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 <iostream>
  24 #include <fstream>
  25 #include <sstream>
  26 #include <cassert>
  27 #include <cstdio>
  28 #include <cstdlib>
  29 #include <cmath>
  30 #include <cstring>
  31 #include <cerrno>
  32 #include <unistd.h>
  33 #include <ctime>
  34 #include <stdexcept>
  35
  36 #include <SDL.h>
  37
  38 #ifndef WIN32
  39 #include <sys/types.h>
  40 #include <ctype.h>
  41 #endif
  42
  43 #include "game_session.h"
  44 #include "video/screen.h"
  45 #include "gui/menu.h"
  46 #include "sector.h"
  47 #include "level.h"
  48 #include "tile.h"
  49 #include "player_status.h"
  50 #include "object/particlesystem.h"
  51 #include "object/background.h"
  52 #include "object/tilemap.h"
  53 #include "object/camera.h"
  54 #include "object/player.h"
  55 #include "lisp/lisp.h"
  56 #include "lisp/parser.h"
  57 #include "resources.h"
  58 #include "worldmap.h"
  59 #include "misc.h"
  60 #include "statistics.h"
  61 #include "timer.h"
  62 #include "object/fireworks.h"
  63 #include "textscroller.h"
  64 #include "control/codecontroller.h"
  65 #include "control/joystickkeyboardcontroller.h"
  66 #include "main.h"
  67 #include "gameconfig.h"
  68 #include "gettext.h"
  69
  70 // the engine will be run with a lofical framerate of 64fps.
  71 // We choose 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
  86   game_pause = false;
  87   fps_fps = 0;
  88
  89   context = new DrawingContext();
  90
  91   restart_level();
  92 }
  93
  94 void
  95 GameSession::restart_level()
  96 {
  97   game_pause   = false;
  98   exit_status  = ES_NONE;
  99   end_sequence = NO_ENDSEQUENCE;
 100
 101   main_controller->reset();
 102
 103   delete level;
 104   currentsector = 0;
 105
 106   level = new Level;
 107   level->load(levelfile);
 108
 109   global_stats.reset();
 110   global_stats.set_total_points(COINS_COLLECTED_STAT, level->get_total_coins());
 111   global_stats.set_total_points(BADGUYS_KILLED_STAT, level->get_total_badguys());
 112   global_stats.set_total_points(TIME_NEEDED_STAT, level->timelimit);
 113
 114   if(reset_sector != "") {
 115     currentsector = level->get_sector(reset_sector);
 116     if(!currentsector) {
 117       std::stringstream msg;
 118       msg << "Couldn't find sector '" << reset_sector << "' for resetting tux.";
 119       throw std::runtime_error(msg.str());
 120     }
 121     currentsector->activate(reset_pos);
 122   } else {
 123     currentsector = level->get_sector("main");
 124     if(!currentsector)
 125       throw std::runtime_error("Couldn't find main sector");
 126     currentsector->activate("main");
 127   }
 128
 129   if(mode == ST_GL_PLAY || mode == ST_GL_LOAD_LEVEL_FILE)
 130     levelintro();
 131
 132   start_timers();
 133   currentsector->play_music(LEVEL_MUSIC);
 134
 135   if(capture_file != "")
 136     record_demo(capture_file);
 137 }
 138
 139 GameSession::~GameSession()
 140 {
 141   delete capture_demo_stream;
 142   delete playback_demo_stream;
 143   delete demo_controller;
 144
 145   delete end_sequence_controller;
 146   delete level;
 147   delete context;
 148 }
 149
 150 void
 151 GameSession::record_demo(const std::string& filename)
 152 {
 153   delete capture_demo_stream;
 154
 155   capture_demo_stream = new std::ofstream(filename.c_str());
 156   if(!capture_demo_stream->good()) {
 157     std::stringstream msg;
 158     msg << "Couldn't open demo file '" << filename << "' for writing.";
 159     throw std::runtime_error(msg.str());
 160   }
 161   capture_file = filename;
 162 }
 163
 164 void
 165 GameSession::play_demo(const std::string& filename)
 166 {
 167   delete playback_demo_stream;
 168   delete demo_controller;
 169
 170   playback_demo_stream = new std::ifstream(filename.c_str());
 171   if(!playback_demo_stream->good()) {
 172     std::stringstream msg;
 173     msg << "Couldn't open demo file '" << filename << "' for reading.";
 174     throw std::runtime_error(msg.str());
 175   }
 176
 177   Player& tux = *currentsector->player;
 178   demo_controller = new CodeController();
