src/gameloop.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
  22 #include <iostream>
  23 #include <sstream>
  24 #include <cassert>
  25 #include <cstdio>
  26 #include <cstdlib>
  27 #include <cmath>
  28 #include <cstring>
  29 #include <cerrno>
  30 #include <unistd.h>
  31 #include <ctime>
  32
  33 #include "SDL.h"
  34
  35 #ifndef WIN32
  36 #include <sys/types.h>
  37 #include <ctype.h>
  38 #endif
  39
  40 #include "defines.h"
  41 #include "app/globals.h"
  42 #include "gameloop.h"
  43 #include "video/screen.h"
  44 #include "app/setup.h"
  45 #include "high_scores.h"
  46 #include "gui/menu.h"
  47 #include "badguy.h"
  48 #include "sector.h"
  49 #include "special.h"
  50 #include "player.h"
  51 #include "level.h"
  52 #include "scene.h"
  53 #include "collision.h"
  54 #include "tile.h"
  55 #include "particlesystem.h"
  56 #include "resources.h"
  57 #include "background.h"
  58 #include "tilemap.h"
  59 #include "app/gettext.h"
  60 #include "worldmap.h"
  61 #include "intro.h"
  62 #include "misc.h"
  63 #include "camera.h"
  64 #include "statistics.h"
  65
  66 GameSession* GameSession::current_ = 0;
  67
  68 bool compare_last(std::string& haystack, std::string needle)
  69 {
  70 int haystack_size = haystack.size();
  71 int needle_size = needle.size();
  72
  73 if(haystack_size < needle_size)
  74   return false;
  75
  76 if(haystack.compare(haystack_size-needle_size, needle_size, needle) == 0)
  77   return true;
  78 return false;
  79 }
  80
  81 GameSession::GameSession(const std::string& levelname_, int mode, bool flip_level_, Statistics* statistics)
  82   : level(0), currentsector(0), st_gl_mode(mode),
  83     end_sequence(NO_ENDSEQUENCE), levelname(levelname_), flip_level(flip_level_),
  84     best_level_statistics(statistics)
  85 {
  86   current_ = this;
  87
  88   global_frame_counter = 0;
  89   game_pause = false;
  90   fps_fps = 0;
  91
  92   fps_timer.init(true);
  93   frame_timer.init(true);
  94   random_timer.init(true);
  95   frame_rate.set_fps(100);
  96
  97   context = new DrawingContext();
  98
  99   if(flip_levels_mode)
 100     flip_level = true;
 101
 102   restart_level();
 103 }
 104
 105 void
 106 GameSession::restart_level()
 107 {
 108   game_pause   = false;
 109   exit_status  = ES_NONE;
 110   end_sequence = NO_ENDSEQUENCE;
 111
 112   fps_timer.init(true);
 113   frame_timer.init(true);
 114   random_timer.init(true);
 115
 116   last_keys.clear();
 117
 118   Vector tux_pos = Vector(-1,-1);
 119   if (currentsector)
 120     { // Tux has lost a life, so we try to respawn him at the nearest reset point
 121       tux_pos = currentsector->player->base;
 122     }
 123
 124   delete level;
 125   currentsector = 0;
 126
 127   level = new Level;
 128   level->load(levelname);
 129   if(flip_level)
 130     level->do_vertical_flip();
 131
 132   currentsector = level->get_sector("main");
 133   if(!currentsector)
 134     Termination::abort("Level has no main sector.", "");
 135   currentsector->activate("main");
 136
 137   // Set Tux to the nearest reset point
 138   if(tux_pos.x != -1)
 139     {
 140     tux_pos = currentsector->get_best_spawn_point(tux_pos);
 141     currentsector->player->base.x = tux_pos.x;
 142     currentsector->player->base.y = tux_pos.y;
 143
 144     // has to reset camera on swapping
 145     currentsector->camera->reset(Vector(currentsector->player->base.x,
 146                                         currentsector->player->base.y));
 147     }
 148
 149   if (st_gl_mode != ST_GL_DEMO_GAME)
 150     {
 151       if(st_gl_mode == ST_GL_PLAY || st_gl_mode == ST_GL_LOAD_LEVEL_FILE)
 152         levelintro();
 153     }
 154
 155   global_stats.reset();
 156
 157   time_left.init(true);
 158   start_timers();
 159   currentsector->play_music(LEVEL_MUSIC);
 160 }
 161
 162 GameSession::~GameSession()
 163 {
 164   delete level;
 165   delete context;
 166 }
 167
 168 void
 169 GameSession::levelintro(void)
 170 {
