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
  78 static std::set<std::string> worldmap_list;
  79
  80 static LevelEditor* leveleditor;
  81
  82 void update_load_save_game_menu(Menu* pmenu)
  83 {
  84   for(int i = 2; i < 7; ++i)
  85     {
  86       // FIXME: Insert a real savegame struct/class here instead of
  87       // doing string vodoo
  88       std::string tmp = slotinfo(i - 1);
  89       pmenu->item[i].kind = MN_ACTION;
  90       pmenu->item[i].change_text(tmp.c_str());
  91     }
  92 }
  93
  94 void free_contrib_menu()
  95 {
  96   for(std::vector<LevelSubset*>::iterator i = contrib_subsets.begin();
  97       i != contrib_subsets.end(); ++i)
  98     delete *i;
  99
 100   contrib_subsets.clear();
 101   contrib_menu->clear();
 102 }
 103
 104 void generate_contrib_menu()
 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   int i = 0;
 114   for (std::set<std::string>::iterator it = level_subsets.begin(); it != level_subsets.end(); ++it)
 115     {
 116       LevelSubset* subset = new LevelSubset();
 117       subset->load(*it);
 118       contrib_menu->additem(MN_GOTO, subset->title, 0, contrib_subset_menu, i);
 119       contrib_subsets.push_back(subset);
 120       ++i;
 121     }
 122
 123   i = level_subsets.size();
 124   for(std::set<std::string>::iterator it = worldmap_list.begin(); it != worldmap_list.end(); ++it)
 125     {
 126     WorldMapNS::WorldMap worldmap;
 127     worldmap.loadmap((*it).c_str());
 128     contrib_menu->additem(MN_ACTION, worldmap.get_world_title(),0,0, i);
 129     ++i;
 130     }
 131
 132   contrib_menu->additem(MN_HL,"",0,0);
 133   contrib_menu->additem(MN_BACK,_("Back"),0,0);
 134
 135   level_subsets.clear();
 136 }
 137
 138 void check_levels_contrib_menu()
 139 {
 140   static int current_subset = -1;
 141
 142   int index = contrib_menu->check();
 143   if (index == -1)
 144     return;
 145
 146   if (index < (int)contrib_subsets.size())
 147     {
 148     if (current_subset != index)
 149       {
 150       current_subset = index;
 151       // FIXME: This shouln't be busy looping
 152       LevelSubset& subset = * (contrib_subsets[index]);
 153
 154       current_contrib_subset = &subset;
 155
 156       contrib_subset_menu->clear();
 157
 158       contrib_subset_menu->additem(MN_LABEL, subset.title, 0,0);
 159       contrib_subset_menu->additem(MN_HL,"",0,0);
 160
 161       for (int i = 0; i < subset.get_num_levels(); ++i)
 162         {
 163         /** get level's title */
 164         std::string level_title = "<no title>";
 165
 166         LispReader* reader = LispReader::load(subset.get_level_filename(i), "supertux-level");
 167         if(!reader)
 168           {
 169           std::cerr << "Error: Could not open level file. Ignoring...\n";
 170           return;
 171           }
 172
 173         reader->read_string("name", level_title, true);
 174         delete reader;
 175
 176         contrib_subset_menu->additem(MN_ACTION, level_title, 0, 0, i);
 177         }
 178
 179       contrib_subset_menu->additem(MN_HL,"",0,0);
 180       contrib_subset_menu->additem(MN_BACK, _("Back"), 0, 0);
 181
 182       titlesession->get_current_sector()->activate();
 183       titlesession->set_current();
 184       }
 185     }
 186   else if((unsigned)index < worldmap_list.size() + (int)contrib_subsets.size())
 187     {
 188     WorldMapNS::WorldMap worldmap;
 189     std::set<std::string>::iterator it = worldmap_list.begin();
 190     for(int i = index - contrib_subsets.size(); i > 0; --i)
 191     ++it;
 192
 193     std::string map_filename = *it;
 194
 195     worldmap.set_map_filename(map_filename);
 196
 197     // hack to erase the extension
 198     unsigned int ext_pos = it->find_last_of(".");
 199     if(ext_pos != std::string::npos)
 200       map_filename.erase(ext_pos, map_filename.size() - ext_pos);
 201
 202     // TODO: slots should be available for contrib maps
 203     worldmap.loadgame(st_save_dir + "/" + map_filename + "-slot1.stsg");
 204
 205     worldmap.display();  // run the map
 206
 207     Menu::set_current(main_menu);
