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 "worldmap.hpp"
  40 #include "mainloop.hpp"
  41 #include "video/screen.hpp"
  42 #include "audio/sound_manager.hpp"
  43 #include "gui/menu.hpp"
  44 #include "sector.hpp"
  45 #include "level.hpp"
  46 #include "tile.hpp"
  47 #include "player_status.hpp"
  48 #include "object/particlesystem.hpp"
  49 #include "object/background.hpp"
  50 #include "object/gradient.hpp"
  51 #include "object/tilemap.hpp"
  52 #include "object/camera.hpp"
  53 #include "object/player.hpp"
  54 #include "object/level_time.hpp"
  55 #include "lisp/lisp.hpp"
  56 #include "lisp/parser.hpp"
  57 #include "resources.hpp"
  58 #include "worldmap.hpp"
  59 #include "misc.hpp"
  60 #include "statistics.hpp"
  61 #include "timer.hpp"
  62 #include "object/fireworks.hpp"
  63 #include "textscroller.hpp"
  64 #include "control/codecontroller.hpp"
  65 #include "control/joystickkeyboardcontroller.hpp"
  66 #include "main.hpp"
  67 #include "file_system.hpp"
  68 #include "gameconfig.hpp"
  69 #include "gettext.hpp"
  70 #include "exceptions.hpp"
  71 #include "flip_level_transformer.hpp"
  72
  73 // the engine will be run with a logical framerate of 64fps.
  74 // We chose 64fps here because it is a power of 2, so 1/64 gives an "even"
  75 // binary fraction...
  76 static const float LOGICAL_FPS = 64.0;
  77
  78 namespace {
  79   const char* consoleCommands[] = {
  80           "foo",
  81           "whereami",
  82           "camera",
  83           "grow",
  84           "fire",
  85           "ice",
  86           "coins",
  87           "numberofthebeast",
  88           "grease",
  89           "invincible",
  90           "mortal",
  91           "shrink",
  92           "kill",
  93           "gotoend",
  94           "flip",
  95           "finish",
  96           "restart",
  97           "quit"
  98   };
  99 }
 100
 101 using namespace WorldMapNS;
 102
 103 GameSession* GameSession::current_ = 0;
 104
 105 GameSession::GameSession(const std::string& levelfile_, GameSessionMode mode,
 106     Statistics* statistics)
 107   : level(0), currentsector(0), mode(mode),
 108     end_sequence(NO_ENDSEQUENCE), end_sequence_controller(0),
 109     levelfile(levelfile_), best_level_statistics(statistics),
 110     capture_demo_stream(0), playback_demo_stream(0), demo_controller(0)
 111 {
 112   current_ = this;
 113   currentsector = 0;
 114
 115   game_pause = false;
 116   fps_fps = 0;
 117
 118   for (uint16_t i=0; i < sizeof(::consoleCommands)/sizeof(typeof(consoleCommands[0])); i++) {
 119     Console::registerCommand(consoleCommands[i], this);
 120   }
 121
 122   statistics_backdrop = new Surface("images/engine/menu/score-backdrop.png");
 123
 124   restart_level(true);
 125 }
 126
 127 void
 128 GameSession::restart_level(bool fromBeginning)
 129 {
 130   game_pause   = false;
 131   end_sequence = NO_ENDSEQUENCE;
 132
 133   main_controller->reset();
 134
 135   delete level;
 136   currentsector = 0;
 137
 138   level = new Level;
 139   level->load(levelfile);
 140
 141   global_stats.reset();
 142   global_stats.set_total_points(COINS_COLLECTED_STAT, level->get_total_coins());
 143   global_stats.set_total_points(BADGUYS_KILLED_STAT, level->get_total_badguys());
 144
 145   // get time
 146   int time = 0;
 147   for(std::vector<Sector*>::iterator i = level->sectors.begin(); i != level->sectors.end(); ++i)
 148   {
 149     Sector* sec = *i;
 150
 151     for(std::vector<GameObject*>::iterator j = sec->gameobjects.begin();
 152         j != sec->gameobjects.end(); ++j)
 153     {
 154       GameObject* obj = *j;
 155
 156       LevelTime* lt = dynamic_cast<LevelTime*> (obj);
 157       if(lt)
 158         time += int(lt->get_level_time());
 159     }
 160   }
 161   global_stats.set_total_points(TIME_NEEDED_STAT, (time == 0) ? -1 : time);
 162
 163   if (fromBeginning) reset_sector="";
 164   if(reset_sector != "") {
 165     currentsector = level->get_sector(reset_sector);
 166     if(!currentsector) {
 167       std::stringstream msg;
 168       msg << "Couldn't find sector '" << reset_sector << "' for resetting tux.";