 171   SoundManager::get()->halt_music();
 172
 173   char str[60];
 174
 175   DrawingContext context;
 176   currentsector->background->draw(context);
 177
 178   context.draw_text_center(gold_text, level->get_name(), Vector(0, 220),
 179       LAYER_FOREGROUND1);
 180
 181   sprintf(str, "TUX x %d", player_status.lives);
 182   context.draw_text_center(white_text, str, Vector(0, 240),
 183       LAYER_FOREGROUND1);
 184
 185   if(level->get_author().size())
 186     context.draw_text_center(white_small_text,
 187       std::string(_("by ")) + level->get_author(),
 188       Vector(0, 360), LAYER_FOREGROUND1);
 189
 190
 191   if(flip_level)
 192     context.draw_text_center(white_text,
 193       _("Level Vertically Flipped!"),
 194       Vector(0, 310), LAYER_FOREGROUND1);
 195
 196   if(best_level_statistics != NULL)
 197     best_level_statistics->draw_message_info(context, _("Best Level Statistics"));
 198
 199   context.do_drawing();
 200
 201   SDL_Event event;
 202   wait_for_event(event,1000,3000,true);
 203 }
 204
 205 /* Reset Timers */
 206 void
 207 GameSession::start_timers()
 208 {
 209   time_left.start(level->time_left*1000);
 210   Ticks::pause_init();
 211   frame_rate.start();
 212 }
 213
 214 void
 215 GameSession::on_escape_press()
 216 {
 217   if(currentsector->player->dying || end_sequence != NO_ENDSEQUENCE)
 218     return;   // don't let the player open the menu, when he is dying
 219
 220   if(game_pause)
 221     return;
 222
 223   if(st_gl_mode == ST_GL_TEST)
 224     {
 225       exit_status = ES_LEVEL_ABORT;
 226     }
 227   else if (!Menu::current())
 228     {
 229       /* Tell Tux that the keys are all down, otherwise
 230         it could have nasty bugs, like going allways to the right
 231         or whatever that key does */
 232       Player& tux = *(currentsector->player);
 233       tux.key_event((SDLKey)keymap.jump, UP);
 234       tux.key_event((SDLKey)keymap.duck, UP);
 235       tux.key_event((SDLKey)keymap.left, UP);
 236       tux.key_event((SDLKey)keymap.right, UP);
 237       tux.key_event((SDLKey)keymap.fire, UP);
 238
 239       Menu::set_current(game_menu);
 240       Ticks::pause_start();
 241     }
 242 }
 243
 244 void
 245 GameSession::process_events()
 246 {
 247   if (end_sequence != NO_ENDSEQUENCE)
 248     {
 249       Player& tux = *currentsector->player;
 250
 251       tux.input.fire  = UP;
 252       tux.input.left  = UP;
 253       tux.input.right = DOWN;
 254       tux.input.down  = UP;
 255
 256       if (int(last_x_pos) == int(tux.base.x))
 257         tux.input.up    = DOWN;
 258       else
 259         tux.input.up    = UP;
 260
 261       last_x_pos = tux.base.x;
 262
 263       SDL_Event event;
 264       while (SDL_PollEvent(&event))
 265         {
 266           /* Check for menu-events, if the menu is shown */
 267           if (Menu::current())
 268             {
 269               Menu::current()->event(event);
 270               if(!Menu::current())
 271               Ticks::pause_stop();
 272             }
 273
 274           switch(event.type)
 275             {
 276             case SDL_QUIT:        /* Quit event - quit: */
 277               Termination::abort("Received window close", "");
 278               break;
 279
 280             case SDL_KEYDOWN:     /* A keypress! */
 281               {
 282                 SDLKey key = event.key.keysym.sym;
 283
 284                 switch(key)
 285                   {
 286                   case SDLK_ESCAPE:    /* Escape: Open/Close the menu: */
 287                     on_escape_press();
 288                     break;
 289                   default:
 290                     break;
 291                   }
 292               }
 293
 294             case SDL_JOYBUTTONDOWN:
 295               if (event.jbutton.button == joystick_keymap.start_button)
 296                 on_escape_press();
 297               break;
 298             }
 299         }
 300     }
 301   else // normal mode
 302     {
