src/game_session.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 //  Copyright (C) 2004 Ingo Ruhnke <grumbel@gmx.de>
   7 //
   8 //  This program is free software; you can redistribute it and/or
   9 //  modify it under the terms of the GNU General Public License
  10 //  as published by the Free Software Foundation; either version 2
  11 //  of the License, or (at your option) any later version.
  12 //
  13 //  This program is distributed in the hope that it will be useful,
  14 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 //  GNU General Public License for more details.
  17 //
  18 //  You should have received a copy of the GNU General Public License
  19 //  along with this program; if not, write to the Free Software
  20 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21 #include <config.h>
  22
  23 #include <fstream>
  24 #include <sstream>
  25 #include <cassert>
  26 #include <cstdio>
  27 #include <cstdlib>
  28 #include <cmath>
  29 #include <cstring>
  30 #include <cerrno>
  31 #include <unistd.h>
  32 #include <ctime>
  33 #include <stdexcept>
  34
  35 #include <SDL.h>
  36
  37 #include "game_session.hpp"
  38 #include "msg.hpp"
  39 #include "video/screen.hpp"
  40 #include "audio/sound_manager.hpp"
  41 #include "gui/menu.hpp"
  42 #include "sector.hpp"
  43 #include "level.hpp"
  44 #include "tile.hpp"
  45 #include "player_status.hpp"
  46 #include "object/particlesystem.hpp"
  47 #include "object/background.hpp"
  48 #include "object/gradient.hpp"
  49 #include "object/tilemap.hpp"
  50 #include "object/camera.hpp"
  51 #include "object/player.hpp"
  52 #include "object/level_time.hpp"
  53 #include "lisp/lisp.hpp"
  54 #include "lisp/parser.hpp"
  55 #include "resources.hpp"
  56 #include "worldmap.hpp"
  57 #include "misc.hpp"
  58 #include "statistics.hpp"
  59 #include "timer.hpp"
  60 #include "object/fireworks.hpp"
  61 #include "textscroller.hpp"
  62 #include "control/codecontroller.hpp"
  63 #include "control/joystickkeyboardcontroller.hpp"
  64 #include "main.hpp"
  65 #include "file_system.hpp"
  66 #include "gameconfig.hpp"
  67 #include "gettext.hpp"
  68 #include "exceptions.hpp"
  69 #include "flip_level_transformer.hpp"
  70
  71 // the engine will be run with a logical framerate of 64fps.
  72 // We chose 64fps here because it is a power of 2, so 1/64 gives an "even"
  73 // binary fraction...
  74 static const float LOGICAL_FPS = 64.0;
  75
  76 GameSession* GameSession::current_ = 0;
  77
  78 GameSession::GameSession(const std::string& levelfile_, GameSessionMode mode,
  79     Statistics* statistics)
  80   : level(0), currentsector(0), mode(mode),
  81     end_sequence(NO_ENDSEQUENCE), end_sequence_controller(0),
  82     levelfile(levelfile_), best_level_statistics(statistics),
  83     capture_demo_stream(0), playback_demo_stream(0), demo_controller(0)
  84 {
  85   current_ = this;
  86   currentsector = 0;
  87
  88   game_pause = false;
  89   fps_fps = 0;
  90
  91   context = new DrawingContext();
  92   console = new Console(context);
  93   Console::registerCommandReceiver(this);
  94
  95   restart_level();
  96 }
  97
  98 void
  99 GameSession::restart_level()
 100 {
 101   game_pause   = false;
 102   exit_status  = ES_NONE;
 103   end_sequence = NO_ENDSEQUENCE;
 104
 105   main_controller->reset();
 106
 107   delete level;
 108   currentsector = 0;
 109
 110   level = new Level;
 111   level->load(levelfile);
 112
 113   global_stats.reset();