 169       throw std::runtime_error(msg.str());
 170     }
 171     currentsector->activate(reset_pos);
 172   } else {
 173     currentsector = level->get_sector("main");
 174     if(!currentsector)
 175       throw std::runtime_error("Couldn't find main sector");
 176     currentsector->activate("main");
 177   }
 178
 179   if(mode == ST_GL_PLAY || mode == ST_GL_LOAD_LEVEL_FILE)
 180     levelintro();
 181
 182   currentsector->play_music(LEVEL_MUSIC);
 183
 184   if(capture_file != "")
 185     record_demo(capture_file);
 186 }
 187
 188 GameSession::~GameSession()
 189 {
 190   delete capture_demo_stream;
 191   delete playback_demo_stream;
 192   delete demo_controller;
 193
 194   delete end_sequence_controller;
 195   delete level;
 196   for (uint16_t i=0; i < sizeof(::consoleCommands)/sizeof(typeof(consoleCommands[0])); i++) {
 197     Console::unregisterCommand(consoleCommands[i], this);
 198   }
 199
 200   delete statistics_backdrop;
 201
 202   current_ = NULL;
 203 }
 204
 205 void
 206 GameSession::record_demo(const std::string& filename)
 207 {
 208   delete capture_demo_stream;
 209
 210   capture_demo_stream = new std::ofstream(filename.c_str());
 211   if(!capture_demo_stream->good()) {
 212     std::stringstream msg;
 213     msg << "Couldn't open demo file '" << filename << "' for writing.";
 214     throw std::runtime_error(msg.str());
 215   }
 216   capture_file = filename;
 217 }
 218
 219 void
 220 GameSession::play_demo(const std::string& filename)
 221 {
 222   delete playback_demo_stream;
 223   delete demo_controller;
 224
 225   playback_demo_stream = new std::ifstream(filename.c_str());
 226   if(!playback_demo_stream->good()) {
 227     std::stringstream msg;
 228     msg << "Couldn't open demo file '" << filename << "' for reading.";
 229     throw std::runtime_error(msg.str());
 230   }
 231
 232   Player& tux = *currentsector->player;
 233   demo_controller = new CodeController();
 234   tux.set_controller(demo_controller);
 235 }
 236
 237 void
 238 GameSession::levelintro()
 239 {
 240   char str[60];
 241
 242   sound_manager->stop_music();
 243
 244   DrawingContext context;
 245   for(Sector::GameObjects::iterator i = currentsector->gameobjects.begin();
 246       i != currentsector->gameobjects.end(); ++i) {
 247     Background* background = dynamic_cast<Background*> (*i);
 248     if(background) {
 249       background->draw(context);
 250     }
 251     Gradient* gradient = dynamic_cast<Gradient*> (*i);
 252     if(gradient) {
 253       gradient->draw(context);
 254     }
 255   }
 256
 257 //  context.draw_text(gold_text, level->get_name(), Vector(SCREEN_WIDTH/2, 160),
 258 //      CENTER_ALLIGN, LAYER_FOREGROUND1);
 259   context.draw_center_text(gold_text, level->get_name(), Vector(0, 160),
 260       LAYER_FOREGROUND1);
 261
 262   sprintf(str, "Coins: %d", player_status->coins);
 263   context.draw_text(white_text, str, Vector(SCREEN_WIDTH/2, 210),
 264       CENTER_ALLIGN, LAYER_FOREGROUND1);
 265
 266   if((level->get_author().size()) && (level->get_author() != "SuperTux Team"))
 267     //TODO make author check case/blank-insensitive
 268     context.draw_text(white_small_text,
 269       std::string(_("contributed by ")) + level->get_author(),
 270       Vector(SCREEN_WIDTH/2, 350), CENTER_ALLIGN, LAYER_FOREGROUND1);
 271
 272
 273   if(best_level_statistics != NULL)
 274     best_level_statistics->draw_message_info(context, _("Best Level Statistics"));
 275
 276   wait_for_event(1.0, 3.0);
 277 }
 278
 279 void
 280 GameSession::on_escape_press()
 281 {
 282   if(currentsector->player->is_dying() || end_sequence != NO_ENDSEQUENCE)
 283     return;   // don't let the player open the menu, when he is dying
 284
 285   if(mode == ST_GL_TEST) {
 286     main_loop->exit_screen();
 287   } else if (!Menu::current()) {
 288     Menu::set_current(game_menu);
 289     game_menu->set_active_item(MNID_CONTINUE);
 290     game_pause = true;
 291   } else {
 292     game_pause = false;
 293   }
 294 }
 295
 296 void
 297 GameSession::process_events()
 298 {
 299   Player& tux = *currentsector->player;
 300
 301   // end of pause mode?