 303       if(!Menu::current() && !game_pause)
 304         Ticks::pause_stop();
 305
 306       SDL_Event event;
 307       while (SDL_PollEvent(&event))
 308         {
 309           /* Check for menu-events, if the menu is shown */
 310           if (Menu::current())
 311             {
 312               Menu::current()->event(event);
 313               if(!Menu::current())
 314                 Ticks::pause_stop();
 315             }
 316           else
 317             {
 318               Player& tux = *currentsector->player;
 319
 320               switch(event.type)
 321                 {
 322                 case SDL_QUIT:        /* Quit event - quit: */
 323                   Termination::abort("Received window close", "");
 324                   break;
 325
 326                 case SDL_KEYDOWN:     /* A keypress! */
 327                   {
 328                     SDLKey key = event.key.keysym.sym;
 329
 330                     if(tux.key_event(key,DOWN))
 331                       break;
 332
 333                     switch(key)
 334                       {
 335                       case SDLK_ESCAPE:    /* Escape: Open/Close the menu: */
 336                         on_escape_press();
 337                         break;
 338                       default:
 339                         break;
 340                       }
 341                   }
 342                   break;
 343                 case SDL_KEYUP:      /* A keyrelease! */
 344                   {
 345                     SDLKey key = event.key.keysym.sym;
 346
 347                     if(tux.key_event(key, UP))
 348                       break;
 349
 350                     switch(key)
 351                       {
 352                       case SDLK_a:
 353                         if(debug_mode)
 354                         {
 355                           char buf[160];
 356                           snprintf(buf, sizeof(buf), "P: %4.1f,%4.1f",
 357                               tux.base.x, tux.base.y);
 358                           context->draw_text(white_text, buf,
 359                               Vector(0, screen->h - white_text->get_height()),
 360                               LAYER_FOREGROUND1);
 361                           context->do_drawing();
 362                           SDL_Delay(1000);
 363                         }
 364                         break;
 365                       case SDLK_p:
 366                         if(!Menu::current())
 367                           {
 368                             if(game_pause)
 369                               {
 370                                 game_pause = false;
 371                                 Ticks::pause_stop();
 372                               }
 373                             else
 374                               {
 375                                 game_pause = true;
 376                                 Ticks::pause_start();
 377                               }
 378                           }
 379                         break;
 380                       default:
 381                         break;
 382                       }
 383                   }
 384
 385                         /* Check if chacrater is ASCII */
 386                         char ch[2];
 387                         if((event.key.keysym.unicode & 0xFF80) == 0)
 388                           {
 389                           ch[0] = event.key.keysym.unicode & 0x7F;
 390                           ch[1] = '\0';
 391                           }
 392                         last_keys.append(ch);  // add to cheat keys
 393
 394                         // Cheating words (the goal of this is really for debugging,
 395                         // but could be used for some cheating, nothing wrong with that)
 396                         if(compare_last(last_keys, "grow"))
 397                           {
 398                           tux.grow(false);
 399                           last_keys.clear();
 400                           }
