 177
 178     // TODO: slots should be available for contrib maps
 179     worldmap.loadgame(st_save_dir + "/" + map_filename + "-slot1.stsg");
 180
 181     worldmap.display();  // run the map
 182
 183     Menu::set_current(main_menu);
 184     }
 185   else if (index < (int)contrib_subsets.size() + first_level_index)
 186     {
 187     index -= first_level_index;
 188     if (current_subset != index)
 189       {
 190       current_subset = index;
 191       // FIXME: This shouln't be busy looping
 192       LevelSubset& subset = * (contrib_subsets[index]);
 193
 194       current_contrib_subset = &subset;
 195
 196       contrib_subset_menu->clear();
 197
 198       contrib_subset_menu->additem(MN_LABEL, subset.title, 0,0);
 199       contrib_subset_menu->additem(MN_HL,"",0,0);
 200
 201       for (int i = 0; i < subset.get_num_levels(); ++i)
 202         {
 203         /** get level's title */
 204         std::string level_title = "<no title>";
 205
 206         LispReader* reader = LispReader::load(subset.get_level_filename(i), "supertux-level");
 207         if(!reader)
 208           {
 209           std::cerr << "Error: Could not open level file. Ignoring...\n";
 210           continue;
 211           }
 212
 213         reader->read_string("name", level_title, true);
 214         delete reader;
 215
 216         contrib_subset_menu->additem(MN_ACTION, level_title, 0, 0, i);
 217         }
 218
 219       contrib_subset_menu->additem(MN_HL,"",0,0);
 220       contrib_subset_menu->additem(MN_BACK, _("Back"), 0, 0);
 221
 222       titlesession->get_current_sector()->activate();
 223       titlesession->set_current();
 224       }
 225     }
 226 }
 227
 228 void check_contrib_subset_menu()
 229 {
 230   int index = contrib_subset_menu->check();
 231   if (index != -1)
 232     {
 233       if (contrib_subset_menu->get_item_by_id(index).kind == MN_ACTION)
 234         {
 235           std::cout << "Starting level: " << index << std::endl;
 236
 237           GameSession session(
 238               current_contrib_subset->get_level_filename(index), ST_GL_PLAY);
 239           session.run();
 240           player_status.reset();
 241           Menu::set_current(main_menu);
 242           titlesession->get_current_sector()->activate();
 243           titlesession->set_current();
 244         }
 245     }
 246 }
 247
 248 /* If the demo was stopped - because game started, level
 249    editor was excuted, etc - call this when you get back
 250    to the title code.
 251  */
 252 void resume_demo()
 253 {
 254   // FIXME: shouldn't be needed if GameSession
 255   // didn't relay on global variables
 256   titlesession->get_current_sector()->activate();
 257   titlesession->set_current();
 258
 259   frame_rate.update();
 260 }
 261
 262 void draw_demo(double frame_ratio)
 263 {
 264   Sector* world  = titlesession->get_current_sector();
 265   Player* tux = world->player;
 266
 267   world->play_music(LEVEL_MUSIC);
 268
 269   global_frame_counter++;
 270   tux->key_event((SDLKey) keymap.right,DOWN);
 271
 272   if(random_timer.check())
 273     {
 274       if(walking)
 275         tux->key_event((SDLKey) keymap.jump,UP);
 276       else
 277         tux->key_event((SDLKey) keymap.jump,DOWN);
 278     }
 279   else
 280     {
 281       random_timer.start(rand() % 3000 + 3000);
 282       walking = !walking;
 283     }
 284
 285   // Wrap around at the end of the level back to the beginnig
 286   if(world->solids->get_width() * 32 - 320 < tux->base.x)
 287     {
 288       tux->level_begin();
 289       world->camera->reset(Vector(tux->base.x, tux->base.y));
 290     }
 291
 292   tux->can_jump = true;
 293   float last_tux_x_pos = tux->base.x;
 294   world->action(frame_ratio);
 295
 296
 297   // disabled for now, since with the new jump code we easily get deadlocks
 298   // Jump if tux stays in the same position for one loop, ie. if he is
 299   // stuck behind a wall
 300   if (last_tux_x_pos == tux->base.x)
 301     {
 302       walking = false;
 303     }
 304
 305   world->draw(*titlesession->context);
 306 }
 307
 308 /* --- TITLE SCREEN --- */
 309 void title(void)
 310 {
 311   walking = true;
 312   LevelEditor* leveleditor;
 313
 314   random_timer.init(true);
 315   Ticks::pause_init();
 316
 317   titlesession = new GameSession(datadir + "/levels/misc/menu.stl", ST_GL_DEMO_GAME);
 318
 319   /* Load images: */
 320   bkg_title = new Surface(datadir + "/images/background/arctis.jpg", false);
 321   logo = new Surface(datadir + "/images/title/logo.png", true);
 322   img_choose_subset = new Surface(datadir + "/images/status/choose-level-subset.png", true);
 323
 324   /* Generating contrib maps by only using a string_list */
 325   worldmap_list = FileSystem::dfiles("levels/worldmap", "", "icyisland.stwm");
 326
 327   titlesession->get_current_sector()->activate();
 328   titlesession->set_current();
 329
 330   /* --- Main title loop: --- */
 331   frame = 0;
 332
 333   frame_rate.set_frame_limit(false);
 334
 335   random_timer.start(rand() % 2000 + 2000);
 336
 337   Menu::set_current(main_menu);
 338   DrawingContext& context = *titlesession->context;
