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 <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 #ifndef WIN32
  38 #include <sys/types.h>
  39 #include <ctype.h>
  40 #endif
  41
  42 #include "app/globals.h"
  43 #include "game_session.h"
  44 #include "video/screen.h"
  45 #include "app/setup.h"
  46 #include "gui/menu.h"
  47 #include "sector.h"
  48 #include "level.h"
  49 #include "tile.h"
  50 #include "player_status.h"
  51 #include "object/particlesystem.h"
  52 #include "object/background.h"
  53 #include "object/tilemap.h"
  54 #include "object/camera.h"
  55 #include "object/player.h"
  56 #include "lisp/lisp.h"
  57 #include "lisp/parser.h"
  58 #include "resources.h"
  59 #include "app/gettext.h"
  60 #include "worldmap.h"
  61 #include "misc.h"
  62 #include "statistics.h"
  63 #include "timer.h"
  64 #include "object/fireworks.h"
  65 #include "textscroller.h"
  66 #include "control/codecontroller.h"
  67 #include "control/joystickkeyboardcontroller.h"
  68 #include "main.h"
  69
  70 GameSession* GameSession::current_ = 0;
  71
  72 GameSession::GameSession(const std::string& levelfile_, GameSessionMode mode,
  73     Statistics* statistics)
  74   : level(0), currentsector(0), mode(mode),
  75     end_sequence(NO_ENDSEQUENCE), end_sequence_controller(0),
  76     levelfile(levelfile_), best_level_statistics(statistics)
  77 {
  78   current_ = this;
  79
  80   game_pause = false;
  81   fps_fps = 0;
  82
  83   context = new DrawingContext();
  84
  85   restart_level();
  86 }
  87
  88 void
  89 GameSession::restart_level()
  90 {
  91   game_pause   = false;
  92   exit_status  = ES_NONE;
  93   end_sequence = NO_ENDSEQUENCE;
  94
  95   main_controller->reset();
  96   last_keys.clear();
  97
  98   delete level;
  99   currentsector = 0;
 100
 101   level = new Level;
 102   level->load(levelfile);
 103
 104   global_stats.reset();
 105   global_stats.set_total_points(COINS_COLLECTED_STAT, level->get_total_coins());
 106   global_stats.set_total_points(BADGUYS_KILLED_STAT, level->get_total_badguys());
 107   global_stats.set_total_points(TIME_NEEDED_STAT, level->timelimit);
 108
 109   if(reset_sector != "") {
 110     currentsector = level->get_sector(reset_sector);
 111     if(!currentsector) {
 112       std::stringstream msg;
 113       msg << "Couldn't find sector '" << reset_sector << "' for resetting tux.";
 114       throw std::runtime_error(msg.str());
 115     }
 116     currentsector->activate(reset_pos);
 117   } else {
 118     currentsector = level->get_sector("main");
 119     if(!currentsector)
 120       throw std::runtime_error("Couldn't find main sector");
 121     currentsector->activate("main");
 122   }
 123
 124   if(mode == ST_GL_PLAY || mode == ST_GL_LOAD_LEVEL_FILE)
 125     levelintro();
 126
 127   start_timers();
 128   currentsector->play_music(LEVEL_MUSIC);
 129 }
 130
 131 GameSession::~GameSession()
 132 {
 133   delete end_sequence_controller;
 134   delete level;
 135   delete context;
 136 }
 137
 138 void
 139 GameSession::levelintro()
 140 {
 141   sound_manager->halt_music();
 142
 143   char str[60];
 144
 145   DrawingContext context;
 146   for(Sector::GameObjects::iterator i = currentsector->gameobjects.begin();
 147       i != currentsector->gameobjects.end(); ++i) {
 148     Background* background = dynamic_cast<Background*> (*i);
 149     if(background) {