 401                         if(compare_last(last_keys, "fire"))
 402                           {
 403                           tux.grow(false);
 404                           tux.got_power = tux.FIRE_POWER;
 405                           last_keys.clear();
 406                           }
 407                         if(compare_last(last_keys, "ice"))
 408                           {
 409                           tux.grow(false);
 410                           tux.got_power = tux.ICE_POWER;
 411                           last_keys.clear();
 412                           }
 413                         if(compare_last(last_keys, "lifeup"))
 414                           {
 415                           player_status.lives++;
 416                           last_keys.clear();
 417                           // "lifeup" activates pause cause of the 'p'
 418                           // so work around to ignore it
 419                             if(game_pause)
 420                               {
 421                                 game_pause = false;
 422                                 Ticks::pause_stop();
 423                               }
 424                             else
 425                               {
 426                                 game_pause = true;
 427                                 Ticks::pause_start();
 428                               }
 429                           }
 430                         if(compare_last(last_keys, "lifedown"))
 431                           {
 432                           player_status.lives--;
 433                           last_keys.clear();
 434                           }
 435                         if(compare_last(last_keys, "invincible"))
 436                           {    // be invincle for the rest of the level
 437                           tux.invincible_timer.start(time_left.get_left());
 438                           last_keys.clear();
 439                           }
 440                                                                 if(compare_last(last_keys, "shrink"))
 441                           {    // remove powerups
 442                           tux.kill(tux.SHRINK);
 443                           last_keys.clear();
 444                           }
 445                                                                 if(compare_last(last_keys, "kill"))
 446                           {    // kill Tux
 447                           tux.kill(tux.KILL);
 448                           last_keys.clear();
 449                           }
 450                   break;
 451
 452                 case SDL_JOYAXISMOTION:
 453                   if (event.jaxis.axis == joystick_keymap.x_axis)
 454                     {
 455                       if (event.jaxis.value < -joystick_keymap.dead_zone)
 456                         {
 457                           tux.input.left  = DOWN;
 458                           tux.input.right = UP;
 459                         }
 460                       else if (event.jaxis.value > joystick_keymap.dead_zone)
 461                         {
 462                           tux.input.left  = UP;
 463                           tux.input.right = DOWN;
 464                         }
 465                       else
 466                         {
 467                           tux.input.left  = DOWN;
 468                           tux.input.right = DOWN;
 469                         }
 470                     }
 471                   else if (event.jaxis.axis == joystick_keymap.y_axis)
 472                     {
 473                       if (event.jaxis.value > joystick_keymap.dead_zone)
 474                         tux.input.down = DOWN;
 475                       else if (event.jaxis.value < -joystick_keymap.dead_zone)
 476                         tux.input.down = UP;
 477                       else
 478                         tux.input.down = UP;
 479                     }
 480                   break;
 481
 482                 case SDL_JOYHATMOTION:
