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
  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
  74 static std::vector<LevelSubset*> contrib_subsets;
  75 static LevelSubset* current_contrib_subset = 0;
  76
  77 static std::set<std::string> worldmap_list;
  78
  79 static LevelEditor* leveleditor;
  80
  81 void update_load_save_game_menu(Menu* pmenu)
  82 {
  83   for(int i = 2; i < 7; ++i)
  84     {
  85       // FIXME: Insert a real savegame struct/class here instead of
  86       // doing string vodoo
  87       std::string tmp = slotinfo(i - 1);
  88       pmenu->item[i].kind = MN_ACTION;
  89       pmenu->item[i].change_text(tmp.c_str());
  90     }
  91 }
  92
  93 void free_contrib_menu()
  94 {
  95   for(std::vector<LevelSubset*>::iterator i = contrib_subsets.begin();
  96       i != contrib_subsets.end(); ++i)
  97     delete *i;
  98
  99   contrib_subsets.clear();
 100   contrib_menu->clear();
 101 }
 102
 103 void generate_contrib_menu()
 104 {
 105
 106   /** Generating contrib levels list by making use of Level Subset */
 107   std::set<std::string> level_subsets = FileSystem::dsubdirs("/levels", "info");
 108
 109   free_contrib_menu();
 110
 111   contrib_menu->additem(MN_LABEL,_("Contrib Levels"),0,0);
 112   contrib_menu->additem(MN_HL,"",0,0);
 113
 114   int i = 0;
 115   for (std::set<std::string>::iterator it = level_subsets.begin(); it != level_subsets.end(); ++it)
 116     {
 117       LevelSubset* subset = new LevelSubset();
 118       subset->load((*it).c_str());
 119       contrib_menu->additem(MN_GOTO, subset->title.c_str(), i,
 120           contrib_subset_menu);
 121       contrib_subsets.push_back(subset);
 122       ++i;
 123     }
 124
 125   i = 0;
 126   for(std::set<std::string>::iterator it = worldmap_list.begin(); it != worldmap_list.end(); ++it)
 127     {
 128     WorldMapNS::WorldMap worldmap;
 129     worldmap.loadmap((*it).c_str());
 130     contrib_menu->additem(MN_ACTION, worldmap.get_world_title(),0,0, i + level_subsets.size());
 131     ++i;
 132     }
 133
 134   contrib_menu->additem(MN_HL,"",0,0);
 135   contrib_menu->additem(MN_BACK,_("Back"),0,0);
 136
 137   level_subsets.clear();
 138 }
 139
 140 void check_levels_contrib_menu()
 141 {
 142   static int current_subset = -1;
 143
 144   int index = contrib_menu->check();
 145   if (index == -1)
 146     return;
 147
 148   if (index < (int)contrib_subsets.size())
 149     {
 150     if (current_subset != index)
 151       {
 152       current_subset = index;
 153       // FIXME: This shouln't be busy looping
 154       LevelSubset& subset = * (contrib_subsets[index]);
 155
 156       current_contrib_subset = &subset;
 157
 158       contrib_subset_menu->clear();
 159
 160       contrib_subset_menu->additem(MN_LABEL, subset.title, 0,0);
 161       contrib_subset_menu->additem(MN_HL,"",0,0);
 162
 163       for (int i = 0; i < subset.get_num_levels(); ++i)
 164         {
 165         /** get level's title */
 166         std::string level_title = "<no title>";
 167
 168         LispReader* reader = LispReader::load(subset.get_level_filename(i), "supertux-level");
 169         if(!reader)
 170           {
 171           std::cerr << "Error: Could not open level file. Ignoring...\n";
 172           return;
 173           }
 174
 175         reader->read_string("name", level_title, true);
 176         delete reader;
 177
 178         contrib_subset_menu->additem(MN_ACTION, level_title, 0, 0, i);
 179         }
 180
 181       contrib_subset_menu->additem(MN_HL,"",0,0);
 182       contrib_subset_menu->additem(MN_BACK, _("Back"), 0, 0);
 183
 184       titlesession->get_current_sector()->activate();
 185       titlesession->set_current();
 186       }
 187     }
 188   else if((unsigned)index < worldmap_list.size() + (int)contrib_subsets.size())
 189     {
 190     WorldMapNS::WorldMap worldmap;
 191     std::set<std::string>::iterator it = worldmap_list.begin();
 192     for(int i = index - contrib_subsets.size(); i > 0; --i)
 193     ++it;
 194     worldmap.loadmap((*it));
 195     worldmap.display();
 196
 197     Menu::set_current(main_menu);
 198     }
 199 }
 200