 150       background->draw(context);
 151     }
 152   }
 153
 154 //  context.draw_text(gold_text, level->get_name(), Vector(SCREEN_WIDTH/2, 160),
 155 //      CENTER_ALLIGN, LAYER_FOREGROUND1);
 156   context.draw_center_text(gold_text, level->get_name(), Vector(0, 160),
 157       LAYER_FOREGROUND1);
 158
 159   sprintf(str, "TUX x %d", player_status.lives);
 160   context.draw_text(white_text, str, Vector(SCREEN_WIDTH/2, 210),
 161       CENTER_ALLIGN, LAYER_FOREGROUND1);
 162
 163   if((level->get_author().size()) && (level->get_author() != "SuperTux Team"))
 164     //TODO make author check case/blank-insensitive
 165     context.draw_text(white_small_text,
 166       std::string(_("contributed by ")) + level->get_author(),
 167       Vector(SCREEN_WIDTH/2, 350), CENTER_ALLIGN, LAYER_FOREGROUND1);
 168
 169
 170   if(best_level_statistics != NULL)
 171     best_level_statistics->draw_message_info(context, _("Best Level Statistics"));
 172
 173   context.do_drawing();
 174
 175   SDL_Event event;
 176   wait_for_event(event,1000,3000,true);
 177 }
 178
 179 /* Reset Timers */
 180 void
 181 GameSession::start_timers()
 182 {
 183   time_left.start(level->timelimit);
 184   Ticks::pause_init();
 185 }
 186
 187 void
 188 GameSession::on_escape_press()
 189 {
 190   if(currentsector->player->is_dying() || end_sequence != NO_ENDSEQUENCE)
 191     return;   // don't let the player open the menu, when he is dying
 192
 193   if(mode == ST_GL_TEST) {
 194     exit_status = ES_LEVEL_ABORT;
 195   } else if (!Menu::current()) {
 196     Menu::set_current(game_menu);
 197     game_menu->set_active_item(MNID_CONTINUE);
 198     Ticks::pause_start();
 199     game_pause = true;
 200   } else {
 201     Ticks::pause_stop();
 202     game_pause = false;
 203   }
 204 }
 205
 206 void
 207 GameSession::process_events()
 208 {
 209   Player& tux = *currentsector->player;
 210   main_controller->update();
 211
 212   // end of pause mode?
 213   if(!Menu::current() && game_pause) {
 214     game_pause = false;
 215     Ticks::pause_stop();
 216   }
 217
 218   if (end_sequence != NO_ENDSEQUENCE) {
 219     if(end_sequence_controller == 0) {
 220       end_sequence_controller = new CodeController();
 221       tux.set_controller(end_sequence_controller);
 222     }
 223
 224     end_sequence_controller->press(Controller::RIGHT);
 225
 226     if (int(last_x_pos) == int(tux.get_pos().x))
 227       end_sequence_controller->press(Controller::JUMP);
 228     last_x_pos = tux.get_pos().x;
 229   }
 230
 231   main_controller->update();
 232   SDL_Event event;
 233   while (SDL_PollEvent(&event)) {
 234     /* Check for menu-events, if the menu is shown */
 235     if (Menu::current())
 236       Menu::current()->event(event);
 237     main_controller->process_event(event);
 238     if(event.type == SDL_QUIT)
 239       throw std::runtime_error("Received window close");
 240   }
 241 }
 242
 243 void
 244 GameSession::try_cheats()
 245 {
 246   Player& tux = *currentsector->player;
 247
 248   // Cheating words (the goal of this is really for debugging,
 249   // but could be used for some cheating, nothing wrong with that)
 250   if(main_controller->check_cheatcode("grow")) {
 251     tux.set_bonus(GROWUP_BONUS, false);
 252     last_keys.clear();
 253   }
 254   if(main_controller->check_cheatcode("fire")) {
 255     tux.set_bonus(FIRE_BONUS, false);
 256     last_keys.clear();
 257   }