 483                   if(event.jhat.value & SDL_HAT_UP) {
 484                     tux.input.up = DOWN;
 485                     tux.input.down = UP;
 486                   } else if(event.jhat.value & SDL_HAT_DOWN) {
 487                     tux.input.up = UP;
 488                     tux.input.down = DOWN;
 489                   } else if(event.jhat.value & SDL_HAT_LEFT) {
 490                     tux.input.left = DOWN;
 491                     tux.input.right = UP;
 492                   } else if(event.jhat.value & SDL_HAT_RIGHT) {
 493                     tux.input.left = UP;
 494                     tux.input.right = DOWN;
 495                   } else if(event.jhat.value == SDL_HAT_CENTERED) {
 496                     tux.input.left = UP;
 497                     tux.input.right = UP;
 498                     tux.input.up = UP;
 499                     tux.input.down = UP;
 500                   }
 501                   break;
 502
 503                 case SDL_JOYBUTTONDOWN:
 504                   if (event.jbutton.button == joystick_keymap.a_button)
 505                     tux.input.up = DOWN;
 506                   else if (event.jbutton.button == joystick_keymap.b_button)
 507                     tux.input.fire = DOWN;
 508                   else if (event.jbutton.button == joystick_keymap.start_button)
 509                     on_escape_press();
 510                   break;
 511                 case SDL_JOYBUTTONUP:
 512                   if (event.jbutton.button == joystick_keymap.a_button)
 513                     tux.input.up = UP;
 514                   else if (event.jbutton.button == joystick_keymap.b_button)
 515                     tux.input.fire = UP;
 516                   break;
 517
 518                 default:
 519                   break;
 520                 }  /* switch */
 521             }
 522         } /* while */
 523     }
 524 }
 525
 526 void
 527 GameSession::check_end_conditions()
 528 {
 529   Player* tux = currentsector->player;
 530
 531   /* End of level? */
 532   Tile* endtile = collision_goal(tux->base);
 533
 534   if(end_sequence && !endsequence_timer.check())
 535     {
 536       exit_status = ES_LEVEL_FINISHED;
 537       return;
 538     }
 539   else if(end_sequence == ENDSEQUENCE_RUNNING && endtile && endtile->data >= 1)
 540     {
 541       end_sequence = ENDSEQUENCE_WAITING;
 542     }
 543   else if(!end_sequence && endtile && endtile->data == 0)
 544     {
 545       end_sequence = ENDSEQUENCE_RUNNING;
 546       random_timer.start(200);  // start 1st firework
 547       last_x_pos = -1;
 548       SoundManager::get()->play_music(level_end_song, 0);
 549       endsequence_timer.start(7000); // 5 seconds until we finish the map
 550       tux->invincible_timer.start(7000); //FIXME: Implement a winning timer for the end sequence (with special winning animation etc.)
 551
 552       // add left time to stats
 553       global_stats.set_points(TIME_NEEDED_STAT, time_left.get_gone() / 1000);
 554     }
 555   else if (!end_sequence && tux->is_dead())
 556     {
 557       player_status.bonus = PlayerStatus::NO_BONUS;
 558
 559       if (player_status.lives < 0)
 560         { // No more lives!?
 561           exit_status = ES_GAME_OVER;
 562         }
 563       else
 564         { // Still has lives, so reset Tux to the levelstart
 565           restart_level();
 566         }
 567
 568       return;
 569     }
 570 }
 571
 572 void
 573 GameSession::action(double frame_ratio)
 574 {
 575   if (exit_status == ES_NONE && !currentsector->player->growing_timer.check())
 576     {
 577       // Update Tux and the World
 578       currentsector->action(frame_ratio);
 579     }
 580
 581   // respawning in new sector?
 582   if(newsector != "" && newspawnpoint != "") {
 583     Sector* sector = level->get_sector(newsector);
 584     currentsector = sector;
 585     currentsector->activate(newspawnpoint);
 586     currentsector->play_music(LEVEL_MUSIC);