 114   global_stats.set_total_points(COINS_COLLECTED_STAT, level->get_total_coins());
 115   global_stats.set_total_points(BADGUYS_KILLED_STAT, level->get_total_badguys());
 116
 117   // get time
 118   int time = 0;
 119   for(std::vector<Sector*>::iterator i = level->sectors.begin(); i != level->sectors.end(); ++i)
 120   {
 121     Sector* sec = *i;
 122
 123     for(std::vector<GameObject*>::iterator j = sec->gameobjects.begin();
 124         j != sec->gameobjects.end(); ++j)
 125     {
 126       GameObject* obj = *j;
 127
 128       LevelTime* lt = dynamic_cast<LevelTime*> (obj);
 129       if(lt)
 130         time += int(lt->get_level_time());
 131     }
 132   }
 133   global_stats.set_total_points(TIME_NEEDED_STAT, (time == 0) ? -1 : time);
 134
 135   if(reset_sector != "") {
 136     currentsector = level->get_sector(reset_sector);
 137     if(!currentsector) {
 138       std::stringstream msg;
 139       msg << "Couldn't find sector '" << reset_sector << "' for resetting tux.";
 140       throw std::runtime_error(msg.str());
 141     }
 142     currentsector->activate(reset_pos);
 143   } else {
 144     currentsector = level->get_sector("main");
 145     if(!currentsector)
 146       throw std::runtime_error("Couldn't find main sector");
 147     currentsector->activate("main");
 148   }
 149
 150   if(mode == ST_GL_PLAY || mode == ST_GL_LOAD_LEVEL_FILE)
 151     levelintro();
 152
 153   currentsector->play_music(LEVEL_MUSIC);
 154
 155   if(capture_file != "")
 156     record_demo(capture_file);
 157 }
 158
 159 GameSession::~GameSession()
 160 {
 161   delete capture_demo_stream;
 162   delete playback_demo_stream;
 163   delete demo_controller;
 164
 165   delete end_sequence_controller;
 166   delete level;
 167   delete context;
 168   Console::unregisterCommandReceiver(this);
 169   delete console;
 170
 171   current_ = NULL;
 172 }
 173
 174 void
 175 GameSession::record_demo(const std::string& filename)
 176 {
 177   delete capture_demo_stream;
 178
 179   capture_demo_stream = new std::ofstream(filename.c_str());
 180   if(!capture_demo_stream->good()) {
 181     std::stringstream msg;
 182     msg << "Couldn't open demo file '" << filename << "' for writing.";
 183     throw std::runtime_error(msg.str());
 184   }
 185   capture_file = filename;
 186 }
 187
 188 void
 189 GameSession::play_demo(const std::string& filename)
 190 {
 191   delete playback_demo_stream;
 192   delete demo_controller;
 193
 194   playback_demo_stream = new std::ifstream(filename.c_str());
 195   if(!playback_demo_stream->good()) {
 196     std::stringstream msg;
 197     msg << "Couldn't open demo file '" << filename << "' for reading.";
 198     throw std::runtime_error(msg.str());
 199   }
 200
 201   Player& tux = *currentsector->player;
 202   demo_controller = new CodeController();
 203   tux.set_controller(demo_controller);
 204 }
 205
 206 void
 207 GameSession::levelintro()
 208 {
 209   char str[60];
 210
 211   sound_manager->stop_music();
 212
 213   DrawingContext context;
 214   for(Sector::GameObjects::iterator i = currentsector->gameobjects.begin();
 215       i != currentsector->gameobjects.end(); ++i) {
 216     Background* background = dynamic_cast<Background*> (*i);
 217     if(background) {
 218       background->draw(context);
 219     }
 220     Gradient* gradient = dynamic_cast<Gradient*> (*i);
 221     if(gradient) {
 222       gradient->draw(context);
 223     }
 224   }
 225