 302   if(!Menu::current() && game_pause) {
 303     game_pause = false;
 304   }
 305
 306   if (end_sequence != NO_ENDSEQUENCE) {
 307     if(end_sequence_controller == 0) {
 308       end_sequence_controller = new CodeController();
 309       tux.set_controller(end_sequence_controller);
 310     }
 311
 312     end_sequence_controller->press(Controller::RIGHT);
 313
 314     if (int(last_x_pos) == int(tux.get_pos().x))
 315       end_sequence_controller->press(Controller::JUMP);
 316     last_x_pos = tux.get_pos().x;
 317   }
 318
 319   // playback a demo?
 320   if(playback_demo_stream != 0) {
 321     demo_controller->update();
 322     char left = false;
 323     char right = false;
 324     char up = false;
 325     char down = false;
 326     char jump = false;
 327     char action = false;
 328     playback_demo_stream->get(left);
 329     playback_demo_stream->get(right);
 330     playback_demo_stream->get(up);
 331     playback_demo_stream->get(down);
 332     playback_demo_stream->get(jump);
 333     playback_demo_stream->get(action);
 334     demo_controller->press(Controller::LEFT, left);
 335     demo_controller->press(Controller::RIGHT, right);
 336     demo_controller->press(Controller::UP, up);
 337     demo_controller->press(Controller::DOWN, down);
 338     demo_controller->press(Controller::JUMP, jump);
 339     demo_controller->press(Controller::ACTION, action);
 340   }
 341
 342   // save input for demo?
 343   if(capture_demo_stream != 0) {
 344     capture_demo_stream ->put(main_controller->hold(Controller::LEFT));
 345     capture_demo_stream ->put(main_controller->hold(Controller::RIGHT));
 346     capture_demo_stream ->put(main_controller->hold(Controller::UP));
 347     capture_demo_stream ->put(main_controller->hold(Controller::DOWN));
 348     capture_demo_stream ->put(main_controller->hold(Controller::JUMP));
 349     capture_demo_stream ->put(main_controller->hold(Controller::ACTION));
 350   }
 351 }
 352
 353 bool
 354 GameSession::consoleCommand(std::string command, std::vector<std::string> arguments)
 355 {
 356   if (command == "foo") {
 357     msg_info << "bar" << std::endl;
 358     return true;
 359   }
 360
 361   if (currentsector == 0) return false;
 362   Player& tux = *currentsector->player;
 363
 364   // Cheating words (the goal of this is really for debugging,
 365   // but could be used for some cheating, nothing wrong with that)
 366   if (command == "grow") {
 367     tux.set_bonus(GROWUP_BONUS, false);
 368     return true;
 369   }
 370   if (command == "fire") {
 371     tux.set_bonus(FIRE_BONUS, false);
 372     return true;
 373   }
 374   if (command == "ice") {
 375     tux.set_bonus(ICE_BONUS, false);
 376     return true;
 377   }
 378   if (command == "coins") {
 379     if ((arguments.size() < 1) || (!Console::string_is<int>(arguments[0]))) {
 380       msg_info << "Usage: coins <number>" << std::endl;
 381     } else {
 382       player_status->coins = Console::string_to<int>(arguments[0]);
 383     }
 384     return true;
 385   }
 386   if (command == "numberofthebeast") {
 387     player_status->coins += 55;
 388     return true;
 389   }
 390   if (command == "grease") {
 391     tux.physic.set_velocity_x(tux.physic.get_velocity_x()*3);
 392     return true;
 393   }
 394   if (command == "invincible") {
 395     // be invincle for the rest of the level
 396     tux.invincible_timer.start(10000);
 397     return true;
 398   }
 399   if (command == "mortal") {
 400     // give up invincibility
 401     tux.invincible_timer.stop();
 402     return true;
 403   }
 404   if (command == "shrink") {
 405     // remove powerups
 406     tux.kill(tux.SHRINK);
 407     return true;
 408   }
 409   if (command == "kill") {
 410     tux.kill(tux.KILL);
 411     return true;
 412   }
 413   if (command == "restart") {
 414     restart_level(true);
 415     return true;
 416   }
 417   if (command == "whereami") {
 418     msg_info << "You are at x " << tux.get_pos().x << ", y " << tux.get_pos().y << std::endl;
 419     return true;
 420   }
 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(true);
 436     return true;
 437   }
 438   if (command == "camera") {
 439     msg_info << "Camera is at " << Sector::current()->camera->get_translation().x << "," << Sector::current()->camera->get_translation().y << std::endl;
 440     return true;
 441   }
 442   if (command == "quit") {