 179   tux.set_controller(demo_controller);
 180 }
 181
 182 void
 183 GameSession::levelintro()
 184 {
 185   sound_manager->halt_music();
 186
 187   char str[60];
 188
 189   DrawingContext context;
 190   for(Sector::GameObjects::iterator i = currentsector->gameobjects.begin();
 191       i != currentsector->gameobjects.end(); ++i) {
 192     Background* background = dynamic_cast<Background*> (*i);
 193     if(background) {
 194       background->draw(context);
 195     }
 196   }
 197
 198 //  context.draw_text(gold_text, level->get_name(), Vector(SCREEN_WIDTH/2, 160),
 199 //      CENTER_ALLIGN, LAYER_FOREGROUND1);
 200   context.draw_center_text(gold_text, level->get_name(), Vector(0, 160),
 201       LAYER_FOREGROUND1);
 202
 203   sprintf(str, "TUX x %d", player_status.lives);
 204   context.draw_text(white_text, str, Vector(SCREEN_WIDTH/2, 210),
 205       CENTER_ALLIGN, LAYER_FOREGROUND1);
 206
 207   if((level->get_author().size()) && (level->get_author() != "SuperTux Team"))
 208     //TODO make author check case/blank-insensitive
 209     context.draw_text(white_small_text,
 210       std::string(_("contributed by ")) + level->get_author(),
 211       Vector(SCREEN_WIDTH/2, 350), CENTER_ALLIGN, LAYER_FOREGROUND1);
 212
 213
 214   if(best_level_statistics != NULL)
 215     best_level_statistics->draw_message_info(context, _("Best Level Statistics"));
 216
 217   context.do_drawing();
 218
 219   wait_for_event(1.0, 3.0);
 220 }
 221
 222 /* Reset Timers */
 223 void
 224 GameSession::start_timers()
 225 {
 226   time_left.start(level->timelimit);
 227 }
 228
 229 void
 230 GameSession::on_escape_press()
 231 {
 232   if(currentsector->player->is_dying() || end_sequence != NO_ENDSEQUENCE)
 233     return;   // don't let the player open the menu, when he is dying
 234
 235   if(mode == ST_GL_TEST) {
 236     exit_status = ES_LEVEL_ABORT;
 237   } else if (!Menu::current()) {
 238     Menu::set_current(game_menu);
 239     game_menu->set_active_item(MNID_CONTINUE);
 240     game_pause = true;
 241   } else {
 242     game_pause = false;
 243   }
 244 }
 245
 246 void
 247 GameSession::process_events()
 248 {
 249   Player& tux = *currentsector->player;
 250   main_controller->update();
 251
 252   // end of pause mode?
 253   if(!Menu::current() && game_pause) {
 254     game_pause = false;
 255   }
 256
 257   if (end_sequence != NO_ENDSEQUENCE) {
 258     if(end_sequence_controller == 0) {
 259       end_sequence_controller = new CodeController();
 260       tux.set_controller(end_sequence_controller);
 261     }
 262
 263     end_sequence_controller->press(Controller::RIGHT);
 264
 265     if (int(last_x_pos) == int(tux.get_pos().x))
 266       end_sequence_controller->press(Controller::JUMP);
 267     last_x_pos = tux.get_pos().x;
 268   }
 269
 270   main_controller->update();
 271   SDL_Event event;
 272   while (SDL_PollEvent(&event)) {
 273     /* Check for menu-events, if the menu is shown */
 274     if (Menu::current())
 275       Menu::current()->event(event);
 276     main_controller->process_event(event);
 277     if(event.type == SDL_QUIT)
 278       throw std::runtime_error("Received window close");
 279   }
 280
 281   // playback a demo?
 282   if(playback_demo_stream != 0) {
 283     demo_controller->update();
 284     char left = false;
 285     char right = false;
 286     char up = false;
 287     char down = false;
 288     char jump = false;
 289     char action = false;
 290     playback_demo_stream->get(left);
 291     playback_demo_stream->get(right);
 292     playback_demo_stream->get(up);
 293     playback_demo_stream->get(down);
 294     playback_demo_stream->get(jump);
 295     playback_demo_stream->get(action);
 296     demo_controller->press(Controller::LEFT, left);
 297     demo_controller->press(Controller::RIGHT, right);
 298     demo_controller->press(Controller::UP, up);
 299     demo_controller->press(Controller::DOWN, down);
 300     demo_controller->press(Controller::JUMP, jump);
 301     demo_controller->press(Controller::ACTION, action);
 302   }
 303
 304   // save input for demo?