 226 //  context.draw_text(gold_text, level->get_name(), Vector(SCREEN_WIDTH/2, 160),
 227 //      CENTER_ALLIGN, LAYER_FOREGROUND1);
 228   context.draw_center_text(gold_text, level->get_name(), Vector(0, 160),
 229       LAYER_FOREGROUND1);
 230
 231   sprintf(str, "TUX x %d", player_status->lives);
 232   context.draw_text(white_text, str, Vector(SCREEN_WIDTH/2, 210),
 233       CENTER_ALLIGN, LAYER_FOREGROUND1);
 234
 235   if((level->get_author().size()) && (level->get_author() != "SuperTux Team"))
 236     //TODO make author check case/blank-insensitive
 237     context.draw_text(white_small_text,
 238       std::string(_("contributed by ")) + level->get_author(),
 239       Vector(SCREEN_WIDTH/2, 350), CENTER_ALLIGN, LAYER_FOREGROUND1);
 240
 241
 242   if(best_level_statistics != NULL)
 243     best_level_statistics->draw_message_info(context, _("Best Level Statistics"));
 244
 245   console->draw();
 246   context.do_drawing();
 247
 248   wait_for_event(1.0, 3.0);
 249 }
 250
 251 void
 252 GameSession::on_escape_press()
 253 {
 254   if(currentsector->player->is_dying() || end_sequence != NO_ENDSEQUENCE)
 255     return;   // don't let the player open the menu, when he is dying
 256
 257   if(mode == ST_GL_TEST) {
 258     exit_status = ES_LEVEL_ABORT;
 259   } else if (!Menu::current()) {
 260     Menu::set_current(game_menu);
 261     game_menu->set_active_item(MNID_CONTINUE);
 262     game_pause = true;
 263   } else {
 264     game_pause = false;
 265   }
 266 }
 267
 268 void
 269 GameSession::process_events()
 270 {
 271   Player& tux = *currentsector->player;
 272   main_controller->update();
 273
 274   // end of pause mode?
 275   if(!Menu::current() && game_pause) {
 276     game_pause = false;
 277   }
 278
 279   if (end_sequence != NO_ENDSEQUENCE) {
 280     if(end_sequence_controller == 0) {
 281       end_sequence_controller = new CodeController();
 282       tux.set_controller(end_sequence_controller);
 283     }
 284
 285     end_sequence_controller->press(Controller::RIGHT);
 286
 287     if (int(last_x_pos) == int(tux.get_pos().x))
 288       end_sequence_controller->press(Controller::JUMP);
 289     last_x_pos = tux.get_pos().x;
 290   }
 291
 292   main_controller->update();
 293   SDL_Event event;
 294   while (SDL_PollEvent(&event)) {
 295     /* Check for menu-events, if the menu is shown */
 296     if (Menu::current())
 297       Menu::current()->event(event);
 298     main_controller->process_event(event);
 299     if(event.type == SDL_QUIT)
 300       throw graceful_shutdown();
 301   }
 302
 303   // playback a demo?
 304   if(playback_demo_stream != 0) {
 305     demo_controller->update();
 306     char left = false;
 307     char right = false;
 308     char up = false;
 309     char down = false;
 310     char jump = false;
 311     char action = false;
 312     playback_demo_stream->get(left);
 313     playback_demo_stream->get(right);
 314     playback_demo_stream->get(up);
 315     playback_demo_stream->get(down);
 316     playback_demo_stream->get(jump);
 317     playback_demo_stream->get(action);
 318     demo_controller->press(Controller::LEFT, left);
 319     demo_controller->press(Controller::RIGHT, right);
 320     demo_controller->press(Controller::UP, up);
 321     demo_controller->press(Controller::DOWN, down);
 322     demo_controller->press(Controller::JUMP, jump);
 323     demo_controller->press(Controller::ACTION, action);
 324   }
 325
 326   // save input for demo?