 443     main_loop->quit();
 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     finish(true);
 458     return;
 459   } else if (!end_sequence && tux->is_dead()) {
 460     if (player_status->coins < 0) {
 461       // No more coins: restart level from beginning
 462       player_status->coins = 0;
 463       restart_level(true);
 464     } else {
 465       // Still has coins: restart level from last reset point
 466       restart_level(false);
 467     }
 468
 469     return;
 470   }
 471 }
 472
 473 void
 474 GameSession::draw(DrawingContext& context)
 475 {
 476   currentsector->draw(context);
 477   drawstatus(context);
 478
 479   if(game_pause)
 480     draw_pause(context);
 481 }
 482
 483 void
 484 GameSession::draw_pause(DrawingContext& context)
 485 {
 486   context.draw_filled_rect(
 487       Vector(0,0), Vector(SCREEN_WIDTH, SCREEN_HEIGHT),
 488       Color(.2, .2, .2, .5), LAYER_FOREGROUND1);
 489 }
 490
 491 void
 492 GameSession::process_menu()
 493 {
 494   Menu* menu = Menu::current();
 495   if(menu) {
 496     menu->update();
 497
 498     if(menu == game_menu) {
 499       switch (game_menu->check()) {
 500         case MNID_CONTINUE:
 501           Menu::set_current(0);
 502           break;
 503         case MNID_ABORTLEVEL:
 504           Menu::set_current(0);
 505           main_loop->exit_screen();
 506           break;
 507       }
 508     } else if(menu == options_menu) {
 509       process_options_menu();
 510     }
 511   }
 512 }
 513
 514 void
 515 GameSession::setup()
 516 {
 517   Menu::set_current(NULL);
 518   current_ = this;
 519
 520   // Eat unneeded events
 521   SDL_Event event;
 522   while(SDL_PollEvent(&event))
 523   {}
 524 }
 525
 526 void
 527 GameSession::update(float elapsed_time)
 528 {
 529   process_events();
 530   process_menu();
 531
 532   check_end_conditions();
 533
 534   // handle controller
 535   if(main_controller->pressed(Controller::PAUSE_MENU))
 536     on_escape_press();
 537
 538   // respawning in new sector?
 539   if(newsector != "" && newspawnpoint != "") {
 540     Sector* sector = level->get_sector(newsector);
 541     if(sector == 0) {
 542       msg_warning << "Sector '" << newsector << "' not found" << std::endl;
 543     }
 544     sector->activate(newspawnpoint);
 545     sector->play_music(LEVEL_MUSIC);
 546     currentsector = sector;
 547     newsector = "";
 548     newspawnpoint = "";
 549   }
 550
 551   // Update the world state and all objects in the world
 552   if(!game_pause) {
 553     // Update the world
 554     if (end_sequence == ENDSEQUENCE_RUNNING) {
 555       currentsector->update(elapsed_time/2);
 556     } else if(end_sequence == NO_ENDSEQUENCE) {
 557       if(!currentsector->player->growing_timer.started())
 558         currentsector->update(elapsed_time);
 559     }
 560   }
 561
 562   // update sounds
 563   sound_manager->set_listener_position(currentsector->player->get_pos());
 564
 565   /* Handle music: */
 566   if (currentsector->player->invincible_timer.started() &&
 567       currentsector->player->invincible_timer.get_timeleft()
 568       > TUX_INVINCIBLE_TIME_WARNING && !end_sequence) {
 569     currentsector->play_music(HERRING_MUSIC);
 570   } else if(currentsector->get_music_type() != LEVEL_MUSIC && !end_sequence) {
 571     currentsector->play_music(LEVEL_MUSIC);
 572   }
 573 }
 574
 575 #if 0
 576 GameSession::ExitStatus
 577 GameSession::run()
 578 {
 579   Menu::set_current(0);
 580   current_ = this;
 581
 582   int fps_cnt = 0;
 583
 584   // Eat unneeded events
 585   SDL_Event event;
 586   while(SDL_PollEvent(&event))
 587   {}
 588
 589   draw();
 590
 591   Uint32 fps_ticks = SDL_GetTicks();
 592   Uint32 fps_nextframe_ticks = SDL_GetTicks();
 593   Uint32 ticks;
 594   bool skipdraw = false;
 595
 596   while (exit_status == ES_NONE) {
 597     // we run in a logical framerate so elapsed time is a constant
 598     // This will make the game run determistic and not different on different
 599     // machines
 600     static const float elapsed_time = 1.0 / LOGICAL_FPS;
 601     // old code... float elapsed_time = float(ticks - lastticks) / 1000.;
 602     if(!game_pause)
 603       game_time += elapsed_time;
 604
 605     // regulate fps
 606     ticks = SDL_GetTicks();
 607     if(ticks > fps_nextframe_ticks) {
 608       if(skipdraw == true) {
 609         // already skipped last frame? we have to slow down the game then...