 201 void check_contrib_subset_menu()
 202 {
 203   int index = contrib_subset_menu->check();
 204   if (index != -1)
 205     {
 206       if (contrib_subset_menu->get_item_by_id(index).kind == MN_ACTION)
 207         {
 208           std::cout << "Starting level: " << index << std::endl;
 209
 210           GameSession session(
 211               current_contrib_subset->get_level_filename(index), ST_GL_PLAY);
 212           session.run();
 213           player_status.reset();
 214           Menu::set_current(main_menu);
 215           titlesession->get_current_sector()->activate();
 216           titlesession->set_current();
 217         }
 218     }
 219 }
 220
 221 void draw_demo(double frame_ratio)
 222 {
 223   Sector* world  = titlesession->get_current_sector();
 224   Player* tux = world->player;
 225
 226   world->play_music(LEVEL_MUSIC);
 227
 228   global_frame_counter++;
 229   tux->key_event((SDLKey) keymap.right,DOWN);
 230
 231   if(random_timer.check())
 232     {
 233       if(walking)
 234         tux->key_event((SDLKey) keymap.jump,UP);
 235       else
 236         tux->key_event((SDLKey) keymap.jump,DOWN);
 237     }
 238   else
 239     {
 240       random_timer.start(rand() % 3000 + 3000);
 241       walking = !walking;
 242     }
 243
 244   // Wrap around at the end of the level back to the beginnig
 245   if(world->solids->get_width() * 32 - 320 < tux->base.x)
 246     {
 247       tux->level_begin();
 248     }
 249
 250   tux->can_jump = true;
 251   float last_tux_x_pos = tux->base.x;
 252   world->action(frame_ratio);
 253
 254
 255   // disabled for now, since with the new jump code we easily get deadlocks
 256   // Jump if tux stays in the same position for one loop, ie. if he is
 257   // stuck behind a wall
 258   if (last_tux_x_pos == tux->base.x)
 259     {
 260       walking = false;
 261     }
 262
 263   world->draw(*titlesession->context);
 264 }
 265
 266 /* --- TITLE SCREEN --- */
 267 void title(void)
 268 {
 269   random_timer.init(true);
 270
 271   walking = true;
 272
 273   Ticks::pause_init();
 274
 275   titlesession = new GameSession(datadir + "/levels/misc/menu.stl", ST_GL_DEMO_GAME);
 276
 277   /* Load images: */
 278   bkg_title = new Surface(datadir + "/images/background/arctis.jpg", false);
 279   logo = new Surface(datadir + "/images/title/logo.png", true);
 280   img_choose_subset = new Surface(datadir + "/images/status/choose-level-subset.png", true);
 281
 282   /* Generating contrib maps by only using a string_list */
 283   worldmap_list = FileSystem::dfiles("levels/worldmap", "", "icyisland.stwm");
 284
 285   titlesession->get_current_sector()->activate();
 286   titlesession->set_current();
 287
 288   /* --- Main title loop: --- */
 289   frame = 0;
 290
 291   FrameRate frame_rate(100);
 292   frame_rate.set_frame_limit(false);
 293
 294   random_timer.start(rand() % 2000 + 2000);
 295
 296   Menu::set_current(main_menu);
 297   DrawingContext& context = *titlesession->context;
 298   while (Menu::current())
 299     {
 300       // if we spent to much time on a menu entry
 301       frame_rate.smooth_hanger();
 302
 303       // Calculate the movement-factor
 304       double frame_ratio = frame_rate.get();
 305
 306       if(frame_ratio > 1.5) /* Quick hack to correct the unprecise CPU clocks a little bit. */
 307         frame_ratio = 1.5 + (frame_ratio - 1.5) * 0.85;
 308       /* Lower the frame_ratio that Tux doesn't jump to hectically throught the demo. */
 309       frame_ratio /= 2;
 310
 311       SDL_Event event;
 312       while (SDL_PollEvent(&event))
 313         {
 314           if (Menu::current())
 315             {
 316               Menu::current()->event(event);
 317             }
 318          // FIXME: QUIT signal should be handled more generic, not locally
 319           if (event.type == SDL_QUIT)
 320             Menu::set_current(0);
 321         }
 322
 323       /* Draw the background: */
 324       draw_demo(frame_ratio);
 325
 326
 327       if (Menu::current() == main_menu)
 328         context.draw_surface(logo, Vector(screen->w/2 - logo->w/2, 30),
 329             LAYER_FOREGROUND1+1);
 330