 305   if(capture_demo_stream != 0) {
 306     capture_demo_stream ->put(main_controller->hold(Controller::LEFT));
 307     capture_demo_stream ->put(main_controller->hold(Controller::RIGHT));
 308     capture_demo_stream ->put(main_controller->hold(Controller::UP));
 309     capture_demo_stream ->put(main_controller->hold(Controller::DOWN));
 310     capture_demo_stream ->put(main_controller->hold(Controller::JUMP));
 311     capture_demo_stream ->put(main_controller->hold(Controller::ACTION));
 312   }
 313 }
 314
 315 void
 316 GameSession::try_cheats()
 317 {
 318   Player& tux = *currentsector->player;
 319
 320   // Cheating words (the goal of this is really for debugging,
 321   // but could be used for some cheating, nothing wrong with that)
 322   if(main_controller->check_cheatcode("grow")) {
 323     tux.set_bonus(GROWUP_BONUS, false);
 324   }
 325   if(main_controller->check_cheatcode("fire")) {
 326     tux.set_bonus(FIRE_BONUS, false);
 327   }
 328   if(main_controller->check_cheatcode("ice")) {
 329     tux.set_bonus(ICE_BONUS, false);
 330   }
 331   if(main_controller->check_cheatcode("lifeup")) {
 332     player_status.lives++;
 333   }
 334   if(main_controller->check_cheatcode("lifedown")) {
 335     player_status.lives--;
 336   }
 337   if(main_controller->check_cheatcode("grease")) {
 338     tux.physic.set_velocity_x(tux.physic.get_velocity_x()*3);
 339   }
 340   if(main_controller->check_cheatcode("invincible")) {
 341     // be invincle for the rest of the level
 342     tux.invincible_timer.start(10000);
 343   }
 344   if(main_controller->check_cheatcode("shrink")) {
 345     // remove powerups
 346     tux.kill(tux.SHRINK);
 347   }
 348   if(main_controller->check_cheatcode("kill")) {
 349     // kill Tux, but without losing a life
 350     player_status.lives++;
 351     tux.kill(tux.KILL);
 352   }
 353 #if 0
 354   if(main_controller->check_cheatcode("grid")) {
 355     // toggle debug grid
 356     debug_grid = !debug_grid;
 357   }
 358 #endif
 359   if(main_controller->check_cheatcode("hover")) {
 360     // toggle hover ability on/off
 361     tux.enable_hover = !tux.enable_hover;
 362   }
 363   if(main_controller->check_cheatcode("gotoend")) {
 364     // goes to the end of the level
 365     tux.move(Vector(
 366           (currentsector->solids->get_width()*32) - (SCREEN_WIDTH*2), 0));
 367     currentsector->camera->reset(
 368         Vector(tux.get_pos().x, tux.get_pos().y));
 369   }
 370   if(main_controller->check_cheatcode("finish")) {
 371     // finish current sector
 372     exit_status = ES_LEVEL_FINISHED;
 373     // don't add points to stats though...
 374   }
 375   // temporary to help player's choosing a flapping
 376   if(main_controller->check_cheatcode("marek")) {
 377     tux.flapping_mode = Player::MAREK_FLAP;
 378   }
 379   if(main_controller->check_cheatcode("ricardo")) {
 380     tux.flapping_mode = Player::RICARDO_FLAP;
 381   }
 382   if(main_controller->check_cheatcode("ryan")) {
 383     tux.flapping_mode = Player::RYAN_FLAP;
 384   }
 385 }
 386
 387 void
 388 GameSession::check_end_conditions()
 389 {
 390   Player* tux = currentsector->player;
 391
 392   /* End of level? */
 393   if(end_sequence && endsequence_timer.check()) {
 394     exit_status = ES_LEVEL_FINISHED;
 395     return;
 396   } else if (!end_sequence && tux->is_dead()) {
 397     if (player_status.lives < 0) { // No more lives!?
