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