 258   if(main_controller->check_cheatcode("ice")) {
 259     tux.set_bonus(ICE_BONUS, false);
 260     last_keys.clear();
 261   }
 262   if(main_controller->check_cheatcode("lifeup")) {
 263     player_status.lives++;
 264     last_keys.clear();
 265   }
 266   if(main_controller->check_cheatcode("lifedown")) {
 267     player_status.lives--;
 268     last_keys.clear();
 269   }
 270   if(main_controller->check_cheatcode("grease")) {
 271     tux.physic.set_velocity_x(tux.physic.get_velocity_x()*3);
 272     last_keys.clear();
 273   }
 274   if(main_controller->check_cheatcode("invincible")) {
 275     // be invincle for the rest of the level
 276     tux.invincible_timer.start(10000);
 277     last_keys.clear();
 278   }
 279   if(main_controller->check_cheatcode("shrink")) {
 280     // remove powerups
 281     tux.kill(tux.SHRINK);
 282     last_keys.clear();
 283   }
 284   if(main_controller->check_cheatcode("kill")) {
 285     // kill Tux, but without losing a life
 286     player_status.lives++;
 287     tux.kill(tux.KILL);
 288     last_keys.clear();
 289   }
 290 #if 0
 291   if(main_controller->check_cheatcode("grid")) {
 292     // toggle debug grid
 293     debug_grid = !debug_grid;
 294     last_keys.clear();
 295   }
 296 #endif
 297   if(main_controller->check_cheatcode("hover")) {
 298     // toggle hover ability on/off
 299     tux.enable_hover = !tux.enable_hover;
 300     last_keys.clear();
 301   }
 302   if(main_controller->check_cheatcode("gotoend")) {
 303     // goes to the end of the level
 304     tux.move(Vector(
 305           (currentsector->solids->get_width()*32) - (SCREEN_WIDTH*2), 0));
 306     currentsector->camera->reset(
 307         Vector(tux.get_pos().x, tux.get_pos().y));
 308     last_keys.clear();
 309   }
 310   if(main_controller->check_cheatcode("finish")) {
 311     // finish current sector
 312     exit_status = ES_LEVEL_FINISHED;
 313     // don't add points to stats though...
 314   }
 315   // temporary to help player's choosing a flapping
 316   if(main_controller->check_cheatcode("marek")) {
 317     tux.flapping_mode = Player::MAREK_FLAP;
 318     last_keys.clear();
 319   }
 320   if(main_controller->check_cheatcode("ricardo")) {
 321     tux.flapping_mode = Player::RICARDO_FLAP;
 322     last_keys.clear();
 323   }
 324   if(main_controller->check_cheatcode("ryan")) {
 325     tux.flapping_mode = Player::RYAN_FLAP;
 326     last_keys.clear();
 327   }
 328 }
 329
 330 void
 331 GameSession::check_end_conditions()
 332 {
 333   Player* tux = currentsector->player;
 334
 335   /* End of level? */
 336   if(end_sequence && endsequence_timer.check()) {
 337     exit_status = ES_LEVEL_FINISHED;
 338     return;
 339   } else if (!end_sequence && tux->is_dead()) {
 340     if (player_status.lives < 0) { // No more lives!?
 341       exit_status = ES_GAME_OVER;
 342     } else { // Still has lives, so reset Tux to the levelstart
 343       restart_level();
 344     }
 345
 346     return;
 347   }
 348 }
 349
 350 void
 351 GameSession::action(float elapsed_time)
 352 {
 353   // handle controller
 354   if(main_controller->pressed(Controller::PAUSE_MENU))
 355     on_escape_press();
 356
 357   // advance timers
 358   if(!currentsector->player->growing_timer.started()) {
 359     // Update Tux and the World
 360     currentsector->action(elapsed_time);
 361   }
 362
 363   // respawning in new sector?