 610         skipdraw = false;
 611         fps_nextframe_ticks -= (Uint32) (1000.0 / LOGICAL_FPS);
 612       } else {
 613         // don't draw all frames when we're getting too slow
 614         skipdraw = true;
 615       }
 616     } else {
 617       skipdraw = false;
 618       while(fps_nextframe_ticks > ticks) {
 619         /* just wait */
 620         // If we really have to wait long, then do an imprecise SDL_Delay()
 621         Uint32 diff = fps_nextframe_ticks - ticks;
 622         if(diff > 15) {
 623           SDL_Delay(diff - 10);
 624         }
 625         ticks = SDL_GetTicks();
 626       }
 627     }
 628     fps_nextframe_ticks = ticks + (Uint32) (1000.0 / LOGICAL_FPS);
 629
 630     process_events();
 631     process_menu();
 632
 633     // Update the world state and all objects in the world
 634     if(!game_pause)
 635     {
 636       // Update the world
 637       check_end_conditions();
 638       if (end_sequence == ENDSEQUENCE_RUNNING)
 639         update(elapsed_time/2);
 640       else if(end_sequence == NO_ENDSEQUENCE)
 641         update(elapsed_time);
 642     }
 643
 644     if(!skipdraw)
 645       draw();
 646
 647     // update sounds
 648     sound_manager->update();
 649
 650     /* Time stops in pause mode */
 651     if(game_pause || Menu::current())
 652     {
 653       continue;
 654     }
 655
 656     /* Handle music: */
 657     if (currentsector->player->invincible_timer.started() &&
 658             currentsector->player->invincible_timer.get_timeleft()
 659             > TUX_INVINCIBLE_TIME_WARNING && !end_sequence)
 660     {
 661       currentsector->play_music(HERRING_MUSIC);
 662     }
 663     /* or just normal music? */
 664     else if(currentsector->get_music_type() != LEVEL_MUSIC && !end_sequence)
 665     {
 666       currentsector->play_music(LEVEL_MUSIC);
 667     }
 668
 669     /* Calculate frames per second */
 670     if(config->show_fps)
 671     {
 672       ++fps_cnt;
 673
 674       if(SDL_GetTicks() - fps_ticks >= 500)
 675       {
 676         fps_fps = (float) fps_cnt / .5;
 677         fps_cnt = 0;
 678         fps_ticks = SDL_GetTicks();
 679       }
 680     }
 681   }
 682
 683   // just in case
 684   currentsector = 0;
 685   main_controller->reset();
 686   return exit_status;
 687 }
 688 #endif
 689
 690 void
 691 GameSession::finish(bool win)
 692 {
 693   if(win) {
 694     if(WorldMap::current())
 695       WorldMap::current()->finished_level(levelfile);
 696   }
 697
 698   main_loop->exit_screen();
 699 }
 700
 701 void
 702 GameSession::respawn(const std::string& sector, const std::string& spawnpoint)
 703 {
 704   newsector = sector;
 705   newspawnpoint = spawnpoint;
 706 }
 707
 708 void
 709 GameSession::set_reset_point(const std::string& sector, const Vector& pos)
 710 {
 711   reset_sector = sector;
 712   reset_pos = pos;
 713 }
 714
 715 std::string
 716 GameSession::get_working_directory()
 717 {
 718   return FileSystem::dirname(levelfile);
 719 }
 720
 721 void
 722 GameSession::display_info_box(const std::string& text)
 723 {
 724   InfoBox* box = new InfoBox(text);
 725
 726   bool running = true;
 727   DrawingContext context;
 728
 729   while(running)  {
 730
 731     main_controller->update();
 732     SDL_Event event;
 733     while (SDL_PollEvent(&event)) {
 734       main_controller->process_event(event);
 735       if(event.type == SDL_QUIT)
 736         throw graceful_shutdown();
 737     }
 738