 339   while (Menu::current())
 340     {
 341       // if we spent to much time on a menu entry
 342       frame_rate.smooth_hanger();
 343
 344       // Calculate the movement-factor
 345       double frame_ratio = frame_rate.get();
 346
 347       if(frame_ratio > 1.5) /* Quick hack to correct the unprecise CPU clocks a little bit. */
 348         frame_ratio = 1.5 + (frame_ratio - 1.5) * 0.85;
 349       /* Lower the frame_ratio that Tux doesn't jump to hectically throught the demo. */
 350       frame_ratio /= 2;
 351
 352       SDL_Event event;
 353       while (SDL_PollEvent(&event))
 354         {
 355           if (Menu::current())
 356             {
 357               Menu::current()->event(event);
 358             }
 359          // FIXME: QUIT signal should be handled more generic, not locally
 360           if (event.type == SDL_QUIT)
 361             Menu::set_current(0);
 362         }
 363
 364       /* Draw the background: */
 365       draw_demo(frame_ratio);
 366
 367
 368       if (Menu::current() == main_menu)
 369         context.draw_surface(logo, Vector(screen->w/2 - logo->w/2, 30),
 370             LAYER_FOREGROUND1+1);
 371
 372       context.draw_text(white_small_text, " SuperTux " VERSION "\n", Vector(0, screen->h - 70), LEFT_ALLIGN, LAYER_FOREGROUND1);
 373       context.draw_text(white_small_text,
 374         _("Copyright (c) 2003 SuperTux Devel Team\n"
 375           "This game comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
 376           "are welcome to redistribute it under certain conditions; see the file COPYING\n"
 377           "for details.\n"), Vector(0, screen->h - 70 + white_small_text->get_height()), LEFT_ALLIGN, LAYER_FOREGROUND1);
 378
 379       /* Don't draw menu, if quit is true */
 380       Menu* menu = Menu::current();
 381       if(menu)
 382         {
 383           menu->draw(context);
 384           menu->action();
 385
 386           if(menu == main_menu)
 387             {
 388               switch (main_menu->check())
 389                 {
 390                 case MNID_STARTGAME:
 391                   // Start Game, ie. goto the slots menu
 392                   update_load_save_game_menu(load_game_menu);
 393                   break;
 394                 case MNID_LEVELS_CONTRIB:
 395                   // Contrib Menu
 396                   puts("Entering contrib menu");
 397                   generate_contrib_menu();
 398                   break;
 399                 case MNID_LEVELEDITOR:
 400                   leveleditor = new LevelEditor();
 401                   leveleditor->run();
 402                   delete leveleditor;
 403                   Menu::set_current(main_menu);
 404                   resume_demo();
 405                   break;
 406                 case MNID_CREDITS:
 407                   fadeout(500);
 408                   display_text_file("CREDITS", SCROLL_SPEED_CREDITS, white_big_text , white_text, white_small_text, blue_text );
 409                   fadeout(500);
 410                   Menu::set_current(main_menu);
 411                   break;
 412                 case MNID_QUITMAINMENU:
 413                   Menu::set_current(0);
 414                   break;
 415                 }
 416             }
 417           else if(menu == options_menu)
 418             {
 419               process_options_menu();
 420             }
 421           else if(menu == load_game_menu)
 422             {
 423               if(event.key.keysym.sym == SDLK_DELETE)
 424                 {
 425                 int slot = menu->get_active_item_id();
 426                 std::stringstream stream;
 427                 stream << slot;
 428                 std::string str = _("Are you sure you want to delete slot") + stream.str() + "?";
 429
 430                 if(confirm_dialog(bkg_title, str.c_str()))
 431                   {
 432                   str = st_save_dir + "/slot" + stream.str() + ".stsg";
 433                   printf("Removing: %s\n",str.c_str());
 434                   remove(str.c_str());
 435                   }
 436
 437                 update_load_save_game_menu(load_game_menu);
 438                 Menu::set_current(main_menu);
 439                 resume_demo();
 440                 }
 441               else if (process_load_game_menu())
 442                 {
 443                   resume_demo();
 444                 }
 445             }
 446           else if(menu == contrib_menu)
 447             {
 448               check_levels_contrib_menu();
 449             }
 450           else if (menu == contrib_subset_menu)
 451             {
 452               check_contrib_subset_menu();
 453             }
 454         }
 455
 456       mouse_cursor->draw(context);
 457
 458       context.do_drawing();
 459
 460       frame_rate.update();
 461
 462       /* Pause: */
 463       frame++;
 464       SDL_Delay(25);
 465     }
 466   /* Free surfaces: */
 467
 468   free_contrib_menu();
 469   worldmap_list.clear();
 470   delete titlesession;
 471   delete bkg_title;
 472   delete logo;
 473   delete img_choose_subset;
 474 }
 475
 476
 477 // EOF //
 478