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