 364   if(newsector != "" && newspawnpoint != "") {
 365     Sector* sector = level->get_sector(newsector);
 366     if(sector == 0) {
 367       std::cerr << "Sector '" << newsector << "' not found.\n";
 368     }
 369     sector->activate(newspawnpoint);
 370     sector->play_music(LEVEL_MUSIC);
 371     currentsector = sector;
 372     newsector = "";
 373     newspawnpoint = "";
 374   }
 375 }
 376
 377 void
 378 GameSession::draw()
 379 {
 380   currentsector->draw(*context);
 381   drawstatus(*context);
 382
 383   if(game_pause)
 384     draw_pause();
 385
 386   if(Menu::current()) {
 387     Menu::current()->draw(*context);
 388     mouse_cursor->draw(*context);
 389   }
 390
 391   context->do_drawing();
 392 }
 393
 394 void
 395 GameSession::draw_pause()
 396 {
 397   int x = SCREEN_HEIGHT / 20;
 398   for(int i = 0; i < x; ++i) {
 399     context->draw_filled_rect(
 400         Vector(i % 2 ? (pause_menu_frame * i)%SCREEN_WIDTH :
 401           -((pause_menu_frame * i)%SCREEN_WIDTH)
 402           ,(i*20+pause_menu_frame)%SCREEN_HEIGHT),
 403         Vector(SCREEN_WIDTH,10),
 404         Color(20,20,20, rand() % 20 + 1), LAYER_FOREGROUND1+1);
 405   }
 406
 407   context->draw_filled_rect(
 408       Vector(0,0), Vector(SCREEN_WIDTH, SCREEN_HEIGHT),
 409       Color(rand() % 50, rand() % 50, rand() % 50, 128), LAYER_FOREGROUND1);
 410 #if 0
 411   context->draw_text(blue_text, _("PAUSE - Press 'P' To Play"),
 412       Vector(SCREEN_WIDTH/2, 230), CENTER_ALLIGN, LAYER_FOREGROUND1+2);
 413
 414   const char* str1 = _("Playing: ");
 415   const char* str2 = level->get_name().c_str();
 416
 417   context->draw_text(blue_text, str1,
 418       Vector((SCREEN_WIDTH - (blue_text->get_text_width(str1) + white_text->get_text_width(str2)))/2, 340),
 419       LEFT_ALLIGN, LAYER_FOREGROUND1+2);
 420   context->draw_text(white_text, str2,
 421       Vector(((SCREEN_WIDTH - (blue_text->get_text_width(str1) + white_text->get_text_width(str2)))/2)+blue_text->get_text_width(str1), 340),
 422       LEFT_ALLIGN, LAYER_FOREGROUND1+2);
 423 #endif
 424 }
 425
 426 void
 427 GameSession::process_menu()
 428 {
 429   Menu* menu = Menu::current();
 430   if(menu) {
 431     menu->action();
 432
 433     if(menu == game_menu) {
 434       switch (game_menu->check()) {
 435         case MNID_CONTINUE:
 436           Menu::set_current(0);
 437           break;
 438         case MNID_ABORTLEVEL:
 439           Menu::set_current(0);
 440           exit_status = ES_LEVEL_ABORT;
 441           break;
 442       }
 443     } else if(menu == options_menu) {
 444       process_options_menu();
 445     } else if(menu == load_game_menu ) {
 446       process_load_game_menu();
 447     }
 448   }
 449 }
 450
 451
 452 GameSession::ExitStatus
 453 GameSession::run()
 454 {
 455   Menu::set_current(0);
 456   current_ = this;
 457
 458   int fps_cnt = 0;
 459   double fps_nextframe_ticks; // fps regulating code
 460
 461   // Eat unneeded events
 462   SDL_Event event;
 463   while(SDL_PollEvent(&event))
 464   {}
 465
 466   draw();
 467
 468   Uint32 lastticks = SDL_GetTicks();
 469   fps_ticks = SDL_GetTicks();
 470   fps_nextframe_ticks = SDL_GetTicks(); // fps regulating code
 471
 472   while (exit_status == ES_NONE) {
 473     Uint32 ticks = SDL_GetTicks();
 474     float elapsed_time = float(ticks - lastticks) / 1000.;
 475     if(!game_pause)
 476       global_time += elapsed_time;
 477     lastticks = ticks;
 478
 479     // 40fps is minimum
 480     if(elapsed_time > 0.025){
 481       elapsed_time = 0.025;
 482     }
 483
 484     // fps regualting code
 485     const double wantedFps= 60.0; // set to 60 by now
 486     while (fps_nextframe_ticks > SDL_GetTicks()){
 487             /* just wait */
 488             // If we really have to wait long, then do an imprecise SDL_Delay()
 489             if (fps_nextframe_ticks - SDL_GetTicks() > 15){
 490                 SDL_Delay(5);
 491             }
 492
 493     }
 494     float diff = SDL_GetTicks() - fps_nextframe_ticks;
 495     if (diff > 5.0)
 496         fps_nextframe_ticks = SDL_GetTicks() + (1000.0 / wantedFps); // sets the ticks that must have elapsed
 497     else
 498         fps_nextframe_ticks += 1000.0 / wantedFps; // sets the ticks that must have elapsed
 499                                                // in order for the next frame to start.