 327   if(capture_demo_stream != 0) {
 328     capture_demo_stream ->put(main_controller->hold(Controller::LEFT));
 329     capture_demo_stream ->put(main_controller->hold(Controller::RIGHT));
 330     capture_demo_stream ->put(main_controller->hold(Controller::UP));
 331     capture_demo_stream ->put(main_controller->hold(Controller::DOWN));
 332     capture_demo_stream ->put(main_controller->hold(Controller::JUMP));
 333     capture_demo_stream ->put(main_controller->hold(Controller::ACTION));
 334   }
 335 }
 336
 337 bool
 338 GameSession::consoleCommand(std::string command)
 339 {
 340   if (command == "foo") {
 341     msg_info("bar");
 342     return true;
 343   }
 344
 345   //TODO: Build command list automatically
 346   if (command == "cmdlist") {
 347     msg_info("foo, cmdlist, cheats, whereami, camera");
 348     return true;
 349   }
 350   //TODO: remove (or at least hide) this before release
 351   if (command == "cheats") {
 352     msg_info("grow, fire, ice, lifeup, numberofthebeast, lifedown, grease,\ninvincible, mortal, shrink, kill, gotoend, flip, finish");
 353     return true;
 354   }
 355
 356   if (currentsector == 0) return false;
 357   Player& tux = *currentsector->player;
 358
 359   // Cheating words (the goal of this is really for debugging,
 360   // but could be used for some cheating, nothing wrong with that)
 361   if (command == "grow") {
 362     tux.set_bonus(GROWUP_BONUS, false);
 363     return true;
 364   }
 365   if (command == "fire") {
 366     tux.set_bonus(FIRE_BONUS, false);
 367     return true;
 368   }
 369   if (command == "ice") {
 370     tux.set_bonus(ICE_BONUS, false);
 371     return true;
 372   }
 373   if (command == "lifeup") {
 374     player_status->lives++;
 375     return true;
 376   }
 377   if (command == "numberofthebeast") {
 378     player_status->lives = 55;
 379     return true;
 380   }
 381   if (command == "lifedown") {
 382     player_status->lives--;
 383     return true;
 384   }
 385   if (command == "grease") {
 386     tux.physic.set_velocity_x(tux.physic.get_velocity_x()*3);
 387     return true;
 388   }
 389   if (command == "invincible") {
 390     // be invincle for the rest of the level
 391     tux.invincible_timer.start(10000);
 392     return true;
 393   }
 394   if (command == "mortal") {
 395     // give up invincibility
 396     tux.invincible_timer.stop();
 397     return true;
 398   }
 399   if (command == "shrink") {
 400     // remove powerups
 401     tux.kill(tux.SHRINK);
 402     return true;
 403   }
 404   if (command == "kill") {
 405     // kill Tux, but without losing a life
 406     player_status->lives++;
 407     tux.kill(tux.KILL);
 408     return true;
 409   }
 410   if (command == "whereami") {
 411     msg_info("You are at x " << tux.get_pos().x << ", y " << tux.get_pos().y);
 412     return true;
 413   }
 414 #if 0
 415   if(command == "grid")) {
 416     // toggle debug grid
 417     debug_grid = !debug_grid;
 418     return true;
 419   }
 420 #endif
 421   if (command == "gotoend") {
 422     // goes to the end of the level
 423     tux.move(Vector(
 424           (currentsector->solids->get_width()*32) - (SCREEN_WIDTH*2), 0));
 425     currentsector->camera->reset(
 426         Vector(tux.get_pos().x, tux.get_pos().y));
 427     return true;
 428   }
 429   if (command == "flip") {
 430         FlipLevelTransformer flip_transformer;
 431     flip_transformer.transform(GameSession::current()->get_current_level());
 432     return true;
 433   }
 434   if (command == "finish") {
 435     // finish current sector
 436     exit_status = ES_LEVEL_FINISHED;
 437     // don't add points to stats though...