 398       exit_status = ES_GAME_OVER;
 399     } else { // Still has lives, so reset Tux to the levelstart
 400       restart_level();
 401     }
 402
 403     return;
 404   }
 405 }
 406
 407 void
 408 GameSession::action(float elapsed_time)
 409 {
 410   // handle controller
 411   if(main_controller->pressed(Controller::PAUSE_MENU))
 412     on_escape_press();
 413
 414   // advance timers
 415   if(!currentsector->player->growing_timer.started()) {
 416     // Update Tux and the World
 417     currentsector->action(elapsed_time);
 418   }
 419
 420   // respawning in new sector?
 421   if(newsector != "" && newspawnpoint != "") {
 422     Sector* sector = level->get_sector(newsector);
 423     if(sector == 0) {
 424       std::cerr << "Sector '" << newsector << "' not found.\n";
 425     }
 426     sector->activate(newspawnpoint);
 427     sector->play_music(LEVEL_MUSIC);
 428     currentsector = sector;
 429     newsector = "";
 430     newspawnpoint = "";
 431   }
 432 }
 433
 434 void
 435 GameSession::draw()
 436 {
 437   currentsector->draw(*context);
 438   drawstatus(*context);
 439
 440   if(game_pause)
 441     draw_pause();
 442
 443   if(Menu::current()) {
 444     Menu::current()->draw(*context);
 445     mouse_cursor->draw(*context);
 446   }
 447
 448   context->do_drawing();
 449 }
 450
 451 void
 452 GameSession::draw_pause()
 453 {
 454   int x = SCREEN_HEIGHT / 20;
 455   for(int i = 0; i < x; ++i) {
 456     context->draw_filled_rect(
 457         Vector(i % 2 ? (pause_menu_frame * i)%SCREEN_WIDTH :
 458           -((pause_menu_frame * i)%SCREEN_WIDTH)
 459           ,(i*20+pause_menu_frame)%SCREEN_HEIGHT),
 460         Vector(SCREEN_WIDTH,10),
 461         Color(20,20,20, rand() % 20 + 1), LAYER_FOREGROUND1+1);
 462   }
 463
 464   context->draw_filled_rect(
 465       Vector(0,0), Vector(SCREEN_WIDTH, SCREEN_HEIGHT),
 466       Color(rand() % 50, rand() % 50, rand() % 50, 128), LAYER_FOREGROUND1);
 467 #if 0
 468   context->draw_text(blue_text, _("PAUSE - Press 'P' To Play"),
 469       Vector(SCREEN_WIDTH/2, 230), CENTER_ALLIGN, LAYER_FOREGROUND1+2);
 470
 471   const char* str1 = _("Playing: ");
 472   const char* str2 = level->get_name().c_str();
 473
 474   context->draw_text(blue_text, str1,
 475       Vector((SCREEN_WIDTH - (blue_text->get_text_width(str1) + white_text->get_text_width(str2)))/2, 340),
 476       LEFT_ALLIGN, LAYER_FOREGROUND1+2);
 477   context->draw_text(white_text, str2,
 478       Vector(((SCREEN_WIDTH - (blue_text->get_text_width(str1) + white_text->get_text_width(str2)))/2)+blue_text->get_text_width(str1), 340),
 479       LEFT_ALLIGN, LAYER_FOREGROUND1+2);
 480 #endif
 481 }
 482
 483 void
 484 GameSession::process_menu()
 485 {
 486   Menu* menu = Menu::current();
 487   if(menu) {
 488     menu->action();
 489
 490     if(menu == game_menu) {
 491       switch (game_menu->check()) {
 492         case MNID_CONTINUE:
 493           Menu::set_current(0);
 494           break;
 495         case MNID_ABORTLEVEL:
 496           Menu::set_current(0);
 497           exit_status = ES_LEVEL_ABORT;
 498           break;
 499       }
 500     } else if(menu == options_menu) {
 501       process_options_menu();
 502     } else if(menu == load_game_menu ) {
 503       process_load_game_menu();
 504     }
 505   }
 506 }
 507
 508
 509 GameSession::ExitStatus
 510 GameSession::run()
 511 {
 512   Menu::set_current(0);
 513   current_ = this;
 514
 515   int fps_cnt = 0;
 516
 517   // Eat unneeded events
 518   SDL_Event event;
 519   while(SDL_PollEvent(&event))
 520   {}
 521
 522   draw();
 523
 524   Uint32 fps_ticks = SDL_GetTicks();
 525   Uint32 fps_nextframe_ticks = SDL_GetTicks();