 587     newsector = newspawnpoint = "";
 588   }
 589
 590   // on end sequence make a few fireworks
 591   if(end_sequence == ENDSEQUENCE_RUNNING && !random_timer.check())
 592     {
 593     Vector epicenter = currentsector->camera->get_translation();
 594     epicenter.x += screen->w * ((float)rand() / RAND_MAX);
 595     epicenter.y += (screen->h/2) * ((float)rand() / RAND_MAX);
 596
 597     int red = rand() % 255;  // calculate firework color
 598     int green = rand() % red;
 599     currentsector->add_particles(epicenter, Vector(1.4,1.4), Vector(0,0),
 600                                  45, Color(red,green,0), 3, 1300);
 601
 602     SoundManager::get()->play_sound(IDToSound(SND_FIREWORKS));
 603     random_timer.start(rand() % 400 + 600);  // next firework
 604     }
 605 }
 606
 607 void
 608 GameSession::draw()
 609 {
 610   currentsector->draw(*context);
 611   drawstatus(*context);
 612
 613   if(game_pause)
 614     {
 615       int x = screen->h / 20;
 616       for(int i = 0; i < x; ++i)
 617         {
 618           context->draw_filled_rect(
 619               Vector(i % 2 ? (pause_menu_frame * i)%screen->w :
 620                 -((pause_menu_frame * i)%screen->w)
 621                 ,(i*20+pause_menu_frame)%screen->h),
 622               Vector(screen->w,10),
 623               Color(20,20,20, rand() % 20 + 1), LAYER_FOREGROUND1+1);
 624         }
 625       context->draw_filled_rect(
 626           Vector(0,0), Vector(screen->w, screen->h),
 627           Color(rand() % 50, rand() % 50, rand() % 50, 128), LAYER_FOREGROUND1);
 628       context->draw_text_center(blue_text, _("PAUSE - Press 'P' To Play"),
 629           Vector(0, 230), LAYER_FOREGROUND1+2);
 630
 631       char str1[60];
 632       char str2[124];
 633       sprintf(str1, _("Playing: "));
 634       sprintf(str2, level->name.c_str());
 635
 636       context->draw_text(blue_text, str1,
 637           Vector((screen->w - (blue_text->get_text_width(str1) + white_text->get_text_width(str2)))/2, 340),
 638           LAYER_FOREGROUND1+2);
 639       context->draw_text(white_text, str2,
 640           Vector(((screen->w - (blue_text->get_text_width(str1) + white_text->get_text_width(str2)))/2)+blue_text->get_text_width(str1), 340),
 641           LAYER_FOREGROUND1+2);
 642     }
 643
 644   if(Menu::current())
 645     {
 646       Menu::current()->draw(*context);
 647       mouse_cursor->draw(*context);
 648     }
 649
 650   context->do_drawing();
 651 }
 652
 653 void
 654 GameSession::process_menu()
 655 {
 656   Menu* menu = Menu::current();
 657   if(menu)
 658     {
 659       menu->action();
 660
 661       if(menu == game_menu)
 662         {
 663           switch (game_menu->check())
 664             {
 665             case MNID_CONTINUE:
 666               Ticks::pause_stop();
 667               break;
 668             case MNID_ABORTLEVEL:
 669               Ticks::pause_stop();
 670               exit_status = ES_LEVEL_ABORT;
 671               break;
 672             }
 673         }
 674       else if(menu == options_menu)
 675         {
 676           process_options_menu();
 677         }
 678       else if(menu == load_game_menu )
 679         {
 680           process_load_game_menu();
 681         }
 682     }
 683 }
 684
 685 GameSession::ExitStatus
 686 GameSession::run()
 687 {
 688   Menu::set_current(0);
 689   current_ = this;
 690
 691   int fps_cnt = 0;
 692
 693   frame_rate.start();
 694
 695   // Eat unneeded events
 696   SDL_Event event;
 697   while (SDL_PollEvent(&event)) {}
 698
 699   draw();
 700
 701   while (exit_status == ES_NONE)
 702     {
 703       /* Calculate the movement-factor */
 704       double frame_ratio = frame_rate.get();
 705
 706       if(!frame_timer.check())
 707         {
 708           frame_timer.start(25);
 709           ++global_frame_counter;
 710         }
 711
 712       /* Handle events: */
 713       currentsector->player->input.old_fire
 714         = currentsector->player->input.fire;