 208     }
 209 }
 210
 211 void check_contrib_subset_menu()
 212 {
 213   int index = contrib_subset_menu->check();
 214   if (index != -1)
 215     {
 216       if (contrib_subset_menu->get_item_by_id(index).kind == MN_ACTION)
 217         {
 218           std::cout << "Starting level: " << index << std::endl;
 219
 220           GameSession session(
 221               current_contrib_subset->get_level_filename(index), ST_GL_PLAY);
 222           session.run();
 223           player_status.reset();
 224           Menu::set_current(main_menu);
 225           titlesession->get_current_sector()->activate();
 226           titlesession->set_current();
 227         }
 228     }
 229 }
 230
 231 void draw_demo(double frame_ratio)
 232 {
 233   Sector* world  = titlesession->get_current_sector();
 234   Player* tux = world->player;
 235
 236   world->play_music(LEVEL_MUSIC);
 237
 238   global_frame_counter++;
 239   tux->key_event((SDLKey) keymap.right,DOWN);
 240
 241   if(random_timer.check())
 242     {
 243       if(walking)
 244         tux->key_event((SDLKey) keymap.jump,UP);
 245       else
 246         tux->key_event((SDLKey) keymap.jump,DOWN);
 247     }
 248   else
 249     {
 250       random_timer.start(rand() % 3000 + 3000);
 251       walking = !walking;
 252     }
 253
 254   // Wrap around at the end of the level back to the beginnig
 255   if(world->solids->get_width() * 32 - 320 < tux->base.x)
 256     {
 257       tux->level_begin();
 258       world->camera->reset(Vector(tux->base.x, tux->base.y));
 259     }
 260
 261   tux->can_jump = true;
 262   float last_tux_x_pos = tux->base.x;
 263   world->action(frame_ratio);
 264
 265
 266   // disabled for now, since with the new jump code we easily get deadlocks
 267   // Jump if tux stays in the same position for one loop, ie. if he is
 268   // stuck behind a wall
 269   if (last_tux_x_pos == tux->base.x)
 270     {
 271       walking = false;
 272     }
 273
 274   world->draw(*titlesession->context);
 275 }
 276
 277 /* --- TITLE SCREEN --- */
 278 void title(void)
 279 {
 280   random_timer.init(true);
 281
 282   walking = true;
 283
 284   Ticks::pause_init();
 285
 286   titlesession = new GameSession(datadir + "/levels/misc/menu.stl", ST_GL_DEMO_GAME);
 287
 288   /* Load images: */
 289   bkg_title = new Surface(datadir + "/images/background/arctis.jpg", false);
 290   logo = new Surface(datadir + "/images/title/logo.png", true);
 291   img_choose_subset = new Surface(datadir + "/images/status/choose-level-subset.png", true);
 292
 293   /* Generating contrib maps by only using a string_list */
 294   worldmap_list = FileSystem::dfiles("levels/worldmap", "", "icyisland.stwm");
 295
 296   titlesession->get_current_sector()->activate();
 297   titlesession->set_current();
 298
 299   /* --- Main title loop: --- */
 300   frame = 0;
 301
 302   FrameRate frame_rate(100);
 303   frame_rate.set_frame_limit(false);
 304
 305   random_timer.start(rand() % 2000 + 2000);
 306
 307   Menu::set_current(main_menu);
 308   DrawingContext& context = *titlesession->context;
 309   while (Menu::current())
 310     {
 311       // if we spent to much time on a menu entry
 312       frame_rate.smooth_hanger();
 313
 314       // Calculate the movement-factor
 315       double frame_ratio = frame_rate.get();
 316
 317       if(frame_ratio > 1.5) /* Quick hack to correct the unprecise CPU clocks a little bit. */
 318         frame_ratio = 1.5 + (frame_ratio - 1.5) * 0.85;
 319       /* Lower the frame_ratio that Tux doesn't jump to hectically throught the demo. */
 320       frame_ratio /= 2;
 321
 322       SDL_Event event;
 323       while (SDL_PollEvent(&event))
 324         {
 325           if (Menu::current())
 326             {
 327               Menu::current()->event(event);
 328             }
 329          // FIXME: QUIT signal should be handled more generic, not locally
 330           if (event.type == SDL_QUIT)
 331             Menu::set_current(0);
 332         }
 333
 334       /* Draw the background: */
 335       draw_demo(frame_ratio);
 336