 526   Uint32 ticks;
 527   bool skipdraw = false;
 528
 529   while (exit_status == ES_NONE) {
 530     // we run in a logical framerate so elapsed time is a constant
 531     static const float elapsed_time = 1.0 / LOGICAL_FPS;
 532     // old code... float elapsed_time = float(ticks - lastticks) / 1000.;
 533     if(!game_pause)
 534       global_time += elapsed_time;
 535
 536     skipdraw = false;
 537
 538     // regulate fps
 539     ticks = SDL_GetTicks();
 540     if(ticks > fps_nextframe_ticks) {
 541       // don't draw all frames when we're getting too slow
 542       skipdraw = true;
 543     } else {
 544       while(fps_nextframe_ticks > ticks) {
 545         /* just wait */
 546         // If we really have to wait long, then do an imprecise SDL_Delay()
 547         Uint32 diff = fps_nextframe_ticks - ticks;
 548         if(diff > 15) {
 549           SDL_Delay(diff - 10);
 550         }
 551         ticks = SDL_GetTicks();
 552       }
 553     }
 554     fps_nextframe_ticks = ticks + (Uint32) (1000.0 / LOGICAL_FPS);
 555
 556 #if 0
 557     float diff = SDL_GetTicks() - fps_nextframe_ticks;
 558     if (diff > 5.0) {
 559          // sets the ticks that must have elapsed
 560         fps_nextframe_ticks = SDL_GetTicks() + (1000.0 / LOGICAL_FPS);
 561     } else {
 562         // sets the ticks that must have elapsed
 563         // in order for the next frame to start.
 564         fps_nextframe_ticks += 1000.0 / LOGICAL_FPS;
 565     }
 566 #endif
 567
 568     process_events();
 569     process_menu();
 570
 571     // Update the world state and all objects in the world
 572     // Do that with a constante time-delta so that the game will run
 573     // determistic and not different on different machines
 574     if(!game_pause && !Menu::current())
 575     {
 576       // Update the world
 577       check_end_conditions();
 578       if (end_sequence == ENDSEQUENCE_RUNNING)
 579         action(elapsed_time/2);
 580       else if(end_sequence == NO_ENDSEQUENCE)
 581         action(elapsed_time);
 582     }
 583     else
 584     {
 585       ++pause_menu_frame;
 586     }
 587
 588     if(!skipdraw)
 589       draw();
 590
 591     /* Time stops in pause mode */
 592     if(game_pause || Menu::current())
 593     {
 594       continue;
 595     }
 596
 597     //frame_rate.update();
 598
 599     /* Handle time: */
 600     if (time_left.check() && !end_sequence)
 601       currentsector->player->kill(Player::KILL);
 602
 603     /* Handle music: */
 604     if (currentsector->player->invincible_timer.started() && !end_sequence)
 605     {
 606       currentsector->play_music(HERRING_MUSIC);
 607     }
 608     /* or just normal music? */
 609     else if(currentsector->get_music_type() != LEVEL_MUSIC && !end_sequence)
 610     {
 611       currentsector->play_music(LEVEL_MUSIC);
 612     }
 613
 614     /* Calculate frames per second */
 615     if(config->show_fps)
 616     {
 617       ++fps_cnt;
 618
 619       if(SDL_GetTicks() - fps_ticks >= 500)
 620       {
 621         fps_fps = (float) fps_cnt / .5;
 622         fps_cnt = 0;
 623         fps_ticks = SDL_GetTicks();
 624       }
 625     }
 626   }
 627
 628   // just in case
 629   main_controller->reset();
 630   return exit_status;
 631 }
 632
 633 void
 634 GameSession::respawn(const std::string& sector, const std::string& spawnpoint)
 635 {
 636   newsector = sector;
 637   newspawnpoint = spawnpoint;
 638 }
 639
 640 void
 641 GameSession::set_reset_point(const std::string& sector, const Vector& pos)
 642 {
 643   reset_sector = sector;
 644   reset_pos = pos;
 645 }
 646
 647 void
 648 GameSession::display_info_box(const std::string& text)