 715
 716       process_events();
 717       process_menu();
 718
 719       // Update the world state and all objects in the world
 720       // Do that with a constante time-delta so that the game will run
 721       // determistic and not different on different machines
 722       if(!game_pause && !Menu::current())
 723         {
 724           // Update the world
 725           check_end_conditions();
 726           if (end_sequence == ENDSEQUENCE_RUNNING)
 727              action(frame_ratio/2);
 728           else if(end_sequence == NO_ENDSEQUENCE)
 729              action(frame_ratio);
 730         }
 731       else
 732         {
 733           ++pause_menu_frame;
 734           SDL_Delay(50);
 735         }
 736
 737       draw();
 738
 739       /* Time stops in pause mode */
 740       if(game_pause || Menu::current())
 741         {
 742           continue;
 743         }
 744
 745       frame_rate.update();
 746
 747       /* Handle time: */
 748       if (!time_left.check() && currentsector->player->dying == DYING_NOT
 749               && !end_sequence)
 750         currentsector->player->kill(Player::KILL);
 751
 752       /* Handle music: */
 753       if(currentsector->player->invincible_timer.check() && !end_sequence)
 754         {
 755           currentsector->play_music(HERRING_MUSIC);
 756         }
 757       /* are we low on time ? */
 758       else if (time_left.get_left() < TIME_WARNING && !end_sequence)
 759         {
 760           currentsector->play_music(HURRYUP_MUSIC);
 761         }
 762       /* or just normal music? */
 763       else if(currentsector->get_music_type() != LEVEL_MUSIC && !end_sequence)
 764         {
 765           currentsector->play_music(LEVEL_MUSIC);
 766         }
 767
 768       /* Calculate frames per second */
 769       if(show_fps)
 770         {
 771           ++fps_cnt;
 772           fps_fps = (1000.0 / (float)fps_timer.get_gone()) * (float)fps_cnt;
 773
 774           if(!fps_timer.check())
 775             {
 776               fps_timer.start(1000);
 777               fps_cnt = 0;
 778             }
 779         }
 780     }
 781
 782   return exit_status;
 783 }
 784
 785 void
 786 GameSession::respawn(const std::string& sector, const std::string& spawnpoint)
 787 {
 788   newsector = sector;
 789   newspawnpoint = spawnpoint;
 790 }
 791
 792 /* Bounce a brick: */
 793 void bumpbrick(float x, float y)
 794 {
 795   Sector::current()->add_bouncy_brick(Vector(((int)(x + 1) / 32) * 32,
 796                          (int)(y / 32) * 32));
 797
 798   SoundManager::get()->play_sound(IDToSound(SND_BRICK), Vector(x, y), Sector::current()->player->get_pos());
 799 }
 800
 801 /* (Status): */
 802 void
 803 GameSession::drawstatus(DrawingContext& context)
 804 {
 805   char str[60];
 806
 807   snprintf(str, 60, " %d", global_stats.get_points(SCORE_STAT));
 808   context.draw_text(white_text, _("SCORE"), Vector(0, 0), LAYER_FOREGROUND1);
 809   context.draw_text(gold_text, str, Vector(96, 0), LAYER_FOREGROUND1);
 810
 811   if(st_gl_mode == ST_GL_TEST)
 812     {
 813       context.draw_text(white_text, _("Press ESC To Return"), Vector(0,20),
 814           LAYER_FOREGROUND1);
 815     }
 816
 817   if(!time_left.check()) {
 818     context.draw_text_center(white_text, _("TIME's UP"), Vector(0, 0),
 819         LAYER_FOREGROUND1);
 820   } else if (time_left.get_left() > TIME_WARNING || (global_frame_counter % 10) < 5) {
 821     sprintf(str, " %d", time_left.get_left() / 1000 );
 822     context.draw_text_center(white_text, _("TIME"),
 823         Vector(0, 0), LAYER_FOREGROUND1);
 824     context.draw_text_center(gold_text, str,
 825         Vector(4*16, 0), LAYER_FOREGROUND1);
 826   }
 827
 828   sprintf(str, " %d", player_status.distros);
 829   context.draw_text(white_text, _("COINS"),
 830       Vector(screen->w - white_text->get_text_width(_("COINS"))-white_text->get_text_width("   99"), 0),
 831         LAYER_FOREGROUND1);
 832   context.draw_text(gold_text, str,