 337
 338       if (Menu::current() == main_menu)
 339         context.draw_surface(logo, Vector(screen->w/2 - logo->w/2, 30),
 340             LAYER_FOREGROUND1+1);
 341
 342       context.draw_text(white_small_text, " SuperTux " VERSION "\n", Vector(0, screen->h - 70), LEFT_ALLIGN, LAYER_FOREGROUND1);
 343       context.draw_text(white_small_text,
 344         _("Copyright (c) 2003 SuperTux Devel Team\n"
 345           "This game comes with ABSOLUTELY NO WARRANTY. This is free software, and you\n"
 346           "are welcome to redistribute it under certain conditions; see the file COPYING\n"
 347           "for details.\n"), Vector(0, screen->h - 70 + white_small_text->get_height()), LEFT_ALLIGN, LAYER_FOREGROUND1);
 348
 349       /* Don't draw menu, if quit is true */
 350       Menu* menu = Menu::current();
 351       if(menu)
 352         {
 353           menu->draw(context);
 354           menu->action();
 355
 356           if(menu == main_menu)
 357             {
 358               switch (main_menu->check())
 359                 {
 360                 case MNID_STARTGAME:
 361                   // Start Game, ie. goto the slots menu
 362                   update_load_save_game_menu(load_game_menu);
 363                   break;
 364                 case MNID_LEVELS_CONTRIB:
 365                   // Contrib Menu
 366                   puts("Entering contrib menu");
 367                   generate_contrib_menu();
 368                   break;
 369                 case MNID_LEVELEDITOR:
 370                   leveleditor = new LevelEditor();
 371                   leveleditor->run();
 372                   delete leveleditor;
 373                   Menu::set_current(main_menu);
 374                   frame_rate.update();
 375                   break;
 376                 case MNID_CREDITS:
 377                   display_text_file("CREDITS", SCROLL_SPEED_CREDITS, white_big_text , white_text, white_small_text, blue_text );
 378                   Menu::set_current(main_menu);
 379                   break;
 380                 case MNID_QUITMAINMENU:
 381                   Menu::set_current(0);
 382                   break;
 383                 }
 384             }
 385           else if(menu == options_menu)
 386             {
 387               process_options_menu();
 388             }
 389           else if(menu == load_game_menu)
 390             {
 391               if(event.key.keysym.sym == SDLK_DELETE)
 392                 {
 393                 int slot = menu->get_active_item_id();
 394                 std::stringstream stream;
 395                 stream << slot;
 396                 std::string str = _("Are you sure you want to delete slot") + stream.str() + "?";
 397
 398                 if(confirm_dialog(bkg_title, str.c_str()))
 399                   {
 400                   str = st_save_dir + "/slot" + stream.str() + ".stsg";
 401                   printf("Removing: %s\n",str.c_str());
 402                   remove(str.c_str());
 403                   }
 404
 405                 update_load_save_game_menu(load_game_menu);
 406                 Menu::set_current(main_menu);
 407                 frame_rate.update();
 408                 }
 409               else if (process_load_game_menu())
 410                 {
 411                   // FIXME: shouldn't be needed if GameSession doesn't relay on global variables
 412                   titlesession->get_current_sector()->activate();
 413                   titlesession->set_current();
 414                   //titletux.level_begin();
 415                   frame_rate.update();
 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       mouse_cursor->draw(context);
 429
 430       context.do_drawing();
 431
 432       frame_rate.update();
 433
 434       /* Pause: */
 435       frame++;
 436       SDL_Delay(25);
 437     }
 438   /* Free surfaces: */
 439
 440   free_contrib_menu();
 441   worldmap_list.clear();
 442   delete titlesession;
 443   delete bkg_title;
 444   delete logo;
 445   delete img_choose_subset;
 446 }
 447
 448
 449 // EOF //
 450