 649 {
 650   InfoBox* box = new InfoBox(text);
 651
 652   bool running = true;
 653   while(running)  {
 654
 655     main_controller->update();
 656     SDL_Event event;
 657     while (SDL_PollEvent(&event)) {
 658       main_controller->process_event(event);
 659       if(event.type == SDL_QUIT)
 660         throw std::runtime_error("Received window close event");
 661     }
 662
 663     if(main_controller->pressed(Controller::JUMP)
 664         || main_controller->pressed(Controller::ACTION)
 665         || main_controller->pressed(Controller::PAUSE_MENU)
 666         || main_controller->pressed(Controller::MENU_SELECT))
 667       running = false;
 668     box->draw(*context);
 669     draw();
 670   }
 671
 672   delete box;
 673 }
 674
 675 void
 676 GameSession::start_sequence(const std::string& sequencename)
 677 {
 678   if(sequencename == "endsequence" || sequencename == "fireworks") {
 679     if(end_sequence)
 680       return;
 681
 682     end_sequence = ENDSEQUENCE_RUNNING;
 683     endsequence_timer.start(7.0); // 7 seconds until we finish the map
 684     last_x_pos = -1;
 685     sound_manager->play_music(level_end_song, 0);
 686     currentsector->player->invincible_timer.start(7.0);
 687
 688     // add left time to stats
 689     global_stats.set_points(TIME_NEEDED_STAT,
 690         int(time_left.get_period() - time_left.get_timeleft()));
 691
 692     if(sequencename == "fireworks") {
 693       currentsector->add_object(new Fireworks());
 694     }
 695   } else if(sequencename == "stoptux") {
 696     end_sequence =  ENDSEQUENCE_WAITING;
 697   } else {
 698     std::cout << "Unknown sequence '" << sequencename << "'.\n";
 699   }
 700 }
 701
 702 /* (Status): */
 703 void
 704 GameSession::drawstatus(DrawingContext& context)
 705 {
 706   char str[60];
 707
 708   snprintf(str, 60, " %d", global_stats.get_points(SCORE_STAT));
 709   context.draw_text(white_text, _("SCORE"), Vector(0, 0), LEFT_ALLIGN, LAYER_FOREGROUND1);
 710   context.draw_text(gold_text, str, Vector(96, 0), LEFT_ALLIGN, LAYER_FOREGROUND1);
 711
 712   if(mode == ST_GL_TEST) {
 713     context.draw_text(white_text, _("Press ESC To Return"), Vector(0,20),
 714                       LEFT_ALLIGN, LAYER_FOREGROUND1);
 715   }
 716
 717   if(time_left.get_timeleft() < 0) {
 718     context.draw_text(white_text, _("TIME's UP"), Vector(SCREEN_WIDTH/2, 0),
 719         CENTER_ALLIGN, LAYER_FOREGROUND1);
 720   } else if (time_left.get_timeleft() > TIME_WARNING
 721       || int(global_time * 2.5) % 2) {
 722     sprintf(str, " %d", int(time_left.get_timeleft()));
 723     context.draw_text(white_text, _("TIME"),
 724         Vector(SCREEN_WIDTH/2, 0), CENTER_ALLIGN, LAYER_FOREGROUND1);
 725     context.draw_text(gold_text, str,
 726         Vector(SCREEN_WIDTH/2 + 4*16, 0), CENTER_ALLIGN, LAYER_FOREGROUND1);
 727   }
 728
 729   sprintf(str, " %d", player_status.coins);
 730   context.draw_text(white_text, _("COINS"),
 731       Vector(SCREEN_WIDTH - white_text->get_text_width(_("COINS"))-white_text->get_text_width("   99"), 0),
 732         LEFT_ALLIGN, LAYER_FOREGROUND1);
 733   context.draw_text(gold_text, str,
 734       Vector(SCREEN_WIDTH - gold_text->get_text_width(" 99"), 0),LEFT_ALLIGN, LAYER_FOREGROUND1);
 735
 736   if (player_status.lives >= 5)
 737     {
 738       sprintf(str, "%dx", player_status.lives);
 739       float x = SCREEN_WIDTH - gold_text->get_text_width(str) - tux_life->w;
 740       context.draw_text(gold_text, str, Vector(x, 20), LEFT_ALLIGN, LAYER_FOREGROUND1);
 741       context.draw_surface(tux_life, Vector(SCREEN_WIDTH - 16, 20),
 742           LAYER_FOREGROUND1);
 743     }