 739     if(main_controller->pressed(Controller::JUMP)
 740         || main_controller->pressed(Controller::ACTION)
 741         || main_controller->pressed(Controller::PAUSE_MENU)
 742         || main_controller->pressed(Controller::MENU_SELECT))
 743       running = false;
 744     else if(main_controller->pressed(Controller::DOWN))
 745       box->scrolldown();
 746     else if(main_controller->pressed(Controller::UP))
 747       box->scrollup();
 748     box->draw(context);
 749     draw(context);
 750     context.do_drawing();
 751     sound_manager->update();
 752   }
 753
 754   delete box;
 755 }
 756
 757 void
 758 GameSession::start_sequence(const std::string& sequencename)
 759 {
 760   if(sequencename == "endsequence" || sequencename == "fireworks") {
 761     if(end_sequence)
 762       return;
 763
 764     end_sequence = ENDSEQUENCE_RUNNING;
 765     endsequence_timer.start(7.3);
 766     last_x_pos = -1;
 767     sound_manager->play_music("music/leveldone.ogg", false);
 768     currentsector->player->invincible_timer.start(7.3);
 769
 770     // Stop all clocks.
 771     for(std::vector<GameObject*>::iterator i = currentsector->gameobjects.begin();
 772         i != currentsector->gameobjects.end(); ++i)
 773     {
 774       GameObject* obj = *i;
 775
 776       LevelTime* lt = dynamic_cast<LevelTime*> (obj);
 777       if(lt)
 778         lt->stop();
 779     }
 780
 781     // add time spent to statistics
 782     int tottime = 0, remtime = 0;
 783     for(std::vector<Sector*>::iterator i = level->sectors.begin(); i != level->sectors.end(); ++i)
 784     {
 785       Sector* sec = *i;
 786
 787       for(std::vector<GameObject*>::iterator j = sec->gameobjects.begin();
 788           j != sec->gameobjects.end(); ++j)
 789       {
 790         GameObject* obj = *j;
 791
 792         LevelTime* lt = dynamic_cast<LevelTime*> (obj);
 793         if(lt)
 794         {
 795           tottime += int(lt->get_level_time());
 796           remtime += int(lt->get_remaining_time());
 797         }
 798       }
 799     }
 800     global_stats.set_points(TIME_NEEDED_STAT, (tottime == 0 ? -1 : (tottime-remtime)));
 801
 802     if(sequencename == "fireworks") {
 803       currentsector->add_object(new Fireworks());
 804     }
 805   } else if(sequencename == "stoptux") {
 806     if(!end_sequence) {
 807       msg_warning << "Final target reached without an active end sequence" << std::endl;
 808       this->start_sequence("endsequence");
 809     }
 810     end_sequence =  ENDSEQUENCE_WAITING;
 811   } else {
 812     msg_warning << "Unknown sequence '" << sequencename << "'" << std::endl;
 813   }
 814 }
 815
 816 /* (Status): */
 817 void
 818 GameSession::drawstatus(DrawingContext& context)
 819 {
 820   player_status->draw(context);
 821
 822   if(config->show_fps) {
 823     char str[60];
 824     snprintf(str, sizeof(str), "%3.1f", fps_fps);
 825     const char* fpstext = "FPS";
 826     context.draw_text(white_text, fpstext, Vector(SCREEN_WIDTH - white_text->get_text_width(fpstext) - gold_text->get_text_width(" 99999") - BORDER_X, BORDER_Y + 20), LEFT_ALLIGN, LAYER_FOREGROUND1);
 827     context.draw_text(gold_text, str, Vector(SCREEN_WIDTH - BORDER_X, BORDER_Y + 20), RIGHT_ALLIGN, LAYER_FOREGROUND1);
 828   }
 829
 830   // draw level stats while end_sequence is running
 831   if (end_sequence) {
 832     global_stats.draw_endseq_panel(context, best_level_statistics, statistics_backdrop);
 833   }
 834 }
 835