 438     return true;
 439   }
 440   if (command == "camera") {
 441     msg_info("Camera is at "
 442               << Sector::current()->camera->get_translation().x << ","
 443               << Sector::current()->camera->get_translation().y);
 444     return true;
 445   }
 446
 447   return false;
 448 }
 449
 450 void
 451 GameSession::check_end_conditions()
 452 {
 453   Player* tux = currentsector->player;
 454
 455   /* End of level? */
 456   if(end_sequence && endsequence_timer.check()) {
 457     exit_status = ES_LEVEL_FINISHED;
 458
 459     // add time spent to statistics
 460     int tottime = 0, remtime = 0;
 461     for(std::vector<Sector*>::iterator i = level->sectors.begin(); i != level->sectors.end(); ++i)
 462     {
 463       Sector* sec = *i;
 464
 465       for(std::vector<GameObject*>::iterator j = sec->gameobjects.begin();
 466           j != sec->gameobjects.end(); ++j)
 467       {
 468         GameObject* obj = *j;
 469
 470         LevelTime* lt = dynamic_cast<LevelTime*> (obj);
 471         if(lt)
 472         {
 473           tottime += int(lt->get_level_time());
 474           remtime += int(lt->get_remaining_time());
 475         }
 476       }
 477     }
 478     global_stats.set_points(TIME_NEEDED_STAT, (tottime == 0 ? -1 : (tottime-remtime)));
 479
 480     return;
 481   } else if (!end_sequence && tux->is_dead()) {
 482     if (player_status->lives < 0) { // No more lives!?
 483       exit_status = ES_GAME_OVER;
 484     } else { // Still has lives, so reset Tux to the levelstart
 485       restart_level();
 486     }
 487
 488     return;
 489   }
 490 }
 491
 492 void
 493 GameSession::update(float elapsed_time)
 494 {
 495   // handle controller
 496   if(main_controller->pressed(Controller::PAUSE_MENU))
 497     on_escape_press();
 498
 499   // advance timers
 500   if(!currentsector->player->growing_timer.started()) {
 501     // Update Tux and the World
 502     currentsector->update(elapsed_time);
 503   }
 504
 505   // respawning in new sector?
 506   if(newsector != "" && newspawnpoint != "") {
 507     Sector* sector = level->get_sector(newsector);
 508     if(sector == 0) {
 509       msg_warning("Sector '" << newsector << "' not found");
 510     }
 511     sector->activate(newspawnpoint);
 512     sector->play_music(LEVEL_MUSIC);
 513     currentsector = sector;
 514     newsector = "";
 515     newspawnpoint = "";
 516   }
 517
 518   // update sounds
 519   sound_manager->set_listener_position(currentsector->player->get_pos());
 520 }
 521
 522 void
 523 GameSession::draw()
 524 {
 525   currentsector->draw(*context);
 526   drawstatus(*context);
 527
 528   if(game_pause)
 529     draw_pause();
 530
 531   if(Menu::current()) {
 532     Menu::current()->draw(*context);
 533   }
 534
 535   console->draw();
 536   context->do_drawing();
 537 }
 538
 539 void
 540 GameSession::draw_pause()
 541 {
 542   context->draw_filled_rect(
 543       Vector(0,0), Vector(SCREEN_WIDTH, SCREEN_HEIGHT),
 544       Color(.2, .2, .2, .5), LAYER_FOREGROUND1);
 545 }
 546
 547 void
 548 GameSession::process_menu()
 549 {
 550   Menu* menu = Menu::current();
 551   if(menu) {
 552     menu->update();
 553
 554     if(menu == game_menu) {
 555       switch (game_menu->check()) {
 556         case MNID_CONTINUE:
 557           Menu::set_current(0);
 558           break;
 559         case MNID_ABORTLEVEL:
 560           Menu::set_current(0);
 561           exit_status = ES_LEVEL_ABORT;
 562           break;
 563       }
 564     } else if(menu == options_menu) {
 565       process_options_menu();
 566     } else if(menu == load_game_menu ) {
 567       process_load_game_menu();
 568     }
 569   }
 570 }
 571
 572
 573 GameSession::ExitStatus
 574 GameSession::run()
 575 {
 576   Menu::set_current(0);
 577   current_ = this;
 578
 579   int fps_cnt = 0;
 580
 581   // Eat unneeded events
 582   SDL_Event event;
 583   while(SDL_PollEvent(&event))
 584   {}
 585
 586   draw();
 587
 588   Uint32 fps_ticks = SDL_GetTicks();
 589   Uint32 fps_nextframe_ticks = SDL_GetTicks();
 590   Uint32 ticks;
 591   bool skipdraw = false;
 592
 593   while (exit_status == ES_NONE) {
 594     // we run in a logical framerate so elapsed time is a constant
 595     static const float elapsed_time = 1.0 / LOGICAL_FPS;
 596     // old code... float elapsed_time = float(ticks - lastticks) / 1000.;
 597     if(!game_pause)
 598       game_time += elapsed_time;
 599
 600     // regulate fps
 601     ticks = SDL_GetTicks();
 602     if(ticks > fps_nextframe_ticks) {
 603       if(skipdraw == true) {
 604         // already skipped last frame? we have to slow down the game then...