 500
 501     process_events();
 502     process_menu();
 503
 504     // Update the world state and all objects in the world
 505     // Do that with a constante time-delta so that the game will run
 506     // determistic and not different on different machines
 507     if(!game_pause && !Menu::current())
 508     {
 509       // Update the world
 510       check_end_conditions();
 511       if (end_sequence == ENDSEQUENCE_RUNNING)
 512         action(elapsed_time/2);
 513       else if(end_sequence == NO_ENDSEQUENCE)
 514         action(elapsed_time);
 515     }
 516     else
 517     {
 518       ++pause_menu_frame;
 519       SDL_Delay(50);
 520     }
 521
 522     draw();
 523
 524     /* Time stops in pause mode */
 525     if(game_pause || Menu::current())
 526     {
 527       continue;
 528     }
 529
 530     //frame_rate.update();
 531
 532     /* Handle time: */
 533     if (time_left.check() && !end_sequence)
 534       currentsector->player->kill(Player::KILL);
 535
 536     /* Handle music: */
 537     if (currentsector->player->invincible_timer.started() && !end_sequence)
 538     {
 539       currentsector->play_music(HERRING_MUSIC);
 540     }
 541     /* or just normal music? */
 542     else if(currentsector->get_music_type() != LEVEL_MUSIC && !end_sequence)
 543     {
 544       currentsector->play_music(LEVEL_MUSIC);
 545     }
 546
 547     /* Calculate frames per second */
 548     if(config->show_fps)
 549     {
 550       ++fps_cnt;
 551
 552       if(SDL_GetTicks() - fps_ticks >= 500)
 553       {
 554         fps_fps = (float) fps_cnt / .5;
 555         fps_cnt = 0;
 556         fps_ticks = SDL_GetTicks();
 557       }
 558     }
 559   }
 560
 561   // just in case
 562   main_controller->reset();
 563   return exit_status;
 564 }
 565
 566 void
 567 GameSession::respawn(const std::string& sector, const std::string& spawnpoint)
 568 {
 569   newsector = sector;
 570   newspawnpoint = spawnpoint;
 571 }
 572
 573 void
 574 GameSession::set_reset_point(const std::string& sector, const Vector& pos)
 575 {
 576   reset_sector = sector;
 577   reset_pos = pos;
 578 }
 579
 580 void
 581 GameSession::display_info_box(const std::string& text)
 582 {
 583   InfoBox* box = new InfoBox(text);
 584
 585   bool running = true;
 586   while(running)  {
 587
 588     main_controller->update();
 589     SDL_Event event;
 590     while (SDL_PollEvent(&event)) {
 591       main_controller->process_event(event);
 592       if(event.type == SDL_QUIT)
 593         throw std::runtime_error("Received window close event");
 594     }
 595
 596     if(main_controller->pressed(Controller::JUMP)
 597         || main_controller->pressed(Controller::ACTION)
 598         || main_controller->pressed(Controller::PAUSE_MENU)
 599         || main_controller->pressed(Controller::MENU_SELECT))
 600       running = false;
 601     box->draw(*context);
 602     draw();
 603   }
 604
 605   delete box;
 606 }
 607
 608 void
 609 GameSession::start_sequence(const std::string& sequencename)
 610 {
 611   if(sequencename == "endsequence" || sequencename == "fireworks") {
 612     if(end_sequence)
 613       return;
 614
 615     end_sequence = ENDSEQUENCE_RUNNING;