 833       Vector(screen->w - gold_text->get_text_width(" 99"), 0),LAYER_FOREGROUND1);
 834
 835   if (player_status.lives >= 5)
 836     {
 837       sprintf(str, "%dx", player_status.lives);
 838       float x = screen->w - gold_text->get_text_width(str) - tux_life->w;
 839       context.draw_text(gold_text, str, Vector(x, 20), LAYER_FOREGROUND1);
 840       context.draw_surface(tux_life, Vector(screen->w - 16, 20),
 841           LAYER_FOREGROUND1);
 842     }
 843   else
 844     {
 845       for(int i= 0; i < player_status.lives; ++i)
 846         context.draw_surface(tux_life,
 847             Vector(screen->w - tux_life->w*4 +(tux_life->w*i), 20),
 848             LAYER_FOREGROUND1);
 849     }
 850
 851   context.draw_text(white_text, _("LIVES"),
 852       Vector(screen->w - white_text->get_text_width(_("LIVES")) - white_text->get_text_width("   99"), 20),
 853       LAYER_FOREGROUND1);
 854
 855   if(show_fps)
 856     {
 857       sprintf(str, "%2.1f", fps_fps);
 858       context.draw_text(white_text, "FPS",
 859           Vector(screen->w - white_text->get_text_width("FPS     "), 40),
 860           LAYER_FOREGROUND1);
 861       context.draw_text(gold_text, str,
 862           Vector(screen->w-4*16, 40), LAYER_FOREGROUND1);
 863     }
 864 }
 865
 866 void
 867 GameSession::drawresultscreen(void)
 868 {
 869   char str[80];
 870
 871   DrawingContext context;
 872   currentsector->background->draw(context);
 873
 874   context.draw_text_center(blue_text, _("Result:"), Vector(0, 200),
 875       LAYER_FOREGROUND1);
 876
 877   sprintf(str, _("SCORE: %d"), global_stats.get_points(SCORE_STAT));
 878   context.draw_text_center(gold_text, str, Vector(0, 224), LAYER_FOREGROUND1);
 879
 880   sprintf(str, _("COINS: %d"), player_status.distros);
 881   context.draw_text_center(gold_text, str, Vector(0, 256), LAYER_FOREGROUND1);
 882
 883   context.do_drawing();
 884
 885   SDL_Event event;
 886   wait_for_event(event,2000,5000,true);
 887 }
 888
 889 std::string slotinfo(int slot)
 890 {
 891   std::string tmp;
 892   std::string slotfile;
 893   std::string title;
 894   std::stringstream stream;
 895   stream << slot;
 896   slotfile = st_save_dir + "/slot" + stream.str() + ".stsg";
 897
 898   lisp_object_t* savegame = lisp_read_from_file(slotfile.c_str());
 899   if (savegame)
 900     {
 901       LispReader reader(lisp_cdr(savegame));
 902       reader.read_string("title", title);
 903       lisp_free(savegame);
 904     }
 905
 906   if (access(slotfile.c_str(), F_OK) == 0)
 907     {
 908       if (!title.empty())
 909         tmp = "Slot " + stream.str() + " - " + title;
 910       else
 911         tmp = "Slot " + stream.str() + " - Savegame";
 912     }
 913   else
 914     tmp = std::string(_("Slot")) + " " + stream.str() + " - " + std::string(_("Free"));
 915
 916   return tmp;
 917 }
 918
 919 bool process_load_game_menu()
 920 {
 921   int slot = load_game_menu->check();
 922
 923   if(slot != -1 && load_game_menu->get_item_by_id(slot).kind == MN_ACTION)
 924     {
 925       std::stringstream stream;
 926       stream << slot;
 927       std::string slotfile = st_save_dir + "/slot" + stream.str() + ".stsg";
 928
 929       if (access(slotfile.c_str(), F_OK) != 0)
 930         {
 931           draw_intro();
 932         }
 933
 934       // shrink_fade(Point((screen->w/2),(screen->h/2)), 1000);
 935       fadeout(256);
 936
 937       DrawingContext context;
 938       context.draw_text_center(white_text, "Loading...",
 939                                Vector(0, screen->h/2), LAYER_FOREGROUND1);
 940       context.do_drawing();
 941
 942       WorldMapNS::WorldMap worldmap;
 943
 944       // Load the game or at least set the savegame_file variable
 945       worldmap.loadgame(slotfile);
 946
 947       worldmap.display();
 948
 949       Menu::set_current(main_menu);
 950
 951       Ticks::pause_stop();
 952       return true;
 953     }
 954   else
 955     {
 956       return false;
 957     }
 958 }