 605         skipdraw = false;
 606         fps_nextframe_ticks -= (Uint32) (1000.0 / LOGICAL_FPS);
 607       } else {
 608         // don't draw all frames when we're getting too slow
 609         skipdraw = true;
 610       }
 611     } else {
 612       skipdraw = false;
 613       while(fps_nextframe_ticks > ticks) {
 614         /* just wait */
 615         // If we really have to wait long, then do an imprecise SDL_Delay()
 616         Uint32 diff = fps_nextframe_ticks - ticks;
 617         if(diff > 15) {
 618           SDL_Delay(diff - 10);
 619         }
 620         ticks = SDL_GetTicks();
 621       }
 622     }
 623     fps_nextframe_ticks = ticks + (Uint32) (1000.0 / LOGICAL_FPS);
 624
 625 #if 0
 626     float diff = SDL_GetTicks() - fps_nextframe_ticks;
 627     if (diff > 5.0) {
 628          // sets the ticks that must have elapsed
 629         fps_nextframe_ticks = SDL_GetTicks() + (1000.0 / LOGICAL_FPS);
 630     } else {
 631         // sets the ticks that must have elapsed
 632         // in order for the next frame to start.
 633         fps_nextframe_ticks += 1000.0 / LOGICAL_FPS;
 634     }
 635 #endif
 636
 637     process_events();
 638     process_menu();
 639
 640     // Update the world state and all objects in the world
 641     // Do that with a constante time-delta so that the game will run
 642     // determistic and not different on different machines
 643     if(!game_pause && !Menu::current())
 644     {
 645       // Update the world
 646       check_end_conditions();
 647       if (end_sequence == ENDSEQUENCE_RUNNING)
 648         update(elapsed_time/2);
 649       else if(end_sequence == NO_ENDSEQUENCE)
 650         update(elapsed_time);
 651     }
 652     else
 653     {
 654       ++pause_menu_frame;
 655     }
 656
 657     if(!skipdraw)
 658       draw();
 659
 660     // update sounds
 661     sound_manager->update();
 662
 663     /* Time stops in pause mode */
 664     if(game_pause || Menu::current())
 665     {
 666       continue;
 667     }
 668
 669     //frame_rate.update();
 670
 671     /* Handle music: */
 672     if (currentsector->player->invincible_timer.started() &&
 673             currentsector->player->invincible_timer.get_timeleft()
 674             > TUX_INVINCIBLE_TIME_WARNING && !end_sequence)
 675     {
 676       currentsector->play_music(HERRING_MUSIC);
 677     }
 678     /* or just normal music? */
 679     else if(currentsector->get_music_type() != LEVEL_MUSIC && !end_sequence)
 680     {
 681       currentsector->play_music(LEVEL_MUSIC);
 682     }