 616     endsequence_timer.start(7.0); // 7 seconds until we finish the map
 617     last_x_pos = -1;
 618     sound_manager->play_music(level_end_song, 0);
 619     currentsector->player->invincible_timer.start(7.0);
 620
 621     // add left time to stats
 622     global_stats.set_points(TIME_NEEDED_STAT,
 623         int(time_left.get_period() - time_left.get_timeleft()));
 624
 625     if(sequencename == "fireworks") {
 626       currentsector->add_object(new Fireworks());
 627     }
 628   } else if(sequencename == "stoptux") {
 629     end_sequence =  ENDSEQUENCE_WAITING;
 630   } else {
 631     std::cout << "Unknown sequence '" << sequencename << "'.\n";
 632   }
 633 }
 634
 635 /* (Status): */
 636 void
 637 GameSession::drawstatus(DrawingContext& context)
 638 {
 639   char str[60];
 640
 641   snprintf(str, 60, " %d", global_stats.get_points(SCORE_STAT));
 642   context.draw_text(white_text, _("SCORE"), Vector(0, 0), LEFT_ALLIGN, LAYER_FOREGROUND1);
 643   context.draw_text(gold_text, str, Vector(96, 0), LEFT_ALLIGN, LAYER_FOREGROUND1);
 644
 645   if(mode == ST_GL_TEST) {
 646     context.draw_text(white_text, _("Press ESC To Return"), Vector(0,20),
 647                       LEFT_ALLIGN, LAYER_FOREGROUND1);
 648   }
 649
 650   if(time_left.get_timeleft() < 0) {
 651     context.draw_text(white_text, _("TIME's UP"), Vector(SCREEN_WIDTH/2, 0),
 652         CENTER_ALLIGN, LAYER_FOREGROUND1);
 653   } else if (time_left.get_timeleft() > TIME_WARNING
 654       || int(global_time * 2.5) % 2) {
 655     sprintf(str, " %d", int(time_left.get_timeleft()));
 656     context.draw_text(white_text, _("TIME"),
 657         Vector(SCREEN_WIDTH/2, 0), CENTER_ALLIGN, LAYER_FOREGROUND1);
 658     context.draw_text(gold_text, str,
 659         Vector(SCREEN_WIDTH/2 + 4*16, 0), CENTER_ALLIGN, LAYER_FOREGROUND1);
 660   }
 661
 662   sprintf(str, " %d", player_status.coins);
 663   context.draw_text(white_text, _("COINS"),
 664       Vector(SCREEN_WIDTH - white_text->get_text_width(_("COINS"))-white_text->get_text_width("   99"), 0),
 665         LEFT_ALLIGN, LAYER_FOREGROUND1);
 666   context.draw_text(gold_text, str,
 667       Vector(SCREEN_WIDTH - gold_text->get_text_width(" 99"), 0),LEFT_ALLIGN, LAYER_FOREGROUND1);
 668
 669   if (player_status.lives >= 5)
 670     {
 671       sprintf(str, "%dx", player_status.lives);
 672       float x = SCREEN_WIDTH - gold_text->get_text_width(str) - tux_life->w;
 673       context.draw_text(gold_text, str, Vector(x, 20), LEFT_ALLIGN, LAYER_FOREGROUND1);
 674       context.draw_surface(tux_life, Vector(SCREEN_WIDTH - 16, 20),
 675           LAYER_FOREGROUND1);
 676     }
 677   else
 678     {
 679       for(int i= 0; i < player_status.lives; ++i)
 680         context.draw_surface(tux_life,
 681             Vector(SCREEN_WIDTH - tux_life->w*4 +(tux_life->w*i), 20),
 682             LAYER_FOREGROUND1);
 683     }
 684
 685   context.draw_text(white_text, _("LIVES"),
 686       Vector(SCREEN_WIDTH - white_text->get_text_width(_("LIVES")) - white_text->get_text_width("   99"), 20),
 687       LEFT_ALLIGN, LAYER_FOREGROUND1);
 688
 689   if(config->show_fps) {
 690     sprintf(str, "%2.1f", fps_fps);
 691     context.draw_text(white_text, "FPS",
