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