 683
 684     /* Calculate frames per second */
 685     if(config->show_fps)
 686     {
 687       ++fps_cnt;
 688
 689       if(SDL_GetTicks() - fps_ticks >= 500)
 690       {
 691         fps_fps = (float) fps_cnt / .5;
 692         fps_cnt = 0;
 693         fps_ticks = SDL_GetTicks();
 694       }
 695     }
 696   }
 697
 698   // just in case
 699   currentsector = 0;
 700   main_controller->reset();
 701   return exit_status;
 702 }
 703
 704 void
 705 GameSession::finish(bool win)
 706 {
 707   if(win)
 708     exit_status = ES_LEVEL_FINISHED;
 709   else
 710     exit_status = ES_LEVEL_ABORT;
 711 }
 712
 713 void
 714 GameSession::respawn(const std::string& sector, const std::string& spawnpoint)
 715 {
 716   newsector = sector;
 717   newspawnpoint = spawnpoint;
 718 }
 719
 720 void
 721 GameSession::set_reset_point(const std::string& sector, const Vector& pos)
 722 {
 723   reset_sector = sector;
 724   reset_pos = pos;
 725 }
 726
 727 std::string
 728 GameSession::get_working_directory()
 729 {
 730   return FileSystem::dirname(levelfile);
 731 }
 732
 733 void
 734 GameSession::display_info_box(const std::string& text)
 735 {
 736   InfoBox* box = new InfoBox(text);
 737
 738   bool running = true;
 739   while(running)  {
 740
 741     main_controller->update();
 742     SDL_Event event;
 743     while (SDL_PollEvent(&event)) {
 744       main_controller->process_event(event);
 745       if(event.type == SDL_QUIT)
 746         throw graceful_shutdown();
 747     }
 748
 749     if(main_controller->pressed(Controller::JUMP)
 750         || main_controller->pressed(Controller::ACTION)
 751         || main_controller->pressed(Controller::PAUSE_MENU)
 752         || main_controller->pressed(Controller::MENU_SELECT))
 753       running = false;
 754     else if(main_controller->pressed(Controller::DOWN))
 755       box->scrolldown();
 756     else if(main_controller->pressed(Controller::UP))
 757       box->scrollup();
 758     box->draw(*context);
 759     draw();
 760     sound_manager->update();
 761   }
 762
 763   delete box;
 764 }
 765
 766 void
 767 GameSession::start_sequence(const std::string& sequencename)
 768 {
 769   if(sequencename == "endsequence" || sequencename == "fireworks") {
 770     if(end_sequence)
 771       return;
 772
 773     end_sequence = ENDSEQUENCE_RUNNING;
 774     endsequence_timer.start(7.3);
 775     last_x_pos = -1;
 776     sound_manager->play_music("music/leveldone.ogg", false);
 777     currentsector->player->invincible_timer.start(7.3);
 778
 779     // Stop all clocks.