 692                       Vector(SCREEN_WIDTH -
 693                              white_text->get_text_width("FPS     "), 40),
 694                       LEFT_ALLIGN, LAYER_FOREGROUND1);
 695     context.draw_text(gold_text, str,
 696                       Vector(SCREEN_WIDTH-4*16, 40),
 697                       LEFT_ALLIGN, LAYER_FOREGROUND1);
 698   }
 699 }
 700
 701 void
 702 GameSession::drawresultscreen()
 703 {
 704   char str[80];
 705
 706   DrawingContext context;
 707   for(Sector::GameObjects::iterator i = currentsector->gameobjects.begin();
 708       i != currentsector->gameobjects.end(); ++i) {
 709     Background* background = dynamic_cast<Background*> (*i);
 710     if(background) {
 711       background->draw(context);
 712     }
 713   }
 714
 715   context.draw_text(blue_text, _("Result:"), Vector(SCREEN_WIDTH/2, 200),
 716       CENTER_ALLIGN, LAYER_FOREGROUND1);
 717
 718   sprintf(str, _("SCORE: %d"), global_stats.get_points(SCORE_STAT));
 719   context.draw_text(gold_text, str, Vector(SCREEN_WIDTH/2, 224), CENTER_ALLIGN, LAYER_FOREGROUND1);
 720
 721   sprintf(str, _("COINS: %d"), player_status.coins);
 722   context.draw_text(gold_text, str, Vector(SCREEN_WIDTH/2, 256), CENTER_ALLIGN, LAYER_FOREGROUND1);
 723
 724   context.do_drawing();
 725
 726   SDL_Event event;
 727   wait_for_event(event,2000,5000,true);
 728 }
 729
 730 std::string slotinfo(int slot)
 731 {
 732   std::string tmp;
 733   std::string slotfile;
 734   std::string title;
 735   std::stringstream stream;
 736   stream << slot;
 737   slotfile = user_dir + "/save/slot" + stream.str() + ".stsg";
 738
 739   try {
 740     lisp::Parser parser;
 741     std::auto_ptr<lisp::Lisp> root (parser.parse(slotfile));
 742
 743     const lisp::Lisp* savegame = root->get_lisp("supertux-savegame");
 744     if(!savegame)
 745       throw std::runtime_error("file is not a supertux-savegame.");
 746
 747     savegame->get("title", title);
 748   } catch(std::exception& e) {
 749     return std::string(_("Slot")) + " " + stream.str() + " - " +
 750       std::string(_("Free"));
 751   }
 752
 753   return std::string("Slot ") + stream.str() + " - " + title;
 754 }
 755
 756 bool process_load_game_menu()
 757 {
 758   int slot = load_game_menu->check();
 759
 760   if(slot != -1 && load_game_menu->get_item_by_id(slot).kind == MN_ACTION)
 761     {
 762       std::stringstream stream;
 763       stream << slot;
 764       std::string slotfile = user_dir + "/save/slot" + stream.str() + ".stsg";
 765
 766       fadeout(256);
 767       DrawingContext context;
 768       context.draw_text(white_text, "Loading...",
 769                         Vector(SCREEN_WIDTH/2, SCREEN_HEIGHT/2), CENTER_ALLIGN, LAYER_FOREGROUND1);
 770       context.do_drawing();
 771
 772       WorldMapNS::WorldMap worldmap;
 773
 774       worldmap.set_map_filename("/levels/world1/worldmap.stwm");
 775       // Load the game or at least set the savegame_file variable
 776       worldmap.loadgame(slotfile);
 777
 778       worldmap.display();
 779
 780       Menu::set_current(main_menu);
 781
 782       Ticks::pause_stop();
 783       return true;
 784     }
 785   else
 786     {
 787       return false;
 788     }
 789 }