 744   else
 745     {
 746       for(int i= 0; i < player_status.lives; ++i)
 747         context.draw_surface(tux_life,
 748             Vector(SCREEN_WIDTH - tux_life->w*4 +(tux_life->w*i), 20),
 749             LAYER_FOREGROUND1);
 750     }
 751
 752   context.draw_text(white_text, _("LIVES"),
 753       Vector(SCREEN_WIDTH - white_text->get_text_width(_("LIVES")) - white_text->get_text_width("   99"), 20),
 754       LEFT_ALLIGN, LAYER_FOREGROUND1);
 755
 756   if(config->show_fps) {
 757     sprintf(str, "%2.1f", fps_fps);
 758     context.draw_text(white_text, "FPS",
 759                       Vector(SCREEN_WIDTH -
 760                              white_text->get_text_width("FPS     "), 40),
 761                       LEFT_ALLIGN, LAYER_FOREGROUND1);
 762     context.draw_text(gold_text, str,
 763                       Vector(SCREEN_WIDTH-4*16, 40),
 764                       LEFT_ALLIGN, LAYER_FOREGROUND1);
 765   }
 766 }
 767
 768 void
 769 GameSession::drawresultscreen()
 770 {
 771   char str[80];
 772
 773   DrawingContext context;
 774   for(Sector::GameObjects::iterator i = currentsector->gameobjects.begin();
 775       i != currentsector->gameobjects.end(); ++i) {
 776     Background* background = dynamic_cast<Background*> (*i);
 777     if(background) {
 778       background->draw(context);
 779     }
 780   }
 781
 782   context.draw_text(blue_text, _("Result:"), Vector(SCREEN_WIDTH/2, 200),
 783       CENTER_ALLIGN, LAYER_FOREGROUND1);
 784
 785   sprintf(str, _("SCORE: %d"), global_stats.get_points(SCORE_STAT));
 786   context.draw_text(gold_text, str, Vector(SCREEN_WIDTH/2, 224), CENTER_ALLIGN, LAYER_FOREGROUND1);
 787
 788   sprintf(str, _("COINS: %d"), player_status.coins);
 789   context.draw_text(gold_text, str, Vector(SCREEN_WIDTH/2, 256), CENTER_ALLIGN, LAYER_FOREGROUND1);
 790
 791   context.do_drawing();
 792
 793   wait_for_event(2.0, 5.0);
 794 }
 795
 796 std::string slotinfo(int slot)
 797 {
 798   std::string tmp;
 799   std::string slotfile;
 800   std::string title;
 801   std::stringstream stream;
 802   stream << slot;
 803   slotfile = user_dir + "/save/slot" + stream.str() + ".stsg";
 804
 805   try {
 806     lisp::Parser parser;
 807     std::auto_ptr<lisp::Lisp> root (parser.parse(slotfile));
 808
 809     const lisp::Lisp* savegame = root->get_lisp("supertux-savegame");
 810     if(!savegame)
 811       throw std::runtime_error("file is not a supertux-savegame.");
 812
 813     savegame->get("title", title);
 814   } catch(std::exception& e) {
 815     return std::string(_("Slot")) + " " + stream.str() + " - " +
 816       std::string(_("Free"));
 817   }
 818
 819   return std::string("Slot ") + stream.str() + " - " + title;
 820 }
 821
 822 bool process_load_game_menu()
 823 {
 824   int slot = load_game_menu->check();
 825
 826   if(slot == -1)
 827     return false;
 828
 829   if(load_game_menu->get_item_by_id(slot).kind != MN_ACTION)
 830     return false;
 831
 832   std::stringstream stream;
 833   stream << slot;
 834   std::string slotfile = user_dir + "/save/slot" + stream.str() + ".stsg";
 835
 836   fadeout(256);
 837   DrawingContext context;
 838   context.draw_text(white_text, "Loading...",
 839                     Vector(SCREEN_WIDTH/2, SCREEN_HEIGHT/2),
 840                     CENTER_ALLIGN, LAYER_FOREGROUND1);
 841   context.do_drawing();
 842
 843   WorldMapNS::WorldMap worldmap;
 844
 845   worldmap.set_map_filename("/levels/world1/worldmap.stwm");
 846   // Load the game or at least set the savegame_file variable
 847   worldmap.loadgame(slotfile);
 848
 849   worldmap.display();
 850
 851   Menu::set_current(main_menu);
 852
 853   return true;
 854 }