 780     for(std::vector<GameObject*>::iterator i = currentsector->gameobjects.begin();
 781         i != currentsector->gameobjects.end(); ++i)
 782     {
 783       GameObject* obj = *i;
 784
 785       LevelTime* lt = dynamic_cast<LevelTime*> (obj);
 786       if(lt)
 787         lt->stop();
 788     }
 789
 790     if(sequencename == "fireworks") {
 791       currentsector->add_object(new Fireworks());
 792     }
 793   } else if(sequencename == "stoptux") {
 794     if(!end_sequence) {
 795       msg_warning("Final target reached without "
 796         << "an active end sequence");
 797       this->start_sequence("endsequence");
 798     }
 799     end_sequence =  ENDSEQUENCE_WAITING;
 800   } else {
 801     msg_warning("Unknown sequence '" << sequencename << "'");
 802   }
 803 }
 804
 805 /* (Status): */
 806 void
 807 GameSession::drawstatus(DrawingContext& context)
 808 {
 809   player_status->draw(context);
 810
 811   if(config->show_fps) {
 812     char str[60];
 813     snprintf(str, sizeof(str), "%3.1f", fps_fps);
 814     context.draw_text(white_text, "FPS",
 815                       Vector(SCREEN_WIDTH -
 816                              white_text->get_text_width("FPS     ") - BORDER_X, BORDER_Y + 40),
 817                       LEFT_ALLIGN, LAYER_FOREGROUND1);
 818     context.draw_text(gold_text, str,
 819                       Vector(SCREEN_WIDTH-4*16 - BORDER_X, BORDER_Y + 40),
 820                       LEFT_ALLIGN, LAYER_FOREGROUND1);
 821   }
 822 }
 823
 824 void
 825 GameSession::drawresultscreen()
 826 {
 827   char str[80];
 828
 829   DrawingContext context;
 830   for(Sector::GameObjects::iterator i = currentsector->gameobjects.begin();
 831       i != currentsector->gameobjects.end(); ++i) {
 832     Background* background = dynamic_cast<Background*> (*i);
 833     if(background) {
 834       background->draw(context);
 835     }
 836   }
 837
 838   context.draw_text(blue_text, _("Result:"), Vector(SCREEN_WIDTH/2, 200),
 839       CENTER_ALLIGN, LAYER_FOREGROUND1);
 840
 841 //  sprintf(str, _("SCORE: %d"), global_stats.get_points(SCORE_STAT));
 842 //  context.draw_text(gold_text, str, Vector(SCREEN_WIDTH/2, 224), CENTER_ALLIGN, LAYER_FOREGROUND1);
 843
 844   // y == 256 before removal of score
 845   sprintf(str, _("COINS: %d"), player_status->coins);
 846   context.draw_text(gold_text, str, Vector(SCREEN_WIDTH/2, 224), CENTER_ALLIGN, LAYER_FOREGROUND1);
 847
 848   console->draw();
 849   context.do_drawing();
 850
 851   wait_for_event(2.0, 5.0);
 852 }
 853
 854 std::string slotinfo(int slot)
 855 {
 856   std::string tmp;
 857   std::string slotfile;
 858   std::string title;
 859   std::stringstream stream;
 860   stream << slot;
 861   slotfile = "save/slot" + stream.str() + ".stsg";
 862
 863   try {
 864     lisp::Parser parser;
 865     std::auto_ptr<lisp::Lisp> root (parser.parse(slotfile));
 866
 867     const lisp::Lisp* savegame = root->get_lisp("supertux-savegame");
 868     if(!savegame)
 869       throw std::runtime_error("file is not a supertux-savegame.");
 870
 871     savegame->get("title", title);
 872   } catch(std::exception& e) {
 873     return std::string(_("Slot")) + " " + stream.str() + " - " +
 874       std::string(_("Free"));
 875   }
 876
 877   return std::string("Slot ") + stream.str() + " - " + title;
 878 }
 879
 880 bool process_load_game_menu()
 881 {
 882   int slot = load_game_menu->check();
 883
 884   if(slot == -1)
 885     return false;
 886
 887   if(load_game_menu->get_item_by_id(slot).kind != MN_ACTION)
 888     return false;
 889
 890   std::stringstream stream;
 891   stream << slot;
 892   std::string slotfile = "save/slot" + stream.str() + ".stsg";
 893
 894   sound_manager->stop_music();
 895   fadeout(256);
 896   DrawingContext context;
 897   context.draw_text(white_text, "Loading...",
 898                     Vector(SCREEN_WIDTH/2, SCREEN_HEIGHT/2),
 899                     CENTER_ALLIGN, LAYER_FOREGROUND1);
 900   context.do_drawing();
 901
 902   WorldMapNS::WorldMap worldmap;
 903
 904   worldmap.set_map_filename("/levels/world1/worldmap.stwm");
 905   // Load the game or at least set the savegame_file variable
 906   worldmap.loadgame(slotfile);
 907
 908   worldmap.display();
 909
 910   Menu::set_current(main_menu);
 911
 912   return true;
 913 }