 331       context.draw_text(white_small_text, " SuperTux " VERSION "\n", Vector(0, screen->h - 70), LEFT_ALLIGN, LAYER_FOREGROUND1);
 332       context.draw_text(white_small_text,
 333         _("Copyright (c) 2003 SuperTux Devel Team\n"
 334           "This game comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
 335           "are welcome to redistribute it under certain conditions; see the file COPYING\n"
 336           "for details.\n"), Vector(0, screen->h - 70 + white_small_text->get_height()), LEFT_ALLIGN, LAYER_FOREGROUND1);
 337
 338       /* Don't draw menu, if quit is true */
 339       Menu* menu = Menu::current();
 340       if(menu)
 341         {
 342           menu->draw(context);
 343           menu->action();
 344
 345           if(menu == main_menu)
 346             {
 347               switch (main_menu->check())
 348                 {
 349                 case MNID_STARTGAME:
 350                   // Start Game, ie. goto the slots menu
 351                   update_load_save_game_menu(load_game_menu);
 352                   break;
 353                 case MNID_LEVELS_CONTRIB:
 354                   // Contrib Menu
 355                   puts("Entering contrib menu");
 356                   generate_contrib_menu();
 357                   break;
 358                 case MNID_LEVELEDITOR:
 359                   leveleditor = new LevelEditor();
 360                   leveleditor->run();
 361                   delete leveleditor;
 362                   Menu::set_current(main_menu);
 363                   frame_rate.update();
 364                   break;
 365                 case MNID_CREDITS:
 366                   display_text_file("CREDITS", SCROLL_SPEED_CREDITS, white_big_text , white_text, white_small_text, blue_text );
 367                   Menu::set_current(main_menu);
 368                   break;
 369                 case MNID_QUITMAINMENU:
 370                   Menu::set_current(0);
 371                   break;
 372                 }
 373             }
 374           else if(menu == options_menu)
 375             {
 376               process_options_menu();
 377             }
 378           else if(menu == load_game_menu)
 379             {
 380               if(event.key.keysym.sym == SDLK_DELETE)
 381                 {
 382                 int slot = menu->get_active_item_id();
 383                 std::stringstream stream;
 384                 stream << slot;
 385                 std::string str = _("Are you sure you want to delete slot") + stream.str() + "?";
 386
 387                 if(confirm_dialog(bkg_title, str.c_str()))
 388                   {
 389                   str = st_save_dir + "/slot" + stream.str() + ".stsg";
 390                   printf("Removing: %s\n",str.c_str());
 391                   remove(str.c_str());
 392                   }
 393
 394                 update_load_save_game_menu(load_game_menu);
 395                 Menu::set_current(main_menu);
 396                 frame_rate.update();
 397                 }
 398               else if (process_load_game_menu())
 399                 {
 400                   // FIXME: shouldn't be needed if GameSession doesn't relay on global variables
 401                   titlesession->get_current_sector()->activate();
 402                   titlesession->set_current();
 403                   //titletux.level_begin();
 404                   frame_rate.update();
 405                 }
 406             }
 407           else if(menu == contrib_menu)
 408             {
 409               check_levels_contrib_menu();
 410             }
 411           else if (menu == contrib_subset_menu)
 412             {
 413               check_contrib_subset_menu();
 414             }
 415         }
 416
 417       mouse_cursor->draw(context);
 418
 419       context.do_drawing();
 420
 421       frame_rate.update();
 422
 423       /* Pause: */
 424       frame++;
 425       SDL_Delay(25);
 426     }
 427   /* Free surfaces: */
 428
 429   free_contrib_menu();
 430   worldmap_list.clear();
 431   delete titlesession;
 432   delete bkg_title;
 433   delete logo;
 434   delete img_choose_subset;
 435 }
 436
 437
 438 // EOF //
 439